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 VK |
35 | static DEFINE_MUTEX(sst_lock); |
36 | ||
37 | int sst_register_dsp(struct sst_device *dev) | |
38 | { | |
656a22a1 TI |
39 | if (WARN_ON(!dev)) |
40 | return -EINVAL; | |
03c33042 VK |
41 | if (!try_module_get(dev->dev->driver->owner)) |
42 | return -ENODEV; | |
43 | mutex_lock(&sst_lock); | |
44 | if (sst) { | |
02024756 | 45 | dev_err(dev->dev, "we already have a device %s\n", sst->name); |
03c33042 VK |
46 | module_put(dev->dev->driver->owner); |
47 | mutex_unlock(&sst_lock); | |
48 | return -EEXIST; | |
49 | } | |
02024756 | 50 | dev_dbg(dev->dev, "registering device %s\n", dev->name); |
03c33042 VK |
51 | sst = dev; |
52 | mutex_unlock(&sst_lock); | |
53 | return 0; | |
54 | } | |
55 | EXPORT_SYMBOL_GPL(sst_register_dsp); | |
56 | ||
57 | int sst_unregister_dsp(struct sst_device *dev) | |
58 | { | |
656a22a1 TI |
59 | if (WARN_ON(!dev)) |
60 | return -EINVAL; | |
03c33042 VK |
61 | if (dev != sst) |
62 | return -EINVAL; | |
63 | ||
64 | mutex_lock(&sst_lock); | |
65 | ||
66 | if (!sst) { | |
67 | mutex_unlock(&sst_lock); | |
68 | return -EIO; | |
69 | } | |
70 | ||
71 | module_put(sst->dev->driver->owner); | |
02024756 | 72 | dev_dbg(dev->dev, "unreg %s\n", sst->name); |
03c33042 VK |
73 | sst = NULL; |
74 | mutex_unlock(&sst_lock); | |
75 | return 0; | |
76 | } | |
77 | EXPORT_SYMBOL_GPL(sst_unregister_dsp); | |
78 | ||
d927fdae VK |
79 | static struct snd_pcm_hardware sst_platform_pcm_hw = { |
80 | .info = (SNDRV_PCM_INFO_INTERLEAVED | | |
81 | SNDRV_PCM_INFO_DOUBLE | | |
82 | SNDRV_PCM_INFO_PAUSE | | |
83 | SNDRV_PCM_INFO_RESUME | | |
84 | SNDRV_PCM_INFO_MMAP| | |
85 | SNDRV_PCM_INFO_MMAP_VALID | | |
86 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
87 | SNDRV_PCM_INFO_SYNC_START), | |
d927fdae VK |
88 | .buffer_bytes_max = SST_MAX_BUFFER, |
89 | .period_bytes_min = SST_MIN_PERIOD_BYTES, | |
90 | .period_bytes_max = SST_MAX_PERIOD_BYTES, | |
91 | .periods_min = SST_MIN_PERIODS, | |
92 | .periods_max = SST_MAX_PERIODS, | |
93 | .fifo_size = SST_FIFO_SIZE, | |
94 | }; | |
95 | ||
61b165ca VK |
96 | static struct sst_dev_stream_map dpcm_strm_map[] = { |
97 | {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, /* Reserved, not in use */ | |
98 | {MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA1_IN, SST_TASK_ID_MEDIA, 0}, | |
99 | {MERR_DPCM_COMPR, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA0_IN, SST_TASK_ID_MEDIA, 0}, | |
100 | {MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_CAPTURE, PIPE_PCM1_OUT, SST_TASK_ID_MEDIA, 0}, | |
101 | }; | |
102 | ||
c82351da | 103 | static int sst_media_digital_mute(struct snd_soc_dai *dai, int mute, int stream) |
d927fdae | 104 | { |
c82351da VK |
105 | |
106 | return sst_send_pipe_gains(dai, stream, mute); | |
107 | } | |
5c68536f | 108 | |
d927fdae | 109 | /* helper functions */ |
4496ffab | 110 | void sst_set_stream_status(struct sst_runtime_stream *stream, |
5c68536f HP |
111 | int state) |
112 | { | |
d89b0a13 LG |
113 | unsigned long flags; |
114 | spin_lock_irqsave(&stream->status_lock, flags); | |
5c68536f | 115 | stream->stream_status = state; |
d89b0a13 | 116 | spin_unlock_irqrestore(&stream->status_lock, flags); |
5c68536f HP |
117 | } |
118 | ||
119 | static inline int sst_get_stream_status(struct sst_runtime_stream *stream) | |
120 | { | |
121 | int state; | |
d89b0a13 | 122 | unsigned long flags; |
5c68536f | 123 | |
d89b0a13 | 124 | spin_lock_irqsave(&stream->status_lock, flags); |
5c68536f | 125 | state = stream->stream_status; |
d89b0a13 | 126 | spin_unlock_irqrestore(&stream->status_lock, flags); |
5c68536f HP |
127 | return state; |
128 | } | |
129 | ||
a870cdce VK |
130 | static void sst_fill_alloc_params(struct snd_pcm_substream *substream, |
131 | struct snd_sst_alloc_params_ext *alloc_param) | |
132 | { | |
133 | unsigned int channels; | |
134 | snd_pcm_uframes_t period_size; | |
135 | ssize_t periodbytes; | |
136 | ssize_t buffer_bytes = snd_pcm_lib_buffer_bytes(substream); | |
137 | u32 buffer_addr = virt_to_phys(substream->dma_buffer.area); | |
138 | ||
139 | channels = substream->runtime->channels; | |
140 | period_size = substream->runtime->period_size; | |
141 | periodbytes = samples_to_bytes(substream->runtime, period_size); | |
142 | alloc_param->ring_buf_info[0].addr = buffer_addr; | |
143 | alloc_param->ring_buf_info[0].size = buffer_bytes; | |
144 | alloc_param->sg_count = 1; | |
145 | alloc_param->reserved = 0; | |
146 | alloc_param->frag_size = periodbytes * channels; | |
147 | ||
148 | } | |
5c68536f | 149 | static void sst_fill_pcm_params(struct snd_pcm_substream *substream, |
a870cdce | 150 | struct snd_sst_stream_params *param) |
5c68536f | 151 | { |
a870cdce VK |
152 | param->uc.pcm_params.num_chan = (u8) substream->runtime->channels; |
153 | param->uc.pcm_params.pcm_wd_sz = substream->runtime->sample_bits; | |
154 | param->uc.pcm_params.sfreq = substream->runtime->rate; | |
5c68536f | 155 | |
a870cdce VK |
156 | /* PCM stream via ALSA interface */ |
157 | param->uc.pcm_params.use_offload_path = 0; | |
158 | param->uc.pcm_params.reserved2 = 0; | |
159 | memset(param->uc.pcm_params.channel_map, 0, sizeof(u8)); | |
160 | ||
161 | } | |
61b165ca VK |
162 | |
163 | static int sst_get_stream_mapping(int dev, int sdev, int dir, | |
164 | struct sst_dev_stream_map *map, int size) | |
165 | { | |
166 | int i; | |
167 | ||
168 | if (map == NULL) | |
169 | return -EINVAL; | |
170 | ||
171 | ||
172 | /* index 0 is not used in stream map */ | |
173 | for (i = 1; i < size; i++) { | |
174 | if ((map[i].dev_num == dev) && (map[i].direction == dir)) | |
175 | return i; | |
176 | } | |
177 | return 0; | |
178 | } | |
179 | ||
a870cdce | 180 | int sst_fill_stream_params(void *substream, |
61b165ca | 181 | const struct sst_data *ctx, struct snd_sst_params *str_params, bool is_compress) |
a870cdce | 182 | { |
61b165ca VK |
183 | int map_size; |
184 | int index; | |
185 | struct sst_dev_stream_map *map; | |
a870cdce VK |
186 | struct snd_pcm_substream *pstream = NULL; |
187 | struct snd_compr_stream *cstream = NULL; | |
188 | ||
61b165ca VK |
189 | map = ctx->pdata->pdev_strm_map; |
190 | map_size = ctx->pdata->strm_map_size; | |
191 | ||
a870cdce VK |
192 | if (is_compress == true) |
193 | cstream = (struct snd_compr_stream *)substream; | |
194 | else | |
195 | pstream = (struct snd_pcm_substream *)substream; | |
196 | ||
197 | str_params->stream_type = SST_STREAM_TYPE_MUSIC; | |
198 | ||
199 | /* For pcm streams */ | |
61b165ca VK |
200 | if (pstream) { |
201 | index = sst_get_stream_mapping(pstream->pcm->device, | |
202 | pstream->number, pstream->stream, | |
203 | map, map_size); | |
204 | if (index <= 0) | |
205 | return -EINVAL; | |
206 | ||
207 | str_params->stream_id = index; | |
208 | str_params->device_type = map[index].device_id; | |
209 | str_params->task = map[index].task_id; | |
210 | ||
a870cdce | 211 | str_params->ops = (u8)pstream->stream; |
61b165ca VK |
212 | } |
213 | ||
214 | if (cstream) { | |
215 | index = sst_get_stream_mapping(cstream->device->device, | |
216 | 0, cstream->direction, | |
217 | map, map_size); | |
218 | if (index <= 0) | |
219 | return -EINVAL; | |
220 | str_params->stream_id = index; | |
221 | str_params->device_type = map[index].device_id; | |
222 | str_params->task = map[index].task_id; | |
a870cdce | 223 | |
61b165ca VK |
224 | str_params->ops = (u8)cstream->direction; |
225 | } | |
a870cdce | 226 | return 0; |
5c68536f HP |
227 | } |
228 | ||
a870cdce | 229 | static int sst_platform_alloc_stream(struct snd_pcm_substream *substream, |
6df5d768 | 230 | struct snd_soc_dai *dai) |
d927fdae VK |
231 | { |
232 | struct sst_runtime_stream *stream = | |
233 | substream->runtime->private_data; | |
a870cdce VK |
234 | struct snd_sst_stream_params param = {{{0,},},}; |
235 | struct snd_sst_params str_params = {0}; | |
236 | struct snd_sst_alloc_params_ext alloc_params = {0}; | |
237 | int ret_val = 0; | |
6df5d768 | 238 | struct sst_data *ctx = snd_soc_dai_get_drvdata(dai); |
d927fdae VK |
239 | |
240 | /* set codec params and inform SST driver the same */ | |
5c68536f | 241 | sst_fill_pcm_params(substream, ¶m); |
a870cdce | 242 | sst_fill_alloc_params(substream, &alloc_params); |
d927fdae | 243 | substream->runtime->dma_area = substream->dma_buffer.area; |
d927fdae | 244 | str_params.sparams = param; |
a870cdce VK |
245 | str_params.aparams = alloc_params; |
246 | str_params.codec = SST_CODEC_TYPE_PCM; | |
247 | ||
248 | /* fill the device type and stream id to pass to SST driver */ | |
61b165ca | 249 | ret_val = sst_fill_stream_params(substream, ctx, &str_params, false); |
d927fdae VK |
250 | if (ret_val < 0) |
251 | return ret_val; | |
252 | ||
a870cdce VK |
253 | stream->stream_info.str_id = str_params.stream_id; |
254 | ||
b12b087c | 255 | ret_val = stream->ops->open(sst->dev, &str_params); |
a870cdce VK |
256 | if (ret_val <= 0) |
257 | return ret_val; | |
258 | ||
259 | ||
d927fdae VK |
260 | return ret_val; |
261 | } | |
262 | ||
9daa5bd3 | 263 | static void sst_period_elapsed(void *arg) |
d927fdae | 264 | { |
9daa5bd3 | 265 | struct snd_pcm_substream *substream = arg; |
d927fdae | 266 | struct sst_runtime_stream *stream; |
5c68536f | 267 | int status; |
d927fdae VK |
268 | |
269 | if (!substream || !substream->runtime) | |
270 | return; | |
271 | stream = substream->runtime->private_data; | |
272 | if (!stream) | |
273 | return; | |
5c68536f HP |
274 | status = sst_get_stream_status(stream); |
275 | if (status != SST_PLATFORM_RUNNING) | |
d927fdae | 276 | return; |
d927fdae | 277 | snd_pcm_period_elapsed(substream); |
d927fdae VK |
278 | } |
279 | ||
280 | static int sst_platform_init_stream(struct snd_pcm_substream *substream) | |
281 | { | |
282 | struct sst_runtime_stream *stream = | |
283 | substream->runtime->private_data; | |
02024756 | 284 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
d927fdae VK |
285 | int ret_val; |
286 | ||
02024756 | 287 | dev_dbg(rtd->dev, "setting buffer ptr param\n"); |
5c68536f | 288 | sst_set_stream_status(stream, SST_PLATFORM_INIT); |
d927fdae | 289 | stream->stream_info.period_elapsed = sst_period_elapsed; |
9daa5bd3 | 290 | stream->stream_info.arg = substream; |
d927fdae VK |
291 | stream->stream_info.buffer_ptr = 0; |
292 | stream->stream_info.sfreq = substream->runtime->rate; | |
b12b087c | 293 | ret_val = stream->ops->stream_init(sst->dev, &stream->stream_info); |
d927fdae | 294 | if (ret_val) |
02024756 | 295 | dev_err(rtd->dev, "control_set ret error %d\n", ret_val); |
d927fdae VK |
296 | return ret_val; |
297 | ||
298 | } | |
d927fdae | 299 | |
0121327c VK |
300 | static int power_up_sst(struct sst_runtime_stream *stream) |
301 | { | |
302 | return stream->ops->power(sst->dev, true); | |
303 | } | |
304 | ||
305 | static void power_down_sst(struct sst_runtime_stream *stream) | |
306 | { | |
307 | stream->ops->power(sst->dev, false); | |
308 | } | |
309 | ||
6cc0f4e6 VK |
310 | static int sst_media_open(struct snd_pcm_substream *substream, |
311 | struct snd_soc_dai *dai) | |
d927fdae | 312 | { |
6cc0f4e6 | 313 | int ret_val = 0; |
22be504a | 314 | struct snd_pcm_runtime *runtime = substream->runtime; |
d927fdae | 315 | struct sst_runtime_stream *stream; |
22be504a | 316 | |
d927fdae VK |
317 | stream = kzalloc(sizeof(*stream), GFP_KERNEL); |
318 | if (!stream) | |
319 | return -ENOMEM; | |
d927fdae | 320 | spin_lock_init(&stream->status_lock); |
03c33042 VK |
321 | |
322 | /* get the sst ops */ | |
323 | mutex_lock(&sst_lock); | |
6cc0f4e6 VK |
324 | if (!sst || |
325 | !try_module_get(sst->dev->driver->owner)) { | |
02024756 | 326 | dev_err(dai->dev, "no device available to run\n"); |
6cc0f4e6 VK |
327 | ret_val = -ENODEV; |
328 | goto out_ops; | |
d927fdae | 329 | } |
03c33042 VK |
330 | stream->ops = sst->ops; |
331 | mutex_unlock(&sst_lock); | |
332 | ||
333 | stream->stream_info.str_id = 0; | |
6cc0f4e6 | 334 | |
9daa5bd3 | 335 | stream->stream_info.arg = substream; |
03c33042 | 336 | /* allocate memory for SST API set */ |
d927fdae | 337 | runtime->private_data = stream; |
283e42e0 | 338 | |
0121327c VK |
339 | ret_val = power_up_sst(stream); |
340 | if (ret_val < 0) | |
341 | return ret_val; | |
342 | ||
6cc0f4e6 VK |
343 | /* Make sure, that the period size is always even */ |
344 | snd_pcm_hw_constraint_step(substream->runtime, 0, | |
345 | SNDRV_PCM_HW_PARAM_PERIODS, 2); | |
346 | ||
347 | return snd_pcm_hw_constraint_integer(runtime, | |
348 | SNDRV_PCM_HW_PARAM_PERIODS); | |
349 | out_ops: | |
350 | kfree(stream); | |
351 | mutex_unlock(&sst_lock); | |
352 | return ret_val; | |
d927fdae VK |
353 | } |
354 | ||
6cc0f4e6 VK |
355 | static void sst_media_close(struct snd_pcm_substream *substream, |
356 | struct snd_soc_dai *dai) | |
d927fdae VK |
357 | { |
358 | struct sst_runtime_stream *stream; | |
359 | int ret_val = 0, str_id; | |
360 | ||
d927fdae | 361 | stream = substream->runtime->private_data; |
0121327c VK |
362 | power_down_sst(stream); |
363 | ||
d927fdae | 364 | str_id = stream->stream_info.str_id; |
d927fdae | 365 | if (str_id) |
b12b087c | 366 | ret_val = stream->ops->close(sst->dev, str_id); |
03c33042 | 367 | module_put(sst->dev->driver->owner); |
d927fdae | 368 | kfree(stream); |
61b165ca VK |
369 | } |
370 | ||
6cc0f4e6 VK |
371 | static int sst_media_prepare(struct snd_pcm_substream *substream, |
372 | struct snd_soc_dai *dai) | |
d927fdae VK |
373 | { |
374 | struct sst_runtime_stream *stream; | |
375 | int ret_val = 0, str_id; | |
376 | ||
d927fdae VK |
377 | stream = substream->runtime->private_data; |
378 | str_id = stream->stream_info.str_id; | |
379 | if (stream->stream_info.str_id) { | |
b12b087c | 380 | ret_val = stream->ops->stream_drop(sst->dev, str_id); |
d927fdae VK |
381 | return ret_val; |
382 | } | |
383 | ||
6df5d768 | 384 | ret_val = sst_platform_alloc_stream(substream, dai); |
a870cdce | 385 | if (ret_val <= 0) |
d927fdae VK |
386 | return ret_val; |
387 | snprintf(substream->pcm->id, sizeof(substream->pcm->id), | |
388 | "%d", stream->stream_info.str_id); | |
389 | ||
390 | ret_val = sst_platform_init_stream(substream); | |
391 | if (ret_val) | |
392 | return ret_val; | |
393 | substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER; | |
394 | return ret_val; | |
395 | } | |
396 | ||
6cc0f4e6 VK |
397 | static int sst_media_hw_params(struct snd_pcm_substream *substream, |
398 | struct snd_pcm_hw_params *params, | |
399 | struct snd_soc_dai *dai) | |
400 | { | |
401 | snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); | |
402 | memset(substream->runtime->dma_area, 0, params_buffer_bytes(params)); | |
403 | return 0; | |
404 | } | |
405 | ||
406 | static int sst_media_hw_free(struct snd_pcm_substream *substream, | |
407 | struct snd_soc_dai *dai) | |
408 | { | |
409 | return snd_pcm_lib_free_pages(substream); | |
410 | } | |
411 | ||
c82351da VK |
412 | static int sst_enable_ssp(struct snd_pcm_substream *substream, |
413 | struct snd_soc_dai *dai) | |
414 | { | |
415 | int ret = 0; | |
416 | ||
417 | if (!dai->active) { | |
418 | ret = sst_handle_vb_timer(dai, true); | |
711bc947 | 419 | sst_fill_ssp_defaults(dai); |
c82351da VK |
420 | } |
421 | return ret; | |
422 | } | |
423 | ||
711bc947 VK |
424 | static int sst_be_hw_params(struct snd_pcm_substream *substream, |
425 | struct snd_pcm_hw_params *params, | |
426 | struct snd_soc_dai *dai) | |
427 | { | |
428 | int ret = 0; | |
429 | ||
430 | if (dai->active == 1) | |
431 | ret = send_ssp_cmd(dai, dai->name, 1); | |
432 | return ret; | |
433 | } | |
434 | ||
0b44e345 VK |
435 | static int sst_set_format(struct snd_soc_dai *dai, unsigned int fmt) |
436 | { | |
437 | int ret = 0; | |
438 | ||
439 | if (!dai->active) | |
440 | return 0; | |
441 | ||
442 | ret = sst_fill_ssp_config(dai, fmt); | |
443 | if (ret < 0) | |
444 | dev_err(dai->dev, "sst_set_format failed..\n"); | |
445 | ||
446 | return ret; | |
447 | } | |
448 | ||
83f125e2 VK |
449 | static int sst_platform_set_ssp_slot(struct snd_soc_dai *dai, |
450 | unsigned int tx_mask, unsigned int rx_mask, | |
451 | int slots, int slot_width) { | |
452 | int ret = 0; | |
453 | ||
454 | if (!dai->active) | |
455 | return ret; | |
456 | ||
457 | ret = sst_fill_ssp_slot(dai, tx_mask, rx_mask, slots, slot_width); | |
458 | if (ret < 0) | |
459 | dev_err(dai->dev, "sst_fill_ssp_slot failed..%d\n", ret); | |
460 | ||
461 | return ret; | |
462 | } | |
463 | ||
c82351da VK |
464 | static void sst_disable_ssp(struct snd_pcm_substream *substream, |
465 | struct snd_soc_dai *dai) | |
466 | { | |
467 | if (!dai->active) { | |
468 | send_ssp_cmd(dai, dai->name, 0); | |
469 | sst_handle_vb_timer(dai, false); | |
470 | } | |
471 | } | |
472 | ||
6cc0f4e6 VK |
473 | static struct snd_soc_dai_ops sst_media_dai_ops = { |
474 | .startup = sst_media_open, | |
475 | .shutdown = sst_media_close, | |
476 | .prepare = sst_media_prepare, | |
477 | .hw_params = sst_media_hw_params, | |
478 | .hw_free = sst_media_hw_free, | |
c82351da VK |
479 | .mute_stream = sst_media_digital_mute, |
480 | }; | |
481 | ||
482 | static struct snd_soc_dai_ops sst_compr_dai_ops = { | |
483 | .mute_stream = sst_media_digital_mute, | |
484 | }; | |
485 | ||
486 | static struct snd_soc_dai_ops sst_be_dai_ops = { | |
487 | .startup = sst_enable_ssp, | |
711bc947 | 488 | .hw_params = sst_be_hw_params, |
0b44e345 | 489 | .set_fmt = sst_set_format, |
83f125e2 | 490 | .set_tdm_slot = sst_platform_set_ssp_slot, |
c82351da VK |
491 | .shutdown = sst_disable_ssp, |
492 | }; | |
493 | ||
494 | static struct snd_soc_dai_driver sst_platform_dai[] = { | |
495 | { | |
496 | .name = "media-cpu-dai", | |
497 | .ops = &sst_media_dai_ops, | |
498 | .playback = { | |
499 | .stream_name = "Headset Playback", | |
500 | .channels_min = SST_STEREO, | |
501 | .channels_max = SST_STEREO, | |
502 | .rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000, | |
503 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
504 | }, | |
505 | .capture = { | |
506 | .stream_name = "Headset Capture", | |
507 | .channels_min = 1, | |
508 | .channels_max = 2, | |
509 | .rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000, | |
510 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
511 | }, | |
512 | }, | |
513 | { | |
514 | .name = "compress-cpu-dai", | |
6f0c4226 | 515 | .compress_new = snd_soc_new_compress, |
c82351da VK |
516 | .ops = &sst_compr_dai_ops, |
517 | .playback = { | |
518 | .stream_name = "Compress Playback", | |
519 | .channels_min = SST_STEREO, | |
520 | .channels_max = SST_STEREO, | |
521 | .rates = SNDRV_PCM_RATE_48000, | |
522 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
523 | }, | |
524 | }, | |
525 | /* BE CPU Dais */ | |
526 | { | |
527 | .name = "ssp0-port", | |
528 | .ops = &sst_be_dai_ops, | |
529 | .playback = { | |
530 | .stream_name = "ssp0 Tx", | |
531 | .channels_min = SST_STEREO, | |
532 | .channels_max = SST_STEREO, | |
533 | .rates = SNDRV_PCM_RATE_48000, | |
534 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
535 | }, | |
536 | .capture = { | |
537 | .stream_name = "ssp0 Rx", | |
538 | .channels_min = SST_STEREO, | |
539 | .channels_max = SST_STEREO, | |
540 | .rates = SNDRV_PCM_RATE_48000, | |
541 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
542 | }, | |
543 | }, | |
544 | { | |
545 | .name = "ssp1-port", | |
546 | .ops = &sst_be_dai_ops, | |
547 | .playback = { | |
548 | .stream_name = "ssp1 Tx", | |
549 | .channels_min = SST_STEREO, | |
550 | .channels_max = SST_STEREO, | |
551 | .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000, | |
552 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
553 | }, | |
554 | .capture = { | |
555 | .stream_name = "ssp1 Rx", | |
556 | .channels_min = SST_STEREO, | |
557 | .channels_max = SST_STEREO, | |
558 | .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000, | |
559 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
560 | }, | |
561 | }, | |
562 | { | |
563 | .name = "ssp2-port", | |
564 | .ops = &sst_be_dai_ops, | |
565 | .playback = { | |
566 | .stream_name = "ssp2 Tx", | |
567 | .channels_min = SST_STEREO, | |
568 | .channels_max = SST_STEREO, | |
569 | .rates = SNDRV_PCM_RATE_48000, | |
570 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
571 | }, | |
572 | .capture = { | |
573 | .stream_name = "ssp2 Rx", | |
574 | .channels_min = SST_STEREO, | |
575 | .channels_max = SST_STEREO, | |
576 | .rates = SNDRV_PCM_RATE_48000, | |
577 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
578 | }, | |
579 | }, | |
6cc0f4e6 VK |
580 | }; |
581 | ||
582 | static int sst_platform_open(struct snd_pcm_substream *substream) | |
583 | { | |
584 | struct snd_pcm_runtime *runtime; | |
585 | ||
586 | if (substream->pcm->internal) | |
587 | return 0; | |
588 | ||
589 | runtime = substream->runtime; | |
590 | runtime->hw = sst_platform_pcm_hw; | |
591 | return 0; | |
592 | } | |
593 | ||
5106f5a1 | 594 | static int sst_platform_pcm_trigger(struct snd_pcm_substream *substream, |
d927fdae VK |
595 | int cmd) |
596 | { | |
597 | int ret_val = 0, str_id; | |
598 | struct sst_runtime_stream *stream; | |
5981c2d6 | 599 | int status; |
02024756 | 600 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
d927fdae | 601 | |
02024756 | 602 | dev_dbg(rtd->dev, "sst_platform_pcm_trigger called\n"); |
d2b16b8f VK |
603 | if (substream->pcm->internal) |
604 | return 0; | |
d927fdae | 605 | stream = substream->runtime->private_data; |
d927fdae | 606 | str_id = stream->stream_info.str_id; |
d927fdae VK |
607 | switch (cmd) { |
608 | case SNDRV_PCM_TRIGGER_START: | |
02024756 | 609 | dev_dbg(rtd->dev, "sst: Trigger Start\n"); |
a211701e | 610 | status = SST_PLATFORM_RUNNING; |
9daa5bd3 | 611 | stream->stream_info.arg = substream; |
b12b087c | 612 | ret_val = stream->ops->stream_start(sst->dev, str_id); |
d927fdae VK |
613 | break; |
614 | case SNDRV_PCM_TRIGGER_STOP: | |
02024756 | 615 | dev_dbg(rtd->dev, "sst: in stop\n"); |
a211701e | 616 | status = SST_PLATFORM_DROPPED; |
b12b087c | 617 | ret_val = stream->ops->stream_drop(sst->dev, str_id); |
d927fdae VK |
618 | break; |
619 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
fc9406ab | 620 | case SNDRV_PCM_TRIGGER_SUSPEND: |
02024756 | 621 | dev_dbg(rtd->dev, "sst: in pause\n"); |
a211701e | 622 | status = SST_PLATFORM_PAUSED; |
b12b087c | 623 | ret_val = stream->ops->stream_pause(sst->dev, str_id); |
d927fdae VK |
624 | break; |
625 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
fc9406ab | 626 | case SNDRV_PCM_TRIGGER_RESUME: |
02024756 | 627 | dev_dbg(rtd->dev, "sst: in pause release\n"); |
a211701e | 628 | status = SST_PLATFORM_RUNNING; |
b12b087c | 629 | ret_val = stream->ops->stream_pause_release(sst->dev, str_id); |
d927fdae VK |
630 | break; |
631 | default: | |
a211701e | 632 | return -EINVAL; |
d927fdae | 633 | } |
5981c2d6 | 634 | |
a211701e HP |
635 | if (!ret_val) |
636 | sst_set_stream_status(stream, status); | |
637 | ||
d927fdae VK |
638 | return ret_val; |
639 | } | |
640 | ||
641 | ||
5106f5a1 | 642 | static snd_pcm_uframes_t sst_platform_pcm_pointer |
d927fdae VK |
643 | (struct snd_pcm_substream *substream) |
644 | { | |
645 | struct sst_runtime_stream *stream; | |
5c68536f | 646 | int ret_val, status; |
d927fdae | 647 | struct pcm_stream_info *str_info; |
02024756 | 648 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
d927fdae | 649 | |
d927fdae | 650 | stream = substream->runtime->private_data; |
5c68536f HP |
651 | status = sst_get_stream_status(stream); |
652 | if (status == SST_PLATFORM_INIT) | |
d927fdae | 653 | return 0; |
d927fdae | 654 | str_info = &stream->stream_info; |
b12b087c | 655 | ret_val = stream->ops->stream_read_tstamp(sst->dev, str_info); |
d927fdae | 656 | if (ret_val) { |
02024756 | 657 | dev_err(rtd->dev, "sst: error code = %d\n", ret_val); |
d927fdae VK |
658 | return ret_val; |
659 | } | |
2a635825 | 660 | substream->runtime->delay = str_info->pcm_delay; |
6cc0f4e6 | 661 | return str_info->buffer_ptr; |
9ab88434 | 662 | } |
663 | ||
d927fdae | 664 | static struct snd_pcm_ops sst_platform_ops = { |
5106f5a1 | 665 | .open = sst_platform_open, |
d927fdae | 666 | .ioctl = snd_pcm_lib_ioctl, |
5106f5a1 VK |
667 | .trigger = sst_platform_pcm_trigger, |
668 | .pointer = sst_platform_pcm_pointer, | |
d927fdae VK |
669 | }; |
670 | ||
8faa8c1a | 671 | static int sst_pcm_new(struct snd_soc_pcm_runtime *rtd) |
d927fdae | 672 | { |
6cc0f4e6 | 673 | struct snd_soc_dai *dai = rtd->cpu_dai; |
552d1ef6 | 674 | struct snd_pcm *pcm = rtd->pcm; |
d927fdae VK |
675 | int retval = 0; |
676 | ||
6cc0f4e6 VK |
677 | if (dai->driver->playback.channels_min || |
678 | dai->driver->capture.channels_min) { | |
d927fdae VK |
679 | retval = snd_pcm_lib_preallocate_pages_for_all(pcm, |
680 | SNDRV_DMA_TYPE_CONTINUOUS, | |
6cc0f4e6 | 681 | snd_dma_continuous_data(GFP_DMA), |
d927fdae VK |
682 | SST_MIN_BUFFER, SST_MAX_BUFFER); |
683 | if (retval) { | |
02024756 | 684 | dev_err(rtd->dev, "dma buffer allocationf fail\n"); |
d927fdae VK |
685 | return retval; |
686 | } | |
687 | } | |
d927fdae VK |
688 | return retval; |
689 | } | |
c514a911 | 690 | |
d8499c9b VK |
691 | static int sst_soc_probe(struct snd_soc_platform *platform) |
692 | { | |
54e6becc VK |
693 | struct sst_data *drv = dev_get_drvdata(platform->dev); |
694 | ||
695 | drv->soc_card = platform->component.card; | |
d8499c9b VK |
696 | return sst_dsp_init_v2_dpcm(platform); |
697 | } | |
698 | ||
699 | static struct snd_soc_platform_driver sst_soc_platform_drv = { | |
700 | .probe = sst_soc_probe, | |
d927fdae | 701 | .ops = &sst_platform_ops, |
c514a911 | 702 | .compr_ops = &sst_platform_compr_ops, |
d927fdae | 703 | .pcm_new = sst_pcm_new, |
d927fdae VK |
704 | }; |
705 | ||
2b4c78df VK |
706 | static const struct snd_soc_component_driver sst_component = { |
707 | .name = "sst", | |
708 | }; | |
709 | ||
710 | ||
d927fdae VK |
711 | static int sst_platform_probe(struct platform_device *pdev) |
712 | { | |
61b165ca | 713 | struct sst_data *drv; |
d927fdae | 714 | int ret; |
2741d43a | 715 | struct sst_platform_data *pdata; |
61b165ca VK |
716 | |
717 | drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL); | |
19a23a5d | 718 | if (drv == NULL) { |
61b165ca VK |
719 | return -ENOMEM; |
720 | } | |
721 | ||
2741d43a SP |
722 | pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); |
723 | if (pdata == NULL) { | |
2741d43a SP |
724 | return -ENOMEM; |
725 | } | |
726 | ||
61b165ca VK |
727 | pdata->pdev_strm_map = dpcm_strm_map; |
728 | pdata->strm_map_size = ARRAY_SIZE(dpcm_strm_map); | |
729 | drv->pdata = pdata; | |
3172fcdd | 730 | drv->pdev = pdev; |
61b165ca VK |
731 | mutex_init(&drv->lock); |
732 | dev_set_drvdata(&pdev->dev, drv); | |
d927fdae | 733 | |
d927fdae VK |
734 | ret = snd_soc_register_platform(&pdev->dev, &sst_soc_platform_drv); |
735 | if (ret) { | |
02024756 | 736 | dev_err(&pdev->dev, "registering soc platform failed\n"); |
d927fdae VK |
737 | return ret; |
738 | } | |
5c68536f | 739 | |
b1c36861 | 740 | ret = snd_soc_register_component(&pdev->dev, &sst_component, |
d927fdae VK |
741 | sst_platform_dai, ARRAY_SIZE(sst_platform_dai)); |
742 | if (ret) { | |
02024756 | 743 | dev_err(&pdev->dev, "registering cpu dais failed\n"); |
d927fdae VK |
744 | snd_soc_unregister_platform(&pdev->dev); |
745 | } | |
746 | return ret; | |
747 | } | |
748 | ||
749 | static int sst_platform_remove(struct platform_device *pdev) | |
750 | { | |
751 | ||
b1c36861 | 752 | snd_soc_unregister_component(&pdev->dev); |
d927fdae | 753 | snd_soc_unregister_platform(&pdev->dev); |
02024756 | 754 | dev_dbg(&pdev->dev, "sst_platform_remove success\n"); |
d927fdae VK |
755 | return 0; |
756 | } | |
757 | ||
54e6becc VK |
758 | #ifdef CONFIG_PM_SLEEP |
759 | ||
760 | static int sst_soc_prepare(struct device *dev) | |
761 | { | |
762 | struct sst_data *drv = dev_get_drvdata(dev); | |
763 | int i; | |
764 | ||
765 | /* suspend all pcms first */ | |
766 | snd_soc_suspend(drv->soc_card->dev); | |
767 | snd_soc_poweroff(drv->soc_card->dev); | |
768 | ||
769 | /* set the SSPs to idle */ | |
770 | for (i = 0; i < drv->soc_card->num_rtd; i++) { | |
771 | struct snd_soc_dai *dai = drv->soc_card->rtd[i].cpu_dai; | |
772 | ||
773 | if (dai->active) { | |
774 | send_ssp_cmd(dai, dai->name, 0); | |
775 | sst_handle_vb_timer(dai, false); | |
776 | } | |
777 | } | |
778 | ||
779 | return 0; | |
780 | } | |
781 | ||
782 | static void sst_soc_complete(struct device *dev) | |
783 | { | |
784 | struct sst_data *drv = dev_get_drvdata(dev); | |
785 | int i; | |
786 | ||
787 | /* restart SSPs */ | |
788 | for (i = 0; i < drv->soc_card->num_rtd; i++) { | |
789 | struct snd_soc_dai *dai = drv->soc_card->rtd[i].cpu_dai; | |
790 | ||
791 | if (dai->active) { | |
792 | sst_handle_vb_timer(dai, true); | |
793 | send_ssp_cmd(dai, dai->name, 1); | |
794 | } | |
795 | } | |
796 | snd_soc_resume(drv->soc_card->dev); | |
797 | } | |
798 | ||
799 | #else | |
800 | ||
801 | #define sst_soc_prepare NULL | |
802 | #define sst_soc_complete NULL | |
803 | ||
804 | #endif | |
805 | ||
806 | ||
807 | static const struct dev_pm_ops sst_platform_pm = { | |
808 | .prepare = sst_soc_prepare, | |
809 | .complete = sst_soc_complete, | |
810 | }; | |
811 | ||
d927fdae VK |
812 | static struct platform_driver sst_platform_driver = { |
813 | .driver = { | |
a4b12990 | 814 | .name = "sst-mfld-platform", |
54e6becc | 815 | .pm = &sst_platform_pm, |
d927fdae VK |
816 | }, |
817 | .probe = sst_platform_probe, | |
818 | .remove = sst_platform_remove, | |
819 | }; | |
820 | ||
29515d62 | 821 | module_platform_driver(sst_platform_driver); |
d927fdae VK |
822 | |
823 | MODULE_DESCRIPTION("ASoC Intel(R) MID Platform driver"); | |
824 | MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>"); | |
825 | MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>"); | |
826 | MODULE_LICENSE("GPL v2"); | |
a4b12990 | 827 | MODULE_ALIAS("platform:sst-mfld-platform"); |