| /* Copyright (c) 2009, Code Aurora Forum. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| * 02110-1301, USA. |
| * |
| */ |
| |
| #include <linux/msm_adsp.h> |
| #include <linux/slab.h> |
| #include <linux/uaccess.h> |
| #include <linux/fs.h> |
| #include <linux/android_pmem.h> |
| #include <linux/sched.h> |
| #include <linux/delay.h> |
| #include <linux/wait.h> |
| #include <linux/clk.h> |
| #include <mach/msm_adsp.h> |
| #include "msm_vfe7x.h" |
| |
| #define QDSP_CMDQUEUE QDSP_vfeCommandQueue |
| |
| #define VFE_RESET_CMD 0 |
| #define VFE_START_CMD 1 |
| #define VFE_STOP_CMD 2 |
| #define VFE_FRAME_ACK 20 |
| #define STATS_AF_ACK 21 |
| #define STATS_WE_ACK 22 |
| |
| #define MSG_STOP_ACK 1 |
| #define MSG_SNAPSHOT 2 |
| #define MSG_OUTPUT1 6 |
| #define MSG_OUTPUT2 7 |
| #define MSG_STATS_AF 8 |
| #define MSG_STATS_WE 9 |
| |
| static struct msm_adsp_module *qcam_mod; |
| static struct msm_adsp_module *vfe_mod; |
| static struct msm_vfe_callback *resp; |
| static struct vfe_frame_extra *extdata; |
| |
| struct mutex vfe_lock; |
| static void *vfe_syncdata; |
| static uint8_t vfestopped; |
| |
| static struct stop_event stopevent; |
| |
| static struct clk *ebi1_clk; |
| static const char *const ebi1_clk_name = "ebi1_clk"; |
| |
| static void vfe_7x_convert(struct msm_vfe_phy_info *pinfo, |
| enum vfe_resp_msg type, |
| void *data, void **ext, int *elen) |
| { |
| switch (type) { |
| case VFE_MSG_OUTPUT1: |
| case VFE_MSG_OUTPUT2:{ |
| pinfo->y_phy = ((struct vfe_endframe *)data)->y_address; |
| pinfo->cbcr_phy = |
| ((struct vfe_endframe *)data)->cbcr_address; |
| |
| CDBG("vfe_7x_convert, y_phy = 0x%x, cbcr_phy = 0x%x\n", |
| pinfo->y_phy, pinfo->cbcr_phy); |
| |
| ((struct vfe_frame_extra *)extdata)->bl_evencol = |
| ((struct vfe_endframe *)data)->blacklevelevencolumn; |
| |
| ((struct vfe_frame_extra *)extdata)->bl_oddcol = |
| ((struct vfe_endframe *)data)->blackleveloddcolumn; |
| |
| ((struct vfe_frame_extra *)extdata)->g_def_p_cnt = |
| ((struct vfe_endframe *)data)-> |
| greendefectpixelcount; |
| |
| ((struct vfe_frame_extra *)extdata)->r_b_def_p_cnt = |
| ((struct vfe_endframe *)data)-> |
| redbluedefectpixelcount; |
| |
| *ext = extdata; |
| *elen = sizeof(*extdata); |
| } |
| break; |
| |
| case VFE_MSG_STATS_AF: |
| case VFE_MSG_STATS_WE: |
| pinfo->sbuf_phy = *(uint32_t *) data; |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| static void vfe_7x_ops(void *driver_data, unsigned id, size_t len, |
| void (*getevent) (void *ptr, size_t len)) |
| { |
| uint32_t evt_buf[3]; |
| struct msm_vfe_resp *rp; |
| void *data; |
| |
| len = (id == (uint16_t)-1) ? 0 : len; |
| data = resp->vfe_alloc(sizeof(struct msm_vfe_resp) + len, |
| vfe_syncdata, |
| GFP_ATOMIC); |
| |
| if (!data) { |
| pr_err("rp: cannot allocate buffer\n"); |
| return; |
| } |
| rp = (struct msm_vfe_resp *)data; |
| rp->evt_msg.len = len; |
| |
| if (id == ((uint16_t)-1)) { |
| /* event */ |
| rp->type = VFE_EVENT; |
| rp->evt_msg.type = MSM_CAMERA_EVT; |
| getevent(evt_buf, sizeof(evt_buf)); |
| rp->evt_msg.msg_id = evt_buf[0]; |
| resp->vfe_resp(rp, MSM_CAM_Q_VFE_EVT, |
| vfe_syncdata, |
| GFP_ATOMIC); |
| } else { |
| /* messages */ |
| rp->evt_msg.type = MSM_CAMERA_MSG; |
| rp->evt_msg.msg_id = id; |
| rp->evt_msg.data = rp + 1; |
| getevent(rp->evt_msg.data, len); |
| |
| switch (rp->evt_msg.msg_id) { |
| case MSG_SNAPSHOT: |
| rp->type = VFE_MSG_SNAPSHOT; |
| break; |
| |
| case MSG_OUTPUT1: |
| rp->type = VFE_MSG_OUTPUT1; |
| vfe_7x_convert(&(rp->phy), VFE_MSG_OUTPUT1, |
| rp->evt_msg.data, &(rp->extdata), |
| &(rp->extlen)); |
| break; |
| |
| case MSG_OUTPUT2: |
| rp->type = VFE_MSG_OUTPUT2; |
| vfe_7x_convert(&(rp->phy), VFE_MSG_OUTPUT2, |
| rp->evt_msg.data, &(rp->extdata), |
| &(rp->extlen)); |
| break; |
| |
| case MSG_STATS_AF: |
| rp->type = VFE_MSG_STATS_AF; |
| vfe_7x_convert(&(rp->phy), VFE_MSG_STATS_AF, |
| rp->evt_msg.data, NULL, NULL); |
| break; |
| |
| case MSG_STATS_WE: |
| rp->type = VFE_MSG_STATS_WE; |
| vfe_7x_convert(&(rp->phy), VFE_MSG_STATS_WE, |
| rp->evt_msg.data, NULL, NULL); |
| |
| CDBG("MSG_STATS_WE: phy = 0x%x\n", rp->phy.sbuf_phy); |
| break; |
| |
| case MSG_STOP_ACK: |
| rp->type = VFE_MSG_GENERAL; |
| stopevent.state = 1; |
| wake_up(&stopevent.wait); |
| break; |
| |
| default: |
| rp->type = VFE_MSG_GENERAL; |
| break; |
| } |
| resp->vfe_resp(rp, MSM_CAM_Q_VFE_MSG, vfe_syncdata, GFP_ATOMIC); |
| } |
| } |
| |
| static struct msm_adsp_ops vfe_7x_sync = { |
| .event = vfe_7x_ops, |
| }; |
| |
| static int vfe_7x_enable(struct camera_enable_cmd *enable) |
| { |
| int rc = -EFAULT; |
| |
| if (!strcmp(enable->name, "QCAMTASK")) |
| rc = msm_adsp_enable(qcam_mod); |
| else if (!strcmp(enable->name, "VFETASK")) |
| rc = msm_adsp_enable(vfe_mod); |
| |
| return rc; |
| } |
| |
| static int vfe_7x_disable(struct camera_enable_cmd *enable, |
| struct platform_device *dev __attribute__ ((unused))) |
| { |
| int rc = -EFAULT; |
| |
| if (!strcmp(enable->name, "QCAMTASK")) |
| rc = msm_adsp_disable(qcam_mod); |
| else if (!strcmp(enable->name, "VFETASK")) |
| rc = msm_adsp_disable(vfe_mod); |
| |
| return rc; |
| } |
| |
| static int vfe_7x_stop(void) |
| { |
| int rc = 0; |
| uint32_t stopcmd = VFE_STOP_CMD; |
| rc = msm_adsp_write(vfe_mod, QDSP_CMDQUEUE, &stopcmd, sizeof(uint32_t)); |
| if (rc < 0) { |
| CDBG("%s:%d: failed rc = %d \n", __func__, __LINE__, rc); |
| return rc; |
| } |
| |
| stopevent.state = 0; |
| rc = wait_event_timeout(stopevent.wait, |
| stopevent.state != 0, |
| msecs_to_jiffies(stopevent.timeout)); |
| |
| return rc; |
| } |
| |
| static void vfe_7x_release(struct platform_device *pdev) |
| { |
| struct msm_sensor_ctrl *sctrl = |
| &((struct msm_sync *)vfe_syncdata)->sctrl; |
| |
| mutex_lock(&vfe_lock); |
| vfe_syncdata = NULL; |
| mutex_unlock(&vfe_lock); |
| |
| if (!vfestopped) { |
| CDBG("%s:%d:Calling vfe_7x_stop()\n", __func__, __LINE__); |
| vfe_7x_stop(); |
| } else |
| vfestopped = 0; |
| |
| msm_adsp_disable(qcam_mod); |
| msm_adsp_disable(vfe_mod); |
| |
| if (sctrl) |
| sctrl->s_release(); |
| |
| msm_adsp_put(qcam_mod); |
| msm_adsp_put(vfe_mod); |
| |
| msm_camio_disable(pdev); |
| |
| if (ebi1_clk) { |
| clk_set_rate(ebi1_clk, 0); |
| clk_put(ebi1_clk); |
| ebi1_clk = 0; |
| } |
| |
| kfree(extdata); |
| extdata = 0; |
| } |
| |
| static int vfe_7x_init(struct msm_vfe_callback *presp, |
| struct platform_device *dev) |
| { |
| int rc = 0; |
| |
| init_waitqueue_head(&stopevent.wait); |
| stopevent.timeout = 200; |
| stopevent.state = 0; |
| |
| if (presp && presp->vfe_resp) |
| resp = presp; |
| else |
| return -EIO; |
| |
| ebi1_clk = clk_get(NULL, ebi1_clk_name); |
| if (!ebi1_clk) { |
| pr_err("%s: could not get %s\n", __func__, ebi1_clk_name); |
| return -EIO; |
| } |
| |
| rc = clk_set_rate(ebi1_clk, 128000000); |
| if (rc < 0) { |
| pr_err("%s: clk_set_rate(%s) failed: %d\n", __func__, |
| ebi1_clk_name, rc); |
| return rc; |
| } |
| |
| /* Bring up all the required GPIOs and Clocks */ |
| rc = msm_camio_enable(dev); |
| if (rc < 0) |
| return rc; |
| |
| msm_camio_camif_pad_reg_reset(); |
| |
| extdata = kmalloc(sizeof(struct vfe_frame_extra), GFP_ATOMIC); |
| if (!extdata) { |
| rc = -ENOMEM; |
| goto init_fail; |
| } |
| |
| rc = msm_adsp_get("QCAMTASK", &qcam_mod, &vfe_7x_sync, NULL); |
| if (rc) { |
| rc = -EBUSY; |
| goto get_qcam_fail; |
| } |
| |
| rc = msm_adsp_get("VFETASK", &vfe_mod, &vfe_7x_sync, NULL); |
| if (rc) { |
| rc = -EBUSY; |
| goto get_vfe_fail; |
| } |
| |
| return 0; |
| |
| get_vfe_fail: |
| msm_adsp_put(qcam_mod); |
| get_qcam_fail: |
| kfree(extdata); |
| init_fail: |
| return rc; |
| } |
| |
| static int vfe_7x_config_axi(int mode, struct axidata *ad, struct axiout *ao) |
| { |
| struct msm_pmem_region *regptr; |
| unsigned long *bptr; |
| int cnt; |
| |
| int rc = 0; |
| |
| if (mode == OUTPUT_1 || mode == OUTPUT_1_AND_2) { |
| regptr = ad->region; |
| |
| CDBG("bufnum1 = %d\n", ad->bufnum1); |
| CDBG("config_axi1: O1, phy = 0x%lx, y_off = %d, cbcr_off =%d\n", |
| regptr->paddr, regptr->info.y_off, regptr->info.cbcr_off); |
| |
| bptr = &ao->output1buffer1_y_phy; |
| for (cnt = 0; cnt < ad->bufnum1; cnt++) { |
| *bptr = regptr->paddr + regptr->info.y_off; |
| bptr++; |
| *bptr = regptr->paddr + regptr->info.cbcr_off; |
| |
| bptr++; |
| regptr++; |
| } |
| |
| regptr--; |
| for (cnt = 0; cnt < (8 - ad->bufnum1); cnt++) { |
| *bptr = regptr->paddr + regptr->info.y_off; |
| bptr++; |
| *bptr = regptr->paddr + regptr->info.cbcr_off; |
| bptr++; |
| } |
| } |
| /* if OUTPUT1 or Both */ |
| if (mode == OUTPUT_2 || mode == OUTPUT_1_AND_2) { |
| regptr = &(ad->region[ad->bufnum1]); |
| |
| CDBG("bufnum2 = %d\n", ad->bufnum2); |
| CDBG("config_axi2: O2, phy = 0x%lx, y_off = %d, cbcr_off =%d\n", |
| regptr->paddr, regptr->info.y_off, regptr->info.cbcr_off); |
| |
| bptr = &ao->output2buffer1_y_phy; |
| for (cnt = 0; cnt < ad->bufnum2; cnt++) { |
| *bptr = regptr->paddr + regptr->info.y_off; |
| bptr++; |
| *bptr = regptr->paddr + regptr->info.cbcr_off; |
| |
| bptr++; |
| regptr++; |
| } |
| |
| regptr--; |
| for (cnt = 0; cnt < (8 - ad->bufnum2); cnt++) { |
| *bptr = regptr->paddr + regptr->info.y_off; |
| bptr++; |
| *bptr = regptr->paddr + regptr->info.cbcr_off; |
| bptr++; |
| } |
| } |
| |
| return rc; |
| } |
| |
| static int vfe_7x_config(struct msm_vfe_cfg_cmd *cmd, void *data) |
| { |
| int rc = 0; |
| int i; |
| |
| struct msm_pmem_region *regptr = NULL; |
| |
| struct vfe_stats_ack sack; |
| struct axidata *axid = NULL; |
| |
| struct axiout axio; |
| void *cmd_data_alloc = NULL; |
| struct msm_vfe_command_7k vfecmd; |
| |
| if (cmd->cmd_type != CMD_FRAME_BUF_RELEASE && |
| cmd->cmd_type != CMD_STATS_BUF_RELEASE && |
| cmd->cmd_type != CMD_STATS_AF_BUF_RELEASE) { |
| if (copy_from_user(&vfecmd, |
| (void __user *)(cmd->value), |
| sizeof(struct msm_vfe_command_7k))) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| } |
| |
| switch (cmd->cmd_type) { |
| case CMD_STATS_AEC_AWB_ENABLE: |
| case CMD_STATS_AXI_CFG:{ |
| struct vfe_stats_we_cfg scfg; |
| axid = data; |
| if (!axid) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| if (vfecmd.length != sizeof(typeof(scfg))) { |
| rc = -EIO; |
| pr_err |
| ("msm_camera: %s: cmd %d: "\ |
| "user-space data size %d "\ |
| "!= kernel data size %d\n", __func__, |
| cmd->cmd_type, vfecmd.length, |
| sizeof(typeof(scfg))); |
| goto config_error; |
| } |
| |
| if (copy_from_user(&scfg, |
| (void __user *)(vfecmd.value), |
| vfecmd.length)) { |
| |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| CDBG("STATS_ENABLE: bufnum = %d, enabling = %d\n", |
| axid->bufnum1, scfg.wb_expstatsenable); |
| |
| if (axid->bufnum1 > 0) { |
| regptr = axid->region; |
| |
| for (i = 0; i < axid->bufnum1; i++) { |
| |
| CDBG("STATS_ENABLE, phy = 0x%lx\n", |
| regptr->paddr); |
| |
| scfg.wb_expstatoutputbuffer[i] = |
| (void *)regptr->paddr; |
| regptr++; |
| } |
| |
| vfecmd.value = &scfg; |
| |
| } else { |
| rc = -EINVAL; |
| goto config_error; |
| } |
| } |
| break; |
| |
| case CMD_STATS_AF_ENABLE: |
| case CMD_STATS_AF_AXI_CFG:{ |
| struct vfe_stats_af_cfg sfcfg; |
| axid = data; |
| if (!axid) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| if (vfecmd.length > sizeof(typeof(sfcfg))) { |
| pr_err |
| ("msm_camera: %s: cmd %d: user-space "\ |
| "data %d exceeds kernel buffer %d\n", |
| __func__, cmd->cmd_type, vfecmd.length, |
| sizeof(typeof(sfcfg))); |
| rc = -EIO; |
| goto config_error; |
| } |
| |
| if (copy_from_user(&sfcfg, |
| (void __user *)(vfecmd.value), |
| vfecmd.length)) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| CDBG("AF_ENABLE: bufnum = %d, enabling = %d\n", |
| axid->bufnum1, sfcfg.af_enable); |
| |
| if (axid->bufnum1 > 0) { |
| regptr = axid->region; |
| |
| for (i = 0; i < axid->bufnum1; i++) { |
| |
| CDBG("STATS_ENABLE, phy = 0x%lx\n", |
| regptr->paddr); |
| |
| sfcfg.af_outbuf[i] = |
| (void *)regptr->paddr; |
| |
| regptr++; |
| } |
| |
| vfecmd.value = &sfcfg; |
| |
| } else { |
| rc = -EINVAL; |
| goto config_error; |
| } |
| } |
| break; |
| |
| case CMD_FRAME_BUF_RELEASE:{ |
| struct msm_frame *b; |
| unsigned long p; |
| struct vfe_outputack fack; |
| if (!data) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| b = (struct msm_frame *)(cmd->value); |
| p = *(unsigned long *)data; |
| |
| fack.header = VFE_FRAME_ACK; |
| |
| fack.output2newybufferaddress = (void *)(p + b->y_off); |
| |
| fack.output2newcbcrbufferaddress = |
| (void *)(p + b->cbcr_off); |
| |
| vfecmd.queue = QDSP_CMDQUEUE; |
| vfecmd.length = sizeof(struct vfe_outputack); |
| vfecmd.value = &fack; |
| } |
| break; |
| |
| case CMD_SNAP_BUF_RELEASE: |
| break; |
| |
| case CMD_STATS_BUF_RELEASE:{ |
| CDBG("vfe_7x_config: CMD_STATS_BUF_RELEASE\n"); |
| if (!data) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| sack.header = STATS_WE_ACK; |
| sack.bufaddr = (void *)*(uint32_t *) data; |
| |
| vfecmd.queue = QDSP_CMDQUEUE; |
| vfecmd.length = sizeof(struct vfe_stats_ack); |
| vfecmd.value = &sack; |
| } |
| break; |
| |
| case CMD_STATS_AF_BUF_RELEASE:{ |
| CDBG("vfe_7x_config: CMD_STATS_AF_BUF_RELEASE\n"); |
| if (!data) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| sack.header = STATS_AF_ACK; |
| sack.bufaddr = (void *)*(uint32_t *) data; |
| |
| vfecmd.queue = QDSP_CMDQUEUE; |
| vfecmd.length = sizeof(struct vfe_stats_ack); |
| vfecmd.value = &sack; |
| } |
| break; |
| |
| case CMD_GENERAL: |
| case CMD_STATS_DISABLE:{ |
| uint8_t buf[256]; |
| void *tmp = buf; |
| if (vfecmd.length > sizeof(buf)) { |
| cmd_data_alloc = tmp = |
| kmalloc(vfecmd.length, GFP_ATOMIC); |
| if (!cmd_data_alloc) { |
| rc = -ENOMEM; |
| goto config_error; |
| } |
| } |
| |
| if (copy_from_user(tmp, |
| (void __user *)(vfecmd.value), |
| vfecmd.length)) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| vfecmd.value = tmp; |
| |
| if (vfecmd.queue == QDSP_CMDQUEUE) { |
| switch (*(uint32_t *) vfecmd.value) { |
| case VFE_RESET_CMD: |
| msm_camio_vfe_blk_reset(); |
| msm_camio_camif_pad_reg_reset_2(); |
| vfestopped = 0; |
| break; |
| |
| case VFE_START_CMD: |
| msm_camio_camif_pad_reg_reset_2(); |
| vfestopped = 0; |
| break; |
| |
| case VFE_STOP_CMD: |
| vfestopped = 1; |
| goto config_send; |
| |
| default: |
| break; |
| } |
| } /* QDSP_CMDQUEUE */ |
| } |
| break; |
| |
| case CMD_AXI_CFG_OUT1:{ |
| axid = data; |
| if (!axid) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| if (copy_from_user(&axio, (void *)(vfecmd.value), |
| sizeof(axio))) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| vfe_7x_config_axi(OUTPUT_1, axid, &axio); |
| |
| vfecmd.value = &axio; |
| } |
| break; |
| |
| case CMD_AXI_CFG_OUT2: |
| case CMD_RAW_PICT_AXI_CFG:{ |
| axid = data; |
| if (!axid) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| if (copy_from_user(&axio, (void __user *)(vfecmd.value), |
| sizeof(axio))) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| vfe_7x_config_axi(OUTPUT_2, axid, &axio); |
| vfecmd.value = &axio; |
| } |
| break; |
| |
| case CMD_AXI_CFG_SNAP_O1_AND_O2:{ |
| axid = data; |
| if (!axid) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| if (copy_from_user(&axio, (void __user *)(vfecmd.value), |
| sizeof(axio))) { |
| rc = -EFAULT; |
| goto config_error; |
| } |
| |
| vfe_7x_config_axi(OUTPUT_1_AND_2, axid, &axio); |
| |
| vfecmd.value = &axio; |
| } |
| break; |
| |
| default: |
| break; |
| } /* switch */ |
| |
| if (vfestopped) |
| goto config_error; |
| |
| config_send: |
| CDBG("send adsp command = %d\n", *(uint32_t *)vfecmd.value); |
| rc = msm_adsp_write(vfe_mod, vfecmd.queue, vfecmd.value, vfecmd.length); |
| |
| config_error: |
| kfree(cmd_data_alloc); |
| return rc; |
| } |
| |
| void msm_camvfe_fn_init(struct msm_camvfe_fn *fptr, void *data) |
| { |
| mutex_init(&vfe_lock); |
| fptr->vfe_init = vfe_7x_init; |
| fptr->vfe_enable = vfe_7x_enable; |
| fptr->vfe_config = vfe_7x_config; |
| fptr->vfe_disable = vfe_7x_disable; |
| fptr->vfe_release = vfe_7x_release; |
| vfe_syncdata = data; |
| } |