Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 1 | /* |
| 2 | * soc-compress.c -- ALSA SoC Compress |
| 3 | * |
| 4 | * Copyright (C) 2012 Intel Corp. |
| 5 | * |
| 6 | * Authors: Namarta Kohli <namartax.kohli@intel.com> |
| 7 | * Ramesh Babu K V <ramesh.babu@linux.intel.com> |
| 8 | * Vinod Koul <vinod.koul@linux.intel.com> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify it |
| 11 | * under the terms of the GNU General Public License as published by the |
| 12 | * Free Software Foundation; either version 2 of the License, or (at your |
| 13 | * option) any later version. |
| 14 | * |
| 15 | */ |
| 16 | |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/init.h> |
| 19 | #include <linux/delay.h> |
| 20 | #include <linux/slab.h> |
| 21 | #include <linux/workqueue.h> |
| 22 | #include <sound/core.h> |
| 23 | #include <sound/compress_params.h> |
| 24 | #include <sound/compress_driver.h> |
| 25 | #include <sound/soc.h> |
| 26 | #include <sound/initval.h> |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 27 | #include <sound/soc-dpcm.h> |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 28 | |
| 29 | static int soc_compr_open(struct snd_compr_stream *cstream) |
| 30 | { |
| 31 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 32 | struct snd_soc_platform *platform = rtd->platform; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 33 | int ret = 0; |
| 34 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 35 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
| 36 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 37 | if (platform->driver->compr_ops && platform->driver->compr_ops->open) { |
| 38 | ret = platform->driver->compr_ops->open(cstream); |
| 39 | if (ret < 0) { |
Lars-Peter Clausen | f433320 | 2014-06-16 18:13:02 +0200 | [diff] [blame] | 40 | pr_err("compress asoc: can't open platform %s\n", |
| 41 | platform->component.name); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 42 | goto out; |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->startup) { |
| 47 | ret = rtd->dai_link->compr_ops->startup(cstream); |
| 48 | if (ret < 0) { |
| 49 | pr_err("compress asoc: %s startup failed\n", rtd->dai_link->name); |
| 50 | goto machine_err; |
| 51 | } |
| 52 | } |
| 53 | |
Lars-Peter Clausen | 24894b7 | 2014-03-05 13:17:43 +0100 | [diff] [blame] | 54 | snd_soc_runtime_activate(rtd, cstream->direction); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 55 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 56 | mutex_unlock(&rtd->pcm_mutex); |
| 57 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 58 | return 0; |
| 59 | |
| 60 | machine_err: |
| 61 | if (platform->driver->compr_ops && platform->driver->compr_ops->free) |
| 62 | platform->driver->compr_ops->free(cstream); |
| 63 | out: |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 64 | mutex_unlock(&rtd->pcm_mutex); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 65 | return ret; |
| 66 | } |
| 67 | |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 68 | static int soc_compr_open_fe(struct snd_compr_stream *cstream) |
| 69 | { |
| 70 | struct snd_soc_pcm_runtime *fe = cstream->private_data; |
Satish Babu Patakokila | 6fa092d | 2016-08-04 18:31:48 +0530 | [diff] [blame] | 71 | struct snd_pcm_substream *fe_substream = |
| 72 | fe->pcm->streams[cstream->direction].substream; |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 73 | struct snd_soc_platform *platform = fe->platform; |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 74 | struct snd_soc_dpcm *dpcm; |
| 75 | struct snd_soc_dapm_widget_list *list; |
| 76 | int stream; |
| 77 | int ret = 0; |
| 78 | |
| 79 | if (cstream->direction == SND_COMPRESS_PLAYBACK) |
| 80 | stream = SNDRV_PCM_STREAM_PLAYBACK; |
| 81 | else |
| 82 | stream = SNDRV_PCM_STREAM_CAPTURE; |
| 83 | |
| 84 | mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); |
| 85 | |
| 86 | if (platform->driver->compr_ops && platform->driver->compr_ops->open) { |
| 87 | ret = platform->driver->compr_ops->open(cstream); |
| 88 | if (ret < 0) { |
Lars-Peter Clausen | f433320 | 2014-06-16 18:13:02 +0200 | [diff] [blame] | 89 | pr_err("compress asoc: can't open platform %s\n", |
| 90 | platform->component.name); |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 91 | goto out; |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->startup) { |
| 96 | ret = fe->dai_link->compr_ops->startup(cstream); |
| 97 | if (ret < 0) { |
| 98 | pr_err("compress asoc: %s startup failed\n", fe->dai_link->name); |
| 99 | goto machine_err; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | fe->dpcm[stream].runtime = fe_substream->runtime; |
| 104 | |
Qiao Zhou | 8f70e51 | 2014-09-10 17:54:07 +0800 | [diff] [blame] | 105 | ret = dpcm_path_get(fe, stream, &list); |
Qiao Zhou | 2e4ec1c | 2014-09-12 09:41:31 +0800 | [diff] [blame] | 106 | if (ret < 0) |
Qiao Zhou | 8f70e51 | 2014-09-10 17:54:07 +0800 | [diff] [blame] | 107 | goto fe_err; |
Qiao Zhou | 2e4ec1c | 2014-09-12 09:41:31 +0800 | [diff] [blame] | 108 | else if (ret == 0) |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 109 | dev_dbg(fe->dev, "ASoC: %s no valid %s route\n", |
| 110 | fe->dai_link->name, stream ? "capture" : "playback"); |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 111 | |
| 112 | /* calculate valid and active FE <-> BE dpcms */ |
| 113 | dpcm_process_paths(fe, stream, &list, 1); |
| 114 | |
| 115 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; |
| 116 | |
| 117 | ret = dpcm_be_dai_startup(fe, stream); |
| 118 | if (ret < 0) { |
| 119 | /* clean up all links */ |
| 120 | list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) |
| 121 | dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE; |
| 122 | |
| 123 | dpcm_be_disconnect(fe, stream); |
| 124 | fe->dpcm[stream].runtime = NULL; |
Charles Keepax | b0f12c6 | 2016-08-16 11:24:46 +0100 | [diff] [blame] | 125 | goto path_err; |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 126 | } |
| 127 | |
| 128 | dpcm_clear_pending_state(fe, stream); |
| 129 | dpcm_path_put(&list); |
| 130 | |
| 131 | fe->dpcm[stream].state = SND_SOC_DPCM_STATE_OPEN; |
| 132 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; |
| 133 | |
Lars-Peter Clausen | 24894b7 | 2014-03-05 13:17:43 +0100 | [diff] [blame] | 134 | snd_soc_runtime_activate(fe, stream); |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 135 | |
| 136 | mutex_unlock(&fe->card->mutex); |
| 137 | |
| 138 | return 0; |
| 139 | |
Charles Keepax | b0f12c6 | 2016-08-16 11:24:46 +0100 | [diff] [blame] | 140 | path_err: |
| 141 | dpcm_path_put(&list); |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 142 | fe_err: |
| 143 | if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown) |
| 144 | fe->dai_link->compr_ops->shutdown(cstream); |
| 145 | machine_err: |
| 146 | if (platform->driver->compr_ops && platform->driver->compr_ops->free) |
| 147 | platform->driver->compr_ops->free(cstream); |
| 148 | out: |
| 149 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; |
| 150 | mutex_unlock(&fe->card->mutex); |
| 151 | return ret; |
| 152 | } |
| 153 | |
Charles Keepax | 202c8f7 | 2013-01-24 09:44:30 +0000 | [diff] [blame] | 154 | /* |
| 155 | * Power down the audio subsystem pmdown_time msecs after close is called. |
| 156 | * This is to ensure there are no pops or clicks in between any music tracks |
| 157 | * due to DAPM power cycling. |
| 158 | */ |
| 159 | static void close_delayed_work(struct work_struct *work) |
| 160 | { |
| 161 | struct snd_soc_pcm_runtime *rtd = |
| 162 | container_of(work, struct snd_soc_pcm_runtime, delayed_work.work); |
| 163 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 164 | |
| 165 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
| 166 | |
| 167 | dev_dbg(rtd->dev, "ASoC: pop wq checking: %s status: %s waiting: %s\n", |
| 168 | codec_dai->driver->playback.stream_name, |
| 169 | codec_dai->playback_active ? "active" : "inactive", |
| 170 | rtd->pop_wait ? "yes" : "no"); |
| 171 | |
| 172 | /* are we waiting on this codec DAI stream */ |
| 173 | if (rtd->pop_wait == 1) { |
| 174 | rtd->pop_wait = 0; |
| 175 | snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, |
| 176 | SND_SOC_DAPM_STREAM_STOP); |
| 177 | } |
| 178 | |
| 179 | mutex_unlock(&rtd->pcm_mutex); |
| 180 | } |
| 181 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 182 | static int soc_compr_free(struct snd_compr_stream *cstream) |
| 183 | { |
| 184 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 185 | struct snd_soc_platform *platform = rtd->platform; |
| 186 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 187 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Lars-Peter Clausen | 24894b7 | 2014-03-05 13:17:43 +0100 | [diff] [blame] | 188 | int stream; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 189 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 190 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
| 191 | |
Lars-Peter Clausen | 24894b7 | 2014-03-05 13:17:43 +0100 | [diff] [blame] | 192 | if (cstream->direction == SND_COMPRESS_PLAYBACK) |
| 193 | stream = SNDRV_PCM_STREAM_PLAYBACK; |
| 194 | else |
| 195 | stream = SNDRV_PCM_STREAM_CAPTURE; |
| 196 | |
| 197 | snd_soc_runtime_deactivate(rtd, stream); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 198 | |
Mark Brown | da18396 | 2013-02-06 15:44:07 +0000 | [diff] [blame] | 199 | snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction); |
| 200 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 201 | if (!cpu_dai->active) |
| 202 | cpu_dai->rate = 0; |
| 203 | |
| 204 | if (!codec_dai->active) |
| 205 | codec_dai->rate = 0; |
| 206 | |
| 207 | |
| 208 | if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->shutdown) |
| 209 | rtd->dai_link->compr_ops->shutdown(cstream); |
| 210 | |
| 211 | if (platform->driver->compr_ops && platform->driver->compr_ops->free) |
| 212 | platform->driver->compr_ops->free(cstream); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 213 | |
| 214 | if (cstream->direction == SND_COMPRESS_PLAYBACK) { |
Lars-Peter Clausen | 208a158 | 2014-03-05 13:17:42 +0100 | [diff] [blame] | 215 | if (snd_soc_runtime_ignore_pmdown_time(rtd)) { |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 216 | snd_soc_dapm_stream_event(rtd, |
| 217 | SNDRV_PCM_STREAM_PLAYBACK, |
| 218 | SND_SOC_DAPM_STREAM_STOP); |
Charles Keepax | 8c3d2aa | 2013-01-24 09:44:28 +0000 | [diff] [blame] | 219 | } else { |
Misael Lopez Cruz | 9bffb1f | 2012-12-13 12:23:05 -0600 | [diff] [blame] | 220 | rtd->pop_wait = 1; |
Mark Brown | 3d24cfe | 2013-08-09 18:12:29 +0100 | [diff] [blame] | 221 | queue_delayed_work(system_power_efficient_wq, |
| 222 | &rtd->delayed_work, |
| 223 | msecs_to_jiffies(rtd->pmdown_time)); |
Charles Keepax | 8c3d2aa | 2013-01-24 09:44:28 +0000 | [diff] [blame] | 224 | } |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 225 | } else { |
| 226 | /* capture streams can be powered down now */ |
| 227 | snd_soc_dapm_stream_event(rtd, |
| 228 | SNDRV_PCM_STREAM_CAPTURE, |
| 229 | SND_SOC_DAPM_STREAM_STOP); |
| 230 | } |
| 231 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 232 | mutex_unlock(&rtd->pcm_mutex); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 233 | return 0; |
| 234 | } |
| 235 | |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 236 | static int soc_compr_free_fe(struct snd_compr_stream *cstream) |
| 237 | { |
| 238 | struct snd_soc_pcm_runtime *fe = cstream->private_data; |
| 239 | struct snd_soc_platform *platform = fe->platform; |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 240 | struct snd_soc_dpcm *dpcm; |
| 241 | int stream, ret; |
| 242 | |
| 243 | mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); |
| 244 | |
Lars-Peter Clausen | 24894b7 | 2014-03-05 13:17:43 +0100 | [diff] [blame] | 245 | if (cstream->direction == SND_COMPRESS_PLAYBACK) |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 246 | stream = SNDRV_PCM_STREAM_PLAYBACK; |
Lars-Peter Clausen | 24894b7 | 2014-03-05 13:17:43 +0100 | [diff] [blame] | 247 | else |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 248 | stream = SNDRV_PCM_STREAM_CAPTURE; |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 249 | |
Lars-Peter Clausen | 24894b7 | 2014-03-05 13:17:43 +0100 | [diff] [blame] | 250 | snd_soc_runtime_deactivate(fe, stream); |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 251 | |
| 252 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; |
| 253 | |
| 254 | ret = dpcm_be_dai_hw_free(fe, stream); |
| 255 | if (ret < 0) |
| 256 | dev_err(fe->dev, "compressed hw_free failed %d\n", ret); |
| 257 | |
| 258 | ret = dpcm_be_dai_shutdown(fe, stream); |
| 259 | |
| 260 | /* mark FE's links ready to prune */ |
| 261 | list_for_each_entry(dpcm, &fe->dpcm[stream].be_clients, list_be) |
| 262 | dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE; |
| 263 | |
Daniel Mack | 15f6b09 | 2014-10-19 09:07:35 +0200 | [diff] [blame] | 264 | dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP); |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 265 | |
| 266 | fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE; |
| 267 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; |
| 268 | |
| 269 | dpcm_be_disconnect(fe, stream); |
| 270 | |
| 271 | fe->dpcm[stream].runtime = NULL; |
| 272 | |
| 273 | if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown) |
| 274 | fe->dai_link->compr_ops->shutdown(cstream); |
| 275 | |
| 276 | if (platform->driver->compr_ops && platform->driver->compr_ops->free) |
| 277 | platform->driver->compr_ops->free(cstream); |
| 278 | |
| 279 | mutex_unlock(&fe->card->mutex); |
| 280 | return 0; |
| 281 | } |
| 282 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 283 | static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd) |
| 284 | { |
| 285 | |
| 286 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 287 | struct snd_soc_platform *platform = rtd->platform; |
| 288 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 289 | int ret = 0; |
| 290 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 291 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
| 292 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 293 | if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) { |
| 294 | ret = platform->driver->compr_ops->trigger(cstream, cmd); |
| 295 | if (ret < 0) |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 296 | goto out; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 297 | } |
| 298 | |
Mark Brown | da18396 | 2013-02-06 15:44:07 +0000 | [diff] [blame] | 299 | switch (cmd) { |
| 300 | case SNDRV_PCM_TRIGGER_START: |
| 301 | snd_soc_dai_digital_mute(codec_dai, 0, cstream->direction); |
| 302 | break; |
| 303 | case SNDRV_PCM_TRIGGER_STOP: |
| 304 | snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction); |
| 305 | break; |
Mark Brown | e38b9b7 | 2013-02-06 13:52:42 +0000 | [diff] [blame] | 306 | } |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 307 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 308 | out: |
| 309 | mutex_unlock(&rtd->pcm_mutex); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 310 | return ret; |
| 311 | } |
| 312 | |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 313 | static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd) |
| 314 | { |
| 315 | struct snd_soc_pcm_runtime *fe = cstream->private_data; |
| 316 | struct snd_soc_platform *platform = fe->platform; |
| 317 | int ret = 0, stream; |
| 318 | |
| 319 | if (cmd == SND_COMPR_TRIGGER_PARTIAL_DRAIN || |
| 320 | cmd == SND_COMPR_TRIGGER_DRAIN) { |
| 321 | |
| 322 | if (platform->driver->compr_ops && |
Dan Carpenter | 15b8e94 | 2014-05-14 17:23:08 +0300 | [diff] [blame] | 323 | platform->driver->compr_ops->trigger) |
| 324 | return platform->driver->compr_ops->trigger(cstream, |
| 325 | cmd); |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 326 | } |
| 327 | |
| 328 | if (cstream->direction == SND_COMPRESS_PLAYBACK) |
| 329 | stream = SNDRV_PCM_STREAM_PLAYBACK; |
| 330 | else |
| 331 | stream = SNDRV_PCM_STREAM_CAPTURE; |
| 332 | |
| 333 | |
| 334 | mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); |
| 335 | |
| 336 | if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) { |
| 337 | ret = platform->driver->compr_ops->trigger(cstream, cmd); |
| 338 | if (ret < 0) |
| 339 | goto out; |
| 340 | } |
| 341 | |
| 342 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; |
| 343 | |
| 344 | ret = dpcm_be_dai_trigger(fe, stream, cmd); |
| 345 | |
| 346 | switch (cmd) { |
| 347 | case SNDRV_PCM_TRIGGER_START: |
| 348 | case SNDRV_PCM_TRIGGER_RESUME: |
| 349 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| 350 | fe->dpcm[stream].state = SND_SOC_DPCM_STATE_START; |
| 351 | break; |
| 352 | case SNDRV_PCM_TRIGGER_STOP: |
| 353 | case SNDRV_PCM_TRIGGER_SUSPEND: |
| 354 | fe->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP; |
| 355 | break; |
| 356 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| 357 | fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED; |
| 358 | break; |
| 359 | } |
| 360 | |
| 361 | out: |
| 362 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; |
| 363 | mutex_unlock(&fe->card->mutex); |
| 364 | return ret; |
| 365 | } |
| 366 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 367 | static int soc_compr_set_params(struct snd_compr_stream *cstream, |
| 368 | struct snd_compr_params *params) |
| 369 | { |
| 370 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 371 | struct snd_soc_platform *platform = rtd->platform; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 372 | int ret = 0; |
| 373 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 374 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
| 375 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 376 | /* first we call set_params for the platform driver |
| 377 | * this should configure the soc side |
| 378 | * if the machine has compressed ops then we call that as well |
| 379 | * expectation is that platform and machine will configure everything |
| 380 | * for this compress path, like configuring pcm port for codec |
| 381 | */ |
| 382 | if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) { |
| 383 | ret = platform->driver->compr_ops->set_params(cstream, params); |
| 384 | if (ret < 0) |
Charles Keepax | fa40ef2 | 2013-03-27 16:39:01 +0000 | [diff] [blame] | 385 | goto err; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 386 | } |
| 387 | |
| 388 | if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->set_params) { |
| 389 | ret = rtd->dai_link->compr_ops->set_params(cstream); |
| 390 | if (ret < 0) |
Charles Keepax | fa40ef2 | 2013-03-27 16:39:01 +0000 | [diff] [blame] | 391 | goto err; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 392 | } |
| 393 | |
Charles Keepax | 2c071ed | 2013-05-20 08:33:54 +0100 | [diff] [blame] | 394 | if (cstream->direction == SND_COMPRESS_PLAYBACK) |
| 395 | snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, |
| 396 | SND_SOC_DAPM_STREAM_START); |
| 397 | else |
| 398 | snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_CAPTURE, |
| 399 | SND_SOC_DAPM_STREAM_START); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 400 | |
Charles Keepax | fa40ef2 | 2013-03-27 16:39:01 +0000 | [diff] [blame] | 401 | /* cancel any delayed stream shutdown that is pending */ |
| 402 | rtd->pop_wait = 0; |
| 403 | mutex_unlock(&rtd->pcm_mutex); |
| 404 | |
| 405 | cancel_delayed_work_sync(&rtd->delayed_work); |
| 406 | |
| 407 | return ret; |
| 408 | |
| 409 | err: |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 410 | mutex_unlock(&rtd->pcm_mutex); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 411 | return ret; |
| 412 | } |
| 413 | |
Banajit Goswami | 8886fb0 | 2016-11-21 21:39:54 -0800 | [diff] [blame] | 414 | static void dpcm_be_hw_params_prepare(void *data) |
| 415 | { |
| 416 | struct snd_compr_stream *cstream = data; |
| 417 | struct snd_soc_pcm_runtime *fe = cstream->private_data; |
| 418 | struct snd_soc_pcm_runtime *be = cstream->be; |
| 419 | int stream, ret; |
| 420 | |
| 421 | if (cstream->direction == SND_COMPRESS_PLAYBACK) |
| 422 | stream = SNDRV_PCM_STREAM_PLAYBACK; |
| 423 | else |
| 424 | stream = SNDRV_PCM_STREAM_CAPTURE; |
| 425 | |
| 426 | ret = dpcm_fe_dai_hw_params_be(fe, be, |
| 427 | &fe->dpcm[stream].hw_params, stream); |
| 428 | if (ret < 0) { |
| 429 | fe->err_ops = ret; |
| 430 | return; |
| 431 | } |
| 432 | |
| 433 | ret = dpcm_fe_dai_prepare_be(fe, be, stream); |
| 434 | if (ret < 0) { |
| 435 | fe->err_ops = ret; |
| 436 | return; |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | static void dpcm_be_hw_params_prepare_async(void *data, async_cookie_t cookie) |
| 441 | { |
| 442 | dpcm_be_hw_params_prepare(data); |
| 443 | } |
| 444 | |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 445 | static int soc_compr_set_params_fe(struct snd_compr_stream *cstream, |
| 446 | struct snd_compr_params *params) |
| 447 | { |
| 448 | struct snd_soc_pcm_runtime *fe = cstream->private_data; |
Satish Babu Patakokila | 6fa092d | 2016-08-04 18:31:48 +0530 | [diff] [blame] | 449 | struct snd_pcm_substream *fe_substream = |
| 450 | fe->pcm->streams[cstream->direction].substream; |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 451 | struct snd_soc_platform *platform = fe->platform; |
Banajit Goswami | 8886fb0 | 2016-11-21 21:39:54 -0800 | [diff] [blame] | 452 | struct snd_soc_pcm_runtime *be_list[DPCM_MAX_BE_USERS]; |
| 453 | struct snd_soc_dpcm *dpcm; |
| 454 | int ret = 0, stream, i, j = 0; |
| 455 | |
| 456 | ASYNC_DOMAIN_EXCLUSIVE(async_domain); |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 457 | |
| 458 | if (cstream->direction == SND_COMPRESS_PLAYBACK) |
| 459 | stream = SNDRV_PCM_STREAM_PLAYBACK; |
| 460 | else |
| 461 | stream = SNDRV_PCM_STREAM_CAPTURE; |
| 462 | |
| 463 | mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); |
| 464 | |
Banajit Goswami | 8886fb0 | 2016-11-21 21:39:54 -0800 | [diff] [blame] | 465 | if (!(fe->dai_link->async_ops & ASYNC_DPCM_SND_SOC_HW_PARAMS)) { |
| 466 | /* first we call set_params for the platform driver |
| 467 | * this should configure the soc side |
| 468 | * if the machine has compressed ops then we call that as well |
| 469 | * expectation is that platform and machine will configure |
| 470 | * everything for this compress path, like configuring pcm |
| 471 | * port for codec |
| 472 | */ |
| 473 | if (platform->driver->compr_ops && |
| 474 | platform->driver->compr_ops->set_params) { |
| 475 | ret = platform->driver->compr_ops->set_params(cstream, |
| 476 | params); |
| 477 | if (ret < 0) |
| 478 | goto out; |
| 479 | } |
| 480 | |
| 481 | if (fe->dai_link->compr_ops && |
| 482 | fe->dai_link->compr_ops->set_params) { |
| 483 | ret = fe->dai_link->compr_ops->set_params(cstream); |
| 484 | if (ret < 0) |
| 485 | goto out; |
| 486 | } |
| 487 | |
| 488 | /* |
| 489 | * Create an empty hw_params for the BE as the machine |
| 490 | * driver must fix this up to match DSP decoder and |
| 491 | * ASRC configuration. |
| 492 | * I.e. machine driver fixup for compressed BE is |
| 493 | * mandatory. |
| 494 | */ |
| 495 | memset(&fe->dpcm[fe_substream->stream].hw_params, 0, |
| 496 | sizeof(struct snd_pcm_hw_params)); |
| 497 | |
| 498 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; |
| 499 | |
| 500 | ret = dpcm_be_dai_hw_params(fe, stream); |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 501 | if (ret < 0) |
| 502 | goto out; |
Banajit Goswami | 8886fb0 | 2016-11-21 21:39:54 -0800 | [diff] [blame] | 503 | ret = dpcm_be_dai_prepare(fe, stream); |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 504 | if (ret < 0) |
| 505 | goto out; |
Banajit Goswami | 8886fb0 | 2016-11-21 21:39:54 -0800 | [diff] [blame] | 506 | } else { |
| 507 | /* |
| 508 | * Create an empty hw_params for the BE as the machine |
| 509 | * driver must fix this up to match DSP decoder and |
| 510 | * ASRC configuration. |
| 511 | * I.e. machine driver fixup for compressed BE is |
| 512 | * mandatory. |
| 513 | */ |
| 514 | memset(&fe->dpcm[fe_substream->stream].hw_params, 0, |
| 515 | sizeof(struct snd_pcm_hw_params)); |
| 516 | |
| 517 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; |
| 518 | |
| 519 | list_for_each_entry(dpcm, |
| 520 | &fe->dpcm[stream].be_clients, list_be) { |
| 521 | struct snd_soc_pcm_runtime *be = dpcm->be; |
| 522 | |
| 523 | if (be->dai_link->async_ops & |
| 524 | ASYNC_DPCM_SND_SOC_HW_PARAMS) { |
| 525 | cstream->be = be; |
| 526 | async_schedule_domain( |
| 527 | dpcm_be_hw_params_prepare_async, |
| 528 | cstream, &async_domain); |
| 529 | } else { |
| 530 | be_list[j++] = be; |
Walter Yang | e0c24ee | 2017-03-02 12:13:34 +0800 | [diff] [blame] | 531 | if (j == DPCM_MAX_BE_USERS) { |
| 532 | dev_dbg(fe->dev, |
| 533 | "ASoC: MAX backend users!\n"); |
| 534 | break; |
| 535 | } |
Banajit Goswami | 8886fb0 | 2016-11-21 21:39:54 -0800 | [diff] [blame] | 536 | } |
| 537 | } |
| 538 | for (i = 0; i < j; i++) { |
| 539 | cstream->be = be_list[i]; |
| 540 | dpcm_be_hw_params_prepare(cstream); |
| 541 | } |
| 542 | /* first we call set_params for the platform driver |
| 543 | * this should configure the soc side |
| 544 | * if the machine has compressed ops then we call that as well |
| 545 | * expectation is that platform and machine will configure |
| 546 | * everything this compress path, like configuring pcm port |
| 547 | * for codec |
| 548 | */ |
| 549 | if (platform->driver->compr_ops && |
| 550 | platform->driver->compr_ops->set_params) { |
| 551 | ret = platform->driver->compr_ops->set_params(cstream, |
| 552 | params); |
| 553 | if (ret < 0) |
| 554 | goto exit; |
| 555 | } |
| 556 | |
| 557 | dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START); |
| 558 | |
| 559 | if (fe->dai_link->compr_ops && |
| 560 | fe->dai_link->compr_ops->set_params) { |
| 561 | ret = fe->dai_link->compr_ops->set_params(cstream); |
| 562 | if (ret < 0) |
| 563 | goto exit; |
| 564 | } |
| 565 | exit: |
| 566 | async_synchronize_full_domain(&async_domain); |
| 567 | if (fe->err_ops < 0 || ret < 0) |
| 568 | goto out; |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 569 | } |
Daniel Mack | 15f6b09 | 2014-10-19 09:07:35 +0200 | [diff] [blame] | 570 | dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START); |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 571 | fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE; |
| 572 | |
| 573 | out: |
| 574 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; |
| 575 | mutex_unlock(&fe->card->mutex); |
| 576 | return ret; |
| 577 | } |
| 578 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 579 | static int soc_compr_get_params(struct snd_compr_stream *cstream, |
| 580 | struct snd_codec *params) |
| 581 | { |
| 582 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 583 | struct snd_soc_platform *platform = rtd->platform; |
| 584 | int ret = 0; |
| 585 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 586 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
| 587 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 588 | if (platform->driver->compr_ops && platform->driver->compr_ops->get_params) |
| 589 | ret = platform->driver->compr_ops->get_params(cstream, params); |
| 590 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 591 | mutex_unlock(&rtd->pcm_mutex); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 592 | return ret; |
| 593 | } |
| 594 | |
| 595 | static int soc_compr_get_caps(struct snd_compr_stream *cstream, |
| 596 | struct snd_compr_caps *caps) |
| 597 | { |
| 598 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 599 | struct snd_soc_platform *platform = rtd->platform; |
| 600 | int ret = 0; |
| 601 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 602 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
| 603 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 604 | if (platform->driver->compr_ops && platform->driver->compr_ops->get_caps) |
| 605 | ret = platform->driver->compr_ops->get_caps(cstream, caps); |
| 606 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 607 | mutex_unlock(&rtd->pcm_mutex); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 608 | return ret; |
| 609 | } |
| 610 | |
| 611 | static int soc_compr_get_codec_caps(struct snd_compr_stream *cstream, |
| 612 | struct snd_compr_codec_caps *codec) |
| 613 | { |
| 614 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 615 | struct snd_soc_platform *platform = rtd->platform; |
| 616 | int ret = 0; |
| 617 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 618 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
| 619 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 620 | if (platform->driver->compr_ops && platform->driver->compr_ops->get_codec_caps) |
| 621 | ret = platform->driver->compr_ops->get_codec_caps(cstream, codec); |
| 622 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 623 | mutex_unlock(&rtd->pcm_mutex); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 624 | return ret; |
| 625 | } |
| 626 | |
| 627 | static int soc_compr_ack(struct snd_compr_stream *cstream, size_t bytes) |
| 628 | { |
| 629 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 630 | struct snd_soc_platform *platform = rtd->platform; |
| 631 | int ret = 0; |
| 632 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 633 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
| 634 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 635 | if (platform->driver->compr_ops && platform->driver->compr_ops->ack) |
| 636 | ret = platform->driver->compr_ops->ack(cstream, bytes); |
| 637 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 638 | mutex_unlock(&rtd->pcm_mutex); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 639 | return ret; |
| 640 | } |
| 641 | |
| 642 | static int soc_compr_pointer(struct snd_compr_stream *cstream, |
| 643 | struct snd_compr_tstamp *tstamp) |
| 644 | { |
| 645 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 646 | struct snd_soc_platform *platform = rtd->platform; |
Charles Keepax | 7c9190f | 2016-06-20 09:51:32 +0100 | [diff] [blame] | 647 | int ret = 0; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 648 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 649 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
| 650 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 651 | if (platform->driver->compr_ops && platform->driver->compr_ops->pointer) |
Charles Keepax | 7c9190f | 2016-06-20 09:51:32 +0100 | [diff] [blame] | 652 | ret = platform->driver->compr_ops->pointer(cstream, tstamp); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 653 | |
Charles Keepax | 15e2e61 | 2013-01-24 09:44:29 +0000 | [diff] [blame] | 654 | mutex_unlock(&rtd->pcm_mutex); |
Charles Keepax | 7c9190f | 2016-06-20 09:51:32 +0100 | [diff] [blame] | 655 | return ret; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 656 | } |
| 657 | |
Charles Keepax | 1f88eb0 | 2013-02-05 10:41:47 +0000 | [diff] [blame] | 658 | static int soc_compr_copy(struct snd_compr_stream *cstream, |
Charles Keepax | 4daf891 | 2013-04-18 11:01:38 +0100 | [diff] [blame] | 659 | char __user *buf, size_t count) |
Charles Keepax | 1f88eb0 | 2013-02-05 10:41:47 +0000 | [diff] [blame] | 660 | { |
| 661 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 662 | struct snd_soc_platform *platform = rtd->platform; |
| 663 | int ret = 0; |
| 664 | |
| 665 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
| 666 | |
| 667 | if (platform->driver->compr_ops && platform->driver->compr_ops->copy) |
| 668 | ret = platform->driver->compr_ops->copy(cstream, buf, count); |
| 669 | |
| 670 | mutex_unlock(&rtd->pcm_mutex); |
| 671 | return ret; |
| 672 | } |
| 673 | |
Alexy Joseph | 998ee75 | 2015-09-10 00:04:30 -0700 | [diff] [blame] | 674 | static int sst_compr_set_next_track_param(struct snd_compr_stream *cstream, |
| 675 | union snd_codec_options *codec_options) |
| 676 | { |
| 677 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 678 | struct snd_soc_platform *platform = rtd->platform; |
| 679 | int ret = 0; |
| 680 | |
| 681 | if (platform->driver->compr_ops && |
| 682 | platform->driver->compr_ops->set_next_track_param) |
| 683 | ret = platform->driver->compr_ops->set_next_track_param(cstream, |
| 684 | codec_options); |
| 685 | |
| 686 | return ret; |
| 687 | } |
| 688 | |
| 689 | |
Vinod Koul | 02bd90e | 2013-07-28 20:06:15 +0530 | [diff] [blame] | 690 | static int soc_compr_set_metadata(struct snd_compr_stream *cstream, |
Jeeja KP | 36953d9 | 2013-03-26 21:22:28 +0530 | [diff] [blame] | 691 | struct snd_compr_metadata *metadata) |
| 692 | { |
| 693 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 694 | struct snd_soc_platform *platform = rtd->platform; |
| 695 | int ret = 0; |
| 696 | |
| 697 | if (platform->driver->compr_ops && platform->driver->compr_ops->set_metadata) |
| 698 | ret = platform->driver->compr_ops->set_metadata(cstream, metadata); |
| 699 | |
| 700 | return ret; |
| 701 | } |
| 702 | |
Vinod Koul | 02bd90e | 2013-07-28 20:06:15 +0530 | [diff] [blame] | 703 | static int soc_compr_get_metadata(struct snd_compr_stream *cstream, |
Jeeja KP | 36953d9 | 2013-03-26 21:22:28 +0530 | [diff] [blame] | 704 | struct snd_compr_metadata *metadata) |
| 705 | { |
| 706 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; |
| 707 | struct snd_soc_platform *platform = rtd->platform; |
| 708 | int ret = 0; |
| 709 | |
| 710 | if (platform->driver->compr_ops && platform->driver->compr_ops->get_metadata) |
| 711 | ret = platform->driver->compr_ops->get_metadata(cstream, metadata); |
| 712 | |
| 713 | return ret; |
| 714 | } |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 715 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 716 | /* ASoC Compress operations */ |
| 717 | static struct snd_compr_ops soc_compr_ops = { |
| 718 | .open = soc_compr_open, |
| 719 | .free = soc_compr_free, |
| 720 | .set_params = soc_compr_set_params, |
Vinod Koul | 02bd90e | 2013-07-28 20:06:15 +0530 | [diff] [blame] | 721 | .set_metadata = soc_compr_set_metadata, |
Alexy Joseph | 998ee75 | 2015-09-10 00:04:30 -0700 | [diff] [blame] | 722 | .set_next_track_param = sst_compr_set_next_track_param, |
Vinod Koul | 02bd90e | 2013-07-28 20:06:15 +0530 | [diff] [blame] | 723 | .get_metadata = soc_compr_get_metadata, |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 724 | .get_params = soc_compr_get_params, |
| 725 | .trigger = soc_compr_trigger, |
| 726 | .pointer = soc_compr_pointer, |
| 727 | .ack = soc_compr_ack, |
| 728 | .get_caps = soc_compr_get_caps, |
| 729 | .get_codec_caps = soc_compr_get_codec_caps |
| 730 | }; |
| 731 | |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 732 | /* ASoC Dynamic Compress operations */ |
| 733 | static struct snd_compr_ops soc_compr_dyn_ops = { |
| 734 | .open = soc_compr_open_fe, |
| 735 | .free = soc_compr_free_fe, |
| 736 | .set_params = soc_compr_set_params_fe, |
| 737 | .get_params = soc_compr_get_params, |
| 738 | .set_metadata = soc_compr_set_metadata, |
Alexy Joseph | 998ee75 | 2015-09-10 00:04:30 -0700 | [diff] [blame] | 739 | .set_next_track_param = sst_compr_set_next_track_param, |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 740 | .get_metadata = soc_compr_get_metadata, |
| 741 | .trigger = soc_compr_trigger_fe, |
| 742 | .pointer = soc_compr_pointer, |
| 743 | .ack = soc_compr_ack, |
| 744 | .get_caps = soc_compr_get_caps, |
| 745 | .get_codec_caps = soc_compr_get_codec_caps |
| 746 | }; |
| 747 | |
Jie Yang | 6f0c422 | 2015-10-13 23:41:00 +0800 | [diff] [blame] | 748 | /** |
| 749 | * snd_soc_new_compress - create a new compress. |
| 750 | * |
| 751 | * @rtd: The runtime for which we will create compress |
| 752 | * @num: the device index number (zero based - shared with normal PCMs) |
| 753 | * |
| 754 | * Return: 0 for success, else error. |
| 755 | */ |
| 756 | int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 757 | { |
| 758 | struct snd_soc_codec *codec = rtd->codec; |
Charles Keepax | 1f88eb0 | 2013-02-05 10:41:47 +0000 | [diff] [blame] | 759 | struct snd_soc_platform *platform = rtd->platform; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 760 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 761 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 762 | struct snd_compr *compr; |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 763 | struct snd_pcm *be_pcm; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 764 | char new_name[64]; |
| 765 | int ret = 0, direction = 0; |
Vinod Koul | a106804 | 2016-01-07 21:48:14 +0530 | [diff] [blame] | 766 | int playback = 0, capture = 0; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 767 | |
Benoit Cousson | 8151d5e | 2014-07-08 23:19:37 +0200 | [diff] [blame] | 768 | if (rtd->num_codecs > 1) { |
| 769 | dev_err(rtd->card->dev, "Multicodec not supported for compressed stream\n"); |
| 770 | return -EINVAL; |
| 771 | } |
| 772 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 773 | /* check client and interface hw capabilities */ |
| 774 | snprintf(new_name, sizeof(new_name), "%s %s-%d", |
| 775 | rtd->dai_link->stream_name, codec_dai->name, num); |
Charles Keepax | daa2db5 | 2013-04-18 11:02:38 +0100 | [diff] [blame] | 776 | |
| 777 | if (codec_dai->driver->playback.channels_min) |
Vinod Koul | a106804 | 2016-01-07 21:48:14 +0530 | [diff] [blame] | 778 | playback = 1; |
| 779 | if (codec_dai->driver->capture.channels_min) |
| 780 | capture = 1; |
| 781 | |
| 782 | capture = capture && cpu_dai->driver->capture.channels_min; |
| 783 | playback = playback && cpu_dai->driver->playback.channels_min; |
| 784 | |
| 785 | /* |
| 786 | * Compress devices are unidirectional so only one of the directions |
| 787 | * should be set, check for that (xor) |
| 788 | */ |
| 789 | if (playback + capture != 1) { |
| 790 | dev_err(rtd->card->dev, "Invalid direction for compress P %d, C %d\n", |
| 791 | playback, capture); |
Charles Keepax | daa2db5 | 2013-04-18 11:02:38 +0100 | [diff] [blame] | 792 | return -EINVAL; |
Vinod Koul | a106804 | 2016-01-07 21:48:14 +0530 | [diff] [blame] | 793 | } |
| 794 | |
| 795 | if(playback) |
| 796 | direction = SND_COMPRESS_PLAYBACK; |
| 797 | else |
| 798 | direction = SND_COMPRESS_CAPTURE; |
Charles Keepax | daa2db5 | 2013-04-18 11:02:38 +0100 | [diff] [blame] | 799 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 800 | compr = kzalloc(sizeof(*compr), GFP_KERNEL); |
| 801 | if (compr == NULL) { |
| 802 | snd_printk(KERN_ERR "Cannot allocate compr\n"); |
| 803 | return -ENOMEM; |
| 804 | } |
| 805 | |
Charles Keepax | 1f88eb0 | 2013-02-05 10:41:47 +0000 | [diff] [blame] | 806 | compr->ops = devm_kzalloc(rtd->card->dev, sizeof(soc_compr_ops), |
| 807 | GFP_KERNEL); |
| 808 | if (compr->ops == NULL) { |
| 809 | dev_err(rtd->card->dev, "Cannot allocate compressed ops\n"); |
| 810 | ret = -ENOMEM; |
| 811 | goto compr_err; |
| 812 | } |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 813 | |
| 814 | if (rtd->dai_link->dynamic) { |
| 815 | snprintf(new_name, sizeof(new_name), "(%s)", |
| 816 | rtd->dai_link->stream_name); |
| 817 | |
| 818 | ret = snd_pcm_new_internal(rtd->card->snd_card, new_name, num, |
Qais Yousef | d3268a4 | 2015-01-14 08:47:29 +0000 | [diff] [blame] | 819 | rtd->dai_link->dpcm_playback, |
| 820 | rtd->dai_link->dpcm_capture, &be_pcm); |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 821 | if (ret < 0) { |
| 822 | dev_err(rtd->card->dev, "ASoC: can't create compressed for %s\n", |
| 823 | rtd->dai_link->name); |
| 824 | goto compr_err; |
| 825 | } |
| 826 | |
| 827 | rtd->pcm = be_pcm; |
| 828 | rtd->fe_compr = 1; |
Qais Yousef | d3268a4 | 2015-01-14 08:47:29 +0000 | [diff] [blame] | 829 | if (rtd->dai_link->dpcm_playback) |
| 830 | be_pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->private_data = rtd; |
| 831 | else if (rtd->dai_link->dpcm_capture) |
| 832 | be_pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream->private_data = rtd; |
Liam Girdwood | 2a99ef0 | 2014-01-17 17:03:56 +0000 | [diff] [blame] | 833 | memcpy(compr->ops, &soc_compr_dyn_ops, sizeof(soc_compr_dyn_ops)); |
| 834 | } else |
| 835 | memcpy(compr->ops, &soc_compr_ops, sizeof(soc_compr_ops)); |
Charles Keepax | 1f88eb0 | 2013-02-05 10:41:47 +0000 | [diff] [blame] | 836 | |
| 837 | /* Add copy callback for not memory mapped DSPs */ |
| 838 | if (platform->driver->compr_ops && platform->driver->compr_ops->copy) |
| 839 | compr->ops->copy = soc_compr_copy; |
| 840 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 841 | mutex_init(&compr->lock); |
Richard Fitzgerald | e5241a8 | 2015-11-25 13:00:24 +0000 | [diff] [blame] | 842 | |
| 843 | snprintf(new_name, sizeof(new_name), "%s %s-%d", |
| 844 | rtd->dai_link->stream_name, |
| 845 | rtd->codec_dai->name, num); |
| 846 | |
| 847 | ret = snd_compress_new(rtd->card->snd_card, num, direction, |
| 848 | new_name, compr); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 849 | if (ret < 0) { |
| 850 | pr_err("compress asoc: can't create compress for codec %s\n", |
Lars-Peter Clausen | f433320 | 2014-06-16 18:13:02 +0200 | [diff] [blame] | 851 | codec->component.name); |
Charles Keepax | 1f88eb0 | 2013-02-05 10:41:47 +0000 | [diff] [blame] | 852 | goto compr_err; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 853 | } |
| 854 | |
Charles Keepax | 202c8f7 | 2013-01-24 09:44:30 +0000 | [diff] [blame] | 855 | /* DAPM dai link stream work */ |
| 856 | INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work); |
| 857 | |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 858 | rtd->compr = compr; |
| 859 | compr->private_data = rtd; |
| 860 | |
Ravi Kumar Alamanda | 20df552 | 2013-11-25 10:38:40 -0800 | [diff] [blame] | 861 | if (platform->driver->pcm_new) { |
| 862 | ret = platform->driver->pcm_new(rtd); |
| 863 | if (ret < 0) { |
| 864 | pr_err("asoc: compress pcm constructor failed\n"); |
| 865 | goto compr_err; |
| 866 | } |
| 867 | } |
| 868 | |
Siena Richard | 45cbe86 | 2016-11-04 13:21:16 -0700 | [diff] [blame] | 869 | dev_dbg(rtd->card->dev, "compress asoc: %s <-> %s mapping ok\n", |
| 870 | codec_dai->name, cpu_dai->name); |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 871 | return ret; |
Charles Keepax | 1f88eb0 | 2013-02-05 10:41:47 +0000 | [diff] [blame] | 872 | |
| 873 | compr_err: |
| 874 | kfree(compr); |
| 875 | return ret; |
Namarta Kohli | 1245b70 | 2012-08-16 17:10:41 +0530 | [diff] [blame] | 876 | } |
Jie Yang | 6f0c422 | 2015-10-13 23:41:00 +0800 | [diff] [blame] | 877 | EXPORT_SYMBOL_GPL(snd_soc_new_compress); |