| /* |
| * Copyright (c) 2013-2021 The Linux Foundation. All rights reserved. |
| * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #ifndef _HIF_H_ |
| #define _HIF_H_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif /* __cplusplus */ |
| |
| /* Header files */ |
| #include <qdf_status.h> |
| #include "qdf_nbuf.h" |
| #include "qdf_lro.h" |
| #include "ol_if_athvar.h" |
| #include <linux/platform_device.h> |
| #ifdef HIF_PCI |
| #include <linux/pci.h> |
| #endif /* HIF_PCI */ |
| #ifdef HIF_USB |
| #include <linux/usb.h> |
| #endif /* HIF_USB */ |
| #ifdef IPA_OFFLOAD |
| #include <linux/ipa.h> |
| #endif |
| #include "cfg_ucfg_api.h" |
| #include "qdf_dev.h" |
| #include <wlan_init_cfg.h> |
| |
| #define ENABLE_MBOX_DUMMY_SPACE_FEATURE 1 |
| |
| typedef void __iomem *A_target_id_t; |
| typedef void *hif_handle_t; |
| |
| #if defined(HIF_IPCI) && defined(FEATURE_HAL_DELAYED_REG_WRITE) |
| #define HIF_WORK_DRAIN_WAIT_CNT 50 |
| |
| #define HIF_EP_WAKE_RESET_WAIT_CNT 10 |
| #endif |
| |
| #define HIF_TYPE_AR6002 2 |
| #define HIF_TYPE_AR6003 3 |
| #define HIF_TYPE_AR6004 5 |
| #define HIF_TYPE_AR9888 6 |
| #define HIF_TYPE_AR6320 7 |
| #define HIF_TYPE_AR6320V2 8 |
| /* For attaching Peregrine 2.0 board host_reg_tbl only */ |
| #define HIF_TYPE_AR9888V2 9 |
| #define HIF_TYPE_ADRASTEA 10 |
| #define HIF_TYPE_AR900B 11 |
| #define HIF_TYPE_QCA9984 12 |
| #define HIF_TYPE_IPQ4019 13 |
| #define HIF_TYPE_QCA9888 14 |
| #define HIF_TYPE_QCA8074 15 |
| #define HIF_TYPE_QCA6290 16 |
| #define HIF_TYPE_QCN7605 17 |
| #define HIF_TYPE_QCA6390 18 |
| #define HIF_TYPE_QCA8074V2 19 |
| #define HIF_TYPE_QCA6018 20 |
| #define HIF_TYPE_QCN9000 21 |
| #define HIF_TYPE_QCA6490 22 |
| #define HIF_TYPE_QCA6750 23 |
| #define HIF_TYPE_QCA5018 24 |
| #define HIF_TYPE_QCN6122 25 |
| #define HIF_TYPE_KIWI 26 |
| #define HIF_TYPE_QCN9224 27 |
| #define HIF_TYPE_QCA9574 28 |
| |
| #define DMA_COHERENT_MASK_DEFAULT 37 |
| |
| #ifdef IPA_OFFLOAD |
| #define DMA_COHERENT_MASK_BELOW_IPA_VER_3 32 |
| #endif |
| |
| /* enum hif_ic_irq - enum defining integrated chip irq numbers |
| * defining irq nubers that can be used by external modules like datapath |
| */ |
| enum hif_ic_irq { |
| host2wbm_desc_feed = 16, |
| host2reo_re_injection, |
| host2reo_command, |
| host2rxdma_monitor_ring3, |
| host2rxdma_monitor_ring2, |
| host2rxdma_monitor_ring1, |
| reo2host_exception, |
| wbm2host_rx_release, |
| reo2host_status, |
| reo2host_destination_ring4, |
| reo2host_destination_ring3, |
| reo2host_destination_ring2, |
| reo2host_destination_ring1, |
| rxdma2host_monitor_destination_mac3, |
| rxdma2host_monitor_destination_mac2, |
| rxdma2host_monitor_destination_mac1, |
| ppdu_end_interrupts_mac3, |
| ppdu_end_interrupts_mac2, |
| ppdu_end_interrupts_mac1, |
| rxdma2host_monitor_status_ring_mac3, |
| rxdma2host_monitor_status_ring_mac2, |
| rxdma2host_monitor_status_ring_mac1, |
| host2rxdma_host_buf_ring_mac3, |
| host2rxdma_host_buf_ring_mac2, |
| host2rxdma_host_buf_ring_mac1, |
| rxdma2host_destination_ring_mac3, |
| rxdma2host_destination_ring_mac2, |
| rxdma2host_destination_ring_mac1, |
| host2tcl_input_ring4, |
| host2tcl_input_ring3, |
| host2tcl_input_ring2, |
| host2tcl_input_ring1, |
| wbm2host_tx_completions_ring3, |
| wbm2host_tx_completions_ring2, |
| wbm2host_tx_completions_ring1, |
| tcl2host_status_ring, |
| }; |
| |
| struct CE_state; |
| #ifdef QCA_WIFI_QCN9224 |
| #define CE_COUNT_MAX 16 |
| #else |
| #define CE_COUNT_MAX 12 |
| #endif |
| |
| #ifndef HIF_MAX_GROUP |
| #define HIF_MAX_GROUP WLAN_CFG_INT_NUM_CONTEXTS |
| #endif |
| |
| #ifdef CONFIG_BERYLLIUM |
| #define HIF_MAX_GRP_IRQ 25 |
| #else |
| #define HIF_MAX_GRP_IRQ 16 |
| #endif |
| |
| #ifndef NAPI_YIELD_BUDGET_BASED |
| #ifndef QCA_NAPI_DEF_SCALE_BIN_SHIFT |
| #define QCA_NAPI_DEF_SCALE_BIN_SHIFT 4 |
| #endif |
| #else /* NAPI_YIELD_BUDGET_BASED */ |
| #define QCA_NAPI_DEF_SCALE_BIN_SHIFT 2 |
| #endif /* NAPI_YIELD_BUDGET_BASED */ |
| |
| #define QCA_NAPI_BUDGET 64 |
| #define QCA_NAPI_DEF_SCALE \ |
| (1 << QCA_NAPI_DEF_SCALE_BIN_SHIFT) |
| |
| #define HIF_NAPI_MAX_RECEIVES (QCA_NAPI_BUDGET * QCA_NAPI_DEF_SCALE) |
| /* NOTE: "napi->scale" can be changed, |
| * but this does not change the number of buckets |
| */ |
| #define QCA_NAPI_NUM_BUCKETS 4 |
| |
| /** |
| * qca_napi_stat - stats structure for execution contexts |
| * @napi_schedules - number of times the schedule function is called |
| * @napi_polls - number of times the execution context runs |
| * @napi_completes - number of times that the generating interrupt is reenabled |
| * @napi_workdone - cumulative of all work done reported by handler |
| * @cpu_corrected - incremented when execution context runs on a different core |
| * than the one that its irq is affined to. |
| * @napi_budget_uses - histogram of work done per execution run |
| * @time_limit_reache - count of yields due to time limit threshholds |
| * @rxpkt_thresh_reached - count of yields due to a work limit |
| * @poll_time_buckets - histogram of poll times for the napi |
| * |
| */ |
| struct qca_napi_stat { |
| uint32_t napi_schedules; |
| uint32_t napi_polls; |
| uint32_t napi_completes; |
| uint32_t napi_workdone; |
| uint32_t cpu_corrected; |
| uint32_t napi_budget_uses[QCA_NAPI_NUM_BUCKETS]; |
| uint32_t time_limit_reached; |
| uint32_t rxpkt_thresh_reached; |
| unsigned long long napi_max_poll_time; |
| #ifdef WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT |
| uint32_t poll_time_buckets[QCA_NAPI_NUM_BUCKETS]; |
| #endif |
| }; |
| |
| |
| /** |
| * per NAPI instance data structure |
| * This data structure holds stuff per NAPI instance. |
| * Note that, in the current implementation, though scale is |
| * an instance variable, it is set to the same value for all |
| * instances. |
| */ |
| struct qca_napi_info { |
| struct net_device netdev; /* dummy net_dev */ |
| void *hif_ctx; |
| struct napi_struct napi; |
| uint8_t scale; /* currently same on all instances */ |
| uint8_t id; |
| uint8_t cpu; |
| int irq; |
| cpumask_t cpumask; |
| struct qca_napi_stat stats[NR_CPUS]; |
| #ifdef RECEIVE_OFFLOAD |
| /* will only be present for data rx CE's */ |
| void (*offld_flush_cb)(void *); |
| struct napi_struct rx_thread_napi; |
| struct net_device rx_thread_netdev; |
| #endif /* RECEIVE_OFFLOAD */ |
| qdf_lro_ctx_t lro_ctx; |
| }; |
| |
| enum qca_napi_tput_state { |
| QCA_NAPI_TPUT_UNINITIALIZED, |
| QCA_NAPI_TPUT_LO, |
| QCA_NAPI_TPUT_HI |
| }; |
| enum qca_napi_cpu_state { |
| QCA_NAPI_CPU_UNINITIALIZED, |
| QCA_NAPI_CPU_DOWN, |
| QCA_NAPI_CPU_UP }; |
| |
| /** |
| * struct qca_napi_cpu - an entry of the napi cpu table |
| * @core_id: physical core id of the core |
| * @cluster_id: cluster this core belongs to |
| * @core_mask: mask to match all core of this cluster |
| * @thread_mask: mask for this core within the cluster |
| * @max_freq: maximum clock this core can be clocked at |
| * same for all cpus of the same core. |
| * @napis: bitmap of napi instances on this core |
| * @execs: bitmap of execution contexts on this core |
| * cluster_nxt: chain to link cores within the same cluster |
| * |
| * This structure represents a single entry in the napi cpu |
| * table. The table is part of struct qca_napi_data. |
| * This table is initialized by the init function, called while |
| * the first napi instance is being created, updated by hotplug |
| * notifier and when cpu affinity decisions are made (by throughput |
| * detection), and deleted when the last napi instance is removed. |
| */ |
| struct qca_napi_cpu { |
| enum qca_napi_cpu_state state; |
| int core_id; |
| int cluster_id; |
| cpumask_t core_mask; |
| cpumask_t thread_mask; |
| unsigned int max_freq; |
| uint32_t napis; |
| uint32_t execs; |
| int cluster_nxt; /* index, not pointer */ |
| }; |
| |
| /** |
| * struct qca_napi_data - collection of napi data for a single hif context |
| * @hif_softc: pointer to the hif context |
| * @lock: spinlock used in the event state machine |
| * @state: state variable used in the napi stat machine |
| * @ce_map: bit map indicating which ce's have napis running |
| * @exec_map: bit map of instanciated exec contexts |
| * @user_cpu_affin_map: CPU affinity map from INI config. |
| * @napi_cpu: cpu info for irq affinty |
| * @lilcl_head: |
| * @bigcl_head: |
| * @napi_mode: irq affinity & clock voting mode |
| * @cpuhp_handler: CPU hotplug event registration handle |
| */ |
| struct qca_napi_data { |
| struct hif_softc *hif_softc; |
| qdf_spinlock_t lock; |
| uint32_t state; |
| |
| /* bitmap of created/registered NAPI instances, indexed by pipe_id, |
| * not used by clients (clients use an id returned by create) |
| */ |
| uint32_t ce_map; |
| uint32_t exec_map; |
| uint32_t user_cpu_affin_mask; |
| struct qca_napi_info *napis[CE_COUNT_MAX]; |
| struct qca_napi_cpu napi_cpu[NR_CPUS]; |
| int lilcl_head, bigcl_head; |
| enum qca_napi_tput_state napi_mode; |
| struct qdf_cpuhp_handler *cpuhp_handler; |
| uint8_t flags; |
| }; |
| |
| /** |
| * struct hif_config_info - Place Holder for HIF configuration |
| * @enable_self_recovery: Self Recovery |
| * @enable_runtime_pm: Enable Runtime PM |
| * @runtime_pm_delay: Runtime PM Delay |
| * @rx_softirq_max_yield_duration_ns: Max Yield time duration for RX Softirq |
| * |
| * Structure for holding HIF ini parameters. |
| */ |
| struct hif_config_info { |
| bool enable_self_recovery; |
| #ifdef FEATURE_RUNTIME_PM |
| uint8_t enable_runtime_pm; |
| u_int32_t runtime_pm_delay; |
| #endif |
| uint64_t rx_softirq_max_yield_duration_ns; |
| }; |
| |
| /** |
| * struct hif_target_info - Target Information |
| * @target_version: Target Version |
| * @target_type: Target Type |
| * @target_revision: Target Revision |
| * @soc_version: SOC Version |
| * @hw_name: pointer to hardware name |
| * |
| * Structure to hold target information. |
| */ |
| struct hif_target_info { |
| uint32_t target_version; |
| uint32_t target_type; |
| uint32_t target_revision; |
| uint32_t soc_version; |
| char *hw_name; |
| }; |
| |
| struct hif_opaque_softc { |
| }; |
| |
| /** |
| * enum hif_event_type - Type of DP events to be recorded |
| * @HIF_EVENT_IRQ_TRIGGER: IRQ trigger event |
| * @HIF_EVENT_TIMER_ENTRY: Monitor Timer entry event |
| * @HIF_EVENT_TIMER_EXIT: Monitor Timer exit event |
| * @HIF_EVENT_BH_SCHED: NAPI POLL scheduled event |
| * @HIF_EVENT_SRNG_ACCESS_START: hal ring access start event |
| * @HIF_EVENT_SRNG_ACCESS_END: hal ring access end event |
| * @HIF_EVENT_BH_COMPLETE: NAPI POLL completion event |
| * @HIF_EVENT_BH_FORCE_BREAK: NAPI POLL force break event |
| */ |
| enum hif_event_type { |
| HIF_EVENT_IRQ_TRIGGER, |
| HIF_EVENT_TIMER_ENTRY, |
| HIF_EVENT_TIMER_EXIT, |
| HIF_EVENT_BH_SCHED, |
| HIF_EVENT_SRNG_ACCESS_START, |
| HIF_EVENT_SRNG_ACCESS_END, |
| HIF_EVENT_BH_COMPLETE, |
| HIF_EVENT_BH_FORCE_BREAK, |
| /* Do check hif_hist_skip_event_record when adding new events */ |
| }; |
| |
| /** |
| * enum hif_system_pm_state - System PM state |
| * HIF_SYSTEM_PM_STATE_ON: System in active state |
| * HIF_SYSTEM_PM_STATE_BUS_RESUMING: bus resume in progress as part of |
| * system resume |
| * HIF_SYSTEM_PM_STATE_BUS_SUSPENDING: bus suspend in progress as part of |
| * system suspend |
| * HIF_SYSTEM_PM_STATE_BUS_SUSPENDED: bus suspended as part of system suspend |
| */ |
| enum hif_system_pm_state { |
| HIF_SYSTEM_PM_STATE_ON, |
| HIF_SYSTEM_PM_STATE_BUS_RESUMING, |
| HIF_SYSTEM_PM_STATE_BUS_SUSPENDING, |
| HIF_SYSTEM_PM_STATE_BUS_SUSPENDED, |
| }; |
| |
| #ifdef WLAN_FEATURE_DP_EVENT_HISTORY |
| #define HIF_NUM_INT_CONTEXTS HIF_MAX_GROUP |
| |
| #if defined(HIF_CONFIG_SLUB_DEBUG_ON) || defined(HIF_CE_DEBUG_DATA_BUF) |
| /* HIF_EVENT_HIST_MAX should always be power of 2 */ |
| #define HIF_EVENT_HIST_MAX 512 |
| |
| #define HIF_EVENT_HIST_ENABLE_MASK 0xFF |
| |
| static inline uint64_t hif_get_log_timestamp(void) |
| { |
| return qdf_get_log_timestamp(); |
| } |
| |
| #else |
| |
| #define HIF_EVENT_HIST_MAX 32 |
| /* Enable IRQ TRIGGER, NAPI SCHEDULE, SRNG ACCESS START */ |
| #define HIF_EVENT_HIST_ENABLE_MASK 0x19 |
| |
| static inline uint64_t hif_get_log_timestamp(void) |
| { |
| return qdf_sched_clock(); |
| } |
| |
| #endif |
| |
| /** |
| * struct hif_event_record - an entry of the DP event history |
| * @hal_ring_id: ring id for which event is recorded |
| * @hp: head pointer of the ring (may not be applicable for all events) |
| * @tp: tail pointer of the ring (may not be applicable for all events) |
| * @cpu_id: cpu id on which the event occurred |
| * @timestamp: timestamp when event occurred |
| * @type: type of the event |
| * |
| * This structure represents the information stored for every datapath |
| * event which is logged in the history. |
| */ |
| struct hif_event_record { |
| uint8_t hal_ring_id; |
| uint32_t hp; |
| uint32_t tp; |
| int cpu_id; |
| uint64_t timestamp; |
| enum hif_event_type type; |
| }; |
| |
| /** |
| * struct hif_event_misc - history related misc info |
| * @last_irq_index: last irq event index in history |
| * @last_irq_ts: last irq timestamp |
| */ |
| struct hif_event_misc { |
| int32_t last_irq_index; |
| uint64_t last_irq_ts; |
| }; |
| |
| /** |
| * struct hif_event_history - history for one interrupt group |
| * @index: index to store new event |
| * @event: event entry |
| * |
| * This structure represents the datapath history for one |
| * interrupt group. |
| */ |
| struct hif_event_history { |
| qdf_atomic_t index; |
| struct hif_event_misc misc; |
| struct hif_event_record event[HIF_EVENT_HIST_MAX]; |
| }; |
| |
| /** |
| * hif_hist_record_event() - Record one datapath event in history |
| * @hif_ctx: HIF opaque context |
| * @event: DP event entry |
| * @intr_grp_id: interrupt group ID registered with hif |
| * |
| * Return: None |
| */ |
| void hif_hist_record_event(struct hif_opaque_softc *hif_ctx, |
| struct hif_event_record *event, |
| uint8_t intr_grp_id); |
| |
| /** |
| * hif_event_history_init() - Initialize SRNG event history buffers |
| * @hif_ctx: HIF opaque context |
| * @id: context group ID for which history is recorded |
| * |
| * Returns: None |
| */ |
| void hif_event_history_init(struct hif_opaque_softc *hif_ctx, uint8_t id); |
| |
| /** |
| * hif_event_history_deinit() - De-initialize SRNG event history buffers |
| * @hif_ctx: HIF opaque context |
| * @id: context group ID for which history is recorded |
| * |
| * Returns: None |
| */ |
| void hif_event_history_deinit(struct hif_opaque_softc *hif_ctx, uint8_t id); |
| |
| /** |
| * hif_record_event() - Wrapper function to form and record DP event |
| * @hif_ctx: HIF opaque context |
| * @intr_grp_id: interrupt group ID registered with hif |
| * @hal_ring_id: ring id for which event is recorded |
| * @hp: head pointer index of the srng |
| * @tp: tail pointer index of the srng |
| * @type: type of the event to be logged in history |
| * |
| * Return: None |
| */ |
| static inline void hif_record_event(struct hif_opaque_softc *hif_ctx, |
| uint8_t intr_grp_id, |
| uint8_t hal_ring_id, |
| uint32_t hp, |
| uint32_t tp, |
| enum hif_event_type type) |
| { |
| struct hif_event_record event; |
| |
| event.hal_ring_id = hal_ring_id; |
| event.hp = hp; |
| event.tp = tp; |
| event.type = type; |
| |
| hif_hist_record_event(hif_ctx, &event, intr_grp_id); |
| |
| return; |
| } |
| |
| #else |
| |
| static inline void hif_record_event(struct hif_opaque_softc *hif_ctx, |
| uint8_t intr_grp_id, |
| uint8_t hal_ring_id, |
| uint32_t hp, |
| uint32_t tp, |
| enum hif_event_type type) |
| { |
| } |
| |
| static inline void hif_event_history_init(struct hif_opaque_softc *hif_ctx, |
| uint8_t id) |
| { |
| } |
| |
| static inline void hif_event_history_deinit(struct hif_opaque_softc *hif_ctx, |
| uint8_t id) |
| { |
| } |
| #endif /* WLAN_FEATURE_DP_EVENT_HISTORY */ |
| |
| void hif_display_ctrl_traffic_pipes_state(struct hif_opaque_softc *hif_ctx); |
| |
| #if defined(HIF_CONFIG_SLUB_DEBUG_ON) || defined(HIF_CE_DEBUG_DATA_BUF) |
| void hif_display_latest_desc_hist(struct hif_opaque_softc *hif_ctx); |
| #else |
| static inline void hif_display_latest_desc_hist(struct hif_opaque_softc *hif_ctx) {} |
| #endif |
| |
| /** |
| * enum HIF_DEVICE_POWER_CHANGE_TYPE: Device Power change type |
| * |
| * @HIF_DEVICE_POWER_UP: HIF layer should power up interface and/or module |
| * @HIF_DEVICE_POWER_DOWN: HIF layer should initiate bus-specific measures to |
| * minimize power |
| * @HIF_DEVICE_POWER_CUT: HIF layer should initiate bus-specific AND/OR |
| * platform-specific measures to completely power-off |
| * the module and associated hardware (i.e. cut power |
| * supplies) |
| */ |
| enum HIF_DEVICE_POWER_CHANGE_TYPE { |
| HIF_DEVICE_POWER_UP, |
| HIF_DEVICE_POWER_DOWN, |
| HIF_DEVICE_POWER_CUT |
| }; |
| |
| /** |
| * enum hif_enable_type: what triggered the enabling of hif |
| * |
| * @HIF_ENABLE_TYPE_PROBE: probe triggered enable |
| * @HIF_ENABLE_TYPE_REINIT: reinit triggered enable |
| */ |
| enum hif_enable_type { |
| HIF_ENABLE_TYPE_PROBE, |
| HIF_ENABLE_TYPE_REINIT, |
| HIF_ENABLE_TYPE_MAX |
| }; |
| |
| /** |
| * enum hif_disable_type: what triggered the disabling of hif |
| * |
| * @HIF_DISABLE_TYPE_PROBE_ERROR: probe error triggered disable |
| * @HIF_DISABLE_TYPE_REINIT_ERROR: reinit error triggered disable |
| * @HIF_DISABLE_TYPE_REMOVE: remove triggered disable |
| * @HIF_DISABLE_TYPE_SHUTDOWN: shutdown triggered disable |
| */ |
| enum hif_disable_type { |
| HIF_DISABLE_TYPE_PROBE_ERROR, |
| HIF_DISABLE_TYPE_REINIT_ERROR, |
| HIF_DISABLE_TYPE_REMOVE, |
| HIF_DISABLE_TYPE_SHUTDOWN, |
| HIF_DISABLE_TYPE_MAX |
| }; |
| /** |
| * enum hif_device_config_opcode: configure mode |
| * |
| * @HIF_DEVICE_POWER_STATE: device power state |
| * @HIF_DEVICE_GET_BLOCK_SIZE: get block size |
| * @HIF_DEVICE_GET_ADDR: get block address |
| * @HIF_DEVICE_GET_PENDING_EVENTS_FUNC: get pending events functions |
| * @HIF_DEVICE_GET_IRQ_PROC_MODE: get irq proc mode |
| * @HIF_DEVICE_GET_RECV_EVENT_MASK_UNMASK_FUNC: receive event function |
| * @HIF_DEVICE_POWER_STATE_CHANGE: change power state |
| * @HIF_DEVICE_GET_IRQ_YIELD_PARAMS: get yield params |
| * @HIF_CONFIGURE_QUERY_SCATTER_REQUEST_SUPPORT: configure scatter request |
| * @HIF_DEVICE_GET_OS_DEVICE: get OS device |
| * @HIF_DEVICE_DEBUG_BUS_STATE: debug bus state |
| * @HIF_BMI_DONE: bmi done |
| * @HIF_DEVICE_SET_TARGET_TYPE: set target type |
| * @HIF_DEVICE_SET_HTC_CONTEXT: set htc context |
| * @HIF_DEVICE_GET_HTC_CONTEXT: get htc context |
| */ |
| enum hif_device_config_opcode { |
| HIF_DEVICE_POWER_STATE = 0, |
| HIF_DEVICE_GET_BLOCK_SIZE, |
| HIF_DEVICE_GET_FIFO_ADDR, |
| HIF_DEVICE_GET_PENDING_EVENTS_FUNC, |
| HIF_DEVICE_GET_IRQ_PROC_MODE, |
| HIF_DEVICE_GET_RECV_EVENT_MASK_UNMASK_FUNC, |
| HIF_DEVICE_POWER_STATE_CHANGE, |
| HIF_DEVICE_GET_IRQ_YIELD_PARAMS, |
| HIF_CONFIGURE_QUERY_SCATTER_REQUEST_SUPPORT, |
| HIF_DEVICE_GET_OS_DEVICE, |
| HIF_DEVICE_DEBUG_BUS_STATE, |
| HIF_BMI_DONE, |
| HIF_DEVICE_SET_TARGET_TYPE, |
| HIF_DEVICE_SET_HTC_CONTEXT, |
| HIF_DEVICE_GET_HTC_CONTEXT, |
| }; |
| |
| #ifdef CONFIG_ATH_PCIE_ACCESS_DEBUG |
| struct HID_ACCESS_LOG { |
| uint32_t seqnum; |
| bool is_write; |
| void *addr; |
| uint32_t value; |
| }; |
| #endif |
| |
| void hif_reg_write(struct hif_opaque_softc *hif_ctx, uint32_t offset, |
| uint32_t value); |
| uint32_t hif_reg_read(struct hif_opaque_softc *hif_ctx, uint32_t offset); |
| |
| #define HIF_MAX_DEVICES 1 |
| /** |
| * struct htc_callbacks - Structure for HTC Callbacks methods |
| * @context: context to pass to the dsrhandler |
| * note : rwCompletionHandler is provided the context |
| * passed to hif_read_write |
| * @rwCompletionHandler: Read / write completion handler |
| * @dsrHandler: DSR Handler |
| */ |
| struct htc_callbacks { |
| void *context; |
| QDF_STATUS(*rw_compl_handler)(void *rw_ctx, QDF_STATUS status); |
| QDF_STATUS(*dsr_handler)(void *context); |
| }; |
| |
| /** |
| * struct hif_driver_state_callbacks - Callbacks for HIF to query Driver state |
| * @context: Private data context |
| * @set_recovery_in_progress: To Set Driver state for recovery in progress |
| * @is_recovery_in_progress: Query if driver state is recovery in progress |
| * @is_load_unload_in_progress: Query if driver state Load/Unload in Progress |
| * @is_driver_unloading: Query if driver is unloading. |
| * @get_bandwidth_level: Query current bandwidth level for the driver |
| * @prealloc_get_consistent_mem_unligned: get prealloc unaligned consistent mem |
| * @prealloc_put_consistent_mem_unligned: put unaligned consistent mem to pool |
| * This Structure provides callback pointer for HIF to query hdd for driver |
| * states. |
| */ |
| struct hif_driver_state_callbacks { |
| void *context; |
| void (*set_recovery_in_progress)(void *context, uint8_t val); |
| bool (*is_recovery_in_progress)(void *context); |
| bool (*is_load_unload_in_progress)(void *context); |
| bool (*is_driver_unloading)(void *context); |
| bool (*is_target_ready)(void *context); |
| int (*get_bandwidth_level)(void *context); |
| void *(*prealloc_get_consistent_mem_unaligned)(qdf_size_t size, |
| qdf_dma_addr_t *paddr, |
| uint32_t ring_type); |
| void (*prealloc_put_consistent_mem_unaligned)(void *vaddr); |
| }; |
| |
| /* This API detaches the HTC layer from the HIF device */ |
| void hif_detach_htc(struct hif_opaque_softc *hif_ctx); |
| |
| /****************************************************************/ |
| /* BMI and Diag window abstraction */ |
| /****************************************************************/ |
| |
| #define HIF_BMI_EXCHANGE_NO_TIMEOUT ((uint32_t)(0)) |
| |
| #define DIAG_TRANSFER_LIMIT 2048U /* maximum number of bytes that can be |
| * handled atomically by |
| * DiagRead/DiagWrite |
| */ |
| |
| #ifdef WLAN_FEATURE_BMI |
| /* |
| * API to handle HIF-specific BMI message exchanges, this API is synchronous |
| * and only allowed to be called from a context that can block (sleep) |
| */ |
| QDF_STATUS hif_exchange_bmi_msg(struct hif_opaque_softc *hif_ctx, |
| qdf_dma_addr_t cmd, qdf_dma_addr_t rsp, |
| uint8_t *pSendMessage, uint32_t Length, |
| uint8_t *pResponseMessage, |
| uint32_t *pResponseLength, uint32_t TimeoutMS); |
| void hif_register_bmi_callbacks(struct hif_opaque_softc *hif_ctx); |
| bool hif_needs_bmi(struct hif_opaque_softc *hif_ctx); |
| #else /* WLAN_FEATURE_BMI */ |
| static inline void |
| hif_register_bmi_callbacks(struct hif_opaque_softc *hif_ctx) |
| { |
| } |
| |
| static inline bool |
| hif_needs_bmi(struct hif_opaque_softc *hif_ctx) |
| { |
| return false; |
| } |
| #endif /* WLAN_FEATURE_BMI */ |
| |
| #ifdef HIF_CPU_CLEAR_AFFINITY |
| /** |
| * hif_config_irq_clear_cpu_affinity() - Remove cpu affinity of IRQ |
| * @scn: HIF handle |
| * @intr_ctxt_id: interrupt group index |
| * @cpu: CPU core to clear |
| * |
| * Return: None |
| */ |
| void hif_config_irq_clear_cpu_affinity(struct hif_opaque_softc *scn, |
| int intr_ctxt_id, int cpu); |
| #else |
| static inline |
| void hif_config_irq_clear_cpu_affinity(struct hif_opaque_softc *scn, |
| int intr_ctxt_id, int cpu) |
| { |
| } |
| #endif |
| |
| /* |
| * APIs to handle HIF specific diagnostic read accesses. These APIs are |
| * synchronous and only allowed to be called from a context that |
| * can block (sleep). They are not high performance APIs. |
| * |
| * hif_diag_read_access reads a 4 Byte aligned/length value from a |
| * Target register or memory word. |
| * |
| * hif_diag_read_mem reads an arbitrary length of arbitrarily aligned memory. |
| */ |
| QDF_STATUS hif_diag_read_access(struct hif_opaque_softc *hif_ctx, |
| uint32_t address, uint32_t *data); |
| QDF_STATUS hif_diag_read_mem(struct hif_opaque_softc *hif_ctx, uint32_t address, |
| uint8_t *data, int nbytes); |
| void hif_dump_target_memory(struct hif_opaque_softc *hif_ctx, |
| void *ramdump_base, uint32_t address, uint32_t size); |
| /* |
| * APIs to handle HIF specific diagnostic write accesses. These APIs are |
| * synchronous and only allowed to be called from a context that |
| * can block (sleep). |
| * They are not high performance APIs. |
| * |
| * hif_diag_write_access writes a 4 Byte aligned/length value to a |
| * Target register or memory word. |
| * |
| * hif_diag_write_mem writes an arbitrary length of arbitrarily aligned memory. |
| */ |
| QDF_STATUS hif_diag_write_access(struct hif_opaque_softc *hif_ctx, |
| uint32_t address, uint32_t data); |
| QDF_STATUS hif_diag_write_mem(struct hif_opaque_softc *hif_ctx, |
| uint32_t address, uint8_t *data, int nbytes); |
| |
| typedef void (*fastpath_msg_handler)(void *, qdf_nbuf_t *, uint32_t); |
| |
| void hif_enable_polled_mode(struct hif_opaque_softc *hif_ctx); |
| bool hif_is_polled_mode_enabled(struct hif_opaque_softc *hif_ctx); |
| |
| /* |
| * Set the FASTPATH_mode_on flag in sc, for use by data path |
| */ |
| #ifdef WLAN_FEATURE_FASTPATH |
| void hif_enable_fastpath(struct hif_opaque_softc *hif_ctx); |
| bool hif_is_fastpath_mode_enabled(struct hif_opaque_softc *hif_ctx); |
| void *hif_get_ce_handle(struct hif_opaque_softc *hif_ctx, int ret); |
| |
| /** |
| * hif_ce_fastpath_cb_register() - Register callback for fastpath msg handler |
| * @handler: Callback funtcion |
| * @context: handle for callback function |
| * |
| * Return: QDF_STATUS_SUCCESS on success or QDF_STATUS_E_FAILURE |
| */ |
| QDF_STATUS hif_ce_fastpath_cb_register( |
| struct hif_opaque_softc *hif_ctx, |
| fastpath_msg_handler handler, void *context); |
| #else |
| static inline QDF_STATUS hif_ce_fastpath_cb_register( |
| struct hif_opaque_softc *hif_ctx, |
| fastpath_msg_handler handler, void *context) |
| { |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| static inline void *hif_get_ce_handle(struct hif_opaque_softc *hif_ctx, int ret) |
| { |
| return NULL; |
| } |
| |
| #endif |
| |
| /* |
| * Enable/disable CDC max performance workaround |
| * For max-performace set this to 0 |
| * To allow SoC to enter sleep set this to 1 |
| */ |
| #define CONFIG_DISABLE_CDC_MAX_PERF_WAR 0 |
| |
| void hif_ipa_get_ce_resource(struct hif_opaque_softc *hif_ctx, |
| qdf_shared_mem_t **ce_sr, |
| uint32_t *ce_sr_ring_size, |
| qdf_dma_addr_t *ce_reg_paddr); |
| |
| /** |
| * @brief List of callbacks - filled in by HTC. |
| */ |
| struct hif_msg_callbacks { |
| void *Context; |
| /**< context meaningful to HTC */ |
| QDF_STATUS (*txCompletionHandler)(void *Context, qdf_nbuf_t wbuf, |
| uint32_t transferID, |
| uint32_t toeplitz_hash_result); |
| QDF_STATUS (*rxCompletionHandler)(void *Context, qdf_nbuf_t wbuf, |
| uint8_t pipeID); |
| void (*txResourceAvailHandler)(void *context, uint8_t pipe); |
| void (*fwEventHandler)(void *context, QDF_STATUS status); |
| void (*update_bundle_stats)(void *context, uint8_t no_of_pkt_in_bundle); |
| }; |
| |
| enum hif_target_status { |
| TARGET_STATUS_CONNECTED = 0, /* target connected */ |
| TARGET_STATUS_RESET, /* target got reset */ |
| TARGET_STATUS_EJECT, /* target got ejected */ |
| TARGET_STATUS_SUSPEND /*target got suspend */ |
| }; |
| |
| /** |
| * enum hif_attribute_flags: configure hif |
| * |
| * @HIF_LOWDESC_CE_CFG: Configure HIF with Low descriptor CE |
| * @HIF_LOWDESC_CE_NO_PKTLOG_CFG: Configure HIF with Low descriptor |
| * + No pktlog CE |
| */ |
| enum hif_attribute_flags { |
| HIF_LOWDESC_CE_CFG = 1, |
| HIF_LOWDESC_CE_NO_PKTLOG_CFG |
| }; |
| |
| #define HIF_DATA_ATTR_SET_TX_CLASSIFY(attr, v) \ |
| (attr |= (v & 0x01) << 5) |
| #define HIF_DATA_ATTR_SET_ENCAPSULATION_TYPE(attr, v) \ |
| (attr |= (v & 0x03) << 6) |
| #define HIF_DATA_ATTR_SET_ADDR_X_SEARCH_DISABLE(attr, v) \ |
| (attr |= (v & 0x01) << 13) |
| #define HIF_DATA_ATTR_SET_ADDR_Y_SEARCH_DISABLE(attr, v) \ |
| (attr |= (v & 0x01) << 14) |
| #define HIF_DATA_ATTR_SET_TOEPLITZ_HASH_ENABLE(attr, v) \ |
| (attr |= (v & 0x01) << 15) |
| #define HIF_DATA_ATTR_SET_PACKET_OR_RESULT_OFFSET(attr, v) \ |
| (attr |= (v & 0x0FFF) << 16) |
| #define HIF_DATA_ATTR_SET_ENABLE_11H(attr, v) \ |
| (attr |= (v & 0x01) << 30) |
| |
| struct hif_ul_pipe_info { |
| unsigned int nentries; |
| unsigned int nentries_mask; |
| unsigned int sw_index; |
| unsigned int write_index; /* cached copy */ |
| unsigned int hw_index; /* cached copy */ |
| void *base_addr_owner_space; /* Host address space */ |
| qdf_dma_addr_t base_addr_CE_space; /* CE address space */ |
| }; |
| |
| struct hif_dl_pipe_info { |
| unsigned int nentries; |
| unsigned int nentries_mask; |
| unsigned int sw_index; |
| unsigned int write_index; /* cached copy */ |
| unsigned int hw_index; /* cached copy */ |
| void *base_addr_owner_space; /* Host address space */ |
| qdf_dma_addr_t base_addr_CE_space; /* CE address space */ |
| }; |
| |
| struct hif_pipe_addl_info { |
| uint32_t pci_mem; |
| uint32_t ctrl_addr; |
| struct hif_ul_pipe_info ul_pipe; |
| struct hif_dl_pipe_info dl_pipe; |
| }; |
| |
| #ifdef CONFIG_SLUB_DEBUG_ON |
| #define MSG_FLUSH_NUM 16 |
| #else /* PERF build */ |
| #define MSG_FLUSH_NUM 32 |
| #endif /* SLUB_DEBUG_ON */ |
| |
| struct hif_bus_id; |
| |
| void hif_claim_device(struct hif_opaque_softc *hif_ctx); |
| QDF_STATUS hif_get_config_item(struct hif_opaque_softc *hif_ctx, |
| int opcode, void *config, uint32_t config_len); |
| void hif_set_mailbox_swap(struct hif_opaque_softc *hif_ctx); |
| void hif_mask_interrupt_call(struct hif_opaque_softc *hif_ctx); |
| void hif_post_init(struct hif_opaque_softc *hif_ctx, void *hHTC, |
| struct hif_msg_callbacks *callbacks); |
| QDF_STATUS hif_start(struct hif_opaque_softc *hif_ctx); |
| void hif_stop(struct hif_opaque_softc *hif_ctx); |
| void hif_flush_surprise_remove(struct hif_opaque_softc *hif_ctx); |
| void hif_dump(struct hif_opaque_softc *hif_ctx, uint8_t CmdId, bool start); |
| void hif_trigger_dump(struct hif_opaque_softc *hif_ctx, |
| uint8_t cmd_id, bool start); |
| |
| QDF_STATUS hif_send_head(struct hif_opaque_softc *hif_ctx, uint8_t PipeID, |
| uint32_t transferID, uint32_t nbytes, |
| qdf_nbuf_t wbuf, uint32_t data_attr); |
| void hif_send_complete_check(struct hif_opaque_softc *hif_ctx, uint8_t PipeID, |
| int force); |
| void hif_shut_down_device(struct hif_opaque_softc *hif_ctx); |
| void hif_get_default_pipe(struct hif_opaque_softc *hif_ctx, uint8_t *ULPipe, |
| uint8_t *DLPipe); |
| int hif_map_service_to_pipe(struct hif_opaque_softc *hif_ctx, uint16_t svc_id, |
| uint8_t *ul_pipe, uint8_t *dl_pipe, int *ul_is_polled, |
| int *dl_is_polled); |
| uint16_t |
| hif_get_free_queue_number(struct hif_opaque_softc *hif_ctx, uint8_t PipeID); |
| void *hif_get_targetdef(struct hif_opaque_softc *hif_ctx); |
| uint32_t hif_hia_item_address(uint32_t target_type, uint32_t item_offset); |
| void hif_set_target_sleep(struct hif_opaque_softc *hif_ctx, bool sleep_ok, |
| bool wait_for_it); |
| int hif_check_fw_reg(struct hif_opaque_softc *hif_ctx); |
| #ifndef HIF_PCI |
| static inline int hif_check_soc_status(struct hif_opaque_softc *hif_ctx) |
| { |
| return 0; |
| } |
| #else |
| int hif_check_soc_status(struct hif_opaque_softc *hif_ctx); |
| #endif |
| void hif_get_hw_info(struct hif_opaque_softc *hif_ctx, u32 *version, |
| u32 *revision, const char **target_name); |
| |
| #ifdef RECEIVE_OFFLOAD |
| /** |
| * hif_offld_flush_cb_register() - Register the offld flush callback |
| * @scn: HIF opaque context |
| * @offld_flush_handler: Flush callback is either ol_flush, incase of rx_thread |
| * Or GRO/LRO flush when RxThread is not enabled. Called |
| * with corresponding context for flush. |
| * Return: None |
| */ |
| void hif_offld_flush_cb_register(struct hif_opaque_softc *scn, |
| void (offld_flush_handler)(void *ol_ctx)); |
| |
| /** |
| * hif_offld_flush_cb_deregister() - deRegister the offld flush callback |
| * @scn: HIF opaque context |
| * |
| * Return: None |
| */ |
| void hif_offld_flush_cb_deregister(struct hif_opaque_softc *scn); |
| #endif |
| |
| #ifdef WLAN_FEATURE_RX_SOFTIRQ_TIME_LIMIT |
| /** |
| * hif_exec_should_yield() - Check if hif napi context should yield |
| * @hif_ctx - HIF opaque context |
| * @grp_id - grp_id of the napi for which check needs to be done |
| * |
| * The function uses grp_id to look for NAPI and checks if NAPI needs to |
| * yield. HIF_EXT_GROUP_MAX_YIELD_DURATION_NS is the duration used for |
| * yield decision. |
| * |
| * Return: true if NAPI needs to yield, else false |
| */ |
| bool hif_exec_should_yield(struct hif_opaque_softc *hif_ctx, uint grp_id); |
| #else |
| static inline bool hif_exec_should_yield(struct hif_opaque_softc *hif_ctx, |
| uint grp_id) |
| { |
| return false; |
| } |
| #endif |
| |
| void hif_disable_isr(struct hif_opaque_softc *hif_ctx); |
| void hif_reset_soc(struct hif_opaque_softc *hif_ctx); |
| void hif_save_htc_htt_config_endpoint(struct hif_opaque_softc *hif_ctx, |
| int htc_htt_tx_endpoint); |
| |
| /** |
| * hif_open() - Create hif handle |
| * @qdf_ctx: qdf context |
| * @mode: Driver Mode |
| * @bus_type: Bus Type |
| * @cbk: CDS Callbacks |
| * @psoc: psoc object manager |
| * |
| * API to open HIF Context |
| * |
| * Return: HIF Opaque Pointer |
| */ |
| struct hif_opaque_softc *hif_open(qdf_device_t qdf_ctx, |
| uint32_t mode, |
| enum qdf_bus_type bus_type, |
| struct hif_driver_state_callbacks *cbk, |
| struct wlan_objmgr_psoc *psoc); |
| |
| /** |
| * hif_init_dma_mask() - Set dma mask for the dev |
| * @dev: dev for which DMA mask is to be set |
| * @bus_type: bus type for the target |
| * |
| * This API sets the DMA mask for the device. before the datapath |
| * memory pre-allocation is done. If the DMA mask is not set before |
| * requesting the DMA memory, kernel defaults to a 32-bit DMA mask, |
| * and does not utilize the full device capability. |
| * |
| * Return: 0 - success, non-zero on failure. |
| */ |
| int hif_init_dma_mask(struct device *dev, enum qdf_bus_type bus_type); |
| void hif_close(struct hif_opaque_softc *hif_ctx); |
| QDF_STATUS hif_enable(struct hif_opaque_softc *hif_ctx, struct device *dev, |
| void *bdev, const struct hif_bus_id *bid, |
| enum qdf_bus_type bus_type, |
| enum hif_enable_type type); |
| void hif_disable(struct hif_opaque_softc *hif_ctx, enum hif_disable_type type); |
| #ifdef CE_TASKLET_DEBUG_ENABLE |
| void hif_enable_ce_latency_stats(struct hif_opaque_softc *hif_ctx, |
| uint8_t value); |
| #endif |
| void hif_display_stats(struct hif_opaque_softc *hif_ctx); |
| void hif_clear_stats(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * enum hif_pm_wake_irq_type - Wake interrupt type for Power Management |
| * HIF_PM_INVALID_WAKE: Wake irq is invalid or not configured |
| * HIF_PM_MSI_WAKE: Wake irq is MSI interrupt |
| * HIF_PM_CE_WAKE: Wake irq is CE interrupt |
| */ |
| typedef enum { |
| HIF_PM_INVALID_WAKE, |
| HIF_PM_MSI_WAKE, |
| HIF_PM_CE_WAKE, |
| } hif_pm_wake_irq_type; |
| |
| /** |
| * hif_pm_get_wake_irq_type - Get wake irq type for Power Management |
| * @hif_ctx: HIF context |
| * |
| * Return: enum hif_pm_wake_irq_type |
| */ |
| hif_pm_wake_irq_type hif_pm_get_wake_irq_type(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * enum wlan_rtpm_dbgid - runtime pm put/get debug id |
| * @RTPM_ID_RESVERD: Reserved |
| * @RTPM_ID_WMI: WMI sending msg, expect put happen at |
| * tx completion from CE level directly. |
| * @RTPM_ID_HTC: pkt sending by HTT_DATA_MSG_SVC, expect |
| * put from fw response or just in |
| * htc_issue_packets |
| * @RTPM_ID_QOS_NOTIFY: pm qos notifer |
| * @RTPM_ID_DP_TX_DESC_ALLOC_FREE: tx desc alloc/free |
| * @RTPM_ID_CE_SEND_FAST: operation in ce_send_fast, not include |
| * the pkt put happens outside this function |
| * @RTPM_ID_SUSPEND_RESUME: suspend/resume in hdd |
| * @RTPM_ID_DW_TX_HW_ENQUEUE: operation in functin dp_tx_hw_enqueue |
| * @RTPM_ID_HAL_REO_CMD: HAL_REO_CMD operation |
| * @RTPM_ID_DP_PRINT_RING_STATS: operation in dp_print_ring_stats |
| * @RTPM_ID_PM_STOP: operation in hif_pm_runtime_stop |
| * @RTPM_ID_CONN_DISCONNECT:operation when issue disconnect |
| * @RTPM_ID_SOC_REMOVE: operation in soc remove |
| * @RTPM_ID_DRIVER_UNLOAD: operation in driver unload |
| * @RTPM_ID_CE_INTR_HANDLER: operation from ce interrupt handler |
| * @RTPM_ID_WAKE_INTR_HANDLER: operation from wake interrupt handler |
| * @RTPM_ID_SOC_IDLE_SHUTDOWN: operation in soc idle shutdown |
| * @RTPM_ID_HIF_FORCE_WAKE: operation in hif force wake |
| */ |
| /* New value added to the enum must also be reflected in function |
| * rtpm_string_from_dbgid() |
| */ |
| typedef enum { |
| RTPM_ID_RESVERD = 0, |
| RTPM_ID_WMI, |
| RTPM_ID_HTC, |
| RTPM_ID_QOS_NOTIFY, |
| RTPM_ID_DP_TX_DESC_ALLOC_FREE, |
| RTPM_ID_CE_SEND_FAST, |
| RTPM_ID_SUSPEND_RESUME, |
| RTPM_ID_DW_TX_HW_ENQUEUE, |
| RTPM_ID_HAL_REO_CMD, |
| RTPM_ID_DP_PRINT_RING_STATS, |
| RTPM_ID_PM_STOP, |
| RTPM_ID_CONN_DISCONNECT, |
| RTPM_ID_SOC_REMOVE, |
| RTPM_ID_DRIVER_UNLOAD, |
| RTPM_ID_CE_INTR_HANDLER, |
| RTPM_ID_WAKE_INTR_HANDLER, |
| RTPM_ID_SOC_IDLE_SHUTDOWN, |
| RTPM_ID_HIF_FORCE_WAKE, |
| |
| RTPM_ID_MAX, |
| } wlan_rtpm_dbgid; |
| |
| /** |
| * rtpm_string_from_dbgid() - Convert dbgid to respective string |
| * @id - debug id |
| * |
| * Debug support function to convert dbgid to string. |
| * Please note to add new string in the array at index equal to |
| * its enum value in wlan_rtpm_dbgid. |
| */ |
| static inline char *rtpm_string_from_dbgid(wlan_rtpm_dbgid id) |
| { |
| static const char *strings[] = { "RTPM_ID_RESVERD", |
| "RTPM_ID_WMI", |
| "RTPM_ID_HTC", |
| "RTPM_ID_QOS_NOTIFY", |
| "RTPM_ID_DP_TX_DESC_ALLOC_FREE", |
| "RTPM_ID_CE_SEND_FAST", |
| "RTPM_ID_SUSPEND_RESUME", |
| "RTPM_ID_DW_TX_HW_ENQUEUE", |
| "RTPM_ID_HAL_REO_CMD", |
| "RTPM_ID_DP_PRINT_RING_STATS", |
| "RTPM_ID_PM_STOP", |
| "RTPM_ID_CONN_DISCONNECT", |
| "RTPM_ID_SOC_REMOVE", |
| "RTPM_ID_DRIVER_UNLOAD", |
| "RTPM_ID_CE_INTR_HANDLER", |
| "RTPM_ID_WAKE_INTR_HANDLER", |
| "RTPM_ID_SOC_IDLE_SHUTDOWN", |
| "RTPM_ID_MAX"}; |
| |
| return (char *)strings[id]; |
| } |
| |
| /** |
| * enum hif_ep_vote_type - hif ep vote type |
| * HIF_EP_VOTE_DP_ACCESS: vote type is specific DP |
| * HIF_EP_VOTE_NONDP_ACCESS: ep vote for over all access |
| */ |
| enum hif_ep_vote_type { |
| HIF_EP_VOTE_DP_ACCESS, |
| HIF_EP_VOTE_NONDP_ACCESS |
| }; |
| |
| /** |
| * enum hif_ep_vote_access - hif ep vote access |
| * HIF_EP_VOTE_ACCESS_ENABLE: Enable ep voting |
| * HIF_EP_VOTE_INTERMEDIATE_ACCESS: allow during transistion |
| * HIF_EP_VOTE_ACCESS_DISABLE: disable ep voting |
| */ |
| enum hif_ep_vote_access { |
| HIF_EP_VOTE_ACCESS_ENABLE, |
| HIF_EP_VOTE_INTERMEDIATE_ACCESS, |
| HIF_EP_VOTE_ACCESS_DISABLE |
| }; |
| |
| /** |
| * enum hif_pm_link_state - hif link state |
| * HIF_PM_LINK_STATE_DOWN: hif link state is down |
| * HIF_PM_LINK_STATE_UP: hif link state is up |
| */ |
| enum hif_pm_link_state { |
| HIF_PM_LINK_STATE_DOWN, |
| HIF_PM_LINK_STATE_UP |
| }; |
| |
| /** |
| * enum hif_pm_htc_stats - hif runtime PM stats for HTC layer |
| * HIF_PM_HTC_STATS_GET_HTT_RESPONSE: PM stats for RTPM GET for HTT packets |
| with response |
| * HIF_PM_HTC_STATS_GET_HTT_NO_RESPONSE: PM stats for RTPM GET for HTT packets |
| with no response |
| * HIF_PM_HTC_STATS_PUT_HTT_RESPONSE: PM stats for RTPM PUT for HTT packets |
| with response |
| * HIF_PM_HTC_STATS_PUT_HTT_NO_RESPONSE: PM stats for RTPM PUT for HTT packets |
| with no response |
| * HIF_PM_HTC_STATS_PUT_HTT_ERROR: PM stats for RTPM PUT for failed HTT packets |
| * HIF_PM_HTC_STATS_PUT_HTC_CLEANUP: PM stats for RTPM PUT during HTC cleanup |
| * HIF_PM_HTC_STATS_GET_HTC_KICK_QUEUES: PM stats for RTPM GET done during |
| * htc_kick_queues() |
| * HIF_PM_HTC_STATS_PUT_HTC_KICK_QUEUES: PM stats for RTPM PUT done during |
| * htc_kick_queues() |
| * HIF_PM_HTC_STATS_GET_HTT_FETCH_PKTS: PM stats for RTPM GET while fetching |
| * HTT packets from endpoint TX queue |
| * HIF_PM_HTC_STATS_PUT_HTT_FETCH_PKTS: PM stats for RTPM PUT while fetching |
| * HTT packets from endpoint TX queue |
| */ |
| enum hif_pm_htc_stats { |
| HIF_PM_HTC_STATS_GET_HTT_RESPONSE, |
| HIF_PM_HTC_STATS_GET_HTT_NO_RESPONSE, |
| HIF_PM_HTC_STATS_PUT_HTT_RESPONSE, |
| HIF_PM_HTC_STATS_PUT_HTT_NO_RESPONSE, |
| HIF_PM_HTC_STATS_PUT_HTT_ERROR, |
| HIF_PM_HTC_STATS_PUT_HTC_CLEANUP, |
| HIF_PM_HTC_STATS_GET_HTC_KICK_QUEUES, |
| HIF_PM_HTC_STATS_PUT_HTC_KICK_QUEUES, |
| HIF_PM_HTC_STATS_GET_HTT_FETCH_PKTS, |
| HIF_PM_HTC_STATS_PUT_HTT_FETCH_PKTS, |
| }; |
| |
| #ifdef FEATURE_RUNTIME_PM |
| struct hif_pm_runtime_lock; |
| |
| void hif_fastpath_resume(struct hif_opaque_softc *hif_ctx); |
| int hif_pm_runtime_get_sync(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid); |
| int hif_pm_runtime_put_sync_suspend(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid); |
| int hif_pm_runtime_request_resume(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid); |
| int hif_pm_runtime_get(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid, |
| bool is_critical_ctx); |
| void hif_pm_runtime_get_noresume(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid); |
| int hif_pm_runtime_put(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid); |
| int hif_pm_runtime_put_noidle(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid); |
| void hif_pm_runtime_mark_last_busy(struct hif_opaque_softc *hif_ctx); |
| int hif_runtime_lock_init(qdf_runtime_lock_t *lock, const char *name); |
| void hif_runtime_lock_deinit(struct hif_opaque_softc *hif_ctx, |
| struct hif_pm_runtime_lock *lock); |
| int hif_pm_runtime_prevent_suspend(struct hif_opaque_softc *ol_sc, |
| struct hif_pm_runtime_lock *lock); |
| int hif_pm_runtime_allow_suspend(struct hif_opaque_softc *ol_sc, |
| struct hif_pm_runtime_lock *lock); |
| bool hif_pm_runtime_is_suspended(struct hif_opaque_softc *hif_ctx); |
| void hif_pm_runtime_suspend_lock(struct hif_opaque_softc *hif_ctx); |
| void hif_pm_runtime_suspend_unlock(struct hif_opaque_softc *hif_ctx); |
| int hif_pm_runtime_get_monitor_wake_intr(struct hif_opaque_softc *hif_ctx); |
| void hif_pm_runtime_set_monitor_wake_intr(struct hif_opaque_softc *hif_ctx, |
| int val); |
| void hif_pm_runtime_check_and_request_resume(struct hif_opaque_softc *hif_ctx); |
| void hif_pm_runtime_mark_dp_rx_busy(struct hif_opaque_softc *hif_ctx); |
| int hif_pm_runtime_is_dp_rx_busy(struct hif_opaque_softc *hif_ctx); |
| qdf_time_t hif_pm_runtime_get_dp_rx_busy_mark(struct hif_opaque_softc *hif_ctx); |
| int hif_pm_runtime_sync_resume(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid); |
| void hif_pm_runtime_update_stats(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid, |
| enum hif_pm_htc_stats stats); |
| |
| /** |
| * hif_pm_set_link_state() - set link state during RTPM |
| * @hif_sc: HIF Context |
| * |
| * Return: None |
| */ |
| void hif_pm_set_link_state(struct hif_opaque_softc *hif_handle, uint8_t val); |
| |
| /** |
| * hif_is_link_state_up() - Is link state up |
| * @hif_sc: HIF Context |
| * |
| * Return: 1 link is up, 0 link is down |
| */ |
| uint8_t hif_pm_get_link_state(struct hif_opaque_softc *hif_handle); |
| |
| /** |
| * hif_pm_runtime_set_delay() - Set delay to trigger RTPM suspend |
| * @hif_sc: HIF Context |
| * @delay: delay in ms to be set |
| * |
| * Return: Success if delay is set successfully |
| */ |
| QDF_STATUS hif_pm_runtime_set_delay(struct hif_opaque_softc *hif_ctx, |
| int delay); |
| |
| /** |
| * hif_pm_runtime_restore_delay() - Restore delay value to default value |
| * |
| * Return: Success if reset done. E_ALREADY if delay same as config value |
| */ |
| QDF_STATUS hif_pm_runtime_restore_delay(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_pm_runtime_get_delay() -Get delay to trigger RTPM suspend |
| * |
| * Return: Delay in ms |
| */ |
| int hif_pm_runtime_get_delay(struct hif_opaque_softc *hif_ctx); |
| |
| #else |
| struct hif_pm_runtime_lock { |
| const char *name; |
| }; |
| static inline void hif_fastpath_resume(struct hif_opaque_softc *hif_ctx) {} |
| static inline int |
| hif_pm_runtime_get_sync(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid) |
| { return 0; } |
| static inline int |
| hif_pm_runtime_put_sync_suspend(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid) |
| { return 0; } |
| static inline int |
| hif_pm_runtime_request_resume(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid) |
| { return 0; } |
| static inline void |
| hif_pm_runtime_get_noresume(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid) |
| {} |
| |
| static inline int |
| hif_pm_runtime_get(struct hif_opaque_softc *hif_ctx, wlan_rtpm_dbgid rtpm_dbgid, |
| bool is_critical_ctx) |
| { return 0; } |
| static inline int |
| hif_pm_runtime_put(struct hif_opaque_softc *hif_ctx, wlan_rtpm_dbgid rtpm_dbgid) |
| { return 0; } |
| static inline int |
| hif_pm_runtime_put_noidle(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid) |
| { return 0; } |
| static inline void |
| hif_pm_runtime_mark_last_busy(struct hif_opaque_softc *hif_ctx) {}; |
| static inline int hif_runtime_lock_init(qdf_runtime_lock_t *lock, |
| const char *name) |
| { return 0; } |
| static inline void |
| hif_runtime_lock_deinit(struct hif_opaque_softc *hif_ctx, |
| struct hif_pm_runtime_lock *lock) {} |
| |
| static inline int hif_pm_runtime_prevent_suspend(struct hif_opaque_softc *ol_sc, |
| struct hif_pm_runtime_lock *lock) |
| { return 0; } |
| static inline int hif_pm_runtime_allow_suspend(struct hif_opaque_softc *ol_sc, |
| struct hif_pm_runtime_lock *lock) |
| { return 0; } |
| static inline bool hif_pm_runtime_is_suspended(struct hif_opaque_softc *hif_ctx) |
| { return false; } |
| static inline void |
| hif_pm_runtime_suspend_lock(struct hif_opaque_softc *hif_ctx) |
| { return; } |
| static inline void |
| hif_pm_runtime_suspend_unlock(struct hif_opaque_softc *hif_ctx) |
| { return; } |
| static inline int |
| hif_pm_runtime_get_monitor_wake_intr(struct hif_opaque_softc *hif_ctx) |
| { return 0; } |
| static inline void |
| hif_pm_runtime_set_monitor_wake_intr(struct hif_opaque_softc *hif_ctx, int val) |
| { return; } |
| static inline void |
| hif_pm_runtime_check_and_request_resume(struct hif_opaque_softc *hif_ctx) |
| { return; } |
| static inline void |
| hif_pm_runtime_mark_dp_rx_busy(struct hif_opaque_softc *hif_ctx) {}; |
| static inline int |
| hif_pm_runtime_is_dp_rx_busy(struct hif_opaque_softc *hif_ctx) |
| { return 0; } |
| static inline qdf_time_t |
| hif_pm_runtime_get_dp_rx_busy_mark(struct hif_opaque_softc *hif_ctx) |
| { return 0; } |
| static inline int hif_pm_runtime_sync_resume(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid) |
| { return 0; } |
| static inline |
| void hif_pm_set_link_state(struct hif_opaque_softc *hif_handle, uint8_t val) |
| {} |
| |
| static inline |
| void hif_pm_runtime_update_stats(struct hif_opaque_softc *hif_ctx, |
| wlan_rtpm_dbgid rtpm_dbgid, |
| enum hif_pm_htc_stats stats) |
| {} |
| |
| static inline |
| QDF_STATUS hif_pm_runtime_set_delay(struct hif_opaque_softc *hif_ctx, int delay) |
| { return QDF_STATUS_SUCCESS; } |
| |
| static inline |
| QDF_STATUS hif_pm_runtime_restore_delay(struct hif_opaque_softc *hif_ctx) |
| { return QDF_STATUS_SUCCESS; } |
| |
| static inline |
| int hif_pm_runtime_get_delay(struct hif_opaque_softc *hif_ctx) |
| { return 0; } |
| #endif |
| |
| void hif_enable_power_management(struct hif_opaque_softc *hif_ctx, |
| bool is_packet_log_enabled); |
| void hif_disable_power_management(struct hif_opaque_softc *hif_ctx); |
| |
| void hif_vote_link_down(struct hif_opaque_softc *hif_ctx); |
| void hif_vote_link_up(struct hif_opaque_softc *hif_ctx); |
| bool hif_can_suspend_link(struct hif_opaque_softc *hif_ctx); |
| |
| #ifdef IPA_OFFLOAD |
| /** |
| * hif_get_ipa_hw_type() - get IPA hw type |
| * |
| * This API return the IPA hw type. |
| * |
| * Return: IPA hw type |
| */ |
| static inline |
| enum ipa_hw_type hif_get_ipa_hw_type(void) |
| { |
| return ipa_get_hw_type(); |
| } |
| |
| /** |
| * hif_get_ipa_present() - get IPA hw status |
| * |
| * This API return the IPA hw status. |
| * |
| * Return: true if IPA is present or false otherwise |
| */ |
| static inline |
| bool hif_get_ipa_present(void) |
| { |
| if (ipa_uc_reg_rdyCB(NULL) != -EPERM) |
| return true; |
| else |
| return false; |
| } |
| #endif |
| int hif_bus_resume(struct hif_opaque_softc *hif_ctx); |
| /** |
| * hif_bus_ealry_suspend() - stop non wmi tx traffic |
| * @context: hif context |
| */ |
| int hif_bus_early_suspend(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_bus_late_resume() - resume non wmi traffic |
| * @context: hif context |
| */ |
| int hif_bus_late_resume(struct hif_opaque_softc *hif_ctx); |
| int hif_bus_suspend(struct hif_opaque_softc *hif_ctx); |
| int hif_bus_resume_noirq(struct hif_opaque_softc *hif_ctx); |
| int hif_bus_suspend_noirq(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_apps_irqs_enable() - Enables all irqs from the APPS side |
| * @hif_ctx: an opaque HIF handle to use |
| * |
| * As opposed to the standard hif_irq_enable, this function always applies to |
| * the APPS side kernel interrupt handling. |
| * |
| * Return: errno |
| */ |
| int hif_apps_irqs_enable(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_apps_irqs_disable() - Disables all irqs from the APPS side |
| * @hif_ctx: an opaque HIF handle to use |
| * |
| * As opposed to the standard hif_irq_disable, this function always applies to |
| * the APPS side kernel interrupt handling. |
| * |
| * Return: errno |
| */ |
| int hif_apps_irqs_disable(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_apps_wake_irq_enable() - Enables the wake irq from the APPS side |
| * @hif_ctx: an opaque HIF handle to use |
| * |
| * As opposed to the standard hif_irq_enable, this function always applies to |
| * the APPS side kernel interrupt handling. |
| * |
| * Return: errno |
| */ |
| int hif_apps_wake_irq_enable(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_apps_wake_irq_disable() - Disables the wake irq from the APPS side |
| * @hif_ctx: an opaque HIF handle to use |
| * |
| * As opposed to the standard hif_irq_disable, this function always applies to |
| * the APPS side kernel interrupt handling. |
| * |
| * Return: errno |
| */ |
| int hif_apps_wake_irq_disable(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_apps_enable_irq_wake() - Enables the irq wake from the APPS side |
| * @hif_ctx: an opaque HIF handle to use |
| * |
| * This function always applies to the APPS side kernel interrupt handling |
| * to wake the system from suspend. |
| * |
| * Return: errno |
| */ |
| int hif_apps_enable_irq_wake(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_apps_disable_irq_wake() - Disables the wake irq from the APPS side |
| * @hif_ctx: an opaque HIF handle to use |
| * |
| * This function always applies to the APPS side kernel interrupt handling |
| * to disable the wake irq. |
| * |
| * Return: errno |
| */ |
| int hif_apps_disable_irq_wake(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_apps_enable_irqs_except_wake_irq() - Enables all irqs except wake_irq |
| * @hif_ctx: an opaque HIF handle to use |
| * |
| * As opposed to the standard hif_irq_enable, this function always applies to |
| * the APPS side kernel interrupt handling. |
| * |
| * Return: errno |
| */ |
| int hif_apps_enable_irqs_except_wake_irq(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_apps_disable_irqs_except_wake_irq() - Disables all irqs except wake_irq |
| * @hif_ctx: an opaque HIF handle to use |
| * |
| * As opposed to the standard hif_irq_disable, this function always applies to |
| * the APPS side kernel interrupt handling. |
| * |
| * Return: errno |
| */ |
| int hif_apps_disable_irqs_except_wake_irq(struct hif_opaque_softc *hif_ctx); |
| |
| #ifdef FEATURE_RUNTIME_PM |
| void hif_print_runtime_pm_prevent_list(struct hif_opaque_softc *hif_ctx); |
| int hif_pre_runtime_suspend(struct hif_opaque_softc *hif_ctx); |
| void hif_pre_runtime_resume(struct hif_opaque_softc *hif_ctx); |
| int hif_runtime_suspend(struct hif_opaque_softc *hif_ctx); |
| int hif_runtime_resume(struct hif_opaque_softc *hif_ctx); |
| void hif_process_runtime_suspend_success(struct hif_opaque_softc *hif_ctx); |
| void hif_process_runtime_suspend_failure(struct hif_opaque_softc *hif_ctx); |
| void hif_process_runtime_resume_success(struct hif_opaque_softc *hif_ctx); |
| #else |
| static inline void |
| hif_print_runtime_pm_prevent_list(struct hif_opaque_softc *hif_ctx) |
| {} |
| #endif |
| |
| int hif_get_irq_num(struct hif_opaque_softc *scn, int *irq, uint32_t size); |
| int hif_dump_registers(struct hif_opaque_softc *scn); |
| int ol_copy_ramdump(struct hif_opaque_softc *scn); |
| void hif_crash_shutdown(struct hif_opaque_softc *hif_ctx); |
| void hif_get_hw_info(struct hif_opaque_softc *hif_ctx, u32 *version, |
| u32 *revision, const char **target_name); |
| enum qdf_bus_type hif_get_bus_type(struct hif_opaque_softc *hif_hdl); |
| struct hif_target_info *hif_get_target_info_handle(struct hif_opaque_softc * |
| scn); |
| struct hif_config_info *hif_get_ini_handle(struct hif_opaque_softc *hif_ctx); |
| struct ramdump_info *hif_get_ramdump_ctx(struct hif_opaque_softc *hif_ctx); |
| enum hif_target_status hif_get_target_status(struct hif_opaque_softc *hif_ctx); |
| void hif_set_target_status(struct hif_opaque_softc *hif_ctx, enum |
| hif_target_status); |
| void hif_init_ini_config(struct hif_opaque_softc *hif_ctx, |
| struct hif_config_info *cfg); |
| void hif_update_tx_ring(struct hif_opaque_softc *osc, u_int32_t num_htt_cmpls); |
| qdf_nbuf_t hif_batch_send(struct hif_opaque_softc *osc, qdf_nbuf_t msdu, |
| uint32_t transfer_id, u_int32_t len, uint32_t sendhead); |
| QDF_STATUS hif_send_single(struct hif_opaque_softc *osc, qdf_nbuf_t msdu, |
| uint32_t transfer_id, u_int32_t len); |
| int hif_send_fast(struct hif_opaque_softc *osc, qdf_nbuf_t nbuf, |
| uint32_t transfer_id, uint32_t download_len); |
| void hif_pkt_dl_len_set(void *hif_sc, unsigned int pkt_download_len); |
| void hif_ce_war_disable(void); |
| void hif_ce_war_enable(void); |
| void hif_disable_interrupt(struct hif_opaque_softc *osc, uint32_t pipe_num); |
| #ifdef QCA_NSS_WIFI_OFFLOAD_SUPPORT |
| struct hif_pipe_addl_info *hif_get_addl_pipe_info(struct hif_opaque_softc *osc, |
| struct hif_pipe_addl_info *hif_info, uint32_t pipe_number); |
| uint32_t hif_set_nss_wifiol_mode(struct hif_opaque_softc *osc, |
| uint32_t pipe_num); |
| int32_t hif_get_nss_wifiol_bypass_nw_process(struct hif_opaque_softc *osc); |
| #endif /* QCA_NSS_WIFI_OFFLOAD_SUPPORT */ |
| |
| void hif_set_bundle_mode(struct hif_opaque_softc *hif_ctx, bool enabled, |
| int rx_bundle_cnt); |
| int hif_bus_reset_resume(struct hif_opaque_softc *hif_ctx); |
| |
| void hif_set_attribute(struct hif_opaque_softc *osc, uint8_t hif_attrib); |
| |
| void *hif_get_lro_info(int ctx_id, struct hif_opaque_softc *hif_hdl); |
| |
| enum hif_exec_type { |
| HIF_EXEC_NAPI_TYPE, |
| HIF_EXEC_TASKLET_TYPE, |
| }; |
| |
| typedef uint32_t (*ext_intr_handler)(void *, uint32_t); |
| |
| /** |
| * hif_get_int_ctx_irq_num() - retrieve an irq num for an interrupt context id |
| * @softc: hif opaque context owning the exec context |
| * @id: the id of the interrupt context |
| * |
| * Return: IRQ number of the first (zero'th) IRQ within the interrupt context ID |
| * 'id' registered with the OS |
| */ |
| int32_t hif_get_int_ctx_irq_num(struct hif_opaque_softc *softc, |
| uint8_t id); |
| |
| /** |
| * hif_configure_ext_group_interrupts() - Congigure ext group intrrupts |
| * @hif_ctx: hif opaque context |
| * |
| * Return: QDF_STATUS |
| */ |
| QDF_STATUS hif_configure_ext_group_interrupts(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_deconfigure_ext_group_interrupts() - Deconfigure ext group intrrupts |
| * @hif_ctx: hif opaque context |
| * |
| * Return: None |
| */ |
| void hif_deconfigure_ext_group_interrupts(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_register_ext_group() - API to register external group |
| * interrupt handler. |
| * @hif_ctx : HIF Context |
| * @numirq: number of irq's in the group |
| * @irq: array of irq values |
| * @handler: callback interrupt handler function |
| * @cb_ctx: context to passed in callback |
| * @type: napi vs tasklet |
| * |
| * Return: QDF_STATUS |
| */ |
| QDF_STATUS hif_register_ext_group(struct hif_opaque_softc *hif_ctx, |
| uint32_t numirq, uint32_t irq[], |
| ext_intr_handler handler, |
| void *cb_ctx, const char *context_name, |
| enum hif_exec_type type, uint32_t scale); |
| |
| void hif_deregister_exec_group(struct hif_opaque_softc *hif_ctx, |
| const char *context_name); |
| |
| void hif_update_pipe_callback(struct hif_opaque_softc *osc, |
| u_int8_t pipeid, |
| struct hif_msg_callbacks *callbacks); |
| |
| /** |
| * hif_print_napi_stats() - Display HIF NAPI stats |
| * @hif_ctx - HIF opaque context |
| * |
| * Return: None |
| */ |
| void hif_print_napi_stats(struct hif_opaque_softc *hif_ctx); |
| |
| /* hif_clear_napi_stats() - function clears the stats of the |
| * latency when called. |
| * @hif_ctx - the HIF context to assign the callback to |
| * |
| * Return: None |
| */ |
| void hif_clear_napi_stats(struct hif_opaque_softc *hif_ctx); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #ifdef FORCE_WAKE |
| /** |
| * hif_force_wake_request() - Function to wake from power collapse |
| * @handle: HIF opaque handle |
| * |
| * Description: API to check if the device is awake or not before |
| * read/write to BAR + 4K registers. If device is awake return |
| * success otherwise write '1' to |
| * PCIE_PCIE_LOCAL_REG_PCIE_SOC_WAKE_PCIE_LOCAL_REG which will interrupt |
| * the device and does wakeup the PCI and MHI within 50ms |
| * and then the device writes a value to |
| * PCIE_SOC_PCIE_REG_PCIE_SCRATCH_0_SOC_PCIE_REG to complete the |
| * handshake process to let the host know the device is awake. |
| * |
| * Return: zero - success/non-zero - failure |
| */ |
| int hif_force_wake_request(struct hif_opaque_softc *handle); |
| |
| /** |
| * hif_force_wake_release() - API to release/reset the SOC wake register |
| * from interrupting the device. |
| * @handle: HIF opaque handle |
| * |
| * Description: API to set the |
| * PCIE_PCIE_LOCAL_REG_PCIE_SOC_WAKE_PCIE_LOCAL_REG to '0' |
| * to release the interrupt line. |
| * |
| * Return: zero - success/non-zero - failure |
| */ |
| int hif_force_wake_release(struct hif_opaque_softc *handle); |
| #else |
| static inline |
| int hif_force_wake_request(struct hif_opaque_softc *handle) |
| { |
| return 0; |
| } |
| |
| static inline |
| int hif_force_wake_release(struct hif_opaque_softc *handle) |
| { |
| return 0; |
| } |
| #endif /* FORCE_WAKE */ |
| |
| #ifdef FEATURE_HAL_DELAYED_REG_WRITE |
| /** |
| * hif_prevent_link_low_power_states() - Prevent from going to low power states |
| * @hif - HIF opaque context |
| * |
| * Return: 0 on success. Error code on failure. |
| */ |
| int hif_prevent_link_low_power_states(struct hif_opaque_softc *hif); |
| |
| /** |
| * hif_allow_link_low_power_states() - Allow link to go to low power states |
| * @hif - HIF opaque context |
| * |
| * Return: None |
| */ |
| void hif_allow_link_low_power_states(struct hif_opaque_softc *hif); |
| |
| #else |
| |
| static inline |
| int hif_prevent_link_low_power_states(struct hif_opaque_softc *hif) |
| { |
| return 0; |
| } |
| |
| static inline |
| void hif_allow_link_low_power_states(struct hif_opaque_softc *hif) |
| { |
| } |
| #endif |
| |
| void *hif_get_dev_ba(struct hif_opaque_softc *hif_handle); |
| void *hif_get_dev_ba_ce(struct hif_opaque_softc *hif_handle); |
| |
| /** |
| * hif_set_initial_wakeup_cb() - set the initial wakeup event handler function |
| * @hif_ctx - the HIF context to assign the callback to |
| * @callback - the callback to assign |
| * @priv - the private data to pass to the callback when invoked |
| * |
| * Return: None |
| */ |
| void hif_set_initial_wakeup_cb(struct hif_opaque_softc *hif_ctx, |
| void (*callback)(void *), |
| void *priv); |
| /* |
| * Note: For MCL, #if defined (HIF_CONFIG_SLUB_DEBUG_ON) needs to be checked |
| * for defined here |
| */ |
| #if defined(HIF_CONFIG_SLUB_DEBUG_ON) || defined(HIF_CE_DEBUG_DATA_BUF) |
| ssize_t hif_dump_desc_trace_buf(struct device *dev, |
| struct device_attribute *attr, char *buf); |
| ssize_t hif_input_desc_trace_buf_index(struct hif_softc *scn, |
| const char *buf, size_t size); |
| ssize_t hif_ce_en_desc_hist(struct hif_softc *scn, |
| const char *buf, size_t size); |
| ssize_t hif_disp_ce_enable_desc_data_hist(struct hif_softc *scn, char *buf); |
| ssize_t hif_dump_desc_event(struct hif_softc *scn, char *buf); |
| #endif/*#if defined(HIF_CONFIG_SLUB_DEBUG_ON)||defined(HIF_CE_DEBUG_DATA_BUF)*/ |
| |
| /** |
| * hif_set_ce_service_max_yield_time() - sets CE service max yield time |
| * @hif: hif context |
| * @ce_service_max_yield_time: CE service max yield time to set |
| * |
| * This API storess CE service max yield time in hif context based |
| * on ini value. |
| * |
| * Return: void |
| */ |
| void hif_set_ce_service_max_yield_time(struct hif_opaque_softc *hif, |
| uint32_t ce_service_max_yield_time); |
| |
| /** |
| * hif_get_ce_service_max_yield_time() - get CE service max yield time |
| * @hif: hif context |
| * |
| * This API returns CE service max yield time. |
| * |
| * Return: CE service max yield time |
| */ |
| unsigned long long |
| hif_get_ce_service_max_yield_time(struct hif_opaque_softc *hif); |
| |
| /** |
| * hif_set_ce_service_max_rx_ind_flush() - sets CE service max rx ind flush |
| * @hif: hif context |
| * @ce_service_max_rx_ind_flush: CE service max rx ind flush to set |
| * |
| * This API stores CE service max rx ind flush in hif context based |
| * on ini value. |
| * |
| * Return: void |
| */ |
| void hif_set_ce_service_max_rx_ind_flush(struct hif_opaque_softc *hif, |
| uint8_t ce_service_max_rx_ind_flush); |
| |
| #ifdef OL_ATH_SMART_LOGGING |
| /* |
| * hif_log_ce_dump() - Copy all the CE DEST ring to buf |
| * @scn : HIF handler |
| * @buf_cur: Current pointer in ring buffer |
| * @buf_init:Start of the ring buffer |
| * @buf_sz: Size of the ring buffer |
| * @ce: Copy Engine id |
| * @skb_sz: Max size of the SKB buffer to be copied |
| * |
| * Calls the respective function to dump all the CE SRC/DEST ring descriptors |
| * and buffers pointed by them in to the given buf |
| * |
| * Return: Current pointer in ring buffer |
| */ |
| uint8_t *hif_log_dump_ce(struct hif_softc *scn, uint8_t *buf_cur, |
| uint8_t *buf_init, uint32_t buf_sz, |
| uint32_t ce, uint32_t skb_sz); |
| #endif /* OL_ATH_SMART_LOGGING */ |
| |
| /* |
| * hif_softc_to_hif_opaque_softc - API to convert hif_softc handle |
| * to hif_opaque_softc handle |
| * @hif_handle - hif_softc type |
| * |
| * Return: hif_opaque_softc type |
| */ |
| static inline struct hif_opaque_softc * |
| hif_softc_to_hif_opaque_softc(struct hif_softc *hif_handle) |
| { |
| return (struct hif_opaque_softc *)hif_handle; |
| } |
| |
| #if defined(HIF_IPCI) && defined(FEATURE_HAL_DELAYED_REG_WRITE) |
| QDF_STATUS hif_try_prevent_ep_vote_access(struct hif_opaque_softc *hif_ctx); |
| void hif_set_ep_intermediate_vote_access(struct hif_opaque_softc *hif_ctx); |
| void hif_allow_ep_vote_access(struct hif_opaque_softc *hif_ctx); |
| void hif_set_ep_vote_access(struct hif_opaque_softc *hif_ctx, |
| uint8_t type, uint8_t access); |
| uint8_t hif_get_ep_vote_access(struct hif_opaque_softc *hif_ctx, |
| uint8_t type); |
| #else |
| static inline QDF_STATUS |
| hif_try_prevent_ep_vote_access(struct hif_opaque_softc *hif_ctx) |
| { |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static inline void |
| hif_set_ep_intermediate_vote_access(struct hif_opaque_softc *hif_ctx) |
| { |
| } |
| |
| static inline void |
| hif_allow_ep_vote_access(struct hif_opaque_softc *hif_ctx) |
| { |
| } |
| |
| static inline void |
| hif_set_ep_vote_access(struct hif_opaque_softc *hif_ctx, |
| uint8_t type, uint8_t access) |
| { |
| } |
| |
| static inline uint8_t |
| hif_get_ep_vote_access(struct hif_opaque_softc *hif_ctx, |
| uint8_t type) |
| { |
| return HIF_EP_VOTE_ACCESS_ENABLE; |
| } |
| #endif |
| |
| #ifdef FORCE_WAKE |
| /** |
| * hif_srng_init_phase(): Indicate srng initialization phase |
| * to avoid force wake as UMAC power collapse is not yet |
| * enabled |
| * @hif_ctx: hif opaque handle |
| * @init_phase: initialization phase |
| * |
| * Return: None |
| */ |
| void hif_srng_init_phase(struct hif_opaque_softc *hif_ctx, |
| bool init_phase); |
| #else |
| static inline |
| void hif_srng_init_phase(struct hif_opaque_softc *hif_ctx, |
| bool init_phase) |
| { |
| } |
| #endif /* FORCE_WAKE */ |
| |
| #ifdef HIF_IPCI |
| /** |
| * hif_shutdown_notifier_cb - Call back for shutdown notifier |
| * @ctx: hif handle |
| * |
| * Return: None |
| */ |
| void hif_shutdown_notifier_cb(void *ctx); |
| #else |
| static inline |
| void hif_shutdown_notifier_cb(void *ctx) |
| { |
| } |
| #endif /* HIF_IPCI */ |
| |
| #ifdef HIF_CE_LOG_INFO |
| /** |
| * hif_log_ce_info() - API to log ce info |
| * @scn: hif handle |
| * @data: hang event data buffer |
| * @offset: offset at which data needs to be written |
| * |
| * Return: None |
| */ |
| void hif_log_ce_info(struct hif_softc *scn, uint8_t *data, |
| unsigned int *offset); |
| #else |
| static inline |
| void hif_log_ce_info(struct hif_softc *scn, uint8_t *data, |
| unsigned int *offset) |
| { |
| } |
| #endif |
| |
| #ifdef HIF_CPU_PERF_AFFINE_MASK |
| /** |
| * hif_config_irq_set_perf_affinity_hint() - API to set affinity |
| * @hif_ctx: hif opaque handle |
| * |
| * This function is used to move the WLAN IRQs to perf cores in |
| * case of defconfig builds. |
| * |
| * Return: None |
| */ |
| void hif_config_irq_set_perf_affinity_hint( |
| struct hif_opaque_softc *hif_ctx); |
| |
| #else |
| static inline void hif_config_irq_set_perf_affinity_hint( |
| struct hif_opaque_softc *hif_ctx) |
| { |
| } |
| #endif |
| |
| /** |
| * hif_apps_grp_irqs_enable() - enable ext grp irqs |
| * @hif - HIF opaque context |
| * |
| * Return: 0 on success. Error code on failure. |
| */ |
| int hif_apps_grp_irqs_enable(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_apps_grp_irqs_disable() - disable ext grp irqs |
| * @hif - HIF opaque context |
| * |
| * Return: 0 on success. Error code on failure. |
| */ |
| int hif_apps_grp_irqs_disable(struct hif_opaque_softc *hif_ctx); |
| |
| /** |
| * hif_disable_grp_irqs() - disable ext grp irqs |
| * @hif - HIF opaque context |
| * |
| * Return: 0 on success. Error code on failure. |
| */ |
| int hif_disable_grp_irqs(struct hif_opaque_softc *scn); |
| |
| /** |
| * hif_enable_grp_irqs() - enable ext grp irqs |
| * @hif - HIF opaque context |
| * |
| * Return: 0 on success. Error code on failure. |
| */ |
| int hif_enable_grp_irqs(struct hif_opaque_softc *scn); |
| |
| enum hif_credit_exchange_type { |
| HIF_REQUEST_CREDIT, |
| HIF_PROCESS_CREDIT_REPORT, |
| }; |
| |
| enum hif_detect_latency_type { |
| HIF_DETECT_TASKLET, |
| HIF_DETECT_CREDIT, |
| HIF_DETECT_UNKNOWN |
| }; |
| |
| #ifdef HIF_DETECTION_LATENCY_ENABLE |
| void hif_latency_detect_credit_record_time( |
| enum hif_credit_exchange_type type, |
| struct hif_opaque_softc *hif_ctx); |
| |
| void hif_latency_detect_timer_start(struct hif_opaque_softc *hif_ctx); |
| void hif_latency_detect_timer_stop(struct hif_opaque_softc *hif_ctx); |
| void hif_tasklet_latency(struct hif_softc *scn, bool from_timer); |
| void hif_credit_latency(struct hif_softc *scn, bool from_timer); |
| void hif_check_detection_latency(struct hif_softc *scn, |
| bool from_timer, |
| uint32_t bitmap_type); |
| void hif_set_enable_detection(struct hif_opaque_softc *hif_ctx, bool value); |
| #else |
| static inline |
| void hif_latency_detect_timer_start(struct hif_opaque_softc *hif_ctx) |
| {} |
| |
| static inline |
| void hif_latency_detect_timer_stop(struct hif_opaque_softc *hif_ctx) |
| {} |
| |
| static inline |
| void hif_latency_detect_credit_record_time( |
| enum hif_credit_exchange_type type, |
| struct hif_opaque_softc *hif_ctx) |
| {} |
| static inline |
| void hif_check_detection_latency(struct hif_softc *scn, |
| bool from_timer, |
| uint32_t bitmap_type) |
| {} |
| |
| static inline |
| void hif_set_enable_detection(struct hif_opaque_softc *hif_ctx, bool value) |
| {} |
| #endif |
| |
| #ifdef SYSTEM_PM_CHECK |
| /** |
| * __hif_system_pm_set_state() - Set system pm state |
| * @hif: hif opaque handle |
| * @state: system state |
| * |
| * Return: None |
| */ |
| void __hif_system_pm_set_state(struct hif_opaque_softc *hif, |
| enum hif_system_pm_state state); |
| |
| /** |
| * hif_system_pm_set_state_on() - Set system pm state to ON |
| * @hif: hif opaque handle |
| * |
| * Return: None |
| */ |
| static inline |
| void hif_system_pm_set_state_on(struct hif_opaque_softc *hif) |
| { |
| __hif_system_pm_set_state(hif, HIF_SYSTEM_PM_STATE_ON); |
| } |
| |
| /** |
| * hif_system_pm_set_state_resuming() - Set system pm state to resuming |
| * @hif: hif opaque handle |
| * |
| * Return: None |
| */ |
| static inline |
| void hif_system_pm_set_state_resuming(struct hif_opaque_softc *hif) |
| { |
| __hif_system_pm_set_state(hif, HIF_SYSTEM_PM_STATE_BUS_RESUMING); |
| } |
| |
| /** |
| * hif_system_pm_set_state_suspending() - Set system pm state to suspending |
| * @hif: hif opaque handle |
| * |
| * Return: None |
| */ |
| static inline |
| void hif_system_pm_set_state_suspending(struct hif_opaque_softc *hif) |
| { |
| __hif_system_pm_set_state(hif, HIF_SYSTEM_PM_STATE_BUS_SUSPENDING); |
| } |
| |
| /** |
| * hif_system_pm_set_state_suspended() - Set system pm state to suspended |
| * @hif: hif opaque handle |
| * |
| * Return: None |
| */ |
| static inline |
| void hif_system_pm_set_state_suspended(struct hif_opaque_softc *hif) |
| { |
| __hif_system_pm_set_state(hif, HIF_SYSTEM_PM_STATE_BUS_SUSPENDED); |
| } |
| |
| /** |
| * hif_system_pm_get_state() - Get system pm state |
| * @hif: hif opaque handle |
| * |
| * Return: system state |
| */ |
| int32_t hif_system_pm_get_state(struct hif_opaque_softc *hif); |
| |
| /** |
| * hif_system_pm_state_check() - Check system state and trigger resume |
| * if required |
| * @hif: hif opaque handle |
| * |
| * Return: 0 if system is in on state else error code |
| */ |
| int hif_system_pm_state_check(struct hif_opaque_softc *hif); |
| #else |
| static inline |
| void __hif_system_pm_set_state(struct hif_opaque_softc *hif, |
| enum hif_system_pm_state state) |
| { |
| } |
| |
| static inline |
| void hif_system_pm_set_state_on(struct hif_opaque_softc *hif) |
| { |
| } |
| |
| static inline |
| void hif_system_pm_set_state_resuming(struct hif_opaque_softc *hif) |
| { |
| } |
| |
| static inline |
| void hif_system_pm_set_state_suspending(struct hif_opaque_softc *hif) |
| { |
| } |
| |
| static inline |
| void hif_system_pm_set_state_suspended(struct hif_opaque_softc *hif) |
| { |
| } |
| |
| static inline |
| int32_t hif_system_pm_get_state(struct hif_opaque_softc *hif) |
| { |
| return 0; |
| } |
| |
| static inline int hif_system_pm_state_check(struct hif_opaque_softc *hif) |
| { |
| return 0; |
| } |
| #endif |
| |
| #ifdef FEATURE_IRQ_AFFINITY |
| /** |
| * hif_set_grp_intr_affinity() - API to set affinity for grp |
| * intrs set in the bitmap |
| * @scn: hif handle |
| * @grp_intr_bitmask: grp intrs for which perf affinity should be |
| * applied |
| * @perf: affine to perf or non-perf cluster |
| * |
| * Return: None |
| */ |
| void hif_set_grp_intr_affinity(struct hif_opaque_softc *scn, |
| uint32_t grp_intr_bitmask, bool perf); |
| #else |
| static inline |
| void hif_set_grp_intr_affinity(struct hif_opaque_softc *scn, |
| uint32_t grp_intr_bitmask, bool perf) |
| { |
| } |
| #endif |
| #endif /* _HIF_H_ */ |