Commit | Line | Data |
---|---|---|
a4b12990 MB |
1 | /* |
2 | * Intel SST Haswell/Broadwell PCM Support | |
3 | * | |
4 | * Copyright (C) 2013, Intel Corporation. All rights reserved. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License version | |
8 | * 2 as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | */ | |
16 | ||
17 | #include <linux/module.h> | |
18 | #include <linux/dma-mapping.h> | |
19 | #include <linux/slab.h> | |
a4b12990 | 20 | #include <linux/delay.h> |
2e4f7591 | 21 | #include <linux/pm_runtime.h> |
a4b12990 MB |
22 | #include <asm/page.h> |
23 | #include <asm/pgtable.h> | |
24 | #include <sound/core.h> | |
25 | #include <sound/pcm.h> | |
26 | #include <sound/pcm_params.h> | |
27 | #include <sound/dmaengine_pcm.h> | |
28 | #include <sound/soc.h> | |
29 | #include <sound/tlv.h> | |
30 | #include <sound/compress_driver.h> | |
31 | ||
32 | #include "sst-haswell-ipc.h" | |
33 | #include "sst-dsp-priv.h" | |
34 | #include "sst-dsp.h" | |
35 | ||
36 | #define HSW_PCM_COUNT 6 | |
37 | #define HSW_VOLUME_MAX 0x7FFFFFFF /* 0dB */ | |
38 | ||
39 | /* simple volume table */ | |
40 | static const u32 volume_map[] = { | |
41 | HSW_VOLUME_MAX >> 30, | |
42 | HSW_VOLUME_MAX >> 29, | |
43 | HSW_VOLUME_MAX >> 28, | |
44 | HSW_VOLUME_MAX >> 27, | |
45 | HSW_VOLUME_MAX >> 26, | |
46 | HSW_VOLUME_MAX >> 25, | |
47 | HSW_VOLUME_MAX >> 24, | |
48 | HSW_VOLUME_MAX >> 23, | |
49 | HSW_VOLUME_MAX >> 22, | |
50 | HSW_VOLUME_MAX >> 21, | |
51 | HSW_VOLUME_MAX >> 20, | |
52 | HSW_VOLUME_MAX >> 19, | |
53 | HSW_VOLUME_MAX >> 18, | |
54 | HSW_VOLUME_MAX >> 17, | |
55 | HSW_VOLUME_MAX >> 16, | |
56 | HSW_VOLUME_MAX >> 15, | |
57 | HSW_VOLUME_MAX >> 14, | |
58 | HSW_VOLUME_MAX >> 13, | |
59 | HSW_VOLUME_MAX >> 12, | |
60 | HSW_VOLUME_MAX >> 11, | |
61 | HSW_VOLUME_MAX >> 10, | |
62 | HSW_VOLUME_MAX >> 9, | |
63 | HSW_VOLUME_MAX >> 8, | |
64 | HSW_VOLUME_MAX >> 7, | |
65 | HSW_VOLUME_MAX >> 6, | |
66 | HSW_VOLUME_MAX >> 5, | |
67 | HSW_VOLUME_MAX >> 4, | |
68 | HSW_VOLUME_MAX >> 3, | |
69 | HSW_VOLUME_MAX >> 2, | |
70 | HSW_VOLUME_MAX >> 1, | |
71 | HSW_VOLUME_MAX >> 0, | |
72 | }; | |
73 | ||
74 | #define HSW_PCM_PERIODS_MAX 64 | |
75 | #define HSW_PCM_PERIODS_MIN 2 | |
76 | ||
2e4f7591 LG |
77 | #define HSW_PCM_DAI_ID_SYSTEM 0 |
78 | #define HSW_PCM_DAI_ID_OFFLOAD0 1 | |
79 | #define HSW_PCM_DAI_ID_OFFLOAD1 2 | |
80 | #define HSW_PCM_DAI_ID_LOOPBACK 3 | |
2e4f7591 LG |
81 | |
82 | ||
a4b12990 MB |
83 | static const struct snd_pcm_hardware hsw_pcm_hardware = { |
84 | .info = SNDRV_PCM_INFO_MMAP | | |
85 | SNDRV_PCM_INFO_MMAP_VALID | | |
86 | SNDRV_PCM_INFO_INTERLEAVED | | |
87 | SNDRV_PCM_INFO_PAUSE | | |
88 | SNDRV_PCM_INFO_RESUME | | |
89 | SNDRV_PCM_INFO_NO_PERIOD_WAKEUP, | |
8e897618 | 90 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | |
a4b12990 MB |
91 | SNDRV_PCM_FMTBIT_S32_LE, |
92 | .period_bytes_min = PAGE_SIZE, | |
93 | .period_bytes_max = (HSW_PCM_PERIODS_MAX / HSW_PCM_PERIODS_MIN) * PAGE_SIZE, | |
94 | .periods_min = HSW_PCM_PERIODS_MIN, | |
95 | .periods_max = HSW_PCM_PERIODS_MAX, | |
96 | .buffer_bytes_max = HSW_PCM_PERIODS_MAX * PAGE_SIZE, | |
97 | }; | |
98 | ||
e9600bc1 LG |
99 | struct hsw_pcm_module_map { |
100 | int dai_id; | |
98b9c1d2 | 101 | int stream; |
e9600bc1 LG |
102 | enum sst_hsw_module_id mod_id; |
103 | }; | |
104 | ||
a4b12990 MB |
105 | /* private data for each PCM DSP stream */ |
106 | struct hsw_pcm_data { | |
107 | int dai_id; | |
108 | struct sst_hsw_stream *stream; | |
e9600bc1 | 109 | struct sst_module_runtime *runtime; |
2e4f7591 LG |
110 | struct sst_module_runtime_context context; |
111 | struct snd_pcm *hsw_pcm; | |
a4b12990 MB |
112 | u32 volume[2]; |
113 | struct snd_pcm_substream *substream; | |
114 | struct snd_compr_stream *cstream; | |
115 | unsigned int wpos; | |
116 | struct mutex mutex; | |
916152c4 | 117 | bool allocated; |
e9600bc1 | 118 | int persistent_offset; |
a4b12990 MB |
119 | }; |
120 | ||
2e4f7591 LG |
121 | enum hsw_pm_state { |
122 | HSW_PM_STATE_D3 = 0, | |
123 | HSW_PM_STATE_D0 = 1, | |
a4b12990 MB |
124 | }; |
125 | ||
126 | /* private data for the driver */ | |
127 | struct hsw_priv_data { | |
128 | /* runtime DSP */ | |
129 | struct sst_hsw *hsw; | |
2e4f7591 LG |
130 | struct device *dev; |
131 | enum hsw_pm_state pm_state; | |
132 | struct snd_soc_card *soc_card; | |
a4b12990 MB |
133 | |
134 | /* page tables */ | |
0b708c87 | 135 | struct snd_dma_buffer dmab[HSW_PCM_COUNT][2]; |
a4b12990 MB |
136 | |
137 | /* DAI data */ | |
7ff9d671 JY |
138 | struct hsw_pcm_data pcm[HSW_PCM_COUNT][2]; |
139 | }; | |
140 | ||
141 | ||
142 | /* static mappings between PCMs and modules - may be dynamic in future */ | |
143 | static struct hsw_pcm_module_map mod_map[] = { | |
144 | {HSW_PCM_DAI_ID_SYSTEM, 0, SST_HSW_MODULE_PCM_SYSTEM}, | |
145 | {HSW_PCM_DAI_ID_OFFLOAD0, 0, SST_HSW_MODULE_PCM}, | |
146 | {HSW_PCM_DAI_ID_OFFLOAD1, 0, SST_HSW_MODULE_PCM}, | |
147 | {HSW_PCM_DAI_ID_LOOPBACK, 1, SST_HSW_MODULE_PCM_REFERENCE}, | |
148 | {HSW_PCM_DAI_ID_SYSTEM, 1, SST_HSW_MODULE_PCM_CAPTURE}, | |
a4b12990 MB |
149 | }; |
150 | ||
916152c4 LG |
151 | static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data); |
152 | ||
a4b12990 MB |
153 | static inline u32 hsw_mixer_to_ipc(unsigned int value) |
154 | { | |
155 | if (value >= ARRAY_SIZE(volume_map)) | |
156 | return volume_map[0]; | |
157 | else | |
158 | return volume_map[value]; | |
159 | } | |
160 | ||
161 | static inline unsigned int hsw_ipc_to_mixer(u32 value) | |
162 | { | |
163 | int i; | |
164 | ||
165 | for (i = 0; i < ARRAY_SIZE(volume_map); i++) { | |
166 | if (volume_map[i] >= value) | |
167 | return i; | |
168 | } | |
169 | ||
170 | return i - 1; | |
171 | } | |
172 | ||
173 | static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol, | |
174 | struct snd_ctl_elem_value *ucontrol) | |
175 | { | |
2e4f7591 | 176 | struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); |
a4b12990 MB |
177 | struct soc_mixer_control *mc = |
178 | (struct soc_mixer_control *)kcontrol->private_value; | |
2e4f7591 LG |
179 | struct hsw_priv_data *pdata = |
180 | snd_soc_platform_get_drvdata(platform); | |
7ff9d671 | 181 | struct hsw_pcm_data *pcm_data; |
a4b12990 MB |
182 | struct sst_hsw *hsw = pdata->hsw; |
183 | u32 volume; | |
7ff9d671 JY |
184 | int dai, stream; |
185 | ||
186 | dai = mod_map[mc->reg].dai_id; | |
187 | stream = mod_map[mc->reg].stream; | |
188 | pcm_data = &pdata->pcm[dai][stream]; | |
a4b12990 MB |
189 | |
190 | mutex_lock(&pcm_data->mutex); | |
2e4f7591 | 191 | pm_runtime_get_sync(pdata->dev); |
a4b12990 MB |
192 | |
193 | if (!pcm_data->stream) { | |
194 | pcm_data->volume[0] = | |
195 | hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); | |
196 | pcm_data->volume[1] = | |
197 | hsw_mixer_to_ipc(ucontrol->value.integer.value[1]); | |
2e4f7591 LG |
198 | pm_runtime_mark_last_busy(pdata->dev); |
199 | pm_runtime_put_autosuspend(pdata->dev); | |
a4b12990 MB |
200 | mutex_unlock(&pcm_data->mutex); |
201 | return 0; | |
202 | } | |
203 | ||
204 | if (ucontrol->value.integer.value[0] == | |
205 | ucontrol->value.integer.value[1]) { | |
206 | volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); | |
f1e59825 JY |
207 | /* apply volume value to all channels */ |
208 | sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, SST_HSW_CHANNELS_ALL, volume); | |
a4b12990 MB |
209 | } else { |
210 | volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); | |
211 | sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 0, volume); | |
212 | volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]); | |
213 | sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 1, volume); | |
214 | } | |
215 | ||
2e4f7591 LG |
216 | pm_runtime_mark_last_busy(pdata->dev); |
217 | pm_runtime_put_autosuspend(pdata->dev); | |
a4b12990 MB |
218 | mutex_unlock(&pcm_data->mutex); |
219 | return 0; | |
220 | } | |
221 | ||
222 | static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol, | |
223 | struct snd_ctl_elem_value *ucontrol) | |
224 | { | |
2e4f7591 | 225 | struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); |
a4b12990 MB |
226 | struct soc_mixer_control *mc = |
227 | (struct soc_mixer_control *)kcontrol->private_value; | |
2e4f7591 LG |
228 | struct hsw_priv_data *pdata = |
229 | snd_soc_platform_get_drvdata(platform); | |
7ff9d671 | 230 | struct hsw_pcm_data *pcm_data; |
a4b12990 MB |
231 | struct sst_hsw *hsw = pdata->hsw; |
232 | u32 volume; | |
7ff9d671 JY |
233 | int dai, stream; |
234 | ||
235 | dai = mod_map[mc->reg].dai_id; | |
236 | stream = mod_map[mc->reg].stream; | |
237 | pcm_data = &pdata->pcm[dai][stream]; | |
a4b12990 MB |
238 | |
239 | mutex_lock(&pcm_data->mutex); | |
2e4f7591 | 240 | pm_runtime_get_sync(pdata->dev); |
a4b12990 MB |
241 | |
242 | if (!pcm_data->stream) { | |
243 | ucontrol->value.integer.value[0] = | |
244 | hsw_ipc_to_mixer(pcm_data->volume[0]); | |
245 | ucontrol->value.integer.value[1] = | |
246 | hsw_ipc_to_mixer(pcm_data->volume[1]); | |
2e4f7591 LG |
247 | pm_runtime_mark_last_busy(pdata->dev); |
248 | pm_runtime_put_autosuspend(pdata->dev); | |
a4b12990 MB |
249 | mutex_unlock(&pcm_data->mutex); |
250 | return 0; | |
251 | } | |
252 | ||
253 | sst_hsw_stream_get_volume(hsw, pcm_data->stream, 0, 0, &volume); | |
254 | ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(volume); | |
255 | sst_hsw_stream_get_volume(hsw, pcm_data->stream, 0, 1, &volume); | |
256 | ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(volume); | |
2e4f7591 LG |
257 | |
258 | pm_runtime_mark_last_busy(pdata->dev); | |
259 | pm_runtime_put_autosuspend(pdata->dev); | |
a4b12990 MB |
260 | mutex_unlock(&pcm_data->mutex); |
261 | ||
262 | return 0; | |
263 | } | |
264 | ||
265 | static int hsw_volume_put(struct snd_kcontrol *kcontrol, | |
266 | struct snd_ctl_elem_value *ucontrol) | |
267 | { | |
2e4f7591 LG |
268 | struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); |
269 | struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform); | |
a4b12990 MB |
270 | struct sst_hsw *hsw = pdata->hsw; |
271 | u32 volume; | |
272 | ||
2e4f7591 LG |
273 | pm_runtime_get_sync(pdata->dev); |
274 | ||
a4b12990 MB |
275 | if (ucontrol->value.integer.value[0] == |
276 | ucontrol->value.integer.value[1]) { | |
277 | ||
278 | volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); | |
f1e59825 | 279 | sst_hsw_mixer_set_volume(hsw, 0, SST_HSW_CHANNELS_ALL, volume); |
a4b12990 MB |
280 | |
281 | } else { | |
282 | volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); | |
283 | sst_hsw_mixer_set_volume(hsw, 0, 0, volume); | |
284 | ||
285 | volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]); | |
286 | sst_hsw_mixer_set_volume(hsw, 0, 1, volume); | |
287 | } | |
288 | ||
2e4f7591 LG |
289 | pm_runtime_mark_last_busy(pdata->dev); |
290 | pm_runtime_put_autosuspend(pdata->dev); | |
a4b12990 MB |
291 | return 0; |
292 | } | |
293 | ||
294 | static int hsw_volume_get(struct snd_kcontrol *kcontrol, | |
295 | struct snd_ctl_elem_value *ucontrol) | |
296 | { | |
2e4f7591 LG |
297 | struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); |
298 | struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform); | |
a4b12990 MB |
299 | struct sst_hsw *hsw = pdata->hsw; |
300 | unsigned int volume = 0; | |
301 | ||
2e4f7591 | 302 | pm_runtime_get_sync(pdata->dev); |
a4b12990 MB |
303 | sst_hsw_mixer_get_volume(hsw, 0, 0, &volume); |
304 | ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(volume); | |
305 | ||
306 | sst_hsw_mixer_get_volume(hsw, 0, 1, &volume); | |
307 | ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(volume); | |
308 | ||
2e4f7591 LG |
309 | pm_runtime_mark_last_busy(pdata->dev); |
310 | pm_runtime_put_autosuspend(pdata->dev); | |
a4b12990 MB |
311 | return 0; |
312 | } | |
313 | ||
314 | /* TLV used by both global and stream volumes */ | |
315 | static const DECLARE_TLV_DB_SCALE(hsw_vol_tlv, -9000, 300, 1); | |
316 | ||
317 | /* System Pin has no volume control */ | |
318 | static const struct snd_kcontrol_new hsw_volume_controls[] = { | |
319 | /* Global DSP volume */ | |
320 | SOC_DOUBLE_EXT_TLV("Master Playback Volume", 0, 0, 8, | |
c5f0406b | 321 | ARRAY_SIZE(volume_map) - 1, 0, |
a4b12990 MB |
322 | hsw_volume_get, hsw_volume_put, hsw_vol_tlv), |
323 | /* Offload 0 volume */ | |
324 | SOC_DOUBLE_EXT_TLV("Media0 Playback Volume", 1, 0, 8, | |
c5f0406b | 325 | ARRAY_SIZE(volume_map) - 1, 0, |
a4b12990 MB |
326 | hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), |
327 | /* Offload 1 volume */ | |
328 | SOC_DOUBLE_EXT_TLV("Media1 Playback Volume", 2, 0, 8, | |
c5f0406b | 329 | ARRAY_SIZE(volume_map) - 1, 0, |
a4b12990 MB |
330 | hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), |
331 | /* Mic Capture volume */ | |
7ff9d671 | 332 | SOC_DOUBLE_EXT_TLV("Mic Capture Volume", 4, 0, 8, |
c5f0406b | 333 | ARRAY_SIZE(volume_map) - 1, 0, |
a4b12990 MB |
334 | hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), |
335 | }; | |
336 | ||
337 | /* Create DMA buffer page table for DSP */ | |
0b708c87 LG |
338 | static int create_adsp_page_table(struct snd_pcm_substream *substream, |
339 | struct hsw_priv_data *pdata, struct snd_soc_pcm_runtime *rtd, | |
340 | unsigned char *dma_area, size_t size, int pcm) | |
a4b12990 | 341 | { |
0b708c87 LG |
342 | struct snd_dma_buffer *dmab = snd_pcm_get_dma_buf(substream); |
343 | int i, pages, stream = substream->stream; | |
a4b12990 | 344 | |
0b708c87 | 345 | pages = snd_sgbuf_aligned_pages(size); |
a4b12990 MB |
346 | |
347 | dev_dbg(rtd->dev, "generating page table for %p size 0x%zu pages %d\n", | |
348 | dma_area, size, pages); | |
349 | ||
350 | for (i = 0; i < pages; i++) { | |
351 | u32 idx = (((i << 2) + i)) >> 1; | |
0b708c87 | 352 | u32 pfn = snd_sgbuf_get_addr(dmab, i * PAGE_SIZE) >> PAGE_SHIFT; |
a4b12990 MB |
353 | u32 *pg_table; |
354 | ||
355 | dev_dbg(rtd->dev, "pfn i %i idx %d pfn %x\n", i, idx, pfn); | |
356 | ||
0b708c87 | 357 | pg_table = (u32 *)(pdata->dmab[pcm][stream].area + idx); |
a4b12990 MB |
358 | |
359 | if (i & 1) | |
360 | *pg_table |= (pfn << 4); | |
361 | else | |
362 | *pg_table |= pfn; | |
363 | } | |
364 | ||
365 | return 0; | |
366 | } | |
367 | ||
368 | /* this may get called several times by oss emulation */ | |
369 | static int hsw_pcm_hw_params(struct snd_pcm_substream *substream, | |
370 | struct snd_pcm_hw_params *params) | |
371 | { | |
372 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
373 | struct snd_pcm_runtime *runtime = substream->runtime; | |
374 | struct hsw_priv_data *pdata = | |
375 | snd_soc_platform_get_drvdata(rtd->platform); | |
7ff9d671 | 376 | struct hsw_pcm_data *pcm_data; |
a4b12990 MB |
377 | struct sst_hsw *hsw = pdata->hsw; |
378 | struct sst_module *module_data; | |
379 | struct sst_dsp *dsp; | |
0b708c87 | 380 | struct snd_dma_buffer *dmab; |
a4b12990 MB |
381 | enum sst_hsw_stream_type stream_type; |
382 | enum sst_hsw_stream_path_id path_id; | |
383 | u32 rate, bits, map, pages, module_id; | |
384 | u8 channels; | |
7ff9d671 JY |
385 | int ret, dai; |
386 | ||
387 | dai = mod_map[rtd->cpu_dai->id].dai_id; | |
388 | pcm_data = &pdata->pcm[dai][substream->stream]; | |
a4b12990 | 389 | |
916152c4 LG |
390 | /* check if we are being called a subsequent time */ |
391 | if (pcm_data->allocated) { | |
392 | ret = sst_hsw_stream_reset(hsw, pcm_data->stream); | |
393 | if (ret < 0) | |
394 | dev_dbg(rtd->dev, "error: reset stream failed %d\n", | |
395 | ret); | |
396 | ||
397 | ret = sst_hsw_stream_free(hsw, pcm_data->stream); | |
398 | if (ret < 0) { | |
399 | dev_dbg(rtd->dev, "error: free stream failed %d\n", | |
400 | ret); | |
401 | return ret; | |
402 | } | |
403 | pcm_data->allocated = false; | |
404 | ||
405 | pcm_data->stream = sst_hsw_stream_new(hsw, rtd->cpu_dai->id, | |
406 | hsw_notify_pointer, pcm_data); | |
407 | if (pcm_data->stream == NULL) { | |
408 | dev_err(rtd->dev, "error: failed to create stream\n"); | |
409 | return -EINVAL; | |
410 | } | |
411 | } | |
412 | ||
a4b12990 MB |
413 | /* stream direction */ |
414 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
415 | path_id = SST_HSW_STREAM_PATH_SSP0_OUT; | |
416 | else | |
417 | path_id = SST_HSW_STREAM_PATH_SSP0_IN; | |
418 | ||
419 | /* DSP stream type depends on DAI ID */ | |
420 | switch (rtd->cpu_dai->id) { | |
421 | case 0: | |
7bb73cbd JY |
422 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
423 | stream_type = SST_HSW_STREAM_TYPE_SYSTEM; | |
424 | module_id = SST_HSW_MODULE_PCM_SYSTEM; | |
425 | } | |
426 | else { | |
427 | stream_type = SST_HSW_STREAM_TYPE_CAPTURE; | |
428 | module_id = SST_HSW_MODULE_PCM_CAPTURE; | |
429 | } | |
a4b12990 MB |
430 | break; |
431 | case 1: | |
432 | case 2: | |
433 | stream_type = SST_HSW_STREAM_TYPE_RENDER; | |
434 | module_id = SST_HSW_MODULE_PCM; | |
435 | break; | |
436 | case 3: | |
437 | /* path ID needs to be OUT for loopback */ | |
438 | stream_type = SST_HSW_STREAM_TYPE_LOOPBACK; | |
439 | path_id = SST_HSW_STREAM_PATH_SSP0_OUT; | |
440 | module_id = SST_HSW_MODULE_PCM_REFERENCE; | |
441 | break; | |
a4b12990 MB |
442 | default: |
443 | dev_err(rtd->dev, "error: invalid DAI ID %d\n", | |
444 | rtd->cpu_dai->id); | |
445 | return -EINVAL; | |
446 | }; | |
447 | ||
448 | ret = sst_hsw_stream_format(hsw, pcm_data->stream, | |
449 | path_id, stream_type, SST_HSW_STREAM_FORMAT_PCM_FORMAT); | |
450 | if (ret < 0) { | |
451 | dev_err(rtd->dev, "error: failed to set format %d\n", ret); | |
452 | return ret; | |
453 | } | |
454 | ||
455 | rate = params_rate(params); | |
456 | ret = sst_hsw_stream_set_rate(hsw, pcm_data->stream, rate); | |
457 | if (ret < 0) { | |
458 | dev_err(rtd->dev, "error: could not set rate %d\n", rate); | |
459 | return ret; | |
460 | } | |
461 | ||
462 | switch (params_format(params)) { | |
463 | case SNDRV_PCM_FORMAT_S16_LE: | |
464 | bits = SST_HSW_DEPTH_16BIT; | |
465 | sst_hsw_stream_set_valid(hsw, pcm_data->stream, 16); | |
466 | break; | |
467 | case SNDRV_PCM_FORMAT_S24_LE: | |
8e897618 JY |
468 | bits = SST_HSW_DEPTH_32BIT; |
469 | sst_hsw_stream_set_valid(hsw, pcm_data->stream, 24); | |
470 | break; | |
471 | case SNDRV_PCM_FORMAT_S8: | |
472 | bits = SST_HSW_DEPTH_8BIT; | |
473 | sst_hsw_stream_set_valid(hsw, pcm_data->stream, 8); | |
474 | break; | |
475 | case SNDRV_PCM_FORMAT_S32_LE: | |
476 | bits = SST_HSW_DEPTH_32BIT; | |
a4b12990 MB |
477 | sst_hsw_stream_set_valid(hsw, pcm_data->stream, 32); |
478 | break; | |
479 | default: | |
480 | dev_err(rtd->dev, "error: invalid format %d\n", | |
481 | params_format(params)); | |
482 | return -EINVAL; | |
483 | } | |
484 | ||
485 | ret = sst_hsw_stream_set_bits(hsw, pcm_data->stream, bits); | |
486 | if (ret < 0) { | |
487 | dev_err(rtd->dev, "error: could not set bits %d\n", bits); | |
488 | return ret; | |
489 | } | |
490 | ||
a4b12990 | 491 | channels = params_channels(params); |
a4b12990 MB |
492 | map = create_channel_map(SST_HSW_CHANNEL_CONFIG_STEREO); |
493 | sst_hsw_stream_set_map_config(hsw, pcm_data->stream, | |
494 | map, SST_HSW_CHANNEL_CONFIG_STEREO); | |
495 | ||
496 | ret = sst_hsw_stream_set_channels(hsw, pcm_data->stream, channels); | |
497 | if (ret < 0) { | |
498 | dev_err(rtd->dev, "error: could not set channels %d\n", | |
499 | channels); | |
500 | return ret; | |
501 | } | |
502 | ||
503 | ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); | |
504 | if (ret < 0) { | |
505 | dev_err(rtd->dev, "error: could not allocate %d bytes for PCM %d\n", | |
506 | params_buffer_bytes(params), ret); | |
507 | return ret; | |
508 | } | |
509 | ||
0b708c87 LG |
510 | dmab = snd_pcm_get_dma_buf(substream); |
511 | ||
512 | ret = create_adsp_page_table(substream, pdata, rtd, runtime->dma_area, | |
513 | runtime->dma_bytes, rtd->cpu_dai->id); | |
a4b12990 MB |
514 | if (ret < 0) |
515 | return ret; | |
516 | ||
517 | sst_hsw_stream_set_style(hsw, pcm_data->stream, | |
518 | SST_HSW_INTERLEAVING_PER_CHANNEL); | |
519 | ||
520 | if (runtime->dma_bytes % PAGE_SIZE) | |
521 | pages = (runtime->dma_bytes / PAGE_SIZE) + 1; | |
522 | else | |
523 | pages = runtime->dma_bytes / PAGE_SIZE; | |
524 | ||
525 | ret = sst_hsw_stream_buffer(hsw, pcm_data->stream, | |
0b708c87 | 526 | pdata->dmab[rtd->cpu_dai->id][substream->stream].addr, |
a4b12990 | 527 | pages, runtime->dma_bytes, 0, |
0b708c87 | 528 | snd_sgbuf_get_addr(dmab, 0) >> PAGE_SHIFT); |
a4b12990 MB |
529 | if (ret < 0) { |
530 | dev_err(rtd->dev, "error: failed to set DMA buffer %d\n", ret); | |
531 | return ret; | |
532 | } | |
533 | ||
534 | dsp = sst_hsw_get_dsp(hsw); | |
535 | ||
536 | module_data = sst_module_get_from_id(dsp, module_id); | |
537 | if (module_data == NULL) { | |
538 | dev_err(rtd->dev, "error: failed to get module config\n"); | |
539 | return -EINVAL; | |
540 | } | |
541 | ||
e9600bc1 LG |
542 | sst_hsw_stream_set_module_info(hsw, pcm_data->stream, |
543 | pcm_data->runtime); | |
a4b12990 MB |
544 | |
545 | ret = sst_hsw_stream_commit(hsw, pcm_data->stream); | |
546 | if (ret < 0) { | |
547 | dev_err(rtd->dev, "error: failed to commit stream %d\n", ret); | |
548 | return ret; | |
549 | } | |
f1e59825 JY |
550 | |
551 | if (!pcm_data->allocated) { | |
552 | /* Set previous saved volume */ | |
553 | sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, | |
554 | 0, pcm_data->volume[0]); | |
555 | sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, | |
556 | 1, pcm_data->volume[1]); | |
557 | pcm_data->allocated = true; | |
558 | } | |
a4b12990 MB |
559 | |
560 | ret = sst_hsw_stream_pause(hsw, pcm_data->stream, 1); | |
561 | if (ret < 0) | |
562 | dev_err(rtd->dev, "error: failed to pause %d\n", ret); | |
563 | ||
564 | return 0; | |
565 | } | |
566 | ||
567 | static int hsw_pcm_hw_free(struct snd_pcm_substream *substream) | |
568 | { | |
569 | snd_pcm_lib_free_pages(substream); | |
570 | return 0; | |
571 | } | |
572 | ||
573 | static int hsw_pcm_trigger(struct snd_pcm_substream *substream, int cmd) | |
574 | { | |
575 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
576 | struct hsw_priv_data *pdata = | |
577 | snd_soc_platform_get_drvdata(rtd->platform); | |
7ff9d671 | 578 | struct hsw_pcm_data *pcm_data; |
a4b12990 | 579 | struct sst_hsw *hsw = pdata->hsw; |
7ff9d671 JY |
580 | int dai; |
581 | ||
582 | dai = mod_map[rtd->cpu_dai->id].dai_id; | |
583 | pcm_data = &pdata->pcm[dai][substream->stream]; | |
a4b12990 MB |
584 | |
585 | switch (cmd) { | |
586 | case SNDRV_PCM_TRIGGER_START: | |
587 | case SNDRV_PCM_TRIGGER_RESUME: | |
588 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
589 | sst_hsw_stream_resume(hsw, pcm_data->stream, 0); | |
590 | break; | |
591 | case SNDRV_PCM_TRIGGER_STOP: | |
592 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
593 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
594 | sst_hsw_stream_pause(hsw, pcm_data->stream, 0); | |
595 | break; | |
596 | default: | |
597 | break; | |
598 | } | |
599 | ||
600 | return 0; | |
601 | } | |
602 | ||
603 | static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data) | |
604 | { | |
605 | struct hsw_pcm_data *pcm_data = data; | |
606 | struct snd_pcm_substream *substream = pcm_data->substream; | |
607 | struct snd_pcm_runtime *runtime = substream->runtime; | |
608 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
609 | u32 pos; | |
610 | ||
611 | pos = frames_to_bytes(runtime, | |
612 | (runtime->control->appl_ptr % runtime->buffer_size)); | |
613 | ||
8046249d | 614 | dev_vdbg(rtd->dev, "PCM: App pointer %d bytes\n", pos); |
a4b12990 MB |
615 | |
616 | /* let alsa know we have play a period */ | |
617 | snd_pcm_period_elapsed(substream); | |
618 | return pos; | |
619 | } | |
620 | ||
621 | static snd_pcm_uframes_t hsw_pcm_pointer(struct snd_pcm_substream *substream) | |
622 | { | |
623 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
624 | struct snd_pcm_runtime *runtime = substream->runtime; | |
625 | struct hsw_priv_data *pdata = | |
626 | snd_soc_platform_get_drvdata(rtd->platform); | |
7ff9d671 | 627 | struct hsw_pcm_data *pcm_data; |
a4b12990 MB |
628 | struct sst_hsw *hsw = pdata->hsw; |
629 | snd_pcm_uframes_t offset; | |
51b4e24f | 630 | uint64_t ppos; |
7ff9d671 JY |
631 | u32 position; |
632 | int dai; | |
633 | ||
634 | dai = mod_map[rtd->cpu_dai->id].dai_id; | |
635 | pcm_data = &pdata->pcm[dai][substream->stream]; | |
636 | position = sst_hsw_get_dsp_position(hsw, pcm_data->stream); | |
a4b12990 | 637 | |
51b4e24f LG |
638 | offset = bytes_to_frames(runtime, position); |
639 | ppos = sst_hsw_get_dsp_presentation_position(hsw, pcm_data->stream); | |
a4b12990 | 640 | |
8046249d | 641 | dev_vdbg(rtd->dev, "PCM: DMA pointer %du bytes, pos %llu\n", |
51b4e24f | 642 | position, ppos); |
a4b12990 MB |
643 | return offset; |
644 | } | |
645 | ||
646 | static int hsw_pcm_open(struct snd_pcm_substream *substream) | |
647 | { | |
648 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
649 | struct hsw_priv_data *pdata = | |
650 | snd_soc_platform_get_drvdata(rtd->platform); | |
651 | struct hsw_pcm_data *pcm_data; | |
652 | struct sst_hsw *hsw = pdata->hsw; | |
7ff9d671 | 653 | int dai; |
a4b12990 | 654 | |
7ff9d671 JY |
655 | dai = mod_map[rtd->cpu_dai->id].dai_id; |
656 | pcm_data = &pdata->pcm[dai][substream->stream]; | |
a4b12990 MB |
657 | |
658 | mutex_lock(&pcm_data->mutex); | |
2e4f7591 | 659 | pm_runtime_get_sync(pdata->dev); |
a4b12990 MB |
660 | |
661 | snd_soc_pcm_set_drvdata(rtd, pcm_data); | |
662 | pcm_data->substream = substream; | |
663 | ||
664 | snd_soc_set_runtime_hwparams(substream, &hsw_pcm_hardware); | |
665 | ||
666 | pcm_data->stream = sst_hsw_stream_new(hsw, rtd->cpu_dai->id, | |
667 | hsw_notify_pointer, pcm_data); | |
668 | if (pcm_data->stream == NULL) { | |
669 | dev_err(rtd->dev, "error: failed to create stream\n"); | |
2e4f7591 LG |
670 | pm_runtime_mark_last_busy(pdata->dev); |
671 | pm_runtime_put_autosuspend(pdata->dev); | |
a4b12990 MB |
672 | mutex_unlock(&pcm_data->mutex); |
673 | return -EINVAL; | |
674 | } | |
675 | ||
a4b12990 MB |
676 | mutex_unlock(&pcm_data->mutex); |
677 | return 0; | |
678 | } | |
679 | ||
680 | static int hsw_pcm_close(struct snd_pcm_substream *substream) | |
681 | { | |
682 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
683 | struct hsw_priv_data *pdata = | |
684 | snd_soc_platform_get_drvdata(rtd->platform); | |
7ff9d671 | 685 | struct hsw_pcm_data *pcm_data; |
a4b12990 | 686 | struct sst_hsw *hsw = pdata->hsw; |
7ff9d671 JY |
687 | int ret, dai; |
688 | ||
689 | dai = mod_map[rtd->cpu_dai->id].dai_id; | |
690 | pcm_data = &pdata->pcm[dai][substream->stream]; | |
a4b12990 MB |
691 | |
692 | mutex_lock(&pcm_data->mutex); | |
693 | ret = sst_hsw_stream_reset(hsw, pcm_data->stream); | |
694 | if (ret < 0) { | |
695 | dev_dbg(rtd->dev, "error: reset stream failed %d\n", ret); | |
696 | goto out; | |
697 | } | |
698 | ||
699 | ret = sst_hsw_stream_free(hsw, pcm_data->stream); | |
700 | if (ret < 0) { | |
701 | dev_dbg(rtd->dev, "error: free stream failed %d\n", ret); | |
702 | goto out; | |
703 | } | |
916152c4 | 704 | pcm_data->allocated = 0; |
a4b12990 MB |
705 | pcm_data->stream = NULL; |
706 | ||
707 | out: | |
2e4f7591 LG |
708 | pm_runtime_mark_last_busy(pdata->dev); |
709 | pm_runtime_put_autosuspend(pdata->dev); | |
a4b12990 MB |
710 | mutex_unlock(&pcm_data->mutex); |
711 | return ret; | |
712 | } | |
713 | ||
714 | static struct snd_pcm_ops hsw_pcm_ops = { | |
715 | .open = hsw_pcm_open, | |
716 | .close = hsw_pcm_close, | |
717 | .ioctl = snd_pcm_lib_ioctl, | |
718 | .hw_params = hsw_pcm_hw_params, | |
719 | .hw_free = hsw_pcm_hw_free, | |
720 | .trigger = hsw_pcm_trigger, | |
721 | .pointer = hsw_pcm_pointer, | |
0b708c87 | 722 | .page = snd_pcm_sgbuf_ops_page, |
a4b12990 MB |
723 | }; |
724 | ||
e9600bc1 LG |
725 | static int hsw_pcm_create_modules(struct hsw_priv_data *pdata) |
726 | { | |
727 | struct sst_hsw *hsw = pdata->hsw; | |
728 | struct hsw_pcm_data *pcm_data; | |
729 | int i; | |
730 | ||
731 | for (i = 0; i < ARRAY_SIZE(mod_map); i++) { | |
7ff9d671 | 732 | pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream]; |
e9600bc1 | 733 | |
2e4f7591 | 734 | /* create new runtime module, use same offset if recreated */ |
e9600bc1 LG |
735 | pcm_data->runtime = sst_hsw_runtime_module_create(hsw, |
736 | mod_map[i].mod_id, pcm_data->persistent_offset); | |
737 | if (pcm_data->runtime == NULL) | |
738 | goto err; | |
739 | pcm_data->persistent_offset = | |
740 | pcm_data->runtime->persistent_offset; | |
741 | } | |
742 | ||
743 | return 0; | |
744 | ||
745 | err: | |
746 | for (--i; i >= 0; i--) { | |
7ff9d671 | 747 | pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream]; |
e9600bc1 LG |
748 | sst_hsw_runtime_module_free(pcm_data->runtime); |
749 | } | |
750 | ||
751 | return -ENODEV; | |
752 | } | |
753 | ||
754 | static void hsw_pcm_free_modules(struct hsw_priv_data *pdata) | |
755 | { | |
756 | struct hsw_pcm_data *pcm_data; | |
757 | int i; | |
758 | ||
759 | for (i = 0; i < ARRAY_SIZE(mod_map); i++) { | |
7ff9d671 | 760 | pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream]; |
e9600bc1 LG |
761 | |
762 | sst_hsw_runtime_module_free(pcm_data->runtime); | |
763 | } | |
764 | } | |
765 | ||
a4b12990 MB |
766 | static int hsw_pcm_new(struct snd_soc_pcm_runtime *rtd) |
767 | { | |
768 | struct snd_pcm *pcm = rtd->pcm; | |
10df3509 LG |
769 | struct snd_soc_platform *platform = rtd->platform; |
770 | struct sst_pdata *pdata = dev_get_platdata(platform->dev); | |
2e4f7591 | 771 | struct hsw_priv_data *priv_data = dev_get_drvdata(platform->dev); |
10df3509 | 772 | struct device *dev = pdata->dma_dev; |
a4b12990 MB |
773 | int ret = 0; |
774 | ||
a4b12990 MB |
775 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream || |
776 | pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { | |
777 | ret = snd_pcm_lib_preallocate_pages_for_all(pcm, | |
0b708c87 | 778 | SNDRV_DMA_TYPE_DEV_SG, |
10df3509 | 779 | dev, |
a4b12990 MB |
780 | hsw_pcm_hardware.buffer_bytes_max, |
781 | hsw_pcm_hardware.buffer_bytes_max); | |
782 | if (ret) { | |
783 | dev_err(rtd->dev, "dma buffer allocation failed %d\n", | |
784 | ret); | |
785 | return ret; | |
786 | } | |
787 | } | |
7ff9d671 JY |
788 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) |
789 | priv_data->pcm[rtd->cpu_dai->id][SNDRV_PCM_STREAM_PLAYBACK].hsw_pcm = pcm; | |
790 | if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) | |
791 | priv_data->pcm[rtd->cpu_dai->id][SNDRV_PCM_STREAM_CAPTURE].hsw_pcm = pcm; | |
a4b12990 MB |
792 | |
793 | return ret; | |
794 | } | |
795 | ||
796 | #define HSW_FORMATS \ | |
2ccf3bd4 | 797 | (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE) |
a4b12990 MB |
798 | |
799 | static struct snd_soc_dai_driver hsw_dais[] = { | |
800 | { | |
801 | .name = "System Pin", | |
2e4f7591 | 802 | .id = HSW_PCM_DAI_ID_SYSTEM, |
a4b12990 MB |
803 | .playback = { |
804 | .stream_name = "System Playback", | |
805 | .channels_min = 2, | |
806 | .channels_max = 2, | |
807 | .rates = SNDRV_PCM_RATE_48000, | |
8e897618 | 808 | .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, |
a4b12990 | 809 | }, |
7bb73cbd JY |
810 | .capture = { |
811 | .stream_name = "Analog Capture", | |
812 | .channels_min = 2, | |
813 | .channels_max = 4, | |
814 | .rates = SNDRV_PCM_RATE_48000, | |
815 | .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, | |
816 | }, | |
a4b12990 MB |
817 | }, |
818 | { | |
819 | /* PCM */ | |
820 | .name = "Offload0 Pin", | |
2e4f7591 | 821 | .id = HSW_PCM_DAI_ID_OFFLOAD0, |
a4b12990 MB |
822 | .playback = { |
823 | .stream_name = "Offload0 Playback", | |
824 | .channels_min = 2, | |
825 | .channels_max = 2, | |
826 | .rates = SNDRV_PCM_RATE_8000_192000, | |
827 | .formats = HSW_FORMATS, | |
828 | }, | |
829 | }, | |
830 | { | |
831 | /* PCM */ | |
832 | .name = "Offload1 Pin", | |
2e4f7591 | 833 | .id = HSW_PCM_DAI_ID_OFFLOAD1, |
a4b12990 MB |
834 | .playback = { |
835 | .stream_name = "Offload1 Playback", | |
836 | .channels_min = 2, | |
837 | .channels_max = 2, | |
838 | .rates = SNDRV_PCM_RATE_8000_192000, | |
839 | .formats = HSW_FORMATS, | |
840 | }, | |
841 | }, | |
842 | { | |
843 | .name = "Loopback Pin", | |
2e4f7591 | 844 | .id = HSW_PCM_DAI_ID_LOOPBACK, |
a4b12990 MB |
845 | .capture = { |
846 | .stream_name = "Loopback Capture", | |
847 | .channels_min = 2, | |
848 | .channels_max = 2, | |
8e897618 JY |
849 | .rates = SNDRV_PCM_RATE_48000, |
850 | .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, | |
a4b12990 MB |
851 | }, |
852 | }, | |
a4b12990 MB |
853 | }; |
854 | ||
855 | static const struct snd_soc_dapm_widget widgets[] = { | |
856 | ||
857 | /* Backend DAIs */ | |
858 | SND_SOC_DAPM_AIF_IN("SSP0 CODEC IN", NULL, 0, SND_SOC_NOPM, 0, 0), | |
859 | SND_SOC_DAPM_AIF_OUT("SSP0 CODEC OUT", NULL, 0, SND_SOC_NOPM, 0, 0), | |
860 | SND_SOC_DAPM_AIF_IN("SSP1 BT IN", NULL, 0, SND_SOC_NOPM, 0, 0), | |
861 | SND_SOC_DAPM_AIF_OUT("SSP1 BT OUT", NULL, 0, SND_SOC_NOPM, 0, 0), | |
862 | ||
863 | /* Global Playback Mixer */ | |
864 | SND_SOC_DAPM_MIXER("Playback VMixer", SND_SOC_NOPM, 0, 0, NULL, 0), | |
865 | }; | |
866 | ||
867 | static const struct snd_soc_dapm_route graph[] = { | |
868 | ||
869 | /* Playback Mixer */ | |
870 | {"Playback VMixer", NULL, "System Playback"}, | |
871 | {"Playback VMixer", NULL, "Offload0 Playback"}, | |
872 | {"Playback VMixer", NULL, "Offload1 Playback"}, | |
873 | ||
874 | {"SSP0 CODEC OUT", NULL, "Playback VMixer"}, | |
875 | ||
876 | {"Analog Capture", NULL, "SSP0 CODEC IN"}, | |
877 | }; | |
878 | ||
879 | static int hsw_pcm_probe(struct snd_soc_platform *platform) | |
880 | { | |
bd033808 | 881 | struct hsw_priv_data *priv_data = snd_soc_platform_get_drvdata(platform); |
a4b12990 | 882 | struct sst_pdata *pdata = dev_get_platdata(platform->dev); |
2e4f7591 | 883 | struct device *dma_dev, *dev; |
0b708c87 | 884 | int i, ret = 0; |
a4b12990 | 885 | |
2e4f7591 LG |
886 | if (!pdata) |
887 | return -ENODEV; | |
888 | ||
889 | dev = platform->dev; | |
890 | dma_dev = pdata->dma_dev; | |
891 | ||
2e4f7591 LG |
892 | priv_data->hsw = pdata->dsp; |
893 | priv_data->dev = platform->dev; | |
894 | priv_data->pm_state = HSW_PM_STATE_D0; | |
895 | priv_data->soc_card = platform->component.card; | |
896 | ||
a4b12990 MB |
897 | /* allocate DSP buffer page tables */ |
898 | for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) { | |
899 | ||
a4b12990 MB |
900 | /* playback */ |
901 | if (hsw_dais[i].playback.channels_min) { | |
7ff9d671 | 902 | mutex_init(&priv_data->pcm[i][SNDRV_PCM_STREAM_PLAYBACK].mutex); |
0b708c87 LG |
903 | ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dma_dev, |
904 | PAGE_SIZE, &priv_data->dmab[i][0]); | |
905 | if (ret < 0) | |
a4b12990 MB |
906 | goto err; |
907 | } | |
908 | ||
909 | /* capture */ | |
910 | if (hsw_dais[i].capture.channels_min) { | |
7ff9d671 | 911 | mutex_init(&priv_data->pcm[i][SNDRV_PCM_STREAM_CAPTURE].mutex); |
0b708c87 LG |
912 | ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dma_dev, |
913 | PAGE_SIZE, &priv_data->dmab[i][1]); | |
914 | if (ret < 0) | |
a4b12990 MB |
915 | goto err; |
916 | } | |
917 | } | |
918 | ||
e9600bc1 LG |
919 | /* allocate runtime modules */ |
920 | hsw_pcm_create_modules(priv_data); | |
921 | ||
2e4f7591 LG |
922 | /* enable runtime PM with auto suspend */ |
923 | pm_runtime_set_autosuspend_delay(platform->dev, | |
924 | SST_RUNTIME_SUSPEND_DELAY); | |
925 | pm_runtime_use_autosuspend(platform->dev); | |
926 | pm_runtime_enable(platform->dev); | |
927 | pm_runtime_idle(platform->dev); | |
928 | ||
a4b12990 MB |
929 | return 0; |
930 | ||
931 | err: | |
932 | for (;i >= 0; i--) { | |
933 | if (hsw_dais[i].playback.channels_min) | |
0b708c87 | 934 | snd_dma_free_pages(&priv_data->dmab[i][0]); |
a4b12990 | 935 | if (hsw_dais[i].capture.channels_min) |
0b708c87 | 936 | snd_dma_free_pages(&priv_data->dmab[i][1]); |
a4b12990 | 937 | } |
0b708c87 | 938 | return ret; |
a4b12990 MB |
939 | } |
940 | ||
941 | static int hsw_pcm_remove(struct snd_soc_platform *platform) | |
942 | { | |
943 | struct hsw_priv_data *priv_data = | |
944 | snd_soc_platform_get_drvdata(platform); | |
945 | int i; | |
946 | ||
2e4f7591 LG |
947 | pm_runtime_disable(platform->dev); |
948 | hsw_pcm_free_modules(priv_data); | |
949 | ||
a4b12990 MB |
950 | for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) { |
951 | if (hsw_dais[i].playback.channels_min) | |
0b708c87 | 952 | snd_dma_free_pages(&priv_data->dmab[i][0]); |
a4b12990 | 953 | if (hsw_dais[i].capture.channels_min) |
0b708c87 | 954 | snd_dma_free_pages(&priv_data->dmab[i][1]); |
a4b12990 MB |
955 | } |
956 | ||
957 | return 0; | |
958 | } | |
959 | ||
960 | static struct snd_soc_platform_driver hsw_soc_platform = { | |
961 | .probe = hsw_pcm_probe, | |
962 | .remove = hsw_pcm_remove, | |
963 | .ops = &hsw_pcm_ops, | |
964 | .pcm_new = hsw_pcm_new, | |
a4b12990 MB |
965 | }; |
966 | ||
967 | static const struct snd_soc_component_driver hsw_dai_component = { | |
923976a3 LPC |
968 | .name = "haswell-dai", |
969 | .controls = hsw_volume_controls, | |
970 | .num_controls = ARRAY_SIZE(hsw_volume_controls), | |
971 | .dapm_widgets = widgets, | |
972 | .num_dapm_widgets = ARRAY_SIZE(widgets), | |
973 | .dapm_routes = graph, | |
974 | .num_dapm_routes = ARRAY_SIZE(graph), | |
a4b12990 MB |
975 | }; |
976 | ||
977 | static int hsw_pcm_dev_probe(struct platform_device *pdev) | |
978 | { | |
979 | struct sst_pdata *sst_pdata = dev_get_platdata(&pdev->dev); | |
bd033808 | 980 | struct hsw_priv_data *priv_data; |
a4b12990 MB |
981 | int ret; |
982 | ||
bd033808 LPC |
983 | if (!sst_pdata) |
984 | return -EINVAL; | |
985 | ||
986 | priv_data = devm_kzalloc(&pdev->dev, sizeof(*priv_data), GFP_KERNEL); | |
987 | if (!priv_data) | |
988 | return -ENOMEM; | |
989 | ||
a4b12990 MB |
990 | ret = sst_hsw_dsp_init(&pdev->dev, sst_pdata); |
991 | if (ret < 0) | |
992 | return -ENODEV; | |
993 | ||
bd033808 LPC |
994 | priv_data->hsw = sst_pdata->dsp; |
995 | platform_set_drvdata(pdev, priv_data); | |
996 | ||
a4b12990 MB |
997 | ret = snd_soc_register_platform(&pdev->dev, &hsw_soc_platform); |
998 | if (ret < 0) | |
999 | goto err_plat; | |
1000 | ||
1001 | ret = snd_soc_register_component(&pdev->dev, &hsw_dai_component, | |
1002 | hsw_dais, ARRAY_SIZE(hsw_dais)); | |
1003 | if (ret < 0) | |
1004 | goto err_comp; | |
1005 | ||
1006 | return 0; | |
1007 | ||
1008 | err_comp: | |
1009 | snd_soc_unregister_platform(&pdev->dev); | |
1010 | err_plat: | |
1011 | sst_hsw_dsp_free(&pdev->dev, sst_pdata); | |
1012 | return 0; | |
1013 | } | |
1014 | ||
1015 | static int hsw_pcm_dev_remove(struct platform_device *pdev) | |
1016 | { | |
1017 | struct sst_pdata *sst_pdata = dev_get_platdata(&pdev->dev); | |
1018 | ||
1019 | snd_soc_unregister_platform(&pdev->dev); | |
1020 | snd_soc_unregister_component(&pdev->dev); | |
1021 | sst_hsw_dsp_free(&pdev->dev, sst_pdata); | |
1022 | ||
1023 | return 0; | |
1024 | } | |
1025 | ||
45544c88 | 1026 | #ifdef CONFIG_PM |
2e4f7591 LG |
1027 | |
1028 | static int hsw_pcm_runtime_idle(struct device *dev) | |
1029 | { | |
1030 | return 0; | |
1031 | } | |
1032 | ||
1033 | static int hsw_pcm_runtime_suspend(struct device *dev) | |
1034 | { | |
1035 | struct hsw_priv_data *pdata = dev_get_drvdata(dev); | |
1036 | struct sst_hsw *hsw = pdata->hsw; | |
1037 | ||
1038 | if (pdata->pm_state == HSW_PM_STATE_D3) | |
1039 | return 0; | |
1040 | ||
1041 | sst_hsw_dsp_runtime_suspend(hsw); | |
1042 | sst_hsw_dsp_runtime_sleep(hsw); | |
1043 | pdata->pm_state = HSW_PM_STATE_D3; | |
1044 | ||
1045 | return 0; | |
1046 | } | |
1047 | ||
1048 | static int hsw_pcm_runtime_resume(struct device *dev) | |
1049 | { | |
1050 | struct hsw_priv_data *pdata = dev_get_drvdata(dev); | |
1051 | struct sst_hsw *hsw = pdata->hsw; | |
1052 | int ret; | |
1053 | ||
1054 | if (pdata->pm_state == HSW_PM_STATE_D0) | |
1055 | return 0; | |
1056 | ||
1057 | ret = sst_hsw_dsp_load(hsw); | |
1058 | if (ret < 0) { | |
1059 | dev_err(dev, "failed to reload %d\n", ret); | |
1060 | return ret; | |
1061 | } | |
1062 | ||
1063 | ret = hsw_pcm_create_modules(pdata); | |
1064 | if (ret < 0) { | |
1065 | dev_err(dev, "failed to create modules %d\n", ret); | |
1066 | return ret; | |
1067 | } | |
1068 | ||
1069 | ret = sst_hsw_dsp_runtime_resume(hsw); | |
1070 | if (ret < 0) | |
1071 | return ret; | |
1072 | else if (ret == 1) /* no action required */ | |
1073 | return 0; | |
1074 | ||
1075 | pdata->pm_state = HSW_PM_STATE_D0; | |
1076 | return ret; | |
1077 | } | |
1078 | ||
35e03a88 LG |
1079 | #else |
1080 | #define hsw_pcm_runtime_idle NULL | |
1081 | #define hsw_pcm_runtime_suspend NULL | |
1082 | #define hsw_pcm_runtime_resume NULL | |
1083 | #endif | |
1084 | ||
45544c88 | 1085 | #ifdef CONFIG_PM |
7b8ef67a | 1086 | |
2e4f7591 LG |
1087 | static void hsw_pcm_complete(struct device *dev) |
1088 | { | |
1089 | struct hsw_priv_data *pdata = dev_get_drvdata(dev); | |
1090 | struct sst_hsw *hsw = pdata->hsw; | |
1091 | struct hsw_pcm_data *pcm_data; | |
1092 | int i, err; | |
1093 | ||
1094 | if (pdata->pm_state == HSW_PM_STATE_D0) | |
1095 | return; | |
1096 | ||
1097 | err = sst_hsw_dsp_load(hsw); | |
1098 | if (err < 0) { | |
1099 | dev_err(dev, "failed to reload %d\n", err); | |
1100 | return; | |
1101 | } | |
1102 | ||
1103 | err = hsw_pcm_create_modules(pdata); | |
1104 | if (err < 0) { | |
1105 | dev_err(dev, "failed to create modules %d\n", err); | |
1106 | return; | |
1107 | } | |
1108 | ||
98b9c1d2 | 1109 | for (i = 0; i < ARRAY_SIZE(mod_map); i++) { |
7ff9d671 | 1110 | pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream]; |
2e4f7591 LG |
1111 | |
1112 | if (!pcm_data->substream) | |
1113 | continue; | |
1114 | ||
1115 | err = sst_module_runtime_restore(pcm_data->runtime, | |
1116 | &pcm_data->context); | |
1117 | if (err < 0) | |
1118 | dev_err(dev, "failed to restore context for PCM %d\n", i); | |
1119 | } | |
1120 | ||
1121 | snd_soc_resume(pdata->soc_card->dev); | |
1122 | ||
1123 | err = sst_hsw_dsp_runtime_resume(hsw); | |
1124 | if (err < 0) | |
1125 | return; | |
1126 | else if (err == 1) /* no action required */ | |
1127 | return; | |
1128 | ||
1129 | pdata->pm_state = HSW_PM_STATE_D0; | |
1130 | return; | |
1131 | } | |
1132 | ||
1133 | static int hsw_pcm_prepare(struct device *dev) | |
1134 | { | |
1135 | struct hsw_priv_data *pdata = dev_get_drvdata(dev); | |
1136 | struct sst_hsw *hsw = pdata->hsw; | |
1137 | struct hsw_pcm_data *pcm_data; | |
1138 | int i, err; | |
1139 | ||
1140 | if (pdata->pm_state == HSW_PM_STATE_D3) | |
1141 | return 0; | |
1142 | /* suspend all active streams */ | |
98b9c1d2 | 1143 | for (i = 0; i < ARRAY_SIZE(mod_map); i++) { |
7ff9d671 | 1144 | pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream]; |
2e4f7591 LG |
1145 | |
1146 | if (!pcm_data->substream) | |
1147 | continue; | |
1148 | dev_dbg(dev, "suspending pcm %d\n", i); | |
1149 | snd_pcm_suspend_all(pcm_data->hsw_pcm); | |
1150 | ||
1151 | /* We need to wait until the DSP FW stops the streams */ | |
1152 | msleep(2); | |
1153 | } | |
1154 | ||
1155 | snd_soc_suspend(pdata->soc_card->dev); | |
1156 | snd_soc_poweroff(pdata->soc_card->dev); | |
1157 | ||
1158 | /* enter D3 state and stall */ | |
1159 | sst_hsw_dsp_runtime_suspend(hsw); | |
1160 | ||
1161 | /* preserve persistent memory */ | |
98b9c1d2 | 1162 | for (i = 0; i < ARRAY_SIZE(mod_map); i++) { |
7ff9d671 | 1163 | pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream]; |
2e4f7591 LG |
1164 | |
1165 | if (!pcm_data->substream) | |
1166 | continue; | |
1167 | ||
1168 | dev_dbg(dev, "saving context pcm %d\n", i); | |
1169 | err = sst_module_runtime_save(pcm_data->runtime, | |
1170 | &pcm_data->context); | |
1171 | if (err < 0) | |
1172 | dev_err(dev, "failed to save context for PCM %d\n", i); | |
1173 | } | |
1174 | ||
1175 | /* put the DSP to sleep */ | |
1176 | sst_hsw_dsp_runtime_sleep(hsw); | |
1177 | pdata->pm_state = HSW_PM_STATE_D3; | |
1178 | ||
1179 | return 0; | |
1180 | } | |
1181 | ||
7b8ef67a LG |
1182 | #else |
1183 | #define hsw_pcm_prepare NULL | |
1184 | #define hsw_pcm_complete NULL | |
1185 | #endif | |
1186 | ||
2e4f7591 LG |
1187 | static const struct dev_pm_ops hsw_pcm_pm = { |
1188 | .runtime_idle = hsw_pcm_runtime_idle, | |
1189 | .runtime_suspend = hsw_pcm_runtime_suspend, | |
1190 | .runtime_resume = hsw_pcm_runtime_resume, | |
1191 | .prepare = hsw_pcm_prepare, | |
1192 | .complete = hsw_pcm_complete, | |
1193 | }; | |
2e4f7591 | 1194 | |
a4b12990 MB |
1195 | static struct platform_driver hsw_pcm_driver = { |
1196 | .driver = { | |
1197 | .name = "haswell-pcm-audio", | |
2e4f7591 | 1198 | .pm = &hsw_pcm_pm, |
a4b12990 MB |
1199 | }, |
1200 | ||
1201 | .probe = hsw_pcm_dev_probe, | |
1202 | .remove = hsw_pcm_dev_remove, | |
1203 | }; | |
1204 | module_platform_driver(hsw_pcm_driver); | |
1205 | ||
1206 | MODULE_AUTHOR("Liam Girdwood, Xingchao Wang"); | |
1207 | MODULE_DESCRIPTION("Haswell/Lynxpoint + Broadwell/Wildcatpoint PCM"); | |
1208 | MODULE_LICENSE("GPL v2"); | |
1209 | MODULE_ALIAS("platform:haswell-pcm-audio"); |