Vaishnavi Kommaraju | 859c58f | 2018-01-23 18:10:21 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2014-2018, The Linux Foundation. All rights reserved. |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 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/module.h> |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/slab.h> |
| 16 | #include <linux/sched.h> |
| 17 | #include <linux/completion.h> |
| 18 | #include <linux/kthread.h> |
| 19 | #include <linux/delay.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 20 | #include <sound/soc.h> |
Laxminath Kasam | 7e057cf | 2017-08-09 23:55:15 +0530 | [diff] [blame] | 21 | #include "wcd9335_registers.h" |
Laxminath Kasam | 605b42f | 2017-08-01 22:02:15 +0530 | [diff] [blame] | 22 | #include "core.h" |
| 23 | #include "cpe_cmi.h" |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 24 | #include "wcd_cpe_services.h" |
| 25 | #include "wcd_cmi_api.h" |
| 26 | |
| 27 | #define CPE_MSG_BUFFER_SIZE 132 |
| 28 | #define CPE_NO_SERVICE 0 |
| 29 | |
| 30 | #define CMI_DRIVER_SUPPORTED_VERSION 0 |
| 31 | #define CMI_API_SUCCESS 0 |
| 32 | #define CMI_MSG_TRANSPORT (0x0002) |
| 33 | #define CPE_SVC_INACTIVE_STATE_RETRIES_MAX 10 |
| 34 | |
| 35 | #define TOMTOM_A_SVASS_SPE_DRAM_OFFSET 0x50000 |
| 36 | #define TOMTOM_A_SVASS_SPE_DRAM_SIZE 0x30000 |
| 37 | #define TOMTOM_A_SVASS_SPE_IRAM_OFFSET 0x80000 |
| 38 | #define TOMTOM_A_SVASS_SPE_IRAM_SIZE 0xC000 |
| 39 | #define TOMTOM_A_SVASS_SPE_INBOX_SIZE 12 |
| 40 | #define TOMTOM_A_SVASS_SPE_OUTBOX_SIZE 12 |
| 41 | |
| 42 | #define MEM_ACCESS_NONE_VAL 0x0 |
| 43 | #define MEM_ACCESS_IRAM_VAL 0x1 |
| 44 | #define MEM_ACCESS_DRAM_VAL 0x2 |
| 45 | #define LISTEN_CTL_SPE_VAL 0x0 |
| 46 | #define LISTEN_CTL_MSM_VAL 0x1 |
| 47 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 48 | #define WCD9335_CPE_SS_SPE_DRAM_OFFSET 0x48000 |
| 49 | #define WCD9335_CPE_SS_SPE_DRAM_SIZE 0x34000 |
| 50 | #define WCD9335_CPE_SS_SPE_IRAM_OFFSET 0x80000 |
| 51 | #define WCD9335_CPE_SS_SPE_IRAM_SIZE 0x20000 |
| 52 | |
| 53 | #define WCD9335_CPE_SS_SPE_INBOX_SIZE 16 |
| 54 | #define WCD9335_CPE_SS_SPE_OUTBOX_SIZE 16 |
| 55 | #define WCD9335_CPE_SS_SPE_MEM_BANK_SIZ 16 |
| 56 | |
| 57 | #define WCD9335_CPE_SS_SPE_INBOX1(N) (WCD9335_CPE_SS_INBOX1_0 + (N)) |
| 58 | #define WCD9335_CPE_SS_SPE_OUTBOX1(N) (WCD9335_CPE_SS_OUTBOX1_0 + (N)) |
| 59 | #define WCD9335_CPE_SS_MEM_BANK(N) (WCD9335_CPE_SS_MEM_BANK_0 + (N)) |
| 60 | |
| 61 | #define CHUNK_SIZE 16 |
| 62 | |
| 63 | #define CPE_SVC_GRAB_LOCK(lock, name) \ |
| 64 | { \ |
| 65 | pr_debug("%s: %s lock acquire\n", \ |
| 66 | __func__, name); \ |
| 67 | mutex_lock(lock); \ |
| 68 | } |
| 69 | |
| 70 | #define CPE_SVC_REL_LOCK(lock, name) \ |
| 71 | { \ |
| 72 | pr_debug("%s: %s lock release\n", \ |
| 73 | __func__, name); \ |
| 74 | mutex_unlock(lock); \ |
| 75 | } |
| 76 | |
| 77 | static const struct cpe_svc_hw_cfg cpe_svc_tomtom_info = { |
| 78 | TOMTOM_A_SVASS_SPE_DRAM_SIZE, |
| 79 | TOMTOM_A_SVASS_SPE_DRAM_OFFSET, |
| 80 | TOMTOM_A_SVASS_SPE_IRAM_SIZE, |
| 81 | TOMTOM_A_SVASS_SPE_IRAM_OFFSET, |
| 82 | TOMTOM_A_SVASS_SPE_INBOX_SIZE, |
| 83 | TOMTOM_A_SVASS_SPE_OUTBOX_SIZE |
| 84 | }; |
| 85 | |
| 86 | static const struct cpe_svc_hw_cfg cpe_svc_wcd9335_info = { |
| 87 | WCD9335_CPE_SS_SPE_DRAM_SIZE, |
| 88 | WCD9335_CPE_SS_SPE_DRAM_OFFSET, |
| 89 | WCD9335_CPE_SS_SPE_IRAM_SIZE, |
| 90 | WCD9335_CPE_SS_SPE_IRAM_OFFSET, |
| 91 | WCD9335_CPE_SS_SPE_INBOX_SIZE, |
| 92 | WCD9335_CPE_SS_SPE_OUTBOX_SIZE |
| 93 | }; |
| 94 | |
| 95 | enum cpe_state { |
| 96 | CPE_STATE_UNINITIALIZED = 0, |
| 97 | CPE_STATE_INITIALIZED, |
| 98 | CPE_STATE_IDLE, |
| 99 | CPE_STATE_DOWNLOADING, |
| 100 | CPE_STATE_BOOTING, |
| 101 | CPE_STATE_SENDING_MSG, |
| 102 | CPE_STATE_OFFLINE, |
| 103 | CPE_STATE_BUFFERING, |
| 104 | CPE_STATE_BUFFERING_CANCELLED |
| 105 | }; |
| 106 | |
| 107 | enum cpe_substate { |
| 108 | CPE_SS_IDLE = 0, |
| 109 | CPE_SS_MSG_REQUEST_ACCESS, |
| 110 | CPE_SS_MSG_SEND_INBOX, |
| 111 | CPE_SS_MSG_SENT, |
| 112 | CPE_SS_DL_DOWNLOADING, |
| 113 | CPE_SS_DL_COMPLETED, |
| 114 | CPE_SS_BOOT, |
| 115 | CPE_SS_BOOT_INIT, |
| 116 | CPE_SS_ONLINE |
| 117 | }; |
| 118 | |
| 119 | enum cpe_command { |
| 120 | CPE_CMD_KILL_THREAD = 0, |
| 121 | CPE_CMD_BOOT, |
| 122 | CPE_CMD_BOOT_INITIALIZE, |
| 123 | CPE_CMD_BOOT_COMPLETE, |
| 124 | CPE_CMD_SEND_MSG, |
| 125 | CPE_CMD_SEND_TRANS_MSG, |
| 126 | CPE_CMD_SEND_MSG_COMPLETE, |
| 127 | CPE_CMD_PROCESS_IRQ, |
| 128 | CPE_CMD_RAMDUMP, |
| 129 | CPE_CMD_DL_SEGMENT, |
| 130 | CPE_CMD_SHUTDOWN, |
| 131 | CPE_CMD_RESET, |
| 132 | CPE_CMD_DEINITIALIZE, |
| 133 | CPE_CMD_READ, |
| 134 | CPE_CMD_ENABLE_LAB, |
| 135 | CPE_CMD_DISABLE_LAB, |
| 136 | CPE_CMD_SWAP_BUFFER, |
| 137 | CPE_LAB_CFG_SB, |
| 138 | CPE_CMD_CANCEL_MEMACCESS, |
| 139 | CPE_CMD_PROC_INCOMING_MSG, |
| 140 | CPE_CMD_FTM_TEST, |
| 141 | }; |
| 142 | |
| 143 | enum cpe_process_result { |
| 144 | CPE_PROC_SUCCESS = 0, |
| 145 | CPE_PROC_FAILED, |
| 146 | CPE_PROC_KILLED, |
| 147 | CPE_PROC_QUEUED, |
| 148 | }; |
| 149 | |
| 150 | struct cpe_command_node { |
| 151 | enum cpe_command command; |
| 152 | enum cpe_svc_result result; |
| 153 | void *data; |
| 154 | struct list_head list; |
| 155 | }; |
| 156 | |
| 157 | struct cpe_info { |
| 158 | struct list_head main_queue; |
| 159 | struct completion cmd_complete; |
| 160 | struct completion thread_comp; |
| 161 | void *thread_handler; |
| 162 | bool stop_thread; |
| 163 | struct mutex msg_lock; |
| 164 | enum cpe_state state; |
| 165 | enum cpe_substate substate; |
| 166 | struct list_head client_list; |
| 167 | enum cpe_process_result (*cpe_process_command) |
| 168 | (struct cpe_command_node *command_node); |
| 169 | enum cpe_svc_result (*cpe_cmd_validate) |
| 170 | (const struct cpe_info *i, |
| 171 | enum cpe_command command); |
| 172 | enum cpe_svc_result (*cpe_start_notification) |
| 173 | (struct cpe_info *i); |
| 174 | u32 initialized; |
| 175 | struct cpe_svc_tgt_abstraction *tgt; |
| 176 | void *pending; |
| 177 | void *data; |
| 178 | void *client_context; |
| 179 | u32 codec_id; |
| 180 | struct work_struct clk_plan_work; |
| 181 | struct completion core_svc_cmd_compl; |
| 182 | }; |
| 183 | |
| 184 | struct cpe_tgt_waiti_info { |
| 185 | u8 tgt_waiti_size; |
| 186 | u8 *tgt_waiti_data; |
| 187 | }; |
| 188 | |
| 189 | struct cpe_svc_tgt_abstraction { |
| 190 | enum cpe_svc_result (*tgt_boot)(int debug_mode); |
| 191 | |
| 192 | u32 (*tgt_cpar_init_done)(void); |
| 193 | |
| 194 | u32 (*tgt_is_active)(void); |
| 195 | |
| 196 | enum cpe_svc_result (*tgt_reset)(void); |
| 197 | |
| 198 | enum cpe_svc_result (*tgt_stop)(void); |
| 199 | |
| 200 | enum cpe_svc_result (*tgt_read_mailbox) |
| 201 | (u8 *buffer, size_t size); |
| 202 | |
| 203 | enum cpe_svc_result (*tgt_write_mailbox) |
| 204 | (u8 *buffer, size_t size); |
| 205 | |
| 206 | enum cpe_svc_result (*tgt_read_ram) |
| 207 | (struct cpe_info *c, |
| 208 | struct cpe_svc_mem_segment *data); |
| 209 | |
| 210 | enum cpe_svc_result (*tgt_write_ram) |
| 211 | (struct cpe_info *c, |
| 212 | const struct cpe_svc_mem_segment *data); |
| 213 | |
| 214 | enum cpe_svc_result (*tgt_route_notification) |
| 215 | (enum cpe_svc_module module, |
| 216 | enum cpe_svc_route_dest dest); |
| 217 | |
| 218 | enum cpe_svc_result (*tgt_set_debug_mode)(u32 enable); |
| 219 | const struct cpe_svc_hw_cfg *(*tgt_get_cpe_info)(void); |
| 220 | enum cpe_svc_result (*tgt_deinit) |
| 221 | (struct cpe_svc_tgt_abstraction *param); |
| 222 | enum cpe_svc_result (*tgt_voice_tx_lab) |
| 223 | (bool); |
| 224 | u8 *inbox; |
| 225 | u8 *outbox; |
| 226 | struct cpe_tgt_waiti_info *tgt_waiti_info; |
| 227 | }; |
| 228 | |
| 229 | static enum cpe_svc_result cpe_tgt_tomtom_init( |
| 230 | struct cpe_svc_codec_info_v1 *codec_info, |
| 231 | struct cpe_svc_tgt_abstraction *param); |
| 232 | |
| 233 | static enum cpe_svc_result cpe_tgt_wcd9335_init( |
| 234 | struct cpe_svc_codec_info_v1 *codec_info, |
| 235 | struct cpe_svc_tgt_abstraction *param); |
| 236 | |
| 237 | struct cpe_send_msg { |
| 238 | u8 *payload; |
| 239 | u32 isobm; |
| 240 | u32 address; |
| 241 | size_t size; |
| 242 | }; |
| 243 | |
| 244 | struct cpe_read_handle { |
| 245 | void *registration; |
| 246 | struct cpe_info t_info; |
| 247 | struct list_head buffers; |
| 248 | void *config; |
| 249 | }; |
| 250 | |
| 251 | struct generic_notification { |
| 252 | void (*notification) |
| 253 | (const struct cpe_svc_notification *parameter); |
| 254 | void (*cmi_notification) |
| 255 | (const struct cmi_api_notification *parameter); |
| 256 | }; |
| 257 | |
| 258 | struct cpe_notif_node { |
| 259 | struct generic_notification notif; |
| 260 | u32 mask; |
| 261 | u32 service; |
| 262 | const struct cpe_info *context; |
| 263 | const char *name; |
| 264 | u32 disabled; |
| 265 | struct list_head list; |
| 266 | }; |
| 267 | |
| 268 | struct cpe_priv { |
| 269 | struct cpe_info *cpe_default_handle; |
| 270 | void (*cpe_irq_control_callback)(u32 enable); |
| 271 | void (*cpe_query_freq_plans_cb) |
| 272 | (void *cdc_priv, |
| 273 | struct cpe_svc_cfg_clk_plan *clk_freq); |
| 274 | void (*cpe_change_freq_plan_cb)(void *cdc_priv, |
| 275 | u32 clk_freq); |
| 276 | u32 cpe_msg_buffer; |
| 277 | void *cpe_cmi_handle; |
| 278 | struct mutex cpe_api_mutex; |
| 279 | struct mutex cpe_svc_lock; |
| 280 | struct cpe_svc_boot_event cpe_debug_vector; |
| 281 | void *cdc_priv; |
| 282 | }; |
| 283 | |
| 284 | static struct cpe_priv cpe_d; |
| 285 | |
| 286 | static enum cpe_svc_result __cpe_svc_shutdown(void *cpe_handle); |
| 287 | |
| 288 | static enum cpe_svc_result cpe_is_command_valid( |
| 289 | const struct cpe_info *t_info, |
| 290 | enum cpe_command command); |
| 291 | |
| 292 | static int cpe_register_read(u32 reg, u8 *val) |
| 293 | { |
| 294 | *(val) = snd_soc_read(cpe_d.cdc_priv, reg); |
| 295 | return 0; |
| 296 | } |
| 297 | |
| 298 | static enum cpe_svc_result cpe_update_bits(u32 reg, |
| 299 | u32 mask, u32 value) |
| 300 | { |
| 301 | int ret = 0; |
| 302 | |
| 303 | ret = snd_soc_update_bits(cpe_d.cdc_priv, reg, |
| 304 | mask, value); |
| 305 | if (ret < 0) |
| 306 | return CPE_SVC_FAILED; |
| 307 | |
| 308 | return CPE_SVC_SUCCESS; |
| 309 | } |
| 310 | |
| 311 | static int cpe_register_write(u32 reg, u32 val) |
| 312 | { |
| 313 | int ret = 0; |
| 314 | |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 315 | if (reg != WCD9335_CPE_SS_MEM_BANK_0) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 316 | pr_debug("%s: reg = 0x%x, value = 0x%x\n", |
| 317 | __func__, reg, val); |
| 318 | |
| 319 | ret = snd_soc_write(cpe_d.cdc_priv, reg, val); |
| 320 | if (ret < 0) |
| 321 | return CPE_SVC_FAILED; |
| 322 | |
| 323 | return CPE_SVC_SUCCESS; |
| 324 | } |
| 325 | |
| 326 | static int cpe_register_write_repeat(u32 reg, u8 *ptr, u32 to_write) |
| 327 | { |
| 328 | struct snd_soc_codec *codec = cpe_d.cdc_priv; |
| 329 | struct wcd9xxx *wcd9xxx = dev_get_drvdata(codec->dev->parent); |
| 330 | int ret = 0; |
| 331 | |
| 332 | ret = wcd9xxx_slim_write_repeat(wcd9xxx, reg, to_write, ptr); |
| 333 | if (ret != 0) |
| 334 | pr_err("%s: slim_write_repeat failed\n", __func__); |
| 335 | |
| 336 | if (ret < 0) |
| 337 | return CPE_SVC_FAILED; |
| 338 | |
| 339 | return CPE_SVC_SUCCESS; |
| 340 | } |
| 341 | |
| 342 | static bool cpe_register_read_autoinc_supported(void) |
| 343 | { |
| 344 | return true; |
| 345 | } |
| 346 | |
| 347 | |
| 348 | /* Called under msgq locked context */ |
| 349 | static void cpe_cmd_received(struct cpe_info *t_info) |
| 350 | { |
| 351 | struct cpe_command_node *node = NULL; |
| 352 | enum cpe_process_result proc_rc = CPE_PROC_SUCCESS; |
| 353 | |
| 354 | if (!t_info) { |
| 355 | pr_err("%s: Invalid thread info\n", |
| 356 | __func__); |
| 357 | return; |
| 358 | } |
| 359 | |
| 360 | while (!list_empty(&t_info->main_queue)) { |
| 361 | if (proc_rc != CPE_PROC_SUCCESS) |
| 362 | break; |
| 363 | node = list_first_entry(&t_info->main_queue, |
| 364 | struct cpe_command_node, list); |
| 365 | if (!node) |
| 366 | break; |
| 367 | list_del(&node->list); |
| 368 | proc_rc = t_info->cpe_process_command(node); |
| 369 | pr_debug("%s: process command return %d\n", |
| 370 | __func__, proc_rc); |
| 371 | |
| 372 | switch (proc_rc) { |
| 373 | case CPE_PROC_SUCCESS: |
| 374 | kfree(node); |
| 375 | break; |
| 376 | case CPE_PROC_FAILED: |
| 377 | kfree(node); |
| 378 | pr_err("%s: cmd failed\n", __func__); |
| 379 | break; |
| 380 | case CPE_PROC_KILLED: |
| 381 | break; |
| 382 | default: |
| 383 | list_add(&node->list, &(t_info->main_queue)); |
| 384 | |
| 385 | } |
| 386 | } |
| 387 | } |
| 388 | |
| 389 | static int cpe_worker_thread(void *context) |
| 390 | { |
| 391 | struct cpe_info *t_info = (struct cpe_info *)context; |
| 392 | |
| 393 | /* |
| 394 | * Thread will run until requested to stop explicitly |
| 395 | * by setting the t_info->stop_thread flag |
| 396 | */ |
| 397 | while (1) { |
| 398 | /* Wait for command to be processed */ |
| 399 | wait_for_completion(&t_info->cmd_complete); |
| 400 | |
| 401 | CPE_SVC_GRAB_LOCK(&t_info->msg_lock, "msg_lock"); |
| 402 | cpe_cmd_received(t_info); |
| 403 | reinit_completion(&t_info->cmd_complete); |
| 404 | /* Check if thread needs to be stopped */ |
| 405 | if (t_info->stop_thread) |
| 406 | goto unlock_and_exit; |
| 407 | CPE_SVC_REL_LOCK(&t_info->msg_lock, "msg_lock"); |
| 408 | }; |
| 409 | |
| 410 | unlock_and_exit: |
| 411 | pr_debug("%s: thread stopped\n", __func__); |
| 412 | CPE_SVC_REL_LOCK(&t_info->msg_lock, "msg_lock"); |
| 413 | complete_and_exit(&t_info->thread_comp, 0); |
| 414 | } |
| 415 | |
| 416 | static void cpe_create_worker_thread(struct cpe_info *t_info) |
| 417 | { |
| 418 | INIT_LIST_HEAD(&t_info->main_queue); |
| 419 | init_completion(&t_info->cmd_complete); |
| 420 | init_completion(&t_info->thread_comp); |
| 421 | t_info->stop_thread = false; |
| 422 | t_info->thread_handler = kthread_run(cpe_worker_thread, |
| 423 | (void *)t_info, "cpe-worker-thread"); |
| 424 | pr_debug("%s: Created new worker thread\n", |
| 425 | __func__); |
| 426 | } |
| 427 | |
| 428 | static void cpe_cleanup_worker_thread(struct cpe_info *t_info) |
| 429 | { |
| 430 | if (!t_info->thread_handler) { |
| 431 | pr_err("%s: thread not created\n", __func__); |
| 432 | return; |
| 433 | } |
| 434 | |
| 435 | /* |
| 436 | * Wake up the command handler in case |
| 437 | * it is waiting for an command to be processed. |
| 438 | */ |
| 439 | CPE_SVC_GRAB_LOCK(&t_info->msg_lock, "msg_lock"); |
| 440 | t_info->stop_thread = true; |
| 441 | complete(&t_info->cmd_complete); |
| 442 | CPE_SVC_REL_LOCK(&t_info->msg_lock, "msg_lock"); |
| 443 | |
| 444 | /* Wait for the thread to exit */ |
| 445 | wait_for_completion(&t_info->thread_comp); |
| 446 | t_info->thread_handler = NULL; |
| 447 | |
| 448 | pr_debug("%s: Thread cleaned up successfully\n", |
| 449 | __func__); |
| 450 | } |
| 451 | |
| 452 | static enum cpe_svc_result |
| 453 | cpe_send_cmd_to_thread(struct cpe_info *t_info, |
| 454 | enum cpe_command command, void *data, |
| 455 | bool high_prio) |
| 456 | { |
| 457 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 458 | struct cpe_command_node *cmd = NULL; |
| 459 | |
| 460 | rc = cpe_is_command_valid(t_info, command); |
| 461 | if (rc != CPE_SVC_SUCCESS) { |
| 462 | pr_err("%s: Invalid command %d\n", |
| 463 | __func__, command); |
| 464 | return rc; |
| 465 | } |
| 466 | |
| 467 | cmd = kzalloc(sizeof(struct cpe_command_node), |
| 468 | GFP_ATOMIC); |
| 469 | if (!cmd) |
| 470 | return CPE_SVC_NO_MEMORY; |
| 471 | |
| 472 | cmd->command = command; |
| 473 | cmd->data = data; |
| 474 | |
| 475 | CPE_SVC_GRAB_LOCK(&t_info->msg_lock, "msg_lock"); |
| 476 | if (high_prio) |
| 477 | list_add(&(cmd->list), |
| 478 | &(t_info->main_queue)); |
| 479 | else |
| 480 | list_add_tail(&(cmd->list), |
| 481 | &(t_info->main_queue)); |
| 482 | complete(&t_info->cmd_complete); |
| 483 | CPE_SVC_REL_LOCK(&t_info->msg_lock, "msg_lock"); |
| 484 | |
| 485 | return rc; |
| 486 | } |
| 487 | |
| 488 | static enum cpe_svc_result cpe_change_state( |
| 489 | struct cpe_info *t_info, |
| 490 | enum cpe_state state, enum cpe_substate ss) |
| 491 | { |
| 492 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 493 | |
| 494 | if (!t_info) |
| 495 | t_info = cpe_d.cpe_default_handle; |
| 496 | |
| 497 | t_info->state = state; |
| 498 | t_info->substate = ss; |
| 499 | |
| 500 | pr_debug("%s: current state: %d,%d, new_state: %d,%d\n", |
| 501 | __func__, t_info->state, t_info->substate, |
| 502 | state, ss); |
| 503 | |
| 504 | return rc; |
| 505 | } |
| 506 | |
| 507 | static enum cpe_svc_result |
| 508 | cpe_is_command_valid(const struct cpe_info *t_info, |
| 509 | enum cpe_command command) |
| 510 | { |
| 511 | enum cpe_svc_result rc = CPE_SVC_INVALID_HANDLE; |
| 512 | |
| 513 | if (t_info && t_info->cpe_cmd_validate) |
| 514 | rc = t_info->cpe_cmd_validate(t_info, command); |
| 515 | else |
| 516 | pr_err("%s: invalid handle or callback\n", |
| 517 | __func__); |
| 518 | return rc; |
| 519 | } |
| 520 | |
| 521 | static void cpe_notify_client(struct cpe_notif_node *client, |
| 522 | struct cpe_svc_notification *payload) |
| 523 | { |
| 524 | if (!client || !payload) { |
| 525 | pr_err("%s: invalid client or payload\n", |
| 526 | __func__); |
| 527 | return; |
| 528 | } |
| 529 | |
| 530 | if (!(client->mask & payload->event)) { |
| 531 | pr_debug("%s: client mask 0x%x not registered for event 0x%x\n", |
| 532 | __func__, client->mask, payload->event); |
| 533 | return; |
| 534 | } |
| 535 | |
| 536 | if (client->notif.notification && !client->disabled) |
| 537 | client->notif.notification(payload); |
| 538 | |
| 539 | if ((client->mask & CPE_SVC_CMI_MSG) && |
| 540 | client->notif.cmi_notification) |
| 541 | client->notif.cmi_notification( |
| 542 | (const struct cmi_api_notification *)payload); |
| 543 | } |
| 544 | |
| 545 | static void cpe_broadcast_notification(const struct cpe_info *t_info, |
| 546 | struct cpe_svc_notification *payload) |
| 547 | { |
| 548 | struct cpe_notif_node *n = NULL; |
| 549 | |
| 550 | if (!t_info || !payload) { |
| 551 | pr_err("%s: invalid handle\n", __func__); |
| 552 | return; |
| 553 | } |
| 554 | |
| 555 | pr_debug("%s: notify clients, event = %d\n", |
| 556 | __func__, payload->event); |
| 557 | payload->private_data = cpe_d.cdc_priv; |
| 558 | |
| 559 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc"); |
| 560 | list_for_each_entry(n, &t_info->client_list, list) { |
| 561 | if (!(n->mask & CPE_SVC_CMI_MSG)) |
| 562 | cpe_notify_client(n, payload); |
| 563 | } |
| 564 | CPE_SVC_REL_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc"); |
| 565 | } |
| 566 | |
| 567 | static void *cpe_register_generic(struct cpe_info *t_info, |
| 568 | void notification_callback( |
| 569 | const struct cpe_svc_notification *parameter), |
| 570 | void cmi_callback( |
| 571 | const struct cmi_api_notification *parameter), |
| 572 | u32 mask, u32 service, const char *name) |
| 573 | { |
| 574 | struct cpe_notif_node *n = NULL; |
| 575 | |
| 576 | n = kzalloc(sizeof(struct cpe_notif_node), |
| 577 | GFP_KERNEL); |
| 578 | if (!n) |
| 579 | return NULL; |
| 580 | n->mask = mask; |
| 581 | n->service = service; |
| 582 | n->notif.notification = notification_callback; |
| 583 | n->notif.cmi_notification = cmi_callback; |
| 584 | n->context = t_info; |
| 585 | n->disabled = false; |
| 586 | n->name = name; |
| 587 | |
| 588 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc"); |
| 589 | /* Make sure CPE core service is first */ |
| 590 | if (service == CMI_CPE_CORE_SERVICE_ID) |
| 591 | list_add(&n->list, &t_info->client_list); |
| 592 | else |
| 593 | list_add_tail(&n->list, &t_info->client_list); |
| 594 | CPE_SVC_REL_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc"); |
| 595 | |
| 596 | return n; |
| 597 | } |
| 598 | |
| 599 | static enum cpe_svc_result cpe_deregister_generic(struct cpe_info *t_info, |
| 600 | void *reg_handle) |
| 601 | { |
| 602 | struct cpe_notif_node *n = (struct cpe_notif_node *)reg_handle; |
| 603 | |
| 604 | if (!t_info || !reg_handle) { |
| 605 | pr_err("%s: invalid handle\n", __func__); |
| 606 | return CPE_SVC_INVALID_HANDLE; |
| 607 | } |
| 608 | |
Vaishnavi Kommaraju | 859c58f | 2018-01-23 18:10:21 +0530 | [diff] [blame] | 609 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc"); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 610 | list_del(&(n->list)); |
| 611 | kfree(reg_handle); |
Vaishnavi Kommaraju | 859c58f | 2018-01-23 18:10:21 +0530 | [diff] [blame] | 612 | CPE_SVC_REL_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc"); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 613 | |
| 614 | return CPE_SVC_SUCCESS; |
| 615 | } |
| 616 | |
| 617 | static enum cpe_svc_result cpe_svc_tgt_init(struct cpe_svc_codec_info_v1 *i, |
| 618 | struct cpe_svc_tgt_abstraction *abs) |
| 619 | { |
| 620 | if (!i || !abs) { |
| 621 | pr_err("%s: Incorrect information provided\n", |
| 622 | __func__); |
| 623 | return CPE_SVC_FAILED; |
| 624 | } |
| 625 | |
| 626 | switch (i->id) { |
| 627 | case CPE_SVC_CODEC_TOMTOM: |
| 628 | return cpe_tgt_tomtom_init(i, abs); |
| 629 | case CPE_SVC_CODEC_WCD9335: |
| 630 | return cpe_tgt_wcd9335_init(i, abs); |
| 631 | default: |
| 632 | pr_err("%s: Codec type %d not supported\n", |
| 633 | __func__, i->id); |
| 634 | return CPE_SVC_FAILED; |
| 635 | } |
| 636 | |
| 637 | return CPE_SVC_SUCCESS; |
| 638 | } |
| 639 | |
| 640 | static void cpe_notify_cmi_client(struct cpe_info *t_info, u8 *payload, |
| 641 | enum cpe_svc_result result) |
| 642 | { |
| 643 | struct cpe_notif_node *n = NULL; |
| 644 | struct cmi_api_notification notif; |
| 645 | struct cmi_hdr *hdr; |
| 646 | u8 service = 0; |
| 647 | |
| 648 | if (!t_info || !payload) { |
| 649 | pr_err("%s: invalid payload/handle\n", |
| 650 | __func__); |
| 651 | return; |
| 652 | } |
| 653 | |
| 654 | hdr = CMI_GET_HEADER(payload); |
| 655 | service = CMI_HDR_GET_SERVICE(hdr); |
| 656 | |
| 657 | notif.event = CPE_SVC_CMI_MSG; |
| 658 | notif.result = result; |
| 659 | notif.message = payload; |
| 660 | |
| 661 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc"); |
| 662 | list_for_each_entry(n, &t_info->client_list, list) { |
| 663 | |
| 664 | if ((n->mask & CPE_SVC_CMI_MSG) && |
| 665 | n->service == service && |
| 666 | n->notif.cmi_notification) { |
| 667 | n->notif.cmi_notification(¬if); |
| 668 | break; |
| 669 | } |
| 670 | } |
| 671 | CPE_SVC_REL_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc"); |
| 672 | } |
| 673 | |
| 674 | static void cpe_toggle_irq_notification(struct cpe_info *t_info, u32 value) |
| 675 | { |
| 676 | if (cpe_d.cpe_irq_control_callback) |
| 677 | cpe_d.cpe_irq_control_callback(value); |
| 678 | } |
| 679 | |
| 680 | static void cpe_command_cleanup(struct cpe_command_node *command_node) |
| 681 | { |
| 682 | switch (command_node->command) { |
| 683 | case CPE_CMD_SEND_MSG: |
| 684 | case CPE_CMD_SEND_TRANS_MSG: |
| 685 | case CPE_CMD_SEND_MSG_COMPLETE: |
| 686 | case CPE_CMD_SHUTDOWN: |
| 687 | case CPE_CMD_READ: |
| 688 | kfree(command_node->data); |
| 689 | command_node->data = NULL; |
| 690 | break; |
| 691 | default: |
| 692 | pr_err("%s: unhandled command\n", |
| 693 | __func__); |
| 694 | break; |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | static enum cpe_svc_result cpe_send_msg_to_inbox( |
| 699 | struct cpe_info *t_info, u32 opcode, |
| 700 | struct cpe_send_msg *msg) |
| 701 | { |
| 702 | size_t bytes = 0; |
| 703 | size_t inbox_size = |
| 704 | t_info->tgt->tgt_get_cpe_info()->inbox_size; |
| 705 | struct cmi_hdr *hdr; |
| 706 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 707 | |
| 708 | memset(t_info->tgt->inbox, 0, inbox_size); |
| 709 | hdr = CMI_GET_HEADER(t_info->tgt->inbox); |
| 710 | CMI_HDR_SET_SESSION(hdr, 1); |
| 711 | CMI_HDR_SET_SERVICE(hdr, CMI_CPE_CORE_SERVICE_ID); |
| 712 | CMI_HDR_SET_VERSION(hdr, CMI_DRIVER_SUPPORTED_VERSION); |
| 713 | CMI_HDR_SET_OBM(hdr, CMI_OBM_FLAG_IN_BAND); |
| 714 | |
| 715 | switch (opcode) { |
| 716 | case CPE_CORE_SVC_CMD_SHARED_MEM_ALLOC: { |
| 717 | struct cmi_core_svc_cmd_shared_mem_alloc *m; |
| 718 | |
| 719 | CMI_HDR_SET_OPCODE(hdr, |
| 720 | CPE_CORE_SVC_CMD_SHARED_MEM_ALLOC); |
| 721 | CMI_HDR_SET_PAYLOAD_SIZE(hdr, |
| 722 | sizeof(struct cmi_core_svc_cmd_shared_mem_alloc)); |
| 723 | m = (struct cmi_core_svc_cmd_shared_mem_alloc *) |
| 724 | CMI_GET_PAYLOAD(t_info->tgt->inbox); |
| 725 | m->size = CPE_MSG_BUFFER_SIZE; |
| 726 | pr_debug("send shared mem alloc msg to cpe inbox\n"); |
| 727 | } |
| 728 | break; |
| 729 | case CPE_CORE_SVC_CMD_DRAM_ACCESS_REQ: |
| 730 | CMI_HDR_SET_OPCODE(hdr, |
| 731 | CPE_CORE_SVC_CMD_DRAM_ACCESS_REQ); |
| 732 | CMI_HDR_SET_PAYLOAD_SIZE(hdr, 0); |
| 733 | pr_debug("%s: Creating DRAM acces request msg\n", |
| 734 | __func__); |
| 735 | break; |
| 736 | |
| 737 | case CPE_CMI_BASIC_RSP_OPCODE: { |
| 738 | struct cmi_basic_rsp_result *rsp; |
| 739 | |
| 740 | CMI_HDR_SET_OPCODE(hdr, |
| 741 | CPE_CMI_BASIC_RSP_OPCODE); |
| 742 | CMI_HDR_SET_PAYLOAD_SIZE(hdr, |
| 743 | sizeof(struct cmi_basic_rsp_result)); |
| 744 | rsp = (struct cmi_basic_rsp_result *) |
| 745 | CMI_GET_PAYLOAD(t_info->tgt->inbox); |
| 746 | rsp->status = 0; |
| 747 | pr_debug("%s: send basic response\n", __func__); |
| 748 | } |
| 749 | break; |
| 750 | |
| 751 | default: |
| 752 | if (msg->address != 0) { |
| 753 | struct cmi_msg_transport *m = NULL; |
| 754 | struct cpe_svc_mem_segment mem_seg; |
| 755 | |
| 756 | mem_seg.type = CPE_SVC_DATA_MEM; |
| 757 | if (msg->isobm) { |
| 758 | struct cmi_obm *obm = (struct cmi_obm *) |
| 759 | |
| 760 | CMI_GET_PAYLOAD(msg->payload); |
| 761 | mem_seg.cpe_addr = obm->mem_handle; |
| 762 | mem_seg.data = (u8 *)obm->data_ptr.kvaddr; |
| 763 | mem_seg.size = obm->size; |
| 764 | t_info->tgt->tgt_write_ram(t_info, &mem_seg); |
| 765 | } |
| 766 | |
| 767 | mem_seg.cpe_addr = msg->address; |
| 768 | mem_seg.data = msg->payload; |
| 769 | mem_seg.size = msg->size; |
| 770 | t_info->tgt->tgt_write_ram(t_info, &mem_seg); |
| 771 | |
| 772 | hdr = CMI_GET_HEADER(t_info->tgt->inbox); |
| 773 | CMI_HDR_SET_OPCODE(hdr, CMI_MSG_TRANSPORT); |
| 774 | m = (struct cmi_msg_transport *) |
| 775 | CMI_GET_PAYLOAD(t_info->tgt->inbox); |
| 776 | m->addr = msg->address; |
| 777 | m->size = msg->size; |
| 778 | CMI_HDR_SET_PAYLOAD_SIZE(hdr, |
| 779 | sizeof(struct cmi_msg_transport)); |
| 780 | } else { |
| 781 | memcpy(t_info->tgt->inbox, msg->payload, |
| 782 | msg->size); |
| 783 | } |
| 784 | |
| 785 | break; |
| 786 | } |
| 787 | |
| 788 | pr_debug("%s: sending message to cpe inbox\n", |
| 789 | __func__); |
| 790 | bytes = sizeof(struct cmi_hdr); |
| 791 | hdr = CMI_GET_HEADER(t_info->tgt->inbox); |
| 792 | bytes += CMI_HDR_GET_PAYLOAD_SIZE(hdr); |
| 793 | rc = t_info->tgt->tgt_write_mailbox(t_info->tgt->inbox, bytes); |
| 794 | |
| 795 | return rc; |
| 796 | } |
| 797 | |
| 798 | static bool cpe_is_cmd_clk_req(void *cmd) |
| 799 | { |
| 800 | struct cmi_hdr *hdr; |
| 801 | |
| 802 | hdr = CMI_GET_HEADER(cmd); |
| 803 | |
| 804 | if ((CMI_HDR_GET_SERVICE(hdr) == |
| 805 | CMI_CPE_CORE_SERVICE_ID)) { |
| 806 | if (CMI_GET_OPCODE(cmd) == |
| 807 | CPE_CORE_SVC_CMD_CLK_FREQ_REQUEST) |
| 808 | return true; |
| 809 | } |
| 810 | |
| 811 | return false; |
| 812 | } |
| 813 | |
| 814 | static enum cpe_svc_result cpe_process_clk_change_req( |
| 815 | struct cpe_info *t_info) |
| 816 | { |
| 817 | struct cmi_core_svc_cmd_clk_freq_request *req; |
| 818 | |
| 819 | req = (struct cmi_core_svc_cmd_clk_freq_request *) |
| 820 | CMI_GET_PAYLOAD(t_info->tgt->outbox); |
| 821 | |
| 822 | if (!cpe_d.cpe_change_freq_plan_cb) { |
| 823 | pr_err("%s: No support for clk freq change\n", |
| 824 | __func__); |
| 825 | return CPE_SVC_FAILED; |
| 826 | } |
| 827 | |
| 828 | cpe_d.cpe_change_freq_plan_cb(cpe_d.cdc_priv, |
| 829 | req->clk_freq); |
| 830 | |
| 831 | /*send a basic response*/ |
| 832 | cpe_send_msg_to_inbox(t_info, |
| 833 | CPE_CMI_BASIC_RSP_OPCODE, NULL); |
| 834 | |
| 835 | return CPE_SVC_SUCCESS; |
| 836 | } |
| 837 | |
| 838 | static void cpe_process_irq_int(u32 irq, |
| 839 | struct cpe_info *t_info) |
| 840 | { |
| 841 | struct cpe_command_node temp_node; |
| 842 | struct cpe_send_msg *m; |
| 843 | u8 size = 0; |
| 844 | bool err_irq = false; |
| 845 | struct cmi_hdr *hdr; |
| 846 | |
| 847 | pr_debug("%s: irq = %u\n", __func__, irq); |
| 848 | |
| 849 | if (!t_info) { |
| 850 | pr_err("%s: Invalid handle\n", |
| 851 | __func__); |
| 852 | return; |
| 853 | } |
| 854 | |
| 855 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 856 | switch (irq) { |
| 857 | case CPE_IRQ_OUTBOX_IRQ: |
| 858 | size = t_info->tgt->tgt_get_cpe_info()->outbox_size; |
| 859 | t_info->tgt->tgt_read_mailbox(t_info->tgt->outbox, size); |
| 860 | break; |
| 861 | |
| 862 | case CPE_IRQ_MEM_ACCESS_ERROR: |
| 863 | err_irq = true; |
| 864 | cpe_change_state(t_info, CPE_STATE_OFFLINE, CPE_SS_IDLE); |
| 865 | break; |
| 866 | |
| 867 | case CPE_IRQ_WDOG_BITE: |
| 868 | case CPE_IRQ_RCO_WDOG_INT: |
| 869 | err_irq = true; |
| 870 | __cpe_svc_shutdown(t_info); |
| 871 | break; |
| 872 | |
| 873 | case CPE_IRQ_FLL_LOCK_LOST: |
| 874 | default: |
| 875 | err_irq = true; |
| 876 | break; |
| 877 | } |
| 878 | |
| 879 | if (err_irq) { |
| 880 | pr_err("%s: CPE error IRQ %u occurred\n", |
| 881 | __func__, irq); |
| 882 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 883 | return; |
| 884 | } |
| 885 | |
| 886 | switch (t_info->state) { |
| 887 | case CPE_STATE_BOOTING: |
| 888 | |
| 889 | switch (t_info->substate) { |
| 890 | case CPE_SS_BOOT: |
| 891 | temp_node.command = CPE_CMD_BOOT_INITIALIZE; |
| 892 | temp_node.result = CPE_SVC_SUCCESS; |
| 893 | t_info->substate = CPE_SS_BOOT_INIT; |
| 894 | t_info->cpe_process_command(&temp_node); |
| 895 | break; |
| 896 | |
| 897 | case CPE_SS_BOOT_INIT: |
| 898 | temp_node.command = CPE_CMD_BOOT_COMPLETE; |
| 899 | temp_node.result = CPE_SVC_SUCCESS; |
| 900 | t_info->substate = CPE_SS_ONLINE; |
| 901 | t_info->cpe_process_command(&temp_node); |
| 902 | break; |
| 903 | |
| 904 | default: |
| 905 | pr_debug("%s: unhandled substate %d for state %d\n", |
| 906 | __func__, t_info->state, t_info->substate); |
| 907 | break; |
| 908 | } |
| 909 | break; |
| 910 | |
| 911 | case CPE_STATE_SENDING_MSG: |
| 912 | hdr = CMI_GET_HEADER(t_info->tgt->outbox); |
| 913 | if (CMI_GET_OPCODE(t_info->tgt->outbox) == |
| 914 | CPE_LSM_SESSION_EVENT_DETECTION_STATUS_V2) { |
| 915 | pr_debug("%s: session_id: %u, state: %d,%d, event received\n", |
| 916 | __func__, CMI_HDR_GET_SESSION_ID(hdr), |
| 917 | t_info->state, t_info->substate); |
| 918 | temp_node.command = CPE_CMD_PROC_INCOMING_MSG; |
| 919 | temp_node.data = NULL; |
| 920 | t_info->cpe_process_command(&temp_node); |
| 921 | break; |
| 922 | } |
| 923 | |
| 924 | m = (struct cpe_send_msg *)t_info->pending; |
| 925 | |
| 926 | switch (t_info->substate) { |
| 927 | case CPE_SS_MSG_REQUEST_ACCESS: |
| 928 | cpe_send_cmd_to_thread(t_info, |
| 929 | CPE_CMD_SEND_TRANS_MSG, m, true); |
| 930 | break; |
| 931 | |
| 932 | case CPE_SS_MSG_SEND_INBOX: |
| 933 | if (cpe_is_cmd_clk_req(t_info->tgt->outbox)) |
| 934 | cpe_process_clk_change_req(t_info); |
| 935 | else |
| 936 | cpe_send_cmd_to_thread(t_info, |
| 937 | CPE_CMD_SEND_MSG_COMPLETE, m, true); |
| 938 | break; |
| 939 | |
| 940 | default: |
| 941 | pr_debug("%s: unhandled substate %d for state %d\n", |
| 942 | __func__, t_info->state, t_info->substate); |
| 943 | break; |
| 944 | } |
| 945 | break; |
| 946 | |
| 947 | case CPE_STATE_IDLE: |
| 948 | pr_debug("%s: Message received, notifying client\n", |
| 949 | __func__); |
| 950 | temp_node.command = CPE_CMD_PROC_INCOMING_MSG; |
| 951 | temp_node.data = NULL; |
| 952 | t_info->cpe_process_command(&temp_node); |
| 953 | break; |
| 954 | |
| 955 | default: |
| 956 | pr_debug("%s: unhandled state %d\n", |
| 957 | __func__, t_info->state); |
| 958 | break; |
| 959 | } |
| 960 | |
| 961 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 962 | } |
| 963 | |
| 964 | |
| 965 | static void broacast_boot_failed(void) |
| 966 | { |
| 967 | struct cpe_info *t_info = cpe_d.cpe_default_handle; |
| 968 | struct cpe_svc_notification payload; |
| 969 | |
| 970 | payload.event = CPE_SVC_BOOT_FAILED; |
| 971 | payload.result = CPE_SVC_FAILED; |
| 972 | payload.payload = NULL; |
| 973 | if (t_info) |
| 974 | payload.private_data = |
| 975 | t_info->client_context; |
| 976 | cpe_broadcast_notification(t_info, &payload); |
| 977 | } |
| 978 | |
| 979 | static enum cpe_svc_result broadcast_boot_event( |
| 980 | struct cpe_info *t_info) |
| 981 | { |
| 982 | struct cpe_svc_notification payload; |
| 983 | |
| 984 | payload.event = CPE_SVC_ONLINE; |
| 985 | payload.result = CPE_SVC_SUCCESS; |
| 986 | payload.payload = NULL; |
| 987 | if (t_info) |
| 988 | payload.private_data = |
| 989 | t_info->client_context; |
| 990 | cpe_broadcast_notification(t_info, &payload); |
| 991 | |
| 992 | return CPE_SVC_SUCCESS; |
| 993 | } |
| 994 | |
| 995 | static enum cpe_process_result cpe_boot_initialize(struct cpe_info *t_info, |
| 996 | enum cpe_svc_result *cpe_rc) |
| 997 | { |
| 998 | enum cpe_process_result rc = CPE_SVC_FAILED; |
| 999 | struct cpe_svc_notification payload; |
| 1000 | struct cmi_core_svc_event_system_boot *p = NULL; |
| 1001 | |
| 1002 | if (CMI_GET_OPCODE(t_info->tgt->outbox) != |
| 1003 | CPE_CORE_SVC_EVENT_SYSTEM_BOOT) { |
| 1004 | broacast_boot_failed(); |
| 1005 | return rc; |
| 1006 | } |
| 1007 | |
| 1008 | p = (struct cmi_core_svc_event_system_boot *) |
| 1009 | CMI_GET_PAYLOAD(t_info->tgt->outbox); |
| 1010 | if (p->status != CPE_BOOT_SUCCESS) { |
| 1011 | pr_err("%s: cpe boot failed, status = %d\n", |
| 1012 | __func__, p->status); |
| 1013 | broacast_boot_failed(); |
| 1014 | return rc; |
| 1015 | } |
| 1016 | |
| 1017 | /* boot was successful */ |
| 1018 | if (p->version == |
| 1019 | CPE_CORE_VERSION_SYSTEM_BOOT_EVENT) { |
| 1020 | cpe_d.cpe_debug_vector.debug_address = |
| 1021 | p->sfr_buff_address; |
| 1022 | cpe_d.cpe_debug_vector.debug_buffer_size = |
| 1023 | p->sfr_buff_size; |
| 1024 | cpe_d.cpe_debug_vector.status = p->status; |
| 1025 | payload.event = CPE_SVC_BOOT; |
| 1026 | payload.result = CPE_SVC_SUCCESS; |
| 1027 | payload.payload = (void *)&cpe_d.cpe_debug_vector; |
| 1028 | payload.private_data = t_info->client_context; |
| 1029 | cpe_broadcast_notification(t_info, &payload); |
| 1030 | } |
| 1031 | cpe_change_state(t_info, CPE_STATE_BOOTING, |
| 1032 | CPE_SS_BOOT_INIT); |
| 1033 | (*cpe_rc) = cpe_send_msg_to_inbox(t_info, |
| 1034 | CPE_CORE_SVC_CMD_SHARED_MEM_ALLOC, NULL); |
| 1035 | rc = CPE_PROC_SUCCESS; |
| 1036 | return rc; |
| 1037 | } |
| 1038 | |
| 1039 | static void cpe_svc_core_cmi_handler( |
| 1040 | const struct cmi_api_notification *parameter) |
| 1041 | { |
| 1042 | struct cmi_hdr *hdr; |
| 1043 | |
| 1044 | if (!parameter) |
| 1045 | return; |
| 1046 | |
| 1047 | pr_debug("%s: event = %d\n", |
| 1048 | __func__, parameter->event); |
| 1049 | |
| 1050 | if (parameter->event != CMI_API_MSG) |
| 1051 | return; |
| 1052 | |
| 1053 | hdr = (struct cmi_hdr *) parameter->message; |
| 1054 | |
| 1055 | if (hdr->opcode == CPE_CMI_BASIC_RSP_OPCODE) { |
| 1056 | struct cmi_basic_rsp_result *result; |
| 1057 | |
| 1058 | result = (struct cmi_basic_rsp_result *) |
| 1059 | ((u8 *)parameter->message) + (sizeof(*hdr)); |
| 1060 | if (result->status) |
| 1061 | pr_err("%s: error response, error code = %u\n", |
| 1062 | __func__, result->status); |
| 1063 | complete(&cpe_d.cpe_default_handle->core_svc_cmd_compl); |
| 1064 | } |
| 1065 | } |
| 1066 | |
| 1067 | static void cpe_clk_plan_work(struct work_struct *work) |
| 1068 | { |
| 1069 | struct cpe_info *t_info = NULL; |
| 1070 | size_t size = 0; |
| 1071 | struct cpe_svc_cfg_clk_plan plan; |
| 1072 | u8 *cmi_msg; |
| 1073 | struct cmi_hdr *hdr; |
| 1074 | int rc; |
| 1075 | |
| 1076 | t_info = container_of(work, struct cpe_info, clk_plan_work); |
| 1077 | if (!t_info) { |
| 1078 | pr_err("%s: Invalid handle for cpe_info\n", |
| 1079 | __func__); |
| 1080 | return; |
| 1081 | } |
| 1082 | |
| 1083 | /* Register the core service */ |
| 1084 | cpe_d.cpe_cmi_handle = cmi_register( |
| 1085 | cpe_svc_core_cmi_handler, |
| 1086 | CMI_CPE_CORE_SERVICE_ID); |
| 1087 | |
| 1088 | /* send the clk plan command */ |
| 1089 | if (!cpe_d.cpe_query_freq_plans_cb) { |
| 1090 | pr_err("%s: No support for querying clk plans\n", |
| 1091 | __func__); |
| 1092 | return; |
| 1093 | } |
| 1094 | |
| 1095 | cpe_d.cpe_query_freq_plans_cb(cpe_d.cdc_priv, &plan); |
| 1096 | size = sizeof(plan.current_clk_feq) + |
| 1097 | sizeof(plan.num_clk_freqs); |
| 1098 | size += plan.num_clk_freqs * |
| 1099 | sizeof(plan.clk_freqs[0]); |
| 1100 | cmi_msg = kzalloc(size + sizeof(struct cmi_hdr), |
| 1101 | GFP_KERNEL); |
| 1102 | if (!cmi_msg) |
| 1103 | return; |
| 1104 | |
| 1105 | hdr = (struct cmi_hdr *) cmi_msg; |
| 1106 | CMI_HDR_SET_OPCODE(hdr, |
| 1107 | CPE_CORE_SVC_CMD_CFG_CLK_PLAN); |
| 1108 | CMI_HDR_SET_SERVICE(hdr, CMI_CPE_CORE_SERVICE_ID); |
| 1109 | CMI_HDR_SET_SESSION(hdr, 1); |
| 1110 | CMI_HDR_SET_VERSION(hdr, CMI_DRIVER_SUPPORTED_VERSION); |
| 1111 | CMI_HDR_SET_PAYLOAD_SIZE(hdr, size); |
| 1112 | memcpy(CMI_GET_PAYLOAD(cmi_msg), &plan, |
| 1113 | size); |
| 1114 | cmi_send_msg(cmi_msg); |
| 1115 | |
| 1116 | /* Wait for clk plan command to complete */ |
| 1117 | rc = wait_for_completion_timeout(&t_info->core_svc_cmd_compl, |
| 1118 | (10 * HZ)); |
| 1119 | if (!rc) { |
| 1120 | pr_err("%s: clk plan cmd timed out\n", |
| 1121 | __func__); |
| 1122 | goto cmd_fail; |
| 1123 | } |
| 1124 | |
| 1125 | /* clk plan cmd is successful, send start notification */ |
| 1126 | if (t_info->cpe_start_notification) |
| 1127 | t_info->cpe_start_notification(t_info); |
| 1128 | else |
| 1129 | pr_err("%s: no start notification\n", |
| 1130 | __func__); |
| 1131 | |
| 1132 | cmd_fail: |
| 1133 | kfree(cmi_msg); |
| 1134 | cmi_deregister(cpe_d.cpe_cmi_handle); |
| 1135 | } |
| 1136 | |
| 1137 | static enum cpe_process_result cpe_boot_complete( |
| 1138 | struct cpe_info *t_info) |
| 1139 | { |
| 1140 | struct cmi_core_svc_cmdrsp_shared_mem_alloc *p = NULL; |
| 1141 | |
| 1142 | if (CMI_GET_OPCODE(t_info->tgt->outbox) != |
| 1143 | CPE_CORE_SVC_CMDRSP_SHARED_MEM_ALLOC) { |
| 1144 | broacast_boot_failed(); |
| 1145 | return CPE_PROC_FAILED; |
| 1146 | } |
| 1147 | |
| 1148 | p = (struct cmi_core_svc_cmdrsp_shared_mem_alloc *) |
| 1149 | CMI_GET_PAYLOAD(t_info->tgt->outbox); |
| 1150 | cpe_d.cpe_msg_buffer = p->addr; |
| 1151 | |
| 1152 | if (cpe_d.cpe_msg_buffer == 0) { |
| 1153 | pr_err("%s: Invalid cpe buffer for message\n", |
| 1154 | __func__); |
| 1155 | broacast_boot_failed(); |
| 1156 | return CPE_PROC_FAILED; |
| 1157 | } |
| 1158 | |
| 1159 | cpe_change_state(t_info, CPE_STATE_IDLE, CPE_SS_IDLE); |
| 1160 | cpe_create_worker_thread(t_info); |
| 1161 | |
| 1162 | if (t_info->codec_id != CPE_SVC_CODEC_TOMTOM) { |
| 1163 | schedule_work(&t_info->clk_plan_work); |
| 1164 | } else { |
| 1165 | if (t_info->cpe_start_notification) |
| 1166 | t_info->cpe_start_notification(t_info); |
| 1167 | else |
| 1168 | pr_err("%s: no start notification\n", |
| 1169 | __func__); |
| 1170 | } |
| 1171 | |
| 1172 | pr_debug("%s: boot complete\n", __func__); |
| 1173 | return CPE_SVC_SUCCESS; |
| 1174 | } |
| 1175 | |
| 1176 | static enum cpe_process_result cpe_process_send_msg( |
| 1177 | struct cpe_info *t_info, |
| 1178 | enum cpe_svc_result *cpe_rc, |
| 1179 | struct cpe_command_node *command_node) |
| 1180 | { |
| 1181 | enum cpe_process_result rc = CPE_PROC_SUCCESS; |
| 1182 | struct cpe_send_msg *m = |
| 1183 | (struct cpe_send_msg *)command_node->data; |
| 1184 | u32 size = m->size; |
| 1185 | |
| 1186 | if (t_info->pending) { |
| 1187 | pr_debug("%s: message queued\n", __func__); |
| 1188 | *cpe_rc = CPE_SVC_SUCCESS; |
| 1189 | return CPE_PROC_QUEUED; |
| 1190 | } |
| 1191 | |
| 1192 | pr_debug("%s: Send CMI message, size = %u\n", |
| 1193 | __func__, size); |
| 1194 | |
| 1195 | if (size <= t_info->tgt->tgt_get_cpe_info()->inbox_size) { |
| 1196 | pr_debug("%s: Msg fits mailbox, size %u\n", |
| 1197 | __func__, size); |
| 1198 | cpe_change_state(t_info, CPE_STATE_SENDING_MSG, |
| 1199 | CPE_SS_MSG_SEND_INBOX); |
| 1200 | t_info->pending = m; |
| 1201 | *cpe_rc = cpe_send_msg_to_inbox(t_info, 0, m); |
| 1202 | } else if (size < CPE_MSG_BUFFER_SIZE) { |
| 1203 | m->address = cpe_d.cpe_msg_buffer; |
| 1204 | pr_debug("%s: Message req CMI mem access\n", |
| 1205 | __func__); |
| 1206 | t_info->pending = m; |
| 1207 | cpe_change_state(t_info, CPE_STATE_SENDING_MSG, |
| 1208 | CPE_SS_MSG_REQUEST_ACCESS); |
| 1209 | *cpe_rc = cpe_send_msg_to_inbox(t_info, |
| 1210 | CPE_CORE_SVC_CMD_DRAM_ACCESS_REQ, m); |
| 1211 | } else { |
| 1212 | pr_debug("%s: Invalid msg size %u\n", |
| 1213 | __func__, size); |
| 1214 | cpe_command_cleanup(command_node); |
| 1215 | rc = CPE_PROC_FAILED; |
| 1216 | cpe_change_state(t_info, CPE_STATE_IDLE, |
| 1217 | CPE_SS_IDLE); |
| 1218 | } |
| 1219 | |
| 1220 | return rc; |
| 1221 | } |
| 1222 | |
| 1223 | static enum cpe_process_result cpe_process_incoming( |
| 1224 | struct cpe_info *t_info) |
| 1225 | { |
| 1226 | enum cpe_process_result rc = CPE_PROC_FAILED; |
| 1227 | struct cmi_hdr *hdr; |
| 1228 | |
| 1229 | hdr = CMI_GET_HEADER(t_info->tgt->outbox); |
| 1230 | |
| 1231 | if (CMI_HDR_GET_SERVICE(hdr) == |
| 1232 | CMI_CPE_CORE_SERVICE_ID) { |
| 1233 | pr_debug("%s: core service message received\n", |
| 1234 | __func__); |
| 1235 | |
| 1236 | switch (CMI_GET_OPCODE(t_info->tgt->outbox)) { |
| 1237 | case CPE_CORE_SVC_CMD_CLK_FREQ_REQUEST: |
| 1238 | cpe_process_clk_change_req(t_info); |
| 1239 | rc = CPE_PROC_SUCCESS; |
| 1240 | break; |
| 1241 | case CMI_MSG_TRANSPORT: |
| 1242 | pr_debug("%s: transport msg received\n", |
| 1243 | __func__); |
| 1244 | rc = CPE_PROC_SUCCESS; |
| 1245 | break; |
| 1246 | case CPE_CMI_BASIC_RSP_OPCODE: |
| 1247 | pr_debug("%s: received basic rsp\n", |
| 1248 | __func__); |
| 1249 | rc = CPE_PROC_SUCCESS; |
| 1250 | break; |
| 1251 | default: |
| 1252 | pr_debug("%s: unknown message received\n", |
| 1253 | __func__); |
| 1254 | break; |
| 1255 | } |
| 1256 | } else { |
| 1257 | /* if service id if for a CMI client, notify client */ |
| 1258 | pr_debug("%s: Message received, notifying client\n", |
| 1259 | __func__); |
| 1260 | cpe_notify_cmi_client(t_info, |
| 1261 | t_info->tgt->outbox, CPE_SVC_SUCCESS); |
| 1262 | rc = CPE_PROC_SUCCESS; |
| 1263 | } |
| 1264 | |
| 1265 | return rc; |
| 1266 | } |
| 1267 | |
| 1268 | static enum cpe_process_result cpe_process_kill_thread( |
| 1269 | struct cpe_info *t_info, |
| 1270 | struct cpe_command_node *command_node) |
| 1271 | { |
| 1272 | struct cpe_svc_notification payload; |
| 1273 | |
| 1274 | cpe_d.cpe_msg_buffer = 0; |
| 1275 | payload.result = CPE_SVC_SHUTTING_DOWN; |
| 1276 | payload.event = CPE_SVC_OFFLINE; |
| 1277 | payload.payload = NULL; |
| 1278 | payload.private_data = t_info->client_context; |
| 1279 | /* |
| 1280 | * Make state as offline before broadcasting |
| 1281 | * the message to clients. |
| 1282 | */ |
| 1283 | cpe_change_state(t_info, CPE_STATE_OFFLINE, |
| 1284 | CPE_SS_IDLE); |
| 1285 | cpe_broadcast_notification(t_info, &payload); |
| 1286 | |
| 1287 | return CPE_PROC_KILLED; |
| 1288 | } |
| 1289 | |
| 1290 | static enum cpe_process_result cpe_mt_process_cmd( |
| 1291 | struct cpe_command_node *command_node) |
| 1292 | { |
| 1293 | struct cpe_info *t_info = cpe_d.cpe_default_handle; |
| 1294 | enum cpe_svc_result cpe_rc = CPE_SVC_SUCCESS; |
| 1295 | enum cpe_process_result rc = CPE_PROC_SUCCESS; |
| 1296 | struct cpe_send_msg *m; |
| 1297 | struct cmi_hdr *hdr; |
| 1298 | u8 service = 0; |
| 1299 | u8 retries = 0; |
| 1300 | |
| 1301 | if (!t_info || !command_node) { |
| 1302 | pr_err("%s: Invalid handle/command node\n", |
| 1303 | __func__); |
| 1304 | return CPE_PROC_FAILED; |
| 1305 | } |
| 1306 | |
| 1307 | pr_debug("%s: cmd = %u\n", __func__, command_node->command); |
| 1308 | |
| 1309 | cpe_rc = cpe_is_command_valid(t_info, command_node->command); |
| 1310 | |
| 1311 | if (cpe_rc != CPE_SVC_SUCCESS) { |
| 1312 | pr_err("%s: Invalid command %d, err = %d\n", |
| 1313 | __func__, command_node->command, cpe_rc); |
| 1314 | return CPE_PROC_FAILED; |
| 1315 | } |
| 1316 | |
| 1317 | switch (command_node->command) { |
| 1318 | |
| 1319 | case CPE_CMD_BOOT_INITIALIZE: |
| 1320 | rc = cpe_boot_initialize(t_info, &cpe_rc); |
| 1321 | break; |
| 1322 | |
| 1323 | case CPE_CMD_BOOT_COMPLETE: |
| 1324 | rc = cpe_boot_complete(t_info); |
| 1325 | break; |
| 1326 | |
| 1327 | case CPE_CMD_SEND_MSG: |
| 1328 | rc = cpe_process_send_msg(t_info, &cpe_rc, |
| 1329 | command_node); |
| 1330 | break; |
| 1331 | |
| 1332 | case CPE_CMD_SEND_TRANS_MSG: |
| 1333 | m = (struct cpe_send_msg *)command_node->data; |
| 1334 | |
| 1335 | while (retries < CPE_SVC_INACTIVE_STATE_RETRIES_MAX) { |
| 1336 | if (t_info->tgt->tgt_is_active()) { |
| 1337 | ++retries; |
| 1338 | /* Wait for CPE to be inactive */ |
| 1339 | usleep_range(5000, 5100); |
| 1340 | } else { |
| 1341 | break; |
| 1342 | } |
| 1343 | } |
| 1344 | |
| 1345 | pr_debug("%s: cpe inactive after %d attempts\n", |
| 1346 | __func__, retries); |
| 1347 | |
| 1348 | cpe_change_state(t_info, CPE_STATE_SENDING_MSG, |
| 1349 | CPE_SS_MSG_SEND_INBOX); |
| 1350 | rc = cpe_send_msg_to_inbox(t_info, 0, m); |
| 1351 | break; |
| 1352 | |
| 1353 | case CPE_CMD_SEND_MSG_COMPLETE: |
| 1354 | hdr = CMI_GET_HEADER(t_info->tgt->outbox); |
| 1355 | service = CMI_HDR_GET_SERVICE(hdr); |
| 1356 | pr_debug("%s: msg send success, notifying clients\n", |
| 1357 | __func__); |
| 1358 | cpe_command_cleanup(command_node); |
| 1359 | t_info->pending = NULL; |
| 1360 | cpe_change_state(t_info, |
| 1361 | CPE_STATE_IDLE, CPE_SS_IDLE); |
| 1362 | cpe_notify_cmi_client(t_info, |
| 1363 | t_info->tgt->outbox, CPE_SVC_SUCCESS); |
| 1364 | break; |
| 1365 | |
| 1366 | case CPE_CMD_PROC_INCOMING_MSG: |
| 1367 | rc = cpe_process_incoming(t_info); |
| 1368 | break; |
| 1369 | |
| 1370 | case CPE_CMD_KILL_THREAD: |
| 1371 | rc = cpe_process_kill_thread(t_info, command_node); |
| 1372 | break; |
| 1373 | |
| 1374 | default: |
| 1375 | pr_err("%s: unhandled cpe cmd = %d\n", |
| 1376 | __func__, command_node->command); |
| 1377 | break; |
| 1378 | } |
| 1379 | |
| 1380 | if (cpe_rc != CPE_SVC_SUCCESS) { |
| 1381 | pr_err("%s: failed to execute command\n", __func__); |
| 1382 | if (t_info->pending) { |
| 1383 | m = (struct cpe_send_msg *)t_info->pending; |
| 1384 | cpe_notify_cmi_client(t_info, m->payload, |
| 1385 | CPE_SVC_FAILED); |
| 1386 | t_info->pending = NULL; |
| 1387 | } |
| 1388 | |
| 1389 | cpe_command_cleanup(command_node); |
| 1390 | rc = CPE_PROC_FAILED; |
| 1391 | cpe_change_state(t_info, CPE_STATE_IDLE, |
| 1392 | CPE_SS_IDLE); |
| 1393 | } |
| 1394 | |
| 1395 | return rc; |
| 1396 | } |
| 1397 | |
| 1398 | static enum cpe_svc_result cpe_mt_validate_cmd( |
| 1399 | const struct cpe_info *t_info, |
| 1400 | enum cpe_command command) |
| 1401 | { |
| 1402 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 1403 | |
| 1404 | if ((t_info == NULL) || t_info->initialized == false) { |
| 1405 | pr_err("%s: cpe service is not ready\n", |
| 1406 | __func__); |
| 1407 | return CPE_SVC_NOT_READY; |
| 1408 | } |
| 1409 | |
| 1410 | switch (t_info->state) { |
| 1411 | case CPE_STATE_UNINITIALIZED: |
| 1412 | case CPE_STATE_INITIALIZED: |
| 1413 | switch (command) { |
| 1414 | case CPE_CMD_RESET: |
| 1415 | case CPE_CMD_DL_SEGMENT: |
| 1416 | case CPE_CMD_RAMDUMP: |
| 1417 | case CPE_CMD_PROCESS_IRQ: |
| 1418 | case CPE_CMD_KILL_THREAD: |
| 1419 | case CPE_CMD_DEINITIALIZE: |
| 1420 | case CPE_CMD_FTM_TEST: |
| 1421 | rc = CPE_SVC_SUCCESS; |
| 1422 | break; |
| 1423 | default: |
| 1424 | rc = CPE_SVC_NOT_READY; |
| 1425 | break; |
| 1426 | } |
| 1427 | break; |
| 1428 | |
| 1429 | case CPE_STATE_DOWNLOADING: |
| 1430 | switch (command) { |
| 1431 | case CPE_CMD_RESET: |
| 1432 | case CPE_CMD_DL_SEGMENT: |
| 1433 | case CPE_CMD_BOOT: |
| 1434 | case CPE_CMD_FTM_TEST: |
| 1435 | rc = CPE_SVC_SUCCESS; |
| 1436 | break; |
| 1437 | default: |
| 1438 | rc = CPE_SVC_NOT_READY; |
| 1439 | break; |
| 1440 | } |
| 1441 | break; |
| 1442 | |
| 1443 | case CPE_STATE_BOOTING: |
| 1444 | switch (command) { |
| 1445 | case CPE_CMD_PROCESS_IRQ: |
| 1446 | case CPE_CMD_BOOT_INITIALIZE: |
| 1447 | case CPE_CMD_BOOT_COMPLETE: |
| 1448 | case CPE_CMD_SHUTDOWN: |
| 1449 | rc = CPE_SVC_SUCCESS; |
| 1450 | break; |
| 1451 | case CPE_CMD_FTM_TEST: |
| 1452 | rc = CPE_SVC_BUSY; |
| 1453 | break; |
| 1454 | default: |
| 1455 | rc = CPE_SVC_NOT_READY; |
| 1456 | break; |
| 1457 | } |
| 1458 | break; |
| 1459 | |
| 1460 | case CPE_STATE_IDLE: |
| 1461 | switch (command) { |
| 1462 | case CPE_CMD_SEND_MSG: |
| 1463 | case CPE_CMD_SEND_TRANS_MSG: |
| 1464 | case CPE_CMD_SEND_MSG_COMPLETE: |
| 1465 | case CPE_CMD_PROCESS_IRQ: |
| 1466 | case CPE_CMD_RESET: |
| 1467 | case CPE_CMD_SHUTDOWN: |
| 1468 | case CPE_CMD_KILL_THREAD: |
| 1469 | case CPE_CMD_PROC_INCOMING_MSG: |
| 1470 | rc = CPE_SVC_SUCCESS; |
| 1471 | break; |
| 1472 | case CPE_CMD_FTM_TEST: |
| 1473 | rc = CPE_SVC_BUSY; |
| 1474 | break; |
| 1475 | default: |
| 1476 | rc = CPE_SVC_FAILED; |
| 1477 | break; |
| 1478 | } |
| 1479 | break; |
| 1480 | |
| 1481 | case CPE_STATE_SENDING_MSG: |
| 1482 | switch (command) { |
| 1483 | case CPE_CMD_SEND_MSG: |
| 1484 | case CPE_CMD_SEND_TRANS_MSG: |
| 1485 | case CPE_CMD_SEND_MSG_COMPLETE: |
| 1486 | case CPE_CMD_PROCESS_IRQ: |
| 1487 | case CPE_CMD_SHUTDOWN: |
| 1488 | case CPE_CMD_KILL_THREAD: |
| 1489 | case CPE_CMD_PROC_INCOMING_MSG: |
| 1490 | rc = CPE_SVC_SUCCESS; |
| 1491 | break; |
| 1492 | case CPE_CMD_FTM_TEST: |
| 1493 | rc = CPE_SVC_BUSY; |
| 1494 | break; |
| 1495 | default: |
| 1496 | rc = CPE_SVC_FAILED; |
| 1497 | break; |
| 1498 | } |
| 1499 | break; |
| 1500 | |
| 1501 | case CPE_STATE_OFFLINE: |
| 1502 | switch (command) { |
| 1503 | case CPE_CMD_RESET: |
| 1504 | case CPE_CMD_RAMDUMP: |
| 1505 | case CPE_CMD_KILL_THREAD: |
| 1506 | rc = CPE_SVC_SUCCESS; |
| 1507 | break; |
| 1508 | default: |
| 1509 | rc = CPE_SVC_NOT_READY; |
| 1510 | break; |
| 1511 | } |
| 1512 | break; |
| 1513 | |
| 1514 | default: |
| 1515 | pr_debug("%s: unhandled state %d\n", |
| 1516 | __func__, t_info->state); |
| 1517 | break; |
| 1518 | } |
| 1519 | |
| 1520 | if (rc != CPE_SVC_SUCCESS) |
| 1521 | pr_err("%s: invalid command %d, state = %d\n", |
| 1522 | __func__, command, t_info->state); |
| 1523 | return rc; |
| 1524 | } |
| 1525 | |
| 1526 | void *cpe_svc_initialize( |
| 1527 | void irq_control_callback(u32 enable), |
| 1528 | const void *codec_info, void *context) |
| 1529 | { |
| 1530 | struct cpe_info *t_info = NULL; |
| 1531 | const struct cpe_svc_hw_cfg *cap = NULL; |
| 1532 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 1533 | struct cpe_svc_init_param *init_context = |
| 1534 | (struct cpe_svc_init_param *) context; |
| 1535 | void *client_context = NULL; |
| 1536 | |
| 1537 | if (cpe_d.cpe_default_handle && |
| 1538 | cpe_d.cpe_default_handle->initialized == true) |
| 1539 | return (void *)cpe_d.cpe_default_handle; |
| 1540 | cpe_d.cpe_query_freq_plans_cb = NULL; |
| 1541 | cpe_d.cpe_change_freq_plan_cb = NULL; |
| 1542 | |
| 1543 | if (context) { |
| 1544 | client_context = init_context->context; |
| 1545 | switch (init_context->version) { |
| 1546 | case CPE_SVC_INIT_PARAM_V1: |
| 1547 | cpe_d.cpe_query_freq_plans_cb = |
| 1548 | init_context->query_freq_plans_cb; |
| 1549 | cpe_d.cpe_change_freq_plan_cb = |
| 1550 | init_context->change_freq_plan_cb; |
| 1551 | break; |
| 1552 | default: |
| 1553 | break; |
| 1554 | } |
| 1555 | } |
| 1556 | |
| 1557 | if (!cpe_d.cpe_default_handle) { |
| 1558 | cpe_d.cpe_default_handle = kzalloc(sizeof(struct cpe_info), |
| 1559 | GFP_KERNEL); |
| 1560 | if (!cpe_d.cpe_default_handle) |
| 1561 | goto err_register; |
| 1562 | |
| 1563 | memset(cpe_d.cpe_default_handle, 0, |
| 1564 | sizeof(struct cpe_info)); |
| 1565 | } |
| 1566 | |
| 1567 | t_info = cpe_d.cpe_default_handle; |
| 1568 | t_info->client_context = client_context; |
| 1569 | |
| 1570 | INIT_LIST_HEAD(&t_info->client_list); |
| 1571 | cpe_d.cdc_priv = client_context; |
| 1572 | INIT_WORK(&t_info->clk_plan_work, cpe_clk_plan_work); |
| 1573 | init_completion(&t_info->core_svc_cmd_compl); |
| 1574 | |
| 1575 | t_info->tgt = kzalloc(sizeof(struct cpe_svc_tgt_abstraction), |
| 1576 | GFP_KERNEL); |
| 1577 | if (!t_info->tgt) |
| 1578 | goto err_tgt_alloc; |
| 1579 | t_info->codec_id = |
| 1580 | ((struct cpe_svc_codec_info_v1 *) codec_info)->id; |
| 1581 | |
| 1582 | rc = cpe_svc_tgt_init((struct cpe_svc_codec_info_v1 *)codec_info, |
| 1583 | t_info->tgt); |
| 1584 | |
| 1585 | if (rc != CPE_SVC_SUCCESS) |
| 1586 | goto err_tgt_init; |
| 1587 | |
| 1588 | cap = t_info->tgt->tgt_get_cpe_info(); |
| 1589 | |
| 1590 | memset(t_info->tgt->outbox, 0, cap->outbox_size); |
| 1591 | memset(t_info->tgt->inbox, 0, cap->inbox_size); |
| 1592 | mutex_init(&t_info->msg_lock); |
| 1593 | cpe_d.cpe_irq_control_callback = irq_control_callback; |
| 1594 | t_info->cpe_process_command = cpe_mt_process_cmd; |
| 1595 | t_info->cpe_cmd_validate = cpe_mt_validate_cmd; |
| 1596 | t_info->cpe_start_notification = broadcast_boot_event; |
| 1597 | mutex_init(&cpe_d.cpe_api_mutex); |
| 1598 | mutex_init(&cpe_d.cpe_svc_lock); |
| 1599 | pr_debug("%s: cpe services initialized\n", __func__); |
| 1600 | t_info->state = CPE_STATE_INITIALIZED; |
| 1601 | t_info->initialized = true; |
| 1602 | |
| 1603 | return t_info; |
| 1604 | |
| 1605 | err_tgt_init: |
| 1606 | kfree(t_info->tgt); |
| 1607 | |
| 1608 | err_tgt_alloc: |
| 1609 | kfree(cpe_d.cpe_default_handle); |
| 1610 | cpe_d.cpe_default_handle = NULL; |
| 1611 | |
| 1612 | err_register: |
| 1613 | return NULL; |
| 1614 | } |
| 1615 | |
| 1616 | enum cpe_svc_result cpe_svc_deinitialize(void *cpe_handle) |
| 1617 | { |
| 1618 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 1619 | struct cpe_info *t_info = (struct cpe_info *)cpe_handle; |
| 1620 | |
| 1621 | if (!t_info) |
| 1622 | t_info = cpe_d.cpe_default_handle; |
| 1623 | |
| 1624 | rc = cpe_is_command_valid(t_info, CPE_CMD_DEINITIALIZE); |
| 1625 | |
| 1626 | if (rc != CPE_SVC_SUCCESS) { |
| 1627 | pr_err("%s: Invalid command %d\n", |
| 1628 | __func__, CPE_CMD_DEINITIALIZE); |
| 1629 | return rc; |
| 1630 | } |
| 1631 | |
| 1632 | if (cpe_d.cpe_default_handle == t_info) |
| 1633 | cpe_d.cpe_default_handle = NULL; |
| 1634 | |
| 1635 | t_info->tgt->tgt_deinit(t_info->tgt); |
| 1636 | cpe_change_state(t_info, CPE_STATE_UNINITIALIZED, |
| 1637 | CPE_SS_IDLE); |
| 1638 | mutex_destroy(&t_info->msg_lock); |
| 1639 | kfree(t_info->tgt); |
| 1640 | kfree(t_info); |
| 1641 | mutex_destroy(&cpe_d.cpe_api_mutex); |
| 1642 | mutex_destroy(&cpe_d.cpe_svc_lock); |
| 1643 | |
| 1644 | return rc; |
| 1645 | } |
| 1646 | |
| 1647 | void *cpe_svc_register(void *cpe_handle, |
| 1648 | void (*notification_callback) |
| 1649 | (const struct cpe_svc_notification *parameter), |
| 1650 | u32 mask, const char *name) |
| 1651 | { |
| 1652 | void *reg_handle; |
| 1653 | |
| 1654 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1655 | if (!cpe_d.cpe_default_handle) { |
| 1656 | cpe_d.cpe_default_handle = kzalloc(sizeof(struct cpe_info), |
| 1657 | GFP_KERNEL); |
| 1658 | if (!cpe_d.cpe_default_handle) { |
| 1659 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1660 | return NULL; |
| 1661 | } |
| 1662 | |
| 1663 | memset(cpe_d.cpe_default_handle, 0, |
| 1664 | sizeof(struct cpe_info)); |
| 1665 | } |
| 1666 | |
| 1667 | if (!cpe_handle) |
| 1668 | cpe_handle = cpe_d.cpe_default_handle; |
| 1669 | |
| 1670 | reg_handle = cpe_register_generic((struct cpe_info *)cpe_handle, |
| 1671 | notification_callback, |
| 1672 | NULL, |
| 1673 | mask, CPE_NO_SERVICE, name); |
| 1674 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1675 | |
| 1676 | return reg_handle; |
| 1677 | } |
| 1678 | |
| 1679 | enum cpe_svc_result cpe_svc_deregister(void *cpe_handle, void *reg_handle) |
| 1680 | { |
| 1681 | enum cpe_svc_result rc; |
| 1682 | |
| 1683 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1684 | if (!cpe_handle) |
| 1685 | cpe_handle = cpe_d.cpe_default_handle; |
| 1686 | |
| 1687 | rc = cpe_deregister_generic((struct cpe_info *)cpe_handle, |
| 1688 | reg_handle); |
| 1689 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1690 | |
| 1691 | return rc; |
| 1692 | } |
| 1693 | |
| 1694 | enum cpe_svc_result cpe_svc_download_segment(void *cpe_handle, |
| 1695 | const struct cpe_svc_mem_segment *segment) |
| 1696 | { |
| 1697 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 1698 | struct cpe_info *t_info = (struct cpe_info *)cpe_handle; |
| 1699 | |
| 1700 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1701 | if (!t_info) |
| 1702 | t_info = cpe_d.cpe_default_handle; |
| 1703 | |
| 1704 | rc = cpe_is_command_valid(t_info, CPE_CMD_DL_SEGMENT); |
| 1705 | |
| 1706 | if (rc != CPE_SVC_SUCCESS) { |
| 1707 | pr_err("%s: cmd validation fail, cmd = %d\n", |
| 1708 | __func__, CPE_CMD_DL_SEGMENT); |
| 1709 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1710 | return rc; |
| 1711 | } |
| 1712 | |
| 1713 | cpe_toggle_irq_notification(t_info, false); |
| 1714 | t_info->state = CPE_STATE_DOWNLOADING; |
| 1715 | t_info->substate = CPE_SS_DL_DOWNLOADING; |
| 1716 | rc = t_info->tgt->tgt_write_ram(t_info, segment); |
| 1717 | cpe_toggle_irq_notification(t_info, true); |
| 1718 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1719 | |
| 1720 | return rc; |
| 1721 | } |
| 1722 | |
| 1723 | enum cpe_svc_result cpe_svc_boot(void *cpe_handle, int debug_mode) |
| 1724 | { |
| 1725 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 1726 | struct cpe_info *t_info = (struct cpe_info *)cpe_handle; |
| 1727 | |
| 1728 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1729 | if (!t_info) |
| 1730 | t_info = cpe_d.cpe_default_handle; |
| 1731 | |
| 1732 | rc = cpe_is_command_valid(t_info, CPE_CMD_BOOT); |
| 1733 | |
| 1734 | if (rc != CPE_SVC_SUCCESS) { |
| 1735 | pr_err("%s: cmd validation fail, cmd = %d\n", |
| 1736 | __func__, CPE_CMD_BOOT); |
| 1737 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1738 | return rc; |
| 1739 | } |
| 1740 | |
| 1741 | if (rc == CPE_SVC_SUCCESS) { |
| 1742 | t_info->tgt->tgt_boot(debug_mode); |
| 1743 | t_info->state = CPE_STATE_BOOTING; |
| 1744 | t_info->substate = CPE_SS_BOOT; |
| 1745 | pr_debug("%s: cpe service booting\n", |
| 1746 | __func__); |
| 1747 | } |
| 1748 | |
| 1749 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1750 | return rc; |
| 1751 | } |
| 1752 | |
| 1753 | enum cpe_svc_result cpe_svc_process_irq(void *cpe_handle, u32 cpe_irq) |
| 1754 | { |
| 1755 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 1756 | struct cpe_info *t_info = (struct cpe_info *)cpe_handle; |
| 1757 | |
| 1758 | if (!t_info) |
| 1759 | t_info = cpe_d.cpe_default_handle; |
| 1760 | |
| 1761 | cpe_toggle_irq_notification(t_info, false); |
| 1762 | cpe_process_irq_int(cpe_irq, t_info); |
| 1763 | cpe_toggle_irq_notification(t_info, true); |
| 1764 | |
| 1765 | return rc; |
| 1766 | } |
| 1767 | |
| 1768 | enum cpe_svc_result cpe_svc_route_notification(void *cpe_handle, |
| 1769 | enum cpe_svc_module module, enum cpe_svc_route_dest dest) |
| 1770 | { |
| 1771 | struct cpe_info *t_info = (struct cpe_info *)cpe_handle; |
| 1772 | enum cpe_svc_result rc = CPE_SVC_NOT_READY; |
| 1773 | |
| 1774 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1775 | if (!t_info) |
| 1776 | t_info = cpe_d.cpe_default_handle; |
| 1777 | |
| 1778 | if (t_info->tgt) |
| 1779 | rc = t_info->tgt->tgt_route_notification(module, dest); |
| 1780 | |
| 1781 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1782 | return rc; |
| 1783 | } |
| 1784 | |
| 1785 | static enum cpe_svc_result __cpe_svc_shutdown(void *cpe_handle) |
| 1786 | { |
| 1787 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 1788 | struct cpe_info *t_info = (struct cpe_info *)cpe_handle; |
| 1789 | struct cpe_command_node *n = NULL; |
| 1790 | struct cpe_command_node kill_cmd; |
| 1791 | |
| 1792 | if (!t_info) |
| 1793 | t_info = cpe_d.cpe_default_handle; |
| 1794 | |
| 1795 | rc = cpe_is_command_valid(t_info, CPE_CMD_SHUTDOWN); |
| 1796 | |
| 1797 | if (rc != CPE_SVC_SUCCESS) { |
| 1798 | pr_err("%s: cmd validation fail, cmd = %d\n", |
| 1799 | __func__, CPE_CMD_SHUTDOWN); |
| 1800 | return rc; |
| 1801 | } |
| 1802 | |
| 1803 | while (!list_empty(&t_info->main_queue)) { |
| 1804 | n = list_first_entry(&t_info->main_queue, |
| 1805 | struct cpe_command_node, list); |
| 1806 | |
| 1807 | if (n->command == CPE_CMD_SEND_MSG) { |
| 1808 | cpe_notify_cmi_client(t_info, (u8 *)n->data, |
| 1809 | CPE_SVC_SHUTTING_DOWN); |
| 1810 | } |
| 1811 | /* |
| 1812 | * Since command cannot be processed, |
| 1813 | * delete it from the list and perform cleanup |
| 1814 | */ |
| 1815 | list_del(&n->list); |
| 1816 | cpe_command_cleanup(n); |
| 1817 | kfree(n); |
| 1818 | } |
| 1819 | |
| 1820 | pr_debug("%s: cpe service OFFLINE state\n", __func__); |
| 1821 | |
| 1822 | t_info->state = CPE_STATE_OFFLINE; |
| 1823 | t_info->substate = CPE_SS_IDLE; |
| 1824 | |
| 1825 | memset(&kill_cmd, 0, sizeof(kill_cmd)); |
| 1826 | kill_cmd.command = CPE_CMD_KILL_THREAD; |
| 1827 | |
| 1828 | if (t_info->pending) { |
| 1829 | struct cpe_send_msg *m = |
| 1830 | (struct cpe_send_msg *)t_info->pending; |
| 1831 | cpe_notify_cmi_client(t_info, m->payload, |
| 1832 | CPE_SVC_SHUTTING_DOWN); |
| 1833 | kfree(t_info->pending); |
| 1834 | t_info->pending = NULL; |
| 1835 | } |
| 1836 | |
| 1837 | cpe_cleanup_worker_thread(t_info); |
| 1838 | t_info->cpe_process_command(&kill_cmd); |
| 1839 | |
| 1840 | return rc; |
| 1841 | } |
| 1842 | |
| 1843 | enum cpe_svc_result cpe_svc_shutdown(void *cpe_handle) |
| 1844 | { |
| 1845 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 1846 | |
| 1847 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1848 | rc = __cpe_svc_shutdown(cpe_handle); |
| 1849 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1850 | return rc; |
| 1851 | } |
| 1852 | |
| 1853 | enum cpe_svc_result cpe_svc_reset(void *cpe_handle) |
| 1854 | { |
| 1855 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 1856 | struct cpe_info *t_info = (struct cpe_info *)cpe_handle; |
| 1857 | |
| 1858 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1859 | if (!t_info) |
| 1860 | t_info = cpe_d.cpe_default_handle; |
| 1861 | |
| 1862 | rc = cpe_is_command_valid(t_info, CPE_CMD_RESET); |
| 1863 | |
| 1864 | if (rc != CPE_SVC_SUCCESS) { |
| 1865 | pr_err("%s: cmd validation fail, cmd = %d\n", |
| 1866 | __func__, CPE_CMD_RESET); |
| 1867 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1868 | return rc; |
| 1869 | } |
| 1870 | |
| 1871 | if (t_info && t_info->tgt) { |
| 1872 | rc = t_info->tgt->tgt_reset(); |
| 1873 | pr_debug("%s: cpe services in INITIALIZED state\n", |
| 1874 | __func__); |
| 1875 | t_info->state = CPE_STATE_INITIALIZED; |
| 1876 | t_info->substate = CPE_SS_IDLE; |
| 1877 | } |
| 1878 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1879 | |
| 1880 | return rc; |
| 1881 | } |
| 1882 | |
| 1883 | enum cpe_svc_result cpe_svc_ramdump(void *cpe_handle, |
| 1884 | struct cpe_svc_mem_segment *buffer) |
| 1885 | { |
| 1886 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 1887 | struct cpe_info *t_info = (struct cpe_info *)cpe_handle; |
| 1888 | |
| 1889 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1890 | if (!t_info) |
| 1891 | t_info = cpe_d.cpe_default_handle; |
| 1892 | |
| 1893 | rc = cpe_is_command_valid(t_info, CPE_CMD_RAMDUMP); |
| 1894 | if (rc != CPE_SVC_SUCCESS) { |
| 1895 | pr_err("%s: cmd validation fail, cmd = %d\n", |
| 1896 | __func__, CPE_CMD_RAMDUMP); |
| 1897 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1898 | return rc; |
| 1899 | } |
| 1900 | |
| 1901 | if (t_info->tgt) { |
| 1902 | rc = t_info->tgt->tgt_read_ram(t_info, buffer); |
| 1903 | } else { |
| 1904 | pr_err("%s: cpe service not ready\n", __func__); |
| 1905 | rc = CPE_SVC_NOT_READY; |
| 1906 | } |
| 1907 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1908 | |
| 1909 | return rc; |
| 1910 | } |
| 1911 | |
| 1912 | enum cpe_svc_result cpe_svc_set_debug_mode(void *cpe_handle, u32 mode) |
| 1913 | { |
| 1914 | struct cpe_info *t_info = (struct cpe_info *)cpe_handle; |
| 1915 | enum cpe_svc_result rc = CPE_SVC_INVALID_HANDLE; |
| 1916 | |
| 1917 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1918 | if (!t_info) |
| 1919 | t_info = cpe_d.cpe_default_handle; |
| 1920 | |
| 1921 | if (t_info->tgt) |
| 1922 | rc = t_info->tgt->tgt_set_debug_mode(mode); |
| 1923 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1924 | |
| 1925 | return rc; |
| 1926 | } |
| 1927 | |
| 1928 | const struct cpe_svc_hw_cfg *cpe_svc_get_hw_cfg(void *cpe_handle) |
| 1929 | { |
| 1930 | struct cpe_info *t_info = (struct cpe_info *)cpe_handle; |
| 1931 | |
| 1932 | if (!t_info) |
| 1933 | t_info = cpe_d.cpe_default_handle; |
| 1934 | |
| 1935 | if (t_info->tgt) |
| 1936 | return t_info->tgt->tgt_get_cpe_info(); |
| 1937 | |
| 1938 | return NULL; |
| 1939 | } |
| 1940 | |
| 1941 | void *cmi_register( |
| 1942 | void notification_callback( |
| 1943 | const struct cmi_api_notification *parameter), |
| 1944 | u32 service) |
| 1945 | { |
| 1946 | void *reg_handle = NULL; |
| 1947 | |
| 1948 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1949 | reg_handle = cpe_register_generic(cpe_d.cpe_default_handle, |
| 1950 | NULL, |
| 1951 | notification_callback, |
| 1952 | (CPE_SVC_CMI_MSG | CPE_SVC_OFFLINE | |
| 1953 | CPE_SVC_ONLINE), |
| 1954 | service, |
| 1955 | "CMI_CLIENT"); |
| 1956 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1957 | |
| 1958 | return reg_handle; |
| 1959 | } |
| 1960 | |
| 1961 | enum cmi_api_result cmi_deregister(void *reg_handle) |
| 1962 | { |
| 1963 | u32 clients = 0; |
| 1964 | struct cpe_notif_node *n = NULL; |
| 1965 | enum cmi_api_result rc = CMI_API_SUCCESS; |
| 1966 | struct cpe_svc_notification payload; |
| 1967 | |
| 1968 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1969 | rc = (enum cmi_api_result) cpe_deregister_generic( |
| 1970 | cpe_d.cpe_default_handle, reg_handle); |
| 1971 | |
| 1972 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc"); |
| 1973 | list_for_each_entry(n, &cpe_d.cpe_default_handle->client_list, list) { |
| 1974 | if (n->mask & CPE_SVC_CMI_MSG) |
| 1975 | clients++; |
| 1976 | } |
| 1977 | CPE_SVC_REL_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc"); |
| 1978 | |
| 1979 | if (clients == 0) { |
| 1980 | payload.event = CPE_SVC_CMI_CLIENTS_DEREG; |
| 1981 | payload.payload = NULL; |
| 1982 | payload.result = CPE_SVC_SUCCESS; |
| 1983 | cpe_broadcast_notification(cpe_d.cpe_default_handle, &payload); |
| 1984 | } |
| 1985 | |
| 1986 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1987 | return rc; |
| 1988 | } |
| 1989 | |
| 1990 | enum cmi_api_result cmi_send_msg(void *message) |
| 1991 | { |
| 1992 | enum cmi_api_result rc = CMI_API_SUCCESS; |
| 1993 | struct cpe_send_msg *msg = NULL; |
| 1994 | struct cmi_hdr *hdr; |
| 1995 | |
| 1996 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 1997 | hdr = CMI_GET_HEADER(message); |
| 1998 | msg = kzalloc(sizeof(struct cpe_send_msg), |
| 1999 | GFP_ATOMIC); |
| 2000 | if (!msg) { |
| 2001 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 2002 | return CPE_SVC_NO_MEMORY; |
| 2003 | } |
| 2004 | |
| 2005 | if (CMI_HDR_GET_OBM_FLAG(hdr) == CMI_OBM_FLAG_OUT_BAND) |
| 2006 | msg->isobm = 1; |
| 2007 | else |
| 2008 | msg->isobm = 0; |
| 2009 | |
| 2010 | msg->size = sizeof(struct cmi_hdr) + |
| 2011 | CMI_HDR_GET_PAYLOAD_SIZE(hdr); |
| 2012 | |
| 2013 | msg->payload = kzalloc(msg->size, GFP_ATOMIC); |
| 2014 | if (!msg->payload) { |
| 2015 | kfree(msg); |
| 2016 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 2017 | return CPE_SVC_NO_MEMORY; |
| 2018 | } |
| 2019 | |
| 2020 | msg->address = 0; |
| 2021 | memcpy((void *)msg->payload, message, msg->size); |
| 2022 | |
| 2023 | rc = (enum cmi_api_result) cpe_send_cmd_to_thread( |
| 2024 | cpe_d.cpe_default_handle, |
| 2025 | CPE_CMD_SEND_MSG, |
| 2026 | (void *)msg, false); |
| 2027 | |
| 2028 | if (rc != 0) { |
| 2029 | pr_err("%s: Failed to queue message\n", __func__); |
| 2030 | kfree(msg->payload); |
| 2031 | kfree(msg); |
| 2032 | } |
| 2033 | |
| 2034 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 2035 | return rc; |
| 2036 | } |
| 2037 | |
| 2038 | enum cpe_svc_result cpe_svc_ftm_test(void *cpe_handle, u32 *status) |
| 2039 | { |
| 2040 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 2041 | struct cpe_info *t_info = (struct cpe_info *)cpe_handle; |
| 2042 | struct cpe_svc_mem_segment backup_seg; |
| 2043 | struct cpe_svc_mem_segment waiti_seg; |
| 2044 | u8 *backup_data = NULL; |
| 2045 | |
| 2046 | CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 2047 | if (!t_info) |
| 2048 | t_info = cpe_d.cpe_default_handle; |
| 2049 | |
| 2050 | rc = cpe_is_command_valid(t_info, CPE_CMD_FTM_TEST); |
| 2051 | if (rc != CPE_SVC_SUCCESS) { |
| 2052 | pr_err("%s: cmd validation fail, cmd = %d\n", |
| 2053 | __func__, CPE_CMD_FTM_TEST); |
| 2054 | goto fail_cmd; |
| 2055 | } |
| 2056 | |
| 2057 | if (t_info && t_info->tgt) { |
| 2058 | backup_data = kzalloc( |
| 2059 | t_info->tgt->tgt_waiti_info->tgt_waiti_size, |
| 2060 | GFP_KERNEL); |
| 2061 | |
| 2062 | /* CPE reset */ |
| 2063 | rc = t_info->tgt->tgt_reset(); |
| 2064 | if (rc != CPE_SVC_SUCCESS) { |
| 2065 | pr_err("%s: CPE reset fail! err = %d\n", |
| 2066 | __func__, rc); |
| 2067 | goto err_return; |
| 2068 | } |
| 2069 | |
| 2070 | /* Back up the 4 byte IRAM data first */ |
| 2071 | backup_seg.type = CPE_SVC_INSTRUCTION_MEM; |
| 2072 | backup_seg.cpe_addr = |
| 2073 | t_info->tgt->tgt_get_cpe_info()->IRAM_offset; |
| 2074 | backup_seg.size = t_info->tgt->tgt_waiti_info->tgt_waiti_size; |
| 2075 | backup_seg.data = backup_data; |
| 2076 | |
| 2077 | pr_debug("%s: Backing up IRAM data from CPE\n", |
| 2078 | __func__); |
| 2079 | |
| 2080 | rc = t_info->tgt->tgt_read_ram(t_info, &backup_seg); |
| 2081 | if (rc != CPE_SVC_SUCCESS) { |
| 2082 | pr_err("%s: Fail to backup CPE IRAM data, err = %d\n", |
| 2083 | __func__, rc); |
| 2084 | goto err_return; |
| 2085 | } |
| 2086 | |
| 2087 | pr_debug("%s: Complete backing up IRAM data from CPE\n", |
| 2088 | __func__); |
| 2089 | |
| 2090 | /* Write the WAITI instruction data */ |
| 2091 | waiti_seg.type = CPE_SVC_INSTRUCTION_MEM; |
| 2092 | waiti_seg.cpe_addr = |
| 2093 | t_info->tgt->tgt_get_cpe_info()->IRAM_offset; |
| 2094 | waiti_seg.size = t_info->tgt->tgt_waiti_info->tgt_waiti_size; |
| 2095 | waiti_seg.data = t_info->tgt->tgt_waiti_info->tgt_waiti_data; |
| 2096 | |
| 2097 | rc = t_info->tgt->tgt_write_ram(t_info, &waiti_seg); |
| 2098 | if (rc != CPE_SVC_SUCCESS) { |
| 2099 | pr_err("%s: Fail to write the WAITI data, err = %d\n", |
| 2100 | __func__, rc); |
| 2101 | goto restore_iram; |
| 2102 | } |
| 2103 | |
| 2104 | /* Boot up cpe to execute the WAITI instructions */ |
| 2105 | rc = t_info->tgt->tgt_boot(1); |
| 2106 | if (rc != CPE_SVC_SUCCESS) { |
| 2107 | pr_err("%s: Fail to boot CPE, err = %d\n", |
| 2108 | __func__, rc); |
| 2109 | goto reset; |
| 2110 | } |
| 2111 | |
| 2112 | /* |
| 2113 | * 1ms delay is suggested by the hw team to |
| 2114 | * wait for cpe to boot up. |
| 2115 | */ |
| 2116 | usleep_range(1000, 1100); |
| 2117 | |
| 2118 | /* Check if the cpe init is done after executing the WAITI */ |
| 2119 | *status = t_info->tgt->tgt_cpar_init_done(); |
| 2120 | |
| 2121 | reset: |
| 2122 | /* Set the cpe back to reset state */ |
| 2123 | rc = t_info->tgt->tgt_reset(); |
| 2124 | if (rc != CPE_SVC_SUCCESS) { |
| 2125 | pr_err("%s: CPE reset fail! err = %d\n", |
| 2126 | __func__, rc); |
| 2127 | goto restore_iram; |
| 2128 | } |
| 2129 | |
| 2130 | restore_iram: |
| 2131 | /* Restore the IRAM 4 bytes data */ |
| 2132 | rc = t_info->tgt->tgt_write_ram(t_info, &backup_seg); |
| 2133 | if (rc != CPE_SVC_SUCCESS) { |
| 2134 | pr_err("%s: Fail to restore the IRAM data, err = %d\n", |
| 2135 | __func__, rc); |
| 2136 | goto err_return; |
| 2137 | } |
| 2138 | } |
| 2139 | |
| 2140 | err_return: |
| 2141 | kfree(backup_data); |
| 2142 | fail_cmd: |
| 2143 | CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api"); |
| 2144 | return rc; |
| 2145 | } |
| 2146 | |
| 2147 | static enum cpe_svc_result cpe_tgt_tomtom_boot(int debug_mode) |
| 2148 | { |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 2149 | return CPE_SVC_SUCCESS; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2150 | } |
| 2151 | |
| 2152 | static u32 cpe_tgt_tomtom_is_cpar_init_done(void) |
| 2153 | { |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 2154 | return 0; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2155 | } |
| 2156 | |
| 2157 | static u32 cpe_tgt_tomtom_is_active(void) |
| 2158 | { |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 2159 | return 0; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2160 | } |
| 2161 | |
| 2162 | static enum cpe_svc_result cpe_tgt_tomtom_reset(void) |
| 2163 | { |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 2164 | return CPE_SVC_SUCCESS; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2165 | } |
| 2166 | |
| 2167 | enum cpe_svc_result cpe_tgt_tomtom_voicetx(bool enable) |
| 2168 | { |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 2169 | return CPE_SVC_SUCCESS; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2170 | } |
| 2171 | |
| 2172 | enum cpe_svc_result cpe_svc_toggle_lab(void *cpe_handle, bool enable) |
| 2173 | { |
| 2174 | |
| 2175 | struct cpe_info *t_info = (struct cpe_info *)cpe_handle; |
| 2176 | |
| 2177 | if (!t_info) |
| 2178 | t_info = cpe_d.cpe_default_handle; |
| 2179 | |
| 2180 | if (t_info->tgt) |
| 2181 | return t_info->tgt->tgt_voice_tx_lab(enable); |
| 2182 | else |
| 2183 | return CPE_SVC_INVALID_HANDLE; |
| 2184 | } |
| 2185 | |
| 2186 | static enum cpe_svc_result cpe_tgt_tomtom_read_mailbox(u8 *buffer, |
| 2187 | size_t size) |
| 2188 | { |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 2189 | return CPE_SVC_SUCCESS; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2190 | } |
| 2191 | |
| 2192 | static enum cpe_svc_result cpe_tgt_tomtom_write_mailbox(u8 *buffer, |
| 2193 | size_t size) |
| 2194 | { |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 2195 | return CPE_SVC_SUCCESS; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2196 | } |
| 2197 | |
| 2198 | static enum cpe_svc_result cpe_tgt_tomtom_read_RAM(struct cpe_info *t_info, |
| 2199 | struct cpe_svc_mem_segment *mem_seg) |
| 2200 | { |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 2201 | return CPE_SVC_SUCCESS; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2202 | } |
| 2203 | |
| 2204 | static enum cpe_svc_result cpe_tgt_tomtom_write_RAM(struct cpe_info *t_info, |
| 2205 | const struct cpe_svc_mem_segment *mem_seg) |
| 2206 | { |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 2207 | return CPE_SVC_SUCCESS; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2208 | } |
| 2209 | |
| 2210 | static enum cpe_svc_result cpe_tgt_tomtom_route_notification( |
| 2211 | enum cpe_svc_module module, |
| 2212 | enum cpe_svc_route_dest dest) |
| 2213 | { |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 2214 | return CPE_SVC_SUCCESS; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2215 | } |
| 2216 | |
| 2217 | static enum cpe_svc_result cpe_tgt_tomtom_set_debug_mode(u32 enable) |
| 2218 | { |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 2219 | return CPE_SVC_SUCCESS; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2220 | } |
| 2221 | |
| 2222 | static const struct cpe_svc_hw_cfg *cpe_tgt_tomtom_get_cpe_info(void) |
| 2223 | { |
| 2224 | return &cpe_svc_tomtom_info; |
| 2225 | } |
| 2226 | |
| 2227 | static enum cpe_svc_result cpe_tgt_tomtom_deinit( |
| 2228 | struct cpe_svc_tgt_abstraction *param) |
| 2229 | { |
| 2230 | kfree(param->inbox); |
| 2231 | param->inbox = NULL; |
| 2232 | kfree(param->outbox); |
| 2233 | param->outbox = NULL; |
| 2234 | memset(param, 0, sizeof(struct cpe_svc_tgt_abstraction)); |
| 2235 | return CPE_SVC_SUCCESS; |
| 2236 | } |
| 2237 | |
| 2238 | static u8 cpe_tgt_tomtom_waiti_data[] = {0x00, 0x70, 0x00, 0x00}; |
| 2239 | |
| 2240 | static struct cpe_tgt_waiti_info cpe_tgt_tomtom_waiti_info = { |
| 2241 | .tgt_waiti_size = ARRAY_SIZE(cpe_tgt_tomtom_waiti_data), |
| 2242 | .tgt_waiti_data = cpe_tgt_tomtom_waiti_data, |
| 2243 | }; |
| 2244 | |
| 2245 | static enum cpe_svc_result cpe_tgt_tomtom_init( |
| 2246 | struct cpe_svc_codec_info_v1 *codec_info, |
| 2247 | struct cpe_svc_tgt_abstraction *param) |
| 2248 | { |
| 2249 | if (!codec_info) |
| 2250 | return CPE_SVC_INVALID_HANDLE; |
| 2251 | if (!param) |
| 2252 | return CPE_SVC_INVALID_HANDLE; |
| 2253 | |
| 2254 | if (codec_info->id == CPE_SVC_CODEC_TOMTOM) { |
| 2255 | param->tgt_boot = cpe_tgt_tomtom_boot; |
| 2256 | param->tgt_cpar_init_done = cpe_tgt_tomtom_is_cpar_init_done; |
| 2257 | param->tgt_is_active = cpe_tgt_tomtom_is_active; |
| 2258 | param->tgt_reset = cpe_tgt_tomtom_reset; |
| 2259 | param->tgt_read_mailbox = cpe_tgt_tomtom_read_mailbox; |
| 2260 | param->tgt_write_mailbox = cpe_tgt_tomtom_write_mailbox; |
| 2261 | param->tgt_read_ram = cpe_tgt_tomtom_read_RAM; |
| 2262 | param->tgt_write_ram = cpe_tgt_tomtom_write_RAM; |
| 2263 | param->tgt_route_notification = |
| 2264 | cpe_tgt_tomtom_route_notification; |
| 2265 | param->tgt_set_debug_mode = cpe_tgt_tomtom_set_debug_mode; |
| 2266 | param->tgt_get_cpe_info = cpe_tgt_tomtom_get_cpe_info; |
| 2267 | param->tgt_deinit = cpe_tgt_tomtom_deinit; |
| 2268 | param->tgt_voice_tx_lab = cpe_tgt_tomtom_voicetx; |
| 2269 | param->tgt_waiti_info = &cpe_tgt_tomtom_waiti_info; |
| 2270 | |
| 2271 | param->inbox = kzalloc(TOMTOM_A_SVASS_SPE_INBOX_SIZE, |
| 2272 | GFP_KERNEL); |
| 2273 | if (!param->inbox) |
| 2274 | return CPE_SVC_NO_MEMORY; |
| 2275 | |
| 2276 | param->outbox = kzalloc(TOMTOM_A_SVASS_SPE_OUTBOX_SIZE, |
| 2277 | GFP_KERNEL); |
| 2278 | if (!param->outbox) { |
| 2279 | kfree(param->inbox); |
| 2280 | return CPE_SVC_NO_MEMORY; |
| 2281 | } |
| 2282 | } |
| 2283 | |
| 2284 | return CPE_SVC_SUCCESS; |
| 2285 | } |
| 2286 | |
| 2287 | static enum cpe_svc_result cpe_tgt_wcd9335_boot(int debug_mode) |
| 2288 | { |
| 2289 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 2290 | |
| 2291 | if (!debug_mode) |
| 2292 | rc |= cpe_update_bits( |
| 2293 | WCD9335_CPE_SS_WDOG_CFG, |
| 2294 | 0x3f, 0x31); |
| 2295 | else |
| 2296 | pr_info("%s: CPE in debug mode, WDOG disabled\n", |
| 2297 | __func__); |
| 2298 | |
| 2299 | rc |= cpe_register_write(WCD9335_CPE_SS_CPARMAD_BUFRDY_INT_PERIOD, 19); |
| 2300 | rc |= cpe_update_bits(WCD9335_CPE_SS_CPAR_CTL, 0x04, 0x00); |
| 2301 | rc |= cpe_update_bits(WCD9335_CPE_SS_CPAR_CTL, 0x02, 0x02); |
| 2302 | rc |= cpe_update_bits(WCD9335_CPE_SS_CPAR_CTL, 0x01, 0x01); |
| 2303 | |
| 2304 | if (unlikely(rc)) { |
| 2305 | pr_err("%s: Failed to boot, err = %d\n", |
| 2306 | __func__, rc); |
| 2307 | rc = CPE_SVC_FAILED; |
| 2308 | } |
| 2309 | |
| 2310 | return rc; |
| 2311 | } |
| 2312 | |
| 2313 | static u32 cpe_tgt_wcd9335_is_cpar_init_done(void) |
| 2314 | { |
| 2315 | u8 temp = 0; |
| 2316 | |
| 2317 | cpe_register_read(WCD9335_CPE_SS_STATUS, &temp); |
| 2318 | return temp & 0x1; |
| 2319 | } |
| 2320 | |
| 2321 | static u32 cpe_tgt_wcd9335_is_active(void) |
| 2322 | { |
| 2323 | u8 temp = 0; |
| 2324 | |
| 2325 | cpe_register_read(WCD9335_CPE_SS_STATUS, &temp); |
| 2326 | return temp & 0x4; |
| 2327 | } |
| 2328 | |
| 2329 | static enum cpe_svc_result cpe_tgt_wcd9335_reset(void) |
| 2330 | { |
| 2331 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 2332 | |
| 2333 | rc |= cpe_update_bits(WCD9335_CPE_SS_CPAR_CFG, 0x01, 0x00); |
| 2334 | |
| 2335 | rc |= cpe_register_write( |
| 2336 | WCD9335_CODEC_RPM_PWR_CPE_IRAM_SHUTDOWN, 0x00); |
| 2337 | rc |= cpe_register_write( |
| 2338 | WCD9335_CODEC_RPM_PWR_CPE_DRAM1_SHUTDOWN, 0x00); |
| 2339 | rc |= cpe_register_write( |
| 2340 | WCD9335_CODEC_RPM_PWR_CPE_DRAM0_SHUTDOWN_1, 0x00); |
| 2341 | rc |= cpe_register_write( |
| 2342 | WCD9335_CODEC_RPM_PWR_CPE_DRAM0_SHUTDOWN_2, 0x00); |
| 2343 | |
| 2344 | rc |= cpe_update_bits(WCD9335_CPE_SS_CPAR_CTL, 0x04, 0x04); |
| 2345 | |
| 2346 | if (unlikely(rc)) { |
| 2347 | pr_err("%s: failed to reset cpe, err = %d\n", |
| 2348 | __func__, rc); |
| 2349 | rc = CPE_SVC_FAILED; |
| 2350 | } |
| 2351 | |
| 2352 | return rc; |
| 2353 | } |
| 2354 | |
| 2355 | static enum cpe_svc_result cpe_tgt_wcd9335_read_mailbox(u8 *buffer, |
| 2356 | size_t size) |
| 2357 | { |
| 2358 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 2359 | u32 cnt = 0; |
| 2360 | |
| 2361 | pr_debug("%s: size=%zd\n", __func__, size); |
| 2362 | |
| 2363 | if (size > WCD9335_CPE_SS_SPE_OUTBOX_SIZE) |
| 2364 | size = WCD9335_CPE_SS_SPE_OUTBOX_SIZE; |
| 2365 | |
| 2366 | for (cnt = 0; (cnt < size) && (rc == CPE_SVC_SUCCESS); cnt++) |
| 2367 | rc = cpe_register_read(WCD9335_CPE_SS_SPE_OUTBOX1(cnt), |
| 2368 | &buffer[cnt]); |
| 2369 | |
| 2370 | rc = cpe_register_write(WCD9335_CPE_SS_OUTBOX1_ACK, 0x01); |
| 2371 | |
| 2372 | if (unlikely(rc)) { |
| 2373 | pr_err("%s: failed to ACK outbox, err = %d\n", |
| 2374 | __func__, rc); |
| 2375 | rc = CPE_SVC_FAILED; |
| 2376 | } |
| 2377 | |
| 2378 | return rc; |
| 2379 | } |
| 2380 | |
| 2381 | static enum cpe_svc_result cpe_tgt_wcd9335_write_mailbox(u8 *buffer, |
| 2382 | size_t size) |
| 2383 | { |
| 2384 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 2385 | u32 cnt = 0; |
| 2386 | |
| 2387 | pr_debug("%s: size = %zd\n", __func__, size); |
| 2388 | if (size > WCD9335_CPE_SS_SPE_INBOX_SIZE) |
| 2389 | size = WCD9335_CPE_SS_SPE_INBOX_SIZE; |
| 2390 | for (cnt = 0; (cnt < size) && (rc == CPE_SVC_SUCCESS); cnt++) { |
| 2391 | rc |= cpe_register_write(WCD9335_CPE_SS_SPE_INBOX1(cnt), |
| 2392 | buffer[cnt]); |
| 2393 | } |
| 2394 | |
| 2395 | if (unlikely(rc)) { |
| 2396 | pr_err("%s: Error %d writing mailbox registers\n", |
| 2397 | __func__, rc); |
| 2398 | return rc; |
| 2399 | } |
| 2400 | |
| 2401 | rc = cpe_register_write(WCD9335_CPE_SS_INBOX1_TRG, 1); |
| 2402 | return rc; |
| 2403 | } |
| 2404 | |
| 2405 | static enum cpe_svc_result cpe_wcd9335_get_mem_addr(struct cpe_info *t_info, |
| 2406 | const struct cpe_svc_mem_segment *mem_seg, |
| 2407 | u32 *addr, u8 *mem) |
| 2408 | { |
| 2409 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 2410 | u32 offset, mem_sz, address; |
| 2411 | u8 mem_type; |
| 2412 | |
| 2413 | switch (mem_seg->type) { |
| 2414 | case CPE_SVC_DATA_MEM: |
| 2415 | mem_type = MEM_ACCESS_DRAM_VAL; |
| 2416 | offset = WCD9335_CPE_SS_SPE_DRAM_OFFSET; |
| 2417 | mem_sz = WCD9335_CPE_SS_SPE_DRAM_SIZE; |
| 2418 | break; |
| 2419 | |
| 2420 | case CPE_SVC_INSTRUCTION_MEM: |
| 2421 | mem_type = MEM_ACCESS_IRAM_VAL; |
| 2422 | offset = WCD9335_CPE_SS_SPE_IRAM_OFFSET; |
| 2423 | mem_sz = WCD9335_CPE_SS_SPE_IRAM_SIZE; |
| 2424 | break; |
| 2425 | |
| 2426 | default: |
| 2427 | pr_err("%s: Invalid mem type = %u\n", |
| 2428 | __func__, mem_seg->type); |
| 2429 | return CPE_SVC_INVALID_HANDLE; |
| 2430 | } |
| 2431 | |
| 2432 | if (mem_seg->cpe_addr < offset) { |
| 2433 | pr_err("%s: Invalid addr %x for mem type %u\n", |
| 2434 | __func__, mem_seg->cpe_addr, mem_type); |
| 2435 | return CPE_SVC_INVALID_HANDLE; |
| 2436 | } |
| 2437 | |
| 2438 | address = mem_seg->cpe_addr - offset; |
| 2439 | if (address + mem_seg->size > mem_sz) { |
| 2440 | pr_err("%s: wrong size %zu, start address %x, mem_type %u\n", |
| 2441 | __func__, mem_seg->size, address, mem_type); |
| 2442 | return CPE_SVC_INVALID_HANDLE; |
| 2443 | } |
| 2444 | |
| 2445 | (*addr) = address; |
| 2446 | (*mem) = mem_type; |
| 2447 | |
| 2448 | return rc; |
| 2449 | } |
| 2450 | |
| 2451 | static enum cpe_svc_result cpe_tgt_wcd9335_read_RAM(struct cpe_info *t_info, |
| 2452 | struct cpe_svc_mem_segment *mem_seg) |
| 2453 | { |
| 2454 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 2455 | u8 temp = 0; |
| 2456 | u32 cnt = 0; |
| 2457 | u8 mem = 0x0; |
| 2458 | u32 addr = 0; |
| 2459 | u32 lastaddr = 0; |
| 2460 | u32 ptr_update = true; |
| 2461 | bool autoinc; |
| 2462 | |
| 2463 | if (!mem_seg) { |
| 2464 | pr_err("%s: Invalid buffer\n", __func__); |
| 2465 | return CPE_SVC_INVALID_HANDLE; |
| 2466 | } |
| 2467 | |
| 2468 | rc = cpe_wcd9335_get_mem_addr(t_info, mem_seg, &addr, &mem); |
| 2469 | |
| 2470 | if (rc != CPE_SVC_SUCCESS) { |
| 2471 | pr_err("%s: Cannot obtain address, mem_type %u\n", |
| 2472 | __func__, mem_seg->type); |
| 2473 | return rc; |
| 2474 | } |
| 2475 | |
| 2476 | rc |= cpe_register_write(WCD9335_CPE_SS_MEM_CTRL, 0); |
| 2477 | autoinc = cpe_register_read_autoinc_supported(); |
| 2478 | |
| 2479 | if (autoinc) |
| 2480 | temp = 0x18; |
| 2481 | else |
| 2482 | temp = 0x10; |
| 2483 | |
| 2484 | temp |= mem; |
| 2485 | |
| 2486 | lastaddr = ~addr; |
| 2487 | do { |
| 2488 | if (!autoinc || (ptr_update)) { |
| 2489 | /* write LSB only if modified */ |
| 2490 | if ((lastaddr & 0xFF) != (addr & 0xFF)) |
| 2491 | rc |= cpe_register_write( |
| 2492 | WCD9335_CPE_SS_MEM_PTR_0, |
| 2493 | (addr & 0xFF)); |
| 2494 | /* write middle byte only if modified */ |
| 2495 | if (((lastaddr >> 8) & 0xFF) != ((addr >> 8) & 0xFF)) |
| 2496 | rc |= cpe_register_write( |
| 2497 | WCD9335_CPE_SS_MEM_PTR_1, |
| 2498 | ((addr>>8) & 0xFF)); |
| 2499 | /* write MSB only if modified */ |
| 2500 | if (((lastaddr >> 16) & 0xFF) != ((addr >> 16) & 0xFF)) |
| 2501 | rc |= cpe_register_write( |
| 2502 | WCD9335_CPE_SS_MEM_PTR_2, |
| 2503 | ((addr>>16) & 0xFF)); |
| 2504 | |
| 2505 | rc |= cpe_register_write(WCD9335_CPE_SS_MEM_CTRL, temp); |
| 2506 | lastaddr = addr; |
| 2507 | addr++; |
| 2508 | ptr_update = false; |
| 2509 | } |
| 2510 | |
| 2511 | rc |= cpe_register_read(WCD9335_CPE_SS_MEM_BANK_0, |
| 2512 | &mem_seg->data[cnt]); |
| 2513 | |
| 2514 | if (!autoinc) |
| 2515 | rc |= cpe_register_write(WCD9335_CPE_SS_MEM_CTRL, 0); |
| 2516 | } while ((++cnt < mem_seg->size) || |
| 2517 | (rc != CPE_SVC_SUCCESS)); |
| 2518 | |
| 2519 | rc |= cpe_register_write(WCD9335_CPE_SS_MEM_CTRL, 0); |
| 2520 | |
| 2521 | if (rc) |
| 2522 | pr_err("%s: Failed to read registers, err = %d\n", |
| 2523 | __func__, rc); |
| 2524 | |
| 2525 | return rc; |
| 2526 | } |
| 2527 | |
| 2528 | static enum cpe_svc_result cpe_tgt_wcd9335_write_RAM(struct cpe_info *t_info, |
| 2529 | const struct cpe_svc_mem_segment *mem_seg) |
| 2530 | { |
| 2531 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 2532 | u8 mem_reg_val = 0; |
| 2533 | u8 mem = MEM_ACCESS_NONE_VAL; |
| 2534 | u32 addr = 0; |
| 2535 | u8 *temp_ptr = NULL; |
| 2536 | u32 temp_size = 0; |
| 2537 | bool autoinc; |
| 2538 | |
| 2539 | if (!mem_seg) { |
| 2540 | pr_err("%s: Invalid mem segment\n", |
| 2541 | __func__); |
| 2542 | return CPE_SVC_INVALID_HANDLE; |
| 2543 | } |
| 2544 | |
| 2545 | rc = cpe_wcd9335_get_mem_addr(t_info, mem_seg, &addr, &mem); |
| 2546 | |
| 2547 | if (rc != CPE_SVC_SUCCESS) { |
| 2548 | pr_err("%s: Cannot obtain address, mem_type %u\n", |
| 2549 | __func__, mem_seg->type); |
| 2550 | return rc; |
| 2551 | } |
| 2552 | |
| 2553 | autoinc = cpe_register_read_autoinc_supported(); |
| 2554 | if (autoinc) |
| 2555 | mem_reg_val = 0x18; |
| 2556 | else |
| 2557 | mem_reg_val = 0x10; |
| 2558 | |
| 2559 | mem_reg_val |= mem; |
| 2560 | |
| 2561 | rc = cpe_update_bits(WCD9335_CPE_SS_MEM_CTRL, |
| 2562 | 0x0F, mem_reg_val); |
| 2563 | |
| 2564 | rc = cpe_register_write(WCD9335_CPE_SS_MEM_PTR_0, |
| 2565 | (addr & 0xFF)); |
| 2566 | rc = cpe_register_write(WCD9335_CPE_SS_MEM_PTR_1, |
| 2567 | ((addr >> 8) & 0xFF)); |
| 2568 | |
| 2569 | rc = cpe_register_write(WCD9335_CPE_SS_MEM_PTR_2, |
| 2570 | ((addr >> 16) & 0xFF)); |
| 2571 | |
| 2572 | temp_size = 0; |
| 2573 | temp_ptr = mem_seg->data; |
| 2574 | |
| 2575 | while (temp_size <= mem_seg->size) { |
| 2576 | u32 to_write = (mem_seg->size >= temp_size+CHUNK_SIZE) |
| 2577 | ? CHUNK_SIZE : (mem_seg->size - temp_size); |
| 2578 | |
| 2579 | if (t_info->state == CPE_STATE_OFFLINE) { |
| 2580 | pr_err("%s: CPE is offline\n", __func__); |
| 2581 | return CPE_SVC_FAILED; |
| 2582 | } |
| 2583 | |
| 2584 | cpe_register_write_repeat(WCD9335_CPE_SS_MEM_BANK_0, |
| 2585 | temp_ptr, to_write); |
| 2586 | temp_size += CHUNK_SIZE; |
| 2587 | temp_ptr += CHUNK_SIZE; |
| 2588 | } |
| 2589 | |
| 2590 | rc = cpe_register_write(WCD9335_CPE_SS_MEM_CTRL, 0); |
| 2591 | |
| 2592 | if (rc) |
| 2593 | pr_err("%s: Failed to write registers, err = %d\n", |
| 2594 | __func__, rc); |
| 2595 | return rc; |
| 2596 | } |
| 2597 | |
| 2598 | static enum cpe_svc_result cpe_tgt_wcd9335_route_notification( |
| 2599 | enum cpe_svc_module module, |
| 2600 | enum cpe_svc_route_dest dest) |
| 2601 | { |
| 2602 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 2603 | |
| 2604 | pr_debug("%s: Module = %d, Destination = %d\n", |
| 2605 | __func__, module, dest); |
| 2606 | |
| 2607 | switch (module) { |
| 2608 | case CPE_SVC_LISTEN_PROC: |
| 2609 | switch (dest) { |
| 2610 | case CPE_SVC_EXTERNAL: |
| 2611 | rc = cpe_update_bits(WCD9335_CPE_SS_CFG, 0x01, 0x01); |
| 2612 | break; |
| 2613 | case CPE_SVC_INTERNAL: |
| 2614 | rc = cpe_update_bits(WCD9335_CPE_SS_CFG, 0x01, 0x00); |
| 2615 | break; |
| 2616 | default: |
| 2617 | pr_err("%s: Invalid destination %d\n", |
| 2618 | __func__, dest); |
| 2619 | return CPE_SVC_FAILED; |
| 2620 | } |
| 2621 | break; |
| 2622 | default: |
| 2623 | pr_err("%s: Invalid module %d\n", |
| 2624 | __func__, module); |
| 2625 | rc = CPE_SVC_FAILED; |
| 2626 | break; |
| 2627 | } |
| 2628 | return rc; |
| 2629 | } |
| 2630 | |
| 2631 | static enum cpe_svc_result cpe_tgt_wcd9335_set_debug_mode(u32 enable) |
| 2632 | { |
| 2633 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 2634 | |
| 2635 | pr_debug("%s: enable = %s\n", __func__, |
| 2636 | (enable) ? "true" : "false"); |
| 2637 | |
| 2638 | return rc; |
| 2639 | } |
| 2640 | |
| 2641 | static const struct cpe_svc_hw_cfg *cpe_tgt_wcd9335_get_cpe_info(void) |
| 2642 | { |
| 2643 | return &cpe_svc_wcd9335_info; |
| 2644 | } |
| 2645 | |
| 2646 | static enum cpe_svc_result |
| 2647 | cpe_tgt_wcd9335_deinit(struct cpe_svc_tgt_abstraction *param) |
| 2648 | { |
| 2649 | kfree(param->inbox); |
| 2650 | param->inbox = NULL; |
| 2651 | kfree(param->outbox); |
| 2652 | param->outbox = NULL; |
| 2653 | memset(param, 0, sizeof(struct cpe_svc_tgt_abstraction)); |
| 2654 | |
| 2655 | return CPE_SVC_SUCCESS; |
| 2656 | } |
| 2657 | |
| 2658 | static enum cpe_svc_result |
| 2659 | cpe_tgt_wcd9335_voicetx(bool enable) |
| 2660 | { |
| 2661 | enum cpe_svc_result rc = CPE_SVC_SUCCESS; |
| 2662 | u8 val = 0; |
| 2663 | |
| 2664 | pr_debug("%s: enable = %u\n", __func__, enable); |
| 2665 | if (enable) |
| 2666 | val = 0x02; |
| 2667 | else |
| 2668 | val = 0x00; |
| 2669 | |
| 2670 | rc = cpe_update_bits(WCD9335_CPE_SS_CFG, 0x02, val); |
| 2671 | val = 0; |
| 2672 | cpe_register_read(WCD9335_CPE_SS_CFG, &val); |
| 2673 | |
| 2674 | return rc; |
| 2675 | } |
| 2676 | |
| 2677 | static u8 cpe_tgt_wcd9335_waiti_data[] = {0x00, 0x70, 0x00, 0x00}; |
| 2678 | |
| 2679 | static struct cpe_tgt_waiti_info cpe_tgt_wcd9335_waiti_info = { |
| 2680 | .tgt_waiti_size = ARRAY_SIZE(cpe_tgt_wcd9335_waiti_data), |
| 2681 | .tgt_waiti_data = cpe_tgt_wcd9335_waiti_data, |
| 2682 | }; |
| 2683 | |
| 2684 | static enum cpe_svc_result cpe_tgt_wcd9335_init( |
| 2685 | struct cpe_svc_codec_info_v1 *codec_info, |
| 2686 | struct cpe_svc_tgt_abstraction *param) |
| 2687 | { |
| 2688 | if (!codec_info) |
| 2689 | return CPE_SVC_INVALID_HANDLE; |
| 2690 | if (!param) |
| 2691 | return CPE_SVC_INVALID_HANDLE; |
| 2692 | |
| 2693 | if (codec_info->id == CPE_SVC_CODEC_WCD9335) { |
| 2694 | param->tgt_boot = cpe_tgt_wcd9335_boot; |
| 2695 | param->tgt_cpar_init_done = cpe_tgt_wcd9335_is_cpar_init_done; |
| 2696 | param->tgt_is_active = cpe_tgt_wcd9335_is_active; |
| 2697 | param->tgt_reset = cpe_tgt_wcd9335_reset; |
| 2698 | param->tgt_read_mailbox = cpe_tgt_wcd9335_read_mailbox; |
| 2699 | param->tgt_write_mailbox = cpe_tgt_wcd9335_write_mailbox; |
| 2700 | param->tgt_read_ram = cpe_tgt_wcd9335_read_RAM; |
| 2701 | param->tgt_write_ram = cpe_tgt_wcd9335_write_RAM; |
| 2702 | param->tgt_route_notification = |
| 2703 | cpe_tgt_wcd9335_route_notification; |
| 2704 | param->tgt_set_debug_mode = cpe_tgt_wcd9335_set_debug_mode; |
| 2705 | param->tgt_get_cpe_info = cpe_tgt_wcd9335_get_cpe_info; |
| 2706 | param->tgt_deinit = cpe_tgt_wcd9335_deinit; |
| 2707 | param->tgt_voice_tx_lab = cpe_tgt_wcd9335_voicetx; |
| 2708 | param->tgt_waiti_info = &cpe_tgt_wcd9335_waiti_info; |
| 2709 | |
| 2710 | param->inbox = kzalloc(WCD9335_CPE_SS_SPE_INBOX_SIZE, |
| 2711 | GFP_KERNEL); |
| 2712 | if (!param->inbox) |
| 2713 | return CPE_SVC_NO_MEMORY; |
| 2714 | |
| 2715 | param->outbox = kzalloc(WCD9335_CPE_SS_SPE_OUTBOX_SIZE, |
| 2716 | GFP_KERNEL); |
| 2717 | if (!param->outbox) { |
| 2718 | kfree(param->inbox); |
| 2719 | return CPE_SVC_NO_MEMORY; |
| 2720 | } |
| 2721 | } |
| 2722 | |
| 2723 | return CPE_SVC_SUCCESS; |
| 2724 | } |
| 2725 | |
| 2726 | MODULE_DESCRIPTION("WCD CPE Services"); |
| 2727 | MODULE_LICENSE("GPL v2"); |