Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame^] | 1 | /* Copyright (c) 2014-2017, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/firmware.h> |
| 15 | #include <linux/device.h> |
| 16 | #include <linux/slab.h> |
| 17 | #include <linux/elf.h> |
| 18 | #include <linux/wait.h> |
| 19 | #include <linux/debugfs.h> |
| 20 | #include <linux/delay.h> |
| 21 | #include <linux/pm_qos.h> |
| 22 | #include <linux/dma-mapping.h> |
| 23 | #include <sound/soc.h> |
| 24 | #include <sound/info.h> |
| 25 | #include <sound/lsm_params.h> |
| 26 | #include <sound/cpe_core.h> |
| 27 | #include <sound/cpe_cmi.h> |
| 28 | #include <sound/cpe_err.h> |
| 29 | #include <soc/qcom/pm.h> |
| 30 | #include <linux/mfd/wcd9xxx/core.h> |
| 31 | #include <linux/mfd/wcd9xxx/wcd9xxx-irq.h> |
| 32 | #include <sound/audio_cal_utils.h> |
| 33 | #include "wcd_cpe_core.h" |
| 34 | #include "wcd_cpe_services.h" |
| 35 | #include "wcd_cmi_api.h" |
| 36 | |
| 37 | #define CMI_CMD_TIMEOUT (10 * HZ) |
| 38 | #define WCD_CPE_LSM_MAX_SESSIONS 2 |
| 39 | #define WCD_CPE_AFE_MAX_PORTS 4 |
| 40 | #define AFE_SVC_EXPLICIT_PORT_START 1 |
| 41 | #define WCD_CPE_EC_PP_BUF_SIZE 480 /* 5 msec buffer */ |
| 42 | |
| 43 | #define ELF_FLAG_EXECUTE (1 << 0) |
| 44 | #define ELF_FLAG_WRITE (1 << 1) |
| 45 | #define ELF_FLAG_READ (1 << 2) |
| 46 | |
| 47 | #define ELF_FLAG_RW (ELF_FLAG_READ | ELF_FLAG_WRITE) |
| 48 | |
| 49 | #define WCD_CPE_GRAB_LOCK(lock, name) \ |
| 50 | { \ |
| 51 | pr_debug("%s: %s lock acquire\n", \ |
| 52 | __func__, name); \ |
| 53 | mutex_lock(lock); \ |
| 54 | } |
| 55 | |
| 56 | #define WCD_CPE_REL_LOCK(lock, name) \ |
| 57 | { \ |
| 58 | pr_debug("%s: %s lock release\n", \ |
| 59 | __func__, name); \ |
| 60 | mutex_unlock(lock); \ |
| 61 | } |
| 62 | |
| 63 | #define WCD_CPE_STATE_MAX_LEN 11 |
| 64 | #define CPE_OFFLINE_WAIT_TIMEOUT (2 * HZ) |
| 65 | #define CPE_READY_WAIT_TIMEOUT (3 * HZ) |
| 66 | #define WCD_CPE_SYSFS_DIR_MAX_LENGTH 32 |
| 67 | |
| 68 | #define CPE_ERR_IRQ_CB(core) \ |
| 69 | (core->cpe_cdc_cb->cpe_err_irq_control) |
| 70 | |
| 71 | /* |
| 72 | * AFE output buffer size is always |
| 73 | * (sample_rate * number of bytes per sample/2*1000) |
| 74 | */ |
| 75 | #define AFE_OUT_BUF_SIZE(bit_width, sample_rate) \ |
| 76 | (((sample_rate) * (bit_width / BITS_PER_BYTE))/(2*1000)) |
| 77 | |
| 78 | enum afe_port_state { |
| 79 | AFE_PORT_STATE_DEINIT = 0, |
| 80 | AFE_PORT_STATE_INIT, |
| 81 | AFE_PORT_STATE_CONFIG, |
| 82 | AFE_PORT_STATE_STARTED, |
| 83 | AFE_PORT_STATE_SUSPENDED, |
| 84 | }; |
| 85 | |
| 86 | struct wcd_cmi_afe_port_data { |
| 87 | u8 port_id; |
| 88 | struct mutex afe_lock; |
| 89 | struct completion afe_cmd_complete; |
| 90 | enum afe_port_state port_state; |
| 91 | u8 cmd_result; |
| 92 | u32 mem_handle; |
| 93 | }; |
| 94 | |
| 95 | struct cpe_lsm_ids { |
| 96 | u32 module_id; |
| 97 | u32 param_id; |
| 98 | }; |
| 99 | |
| 100 | static struct wcd_cpe_core *core_d; |
| 101 | static struct cpe_lsm_session |
| 102 | *lsm_sessions[WCD_CPE_LSM_MAX_SESSIONS + 1]; |
| 103 | struct wcd_cpe_core * (*wcd_get_cpe_core)(struct snd_soc_codec *); |
| 104 | static struct wcd_cmi_afe_port_data afe_ports[WCD_CPE_AFE_MAX_PORTS + 1]; |
| 105 | static void wcd_cpe_svc_event_cb(const struct cpe_svc_notification *param); |
| 106 | static int wcd_cpe_setup_irqs(struct wcd_cpe_core *core); |
| 107 | static void wcd_cpe_cleanup_irqs(struct wcd_cpe_core *core); |
| 108 | static ssize_t cpe_ftm_test_trigger(struct file *file, |
| 109 | const char __user *user_buf, |
| 110 | size_t count, loff_t *ppos); |
| 111 | static u32 ramdump_enable; |
| 112 | static u32 cpe_ftm_test_status; |
| 113 | static const struct file_operations cpe_ftm_test_trigger_fops = { |
| 114 | .open = simple_open, |
| 115 | .write = cpe_ftm_test_trigger, |
| 116 | }; |
| 117 | |
| 118 | static int wcd_cpe_afe_svc_cmd_mode(void *core_handle, |
| 119 | u8 mode); |
| 120 | struct wcd_cpe_attribute { |
| 121 | struct attribute attr; |
| 122 | ssize_t (*show)(struct wcd_cpe_core *core, char *buf); |
| 123 | ssize_t (*store)(struct wcd_cpe_core *core, const char *buf, |
| 124 | ssize_t count); |
| 125 | }; |
| 126 | |
| 127 | #define WCD_CPE_ATTR(_name, _mode, _show, _store) \ |
| 128 | static struct wcd_cpe_attribute cpe_attr_##_name = { \ |
| 129 | .attr = {.name = __stringify(_name), .mode = _mode}, \ |
| 130 | .show = _show, \ |
| 131 | .store = _store, \ |
| 132 | } |
| 133 | |
| 134 | #define to_wcd_cpe_attr(a) \ |
| 135 | container_of((a), struct wcd_cpe_attribute, attr) |
| 136 | |
| 137 | #define kobj_to_cpe_core(kobj) \ |
| 138 | container_of((kobj), struct wcd_cpe_core, cpe_kobj) |
| 139 | |
| 140 | /* wcd_cpe_lsm_session_active: check if any session is active |
| 141 | * return true if any session is active. |
| 142 | */ |
| 143 | static bool wcd_cpe_lsm_session_active(void) |
| 144 | { |
| 145 | int index = 1; |
| 146 | bool lsm_active = false; |
| 147 | |
| 148 | /* session starts from index 1 */ |
| 149 | for (; index <= WCD_CPE_LSM_MAX_SESSIONS; index++) { |
| 150 | if (lsm_sessions[index] != NULL) { |
| 151 | lsm_active = true; |
| 152 | break; |
| 153 | } else { |
| 154 | lsm_active = false; |
| 155 | } |
| 156 | } |
| 157 | return lsm_active; |
| 158 | } |
| 159 | |
| 160 | static int wcd_cpe_get_sfr_dump(struct wcd_cpe_core *core) |
| 161 | { |
| 162 | struct cpe_svc_mem_segment dump_seg; |
| 163 | int rc; |
| 164 | u8 *sfr_dump; |
| 165 | |
| 166 | sfr_dump = kzalloc(core->sfr_buf_size, GFP_KERNEL); |
| 167 | if (!sfr_dump) |
| 168 | goto done; |
| 169 | |
| 170 | dump_seg.type = CPE_SVC_DATA_MEM; |
| 171 | dump_seg.cpe_addr = core->sfr_buf_addr; |
| 172 | dump_seg.size = core->sfr_buf_size; |
| 173 | dump_seg.data = sfr_dump; |
| 174 | dev_dbg(core->dev, |
| 175 | "%s: reading SFR from CPE, size = %zu\n", |
| 176 | __func__, core->sfr_buf_size); |
| 177 | |
| 178 | rc = cpe_svc_ramdump(core->cpe_handle, &dump_seg); |
| 179 | if (rc < 0) { |
| 180 | dev_err(core->dev, |
| 181 | "%s: Failed to read cpe sfr_dump, err = %d\n", |
| 182 | __func__, rc); |
| 183 | goto free_sfr_dump; |
| 184 | } |
| 185 | |
| 186 | dev_info(core->dev, |
| 187 | "%s: cpe_sfr = %s\n", __func__, sfr_dump); |
| 188 | |
| 189 | free_sfr_dump: |
| 190 | kfree(sfr_dump); |
| 191 | done: |
| 192 | /* Even if SFR dump failed, do not return error */ |
| 193 | return 0; |
| 194 | } |
| 195 | |
| 196 | static int wcd_cpe_collect_ramdump(struct wcd_cpe_core *core) |
| 197 | { |
| 198 | struct cpe_svc_mem_segment dump_seg; |
| 199 | int rc; |
| 200 | |
| 201 | if (!core->cpe_ramdump_dev || !core->cpe_dump_v_addr || |
| 202 | core->hw_info.dram_size == 0) { |
| 203 | dev_err(core->dev, |
| 204 | "%s: Ramdump devices not set up, size = %zu\n", |
| 205 | __func__, core->hw_info.dram_size); |
| 206 | return -EINVAL; |
| 207 | } |
| 208 | |
| 209 | dump_seg.type = CPE_SVC_DATA_MEM; |
| 210 | dump_seg.cpe_addr = core->hw_info.dram_offset; |
| 211 | dump_seg.size = core->hw_info.dram_size; |
| 212 | dump_seg.data = core->cpe_dump_v_addr; |
| 213 | |
| 214 | dev_dbg(core->dev, |
| 215 | "%s: Reading ramdump from CPE\n", |
| 216 | __func__); |
| 217 | |
| 218 | rc = cpe_svc_ramdump(core->cpe_handle, &dump_seg); |
| 219 | if (rc < 0) { |
| 220 | dev_err(core->dev, |
| 221 | "%s: Failed to read CPE ramdump, err = %d\n", |
| 222 | __func__, rc); |
| 223 | return rc; |
| 224 | } |
| 225 | |
| 226 | dev_dbg(core->dev, |
| 227 | "%s: completed reading ramdump from CPE\n", |
| 228 | __func__); |
| 229 | |
| 230 | core->cpe_ramdump_seg.address = (unsigned long) core->cpe_dump_addr; |
| 231 | core->cpe_ramdump_seg.size = core->hw_info.dram_size; |
| 232 | core->cpe_ramdump_seg.v_address = core->cpe_dump_v_addr; |
| 233 | |
| 234 | rc = do_ramdump(core->cpe_ramdump_dev, |
| 235 | &core->cpe_ramdump_seg, 1); |
| 236 | if (rc) |
| 237 | dev_err(core->dev, |
| 238 | "%s: fail to dump cpe ram to device, err = %d\n", |
| 239 | __func__, rc); |
| 240 | return rc; |
| 241 | } |
| 242 | |
| 243 | /* wcd_cpe_is_valid_elf_hdr: check if the ELF header is valid |
| 244 | * @core: handle to wcd_cpe_core |
| 245 | * @fw_size: size of firmware from request_firmware |
| 246 | * @ehdr: the elf header to be checked for |
| 247 | * return true if all checks pass, true if any elf check fails |
| 248 | */ |
| 249 | static bool wcd_cpe_is_valid_elf_hdr(struct wcd_cpe_core *core, size_t fw_size, |
| 250 | const struct elf32_hdr *ehdr) |
| 251 | { |
| 252 | if (fw_size < sizeof(*ehdr)) { |
| 253 | dev_err(core->dev, "%s:Firmware too small\n", __func__); |
| 254 | goto elf_check_fail; |
| 255 | } |
| 256 | |
| 257 | if (memcmp(ehdr->e_ident, ELFMAG, SELFMAG) != 0) { |
| 258 | dev_err(core->dev, "%s: Not an ELF file\n", __func__); |
| 259 | goto elf_check_fail; |
| 260 | } |
| 261 | |
| 262 | if (ehdr->e_type != ET_EXEC && ehdr->e_type != ET_DYN) { |
| 263 | dev_err(core->dev, "%s: Not a executable image\n", __func__); |
| 264 | goto elf_check_fail; |
| 265 | } |
| 266 | |
| 267 | if (ehdr->e_phnum == 0) { |
| 268 | dev_err(core->dev, "%s: no segments to load\n", __func__); |
| 269 | goto elf_check_fail; |
| 270 | } |
| 271 | |
| 272 | if (sizeof(struct elf32_phdr) * ehdr->e_phnum + |
| 273 | sizeof(struct elf32_hdr) > fw_size) { |
| 274 | dev_err(core->dev, "%s: Too small MDT file\n", __func__); |
| 275 | goto elf_check_fail; |
| 276 | } |
| 277 | |
| 278 | return true; |
| 279 | |
| 280 | elf_check_fail: |
| 281 | return false; |
| 282 | } |
| 283 | |
| 284 | /* |
| 285 | * wcd_cpe_load_each_segment: download segment to CPE |
| 286 | * @core: handle to struct wcd_cpe_core |
| 287 | * @file_idx: index of split firmware image file name |
| 288 | * @phdr: program header from metadata |
| 289 | */ |
| 290 | static int wcd_cpe_load_each_segment(struct wcd_cpe_core *core, |
| 291 | int file_idx, const struct elf32_phdr *phdr) |
| 292 | { |
| 293 | const struct firmware *split_fw; |
| 294 | char split_fname[32]; |
| 295 | int ret = 0; |
| 296 | struct cpe_svc_mem_segment *segment; |
| 297 | |
| 298 | if (!core || !phdr) { |
| 299 | pr_err("%s: Invalid params\n", __func__); |
| 300 | return -EINVAL; |
| 301 | } |
| 302 | |
| 303 | /* file size can be 0 for bss segments */ |
| 304 | if (phdr->p_filesz == 0 || phdr->p_memsz == 0) |
| 305 | return 0; |
| 306 | |
| 307 | segment = kzalloc(sizeof(struct cpe_svc_mem_segment), GFP_KERNEL); |
| 308 | if (!segment) |
| 309 | return -ENOMEM; |
| 310 | |
| 311 | snprintf(split_fname, sizeof(split_fname), "%s.b%02d", |
| 312 | core->fname, file_idx); |
| 313 | |
| 314 | ret = request_firmware(&split_fw, split_fname, core->dev); |
| 315 | if (ret) { |
| 316 | dev_err(core->dev, "firmware %s not found\n", |
| 317 | split_fname); |
| 318 | ret = -EIO; |
| 319 | goto fw_req_fail; |
| 320 | } |
| 321 | |
| 322 | if (phdr->p_flags & ELF_FLAG_EXECUTE) |
| 323 | segment->type = CPE_SVC_INSTRUCTION_MEM; |
| 324 | else if (phdr->p_flags & ELF_FLAG_RW) |
| 325 | segment->type = CPE_SVC_DATA_MEM; |
| 326 | else { |
| 327 | dev_err(core->dev, "%s invalid flags 0x%x\n", |
| 328 | __func__, phdr->p_flags); |
| 329 | goto done; |
| 330 | } |
| 331 | |
| 332 | segment->cpe_addr = phdr->p_paddr; |
| 333 | segment->size = phdr->p_filesz; |
| 334 | segment->data = (u8 *) split_fw->data; |
| 335 | |
| 336 | dev_dbg(core->dev, |
| 337 | "%s: cpe segment type %s read from firmware\n", __func__, |
| 338 | (segment->type == CPE_SVC_INSTRUCTION_MEM) ? |
| 339 | "INSTRUCTION" : "DATA"); |
| 340 | |
| 341 | ret = cpe_svc_download_segment(core->cpe_handle, segment); |
| 342 | if (ret) { |
| 343 | dev_err(core->dev, |
| 344 | "%s: Failed to download %s, error = %d\n", |
| 345 | __func__, split_fname, ret); |
| 346 | goto done; |
| 347 | } |
| 348 | |
| 349 | done: |
| 350 | release_firmware(split_fw); |
| 351 | |
| 352 | fw_req_fail: |
| 353 | kfree(segment); |
| 354 | return ret; |
| 355 | } |
| 356 | |
| 357 | /* |
| 358 | * wcd_cpe_enable_cpe_clks: enable the clocks for CPE |
| 359 | * @core: handle to wcd_cpe_core |
| 360 | * @enable: flag indicating whether to enable/disable cpe clocks |
| 361 | */ |
| 362 | static int wcd_cpe_enable_cpe_clks(struct wcd_cpe_core *core, bool enable) |
| 363 | { |
| 364 | int ret, ret1; |
| 365 | |
| 366 | if (!core || !core->cpe_cdc_cb || |
| 367 | !core->cpe_cdc_cb->cpe_clk_en) { |
| 368 | pr_err("%s: invalid handle\n", |
| 369 | __func__); |
| 370 | return -EINVAL; |
| 371 | } |
| 372 | |
| 373 | ret = core->cpe_cdc_cb->cdc_clk_en(core->codec, enable); |
| 374 | if (ret) { |
| 375 | dev_err(core->dev, "%s: Failed to enable RCO\n", |
| 376 | __func__); |
| 377 | return ret; |
| 378 | } |
| 379 | |
| 380 | if (!enable && core->cpe_clk_ref > 0) |
| 381 | core->cpe_clk_ref--; |
| 382 | |
| 383 | /* |
| 384 | * CPE clk will be enabled at the first time |
| 385 | * and be disabled at the last time. |
| 386 | */ |
| 387 | if (core->cpe_clk_ref == 0) { |
| 388 | ret = core->cpe_cdc_cb->cpe_clk_en(core->codec, enable); |
| 389 | if (ret) { |
| 390 | dev_err(core->dev, |
| 391 | "%s: cpe_clk_en() failed, err = %d\n", |
| 392 | __func__, ret); |
| 393 | goto cpe_clk_fail; |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | if (enable) |
| 398 | core->cpe_clk_ref++; |
| 399 | |
| 400 | return 0; |
| 401 | |
| 402 | cpe_clk_fail: |
| 403 | /* Release the codec clk if CPE clk enable failed */ |
| 404 | if (enable) { |
| 405 | ret1 = core->cpe_cdc_cb->cdc_clk_en(core->codec, !enable); |
| 406 | if (ret1) |
| 407 | dev_err(core->dev, |
| 408 | "%s: Fail to release codec clk, err = %d\n", |
| 409 | __func__, ret1); |
| 410 | } |
| 411 | |
| 412 | return ret; |
| 413 | } |
| 414 | |
| 415 | /* |
| 416 | * wcd_cpe_bus_vote_max_bw: Function to vote for max bandwidth on codec bus |
| 417 | * @core: handle to core for cpe |
| 418 | * @vote: flag to indicate enable/disable of vote |
| 419 | * |
| 420 | * This function will try to use the codec provided callback to |
| 421 | * vote/unvote for the max bandwidth of the bus that is used by |
| 422 | * the codec for register reads/writes. |
| 423 | */ |
| 424 | static int wcd_cpe_bus_vote_max_bw(struct wcd_cpe_core *core, |
| 425 | bool vote) |
| 426 | { |
| 427 | if (!core || !core->cpe_cdc_cb) { |
| 428 | pr_err("%s: Invalid handle to %s\n", |
| 429 | __func__, |
| 430 | (!core) ? "core" : "codec callbacks"); |
| 431 | return -EINVAL; |
| 432 | } |
| 433 | |
| 434 | if (core->cpe_cdc_cb->bus_vote_bw) { |
| 435 | dev_dbg(core->dev, "%s: %s cdc bus max bandwidth\n", |
| 436 | __func__, vote ? "Vote" : "Unvote"); |
| 437 | core->cpe_cdc_cb->bus_vote_bw(core->codec, vote); |
| 438 | } |
| 439 | |
| 440 | return 0; |
| 441 | } |
| 442 | |
| 443 | /* |
| 444 | * wcd_cpe_load_fw: Function to load the fw image |
| 445 | * @core: cpe core pointer |
| 446 | * @load_type: indicates whether to load to data section |
| 447 | * or the instruction section |
| 448 | * |
| 449 | * Parse the mdt file to look for program headers, load each |
| 450 | * split file corresponding to the program headers. |
| 451 | */ |
| 452 | static int wcd_cpe_load_fw(struct wcd_cpe_core *core, |
| 453 | unsigned int load_type) |
| 454 | { |
| 455 | |
| 456 | int ret, phdr_idx; |
| 457 | struct snd_soc_codec *codec = NULL; |
| 458 | struct wcd9xxx *wcd9xxx = NULL; |
| 459 | const struct elf32_hdr *ehdr; |
| 460 | const struct elf32_phdr *phdr; |
| 461 | const struct firmware *fw; |
| 462 | const u8 *elf_ptr; |
| 463 | char mdt_name[64]; |
| 464 | bool img_dload_fail = false; |
| 465 | bool load_segment; |
| 466 | |
| 467 | if (!core || !core->cpe_handle) { |
| 468 | pr_err("%s: Error CPE core %pK\n", __func__, |
| 469 | core); |
| 470 | return -EINVAL; |
| 471 | } |
| 472 | codec = core->codec; |
| 473 | wcd9xxx = dev_get_drvdata(codec->dev->parent); |
| 474 | snprintf(mdt_name, sizeof(mdt_name), "%s.mdt", core->fname); |
| 475 | ret = request_firmware(&fw, mdt_name, core->dev); |
| 476 | if (ret < 0) { |
| 477 | dev_err(core->dev, "firmware %s not found\n", mdt_name); |
| 478 | return ret; |
| 479 | } |
| 480 | |
| 481 | ehdr = (struct elf32_hdr *) fw->data; |
| 482 | if (!wcd_cpe_is_valid_elf_hdr(core, fw->size, ehdr)) { |
| 483 | dev_err(core->dev, "%s: fw mdt %s is invalid\n", |
| 484 | __func__, mdt_name); |
| 485 | ret = -EINVAL; |
| 486 | goto done; |
| 487 | } |
| 488 | |
| 489 | elf_ptr = fw->data + sizeof(*ehdr); |
| 490 | |
| 491 | if (load_type == ELF_FLAG_EXECUTE) { |
| 492 | /* Reset CPE first */ |
| 493 | ret = cpe_svc_reset(core->cpe_handle); |
| 494 | if (ret < 0) { |
| 495 | dev_err(core->dev, |
| 496 | "%s: Failed to reset CPE with error %d\n", |
| 497 | __func__, ret); |
| 498 | goto done; |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | dev_dbg(core->dev, "%s: start image dload, name = %s, load_type = 0x%x\n", |
| 503 | __func__, core->fname, load_type); |
| 504 | |
| 505 | wcd_cpe_bus_vote_max_bw(core, true); |
| 506 | |
| 507 | /* parse every program header and request corresponding firmware */ |
| 508 | for (phdr_idx = 0; phdr_idx < ehdr->e_phnum; phdr_idx++) { |
| 509 | phdr = (struct elf32_phdr *)elf_ptr; |
| 510 | load_segment = false; |
| 511 | |
| 512 | dev_dbg(core->dev, |
| 513 | "index = %d, vaddr = 0x%x, paddr = 0x%x, filesz = 0x%x, memsz = 0x%x, flags = 0x%x\n" |
| 514 | , phdr_idx, phdr->p_vaddr, phdr->p_paddr, |
| 515 | phdr->p_filesz, phdr->p_memsz, phdr->p_flags); |
| 516 | |
| 517 | switch (load_type) { |
| 518 | case ELF_FLAG_EXECUTE: |
| 519 | if (phdr->p_flags & load_type) |
| 520 | load_segment = true; |
| 521 | break; |
| 522 | case ELF_FLAG_RW: |
| 523 | if (!(phdr->p_flags & ELF_FLAG_EXECUTE) && |
| 524 | (phdr->p_flags & load_type)) |
| 525 | load_segment = true; |
| 526 | break; |
| 527 | default: |
| 528 | pr_err("%s: Invalid load_type 0x%x\n", |
| 529 | __func__, load_type); |
| 530 | ret = -EINVAL; |
| 531 | goto rel_bus_vote; |
| 532 | } |
| 533 | |
| 534 | if (load_segment) { |
| 535 | ret = wcd_cpe_load_each_segment(core, |
| 536 | phdr_idx, phdr); |
| 537 | if (ret < 0) { |
| 538 | dev_err(core->dev, |
| 539 | "Failed to load segment %d, aborting img dload\n", |
| 540 | phdr_idx); |
| 541 | img_dload_fail = true; |
| 542 | goto rel_bus_vote; |
| 543 | } |
| 544 | } else { |
| 545 | dev_dbg(core->dev, |
| 546 | "%s: skipped segment with index %d\n", |
| 547 | __func__, phdr_idx); |
| 548 | } |
| 549 | |
| 550 | elf_ptr = elf_ptr + sizeof(*phdr); |
| 551 | } |
| 552 | if (load_type == ELF_FLAG_EXECUTE) |
| 553 | core->ssr_type = WCD_CPE_IMEM_DOWNLOADED; |
| 554 | |
| 555 | rel_bus_vote: |
| 556 | wcd_cpe_bus_vote_max_bw(core, false); |
| 557 | |
| 558 | done: |
| 559 | release_firmware(fw); |
| 560 | return ret; |
| 561 | } |
| 562 | |
| 563 | /* |
| 564 | * wcd_cpe_change_online_state - mark cpe online/offline state |
| 565 | * @core: core session to mark |
| 566 | * @online: whether online of offline |
| 567 | * |
| 568 | */ |
| 569 | static void wcd_cpe_change_online_state(struct wcd_cpe_core *core, |
| 570 | int online) |
| 571 | { |
| 572 | struct wcd_cpe_ssr_entry *ssr_entry = NULL; |
| 573 | unsigned long ret; |
| 574 | |
| 575 | if (!core) { |
| 576 | pr_err("%s: Invalid core handle\n", |
| 577 | __func__); |
| 578 | return; |
| 579 | } |
| 580 | |
| 581 | ssr_entry = &core->ssr_entry; |
| 582 | WCD_CPE_GRAB_LOCK(&core->ssr_lock, "SSR"); |
| 583 | ssr_entry->offline = !online; |
| 584 | |
| 585 | /* Make sure write to offline state is completed. */ |
| 586 | wmb(); |
| 587 | ret = xchg(&ssr_entry->offline_change, 1); |
| 588 | wake_up_interruptible(&ssr_entry->offline_poll_wait); |
| 589 | WCD_CPE_REL_LOCK(&core->ssr_lock, "SSR"); |
| 590 | pr_debug("%s: change state 0x%x offline_change 0x%x\n" |
| 591 | " core->offline 0x%x, ret = %ld\n", |
| 592 | __func__, online, |
| 593 | ssr_entry->offline_change, |
| 594 | core->ssr_entry.offline, ret); |
| 595 | } |
| 596 | |
| 597 | /* |
| 598 | * wcd_cpe_load_fw_image: work function to load the fw image |
| 599 | * @work: work that is scheduled to perform the image loading |
| 600 | * |
| 601 | * Parse the mdt file to look for program headers, load each |
| 602 | * split file corresponding to the program headers. |
| 603 | */ |
| 604 | static void wcd_cpe_load_fw_image(struct work_struct *work) |
| 605 | { |
| 606 | struct wcd_cpe_core *core; |
| 607 | int ret = 0; |
| 608 | |
| 609 | core = container_of(work, struct wcd_cpe_core, load_fw_work); |
| 610 | ret = wcd_cpe_load_fw(core, ELF_FLAG_EXECUTE); |
| 611 | if (!ret) |
| 612 | wcd_cpe_change_online_state(core, 1); |
| 613 | else |
| 614 | pr_err("%s: failed to load instruction section, err = %d\n", |
| 615 | __func__, ret); |
| 616 | } |
| 617 | |
| 618 | /* |
| 619 | * wcd_cpe_get_core_handle: get the handle to wcd_cpe_core |
| 620 | * @codec: codec from which this handle is to be obtained |
| 621 | * Codec driver should provide a callback function to obtain |
| 622 | * handle to wcd_cpe_core during initialization of wcd_cpe_core |
| 623 | */ |
| 624 | void *wcd_cpe_get_core_handle( |
| 625 | struct snd_soc_codec *codec) |
| 626 | { |
| 627 | struct wcd_cpe_core *core = NULL; |
| 628 | |
| 629 | if (!codec) { |
| 630 | pr_err("%s: Invalid codec handle\n", |
| 631 | __func__); |
| 632 | goto done; |
| 633 | } |
| 634 | |
| 635 | if (!wcd_get_cpe_core) { |
| 636 | dev_err(codec->dev, |
| 637 | "%s: codec callback not available\n", |
| 638 | __func__); |
| 639 | goto done; |
| 640 | } |
| 641 | |
| 642 | core = wcd_get_cpe_core(codec); |
| 643 | |
| 644 | if (!core) |
| 645 | dev_err(codec->dev, |
| 646 | "%s: handle to core not available\n", |
| 647 | __func__); |
| 648 | done: |
| 649 | return core; |
| 650 | } |
| 651 | EXPORT_SYMBOL(wcd_cpe_get_core_handle); |
| 652 | |
| 653 | /* |
| 654 | * svass_engine_irq: threaded interrupt handler for svass engine irq |
| 655 | * @irq: interrupt number |
| 656 | * @data: data pointer passed during irq registration |
| 657 | */ |
| 658 | static irqreturn_t svass_engine_irq(int irq, void *data) |
| 659 | { |
| 660 | struct wcd_cpe_core *core = data; |
| 661 | int ret = 0; |
| 662 | |
| 663 | if (!core) { |
| 664 | pr_err("%s: Invalid data for interrupt handler\n", |
| 665 | __func__); |
| 666 | goto done; |
| 667 | } |
| 668 | |
| 669 | ret = cpe_svc_process_irq(core->cpe_handle, CPE_IRQ_OUTBOX_IRQ); |
| 670 | if (ret < 0) |
| 671 | dev_err(core->dev, |
| 672 | "%s: Error processing irq from cpe_Services\n", |
| 673 | __func__); |
| 674 | done: |
| 675 | return IRQ_HANDLED; |
| 676 | } |
| 677 | |
| 678 | /* |
| 679 | * wcd_cpe_state_read - update read status in procfs |
| 680 | * @entry: snd_info_entry |
| 681 | * @buf: buffer where the read status is updated. |
| 682 | * |
| 683 | */ |
| 684 | static ssize_t wcd_cpe_state_read(struct snd_info_entry *entry, |
| 685 | void *file_private_data, struct file *file, |
| 686 | char __user *buf, size_t count, loff_t pos) |
| 687 | { |
| 688 | int len = 0; |
| 689 | char buffer[WCD_CPE_STATE_MAX_LEN]; |
| 690 | struct wcd_cpe_core *core = NULL; |
| 691 | struct wcd_cpe_ssr_entry *ssr_entry = NULL; |
| 692 | |
| 693 | core = (struct wcd_cpe_core *) entry->private_data; |
| 694 | if (!core) { |
| 695 | pr_err("%s: CPE core NULL\n", __func__); |
| 696 | return -EINVAL; |
| 697 | } |
| 698 | ssr_entry = &core->ssr_entry; |
| 699 | |
| 700 | /* Make sure read from ssr_entry is completed. */ |
| 701 | rmb(); |
| 702 | dev_dbg(core->dev, |
| 703 | "%s: Offline 0x%x\n", __func__, |
| 704 | ssr_entry->offline); |
| 705 | |
| 706 | WCD_CPE_GRAB_LOCK(&core->ssr_lock, "SSR"); |
| 707 | len = snprintf(buffer, sizeof(buffer), "%s\n", |
| 708 | ssr_entry->offline ? "OFFLINE" : "ONLINE"); |
| 709 | WCD_CPE_REL_LOCK(&core->ssr_lock, "SSR"); |
| 710 | |
| 711 | return simple_read_from_buffer(buf, count, &pos, buffer, len); |
| 712 | } |
| 713 | |
| 714 | /* |
| 715 | * wcd_cpe_state_poll - polls for change state |
| 716 | * @entry: snd_info_entry |
| 717 | * @wait: wait for duration for poll wait |
| 718 | * |
| 719 | */ |
| 720 | static unsigned int wcd_cpe_state_poll(struct snd_info_entry *entry, |
| 721 | void *private_data, struct file *file, |
| 722 | poll_table *wait) |
| 723 | { |
| 724 | struct wcd_cpe_core *core = NULL; |
| 725 | struct wcd_cpe_ssr_entry *ssr_entry = NULL; |
| 726 | int ret = 0; |
| 727 | |
| 728 | core = (struct wcd_cpe_core *) entry->private_data; |
| 729 | if (!core) { |
| 730 | pr_err("%s: CPE core NULL\n", __func__); |
| 731 | return -EINVAL; |
| 732 | } |
| 733 | |
| 734 | ssr_entry = &core->ssr_entry; |
| 735 | |
| 736 | dev_dbg(core->dev, "%s: CPE Poll wait\n", |
| 737 | __func__); |
| 738 | poll_wait(file, &ssr_entry->offline_poll_wait, wait); |
| 739 | dev_dbg(core->dev, "%s: Wake-up Poll wait\n", |
| 740 | __func__); |
| 741 | WCD_CPE_GRAB_LOCK(&core->ssr_lock, "SSR"); |
| 742 | |
| 743 | if (xchg(&ssr_entry->offline_change, 0)) |
| 744 | ret = POLLIN | POLLPRI | POLLRDNORM; |
| 745 | |
| 746 | WCD_CPE_REL_LOCK(&core->ssr_lock, "SSR"); |
| 747 | |
| 748 | dev_dbg(core->dev, "%s: ret (%d) from poll_wait\n", |
| 749 | __func__, ret); |
| 750 | return ret; |
| 751 | } |
| 752 | |
| 753 | /* |
| 754 | * wcd_cpe_is_online_state - return true if card is online state |
| 755 | * @core: core offline to query |
| 756 | */ |
| 757 | static bool wcd_cpe_is_online_state(void *core_handle) |
| 758 | { |
| 759 | struct wcd_cpe_core *core = core_handle; |
| 760 | |
| 761 | if (core_handle) { |
| 762 | return !core->ssr_entry.offline; |
| 763 | } else { |
| 764 | pr_err("%s: Core handle NULL\n", __func__); |
| 765 | /* still return 1- offline if core ptr null */ |
| 766 | return false; |
| 767 | } |
| 768 | } |
| 769 | |
| 770 | static struct snd_info_entry_ops wcd_cpe_state_proc_ops = { |
| 771 | .read = wcd_cpe_state_read, |
| 772 | .poll = wcd_cpe_state_poll, |
| 773 | }; |
| 774 | |
| 775 | static int wcd_cpe_check_new_image(struct wcd_cpe_core *core) |
| 776 | { |
| 777 | int rc = 0; |
| 778 | char temp_img_name[WCD_CPE_IMAGE_FNAME_MAX]; |
| 779 | |
| 780 | if (!strcmp(core->fname, core->dyn_fname) && |
| 781 | core->ssr_type != WCD_CPE_INITIALIZED) { |
| 782 | dev_dbg(core->dev, |
| 783 | "%s: Firmware unchanged, fname = %s, ssr_type 0x%x\n", |
| 784 | __func__, core->fname, core->ssr_type); |
| 785 | goto done; |
| 786 | } |
| 787 | |
| 788 | /* |
| 789 | * Different firmware name requested, |
| 790 | * Re-load the instruction section |
| 791 | */ |
| 792 | strlcpy(temp_img_name, core->fname, |
| 793 | WCD_CPE_IMAGE_FNAME_MAX); |
| 794 | strlcpy(core->fname, core->dyn_fname, |
| 795 | WCD_CPE_IMAGE_FNAME_MAX); |
| 796 | |
| 797 | rc = wcd_cpe_load_fw(core, ELF_FLAG_EXECUTE); |
| 798 | if (rc) { |
| 799 | dev_err(core->dev, |
| 800 | "%s: Failed to dload new image %s, err = %d\n", |
| 801 | __func__, core->fname, rc); |
| 802 | /* If new image download failed, revert back to old image */ |
| 803 | strlcpy(core->fname, temp_img_name, |
| 804 | WCD_CPE_IMAGE_FNAME_MAX); |
| 805 | rc = wcd_cpe_load_fw(core, ELF_FLAG_EXECUTE); |
| 806 | if (rc) |
| 807 | dev_err(core->dev, |
| 808 | "%s: Failed to re-dload image %s, err = %d\n", |
| 809 | __func__, core->fname, rc); |
| 810 | } else { |
| 811 | dev_info(core->dev, "%s: fw changed to %s\n", |
| 812 | __func__, core->fname); |
| 813 | } |
| 814 | done: |
| 815 | return rc; |
| 816 | } |
| 817 | |
| 818 | static int wcd_cpe_enable(struct wcd_cpe_core *core, |
| 819 | bool enable) |
| 820 | { |
| 821 | int ret = 0; |
| 822 | |
| 823 | if (enable) { |
| 824 | /* Reset CPE first */ |
| 825 | ret = cpe_svc_reset(core->cpe_handle); |
| 826 | if (ret < 0) { |
| 827 | dev_err(core->dev, |
| 828 | "%s: CPE Reset failed, error = %d\n", |
| 829 | __func__, ret); |
| 830 | goto done; |
| 831 | } |
| 832 | |
| 833 | ret = wcd_cpe_setup_irqs(core); |
| 834 | if (ret) { |
| 835 | dev_err(core->dev, |
| 836 | "%s: CPE IRQs setup failed, error = %d\n", |
| 837 | __func__, ret); |
| 838 | goto done; |
| 839 | } |
| 840 | ret = wcd_cpe_check_new_image(core); |
| 841 | if (ret) |
| 842 | goto fail_boot; |
| 843 | |
| 844 | /* Dload data section */ |
| 845 | ret = wcd_cpe_load_fw(core, ELF_FLAG_RW); |
| 846 | if (ret) { |
| 847 | dev_err(core->dev, |
| 848 | "%s: Failed to dload data section, err = %d\n", |
| 849 | __func__, ret); |
| 850 | goto fail_boot; |
| 851 | } |
| 852 | |
| 853 | ret = wcd_cpe_enable_cpe_clks(core, true); |
| 854 | if (ret < 0) { |
| 855 | dev_err(core->dev, |
| 856 | "%s: CPE clk enable failed, err = %d\n", |
| 857 | __func__, ret); |
| 858 | goto fail_boot; |
| 859 | } |
| 860 | |
| 861 | ret = cpe_svc_boot(core->cpe_handle, |
| 862 | core->cpe_debug_mode); |
| 863 | if (ret < 0) { |
| 864 | dev_err(core->dev, |
| 865 | "%s: Failed to boot CPE\n", |
| 866 | __func__); |
| 867 | goto fail_boot; |
| 868 | } |
| 869 | |
| 870 | /* wait for CPE to be online */ |
| 871 | dev_dbg(core->dev, |
| 872 | "%s: waiting for CPE bootup\n", |
| 873 | __func__); |
| 874 | |
| 875 | wait_for_completion(&core->online_compl); |
| 876 | |
| 877 | dev_dbg(core->dev, |
| 878 | "%s: CPE bootup done\n", |
| 879 | __func__); |
| 880 | |
| 881 | core->ssr_type = WCD_CPE_ENABLED; |
| 882 | } else { |
| 883 | if (core->ssr_type == WCD_CPE_BUS_DOWN_EVENT || |
| 884 | core->ssr_type == WCD_CPE_SSR_EVENT) { |
| 885 | /* |
| 886 | * If this disable vote is when |
| 887 | * SSR is in progress, do not disable CPE here, |
| 888 | * instead SSR handler will control CPE. |
| 889 | */ |
| 890 | wcd_cpe_enable_cpe_clks(core, false); |
| 891 | wcd_cpe_cleanup_irqs(core); |
| 892 | goto done; |
| 893 | } |
| 894 | |
| 895 | ret = cpe_svc_shutdown(core->cpe_handle); |
| 896 | if (ret < 0) { |
| 897 | dev_err(core->dev, |
| 898 | "%s: CPE shutdown failed, error %d\n", |
| 899 | __func__, ret); |
| 900 | goto done; |
| 901 | } |
| 902 | |
| 903 | wcd_cpe_enable_cpe_clks(core, false); |
| 904 | wcd_cpe_cleanup_irqs(core); |
| 905 | core->ssr_type = WCD_CPE_IMEM_DOWNLOADED; |
| 906 | } |
| 907 | |
| 908 | return ret; |
| 909 | |
| 910 | fail_boot: |
| 911 | wcd_cpe_cleanup_irqs(core); |
| 912 | |
| 913 | done: |
| 914 | return ret; |
| 915 | } |
| 916 | |
| 917 | /* |
| 918 | * wcd_cpe_boot_ssr: Load the images to CPE after ssr and bootup cpe |
| 919 | * @core: handle to the core |
| 920 | */ |
| 921 | static int wcd_cpe_boot_ssr(struct wcd_cpe_core *core) |
| 922 | { |
| 923 | int rc = 0; |
| 924 | |
| 925 | if (!core || !core->cpe_handle) { |
| 926 | pr_err("%s: Invalid handle\n", __func__); |
| 927 | rc = -EINVAL; |
| 928 | goto fail; |
| 929 | } |
| 930 | /* Load the instruction section and mark CPE as online */ |
| 931 | rc = wcd_cpe_load_fw(core, ELF_FLAG_EXECUTE); |
| 932 | if (rc) { |
| 933 | dev_err(core->dev, |
| 934 | "%s: Failed to load instruction, err = %d\n", |
| 935 | __func__, rc); |
| 936 | goto fail; |
| 937 | } else { |
| 938 | wcd_cpe_change_online_state(core, 1); |
| 939 | } |
| 940 | |
| 941 | fail: |
| 942 | return rc; |
| 943 | } |
| 944 | |
| 945 | /* |
| 946 | * wcd_cpe_clr_ready_status: |
| 947 | * Clear the value from the ready status for CPE |
| 948 | * @core: handle to the core |
| 949 | * @value: flag/bitmask that is to be cleared |
| 950 | * |
| 951 | * This function should not be invoked with ssr_lock acquired |
| 952 | */ |
| 953 | static void wcd_cpe_clr_ready_status(struct wcd_cpe_core *core, |
| 954 | u8 value) |
| 955 | { |
| 956 | WCD_CPE_GRAB_LOCK(&core->ssr_lock, "SSR"); |
| 957 | core->ready_status &= ~(value); |
| 958 | dev_dbg(core->dev, |
| 959 | "%s: ready_status = 0x%x\n", |
| 960 | __func__, core->ready_status); |
| 961 | WCD_CPE_REL_LOCK(&core->ssr_lock, "SSR"); |
| 962 | } |
| 963 | |
| 964 | /* |
| 965 | * wcd_cpe_set_and_complete: |
| 966 | * Set the ready status with the provided value and |
| 967 | * flag the completion object if ready status moves |
| 968 | * to ready to download |
| 969 | * @core: handle to the core |
| 970 | * @value: flag/bitmask that is to be set |
| 971 | */ |
| 972 | static void wcd_cpe_set_and_complete(struct wcd_cpe_core *core, |
| 973 | u8 value) |
| 974 | { |
| 975 | WCD_CPE_GRAB_LOCK(&core->ssr_lock, "SSR"); |
| 976 | core->ready_status |= value; |
| 977 | if ((core->ready_status & WCD_CPE_READY_TO_DLOAD) == |
| 978 | WCD_CPE_READY_TO_DLOAD) { |
| 979 | dev_dbg(core->dev, |
| 980 | "%s: marking ready, status = 0x%x\n", |
| 981 | __func__, core->ready_status); |
| 982 | complete(&core->ready_compl); |
| 983 | } |
| 984 | WCD_CPE_REL_LOCK(&core->ssr_lock, "SSR"); |
| 985 | } |
| 986 | |
| 987 | |
| 988 | /* |
| 989 | * wcd_cpe_ssr_work: work function to handle CPE SSR |
| 990 | * @work: work that is scheduled to perform CPE shutdown |
| 991 | * and restart |
| 992 | */ |
| 993 | static void wcd_cpe_ssr_work(struct work_struct *work) |
| 994 | { |
| 995 | |
| 996 | int rc = 0; |
| 997 | u32 irq = 0; |
| 998 | struct wcd_cpe_core *core = NULL; |
| 999 | u8 status = 0; |
| 1000 | |
| 1001 | core = container_of(work, struct wcd_cpe_core, ssr_work); |
| 1002 | if (!core) { |
| 1003 | pr_err("%s: Core handle NULL\n", __func__); |
| 1004 | return; |
| 1005 | } |
| 1006 | |
| 1007 | /* Obtain pm request up in case of suspend mode */ |
| 1008 | pm_qos_add_request(&core->pm_qos_req, |
| 1009 | PM_QOS_CPU_DMA_LATENCY, |
| 1010 | PM_QOS_DEFAULT_VALUE); |
| 1011 | pm_qos_update_request(&core->pm_qos_req, |
| 1012 | msm_cpuidle_get_deep_idle_latency()); |
| 1013 | |
| 1014 | dev_dbg(core->dev, |
| 1015 | "%s: CPE SSR with event %d\n", |
| 1016 | __func__, core->ssr_type); |
| 1017 | |
| 1018 | if (core->ssr_type == WCD_CPE_SSR_EVENT) { |
| 1019 | if (CPE_ERR_IRQ_CB(core)) |
| 1020 | core->cpe_cdc_cb->cpe_err_irq_control( |
| 1021 | core->codec, |
| 1022 | CPE_ERR_IRQ_STATUS, |
| 1023 | &status); |
| 1024 | if (status & core->irq_info.cpe_fatal_irqs) |
| 1025 | irq = CPE_IRQ_WDOG_BITE; |
| 1026 | } else { |
| 1027 | /* If bus is down, cdc reg cannot be read */ |
| 1028 | irq = CPE_IRQ_WDOG_BITE; |
| 1029 | } |
| 1030 | |
| 1031 | if (core->cpe_users > 0) { |
| 1032 | rc = cpe_svc_process_irq(core->cpe_handle, irq); |
| 1033 | if (rc < 0) |
| 1034 | /* |
| 1035 | * Even if process_irq fails, |
| 1036 | * wait for cpe to move to offline state |
| 1037 | */ |
| 1038 | dev_err(core->dev, |
| 1039 | "%s: irq processing failed, error = %d\n", |
| 1040 | __func__, rc); |
| 1041 | |
| 1042 | rc = wait_for_completion_timeout(&core->offline_compl, |
| 1043 | CPE_OFFLINE_WAIT_TIMEOUT); |
| 1044 | if (!rc) { |
| 1045 | dev_err(core->dev, |
| 1046 | "%s: wait for cpe offline timed out\n", |
| 1047 | __func__); |
| 1048 | goto err_ret; |
| 1049 | } |
| 1050 | if (core->ssr_type != WCD_CPE_BUS_DOWN_EVENT) { |
| 1051 | wcd_cpe_get_sfr_dump(core); |
| 1052 | |
| 1053 | /* |
| 1054 | * Ramdump has to be explicitly enabled |
| 1055 | * through debugfs and cannot be collected |
| 1056 | * when bus is down. |
| 1057 | */ |
| 1058 | if (ramdump_enable) |
| 1059 | wcd_cpe_collect_ramdump(core); |
| 1060 | } |
| 1061 | } else { |
| 1062 | pr_err("%s: no cpe users, mark as offline\n", __func__); |
| 1063 | wcd_cpe_change_online_state(core, 0); |
| 1064 | wcd_cpe_set_and_complete(core, |
| 1065 | WCD_CPE_BLK_READY); |
| 1066 | } |
| 1067 | |
| 1068 | rc = wait_for_completion_timeout(&core->ready_compl, |
| 1069 | CPE_READY_WAIT_TIMEOUT); |
| 1070 | if (!rc) { |
| 1071 | dev_err(core->dev, |
| 1072 | "%s: ready to online timed out, status = %u\n", |
| 1073 | __func__, core->ready_status); |
| 1074 | goto err_ret; |
| 1075 | } |
| 1076 | |
| 1077 | rc = wcd_cpe_boot_ssr(core); |
| 1078 | |
| 1079 | /* Once image are downloaded make sure all |
| 1080 | * error interrupts are cleared |
| 1081 | */ |
| 1082 | if (CPE_ERR_IRQ_CB(core)) |
| 1083 | core->cpe_cdc_cb->cpe_err_irq_control(core->codec, |
| 1084 | CPE_ERR_IRQ_CLEAR, NULL); |
| 1085 | |
| 1086 | err_ret: |
| 1087 | /* remove after default pm qos */ |
| 1088 | pm_qos_update_request(&core->pm_qos_req, |
| 1089 | PM_QOS_DEFAULT_VALUE); |
| 1090 | pm_qos_remove_request(&core->pm_qos_req); |
| 1091 | } |
| 1092 | |
| 1093 | /* |
| 1094 | * wcd_cpe_ssr_handle: handle SSR events here. |
| 1095 | * @core_handle: handle to the cpe core |
| 1096 | * @event: indicates ADSP or CDSP SSR. |
| 1097 | */ |
| 1098 | int wcd_cpe_ssr_event(void *core_handle, |
| 1099 | enum wcd_cpe_ssr_state_event event) |
| 1100 | { |
| 1101 | struct wcd_cpe_core *core = core_handle; |
| 1102 | |
| 1103 | if (!core) { |
| 1104 | pr_err("%s: Invalid handle to core\n", |
| 1105 | __func__); |
| 1106 | return -EINVAL; |
| 1107 | } |
| 1108 | |
| 1109 | /* |
| 1110 | * If CPE is not even enabled, the SSR event for |
| 1111 | * CPE needs to be ignored |
| 1112 | */ |
| 1113 | if (core->ssr_type == WCD_CPE_INITIALIZED) { |
| 1114 | dev_info(core->dev, |
| 1115 | "%s: CPE initialized but not enabled, skip CPE ssr\n", |
| 1116 | __func__); |
| 1117 | return 0; |
| 1118 | } |
| 1119 | |
| 1120 | dev_dbg(core->dev, |
| 1121 | "%s: Schedule ssr work, event = %d\n", |
| 1122 | __func__, core->ssr_type); |
| 1123 | |
| 1124 | switch (event) { |
| 1125 | case WCD_CPE_BUS_DOWN_EVENT: |
| 1126 | /* |
| 1127 | * If bus down, then CPE block is also |
| 1128 | * treated to be down |
| 1129 | */ |
| 1130 | wcd_cpe_clr_ready_status(core, WCD_CPE_READY_TO_DLOAD); |
| 1131 | core->ssr_type = event; |
| 1132 | schedule_work(&core->ssr_work); |
| 1133 | break; |
| 1134 | |
| 1135 | case WCD_CPE_SSR_EVENT: |
| 1136 | wcd_cpe_clr_ready_status(core, WCD_CPE_BLK_READY); |
| 1137 | core->ssr_type = event; |
| 1138 | schedule_work(&core->ssr_work); |
| 1139 | break; |
| 1140 | |
| 1141 | case WCD_CPE_BUS_UP_EVENT: |
| 1142 | wcd_cpe_set_and_complete(core, WCD_CPE_BUS_READY); |
| 1143 | /* |
| 1144 | * In case of bus up event ssr_type will be changed |
| 1145 | * to WCD_CPE_ACTIVE once CPE is online |
| 1146 | */ |
| 1147 | break; |
| 1148 | |
| 1149 | default: |
| 1150 | dev_err(core->dev, |
| 1151 | "%s: unhandled SSR event %d\n", |
| 1152 | __func__, event); |
| 1153 | return -EINVAL; |
| 1154 | } |
| 1155 | |
| 1156 | return 0; |
| 1157 | } |
| 1158 | EXPORT_SYMBOL(wcd_cpe_ssr_event); |
| 1159 | |
| 1160 | /* |
| 1161 | * svass_exception_irq: threaded irq handler for sva error interrupts |
| 1162 | * @irq: interrupt number |
| 1163 | * @data: data pointer passed during irq registration |
| 1164 | * |
| 1165 | * Once a error interrupt is received, it is not cleared, since |
| 1166 | * clearing this interrupt will raise spurious interrupts unless |
| 1167 | * CPE is reset. |
| 1168 | */ |
| 1169 | static irqreturn_t svass_exception_irq(int irq, void *data) |
| 1170 | { |
| 1171 | struct wcd_cpe_core *core = data; |
| 1172 | u8 status = 0; |
| 1173 | |
| 1174 | if (!core || !CPE_ERR_IRQ_CB(core)) { |
| 1175 | pr_err("%s: Invalid %s\n", |
| 1176 | __func__, |
| 1177 | (!core) ? "core" : "cdc control"); |
| 1178 | return IRQ_HANDLED; |
| 1179 | } |
| 1180 | |
| 1181 | core->cpe_cdc_cb->cpe_err_irq_control(core->codec, |
| 1182 | CPE_ERR_IRQ_STATUS, &status); |
| 1183 | |
| 1184 | while (status != 0) { |
| 1185 | if (status & core->irq_info.cpe_fatal_irqs) { |
| 1186 | dev_err(core->dev, |
| 1187 | "%s: CPE SSR event,err_status = 0x%02x\n", |
| 1188 | __func__, status); |
| 1189 | wcd_cpe_ssr_event(core, WCD_CPE_SSR_EVENT); |
| 1190 | /* |
| 1191 | * If fatal interrupt is received, |
| 1192 | * trigger SSR and stop processing |
| 1193 | * further interrupts |
| 1194 | */ |
| 1195 | break; |
| 1196 | } |
| 1197 | /* |
| 1198 | * Mask the interrupt that was raised to |
| 1199 | * avoid spurious interrupts |
| 1200 | */ |
| 1201 | core->cpe_cdc_cb->cpe_err_irq_control(core->codec, |
| 1202 | CPE_ERR_IRQ_MASK, &status); |
| 1203 | |
| 1204 | /* Clear only the interrupt that was raised */ |
| 1205 | core->cpe_cdc_cb->cpe_err_irq_control(core->codec, |
| 1206 | CPE_ERR_IRQ_CLEAR, &status); |
| 1207 | dev_err(core->dev, |
| 1208 | "%s: err_interrupt status = 0x%x\n", |
| 1209 | __func__, status); |
| 1210 | |
| 1211 | /* Read status for pending interrupts */ |
| 1212 | core->cpe_cdc_cb->cpe_err_irq_control(core->codec, |
| 1213 | CPE_ERR_IRQ_STATUS, &status); |
| 1214 | } |
| 1215 | |
| 1216 | return IRQ_HANDLED; |
| 1217 | } |
| 1218 | |
| 1219 | /* |
| 1220 | * wcd_cpe_cmi_afe_cb: callback called on response to afe commands |
| 1221 | * @param: parameter containing the response code, etc |
| 1222 | * |
| 1223 | * Process the request to the command sent to CPE and wakeup the |
| 1224 | * command send wait. |
| 1225 | */ |
| 1226 | static void wcd_cpe_cmi_afe_cb(const struct cmi_api_notification *param) |
| 1227 | { |
| 1228 | struct cmi_hdr *hdr; |
| 1229 | struct wcd_cmi_afe_port_data *afe_port_d; |
| 1230 | u8 port_id; |
| 1231 | |
| 1232 | if (!param) { |
| 1233 | pr_err("%s: param is null\n", __func__); |
| 1234 | return; |
| 1235 | } |
| 1236 | |
| 1237 | if (param->event != CMI_API_MSG) { |
| 1238 | pr_err("%s: unhandled event 0x%x\n", |
| 1239 | __func__, param->event); |
| 1240 | return; |
| 1241 | } |
| 1242 | |
| 1243 | pr_debug("%s: param->result = %d\n", |
| 1244 | __func__, param->result); |
| 1245 | |
| 1246 | hdr = (struct cmi_hdr *) param->message; |
| 1247 | |
| 1248 | /* |
| 1249 | * for AFE cmd response, port id is |
| 1250 | * stored at session id field of header |
| 1251 | */ |
| 1252 | port_id = CMI_HDR_GET_SESSION_ID(hdr); |
| 1253 | if (port_id > WCD_CPE_AFE_MAX_PORTS) { |
| 1254 | pr_err("%s: invalid port_id %d\n", |
| 1255 | __func__, port_id); |
| 1256 | return; |
| 1257 | } |
| 1258 | |
| 1259 | afe_port_d = &(afe_ports[port_id]); |
| 1260 | |
| 1261 | if (hdr->opcode == CPE_CMI_BASIC_RSP_OPCODE) { |
| 1262 | |
| 1263 | u8 *payload = ((u8 *)param->message) + (sizeof(struct cmi_hdr)); |
| 1264 | u8 result = payload[0]; |
| 1265 | |
| 1266 | afe_port_d->cmd_result = result; |
| 1267 | complete(&afe_port_d->afe_cmd_complete); |
| 1268 | |
| 1269 | } else if (hdr->opcode == CPE_AFE_PORT_CMDRSP_SHARED_MEM_ALLOC) { |
| 1270 | |
| 1271 | struct cpe_cmdrsp_shmem_alloc *cmdrsp_shmem_alloc = |
| 1272 | (struct cpe_cmdrsp_shmem_alloc *) param->message; |
| 1273 | |
| 1274 | if (cmdrsp_shmem_alloc->addr == 0) { |
| 1275 | pr_err("%s: Failed AFE shared mem alloc\n", __func__); |
| 1276 | afe_port_d->cmd_result = CMI_SHMEM_ALLOC_FAILED; |
| 1277 | } else { |
| 1278 | pr_debug("%s AFE shared mem addr = 0x%x\n", |
| 1279 | __func__, cmdrsp_shmem_alloc->addr); |
| 1280 | afe_port_d->mem_handle = cmdrsp_shmem_alloc->addr; |
| 1281 | afe_port_d->cmd_result = 0; |
| 1282 | } |
| 1283 | complete(&afe_port_d->afe_cmd_complete); |
| 1284 | } |
| 1285 | } |
| 1286 | |
| 1287 | /* |
| 1288 | * wcd_cpe_initialize_afe_port_data: Initialize all AFE ports |
| 1289 | * |
| 1290 | * Initialize the data for all the afe ports. Assign the |
| 1291 | * afe port state to INIT state. |
| 1292 | */ |
| 1293 | static void wcd_cpe_initialize_afe_port_data(void) |
| 1294 | { |
| 1295 | struct wcd_cmi_afe_port_data *afe_port_d; |
| 1296 | int i; |
| 1297 | |
| 1298 | for (i = 0; i <= WCD_CPE_AFE_MAX_PORTS; i++) { |
| 1299 | afe_port_d = &afe_ports[i]; |
| 1300 | afe_port_d->port_id = i; |
| 1301 | init_completion(&afe_port_d->afe_cmd_complete); |
| 1302 | afe_port_d->port_state = AFE_PORT_STATE_INIT; |
| 1303 | mutex_init(&afe_port_d->afe_lock); |
| 1304 | } |
| 1305 | } |
| 1306 | |
| 1307 | /* |
| 1308 | * wcd_cpe_deinitialize_afe_port_data: De-initialize all AFE ports |
| 1309 | * |
| 1310 | * De-Initialize the data for all the afe ports. Assign the |
| 1311 | * afe port state to DEINIT state. |
| 1312 | */ |
| 1313 | static void wcd_cpe_deinitialize_afe_port_data(void) |
| 1314 | { |
| 1315 | struct wcd_cmi_afe_port_data *afe_port_d; |
| 1316 | int i; |
| 1317 | |
| 1318 | for (i = 0; i <= WCD_CPE_AFE_MAX_PORTS; i++) { |
| 1319 | afe_port_d = &afe_ports[i]; |
| 1320 | afe_port_d->port_state = AFE_PORT_STATE_DEINIT; |
| 1321 | mutex_destroy(&afe_port_d->afe_lock); |
| 1322 | } |
| 1323 | } |
| 1324 | |
| 1325 | /* |
| 1326 | * wcd_cpe_svc_event_cb: callback from cpe services, indicating |
| 1327 | * CPE is online or offline. |
| 1328 | * @param: parameter / payload for event to be notified |
| 1329 | */ |
| 1330 | static void wcd_cpe_svc_event_cb(const struct cpe_svc_notification *param) |
| 1331 | { |
| 1332 | struct snd_soc_codec *codec; |
| 1333 | struct wcd_cpe_core *core; |
| 1334 | struct cpe_svc_boot_event *boot_data; |
| 1335 | bool active_sessions; |
| 1336 | |
| 1337 | if (!param) { |
| 1338 | pr_err("%s: Invalid event\n", __func__); |
| 1339 | return; |
| 1340 | } |
| 1341 | |
| 1342 | codec = param->private_data; |
| 1343 | if (!codec) { |
| 1344 | pr_err("%s: Invalid handle to codec\n", |
| 1345 | __func__); |
| 1346 | return; |
| 1347 | } |
| 1348 | |
| 1349 | core = wcd_cpe_get_core_handle(codec); |
| 1350 | if (!core) { |
| 1351 | pr_err("%s: Invalid handle to core\n", |
| 1352 | __func__); |
| 1353 | return; |
| 1354 | } |
| 1355 | |
| 1356 | dev_dbg(core->dev, |
| 1357 | "%s: event = 0x%x, ssr_type = 0x%x\n", |
| 1358 | __func__, param->event, core->ssr_type); |
| 1359 | |
| 1360 | switch (param->event) { |
| 1361 | case CPE_SVC_BOOT: |
| 1362 | boot_data = (struct cpe_svc_boot_event *) |
| 1363 | param->payload; |
| 1364 | core->sfr_buf_addr = boot_data->debug_address; |
| 1365 | core->sfr_buf_size = boot_data->debug_buffer_size; |
| 1366 | dev_dbg(core->dev, |
| 1367 | "%s: CPE booted, sfr_addr = %d, sfr_size = %zu\n", |
| 1368 | __func__, core->sfr_buf_addr, |
| 1369 | core->sfr_buf_size); |
| 1370 | break; |
| 1371 | case CPE_SVC_ONLINE: |
| 1372 | core->ssr_type = WCD_CPE_ACTIVE; |
| 1373 | dev_dbg(core->dev, "%s CPE is now online\n", |
| 1374 | __func__); |
| 1375 | complete(&core->online_compl); |
| 1376 | break; |
| 1377 | case CPE_SVC_OFFLINE: |
| 1378 | /* |
| 1379 | * offline can happen during normal shutdown, |
| 1380 | * but we are interested in offline only during |
| 1381 | * SSR. |
| 1382 | */ |
| 1383 | if (core->ssr_type != WCD_CPE_SSR_EVENT && |
| 1384 | core->ssr_type != WCD_CPE_BUS_DOWN_EVENT) |
| 1385 | break; |
| 1386 | |
| 1387 | active_sessions = wcd_cpe_lsm_session_active(); |
| 1388 | wcd_cpe_change_online_state(core, 0); |
| 1389 | complete(&core->offline_compl); |
| 1390 | dev_err(core->dev, "%s: CPE is now offline\n", |
| 1391 | __func__); |
| 1392 | break; |
| 1393 | case CPE_SVC_CMI_CLIENTS_DEREG: |
| 1394 | |
| 1395 | /* |
| 1396 | * Only when either CPE SSR is in progress, |
| 1397 | * or the bus is down, we need to mark the CPE |
| 1398 | * as ready. In all other cases, this event is |
| 1399 | * ignored |
| 1400 | */ |
| 1401 | if (core->ssr_type == WCD_CPE_SSR_EVENT || |
| 1402 | core->ssr_type == WCD_CPE_BUS_DOWN_EVENT) |
| 1403 | wcd_cpe_set_and_complete(core, |
| 1404 | WCD_CPE_BLK_READY); |
| 1405 | break; |
| 1406 | default: |
| 1407 | dev_err(core->dev, |
| 1408 | "%s: unhandled notification\n", |
| 1409 | __func__); |
| 1410 | break; |
| 1411 | } |
| 1412 | } |
| 1413 | |
| 1414 | /* |
| 1415 | * wcd_cpe_cleanup_irqs: free the irq resources required by cpe |
| 1416 | * @core: handle the cpe core |
| 1417 | * |
| 1418 | * This API will free the IRQs for CPE but does not mask the |
| 1419 | * CPE interrupts. If masking is needed, it has to be done |
| 1420 | * explicity by caller. |
| 1421 | */ |
| 1422 | static void wcd_cpe_cleanup_irqs(struct wcd_cpe_core *core) |
| 1423 | { |
| 1424 | |
| 1425 | struct snd_soc_codec *codec = core->codec; |
| 1426 | struct wcd9xxx *wcd9xxx = dev_get_drvdata(codec->dev->parent); |
| 1427 | struct wcd9xxx_core_resource *core_res = &wcd9xxx->core_res; |
| 1428 | |
| 1429 | wcd9xxx_free_irq(core_res, |
| 1430 | core->irq_info.cpe_engine_irq, |
| 1431 | core); |
| 1432 | wcd9xxx_free_irq(core_res, |
| 1433 | core->irq_info.cpe_err_irq, |
| 1434 | core); |
| 1435 | |
| 1436 | } |
| 1437 | |
| 1438 | /* |
| 1439 | * wcd_cpe_setup_sva_err_intr: setup the irqs for CPE |
| 1440 | * @core: handle to wcd_cpe_core |
| 1441 | * All interrupts needed for CPE are acquired. If any |
| 1442 | * request_irq fails, then all irqs are free'd |
| 1443 | */ |
| 1444 | static int wcd_cpe_setup_irqs(struct wcd_cpe_core *core) |
| 1445 | { |
| 1446 | int ret; |
| 1447 | struct snd_soc_codec *codec = core->codec; |
| 1448 | struct wcd9xxx *wcd9xxx = dev_get_drvdata(codec->dev->parent); |
| 1449 | struct wcd9xxx_core_resource *core_res = &wcd9xxx->core_res; |
| 1450 | |
| 1451 | ret = wcd9xxx_request_irq(core_res, |
| 1452 | core->irq_info.cpe_engine_irq, |
| 1453 | svass_engine_irq, "SVASS_Engine", core); |
| 1454 | if (ret) { |
| 1455 | dev_err(core->dev, |
| 1456 | "%s: Failed to request svass engine irq\n", |
| 1457 | __func__); |
| 1458 | goto fail_engine_irq; |
| 1459 | } |
| 1460 | |
| 1461 | /* Make sure all error interrupts are cleared */ |
| 1462 | if (CPE_ERR_IRQ_CB(core)) |
| 1463 | core->cpe_cdc_cb->cpe_err_irq_control( |
| 1464 | core->codec, |
| 1465 | CPE_ERR_IRQ_CLEAR, |
| 1466 | NULL); |
| 1467 | |
| 1468 | /* Enable required error interrupts */ |
| 1469 | if (CPE_ERR_IRQ_CB(core)) |
| 1470 | core->cpe_cdc_cb->cpe_err_irq_control( |
| 1471 | core->codec, |
| 1472 | CPE_ERR_IRQ_UNMASK, |
| 1473 | NULL); |
| 1474 | |
| 1475 | ret = wcd9xxx_request_irq(core_res, |
| 1476 | core->irq_info.cpe_err_irq, |
| 1477 | svass_exception_irq, "SVASS_Exception", core); |
| 1478 | if (ret) { |
| 1479 | dev_err(core->dev, |
| 1480 | "%s: Failed to request svass err irq\n", |
| 1481 | __func__); |
| 1482 | goto fail_exception_irq; |
| 1483 | } |
| 1484 | |
| 1485 | return 0; |
| 1486 | |
| 1487 | fail_exception_irq: |
| 1488 | wcd9xxx_free_irq(core_res, |
| 1489 | core->irq_info.cpe_engine_irq, core); |
| 1490 | |
| 1491 | fail_engine_irq: |
| 1492 | return ret; |
| 1493 | } |
| 1494 | |
| 1495 | static int wcd_cpe_get_cal_index(int32_t cal_type) |
| 1496 | { |
| 1497 | int cal_index = -EINVAL; |
| 1498 | |
| 1499 | if (cal_type == ULP_AFE_CAL_TYPE) |
| 1500 | cal_index = WCD_CPE_LSM_CAL_AFE; |
| 1501 | else if (cal_type == ULP_LSM_CAL_TYPE) |
| 1502 | cal_index = WCD_CPE_LSM_CAL_LSM; |
| 1503 | else if (cal_type == ULP_LSM_TOPOLOGY_ID_CAL_TYPE) |
| 1504 | cal_index = WCD_CPE_LSM_CAL_TOPOLOGY_ID; |
| 1505 | else |
| 1506 | pr_err("%s: invalid cal_type %d\n", |
| 1507 | __func__, cal_type); |
| 1508 | |
| 1509 | return cal_index; |
| 1510 | } |
| 1511 | |
| 1512 | static int wcd_cpe_alloc_cal(int32_t cal_type, size_t data_size, void *data) |
| 1513 | { |
| 1514 | int ret = 0; |
| 1515 | int cal_index; |
| 1516 | |
| 1517 | cal_index = wcd_cpe_get_cal_index(cal_type); |
| 1518 | if (cal_index < 0) { |
| 1519 | pr_err("%s: invalid caltype %d\n", |
| 1520 | __func__, cal_type); |
| 1521 | return -EINVAL; |
| 1522 | } |
| 1523 | |
| 1524 | ret = cal_utils_alloc_cal(data_size, data, |
| 1525 | core_d->cal_data[cal_index], |
| 1526 | 0, NULL); |
| 1527 | if (ret < 0) |
| 1528 | pr_err("%s: cal_utils_alloc_block failed, ret = %d, cal type = %d!\n", |
| 1529 | __func__, ret, cal_type); |
| 1530 | return ret; |
| 1531 | } |
| 1532 | |
| 1533 | static int wcd_cpe_dealloc_cal(int32_t cal_type, size_t data_size, |
| 1534 | void *data) |
| 1535 | { |
| 1536 | int ret = 0; |
| 1537 | int cal_index; |
| 1538 | |
| 1539 | cal_index = wcd_cpe_get_cal_index(cal_type); |
| 1540 | if (cal_index < 0) { |
| 1541 | pr_err("%s: invalid caltype %d\n", |
| 1542 | __func__, cal_type); |
| 1543 | return -EINVAL; |
| 1544 | } |
| 1545 | |
| 1546 | ret = cal_utils_dealloc_cal(data_size, data, |
| 1547 | core_d->cal_data[cal_index]); |
| 1548 | if (ret < 0) |
| 1549 | pr_err("%s: cal_utils_dealloc_block failed, ret = %d, cal type = %d!\n", |
| 1550 | __func__, ret, cal_type); |
| 1551 | return ret; |
| 1552 | } |
| 1553 | |
| 1554 | static int wcd_cpe_set_cal(int32_t cal_type, size_t data_size, void *data) |
| 1555 | { |
| 1556 | int ret = 0; |
| 1557 | int cal_index; |
| 1558 | |
| 1559 | cal_index = wcd_cpe_get_cal_index(cal_type); |
| 1560 | if (cal_index < 0) { |
| 1561 | pr_err("%s: invalid caltype %d\n", |
| 1562 | __func__, cal_type); |
| 1563 | return -EINVAL; |
| 1564 | } |
| 1565 | |
| 1566 | ret = cal_utils_set_cal(data_size, data, |
| 1567 | core_d->cal_data[cal_index], |
| 1568 | 0, NULL); |
| 1569 | if (ret < 0) |
| 1570 | pr_err("%s: cal_utils_set_cal failed, ret = %d, cal type = %d!\n", |
| 1571 | __func__, ret, cal_type); |
| 1572 | return ret; |
| 1573 | } |
| 1574 | |
| 1575 | static int wcd_cpe_cal_init(struct wcd_cpe_core *core) |
| 1576 | { |
| 1577 | int ret = 0; |
| 1578 | |
| 1579 | struct cal_type_info cal_type_info[] = { |
| 1580 | {{ULP_AFE_CAL_TYPE, |
| 1581 | {wcd_cpe_alloc_cal, wcd_cpe_dealloc_cal, NULL, |
| 1582 | wcd_cpe_set_cal, NULL, NULL} }, |
| 1583 | {NULL, NULL, cal_utils_match_buf_num} }, |
| 1584 | |
| 1585 | {{ULP_LSM_CAL_TYPE, |
| 1586 | {wcd_cpe_alloc_cal, wcd_cpe_dealloc_cal, NULL, |
| 1587 | wcd_cpe_set_cal, NULL, NULL} }, |
| 1588 | {NULL, NULL, cal_utils_match_buf_num} }, |
| 1589 | |
| 1590 | {{ULP_LSM_TOPOLOGY_ID_CAL_TYPE, |
| 1591 | {wcd_cpe_alloc_cal, wcd_cpe_dealloc_cal, NULL, |
| 1592 | wcd_cpe_set_cal, NULL, NULL} }, |
| 1593 | {NULL, NULL, cal_utils_match_buf_num} }, |
| 1594 | }; |
| 1595 | |
| 1596 | ret = cal_utils_create_cal_types(WCD_CPE_LSM_CAL_MAX, |
| 1597 | core->cal_data, |
| 1598 | cal_type_info); |
| 1599 | if (ret < 0) |
| 1600 | pr_err("%s: could not create cal type!\n", |
| 1601 | __func__); |
| 1602 | return ret; |
| 1603 | } |
| 1604 | |
| 1605 | /* |
| 1606 | * wcd_cpe_enable: setup the cpe interrupts and schedule |
| 1607 | * the work to download image and bootup the CPE. |
| 1608 | * core: handle to cpe core structure |
| 1609 | */ |
| 1610 | static int wcd_cpe_vote(struct wcd_cpe_core *core, |
| 1611 | bool enable) |
| 1612 | { |
| 1613 | int ret = 0; |
| 1614 | |
| 1615 | if (!core) { |
| 1616 | pr_err("%s: Invalid handle to core\n", |
| 1617 | __func__); |
| 1618 | ret = -EINVAL; |
| 1619 | goto done; |
| 1620 | } |
| 1621 | |
| 1622 | dev_dbg(core->dev, |
| 1623 | "%s: enter, enable = %s, cpe_users = %u\n", |
| 1624 | __func__, (enable ? "true" : "false"), |
| 1625 | core->cpe_users); |
| 1626 | |
| 1627 | if (enable) { |
| 1628 | core->cpe_users++; |
| 1629 | if (core->cpe_users == 1) { |
| 1630 | ret = wcd_cpe_enable(core, enable); |
| 1631 | if (ret) { |
| 1632 | dev_err(core->dev, |
| 1633 | "%s: CPE enable failed, err = %d\n", |
| 1634 | __func__, ret); |
| 1635 | goto done; |
| 1636 | } |
| 1637 | } else { |
| 1638 | dev_dbg(core->dev, |
| 1639 | "%s: cpe already enabled, users = %u\n", |
| 1640 | __func__, core->cpe_users); |
| 1641 | goto done; |
| 1642 | } |
| 1643 | } else { |
| 1644 | core->cpe_users--; |
| 1645 | if (core->cpe_users == 0) { |
| 1646 | ret = wcd_cpe_enable(core, enable); |
| 1647 | if (ret) { |
| 1648 | dev_err(core->dev, |
| 1649 | "%s: CPE disable failed, err = %d\n", |
| 1650 | __func__, ret); |
| 1651 | goto done; |
| 1652 | } |
| 1653 | } else { |
| 1654 | dev_dbg(core->dev, |
| 1655 | "%s: %u valid users on cpe\n", |
| 1656 | __func__, core->cpe_users); |
| 1657 | goto done; |
| 1658 | } |
| 1659 | } |
| 1660 | |
| 1661 | dev_dbg(core->dev, |
| 1662 | "%s: leave, enable = %s, cpe_users = %u\n", |
| 1663 | __func__, (enable ? "true" : "false"), |
| 1664 | core->cpe_users); |
| 1665 | |
| 1666 | done: |
| 1667 | return ret; |
| 1668 | } |
| 1669 | |
| 1670 | static int wcd_cpe_debugfs_init(struct wcd_cpe_core *core) |
| 1671 | { |
| 1672 | int rc = 0; |
| 1673 | |
| 1674 | struct dentry *dir = debugfs_create_dir("wcd_cpe", NULL); |
| 1675 | |
| 1676 | if (IS_ERR_OR_NULL(dir)) { |
| 1677 | dir = NULL; |
| 1678 | rc = -ENODEV; |
| 1679 | goto err_create_dir; |
| 1680 | } |
| 1681 | |
| 1682 | if (!debugfs_create_u32("ramdump_enable", 0644, |
| 1683 | dir, &ramdump_enable)) { |
| 1684 | dev_err(core->dev, "%s: Failed to create debugfs node %s\n", |
| 1685 | __func__, "ramdump_enable"); |
| 1686 | rc = -ENODEV; |
| 1687 | goto err_create_entry; |
| 1688 | } |
| 1689 | |
| 1690 | if (!debugfs_create_file("cpe_ftm_test_trigger", 0200, |
| 1691 | dir, core, &cpe_ftm_test_trigger_fops)) { |
| 1692 | dev_err(core->dev, "%s: Failed to create debugfs node %s\n", |
| 1693 | __func__, "cpe_ftm_test_trigger"); |
| 1694 | rc = -ENODEV; |
| 1695 | goto err_create_entry; |
| 1696 | } |
| 1697 | |
| 1698 | if (!debugfs_create_u32("cpe_ftm_test_status", 0444, |
| 1699 | dir, &cpe_ftm_test_status)) { |
| 1700 | dev_err(core->dev, "%s: Failed to create debugfs node %s\n", |
| 1701 | __func__, "cpe_ftm_test_status"); |
| 1702 | rc = -ENODEV; |
| 1703 | goto err_create_entry; |
| 1704 | } |
| 1705 | |
| 1706 | err_create_entry: |
| 1707 | debugfs_remove(dir); |
| 1708 | |
| 1709 | err_create_dir: |
| 1710 | return rc; |
| 1711 | } |
| 1712 | |
| 1713 | static ssize_t fw_name_show(struct wcd_cpe_core *core, char *buf) |
| 1714 | { |
| 1715 | return snprintf(buf, WCD_CPE_IMAGE_FNAME_MAX, "%s", |
| 1716 | core->dyn_fname); |
| 1717 | } |
| 1718 | |
| 1719 | static ssize_t fw_name_store(struct wcd_cpe_core *core, |
| 1720 | const char *buf, ssize_t count) |
| 1721 | { |
| 1722 | int copy_count = count; |
| 1723 | const char *pos; |
| 1724 | |
| 1725 | pos = memchr(buf, '\n', count); |
| 1726 | if (pos) |
| 1727 | copy_count = pos - buf; |
| 1728 | |
| 1729 | if (copy_count > (WCD_CPE_IMAGE_FNAME_MAX - 1)) { |
| 1730 | dev_err(core->dev, |
| 1731 | "%s: Invalid length %d, max allowed %d\n", |
| 1732 | __func__, copy_count, WCD_CPE_IMAGE_FNAME_MAX - 1); |
| 1733 | return -EINVAL; |
| 1734 | } |
| 1735 | |
| 1736 | strlcpy(core->dyn_fname, buf, copy_count + 1); |
| 1737 | |
| 1738 | return count; |
| 1739 | } |
| 1740 | |
| 1741 | WCD_CPE_ATTR(fw_name, 0660, fw_name_show, fw_name_store); |
| 1742 | |
| 1743 | static ssize_t wcd_cpe_sysfs_show(struct kobject *kobj, |
| 1744 | struct attribute *attr, char *buf) |
| 1745 | { |
| 1746 | struct wcd_cpe_attribute *cpe_attr = to_wcd_cpe_attr(attr); |
| 1747 | struct wcd_cpe_core *core = kobj_to_cpe_core(kobj); |
| 1748 | ssize_t ret = -EINVAL; |
| 1749 | |
| 1750 | if (core && cpe_attr->show) |
| 1751 | ret = cpe_attr->show(core, buf); |
| 1752 | |
| 1753 | return ret; |
| 1754 | } |
| 1755 | |
| 1756 | static ssize_t wcd_cpe_sysfs_store(struct kobject *kobj, |
| 1757 | struct attribute *attr, const char *buf, |
| 1758 | size_t count) |
| 1759 | { |
| 1760 | struct wcd_cpe_attribute *cpe_attr = to_wcd_cpe_attr(attr); |
| 1761 | struct wcd_cpe_core *core = kobj_to_cpe_core(kobj); |
| 1762 | ssize_t ret = -EINVAL; |
| 1763 | |
| 1764 | if (core && cpe_attr->store) |
| 1765 | ret = cpe_attr->store(core, buf, count); |
| 1766 | |
| 1767 | return ret; |
| 1768 | } |
| 1769 | |
| 1770 | static const struct sysfs_ops wcd_cpe_sysfs_ops = { |
| 1771 | .show = wcd_cpe_sysfs_show, |
| 1772 | .store = wcd_cpe_sysfs_store, |
| 1773 | }; |
| 1774 | |
| 1775 | static struct kobj_type wcd_cpe_ktype = { |
| 1776 | .sysfs_ops = &wcd_cpe_sysfs_ops, |
| 1777 | }; |
| 1778 | |
| 1779 | static int wcd_cpe_sysfs_init(struct wcd_cpe_core *core, int id) |
| 1780 | { |
| 1781 | char sysfs_dir_name[WCD_CPE_SYSFS_DIR_MAX_LENGTH]; |
| 1782 | int rc = 0; |
| 1783 | |
| 1784 | snprintf(sysfs_dir_name, WCD_CPE_SYSFS_DIR_MAX_LENGTH, |
| 1785 | "%s%d", "wcd_cpe", id); |
| 1786 | |
| 1787 | rc = kobject_init_and_add(&core->cpe_kobj, &wcd_cpe_ktype, |
| 1788 | kernel_kobj, |
| 1789 | sysfs_dir_name); |
| 1790 | if (unlikely(rc)) { |
| 1791 | dev_err(core->dev, |
| 1792 | "%s: Failed to add kobject %s, err = %d\n", |
| 1793 | __func__, sysfs_dir_name, rc); |
| 1794 | goto done; |
| 1795 | } |
| 1796 | |
| 1797 | rc = sysfs_create_file(&core->cpe_kobj, &cpe_attr_fw_name.attr); |
| 1798 | if (rc) { |
| 1799 | dev_err(core->dev, |
| 1800 | "%s: Failed to fw_name sysfs entry to %s\n", |
| 1801 | __func__, sysfs_dir_name); |
| 1802 | goto fail_create_file; |
| 1803 | } |
| 1804 | |
| 1805 | return 0; |
| 1806 | |
| 1807 | fail_create_file: |
| 1808 | kobject_put(&core->cpe_kobj); |
| 1809 | done: |
| 1810 | return rc; |
| 1811 | } |
| 1812 | |
| 1813 | static ssize_t cpe_ftm_test_trigger(struct file *file, |
| 1814 | const char __user *user_buf, |
| 1815 | size_t count, loff_t *ppos) |
| 1816 | { |
| 1817 | struct wcd_cpe_core *core = file->private_data; |
| 1818 | int ret = 0; |
| 1819 | |
| 1820 | /* Enable the clks for cpe */ |
| 1821 | ret = wcd_cpe_enable_cpe_clks(core, true); |
| 1822 | if (ret < 0) { |
| 1823 | dev_err(core->dev, |
| 1824 | "%s: CPE clk enable failed, err = %d\n", |
| 1825 | __func__, ret); |
| 1826 | goto done; |
| 1827 | } |
| 1828 | |
| 1829 | /* Get the CPE_STATUS */ |
| 1830 | ret = cpe_svc_ftm_test(core->cpe_handle, &cpe_ftm_test_status); |
| 1831 | if (ret < 0) { |
| 1832 | dev_err(core->dev, |
| 1833 | "%s: CPE FTM test failed, err = %d\n", |
| 1834 | __func__, ret); |
| 1835 | if (ret == CPE_SVC_BUSY) { |
| 1836 | cpe_ftm_test_status = 1; |
| 1837 | ret = 0; |
| 1838 | } |
| 1839 | } |
| 1840 | |
| 1841 | /* Disable the clks for cpe */ |
| 1842 | ret = wcd_cpe_enable_cpe_clks(core, false); |
| 1843 | if (ret < 0) { |
| 1844 | dev_err(core->dev, |
| 1845 | "%s: CPE clk disable failed, err = %d\n", |
| 1846 | __func__, ret); |
| 1847 | } |
| 1848 | |
| 1849 | done: |
| 1850 | if (ret < 0) |
| 1851 | return ret; |
| 1852 | else |
| 1853 | return count; |
| 1854 | } |
| 1855 | |
| 1856 | static int wcd_cpe_validate_params( |
| 1857 | struct snd_soc_codec *codec, |
| 1858 | struct wcd_cpe_params *params) |
| 1859 | { |
| 1860 | |
| 1861 | if (!codec) { |
| 1862 | pr_err("%s: Invalid codec\n", __func__); |
| 1863 | return -EINVAL; |
| 1864 | } |
| 1865 | |
| 1866 | if (!params) { |
| 1867 | dev_err(codec->dev, |
| 1868 | "%s: No params supplied for codec %s\n", |
| 1869 | __func__, codec->component.name); |
| 1870 | return -EINVAL; |
| 1871 | } |
| 1872 | |
| 1873 | if (!params->codec || !params->get_cpe_core || |
| 1874 | !params->cdc_cb) { |
| 1875 | dev_err(codec->dev, |
| 1876 | "%s: Invalid params for codec %s\n", |
| 1877 | __func__, codec->component.name); |
| 1878 | return -EINVAL; |
| 1879 | } |
| 1880 | |
| 1881 | return 0; |
| 1882 | } |
| 1883 | |
| 1884 | /* |
| 1885 | * wcd_cpe_init: Initialize CPE related structures |
| 1886 | * @img_fname: filename for firmware image |
| 1887 | * @codec: handle to codec requesting for image download |
| 1888 | * @params: parameter structure passed from caller |
| 1889 | * |
| 1890 | * This API will initialize the cpe core but will not |
| 1891 | * download the image or boot the cpe core. |
| 1892 | */ |
| 1893 | struct wcd_cpe_core *wcd_cpe_init(const char *img_fname, |
| 1894 | struct snd_soc_codec *codec, |
| 1895 | struct wcd_cpe_params *params) |
| 1896 | { |
| 1897 | struct wcd_cpe_core *core; |
| 1898 | int ret = 0; |
| 1899 | struct snd_card *card = NULL; |
| 1900 | struct snd_info_entry *entry = NULL; |
| 1901 | char proc_name[WCD_CPE_STATE_MAX_LEN]; |
| 1902 | const char *cpe_name = "cpe"; |
| 1903 | const char *state_name = "_state"; |
| 1904 | const struct cpe_svc_hw_cfg *hw_info; |
| 1905 | int id = 0; |
| 1906 | |
| 1907 | if (wcd_cpe_validate_params(codec, params)) |
| 1908 | return NULL; |
| 1909 | |
| 1910 | core = kzalloc(sizeof(struct wcd_cpe_core), GFP_KERNEL); |
| 1911 | if (!core) |
| 1912 | return NULL; |
| 1913 | |
| 1914 | snprintf(core->fname, sizeof(core->fname), "%s", img_fname); |
| 1915 | strlcpy(core->dyn_fname, core->fname, WCD_CPE_IMAGE_FNAME_MAX); |
| 1916 | |
| 1917 | wcd_get_cpe_core = params->get_cpe_core; |
| 1918 | |
| 1919 | core->codec = params->codec; |
| 1920 | core->dev = params->codec->dev; |
| 1921 | core->cpe_debug_mode = params->dbg_mode; |
| 1922 | |
| 1923 | core->cdc_info.major_version = params->cdc_major_ver; |
| 1924 | core->cdc_info.minor_version = params->cdc_minor_ver; |
| 1925 | core->cdc_info.id = params->cdc_id; |
| 1926 | |
| 1927 | core->cpe_cdc_cb = params->cdc_cb; |
| 1928 | |
| 1929 | memcpy(&core->irq_info, ¶ms->cdc_irq_info, |
| 1930 | sizeof(core->irq_info)); |
| 1931 | |
| 1932 | INIT_WORK(&core->load_fw_work, wcd_cpe_load_fw_image); |
| 1933 | INIT_WORK(&core->ssr_work, wcd_cpe_ssr_work); |
| 1934 | init_completion(&core->offline_compl); |
| 1935 | init_completion(&core->ready_compl); |
| 1936 | init_completion(&core->online_compl); |
| 1937 | init_waitqueue_head(&core->ssr_entry.offline_poll_wait); |
| 1938 | mutex_init(&core->ssr_lock); |
| 1939 | core->cpe_users = 0; |
| 1940 | core->cpe_clk_ref = 0; |
| 1941 | |
| 1942 | /* |
| 1943 | * By default, during probe, it is assumed that |
| 1944 | * both CPE hardware block and underlying bus to codec |
| 1945 | * are ready |
| 1946 | */ |
| 1947 | core->ready_status = WCD_CPE_READY_TO_DLOAD; |
| 1948 | |
| 1949 | core->cpe_handle = cpe_svc_initialize(NULL, &core->cdc_info, |
| 1950 | params->cpe_svc_params); |
| 1951 | if (!core->cpe_handle) { |
| 1952 | dev_err(core->dev, |
| 1953 | "%s: failed to initialize cpe services\n", |
| 1954 | __func__); |
| 1955 | goto fail_cpe_initialize; |
| 1956 | } |
| 1957 | |
| 1958 | core->cpe_reg_handle = cpe_svc_register(core->cpe_handle, |
| 1959 | wcd_cpe_svc_event_cb, |
| 1960 | CPE_SVC_ONLINE | CPE_SVC_OFFLINE | |
| 1961 | CPE_SVC_BOOT | |
| 1962 | CPE_SVC_CMI_CLIENTS_DEREG, |
| 1963 | "codec cpe handler"); |
| 1964 | if (!core->cpe_reg_handle) { |
| 1965 | dev_err(core->dev, |
| 1966 | "%s: failed to register cpe service\n", |
| 1967 | __func__); |
| 1968 | goto fail_cpe_register; |
| 1969 | } |
| 1970 | |
| 1971 | card = codec->component.card->snd_card; |
| 1972 | snprintf(proc_name, (sizeof("cpe") + sizeof("_state") + |
| 1973 | sizeof(id) - 2), "%s%d%s", cpe_name, id, state_name); |
| 1974 | entry = snd_info_create_card_entry(card, proc_name, |
| 1975 | card->proc_root); |
| 1976 | if (entry) { |
| 1977 | core->ssr_entry.entry = entry; |
| 1978 | core->ssr_entry.offline = 1; |
| 1979 | entry->size = WCD_CPE_STATE_MAX_LEN; |
| 1980 | entry->content = SNDRV_INFO_CONTENT_DATA; |
| 1981 | entry->c.ops = &wcd_cpe_state_proc_ops; |
| 1982 | entry->private_data = core; |
| 1983 | ret = snd_info_register(entry); |
| 1984 | if (ret < 0) { |
| 1985 | dev_err(core->dev, |
| 1986 | "%s: snd_info_register failed (%d)\n", |
| 1987 | __func__, ret); |
| 1988 | snd_info_free_entry(entry); |
| 1989 | entry = NULL; |
| 1990 | } |
| 1991 | } else { |
| 1992 | dev_err(core->dev, |
| 1993 | "%s: Failed to create CPE SSR status entry\n", |
| 1994 | __func__); |
| 1995 | /* |
| 1996 | * Even if SSR entry creation fails, continue |
| 1997 | * with image download |
| 1998 | */ |
| 1999 | } |
| 2000 | |
| 2001 | core_d = core; |
| 2002 | ret = wcd_cpe_cal_init(core); |
| 2003 | if (ret < 0) { |
| 2004 | dev_err(core->dev, |
| 2005 | "%s: CPE calibration init failed, err = %d\n", |
| 2006 | __func__, ret); |
| 2007 | goto fail_cpe_reset; |
| 2008 | } |
| 2009 | |
| 2010 | wcd_cpe_debugfs_init(core); |
| 2011 | |
| 2012 | wcd_cpe_sysfs_init(core, id); |
| 2013 | |
| 2014 | hw_info = cpe_svc_get_hw_cfg(core->cpe_handle); |
| 2015 | if (!hw_info) { |
| 2016 | dev_err(core->dev, |
| 2017 | "%s: hw info not available\n", |
| 2018 | __func__); |
| 2019 | goto schedule_dload_work; |
| 2020 | } else { |
| 2021 | core->hw_info.dram_offset = hw_info->DRAM_offset; |
| 2022 | core->hw_info.dram_size = hw_info->DRAM_size; |
| 2023 | core->hw_info.iram_offset = hw_info->IRAM_offset; |
| 2024 | core->hw_info.iram_size = hw_info->IRAM_size; |
| 2025 | } |
| 2026 | |
| 2027 | /* Setup the ramdump device and buffer */ |
| 2028 | core->cpe_ramdump_dev = create_ramdump_device("cpe", |
| 2029 | core->dev); |
| 2030 | if (!core->cpe_ramdump_dev) { |
| 2031 | dev_err(core->dev, |
| 2032 | "%s: Failed to create ramdump device\n", |
| 2033 | __func__); |
| 2034 | goto schedule_dload_work; |
| 2035 | } |
| 2036 | |
| 2037 | arch_setup_dma_ops(core->dev, 0, 0, NULL, 0); |
| 2038 | core->cpe_dump_v_addr = dma_alloc_coherent(core->dev, |
| 2039 | core->hw_info.dram_size, |
| 2040 | &core->cpe_dump_addr, |
| 2041 | GFP_KERNEL); |
| 2042 | if (!core->cpe_dump_v_addr) { |
| 2043 | dev_err(core->dev, |
| 2044 | "%s: Failed to alloc memory for cpe dump, size = %zd\n", |
| 2045 | __func__, core->hw_info.dram_size); |
| 2046 | goto schedule_dload_work; |
| 2047 | } else { |
| 2048 | memset(core->cpe_dump_v_addr, 0, core->hw_info.dram_size); |
| 2049 | } |
| 2050 | |
| 2051 | schedule_dload_work: |
| 2052 | core->ssr_type = WCD_CPE_INITIALIZED; |
| 2053 | schedule_work(&core->load_fw_work); |
| 2054 | return core; |
| 2055 | |
| 2056 | fail_cpe_reset: |
| 2057 | cpe_svc_deregister(core->cpe_handle, core->cpe_reg_handle); |
| 2058 | |
| 2059 | fail_cpe_register: |
| 2060 | cpe_svc_deinitialize(core->cpe_handle); |
| 2061 | |
| 2062 | fail_cpe_initialize: |
| 2063 | kfree(core); |
| 2064 | return NULL; |
| 2065 | } |
| 2066 | EXPORT_SYMBOL(wcd_cpe_init); |
| 2067 | |
| 2068 | /* |
| 2069 | * wcd_cpe_cmi_lsm_callback: callback called from cpe services |
| 2070 | * to notify command response for lsm |
| 2071 | * service |
| 2072 | * @param: param containing the response code and status |
| 2073 | * |
| 2074 | * This callback is registered with cpe services while registering |
| 2075 | * the LSM service |
| 2076 | */ |
| 2077 | static void wcd_cpe_cmi_lsm_callback(const struct cmi_api_notification *param) |
| 2078 | { |
| 2079 | struct cmi_hdr *hdr; |
| 2080 | struct cpe_lsm_session *lsm_session; |
| 2081 | u8 session_id; |
| 2082 | |
| 2083 | if (!param) { |
| 2084 | pr_err("%s: param is null\n", __func__); |
| 2085 | return; |
| 2086 | } |
| 2087 | |
| 2088 | if (param->event != CMI_API_MSG) { |
| 2089 | pr_err("%s: unhandled event 0x%x\n", __func__, param->event); |
| 2090 | return; |
| 2091 | } |
| 2092 | |
| 2093 | hdr = (struct cmi_hdr *) param->message; |
| 2094 | session_id = CMI_HDR_GET_SESSION_ID(hdr); |
| 2095 | |
| 2096 | if (session_id > WCD_CPE_LSM_MAX_SESSIONS) { |
| 2097 | pr_err("%s: invalid lsm session id = %d\n", |
| 2098 | __func__, session_id); |
| 2099 | return; |
| 2100 | } |
| 2101 | |
| 2102 | lsm_session = lsm_sessions[session_id]; |
| 2103 | |
| 2104 | if (hdr->opcode == CPE_CMI_BASIC_RSP_OPCODE) { |
| 2105 | |
| 2106 | u8 *payload = ((u8 *)param->message) + (sizeof(struct cmi_hdr)); |
| 2107 | u8 result = payload[0]; |
| 2108 | |
| 2109 | lsm_session->cmd_err_code = result; |
| 2110 | complete(&lsm_session->cmd_comp); |
| 2111 | |
| 2112 | } else if (hdr->opcode == CPE_LSM_SESSION_CMDRSP_SHARED_MEM_ALLOC) { |
| 2113 | |
| 2114 | struct cpe_cmdrsp_shmem_alloc *cmdrsp_shmem_alloc = |
| 2115 | (struct cpe_cmdrsp_shmem_alloc *) param->message; |
| 2116 | |
| 2117 | if (cmdrsp_shmem_alloc->addr == 0) { |
| 2118 | pr_err("%s: Failed LSM shared mem alloc\n", __func__); |
| 2119 | lsm_session->cmd_err_code = CMI_SHMEM_ALLOC_FAILED; |
| 2120 | |
| 2121 | } else { |
| 2122 | |
| 2123 | pr_debug("%s LSM shared mem addr = 0x%x\n", |
| 2124 | __func__, cmdrsp_shmem_alloc->addr); |
| 2125 | lsm_session->lsm_mem_handle = cmdrsp_shmem_alloc->addr; |
| 2126 | lsm_session->cmd_err_code = 0; |
| 2127 | } |
| 2128 | |
| 2129 | complete(&lsm_session->cmd_comp); |
| 2130 | |
| 2131 | } else if (hdr->opcode == CPE_LSM_SESSION_EVENT_DETECTION_STATUS_V2) { |
| 2132 | |
| 2133 | struct cpe_lsm_event_detect_v2 *event_detect_v2 = |
| 2134 | (struct cpe_lsm_event_detect_v2 *) param->message; |
| 2135 | |
| 2136 | if (!lsm_session->priv_d) { |
| 2137 | pr_err("%s: private data is not present\n", |
| 2138 | __func__); |
| 2139 | return; |
| 2140 | } |
| 2141 | |
| 2142 | pr_debug("%s: event payload, status = %u, size = %u\n", |
| 2143 | __func__, event_detect_v2->detection_status, |
| 2144 | event_detect_v2->size); |
| 2145 | |
| 2146 | if (lsm_session->event_cb) |
| 2147 | lsm_session->event_cb( |
| 2148 | lsm_session->priv_d, |
| 2149 | event_detect_v2->detection_status, |
| 2150 | event_detect_v2->size, |
| 2151 | event_detect_v2->payload); |
| 2152 | } |
| 2153 | } |
| 2154 | |
| 2155 | /* |
| 2156 | * wcd_cpe_cmi_send_lsm_msg: send a message to lsm service |
| 2157 | * @core: handle to cpe core |
| 2158 | * @session: session on which to send the message |
| 2159 | * @message: actual message containing header and payload |
| 2160 | * |
| 2161 | * Sends message to lsm service for specified session and wait |
| 2162 | * for response back on the message. |
| 2163 | * should be called after acquiring session specific mutex |
| 2164 | */ |
| 2165 | static int wcd_cpe_cmi_send_lsm_msg( |
| 2166 | struct wcd_cpe_core *core, |
| 2167 | struct cpe_lsm_session *session, |
| 2168 | void *message) |
| 2169 | { |
| 2170 | int ret = 0; |
| 2171 | struct cmi_hdr *hdr = message; |
| 2172 | |
| 2173 | pr_debug("%s: sending message with opcode 0x%x\n", |
| 2174 | __func__, hdr->opcode); |
| 2175 | |
| 2176 | if (unlikely(!wcd_cpe_is_online_state(core))) { |
| 2177 | dev_err(core->dev, |
| 2178 | "%s: MSG not sent, CPE offline\n", |
| 2179 | __func__); |
| 2180 | goto done; |
| 2181 | } |
| 2182 | |
| 2183 | if (CMI_HDR_GET_OBM_FLAG(hdr)) |
| 2184 | wcd_cpe_bus_vote_max_bw(core, true); |
| 2185 | |
| 2186 | reinit_completion(&session->cmd_comp); |
| 2187 | ret = cmi_send_msg(message); |
| 2188 | if (ret) { |
| 2189 | pr_err("%s: msg opcode (0x%x) send failed (%d)\n", |
| 2190 | __func__, hdr->opcode, ret); |
| 2191 | goto rel_bus_vote; |
| 2192 | } |
| 2193 | |
| 2194 | ret = wait_for_completion_timeout(&session->cmd_comp, |
| 2195 | CMI_CMD_TIMEOUT); |
| 2196 | if (ret > 0) { |
| 2197 | pr_debug("%s: command 0x%x, received response 0x%x\n", |
| 2198 | __func__, hdr->opcode, session->cmd_err_code); |
| 2199 | if (session->cmd_err_code == CMI_SHMEM_ALLOC_FAILED) |
| 2200 | session->cmd_err_code = CPE_ENOMEMORY; |
| 2201 | if (session->cmd_err_code > 0) |
| 2202 | pr_err("%s: CPE returned error[%s]\n", |
| 2203 | __func__, cpe_err_get_err_str( |
| 2204 | session->cmd_err_code)); |
| 2205 | ret = cpe_err_get_lnx_err_code(session->cmd_err_code); |
| 2206 | goto rel_bus_vote; |
| 2207 | } else { |
| 2208 | pr_err("%s: command (0x%x) send timed out\n", |
| 2209 | __func__, hdr->opcode); |
| 2210 | ret = -ETIMEDOUT; |
| 2211 | goto rel_bus_vote; |
| 2212 | } |
| 2213 | |
| 2214 | |
| 2215 | rel_bus_vote: |
| 2216 | |
| 2217 | if (CMI_HDR_GET_OBM_FLAG(hdr)) |
| 2218 | wcd_cpe_bus_vote_max_bw(core, false); |
| 2219 | |
| 2220 | done: |
| 2221 | return ret; |
| 2222 | } |
| 2223 | |
| 2224 | |
| 2225 | /* |
| 2226 | * fill_cmi_header: fill the cmi header with specified values |
| 2227 | * |
| 2228 | * @hdr: header to be updated with values |
| 2229 | * @session_id: session id of the header, |
| 2230 | * in case of AFE service it is port_id |
| 2231 | * @service_id: afe/lsm, etc |
| 2232 | * @version: update the version field in header |
| 2233 | * @payload_size: size of the payload following after header |
| 2234 | * @opcode: opcode of the message |
| 2235 | * @obm_flag: indicates if this header is for obm message |
| 2236 | * |
| 2237 | */ |
| 2238 | static int fill_cmi_header(struct cmi_hdr *hdr, |
| 2239 | u8 session_id, u8 service_id, |
| 2240 | bool version, u8 payload_size, |
| 2241 | u16 opcode, bool obm_flag) |
| 2242 | { |
| 2243 | /* sanitize the data */ |
| 2244 | if (!IS_VALID_SESSION_ID(session_id) || |
| 2245 | !IS_VALID_SERVICE_ID(service_id) || |
| 2246 | !IS_VALID_PLD_SIZE(payload_size)) { |
| 2247 | pr_err("Invalid header creation request\n"); |
| 2248 | return -EINVAL; |
| 2249 | } |
| 2250 | |
| 2251 | CMI_HDR_SET_SESSION(hdr, session_id); |
| 2252 | CMI_HDR_SET_SERVICE(hdr, service_id); |
| 2253 | if (version) |
| 2254 | CMI_HDR_SET_VERSION(hdr, 1); |
| 2255 | else |
| 2256 | CMI_HDR_SET_VERSION(hdr, 0); |
| 2257 | |
| 2258 | CMI_HDR_SET_PAYLOAD_SIZE(hdr, payload_size); |
| 2259 | |
| 2260 | hdr->opcode = opcode; |
| 2261 | |
| 2262 | if (obm_flag) |
| 2263 | CMI_HDR_SET_OBM(hdr, CMI_OBM_FLAG_OUT_BAND); |
| 2264 | else |
| 2265 | CMI_HDR_SET_OBM(hdr, CMI_OBM_FLAG_IN_BAND); |
| 2266 | |
| 2267 | return 0; |
| 2268 | } |
| 2269 | |
| 2270 | /* |
| 2271 | * fill_lsm_cmd_header_v0_inband: |
| 2272 | * Given the header, fill the header with information |
| 2273 | * for lsm service, version 0 and inband message |
| 2274 | * @hdr: the cmi header to be filled. |
| 2275 | * @session_id: ID for the lsm session |
| 2276 | * @payload_size: size for cmi message payload |
| 2277 | * @opcode: opcode for cmi message |
| 2278 | */ |
| 2279 | static int fill_lsm_cmd_header_v0_inband(struct cmi_hdr *hdr, |
| 2280 | u8 session_id, u8 payload_size, u16 opcode) |
| 2281 | { |
| 2282 | return fill_cmi_header(hdr, session_id, |
| 2283 | CMI_CPE_LSM_SERVICE_ID, false, |
| 2284 | payload_size, opcode, false); |
| 2285 | } |
| 2286 | |
| 2287 | /* |
| 2288 | * wcd_cpe_is_valid_lsm_session: |
| 2289 | * Check session parameters to identify validity for the sesion |
| 2290 | * @core: handle to cpe core |
| 2291 | * @session: handle to the lsm session |
| 2292 | * @func: invoking function to be printed in error logs |
| 2293 | */ |
| 2294 | static int wcd_cpe_is_valid_lsm_session(struct wcd_cpe_core *core, |
| 2295 | struct cpe_lsm_session *session, |
| 2296 | const char *func) |
| 2297 | { |
| 2298 | if (unlikely(IS_ERR_OR_NULL(core))) { |
| 2299 | pr_err("%s: invalid handle to core\n", |
| 2300 | func); |
| 2301 | return -EINVAL; |
| 2302 | } |
| 2303 | |
| 2304 | if (unlikely(IS_ERR_OR_NULL(session))) { |
| 2305 | dev_err(core->dev, "%s: invalid session\n", |
| 2306 | func); |
| 2307 | return -EINVAL; |
| 2308 | } |
| 2309 | |
| 2310 | if (session->id > WCD_CPE_LSM_MAX_SESSIONS) { |
| 2311 | dev_err(core->dev, "%s: invalid session id (%u)\n", |
| 2312 | func, session->id); |
| 2313 | return -EINVAL; |
| 2314 | } |
| 2315 | |
| 2316 | dev_dbg(core->dev, "%s: session_id = %u\n", |
| 2317 | func, session->id); |
| 2318 | return 0; |
| 2319 | } |
| 2320 | |
| 2321 | static int wcd_cpe_cmd_lsm_open_tx_v2( |
| 2322 | struct wcd_cpe_core *core, |
| 2323 | struct cpe_lsm_session *session) |
| 2324 | { |
| 2325 | struct cpe_lsm_cmd_open_tx_v2 cmd_open_tx_v2; |
| 2326 | struct cal_block_data *top_cal = NULL; |
| 2327 | struct audio_cal_info_lsm_top *lsm_top; |
| 2328 | int ret = 0; |
| 2329 | |
| 2330 | ret = wcd_cpe_is_valid_lsm_session(core, session, |
| 2331 | __func__); |
| 2332 | if (ret) |
| 2333 | return ret; |
| 2334 | |
| 2335 | if (core->cal_data[WCD_CPE_LSM_CAL_TOPOLOGY_ID] == NULL) { |
| 2336 | dev_err(core->dev, |
| 2337 | "%s: LSM_TOPOLOGY cal not allocated!\n", |
| 2338 | __func__); |
| 2339 | return -EINVAL; |
| 2340 | } |
| 2341 | |
| 2342 | mutex_lock(&core->cal_data[WCD_CPE_LSM_CAL_TOPOLOGY_ID]->lock); |
| 2343 | top_cal = cal_utils_get_only_cal_block( |
| 2344 | core->cal_data[WCD_CPE_LSM_CAL_TOPOLOGY_ID]); |
| 2345 | if (!top_cal) { |
| 2346 | dev_err(core->dev, |
| 2347 | "%s: Failed to get LSM TOPOLOGY cal block\n", |
| 2348 | __func__); |
| 2349 | ret = -EINVAL; |
| 2350 | goto unlock_cal_mutex; |
| 2351 | } |
| 2352 | |
| 2353 | lsm_top = (struct audio_cal_info_lsm_top *) |
| 2354 | top_cal->cal_info; |
| 2355 | |
| 2356 | if (!lsm_top) { |
| 2357 | dev_err(core->dev, |
| 2358 | "%s: cal_info for LSM_TOPOLOGY not found\n", |
| 2359 | __func__); |
| 2360 | ret = -EINVAL; |
| 2361 | goto unlock_cal_mutex; |
| 2362 | } |
| 2363 | |
| 2364 | dev_dbg(core->dev, |
| 2365 | "%s: topology_id = 0x%x, acdb_id = 0x%x, app_type = 0x%x\n", |
| 2366 | __func__, lsm_top->topology, lsm_top->acdb_id, |
| 2367 | lsm_top->app_type); |
| 2368 | |
| 2369 | if (lsm_top->topology == 0) { |
| 2370 | dev_err(core->dev, |
| 2371 | "%s: topology id not sent for app_type 0x%x\n", |
| 2372 | __func__, lsm_top->app_type); |
| 2373 | ret = -EINVAL; |
| 2374 | goto unlock_cal_mutex; |
| 2375 | } |
| 2376 | |
| 2377 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 2378 | |
| 2379 | memset(&cmd_open_tx_v2, 0, sizeof(struct cpe_lsm_cmd_open_tx_v2)); |
| 2380 | if (fill_lsm_cmd_header_v0_inband(&cmd_open_tx_v2.hdr, |
| 2381 | session->id, OPEN_V2_CMD_PAYLOAD_SIZE, |
| 2382 | CPE_LSM_SESSION_CMD_OPEN_TX_V2)) { |
| 2383 | ret = -EINVAL; |
| 2384 | goto end_ret; |
| 2385 | } |
| 2386 | |
| 2387 | cmd_open_tx_v2.topology_id = lsm_top->topology; |
| 2388 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &cmd_open_tx_v2); |
| 2389 | if (ret) |
| 2390 | dev_err(core->dev, |
| 2391 | "%s: failed to send open_tx_v2 cmd, err = %d\n", |
| 2392 | __func__, ret); |
| 2393 | else |
| 2394 | session->is_topology_used = true; |
| 2395 | end_ret: |
| 2396 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 2397 | |
| 2398 | unlock_cal_mutex: |
| 2399 | mutex_unlock(&core->cal_data[WCD_CPE_LSM_CAL_TOPOLOGY_ID]->lock); |
| 2400 | return ret; |
| 2401 | } |
| 2402 | |
| 2403 | /* |
| 2404 | * wcd_cpe_cmd_lsm_open_tx: compose and send lsm open command |
| 2405 | * @core_handle: handle to cpe core |
| 2406 | * @session: session for which the command needs to be sent |
| 2407 | * @app_id: application id part of the command |
| 2408 | * @sample_rate: sample rate for this session |
| 2409 | */ |
| 2410 | static int wcd_cpe_cmd_lsm_open_tx(void *core_handle, |
| 2411 | struct cpe_lsm_session *session, |
| 2412 | u16 app_id, u16 sample_rate) |
| 2413 | { |
| 2414 | struct cpe_lsm_cmd_open_tx cmd_open_tx; |
| 2415 | struct wcd_cpe_core *core = core_handle; |
| 2416 | int ret = 0; |
| 2417 | |
| 2418 | ret = wcd_cpe_is_valid_lsm_session(core, session, |
| 2419 | __func__); |
| 2420 | if (ret) |
| 2421 | return ret; |
| 2422 | |
| 2423 | /* Try to open with topology first */ |
| 2424 | ret = wcd_cpe_cmd_lsm_open_tx_v2(core, session); |
| 2425 | if (!ret) |
| 2426 | goto done; |
| 2427 | |
| 2428 | dev_dbg(core->dev, "%s: Try open_tx without topology\n", |
| 2429 | __func__); |
| 2430 | |
| 2431 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 2432 | |
| 2433 | memset(&cmd_open_tx, 0, sizeof(struct cpe_lsm_cmd_open_tx)); |
| 2434 | if (fill_lsm_cmd_header_v0_inband(&cmd_open_tx.hdr, |
| 2435 | session->id, OPEN_CMD_PAYLOAD_SIZE, |
| 2436 | CPE_LSM_SESSION_CMD_OPEN_TX)) { |
| 2437 | ret = -EINVAL; |
| 2438 | goto end_ret; |
| 2439 | } |
| 2440 | |
| 2441 | cmd_open_tx.app_id = app_id; |
| 2442 | cmd_open_tx.sampling_rate = sample_rate; |
| 2443 | |
| 2444 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &cmd_open_tx); |
| 2445 | if (ret) |
| 2446 | dev_err(core->dev, |
| 2447 | "%s: failed to send open_tx cmd, err = %d\n", |
| 2448 | __func__, ret); |
| 2449 | end_ret: |
| 2450 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 2451 | done: |
| 2452 | return ret; |
| 2453 | } |
| 2454 | |
| 2455 | /* |
| 2456 | * wcd_cpe_cmd_close_tx: compose and send lsm close command |
| 2457 | * @core_handle: handle to cpe core |
| 2458 | * @session: session for which the command needs to be sent |
| 2459 | */ |
| 2460 | static int wcd_cpe_cmd_lsm_close_tx(void *core_handle, |
| 2461 | struct cpe_lsm_session *session) |
| 2462 | { |
| 2463 | struct cmi_hdr cmd_close_tx; |
| 2464 | struct wcd_cpe_core *core = core_handle; |
| 2465 | int ret = 0; |
| 2466 | |
| 2467 | ret = wcd_cpe_is_valid_lsm_session(core, session, |
| 2468 | __func__); |
| 2469 | if (ret) |
| 2470 | return ret; |
| 2471 | |
| 2472 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 2473 | |
| 2474 | memset(&cmd_close_tx, 0, sizeof(cmd_close_tx)); |
| 2475 | if (fill_lsm_cmd_header_v0_inband(&cmd_close_tx, session->id, |
| 2476 | 0, CPE_LSM_SESSION_CMD_CLOSE_TX)) { |
| 2477 | ret = -EINVAL; |
| 2478 | goto end_ret; |
| 2479 | } |
| 2480 | |
| 2481 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &cmd_close_tx); |
| 2482 | if (ret) |
| 2483 | dev_err(core->dev, |
| 2484 | "%s: lsm close_tx cmd failed, err = %d\n", |
| 2485 | __func__, ret); |
| 2486 | else |
| 2487 | session->is_topology_used = false; |
| 2488 | end_ret: |
| 2489 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 2490 | return ret; |
| 2491 | } |
| 2492 | |
| 2493 | /* |
| 2494 | * wcd_cpe_cmd_shmem_alloc: compose and send lsm shared |
| 2495 | * memory allocation command |
| 2496 | * @core_handle: handle to cpe core |
| 2497 | * @session: session for which the command needs to be sent |
| 2498 | * @size: size of memory to be allocated |
| 2499 | */ |
| 2500 | static int wcd_cpe_cmd_lsm_shmem_alloc(void *core_handle, |
| 2501 | struct cpe_lsm_session *session, |
| 2502 | u32 size) |
| 2503 | { |
| 2504 | struct cpe_cmd_shmem_alloc cmd_shmem_alloc; |
| 2505 | struct wcd_cpe_core *core = core_handle; |
| 2506 | int ret = 0; |
| 2507 | |
| 2508 | ret = wcd_cpe_is_valid_lsm_session(core, session, |
| 2509 | __func__); |
| 2510 | if (ret) |
| 2511 | return ret; |
| 2512 | |
| 2513 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 2514 | |
| 2515 | memset(&cmd_shmem_alloc, 0, sizeof(cmd_shmem_alloc)); |
| 2516 | if (fill_lsm_cmd_header_v0_inband(&cmd_shmem_alloc.hdr, session->id, |
| 2517 | SHMEM_ALLOC_CMD_PLD_SIZE, |
| 2518 | CPE_LSM_SESSION_CMD_SHARED_MEM_ALLOC)) { |
| 2519 | ret = -EINVAL; |
| 2520 | goto end_ret; |
| 2521 | } |
| 2522 | |
| 2523 | cmd_shmem_alloc.size = size; |
| 2524 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &cmd_shmem_alloc); |
| 2525 | if (ret) |
| 2526 | dev_err(core->dev, |
| 2527 | "%s: lsm_shmem_alloc cmd send fail, %d\n", |
| 2528 | __func__, ret); |
| 2529 | end_ret: |
| 2530 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 2531 | return ret; |
| 2532 | } |
| 2533 | |
| 2534 | /* |
| 2535 | * wcd_cpe_cmd_lsm_shmem_dealloc: deallocate the shared memory |
| 2536 | * for the specified session |
| 2537 | * @core_handle: handle to cpe core |
| 2538 | * @session: session for which memory needs to be deallocated. |
| 2539 | */ |
| 2540 | static int wcd_cpe_cmd_lsm_shmem_dealloc(void *core_handle, |
| 2541 | struct cpe_lsm_session *session) |
| 2542 | { |
| 2543 | struct cpe_cmd_shmem_dealloc cmd_dealloc; |
| 2544 | struct wcd_cpe_core *core = core_handle; |
| 2545 | int ret = 0; |
| 2546 | |
| 2547 | ret = wcd_cpe_is_valid_lsm_session(core, session, |
| 2548 | __func__); |
| 2549 | if (ret) |
| 2550 | return ret; |
| 2551 | |
| 2552 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 2553 | |
| 2554 | memset(&cmd_dealloc, 0, sizeof(cmd_dealloc)); |
| 2555 | if (fill_lsm_cmd_header_v0_inband(&cmd_dealloc.hdr, session->id, |
| 2556 | SHMEM_DEALLOC_CMD_PLD_SIZE, |
| 2557 | CPE_LSM_SESSION_CMD_SHARED_MEM_DEALLOC)) { |
| 2558 | ret = -EINVAL; |
| 2559 | goto end_ret; |
| 2560 | } |
| 2561 | |
| 2562 | cmd_dealloc.addr = session->lsm_mem_handle; |
| 2563 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &cmd_dealloc); |
| 2564 | if (ret) { |
| 2565 | dev_err(core->dev, |
| 2566 | "%s: lsm_shmem_dealloc cmd failed, rc %d\n", |
| 2567 | __func__, ret); |
| 2568 | goto end_ret; |
| 2569 | } |
| 2570 | |
| 2571 | memset(&session->lsm_mem_handle, 0, |
| 2572 | sizeof(session->lsm_mem_handle)); |
| 2573 | |
| 2574 | end_ret: |
| 2575 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 2576 | return ret; |
| 2577 | } |
| 2578 | |
| 2579 | /* |
| 2580 | * wcd_cpe_send_lsm_cal: send the calibration for lsm service |
| 2581 | * from acdb to the cpe |
| 2582 | * @core: handle to cpe core |
| 2583 | * @session: session for which the calibration needs to be set. |
| 2584 | */ |
| 2585 | static int wcd_cpe_send_lsm_cal( |
| 2586 | struct wcd_cpe_core *core, |
| 2587 | struct cpe_lsm_session *session) |
| 2588 | { |
| 2589 | |
| 2590 | u8 *msg_pld; |
| 2591 | struct cmi_hdr *hdr; |
| 2592 | struct cal_block_data *lsm_cal = NULL; |
| 2593 | void *inb_msg; |
| 2594 | int rc = 0; |
| 2595 | |
| 2596 | if (core->cal_data[WCD_CPE_LSM_CAL_LSM] == NULL) { |
| 2597 | pr_err("%s: LSM cal not allocated!\n", __func__); |
| 2598 | return -EINVAL; |
| 2599 | } |
| 2600 | |
| 2601 | mutex_lock(&core->cal_data[WCD_CPE_LSM_CAL_LSM]->lock); |
| 2602 | lsm_cal = cal_utils_get_only_cal_block( |
| 2603 | core->cal_data[WCD_CPE_LSM_CAL_LSM]); |
| 2604 | if (!lsm_cal) { |
| 2605 | pr_err("%s: failed to get lsm cal block\n", __func__); |
| 2606 | rc = -EINVAL; |
| 2607 | goto unlock_cal_mutex; |
| 2608 | } |
| 2609 | |
| 2610 | if (lsm_cal->cal_data.size == 0) { |
| 2611 | dev_dbg(core->dev, "%s: No LSM cal to send\n", |
| 2612 | __func__); |
| 2613 | rc = 0; |
| 2614 | goto unlock_cal_mutex; |
| 2615 | } |
| 2616 | |
| 2617 | inb_msg = kzalloc(sizeof(struct cmi_hdr) + lsm_cal->cal_data.size, |
| 2618 | GFP_KERNEL); |
| 2619 | if (!inb_msg) { |
| 2620 | rc = -ENOMEM; |
| 2621 | goto unlock_cal_mutex; |
| 2622 | } |
| 2623 | |
| 2624 | hdr = (struct cmi_hdr *) inb_msg; |
| 2625 | |
| 2626 | rc = fill_lsm_cmd_header_v0_inband(hdr, session->id, |
| 2627 | lsm_cal->cal_data.size, |
| 2628 | CPE_LSM_SESSION_CMD_SET_PARAMS); |
| 2629 | if (rc) { |
| 2630 | pr_err("%s: invalid params for header, err = %d\n", |
| 2631 | __func__, rc); |
| 2632 | goto free_msg; |
| 2633 | } |
| 2634 | |
| 2635 | msg_pld = ((u8 *) inb_msg) + sizeof(struct cmi_hdr); |
| 2636 | memcpy(msg_pld, lsm_cal->cal_data.kvaddr, |
| 2637 | lsm_cal->cal_data.size); |
| 2638 | |
| 2639 | rc = wcd_cpe_cmi_send_lsm_msg(core, session, inb_msg); |
| 2640 | if (rc) |
| 2641 | pr_err("%s: acdb lsm_params send failed, err = %d\n", |
| 2642 | __func__, rc); |
| 2643 | |
| 2644 | free_msg: |
| 2645 | kfree(inb_msg); |
| 2646 | |
| 2647 | unlock_cal_mutex: |
| 2648 | mutex_unlock(&core->cal_data[WCD_CPE_LSM_CAL_LSM]->lock); |
| 2649 | return rc; |
| 2650 | |
| 2651 | } |
| 2652 | |
| 2653 | static void wcd_cpe_set_param_data(struct cpe_param_data *param_d, |
| 2654 | struct cpe_lsm_ids *ids, u32 p_size, |
| 2655 | u32 set_param_cmd) |
| 2656 | { |
| 2657 | param_d->module_id = ids->module_id; |
| 2658 | param_d->param_id = ids->param_id; |
| 2659 | |
| 2660 | switch (set_param_cmd) { |
| 2661 | case CPE_LSM_SESSION_CMD_SET_PARAMS_V2: |
| 2662 | param_d->p_size.param_size = p_size; |
| 2663 | break; |
| 2664 | case CPE_LSM_SESSION_CMD_SET_PARAMS: |
| 2665 | default: |
| 2666 | param_d->p_size.sr.param_size = |
| 2667 | (u16) p_size; |
| 2668 | param_d->p_size.sr.reserved = 0; |
| 2669 | break; |
| 2670 | } |
| 2671 | } |
| 2672 | |
| 2673 | static int wcd_cpe_send_param_epd_thres(struct wcd_cpe_core *core, |
| 2674 | struct cpe_lsm_session *session, |
| 2675 | void *data, struct cpe_lsm_ids *ids) |
| 2676 | { |
| 2677 | struct snd_lsm_ep_det_thres *ep_det_data; |
| 2678 | struct cpe_lsm_param_epd_thres epd_cmd; |
| 2679 | struct cmi_hdr *msg_hdr = &epd_cmd.hdr; |
| 2680 | struct cpe_param_data *param_d = |
| 2681 | &epd_cmd.param; |
| 2682 | int rc; |
| 2683 | |
| 2684 | memset(&epd_cmd, 0, sizeof(epd_cmd)); |
| 2685 | ep_det_data = (struct snd_lsm_ep_det_thres *) data; |
| 2686 | if (fill_lsm_cmd_header_v0_inband(msg_hdr, |
| 2687 | session->id, |
| 2688 | CPE_CMD_EPD_THRES_PLD_SIZE, |
| 2689 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2)) { |
| 2690 | rc = -EINVAL; |
| 2691 | goto err_ret; |
| 2692 | } |
| 2693 | |
| 2694 | wcd_cpe_set_param_data(param_d, ids, |
| 2695 | CPE_EPD_THRES_PARAM_SIZE, |
| 2696 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2); |
| 2697 | |
| 2698 | epd_cmd.minor_version = 1; |
| 2699 | epd_cmd.epd_begin = ep_det_data->epd_begin; |
| 2700 | epd_cmd.epd_end = ep_det_data->epd_end; |
| 2701 | |
| 2702 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 2703 | rc = wcd_cpe_cmi_send_lsm_msg(core, session, &epd_cmd); |
| 2704 | if (unlikely(rc)) |
| 2705 | dev_err(core->dev, |
| 2706 | "%s: set_param(EPD Threshold) failed, rc %dn", |
| 2707 | __func__, rc); |
| 2708 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 2709 | err_ret: |
| 2710 | return rc; |
| 2711 | } |
| 2712 | |
| 2713 | static int wcd_cpe_send_param_opmode(struct wcd_cpe_core *core, |
| 2714 | struct cpe_lsm_session *session, |
| 2715 | void *data, struct cpe_lsm_ids *ids) |
| 2716 | { |
| 2717 | struct snd_lsm_detect_mode *opmode_d; |
| 2718 | struct cpe_lsm_param_opmode opmode_cmd; |
| 2719 | struct cmi_hdr *msg_hdr = &opmode_cmd.hdr; |
| 2720 | struct cpe_param_data *param_d = |
| 2721 | &opmode_cmd.param; |
| 2722 | int rc; |
| 2723 | |
| 2724 | memset(&opmode_cmd, 0, sizeof(opmode_cmd)); |
| 2725 | opmode_d = (struct snd_lsm_detect_mode *) data; |
| 2726 | if (fill_lsm_cmd_header_v0_inband(msg_hdr, |
| 2727 | session->id, |
| 2728 | CPE_CMD_OPMODE_PLD_SIZE, |
| 2729 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2)) { |
| 2730 | rc = -EINVAL; |
| 2731 | goto err_ret; |
| 2732 | } |
| 2733 | |
| 2734 | wcd_cpe_set_param_data(param_d, ids, |
| 2735 | CPE_OPMODE_PARAM_SIZE, |
| 2736 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2); |
| 2737 | |
| 2738 | opmode_cmd.minor_version = 1; |
| 2739 | if (opmode_d->mode == LSM_MODE_KEYWORD_ONLY_DETECTION) |
| 2740 | opmode_cmd.mode = 1; |
| 2741 | else |
| 2742 | opmode_cmd.mode = 3; |
| 2743 | |
| 2744 | if (opmode_d->detect_failure) |
| 2745 | opmode_cmd.mode |= 0x04; |
| 2746 | |
| 2747 | opmode_cmd.reserved = 0; |
| 2748 | |
| 2749 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 2750 | rc = wcd_cpe_cmi_send_lsm_msg(core, session, &opmode_cmd); |
| 2751 | if (unlikely(rc)) |
| 2752 | dev_err(core->dev, |
| 2753 | "%s: set_param(operation_mode) failed, rc %dn", |
| 2754 | __func__, rc); |
| 2755 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 2756 | err_ret: |
| 2757 | return rc; |
| 2758 | } |
| 2759 | |
| 2760 | static int wcd_cpe_send_param_gain(struct wcd_cpe_core *core, |
| 2761 | struct cpe_lsm_session *session, |
| 2762 | void *data, struct cpe_lsm_ids *ids) |
| 2763 | { |
| 2764 | struct snd_lsm_gain *gain_d; |
| 2765 | struct cpe_lsm_param_gain gain_cmd; |
| 2766 | struct cmi_hdr *msg_hdr = &gain_cmd.hdr; |
| 2767 | struct cpe_param_data *param_d = |
| 2768 | &gain_cmd.param; |
| 2769 | int rc; |
| 2770 | |
| 2771 | memset(&gain_cmd, 0, sizeof(gain_cmd)); |
| 2772 | gain_d = (struct snd_lsm_gain *) data; |
| 2773 | if (fill_lsm_cmd_header_v0_inband(msg_hdr, |
| 2774 | session->id, |
| 2775 | CPE_CMD_GAIN_PLD_SIZE, |
| 2776 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2)) { |
| 2777 | rc = -EINVAL; |
| 2778 | goto err_ret; |
| 2779 | } |
| 2780 | |
| 2781 | wcd_cpe_set_param_data(param_d, ids, |
| 2782 | CPE_GAIN_PARAM_SIZE, |
| 2783 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2); |
| 2784 | |
| 2785 | gain_cmd.minor_version = 1; |
| 2786 | gain_cmd.gain = gain_d->gain; |
| 2787 | gain_cmd.reserved = 0; |
| 2788 | |
| 2789 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 2790 | rc = wcd_cpe_cmi_send_lsm_msg(core, session, &gain_cmd); |
| 2791 | if (unlikely(rc)) |
| 2792 | dev_err(core->dev, |
| 2793 | "%s: set_param(lsm_gain) failed, rc %dn", |
| 2794 | __func__, rc); |
| 2795 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 2796 | err_ret: |
| 2797 | return rc; |
| 2798 | } |
| 2799 | |
| 2800 | static int wcd_cpe_send_param_connectport(struct wcd_cpe_core *core, |
| 2801 | struct cpe_lsm_session *session, |
| 2802 | void *data, struct cpe_lsm_ids *ids, u16 port_id) |
| 2803 | { |
| 2804 | struct cpe_lsm_param_connectport con_port_cmd; |
| 2805 | struct cmi_hdr *msg_hdr = &con_port_cmd.hdr; |
| 2806 | struct cpe_param_data *param_d = |
| 2807 | &con_port_cmd.param; |
| 2808 | int rc; |
| 2809 | |
| 2810 | memset(&con_port_cmd, 0, sizeof(con_port_cmd)); |
| 2811 | if (fill_lsm_cmd_header_v0_inband(msg_hdr, |
| 2812 | session->id, |
| 2813 | CPE_CMD_CONNECTPORT_PLD_SIZE, |
| 2814 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2)) { |
| 2815 | rc = -EINVAL; |
| 2816 | goto err_ret; |
| 2817 | } |
| 2818 | |
| 2819 | wcd_cpe_set_param_data(param_d, ids, |
| 2820 | CPE_CONNECTPORT_PARAM_SIZE, |
| 2821 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2); |
| 2822 | |
| 2823 | con_port_cmd.minor_version = 1; |
| 2824 | con_port_cmd.afe_port_id = port_id; |
| 2825 | con_port_cmd.reserved = 0; |
| 2826 | |
| 2827 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 2828 | rc = wcd_cpe_cmi_send_lsm_msg(core, session, &con_port_cmd); |
| 2829 | if (unlikely(rc)) |
| 2830 | dev_err(core->dev, |
| 2831 | "%s: set_param(connect_port) failed, rc %dn", |
| 2832 | __func__, rc); |
| 2833 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 2834 | err_ret: |
| 2835 | return rc; |
| 2836 | } |
| 2837 | |
| 2838 | static int wcd_cpe_send_param_conf_levels( |
| 2839 | struct wcd_cpe_core *core, |
| 2840 | struct cpe_lsm_session *session, |
| 2841 | struct cpe_lsm_ids *ids) |
| 2842 | { |
| 2843 | struct cpe_lsm_conf_level conf_level_data; |
| 2844 | struct cmi_hdr *hdr = &(conf_level_data.hdr); |
| 2845 | struct cpe_param_data *param_d = &(conf_level_data.param); |
| 2846 | u8 pld_size = 0; |
| 2847 | u8 pad_bytes = 0; |
| 2848 | void *message; |
| 2849 | int ret = 0; |
| 2850 | |
| 2851 | memset(&conf_level_data, 0, sizeof(conf_level_data)); |
| 2852 | |
| 2853 | pld_size = (sizeof(struct cpe_lsm_conf_level) - sizeof(struct cmi_hdr)); |
| 2854 | pld_size += session->num_confidence_levels; |
| 2855 | pad_bytes = ((4 - (pld_size % 4)) % 4); |
| 2856 | pld_size += pad_bytes; |
| 2857 | |
| 2858 | fill_cmi_header(hdr, session->id, CMI_CPE_LSM_SERVICE_ID, |
| 2859 | false, pld_size, |
| 2860 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2, false); |
| 2861 | |
| 2862 | wcd_cpe_set_param_data(param_d, ids, |
| 2863 | pld_size - sizeof(struct cpe_param_data), |
| 2864 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2); |
| 2865 | |
| 2866 | conf_level_data.num_active_models = session->num_confidence_levels; |
| 2867 | |
| 2868 | message = kzalloc(sizeof(struct cpe_lsm_conf_level) + |
| 2869 | conf_level_data.num_active_models + pad_bytes, |
| 2870 | GFP_KERNEL); |
| 2871 | if (!message) { |
| 2872 | pr_err("%s: no memory for conf_level\n", __func__); |
| 2873 | return -ENOMEM; |
| 2874 | } |
| 2875 | |
| 2876 | memcpy(message, &conf_level_data, |
| 2877 | sizeof(struct cpe_lsm_conf_level)); |
| 2878 | memcpy(((u8 *) message) + sizeof(struct cpe_lsm_conf_level), |
| 2879 | session->conf_levels, conf_level_data.num_active_models); |
| 2880 | |
| 2881 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 2882 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, message); |
| 2883 | if (ret) |
| 2884 | pr_err("%s: lsm_set_conf_levels failed, err = %d\n", |
| 2885 | __func__, ret); |
| 2886 | kfree(message); |
| 2887 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 2888 | return ret; |
| 2889 | } |
| 2890 | |
| 2891 | static int wcd_cpe_send_param_snd_model(struct wcd_cpe_core *core, |
| 2892 | struct cpe_lsm_session *session, struct cpe_lsm_ids *ids) |
| 2893 | { |
| 2894 | int ret = 0; |
| 2895 | struct cmi_obm_msg obm_msg; |
| 2896 | struct cpe_param_data *param_d; |
| 2897 | |
| 2898 | |
| 2899 | ret = fill_cmi_header(&obm_msg.hdr, session->id, |
| 2900 | CMI_CPE_LSM_SERVICE_ID, 0, 20, |
| 2901 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2, true); |
| 2902 | if (ret) { |
| 2903 | dev_err(core->dev, |
| 2904 | "%s: Invalid parameters, rc = %d\n", |
| 2905 | __func__, ret); |
| 2906 | goto err_ret; |
| 2907 | } |
| 2908 | |
| 2909 | obm_msg.pld.version = 0; |
| 2910 | obm_msg.pld.size = session->snd_model_size; |
| 2911 | obm_msg.pld.data_ptr.kvaddr = session->snd_model_data; |
| 2912 | obm_msg.pld.mem_handle = session->lsm_mem_handle; |
| 2913 | |
| 2914 | param_d = (struct cpe_param_data *) session->snd_model_data; |
| 2915 | wcd_cpe_set_param_data(param_d, ids, |
| 2916 | (session->snd_model_size - sizeof(*param_d)), |
| 2917 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2); |
| 2918 | |
| 2919 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 2920 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &obm_msg); |
| 2921 | if (ret) |
| 2922 | dev_err(core->dev, |
| 2923 | "%s: snd_model_register failed, %d\n", |
| 2924 | __func__, ret); |
| 2925 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 2926 | |
| 2927 | err_ret: |
| 2928 | return ret; |
| 2929 | } |
| 2930 | |
| 2931 | static int wcd_cpe_send_param_dereg_model( |
| 2932 | struct wcd_cpe_core *core, |
| 2933 | struct cpe_lsm_session *session, |
| 2934 | struct cpe_lsm_ids *ids) |
| 2935 | { |
| 2936 | struct cmi_hdr *hdr; |
| 2937 | struct cpe_param_data *param_d; |
| 2938 | u8 *message; |
| 2939 | u32 pld_size; |
| 2940 | int rc = 0; |
| 2941 | |
| 2942 | pld_size = sizeof(*hdr) + sizeof(*param_d); |
| 2943 | |
| 2944 | message = kzalloc(pld_size, GFP_KERNEL); |
| 2945 | if (!message) |
| 2946 | return -ENOMEM; |
| 2947 | |
| 2948 | hdr = (struct cmi_hdr *) message; |
| 2949 | param_d = (struct cpe_param_data *) |
| 2950 | (((u8 *) message) + sizeof(*hdr)); |
| 2951 | |
| 2952 | if (fill_lsm_cmd_header_v0_inband(hdr, |
| 2953 | session->id, |
| 2954 | sizeof(*param_d), |
| 2955 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2)) { |
| 2956 | rc = -EINVAL; |
| 2957 | goto err_ret; |
| 2958 | } |
| 2959 | wcd_cpe_set_param_data(param_d, ids, 0, |
| 2960 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2); |
| 2961 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 2962 | rc = wcd_cpe_cmi_send_lsm_msg(core, session, message); |
| 2963 | if (rc) |
| 2964 | dev_err(core->dev, |
| 2965 | "%s: snd_model_deregister failed, %d\n", |
| 2966 | __func__, rc); |
| 2967 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 2968 | err_ret: |
| 2969 | kfree(message); |
| 2970 | return rc; |
| 2971 | } |
| 2972 | |
| 2973 | static int wcd_cpe_send_custom_param( |
| 2974 | struct wcd_cpe_core *core, |
| 2975 | struct cpe_lsm_session *session, |
| 2976 | void *data, u32 msg_size) |
| 2977 | { |
| 2978 | u8 *msg; |
| 2979 | struct cmi_hdr *hdr; |
| 2980 | u8 *msg_pld; |
| 2981 | int rc; |
| 2982 | |
| 2983 | if (msg_size > CMI_INBAND_MESSAGE_SIZE) { |
| 2984 | dev_err(core->dev, |
| 2985 | "%s: out of band custom params not supported\n", |
| 2986 | __func__); |
| 2987 | return -EINVAL; |
| 2988 | } |
| 2989 | |
| 2990 | msg = kzalloc(sizeof(*hdr) + msg_size, GFP_KERNEL); |
| 2991 | if (!msg) |
| 2992 | return -ENOMEM; |
| 2993 | |
| 2994 | hdr = (struct cmi_hdr *) msg; |
| 2995 | msg_pld = msg + sizeof(struct cmi_hdr); |
| 2996 | |
| 2997 | if (fill_lsm_cmd_header_v0_inband(hdr, |
| 2998 | session->id, |
| 2999 | msg_size, |
| 3000 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2)) { |
| 3001 | rc = -EINVAL; |
| 3002 | goto err_ret; |
| 3003 | } |
| 3004 | |
| 3005 | memcpy(msg_pld, data, msg_size); |
| 3006 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 3007 | rc = wcd_cpe_cmi_send_lsm_msg(core, session, msg); |
| 3008 | if (rc) |
| 3009 | dev_err(core->dev, |
| 3010 | "%s: custom params send failed, err = %d\n", |
| 3011 | __func__, rc); |
| 3012 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 3013 | err_ret: |
| 3014 | kfree(msg); |
| 3015 | return rc; |
| 3016 | } |
| 3017 | |
| 3018 | static int wcd_cpe_set_one_param(void *core_handle, |
| 3019 | struct cpe_lsm_session *session, struct lsm_params_info *p_info, |
| 3020 | void *data, uint32_t param_type) |
| 3021 | { |
| 3022 | struct wcd_cpe_core *core = core_handle; |
| 3023 | int rc = 0; |
| 3024 | struct cpe_lsm_ids ids; |
| 3025 | |
| 3026 | memset(&ids, 0, sizeof(ids)); |
| 3027 | ids.module_id = p_info->module_id; |
| 3028 | ids.param_id = p_info->param_id; |
| 3029 | |
| 3030 | switch (param_type) { |
| 3031 | case LSM_ENDPOINT_DETECT_THRESHOLD: |
| 3032 | rc = wcd_cpe_send_param_epd_thres(core, session, |
| 3033 | data, &ids); |
| 3034 | break; |
| 3035 | case LSM_OPERATION_MODE: |
| 3036 | rc = wcd_cpe_send_param_opmode(core, session, data, &ids); |
| 3037 | break; |
| 3038 | case LSM_GAIN: |
| 3039 | rc = wcd_cpe_send_param_gain(core, session, data, &ids); |
| 3040 | break; |
| 3041 | case LSM_MIN_CONFIDENCE_LEVELS: |
| 3042 | rc = wcd_cpe_send_param_conf_levels(core, session, &ids); |
| 3043 | break; |
| 3044 | case LSM_REG_SND_MODEL: |
| 3045 | rc = wcd_cpe_send_param_snd_model(core, session, &ids); |
| 3046 | break; |
| 3047 | case LSM_DEREG_SND_MODEL: |
| 3048 | rc = wcd_cpe_send_param_dereg_model(core, session, &ids); |
| 3049 | break; |
| 3050 | case LSM_CUSTOM_PARAMS: |
| 3051 | rc = wcd_cpe_send_custom_param(core, session, |
| 3052 | data, p_info->param_size); |
| 3053 | break; |
| 3054 | default: |
| 3055 | pr_err("%s: wrong param_type 0x%x\n", |
| 3056 | __func__, param_type); |
| 3057 | } |
| 3058 | |
| 3059 | if (rc) |
| 3060 | dev_err(core->dev, |
| 3061 | "%s: send_param(%d) failed, err %d\n", |
| 3062 | __func__, param_type, rc); |
| 3063 | return rc; |
| 3064 | } |
| 3065 | |
| 3066 | /* |
| 3067 | * wcd_cpe_lsm_set_params: set the parameters for lsm service |
| 3068 | * @core: handle to cpe core |
| 3069 | * @session: session for which the parameters are to be set |
| 3070 | * @detect_mode: mode for detection |
| 3071 | * @detect_failure: flag indicating failure detection enabled/disabled |
| 3072 | * |
| 3073 | */ |
| 3074 | static int wcd_cpe_lsm_set_params(struct wcd_cpe_core *core, |
| 3075 | struct cpe_lsm_session *session, |
| 3076 | enum lsm_detection_mode detect_mode, bool detect_failure) |
| 3077 | { |
| 3078 | struct cpe_lsm_ids ids; |
| 3079 | struct snd_lsm_detect_mode det_mode; |
| 3080 | |
| 3081 | int ret = 0; |
| 3082 | |
| 3083 | /* Send lsm calibration */ |
| 3084 | ret = wcd_cpe_send_lsm_cal(core, session); |
| 3085 | if (ret) { |
| 3086 | pr_err("%s: fail to sent acdb cal, err = %d", |
| 3087 | __func__, ret); |
| 3088 | goto err_ret; |
| 3089 | } |
| 3090 | |
| 3091 | /* Send operation mode */ |
| 3092 | ids.module_id = CPE_LSM_MODULE_ID_VOICE_WAKEUP; |
| 3093 | ids.param_id = CPE_LSM_PARAM_ID_OPERATION_MODE; |
| 3094 | det_mode.mode = detect_mode; |
| 3095 | det_mode.detect_failure = detect_failure; |
| 3096 | ret = wcd_cpe_send_param_opmode(core, session, |
| 3097 | &det_mode, &ids); |
| 3098 | if (ret) |
| 3099 | dev_err(core->dev, |
| 3100 | "%s: Failed to set opmode, err=%d\n", |
| 3101 | __func__, ret); |
| 3102 | |
| 3103 | err_ret: |
| 3104 | return ret; |
| 3105 | } |
| 3106 | |
| 3107 | static int wcd_cpe_lsm_set_data(void *core_handle, |
| 3108 | struct cpe_lsm_session *session, |
| 3109 | enum lsm_detection_mode detect_mode, |
| 3110 | bool detect_failure) |
| 3111 | { |
| 3112 | struct wcd_cpe_core *core = core_handle; |
| 3113 | struct cpe_lsm_ids ids; |
| 3114 | int ret = 0; |
| 3115 | |
| 3116 | if (session->num_confidence_levels > 0) { |
| 3117 | ret = wcd_cpe_lsm_set_params(core, session, detect_mode, |
| 3118 | detect_failure); |
| 3119 | if (ret) { |
| 3120 | dev_err(core->dev, |
| 3121 | "%s: lsm set params failed, rc = %d\n", |
| 3122 | __func__, ret); |
| 3123 | goto err_ret; |
| 3124 | } |
| 3125 | |
| 3126 | ids.module_id = CPE_LSM_MODULE_ID_VOICE_WAKEUP; |
| 3127 | ids.param_id = CPE_LSM_PARAM_ID_MIN_CONFIDENCE_LEVELS; |
| 3128 | ret = wcd_cpe_send_param_conf_levels(core, session, &ids); |
| 3129 | if (ret) { |
| 3130 | dev_err(core->dev, |
| 3131 | "%s: lsm confidence levels failed, rc = %d\n", |
| 3132 | __func__, ret); |
| 3133 | goto err_ret; |
| 3134 | } |
| 3135 | } else { |
| 3136 | dev_dbg(core->dev, |
| 3137 | "%s: no conf levels to set\n", |
| 3138 | __func__); |
| 3139 | } |
| 3140 | |
| 3141 | err_ret: |
| 3142 | return ret; |
| 3143 | } |
| 3144 | |
| 3145 | /* |
| 3146 | * wcd_cpe_lsm_reg_snd_model: register the sound model for listen |
| 3147 | * @session: session for which to register the sound model |
| 3148 | * @detect_mode: detection mode, user dependent/independent |
| 3149 | * @detect_failure: flag to indicate if failure detection is enabled |
| 3150 | * |
| 3151 | * The memory required for sound model should be pre-allocated on CPE |
| 3152 | * before this function is invoked. |
| 3153 | */ |
| 3154 | static int wcd_cpe_lsm_reg_snd_model(void *core_handle, |
| 3155 | struct cpe_lsm_session *session, |
| 3156 | enum lsm_detection_mode detect_mode, |
| 3157 | bool detect_failure) |
| 3158 | { |
| 3159 | int ret = 0; |
| 3160 | struct cmi_obm_msg obm_msg; |
| 3161 | struct wcd_cpe_core *core = core_handle; |
| 3162 | |
| 3163 | ret = wcd_cpe_is_valid_lsm_session(core, session, |
| 3164 | __func__); |
| 3165 | if (ret) |
| 3166 | return ret; |
| 3167 | |
| 3168 | ret = wcd_cpe_lsm_set_data(core_handle, session, |
| 3169 | detect_mode, detect_failure); |
| 3170 | if (ret) { |
| 3171 | dev_err(core->dev, |
| 3172 | "%s: fail to set lsm data, err = %d\n", |
| 3173 | __func__, ret); |
| 3174 | return ret; |
| 3175 | } |
| 3176 | |
| 3177 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 3178 | |
| 3179 | ret = fill_cmi_header(&obm_msg.hdr, session->id, |
| 3180 | CMI_CPE_LSM_SERVICE_ID, 0, 20, |
| 3181 | CPE_LSM_SESSION_CMD_REGISTER_SOUND_MODEL, true); |
| 3182 | if (ret) { |
| 3183 | dev_err(core->dev, |
| 3184 | "%s: Invalid parameters, rc = %d\n", |
| 3185 | __func__, ret); |
| 3186 | goto err_ret; |
| 3187 | } |
| 3188 | |
| 3189 | obm_msg.pld.version = 0; |
| 3190 | obm_msg.pld.size = session->snd_model_size; |
| 3191 | obm_msg.pld.data_ptr.kvaddr = session->snd_model_data; |
| 3192 | obm_msg.pld.mem_handle = session->lsm_mem_handle; |
| 3193 | |
| 3194 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &obm_msg); |
| 3195 | if (ret) |
| 3196 | dev_err(core->dev, |
| 3197 | "%s: snd_model_register failed, %d\n", |
| 3198 | __func__, ret); |
| 3199 | err_ret: |
| 3200 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 3201 | return ret; |
| 3202 | } |
| 3203 | |
| 3204 | /* |
| 3205 | * wcd_cpe_lsm_dereg_snd_model: deregister the sound model for listen |
| 3206 | * @core_handle: handle to cpe core |
| 3207 | * @session: session for which to deregister the sound model |
| 3208 | * |
| 3209 | */ |
| 3210 | static int wcd_cpe_lsm_dereg_snd_model(void *core_handle, |
| 3211 | struct cpe_lsm_session *session) |
| 3212 | { |
| 3213 | struct cmi_hdr cmd_dereg_snd_model; |
| 3214 | struct wcd_cpe_core *core = core_handle; |
| 3215 | int ret = 0; |
| 3216 | |
| 3217 | ret = wcd_cpe_is_valid_lsm_session(core, session, |
| 3218 | __func__); |
| 3219 | if (ret) |
| 3220 | return ret; |
| 3221 | |
| 3222 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 3223 | |
| 3224 | memset(&cmd_dereg_snd_model, 0, sizeof(cmd_dereg_snd_model)); |
| 3225 | if (fill_lsm_cmd_header_v0_inband(&cmd_dereg_snd_model, session->id, |
| 3226 | 0, CPE_LSM_SESSION_CMD_DEREGISTER_SOUND_MODEL)) { |
| 3227 | ret = -EINVAL; |
| 3228 | goto end_ret; |
| 3229 | } |
| 3230 | |
| 3231 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &cmd_dereg_snd_model); |
| 3232 | if (ret) |
| 3233 | dev_err(core->dev, |
| 3234 | "%s: failed to send dereg_snd_model cmd\n", |
| 3235 | __func__); |
| 3236 | end_ret: |
| 3237 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 3238 | return ret; |
| 3239 | } |
| 3240 | |
| 3241 | /* |
| 3242 | * wcd_cpe_lsm_get_afe_out_port_id: get afe output port id |
| 3243 | * @core_handle: handle to the CPE core |
| 3244 | * @session: session for which port id needs to get |
| 3245 | */ |
| 3246 | static int wcd_cpe_lsm_get_afe_out_port_id(void *core_handle, |
| 3247 | struct cpe_lsm_session *session) |
| 3248 | { |
| 3249 | struct wcd_cpe_core *core = core_handle; |
| 3250 | struct snd_soc_codec *codec; |
| 3251 | int rc = 0; |
| 3252 | |
| 3253 | if (!core || !core->codec) { |
| 3254 | pr_err("%s: Invalid handle to %s\n", |
| 3255 | __func__, |
| 3256 | (!core) ? "core" : "codec"); |
| 3257 | rc = -EINVAL; |
| 3258 | goto done; |
| 3259 | } |
| 3260 | |
| 3261 | if (!session) { |
| 3262 | dev_err(core->dev, "%s: Invalid session\n", |
| 3263 | __func__); |
| 3264 | rc = -EINVAL; |
| 3265 | goto done; |
| 3266 | } |
| 3267 | |
| 3268 | if (!core->cpe_cdc_cb || |
| 3269 | !core->cpe_cdc_cb->get_afe_out_port_id) { |
| 3270 | session->afe_out_port_id = WCD_CPE_AFE_OUT_PORT_2; |
| 3271 | dev_dbg(core->dev, |
| 3272 | "%s: callback not defined, default port_id = %d\n", |
| 3273 | __func__, session->afe_out_port_id); |
| 3274 | goto done; |
| 3275 | } |
| 3276 | |
| 3277 | codec = core->codec; |
| 3278 | rc = core->cpe_cdc_cb->get_afe_out_port_id(codec, |
| 3279 | &session->afe_out_port_id); |
| 3280 | if (rc) { |
| 3281 | dev_err(core->dev, |
| 3282 | "%s: failed to get port id, err = %d\n", |
| 3283 | __func__, rc); |
| 3284 | goto done; |
| 3285 | } |
| 3286 | dev_dbg(core->dev, "%s: port_id: %d\n", __func__, |
| 3287 | session->afe_out_port_id); |
| 3288 | |
| 3289 | done: |
| 3290 | return rc; |
| 3291 | } |
| 3292 | |
| 3293 | /* |
| 3294 | * wcd_cpe_cmd_lsm_start: send the start command to lsm |
| 3295 | * @core_handle: handle to the CPE core |
| 3296 | * @session: session for which start command to be sent |
| 3297 | * |
| 3298 | */ |
| 3299 | static int wcd_cpe_cmd_lsm_start(void *core_handle, |
| 3300 | struct cpe_lsm_session *session) |
| 3301 | { |
| 3302 | struct cmi_hdr cmd_lsm_start; |
| 3303 | struct wcd_cpe_core *core = core_handle; |
| 3304 | int ret = 0; |
| 3305 | |
| 3306 | ret = wcd_cpe_is_valid_lsm_session(core, session, |
| 3307 | __func__); |
| 3308 | if (ret) |
| 3309 | return ret; |
| 3310 | |
| 3311 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 3312 | |
| 3313 | memset(&cmd_lsm_start, 0, sizeof(struct cmi_hdr)); |
| 3314 | if (fill_lsm_cmd_header_v0_inband(&cmd_lsm_start, session->id, 0, |
| 3315 | CPE_LSM_SESSION_CMD_START)) { |
| 3316 | ret = -EINVAL; |
| 3317 | goto end_ret; |
| 3318 | } |
| 3319 | |
| 3320 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &cmd_lsm_start); |
| 3321 | if (ret) |
| 3322 | dev_err(core->dev, "failed to send lsm_start cmd\n"); |
| 3323 | end_ret: |
| 3324 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 3325 | return ret; |
| 3326 | } |
| 3327 | |
| 3328 | /* |
| 3329 | * wcd_cpe_cmd_lsm_stop: send the stop command for LSM service |
| 3330 | * @core_handle: handle to the cpe core |
| 3331 | * @session: session for which stop command to be sent |
| 3332 | * |
| 3333 | */ |
| 3334 | static int wcd_cpe_cmd_lsm_stop(void *core_handle, |
| 3335 | struct cpe_lsm_session *session) |
| 3336 | { |
| 3337 | struct cmi_hdr cmd_lsm_stop; |
| 3338 | struct wcd_cpe_core *core = core_handle; |
| 3339 | int ret = 0; |
| 3340 | |
| 3341 | ret = wcd_cpe_is_valid_lsm_session(core, session, |
| 3342 | __func__); |
| 3343 | if (ret) |
| 3344 | return ret; |
| 3345 | |
| 3346 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 3347 | |
| 3348 | memset(&cmd_lsm_stop, 0, sizeof(struct cmi_hdr)); |
| 3349 | if (fill_lsm_cmd_header_v0_inband(&cmd_lsm_stop, session->id, 0, |
| 3350 | CPE_LSM_SESSION_CMD_STOP)) { |
| 3351 | ret = -EINVAL; |
| 3352 | goto end_ret; |
| 3353 | } |
| 3354 | |
| 3355 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &cmd_lsm_stop); |
| 3356 | if (ret) |
| 3357 | dev_err(core->dev, |
| 3358 | "%s: failed to send lsm_stop cmd\n", |
| 3359 | __func__); |
| 3360 | end_ret: |
| 3361 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 3362 | return ret; |
| 3363 | |
| 3364 | } |
| 3365 | |
| 3366 | /* |
| 3367 | * wcd_cpe_alloc_lsm_session: allocate a lsm session |
| 3368 | * @core: handle to wcd_cpe_core |
| 3369 | * @lsm_priv_d: lsm private data |
| 3370 | */ |
| 3371 | static struct cpe_lsm_session *wcd_cpe_alloc_lsm_session( |
| 3372 | void *core_handle, void *client_data, |
| 3373 | void (*event_cb)(void *, u8, u8, u8 *)) |
| 3374 | { |
| 3375 | struct cpe_lsm_session *session; |
| 3376 | int i, session_id = -1; |
| 3377 | struct wcd_cpe_core *core = core_handle; |
| 3378 | bool afe_register_service = false; |
| 3379 | int ret = 0; |
| 3380 | |
| 3381 | /* |
| 3382 | * Even if multiple listen sessions can be |
| 3383 | * allocated, the AFE service registration |
| 3384 | * should be done only once as CPE can only |
| 3385 | * have one instance of AFE service. |
| 3386 | * |
| 3387 | * If this is the first session to be allocated, |
| 3388 | * only then register the afe service. |
| 3389 | */ |
| 3390 | if (!wcd_cpe_lsm_session_active()) |
| 3391 | afe_register_service = true; |
| 3392 | |
| 3393 | for (i = 1; i <= WCD_CPE_LSM_MAX_SESSIONS; i++) { |
| 3394 | if (!lsm_sessions[i]) { |
| 3395 | session_id = i; |
| 3396 | break; |
| 3397 | } |
| 3398 | } |
| 3399 | |
| 3400 | if (session_id < 0) { |
| 3401 | dev_err(core->dev, |
| 3402 | "%s: max allowed sessions already allocated\n", |
| 3403 | __func__); |
| 3404 | return NULL; |
| 3405 | } |
| 3406 | |
| 3407 | ret = wcd_cpe_vote(core, true); |
| 3408 | if (ret) { |
| 3409 | dev_err(core->dev, |
| 3410 | "%s: Failed to enable cpe, err = %d\n", |
| 3411 | __func__, ret); |
| 3412 | return NULL; |
| 3413 | } |
| 3414 | |
| 3415 | session = kzalloc(sizeof(struct cpe_lsm_session), GFP_KERNEL); |
| 3416 | if (!session) |
| 3417 | goto err_session_alloc; |
| 3418 | |
| 3419 | session->id = session_id; |
| 3420 | session->event_cb = event_cb; |
| 3421 | session->cmi_reg_handle = cmi_register(wcd_cpe_cmi_lsm_callback, |
| 3422 | CMI_CPE_LSM_SERVICE_ID); |
| 3423 | if (!session->cmi_reg_handle) { |
| 3424 | dev_err(core->dev, |
| 3425 | "%s: Failed to register LSM service with CMI\n", |
| 3426 | __func__); |
| 3427 | goto err_ret; |
| 3428 | } |
| 3429 | session->priv_d = client_data; |
| 3430 | mutex_init(&session->lsm_lock); |
| 3431 | if (afe_register_service) { |
| 3432 | /* Register for AFE Service */ |
| 3433 | core->cmi_afe_handle = cmi_register(wcd_cpe_cmi_afe_cb, |
| 3434 | CMI_CPE_AFE_SERVICE_ID); |
| 3435 | wcd_cpe_initialize_afe_port_data(); |
| 3436 | if (!core->cmi_afe_handle) { |
| 3437 | dev_err(core->dev, |
| 3438 | "%s: Failed to register AFE service with CMI\n", |
| 3439 | __func__); |
| 3440 | goto err_afe_svc_reg; |
| 3441 | } |
| 3442 | |
| 3443 | /* Once AFE service is registered, send the mode command */ |
| 3444 | ret = wcd_cpe_afe_svc_cmd_mode(core, |
| 3445 | AFE_SVC_EXPLICIT_PORT_START); |
| 3446 | if (ret) |
| 3447 | goto err_afe_mode_cmd; |
| 3448 | } |
| 3449 | |
| 3450 | session->lsm_mem_handle = 0; |
| 3451 | init_completion(&session->cmd_comp); |
| 3452 | |
| 3453 | lsm_sessions[session_id] = session; |
| 3454 | return session; |
| 3455 | |
| 3456 | err_afe_mode_cmd: |
| 3457 | cmi_deregister(core->cmi_afe_handle); |
| 3458 | |
| 3459 | err_afe_svc_reg: |
| 3460 | cmi_deregister(session->cmi_reg_handle); |
| 3461 | mutex_destroy(&session->lsm_lock); |
| 3462 | |
| 3463 | err_ret: |
| 3464 | kfree(session); |
| 3465 | |
| 3466 | err_session_alloc: |
| 3467 | wcd_cpe_vote(core, false); |
| 3468 | return NULL; |
| 3469 | } |
| 3470 | |
| 3471 | /* |
| 3472 | * wcd_cpe_lsm_config_lab_latency: send lab latency value |
| 3473 | * @core: handle to wcd_cpe_core |
| 3474 | * @session: lsm session |
| 3475 | * @latency: the value of latency for lab setup in msec |
| 3476 | */ |
| 3477 | static int wcd_cpe_lsm_config_lab_latency( |
| 3478 | struct wcd_cpe_core *core, |
| 3479 | struct cpe_lsm_session *session, |
| 3480 | u32 latency) |
| 3481 | { |
| 3482 | int ret = 0, pld_size = CPE_PARAM_LSM_LAB_LATENCY_SIZE; |
| 3483 | struct cpe_lsm_lab_latency_config cpe_lab_latency; |
| 3484 | struct cpe_lsm_lab_config *lab_lat = &cpe_lab_latency.latency_cfg; |
| 3485 | struct cpe_param_data *param_d = &lab_lat->param; |
| 3486 | struct cpe_lsm_ids ids; |
| 3487 | |
| 3488 | if (fill_lsm_cmd_header_v0_inband(&cpe_lab_latency.hdr, session->id, |
| 3489 | (u8) pld_size, CPE_LSM_SESSION_CMD_SET_PARAMS_V2)) { |
| 3490 | pr_err("%s: Failed to create header\n", __func__); |
| 3491 | return -EINVAL; |
| 3492 | } |
| 3493 | if (latency == 0x00 || latency > WCD_CPE_LAB_MAX_LATENCY) { |
| 3494 | pr_err("%s: Invalid latency %u\n", |
| 3495 | __func__, latency); |
| 3496 | return -EINVAL; |
| 3497 | } |
| 3498 | |
| 3499 | lab_lat->latency = latency; |
| 3500 | lab_lat->minor_ver = 1; |
| 3501 | ids.module_id = CPE_LSM_MODULE_ID_LAB; |
| 3502 | ids.param_id = CPE_LSM_PARAM_ID_LAB_CONFIG; |
| 3503 | wcd_cpe_set_param_data(param_d, &ids, |
| 3504 | PARAM_SIZE_LSM_LATENCY_SIZE, |
| 3505 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2); |
| 3506 | |
| 3507 | pr_debug("%s: Module 0x%x Param 0x%x size %zu pld_size 0x%x\n", |
| 3508 | __func__, lab_lat->param.module_id, |
| 3509 | lab_lat->param.param_id, PARAM_SIZE_LSM_LATENCY_SIZE, |
| 3510 | pld_size); |
| 3511 | |
| 3512 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 3513 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &cpe_lab_latency); |
| 3514 | if (ret != 0) |
| 3515 | pr_err("%s: lsm_set_params failed, error = %d\n", |
| 3516 | __func__, ret); |
| 3517 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 3518 | return ret; |
| 3519 | } |
| 3520 | |
| 3521 | /* |
| 3522 | * wcd_cpe_lsm_lab_control: enable/disable lab |
| 3523 | * @core: handle to wcd_cpe_core |
| 3524 | * @session: lsm session |
| 3525 | * @enable: Indicates whether to enable / disable lab |
| 3526 | */ |
| 3527 | static int wcd_cpe_lsm_lab_control( |
| 3528 | void *core_handle, |
| 3529 | struct cpe_lsm_session *session, |
| 3530 | bool enable) |
| 3531 | { |
| 3532 | struct wcd_cpe_core *core = core_handle; |
| 3533 | int ret = 0, pld_size = CPE_PARAM_SIZE_LSM_LAB_CONTROL; |
| 3534 | struct cpe_lsm_control_lab cpe_lab_enable; |
| 3535 | struct cpe_lsm_lab_enable *lab_enable = &cpe_lab_enable.lab_enable; |
| 3536 | struct cpe_param_data *param_d = &lab_enable->param; |
| 3537 | struct cpe_lsm_ids ids; |
| 3538 | |
| 3539 | pr_debug("%s: enter payload_size = %d Enable %d\n", |
| 3540 | __func__, pld_size, enable); |
| 3541 | |
| 3542 | memset(&cpe_lab_enable, 0, sizeof(cpe_lab_enable)); |
| 3543 | |
| 3544 | if (fill_lsm_cmd_header_v0_inband(&cpe_lab_enable.hdr, session->id, |
| 3545 | (u8) pld_size, CPE_LSM_SESSION_CMD_SET_PARAMS_V2)) { |
| 3546 | return -EINVAL; |
| 3547 | } |
| 3548 | if (enable == true) |
| 3549 | lab_enable->enable = 1; |
| 3550 | else |
| 3551 | lab_enable->enable = 0; |
| 3552 | |
| 3553 | ids.module_id = CPE_LSM_MODULE_ID_LAB; |
| 3554 | ids.param_id = CPE_LSM_PARAM_ID_LAB_ENABLE; |
| 3555 | wcd_cpe_set_param_data(param_d, &ids, |
| 3556 | PARAM_SIZE_LSM_CONTROL_SIZE, |
| 3557 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2); |
| 3558 | |
| 3559 | pr_debug("%s: Module 0x%x, Param 0x%x size %zu pld_size 0x%x\n", |
| 3560 | __func__, lab_enable->param.module_id, |
| 3561 | lab_enable->param.param_id, PARAM_SIZE_LSM_CONTROL_SIZE, |
| 3562 | pld_size); |
| 3563 | |
| 3564 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 3565 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &cpe_lab_enable); |
| 3566 | if (ret != 0) { |
| 3567 | pr_err("%s: lsm_set_params failed, error = %d\n", |
| 3568 | __func__, ret); |
| 3569 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 3570 | goto done; |
| 3571 | } |
| 3572 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 3573 | |
| 3574 | if (lab_enable->enable) |
| 3575 | ret = wcd_cpe_lsm_config_lab_latency(core, session, |
| 3576 | WCD_CPE_LAB_MAX_LATENCY); |
| 3577 | done: |
| 3578 | return ret; |
| 3579 | } |
| 3580 | |
| 3581 | /* |
| 3582 | * wcd_cpe_lsm_eob: stop lab |
| 3583 | * @core: handle to wcd_cpe_core |
| 3584 | * @session: lsm session to be deallocated |
| 3585 | */ |
| 3586 | static int wcd_cpe_lsm_eob( |
| 3587 | struct wcd_cpe_core *core, |
| 3588 | struct cpe_lsm_session *session) |
| 3589 | { |
| 3590 | int ret = 0; |
| 3591 | struct cmi_hdr lab_eob; |
| 3592 | |
| 3593 | if (fill_lsm_cmd_header_v0_inband(&lab_eob, session->id, |
| 3594 | 0, CPE_LSM_SESSION_CMD_EOB)) { |
| 3595 | return -EINVAL; |
| 3596 | } |
| 3597 | |
| 3598 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 3599 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &lab_eob); |
| 3600 | if (ret != 0) |
| 3601 | pr_err("%s: lsm_set_params failed\n", __func__); |
| 3602 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 3603 | |
| 3604 | return ret; |
| 3605 | } |
| 3606 | |
| 3607 | /* |
| 3608 | * wcd_cpe_dealloc_lsm_session: deallocate lsm session |
| 3609 | * @core: handle to wcd_cpe_core |
| 3610 | * @session: lsm session to be deallocated |
| 3611 | */ |
| 3612 | static int wcd_cpe_dealloc_lsm_session(void *core_handle, |
| 3613 | struct cpe_lsm_session *session) |
| 3614 | { |
| 3615 | struct wcd_cpe_core *core = core_handle; |
| 3616 | int ret = 0; |
| 3617 | |
| 3618 | if (!session) { |
| 3619 | dev_err(core->dev, |
| 3620 | "%s: Invalid lsm session\n", __func__); |
| 3621 | return -EINVAL; |
| 3622 | } |
| 3623 | |
| 3624 | dev_dbg(core->dev, "%s: session %d being deallocated\n", |
| 3625 | __func__, session->id); |
| 3626 | if (session->id > WCD_CPE_LSM_MAX_SESSIONS) { |
| 3627 | dev_err(core->dev, |
| 3628 | "%s: Wrong session id %d max allowed = %d\n", |
| 3629 | __func__, session->id, |
| 3630 | WCD_CPE_LSM_MAX_SESSIONS); |
| 3631 | return -EINVAL; |
| 3632 | } |
| 3633 | |
| 3634 | cmi_deregister(session->cmi_reg_handle); |
| 3635 | mutex_destroy(&session->lsm_lock); |
| 3636 | lsm_sessions[session->id] = NULL; |
| 3637 | kfree(session); |
| 3638 | |
| 3639 | if (!wcd_cpe_lsm_session_active()) { |
| 3640 | cmi_deregister(core->cmi_afe_handle); |
| 3641 | core->cmi_afe_handle = NULL; |
| 3642 | wcd_cpe_deinitialize_afe_port_data(); |
| 3643 | } |
| 3644 | |
| 3645 | ret = wcd_cpe_vote(core, false); |
| 3646 | if (ret) |
| 3647 | dev_dbg(core->dev, |
| 3648 | "%s: Failed to un-vote cpe, err = %d\n", |
| 3649 | __func__, ret); |
| 3650 | |
| 3651 | return ret; |
| 3652 | } |
| 3653 | |
| 3654 | static int wcd_cpe_lab_ch_setup(void *core_handle, |
| 3655 | struct cpe_lsm_session *session, |
| 3656 | enum wcd_cpe_event event) |
| 3657 | { |
| 3658 | struct wcd_cpe_core *core = core_handle; |
| 3659 | struct snd_soc_codec *codec; |
| 3660 | int rc = 0; |
| 3661 | u8 cpe_intr_bits; |
| 3662 | |
| 3663 | if (!core || !core->codec) { |
| 3664 | pr_err("%s: Invalid handle to %s\n", |
| 3665 | __func__, |
| 3666 | (!core) ? "core" : "codec"); |
| 3667 | rc = EINVAL; |
| 3668 | goto done; |
| 3669 | } |
| 3670 | |
| 3671 | if (!core->cpe_cdc_cb || |
| 3672 | !core->cpe_cdc_cb->cdc_ext_clk || |
| 3673 | !core->cpe_cdc_cb->lab_cdc_ch_ctl) { |
| 3674 | dev_err(core->dev, |
| 3675 | "%s: Invalid codec callbacks\n", |
| 3676 | __func__); |
| 3677 | rc = -EINVAL; |
| 3678 | goto done; |
| 3679 | } |
| 3680 | |
| 3681 | codec = core->codec; |
| 3682 | dev_dbg(core->dev, |
| 3683 | "%s: event = 0x%x\n", |
| 3684 | __func__, event); |
| 3685 | |
| 3686 | switch (event) { |
| 3687 | case WCD_CPE_PRE_ENABLE: |
| 3688 | rc = core->cpe_cdc_cb->cdc_ext_clk(codec, true, false); |
| 3689 | if (rc) { |
| 3690 | dev_err(core->dev, |
| 3691 | "%s: failed to enable cdc clk, err = %d\n", |
| 3692 | __func__, rc); |
| 3693 | goto done; |
| 3694 | } |
| 3695 | |
| 3696 | rc = core->cpe_cdc_cb->lab_cdc_ch_ctl(codec, |
| 3697 | true); |
| 3698 | if (rc) { |
| 3699 | dev_err(core->dev, |
| 3700 | "%s: failed to enable cdc port, err = %d\n", |
| 3701 | __func__, rc); |
| 3702 | rc = core->cpe_cdc_cb->cdc_ext_clk(codec, false, false); |
| 3703 | goto done; |
| 3704 | } |
| 3705 | |
| 3706 | break; |
| 3707 | |
| 3708 | case WCD_CPE_POST_ENABLE: |
| 3709 | rc = cpe_svc_toggle_lab(core->cpe_handle, true); |
| 3710 | if (rc) |
| 3711 | dev_err(core->dev, |
| 3712 | "%s: Failed to enable lab\n", __func__); |
| 3713 | break; |
| 3714 | |
| 3715 | case WCD_CPE_PRE_DISABLE: |
| 3716 | /* |
| 3717 | * Mask the non-fatal interrupts in CPE as they will |
| 3718 | * be generated during lab teardown and may flood. |
| 3719 | */ |
| 3720 | cpe_intr_bits = ~(core->irq_info.cpe_fatal_irqs & 0xFF); |
| 3721 | if (CPE_ERR_IRQ_CB(core)) |
| 3722 | core->cpe_cdc_cb->cpe_err_irq_control( |
| 3723 | core->codec, |
| 3724 | CPE_ERR_IRQ_MASK, |
| 3725 | &cpe_intr_bits); |
| 3726 | |
| 3727 | rc = core->cpe_cdc_cb->lab_cdc_ch_ctl(codec, |
| 3728 | false); |
| 3729 | if (rc) |
| 3730 | dev_err(core->dev, |
| 3731 | "%s: failed to disable cdc port, err = %d\n", |
| 3732 | __func__, rc); |
| 3733 | break; |
| 3734 | |
| 3735 | case WCD_CPE_POST_DISABLE: |
| 3736 | rc = wcd_cpe_lsm_eob(core, session); |
| 3737 | if (rc) |
| 3738 | dev_err(core->dev, |
| 3739 | "%s: eob send failed, err = %d\n", |
| 3740 | __func__, rc); |
| 3741 | |
| 3742 | /* Continue teardown even if eob failed */ |
| 3743 | rc = cpe_svc_toggle_lab(core->cpe_handle, false); |
| 3744 | if (rc) |
| 3745 | dev_err(core->dev, |
| 3746 | "%s: Failed to disable lab\n", __func__); |
| 3747 | |
| 3748 | /* Continue with disabling even if toggle lab fails */ |
| 3749 | rc = core->cpe_cdc_cb->cdc_ext_clk(codec, false, false); |
| 3750 | if (rc) |
| 3751 | dev_err(core->dev, |
| 3752 | "%s: failed to disable cdc clk, err = %d\n", |
| 3753 | __func__, rc); |
| 3754 | |
| 3755 | /* Unmask non-fatal CPE interrupts */ |
| 3756 | cpe_intr_bits = ~(core->irq_info.cpe_fatal_irqs & 0xFF); |
| 3757 | if (CPE_ERR_IRQ_CB(core)) |
| 3758 | core->cpe_cdc_cb->cpe_err_irq_control( |
| 3759 | core->codec, |
| 3760 | CPE_ERR_IRQ_UNMASK, |
| 3761 | &cpe_intr_bits); |
| 3762 | break; |
| 3763 | |
| 3764 | default: |
| 3765 | dev_err(core->dev, |
| 3766 | "%s: Invalid event 0x%x\n", |
| 3767 | __func__, event); |
| 3768 | rc = -EINVAL; |
| 3769 | break; |
| 3770 | } |
| 3771 | |
| 3772 | done: |
| 3773 | return rc; |
| 3774 | } |
| 3775 | |
| 3776 | static int wcd_cpe_lsm_set_fmt_cfg(void *core_handle, |
| 3777 | struct cpe_lsm_session *session) |
| 3778 | { |
| 3779 | int ret; |
| 3780 | struct cpe_lsm_output_format_cfg out_fmt_cfg; |
| 3781 | struct wcd_cpe_core *core = core_handle; |
| 3782 | |
| 3783 | ret = wcd_cpe_is_valid_lsm_session(core, session, __func__); |
| 3784 | if (ret) |
| 3785 | goto done; |
| 3786 | |
| 3787 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 3788 | |
| 3789 | memset(&out_fmt_cfg, 0, sizeof(out_fmt_cfg)); |
| 3790 | if (fill_lsm_cmd_header_v0_inband(&out_fmt_cfg.hdr, |
| 3791 | session->id, OUT_FMT_CFG_CMD_PAYLOAD_SIZE, |
| 3792 | CPE_LSM_SESSION_CMD_TX_BUFF_OUTPUT_CONFIG)) { |
| 3793 | ret = -EINVAL; |
| 3794 | goto err_ret; |
| 3795 | } |
| 3796 | |
| 3797 | out_fmt_cfg.format = session->out_fmt_cfg.format; |
| 3798 | out_fmt_cfg.packing = session->out_fmt_cfg.pack_mode; |
| 3799 | out_fmt_cfg.data_path_events = session->out_fmt_cfg.data_path_events; |
| 3800 | |
| 3801 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &out_fmt_cfg); |
| 3802 | if (ret) |
| 3803 | dev_err(core->dev, |
| 3804 | "%s: lsm_set_output_format_cfg failed, err = %d\n", |
| 3805 | __func__, ret); |
| 3806 | |
| 3807 | err_ret: |
| 3808 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 3809 | done: |
| 3810 | return ret; |
| 3811 | } |
| 3812 | |
| 3813 | static void wcd_cpe_snd_model_offset(void *core_handle, |
| 3814 | struct cpe_lsm_session *session, size_t *offset) |
| 3815 | { |
| 3816 | *offset = sizeof(struct cpe_param_data); |
| 3817 | } |
| 3818 | |
| 3819 | static int wcd_cpe_lsm_set_media_fmt_params(void *core_handle, |
| 3820 | struct cpe_lsm_session *session, |
| 3821 | struct lsm_hw_params *param) |
| 3822 | { |
| 3823 | struct cpe_lsm_media_fmt_param media_fmt; |
| 3824 | struct cmi_hdr *msg_hdr = &media_fmt.hdr; |
| 3825 | struct wcd_cpe_core *core = core_handle; |
| 3826 | struct cpe_param_data *param_d = &media_fmt.param; |
| 3827 | struct cpe_lsm_ids ids; |
| 3828 | int ret; |
| 3829 | |
| 3830 | memset(&media_fmt, 0, sizeof(media_fmt)); |
| 3831 | if (fill_lsm_cmd_header_v0_inband(msg_hdr, |
| 3832 | session->id, |
| 3833 | CPE_MEDIA_FMT_PLD_SIZE, |
| 3834 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2)) { |
| 3835 | ret = -EINVAL; |
| 3836 | goto done; |
| 3837 | } |
| 3838 | |
| 3839 | memset(&ids, 0, sizeof(ids)); |
| 3840 | ids.module_id = CPE_LSM_MODULE_FRAMEWORK; |
| 3841 | ids.param_id = CPE_LSM_PARAM_ID_MEDIA_FMT; |
| 3842 | |
| 3843 | wcd_cpe_set_param_data(param_d, &ids, CPE_MEDIA_FMT_PARAM_SIZE, |
| 3844 | CPE_LSM_SESSION_CMD_SET_PARAMS_V2); |
| 3845 | |
| 3846 | media_fmt.minor_version = 1; |
| 3847 | media_fmt.sample_rate = param->sample_rate; |
| 3848 | media_fmt.num_channels = param->num_chs; |
| 3849 | media_fmt.bit_width = param->bit_width; |
| 3850 | |
| 3851 | WCD_CPE_GRAB_LOCK(&session->lsm_lock, "lsm"); |
| 3852 | ret = wcd_cpe_cmi_send_lsm_msg(core, session, &media_fmt); |
| 3853 | if (ret) |
| 3854 | dev_err(core->dev, |
| 3855 | "%s: Set_param(media_format) failed, err=%d\n", |
| 3856 | __func__, ret); |
| 3857 | WCD_CPE_REL_LOCK(&session->lsm_lock, "lsm"); |
| 3858 | done: |
| 3859 | return ret; |
| 3860 | } |
| 3861 | |
| 3862 | static int wcd_cpe_lsm_set_port(void *core_handle, |
| 3863 | struct cpe_lsm_session *session, void *data) |
| 3864 | { |
| 3865 | u32 port_id; |
| 3866 | int ret; |
| 3867 | struct cpe_lsm_ids ids; |
| 3868 | struct wcd_cpe_core *core = core_handle; |
| 3869 | |
| 3870 | ret = wcd_cpe_is_valid_lsm_session(core, session, __func__); |
| 3871 | if (ret) |
| 3872 | goto done; |
| 3873 | |
| 3874 | if (!data) { |
| 3875 | dev_err(core->dev, "%s: data is NULL\n", __func__); |
| 3876 | ret = -EINVAL; |
| 3877 | goto done; |
| 3878 | } |
| 3879 | port_id = *(u32 *)data; |
| 3880 | dev_dbg(core->dev, "%s: port_id: %d\n", __func__, port_id); |
| 3881 | |
| 3882 | memset(&ids, 0, sizeof(ids)); |
| 3883 | ids.module_id = LSM_MODULE_ID_FRAMEWORK; |
| 3884 | ids.param_id = LSM_PARAM_ID_CONNECT_TO_PORT; |
| 3885 | |
| 3886 | ret = wcd_cpe_send_param_connectport(core, session, NULL, |
| 3887 | &ids, port_id); |
| 3888 | if (ret) |
| 3889 | dev_err(core->dev, |
| 3890 | "%s: send_param_connectport failed, err %d\n", |
| 3891 | __func__, ret); |
| 3892 | done: |
| 3893 | return ret; |
| 3894 | } |
| 3895 | |
| 3896 | /* |
| 3897 | * wcd_cpe_get_lsm_ops: register lsm driver to codec |
| 3898 | * @lsm_ops: structure with lsm callbacks |
| 3899 | * @codec: codec to which this lsm driver is registered to |
| 3900 | */ |
| 3901 | int wcd_cpe_get_lsm_ops(struct wcd_cpe_lsm_ops *lsm_ops) |
| 3902 | { |
| 3903 | lsm_ops->lsm_alloc_session = wcd_cpe_alloc_lsm_session; |
| 3904 | lsm_ops->lsm_dealloc_session = wcd_cpe_dealloc_lsm_session; |
| 3905 | lsm_ops->lsm_open_tx = wcd_cpe_cmd_lsm_open_tx; |
| 3906 | lsm_ops->lsm_close_tx = wcd_cpe_cmd_lsm_close_tx; |
| 3907 | lsm_ops->lsm_shmem_alloc = wcd_cpe_cmd_lsm_shmem_alloc; |
| 3908 | lsm_ops->lsm_shmem_dealloc = wcd_cpe_cmd_lsm_shmem_dealloc; |
| 3909 | lsm_ops->lsm_register_snd_model = wcd_cpe_lsm_reg_snd_model; |
| 3910 | lsm_ops->lsm_deregister_snd_model = wcd_cpe_lsm_dereg_snd_model; |
| 3911 | lsm_ops->lsm_get_afe_out_port_id = wcd_cpe_lsm_get_afe_out_port_id; |
| 3912 | lsm_ops->lsm_start = wcd_cpe_cmd_lsm_start; |
| 3913 | lsm_ops->lsm_stop = wcd_cpe_cmd_lsm_stop; |
| 3914 | lsm_ops->lsm_lab_control = wcd_cpe_lsm_lab_control; |
| 3915 | lsm_ops->lab_ch_setup = wcd_cpe_lab_ch_setup; |
| 3916 | lsm_ops->lsm_set_data = wcd_cpe_lsm_set_data; |
| 3917 | lsm_ops->lsm_set_fmt_cfg = wcd_cpe_lsm_set_fmt_cfg; |
| 3918 | lsm_ops->lsm_set_one_param = wcd_cpe_set_one_param; |
| 3919 | lsm_ops->lsm_get_snd_model_offset = wcd_cpe_snd_model_offset; |
| 3920 | lsm_ops->lsm_set_media_fmt_params = wcd_cpe_lsm_set_media_fmt_params; |
| 3921 | lsm_ops->lsm_set_port = wcd_cpe_lsm_set_port; |
| 3922 | |
| 3923 | return 0; |
| 3924 | } |
| 3925 | EXPORT_SYMBOL(wcd_cpe_get_lsm_ops); |
| 3926 | |
| 3927 | static int fill_afe_cmd_header(struct cmi_hdr *hdr, u8 port_id, |
| 3928 | u16 opcode, u8 pld_size, |
| 3929 | bool obm_flag) |
| 3930 | { |
| 3931 | CMI_HDR_SET_SESSION(hdr, port_id); |
| 3932 | CMI_HDR_SET_SERVICE(hdr, CMI_CPE_AFE_SERVICE_ID); |
| 3933 | |
| 3934 | CMI_HDR_SET_PAYLOAD_SIZE(hdr, pld_size); |
| 3935 | |
| 3936 | hdr->opcode = opcode; |
| 3937 | |
| 3938 | if (obm_flag) |
| 3939 | CMI_HDR_SET_OBM(hdr, CMI_OBM_FLAG_OUT_BAND); |
| 3940 | else |
| 3941 | CMI_HDR_SET_OBM(hdr, CMI_OBM_FLAG_IN_BAND); |
| 3942 | |
| 3943 | return 0; |
| 3944 | } |
| 3945 | |
| 3946 | /* |
| 3947 | * wcd_cpe_cmi_send_afe_msg: send message to AFE service |
| 3948 | * @core: wcd cpe core handle |
| 3949 | * @port_cfg: configuration data for the afe port |
| 3950 | * for which this message is to be sent |
| 3951 | * @message: actual message with header and payload |
| 3952 | * |
| 3953 | * Port specific lock needs to be acquired before this |
| 3954 | * function can be invoked |
| 3955 | */ |
| 3956 | static int wcd_cpe_cmi_send_afe_msg( |
| 3957 | struct wcd_cpe_core *core, |
| 3958 | struct wcd_cmi_afe_port_data *port_d, |
| 3959 | void *message) |
| 3960 | { |
| 3961 | int ret = 0; |
| 3962 | struct cmi_hdr *hdr = message; |
| 3963 | |
| 3964 | pr_debug("%s: sending message with opcode 0x%x\n", |
| 3965 | __func__, hdr->opcode); |
| 3966 | |
| 3967 | if (unlikely(!wcd_cpe_is_online_state(core))) { |
| 3968 | dev_err(core->dev, "%s: CPE offline\n", __func__); |
| 3969 | return 0; |
| 3970 | } |
| 3971 | |
| 3972 | if (CMI_HDR_GET_OBM_FLAG(hdr)) |
| 3973 | wcd_cpe_bus_vote_max_bw(core, true); |
| 3974 | |
| 3975 | ret = cmi_send_msg(message); |
| 3976 | if (ret) { |
| 3977 | pr_err("%s: cmd 0x%x send failed, err = %d\n", |
| 3978 | __func__, hdr->opcode, ret); |
| 3979 | goto rel_bus_vote; |
| 3980 | } |
| 3981 | |
| 3982 | ret = wait_for_completion_timeout(&port_d->afe_cmd_complete, |
| 3983 | CMI_CMD_TIMEOUT); |
| 3984 | if (ret > 0) { |
| 3985 | pr_debug("%s: command 0x%x, received response 0x%x\n", |
| 3986 | __func__, hdr->opcode, port_d->cmd_result); |
| 3987 | if (port_d->cmd_result == CMI_SHMEM_ALLOC_FAILED) |
| 3988 | port_d->cmd_result = CPE_ENOMEMORY; |
| 3989 | if (port_d->cmd_result > 0) |
| 3990 | pr_err("%s: CPE returned error[%s]\n", |
| 3991 | __func__, cpe_err_get_err_str( |
| 3992 | port_d->cmd_result)); |
| 3993 | ret = cpe_err_get_lnx_err_code(port_d->cmd_result); |
| 3994 | goto rel_bus_vote; |
| 3995 | } else { |
| 3996 | pr_err("%s: command 0x%x send timed out\n", |
| 3997 | __func__, hdr->opcode); |
| 3998 | ret = -ETIMEDOUT; |
| 3999 | goto rel_bus_vote; |
| 4000 | } |
| 4001 | |
| 4002 | rel_bus_vote: |
| 4003 | reinit_completion(&port_d->afe_cmd_complete); |
| 4004 | |
| 4005 | if (CMI_HDR_GET_OBM_FLAG(hdr)) |
| 4006 | wcd_cpe_bus_vote_max_bw(core, false); |
| 4007 | |
| 4008 | return ret; |
| 4009 | } |
| 4010 | |
| 4011 | |
| 4012 | |
| 4013 | /* |
| 4014 | * wcd_cpe_afe_shmem_alloc: allocate the cpe memory for afe service |
| 4015 | * @core: handle to cpe core |
| 4016 | * @port_cfg: configuration data for the port which needs |
| 4017 | * memory to be allocated on CPE |
| 4018 | * @size: size of the memory to be allocated |
| 4019 | */ |
| 4020 | static int wcd_cpe_afe_shmem_alloc( |
| 4021 | struct wcd_cpe_core *core, |
| 4022 | struct wcd_cmi_afe_port_data *port_d, |
| 4023 | u32 size) |
| 4024 | { |
| 4025 | struct cpe_cmd_shmem_alloc cmd_shmem_alloc; |
| 4026 | int ret = 0; |
| 4027 | |
| 4028 | pr_debug("%s: enter: size = %d\n", __func__, size); |
| 4029 | |
| 4030 | memset(&cmd_shmem_alloc, 0, sizeof(cmd_shmem_alloc)); |
| 4031 | if (fill_afe_cmd_header(&cmd_shmem_alloc.hdr, port_d->port_id, |
| 4032 | CPE_AFE_PORT_CMD_SHARED_MEM_ALLOC, |
| 4033 | SHMEM_ALLOC_CMD_PLD_SIZE, false)) { |
| 4034 | ret = -EINVAL; |
| 4035 | goto end_ret; |
| 4036 | } |
| 4037 | |
| 4038 | cmd_shmem_alloc.size = size; |
| 4039 | |
| 4040 | ret = wcd_cpe_cmi_send_afe_msg(core, port_d, &cmd_shmem_alloc); |
| 4041 | if (ret) { |
| 4042 | pr_err("%s: afe_shmem_alloc fail,ret = %d\n", |
| 4043 | __func__, ret); |
| 4044 | goto end_ret; |
| 4045 | } |
| 4046 | |
| 4047 | pr_debug("%s: completed %s, mem_handle = 0x%x\n", |
| 4048 | __func__, "CPE_AFE_CMD_SHARED_MEM_ALLOC", |
| 4049 | port_d->mem_handle); |
| 4050 | |
| 4051 | end_ret: |
| 4052 | return ret; |
| 4053 | } |
| 4054 | |
| 4055 | /* |
| 4056 | * wcd_cpe_afe_shmem_dealloc: deallocate the cpe memory for |
| 4057 | * afe service |
| 4058 | * @core: handle to cpe core |
| 4059 | * @port_d: configuration data for the port which needs |
| 4060 | * memory to be deallocated on CPE |
| 4061 | * The memory handle to be de-allocated is saved in the |
| 4062 | * port configuration data |
| 4063 | */ |
| 4064 | static int wcd_cpe_afe_shmem_dealloc( |
| 4065 | struct wcd_cpe_core *core, |
| 4066 | struct wcd_cmi_afe_port_data *port_d) |
| 4067 | { |
| 4068 | struct cpe_cmd_shmem_dealloc cmd_dealloc; |
| 4069 | int ret = 0; |
| 4070 | |
| 4071 | pr_debug("%s: enter, port_id = %d\n", |
| 4072 | __func__, port_d->port_id); |
| 4073 | |
| 4074 | memset(&cmd_dealloc, 0, sizeof(cmd_dealloc)); |
| 4075 | if (fill_afe_cmd_header(&cmd_dealloc.hdr, port_d->port_id, |
| 4076 | CPE_AFE_PORT_CMD_SHARED_MEM_DEALLOC, |
| 4077 | SHMEM_DEALLOC_CMD_PLD_SIZE, false)) { |
| 4078 | ret = -EINVAL; |
| 4079 | goto end_ret; |
| 4080 | } |
| 4081 | |
| 4082 | cmd_dealloc.addr = port_d->mem_handle; |
| 4083 | ret = wcd_cpe_cmi_send_afe_msg(core, port_d, &cmd_dealloc); |
| 4084 | if (ret) { |
| 4085 | pr_err("failed to send shmem_dealloc cmd\n"); |
| 4086 | goto end_ret; |
| 4087 | } |
| 4088 | memset(&port_d->mem_handle, 0, |
| 4089 | sizeof(port_d->mem_handle)); |
| 4090 | |
| 4091 | end_ret: |
| 4092 | return ret; |
| 4093 | } |
| 4094 | |
| 4095 | /* |
| 4096 | * wcd_cpe_send_afe_cal: send the acdb calibration to AFE port |
| 4097 | * @core: handle to cpe core |
| 4098 | * @port_d: configuration data for the port for which the |
| 4099 | * calibration needs to be appplied |
| 4100 | */ |
| 4101 | static int wcd_cpe_send_afe_cal(void *core_handle, |
| 4102 | struct wcd_cmi_afe_port_data *port_d) |
| 4103 | { |
| 4104 | |
| 4105 | struct cal_block_data *afe_cal = NULL; |
| 4106 | struct wcd_cpe_core *core = core_handle; |
| 4107 | struct cmi_obm_msg obm_msg; |
| 4108 | void *inb_msg = NULL; |
| 4109 | void *msg; |
| 4110 | int rc = 0; |
| 4111 | bool is_obm_msg; |
| 4112 | |
| 4113 | if (core->cal_data[WCD_CPE_LSM_CAL_AFE] == NULL) { |
| 4114 | pr_err("%s: LSM cal not allocated!\n", |
| 4115 | __func__); |
| 4116 | rc = -EINVAL; |
| 4117 | goto rel_cal_mutex; |
| 4118 | } |
| 4119 | |
| 4120 | mutex_lock(&core->cal_data[WCD_CPE_LSM_CAL_AFE]->lock); |
| 4121 | afe_cal = cal_utils_get_only_cal_block( |
| 4122 | core->cal_data[WCD_CPE_LSM_CAL_AFE]); |
| 4123 | if (!afe_cal) { |
| 4124 | pr_err("%s: failed to get afe cal block\n", |
| 4125 | __func__); |
| 4126 | rc = -EINVAL; |
| 4127 | goto rel_cal_mutex; |
| 4128 | } |
| 4129 | |
| 4130 | if (afe_cal->cal_data.size == 0) { |
| 4131 | dev_dbg(core->dev, "%s: No AFE cal to send\n", |
| 4132 | __func__); |
| 4133 | rc = 0; |
| 4134 | goto rel_cal_mutex; |
| 4135 | } |
| 4136 | |
| 4137 | is_obm_msg = (afe_cal->cal_data.size > |
| 4138 | CMI_INBAND_MESSAGE_SIZE) ? true : false; |
| 4139 | |
| 4140 | if (is_obm_msg) { |
| 4141 | struct cmi_hdr *hdr = &(obm_msg.hdr); |
| 4142 | struct cmi_obm *pld = &(obm_msg.pld); |
| 4143 | |
| 4144 | rc = wcd_cpe_afe_shmem_alloc(core, port_d, |
| 4145 | afe_cal->cal_data.size); |
| 4146 | if (rc) { |
| 4147 | dev_err(core->dev, |
| 4148 | "%s: AFE shmem alloc fail %d\n", |
| 4149 | __func__, rc); |
| 4150 | goto rel_cal_mutex; |
| 4151 | } |
| 4152 | |
| 4153 | rc = fill_afe_cmd_header(hdr, port_d->port_id, |
| 4154 | CPE_AFE_CMD_SET_PARAM, |
| 4155 | CPE_AFE_PARAM_PAYLOAD_SIZE, |
| 4156 | true); |
| 4157 | if (rc) { |
| 4158 | dev_err(core->dev, |
| 4159 | "%s: invalid params for header, err = %d\n", |
| 4160 | __func__, rc); |
| 4161 | wcd_cpe_afe_shmem_dealloc(core, port_d); |
| 4162 | goto rel_cal_mutex; |
| 4163 | } |
| 4164 | |
| 4165 | pld->version = 0; |
| 4166 | pld->size = afe_cal->cal_data.size; |
| 4167 | pld->data_ptr.kvaddr = afe_cal->cal_data.kvaddr; |
| 4168 | pld->mem_handle = port_d->mem_handle; |
| 4169 | msg = &obm_msg; |
| 4170 | |
| 4171 | } else { |
| 4172 | u8 *msg_pld; |
| 4173 | struct cmi_hdr *hdr; |
| 4174 | |
| 4175 | inb_msg = kzalloc(sizeof(struct cmi_hdr) + |
| 4176 | afe_cal->cal_data.size, |
| 4177 | GFP_KERNEL); |
| 4178 | if (!inb_msg) { |
| 4179 | dev_err(core->dev, |
| 4180 | "%s: no memory for afe cal inband\n", |
| 4181 | __func__); |
| 4182 | rc = -ENOMEM; |
| 4183 | goto rel_cal_mutex; |
| 4184 | } |
| 4185 | |
| 4186 | hdr = (struct cmi_hdr *) inb_msg; |
| 4187 | |
| 4188 | rc = fill_afe_cmd_header(hdr, port_d->port_id, |
| 4189 | CPE_AFE_CMD_SET_PARAM, |
| 4190 | CPE_AFE_PARAM_PAYLOAD_SIZE, |
| 4191 | false); |
| 4192 | if (rc) { |
| 4193 | dev_err(core->dev, |
| 4194 | "%s: invalid params for header, err = %d\n", |
| 4195 | __func__, rc); |
| 4196 | kfree(inb_msg); |
| 4197 | inb_msg = NULL; |
| 4198 | goto rel_cal_mutex; |
| 4199 | } |
| 4200 | |
| 4201 | msg_pld = ((u8 *) inb_msg) + sizeof(struct cmi_hdr); |
| 4202 | memcpy(msg_pld, afe_cal->cal_data.kvaddr, |
| 4203 | afe_cal->cal_data.size); |
| 4204 | |
| 4205 | msg = inb_msg; |
| 4206 | } |
| 4207 | |
| 4208 | rc = wcd_cpe_cmi_send_afe_msg(core, port_d, msg); |
| 4209 | if (rc) |
| 4210 | pr_err("%s: afe cal for listen failed, rc = %d\n", |
| 4211 | __func__, rc); |
| 4212 | |
| 4213 | if (is_obm_msg) { |
| 4214 | wcd_cpe_afe_shmem_dealloc(core, port_d); |
| 4215 | port_d->mem_handle = 0; |
| 4216 | } else { |
| 4217 | kfree(inb_msg); |
| 4218 | inb_msg = NULL; |
| 4219 | } |
| 4220 | |
| 4221 | rel_cal_mutex: |
| 4222 | mutex_unlock(&core->cal_data[WCD_CPE_LSM_CAL_AFE]->lock); |
| 4223 | return rc; |
| 4224 | } |
| 4225 | |
| 4226 | /* |
| 4227 | * wcd_cpe_is_valid_port: check validity of afe port id |
| 4228 | * @core: handle to core to check for validity |
| 4229 | * @afe_cfg: client provided afe configuration |
| 4230 | * @func: function name invoking this validity check, |
| 4231 | * used for logging purpose only. |
| 4232 | */ |
| 4233 | static int wcd_cpe_is_valid_port(struct wcd_cpe_core *core, |
| 4234 | struct wcd_cpe_afe_port_cfg *afe_cfg, |
| 4235 | const char *func) |
| 4236 | { |
| 4237 | if (unlikely(IS_ERR_OR_NULL(core))) { |
| 4238 | pr_err("%s: Invalid core handle\n", func); |
| 4239 | return -EINVAL; |
| 4240 | } |
| 4241 | |
| 4242 | if (afe_cfg->port_id > WCD_CPE_AFE_MAX_PORTS) { |
| 4243 | dev_err(core->dev, |
| 4244 | "%s: invalid afe port (%u)\n", |
| 4245 | func, afe_cfg->port_id); |
| 4246 | return -EINVAL; |
| 4247 | } |
| 4248 | |
| 4249 | dev_dbg(core->dev, |
| 4250 | "%s: port_id = %u\n", |
| 4251 | func, afe_cfg->port_id); |
| 4252 | |
| 4253 | return 0; |
| 4254 | } |
| 4255 | |
| 4256 | static int wcd_cpe_afe_svc_cmd_mode(void *core_handle, |
| 4257 | u8 mode) |
| 4258 | { |
| 4259 | struct cpe_afe_svc_cmd_mode afe_mode; |
| 4260 | struct wcd_cpe_core *core = core_handle; |
| 4261 | struct wcd_cmi_afe_port_data *afe_port_d; |
| 4262 | int ret; |
| 4263 | |
| 4264 | afe_port_d = &afe_ports[0]; |
| 4265 | /* |
| 4266 | * AFE SVC mode command is for the service and not port |
| 4267 | * specific, hence use AFE port as 0 so the command will |
| 4268 | * be applied to all AFE ports on CPE. |
| 4269 | */ |
| 4270 | afe_port_d->port_id = 0; |
| 4271 | |
| 4272 | WCD_CPE_GRAB_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4273 | memset(&afe_mode, 0, sizeof(afe_mode)); |
| 4274 | if (fill_afe_cmd_header(&afe_mode.hdr, afe_port_d->port_id, |
| 4275 | CPE_AFE_SVC_CMD_LAB_MODE, |
| 4276 | CPE_AFE_CMD_MODE_PAYLOAD_SIZE, |
| 4277 | false)) { |
| 4278 | ret = -EINVAL; |
| 4279 | goto err_ret; |
| 4280 | } |
| 4281 | |
| 4282 | afe_mode.mode = mode; |
| 4283 | |
| 4284 | ret = wcd_cpe_cmi_send_afe_msg(core, afe_port_d, &afe_mode); |
| 4285 | if (ret) |
| 4286 | dev_err(core->dev, |
| 4287 | "%s: afe_svc_mode cmd failed, err = %d\n", |
| 4288 | __func__, ret); |
| 4289 | |
| 4290 | err_ret: |
| 4291 | WCD_CPE_REL_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4292 | return ret; |
| 4293 | } |
| 4294 | |
| 4295 | static int wcd_cpe_afe_cmd_port_cfg(void *core_handle, |
| 4296 | struct wcd_cpe_afe_port_cfg *afe_cfg) |
| 4297 | { |
| 4298 | struct cpe_afe_cmd_port_cfg port_cfg_cmd; |
| 4299 | struct wcd_cpe_core *core = core_handle; |
| 4300 | struct wcd_cmi_afe_port_data *afe_port_d; |
| 4301 | int ret; |
| 4302 | |
| 4303 | ret = wcd_cpe_is_valid_port(core, afe_cfg, __func__); |
| 4304 | if (ret) |
| 4305 | goto done; |
| 4306 | |
| 4307 | afe_port_d = &afe_ports[afe_cfg->port_id]; |
| 4308 | afe_port_d->port_id = afe_cfg->port_id; |
| 4309 | |
| 4310 | WCD_CPE_GRAB_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4311 | memset(&port_cfg_cmd, 0, sizeof(port_cfg_cmd)); |
| 4312 | if (fill_afe_cmd_header(&port_cfg_cmd.hdr, |
| 4313 | afe_cfg->port_id, |
| 4314 | CPE_AFE_PORT_CMD_GENERIC_CONFIG, |
| 4315 | CPE_AFE_CMD_PORT_CFG_PAYLOAD_SIZE, |
| 4316 | false)) { |
| 4317 | ret = -EINVAL; |
| 4318 | goto err_ret; |
| 4319 | } |
| 4320 | |
| 4321 | port_cfg_cmd.bit_width = afe_cfg->bit_width; |
| 4322 | port_cfg_cmd.num_channels = afe_cfg->num_channels; |
| 4323 | port_cfg_cmd.sample_rate = afe_cfg->sample_rate; |
| 4324 | |
| 4325 | if (afe_port_d->port_id == CPE_AFE_PORT_3_TX) |
| 4326 | port_cfg_cmd.buffer_size = WCD_CPE_EC_PP_BUF_SIZE; |
| 4327 | else |
| 4328 | port_cfg_cmd.buffer_size = AFE_OUT_BUF_SIZE(afe_cfg->bit_width, |
| 4329 | afe_cfg->sample_rate); |
| 4330 | |
| 4331 | ret = wcd_cpe_cmi_send_afe_msg(core, afe_port_d, &port_cfg_cmd); |
| 4332 | if (ret) |
| 4333 | dev_err(core->dev, |
| 4334 | "%s: afe_port_config failed, err = %d\n", |
| 4335 | __func__, ret); |
| 4336 | |
| 4337 | err_ret: |
| 4338 | WCD_CPE_REL_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4339 | done: |
| 4340 | return ret; |
| 4341 | } |
| 4342 | |
| 4343 | /* |
| 4344 | * wcd_cpe_afe_set_params: set the parameters for afe port |
| 4345 | * @afe_cfg: configuration data for the port for which the |
| 4346 | * parameters are to be set |
| 4347 | */ |
| 4348 | static int wcd_cpe_afe_set_params(void *core_handle, |
| 4349 | struct wcd_cpe_afe_port_cfg *afe_cfg, bool afe_mad_ctl) |
| 4350 | { |
| 4351 | struct cpe_afe_params afe_params; |
| 4352 | struct cpe_afe_hw_mad_ctrl *hw_mad_ctrl = &afe_params.hw_mad_ctrl; |
| 4353 | struct cpe_afe_port_cfg *port_cfg = &afe_params.port_cfg; |
| 4354 | struct wcd_cpe_core *core = core_handle; |
| 4355 | struct wcd_cmi_afe_port_data *afe_port_d; |
| 4356 | int ret = 0, pld_size = 0; |
| 4357 | |
| 4358 | ret = wcd_cpe_is_valid_port(core, afe_cfg, __func__); |
| 4359 | if (ret) |
| 4360 | return ret; |
| 4361 | |
| 4362 | afe_port_d = &afe_ports[afe_cfg->port_id]; |
| 4363 | afe_port_d->port_id = afe_cfg->port_id; |
| 4364 | |
| 4365 | WCD_CPE_GRAB_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4366 | |
| 4367 | ret = wcd_cpe_send_afe_cal(core, afe_port_d); |
| 4368 | if (ret) { |
| 4369 | dev_err(core->dev, |
| 4370 | "%s: afe acdb cal send failed, err = %d\n", |
| 4371 | __func__, ret); |
| 4372 | goto err_ret; |
| 4373 | } |
| 4374 | |
| 4375 | pld_size = CPE_AFE_PARAM_PAYLOAD_SIZE; |
| 4376 | memset(&afe_params, 0, sizeof(afe_params)); |
| 4377 | |
| 4378 | if (fill_afe_cmd_header(&afe_params.hdr, |
| 4379 | afe_cfg->port_id, |
| 4380 | CPE_AFE_CMD_SET_PARAM, |
| 4381 | (u8) pld_size, false)) { |
| 4382 | ret = -EINVAL; |
| 4383 | goto err_ret; |
| 4384 | } |
| 4385 | |
| 4386 | hw_mad_ctrl->param.module_id = CPE_AFE_MODULE_HW_MAD; |
| 4387 | hw_mad_ctrl->param.param_id = CPE_AFE_PARAM_ID_HW_MAD_CTL; |
| 4388 | hw_mad_ctrl->param.p_size.sr.param_size = PARAM_SIZE_AFE_HW_MAD_CTRL; |
| 4389 | hw_mad_ctrl->param.p_size.sr.reserved = 0; |
| 4390 | hw_mad_ctrl->minor_version = 1; |
| 4391 | hw_mad_ctrl->mad_type = MAD_TYPE_AUDIO; |
| 4392 | hw_mad_ctrl->mad_enable = afe_mad_ctl; |
| 4393 | |
| 4394 | port_cfg->param.module_id = CPE_AFE_MODULE_AUDIO_DEV_INTERFACE; |
| 4395 | port_cfg->param.param_id = CPE_AFE_PARAM_ID_GENERIC_PORT_CONFIG; |
| 4396 | port_cfg->param.p_size.sr.param_size = PARAM_SIZE_AFE_PORT_CFG; |
| 4397 | port_cfg->param.p_size.sr.reserved = 0; |
| 4398 | port_cfg->minor_version = 1; |
| 4399 | port_cfg->bit_width = afe_cfg->bit_width; |
| 4400 | port_cfg->num_channels = afe_cfg->num_channels; |
| 4401 | port_cfg->sample_rate = afe_cfg->sample_rate; |
| 4402 | |
| 4403 | ret = wcd_cpe_cmi_send_afe_msg(core, afe_port_d, &afe_params); |
| 4404 | if (ret) |
| 4405 | dev_err(core->dev, |
| 4406 | "%s: afe_port_config failed, err = %d\n", |
| 4407 | __func__, ret); |
| 4408 | err_ret: |
| 4409 | WCD_CPE_REL_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4410 | return ret; |
| 4411 | } |
| 4412 | |
| 4413 | /* |
| 4414 | * wcd_cpe_afe_port_start: send the start command to afe service |
| 4415 | * @core_handle: handle to the cpe core |
| 4416 | * @port_cfg: configuration data for the afe port which needs |
| 4417 | * to be started. |
| 4418 | */ |
| 4419 | static int wcd_cpe_afe_port_start(void *core_handle, |
| 4420 | struct wcd_cpe_afe_port_cfg *port_cfg) |
| 4421 | { |
| 4422 | |
| 4423 | struct cmi_hdr hdr; |
| 4424 | struct wcd_cpe_core *core = core_handle; |
| 4425 | struct wcd_cmi_afe_port_data *afe_port_d; |
| 4426 | int ret = 0; |
| 4427 | |
| 4428 | ret = wcd_cpe_is_valid_port(core, port_cfg, __func__); |
| 4429 | if (ret) |
| 4430 | return ret; |
| 4431 | |
| 4432 | afe_port_d = &afe_ports[port_cfg->port_id]; |
| 4433 | afe_port_d->port_id = port_cfg->port_id; |
| 4434 | |
| 4435 | WCD_CPE_GRAB_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4436 | |
| 4437 | memset(&hdr, 0, sizeof(struct cmi_hdr)); |
| 4438 | fill_afe_cmd_header(&hdr, port_cfg->port_id, |
| 4439 | CPE_AFE_PORT_CMD_START, |
| 4440 | 0, false); |
| 4441 | ret = wcd_cpe_cmi_send_afe_msg(core, afe_port_d, &hdr); |
| 4442 | if (ret) |
| 4443 | dev_err(core->dev, |
| 4444 | "%s: afe_port_start cmd failed, err = %d\n", |
| 4445 | __func__, ret); |
| 4446 | WCD_CPE_REL_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4447 | return ret; |
| 4448 | } |
| 4449 | |
| 4450 | /* |
| 4451 | * wcd_cpe_afe_port_stop: send stop command to afe service |
| 4452 | * @core_handle: handle to the cpe core |
| 4453 | * @port_cfg: configuration data for the afe port which needs |
| 4454 | * to be stopped. |
| 4455 | */ |
| 4456 | static int wcd_cpe_afe_port_stop(void *core_handle, |
| 4457 | struct wcd_cpe_afe_port_cfg *port_cfg) |
| 4458 | { |
| 4459 | struct cmi_hdr hdr; |
| 4460 | struct wcd_cpe_core *core = core_handle; |
| 4461 | struct wcd_cmi_afe_port_data *afe_port_d; |
| 4462 | int ret = 0; |
| 4463 | |
| 4464 | ret = wcd_cpe_is_valid_port(core, port_cfg, __func__); |
| 4465 | if (ret) |
| 4466 | return ret; |
| 4467 | |
| 4468 | afe_port_d = &afe_ports[port_cfg->port_id]; |
| 4469 | afe_port_d->port_id = port_cfg->port_id; |
| 4470 | |
| 4471 | WCD_CPE_GRAB_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4472 | |
| 4473 | memset(&hdr, 0, sizeof(hdr)); |
| 4474 | fill_afe_cmd_header(&hdr, port_cfg->port_id, |
| 4475 | CPE_AFE_PORT_CMD_STOP, |
| 4476 | 0, false); |
| 4477 | ret = wcd_cpe_cmi_send_afe_msg(core, afe_port_d, &hdr); |
| 4478 | if (ret) |
| 4479 | dev_err(core->dev, |
| 4480 | "%s: afe_stop cmd failed, err = %d\n", |
| 4481 | __func__, ret); |
| 4482 | |
| 4483 | WCD_CPE_REL_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4484 | return ret; |
| 4485 | } |
| 4486 | |
| 4487 | /* |
| 4488 | * wcd_cpe_afe_port_suspend: send suspend command to afe service |
| 4489 | * @core_handle: handle to the cpe core |
| 4490 | * @port_cfg: configuration data for the afe port which needs |
| 4491 | * to be suspended. |
| 4492 | */ |
| 4493 | static int wcd_cpe_afe_port_suspend(void *core_handle, |
| 4494 | struct wcd_cpe_afe_port_cfg *port_cfg) |
| 4495 | { |
| 4496 | struct cmi_hdr hdr; |
| 4497 | struct wcd_cpe_core *core = core_handle; |
| 4498 | struct wcd_cmi_afe_port_data *afe_port_d; |
| 4499 | int ret = 0; |
| 4500 | |
| 4501 | ret = wcd_cpe_is_valid_port(core, port_cfg, __func__); |
| 4502 | if (ret) |
| 4503 | return ret; |
| 4504 | |
| 4505 | afe_port_d = &afe_ports[port_cfg->port_id]; |
| 4506 | afe_port_d->port_id = port_cfg->port_id; |
| 4507 | |
| 4508 | WCD_CPE_GRAB_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4509 | |
| 4510 | memset(&hdr, 0, sizeof(struct cmi_hdr)); |
| 4511 | fill_afe_cmd_header(&hdr, port_cfg->port_id, |
| 4512 | CPE_AFE_PORT_CMD_SUSPEND, |
| 4513 | 0, false); |
| 4514 | ret = wcd_cpe_cmi_send_afe_msg(core, afe_port_d, &hdr); |
| 4515 | if (ret) |
| 4516 | dev_err(core->dev, |
| 4517 | "%s: afe_suspend cmd failed, err = %d\n", |
| 4518 | __func__, ret); |
| 4519 | WCD_CPE_REL_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4520 | return ret; |
| 4521 | } |
| 4522 | |
| 4523 | /* |
| 4524 | * wcd_cpe_afe_port_resume: send the resume command to afe service |
| 4525 | * @core_handle: handle to the cpe core |
| 4526 | * @port_cfg: configuration data for the afe port which needs |
| 4527 | * to be resumed. |
| 4528 | */ |
| 4529 | static int wcd_cpe_afe_port_resume(void *core_handle, |
| 4530 | struct wcd_cpe_afe_port_cfg *port_cfg) |
| 4531 | { |
| 4532 | struct cmi_hdr hdr; |
| 4533 | struct wcd_cpe_core *core = core_handle; |
| 4534 | struct wcd_cmi_afe_port_data *afe_port_d; |
| 4535 | int ret = 0; |
| 4536 | |
| 4537 | ret = wcd_cpe_is_valid_port(core, port_cfg, __func__); |
| 4538 | if (ret) |
| 4539 | return ret; |
| 4540 | |
| 4541 | afe_port_d = &afe_ports[port_cfg->port_id]; |
| 4542 | afe_port_d->port_id = port_cfg->port_id; |
| 4543 | |
| 4544 | WCD_CPE_GRAB_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4545 | |
| 4546 | memset(&hdr, 0, sizeof(hdr)); |
| 4547 | fill_afe_cmd_header(&hdr, port_cfg->port_id, |
| 4548 | CPE_AFE_PORT_CMD_RESUME, |
| 4549 | 0, false); |
| 4550 | ret = wcd_cpe_cmi_send_afe_msg(core, afe_port_d, &hdr); |
| 4551 | if (ret) |
| 4552 | dev_err(core->dev, |
| 4553 | "%s: afe_resume cmd failed, err = %d\n", |
| 4554 | __func__, ret); |
| 4555 | WCD_CPE_REL_LOCK(&afe_port_d->afe_lock, "afe"); |
| 4556 | return ret; |
| 4557 | |
| 4558 | } |
| 4559 | |
| 4560 | /* |
| 4561 | * wcd_cpe_register_afe_driver: register lsm driver to codec |
| 4562 | * @cpe_ops: structure with lsm callbacks |
| 4563 | * @codec: codec to which this lsm driver is registered to |
| 4564 | */ |
| 4565 | int wcd_cpe_get_afe_ops(struct wcd_cpe_afe_ops *afe_ops) |
| 4566 | { |
| 4567 | afe_ops->afe_set_params = wcd_cpe_afe_set_params; |
| 4568 | afe_ops->afe_port_start = wcd_cpe_afe_port_start; |
| 4569 | afe_ops->afe_port_stop = wcd_cpe_afe_port_stop; |
| 4570 | afe_ops->afe_port_suspend = wcd_cpe_afe_port_suspend; |
| 4571 | afe_ops->afe_port_resume = wcd_cpe_afe_port_resume; |
| 4572 | afe_ops->afe_port_cmd_cfg = wcd_cpe_afe_cmd_port_cfg; |
| 4573 | |
| 4574 | return 0; |
| 4575 | } |
| 4576 | EXPORT_SYMBOL(wcd_cpe_get_afe_ops); |
| 4577 | |
| 4578 | MODULE_DESCRIPTION("WCD CPE Core"); |
| 4579 | MODULE_LICENSE("GPL v2"); |