Commit | Line | Data |
---|---|---|
d927fdae | 1 | /* |
a4b12990 | 2 | * sst_mfld_platform.c - Intel MID Platform driver |
d927fdae | 3 | * |
61b165ca | 4 | * Copyright (C) 2010-2014 Intel Corp |
d927fdae VK |
5 | * Author: Vinod Koul <vinod.koul@intel.com> |
6 | * Author: Harsha Priya <priya.harsha@intel.com> | |
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 | * | |
d927fdae | 18 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
d927fdae VK |
19 | */ |
20 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
21 | ||
22 | #include <linux/slab.h> | |
23 | #include <linux/io.h> | |
da155d5b | 24 | #include <linux/module.h> |
d927fdae VK |
25 | #include <sound/core.h> |
26 | #include <sound/pcm.h> | |
27 | #include <sound/pcm_params.h> | |
28 | #include <sound/soc.h> | |
c514a911 | 29 | #include <sound/compress_driver.h> |
61b165ca | 30 | #include <asm/platform_sst_audio.h> |
a4b12990 | 31 | #include "sst-mfld-platform.h" |
61b165ca | 32 | #include "sst-atom-controls.h" |
d927fdae | 33 | |
4b68b4e1 | 34 | struct sst_device *sst; |
03c33042 | 35 | static DEFINE_MUTEX(sst_lock); |
4b68b4e1 | 36 | extern struct snd_compr_ops sst_platform_compr_ops; |
03c33042 VK |
37 | |
38 | int sst_register_dsp(struct sst_device *dev) | |
39 | { | |
656a22a1 TI |
40 | if (WARN_ON(!dev)) |
41 | return -EINVAL; | |
03c33042 VK |
42 | if (!try_module_get(dev->dev->driver->owner)) |
43 | return -ENODEV; | |
44 | mutex_lock(&sst_lock); | |
45 | if (sst) { | |
02024756 | 46 | dev_err(dev->dev, "we already have a device %s\n", sst->name); |
03c33042 VK |
47 | module_put(dev->dev->driver->owner); |
48 | mutex_unlock(&sst_lock); | |
49 | return -EEXIST; | |
50 | } | |
02024756 | 51 | dev_dbg(dev->dev, "registering device %s\n", dev->name); |
03c33042 VK |
52 | sst = dev; |
53 | mutex_unlock(&sst_lock); | |
54 | return 0; | |
55 | } | |
56 | EXPORT_SYMBOL_GPL(sst_register_dsp); | |
57 | ||
58 | int sst_unregister_dsp(struct sst_device *dev) | |
59 | { | |
656a22a1 TI |
60 | if (WARN_ON(!dev)) |
61 | return -EINVAL; | |
03c33042 VK |
62 | if (dev != sst) |
63 | return -EINVAL; | |
64 | ||
65 | mutex_lock(&sst_lock); | |
66 | ||
67 | if (!sst) { | |
68 | mutex_unlock(&sst_lock); | |
69 | return -EIO; | |
70 | } | |
71 | ||
72 | module_put(sst->dev->driver->owner); | |
02024756 | 73 | dev_dbg(dev->dev, "unreg %s\n", sst->name); |
03c33042 VK |
74 | sst = NULL; |
75 | mutex_unlock(&sst_lock); | |
76 | return 0; | |
77 | } | |
78 | EXPORT_SYMBOL_GPL(sst_unregister_dsp); | |
79 | ||
d927fdae VK |
80 | static struct snd_pcm_hardware sst_platform_pcm_hw = { |
81 | .info = (SNDRV_PCM_INFO_INTERLEAVED | | |
82 | SNDRV_PCM_INFO_DOUBLE | | |
83 | SNDRV_PCM_INFO_PAUSE | | |
84 | SNDRV_PCM_INFO_RESUME | | |
85 | SNDRV_PCM_INFO_MMAP| | |
86 | SNDRV_PCM_INFO_MMAP_VALID | | |
87 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
88 | SNDRV_PCM_INFO_SYNC_START), | |
d927fdae VK |
89 | .buffer_bytes_max = SST_MAX_BUFFER, |
90 | .period_bytes_min = SST_MIN_PERIOD_BYTES, | |
91 | .period_bytes_max = SST_MAX_PERIOD_BYTES, | |
92 | .periods_min = SST_MIN_PERIODS, | |
93 | .periods_max = SST_MAX_PERIODS, | |
94 | .fifo_size = SST_FIFO_SIZE, | |
95 | }; | |
96 | ||
61b165ca VK |
97 | static struct sst_dev_stream_map dpcm_strm_map[] = { |
98 | {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, /* Reserved, not in use */ | |
99 | {MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA1_IN, SST_TASK_ID_MEDIA, 0}, | |
100 | {MERR_DPCM_COMPR, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA0_IN, SST_TASK_ID_MEDIA, 0}, | |
101 | {MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_CAPTURE, PIPE_PCM1_OUT, SST_TASK_ID_MEDIA, 0}, | |
102 | }; | |
103 | ||
c82351da | 104 | static int sst_media_digital_mute(struct snd_soc_dai *dai, int mute, int stream) |
d927fdae | 105 | { |
c82351da VK |
106 | |
107 | return sst_send_pipe_gains(dai, stream, mute); | |
108 | } | |
5c68536f | 109 | |
d927fdae | 110 | /* helper functions */ |
4496ffab | 111 | void sst_set_stream_status(struct sst_runtime_stream *stream, |
5c68536f HP |
112 | int state) |
113 | { | |
d89b0a13 LG |
114 | unsigned long flags; |
115 | spin_lock_irqsave(&stream->status_lock, flags); | |
5c68536f | 116 | stream->stream_status = state; |
d89b0a13 | 117 | spin_unlock_irqrestore(&stream->status_lock, flags); |
5c68536f HP |
118 | } |
119 | ||
120 | static inline int sst_get_stream_status(struct sst_runtime_stream *stream) | |
121 | { | |
122 | int state; | |
d89b0a13 | 123 | unsigned long flags; |
5c68536f | 124 | |
d89b0a13 | 125 | spin_lock_irqsave(&stream->status_lock, flags); |
5c68536f | 126 | state = stream->stream_status; |
d89b0a13 | 127 | spin_unlock_irqrestore(&stream->status_lock, flags); |
5c68536f HP |
128 | return state; |
129 | } | |
130 | ||
a870cdce VK |
131 | static void sst_fill_alloc_params(struct snd_pcm_substream *substream, |
132 | struct snd_sst_alloc_params_ext *alloc_param) | |
133 | { | |
134 | unsigned int channels; | |
135 | snd_pcm_uframes_t period_size; | |
136 | ssize_t periodbytes; | |
137 | ssize_t buffer_bytes = snd_pcm_lib_buffer_bytes(substream); | |
138 | u32 buffer_addr = virt_to_phys(substream->dma_buffer.area); | |
139 | ||
140 | channels = substream->runtime->channels; | |
141 | period_size = substream->runtime->period_size; | |
142 | periodbytes = samples_to_bytes(substream->runtime, period_size); | |
143 | alloc_param->ring_buf_info[0].addr = buffer_addr; | |
144 | alloc_param->ring_buf_info[0].size = buffer_bytes; | |
145 | alloc_param->sg_count = 1; | |
146 | alloc_param->reserved = 0; | |
147 | alloc_param->frag_size = periodbytes * channels; | |
148 | ||
149 | } | |
5c68536f | 150 | static void sst_fill_pcm_params(struct snd_pcm_substream *substream, |
a870cdce | 151 | struct snd_sst_stream_params *param) |
5c68536f | 152 | { |
a870cdce VK |
153 | param->uc.pcm_params.num_chan = (u8) substream->runtime->channels; |
154 | param->uc.pcm_params.pcm_wd_sz = substream->runtime->sample_bits; | |
155 | param->uc.pcm_params.sfreq = substream->runtime->rate; | |
5c68536f | 156 | |
a870cdce VK |
157 | /* PCM stream via ALSA interface */ |
158 | param->uc.pcm_params.use_offload_path = 0; | |
159 | param->uc.pcm_params.reserved2 = 0; | |
160 | memset(param->uc.pcm_params.channel_map, 0, sizeof(u8)); | |
161 | ||
162 | } | |
61b165ca VK |
163 | |
164 | static int sst_get_stream_mapping(int dev, int sdev, int dir, | |
165 | struct sst_dev_stream_map *map, int size) | |
166 | { | |
167 | int i; | |
168 | ||
169 | if (map == NULL) | |
170 | return -EINVAL; | |
171 | ||
172 | ||
173 | /* index 0 is not used in stream map */ | |
174 | for (i = 1; i < size; i++) { | |
175 | if ((map[i].dev_num == dev) && (map[i].direction == dir)) | |
176 | return i; | |
177 | } | |
178 | return 0; | |
179 | } | |
180 | ||
a870cdce | 181 | int sst_fill_stream_params(void *substream, |
61b165ca | 182 | const struct sst_data *ctx, struct snd_sst_params *str_params, bool is_compress) |
a870cdce | 183 | { |
61b165ca VK |
184 | int map_size; |
185 | int index; | |
186 | struct sst_dev_stream_map *map; | |
a870cdce VK |
187 | struct snd_pcm_substream *pstream = NULL; |
188 | struct snd_compr_stream *cstream = NULL; | |
189 | ||
61b165ca VK |
190 | map = ctx->pdata->pdev_strm_map; |
191 | map_size = ctx->pdata->strm_map_size; | |
192 | ||
a870cdce VK |
193 | if (is_compress == true) |
194 | cstream = (struct snd_compr_stream *)substream; | |
195 | else | |
196 | pstream = (struct snd_pcm_substream *)substream; | |
197 | ||
198 | str_params->stream_type = SST_STREAM_TYPE_MUSIC; | |
199 | ||
200 | /* For pcm streams */ | |
61b165ca VK |
201 | if (pstream) { |
202 | index = sst_get_stream_mapping(pstream->pcm->device, | |
203 | pstream->number, pstream->stream, | |
204 | map, map_size); | |
205 | if (index <= 0) | |
206 | return -EINVAL; | |
207 | ||
208 | str_params->stream_id = index; | |
209 | str_params->device_type = map[index].device_id; | |
210 | str_params->task = map[index].task_id; | |
211 | ||
a870cdce | 212 | str_params->ops = (u8)pstream->stream; |
61b165ca VK |
213 | } |
214 | ||
215 | if (cstream) { | |
216 | index = sst_get_stream_mapping(cstream->device->device, | |
217 | 0, cstream->direction, | |
218 | map, map_size); | |
219 | if (index <= 0) | |
220 | return -EINVAL; | |
221 | str_params->stream_id = index; | |
222 | str_params->device_type = map[index].device_id; | |
223 | str_params->task = map[index].task_id; | |
a870cdce | 224 | |
61b165ca VK |
225 | str_params->ops = (u8)cstream->direction; |
226 | } | |
a870cdce | 227 | return 0; |
5c68536f HP |
228 | } |
229 | ||
a870cdce | 230 | static int sst_platform_alloc_stream(struct snd_pcm_substream *substream, |
6df5d768 | 231 | struct snd_soc_dai *dai) |
d927fdae VK |
232 | { |
233 | struct sst_runtime_stream *stream = | |
234 | substream->runtime->private_data; | |
a870cdce VK |
235 | struct snd_sst_stream_params param = {{{0,},},}; |
236 | struct snd_sst_params str_params = {0}; | |
237 | struct snd_sst_alloc_params_ext alloc_params = {0}; | |
238 | int ret_val = 0; | |
6df5d768 | 239 | struct sst_data *ctx = snd_soc_dai_get_drvdata(dai); |
d927fdae VK |
240 | |
241 | /* set codec params and inform SST driver the same */ | |
5c68536f | 242 | sst_fill_pcm_params(substream, ¶m); |
a870cdce | 243 | sst_fill_alloc_params(substream, &alloc_params); |
d927fdae | 244 | substream->runtime->dma_area = substream->dma_buffer.area; |
d927fdae | 245 | str_params.sparams = param; |
a870cdce VK |
246 | str_params.aparams = alloc_params; |
247 | str_params.codec = SST_CODEC_TYPE_PCM; | |
248 | ||
249 | /* fill the device type and stream id to pass to SST driver */ | |
61b165ca | 250 | ret_val = sst_fill_stream_params(substream, ctx, &str_params, false); |
d927fdae VK |
251 | if (ret_val < 0) |
252 | return ret_val; | |
253 | ||
a870cdce VK |
254 | stream->stream_info.str_id = str_params.stream_id; |
255 | ||
b12b087c | 256 | ret_val = stream->ops->open(sst->dev, &str_params); |
a870cdce VK |
257 | if (ret_val <= 0) |
258 | return ret_val; | |
259 | ||
260 | ||
d927fdae VK |
261 | return ret_val; |
262 | } | |
263 | ||
9daa5bd3 | 264 | static void sst_period_elapsed(void *arg) |
d927fdae | 265 | { |
9daa5bd3 | 266 | struct snd_pcm_substream *substream = arg; |
d927fdae | 267 | struct sst_runtime_stream *stream; |
5c68536f | 268 | int status; |
d927fdae VK |
269 | |
270 | if (!substream || !substream->runtime) | |
271 | return; | |
272 | stream = substream->runtime->private_data; | |
273 | if (!stream) | |
274 | return; | |
5c68536f HP |
275 | status = sst_get_stream_status(stream); |
276 | if (status != SST_PLATFORM_RUNNING) | |
d927fdae | 277 | return; |
d927fdae | 278 | snd_pcm_period_elapsed(substream); |
d927fdae VK |
279 | } |
280 | ||
281 | static int sst_platform_init_stream(struct snd_pcm_substream *substream) | |
282 | { | |
283 | struct sst_runtime_stream *stream = | |
284 | substream->runtime->private_data; | |
02024756 | 285 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
d927fdae VK |
286 | int ret_val; |
287 | ||
02024756 | 288 | dev_dbg(rtd->dev, "setting buffer ptr param\n"); |
5c68536f | 289 | sst_set_stream_status(stream, SST_PLATFORM_INIT); |
d927fdae | 290 | stream->stream_info.period_elapsed = sst_period_elapsed; |
9daa5bd3 | 291 | stream->stream_info.arg = substream; |
d927fdae VK |
292 | stream->stream_info.buffer_ptr = 0; |
293 | stream->stream_info.sfreq = substream->runtime->rate; | |
b12b087c | 294 | ret_val = stream->ops->stream_init(sst->dev, &stream->stream_info); |
d927fdae | 295 | if (ret_val) |
02024756 | 296 | dev_err(rtd->dev, "control_set ret error %d\n", ret_val); |
d927fdae VK |
297 | return ret_val; |
298 | ||
299 | } | |
d927fdae | 300 | |
0121327c VK |
301 | static int power_up_sst(struct sst_runtime_stream *stream) |
302 | { | |
303 | return stream->ops->power(sst->dev, true); | |
304 | } | |
305 | ||
306 | static void power_down_sst(struct sst_runtime_stream *stream) | |
307 | { | |
308 | stream->ops->power(sst->dev, false); | |
309 | } | |
310 | ||
6cc0f4e6 VK |
311 | static int sst_media_open(struct snd_pcm_substream *substream, |
312 | struct snd_soc_dai *dai) | |
d927fdae | 313 | { |
6cc0f4e6 | 314 | int ret_val = 0; |
22be504a | 315 | struct snd_pcm_runtime *runtime = substream->runtime; |
d927fdae | 316 | struct sst_runtime_stream *stream; |
22be504a | 317 | |
d927fdae VK |
318 | stream = kzalloc(sizeof(*stream), GFP_KERNEL); |
319 | if (!stream) | |
320 | return -ENOMEM; | |
d927fdae | 321 | spin_lock_init(&stream->status_lock); |
03c33042 VK |
322 | |
323 | /* get the sst ops */ | |
324 | mutex_lock(&sst_lock); | |
6cc0f4e6 VK |
325 | if (!sst || |
326 | !try_module_get(sst->dev->driver->owner)) { | |
02024756 | 327 | dev_err(dai->dev, "no device available to run\n"); |
6cc0f4e6 VK |
328 | ret_val = -ENODEV; |
329 | goto out_ops; | |
d927fdae | 330 | } |
03c33042 VK |
331 | stream->ops = sst->ops; |
332 | mutex_unlock(&sst_lock); | |
333 | ||
334 | stream->stream_info.str_id = 0; | |
6cc0f4e6 | 335 | |
9daa5bd3 | 336 | stream->stream_info.arg = substream; |
03c33042 | 337 | /* allocate memory for SST API set */ |
d927fdae | 338 | runtime->private_data = stream; |
283e42e0 | 339 | |
0121327c VK |
340 | ret_val = power_up_sst(stream); |
341 | if (ret_val < 0) | |
342 | return ret_val; | |
343 | ||
6cc0f4e6 VK |
344 | /* Make sure, that the period size is always even */ |
345 | snd_pcm_hw_constraint_step(substream->runtime, 0, | |
346 | SNDRV_PCM_HW_PARAM_PERIODS, 2); | |
347 | ||
348 | return snd_pcm_hw_constraint_integer(runtime, | |
349 | SNDRV_PCM_HW_PARAM_PERIODS); | |
350 | out_ops: | |
351 | kfree(stream); | |
352 | mutex_unlock(&sst_lock); | |
353 | return ret_val; | |
d927fdae VK |
354 | } |
355 | ||
6cc0f4e6 VK |
356 | static void sst_media_close(struct snd_pcm_substream *substream, |
357 | struct snd_soc_dai *dai) | |
d927fdae VK |
358 | { |
359 | struct sst_runtime_stream *stream; | |
360 | int ret_val = 0, str_id; | |
361 | ||
d927fdae | 362 | stream = substream->runtime->private_data; |
0121327c VK |
363 | power_down_sst(stream); |
364 | ||
d927fdae | 365 | str_id = stream->stream_info.str_id; |
d927fdae | 366 | if (str_id) |
b12b087c | 367 | ret_val = stream->ops->close(sst->dev, str_id); |
03c33042 | 368 | module_put(sst->dev->driver->owner); |
d927fdae | 369 | kfree(stream); |
61b165ca VK |
370 | } |
371 | ||
6df5d768 | 372 | static inline unsigned int get_current_pipe_id(struct snd_soc_dai *dai, |
61b165ca VK |
373 | struct snd_pcm_substream *substream) |
374 | { | |
6df5d768 | 375 | struct sst_data *sst = snd_soc_dai_get_drvdata(dai); |
61b165ca VK |
376 | struct sst_dev_stream_map *map = sst->pdata->pdev_strm_map; |
377 | struct sst_runtime_stream *stream = | |
378 | substream->runtime->private_data; | |
379 | u32 str_id = stream->stream_info.str_id; | |
380 | unsigned int pipe_id; | |
02024756 | 381 | |
61b165ca VK |
382 | pipe_id = map[str_id].device_id; |
383 | ||
6df5d768 | 384 | dev_dbg(dai->dev, "got pipe_id = %#x for str_id = %d\n", |
02024756 | 385 | pipe_id, str_id); |
61b165ca | 386 | return pipe_id; |
d927fdae VK |
387 | } |
388 | ||
6cc0f4e6 VK |
389 | static int sst_media_prepare(struct snd_pcm_substream *substream, |
390 | struct snd_soc_dai *dai) | |
d927fdae VK |
391 | { |
392 | struct sst_runtime_stream *stream; | |
393 | int ret_val = 0, str_id; | |
394 | ||
d927fdae VK |
395 | stream = substream->runtime->private_data; |
396 | str_id = stream->stream_info.str_id; | |
397 | if (stream->stream_info.str_id) { | |
b12b087c | 398 | ret_val = stream->ops->stream_drop(sst->dev, str_id); |
d927fdae VK |
399 | return ret_val; |
400 | } | |
401 | ||
6df5d768 | 402 | ret_val = sst_platform_alloc_stream(substream, dai); |
a870cdce | 403 | if (ret_val <= 0) |
d927fdae VK |
404 | return ret_val; |
405 | snprintf(substream->pcm->id, sizeof(substream->pcm->id), | |
406 | "%d", stream->stream_info.str_id); | |
407 | ||
408 | ret_val = sst_platform_init_stream(substream); | |
409 | if (ret_val) | |
410 | return ret_val; | |
411 | substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER; | |
412 | return ret_val; | |
413 | } | |
414 | ||
6cc0f4e6 VK |
415 | static int sst_media_hw_params(struct snd_pcm_substream *substream, |
416 | struct snd_pcm_hw_params *params, | |
417 | struct snd_soc_dai *dai) | |
418 | { | |
419 | snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); | |
420 | memset(substream->runtime->dma_area, 0, params_buffer_bytes(params)); | |
421 | return 0; | |
422 | } | |
423 | ||
424 | static int sst_media_hw_free(struct snd_pcm_substream *substream, | |
425 | struct snd_soc_dai *dai) | |
426 | { | |
427 | return snd_pcm_lib_free_pages(substream); | |
428 | } | |
429 | ||
c82351da VK |
430 | static int sst_enable_ssp(struct snd_pcm_substream *substream, |
431 | struct snd_soc_dai *dai) | |
432 | { | |
433 | int ret = 0; | |
434 | ||
435 | if (!dai->active) { | |
436 | ret = sst_handle_vb_timer(dai, true); | |
437 | if (ret) | |
438 | return ret; | |
439 | ret = send_ssp_cmd(dai, dai->name, 1); | |
440 | } | |
441 | return ret; | |
442 | } | |
443 | ||
444 | static void sst_disable_ssp(struct snd_pcm_substream *substream, | |
445 | struct snd_soc_dai *dai) | |
446 | { | |
447 | if (!dai->active) { | |
448 | send_ssp_cmd(dai, dai->name, 0); | |
449 | sst_handle_vb_timer(dai, false); | |
450 | } | |
451 | } | |
452 | ||
6cc0f4e6 VK |
453 | static struct snd_soc_dai_ops sst_media_dai_ops = { |
454 | .startup = sst_media_open, | |
455 | .shutdown = sst_media_close, | |
456 | .prepare = sst_media_prepare, | |
457 | .hw_params = sst_media_hw_params, | |
458 | .hw_free = sst_media_hw_free, | |
c82351da VK |
459 | .mute_stream = sst_media_digital_mute, |
460 | }; | |
461 | ||
462 | static struct snd_soc_dai_ops sst_compr_dai_ops = { | |
463 | .mute_stream = sst_media_digital_mute, | |
464 | }; | |
465 | ||
466 | static struct snd_soc_dai_ops sst_be_dai_ops = { | |
467 | .startup = sst_enable_ssp, | |
468 | .shutdown = sst_disable_ssp, | |
469 | }; | |
470 | ||
471 | static struct snd_soc_dai_driver sst_platform_dai[] = { | |
472 | { | |
473 | .name = "media-cpu-dai", | |
474 | .ops = &sst_media_dai_ops, | |
475 | .playback = { | |
476 | .stream_name = "Headset Playback", | |
477 | .channels_min = SST_STEREO, | |
478 | .channels_max = SST_STEREO, | |
479 | .rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000, | |
480 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
481 | }, | |
482 | .capture = { | |
483 | .stream_name = "Headset Capture", | |
484 | .channels_min = 1, | |
485 | .channels_max = 2, | |
486 | .rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000, | |
487 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
488 | }, | |
489 | }, | |
490 | { | |
491 | .name = "compress-cpu-dai", | |
492 | .compress_dai = 1, | |
493 | .ops = &sst_compr_dai_ops, | |
494 | .playback = { | |
495 | .stream_name = "Compress Playback", | |
496 | .channels_min = SST_STEREO, | |
497 | .channels_max = SST_STEREO, | |
498 | .rates = SNDRV_PCM_RATE_48000, | |
499 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
500 | }, | |
501 | }, | |
502 | /* BE CPU Dais */ | |
503 | { | |
504 | .name = "ssp0-port", | |
505 | .ops = &sst_be_dai_ops, | |
506 | .playback = { | |
507 | .stream_name = "ssp0 Tx", | |
508 | .channels_min = SST_STEREO, | |
509 | .channels_max = SST_STEREO, | |
510 | .rates = SNDRV_PCM_RATE_48000, | |
511 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
512 | }, | |
513 | .capture = { | |
514 | .stream_name = "ssp0 Rx", | |
515 | .channels_min = SST_STEREO, | |
516 | .channels_max = SST_STEREO, | |
517 | .rates = SNDRV_PCM_RATE_48000, | |
518 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
519 | }, | |
520 | }, | |
521 | { | |
522 | .name = "ssp1-port", | |
523 | .ops = &sst_be_dai_ops, | |
524 | .playback = { | |
525 | .stream_name = "ssp1 Tx", | |
526 | .channels_min = SST_STEREO, | |
527 | .channels_max = SST_STEREO, | |
528 | .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000, | |
529 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
530 | }, | |
531 | .capture = { | |
532 | .stream_name = "ssp1 Rx", | |
533 | .channels_min = SST_STEREO, | |
534 | .channels_max = SST_STEREO, | |
535 | .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000, | |
536 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
537 | }, | |
538 | }, | |
539 | { | |
540 | .name = "ssp2-port", | |
541 | .ops = &sst_be_dai_ops, | |
542 | .playback = { | |
543 | .stream_name = "ssp2 Tx", | |
544 | .channels_min = SST_STEREO, | |
545 | .channels_max = SST_STEREO, | |
546 | .rates = SNDRV_PCM_RATE_48000, | |
547 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
548 | }, | |
549 | .capture = { | |
550 | .stream_name = "ssp2 Rx", | |
551 | .channels_min = SST_STEREO, | |
552 | .channels_max = SST_STEREO, | |
553 | .rates = SNDRV_PCM_RATE_48000, | |
554 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
555 | }, | |
556 | }, | |
6cc0f4e6 VK |
557 | }; |
558 | ||
559 | static int sst_platform_open(struct snd_pcm_substream *substream) | |
560 | { | |
561 | struct snd_pcm_runtime *runtime; | |
562 | ||
563 | if (substream->pcm->internal) | |
564 | return 0; | |
565 | ||
566 | runtime = substream->runtime; | |
567 | runtime->hw = sst_platform_pcm_hw; | |
568 | return 0; | |
569 | } | |
570 | ||
5106f5a1 | 571 | static int sst_platform_pcm_trigger(struct snd_pcm_substream *substream, |
d927fdae VK |
572 | int cmd) |
573 | { | |
574 | int ret_val = 0, str_id; | |
575 | struct sst_runtime_stream *stream; | |
5981c2d6 | 576 | int status; |
02024756 | 577 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
d927fdae | 578 | |
02024756 | 579 | dev_dbg(rtd->dev, "sst_platform_pcm_trigger called\n"); |
d2b16b8f VK |
580 | if (substream->pcm->internal) |
581 | return 0; | |
d927fdae | 582 | stream = substream->runtime->private_data; |
d927fdae | 583 | str_id = stream->stream_info.str_id; |
d927fdae VK |
584 | switch (cmd) { |
585 | case SNDRV_PCM_TRIGGER_START: | |
02024756 | 586 | dev_dbg(rtd->dev, "sst: Trigger Start\n"); |
a211701e | 587 | status = SST_PLATFORM_RUNNING; |
9daa5bd3 | 588 | stream->stream_info.arg = substream; |
b12b087c | 589 | ret_val = stream->ops->stream_start(sst->dev, str_id); |
d927fdae VK |
590 | break; |
591 | case SNDRV_PCM_TRIGGER_STOP: | |
02024756 | 592 | dev_dbg(rtd->dev, "sst: in stop\n"); |
a211701e | 593 | status = SST_PLATFORM_DROPPED; |
b12b087c | 594 | ret_val = stream->ops->stream_drop(sst->dev, str_id); |
d927fdae VK |
595 | break; |
596 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
02024756 | 597 | dev_dbg(rtd->dev, "sst: in pause\n"); |
a211701e | 598 | status = SST_PLATFORM_PAUSED; |
b12b087c | 599 | ret_val = stream->ops->stream_pause(sst->dev, str_id); |
d927fdae VK |
600 | break; |
601 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
02024756 | 602 | dev_dbg(rtd->dev, "sst: in pause release\n"); |
a211701e | 603 | status = SST_PLATFORM_RUNNING; |
b12b087c | 604 | ret_val = stream->ops->stream_pause_release(sst->dev, str_id); |
d927fdae VK |
605 | break; |
606 | default: | |
a211701e | 607 | return -EINVAL; |
d927fdae | 608 | } |
5981c2d6 | 609 | |
a211701e HP |
610 | if (!ret_val) |
611 | sst_set_stream_status(stream, status); | |
612 | ||
d927fdae VK |
613 | return ret_val; |
614 | } | |
615 | ||
616 | ||
5106f5a1 | 617 | static snd_pcm_uframes_t sst_platform_pcm_pointer |
d927fdae VK |
618 | (struct snd_pcm_substream *substream) |
619 | { | |
620 | struct sst_runtime_stream *stream; | |
5c68536f | 621 | int ret_val, status; |
d927fdae | 622 | struct pcm_stream_info *str_info; |
02024756 | 623 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
d927fdae | 624 | |
d927fdae | 625 | stream = substream->runtime->private_data; |
5c68536f HP |
626 | status = sst_get_stream_status(stream); |
627 | if (status == SST_PLATFORM_INIT) | |
d927fdae | 628 | return 0; |
d927fdae | 629 | str_info = &stream->stream_info; |
b12b087c | 630 | ret_val = stream->ops->stream_read_tstamp(sst->dev, str_info); |
d927fdae | 631 | if (ret_val) { |
02024756 | 632 | dev_err(rtd->dev, "sst: error code = %d\n", ret_val); |
d927fdae VK |
633 | return ret_val; |
634 | } | |
2a635825 | 635 | substream->runtime->delay = str_info->pcm_delay; |
6cc0f4e6 | 636 | return str_info->buffer_ptr; |
9ab88434 | 637 | } |
638 | ||
d927fdae | 639 | static struct snd_pcm_ops sst_platform_ops = { |
5106f5a1 | 640 | .open = sst_platform_open, |
d927fdae | 641 | .ioctl = snd_pcm_lib_ioctl, |
5106f5a1 VK |
642 | .trigger = sst_platform_pcm_trigger, |
643 | .pointer = sst_platform_pcm_pointer, | |
d927fdae VK |
644 | }; |
645 | ||
8faa8c1a | 646 | static int sst_pcm_new(struct snd_soc_pcm_runtime *rtd) |
d927fdae | 647 | { |
6cc0f4e6 | 648 | struct snd_soc_dai *dai = rtd->cpu_dai; |
552d1ef6 | 649 | struct snd_pcm *pcm = rtd->pcm; |
d927fdae VK |
650 | int retval = 0; |
651 | ||
6cc0f4e6 VK |
652 | if (dai->driver->playback.channels_min || |
653 | dai->driver->capture.channels_min) { | |
d927fdae VK |
654 | retval = snd_pcm_lib_preallocate_pages_for_all(pcm, |
655 | SNDRV_DMA_TYPE_CONTINUOUS, | |
6cc0f4e6 | 656 | snd_dma_continuous_data(GFP_DMA), |
d927fdae VK |
657 | SST_MIN_BUFFER, SST_MAX_BUFFER); |
658 | if (retval) { | |
02024756 | 659 | dev_err(rtd->dev, "dma buffer allocationf fail\n"); |
d927fdae VK |
660 | return retval; |
661 | } | |
662 | } | |
d927fdae VK |
663 | return retval; |
664 | } | |
c514a911 | 665 | |
d8499c9b VK |
666 | static int sst_soc_probe(struct snd_soc_platform *platform) |
667 | { | |
668 | return sst_dsp_init_v2_dpcm(platform); | |
669 | } | |
670 | ||
671 | static struct snd_soc_platform_driver sst_soc_platform_drv = { | |
672 | .probe = sst_soc_probe, | |
d927fdae | 673 | .ops = &sst_platform_ops, |
c514a911 | 674 | .compr_ops = &sst_platform_compr_ops, |
d927fdae | 675 | .pcm_new = sst_pcm_new, |
d927fdae VK |
676 | }; |
677 | ||
2b4c78df VK |
678 | static const struct snd_soc_component_driver sst_component = { |
679 | .name = "sst", | |
680 | }; | |
681 | ||
682 | ||
d927fdae VK |
683 | static int sst_platform_probe(struct platform_device *pdev) |
684 | { | |
61b165ca | 685 | struct sst_data *drv; |
d927fdae | 686 | int ret; |
2741d43a | 687 | struct sst_platform_data *pdata; |
61b165ca VK |
688 | |
689 | drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL); | |
19a23a5d | 690 | if (drv == NULL) { |
61b165ca VK |
691 | return -ENOMEM; |
692 | } | |
693 | ||
2741d43a SP |
694 | pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); |
695 | if (pdata == NULL) { | |
2741d43a SP |
696 | return -ENOMEM; |
697 | } | |
698 | ||
61b165ca VK |
699 | pdata->pdev_strm_map = dpcm_strm_map; |
700 | pdata->strm_map_size = ARRAY_SIZE(dpcm_strm_map); | |
701 | drv->pdata = pdata; | |
3172fcdd | 702 | drv->pdev = pdev; |
61b165ca VK |
703 | mutex_init(&drv->lock); |
704 | dev_set_drvdata(&pdev->dev, drv); | |
d927fdae | 705 | |
d927fdae VK |
706 | ret = snd_soc_register_platform(&pdev->dev, &sst_soc_platform_drv); |
707 | if (ret) { | |
02024756 | 708 | dev_err(&pdev->dev, "registering soc platform failed\n"); |
d927fdae VK |
709 | return ret; |
710 | } | |
5c68536f | 711 | |
b1c36861 | 712 | ret = snd_soc_register_component(&pdev->dev, &sst_component, |
d927fdae VK |
713 | sst_platform_dai, ARRAY_SIZE(sst_platform_dai)); |
714 | if (ret) { | |
02024756 | 715 | dev_err(&pdev->dev, "registering cpu dais failed\n"); |
d927fdae VK |
716 | snd_soc_unregister_platform(&pdev->dev); |
717 | } | |
718 | return ret; | |
719 | } | |
720 | ||
721 | static int sst_platform_remove(struct platform_device *pdev) | |
722 | { | |
723 | ||
b1c36861 | 724 | snd_soc_unregister_component(&pdev->dev); |
d927fdae | 725 | snd_soc_unregister_platform(&pdev->dev); |
02024756 | 726 | dev_dbg(&pdev->dev, "sst_platform_remove success\n"); |
d927fdae VK |
727 | return 0; |
728 | } | |
729 | ||
730 | static struct platform_driver sst_platform_driver = { | |
731 | .driver = { | |
a4b12990 | 732 | .name = "sst-mfld-platform", |
d927fdae VK |
733 | }, |
734 | .probe = sst_platform_probe, | |
735 | .remove = sst_platform_remove, | |
736 | }; | |
737 | ||
29515d62 | 738 | module_platform_driver(sst_platform_driver); |
d927fdae VK |
739 | |
740 | MODULE_DESCRIPTION("ASoC Intel(R) MID Platform driver"); | |
741 | MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>"); | |
742 | MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>"); | |
743 | MODULE_LICENSE("GPL v2"); | |
a4b12990 | 744 | MODULE_ALIAS("platform:sst-mfld-platform"); |