Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013-2017, The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 and |
| 6 | * only version 2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | */ |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/err.h> |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/time.h> |
| 17 | #include <linux/wait.h> |
| 18 | #include <linux/platform_device.h> |
| 19 | #include <linux/slab.h> |
| 20 | #include <linux/dma-mapping.h> |
| 21 | #include <linux/of.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 22 | #include <linux/freezer.h> |
| 23 | #include <sound/core.h> |
| 24 | #include <sound/soc.h> |
| 25 | #include <sound/soc-dapm.h> |
| 26 | #include <sound/pcm.h> |
| 27 | #include <sound/timer.h> |
| 28 | #include <sound/initval.h> |
| 29 | #include <sound/control.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 30 | #include <sound/lsm_params.h> |
| 31 | #include <sound/pcm_params.h> |
Laxminath Kasam | 605b42f | 2017-08-01 22:02:15 +0530 | [diff] [blame] | 32 | #include <dsp/msm_audio_ion.h> |
| 33 | #include <dsp/q6lsm.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 34 | #include "msm-pcm-routing-v2.h" |
| 35 | |
| 36 | #define CAPTURE_MIN_NUM_PERIODS 2 |
| 37 | #define CAPTURE_MAX_NUM_PERIODS 8 |
| 38 | #define CAPTURE_MAX_PERIOD_SIZE 61440 |
| 39 | #define CAPTURE_MIN_PERIOD_SIZE 320 |
| 40 | #define LISTEN_MAX_STATUS_PAYLOAD_SIZE 256 |
| 41 | |
| 42 | #define LAB_BUFFER_ALLOC 1 |
| 43 | #define LAB_BUFFER_DEALLOC 0 |
| 44 | |
| 45 | static struct snd_pcm_hardware msm_pcm_hardware_capture = { |
| 46 | .info = (SNDRV_PCM_INFO_MMAP | |
| 47 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 48 | SNDRV_PCM_INFO_INTERLEAVED | |
| 49 | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME), |
| 50 | .formats = (SNDRV_PCM_FMTBIT_S16_LE | |
| 51 | SNDRV_PCM_FMTBIT_S24_LE), |
| 52 | .rates = (SNDRV_PCM_RATE_16000 | |
| 53 | SNDRV_PCM_RATE_48000), |
| 54 | .rate_min = 16000, |
| 55 | .rate_max = 48000, |
| 56 | .channels_min = 1, |
| 57 | .channels_max = 4, |
| 58 | .buffer_bytes_max = CAPTURE_MAX_NUM_PERIODS * |
| 59 | CAPTURE_MAX_PERIOD_SIZE, |
| 60 | .period_bytes_min = CAPTURE_MIN_PERIOD_SIZE, |
| 61 | .period_bytes_max = CAPTURE_MAX_PERIOD_SIZE, |
| 62 | .periods_min = CAPTURE_MIN_NUM_PERIODS, |
| 63 | .periods_max = CAPTURE_MAX_NUM_PERIODS, |
| 64 | .fifo_size = 0, |
| 65 | }; |
| 66 | |
| 67 | /* Conventional and unconventional sample rate supported */ |
| 68 | static unsigned int supported_sample_rates[] = { |
| 69 | 16000, 48000, |
| 70 | }; |
| 71 | |
| 72 | static struct snd_pcm_hw_constraint_list constraints_sample_rates = { |
| 73 | .count = ARRAY_SIZE(supported_sample_rates), |
| 74 | .list = supported_sample_rates, |
| 75 | .mask = 0, |
| 76 | }; |
| 77 | |
| 78 | struct lsm_priv { |
| 79 | struct snd_pcm_substream *substream; |
| 80 | struct lsm_client *lsm_client; |
| 81 | struct snd_lsm_event_status_v3 *event_status; |
| 82 | spinlock_t event_lock; |
| 83 | wait_queue_head_t event_wait; |
| 84 | unsigned long event_avail; |
| 85 | atomic_t event_wait_stop; |
| 86 | atomic_t buf_count; |
| 87 | atomic_t read_abort; |
| 88 | wait_queue_head_t period_wait; |
| 89 | struct mutex lsm_api_lock; |
| 90 | int appl_cnt; |
| 91 | int dma_write; |
| 92 | }; |
| 93 | |
| 94 | enum { /* lsm session states */ |
| 95 | IDLE = 0, |
| 96 | RUNNING, |
| 97 | }; |
| 98 | |
| 99 | static int msm_lsm_queue_lab_buffer(struct lsm_priv *prtd, int i) |
| 100 | { |
| 101 | int rc = 0; |
| 102 | struct lsm_cmd_read cmd_read; |
| 103 | struct snd_soc_pcm_runtime *rtd; |
| 104 | |
| 105 | if (!prtd || !prtd->lsm_client) { |
| 106 | pr_err("%s: Invalid params prtd %pK lsm client %pK\n", |
| 107 | __func__, prtd, ((!prtd) ? NULL : prtd->lsm_client)); |
| 108 | return -EINVAL; |
| 109 | } |
| 110 | if (!prtd->substream || !prtd->substream->private_data) { |
| 111 | pr_err("%s: Invalid %s\n", __func__, |
| 112 | (!prtd->substream) ? "substream" : "private_data"); |
| 113 | return -EINVAL; |
| 114 | } |
| 115 | rtd = prtd->substream->private_data; |
| 116 | |
| 117 | if (!prtd->lsm_client->lab_buffer || |
| 118 | i >= prtd->lsm_client->hw_params.period_count) { |
| 119 | dev_err(rtd->dev, |
| 120 | "%s: Lab buffer not setup %pK incorrect index %d period count %d\n", |
| 121 | __func__, prtd->lsm_client->lab_buffer, i, |
| 122 | prtd->lsm_client->hw_params.period_count); |
| 123 | return -EINVAL; |
| 124 | } |
| 125 | cmd_read.buf_addr_lsw = |
| 126 | lower_32_bits(prtd->lsm_client->lab_buffer[i].phys); |
| 127 | cmd_read.buf_addr_msw = |
| 128 | msm_audio_populate_upper_32_bits( |
| 129 | prtd->lsm_client->lab_buffer[i].phys); |
| 130 | cmd_read.buf_size = prtd->lsm_client->lab_buffer[i].size; |
| 131 | cmd_read.mem_map_handle = |
| 132 | prtd->lsm_client->lab_buffer[i].mem_map_handle; |
| 133 | rc = q6lsm_read(prtd->lsm_client, &cmd_read); |
| 134 | if (rc) |
| 135 | dev_err(rtd->dev, |
| 136 | "%s: error in queuing the lab buffer rc %d\n", |
| 137 | __func__, rc); |
| 138 | return rc; |
| 139 | } |
| 140 | |
| 141 | static int lsm_lab_buffer_sanity(struct lsm_priv *prtd, |
| 142 | struct lsm_cmd_read_done *read_done, int *index) |
| 143 | { |
| 144 | int i = 0, rc = -EINVAL; |
| 145 | struct snd_soc_pcm_runtime *rtd; |
| 146 | |
| 147 | if (!prtd || !read_done || !index) { |
| 148 | pr_err("%s: Invalid params prtd %pK read_done %pK index %pK\n", |
| 149 | __func__, prtd, read_done, index); |
| 150 | return -EINVAL; |
| 151 | } |
| 152 | |
| 153 | if (!prtd->substream || !prtd->substream->private_data) { |
| 154 | pr_err("%s: Invalid %s\n", __func__, |
| 155 | (!prtd->substream) ? "substream" : "private_data"); |
| 156 | return -EINVAL; |
| 157 | } |
| 158 | rtd = prtd->substream->private_data; |
| 159 | |
| 160 | if (!prtd->lsm_client->lab_enable || !prtd->lsm_client->lab_buffer) { |
| 161 | dev_err(rtd->dev, |
| 162 | "%s: Lab not enabled %d invalid lab buffer %pK\n", |
| 163 | __func__, prtd->lsm_client->lab_enable, |
| 164 | prtd->lsm_client->lab_buffer); |
| 165 | return -EINVAL; |
| 166 | } |
| 167 | for (i = 0; i < prtd->lsm_client->hw_params.period_count; i++) { |
| 168 | if ((lower_32_bits(prtd->lsm_client->lab_buffer[i].phys) == |
| 169 | read_done->buf_addr_lsw) && |
| 170 | (msm_audio_populate_upper_32_bits |
| 171 | (prtd->lsm_client->lab_buffer[i].phys) == |
| 172 | read_done->buf_addr_msw) && |
| 173 | (prtd->lsm_client->lab_buffer[i].mem_map_handle == |
| 174 | read_done->mem_map_handle)) { |
| 175 | dev_dbg(rtd->dev, |
| 176 | "%s: Buffer found %pK memmap handle %d\n", |
| 177 | __func__, &prtd->lsm_client->lab_buffer[i].phys, |
| 178 | prtd->lsm_client->lab_buffer[i].mem_map_handle); |
| 179 | if (read_done->total_size > |
| 180 | prtd->lsm_client->lab_buffer[i].size) { |
| 181 | dev_err(rtd->dev, |
| 182 | "%s: Size mismatch call back size %d actual size %zd\n", |
| 183 | __func__, read_done->total_size, |
| 184 | prtd->lsm_client->lab_buffer[i].size); |
| 185 | rc = -EINVAL; |
| 186 | break; |
| 187 | } else { |
| 188 | *index = i; |
| 189 | rc = 0; |
| 190 | break; |
| 191 | } |
| 192 | } |
| 193 | } |
| 194 | return rc; |
| 195 | } |
| 196 | |
| 197 | static void lsm_event_handler(uint32_t opcode, uint32_t token, |
| 198 | void *payload, void *priv) |
| 199 | { |
| 200 | unsigned long flags; |
| 201 | struct lsm_priv *prtd = priv; |
| 202 | struct snd_pcm_substream *substream = prtd->substream; |
| 203 | struct snd_soc_pcm_runtime *rtd; |
| 204 | struct snd_lsm_event_status_v3 *temp; |
| 205 | uint16_t status = 0; |
| 206 | uint16_t payload_size = 0; |
| 207 | uint16_t index = 0; |
| 208 | uint32_t event_ts_lsw = 0; |
| 209 | uint32_t event_ts_msw = 0; |
| 210 | |
| 211 | if (!substream || !substream->private_data) { |
| 212 | pr_err("%s: Invalid %s\n", __func__, |
| 213 | (!substream) ? "substream" : "private_data"); |
| 214 | return; |
| 215 | } |
| 216 | rtd = substream->private_data; |
| 217 | |
| 218 | switch (opcode) { |
| 219 | case LSM_DATA_EVENT_READ_DONE: { |
| 220 | int rc; |
| 221 | struct lsm_cmd_read_done *read_done = payload; |
| 222 | int buf_index = 0; |
| 223 | |
| 224 | if (prtd->lsm_client->session != token || |
| 225 | !read_done) { |
| 226 | dev_err(rtd->dev, |
| 227 | "%s: EVENT_READ_DONE invalid callback, session %d callback %d payload %pK", |
| 228 | __func__, prtd->lsm_client->session, |
| 229 | token, read_done); |
| 230 | return; |
| 231 | } |
| 232 | if (atomic_read(&prtd->read_abort)) { |
| 233 | dev_dbg(rtd->dev, |
| 234 | "%s: read abort set skip data\n", __func__); |
| 235 | return; |
| 236 | } |
| 237 | if (!lsm_lab_buffer_sanity(prtd, read_done, &buf_index)) { |
| 238 | dev_dbg(rtd->dev, |
| 239 | "%s: process read done index %d\n", |
| 240 | __func__, buf_index); |
| 241 | if (buf_index >= |
| 242 | prtd->lsm_client->hw_params.period_count) { |
| 243 | dev_err(rtd->dev, |
| 244 | "%s: Invalid index %d buf_index max cnt %d\n", |
| 245 | __func__, buf_index, |
| 246 | prtd->lsm_client->hw_params.period_count); |
| 247 | return; |
| 248 | } |
| 249 | prtd->dma_write += read_done->total_size; |
| 250 | atomic_inc(&prtd->buf_count); |
| 251 | snd_pcm_period_elapsed(substream); |
| 252 | wake_up(&prtd->period_wait); |
| 253 | /* queue the next period buffer */ |
| 254 | buf_index = (buf_index + 1) % |
| 255 | prtd->lsm_client->hw_params.period_count; |
| 256 | rc = msm_lsm_queue_lab_buffer(prtd, buf_index); |
| 257 | if (rc) |
| 258 | dev_err(rtd->dev, |
| 259 | "%s: error in queuing the lab buffer rc %d\n", |
| 260 | __func__, rc); |
| 261 | } else |
| 262 | dev_err(rtd->dev, "%s: Invalid lab buffer returned by dsp\n", |
| 263 | __func__); |
| 264 | break; |
| 265 | } |
| 266 | |
| 267 | case LSM_SESSION_EVENT_DETECTION_STATUS: |
| 268 | status = (uint16_t)((uint8_t *)payload)[0]; |
| 269 | payload_size = (uint16_t)((uint8_t *)payload)[2]; |
| 270 | index = 4; |
| 271 | dev_dbg(rtd->dev, |
| 272 | "%s: event detect status = %d payload size = %d\n", |
| 273 | __func__, status, payload_size); |
| 274 | break; |
| 275 | |
| 276 | case LSM_SESSION_EVENT_DETECTION_STATUS_V2: |
| 277 | status = (uint16_t)((uint8_t *)payload)[0]; |
| 278 | payload_size = (uint16_t)((uint8_t *)payload)[1]; |
| 279 | index = 2; |
| 280 | dev_dbg(rtd->dev, |
| 281 | "%s: event detect status = %d payload size = %d\n", |
| 282 | __func__, status, payload_size); |
| 283 | break; |
| 284 | |
| 285 | case LSM_SESSION_EVENT_DETECTION_STATUS_V3: |
| 286 | event_ts_lsw = ((uint32_t *)payload)[0]; |
| 287 | event_ts_msw = ((uint32_t *)payload)[1]; |
| 288 | status = (uint16_t)((uint8_t *)payload)[8]; |
| 289 | payload_size = (uint16_t)((uint8_t *)payload)[9]; |
| 290 | index = 10; |
| 291 | dev_dbg(rtd->dev, |
| 292 | "%s: ts_msw = %u, ts_lsw = %u, event detect status = %d payload size = %d\n", |
| 293 | __func__, event_ts_msw, event_ts_lsw, status, |
| 294 | payload_size); |
| 295 | break; |
| 296 | |
| 297 | default: |
| 298 | break; |
| 299 | } |
| 300 | |
| 301 | if (opcode == LSM_SESSION_EVENT_DETECTION_STATUS || |
| 302 | opcode == LSM_SESSION_EVENT_DETECTION_STATUS_V2 || |
| 303 | opcode == LSM_SESSION_EVENT_DETECTION_STATUS_V3) { |
| 304 | spin_lock_irqsave(&prtd->event_lock, flags); |
| 305 | temp = krealloc(prtd->event_status, |
| 306 | sizeof(struct snd_lsm_event_status_v3) + |
| 307 | payload_size, GFP_ATOMIC); |
| 308 | if (!temp) { |
| 309 | dev_err(rtd->dev, "%s: no memory for event status\n", |
| 310 | __func__); |
| 311 | return; |
| 312 | } |
| 313 | /* |
| 314 | * event status timestamp will be non-zero and valid if |
| 315 | * opcode is LSM_SESSION_EVENT_DETECTION_STATUS_V3 |
| 316 | */ |
| 317 | prtd->event_status = temp; |
| 318 | prtd->event_status->timestamp_lsw = event_ts_lsw; |
| 319 | prtd->event_status->timestamp_msw = event_ts_msw; |
| 320 | prtd->event_status->status = status; |
| 321 | prtd->event_status->payload_size = payload_size; |
| 322 | |
| 323 | if (likely(prtd->event_status)) { |
| 324 | memcpy(prtd->event_status->payload, |
| 325 | &((uint8_t *)payload)[index], |
| 326 | payload_size); |
| 327 | prtd->event_avail = 1; |
| 328 | spin_unlock_irqrestore(&prtd->event_lock, flags); |
| 329 | wake_up(&prtd->event_wait); |
| 330 | } else { |
| 331 | spin_unlock_irqrestore(&prtd->event_lock, flags); |
| 332 | dev_err(rtd->dev, |
| 333 | "%s: Couldn't allocate %d bytes of memory\n", |
| 334 | __func__, payload_size); |
| 335 | } |
| 336 | if (substream->timer_running) |
| 337 | snd_timer_interrupt(substream->timer, 1); |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | static int msm_lsm_lab_buffer_alloc(struct lsm_priv *lsm, int alloc) |
| 342 | { |
| 343 | int ret = 0; |
| 344 | struct snd_dma_buffer *dma_buf = NULL; |
| 345 | |
| 346 | if (!lsm) { |
| 347 | pr_err("%s: Invalid param lsm %pK\n", __func__, lsm); |
| 348 | return -EINVAL; |
| 349 | } |
| 350 | if (alloc) { |
| 351 | if (!lsm->substream) { |
| 352 | pr_err("%s: substream is NULL\n", __func__); |
| 353 | return -EINVAL; |
| 354 | } |
| 355 | ret = q6lsm_lab_buffer_alloc(lsm->lsm_client, alloc); |
| 356 | if (ret) { |
| 357 | pr_err("%s: alloc lab buffer failed ret %d\n", |
| 358 | __func__, ret); |
| 359 | goto exit; |
| 360 | } |
| 361 | dma_buf = &lsm->substream->dma_buffer; |
| 362 | dma_buf->dev.type = SNDRV_DMA_TYPE_DEV; |
| 363 | dma_buf->dev.dev = lsm->substream->pcm->card->dev; |
| 364 | dma_buf->private_data = NULL; |
| 365 | dma_buf->area = lsm->lsm_client->lab_buffer[0].data; |
| 366 | dma_buf->addr = lsm->lsm_client->lab_buffer[0].phys; |
| 367 | dma_buf->bytes = lsm->lsm_client->hw_params.buf_sz * |
| 368 | lsm->lsm_client->hw_params.period_count; |
| 369 | snd_pcm_set_runtime_buffer(lsm->substream, dma_buf); |
| 370 | } else { |
| 371 | ret = q6lsm_lab_buffer_alloc(lsm->lsm_client, alloc); |
| 372 | if (ret) |
| 373 | pr_err("%s: free lab buffer failed ret %d\n", |
| 374 | __func__, ret); |
| 375 | kfree(lsm->lsm_client->lab_buffer); |
| 376 | lsm->lsm_client->lab_buffer = NULL; |
| 377 | } |
| 378 | exit: |
| 379 | return ret; |
| 380 | } |
| 381 | |
| 382 | static int msm_lsm_get_conf_levels(struct lsm_client *client, |
| 383 | u8 *conf_levels_ptr) |
| 384 | { |
| 385 | int rc = 0; |
| 386 | |
| 387 | if (client->num_confidence_levels == 0) { |
| 388 | pr_debug("%s: no confidence levels provided\n", |
| 389 | __func__); |
| 390 | client->confidence_levels = NULL; |
| 391 | goto done; |
| 392 | } |
| 393 | |
| 394 | client->confidence_levels = |
| 395 | kzalloc((sizeof(uint8_t) * client->num_confidence_levels), |
| 396 | GFP_KERNEL); |
| 397 | if (!client->confidence_levels) { |
| 398 | pr_err("%s: No memory for confidence\n" |
| 399 | "levels num of level from user = %d\n", |
| 400 | __func__, client->num_confidence_levels); |
| 401 | rc = -ENOMEM; |
| 402 | goto done; |
| 403 | } |
| 404 | |
| 405 | if (copy_from_user(client->confidence_levels, |
| 406 | conf_levels_ptr, |
| 407 | client->num_confidence_levels)) { |
| 408 | pr_err("%s: copy from user failed, size = %d\n", |
| 409 | __func__, client->num_confidence_levels); |
| 410 | rc = -EFAULT; |
| 411 | goto copy_err; |
| 412 | } |
| 413 | |
| 414 | return rc; |
| 415 | |
| 416 | copy_err: |
| 417 | kfree(client->confidence_levels); |
| 418 | client->confidence_levels = NULL; |
| 419 | done: |
| 420 | return rc; |
| 421 | |
| 422 | } |
| 423 | |
| 424 | static int msm_lsm_set_epd(struct snd_pcm_substream *substream, |
| 425 | struct lsm_params_info *p_info) |
| 426 | { |
| 427 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 428 | struct lsm_priv *prtd = runtime->private_data; |
| 429 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 430 | int rc = 0; |
| 431 | struct snd_lsm_ep_det_thres epd_th; |
| 432 | |
| 433 | if (p_info->param_size != sizeof(epd_th)) { |
| 434 | dev_err(rtd->dev, |
| 435 | "%s: Invalid param_size %d\n", |
| 436 | __func__, p_info->param_size); |
| 437 | rc = -EINVAL; |
| 438 | goto done; |
| 439 | } |
| 440 | |
| 441 | if (copy_from_user(&epd_th, p_info->param_data, |
| 442 | p_info->param_size)) { |
| 443 | dev_err(rtd->dev, |
| 444 | "%s: copy_from_user failed, size = %d\n", |
| 445 | __func__, p_info->param_size); |
| 446 | rc = -EFAULT; |
| 447 | goto done; |
| 448 | } |
| 449 | |
| 450 | rc = q6lsm_set_one_param(prtd->lsm_client, p_info, |
| 451 | &epd_th, LSM_ENDPOINT_DETECT_THRESHOLD); |
| 452 | if (rc) |
| 453 | dev_err(rtd->dev, |
| 454 | "%s: Failed to set epd param, err = %d\n", |
| 455 | __func__, rc); |
| 456 | done: |
| 457 | return rc; |
| 458 | } |
| 459 | |
| 460 | static int msm_lsm_set_mode(struct snd_pcm_substream *substream, |
| 461 | struct lsm_params_info *p_info) |
| 462 | { |
| 463 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 464 | struct lsm_priv *prtd = runtime->private_data; |
| 465 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 466 | struct snd_lsm_detect_mode mode; |
| 467 | int rc = 0; |
| 468 | |
| 469 | if (p_info->param_size != sizeof(mode)) { |
| 470 | dev_err(rtd->dev, |
| 471 | "%s: Invalid param_size %d\n", |
| 472 | __func__, p_info->param_size); |
| 473 | rc = -EINVAL; |
| 474 | goto done; |
| 475 | } |
| 476 | |
| 477 | if (copy_from_user(&mode, p_info->param_data, |
| 478 | sizeof(mode))) { |
| 479 | dev_err(rtd->dev, |
| 480 | "%s: copy_from_user failed, size = %zd\n", |
| 481 | __func__, sizeof(mode)); |
| 482 | rc = -EFAULT; |
| 483 | goto done; |
| 484 | } |
| 485 | |
| 486 | rc = q6lsm_set_one_param(prtd->lsm_client, p_info, |
| 487 | &mode, LSM_OPERATION_MODE); |
| 488 | if (rc) |
| 489 | dev_err(rtd->dev, |
| 490 | "%s: Failed to set det_mode param, err = %d\n", |
| 491 | __func__, rc); |
| 492 | done: |
| 493 | return rc; |
| 494 | } |
| 495 | |
| 496 | static int msm_lsm_set_gain(struct snd_pcm_substream *substream, |
| 497 | struct lsm_params_info *p_info) |
| 498 | { |
| 499 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 500 | struct lsm_priv *prtd = runtime->private_data; |
| 501 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 502 | struct snd_lsm_gain gain; |
| 503 | int rc = 0; |
| 504 | |
| 505 | if (p_info->param_size != sizeof(gain)) { |
| 506 | dev_err(rtd->dev, |
| 507 | "%s: Invalid param_size %d\n", |
| 508 | __func__, p_info->param_size); |
| 509 | rc = -EINVAL; |
| 510 | goto done; |
| 511 | } |
| 512 | |
| 513 | if (copy_from_user(&gain, p_info->param_data, |
| 514 | sizeof(gain))) { |
| 515 | dev_err(rtd->dev, |
| 516 | "%s: copy_from_user failed, size = %zd\n", |
| 517 | __func__, sizeof(gain)); |
| 518 | rc = -EFAULT; |
| 519 | goto done; |
| 520 | } |
| 521 | |
| 522 | rc = q6lsm_set_one_param(prtd->lsm_client, p_info, |
| 523 | &gain, LSM_GAIN); |
| 524 | if (rc) |
| 525 | dev_err(rtd->dev, |
| 526 | "%s: Failed to set det_mode param, err = %d\n", |
| 527 | __func__, rc); |
| 528 | done: |
| 529 | return rc; |
| 530 | } |
| 531 | |
| 532 | static int msm_lsm_set_conf(struct snd_pcm_substream *substream, |
| 533 | struct lsm_params_info *p_info) |
| 534 | { |
| 535 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 536 | struct lsm_priv *prtd = runtime->private_data; |
| 537 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 538 | int rc = 0; |
| 539 | |
| 540 | if (p_info->param_size > MAX_NUM_CONFIDENCE) { |
| 541 | dev_err(rtd->dev, |
| 542 | "%s: invalid confidence levels %d\n", |
| 543 | __func__, p_info->param_size); |
| 544 | return -EINVAL; |
| 545 | } |
| 546 | |
| 547 | prtd->lsm_client->num_confidence_levels = |
| 548 | p_info->param_size; |
| 549 | rc = msm_lsm_get_conf_levels(prtd->lsm_client, |
| 550 | p_info->param_data); |
| 551 | if (rc) { |
| 552 | dev_err(rtd->dev, |
| 553 | "%s: get_conf_levels failed, err = %d\n", |
| 554 | __func__, rc); |
| 555 | return rc; |
| 556 | } |
| 557 | |
| 558 | rc = q6lsm_set_one_param(prtd->lsm_client, p_info, |
| 559 | prtd->lsm_client->confidence_levels, |
| 560 | LSM_MIN_CONFIDENCE_LEVELS); |
| 561 | if (rc) |
| 562 | dev_err(rtd->dev, |
| 563 | "%s: Failed to set min_conf_levels, err = %d\n", |
| 564 | __func__, rc); |
| 565 | |
| 566 | return rc; |
| 567 | } |
| 568 | |
| 569 | static int msm_lsm_reg_model(struct snd_pcm_substream *substream, |
| 570 | struct lsm_params_info *p_info) |
| 571 | { |
| 572 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 573 | struct lsm_priv *prtd = runtime->private_data; |
| 574 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 575 | int rc = 0; |
| 576 | u8 *snd_model_ptr; |
| 577 | size_t offset; |
| 578 | |
| 579 | rc = q6lsm_snd_model_buf_alloc(prtd->lsm_client, |
| 580 | p_info->param_size, |
| 581 | true); |
| 582 | if (rc) { |
| 583 | dev_err(rtd->dev, |
| 584 | "%s: snd_model buf alloc failed, size = %d\n", |
| 585 | __func__, p_info->param_size); |
| 586 | return rc; |
| 587 | } |
| 588 | |
| 589 | q6lsm_sm_set_param_data(prtd->lsm_client, p_info, &offset); |
| 590 | |
| 591 | /* |
| 592 | * For set_param, advance the sound model data with the |
| 593 | * number of bytes required by param_data. |
| 594 | */ |
| 595 | snd_model_ptr = ((u8 *) prtd->lsm_client->sound_model.data) + offset; |
| 596 | |
| 597 | if (copy_from_user(snd_model_ptr, |
| 598 | p_info->param_data, p_info->param_size)) { |
| 599 | dev_err(rtd->dev, |
| 600 | "%s: copy_from_user for snd_model failed, size = %d\n", |
| 601 | __func__, p_info->param_size); |
| 602 | rc = -EFAULT; |
| 603 | goto err_copy; |
| 604 | } |
| 605 | rc = q6lsm_set_one_param(prtd->lsm_client, p_info, NULL, |
| 606 | LSM_REG_SND_MODEL); |
| 607 | if (rc) { |
| 608 | dev_err(rtd->dev, |
| 609 | "%s: Failed to set sound_model, err = %d\n", |
| 610 | __func__, rc); |
| 611 | goto err_copy; |
| 612 | } |
| 613 | return rc; |
| 614 | |
| 615 | err_copy: |
| 616 | q6lsm_snd_model_buf_free(prtd->lsm_client); |
| 617 | return rc; |
| 618 | } |
| 619 | |
| 620 | static int msm_lsm_dereg_model(struct snd_pcm_substream *substream, |
| 621 | struct lsm_params_info *p_info) |
| 622 | { |
| 623 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 624 | struct lsm_priv *prtd = runtime->private_data; |
| 625 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 626 | int rc = 0; |
| 627 | |
| 628 | rc = q6lsm_set_one_param(prtd->lsm_client, p_info, |
| 629 | NULL, LSM_DEREG_SND_MODEL); |
| 630 | if (rc) |
| 631 | dev_err(rtd->dev, |
| 632 | "%s: Failed to set det_mode param, err = %d\n", |
| 633 | __func__, rc); |
| 634 | |
| 635 | q6lsm_snd_model_buf_free(prtd->lsm_client); |
| 636 | |
| 637 | return rc; |
| 638 | } |
| 639 | |
| 640 | static int msm_lsm_set_custom(struct snd_pcm_substream *substream, |
| 641 | struct lsm_params_info *p_info) |
| 642 | { |
| 643 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 644 | struct lsm_priv *prtd = runtime->private_data; |
| 645 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 646 | u8 *data; |
| 647 | int rc = 0; |
| 648 | |
| 649 | data = kzalloc(p_info->param_size, GFP_KERNEL); |
| 650 | if (!data) |
| 651 | return -ENOMEM; |
| 652 | |
| 653 | if (copy_from_user(data, p_info->param_data, |
| 654 | p_info->param_size)) { |
| 655 | dev_err(rtd->dev, |
| 656 | "%s: copy_from_user failed for custom params, size = %d\n", |
| 657 | __func__, p_info->param_size); |
| 658 | rc = -EFAULT; |
| 659 | goto err_ret; |
| 660 | } |
| 661 | |
| 662 | rc = q6lsm_set_one_param(prtd->lsm_client, p_info, |
| 663 | data, LSM_CUSTOM_PARAMS); |
| 664 | if (rc) |
| 665 | dev_err(rtd->dev, |
| 666 | "%s: Failed to set custom param, err = %d\n", |
| 667 | __func__, rc); |
| 668 | |
| 669 | err_ret: |
| 670 | kfree(data); |
| 671 | return rc; |
| 672 | } |
| 673 | |
| 674 | static int msm_lsm_set_poll_enable(struct snd_pcm_substream *substream, |
| 675 | struct lsm_params_info *p_info) |
| 676 | { |
| 677 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 678 | struct lsm_priv *prtd = runtime->private_data; |
| 679 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 680 | struct snd_lsm_poll_enable poll_enable; |
| 681 | int rc = 0; |
| 682 | |
| 683 | if (p_info->param_size != sizeof(poll_enable)) { |
| 684 | dev_err(rtd->dev, |
| 685 | "%s: Invalid param_size %d\n", |
| 686 | __func__, p_info->param_size); |
| 687 | rc = -EINVAL; |
| 688 | goto done; |
| 689 | } |
| 690 | |
| 691 | if (copy_from_user(&poll_enable, p_info->param_data, |
| 692 | sizeof(poll_enable))) { |
| 693 | dev_err(rtd->dev, |
| 694 | "%s: copy_from_user failed, size = %zd\n", |
| 695 | __func__, sizeof(poll_enable)); |
| 696 | rc = -EFAULT; |
| 697 | goto done; |
| 698 | } |
| 699 | |
| 700 | if (prtd->lsm_client->poll_enable == poll_enable.poll_en) { |
| 701 | dev_dbg(rtd->dev, |
| 702 | "%s: Polling for session %d already %s\n", |
| 703 | __func__, prtd->lsm_client->session, |
| 704 | (poll_enable.poll_en ? "enabled" : "disabled")); |
| 705 | rc = 0; |
| 706 | goto done; |
| 707 | } |
| 708 | |
| 709 | rc = q6lsm_set_one_param(prtd->lsm_client, p_info, |
| 710 | &poll_enable, LSM_POLLING_ENABLE); |
| 711 | if (!rc) { |
| 712 | prtd->lsm_client->poll_enable = poll_enable.poll_en; |
| 713 | } else { |
| 714 | dev_err(rtd->dev, |
| 715 | "%s: Failed to set poll enable, err = %d\n", |
| 716 | __func__, rc); |
| 717 | } |
| 718 | done: |
| 719 | return rc; |
| 720 | } |
| 721 | |
| 722 | static int msm_lsm_process_params(struct snd_pcm_substream *substream, |
| 723 | struct snd_lsm_module_params *p_data, |
| 724 | void *params) |
| 725 | { |
| 726 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 727 | struct lsm_params_info *p_info; |
| 728 | int i; |
| 729 | int rc = 0; |
| 730 | |
| 731 | p_info = (struct lsm_params_info *) params; |
| 732 | |
| 733 | for (i = 0; i < p_data->num_params; i++) { |
| 734 | dev_dbg(rtd->dev, |
| 735 | "%s: param (%d), module_id = 0x%x, param_id = 0x%x, param_size = 0x%x, param_type = 0x%x\n", |
| 736 | __func__, i, p_info->module_id, |
| 737 | p_info->param_id, p_info->param_size, |
| 738 | p_info->param_type); |
| 739 | |
| 740 | switch (p_info->param_type) { |
| 741 | case LSM_ENDPOINT_DETECT_THRESHOLD: |
| 742 | rc = msm_lsm_set_epd(substream, p_info); |
| 743 | break; |
| 744 | case LSM_OPERATION_MODE: |
| 745 | rc = msm_lsm_set_mode(substream, p_info); |
| 746 | break; |
| 747 | case LSM_GAIN: |
| 748 | rc = msm_lsm_set_gain(substream, p_info); |
| 749 | break; |
| 750 | case LSM_MIN_CONFIDENCE_LEVELS: |
| 751 | rc = msm_lsm_set_conf(substream, p_info); |
| 752 | break; |
| 753 | case LSM_REG_SND_MODEL: |
| 754 | rc = msm_lsm_reg_model(substream, p_info); |
| 755 | break; |
| 756 | case LSM_DEREG_SND_MODEL: |
| 757 | rc = msm_lsm_dereg_model(substream, p_info); |
| 758 | break; |
| 759 | case LSM_CUSTOM_PARAMS: |
| 760 | rc = msm_lsm_set_custom(substream, p_info); |
| 761 | break; |
| 762 | case LSM_POLLING_ENABLE: |
| 763 | rc = msm_lsm_set_poll_enable(substream, p_info); |
| 764 | break; |
| 765 | default: |
| 766 | dev_err(rtd->dev, |
| 767 | "%s: Invalid param_type %d\n", |
| 768 | __func__, p_info->param_type); |
| 769 | rc = -EINVAL; |
| 770 | break; |
| 771 | } |
| 772 | if (rc) { |
| 773 | pr_err("%s: set_param fail for param_type %d\n", |
| 774 | __func__, p_info->param_type); |
| 775 | return rc; |
| 776 | } |
| 777 | |
| 778 | p_info++; |
| 779 | } |
| 780 | |
| 781 | return rc; |
| 782 | } |
| 783 | |
| 784 | static int msm_lsm_ioctl_shared(struct snd_pcm_substream *substream, |
| 785 | unsigned int cmd, void *arg) |
| 786 | { |
| 787 | struct snd_soc_pcm_runtime *rtd; |
| 788 | unsigned long flags; |
| 789 | int ret; |
| 790 | struct snd_lsm_sound_model_v2 snd_model_v2; |
| 791 | struct snd_lsm_session_data session_data; |
| 792 | int rc = 0; |
| 793 | int xchg = 0; |
| 794 | struct snd_pcm_runtime *runtime; |
| 795 | struct lsm_priv *prtd; |
| 796 | struct snd_lsm_detection_params det_params; |
| 797 | uint8_t *confidence_level = NULL; |
| 798 | |
| 799 | if (!substream || !substream->private_data) { |
| 800 | pr_err("%s: Invalid %s\n", __func__, |
| 801 | (!substream) ? "substream" : "private_data"); |
| 802 | return -EINVAL; |
| 803 | } |
| 804 | |
| 805 | runtime = substream->runtime; |
| 806 | prtd = runtime->private_data; |
| 807 | rtd = substream->private_data; |
| 808 | |
| 809 | switch (cmd) { |
| 810 | case SNDRV_LSM_SET_SESSION_DATA: |
| 811 | dev_dbg(rtd->dev, "%s: set session data\n", __func__); |
| 812 | if (copy_from_user(&session_data, arg, |
| 813 | sizeof(session_data))) { |
| 814 | dev_err(rtd->dev, "%s: %s: copy_from_user failed\n", |
| 815 | __func__, "LSM_SET_SESSION_DATA"); |
| 816 | return -EFAULT; |
| 817 | } |
| 818 | |
| 819 | if (session_data.app_id != LSM_VOICE_WAKEUP_APP_ID_V2) { |
| 820 | dev_err(rtd->dev, |
| 821 | "%s:Invalid App id %d for Listen client\n", |
| 822 | __func__, session_data.app_id); |
| 823 | rc = -EINVAL; |
| 824 | break; |
| 825 | } |
| 826 | |
| 827 | prtd->lsm_client->app_id = session_data.app_id; |
| 828 | ret = q6lsm_open(prtd->lsm_client, |
| 829 | prtd->lsm_client->app_id); |
| 830 | if (ret < 0) { |
| 831 | dev_err(rtd->dev, |
| 832 | "%s: lsm open failed, %d\n", |
| 833 | __func__, ret); |
| 834 | return ret; |
| 835 | } |
| 836 | prtd->lsm_client->opened = true; |
| 837 | dev_dbg(rtd->dev, "%s: Session_ID = %d, APP ID = %d\n", |
| 838 | __func__, |
| 839 | prtd->lsm_client->session, |
| 840 | prtd->lsm_client->app_id); |
| 841 | break; |
| 842 | case SNDRV_LSM_REG_SND_MODEL_V2: |
| 843 | dev_dbg(rtd->dev, "%s: Registering sound model V2\n", |
| 844 | __func__); |
| 845 | memcpy(&snd_model_v2, arg, |
| 846 | sizeof(struct snd_lsm_sound_model_v2)); |
| 847 | if (snd_model_v2.num_confidence_levels > |
| 848 | MAX_NUM_CONFIDENCE) { |
| 849 | dev_err(rtd->dev, |
| 850 | "%s: Invalid conf_levels = %d, maximum allowed = %d\n", |
| 851 | __func__, snd_model_v2.num_confidence_levels, |
| 852 | MAX_NUM_CONFIDENCE); |
| 853 | rc = -EINVAL; |
| 854 | break; |
| 855 | } |
| 856 | rc = q6lsm_snd_model_buf_alloc(prtd->lsm_client, |
| 857 | snd_model_v2.data_size, false); |
| 858 | if (rc) { |
| 859 | dev_err(rtd->dev, |
| 860 | "%s: q6lsm buffer alloc failed V2, size %d\n", |
| 861 | __func__, snd_model_v2.data_size); |
| 862 | break; |
| 863 | } |
| 864 | if (copy_from_user(prtd->lsm_client->sound_model.data, |
| 865 | snd_model_v2.data, snd_model_v2.data_size)) { |
| 866 | dev_err(rtd->dev, |
| 867 | "%s: copy from user data failed\n" |
| 868 | "data %pK size %d\n", __func__, |
| 869 | snd_model_v2.data, snd_model_v2.data_size); |
| 870 | q6lsm_snd_model_buf_free(prtd->lsm_client); |
| 871 | rc = -EFAULT; |
| 872 | break; |
| 873 | } |
| 874 | |
| 875 | dev_dbg(rtd->dev, "SND Model Magic no byte[0] %x,\n" |
| 876 | "byte[1] %x, byte[2] %x byte[3] %x\n", |
| 877 | snd_model_v2.data[0], snd_model_v2.data[1], |
| 878 | snd_model_v2.data[2], snd_model_v2.data[3]); |
| 879 | prtd->lsm_client->num_confidence_levels = |
| 880 | snd_model_v2.num_confidence_levels; |
| 881 | |
| 882 | rc = msm_lsm_get_conf_levels(prtd->lsm_client, |
| 883 | snd_model_v2.confidence_level); |
| 884 | if (rc) { |
| 885 | dev_err(rtd->dev, |
| 886 | "%s: get_conf_levels failed, err = %d\n", |
| 887 | __func__, rc); |
| 888 | break; |
| 889 | } |
| 890 | |
| 891 | rc = q6lsm_register_sound_model(prtd->lsm_client, |
| 892 | snd_model_v2.detection_mode, |
| 893 | snd_model_v2.detect_failure); |
| 894 | if (rc < 0) { |
| 895 | dev_err(rtd->dev, |
| 896 | "%s: Register snd Model v2 failed =%d\n", |
| 897 | __func__, rc); |
| 898 | kfree(confidence_level); |
| 899 | q6lsm_snd_model_buf_free(prtd->lsm_client); |
| 900 | } |
| 901 | |
| 902 | kfree(prtd->lsm_client->confidence_levels); |
| 903 | prtd->lsm_client->confidence_levels = NULL; |
| 904 | break; |
| 905 | |
| 906 | case SNDRV_LSM_SET_PARAMS: |
| 907 | dev_dbg(rtd->dev, "%s: set_params\n", __func__); |
| 908 | memcpy(&det_params, arg, |
| 909 | sizeof(det_params)); |
| 910 | if (det_params.num_confidence_levels > |
| 911 | MAX_NUM_CONFIDENCE) { |
| 912 | rc = -EINVAL; |
| 913 | break; |
| 914 | } |
| 915 | |
| 916 | prtd->lsm_client->num_confidence_levels = |
| 917 | det_params.num_confidence_levels; |
| 918 | |
| 919 | rc = msm_lsm_get_conf_levels(prtd->lsm_client, |
| 920 | det_params.conf_level); |
| 921 | if (rc) { |
| 922 | dev_err(rtd->dev, |
| 923 | "%s: Failed to get conf_levels, err = %d\n", |
| 924 | __func__, rc); |
| 925 | break; |
| 926 | } |
| 927 | |
| 928 | rc = q6lsm_set_data(prtd->lsm_client, |
| 929 | det_params.detect_mode, |
| 930 | det_params.detect_failure); |
| 931 | if (rc) |
| 932 | dev_err(rtd->dev, |
| 933 | "%s: Failed to set params, err = %d\n", |
| 934 | __func__, rc); |
| 935 | |
| 936 | kfree(prtd->lsm_client->confidence_levels); |
| 937 | prtd->lsm_client->confidence_levels = NULL; |
| 938 | |
| 939 | break; |
| 940 | |
| 941 | case SNDRV_LSM_DEREG_SND_MODEL: |
| 942 | dev_dbg(rtd->dev, "%s: Deregistering sound model\n", |
| 943 | __func__); |
| 944 | rc = q6lsm_deregister_sound_model(prtd->lsm_client); |
| 945 | if (rc) |
| 946 | dev_err(rtd->dev, |
| 947 | "%s: Sound model de-register failed, err = %d\n", |
| 948 | __func__, rc); |
| 949 | break; |
| 950 | |
| 951 | case SNDRV_LSM_EVENT_STATUS: |
| 952 | case SNDRV_LSM_EVENT_STATUS_V3: { |
| 953 | uint32_t ts_lsw, ts_msw; |
| 954 | uint16_t status = 0, payload_size = 0; |
| 955 | |
| 956 | dev_dbg(rtd->dev, "%s: Get event status\n", __func__); |
| 957 | atomic_set(&prtd->event_wait_stop, 0); |
| 958 | |
| 959 | /* |
| 960 | * Release the api lock before wait to allow |
| 961 | * other IOCTLs to be invoked while waiting |
| 962 | * for event |
| 963 | */ |
| 964 | mutex_unlock(&prtd->lsm_api_lock); |
| 965 | rc = wait_event_freezable(prtd->event_wait, |
| 966 | (cmpxchg(&prtd->event_avail, 1, 0) || |
| 967 | (xchg = atomic_cmpxchg(&prtd->event_wait_stop, |
| 968 | 1, 0)))); |
| 969 | mutex_lock(&prtd->lsm_api_lock); |
| 970 | dev_dbg(rtd->dev, "%s: wait_event_freezable %d event_wait_stop %d\n", |
| 971 | __func__, rc, xchg); |
| 972 | if (!rc && !xchg) { |
| 973 | dev_dbg(rtd->dev, "%s: New event available %ld\n", |
| 974 | __func__, prtd->event_avail); |
| 975 | spin_lock_irqsave(&prtd->event_lock, flags); |
| 976 | |
| 977 | if (prtd->event_status) { |
| 978 | payload_size = prtd->event_status->payload_size; |
| 979 | ts_lsw = prtd->event_status->timestamp_lsw; |
| 980 | ts_msw = prtd->event_status->timestamp_msw; |
| 981 | status = prtd->event_status->status; |
| 982 | spin_unlock_irqrestore(&prtd->event_lock, |
| 983 | flags); |
| 984 | } else { |
| 985 | spin_unlock_irqrestore(&prtd->event_lock, |
| 986 | flags); |
| 987 | rc = -EINVAL; |
| 988 | dev_err(rtd->dev, |
| 989 | "%s: prtd->event_status is NULL\n", |
| 990 | __func__); |
| 991 | break; |
| 992 | } |
| 993 | |
| 994 | if (cmd == SNDRV_LSM_EVENT_STATUS) { |
| 995 | struct snd_lsm_event_status *user = arg; |
| 996 | |
| 997 | if (user->payload_size < payload_size) { |
| 998 | dev_dbg(rtd->dev, |
| 999 | "%s: provided %d bytes isn't enough, needs %d bytes\n", |
| 1000 | __func__, user->payload_size, |
| 1001 | payload_size); |
| 1002 | rc = -ENOMEM; |
| 1003 | } else { |
| 1004 | user->status = status; |
| 1005 | user->payload_size = payload_size; |
| 1006 | memcpy(user->payload, |
| 1007 | prtd->event_status->payload, |
| 1008 | payload_size); |
| 1009 | } |
| 1010 | } else { |
| 1011 | struct snd_lsm_event_status_v3 *user_v3 = arg; |
| 1012 | |
| 1013 | if (user_v3->payload_size < payload_size) { |
| 1014 | dev_dbg(rtd->dev, |
| 1015 | "%s: provided %d bytes isn't enough, needs %d bytes\n", |
| 1016 | __func__, user_v3->payload_size, |
| 1017 | payload_size); |
| 1018 | rc = -ENOMEM; |
| 1019 | } else { |
| 1020 | user_v3->timestamp_lsw = ts_lsw; |
| 1021 | user_v3->timestamp_msw = ts_msw; |
| 1022 | user_v3->status = status; |
| 1023 | user_v3->payload_size = payload_size; |
| 1024 | memcpy(user_v3->payload, |
| 1025 | prtd->event_status->payload, |
| 1026 | payload_size); |
| 1027 | } |
| 1028 | } |
| 1029 | if (!rc) { |
| 1030 | if (prtd->lsm_client->lab_enable |
| 1031 | && !prtd->lsm_client->lab_started |
| 1032 | && prtd->event_status->status == |
| 1033 | LSM_VOICE_WAKEUP_STATUS_DETECTED) { |
| 1034 | atomic_set(&prtd->read_abort, 0); |
| 1035 | atomic_set(&prtd->buf_count, 0); |
| 1036 | prtd->appl_cnt = 0; |
| 1037 | prtd->dma_write = 0; |
| 1038 | rc = msm_lsm_queue_lab_buffer(prtd, |
| 1039 | 0); |
| 1040 | if (rc) |
| 1041 | dev_err(rtd->dev, |
| 1042 | "%s: Queue buffer failed for lab rc = %d\n", |
| 1043 | __func__, rc); |
| 1044 | else |
| 1045 | prtd->lsm_client->lab_started |
| 1046 | = true; |
| 1047 | } |
| 1048 | } |
| 1049 | } else if (xchg) { |
| 1050 | dev_dbg(rtd->dev, "%s: Wait aborted\n", __func__); |
| 1051 | rc = 0; |
| 1052 | } |
| 1053 | break; |
| 1054 | } |
| 1055 | |
| 1056 | case SNDRV_LSM_ABORT_EVENT: |
| 1057 | dev_dbg(rtd->dev, "%s: Aborting event status wait\n", |
| 1058 | __func__); |
| 1059 | atomic_set(&prtd->event_wait_stop, 1); |
| 1060 | wake_up(&prtd->event_wait); |
| 1061 | break; |
| 1062 | |
| 1063 | case SNDRV_LSM_START: |
| 1064 | dev_dbg(rtd->dev, "%s: Starting LSM client session\n", |
| 1065 | __func__); |
| 1066 | if (!prtd->lsm_client->started) { |
| 1067 | ret = q6lsm_start(prtd->lsm_client, true); |
| 1068 | if (!ret) { |
| 1069 | prtd->lsm_client->started = true; |
| 1070 | dev_dbg(rtd->dev, "%s: LSM client session started\n", |
| 1071 | __func__); |
| 1072 | } |
| 1073 | } |
| 1074 | break; |
| 1075 | |
| 1076 | case SNDRV_LSM_STOP: { |
| 1077 | dev_dbg(rtd->dev, |
| 1078 | "%s: Stopping LSM client session\n", |
| 1079 | __func__); |
| 1080 | if (prtd->lsm_client->started) { |
| 1081 | if (prtd->lsm_client->lab_enable) { |
| 1082 | atomic_set(&prtd->read_abort, 1); |
| 1083 | if (prtd->lsm_client->lab_started) { |
| 1084 | ret = q6lsm_stop_lab(prtd->lsm_client); |
| 1085 | if (ret) |
| 1086 | dev_err(rtd->dev, |
| 1087 | "%s: stop lab failed ret %d\n", |
| 1088 | __func__, ret); |
| 1089 | prtd->lsm_client->lab_started = false; |
| 1090 | } |
| 1091 | } |
| 1092 | ret = q6lsm_stop(prtd->lsm_client, true); |
| 1093 | if (!ret) |
| 1094 | dev_dbg(rtd->dev, |
| 1095 | "%s: LSM client session stopped %d\n", |
| 1096 | __func__, ret); |
| 1097 | prtd->lsm_client->started = false; |
| 1098 | } |
| 1099 | break; |
| 1100 | } |
| 1101 | case SNDRV_LSM_LAB_CONTROL: { |
| 1102 | u32 enable; |
| 1103 | |
| 1104 | if (copy_from_user(&enable, arg, sizeof(enable))) { |
| 1105 | dev_err(rtd->dev, "%s: %s: copy_frm_user failed\n", |
| 1106 | __func__, "LSM_LAB_CONTROL"); |
| 1107 | return -EFAULT; |
| 1108 | } |
| 1109 | |
| 1110 | dev_dbg(rtd->dev, "%s: ioctl %s, enable = %d\n", |
| 1111 | __func__, "SNDRV_LSM_LAB_CONTROL", enable); |
| 1112 | if (!prtd->lsm_client->started) { |
| 1113 | if (prtd->lsm_client->lab_enable == enable) { |
| 1114 | dev_dbg(rtd->dev, |
| 1115 | "%s: Lab for session %d already %s\n", |
| 1116 | __func__, prtd->lsm_client->session, |
| 1117 | enable ? "enabled" : "disabled"); |
| 1118 | rc = 0; |
| 1119 | break; |
| 1120 | } |
| 1121 | rc = q6lsm_lab_control(prtd->lsm_client, enable); |
| 1122 | if (rc) { |
| 1123 | dev_err(rtd->dev, |
| 1124 | "%s: ioctl %s failed rc %d to %s lab for session %d\n", |
| 1125 | __func__, "SNDRV_LAB_CONTROL", rc, |
| 1126 | enable ? "enable" : "disable", |
| 1127 | prtd->lsm_client->session); |
| 1128 | } else { |
| 1129 | rc = msm_lsm_lab_buffer_alloc(prtd, |
| 1130 | enable ? LAB_BUFFER_ALLOC |
| 1131 | : LAB_BUFFER_DEALLOC); |
| 1132 | if (rc) |
| 1133 | dev_err(rtd->dev, |
| 1134 | "%s: msm_lsm_lab_buffer_alloc failed rc %d for %s", |
| 1135 | __func__, rc, |
| 1136 | enable ? "ALLOC" : "DEALLOC"); |
| 1137 | if (!rc) |
| 1138 | prtd->lsm_client->lab_enable = enable; |
| 1139 | } |
| 1140 | } else { |
| 1141 | dev_err(rtd->dev, "%s: ioctl %s issued after start", |
| 1142 | __func__, "SNDRV_LSM_LAB_CONTROL"); |
| 1143 | rc = -EINVAL; |
| 1144 | } |
| 1145 | break; |
| 1146 | } |
| 1147 | case SNDRV_LSM_STOP_LAB: |
| 1148 | dev_dbg(rtd->dev, "%s: stopping LAB\n", __func__); |
| 1149 | if (prtd->lsm_client->lab_enable && |
| 1150 | prtd->lsm_client->lab_started) { |
| 1151 | atomic_set(&prtd->read_abort, 1); |
| 1152 | rc = q6lsm_stop_lab(prtd->lsm_client); |
| 1153 | if (rc) |
| 1154 | dev_err(rtd->dev, |
| 1155 | "%s: Lab stop failed for session %d rc %d\n", |
| 1156 | __func__, |
| 1157 | prtd->lsm_client->session, rc); |
| 1158 | prtd->lsm_client->lab_started = false; |
| 1159 | } |
| 1160 | break; |
| 1161 | |
| 1162 | case SNDRV_LSM_SET_PORT: |
| 1163 | dev_dbg(rtd->dev, "%s: set LSM port\n", __func__); |
| 1164 | rc = q6lsm_set_port_connected(prtd->lsm_client); |
| 1165 | break; |
| 1166 | |
| 1167 | case SNDRV_LSM_SET_FWK_MODE_CONFIG: { |
| 1168 | u32 mode; |
| 1169 | |
| 1170 | if (copy_from_user(&mode, arg, sizeof(mode))) { |
| 1171 | dev_err(rtd->dev, "%s: %s: copy_frm_user failed\n", |
| 1172 | __func__, "LSM_SET_FWK_MODE_CONFIG"); |
| 1173 | return -EFAULT; |
| 1174 | } |
| 1175 | |
| 1176 | dev_dbg(rtd->dev, "%s: ioctl %s, enable = %d\n", |
| 1177 | __func__, "SNDRV_LSM_SET_FWK_MODE_CONFIG", mode); |
| 1178 | if (prtd->lsm_client->event_mode == mode) { |
| 1179 | dev_dbg(rtd->dev, |
| 1180 | "%s: mode for %d already set to %d\n", |
| 1181 | __func__, prtd->lsm_client->session, mode); |
| 1182 | rc = 0; |
| 1183 | } else { |
| 1184 | dev_dbg(rtd->dev, "%s: Event mode = %d\n", |
| 1185 | __func__, mode); |
| 1186 | rc = q6lsm_set_fwk_mode_cfg(prtd->lsm_client, mode); |
| 1187 | if (!rc) |
| 1188 | prtd->lsm_client->event_mode = mode; |
| 1189 | else |
| 1190 | dev_err(rtd->dev, |
| 1191 | "%s: set event mode failed %d\n", |
| 1192 | __func__, rc); |
| 1193 | } |
| 1194 | break; |
| 1195 | } |
| 1196 | |
| 1197 | default: |
| 1198 | dev_dbg(rtd->dev, |
| 1199 | "%s: Falling into default snd_lib_ioctl cmd 0x%x\n", |
| 1200 | __func__, cmd); |
| 1201 | rc = snd_pcm_lib_ioctl(substream, cmd, arg); |
| 1202 | break; |
| 1203 | } |
| 1204 | |
| 1205 | if (!rc) |
| 1206 | dev_dbg(rtd->dev, "%s: leave (%d)\n", |
| 1207 | __func__, rc); |
| 1208 | else |
| 1209 | dev_err(rtd->dev, "%s: cmd 0x%x failed %d\n", |
| 1210 | __func__, cmd, rc); |
| 1211 | |
| 1212 | return rc; |
| 1213 | } |
| 1214 | #ifdef CONFIG_COMPAT |
| 1215 | |
| 1216 | struct snd_lsm_event_status32 { |
| 1217 | u16 status; |
| 1218 | u16 payload_size; |
| 1219 | u8 payload[0]; |
| 1220 | }; |
| 1221 | |
| 1222 | struct snd_lsm_event_status_v3_32 { |
| 1223 | u32 timestamp_lsw; |
| 1224 | u32 timestamp_msw; |
| 1225 | u16 status; |
| 1226 | u16 payload_size; |
| 1227 | u8 payload[0]; |
| 1228 | }; |
| 1229 | |
| 1230 | struct snd_lsm_sound_model_v2_32 { |
| 1231 | compat_uptr_t data; |
| 1232 | compat_uptr_t confidence_level; |
| 1233 | u32 data_size; |
| 1234 | enum lsm_detection_mode detection_mode; |
| 1235 | u8 num_confidence_levels; |
| 1236 | bool detect_failure; |
| 1237 | }; |
| 1238 | |
| 1239 | struct snd_lsm_detection_params_32 { |
| 1240 | compat_uptr_t conf_level; |
| 1241 | enum lsm_detection_mode detect_mode; |
| 1242 | u8 num_confidence_levels; |
| 1243 | bool detect_failure; |
| 1244 | }; |
| 1245 | |
| 1246 | struct lsm_params_info_32 { |
| 1247 | u32 module_id; |
| 1248 | u32 param_id; |
| 1249 | u32 param_size; |
| 1250 | compat_uptr_t param_data; |
| 1251 | uint32_t param_type; |
| 1252 | }; |
| 1253 | |
| 1254 | struct snd_lsm_module_params_32 { |
| 1255 | compat_uptr_t params; |
| 1256 | u32 num_params; |
| 1257 | u32 data_size; |
| 1258 | }; |
| 1259 | |
| 1260 | enum { |
| 1261 | SNDRV_LSM_REG_SND_MODEL_V2_32 = |
| 1262 | _IOW('U', 0x07, struct snd_lsm_sound_model_v2_32), |
| 1263 | SNDRV_LSM_SET_PARAMS_32 = |
| 1264 | _IOW('U', 0x0A, struct snd_lsm_detection_params_32), |
| 1265 | SNDRV_LSM_SET_MODULE_PARAMS_32 = |
| 1266 | _IOW('U', 0x0B, struct snd_lsm_module_params_32), |
| 1267 | SNDRV_LSM_EVENT_STATUS_V3_32 = |
| 1268 | _IOW('U', 0x0F, struct snd_lsm_event_status_v3_32), |
| 1269 | }; |
| 1270 | |
| 1271 | static int msm_lsm_ioctl_compat(struct snd_pcm_substream *substream, |
| 1272 | unsigned int cmd, void __user *arg) |
| 1273 | { |
| 1274 | struct snd_pcm_runtime *runtime; |
| 1275 | struct lsm_priv *prtd; |
| 1276 | struct snd_soc_pcm_runtime *rtd; |
| 1277 | int err = 0; |
| 1278 | u32 size = 0; |
| 1279 | |
| 1280 | if (PCM_RUNTIME_CHECK(substream)) |
| 1281 | return -ENXIO; |
| 1282 | |
| 1283 | if (!substream || !substream->private_data) { |
| 1284 | pr_err("%s: Invalid %s\n", __func__, |
| 1285 | (!substream) ? "substream" : "private_data"); |
| 1286 | return -EINVAL; |
| 1287 | } |
| 1288 | runtime = substream->runtime; |
| 1289 | rtd = substream->private_data; |
| 1290 | prtd = runtime->private_data; |
| 1291 | |
| 1292 | mutex_lock(&prtd->lsm_api_lock); |
| 1293 | |
| 1294 | switch (cmd) { |
| 1295 | case SNDRV_LSM_EVENT_STATUS: { |
| 1296 | struct snd_lsm_event_status *user = NULL, userarg32; |
| 1297 | struct snd_lsm_event_status *user32 = NULL; |
| 1298 | |
| 1299 | if (copy_from_user(&userarg32, arg, sizeof(userarg32))) { |
| 1300 | dev_err(rtd->dev, "%s: err copyuser ioctl %s\n", |
| 1301 | __func__, "SNDRV_LSM_EVENT_STATUS"); |
| 1302 | err = -EFAULT; |
| 1303 | goto done; |
| 1304 | } |
| 1305 | |
| 1306 | if (userarg32.payload_size > |
| 1307 | LISTEN_MAX_STATUS_PAYLOAD_SIZE) { |
| 1308 | pr_err("%s: payload_size %d is invalid, max allowed = %d\n", |
| 1309 | __func__, userarg32.payload_size, |
| 1310 | LISTEN_MAX_STATUS_PAYLOAD_SIZE); |
| 1311 | err = -EINVAL; |
| 1312 | goto done; |
| 1313 | } |
| 1314 | |
| 1315 | size = sizeof(*user) + userarg32.payload_size; |
| 1316 | user = kzalloc(size, GFP_KERNEL); |
| 1317 | if (!user) { |
| 1318 | dev_err(rtd->dev, |
| 1319 | "%s: Allocation failed event status size %d\n", |
| 1320 | __func__, size); |
| 1321 | err = -EFAULT; |
| 1322 | goto done; |
| 1323 | } else { |
| 1324 | cmd = SNDRV_LSM_EVENT_STATUS; |
| 1325 | user->payload_size = userarg32.payload_size; |
| 1326 | err = msm_lsm_ioctl_shared(substream, cmd, user); |
| 1327 | } |
| 1328 | |
| 1329 | /* Update size with actual payload size */ |
| 1330 | size = sizeof(userarg32) + user->payload_size; |
| 1331 | if (!err && !access_ok(VERIFY_WRITE, arg, size)) { |
| 1332 | dev_err(rtd->dev, |
| 1333 | "%s: write verify failed size %d\n", |
| 1334 | __func__, size); |
| 1335 | err = -EFAULT; |
| 1336 | } |
| 1337 | if (!err) { |
| 1338 | user32 = kzalloc(size, GFP_KERNEL); |
| 1339 | if (!user32) { |
| 1340 | dev_err(rtd->dev, |
| 1341 | "%s: Allocation event user status size %d\n", |
| 1342 | __func__, size); |
| 1343 | err = -EFAULT; |
| 1344 | } else { |
| 1345 | user32->status = user->status; |
| 1346 | user32->payload_size = user->payload_size; |
| 1347 | memcpy(user32->payload, |
| 1348 | user->payload, user32->payload_size); |
| 1349 | } |
| 1350 | } |
| 1351 | if (!err && (copy_to_user(arg, user32, size))) { |
| 1352 | dev_err(rtd->dev, "%s: failed to copy payload %d", |
| 1353 | __func__, size); |
| 1354 | err = -EFAULT; |
| 1355 | } |
| 1356 | kfree(user); |
| 1357 | kfree(user32); |
| 1358 | if (err) |
| 1359 | dev_err(rtd->dev, "%s: lsmevent failed %d", |
| 1360 | __func__, err); |
| 1361 | break; |
| 1362 | } |
| 1363 | |
| 1364 | case SNDRV_LSM_EVENT_STATUS_V3_32: { |
| 1365 | struct snd_lsm_event_status_v3_32 userarg32, *user32 = NULL; |
| 1366 | struct snd_lsm_event_status_v3 *user = NULL; |
| 1367 | |
| 1368 | if (copy_from_user(&userarg32, arg, sizeof(userarg32))) { |
| 1369 | dev_err(rtd->dev, "%s: err copyuser ioctl %s\n", |
| 1370 | __func__, "SNDRV_LSM_EVENT_STATUS_V3_32"); |
| 1371 | return -EFAULT; |
| 1372 | } |
| 1373 | |
| 1374 | if (userarg32.payload_size > |
| 1375 | LISTEN_MAX_STATUS_PAYLOAD_SIZE) { |
| 1376 | pr_err("%s: payload_size %d is invalid, max allowed = %d\n", |
| 1377 | __func__, userarg32.payload_size, |
| 1378 | LISTEN_MAX_STATUS_PAYLOAD_SIZE); |
| 1379 | return -EINVAL; |
| 1380 | } |
| 1381 | |
| 1382 | size = sizeof(*user) + userarg32.payload_size; |
| 1383 | user = kzalloc(size, GFP_KERNEL); |
| 1384 | if (!user) { |
| 1385 | dev_err(rtd->dev, |
| 1386 | "%s: Allocation failed event status size %d\n", |
| 1387 | __func__, size); |
| 1388 | return -EFAULT; |
| 1389 | } |
| 1390 | cmd = SNDRV_LSM_EVENT_STATUS_V3; |
| 1391 | user->payload_size = userarg32.payload_size; |
| 1392 | err = msm_lsm_ioctl_shared(substream, cmd, user); |
| 1393 | |
| 1394 | /* Update size with actual payload size */ |
| 1395 | size = sizeof(userarg32) + user->payload_size; |
| 1396 | if (!err && !access_ok(VERIFY_WRITE, arg, size)) { |
| 1397 | dev_err(rtd->dev, |
| 1398 | "%s: write verify failed size %d\n", |
| 1399 | __func__, size); |
| 1400 | err = -EFAULT; |
| 1401 | } |
| 1402 | if (!err) { |
| 1403 | user32 = kzalloc(size, GFP_KERNEL); |
| 1404 | if (!user32) { |
| 1405 | dev_err(rtd->dev, |
| 1406 | "%s: Allocation event user status size %d\n", |
| 1407 | __func__, size); |
| 1408 | err = -EFAULT; |
| 1409 | } else { |
| 1410 | user32->timestamp_lsw = user->timestamp_lsw; |
| 1411 | user32->timestamp_msw = user->timestamp_msw; |
| 1412 | user32->status = user->status; |
| 1413 | user32->payload_size = user->payload_size; |
| 1414 | memcpy(user32->payload, |
| 1415 | user->payload, user32->payload_size); |
| 1416 | } |
| 1417 | } |
| 1418 | if (!err && (copy_to_user(arg, user32, size))) { |
| 1419 | dev_err(rtd->dev, "%s: failed to copy payload %d", |
| 1420 | __func__, size); |
| 1421 | err = -EFAULT; |
| 1422 | } |
| 1423 | kfree(user); |
| 1424 | kfree(user32); |
| 1425 | if (err) |
| 1426 | dev_err(rtd->dev, "%s: lsmevent failed %d", |
| 1427 | __func__, err); |
| 1428 | break; |
| 1429 | } |
| 1430 | |
| 1431 | case SNDRV_LSM_REG_SND_MODEL_V2_32: { |
| 1432 | struct snd_lsm_sound_model_v2_32 snd_modelv232; |
| 1433 | struct snd_lsm_sound_model_v2 snd_modelv2; |
| 1434 | |
| 1435 | if (prtd->lsm_client->use_topology) { |
| 1436 | dev_err(rtd->dev, |
| 1437 | "%s: %s: not supported if using topology\n", |
| 1438 | __func__, "REG_SND_MODEL_V2"); |
| 1439 | err = -EINVAL; |
| 1440 | goto done; |
| 1441 | } |
| 1442 | |
| 1443 | if (copy_from_user(&snd_modelv232, arg, |
| 1444 | sizeof(snd_modelv232))) { |
| 1445 | err = -EFAULT; |
| 1446 | dev_err(rtd->dev, |
| 1447 | "%s: copy user failed, size %zd %s\n", |
| 1448 | __func__, |
| 1449 | sizeof(struct snd_lsm_sound_model_v2_32), |
| 1450 | "SNDRV_LSM_REG_SND_MODEL_V2_32"); |
| 1451 | } else { |
| 1452 | snd_modelv2.confidence_level = |
| 1453 | compat_ptr(snd_modelv232.confidence_level); |
| 1454 | snd_modelv2.data = compat_ptr(snd_modelv232.data); |
| 1455 | snd_modelv2.data_size = snd_modelv232.data_size; |
| 1456 | snd_modelv2.detect_failure = |
| 1457 | snd_modelv232.detect_failure; |
| 1458 | snd_modelv2.detection_mode = |
| 1459 | snd_modelv232.detection_mode; |
| 1460 | snd_modelv2.num_confidence_levels = |
| 1461 | snd_modelv232.num_confidence_levels; |
| 1462 | cmd = SNDRV_LSM_REG_SND_MODEL_V2; |
| 1463 | err = msm_lsm_ioctl_shared(substream, cmd, |
| 1464 | &snd_modelv2); |
| 1465 | if (err) |
| 1466 | dev_err(rtd->dev, |
| 1467 | "%s: ioctl %s failed\n", __func__, |
| 1468 | "SNDDRV_LSM_REG_SND_MODEL_V2_32"); |
| 1469 | } |
| 1470 | break; |
| 1471 | } |
| 1472 | |
| 1473 | case SNDRV_LSM_SET_PARAMS_32:{ |
| 1474 | struct snd_lsm_detection_params_32 det_params32; |
| 1475 | struct snd_lsm_detection_params det_params; |
| 1476 | |
| 1477 | if (prtd->lsm_client->use_topology) { |
| 1478 | dev_err(rtd->dev, |
| 1479 | "%s: %s: not supported if using topology\n", |
| 1480 | __func__, "SET_PARAMS_32"); |
| 1481 | err = -EINVAL; |
| 1482 | } |
| 1483 | |
| 1484 | if (copy_from_user(&det_params32, arg, |
| 1485 | sizeof(det_params32))) { |
| 1486 | err = -EFAULT; |
| 1487 | dev_err(rtd->dev, |
| 1488 | "%s: %s: copy_from_user failed, size = %zd\n", |
| 1489 | __func__, "SNDRV_LSM_SET_PARAMS_32", |
| 1490 | sizeof(det_params32)); |
| 1491 | } else { |
| 1492 | det_params.conf_level = |
| 1493 | compat_ptr(det_params32.conf_level); |
| 1494 | det_params.detect_mode = |
| 1495 | det_params32.detect_mode; |
| 1496 | det_params.num_confidence_levels = |
| 1497 | det_params32.num_confidence_levels; |
| 1498 | det_params.detect_failure = |
| 1499 | det_params32.detect_failure; |
| 1500 | cmd = SNDRV_LSM_SET_PARAMS; |
| 1501 | err = msm_lsm_ioctl_shared(substream, cmd, |
| 1502 | &det_params); |
| 1503 | if (err) |
| 1504 | dev_err(rtd->dev, |
| 1505 | "%s: ioctl %s failed\n", __func__, |
| 1506 | "SNDRV_LSM_SET_PARAMS"); |
| 1507 | } |
| 1508 | break; |
| 1509 | } |
| 1510 | |
| 1511 | case SNDRV_LSM_SET_MODULE_PARAMS_32: { |
| 1512 | struct snd_lsm_module_params_32 p_data_32; |
| 1513 | struct snd_lsm_module_params p_data; |
| 1514 | u8 *params, *params32; |
| 1515 | size_t p_size; |
| 1516 | struct lsm_params_info_32 *p_info_32; |
| 1517 | struct lsm_params_info *p_info; |
| 1518 | int i; |
| 1519 | |
| 1520 | if (!prtd->lsm_client->use_topology) { |
| 1521 | dev_err(rtd->dev, |
| 1522 | "%s: %s: not supported if not using topology\n", |
| 1523 | __func__, "SET_MODULE_PARAMS_32"); |
| 1524 | err = -EINVAL; |
| 1525 | goto done; |
| 1526 | } |
| 1527 | |
| 1528 | if (copy_from_user(&p_data_32, arg, |
| 1529 | sizeof(p_data_32))) { |
| 1530 | dev_err(rtd->dev, |
| 1531 | "%s: %s: copy_from_user failed, size = %zd\n", |
| 1532 | __func__, "SET_MODULE_PARAMS_32", |
| 1533 | sizeof(p_data_32)); |
| 1534 | err = -EFAULT; |
| 1535 | goto done; |
| 1536 | } |
| 1537 | |
| 1538 | p_data.params = compat_ptr(p_data_32.params); |
| 1539 | p_data.num_params = p_data_32.num_params; |
| 1540 | p_data.data_size = p_data_32.data_size; |
| 1541 | |
| 1542 | if (p_data.num_params > LSM_PARAMS_MAX) { |
| 1543 | dev_err(rtd->dev, |
| 1544 | "%s: %s: Invalid num_params %d\n", |
| 1545 | __func__, "SET_MODULE_PARAMS_32", |
| 1546 | p_data.num_params); |
| 1547 | err = -EINVAL; |
| 1548 | goto done; |
| 1549 | } |
| 1550 | |
| 1551 | if (p_data.data_size != |
| 1552 | (p_data.num_params * sizeof(struct lsm_params_info_32))) { |
| 1553 | dev_err(rtd->dev, |
| 1554 | "%s: %s: Invalid size %d\n", |
| 1555 | __func__, "SET_MODULE_PARAMS_32", |
| 1556 | p_data.data_size); |
| 1557 | err = -EINVAL; |
| 1558 | goto done; |
| 1559 | } |
| 1560 | |
| 1561 | p_size = sizeof(struct lsm_params_info_32) * |
| 1562 | p_data.num_params; |
| 1563 | |
| 1564 | params32 = kzalloc(p_size, GFP_KERNEL); |
| 1565 | if (!params32) { |
| 1566 | err = -ENOMEM; |
| 1567 | goto done; |
| 1568 | } |
| 1569 | |
| 1570 | p_size = sizeof(struct lsm_params_info) * p_data.num_params; |
| 1571 | params = kzalloc(p_size, GFP_KERNEL); |
| 1572 | if (!params) { |
| 1573 | dev_err(rtd->dev, |
| 1574 | "%s: no memory for params, size = %zd\n", |
| 1575 | __func__, p_size); |
| 1576 | kfree(params32); |
| 1577 | err = -ENOMEM; |
| 1578 | goto done; |
| 1579 | } |
| 1580 | |
| 1581 | if (copy_from_user(params32, p_data.params, |
| 1582 | p_data.data_size)) { |
| 1583 | dev_err(rtd->dev, |
| 1584 | "%s: %s: copy_from_user failed, size = %d\n", |
| 1585 | __func__, "params32", p_data.data_size); |
| 1586 | kfree(params32); |
| 1587 | kfree(params); |
| 1588 | err = -EFAULT; |
| 1589 | goto done; |
| 1590 | } |
| 1591 | |
| 1592 | p_info_32 = (struct lsm_params_info_32 *) params32; |
| 1593 | p_info = (struct lsm_params_info *) params; |
| 1594 | for (i = 0; i < p_data.num_params; i++) { |
| 1595 | p_info->module_id = p_info_32->module_id; |
| 1596 | p_info->param_id = p_info_32->param_id; |
| 1597 | p_info->param_size = p_info_32->param_size; |
| 1598 | p_info->param_data = compat_ptr(p_info_32->param_data); |
| 1599 | p_info->param_type = p_info_32->param_type; |
| 1600 | |
| 1601 | p_info_32++; |
| 1602 | p_info++; |
| 1603 | } |
| 1604 | |
| 1605 | err = msm_lsm_process_params(substream, |
| 1606 | &p_data, params); |
| 1607 | if (err) |
| 1608 | dev_err(rtd->dev, |
| 1609 | "%s: Failed to process params, err = %d\n", |
| 1610 | __func__, err); |
| 1611 | kfree(params); |
| 1612 | kfree(params32); |
| 1613 | break; |
| 1614 | } |
| 1615 | case SNDRV_LSM_REG_SND_MODEL_V2: |
| 1616 | case SNDRV_LSM_SET_PARAMS: |
| 1617 | case SNDRV_LSM_SET_MODULE_PARAMS: |
| 1618 | /* |
| 1619 | * In ideal cases, the compat_ioctl should never be called |
| 1620 | * with the above unlocked ioctl commands. Print error |
| 1621 | * and return error if it does. |
| 1622 | */ |
| 1623 | dev_err(rtd->dev, |
| 1624 | "%s: Invalid cmd for compat_ioctl\n", |
| 1625 | __func__); |
| 1626 | err = -EINVAL; |
| 1627 | break; |
| 1628 | default: |
| 1629 | err = msm_lsm_ioctl_shared(substream, cmd, arg); |
| 1630 | break; |
| 1631 | } |
| 1632 | done: |
| 1633 | mutex_unlock(&prtd->lsm_api_lock); |
| 1634 | return err; |
| 1635 | } |
| 1636 | #else |
| 1637 | #define msm_lsm_ioctl_compat NULL |
| 1638 | #endif |
| 1639 | |
| 1640 | static int msm_lsm_ioctl(struct snd_pcm_substream *substream, |
| 1641 | unsigned int cmd, void *arg) |
| 1642 | { |
| 1643 | int err = 0; |
| 1644 | u32 size = 0; |
| 1645 | struct snd_pcm_runtime *runtime; |
| 1646 | struct snd_soc_pcm_runtime *rtd; |
| 1647 | struct lsm_priv *prtd; |
| 1648 | |
| 1649 | if (!substream || !substream->private_data) { |
| 1650 | pr_err("%s: Invalid %s\n", __func__, |
| 1651 | (!substream) ? "substream" : "private_data"); |
| 1652 | return -EINVAL; |
| 1653 | } |
| 1654 | runtime = substream->runtime; |
| 1655 | prtd = runtime->private_data; |
| 1656 | rtd = substream->private_data; |
| 1657 | |
| 1658 | mutex_lock(&prtd->lsm_api_lock); |
| 1659 | switch (cmd) { |
| 1660 | case SNDRV_LSM_REG_SND_MODEL_V2: { |
| 1661 | struct snd_lsm_sound_model_v2 snd_model_v2; |
| 1662 | |
| 1663 | if (prtd->lsm_client->use_topology) { |
| 1664 | dev_err(rtd->dev, |
| 1665 | "%s: %s: not supported if using topology\n", |
| 1666 | __func__, "REG_SND_MODEL_V2"); |
| 1667 | err = -EINVAL; |
| 1668 | goto done; |
| 1669 | } |
| 1670 | |
| 1671 | if (copy_from_user(&snd_model_v2, arg, sizeof(snd_model_v2))) { |
| 1672 | err = -EFAULT; |
| 1673 | dev_err(rtd->dev, |
| 1674 | "%s: copy from user failed, size %zd\n", |
| 1675 | __func__, |
| 1676 | sizeof(struct snd_lsm_sound_model_v2)); |
| 1677 | } |
| 1678 | if (!err) |
| 1679 | err = msm_lsm_ioctl_shared(substream, cmd, |
| 1680 | &snd_model_v2); |
| 1681 | if (err) |
| 1682 | dev_err(rtd->dev, |
| 1683 | "%s REG_SND_MODEL failed err %d\n", |
| 1684 | __func__, err); |
Laxminath Kasam | 38070be | 2017-08-17 18:21:59 +0530 | [diff] [blame] | 1685 | goto done; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1686 | } |
| 1687 | break; |
| 1688 | case SNDRV_LSM_SET_PARAMS: { |
| 1689 | struct snd_lsm_detection_params det_params; |
| 1690 | |
| 1691 | if (prtd->lsm_client->use_topology) { |
| 1692 | dev_err(rtd->dev, |
| 1693 | "%s: %s: not supported if using topology\n", |
| 1694 | __func__, "SET_PARAMS"); |
| 1695 | err = -EINVAL; |
| 1696 | goto done; |
| 1697 | } |
| 1698 | |
| 1699 | pr_debug("%s: SNDRV_LSM_SET_PARAMS\n", __func__); |
| 1700 | |
| 1701 | if (copy_from_user(&det_params, arg, |
| 1702 | sizeof(det_params))) { |
| 1703 | dev_err(rtd->dev, |
| 1704 | "%s: %s: copy_from_user failed, size %zd\n", |
| 1705 | __func__, "SNDRV_LSM_SET_PARAMS", |
| 1706 | sizeof(det_params)); |
| 1707 | err = -EFAULT; |
| 1708 | } |
| 1709 | |
| 1710 | if (!err) |
| 1711 | err = msm_lsm_ioctl_shared(substream, cmd, |
| 1712 | &det_params); |
| 1713 | else |
| 1714 | dev_err(rtd->dev, |
| 1715 | "%s: LSM_SET_PARAMS failed, err %d\n", |
| 1716 | __func__, err); |
| 1717 | |
| 1718 | goto done; |
| 1719 | } |
| 1720 | |
| 1721 | case SNDRV_LSM_SET_MODULE_PARAMS: { |
| 1722 | struct snd_lsm_module_params p_data; |
| 1723 | size_t p_size; |
| 1724 | u8 *params; |
| 1725 | |
| 1726 | if (!prtd->lsm_client->use_topology) { |
| 1727 | dev_err(rtd->dev, |
| 1728 | "%s: %s: not supported if not using topology\n", |
| 1729 | __func__, "SET_MODULE_PARAMS"); |
| 1730 | err = -EINVAL; |
| 1731 | goto done; |
| 1732 | } |
| 1733 | |
| 1734 | if (copy_from_user(&p_data, arg, |
| 1735 | sizeof(p_data))) { |
| 1736 | dev_err(rtd->dev, |
| 1737 | "%s: %s: copy_from_user failed, size = %zd\n", |
| 1738 | __func__, "p_data", sizeof(p_data)); |
| 1739 | err = -EFAULT; |
| 1740 | goto done; |
| 1741 | } |
| 1742 | |
| 1743 | if (p_data.num_params > LSM_PARAMS_MAX) { |
| 1744 | dev_err(rtd->dev, |
| 1745 | "%s: %s: Invalid num_params %d\n", |
| 1746 | __func__, "SET_MODULE_PARAMS", |
| 1747 | p_data.num_params); |
| 1748 | err = -EINVAL; |
| 1749 | goto done; |
| 1750 | } |
| 1751 | |
| 1752 | p_size = p_data.num_params * |
| 1753 | sizeof(struct lsm_params_info); |
| 1754 | |
| 1755 | if (p_data.data_size != p_size) { |
| 1756 | dev_err(rtd->dev, |
| 1757 | "%s: %s: Invalid size %zd\n", |
| 1758 | __func__, "SET_MODULE_PARAMS", p_size); |
| 1759 | |
| 1760 | err = -EFAULT; |
| 1761 | goto done; |
| 1762 | } |
| 1763 | |
| 1764 | params = kzalloc(p_size, GFP_KERNEL); |
| 1765 | if (!params) { |
| 1766 | err = -ENOMEM; |
| 1767 | goto done; |
| 1768 | } |
| 1769 | |
| 1770 | if (copy_from_user(params, p_data.params, |
| 1771 | p_data.data_size)) { |
| 1772 | dev_err(rtd->dev, |
| 1773 | "%s: %s: copy_from_user failed, size = %d\n", |
| 1774 | __func__, "params", p_data.data_size); |
| 1775 | kfree(params); |
| 1776 | err = -EFAULT; |
| 1777 | goto done; |
| 1778 | } |
| 1779 | |
| 1780 | err = msm_lsm_process_params(substream, &p_data, params); |
| 1781 | if (err) |
| 1782 | dev_err(rtd->dev, |
| 1783 | "%s: %s: Failed to set params, err = %d\n", |
| 1784 | __func__, "SET_MODULE_PARAMS", err); |
| 1785 | kfree(params); |
| 1786 | break; |
| 1787 | } |
| 1788 | |
| 1789 | case SNDRV_LSM_EVENT_STATUS: { |
| 1790 | struct snd_lsm_event_status *user = NULL, userarg; |
| 1791 | |
| 1792 | dev_dbg(rtd->dev, |
| 1793 | "%s: SNDRV_LSM_EVENT_STATUS\n", __func__); |
| 1794 | if (copy_from_user(&userarg, arg, sizeof(userarg))) { |
| 1795 | dev_err(rtd->dev, |
| 1796 | "%s: err copyuser event_status\n", |
| 1797 | __func__); |
| 1798 | err = -EFAULT; |
| 1799 | goto done; |
| 1800 | } |
| 1801 | |
| 1802 | if (userarg.payload_size > |
| 1803 | LISTEN_MAX_STATUS_PAYLOAD_SIZE) { |
| 1804 | pr_err("%s: payload_size %d is invalid, max allowed = %d\n", |
| 1805 | __func__, userarg.payload_size, |
| 1806 | LISTEN_MAX_STATUS_PAYLOAD_SIZE); |
| 1807 | err = -EINVAL; |
| 1808 | goto done; |
| 1809 | } |
| 1810 | |
| 1811 | size = sizeof(struct snd_lsm_event_status) + |
| 1812 | userarg.payload_size; |
| 1813 | user = kzalloc(size, GFP_KERNEL); |
| 1814 | if (!user) { |
| 1815 | dev_err(rtd->dev, |
| 1816 | "%s: Allocation failed event status size %d\n", |
| 1817 | __func__, size); |
| 1818 | err = -EFAULT; |
| 1819 | goto done; |
| 1820 | } |
| 1821 | user->payload_size = userarg.payload_size; |
| 1822 | err = msm_lsm_ioctl_shared(substream, cmd, user); |
| 1823 | |
| 1824 | /* Update size with actual payload size */ |
| 1825 | size = sizeof(*user) + user->payload_size; |
| 1826 | if (!err && !access_ok(VERIFY_WRITE, arg, size)) { |
| 1827 | dev_err(rtd->dev, |
| 1828 | "%s: write verify failed size %d\n", |
| 1829 | __func__, size); |
| 1830 | err = -EFAULT; |
| 1831 | } |
| 1832 | if (!err && (copy_to_user(arg, user, size))) { |
| 1833 | dev_err(rtd->dev, |
| 1834 | "%s: failed to copy payload %d", |
| 1835 | __func__, size); |
| 1836 | err = -EFAULT; |
| 1837 | } |
| 1838 | kfree(user); |
| 1839 | if (err) |
| 1840 | dev_err(rtd->dev, |
| 1841 | "%s: lsmevent failed %d", __func__, err); |
| 1842 | goto done; |
| 1843 | } |
| 1844 | |
| 1845 | case SNDRV_LSM_EVENT_STATUS_V3: { |
| 1846 | struct snd_lsm_event_status_v3 *user = NULL; |
| 1847 | struct snd_lsm_event_status_v3 userarg; |
| 1848 | |
| 1849 | dev_dbg(rtd->dev, |
| 1850 | "%s: SNDRV_LSM_EVENT_STATUS_V3\n", __func__); |
| 1851 | if (!arg) { |
| 1852 | dev_err(rtd->dev, |
| 1853 | "%s: Invalid params event_status_v3\n", |
| 1854 | __func__); |
Laxminath Kasam | 38070be | 2017-08-17 18:21:59 +0530 | [diff] [blame] | 1855 | err = -EINVAL; |
| 1856 | goto done; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1857 | } |
| 1858 | if (copy_from_user(&userarg, arg, sizeof(userarg))) { |
| 1859 | dev_err(rtd->dev, |
| 1860 | "%s: err copyuser event_status_v3\n", |
| 1861 | __func__); |
Laxminath Kasam | 38070be | 2017-08-17 18:21:59 +0530 | [diff] [blame] | 1862 | err = -EFAULT; |
| 1863 | goto done; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1864 | } |
| 1865 | |
| 1866 | if (userarg.payload_size > |
| 1867 | LISTEN_MAX_STATUS_PAYLOAD_SIZE) { |
| 1868 | pr_err("%s: payload_size %d is invalid, max allowed = %d\n", |
| 1869 | __func__, userarg.payload_size, |
| 1870 | LISTEN_MAX_STATUS_PAYLOAD_SIZE); |
Laxminath Kasam | 38070be | 2017-08-17 18:21:59 +0530 | [diff] [blame] | 1871 | err = -EINVAL; |
| 1872 | goto done; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1873 | } |
| 1874 | |
| 1875 | size = sizeof(struct snd_lsm_event_status_v3) + |
| 1876 | userarg.payload_size; |
| 1877 | user = kzalloc(size, GFP_KERNEL); |
| 1878 | if (!user) { |
| 1879 | dev_err(rtd->dev, |
| 1880 | "%s: Allocation failed event status size %d\n", |
| 1881 | __func__, size); |
Laxminath Kasam | 38070be | 2017-08-17 18:21:59 +0530 | [diff] [blame] | 1882 | err = -EFAULT; |
| 1883 | goto done; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1884 | } |
| 1885 | user->payload_size = userarg.payload_size; |
| 1886 | err = msm_lsm_ioctl_shared(substream, cmd, user); |
| 1887 | |
| 1888 | /* Update size with actual payload size */ |
| 1889 | size = sizeof(*user) + user->payload_size; |
| 1890 | if (!err && !access_ok(VERIFY_WRITE, arg, size)) { |
| 1891 | dev_err(rtd->dev, |
| 1892 | "%s: write verify failed size %d\n", |
| 1893 | __func__, size); |
| 1894 | err = -EFAULT; |
| 1895 | } |
| 1896 | if (!err && (copy_to_user(arg, user, size))) { |
| 1897 | dev_err(rtd->dev, |
| 1898 | "%s: failed to copy payload %d", |
| 1899 | __func__, size); |
| 1900 | err = -EFAULT; |
| 1901 | } |
| 1902 | kfree(user); |
| 1903 | if (err) |
| 1904 | dev_err(rtd->dev, |
| 1905 | "%s: lsm_event_v3 failed %d", __func__, err); |
| 1906 | break; |
| 1907 | } |
| 1908 | |
| 1909 | default: |
| 1910 | err = msm_lsm_ioctl_shared(substream, cmd, arg); |
| 1911 | break; |
| 1912 | } |
| 1913 | done: |
| 1914 | mutex_unlock(&prtd->lsm_api_lock); |
| 1915 | return err; |
| 1916 | } |
| 1917 | |
| 1918 | static int msm_lsm_open(struct snd_pcm_substream *substream) |
| 1919 | { |
| 1920 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 1921 | struct lsm_priv *prtd; |
| 1922 | int ret = 0; |
| 1923 | |
| 1924 | pr_debug("%s\n", __func__); |
| 1925 | prtd = kzalloc(sizeof(struct lsm_priv), GFP_KERNEL); |
| 1926 | if (!prtd) { |
| 1927 | pr_err("%s: Failed to allocate memory for lsm_priv\n", |
| 1928 | __func__); |
| 1929 | return -ENOMEM; |
| 1930 | } |
| 1931 | mutex_init(&prtd->lsm_api_lock); |
| 1932 | spin_lock_init(&prtd->event_lock); |
| 1933 | init_waitqueue_head(&prtd->event_wait); |
| 1934 | init_waitqueue_head(&prtd->period_wait); |
| 1935 | prtd->substream = substream; |
| 1936 | runtime->private_data = prtd; |
| 1937 | runtime->hw = msm_pcm_hardware_capture; |
| 1938 | |
| 1939 | ret = snd_pcm_hw_constraint_list(runtime, 0, |
| 1940 | SNDRV_PCM_HW_PARAM_RATE, |
| 1941 | &constraints_sample_rates); |
| 1942 | if (ret < 0) |
| 1943 | pr_info("%s: snd_pcm_hw_constraint_list failed ret %d\n", |
| 1944 | __func__, ret); |
| 1945 | /* Ensure that buffer size is a multiple of period size */ |
| 1946 | ret = snd_pcm_hw_constraint_integer(runtime, |
| 1947 | SNDRV_PCM_HW_PARAM_PERIODS); |
| 1948 | if (ret < 0) |
| 1949 | pr_info("%s: snd_pcm_hw_constraint_integer failed ret %d\n", |
| 1950 | __func__, ret); |
| 1951 | |
| 1952 | ret = snd_pcm_hw_constraint_minmax(runtime, |
| 1953 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, |
| 1954 | CAPTURE_MIN_NUM_PERIODS * CAPTURE_MIN_PERIOD_SIZE, |
| 1955 | CAPTURE_MAX_NUM_PERIODS * CAPTURE_MAX_PERIOD_SIZE); |
| 1956 | if (ret < 0) |
| 1957 | pr_info("%s: constraint for buffer bytes min max ret = %d\n", |
| 1958 | __func__, ret); |
| 1959 | ret = snd_pcm_hw_constraint_step(runtime, 0, |
| 1960 | SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); |
| 1961 | if (ret < 0) { |
| 1962 | pr_info("%s: constraint for period bytes step ret = %d\n", |
| 1963 | __func__, ret); |
| 1964 | } |
| 1965 | ret = snd_pcm_hw_constraint_step(runtime, 0, |
| 1966 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32); |
| 1967 | if (ret < 0) |
| 1968 | pr_info("%s: constraint for buffer bytes step ret = %d\n", |
| 1969 | __func__, ret); |
| 1970 | prtd->lsm_client = q6lsm_client_alloc( |
| 1971 | (lsm_app_cb)lsm_event_handler, prtd); |
| 1972 | if (!prtd->lsm_client) { |
| 1973 | pr_err("%s: Could not allocate memory\n", __func__); |
| 1974 | kfree(prtd); |
| 1975 | runtime->private_data = NULL; |
| 1976 | return -ENOMEM; |
| 1977 | } |
| 1978 | prtd->lsm_client->opened = false; |
| 1979 | prtd->lsm_client->session_state = IDLE; |
| 1980 | prtd->lsm_client->poll_enable = true; |
| 1981 | prtd->lsm_client->perf_mode = 0; |
| 1982 | prtd->lsm_client->event_mode = LSM_EVENT_NON_TIME_STAMP_MODE; |
| 1983 | |
| 1984 | return 0; |
| 1985 | } |
| 1986 | |
| 1987 | static int msm_lsm_prepare(struct snd_pcm_substream *substream) |
| 1988 | { |
| 1989 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 1990 | struct lsm_priv *prtd = runtime->private_data; |
| 1991 | struct snd_soc_pcm_runtime *rtd; |
| 1992 | int ret = 0; |
| 1993 | |
| 1994 | if (!substream->private_data) { |
| 1995 | pr_err("%s: Invalid private_data", __func__); |
| 1996 | return -EINVAL; |
| 1997 | } |
| 1998 | |
| 1999 | rtd = prtd->substream->private_data; |
| 2000 | |
| 2001 | if (!prtd->lsm_client) { |
| 2002 | dev_err(rtd->dev, |
| 2003 | "%s: LSM client data ptr is NULL\n", __func__); |
| 2004 | return -EINVAL; |
| 2005 | } |
| 2006 | |
| 2007 | if (q6lsm_set_media_fmt_params(prtd->lsm_client)) |
| 2008 | dev_dbg(rtd->dev, |
| 2009 | "%s: failed to set lsm media fmt params\n", __func__); |
| 2010 | |
| 2011 | if (prtd->lsm_client->session_state == IDLE) { |
| 2012 | ret = msm_pcm_routing_reg_phy_compr_stream( |
| 2013 | rtd->dai_link->id, |
| 2014 | prtd->lsm_client->perf_mode, |
| 2015 | prtd->lsm_client->session, |
| 2016 | SNDRV_PCM_STREAM_CAPTURE, |
| 2017 | LISTEN); |
| 2018 | if (ret) { |
| 2019 | dev_err(rtd->dev, |
| 2020 | "%s: register phy compr stream failed %d\n", |
| 2021 | __func__, ret); |
| 2022 | return ret; |
| 2023 | } |
| 2024 | } |
| 2025 | |
| 2026 | prtd->lsm_client->session_state = RUNNING; |
| 2027 | prtd->lsm_client->started = false; |
| 2028 | runtime->private_data = prtd; |
| 2029 | return ret; |
| 2030 | } |
| 2031 | |
| 2032 | static int msm_lsm_close(struct snd_pcm_substream *substream) |
| 2033 | { |
| 2034 | unsigned long flags; |
| 2035 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 2036 | struct lsm_priv *prtd = runtime->private_data; |
| 2037 | struct snd_soc_pcm_runtime *rtd; |
| 2038 | int ret = 0; |
| 2039 | |
| 2040 | if (!substream->private_data) { |
| 2041 | pr_err("%s: Invalid private_data", __func__); |
| 2042 | return -EINVAL; |
| 2043 | } |
| 2044 | if (!prtd || !prtd->lsm_client) { |
| 2045 | pr_err("%s: No LSM session active\n", __func__); |
| 2046 | return -EINVAL; |
| 2047 | } |
| 2048 | rtd = substream->private_data; |
| 2049 | |
| 2050 | dev_dbg(rtd->dev, "%s\n", __func__); |
| 2051 | if (prtd->lsm_client->started) { |
| 2052 | ret = q6lsm_stop(prtd->lsm_client, true); |
| 2053 | if (ret) |
| 2054 | dev_err(rtd->dev, |
| 2055 | "%s: session stop failed, err = %d\n", |
| 2056 | __func__, ret); |
| 2057 | else |
| 2058 | dev_dbg(rtd->dev, |
| 2059 | "%s: LSM client session stopped %d\n", |
| 2060 | __func__, ret); |
| 2061 | |
| 2062 | /* |
| 2063 | * Go Ahead and try de-register sound model, |
| 2064 | * even if stop failed |
| 2065 | */ |
| 2066 | prtd->lsm_client->started = false; |
| 2067 | |
| 2068 | ret = q6lsm_deregister_sound_model(prtd->lsm_client); |
| 2069 | if (ret) |
| 2070 | dev_err(rtd->dev, |
| 2071 | "%s: dereg_snd_model failed, err = %d\n", |
| 2072 | __func__, ret); |
| 2073 | else |
| 2074 | dev_dbg(rtd->dev, "%s: dereg_snd_model successful\n", |
| 2075 | __func__); |
| 2076 | } |
| 2077 | |
| 2078 | msm_pcm_routing_dereg_phy_stream(rtd->dai_link->id, |
| 2079 | SNDRV_PCM_STREAM_CAPTURE); |
| 2080 | |
| 2081 | if (prtd->lsm_client->opened) { |
| 2082 | q6lsm_close(prtd->lsm_client); |
| 2083 | prtd->lsm_client->opened = false; |
| 2084 | } |
| 2085 | q6lsm_client_free(prtd->lsm_client); |
| 2086 | |
| 2087 | spin_lock_irqsave(&prtd->event_lock, flags); |
| 2088 | kfree(prtd->event_status); |
| 2089 | prtd->event_status = NULL; |
| 2090 | spin_unlock_irqrestore(&prtd->event_lock, flags); |
| 2091 | mutex_destroy(&prtd->lsm_api_lock); |
| 2092 | kfree(prtd); |
| 2093 | runtime->private_data = NULL; |
| 2094 | |
| 2095 | return 0; |
| 2096 | } |
| 2097 | |
| 2098 | static int msm_lsm_hw_params(struct snd_pcm_substream *substream, |
| 2099 | struct snd_pcm_hw_params *params) |
| 2100 | { |
| 2101 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 2102 | struct lsm_priv *prtd = runtime->private_data; |
| 2103 | struct lsm_hw_params *hw_params = NULL; |
| 2104 | struct snd_soc_pcm_runtime *rtd; |
| 2105 | |
| 2106 | if (!substream->private_data) { |
| 2107 | pr_err("%s: Invalid private_data", __func__); |
| 2108 | return -EINVAL; |
| 2109 | } |
| 2110 | rtd = substream->private_data; |
| 2111 | |
| 2112 | if (!prtd || !params) { |
| 2113 | dev_err(rtd->dev, |
| 2114 | "%s: invalid params prtd %pK params %pK", |
| 2115 | __func__, prtd, params); |
| 2116 | return -EINVAL; |
| 2117 | } |
| 2118 | hw_params = &prtd->lsm_client->hw_params; |
| 2119 | hw_params->num_chs = params_channels(params); |
| 2120 | hw_params->period_count = params_periods(params); |
| 2121 | hw_params->sample_rate = params_rate(params); |
| 2122 | if (((hw_params->sample_rate != 16000) && |
| 2123 | (hw_params->sample_rate != 48000)) || |
| 2124 | (hw_params->period_count == 0)) { |
| 2125 | dev_err(rtd->dev, |
| 2126 | "%s: Invalid Params sample rate %d period count %d\n", |
| 2127 | __func__, hw_params->sample_rate, |
| 2128 | hw_params->period_count); |
| 2129 | return -EINVAL; |
| 2130 | } |
| 2131 | |
| 2132 | if (params_format(params) == SNDRV_PCM_FORMAT_S16_LE) { |
| 2133 | hw_params->sample_size = 16; |
| 2134 | } else if (params_format(params) == SNDRV_PCM_FORMAT_S24_LE) { |
| 2135 | hw_params->sample_size = 24; |
| 2136 | } else { |
| 2137 | dev_err(rtd->dev, "%s: Invalid Format 0x%x\n", |
| 2138 | __func__, params_format(params)); |
| 2139 | return -EINVAL; |
| 2140 | } |
| 2141 | |
| 2142 | hw_params->buf_sz = params_buffer_bytes(params) / |
| 2143 | hw_params->period_count; |
| 2144 | dev_dbg(rtd->dev, |
| 2145 | "%s: channels %d sample rate %d sample size %d buffer size %d period count %d\n", |
| 2146 | __func__, hw_params->num_chs, hw_params->sample_rate, |
| 2147 | hw_params->sample_size, hw_params->buf_sz, |
| 2148 | hw_params->period_count); |
| 2149 | return 0; |
| 2150 | } |
| 2151 | |
| 2152 | static snd_pcm_uframes_t msm_lsm_pcm_pointer( |
| 2153 | struct snd_pcm_substream *substream) |
| 2154 | { |
| 2155 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 2156 | struct lsm_priv *prtd = runtime->private_data; |
| 2157 | struct snd_soc_pcm_runtime *rtd; |
| 2158 | |
| 2159 | if (!substream->private_data) { |
| 2160 | pr_err("%s: Invalid private_data", __func__); |
| 2161 | return -EINVAL; |
| 2162 | } |
| 2163 | rtd = substream->private_data; |
| 2164 | |
| 2165 | if (!prtd) { |
| 2166 | dev_err(rtd->dev, |
| 2167 | "%s: Invalid param %pK\n", __func__, prtd); |
| 2168 | return 0; |
| 2169 | } |
| 2170 | |
| 2171 | if (prtd->dma_write >= snd_pcm_lib_buffer_bytes(substream)) |
| 2172 | prtd->dma_write = 0; |
| 2173 | dev_dbg(rtd->dev, |
| 2174 | "%s: dma post = %d\n", __func__, prtd->dma_write); |
| 2175 | return bytes_to_frames(runtime, prtd->dma_write); |
| 2176 | } |
| 2177 | |
| 2178 | static int msm_lsm_pcm_copy(struct snd_pcm_substream *substream, int ch, |
| 2179 | snd_pcm_uframes_t hwoff, void __user *buf, snd_pcm_uframes_t frames) |
| 2180 | { |
| 2181 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 2182 | struct lsm_priv *prtd = runtime->private_data; |
| 2183 | char *pcm_buf = NULL; |
| 2184 | int fbytes = 0, rc = 0; |
| 2185 | struct snd_soc_pcm_runtime *rtd; |
| 2186 | |
| 2187 | if (!substream->private_data) { |
| 2188 | pr_err("%s: Invalid private_data", __func__); |
| 2189 | return -EINVAL; |
| 2190 | } |
| 2191 | rtd = substream->private_data; |
| 2192 | |
| 2193 | if (!prtd) { |
| 2194 | dev_err(rtd->dev, |
| 2195 | "%s: Invalid param %pK\n", __func__, prtd); |
| 2196 | return -EINVAL; |
| 2197 | } |
| 2198 | |
| 2199 | fbytes = frames_to_bytes(runtime, frames); |
| 2200 | if (runtime->status->state == SNDRV_PCM_STATE_XRUN || |
| 2201 | runtime->status->state == SNDRV_PCM_STATE_PREPARED) { |
| 2202 | dev_err(rtd->dev, |
| 2203 | "%s: runtime state incorrect %d", __func__, |
| 2204 | runtime->status->state); |
| 2205 | return 0; |
| 2206 | } |
| 2207 | rc = wait_event_timeout(prtd->period_wait, |
| 2208 | (atomic_read(&prtd->buf_count) | |
| 2209 | atomic_read(&prtd->read_abort)), (2 * HZ)); |
| 2210 | if (!rc) { |
| 2211 | dev_err(rtd->dev, |
| 2212 | "%s: timeout for read retry\n", __func__); |
| 2213 | return -EAGAIN; |
| 2214 | } |
| 2215 | if (atomic_read(&prtd->read_abort)) { |
| 2216 | dev_err(rtd->dev, |
| 2217 | "%s: Read abort received\n", __func__); |
| 2218 | return -EIO; |
| 2219 | } |
| 2220 | prtd->appl_cnt = prtd->appl_cnt % |
| 2221 | prtd->lsm_client->hw_params.period_count; |
| 2222 | pcm_buf = prtd->lsm_client->lab_buffer[prtd->appl_cnt].data; |
| 2223 | dev_dbg(rtd->dev, |
| 2224 | "%s: copy the pcm data size %d\n", |
| 2225 | __func__, fbytes); |
| 2226 | if (pcm_buf) { |
| 2227 | if (copy_to_user(buf, pcm_buf, fbytes)) { |
| 2228 | dev_err(rtd->dev, |
| 2229 | "%s: failed to copy bytes %d\n", |
| 2230 | __func__, fbytes); |
| 2231 | return -EINVAL; |
| 2232 | } |
| 2233 | } else { |
| 2234 | dev_err(rtd->dev, |
| 2235 | "%s: Invalid pcm buffer\n", __func__); |
| 2236 | return -EINVAL; |
| 2237 | } |
| 2238 | prtd->appl_cnt = (prtd->appl_cnt + 1) % |
| 2239 | prtd->lsm_client->hw_params.period_count; |
| 2240 | atomic_dec(&prtd->buf_count); |
| 2241 | return 0; |
| 2242 | } |
| 2243 | |
| 2244 | static int msm_lsm_app_type_cfg_ctl_put(struct snd_kcontrol *kcontrol, |
| 2245 | struct snd_ctl_elem_value *ucontrol) |
| 2246 | { |
| 2247 | u64 fe_id = kcontrol->private_value; |
| 2248 | int session_type = SESSION_TYPE_TX; |
| 2249 | int be_id = ucontrol->value.integer.value[3]; |
| 2250 | struct msm_pcm_stream_app_type_cfg cfg_data = {0}; |
| 2251 | int ret = 0; |
| 2252 | |
| 2253 | cfg_data.app_type = ucontrol->value.integer.value[0]; |
| 2254 | cfg_data.acdb_dev_id = ucontrol->value.integer.value[1]; |
| 2255 | cfg_data.sample_rate = ucontrol->value.integer.value[2]; |
| 2256 | |
| 2257 | pr_debug("%s: fe_id- %llu session_type- %d be_id- %d app_type- %d acdb_dev_id- %d sample_rate- %d\n", |
| 2258 | __func__, fe_id, session_type, be_id, |
| 2259 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 2260 | ret = msm_pcm_routing_reg_stream_app_type_cfg(fe_id, session_type, |
| 2261 | be_id, &cfg_data); |
| 2262 | if (ret < 0) |
| 2263 | pr_err("%s: msm_pcm_routing_reg_stream_app_type_cfg failed returned %d\n", |
| 2264 | __func__, ret); |
| 2265 | |
| 2266 | return 0; |
| 2267 | } |
| 2268 | |
| 2269 | static int msm_lsm_app_type_cfg_ctl_get(struct snd_kcontrol *kcontrol, |
| 2270 | struct snd_ctl_elem_value *ucontrol) |
| 2271 | { |
| 2272 | u64 fe_id = kcontrol->private_value; |
| 2273 | int session_type = SESSION_TYPE_TX; |
| 2274 | int be_id = 0; |
| 2275 | struct msm_pcm_stream_app_type_cfg cfg_data = {0}; |
| 2276 | int ret = 0; |
| 2277 | |
| 2278 | ret = msm_pcm_routing_get_stream_app_type_cfg(fe_id, session_type, |
| 2279 | &be_id, &cfg_data); |
| 2280 | if (ret < 0) { |
| 2281 | pr_err("%s: msm_pcm_routing_get_stream_app_type_cfg failed returned %d\n", |
| 2282 | __func__, ret); |
| 2283 | goto done; |
| 2284 | } |
| 2285 | |
| 2286 | ucontrol->value.integer.value[0] = cfg_data.app_type; |
| 2287 | ucontrol->value.integer.value[1] = cfg_data.acdb_dev_id; |
| 2288 | ucontrol->value.integer.value[2] = cfg_data.sample_rate; |
| 2289 | ucontrol->value.integer.value[3] = be_id; |
| 2290 | pr_debug("%s: fedai_id %llu, session_type %d, be_id %d, app_type %d, acdb_dev_id %d, sample_rate %d\n", |
| 2291 | __func__, fe_id, session_type, be_id, |
| 2292 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 2293 | done: |
| 2294 | return ret; |
| 2295 | } |
| 2296 | |
| 2297 | static int msm_lsm_add_app_type_controls(struct snd_soc_pcm_runtime *rtd) |
| 2298 | { |
| 2299 | struct snd_pcm *pcm = rtd->pcm; |
| 2300 | struct snd_pcm_usr *app_type_info; |
| 2301 | struct snd_kcontrol *kctl; |
| 2302 | const char *mixer_ctl_name = "Listen Stream"; |
| 2303 | const char *deviceNo = "NN"; |
| 2304 | const char *suffix = "App Type Cfg"; |
| 2305 | int ctl_len, ret = 0; |
| 2306 | |
| 2307 | ctl_len = strlen(mixer_ctl_name) + 1 + |
| 2308 | strlen(deviceNo) + 1 + strlen(suffix) + 1; |
| 2309 | pr_debug("%s: Listen app type cntrl add\n", __func__); |
| 2310 | ret = snd_pcm_add_usr_ctls(pcm, SNDRV_PCM_STREAM_CAPTURE, |
| 2311 | NULL, 1, ctl_len, rtd->dai_link->id, |
| 2312 | &app_type_info); |
| 2313 | if (ret < 0) { |
| 2314 | pr_err("%s: Listen app type cntrl add failed: %d\n", |
| 2315 | __func__, ret); |
| 2316 | return ret; |
| 2317 | } |
| 2318 | kctl = app_type_info->kctl; |
| 2319 | snprintf(kctl->id.name, ctl_len, "%s %d %s", |
| 2320 | mixer_ctl_name, rtd->pcm->device, suffix); |
| 2321 | kctl->put = msm_lsm_app_type_cfg_ctl_put; |
| 2322 | kctl->get = msm_lsm_app_type_cfg_ctl_get; |
| 2323 | return 0; |
| 2324 | } |
| 2325 | |
| 2326 | static int msm_lsm_add_controls(struct snd_soc_pcm_runtime *rtd) |
| 2327 | { |
| 2328 | int ret = 0; |
| 2329 | |
| 2330 | ret = msm_lsm_add_app_type_controls(rtd); |
| 2331 | if (ret) |
| 2332 | pr_err("%s, add app type controls failed:%d\n", __func__, ret); |
| 2333 | |
| 2334 | return ret; |
| 2335 | } |
| 2336 | |
| 2337 | static const struct snd_pcm_ops msm_lsm_ops = { |
| 2338 | .open = msm_lsm_open, |
| 2339 | .close = msm_lsm_close, |
| 2340 | .ioctl = msm_lsm_ioctl, |
| 2341 | .prepare = msm_lsm_prepare, |
| 2342 | .compat_ioctl = msm_lsm_ioctl_compat, |
| 2343 | .hw_params = msm_lsm_hw_params, |
| 2344 | .copy = msm_lsm_pcm_copy, |
| 2345 | .pointer = msm_lsm_pcm_pointer, |
| 2346 | }; |
| 2347 | |
| 2348 | static int msm_asoc_lsm_new(struct snd_soc_pcm_runtime *rtd) |
| 2349 | { |
| 2350 | struct snd_card *card = rtd->card->snd_card; |
| 2351 | int ret = 0; |
| 2352 | |
| 2353 | if (!card->dev->coherent_dma_mask) |
| 2354 | card->dev->coherent_dma_mask = DMA_BIT_MASK(32); |
| 2355 | |
| 2356 | ret = msm_lsm_add_controls(rtd); |
| 2357 | if (ret) |
| 2358 | pr_err("%s, kctl add failed:%d\n", __func__, ret); |
| 2359 | |
| 2360 | return ret; |
| 2361 | } |
| 2362 | |
| 2363 | static int msm_asoc_lsm_probe(struct snd_soc_platform *platform) |
| 2364 | { |
| 2365 | pr_debug("enter %s\n", __func__); |
| 2366 | |
| 2367 | return 0; |
| 2368 | } |
| 2369 | |
| 2370 | static struct snd_soc_platform_driver msm_soc_platform = { |
| 2371 | .ops = &msm_lsm_ops, |
| 2372 | .pcm_new = msm_asoc_lsm_new, |
| 2373 | .probe = msm_asoc_lsm_probe, |
| 2374 | }; |
| 2375 | |
| 2376 | static int msm_lsm_probe(struct platform_device *pdev) |
| 2377 | { |
| 2378 | |
| 2379 | return snd_soc_register_platform(&pdev->dev, &msm_soc_platform); |
| 2380 | } |
| 2381 | |
| 2382 | static int msm_lsm_remove(struct platform_device *pdev) |
| 2383 | { |
| 2384 | snd_soc_unregister_platform(&pdev->dev); |
| 2385 | |
| 2386 | return 0; |
| 2387 | } |
| 2388 | |
| 2389 | static const struct of_device_id msm_lsm_client_dt_match[] = { |
| 2390 | {.compatible = "qcom,msm-lsm-client" }, |
| 2391 | { } |
| 2392 | }; |
| 2393 | |
| 2394 | static struct platform_driver msm_lsm_driver = { |
| 2395 | .driver = { |
| 2396 | .name = "msm-lsm-client", |
| 2397 | .owner = THIS_MODULE, |
| 2398 | .of_match_table = of_match_ptr(msm_lsm_client_dt_match), |
| 2399 | }, |
| 2400 | .probe = msm_lsm_probe, |
| 2401 | .remove = msm_lsm_remove, |
| 2402 | }; |
| 2403 | |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame] | 2404 | int __init msm_lsm_client_init(void) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2405 | { |
| 2406 | return platform_driver_register(&msm_lsm_driver); |
| 2407 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2408 | |
Asish Bhattacharya | 5faacb3 | 2017-12-04 17:23:15 +0530 | [diff] [blame] | 2409 | void msm_lsm_client_exit(void) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2410 | { |
| 2411 | platform_driver_unregister(&msm_lsm_driver); |
| 2412 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2413 | |
| 2414 | MODULE_DESCRIPTION("LSM client platform driver"); |
| 2415 | MODULE_DEVICE_TABLE(of, msm_lsm_client_dt_match); |
| 2416 | MODULE_LICENSE("GPL v2"); |