Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 1 | /* |
| 2 | * skl-pcm.c -ASoC HDA Platform driver file implementing PCM functionality |
| 3 | * |
| 4 | * Copyright (C) 2014-2015 Intel Corp |
| 5 | * Author: Jeeja KP <jeeja.kp@intel.com> |
| 6 | * |
| 7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; version 2 of the License. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, but |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * General Public License for more details. |
| 17 | * |
| 18 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 19 | * |
| 20 | */ |
| 21 | |
| 22 | #include <linux/pci.h> |
| 23 | #include <linux/pm_runtime.h> |
| 24 | #include <sound/pcm_params.h> |
| 25 | #include <sound/soc.h> |
| 26 | #include "skl.h" |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 27 | #include "skl-topology.h" |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 28 | |
| 29 | #define HDA_MONO 1 |
| 30 | #define HDA_STEREO 2 |
| 31 | |
| 32 | static struct snd_pcm_hardware azx_pcm_hw = { |
| 33 | .info = (SNDRV_PCM_INFO_MMAP | |
| 34 | SNDRV_PCM_INFO_INTERLEAVED | |
| 35 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 36 | SNDRV_PCM_INFO_MMAP_VALID | |
| 37 | SNDRV_PCM_INFO_PAUSE | |
| 38 | SNDRV_PCM_INFO_SYNC_START | |
| 39 | SNDRV_PCM_INFO_HAS_WALL_CLOCK | /* legacy */ |
| 40 | SNDRV_PCM_INFO_HAS_LINK_ATIME | |
| 41 | SNDRV_PCM_INFO_NO_PERIOD_WAKEUP), |
| 42 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 43 | .rates = SNDRV_PCM_RATE_48000, |
| 44 | .rate_min = 48000, |
| 45 | .rate_max = 48000, |
| 46 | .channels_min = 2, |
| 47 | .channels_max = 2, |
| 48 | .buffer_bytes_max = AZX_MAX_BUF_SIZE, |
| 49 | .period_bytes_min = 128, |
| 50 | .period_bytes_max = AZX_MAX_BUF_SIZE / 2, |
| 51 | .periods_min = 2, |
| 52 | .periods_max = AZX_MAX_FRAG, |
| 53 | .fifo_size = 0, |
| 54 | }; |
| 55 | |
| 56 | static inline |
| 57 | struct hdac_ext_stream *get_hdac_ext_stream(struct snd_pcm_substream *substream) |
| 58 | { |
| 59 | return substream->runtime->private_data; |
| 60 | } |
| 61 | |
| 62 | static struct hdac_ext_bus *get_bus_ctx(struct snd_pcm_substream *substream) |
| 63 | { |
| 64 | struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
| 65 | struct hdac_stream *hstream = hdac_stream(stream); |
| 66 | struct hdac_bus *bus = hstream->bus; |
| 67 | |
| 68 | return hbus_to_ebus(bus); |
| 69 | } |
| 70 | |
| 71 | static int skl_substream_alloc_pages(struct hdac_ext_bus *ebus, |
| 72 | struct snd_pcm_substream *substream, |
| 73 | size_t size) |
| 74 | { |
| 75 | struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
| 76 | |
| 77 | hdac_stream(stream)->bufsize = 0; |
| 78 | hdac_stream(stream)->period_bytes = 0; |
| 79 | hdac_stream(stream)->format_val = 0; |
| 80 | |
| 81 | return snd_pcm_lib_malloc_pages(substream, size); |
| 82 | } |
| 83 | |
| 84 | static int skl_substream_free_pages(struct hdac_bus *bus, |
| 85 | struct snd_pcm_substream *substream) |
| 86 | { |
| 87 | return snd_pcm_lib_free_pages(substream); |
| 88 | } |
| 89 | |
| 90 | static void skl_set_pcm_constrains(struct hdac_ext_bus *ebus, |
| 91 | struct snd_pcm_runtime *runtime) |
| 92 | { |
| 93 | snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); |
| 94 | |
| 95 | /* avoid wrap-around with wall-clock */ |
| 96 | snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME, |
| 97 | 20, 178000000); |
| 98 | } |
| 99 | |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 100 | static enum hdac_ext_stream_type skl_get_host_stream_type(struct hdac_ext_bus *ebus) |
| 101 | { |
| 102 | if (ebus->ppcap) |
| 103 | return HDAC_EXT_STREAM_TYPE_HOST; |
| 104 | else |
| 105 | return HDAC_EXT_STREAM_TYPE_COUPLED; |
| 106 | } |
| 107 | |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 108 | static int skl_pcm_open(struct snd_pcm_substream *substream, |
| 109 | struct snd_soc_dai *dai) |
| 110 | { |
| 111 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); |
| 112 | struct hdac_ext_stream *stream; |
| 113 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 114 | struct skl_dma_params *dma_params; |
| 115 | int ret; |
| 116 | |
| 117 | dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); |
| 118 | ret = pm_runtime_get_sync(dai->dev); |
| 119 | if (ret) |
| 120 | return ret; |
| 121 | |
| 122 | stream = snd_hdac_ext_stream_assign(ebus, substream, |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 123 | skl_get_host_stream_type(ebus)); |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 124 | if (stream == NULL) |
| 125 | return -EBUSY; |
| 126 | |
| 127 | skl_set_pcm_constrains(ebus, runtime); |
| 128 | |
| 129 | /* |
| 130 | * disable WALLCLOCK timestamps for capture streams |
| 131 | * until we figure out how to handle digital inputs |
| 132 | */ |
| 133 | if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { |
| 134 | runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_WALL_CLOCK; /* legacy */ |
| 135 | runtime->hw.info &= ~SNDRV_PCM_INFO_HAS_LINK_ATIME; |
| 136 | } |
| 137 | |
| 138 | runtime->private_data = stream; |
| 139 | |
| 140 | dma_params = kzalloc(sizeof(*dma_params), GFP_KERNEL); |
| 141 | if (!dma_params) |
| 142 | return -ENOMEM; |
| 143 | |
| 144 | dma_params->stream_tag = hdac_stream(stream)->stream_tag; |
| 145 | snd_soc_dai_set_dma_data(dai, substream, dma_params); |
| 146 | |
| 147 | dev_dbg(dai->dev, "stream tag set in dma params=%d\n", |
| 148 | dma_params->stream_tag); |
| 149 | snd_pcm_set_sync(substream); |
| 150 | |
| 151 | return 0; |
| 152 | } |
| 153 | |
| 154 | static int skl_get_format(struct snd_pcm_substream *substream, |
| 155 | struct snd_soc_dai *dai) |
| 156 | { |
| 157 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
| 158 | struct skl_dma_params *dma_params; |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 159 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 160 | int format_val = 0; |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 161 | |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 162 | if (ebus->ppcap) { |
| 163 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 164 | |
| 165 | format_val = snd_hdac_calc_stream_format(runtime->rate, |
| 166 | runtime->channels, |
| 167 | runtime->format, |
| 168 | 32, 0); |
| 169 | } else { |
| 170 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 171 | |
| 172 | dma_params = snd_soc_dai_get_dma_data(codec_dai, substream); |
| 173 | if (dma_params) |
| 174 | format_val = dma_params->format; |
| 175 | } |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 176 | |
| 177 | return format_val; |
| 178 | } |
| 179 | |
| 180 | static int skl_pcm_prepare(struct snd_pcm_substream *substream, |
| 181 | struct snd_soc_dai *dai) |
| 182 | { |
| 183 | struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
| 184 | unsigned int format_val; |
| 185 | int err; |
| 186 | |
| 187 | dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); |
| 188 | if (hdac_stream(stream)->prepared) { |
| 189 | dev_dbg(dai->dev, "already stream is prepared - returning\n"); |
| 190 | return 0; |
| 191 | } |
| 192 | |
| 193 | format_val = skl_get_format(substream, dai); |
| 194 | dev_dbg(dai->dev, "stream_tag=%d formatvalue=%d\n", |
| 195 | hdac_stream(stream)->stream_tag, format_val); |
| 196 | snd_hdac_stream_reset(hdac_stream(stream)); |
| 197 | |
| 198 | err = snd_hdac_stream_set_params(hdac_stream(stream), format_val); |
| 199 | if (err < 0) |
| 200 | return err; |
| 201 | |
| 202 | err = snd_hdac_stream_setup(hdac_stream(stream)); |
| 203 | if (err < 0) |
| 204 | return err; |
| 205 | |
| 206 | hdac_stream(stream)->prepared = 1; |
| 207 | |
| 208 | return err; |
| 209 | } |
| 210 | |
| 211 | static int skl_pcm_hw_params(struct snd_pcm_substream *substream, |
| 212 | struct snd_pcm_hw_params *params, |
| 213 | struct snd_soc_dai *dai) |
| 214 | { |
| 215 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 216 | struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 217 | struct snd_pcm_runtime *runtime = substream->runtime; |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 218 | struct skl_pipe_params p_params = {0}; |
| 219 | struct skl_module_cfg *m_cfg; |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 220 | int ret, dma_id; |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 221 | |
| 222 | dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); |
| 223 | ret = skl_substream_alloc_pages(ebus, substream, |
| 224 | params_buffer_bytes(params)); |
| 225 | if (ret < 0) |
| 226 | return ret; |
| 227 | |
| 228 | dev_dbg(dai->dev, "format_val, rate=%d, ch=%d, format=%d\n", |
| 229 | runtime->rate, runtime->channels, runtime->format); |
| 230 | |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 231 | dma_id = hdac_stream(stream)->stream_tag - 1; |
| 232 | dev_dbg(dai->dev, "dma_id=%d\n", dma_id); |
| 233 | |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 234 | p_params.s_fmt = snd_pcm_format_width(params_format(params)); |
| 235 | p_params.ch = params_channels(params); |
| 236 | p_params.s_freq = params_rate(params); |
| 237 | p_params.host_dma_id = dma_id; |
| 238 | p_params.stream = substream->stream; |
| 239 | |
| 240 | m_cfg = skl_tplg_fe_get_cpr_module(dai, p_params.stream); |
| 241 | if (m_cfg) |
| 242 | skl_tplg_update_pipe_params(dai->dev, m_cfg, &p_params); |
| 243 | |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 244 | return 0; |
| 245 | } |
| 246 | |
| 247 | static void skl_pcm_close(struct snd_pcm_substream *substream, |
| 248 | struct snd_soc_dai *dai) |
| 249 | { |
| 250 | struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 251 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 252 | struct skl_dma_params *dma_params = NULL; |
| 253 | |
| 254 | dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 255 | |
| 256 | snd_hdac_ext_stream_release(stream, skl_get_host_stream_type(ebus)); |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 257 | |
| 258 | dma_params = snd_soc_dai_get_dma_data(dai, substream); |
| 259 | /* |
| 260 | * now we should set this to NULL as we are freeing by the |
| 261 | * dma_params |
| 262 | */ |
| 263 | snd_soc_dai_set_dma_data(dai, substream, NULL); |
| 264 | |
| 265 | pm_runtime_mark_last_busy(dai->dev); |
| 266 | pm_runtime_put_autosuspend(dai->dev); |
| 267 | kfree(dma_params); |
| 268 | } |
| 269 | |
| 270 | static int skl_pcm_hw_free(struct snd_pcm_substream *substream, |
| 271 | struct snd_soc_dai *dai) |
| 272 | { |
| 273 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); |
| 274 | struct hdac_ext_stream *stream = get_hdac_ext_stream(substream); |
| 275 | |
| 276 | dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); |
| 277 | |
| 278 | snd_hdac_stream_cleanup(hdac_stream(stream)); |
| 279 | hdac_stream(stream)->prepared = 0; |
| 280 | |
| 281 | return skl_substream_free_pages(ebus_to_hbus(ebus), substream); |
| 282 | } |
| 283 | |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 284 | static int skl_be_hw_params(struct snd_pcm_substream *substream, |
| 285 | struct snd_pcm_hw_params *params, |
| 286 | struct snd_soc_dai *dai) |
| 287 | { |
| 288 | struct skl_pipe_params p_params = {0}; |
| 289 | |
| 290 | p_params.s_fmt = snd_pcm_format_width(params_format(params)); |
| 291 | p_params.ch = params_channels(params); |
| 292 | p_params.s_freq = params_rate(params); |
| 293 | p_params.stream = substream->stream; |
| 294 | skl_tplg_be_update_params(dai, &p_params); |
| 295 | |
| 296 | return 0; |
| 297 | } |
| 298 | |
| 299 | static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd, |
| 300 | struct snd_soc_dai *dai) |
| 301 | { |
| 302 | struct skl *skl = get_skl_ctx(dai->dev); |
| 303 | struct skl_sst *ctx = skl->skl_sst; |
| 304 | struct skl_module_cfg *mconfig; |
| 305 | |
| 306 | mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream); |
| 307 | if (!mconfig) |
| 308 | return -EIO; |
| 309 | |
| 310 | switch (cmd) { |
| 311 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 312 | case SNDRV_PCM_TRIGGER_RESUME: |
| 313 | return skl_run_pipe(ctx, mconfig->pipe); |
| 314 | |
| 315 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 316 | case SNDRV_PCM_TRIGGER_SUSPEND: |
| 317 | return skl_stop_pipe(ctx, mconfig->pipe); |
| 318 | |
| 319 | default: |
| 320 | return 0; |
| 321 | } |
| 322 | } |
| 323 | |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 324 | static int skl_link_hw_params(struct snd_pcm_substream *substream, |
| 325 | struct snd_pcm_hw_params *params, |
| 326 | struct snd_soc_dai *dai) |
| 327 | { |
| 328 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); |
| 329 | struct hdac_ext_stream *link_dev; |
| 330 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
| 331 | struct skl_dma_params *dma_params; |
| 332 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 333 | struct skl_pipe_params p_params = {0}; |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 334 | |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 335 | link_dev = snd_hdac_ext_stream_assign(ebus, substream, |
| 336 | HDAC_EXT_STREAM_TYPE_LINK); |
| 337 | if (!link_dev) |
| 338 | return -EBUSY; |
| 339 | |
| 340 | snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev); |
| 341 | |
| 342 | /* set the stream tag in the codec dai dma params */ |
| 343 | dma_params = (struct skl_dma_params *) |
| 344 | snd_soc_dai_get_dma_data(codec_dai, substream); |
| 345 | if (dma_params) |
| 346 | dma_params->stream_tag = hdac_stream(link_dev)->stream_tag; |
| 347 | snd_soc_dai_set_dma_data(codec_dai, substream, (void *)dma_params); |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 348 | |
| 349 | p_params.s_fmt = snd_pcm_format_width(params_format(params)); |
| 350 | p_params.ch = params_channels(params); |
| 351 | p_params.s_freq = params_rate(params); |
| 352 | p_params.stream = substream->stream; |
| 353 | p_params.link_dma_id = hdac_stream(link_dev)->stream_tag - 1; |
| 354 | |
| 355 | skl_tplg_be_update_params(dai, &p_params); |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 356 | |
| 357 | return 0; |
| 358 | } |
| 359 | |
| 360 | static int skl_link_pcm_prepare(struct snd_pcm_substream *substream, |
| 361 | struct snd_soc_dai *dai) |
| 362 | { |
| 363 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
| 364 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); |
| 365 | struct hdac_ext_stream *link_dev = |
| 366 | snd_soc_dai_get_dma_data(dai, substream); |
| 367 | unsigned int format_val = 0; |
| 368 | struct skl_dma_params *dma_params; |
| 369 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 370 | struct hdac_ext_link *link; |
| 371 | |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 372 | if (link_dev->link_prepared) { |
| 373 | dev_dbg(dai->dev, "already stream is prepared - returning\n"); |
| 374 | return 0; |
| 375 | } |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 376 | |
| 377 | dma_params = (struct skl_dma_params *) |
| 378 | snd_soc_dai_get_dma_data(codec_dai, substream); |
| 379 | if (dma_params) |
| 380 | format_val = dma_params->format; |
| 381 | dev_dbg(dai->dev, "stream_tag=%d formatvalue=%d codec_dai_name=%s\n", |
| 382 | hdac_stream(link_dev)->stream_tag, format_val, codec_dai->name); |
| 383 | |
| 384 | snd_hdac_ext_link_stream_reset(link_dev); |
| 385 | |
| 386 | snd_hdac_ext_link_stream_setup(link_dev, format_val); |
| 387 | |
| 388 | link = snd_hdac_ext_bus_get_link(ebus, rtd->codec->component.name); |
| 389 | if (!link) |
| 390 | return -EINVAL; |
| 391 | |
| 392 | snd_hdac_ext_link_set_stream_id(link, hdac_stream(link_dev)->stream_tag); |
| 393 | link_dev->link_prepared = 1; |
| 394 | |
| 395 | return 0; |
| 396 | } |
| 397 | |
| 398 | static int skl_link_pcm_trigger(struct snd_pcm_substream *substream, |
| 399 | int cmd, struct snd_soc_dai *dai) |
| 400 | { |
| 401 | struct hdac_ext_stream *link_dev = |
| 402 | snd_soc_dai_get_dma_data(dai, substream); |
| 403 | |
| 404 | dev_dbg(dai->dev, "In %s cmd=%d\n", __func__, cmd); |
| 405 | switch (cmd) { |
| 406 | case SNDRV_PCM_TRIGGER_START: |
| 407 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 408 | case SNDRV_PCM_TRIGGER_RESUME: |
| 409 | snd_hdac_ext_link_stream_start(link_dev); |
| 410 | break; |
| 411 | |
| 412 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 413 | case SNDRV_PCM_TRIGGER_SUSPEND: |
| 414 | case SNDRV_PCM_TRIGGER_STOP: |
| 415 | snd_hdac_ext_link_stream_clear(link_dev); |
| 416 | break; |
| 417 | |
| 418 | default: |
| 419 | return -EINVAL; |
| 420 | } |
| 421 | return 0; |
| 422 | } |
| 423 | |
| 424 | static int skl_link_hw_free(struct snd_pcm_substream *substream, |
| 425 | struct snd_soc_dai *dai) |
| 426 | { |
| 427 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); |
| 428 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
| 429 | struct hdac_ext_stream *link_dev = |
| 430 | snd_soc_dai_get_dma_data(dai, substream); |
| 431 | struct hdac_ext_link *link; |
| 432 | |
| 433 | dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); |
| 434 | |
| 435 | link_dev->link_prepared = 0; |
| 436 | |
| 437 | link = snd_hdac_ext_bus_get_link(ebus, rtd->codec->component.name); |
| 438 | if (!link) |
| 439 | return -EINVAL; |
| 440 | |
| 441 | snd_hdac_ext_link_clear_stream_id(link, hdac_stream(link_dev)->stream_tag); |
| 442 | snd_hdac_ext_stream_release(link_dev, HDAC_EXT_STREAM_TYPE_LINK); |
| 443 | return 0; |
| 444 | } |
| 445 | |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 446 | static int skl_be_startup(struct snd_pcm_substream *substream, |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 447 | struct snd_soc_dai *dai) |
| 448 | { |
| 449 | return pm_runtime_get_sync(dai->dev); |
| 450 | } |
| 451 | |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 452 | static void skl_be_shutdown(struct snd_pcm_substream *substream, |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 453 | struct snd_soc_dai *dai) |
| 454 | { |
| 455 | pm_runtime_mark_last_busy(dai->dev); |
| 456 | pm_runtime_put_autosuspend(dai->dev); |
| 457 | } |
| 458 | |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 459 | static struct snd_soc_dai_ops skl_pcm_dai_ops = { |
| 460 | .startup = skl_pcm_open, |
| 461 | .shutdown = skl_pcm_close, |
| 462 | .prepare = skl_pcm_prepare, |
| 463 | .hw_params = skl_pcm_hw_params, |
| 464 | .hw_free = skl_pcm_hw_free, |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 465 | .trigger = skl_pcm_trigger, |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 466 | }; |
| 467 | |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 468 | static struct snd_soc_dai_ops skl_dmic_dai_ops = { |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 469 | .startup = skl_be_startup, |
| 470 | .hw_params = skl_be_hw_params, |
| 471 | .shutdown = skl_be_shutdown, |
| 472 | }; |
| 473 | |
| 474 | static struct snd_soc_dai_ops skl_be_ssp_dai_ops = { |
| 475 | .startup = skl_be_startup, |
| 476 | .hw_params = skl_be_hw_params, |
| 477 | .shutdown = skl_be_shutdown, |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 478 | }; |
| 479 | |
| 480 | static struct snd_soc_dai_ops skl_link_dai_ops = { |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 481 | .startup = skl_be_startup, |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 482 | .prepare = skl_link_pcm_prepare, |
| 483 | .hw_params = skl_link_hw_params, |
| 484 | .hw_free = skl_link_hw_free, |
| 485 | .trigger = skl_link_pcm_trigger, |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 486 | .shutdown = skl_be_shutdown, |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 487 | }; |
| 488 | |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 489 | static struct snd_soc_dai_driver skl_platform_dai[] = { |
| 490 | { |
| 491 | .name = "System Pin", |
| 492 | .ops = &skl_pcm_dai_ops, |
| 493 | .playback = { |
| 494 | .stream_name = "System Playback", |
| 495 | .channels_min = HDA_MONO, |
| 496 | .channels_max = HDA_STEREO, |
| 497 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_8000, |
| 498 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
| 499 | }, |
| 500 | .capture = { |
| 501 | .stream_name = "System Capture", |
| 502 | .channels_min = HDA_MONO, |
| 503 | .channels_max = HDA_STEREO, |
| 504 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, |
| 505 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
| 506 | }, |
| 507 | }, |
| 508 | { |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 509 | .name = "Reference Pin", |
| 510 | .ops = &skl_pcm_dai_ops, |
| 511 | .capture = { |
| 512 | .stream_name = "Reference Capture", |
| 513 | .channels_min = HDA_MONO, |
| 514 | .channels_max = HDA_STEREO, |
| 515 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, |
| 516 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
| 517 | }, |
| 518 | }, |
| 519 | { |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 520 | .name = "Deepbuffer Pin", |
| 521 | .ops = &skl_pcm_dai_ops, |
| 522 | .playback = { |
| 523 | .stream_name = "Deepbuffer Playback", |
| 524 | .channels_min = HDA_STEREO, |
| 525 | .channels_max = HDA_STEREO, |
| 526 | .rates = SNDRV_PCM_RATE_48000, |
| 527 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
| 528 | }, |
| 529 | }, |
| 530 | { |
| 531 | .name = "LowLatency Pin", |
| 532 | .ops = &skl_pcm_dai_ops, |
| 533 | .playback = { |
| 534 | .stream_name = "Low Latency Playback", |
| 535 | .channels_min = HDA_STEREO, |
| 536 | .channels_max = HDA_STEREO, |
| 537 | .rates = SNDRV_PCM_RATE_48000, |
| 538 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
| 539 | }, |
| 540 | }, |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 541 | /* BE CPU Dais */ |
| 542 | { |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 543 | .name = "SSP0 Pin", |
| 544 | .ops = &skl_be_ssp_dai_ops, |
| 545 | .playback = { |
| 546 | .stream_name = "ssp0 Tx", |
| 547 | .channels_min = HDA_STEREO, |
| 548 | .channels_max = HDA_STEREO, |
| 549 | .rates = SNDRV_PCM_RATE_48000, |
| 550 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 551 | }, |
| 552 | .capture = { |
| 553 | .stream_name = "ssp0 Rx", |
| 554 | .channels_min = HDA_STEREO, |
| 555 | .channels_max = HDA_STEREO, |
| 556 | .rates = SNDRV_PCM_RATE_48000, |
| 557 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 558 | }, |
| 559 | }, |
| 560 | { |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 561 | .name = "iDisp Pin", |
| 562 | .ops = &skl_link_dai_ops, |
| 563 | .playback = { |
| 564 | .stream_name = "iDisp Tx", |
| 565 | .channels_min = HDA_STEREO, |
| 566 | .channels_max = HDA_STEREO, |
| 567 | .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000, |
| 568 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 569 | }, |
| 570 | }, |
| 571 | { |
| 572 | .name = "DMIC01 Pin", |
| 573 | .ops = &skl_dmic_dai_ops, |
| 574 | .capture = { |
| 575 | .stream_name = "DMIC01 Rx", |
| 576 | .channels_min = HDA_STEREO, |
| 577 | .channels_max = HDA_STEREO, |
| 578 | .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, |
| 579 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
| 580 | }, |
| 581 | }, |
| 582 | { |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 583 | .name = "HD-Codec Pin", |
| 584 | .ops = &skl_link_dai_ops, |
| 585 | .playback = { |
| 586 | .stream_name = "HD-Codec Tx", |
| 587 | .channels_min = HDA_STEREO, |
| 588 | .channels_max = HDA_STEREO, |
| 589 | .rates = SNDRV_PCM_RATE_48000, |
| 590 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 591 | }, |
| 592 | .capture = { |
| 593 | .stream_name = "HD-Codec Rx", |
| 594 | .channels_min = HDA_STEREO, |
| 595 | .channels_max = HDA_STEREO, |
| 596 | .rates = SNDRV_PCM_RATE_48000, |
| 597 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 598 | }, |
| 599 | }, |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 600 | }; |
| 601 | |
| 602 | static int skl_platform_open(struct snd_pcm_substream *substream) |
| 603 | { |
| 604 | struct snd_pcm_runtime *runtime; |
| 605 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 606 | struct snd_soc_dai_link *dai_link = rtd->dai_link; |
| 607 | |
| 608 | dev_dbg(rtd->cpu_dai->dev, "In %s:%s\n", __func__, |
| 609 | dai_link->cpu_dai_name); |
| 610 | |
| 611 | runtime = substream->runtime; |
| 612 | snd_soc_set_runtime_hwparams(substream, &azx_pcm_hw); |
| 613 | |
| 614 | return 0; |
| 615 | } |
| 616 | |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 617 | static int skl_coupled_trigger(struct snd_pcm_substream *substream, |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 618 | int cmd) |
| 619 | { |
| 620 | struct hdac_ext_bus *ebus = get_bus_ctx(substream); |
| 621 | struct hdac_bus *bus = ebus_to_hbus(ebus); |
| 622 | struct hdac_ext_stream *stream; |
| 623 | struct snd_pcm_substream *s; |
| 624 | bool start; |
| 625 | int sbits = 0; |
| 626 | unsigned long cookie; |
| 627 | struct hdac_stream *hstr; |
| 628 | |
| 629 | stream = get_hdac_ext_stream(substream); |
| 630 | hstr = hdac_stream(stream); |
| 631 | |
| 632 | dev_dbg(bus->dev, "In %s cmd=%d\n", __func__, cmd); |
| 633 | |
| 634 | if (!hstr->prepared) |
| 635 | return -EPIPE; |
| 636 | |
| 637 | switch (cmd) { |
| 638 | case SNDRV_PCM_TRIGGER_START: |
| 639 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 640 | case SNDRV_PCM_TRIGGER_RESUME: |
| 641 | start = true; |
| 642 | break; |
| 643 | |
| 644 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 645 | case SNDRV_PCM_TRIGGER_SUSPEND: |
| 646 | case SNDRV_PCM_TRIGGER_STOP: |
| 647 | start = false; |
| 648 | break; |
| 649 | |
| 650 | default: |
| 651 | return -EINVAL; |
| 652 | } |
| 653 | |
| 654 | snd_pcm_group_for_each_entry(s, substream) { |
| 655 | if (s->pcm->card != substream->pcm->card) |
| 656 | continue; |
| 657 | stream = get_hdac_ext_stream(s); |
| 658 | sbits |= 1 << hdac_stream(stream)->index; |
| 659 | snd_pcm_trigger_done(s, substream); |
| 660 | } |
| 661 | |
| 662 | spin_lock_irqsave(&bus->reg_lock, cookie); |
| 663 | |
| 664 | /* first, set SYNC bits of corresponding streams */ |
| 665 | snd_hdac_stream_sync_trigger(hstr, true, sbits, AZX_REG_SSYNC); |
| 666 | |
| 667 | snd_pcm_group_for_each_entry(s, substream) { |
| 668 | if (s->pcm->card != substream->pcm->card) |
| 669 | continue; |
| 670 | stream = get_hdac_ext_stream(s); |
| 671 | if (start) |
| 672 | snd_hdac_stream_start(hdac_stream(stream), true); |
| 673 | else |
| 674 | snd_hdac_stream_stop(hdac_stream(stream)); |
| 675 | } |
| 676 | spin_unlock_irqrestore(&bus->reg_lock, cookie); |
| 677 | |
| 678 | snd_hdac_stream_sync(hstr, start, sbits); |
| 679 | |
| 680 | spin_lock_irqsave(&bus->reg_lock, cookie); |
| 681 | |
| 682 | /* reset SYNC bits */ |
| 683 | snd_hdac_stream_sync_trigger(hstr, false, sbits, AZX_REG_SSYNC); |
| 684 | if (start) |
| 685 | snd_hdac_stream_timecounter_init(hstr, sbits); |
| 686 | spin_unlock_irqrestore(&bus->reg_lock, cookie); |
| 687 | |
| 688 | return 0; |
| 689 | } |
| 690 | |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 691 | static int skl_decoupled_trigger(struct snd_pcm_substream *substream, |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 692 | int cmd) |
| 693 | { |
| 694 | struct hdac_ext_bus *ebus = get_bus_ctx(substream); |
| 695 | struct hdac_bus *bus = ebus_to_hbus(ebus); |
| 696 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
| 697 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 698 | struct hdac_ext_stream *stream; |
| 699 | int start; |
| 700 | unsigned long cookie; |
| 701 | struct hdac_stream *hstr; |
| 702 | |
| 703 | dev_dbg(bus->dev, "In %s cmd=%d streamname=%s\n", __func__, cmd, cpu_dai->name); |
| 704 | |
| 705 | stream = get_hdac_ext_stream(substream); |
| 706 | hstr = hdac_stream(stream); |
| 707 | |
| 708 | if (!hstr->prepared) |
| 709 | return -EPIPE; |
| 710 | |
| 711 | switch (cmd) { |
| 712 | case SNDRV_PCM_TRIGGER_START: |
| 713 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 714 | case SNDRV_PCM_TRIGGER_RESUME: |
| 715 | start = 1; |
| 716 | break; |
| 717 | |
| 718 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 719 | case SNDRV_PCM_TRIGGER_SUSPEND: |
| 720 | case SNDRV_PCM_TRIGGER_STOP: |
| 721 | start = 0; |
| 722 | break; |
| 723 | |
| 724 | default: |
| 725 | return -EINVAL; |
| 726 | } |
| 727 | |
| 728 | spin_lock_irqsave(&bus->reg_lock, cookie); |
| 729 | |
| 730 | if (start) |
| 731 | snd_hdac_stream_start(hdac_stream(stream), true); |
| 732 | else |
| 733 | snd_hdac_stream_stop(hdac_stream(stream)); |
| 734 | |
| 735 | if (start) |
| 736 | snd_hdac_stream_timecounter_init(hstr, 0); |
| 737 | |
| 738 | spin_unlock_irqrestore(&bus->reg_lock, cookie); |
| 739 | |
| 740 | return 0; |
| 741 | } |
| 742 | static int skl_platform_pcm_trigger(struct snd_pcm_substream *substream, |
| 743 | int cmd) |
| 744 | { |
| 745 | struct hdac_ext_bus *ebus = get_bus_ctx(substream); |
| 746 | |
| 747 | if (ebus->ppcap) |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 748 | return skl_decoupled_trigger(substream, cmd); |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 749 | else |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 750 | return skl_coupled_trigger(substream, cmd); |
Jeeja KP | 0505700 | 2015-07-09 15:20:11 +0530 | [diff] [blame] | 751 | } |
| 752 | |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 753 | /* calculate runtime delay from LPIB */ |
| 754 | static int skl_get_delay_from_lpib(struct hdac_ext_bus *ebus, |
| 755 | struct hdac_ext_stream *sstream, |
| 756 | unsigned int pos) |
| 757 | { |
| 758 | struct hdac_bus *bus = ebus_to_hbus(ebus); |
| 759 | struct hdac_stream *hstream = hdac_stream(sstream); |
| 760 | struct snd_pcm_substream *substream = hstream->substream; |
| 761 | int stream = substream->stream; |
| 762 | unsigned int lpib_pos = snd_hdac_stream_get_pos_lpib(hstream); |
| 763 | int delay; |
| 764 | |
| 765 | if (stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 766 | delay = pos - lpib_pos; |
| 767 | else |
| 768 | delay = lpib_pos - pos; |
| 769 | |
| 770 | if (delay < 0) { |
| 771 | if (delay >= hstream->delay_negative_threshold) |
| 772 | delay = 0; |
| 773 | else |
| 774 | delay += hstream->bufsize; |
| 775 | } |
| 776 | |
| 777 | if (delay >= hstream->period_bytes) { |
| 778 | dev_info(bus->dev, |
| 779 | "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n", |
| 780 | delay, hstream->period_bytes); |
| 781 | delay = 0; |
| 782 | } |
| 783 | |
| 784 | return bytes_to_frames(substream->runtime, delay); |
| 785 | } |
| 786 | |
| 787 | static unsigned int skl_get_position(struct hdac_ext_stream *hstream, |
| 788 | int codec_delay) |
| 789 | { |
| 790 | struct hdac_stream *hstr = hdac_stream(hstream); |
| 791 | struct snd_pcm_substream *substream = hstr->substream; |
| 792 | struct hdac_ext_bus *ebus = get_bus_ctx(substream); |
| 793 | unsigned int pos; |
| 794 | int delay; |
| 795 | |
| 796 | /* use the position buffer as default */ |
| 797 | pos = snd_hdac_stream_get_pos_posbuf(hdac_stream(hstream)); |
| 798 | |
| 799 | if (pos >= hdac_stream(hstream)->bufsize) |
| 800 | pos = 0; |
| 801 | |
| 802 | if (substream->runtime) { |
| 803 | delay = skl_get_delay_from_lpib(ebus, hstream, pos) |
| 804 | + codec_delay; |
| 805 | substream->runtime->delay += delay; |
| 806 | } |
| 807 | |
| 808 | return pos; |
| 809 | } |
| 810 | |
| 811 | static snd_pcm_uframes_t skl_platform_pcm_pointer |
| 812 | (struct snd_pcm_substream *substream) |
| 813 | { |
| 814 | struct hdac_ext_stream *hstream = get_hdac_ext_stream(substream); |
| 815 | |
| 816 | return bytes_to_frames(substream->runtime, |
| 817 | skl_get_position(hstream, 0)); |
| 818 | } |
| 819 | |
| 820 | static u64 skl_adjust_codec_delay(struct snd_pcm_substream *substream, |
| 821 | u64 nsec) |
| 822 | { |
| 823 | struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream); |
| 824 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 825 | u64 codec_frames, codec_nsecs; |
| 826 | |
| 827 | if (!codec_dai->driver->ops->delay) |
| 828 | return nsec; |
| 829 | |
| 830 | codec_frames = codec_dai->driver->ops->delay(substream, codec_dai); |
| 831 | codec_nsecs = div_u64(codec_frames * 1000000000LL, |
| 832 | substream->runtime->rate); |
| 833 | |
| 834 | if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) |
| 835 | return nsec + codec_nsecs; |
| 836 | |
| 837 | return (nsec > codec_nsecs) ? nsec - codec_nsecs : 0; |
| 838 | } |
| 839 | |
| 840 | static int skl_get_time_info(struct snd_pcm_substream *substream, |
| 841 | struct timespec *system_ts, struct timespec *audio_ts, |
| 842 | struct snd_pcm_audio_tstamp_config *audio_tstamp_config, |
| 843 | struct snd_pcm_audio_tstamp_report *audio_tstamp_report) |
| 844 | { |
| 845 | struct hdac_ext_stream *sstream = get_hdac_ext_stream(substream); |
| 846 | struct hdac_stream *hstr = hdac_stream(sstream); |
| 847 | u64 nsec; |
| 848 | |
| 849 | if ((substream->runtime->hw.info & SNDRV_PCM_INFO_HAS_LINK_ATIME) && |
| 850 | (audio_tstamp_config->type_requested == SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK)) { |
| 851 | |
| 852 | snd_pcm_gettime(substream->runtime, system_ts); |
| 853 | |
| 854 | nsec = timecounter_read(&hstr->tc); |
| 855 | nsec = div_u64(nsec, 3); /* can be optimized */ |
| 856 | if (audio_tstamp_config->report_delay) |
| 857 | nsec = skl_adjust_codec_delay(substream, nsec); |
| 858 | |
| 859 | *audio_ts = ns_to_timespec(nsec); |
| 860 | |
| 861 | audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK; |
| 862 | audio_tstamp_report->accuracy_report = 1; /* rest of struct is valid */ |
| 863 | audio_tstamp_report->accuracy = 42; /* 24MHzWallClk == 42ns resolution */ |
| 864 | |
| 865 | } else { |
| 866 | audio_tstamp_report->actual_type = SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT; |
| 867 | } |
| 868 | |
| 869 | return 0; |
| 870 | } |
| 871 | |
| 872 | static struct snd_pcm_ops skl_platform_ops = { |
| 873 | .open = skl_platform_open, |
| 874 | .ioctl = snd_pcm_lib_ioctl, |
| 875 | .trigger = skl_platform_pcm_trigger, |
| 876 | .pointer = skl_platform_pcm_pointer, |
| 877 | .get_time_info = skl_get_time_info, |
| 878 | .mmap = snd_pcm_lib_default_mmap, |
| 879 | .page = snd_pcm_sgbuf_ops_page, |
| 880 | }; |
| 881 | |
| 882 | static void skl_pcm_free(struct snd_pcm *pcm) |
| 883 | { |
| 884 | snd_pcm_lib_preallocate_free_for_all(pcm); |
| 885 | } |
| 886 | |
| 887 | #define MAX_PREALLOC_SIZE (32 * 1024 * 1024) |
| 888 | |
| 889 | static int skl_pcm_new(struct snd_soc_pcm_runtime *rtd) |
| 890 | { |
| 891 | struct snd_soc_dai *dai = rtd->cpu_dai; |
| 892 | struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); |
| 893 | struct snd_pcm *pcm = rtd->pcm; |
| 894 | unsigned int size; |
| 895 | int retval = 0; |
| 896 | struct skl *skl = ebus_to_skl(ebus); |
| 897 | |
| 898 | if (dai->driver->playback.channels_min || |
| 899 | dai->driver->capture.channels_min) { |
| 900 | /* buffer pre-allocation */ |
| 901 | size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024; |
| 902 | if (size > MAX_PREALLOC_SIZE) |
| 903 | size = MAX_PREALLOC_SIZE; |
| 904 | retval = snd_pcm_lib_preallocate_pages_for_all(pcm, |
| 905 | SNDRV_DMA_TYPE_DEV_SG, |
| 906 | snd_dma_pci_data(skl->pci), |
| 907 | size, MAX_PREALLOC_SIZE); |
| 908 | if (retval) { |
| 909 | dev_err(dai->dev, "dma buffer allocationf fail\n"); |
| 910 | return retval; |
| 911 | } |
| 912 | } |
| 913 | |
| 914 | return retval; |
| 915 | } |
| 916 | |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 917 | static int skl_platform_soc_probe(struct snd_soc_platform *platform) |
| 918 | { |
| 919 | struct hdac_ext_bus *ebus = dev_get_drvdata(platform->dev); |
| 920 | |
| 921 | if (ebus->ppcap) |
| 922 | return skl_tplg_init(platform, ebus); |
| 923 | |
| 924 | return 0; |
| 925 | } |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 926 | static struct snd_soc_platform_driver skl_platform_drv = { |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 927 | .probe = skl_platform_soc_probe, |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 928 | .ops = &skl_platform_ops, |
| 929 | .pcm_new = skl_pcm_new, |
| 930 | .pcm_free = skl_pcm_free, |
| 931 | }; |
| 932 | |
| 933 | static const struct snd_soc_component_driver skl_component = { |
| 934 | .name = "pcm", |
| 935 | }; |
| 936 | |
| 937 | int skl_platform_register(struct device *dev) |
| 938 | { |
| 939 | int ret; |
Jeeja KP | b663a8c | 2015-10-07 11:31:57 +0100 | [diff] [blame^] | 940 | struct hdac_ext_bus *ebus = dev_get_drvdata(dev); |
| 941 | struct skl *skl = ebus_to_skl(ebus); |
| 942 | |
| 943 | INIT_LIST_HEAD(&skl->ppl_list); |
| 944 | INIT_LIST_HEAD(&skl->dapm_path_list); |
Jeeja KP | a40e693 | 2015-07-09 15:20:08 +0530 | [diff] [blame] | 945 | |
| 946 | ret = snd_soc_register_platform(dev, &skl_platform_drv); |
| 947 | if (ret) { |
| 948 | dev_err(dev, "soc platform registration failed %d\n", ret); |
| 949 | return ret; |
| 950 | } |
| 951 | ret = snd_soc_register_component(dev, &skl_component, |
| 952 | skl_platform_dai, |
| 953 | ARRAY_SIZE(skl_platform_dai)); |
| 954 | if (ret) { |
| 955 | dev_err(dev, "soc component registration failed %d\n", ret); |
| 956 | snd_soc_unregister_platform(dev); |
| 957 | } |
| 958 | |
| 959 | return ret; |
| 960 | |
| 961 | } |
| 962 | |
| 963 | int skl_platform_unregister(struct device *dev) |
| 964 | { |
| 965 | snd_soc_unregister_component(dev); |
| 966 | snd_soc_unregister_platform(dev); |
| 967 | return 0; |
| 968 | } |