Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/debugfs.h> |
| 14 | #include <linux/videodev2.h> |
| 15 | #include <linux/slab.h> |
| 16 | #include <linux/uaccess.h> |
Jing Zhou | b524a85 | 2017-05-16 15:47:30 +0530 | [diff] [blame] | 17 | #include <linux/ratelimit.h> |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 18 | |
| 19 | #include "cam_isp_context.h" |
| 20 | #include "cam_isp_log.h" |
| 21 | #include "cam_mem_mgr.h" |
| 22 | #include "cam_sync_api.h" |
Jing Zhou | b524a85 | 2017-05-16 15:47:30 +0530 | [diff] [blame] | 23 | #include "cam_req_mgr_dev.h" |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 24 | #include "cam_trace.h" |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 25 | |
| 26 | #undef CDBG |
| 27 | #define CDBG(fmt, args...) pr_debug(fmt, ##args) |
| 28 | |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 29 | static uint64_t __cam_isp_ctx_get_event_ts(uint32_t evt_id, void *evt_data) |
| 30 | { |
| 31 | uint64_t ts = 0; |
| 32 | |
| 33 | if (!evt_data) |
| 34 | return 0; |
| 35 | |
| 36 | switch (evt_id) { |
| 37 | case CAM_ISP_HW_EVENT_ERROR: |
| 38 | ts = ((struct cam_isp_hw_error_event_data *)evt_data)-> |
| 39 | timestamp; |
| 40 | break; |
| 41 | case CAM_ISP_HW_EVENT_SOF: |
| 42 | ts = ((struct cam_isp_hw_sof_event_data *)evt_data)-> |
| 43 | timestamp; |
| 44 | break; |
| 45 | case CAM_ISP_HW_EVENT_REG_UPDATE: |
| 46 | ts = ((struct cam_isp_hw_reg_update_event_data *)evt_data)-> |
| 47 | timestamp; |
| 48 | break; |
| 49 | case CAM_ISP_HW_EVENT_EPOCH: |
| 50 | ts = ((struct cam_isp_hw_epoch_event_data *)evt_data)-> |
| 51 | timestamp; |
| 52 | break; |
| 53 | case CAM_ISP_HW_EVENT_EOF: |
| 54 | ts = ((struct cam_isp_hw_eof_event_data *)evt_data)-> |
| 55 | timestamp; |
| 56 | break; |
| 57 | case CAM_ISP_HW_EVENT_DONE: |
| 58 | break; |
| 59 | default: |
| 60 | CDBG("%s: Invalid Event Type %d\n", __func__, evt_id); |
| 61 | } |
| 62 | |
| 63 | return ts; |
| 64 | } |
| 65 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 66 | static int __cam_isp_ctx_handle_buf_done_in_activated_state( |
| 67 | struct cam_isp_context *ctx_isp, |
| 68 | struct cam_isp_hw_done_event_data *done, |
| 69 | uint32_t bubble_state) |
| 70 | { |
| 71 | int rc = 0; |
| 72 | int i, j; |
| 73 | struct cam_ctx_request *req; |
| 74 | struct cam_isp_ctx_req *req_isp; |
| 75 | struct cam_context *ctx = ctx_isp->base; |
| 76 | |
| 77 | if (list_empty(&ctx->active_req_list)) { |
| 78 | CDBG("Buf done with no active request!\n"); |
| 79 | goto end; |
| 80 | } |
| 81 | |
| 82 | CDBG("%s: Enter with bubble_state %d\n", __func__, bubble_state); |
| 83 | |
| 84 | req = list_first_entry(&ctx->active_req_list, |
| 85 | struct cam_ctx_request, list); |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 86 | |
| 87 | trace_cam_buf_done("ISP", ctx, req); |
| 88 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 89 | req_isp = (struct cam_isp_ctx_req *) req->req_priv; |
| 90 | for (i = 0; i < done->num_handles; i++) { |
| 91 | for (j = 0; j < req_isp->num_fence_map_out; j++) { |
| 92 | if (done->resource_handle[i] == |
| 93 | req_isp->fence_map_out[j].resource_handle) |
| 94 | break; |
| 95 | } |
| 96 | |
| 97 | if (j == req_isp->num_fence_map_out) { |
| 98 | pr_err("Can not find matching lane handle 0x%x!\n", |
| 99 | done->resource_handle[i]); |
| 100 | rc = -EINVAL; |
| 101 | continue; |
| 102 | } |
| 103 | |
| 104 | if (!bubble_state) { |
Jing Zhou | bb536a8 | 2017-05-18 15:20:38 -0700 | [diff] [blame] | 105 | CDBG("%s: Sync with success: fd 0x%x\n", __func__, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 106 | req_isp->fence_map_out[j].sync_id); |
Jing Zhou | bb536a8 | 2017-05-18 15:20:38 -0700 | [diff] [blame] | 107 | rc = cam_sync_signal(req_isp->fence_map_out[j].sync_id, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 108 | CAM_SYNC_STATE_SIGNALED_SUCCESS); |
Jing Zhou | bb536a8 | 2017-05-18 15:20:38 -0700 | [diff] [blame] | 109 | if (rc) |
| 110 | pr_err("%s: Sync failed with rc = %d\n", |
| 111 | __func__, rc); |
| 112 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 113 | } else if (!req_isp->bubble_report) { |
Jing Zhou | bb536a8 | 2017-05-18 15:20:38 -0700 | [diff] [blame] | 114 | CDBG("%s: Sync with failure: fd 0x%x\n", __func__, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 115 | req_isp->fence_map_out[j].sync_id); |
Jing Zhou | bb536a8 | 2017-05-18 15:20:38 -0700 | [diff] [blame] | 116 | rc = cam_sync_signal(req_isp->fence_map_out[j].sync_id, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 117 | CAM_SYNC_STATE_SIGNALED_ERROR); |
Jing Zhou | bb536a8 | 2017-05-18 15:20:38 -0700 | [diff] [blame] | 118 | if (rc) |
| 119 | pr_err("%s: Sync failed with rc = %d\n", |
| 120 | __func__, rc); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 121 | } else { |
| 122 | /* |
| 123 | * Ignore the buffer done if bubble detect is on |
| 124 | * In most case, active list should be empty when |
| 125 | * bubble detects. But for safety, we just move the |
| 126 | * current active request to the pending list here. |
| 127 | */ |
| 128 | list_del_init(&req->list); |
| 129 | list_add(&req->list, &ctx->pending_req_list); |
| 130 | continue; |
| 131 | } |
| 132 | |
| 133 | CDBG("%s: req %lld, reset sync id 0x%x\n", __func__, |
| 134 | req->request_id, |
| 135 | req_isp->fence_map_out[j].sync_id); |
| 136 | req_isp->num_acked++; |
| 137 | req_isp->fence_map_out[j].sync_id = -1; |
| 138 | } |
| 139 | |
| 140 | if (req_isp->num_acked == req_isp->num_fence_map_out) { |
| 141 | list_del_init(&req->list); |
| 142 | list_add_tail(&req->list, &ctx->free_req_list); |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 143 | ctx_isp->active_req_cnt--; |
| 144 | CDBG("%s: Move active request %lld to free list(cnt = %d)\n", |
| 145 | __func__, req->request_id, ctx_isp->active_req_cnt); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | end: |
| 149 | return rc; |
| 150 | } |
| 151 | |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 152 | static void __cam_isp_ctx_send_sof_timestamp( |
| 153 | struct cam_isp_context *ctx_isp, uint64_t request_id, |
| 154 | uint32_t sof_event_status) |
| 155 | { |
| 156 | struct cam_req_mgr_message req_msg; |
| 157 | |
| 158 | req_msg.session_hdl = ctx_isp->base->session_hdl; |
| 159 | req_msg.u.frame_msg.frame_id = ctx_isp->frame_id; |
| 160 | req_msg.u.frame_msg.request_id = request_id; |
| 161 | req_msg.u.frame_msg.timestamp = ctx_isp->sof_timestamp_val; |
| 162 | req_msg.u.frame_msg.link_hdl = ctx_isp->base->link_hdl; |
| 163 | req_msg.u.frame_msg.sof_status = sof_event_status; |
| 164 | |
| 165 | CDBG("%s: request id:%lld frame number:%lld SOF time stamp:0x%llx\n", |
| 166 | __func__, request_id, ctx_isp->frame_id, |
| 167 | ctx_isp->sof_timestamp_val); |
| 168 | CDBG("%s sof status:%d\n", __func__, sof_event_status); |
| 169 | |
| 170 | if (cam_req_mgr_notify_frame_message(&req_msg, |
| 171 | V4L_EVENT_CAM_REQ_MGR_SOF, V4L_EVENT_CAM_REQ_MGR_EVENT)) |
| 172 | pr_err("%s: Error in notifying the sof time for req id:%lld\n", |
| 173 | __func__, request_id); |
| 174 | } |
| 175 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 176 | static int __cam_isp_ctx_reg_upd_in_activated_state( |
| 177 | struct cam_isp_context *ctx_isp, void *evt_data) |
| 178 | { |
| 179 | int rc = 0; |
| 180 | struct cam_ctx_request *req; |
| 181 | struct cam_context *ctx = ctx_isp->base; |
| 182 | struct cam_isp_ctx_req *req_isp; |
| 183 | |
| 184 | if (list_empty(&ctx->pending_req_list)) { |
| 185 | pr_err("Reg upd ack with no pending request\n"); |
| 186 | goto end; |
| 187 | } |
| 188 | req = list_first_entry(&ctx->pending_req_list, |
| 189 | struct cam_ctx_request, list); |
| 190 | list_del_init(&req->list); |
| 191 | |
| 192 | req_isp = (struct cam_isp_ctx_req *) req->req_priv; |
| 193 | if (req_isp->num_fence_map_out != 0) { |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 194 | list_add_tail(&req->list, &ctx->active_req_list); |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 195 | ctx_isp->active_req_cnt++; |
| 196 | CDBG("%s: move request %lld to active list(cnt = %d)\n", |
| 197 | __func__, req->request_id, ctx_isp->active_req_cnt); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 198 | } else { |
| 199 | /* no io config, so the request is completed. */ |
| 200 | list_add_tail(&req->list, &ctx->free_req_list); |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 201 | CDBG("%s: move active request %lld to free list(cnt = %d)\n", |
| 202 | __func__, req->request_id, ctx_isp->active_req_cnt); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 203 | } |
| 204 | |
| 205 | /* |
| 206 | * This function only called directly from applied and bubble applied |
| 207 | * state so change substate here. |
| 208 | */ |
| 209 | ctx_isp->substate_activated = CAM_ISP_CTX_ACTIVATED_EPOCH; |
| 210 | CDBG("%s: next substate %d\n", __func__, ctx_isp->substate_activated); |
| 211 | |
| 212 | end: |
| 213 | return rc; |
| 214 | } |
| 215 | |
| 216 | static int __cam_isp_ctx_notify_sof_in_actived_state( |
| 217 | struct cam_isp_context *ctx_isp, void *evt_data) |
| 218 | { |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 219 | struct cam_req_mgr_sof_notify notify; |
| 220 | struct cam_context *ctx = ctx_isp->base; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 221 | struct cam_ctx_request *req; |
| 222 | uint64_t request_id = 0; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 223 | |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 224 | /* |
| 225 | * notify reqmgr with sof signal. Note, due to scheduling delay |
| 226 | * we can run into situation that two active requests has already |
| 227 | * be in the active queue while we try to do the notification. |
| 228 | * In this case, we need to skip the current notification. This |
| 229 | * helps the state machine to catch up the delay. |
| 230 | */ |
| 231 | if (ctx->ctx_crm_intf && ctx->ctx_crm_intf->notify_sof && |
| 232 | ctx_isp->active_req_cnt <= 2) { |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 233 | notify.link_hdl = ctx->link_hdl; |
| 234 | notify.dev_hdl = ctx->dev_hdl; |
| 235 | notify.frame_id = ctx_isp->frame_id; |
| 236 | |
| 237 | ctx->ctx_crm_intf->notify_sof(¬ify); |
| 238 | CDBG("%s: Notify CRM SOF frame %lld\n", __func__, |
| 239 | ctx_isp->frame_id); |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 240 | |
| 241 | list_for_each_entry(req, &ctx->active_req_list, list) { |
| 242 | if (req->request_id > ctx_isp->reported_req_id) { |
| 243 | request_id = req->request_id; |
| 244 | ctx_isp->reported_req_id = request_id; |
| 245 | break; |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | __cam_isp_ctx_send_sof_timestamp(ctx_isp, request_id, |
| 250 | CAM_REQ_MGR_SOF_EVENT_SUCCESS); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 251 | } else { |
| 252 | pr_err("%s: Can not notify SOF to CRM\n", __func__); |
| 253 | } |
| 254 | |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 255 | return 0; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 256 | } |
| 257 | |
| 258 | |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 259 | static int __cam_isp_ctx_sof_in_activated_state( |
| 260 | struct cam_isp_context *ctx_isp, void *evt_data) |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 261 | { |
| 262 | int rc = 0; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 263 | struct cam_isp_hw_sof_event_data *sof_event_data = evt_data; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 264 | |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 265 | if (!evt_data) { |
| 266 | pr_err("%s: in valid sof event data\n", __func__); |
| 267 | return -EINVAL; |
| 268 | } |
| 269 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 270 | ctx_isp->frame_id++; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 271 | ctx_isp->sof_timestamp_val = sof_event_data->timestamp; |
| 272 | CDBG("%s: frame id: %lld time stamp:0x%llx\n", __func__, |
| 273 | ctx_isp->frame_id, ctx_isp->sof_timestamp_val); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 274 | |
| 275 | return rc; |
| 276 | } |
| 277 | |
| 278 | static int __cam_isp_ctx_reg_upd_in_sof(struct cam_isp_context *ctx_isp, |
| 279 | void *evt_data) |
| 280 | { |
| 281 | int rc = 0; |
| 282 | struct cam_ctx_request *req; |
| 283 | struct cam_isp_ctx_req *req_isp; |
| 284 | struct cam_context *ctx = ctx_isp->base; |
| 285 | |
| 286 | if (ctx->state != CAM_CTX_ACTIVATED) { |
| 287 | CDBG("%s: invalid RUP\n", __func__); |
| 288 | goto end; |
| 289 | } |
| 290 | |
| 291 | /* |
| 292 | * This is for the first update. The initial setting will |
| 293 | * cause the reg_upd in the first frame. |
| 294 | */ |
| 295 | if (!list_empty(&ctx->pending_req_list)) { |
| 296 | req = list_first_entry(&ctx->pending_req_list, |
| 297 | struct cam_ctx_request, list); |
| 298 | list_del_init(&req->list); |
| 299 | req_isp = (struct cam_isp_ctx_req *) req->req_priv; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 300 | if (req_isp->num_fence_map_out == req_isp->num_acked) { |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 301 | list_add_tail(&req->list, &ctx->free_req_list); |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 302 | } else { |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 303 | /* need to handle the buf done */ |
| 304 | list_add_tail(&req->list, &ctx->active_req_list); |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 305 | ctx_isp->active_req_cnt++; |
| 306 | CDBG("%s: move request %lld to active list(cnt = %d)\n", |
| 307 | __func__, req->request_id, |
| 308 | ctx_isp->active_req_cnt); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 309 | ctx_isp->substate_activated = |
| 310 | CAM_ISP_CTX_ACTIVATED_EPOCH; |
| 311 | } |
| 312 | } |
| 313 | end: |
| 314 | return rc; |
| 315 | } |
| 316 | |
| 317 | static int __cam_isp_ctx_epoch_in_applied(struct cam_isp_context *ctx_isp, |
| 318 | void *evt_data) |
| 319 | { |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 320 | struct cam_ctx_request *req; |
| 321 | struct cam_isp_ctx_req *req_isp; |
| 322 | struct cam_context *ctx = ctx_isp->base; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 323 | uint64_t request_id = 0; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 324 | |
| 325 | if (list_empty(&ctx->pending_req_list)) { |
| 326 | /* |
| 327 | * If no pending req in epoch, this is an error case. |
| 328 | * The recovery is to go back to sof state |
| 329 | */ |
| 330 | pr_err("%s: No pending request\n", __func__); |
| 331 | ctx_isp->substate_activated = CAM_ISP_CTX_ACTIVATED_SOF; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 332 | |
| 333 | /* Send SOF event as empty frame*/ |
| 334 | __cam_isp_ctx_send_sof_timestamp(ctx_isp, request_id, |
| 335 | CAM_REQ_MGR_SOF_EVENT_SUCCESS); |
| 336 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 337 | goto end; |
| 338 | } |
| 339 | |
| 340 | req = list_first_entry(&ctx->pending_req_list, struct cam_ctx_request, |
| 341 | list); |
| 342 | req_isp = (struct cam_isp_ctx_req *)req->req_priv; |
| 343 | |
Jing Zhou | 45b55cc | 2017-05-16 17:27:18 -0700 | [diff] [blame] | 344 | CDBG("Report Bubble flag %d\n", req_isp->bubble_report); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 345 | if (req_isp->bubble_report && ctx->ctx_crm_intf && |
| 346 | ctx->ctx_crm_intf->notify_err) { |
| 347 | struct cam_req_mgr_error_notify notify; |
| 348 | |
| 349 | notify.link_hdl = ctx->link_hdl; |
| 350 | notify.dev_hdl = ctx->dev_hdl; |
| 351 | notify.req_id = req->request_id; |
| 352 | notify.error = CRM_KMD_ERR_BUBBLE; |
| 353 | ctx->ctx_crm_intf->notify_err(¬ify); |
Jing Zhou | 45b55cc | 2017-05-16 17:27:18 -0700 | [diff] [blame] | 354 | CDBG("%s: Notify CRM about Bubble frame %lld\n", __func__, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 355 | ctx_isp->frame_id); |
Jing Zhou | 45b55cc | 2017-05-16 17:27:18 -0700 | [diff] [blame] | 356 | } else { |
| 357 | /* |
| 358 | * Since can not bubble report, always move the request to |
| 359 | * active list. |
| 360 | */ |
| 361 | list_del_init(&req->list); |
| 362 | list_add_tail(&req->list, &ctx->active_req_list); |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 363 | ctx_isp->active_req_cnt++; |
| 364 | CDBG("%s: move request %lld to active list(cnt = %d)\n", |
| 365 | __func__, req->request_id, ctx_isp->active_req_cnt); |
Jing Zhou | 45b55cc | 2017-05-16 17:27:18 -0700 | [diff] [blame] | 366 | req_isp->bubble_report = 0; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 367 | } |
| 368 | |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 369 | request_id = req->request_id; |
| 370 | __cam_isp_ctx_send_sof_timestamp(ctx_isp, request_id, |
| 371 | CAM_REQ_MGR_SOF_EVENT_ERROR); |
| 372 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 373 | ctx_isp->substate_activated = CAM_ISP_CTX_ACTIVATED_BUBBLE; |
| 374 | CDBG("%s: next substate %d\n", __func__, |
| 375 | ctx_isp->substate_activated); |
| 376 | end: |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 377 | return 0; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 378 | } |
| 379 | |
| 380 | |
| 381 | static int __cam_isp_ctx_buf_done_in_applied(struct cam_isp_context *ctx_isp, |
| 382 | void *evt_data) |
| 383 | { |
| 384 | int rc = 0; |
| 385 | struct cam_isp_hw_done_event_data *done = |
| 386 | (struct cam_isp_hw_done_event_data *) evt_data; |
| 387 | |
| 388 | rc = __cam_isp_ctx_handle_buf_done_in_activated_state(ctx_isp, done, 0); |
| 389 | return rc; |
| 390 | } |
| 391 | |
| 392 | |
| 393 | static int __cam_isp_ctx_sof_in_epoch(struct cam_isp_context *ctx_isp, |
| 394 | void *evt_data) |
| 395 | { |
| 396 | int rc = 0; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 397 | struct cam_context *ctx = ctx_isp->base; |
| 398 | struct cam_isp_hw_sof_event_data *sof_event_data = evt_data; |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 399 | |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 400 | if (!evt_data) { |
| 401 | pr_err("%s: in valid sof event data\n", __func__); |
| 402 | return -EINVAL; |
| 403 | } |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 404 | |
| 405 | ctx_isp->frame_id++; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 406 | ctx_isp->sof_timestamp_val = sof_event_data->timestamp; |
| 407 | |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 408 | if (list_empty(&ctx->active_req_list)) |
| 409 | ctx_isp->substate_activated = CAM_ISP_CTX_ACTIVATED_SOF; |
| 410 | else |
| 411 | CDBG("%s: Still need to wait for the buf done\n", __func__); |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 412 | |
Jing Zhou | bb536a8 | 2017-05-18 15:20:38 -0700 | [diff] [blame] | 413 | CDBG("%s: next substate %d\n", __func__, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 414 | ctx_isp->substate_activated); |
| 415 | |
| 416 | return rc; |
| 417 | } |
| 418 | |
| 419 | static int __cam_isp_ctx_buf_done_in_epoch(struct cam_isp_context *ctx_isp, |
| 420 | void *evt_data) |
| 421 | { |
| 422 | int rc = 0; |
| 423 | struct cam_isp_hw_done_event_data *done = |
| 424 | (struct cam_isp_hw_done_event_data *) evt_data; |
| 425 | |
| 426 | rc = __cam_isp_ctx_handle_buf_done_in_activated_state(ctx_isp, done, 0); |
| 427 | return rc; |
| 428 | } |
| 429 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 430 | static int __cam_isp_ctx_buf_done_in_bubble( |
| 431 | struct cam_isp_context *ctx_isp, void *evt_data) |
| 432 | { |
| 433 | int rc = 0; |
| 434 | struct cam_isp_hw_done_event_data *done = |
| 435 | (struct cam_isp_hw_done_event_data *) evt_data; |
| 436 | |
| 437 | rc = __cam_isp_ctx_handle_buf_done_in_activated_state(ctx_isp, done, 1); |
| 438 | return rc; |
| 439 | } |
| 440 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 441 | static int __cam_isp_ctx_epoch_in_bubble_applied( |
| 442 | struct cam_isp_context *ctx_isp, void *evt_data) |
| 443 | { |
| 444 | struct cam_ctx_request *req; |
| 445 | struct cam_isp_ctx_req *req_isp; |
| 446 | struct cam_context *ctx = ctx_isp->base; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 447 | uint64_t request_id = 0; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 448 | |
| 449 | /* |
| 450 | * This means we missed the reg upd ack. So we need to |
| 451 | * transition to BUBBLE state again. |
| 452 | */ |
| 453 | |
| 454 | if (list_empty(&ctx->pending_req_list)) { |
| 455 | /* |
| 456 | * If no pending req in epoch, this is an error case. |
| 457 | * Just go back to the bubble state. |
| 458 | */ |
| 459 | pr_err("%s: No pending request.\n", __func__); |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 460 | __cam_isp_ctx_send_sof_timestamp(ctx_isp, request_id, |
| 461 | CAM_REQ_MGR_SOF_EVENT_SUCCESS); |
| 462 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 463 | ctx_isp->substate_activated = CAM_ISP_CTX_ACTIVATED_BUBBLE; |
| 464 | goto end; |
| 465 | } |
| 466 | |
| 467 | req = list_first_entry(&ctx->pending_req_list, struct cam_ctx_request, |
| 468 | list); |
| 469 | req_isp = (struct cam_isp_ctx_req *)req->req_priv; |
| 470 | |
| 471 | if (req_isp->bubble_report && ctx->ctx_crm_intf && |
| 472 | ctx->ctx_crm_intf->notify_err) { |
| 473 | struct cam_req_mgr_error_notify notify; |
| 474 | |
| 475 | notify.link_hdl = ctx->link_hdl; |
| 476 | notify.dev_hdl = ctx->dev_hdl; |
| 477 | notify.req_id = req->request_id; |
| 478 | notify.error = CRM_KMD_ERR_BUBBLE; |
| 479 | ctx->ctx_crm_intf->notify_err(¬ify); |
| 480 | CDBG("%s: Notify CRM about Bubble frame %lld\n", __func__, |
| 481 | ctx_isp->frame_id); |
Jing Zhou | 45b55cc | 2017-05-16 17:27:18 -0700 | [diff] [blame] | 482 | } else { |
| 483 | /* |
| 484 | * If we can not report bubble, then treat it as if no bubble |
| 485 | * report. Just move the req to active list. |
| 486 | */ |
| 487 | list_del_init(&req->list); |
| 488 | list_add_tail(&req->list, &ctx->active_req_list); |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 489 | ctx_isp->active_req_cnt++; |
| 490 | CDBG("%s: move request %lld to active list(cnt = %d)\n", |
| 491 | __func__, req->request_id, ctx_isp->active_req_cnt); |
Jing Zhou | 45b55cc | 2017-05-16 17:27:18 -0700 | [diff] [blame] | 492 | req_isp->bubble_report = 0; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 493 | } |
| 494 | |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 495 | request_id = req->request_id; |
| 496 | __cam_isp_ctx_send_sof_timestamp(ctx_isp, request_id, |
| 497 | CAM_REQ_MGR_SOF_EVENT_ERROR); |
| 498 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 499 | ctx_isp->substate_activated = CAM_ISP_CTX_ACTIVATED_BUBBLE; |
| 500 | CDBG("%s: next substate %d\n", __func__, ctx_isp->substate_activated); |
| 501 | end: |
| 502 | return 0; |
| 503 | } |
| 504 | |
| 505 | static int __cam_isp_ctx_buf_done_in_bubble_applied( |
| 506 | struct cam_isp_context *ctx_isp, void *evt_data) |
| 507 | { |
| 508 | int rc = 0; |
| 509 | struct cam_isp_hw_done_event_data *done = |
| 510 | (struct cam_isp_hw_done_event_data *) evt_data; |
| 511 | |
| 512 | rc = __cam_isp_ctx_handle_buf_done_in_activated_state(ctx_isp, done, 1); |
| 513 | return rc; |
| 514 | } |
| 515 | |
| 516 | static int __cam_isp_ctx_handle_error(struct cam_isp_context *ctx_isp, |
| 517 | void *evt_data) |
| 518 | { |
| 519 | int rc = 0; |
| 520 | struct cam_ctx_request *req; |
| 521 | struct cam_req_mgr_error_notify notify; |
| 522 | |
| 523 | struct cam_context *ctx = ctx_isp->base; |
| 524 | struct cam_isp_hw_error_event_data *error_event_data = |
| 525 | (struct cam_isp_hw_error_event_data *)evt_data; |
| 526 | |
| 527 | uint32_t error_type = error_event_data->error_type; |
| 528 | |
| 529 | CDBG("%s: Enter error_type = %d\n", __func__, error_type); |
| 530 | if ((error_type == CAM_ISP_HW_ERROR_OVERFLOW) || |
| 531 | (error_type == CAM_ISP_HW_ERROR_BUSIF_OVERFLOW)) |
| 532 | notify.error = CRM_KMD_ERR_FATAL; |
| 533 | |
| 534 | /* |
| 535 | * Need to check the active req |
| 536 | * move all of them to the pending request list |
| 537 | * Note this funciton need revisit! |
| 538 | */ |
| 539 | |
| 540 | if (list_empty(&ctx->active_req_list)) { |
| 541 | pr_err("handling error with no active request!\n"); |
| 542 | rc = -EINVAL; |
| 543 | goto end; |
| 544 | } |
| 545 | |
| 546 | req = list_first_entry(&ctx->active_req_list, |
| 547 | struct cam_ctx_request, list); |
| 548 | |
| 549 | if (ctx->ctx_crm_intf && ctx->ctx_crm_intf->notify_err) { |
| 550 | notify.link_hdl = ctx->link_hdl; |
| 551 | notify.dev_hdl = ctx->dev_hdl; |
| 552 | notify.req_id = req->request_id; |
| 553 | |
| 554 | ctx->ctx_crm_intf->notify_err(¬ify); |
| 555 | pr_err("%s: Notify CRM about ERROR frame %lld\n", __func__, |
| 556 | ctx_isp->frame_id); |
| 557 | } else { |
| 558 | pr_err("%s: Can not notify ERRROR to CRM\n", __func__); |
| 559 | rc = -EFAULT; |
| 560 | } |
| 561 | |
| 562 | list_del_init(&req->list); |
| 563 | list_add(&req->list, &ctx->pending_req_list); |
| 564 | /* might need to check if active list is empty */ |
| 565 | |
| 566 | end: |
| 567 | CDBG("%s: Exit\n", __func__); |
| 568 | return rc; |
| 569 | } |
| 570 | |
| 571 | static struct cam_isp_ctx_irq_ops |
| 572 | cam_isp_ctx_activated_state_machine_irq[CAM_ISP_CTX_ACTIVATED_MAX] = { |
| 573 | /* SOF */ |
| 574 | { |
| 575 | .irq_ops = { |
| 576 | NULL, |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 577 | __cam_isp_ctx_sof_in_activated_state, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 578 | __cam_isp_ctx_reg_upd_in_sof, |
| 579 | __cam_isp_ctx_notify_sof_in_actived_state, |
| 580 | NULL, |
| 581 | NULL, |
| 582 | }, |
| 583 | }, |
| 584 | /* APPLIED */ |
| 585 | { |
| 586 | .irq_ops = { |
| 587 | __cam_isp_ctx_handle_error, |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 588 | __cam_isp_ctx_sof_in_activated_state, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 589 | __cam_isp_ctx_reg_upd_in_activated_state, |
| 590 | __cam_isp_ctx_epoch_in_applied, |
| 591 | NULL, |
| 592 | __cam_isp_ctx_buf_done_in_applied, |
| 593 | }, |
| 594 | }, |
| 595 | /* EPOCH */ |
| 596 | { |
| 597 | .irq_ops = { |
| 598 | __cam_isp_ctx_handle_error, |
| 599 | __cam_isp_ctx_sof_in_epoch, |
| 600 | NULL, |
| 601 | __cam_isp_ctx_notify_sof_in_actived_state, |
| 602 | NULL, |
| 603 | __cam_isp_ctx_buf_done_in_epoch, |
| 604 | }, |
| 605 | }, |
| 606 | /* BUBBLE */ |
| 607 | { |
| 608 | .irq_ops = { |
| 609 | NULL, |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 610 | __cam_isp_ctx_sof_in_activated_state, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 611 | NULL, |
| 612 | __cam_isp_ctx_notify_sof_in_actived_state, |
| 613 | NULL, |
| 614 | __cam_isp_ctx_buf_done_in_bubble, |
| 615 | }, |
| 616 | }, |
| 617 | /* Bubble Applied */ |
| 618 | { |
| 619 | .irq_ops = { |
| 620 | NULL, |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 621 | __cam_isp_ctx_sof_in_activated_state, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 622 | __cam_isp_ctx_reg_upd_in_activated_state, |
| 623 | __cam_isp_ctx_epoch_in_bubble_applied, |
| 624 | NULL, |
| 625 | __cam_isp_ctx_buf_done_in_bubble_applied, |
| 626 | }, |
| 627 | }, |
| 628 | /* HALT */ |
| 629 | { |
| 630 | }, |
| 631 | }; |
| 632 | |
| 633 | static int __cam_isp_ctx_apply_req_in_activated_state( |
| 634 | struct cam_context *ctx, struct cam_req_mgr_apply_request *apply, |
| 635 | uint32_t next_state) |
| 636 | { |
| 637 | int rc = 0; |
| 638 | struct cam_ctx_request *req; |
| 639 | struct cam_isp_ctx_req *req_isp; |
| 640 | struct cam_isp_context *ctx_isp; |
| 641 | struct cam_hw_config_args cfg; |
| 642 | |
| 643 | if (list_empty(&ctx->pending_req_list)) { |
| 644 | pr_err("%s: No available request for Apply id %lld\n", |
| 645 | __func__, apply->request_id); |
| 646 | rc = -EFAULT; |
| 647 | goto end; |
| 648 | } |
Jing Zhou | 9eabf47 | 2017-05-16 11:59:41 -0700 | [diff] [blame] | 649 | |
| 650 | /* |
| 651 | * When the pipeline has issue, the requests can be queued up in the |
| 652 | * pipeline. In this case, we should reject the additional request. |
| 653 | * The maximum number of request allowed to be outstanding is 2. |
| 654 | * |
| 655 | */ |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 656 | ctx_isp = (struct cam_isp_context *) ctx->ctx_priv; |
| 657 | if (ctx_isp->active_req_cnt >= 2) { |
| 658 | CDBG("%s: Reject apply request due to congestion(cnt = %d)\n", |
| 659 | __func__, ctx_isp->active_req_cnt); |
| 660 | rc = -EFAULT; |
| 661 | goto end; |
Jing Zhou | 9eabf47 | 2017-05-16 11:59:41 -0700 | [diff] [blame] | 662 | } |
| 663 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 664 | req = list_first_entry(&ctx->pending_req_list, struct cam_ctx_request, |
| 665 | list); |
| 666 | |
| 667 | /* |
| 668 | * Check whehter the request id is matching the tip, if not, this means |
| 669 | * we are in the middle of the error handling. Need to reject this apply |
| 670 | */ |
| 671 | if (req->request_id != apply->request_id) { |
| 672 | rc = -EFAULT; |
| 673 | goto end; |
| 674 | } |
| 675 | |
Jing Zhou | 45b55cc | 2017-05-16 17:27:18 -0700 | [diff] [blame] | 676 | CDBG("%s: Apply request %lld\n", __func__, req->request_id); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 677 | req_isp = (struct cam_isp_ctx_req *) req->req_priv; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 678 | |
| 679 | req_isp->bubble_report = apply->report_if_bubble; |
| 680 | |
| 681 | cfg.ctxt_to_hw_map = ctx_isp->hw_ctx; |
| 682 | cfg.hw_update_entries = req_isp->cfg; |
| 683 | cfg.num_hw_update_entries = req_isp->num_cfg; |
| 684 | |
| 685 | rc = ctx->hw_mgr_intf->hw_config(ctx->hw_mgr_intf->hw_mgr_priv, &cfg); |
| 686 | if (rc) { |
| 687 | pr_err("%s: Can not apply the configuration\n", __func__); |
| 688 | } else { |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 689 | spin_lock_bh(&ctx->lock); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 690 | ctx_isp->substate_activated = next_state; |
| 691 | CDBG("%s: new state %d\n", __func__, next_state); |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 692 | spin_unlock_bh(&ctx->lock); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 693 | } |
| 694 | end: |
| 695 | return rc; |
| 696 | } |
| 697 | |
| 698 | static int __cam_isp_ctx_apply_req_in_sof( |
| 699 | struct cam_context *ctx, struct cam_req_mgr_apply_request *apply) |
| 700 | { |
| 701 | int rc = 0; |
| 702 | struct cam_isp_context *ctx_isp = |
| 703 | (struct cam_isp_context *) ctx->ctx_priv; |
| 704 | |
| 705 | CDBG("%s: current substate %d\n", __func__, |
| 706 | ctx_isp->substate_activated); |
| 707 | rc = __cam_isp_ctx_apply_req_in_activated_state(ctx, apply, |
| 708 | CAM_ISP_CTX_ACTIVATED_APPLIED); |
| 709 | CDBG("%s: new substate %d\n", __func__, ctx_isp->substate_activated); |
| 710 | |
| 711 | return rc; |
| 712 | } |
| 713 | |
| 714 | static int __cam_isp_ctx_apply_req_in_epoch( |
| 715 | struct cam_context *ctx, struct cam_req_mgr_apply_request *apply) |
| 716 | { |
| 717 | int rc = 0; |
| 718 | struct cam_isp_context *ctx_isp = |
| 719 | (struct cam_isp_context *) ctx->ctx_priv; |
| 720 | |
| 721 | CDBG("%s: current substate %d\n", __func__, |
| 722 | ctx_isp->substate_activated); |
| 723 | rc = __cam_isp_ctx_apply_req_in_activated_state(ctx, apply, |
| 724 | CAM_ISP_CTX_ACTIVATED_APPLIED); |
| 725 | CDBG("%s: new substate %d\n", __func__, ctx_isp->substate_activated); |
| 726 | |
| 727 | return rc; |
| 728 | } |
| 729 | |
| 730 | static int __cam_isp_ctx_apply_req_in_bubble( |
| 731 | struct cam_context *ctx, struct cam_req_mgr_apply_request *apply) |
| 732 | { |
| 733 | int rc = 0; |
| 734 | struct cam_isp_context *ctx_isp = |
| 735 | (struct cam_isp_context *) ctx->ctx_priv; |
| 736 | |
| 737 | CDBG("%s: current substate %d\n", __func__, |
| 738 | ctx_isp->substate_activated); |
| 739 | rc = __cam_isp_ctx_apply_req_in_activated_state(ctx, apply, |
| 740 | CAM_ISP_CTX_ACTIVATED_BUBBLE_APPLIED); |
| 741 | CDBG("%s: new substate %d\n", __func__, ctx_isp->substate_activated); |
| 742 | |
| 743 | return rc; |
| 744 | } |
| 745 | |
Jing Zhou | b524a85 | 2017-05-16 15:47:30 +0530 | [diff] [blame] | 746 | static int __cam_isp_ctx_flush_req(struct cam_context *ctx, |
| 747 | struct list_head *req_list, struct cam_req_mgr_flush_request *flush_req) |
| 748 | { |
| 749 | int i, rc; |
| 750 | uint32_t cancel_req_id_found = 0; |
| 751 | struct cam_ctx_request *req; |
| 752 | struct cam_ctx_request *req_temp; |
| 753 | struct cam_isp_ctx_req *req_isp; |
| 754 | |
| 755 | spin_lock(&ctx->lock); |
| 756 | if (list_empty(req_list)) { |
| 757 | spin_unlock(&ctx->lock); |
| 758 | CDBG("%s: request list is empty\n", __func__); |
| 759 | return 0; |
| 760 | } |
| 761 | |
| 762 | list_for_each_entry_safe(req, req_temp, req_list, list) { |
| 763 | if ((flush_req->type == CAM_REQ_MGR_FLUSH_TYPE_CANCEL_REQ) |
| 764 | && (req->request_id != flush_req->req_id)) |
| 765 | continue; |
| 766 | |
| 767 | list_del_init(&req->list); |
| 768 | req_isp = (struct cam_isp_ctx_req *) req->req_priv; |
| 769 | for (i = 0; i < req_isp->num_fence_map_out; i++) { |
| 770 | if (req_isp->fence_map_out[i].sync_id != -1) { |
| 771 | CDBG("%s: Flush req 0x%llx, fence %d\n", |
| 772 | __func__, req->request_id, |
| 773 | req_isp->fence_map_out[i].sync_id); |
| 774 | rc = cam_sync_signal( |
| 775 | req_isp->fence_map_out[i].sync_id, |
| 776 | CAM_SYNC_STATE_SIGNALED_ERROR); |
| 777 | if (rc) |
| 778 | pr_err_ratelimited("%s: signal fence failed\n", |
| 779 | __func__); |
| 780 | req_isp->fence_map_out[i].sync_id = -1; |
| 781 | } |
| 782 | } |
| 783 | list_add_tail(&req->list, &ctx->free_req_list); |
| 784 | |
| 785 | /* If flush request id found, exit the loop */ |
| 786 | if (flush_req->type == CAM_REQ_MGR_FLUSH_TYPE_CANCEL_REQ) { |
| 787 | cancel_req_id_found = 1; |
| 788 | break; |
| 789 | } |
| 790 | } |
| 791 | spin_unlock(&ctx->lock); |
| 792 | |
| 793 | if (flush_req->type == CAM_REQ_MGR_FLUSH_TYPE_CANCEL_REQ && |
| 794 | !cancel_req_id_found) |
| 795 | CDBG("%s:Flush request id:%lld is not found in the list\n", |
| 796 | __func__, flush_req->req_id); |
| 797 | |
| 798 | return 0; |
| 799 | } |
| 800 | |
| 801 | static int __cam_isp_ctx_flush_req_in_top_state( |
| 802 | struct cam_context *ctx, |
| 803 | struct cam_req_mgr_flush_request *flush_req) |
| 804 | { |
| 805 | int rc = 0; |
| 806 | |
| 807 | CDBG("%s: try to flush pending list\n", __func__); |
| 808 | rc = __cam_isp_ctx_flush_req(ctx, &ctx->pending_req_list, flush_req); |
| 809 | CDBG("%s: Flush request in top state %d\n", |
| 810 | __func__, ctx->state); |
| 811 | return rc; |
| 812 | } |
| 813 | |
| 814 | static int __cam_isp_ctx_flush_req_in_ready( |
| 815 | struct cam_context *ctx, |
| 816 | struct cam_req_mgr_flush_request *flush_req) |
| 817 | { |
| 818 | int rc = 0; |
| 819 | |
| 820 | CDBG("%s: try to flush pending list\n", __func__); |
| 821 | rc = __cam_isp_ctx_flush_req(ctx, &ctx->pending_req_list, flush_req); |
| 822 | |
| 823 | /* if nothing is in pending req list, change state to acquire*/ |
| 824 | spin_lock(&ctx->lock); |
| 825 | if (list_empty(&ctx->pending_req_list)) |
| 826 | ctx->state = CAM_CTX_ACQUIRED; |
| 827 | spin_unlock(&ctx->lock); |
| 828 | |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 829 | trace_cam_context_state("ISP", ctx); |
| 830 | |
Jing Zhou | b524a85 | 2017-05-16 15:47:30 +0530 | [diff] [blame] | 831 | CDBG("%s: Flush request in ready state. next state %d\n", |
| 832 | __func__, ctx->state); |
| 833 | return rc; |
| 834 | } |
| 835 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 836 | static struct cam_ctx_ops |
| 837 | cam_isp_ctx_activated_state_machine[CAM_ISP_CTX_ACTIVATED_MAX] = { |
| 838 | /* SOF */ |
| 839 | { |
| 840 | .ioctl_ops = {}, |
| 841 | .crm_ops = { |
| 842 | .apply_req = __cam_isp_ctx_apply_req_in_sof, |
| 843 | }, |
| 844 | .irq_ops = NULL, |
| 845 | }, |
| 846 | /* APPLIED */ |
| 847 | { |
| 848 | .ioctl_ops = {}, |
| 849 | .crm_ops = {}, |
| 850 | .irq_ops = NULL, |
| 851 | }, |
| 852 | /* EPOCH */ |
| 853 | { |
| 854 | .ioctl_ops = {}, |
| 855 | .crm_ops = { |
| 856 | .apply_req = __cam_isp_ctx_apply_req_in_epoch, |
| 857 | }, |
| 858 | .irq_ops = NULL, |
| 859 | }, |
| 860 | /* BUBBLE */ |
| 861 | { |
| 862 | .ioctl_ops = {}, |
| 863 | .crm_ops = { |
| 864 | .apply_req = __cam_isp_ctx_apply_req_in_bubble, |
| 865 | }, |
| 866 | .irq_ops = NULL, |
| 867 | }, |
| 868 | /* Bubble Applied */ |
| 869 | { |
| 870 | .ioctl_ops = {}, |
| 871 | .crm_ops = {}, |
| 872 | .irq_ops = NULL, |
| 873 | }, |
| 874 | /* HALT */ |
| 875 | { |
| 876 | .ioctl_ops = {}, |
| 877 | .crm_ops = {}, |
| 878 | .irq_ops = NULL, |
| 879 | }, |
| 880 | }; |
| 881 | |
| 882 | |
| 883 | /* top level state machine */ |
| 884 | static int __cam_isp_ctx_release_dev_in_top_state(struct cam_context *ctx, |
| 885 | struct cam_release_dev_cmd *cmd) |
| 886 | { |
| 887 | int rc = 0; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 888 | struct cam_hw_release_args rel_arg; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 889 | struct cam_isp_context *ctx_isp = |
| 890 | (struct cam_isp_context *) ctx->ctx_priv; |
Jing Zhou | b524a85 | 2017-05-16 15:47:30 +0530 | [diff] [blame] | 891 | struct cam_req_mgr_flush_request flush_req; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 892 | |
| 893 | if (ctx_isp->hw_ctx) { |
| 894 | rel_arg.ctxt_to_hw_map = ctx_isp->hw_ctx; |
| 895 | ctx->hw_mgr_intf->hw_release(ctx->hw_mgr_intf->hw_mgr_priv, |
| 896 | &rel_arg); |
| 897 | ctx_isp->hw_ctx = NULL; |
| 898 | } |
| 899 | |
| 900 | ctx->session_hdl = 0; |
| 901 | ctx->dev_hdl = 0; |
| 902 | ctx->link_hdl = 0; |
Jing Zhou | e71fd4a | 2017-05-15 19:44:34 -0700 | [diff] [blame] | 903 | ctx->ctx_crm_intf = NULL; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 904 | ctx_isp->frame_id = 0; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 905 | ctx_isp->active_req_cnt = 0; |
| 906 | ctx_isp->reported_req_id = 0; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 907 | |
| 908 | /* |
| 909 | * Ideally, we should never have any active request here. |
| 910 | * But we still add some sanity check code here to help the debug |
| 911 | */ |
| 912 | if (!list_empty(&ctx->active_req_list)) |
Jing Zhou | b524a85 | 2017-05-16 15:47:30 +0530 | [diff] [blame] | 913 | pr_err("%s: Active list is not empty\n", __func__); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 914 | |
Jing Zhou | b524a85 | 2017-05-16 15:47:30 +0530 | [diff] [blame] | 915 | /* Flush all the pending request list */ |
| 916 | flush_req.type = CAM_REQ_MGR_FLUSH_TYPE_ALL; |
| 917 | flush_req.link_hdl = ctx->link_hdl; |
| 918 | flush_req.dev_hdl = ctx->dev_hdl; |
| 919 | |
| 920 | CDBG("%s: try to flush pending list\n", __func__); |
| 921 | rc = __cam_isp_ctx_flush_req(ctx, &ctx->pending_req_list, &flush_req); |
| 922 | |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 923 | ctx->state = CAM_CTX_AVAILABLE; |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 924 | |
| 925 | trace_cam_context_state("ISP", ctx); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 926 | CDBG("%s: next state %d\n", __func__, ctx->state); |
| 927 | return rc; |
| 928 | } |
| 929 | |
| 930 | static int __cam_isp_ctx_config_dev_in_top_state( |
| 931 | struct cam_context *ctx, struct cam_config_dev_cmd *cmd) |
| 932 | { |
| 933 | int rc = 0; |
| 934 | struct cam_ctx_request *req = NULL; |
| 935 | struct cam_isp_ctx_req *req_isp; |
| 936 | uint64_t packet_addr; |
| 937 | struct cam_packet *packet; |
| 938 | size_t len = 0; |
| 939 | struct cam_hw_prepare_update_args cfg; |
| 940 | struct cam_req_mgr_add_request add_req; |
| 941 | struct cam_isp_context *ctx_isp = |
| 942 | (struct cam_isp_context *) ctx->ctx_priv; |
| 943 | |
| 944 | CDBG("%s: get free request object......\n", __func__); |
| 945 | |
| 946 | /* get free request */ |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 947 | spin_lock_bh(&ctx->lock); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 948 | if (!list_empty(&ctx->free_req_list)) { |
| 949 | req = list_first_entry(&ctx->free_req_list, |
| 950 | struct cam_ctx_request, list); |
| 951 | list_del_init(&req->list); |
| 952 | } |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 953 | spin_unlock_bh(&ctx->lock); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 954 | |
| 955 | if (!req) { |
| 956 | pr_err("%s: No more request obj free\n", __func__); |
| 957 | rc = -ENOMEM; |
| 958 | goto end; |
| 959 | } |
| 960 | |
| 961 | req_isp = (struct cam_isp_ctx_req *) req->req_priv; |
| 962 | |
| 963 | /* for config dev, only memory handle is supported */ |
| 964 | /* map packet from the memhandle */ |
| 965 | rc = cam_mem_get_cpu_buf((int32_t) cmd->packet_handle, |
| 966 | (uint64_t *) &packet_addr, &len); |
| 967 | if (rc != 0) { |
| 968 | pr_err("%s: Can not get packet address\n", __func__); |
| 969 | rc = -EINVAL; |
| 970 | goto free_req; |
| 971 | } |
| 972 | |
| 973 | packet = (struct cam_packet *) (packet_addr + cmd->offset); |
| 974 | CDBG("%s: pack_handle %llx\n", __func__, cmd->packet_handle); |
| 975 | CDBG("%s: packet address is 0x%llx\n", __func__, packet_addr); |
| 976 | CDBG("%s: packet with length %zu, offset 0x%llx\n", __func__, |
| 977 | len, cmd->offset); |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 978 | CDBG("%s: Packet request id %lld\n", __func__, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 979 | packet->header.request_id); |
| 980 | CDBG("%s: Packet size 0x%x\n", __func__, packet->header.size); |
| 981 | CDBG("%s: packet op %d\n", __func__, packet->header.op_code); |
| 982 | |
| 983 | /* preprocess the configuration */ |
| 984 | memset(&cfg, 0, sizeof(cfg)); |
| 985 | cfg.packet = packet; |
| 986 | cfg.ctxt_to_hw_map = ctx_isp->hw_ctx; |
| 987 | cfg.max_hw_update_entries = CAM_ISP_CTX_CFG_MAX; |
| 988 | cfg.hw_update_entries = req_isp->cfg; |
| 989 | cfg.max_out_map_entries = CAM_ISP_CTX_RES_MAX; |
| 990 | cfg.max_in_map_entries = CAM_ISP_CTX_RES_MAX; |
| 991 | cfg.out_map_entries = req_isp->fence_map_out; |
| 992 | cfg.in_map_entries = req_isp->fence_map_in; |
| 993 | |
| 994 | CDBG("%s: try to prepare config packet......\n", __func__); |
| 995 | |
| 996 | rc = ctx->hw_mgr_intf->hw_prepare_update( |
| 997 | ctx->hw_mgr_intf->hw_mgr_priv, &cfg); |
| 998 | if (rc != 0) { |
| 999 | pr_err("%s: Prepare config packet failed in HW layer\n", |
| 1000 | __func__); |
| 1001 | rc = -EFAULT; |
| 1002 | goto free_req; |
| 1003 | } |
| 1004 | req_isp->num_cfg = cfg.num_hw_update_entries; |
| 1005 | req_isp->num_fence_map_out = cfg.num_out_map_entries; |
| 1006 | req_isp->num_fence_map_in = cfg.num_in_map_entries; |
| 1007 | req_isp->num_acked = 0; |
| 1008 | |
| 1009 | CDBG("%s: num_entry: %d, num fence out: %d, num fence in: %d\n", |
| 1010 | __func__, req_isp->num_cfg, req_isp->num_fence_map_out, |
| 1011 | req_isp->num_fence_map_in); |
| 1012 | |
| 1013 | req->request_id = packet->header.request_id; |
| 1014 | req->status = 1; |
| 1015 | |
| 1016 | if (ctx->state == CAM_CTX_ACTIVATED && ctx->ctx_crm_intf->add_req) { |
| 1017 | add_req.link_hdl = ctx->link_hdl; |
| 1018 | add_req.dev_hdl = ctx->dev_hdl; |
| 1019 | add_req.req_id = req->request_id; |
| 1020 | rc = ctx->ctx_crm_intf->add_req(&add_req); |
| 1021 | if (rc) { |
| 1022 | pr_err("%s: Error: Adding request id=%llu\n", __func__, |
| 1023 | req->request_id); |
| 1024 | goto free_req; |
| 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | CDBG("%s: Packet request id 0x%llx\n", __func__, |
| 1029 | packet->header.request_id); |
| 1030 | |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 1031 | spin_lock_bh(&ctx->lock); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1032 | list_add_tail(&req->list, &ctx->pending_req_list); |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 1033 | spin_unlock_bh(&ctx->lock); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1034 | |
| 1035 | CDBG("%s: Preprocessing Config %lld successful\n", __func__, |
| 1036 | req->request_id); |
| 1037 | |
| 1038 | return rc; |
| 1039 | |
| 1040 | free_req: |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 1041 | spin_lock_bh(&ctx->lock); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1042 | list_add_tail(&req->list, &ctx->free_req_list); |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 1043 | spin_unlock_bh(&ctx->lock); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1044 | end: |
| 1045 | return rc; |
| 1046 | } |
| 1047 | |
| 1048 | static int __cam_isp_ctx_acquire_dev_in_available(struct cam_context *ctx, |
| 1049 | struct cam_acquire_dev_cmd *cmd) |
| 1050 | { |
| 1051 | int rc = 0; |
| 1052 | struct cam_hw_acquire_args param; |
| 1053 | struct cam_isp_resource *isp_res = NULL; |
| 1054 | struct cam_create_dev_hdl req_hdl_param; |
| 1055 | struct cam_hw_release_args release; |
| 1056 | struct cam_isp_context *ctx_isp = |
| 1057 | (struct cam_isp_context *) ctx->ctx_priv; |
| 1058 | |
| 1059 | if (!ctx->hw_mgr_intf) { |
| 1060 | pr_err("HW interface is not ready!\n"); |
| 1061 | rc = -EFAULT; |
| 1062 | goto end; |
| 1063 | } |
| 1064 | |
| 1065 | CDBG("%s: session_hdl 0x%x, num_resources %d, hdl type %d, res %lld\n", |
| 1066 | __func__, cmd->session_handle, cmd->num_resources, |
| 1067 | cmd->handle_type, cmd->resource_hdl); |
| 1068 | |
| 1069 | if (cmd->num_resources > CAM_ISP_CTX_RES_MAX) { |
| 1070 | pr_err("Too much resources in the acquire!\n"); |
| 1071 | rc = -ENOMEM; |
| 1072 | goto end; |
| 1073 | } |
| 1074 | |
| 1075 | /* for now we only support user pointer */ |
| 1076 | if (cmd->handle_type != 1) { |
| 1077 | pr_err("%s: Only user pointer is supported!", __func__); |
| 1078 | rc = -EINVAL; |
| 1079 | goto end; |
| 1080 | } |
| 1081 | |
| 1082 | isp_res = kzalloc( |
| 1083 | sizeof(*isp_res)*cmd->num_resources, GFP_KERNEL); |
| 1084 | if (!isp_res) { |
| 1085 | rc = -ENOMEM; |
| 1086 | goto end; |
| 1087 | } |
| 1088 | |
| 1089 | CDBG("%s: start copy %d resources from user\n", |
| 1090 | __func__, cmd->num_resources); |
| 1091 | |
| 1092 | if (copy_from_user(isp_res, (void __user *)cmd->resource_hdl, |
| 1093 | sizeof(*isp_res)*cmd->num_resources)) { |
| 1094 | rc = -EFAULT; |
| 1095 | goto free_res; |
| 1096 | } |
| 1097 | |
| 1098 | param.context_data = ctx; |
| 1099 | param.event_cb = ctx->irq_cb_intf; |
| 1100 | param.num_acq = cmd->num_resources; |
| 1101 | param.acquire_info = (uint64_t) isp_res; |
| 1102 | |
| 1103 | /* call HW manager to reserve the resource */ |
| 1104 | rc = ctx->hw_mgr_intf->hw_acquire(ctx->hw_mgr_intf->hw_mgr_priv, |
| 1105 | ¶m); |
| 1106 | if (rc != 0) { |
| 1107 | pr_err("Acquire device failed\n"); |
| 1108 | goto free_res; |
| 1109 | } |
| 1110 | |
| 1111 | ctx_isp->hw_ctx = param.ctxt_to_hw_map; |
| 1112 | |
| 1113 | req_hdl_param.session_hdl = cmd->session_handle; |
| 1114 | /* bridge is not ready for these flags. so false for now */ |
| 1115 | req_hdl_param.v4l2_sub_dev_flag = 0; |
| 1116 | req_hdl_param.media_entity_flag = 0; |
| 1117 | req_hdl_param.ops = ctx->crm_ctx_intf; |
| 1118 | req_hdl_param.priv = ctx; |
| 1119 | |
| 1120 | CDBG("%s: get device handle form bridge\n", __func__); |
| 1121 | ctx->dev_hdl = cam_create_device_hdl(&req_hdl_param); |
| 1122 | if (ctx->dev_hdl <= 0) { |
| 1123 | rc = -EFAULT; |
| 1124 | pr_err("Can not create device handle\n"); |
| 1125 | goto free_hw; |
| 1126 | } |
| 1127 | cmd->dev_handle = ctx->dev_hdl; |
| 1128 | |
| 1129 | /* store session information */ |
| 1130 | ctx->session_hdl = cmd->session_handle; |
| 1131 | |
| 1132 | ctx->state = CAM_CTX_ACQUIRED; |
| 1133 | |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 1134 | trace_cam_context_state("ISP", ctx); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1135 | CDBG("%s:%d: Acquire success.\n", __func__, __LINE__); |
| 1136 | kfree(isp_res); |
| 1137 | return rc; |
| 1138 | |
| 1139 | free_hw: |
| 1140 | release.ctxt_to_hw_map = ctx_isp->hw_ctx; |
| 1141 | ctx->hw_mgr_intf->hw_release(ctx->hw_mgr_intf->hw_mgr_priv, &release); |
| 1142 | ctx_isp->hw_ctx = NULL; |
| 1143 | free_res: |
| 1144 | kfree(isp_res); |
| 1145 | end: |
| 1146 | return rc; |
| 1147 | } |
| 1148 | |
| 1149 | static int __cam_isp_ctx_config_dev_in_acquired(struct cam_context *ctx, |
| 1150 | struct cam_config_dev_cmd *cmd) |
| 1151 | { |
| 1152 | int rc = 0; |
| 1153 | |
| 1154 | rc = __cam_isp_ctx_config_dev_in_top_state(ctx, cmd); |
| 1155 | |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 1156 | if (!rc && ctx->link_hdl) { |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1157 | ctx->state = CAM_CTX_READY; |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 1158 | trace_cam_context_state("ISP", ctx); |
| 1159 | } |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1160 | |
| 1161 | CDBG("%s: next state %d\n", __func__, ctx->state); |
| 1162 | return rc; |
| 1163 | } |
| 1164 | |
| 1165 | static int __cam_isp_ctx_link_in_acquired(struct cam_context *ctx, |
| 1166 | struct cam_req_mgr_core_dev_link_setup *link) |
| 1167 | { |
| 1168 | int rc = 0; |
| 1169 | |
| 1170 | CDBG("%s:%d: Enter.........\n", __func__, __LINE__); |
| 1171 | |
| 1172 | ctx->link_hdl = link->link_hdl; |
| 1173 | ctx->ctx_crm_intf = link->crm_cb; |
| 1174 | |
| 1175 | /* change state only if we had the init config */ |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 1176 | if (!list_empty(&ctx->pending_req_list)) { |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1177 | ctx->state = CAM_CTX_READY; |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 1178 | trace_cam_context_state("ISP", ctx); |
| 1179 | } |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1180 | |
| 1181 | CDBG("%s: next state %d\n", __func__, ctx->state); |
| 1182 | |
| 1183 | return rc; |
| 1184 | } |
| 1185 | |
| 1186 | static int __cam_isp_ctx_unlink_in_acquired(struct cam_context *ctx, |
| 1187 | struct cam_req_mgr_core_dev_link_setup *unlink) |
| 1188 | { |
| 1189 | int rc = 0; |
| 1190 | |
| 1191 | ctx->link_hdl = 0; |
| 1192 | ctx->ctx_crm_intf = NULL; |
| 1193 | |
| 1194 | return rc; |
| 1195 | } |
| 1196 | |
| 1197 | static int __cam_isp_ctx_get_dev_info_in_acquired(struct cam_context *ctx, |
| 1198 | struct cam_req_mgr_device_info *dev_info) |
| 1199 | { |
| 1200 | int rc = 0; |
| 1201 | |
| 1202 | dev_info->dev_hdl = ctx->dev_hdl; |
| 1203 | strlcpy(dev_info->name, CAM_ISP_DEV_NAME, sizeof(dev_info->name)); |
| 1204 | dev_info->dev_id = CAM_REQ_MGR_DEVICE_IFE; |
| 1205 | dev_info->p_delay = 1; |
| 1206 | |
| 1207 | return rc; |
| 1208 | } |
| 1209 | |
| 1210 | static int __cam_isp_ctx_start_dev_in_ready(struct cam_context *ctx, |
| 1211 | struct cam_start_stop_dev_cmd *cmd) |
| 1212 | { |
| 1213 | int rc = 0; |
| 1214 | struct cam_hw_start_args arg; |
| 1215 | struct cam_ctx_request *req; |
| 1216 | struct cam_isp_ctx_req *req_isp; |
| 1217 | struct cam_isp_context *ctx_isp = |
| 1218 | (struct cam_isp_context *) ctx->ctx_priv; |
| 1219 | |
| 1220 | if (cmd->session_handle != ctx->session_hdl || |
| 1221 | cmd->dev_handle != ctx->dev_hdl) { |
| 1222 | rc = -EPERM; |
| 1223 | goto end; |
| 1224 | } |
| 1225 | |
| 1226 | if (list_empty(&ctx->pending_req_list)) { |
| 1227 | /* should never happen */ |
| 1228 | pr_err("%s: Start device with empty configuration\n", |
| 1229 | __func__); |
| 1230 | rc = -EFAULT; |
| 1231 | goto end; |
| 1232 | } else { |
| 1233 | req = list_first_entry(&ctx->pending_req_list, |
| 1234 | struct cam_ctx_request, list); |
| 1235 | } |
| 1236 | req_isp = (struct cam_isp_ctx_req *) req->req_priv; |
| 1237 | |
| 1238 | if (!ctx_isp->hw_ctx) { |
| 1239 | pr_err("%s:%d: Wrong hw context pointer.\n", |
| 1240 | __func__, __LINE__); |
| 1241 | rc = -EFAULT; |
| 1242 | goto end; |
| 1243 | } |
| 1244 | arg.ctxt_to_hw_map = ctx_isp->hw_ctx; |
| 1245 | arg.hw_update_entries = req_isp->cfg; |
| 1246 | arg.num_hw_update_entries = req_isp->num_cfg; |
| 1247 | |
| 1248 | ctx_isp->frame_id = 0; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 1249 | ctx_isp->active_req_cnt = 0; |
| 1250 | ctx_isp->reported_req_id = 0; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1251 | ctx_isp->substate_activated = CAM_ISP_CTX_ACTIVATED_SOF; |
| 1252 | |
| 1253 | /* |
| 1254 | * Only place to change state before calling the hw due to |
| 1255 | * hardware tasklet has higher priority that can cause the |
| 1256 | * irq handling comes early |
| 1257 | */ |
| 1258 | ctx->state = CAM_CTX_ACTIVATED; |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 1259 | trace_cam_context_state("ISP", ctx); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1260 | rc = ctx->hw_mgr_intf->hw_start(ctx->hw_mgr_intf->hw_mgr_priv, &arg); |
| 1261 | if (rc) { |
| 1262 | /* HW failure. user need to clean up the resource */ |
| 1263 | pr_err("Start HW failed\n"); |
| 1264 | ctx->state = CAM_CTX_READY; |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 1265 | trace_cam_context_state("ISP", ctx); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1266 | goto end; |
| 1267 | } |
| 1268 | CDBG("%s: start device success\n", __func__); |
| 1269 | end: |
| 1270 | return rc; |
| 1271 | } |
| 1272 | |
| 1273 | static int __cam_isp_ctx_unlink_in_ready(struct cam_context *ctx, |
| 1274 | struct cam_req_mgr_core_dev_link_setup *unlink) |
| 1275 | { |
| 1276 | int rc = 0; |
| 1277 | |
| 1278 | ctx->link_hdl = 0; |
| 1279 | ctx->ctx_crm_intf = NULL; |
| 1280 | ctx->state = CAM_CTX_ACQUIRED; |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 1281 | trace_cam_context_state("ISP", ctx); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1282 | |
| 1283 | return rc; |
| 1284 | } |
| 1285 | |
| 1286 | static int __cam_isp_ctx_stop_dev_in_activated_unlock( |
| 1287 | struct cam_context *ctx) |
| 1288 | { |
| 1289 | int rc = 0; |
| 1290 | uint32_t i; |
| 1291 | struct cam_hw_stop_args stop; |
| 1292 | struct cam_ctx_request *req; |
| 1293 | struct cam_isp_ctx_req *req_isp; |
| 1294 | struct cam_isp_context *ctx_isp = |
| 1295 | (struct cam_isp_context *) ctx->ctx_priv; |
| 1296 | |
| 1297 | /* Mask off all the incoming hardware events */ |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 1298 | spin_lock_bh(&ctx->lock); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1299 | ctx_isp->substate_activated = CAM_ISP_CTX_ACTIVATED_HALT; |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 1300 | spin_unlock_bh(&ctx->lock); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1301 | CDBG("%s: next substate %d", __func__, ctx_isp->substate_activated); |
| 1302 | |
| 1303 | /* stop hw first */ |
| 1304 | if (ctx_isp->hw_ctx) { |
| 1305 | stop.ctxt_to_hw_map = ctx_isp->hw_ctx; |
| 1306 | ctx->hw_mgr_intf->hw_stop(ctx->hw_mgr_intf->hw_mgr_priv, |
| 1307 | &stop); |
| 1308 | } |
| 1309 | |
| 1310 | while (!list_empty(&ctx->pending_req_list)) { |
| 1311 | req = list_first_entry(&ctx->pending_req_list, |
| 1312 | struct cam_ctx_request, list); |
| 1313 | list_del_init(&req->list); |
| 1314 | req_isp = (struct cam_isp_ctx_req *) req->req_priv; |
| 1315 | CDBG("%s: signal fence in pending list. fence num %d\n", |
| 1316 | __func__, req_isp->num_fence_map_out); |
| 1317 | for (i = 0; i < req_isp->num_fence_map_out; i++) |
| 1318 | if (req_isp->fence_map_out[i].sync_id != -1) { |
| 1319 | cam_sync_signal( |
| 1320 | req_isp->fence_map_out[i].sync_id, |
| 1321 | CAM_SYNC_STATE_SIGNALED_ERROR); |
| 1322 | } |
| 1323 | list_add_tail(&req->list, &ctx->free_req_list); |
| 1324 | } |
| 1325 | |
| 1326 | while (!list_empty(&ctx->active_req_list)) { |
| 1327 | req = list_first_entry(&ctx->active_req_list, |
| 1328 | struct cam_ctx_request, list); |
| 1329 | list_del_init(&req->list); |
| 1330 | req_isp = (struct cam_isp_ctx_req *) req->req_priv; |
| 1331 | CDBG("%s: signal fence in active list. fence num %d\n", |
| 1332 | __func__, req_isp->num_fence_map_out); |
| 1333 | for (i = 0; i < req_isp->num_fence_map_out; i++) |
| 1334 | if (req_isp->fence_map_out[i].sync_id != -1) { |
| 1335 | cam_sync_signal( |
| 1336 | req_isp->fence_map_out[i].sync_id, |
| 1337 | CAM_SYNC_STATE_SIGNALED_ERROR); |
| 1338 | } |
| 1339 | list_add_tail(&req->list, &ctx->free_req_list); |
| 1340 | } |
| 1341 | ctx_isp->frame_id = 0; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 1342 | ctx_isp->active_req_cnt = 0; |
| 1343 | ctx_isp->reported_req_id = 0; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1344 | |
| 1345 | CDBG("%s: next state %d", __func__, ctx->state); |
| 1346 | return rc; |
| 1347 | } |
| 1348 | |
| 1349 | static int __cam_isp_ctx_stop_dev_in_activated(struct cam_context *ctx, |
| 1350 | struct cam_start_stop_dev_cmd *cmd) |
| 1351 | { |
| 1352 | int rc = 0; |
| 1353 | |
| 1354 | __cam_isp_ctx_stop_dev_in_activated_unlock(ctx); |
| 1355 | ctx->state = CAM_CTX_ACQUIRED; |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 1356 | trace_cam_context_state("ISP", ctx); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1357 | return rc; |
| 1358 | } |
| 1359 | |
| 1360 | static int __cam_isp_ctx_release_dev_in_activated(struct cam_context *ctx, |
| 1361 | struct cam_release_dev_cmd *cmd) |
| 1362 | { |
| 1363 | int rc = 0; |
| 1364 | struct cam_isp_context *ctx_isp = |
| 1365 | (struct cam_isp_context *) ctx->ctx_priv; |
| 1366 | |
| 1367 | __cam_isp_ctx_stop_dev_in_activated_unlock(ctx); |
| 1368 | |
| 1369 | if (ctx_isp->hw_ctx) { |
| 1370 | struct cam_hw_release_args arg; |
| 1371 | |
| 1372 | arg.ctxt_to_hw_map = ctx_isp->hw_ctx; |
| 1373 | ctx->hw_mgr_intf->hw_release(ctx->hw_mgr_intf->hw_mgr_priv, |
| 1374 | &arg); |
| 1375 | ctx_isp->hw_ctx = NULL; |
| 1376 | } |
| 1377 | |
| 1378 | ctx->session_hdl = 0; |
| 1379 | ctx->dev_hdl = 0; |
| 1380 | ctx->link_hdl = 0; |
| 1381 | ctx->ctx_crm_intf = NULL; |
| 1382 | |
| 1383 | ctx->state = CAM_CTX_AVAILABLE; |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 1384 | trace_cam_context_state("ISP", ctx); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1385 | |
| 1386 | return rc; |
| 1387 | } |
| 1388 | |
| 1389 | static int __cam_isp_ctx_apply_req(struct cam_context *ctx, |
| 1390 | struct cam_req_mgr_apply_request *apply) |
| 1391 | { |
| 1392 | int rc = 0; |
| 1393 | struct cam_isp_context *ctx_isp = |
| 1394 | (struct cam_isp_context *) ctx->ctx_priv; |
| 1395 | |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 1396 | trace_cam_apply_req("ISP", apply); |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 1397 | CDBG("%s: Enter: apply req in Substate %d request _id:%lld\n", |
| 1398 | __func__, ctx_isp->substate_activated, apply->request_id); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1399 | if (ctx_isp->substate_machine[ctx_isp->substate_activated]. |
| 1400 | crm_ops.apply_req) { |
| 1401 | rc = ctx_isp->substate_machine[ctx_isp->substate_activated]. |
| 1402 | crm_ops.apply_req(ctx, apply); |
| 1403 | } else { |
| 1404 | pr_err("%s: No handle function in activated substate %d\n", |
| 1405 | __func__, ctx_isp->substate_activated); |
| 1406 | rc = -EFAULT; |
| 1407 | } |
| 1408 | |
| 1409 | if (rc) |
| 1410 | pr_err("%s: Apply failed in active substate %d\n", |
| 1411 | __func__, ctx_isp->substate_activated); |
| 1412 | return rc; |
| 1413 | } |
| 1414 | |
| 1415 | |
| 1416 | |
| 1417 | static int __cam_isp_ctx_handle_irq_in_activated(void *context, |
| 1418 | uint32_t evt_id, void *evt_data) |
| 1419 | { |
| 1420 | int rc = 0; |
| 1421 | struct cam_context *ctx = (struct cam_context *)context; |
| 1422 | struct cam_isp_context *ctx_isp = |
| 1423 | (struct cam_isp_context *)ctx->ctx_priv; |
| 1424 | |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 1425 | spin_lock_bh(&ctx->lock); |
Gregory Bergschneider | 5164f3a | 2017-07-07 10:26:17 -0600 | [diff] [blame^] | 1426 | |
| 1427 | trace_cam_isp_activated_irq(ctx, ctx_isp->substate_activated, evt_id, |
| 1428 | __cam_isp_ctx_get_event_ts(evt_id, evt_data)); |
| 1429 | |
Jing Zhou | 9eabf47 | 2017-05-16 11:59:41 -0700 | [diff] [blame] | 1430 | CDBG("%s: Enter: State %d, Substate %d, evt id %d\n", |
| 1431 | __func__, ctx->state, ctx_isp->substate_activated, evt_id); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1432 | if (ctx_isp->substate_machine_irq[ctx_isp->substate_activated]. |
| 1433 | irq_ops[evt_id]) { |
| 1434 | rc = ctx_isp->substate_machine_irq[ctx_isp->substate_activated]. |
| 1435 | irq_ops[evt_id](ctx_isp, evt_data); |
| 1436 | } else { |
| 1437 | CDBG("%s: No handle function for substate %d\n", __func__, |
| 1438 | ctx_isp->substate_activated); |
| 1439 | } |
| 1440 | CDBG("%s: Exit: State %d Substate %d\n", |
| 1441 | __func__, ctx->state, ctx_isp->substate_activated); |
Jing Zhou | 93b3ec1 | 2017-06-15 17:43:39 -0700 | [diff] [blame] | 1442 | spin_unlock_bh(&ctx->lock); |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1443 | return rc; |
| 1444 | } |
| 1445 | |
| 1446 | /* top state machine */ |
| 1447 | static struct cam_ctx_ops |
| 1448 | cam_isp_ctx_top_state_machine[CAM_CTX_STATE_MAX] = { |
| 1449 | /* Uninit */ |
| 1450 | { |
| 1451 | .ioctl_ops = {}, |
| 1452 | .crm_ops = {}, |
| 1453 | .irq_ops = NULL, |
| 1454 | }, |
| 1455 | /* Available */ |
| 1456 | { |
| 1457 | .ioctl_ops = { |
| 1458 | .acquire_dev = __cam_isp_ctx_acquire_dev_in_available, |
| 1459 | }, |
| 1460 | .crm_ops = {}, |
| 1461 | .irq_ops = NULL, |
| 1462 | }, |
| 1463 | /* Acquired */ |
| 1464 | { |
| 1465 | .ioctl_ops = { |
| 1466 | .release_dev = __cam_isp_ctx_release_dev_in_top_state, |
| 1467 | .config_dev = __cam_isp_ctx_config_dev_in_acquired, |
| 1468 | }, |
| 1469 | .crm_ops = { |
| 1470 | .link = __cam_isp_ctx_link_in_acquired, |
| 1471 | .unlink = __cam_isp_ctx_unlink_in_acquired, |
| 1472 | .get_dev_info = __cam_isp_ctx_get_dev_info_in_acquired, |
Jing Zhou | b524a85 | 2017-05-16 15:47:30 +0530 | [diff] [blame] | 1473 | .flush_req = __cam_isp_ctx_flush_req_in_top_state, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1474 | }, |
| 1475 | .irq_ops = NULL, |
| 1476 | }, |
| 1477 | /* Ready */ |
| 1478 | { |
| 1479 | .ioctl_ops = { |
| 1480 | .start_dev = __cam_isp_ctx_start_dev_in_ready, |
| 1481 | .release_dev = __cam_isp_ctx_release_dev_in_top_state, |
| 1482 | .config_dev = __cam_isp_ctx_config_dev_in_top_state, |
| 1483 | }, |
| 1484 | .crm_ops = { |
| 1485 | .unlink = __cam_isp_ctx_unlink_in_ready, |
Jing Zhou | b524a85 | 2017-05-16 15:47:30 +0530 | [diff] [blame] | 1486 | .flush_req = __cam_isp_ctx_flush_req_in_ready, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1487 | }, |
| 1488 | .irq_ops = NULL, |
| 1489 | }, |
| 1490 | /* Activated */ |
| 1491 | { |
| 1492 | .ioctl_ops = { |
| 1493 | .stop_dev = __cam_isp_ctx_stop_dev_in_activated, |
| 1494 | .release_dev = __cam_isp_ctx_release_dev_in_activated, |
| 1495 | .config_dev = __cam_isp_ctx_config_dev_in_top_state, |
| 1496 | }, |
| 1497 | .crm_ops = { |
| 1498 | .apply_req = __cam_isp_ctx_apply_req, |
Jing Zhou | b524a85 | 2017-05-16 15:47:30 +0530 | [diff] [blame] | 1499 | .flush_req = __cam_isp_ctx_flush_req_in_top_state, |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1500 | }, |
| 1501 | .irq_ops = __cam_isp_ctx_handle_irq_in_activated, |
| 1502 | }, |
| 1503 | }; |
| 1504 | |
| 1505 | |
| 1506 | int cam_isp_context_init(struct cam_isp_context *ctx, |
| 1507 | struct cam_context *ctx_base, |
| 1508 | struct cam_req_mgr_kmd_ops *crm_node_intf, |
| 1509 | struct cam_hw_mgr_intf *hw_intf) |
| 1510 | |
| 1511 | { |
| 1512 | int rc = -1; |
| 1513 | int i; |
| 1514 | |
| 1515 | if (!ctx || !ctx_base) { |
| 1516 | pr_err("%s: Invalid Context\n", __func__); |
| 1517 | goto err; |
| 1518 | } |
| 1519 | |
| 1520 | /* ISP context setup */ |
| 1521 | memset(ctx, 0, sizeof(*ctx)); |
| 1522 | |
| 1523 | ctx->base = ctx_base; |
| 1524 | ctx->frame_id = 0; |
Jing Zhou | dedc476 | 2017-06-19 17:45:36 +0530 | [diff] [blame] | 1525 | ctx->active_req_cnt = 0; |
| 1526 | ctx->reported_req_id = 0; |
Jing Zhou | d352ed1 | 2017-03-20 23:59:56 -0700 | [diff] [blame] | 1527 | ctx->hw_ctx = NULL; |
| 1528 | ctx->substate_activated = CAM_ISP_CTX_ACTIVATED_SOF; |
| 1529 | ctx->substate_machine = cam_isp_ctx_activated_state_machine; |
| 1530 | ctx->substate_machine_irq = cam_isp_ctx_activated_state_machine_irq; |
| 1531 | |
| 1532 | for (i = 0; i < CAM_CTX_REQ_MAX; i++) { |
| 1533 | ctx->req_base[i].req_priv = &ctx->req_isp[i]; |
| 1534 | ctx->req_isp[i].base = &ctx->req_base[i]; |
| 1535 | } |
| 1536 | |
| 1537 | /* camera context setup */ |
| 1538 | rc = cam_context_init(ctx_base, crm_node_intf, hw_intf, ctx->req_base, |
| 1539 | CAM_CTX_REQ_MAX); |
| 1540 | if (rc) { |
| 1541 | pr_err("%s: Camera Context Base init failed\n", __func__); |
| 1542 | goto err; |
| 1543 | } |
| 1544 | |
| 1545 | /* link camera context with isp context */ |
| 1546 | ctx_base->state_machine = cam_isp_ctx_top_state_machine; |
| 1547 | ctx_base->ctx_priv = ctx; |
| 1548 | |
| 1549 | err: |
| 1550 | return rc; |
| 1551 | } |
| 1552 | |
| 1553 | int cam_isp_context_deinit(struct cam_isp_context *ctx) |
| 1554 | { |
| 1555 | int rc = 0; |
| 1556 | |
| 1557 | if (ctx->base) |
| 1558 | cam_context_deinit(ctx->base); |
| 1559 | |
| 1560 | if (ctx->substate_activated != CAM_ISP_CTX_ACTIVATED_SOF) |
| 1561 | pr_err("%s: ISP context substate is invalid\n", __func__); |
| 1562 | |
| 1563 | memset(ctx, 0, sizeof(*ctx)); |
| 1564 | return rc; |
| 1565 | } |
| 1566 | |