Sidipotu Ashok | 5c6855b | 2019-01-08 15:58:37 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved. |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/err.h> |
| 16 | #include <linux/module.h> |
| 17 | #include <linux/moduleparam.h> |
| 18 | #include <linux/time.h> |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 19 | #include <linux/mutex.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 20 | #include <linux/wait.h> |
| 21 | #include <linux/platform_device.h> |
| 22 | #include <linux/slab.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/initval.h> |
| 28 | #include <sound/control.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 29 | #include <sound/timer.h> |
| 30 | #include <asm/dma.h> |
| 31 | #include <linux/dma-mapping.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 32 | #include <linux/msm_audio.h> |
| 33 | |
| 34 | #include <linux/of_device.h> |
| 35 | #include <sound/tlv.h> |
| 36 | #include <sound/pcm_params.h> |
Laxminath Kasam | 605b42f | 2017-08-01 22:02:15 +0530 | [diff] [blame] | 37 | #include <dsp/msm_audio_ion.h> |
| 38 | #include <dsp/q6audio-v2.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 39 | |
| 40 | #include "msm-pcm-q6-v2.h" |
| 41 | #include "msm-pcm-routing-v2.h" |
| 42 | #include "msm-qti-pp-config.h" |
| 43 | |
| 44 | enum stream_state { |
| 45 | IDLE = 0, |
| 46 | STOPPED, |
| 47 | RUNNING, |
| 48 | }; |
| 49 | |
| 50 | static struct audio_locks the_locks; |
| 51 | |
| 52 | #define PCM_MASTER_VOL_MAX_STEPS 0x2000 |
| 53 | static const DECLARE_TLV_DB_LINEAR(msm_pcm_vol_gain, 0, |
| 54 | PCM_MASTER_VOL_MAX_STEPS); |
| 55 | |
| 56 | struct snd_msm { |
| 57 | struct snd_card *card; |
| 58 | struct snd_pcm *pcm; |
| 59 | }; |
| 60 | |
| 61 | #define CMD_EOS_MIN_TIMEOUT_LENGTH 50 |
| 62 | #define CMD_EOS_TIMEOUT_MULTIPLIER (HZ * 50) |
| 63 | #define MAX_PB_COPY_RETRIES 3 |
| 64 | |
| 65 | static struct snd_pcm_hardware msm_pcm_hardware_capture = { |
| 66 | .info = (SNDRV_PCM_INFO_MMAP | |
| 67 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 68 | SNDRV_PCM_INFO_MMAP_VALID | |
| 69 | SNDRV_PCM_INFO_INTERLEAVED | |
| 70 | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME), |
| 71 | .formats = (SNDRV_PCM_FMTBIT_S16_LE | |
| 72 | SNDRV_PCM_FMTBIT_S24_LE | |
| 73 | SNDRV_PCM_FMTBIT_S24_3LE | |
| 74 | SNDRV_PCM_FMTBIT_S32_LE), |
| 75 | .rates = SNDRV_PCM_RATE_8000_384000, |
| 76 | .rate_min = 8000, |
| 77 | .rate_max = 384000, |
| 78 | .channels_min = 1, |
Soumya Managoli | 760f148 | 2019-05-14 16:41:53 +0530 | [diff] [blame] | 79 | .channels_max = 8, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 80 | .buffer_bytes_max = CAPTURE_MAX_NUM_PERIODS * |
| 81 | CAPTURE_MAX_PERIOD_SIZE, |
| 82 | .period_bytes_min = CAPTURE_MIN_PERIOD_SIZE, |
| 83 | .period_bytes_max = CAPTURE_MAX_PERIOD_SIZE, |
| 84 | .periods_min = CAPTURE_MIN_NUM_PERIODS, |
| 85 | .periods_max = CAPTURE_MAX_NUM_PERIODS, |
| 86 | .fifo_size = 0, |
| 87 | }; |
| 88 | |
| 89 | static struct snd_pcm_hardware msm_pcm_hardware_playback = { |
| 90 | .info = (SNDRV_PCM_INFO_MMAP | |
| 91 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 92 | SNDRV_PCM_INFO_MMAP_VALID | |
| 93 | SNDRV_PCM_INFO_INTERLEAVED | |
| 94 | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME), |
| 95 | .formats = (SNDRV_PCM_FMTBIT_S16_LE | |
| 96 | SNDRV_PCM_FMTBIT_S24_LE | |
| 97 | SNDRV_PCM_FMTBIT_S24_3LE | |
| 98 | SNDRV_PCM_FMTBIT_S32_LE), |
| 99 | .rates = SNDRV_PCM_RATE_8000_384000, |
| 100 | .rate_min = 8000, |
| 101 | .rate_max = 384000, |
| 102 | .channels_min = 1, |
| 103 | .channels_max = 8, |
| 104 | .buffer_bytes_max = PLAYBACK_MAX_NUM_PERIODS * |
| 105 | PLAYBACK_MAX_PERIOD_SIZE, |
| 106 | .period_bytes_min = PLAYBACK_MIN_PERIOD_SIZE, |
| 107 | .period_bytes_max = PLAYBACK_MAX_PERIOD_SIZE, |
| 108 | .periods_min = PLAYBACK_MIN_NUM_PERIODS, |
| 109 | .periods_max = PLAYBACK_MAX_NUM_PERIODS, |
| 110 | .fifo_size = 0, |
| 111 | }; |
| 112 | |
| 113 | /* Conventional and unconventional sample rate supported */ |
| 114 | static unsigned int supported_sample_rates[] = { |
| 115 | 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000, |
| 116 | 88200, 96000, 176400, 192000, 352800, 384000 |
| 117 | }; |
| 118 | |
| 119 | static struct snd_pcm_hw_constraint_list constraints_sample_rates = { |
| 120 | .count = ARRAY_SIZE(supported_sample_rates), |
| 121 | .list = supported_sample_rates, |
| 122 | .mask = 0, |
| 123 | }; |
| 124 | |
| 125 | static void msm_pcm_route_event_handler(enum msm_pcm_routing_event event, |
| 126 | void *priv_data) |
| 127 | { |
| 128 | struct msm_audio *prtd = priv_data; |
| 129 | |
| 130 | WARN_ON(!prtd); |
| 131 | |
| 132 | pr_debug("%s: event %x\n", __func__, event); |
| 133 | |
| 134 | switch (event) { |
| 135 | case MSM_PCM_RT_EVT_BUF_RECFG: |
| 136 | q6asm_cmd(prtd->audio_client, CMD_PAUSE); |
| 137 | q6asm_cmd(prtd->audio_client, CMD_FLUSH); |
| 138 | q6asm_run(prtd->audio_client, 0, 0, 0); |
| 139 | /* fallthrough */ |
| 140 | default: |
| 141 | break; |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | static void event_handler(uint32_t opcode, |
| 146 | uint32_t token, uint32_t *payload, void *priv) |
| 147 | { |
| 148 | struct msm_audio *prtd = priv; |
| 149 | struct snd_pcm_substream *substream = prtd->substream; |
| 150 | uint32_t *ptrmem = (uint32_t *)payload; |
| 151 | uint32_t idx = 0; |
| 152 | uint32_t size = 0; |
| 153 | uint8_t buf_index; |
| 154 | struct snd_soc_pcm_runtime *rtd; |
| 155 | int ret = 0; |
| 156 | |
| 157 | switch (opcode) { |
| 158 | case ASM_DATA_EVENT_WRITE_DONE_V2: { |
| 159 | pr_debug("ASM_DATA_EVENT_WRITE_DONE_V2\n"); |
| 160 | pr_debug("Buffer Consumed = 0x%08x\n", *ptrmem); |
| 161 | prtd->pcm_irq_pos += prtd->pcm_count; |
| 162 | if (atomic_read(&prtd->start)) |
| 163 | snd_pcm_period_elapsed(substream); |
| 164 | atomic_inc(&prtd->out_count); |
| 165 | wake_up(&the_locks.write_wait); |
| 166 | if (!atomic_read(&prtd->start)) |
| 167 | break; |
| 168 | if (!prtd->mmap_flag || prtd->reset_event) |
| 169 | break; |
| 170 | if (q6asm_is_cpu_buf_avail_nolock(IN, |
| 171 | prtd->audio_client, |
| 172 | &size, &idx)) { |
| 173 | pr_debug("%s:writing %d bytes of buffer to dsp 2\n", |
| 174 | __func__, prtd->pcm_count); |
| 175 | q6asm_write_nolock(prtd->audio_client, |
| 176 | prtd->pcm_count, 0, 0, NO_TIMESTAMP); |
| 177 | } |
| 178 | break; |
| 179 | } |
| 180 | case ASM_DATA_EVENT_RENDERED_EOS: |
| 181 | pr_debug("ASM_DATA_EVENT_RENDERED_EOS\n"); |
| 182 | clear_bit(CMD_EOS, &prtd->cmd_pending); |
| 183 | wake_up(&the_locks.eos_wait); |
| 184 | break; |
| 185 | case ASM_DATA_EVENT_READ_DONE_V2: { |
| 186 | pr_debug("ASM_DATA_EVENT_READ_DONE_V2\n"); |
| 187 | buf_index = q6asm_get_buf_index_from_token(token); |
Vignesh Kulothungan | 3817b18 | 2017-12-04 15:56:05 -0800 | [diff] [blame] | 188 | if (buf_index >= CAPTURE_MAX_NUM_PERIODS) { |
| 189 | pr_err("%s: buffer index %u is out of range.\n", |
| 190 | __func__, buf_index); |
| 191 | return; |
| 192 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 193 | pr_debug("%s: token=0x%08x buf_index=0x%08x\n", |
| 194 | __func__, token, buf_index); |
| 195 | prtd->in_frame_info[buf_index].size = payload[4]; |
| 196 | prtd->in_frame_info[buf_index].offset = payload[5]; |
| 197 | /* assume data size = 0 during flushing */ |
| 198 | if (prtd->in_frame_info[buf_index].size) { |
| 199 | prtd->pcm_irq_pos += |
| 200 | prtd->in_frame_info[buf_index].size; |
| 201 | pr_debug("pcm_irq_pos=%d\n", prtd->pcm_irq_pos); |
| 202 | if (atomic_read(&prtd->start)) |
| 203 | snd_pcm_period_elapsed(substream); |
| 204 | if (atomic_read(&prtd->in_count) <= prtd->periods) |
| 205 | atomic_inc(&prtd->in_count); |
| 206 | wake_up(&the_locks.read_wait); |
| 207 | if (prtd->mmap_flag && |
| 208 | q6asm_is_cpu_buf_avail_nolock(OUT, |
| 209 | prtd->audio_client, |
| 210 | &size, &idx) && |
| 211 | (substream->runtime->status->state == |
| 212 | SNDRV_PCM_STATE_RUNNING)) |
| 213 | q6asm_read_nolock(prtd->audio_client); |
| 214 | } else { |
| 215 | pr_debug("%s: reclaim flushed buf in_count %x\n", |
| 216 | __func__, atomic_read(&prtd->in_count)); |
| 217 | prtd->pcm_irq_pos += prtd->pcm_count; |
| 218 | if (prtd->mmap_flag) { |
| 219 | if (q6asm_is_cpu_buf_avail_nolock(OUT, |
| 220 | prtd->audio_client, |
| 221 | &size, &idx) && |
| 222 | (substream->runtime->status->state == |
| 223 | SNDRV_PCM_STATE_RUNNING)) |
| 224 | q6asm_read_nolock(prtd->audio_client); |
| 225 | } else { |
| 226 | atomic_inc(&prtd->in_count); |
| 227 | } |
| 228 | if (atomic_read(&prtd->in_count) == prtd->periods) { |
| 229 | pr_info("%s: reclaimed all bufs\n", __func__); |
| 230 | if (atomic_read(&prtd->start)) |
| 231 | snd_pcm_period_elapsed(substream); |
| 232 | wake_up(&the_locks.read_wait); |
| 233 | } |
| 234 | } |
| 235 | break; |
| 236 | } |
| 237 | case ASM_STREAM_PP_EVENT: |
| 238 | case ASM_STREAM_CMD_ENCDEC_EVENTS: { |
| 239 | pr_debug("%s: ASM_STREAM_EVENT (0x%x)\n", __func__, opcode); |
| 240 | if (!substream) { |
| 241 | pr_err("%s: substream is NULL.\n", __func__); |
| 242 | return; |
| 243 | } |
| 244 | |
| 245 | rtd = substream->private_data; |
| 246 | if (!rtd) { |
| 247 | pr_err("%s: rtd is NULL\n", __func__); |
| 248 | return; |
| 249 | } |
| 250 | |
| 251 | ret = msm_adsp_inform_mixer_ctl(rtd, payload); |
| 252 | if (ret) { |
| 253 | pr_err("%s: failed to inform mixer ctl. err = %d\n", |
| 254 | __func__, ret); |
| 255 | return; |
| 256 | } |
| 257 | |
| 258 | break; |
| 259 | } |
| 260 | case APR_BASIC_RSP_RESULT: { |
| 261 | switch (payload[0]) { |
| 262 | case ASM_SESSION_CMD_RUN_V2: |
| 263 | if (substream->stream |
| 264 | != SNDRV_PCM_STREAM_PLAYBACK) { |
| 265 | atomic_set(&prtd->start, 1); |
| 266 | break; |
| 267 | } |
| 268 | if (prtd->mmap_flag) { |
| 269 | pr_debug("%s:writing %d bytes of buffer to dsp\n", |
| 270 | __func__, |
| 271 | prtd->pcm_count); |
| 272 | q6asm_write_nolock(prtd->audio_client, |
| 273 | prtd->pcm_count, |
| 274 | 0, 0, NO_TIMESTAMP); |
| 275 | } else { |
| 276 | while (atomic_read(&prtd->out_needed)) { |
| 277 | pr_debug("%s:writing %d bytes of buffer to dsp\n", |
| 278 | __func__, |
| 279 | prtd->pcm_count); |
| 280 | q6asm_write_nolock(prtd->audio_client, |
| 281 | prtd->pcm_count, |
| 282 | 0, 0, NO_TIMESTAMP); |
| 283 | atomic_dec(&prtd->out_needed); |
| 284 | wake_up(&the_locks.write_wait); |
| 285 | }; |
| 286 | } |
| 287 | atomic_set(&prtd->start, 1); |
| 288 | break; |
| 289 | case ASM_STREAM_CMD_REGISTER_PP_EVENTS: |
| 290 | pr_debug("%s: ASM_STREAM_CMD_REGISTER_PP_EVENTS:", |
| 291 | __func__); |
| 292 | break; |
| 293 | default: |
| 294 | pr_debug("%s:Payload = [0x%x]stat[0x%x]\n", |
| 295 | __func__, payload[0], payload[1]); |
| 296 | break; |
| 297 | } |
| 298 | } |
| 299 | break; |
| 300 | case RESET_EVENTS: |
| 301 | pr_debug("%s RESET_EVENTS\n", __func__); |
| 302 | prtd->pcm_irq_pos += prtd->pcm_count; |
| 303 | atomic_inc(&prtd->out_count); |
| 304 | atomic_inc(&prtd->in_count); |
| 305 | prtd->reset_event = true; |
| 306 | if (atomic_read(&prtd->start)) |
| 307 | snd_pcm_period_elapsed(substream); |
| 308 | wake_up(&the_locks.eos_wait); |
| 309 | wake_up(&the_locks.write_wait); |
| 310 | wake_up(&the_locks.read_wait); |
| 311 | break; |
| 312 | default: |
| 313 | pr_debug("Not Supported Event opcode[0x%x]\n", opcode); |
| 314 | break; |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | static int msm_pcm_playback_prepare(struct snd_pcm_substream *substream) |
| 319 | { |
| 320 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 321 | struct snd_soc_pcm_runtime *soc_prtd = substream->private_data; |
| 322 | struct msm_audio *prtd = runtime->private_data; |
| 323 | struct msm_plat_data *pdata; |
| 324 | struct snd_pcm_hw_params *params; |
| 325 | int ret; |
| 326 | uint32_t fmt_type = FORMAT_LINEAR_PCM; |
| 327 | uint16_t bits_per_sample; |
| 328 | uint16_t sample_word_size; |
| 329 | |
| 330 | pdata = (struct msm_plat_data *) |
| 331 | dev_get_drvdata(soc_prtd->platform->dev); |
| 332 | if (!pdata) { |
| 333 | pr_err("%s: platform data not populated\n", __func__); |
| 334 | return -EINVAL; |
| 335 | } |
| 336 | if (!prtd || !prtd->audio_client) { |
| 337 | pr_err("%s: private data null or audio client freed\n", |
| 338 | __func__); |
| 339 | return -EINVAL; |
| 340 | } |
| 341 | params = &soc_prtd->dpcm[substream->stream].hw_params; |
| 342 | |
| 343 | pr_debug("%s\n", __func__); |
| 344 | prtd->pcm_size = snd_pcm_lib_buffer_bytes(substream); |
| 345 | prtd->pcm_count = snd_pcm_lib_period_bytes(substream); |
| 346 | prtd->pcm_irq_pos = 0; |
| 347 | /* rate and channels are sent to audio driver */ |
| 348 | prtd->samp_rate = runtime->rate; |
| 349 | prtd->channel_mode = runtime->channels; |
| 350 | if (prtd->enabled) |
| 351 | return 0; |
| 352 | |
| 353 | prtd->audio_client->perf_mode = pdata->perf_mode; |
| 354 | pr_debug("%s: perf: %x\n", __func__, pdata->perf_mode); |
| 355 | |
| 356 | switch (params_format(params)) { |
| 357 | case SNDRV_PCM_FORMAT_S32_LE: |
| 358 | bits_per_sample = 32; |
| 359 | sample_word_size = 32; |
| 360 | break; |
| 361 | case SNDRV_PCM_FORMAT_S24_LE: |
| 362 | bits_per_sample = 24; |
| 363 | sample_word_size = 32; |
| 364 | break; |
| 365 | case SNDRV_PCM_FORMAT_S24_3LE: |
| 366 | bits_per_sample = 24; |
| 367 | sample_word_size = 24; |
| 368 | break; |
| 369 | case SNDRV_PCM_FORMAT_S16_LE: |
| 370 | default: |
| 371 | bits_per_sample = 16; |
| 372 | sample_word_size = 16; |
| 373 | break; |
| 374 | } |
| 375 | if (prtd->compress_enable) { |
| 376 | fmt_type = FORMAT_GEN_COMPR; |
| 377 | pr_debug("%s: Compressed enabled!\n", __func__); |
| 378 | ret = q6asm_open_write_compressed(prtd->audio_client, fmt_type, |
| 379 | COMPRESSED_PASSTHROUGH_GEN); |
| 380 | if (ret < 0) { |
| 381 | pr_err("%s: q6asm_open_write_compressed failed (%d)\n", |
| 382 | __func__, ret); |
| 383 | q6asm_audio_client_free(prtd->audio_client); |
| 384 | prtd->audio_client = NULL; |
| 385 | return -ENOMEM; |
| 386 | } |
| 387 | } else { |
| 388 | ret = q6asm_open_write_v4(prtd->audio_client, |
| 389 | fmt_type, bits_per_sample); |
| 390 | |
| 391 | if (ret < 0) { |
| 392 | pr_err("%s: q6asm_open_write_v4 failed (%d)\n", |
| 393 | __func__, ret); |
| 394 | q6asm_audio_client_free(prtd->audio_client); |
| 395 | prtd->audio_client = NULL; |
| 396 | return -ENOMEM; |
| 397 | } |
| 398 | |
| 399 | ret = q6asm_send_cal(prtd->audio_client); |
| 400 | if (ret < 0) |
| 401 | pr_debug("%s : Send cal failed : %d", __func__, ret); |
| 402 | } |
| 403 | pr_debug("%s: session ID %d\n", __func__, |
| 404 | prtd->audio_client->session); |
| 405 | prtd->session_id = prtd->audio_client->session; |
| 406 | |
| 407 | if (prtd->compress_enable) { |
| 408 | ret = msm_pcm_routing_reg_phy_compr_stream( |
| 409 | soc_prtd->dai_link->id, |
| 410 | prtd->audio_client->perf_mode, |
| 411 | prtd->session_id, |
| 412 | SNDRV_PCM_STREAM_PLAYBACK, |
| 413 | COMPRESSED_PASSTHROUGH_GEN); |
| 414 | } else { |
| 415 | ret = msm_pcm_routing_reg_phy_stream(soc_prtd->dai_link->id, |
| 416 | prtd->audio_client->perf_mode, |
| 417 | prtd->session_id, substream->stream); |
| 418 | } |
| 419 | if (ret) { |
| 420 | pr_err("%s: stream reg failed ret:%d\n", __func__, ret); |
| 421 | return ret; |
| 422 | } |
| 423 | if (prtd->compress_enable) { |
| 424 | ret = q6asm_media_format_block_gen_compr( |
| 425 | prtd->audio_client, runtime->rate, |
| 426 | runtime->channels, !prtd->set_channel_map, |
| 427 | prtd->channel_map, bits_per_sample); |
| 428 | } else { |
| 429 | ret = q6asm_media_format_block_multi_ch_pcm_v4( |
| 430 | prtd->audio_client, runtime->rate, |
| 431 | runtime->channels, !prtd->set_channel_map, |
| 432 | prtd->channel_map, bits_per_sample, |
| 433 | sample_word_size, ASM_LITTLE_ENDIAN, |
| 434 | DEFAULT_QF); |
| 435 | } |
| 436 | if (ret < 0) |
| 437 | pr_info("%s: CMD Format block failed\n", __func__); |
| 438 | |
| 439 | atomic_set(&prtd->out_count, runtime->periods); |
| 440 | |
| 441 | prtd->enabled = 1; |
| 442 | prtd->cmd_pending = 0; |
| 443 | prtd->cmd_interrupt = 0; |
| 444 | |
| 445 | return 0; |
| 446 | } |
| 447 | |
| 448 | static int msm_pcm_capture_prepare(struct snd_pcm_substream *substream) |
| 449 | { |
| 450 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 451 | struct msm_audio *prtd = runtime->private_data; |
| 452 | struct snd_soc_pcm_runtime *soc_prtd = substream->private_data; |
| 453 | struct msm_plat_data *pdata; |
| 454 | struct snd_pcm_hw_params *params; |
| 455 | struct msm_pcm_routing_evt event; |
| 456 | int ret = 0; |
| 457 | int i = 0; |
| 458 | uint16_t bits_per_sample = 16; |
| 459 | uint16_t sample_word_size; |
| 460 | |
| 461 | pdata = (struct msm_plat_data *) |
| 462 | dev_get_drvdata(soc_prtd->platform->dev); |
| 463 | if (!pdata) { |
| 464 | pr_err("%s: platform data not populated\n", __func__); |
| 465 | return -EINVAL; |
| 466 | } |
| 467 | if (!prtd || !prtd->audio_client) { |
| 468 | pr_err("%s: private data null or audio client freed\n", |
| 469 | __func__); |
| 470 | return -EINVAL; |
| 471 | } |
| 472 | |
| 473 | if (prtd->enabled == IDLE) { |
| 474 | pr_debug("%s:perf_mode=%d periods=%d\n", __func__, |
| 475 | pdata->perf_mode, runtime->periods); |
| 476 | params = &soc_prtd->dpcm[substream->stream].hw_params; |
| 477 | if ((params_format(params) == SNDRV_PCM_FORMAT_S24_LE) || |
| 478 | (params_format(params) == SNDRV_PCM_FORMAT_S24_3LE)) |
| 479 | bits_per_sample = 24; |
| 480 | else if (params_format(params) == SNDRV_PCM_FORMAT_S32_LE) |
| 481 | bits_per_sample = 32; |
| 482 | |
| 483 | /* ULL mode is not supported in capture path */ |
| 484 | if (pdata->perf_mode == LEGACY_PCM_MODE) |
| 485 | prtd->audio_client->perf_mode = LEGACY_PCM_MODE; |
| 486 | else |
| 487 | prtd->audio_client->perf_mode = LOW_LATENCY_PCM_MODE; |
| 488 | |
| 489 | pr_debug("%s Opening %d-ch PCM read stream, perf_mode %d\n", |
| 490 | __func__, params_channels(params), |
| 491 | prtd->audio_client->perf_mode); |
| 492 | |
| 493 | ret = q6asm_open_read_v4(prtd->audio_client, FORMAT_LINEAR_PCM, |
| 494 | bits_per_sample, false); |
| 495 | if (ret < 0) { |
| 496 | pr_err("%s: q6asm_open_read failed\n", __func__); |
| 497 | q6asm_audio_client_free(prtd->audio_client); |
| 498 | prtd->audio_client = NULL; |
| 499 | return -ENOMEM; |
| 500 | } |
| 501 | |
| 502 | ret = q6asm_send_cal(prtd->audio_client); |
| 503 | if (ret < 0) |
| 504 | pr_debug("%s : Send cal failed : %d", __func__, ret); |
| 505 | |
| 506 | pr_debug("%s: session ID %d\n", |
| 507 | __func__, prtd->audio_client->session); |
| 508 | prtd->session_id = prtd->audio_client->session; |
| 509 | event.event_func = msm_pcm_route_event_handler; |
| 510 | event.priv_data = (void *) prtd; |
| 511 | ret = msm_pcm_routing_reg_phy_stream_v2( |
| 512 | soc_prtd->dai_link->id, |
| 513 | prtd->audio_client->perf_mode, |
| 514 | prtd->session_id, substream->stream, |
| 515 | event); |
| 516 | if (ret) { |
| 517 | pr_err("%s: stream reg failed ret:%d\n", __func__, ret); |
| 518 | return ret; |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | prtd->pcm_size = snd_pcm_lib_buffer_bytes(substream); |
| 523 | prtd->pcm_count = snd_pcm_lib_period_bytes(substream); |
| 524 | prtd->pcm_irq_pos = 0; |
| 525 | /* rate and channels are sent to audio driver */ |
| 526 | prtd->samp_rate = runtime->rate; |
| 527 | prtd->channel_mode = runtime->channels; |
| 528 | |
| 529 | if (prtd->enabled == IDLE || prtd->enabled == STOPPED) { |
| 530 | for (i = 0; i < runtime->periods; i++) |
| 531 | q6asm_read(prtd->audio_client); |
| 532 | prtd->periods = runtime->periods; |
| 533 | } |
| 534 | |
| 535 | if (prtd->enabled != IDLE) |
| 536 | return 0; |
| 537 | |
| 538 | switch (runtime->format) { |
| 539 | case SNDRV_PCM_FORMAT_S32_LE: |
| 540 | bits_per_sample = 32; |
| 541 | sample_word_size = 32; |
| 542 | break; |
| 543 | case SNDRV_PCM_FORMAT_S24_LE: |
| 544 | bits_per_sample = 24; |
| 545 | sample_word_size = 32; |
| 546 | break; |
| 547 | case SNDRV_PCM_FORMAT_S24_3LE: |
| 548 | bits_per_sample = 24; |
| 549 | sample_word_size = 24; |
| 550 | break; |
| 551 | case SNDRV_PCM_FORMAT_S16_LE: |
| 552 | default: |
| 553 | bits_per_sample = 16; |
| 554 | sample_word_size = 16; |
| 555 | break; |
| 556 | } |
| 557 | |
| 558 | pr_debug("%s: Samp_rate = %d Channel = %d bit width = %d, word size = %d\n", |
| 559 | __func__, prtd->samp_rate, prtd->channel_mode, |
| 560 | bits_per_sample, sample_word_size); |
| 561 | ret = q6asm_enc_cfg_blk_pcm_format_support_v4(prtd->audio_client, |
| 562 | prtd->samp_rate, |
| 563 | prtd->channel_mode, |
| 564 | bits_per_sample, |
| 565 | sample_word_size, |
| 566 | ASM_LITTLE_ENDIAN, |
| 567 | DEFAULT_QF); |
| 568 | if (ret < 0) |
| 569 | pr_debug("%s: cmd cfg pcm was block failed", __func__); |
| 570 | |
| 571 | prtd->enabled = RUNNING; |
| 572 | |
| 573 | return ret; |
| 574 | } |
| 575 | |
| 576 | static int msm_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
| 577 | { |
| 578 | int ret = 0; |
| 579 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 580 | struct msm_audio *prtd = runtime->private_data; |
| 581 | |
| 582 | switch (cmd) { |
| 583 | case SNDRV_PCM_TRIGGER_START: |
| 584 | case SNDRV_PCM_TRIGGER_RESUME: |
| 585 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 586 | pr_debug("%s: Trigger start\n", __func__); |
| 587 | ret = q6asm_run_nowait(prtd->audio_client, 0, 0, 0); |
| 588 | break; |
| 589 | case SNDRV_PCM_TRIGGER_STOP: |
| 590 | pr_debug("SNDRV_PCM_TRIGGER_STOP\n"); |
| 591 | atomic_set(&prtd->start, 0); |
| 592 | if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) { |
| 593 | prtd->enabled = STOPPED; |
| 594 | ret = q6asm_cmd_nowait(prtd->audio_client, CMD_PAUSE); |
Sidipotu Ashok | 5c6855b | 2019-01-08 15:58:37 +0530 | [diff] [blame] | 595 | if (!ret) |
| 596 | ret = q6asm_cmd_nowait(prtd->audio_client, |
| 597 | CMD_FLUSH); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 598 | break; |
| 599 | } |
| 600 | /* pending CMD_EOS isn't expected */ |
| 601 | WARN_ON_ONCE(test_bit(CMD_EOS, &prtd->cmd_pending)); |
| 602 | set_bit(CMD_EOS, &prtd->cmd_pending); |
| 603 | ret = q6asm_cmd_nowait(prtd->audio_client, CMD_EOS); |
| 604 | if (ret) |
| 605 | clear_bit(CMD_EOS, &prtd->cmd_pending); |
| 606 | break; |
| 607 | case SNDRV_PCM_TRIGGER_SUSPEND: |
| 608 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 609 | pr_debug("SNDRV_PCM_TRIGGER_PAUSE\n"); |
| 610 | ret = q6asm_cmd_nowait(prtd->audio_client, CMD_PAUSE); |
| 611 | atomic_set(&prtd->start, 0); |
| 612 | break; |
| 613 | default: |
| 614 | ret = -EINVAL; |
| 615 | break; |
| 616 | } |
| 617 | |
| 618 | return ret; |
| 619 | } |
| 620 | |
| 621 | static int msm_pcm_open(struct snd_pcm_substream *substream) |
| 622 | { |
| 623 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 624 | struct snd_soc_pcm_runtime *soc_prtd = substream->private_data; |
| 625 | struct msm_audio *prtd; |
Banajit Goswami | 616e68c | 2017-10-27 01:31:19 -0700 | [diff] [blame] | 626 | struct msm_plat_data *pdata; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 627 | int ret = 0; |
| 628 | |
Banajit Goswami | 616e68c | 2017-10-27 01:31:19 -0700 | [diff] [blame] | 629 | pdata = (struct msm_plat_data *) |
| 630 | dev_get_drvdata(soc_prtd->platform->dev); |
| 631 | if (!pdata) { |
| 632 | pr_err("%s: platform data not populated\n", __func__); |
| 633 | return -EINVAL; |
| 634 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 635 | prtd = kzalloc(sizeof(struct msm_audio), GFP_KERNEL); |
| 636 | if (prtd == NULL) |
| 637 | return -ENOMEM; |
| 638 | |
| 639 | prtd->substream = substream; |
| 640 | prtd->audio_client = q6asm_audio_client_alloc( |
| 641 | (app_cb)event_handler, prtd); |
| 642 | if (!prtd->audio_client) { |
| 643 | pr_info("%s: Could not allocate memory\n", __func__); |
| 644 | kfree(prtd); |
Vatsal Bucha | 321a744 | 2018-06-01 12:05:25 +0530 | [diff] [blame] | 645 | prtd = NULL; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 646 | return -ENOMEM; |
| 647 | } |
| 648 | |
| 649 | prtd->audio_client->dev = soc_prtd->platform->dev; |
| 650 | |
| 651 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 652 | runtime->hw = msm_pcm_hardware_playback; |
| 653 | |
| 654 | /* Capture path */ |
| 655 | else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) |
| 656 | runtime->hw = msm_pcm_hardware_capture; |
| 657 | else { |
| 658 | pr_err("Invalid Stream type %d\n", substream->stream); |
| 659 | return -EINVAL; |
| 660 | } |
| 661 | |
| 662 | ret = snd_pcm_hw_constraint_list(runtime, 0, |
| 663 | SNDRV_PCM_HW_PARAM_RATE, |
| 664 | &constraints_sample_rates); |
| 665 | if (ret < 0) |
| 666 | pr_info("snd_pcm_hw_constraint_list failed\n"); |
| 667 | /* Ensure that buffer size is a multiple of period size */ |
| 668 | ret = snd_pcm_hw_constraint_integer(runtime, |
| 669 | SNDRV_PCM_HW_PARAM_PERIODS); |
| 670 | if (ret < 0) |
| 671 | pr_info("snd_pcm_hw_constraint_integer failed\n"); |
| 672 | |
| 673 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| 674 | ret = snd_pcm_hw_constraint_minmax(runtime, |
| 675 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, |
| 676 | PLAYBACK_MIN_NUM_PERIODS * PLAYBACK_MIN_PERIOD_SIZE, |
| 677 | PLAYBACK_MAX_NUM_PERIODS * PLAYBACK_MAX_PERIOD_SIZE); |
| 678 | if (ret < 0) { |
| 679 | pr_err("constraint for buffer bytes min max ret = %d\n", |
| 680 | ret); |
| 681 | } |
| 682 | } |
| 683 | |
| 684 | if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { |
| 685 | ret = snd_pcm_hw_constraint_minmax(runtime, |
| 686 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, |
| 687 | CAPTURE_MIN_NUM_PERIODS * CAPTURE_MIN_PERIOD_SIZE, |
| 688 | CAPTURE_MAX_NUM_PERIODS * CAPTURE_MAX_PERIOD_SIZE); |
| 689 | if (ret < 0) { |
| 690 | pr_err("constraint for buffer bytes min max ret = %d\n", |
| 691 | ret); |
| 692 | } |
| 693 | } |
| 694 | ret = snd_pcm_hw_constraint_step(runtime, 0, |
| 695 | SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); |
| 696 | if (ret < 0) { |
| 697 | pr_err("constraint for period bytes step ret = %d\n", |
| 698 | ret); |
| 699 | } |
| 700 | ret = snd_pcm_hw_constraint_step(runtime, 0, |
| 701 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32); |
| 702 | if (ret < 0) { |
| 703 | pr_err("constraint for buffer bytes step ret = %d\n", |
| 704 | ret); |
| 705 | } |
| 706 | |
| 707 | prtd->enabled = IDLE; |
| 708 | prtd->dsp_cnt = 0; |
| 709 | prtd->set_channel_map = false; |
| 710 | prtd->reset_event = false; |
| 711 | runtime->private_data = prtd; |
| 712 | msm_adsp_init_mixer_ctl_pp_event_queue(soc_prtd); |
Banajit Goswami | 616e68c | 2017-10-27 01:31:19 -0700 | [diff] [blame] | 713 | /* Vote to update the Rx thread priority to RT Thread for playback */ |
| 714 | if ((substream->stream == SNDRV_PCM_STREAM_PLAYBACK) && |
| 715 | (pdata->perf_mode == LOW_LATENCY_PCM_MODE)) |
| 716 | apr_start_rx_rt(prtd->audio_client->apr); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 717 | |
| 718 | return 0; |
| 719 | } |
| 720 | |
| 721 | static int msm_pcm_playback_copy(struct snd_pcm_substream *substream, int a, |
| 722 | snd_pcm_uframes_t hwoff, void __user *buf, snd_pcm_uframes_t frames) |
| 723 | { |
| 724 | int ret = 0; |
| 725 | int fbytes = 0; |
| 726 | int xfer = 0; |
| 727 | char *bufptr = NULL; |
| 728 | void *data = NULL; |
| 729 | uint32_t idx = 0; |
| 730 | uint32_t size = 0; |
| 731 | uint32_t retries = 0; |
| 732 | |
| 733 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 734 | struct msm_audio *prtd = runtime->private_data; |
| 735 | |
| 736 | fbytes = frames_to_bytes(runtime, frames); |
| 737 | pr_debug("%s: prtd->out_count = %d\n", |
| 738 | __func__, atomic_read(&prtd->out_count)); |
| 739 | |
| 740 | while ((fbytes > 0) && (retries < MAX_PB_COPY_RETRIES)) { |
| 741 | if (prtd->reset_event) { |
| 742 | pr_err("%s: In SSR return ENETRESET before wait\n", |
| 743 | __func__); |
| 744 | return -ENETRESET; |
| 745 | } |
| 746 | |
| 747 | ret = wait_event_timeout(the_locks.write_wait, |
| 748 | (atomic_read(&prtd->out_count)), 5 * HZ); |
| 749 | if (!ret) { |
| 750 | pr_err("%s: wait_event_timeout failed\n", __func__); |
| 751 | ret = -ETIMEDOUT; |
| 752 | goto fail; |
| 753 | } |
| 754 | ret = 0; |
| 755 | |
| 756 | if (prtd->reset_event) { |
| 757 | pr_err("%s: In SSR return ENETRESET after wait\n", |
| 758 | __func__); |
| 759 | return -ENETRESET; |
| 760 | } |
| 761 | |
| 762 | if (!atomic_read(&prtd->out_count)) { |
| 763 | pr_err("%s: pcm stopped out_count 0\n", __func__); |
| 764 | return 0; |
| 765 | } |
| 766 | |
| 767 | data = q6asm_is_cpu_buf_avail(IN, prtd->audio_client, &size, |
| 768 | &idx); |
| 769 | if (data == NULL) { |
| 770 | retries++; |
| 771 | continue; |
| 772 | } else { |
| 773 | retries = 0; |
| 774 | } |
| 775 | |
| 776 | if (fbytes > size) |
| 777 | xfer = size; |
| 778 | else |
| 779 | xfer = fbytes; |
| 780 | |
| 781 | bufptr = data; |
| 782 | if (bufptr) { |
| 783 | pr_debug("%s:fbytes =%d: xfer=%d size=%d\n", |
| 784 | __func__, fbytes, xfer, size); |
| 785 | if (copy_from_user(bufptr, buf, xfer)) { |
| 786 | ret = -EFAULT; |
| 787 | pr_err("%s: copy_from_user failed\n", |
| 788 | __func__); |
| 789 | q6asm_cpu_buf_release(IN, prtd->audio_client); |
| 790 | goto fail; |
| 791 | } |
| 792 | buf += xfer; |
| 793 | fbytes -= xfer; |
| 794 | pr_debug("%s:fbytes = %d: xfer=%d\n", __func__, fbytes, |
| 795 | xfer); |
| 796 | if (atomic_read(&prtd->start)) { |
| 797 | pr_debug("%s:writing %d bytes of buffer to dsp\n", |
| 798 | __func__, xfer); |
| 799 | ret = q6asm_write(prtd->audio_client, xfer, |
| 800 | 0, 0, NO_TIMESTAMP); |
| 801 | if (ret < 0) { |
| 802 | ret = -EFAULT; |
| 803 | q6asm_cpu_buf_release(IN, |
| 804 | prtd->audio_client); |
| 805 | goto fail; |
| 806 | } |
| 807 | } else |
| 808 | atomic_inc(&prtd->out_needed); |
| 809 | atomic_dec(&prtd->out_count); |
| 810 | } |
| 811 | } |
| 812 | fail: |
| 813 | if (retries >= MAX_PB_COPY_RETRIES) |
| 814 | ret = -ENOMEM; |
| 815 | |
| 816 | return ret; |
| 817 | } |
| 818 | |
| 819 | static int msm_pcm_playback_close(struct snd_pcm_substream *substream) |
| 820 | { |
| 821 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 822 | struct snd_soc_pcm_runtime *soc_prtd = substream->private_data; |
| 823 | struct msm_audio *prtd = runtime->private_data; |
Banajit Goswami | 616e68c | 2017-10-27 01:31:19 -0700 | [diff] [blame] | 824 | struct msm_plat_data *pdata; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 825 | uint32_t timeout; |
| 826 | int dir = 0; |
| 827 | int ret = 0; |
| 828 | |
| 829 | pr_debug("%s: cmd_pending 0x%lx\n", __func__, prtd->cmd_pending); |
| 830 | |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 831 | pdata = (struct msm_plat_data *) |
| 832 | dev_get_drvdata(soc_prtd->platform->dev); |
| 833 | if (!pdata) { |
| 834 | pr_err("%s: platform data is NULL\n", __func__); |
| 835 | return -EINVAL; |
| 836 | } |
| 837 | |
| 838 | mutex_lock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 839 | if (prtd->audio_client) { |
| 840 | dir = IN; |
| 841 | |
Banajit Goswami | 616e68c | 2017-10-27 01:31:19 -0700 | [diff] [blame] | 842 | /* |
| 843 | * Unvote to downgrade the Rx thread priority from |
| 844 | * RT Thread for Low-Latency use case. |
| 845 | */ |
| 846 | pdata = (struct msm_plat_data *) |
| 847 | dev_get_drvdata(soc_prtd->platform->dev); |
| 848 | if (pdata) { |
| 849 | if (pdata->perf_mode == LOW_LATENCY_PCM_MODE) |
| 850 | apr_end_rx_rt(prtd->audio_client->apr); |
| 851 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 852 | /* determine timeout length */ |
| 853 | if (runtime->frame_bits == 0 || runtime->rate == 0) { |
| 854 | timeout = CMD_EOS_MIN_TIMEOUT_LENGTH; |
| 855 | } else { |
| 856 | timeout = (runtime->period_size * |
| 857 | CMD_EOS_TIMEOUT_MULTIPLIER) / |
| 858 | ((runtime->frame_bits / 8) * |
| 859 | runtime->rate); |
| 860 | if (timeout < CMD_EOS_MIN_TIMEOUT_LENGTH) |
| 861 | timeout = CMD_EOS_MIN_TIMEOUT_LENGTH; |
| 862 | } |
| 863 | pr_debug("%s: CMD_EOS timeout is %d\n", __func__, timeout); |
| 864 | |
| 865 | ret = wait_event_timeout(the_locks.eos_wait, |
| 866 | !test_bit(CMD_EOS, &prtd->cmd_pending), |
| 867 | timeout); |
| 868 | if (!ret) |
| 869 | pr_err("%s: CMD_EOS failed, cmd_pending 0x%lx\n", |
| 870 | __func__, prtd->cmd_pending); |
| 871 | q6asm_cmd(prtd->audio_client, CMD_CLOSE); |
| 872 | q6asm_audio_client_buf_free_contiguous(dir, |
| 873 | prtd->audio_client); |
| 874 | q6asm_audio_client_free(prtd->audio_client); |
| 875 | } |
| 876 | msm_pcm_routing_dereg_phy_stream(soc_prtd->dai_link->id, |
| 877 | SNDRV_PCM_STREAM_PLAYBACK); |
| 878 | msm_adsp_clean_mixer_ctl_pp_event_queue(soc_prtd); |
| 879 | kfree(prtd); |
| 880 | runtime->private_data = NULL; |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 881 | mutex_unlock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 882 | |
| 883 | return 0; |
| 884 | } |
| 885 | |
| 886 | static int msm_pcm_capture_copy(struct snd_pcm_substream *substream, |
| 887 | int channel, snd_pcm_uframes_t hwoff, void __user *buf, |
| 888 | snd_pcm_uframes_t frames) |
| 889 | { |
| 890 | int ret = 0; |
| 891 | int fbytes = 0; |
| 892 | int xfer; |
| 893 | char *bufptr; |
| 894 | void *data = NULL; |
Vignesh Kulothungan | 60630ed | 2019-05-22 11:53:08 -0700 | [diff] [blame] | 895 | uint32_t idx = 0; |
| 896 | uint32_t size = 0; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 897 | uint32_t offset = 0; |
| 898 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 899 | struct msm_audio *prtd = substream->runtime->private_data; |
| 900 | |
| 901 | |
| 902 | pr_debug("%s\n", __func__); |
| 903 | fbytes = frames_to_bytes(runtime, frames); |
| 904 | |
| 905 | pr_debug("appl_ptr %d\n", (int)runtime->control->appl_ptr); |
| 906 | pr_debug("hw_ptr %d\n", (int)runtime->status->hw_ptr); |
| 907 | pr_debug("avail_min %d\n", (int)runtime->control->avail_min); |
| 908 | |
| 909 | if (prtd->reset_event) { |
| 910 | pr_err("%s: In SSR return ENETRESET before wait\n", __func__); |
| 911 | return -ENETRESET; |
| 912 | } |
| 913 | ret = wait_event_timeout(the_locks.read_wait, |
| 914 | (atomic_read(&prtd->in_count)), 5 * HZ); |
| 915 | if (!ret) { |
| 916 | pr_debug("%s: wait_event_timeout failed\n", __func__); |
| 917 | goto fail; |
| 918 | } |
| 919 | if (prtd->reset_event) { |
| 920 | pr_err("%s: In SSR return ENETRESET after wait\n", __func__); |
| 921 | return -ENETRESET; |
| 922 | } |
| 923 | if (!atomic_read(&prtd->in_count)) { |
| 924 | pr_debug("%s: pcm stopped in_count 0\n", __func__); |
| 925 | return 0; |
| 926 | } |
| 927 | pr_debug("Checking if valid buffer is available...%pK\n", |
| 928 | data); |
| 929 | data = q6asm_is_cpu_buf_avail(OUT, prtd->audio_client, &size, &idx); |
| 930 | bufptr = data; |
| 931 | pr_debug("Size = %d\n", size); |
| 932 | pr_debug("fbytes = %d\n", fbytes); |
| 933 | pr_debug("idx = %d\n", idx); |
| 934 | if (bufptr) { |
| 935 | xfer = fbytes; |
| 936 | if (xfer > size) |
| 937 | xfer = size; |
| 938 | offset = prtd->in_frame_info[idx].offset; |
| 939 | pr_debug("Offset value = %d\n", offset); |
| 940 | if (copy_to_user(buf, bufptr+offset, xfer)) { |
| 941 | pr_err("Failed to copy buf to user\n"); |
| 942 | ret = -EFAULT; |
| 943 | q6asm_cpu_buf_release(OUT, prtd->audio_client); |
| 944 | goto fail; |
| 945 | } |
| 946 | fbytes -= xfer; |
| 947 | size -= xfer; |
| 948 | prtd->in_frame_info[idx].offset += xfer; |
| 949 | pr_debug("%s:fbytes = %d: size=%d: xfer=%d\n", |
| 950 | __func__, fbytes, size, xfer); |
| 951 | pr_debug(" Sending next buffer to dsp\n"); |
| 952 | memset(&prtd->in_frame_info[idx], 0, |
| 953 | sizeof(struct msm_audio_in_frame_info)); |
| 954 | atomic_dec(&prtd->in_count); |
| 955 | ret = q6asm_read(prtd->audio_client); |
| 956 | if (ret < 0) { |
| 957 | pr_err("q6asm read failed\n"); |
| 958 | ret = -EFAULT; |
| 959 | q6asm_cpu_buf_release(OUT, prtd->audio_client); |
| 960 | goto fail; |
| 961 | } |
| 962 | } else |
| 963 | pr_err("No valid buffer\n"); |
| 964 | |
| 965 | pr_debug("Returning from capture_copy... %d\n", ret); |
| 966 | fail: |
| 967 | return ret; |
| 968 | } |
| 969 | |
| 970 | static int msm_pcm_capture_close(struct snd_pcm_substream *substream) |
| 971 | { |
| 972 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 973 | struct snd_soc_pcm_runtime *soc_prtd = substream->private_data; |
| 974 | struct msm_audio *prtd = runtime->private_data; |
| 975 | int dir = OUT; |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 976 | struct msm_plat_data *pdata; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 977 | |
| 978 | pr_debug("%s\n", __func__); |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 979 | |
| 980 | pdata = (struct msm_plat_data *) |
| 981 | dev_get_drvdata(soc_prtd->platform->dev); |
| 982 | if (!pdata) { |
| 983 | pr_err("%s: platform data is NULL\n", __func__); |
| 984 | return -EINVAL; |
| 985 | } |
| 986 | |
| 987 | mutex_lock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 988 | if (prtd->audio_client) { |
| 989 | q6asm_cmd(prtd->audio_client, CMD_CLOSE); |
| 990 | q6asm_audio_client_buf_free_contiguous(dir, |
| 991 | prtd->audio_client); |
| 992 | q6asm_audio_client_free(prtd->audio_client); |
| 993 | } |
| 994 | |
| 995 | msm_pcm_routing_dereg_phy_stream(soc_prtd->dai_link->id, |
| 996 | SNDRV_PCM_STREAM_CAPTURE); |
| 997 | kfree(prtd); |
| 998 | runtime->private_data = NULL; |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 999 | mutex_unlock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1000 | |
| 1001 | return 0; |
| 1002 | } |
| 1003 | |
| 1004 | static int msm_pcm_copy(struct snd_pcm_substream *substream, int a, |
| 1005 | snd_pcm_uframes_t hwoff, void __user *buf, snd_pcm_uframes_t frames) |
| 1006 | { |
| 1007 | int ret = 0; |
| 1008 | |
| 1009 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 1010 | ret = msm_pcm_playback_copy(substream, a, hwoff, buf, frames); |
| 1011 | else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) |
| 1012 | ret = msm_pcm_capture_copy(substream, a, hwoff, buf, frames); |
| 1013 | return ret; |
| 1014 | } |
| 1015 | |
| 1016 | static int msm_pcm_close(struct snd_pcm_substream *substream) |
| 1017 | { |
| 1018 | int ret = 0; |
| 1019 | |
| 1020 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 1021 | ret = msm_pcm_playback_close(substream); |
| 1022 | else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) |
| 1023 | ret = msm_pcm_capture_close(substream); |
| 1024 | return ret; |
| 1025 | } |
| 1026 | |
| 1027 | static int msm_pcm_prepare(struct snd_pcm_substream *substream) |
| 1028 | { |
| 1029 | int ret = 0; |
| 1030 | |
| 1031 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 1032 | ret = msm_pcm_playback_prepare(substream); |
| 1033 | else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) |
| 1034 | ret = msm_pcm_capture_prepare(substream); |
| 1035 | return ret; |
| 1036 | } |
| 1037 | |
| 1038 | static snd_pcm_uframes_t msm_pcm_pointer(struct snd_pcm_substream *substream) |
| 1039 | { |
| 1040 | |
| 1041 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 1042 | struct msm_audio *prtd = runtime->private_data; |
| 1043 | |
| 1044 | if (prtd->pcm_irq_pos >= prtd->pcm_size) |
| 1045 | prtd->pcm_irq_pos = 0; |
| 1046 | |
| 1047 | pr_debug("pcm_irq_pos = %d\n", prtd->pcm_irq_pos); |
| 1048 | return bytes_to_frames(runtime, (prtd->pcm_irq_pos)); |
| 1049 | } |
| 1050 | |
| 1051 | static int msm_pcm_mmap(struct snd_pcm_substream *substream, |
| 1052 | struct vm_area_struct *vma) |
| 1053 | { |
| 1054 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 1055 | struct msm_audio *prtd = runtime->private_data; |
| 1056 | struct audio_client *ac = prtd->audio_client; |
| 1057 | struct audio_port_data *apd = ac->port; |
| 1058 | struct audio_buffer *ab; |
| 1059 | int dir = -1; |
| 1060 | |
| 1061 | prtd->mmap_flag = 1; |
| 1062 | |
| 1063 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 1064 | dir = IN; |
| 1065 | else |
| 1066 | dir = OUT; |
| 1067 | ab = &(apd[dir].buf[0]); |
| 1068 | |
| 1069 | return msm_audio_ion_mmap(ab, vma); |
| 1070 | } |
| 1071 | |
| 1072 | static int msm_pcm_hw_params(struct snd_pcm_substream *substream, |
| 1073 | struct snd_pcm_hw_params *params) |
| 1074 | { |
| 1075 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 1076 | struct msm_audio *prtd = runtime->private_data; |
| 1077 | struct snd_dma_buffer *dma_buf = &substream->dma_buffer; |
| 1078 | struct audio_buffer *buf; |
| 1079 | int dir, ret; |
| 1080 | |
| 1081 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 1082 | dir = IN; |
| 1083 | else |
| 1084 | dir = OUT; |
| 1085 | ret = q6asm_audio_client_buf_alloc_contiguous(dir, |
| 1086 | prtd->audio_client, |
| 1087 | (params_buffer_bytes(params) / params_periods(params)), |
| 1088 | params_periods(params)); |
| 1089 | if (ret < 0) { |
| 1090 | pr_err("Audio Start: Buffer Allocation failed rc = %d\n", |
| 1091 | ret); |
| 1092 | return -ENOMEM; |
| 1093 | } |
| 1094 | buf = prtd->audio_client->port[dir].buf; |
| 1095 | if (buf == NULL || buf[0].data == NULL) |
| 1096 | return -ENOMEM; |
| 1097 | |
| 1098 | pr_debug("%s:buf = %pK\n", __func__, buf); |
| 1099 | dma_buf->dev.type = SNDRV_DMA_TYPE_DEV; |
| 1100 | dma_buf->dev.dev = substream->pcm->card->dev; |
| 1101 | dma_buf->private_data = NULL; |
| 1102 | dma_buf->area = buf[0].data; |
| 1103 | dma_buf->addr = buf[0].phys; |
| 1104 | dma_buf->bytes = params_buffer_bytes(params); |
| 1105 | if (!dma_buf->area) |
| 1106 | return -ENOMEM; |
| 1107 | |
| 1108 | snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); |
| 1109 | return 0; |
| 1110 | } |
| 1111 | |
| 1112 | static const struct snd_pcm_ops msm_pcm_ops = { |
| 1113 | .open = msm_pcm_open, |
| 1114 | .copy = msm_pcm_copy, |
| 1115 | .hw_params = msm_pcm_hw_params, |
| 1116 | .close = msm_pcm_close, |
| 1117 | .ioctl = snd_pcm_lib_ioctl, |
| 1118 | .prepare = msm_pcm_prepare, |
| 1119 | .trigger = msm_pcm_trigger, |
| 1120 | .pointer = msm_pcm_pointer, |
| 1121 | .mmap = msm_pcm_mmap, |
| 1122 | }; |
| 1123 | |
| 1124 | static int msm_pcm_adsp_stream_cmd_put(struct snd_kcontrol *kcontrol, |
| 1125 | struct snd_ctl_elem_value *ucontrol) |
| 1126 | { |
| 1127 | struct snd_soc_component *pcm = snd_kcontrol_chip(kcontrol); |
| 1128 | struct snd_soc_platform *platform = snd_soc_component_to_platform(pcm); |
| 1129 | struct msm_plat_data *pdata = dev_get_drvdata(platform->dev); |
| 1130 | struct snd_pcm_substream *substream; |
| 1131 | struct msm_audio *prtd; |
| 1132 | int ret = 0; |
| 1133 | struct msm_adsp_event_data *event_data = NULL; |
Aditya Bavanari | 2e3341d | 2018-02-23 12:58:57 +0530 | [diff] [blame] | 1134 | uint64_t actual_payload_len = 0; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1135 | |
| 1136 | if (!pdata) { |
| 1137 | pr_err("%s pdata is NULL\n", __func__); |
Prasad Kumpatla | ade35f0 | 2019-10-15 15:06:44 +0530 | [diff] [blame] | 1138 | return -ENODEV; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1139 | } |
| 1140 | |
Prasad Kumpatla | ade35f0 | 2019-10-15 15:06:44 +0530 | [diff] [blame] | 1141 | mutex_lock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1142 | substream = pdata->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; |
| 1143 | if (!substream) { |
| 1144 | pr_err("%s substream not found\n", __func__); |
| 1145 | ret = -EINVAL; |
| 1146 | goto done; |
| 1147 | } |
| 1148 | |
| 1149 | if (!substream->runtime) { |
| 1150 | pr_err("%s substream runtime not found\n", __func__); |
| 1151 | ret = -EINVAL; |
| 1152 | goto done; |
| 1153 | } |
| 1154 | |
| 1155 | prtd = substream->runtime->private_data; |
Vatsal Bucha | 321a744 | 2018-06-01 12:05:25 +0530 | [diff] [blame] | 1156 | if (prtd == NULL) { |
| 1157 | pr_err("%s prtd is null.\n", __func__); |
| 1158 | ret = -EINVAL; |
| 1159 | goto done; |
| 1160 | } |
| 1161 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1162 | if (prtd->audio_client == NULL) { |
| 1163 | pr_err("%s prtd is null.\n", __func__); |
| 1164 | ret = -EINVAL; |
| 1165 | goto done; |
| 1166 | } |
| 1167 | |
| 1168 | event_data = (struct msm_adsp_event_data *)ucontrol->value.bytes.data; |
| 1169 | if ((event_data->event_type < ADSP_STREAM_PP_EVENT) || |
| 1170 | (event_data->event_type >= ADSP_STREAM_EVENT_MAX)) { |
| 1171 | pr_err("%s: invalid event_type=%d", |
| 1172 | __func__, event_data->event_type); |
| 1173 | ret = -EINVAL; |
| 1174 | goto done; |
| 1175 | } |
| 1176 | |
Aditya Bavanari | 2e3341d | 2018-02-23 12:58:57 +0530 | [diff] [blame] | 1177 | actual_payload_len = sizeof(struct msm_adsp_event_data) + |
| 1178 | event_data->payload_len; |
| 1179 | if (actual_payload_len >= U32_MAX) { |
| 1180 | pr_err("%s payload length 0x%X exceeds limit", |
| 1181 | __func__, event_data->payload_len); |
| 1182 | ret = -EINVAL; |
| 1183 | goto done; |
| 1184 | } |
| 1185 | |
Xiaojun Sang | ae3d886 | 2018-03-23 08:57:33 +0800 | [diff] [blame] | 1186 | if (event_data->payload_len > sizeof(ucontrol->value.bytes.data) |
| 1187 | - sizeof(struct msm_adsp_event_data)) { |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1188 | pr_err("%s param length=%d exceeds limit", |
| 1189 | __func__, event_data->payload_len); |
| 1190 | ret = -EINVAL; |
| 1191 | goto done; |
| 1192 | } |
| 1193 | |
| 1194 | ret = q6asm_send_stream_cmd(prtd->audio_client, event_data); |
| 1195 | if (ret < 0) |
| 1196 | pr_err("%s: failed to send stream event cmd, err = %d\n", |
| 1197 | __func__, ret); |
| 1198 | done: |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1199 | mutex_unlock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1200 | return ret; |
| 1201 | } |
| 1202 | |
| 1203 | static int msm_pcm_add_audio_adsp_stream_cmd_control( |
| 1204 | struct snd_soc_pcm_runtime *rtd) |
| 1205 | { |
| 1206 | const char *mixer_ctl_name = DSP_STREAM_CMD; |
| 1207 | const char *deviceNo = "NN"; |
| 1208 | char *mixer_str = NULL; |
| 1209 | int ctl_len = 0, ret = 0; |
| 1210 | struct snd_kcontrol_new fe_audio_adsp_stream_cmd_config_control[1] = { |
| 1211 | { |
| 1212 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1213 | .name = "?", |
| 1214 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 1215 | .info = msm_adsp_stream_cmd_info, |
| 1216 | .put = msm_pcm_adsp_stream_cmd_put, |
| 1217 | .private_value = 0, |
| 1218 | } |
| 1219 | }; |
| 1220 | |
| 1221 | if (!rtd) { |
| 1222 | pr_err("%s rtd is NULL\n", __func__); |
| 1223 | ret = -EINVAL; |
| 1224 | goto done; |
| 1225 | } |
| 1226 | |
| 1227 | ctl_len = strlen(mixer_ctl_name) + 1 + strlen(deviceNo) + 1; |
| 1228 | mixer_str = kzalloc(ctl_len, GFP_KERNEL); |
| 1229 | if (!mixer_str) { |
| 1230 | ret = -ENOMEM; |
| 1231 | goto done; |
| 1232 | } |
| 1233 | |
| 1234 | snprintf(mixer_str, ctl_len, "%s %d", mixer_ctl_name, rtd->pcm->device); |
| 1235 | fe_audio_adsp_stream_cmd_config_control[0].name = mixer_str; |
| 1236 | fe_audio_adsp_stream_cmd_config_control[0].private_value = |
| 1237 | rtd->dai_link->id; |
| 1238 | pr_debug("Registering new mixer ctl %s\n", mixer_str); |
| 1239 | ret = snd_soc_add_platform_controls(rtd->platform, |
| 1240 | fe_audio_adsp_stream_cmd_config_control, |
| 1241 | ARRAY_SIZE(fe_audio_adsp_stream_cmd_config_control)); |
| 1242 | if (ret < 0) |
| 1243 | pr_err("%s: failed add ctl %s. err = %d\n", |
| 1244 | __func__, mixer_str, ret); |
| 1245 | |
| 1246 | kfree(mixer_str); |
| 1247 | done: |
| 1248 | return ret; |
| 1249 | } |
| 1250 | |
| 1251 | static int msm_pcm_add_audio_adsp_stream_callback_control( |
| 1252 | struct snd_soc_pcm_runtime *rtd) |
| 1253 | { |
| 1254 | const char *mixer_ctl_name = DSP_STREAM_CALLBACK; |
| 1255 | const char *deviceNo = "NN"; |
| 1256 | char *mixer_str = NULL; |
| 1257 | int ctl_len = 0, ret = 0; |
| 1258 | struct snd_kcontrol *kctl; |
| 1259 | |
| 1260 | struct snd_kcontrol_new fe_audio_adsp_callback_config_control[1] = { |
| 1261 | { |
| 1262 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1263 | .name = "?", |
| 1264 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 1265 | .info = msm_adsp_stream_callback_info, |
| 1266 | .get = msm_adsp_stream_callback_get, |
| 1267 | .private_value = 0, |
| 1268 | } |
| 1269 | }; |
| 1270 | |
| 1271 | if (!rtd) { |
| 1272 | pr_err("%s NULL rtd\n", __func__); |
| 1273 | ret = -EINVAL; |
| 1274 | goto done; |
| 1275 | } |
| 1276 | |
| 1277 | pr_debug("%s: added new pcm FE with name %s, id %d, cpu dai %s, device no %d\n", |
| 1278 | __func__, rtd->dai_link->name, rtd->dai_link->id, |
| 1279 | rtd->dai_link->cpu_dai_name, rtd->pcm->device); |
| 1280 | ctl_len = strlen(mixer_ctl_name) + 1 + strlen(deviceNo) + 1; |
| 1281 | mixer_str = kzalloc(ctl_len, GFP_KERNEL); |
| 1282 | if (!mixer_str) { |
| 1283 | ret = -ENOMEM; |
| 1284 | goto done; |
| 1285 | } |
| 1286 | |
| 1287 | snprintf(mixer_str, ctl_len, "%s %d", mixer_ctl_name, rtd->pcm->device); |
| 1288 | fe_audio_adsp_callback_config_control[0].name = mixer_str; |
| 1289 | fe_audio_adsp_callback_config_control[0].private_value = |
| 1290 | rtd->dai_link->id; |
| 1291 | pr_debug("%s: Registering new mixer ctl %s\n", __func__, mixer_str); |
| 1292 | ret = snd_soc_add_platform_controls(rtd->platform, |
| 1293 | fe_audio_adsp_callback_config_control, |
| 1294 | ARRAY_SIZE(fe_audio_adsp_callback_config_control)); |
| 1295 | if (ret < 0) { |
| 1296 | pr_err("%s: failed to add ctl %s. err = %d\n", |
| 1297 | __func__, mixer_str, ret); |
| 1298 | ret = -EINVAL; |
| 1299 | goto free_mixer_str; |
| 1300 | } |
| 1301 | |
| 1302 | kctl = snd_soc_card_get_kcontrol(rtd->card, mixer_str); |
| 1303 | if (!kctl) { |
| 1304 | pr_err("%s: failed to get kctl %s.\n", __func__, mixer_str); |
| 1305 | ret = -EINVAL; |
| 1306 | goto free_mixer_str; |
| 1307 | } |
| 1308 | |
| 1309 | kctl->private_data = NULL; |
| 1310 | |
| 1311 | free_mixer_str: |
| 1312 | kfree(mixer_str); |
| 1313 | done: |
| 1314 | return ret; |
| 1315 | } |
| 1316 | |
| 1317 | static int msm_pcm_set_volume(struct msm_audio *prtd, uint32_t volume) |
| 1318 | { |
| 1319 | int rc = 0; |
| 1320 | |
| 1321 | if (prtd && prtd->audio_client) { |
| 1322 | pr_debug("%s: channels %d volume 0x%x\n", __func__, |
| 1323 | prtd->channel_mode, volume); |
| 1324 | rc = q6asm_set_volume(prtd->audio_client, volume); |
| 1325 | if (rc < 0) { |
| 1326 | pr_err("%s: Send Volume command failed rc=%d\n", |
| 1327 | __func__, rc); |
| 1328 | } |
| 1329 | } |
| 1330 | return rc; |
| 1331 | } |
| 1332 | |
| 1333 | static int msm_pcm_volume_ctl_get(struct snd_kcontrol *kcontrol, |
| 1334 | struct snd_ctl_elem_value *ucontrol) |
| 1335 | { |
| 1336 | struct snd_pcm_volume *vol = snd_kcontrol_chip(kcontrol); |
Prasad Kumpatla | ade35f0 | 2019-10-15 15:06:44 +0530 | [diff] [blame] | 1337 | struct msm_plat_data *pdata = NULL; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1338 | struct snd_pcm_substream *substream = |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 1339 | vol->pcm->streams[vol->stream].substream; |
Prasad Kumpatla | ade35f0 | 2019-10-15 15:06:44 +0530 | [diff] [blame] | 1340 | struct snd_soc_pcm_runtime *soc_prtd = NULL; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1341 | struct msm_audio *prtd; |
| 1342 | |
| 1343 | pr_debug("%s\n", __func__); |
| 1344 | if (!substream) { |
| 1345 | pr_err("%s substream not found\n", __func__); |
| 1346 | return -ENODEV; |
| 1347 | } |
Prasad Kumpatla | ade35f0 | 2019-10-15 15:06:44 +0530 | [diff] [blame] | 1348 | soc_prtd = substream->private_data; |
| 1349 | if (!substream->runtime || !soc_prtd) { |
| 1350 | pr_debug("%s substream runtime or private_data not found\n", |
| 1351 | __func__); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1352 | return 0; |
| 1353 | } |
Prasad Kumpatla | ade35f0 | 2019-10-15 15:06:44 +0530 | [diff] [blame] | 1354 | |
| 1355 | pdata = (struct msm_plat_data *) |
| 1356 | dev_get_drvdata(soc_prtd->platform->dev); |
| 1357 | if (!pdata) { |
| 1358 | pr_err("%s: pdata not found\n", __func__); |
| 1359 | return -ENODEV; |
| 1360 | } |
| 1361 | |
| 1362 | mutex_lock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1363 | prtd = substream->runtime->private_data; |
| 1364 | if (prtd) |
| 1365 | ucontrol->value.integer.value[0] = prtd->volume; |
Prasad Kumpatla | ade35f0 | 2019-10-15 15:06:44 +0530 | [diff] [blame] | 1366 | mutex_unlock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1367 | return 0; |
| 1368 | } |
| 1369 | |
| 1370 | static int msm_pcm_volume_ctl_put(struct snd_kcontrol *kcontrol, |
| 1371 | struct snd_ctl_elem_value *ucontrol) |
| 1372 | { |
| 1373 | int rc = 0; |
| 1374 | struct snd_pcm_volume *vol = snd_kcontrol_chip(kcontrol); |
| 1375 | struct snd_pcm_substream *substream = |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 1376 | vol->pcm->streams[vol->stream].substream; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1377 | struct msm_audio *prtd; |
| 1378 | int volume = ucontrol->value.integer.value[0]; |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1379 | struct msm_plat_data *pdata = NULL; |
| 1380 | struct snd_soc_pcm_runtime *soc_prtd = NULL; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1381 | |
| 1382 | pr_debug("%s: volume : 0x%x\n", __func__, volume); |
| 1383 | if (!substream) { |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1384 | pr_err("%s: substream not found\n", __func__); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1385 | return -ENODEV; |
| 1386 | } |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1387 | soc_prtd = substream->private_data; |
| 1388 | if (!substream->runtime || !soc_prtd) { |
| 1389 | pr_err("%s: substream runtime or private_data not found\n", |
| 1390 | __func__); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1391 | return 0; |
| 1392 | } |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1393 | |
| 1394 | pdata = (struct msm_plat_data *) |
| 1395 | dev_get_drvdata(soc_prtd->platform->dev); |
| 1396 | if (!pdata) { |
| 1397 | pr_err("%s: pdata not found\n", __func__); |
| 1398 | return -ENODEV; |
| 1399 | } |
| 1400 | |
| 1401 | mutex_lock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1402 | prtd = substream->runtime->private_data; |
| 1403 | if (prtd) { |
| 1404 | rc = msm_pcm_set_volume(prtd, volume); |
| 1405 | prtd->volume = volume; |
| 1406 | } |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1407 | mutex_unlock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1408 | return rc; |
| 1409 | } |
| 1410 | |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 1411 | static int msm_pcm_add_volume_control(struct snd_soc_pcm_runtime *rtd, |
| 1412 | int stream) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1413 | { |
| 1414 | int ret = 0; |
| 1415 | struct snd_pcm *pcm = rtd->pcm; |
| 1416 | struct snd_pcm_volume *volume_info; |
| 1417 | struct snd_kcontrol *kctl; |
| 1418 | |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 1419 | dev_dbg(rtd->dev, "%s, volume control add\n", __func__); |
| 1420 | ret = snd_pcm_add_volume_ctls(pcm, stream, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1421 | NULL, 1, rtd->dai_link->id, |
| 1422 | &volume_info); |
| 1423 | if (ret < 0) { |
| 1424 | pr_err("%s volume control failed ret %d\n", __func__, ret); |
| 1425 | return ret; |
| 1426 | } |
| 1427 | kctl = volume_info->kctl; |
| 1428 | kctl->put = msm_pcm_volume_ctl_put; |
| 1429 | kctl->get = msm_pcm_volume_ctl_get; |
| 1430 | kctl->tlv.p = msm_pcm_vol_gain; |
| 1431 | return 0; |
| 1432 | } |
| 1433 | |
| 1434 | static int msm_pcm_compress_ctl_info(struct snd_kcontrol *kcontrol, |
| 1435 | struct snd_ctl_elem_info *uinfo) |
| 1436 | { |
| 1437 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1438 | uinfo->count = 1; |
| 1439 | uinfo->value.integer.min = 0; |
| 1440 | uinfo->value.integer.max = 0x2000; |
| 1441 | return 0; |
| 1442 | } |
| 1443 | |
| 1444 | static int msm_pcm_compress_ctl_get(struct snd_kcontrol *kcontrol, |
| 1445 | struct snd_ctl_elem_value *ucontrol) |
| 1446 | { |
| 1447 | struct snd_soc_component *comp = snd_kcontrol_chip(kcontrol); |
| 1448 | struct snd_soc_platform *platform = snd_soc_component_to_platform(comp); |
| 1449 | struct msm_plat_data *pdata = dev_get_drvdata(platform->dev); |
| 1450 | struct snd_pcm_substream *substream; |
| 1451 | struct msm_audio *prtd; |
| 1452 | |
| 1453 | if (!pdata) { |
| 1454 | pr_err("%s pdata is NULL\n", __func__); |
| 1455 | return -ENODEV; |
| 1456 | } |
| 1457 | substream = pdata->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; |
| 1458 | if (!substream) { |
| 1459 | pr_err("%s substream not found\n", __func__); |
| 1460 | return -EINVAL; |
| 1461 | } |
| 1462 | if (!substream->runtime) { |
| 1463 | pr_err("%s substream runtime not found\n", __func__); |
| 1464 | return 0; |
| 1465 | } |
Prasad Kumpatla | ade35f0 | 2019-10-15 15:06:44 +0530 | [diff] [blame] | 1466 | mutex_lock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1467 | prtd = substream->runtime->private_data; |
| 1468 | if (prtd) |
| 1469 | ucontrol->value.integer.value[0] = prtd->compress_enable; |
Prasad Kumpatla | ade35f0 | 2019-10-15 15:06:44 +0530 | [diff] [blame] | 1470 | mutex_unlock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1471 | return 0; |
| 1472 | } |
| 1473 | |
| 1474 | static int msm_pcm_compress_ctl_put(struct snd_kcontrol *kcontrol, |
| 1475 | struct snd_ctl_elem_value *ucontrol) |
| 1476 | { |
| 1477 | int rc = 0; |
| 1478 | struct snd_soc_component *comp = snd_kcontrol_chip(kcontrol); |
| 1479 | struct snd_soc_platform *platform = snd_soc_component_to_platform(comp); |
| 1480 | struct msm_plat_data *pdata = dev_get_drvdata(platform->dev); |
| 1481 | struct snd_pcm_substream *substream; |
| 1482 | struct msm_audio *prtd; |
| 1483 | int compress = ucontrol->value.integer.value[0]; |
| 1484 | |
| 1485 | if (!pdata) { |
| 1486 | pr_err("%s pdata is NULL\n", __func__); |
| 1487 | return -ENODEV; |
| 1488 | } |
| 1489 | substream = pdata->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; |
| 1490 | pr_debug("%s: compress : 0x%x\n", __func__, compress); |
| 1491 | if (!substream) { |
| 1492 | pr_err("%s substream not found\n", __func__); |
| 1493 | return -EINVAL; |
| 1494 | } |
| 1495 | if (!substream->runtime) { |
| 1496 | pr_err("%s substream runtime not found\n", __func__); |
| 1497 | return 0; |
| 1498 | } |
Prasad Kumpatla | ade35f0 | 2019-10-15 15:06:44 +0530 | [diff] [blame] | 1499 | mutex_lock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1500 | prtd = substream->runtime->private_data; |
| 1501 | if (prtd) { |
| 1502 | pr_debug("%s: setting compress flag to 0x%x\n", |
| 1503 | __func__, compress); |
| 1504 | prtd->compress_enable = compress; |
| 1505 | } |
Prasad Kumpatla | ade35f0 | 2019-10-15 15:06:44 +0530 | [diff] [blame] | 1506 | mutex_unlock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1507 | return rc; |
| 1508 | } |
| 1509 | |
| 1510 | static int msm_pcm_add_compress_control(struct snd_soc_pcm_runtime *rtd) |
| 1511 | { |
| 1512 | const char *mixer_ctl_name = "Playback "; |
| 1513 | const char *mixer_ctl_end_name = " Compress"; |
| 1514 | const char *deviceNo = "NN"; |
| 1515 | char *mixer_str = NULL; |
| 1516 | int ctl_len; |
| 1517 | int ret = 0; |
| 1518 | struct msm_plat_data *pdata; |
| 1519 | struct snd_kcontrol_new pcm_compress_control[1] = { |
| 1520 | { |
| 1521 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1522 | .name = "?", |
| 1523 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 1524 | .info = msm_pcm_compress_ctl_info, |
| 1525 | .get = msm_pcm_compress_ctl_get, |
| 1526 | .put = msm_pcm_compress_ctl_put, |
| 1527 | .private_value = 0, |
| 1528 | } |
| 1529 | }; |
| 1530 | |
| 1531 | if (!rtd) { |
| 1532 | pr_err("%s: NULL rtd\n", __func__); |
| 1533 | return -EINVAL; |
| 1534 | } |
| 1535 | |
| 1536 | ctl_len = strlen(mixer_ctl_name) + strlen(deviceNo) + |
| 1537 | strlen(mixer_ctl_end_name) + 1; |
| 1538 | mixer_str = kzalloc(ctl_len, GFP_KERNEL); |
| 1539 | |
| 1540 | if (!mixer_str) |
| 1541 | return -ENOMEM; |
| 1542 | |
| 1543 | snprintf(mixer_str, ctl_len, "%s%d%s", mixer_ctl_name, |
| 1544 | rtd->pcm->device, mixer_ctl_end_name); |
| 1545 | |
| 1546 | pcm_compress_control[0].name = mixer_str; |
| 1547 | pcm_compress_control[0].private_value = rtd->dai_link->id; |
| 1548 | pr_debug("%s: Registering new mixer ctl %s\n", __func__, mixer_str); |
| 1549 | pdata = dev_get_drvdata(rtd->platform->dev); |
| 1550 | if (pdata) { |
| 1551 | if (!pdata->pcm) { |
| 1552 | pdata->pcm = rtd->pcm; |
| 1553 | snd_soc_add_platform_controls(rtd->platform, |
| 1554 | pcm_compress_control, |
| 1555 | ARRAY_SIZE |
| 1556 | (pcm_compress_control)); |
| 1557 | pr_debug("%s: add control success plt = %pK\n", |
| 1558 | __func__, rtd->platform); |
| 1559 | } |
| 1560 | } else { |
| 1561 | pr_err("%s: NULL pdata\n", __func__); |
| 1562 | ret = -EINVAL; |
| 1563 | } |
| 1564 | kfree(mixer_str); |
| 1565 | return ret; |
| 1566 | } |
| 1567 | |
| 1568 | static int msm_pcm_chmap_ctl_put(struct snd_kcontrol *kcontrol, |
| 1569 | struct snd_ctl_elem_value *ucontrol) |
| 1570 | { |
| 1571 | int i; |
| 1572 | struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); |
| 1573 | unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); |
| 1574 | struct snd_pcm_substream *substream; |
| 1575 | struct msm_audio *prtd; |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1576 | struct snd_soc_pcm_runtime *rtd = NULL; |
| 1577 | struct msm_plat_data *pdata = NULL; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1578 | |
| 1579 | pr_debug("%s", __func__); |
| 1580 | substream = snd_pcm_chmap_substream(info, idx); |
| 1581 | if (!substream) |
| 1582 | return -ENODEV; |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1583 | |
| 1584 | rtd = substream->private_data; |
| 1585 | if (rtd) { |
| 1586 | pdata = (struct msm_plat_data *) |
| 1587 | dev_get_drvdata(rtd->platform->dev); |
| 1588 | if (!pdata) { |
| 1589 | pr_err("%s: pdata not found\n", __func__); |
| 1590 | return -ENODEV; |
| 1591 | } |
| 1592 | } |
| 1593 | |
| 1594 | if (!substream->runtime || !rtd) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1595 | return 0; |
| 1596 | |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1597 | mutex_lock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1598 | prtd = substream->runtime->private_data; |
| 1599 | if (prtd) { |
| 1600 | prtd->set_channel_map = true; |
| 1601 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL; i++) |
| 1602 | prtd->channel_map[i] = |
| 1603 | (char)(ucontrol->value.integer.value[i]); |
| 1604 | } |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1605 | mutex_unlock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1606 | return 0; |
| 1607 | } |
| 1608 | |
| 1609 | static int msm_pcm_chmap_ctl_get(struct snd_kcontrol *kcontrol, |
| 1610 | struct snd_ctl_elem_value *ucontrol) |
| 1611 | { |
| 1612 | int i; |
| 1613 | struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); |
| 1614 | unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); |
| 1615 | struct snd_pcm_substream *substream; |
| 1616 | struct msm_audio *prtd; |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1617 | struct snd_soc_pcm_runtime *rtd = NULL; |
| 1618 | struct msm_plat_data *pdata = NULL; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1619 | |
| 1620 | pr_debug("%s", __func__); |
| 1621 | substream = snd_pcm_chmap_substream(info, idx); |
| 1622 | if (!substream) |
| 1623 | return -ENODEV; |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1624 | |
| 1625 | rtd = substream->private_data; |
| 1626 | if (rtd) { |
| 1627 | pdata = (struct msm_plat_data *) |
| 1628 | dev_get_drvdata(rtd->platform->dev); |
| 1629 | if (!pdata) { |
| 1630 | pr_err("%s: pdata not found\n", __func__); |
| 1631 | return -ENODEV; |
| 1632 | } |
| 1633 | } |
| 1634 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1635 | memset(ucontrol->value.integer.value, 0, |
| 1636 | sizeof(ucontrol->value.integer.value)); |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1637 | if (!substream->runtime || !rtd) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1638 | return 0; /* no channels set */ |
| 1639 | |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1640 | mutex_lock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1641 | prtd = substream->runtime->private_data; |
| 1642 | |
| 1643 | if (prtd && prtd->set_channel_map == true) { |
| 1644 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL; i++) |
| 1645 | ucontrol->value.integer.value[i] = |
| 1646 | (int)prtd->channel_map[i]; |
| 1647 | } else { |
| 1648 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL; i++) |
| 1649 | ucontrol->value.integer.value[i] = 0; |
| 1650 | } |
| 1651 | |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 1652 | mutex_unlock(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1653 | return 0; |
| 1654 | } |
| 1655 | |
| 1656 | static int msm_pcm_add_chmap_controls(struct snd_soc_pcm_runtime *rtd) |
| 1657 | { |
| 1658 | struct snd_pcm *pcm = rtd->pcm; |
| 1659 | struct snd_pcm_chmap *chmap_info; |
| 1660 | struct snd_kcontrol *kctl; |
| 1661 | char device_num[12]; |
| 1662 | int i, ret = 0; |
| 1663 | |
| 1664 | pr_debug("%s, Channel map cntrl add\n", __func__); |
| 1665 | ret = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, |
| 1666 | snd_pcm_std_chmaps, |
| 1667 | PCM_FORMAT_MAX_NUM_CHANNEL, 0, |
| 1668 | &chmap_info); |
| 1669 | if (ret < 0) { |
| 1670 | pr_err("%s, channel map cntrl add failed\n", __func__); |
| 1671 | return ret; |
| 1672 | } |
| 1673 | kctl = chmap_info->kctl; |
| 1674 | for (i = 0; i < kctl->count; i++) |
| 1675 | kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE; |
| 1676 | snprintf(device_num, sizeof(device_num), "%d", pcm->device); |
| 1677 | strlcat(kctl->id.name, device_num, sizeof(kctl->id.name)); |
| 1678 | pr_debug("%s, Overwriting channel map control name to: %s\n", |
| 1679 | __func__, kctl->id.name); |
| 1680 | kctl->put = msm_pcm_chmap_ctl_put; |
| 1681 | kctl->get = msm_pcm_chmap_ctl_get; |
| 1682 | return 0; |
| 1683 | } |
| 1684 | |
| 1685 | static int msm_pcm_playback_app_type_cfg_ctl_put(struct snd_kcontrol *kcontrol, |
| 1686 | struct snd_ctl_elem_value *ucontrol) |
| 1687 | { |
| 1688 | u64 fe_id = kcontrol->private_value; |
| 1689 | int session_type = SESSION_TYPE_RX; |
| 1690 | int be_id = ucontrol->value.integer.value[3]; |
| 1691 | struct msm_pcm_stream_app_type_cfg cfg_data = {0, 0, 48000}; |
| 1692 | int ret = 0; |
| 1693 | |
| 1694 | cfg_data.app_type = ucontrol->value.integer.value[0]; |
| 1695 | cfg_data.acdb_dev_id = ucontrol->value.integer.value[1]; |
| 1696 | if (ucontrol->value.integer.value[2] != 0) |
| 1697 | cfg_data.sample_rate = ucontrol->value.integer.value[2]; |
| 1698 | pr_debug("%s: fe_id- %llu session_type- %d be_id- %d app_type- %d acdb_dev_id- %d sample_rate- %d\n", |
| 1699 | __func__, fe_id, session_type, be_id, |
| 1700 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 1701 | ret = msm_pcm_routing_reg_stream_app_type_cfg(fe_id, session_type, |
| 1702 | be_id, &cfg_data); |
| 1703 | if (ret < 0) |
| 1704 | pr_err("%s: msm_pcm_routing_reg_stream_app_type_cfg failed returned %d\n", |
| 1705 | __func__, ret); |
| 1706 | |
| 1707 | return ret; |
| 1708 | } |
| 1709 | |
| 1710 | static int msm_pcm_playback_app_type_cfg_ctl_get(struct snd_kcontrol *kcontrol, |
| 1711 | struct snd_ctl_elem_value *ucontrol) |
| 1712 | { |
| 1713 | u64 fe_id = kcontrol->private_value; |
| 1714 | int session_type = SESSION_TYPE_RX; |
| 1715 | int be_id = 0; |
| 1716 | struct msm_pcm_stream_app_type_cfg cfg_data = {0}; |
| 1717 | int ret = 0; |
| 1718 | |
| 1719 | ret = msm_pcm_routing_get_stream_app_type_cfg(fe_id, session_type, |
| 1720 | &be_id, &cfg_data); |
| 1721 | if (ret < 0) { |
| 1722 | pr_err("%s: msm_pcm_routing_get_stream_app_type_cfg failed returned %d\n", |
| 1723 | __func__, ret); |
| 1724 | goto done; |
| 1725 | } |
| 1726 | |
| 1727 | ucontrol->value.integer.value[0] = cfg_data.app_type; |
| 1728 | ucontrol->value.integer.value[1] = cfg_data.acdb_dev_id; |
| 1729 | ucontrol->value.integer.value[2] = cfg_data.sample_rate; |
| 1730 | ucontrol->value.integer.value[3] = be_id; |
| 1731 | pr_debug("%s: fedai_id %llu, session_type %d, be_id %d, app_type %d, acdb_dev_id %d, sample_rate %d\n", |
| 1732 | __func__, fe_id, session_type, be_id, |
| 1733 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 1734 | done: |
| 1735 | return ret; |
| 1736 | } |
| 1737 | |
| 1738 | static int msm_pcm_capture_app_type_cfg_ctl_put(struct snd_kcontrol *kcontrol, |
| 1739 | struct snd_ctl_elem_value *ucontrol) |
| 1740 | { |
| 1741 | u64 fe_id = kcontrol->private_value; |
| 1742 | int session_type = SESSION_TYPE_TX; |
| 1743 | int be_id = ucontrol->value.integer.value[3]; |
| 1744 | struct msm_pcm_stream_app_type_cfg cfg_data = {0, 0, 48000}; |
| 1745 | int ret = 0; |
| 1746 | |
| 1747 | cfg_data.app_type = ucontrol->value.integer.value[0]; |
| 1748 | cfg_data.acdb_dev_id = ucontrol->value.integer.value[1]; |
| 1749 | if (ucontrol->value.integer.value[2] != 0) |
| 1750 | cfg_data.sample_rate = ucontrol->value.integer.value[2]; |
| 1751 | pr_debug("%s: fe_id- %llu session_type- %d be_id- %d app_type- %d acdb_dev_id- %d sample_rate- %d\n", |
| 1752 | __func__, fe_id, session_type, be_id, |
| 1753 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 1754 | ret = msm_pcm_routing_reg_stream_app_type_cfg(fe_id, session_type, |
| 1755 | be_id, &cfg_data); |
| 1756 | if (ret < 0) |
| 1757 | pr_err("%s: msm_pcm_routing_reg_stream_app_type_cfg failed returned %d\n", |
| 1758 | __func__, ret); |
| 1759 | |
| 1760 | return ret; |
| 1761 | } |
| 1762 | |
| 1763 | static int msm_pcm_capture_app_type_cfg_ctl_get(struct snd_kcontrol *kcontrol, |
| 1764 | struct snd_ctl_elem_value *ucontrol) |
| 1765 | { |
| 1766 | u64 fe_id = kcontrol->private_value; |
| 1767 | int session_type = SESSION_TYPE_TX; |
| 1768 | int be_id = 0; |
| 1769 | struct msm_pcm_stream_app_type_cfg cfg_data = {0}; |
| 1770 | int ret = 0; |
| 1771 | |
| 1772 | ret = msm_pcm_routing_get_stream_app_type_cfg(fe_id, session_type, |
| 1773 | &be_id, &cfg_data); |
| 1774 | if (ret < 0) { |
| 1775 | pr_err("%s: msm_pcm_routing_get_stream_app_type_cfg failed returned %d\n", |
| 1776 | __func__, ret); |
| 1777 | goto done; |
| 1778 | } |
| 1779 | |
| 1780 | ucontrol->value.integer.value[0] = cfg_data.app_type; |
| 1781 | ucontrol->value.integer.value[1] = cfg_data.acdb_dev_id; |
| 1782 | ucontrol->value.integer.value[2] = cfg_data.sample_rate; |
| 1783 | ucontrol->value.integer.value[3] = be_id; |
| 1784 | pr_debug("%s: fedai_id %llu, session_type %d, be_id %d, app_type %d, acdb_dev_id %d, sample_rate %d\n", |
| 1785 | __func__, fe_id, session_type, be_id, |
| 1786 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 1787 | done: |
| 1788 | return ret; |
| 1789 | } |
| 1790 | |
| 1791 | static int msm_pcm_add_app_type_controls(struct snd_soc_pcm_runtime *rtd) |
| 1792 | { |
| 1793 | struct snd_pcm *pcm = rtd->pcm; |
| 1794 | struct snd_pcm_usr *app_type_info; |
| 1795 | struct snd_kcontrol *kctl; |
| 1796 | const char *playback_mixer_ctl_name = "Audio Stream"; |
| 1797 | const char *capture_mixer_ctl_name = "Audio Stream Capture"; |
| 1798 | const char *deviceNo = "NN"; |
| 1799 | const char *suffix = "App Type Cfg"; |
| 1800 | int ctl_len, ret = 0; |
| 1801 | |
| 1802 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { |
| 1803 | ctl_len = strlen(playback_mixer_ctl_name) + 1 + |
| 1804 | strlen(deviceNo) + 1 + strlen(suffix) + 1; |
| 1805 | pr_debug("%s: Playback app type cntrl add\n", __func__); |
| 1806 | ret = snd_pcm_add_usr_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, |
| 1807 | NULL, 1, ctl_len, rtd->dai_link->id, |
| 1808 | &app_type_info); |
| 1809 | if (ret < 0) { |
| 1810 | pr_err("%s: playback app type cntrl add failed: %d\n", |
| 1811 | __func__, ret); |
| 1812 | return ret; |
| 1813 | } |
| 1814 | kctl = app_type_info->kctl; |
| 1815 | snprintf(kctl->id.name, ctl_len, "%s %d %s", |
| 1816 | playback_mixer_ctl_name, rtd->pcm->device, suffix); |
| 1817 | kctl->put = msm_pcm_playback_app_type_cfg_ctl_put; |
| 1818 | kctl->get = msm_pcm_playback_app_type_cfg_ctl_get; |
| 1819 | } |
| 1820 | |
| 1821 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { |
| 1822 | ctl_len = strlen(capture_mixer_ctl_name) + 1 + |
| 1823 | strlen(deviceNo) + 1 + strlen(suffix) + 1; |
| 1824 | pr_debug("%s: Capture app type cntrl add\n", __func__); |
| 1825 | ret = snd_pcm_add_usr_ctls(pcm, SNDRV_PCM_STREAM_CAPTURE, |
| 1826 | NULL, 1, ctl_len, rtd->dai_link->id, |
| 1827 | &app_type_info); |
| 1828 | if (ret < 0) { |
| 1829 | pr_err("%s: capture app type cntrl add failed: %d\n", |
| 1830 | __func__, ret); |
| 1831 | return ret; |
| 1832 | } |
| 1833 | kctl = app_type_info->kctl; |
| 1834 | snprintf(kctl->id.name, ctl_len, "%s %d %s", |
| 1835 | capture_mixer_ctl_name, rtd->pcm->device, suffix); |
| 1836 | kctl->put = msm_pcm_capture_app_type_cfg_ctl_put; |
| 1837 | kctl->get = msm_pcm_capture_app_type_cfg_ctl_get; |
| 1838 | } |
| 1839 | |
| 1840 | return 0; |
| 1841 | } |
| 1842 | |
Dhanalakshmi Siddani | 040e026 | 2018-11-26 23:01:26 +0530 | [diff] [blame] | 1843 | static int msm_pcm_chmix_cfg_ctl_info(struct snd_kcontrol *kcontrol, |
| 1844 | struct snd_ctl_elem_info *uinfo) |
| 1845 | { |
| 1846 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 1847 | uinfo->count = 128; |
| 1848 | uinfo->value.integer.min = 0; |
| 1849 | uinfo->value.integer.max = 0xFFFFFFFF; |
| 1850 | return 0; |
| 1851 | } |
| 1852 | |
| 1853 | static int msm_pcm_chmix_cfg_ctl_put(struct snd_kcontrol *kcontrol, |
| 1854 | struct snd_ctl_elem_value *ucontrol) |
| 1855 | { |
| 1856 | struct snd_soc_component *usr_info = snd_kcontrol_chip(kcontrol); |
| 1857 | struct snd_soc_platform *platform; |
| 1858 | struct msm_plat_data *pdata; |
| 1859 | struct snd_pcm_substream *substream; |
| 1860 | struct msm_audio *prtd; |
| 1861 | u64 fe_id = kcontrol->private_value; |
| 1862 | int ip_channel_cnt, op_channel_cnt; |
| 1863 | int i, index = 0, ret = 0; |
| 1864 | int ch_coeff[PCM_FORMAT_MAX_NUM_CHANNEL * PCM_FORMAT_MAX_NUM_CHANNEL]; |
| 1865 | bool use_default_chmap = true; |
| 1866 | char *ch_map = NULL; |
| 1867 | |
| 1868 | pr_debug("%s: fe_id- %llu\n", __func__, fe_id); |
| 1869 | if (fe_id >= MSM_FRONTEND_DAI_MAX) { |
| 1870 | pr_err("%s: Received out of bounds fe_id %llu\n", |
| 1871 | __func__, fe_id); |
| 1872 | ret = -EINVAL; |
| 1873 | goto done; |
| 1874 | } |
| 1875 | |
| 1876 | if (!usr_info) { |
| 1877 | pr_err("%s: usr_info is null\n", __func__); |
| 1878 | ret = -EINVAL; |
| 1879 | goto done; |
| 1880 | } |
| 1881 | platform = snd_soc_component_to_platform(usr_info); |
| 1882 | if (!platform) { |
| 1883 | pr_err("%s: platform is null\n", __func__); |
| 1884 | ret = -EINVAL; |
| 1885 | goto done; |
| 1886 | } |
| 1887 | pdata = dev_get_drvdata(platform->dev); |
| 1888 | if (!pdata) { |
| 1889 | pr_err("%s: pdata is null\n", __func__); |
| 1890 | ret = -EINVAL; |
| 1891 | goto done; |
| 1892 | } |
| 1893 | substream = pdata->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; |
| 1894 | |
| 1895 | if (!substream) { |
| 1896 | pr_err("%s substream not found\n", __func__); |
| 1897 | return -ENODEV; |
| 1898 | } |
| 1899 | if (!substream->runtime) { |
| 1900 | pr_err("%s substream runtime not found\n", __func__); |
| 1901 | ret = -EINVAL; |
| 1902 | goto done; |
| 1903 | } |
| 1904 | prtd = substream->runtime->private_data; |
| 1905 | if (!prtd) { |
| 1906 | pr_err("%s: stream inactive\n", __func__); |
| 1907 | ret = -EINVAL; |
| 1908 | goto done; |
| 1909 | } |
| 1910 | use_default_chmap = !prtd->set_channel_map; |
| 1911 | ch_map = prtd->channel_map; |
| 1912 | ip_channel_cnt = ucontrol->value.integer.value[index++]; |
| 1913 | op_channel_cnt = ucontrol->value.integer.value[index++]; |
| 1914 | /* |
| 1915 | * wght coeff of first out channel corresponding to each in channel |
| 1916 | * are sent followed by second out channel for each in channel etc. |
| 1917 | */ |
| 1918 | memset(ch_coeff, 0, sizeof(ch_coeff)); |
| 1919 | for (i = 0; i < op_channel_cnt * ip_channel_cnt; i++) { |
| 1920 | ch_coeff[i] = |
| 1921 | ucontrol->value.integer.value[index++]; |
| 1922 | } |
| 1923 | |
| 1924 | msm_pcm_routing_send_chmix_cfg(fe_id, ip_channel_cnt, op_channel_cnt, |
| 1925 | ch_coeff, SESSION_TYPE_RX, use_default_chmap, ch_map); |
| 1926 | done: |
| 1927 | return ret; |
| 1928 | } |
| 1929 | |
| 1930 | static int msm_pcm_chmix_cfg_ctl_get(struct snd_kcontrol *kcontrol, |
| 1931 | struct snd_ctl_elem_value *ucontrol) |
| 1932 | { |
| 1933 | return 0; |
| 1934 | } |
| 1935 | |
| 1936 | static int msm_pcm_add_chmix_cfg_controls(struct snd_soc_pcm_runtime *rtd) |
| 1937 | { |
| 1938 | const char *mixer_ctl_name = "Audio Stream"; |
| 1939 | const char *deviceNo = "NN"; |
| 1940 | const char *suffix = "Channel Mix Cfg"; |
| 1941 | char *mixer_str = NULL; |
| 1942 | int ctl_len = 0; |
| 1943 | struct msm_plat_data *pdata; |
| 1944 | struct snd_kcontrol_new chmix_cfg_controls[1] = { |
| 1945 | { |
| 1946 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 1947 | .name = "?", |
| 1948 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 1949 | .info = msm_pcm_chmix_cfg_ctl_info, |
| 1950 | .get = msm_pcm_chmix_cfg_ctl_get, |
| 1951 | .put = msm_pcm_chmix_cfg_ctl_put, |
| 1952 | .private_value = 0, |
| 1953 | } |
| 1954 | }; |
| 1955 | |
| 1956 | if (!rtd) { |
| 1957 | pr_err("%s: NULL rtd\n", __func__); |
| 1958 | return -EINVAL; |
| 1959 | } |
| 1960 | |
| 1961 | ctl_len = strlen(mixer_ctl_name) + 1 + |
| 1962 | strlen(deviceNo) + 1 + strlen(suffix) + 1; |
| 1963 | mixer_str = kzalloc(ctl_len, GFP_KERNEL); |
| 1964 | if (!mixer_str) |
| 1965 | return -ENOMEM; |
| 1966 | |
| 1967 | snprintf(mixer_str, ctl_len, "%s %d %s", |
| 1968 | mixer_ctl_name, rtd->pcm->device, suffix); |
| 1969 | chmix_cfg_controls[0].name = mixer_str; |
| 1970 | chmix_cfg_controls[0].private_value = rtd->dai_link->id; |
| 1971 | pr_debug("%s: Registering new mixer ctl %s\n", __func__, mixer_str); |
| 1972 | pdata = dev_get_drvdata(rtd->platform->dev); |
| 1973 | if (pdata) { |
| 1974 | if (!pdata->pcm) |
| 1975 | pdata->pcm = rtd->pcm; |
| 1976 | snd_soc_add_platform_controls(rtd->platform, |
| 1977 | chmix_cfg_controls, |
| 1978 | ARRAY_SIZE(chmix_cfg_controls)); |
| 1979 | } else { |
| 1980 | pr_err("%s: NULL pdata\n", __func__); |
| 1981 | return -EINVAL; |
| 1982 | } |
| 1983 | kfree(mixer_str); |
| 1984 | return 0; |
| 1985 | } |
| 1986 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1987 | static int msm_pcm_add_controls(struct snd_soc_pcm_runtime *rtd) |
| 1988 | { |
| 1989 | int ret = 0; |
| 1990 | |
| 1991 | pr_debug("%s\n", __func__); |
| 1992 | ret = msm_pcm_add_chmap_controls(rtd); |
| 1993 | if (ret) |
| 1994 | pr_err("%s: pcm add controls failed:%d\n", __func__, ret); |
| 1995 | ret = msm_pcm_add_app_type_controls(rtd); |
| 1996 | if (ret) |
| 1997 | pr_err("%s: pcm add app type controls failed:%d\n", |
| 1998 | __func__, ret); |
Dhanalakshmi Siddani | 040e026 | 2018-11-26 23:01:26 +0530 | [diff] [blame] | 1999 | ret = msm_pcm_add_chmix_cfg_controls(rtd); |
| 2000 | if (ret) |
| 2001 | pr_err("%s: add chmix cfg controls failed:%d\n", __func__, ret); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2002 | return ret; |
| 2003 | } |
| 2004 | |
| 2005 | static int msm_asoc_pcm_new(struct snd_soc_pcm_runtime *rtd) |
| 2006 | { |
| 2007 | struct snd_card *card = rtd->card->snd_card; |
| 2008 | int ret = 0; |
| 2009 | |
| 2010 | if (!card->dev->coherent_dma_mask) |
| 2011 | card->dev->coherent_dma_mask = DMA_BIT_MASK(32); |
| 2012 | |
| 2013 | ret = msm_pcm_add_controls(rtd); |
| 2014 | if (ret) { |
| 2015 | pr_err("%s, kctl add failed:%d\n", __func__, ret); |
| 2016 | return ret; |
| 2017 | } |
| 2018 | |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 2019 | ret = msm_pcm_add_volume_control(rtd, SNDRV_PCM_STREAM_PLAYBACK); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2020 | if (ret) |
| 2021 | pr_err("%s: Could not add pcm Volume Control %d\n", |
| 2022 | __func__, ret); |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 2023 | ret = msm_pcm_add_volume_control(rtd, SNDRV_PCM_STREAM_CAPTURE); |
| 2024 | if (ret) |
| 2025 | pr_err("%s: Could not add pcm Volume Control %d\n", |
| 2026 | __func__, ret); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2027 | ret = msm_pcm_add_compress_control(rtd); |
| 2028 | if (ret) |
| 2029 | pr_err("%s: Could not add pcm Compress Control %d\n", |
| 2030 | __func__, ret); |
| 2031 | |
| 2032 | ret = msm_pcm_add_audio_adsp_stream_cmd_control(rtd); |
| 2033 | if (ret) |
| 2034 | pr_err("%s: Could not add pcm ADSP Stream Cmd Control\n", |
| 2035 | __func__); |
| 2036 | |
| 2037 | ret = msm_pcm_add_audio_adsp_stream_callback_control(rtd); |
| 2038 | if (ret) |
| 2039 | pr_err("%s: Could not add pcm ADSP Stream Callback Control\n", |
| 2040 | __func__); |
| 2041 | |
| 2042 | return ret; |
| 2043 | } |
| 2044 | |
| 2045 | static snd_pcm_sframes_t msm_pcm_delay_blk(struct snd_pcm_substream *substream, |
| 2046 | struct snd_soc_dai *dai) |
| 2047 | { |
| 2048 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 2049 | struct msm_audio *prtd = runtime->private_data; |
| 2050 | struct audio_client *ac = prtd->audio_client; |
| 2051 | snd_pcm_sframes_t frames; |
| 2052 | int ret; |
| 2053 | |
| 2054 | ret = q6asm_get_path_delay(prtd->audio_client); |
| 2055 | if (ret) { |
| 2056 | pr_err("%s: get_path_delay failed, ret=%d\n", __func__, ret); |
| 2057 | return 0; |
| 2058 | } |
| 2059 | |
| 2060 | /* convert microseconds to frames */ |
| 2061 | frames = ac->path_delay / 1000 * runtime->rate / 1000; |
| 2062 | |
| 2063 | /* also convert the remainder from the initial division */ |
| 2064 | frames += ac->path_delay % 1000 * runtime->rate / 1000000; |
| 2065 | |
| 2066 | /* overcompensate for the loss of precision (empirical) */ |
| 2067 | frames += 2; |
| 2068 | |
| 2069 | return frames; |
| 2070 | } |
| 2071 | |
| 2072 | static struct snd_soc_platform_driver msm_soc_platform = { |
| 2073 | .ops = &msm_pcm_ops, |
| 2074 | .pcm_new = msm_asoc_pcm_new, |
| 2075 | .delay_blk = msm_pcm_delay_blk, |
| 2076 | }; |
| 2077 | |
| 2078 | static int msm_pcm_probe(struct platform_device *pdev) |
| 2079 | { |
| 2080 | int rc; |
| 2081 | int id; |
| 2082 | struct msm_plat_data *pdata; |
| 2083 | const char *latency_level; |
| 2084 | |
| 2085 | rc = of_property_read_u32(pdev->dev.of_node, |
| 2086 | "qcom,msm-pcm-dsp-id", &id); |
| 2087 | if (rc) { |
| 2088 | dev_err(&pdev->dev, "%s: qcom,msm-pcm-dsp-id missing in DT node\n", |
| 2089 | __func__); |
| 2090 | return rc; |
| 2091 | } |
| 2092 | |
| 2093 | pdata = kzalloc(sizeof(struct msm_plat_data), GFP_KERNEL); |
| 2094 | if (!pdata) |
| 2095 | return -ENOMEM; |
| 2096 | |
| 2097 | if (of_property_read_bool(pdev->dev.of_node, |
| 2098 | "qcom,msm-pcm-low-latency")) { |
| 2099 | |
| 2100 | pdata->perf_mode = LOW_LATENCY_PCM_MODE; |
| 2101 | rc = of_property_read_string(pdev->dev.of_node, |
| 2102 | "qcom,latency-level", &latency_level); |
| 2103 | if (!rc) { |
| 2104 | if (!strcmp(latency_level, "ultra")) |
| 2105 | pdata->perf_mode = ULTRA_LOW_LATENCY_PCM_MODE; |
| 2106 | else if (!strcmp(latency_level, "ull-pp")) |
| 2107 | pdata->perf_mode = |
| 2108 | ULL_POST_PROCESSING_PCM_MODE; |
| 2109 | } |
| 2110 | } else { |
| 2111 | pdata->perf_mode = LEGACY_PCM_MODE; |
| 2112 | } |
| 2113 | |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 2114 | mutex_init(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2115 | dev_set_drvdata(&pdev->dev, pdata); |
| 2116 | |
| 2117 | |
| 2118 | dev_dbg(&pdev->dev, "%s: dev name %s\n", |
| 2119 | __func__, dev_name(&pdev->dev)); |
| 2120 | return snd_soc_register_platform(&pdev->dev, |
| 2121 | &msm_soc_platform); |
| 2122 | } |
| 2123 | |
| 2124 | static int msm_pcm_remove(struct platform_device *pdev) |
| 2125 | { |
| 2126 | struct msm_plat_data *pdata; |
| 2127 | |
| 2128 | pdata = dev_get_drvdata(&pdev->dev); |
Ajit Pandey | 3d7b9a2 | 2019-09-05 16:26:01 +0530 | [diff] [blame] | 2129 | mutex_destroy(&pdata->lock); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2130 | kfree(pdata); |
| 2131 | snd_soc_unregister_platform(&pdev->dev); |
| 2132 | return 0; |
| 2133 | } |
| 2134 | static const struct of_device_id msm_pcm_dt_match[] = { |
| 2135 | {.compatible = "qcom,msm-pcm-dsp"}, |
| 2136 | {} |
| 2137 | }; |
| 2138 | MODULE_DEVICE_TABLE(of, msm_pcm_dt_match); |
| 2139 | |
| 2140 | static struct platform_driver msm_pcm_driver = { |
| 2141 | .driver = { |
| 2142 | .name = "msm-pcm-dsp", |
| 2143 | .owner = THIS_MODULE, |
| 2144 | .of_match_table = msm_pcm_dt_match, |
| 2145 | }, |
| 2146 | .probe = msm_pcm_probe, |
| 2147 | .remove = msm_pcm_remove, |
| 2148 | }; |
| 2149 | |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame] | 2150 | int __init msm_pcm_dsp_init(void) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2151 | { |
| 2152 | init_waitqueue_head(&the_locks.enable_wait); |
| 2153 | init_waitqueue_head(&the_locks.eos_wait); |
| 2154 | init_waitqueue_head(&the_locks.write_wait); |
| 2155 | init_waitqueue_head(&the_locks.read_wait); |
| 2156 | |
| 2157 | return platform_driver_register(&msm_pcm_driver); |
| 2158 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2159 | |
Asish Bhattacharya | 5faacb3 | 2017-12-04 17:23:15 +0530 | [diff] [blame] | 2160 | void msm_pcm_dsp_exit(void) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2161 | { |
| 2162 | platform_driver_unregister(&msm_pcm_driver); |
| 2163 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2164 | |
| 2165 | MODULE_DESCRIPTION("PCM module platform driver"); |
| 2166 | MODULE_LICENSE("GPL v2"); |