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Commit | Line | Data |
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8e8e69d6 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
d927fdae | 2 | /* |
a4b12990 | 3 | * sst_mfld_platform.c - Intel MID Platform driver |
d927fdae | 4 | * |
61b165ca | 5 | * Copyright (C) 2010-2014 Intel Corp |
d927fdae VK |
6 | * Author: Vinod Koul <vinod.koul@intel.com> |
7 | * Author: Harsha Priya <priya.harsha@intel.com> | |
8 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
9 | * | |
d927fdae | 10 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
d927fdae VK |
11 | */ |
12 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
13 | ||
14 | #include <linux/slab.h> | |
15 | #include <linux/io.h> | |
da155d5b | 16 | #include <linux/module.h> |
d927fdae VK |
17 | #include <sound/core.h> |
18 | #include <sound/pcm.h> | |
19 | #include <sound/pcm_params.h> | |
20 | #include <sound/soc.h> | |
c514a911 | 21 | #include <sound/compress_driver.h> |
61b165ca | 22 | #include <asm/platform_sst_audio.h> |
a4b12990 | 23 | #include "sst-mfld-platform.h" |
61b165ca | 24 | #include "sst-atom-controls.h" |
d927fdae | 25 | |
4b68b4e1 | 26 | struct sst_device *sst; |
03c33042 VK |
27 | static DEFINE_MUTEX(sst_lock); |
28 | ||
29 | int sst_register_dsp(struct sst_device *dev) | |
30 | { | |
656a22a1 TI |
31 | if (WARN_ON(!dev)) |
32 | return -EINVAL; | |
03c33042 VK |
33 | if (!try_module_get(dev->dev->driver->owner)) |
34 | return -ENODEV; | |
35 | mutex_lock(&sst_lock); | |
36 | if (sst) { | |
02024756 | 37 | dev_err(dev->dev, "we already have a device %s\n", sst->name); |
03c33042 VK |
38 | module_put(dev->dev->driver->owner); |
39 | mutex_unlock(&sst_lock); | |
40 | return -EEXIST; | |
41 | } | |
02024756 | 42 | dev_dbg(dev->dev, "registering device %s\n", dev->name); |
03c33042 VK |
43 | sst = dev; |
44 | mutex_unlock(&sst_lock); | |
45 | return 0; | |
46 | } | |
47 | EXPORT_SYMBOL_GPL(sst_register_dsp); | |
48 | ||
49 | int sst_unregister_dsp(struct sst_device *dev) | |
50 | { | |
656a22a1 TI |
51 | if (WARN_ON(!dev)) |
52 | return -EINVAL; | |
03c33042 VK |
53 | if (dev != sst) |
54 | return -EINVAL; | |
55 | ||
56 | mutex_lock(&sst_lock); | |
57 | ||
58 | if (!sst) { | |
59 | mutex_unlock(&sst_lock); | |
60 | return -EIO; | |
61 | } | |
62 | ||
63 | module_put(sst->dev->driver->owner); | |
02024756 | 64 | dev_dbg(dev->dev, "unreg %s\n", sst->name); |
03c33042 VK |
65 | sst = NULL; |
66 | mutex_unlock(&sst_lock); | |
67 | return 0; | |
68 | } | |
69 | EXPORT_SYMBOL_GPL(sst_unregister_dsp); | |
70 | ||
a7468e47 | 71 | static const struct snd_pcm_hardware sst_platform_pcm_hw = { |
d927fdae VK |
72 | .info = (SNDRV_PCM_INFO_INTERLEAVED | |
73 | SNDRV_PCM_INFO_DOUBLE | | |
74 | SNDRV_PCM_INFO_PAUSE | | |
75 | SNDRV_PCM_INFO_RESUME | | |
76 | SNDRV_PCM_INFO_MMAP| | |
77 | SNDRV_PCM_INFO_MMAP_VALID | | |
78 | SNDRV_PCM_INFO_BLOCK_TRANSFER | | |
79 | SNDRV_PCM_INFO_SYNC_START), | |
d927fdae VK |
80 | .buffer_bytes_max = SST_MAX_BUFFER, |
81 | .period_bytes_min = SST_MIN_PERIOD_BYTES, | |
82 | .period_bytes_max = SST_MAX_PERIOD_BYTES, | |
83 | .periods_min = SST_MIN_PERIODS, | |
84 | .periods_max = SST_MAX_PERIODS, | |
85 | .fifo_size = SST_FIFO_SIZE, | |
86 | }; | |
87 | ||
61b165ca VK |
88 | static struct sst_dev_stream_map dpcm_strm_map[] = { |
89 | {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, /* Reserved, not in use */ | |
90 | {MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA1_IN, SST_TASK_ID_MEDIA, 0}, | |
91 | {MERR_DPCM_COMPR, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA0_IN, SST_TASK_ID_MEDIA, 0}, | |
92 | {MERR_DPCM_AUDIO, 0, SNDRV_PCM_STREAM_CAPTURE, PIPE_PCM1_OUT, SST_TASK_ID_MEDIA, 0}, | |
8788f839 | 93 | {MERR_DPCM_DEEP_BUFFER, 0, SNDRV_PCM_STREAM_PLAYBACK, PIPE_MEDIA3_IN, SST_TASK_ID_MEDIA, 0}, |
61b165ca VK |
94 | }; |
95 | ||
c82351da | 96 | static int sst_media_digital_mute(struct snd_soc_dai *dai, int mute, int stream) |
d927fdae | 97 | { |
c82351da VK |
98 | |
99 | return sst_send_pipe_gains(dai, stream, mute); | |
100 | } | |
5c68536f | 101 | |
d927fdae | 102 | /* helper functions */ |
4496ffab | 103 | void sst_set_stream_status(struct sst_runtime_stream *stream, |
5c68536f HP |
104 | int state) |
105 | { | |
d89b0a13 LG |
106 | unsigned long flags; |
107 | spin_lock_irqsave(&stream->status_lock, flags); | |
5c68536f | 108 | stream->stream_status = state; |
d89b0a13 | 109 | spin_unlock_irqrestore(&stream->status_lock, flags); |
5c68536f HP |
110 | } |
111 | ||
112 | static inline int sst_get_stream_status(struct sst_runtime_stream *stream) | |
113 | { | |
114 | int state; | |
d89b0a13 | 115 | unsigned long flags; |
5c68536f | 116 | |
d89b0a13 | 117 | spin_lock_irqsave(&stream->status_lock, flags); |
5c68536f | 118 | state = stream->stream_status; |
d89b0a13 | 119 | spin_unlock_irqrestore(&stream->status_lock, flags); |
5c68536f HP |
120 | return state; |
121 | } | |
122 | ||
a870cdce VK |
123 | static void sst_fill_alloc_params(struct snd_pcm_substream *substream, |
124 | struct snd_sst_alloc_params_ext *alloc_param) | |
125 | { | |
126 | unsigned int channels; | |
127 | snd_pcm_uframes_t period_size; | |
128 | ssize_t periodbytes; | |
129 | ssize_t buffer_bytes = snd_pcm_lib_buffer_bytes(substream); | |
130 | u32 buffer_addr = virt_to_phys(substream->dma_buffer.area); | |
131 | ||
132 | channels = substream->runtime->channels; | |
133 | period_size = substream->runtime->period_size; | |
134 | periodbytes = samples_to_bytes(substream->runtime, period_size); | |
135 | alloc_param->ring_buf_info[0].addr = buffer_addr; | |
136 | alloc_param->ring_buf_info[0].size = buffer_bytes; | |
137 | alloc_param->sg_count = 1; | |
138 | alloc_param->reserved = 0; | |
139 | alloc_param->frag_size = periodbytes * channels; | |
140 | ||
141 | } | |
5c68536f | 142 | static void sst_fill_pcm_params(struct snd_pcm_substream *substream, |
a870cdce | 143 | struct snd_sst_stream_params *param) |
5c68536f | 144 | { |
a870cdce VK |
145 | param->uc.pcm_params.num_chan = (u8) substream->runtime->channels; |
146 | param->uc.pcm_params.pcm_wd_sz = substream->runtime->sample_bits; | |
147 | param->uc.pcm_params.sfreq = substream->runtime->rate; | |
5c68536f | 148 | |
a870cdce VK |
149 | /* PCM stream via ALSA interface */ |
150 | param->uc.pcm_params.use_offload_path = 0; | |
151 | param->uc.pcm_params.reserved2 = 0; | |
152 | memset(param->uc.pcm_params.channel_map, 0, sizeof(u8)); | |
153 | ||
154 | } | |
61b165ca VK |
155 | |
156 | static int sst_get_stream_mapping(int dev, int sdev, int dir, | |
157 | struct sst_dev_stream_map *map, int size) | |
158 | { | |
159 | int i; | |
160 | ||
161 | if (map == NULL) | |
162 | return -EINVAL; | |
163 | ||
164 | ||
165 | /* index 0 is not used in stream map */ | |
166 | for (i = 1; i < size; i++) { | |
167 | if ((map[i].dev_num == dev) && (map[i].direction == dir)) | |
168 | return i; | |
169 | } | |
170 | return 0; | |
171 | } | |
172 | ||
a870cdce | 173 | int sst_fill_stream_params(void *substream, |
61b165ca | 174 | const struct sst_data *ctx, struct snd_sst_params *str_params, bool is_compress) |
a870cdce | 175 | { |
61b165ca VK |
176 | int map_size; |
177 | int index; | |
178 | struct sst_dev_stream_map *map; | |
a870cdce VK |
179 | struct snd_pcm_substream *pstream = NULL; |
180 | struct snd_compr_stream *cstream = NULL; | |
181 | ||
61b165ca VK |
182 | map = ctx->pdata->pdev_strm_map; |
183 | map_size = ctx->pdata->strm_map_size; | |
184 | ||
10583cda | 185 | if (is_compress) |
a870cdce VK |
186 | cstream = (struct snd_compr_stream *)substream; |
187 | else | |
188 | pstream = (struct snd_pcm_substream *)substream; | |
189 | ||
190 | str_params->stream_type = SST_STREAM_TYPE_MUSIC; | |
191 | ||
192 | /* For pcm streams */ | |
61b165ca VK |
193 | if (pstream) { |
194 | index = sst_get_stream_mapping(pstream->pcm->device, | |
195 | pstream->number, pstream->stream, | |
196 | map, map_size); | |
197 | if (index <= 0) | |
198 | return -EINVAL; | |
199 | ||
200 | str_params->stream_id = index; | |
201 | str_params->device_type = map[index].device_id; | |
202 | str_params->task = map[index].task_id; | |
203 | ||
a870cdce | 204 | str_params->ops = (u8)pstream->stream; |
61b165ca VK |
205 | } |
206 | ||
207 | if (cstream) { | |
208 | index = sst_get_stream_mapping(cstream->device->device, | |
209 | 0, cstream->direction, | |
210 | map, map_size); | |
211 | if (index <= 0) | |
212 | return -EINVAL; | |
213 | str_params->stream_id = index; | |
214 | str_params->device_type = map[index].device_id; | |
215 | str_params->task = map[index].task_id; | |
a870cdce | 216 | |
61b165ca VK |
217 | str_params->ops = (u8)cstream->direction; |
218 | } | |
a870cdce | 219 | return 0; |
5c68536f HP |
220 | } |
221 | ||
a870cdce | 222 | static int sst_platform_alloc_stream(struct snd_pcm_substream *substream, |
6df5d768 | 223 | struct snd_soc_dai *dai) |
d927fdae VK |
224 | { |
225 | struct sst_runtime_stream *stream = | |
226 | substream->runtime->private_data; | |
a870cdce VK |
227 | struct snd_sst_stream_params param = {{{0,},},}; |
228 | struct snd_sst_params str_params = {0}; | |
229 | struct snd_sst_alloc_params_ext alloc_params = {0}; | |
230 | int ret_val = 0; | |
6df5d768 | 231 | struct sst_data *ctx = snd_soc_dai_get_drvdata(dai); |
d927fdae VK |
232 | |
233 | /* set codec params and inform SST driver the same */ | |
5c68536f | 234 | sst_fill_pcm_params(substream, ¶m); |
a870cdce | 235 | sst_fill_alloc_params(substream, &alloc_params); |
d927fdae | 236 | substream->runtime->dma_area = substream->dma_buffer.area; |
d927fdae | 237 | str_params.sparams = param; |
a870cdce VK |
238 | str_params.aparams = alloc_params; |
239 | str_params.codec = SST_CODEC_TYPE_PCM; | |
240 | ||
241 | /* fill the device type and stream id to pass to SST driver */ | |
61b165ca | 242 | ret_val = sst_fill_stream_params(substream, ctx, &str_params, false); |
d927fdae VK |
243 | if (ret_val < 0) |
244 | return ret_val; | |
245 | ||
a870cdce VK |
246 | stream->stream_info.str_id = str_params.stream_id; |
247 | ||
b12b087c | 248 | ret_val = stream->ops->open(sst->dev, &str_params); |
a870cdce VK |
249 | if (ret_val <= 0) |
250 | return ret_val; | |
251 | ||
252 | ||
d927fdae VK |
253 | return ret_val; |
254 | } | |
255 | ||
9daa5bd3 | 256 | static void sst_period_elapsed(void *arg) |
d927fdae | 257 | { |
9daa5bd3 | 258 | struct snd_pcm_substream *substream = arg; |
d927fdae | 259 | struct sst_runtime_stream *stream; |
5c68536f | 260 | int status; |
d927fdae VK |
261 | |
262 | if (!substream || !substream->runtime) | |
263 | return; | |
264 | stream = substream->runtime->private_data; | |
265 | if (!stream) | |
266 | return; | |
5c68536f HP |
267 | status = sst_get_stream_status(stream); |
268 | if (status != SST_PLATFORM_RUNNING) | |
d927fdae | 269 | return; |
d927fdae | 270 | snd_pcm_period_elapsed(substream); |
d927fdae VK |
271 | } |
272 | ||
273 | static int sst_platform_init_stream(struct snd_pcm_substream *substream) | |
274 | { | |
275 | struct sst_runtime_stream *stream = | |
276 | substream->runtime->private_data; | |
02024756 | 277 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
d927fdae VK |
278 | int ret_val; |
279 | ||
02024756 | 280 | dev_dbg(rtd->dev, "setting buffer ptr param\n"); |
5c68536f | 281 | sst_set_stream_status(stream, SST_PLATFORM_INIT); |
d927fdae | 282 | stream->stream_info.period_elapsed = sst_period_elapsed; |
9daa5bd3 | 283 | stream->stream_info.arg = substream; |
d927fdae VK |
284 | stream->stream_info.buffer_ptr = 0; |
285 | stream->stream_info.sfreq = substream->runtime->rate; | |
b12b087c | 286 | ret_val = stream->ops->stream_init(sst->dev, &stream->stream_info); |
d927fdae | 287 | if (ret_val) |
02024756 | 288 | dev_err(rtd->dev, "control_set ret error %d\n", ret_val); |
d927fdae VK |
289 | return ret_val; |
290 | ||
291 | } | |
d927fdae | 292 | |
0121327c VK |
293 | static int power_up_sst(struct sst_runtime_stream *stream) |
294 | { | |
295 | return stream->ops->power(sst->dev, true); | |
296 | } | |
297 | ||
298 | static void power_down_sst(struct sst_runtime_stream *stream) | |
299 | { | |
300 | stream->ops->power(sst->dev, false); | |
301 | } | |
302 | ||
6cc0f4e6 VK |
303 | static int sst_media_open(struct snd_pcm_substream *substream, |
304 | struct snd_soc_dai *dai) | |
d927fdae | 305 | { |
6cc0f4e6 | 306 | int ret_val = 0; |
22be504a | 307 | struct snd_pcm_runtime *runtime = substream->runtime; |
d927fdae | 308 | struct sst_runtime_stream *stream; |
22be504a | 309 | |
d927fdae VK |
310 | stream = kzalloc(sizeof(*stream), GFP_KERNEL); |
311 | if (!stream) | |
312 | return -ENOMEM; | |
d927fdae | 313 | spin_lock_init(&stream->status_lock); |
03c33042 VK |
314 | |
315 | /* get the sst ops */ | |
316 | mutex_lock(&sst_lock); | |
6cc0f4e6 VK |
317 | if (!sst || |
318 | !try_module_get(sst->dev->driver->owner)) { | |
02024756 | 319 | dev_err(dai->dev, "no device available to run\n"); |
6cc0f4e6 VK |
320 | ret_val = -ENODEV; |
321 | goto out_ops; | |
d927fdae | 322 | } |
03c33042 VK |
323 | stream->ops = sst->ops; |
324 | mutex_unlock(&sst_lock); | |
325 | ||
326 | stream->stream_info.str_id = 0; | |
6cc0f4e6 | 327 | |
9daa5bd3 | 328 | stream->stream_info.arg = substream; |
03c33042 | 329 | /* allocate memory for SST API set */ |
d927fdae | 330 | runtime->private_data = stream; |
283e42e0 | 331 | |
0121327c VK |
332 | ret_val = power_up_sst(stream); |
333 | if (ret_val < 0) | |
334 | return ret_val; | |
335 | ||
6cc0f4e6 VK |
336 | /* Make sure, that the period size is always even */ |
337 | snd_pcm_hw_constraint_step(substream->runtime, 0, | |
338 | SNDRV_PCM_HW_PARAM_PERIODS, 2); | |
339 | ||
340 | return snd_pcm_hw_constraint_integer(runtime, | |
341 | SNDRV_PCM_HW_PARAM_PERIODS); | |
342 | out_ops: | |
343 | kfree(stream); | |
344 | mutex_unlock(&sst_lock); | |
345 | return ret_val; | |
d927fdae VK |
346 | } |
347 | ||
6cc0f4e6 VK |
348 | static void sst_media_close(struct snd_pcm_substream *substream, |
349 | struct snd_soc_dai *dai) | |
d927fdae VK |
350 | { |
351 | struct sst_runtime_stream *stream; | |
7d7c80f3 | 352 | int str_id; |
d927fdae | 353 | |
d927fdae | 354 | stream = substream->runtime->private_data; |
0121327c VK |
355 | power_down_sst(stream); |
356 | ||
d927fdae | 357 | str_id = stream->stream_info.str_id; |
d927fdae | 358 | if (str_id) |
7d7c80f3 | 359 | stream->ops->close(sst->dev, str_id); |
03c33042 | 360 | module_put(sst->dev->driver->owner); |
d927fdae | 361 | kfree(stream); |
61b165ca VK |
362 | } |
363 | ||
6cc0f4e6 VK |
364 | static int sst_media_prepare(struct snd_pcm_substream *substream, |
365 | struct snd_soc_dai *dai) | |
d927fdae VK |
366 | { |
367 | struct sst_runtime_stream *stream; | |
368 | int ret_val = 0, str_id; | |
369 | ||
d927fdae VK |
370 | stream = substream->runtime->private_data; |
371 | str_id = stream->stream_info.str_id; | |
372 | if (stream->stream_info.str_id) { | |
b12b087c | 373 | ret_val = stream->ops->stream_drop(sst->dev, str_id); |
d927fdae VK |
374 | return ret_val; |
375 | } | |
376 | ||
6df5d768 | 377 | ret_val = sst_platform_alloc_stream(substream, dai); |
a870cdce | 378 | if (ret_val <= 0) |
d927fdae VK |
379 | return ret_val; |
380 | snprintf(substream->pcm->id, sizeof(substream->pcm->id), | |
381 | "%d", stream->stream_info.str_id); | |
382 | ||
383 | ret_val = sst_platform_init_stream(substream); | |
384 | if (ret_val) | |
385 | return ret_val; | |
386 | substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER; | |
387 | return ret_val; | |
388 | } | |
389 | ||
6cc0f4e6 VK |
390 | static int sst_media_hw_params(struct snd_pcm_substream *substream, |
391 | struct snd_pcm_hw_params *params, | |
392 | struct snd_soc_dai *dai) | |
393 | { | |
44fabd8c KL |
394 | int ret; |
395 | ||
396 | ret = | |
397 | snd_pcm_lib_malloc_pages(substream, | |
398 | params_buffer_bytes(params)); | |
399 | if (ret) | |
400 | return ret; | |
6cc0f4e6 VK |
401 | memset(substream->runtime->dma_area, 0, params_buffer_bytes(params)); |
402 | return 0; | |
403 | } | |
404 | ||
405 | static int sst_media_hw_free(struct snd_pcm_substream *substream, | |
406 | struct snd_soc_dai *dai) | |
407 | { | |
408 | return snd_pcm_lib_free_pages(substream); | |
409 | } | |
410 | ||
c82351da VK |
411 | static int sst_enable_ssp(struct snd_pcm_substream *substream, |
412 | struct snd_soc_dai *dai) | |
413 | { | |
414 | int ret = 0; | |
415 | ||
416 | if (!dai->active) { | |
417 | ret = sst_handle_vb_timer(dai, true); | |
711bc947 | 418 | sst_fill_ssp_defaults(dai); |
c82351da VK |
419 | } |
420 | return ret; | |
421 | } | |
422 | ||
711bc947 VK |
423 | static int sst_be_hw_params(struct snd_pcm_substream *substream, |
424 | struct snd_pcm_hw_params *params, | |
425 | struct snd_soc_dai *dai) | |
426 | { | |
427 | int ret = 0; | |
428 | ||
429 | if (dai->active == 1) | |
430 | ret = send_ssp_cmd(dai, dai->name, 1); | |
431 | return ret; | |
432 | } | |
433 | ||
0b44e345 VK |
434 | static int sst_set_format(struct snd_soc_dai *dai, unsigned int fmt) |
435 | { | |
436 | int ret = 0; | |
437 | ||
438 | if (!dai->active) | |
439 | return 0; | |
440 | ||
441 | ret = sst_fill_ssp_config(dai, fmt); | |
442 | if (ret < 0) | |
443 | dev_err(dai->dev, "sst_set_format failed..\n"); | |
444 | ||
445 | return ret; | |
446 | } | |
447 | ||
83f125e2 VK |
448 | static int sst_platform_set_ssp_slot(struct snd_soc_dai *dai, |
449 | unsigned int tx_mask, unsigned int rx_mask, | |
450 | int slots, int slot_width) { | |
451 | int ret = 0; | |
452 | ||
453 | if (!dai->active) | |
454 | return ret; | |
455 | ||
456 | ret = sst_fill_ssp_slot(dai, tx_mask, rx_mask, slots, slot_width); | |
457 | if (ret < 0) | |
458 | dev_err(dai->dev, "sst_fill_ssp_slot failed..%d\n", ret); | |
459 | ||
460 | return ret; | |
461 | } | |
462 | ||
c82351da VK |
463 | static void sst_disable_ssp(struct snd_pcm_substream *substream, |
464 | struct snd_soc_dai *dai) | |
465 | { | |
466 | if (!dai->active) { | |
467 | send_ssp_cmd(dai, dai->name, 0); | |
468 | sst_handle_vb_timer(dai, false); | |
469 | } | |
470 | } | |
471 | ||
c115a317 | 472 | static const struct snd_soc_dai_ops sst_media_dai_ops = { |
6cc0f4e6 VK |
473 | .startup = sst_media_open, |
474 | .shutdown = sst_media_close, | |
475 | .prepare = sst_media_prepare, | |
476 | .hw_params = sst_media_hw_params, | |
477 | .hw_free = sst_media_hw_free, | |
c82351da VK |
478 | .mute_stream = sst_media_digital_mute, |
479 | }; | |
480 | ||
c115a317 | 481 | static const struct snd_soc_dai_ops sst_compr_dai_ops = { |
c82351da VK |
482 | .mute_stream = sst_media_digital_mute, |
483 | }; | |
484 | ||
c115a317 | 485 | static const struct snd_soc_dai_ops sst_be_dai_ops = { |
c82351da | 486 | .startup = sst_enable_ssp, |
711bc947 | 487 | .hw_params = sst_be_hw_params, |
0b44e345 | 488 | .set_fmt = sst_set_format, |
83f125e2 | 489 | .set_tdm_slot = sst_platform_set_ssp_slot, |
c82351da VK |
490 | .shutdown = sst_disable_ssp, |
491 | }; | |
492 | ||
493 | static struct snd_soc_dai_driver sst_platform_dai[] = { | |
494 | { | |
495 | .name = "media-cpu-dai", | |
496 | .ops = &sst_media_dai_ops, | |
497 | .playback = { | |
498 | .stream_name = "Headset Playback", | |
499 | .channels_min = SST_STEREO, | |
500 | .channels_max = SST_STEREO, | |
501 | .rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000, | |
098c2cd2 | 502 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
c82351da VK |
503 | }, |
504 | .capture = { | |
505 | .stream_name = "Headset Capture", | |
506 | .channels_min = 1, | |
507 | .channels_max = 2, | |
508 | .rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000, | |
098c2cd2 | 509 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
c82351da VK |
510 | }, |
511 | }, | |
8788f839 PLB |
512 | { |
513 | .name = "deepbuffer-cpu-dai", | |
514 | .ops = &sst_media_dai_ops, | |
515 | .playback = { | |
516 | .stream_name = "Deepbuffer Playback", | |
517 | .channels_min = SST_STEREO, | |
518 | .channels_max = SST_STEREO, | |
519 | .rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000, | |
098c2cd2 | 520 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, |
8788f839 PLB |
521 | }, |
522 | }, | |
c82351da VK |
523 | { |
524 | .name = "compress-cpu-dai", | |
6f0c4226 | 525 | .compress_new = snd_soc_new_compress, |
c82351da VK |
526 | .ops = &sst_compr_dai_ops, |
527 | .playback = { | |
528 | .stream_name = "Compress Playback", | |
292d4200 | 529 | .channels_min = 1, |
c82351da VK |
530 | }, |
531 | }, | |
532 | /* BE CPU Dais */ | |
533 | { | |
534 | .name = "ssp0-port", | |
535 | .ops = &sst_be_dai_ops, | |
536 | .playback = { | |
537 | .stream_name = "ssp0 Tx", | |
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 | .capture = { | |
544 | .stream_name = "ssp0 Rx", | |
545 | .channels_min = SST_STEREO, | |
546 | .channels_max = SST_STEREO, | |
547 | .rates = SNDRV_PCM_RATE_48000, | |
548 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
549 | }, | |
550 | }, | |
551 | { | |
552 | .name = "ssp1-port", | |
553 | .ops = &sst_be_dai_ops, | |
554 | .playback = { | |
555 | .stream_name = "ssp1 Tx", | |
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 | .capture = { | |
562 | .stream_name = "ssp1 Rx", | |
563 | .channels_min = SST_STEREO, | |
564 | .channels_max = SST_STEREO, | |
565 | .rates = SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_48000, | |
566 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
567 | }, | |
568 | }, | |
569 | { | |
570 | .name = "ssp2-port", | |
571 | .ops = &sst_be_dai_ops, | |
572 | .playback = { | |
573 | .stream_name = "ssp2 Tx", | |
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 | .capture = { | |
580 | .stream_name = "ssp2 Rx", | |
581 | .channels_min = SST_STEREO, | |
582 | .channels_max = SST_STEREO, | |
583 | .rates = SNDRV_PCM_RATE_48000, | |
584 | .formats = SNDRV_PCM_FMTBIT_S16_LE, | |
585 | }, | |
586 | }, | |
6cc0f4e6 VK |
587 | }; |
588 | ||
589 | static int sst_platform_open(struct snd_pcm_substream *substream) | |
590 | { | |
591 | struct snd_pcm_runtime *runtime; | |
592 | ||
593 | if (substream->pcm->internal) | |
594 | return 0; | |
595 | ||
596 | runtime = substream->runtime; | |
597 | runtime->hw = sst_platform_pcm_hw; | |
598 | return 0; | |
599 | } | |
600 | ||
5106f5a1 | 601 | static int sst_platform_pcm_trigger(struct snd_pcm_substream *substream, |
d927fdae VK |
602 | int cmd) |
603 | { | |
604 | int ret_val = 0, str_id; | |
605 | struct sst_runtime_stream *stream; | |
5981c2d6 | 606 | int status; |
02024756 | 607 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
d927fdae | 608 | |
02024756 | 609 | dev_dbg(rtd->dev, "sst_platform_pcm_trigger called\n"); |
d2b16b8f VK |
610 | if (substream->pcm->internal) |
611 | return 0; | |
d927fdae | 612 | stream = substream->runtime->private_data; |
d927fdae | 613 | str_id = stream->stream_info.str_id; |
d927fdae VK |
614 | switch (cmd) { |
615 | case SNDRV_PCM_TRIGGER_START: | |
02024756 | 616 | dev_dbg(rtd->dev, "sst: Trigger Start\n"); |
a211701e | 617 | status = SST_PLATFORM_RUNNING; |
9daa5bd3 | 618 | stream->stream_info.arg = substream; |
b12b087c | 619 | ret_val = stream->ops->stream_start(sst->dev, str_id); |
d927fdae VK |
620 | break; |
621 | case SNDRV_PCM_TRIGGER_STOP: | |
02024756 | 622 | dev_dbg(rtd->dev, "sst: in stop\n"); |
a211701e | 623 | status = SST_PLATFORM_DROPPED; |
b12b087c | 624 | ret_val = stream->ops->stream_drop(sst->dev, str_id); |
d927fdae VK |
625 | break; |
626 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
fc9406ab | 627 | case SNDRV_PCM_TRIGGER_SUSPEND: |
02024756 | 628 | dev_dbg(rtd->dev, "sst: in pause\n"); |
a211701e | 629 | status = SST_PLATFORM_PAUSED; |
b12b087c | 630 | ret_val = stream->ops->stream_pause(sst->dev, str_id); |
d927fdae VK |
631 | break; |
632 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
fc9406ab | 633 | case SNDRV_PCM_TRIGGER_RESUME: |
02024756 | 634 | dev_dbg(rtd->dev, "sst: in pause release\n"); |
a211701e | 635 | status = SST_PLATFORM_RUNNING; |
b12b087c | 636 | ret_val = stream->ops->stream_pause_release(sst->dev, str_id); |
d927fdae VK |
637 | break; |
638 | default: | |
a211701e | 639 | return -EINVAL; |
d927fdae | 640 | } |
5981c2d6 | 641 | |
a211701e HP |
642 | if (!ret_val) |
643 | sst_set_stream_status(stream, status); | |
644 | ||
d927fdae VK |
645 | return ret_val; |
646 | } | |
647 | ||
648 | ||
5106f5a1 | 649 | static snd_pcm_uframes_t sst_platform_pcm_pointer |
d927fdae VK |
650 | (struct snd_pcm_substream *substream) |
651 | { | |
652 | struct sst_runtime_stream *stream; | |
5c68536f | 653 | int ret_val, status; |
d927fdae | 654 | struct pcm_stream_info *str_info; |
02024756 | 655 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
d927fdae | 656 | |
d927fdae | 657 | stream = substream->runtime->private_data; |
5c68536f HP |
658 | status = sst_get_stream_status(stream); |
659 | if (status == SST_PLATFORM_INIT) | |
d927fdae | 660 | return 0; |
d927fdae | 661 | str_info = &stream->stream_info; |
b12b087c | 662 | ret_val = stream->ops->stream_read_tstamp(sst->dev, str_info); |
d927fdae | 663 | if (ret_val) { |
02024756 | 664 | dev_err(rtd->dev, "sst: error code = %d\n", ret_val); |
d927fdae VK |
665 | return ret_val; |
666 | } | |
2a635825 | 667 | substream->runtime->delay = str_info->pcm_delay; |
6cc0f4e6 | 668 | return str_info->buffer_ptr; |
9ab88434 | 669 | } |
670 | ||
115c7254 | 671 | static const struct snd_pcm_ops sst_platform_ops = { |
5106f5a1 | 672 | .open = sst_platform_open, |
d927fdae | 673 | .ioctl = snd_pcm_lib_ioctl, |
5106f5a1 VK |
674 | .trigger = sst_platform_pcm_trigger, |
675 | .pointer = sst_platform_pcm_pointer, | |
d927fdae VK |
676 | }; |
677 | ||
8faa8c1a | 678 | static int sst_pcm_new(struct snd_soc_pcm_runtime *rtd) |
d927fdae | 679 | { |
6cc0f4e6 | 680 | struct snd_soc_dai *dai = rtd->cpu_dai; |
552d1ef6 | 681 | struct snd_pcm *pcm = rtd->pcm; |
d927fdae | 682 | |
6cc0f4e6 VK |
683 | if (dai->driver->playback.channels_min || |
684 | dai->driver->capture.channels_min) { | |
62961dd5 | 685 | snd_pcm_lib_preallocate_pages_for_all(pcm, |
d927fdae | 686 | SNDRV_DMA_TYPE_CONTINUOUS, |
6cc0f4e6 | 687 | snd_dma_continuous_data(GFP_DMA), |
d927fdae | 688 | SST_MIN_BUFFER, SST_MAX_BUFFER); |
d927fdae | 689 | } |
62961dd5 | 690 | return 0; |
d927fdae | 691 | } |
c514a911 | 692 | |
6840962b | 693 | static int sst_soc_probe(struct snd_soc_component *component) |
d8499c9b | 694 | { |
6840962b | 695 | struct sst_data *drv = dev_get_drvdata(component->dev); |
54e6becc | 696 | |
6840962b KM |
697 | drv->soc_card = component->card; |
698 | return sst_dsp_init_v2_dpcm(component); | |
d8499c9b VK |
699 | } |
700 | ||
8f71370f GR |
701 | static void sst_soc_remove(struct snd_soc_component *component) |
702 | { | |
703 | struct sst_data *drv = dev_get_drvdata(component->dev); | |
704 | ||
705 | drv->soc_card = NULL; | |
706 | } | |
707 | ||
6840962b KM |
708 | static const struct snd_soc_component_driver sst_soc_platform_drv = { |
709 | .name = DRV_NAME, | |
d8499c9b | 710 | .probe = sst_soc_probe, |
8f71370f | 711 | .remove = sst_soc_remove, |
d927fdae | 712 | .ops = &sst_platform_ops, |
c514a911 | 713 | .compr_ops = &sst_platform_compr_ops, |
d927fdae | 714 | .pcm_new = sst_pcm_new, |
d927fdae VK |
715 | }; |
716 | ||
717 | static int sst_platform_probe(struct platform_device *pdev) | |
718 | { | |
61b165ca | 719 | struct sst_data *drv; |
d927fdae | 720 | int ret; |
2741d43a | 721 | struct sst_platform_data *pdata; |
61b165ca VK |
722 | |
723 | drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL); | |
19a23a5d | 724 | if (drv == NULL) { |
61b165ca VK |
725 | return -ENOMEM; |
726 | } | |
727 | ||
2741d43a SP |
728 | pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); |
729 | if (pdata == NULL) { | |
2741d43a SP |
730 | return -ENOMEM; |
731 | } | |
732 | ||
61b165ca VK |
733 | pdata->pdev_strm_map = dpcm_strm_map; |
734 | pdata->strm_map_size = ARRAY_SIZE(dpcm_strm_map); | |
735 | drv->pdata = pdata; | |
3172fcdd | 736 | drv->pdev = pdev; |
61b165ca VK |
737 | mutex_init(&drv->lock); |
738 | dev_set_drvdata(&pdev->dev, drv); | |
d927fdae | 739 | |
6840962b | 740 | ret = devm_snd_soc_register_component(&pdev->dev, &sst_soc_platform_drv, |
d927fdae | 741 | sst_platform_dai, ARRAY_SIZE(sst_platform_dai)); |
6840962b | 742 | if (ret) |
02024756 | 743 | dev_err(&pdev->dev, "registering cpu dais failed\n"); |
6840962b | 744 | |
d927fdae VK |
745 | return ret; |
746 | } | |
747 | ||
748 | static int sst_platform_remove(struct platform_device *pdev) | |
749 | { | |
02024756 | 750 | dev_dbg(&pdev->dev, "sst_platform_remove success\n"); |
d927fdae VK |
751 | return 0; |
752 | } | |
753 | ||
54e6becc VK |
754 | #ifdef CONFIG_PM_SLEEP |
755 | ||
756 | static int sst_soc_prepare(struct device *dev) | |
757 | { | |
758 | struct sst_data *drv = dev_get_drvdata(dev); | |
1a497983 | 759 | struct snd_soc_pcm_runtime *rtd; |
54e6becc | 760 | |
2fc995a8 TI |
761 | if (!drv->soc_card) |
762 | return 0; | |
763 | ||
54e6becc VK |
764 | /* suspend all pcms first */ |
765 | snd_soc_suspend(drv->soc_card->dev); | |
766 | snd_soc_poweroff(drv->soc_card->dev); | |
767 | ||
768 | /* set the SSPs to idle */ | |
bcb1fd1f | 769 | for_each_card_rtds(drv->soc_card, rtd) { |
1a497983 | 770 | struct snd_soc_dai *dai = rtd->cpu_dai; |
54e6becc VK |
771 | |
772 | if (dai->active) { | |
773 | send_ssp_cmd(dai, dai->name, 0); | |
774 | sst_handle_vb_timer(dai, false); | |
775 | } | |
776 | } | |
777 | ||
778 | return 0; | |
779 | } | |
780 | ||
781 | static void sst_soc_complete(struct device *dev) | |
782 | { | |
783 | struct sst_data *drv = dev_get_drvdata(dev); | |
1a497983 | 784 | struct snd_soc_pcm_runtime *rtd; |
54e6becc | 785 | |
2fc995a8 TI |
786 | if (!drv->soc_card) |
787 | return; | |
788 | ||
54e6becc | 789 | /* restart SSPs */ |
bcb1fd1f | 790 | for_each_card_rtds(drv->soc_card, rtd) { |
1a497983 | 791 | struct snd_soc_dai *dai = rtd->cpu_dai; |
54e6becc VK |
792 | |
793 | if (dai->active) { | |
794 | sst_handle_vb_timer(dai, true); | |
795 | send_ssp_cmd(dai, dai->name, 1); | |
796 | } | |
797 | } | |
798 | snd_soc_resume(drv->soc_card->dev); | |
799 | } | |
800 | ||
801 | #else | |
802 | ||
803 | #define sst_soc_prepare NULL | |
804 | #define sst_soc_complete NULL | |
805 | ||
806 | #endif | |
807 | ||
808 | ||
809 | static const struct dev_pm_ops sst_platform_pm = { | |
810 | .prepare = sst_soc_prepare, | |
811 | .complete = sst_soc_complete, | |
812 | }; | |
813 | ||
d927fdae VK |
814 | static struct platform_driver sst_platform_driver = { |
815 | .driver = { | |
a4b12990 | 816 | .name = "sst-mfld-platform", |
54e6becc | 817 | .pm = &sst_platform_pm, |
d927fdae VK |
818 | }, |
819 | .probe = sst_platform_probe, | |
820 | .remove = sst_platform_remove, | |
821 | }; | |
822 | ||
29515d62 | 823 | module_platform_driver(sst_platform_driver); |
d927fdae VK |
824 | |
825 | MODULE_DESCRIPTION("ASoC Intel(R) MID Platform driver"); | |
826 | MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>"); | |
827 | MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>"); | |
828 | MODULE_LICENSE("GPL v2"); | |
231a091e | 829 | MODULE_ALIAS("platform:sst-atom-hifi2-platform"); |
a4b12990 | 830 | MODULE_ALIAS("platform:sst-mfld-platform"); |