Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/err.h> |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/moduleparam.h> |
| 17 | #include <linux/time.h> |
| 18 | #include <linux/wait.h> |
| 19 | #include <linux/platform_device.h> |
| 20 | #include <linux/slab.h> |
| 21 | #include <linux/of_device.h> |
| 22 | #include <linux/dma-mapping.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 23 | |
| 24 | #include <sound/core.h> |
| 25 | #include <sound/soc.h> |
| 26 | #include <sound/soc-dapm.h> |
| 27 | #include <sound/pcm.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/timer.h> |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 31 | #include <sound/hwdep.h> |
| 32 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 33 | #include <asm/dma.h> |
| 34 | #include <sound/tlv.h> |
| 35 | #include <sound/pcm_params.h> |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 36 | #include <sound/devdep_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 | |
| 43 | #define PCM_MASTER_VOL_MAX_STEPS 0x2000 |
| 44 | static const DECLARE_TLV_DB_LINEAR(msm_pcm_vol_gain, 0, |
| 45 | PCM_MASTER_VOL_MAX_STEPS); |
| 46 | |
| 47 | struct snd_msm { |
| 48 | struct snd_card *card; |
| 49 | struct snd_pcm *pcm; |
| 50 | }; |
| 51 | |
| 52 | #define CMD_EOS_MIN_TIMEOUT_LENGTH 50 |
| 53 | #define CMD_EOS_TIMEOUT_MULTIPLIER (HZ * 50) |
| 54 | |
| 55 | #define ATRACE_END() \ |
| 56 | trace_printk("tracing_mark_write: E\n") |
| 57 | #define ATRACE_BEGIN(name) \ |
| 58 | trace_printk("tracing_mark_write: B|%d|%s\n", current->tgid, name) |
| 59 | #define ATRACE_FUNC() ATRACE_BEGIN(__func__) |
| 60 | #define ATRACE_INT(name, value) \ |
| 61 | trace_printk("tracing_mark_write: C|%d|%s|%d\n", \ |
| 62 | current->tgid, name, (int)(value)) |
| 63 | |
| 64 | #define SIO_PLAYBACK_MAX_PERIOD_SIZE PLAYBACK_MAX_PERIOD_SIZE |
| 65 | #define SIO_PLAYBACK_MIN_PERIOD_SIZE 48 |
| 66 | #define SIO_PLAYBACK_MAX_NUM_PERIODS 512 |
| 67 | #define SIO_PLAYBACK_MIN_NUM_PERIODS PLAYBACK_MIN_NUM_PERIODS |
| 68 | #define SIO_PLAYBACK_MIN_BYTES (SIO_PLAYBACK_MIN_NUM_PERIODS * \ |
| 69 | SIO_PLAYBACK_MIN_PERIOD_SIZE) |
| 70 | |
| 71 | #define SIO_PLAYBACK_MAX_BYTES ((SIO_PLAYBACK_MAX_NUM_PERIODS) * \ |
| 72 | (SIO_PLAYBACK_MAX_PERIOD_SIZE)) |
| 73 | |
| 74 | #define SIO_CAPTURE_MAX_PERIOD_SIZE CAPTURE_MAX_PERIOD_SIZE |
| 75 | #define SIO_CAPTURE_MIN_PERIOD_SIZE 48 |
| 76 | #define SIO_CAPTURE_MAX_NUM_PERIODS 512 |
| 77 | #define SIO_CAPTURE_MIN_NUM_PERIODS CAPTURE_MIN_NUM_PERIODS |
| 78 | |
| 79 | #define SIO_CAPTURE_MIN_BYTES (SIO_CAPTURE_MIN_NUM_PERIODS * \ |
| 80 | SIO_CAPTURE_MIN_PERIOD_SIZE) |
| 81 | |
| 82 | #define SIO_CAPTURE_MAX_BYTES (SIO_CAPTURE_MAX_NUM_PERIODS * \ |
| 83 | SIO_CAPTURE_MAX_PERIOD_SIZE) |
| 84 | |
| 85 | static struct snd_pcm_hardware msm_pcm_hardware_playback = { |
| 86 | .info = (SNDRV_PCM_INFO_MMAP | |
| 87 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 88 | SNDRV_PCM_INFO_MMAP_VALID | |
| 89 | SNDRV_PCM_INFO_INTERLEAVED | |
| 90 | SNDRV_PCM_INFO_NO_PERIOD_WAKEUP | |
| 91 | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME), |
| 92 | .formats = (SNDRV_PCM_FMTBIT_S16_LE | |
| 93 | SNDRV_PCM_FMTBIT_S24_LE | |
| 94 | SNDRV_PCM_FMTBIT_S24_3LE), |
| 95 | .rates = SNDRV_PCM_RATE_8000_192000, |
| 96 | .rate_min = 8000, |
| 97 | .rate_max = 192000, |
| 98 | .channels_min = 1, |
| 99 | .channels_max = 8, |
| 100 | .buffer_bytes_max = SIO_PLAYBACK_MAX_NUM_PERIODS * |
| 101 | SIO_PLAYBACK_MAX_PERIOD_SIZE, |
| 102 | .period_bytes_min = SIO_PLAYBACK_MIN_PERIOD_SIZE, |
| 103 | .period_bytes_max = SIO_PLAYBACK_MAX_PERIOD_SIZE, |
| 104 | .periods_min = SIO_PLAYBACK_MIN_NUM_PERIODS, |
| 105 | .periods_max = SIO_PLAYBACK_MAX_NUM_PERIODS, |
| 106 | .fifo_size = 0, |
| 107 | }; |
| 108 | |
| 109 | static struct snd_pcm_hardware msm_pcm_hardware_capture = { |
| 110 | .info = (SNDRV_PCM_INFO_MMAP | |
| 111 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 112 | SNDRV_PCM_INFO_MMAP_VALID | |
| 113 | SNDRV_PCM_INFO_INTERLEAVED | |
| 114 | SNDRV_PCM_INFO_NO_PERIOD_WAKEUP | |
| 115 | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME), |
| 116 | .formats = (SNDRV_PCM_FMTBIT_S16_LE | |
| 117 | SNDRV_PCM_FMTBIT_S24_LE | |
| 118 | SNDRV_PCM_FMTBIT_S24_3LE), |
| 119 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 120 | .rate_min = 8000, |
| 121 | .rate_max = 48000, |
| 122 | .channels_min = 1, |
| 123 | .channels_max = 4, |
| 124 | .buffer_bytes_max = SIO_CAPTURE_MAX_NUM_PERIODS * |
| 125 | SIO_CAPTURE_MAX_PERIOD_SIZE, |
| 126 | .period_bytes_min = SIO_CAPTURE_MIN_PERIOD_SIZE, |
| 127 | .period_bytes_max = SIO_CAPTURE_MAX_PERIOD_SIZE, |
| 128 | .periods_min = SIO_CAPTURE_MIN_NUM_PERIODS, |
| 129 | .periods_max = SIO_CAPTURE_MAX_NUM_PERIODS, |
| 130 | .fifo_size = 0, |
| 131 | }; |
| 132 | |
| 133 | /* Conventional and unconventional sample rate supported */ |
| 134 | static unsigned int supported_sample_rates[] = { |
| 135 | 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000, |
| 136 | 88200, 96000, 176400, 192000 |
| 137 | }; |
| 138 | |
| 139 | static struct snd_pcm_hw_constraint_list constraints_sample_rates = { |
| 140 | .count = ARRAY_SIZE(supported_sample_rates), |
| 141 | .list = supported_sample_rates, |
| 142 | .mask = 0, |
| 143 | }; |
| 144 | |
| 145 | static unsigned long msm_pcm_fe_topology[MSM_FRONTEND_DAI_MAX]; |
| 146 | |
| 147 | /* default value is DTS (i.e read from device tree) */ |
| 148 | static char const *msm_pcm_fe_topology_text[] = { |
| 149 | "DTS", "ULL", "ULL_PP", "LL" }; |
| 150 | |
| 151 | static const struct soc_enum msm_pcm_fe_topology_enum[] = { |
| 152 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(msm_pcm_fe_topology_text), |
| 153 | msm_pcm_fe_topology_text), |
| 154 | }; |
| 155 | |
| 156 | static void event_handler(uint32_t opcode, |
| 157 | uint32_t token, uint32_t *payload, void *priv) |
| 158 | { |
| 159 | uint32_t *ptrmem = (uint32_t *)payload; |
| 160 | |
| 161 | switch (opcode) { |
| 162 | case ASM_DATA_EVENT_WATERMARK: |
| 163 | pr_debug("%s: Watermark level = 0x%08x\n", __func__, *ptrmem); |
| 164 | break; |
| 165 | case APR_BASIC_RSP_RESULT: |
| 166 | pr_debug("%s: Payload = [0x%x]stat[0x%x]\n", |
| 167 | __func__, payload[0], payload[1]); |
| 168 | switch (payload[0]) { |
| 169 | case ASM_SESSION_CMD_RUN_V2: |
| 170 | case ASM_SESSION_CMD_PAUSE: |
| 171 | case ASM_STREAM_CMD_FLUSH: |
| 172 | break; |
| 173 | default: |
| 174 | break; |
| 175 | } |
| 176 | break; |
| 177 | default: |
| 178 | pr_debug("Not Supported Event opcode[0x%x]\n", opcode); |
| 179 | break; |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | static int msm_pcm_open(struct snd_pcm_substream *substream) |
| 184 | { |
| 185 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 186 | struct msm_audio *prtd; |
| 187 | int ret = 0; |
| 188 | |
| 189 | prtd = kzalloc(sizeof(struct msm_audio), GFP_KERNEL); |
| 190 | |
| 191 | if (prtd == NULL) |
| 192 | return -ENOMEM; |
| 193 | |
| 194 | prtd->substream = substream; |
| 195 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 196 | runtime->hw = msm_pcm_hardware_playback; |
| 197 | else |
| 198 | runtime->hw = msm_pcm_hardware_capture; |
| 199 | |
| 200 | ret = snd_pcm_hw_constraint_list(runtime, 0, |
| 201 | SNDRV_PCM_HW_PARAM_RATE, |
| 202 | &constraints_sample_rates); |
| 203 | if (ret) |
| 204 | pr_info("snd_pcm_hw_constraint_list failed\n"); |
| 205 | |
| 206 | ret = snd_pcm_hw_constraint_integer(runtime, |
| 207 | SNDRV_PCM_HW_PARAM_PERIODS); |
| 208 | if (ret) |
| 209 | pr_info("snd_pcm_hw_constraint_integer failed\n"); |
| 210 | |
| 211 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| 212 | ret = snd_pcm_hw_constraint_minmax(runtime, |
| 213 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, |
| 214 | SIO_PLAYBACK_MIN_BYTES, |
| 215 | SIO_PLAYBACK_MAX_BYTES); |
| 216 | if (ret) { |
| 217 | pr_info("%s: P buffer bytes minmax constraint ret %d\n", |
| 218 | __func__, ret); |
| 219 | } |
| 220 | } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { |
| 221 | ret = snd_pcm_hw_constraint_minmax(runtime, |
| 222 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, |
| 223 | SIO_CAPTURE_MIN_BYTES, |
| 224 | SIO_CAPTURE_MAX_BYTES); |
| 225 | if (ret) { |
| 226 | pr_info("%s: C buffer bytes minmax constraint ret %d\n", |
| 227 | __func__, ret); |
| 228 | } |
| 229 | } |
| 230 | |
| 231 | ret = snd_pcm_hw_constraint_step(runtime, 0, |
| 232 | SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); |
| 233 | if (ret) { |
| 234 | pr_err("%s: Constraint for period bytes step ret = %d\n", |
| 235 | __func__, ret); |
| 236 | } |
| 237 | ret = snd_pcm_hw_constraint_step(runtime, 0, |
| 238 | SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32); |
| 239 | if (ret) { |
| 240 | pr_err("%s: Constraint for buffer bytes step ret = %d\n", |
| 241 | __func__, ret); |
| 242 | } |
| 243 | prtd->audio_client = q6asm_audio_client_alloc( |
| 244 | (app_cb)event_handler, prtd); |
| 245 | if (!prtd->audio_client) { |
| 246 | pr_err("%s: client alloc failed\n", __func__); |
| 247 | ret = -ENOMEM; |
| 248 | goto fail_cmd; |
| 249 | } |
| 250 | prtd->dsp_cnt = 0; |
| 251 | prtd->set_channel_map = false; |
| 252 | runtime->private_data = prtd; |
| 253 | return 0; |
| 254 | |
| 255 | fail_cmd: |
| 256 | kfree(prtd); |
| 257 | return ret; |
| 258 | } |
| 259 | |
| 260 | static int msm_pcm_hw_params(struct snd_pcm_substream *substream, |
| 261 | struct snd_pcm_hw_params *params) |
| 262 | |
| 263 | { |
| 264 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 265 | struct snd_soc_pcm_runtime *soc_prtd = substream->private_data; |
| 266 | struct msm_audio *prtd = runtime->private_data; |
| 267 | struct msm_plat_data *pdata; |
| 268 | struct snd_dma_buffer *dma_buf = &substream->dma_buffer; |
| 269 | struct audio_buffer *buf; |
| 270 | struct shared_io_config config; |
| 271 | uint16_t sample_word_size; |
| 272 | uint16_t bits_per_sample; |
| 273 | int ret; |
| 274 | int dir = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? IN : OUT; |
| 275 | unsigned long topology; |
| 276 | int perf_mode; |
| 277 | |
| 278 | pdata = (struct msm_plat_data *) |
| 279 | dev_get_drvdata(soc_prtd->platform->dev); |
| 280 | if (!pdata) { |
| 281 | ret = -EINVAL; |
| 282 | pr_err("%s: platform data not populated ret: %d\n", __func__, |
| 283 | ret); |
| 284 | return ret; |
| 285 | } |
| 286 | |
| 287 | topology = msm_pcm_fe_topology[soc_prtd->dai_link->id]; |
| 288 | |
| 289 | if (!strcmp(msm_pcm_fe_topology_text[topology], "ULL_PP")) |
| 290 | perf_mode = ULL_POST_PROCESSING_PCM_MODE; |
| 291 | else if (!strcmp(msm_pcm_fe_topology_text[topology], "ULL")) |
| 292 | perf_mode = ULTRA_LOW_LATENCY_PCM_MODE; |
| 293 | else if (!strcmp(msm_pcm_fe_topology_text[topology], "LL")) |
| 294 | perf_mode = LOW_LATENCY_PCM_MODE; |
| 295 | else |
| 296 | /* use the default from the device tree */ |
| 297 | perf_mode = pdata->perf_mode; |
| 298 | |
| 299 | |
| 300 | /* need to set LOW_LATENCY_PCM_MODE for capture since |
| 301 | * push mode does not support ULL |
| 302 | */ |
| 303 | prtd->audio_client->perf_mode = (dir == IN) ? |
| 304 | perf_mode : |
| 305 | LOW_LATENCY_PCM_MODE; |
| 306 | |
| 307 | /* rate and channels are sent to audio driver */ |
| 308 | prtd->samp_rate = params_rate(params); |
| 309 | prtd->channel_mode = params_channels(params); |
| 310 | if (prtd->enabled) |
| 311 | return 0; |
| 312 | |
| 313 | switch (runtime->format) { |
| 314 | case SNDRV_PCM_FORMAT_S24_LE: |
| 315 | bits_per_sample = 24; |
| 316 | sample_word_size = 32; |
| 317 | break; |
| 318 | case SNDRV_PCM_FORMAT_S24_3LE: |
| 319 | bits_per_sample = 24; |
| 320 | sample_word_size = 24; |
| 321 | break; |
| 322 | case SNDRV_PCM_FORMAT_S16_LE: |
| 323 | default: |
| 324 | bits_per_sample = 16; |
| 325 | sample_word_size = 16; |
| 326 | break; |
| 327 | } |
| 328 | |
| 329 | config.format = FORMAT_LINEAR_PCM; |
| 330 | config.bits_per_sample = bits_per_sample; |
| 331 | config.rate = params_rate(params); |
| 332 | config.channels = params_channels(params); |
| 333 | config.sample_word_size = sample_word_size; |
| 334 | config.bufsz = params_buffer_bytes(params) / params_periods(params); |
| 335 | config.bufcnt = params_periods(params); |
| 336 | |
| 337 | ret = q6asm_open_shared_io(prtd->audio_client, &config, dir); |
| 338 | if (ret) { |
| 339 | pr_err("%s: q6asm_open_write_shared_io failed ret: %d\n", |
| 340 | __func__, ret); |
| 341 | return ret; |
| 342 | } |
| 343 | |
| 344 | prtd->pcm_size = params_buffer_bytes(params); |
| 345 | prtd->pcm_count = params_buffer_bytes(params); |
| 346 | prtd->pcm_irq_pos = 0; |
| 347 | |
| 348 | buf = prtd->audio_client->port[dir].buf; |
| 349 | dma_buf->dev.type = SNDRV_DMA_TYPE_DEV; |
| 350 | dma_buf->dev.dev = substream->pcm->card->dev; |
| 351 | dma_buf->private_data = NULL; |
| 352 | dma_buf->area = buf->data; |
| 353 | dma_buf->addr = buf->phys; |
| 354 | dma_buf->bytes = prtd->pcm_size; |
| 355 | |
| 356 | snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); |
| 357 | |
| 358 | pr_debug("%s: session ID %d, perf %d\n", __func__, |
| 359 | prtd->audio_client->session, |
| 360 | prtd->audio_client->perf_mode); |
| 361 | prtd->session_id = prtd->audio_client->session; |
| 362 | |
| 363 | pr_debug("msm_pcm_routing_reg_phy_stream w/ id %d\n", |
| 364 | soc_prtd->dai_link->id); |
| 365 | ret = msm_pcm_routing_reg_phy_stream(soc_prtd->dai_link->id, |
| 366 | prtd->audio_client->perf_mode, |
| 367 | prtd->session_id, substream->stream); |
| 368 | |
| 369 | if (ret) { |
| 370 | pr_err("%s: stream reg failed ret:%d\n", __func__, ret); |
| 371 | return ret; |
| 372 | } |
| 373 | |
| 374 | atomic_set(&prtd->out_count, runtime->periods); |
| 375 | prtd->enabled = 1; |
| 376 | prtd->cmd_pending = 0; |
| 377 | prtd->cmd_interrupt = 0; |
| 378 | |
| 379 | return 0; |
| 380 | } |
| 381 | |
| 382 | static int msm_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
| 383 | { |
| 384 | int ret = 0; |
| 385 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 386 | struct msm_audio *prtd = runtime->private_data; |
| 387 | int dir = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? 0 : 1; |
| 388 | struct audio_buffer *buf; |
| 389 | |
| 390 | switch (cmd) { |
| 391 | case SNDRV_PCM_TRIGGER_START: |
| 392 | case SNDRV_PCM_TRIGGER_RESUME: |
| 393 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 394 | pr_debug("%s: %s Trigger start\n", __func__, |
| 395 | dir == 0 ? "P" : "C"); |
| 396 | ret = q6asm_run(prtd->audio_client, 0, 0, 0); |
| 397 | if (ret) |
| 398 | break; |
| 399 | atomic_set(&prtd->start, 1); |
| 400 | break; |
| 401 | case SNDRV_PCM_TRIGGER_STOP: |
| 402 | pr_debug("%s: SNDRV_PCM_TRIGGER_STOP\n", __func__); |
| 403 | atomic_set(&prtd->start, 0); |
| 404 | q6asm_cmd(prtd->audio_client, CMD_PAUSE); |
| 405 | q6asm_cmd(prtd->audio_client, CMD_FLUSH); |
| 406 | buf = q6asm_shared_io_buf(prtd->audio_client, dir); |
| 407 | if (buf == NULL) { |
| 408 | pr_err("%s: shared IO buffer is null\n", __func__); |
| 409 | ret = -EINVAL; |
| 410 | break; |
| 411 | } |
| 412 | memset(buf->data, 0, buf->actual_size); |
| 413 | break; |
| 414 | case SNDRV_PCM_TRIGGER_SUSPEND: |
| 415 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 416 | pr_debug("%s: SNDRV_PCM_TRIGGER_PAUSE\n", __func__); |
| 417 | ret = q6asm_cmd_nowait(prtd->audio_client, CMD_PAUSE); |
| 418 | atomic_set(&prtd->start, 0); |
| 419 | break; |
| 420 | default: |
| 421 | ret = -EINVAL; |
| 422 | break; |
| 423 | } |
| 424 | return ret; |
| 425 | } |
| 426 | |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 427 | |
| 428 | static int msm_pcm_mmap_fd(struct snd_pcm_substream *substream, |
| 429 | struct snd_pcm_mmap_fd *mmap_fd) |
| 430 | { |
| 431 | struct msm_audio *prtd; |
| 432 | struct audio_port_data *apd; |
| 433 | struct audio_buffer *ab; |
| 434 | int dir = -1; |
| 435 | |
| 436 | if (!substream->runtime) { |
| 437 | pr_err("%s substream runtime not found\n", __func__); |
| 438 | return -EFAULT; |
| 439 | } |
| 440 | |
| 441 | prtd = substream->runtime->private_data; |
| 442 | if (!prtd || !prtd->audio_client || !prtd->mmap_flag) { |
| 443 | pr_err("%s no audio client or not an mmap session\n", __func__); |
| 444 | return -EINVAL; |
| 445 | } |
| 446 | |
| 447 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 448 | dir = IN; |
| 449 | else |
| 450 | dir = OUT; |
| 451 | |
| 452 | apd = prtd->audio_client->port; |
| 453 | ab = &(apd[dir].buf[0]); |
| 454 | mmap_fd->fd = ion_share_dma_buf_fd(ab->client, ab->handle); |
| 455 | if (mmap_fd->fd >= 0) { |
| 456 | mmap_fd->dir = dir; |
| 457 | mmap_fd->actual_size = ab->actual_size; |
| 458 | mmap_fd->size = ab->size; |
| 459 | } |
| 460 | return mmap_fd->fd < 0 ? -EFAULT : 0; |
| 461 | } |
| 462 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 463 | static int msm_pcm_ioctl(struct snd_pcm_substream *substream, |
| 464 | unsigned int cmd, void *arg) |
| 465 | { |
| 466 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 467 | struct msm_audio *prtd = runtime->private_data; |
| 468 | int dir = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? 0 : 1; |
| 469 | struct audio_buffer *buf; |
| 470 | |
| 471 | switch (cmd) { |
| 472 | case SNDRV_PCM_IOCTL1_RESET: |
| 473 | pr_debug("%s: %s SNDRV_PCM_IOCTL1_RESET\n", __func__, |
| 474 | dir == 0 ? "P" : "C"); |
| 475 | buf = q6asm_shared_io_buf(prtd->audio_client, dir); |
| 476 | |
| 477 | if (buf && buf->data) |
| 478 | memset(buf->data, 0, buf->actual_size); |
| 479 | break; |
| 480 | default: |
| 481 | break; |
| 482 | } |
| 483 | |
| 484 | return snd_pcm_lib_ioctl(substream, cmd, arg); |
| 485 | } |
| 486 | |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 487 | #ifdef CONFIG_COMPAT |
| 488 | static int msm_pcm_compat_ioctl(struct snd_pcm_substream *substream, |
| 489 | unsigned int cmd, void *arg) |
| 490 | { |
| 491 | /* we only handle RESET which is common for both modes */ |
| 492 | return msm_pcm_ioctl(substream, cmd, arg); |
| 493 | } |
| 494 | #endif |
| 495 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 496 | static snd_pcm_uframes_t msm_pcm_pointer(struct snd_pcm_substream *substream) |
| 497 | { |
| 498 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 499 | uint32_t read_index, wall_clk_msw, wall_clk_lsw; |
| 500 | /*these are offsets, unlike ASoC's full values*/ |
| 501 | snd_pcm_sframes_t hw_ptr; |
| 502 | snd_pcm_sframes_t period_size; |
| 503 | int ret; |
| 504 | int retries = 10; |
| 505 | struct msm_audio *prtd = runtime->private_data; |
| 506 | |
| 507 | period_size = runtime->period_size; |
| 508 | |
| 509 | do { |
| 510 | ret = q6asm_get_shared_pos(prtd->audio_client, |
| 511 | &read_index, &wall_clk_msw, |
| 512 | &wall_clk_lsw); |
| 513 | } while (ret == -EAGAIN && --retries); |
| 514 | |
| 515 | if (ret || !period_size) { |
| 516 | pr_err("get_shared_pos error or zero period size\n"); |
| 517 | return 0; |
| 518 | } |
| 519 | |
| 520 | hw_ptr = bytes_to_frames(substream->runtime, |
| 521 | read_index); |
| 522 | |
| 523 | if (runtime->control->appl_ptr == 0) { |
| 524 | pr_debug("ptr(%s): appl(0), hw = %lu read_index = %u\n", |
| 525 | prtd->substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? |
| 526 | "P" : "C", |
| 527 | hw_ptr, read_index); |
| 528 | } |
| 529 | return (hw_ptr/period_size) * period_size; |
| 530 | } |
| 531 | |
| 532 | static int msm_pcm_copy(struct snd_pcm_substream *substream, int a, |
| 533 | snd_pcm_uframes_t hwoff, void __user *buf, snd_pcm_uframes_t frames) |
| 534 | { |
| 535 | return -EINVAL; |
| 536 | } |
| 537 | |
| 538 | static int msm_pcm_mmap(struct snd_pcm_substream *substream, |
| 539 | struct vm_area_struct *vma) |
| 540 | { |
| 541 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 542 | struct msm_audio *prtd = runtime->private_data; |
| 543 | struct audio_client *ac = prtd->audio_client; |
| 544 | struct audio_port_data *apd = ac->port; |
| 545 | struct audio_buffer *ab; |
| 546 | int dir = -1; |
| 547 | int ret; |
| 548 | |
| 549 | pr_debug("%s: mmap begin\n", __func__); |
| 550 | prtd->mmap_flag = 1; |
| 551 | |
| 552 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 553 | dir = IN; |
| 554 | else |
| 555 | dir = OUT; |
| 556 | |
| 557 | ab = &(apd[dir].buf[0]); |
| 558 | |
| 559 | ret = msm_audio_ion_mmap(ab, vma); |
| 560 | |
| 561 | if (ret) |
| 562 | prtd->mmap_flag = 0; |
| 563 | |
| 564 | return ret; |
| 565 | } |
| 566 | |
| 567 | static int msm_pcm_prepare(struct snd_pcm_substream *substream) |
| 568 | { |
| 569 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 570 | struct msm_audio *prtd = runtime->private_data; |
| 571 | |
| 572 | if (!prtd || !prtd->mmap_flag) |
| 573 | return -EIO; |
| 574 | |
| 575 | return 0; |
| 576 | } |
| 577 | |
| 578 | static int msm_pcm_close(struct snd_pcm_substream *substream) |
| 579 | { |
| 580 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 581 | struct snd_soc_pcm_runtime *soc_prtd = substream->private_data; |
| 582 | struct msm_audio *prtd = runtime->private_data; |
| 583 | struct audio_client *ac = prtd->audio_client; |
| 584 | uint32_t timeout; |
| 585 | int dir = 0; |
| 586 | int ret = 0; |
| 587 | |
| 588 | if (ac) { |
| 589 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 590 | dir = IN; |
| 591 | else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) |
| 592 | dir = OUT; |
| 593 | |
| 594 | /* determine timeout length */ |
| 595 | if (runtime->frame_bits == 0 || runtime->rate == 0) { |
| 596 | timeout = CMD_EOS_MIN_TIMEOUT_LENGTH; |
| 597 | } else { |
| 598 | timeout = (runtime->period_size * |
| 599 | CMD_EOS_TIMEOUT_MULTIPLIER) / |
| 600 | ((runtime->frame_bits / 8) * |
| 601 | runtime->rate); |
| 602 | if (timeout < CMD_EOS_MIN_TIMEOUT_LENGTH) |
| 603 | timeout = CMD_EOS_MIN_TIMEOUT_LENGTH; |
| 604 | } |
| 605 | |
| 606 | q6asm_cmd(ac, CMD_CLOSE); |
| 607 | |
| 608 | ret = q6asm_shared_io_free(ac, dir); |
| 609 | |
| 610 | if (ret) { |
| 611 | pr_err("%s: Failed to close pull mode, ret %d\n", |
| 612 | __func__, ret); |
| 613 | } |
| 614 | q6asm_audio_client_free(ac); |
| 615 | } |
| 616 | msm_pcm_routing_dereg_phy_stream(soc_prtd->dai_link->id, |
| 617 | dir == IN ? |
| 618 | SNDRV_PCM_STREAM_PLAYBACK : |
| 619 | SNDRV_PCM_STREAM_CAPTURE); |
| 620 | kfree(prtd); |
| 621 | runtime->private_data = NULL; |
| 622 | |
| 623 | return 0; |
| 624 | } |
| 625 | |
| 626 | static int msm_pcm_set_volume(struct msm_audio *prtd, uint32_t volume) |
| 627 | { |
| 628 | int rc = 0; |
| 629 | |
| 630 | if (prtd && prtd->audio_client) { |
| 631 | pr_debug("%s: channels %d volume 0x%x\n", __func__, |
| 632 | prtd->channel_mode, volume); |
| 633 | rc = q6asm_set_volume(prtd->audio_client, volume); |
| 634 | if (rc < 0) { |
| 635 | pr_err("%s: Send Volume command failed rc=%d\n", |
| 636 | __func__, rc); |
| 637 | } |
| 638 | } |
| 639 | return rc; |
| 640 | } |
| 641 | |
| 642 | static int msm_pcm_volume_ctl_get(struct snd_kcontrol *kcontrol, |
| 643 | struct snd_ctl_elem_value *ucontrol) |
| 644 | { |
| 645 | struct snd_pcm_volume *vol = snd_kcontrol_chip(kcontrol); |
| 646 | struct snd_pcm_substream *substream = |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 647 | vol->pcm->streams[vol->stream].substream; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 648 | struct msm_audio *prtd; |
| 649 | |
| 650 | pr_debug("%s\n", __func__); |
| 651 | if (!substream) { |
| 652 | pr_err("%s substream not found\n", __func__); |
| 653 | return -ENODEV; |
| 654 | } |
| 655 | if (!substream->runtime) { |
| 656 | pr_err("%s substream runtime not found\n", __func__); |
| 657 | return 0; |
| 658 | } |
| 659 | prtd = substream->runtime->private_data; |
| 660 | if (prtd) |
| 661 | ucontrol->value.integer.value[0] = prtd->volume; |
| 662 | return 0; |
| 663 | } |
| 664 | |
| 665 | static int msm_pcm_volume_ctl_put(struct snd_kcontrol *kcontrol, |
| 666 | struct snd_ctl_elem_value *ucontrol) |
| 667 | { |
| 668 | int rc = 0; |
| 669 | struct snd_pcm_volume *vol = snd_kcontrol_chip(kcontrol); |
| 670 | struct snd_pcm_substream *substream = |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 671 | vol->pcm->streams[vol->stream].substream; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 672 | struct msm_audio *prtd; |
| 673 | int volume = ucontrol->value.integer.value[0]; |
| 674 | |
| 675 | pr_debug("%s: volume : 0x%x\n", __func__, volume); |
| 676 | if (!substream) { |
| 677 | pr_err("%s substream not found\n", __func__); |
| 678 | return -ENODEV; |
| 679 | } |
| 680 | if (!substream->runtime) { |
| 681 | pr_err("%s substream runtime not found\n", __func__); |
| 682 | return 0; |
| 683 | } |
| 684 | prtd = substream->runtime->private_data; |
| 685 | if (prtd) { |
| 686 | rc = msm_pcm_set_volume(prtd, volume); |
| 687 | prtd->volume = volume; |
| 688 | } |
| 689 | return rc; |
| 690 | } |
| 691 | |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 692 | static int msm_pcm_add_volume_control(struct snd_soc_pcm_runtime *rtd, |
| 693 | int stream) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 694 | { |
| 695 | int ret = 0; |
| 696 | struct snd_pcm *pcm = rtd->pcm; |
| 697 | struct snd_pcm_volume *volume_info; |
| 698 | struct snd_kcontrol *kctl; |
| 699 | |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 700 | dev_dbg(rtd->dev, "%s, volume control add\n", __func__); |
| 701 | ret = snd_pcm_add_volume_ctls(pcm, stream, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 702 | NULL, 1, rtd->dai_link->id, |
| 703 | &volume_info); |
| 704 | if (ret < 0) { |
| 705 | pr_err("%s volume control failed ret %d\n", __func__, ret); |
| 706 | return ret; |
| 707 | } |
| 708 | kctl = volume_info->kctl; |
| 709 | kctl->put = msm_pcm_volume_ctl_put; |
| 710 | kctl->get = msm_pcm_volume_ctl_get; |
| 711 | kctl->tlv.p = msm_pcm_vol_gain; |
| 712 | return 0; |
| 713 | } |
| 714 | |
| 715 | static int msm_pcm_chmap_ctl_put(struct snd_kcontrol *kcontrol, |
| 716 | struct snd_ctl_elem_value *ucontrol) |
| 717 | { |
| 718 | int i; |
| 719 | struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); |
| 720 | unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); |
| 721 | struct snd_pcm_substream *substream; |
| 722 | struct msm_audio *prtd; |
| 723 | |
| 724 | pr_debug("%s", __func__); |
| 725 | substream = snd_pcm_chmap_substream(info, idx); |
| 726 | if (!substream) |
| 727 | return -ENODEV; |
| 728 | if (!substream->runtime) |
| 729 | return 0; |
| 730 | |
| 731 | prtd = substream->runtime->private_data; |
| 732 | if (prtd) { |
| 733 | prtd->set_channel_map = true; |
| 734 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL; i++) |
| 735 | prtd->channel_map[i] = |
| 736 | (char)(ucontrol->value.integer.value[i]); |
| 737 | } |
| 738 | return 0; |
| 739 | } |
| 740 | |
| 741 | static int msm_pcm_chmap_ctl_get(struct snd_kcontrol *kcontrol, |
| 742 | struct snd_ctl_elem_value *ucontrol) |
| 743 | { |
| 744 | int i; |
| 745 | struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); |
| 746 | unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); |
| 747 | struct snd_pcm_substream *substream; |
| 748 | struct msm_audio *prtd; |
| 749 | |
| 750 | pr_debug("%s", __func__); |
| 751 | substream = snd_pcm_chmap_substream(info, idx); |
| 752 | if (!substream) |
| 753 | return -ENODEV; |
| 754 | memset(ucontrol->value.integer.value, 0, |
| 755 | sizeof(ucontrol->value.integer.value)); |
| 756 | if (!substream->runtime) |
| 757 | return 0; /* no channels set */ |
| 758 | |
| 759 | prtd = substream->runtime->private_data; |
| 760 | |
| 761 | if (prtd && prtd->set_channel_map == true) { |
| 762 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL; i++) |
| 763 | ucontrol->value.integer.value[i] = |
| 764 | (int)prtd->channel_map[i]; |
| 765 | } else { |
| 766 | for (i = 0; i < PCM_FORMAT_MAX_NUM_CHANNEL; i++) |
| 767 | ucontrol->value.integer.value[i] = 0; |
| 768 | } |
| 769 | |
| 770 | return 0; |
| 771 | } |
| 772 | |
| 773 | static int msm_pcm_add_chmap_control(struct snd_soc_pcm_runtime *rtd) |
| 774 | { |
| 775 | struct snd_pcm *pcm = rtd->pcm; |
| 776 | struct snd_pcm_chmap *chmap_info; |
| 777 | struct snd_kcontrol *kctl; |
| 778 | char device_num[12]; |
| 779 | int i, ret; |
| 780 | |
| 781 | pr_debug("%s, Channel map cntrl add\n", __func__); |
| 782 | ret = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, |
| 783 | snd_pcm_std_chmaps, |
| 784 | PCM_FORMAT_MAX_NUM_CHANNEL, 0, |
| 785 | &chmap_info); |
| 786 | if (ret) |
| 787 | return ret; |
| 788 | |
| 789 | kctl = chmap_info->kctl; |
| 790 | for (i = 0; i < kctl->count; i++) |
| 791 | kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE; |
| 792 | snprintf(device_num, sizeof(device_num), "%d", pcm->device); |
| 793 | strlcat(kctl->id.name, device_num, sizeof(kctl->id.name)); |
| 794 | pr_debug("%s, Overwriting channel map control name to: %s", |
| 795 | __func__, kctl->id.name); |
| 796 | kctl->put = msm_pcm_chmap_ctl_put; |
| 797 | kctl->get = msm_pcm_chmap_ctl_get; |
| 798 | return 0; |
| 799 | } |
| 800 | |
| 801 | static int msm_pcm_fe_topology_info(struct snd_kcontrol *kcontrol, |
| 802 | struct snd_ctl_elem_info *uinfo) |
| 803 | { |
| 804 | const struct soc_enum *e = &msm_pcm_fe_topology_enum[0]; |
| 805 | |
| 806 | return snd_ctl_enum_info(uinfo, 1, e->items, e->texts); |
| 807 | } |
| 808 | |
| 809 | static int msm_pcm_fe_topology_get(struct snd_kcontrol *kcontrol, |
| 810 | struct snd_ctl_elem_value *ucontrol) |
| 811 | { |
| 812 | unsigned long fe_id = kcontrol->private_value; |
| 813 | |
| 814 | if (fe_id >= MSM_FRONTEND_DAI_MAX) { |
| 815 | pr_err("%s Received out of bound fe_id %lu\n", __func__, fe_id); |
| 816 | return -EINVAL; |
| 817 | } |
| 818 | |
| 819 | pr_debug("%s: %lu topology %s\n", __func__, fe_id, |
| 820 | msm_pcm_fe_topology_text[msm_pcm_fe_topology[fe_id]]); |
| 821 | ucontrol->value.enumerated.item[0] = msm_pcm_fe_topology[fe_id]; |
| 822 | return 0; |
| 823 | } |
| 824 | |
| 825 | static int msm_pcm_fe_topology_put(struct snd_kcontrol *kcontrol, |
| 826 | struct snd_ctl_elem_value *ucontrol) |
| 827 | { |
| 828 | unsigned long fe_id = kcontrol->private_value; |
| 829 | unsigned int item; |
| 830 | |
| 831 | if (fe_id >= MSM_FRONTEND_DAI_MAX) { |
| 832 | pr_err("%s Received out of bound fe_id %lu\n", __func__, fe_id); |
| 833 | return -EINVAL; |
| 834 | } |
| 835 | |
| 836 | item = ucontrol->value.enumerated.item[0]; |
| 837 | if (item >= ARRAY_SIZE(msm_pcm_fe_topology_text)) { |
| 838 | pr_err("%s Received out of bound topology %lu\n", __func__, |
| 839 | fe_id); |
| 840 | return -EINVAL; |
| 841 | } |
| 842 | |
| 843 | pr_debug("%s: %lu new topology %s\n", __func__, fe_id, |
| 844 | msm_pcm_fe_topology_text[item]); |
| 845 | msm_pcm_fe_topology[fe_id] = item; |
| 846 | return 0; |
| 847 | } |
| 848 | |
| 849 | static int msm_pcm_add_fe_topology_control(struct snd_soc_pcm_runtime *rtd) |
| 850 | { |
| 851 | const char *mixer_ctl_name = "PCM_Dev"; |
| 852 | const char *deviceNo = "NN"; |
| 853 | const char *topo_text = "Topology"; |
| 854 | char *mixer_str = NULL; |
| 855 | int ctl_len; |
| 856 | int ret; |
| 857 | struct snd_kcontrol_new topology_control[1] = { |
| 858 | { |
| 859 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 860 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, |
| 861 | .name = "?", |
| 862 | .info = msm_pcm_fe_topology_info, |
| 863 | .get = msm_pcm_fe_topology_get, |
| 864 | .put = msm_pcm_fe_topology_put, |
| 865 | .private_value = 0, |
| 866 | }, |
| 867 | }; |
| 868 | |
| 869 | ctl_len = strlen(mixer_ctl_name) + 1 + strlen(deviceNo) + 1 + |
| 870 | strlen(topo_text) + 1; |
| 871 | mixer_str = kzalloc(ctl_len, GFP_KERNEL); |
| 872 | |
| 873 | if (!mixer_str) |
| 874 | return -ENOMEM; |
| 875 | |
| 876 | snprintf(mixer_str, ctl_len, "%s %d %s", mixer_ctl_name, |
| 877 | rtd->pcm->device, topo_text); |
| 878 | |
| 879 | topology_control[0].name = mixer_str; |
| 880 | topology_control[0].private_value = rtd->dai_link->id; |
| 881 | ret = snd_soc_add_platform_controls(rtd->platform, topology_control, |
| 882 | ARRAY_SIZE(topology_control)); |
| 883 | msm_pcm_fe_topology[rtd->dai_link->id] = 0; |
| 884 | kfree(mixer_str); |
| 885 | return ret; |
| 886 | } |
| 887 | |
| 888 | static int msm_pcm_playback_app_type_cfg_ctl_put(struct snd_kcontrol *kcontrol, |
| 889 | struct snd_ctl_elem_value *ucontrol) |
| 890 | { |
| 891 | u64 fe_id = kcontrol->private_value; |
| 892 | int session_type = SESSION_TYPE_RX; |
| 893 | int be_id = ucontrol->value.integer.value[3]; |
| 894 | struct msm_pcm_stream_app_type_cfg cfg_data = {0, 0, 48000}; |
| 895 | int ret = 0; |
| 896 | |
| 897 | cfg_data.app_type = ucontrol->value.integer.value[0]; |
| 898 | cfg_data.acdb_dev_id = ucontrol->value.integer.value[1]; |
| 899 | if (ucontrol->value.integer.value[2] != 0) |
| 900 | cfg_data.sample_rate = ucontrol->value.integer.value[2]; |
| 901 | pr_debug("%s: fe_id- %llu session_type- %d be_id- %d app_type- %d acdb_dev_id- %d sample_rate- %d\n", |
| 902 | __func__, fe_id, session_type, be_id, |
| 903 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 904 | ret = msm_pcm_routing_reg_stream_app_type_cfg(fe_id, session_type, |
| 905 | be_id, &cfg_data); |
| 906 | if (ret < 0) |
| 907 | pr_err("%s: msm_pcm_routing_reg_stream_app_type_cfg failed returned %d\n", |
| 908 | __func__, ret); |
| 909 | return ret; |
| 910 | } |
| 911 | |
| 912 | static int msm_pcm_playback_app_type_cfg_ctl_get(struct snd_kcontrol *kcontrol, |
| 913 | struct snd_ctl_elem_value *ucontrol) |
| 914 | { |
| 915 | u64 fe_id = kcontrol->private_value; |
| 916 | int session_type = SESSION_TYPE_RX; |
| 917 | int be_id = 0; |
| 918 | struct msm_pcm_stream_app_type_cfg cfg_data = {0}; |
| 919 | int ret = 0; |
| 920 | |
| 921 | ret = msm_pcm_routing_get_stream_app_type_cfg(fe_id, session_type, |
| 922 | &be_id, &cfg_data); |
| 923 | if (ret < 0) { |
| 924 | pr_err("%s: msm_pcm_routing_get_stream_app_type_cfg failed returned %d\n", |
| 925 | __func__, ret); |
| 926 | goto done; |
| 927 | } |
| 928 | |
| 929 | ucontrol->value.integer.value[0] = cfg_data.app_type; |
| 930 | ucontrol->value.integer.value[1] = cfg_data.acdb_dev_id; |
| 931 | ucontrol->value.integer.value[2] = cfg_data.sample_rate; |
| 932 | ucontrol->value.integer.value[3] = be_id; |
| 933 | pr_debug("%s: fedai_id %llu, session_type %d, be_id %d, app_type %d, acdb_dev_id %d, sample_rate %d\n", |
| 934 | __func__, fe_id, session_type, be_id, |
| 935 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 936 | done: |
| 937 | return ret; |
| 938 | } |
| 939 | |
| 940 | static int msm_pcm_capture_app_type_cfg_ctl_put(struct snd_kcontrol *kcontrol, |
| 941 | struct snd_ctl_elem_value *ucontrol) |
| 942 | { |
| 943 | u64 fe_id = kcontrol->private_value; |
| 944 | int session_type = SESSION_TYPE_TX; |
| 945 | int be_id = ucontrol->value.integer.value[3]; |
| 946 | struct msm_pcm_stream_app_type_cfg cfg_data = {0, 0, 48000}; |
| 947 | int ret = 0; |
| 948 | |
| 949 | cfg_data.app_type = ucontrol->value.integer.value[0]; |
| 950 | cfg_data.acdb_dev_id = ucontrol->value.integer.value[1]; |
| 951 | if (ucontrol->value.integer.value[2] != 0) |
| 952 | cfg_data.sample_rate = ucontrol->value.integer.value[2]; |
| 953 | pr_debug("%s: fe_id- %llu session_type- %d be_id- %d app_type- %d acdb_dev_id- %d sample_rate- %d\n", |
| 954 | __func__, fe_id, session_type, be_id, |
| 955 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 956 | ret = msm_pcm_routing_reg_stream_app_type_cfg(fe_id, session_type, |
| 957 | be_id, &cfg_data); |
| 958 | if (ret < 0) |
| 959 | pr_err("%s: msm_pcm_routing_reg_stream_app_type_cfg failed returned %d\n", |
| 960 | __func__, ret); |
| 961 | |
| 962 | return ret; |
| 963 | } |
| 964 | |
| 965 | static int msm_pcm_capture_app_type_cfg_ctl_get(struct snd_kcontrol *kcontrol, |
| 966 | struct snd_ctl_elem_value *ucontrol) |
| 967 | { |
| 968 | u64 fe_id = kcontrol->private_value; |
| 969 | int session_type = SESSION_TYPE_TX; |
| 970 | int be_id = 0; |
| 971 | struct msm_pcm_stream_app_type_cfg cfg_data = {0}; |
| 972 | int ret = 0; |
| 973 | |
| 974 | ret = msm_pcm_routing_get_stream_app_type_cfg(fe_id, session_type, |
| 975 | &be_id, &cfg_data); |
| 976 | if (ret < 0) { |
| 977 | pr_err("%s: msm_pcm_routing_get_stream_app_type_cfg failed returned %d\n", |
| 978 | __func__, ret); |
| 979 | goto done; |
| 980 | } |
| 981 | |
| 982 | ucontrol->value.integer.value[0] = cfg_data.app_type; |
| 983 | ucontrol->value.integer.value[1] = cfg_data.acdb_dev_id; |
| 984 | ucontrol->value.integer.value[2] = cfg_data.sample_rate; |
| 985 | ucontrol->value.integer.value[3] = be_id; |
| 986 | pr_debug("%s: fedai_id %llu, session_type %d, be_id %d, app_type %d, acdb_dev_id %d, sample_rate %d\n", |
| 987 | __func__, fe_id, session_type, be_id, |
| 988 | cfg_data.app_type, cfg_data.acdb_dev_id, cfg_data.sample_rate); |
| 989 | done: |
| 990 | return ret; |
| 991 | } |
| 992 | |
| 993 | static int msm_pcm_add_app_type_controls(struct snd_soc_pcm_runtime *rtd) |
| 994 | { |
| 995 | struct snd_pcm *pcm = rtd->pcm; |
| 996 | struct snd_pcm_usr *app_type_info; |
| 997 | struct snd_kcontrol *kctl; |
| 998 | const char *playback_mixer_ctl_name = "Audio Stream"; |
| 999 | const char *capture_mixer_ctl_name = "Audio Stream Capture"; |
| 1000 | const char *deviceNo = "NN"; |
| 1001 | const char *suffix = "App Type Cfg"; |
| 1002 | int ctl_len, ret = 0; |
| 1003 | |
| 1004 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { |
| 1005 | ctl_len = strlen(playback_mixer_ctl_name) + 1 + |
| 1006 | strlen(deviceNo) + 1 + |
| 1007 | strlen(suffix) + 1; |
| 1008 | pr_debug("%s: Playback app type cntrl add\n", __func__); |
| 1009 | ret = snd_pcm_add_usr_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, |
| 1010 | NULL, 1, ctl_len, rtd->dai_link->id, |
| 1011 | &app_type_info); |
| 1012 | if (ret < 0) { |
| 1013 | pr_err("%s: playback app type cntrl add failed, err: %d\n", |
| 1014 | __func__, ret); |
| 1015 | return ret; |
| 1016 | } |
| 1017 | kctl = app_type_info->kctl; |
| 1018 | snprintf(kctl->id.name, ctl_len, "%s %d %s", |
| 1019 | playback_mixer_ctl_name, rtd->pcm->device, suffix); |
| 1020 | kctl->put = msm_pcm_playback_app_type_cfg_ctl_put; |
| 1021 | kctl->get = msm_pcm_playback_app_type_cfg_ctl_get; |
| 1022 | } |
| 1023 | |
| 1024 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { |
| 1025 | ctl_len = strlen(capture_mixer_ctl_name) + 1 + |
| 1026 | strlen(deviceNo) + 1 + strlen(suffix) + 1; |
| 1027 | pr_debug("%s: Capture app type cntrl add\n", __func__); |
| 1028 | ret = snd_pcm_add_usr_ctls(pcm, SNDRV_PCM_STREAM_CAPTURE, |
| 1029 | NULL, 1, ctl_len, rtd->dai_link->id, |
| 1030 | &app_type_info); |
| 1031 | if (ret < 0) { |
| 1032 | pr_err("%s: capture app type cntrl add failed, err: %d\n", |
| 1033 | __func__, ret); |
| 1034 | return ret; |
| 1035 | } |
| 1036 | kctl = app_type_info->kctl; |
| 1037 | snprintf(kctl->id.name, ctl_len, "%s %d %s", |
| 1038 | capture_mixer_ctl_name, rtd->pcm->device, suffix); |
| 1039 | kctl->put = msm_pcm_capture_app_type_cfg_ctl_put; |
| 1040 | kctl->get = msm_pcm_capture_app_type_cfg_ctl_get; |
| 1041 | } |
| 1042 | |
| 1043 | return 0; |
| 1044 | } |
| 1045 | |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 1046 | static int msm_pcm_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, |
| 1047 | unsigned int cmd, unsigned long arg) |
| 1048 | { |
| 1049 | int ret = 0; |
| 1050 | struct snd_pcm *pcm = hw->private_data; |
| 1051 | struct snd_pcm_mmap_fd __user *_mmap_fd = NULL; |
| 1052 | struct snd_pcm_mmap_fd mmap_fd; |
| 1053 | struct snd_pcm_substream *substream = NULL; |
| 1054 | int32_t dir = -1; |
| 1055 | |
| 1056 | switch (cmd) { |
| 1057 | case SNDRV_PCM_IOCTL_MMAP_DATA_FD: |
| 1058 | _mmap_fd = (struct snd_pcm_mmap_fd __user *)arg; |
| 1059 | if (get_user(dir, (int32_t __user *)&(_mmap_fd->dir))) { |
| 1060 | pr_err("%s: error copying mmap_fd from user\n", |
| 1061 | __func__); |
| 1062 | ret = -EFAULT; |
| 1063 | break; |
| 1064 | } |
| 1065 | if (dir != OUT && dir != IN) { |
| 1066 | pr_err("%s invalid stream dir\n", __func__); |
| 1067 | ret = -EINVAL; |
| 1068 | break; |
| 1069 | } |
| 1070 | substream = pcm->streams[dir].substream; |
| 1071 | if (!substream) { |
| 1072 | pr_err("%s substream not found\n", __func__); |
| 1073 | ret = -ENODEV; |
| 1074 | break; |
| 1075 | } |
| 1076 | pr_debug("%s : %s MMAP Data fd\n", __func__, |
| 1077 | dir == 0 ? "P" : "C"); |
| 1078 | if (msm_pcm_mmap_fd(substream, &mmap_fd) < 0) { |
| 1079 | pr_err("%s: error getting fd\n", |
| 1080 | __func__); |
| 1081 | ret = -EFAULT; |
| 1082 | break; |
| 1083 | } |
| 1084 | if (put_user(mmap_fd.fd, &_mmap_fd->fd) || |
| 1085 | put_user(mmap_fd.size, &_mmap_fd->size) || |
| 1086 | put_user(mmap_fd.actual_size, &_mmap_fd->actual_size)) { |
| 1087 | pr_err("%s: error copying fd\n", __func__); |
| 1088 | return -EFAULT; |
| 1089 | } |
| 1090 | break; |
| 1091 | default: |
| 1092 | ret = -EINVAL; |
| 1093 | break; |
| 1094 | } |
| 1095 | return ret; |
| 1096 | } |
| 1097 | |
| 1098 | #ifdef CONFIG_COMPAT |
| 1099 | static int msm_pcm_hwdep_compat_ioctl(struct snd_hwdep *hw, |
| 1100 | struct file *file, |
| 1101 | unsigned int cmd, |
| 1102 | unsigned long arg) |
| 1103 | { |
| 1104 | /* we only support mmap fd. Handling is common in both modes */ |
| 1105 | return msm_pcm_hwdep_ioctl(hw, file, cmd, arg); |
| 1106 | } |
| 1107 | #else |
| 1108 | static int msm_pcm_hwdep_compat_ioctl(struct snd_hwdep *hw, |
| 1109 | struct file *file, |
| 1110 | unsigned int cmd, |
| 1111 | unsigned long arg) |
| 1112 | { |
| 1113 | return -EINVAL; |
| 1114 | } |
| 1115 | #endif |
| 1116 | |
| 1117 | static int msm_pcm_add_hwdep_dev(struct snd_soc_pcm_runtime *runtime) |
| 1118 | { |
| 1119 | struct snd_hwdep *hwdep; |
| 1120 | int rc; |
| 1121 | char id[] = "NOIRQ_NN"; |
| 1122 | |
| 1123 | snprintf(id, sizeof(id), "NOIRQ_%d", runtime->pcm->device); |
| 1124 | pr_debug("%s: pcm dev %d\n", __func__, runtime->pcm->device); |
| 1125 | rc = snd_hwdep_new(runtime->card->snd_card, |
| 1126 | &id[0], |
| 1127 | HWDEP_FE_BASE + runtime->pcm->device, |
| 1128 | &hwdep); |
| 1129 | if (!hwdep || rc < 0) { |
| 1130 | pr_err("%s: hwdep intf failed to create %s - hwdep\n", __func__, |
| 1131 | id); |
| 1132 | return rc; |
| 1133 | } |
| 1134 | |
| 1135 | hwdep->iface = SNDRV_HWDEP_IFACE_AUDIO_BE; /* for lack of a FE iface */ |
| 1136 | hwdep->private_data = runtime->pcm; /* of type struct snd_pcm */ |
| 1137 | hwdep->ops.ioctl = msm_pcm_hwdep_ioctl; |
| 1138 | hwdep->ops.ioctl_compat = msm_pcm_hwdep_compat_ioctl; |
| 1139 | return 0; |
| 1140 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1141 | |
| 1142 | static int msm_asoc_pcm_new(struct snd_soc_pcm_runtime *rtd) |
| 1143 | { |
| 1144 | struct snd_card *card = rtd->card->snd_card; |
| 1145 | struct snd_pcm *pcm = rtd->pcm; |
| 1146 | int ret; |
| 1147 | |
| 1148 | pr_debug("%s , register new control\n", __func__); |
| 1149 | if (!card->dev->coherent_dma_mask) |
| 1150 | card->dev->coherent_dma_mask = DMA_BIT_MASK(32); |
| 1151 | |
| 1152 | ret = msm_pcm_add_chmap_control(rtd); |
| 1153 | if (ret) { |
| 1154 | pr_err("%s failed to add chmap cntls\n", __func__); |
| 1155 | goto exit; |
| 1156 | } |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 1157 | ret = msm_pcm_add_volume_control(rtd, SNDRV_PCM_STREAM_PLAYBACK); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1158 | if (ret) { |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 1159 | pr_err("%s: Could not add pcm playback volume Control %d\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1160 | __func__, ret); |
| 1161 | } |
Haynes Mathew George | d00e106 | 2018-04-06 18:18:51 -0700 | [diff] [blame] | 1162 | ret = msm_pcm_add_volume_control(rtd, SNDRV_PCM_STREAM_CAPTURE); |
| 1163 | if (ret) { |
| 1164 | pr_err("%s: Could not add pcm capture volume Control %d\n", |
| 1165 | __func__, ret); |
| 1166 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1167 | ret = msm_pcm_add_fe_topology_control(rtd); |
| 1168 | if (ret) { |
| 1169 | pr_err("%s: Could not add pcm topology control %d\n", |
| 1170 | __func__, ret); |
| 1171 | } |
| 1172 | |
| 1173 | ret = msm_pcm_add_app_type_controls(rtd); |
| 1174 | if (ret) { |
| 1175 | pr_err("%s: Could not add app type controls failed %d\n", |
| 1176 | __func__, ret); |
| 1177 | } |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 1178 | ret = msm_pcm_add_hwdep_dev(rtd); |
| 1179 | if (ret) |
| 1180 | pr_err("%s: Could not add hw dep node\n", __func__); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1181 | pcm->nonatomic = true; |
| 1182 | exit: |
| 1183 | return ret; |
| 1184 | } |
| 1185 | |
| 1186 | |
| 1187 | static const struct snd_pcm_ops msm_pcm_ops = { |
| 1188 | .open = msm_pcm_open, |
| 1189 | .prepare = msm_pcm_prepare, |
| 1190 | .copy = msm_pcm_copy, |
| 1191 | .hw_params = msm_pcm_hw_params, |
| 1192 | .ioctl = msm_pcm_ioctl, |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 1193 | #ifdef CONFIG_COMPAT |
| 1194 | .compat_ioctl = msm_pcm_compat_ioctl, |
| 1195 | #endif |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1196 | .trigger = msm_pcm_trigger, |
| 1197 | .pointer = msm_pcm_pointer, |
| 1198 | .mmap = msm_pcm_mmap, |
| 1199 | .close = msm_pcm_close, |
| 1200 | }; |
| 1201 | |
| 1202 | static struct snd_soc_platform_driver msm_soc_platform = { |
| 1203 | .ops = &msm_pcm_ops, |
| 1204 | .pcm_new = msm_asoc_pcm_new, |
| 1205 | }; |
| 1206 | |
| 1207 | static int msm_pcm_probe(struct platform_device *pdev) |
| 1208 | { |
| 1209 | int rc; |
| 1210 | struct msm_plat_data *pdata; |
| 1211 | const char *latency_level; |
| 1212 | int perf_mode = LOW_LATENCY_PCM_MODE; |
| 1213 | |
| 1214 | dev_dbg(&pdev->dev, "Pull mode driver probe\n"); |
| 1215 | |
| 1216 | if (of_property_read_bool(pdev->dev.of_node, |
| 1217 | "qcom,msm-pcm-low-latency")) { |
| 1218 | |
| 1219 | rc = of_property_read_string(pdev->dev.of_node, |
| 1220 | "qcom,latency-level", &latency_level); |
| 1221 | if (!rc) { |
| 1222 | if (!strcmp(latency_level, "ultra")) |
| 1223 | perf_mode = ULTRA_LOW_LATENCY_PCM_MODE; |
| 1224 | else if (!strcmp(latency_level, "ull-pp")) |
| 1225 | perf_mode = ULL_POST_PROCESSING_PCM_MODE; |
| 1226 | } |
| 1227 | } |
| 1228 | |
| 1229 | pdata = devm_kzalloc(&pdev->dev, |
| 1230 | sizeof(struct msm_plat_data), GFP_KERNEL); |
| 1231 | if (!pdata) |
| 1232 | return -ENOMEM; |
| 1233 | |
| 1234 | pdata->perf_mode = perf_mode; |
| 1235 | |
| 1236 | dev_set_drvdata(&pdev->dev, pdata); |
| 1237 | |
| 1238 | dev_dbg(&pdev->dev, "%s: dev name %s\n", |
| 1239 | __func__, dev_name(&pdev->dev)); |
| 1240 | dev_dbg(&pdev->dev, "Pull mode driver register\n"); |
| 1241 | rc = snd_soc_register_platform(&pdev->dev, |
| 1242 | &msm_soc_platform); |
| 1243 | |
| 1244 | if (rc) |
| 1245 | dev_err(&pdev->dev, "Failed to register pull mode driver\n"); |
| 1246 | |
| 1247 | return rc; |
| 1248 | } |
| 1249 | |
| 1250 | static int msm_pcm_remove(struct platform_device *pdev) |
| 1251 | { |
| 1252 | struct msm_plat_data *pdata; |
| 1253 | |
| 1254 | dev_dbg(&pdev->dev, "Pull mode remove\n"); |
| 1255 | pdata = dev_get_drvdata(&pdev->dev); |
| 1256 | devm_kfree(&pdev->dev, pdata); |
| 1257 | snd_soc_unregister_platform(&pdev->dev); |
| 1258 | return 0; |
| 1259 | } |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame] | 1260 | static const struct of_device_id msm_pcm_noirq_dt_match[] = { |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1261 | {.compatible = "qcom,msm-pcm-dsp-noirq"}, |
| 1262 | {} |
| 1263 | }; |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame] | 1264 | MODULE_DEVICE_TABLE(of, msm_pcm_noirq_dt_match); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1265 | |
| 1266 | static struct platform_driver msm_pcm_driver_noirq = { |
| 1267 | .driver = { |
| 1268 | .name = "msm-pcm-dsp-noirq", |
| 1269 | .owner = THIS_MODULE, |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame] | 1270 | .of_match_table = msm_pcm_noirq_dt_match, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1271 | }, |
| 1272 | .probe = msm_pcm_probe, |
| 1273 | .remove = msm_pcm_remove, |
| 1274 | }; |
| 1275 | |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame] | 1276 | int __init msm_pcm_noirq_init(void) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1277 | { |
| 1278 | return platform_driver_register(&msm_pcm_driver_noirq); |
| 1279 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1280 | |
Asish Bhattacharya | 5faacb3 | 2017-12-04 17:23:15 +0530 | [diff] [blame] | 1281 | void msm_pcm_noirq_exit(void) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1282 | { |
| 1283 | platform_driver_unregister(&msm_pcm_driver_noirq); |
| 1284 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1285 | |
| 1286 | MODULE_DESCRIPTION("PCM NOIRQ module platform driver"); |
| 1287 | MODULE_LICENSE("GPL v2"); |