| /* |
| * DHD Bus Module for SDIO |
| * |
| * Copyright (C) 2022, Broadcom. |
| * |
| * Unless you and Broadcom execute a separate written software license |
| * agreement governing use of this software, this software is licensed to you |
| * under the terms of the GNU General Public License version 2 (the "GPL"), |
| * available at http://www.broadcom.com/licenses/GPLv2.php, with the |
| * following added to such license: |
| * |
| * As a special exception, the copyright holders of this software give you |
| * permission to link this software with independent modules, and to copy and |
| * distribute the resulting executable under terms of your choice, provided that |
| * you also meet, for each linked independent module, the terms and conditions of |
| * the license of that module. An independent module is a module which is not |
| * derived from this software. The special exception does not apply to any |
| * modifications of the software. |
| * |
| * |
| * <<Broadcom-WL-IPTag/Open:>> |
| * |
| * $Id$ |
| */ |
| |
| #include <typedefs.h> |
| #include <osl.h> |
| #include <bcmsdh.h> |
| |
| #ifdef BCMEMBEDIMAGE |
| #include BCMEMBEDIMAGE |
| #endif /* BCMEMBEDIMAGE */ |
| |
| #include <bcmdefs.h> |
| #include <bcmutils.h> |
| #include <bcmendian.h> |
| #include <bcmdevs.h> |
| #include <bcmdevs_legacy.h> /* need to still support chips no longer in trunk firmware */ |
| |
| #include <siutils.h> |
| #include <hndpmu.h> |
| #include <hndsoc.h> |
| #include <bcmsdpcm.h> |
| #include <hnd_armtrap.h> |
| #include <hnd_cons.h> |
| #include <sbchipc.h> |
| #include <sbhnddma.h> |
| #if defined(DHD_SPROM) |
| #include <bcmsrom.h> |
| #endif /* defined(DHD_SPROM) */ |
| |
| #include <sdio.h> |
| #ifdef BCMSPI |
| #include <spid.h> |
| #endif /* BCMSPI */ |
| #include <sbsdio.h> |
| #include <sbsdpcmdev.h> |
| #include <bcmsdpcm.h> |
| #include <bcmsdbus.h> |
| |
| #include <ethernet.h> |
| #include <802.1d.h> |
| #include <802.11.h> |
| |
| #include <dngl_stats.h> |
| #include <dhd.h> |
| #include <dhd_bus.h> |
| #include <dhd_proto.h> |
| #include <dhd_dbg.h> |
| #include <dhdioctl.h> |
| #include <sdiovar.h> |
| |
| #ifdef PROP_TXSTATUS |
| #include <dhd_wlfc.h> |
| #endif |
| #ifdef DHDTCPACK_SUPPRESS |
| #include <dhd_ip.h> |
| #endif /* DHDTCPACK_SUPPRESS */ |
| |
| #ifdef BT_OVER_SDIO |
| #include <dhd_bt_interface.h> |
| #endif /* BT_OVER_SDIO */ |
| |
| #if defined(DEBUGGER) || defined(DHD_DSCOPE) |
| #include <debugger.h> |
| #endif /* DEBUGGER || DHD_DSCOPE */ |
| |
| bool dhd_mp_halting(dhd_pub_t *dhdp); |
| extern void bcmsdh_waitfor_iodrain(void *sdh); |
| extern void bcmsdh_reject_ioreqs(void *sdh, bool reject); |
| extern bool bcmsdh_fatal_error(void *sdh); |
| static int dhdsdio_suspend(void *context); |
| static int dhdsdio_resume(void *context); |
| |
| #ifndef DHDSDIO_MEM_DUMP_FNAME |
| #define DHDSDIO_MEM_DUMP_FNAME "mem_dump" |
| #endif |
| |
| #define QLEN (1024) /* bulk rx and tx queue lengths */ |
| #define FCHI (QLEN - 10) |
| #define FCLOW (FCHI / 2) |
| #define PRIOMASK 7 /* XXX FixMe: should come from elsewhere... |
| * MAXPRIO? PKTQ_MAX_PREC? WLC? Other? |
| */ |
| |
| #define TXRETRIES 2 /* # of retries for tx frames */ |
| #define READ_FRM_CNT_RETRIES 3 |
| #ifndef DHD_RXBOUND |
| #define DHD_RXBOUND 50 /* Default for max rx frames in one scheduling */ |
| #endif |
| |
| #ifndef DHD_TXBOUND |
| #define DHD_TXBOUND 20 /* Default for max tx frames in one scheduling */ |
| #endif |
| |
| #define DHD_TXMINMAX 1 /* Max tx frames if rx still pending */ |
| |
| #define MEMBLOCK 2048 /* Block size used for downloading of dongle image */ |
| #define MAX_MEMBLOCK (32 * 1024) /* Block size used for downloading of dongle image */ |
| |
| #define MAX_DATA_BUF (64 * 1024) /* Must be large enough to hold biggest possible glom */ |
| |
| #ifndef DHD_FIRSTREAD |
| #define DHD_FIRSTREAD 32 |
| #endif |
| #if !ISPOWEROF2(DHD_FIRSTREAD) |
| #error DHD_FIRSTREAD is not a power of 2! |
| #endif |
| |
| /* Total length of frame header for dongle protocol */ |
| #define SDPCM_HDRLEN (SDPCM_FRAMETAG_LEN + SDPCM_SWHEADER_LEN) |
| #define SDPCM_HDRLEN_TXGLOM (SDPCM_HDRLEN + SDPCM_HWEXT_LEN) |
| #define MAX_TX_PKTCHAIN_CNT SDPCM_MAXGLOM_SIZE |
| |
| #ifdef SDTEST |
| #define SDPCM_RESERVE (SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + DHD_SDALIGN) |
| #else |
| #define SDPCM_RESERVE (SDPCM_HDRLEN + DHD_SDALIGN) |
| #endif |
| |
| /* Space for header read, limit for data packets */ |
| #ifndef MAX_HDR_READ |
| #define MAX_HDR_READ 32 |
| #endif |
| #if !ISPOWEROF2(MAX_HDR_READ) |
| #error MAX_HDR_READ is not a power of 2! |
| #endif |
| |
| #define MAX_RX_DATASZ 2048 /* XXX Should be based on PKTGET limits? */ |
| |
| /* Maximum milliseconds to wait for F2 to come up */ |
| #ifdef BCMQT |
| #define DHD_WAIT_F2RDY 30000 |
| #else |
| #define DHD_WAIT_F2RDY 3000 |
| #endif /* BCMQT */ |
| |
| /* Maximum usec to wait for HTAVAIL to come up */ |
| #ifdef BCMQT |
| #define DHD_WAIT_HTAVAIL 10000000 |
| #else |
| #define DHD_WAIT_HTAVAIL 10000 |
| #endif /* BCMQT */ |
| |
| /* Bump up limit on waiting for HT to account for first startup; |
| * if the image is doing a CRC calculation before programming the PMU |
| * for HT availability, it could take a couple hundred ms more, so |
| * max out at a 1 second (1000000us). |
| */ |
| #if (PMU_MAX_TRANSITION_DLY <= 1000000) |
| #undef PMU_MAX_TRANSITION_DLY |
| #define PMU_MAX_TRANSITION_DLY 1000000 |
| #endif |
| |
| /* hooks for limiting threshold custom tx num in rx processing */ |
| #define DEFAULT_TXINRX_THRES 0 |
| #ifndef CUSTOM_TXINRX_THRES |
| #define CUSTOM_TXINRX_THRES DEFAULT_TXINRX_THRES |
| #endif |
| |
| /* Value for ChipClockCSR during initial setup */ |
| #define DHD_INIT_CLKCTL1 (SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_ALP_AVAIL_REQ) |
| #define DHD_INIT_CLKCTL2 (SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_FORCE_ALP) |
| |
| /* Flags for SDH calls */ |
| #define F2SYNC (SDIO_REQ_4BYTE | SDIO_REQ_FIXED) |
| /* XXX #define F2ASYNC (SDIO_REQ_4BYTE | SDIO_REQ_FIXED | SDIO_REQ_ASYNC) */ |
| |
| /* Packet free applicable unconditionally for sdio and sdspi. Conditional if |
| * bufpool was present for gspi bus. |
| */ |
| #define PKTFREE2() if ((bus->bus != SPI_BUS) || bus->usebufpool) \ |
| PKTFREE(bus->dhd->osh, pkt, FALSE); |
| DHD_SPINWAIT_SLEEP_INIT(sdioh_spinwait_sleep); |
| |
| #if defined(LINUX) && defined(MULTIPLE_SUPPLICANT) |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) |
| DEFINE_MUTEX(_dhd_sdio_mutex_lock_); |
| #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) */ |
| #endif /* defined(LINUX) && defined(MULTIPLE_SUPPLICANT) */ |
| |
| #ifdef SUPPORT_MULTIPLE_BOARD_REV_FROM_HW |
| extern unsigned int system_hw_rev; |
| #endif /* SUPPORT_MULTIPLE_BOARD_REV_FROM_HW */ |
| |
| /* Device console log buffer state */ |
| #define CONSOLE_LINE_MAX 192 |
| #define CONSOLE_BUFFER_MAX 2024 |
| typedef struct dhd_console { |
| uint count; /* Poll interval msec counter */ |
| uint log_addr; /* Log struct address (fixed) */ |
| hnd_log_t log; /* Log struct (host copy) */ |
| uint bufsize; /* Size of log buffer */ |
| uint8 *buf; /* Log buffer (host copy) */ |
| uint last; /* Last buffer read index */ |
| } dhd_console_t; |
| |
| #define REMAP_ENAB(bus) ((bus)->remap) |
| #define REMAP_ISADDR(bus, a) (((a) >= ((bus)->orig_ramsize)) && ((a) < ((bus)->ramsize))) |
| #define KSO_ENAB(bus) ((bus)->kso) |
| #define SR_ENAB(bus) ((bus)->_srenab) |
| #define SLPAUTO_ENAB(bus) ((SR_ENAB(bus)) && ((bus)->_slpauto)) |
| |
| #define MIN_RSRC_SR 0x3 |
| #define CORE_CAPEXT_ADDR_OFFSET (0x64c) |
| #define CORE_CAPEXT_SR_SUPPORTED_MASK (1 << 1) |
| #define RCTL_MACPHY_DISABLE_MASK (1 << 26) |
| #define RCTL_LOGIC_DISABLE_MASK (1 << 27) |
| |
| #define OOB_WAKEUP_ENAB(bus) ((bus)->_oobwakeup) |
| #define GPIO_DEV_SRSTATE 16 /* Host gpio17 mapped to device gpio0 SR state */ |
| #define GPIO_DEV_SRSTATE_TIMEOUT 320000 /* 320ms */ |
| #define GPIO_DEV_WAKEUP 17 /* Host gpio17 mapped to device gpio1 wakeup */ |
| #define CC_CHIPCTRL2_GPIO1_WAKEUP (1 << 0) |
| #define CC_CHIPCTRL3_SR_ENG_ENABLE (1 << 2) |
| #define OVERFLOW_BLKSZ512_WM 96 |
| #define OVERFLOW_BLKSZ512_MES 80 |
| |
| #define CC_PMUCC3 (0x3) |
| |
| #ifdef DHD_UCODE_DOWNLOAD |
| /* Ucode host download related macros */ |
| #define UCODE_DOWNLOAD_REQUEST 0xCAFECAFE |
| #define UCODE_DOWNLOAD_COMPLETE 0xABCDABCD |
| #endif /* DHD_UCODE_DOWNLOAD */ |
| |
| #if defined(BT_OVER_SDIO) |
| #define BTMEM_OFFSET 0x19000000 |
| /* BIT0 => WLAN Power UP and BIT1=> WLAN Wake */ |
| #define BT2WLAN_PWRUP_WAKE 0x03 |
| #define BT2WLAN_PWRUP_ADDR 0x640894 /* This address is specific to 43012B0 */ |
| |
| #define BTFW_MAX_STR_LEN 600 |
| #define BTFW_DOWNLOAD_BLK_SIZE (BTFW_MAX_STR_LEN/2 + 8) |
| |
| #define BTFW_ADDR_MODE_UNKNOWN 0 |
| #define BTFW_ADDR_MODE_EXTENDED 1 |
| #define BTFW_ADDR_MODE_SEGMENT 2 |
| #define BTFW_ADDR_MODE_LINEAR32 3 |
| |
| #define BTFW_HEX_LINE_TYPE_DATA 0 |
| #define BTFW_HEX_LINE_TYPE_END_OF_DATA 1 |
| #define BTFW_HEX_LINE_TYPE_EXTENDED_SEGMENT_ADDRESS 2 |
| #define BTFW_HEX_LINE_TYPE_EXTENDED_ADDRESS 4 |
| #define BTFW_HEX_LINE_TYPE_ABSOLUTE_32BIT_ADDRESS 5 |
| |
| #endif /* defined (BT_OVER_SDIO) */ |
| |
| /* Private data for SDIO bus interaction */ |
| typedef struct dhd_bus { |
| dhd_pub_t *dhd; |
| |
| bcmsdh_info_t *sdh; /* Handle for BCMSDH calls */ |
| si_t *sih; /* Handle for SI calls */ |
| char *vars; /* Variables (from CIS and/or other) */ |
| uint varsz; /* Size of variables buffer */ |
| uint32 sbaddr; /* Current SB window pointer (-1, invalid) */ |
| |
| sdpcmd_regs_t *regs; /* Registers for SDIO core */ |
| uint sdpcmrev; /* SDIO core revision */ |
| uint armrev; /* CPU core revision */ |
| uint ramrev; /* SOCRAM core revision */ |
| uint32 ramsize; /* Size of RAM in SOCRAM (bytes) */ |
| uint32 orig_ramsize; /* Size of RAM in SOCRAM (bytes) */ |
| uint32 srmemsize; /* Size of SRMEM */ |
| |
| uint32 bus; /* gSPI or SDIO bus */ |
| uint32 bus_num; /* bus number */ |
| uint32 slot_num; /* slot ID */ |
| uint32 hostintmask; /* Copy of Host Interrupt Mask */ |
| uint32 intstatus; /* Intstatus bits (events) pending */ |
| bool dpc_sched; /* Indicates DPC schedule (intrpt rcvd) */ |
| bool fcstate; /* State of dongle flow-control */ |
| |
| uint16 cl_devid; /* cached devid for dhdsdio_probe_attach() */ |
| char *fw_path; /* module_param: path to firmware image */ |
| char *nv_path; /* module_param: path to nvram vars file */ |
| |
| uint blocksize; /* Block size of SDIO transfers */ |
| uint roundup; /* Max roundup limit */ |
| |
| struct pktq txq; /* Queue length used for flow-control */ |
| uint8 flowcontrol; /* per prio flow control bitmask */ |
| uint8 tx_seq; /* Transmit sequence number (next) */ |
| uint8 tx_max; /* Maximum transmit sequence allowed */ |
| |
| uint8 hdrbuf[MAX_HDR_READ + DHD_SDALIGN]; |
| uint8 *rxhdr; /* Header of current rx frame (in hdrbuf) */ |
| uint16 nextlen; /* Next Read Len from last header */ |
| uint8 rx_seq; /* Receive sequence number (expected) */ |
| bool rxskip; /* Skip receive (awaiting NAK ACK) */ |
| |
| void *glomd; /* Packet containing glomming descriptor */ |
| void *glom; /* Packet chain for glommed superframe */ |
| uint glomerr; /* Glom packet read errors */ |
| |
| uint8 *rxbuf; /* Buffer for receiving control packets */ |
| uint rxblen; /* Allocated length of rxbuf */ |
| uint8 *rxctl; /* Aligned pointer into rxbuf */ |
| uint8 *databuf; /* Buffer for receiving big glom packet */ |
| uint8 *dataptr; /* Aligned pointer into databuf */ |
| uint rxlen; /* Length of valid data in buffer */ |
| |
| uint8 sdpcm_ver; /* Bus protocol reported by dongle */ |
| |
| bool intr; /* Use interrupts */ |
| bool poll; /* Use polling */ |
| bool ipend; /* Device interrupt is pending */ |
| bool intdis; /* Interrupts disabled by isr */ |
| uint intrcount; /* Count of device interrupt callbacks */ |
| uint lastintrs; /* Count as of last watchdog timer */ |
| uint spurious; /* Count of spurious interrupts */ |
| uint pollrate; /* Ticks between device polls */ |
| uint polltick; /* Tick counter */ |
| uint pollcnt; /* Count of active polls */ |
| |
| dhd_console_t console; /* Console output polling support */ |
| uint console_addr; /* Console address from shared struct */ |
| |
| uint regfails; /* Count of R_REG/W_REG failures */ |
| |
| uint clkstate; /* State of sd and backplane clock(s) */ |
| bool activity; /* Activity flag for clock down */ |
| int32 idletime; /* Control for activity timeout */ |
| int32 idlecount; /* Activity timeout counter */ |
| int32 idleclock; /* How to set bus driver when idle */ |
| int32 sd_divisor; /* Speed control to bus driver */ |
| int32 sd_mode; /* Mode control to bus driver */ |
| int32 sd_rxchain; /* If bcmsdh api accepts PKT chains */ |
| bool use_rxchain; /* If dhd should use PKT chains */ |
| bool sleeping; /* Is SDIO bus sleeping? */ |
| #if defined(LINUX) && defined(SUPPORT_P2P_GO_PS) |
| wait_queue_head_t bus_sleep; |
| #endif /* LINUX && SUPPORT_P2P_GO_PS */ |
| uint rxflow_mode; /* Rx flow control mode */ |
| bool rxflow; /* Is rx flow control on */ |
| uint prev_rxlim_hit; /* Is prev rx limit exceeded (per dpc schedule) */ |
| bool alp_only; /* Don't use HT clock (ALP only) */ |
| /* Field to decide if rx of control frames happen in rxbuf or lb-pool */ |
| bool usebufpool; |
| int32 txinrx_thres; /* num of in-queued pkts */ |
| int32 dotxinrx; /* tx first in dhdsdio_readframes */ |
| #ifdef SDTEST |
| /* external loopback */ |
| bool ext_loop; |
| uint8 loopid; |
| |
| /* pktgen configuration */ |
| uint pktgen_freq; /* Ticks between bursts */ |
| uint pktgen_count; /* Packets to send each burst */ |
| uint pktgen_print; /* Bursts between count displays */ |
| uint pktgen_total; /* Stop after this many */ |
| uint pktgen_minlen; /* Minimum packet data len */ |
| uint pktgen_maxlen; /* Maximum packet data len */ |
| uint pktgen_mode; /* Configured mode: tx, rx, or echo */ |
| uint pktgen_stop; /* Number of tx failures causing stop */ |
| |
| /* active pktgen fields */ |
| uint pktgen_tick; /* Tick counter for bursts */ |
| uint pktgen_ptick; /* Burst counter for printing */ |
| uint pktgen_sent; /* Number of test packets generated */ |
| uint pktgen_rcvd; /* Number of test packets received */ |
| uint pktgen_prev_time; /* Time at which previous stats where printed */ |
| uint pktgen_prev_sent; /* Number of test packets generated when |
| * previous stats were printed |
| */ |
| uint pktgen_prev_rcvd; /* Number of test packets received when |
| * previous stats were printed |
| */ |
| uint pktgen_fail; /* Number of failed send attempts */ |
| uint16 pktgen_len; /* Length of next packet to send */ |
| #define PKTGEN_RCV_IDLE (0) |
| #define PKTGEN_RCV_ONGOING (1) |
| uint16 pktgen_rcv_state; /* receive state */ |
| uint pktgen_rcvd_rcvsession; /* test pkts rcvd per rcv session. */ |
| #endif /* SDTEST */ |
| |
| /* Some additional counters */ |
| uint tx_sderrs; /* Count of tx attempts with sd errors */ |
| uint fcqueued; /* Tx packets that got queued */ |
| uint rxrtx; /* Count of rtx requests (NAK to dongle) */ |
| uint rx_toolong; /* Receive frames too long to receive */ |
| uint rxc_errors; /* SDIO errors when reading control frames */ |
| uint rx_hdrfail; /* SDIO errors on header reads */ |
| uint rx_badhdr; /* Bad received headers (roosync?) */ |
| uint rx_badseq; /* Mismatched rx sequence number */ |
| uint fc_rcvd; /* Number of flow-control events received */ |
| uint fc_xoff; /* Number which turned on flow-control */ |
| uint fc_xon; /* Number which turned off flow-control */ |
| uint rxglomfail; /* Failed deglom attempts */ |
| uint rxglomframes; /* Number of glom frames (superframes) */ |
| uint rxglompkts; /* Number of packets from glom frames */ |
| uint f2rxhdrs; /* Number of header reads */ |
| uint f2rxdata; /* Number of frame data reads */ |
| uint f2txdata; /* Number of f2 frame writes */ |
| uint f1regdata; /* Number of f1 register accesses */ |
| wake_counts_t wake_counts; /* Wake up counter */ |
| #ifdef BCMSPI |
| bool dwordmode; |
| #endif /* BCMSPI */ |
| #ifdef DHDENABLE_TAILPAD |
| uint tx_tailpad_chain; /* Number of tail padding by chaining pad_pkt */ |
| uint tx_tailpad_pktget; /* Number of tail padding by new PKTGET */ |
| #endif /* DHDENABLE_TAILPAD */ |
| uint8 *ctrl_frame_buf; |
| uint32 ctrl_frame_len; |
| bool ctrl_frame_stat; |
| #ifndef BCMSPI |
| uint32 rxint_mode; /* rx interrupt mode */ |
| #endif /* BCMSPI */ |
| bool remap; /* Contiguous 1MB RAM: 512K socram + 512K devram |
| * Available with socram rev 16 |
| * Remap region not DMA-able |
| */ |
| bool kso; |
| bool _slpauto; |
| bool _oobwakeup; |
| bool _srenab; |
| bool readframes; |
| bool reqbussleep; |
| uint32 resetinstr; |
| uint32 dongle_ram_base; |
| |
| void *glom_pkt_arr[SDPCM_MAXGLOM_SIZE]; /* Array of pkts for glomming */ |
| uint32 txglom_cnt; /* Number of pkts in the glom array */ |
| uint32 txglom_total_len; /* Total length of pkts in glom array */ |
| bool txglom_enable; /* Flag to indicate whether tx glom is enabled/disabled */ |
| uint32 txglomsize; /* Glom size limitation */ |
| #ifdef DHDENABLE_TAILPAD |
| void *pad_pkt; |
| #endif /* DHDENABLE_TAILPAD */ |
| uint32 dongle_trap_addr; /* device trap addr location in device memory */ |
| #if defined(BT_OVER_SDIO) |
| char *btfw_path; /* module_param: path to BT firmware image */ |
| uint32 bt_use_count; /* Counter that tracks whether BT is using the bus */ |
| #endif /* defined (BT_OVER_SDIO) */ |
| } dhd_bus_t; |
| |
| /* |
| * Whenever DHD_IDLE_IMMEDIATE condition is handled, we have to now check if |
| * BT is active too. Instead of adding #ifdef code in all the places, we thought |
| * of adding one macro check as part of the if condition that checks for DHD_IDLE_IMMEDIATE |
| * In case of non BT over SDIO builds, this macro will always return TRUE. In case |
| * of the builds where BT_OVER_SDIO is enabled, it will expand to a condition check |
| * that checks if bt_use_count is zero. So this macro will return equate to 1 if |
| * bt_use_count is 0, indicating that there are no active users and if bt_use_count |
| * is non zero it would return 0 there by preventing the caller from executing the |
| * sleep calls. |
| */ |
| #ifdef BT_OVER_SDIO |
| #define NO_OTHER_ACTIVE_BUS_USER(bus) (bus->bt_use_count == 0) |
| #else |
| #define NO_OTHER_ACTIVE_BUS_USER(bus) (1) |
| #endif /* BT_OVER_SDIO */ |
| |
| /* clkstate */ |
| #define CLK_NONE 0 |
| #define CLK_SDONLY 1 |
| #define CLK_PENDING 2 /* Not used yet */ |
| #define CLK_AVAIL 3 |
| |
| #define DHD_NOPMU(dhd) (FALSE) |
| |
| #if defined(BCMSDIOH_STD) |
| #define BLK_64_MAXTXGLOM 20 |
| #endif /* BCMSDIOH_STD */ |
| |
| #ifdef DHD_DEBUG |
| static int qcount[NUMPRIO]; |
| static int tx_packets[NUMPRIO]; |
| #endif /* DHD_DEBUG */ |
| |
| /* Deferred transmit */ |
| const uint dhd_deferred_tx = 1; |
| |
| extern uint dhd_watchdog_ms; |
| #ifndef NDIS |
| extern uint sd_f1_blocksize; |
| #endif /* !NDIS */ |
| |
| extern uint *dhd_spi_lockcount; |
| |
| extern void dhd_os_wd_timer(void *bus, uint wdtick); |
| int dhd_enableOOB(dhd_pub_t *dhd, bool sleep); |
| |
| #ifdef DHD_PM_CONTROL_FROM_FILE |
| extern bool g_pm_control; |
| #endif /* DHD_PM_CONTROL_FROM_FILE */ |
| |
| /* Tx/Rx bounds */ |
| uint dhd_txbound; |
| uint dhd_rxbound; |
| uint dhd_txminmax = DHD_TXMINMAX; |
| |
| /* override the RAM size if possible */ |
| #define DONGLE_MIN_RAMSIZE (128 *1024) |
| int dhd_dongle_ramsize; |
| |
| uint dhd_doflow = TRUE; |
| uint dhd_dpcpoll = FALSE; |
| |
| #ifdef linux |
| module_param(dhd_doflow, uint, 0644); |
| module_param(dhd_dpcpoll, uint, 0644); |
| #endif |
| |
| static bool dhd_alignctl; |
| |
| static bool sd1idle; |
| |
| static bool retrydata; |
| #define RETRYCHAN(chan) (((chan) == SDPCM_EVENT_CHANNEL) || retrydata) |
| |
| #ifdef BCMSPI |
| /* At a watermark around 8 the spid hits underflow error. */ |
| static uint watermark = 32; |
| static uint mesbusyctrl = 0; |
| #else |
| static uint watermark = 8; |
| static uint mesbusyctrl = 0; |
| #endif /* BCMSPI */ |
| static const uint firstread = DHD_FIRSTREAD; |
| |
| /* Retry count for register access failures */ |
| static const uint retry_limit = 2; |
| |
| /* Force even SD lengths (some host controllers mess up on odd bytes) */ |
| static bool forcealign; |
| |
| #if defined(DEBUGGER) |
| static uint32 dhd_sdio_reg_read(struct dhd_bus *bus, ulong addr); |
| static void dhd_sdio_reg_write(struct dhd_bus *bus, ulong addr, uint32 val); |
| |
| /** the debugger layer will call back into this (bus) layer to read/write dongle memory */ |
| static struct dhd_dbg_bus_ops_s bus_ops = { |
| .read_u16 = NULL, |
| .read_u32 = dhd_sdio_reg_read, |
| .write_u32 = dhd_sdio_reg_write, |
| }; |
| #endif /* DEBUGGER */ |
| |
| #define ALIGNMENT 4 |
| |
| #if defined(OOB_INTR_ONLY) && defined(HW_OOB) |
| extern void bcmsdh_enable_hw_oob_intr(void *sdh, bool enable); |
| #endif |
| |
| #if defined(OOB_INTR_ONLY) && defined(SDIO_ISR_THREAD) |
| #error OOB_INTR_ONLY is NOT working with SDIO_ISR_THREAD |
| #endif /* defined(OOB_INTR_ONLY) && defined(SDIO_ISR_THREAD) */ |
| #define PKTALIGN(osh, p, len, align) \ |
| do { \ |
| uintptr datalign; \ |
| datalign = (uintptr)PKTDATA((osh), (p)); \ |
| datalign = ROUNDUP(datalign, (align)) - datalign; \ |
| ASSERT(datalign < (align)); \ |
| ASSERT(PKTLEN((osh), (p)) >= ((len) + datalign)); \ |
| if (datalign) \ |
| PKTPULL((osh), (p), (uint)datalign); \ |
| PKTSETLEN((osh), (p), (len)); \ |
| } while (0) |
| |
| /* Limit on rounding up frames */ |
| static const uint max_roundup = 512; |
| |
| /* Try doing readahead */ |
| static bool dhd_readahead; |
| |
| /* To check if there's window offered */ |
| #define DATAOK(bus) \ |
| (((uint8)(bus->tx_max - bus->tx_seq) > 1) && \ |
| (((uint8)(bus->tx_max - bus->tx_seq) & 0x80) == 0)) |
| |
| /* To check if there's window offered for ctrl frame */ |
| #define TXCTLOK(bus) \ |
| (((uint8)(bus->tx_max - bus->tx_seq) != 0) && \ |
| (((uint8)(bus->tx_max - bus->tx_seq) & 0x80) == 0)) |
| |
| /* Number of pkts available in dongle for data RX */ |
| #define DATABUFCNT(bus) \ |
| ((uint8)(bus->tx_max - bus->tx_seq) - 1) |
| |
| /* Macros to get register read/write status */ |
| /* NOTE: these assume a local dhdsdio_bus_t *bus! */ |
| /* XXX Need to replace these with something better. */ |
| #define R_SDREG(regvar, regaddr, retryvar) \ |
| do { \ |
| retryvar = 0; \ |
| do { \ |
| regvar = R_REG(bus->dhd->osh, regaddr); \ |
| } while (bcmsdh_regfail(bus->sdh) && (++retryvar <= retry_limit)); \ |
| if (retryvar) { \ |
| bus->regfails += (retryvar-1); \ |
| if (retryvar > retry_limit) { \ |
| DHD_ERROR(("%s: FAILED" #regvar "READ, LINE %d\n", \ |
| __FUNCTION__, __LINE__)); \ |
| regvar = 0; \ |
| } \ |
| } \ |
| } while (0) |
| |
| #define W_SDREG(regval, regaddr, retryvar) \ |
| do { \ |
| retryvar = 0; \ |
| do { \ |
| W_REG(bus->dhd->osh, regaddr, regval); \ |
| } while (bcmsdh_regfail(bus->sdh) && (++retryvar <= retry_limit)); \ |
| if (retryvar) { \ |
| bus->regfails += (retryvar-1); \ |
| if (retryvar > retry_limit) \ |
| DHD_ERROR(("%s: FAILED REGISTER WRITE, LINE %d\n", \ |
| __FUNCTION__, __LINE__)); \ |
| } \ |
| } while (0) |
| |
| #define BUS_WAKE(bus) \ |
| do { \ |
| bus->idlecount = 0; \ |
| if ((bus)->sleeping) \ |
| dhdsdio_bussleep((bus), FALSE); \ |
| } while (0); |
| |
| /* |
| * pktavail interrupts from dongle to host can be managed in 3 different ways |
| * whenever there is a packet available in dongle to transmit to host. |
| * |
| * Mode 0: Dongle writes the software host mailbox and host is interrupted. |
| * Mode 1: (sdiod core rev >= 4) |
| * Device sets a new bit in the intstatus whenever there is a packet |
| * available in fifo. Host can't clear this specific status bit until all the |
| * packets are read from the FIFO. No need to ack dongle intstatus. |
| * Mode 2: (sdiod core rev >= 4) |
| * Device sets a bit in the intstatus, and host acks this by writing |
| * one to this bit. Dongle won't generate anymore packet interrupts |
| * until host reads all the packets from the dongle and reads a zero to |
| * figure that there are no more packets. No need to disable host ints. |
| * Need to ack the intstatus. |
| */ |
| |
| #define SDIO_DEVICE_HMB_RXINT 0 /* default old way */ |
| #define SDIO_DEVICE_RXDATAINT_MODE_0 1 /* from sdiod rev 4 */ |
| #define SDIO_DEVICE_RXDATAINT_MODE_1 2 /* from sdiod rev 4 */ |
| |
| #ifdef BCMSPI |
| |
| #define FRAME_AVAIL_MASK(bus) I_HMB_FRAME_IND |
| |
| #define DHD_BUS SPI_BUS |
| |
| /* check packet-available-interrupt in piggybacked dstatus */ |
| #define PKT_AVAILABLE(bus, intstatus) (bcmsdh_get_dstatus(bus->sdh) & STATUS_F2_PKT_AVAILABLE) |
| |
| #define HOSTINTMASK (I_HMB_FC_CHANGE | I_HMB_HOST_INT) |
| |
| #define GSPI_PR55150_BAILOUT \ |
| do { \ |
| uint32 dstatussw = bcmsdh_get_dstatus((void *)bus->sdh); \ |
| uint32 dstatushw = bcmsdh_cfg_read_word(bus->sdh, SDIO_FUNC_0, SPID_STATUS_REG, NULL); \ |
| uint32 intstatuserr = 0; \ |
| uint retries = 0; \ |
| \ |
| R_SDREG(intstatuserr, &bus->regs->intstatus, retries); \ |
| printf("dstatussw = 0x%x, dstatushw = 0x%x, intstatus = 0x%x\n", \ |
| dstatussw, dstatushw, intstatuserr); \ |
| \ |
| bus->nextlen = 0; \ |
| *finished = TRUE; \ |
| } while (0) |
| |
| #else /* BCMSDIO */ |
| |
| #define FRAME_AVAIL_MASK(bus) \ |
| ((bus->rxint_mode == SDIO_DEVICE_HMB_RXINT) ? I_HMB_FRAME_IND : I_XMTDATA_AVAIL) |
| |
| #define DHD_BUS SDIO_BUS |
| |
| #define PKT_AVAILABLE(bus, intstatus) ((intstatus) & (FRAME_AVAIL_MASK(bus))) |
| |
| #define HOSTINTMASK (I_HMB_SW_MASK | I_CHIPACTIVE) |
| |
| #define GSPI_PR55150_BAILOUT |
| |
| #endif /* BCMSPI */ |
| |
| #ifdef SDTEST |
| static void dhdsdio_testrcv(dhd_bus_t *bus, void *pkt, uint seq); |
| static void dhdsdio_sdtest_set(dhd_bus_t *bus, uint count); |
| #endif |
| |
| static int dhdsdio_checkdied(dhd_bus_t *bus, char *data, uint size); |
| #ifdef DHD_DEBUG |
| static int dhd_serialconsole(dhd_bus_t *bus, bool get, bool enable, int *bcmerror); |
| #endif /* DHD_DEBUG */ |
| |
| #if defined(DHD_FW_COREDUMP) |
| static int dhdsdio_mem_dump(dhd_bus_t *bus); |
| static int dhdsdio_get_mem_dump(dhd_bus_t *bus); |
| #endif /* DHD_FW_COREDUMP */ |
| static int dhdsdio_devcap_set(dhd_bus_t *bus, uint8 cap); |
| static int dhdsdio_download_state(dhd_bus_t *bus, bool enter); |
| |
| static void dhdsdio_release(dhd_bus_t *bus, osl_t *osh); |
| static void dhdsdio_release_malloc(dhd_bus_t *bus, osl_t *osh); |
| static void dhdsdio_disconnect(void *ptr); |
| static bool dhdsdio_chipmatch(uint16 chipid); |
| static bool dhdsdio_probe_attach(dhd_bus_t *bus, osl_t *osh, void *sdh, |
| void * regsva, uint16 devid); |
| static bool dhdsdio_probe_malloc(dhd_bus_t *bus, osl_t *osh, void *sdh); |
| static bool dhdsdio_probe_init(dhd_bus_t *bus, osl_t *osh, void *sdh); |
| static void dhdsdio_release_dongle(dhd_bus_t *bus, osl_t *osh, bool dongle_isolation, |
| bool reset_flag); |
| |
| static void dhd_dongle_setramsize(struct dhd_bus *bus, int mem_size); |
| static int dhd_bcmsdh_recv_buf(dhd_bus_t *bus, uint32 addr, uint fn, uint flags, |
| uint8 *buf, uint nbytes, |
| void *pkt, bcmsdh_cmplt_fn_t complete, void *handle); |
| static int dhd_bcmsdh_send_buf(dhd_bus_t *bus, uint32 addr, uint fn, uint flags, |
| uint8 *buf, uint nbytes, |
| void *pkt, bcmsdh_cmplt_fn_t complete, void *handle, int max_retry); |
| static int dhdsdio_txpkt(dhd_bus_t *bus, uint chan, void** pkts, int num_pkt, bool free_pkt); |
| static int dhdsdio_txpkt_preprocess(dhd_bus_t *bus, void *pkt, int chan, int txseq, |
| int prev_chain_total_len, bool last_chained_pkt, |
| int *pad_pkt_len, void **new_pkt); |
| static int dhdsdio_txpkt_postprocess(dhd_bus_t *bus, void *pkt); |
| |
| static int dhdsdio_download_firmware(dhd_bus_t *bus, osl_t *osh, void *sdh); |
| static int _dhdsdio_download_firmware(dhd_bus_t *bus); |
| |
| #ifdef DHD_UCODE_DOWNLOAD |
| static int dhdsdio_download_ucode_file(struct dhd_bus *bus, char *ucode_path); |
| #endif /* DHD_UCODE_DOWNLOAD */ |
| static int dhdsdio_download_code_file(dhd_bus_t *bus, char *image_path); |
| static int dhdsdio_download_nvram(dhd_bus_t *bus); |
| #ifdef BCMEMBEDIMAGE |
| static int dhdsdio_download_code_array(dhd_bus_t *bus); |
| #endif |
| static int dhdsdio_bussleep(dhd_bus_t *bus, bool sleep); |
| static int dhdsdio_clkctl(dhd_bus_t *bus, uint target, bool pendok); |
| static uint8 dhdsdio_sleepcsr_get(dhd_bus_t *bus); |
| static bool dhdsdio_dpc(dhd_bus_t *bus); |
| static int dhd_bcmsdh_send_buffer(void *bus, uint8 *frame, uint16 len); |
| static int dhdsdio_set_sdmode(dhd_bus_t *bus, int32 sd_mode); |
| static int dhdsdio_sdclk(dhd_bus_t *bus, bool on); |
| static void dhdsdio_advertise_bus_cleanup(dhd_pub_t *dhdp); |
| |
| #if defined(BT_OVER_SDIO) |
| static int extract_hex_field(char * line, uint16 start_pos, uint16 num_chars, uint16 * value); |
| static int read_more_btbytes(struct dhd_bus *bus, void * file, char *line, int * addr_mode, |
| uint16 * hi_addr, uint32 * dest_addr, uint8 *data_bytes, uint32 * num_bytes); |
| static int dhdsdio_download_btfw(struct dhd_bus *bus, osl_t *osh, void *sdh); |
| static int _dhdsdio_download_btfw(struct dhd_bus *bus); |
| #endif /* defined (BT_OVER_SDIO) */ |
| |
| /* |
| * PR 114233: [4335] Sdio 3.0 overflow due to spur mode PLL change |
| */ |
| static void |
| dhdsdio_tune_fifoparam(struct dhd_bus *bus) |
| { |
| int err; |
| uint8 devctl, wm, mes; |
| |
| if (bus->sih->buscorerev >= 15) { |
| /* See .ppt in PR for these recommended values */ |
| if (bus->blocksize == 512) { |
| wm = OVERFLOW_BLKSZ512_WM; |
| mes = OVERFLOW_BLKSZ512_MES; |
| } else { |
| mes = bus->blocksize/4; |
| wm = bus->blocksize/4; |
| } |
| |
| /* XXX: Need to set watermark since SBSDIO_WATERMARK could be overwritten |
| based on watermark value in other place. Refer to SWDHD-17. |
| */ |
| watermark = wm; |
| mesbusyctrl = mes; |
| } else { |
| DHD_INFO(("skip fifotune: SdioRev(%d) is lower than minimal requested ver\n", |
| bus->sih->buscorerev)); |
| return; |
| } |
| |
| /* Update watermark */ |
| if (wm > 0) { |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_WATERMARK, wm, &err); |
| |
| devctl = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, &err); |
| devctl |= SBSDIO_DEVCTL_F2WM_ENAB; |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, devctl, &err); |
| } |
| |
| /* Update MES */ |
| if (mes > 0) { |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_MESBUSYCTRL, |
| (mes | SBSDIO_MESBUSYCTRL_ENAB), &err); |
| } |
| |
| DHD_INFO(("Apply overflow WAR: 0x%02x 0x%02x 0x%02x\n", |
| bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, &err), |
| bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_WATERMARK, &err), |
| bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_MESBUSYCTRL, &err))); |
| } |
| |
| static void |
| dhd_dongle_setramsize(struct dhd_bus *bus, int mem_size) |
| { |
| int32 min_size = DONGLE_MIN_RAMSIZE; |
| /* Restrict the ramsize to user specified limit */ |
| DHD_ERROR(("user: Restrict the dongle ram size to %d, min accepted %d\n", |
| dhd_dongle_ramsize, min_size)); |
| if ((dhd_dongle_ramsize > min_size) && |
| (dhd_dongle_ramsize < (int32)bus->orig_ramsize)) |
| bus->ramsize = dhd_dongle_ramsize; |
| } |
| |
| static int |
| dhdsdio_set_siaddr_window(dhd_bus_t *bus, uint32 address) |
| { |
| int err = 0; |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRLOW, |
| (address >> 8) & SBSDIO_SBADDRLOW_MASK, &err); |
| if (!err) |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRMID, |
| (address >> 16) & SBSDIO_SBADDRMID_MASK, &err); |
| if (!err) |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SBADDRHIGH, |
| (address >> 24) & SBSDIO_SBADDRHIGH_MASK, &err); |
| return err; |
| } |
| |
| #ifdef BCMSPI |
| static void |
| dhdsdio_wkwlan(dhd_bus_t *bus, bool on) |
| { |
| int err; |
| uint32 regdata; |
| bcmsdh_info_t *sdh = bus->sdh; |
| |
| /* XXX: sdiod cores have SPI as a block, PCMCIA doesn't have the gspi core */ |
| /* XXX: may be we don't even need this check at all */ |
| if (bus->sih->buscoretype == SDIOD_CORE_ID) { |
| /* wake up wlan function :WAKE_UP goes as ht_avail_request and alp_avail_request */ |
| regdata = bcmsdh_cfg_read_word(sdh, SDIO_FUNC_0, SPID_CONFIG, NULL); |
| DHD_INFO(("F0 REG0 rd = 0x%x\n", regdata)); |
| |
| if (on == TRUE) |
| regdata |= WAKE_UP; |
| else |
| regdata &= ~WAKE_UP; |
| |
| bcmsdh_cfg_write_word(sdh, SDIO_FUNC_0, SPID_CONFIG, regdata, &err); |
| } |
| } |
| #endif /* BCMSPI */ |
| |
| #ifdef USE_OOB_GPIO1 |
| static int |
| dhdsdio_oobwakeup_init(dhd_bus_t *bus) |
| { |
| uint32 val, addr, data; |
| |
| bcmsdh_gpioouten(bus->sdh, GPIO_DEV_WAKEUP); |
| |
| addr = SI_ENUM_BASE(bus->sih) + OFFSETOF(chipcregs_t, chipcontrol_addr); |
| data = SI_ENUM_BASE(bus->sih) + OFFSETOF(chipcregs_t, chipcontrol_data); |
| |
| /* Set device for gpio1 wakeup */ |
| bcmsdh_reg_write(bus->sdh, addr, 4, 2); |
| val = bcmsdh_reg_read(bus->sdh, data, 4); |
| val |= CC_CHIPCTRL2_GPIO1_WAKEUP; |
| bcmsdh_reg_write(bus->sdh, data, 4, val); |
| |
| bus->_oobwakeup = TRUE; |
| |
| return 0; |
| } |
| #endif /* USE_OOB_GPIO1 */ |
| |
| #ifndef BCMSPI |
| /* |
| * Query if FW is in SR mode |
| */ |
| static bool |
| dhdsdio_sr_cap(dhd_bus_t *bus) |
| { |
| bool cap = FALSE; |
| uint32 core_capext, addr, data; |
| |
| if (bus->sih->chip == BCM43430_CHIP_ID || |
| bus->sih->chip == BCM43018_CHIP_ID) { |
| /* check if fw initialized sr engine */ |
| addr = SI_ENUM_BASE(bus->sih) + OFFSETOF(chipcregs_t, sr_control1); |
| if (bcmsdh_reg_read(bus->sdh, addr, 4) != 0) |
| cap = TRUE; |
| |
| return cap; |
| } |
| if ( |
| 0) { |
| core_capext = FALSE; |
| } else if ((bus->sih->chip == BCM4335_CHIP_ID) || |
| (bus->sih->chip == BCM4339_CHIP_ID) || |
| BCM4345_CHIP(bus->sih->chip) || |
| (bus->sih->chip == BCM4354_CHIP_ID) || |
| (bus->sih->chip == BCM4358_CHIP_ID) || |
| (BCM4349_CHIP(bus->sih->chip)) || |
| (bus->sih->chip == BCM4350_CHIP_ID) || |
| (bus->sih->chip == BCM4362_CHIP_ID) || |
| (bus->sih->chip == BCM4381_CHIP_ID) || |
| (bus->sih->chip == BCM43012_CHIP_ID) || |
| (bus->sih->chip == BCM43013_CHIP_ID) || |
| (bus->sih->chip == BCM43014_CHIP_ID) || |
| (bus->sih->chip == BCM43751_CHIP_ID) || |
| (bus->sih->chip == BCM43752_CHIP_ID)) { |
| core_capext = TRUE; |
| } else { |
| /* XXX: For AOB, CORE_CAPEXT_ADDR is moved to PMU core */ |
| core_capext = bcmsdh_reg_read(bus->sdh, |
| si_get_pmu_reg_addr(bus->sih, OFFSETOF(chipcregs_t, core_cap_ext)), |
| 4); |
| |
| core_capext = (core_capext & CORE_CAPEXT_SR_SUPPORTED_MASK); |
| } |
| if (!(core_capext)) |
| return FALSE; |
| |
| if ((bus->sih->chip == BCM4335_CHIP_ID) || |
| (bus->sih->chip == BCM4339_CHIP_ID) || |
| BCM4345_CHIP(bus->sih->chip) || |
| (bus->sih->chip == BCM4354_CHIP_ID) || |
| (bus->sih->chip == BCM4358_CHIP_ID) || |
| (bus->sih->chip == BCM4350_CHIP_ID)) { |
| uint32 enabval = 0; |
| addr = SI_ENUM_BASE(bus->sih) + OFFSETOF(chipcregs_t, chipcontrol_addr); |
| data = SI_ENUM_BASE(bus->sih) + OFFSETOF(chipcregs_t, chipcontrol_data); |
| /* XXX: assuming the dongle doesn't change chipcontrol_addr, because |
| * if that happens, the chipcontrol_data read will be wrong. So we need |
| * to make sure the dongle and host will not access chipcontrol_addr |
| * simultaneously at this point. |
| */ |
| bcmsdh_reg_write(bus->sdh, addr, 4, CC_PMUCC3); |
| enabval = bcmsdh_reg_read(bus->sdh, data, 4); |
| |
| if ((bus->sih->chip == BCM4350_CHIP_ID) || |
| BCM4345_CHIP(bus->sih->chip) || |
| (bus->sih->chip == BCM4354_CHIP_ID) || |
| (bus->sih->chip == BCM4358_CHIP_ID)) |
| enabval &= CC_CHIPCTRL3_SR_ENG_ENABLE; |
| |
| /* XXX: not checking the CC_PMUCC3_SRCC_SR_ENG_ENAB bit [val 4], but |
| * will check the whole register to be non-zero so that, sleep sequence |
| * can be also checked without enabling SR. |
| */ |
| if (enabval) |
| cap = TRUE; |
| } else { |
| data = bcmsdh_reg_read(bus->sdh, |
| si_get_pmu_reg_addr(bus->sih, OFFSETOF(chipcregs_t, retention_ctl)), |
| 4); |
| if ((data & (RCTL_MACPHY_DISABLE_MASK | RCTL_LOGIC_DISABLE_MASK)) == 0) |
| cap = TRUE; |
| } |
| |
| return cap; |
| } |
| |
| static int |
| dhdsdio_sr_init(dhd_bus_t *bus) |
| { |
| uint8 val; |
| int err = 0; |
| |
| if (bus->sih->chip == BCM43012_CHIP_ID || |
| bus->sih->chip == BCM43013_CHIP_ID || |
| bus->sih->chip == BCM43014_CHIP_ID) { |
| val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WAKEUPCTRL, NULL); |
| val |= 1 << SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT; |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WAKEUPCTRL, |
| 1 << SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT, &err); |
| val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WAKEUPCTRL, NULL); |
| } else { |
| val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WAKEUPCTRL, NULL); |
| val |= 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT; |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WAKEUPCTRL, |
| 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT, &err); |
| val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WAKEUPCTRL, NULL); |
| } |
| |
| #ifdef USE_CMD14 |
| /* Add CMD14 Support */ |
| dhdsdio_devcap_set(bus, |
| (SDIOD_CCCR_BRCM_CARDCAP_CMD14_SUPPORT | SDIOD_CCCR_BRCM_CARDCAP_CMD14_EXT)); |
| #endif /* USE_CMD14 */ |
| |
| if (CHIPID(bus->sih->chip) == BCM43430_CHIP_ID || |
| CHIPID(bus->sih->chip) == BCM43018_CHIP_ID || |
| CHIPID(bus->sih->chip) == BCM4339_CHIP_ID || |
| CHIPID(bus->sih->chip) == BCM4362_CHIP_ID || |
| CHIPID(bus->sih->chip) == BCM4381_CHIP_ID || |
| CHIPID(bus->sih->chip) == BCM43012_CHIP_ID || |
| CHIPID(bus->sih->chip) == BCM43013_CHIP_ID || |
| CHIPID(bus->sih->chip) == BCM43014_CHIP_ID || |
| CHIPID(bus->sih->chip) == BCM43751_CHIP_ID || |
| CHIPID(bus->sih->chip) == BCM43752_CHIP_ID) |
| dhdsdio_devcap_set(bus, SDIOD_CCCR_BRCM_CARDCAP_CMD_NODEC); |
| |
| if (bus->sih->chip == BCM43012_CHIP_ID || |
| bus->sih->chip == BCM43013_CHIP_ID || |
| bus->sih->chip == BCM43014_CHIP_ID) { |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, |
| SBSDIO_FUNC1_CHIPCLKCSR, SBSDIO_HT_AVAIL_REQ, &err); |
| } else { |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, |
| SBSDIO_FUNC1_CHIPCLKCSR, SBSDIO_FORCE_HT, &err); |
| } |
| bus->_slpauto = dhd_slpauto ? TRUE : FALSE; |
| |
| bus->_srenab = TRUE; |
| |
| return 0; |
| } |
| #endif /* BCMSPI */ |
| |
| /* |
| * FIX: Be sure KSO bit is enabled |
| * Currently, it's defaulting to 0 which should be 1. |
| */ |
| static int |
| dhdsdio_clk_kso_init(dhd_bus_t *bus) |
| { |
| uint8 val; |
| int err = 0; |
| |
| /* set flag */ |
| bus->kso = TRUE; |
| |
| /* |
| * Enable KeepSdioOn (KSO) bit for normal operation |
| * Default is 0 (4334A0) so set it. Fixed in B0. |
| */ |
| val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, NULL); |
| if (!(val & SBSDIO_FUNC1_SLEEPCSR_KSO_MASK)) { |
| val |= (SBSDIO_FUNC1_SLEEPCSR_KSO_EN << SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT); |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, val, &err); |
| if (err) |
| DHD_ERROR(("%s: SBSDIO_FUNC1_SLEEPCSR err: 0x%x\n", __FUNCTION__, err)); |
| } |
| |
| return 0; |
| } |
| |
| static void |
| dhdsdio_set_wakeupctrl(dhd_bus_t *bus) |
| { |
| uint8 val; |
| int err = 0; |
| |
| /* programme the wakeup wait */ |
| val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WAKEUPCTRL, NULL); |
| val |= 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT; |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WAKEUPCTRL, |
| 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT, &err); |
| val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WAKEUPCTRL, NULL); |
| } |
| |
| #define KSO_DBG(x) |
| /* XXX KSO set typically takes depending on resource up & number of |
| * resources which were down. Max value is PMU_MAX_TRANSITION_DLY usec. |
| * Currently the KSO attempt loop is such that, it waits |
| * (KSO_WAIT_US [50usec] time + 2 SDIO operations) * MAX_KSO_ATTEMPTS. |
| * So setting a value of maximum PMU_MAX_TRANSITION_DLY as wait time., |
| * to calculate MAX_KSO_ATTEMPTS. |
| */ |
| #define KSO_WAIT_US 50 |
| #define KSO_WAIT_MS 1 |
| #define KSO_SLEEP_RETRY_COUNT 20 |
| #define KSO_WAKE_RETRY_COUNT 100 |
| #define ERROR_BCME_NODEVICE_MAX 1 |
| |
| #define DEFAULT_MAX_KSO_ATTEMPTS (PMU_MAX_TRANSITION_DLY/KSO_WAIT_US) |
| #ifndef CUSTOM_MAX_KSO_ATTEMPTS |
| #define CUSTOM_MAX_KSO_ATTEMPTS DEFAULT_MAX_KSO_ATTEMPTS |
| #endif |
| |
| static int |
| dhdsdio_clk_kso_enab(dhd_bus_t *bus, bool on) |
| { |
| uint8 wr_val = 0, rd_val, cmp_val, bmask; |
| int err = 0; |
| int try_cnt = 0; |
| |
| KSO_DBG(("%s> op:%s\n", __FUNCTION__, (on ? "KSO_SET" : "KSO_CLR"))); |
| |
| wr_val |= (on << SBSDIO_FUNC1_SLEEPCSR_KSO_SHIFT); |
| |
| /* XXX 1st KSO write goes to AOS wake up core if device is asleep */ |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, wr_val, &err); |
| |
| /* In case of 43012 chip, the chip could go down immediately after KSO bit is cleared. |
| * So the further reads of KSO register could fail. Thereby just bailing out immediately |
| * after clearing KSO bit, to avoid polling of KSO bit. |
| */ |
| if ((!on) && (bus->sih->chip == BCM43012_CHIP_ID || |
| (bus->sih->chip == BCM4381_CHIP_ID) || |
| bus->sih->chip == BCM43013_CHIP_ID || |
| bus->sih->chip == BCM43014_CHIP_ID)) { |
| return err; |
| } |
| |
| if (on) { |
| /* XXX |
| * device WAKEUP through KSO: |
| * write bit 0 & read back until |
| * both bits 0(kso bit) & 1 (dev on status) are set |
| */ |
| cmp_val = SBSDIO_FUNC1_SLEEPCSR_KSO_MASK | SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK; |
| bmask = cmp_val; |
| |
| #if defined(NDIS) |
| /* XXX Windows Host controller hangs if chip still sleeps before read. |
| * So during a wake we write 0x1 for 5 msec to guarantee that chip is a wake. |
| */ |
| for (int i = 0; i < KSO_WAKE_RETRY_COUNT; i++) { |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, |
| wr_val, &err); |
| OSL_DELAY(KSO_WAIT_US); |
| } |
| |
| rd_val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, &err); |
| if (((rd_val & bmask) != cmp_val) || err) { |
| /* Sdio Bus Failure - Bus hang */ |
| DHD_ERROR(("%s> op:%s, ERROR: SDIO Bus Hang, rd_val:%x, ERR:%x \n", |
| __FUNCTION__, "KSO_SET", rd_val, err)); |
| } |
| #else |
| OSL_SLEEP(3); |
| #endif /* defined(NDIS) */ |
| |
| } else { |
| /* Put device to sleep, turn off KSO */ |
| cmp_val = 0; |
| /* XXX only check for bit0, bit1(devon status) may not get cleared right away */ |
| bmask = SBSDIO_FUNC1_SLEEPCSR_KSO_MASK; |
| } |
| #if !defined(NDIS) |
| /* XXX We can't use polling in Windows since Windows Host controller |
| * hangs if chip is a sleep during read or write. |
| */ |
| |
| do { |
| /* |
| * XXX reliable KSO bit set/clr: |
| * the sdiod sleep write access appears to be is synced to PMU 32khz clk |
| * just one write attempt may fail,(same is with read ?) |
| * in any case, read it back until it matches written value |
| */ |
| rd_val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, &err); |
| if (((rd_val & bmask) == cmp_val) && !err) |
| break; |
| |
| KSO_DBG(("%s> KSO wr/rd retry:%d, ERR:%x \n", __FUNCTION__, try_cnt, err)); |
| |
| if (((try_cnt + 1) % KSO_SLEEP_RETRY_COUNT) == 0) { |
| OSL_SLEEP(KSO_WAIT_MS); |
| } else |
| OSL_DELAY(KSO_WAIT_US); |
| |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, wr_val, &err); |
| } while (try_cnt++ < CUSTOM_MAX_KSO_ATTEMPTS); |
| |
| if (try_cnt > 2) |
| KSO_DBG(("%s> op:%s, try_cnt:%d, rd_val:%x, ERR:%x \n", |
| __FUNCTION__, (on ? "KSO_SET" : "KSO_CLR"), try_cnt, rd_val, err)); |
| |
| if (try_cnt > CUSTOM_MAX_KSO_ATTEMPTS) { |
| DHD_ERROR(("%s> op:%s, ERROR: try_cnt:%d, rd_val:%x, ERR:%x \n", |
| __FUNCTION__, (on ? "KSO_SET" : "KSO_CLR"), try_cnt, rd_val, err)); |
| } |
| #endif /* !defined(NDIS) */ |
| |
| return err; |
| } |
| |
| static int |
| dhdsdio_clk_kso_iovar(dhd_bus_t *bus, bool on) |
| { |
| int err = 0; |
| |
| if (on == FALSE) { |
| |
| BUS_WAKE(bus); |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| DHD_ERROR(("%s: KSO disable clk: 0x%x\n", __FUNCTION__, |
| bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, |
| SBSDIO_FUNC1_CHIPCLKCSR, &err))); |
| dhdsdio_clk_kso_enab(bus, FALSE); |
| } else { |
| DHD_ERROR(("%s: KSO enable\n", __FUNCTION__)); |
| |
| /* Make sure we have SD bus access */ |
| if (bus->clkstate == CLK_NONE) { |
| DHD_ERROR(("%s: Request SD clk\n", __FUNCTION__)); |
| dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); |
| } |
| |
| dhdsdio_clk_kso_enab(bus, TRUE); |
| |
| DHD_ERROR(("%s: sleepcsr: 0x%x\n", __FUNCTION__, |
| dhdsdio_sleepcsr_get(bus))); |
| } |
| |
| bus->kso = on; |
| BCM_REFERENCE(err); |
| |
| return 0; |
| } |
| |
| static uint8 |
| dhdsdio_sleepcsr_get(dhd_bus_t *bus) |
| { |
| int err = 0; |
| uint8 val = 0; |
| |
| val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SLEEPCSR, &err); |
| /* XXX: Propagate error */ |
| if (err) |
| DHD_TRACE(("Failed to read SLEEPCSR: %d\n", err)); |
| |
| return val; |
| } |
| |
| uint8 |
| dhdsdio_devcap_get(dhd_bus_t *bus) |
| { |
| return bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_BRCM_CARDCAP, NULL); |
| } |
| |
| static int |
| dhdsdio_devcap_set(dhd_bus_t *bus, uint8 cap) |
| { |
| int err = 0; |
| |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_BRCM_CARDCAP, cap, &err); |
| if (err) |
| DHD_ERROR(("%s: devcap set err: 0x%x\n", __FUNCTION__, err)); |
| |
| return 0; |
| } |
| |
| static int |
| dhdsdio_clk_devsleep_iovar(dhd_bus_t *bus, bool on) |
| { |
| int err = 0, retry; |
| uint8 val; |
| |
| retry = 0; |
| if (on == TRUE) { |
| /* Enter Sleep */ |
| |
| /* Be sure we request clk before going to sleep |
| * so we can wake-up with clk request already set |
| * else device can go back to sleep immediately |
| */ |
| if (!SLPAUTO_ENAB(bus)) |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| else { |
| /* XXX: Check if Host cleared clock request |
| * XXX: With CMD14, Host does not need to explicitly toggle clock requests |
| * XXX: Just keep clock request active and use CMD14 to enter/exit sleep |
| */ |
| val = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, &err); |
| if ((val & SBSDIO_CSR_MASK) == 0) { |
| DHD_ERROR(("%s: No clock before enter sleep:0x%x\n", |
| __FUNCTION__, val)); |
| |
| /* Reset clock request */ |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, |
| SBSDIO_ALP_AVAIL_REQ, &err); |
| DHD_ERROR(("%s: clock before sleep:0x%x\n", __FUNCTION__, |
| bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, |
| SBSDIO_FUNC1_CHIPCLKCSR, &err))); |
| } |
| } |
| |
| DHD_TRACE(("%s: clk before sleep: 0x%x\n", __FUNCTION__, |
| bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, |
| SBSDIO_FUNC1_CHIPCLKCSR, &err))); |
| #ifdef USE_CMD14 |
| err = bcmsdh_sleep(bus->sdh, TRUE); |
| #else |
| if ((SLPAUTO_ENAB(bus)) && (bus->idleclock == DHD_IDLE_STOP)) { |
| if (sd1idle) { |
| /* Change to SD1 mode */ |
| dhdsdio_set_sdmode(bus, 1); |
| } |
| } |
| |
| err = dhdsdio_clk_kso_enab(bus, FALSE); |
| if (OOB_WAKEUP_ENAB(bus)) |
| { |
| #if !defined(NDIS) |
| err = bcmsdh_gpioout(bus->sdh, GPIO_DEV_WAKEUP, FALSE); /* GPIO_1 is off */ |
| #endif /* !defined(NDIS) */ |
| } |
| #endif /* USE_CMD14 */ |
| |
| if ((SLPAUTO_ENAB(bus)) && (bus->idleclock != DHD_IDLE_ACTIVE)) { |
| DHD_TRACE(("%s: Turnoff SD clk\n", __FUNCTION__)); |
| /* Now remove the SD clock */ |
| err = dhdsdio_sdclk(bus, FALSE); |
| } |
| } else { |
| /* Exit Sleep */ |
| /* Make sure we have SD bus access */ |
| if (bus->clkstate == CLK_NONE) { |
| DHD_TRACE(("%s: Request SD clk\n", __FUNCTION__)); |
| dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); |
| } |
| #ifdef USE_CMD14 |
| err = bcmsdh_sleep(bus->sdh, FALSE); |
| if (SLPAUTO_ENAB(bus) && (err != 0)) { |
| /* XXX: CMD14 exit sleep is failing somehow |
| * XXX: Is Host out of sync with device? |
| * XXX: Try toggling the reverse |
| */ |
| OSL_DELAY(10000); |
| DHD_TRACE(("%s: Resync device sleep\n", __FUNCTION__)); |
| |
| /* Toggle sleep to resync with host and device */ |
| err = bcmsdh_sleep(bus->sdh, TRUE); |
| OSL_DELAY(10000); |
| err = bcmsdh_sleep(bus->sdh, FALSE); |
| |
| /* XXX: Ugly hack for host-device out-of-sync while testing |
| * XXX: Need to root-cause |
| */ |
| if (err) { |
| /* XXX: Host and device out-of-sync */ |
| OSL_DELAY(10000); |
| DHD_ERROR(("%s: CMD14 exit failed again!\n", __FUNCTION__)); |
| |
| /* Toggle sleep to resync with host and device */ |
| err = bcmsdh_sleep(bus->sdh, TRUE); |
| OSL_DELAY(10000); |
| err = bcmsdh_sleep(bus->sdh, FALSE); |
| if (err) { |
| /* XXX: Give up and assumed it has exited sleep |
| * XXX: Device probably dead at this point |
| * XXX: So far only happens with SR |
| */ |
| DHD_ERROR(("%s: CMD14 exit failed twice!\n", __FUNCTION__)); |
| DHD_ERROR(("%s: FATAL: Device non-response!\n", |
| __FUNCTION__)); |
| err = 0; |
| } |
| } |
| } |
| #else |
| if (OOB_WAKEUP_ENAB(bus)) |
| { |
| #if !defined(NDIS) |
| err = bcmsdh_gpioout(bus->sdh, GPIO_DEV_WAKEUP, TRUE); /* GPIO_1 is on */ |
| #endif /* !defined(NDIS) */ |
| } |
| /* PR 101351: sdiod_aos sleep followed by immediate wakeup |
| * before sdiod_aos takes over has a problem. |
| * Set KSO after ExitSleep. |
| */ |
| do { |
| err = dhdsdio_clk_kso_enab(bus, TRUE); |
| if (err) |
| OSL_SLEEP(10); |
| } while ((err != 0) && (++retry < 3)); |
| |
| if (err != 0) { |
| DHD_ERROR(("ERROR: kso set failed retry: %d\n", retry)); |
| #ifndef BT_OVER_SDIO |
| err = 0; /* continue anyway */ |
| #endif /* BT_OVER_SDIO */ |
| } |
| |
| if ((SLPAUTO_ENAB(bus)) && (bus->idleclock == DHD_IDLE_STOP)) { |
| dhdsdio_set_sdmode(bus, bus->sd_mode); |
| } |
| #endif /* !USE_CMD14 */ |
| |
| if (err == 0) { |
| uint8 csr; |
| |
| /* Wait for device ready during transition to wake-up */ |
| SPINWAIT_SLEEP(sdioh_spinwait_sleep, |
| (((csr = dhdsdio_sleepcsr_get(bus)) & |
| SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK) != |
| (SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK)), (20000)); |
| |
| DHD_TRACE(("%s: ExitSleep sleepcsr: 0x%x\n", __FUNCTION__, csr)); |
| |
| if (!(csr & SBSDIO_FUNC1_SLEEPCSR_DEVON_MASK)) { |
| DHD_ERROR(("%s:ERROR: ExitSleep device NOT Ready! 0x%x\n", |
| __FUNCTION__, csr)); |
| err = BCME_NODEVICE; |
| } |
| |
| /* PR 101351: sdiod_aos sleep followed by immediate wakeup |
| * before sdiod_aos takes over has a problem. |
| */ |
| SPINWAIT_SLEEP(sdioh_spinwait_sleep, |
| (((csr = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, |
| SBSDIO_FUNC1_CHIPCLKCSR, &err)) & SBSDIO_HT_AVAIL) != |
| (SBSDIO_HT_AVAIL)), (DHD_WAIT_HTAVAIL)); |
| |
| DHD_TRACE(("%s: SBSDIO_FUNC1_CHIPCLKCSR : 0x%x\n", __FUNCTION__, csr)); |
| if (!err && ((csr & SBSDIO_HT_AVAIL) != SBSDIO_HT_AVAIL)) { |
| DHD_ERROR(("%s:ERROR: device NOT Ready! 0x%x\n", |
| __FUNCTION__, csr)); |
| err = BCME_NODEVICE; |
| } |
| } |
| } |
| |
| /* Update if successful */ |
| if (err == 0) |
| bus->kso = on ? FALSE : TRUE; |
| else { |
| DHD_ERROR(("%s: Sleep request failed: kso:%d on:%d err:%d\n", |
| __FUNCTION__, bus->kso, on, err)); |
| if (!on && retry > 2) |
| bus->kso = FALSE; |
| } |
| |
| return err; |
| } |
| |
| /* Turn backplane clock on or off */ |
| static int |
| dhdsdio_htclk(dhd_bus_t *bus, bool on, bool pendok) |
| { |
| #define HT_AVAIL_ERROR_MAX 10 |
| static int ht_avail_error = 0; |
| int err; |
| uint8 clkctl, clkreq, devctl; |
| bcmsdh_info_t *sdh; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| clkctl = 0; |
| sdh = bus->sdh; |
| |
| if (!KSO_ENAB(bus)) |
| return BCME_OK; |
| |
| if (SLPAUTO_ENAB(bus)) { |
| bus->clkstate = (on ? CLK_AVAIL : CLK_SDONLY); |
| return BCME_OK; |
| } |
| |
| if (on) { |
| /* Request HT Avail */ |
| clkreq = bus->alp_only ? SBSDIO_ALP_AVAIL_REQ : SBSDIO_HT_AVAIL_REQ; |
| |
| #ifdef BCMSPI |
| dhdsdio_wkwlan(bus, TRUE); |
| #endif /* BCMSPI */ |
| |
| /* XXX Should be able to early-exit if pendok && PENDING */ |
| |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, clkreq, &err); |
| if (err) { |
| ht_avail_error++; |
| if (ht_avail_error < HT_AVAIL_ERROR_MAX) { |
| DHD_ERROR(("%s: HT Avail request error: %d\n", __FUNCTION__, err)); |
| } |
| |
| else if (ht_avail_error == HT_AVAIL_ERROR_MAX) { |
| bus->dhd->hang_reason = HANG_REASON_HT_AVAIL_ERROR; |
| dhd_os_send_hang_message(bus->dhd); |
| } |
| return BCME_ERROR; |
| } else { |
| ht_avail_error = 0; |
| } |
| |
| /* Check current status */ |
| clkctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, &err); |
| if (err) { |
| DHD_ERROR(("%s: HT Avail read error: %d\n", __FUNCTION__, err)); |
| return BCME_ERROR; |
| } |
| |
| #if !defined(OOB_INTR_ONLY) |
| /* Go to pending and await interrupt if appropriate */ |
| if (!SBSDIO_CLKAV(clkctl, bus->alp_only) && pendok) { |
| /* Allow only clock-available interrupt */ |
| devctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, &err); |
| if (err) { |
| DHD_ERROR(("%s: Devctl access error setting CA: %d\n", |
| __FUNCTION__, err)); |
| return BCME_ERROR; |
| } |
| |
| devctl |= SBSDIO_DEVCTL_CA_INT_ONLY; |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, devctl, &err); |
| DHD_INFO(("CLKCTL: set PENDING\n")); |
| bus->clkstate = CLK_PENDING; |
| return BCME_OK; |
| } else |
| #endif /* !defined (OOB_INTR_ONLY) */ |
| { |
| if (bus->clkstate == CLK_PENDING) { |
| /* Cancel CA-only interrupt filter */ |
| devctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, &err); |
| devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, devctl, &err); |
| } |
| } |
| #ifndef BCMSDIOLITE |
| /* Otherwise, wait here (polling) for HT Avail */ |
| if (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { |
| SPINWAIT_SLEEP(sdioh_spinwait_sleep, |
| ((clkctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, |
| SBSDIO_FUNC1_CHIPCLKCSR, &err)), |
| !SBSDIO_CLKAV(clkctl, bus->alp_only)), PMU_MAX_TRANSITION_DLY); |
| } |
| if (err) { |
| DHD_ERROR(("%s: HT Avail request error: %d\n", __FUNCTION__, err)); |
| return BCME_ERROR; |
| } |
| if (!SBSDIO_CLKAV(clkctl, bus->alp_only)) { |
| DHD_ERROR(("%s: HT Avail timeout (%d): clkctl 0x%02x\n", |
| __FUNCTION__, PMU_MAX_TRANSITION_DLY, clkctl)); |
| return BCME_ERROR; |
| } |
| #endif /* BCMSDIOLITE */ |
| /* Mark clock available */ |
| bus->clkstate = CLK_AVAIL; |
| DHD_INFO(("CLKCTL: turned ON\n")); |
| |
| #if defined(DHD_DEBUG) |
| if (bus->alp_only == TRUE) { |
| #if !defined(BCMLXSDMMC) |
| /* XXX For the SDMMC Driver stack, if DHD was unloaded, |
| * the chip is not completely reset, so in this case, |
| * the PMU may already be programmed to allow HT clock. |
| */ |
| if (!SBSDIO_ALPONLY(clkctl)) { |
| DHD_ERROR(("%s: HT Clock, when ALP Only\n", __FUNCTION__)); |
| } |
| #endif /* !defined(BCMLXSDMMC) */ |
| } else { |
| if (SBSDIO_ALPONLY(clkctl)) { |
| DHD_ERROR(("%s: HT Clock should be on.\n", __FUNCTION__)); |
| } |
| } |
| #endif /* defined (DHD_DEBUG) */ |
| |
| bus->activity = TRUE; |
| #ifdef DHD_USE_IDLECOUNT |
| bus->idlecount = 0; |
| #endif /* DHD_USE_IDLECOUNT */ |
| } else { |
| clkreq = 0; |
| |
| if (bus->clkstate == CLK_PENDING) { |
| /* Cancel CA-only interrupt filter */ |
| devctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, &err); |
| devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, devctl, &err); |
| } |
| |
| bus->clkstate = CLK_SDONLY; |
| if (!SR_ENAB(bus)) { |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, clkreq, &err); |
| DHD_INFO(("CLKCTL: turned OFF\n")); |
| if (err) { |
| DHD_ERROR(("%s: Failed access turning clock off: %d\n", |
| __FUNCTION__, err)); |
| return BCME_ERROR; |
| } |
| } |
| #ifdef BCMSPI |
| dhdsdio_wkwlan(bus, FALSE); |
| #endif /* BCMSPI */ |
| } |
| return BCME_OK; |
| } |
| |
| /* Change SD1/SD4 bus mode */ |
| static int |
| dhdsdio_set_sdmode(dhd_bus_t *bus, int32 sd_mode) |
| { |
| int err; |
| |
| err = bcmsdh_iovar_op(bus->sdh, "sd_mode", NULL, 0, |
| &sd_mode, sizeof(sd_mode), TRUE); |
| if (err) { |
| DHD_ERROR(("%s: error changing sd_mode: %d\n", |
| __FUNCTION__, err)); |
| return BCME_ERROR; |
| } |
| return BCME_OK; |
| } |
| |
| /* Change idle/active SD state */ |
| static int |
| dhdsdio_sdclk(dhd_bus_t *bus, bool on) |
| { |
| #ifndef BCMSPI |
| int err; |
| int32 iovalue; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| if (on) { |
| if (bus->idleclock == DHD_IDLE_STOP) { |
| /* Turn on clock and restore mode */ |
| iovalue = 1; |
| err = bcmsdh_iovar_op(bus->sdh, "sd_clock", NULL, 0, |
| &iovalue, sizeof(iovalue), TRUE); |
| if (err) { |
| DHD_ERROR(("%s: error enabling sd_clock: %d\n", |
| __FUNCTION__, err)); |
| return BCME_ERROR; |
| } |
| |
| } else if (bus->idleclock != DHD_IDLE_ACTIVE) { |
| /* Restore clock speed */ |
| iovalue = bus->sd_divisor; |
| err = bcmsdh_iovar_op(bus->sdh, "sd_divisor", NULL, 0, |
| &iovalue, sizeof(iovalue), TRUE); |
| if (err) { |
| DHD_ERROR(("%s: error restoring sd_divisor: %d\n", |
| __FUNCTION__, err)); |
| return BCME_ERROR; |
| } |
| } |
| bus->clkstate = CLK_SDONLY; |
| } else { |
| /* Stop or slow the SD clock itself */ |
| if ((bus->sd_divisor == -1) || (bus->sd_mode == -1)) { |
| DHD_TRACE(("%s: can't idle clock, divisor %d mode %d\n", |
| __FUNCTION__, bus->sd_divisor, bus->sd_mode)); |
| return BCME_ERROR; |
| } |
| if (bus->idleclock == DHD_IDLE_STOP) { |
| iovalue = 0; |
| err = bcmsdh_iovar_op(bus->sdh, "sd_clock", NULL, 0, |
| &iovalue, sizeof(iovalue), TRUE); |
| if (err) { |
| DHD_ERROR(("%s: error disabling sd_clock: %d\n", |
| __FUNCTION__, err)); |
| return BCME_ERROR; |
| } |
| } else if (bus->idleclock != DHD_IDLE_ACTIVE) { |
| /* Set divisor to idle value */ |
| iovalue = bus->idleclock; |
| err = bcmsdh_iovar_op(bus->sdh, "sd_divisor", NULL, 0, |
| &iovalue, sizeof(iovalue), TRUE); |
| if (err) { |
| DHD_ERROR(("%s: error changing sd_divisor: %d\n", |
| __FUNCTION__, err)); |
| return BCME_ERROR; |
| } |
| } |
| bus->clkstate = CLK_NONE; |
| } |
| #endif /* BCMSPI */ |
| |
| return BCME_OK; |
| } |
| |
| /* Transition SD and backplane clock readiness */ |
| static int |
| dhdsdio_clkctl(dhd_bus_t *bus, uint target, bool pendok) |
| { |
| int ret = BCME_OK; |
| #ifdef DHD_DEBUG |
| uint oldstate = bus->clkstate; |
| #endif /* DHD_DEBUG */ |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| /* Early exit if we're already there */ |
| if (bus->clkstate == target) { |
| if (target == CLK_AVAIL) { |
| dhd_os_wd_timer(bus->dhd, dhd_watchdog_ms); |
| bus->activity = TRUE; |
| #ifdef DHD_USE_IDLECOUNT |
| bus->idlecount = 0; |
| #endif /* DHD_USE_IDLECOUNT */ |
| } |
| return ret; |
| } |
| |
| switch (target) { |
| case CLK_AVAIL: |
| /* Make sure SD clock is available */ |
| if (bus->clkstate == CLK_NONE) |
| dhdsdio_sdclk(bus, TRUE); |
| /* Now request HT Avail on the backplane */ |
| ret = dhdsdio_htclk(bus, TRUE, pendok); |
| if (ret == BCME_OK) { |
| dhd_os_wd_timer(bus->dhd, dhd_watchdog_ms); |
| bus->activity = TRUE; |
| #ifdef DHD_USE_IDLECOUNT |
| bus->idlecount = 0; |
| #endif /* DHD_USE_IDLECOUNT */ |
| } |
| break; |
| |
| case CLK_SDONLY: |
| |
| #ifdef BT_OVER_SDIO |
| /* |
| * If the request is to switch off Back plane clock, |
| * confirm that BT is inactive before doing so. |
| * If this call had come from Non Watchdog context any way |
| * the Watchdog would switch off the clock again when |
| * nothing is to be done & Bt has finished using the bus. |
| */ |
| if (bus->bt_use_count != 0) { |
| DHD_INFO(("%s(): Req CLK_SDONLY, BT is active %d not switching off \r\n", |
| __FUNCTION__, bus->bt_use_count)); |
| ret = BCME_OK; |
| dhd_os_wd_timer(bus->dhd, dhd_watchdog_ms); |
| break; |
| } |
| |
| DHD_INFO(("%s(): Request CLK_NONE BT is NOT active switching off \r\n", |
| __FUNCTION__)); |
| #endif /* BT_OVER_SDIO */ |
| |
| /* Remove HT request, or bring up SD clock */ |
| if (bus->clkstate == CLK_NONE) |
| ret = dhdsdio_sdclk(bus, TRUE); |
| else if (bus->clkstate == CLK_AVAIL) |
| ret = dhdsdio_htclk(bus, FALSE, FALSE); |
| else |
| DHD_ERROR(("dhdsdio_clkctl: request for %d -> %d\n", |
| bus->clkstate, target)); |
| if (ret == BCME_OK) { |
| dhd_os_wd_timer(bus->dhd, dhd_watchdog_ms); |
| } |
| break; |
| |
| case CLK_NONE: |
| |
| #ifdef BT_OVER_SDIO |
| /* |
| * If the request is to switch off Back plane clock, |
| * confirm that BT is inactive before doing so. |
| * If this call had come from Non Watchdog context any way |
| * the Watchdog would switch off the clock again when |
| * nothing is to be done & Bt has finished using the bus. |
| */ |
| if (bus->bt_use_count != 0) { |
| DHD_INFO(("%s(): Request CLK_NONE BT is active %d not switching off \r\n", |
| __FUNCTION__, bus->bt_use_count)); |
| ret = BCME_OK; |
| break; |
| } |
| |
| DHD_INFO(("%s(): Request CLK_NONE BT is NOT active switching off \r\n", |
| __FUNCTION__)); |
| #endif /* BT_OVER_SDIO */ |
| |
| /* Make sure to remove HT request */ |
| if (bus->clkstate == CLK_AVAIL) |
| ret = dhdsdio_htclk(bus, FALSE, FALSE); |
| /* Now remove the SD clock */ |
| ret = dhdsdio_sdclk(bus, FALSE); |
| #ifdef DHD_DEBUG |
| if (bus->dhd->dhd_console_ms == 0) |
| #endif /* DHD_DEBUG */ |
| if (bus->poll == 0) |
| dhd_os_wd_timer(bus->dhd, 0); |
| break; |
| } |
| #ifdef DHD_DEBUG |
| DHD_INFO(("dhdsdio_clkctl: %d -> %d\n", oldstate, bus->clkstate)); |
| #endif /* DHD_DEBUG */ |
| |
| return ret; |
| } |
| |
| static int |
| dhdsdio_bussleep(dhd_bus_t *bus, bool sleep) |
| { |
| int err = 0; |
| bcmsdh_info_t *sdh = bus->sdh; |
| sdpcmd_regs_t *regs = bus->regs; |
| uint retries = 0; |
| #if defined(BCMSDIOH_STD) |
| uint32 sd3_tuning_disable = FALSE; |
| #endif /* BCMSDIOH_STD */ |
| |
| DHD_INFO(("dhdsdio_bussleep: request %s (currently %s)\n", |
| (sleep ? "SLEEP" : "WAKE"), |
| (bus->sleeping ? "SLEEP" : "WAKE"))); |
| |
| if (bus->dhd->hang_was_sent) |
| return BCME_ERROR; |
| |
| /* Done if we're already in the requested state */ |
| if (sleep == bus->sleeping) |
| return BCME_OK; |
| |
| /* Going to sleep: set the alarm and turn off the lights... */ |
| if (sleep) { |
| /* Don't sleep if something is pending */ |
| #ifdef DHD_USE_IDLECOUNT |
| if (bus->dpc_sched || bus->rxskip || pktq_n_pkts_tot(&bus->txq) || |
| bus->readframes || bus->ctrl_frame_stat) |
| #else |
| if (bus->dpc_sched || bus->rxskip || pktq_n_pkts_tot(&bus->txq)) |
| #endif /* DHD_USE_IDLECOUNT */ |
| return BCME_BUSY; |
| |
| #ifdef BT_OVER_SDIO |
| /* |
| * The following is the assumption based on which the hook is placed. |
| * From WLAN driver, either from the active contexts OR from the Watchdog contexts |
| * we will be attempting to Go to Sleep. AT that moment if we see that BT is still |
| * actively using the bus, we will return BCME_BUSY from here, but the bus->sleeping |
| * state would not have changed. So the caller can then schedule the Watchdog again |
| * which will come and attempt to sleep at a later point. |
| * |
| * In case if BT is the only one and is the last user, we don't switch off the clock |
| * immediately, we allow the WLAN to decide when to sleep i.e from the watchdog. |
| * Now if the watchdog becomes active and attempts to switch off the clock and if |
| * another WLAN context is active they are any way serialized with sdlock. |
| */ |
| if (bus->bt_use_count != 0) { |
| DHD_INFO(("%s(): Cannot sleep BT is active \r\n", __FUNCTION__)); |
| return BCME_BUSY; |
| } |
| #endif /* !BT_OVER_SDIO */ |
| |
| /* XXX Is it an error to sleep when not in data state? */ |
| |
| if (!SLPAUTO_ENAB(bus)) { |
| /* Disable SDIO interrupts (no longer interested) */ |
| bcmsdh_intr_disable(bus->sdh); |
| |
| /* Make sure the controller has the bus up */ |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| /* Tell device to start using OOB wakeup */ |
| W_SDREG(SMB_USE_OOB, ®s->tosbmailbox, retries); |
| if (retries > retry_limit) |
| DHD_ERROR(("CANNOT SIGNAL CHIP, WILL NOT WAKE UP!!\n")); |
| |
| /* Turn off our contribution to the HT clock request */ |
| dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); |
| |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, |
| SBSDIO_FORCE_HW_CLKREQ_OFF, NULL); |
| |
| /* Isolate the bus */ |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, |
| SBSDIO_DEVCTL_PADS_ISO, NULL); |
| } else { |
| /* Leave interrupts enabled since device can exit sleep and |
| * interrupt host |
| */ |
| err = dhdsdio_clk_devsleep_iovar(bus, TRUE /* sleep */); |
| } |
| |
| /* Change state */ |
| bus->sleeping = TRUE; |
| #if defined(BCMSDIOH_STD) |
| sd3_tuning_disable = TRUE; |
| err = bcmsdh_iovar_op(bus->sdh, "sd3_tuning_disable", NULL, 0, |
| &sd3_tuning_disable, sizeof(sd3_tuning_disable), TRUE); |
| #endif /* BCMSDIOH_STD */ |
| #if defined(LINUX) && defined(SUPPORT_P2P_GO_PS) |
| wake_up(&bus->bus_sleep); |
| #endif /* LINUX && SUPPORT_P2P_GO_PS */ |
| /* XXX Should be able to turn off clock and power */ |
| /* XXX Make sure GPIO interrupt input is enabled */ |
| } else { |
| /* Waking up: bus power up is ok, set local state */ |
| |
| if (!SLPAUTO_ENAB(bus)) { |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, 0, &err); |
| |
| /* Force pad isolation off if possible (in case power never toggled) */ |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, 0, NULL); |
| |
| /* XXX Make sure GPIO interrupt input is disabled */ |
| /* XXX Should be able to turn on power and clock */ |
| |
| /* Make sure the controller has the bus up */ |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| /* Send misc interrupt to indicate OOB not needed */ |
| W_SDREG(0, ®s->tosbmailboxdata, retries); |
| if (retries <= retry_limit) |
| W_SDREG(SMB_DEV_INT, ®s->tosbmailbox, retries); |
| |
| if (retries > retry_limit) |
| DHD_ERROR(("CANNOT SIGNAL CHIP TO CLEAR OOB!!\n")); |
| |
| /* Make sure we have SD bus access */ |
| dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); |
| |
| /* Enable interrupts again */ |
| if (bus->intr && (bus->dhd->busstate == DHD_BUS_DATA)) { |
| bus->intdis = FALSE; |
| bcmsdh_intr_enable(bus->sdh); |
| } |
| } else { |
| err = dhdsdio_clk_devsleep_iovar(bus, FALSE /* wake */); |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) |
| if (err < 0) { |
| struct net_device *net = NULL; |
| dhd_pub_t *dhd = bus->dhd; |
| net = dhd_idx2net(dhd, 0); |
| if (net != NULL) { |
| DHD_ERROR(("<< WIFI HANG by KSO Enabled failure\n")); |
| dhd_os_sdunlock(dhd); |
| net_os_send_hang_message(net); |
| dhd_os_sdlock(dhd); |
| } else { |
| DHD_ERROR(("<< WIFI HANG Fail because net is NULL\n")); |
| } |
| } |
| #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27) && OEM_ANDROID */ |
| } |
| |
| if (err == 0) { |
| /* Change state */ |
| bus->sleeping = FALSE; |
| #if defined(BCMSDIOH_STD) |
| sd3_tuning_disable = FALSE; |
| err = bcmsdh_iovar_op(bus->sdh, "sd3_tuning_disable", NULL, 0, |
| &sd3_tuning_disable, sizeof(sd3_tuning_disable), TRUE); |
| #endif /* BCMSDIOH_STD */ |
| } |
| } |
| |
| return err; |
| } |
| |
| #ifdef BT_OVER_SDIO |
| /* |
| * Call this function to Get the Clock running. |
| * Assumes that the caller holds the sdlock. |
| * bus - Pointer to the dhd_bus handle |
| * can_wait - TRUE if the caller can wait until the clock becomes ready |
| * FALSE if the caller cannot wait |
| */ |
| int __dhdsdio_clk_enable(struct dhd_bus *bus, bus_owner_t owner, int can_wait) |
| { |
| int ret = BCME_ERROR; |
| |
| BCM_REFERENCE(owner); |
| |
| bus->bt_use_count++; |
| |
| /* |
| * We can call BUS_WAKE, clkctl multiple times, both of the items |
| * have states and if its already ON, no new configuration is done |
| */ |
| |
| /* Wake up the Dongle FW from SR */ |
| BUS_WAKE(bus); |
| |
| /* |
| * Make sure back plane ht clk is on |
| * CLK_AVAIL - Turn On both SD & HT clock |
| */ |
| ret = dhdsdio_clkctl(bus, CLK_AVAIL, can_wait); |
| |
| DHD_INFO(("%s():bt_use_count %d \r\n", __FUNCTION__, |
| bus->bt_use_count)); |
| return ret; |
| } |
| |
| /* |
| * Call this function to relinquish the Clock. |
| * Assumes that the caller holds the sdlock. |
| * bus - Pointer to the dhd_bus handle |
| * can_wait - TRUE if the caller can wait until the clock becomes ready |
| * FALSE if the caller cannot wait |
| */ |
| int __dhdsdio_clk_disable(struct dhd_bus *bus, bus_owner_t owner, int can_wait) |
| { |
| int ret = BCME_ERROR; |
| |
| BCM_REFERENCE(owner); |
| BCM_REFERENCE(can_wait); |
| |
| if (bus->bt_use_count == 0) { |
| DHD_ERROR(("%s(): Clocks are already turned off \r\n", |
| __FUNCTION__)); |
| return ret; |
| } |
| |
| bus->bt_use_count--; |
| |
| /* |
| * When the SDIO Bus is shared between BT & WLAN, we turn Off the clock |
| * once the last user has relinqushed the same. But there are two schemes |
| * in that too. We consider WLAN as the bus master (even if its not |
| * active). Even when the WLAN is OFF the DHD Watchdog is active. |
| * So this Bus Watchdog is the context whill put the Bus to sleep. |
| * Refer dhd_bus_watchdog function |
| */ |
| |
| ret = BCME_OK; |
| DHD_INFO(("%s():bt_use_count %d \r\n", __FUNCTION__, |
| bus->bt_use_count)); |
| return ret; |
| } |
| |
| void dhdsdio_reset_bt_use_count(struct dhd_bus *bus) |
| { |
| /* reset bt use count */ |
| bus->bt_use_count = 0; |
| } |
| #endif /* BT_OVER_SDIO */ |
| |
| #ifdef USE_DYNAMIC_F2_BLKSIZE |
| int dhdsdio_func_blocksize(dhd_pub_t *dhd, int function_num, int block_size) |
| { |
| int func_blk_size = function_num; |
| int bcmerr = 0; |
| int result; |
| |
| bcmerr = dhd_bus_iovar_op(dhd, "sd_blocksize", &func_blk_size, |
| sizeof(int), &result, sizeof(int), IOV_GET); |
| |
| if (bcmerr != BCME_OK) { |
| DHD_ERROR(("%s: Get F%d Block size error\n", __FUNCTION__, function_num)); |
| return BCME_ERROR; |
| } |
| |
| if (result != block_size) { |
| DHD_TRACE_HW4(("%s: F%d Block size set from %d to %d\n", |
| __FUNCTION__, function_num, result, block_size)); |
| func_blk_size = function_num << 16 | block_size; |
| bcmerr = dhd_bus_iovar_op(dhd, "sd_blocksize", NULL, |
| 0, &func_blk_size, sizeof(int32), IOV_SET); |
| if (bcmerr != BCME_OK) { |
| DHD_ERROR(("%s: Set F2 Block size error\n", __FUNCTION__)); |
| return BCME_ERROR; |
| } |
| } |
| |
| return BCME_OK; |
| } |
| #endif /* USE_DYNAMIC_F2_BLKSIZE */ |
| |
| void |
| dhd_enable_oob_intr(struct dhd_bus *bus, bool enable) |
| { |
| bcmsdh_intr_enable(bus->sdh); |
| } |
| |
| int |
| dhd_bus_txdata(struct dhd_bus *bus, void *pkt) |
| { |
| int ret = BCME_ERROR; |
| osl_t *osh; |
| uint datalen, prec; |
| #if defined(DHD_TX_DUMP) |
| uint8 *dump_data; |
| #endif /* DHD_TX_DUMP */ |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| osh = bus->dhd->osh; |
| datalen = PKTLEN(osh, pkt); |
| |
| #ifdef SDTEST |
| /* Push the test header if doing loopback */ |
| if (bus->ext_loop) { |
| uint8* data; |
| PKTPUSH(osh, pkt, SDPCM_TEST_HDRLEN); |
| data = PKTDATA(osh, pkt); |
| *data++ = SDPCM_TEST_ECHOREQ; |
| *data++ = (uint8)bus->loopid++; |
| *data++ = (datalen >> 0); |
| *data++ = (datalen >> 8); |
| datalen += SDPCM_TEST_HDRLEN; |
| } |
| #else /* SDTEST */ |
| BCM_REFERENCE(datalen); |
| #endif /* SDTEST */ |
| |
| #if defined(DHD_TX_DUMP) && defined(DHD_TX_FULL_DUMP) |
| dump_data = PKTDATA(osh, pkt); |
| dump_data += 4; /* skip 4 bytes header */ |
| { |
| int i; |
| DHD_ERROR(("TX DUMP\n")); |
| |
| for (i = 0; i < (datalen - 4); i++) { |
| DHD_ERROR(("%02X ", dump_data[i])); |
| if ((i & 15) == 15) |
| printk("\n"); |
| } |
| DHD_ERROR(("\n")); |
| } |
| #endif /* DHD_TX_DUMP && DHD_TX_FULL_DUMP */ |
| |
| prec = PRIO2PREC((PKTPRIO(pkt) & PRIOMASK)); |
| |
| /* Check for existing queue, current flow-control, pending event, or pending clock */ |
| if (dhd_deferred_tx || bus->fcstate || pktq_n_pkts_tot(&bus->txq) || bus->dpc_sched || |
| (!DATAOK(bus)) || (bus->flowcontrol & NBITVAL(prec)) || |
| (bus->clkstate != CLK_AVAIL)) { |
| bool deq_ret; |
| int pkq_len; |
| |
| DHD_TRACE(("%s: deferring pktq len %d\n", __FUNCTION__, |
| pktq_n_pkts_tot(&bus->txq))); |
| bus->fcqueued++; |
| |
| /* Priority based enq */ |
| dhd_os_sdlock_txq(bus->dhd); |
| deq_ret = dhd_prec_enq(bus->dhd, &bus->txq, pkt, prec); |
| dhd_os_sdunlock_txq(bus->dhd); |
| |
| if (!deq_ret) { |
| #ifdef PROP_TXSTATUS |
| if (DHD_PKTTAG_WLFCPKT(PKTTAG(pkt)) == 0) |
| #endif /* PROP_TXSTATUS */ |
| { |
| #ifdef DHDTCPACK_SUPPRESS |
| if (dhd_tcpack_check_xmit(bus->dhd, pkt) == BCME_ERROR) { |
| DHD_ERROR(("%s %d: tcpack_suppress ERROR!!! Stop using\n", |
| __FUNCTION__, __LINE__)); |
| dhd_tcpack_suppress_set(bus->dhd, TCPACK_SUP_OFF); |
| } |
| #endif /* DHDTCPACK_SUPPRESS */ |
| dhd_txcomplete(bus->dhd, pkt, FALSE); |
| PKTFREE(osh, pkt, TRUE); /* XXX update counter */ |
| } |
| ret = BCME_NORESOURCE; |
| } else |
| ret = BCME_OK; |
| |
| /* XXX Possible race since check and action are not locked? */ |
| dhd_os_sdlock_txq(bus->dhd); |
| pkq_len = pktq_n_pkts_tot(&bus->txq); |
| dhd_os_sdunlock_txq(bus->dhd); |
| if (pkq_len >= FCHI) { |
| bool wlfc_enabled = FALSE; |
| #ifdef PROP_TXSTATUS |
| wlfc_enabled = (dhd_wlfc_flowcontrol(bus->dhd, ON, FALSE) != |
| WLFC_UNSUPPORTED); |
| #endif |
| if (!wlfc_enabled && dhd_doflow) { |
| dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, ON); |
| } |
| } |
| |
| #ifdef DHD_DEBUG |
| dhd_os_sdlock_txq(bus->dhd); |
| if (pktqprec_n_pkts(&bus->txq, prec) > qcount[prec]) |
| qcount[prec] = pktqprec_n_pkts(&bus->txq, prec); |
| dhd_os_sdunlock_txq(bus->dhd); |
| #endif |
| |
| /* Schedule DPC if needed to send queued packet(s) */ |
| /* XXX Also here, since other deferral conditions may no longer hold? */ |
| if (dhd_deferred_tx && !bus->dpc_sched) { |
| bus->dpc_sched = TRUE; |
| dhd_sched_dpc(bus->dhd); |
| } |
| } else { |
| int chan = SDPCM_DATA_CHANNEL; |
| |
| #ifdef SDTEST |
| chan = (bus->ext_loop ? SDPCM_TEST_CHANNEL : SDPCM_DATA_CHANNEL); |
| #endif |
| /* Lock: we're about to use shared data/code (and SDIO) */ |
| dhd_os_sdlock(bus->dhd); |
| |
| /* Otherwise, send it now */ |
| BUS_WAKE(bus); |
| /* Make sure back plane ht clk is on, no pending allowed */ |
| dhdsdio_clkctl(bus, CLK_AVAIL, TRUE); |
| |
| ret = dhdsdio_txpkt(bus, chan, &pkt, 1, TRUE); |
| |
| if (ret != BCME_OK) |
| bus->dhd->tx_errors++; |
| else |
| bus->dhd->dstats.tx_bytes += datalen; |
| |
| if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched && |
| NO_OTHER_ACTIVE_BUS_USER(bus)) { |
| bus->activity = FALSE; |
| dhdsdio_bussleep(bus, TRUE); |
| dhdsdio_clkctl(bus, CLK_NONE, FALSE); |
| } |
| |
| dhd_os_sdunlock(bus->dhd); |
| } |
| |
| return ret; |
| } |
| |
| /* align packet data pointer and packet length to n-byte boundary, process packet headers, |
| * a new packet may be allocated if there is not enough head and/or tail from for padding. |
| * the caller is responsible for updating the glom size in the head packet (when glom is |
| * used) |
| * |
| * pad_pkt_len: returns the length of extra padding needed from the padding packet, this parameter |
| * is taken in tx glom mode only |
| * |
| * new_pkt: out, pointer of the new packet allocated due to insufficient head room for alignment |
| * padding, NULL if not needed, the caller is responsible for freeing the new packet |
| * |
| * return: positive value - length of the packet, including head and tail padding |
| * negative value - errors |
| */ |
| static int dhdsdio_txpkt_preprocess(dhd_bus_t *bus, void *pkt, int chan, int txseq, |
| int prev_chain_total_len, bool last_chained_pkt, |
| int *pad_pkt_len, void **new_pkt) |
| { |
| osl_t *osh; |
| uint8 *frame; |
| int pkt_len; |
| int modulo; |
| int head_padding; |
| int tail_padding = 0; |
| uint32 swheader; |
| uint32 swhdr_offset; |
| bool alloc_new_pkt = FALSE; |
| uint8 sdpcm_hdrlen = bus->txglom_enable ? SDPCM_HDRLEN_TXGLOM : SDPCM_HDRLEN; |
| |
| *new_pkt = NULL; |
| osh = bus->dhd->osh; |
| |
| #ifdef DHDTCPACK_SUPPRESS |
| if (dhd_tcpack_check_xmit(bus->dhd, pkt) == BCME_ERROR) { |
| DHD_ERROR(("%s %d: tcpack_suppress ERROR!!! Stop using it\n", |
| __FUNCTION__, __LINE__)); |
| dhd_tcpack_suppress_set(bus->dhd, TCPACK_SUP_OFF); |
| } |
| #endif /* DHDTCPACK_SUPPRESS */ |
| |
| /* Add space for the SDPCM hardware/software headers */ |
| PKTPUSH(osh, pkt, sdpcm_hdrlen); |
| ASSERT(ISALIGNED((uintptr)PKTDATA(osh, pkt), 2)); |
| |
| frame = (uint8*)PKTDATA(osh, pkt); |
| pkt_len = (uint16)PKTLEN(osh, pkt); |
| |
| #ifdef DHD_DEBUG |
| if (PKTPRIO(pkt) < ARRAYSIZE(tx_packets)) |
| tx_packets[PKTPRIO(pkt)]++; |
| #endif /* DHD_DEBUG */ |
| |
| /* align the data pointer, allocate a new packet if there is not enough space (new |
| * packet data pointer will be aligned thus no padding will be needed) |
| */ |
| head_padding = (uintptr)frame % DHD_SDALIGN; |
| if (PKTHEADROOM(osh, pkt) < head_padding) { |
| head_padding = 0; |
| alloc_new_pkt = TRUE; |
| } else { |
| uint cur_chain_total_len; |
| int chain_tail_padding = 0; |
| |
| /* All packets need to be aligned by DHD_SDALIGN */ |
| modulo = (pkt_len + head_padding) % DHD_SDALIGN; |
| tail_padding = modulo > 0 ? (DHD_SDALIGN - modulo) : 0; |
| |
| /* Total pkt chain length needs to be aligned by block size, |
| * unless it is a single pkt chain with total length less than one block size, |
| * which we prefer sending by byte mode. |
| * |
| * Do the chain alignment here if |
| * 1. This is the last pkt of the chain of multiple pkts or a single pkt. |
| * 2-1. This chain is of multiple pkts, or |
| * 2-2. This is a single pkt whose size is longer than one block size. |
| */ |
| cur_chain_total_len = prev_chain_total_len + |
| (head_padding + pkt_len + tail_padding); |
| if (last_chained_pkt && bus->blocksize != 0 && |
| (cur_chain_total_len > (int)bus->blocksize || prev_chain_total_len > 0)) { |
| modulo = cur_chain_total_len % bus->blocksize; |
| chain_tail_padding = modulo > 0 ? (bus->blocksize - modulo) : 0; |
| } |
| |
| #ifdef DHDENABLE_TAILPAD |
| if (PKTTAILROOM(osh, pkt) < tail_padding) { |
| /* We don't have tail room to align by DHD_SDALIGN */ |
| alloc_new_pkt = TRUE; |
| bus->tx_tailpad_pktget++; |
| } else if (PKTTAILROOM(osh, pkt) < tail_padding + chain_tail_padding) { |
| /* We have tail room for tail_padding of this pkt itself, but not for |
| * total pkt chain alignment by block size. |
| * Use the padding packet to avoid memory copy if applicable, |
| * otherwise, just allocate a new pkt. |
| */ |
| if (bus->pad_pkt) { |
| *pad_pkt_len = chain_tail_padding; |
| bus->tx_tailpad_chain++; |
| } else { |
| alloc_new_pkt = TRUE; |
| bus->tx_tailpad_pktget++; |
| } |
| } else |
| /* This last pkt's tailroom is sufficient to hold both tail_padding |
| * of the pkt itself and chain_tail_padding of total pkt chain |
| */ |
| #endif /* DHDENABLE_TAILPAD */ |
| tail_padding += chain_tail_padding; |
| } |
| |
| DHD_INFO(("%s sdhdr len + orig_pkt_len %d h_pad %d t_pad %d pad_pkt_len %d\n", |
| __FUNCTION__, pkt_len, head_padding, tail_padding, *pad_pkt_len)); |
| |
| if (alloc_new_pkt) { |
| void *tmp_pkt; |
| int newpkt_size; |
| int cur_total_len; |
| |
| ASSERT(*pad_pkt_len == 0); |
| |
| DHD_INFO(("%s allocating new packet for padding\n", __FUNCTION__)); |
| |
| /* head pointer is aligned now, no padding needed */ |
| head_padding = 0; |
| |
| /* update the tail padding as it depends on the head padding, since a new packet is |
| * allocated, the head padding is non longer needed and packet length is chagned |
| */ |
| |
| cur_total_len = prev_chain_total_len + pkt_len; |
| if (last_chained_pkt && bus->blocksize != 0 && |
| (cur_total_len > (int)bus->blocksize || prev_chain_total_len > 0)) { |
| modulo = cur_total_len % bus->blocksize; |
| tail_padding = modulo > 0 ? (bus->blocksize - modulo) : 0; |
| } else { |
| modulo = pkt_len % DHD_SDALIGN; |
| tail_padding = modulo > 0 ? (DHD_SDALIGN - modulo) : 0; |
| } |
| |
| newpkt_size = PKTLEN(osh, pkt) + bus->blocksize + DHD_SDALIGN; |
| bus->dhd->tx_realloc++; |
| tmp_pkt = PKTGET(osh, newpkt_size, TRUE); |
| if (tmp_pkt == NULL) { |
| DHD_ERROR(("failed to alloc new %d byte packet\n", newpkt_size)); |
| return BCME_NOMEM; |
| } |
| PKTALIGN(osh, tmp_pkt, PKTLEN(osh, pkt), DHD_SDALIGN); |
| bcopy(PKTDATA(osh, pkt), PKTDATA(osh, tmp_pkt), PKTLEN(osh, pkt)); |
| *new_pkt = tmp_pkt; |
| pkt = tmp_pkt; |
| } |
| |
| if (head_padding) |
| PKTPUSH(osh, pkt, head_padding); |
| |
| frame = (uint8*)PKTDATA(osh, pkt); |
| bzero(frame, head_padding + sdpcm_hdrlen); |
| pkt_len = (uint16)PKTLEN(osh, pkt); |
| |
| /* the header has the followming format |
| * 4-byte HW frame tag: length, ~length (for glom this is the total length) |
| * |
| * 8-byte HW extesion flags (glom mode only) as the following: |
| * 2-byte packet length, excluding HW tag and padding |
| * 2-byte frame channel and frame flags (e.g. next frame following) |
| * 2-byte header length |
| * 2-byte tail padding size |
| * |
| * 8-byte SW frame tags as the following |
| * 4-byte flags: host tx seq, channel, data offset |
| * 4-byte flags: TBD |
| */ |
| |
| swhdr_offset = SDPCM_FRAMETAG_LEN; |
| |
| /* hardware frame tag: |
| * |
| * in tx-glom mode, dongle only checks the hardware frame tag in the first |
| * packet and sees it as the total lenght of the glom (including tail padding), |
| * for each packet in the glom, the packet length needs to be updated, (see |
| * below PKTSETLEN) |
| * |
| * in non tx-glom mode, PKTLEN still need to include tail padding as to be |
| * referred to in sdioh_request_buffer(). The tail length will be excluded in |
| * dhdsdio_txpkt_postprocess(). |
| */ |
| *(uint16*)frame = (uint16)htol16(pkt_len); |
| *(((uint16*)frame) + 1) = (uint16)htol16(~pkt_len); |
| pkt_len += tail_padding; |
| |
| /* hardware extesion flags */ |
| if (bus->txglom_enable) { |
| uint32 hwheader1; |
| uint32 hwheader2; |
| |
| swhdr_offset += SDPCM_HWEXT_LEN; |
| hwheader1 = (pkt_len - SDPCM_FRAMETAG_LEN - tail_padding) | |
| (last_chained_pkt << 24); |
| hwheader2 = (tail_padding) << 16; |
| htol32_ua_store(hwheader1, frame + SDPCM_FRAMETAG_LEN); |
| htol32_ua_store(hwheader2, frame + SDPCM_FRAMETAG_LEN + 4); |
| } |
| PKTSETLEN((osh), (pkt), (pkt_len)); |
| |
| /* software frame tags */ |
| swheader = ((chan << SDPCM_CHANNEL_SHIFT) & SDPCM_CHANNEL_MASK) |
| | (txseq % SDPCM_SEQUENCE_WRAP) | |
| (((head_padding + sdpcm_hdrlen) << SDPCM_DOFFSET_SHIFT) & SDPCM_DOFFSET_MASK); |
| htol32_ua_store(swheader, frame + swhdr_offset); |
| htol32_ua_store(0, frame + swhdr_offset + sizeof(swheader)); |
| |
| return pkt_len; |
| } |
| |
| static int dhdsdio_txpkt_postprocess(dhd_bus_t *bus, void *pkt) |
| { |
| osl_t *osh; |
| uint8 *frame; |
| int data_offset; |
| int tail_padding; |
| int swhdr_offset = SDPCM_FRAMETAG_LEN + (bus->txglom_enable ? SDPCM_HWEXT_LEN : 0); |
| |
| (void)osh; |
| osh = bus->dhd->osh; |
| |
| /* restore pkt buffer pointer, but keeps the header pushed by dhd_prot_hdrpush */ |
| frame = (uint8*)PKTDATA(osh, pkt); |
| |
| DHD_INFO(("%s PKTLEN before postprocess %d", |
| __FUNCTION__, PKTLEN(osh, pkt))); |
| |
| /* PKTLEN still includes tail_padding, so exclude it. |
| * We shall have head_padding + original pkt_len for PKTLEN afterwards. |
| */ |
| if (bus->txglom_enable) { |
| /* txglom pkts have tail_padding length in HW ext header */ |
| tail_padding = ltoh32_ua(frame + SDPCM_FRAMETAG_LEN + 4) >> 16; |
| PKTSETLEN(osh, pkt, PKTLEN(osh, pkt) - tail_padding); |
| DHD_INFO((" txglom pkt: tail_padding %d PKTLEN %d\n", |
| tail_padding, PKTLEN(osh, pkt))); |
| } else { |
| /* non-txglom pkts have head_padding + original pkt length in HW frame tag. |
| * We cannot refer to this field for txglom pkts as the first pkt of the chain will |
| * have the field for the total length of the chain. |
| */ |
| PKTSETLEN(osh, pkt, *(uint16*)frame); |
| DHD_INFO((" non-txglom pkt: HW frame tag len %d after PKTLEN %d\n", |
| *(uint16*)frame, PKTLEN(osh, pkt))); |
| } |
| |
| data_offset = ltoh32_ua(frame + swhdr_offset); |
| data_offset = (data_offset & SDPCM_DOFFSET_MASK) >> SDPCM_DOFFSET_SHIFT; |
| /* Get rid of sdpcm header + head_padding */ |
| PKTPULL(osh, pkt, data_offset); |
| |
| DHD_INFO(("%s data_offset %d, PKTLEN %d\n", |
| __FUNCTION__, data_offset, PKTLEN(osh, pkt))); |
| |
| return BCME_OK; |
| } |
| |
| static int dhdsdio_txpkt(dhd_bus_t *bus, uint chan, void** pkts, int num_pkt, bool free_pkt) |
| { |
| int i; |
| int ret = 0; |
| osl_t *osh; |
| bcmsdh_info_t *sdh; |
| void *pkt = NULL; |
| void *pkt_chain; |
| int total_len = 0; |
| void *head_pkt = NULL; |
| void *prev_pkt = NULL; |
| int pad_pkt_len = 0; |
| int new_pkt_num = 0; |
| void *new_pkts[MAX_TX_PKTCHAIN_CNT]; |
| bool wlfc_enabled = FALSE; |
| |
| if (bus->dhd->dongle_reset) |
| return BCME_NOTREADY; |
| |
| if (num_pkt <= 0) |
| return BCME_BADARG; |
| |
| sdh = bus->sdh; |
| osh = bus->dhd->osh; |
| /* init new_pkts[0] to make some compiler happy, not necessary as we check new_pkt_num */ |
| new_pkts[0] = NULL; |
| |
| for (i = 0; i < num_pkt; i++) { |
| int pkt_len; |
| bool last_pkt; |
| void *new_pkt = NULL; |
| |
| pkt = pkts[i]; |
| ASSERT(pkt); |
| last_pkt = (i == num_pkt - 1); |
| pkt_len = dhdsdio_txpkt_preprocess(bus, pkt, chan, bus->tx_seq + i, |
| total_len, last_pkt, &pad_pkt_len, &new_pkt); |
| if (pkt_len <= 0) |
| goto done; |
| if (new_pkt) { |
| pkt = new_pkt; |
| new_pkts[new_pkt_num++] = new_pkt; |
| } |
| total_len += pkt_len; |
| |
| PKTSETNEXT(osh, pkt, NULL); |
| /* insert the packet into the list */ |
| head_pkt ? PKTSETNEXT(osh, prev_pkt, pkt) : (head_pkt = pkt); |
| prev_pkt = pkt; |
| |
| } |
| |
| /* Update the HW frame tag (total length) in the first pkt of the glom */ |
| if (bus->txglom_enable) { |
| uint8 *frame; |
| |
| total_len += pad_pkt_len; |
| frame = (uint8*)PKTDATA(osh, head_pkt); |
| *(uint16*)frame = (uint16)htol16(total_len); |
| *(((uint16*)frame) + 1) = (uint16)htol16(~total_len); |
| |
| } |
| |
| #ifdef DHDENABLE_TAILPAD |
| /* if a padding packet if needed, insert it to the end of the link list */ |
| if (pad_pkt_len) { |
| PKTSETLEN(osh, bus->pad_pkt, pad_pkt_len); |
| PKTSETNEXT(osh, pkt, bus->pad_pkt); |
| } |
| #endif /* DHDENABLE_TAILPAD */ |
| |
| /* dhd_bcmsdh_send_buf ignores the buffer pointer if he packet |
| * parameter is not NULL, for non packet chian we pass NULL pkt pointer |
| * so it will take the aligned length and buffer pointer. |
| */ |
| pkt_chain = PKTNEXT(osh, head_pkt) ? head_pkt : NULL; |
| ret = dhd_bcmsdh_send_buf(bus, bcmsdh_cur_sbwad(sdh), SDIO_FUNC_2, F2SYNC, |
| PKTDATA(osh, head_pkt), total_len, pkt_chain, NULL, NULL, TXRETRIES); |
| if (ret == BCME_OK) |
| bus->tx_seq = (bus->tx_seq + num_pkt) % SDPCM_SEQUENCE_WRAP; |
| |
| /* if a padding packet was needed, remove it from the link list as it not a data pkt */ |
| if (pad_pkt_len && pkt) |
| PKTSETNEXT(osh, pkt, NULL); |
| |
| done: |
| pkt = head_pkt; |
| while (pkt) { |
| void *pkt_next = PKTNEXT(osh, pkt); |
| PKTSETNEXT(osh, pkt, NULL); |
| dhdsdio_txpkt_postprocess(bus, pkt); |
| pkt = pkt_next; |
| } |
| |
| /* new packets might be allocated due to insufficient room for padding, but we |
| * still have to indicate the original packets to upper layer |
| */ |
| for (i = 0; i < num_pkt; i++) { |
| pkt = pkts[i]; |
| wlfc_enabled = FALSE; |
| #ifdef PROP_TXSTATUS |
| if (DHD_PKTTAG_WLFCPKT(PKTTAG(pkt))) { |
| wlfc_enabled = (dhd_wlfc_txcomplete(bus->dhd, pkt, ret == 0) != |
| WLFC_UNSUPPORTED); |
| } |
| #endif /* PROP_TXSTATUS */ |
| if (!wlfc_enabled) { |
| PKTSETNEXT(osh, pkt, NULL); |
| dhd_txcomplete(bus->dhd, pkt, ret != 0); |
| if (free_pkt) |
| PKTFREE(osh, pkt, TRUE); |
| } |
| } |
| |
| for (i = 0; i < new_pkt_num; i++) |
| PKTFREE(osh, new_pkts[i], TRUE); |
| |
| return ret; |
| } |
| |
| static uint |
| dhdsdio_sendfromq(dhd_bus_t *bus, uint maxframes) |
| { |
| uint cnt = 0; |
| uint8 tx_prec_map; |
| uint16 txpktqlen = 0; |
| uint32 intstatus = 0; |
| uint retries = 0; |
| osl_t *osh; |
| uint datalen = 0; |
| dhd_pub_t *dhd = bus->dhd; |
| sdpcmd_regs_t *regs = bus->regs; |
| #ifdef DHD_LOSSLESS_ROAMING |
| uint8 *pktdata; |
| struct ether_header *eh; |
| #ifdef BDC |
| struct bdc_header *bdc_header; |
| uint8 data_offset; |
| #endif |
| #endif /* DHD_LOSSLESS_ROAMING */ |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| if (!KSO_ENAB(bus)) { |
| DHD_ERROR(("%s: Device asleep\n", __FUNCTION__)); |
| return BCME_NODEVICE; |
| } |
| |
| osh = dhd->osh; |
| tx_prec_map = ~bus->flowcontrol; |
| #ifdef DHD_LOSSLESS_ROAMING |
| tx_prec_map &= dhd->dequeue_prec_map; |
| #endif /* DHD_LOSSLESS_ROAMING */ |
| for (cnt = 0; (cnt < maxframes) && DATAOK(bus);) { |
| int i; |
| int num_pkt = 1; |
| void *pkts[MAX_TX_PKTCHAIN_CNT]; |
| int prec_out; |
| |
| dhd_os_sdlock_txq(bus->dhd); |
| if (bus->txglom_enable) { |
| uint32 glomlimit = (uint32)bus->txglomsize; |
| #if defined(BCMSDIOH_STD) |
| if (bus->blocksize == 64) { |
| glomlimit = MIN((uint32)bus->txglomsize, BLK_64_MAXTXGLOM); |
| } |
| #endif /* BCMSDIOH_STD */ |
| num_pkt = MIN((uint32)DATABUFCNT(bus), glomlimit); |
| num_pkt = MIN(num_pkt, ARRAYSIZE(pkts)); |
| } |
| num_pkt = MIN(num_pkt, pktq_mlen(&bus->txq, tx_prec_map)); |
| for (i = 0; i < num_pkt; i++) { |
| pkts[i] = pktq_mdeq(&bus->txq, tx_prec_map, &prec_out); |
| if (!pkts[i]) { |
| DHD_ERROR(("%s: pktq_mlen non-zero when no pkt\n", |
| __FUNCTION__)); |
| ASSERT(0); |
| break; |
| } |
| #ifdef DHD_LOSSLESS_ROAMING |
| pktdata = (uint8 *)PKTDATA(osh, pkts[i]); |
| #ifdef BDC |
| /* Skip BDC header */ |
| bdc_header = (struct bdc_header *)pktdata; |
| data_offset = bdc_header->dataOffset; |
| pktdata += BDC_HEADER_LEN + (data_offset << 2); |
| #endif |
| eh = (struct ether_header *)pktdata; |
| if (eh->ether_type == hton16(ETHER_TYPE_802_1X)) { |
| uint8 prio = (uint8)PKTPRIO(pkts[i]); |
| |
| /* Restore to original priority for 802.1X packet */ |
| if (prio == PRIO_8021D_NC) { |
| PKTSETPRIO(pkts[i], dhd->prio_8021x); |
| #ifdef BDC |
| /* Restore to original priority in BDC header */ |
| bdc_header->priority = |
| (dhd->prio_8021x & BDC_PRIORITY_MASK); |
| #endif |
| } |
| } |
| #endif /* DHD_LOSSLESS_ROAMING */ |
| PKTORPHAN(pkts[i]); |
| datalen += PKTLEN(osh, pkts[i]); |
| } |
| dhd_os_sdunlock_txq(bus->dhd); |
| |
| if (i == 0) |
| break; |
| if (dhdsdio_txpkt(bus, SDPCM_DATA_CHANNEL, pkts, i, TRUE) != BCME_OK) |
| dhd->tx_errors++; |
| else |
| dhd->dstats.tx_bytes += datalen; |
| cnt += i; |
| |
| /* In poll mode, need to check for other events */ |
| if (!bus->intr && cnt) |
| { |
| /* Check device status, signal pending interrupt */ |
| R_SDREG(intstatus, ®s->intstatus, retries); |
| bus->f2txdata++; |
| if (bcmsdh_regfail(bus->sdh)) |
| break; |
| if (intstatus & bus->hostintmask) |
| bus->ipend = TRUE; |
| } |
| |
| } |
| |
| dhd_os_sdlock_txq(bus->dhd); |
| txpktqlen = pktq_n_pkts_tot(&bus->txq); |
| dhd_os_sdunlock_txq(bus->dhd); |
| |
| /* Do flow-control if needed */ |
| if (dhd->up && (dhd->busstate == DHD_BUS_DATA) && (txpktqlen < FCLOW)) { |
| bool wlfc_enabled = FALSE; |
| #ifdef PROP_TXSTATUS |
| wlfc_enabled = (dhd_wlfc_flowcontrol(dhd, OFF, TRUE) != WLFC_UNSUPPORTED); |
| #endif |
| if (!wlfc_enabled && dhd_doflow && dhd->txoff) { |
| dhd_txflowcontrol(dhd, ALL_INTERFACES, OFF); |
| } |
| } |
| |
| return cnt; |
| } |
| |
| static void |
| dhdsdio_sendpendctl(dhd_bus_t *bus) |
| { |
| bcmsdh_info_t *sdh = bus->sdh; |
| int ret; |
| uint8* frame_seq = bus->ctrl_frame_buf + SDPCM_FRAMETAG_LEN; |
| |
| if (bus->txglom_enable) |
| frame_seq += SDPCM_HWEXT_LEN; |
| |
| if (*frame_seq != bus->tx_seq) { |
| DHD_INFO(("%s IOCTL frame seq lag detected!" |
| " frm_seq:%d != bus->tx_seq:%d, corrected\n", |
| __FUNCTION__, *frame_seq, bus->tx_seq)); |
| *frame_seq = bus->tx_seq; |
| } |
| |
| ret = dhd_bcmsdh_send_buf(bus, bcmsdh_cur_sbwad(sdh), SDIO_FUNC_2, F2SYNC, |
| (uint8 *)bus->ctrl_frame_buf, (uint32)bus->ctrl_frame_len, |
| NULL, NULL, NULL, 1); |
| if (ret == BCME_OK) |
| bus->tx_seq = (bus->tx_seq + 1) % SDPCM_SEQUENCE_WRAP; |
| |
| bus->ctrl_frame_stat = FALSE; |
| dhd_wait_event_wakeup(bus->dhd); |
| } |
| |
| int |
| dhd_bus_txctl(struct dhd_bus *bus, uchar *msg, uint msglen) |
| { |
| static int err_nodevice = 0; |
| uint8 *frame; |
| uint16 len; |
| uint32 swheader; |
| uint8 doff = 0; |
| int ret = -1; |
| uint8 sdpcm_hdrlen = bus->txglom_enable ? SDPCM_HDRLEN_TXGLOM : SDPCM_HDRLEN; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| if (bus->dhd->dongle_reset) |
| return -EIO; |
| |
| /* Back the pointer to make a room for bus header */ |
| frame = msg - sdpcm_hdrlen; |
| len = (msglen += sdpcm_hdrlen); |
| |
| /* Add alignment padding (optional for ctl frames) */ |
| if (dhd_alignctl) { |
| if ((doff = ((uintptr)frame % DHD_SDALIGN))) { |
| frame -= doff; |
| len += doff; |
| msglen += doff; |
| bzero(frame, doff + sdpcm_hdrlen); |
| } |
| ASSERT(doff < DHD_SDALIGN); |
| } |
| doff += sdpcm_hdrlen; |
| |
| #ifndef BCMSPI |
| /* Round send length to next SDIO block */ |
| if (bus->roundup && bus->blocksize && (len > bus->blocksize)) { |
| uint16 pad = bus->blocksize - (len % bus->blocksize); |
| if ((pad <= bus->roundup) && (pad < bus->blocksize)) |
| len += pad; |
| } else if (len % DHD_SDALIGN) { |
| len += DHD_SDALIGN - (len % DHD_SDALIGN); |
| } |
| #endif /* BCMSPI */ |
| |
| /* Satisfy length-alignment requirements */ |
| if (forcealign && (len & (ALIGNMENT - 1))) |
| len = ROUNDUP(len, ALIGNMENT); |
| |
| ASSERT(ISALIGNED((uintptr)frame, 2)); |
| |
| /* Need to lock here to protect txseq and SDIO tx calls */ |
| dhd_os_sdlock(bus->dhd); |
| |
| BUS_WAKE(bus); |
| |
| /* Make sure backplane clock is on */ |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| /* Hardware tag: 2 byte len followed by 2 byte ~len check (all LE) */ |
| *(uint16*)frame = htol16((uint16)msglen); |
| *(((uint16*)frame) + 1) = htol16(~msglen); |
| |
| if (bus->txglom_enable) { |
| uint32 hwheader1, hwheader2; |
| /* Software tag: channel, sequence number, data offset */ |
| swheader = ((SDPCM_CONTROL_CHANNEL << SDPCM_CHANNEL_SHIFT) & SDPCM_CHANNEL_MASK) |
| | bus->tx_seq |
| | ((doff << SDPCM_DOFFSET_SHIFT) & SDPCM_DOFFSET_MASK); |
| htol32_ua_store(swheader, frame + SDPCM_FRAMETAG_LEN + SDPCM_HWEXT_LEN); |
| htol32_ua_store(0, frame + SDPCM_FRAMETAG_LEN |
| + SDPCM_HWEXT_LEN + sizeof(swheader)); |
| |
| hwheader1 = (msglen - SDPCM_FRAMETAG_LEN) | (1 << 24); |
| hwheader2 = (len - (msglen)) << 16; |
| htol32_ua_store(hwheader1, frame + SDPCM_FRAMETAG_LEN); |
| htol32_ua_store(hwheader2, frame + SDPCM_FRAMETAG_LEN + 4); |
| |
| *(uint16*)frame = htol16(len); |
| *(((uint16*)frame) + 1) = htol16(~(len)); |
| } else { |
| /* Software tag: channel, sequence number, data offset */ |
| swheader = ((SDPCM_CONTROL_CHANNEL << SDPCM_CHANNEL_SHIFT) & SDPCM_CHANNEL_MASK) |
| | bus->tx_seq | ((doff << SDPCM_DOFFSET_SHIFT) & SDPCM_DOFFSET_MASK); |
| htol32_ua_store(swheader, frame + SDPCM_FRAMETAG_LEN); |
| htol32_ua_store(0, frame + SDPCM_FRAMETAG_LEN + sizeof(swheader)); |
| } |
| |
| if (!TXCTLOK(bus)) |
| { |
| DHD_INFO(("%s: No bus credit bus->tx_max %d, bus->tx_seq %d\n", |
| __FUNCTION__, bus->tx_max, bus->tx_seq)); |
| bus->ctrl_frame_stat = TRUE; |
| /* Send from dpc */ |
| bus->ctrl_frame_buf = frame; |
| bus->ctrl_frame_len = len; |
| |
| #if defined(NDIS) |
| dhd_os_sdunlock(bus->dhd); |
| dhd_wait_for_event(bus->dhd, &bus->ctrl_frame_stat); |
| dhd_os_sdlock(bus->dhd); |
| #else |
| if (!bus->dpc_sched) { |
| bus->dpc_sched = TRUE; |
| dhd_sched_dpc(bus->dhd); |
| } |
| if (bus->ctrl_frame_stat) { |
| dhd_wait_for_event(bus->dhd, &bus->ctrl_frame_stat); |
| } |
| #endif /* NDIS */ |
| |
| if (bus->ctrl_frame_stat == FALSE) { |
| DHD_INFO(("%s: ctrl_frame_stat == FALSE\n", __FUNCTION__)); |
| ret = 0; |
| } else { |
| bus->dhd->txcnt_timeout++; |
| if (!bus->dhd->hang_was_sent) { |
| #ifdef CUSTOMER_HW4_DEBUG |
| /* XXX Add Debug code for find root cause from CSP:565333 */ |
| uint32 status, retry = 0; |
| R_SDREG(status, &bus->regs->intstatus, retry); |
| DHD_TRACE_HW4(("%s: txcnt_timeout, INT status=0x%08X\n", |
| __FUNCTION__, status)); |
| DHD_TRACE_HW4(("%s : tx_max : %d, tx_seq : %d, clkstate : %d \n", |
| __FUNCTION__, bus->tx_max, bus->tx_seq, bus->clkstate)); |
| #endif /* CUSTOMER_HW4_DEBUG */ |
| DHD_ERROR(("%s: ctrl_frame_stat == TRUE txcnt_timeout=%d\n", |
| __FUNCTION__, bus->dhd->txcnt_timeout)); |
| } |
| #ifdef DHD_FW_COREDUMP |
| /* Collect socram dump */ |
| if ((bus->dhd->memdump_enabled) && |
| (bus->dhd->txcnt_timeout >= MAX_CNTL_TX_TIMEOUT)) { |
| /* collect core dump */ |
| bus->dhd->memdump_type = DUMP_TYPE_RESUMED_ON_TIMEOUT_TX; |
| dhd_os_sdunlock(bus->dhd); |
| dhd_bus_mem_dump(bus->dhd); |
| dhd_os_sdlock(bus->dhd); |
| } |
| #endif /* DHD_FW_COREDUMP */ |
| ret = -1; |
| bus->ctrl_frame_stat = FALSE; |
| goto done; |
| } |
| } |
| |
| bus->dhd->txcnt_timeout = 0; |
| bus->ctrl_frame_stat = TRUE; |
| |
| if (ret == -1) { |
| #ifdef DHD_DEBUG |
| if (DHD_BYTES_ON() && DHD_CTL_ON()) { |
| prhex("Tx Frame", frame, len); |
| } else if (DHD_HDRS_ON()) { |
| prhex("TxHdr", frame, MIN(len, 16)); |
| } |
| #endif |
| ret = dhd_bcmsdh_send_buffer(bus, frame, len); |
| } |
| bus->ctrl_frame_stat = FALSE; |
| |
| done: |
| if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched && |
| NO_OTHER_ACTIVE_BUS_USER(bus)) { |
| bus->activity = FALSE; |
| dhdsdio_bussleep(bus, TRUE); |
| dhdsdio_clkctl(bus, CLK_NONE, FALSE); |
| } |
| |
| dhd_os_sdunlock(bus->dhd); |
| |
| /* XXX Need to validate return code (ranges) */ |
| if (ret) |
| bus->dhd->tx_ctlerrs++; |
| else |
| bus->dhd->tx_ctlpkts++; |
| |
| if (bus->dhd->txcnt_timeout >= MAX_CNTL_TX_TIMEOUT) { |
| #ifdef DHD_PM_CONTROL_FROM_FILE |
| if (g_pm_control == TRUE) { |
| return -BCME_ERROR; |
| } else { |
| return -ETIMEDOUT; |
| } |
| #else |
| return -ETIMEDOUT; |
| #endif /* DHD_PM_CONTROL_FROM_FILE */ |
| } |
| if (ret == BCME_NODEVICE) |
| err_nodevice++; |
| else |
| err_nodevice = 0; |
| |
| return ret ? err_nodevice >= ERROR_BCME_NODEVICE_MAX ? -ETIMEDOUT : -EIO : 0; |
| } |
| |
| int |
| dhd_bus_rxctl(struct dhd_bus *bus, uchar *msg, uint msglen) |
| { |
| int timeleft; |
| uint rxlen = 0; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| if (bus->dhd->dongle_reset) |
| return -EIO; |
| |
| /* Wait until control frame is available */ |
| timeleft = dhd_os_ioctl_resp_wait(bus->dhd, &bus->rxlen); |
| |
| dhd_os_sdlock(bus->dhd); |
| rxlen = bus->rxlen; |
| bcopy(bus->rxctl, msg, MIN(msglen, rxlen)); |
| bus->rxlen = 0; |
| dhd_os_sdunlock(bus->dhd); |
| |
| if (rxlen) { |
| DHD_CTL(("%s: resumed on rxctl frame, got %d expected %d\n", |
| __FUNCTION__, rxlen, msglen)); |
| } else { |
| if (timeleft == 0) { |
| #ifdef DHD_DEBUG |
| uint32 status, retry = 0; |
| R_SDREG(status, &bus->regs->intstatus, retry); |
| DHD_ERROR(("%s: resumed on timeout, INT status=0x%08X\n", |
| __FUNCTION__, status)); |
| #else |
| DHD_ERROR(("%s: resumed on timeout\n", __FUNCTION__)); |
| #endif /* DHD_DEBUG */ |
| if (!bus->dhd->dongle_trap_occured) { |
| #ifdef DHD_FW_COREDUMP |
| bus->dhd->memdump_type = DUMP_TYPE_RESUMED_ON_TIMEOUT; |
| #endif /* DHD_FW_COREDUMP */ |
| dhd_os_sdlock(bus->dhd); |
| dhdsdio_checkdied(bus, NULL, 0); |
| dhd_os_sdunlock(bus->dhd); |
| } |
| } else { |
| DHD_CTL(("%s: resumed for unknown reason?\n", __FUNCTION__)); |
| if (!bus->dhd->dongle_trap_occured) { |
| #ifdef DHD_FW_COREDUMP |
| bus->dhd->memdump_type = DUMP_TYPE_RESUMED_UNKNOWN; |
| #endif /* DHD_FW_COREDUMP */ |
| dhd_os_sdlock(bus->dhd); |
| dhdsdio_checkdied(bus, NULL, 0); |
| dhd_os_sdunlock(bus->dhd); |
| } |
| } |
| #ifdef DHD_FW_COREDUMP |
| /* Dump the ram image */ |
| if (bus->dhd->memdump_enabled && !bus->dhd->dongle_trap_occured) |
| dhdsdio_mem_dump(bus); |
| #endif /* DHD_FW_COREDUMP */ |
| } |
| if (timeleft == 0) { |
| if (rxlen == 0) |
| bus->dhd->rxcnt_timeout++; |
| DHD_ERROR(("%s: rxcnt_timeout=%d, rxlen=%d\n", __FUNCTION__, |
| bus->dhd->rxcnt_timeout, rxlen)); |
| #ifdef DHD_FW_COREDUMP |
| /* collect socram dump */ |
| if (bus->dhd->memdump_enabled) { |
| bus->dhd->memdump_type = DUMP_TYPE_RESUMED_ON_TIMEOUT_RX; |
| dhd_bus_mem_dump(bus->dhd); |
| } |
| #endif /* DHD_FW_COREDUMP */ |
| } else { |
| bus->dhd->rxcnt_timeout = 0; |
| } |
| |
| if (rxlen) |
| bus->dhd->rx_ctlpkts++; |
| else |
| bus->dhd->rx_ctlerrs++; |
| |
| if (bus->dhd->rxcnt_timeout >= MAX_CNTL_RX_TIMEOUT) { |
| #ifdef DHD_PM_CONTROL_FROM_FILE |
| if (g_pm_control == TRUE) { |
| return -BCME_ERROR; |
| } else { |
| return -ETIMEDOUT; |
| } |
| #else |
| return -ETIMEDOUT; |
| #endif /* DHD_PM_CONTROL_FROM_FILE */ |
| } |
| if (bus->dhd->dongle_trap_occured) |
| return -EREMOTEIO; |
| |
| return rxlen ? (int)rxlen : -EIO; /* XXX Returns EIO error */ |
| } |
| |
| /* IOVar table */ |
| enum { |
| IOV_INTR = 1, |
| IOV_POLLRATE, |
| IOV_SDREG, |
| IOV_SBREG, |
| IOV_SDCIS, |
| IOV_RAMSIZE, |
| IOV_RAMSTART, |
| #ifdef DHD_DEBUG |
| IOV_CHECKDIED, |
| IOV_SERIALCONS, |
| #endif /* DHD_DEBUG */ |
| IOV_SET_DOWNLOAD_STATE, |
| IOV_SOCRAM_STATE, |
| IOV_FORCEEVEN, |
| IOV_SDIOD_DRIVE, |
| IOV_READAHEAD, |
| IOV_SDRXCHAIN, |
| IOV_ALIGNCTL, |
| IOV_SDALIGN, |
| IOV_DEVRESET, |
| IOV_CPU, |
| #if defined(USE_SDIOFIFO_IOVAR) |
| IOV_WATERMARK, |
| IOV_MESBUSYCTRL, |
| #endif /* USE_SDIOFIFO_IOVAR */ |
| #ifdef SDTEST |
| IOV_PKTGEN, |
| IOV_EXTLOOP, |
| #endif /* SDTEST */ |
| IOV_SPROM, |
| IOV_TXBOUND, |
| IOV_RXBOUND, |
| IOV_TXMINMAX, |
| IOV_IDLETIME, |
| IOV_IDLECLOCK, |
| IOV_SD1IDLE, |
| IOV_SLEEP, |
| IOV_DONGLEISOLATION, |
| IOV_KSO, |
| IOV_DEVSLEEP, |
| IOV_DEVCAP, |
| IOV_VARS, |
| #ifdef SOFTAP |
| IOV_FWPATH, |
| #endif |
| IOV_TXGLOMSIZE, |
| IOV_TXGLOMMODE, |
| IOV_HANGREPORT, |
| IOV_TXINRX_THRES, |
| IOV_SDIO_SUSPEND |
| #if defined(DEBUGGER) || defined(DHD_DSCOPE) |
| IOV_GDB_SERVER, /**< starts gdb server on given interface */ |
| #endif /* DEBUGGER || DHD_DSCOPE */ |
| }; |
| |
| const bcm_iovar_t dhdsdio_iovars[] = { |
| {"intr", IOV_INTR, 0, 0, IOVT_BOOL, 0 }, |
| {"sleep", IOV_SLEEP, 0, 0, IOVT_BOOL, 0 }, |
| {"pollrate", IOV_POLLRATE, 0, 0, IOVT_UINT32, 0 }, |
| {"idletime", IOV_IDLETIME, 0, 0, IOVT_INT32, 0 }, |
| {"idleclock", IOV_IDLECLOCK, 0, 0, IOVT_INT32, 0 }, |
| {"sd1idle", IOV_SD1IDLE, 0, 0, IOVT_BOOL, 0 }, |
| {"ramsize", IOV_RAMSIZE, 0, 0, IOVT_UINT32, 0 }, |
| {"ramstart", IOV_RAMSTART, 0, 0, IOVT_UINT32, 0 }, |
| {"dwnldstate", IOV_SET_DOWNLOAD_STATE, 0, 0, IOVT_BOOL, 0 }, |
| {"socram_state", IOV_SOCRAM_STATE, 0, 0, IOVT_BOOL, 0 }, |
| {"vars", IOV_VARS, 0, 0, IOVT_BUFFER, 0 }, |
| {"sdiod_drive", IOV_SDIOD_DRIVE, 0, 0, IOVT_UINT32, 0 }, |
| {"readahead", IOV_READAHEAD, 0, 0, IOVT_BOOL, 0 }, |
| {"sdrxchain", IOV_SDRXCHAIN, 0, 0, IOVT_BOOL, 0 }, |
| {"alignctl", IOV_ALIGNCTL, 0, 0, IOVT_BOOL, 0 }, |
| {"sdalign", IOV_SDALIGN, 0, 0, IOVT_BOOL, 0 }, |
| {"devreset", IOV_DEVRESET, 0, 0, IOVT_BOOL, 0 }, |
| #ifdef DHD_DEBUG |
| {"sdreg", IOV_SDREG, 0, 0, IOVT_BUFFER, sizeof(sdreg_t) }, |
| {"sbreg", IOV_SBREG, 0, 0, IOVT_BUFFER, sizeof(sdreg_t) }, |
| {"sd_cis", IOV_SDCIS, 0, 0, IOVT_BUFFER, DHD_IOCTL_MAXLEN }, |
| {"forcealign", IOV_FORCEEVEN, 0, 0, IOVT_BOOL, 0 }, |
| {"txbound", IOV_TXBOUND, 0, 0, IOVT_UINT32, 0 }, |
| {"rxbound", IOV_RXBOUND, 0, 0, IOVT_UINT32, 0 }, |
| {"txminmax", IOV_TXMINMAX, 0, 0, IOVT_UINT32, 0 }, |
| {"cpu", IOV_CPU, 0, 0, IOVT_BOOL, 0 }, |
| #ifdef DHD_DEBUG |
| {"checkdied", IOV_CHECKDIED, 0, 0, IOVT_BUFFER, 0 }, |
| {"serial", IOV_SERIALCONS, 0, 0, IOVT_UINT32, 0 }, |
| #endif /* DHD_DEBUG */ |
| #endif /* DHD_DEBUG */ |
| #if defined(DHD_SPROM) |
| {"sprom", IOV_SPROM, 0, 0, IOVT_BUFFER, 2 * sizeof(int) }, |
| #endif |
| #ifdef SDTEST |
| {"extloop", IOV_EXTLOOP, 0, 0, IOVT_BOOL, 0 }, |
| {"pktgen", IOV_PKTGEN, 0, 0, IOVT_BUFFER, sizeof(dhd_pktgen_t) }, |
| #endif /* SDTEST */ |
| #if defined(USE_SDIOFIFO_IOVAR) |
| {"watermark", IOV_WATERMARK, 0, 0, IOVT_UINT32, 0 }, |
| {"mesbusyctrl", IOV_MESBUSYCTRL, 0, 0, IOVT_UINT32, 0 }, |
| #endif /* USE_SDIOFIFO_IOVAR */ |
| {"devcap", IOV_DEVCAP, 0, 0, IOVT_UINT32, 0 }, |
| {"dngl_isolation", IOV_DONGLEISOLATION, 0, 0, IOVT_UINT32, 0 }, |
| {"kso", IOV_KSO, 0, 0, IOVT_UINT32, 0 }, |
| {"devsleep", IOV_DEVSLEEP, 0, 0, IOVT_UINT32, 0 }, |
| #ifdef SOFTAP |
| {"fwpath", IOV_FWPATH, 0, 0, IOVT_BUFFER, 0 }, |
| #endif |
| {"txglomsize", IOV_TXGLOMSIZE, 0, 0, IOVT_UINT32, 0 }, |
| {"fw_hang_report", IOV_HANGREPORT, 0, 0, IOVT_BOOL, 0 }, |
| {"txinrx_thres", IOV_TXINRX_THRES, 0, 0, IOVT_INT32, 0 }, |
| {"sdio_suspend", IOV_SDIO_SUSPEND, 0, 0, IOVT_UINT32, 0 }, |
| #if defined(DEBUGGER) || defined(DHD_DSCOPE) |
| {"gdb_server", IOV_GDB_SERVER, 0, 0, IOVT_UINT32, 0 }, |
| #endif /* DEBUGGER || DHD_DSCOPE */ |
| {NULL, 0, 0, 0, 0, 0 } |
| }; |
| |
| static void |
| dhd_dump_pct(struct bcmstrbuf *strbuf, char *desc, uint num, uint div) |
| { |
| uint q1, q2; |
| |
| if (!div) { |
| bcm_bprintf(strbuf, "%s N/A", desc); |
| } else { |
| q1 = num / div; |
| q2 = (100 * (num - (q1 * div))) / div; |
| bcm_bprintf(strbuf, "%s %d.%02d", desc, q1, q2); |
| } |
| } |
| |
| void |
| dhd_bus_dump(dhd_pub_t *dhdp, struct bcmstrbuf *strbuf) |
| { |
| dhd_bus_t *bus = dhdp->bus; |
| #if defined(DHD_WAKE_STATUS) && defined(DHD_WAKE_EVENT_STATUS) |
| int i; |
| #endif |
| |
| bcm_bprintf(strbuf, "Bus SDIO structure:\n"); |
| bcm_bprintf(strbuf, "hostintmask 0x%08x intstatus 0x%08x sdpcm_ver %d\n", |
| bus->hostintmask, bus->intstatus, bus->sdpcm_ver); |
| bcm_bprintf(strbuf, "fcstate %d qlen %u tx_seq %d, max %d, rxskip %d rxlen %u rx_seq %d\n", |
| bus->fcstate, pktq_n_pkts_tot(&bus->txq), bus->tx_seq, bus->tx_max, bus->rxskip, |
| bus->rxlen, bus->rx_seq); |
| bcm_bprintf(strbuf, "intr %d intrcount %u lastintrs %u spurious %u\n", |
| bus->intr, bus->intrcount, bus->lastintrs, bus->spurious); |
| |
| #ifdef DHD_WAKE_STATUS |
| bcm_bprintf(strbuf, "wake %u rxwake %u readctrlwake %u\n", |
| bcmsdh_get_total_wake(bus->sdh), bus->wake_counts.rxwake, |
| bus->wake_counts.rcwake); |
| #ifdef DHD_WAKE_RX_STATUS |
| bcm_bprintf(strbuf, " unicast %u multicast %u broadcast %u arp %u\n", |
| bus->wake_counts.rx_ucast, bus->wake_counts.rx_mcast, |
| bus->wake_counts.rx_bcast, bus->wake_counts.rx_arp); |
| bcm_bprintf(strbuf, " multi4 %u multi6 %u icmp %u icmp6 %u multiother %u\n", |
| bus->wake_counts.rx_multi_ipv4, bus->wake_counts.rx_multi_ipv6, |
| bus->wake_counts.rx_icmp, bus->wake_counts.rx_icmpv6, |
| bus->wake_counts.rx_multi_other); |
| bcm_bprintf(strbuf, " icmp6_ra %u, icmp6_na %u, icmp6_ns %u\n", |
| bus->wake_counts.rx_icmpv6_ra, bus->wake_counts.rx_icmpv6_na, |
| bus->wake_counts.rx_icmpv6_ns); |
| #endif /* DHD_WAKE_RX_STATUS */ |
| #ifdef DHD_WAKE_EVENT_STATUS |
| for (i = 0; i < WLC_E_LAST; i++) |
| if (bus->wake_counts.rc_event[i] != 0) |
| bcm_bprintf(strbuf, " %s = %u\n", bcmevent_get_name(i), |
| bus->wake_counts.rc_event[i]); |
| bcm_bprintf(strbuf, "\n"); |
| #endif /* DHD_WAKE_EVENT_STATUS */ |
| #endif /* DHD_WAKE_STATUS */ |
| |
| bcm_bprintf(strbuf, "pollrate %u pollcnt %u regfails %u\n", |
| bus->pollrate, bus->pollcnt, bus->regfails); |
| |
| bcm_bprintf(strbuf, "\nAdditional counters:\n"); |
| #ifdef DHDENABLE_TAILPAD |
| bcm_bprintf(strbuf, "tx_tailpad_chain %u tx_tailpad_pktget %u\n", |
| bus->tx_tailpad_chain, bus->tx_tailpad_pktget); |
| #endif /* DHDENABLE_TAILPAD */ |
| bcm_bprintf(strbuf, "tx_sderrs %u fcqueued %u rxrtx %u rx_toolong %u rxc_errors %u\n", |
| bus->tx_sderrs, bus->fcqueued, bus->rxrtx, bus->rx_toolong, |
| bus->rxc_errors); |
| bcm_bprintf(strbuf, "rx_hdrfail %u badhdr %u badseq %u\n", |
| bus->rx_hdrfail, bus->rx_badhdr, bus->rx_badseq); |
| bcm_bprintf(strbuf, "fc_rcvd %u, fc_xoff %u, fc_xon %u\n", |
| bus->fc_rcvd, bus->fc_xoff, bus->fc_xon); |
| bcm_bprintf(strbuf, "rxglomfail %u, rxglomframes %u, rxglompkts %u\n", |
| bus->rxglomfail, bus->rxglomframes, bus->rxglompkts); |
| bcm_bprintf(strbuf, "f2rx (hdrs/data) %u (%u/%u), f2tx %u f1regs %u\n", |
| (bus->f2rxhdrs + bus->f2rxdata), bus->f2rxhdrs, bus->f2rxdata, |
| bus->f2txdata, bus->f1regdata); |
| { |
| dhd_dump_pct(strbuf, "\nRx: pkts/f2rd", bus->dhd->rx_packets, |
| (bus->f2rxhdrs + bus->f2rxdata)); |
| dhd_dump_pct(strbuf, ", pkts/f1sd", bus->dhd->rx_packets, bus->f1regdata); |
| dhd_dump_pct(strbuf, ", pkts/sd", bus->dhd->rx_packets, |
| (bus->f2rxhdrs + bus->f2rxdata + bus->f1regdata)); |
| dhd_dump_pct(strbuf, ", pkts/int", bus->dhd->rx_packets, bus->intrcount); |
| bcm_bprintf(strbuf, "\n"); |
| |
| dhd_dump_pct(strbuf, "Rx: glom pct", (100 * bus->rxglompkts), |
| bus->dhd->rx_packets); |
| dhd_dump_pct(strbuf, ", pkts/glom", bus->rxglompkts, bus->rxglomframes); |
| bcm_bprintf(strbuf, "\n"); |
| |
| dhd_dump_pct(strbuf, "Tx: pkts/f2wr", bus->dhd->tx_packets, bus->f2txdata); |
| dhd_dump_pct(strbuf, ", pkts/f1sd", bus->dhd->tx_packets, bus->f1regdata); |
| dhd_dump_pct(strbuf, ", pkts/sd", bus->dhd->tx_packets, |
| (bus->f2txdata + bus->f1regdata)); |
| dhd_dump_pct(strbuf, ", pkts/int", bus->dhd->tx_packets, bus->intrcount); |
| bcm_bprintf(strbuf, "\n"); |
| |
| dhd_dump_pct(strbuf, "Total: pkts/f2rw", |
| (bus->dhd->tx_packets + bus->dhd->rx_packets), |
| (bus->f2txdata + bus->f2rxhdrs + bus->f2rxdata)); |
| dhd_dump_pct(strbuf, ", pkts/f1sd", |
| (bus->dhd->tx_packets + bus->dhd->rx_packets), bus->f1regdata); |
| dhd_dump_pct(strbuf, ", pkts/sd", |
| (bus->dhd->tx_packets + bus->dhd->rx_packets), |
| (bus->f2txdata + bus->f2rxhdrs + bus->f2rxdata + bus->f1regdata)); |
| dhd_dump_pct(strbuf, ", pkts/int", |
| (bus->dhd->tx_packets + bus->dhd->rx_packets), bus->intrcount); |
| bcm_bprintf(strbuf, "\n\n"); |
| } |
| |
| #ifdef SDTEST |
| /* XXX Add new stats, include pktq len */ |
| if (bus->pktgen_count) { |
| bcm_bprintf(strbuf, "pktgen config and count:\n"); |
| bcm_bprintf(strbuf, "freq %u count %u print %u total %u min %u len %u\n", |
| bus->pktgen_freq, bus->pktgen_count, bus->pktgen_print, |
| bus->pktgen_total, bus->pktgen_minlen, bus->pktgen_maxlen); |
| bcm_bprintf(strbuf, "send attempts %u rcvd %u fail %u\n", |
| bus->pktgen_sent, bus->pktgen_rcvd, bus->pktgen_fail); |
| } |
| #endif /* SDTEST */ |
| #ifdef DHD_DEBUG |
| bcm_bprintf(strbuf, "dpc_sched %d host interrupt%spending\n", |
| bus->dpc_sched, (bcmsdh_intr_pending(bus->sdh) ? " " : " not ")); |
| bcm_bprintf(strbuf, "blocksize %u roundup %u\n", bus->blocksize, bus->roundup); |
| #endif /* DHD_DEBUG */ |
| bcm_bprintf(strbuf, "clkstate %d activity %d idletime %d idlecount %d sleeping %d\n", |
| bus->clkstate, bus->activity, bus->idletime, bus->idlecount, bus->sleeping); |
| } |
| |
| void |
| dhd_bus_clearcounts(dhd_pub_t *dhdp) |
| { |
| dhd_bus_t *bus = (dhd_bus_t *)dhdp->bus; |
| |
| bus->intrcount = bus->lastintrs = bus->spurious = bus->regfails = 0; |
| bus->rxrtx = bus->rx_toolong = bus->rxc_errors = 0; |
| bus->rx_hdrfail = bus->rx_badhdr = bus->rx_badseq = 0; |
| #ifdef DHDENABLE_TAILPAD |
| bus->tx_tailpad_chain = bus->tx_tailpad_pktget = 0; |
| #endif /* DHDENABLE_TAILPAD */ |
| bus->tx_sderrs = bus->fc_rcvd = bus->fc_xoff = bus->fc_xon = 0; |
| bus->rxglomfail = bus->rxglomframes = bus->rxglompkts = 0; |
| bus->f2rxhdrs = bus->f2rxdata = bus->f2txdata = bus->f1regdata = 0; |
| } |
| |
| #ifdef SDTEST |
| static int |
| dhdsdio_pktgen_get(dhd_bus_t *bus, uint8 *arg) |
| { |
| dhd_pktgen_t pktgen; |
| |
| pktgen.version = DHD_PKTGEN_VERSION; |
| pktgen.freq = bus->pktgen_freq; |
| pktgen.count = bus->pktgen_count; |
| pktgen.print = bus->pktgen_print; |
| pktgen.total = bus->pktgen_total; |
| pktgen.minlen = bus->pktgen_minlen; |
| pktgen.maxlen = bus->pktgen_maxlen; |
| pktgen.numsent = bus->pktgen_sent; |
| pktgen.numrcvd = bus->pktgen_rcvd; |
| pktgen.numfail = bus->pktgen_fail; |
| pktgen.mode = bus->pktgen_mode; |
| pktgen.stop = bus->pktgen_stop; |
| |
| bcopy(&pktgen, arg, sizeof(pktgen)); |
| |
| return 0; |
| } |
| |
| static int |
| dhdsdio_pktgen_set(dhd_bus_t *bus, uint8 *arg) |
| { |
| dhd_pktgen_t pktgen; |
| uint oldcnt, oldmode; |
| |
| bcopy(arg, &pktgen, sizeof(pktgen)); |
| if (pktgen.version != DHD_PKTGEN_VERSION) |
| return BCME_BADARG; |
| |
| oldcnt = bus->pktgen_count; |
| oldmode = bus->pktgen_mode; |
| |
| bus->pktgen_freq = pktgen.freq; |
| bus->pktgen_count = pktgen.count; |
| bus->pktgen_print = pktgen.print; |
| bus->pktgen_total = pktgen.total; |
| bus->pktgen_minlen = pktgen.minlen; |
| bus->pktgen_maxlen = pktgen.maxlen; |
| bus->pktgen_mode = pktgen.mode; |
| bus->pktgen_stop = pktgen.stop; |
| |
| bus->pktgen_tick = bus->pktgen_ptick = 0; |
| #if defined(LINUX) |
| bus->pktgen_prev_time = jiffies; |
| #endif /* LINUX */ |
| bus->pktgen_len = MAX(bus->pktgen_len, bus->pktgen_minlen); |
| bus->pktgen_len = MIN(bus->pktgen_len, bus->pktgen_maxlen); |
| |
| /* Clear counts for a new pktgen (mode change, or was stopped) */ |
| if (bus->pktgen_count && (!oldcnt || oldmode != bus->pktgen_mode)) { |
| bus->pktgen_sent = bus->pktgen_prev_sent = bus->pktgen_rcvd = 0; |
| bus->pktgen_prev_rcvd = bus->pktgen_fail = 0; |
| } |
| |
| return 0; |
| } |
| #endif /* SDTEST */ |
| |
| static int |
| dhdsdio_membytes(dhd_bus_t *bus, bool write, uint32 address, uint8 *data, uint size) |
| { |
| int bcmerror = 0; |
| uint32 sdaddr; |
| uint dsize; |
| |
| /* In remap mode, adjust address beyond socram and redirect |
| * to devram at SOCDEVRAM_BP_ADDR since remap address > orig_ramsize |
| * is not backplane accessible |
| */ |
| if (REMAP_ENAB(bus) && REMAP_ISADDR(bus, address)) { |
| address -= bus->orig_ramsize; |
| address += SOCDEVRAM_BP_ADDR; |
| } |
| |
| /* Determine initial transfer parameters */ |
| sdaddr = address & SBSDIO_SB_OFT_ADDR_MASK; |
| if ((sdaddr + size) & SBSDIO_SBWINDOW_MASK) |
| dsize = (SBSDIO_SB_OFT_ADDR_LIMIT - sdaddr); |
| else |
| dsize = size; |
| |
| /* Set the backplane window to include the start address */ |
| if ((bcmerror = dhdsdio_set_siaddr_window(bus, address))) { |
| DHD_ERROR(("%s: window change failed\n", __FUNCTION__)); |
| goto xfer_done; |
| } |
| |
| /* Do the transfer(s) */ |
| while (size) { |
| DHD_INFO(("%s: %s %d bytes at offset 0x%08x in window 0x%08x\n", |
| __FUNCTION__, (write ? "write" : "read"), dsize, sdaddr, |
| (address & SBSDIO_SBWINDOW_MASK))); |
| if ((bcmerror = bcmsdh_rwdata(bus->sdh, write, sdaddr, data, dsize))) { |
| DHD_ERROR(("%s: membytes transfer failed\n", __FUNCTION__)); |
| break; |
| } |
| |
| /* Adjust for next transfer (if any) */ |
| if ((size -= dsize)) { |
| data += dsize; |
| address += dsize; |
| if ((bcmerror = dhdsdio_set_siaddr_window(bus, address))) { |
| DHD_ERROR(("%s: window change failed\n", __FUNCTION__)); |
| break; |
| } |
| sdaddr = 0; |
| dsize = MIN(SBSDIO_SB_OFT_ADDR_LIMIT, size); |
| } |
| |
| } |
| |
| xfer_done: |
| /* Return the window to backplane enumeration space for core access */ |
| if (dhdsdio_set_siaddr_window(bus, bcmsdh_cur_sbwad(bus->sdh))) { |
| DHD_ERROR(("%s: FAILED to set window back to 0x%x\n", __FUNCTION__, |
| bcmsdh_cur_sbwad(bus->sdh))); |
| } |
| |
| return bcmerror; |
| } |
| |
| static int |
| dhdsdio_readshared(dhd_bus_t *bus, sdpcm_shared_t *sh) |
| { |
| uint32 addr; |
| int rv, i; |
| uint32 shaddr = 0; |
| |
| if (bus->sih == NULL) { |
| if (bus->dhd && bus->dhd->dongle_reset) { |
| DHD_ERROR(("%s: Dongle is in reset state\n", __FUNCTION__)); |
| return BCME_NOTREADY; |
| } else { |
| ASSERT(bus->dhd); |
| ASSERT(bus->sih); |
| DHD_ERROR(("%s: The address of sih is invalid\n", __FUNCTION__)); |
| return BCME_ERROR; |
| } |
| } |
| /* |
| * If SR is not implemented in 43430 FW we should not adjust shaddr |
| * XXX Should be REMOVED after SR will be implemented in 43430 FW |
| */ |
| if ((CHIPID(bus->sih->chip) == BCM43430_CHIP_ID || |
| CHIPID(bus->sih->chip) == BCM43018_CHIP_ID) && !dhdsdio_sr_cap(bus)) |
| bus->srmemsize = 0; |
| |
| shaddr = bus->dongle_ram_base + bus->ramsize - 4; |
| i = 0; |
| do { |
| /* Read last word in memory to determine address of sdpcm_shared structure */ |
| if ((rv = dhdsdio_membytes(bus, FALSE, shaddr, (uint8 *)&addr, 4)) < 0) |
| return rv; |
| |
| addr = ltoh32(addr); |
| |
| DHD_INFO(("sdpcm_shared address 0x%08X\n", addr)); |
| |
| /* |
| * Check if addr is valid. |
| * NVRAM length at the end of memory should have been overwritten. |
| */ |
| if (addr == 0 || ((~addr >> 16) & 0xffff) == (addr & 0xffff)) { |
| if ((bus->srmemsize > 0) && (i++ == 0)) { |
| shaddr -= bus->srmemsize; |
| } else { |
| DHD_ERROR(("%s: address (0x%08x) of sdpcm_shared invalid\n", |
| __FUNCTION__, addr)); |
| return BCME_ERROR; |
| } |
| } else |
| break; |
| } while (i < 2); |
| |
| /* Read hndrte_shared structure */ |
| if ((rv = dhdsdio_membytes(bus, FALSE, addr, (uint8 *)sh, sizeof(sdpcm_shared_t))) < 0) |
| return rv; |
| |
| /* Endianness */ |
| sh->flags = ltoh32(sh->flags); |
| sh->trap_addr = ltoh32(sh->trap_addr); |
| sh->assert_exp_addr = ltoh32(sh->assert_exp_addr); |
| sh->assert_file_addr = ltoh32(sh->assert_file_addr); |
| sh->assert_line = ltoh32(sh->assert_line); |
| sh->console_addr = ltoh32(sh->console_addr); |
| sh->msgtrace_addr = ltoh32(sh->msgtrace_addr); |
| |
| /* |
| * XXX - Allow a sdpcm_shared_t version mismatch between dhd structure |
| * version 1 and firmware structure version 3. |
| * The sdpcm_shared_t stucture fields used in this function are in the |
| * same positions in these two structure versions. |
| * For some chips in the FALCON release, the dhd driver is from the |
| * FALCON branch (sdpcm_shared_t structure version 1) and the firmware |
| * comes from the ROMTERM3 branch (sdpcm_shared_t structure version 1). |
| */ |
| if ((sh->flags & SDPCM_SHARED_VERSION_MASK) == 3 && SDPCM_SHARED_VERSION == 1) |
| return BCME_OK; |
| |
| if ((sh->flags & SDPCM_SHARED_VERSION_MASK) != SDPCM_SHARED_VERSION) { |
| DHD_ERROR(("%s: sdpcm_shared version %d in dhd " |
| "is different than sdpcm_shared version %d in dongle\n", |
| __FUNCTION__, SDPCM_SHARED_VERSION, |
| sh->flags & SDPCM_SHARED_VERSION_MASK)); |
| return BCME_ERROR; |
| } |
| |
| return BCME_OK; |
| } |
| |
| #define CONSOLE_LINE_MAX 192 |
| |
| #ifdef DHD_DEBUG |
| static int |
| dhdsdio_readconsole(dhd_bus_t *bus) |
| { |
| dhd_console_t *c = &bus->console; |
| uint8 line[CONSOLE_LINE_MAX], ch; |
| uint32 n, idx, addr; |
| int rv; |
| |
| /* Don't do anything until FWREADY updates console address */ |
| if (bus->console_addr == 0) |
| return 0; |
| |
| if (!KSO_ENAB(bus)) |
| return 0; |
| |
| /* Read console log struct */ |
| addr = bus->console_addr + OFFSETOF(hnd_cons_t, log); |
| if ((rv = dhdsdio_membytes(bus, FALSE, addr, (uint8 *)&c->log, sizeof(c->log))) < 0) |
| return rv; |
| |
| /* Allocate console buffer (one time only) */ |
| if (c->buf == NULL) { |
| c->bufsize = ltoh32(c->log.buf_size); |
| if ((c->buf = MALLOC(bus->dhd->osh, c->bufsize)) == NULL) |
| return BCME_NOMEM; |
| } |
| |
| idx = ltoh32(c->log.idx); |
| |
| /* Protect against corrupt value */ |
| if (idx > c->bufsize) |
| return BCME_ERROR; |
| |
| /* Skip reading the console buffer if the index pointer has not moved */ |
| if (idx == c->last) |
| return BCME_OK; |
| |
| /* Read the console buffer */ |
| /* xxx this could optimize and read only the portion of the buffer needed, but |
| * it would also have to handle wrap-around. |
| */ |
| addr = ltoh32(c->log.buf); |
| if ((rv = dhdsdio_membytes(bus, FALSE, addr, c->buf, c->bufsize)) < 0) |
| return rv; |
| |
| while (c->last != idx) { |
| for (n = 0; n < CONSOLE_LINE_MAX - 2; n++) { |
| if (c->last == idx) { |
| /* This would output a partial line. Instead, back up |
| * the buffer pointer and output this line next time around. |
| */ |
| if (c->last >= n) |
| c->last -= n; |
| else |
| c->last = c->bufsize - n; |
| goto break2; |
| } |
| ch = c->buf[c->last]; |
| c->last = (c->last + 1) % c->bufsize; |
| if (ch == '\n') |
| break; |
| line[n] = ch; |
| } |
| |
| if (n > 0) { |
| if (line[n - 1] == '\r') |
| n--; |
| line[n] = 0; |
| printf("CONSOLE: %s\n", line); |
| #ifdef LOG_INTO_TCPDUMP |
| dhd_sendup_log(bus->dhd, line, n); |
| #endif /* LOG_INTO_TCPDUMP */ |
| } |
| } |
| break2: |
| |
| return BCME_OK; |
| } |
| #endif /* DHD_DEBUG */ |
| |
| static int |
| dhdsdio_checkdied(dhd_bus_t *bus, char *data, uint size) |
| { |
| int bcmerror = 0; |
| uint msize = 512; |
| char *mbuffer = NULL; |
| char *console_buffer = NULL; |
| uint maxstrlen = 256; |
| char *str = NULL; |
| sdpcm_shared_t l_sdpcm_shared; |
| struct bcmstrbuf strbuf; |
| uint32 console_ptr, console_size, console_index; |
| uint8 line[CONSOLE_LINE_MAX], ch; |
| uint32 n, i, addr; |
| int rv; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| if (DHD_NOCHECKDIED_ON()) |
| return 0; |
| |
| if (data == NULL) { |
| /* |
| * Called after a rx ctrl timeout. "data" is NULL. |
| * allocate memory to trace the trap or assert. |
| */ |
| size = msize; |
| mbuffer = data = MALLOC(bus->dhd->osh, msize); |
| if (mbuffer == NULL) { |
| DHD_ERROR(("%s: MALLOC(%d) failed \n", __FUNCTION__, msize)); |
| bcmerror = BCME_NOMEM; |
| goto done; |
| } |
| } |
| |
| if ((str = MALLOC(bus->dhd->osh, maxstrlen)) == NULL) { |
| DHD_ERROR(("%s: MALLOC(%d) failed \n", __FUNCTION__, maxstrlen)); |
| bcmerror = BCME_NOMEM; |
| goto done; |
| } |
| |
| if ((bcmerror = dhdsdio_readshared(bus, &l_sdpcm_shared)) < 0) |
| goto done; |
| |
| bcm_binit(&strbuf, data, size); |
| |
| bcm_bprintf(&strbuf, "msgtrace address : 0x%08X\nconsole address : 0x%08X\n", |
| l_sdpcm_shared.msgtrace_addr, l_sdpcm_shared.console_addr); |
| |
| if ((l_sdpcm_shared.flags & SDPCM_SHARED_ASSERT_BUILT) == 0) { |
| /* NOTE: Misspelled assert is intentional - DO NOT FIX. |
| * (Avoids conflict with real asserts for programmatic parsing of output.) |
| */ |
| bcm_bprintf(&strbuf, "Assrt not built in dongle\n"); |
| } |
| |
| if ((l_sdpcm_shared.flags & (SDPCM_SHARED_ASSERT|SDPCM_SHARED_TRAP)) == 0) { |
| /* NOTE: Misspelled assert is intentional - DO NOT FIX. |
| * (Avoids conflict with real asserts for programmatic parsing of output.) |
| */ |
| bcm_bprintf(&strbuf, "No trap%s in dongle", |
| (l_sdpcm_shared.flags & SDPCM_SHARED_ASSERT_BUILT) |
| ?"/assrt" :""); |
| } else { |
| if (l_sdpcm_shared.flags & SDPCM_SHARED_ASSERT) { |
| /* Download assert */ |
| bcm_bprintf(&strbuf, "Dongle assert"); |
| if (l_sdpcm_shared.assert_exp_addr != 0) { |
| str[0] = '\0'; |
| if ((bcmerror = dhdsdio_membytes(bus, FALSE, |
| l_sdpcm_shared.assert_exp_addr, |
| (uint8 *)str, maxstrlen)) < 0) |
| goto done; |
| |
| str[maxstrlen - 1] = '\0'; |
| bcm_bprintf(&strbuf, " expr \"%s\"", str); |
| } |
| |
| if (l_sdpcm_shared.assert_file_addr != 0) { |
| str[0] = '\0'; |
| if ((bcmerror = dhdsdio_membytes(bus, FALSE, |
| l_sdpcm_shared.assert_file_addr, |
| (uint8 *)str, maxstrlen)) < 0) |
| goto done; |
| |
| str[maxstrlen - 1] = '\0'; |
| bcm_bprintf(&strbuf, " file \"%s\"", str); |
| } |
| |
| bcm_bprintf(&strbuf, " line %d ", l_sdpcm_shared.assert_line); |
| } |
| |
| if (l_sdpcm_shared.flags & SDPCM_SHARED_TRAP) { |
| trap_t *tr = &bus->dhd->last_trap_info; |
| bus->dhd->dongle_trap_occured = TRUE; |
| if ((bcmerror = dhdsdio_membytes(bus, FALSE, |
| l_sdpcm_shared.trap_addr, |
| (uint8*)tr, sizeof(trap_t))) < 0) |
| goto done; |
| |
| bus->dongle_trap_addr = ltoh32(l_sdpcm_shared.trap_addr); |
| |
| dhd_bus_dump_trap_info(bus, &strbuf); |
| |
| addr = l_sdpcm_shared.console_addr + OFFSETOF(hnd_cons_t, log); |
| if ((rv = dhdsdio_membytes(bus, FALSE, addr, |
| (uint8 *)&console_ptr, sizeof(console_ptr))) < 0) |
| goto printbuf; |
| |
| addr = l_sdpcm_shared.console_addr + OFFSETOF(hnd_cons_t, log.buf_size); |
| if ((rv = dhdsdio_membytes(bus, FALSE, addr, |
| (uint8 *)&console_size, sizeof(console_size))) < 0) |
| goto printbuf; |
| |
| addr = l_sdpcm_shared.console_addr + OFFSETOF(hnd_cons_t, log.idx); |
| if ((rv = dhdsdio_membytes(bus, FALSE, addr, |
| (uint8 *)&console_index, sizeof(console_index))) < 0) |
| goto printbuf; |
| |
| console_ptr = ltoh32(console_ptr); |
| console_size = ltoh32(console_size); |
| console_index = ltoh32(console_index); |
| |
| if (console_size > CONSOLE_BUFFER_MAX || |
| !(console_buffer = MALLOC(bus->dhd->osh, console_size))) |
| goto printbuf; |
| |
| if ((rv = dhdsdio_membytes(bus, FALSE, console_ptr, |
| (uint8 *)console_buffer, console_size)) < 0) |
| goto printbuf; |
| |
| for (i = 0, n = 0; i < console_size; i += n + 1) { |
| for (n = 0; n < CONSOLE_LINE_MAX - 2; n++) { |
| ch = console_buffer[(console_index + i + n) % console_size]; |
| if (ch == '\n') |
| break; |
| line[n] = ch; |
| } |
| |
| if (n > 0) { |
| if (line[n - 1] == '\r') |
| n--; |
| line[n] = 0; |
| /* Don't use DHD_ERROR macro since we print |
| * a lot of information quickly. The macro |
| * will truncate a lot of the printfs |
| */ |
| |
| if (dhd_msg_level & DHD_ERROR_VAL) |
| printf("CONSOLE: %s\n", line); |
| } |
| } |
| } |
| } |
| |
| printbuf: |
| if (l_sdpcm_shared.flags & (SDPCM_SHARED_ASSERT | SDPCM_SHARED_TRAP)) { |
| DHD_ERROR(("%s: %s\n", __FUNCTION__, strbuf.origbuf)); |
| } |
| |
| #if defined(DHD_FW_COREDUMP) |
| if (bus->dhd->memdump_enabled && (l_sdpcm_shared.flags & SDPCM_SHARED_TRAP)) { |
| /* Mem dump to a file on device */ |
| bus->dhd->memdump_type = DUMP_TYPE_DONGLE_TRAP; |
| /* xxx this sdunlock has been put as a WAR here. We tried to come up |
| * with a better solution but with the current structure of sdlocks it is very |
| * unlikely to have a better fix for now. The better Rearch of sdio bus |
| * locking has been put up as a cleanup activity and a thorough |
| * code walkthrough is needed. |
| */ |
| dhd_os_sdunlock(bus->dhd); |
| dhdsdio_mem_dump(bus); |
| dhd_os_sdlock(bus->dhd); |
| #ifdef NDIS |
| /* Windows would like to crash and collect memory dump for analysis */ |
| ASSERT(0 && "Dongle firmware died."); |
| |
| /* For free drivers ASSERT will not bugcheck */ |
| KeBugCheckEx(__LINE__, 0, 0, 0, 0); |
| #endif |
| } |
| #endif /* #if defined(DHD_FW_COREDUMP) */ |
| |
| done: |
| if (mbuffer) |
| MFREE(bus->dhd->osh, mbuffer, msize); |
| if (str) |
| MFREE(bus->dhd->osh, str, maxstrlen); |
| if (console_buffer) |
| MFREE(bus->dhd->osh, console_buffer, console_size); |
| |
| return bcmerror; |
| } |
| |
| #if defined(DHD_FW_COREDUMP) |
| int |
| dhd_bus_mem_dump(dhd_pub_t *dhdp) |
| { |
| dhd_bus_t *bus = dhdp->bus; |
| if (dhdp->busstate == DHD_BUS_SUSPEND) { |
| DHD_ERROR(("%s: Bus is suspend so skip\n", __FUNCTION__)); |
| return 0; |
| } |
| return dhdsdio_mem_dump(bus); |
| } |
| |
| int |
| dhd_bus_get_mem_dump(dhd_pub_t *dhdp) |
| { |
| if (!dhdp) { |
| DHD_ERROR(("%s: dhdp is NULL\n", __FUNCTION__)); |
| return BCME_ERROR; |
| } |
| |
| return dhdsdio_get_mem_dump(dhdp->bus); |
| } |
| |
| static int |
| dhdsdio_get_mem_dump(dhd_bus_t *bus) |
| { |
| int ret = BCME_ERROR; |
| int size = bus->ramsize; /* Full mem size */ |
| uint32 start = bus->dongle_ram_base; /* Start address */ |
| uint read_size = 0; /* Read size of each iteration */ |
| uint8 *p_buf = NULL, *databuf = NULL; |
| #if defined(DHD_FILE_DUMP_EVENT) && defined(DHD_FW_COREDUMP) |
| dhd_dongledump_status_t dump_status; |
| #endif /* DHD_FILE_DUMP_EVENT && DHD_FW_COREDUMP */ |
| |
| /* Get full mem size */ |
| p_buf = dhd_get_fwdump_buf(bus->dhd, size); |
| if (!p_buf) { |
| DHD_ERROR(("%s: Out of memory (%d bytes)\n", |
| __FUNCTION__, size)); |
| ret = BCME_ERROR; |
| goto exit; |
| } |
| |
| dhd_os_sdlock(bus->dhd); |
| BUS_WAKE(bus); |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| #if defined(DHD_FILE_DUMP_EVENT) && defined(DHD_FW_COREDUMP) |
| dump_status = dhd_get_dump_status(bus->dhd); |
| if (dump_status != DUMP_IN_PROGRESS) { |
| dhd_set_dump_status(bus->dhd, DUMP_IN_PROGRESS); |
| } |
| #endif /* DHD_FILE_DUMP_EVENT && DHD_FW_COREDUMP */ |
| |
| /* Read mem content */ |
| DHD_ERROR(("Dump dongle memory\n")); |
| databuf = p_buf; |
| while (size) { |
| read_size = MIN(MEMBLOCK, size); |
| ret = dhdsdio_membytes(bus, FALSE, start, databuf, read_size); |
| if (ret) { |
| DHD_ERROR(("%s: Error membytes %d\n", __FUNCTION__, ret)); |
| ret = BCME_ERROR; |
| break; |
| } |
| /* Decrement size and increment start address */ |
| size -= read_size; |
| start += read_size; |
| databuf += read_size; |
| } |
| |
| if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched && |
| NO_OTHER_ACTIVE_BUS_USER(bus)) { |
| bus->activity = FALSE; |
| dhdsdio_clkctl(bus, CLK_NONE, TRUE); |
| } |
| |
| exit: |
| #if defined(DHD_FILE_DUMP_EVENT) && defined(DHD_FW_COREDUMP) |
| if (ret != BCME_OK) { |
| dhd_set_dump_status(bus->dhd, DUMP_FAILURE); |
| } |
| #endif /* DHD_FILE_DUMP_EVENT && DHD_FW_COREDUMP */ |
| |
| dhd_os_sdunlock(bus->dhd); |
| |
| return ret; |
| } |
| |
| static int |
| dhdsdio_mem_dump(dhd_bus_t *bus) |
| { |
| dhd_pub_t *dhdp; |
| int ret = BCME_ERROR; |
| |
| dhdp = bus->dhd; |
| if (!dhdp) { |
| DHD_ERROR(("%s: dhdp is NULL\n", __FUNCTION__)); |
| return ret; |
| } |
| |
| ret = dhdsdio_get_mem_dump(bus); |
| if (ret) { |
| DHD_ERROR(("%s: failed to get mem dump, err=%d\n", |
| __FUNCTION__, ret)); |
| } else { |
| /* schedule a work queue to perform actual memdump. |
| * dhd_mem_dump() performs the job |
| */ |
| dhd_schedule_memdump(dhdp, dhdp->soc_ram, dhdp->soc_ram_length); |
| /* soc_ram free handled in dhd_{free,clear} */ |
| } |
| |
| return ret; |
| } |
| #endif /* DHD_FW_COREDUMP */ |
| |
| int |
| dhd_socram_dump(dhd_bus_t * bus) |
| { |
| #if defined(DHD_FW_COREDUMP) |
| return (dhdsdio_mem_dump(bus)); |
| #else |
| return -1; |
| #endif |
| } |
| |
| int |
| dhdsdio_downloadvars(dhd_bus_t *bus, void *arg, int len) |
| { |
| int bcmerror = BCME_OK; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| if (bus->dhd->up && |
| 1) { |
| bcmerror = BCME_NOTDOWN; |
| goto err; |
| } |
| if (!len) { |
| bcmerror = BCME_BUFTOOSHORT; |
| goto err; |
| } |
| |
| /* Free the old ones and replace with passed variables */ |
| if (bus->vars) |
| MFREE(bus->dhd->osh, bus->vars, bus->varsz); |
| |
| bus->vars = MALLOC(bus->dhd->osh, len); |
| bus->varsz = bus->vars ? len : 0; |
| if (bus->vars == NULL) { |
| bcmerror = BCME_NOMEM; |
| goto err; |
| } |
| |
| /* Copy the passed variables, which should include the terminating double-null */ |
| bcopy(arg, bus->vars, bus->varsz); |
| err: |
| return bcmerror; |
| } |
| |
| #ifdef DHD_DEBUG |
| static int |
| dhd_serialconsole(dhd_bus_t *bus, bool set, bool enable, int *bcmerror) |
| { |
| int int_val; |
| uint32 addr, data, uart_enab = 0; |
| |
| addr = SI_ENUM_BASE(bus->sih) + OFFSETOF(chipcregs_t, chipcontrol_addr); |
| data = SI_ENUM_BASE(bus->sih) + OFFSETOF(chipcregs_t, chipcontrol_data); |
| *bcmerror = 0; |
| |
| bcmsdh_reg_write(bus->sdh, addr, 4, 1); |
| if (bcmsdh_regfail(bus->sdh)) { |
| *bcmerror = BCME_SDIO_ERROR; |
| return -1; |
| } |
| int_val = bcmsdh_reg_read(bus->sdh, data, 4); |
| if (bcmsdh_regfail(bus->sdh)) { |
| *bcmerror = BCME_SDIO_ERROR; |
| return -1; |
| } |
| |
| if (!set) |
| return (int_val & uart_enab); |
| if (enable) |
| int_val |= uart_enab; |
| else |
| int_val &= ~uart_enab; |
| bcmsdh_reg_write(bus->sdh, data, 4, int_val); |
| if (bcmsdh_regfail(bus->sdh)) { |
| *bcmerror = BCME_SDIO_ERROR; |
| return -1; |
| } |
| |
| return (int_val & uart_enab); |
| } |
| #endif |
| |
| static int |
| dhdsdio_doiovar(dhd_bus_t *bus, const bcm_iovar_t *vi, uint32 actionid, const char *name, |
| void *params, uint plen, void *arg, uint len, uint val_size) |
| { |
| int bcmerror = 0; |
| int32 int_val = 0; |
| bool bool_val = 0; |
| |
| DHD_TRACE(("%s: Enter, action %d name %s params %p plen %d arg %p len %d val_size %d\n", |
| __FUNCTION__, actionid, name, params, plen, arg, len, val_size)); |
| |
| if ((bcmerror = bcm_iovar_lencheck(vi, arg, len, IOV_ISSET(actionid))) != 0) |
| goto exit; |
| |
| if (plen >= sizeof(int_val)) |
| bcopy(params, &int_val, sizeof(int_val)); |
| |
| bool_val = (int_val != 0) ? TRUE : FALSE; |
| |
| /* Some ioctls use the bus */ |
| dhd_os_sdlock(bus->dhd); |
| |
| /* Check if dongle is in reset. If so, only allow DEVRESET iovars */ |
| if (bus->dhd->dongle_reset && !(actionid == IOV_SVAL(IOV_DEVRESET) || |
| actionid == IOV_GVAL(IOV_DEVRESET))) { |
| bcmerror = BCME_NOTREADY; |
| goto exit; |
| } |
| |
| /* |
| * Special handling for keepSdioOn: New SDIO Wake-up Mechanism |
| */ |
| if ((vi->varid == IOV_KSO) && (IOV_ISSET(actionid))) { |
| dhdsdio_clk_kso_iovar(bus, bool_val); |
| goto exit; |
| } else if ((vi->varid == IOV_DEVSLEEP) && (IOV_ISSET(actionid))) { |
| { |
| dhdsdio_clk_devsleep_iovar(bus, bool_val); |
| if (!SLPAUTO_ENAB(bus) && (bool_val == FALSE) && (bus->ipend)) { |
| DHD_ERROR(("INT pending in devsleep 1, dpc_sched: %d\n", |
| bus->dpc_sched)); |
| if (!bus->dpc_sched) { |
| bus->dpc_sched = TRUE; |
| dhd_sched_dpc(bus->dhd); |
| } |
| } |
| } |
| goto exit; |
| } |
| |
| /* Handle sleep stuff before any clock mucking */ |
| if (vi->varid == IOV_SLEEP) { |
| if (IOV_ISSET(actionid)) { |
| bcmerror = dhdsdio_bussleep(bus, bool_val); |
| } else { |
| int_val = (int32)bus->sleeping; |
| bcopy(&int_val, arg, val_size); |
| } |
| goto exit; |
| } |
| |
| /* Request clock to allow SDIO accesses */ |
| if (!bus->dhd->dongle_reset) { |
| BUS_WAKE(bus); |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| } |
| |
| switch (actionid) { |
| case IOV_GVAL(IOV_INTR): |
| int_val = (int32)bus->intr; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_INTR): |
| bus->intr = bool_val; |
| bus->intdis = FALSE; |
| if (bus->dhd->up) { |
| if (bus->intr) { |
| DHD_INTR(("%s: enable SDIO device interrupts\n", __FUNCTION__)); |
| bcmsdh_intr_enable(bus->sdh); |
| } else { |
| DHD_INTR(("%s: disable SDIO interrupts\n", __FUNCTION__)); |
| bcmsdh_intr_disable(bus->sdh); |
| } |
| } |
| break; |
| |
| case IOV_GVAL(IOV_POLLRATE): |
| int_val = (int32)bus->pollrate; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_POLLRATE): |
| bus->pollrate = (uint)int_val; |
| bus->poll = (bus->pollrate != 0); |
| break; |
| |
| case IOV_GVAL(IOV_IDLETIME): |
| int_val = bus->idletime; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_IDLETIME): |
| if ((int_val < 0) && (int_val != DHD_IDLE_IMMEDIATE)) { |
| bcmerror = BCME_BADARG; |
| } else { |
| bus->idletime = int_val; |
| } |
| break; |
| |
| case IOV_GVAL(IOV_IDLECLOCK): |
| int_val = (int32)bus->idleclock; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_IDLECLOCK): |
| bus->idleclock = int_val; |
| break; |
| |
| case IOV_GVAL(IOV_SD1IDLE): |
| int_val = (int32)sd1idle; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_SD1IDLE): |
| sd1idle = bool_val; |
| break; |
| |
| #ifdef DHD_DEBUG |
| case IOV_GVAL(IOV_CHECKDIED): |
| bcmerror = dhdsdio_checkdied(bus, arg, len); |
| break; |
| #endif /* DHD_DEBUG */ |
| |
| case IOV_GVAL(IOV_RAMSIZE): |
| int_val = (int32)bus->ramsize; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_GVAL(IOV_RAMSTART): |
| int_val = (int32)bus->dongle_ram_base; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_GVAL(IOV_SDIOD_DRIVE): |
| int_val = (int32)dhd_sdiod_drive_strength; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_SDIOD_DRIVE): |
| dhd_sdiod_drive_strength = int_val; |
| si_sdiod_drive_strength_init(bus->sih, bus->dhd->osh, dhd_sdiod_drive_strength); |
| break; |
| |
| case IOV_SVAL(IOV_SET_DOWNLOAD_STATE): |
| bcmerror = dhdsdio_download_state(bus, bool_val); |
| break; |
| |
| case IOV_SVAL(IOV_SOCRAM_STATE): |
| bcmerror = dhdsdio_download_state(bus, bool_val); |
| break; |
| |
| case IOV_SVAL(IOV_VARS): |
| bcmerror = dhdsdio_downloadvars(bus, arg, len); |
| break; |
| |
| case IOV_GVAL(IOV_READAHEAD): |
| int_val = (int32)dhd_readahead; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_READAHEAD): |
| if (bool_val && !dhd_readahead) |
| bus->nextlen = 0; |
| dhd_readahead = bool_val; |
| break; |
| |
| case IOV_GVAL(IOV_SDRXCHAIN): |
| int_val = (int32)bus->use_rxchain; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_SDRXCHAIN): |
| if (bool_val && !bus->sd_rxchain) |
| bcmerror = BCME_UNSUPPORTED; |
| else |
| bus->use_rxchain = bool_val; |
| break; |
| #ifndef BCMSPI |
| case IOV_GVAL(IOV_ALIGNCTL): |
| int_val = (int32)dhd_alignctl; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_ALIGNCTL): |
| dhd_alignctl = bool_val; |
| break; |
| #endif /* BCMSPI */ |
| |
| case IOV_GVAL(IOV_SDALIGN): |
| int_val = DHD_SDALIGN; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| #ifdef DHD_DEBUG |
| case IOV_GVAL(IOV_VARS): |
| if (bus->varsz < (uint)len) |
| bcopy(bus->vars, arg, bus->varsz); |
| else |
| bcmerror = BCME_BUFTOOSHORT; |
| break; |
| #endif /* DHD_DEBUG */ |
| |
| #ifdef DHD_DEBUG |
| /* XXX Until these return BCME ranges, make assumptions here */ |
| case IOV_GVAL(IOV_SDREG): |
| { |
| sdreg_t *sd_ptr; |
| uintptr addr; |
| uint size; |
| |
| sd_ptr = (sdreg_t *)params; |
| |
| addr = ((uintptr)bus->regs + sd_ptr->offset); |
| size = sd_ptr->func; |
| int_val = (int32)bcmsdh_reg_read(bus->sdh, addr, size); |
| if (bcmsdh_regfail(bus->sdh)) |
| bcmerror = BCME_SDIO_ERROR; |
| bcopy(&int_val, arg, sizeof(int32)); |
| break; |
| } |
| |
| case IOV_SVAL(IOV_SDREG): |
| { |
| sdreg_t *sd_ptr; |
| uintptr addr; |
| uint size; |
| |
| sd_ptr = (sdreg_t *)params; |
| |
| addr = ((uintptr)bus->regs + sd_ptr->offset); |
| size = sd_ptr->func; |
| bcmsdh_reg_write(bus->sdh, addr, size, sd_ptr->value); |
| if (bcmsdh_regfail(bus->sdh)) |
| bcmerror = BCME_SDIO_ERROR; |
| break; |
| } |
| |
| /* XXX Same as above */ |
| /* Same as above, but offset is not backplane (not SDIO core) */ |
| case IOV_GVAL(IOV_SBREG): |
| { |
| sdreg_t sdreg; |
| uint32 addr, size; |
| |
| bcopy(params, &sdreg, sizeof(sdreg)); |
| |
| addr = SI_ENUM_BASE(bus->sih) + sdreg.offset; |
| size = sdreg.func; |
| int_val = (int32)bcmsdh_reg_read(bus->sdh, addr, size); |
| if (bcmsdh_regfail(bus->sdh)) |
| bcmerror = BCME_SDIO_ERROR; |
| bcopy(&int_val, arg, sizeof(int32)); |
| break; |
| } |
| |
| case IOV_SVAL(IOV_SBREG): |
| { |
| sdreg_t sdreg; |
| uint32 addr, size; |
| |
| bcopy(params, &sdreg, sizeof(sdreg)); |
| |
| addr = SI_ENUM_BASE(bus->sih) + sdreg.offset; |
| size = sdreg.func; |
| bcmsdh_reg_write(bus->sdh, addr, size, sdreg.value); |
| if (bcmsdh_regfail(bus->sdh)) |
| bcmerror = BCME_SDIO_ERROR; |
| break; |
| } |
| |
| case IOV_GVAL(IOV_SDCIS): |
| { |
| *(char *)arg = 0; |
| |
| /* XXX Ignoring return codes, should be evident from printed results */ |
| bcmstrcat(arg, "\nFunc 0\n"); |
| bcmsdh_cis_read(bus->sdh, 0x10, (uint8 *)arg + strlen(arg), SBSDIO_CIS_SIZE_LIMIT); |
| bcmstrcat(arg, "\nFunc 1\n"); |
| bcmsdh_cis_read(bus->sdh, 0x11, (uint8 *)arg + strlen(arg), SBSDIO_CIS_SIZE_LIMIT); |
| bcmstrcat(arg, "\nFunc 2\n"); |
| bcmsdh_cis_read(bus->sdh, 0x12, (uint8 *)arg + strlen(arg), SBSDIO_CIS_SIZE_LIMIT); |
| break; |
| } |
| |
| case IOV_GVAL(IOV_FORCEEVEN): |
| int_val = (int32)forcealign; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_FORCEEVEN): |
| forcealign = bool_val; |
| break; |
| |
| case IOV_GVAL(IOV_TXBOUND): |
| int_val = (int32)dhd_txbound; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_TXBOUND): |
| dhd_txbound = (uint)int_val; |
| break; |
| |
| case IOV_GVAL(IOV_RXBOUND): |
| int_val = (int32)dhd_rxbound; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_RXBOUND): |
| dhd_rxbound = (uint)int_val; |
| break; |
| |
| case IOV_GVAL(IOV_TXMINMAX): |
| int_val = (int32)dhd_txminmax; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_TXMINMAX): |
| dhd_txminmax = (uint)int_val; |
| break; |
| |
| #ifdef DHD_DEBUG |
| case IOV_GVAL(IOV_SERIALCONS): |
| int_val = dhd_serialconsole(bus, FALSE, 0, &bcmerror); |
| if (bcmerror != 0) |
| break; |
| |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_SERIALCONS): |
| dhd_serialconsole(bus, TRUE, bool_val, &bcmerror); |
| break; |
| #endif /* DHD_DEBUG */ |
| |
| #endif /* DHD_DEBUG */ |
| |
| #if defined(DHD_SPROM) |
| case IOV_SVAL(IOV_SPROM): |
| case IOV_GVAL(IOV_SPROM): |
| { |
| uint32 offset; |
| uint size, dsize; |
| |
| bool set = (actionid == IOV_SVAL(IOV_SPROM)); |
| |
| ASSERT(plen >= 2*sizeof(int)); |
| |
| offset = (uint32)int_val; |
| bcopy((char *)params + sizeof(int_val), &int_val, sizeof(int_val)); |
| size = (uint)int_val; |
| |
| /* Avoid bigger size of srom reads that may be requested from app. |
| * gSPI has only F1 OTP visible from CC. There is no CIS in gSPI. |
| */ |
| if (bus->bus == SPI_BUS) |
| size = SBSDIO_CIS_SIZE_LIMIT; |
| |
| /* Do some validation */ |
| dsize = set ? plen - (2 * sizeof(int)) : len; |
| if (dsize < size) { |
| DHD_ERROR(("%s: error on srom %s, addr 0x%08x size %d dsize %d\n", |
| __FUNCTION__, (set ? "write" : "read"), offset, size, dsize)); |
| bcmerror = BCME_BADARG; |
| break; |
| } |
| |
| if ((offset > SROM_MAX) || ((offset + size) > SROM_MAX)) { |
| DHD_ERROR(("%s: error on srom %s, offset %d size %d exceeds limit %d\n", |
| __FUNCTION__, (set ? "write" : "read"), offset, size, SROM_MAX)); |
| bcmerror = BCME_BADARG; |
| break; |
| } |
| |
| if (!set) { |
| if (!ISALIGNED((uintptr)arg, sizeof(uint16))) { |
| DHD_ERROR(("%s: srom data pointer %p not word-aligned\n", |
| __FUNCTION__, arg)); |
| bcmerror = BCME_BADARG; |
| break; |
| } |
| |
| GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); |
| bcmerror = srom_read(bus->sih, DHD_BUS, (void*)bus->regs, bus->dhd->osh, |
| offset, size, (uint16*)arg, FALSE); |
| GCC_DIAGNOSTIC_POP(); |
| |
| } else { |
| arg = (void*)((uintptr)arg + 2 * sizeof(int)); |
| if (!ISALIGNED((uintptr)arg, sizeof(uint16))) { |
| DHD_ERROR(("%s: srom data pointer %p not word-aligned\n", |
| __FUNCTION__, arg)); |
| bcmerror = BCME_BADARG; |
| break; |
| } |
| GCC_DIAGNOSTIC_PUSH_SUPPRESS_CAST(); |
| bcmerror = srom_write(bus->sih, DHD_BUS, (void*)bus->regs, bus->dhd->osh, |
| offset, size, (uint16*)arg); |
| GCC_DIAGNOSTIC_POP(); |
| } |
| break; |
| } |
| #endif /* DHD_SPROM */ |
| |
| #ifdef SDTEST |
| case IOV_GVAL(IOV_EXTLOOP): |
| int_val = (int32)bus->ext_loop; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_EXTLOOP): |
| bus->ext_loop = bool_val; |
| break; |
| |
| case IOV_GVAL(IOV_PKTGEN): |
| bcmerror = dhdsdio_pktgen_get(bus, arg); |
| break; |
| |
| case IOV_SVAL(IOV_PKTGEN): |
| bcmerror = dhdsdio_pktgen_set(bus, arg); |
| break; |
| #endif /* SDTEST */ |
| |
| #if defined(USE_SDIOFIFO_IOVAR) |
| case IOV_GVAL(IOV_WATERMARK): |
| int_val = (int32)watermark; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_WATERMARK): |
| watermark = (uint)int_val; |
| watermark = (watermark > SBSDIO_WATERMARK_MASK) ? SBSDIO_WATERMARK_MASK : watermark; |
| DHD_ERROR(("Setting watermark as 0x%x.\n", watermark)); |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_WATERMARK, (uint8)watermark, NULL); |
| break; |
| |
| case IOV_GVAL(IOV_MESBUSYCTRL): |
| int_val = (int32)mesbusyctrl; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_MESBUSYCTRL): |
| mesbusyctrl = (uint)int_val; |
| mesbusyctrl = (mesbusyctrl > SBSDIO_MESBUSYCTRL_MASK) |
| ? SBSDIO_MESBUSYCTRL_MASK : mesbusyctrl; |
| DHD_ERROR(("Setting mesbusyctrl as 0x%x.\n", mesbusyctrl)); |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_MESBUSYCTRL, |
| ((uint8)mesbusyctrl | 0x80), NULL); |
| break; |
| #endif |
| |
| case IOV_GVAL(IOV_DONGLEISOLATION): |
| int_val = bus->dhd->dongle_isolation; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_DONGLEISOLATION): |
| bus->dhd->dongle_isolation = bool_val; |
| break; |
| |
| case IOV_SVAL(IOV_DEVRESET): |
| DHD_TRACE(("%s: Called set IOV_DEVRESET=%d dongle_reset=%d busstate=%d\n", |
| __FUNCTION__, bool_val, bus->dhd->dongle_reset, |
| bus->dhd->busstate)); |
| |
| ASSERT(bus->dhd->osh); |
| /* ASSERT(bus->cl_devid); */ |
| |
| /* must release sdlock, since devreset also acquires it */ |
| dhd_os_sdunlock(bus->dhd); |
| dhd_bus_devreset(bus->dhd, (uint8)bool_val); |
| dhd_os_sdlock(bus->dhd); |
| break; |
| /* |
| * softap firmware is updated through module parameter or android private command |
| */ |
| |
| case IOV_GVAL(IOV_DEVRESET): |
| DHD_TRACE(("%s: Called get IOV_DEVRESET\n", __FUNCTION__)); |
| |
| /* Get its status */ |
| int_val = (bool) bus->dhd->dongle_reset; |
| bcopy(&int_val, arg, val_size); |
| |
| break; |
| |
| case IOV_GVAL(IOV_KSO): |
| int_val = dhdsdio_sleepcsr_get(bus); |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_GVAL(IOV_DEVCAP): |
| int_val = dhdsdio_devcap_get(bus); |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_DEVCAP): |
| dhdsdio_devcap_set(bus, (uint8) int_val); |
| break; |
| case IOV_GVAL(IOV_TXGLOMSIZE): |
| int_val = (int32)bus->txglomsize; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_TXGLOMSIZE): |
| if (int_val > SDPCM_MAXGLOM_SIZE) { |
| bcmerror = BCME_ERROR; |
| } else { |
| bus->txglomsize = (uint)int_val; |
| } |
| break; |
| case IOV_SVAL(IOV_HANGREPORT): |
| bus->dhd->hang_report = bool_val; |
| DHD_ERROR(("%s: Set hang_report as %d\n", __FUNCTION__, bus->dhd->hang_report)); |
| break; |
| |
| case IOV_GVAL(IOV_HANGREPORT): |
| int_val = (int32)bus->dhd->hang_report; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_GVAL(IOV_TXINRX_THRES): |
| int_val = bus->txinrx_thres; |
| bcopy(&int_val, arg, val_size); |
| break; |
| case IOV_SVAL(IOV_TXINRX_THRES): |
| if (int_val < 0) { |
| bcmerror = BCME_BADARG; |
| } else { |
| bus->txinrx_thres = int_val; |
| } |
| break; |
| |
| case IOV_GVAL(IOV_SDIO_SUSPEND): |
| int_val = (bus->dhd->busstate == DHD_BUS_SUSPEND) ? 1 : 0; |
| bcopy(&int_val, arg, val_size); |
| break; |
| |
| case IOV_SVAL(IOV_SDIO_SUSPEND): |
| if (bool_val) { /* Suspend */ |
| dhdsdio_suspend(bus); |
| } |
| else { /* Resume */ |
| dhdsdio_resume(bus); |
| } |
| break; |
| |
| #if defined(DEBUGGER) || defined(DHD_DSCOPE) |
| case IOV_SVAL(IOV_GDB_SERVER): |
| if (bool_val == TRUE) { |
| debugger_init((void *) bus, &bus_ops, int_val, SI_ENUM_BASE(bus->sih)); |
| } else { |
| debugger_close(); |
| } |
| break; |
| #endif /* DEBUGGER || DHD_DSCOPE */ |
| |
| default: |
| bcmerror = BCME_UNSUPPORTED; |
| break; |
| } |
| |
| exit: |
| if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched && |
| NO_OTHER_ACTIVE_BUS_USER(bus)) { |
| bus->activity = FALSE; |
| dhdsdio_bussleep(bus, TRUE); |
| dhdsdio_clkctl(bus, CLK_NONE, FALSE); |
| } |
| |
| dhd_os_sdunlock(bus->dhd); |
| |
| return bcmerror; |
| } |
| |
| static int |
| dhdsdio_write_vars(dhd_bus_t *bus) |
| { |
| int bcmerror = 0; |
| uint32 varsize, phys_size; |
| uint32 varaddr; |
| uint8 *vbuffer; |
| uint32 varsizew; |
| #ifdef DHD_DEBUG |
| uint8 *nvram_ularray; |
| #endif /* DHD_DEBUG */ |
| |
| /* Even if there are no vars are to be written, we still need to set the ramsize. */ |
| varsize = bus->varsz ? ROUNDUP(bus->varsz, 4) : 0; |
| varaddr = (bus->ramsize - 4) - varsize; |
| |
| varaddr += bus->dongle_ram_base; |
| |
| if (bus->vars) { |
| /* XXX: WAR for PR85623 */ |
| if ((bus->sih->buscoretype == SDIOD_CORE_ID) && (bus->sdpcmrev == 7)) { |
| if (((varaddr & 0x3C) == 0x3C) && (varsize > 4)) { |
| DHD_ERROR(("PR85623WAR in place\n")); |
| varsize += 4; |
| varaddr -= 4; |
| } |
| } |
| |
| /* XXX In case the controller has trouble with odd bytes... */ |
| vbuffer = (uint8 *)MALLOC(bus->dhd->osh, varsize); |
| if (!vbuffer) |
| return BCME_NOMEM; |
| |
| bzero(vbuffer, varsize); |
| bcopy(bus->vars, vbuffer, bus->varsz); |
| |
| /* Write the vars list */ |
| bcmerror = dhdsdio_membytes(bus, TRUE, varaddr, vbuffer, varsize); |
| if (bcmerror) { |
| DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n", |
| __FUNCTION__, bcmerror, varsize, varaddr)); |
| return bcmerror; |
| } |
| |
| #ifdef DHD_DEBUG |
| /* Verify NVRAM bytes */ |
| DHD_INFO(("Compare NVRAM dl & ul; varsize=%d\n", varsize)); |
| nvram_ularray = (uint8*)MALLOC(bus->dhd->osh, varsize); |
| if (!nvram_ularray) { |
| MFREE(bus->dhd->osh, vbuffer, varsize); |
| return BCME_NOMEM; |
| } |
| |
| /* Upload image to verify downloaded contents. */ |
| memset(nvram_ularray, 0xaa, varsize); |
| |
| /* Read the vars list to temp buffer for comparison */ |
| bcmerror = dhdsdio_membytes(bus, FALSE, varaddr, nvram_ularray, varsize); |
| if (bcmerror) { |
| DHD_ERROR(("%s: error %d on reading %d nvram bytes at 0x%08x\n", |
| __FUNCTION__, bcmerror, varsize, varaddr)); |
| } |
| /* Compare the org NVRAM with the one read from RAM */ |
| if (memcmp(vbuffer, nvram_ularray, varsize)) { |
| DHD_ERROR(("%s: Downloaded NVRAM image is corrupted.\n", __FUNCTION__)); |
| } else |
| DHD_ERROR(("%s: Download, Upload and compare of NVRAM succeeded.\n", |
| __FUNCTION__)); |
| |
| MFREE(bus->dhd->osh, nvram_ularray, varsize); |
| #endif /* DHD_DEBUG */ |
| |
| MFREE(bus->dhd->osh, vbuffer, varsize); |
| } |
| |
| phys_size = REMAP_ENAB(bus) ? bus->ramsize : bus->orig_ramsize; |
| |
| phys_size += bus->dongle_ram_base; |
| |
| /* adjust to the user specified RAM */ |
| DHD_INFO(("Physical memory size: %d, usable memory size: %d\n", |
| phys_size, bus->ramsize)); |
| DHD_INFO(("Vars are at %d, orig varsize is %d\n", |
| varaddr, varsize)); |
| varsize = ((phys_size - 4) - varaddr); |
| |
| /* |
| * Determine the length token: |
| * Varsize, converted to words, in lower 16-bits, checksum in upper 16-bits. |
| */ |
| #ifdef DHD_DEBUG |
| if (bcmerror) { |
| varsizew = 0; |
| } else |
| #endif /* DHD_DEBUG */ |
| { |
| varsizew = varsize / 4; |
| varsizew = (~varsizew << 16) | (varsizew & 0x0000FFFF); |
| varsizew = htol32(varsizew); |
| } |
| |
| DHD_INFO(("New varsize is %d, length token=0x%08x\n", varsize, varsizew)); |
| |
| /* Write the length token to the last word */ |
| bcmerror = dhdsdio_membytes(bus, TRUE, (phys_size - 4), |
| (uint8*)&varsizew, 4); |
| |
| return bcmerror; |
| } |
| |
| bool |
| dhd_bus_is_multibp_capable(struct dhd_bus *bus) |
| { |
| return MULTIBP_CAP(bus->sih); |
| } |
| |
| static int |
| dhdsdio_download_state(dhd_bus_t *bus, bool enter) |
| { |
| uint retries; |
| int bcmerror = 0; |
| int foundcr4 = 0; |
| |
| if (!bus->sih) |
| return BCME_ERROR; |
| /* To enter download state, disable ARM and reset SOCRAM. |
| * To exit download state, simply reset ARM (default is RAM boot). |
| */ |
| if (enter) { |
| bus->alp_only = TRUE; |
| |
| if (!(si_setcore(bus->sih, ARM7S_CORE_ID, 0)) && |
| !(si_setcore(bus->sih, ARMCM3_CORE_ID, 0))) { |
| if (si_setcore(bus->sih, ARMCR4_CORE_ID, 0)) { |
| foundcr4 = 1; |
| } else { |
| DHD_ERROR(("%s: Failed to find ARM core!\n", __FUNCTION__)); |
| bcmerror = BCME_ERROR; |
| goto fail; |
| } |
| } |
| |
| if (!foundcr4) { |
| si_core_disable(bus->sih, 0); |
| if (bcmsdh_regfail(bus->sdh)) { |
| bcmerror = BCME_SDIO_ERROR; |
| goto fail; |
| } |
| |
| if (!(si_setcore(bus->sih, SOCRAM_CORE_ID, 0))) { |
| DHD_ERROR(("%s: Failed to find SOCRAM core!\n", __FUNCTION__)); |
| bcmerror = BCME_ERROR; |
| goto fail; |
| } |
| |
| si_core_reset(bus->sih, 0, 0); |
| if (bcmsdh_regfail(bus->sdh)) { |
| DHD_ERROR(("%s: Failure trying reset SOCRAM core?\n", |
| __FUNCTION__)); |
| bcmerror = BCME_SDIO_ERROR; |
| goto fail; |
| } |
| |
| if (CHIPID(bus->sih->chip) == BCM43430_CHIP_ID || |
| CHIPID(bus->sih->chip) == BCM43018_CHIP_ID) { |
| /* Disabling Remap for SRAM_3 */ |
| si_socram_set_bankpda(bus->sih, 0x3, 0x0); |
| } |
| |
| /* Clear the top bit of memory */ |
| if (bus->ramsize) { |
| uint32 zeros = 0; |
| if (dhdsdio_membytes(bus, TRUE, bus->ramsize - 4, |
| (uint8*)&zeros, 4) < 0) { |
| bcmerror = BCME_SDIO_ERROR; |
| goto fail; |
| } |
| } |
| } else { |
| /* For CR4, |
| * Halt ARM |
| * Remove ARM reset |
| * Read RAM base address [0x18_0000] |
| * [next] Download firmware |
| * [done at else] Populate the reset vector |
| * [done at else] Remove ARM halt |
| */ |
| /* Halt ARM & remove reset */ |
| si_core_reset(bus->sih, SICF_CPUHALT, SICF_CPUHALT); |
| } |
| } else { |
| if (!si_setcore(bus->sih, ARMCR4_CORE_ID, 0)) { |
| if (!(si_setcore(bus->sih, SOCRAM_CORE_ID, 0))) { |
| DHD_ERROR(("%s: Failed to find SOCRAM core!\n", __FUNCTION__)); |
| bcmerror = BCME_ERROR; |
| goto fail; |
| } |
| |
| if (!si_iscoreup(bus->sih)) { |
| DHD_ERROR(("%s: SOCRAM core is down after reset?\n", __FUNCTION__)); |
| bcmerror = BCME_ERROR; |
| goto fail; |
| } |
| |
| if ((bcmerror = dhdsdio_write_vars(bus))) { |
| DHD_ERROR(("%s: could not write vars to RAM\n", __FUNCTION__)); |
| goto fail; |
| } |
| |
| #ifdef BCMSDIOLITE |
| if (!si_setcore(bus->sih, CC_CORE_ID, 0)) { |
| DHD_ERROR(("%s: Can't set to Chip Common core?\n", __FUNCTION__)); |
| bcmerror = BCME_ERROR; |
| goto fail; |
| } |
| #else |
| if (!si_setcore(bus->sih, PCMCIA_CORE_ID, 0) && |
| !si_setcore(bus->sih, SDIOD_CORE_ID, 0)) { |
| DHD_ERROR(("%s: Can't change back to SDIO core?\n", __FUNCTION__)); |
| bcmerror = BCME_ERROR; |
| goto fail; |
| } |
| #endif |
| W_SDREG(0xFFFFFFFF, &bus->regs->intstatus, retries); |
| |
| /* XXX Change standby configuration here if necessary */ |
| |
| if (!(si_setcore(bus->sih, ARM7S_CORE_ID, 0)) && |
| !(si_setcore(bus->sih, ARMCM3_CORE_ID, 0))) { |
| DHD_ERROR(("%s: Failed to find ARM core!\n", __FUNCTION__)); |
| bcmerror = BCME_ERROR; |
| goto fail; |
| } |
| } else { |
| /* cr4 has no socram, but tcm's */ |
| /* write vars */ |
| if ((bcmerror = dhdsdio_write_vars(bus))) { |
| DHD_ERROR(("%s: could not write vars to RAM\n", __FUNCTION__)); |
| goto fail; |
| } |
| #ifdef BCMSDIOLITE |
| if (!si_setcore(bus->sih, CC_CORE_ID, 0)) { |
| DHD_ERROR(("%s: Can't set to Chip Common core?\n", __FUNCTION__)); |
| bcmerror = BCME_ERROR; |
| goto fail; |
| } |
| #else |
| if (!si_setcore(bus->sih, PCMCIA_CORE_ID, 0) && |
| !si_setcore(bus->sih, SDIOD_CORE_ID, 0)) { |
| DHD_ERROR(("%s: Can't change back to SDIO core?\n", __FUNCTION__)); |
| bcmerror = BCME_ERROR; |
| goto fail; |
| } |
| #endif |
| W_SDREG(0xFFFFFFFF, &bus->regs->intstatus, retries); |
| |
| /* switch back to arm core again */ |
| if (!(si_setcore(bus->sih, ARMCR4_CORE_ID, 0))) { |
| DHD_ERROR(("%s: Failed to find ARM CR4 core!\n", __FUNCTION__)); |
| bcmerror = BCME_ERROR; |
| goto fail; |
| } |
| /* write address 0 with reset instruction */ |
| bcmerror = dhdsdio_membytes(bus, TRUE, 0, |
| (uint8 *)&bus->resetinstr, sizeof(bus->resetinstr)); |
| |
| if (bcmerror == BCME_OK) { |
| uint32 tmp; |
| |
| /* verify write */ |
| bcmerror = dhdsdio_membytes(bus, FALSE, 0, |
| (uint8 *)&tmp, sizeof(tmp)); |
| |
| if (bcmerror == BCME_OK && tmp != bus->resetinstr) { |
| DHD_ERROR(("%s: Failed to write 0x%08x to addr 0\n", |
| __FUNCTION__, bus->resetinstr)); |
| DHD_ERROR(("%s: contents of addr 0 is 0x%08x\n", |
| __FUNCTION__, tmp)); |
| bcmerror = BCME_SDIO_ERROR; |
| goto fail; |
| } |
| } |
| |
| /* now remove reset and halt and continue to run CR4 */ |
| } |
| |
| si_core_reset(bus->sih, 0, 0); |
| if (bcmsdh_regfail(bus->sdh)) { |
| DHD_ERROR(("%s: Failure trying to reset ARM core?\n", __FUNCTION__)); |
| bcmerror = BCME_SDIO_ERROR; |
| goto fail; |
| } |
| |
| /* Allow HT Clock now that the ARM is running. */ |
| bus->alp_only = FALSE; |
| |
| bus->dhd->busstate = DHD_BUS_LOAD; |
| } |
| |
| fail: |
| /* Always return to SDIOD core */ |
| if (!si_setcore(bus->sih, PCMCIA_CORE_ID, 0)) |
| si_setcore(bus->sih, SDIOD_CORE_ID, 0); |
| |
| return bcmerror; |
| } |
| |
| int |
| dhd_bus_iovar_op(dhd_pub_t *dhdp, const char *name, |
| void *params, uint plen, void *arg, uint len, bool set) |
| { |
| dhd_bus_t *bus = dhdp->bus; |
| const bcm_iovar_t *vi = NULL; |
| int bcmerror = 0; |
| uint val_size; |
| uint32 actionid; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| ASSERT(name); |
| |
| /* Get MUST have return space */ |
| ASSERT(set || (arg && len)); |
| |
| /* Set does NOT take qualifiers */ |
| ASSERT(!set || (!params && !plen)); |
| |
| /* Look up var locally; if not found pass to host driver */ |
| if ((vi = bcm_iovar_lookup(dhdsdio_iovars, name)) == NULL) { |
| dhd_os_sdlock(bus->dhd); |
| |
| BUS_WAKE(bus); |
| |
| /* Turn on clock in case SD command needs backplane */ |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| bcmerror = bcmsdh_iovar_op(bus->sdh, name, params, plen, arg, len, set); |
| |
| /* Check for bus configuration changes of interest */ |
| |
| /* If it was divisor change, read the new one */ |
| if (set && strcmp(name, "sd_divisor") == 0) { |
| if (bcmsdh_iovar_op(bus->sdh, "sd_divisor", NULL, 0, |
| &bus->sd_divisor, sizeof(int32), FALSE) != BCME_OK) { |
| bus->sd_divisor = -1; |
| DHD_ERROR(("%s: fail on %s get\n", __FUNCTION__, name)); |
| } else { |
| DHD_INFO(("%s: noted %s update, value now %d\n", |
| __FUNCTION__, name, bus->sd_divisor)); |
| } |
| } |
| /* If it was a mode change, read the new one */ |
| if (set && strcmp(name, "sd_mode") == 0) { |
| if (bcmsdh_iovar_op(bus->sdh, "sd_mode", NULL, 0, |
| &bus->sd_mode, sizeof(int32), FALSE) != BCME_OK) { |
| bus->sd_mode = -1; |
| DHD_ERROR(("%s: fail on %s get\n", __FUNCTION__, name)); |
| } else { |
| DHD_INFO(("%s: noted %s update, value now %d\n", |
| __FUNCTION__, name, bus->sd_mode)); |
| } |
| } |
| /* Similar check for blocksize change */ |
| if (set && strcmp(name, "sd_blocksize") == 0) { |
| int32 fnum = 2; |
| if (bcmsdh_iovar_op(bus->sdh, "sd_blocksize", &fnum, sizeof(int32), |
| &bus->blocksize, sizeof(int32), FALSE) != BCME_OK) { |
| bus->blocksize = 0; |
| DHD_ERROR(("%s: fail on %s get\n", __FUNCTION__, "sd_blocksize")); |
| } else { |
| DHD_INFO(("%s: noted %s update, value now %d\n", |
| __FUNCTION__, "sd_blocksize", bus->blocksize)); |
| |
| dhdsdio_tune_fifoparam(bus); |
| } |
| } |
| bus->roundup = MIN(max_roundup, bus->blocksize); |
| |
| if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched && |
| NO_OTHER_ACTIVE_BUS_USER(bus)) { |
| bus->activity = FALSE; |
| dhdsdio_bussleep(bus, TRUE); |
| dhdsdio_clkctl(bus, CLK_NONE, FALSE); |
| } |
| |
| dhd_os_sdunlock(bus->dhd); |
| goto exit; |
| } |
| |
| DHD_CTL(("%s: %s %s, len %d plen %d\n", __FUNCTION__, |
| name, (set ? "set" : "get"), len, plen)); |
| |
| /* set up 'params' pointer in case this is a set command so that |
| * the convenience int and bool code can be common to set and get |
| */ |
| if (params == NULL) { |
| params = arg; |
| plen = len; |
| } |
| |
| if (vi->type == IOVT_VOID) |
| val_size = 0; |
| else if (vi->type == IOVT_BUFFER) |
| val_size = len; |
| else |
| /* all other types are integer sized */ |
| val_size = sizeof(int); |
| |
| actionid = set ? IOV_SVAL(vi->varid) : IOV_GVAL(vi->varid); |
| bcmerror = dhdsdio_doiovar(bus, vi, actionid, name, params, plen, arg, len, val_size); |
| |
| exit: |
| return bcmerror; |
| } |
| |
| void |
| dhd_bus_stop(struct dhd_bus *bus, bool enforce_mutex) |
| { |
| osl_t *osh; |
| uint32 local_hostintmask; |
| uint8 saveclk; |
| uint retries; |
| int err; |
| bool wlfc_enabled = FALSE; |
| unsigned long flags; |
| |
| if (!bus->dhd) |
| return; |
| |
| osh = bus->dhd->osh; |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| bcmsdh_waitlockfree(bus->sdh); |
| |
| if (enforce_mutex) |
| dhd_os_sdlock(bus->dhd); |
| |
| if ((bus->dhd->busstate == DHD_BUS_DOWN) || bus->dhd->hang_was_sent) { |
| /* if Firmware already hangs disbale any interrupt */ |
| DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__)); |
| bus->dhd->busstate = DHD_BUS_DOWN; |
| bus->hostintmask = 0; |
| bcmsdh_intr_disable(bus->sdh); |
| } else { |
| |
| BUS_WAKE(bus); |
| |
| if (KSO_ENAB(bus)) { |
| |
| /* Enable clock for device interrupts */ |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| /* Disable and clear interrupts at the chip level also */ |
| W_SDREG(0, &bus->regs->hostintmask, retries); |
| local_hostintmask = bus->hostintmask; |
| bus->hostintmask = 0; |
| |
| /* Change our idea of bus state */ |
| DHD_LINUX_GENERAL_LOCK(bus->dhd, flags); |
| DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__)); |
| bus->dhd->busstate = DHD_BUS_DOWN; |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| |
| /* Force clocks on backplane to be sure F2 interrupt propagates */ |
| saveclk = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, &err); |
| if (!err) { |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, |
| (saveclk | SBSDIO_FORCE_HT), &err); |
| } |
| if (err) { |
| DHD_ERROR(("%s: Failed to force clock for F2: err %d\n", |
| __FUNCTION__, err)); |
| } |
| |
| /* Turn off the bus (F2), free any pending packets */ |
| /* XXX How to wake up any waiting processes? */ |
| /* XXX New API: bcmsdh_fn_set(bus->sdh, SDIO_FUNC_2, FALSE); */ |
| DHD_INTR(("%s: disable SDIO interrupts\n", __FUNCTION__)); |
| #if !defined(NDIS) |
| bcmsdh_intr_disable(bus->sdh); /* XXX bcmsdh_intr_mask(bus->sdh); */ |
| #endif /* !defined(NDIS) */ |
| #ifndef BCMSPI |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_IOEN, SDIO_FUNC_ENABLE_1, NULL); |
| #endif /* !BCMSPI */ |
| |
| /* Clear any pending interrupts now that F2 is disabled */ |
| W_SDREG(local_hostintmask, &bus->regs->intstatus, retries); |
| } |
| |
| /* Turn off the backplane clock (only) */ |
| dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); |
| } |
| |
| #ifdef PROP_TXSTATUS |
| wlfc_enabled = (dhd_wlfc_cleanup_txq(bus->dhd, NULL, 0) != WLFC_UNSUPPORTED); |
| #endif |
| if (!wlfc_enabled) { |
| #ifdef DHDTCPACK_SUPPRESS |
| /* Clean tcp_ack_info_tbl in order to prevent access to flushed pkt, |
| * when there is a newly coming packet from network stack. |
| */ |
| dhd_tcpack_info_tbl_clean(bus->dhd); |
| #endif /* DHDTCPACK_SUPPRESS */ |
| dhd_os_sdlock_txq(bus->dhd); |
| /* Clear the data packet queues */ |
| pktq_flush(osh, &bus->txq, TRUE); |
| dhd_os_sdunlock_txq(bus->dhd); |
| } |
| |
| /* Clear any held glomming stuff */ |
| if (bus->glomd) |
| PKTFREE(osh, bus->glomd, FALSE); |
| |
| if (bus->glom) |
| PKTFREE(osh, bus->glom, FALSE); |
| |
| bus->glom = bus->glomd = NULL; |
| |
| /* Clear rx control and wake any waiters */ |
| /* XXX More important in disconnect, but no context? */ |
| bus->rxlen = 0; |
| dhd_os_ioctl_resp_wake(bus->dhd); |
| |
| /* Reset some F2 state stuff */ |
| bus->rxskip = FALSE; |
| bus->tx_seq = bus->rx_seq = 0; |
| |
| /* Initializing tx_max to a reasonable value to start xfer |
| * Gets updated to correct value after receving the first |
| * packet from firmware |
| * XXX - Need to find a right mechanism to querry from |
| * firmware when the device is coming up |
| */ |
| bus->tx_max = 4; |
| |
| if (enforce_mutex) |
| dhd_os_sdunlock(bus->dhd); |
| } |
| |
| #if defined(BCMSDIOH_TXGLOM) && defined(BCMSDIOH_STD) |
| extern uint sd_txglom; |
| #endif |
| void |
| dhd_txglom_enable(dhd_pub_t *dhdp, bool enable) |
| { |
| /* can't enable host txglom by default, some platforms have no |
| * (or crappy) ADMA support and txglom will cause kernel assertions (e.g. |
| * panda board) |
| */ |
| dhd_bus_t *bus = dhdp->bus; |
| #ifdef BCMSDIOH_TXGLOM |
| uint32 rxglom; |
| int32 ret; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| #ifdef BCMSDIOH_STD |
| if (enable) |
| enable = sd_txglom; |
| #endif /* BCMSDIOH_STD */ |
| |
| if (enable) { |
| rxglom = 1; |
| ret = dhd_iovar(dhdp, 0, "bus:rxglom", (char *)&rxglom, sizeof(rxglom), NULL, 0, |
| TRUE); |
| if (ret >= 0) |
| bus->txglom_enable = TRUE; |
| else { |
| #ifdef BCMSDIOH_STD |
| sd_txglom = 0; |
| #endif /* BCMSDIOH_STD */ |
| bus->txglom_enable = FALSE; |
| } |
| } else |
| #endif /* BCMSDIOH_TXGLOM */ |
| bus->txglom_enable = FALSE; |
| } |
| |
| int |
| dhd_bus_init(dhd_pub_t *dhdp, bool enforce_mutex) |
| { |
| dhd_bus_t *bus = dhdp->bus; |
| dhd_timeout_t tmo; |
| uint retries = 0; |
| uint8 ready, enable; |
| int err, ret = 0; |
| #ifdef BCMSPI |
| uint32 dstatus = 0; /* gSPI device-status bits */ |
| #else /* BCMSPI */ |
| uint8 saveclk; |
| #endif /* BCMSPI */ |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| ASSERT(bus->dhd); |
| if (!bus->dhd) |
| return 0; |
| |
| if (enforce_mutex) |
| dhd_os_sdlock(bus->dhd); |
| |
| /* Make sure backplane clock is on, needed to generate F2 interrupt */ |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| if (bus->clkstate != CLK_AVAIL) { |
| DHD_ERROR(("%s: clock state is wrong. state = %d\n", __FUNCTION__, bus->clkstate)); |
| ret = -1; |
| goto exit; |
| } |
| |
| #ifdef BCMSPI |
| /* fake "ready" for spi, wake-wlan would have already enabled F1 and F2 */ |
| ready = (SDIO_FUNC_ENABLE_1 | SDIO_FUNC_ENABLE_2); |
| enable = 0; |
| |
| /* Give the dongle some time to do its thing and set IOR2 */ |
| dhd_timeout_start(&tmo, WAIT_F2RXFIFORDY * WAIT_F2RXFIFORDY_DELAY * 1000); |
| while (!enable && !dhd_timeout_expired(&tmo)) { |
| dstatus = bcmsdh_cfg_read_word(bus->sdh, SDIO_FUNC_0, SPID_STATUS_REG, NULL); |
| if (dstatus & STATUS_F2_RX_READY) |
| enable = TRUE; |
| } |
| |
| if (enable) { |
| DHD_ERROR(("Took %u usec before dongle is ready\n", tmo.elapsed)); |
| enable = ready; |
| } else { |
| DHD_ERROR(("dstatus when timed out on f2-fifo not ready = 0x%x\n", dstatus)); |
| DHD_ERROR(("Waited %u usec, dongle is not ready\n", tmo.elapsed)); |
| ret = -1; |
| goto exit; |
| } |
| |
| #else /* !BCMSPI */ |
| /* Force clocks on backplane to be sure F2 interrupt propagates */ |
| saveclk = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, &err); |
| |
| if (!err) { |
| #ifndef BCMQT |
| /* QT requires HT clock */ |
| if (bus->sih->chip == BCM43012_CHIP_ID || |
| bus->sih->chip == BCM43013_CHIP_ID || |
| bus->sih->chip == BCM43014_CHIP_ID) { |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, |
| (saveclk | SBSDIO_HT_AVAIL_REQ), &err); |
| } else |
| #endif /* BCMQT */ |
| { |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, |
| (saveclk | SBSDIO_FORCE_HT), &err); |
| } |
| } |
| |
| if (err) { |
| DHD_ERROR(("%s: Failed to force clock for F2: err %d\n", __FUNCTION__, err)); |
| ret = -1; |
| goto exit; |
| } |
| |
| /* Enable function 2 (frame transfers) */ |
| /* XXX New API: change to bcmsdh_fn_set(sdh, SDIO_FUNC_2, TRUE); */ |
| W_SDREG((SDPCM_PROT_VERSION << SMB_DATA_VERSION_SHIFT), |
| &bus->regs->tosbmailboxdata, retries); |
| enable = (SDIO_FUNC_ENABLE_1 | SDIO_FUNC_ENABLE_2); |
| |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_IOEN, enable, NULL); |
| |
| /* Give the dongle some time to do its thing and set IOR2 */ |
| #ifdef BCMSLTGT |
| dhd_timeout_start(&tmo, DHD_WAIT_F2RDY * 1000 * htclkratio); |
| #else |
| dhd_timeout_start(&tmo, DHD_WAIT_F2RDY * 1000); |
| #endif /* BCMSLTGT */ |
| |
| ready = 0; |
| while (ready != enable && !dhd_timeout_expired(&tmo)) |
| ready = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_IORDY, NULL); |
| |
| #endif /* !BCMSPI */ |
| |
| DHD_ERROR(("%s: enable 0x%02x, ready 0x%02x (waited %uus)\n", |
| __FUNCTION__, enable, ready, tmo.elapsed)); |
| |
| /* XXX For simplicity, fail and await next call if F2 not ready. |
| * XXX Should really set timer to poll, and/or enable interrupt; |
| * XXX then put this process in wait until a result... |
| */ |
| |
| /* If F2 successfully enabled, set core and enable interrupts */ |
| if (ready == enable) { |
| /* Make sure we're talking to the core. */ |
| #ifdef BCMSDIOLITE |
| bus->regs = si_setcore(bus->sih, CC_CORE_ID, 0); |
| ASSERT(bus->regs != NULL); |
| #else |
| if (!(bus->regs = si_setcore(bus->sih, PCMCIA_CORE_ID, 0))) |
| bus->regs = si_setcore(bus->sih, SDIOD_CORE_ID, 0); |
| ASSERT(bus->regs != NULL); |
| #endif |
| /* Set up the interrupt mask and enable interrupts */ |
| bus->hostintmask = HOSTINTMASK; |
| /* corerev 4 could use the newer interrupt logic to detect the frames */ |
| #ifndef BCMSPI |
| if ((bus->sih->buscoretype == SDIOD_CORE_ID) && (bus->sdpcmrev == 4) && |
| (bus->rxint_mode != SDIO_DEVICE_HMB_RXINT)) { |
| bus->hostintmask &= ~I_HMB_FRAME_IND; |
| bus->hostintmask |= I_XMTDATA_AVAIL; |
| } |
| #endif /* BCMSPI */ |
| W_SDREG(bus->hostintmask, &bus->regs->hostintmask, retries); |
| |
| /* PR47410 - Lower F2 Watermark to avoid DMA Hang |
| * in F2 when SD Clock is stopped. |
| */ |
| if (bus->sih->buscorerev < 15) { |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, SBSDIO_WATERMARK, |
| (uint8)watermark, &err); |
| } |
| |
| /* Set bus state according to enable result */ |
| dhdp->busstate = DHD_BUS_DATA; |
| |
| /* Need to set fn2 block size to match fn1 block size. |
| * Requests to fn2 go thru fn1. * |
| * faltwig has this code contitioned with #if !BCMSPI_ANDROID. |
| * It would be cleaner to use the ->sdh->block_sz[fno] instead of |
| * 64, but this layer has no access to sdh types. |
| */ |
| #if defined(NDIS) |
| { |
| uint8 *ptr = NULL; |
| uint16 block_sz = 64; |
| ptr = (uint8*) &block_sz; |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_0, |
| (SDIOD_FBR_BASE(SDIO_FUNC_2) + SDIOD_CCCR_BLKSIZE_0), |
| *ptr++, &err); |
| if (err == BCME_OK) |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_0, |
| (SDIOD_FBR_BASE(SDIO_FUNC_2) + SDIOD_CCCR_BLKSIZE_1), |
| *ptr++, &err); |
| if (err != BCME_OK) { |
| printf("%s: set block size for func 2 failed\n", |
| __FUNCTION__); |
| ret = -1; |
| goto exit; |
| } |
| } |
| #endif /* NDIS */ |
| |
| /* XXX These need to change w/API updates */ |
| /* bcmsdh_intr_unmask(bus->sdh); */ |
| |
| bus->intdis = FALSE; |
| if (bus->intr) { |
| DHD_INTR(("%s: enable SDIO device interrupts\n", __FUNCTION__)); |
| } else { |
| DHD_INTR(("%s: disable SDIO interrupts\n", __FUNCTION__)); |
| bcmsdh_intr_disable(bus->sdh); |
| } |
| |
| #ifdef DEBUG_LOST_INTERRUPTS |
| { |
| uint32 intstatus; |
| bool hostpending; |
| uint8 devena, devpend; |
| uint sdr_retries = 0; |
| |
| hostpending = bcmsdh_intr_pending(bus->sdh); |
| devena = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_INTEN, NULL); |
| devpend = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_INTPEND, NULL); |
| |
| R_SDREG(intstatus, &bus->regs->intstatus, sdr_retries); |
| intstatus &= bus->hostintmask; |
| |
| DHD_ERROR(("%s: interrupts -- host %s device ena/pend 0x%02x/0x%02x\n" |
| "intstatus 0x%08x, hostmask 0x%08x\n", __FUNCTION__, |
| (hostpending ? "PENDING" : "NOT PENDING"), |
| devena, devpend, intstatus, bus->hostintmask)); |
| } |
| #endif /* DEBUG_LOST_INTERRUPTS */ |
| } |
| |
| #ifndef BCMSPI |
| |
| else { |
| /* Disable F2 again */ |
| enable = SDIO_FUNC_ENABLE_1; |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_IOEN, enable, NULL); |
| } |
| |
| if (dhdsdio_sr_cap(bus)) { |
| dhdsdio_sr_init(bus); |
| /* Masking the chip active interrupt permanantly */ |
| bus->hostintmask &= ~I_CHIPACTIVE; |
| W_SDREG(bus->hostintmask, &bus->regs->hostintmask, retries); |
| DHD_INFO(("%s: disable I_CHIPACTIVE in hostintmask[0x%08x]\n", |
| __FUNCTION__, bus->hostintmask)); |
| } else { |
| bcmsdh_cfg_write(bus->sdh, SDIO_FUNC_1, |
| SBSDIO_FUNC1_CHIPCLKCSR, saveclk, &err); |
| } |
| #endif /* !BCMSPI */ |
| |
| /* If we didn't come up, turn off backplane clock */ |
| if (dhdp->busstate != DHD_BUS_DATA) |
| dhdsdio_clkctl(bus, CLK_NONE, FALSE); |
| |
| exit: |
| if (enforce_mutex) |
| dhd_os_sdunlock(bus->dhd); |
| |
| /* XXX Temp errnum workaround: return ok, caller checks bus state */ |
| return ret; |
| } |
| |
| static void |
| dhdsdio_rxfail(dhd_bus_t *bus, bool abort, bool rtx) |
| { |
| bcmsdh_info_t *sdh = bus->sdh; |
| sdpcmd_regs_t *regs = bus->regs; |
| uint retries = 0; |
| uint16 lastrbc; |
| uint8 hi, lo; |
| int err; |
| |
| DHD_ERROR(("%s: %sterminate frame%s\n", __FUNCTION__, |
| (abort ? "abort command, " : ""), (rtx ? ", send NAK" : ""))); |
| |
| if (!KSO_ENAB(bus)) { |
| DHD_ERROR(("%s: Device asleep\n", __FUNCTION__)); |
| return; |
| } |
| |
| if (abort) { |
| bcmsdh_abort(sdh, SDIO_FUNC_2); |
| } |
| |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_FRAMECTRL, SFC_RF_TERM, &err); |
| if (err) { |
| DHD_ERROR(("%s: SBSDIO_FUNC1_FRAMECTRL cmd err\n", __FUNCTION__)); |
| goto fail; |
| } |
| bus->f1regdata++; |
| |
| /* Wait until the packet has been flushed (device/FIFO stable) */ |
| for (lastrbc = retries = 0xffff; retries > 0; retries--) { |
| hi = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_RFRAMEBCHI, NULL); |
| lo = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_RFRAMEBCLO, &err); |
| if (err) { |
| DHD_ERROR(("%s: SBSDIO_FUNC1_RFAMEBCLO cmd err\n", __FUNCTION__)); |
| goto fail; |
| } |
| |
| bus->f1regdata += 2; |
| |
| if ((hi == 0) && (lo == 0)) |
| break; |
| |
| if ((hi > (lastrbc >> 8)) && (lo > (lastrbc & 0x00ff))) { |
| DHD_ERROR(("%s: count growing: last 0x%04x now 0x%04x\n", |
| __FUNCTION__, lastrbc, ((hi << 8) + lo))); |
| } |
| lastrbc = (hi << 8) + lo; |
| } |
| |
| if (!retries) { |
| DHD_ERROR(("%s: count never zeroed: last 0x%04x\n", __FUNCTION__, lastrbc)); |
| } else { |
| DHD_INFO(("%s: flush took %d iterations\n", __FUNCTION__, (0xffff - retries))); |
| } |
| |
| if (rtx) { |
| bus->rxrtx++; |
| W_SDREG(SMB_NAK, ®s->tosbmailbox, retries); |
| bus->f1regdata++; |
| if (retries <= retry_limit) { |
| bus->rxskip = TRUE; |
| } |
| } |
| |
| /* Clear partial in any case */ |
| bus->nextlen = 0; |
| |
| fail: |
| /* If we can't reach the device, signal failure */ |
| if (err || bcmsdh_regfail(sdh)) { |
| DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__)); |
| bus->dhd->busstate = DHD_BUS_DOWN; |
| } |
| } |
| |
| static void |
| dhdsdio_read_control(dhd_bus_t *bus, uint8 *hdr, uint len, uint doff) |
| { |
| bcmsdh_info_t *sdh = bus->sdh; |
| uint rdlen, pad; |
| |
| int sdret; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| /* Control data already received in aligned rxctl */ |
| if ((bus->bus == SPI_BUS) && (!bus->usebufpool)) |
| goto gotpkt; |
| |
| ASSERT(bus->rxbuf); |
| /* Set rxctl for frame (w/optional alignment) */ |
| bus->rxctl = bus->rxbuf; |
| if (dhd_alignctl) { |
| bus->rxctl += firstread; |
| if ((pad = ((uintptr)bus->rxctl % DHD_SDALIGN))) |
| bus->rxctl += (DHD_SDALIGN - pad); |
| bus->rxctl -= firstread; |
| } |
| ASSERT(bus->rxctl >= bus->rxbuf); |
| |
| /* Copy the already-read portion over */ |
| bcopy(hdr, bus->rxctl, firstread); |
| if (len <= firstread) |
| goto gotpkt; |
| |
| /* Copy the full data pkt in gSPI case and process ioctl. */ |
| if (bus->bus == SPI_BUS) { |
| bcopy(hdr, bus->rxctl, len); |
| goto gotpkt; |
| } |
| |
| /* Raise rdlen to next SDIO block to avoid tail command */ |
| rdlen = len - firstread; |
| if (bus->roundup && bus->blocksize && (rdlen > bus->blocksize)) { |
| pad = bus->blocksize - (rdlen % bus->blocksize); |
| if ((pad <= bus->roundup) && (pad < bus->blocksize) && |
| ((len + pad) < bus->dhd->maxctl)) |
| rdlen += pad; |
| } else if (rdlen % DHD_SDALIGN) { |
| rdlen += DHD_SDALIGN - (rdlen % DHD_SDALIGN); |
| } |
| |
| /* Satisfy length-alignment requirements */ |
| if (forcealign && (rdlen & (ALIGNMENT - 1))) |
| rdlen = ROUNDUP(rdlen, ALIGNMENT); |
| |
| /* Drop if the read is too big or it exceeds our maximum */ |
| if ((rdlen + firstread) > bus->dhd->maxctl) { |
| DHD_ERROR(("%s: %d-byte control read exceeds %d-byte buffer\n", |
| __FUNCTION__, rdlen, bus->dhd->maxctl)); |
| bus->dhd->rx_errors++; |
| dhdsdio_rxfail(bus, FALSE, FALSE); |
| goto done; |
| } |
| |
| if ((len - doff) > bus->dhd->maxctl) { |
| DHD_ERROR(("%s: %d-byte ctl frame (%d-byte ctl data) exceeds %d-byte limit\n", |
| __FUNCTION__, len, (len - doff), bus->dhd->maxctl)); |
| bus->dhd->rx_errors++; bus->rx_toolong++; |
| dhdsdio_rxfail(bus, FALSE, FALSE); |
| goto done; |
| } |
| |
| /* XXX Could block readers with rxlen=0? */ |
| |
| /* Read remainder of frame body into the rxctl buffer */ |
| sdret = dhd_bcmsdh_recv_buf(bus, bcmsdh_cur_sbwad(sdh), SDIO_FUNC_2, F2SYNC, |
| (bus->rxctl + firstread), rdlen, NULL, NULL, NULL); |
| bus->f2rxdata++; |
| ASSERT(sdret != BCME_PENDING); |
| |
| /* Control frame failures need retransmission */ |
| if (sdret < 0) { |
| DHD_ERROR(("%s: read %d control bytes failed: %d\n", __FUNCTION__, rdlen, sdret)); |
| bus->rxc_errors++; /* dhd.rx_ctlerrs is higher level */ |
| dhdsdio_rxfail(bus, TRUE, TRUE); |
| goto done; |
| } |
| |
| gotpkt: |
| |
| #ifdef DHD_DEBUG |
| if (DHD_BYTES_ON() && DHD_CTL_ON()) { |
| prhex("RxCtrl", bus->rxctl, len); |
| } |
| #endif |
| |
| /* Point to valid data and indicate its length */ |
| bus->rxctl += doff; |
| bus->rxlen = len - doff; |
| |
| done: |
| /* Awake any waiters */ |
| dhd_os_ioctl_resp_wake(bus->dhd); |
| } |
| int |
| dhd_process_pkt_reorder_info(dhd_pub_t *dhd, uchar *reorder_info_buf, uint reorder_info_len, |
| void **pkt, uint32 *pkt_count); |
| |
| static uint8 |
| dhdsdio_rxglom(dhd_bus_t *bus, uint8 rxseq) |
| { |
| uint16 dlen, totlen; |
| uint8 *dptr, num = 0; |
| |
| uint16 sublen, check; |
| void *pfirst, *plast, *pnext; |
| void * list_tail[DHD_MAX_IFS] = { NULL }; |
| void * list_head[DHD_MAX_IFS] = { NULL }; |
| uint8 idx; |
| osl_t *osh = bus->dhd->osh; |
| |
| int errcode; |
| uint8 chan, seq, doff, sfdoff; |
| uint8 txmax; |
| uchar reorder_info_buf[WLHOST_REORDERDATA_TOTLEN]; |
| uint reorder_info_len; |
| |
| int ifidx = 0; |
| bool usechain = bus->use_rxchain; |
| |
| /* If packets, issue read(s) and send up packet chain */ |
| /* Return sequence numbers consumed? */ |
| |
| DHD_TRACE(("dhdsdio_rxglom: start: glomd %p glom %p\n", bus->glomd, bus->glom)); |
| |
| /* If there's a descriptor, generate the packet chain */ |
| if (bus->glomd) { |
| dhd_os_sdlock_rxq(bus->dhd); |
| |
| pfirst = plast = pnext = NULL; |
| dlen = (uint16)PKTLEN(osh, bus->glomd); |
| dptr = PKTDATA(osh, bus->glomd); |
| if (!dlen || (dlen & 1)) { |
| DHD_ERROR(("%s: bad glomd len (%d), ignore descriptor\n", |
| __FUNCTION__, dlen)); |
| dlen = 0; |
| } |
| |
| for (totlen = num = 0; dlen; num++) { |
| /* Get (and move past) next length */ |
| sublen = ltoh16_ua(dptr); |
| dlen -= sizeof(uint16); |
| dptr += sizeof(uint16); |
| if ((sublen < SDPCM_HDRLEN) || |
| ((num == 0) && (sublen < (2 * SDPCM_HDRLEN)))) { |
| DHD_ERROR(("%s: descriptor len %d bad: %d\n", |
| __FUNCTION__, num, sublen)); |
| pnext = NULL; |
| break; |
| } |
| if (sublen % DHD_SDALIGN) { |
| DHD_ERROR(("%s: sublen %d not a multiple of %d\n", |
| __FUNCTION__, sublen, DHD_SDALIGN)); |
| usechain = FALSE; |
| } |
| totlen += sublen; |
| |
| /* For last frame, adjust read len so total is a block multiple */ |
| if (!dlen) { |
| sublen += (ROUNDUP(totlen, bus->blocksize) - totlen); |
| totlen = ROUNDUP(totlen, bus->blocksize); |
| } |
| |
| /* Allocate/chain packet for next subframe */ |
| if ((pnext = PKTGET(osh, sublen + DHD_SDALIGN, FALSE)) == NULL) { |
| DHD_ERROR(("%s: PKTGET failed, num %d len %d\n", |
| __FUNCTION__, num, sublen)); |
| break; |
| } |
| ASSERT(!PKTLINK(pnext)); |
| if (!pfirst) { |
| ASSERT(!plast); |
| pfirst = plast = pnext; |
| } else { |
| ASSERT(plast); |
| PKTSETNEXT(osh, plast, pnext); |
| plast = pnext; |
| } |
| |
| /* Adhere to start alignment requirements */ |
| PKTALIGN(osh, pnext, sublen, DHD_SDALIGN); |
| } |
| |
| /* If all allocations succeeded, save packet chain in bus structure */ |
| if (pnext) { |
| DHD_GLOM(("%s: allocated %d-byte packet chain for %d subframes\n", |
| __FUNCTION__, totlen, num)); |
| if (DHD_GLOM_ON() && bus->nextlen) { |
| if (totlen != bus->nextlen) { |
| DHD_GLOM(("%s: glomdesc mismatch: nextlen %d glomdesc %d " |
| "rxseq %d\n", __FUNCTION__, bus->nextlen, |
| totlen, rxseq)); |
| } |
| } |
| bus->glom = pfirst; |
| pfirst = pnext = NULL; |
| } else { |
| if (pfirst) |
| PKTFREE(osh, pfirst, FALSE); |
| bus->glom = NULL; |
| num = 0; |
| } |
| |
| /* Done with descriptor packet */ |
| PKTFREE(osh, bus->glomd, FALSE); |
| bus->glomd = NULL; |
| bus->nextlen = 0; |
| |
| dhd_os_sdunlock_rxq(bus->dhd); |
| } |
| |
| /* Ok -- either we just generated a packet chain, or had one from before */ |
| if (bus->glom) { |
| if (DHD_GLOM_ON()) { |
| DHD_GLOM(("%s: attempt superframe read, packet chain:\n", __FUNCTION__)); |
| for (pnext = bus->glom; pnext; pnext = PKTNEXT(osh, pnext)) { |
| DHD_GLOM((" %p: %p len 0x%04x (%d)\n", |
| pnext, (uint8*)PKTDATA(osh, pnext), |
| PKTLEN(osh, pnext), PKTLEN(osh, pnext))); |
| } |
| } |
| |
| pfirst = bus->glom; |
| dlen = (uint16)pkttotlen(osh, pfirst); |
| |
| /* Do an SDIO read for the superframe. Configurable iovar to |
| * read directly into the chained packet, or allocate a large |
| * packet and and copy into the chain. |
| */ |
| if (usechain) { |
| errcode = dhd_bcmsdh_recv_buf(bus, |
| bcmsdh_cur_sbwad(bus->sdh), SDIO_FUNC_2, |
| F2SYNC, (uint8*)PKTDATA(osh, pfirst), |
| dlen, pfirst, NULL, NULL); |
| } else if (bus->dataptr) { |
| errcode = dhd_bcmsdh_recv_buf(bus, |
| bcmsdh_cur_sbwad(bus->sdh), SDIO_FUNC_2, |
| F2SYNC, bus->dataptr, |
| dlen, NULL, NULL, NULL); |
| sublen = (uint16)pktfrombuf(osh, pfirst, 0, dlen, bus->dataptr); |
| if (sublen != dlen) { |
| DHD_ERROR(("%s: FAILED TO COPY, dlen %d sublen %d\n", |
| __FUNCTION__, dlen, sublen)); |
| errcode = -1; |
| } |
| pnext = NULL; |
| BCM_REFERENCE(pnext); |
| } else { |
| DHD_ERROR(("COULDN'T ALLOC %d-BYTE GLOM, FORCE FAILURE\n", dlen)); |
| errcode = -1; |
| } |
| bus->f2rxdata++; |
| ASSERT(errcode != BCME_PENDING); |
| |
| /* On failure, kill the superframe, allow a couple retries */ |
| if (errcode < 0) { |
| DHD_ERROR(("%s: glom read of %d bytes failed: %d\n", |
| __FUNCTION__, dlen, errcode)); |
| bus->dhd->rx_errors++; /* XXX Account for rtx?? */ |
| |
| if (bus->glomerr++ < 3) { |
| dhdsdio_rxfail(bus, TRUE, TRUE); |
| } else { |
| bus->glomerr = 0; |
| dhdsdio_rxfail(bus, TRUE, FALSE); |
| dhd_os_sdlock_rxq(bus->dhd); |
| PKTFREE(osh, bus->glom, FALSE); |
| dhd_os_sdunlock_rxq(bus->dhd); |
| bus->rxglomfail++; |
| bus->glom = NULL; |
| } |
| return 0; |
| } |
| |
| #ifdef DHD_DEBUG |
| if (DHD_GLOM_ON()) { |
| prhex("SUPERFRAME", PKTDATA(osh, pfirst), |
| MIN(PKTLEN(osh, pfirst), 48)); |
| } |
| #endif |
| |
| /* Validate the superframe header */ |
| dptr = (uint8 *)PKTDATA(osh, pfirst); |
| sublen = ltoh16_ua(dptr); |
| check = ltoh16_ua(dptr + sizeof(uint16)); |
| |
| chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]); |
| seq = SDPCM_PACKET_SEQUENCE(&dptr[SDPCM_FRAMETAG_LEN]); |
| bus->nextlen = dptr[SDPCM_FRAMETAG_LEN + SDPCM_NEXTLEN_OFFSET]; |
| if ((bus->nextlen << 4) > MAX_RX_DATASZ) { |
| DHD_INFO(("%s: got frame w/nextlen too large (%d) seq %d\n", |
| __FUNCTION__, bus->nextlen, seq)); |
| bus->nextlen = 0; |
| } |
| doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); |
| txmax = SDPCM_WINDOW_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); |
| |
| errcode = 0; |
| if ((uint16)~(sublen^check)) { |
| DHD_ERROR(("%s (superframe): HW hdr error: len/check 0x%04x/0x%04x\n", |
| __FUNCTION__, sublen, check)); |
| errcode = -1; |
| } else if (ROUNDUP(sublen, bus->blocksize) != dlen) { |
| DHD_ERROR(("%s (superframe): len 0x%04x, rounded 0x%04x, expect 0x%04x\n", |
| __FUNCTION__, sublen, ROUNDUP(sublen, bus->blocksize), dlen)); |
| errcode = -1; |
| } else if (SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]) != SDPCM_GLOM_CHANNEL) { |
| DHD_ERROR(("%s (superframe): bad channel %d\n", __FUNCTION__, |
| SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]))); |
| errcode = -1; |
| } else if (SDPCM_GLOMDESC(&dptr[SDPCM_FRAMETAG_LEN])) { |
| DHD_ERROR(("%s (superframe): got second descriptor?\n", __FUNCTION__)); |
| errcode = -1; |
| } else if ((doff < SDPCM_HDRLEN) || |
| (doff > (PKTLEN(osh, pfirst) - SDPCM_HDRLEN))) { |
| DHD_ERROR(("%s (superframe): Bad data offset %d: HW %d pkt %d min %d\n", |
| __FUNCTION__, doff, sublen, PKTLEN(osh, pfirst), |
| SDPCM_HDRLEN)); |
| errcode = -1; |
| } |
| |
| /* Check sequence number of superframe SW header */ |
| if (rxseq != seq) { |
| DHD_INFO(("%s: (superframe) rx_seq %d, expected %d\n", |
| __FUNCTION__, seq, rxseq)); |
| bus->rx_badseq++; |
| rxseq = seq; |
| } |
| |
| /* Check window for sanity */ |
| if ((uint8)(txmax - bus->tx_seq) > 0x70) { |
| DHD_ERROR(("%s: got unlikely tx max %d with tx_seq %d\n", |
| __FUNCTION__, txmax, bus->tx_seq)); |
| txmax = bus->tx_max; |
| } |
| bus->tx_max = txmax; |
| |
| /* Remove superframe header, remember offset */ |
| PKTPULL(osh, pfirst, doff); |
| sfdoff = doff; |
| |
| /* Validate all the subframe headers */ |
| for (num = 0, pnext = pfirst; pnext && !errcode; |
| num++, pnext = PKTNEXT(osh, pnext)) { |
| dptr = (uint8 *)PKTDATA(osh, pnext); |
| dlen = (uint16)PKTLEN(osh, pnext); |
| sublen = ltoh16_ua(dptr); |
| check = ltoh16_ua(dptr + sizeof(uint16)); |
| chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]); |
| doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); |
| #ifdef DHD_DEBUG |
| if (DHD_GLOM_ON()) { |
| prhex("subframe", dptr, 32); |
| } |
| #endif |
| |
| if ((uint16)~(sublen^check)) { |
| DHD_ERROR(("%s (subframe %d): HW hdr error: " |
| "len/check 0x%04x/0x%04x\n", |
| __FUNCTION__, num, sublen, check)); |
| errcode = -1; |
| } else if ((sublen > dlen) || (sublen < SDPCM_HDRLEN)) { |
| DHD_ERROR(("%s (subframe %d): length mismatch: " |
| "len 0x%04x, expect 0x%04x\n", |
| __FUNCTION__, num, sublen, dlen)); |
| errcode = -1; |
| } else if ((chan != SDPCM_DATA_CHANNEL) && |
| (chan != SDPCM_EVENT_CHANNEL)) { |
| DHD_ERROR(("%s (subframe %d): bad channel %d\n", |
| __FUNCTION__, num, chan)); |
| errcode = -1; |
| } else if ((doff < SDPCM_HDRLEN) || (doff > sublen)) { |
| DHD_ERROR(("%s (subframe %d): Bad data offset %d: HW %d min %d\n", |
| __FUNCTION__, num, doff, sublen, SDPCM_HDRLEN)); |
| errcode = -1; |
| } |
| } |
| |
| if (errcode) { |
| /* Terminate frame on error, request a couple retries */ |
| if (bus->glomerr++ < 3) { |
| /* Restore superframe header space */ |
| PKTPUSH(osh, pfirst, sfdoff); |
| dhdsdio_rxfail(bus, TRUE, TRUE); |
| } else { |
| bus->glomerr = 0; |
| dhdsdio_rxfail(bus, TRUE, FALSE); |
| dhd_os_sdlock_rxq(bus->dhd); |
| PKTFREE(osh, bus->glom, FALSE); |
| dhd_os_sdunlock_rxq(bus->dhd); |
| bus->rxglomfail++; |
| bus->glom = NULL; |
| } |
| bus->nextlen = 0; |
| return 0; |
| } |
| |
| /* Basic SD framing looks ok - process each packet (header) */ |
| bus->glom = NULL; |
| plast = NULL; |
| |
| dhd_os_sdlock_rxq(bus->dhd); |
| for (num = 0; pfirst; rxseq++, pfirst = pnext) { |
| pnext = PKTNEXT(osh, pfirst); |
| PKTSETNEXT(osh, pfirst, NULL); |
| |
| dptr = (uint8 *)PKTDATA(osh, pfirst); |
| sublen = ltoh16_ua(dptr); |
| chan = SDPCM_PACKET_CHANNEL(&dptr[SDPCM_FRAMETAG_LEN]); |
| seq = SDPCM_PACKET_SEQUENCE(&dptr[SDPCM_FRAMETAG_LEN]); |
| doff = SDPCM_DOFFSET_VALUE(&dptr[SDPCM_FRAMETAG_LEN]); |
| |
| DHD_GLOM(("%s: Get subframe %d, %p(%p/%d), sublen %d chan %d seq %d\n", |
| __FUNCTION__, num, pfirst, PKTDATA(osh, pfirst), |
| PKTLEN(osh, pfirst), sublen, chan, seq)); |
| |
| ASSERT((chan == SDPCM_DATA_CHANNEL) || (chan == SDPCM_EVENT_CHANNEL)); |
| |
| if (rxseq != seq) { |
| DHD_GLOM(("%s: rx_seq %d, expected %d\n", |
| __FUNCTION__, seq, rxseq)); |
| bus->rx_badseq++; |
| rxseq = seq; |
| } |
| |
| #ifdef DHD_DEBUG |
| if (DHD_BYTES_ON() && DHD_DATA_ON()) { |
| prhex("Rx Subframe Data", dptr, dlen); |
| } |
| #endif |
| |
| PKTSETLEN(osh, pfirst, sublen); |
| PKTPULL(osh, pfirst, doff); |
| |
| reorder_info_len = sizeof(reorder_info_buf); |
| |
| if (PKTLEN(osh, pfirst) == 0) { |
| PKTFREE(bus->dhd->osh, pfirst, FALSE); |
| continue; |
| } else if (dhd_prot_hdrpull(bus->dhd, &ifidx, pfirst, reorder_info_buf, |
| &reorder_info_len) != 0) { |
| DHD_ERROR(("%s: rx protocol error\n", __FUNCTION__)); |
| bus->dhd->rx_errors++; |
| PKTFREE(osh, pfirst, FALSE); |
| continue; |
| } |
| if (reorder_info_len) { |
| uint32 free_buf_count; |
| void *ppfirst; |
| |
| ppfirst = pfirst; |
| /* Reordering info from the firmware */ |
| dhd_process_pkt_reorder_info(bus->dhd, reorder_info_buf, |
| reorder_info_len, &ppfirst, &free_buf_count); |
| |
| if (free_buf_count == 0) { |
| continue; |
| } else { |
| void *temp; |
| |
| /* go to the end of the chain and attach the pnext there */ |
| temp = ppfirst; |
| while (PKTNEXT(osh, temp) != NULL) { |
| temp = PKTNEXT(osh, temp); |
| } |
| pfirst = temp; |
| if (list_tail[ifidx] == NULL) |
| list_head[ifidx] = ppfirst; |
| else |
| PKTSETNEXT(osh, list_tail[ifidx], ppfirst); |
| list_tail[ifidx] = pfirst; |
| } |
| |
| num += (uint8)free_buf_count; |
| } else { |
| /* this packet will go up, link back into chain and count it */ |
| |
| if (list_tail[ifidx] == NULL) { |
| list_head[ifidx] = list_tail[ifidx] = pfirst; |
| } else { |
| PKTSETNEXT(osh, list_tail[ifidx], pfirst); |
| list_tail[ifidx] = pfirst; |
| } |
| num++; |
| } |
| #ifdef DHD_DEBUG |
| if (DHD_GLOM_ON()) { |
| DHD_GLOM(("%s subframe %d to stack, %p(%p/%d) nxt/lnk %p/%p\n", |
| __FUNCTION__, num, pfirst, |
| PKTDATA(osh, pfirst), PKTLEN(osh, pfirst), |
| PKTNEXT(osh, pfirst), PKTLINK(pfirst))); |
| prhex("", (uint8 *)PKTDATA(osh, pfirst), |
| MIN(PKTLEN(osh, pfirst), 32)); |
| } |
| #endif /* DHD_DEBUG */ |
| } |
| dhd_os_sdunlock_rxq(bus->dhd); |
| |
| for (idx = 0; idx < DHD_MAX_IFS; idx++) { |
| if (list_head[idx]) { |
| void *temp; |
| uint8 cnt = 0; |
| temp = list_head[idx]; |
| do { |
| temp = PKTNEXT(osh, temp); |
| cnt++; |
| } while (temp); |
| if (cnt) { |
| dhd_os_sdunlock(bus->dhd); |
| dhd_rx_frame(bus->dhd, idx, list_head[idx], cnt, 0); |
| dhd_os_sdlock(bus->dhd); |
| } |
| } |
| } |
| bus->rxglomframes++; |
| bus->rxglompkts += num; |
| } |
| return num; |
| } |
| |
| /* Return TRUE if there may be more frames to read */ |
| static uint |
| dhdsdio_readframes(dhd_bus_t *bus, uint maxframes, bool *finished) |
| { |
| osl_t *osh = bus->dhd->osh; |
| bcmsdh_info_t *sdh = bus->sdh; |
| |
| uint16 len, check; /* Extracted hardware header fields */ |
| uint8 chan, seq, doff; /* Extracted software header fields */ |
| uint8 fcbits; /* Extracted fcbits from software header */ |
| uint8 delta; |
| |
| void *pkt; /* Packet for event or data frames */ |
| uint16 pad; /* Number of pad bytes to read */ |
| uint16 rdlen; /* Total number of bytes to read */ |
| uint8 rxseq; /* Next sequence number to expect */ |
| uint rxleft = 0; /* Remaining number of frames allowed */ |
| int sdret; /* Return code from bcmsdh calls */ |
| uint8 txmax; /* Maximum tx sequence offered */ |
| #ifdef BCMSPI |
| uint32 dstatus = 0; /* gSPI device status bits of */ |
| #endif /* BCMSPI */ |
| bool len_consistent; /* Result of comparing readahead len and len from hw-hdr */ |
| uint8 *rxbuf; |
| int ifidx = 0; |
| uint rxcount = 0; /* Total frames read */ |
| uchar reorder_info_buf[WLHOST_REORDERDATA_TOTLEN]; |
| uint reorder_info_len; |
| uint pkt_count; |
| |
| #if defined(DHD_DEBUG) || defined(SDTEST) |
| bool sdtest = FALSE; /* To limit message spew from test mode */ |
| #endif |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| bus->readframes = TRUE; |
| |
| if (!KSO_ENAB(bus)) { |
| DHD_ERROR(("%s: KSO off\n", __FUNCTION__)); |
| bus->readframes = FALSE; |
| return 0; |
| } |
| |
| ASSERT(maxframes); |
| |
| #ifdef SDTEST |
| /* Allow pktgen to override maxframes */ |
| if (bus->pktgen_count && (bus->pktgen_mode == DHD_PKTGEN_RECV)) { |
| maxframes = bus->pktgen_count; |
| sdtest = TRUE; |
| } |
| #endif |
| |
| /* Not finished unless we encounter no more frames indication */ |
| *finished = FALSE; |
| |
| #ifdef BCMSPI |
| /* Get pktlen from gSPI device F0 reg. */ |
| if (bus->bus == SPI_BUS) { |
| /* Peek in dstatus bits and find out size to do rx-read. */ |
| dstatus = bcmsdh_get_dstatus(bus->sdh); |
| if (dstatus == 0) |
| DHD_ERROR(("%s:ZERO spi dstatus, a case observed in PR61352 hit !!!\n", |
| __FUNCTION__)); |
| |
| DHD_TRACE(("Device status from regread = 0x%x\n", dstatus)); |
| DHD_TRACE(("Device status from bit-reconstruction = 0x%x\n", |
| bcmsdh_get_dstatus((void *)bus->sdh))); |
| |
| /* Check underflow also, WAR for PR55150 */ |
| if ((dstatus & STATUS_F2_PKT_AVAILABLE) && (((dstatus & STATUS_UNDERFLOW)) == 0)) { |
| bus->nextlen = ((dstatus & STATUS_F2_PKT_LEN_MASK) >> |
| STATUS_F2_PKT_LEN_SHIFT); |
| /* '0' size with pkt-available interrupt is eqvt to 2048 bytes */ |
| bus->nextlen = (bus->nextlen == 0) ? SPI_MAX_PKT_LEN : bus->nextlen; |
| if (bus->dwordmode) |
| bus->nextlen = bus->nextlen << 2; |
| DHD_TRACE(("Entering %s: length to be read from gSPI = %d\n", |
| __FUNCTION__, bus->nextlen)); |
| } else { |
| if (dstatus & STATUS_F2_PKT_AVAILABLE) |
| DHD_ERROR(("Underflow during %s.\n", __FUNCTION__)); |
| else |
| DHD_ERROR(("False pkt-available intr.\n")); |
| *finished = TRUE; |
| return (maxframes - rxleft); |
| } |
| } |
| #endif /* BCMSPI */ |
| |
| for (rxseq = bus->rx_seq, rxleft = maxframes; |
| !bus->rxskip && rxleft && bus->dhd->busstate != DHD_BUS_DOWN; |
| rxseq++, rxleft--) { |
| #ifdef DHDTCPACK_SUP_DBG |
| if (bus->dhd->tcpack_sup_mode != TCPACK_SUP_DELAYTX) { |
| if (bus->dotxinrx == FALSE) |
| DHD_ERROR(("%s %d: dotxinrx FALSE with tcpack_sub_mode %d\n", |
| __FUNCTION__, __LINE__, bus->dhd->tcpack_sup_mode)); |
| } |
| #ifdef DEBUG_COUNTER |
| else if (pktq_mlen(&bus->txq, ~bus->flowcontrol) > 0) { |
| tack_tbl.cnt[bus->dotxinrx ? 6 : 7]++; |
| } |
| #endif /* DEBUG_COUNTER */ |
| #endif /* DHDTCPACK_SUP_DBG */ |
| /* tx more to improve rx performance */ |
| if (TXCTLOK(bus) && bus->ctrl_frame_stat && (bus->clkstate == CLK_AVAIL)) { |
| dhdsdio_sendpendctl(bus); |
| } else if (bus->dotxinrx && (bus->clkstate == CLK_AVAIL) && |
| !bus->fcstate && DATAOK(bus) && |
| (pktq_mlen(&bus->txq, ~bus->flowcontrol) > bus->txinrx_thres)) { |
| dhdsdio_sendfromq(bus, dhd_txbound); |
| #ifdef DHDTCPACK_SUPPRESS |
| /* In TCPACK_SUP_DELAYTX mode, do txinrx only if |
| * 1. Any DATA packet to TX |
| * 2. TCPACK to TCPDATA PSH packets. |
| * in bus txq. |
| */ |
| bus->dotxinrx = (bus->dhd->tcpack_sup_mode == TCPACK_SUP_DELAYTX) ? |
| FALSE : TRUE; |
| #endif |
| } |
| |
| /* Handle glomming separately */ |
| if (bus->glom || bus->glomd) { |
| uint8 cnt; |
| DHD_GLOM(("%s: calling rxglom: glomd %p, glom %p\n", |
| __FUNCTION__, bus->glomd, bus->glom)); |
| cnt = dhdsdio_rxglom(bus, rxseq); |
| DHD_GLOM(("%s: rxglom returned %d\n", __FUNCTION__, cnt)); |
| rxseq += cnt - 1; |
| rxleft = (rxleft > cnt) ? (rxleft - cnt) : 1; |
| continue; |
| } |
| |
| /* Try doing single read if we can */ |
| if (dhd_readahead && bus->nextlen) { |
| uint16 nextlen = bus->nextlen; |
| bus->nextlen = 0; |
| |
| if (bus->bus == SPI_BUS) { |
| rdlen = len = nextlen; |
| } else { |
| rdlen = len = nextlen << 4; |
| |
| /* Pad read to blocksize for efficiency */ |
| if (bus->roundup && bus->blocksize && (rdlen > bus->blocksize)) { |
| pad = bus->blocksize - (rdlen % bus->blocksize); |
| if ((pad <= bus->roundup) && (pad < bus->blocksize) && |
| ((rdlen + pad + firstread) < MAX_RX_DATASZ)) |
| rdlen += pad; |
| } else if (rdlen % DHD_SDALIGN) { |
| rdlen += DHD_SDALIGN - (rdlen % DHD_SDALIGN); |
| } |
| } |
| |
| /* We use bus->rxctl buffer in WinXP for initial control pkt receives. |
| * Later we use buffer-poll for data as well as control packets. |
| * This is required because dhd receives full frame in gSPI unlike SDIO. |
| * After the frame is received we have to distinguish whether it is data |
| * or non-data frame. |
| */ |
| /* Allocate a packet buffer */ |
| dhd_os_sdlock_rxq(bus->dhd); |
| if (!(pkt = PKTGET(osh, rdlen + DHD_SDALIGN, FALSE))) { |
| if (bus->bus == SPI_BUS) { |
| bus->usebufpool = FALSE; |
| bus->rxctl = bus->rxbuf; |
| if (dhd_alignctl) { |
| bus->rxctl += firstread; |
| if ((pad = ((uintptr)bus->rxctl % DHD_SDALIGN))) |
| bus->rxctl += (DHD_SDALIGN - pad); |
| bus->rxctl -= firstread; |
| } |
| ASSERT(bus->rxctl >= bus->rxbuf); |
| rxbuf = bus->rxctl; |
| /* Read the entire frame */ |
| sdret = dhd_bcmsdh_recv_buf(bus, |
| bcmsdh_cur_sbwad(sdh), |
| SDIO_FUNC_2, |
| F2SYNC, rxbuf, rdlen, |
| NULL, NULL, NULL); |
| bus->f2rxdata++; |
| ASSERT(sdret != BCME_PENDING); |
| |
| #ifdef BCMSPI |
| /* PR55150 WAR: Wait for next pkt-available interrupt for |
| * further processing |
| */ |
| if (bcmsdh_get_dstatus((void *)bus->sdh) & |
| STATUS_UNDERFLOW) { |
| bus->nextlen = 0; |
| *finished = TRUE; |
| DHD_ERROR(("%s: read %d control bytes failed " |
| "due to spi underflow\n", |
| __FUNCTION__, rdlen)); |
| /* dhd.rx_ctlerrs is higher level */ |
| bus->rxc_errors++; |
| dhd_os_sdunlock_rxq(bus->dhd); |
| continue; |
| } |
| #endif /* BCMSPI */ |
| |
| /* Control frame failures need retransmission */ |
| if (sdret < 0) { |
| DHD_ERROR(("%s: read %d control bytes failed: %d\n", |
| __FUNCTION__, rdlen, sdret)); |
| /* dhd.rx_ctlerrs is higher level */ |
| bus->rxc_errors++; |
| dhd_os_sdunlock_rxq(bus->dhd); |
| dhdsdio_rxfail(bus, TRUE, |
| (bus->bus == SPI_BUS) ? FALSE : TRUE); |
| continue; |
| } |
| } else { |
| /* Give up on data, request rtx of events */ |
| DHD_ERROR(("%s (nextlen): PKTGET failed: len %d rdlen %d " |
| "expected rxseq %d\n", |
| __FUNCTION__, len, rdlen, rxseq)); |
| /* XXX Can't issue retry (NAK), frame not started. */ |
| /* Just go try again w/normal header read */ |
| dhd_os_sdunlock_rxq(bus->dhd); |
| continue; |
| } |
| } else { |
| if (bus->bus == SPI_BUS) |
| bus->usebufpool = TRUE; |
| |
| ASSERT(!PKTLINK(pkt)); |
| PKTALIGN(osh, pkt, rdlen, DHD_SDALIGN); |
| rxbuf = (uint8 *)PKTDATA(osh, pkt); |
| /* Read the entire frame */ |
| sdret = dhd_bcmsdh_recv_buf(bus, bcmsdh_cur_sbwad(sdh), |
| SDIO_FUNC_2, |
| F2SYNC, rxbuf, rdlen, |
| pkt, NULL, NULL); |
| bus->f2rxdata++; |
| ASSERT(sdret != BCME_PENDING); |
| #ifdef BCMSPI |
| /* PR55150 WAR: Wait for next pkt-available interrupt for further |
| * processing |
| */ |
| if (bcmsdh_get_dstatus((void *)bus->sdh) & STATUS_UNDERFLOW) { |
| bus->nextlen = 0; |
| *finished = TRUE; |
| DHD_ERROR(("%s (nextlen): read %d bytes failed due " |
| "to spi underflow\n", |
| __FUNCTION__, rdlen)); |
| PKTFREE(bus->dhd->osh, pkt, FALSE); |
| bus->dhd->rx_errors++; |
| dhd_os_sdunlock_rxq(bus->dhd); |
| continue; |
| } |
| #endif /* BCMSPI */ |
| |
| if (sdret < 0) { |
| DHD_ERROR(("%s (nextlen): read %d bytes failed: %d\n", |
| __FUNCTION__, rdlen, sdret)); |
| PKTFREE(bus->dhd->osh, pkt, FALSE); |
| bus->dhd->rx_errors++; /* XXX Account for rtx?? */ |
| dhd_os_sdunlock_rxq(bus->dhd); |
| /* Force retry w/normal header read. Don't attempt NAK for |
| * gSPI |
| */ |
| dhdsdio_rxfail(bus, TRUE, |
| (bus->bus == SPI_BUS) ? FALSE : TRUE); |
| continue; |
| } |
| } |
| dhd_os_sdunlock_rxq(bus->dhd); |
| |
| /* Now check the header */ |
| bcopy(rxbuf, bus->rxhdr, SDPCM_HDRLEN); |
| |
| /* Extract hardware header fields */ |
| len = ltoh16_ua(bus->rxhdr); |
| check = ltoh16_ua(bus->rxhdr + sizeof(uint16)); |
| |
| /* All zeros means readahead info was bad */ |
| if (!(len|check)) { |
| DHD_INFO(("%s (nextlen): read zeros in HW header???\n", |
| __FUNCTION__)); |
| dhd_os_sdlock_rxq(bus->dhd); |
| PKTFREE2(); |
| dhd_os_sdunlock_rxq(bus->dhd); |
| GSPI_PR55150_BAILOUT; |
| continue; |
| } |
| |
| /* Validate check bytes */ |
| if ((uint16)~(len^check)) { |
| DHD_ERROR(("%s (nextlen): HW hdr error: nextlen/len/check" |
| " 0x%04x/0x%04x/0x%04x\n", __FUNCTION__, nextlen, |
| len, check)); |
| dhd_os_sdlock_rxq(bus->dhd); |
| PKTFREE2(); |
| dhd_os_sdunlock_rxq(bus->dhd); |
| bus->rx_badhdr++; |
| dhdsdio_rxfail(bus, FALSE, FALSE); |
| GSPI_PR55150_BAILOUT; |
| continue; |
| } |
| |
| /* Validate frame length */ |
| if (len < SDPCM_HDRLEN) { |
| /* XXX Might choose to allow length 4 for signaling */ |
| DHD_ERROR(("%s (nextlen): HW hdr length invalid: %d\n", |
| __FUNCTION__, len)); |
| dhd_os_sdlock_rxq(bus->dhd); |
| PKTFREE2(); |
| dhd_os_sdunlock_rxq(bus->dhd); |
| GSPI_PR55150_BAILOUT; |
| continue; |
| } |
| |
| /* Check for consistency with readahead info */ |
| #ifdef BCMSPI |
| if (bus->bus == SPI_BUS) { |
| if (bus->dwordmode) { |
| uint16 spilen; |
| spilen = ROUNDUP(len, 4); |
| len_consistent = (nextlen != spilen); |
| } else |
| len_consistent = (nextlen != len); |
| } else |
| #endif /* BCMSPI */ |
| len_consistent = (nextlen != (ROUNDUP(len, 16) >> 4)); |
| if (len_consistent) { |
| /* Mismatch, force retry w/normal header (may be >4K) */ |
| DHD_ERROR(("%s (nextlen): mismatch, nextlen %d len %d rnd %d; " |
| "expected rxseq %d\n", |
| __FUNCTION__, nextlen, len, ROUNDUP(len, 16), rxseq)); |
| dhd_os_sdlock_rxq(bus->dhd); |
| PKTFREE2(); |
| dhd_os_sdunlock_rxq(bus->dhd); |
| dhdsdio_rxfail(bus, TRUE, (bus->bus == SPI_BUS) ? FALSE : TRUE); |
| GSPI_PR55150_BAILOUT; |
| continue; |
| } |
| |
| /* Extract software header fields */ |
| chan = SDPCM_PACKET_CHANNEL(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| seq = SDPCM_PACKET_SEQUENCE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| doff = SDPCM_DOFFSET_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| txmax = SDPCM_WINDOW_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| |
| #ifdef BCMSPI |
| /* Save the readahead length if there is one */ |
| if (bus->bus == SPI_BUS) { |
| /* Use reconstructed dstatus bits and find out readahead size */ |
| dstatus = bcmsdh_get_dstatus((void *)bus->sdh); |
| DHD_INFO(("Device status from bit-reconstruction = 0x%x\n", |
| bcmsdh_get_dstatus((void *)bus->sdh))); |
| if (dstatus & STATUS_F2_PKT_AVAILABLE) { |
| bus->nextlen = ((dstatus & STATUS_F2_PKT_LEN_MASK) >> |
| STATUS_F2_PKT_LEN_SHIFT); |
| bus->nextlen = (bus->nextlen == 0) ? |
| SPI_MAX_PKT_LEN : bus->nextlen; |
| if (bus->dwordmode) |
| bus->nextlen = bus->nextlen << 2; |
| DHD_INFO(("readahead len from gSPI = %d \n", |
| bus->nextlen)); |
| bus->dhd->rx_readahead_cnt ++; |
| } else { |
| bus->nextlen = 0; |
| *finished = TRUE; |
| } |
| } else { |
| #endif /* BCMSPI */ |
| bus->nextlen = |
| bus->rxhdr[SDPCM_FRAMETAG_LEN + SDPCM_NEXTLEN_OFFSET]; |
| if ((bus->nextlen << 4) > MAX_RX_DATASZ) { |
| DHD_INFO(("%s (nextlen): got frame w/nextlen too large" |
| " (%d), seq %d\n", __FUNCTION__, bus->nextlen, |
| seq)); |
| bus->nextlen = 0; |
| } |
| |
| bus->dhd->rx_readahead_cnt ++; |
| #ifdef BCMSPI |
| } |
| #endif /* BCMSPI */ |
| /* Handle Flow Control */ |
| fcbits = SDPCM_FCMASK_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| |
| delta = 0; |
| if (~bus->flowcontrol & fcbits) { |
| bus->fc_xoff++; |
| delta = 1; |
| } |
| if (bus->flowcontrol & ~fcbits) { |
| bus->fc_xon++; |
| delta = 1; |
| } |
| |
| if (delta) { |
| bus->fc_rcvd++; |
| bus->flowcontrol = fcbits; |
| } |
| |
| /* Check and update sequence number */ |
| if (rxseq != seq) { |
| DHD_INFO(("%s (nextlen): rx_seq %d, expected %d\n", |
| __FUNCTION__, seq, rxseq)); |
| bus->rx_badseq++; |
| rxseq = seq; |
| } |
| |
| /* Check window for sanity */ |
| if ((uint8)(txmax - bus->tx_seq) > 0x70) { |
| #ifdef BCMSPI |
| if ((bus->bus == SPI_BUS) && !(dstatus & STATUS_F2_RX_READY)) { |
| DHD_ERROR(("%s: got unlikely tx max %d with tx_seq %d\n", |
| __FUNCTION__, txmax, bus->tx_seq)); |
| txmax = bus->tx_seq + 2; |
| } else { |
| #endif /* BCMSPI */ |
| DHD_ERROR(("%s: got unlikely tx max %d with tx_seq %d\n", |
| __FUNCTION__, txmax, bus->tx_seq)); |
| txmax = bus->tx_max; |
| #ifdef BCMSPI |
| } |
| #endif /* BCMSPI */ |
| } |
| bus->tx_max = txmax; |
| |
| #ifdef DHD_DEBUG |
| if (DHD_BYTES_ON() && DHD_DATA_ON()) { |
| prhex("Rx Data", rxbuf, len); |
| } else if (DHD_HDRS_ON()) { |
| prhex("RxHdr", bus->rxhdr, SDPCM_HDRLEN); |
| } |
| #endif |
| |
| if (chan == SDPCM_CONTROL_CHANNEL) { |
| if (bus->bus == SPI_BUS) { |
| dhdsdio_read_control(bus, rxbuf, len, doff); |
| if (bus->usebufpool) { |
| dhd_os_sdlock_rxq(bus->dhd); |
| PKTFREE(bus->dhd->osh, pkt, FALSE); |
| dhd_os_sdunlock_rxq(bus->dhd); |
| } |
| continue; |
| } else { |
| DHD_ERROR(("%s (nextlen): readahead on control" |
| " packet %d?\n", __FUNCTION__, seq)); |
| /* Force retry w/normal header read */ |
| bus->nextlen = 0; |
| dhdsdio_rxfail(bus, FALSE, TRUE); |
| dhd_os_sdlock_rxq(bus->dhd); |
| PKTFREE2(); |
| dhd_os_sdunlock_rxq(bus->dhd); |
| continue; |
| } |
| } |
| |
| if ((bus->bus == SPI_BUS) && !bus->usebufpool) { |
| DHD_ERROR(("Received %d bytes on %d channel. Running out of " |
| "rx pktbuf's or not yet malloced.\n", len, chan)); |
| continue; |
| } |
| |
| /* Validate data offset */ |
| if ((doff < SDPCM_HDRLEN) || (doff > len)) { |
| DHD_ERROR(("%s (nextlen): bad data offset %d: HW len %d min %d\n", |
| __FUNCTION__, doff, len, SDPCM_HDRLEN)); |
| dhd_os_sdlock_rxq(bus->dhd); |
| PKTFREE2(); |
| dhd_os_sdunlock_rxq(bus->dhd); |
| ASSERT(0); |
| dhdsdio_rxfail(bus, FALSE, FALSE); |
| continue; |
| } |
| |
| /* All done with this one -- now deliver the packet */ |
| goto deliver; |
| } |
| /* gSPI frames should not be handled in fractions */ |
| if (bus->bus == SPI_BUS) { |
| break; |
| } |
| |
| /* Read frame header (hardware and software) */ |
| sdret = dhd_bcmsdh_recv_buf(bus, bcmsdh_cur_sbwad(sdh), SDIO_FUNC_2, F2SYNC, |
| bus->rxhdr, firstread, NULL, NULL, NULL); |
| bus->f2rxhdrs++; |
| ASSERT(sdret != BCME_PENDING); |
| |
| if (sdret < 0) { |
| DHD_ERROR(("%s: RXHEADER FAILED: %d\n", __FUNCTION__, sdret)); |
| bus->rx_hdrfail++; |
| dhdsdio_rxfail(bus, TRUE, TRUE); |
| continue; |
| } |
| |
| #ifdef DHD_DEBUG |
| if (DHD_BYTES_ON() || DHD_HDRS_ON()) { |
| prhex("RxHdr", bus->rxhdr, SDPCM_HDRLEN); |
| } |
| #endif |
| |
| /* Extract hardware header fields */ |
| len = ltoh16_ua(bus->rxhdr); |
| check = ltoh16_ua(bus->rxhdr + sizeof(uint16)); |
| |
| /* All zeros means no more frames */ |
| if (!(len|check)) { |
| *finished = TRUE; |
| break; |
| } |
| |
| /* Validate check bytes */ |
| if ((uint16)~(len^check)) { |
| DHD_ERROR(("%s: HW hdr error: len/check 0x%04x/0x%04x\n", |
| __FUNCTION__, len, check)); |
| bus->rx_badhdr++; |
| dhdsdio_rxfail(bus, FALSE, FALSE); |
| continue; |
| } |
| |
| /* Validate frame length */ |
| if (len < SDPCM_HDRLEN) { |
| /* XXX Might choose to allow length 4 for signaling */ |
| DHD_ERROR(("%s: HW hdr length invalid: %d\n", __FUNCTION__, len)); |
| continue; |
| } |
| |
| /* Extract software header fields */ |
| chan = SDPCM_PACKET_CHANNEL(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| seq = SDPCM_PACKET_SEQUENCE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| doff = SDPCM_DOFFSET_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| txmax = SDPCM_WINDOW_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| |
| /* Validate data offset */ |
| if ((doff < SDPCM_HDRLEN) || (doff > len)) { |
| DHD_ERROR(("%s: Bad data offset %d: HW len %d, min %d seq %d\n", |
| __FUNCTION__, doff, len, SDPCM_HDRLEN, seq)); |
| bus->rx_badhdr++; |
| ASSERT(0); |
| dhdsdio_rxfail(bus, FALSE, FALSE); |
| continue; |
| } |
| |
| /* Save the readahead length if there is one */ |
| bus->nextlen = bus->rxhdr[SDPCM_FRAMETAG_LEN + SDPCM_NEXTLEN_OFFSET]; |
| if ((bus->nextlen << 4) > MAX_RX_DATASZ) { |
| DHD_INFO(("%s (nextlen): got frame w/nextlen too large (%d), seq %d\n", |
| __FUNCTION__, bus->nextlen, seq)); |
| bus->nextlen = 0; |
| } |
| |
| /* Handle Flow Control */ |
| fcbits = SDPCM_FCMASK_VALUE(&bus->rxhdr[SDPCM_FRAMETAG_LEN]); |
| |
| delta = 0; |
| if (~bus->flowcontrol & fcbits) { |
| bus->fc_xoff++; |
| delta = 1; |
| } |
| if (bus->flowcontrol & ~fcbits) { |
| bus->fc_xon++; |
| delta = 1; |
| } |
| |
| if (delta) { |
| bus->fc_rcvd++; |
| bus->flowcontrol = fcbits; |
| } |
| |
| /* Check and update sequence number */ |
| if (rxseq != seq) { |
| DHD_INFO(("%s: rx_seq %d, expected %d\n", __FUNCTION__, seq, rxseq)); |
| bus->rx_badseq++; |
| rxseq = seq; |
| } |
| |
| /* Check window for sanity */ |
| if ((uint8)(txmax - bus->tx_seq) > 0x70) { |
| DHD_ERROR(("%s: got unlikely tx max %d with tx_seq %d\n", |
| __FUNCTION__, txmax, bus->tx_seq)); |
| txmax = bus->tx_max; |
| } |
| bus->tx_max = txmax; |
| |
| /* Call a separate function for control frames */ |
| if (chan == SDPCM_CONTROL_CHANNEL) { |
| dhdsdio_read_control(bus, bus->rxhdr, len, doff); |
| continue; |
| } |
| |
| ASSERT((chan == SDPCM_DATA_CHANNEL) || (chan == SDPCM_EVENT_CHANNEL) || |
| (chan == SDPCM_TEST_CHANNEL) || (chan == SDPCM_GLOM_CHANNEL)); |
| |
| /* Length to read */ |
| rdlen = (len > firstread) ? (len - firstread) : 0; |
| |
| /* May pad read to blocksize for efficiency */ |
| if (bus->roundup && bus->blocksize && (rdlen > bus->blocksize)) { |
| pad = bus->blocksize - (rdlen % bus->blocksize); |
| if ((pad <= bus->roundup) && (pad < bus->blocksize) && |
| ((rdlen + pad + firstread) < MAX_RX_DATASZ)) |
| rdlen += pad; |
| } else if (rdlen % DHD_SDALIGN) { |
| rdlen += DHD_SDALIGN - (rdlen % DHD_SDALIGN); |
| } |
| |
| /* Satisfy length-alignment requirements */ |
| if (forcealign && (rdlen & (ALIGNMENT - 1))) |
| rdlen = ROUNDUP(rdlen, ALIGNMENT); |
| |
| if ((rdlen + firstread) > MAX_RX_DATASZ) { |
| /* Too long -- skip this frame */ |
| DHD_ERROR(("%s: too long: len %d rdlen %d\n", __FUNCTION__, len, rdlen)); |
| bus->dhd->rx_errors++; bus->rx_toolong++; |
| dhdsdio_rxfail(bus, FALSE, FALSE); |
| continue; |
| } |
| |
| dhd_os_sdlock_rxq(bus->dhd); |
| if (!(pkt = PKTGET(osh, (rdlen + firstread + DHD_SDALIGN), FALSE))) { |
| /* Give up on data, request rtx of events */ |
| DHD_ERROR(("%s: PKTGET failed: rdlen %d chan %d\n", |
| __FUNCTION__, rdlen, chan)); |
| bus->dhd->rx_dropped++; |
| dhd_os_sdunlock_rxq(bus->dhd); |
| dhdsdio_rxfail(bus, FALSE, RETRYCHAN(chan)); |
| continue; |
| } |
| dhd_os_sdunlock_rxq(bus->dhd); |
| |
| ASSERT(!PKTLINK(pkt)); |
| |
| /* XXX Should check len for small packets in case we're done? */ |
| /* Leave room for what we already read, and align remainder */ |
| ASSERT(firstread < (PKTLEN(osh, pkt))); |
| PKTPULL(osh, pkt, firstread); |
| PKTALIGN(osh, pkt, rdlen, DHD_SDALIGN); |
| |
| /* Read the remaining frame data */ |
| sdret = dhd_bcmsdh_recv_buf(bus, bcmsdh_cur_sbwad(sdh), SDIO_FUNC_2, F2SYNC, |
| ((uint8 *)PKTDATA(osh, pkt)), rdlen, pkt, NULL, NULL); |
| bus->f2rxdata++; |
| ASSERT(sdret != BCME_PENDING); |
| |
| if (sdret < 0) { |
| DHD_ERROR(("%s: read %d %s bytes failed: %d\n", __FUNCTION__, rdlen, |
| ((chan == SDPCM_EVENT_CHANNEL) ? "event" : |
| ((chan == SDPCM_DATA_CHANNEL) ? "data" : "test")), sdret)); |
| dhd_os_sdlock_rxq(bus->dhd); |
| PKTFREE(bus->dhd->osh, pkt, FALSE); |
| dhd_os_sdunlock_rxq(bus->dhd); |
| bus->dhd->rx_errors++; /* XXX Account for rtx?? */ |
| dhdsdio_rxfail(bus, TRUE, RETRYCHAN(chan)); |
| continue; |
| } |
| |
| /* Copy the already-read portion */ |
| PKTPUSH(osh, pkt, firstread); |
| bcopy(bus->rxhdr, PKTDATA(osh, pkt), firstread); |
| |
| #ifdef DHD_DEBUG |
| if (DHD_BYTES_ON() && DHD_DATA_ON()) { |
| prhex("Rx Data", PKTDATA(osh, pkt), len); |
| } |
| #endif |
| |
| deliver: |
| /* Save superframe descriptor and allocate packet frame */ |
| if (chan == SDPCM_GLOM_CHANNEL) { |
| if (SDPCM_GLOMDESC(&bus->rxhdr[SDPCM_FRAMETAG_LEN])) { |
| DHD_GLOM(("%s: got glom descriptor, %d bytes:\n", |
| __FUNCTION__, len)); |
| #ifdef DHD_DEBUG |
| if (DHD_GLOM_ON()) { |
| prhex("Glom Data", PKTDATA(osh, pkt), len); |
| } |
| #endif |
| PKTSETLEN(osh, pkt, len); |
| ASSERT(doff == SDPCM_HDRLEN); |
| PKTPULL(osh, pkt, SDPCM_HDRLEN); |
| bus->glomd = pkt; |
| } else { |
| DHD_ERROR(("%s: glom superframe w/o descriptor!\n", __FUNCTION__)); |
| dhdsdio_rxfail(bus, FALSE, FALSE); |
| } |
| continue; |
| } |
| |
| /* Fill in packet len and prio, deliver upward */ |
| PKTSETLEN(osh, pkt, len); |
| PKTPULL(osh, pkt, doff); |
| |
| #ifdef SDTEST |
| /* Test channel packets are processed separately */ |
| if (chan == SDPCM_TEST_CHANNEL) { |
| dhdsdio_testrcv(bus, pkt, seq); |
| continue; |
| } |
| #endif /* SDTEST */ |
| |
| if (PKTLEN(osh, pkt) == 0) { |
| dhd_os_sdlock_rxq(bus->dhd); |
| PKTFREE(bus->dhd->osh, pkt, FALSE); |
| dhd_os_sdunlock_rxq(bus->dhd); |
| continue; |
| } else if (dhd_prot_hdrpull(bus->dhd, &ifidx, pkt, reorder_info_buf, |
| &reorder_info_len) != 0) { |
| DHD_ERROR(("%s: rx protocol error\n", __FUNCTION__)); |
| dhd_os_sdlock_rxq(bus->dhd); |
| PKTFREE(bus->dhd->osh, pkt, FALSE); |
| dhd_os_sdunlock_rxq(bus->dhd); |
| bus->dhd->rx_errors++; |
| continue; |
| } |
| |
| if (reorder_info_len) { |
| /* Reordering info from the firmware */ |
| dhd_process_pkt_reorder_info(bus->dhd, reorder_info_buf, reorder_info_len, |
| &pkt, &pkt_count); |
| if (pkt_count == 0) |
| continue; |
| } else { |
| pkt_count = 1; |
| } |
| |
| /* XXX Release the lock around the rx delivery: an OS (like Windows) |
| * might call tx in the same thread context, resulting in deadlock. |
| */ |
| /* Unlock during rx call */ |
| dhd_os_sdunlock(bus->dhd); |
| dhd_rx_frame(bus->dhd, ifidx, pkt, pkt_count, chan); |
| dhd_os_sdlock(bus->dhd); |
| } |
| rxcount = maxframes - rxleft; |
| #ifdef DHD_DEBUG |
| /* Message if we hit the limit */ |
| if (!rxleft && !sdtest) |
| DHD_DATA(("%s: hit rx limit of %d frames\n", __FUNCTION__, maxframes)); |
| else |
| #endif /* DHD_DEBUG */ |
| DHD_DATA(("%s: processed %d frames\n", __FUNCTION__, rxcount)); |
| /* Back off rxseq if awaiting rtx, update rx_seq */ |
| if (bus->rxskip) |
| rxseq--; |
| bus->rx_seq = rxseq; |
| |
| if (bus->reqbussleep) |
| { |
| dhdsdio_bussleep(bus, TRUE); |
| bus->reqbussleep = FALSE; |
| } |
| bus->readframes = FALSE; |
| |
| return rxcount; |
| } |
| |
| static uint32 |
| dhdsdio_hostmail(dhd_bus_t *bus, uint32 *hmbd) |
| { |
| sdpcmd_regs_t *regs = bus->regs; |
| uint32 intstatus = 0; |
| uint32 hmb_data; |
| uint8 fcbits; |
| uint retries = 0; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| /* Read mailbox data and ack that we did so */ |
| R_SDREG(hmb_data, ®s->tohostmailboxdata, retries); |
| if (retries <= retry_limit) |
| W_SDREG(SMB_INT_ACK, ®s->tosbmailbox, retries); |
| bus->f1regdata += 2; |
| |
| /* Dongle recomposed rx frames, accept them again */ |
| if (hmb_data & HMB_DATA_NAKHANDLED) { |
| DHD_INFO(("Dongle reports NAK handled, expect rtx of %d\n", bus->rx_seq)); |
| /* XXX ASSERT(bus->rxskip); */ |
| if (!bus->rxskip) { |
| DHD_ERROR(("%s: unexpected NAKHANDLED!\n", __FUNCTION__)); |
| } |
| bus->rxskip = FALSE; |
| intstatus |= FRAME_AVAIL_MASK(bus); |
| } |
| |
| /* |
| * DEVREADY does not occur with gSPI. |
| */ |
| if (hmb_data & (HMB_DATA_DEVREADY | HMB_DATA_FWREADY)) { |
| bus->sdpcm_ver = (hmb_data & HMB_DATA_VERSION_MASK) >> HMB_DATA_VERSION_SHIFT; |
| if (bus->sdpcm_ver != SDPCM_PROT_VERSION) |
| DHD_ERROR(("Version mismatch, dongle reports %d, expecting %d\n", |
| bus->sdpcm_ver, SDPCM_PROT_VERSION)); |
| else |
| DHD_INFO(("Dongle ready, protocol version %d\n", bus->sdpcm_ver)); |
| #ifndef BCMSPI |
| /* make sure for the SDIO_DEVICE_RXDATAINT_MODE_1 corecontrol is proper */ |
| if ((bus->sih->buscoretype == SDIOD_CORE_ID) && (bus->sdpcmrev >= 4) && |
| (bus->rxint_mode == SDIO_DEVICE_RXDATAINT_MODE_1)) { |
| uint32 val; |
| |
| val = R_REG(bus->dhd->osh, &bus->regs->corecontrol); |
| val &= ~CC_XMTDATAAVAIL_MODE; |
| val |= CC_XMTDATAAVAIL_CTRL; |
| W_REG(bus->dhd->osh, &bus->regs->corecontrol, val); |
| |
| val = R_REG(bus->dhd->osh, &bus->regs->corecontrol); |
| } |
| #endif /* BCMSPI */ |
| |
| #ifdef DHD_DEBUG |
| /* Retrieve console state address now that firmware should have updated it */ |
| { |
| sdpcm_shared_t shared; |
| if (dhdsdio_readshared(bus, &shared) == 0) |
| bus->console_addr = shared.console_addr; |
| } |
| #endif /* DHD_DEBUG */ |
| } |
| |
| /* |
| * Flow Control has been moved into the RX headers and this out of band |
| * method isn't used any more. Leave this here for possibly remaining backward |
| * compatible with older dongles |
| */ |
| if (hmb_data & HMB_DATA_FC) { |
| fcbits = (hmb_data & HMB_DATA_FCDATA_MASK) >> HMB_DATA_FCDATA_SHIFT; |
| |
| if (fcbits & ~bus->flowcontrol) |
| bus->fc_xoff++; |
| if (bus->flowcontrol & ~fcbits) |
| bus->fc_xon++; |
| |
| bus->fc_rcvd++; |
| bus->flowcontrol = fcbits; |
| } |
| |
| /* At least print a message if FW halted */ |
| if (hmb_data & HMB_DATA_FWHALT) { |
| DHD_ERROR(("FIRMWARE HALTED\n")); |
| dhdsdio_checkdied(bus, NULL, 0); |
| } |
| |
| /* Shouldn't be any others */ |
| if (hmb_data & ~(HMB_DATA_DEVREADY | |
| HMB_DATA_FWHALT | |
| HMB_DATA_NAKHANDLED | |
| HMB_DATA_FC | |
| HMB_DATA_FWREADY | |
| HMB_DATA_FCDATA_MASK | |
| HMB_DATA_VERSION_MASK)) { |
| DHD_ERROR(("Unknown mailbox data content: 0x%02x\n", hmb_data)); |
| } |
| |
| if (hmbd) { |
| *hmbd = hmb_data; |
| } |
| |
| return intstatus; |
| } |
| |
| static bool |
| dhdsdio_dpc(dhd_bus_t *bus) |
| { |
| bcmsdh_info_t *sdh = bus->sdh; |
| sdpcmd_regs_t *regs = bus->regs; |
| uint32 intstatus, newstatus = 0; |
| uint retries = 0; |
| uint rxlimit = dhd_rxbound; /* Rx frames to read before resched */ |
| uint txlimit = dhd_txbound; /* Tx frames to send before resched */ |
| uint framecnt = 0; /* Temporary counter of tx/rx frames */ |
| bool rxdone = TRUE; /* Flag for no more read data */ |
| bool resched = FALSE; /* Flag indicating resched wanted */ |
| unsigned long flags; |
| #ifdef DEBUG_DPC_THREAD_WATCHDOG |
| bool is_resched_by_readframe = FALSE; |
| #endif /* DEBUG_DPC_THREAD_WATCHDOG */ |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| dhd_os_sdlock(bus->dhd); |
| DHD_LINUX_GENERAL_LOCK(bus->dhd, flags); |
| if (bus->dhd->busstate == DHD_BUS_DOWN) { |
| DHD_ERROR(("%s: Bus down, ret\n", __FUNCTION__)); |
| bus->intstatus = 0; |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| dhd_os_sdunlock(bus->dhd); |
| return 0; |
| } |
| |
| DHD_BUS_BUSY_SET_IN_DPC(bus->dhd); |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| |
| /* Start with leftover status bits */ |
| intstatus = bus->intstatus; |
| |
| if (!SLPAUTO_ENAB(bus) && !KSO_ENAB(bus)) { |
| DHD_ERROR(("%s: Device asleep\n", __FUNCTION__)); |
| goto exit; |
| } |
| |
| /* If waiting for HTAVAIL, check status */ |
| if (!SLPAUTO_ENAB(bus) && (bus->clkstate == CLK_PENDING)) { |
| int err; |
| uint8 clkctl, devctl = 0; |
| |
| #ifdef DHD_DEBUG |
| /* Check for inconsistent device control */ |
| devctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, &err); |
| if (err) { |
| DHD_ERROR(("%s: error reading DEVCTL: %d\n", __FUNCTION__, err)); |
| DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__)); |
| bus->dhd->busstate = DHD_BUS_DOWN; |
| } else { |
| ASSERT(devctl & SBSDIO_DEVCTL_CA_INT_ONLY); |
| } |
| #endif /* DHD_DEBUG */ |
| |
| /* Read CSR, if clock on switch to AVAIL, else ignore */ |
| clkctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, &err); |
| if (err) { |
| DHD_ERROR(("%s: error reading CSR: %d\n", __FUNCTION__, err)); |
| DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__)); |
| bus->dhd->busstate = DHD_BUS_DOWN; |
| } |
| |
| DHD_INFO(("DPC: PENDING, devctl 0x%02x clkctl 0x%02x\n", devctl, clkctl)); |
| |
| if (SBSDIO_HTAV(clkctl)) { |
| devctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, &err); |
| if (err) { |
| DHD_ERROR(("%s: error reading DEVCTL: %d\n", |
| __FUNCTION__, err)); |
| DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__)); |
| bus->dhd->busstate = DHD_BUS_DOWN; |
| } |
| devctl &= ~SBSDIO_DEVCTL_CA_INT_ONLY; |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_DEVICE_CTL, devctl, &err); |
| if (err) { |
| DHD_ERROR(("%s: error writing DEVCTL: %d\n", |
| __FUNCTION__, err)); |
| DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__)); |
| bus->dhd->busstate = DHD_BUS_DOWN; |
| } |
| bus->clkstate = CLK_AVAIL; |
| } else { |
| goto clkwait; |
| } |
| } |
| |
| BUS_WAKE(bus); |
| |
| /* Make sure backplane clock is on */ |
| dhdsdio_clkctl(bus, CLK_AVAIL, TRUE); |
| if (bus->clkstate != CLK_AVAIL) |
| goto clkwait; |
| |
| /* Pending interrupt indicates new device status */ |
| if (bus->ipend) { |
| bus->ipend = FALSE; |
| #if defined(BT_OVER_SDIO) |
| bcmsdh_btsdio_process_f3_intr(); |
| #endif /* defined (BT_OVER_SDIO) */ |
| |
| R_SDREG(newstatus, ®s->intstatus, retries); |
| bus->f1regdata++; |
| if (bcmsdh_regfail(bus->sdh)) |
| newstatus = 0; |
| newstatus &= bus->hostintmask; |
| bus->fcstate = !!(newstatus & I_HMB_FC_STATE); |
| if (newstatus) { |
| bus->f1regdata++; |
| #ifndef BCMSPI |
| if ((bus->rxint_mode == SDIO_DEVICE_RXDATAINT_MODE_0) && |
| (newstatus == I_XMTDATA_AVAIL)) { |
| } else |
| #endif /* BCMSPI */ |
| W_SDREG(newstatus, ®s->intstatus, retries); |
| } |
| } |
| |
| /* Merge new bits with previous */ |
| intstatus |= newstatus; |
| bus->intstatus = 0; |
| |
| /* Handle flow-control change: read new state in case our ack |
| * crossed another change interrupt. If change still set, assume |
| * FC ON for safety, let next loop through do the debounce. |
| */ |
| if (intstatus & I_HMB_FC_CHANGE) { |
| intstatus &= ~I_HMB_FC_CHANGE; |
| W_SDREG(I_HMB_FC_CHANGE, ®s->intstatus, retries); |
| R_SDREG(newstatus, ®s->intstatus, retries); |
| bus->f1regdata += 2; |
| bus->fcstate = !!(newstatus & (I_HMB_FC_STATE | I_HMB_FC_CHANGE)); |
| intstatus |= (newstatus & bus->hostintmask); |
| } |
| |
| /* Handle host mailbox indication */ |
| if (intstatus & I_HMB_HOST_INT) { |
| uint32 hmbdata = 0; |
| |
| intstatus &= ~I_HMB_HOST_INT; |
| intstatus |= dhdsdio_hostmail(bus, &hmbdata); |
| |
| } |
| |
| #ifdef DHD_UCODE_DOWNLOAD |
| exit_ucode: |
| #endif /* DHD_UCODE_DOWNLOAD */ |
| |
| /* Just being here means nothing more to do for chipactive */ |
| if (intstatus & I_CHIPACTIVE) { |
| /* ASSERT(bus->clkstate == CLK_AVAIL); */ |
| intstatus &= ~I_CHIPACTIVE; |
| } |
| |
| /* Handle host mailbox indication */ |
| if (intstatus & I_HMB_HOST_INT) { |
| intstatus &= ~I_HMB_HOST_INT; |
| intstatus |= dhdsdio_hostmail(bus, NULL); |
| } |
| |
| /* Generally don't ask for these, can get CRC errors... */ |
| /* XXX Besides noting the error, should we ABORT/TERM? */ |
| if (intstatus & I_WR_OOSYNC) { |
| DHD_ERROR(("Dongle reports WR_OOSYNC\n")); |
| intstatus &= ~I_WR_OOSYNC; |
| } |
| |
| if (intstatus & I_RD_OOSYNC) { |
| DHD_ERROR(("Dongle reports RD_OOSYNC\n")); |
| intstatus &= ~I_RD_OOSYNC; |
| } |
| |
| /* XXX Should reset or something here... */ |
| if (intstatus & I_SBINT) { |
| DHD_ERROR(("Dongle reports SBINT\n")); |
| intstatus &= ~I_SBINT; |
| } |
| |
| /* Would be active due to wake-wlan in gSPI */ |
| if (intstatus & I_CHIPACTIVE) { |
| DHD_INFO(("Dongle reports CHIPACTIVE\n")); |
| intstatus &= ~I_CHIPACTIVE; |
| } |
| |
| if (intstatus & I_HMB_FC_STATE) { |
| DHD_INFO(("Dongle reports HMB_FC_STATE\n")); |
| intstatus &= ~I_HMB_FC_STATE; |
| } |
| |
| /* Ignore frame indications if rxskip is set */ |
| if (bus->rxskip) { |
| intstatus &= ~FRAME_AVAIL_MASK(bus); |
| } |
| |
| /* On frame indication, read available frames */ |
| if (PKT_AVAILABLE(bus, intstatus)) { |
| |
| framecnt = dhdsdio_readframes(bus, rxlimit, &rxdone); |
| if (rxdone || bus->rxskip) |
| intstatus &= ~FRAME_AVAIL_MASK(bus); |
| rxlimit -= MIN(framecnt, rxlimit); |
| } |
| |
| /* Keep still-pending events for next scheduling */ |
| bus->intstatus = intstatus; |
| |
| clkwait: |
| /* Re-enable interrupts to detect new device events (mailbox, rx frame) |
| * or clock availability. (Allows tx loop to check ipend if desired.) |
| * (Unless register access seems hosed, as we may not be able to ACK...) |
| */ |
| if (bus->intr && bus->intdis && !bcmsdh_regfail(sdh)) { |
| DHD_INTR(("%s: enable SDIO interrupts, rxdone %d framecnt %d\n", |
| __FUNCTION__, rxdone, framecnt)); |
| bus->intdis = FALSE; |
| #if defined(OOB_INTR_ONLY) |
| bcmsdh_oob_intr_set(bus->sdh, TRUE); |
| #endif /* defined(OOB_INTR_ONLY) */ |
| #if !defined(NDIS) |
| bcmsdh_intr_enable(sdh); |
| #endif /* !defined(NDIS) */ |
| if (*dhd_spi_lockcount == 0) |
| bcmsdh_oob_intr_set(bus->sdh, TRUE); |
| } |
| |
| #if defined(OOB_INTR_ONLY) && !defined(HW_OOB) |
| /* In case of SW-OOB(using edge trigger), |
| * Check interrupt status in the dongle again after enable irq on the host. |
| * and rechedule dpc if interrupt is pended in the dongle. |
| * There is a chance to miss OOB interrupt while irq is disabled on the host. |
| * No need to do this with HW-OOB(level trigger) |
| */ |
| R_SDREG(newstatus, ®s->intstatus, retries); |
| if (bcmsdh_regfail(bus->sdh)) |
| newstatus = 0; |
| if (newstatus & bus->hostintmask) { |
| bus->ipend = TRUE; |
| resched = TRUE; |
| } |
| #endif /* defined(OOB_INTR_ONLY) && !defined(HW_OOB) */ |
| |
| #ifdef PROP_TXSTATUS |
| dhd_wlfc_commit_packets(bus->dhd, (f_commitpkt_t)dhd_bus_txdata, (void *)bus, NULL, FALSE); |
| #endif |
| |
| if (TXCTLOK(bus) && bus->ctrl_frame_stat && (bus->clkstate == CLK_AVAIL)) |
| dhdsdio_sendpendctl(bus); |
| |
| /* Send queued frames (limit 1 if rx may still be pending) */ |
| else if ((bus->clkstate == CLK_AVAIL) && !bus->fcstate && |
| pktq_mlen(&bus->txq, ~bus->flowcontrol) && txlimit && DATAOK(bus)) { |
| |
| framecnt = rxdone ? txlimit : MIN(txlimit, dhd_txminmax); |
| framecnt = dhdsdio_sendfromq(bus, framecnt); |
| txlimit -= framecnt; |
| } |
| /* Resched the DPC if ctrl cmd is pending on bus credit */ |
| if (bus->ctrl_frame_stat) |
| resched = TRUE; |
| |
| /* Resched if events or tx frames are pending, else await next interrupt */ |
| /* On failed register access, all bets are off: no resched or interrupts */ |
| if ((bus->dhd->busstate == DHD_BUS_DOWN) || bcmsdh_regfail(sdh)) { |
| if ((bus->sih && bus->sih->buscorerev >= 12) && !(dhdsdio_sleepcsr_get(bus) & |
| SBSDIO_FUNC1_SLEEPCSR_KSO_MASK)) { |
| /* Bus failed because of KSO */ |
| DHD_ERROR(("%s: Bus failed due to KSO\n", __FUNCTION__)); |
| bus->kso = FALSE; |
| } else { |
| DHD_ERROR(("%s: failed backplane access over SDIO, halting operation\n", |
| __FUNCTION__)); |
| DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__)); |
| bus->dhd->busstate = DHD_BUS_DOWN; |
| bus->intstatus = 0; |
| /* XXX Under certain conditions it may be reasonable to enable interrupts. |
| * E.g. if we get occasional 'bcmsdh_regfail' we should be able to continue |
| * operation. May want to make the decision to enable or not based on count |
| * of failures, so in case of bus lock up we avoid continuous interrupt. |
| */ |
| } |
| } else if (bus->clkstate == CLK_PENDING) { |
| /* Awaiting I_CHIPACTIVE; don't resched */ |
| } else if (bus->intstatus || bus->ipend || |
| (!bus->fcstate && pktq_mlen(&bus->txq, ~bus->flowcontrol) && DATAOK(bus)) || |
| PKT_AVAILABLE(bus, bus->intstatus)) { /* Read multiple frames */ |
| resched = TRUE; |
| } |
| |
| bus->dpc_sched = resched; |
| |
| /* If we're done for now, turn off clock request. */ |
| /* XXX Leave request on if just waiting for new credit? */ |
| if ((bus->idletime == DHD_IDLE_IMMEDIATE) && (bus->clkstate != CLK_PENDING) && |
| NO_OTHER_ACTIVE_BUS_USER(bus)) { |
| bus->activity = FALSE; |
| dhdsdio_bussleep(bus, TRUE); |
| dhdsdio_clkctl(bus, CLK_NONE, FALSE); |
| } |
| |
| exit: |
| |
| if (!resched && dhd_dpcpoll) { |
| if (dhdsdio_readframes(bus, dhd_rxbound, &rxdone) != 0) { |
| resched = TRUE; |
| #ifdef DEBUG_DPC_THREAD_WATCHDOG |
| is_resched_by_readframe = TRUE; |
| #endif /* DEBUG_DPC_THREAD_WATCHDOG */ |
| } |
| } |
| |
| dhd_os_sdunlock(bus->dhd); |
| #ifdef DEBUG_DPC_THREAD_WATCHDOG |
| if (bus->dhd->dhd_bug_on) { |
| DHD_INFO(("%s: resched = %d ctrl_frame_stat = %d intstatus 0x%08x" |
| " ipend = %d pktq_mlen = %d is_resched_by_readframe = %d \n", |
| __FUNCTION__, resched, bus->ctrl_frame_stat, |
| bus->intstatus, bus->ipend, |
| pktq_mlen(&bus->txq, ~bus->flowcontrol), is_resched_by_readframe)); |
| |
| bus->dhd->dhd_bug_on = FALSE; |
| } |
| #endif /* DEBUG_DPC_THREAD_WATCHDOG */ |
| |
| DHD_LINUX_GENERAL_LOCK(bus->dhd, flags); |
| DHD_BUS_BUSY_CLEAR_IN_DPC(bus->dhd); |
| dhd_os_busbusy_wake(bus->dhd); |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| |
| return resched; |
| } |
| |
| bool |
| dhd_bus_dpc(struct dhd_bus *bus) |
| { |
| bool resched; |
| |
| /* Call the DPC directly. */ |
| DHD_TRACE(("Calling dhdsdio_dpc() from %s\n", __FUNCTION__)); |
| resched = dhdsdio_dpc(bus); |
| |
| return resched; |
| } |
| |
| void |
| dhdsdio_isr(void *arg) |
| { |
| dhd_bus_t *bus = (dhd_bus_t*)arg; |
| bcmsdh_info_t *sdh; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| if (!bus) { |
| DHD_ERROR(("%s : bus is null pointer , exit \n", __FUNCTION__)); |
| return; |
| } |
| sdh = bus->sdh; |
| |
| if (bus->dhd->busstate == DHD_BUS_DOWN) { |
| DHD_ERROR(("%s : bus is down. we have nothing to do\n", __FUNCTION__)); |
| return; |
| } |
| /* XXX Overall operation: |
| * XXX - Mask further interrupts |
| * XXX - Read/ack intstatus |
| * XXX - Take action based on bits and state |
| * XXX - Reenable interrupts (as per state) |
| */ |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| /* Count the interrupt call */ |
| bus->intrcount++; |
| bus->ipend = TRUE; |
| |
| /* Shouldn't get this interrupt if we're sleeping? */ |
| if (!SLPAUTO_ENAB(bus)) { |
| if (bus->sleeping) { |
| DHD_ERROR(("INTERRUPT WHILE SLEEPING??\n")); |
| return; |
| } else if (!KSO_ENAB(bus)) { |
| DHD_ERROR(("ISR in devsleep 1\n")); |
| } |
| } |
| |
| /* Disable additional interrupts (is this needed now)? */ |
| if (bus->intr) { |
| DHD_INTR(("%s: disable SDIO interrupts\n", __FUNCTION__)); |
| } else { |
| DHD_ERROR(("dhdsdio_isr() w/o interrupt configured!\n")); |
| } |
| |
| bcmsdh_oob_intr_set(bus->sdh, FALSE); |
| #if !defined(NDIS) |
| bcmsdh_intr_disable(sdh); /* XXX New API: bcmsdh_intr_mask()? */ |
| #endif /* !defined(NDIS) */ |
| bus->intdis = TRUE; |
| |
| #if defined(SDIO_ISR_THREAD) |
| DHD_TRACE(("Calling dhdsdio_dpc() from %s\n", __FUNCTION__)); |
| DHD_OS_WAKE_LOCK(bus->dhd); |
| dhdsdio_dpc(bus); |
| DHD_OS_WAKE_UNLOCK(bus->dhd); |
| #else |
| #if !defined(NDIS) |
| bus->dpc_sched = TRUE; |
| dhd_sched_dpc(bus->dhd); |
| #endif /* !defined(NDIS) */ |
| #endif /* defined(SDIO_ISR_THREAD) */ |
| |
| } |
| |
| #ifdef SDTEST |
| static void |
| dhdsdio_pktgen_init(dhd_bus_t *bus) |
| { |
| /* Default to specified length, or full range */ |
| if (dhd_pktgen_len) { |
| bus->pktgen_maxlen = MIN(dhd_pktgen_len, MAX_PKTGEN_LEN); |
| bus->pktgen_minlen = bus->pktgen_maxlen; |
| } else { |
| bus->pktgen_maxlen = MAX_PKTGEN_LEN; |
| bus->pktgen_minlen = 0; |
| } |
| bus->pktgen_len = (uint16)bus->pktgen_minlen; |
| |
| /* Default to per-watchdog burst with 10s print time */ |
| bus->pktgen_freq = 1; |
| bus->pktgen_print = dhd_watchdog_ms ? (10000 / dhd_watchdog_ms) : 0; |
| bus->pktgen_count = (dhd_pktgen * dhd_watchdog_ms + 999) / 1000; |
| |
| /* Default to echo mode */ |
| bus->pktgen_mode = DHD_PKTGEN_ECHO; |
| bus->pktgen_stop = 1; |
| } |
| |
| static void |
| dhdsdio_pktgen(dhd_bus_t *bus) |
| { |
| void *pkt; |
| uint8 *data; |
| uint pktcount; |
| uint fillbyte; |
| osl_t *osh = bus->dhd->osh; |
| uint16 len; |
| #if defined(LINUX) |
| ulong time_lapse; |
| uint sent_pkts; |
| uint rcvd_pkts; |
| #endif /* LINUX */ |
| |
| /* Display current count if appropriate */ |
| if (bus->pktgen_print && (++bus->pktgen_ptick >= bus->pktgen_print)) { |
| bus->pktgen_ptick = 0; |
| printf("%s: send attempts %d, rcvd %d, errors %d\n", |
| __FUNCTION__, bus->pktgen_sent, bus->pktgen_rcvd, bus->pktgen_fail); |
| |
| #if defined(LINUX) |
| /* Print throughput stats only for constant length packet runs */ |
| if (bus->pktgen_minlen == bus->pktgen_maxlen) { |
| time_lapse = jiffies - bus->pktgen_prev_time; |
| bus->pktgen_prev_time = jiffies; |
| sent_pkts = bus->pktgen_sent - bus->pktgen_prev_sent; |
| bus->pktgen_prev_sent = bus->pktgen_sent; |
| rcvd_pkts = bus->pktgen_rcvd - bus->pktgen_prev_rcvd; |
| bus->pktgen_prev_rcvd = bus->pktgen_rcvd; |
| |
| printf("%s: Tx Throughput %d kbps, Rx Throughput %d kbps\n", |
| __FUNCTION__, |
| (sent_pkts * bus->pktgen_len / jiffies_to_msecs(time_lapse)) * 8, |
| (rcvd_pkts * bus->pktgen_len / jiffies_to_msecs(time_lapse)) * 8); |
| } |
| #endif /* LINUX */ |
| } |
| |
| /* For recv mode, just make sure dongle has started sending */ |
| if (bus->pktgen_mode == DHD_PKTGEN_RECV) { |
| if (bus->pktgen_rcv_state == PKTGEN_RCV_IDLE) { |
| bus->pktgen_rcv_state = PKTGEN_RCV_ONGOING; |
| dhdsdio_sdtest_set(bus, bus->pktgen_total); |
| } |
| return; |
| } |
| |
| /* Otherwise, generate or request the specified number of packets */ |
| for (pktcount = 0; pktcount < bus->pktgen_count; pktcount++) { |
| /* Stop if total has been reached */ |
| if (bus->pktgen_total && (bus->pktgen_sent >= bus->pktgen_total)) { |
| bus->pktgen_count = 0; |
| break; |
| } |
| |
| /* Allocate an appropriate-sized packet */ |
| if (bus->pktgen_mode == DHD_PKTGEN_RXBURST) { |
| len = SDPCM_TEST_PKT_CNT_FLD_LEN; |
| } else { |
| len = bus->pktgen_len; |
| } |
| if (!(pkt = PKTGET(osh, (len + SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + DHD_SDALIGN), |
| TRUE))) {; |
| DHD_ERROR(("%s: PKTGET failed!\n", __FUNCTION__)); |
| break; |
| } |
| PKTALIGN(osh, pkt, (len + SDPCM_HDRLEN + SDPCM_TEST_HDRLEN), DHD_SDALIGN); |
| data = (uint8*)PKTDATA(osh, pkt) + SDPCM_HDRLEN; |
| |
| /* Write test header cmd and extra based on mode */ |
| switch (bus->pktgen_mode) { |
| case DHD_PKTGEN_ECHO: |
| *data++ = SDPCM_TEST_ECHOREQ; |
| *data++ = (uint8)bus->pktgen_sent; |
| break; |
| |
| case DHD_PKTGEN_SEND: |
| *data++ = SDPCM_TEST_DISCARD; |
| *data++ = (uint8)bus->pktgen_sent; |
| break; |
| |
| case DHD_PKTGEN_RXBURST: |
| *data++ = SDPCM_TEST_BURST; |
| *data++ = (uint8)bus->pktgen_count; /* Just for backward compatability */ |
| break; |
| |
| default: |
| DHD_ERROR(("Unrecognized pktgen mode %d\n", bus->pktgen_mode)); |
| PKTFREE(osh, pkt, TRUE); |
| bus->pktgen_count = 0; |
| return; |
| } |
| |
| /* Write test header length field */ |
| *data++ = (bus->pktgen_len >> 0); |
| *data++ = (bus->pktgen_len >> 8); |
| |
| /* Write frame count in a 4 byte field adjucent to SDPCM test header for |
| * burst mode |
| */ |
| if (bus->pktgen_mode == DHD_PKTGEN_RXBURST) { |
| *data++ = (uint8)(bus->pktgen_count >> 0); |
| *data++ = (uint8)(bus->pktgen_count >> 8); |
| *data++ = (uint8)(bus->pktgen_count >> 16); |
| *data++ = (uint8)(bus->pktgen_count >> 24); |
| } else { |
| |
| /* Then fill in the remainder -- N/A for burst */ |
| for (fillbyte = 0; fillbyte < len; fillbyte++) |
| *data++ = SDPCM_TEST_FILL(fillbyte, (uint8)bus->pktgen_sent); |
| } |
| |
| #ifdef DHD_DEBUG |
| if (DHD_BYTES_ON() && DHD_DATA_ON()) { |
| data = (uint8*)PKTDATA(osh, pkt) + SDPCM_HDRLEN; |
| prhex("dhdsdio_pktgen: Tx Data", data, PKTLEN(osh, pkt) - SDPCM_HDRLEN); |
| } |
| #endif |
| |
| /* Send it */ |
| if (dhdsdio_txpkt(bus, SDPCM_TEST_CHANNEL, &pkt, 1, TRUE) != BCME_OK) { |
| bus->pktgen_fail++; |
| if (bus->pktgen_stop && bus->pktgen_stop == bus->pktgen_fail) |
| bus->pktgen_count = 0; |
| } |
| bus->pktgen_sent++; |
| |
| /* Bump length if not fixed, wrap at max */ |
| if (++bus->pktgen_len > bus->pktgen_maxlen) |
| bus->pktgen_len = (uint16)bus->pktgen_minlen; |
| |
| /* Special case for burst mode: just send one request! */ |
| if (bus->pktgen_mode == DHD_PKTGEN_RXBURST) |
| break; |
| } |
| } |
| |
| static void |
| dhdsdio_sdtest_set(dhd_bus_t *bus, uint count) |
| { |
| void *pkt; |
| uint8 *data; |
| osl_t *osh = bus->dhd->osh; |
| |
| /* Allocate the packet */ |
| if (!(pkt = PKTGET(osh, SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + |
| SDPCM_TEST_PKT_CNT_FLD_LEN + DHD_SDALIGN, TRUE))) { |
| DHD_ERROR(("%s: PKTGET failed!\n", __FUNCTION__)); |
| return; |
| } |
| PKTALIGN(osh, pkt, (SDPCM_HDRLEN + SDPCM_TEST_HDRLEN + |
| SDPCM_TEST_PKT_CNT_FLD_LEN), DHD_SDALIGN); |
| data = (uint8*)PKTDATA(osh, pkt) + SDPCM_HDRLEN; |
| |
| /* Fill in the test header */ |
| *data++ = SDPCM_TEST_SEND; |
| *data++ = (count > 0)?TRUE:FALSE; |
| *data++ = (bus->pktgen_maxlen >> 0); |
| *data++ = (bus->pktgen_maxlen >> 8); |
| *data++ = (uint8)(count >> 0); |
| *data++ = (uint8)(count >> 8); |
| *data++ = (uint8)(count >> 16); |
| *data++ = (uint8)(count >> 24); |
| |
| /* Send it */ |
| if (dhdsdio_txpkt(bus, SDPCM_TEST_CHANNEL, &pkt, 1, TRUE) != BCME_OK) |
| bus->pktgen_fail++; |
| } |
| |
| static void |
| dhdsdio_testrcv(dhd_bus_t *bus, void *pkt, uint seq) |
| { |
| osl_t *osh = bus->dhd->osh; |
| uint8 *data; |
| uint pktlen; |
| |
| uint8 cmd; |
| uint8 extra; |
| uint16 len; |
| uint16 offset; |
| |
| /* Check for min length */ |
| if ((pktlen = PKTLEN(osh, pkt)) < SDPCM_TEST_HDRLEN) { |
| DHD_ERROR(("dhdsdio_restrcv: toss runt frame, pktlen %d\n", pktlen)); |
| PKTFREE(osh, pkt, FALSE); |
| return; |
| } |
| |
| /* Extract header fields */ |
| data = PKTDATA(osh, pkt); |
| cmd = *data++; |
| extra = *data++; |
| len = *data++; len += *data++ << 8; |
| DHD_TRACE(("%s:cmd:%d, xtra:%d,len:%d\n", __FUNCTION__, cmd, extra, len)); |
| /* Check length for relevant commands */ |
| if (cmd == SDPCM_TEST_DISCARD || cmd == SDPCM_TEST_ECHOREQ || cmd == SDPCM_TEST_ECHORSP) { |
| if (pktlen != len + SDPCM_TEST_HDRLEN) { |
| DHD_ERROR(("dhdsdio_testrcv: frame length mismatch, pktlen %d seq %d" |
| " cmd %d extra %d len %d\n", pktlen, seq, cmd, extra, len)); |
| PKTFREE(osh, pkt, FALSE); |
| return; |
| } |
| } |
| |
| /* Process as per command */ |
| switch (cmd) { |
| case SDPCM_TEST_ECHOREQ: |
| /* Rx->Tx turnaround ok (even on NDIS w/current implementation) */ |
| *(uint8 *)(PKTDATA(osh, pkt)) = SDPCM_TEST_ECHORSP; |
| if (dhdsdio_txpkt(bus, SDPCM_TEST_CHANNEL, &pkt, 1, TRUE) == BCME_OK) { |
| bus->pktgen_sent++; |
| } else { |
| bus->pktgen_fail++; |
| PKTFREE(osh, pkt, FALSE); |
| } |
| bus->pktgen_rcvd++; |
| break; |
| |
| case SDPCM_TEST_ECHORSP: |
| if (bus->ext_loop) { |
| PKTFREE(osh, pkt, FALSE); |
| bus->pktgen_rcvd++; |
| break; |
| } |
| |
| for (offset = 0; offset < len; offset++, data++) { |
| if (*data != SDPCM_TEST_FILL(offset, extra)) { |
| DHD_ERROR(("dhdsdio_testrcv: echo data mismatch: " |
| "offset %d (len %d) expect 0x%02x rcvd 0x%02x\n", |
| offset, len, SDPCM_TEST_FILL(offset, extra), *data)); |
| break; |
| } |
| } |
| PKTFREE(osh, pkt, FALSE); |
| bus->pktgen_rcvd++; |
| break; |
| |
| case SDPCM_TEST_DISCARD: |
| { |
| int i = 0; |
| uint8 *prn = data; |
| uint8 testval = extra; |
| for (i = 0; i < len; i++) { |
| if (*prn != testval) { |
| DHD_ERROR(("DIErr@Pkt#:%d,Ix:%d, expected:0x%x, got:0x%x\n", |
| i, bus->pktgen_rcvd_rcvsession, testval, *prn)); |
| prn++; testval++; |
| } |
| } |
| } |
| PKTFREE(osh, pkt, FALSE); |
| bus->pktgen_rcvd++; |
| break; |
| |
| case SDPCM_TEST_BURST: |
| case SDPCM_TEST_SEND: |
| default: |
| DHD_INFO(("dhdsdio_testrcv: unsupported or unknown command, pktlen %d seq %d" |
| " cmd %d extra %d len %d\n", pktlen, seq, cmd, extra, len)); |
| PKTFREE(osh, pkt, FALSE); |
| break; |
| } |
| |
| /* For recv mode, stop at limit (and tell dongle to stop sending) */ |
| if (bus->pktgen_mode == DHD_PKTGEN_RECV) { |
| if (bus->pktgen_rcv_state != PKTGEN_RCV_IDLE) { |
| bus->pktgen_rcvd_rcvsession++; |
| |
| if (bus->pktgen_total && |
| (bus->pktgen_rcvd_rcvsession >= bus->pktgen_total)) { |
| bus->pktgen_count = 0; |
| DHD_ERROR(("Pktgen:rcv test complete!\n")); |
| bus->pktgen_rcv_state = PKTGEN_RCV_IDLE; |
| dhdsdio_sdtest_set(bus, FALSE); |
| bus->pktgen_rcvd_rcvsession = 0; |
| } |
| } |
| } |
| } |
| #endif /* SDTEST */ |
| |
| int dhd_bus_oob_intr_register(dhd_pub_t *dhdp) |
| { |
| int err = 0; |
| |
| err = bcmsdh_oob_intr_register(dhdp->bus->sdh, dhdsdio_isr, dhdp->bus); |
| return err; |
| } |
| |
| void dhd_bus_oob_intr_unregister(dhd_pub_t *dhdp) |
| { |
| bcmsdh_oob_intr_unregister(dhdp->bus->sdh); |
| } |
| |
| void dhd_bus_oob_intr_set(dhd_pub_t *dhdp, bool enable) |
| { |
| bcmsdh_oob_intr_set(dhdp->bus->sdh, enable); |
| } |
| |
| int dhd_bus_get_oob_irq_num(dhd_pub_t *dhdp) |
| { |
| int irq_num = 0; |
| irq_num = bcmsdh_get_oob_intr_num(dhdp->bus->sdh); |
| return irq_num; |
| } |
| |
| #ifdef LINUX |
| struct device *dhd_bus_to_dev(struct dhd_bus *bus) |
| { |
| return (struct device *)bcmsdh_get_dev(bus->sdh); |
| } |
| #endif /* LINUX */ |
| |
| void dhd_bus_dev_pm_stay_awake(dhd_pub_t *dhdpub) |
| { |
| #ifdef LINUX |
| bcmsdh_dev_pm_stay_awake(dhdpub->bus->sdh); |
| #endif |
| } |
| |
| void dhd_bus_dev_pm_relax(dhd_pub_t *dhdpub) |
| { |
| #ifdef LINUX |
| bcmsdh_dev_relax(dhdpub->bus->sdh); |
| #endif |
| } |
| |
| bool dhd_bus_dev_pm_enabled(dhd_pub_t *dhdpub) |
| { |
| bool enabled = FALSE; |
| |
| #ifdef LINUX |
| enabled = bcmsdh_dev_pm_enabled(dhdpub->bus->sdh); |
| #endif |
| return enabled; |
| } |
| |
| extern bool |
| dhd_bus_watchdog(dhd_pub_t *dhdp) |
| { |
| dhd_bus_t *bus; |
| unsigned long flags; |
| |
| DHD_TIMER(("%s: Enter\n", __FUNCTION__)); |
| |
| bus = dhdp->bus; |
| |
| if (bus->dhd->dongle_reset) |
| return FALSE; |
| |
| if (bus->dhd->hang_was_sent) { |
| dhd_os_wd_timer(bus->dhd, 0); |
| return FALSE; |
| } |
| |
| /* Ignore the timer if simulating bus down */ |
| if (!SLPAUTO_ENAB(bus) && bus->sleeping) |
| return FALSE; |
| |
| DHD_LINUX_GENERAL_LOCK(dhdp, flags); |
| if (DHD_BUS_CHECK_DOWN_OR_DOWN_IN_PROGRESS(dhdp) || |
| DHD_BUS_CHECK_SUSPEND_OR_SUSPEND_IN_PROGRESS(dhdp)) { |
| DHD_LINUX_GENERAL_UNLOCK(dhdp, flags); |
| return FALSE; |
| } |
| DHD_BUS_BUSY_SET_IN_WD(dhdp); |
| DHD_LINUX_GENERAL_UNLOCK(dhdp, flags); |
| |
| dhd_os_sdlock(bus->dhd); |
| |
| /* Poll period: check device if appropriate. */ |
| if (!SLPAUTO_ENAB(bus) && (bus->poll && (++bus->polltick >= bus->pollrate))) { |
| uint32 intstatus = 0; |
| |
| /* Reset poll tick */ |
| bus->polltick = 0; |
| |
| /* Check device if no interrupts */ |
| if (!bus->intr || (bus->intrcount == bus->lastintrs)) { |
| #ifdef DEBUG_LOST_INTERRUPTS |
| uint retries = 0; |
| bool hostpending; |
| uint8 devena, devpend; |
| |
| /* Make sure backplane clock is on */ |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| hostpending = bcmsdh_intr_pending(bus->sdh); |
| devena = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_INTEN, NULL); |
| devpend = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_0, SDIOD_CCCR_INTPEND, NULL); |
| |
| R_SDREG(intstatus, &bus->regs->intstatus, retries); |
| intstatus &= bus->hostintmask; |
| |
| if (intstatus && !hostpending) { |
| DHD_ERROR(("%s: !hpend: ena 0x%02x pend 0x%02x intstatus 0x%08x\n", |
| __FUNCTION__, devena, devpend, intstatus)); |
| } |
| #endif /* DEBUG_LOST_INTERRUPTS */ |
| |
| #ifndef BCMSPI |
| /* XXX Needs to be fixed for polling operation (in CE) */ |
| if (!bus->dpc_sched) { |
| uint8 devpend; |
| devpend = bcmsdh_cfg_read(bus->sdh, SDIO_FUNC_0, |
| SDIOD_CCCR_INTPEND, NULL); |
| intstatus = devpend & (INTR_STATUS_FUNC1 | INTR_STATUS_FUNC2); |
| } |
| #else |
| if (!bus->dpc_sched) { |
| uint32 devpend; |
| devpend = bcmsdh_cfg_read_word(bus->sdh, SDIO_FUNC_0, |
| SPID_STATUS_REG, NULL); |
| intstatus = devpend & STATUS_F2_PKT_AVAILABLE; |
| } |
| #endif /* !BCMSPI */ |
| |
| /* If there is something, make like the ISR and schedule the DPC */ |
| if (intstatus) { |
| bus->pollcnt++; |
| bus->ipend = TRUE; |
| if (bus->intr) { |
| bcmsdh_intr_disable(bus->sdh); |
| } |
| bus->dpc_sched = TRUE; |
| dhd_sched_dpc(bus->dhd); |
| } |
| } |
| |
| /* Update interrupt tracking */ |
| bus->lastintrs = bus->intrcount; |
| } |
| |
| #ifdef DHD_DEBUG |
| /* Poll for console output periodically */ |
| if (dhdp->busstate == DHD_BUS_DATA && dhdp->dhd_console_ms != 0) { |
| bus->console.count += dhd_watchdog_ms; |
| if (bus->console.count >= dhdp->dhd_console_ms) { |
| bus->console.count -= dhdp->dhd_console_ms; |
| /* Make sure backplane clock is on */ |
| if (SLPAUTO_ENAB(bus)) |
| dhdsdio_bussleep(bus, FALSE); |
| else |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| if (dhdsdio_readconsole(bus) < 0) |
| dhdp->dhd_console_ms = 0; /* On error, stop trying */ |
| } |
| } |
| #endif /* DHD_DEBUG */ |
| |
| #ifdef SDTEST |
| /* Generate packets if configured */ |
| if (bus->pktgen_count && (++bus->pktgen_tick >= bus->pktgen_freq)) { |
| /* Make sure backplane clock is on */ |
| if (SLPAUTO_ENAB(bus)) |
| dhdsdio_bussleep(bus, FALSE); |
| else |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| bus->pktgen_tick = 0; |
| dhdsdio_pktgen(bus); |
| } |
| #endif |
| |
| /* On idle timeout clear activity flag and/or turn off clock */ |
| #ifdef DHD_USE_IDLECOUNT |
| if (bus->activity) |
| bus->activity = FALSE; |
| else { |
| bus->idlecount++; |
| |
| /* |
| * If the condition to switch off the clock is reached And if |
| * BT is inactive (in case of BT_OVER_SDIO build) turn off clk. |
| * |
| * Consider the following case, DHD is configured with |
| * 1) idletime == DHD_IDLE_IMMEDIATE |
| * 2) BT is the last user of the clock |
| * We cannot disable the clock from __dhdsdio_clk_disable |
| * since WLAN might be using it. If WLAN is active then |
| * from the respective function/context after doing the job |
| * the clk is turned off. |
| * But if WLAN is actually inactive then the watchdog should |
| * disable the clock. So the condition check below should be |
| * bus->idletime != 0 instead of idletime == 0 |
| */ |
| if ((bus->idletime != 0) && (bus->idlecount >= bus->idletime) && |
| NO_OTHER_ACTIVE_BUS_USER(bus)) { |
| DHD_TIMER(("%s: DHD Idle state!!\n", __FUNCTION__)); |
| if (SLPAUTO_ENAB(bus)) { |
| if (dhdsdio_bussleep(bus, TRUE) != BCME_BUSY) |
| dhd_os_wd_timer(bus->dhd, 0); |
| } else |
| dhdsdio_clkctl(bus, CLK_NONE, FALSE); |
| |
| bus->idlecount = 0; |
| } |
| } |
| #else |
| if ((bus->idletime != 0) && (bus->clkstate == CLK_AVAIL) && |
| NO_OTHER_ACTIVE_BUS_USER(bus)) { |
| if (++bus->idlecount >= bus->idletime) { |
| bus->idlecount = 0; |
| if (bus->activity) { |
| bus->activity = FALSE; |
| if (SLPAUTO_ENAB(bus)) { |
| if (!bus->readframes) |
| dhdsdio_bussleep(bus, TRUE); |
| else |
| bus->reqbussleep = TRUE; |
| } else { |
| dhdsdio_clkctl(bus, CLK_NONE, FALSE); |
| } |
| } |
| } |
| } |
| #endif /* DHD_USE_IDLECOUNT */ |
| |
| dhd_os_sdunlock(bus->dhd); |
| |
| DHD_LINUX_GENERAL_LOCK(dhdp, flags); |
| DHD_BUS_BUSY_CLEAR_IN_WD(dhdp); |
| dhd_os_busbusy_wake(dhdp); |
| DHD_LINUX_GENERAL_UNLOCK(dhdp, flags); |
| |
| return bus->ipend; |
| } |
| |
| extern int |
| dhd_bus_console_in(dhd_pub_t *dhdp, uchar *msg, uint msglen) |
| { |
| dhd_bus_t *bus = dhdp->bus; |
| uint32 addr, val; |
| int rv; |
| void *pkt; |
| |
| /* Address could be zero if CONSOLE := 0 in dongle Makefile */ |
| if (bus->console_addr == 0) |
| return BCME_UNSUPPORTED; |
| |
| /* Exclusive bus access */ |
| dhd_os_sdlock(bus->dhd); |
| |
| /* Don't allow input if dongle is in reset */ |
| if (bus->dhd->dongle_reset) { |
| dhd_os_sdunlock(bus->dhd); |
| return BCME_NOTREADY; |
| } |
| |
| /* Request clock to allow SDIO accesses */ |
| BUS_WAKE(bus); |
| /* No pend allowed since txpkt is called later, ht clk has to be on */ |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| /* Zero cbuf_index */ |
| addr = bus->console_addr + OFFSETOF(hnd_cons_t, cbuf_idx); |
| /* handle difference in definition of hnd_log_t in certain branches */ |
| if (dhdp->wlc_ver_major < 14) { |
| addr -= sizeof(uint32); |
| } |
| val = htol32(0); |
| if ((rv = dhdsdio_membytes(bus, TRUE, addr, (uint8 *)&val, sizeof(val))) < 0) |
| goto done; |
| |
| /* Write message into cbuf */ |
| addr = bus->console_addr + OFFSETOF(hnd_cons_t, cbuf); |
| /* handle difference in definition of hnd_log_t in certain branches */ |
| if (dhdp->wlc_ver_major < 14) { |
| addr -= sizeof(uint32); |
| } |
| if ((rv = dhdsdio_membytes(bus, TRUE, addr, (uint8 *)msg, msglen)) < 0) |
| goto done; |
| |
| /* Write length into vcons_in */ |
| addr = bus->console_addr + OFFSETOF(hnd_cons_t, vcons_in); |
| val = htol32(msglen); |
| if ((rv = dhdsdio_membytes(bus, TRUE, addr, (uint8 *)&val, sizeof(val))) < 0) |
| goto done; |
| |
| /* Bump dongle by sending an empty packet on the event channel. |
| * sdpcm_sendup (RX) checks for virtual console input. |
| */ |
| if ((pkt = PKTGET(bus->dhd->osh, 4 + SDPCM_RESERVE, TRUE)) != NULL) |
| rv = dhdsdio_txpkt(bus, SDPCM_EVENT_CHANNEL, &pkt, 1, TRUE); |
| |
| done: |
| if ((bus->idletime == DHD_IDLE_IMMEDIATE) && !bus->dpc_sched && |
| NO_OTHER_ACTIVE_BUS_USER(bus)) { |
| bus->activity = FALSE; |
| dhdsdio_bussleep(bus, TRUE); |
| dhdsdio_clkctl(bus, CLK_NONE, FALSE); |
| } |
| |
| dhd_os_sdunlock(bus->dhd); |
| |
| return rv; |
| } |
| |
| #if defined(DHD_DEBUG) && !defined(BCMSDIOLITE) |
| static void |
| dhd_dump_cis(uint fn, uint8 *cis) |
| { |
| uint byte, tag, tdata; |
| DHD_INFO(("Function %d CIS:\n", fn)); |
| |
| for (tdata = byte = 0; byte < SBSDIO_CIS_SIZE_LIMIT; byte++) { |
| if ((byte % 16) == 0) |
| DHD_INFO((" ")); |
| DHD_INFO(("%02x ", cis[byte])); |
| if ((byte % 16) == 15) |
| DHD_INFO(("\n")); |
| if (!tdata--) { |
| tag = cis[byte]; |
| if (tag == 0xff) |
| break; |
| else if (!tag) |
| tdata = 0; |
| else if ((byte + 1) < SBSDIO_CIS_SIZE_LIMIT) |
| tdata = cis[byte + 1] + 1; |
| else |
| DHD_INFO(("]")); |
| } |
| } |
| if ((byte % 16) != 15) |
| DHD_INFO(("\n")); |
| } |
| #endif /* DHD_DEBUG */ |
| |
| static bool |
| dhdsdio_chipmatch(uint16 chipid) |
| { |
| if (chipid == BCM4335_CHIP_ID) |
| return TRUE; |
| if (chipid == BCM4339_CHIP_ID) |
| return TRUE; |
| if (BCM4345_CHIP(chipid)) |
| return TRUE; |
| if (chipid == BCM4350_CHIP_ID) |
| return TRUE; |
| if (chipid == BCM4354_CHIP_ID) |
| return TRUE; |
| if (chipid == BCM4358_CHIP_ID) |
| return TRUE; |
| if (chipid == BCM43430_CHIP_ID) |
| return TRUE; |
| if (chipid == BCM43018_CHIP_ID) |
| return TRUE; |
| if (BCM4349_CHIP(chipid)) |
| return TRUE; |
| if (chipid == BCM4364_CHIP_ID) |
| return TRUE; |
| |
| if (chipid == BCM4381_CHIP_ID) { |
| return TRUE; |
| } |
| |
| if (chipid == BCM43012_CHIP_ID) |
| return TRUE; |
| |
| if (chipid == BCM43014_CHIP_ID) |
| return TRUE; |
| |
| if (chipid == BCM43013_CHIP_ID) |
| return TRUE; |
| |
| if (chipid == BCM4369_CHIP_ID) |
| return TRUE; |
| |
| if (BCM4378_CHIP(chipid)) { |
| return TRUE; |
| } |
| |
| if (chipid == BCM4362_CHIP_ID) |
| return TRUE; |
| if (chipid == BCM43751_CHIP_ID) |
| return TRUE; |
| if (chipid == BCM43752_CHIP_ID) |
| return TRUE; |
| |
| return FALSE; |
| } |
| |
| static void * |
| dhdsdio_probe(uint16 venid, uint16 devid, uint16 bus_no, uint16 slot, |
| uint16 func, uint bustype, void *regsva, osl_t * osh, void *sdh) |
| { |
| int ret; |
| dhd_bus_t *bus; |
| |
| #if defined(LINUX) && defined(MULTIPLE_SUPPLICANT) |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) |
| if (mutex_is_locked(&_dhd_sdio_mutex_lock_) == 0) { |
| DHD_ERROR(("%s : no mutex held. set lock\n", __FUNCTION__)); |
| } else { |
| DHD_ERROR(("%s : mutex is locked!. wait for unlocking\n", __FUNCTION__)); |
| } |
| mutex_lock(&_dhd_sdio_mutex_lock_); |
| #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) */ |
| #endif /* defined(LINUX) && defined(MULTIPLE_SUPPLICANT) */ |
| |
| /* Init global variables at run-time, not as part of the declaration. |
| * This is required to support init/de-init of the driver. Initialization |
| * of globals as part of the declaration results in non-deterministic |
| * behavior since the value of the globals may be different on the |
| * first time that the driver is initialized vs subsequent initializations. |
| */ |
| dhd_txbound = DHD_TXBOUND; |
| dhd_rxbound = DHD_RXBOUND; |
| #ifdef BCMSPI |
| dhd_alignctl = FALSE; |
| #else |
| dhd_alignctl = TRUE; |
| #endif /* BCMSPI */ |
| sd1idle = TRUE; |
| dhd_readahead = TRUE; |
| retrydata = FALSE; |
| |
| #ifdef DISABLE_FLOW_CONTROL |
| dhd_doflow = FALSE; |
| #endif /* DISABLE_FLOW_CONTROL */ |
| dhd_dongle_ramsize = 0; |
| dhd_txminmax = DHD_TXMINMAX; |
| |
| #ifdef BCMSPI |
| forcealign = FALSE; |
| #else |
| forcealign = TRUE; |
| #endif /* !BCMSPI */ |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| DHD_INFO(("%s: venid 0x%04x devid 0x%04x\n", __FUNCTION__, venid, devid)); |
| |
| /* We make assumptions about address window mappings */ |
| ASSERT((uintptr)regsva == si_enum_base(devid)); |
| |
| /* BCMSDH passes venid and devid based on CIS parsing -- but low-power start |
| * means early parse could fail, so here we should get either an ID |
| * we recognize OR (-1) indicating we must request power first. |
| */ |
| /* Check the Vendor ID */ |
| switch (venid) { |
| case 0x0000: |
| case VENDOR_BROADCOM: |
| break; |
| default: |
| DHD_ERROR(("%s: unknown vendor: 0x%04x\n", |
| __FUNCTION__, venid)); |
| goto forcereturn; |
| } |
| |
| /* Check the Device ID and make sure it's one that we support */ |
| switch (devid) { |
| case 0: |
| DHD_INFO(("%s: allow device id 0, will check chip internals\n", |
| __FUNCTION__)); |
| break; |
| |
| default: |
| DHD_ERROR(("%s: skipping 0x%04x/0x%04x, not a dongle\n", |
| __FUNCTION__, venid, devid)); |
| goto forcereturn; |
| } |
| |
| if (osh == NULL) { |
| DHD_ERROR(("%s: osh is NULL!\n", __FUNCTION__)); |
| goto forcereturn; |
| } |
| |
| /* Allocate private bus interface state */ |
| if (!(bus = MALLOC(osh, sizeof(dhd_bus_t)))) { |
| DHD_ERROR(("%s: MALLOC of dhd_bus_t failed\n", __FUNCTION__)); |
| goto fail; |
| } |
| bzero(bus, sizeof(dhd_bus_t)); |
| bus->sdh = sdh; |
| bus->cl_devid = (uint16)devid; |
| bus->bus = DHD_BUS; |
| bus->bus_num = bus_no; |
| bus->slot_num = slot; |
| bus->tx_seq = SDPCM_SEQUENCE_WRAP - 1; |
| bus->usebufpool = FALSE; /* Use bufpool if allocated, else use locally malloced rxbuf */ |
| #ifdef BT_OVER_SDIO |
| bus->bt_use_count = 0; |
| #endif |
| |
| #if defined(LINUX) && defined(SUPPORT_P2P_GO_PS) |
| init_waitqueue_head(&bus->bus_sleep); |
| #endif /* LINUX && SUPPORT_P2P_GO_PS */ |
| |
| /* attempt to attach to the dongle */ |
| if (!(dhdsdio_probe_attach(bus, osh, sdh, regsva, devid))) { |
| DHD_ERROR(("%s: dhdsdio_probe_attach failed\n", __FUNCTION__)); |
| goto fail; |
| } |
| |
| /* Attach to the dhd/OS/network interface */ |
| if (!(bus->dhd = dhd_attach(osh, bus, SDPCM_RESERVE))) { |
| DHD_ERROR(("%s: dhd_attach failed\n", __FUNCTION__)); |
| goto fail; |
| } |
| |
| /* Allocate buffers */ |
| if (!(dhdsdio_probe_malloc(bus, osh, sdh))) { |
| DHD_ERROR(("%s: dhdsdio_probe_malloc failed\n", __FUNCTION__)); |
| goto fail; |
| } |
| |
| if (!(dhdsdio_probe_init(bus, osh, sdh))) { |
| DHD_ERROR(("%s: dhdsdio_probe_init failed\n", __FUNCTION__)); |
| goto fail; |
| } |
| |
| if (bus->intr) { |
| /* Register interrupt callback, but mask it (not operational yet). */ |
| DHD_INTR(("%s: disable SDIO interrupts (not interested yet)\n", __FUNCTION__)); |
| bcmsdh_intr_disable(sdh); /* XXX New API: bcmsdh_intr_mask()? */ |
| if ((ret = bcmsdh_intr_reg(sdh, dhdsdio_isr, bus)) != 0) { |
| DHD_ERROR(("%s: FAILED: bcmsdh_intr_reg returned %d\n", |
| __FUNCTION__, ret)); |
| goto fail; |
| } |
| DHD_INTR(("%s: registered SDIO interrupt function ok\n", __FUNCTION__)); |
| } else { |
| DHD_INFO(("%s: SDIO interrupt function is NOT registered due to polling mode\n", |
| __FUNCTION__)); |
| } |
| |
| DHD_INFO(("%s: completed!!\n", __FUNCTION__)); |
| |
| /* if firmware path present try to download and bring up bus */ |
| bus->dhd->hang_report = TRUE; |
| #if defined(LINUX) || defined(linux) |
| if (dhd_download_fw_on_driverload) { |
| #endif /* LINUX || linux */ |
| if ((ret = dhd_bus_start(bus->dhd)) != 0) { |
| DHD_ERROR(("%s: dhd_bus_start failed\n", __FUNCTION__)); |
| goto fail; |
| } |
| #if defined(LINUX) || defined(linux) |
| } |
| else { |
| /* Set random MAC address during boot time */ |
| get_random_bytes(&bus->dhd->mac.octet[3], 3); |
| /* Adding BRCM OUI */ |
| bus->dhd->mac.octet[0] = 0; |
| bus->dhd->mac.octet[1] = 0x90; |
| bus->dhd->mac.octet[2] = 0x4C; |
| } |
| #endif /* LINUX || linux */ |
| #if defined(BT_OVER_SDIO) |
| /* At this point Regulators are turned on and iconditionaly sdio bus is started |
| * based upon dhd_download_fw_on_driverload check, so |
| * increase the bus user count, this count will only be disabled inside |
| * dhd_register_if() function if flag dhd_download_fw_on_driverload is set to false, |
| * i.e FW download during insmod is not needed, otherwise it will not be decremented |
| * so that WALN will always hold the bus untill rmmod is done. |
| */ |
| dhdsdio_bus_usr_cnt_inc(bus->dhd); |
| #endif /* BT_OVER_SDIO */ |
| /* Ok, have the per-port tell the stack we're open for business */ |
| if (dhd_register_if(bus->dhd, 0, TRUE) != 0) { |
| DHD_ERROR(("%s: Net attach failed!!\n", __FUNCTION__)); |
| goto fail; |
| } |
| |
| #ifdef BCMHOST_XTAL_PU_TIME_MOD |
| bcmsdh_reg_write(bus->sdh, 0x18000620, 2, 11); |
| bcmsdh_reg_write(bus->sdh, 0x18000628, 4, 0x00F80001); |
| #endif /* BCMHOST_XTAL_PU_TIME_MOD */ |
| |
| #if defined(LINUX) && defined(MULTIPLE_SUPPLICANT) |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) |
| mutex_unlock(&_dhd_sdio_mutex_lock_); |
| DHD_ERROR(("%s : the lock is released.\n", __FUNCTION__)); |
| #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ |
| #endif /* defined(LINUX) && defined(MULTIPLE_SUPPLICANT) */ |
| |
| return bus; |
| |
| fail: |
| dhdsdio_release(bus, osh); |
| |
| forcereturn: |
| #if defined(LINUX) && defined(MULTIPLE_SUPPLICANT) |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) |
| mutex_unlock(&_dhd_sdio_mutex_lock_); |
| DHD_ERROR(("%s : the lock is released.\n", __FUNCTION__)); |
| #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)) */ |
| #endif /* defined(LINUX) && defined(MULTIPLE_SUPPLICANT) */ |
| |
| return NULL; |
| } |
| |
| static bool |
| dhdsdio_probe_attach(struct dhd_bus *bus, osl_t *osh, void *sdh, void *regsva, |
| uint16 devid) |
| { |
| #ifndef BCMSPI |
| int err = 0; |
| uint8 clkctl = 0; |
| #endif /* !BCMSPI */ |
| |
| bus->alp_only = TRUE; |
| bus->sih = NULL; |
| |
| /* Return the window to backplane enumeration space for core access */ |
| if (dhdsdio_set_siaddr_window(bus, si_enum_base(devid))) { |
| DHD_ERROR(("%s: FAILED to return to SI_ENUM_BASE\n", __FUNCTION__)); |
| } |
| |
| #if defined(DHD_DEBUG) && !defined(CUSTOMER_HW4_DEBUG) |
| DHD_ERROR(("F1 signature read @0x18000000=0x%4x\n", |
| bcmsdh_reg_read(bus->sdh, si_enum_base(devid), 4))); |
| #endif /* DHD_DEBUG && !CUSTOMER_HW4_DEBUG */ |
| |
| #ifndef BCMSPI /* wake-wlan in gSPI will bring up the htavail/alpavail clocks. */ |
| |
| /* Force PLL off until si_attach() programs PLL control regs */ |
| |
| /* XXX Ideally should not access F1 power control regs before |
| * reading CIS and confirming device. But strapping option for |
| * low-power start requires turning on ALP before reading CIS, |
| * and at some point bcmsdh should read the CIS for the ID and |
| * not even tell us if it's some other device. At this point |
| * (see above) we should know it's us (powered on) or can't read |
| * CIS so we need to power on and try. |
| */ |
| |
| /* WAR for PR 39902: must force HT off until PLL programmed. */ |
| /* WAR for PR43618, PR44891: don't do ALPReq until ALPAvail set */ |
| |
| /* XXX Replace write/read sequence with single bcmsdh_cfg_raw() call */ |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, DHD_INIT_CLKCTL1, &err); |
| if (!err) |
| clkctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, &err); |
| |
| if (err || ((clkctl & ~SBSDIO_AVBITS) != DHD_INIT_CLKCTL1)) { |
| DHD_ERROR(("dhdsdio_probe: ChipClkCSR access: err %d wrote 0x%02x read 0x%02x\n", |
| err, DHD_INIT_CLKCTL1, clkctl)); |
| goto fail; |
| } |
| |
| #endif /* !BCMSPI */ |
| |
| #ifdef DHD_DEBUG |
| if (DHD_INFO_ON()) { |
| uint fn, numfn; |
| uint8 *cis = NULL; |
| int local_err = 0; |
| |
| #ifndef BCMSPI |
| numfn = bcmsdh_query_iofnum(sdh); |
| ASSERT(numfn <= SDIOD_MAX_IOFUNCS); |
| |
| /* Make sure ALP is available before trying to read CIS */ |
| SPINWAIT(((clkctl = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, |
| SBSDIO_FUNC1_CHIPCLKCSR, NULL)), |
| !SBSDIO_ALPAV(clkctl)), PMU_MAX_TRANSITION_DLY); |
| |
| /* Now request ALP be put on the bus */ |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, |
| DHD_INIT_CLKCTL2, &local_err); |
| /* XXX Account for possible delay between ALP available and on active */ |
| OSL_DELAY(65); |
| #else |
| numfn = 0; /* internally func is hardcoded to 1 as gSPI has cis on F1 only */ |
| #endif /* !BCMSPI */ |
| #ifndef BCMSDIOLITE |
| if (!(cis = MALLOC(osh, SBSDIO_CIS_SIZE_LIMIT))) { |
| DHD_INFO(("dhdsdio_probe: cis malloc failed\n")); |
| goto fail; |
| } |
| |
| for (fn = 0; fn <= numfn; fn++) { |
| bzero(cis, SBSDIO_CIS_SIZE_LIMIT); |
| if ((err = bcmsdh_cis_read(sdh, fn, cis, |
| SBSDIO_CIS_SIZE_LIMIT))) { |
| DHD_INFO(("dhdsdio_probe: fn %d cis read err %d\n", |
| fn, err)); |
| break; |
| } |
| dhd_dump_cis(fn, cis); |
| } |
| MFREE(osh, cis, SBSDIO_CIS_SIZE_LIMIT); |
| #else |
| BCM_REFERENCE(cis); |
| BCM_REFERENCE(fn); |
| #endif /* DHD_DEBUG */ |
| if (local_err) { |
| DHD_ERROR(("dhdsdio_probe: failure reading or parsing CIS\n")); |
| goto fail; |
| } |
| } |
| #endif /* DHD_DEBUG */ |
| |
| /* si_attach() will provide an SI handle and scan the backplane */ |
| if (!(bus->sih = si_attach((uint)devid, osh, regsva, DHD_BUS, sdh, |
| &bus->vars, &bus->varsz))) { |
| DHD_ERROR(("%s: si_attach failed!\n", __FUNCTION__)); |
| goto fail; |
| } |
| |
| #ifdef DHD_DEBUG |
| DHD_ERROR(("F1 signature OK, socitype:0x%x chip:0x%4x rev:0x%x pkg:0x%x\n", |
| bus->sih->socitype, bus->sih->chip, bus->sih->chiprev, bus->sih->chippkg)); |
| #endif /* DHD_DEBUG */ |
| |
| /* XXX Let the layers below dhd know the chipid and chiprev for |
| * controlling sw WARs for hw PRs |
| */ |
| bcmsdh_chipinfo(sdh, bus->sih->chip, bus->sih->chiprev); |
| |
| if (!dhdsdio_chipmatch((uint16)bus->sih->chip)) { |
| DHD_ERROR(("%s: unsupported chip: 0x%04x\n", |
| __FUNCTION__, bus->sih->chip)); |
| goto fail; |
| } |
| |
| if (bus->sih->buscorerev >= 12) { |
| dhdsdio_clk_kso_init(bus); |
| } else { |
| bus->kso = TRUE; |
| } |
| |
| /* to wake up completely incase sleep is triggered before bus start */ |
| dhdsdio_set_wakeupctrl(bus); |
| |
| si_sdiod_drive_strength_init(bus->sih, osh, dhd_sdiod_drive_strength); |
| |
| /* Get info on the ARM and SOCRAM cores... */ |
| /* XXX Should really be qualified by device id */ |
| if (!DHD_NOPMU(bus)) { |
| if ((si_setcore(bus->sih, ARM7S_CORE_ID, 0)) || |
| (si_setcore(bus->sih, ARMCM3_CORE_ID, 0)) || |
| (si_setcore(bus->sih, ARMCR4_CORE_ID, 0))) { |
| bus->armrev = si_corerev(bus->sih); |
| } else { |
| DHD_ERROR(("%s: failed to find ARM core!\n", __FUNCTION__)); |
| goto fail; |
| } |
| |
| if (!si_setcore(bus->sih, ARMCR4_CORE_ID, 0)) { |
| if (!(bus->orig_ramsize = si_socram_size(bus->sih))) { |
| DHD_ERROR(("%s: failed to find SOCRAM memory!\n", __FUNCTION__)); |
| goto fail; |
| } |
| } else { |
| /* cr4 has a different way to find the RAM size from TCM's */ |
| if (!(bus->orig_ramsize = si_tcm_size(bus->sih))) { |
| DHD_ERROR(("%s: failed to find CR4-TCM memory!\n", __FUNCTION__)); |
| goto fail; |
| } |
| /* also populate base address */ |
| switch ((uint16)bus->sih->chip) { |
| case BCM4335_CHIP_ID: |
| case BCM4339_CHIP_ID: |
| bus->dongle_ram_base = CR4_4335_RAM_BASE; |
| break; |
| case BCM4350_CHIP_ID: |
| case BCM4354_CHIP_ID: |
| case BCM4358_CHIP_ID: |
| bus->dongle_ram_base = CR4_4350_RAM_BASE; |
| break; |
| case BCM4360_CHIP_ID: |
| bus->dongle_ram_base = CR4_4360_RAM_BASE; |
| break; |
| CASE_BCM4345_CHIP: |
| bus->dongle_ram_base = (bus->sih->chiprev < 6) /* from 4345C0 */ |
| ? CR4_4345_LT_C0_RAM_BASE : CR4_4345_GE_C0_RAM_BASE; |
| break; |
| case BCM4349_CHIP_GRPID: |
| /* RAM based changed from 4349c0(revid=9) onwards */ |
| bus->dongle_ram_base = ((bus->sih->chiprev < 9) ? |
| CR4_4349_RAM_BASE: CR4_4349_RAM_BASE_FROM_REV_9); |
| break; |
| case BCM4364_CHIP_ID: |
| bus->dongle_ram_base = CR4_4364_RAM_BASE; |
| break; |
| case BCM4381_CHIP_ID: |
| bus->dongle_ram_base = CR4_4381_RAM_BASE; |
| break; |
| case BCM4362_CHIP_ID: |
| bus->dongle_ram_base = CR4_4362_RAM_BASE; |
| break; |
| case BCM43751_CHIP_ID: |
| bus->dongle_ram_base = CR4_43751_RAM_BASE; |
| break; |
| case BCM43752_CHIP_ID: |
| bus->dongle_ram_base = CR4_43752_RAM_BASE; |
| break; |
| case BCM4369_CHIP_ID: |
| bus->dongle_ram_base = CR4_4369_RAM_BASE; |
| break; |
| case BCM4378_CHIP_GRPID: |
| bus->dongle_ram_base = CR4_4378_RAM_BASE; |
| break; |
| default: |
| bus->dongle_ram_base = 0; |
| DHD_ERROR(("%s: WARNING: Using default ram base at 0x%x\n", |
| __FUNCTION__, bus->dongle_ram_base)); |
| } |
| } |
| bus->ramsize = bus->orig_ramsize; |
| if (dhd_dongle_ramsize) |
| dhd_dongle_setramsize(bus, dhd_dongle_ramsize); |
| |
| DHD_ERROR(("DHD: dongle ram size is set to %d(orig %d) at 0x%x\n", |
| bus->ramsize, bus->orig_ramsize, bus->dongle_ram_base)); |
| |
| bus->srmemsize = si_socram_srmem_size(bus->sih); |
| } |
| |
| /* ...but normally deal with the SDPCMDEV core */ |
| #ifdef BCMSDIOLITE |
| if (!(bus->regs = si_setcore(bus->sih, CC_CORE_ID, 0))) { |
| DHD_ERROR(("%s: failed to find Chip Common core!\n", __FUNCTION__)); |
| goto fail; |
| } |
| #else |
| if (!(bus->regs = si_setcore(bus->sih, PCMCIA_CORE_ID, 0)) && |
| !(bus->regs = si_setcore(bus->sih, SDIOD_CORE_ID, 0))) { |
| DHD_ERROR(("%s: failed to find SDIODEV core!\n", __FUNCTION__)); |
| goto fail; |
| } |
| #endif |
| bus->sdpcmrev = si_corerev(bus->sih); |
| |
| /* Set core control so an SDIO reset does a backplane reset */ |
| OR_REG(osh, &bus->regs->corecontrol, CC_BPRESEN); |
| #ifndef BCMSPI |
| bus->rxint_mode = SDIO_DEVICE_HMB_RXINT; |
| |
| if ((bus->sih->buscoretype == SDIOD_CORE_ID) && (bus->sdpcmrev >= 4) && |
| (bus->rxint_mode == SDIO_DEVICE_RXDATAINT_MODE_1)) |
| { |
| uint32 val; |
| |
| val = R_REG(osh, &bus->regs->corecontrol); |
| val &= ~CC_XMTDATAAVAIL_MODE; |
| val |= CC_XMTDATAAVAIL_CTRL; |
| W_REG(osh, &bus->regs->corecontrol, val); |
| } |
| #endif /* BCMSPI */ |
| |
| /* XXX Tx needs priority queue, where to determine levels? */ |
| /* XXX Should it try to do WLC mapping, or just pass through? */ |
| pktq_init(&bus->txq, (PRIOMASK + 1), QLEN); |
| |
| /* Locate an appropriately-aligned portion of hdrbuf */ |
| bus->rxhdr = (uint8 *)ROUNDUP((uintptr)&bus->hdrbuf[0], DHD_SDALIGN); |
| |
| /* Set the poll and/or interrupt flags */ |
| bus->intr = (bool)dhd_intr; |
| if ((bus->poll = (bool)dhd_poll)) |
| bus->pollrate = 1; |
| |
| /* Setting default Glom size */ |
| bus->txglomsize = SDPCM_DEFGLOM_SIZE; |
| |
| return TRUE; |
| |
| fail: |
| if (bus->sih != NULL) { |
| si_detach(bus->sih); |
| bus->sih = NULL; |
| } |
| return FALSE; |
| } |
| |
| static bool |
| dhdsdio_probe_malloc(dhd_bus_t *bus, osl_t *osh, void *sdh) |
| { |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| if (bus->dhd->maxctl) { |
| bus->rxblen = ROUNDUP((bus->dhd->maxctl+SDPCM_HDRLEN), ALIGNMENT) + DHD_SDALIGN; |
| if (!(bus->rxbuf = DHD_OS_PREALLOC(bus->dhd, DHD_PREALLOC_RXBUF, bus->rxblen))) { |
| DHD_ERROR(("%s: MALLOC of %d-byte rxbuf failed\n", |
| __FUNCTION__, bus->rxblen)); |
| goto fail; |
| } |
| } |
| /* Allocate buffer to receive glomed packet */ |
| if (!(bus->databuf = DHD_OS_PREALLOC(bus->dhd, DHD_PREALLOC_DATABUF, MAX_DATA_BUF))) { |
| DHD_ERROR(("%s: MALLOC of %d-byte databuf failed\n", |
| __FUNCTION__, MAX_DATA_BUF)); |
| /* release rxbuf which was already located as above */ |
| if (!bus->rxblen) |
| DHD_OS_PREFREE(bus->dhd, bus->rxbuf, bus->rxblen); |
| goto fail; |
| } |
| |
| /* Align the buffer */ |
| if ((uintptr)bus->databuf % DHD_SDALIGN) |
| bus->dataptr = bus->databuf + (DHD_SDALIGN - ((uintptr)bus->databuf % DHD_SDALIGN)); |
| else |
| bus->dataptr = bus->databuf; |
| |
| return TRUE; |
| |
| fail: |
| return FALSE; |
| } |
| |
| static bool |
| dhdsdio_probe_init(dhd_bus_t *bus, osl_t *osh, void *sdh) |
| { |
| int32 fnum; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| bus->_srenab = FALSE; |
| |
| #ifdef SDTEST |
| dhdsdio_pktgen_init(bus); |
| #endif /* SDTEST */ |
| |
| #ifndef BCMSPI |
| /* Disable F2 to clear any intermediate frame state on the dongle */ |
| /* XXX New API: change to bcmsdh_fn_set(sdh, SDIO_FUNC_2, FALSE); */ |
| /* XXX Might write SRES instead, or reset ARM (download prep)? */ |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_0, SDIOD_CCCR_IOEN, SDIO_FUNC_ENABLE_1, NULL); |
| #endif /* !BCMSPI */ |
| |
| DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__)); |
| bus->dhd->busstate = DHD_BUS_DOWN; |
| bus->sleeping = FALSE; |
| bus->rxflow = FALSE; |
| bus->prev_rxlim_hit = 0; |
| |
| #ifndef BCMSPI |
| /* Done with backplane-dependent accesses, can drop clock... */ |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR, 0, NULL); |
| #endif /* !BCMSPI */ |
| |
| /* ...and initialize clock/power states */ |
| bus->clkstate = CLK_SDONLY; |
| bus->idletime = (int32)dhd_idletime; |
| bus->idleclock = DHD_IDLE_ACTIVE; |
| |
| /* Query the SD clock speed */ |
| if (bcmsdh_iovar_op(sdh, "sd_divisor", NULL, 0, |
| &bus->sd_divisor, sizeof(int32), FALSE) != BCME_OK) { |
| DHD_ERROR(("%s: fail on %s get\n", __FUNCTION__, "sd_divisor")); |
| bus->sd_divisor = -1; |
| } else { |
| DHD_INFO(("%s: Initial value for %s is %d\n", |
| __FUNCTION__, "sd_divisor", bus->sd_divisor)); |
| } |
| |
| /* Query the SD bus mode */ |
| if (bcmsdh_iovar_op(sdh, "sd_mode", NULL, 0, |
| &bus->sd_mode, sizeof(int32), FALSE) != BCME_OK) { |
| DHD_ERROR(("%s: fail on %s get\n", __FUNCTION__, "sd_mode")); |
| bus->sd_mode = -1; |
| } else { |
| DHD_INFO(("%s: Initial value for %s is %d\n", |
| __FUNCTION__, "sd_mode", bus->sd_mode)); |
| } |
| |
| /* Query the F2 block size, set roundup accordingly */ |
| fnum = 2; |
| if (bcmsdh_iovar_op(sdh, "sd_blocksize", &fnum, sizeof(int32), |
| &bus->blocksize, sizeof(int32), FALSE) != BCME_OK) { |
| bus->blocksize = 0; |
| DHD_ERROR(("%s: fail on %s get\n", __FUNCTION__, "sd_blocksize")); |
| } else { |
| DHD_INFO(("%s: Initial value for %s is %d\n", |
| __FUNCTION__, "sd_blocksize", bus->blocksize)); |
| |
| dhdsdio_tune_fifoparam(bus); |
| } |
| bus->roundup = MIN(max_roundup, bus->blocksize); |
| |
| #ifdef DHDENABLE_TAILPAD |
| if (bus->pad_pkt) |
| PKTFREE(osh, bus->pad_pkt, FALSE); |
| bus->pad_pkt = PKTGET(osh, SDIO_MAX_BLOCK_SIZE, FALSE); |
| if (bus->pad_pkt == NULL) |
| DHD_ERROR(("failed to allocate padding packet\n")); |
| else { |
| int alignment_offset = 0; |
| uintptr pktprt = (uintptr)PKTDATA(osh, bus->pad_pkt); |
| if (!(pktprt&1) && (pktprt = (pktprt % DHD_SDALIGN))) |
| PKTPUSH(osh, bus->pad_pkt, alignment_offset); |
| PKTSETNEXT(osh, bus->pad_pkt, NULL); |
| } |
| #endif /* DHDENABLE_TAILPAD */ |
| |
| /* Query if bus module supports packet chaining, default to use if supported */ |
| if (bcmsdh_iovar_op(sdh, "sd_rxchain", NULL, 0, |
| &bus->sd_rxchain, sizeof(int32), FALSE) != BCME_OK) { |
| bus->sd_rxchain = FALSE; |
| } else { |
| DHD_INFO(("%s: bus module (through bcmsdh API) %s chaining\n", |
| __FUNCTION__, (bus->sd_rxchain ? "supports" : "does not support"))); |
| } |
| bus->use_rxchain = (bool)bus->sd_rxchain; |
| bus->txinrx_thres = CUSTOM_TXINRX_THRES; |
| /* TX first in dhdsdio_readframes() */ |
| bus->dotxinrx = TRUE; |
| |
| return TRUE; |
| } |
| |
| int |
| dhd_bus_download_firmware(struct dhd_bus *bus, osl_t *osh, |
| char *pfw_path, char *pnv_path) |
| { |
| int ret; |
| |
| bus->fw_path = pfw_path; |
| bus->nv_path = pnv_path; |
| |
| ret = dhdsdio_download_firmware(bus, osh, bus->sdh); |
| |
| return ret; |
| } |
| |
| static int |
| dhdsdio_download_firmware(struct dhd_bus *bus, osl_t *osh, void *sdh) |
| { |
| int ret; |
| |
| #if defined(SUPPORT_MULTIPLE_REVISION) |
| if (concate_revision(bus, bus->fw_path, bus->nv_path) != 0) { |
| DHD_ERROR(("%s: fail to concatnate revison \n", |
| __FUNCTION__)); |
| return BCME_BADARG; |
| } |
| #endif /* SUPPORT_MULTIPLE_REVISION */ |
| |
| #if defined(DHD_BLOB_EXISTENCE_CHECK) |
| dhd_set_blob_support(bus->dhd, bus->fw_path); |
| #endif /* DHD_BLOB_EXISTENCE_CHECK */ |
| |
| DHD_TRACE_HW4(("%s: firmware path=%s, nvram path=%s\n", |
| __FUNCTION__, bus->fw_path, bus->nv_path)); |
| DHD_OS_WAKE_LOCK(bus->dhd); |
| |
| /* Download the firmware */ |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| ret = _dhdsdio_download_firmware(bus); |
| |
| dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); |
| |
| DHD_OS_WAKE_UNLOCK(bus->dhd); |
| return ret; |
| } |
| |
| /* Detach and free everything */ |
| static void |
| dhdsdio_release(dhd_bus_t *bus, osl_t *osh) |
| { |
| bool dongle_isolation = FALSE; |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| if (bus) { |
| ASSERT(osh); |
| |
| if (bus->dhd) { |
| #if defined(DEBUGGER) || defined(DHD_DSCOPE) |
| debugger_close(); |
| #endif /* DEBUGGER || DHD_DSCOPE */ |
| dongle_isolation = bus->dhd->dongle_isolation; |
| dhd_detach(bus->dhd); |
| } |
| |
| /* De-register interrupt handler */ |
| bcmsdh_intr_disable(bus->sdh); |
| bcmsdh_intr_dereg(bus->sdh); |
| |
| if (bus->dhd) { |
| dhdsdio_release_dongle(bus, osh, dongle_isolation, TRUE); |
| dhd_free(bus->dhd); |
| bus->dhd = NULL; |
| } |
| |
| dhdsdio_release_malloc(bus, osh); |
| |
| #ifdef DHD_DEBUG |
| if (bus->console.buf != NULL) |
| MFREE(osh, bus->console.buf, bus->console.bufsize); |
| #endif |
| |
| #ifdef DHDENABLE_TAILPAD |
| if (bus->pad_pkt) |
| PKTFREE(osh, bus->pad_pkt, FALSE); |
| #endif /* DHDENABLE_TAILPAD */ |
| |
| MFREE(osh, bus, sizeof(dhd_bus_t)); |
| } |
| |
| DHD_TRACE(("%s: Disconnected\n", __FUNCTION__)); |
| } |
| |
| static void |
| dhdsdio_release_malloc(dhd_bus_t *bus, osl_t *osh) |
| { |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| if (bus->dhd && bus->dhd->dongle_reset) |
| return; |
| |
| if (bus->rxbuf) { |
| #ifndef CONFIG_DHD_USE_STATIC_BUF |
| MFREE(osh, bus->rxbuf, bus->rxblen); |
| #endif |
| bus->rxctl = NULL; |
| bus->rxlen = 0; |
| } |
| |
| if (bus->databuf) { |
| #ifndef CONFIG_DHD_USE_STATIC_BUF |
| MFREE(osh, bus->databuf, MAX_DATA_BUF); |
| #endif |
| } |
| |
| if (bus->vars && bus->varsz) { |
| MFREE(osh, bus->vars, bus->varsz); |
| } |
| |
| } |
| |
| static void |
| dhdsdio_release_dongle(dhd_bus_t *bus, osl_t *osh, bool dongle_isolation, bool reset_flag) |
| { |
| DHD_TRACE(("%s: Enter bus->dhd %p bus->dhd->dongle_reset %d \n", __FUNCTION__, |
| bus->dhd, bus->dhd->dongle_reset)); |
| |
| if ((bus->dhd && bus->dhd->dongle_reset) && reset_flag) |
| return; |
| |
| if (bus->sih) { |
| /* In Win10, system will be BSOD if using "sysprep" to do OS image */ |
| /* Skip this will not cause the BSOD. */ |
| #if !defined(BCMLXSDMMC) && !defined(NDIS) |
| /* XXX - Using the watchdog to reset the chip does not allow |
| * further SDIO communication. For the SDMMC Driver, this |
| * causes interrupt to not be de-registered properly. |
| */ |
| /* XXX: dongle isolation mode is on don't reset the chip */ |
| if (bus->dhd) { |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| } |
| if (KSO_ENAB(bus) && (dongle_isolation == FALSE)) |
| si_watchdog(bus->sih, 4); |
| #endif /* !defined(BCMLXSDMMC) */ |
| if (bus->dhd) { |
| dhdsdio_clkctl(bus, CLK_NONE, FALSE); |
| } |
| si_detach(bus->sih); |
| bus->sih = NULL; |
| if (bus->vars && bus->varsz) |
| MFREE(osh, bus->vars, bus->varsz); |
| bus->vars = NULL; |
| } |
| |
| DHD_TRACE(("%s: Disconnected\n", __FUNCTION__)); |
| } |
| |
| static void |
| dhdsdio_disconnect(void *ptr) |
| { |
| dhd_bus_t *bus = (dhd_bus_t *)ptr; |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| #if defined(LINUX) && defined(MULTIPLE_SUPPLICANT) |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) |
| if (mutex_is_locked(&_dhd_sdio_mutex_lock_) == 0) { |
| DHD_ERROR(("%s : no mutex held. set lock\n", __FUNCTION__)); |
| } else { |
| DHD_ERROR(("%s : mutex is locked!. wait for unlocking\n", __FUNCTION__)); |
| } |
| mutex_lock(&_dhd_sdio_mutex_lock_); |
| #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) */ |
| #endif /* defined(LINUX) && defined(MULTIPLE_SUPPLICANT) */ |
| |
| if (bus) { |
| ASSERT(bus->dhd); |
| /* Advertise bus cleanup during rmmod */ |
| dhdsdio_advertise_bus_cleanup(bus->dhd); |
| dhdsdio_release(bus, bus->dhd->osh); |
| } |
| |
| #if defined(LINUX) && defined(MULTIPLE_SUPPLICANT) |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) |
| mutex_unlock(&_dhd_sdio_mutex_lock_); |
| DHD_ERROR(("%s : the lock is released.\n", __FUNCTION__)); |
| #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25)) */ |
| #endif /* LINUX */ |
| |
| DHD_TRACE(("%s: Disconnected\n", __FUNCTION__)); |
| } |
| |
| static int |
| dhdsdio_suspend(void *context) |
| { |
| int ret = 0; |
| #ifdef SUPPORT_P2P_GO_PS |
| int wait_time = 0; |
| #endif /* SUPPORT_P2P_GO_PS */ |
| |
| #if defined(LINUX) |
| dhd_bus_t *bus = (dhd_bus_t*)context; |
| unsigned long flags; |
| |
| DHD_ERROR(("%s Enter\n", __FUNCTION__)); |
| if (bus->dhd == NULL) { |
| DHD_ERROR(("bus not inited\n")); |
| return BCME_ERROR; |
| } |
| if (bus->dhd->prot == NULL) { |
| DHD_ERROR(("prot is not inited\n")); |
| return BCME_ERROR; |
| } |
| |
| if (bus->dhd->up == FALSE) { |
| return BCME_OK; |
| } |
| |
| DHD_LINUX_GENERAL_LOCK(bus->dhd, flags); |
| if (bus->dhd->busstate != DHD_BUS_DATA && bus->dhd->busstate != DHD_BUS_SUSPEND) { |
| DHD_ERROR(("not in a readystate to LPBK is not inited\n")); |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| return BCME_ERROR; |
| } |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| if (bus->dhd->dongle_reset) { |
| DHD_ERROR(("Dongle is in reset state.\n")); |
| return -EIO; |
| } |
| |
| DHD_LINUX_GENERAL_LOCK(bus->dhd, flags); |
| /* stop all interface network queue. */ |
| dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, ON); |
| bus->dhd->busstate = DHD_BUS_SUSPEND; |
| #if defined(LINUX) || defined(linux) |
| if (DHD_BUS_BUSY_CHECK_IN_TX(bus->dhd)) { |
| DHD_ERROR(("Tx Request is not ended\n")); |
| bus->dhd->busstate = DHD_BUS_DATA; |
| /* resume all interface network queue. */ |
| dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, OFF); |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| return -EBUSY; |
| } |
| #endif /* LINUX || linux */ |
| DHD_BUS_BUSY_SET_SUSPEND_IN_PROGRESS(bus->dhd); |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| |
| #ifdef SUPPORT_P2P_GO_PS |
| if (bus->idletime > 0) { |
| wait_time = msecs_to_jiffies(bus->idletime * dhd_watchdog_ms); |
| } |
| #endif /* SUPPORT_P2P_GO_PS */ |
| ret = dhd_os_check_wakelock(bus->dhd); |
| #ifdef SUPPORT_P2P_GO_PS |
| if ((!ret) && (bus->dhd->up) && (bus->dhd->op_mode != DHD_FLAG_HOSTAP_MODE)) { |
| if (wait_event_timeout(bus->bus_sleep, bus->sleeping, wait_time) == 0) { |
| if (!bus->sleeping) { |
| ret = 1; |
| } |
| } |
| } |
| #endif /* SUPPORT_P2P_GO_PS */ |
| |
| DHD_LINUX_GENERAL_LOCK(bus->dhd, flags); |
| if (ret) { |
| bus->dhd->busstate = DHD_BUS_DATA; |
| /* resume all interface network queue. */ |
| dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, OFF); |
| } |
| DHD_BUS_BUSY_CLEAR_SUSPEND_IN_PROGRESS(bus->dhd); |
| dhd_os_busbusy_wake(bus->dhd); |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| |
| #endif /* LINUX */ |
| return ret; |
| } |
| |
| static int |
| dhdsdio_resume(void *context) |
| { |
| dhd_bus_t *bus = (dhd_bus_t*)context; |
| ulong flags; |
| |
| DHD_ERROR(("%s Enter\n", __FUNCTION__)); |
| |
| if (bus->dhd->up == FALSE) { |
| return BCME_OK; |
| } |
| |
| DHD_LINUX_GENERAL_LOCK(bus->dhd, flags); |
| DHD_BUS_BUSY_SET_RESUME_IN_PROGRESS(bus->dhd); |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| |
| if (dhd_os_check_if_up(bus->dhd)) |
| bcmsdh_oob_intr_set(bus->sdh, TRUE); |
| |
| DHD_LINUX_GENERAL_LOCK(bus->dhd, flags); |
| DHD_BUS_BUSY_CLEAR_RESUME_IN_PROGRESS(bus->dhd); |
| bus->dhd->busstate = DHD_BUS_DATA; |
| dhd_os_busbusy_wake(bus->dhd); |
| /* resume all interface network queue. */ |
| dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, OFF); |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| |
| return 0; |
| } |
| |
| /* Register/Unregister functions are called by the main DHD entry |
| * point (e.g. module insertion) to link with the bus driver, in |
| * order to look for or await the device. |
| */ |
| |
| static bcmsdh_driver_t dhd_sdio = { |
| dhdsdio_probe, |
| dhdsdio_disconnect, |
| dhdsdio_suspend, |
| dhdsdio_resume |
| }; |
| |
| int |
| dhd_bus_register(void) |
| { |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| return bcmsdh_register(&dhd_sdio); |
| } |
| |
| void |
| dhd_bus_unregister(void) |
| { |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| bcmsdh_unregister(); |
| } |
| |
| #if defined(BCMLXSDMMC) |
| /* Register a dummy SDIO client driver in order to be notified of new SDIO device */ |
| int dhd_bus_reg_sdio_notify(void* semaphore) |
| { |
| return bcmsdh_reg_sdio_notify(semaphore); |
| } |
| |
| void dhd_bus_unreg_sdio_notify(void) |
| { |
| bcmsdh_unreg_sdio_notify(); |
| } |
| #endif /* defined(BCMLXSDMMC) */ |
| |
| #ifdef BCMEMBEDIMAGE |
| static int |
| dhdsdio_download_code_array(struct dhd_bus *bus) |
| { |
| int bcmerror = -1; |
| int offset = 0; |
| unsigned char *ularray = NULL; |
| |
| DHD_INFO(("%s: download embedded firmware...\n", __FUNCTION__)); |
| |
| /* Download image */ |
| while ((offset + MEMBLOCK) < sizeof(dlarray)) { |
| /* check if CR4 */ |
| if (si_setcore(bus->sih, ARMCR4_CORE_ID, 0)) { |
| /* if address is 0, store the reset instruction to be written in 0 */ |
| |
| if (offset == 0) { |
| bus->resetinstr = *(((uint32*)dlarray)); |
| /* Add start of RAM address to the address given by user */ |
| offset += bus->dongle_ram_base; |
| } |
| } |
| |
| bcmerror = dhdsdio_membytes(bus, TRUE, offset, |
| (uint8 *) (dlarray + offset), MEMBLOCK); |
| if (bcmerror) { |
| DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n", |
| __FUNCTION__, bcmerror, MEMBLOCK, offset)); |
| goto err; |
| } |
| |
| offset += MEMBLOCK; |
| } |
| |
| if (offset < sizeof(dlarray)) { |
| bcmerror = dhdsdio_membytes(bus, TRUE, offset, |
| (uint8 *) (dlarray + offset), sizeof(dlarray) - offset); |
| if (bcmerror) { |
| DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n", |
| __FUNCTION__, bcmerror, sizeof(dlarray) - offset, offset)); |
| goto err; |
| } |
| } |
| |
| #ifdef DHD_DEBUG |
| /* Upload and compare the downloaded code */ |
| { |
| ularray = MALLOC(bus->dhd->osh, bus->ramsize); |
| /* Upload image to verify downloaded contents. */ |
| offset = 0; |
| memset(ularray, 0xaa, bus->ramsize); |
| while ((offset + MEMBLOCK) < sizeof(dlarray)) { |
| bcmerror = dhdsdio_membytes(bus, FALSE, offset, ularray + offset, MEMBLOCK); |
| if (bcmerror) { |
| DHD_ERROR(("%s: error %d on reading %d membytes at 0x%08x\n", |
| __FUNCTION__, bcmerror, MEMBLOCK, offset)); |
| goto err; |
| } |
| |
| offset += MEMBLOCK; |
| } |
| |
| if (offset < sizeof(dlarray)) { |
| bcmerror = dhdsdio_membytes(bus, FALSE, offset, |
| ularray + offset, sizeof(dlarray) - offset); |
| if (bcmerror) { |
| DHD_ERROR(("%s: error %d on reading %d membytes at 0x%08x\n", |
| __FUNCTION__, bcmerror, sizeof(dlarray) - offset, offset)); |
| goto err; |
| } |
| } |
| |
| if (memcmp(dlarray, ularray, sizeof(dlarray))) { |
| DHD_ERROR(("%s: Downloaded image is corrupted (%s, %s, %s).\n", |
| __FUNCTION__, dlimagename, dlimagever, dlimagedate)); |
| goto err; |
| } else |
| DHD_ERROR(("%s: Download, Upload and compare succeeded (%s, %s, %s).\n", |
| __FUNCTION__, dlimagename, dlimagever, dlimagedate)); |
| |
| } |
| #endif /* DHD_DEBUG */ |
| |
| err: |
| if (ularray) |
| MFREE(bus->dhd->osh, ularray, bus->ramsize); |
| return bcmerror; |
| } |
| #endif /* BCMEMBEDIMAGE */ |
| |
| static int |
| dhdsdio_download_code_file(struct dhd_bus *bus, char *pfw_path) |
| { |
| int bcmerror = -1; |
| int offset = 0; |
| int len; |
| void *image = NULL; |
| uint8 *memblock = NULL, *memptr; |
| uint memblock_size = MEMBLOCK; |
| #ifdef DHD_DEBUG_DOWNLOADTIME |
| unsigned long initial_jiffies = 0; |
| uint firmware_sz = 0; |
| #endif |
| |
| DHD_INFO(("%s: download firmware %s\n", __FUNCTION__, pfw_path)); |
| |
| /* XXX: Should succeed in opening image if it is actually given through registry |
| * entry or in module param. |
| */ |
| image = dhd_os_open_image1(bus->dhd, pfw_path); |
| if (image == NULL) { |
| DHD_ERROR(("%s: Failed to open fw file !\n", __FUNCTION__)); |
| goto err; |
| } |
| |
| /* Update the dongle image download block size depending on the F1 block size */ |
| #ifndef NDIS |
| if (sd_f1_blocksize == 512) |
| memblock_size = MAX_MEMBLOCK; |
| #endif /* !NDIS */ |
| |
| memptr = memblock = MALLOC(bus->dhd->osh, memblock_size + DHD_SDALIGN); |
| if (memblock == NULL) { |
| DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", __FUNCTION__, |
| memblock_size)); |
| goto err; |
| } |
| if ((uint32)(uintptr)memblock % DHD_SDALIGN) |
| memptr += (DHD_SDALIGN - ((uint32)(uintptr)memblock % DHD_SDALIGN)); |
| |
| #ifdef DHD_DEBUG_DOWNLOADTIME |
| initial_jiffies = jiffies; |
| #endif |
| |
| /* Download image */ |
| while ((len = dhd_os_get_image_block((char*)memptr, memblock_size, image))) { |
| if (len < 0) { |
| DHD_ERROR(("%s: dhd_os_get_image_block failed (%d)\n", __FUNCTION__, len)); |
| bcmerror = BCME_ERROR; |
| goto err; |
| } |
| /* check if CR4 */ |
| if (si_setcore(bus->sih, ARMCR4_CORE_ID, 0)) { |
| /* if address is 0, store the reset instruction to be written in 0 */ |
| |
| if (offset == 0) { |
| bus->resetinstr = *(((uint32*)memptr)); |
| /* Add start of RAM address to the address given by user */ |
| offset += bus->dongle_ram_base; |
| } |
| } |
| |
| bcmerror = dhdsdio_membytes(bus, TRUE, offset, memptr, len); |
| if (bcmerror) { |
| DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n", |
| __FUNCTION__, bcmerror, memblock_size, offset)); |
| goto err; |
| } |
| |
| offset += memblock_size; |
| #ifdef DHD_DEBUG_DOWNLOADTIME |
| firmware_sz += len; |
| #endif |
| } |
| |
| #ifdef DHD_DEBUG_DOWNLOADTIME |
| DHD_ERROR(("Firmware download time for %u bytes: %u ms\n", |
| firmware_sz, jiffies_to_msecs(jiffies - initial_jiffies))); |
| #endif |
| |
| err: |
| if (memblock) |
| MFREE(bus->dhd->osh, memblock, memblock_size + DHD_SDALIGN); |
| |
| if (image) |
| dhd_os_close_image1(bus->dhd, image); |
| |
| return bcmerror; |
| } |
| |
| #ifdef DHD_UCODE_DOWNLOAD |
| /* Currently supported only for the chips in which ucode RAM is AXI addressable */ |
| static uint32 |
| dhdsdio_ucode_base(struct dhd_bus *bus) |
| { |
| uint32 ucode_base = 0; |
| |
| switch ((uint16)bus->sih->chip) { |
| case BCM43012_CHIP_ID: |
| case BCM43013_CHIP_ID: |
| case BCM43014_CHIP_ID: |
| ucode_base = 0xE8020000; |
| break; |
| default: |
| DHD_ERROR(("%s: Unsupported!\n", __func__)); |
| break; |
| } |
| |
| return ucode_base; |
| } |
| |
| static int |
| dhdsdio_download_ucode_file(struct dhd_bus *bus, char *ucode_path) |
| { |
| int bcmerror = -1; |
| int offset = 0; |
| int len; |
| uint32 ucode_base; |
| void *image = NULL; |
| uint8 *memblock = NULL, *memptr; |
| uint memblock_size = MEMBLOCK; |
| #ifdef DHD_DEBUG_DOWNLOADTIME |
| unsigned long initial_jiffies = 0; |
| uint firmware_sz = 0; |
| #endif |
| |
| DHD_INFO(("%s: download firmware %s\n", __FUNCTION__, ucode_path)); |
| |
| ucode_base = dhdsdio_ucode_base(bus); |
| |
| /* XXX: Should succeed in opening image if it is actually given through registry |
| * entry or in module param. |
| */ |
| image = dhd_os_open_image1(bus->dhd, ucode_path); |
| if (image == NULL) |
| goto err; |
| |
| /* Update the dongle image download block size depending on the F1 block size */ |
| if (sd_f1_blocksize == 512) |
| memblock_size = MAX_MEMBLOCK; |
| |
| memptr = memblock = MALLOC(bus->dhd->osh, memblock_size + DHD_SDALIGN); |
| if (memblock == NULL) { |
| DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", __FUNCTION__, |
| memblock_size)); |
| goto err; |
| } |
| if ((uint32)(uintptr)memblock % DHD_SDALIGN) |
| memptr += (DHD_SDALIGN - ((uint32)(uintptr)memblock % DHD_SDALIGN)); |
| |
| #ifdef DHD_DEBUG_DOWNLOADTIME |
| initial_jiffies = jiffies; |
| #endif |
| |
| /* Download image */ |
| while ((len = dhd_os_get_image_block((char*)memptr, memblock_size, image))) { |
| if (len < 0) { |
| DHD_ERROR(("%s: dhd_os_get_image_block failed (%d)\n", __FUNCTION__, len)); |
| bcmerror = BCME_ERROR; |
| goto err; |
| } |
| |
| bcmerror = dhdsdio_membytes(bus, TRUE, (ucode_base + offset), memptr, len); |
| if (bcmerror) { |
| DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n", |
| __FUNCTION__, bcmerror, memblock_size, offset)); |
| goto err; |
| } |
| |
| offset += memblock_size; |
| #ifdef DHD_DEBUG_DOWNLOADTIME |
| firmware_sz += len; |
| #endif |
| } |
| |
| #ifdef DHD_DEBUG_DOWNLOADTIME |
| DHD_ERROR(("ucode download time for %u bytes: %u ms\n", |
| firmware_sz, jiffies_to_msecs(jiffies - initial_jiffies))); |
| #endif |
| |
| err: |
| if (memblock) |
| MFREE(bus->dhd->osh, memblock, memblock_size + DHD_SDALIGN); |
| |
| if (image) |
| dhd_os_close_image1(bus->dhd, image); |
| |
| return bcmerror; |
| } /* dhdsdio_download_ucode_file */ |
| |
| void |
| dhd_bus_ucode_download(struct dhd_bus *bus) |
| { |
| uint32 shaddr = 0, shdata = 0; |
| |
| shaddr = bus->dongle_ram_base + bus->ramsize - 4; |
| dhdsdio_membytes(bus, FALSE, shaddr, (uint8 *)&shdata, 4); |
| |
| DHD_TRACE(("%s: shdata:[0x%08x :0x%08x]\n", __func__, shaddr, shdata)); |
| |
| if (shdata == UCODE_DOWNLOAD_REQUEST) |
| { |
| DHD_ERROR(("%s: Received ucode download request!\n", __func__)); |
| |
| /* Download the ucode */ |
| if (!dhd_get_ucode_path(bus->dhd)) { |
| DHD_ERROR(("%s: bus->uc_path not set!\n", __func__)); |
| return; |
| } |
| dhdsdio_download_ucode_file(bus, dhd_get_ucode_path(bus->dhd)); |
| |
| DHD_ERROR(("%s: Ucode downloaded successfully!\n", __func__)); |
| |
| shdata = UCODE_DOWNLOAD_COMPLETE; |
| dhdsdio_membytes(bus, TRUE, shaddr, (uint8 *)&shdata, 4); |
| } |
| } |
| |
| #endif /* DHD_UCODE_DOWNLOAD */ |
| |
| static int |
| dhdsdio_download_nvram(struct dhd_bus *bus) |
| { |
| int bcmerror = -1; |
| uint len; |
| void * image = NULL; |
| char * memblock = NULL; |
| char *bufp; |
| char *pnv_path; |
| bool nvram_file_exists; |
| |
| pnv_path = bus->nv_path; |
| |
| nvram_file_exists = ((pnv_path != NULL) && (pnv_path[0] != '\0')); |
| |
| /* For Get nvram from UEFI */ |
| if (nvram_file_exists) |
| image = dhd_os_open_image1(bus->dhd, pnv_path); |
| |
| memblock = MALLOC(bus->dhd->osh, MAX_NVRAMBUF_SIZE); |
| if (memblock == NULL) { |
| DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", |
| __FUNCTION__, MAX_NVRAMBUF_SIZE)); |
| goto err; |
| } |
| |
| /* For Get nvram from image or UEFI (when image == NULL ) */ |
| len = dhd_os_get_image_block(memblock, MAX_NVRAMBUF_SIZE, image); |
| |
| if (len > 0 && len < MAX_NVRAMBUF_SIZE) { |
| bufp = (char *)memblock; |
| bufp[len] = 0; |
| len = process_nvram_vars(bufp, len); |
| if (len % 4) { |
| len += 4 - (len % 4); |
| } |
| bufp += len; |
| *bufp++ = 0; |
| if (len) |
| bcmerror = dhdsdio_downloadvars(bus, memblock, len + 1); |
| if (bcmerror) { |
| DHD_ERROR(("%s: error downloading vars: %d\n", |
| __FUNCTION__, bcmerror)); |
| } |
| } else { |
| DHD_ERROR(("%s: error reading nvram file: %d\n", |
| __FUNCTION__, len)); |
| bcmerror = BCME_SDIO_ERROR; |
| } |
| |
| err: |
| if (memblock) |
| MFREE(bus->dhd->osh, memblock, MAX_NVRAMBUF_SIZE); |
| |
| if (image) |
| dhd_os_close_image1(bus->dhd, image); |
| |
| return bcmerror; |
| } |
| |
| static int |
| _dhdsdio_download_firmware(struct dhd_bus *bus) |
| { |
| int bcmerror = -1; |
| |
| bool embed = FALSE; /* download embedded firmware */ |
| bool dlok = FALSE; /* download firmware succeeded */ |
| |
| /* Out immediately if no image to download */ |
| if ((bus->fw_path == NULL) || (bus->fw_path[0] == '\0')) { |
| #ifdef BCMEMBEDIMAGE |
| embed = TRUE; |
| #else |
| return bcmerror; |
| #endif |
| } |
| |
| /* Keep arm in reset */ |
| if (dhdsdio_download_state(bus, TRUE)) { |
| DHD_ERROR(("%s: error placing ARM core in reset\n", __FUNCTION__)); |
| goto err; |
| } |
| |
| /* External image takes precedence if specified */ |
| if ((bus->fw_path != NULL) && (bus->fw_path[0] != '\0')) { |
| if (dhdsdio_download_code_file(bus, bus->fw_path)) { |
| DHD_ERROR(("%s: dongle image file download failed\n", __FUNCTION__)); |
| #ifdef BCMEMBEDIMAGE |
| embed = TRUE; |
| #else |
| goto err; |
| #endif |
| } else { |
| embed = FALSE; |
| dlok = TRUE; |
| } |
| } |
| |
| #ifdef BCMEMBEDIMAGE |
| if (embed) { |
| if (dhdsdio_download_code_array(bus)) { |
| DHD_ERROR(("%s: dongle image array download failed\n", __FUNCTION__)); |
| goto err; |
| } else { |
| dlok = TRUE; |
| } |
| } |
| #else |
| BCM_REFERENCE(embed); |
| #endif |
| if (!dlok) { |
| DHD_ERROR(("%s: dongle image download failed\n", __FUNCTION__)); |
| goto err; |
| } |
| |
| /* External nvram takes precedence if specified */ |
| if (dhdsdio_download_nvram(bus)) { |
| DHD_ERROR(("%s: dongle nvram file download failed\n", __FUNCTION__)); |
| goto err; |
| } |
| |
| /* Take arm out of reset */ |
| if (dhdsdio_download_state(bus, FALSE)) { |
| DHD_ERROR(("%s: error getting out of ARM core reset\n", __FUNCTION__)); |
| goto err; |
| } |
| |
| bcmerror = 0; |
| |
| err: |
| return bcmerror; |
| } |
| |
| static int |
| dhd_bcmsdh_recv_buf(dhd_bus_t *bus, uint32 addr, uint fn, uint flags, uint8 *buf, uint nbytes, |
| void *pkt, bcmsdh_cmplt_fn_t complete_fn, void *handle) |
| { |
| int status; |
| |
| if (!KSO_ENAB(bus)) { |
| DHD_ERROR(("%s: Device asleep\n", __FUNCTION__)); |
| return BCME_NODEVICE; |
| } |
| |
| status = bcmsdh_recv_buf(bus->sdh, addr, fn, flags, buf, nbytes, pkt, complete_fn, handle); |
| |
| return status; |
| } |
| |
| static int |
| dhd_bcmsdh_send_buf(dhd_bus_t *bus, uint32 addr, uint fn, uint flags, uint8 *buf, uint nbytes, |
| void *pkt, bcmsdh_cmplt_fn_t complete_fn, void *handle, int max_retry) |
| { |
| int ret; |
| int i = 0; |
| int retries = 0; |
| bcmsdh_info_t *sdh; |
| |
| if (!KSO_ENAB(bus)) { |
| DHD_ERROR(("%s: Device asleep\n", __FUNCTION__)); |
| return BCME_NODEVICE; |
| } |
| |
| sdh = bus->sdh; |
| do { |
| ret = bcmsdh_send_buf(bus->sdh, addr, fn, flags, buf, nbytes, |
| pkt, complete_fn, handle); |
| |
| bus->f2txdata++; |
| ASSERT(ret != BCME_PENDING); |
| |
| if (ret == BCME_NODEVICE) { |
| DHD_ERROR(("%s: Device asleep already\n", __FUNCTION__)); |
| } else if (ret < 0) { |
| /* On failure, abort the command and terminate the frame */ |
| DHD_ERROR(("%s: sdio error %d, abort command and terminate frame.\n", |
| __FUNCTION__, ret)); |
| bus->tx_sderrs++; |
| bus->f1regdata++; |
| bus->dhd->tx_errors++; |
| bcmsdh_abort(sdh, SDIO_FUNC_2); |
| bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_FRAMECTRL, |
| SFC_WF_TERM, NULL); |
| for (i = 0; i < READ_FRM_CNT_RETRIES; i++) { |
| uint8 hi, lo; |
| hi = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WFRAMEBCHI, |
| NULL); |
| lo = bcmsdh_cfg_read(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_WFRAMEBCLO, |
| NULL); |
| bus->f1regdata += 2; |
| if ((hi == 0) && (lo == 0)) |
| break; |
| } |
| } |
| } while ((ret < 0) && retrydata && ++retries < max_retry); |
| |
| return ret; |
| } |
| |
| uint8 |
| dhd_bus_is_ioready(struct dhd_bus *bus) |
| { |
| uint8 enable; |
| bcmsdh_info_t *sdh; |
| ASSERT(bus); |
| ASSERT(bus->sih != NULL); |
| enable = (SDIO_FUNC_ENABLE_1 | SDIO_FUNC_ENABLE_2); |
| sdh = bus->sdh; |
| return (enable == bcmsdh_cfg_read(sdh, SDIO_FUNC_0, SDIOD_CCCR_IORDY, NULL)); |
| } |
| |
| uint |
| dhd_bus_chip(struct dhd_bus *bus) |
| { |
| ASSERT(bus->sih != NULL); |
| return bus->sih->chip; |
| } |
| |
| uint |
| dhd_bus_chiprev(struct dhd_bus *bus) |
| { |
| ASSERT(bus); |
| ASSERT(bus->sih != NULL); |
| return bus->sih->chiprev; |
| } |
| |
| void * |
| dhd_bus_pub(struct dhd_bus *bus) |
| { |
| return bus->dhd; |
| } |
| |
| void * |
| dhd_bus_sih(struct dhd_bus *bus) |
| { |
| return (void *)bus->sih; |
| } |
| |
| void * |
| dhd_bus_txq(struct dhd_bus *bus) |
| { |
| return &bus->txq; |
| } |
| |
| uint |
| dhd_bus_hdrlen(struct dhd_bus *bus) |
| { |
| return (bus->txglom_enable) ? SDPCM_HDRLEN_TXGLOM : SDPCM_HDRLEN; |
| } |
| |
| void |
| dhd_bus_set_dotxinrx(struct dhd_bus *bus, bool val) |
| { |
| bus->dotxinrx = val; |
| } |
| |
| /* |
| * dhdsdio_advertise_bus_cleanup advertises that clean up is under progress |
| * to other bus user contexts like Tx, Rx, IOVAR, WD etc and it waits for other contexts |
| * to gracefully exit. All the bus usage contexts before marking busstate as busy, will check for |
| * whether the busstate is DHD_BUS_DOWN or DHD_BUS_DOWN_IN_PROGRESS, if so |
| * they will exit from there itself without marking dhd_bus_busy_state as BUSY. |
| */ |
| static void |
| dhdsdio_advertise_bus_cleanup(dhd_pub_t *dhdp) |
| { |
| unsigned long flags; |
| int timeleft; |
| |
| DHD_LINUX_GENERAL_LOCK(dhdp, flags); |
| dhdp->busstate = DHD_BUS_DOWN_IN_PROGRESS; |
| DHD_LINUX_GENERAL_UNLOCK(dhdp, flags); |
| |
| timeleft = dhd_os_busbusy_wait_negation(dhdp, &dhdp->dhd_bus_busy_state); |
| #ifdef LINUX |
| if ((timeleft == 0) || (timeleft == 1)) { |
| #else |
| if (timeleft == 0) { |
| #endif |
| /* XXX This condition ideally should not occur, this means some |
| * bus usage context is not clearing the respective usage bit, print |
| * dhd_bus_busy_state and crash the host for further debugging. |
| */ |
| DHD_ERROR(("%s : Timeout due to dhd_bus_busy_state=0x%x\n", |
| __FUNCTION__, dhdp->dhd_bus_busy_state)); |
| ASSERT(0); |
| } |
| |
| return; |
| } |
| |
| int |
| dhd_bus_devreset(dhd_pub_t *dhdp, uint8 flag) |
| { |
| int bcmerror = 0; |
| dhd_bus_t *bus; |
| unsigned long flags; |
| |
| bus = dhdp->bus; |
| |
| if (flag == TRUE) { |
| if (!bus->dhd->dongle_reset) { |
| DHD_ERROR(("%s: == Power OFF ==\n", __FUNCTION__)); |
| dhdsdio_advertise_bus_cleanup(bus->dhd); |
| dhd_os_sdlock(dhdp); |
| dhd_os_wd_timer(dhdp, 0); |
| #if !defined(IGNORE_ETH0_DOWN) |
| /* Force flow control as protection when stop come before ifconfig_down */ |
| dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, ON); |
| #endif /* !defined(IGNORE_ETH0_DOWN) */ |
| /* Expect app to have torn down any connection before calling */ |
| /* Stop the bus, disable F2 */ |
| dhd_bus_stop(bus, FALSE); |
| |
| /* Clean up any pending IRQ */ |
| dhd_enable_oob_intr(bus, FALSE); |
| bcmsdh_oob_intr_set(bus->sdh, FALSE); |
| bcmsdh_oob_intr_unregister(bus->sdh); |
| |
| /* Clean tx/rx buffer pointers, detach from the dongle */ |
| dhdsdio_release_dongle(bus, bus->dhd->osh, TRUE, TRUE); |
| |
| bus->dhd->dongle_reset = TRUE; |
| DHD_ERROR(("%s: making dhdpub up FALSE\n", __FUNCTION__)); |
| bus->dhd->up = FALSE; |
| dhd_txglom_enable(dhdp, FALSE); |
| dhd_os_sdunlock(dhdp); |
| |
| DHD_LINUX_GENERAL_LOCK(bus->dhd, flags); |
| DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__)); |
| bus->dhd->busstate = DHD_BUS_DOWN; |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| |
| DHD_TRACE(("%s: WLAN OFF DONE\n", __FUNCTION__)); |
| /* App can now remove power from device */ |
| } else |
| bcmerror = BCME_SDIO_ERROR; |
| } else { |
| /* App must have restored power to device before calling */ |
| |
| DHD_ERROR(("\n\n%s: == Power ON ==\n", __FUNCTION__)); |
| |
| if (bus->dhd->dongle_reset) { |
| /* Turn on WLAN */ |
| dhd_os_sdlock(dhdp); |
| /* Reset SD client */ |
| bcmsdh_reset(bus->sdh); |
| |
| /* Attempt to re-attach & download */ |
| if (dhdsdio_probe_attach(bus, bus->dhd->osh, bus->sdh, |
| (uint32 *)(uintptr)si_enum_base(bus->cl_devid), |
| bus->cl_devid)) { |
| |
| DHD_LINUX_GENERAL_LOCK(bus->dhd, flags); |
| DHD_ERROR(("%s: making DHD_BUS_DOWN\n", __FUNCTION__)); |
| bus->dhd->busstate = DHD_BUS_DOWN; |
| DHD_LINUX_GENERAL_UNLOCK(bus->dhd, flags); |
| /* Attempt to download binary to the dongle */ |
| if (dhdsdio_probe_init(bus, bus->dhd->osh, bus->sdh) && |
| dhdsdio_download_firmware(bus, bus->dhd->osh, bus->sdh) >= 0) { |
| |
| /* Re-init bus, enable F2 transfer */ |
| bcmerror = dhd_bus_init((dhd_pub_t *) bus->dhd, FALSE); |
| if (bcmerror == BCME_OK) { |
| dhd_enable_oob_intr(bus, TRUE); |
| bcmsdh_oob_intr_register(bus->sdh, |
| dhdsdio_isr, bus); |
| bcmsdh_oob_intr_set(bus->sdh, TRUE); |
| |
| bus->dhd->dongle_reset = FALSE; |
| bus->dhd->up = TRUE; |
| |
| #if !defined(IGNORE_ETH0_DOWN) |
| /* Restore flow control */ |
| dhd_txflowcontrol(bus->dhd, ALL_INTERFACES, OFF); |
| #endif |
| dhd_os_wd_timer(dhdp, dhd_watchdog_ms); |
| |
| DHD_TRACE(("%s: WLAN ON DONE\n", __FUNCTION__)); |
| } else { |
| dhd_bus_stop(bus, FALSE); |
| dhdsdio_release_dongle(bus, bus->dhd->osh, |
| TRUE, FALSE); |
| } |
| } else { |
| DHD_ERROR(("%s Failed to download binary to the dongle\n", |
| __FUNCTION__)); |
| if (bus->sih != NULL) { |
| si_detach(bus->sih); |
| bus->sih = NULL; |
| } |
| bcmerror = BCME_SDIO_ERROR; |
| } |
| } else |
| bcmerror = BCME_SDIO_ERROR; |
| |
| dhd_os_sdunlock(dhdp); |
| } else { |
| DHD_INFO(("%s called when dongle is not in reset\n", |
| __FUNCTION__)); |
| DHD_INFO(("Will call dhd_bus_start instead\n")); |
| dhd_bus_resume(dhdp, 1); |
| if ((bcmerror = dhd_bus_start(dhdp)) != 0) |
| DHD_ERROR(("%s: dhd_bus_start fail with %d\n", |
| __FUNCTION__, bcmerror)); |
| } |
| } |
| return bcmerror; |
| } |
| |
| #if defined(LINUX) |
| int dhd_bus_suspend(dhd_pub_t *dhdpub) |
| { |
| return bcmsdh_stop(dhdpub->bus->sdh); |
| } |
| |
| int dhd_bus_resume(dhd_pub_t *dhdpub, int stage) |
| { |
| return bcmsdh_start(dhdpub->bus->sdh, stage); |
| } |
| #endif /* defined(LINUX) */ |
| |
| /* Get Chip ID version */ |
| uint dhd_bus_chip_id(dhd_pub_t *dhdp) |
| { |
| dhd_bus_t *bus = dhdp->bus; |
| |
| return bus->sih->chip; |
| } |
| |
| /* Get Chip Rev ID version */ |
| uint dhd_bus_chiprev_id(dhd_pub_t *dhdp) |
| { |
| dhd_bus_t *bus = dhdp->bus; |
| |
| return bus->sih->chiprev; |
| } |
| |
| /* Get Chip Pkg ID version */ |
| uint dhd_bus_chippkg_id(dhd_pub_t *dhdp) |
| { |
| dhd_bus_t *bus = dhdp->bus; |
| |
| return bus->sih->chippkg; |
| } |
| |
| int dhd_bus_get_ids(struct dhd_bus *bus, uint32 *bus_type, uint32 *bus_num, uint32 *slot_num) |
| { |
| *bus_type = bus->bus; |
| *bus_num = bus->bus_num; |
| *slot_num = bus->slot_num; |
| return 0; |
| } |
| |
| int |
| dhd_bus_membytes(dhd_pub_t *dhdp, bool set, uint32 address, uint8 *data, uint size) |
| { |
| dhd_bus_t *bus; |
| |
| bus = dhdp->bus; |
| return dhdsdio_membytes(bus, set, address, data, size); |
| } |
| |
| #if defined(SUPPORT_MULTIPLE_REVISION) |
| static int |
| concate_revision_bcm4335(dhd_bus_t *bus, char *fw_path, char *nv_path) |
| { |
| |
| uint chipver; |
| #if defined(SUPPORT_MULTIPLE_CHIPS) |
| char chipver_tag[10] = "_4335"; |
| #else |
| char chipver_tag[4] = {0, }; |
| #endif /* defined(SUPPORT_MULTIPLE_CHIPS) */ |
| |
| DHD_TRACE(("%s: BCM4335 Multiple Revision Check\n", __FUNCTION__)); |
| if (bus->sih->chip != BCM4335_CHIP_ID) { |
| DHD_ERROR(("%s:Chip is not BCM4335\n", __FUNCTION__)); |
| return -1; |
| } |
| chipver = bus->sih->chiprev; |
| DHD_ERROR(("CHIP VER = [0x%x]\n", chipver)); |
| if (chipver == 0x0) { |
| DHD_ERROR(("----- CHIP bcm4335_A0 -----\n")); |
| strcat(chipver_tag, "_a0"); |
| } else if (chipver == 0x1) { |
| DHD_ERROR(("----- CHIP bcm4335_B0 -----\n")); |
| #if defined(SUPPORT_MULTIPLE_CHIPS) |
| strcat(chipver_tag, "_b0"); |
| #endif /* defined(SUPPORT_MULTIPLE_CHIPS) */ |
| } |
| |
| strcat(fw_path, chipver_tag); |
| strcat(nv_path, chipver_tag); |
| return 0; |
| } |
| |
| static int |
| concate_revision_bcm4339(dhd_bus_t *bus, char *fw_path, char *nv_path) |
| { |
| |
| uint chipver; |
| #if defined(SUPPORT_MULTIPLE_CHIPS) |
| char chipver_tag[10] = "_4339"; |
| #else |
| char chipver_tag[4] = {0, }; |
| #endif /* defined(SUPPORT_MULTIPLE_CHIPS) */ |
| |
| DHD_TRACE(("%s: BCM4339 Multiple Revision Check\n", __FUNCTION__)); |
| if (bus->sih->chip != BCM4339_CHIP_ID) { |
| DHD_ERROR(("%s:Chip is not BCM4339\n", __FUNCTION__)); |
| return -1; |
| } |
| chipver = bus->sih->chiprev; |
| DHD_ERROR(("CHIP VER = [0x%x]\n", chipver)); |
| if (chipver == 0x1) { |
| DHD_ERROR(("----- CHIP bcm4339_A0 -----\n")); |
| strcat(chipver_tag, "_a0"); |
| } else { |
| DHD_ERROR(("----- CHIP bcm4339 unknown revision %d -----\n", |
| chipver)); |
| } |
| |
| strcat(fw_path, chipver_tag); |
| strcat(nv_path, chipver_tag); |
| return 0; |
| } |
| |
| static int concate_revision_bcm4350(dhd_bus_t *bus, char *fw_path, char *nv_path) |
| { |
| uint32 chip_ver; |
| #if defined(SUPPORT_MULTIPLE_CHIPS) |
| char chipver_tag[10] = {0, }; |
| #else |
| char chipver_tag[4] = {0, }; |
| #endif /* defined(SUPPORT_MULTIPLE_CHIPS) */ |
| chip_ver = bus->sih->chiprev; |
| |
| #if defined(SUPPORT_MULTIPLE_CHIPS) |
| if (chip_ver == 3) |
| strcat(chipver_tag, "_4354"); |
| else |
| strcat(chipver_tag, "_4350"); |
| #endif |
| |
| if (chip_ver == 3) { |
| DHD_ERROR(("----- CHIP 4354 A0 -----\n")); |
| strcat(chipver_tag, "_a0"); |
| } else { |
| DHD_ERROR(("----- Unknown chip version, ver=%x -----\n", chip_ver)); |
| } |
| |
| strcat(fw_path, chipver_tag); |
| strcat(nv_path, chipver_tag); |
| return 0; |
| } |
| |
| static int concate_revision_bcm4354(dhd_bus_t *bus, char *fw_path, char *nv_path) |
| { |
| uint32 chip_ver; |
| #if defined(SUPPORT_MULTIPLE_CHIPS) |
| char chipver_tag[10] = "_4354"; |
| #else |
| char chipver_tag[4] = {0, }; |
| #endif /* SUPPORT_MULTIPLE_CHIPS */ |
| |
| chip_ver = bus->sih->chiprev; |
| if (chip_ver == 1) { |
| DHD_ERROR(("----- CHIP 4354 A1 -----\n")); |
| strcat(chipver_tag, "_a1"); |
| } else { |
| DHD_ERROR(("----- Unknown chip version, ver=%x -----\n", chip_ver)); |
| } |
| |
| strcat(fw_path, chipver_tag); |
| strcat(nv_path, chipver_tag); |
| |
| return 0; |
| } |
| |
| static int |
| concate_revision_bcm43454(dhd_bus_t *bus, char *fw_path, char *nv_path) |
| { |
| char chipver_tag[10] = {0, }; |
| #ifdef SUPPORT_MULTIPLE_BOARD_REV_FROM_DT |
| int base_system_rev_for_nv = 0; |
| #endif /* SUPPORT_MULTIPLE_BOARD_REV_FROM_DT */ |
| |
| DHD_TRACE(("%s: BCM43454 Multiple Revision Check\n", __FUNCTION__)); |
| if (bus->sih->chip != BCM43454_CHIP_ID) { |
| DHD_ERROR(("%s:Chip is not BCM43454!\n", __FUNCTION__)); |
| return -1; |
| } |
| #ifdef SUPPORT_MULTIPLE_BOARD_REV_FROM_DT |
| base_system_rev_for_nv = dhd_get_system_rev(); |
| if (base_system_rev_for_nv > 0) { |
| DHD_ERROR(("----- Board Rev [%d] -----\n", base_system_rev_for_nv)); |
| sprintf(chipver_tag, "_r%02d", base_system_rev_for_nv); |
| } |
| #endif /* SUPPORT_MULTIPLE_BOARD_REV_FROM_DT */ |
| #ifdef SUPPORT_MULTIPLE_BOARD_REV_FROM_HW |
| DHD_ERROR(("----- Rev [%d] Fot MULTIPLE Board. -----\n", system_hw_rev)); |
| if ((system_hw_rev >= 8) && (system_hw_rev <= 11)) { |
| DHD_ERROR(("This HW is Rev 08 ~ 11. this is For FD-HW\n")); |
| strcat(chipver_tag, "_FD"); |
| } |
| #endif /* SUPPORT_MULTIPLE_BOARD_REV_FROM_HW */ |
| |
| strcat(nv_path, chipver_tag); |
| return 0; |
| } |
| |
| int |
| concate_revision(dhd_bus_t *bus, char *fw_path, char *nv_path) |
| { |
| int res = 0; |
| |
| if (!bus || !bus->sih) { |
| DHD_ERROR(("%s:Bus is Invalid\n", __FUNCTION__)); |
| return -1; |
| } |
| |
| switch (bus->sih->chip) { |
| case BCM4335_CHIP_ID: |
| res = concate_revision_bcm4335(bus, fw_path, nv_path); |
| |
| break; |
| case BCM4339_CHIP_ID: |
| res = concate_revision_bcm4339(bus, fw_path, nv_path); |
| break; |
| case BCM4350_CHIP_ID: |
| res = concate_revision_bcm4350(bus, fw_path, nv_path); |
| break; |
| case BCM4354_CHIP_ID: |
| res = concate_revision_bcm4354(bus, fw_path, nv_path); |
| break; |
| case BCM43454_CHIP_ID: |
| res = concate_revision_bcm43454(bus, fw_path, nv_path); |
| break; |
| |
| /* XXX: Add New Multiple CHIP ID */ |
| default: |
| DHD_ERROR(("REVISION SPECIFIC feature is not required\n")); |
| /* XXX: if revision specific feature is not required then return true always */ |
| return res; |
| } |
| |
| if (res == 0) { |
| #ifdef BCMDBG |
| printf("dhd concatenated fw & nv:\n fw_path:%s\n" |
| " nv_path:%s\n", fw_path, nv_path); |
| printf("make sure they exist\n"); |
| #endif |
| } |
| return res; |
| } |
| #endif /* SUPPORT_MULTIPLE_REVISION */ |
| |
| #if defined(NDIS) |
| void |
| dhd_bus_reject_ioreqs(dhd_pub_t *dhdp, bool reject) |
| { |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| bcmsdh_reject_ioreqs(dhdp->bus->sdh, reject); |
| } |
| |
| void |
| dhd_bus_waitfor_iodrain(dhd_pub_t *dhdp) |
| { |
| |
| DHD_TRACE(("%s: Enter\n", __FUNCTION__)); |
| |
| bcmsdh_waitfor_iodrain(dhdp->bus->sdh); |
| } |
| #endif /* (NDIS) */ |
| |
| void |
| dhd_bus_update_fw_nv_path(struct dhd_bus *bus, char *pfw_path, char *pnv_path) |
| { |
| bus->fw_path = pfw_path; |
| bus->nv_path = pnv_path; |
| } |
| |
| int |
| dhd_enableOOB(dhd_pub_t *dhd, bool sleep) |
| { |
| dhd_bus_t *bus = dhd->bus; |
| sdpcmd_regs_t *regs = bus->regs; |
| uint retries = 0; |
| |
| if (sleep) { |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| /* Tell device to start using OOB wakeup */ |
| W_SDREG(SMB_USE_OOB, ®s->tosbmailbox, retries); |
| if (retries > retry_limit) { |
| DHD_ERROR(("CANNOT SIGNAL CHIP, WILL NOT WAKE UP!!\n")); |
| return BCME_BUSY; |
| } |
| /* Turn off our contribution to the HT clock request */ |
| dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); |
| } else { |
| /* Make sure the controller has the bus up */ |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| /* Send misc interrupt to indicate OOB not needed */ |
| W_SDREG(0, ®s->tosbmailboxdata, retries); |
| if (retries <= retry_limit) |
| W_SDREG(SMB_DEV_INT, ®s->tosbmailbox, retries); |
| |
| if (retries > retry_limit) |
| DHD_ERROR(("CANNOT SIGNAL CHIP TO CLEAR OOB!!\n")); |
| |
| /* Make sure we have SD bus access */ |
| dhdsdio_clkctl(bus, CLK_SDONLY, FALSE); |
| } |
| return BCME_OK; |
| } |
| |
| void |
| dhd_bus_pktq_flush(dhd_pub_t *dhdp) |
| { |
| dhd_bus_t *bus = dhdp->bus; |
| bool wlfc_enabled = FALSE; |
| |
| #ifdef PROP_TXSTATUS |
| wlfc_enabled = (dhd_wlfc_cleanup_txq(dhdp, NULL, 0) != WLFC_UNSUPPORTED); |
| #endif |
| if (!wlfc_enabled) { |
| #ifdef DHDTCPACK_SUPPRESS |
| /* Clean tcp_ack_info_tbl in order to prevent access to flushed pkt, |
| * when there is a newly coming packet from network stack. |
| */ |
| dhd_tcpack_info_tbl_clean(bus->dhd); |
| #endif /* DHDTCPACK_SUPPRESS */ |
| /* Clear the data packet queues */ |
| pktq_flush(dhdp->osh, &bus->txq, TRUE); |
| } |
| } |
| |
| #ifdef BCMSDIO |
| int |
| dhd_sr_config(dhd_pub_t *dhd, bool on) |
| { |
| dhd_bus_t *bus = dhd->bus; |
| |
| if (!bus->_srenab) |
| return -1; |
| |
| return dhdsdio_clk_devsleep_iovar(bus, on); |
| } |
| |
| uint16 |
| dhd_get_chipid(struct dhd_bus *bus) |
| { |
| if (bus && bus->sih) |
| return (uint16)bus->sih->chip; |
| else |
| return 0; |
| } |
| #endif /* BCMSDIO */ |
| |
| #ifdef DEBUGGER |
| static uint32 |
| dhd_sdio_reg_read(struct dhd_bus *bus, ulong addr) |
| { |
| uint32 rval; |
| |
| dhd_os_sdlock(bus->dhd); |
| |
| BUS_WAKE(bus); |
| |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| rval = bcmsdh_reg_read(bus->sdh, addr, 4); |
| |
| dhd_os_sdunlock(bus->dhd); |
| |
| return rval; |
| } |
| |
| static void |
| dhd_sdio_reg_write(struct dhd_bus *bus, ulong addr, uint32 val) |
| { |
| dhd_os_sdlock(bus->dhd); |
| |
| BUS_WAKE(bus); |
| |
| dhdsdio_clkctl(bus, CLK_AVAIL, FALSE); |
| |
| bcmsdh_reg_write(bus->sdh, addr, 4, val); |
| |
| dhd_os_sdunlock(bus->dhd); |
| } |
| |
| #endif /* DEBUGGER */ |
| |
| #if defined(SOFTAP_TPUT_ENHANCE) |
| void dhd_bus_setidletime(dhd_pub_t *dhdp, int idle_time) |
| { |
| if (!dhdp || !dhdp->bus) { |
| DHD_ERROR(("%s:Bus is Invalid\n", __FUNCTION__)); |
| return; |
| } |
| dhdp->bus->idletime = idle_time; |
| } |
| |
| void dhd_bus_getidletime(dhd_pub_t *dhdp, int* idle_time) |
| { |
| if (!dhdp || !dhdp->bus) { |
| DHD_ERROR(("%s:Bus is Invalid\n", __FUNCTION__)); |
| return; |
| } |
| |
| if (!idle_time) { |
| DHD_ERROR(("%s:Arg idle_time is NULL\n", __FUNCTION__)); |
| return; |
| } |
| *idle_time = dhdp->bus->idletime; |
| } |
| #endif /* SOFTAP_TPUT_ENHANCE */ |
| |
| #if defined(BT_OVER_SDIO) |
| uint8 dhd_bus_cfg_read(void *h, uint fun_num, uint32 addr, int *err) |
| { |
| uint8 intrd; |
| dhd_pub_t *dhdp = (dhd_pub_t *)h; |
| dhd_bus_t *bus = (dhd_bus_t *)dhdp->bus; |
| |
| dhd_os_sdlock(bus->dhd); |
| |
| intrd = bcmsdh_cfg_read(bus->sdh, fun_num, addr, err); |
| |
| dhd_os_sdunlock(bus->dhd); |
| |
| return intrd; |
| } EXPORT_SYMBOL(dhd_bus_cfg_read); |
| |
| void dhd_bus_cfg_write(void *h, uint fun_num, uint32 addr, uint8 val, int *err) |
| { |
| dhd_pub_t *dhdp = (dhd_pub_t *)h; |
| dhd_bus_t *bus = (dhd_bus_t *)dhdp->bus; |
| |
| dhd_os_sdlock(bus->dhd); |
| |
| bcmsdh_cfg_write(bus->sdh, fun_num, addr, val, err); |
| |
| dhd_os_sdunlock(bus->dhd); |
| |
| } EXPORT_SYMBOL(dhd_bus_cfg_write); |
| |
| static int |
| extract_hex_field(char * line, uint16 start_pos, uint16 num_chars, uint16 * value) |
| { |
| char field [8]; |
| |
| strlcpy(field, line + start_pos, sizeof(field)); |
| |
| return (sscanf (field, "%hX", value) == 1); |
| } |
| |
| static int |
| read_more_btbytes(struct dhd_bus *bus, void * file, char *line, int * addr_mode, uint16 * hi_addr, |
| uint32 * dest_addr, uint8 *data_bytes, uint32 * num_bytes) |
| { |
| int str_len; |
| uint16 num_data_bytes, addr, data_pos, type, w, i; |
| uint32 abs_base_addr32 = 0; |
| *num_bytes = 0; |
| |
| while (!*num_bytes) |
| { |
| str_len = dhd_os_gets_image(bus->dhd, line, BTFW_MAX_STR_LEN, file); |
| |
| DHD_TRACE(("%s: Len :0x%x %s\n", __FUNCTION__, str_len, line)); |
| |
| if (str_len == 0) { |
| break; |
| } else if (str_len > 9) { |
| extract_hex_field(line, 1, 2, &num_data_bytes); |
| extract_hex_field(line, 3, 4, &addr); |
| extract_hex_field(line, 7, 2, &type); |
| |
| data_pos = 9; |
| for (i = 0; i < num_data_bytes; i++) { |
| extract_hex_field(line, data_pos, 2, &w); |
| data_bytes [i] = (uint8)(w & 0x00FF); |
| data_pos += 2; |
| } |
| |
| if (type == BTFW_HEX_LINE_TYPE_EXTENDED_ADDRESS) { |
| *hi_addr = (data_bytes [0] << 8) | data_bytes [1]; |
| *addr_mode = BTFW_ADDR_MODE_EXTENDED; |
| } else if (type == BTFW_HEX_LINE_TYPE_EXTENDED_SEGMENT_ADDRESS) { |
| *hi_addr = (data_bytes [0] << 8) | data_bytes [1]; |
| *addr_mode = BTFW_ADDR_MODE_SEGMENT; |
| } else if (type == BTFW_HEX_LINE_TYPE_ABSOLUTE_32BIT_ADDRESS) { |
| abs_base_addr32 = (data_bytes [0] << 24) | (data_bytes [1] << 16) | |
| (data_bytes [2] << 8) | data_bytes [3]; |
| *addr_mode = BTFW_ADDR_MODE_LINEAR32; |
| } else if (type == BTFW_HEX_LINE_TYPE_DATA) { |
| *dest_addr = addr; |
| if (*addr_mode == BTFW_ADDR_MODE_EXTENDED) |
| *dest_addr += (*hi_addr << 16); |
| else if (*addr_mode == BTFW_ADDR_MODE_SEGMENT) |
| *dest_addr += (*hi_addr << 4); |
| else if (*addr_mode == BTFW_ADDR_MODE_LINEAR32) |
| *dest_addr += abs_base_addr32; |
| *num_bytes = num_data_bytes; |
| } |
| } |
| } |
| return (*num_bytes > 0); |
| } |
| |
| static int |
| _dhdsdio_download_btfw(struct dhd_bus *bus) |
| { |
| int bcm_error = -1; |
| void *image = NULL; |
| uint8 *mem_blk = NULL, *mem_ptr = NULL, *data_ptr = NULL; |
| |
| uint32 offset_addr = 0, offset_len = 0, bytes_to_write = 0; |
| |
| char *line = NULL; |
| uint32 dest_addr = 0, num_bytes; |
| uint16 hiAddress = 0; |
| uint32 start_addr, start_data, end_addr, end_data, i, index, pad, |
| bt2wlan_pwrup_adr; |
| |
| int addr_mode = BTFW_ADDR_MODE_EXTENDED; |
| |
| /* Out immediately if no image to download */ |
| if ((bus->btfw_path == NULL) || (bus->btfw_path[0] == '\0')) { |
| return 0; |
| } |
| |
| /* XXX: Should succeed in opening image if it is actually given through registry |
| * entry or in module param. |
| */ |
| image = dhd_os_open_image1(bus->dhd, bus->btfw_path); |
| if (image == NULL) |
| goto err; |
| |
| mem_ptr = mem_blk = MALLOC(bus->dhd->osh, BTFW_DOWNLOAD_BLK_SIZE + DHD_SDALIGN); |
| if (mem_blk == NULL) { |
| DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", __FUNCTION__, |
| BTFW_DOWNLOAD_BLK_SIZE + DHD_SDALIGN)); |
| goto err; |
| } |
| if ((uint32)(uintptr)mem_blk % DHD_SDALIGN) |
| mem_ptr += (DHD_SDALIGN - ((uint32)(uintptr)mem_blk % DHD_SDALIGN)); |
| |
| data_ptr = MALLOC(bus->dhd->osh, BTFW_DOWNLOAD_BLK_SIZE - 8); |
| if (data_ptr == NULL) { |
| DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", __FUNCTION__, |
| BTFW_DOWNLOAD_BLK_SIZE - 8)); |
| goto err; |
| } |
| /* Write to BT register to hold WLAN wake high during BT FW download */ |
| bt2wlan_pwrup_adr = BTMEM_OFFSET + BT2WLAN_PWRUP_ADDR; |
| bcmsdh_reg_write(bus->sdh, bt2wlan_pwrup_adr, 4, BT2WLAN_PWRUP_WAKE); |
| /* |
| * Wait for at least 2msec for the clock to be ready/Available. |
| */ |
| OSL_DELAY(2000); |
| |
| line = MALLOC(bus->dhd->osh, BTFW_MAX_STR_LEN); |
| if (line == NULL) { |
| DHD_ERROR(("%s: Failed to allocate memory %d bytes\n", |
| __FUNCTION__, BTFW_MAX_STR_LEN)); |
| goto err; |
| } |
| memset(line, 0, BTFW_MAX_STR_LEN); |
| |
| while (read_more_btbytes (bus, image, line, &addr_mode, &hiAddress, &dest_addr, |
| data_ptr, &num_bytes)) { |
| |
| DHD_TRACE(("read %d bytes at address %08X\n", num_bytes, dest_addr)); |
| |
| start_addr = BTMEM_OFFSET + dest_addr; |
| index = 0; |
| |
| /* Make sure the start address is 4 byte aligned to avoid alignment issues |
| * with SD host controllers |
| */ |
| if (!ISALIGNED(start_addr, 4)) { |
| pad = start_addr % 4; |
| start_addr = ROUNDDN(start_addr, 4); |
| start_data = bcmsdh_reg_read(bus->sdh, start_addr, 4); |
| for (i = 0; i < pad; i++, index++) { |
| mem_ptr[index] = (uint8)((uint8 *)&start_data)[i]; |
| } |
| } |
| bcopy(data_ptr, &(mem_ptr[index]), num_bytes); |
| index += num_bytes; |
| |
| /* Make sure the length is multiple of 4bytes to avoid alignment issues |
| * with SD host controllers |
| */ |
| end_addr = start_addr + index; |
| if (!ISALIGNED(end_addr, 4)) { |
| end_addr = ROUNDDN(end_addr, 4); |
| end_data = bcmsdh_reg_read(bus->sdh, end_addr, 4); |
| for (i = (index % 4); i < 4; i++, index++) { |
| mem_ptr[index] = (uint8)((uint8 *)&end_data)[i]; |
| } |
| } |
| |
| offset_addr = start_addr & 0xFFF; |
| offset_len = offset_addr + index; |
| if (offset_len <= 0x1000) { |
| bcm_error = dhdsdio_membytes(bus, TRUE, start_addr, mem_ptr, index); |
| if (bcm_error) { |
| DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n", |
| __FUNCTION__, bcm_error, num_bytes, start_addr)); |
| goto err; |
| } |
| } |
| else { |
| bytes_to_write = 0x1000 - offset_addr; |
| bcm_error = dhdsdio_membytes(bus, TRUE, start_addr, mem_ptr, |
| bytes_to_write); |
| if (bcm_error) { |
| DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n", |
| __FUNCTION__, bcm_error, num_bytes, start_addr)); |
| goto err; |
| } |
| |
| OSL_DELAY(10000); |
| |
| bcm_error = dhdsdio_membytes(bus, TRUE, (start_addr + bytes_to_write), |
| (mem_ptr + bytes_to_write), (index - bytes_to_write)); |
| if (bcm_error) { |
| DHD_ERROR(("%s: error %d on writing %d membytes at 0x%08x\n", |
| __FUNCTION__, bcm_error, num_bytes, start_addr)); |
| goto err; |
| } |
| } |
| memset(line, 0, BTFW_MAX_STR_LEN); |
| } |
| |
| bcm_error = 0; |
| err: |
| if (mem_blk) |
| MFREE(bus->dhd->osh, mem_blk, BTFW_DOWNLOAD_BLK_SIZE + DHD_SDALIGN); |
| |
| if (data_ptr) |
| MFREE(bus->dhd->osh, data_ptr, BTFW_DOWNLOAD_BLK_SIZE - 8); |
| |
| if (line) |
| MFREE(bus->dhd->osh, line, BTFW_MAX_STR_LEN); |
| |
| if (image) |
| dhd_os_close_image1(bus->dhd, image); |
| |
| return bcm_error; |
| } |
| |
| static int |
| dhdsdio_download_btfw(struct dhd_bus *bus, osl_t *osh, void *sdh) |
| { |
| int ret; |
| |
| DHD_TRACE(("%s: btfw path=%s\n", |
| __FUNCTION__, bus->btfw_path)); |
| DHD_OS_WAKE_LOCK(bus->dhd); |
| dhd_os_sdlock(bus->dhd); |
| |
| /* Download the firmware */ |
| ret = _dhdsdio_download_btfw(bus); |
| |
| dhd_os_sdunlock(bus->dhd); |
| DHD_OS_WAKE_UNLOCK(bus->dhd); |
| |
| return ret; |
| } |
| |
| int |
| dhd_bus_download_btfw(struct dhd_bus *bus, osl_t *osh, |
| char *pbtfw_path) |
| { |
| int ret; |
| |
| bus->btfw_path = pbtfw_path; |
| |
| ret = dhdsdio_download_btfw(bus, osh, bus->sdh); |
| |
| return ret; |
| } |
| #endif /* defined (BT_OVER_SDIO) */ |
| |
| void |
| dhd_bus_dump_trap_info(dhd_bus_t *bus, struct bcmstrbuf *strbuf) |
| { |
| trap_t *tr = &bus->dhd->last_trap_info; |
| |
| bcm_bprintf(strbuf, |
| "Dongle trap type 0x%x @ epc 0x%x, cpsr 0x%x, spsr 0x%x, sp 0x%x," |
| "lp 0x%x, rpc 0x%x Trap offset 0x%x, " |
| "r0 0x%x, r1 0x%x, r2 0x%x, r3 0x%x, " |
| "r4 0x%x, r5 0x%x, r6 0x%x, r7 0x%x\n\n", |
| ltoh32(tr->type), ltoh32(tr->epc), ltoh32(tr->cpsr), ltoh32(tr->spsr), |
| ltoh32(tr->r13), ltoh32(tr->r14), ltoh32(tr->pc), |
| ltoh32(bus->dongle_trap_addr), |
| ltoh32(tr->r0), ltoh32(tr->r1), ltoh32(tr->r2), ltoh32(tr->r3), |
| ltoh32(tr->r4), ltoh32(tr->r5), ltoh32(tr->r6), ltoh32(tr->r7)); |
| |
| } |
| |
| static int |
| dhd_bcmsdh_send_buffer(void *bus, uint8 *frame, uint16 len) |
| { |
| int ret = -1; |
| |
| ret = dhd_bcmsdh_send_buf(bus, bcmsdh_cur_sbwad(((dhd_bus_t*)bus)->sdh), |
| SDIO_FUNC_2, F2SYNC, frame, len, NULL, NULL, NULL, TXRETRIES); |
| |
| if (ret == BCME_OK) |
| ((dhd_bus_t*)bus)->tx_seq = (((dhd_bus_t*)bus)->tx_seq + 1) % SDPCM_SEQUENCE_WRAP; |
| |
| return ret; |
| } |
| |
| /* Function to set the min res mask depending on the chip ID used */ |
| bool |
| dhd_bus_set_default_min_res_mask(struct dhd_bus *bus) |
| { |
| if ((bus == NULL) || (bus->sih == NULL)) { |
| DHD_ERROR(("%s(): Invalid Arguments \r\n", __FUNCTION__)); |
| return FALSE; |
| } |
| |
| switch (bus->sih->chip) { |
| case BCM4339_CHIP_ID: |
| bcmsdh_reg_write(bus->sdh, SI_ENUM_BASE(bus->sih) + 0x618, 4, 0x3fcaf377); |
| if (bcmsdh_regfail(bus->sdh)) { |
| DHD_ERROR(("%s:%d Setting min_res_mask failed\n", __FUNCTION__, __LINE__)); |
| return FALSE; |
| } |
| break; |
| |
| case BCM43012_CHIP_ID: |
| case BCM43013_CHIP_ID: |
| case BCM43014_CHIP_ID: |
| bcmsdh_reg_write(bus->sdh, |
| si_get_pmu_reg_addr(bus->sih, OFFSETOF(pmuregs_t, min_res_mask)), |
| 4, DEFAULT_43012_MIN_RES_MASK); |
| if (bcmsdh_regfail(bus->sdh)) { |
| DHD_ERROR(("%s:%d Setting min_res_mask failed\n", __FUNCTION__, __LINE__)); |
| return FALSE; |
| } |
| break; |
| |
| default: |
| DHD_ERROR(("%s: Unhandled chip id\n", __FUNCTION__)); |
| return FALSE; |
| } |
| |
| return TRUE; |
| } |
| |
| /* Function to reset PMU registers */ |
| void |
| dhd_bus_pmu_reg_reset(dhd_pub_t *dhdp) |
| { |
| struct dhd_bus *bus = dhdp->bus; |
| bcmsdh_reg_write(bus->sdh, si_get_pmu_reg_addr(bus->sih, |
| OFFSETOF(pmuregs_t, swscratch)), 4, 0x0); |
| if (bcmsdh_regfail(bus->sdh)) { |
| DHD_ERROR(("%s:%d Setting min_res_mask failed\n", __FUNCTION__, __LINE__)); |
| } |
| } |
| |
| int |
| dhd_bus_readwrite_bp_addr(dhd_pub_t *dhdp, uint addr, uint size, uint* data, bool read) |
| { |
| int bcmerror = 0; |
| struct dhd_bus *bus = dhdp->bus; |
| |
| if (read) { |
| *data = (int32)bcmsdh_reg_read(bus->sdh, addr, size); |
| } else { |
| bcmsdh_reg_write(bus->sdh, addr, size, *data); |
| } |
| |
| if (bcmsdh_regfail(bus->sdh)) |
| bcmerror = BCME_SDIO_ERROR; |
| |
| return bcmerror; |
| } |
| |
| int dhd_get_idletime(dhd_pub_t *dhd) |
| { |
| return dhd->bus->idletime; |
| } |
| |
| #ifdef DHD_WAKE_STATUS |
| wake_counts_t* |
| dhd_bus_get_wakecount(dhd_pub_t *dhd) |
| { |
| return &dhd->bus->wake_counts; |
| } |
| int |
| dhd_bus_get_bus_wake(dhd_pub_t *dhd) |
| { |
| return bcmsdh_get_wake(dhd->bus->sdh); |
| } |
| int |
| dhd_bus_set_get_bus_wake(dhd_pub_t *dhd, int set) |
| { |
| return bcmsdh_set_get_wake(dhd->bus, set); |
| } |
| #endif /* DHD_WAKE_STATUS */ |
| |
| void |
| dhd_bus_set_signature_path(struct dhd_bus *bus, char *sig_path) |
| { |
| UNUSED_PARAMETER(bus); |
| UNUSED_PARAMETER(sig_path); |
| } |