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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 MB |
20 | #include <linux/delay.h> |
21 | #include <asm/page.h> | |
22 | #include <asm/pgtable.h> | |
23 | #include <sound/core.h> | |
24 | #include <sound/pcm.h> | |
25 | #include <sound/pcm_params.h> | |
26 | #include <sound/dmaengine_pcm.h> | |
27 | #include <sound/soc.h> | |
28 | #include <sound/tlv.h> | |
29 | #include <sound/compress_driver.h> | |
30 | ||
31 | #include "sst-haswell-ipc.h" | |
32 | #include "sst-dsp-priv.h" | |
33 | #include "sst-dsp.h" | |
34 | ||
35 | #define HSW_PCM_COUNT 6 | |
36 | #define HSW_VOLUME_MAX 0x7FFFFFFF /* 0dB */ | |
37 | ||
38 | /* simple volume table */ | |
39 | static const u32 volume_map[] = { | |
40 | HSW_VOLUME_MAX >> 30, | |
41 | HSW_VOLUME_MAX >> 29, | |
42 | HSW_VOLUME_MAX >> 28, | |
43 | HSW_VOLUME_MAX >> 27, | |
44 | HSW_VOLUME_MAX >> 26, | |
45 | HSW_VOLUME_MAX >> 25, | |
46 | HSW_VOLUME_MAX >> 24, | |
47 | HSW_VOLUME_MAX >> 23, | |
48 | HSW_VOLUME_MAX >> 22, | |
49 | HSW_VOLUME_MAX >> 21, | |
50 | HSW_VOLUME_MAX >> 20, | |
51 | HSW_VOLUME_MAX >> 19, | |
52 | HSW_VOLUME_MAX >> 18, | |
53 | HSW_VOLUME_MAX >> 17, | |
54 | HSW_VOLUME_MAX >> 16, | |
55 | HSW_VOLUME_MAX >> 15, | |
56 | HSW_VOLUME_MAX >> 14, | |
57 | HSW_VOLUME_MAX >> 13, | |
58 | HSW_VOLUME_MAX >> 12, | |
59 | HSW_VOLUME_MAX >> 11, | |
60 | HSW_VOLUME_MAX >> 10, | |
61 | HSW_VOLUME_MAX >> 9, | |
62 | HSW_VOLUME_MAX >> 8, | |
63 | HSW_VOLUME_MAX >> 7, | |
64 | HSW_VOLUME_MAX >> 6, | |
65 | HSW_VOLUME_MAX >> 5, | |
66 | HSW_VOLUME_MAX >> 4, | |
67 | HSW_VOLUME_MAX >> 3, | |
68 | HSW_VOLUME_MAX >> 2, | |
69 | HSW_VOLUME_MAX >> 1, | |
70 | HSW_VOLUME_MAX >> 0, | |
71 | }; | |
72 | ||
73 | #define HSW_PCM_PERIODS_MAX 64 | |
74 | #define HSW_PCM_PERIODS_MIN 2 | |
75 | ||
76 | static const struct snd_pcm_hardware hsw_pcm_hardware = { | |
77 | .info = SNDRV_PCM_INFO_MMAP | | |
78 | SNDRV_PCM_INFO_MMAP_VALID | | |
79 | SNDRV_PCM_INFO_INTERLEAVED | | |
80 | SNDRV_PCM_INFO_PAUSE | | |
81 | SNDRV_PCM_INFO_RESUME | | |
82 | SNDRV_PCM_INFO_NO_PERIOD_WAKEUP, | |
8e897618 | 83 | .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | |
a4b12990 MB |
84 | SNDRV_PCM_FMTBIT_S32_LE, |
85 | .period_bytes_min = PAGE_SIZE, | |
86 | .period_bytes_max = (HSW_PCM_PERIODS_MAX / HSW_PCM_PERIODS_MIN) * PAGE_SIZE, | |
87 | .periods_min = HSW_PCM_PERIODS_MIN, | |
88 | .periods_max = HSW_PCM_PERIODS_MAX, | |
89 | .buffer_bytes_max = HSW_PCM_PERIODS_MAX * PAGE_SIZE, | |
90 | }; | |
91 | ||
92 | /* private data for each PCM DSP stream */ | |
93 | struct hsw_pcm_data { | |
94 | int dai_id; | |
95 | struct sst_hsw_stream *stream; | |
96 | u32 volume[2]; | |
97 | struct snd_pcm_substream *substream; | |
98 | struct snd_compr_stream *cstream; | |
99 | unsigned int wpos; | |
100 | struct mutex mutex; | |
916152c4 | 101 | bool allocated; |
a4b12990 MB |
102 | }; |
103 | ||
104 | /* private data for the driver */ | |
105 | struct hsw_priv_data { | |
106 | /* runtime DSP */ | |
107 | struct sst_hsw *hsw; | |
108 | ||
109 | /* page tables */ | |
0b708c87 | 110 | struct snd_dma_buffer dmab[HSW_PCM_COUNT][2]; |
a4b12990 MB |
111 | |
112 | /* DAI data */ | |
113 | struct hsw_pcm_data pcm[HSW_PCM_COUNT]; | |
114 | }; | |
115 | ||
916152c4 LG |
116 | static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data); |
117 | ||
a4b12990 MB |
118 | static inline u32 hsw_mixer_to_ipc(unsigned int value) |
119 | { | |
120 | if (value >= ARRAY_SIZE(volume_map)) | |
121 | return volume_map[0]; | |
122 | else | |
123 | return volume_map[value]; | |
124 | } | |
125 | ||
126 | static inline unsigned int hsw_ipc_to_mixer(u32 value) | |
127 | { | |
128 | int i; | |
129 | ||
130 | for (i = 0; i < ARRAY_SIZE(volume_map); i++) { | |
131 | if (volume_map[i] >= value) | |
132 | return i; | |
133 | } | |
134 | ||
135 | return i - 1; | |
136 | } | |
137 | ||
138 | static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol, | |
139 | struct snd_ctl_elem_value *ucontrol) | |
140 | { | |
923976a3 LPC |
141 | struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol); |
142 | struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(cmpnt); | |
a4b12990 MB |
143 | struct soc_mixer_control *mc = |
144 | (struct soc_mixer_control *)kcontrol->private_value; | |
a4b12990 MB |
145 | struct hsw_pcm_data *pcm_data = &pdata->pcm[mc->reg]; |
146 | struct sst_hsw *hsw = pdata->hsw; | |
147 | u32 volume; | |
148 | ||
149 | mutex_lock(&pcm_data->mutex); | |
150 | ||
151 | if (!pcm_data->stream) { | |
152 | pcm_data->volume[0] = | |
153 | hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); | |
154 | pcm_data->volume[1] = | |
155 | hsw_mixer_to_ipc(ucontrol->value.integer.value[1]); | |
156 | mutex_unlock(&pcm_data->mutex); | |
157 | return 0; | |
158 | } | |
159 | ||
160 | if (ucontrol->value.integer.value[0] == | |
161 | ucontrol->value.integer.value[1]) { | |
162 | volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); | |
163 | sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 2, volume); | |
164 | } else { | |
165 | volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); | |
166 | sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 0, volume); | |
167 | volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]); | |
168 | sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 1, volume); | |
169 | } | |
170 | ||
171 | mutex_unlock(&pcm_data->mutex); | |
172 | return 0; | |
173 | } | |
174 | ||
175 | static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol, | |
176 | struct snd_ctl_elem_value *ucontrol) | |
177 | { | |
923976a3 LPC |
178 | struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol); |
179 | struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(cmpnt); | |
a4b12990 MB |
180 | struct soc_mixer_control *mc = |
181 | (struct soc_mixer_control *)kcontrol->private_value; | |
a4b12990 MB |
182 | struct hsw_pcm_data *pcm_data = &pdata->pcm[mc->reg]; |
183 | struct sst_hsw *hsw = pdata->hsw; | |
184 | u32 volume; | |
185 | ||
186 | mutex_lock(&pcm_data->mutex); | |
187 | ||
188 | if (!pcm_data->stream) { | |
189 | ucontrol->value.integer.value[0] = | |
190 | hsw_ipc_to_mixer(pcm_data->volume[0]); | |
191 | ucontrol->value.integer.value[1] = | |
192 | hsw_ipc_to_mixer(pcm_data->volume[1]); | |
193 | mutex_unlock(&pcm_data->mutex); | |
194 | return 0; | |
195 | } | |
196 | ||
197 | sst_hsw_stream_get_volume(hsw, pcm_data->stream, 0, 0, &volume); | |
198 | ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(volume); | |
199 | sst_hsw_stream_get_volume(hsw, pcm_data->stream, 0, 1, &volume); | |
200 | ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(volume); | |
201 | mutex_unlock(&pcm_data->mutex); | |
202 | ||
203 | return 0; | |
204 | } | |
205 | ||
206 | static int hsw_volume_put(struct snd_kcontrol *kcontrol, | |
207 | struct snd_ctl_elem_value *ucontrol) | |
208 | { | |
923976a3 LPC |
209 | struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol); |
210 | struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(cmpnt); | |
a4b12990 MB |
211 | struct sst_hsw *hsw = pdata->hsw; |
212 | u32 volume; | |
213 | ||
214 | if (ucontrol->value.integer.value[0] == | |
215 | ucontrol->value.integer.value[1]) { | |
216 | ||
217 | volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); | |
218 | sst_hsw_mixer_set_volume(hsw, 0, 2, volume); | |
219 | ||
220 | } else { | |
221 | volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); | |
222 | sst_hsw_mixer_set_volume(hsw, 0, 0, volume); | |
223 | ||
224 | volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]); | |
225 | sst_hsw_mixer_set_volume(hsw, 0, 1, volume); | |
226 | } | |
227 | ||
228 | return 0; | |
229 | } | |
230 | ||
231 | static int hsw_volume_get(struct snd_kcontrol *kcontrol, | |
232 | struct snd_ctl_elem_value *ucontrol) | |
233 | { | |
923976a3 LPC |
234 | struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol); |
235 | struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(cmpnt); | |
a4b12990 MB |
236 | struct sst_hsw *hsw = pdata->hsw; |
237 | unsigned int volume = 0; | |
238 | ||
239 | sst_hsw_mixer_get_volume(hsw, 0, 0, &volume); | |
240 | ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(volume); | |
241 | ||
242 | sst_hsw_mixer_get_volume(hsw, 0, 1, &volume); | |
243 | ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(volume); | |
244 | ||
245 | return 0; | |
246 | } | |
247 | ||
248 | /* TLV used by both global and stream volumes */ | |
249 | static const DECLARE_TLV_DB_SCALE(hsw_vol_tlv, -9000, 300, 1); | |
250 | ||
251 | /* System Pin has no volume control */ | |
252 | static const struct snd_kcontrol_new hsw_volume_controls[] = { | |
253 | /* Global DSP volume */ | |
254 | SOC_DOUBLE_EXT_TLV("Master Playback Volume", 0, 0, 8, | |
255 | ARRAY_SIZE(volume_map) -1, 0, | |
256 | hsw_volume_get, hsw_volume_put, hsw_vol_tlv), | |
257 | /* Offload 0 volume */ | |
258 | SOC_DOUBLE_EXT_TLV("Media0 Playback Volume", 1, 0, 8, | |
259 | ARRAY_SIZE(volume_map), 0, | |
260 | hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), | |
261 | /* Offload 1 volume */ | |
262 | SOC_DOUBLE_EXT_TLV("Media1 Playback Volume", 2, 0, 8, | |
263 | ARRAY_SIZE(volume_map), 0, | |
264 | hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), | |
265 | /* Loopback volume */ | |
266 | SOC_DOUBLE_EXT_TLV("Loopback Capture Volume", 3, 0, 8, | |
267 | ARRAY_SIZE(volume_map), 0, | |
268 | hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), | |
269 | /* Mic Capture volume */ | |
270 | SOC_DOUBLE_EXT_TLV("Mic Capture Volume", 4, 0, 8, | |
271 | ARRAY_SIZE(volume_map), 0, | |
272 | hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), | |
273 | }; | |
274 | ||
275 | /* Create DMA buffer page table for DSP */ | |
0b708c87 LG |
276 | static int create_adsp_page_table(struct snd_pcm_substream *substream, |
277 | struct hsw_priv_data *pdata, struct snd_soc_pcm_runtime *rtd, | |
278 | unsigned char *dma_area, size_t size, int pcm) | |
a4b12990 | 279 | { |
0b708c87 LG |
280 | struct snd_dma_buffer *dmab = snd_pcm_get_dma_buf(substream); |
281 | int i, pages, stream = substream->stream; | |
a4b12990 | 282 | |
0b708c87 | 283 | pages = snd_sgbuf_aligned_pages(size); |
a4b12990 MB |
284 | |
285 | dev_dbg(rtd->dev, "generating page table for %p size 0x%zu pages %d\n", | |
286 | dma_area, size, pages); | |
287 | ||
288 | for (i = 0; i < pages; i++) { | |
289 | u32 idx = (((i << 2) + i)) >> 1; | |
0b708c87 | 290 | u32 pfn = snd_sgbuf_get_addr(dmab, i * PAGE_SIZE) >> PAGE_SHIFT; |
a4b12990 MB |
291 | u32 *pg_table; |
292 | ||
293 | dev_dbg(rtd->dev, "pfn i %i idx %d pfn %x\n", i, idx, pfn); | |
294 | ||
0b708c87 | 295 | pg_table = (u32 *)(pdata->dmab[pcm][stream].area + idx); |
a4b12990 MB |
296 | |
297 | if (i & 1) | |
298 | *pg_table |= (pfn << 4); | |
299 | else | |
300 | *pg_table |= pfn; | |
301 | } | |
302 | ||
303 | return 0; | |
304 | } | |
305 | ||
306 | /* this may get called several times by oss emulation */ | |
307 | static int hsw_pcm_hw_params(struct snd_pcm_substream *substream, | |
308 | struct snd_pcm_hw_params *params) | |
309 | { | |
310 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
311 | struct snd_pcm_runtime *runtime = substream->runtime; | |
312 | struct hsw_priv_data *pdata = | |
313 | snd_soc_platform_get_drvdata(rtd->platform); | |
314 | struct hsw_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(rtd); | |
315 | struct sst_hsw *hsw = pdata->hsw; | |
316 | struct sst_module *module_data; | |
317 | struct sst_dsp *dsp; | |
0b708c87 | 318 | struct snd_dma_buffer *dmab; |
a4b12990 MB |
319 | enum sst_hsw_stream_type stream_type; |
320 | enum sst_hsw_stream_path_id path_id; | |
321 | u32 rate, bits, map, pages, module_id; | |
322 | u8 channels; | |
323 | int ret; | |
324 | ||
916152c4 LG |
325 | /* check if we are being called a subsequent time */ |
326 | if (pcm_data->allocated) { | |
327 | ret = sst_hsw_stream_reset(hsw, pcm_data->stream); | |
328 | if (ret < 0) | |
329 | dev_dbg(rtd->dev, "error: reset stream failed %d\n", | |
330 | ret); | |
331 | ||
332 | ret = sst_hsw_stream_free(hsw, pcm_data->stream); | |
333 | if (ret < 0) { | |
334 | dev_dbg(rtd->dev, "error: free stream failed %d\n", | |
335 | ret); | |
336 | return ret; | |
337 | } | |
338 | pcm_data->allocated = false; | |
339 | ||
340 | pcm_data->stream = sst_hsw_stream_new(hsw, rtd->cpu_dai->id, | |
341 | hsw_notify_pointer, pcm_data); | |
342 | if (pcm_data->stream == NULL) { | |
343 | dev_err(rtd->dev, "error: failed to create stream\n"); | |
344 | return -EINVAL; | |
345 | } | |
346 | } | |
347 | ||
a4b12990 MB |
348 | /* stream direction */ |
349 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
350 | path_id = SST_HSW_STREAM_PATH_SSP0_OUT; | |
351 | else | |
352 | path_id = SST_HSW_STREAM_PATH_SSP0_IN; | |
353 | ||
354 | /* DSP stream type depends on DAI ID */ | |
355 | switch (rtd->cpu_dai->id) { | |
356 | case 0: | |
357 | stream_type = SST_HSW_STREAM_TYPE_SYSTEM; | |
358 | module_id = SST_HSW_MODULE_PCM_SYSTEM; | |
359 | break; | |
360 | case 1: | |
361 | case 2: | |
362 | stream_type = SST_HSW_STREAM_TYPE_RENDER; | |
363 | module_id = SST_HSW_MODULE_PCM; | |
364 | break; | |
365 | case 3: | |
366 | /* path ID needs to be OUT for loopback */ | |
367 | stream_type = SST_HSW_STREAM_TYPE_LOOPBACK; | |
368 | path_id = SST_HSW_STREAM_PATH_SSP0_OUT; | |
369 | module_id = SST_HSW_MODULE_PCM_REFERENCE; | |
370 | break; | |
371 | case 4: | |
372 | stream_type = SST_HSW_STREAM_TYPE_CAPTURE; | |
373 | module_id = SST_HSW_MODULE_PCM_CAPTURE; | |
374 | break; | |
375 | default: | |
376 | dev_err(rtd->dev, "error: invalid DAI ID %d\n", | |
377 | rtd->cpu_dai->id); | |
378 | return -EINVAL; | |
379 | }; | |
380 | ||
381 | ret = sst_hsw_stream_format(hsw, pcm_data->stream, | |
382 | path_id, stream_type, SST_HSW_STREAM_FORMAT_PCM_FORMAT); | |
383 | if (ret < 0) { | |
384 | dev_err(rtd->dev, "error: failed to set format %d\n", ret); | |
385 | return ret; | |
386 | } | |
387 | ||
388 | rate = params_rate(params); | |
389 | ret = sst_hsw_stream_set_rate(hsw, pcm_data->stream, rate); | |
390 | if (ret < 0) { | |
391 | dev_err(rtd->dev, "error: could not set rate %d\n", rate); | |
392 | return ret; | |
393 | } | |
394 | ||
395 | switch (params_format(params)) { | |
396 | case SNDRV_PCM_FORMAT_S16_LE: | |
397 | bits = SST_HSW_DEPTH_16BIT; | |
398 | sst_hsw_stream_set_valid(hsw, pcm_data->stream, 16); | |
399 | break; | |
400 | case SNDRV_PCM_FORMAT_S24_LE: | |
8e897618 JY |
401 | bits = SST_HSW_DEPTH_32BIT; |
402 | sst_hsw_stream_set_valid(hsw, pcm_data->stream, 24); | |
403 | break; | |
404 | case SNDRV_PCM_FORMAT_S8: | |
405 | bits = SST_HSW_DEPTH_8BIT; | |
406 | sst_hsw_stream_set_valid(hsw, pcm_data->stream, 8); | |
407 | break; | |
408 | case SNDRV_PCM_FORMAT_S32_LE: | |
409 | bits = SST_HSW_DEPTH_32BIT; | |
a4b12990 MB |
410 | sst_hsw_stream_set_valid(hsw, pcm_data->stream, 32); |
411 | break; | |
412 | default: | |
413 | dev_err(rtd->dev, "error: invalid format %d\n", | |
414 | params_format(params)); | |
415 | return -EINVAL; | |
416 | } | |
417 | ||
418 | ret = sst_hsw_stream_set_bits(hsw, pcm_data->stream, bits); | |
419 | if (ret < 0) { | |
420 | dev_err(rtd->dev, "error: could not set bits %d\n", bits); | |
421 | return ret; | |
422 | } | |
423 | ||
424 | /* we only support stereo atm */ | |
425 | channels = params_channels(params); | |
426 | if (channels != 2) { | |
427 | dev_err(rtd->dev, "error: invalid channels %d\n", channels); | |
428 | return -EINVAL; | |
429 | } | |
430 | ||
431 | map = create_channel_map(SST_HSW_CHANNEL_CONFIG_STEREO); | |
432 | sst_hsw_stream_set_map_config(hsw, pcm_data->stream, | |
433 | map, SST_HSW_CHANNEL_CONFIG_STEREO); | |
434 | ||
435 | ret = sst_hsw_stream_set_channels(hsw, pcm_data->stream, channels); | |
436 | if (ret < 0) { | |
437 | dev_err(rtd->dev, "error: could not set channels %d\n", | |
438 | channels); | |
439 | return ret; | |
440 | } | |
441 | ||
442 | ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); | |
443 | if (ret < 0) { | |
444 | dev_err(rtd->dev, "error: could not allocate %d bytes for PCM %d\n", | |
445 | params_buffer_bytes(params), ret); | |
446 | return ret; | |
447 | } | |
448 | ||
0b708c87 LG |
449 | dmab = snd_pcm_get_dma_buf(substream); |
450 | ||
451 | ret = create_adsp_page_table(substream, pdata, rtd, runtime->dma_area, | |
452 | runtime->dma_bytes, rtd->cpu_dai->id); | |
a4b12990 MB |
453 | if (ret < 0) |
454 | return ret; | |
455 | ||
456 | sst_hsw_stream_set_style(hsw, pcm_data->stream, | |
457 | SST_HSW_INTERLEAVING_PER_CHANNEL); | |
458 | ||
459 | if (runtime->dma_bytes % PAGE_SIZE) | |
460 | pages = (runtime->dma_bytes / PAGE_SIZE) + 1; | |
461 | else | |
462 | pages = runtime->dma_bytes / PAGE_SIZE; | |
463 | ||
464 | ret = sst_hsw_stream_buffer(hsw, pcm_data->stream, | |
0b708c87 | 465 | pdata->dmab[rtd->cpu_dai->id][substream->stream].addr, |
a4b12990 | 466 | pages, runtime->dma_bytes, 0, |
0b708c87 | 467 | snd_sgbuf_get_addr(dmab, 0) >> PAGE_SHIFT); |
a4b12990 MB |
468 | if (ret < 0) { |
469 | dev_err(rtd->dev, "error: failed to set DMA buffer %d\n", ret); | |
470 | return ret; | |
471 | } | |
472 | ||
473 | dsp = sst_hsw_get_dsp(hsw); | |
474 | ||
475 | module_data = sst_module_get_from_id(dsp, module_id); | |
476 | if (module_data == NULL) { | |
477 | dev_err(rtd->dev, "error: failed to get module config\n"); | |
478 | return -EINVAL; | |
479 | } | |
480 | ||
481 | /* we use hardcoded memory offsets atm, will be updated for new FW */ | |
482 | if (stream_type == SST_HSW_STREAM_TYPE_CAPTURE) { | |
483 | sst_hsw_stream_set_module_info(hsw, pcm_data->stream, | |
484 | SST_HSW_MODULE_PCM_CAPTURE, module_data->entry); | |
485 | sst_hsw_stream_set_pmemory_info(hsw, pcm_data->stream, | |
486 | 0x449400, 0x4000); | |
487 | sst_hsw_stream_set_smemory_info(hsw, pcm_data->stream, | |
488 | 0x400000, 0); | |
489 | } else { /* stream_type == SST_HSW_STREAM_TYPE_SYSTEM */ | |
490 | sst_hsw_stream_set_module_info(hsw, pcm_data->stream, | |
491 | SST_HSW_MODULE_PCM_SYSTEM, module_data->entry); | |
492 | ||
493 | sst_hsw_stream_set_pmemory_info(hsw, pcm_data->stream, | |
494 | module_data->offset, module_data->size); | |
495 | sst_hsw_stream_set_pmemory_info(hsw, pcm_data->stream, | |
496 | 0x44d400, 0x3800); | |
497 | ||
498 | sst_hsw_stream_set_smemory_info(hsw, pcm_data->stream, | |
499 | module_data->offset, module_data->size); | |
500 | sst_hsw_stream_set_smemory_info(hsw, pcm_data->stream, | |
501 | 0x400000, 0); | |
502 | } | |
503 | ||
504 | ret = sst_hsw_stream_commit(hsw, pcm_data->stream); | |
505 | if (ret < 0) { | |
506 | dev_err(rtd->dev, "error: failed to commit stream %d\n", ret); | |
507 | return ret; | |
508 | } | |
916152c4 | 509 | pcm_data->allocated = true; |
a4b12990 MB |
510 | |
511 | ret = sst_hsw_stream_pause(hsw, pcm_data->stream, 1); | |
512 | if (ret < 0) | |
513 | dev_err(rtd->dev, "error: failed to pause %d\n", ret); | |
514 | ||
515 | return 0; | |
516 | } | |
517 | ||
518 | static int hsw_pcm_hw_free(struct snd_pcm_substream *substream) | |
519 | { | |
520 | snd_pcm_lib_free_pages(substream); | |
521 | return 0; | |
522 | } | |
523 | ||
524 | static int hsw_pcm_trigger(struct snd_pcm_substream *substream, int cmd) | |
525 | { | |
526 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
527 | struct hsw_priv_data *pdata = | |
528 | snd_soc_platform_get_drvdata(rtd->platform); | |
529 | struct hsw_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(rtd); | |
530 | struct sst_hsw *hsw = pdata->hsw; | |
531 | ||
532 | switch (cmd) { | |
533 | case SNDRV_PCM_TRIGGER_START: | |
534 | case SNDRV_PCM_TRIGGER_RESUME: | |
535 | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | |
536 | sst_hsw_stream_resume(hsw, pcm_data->stream, 0); | |
537 | break; | |
538 | case SNDRV_PCM_TRIGGER_STOP: | |
539 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
540 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
541 | sst_hsw_stream_pause(hsw, pcm_data->stream, 0); | |
542 | break; | |
543 | default: | |
544 | break; | |
545 | } | |
546 | ||
547 | return 0; | |
548 | } | |
549 | ||
550 | static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data) | |
551 | { | |
552 | struct hsw_pcm_data *pcm_data = data; | |
553 | struct snd_pcm_substream *substream = pcm_data->substream; | |
554 | struct snd_pcm_runtime *runtime = substream->runtime; | |
555 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
556 | u32 pos; | |
557 | ||
558 | pos = frames_to_bytes(runtime, | |
559 | (runtime->control->appl_ptr % runtime->buffer_size)); | |
560 | ||
561 | dev_dbg(rtd->dev, "PCM: App pointer %d bytes\n", pos); | |
562 | ||
563 | /* let alsa know we have play a period */ | |
564 | snd_pcm_period_elapsed(substream); | |
565 | return pos; | |
566 | } | |
567 | ||
568 | static snd_pcm_uframes_t hsw_pcm_pointer(struct snd_pcm_substream *substream) | |
569 | { | |
570 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
571 | struct snd_pcm_runtime *runtime = substream->runtime; | |
572 | struct hsw_priv_data *pdata = | |
573 | snd_soc_platform_get_drvdata(rtd->platform); | |
574 | struct hsw_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(rtd); | |
575 | struct sst_hsw *hsw = pdata->hsw; | |
576 | snd_pcm_uframes_t offset; | |
51b4e24f LG |
577 | uint64_t ppos; |
578 | u32 position = sst_hsw_get_dsp_position(hsw, pcm_data->stream); | |
a4b12990 | 579 | |
51b4e24f LG |
580 | offset = bytes_to_frames(runtime, position); |
581 | ppos = sst_hsw_get_dsp_presentation_position(hsw, pcm_data->stream); | |
a4b12990 | 582 | |
51b4e24f LG |
583 | dev_dbg(rtd->dev, "PCM: DMA pointer %du bytes, pos %llu\n", |
584 | position, ppos); | |
a4b12990 MB |
585 | return offset; |
586 | } | |
587 | ||
588 | static int hsw_pcm_open(struct snd_pcm_substream *substream) | |
589 | { | |
590 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
591 | struct hsw_priv_data *pdata = | |
592 | snd_soc_platform_get_drvdata(rtd->platform); | |
593 | struct hsw_pcm_data *pcm_data; | |
594 | struct sst_hsw *hsw = pdata->hsw; | |
595 | ||
596 | pcm_data = &pdata->pcm[rtd->cpu_dai->id]; | |
597 | ||
598 | mutex_lock(&pcm_data->mutex); | |
599 | ||
600 | snd_soc_pcm_set_drvdata(rtd, pcm_data); | |
601 | pcm_data->substream = substream; | |
602 | ||
603 | snd_soc_set_runtime_hwparams(substream, &hsw_pcm_hardware); | |
604 | ||
605 | pcm_data->stream = sst_hsw_stream_new(hsw, rtd->cpu_dai->id, | |
606 | hsw_notify_pointer, pcm_data); | |
607 | if (pcm_data->stream == NULL) { | |
608 | dev_err(rtd->dev, "error: failed to create stream\n"); | |
609 | mutex_unlock(&pcm_data->mutex); | |
610 | return -EINVAL; | |
611 | } | |
612 | ||
613 | /* Set previous saved volume */ | |
614 | sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, | |
615 | 0, pcm_data->volume[0]); | |
616 | sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, | |
617 | 1, pcm_data->volume[1]); | |
618 | ||
619 | mutex_unlock(&pcm_data->mutex); | |
620 | return 0; | |
621 | } | |
622 | ||
623 | static int hsw_pcm_close(struct snd_pcm_substream *substream) | |
624 | { | |
625 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
626 | struct hsw_priv_data *pdata = | |
627 | snd_soc_platform_get_drvdata(rtd->platform); | |
628 | struct hsw_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(rtd); | |
629 | struct sst_hsw *hsw = pdata->hsw; | |
630 | int ret; | |
631 | ||
632 | mutex_lock(&pcm_data->mutex); | |
633 | ret = sst_hsw_stream_reset(hsw, pcm_data->stream); | |
634 | if (ret < 0) { | |
635 | dev_dbg(rtd->dev, "error: reset stream failed %d\n", ret); | |
636 | goto out; | |
637 | } | |
638 | ||
639 | ret = sst_hsw_stream_free(hsw, pcm_data->stream); | |
640 | if (ret < 0) { | |
641 | dev_dbg(rtd->dev, "error: free stream failed %d\n", ret); | |
642 | goto out; | |
643 | } | |
916152c4 | 644 | pcm_data->allocated = 0; |
a4b12990 MB |
645 | pcm_data->stream = NULL; |
646 | ||
647 | out: | |
648 | mutex_unlock(&pcm_data->mutex); | |
649 | return ret; | |
650 | } | |
651 | ||
652 | static struct snd_pcm_ops hsw_pcm_ops = { | |
653 | .open = hsw_pcm_open, | |
654 | .close = hsw_pcm_close, | |
655 | .ioctl = snd_pcm_lib_ioctl, | |
656 | .hw_params = hsw_pcm_hw_params, | |
657 | .hw_free = hsw_pcm_hw_free, | |
658 | .trigger = hsw_pcm_trigger, | |
659 | .pointer = hsw_pcm_pointer, | |
0b708c87 | 660 | .page = snd_pcm_sgbuf_ops_page, |
a4b12990 MB |
661 | }; |
662 | ||
663 | static void hsw_pcm_free(struct snd_pcm *pcm) | |
664 | { | |
665 | snd_pcm_lib_preallocate_free_for_all(pcm); | |
666 | } | |
667 | ||
668 | static int hsw_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
669 | { | |
670 | struct snd_pcm *pcm = rtd->pcm; | |
10df3509 LG |
671 | struct snd_soc_platform *platform = rtd->platform; |
672 | struct sst_pdata *pdata = dev_get_platdata(platform->dev); | |
673 | struct device *dev = pdata->dma_dev; | |
a4b12990 MB |
674 | int ret = 0; |
675 | ||
a4b12990 MB |
676 | if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream || |
677 | pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { | |
678 | ret = snd_pcm_lib_preallocate_pages_for_all(pcm, | |
0b708c87 | 679 | SNDRV_DMA_TYPE_DEV_SG, |
10df3509 | 680 | dev, |
a4b12990 MB |
681 | hsw_pcm_hardware.buffer_bytes_max, |
682 | hsw_pcm_hardware.buffer_bytes_max); | |
683 | if (ret) { | |
684 | dev_err(rtd->dev, "dma buffer allocation failed %d\n", | |
685 | ret); | |
686 | return ret; | |
687 | } | |
688 | } | |
689 | ||
690 | return ret; | |
691 | } | |
692 | ||
693 | #define HSW_FORMATS \ | |
2ccf3bd4 | 694 | (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE) |
a4b12990 MB |
695 | |
696 | static struct snd_soc_dai_driver hsw_dais[] = { | |
697 | { | |
698 | .name = "System Pin", | |
699 | .playback = { | |
700 | .stream_name = "System Playback", | |
701 | .channels_min = 2, | |
702 | .channels_max = 2, | |
703 | .rates = SNDRV_PCM_RATE_48000, | |
8e897618 | 704 | .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, |
a4b12990 MB |
705 | }, |
706 | }, | |
707 | { | |
708 | /* PCM */ | |
709 | .name = "Offload0 Pin", | |
710 | .playback = { | |
711 | .stream_name = "Offload0 Playback", | |
712 | .channels_min = 2, | |
713 | .channels_max = 2, | |
714 | .rates = SNDRV_PCM_RATE_8000_192000, | |
715 | .formats = HSW_FORMATS, | |
716 | }, | |
717 | }, | |
718 | { | |
719 | /* PCM */ | |
720 | .name = "Offload1 Pin", | |
721 | .playback = { | |
722 | .stream_name = "Offload1 Playback", | |
723 | .channels_min = 2, | |
724 | .channels_max = 2, | |
725 | .rates = SNDRV_PCM_RATE_8000_192000, | |
726 | .formats = HSW_FORMATS, | |
727 | }, | |
728 | }, | |
729 | { | |
730 | .name = "Loopback Pin", | |
731 | .capture = { | |
732 | .stream_name = "Loopback Capture", | |
733 | .channels_min = 2, | |
734 | .channels_max = 2, | |
8e897618 JY |
735 | .rates = SNDRV_PCM_RATE_48000, |
736 | .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, | |
a4b12990 MB |
737 | }, |
738 | }, | |
739 | { | |
740 | .name = "Capture Pin", | |
741 | .capture = { | |
742 | .stream_name = "Analog Capture", | |
743 | .channels_min = 2, | |
744 | .channels_max = 2, | |
8e897618 JY |
745 | .rates = SNDRV_PCM_RATE_48000, |
746 | .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, | |
a4b12990 MB |
747 | }, |
748 | }, | |
749 | }; | |
750 | ||
751 | static const struct snd_soc_dapm_widget widgets[] = { | |
752 | ||
753 | /* Backend DAIs */ | |
754 | SND_SOC_DAPM_AIF_IN("SSP0 CODEC IN", NULL, 0, SND_SOC_NOPM, 0, 0), | |
755 | SND_SOC_DAPM_AIF_OUT("SSP0 CODEC OUT", NULL, 0, SND_SOC_NOPM, 0, 0), | |
756 | SND_SOC_DAPM_AIF_IN("SSP1 BT IN", NULL, 0, SND_SOC_NOPM, 0, 0), | |
757 | SND_SOC_DAPM_AIF_OUT("SSP1 BT OUT", NULL, 0, SND_SOC_NOPM, 0, 0), | |
758 | ||
759 | /* Global Playback Mixer */ | |
760 | SND_SOC_DAPM_MIXER("Playback VMixer", SND_SOC_NOPM, 0, 0, NULL, 0), | |
761 | }; | |
762 | ||
763 | static const struct snd_soc_dapm_route graph[] = { | |
764 | ||
765 | /* Playback Mixer */ | |
766 | {"Playback VMixer", NULL, "System Playback"}, | |
767 | {"Playback VMixer", NULL, "Offload0 Playback"}, | |
768 | {"Playback VMixer", NULL, "Offload1 Playback"}, | |
769 | ||
770 | {"SSP0 CODEC OUT", NULL, "Playback VMixer"}, | |
771 | ||
772 | {"Analog Capture", NULL, "SSP0 CODEC IN"}, | |
773 | }; | |
774 | ||
775 | static int hsw_pcm_probe(struct snd_soc_platform *platform) | |
776 | { | |
bd033808 | 777 | struct hsw_priv_data *priv_data = snd_soc_platform_get_drvdata(platform); |
a4b12990 | 778 | struct sst_pdata *pdata = dev_get_platdata(platform->dev); |
bd033808 | 779 | struct device *dma_dev = pdata->dma_dev; |
0b708c87 | 780 | int i, ret = 0; |
a4b12990 | 781 | |
a4b12990 MB |
782 | /* allocate DSP buffer page tables */ |
783 | for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) { | |
784 | ||
785 | mutex_init(&priv_data->pcm[i].mutex); | |
786 | ||
787 | /* playback */ | |
788 | if (hsw_dais[i].playback.channels_min) { | |
0b708c87 LG |
789 | ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dma_dev, |
790 | PAGE_SIZE, &priv_data->dmab[i][0]); | |
791 | if (ret < 0) | |
a4b12990 MB |
792 | goto err; |
793 | } | |
794 | ||
795 | /* capture */ | |
796 | if (hsw_dais[i].capture.channels_min) { | |
0b708c87 LG |
797 | ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dma_dev, |
798 | PAGE_SIZE, &priv_data->dmab[i][1]); | |
799 | if (ret < 0) | |
a4b12990 MB |
800 | goto err; |
801 | } | |
802 | } | |
803 | ||
804 | return 0; | |
805 | ||
806 | err: | |
807 | for (;i >= 0; i--) { | |
808 | if (hsw_dais[i].playback.channels_min) | |
0b708c87 | 809 | snd_dma_free_pages(&priv_data->dmab[i][0]); |
a4b12990 | 810 | if (hsw_dais[i].capture.channels_min) |
0b708c87 | 811 | snd_dma_free_pages(&priv_data->dmab[i][1]); |
a4b12990 | 812 | } |
0b708c87 | 813 | return ret; |
a4b12990 MB |
814 | } |
815 | ||
816 | static int hsw_pcm_remove(struct snd_soc_platform *platform) | |
817 | { | |
818 | struct hsw_priv_data *priv_data = | |
819 | snd_soc_platform_get_drvdata(platform); | |
820 | int i; | |
821 | ||
822 | for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) { | |
823 | if (hsw_dais[i].playback.channels_min) | |
0b708c87 | 824 | snd_dma_free_pages(&priv_data->dmab[i][0]); |
a4b12990 | 825 | if (hsw_dais[i].capture.channels_min) |
0b708c87 | 826 | snd_dma_free_pages(&priv_data->dmab[i][1]); |
a4b12990 MB |
827 | } |
828 | ||
829 | return 0; | |
830 | } | |
831 | ||
832 | static struct snd_soc_platform_driver hsw_soc_platform = { | |
833 | .probe = hsw_pcm_probe, | |
834 | .remove = hsw_pcm_remove, | |
835 | .ops = &hsw_pcm_ops, | |
836 | .pcm_new = hsw_pcm_new, | |
837 | .pcm_free = hsw_pcm_free, | |
a4b12990 MB |
838 | }; |
839 | ||
840 | static const struct snd_soc_component_driver hsw_dai_component = { | |
923976a3 LPC |
841 | .name = "haswell-dai", |
842 | .controls = hsw_volume_controls, | |
843 | .num_controls = ARRAY_SIZE(hsw_volume_controls), | |
844 | .dapm_widgets = widgets, | |
845 | .num_dapm_widgets = ARRAY_SIZE(widgets), | |
846 | .dapm_routes = graph, | |
847 | .num_dapm_routes = ARRAY_SIZE(graph), | |
a4b12990 MB |
848 | }; |
849 | ||
850 | static int hsw_pcm_dev_probe(struct platform_device *pdev) | |
851 | { | |
852 | struct sst_pdata *sst_pdata = dev_get_platdata(&pdev->dev); | |
bd033808 | 853 | struct hsw_priv_data *priv_data; |
a4b12990 MB |
854 | int ret; |
855 | ||
bd033808 LPC |
856 | if (!sst_pdata) |
857 | return -EINVAL; | |
858 | ||
859 | priv_data = devm_kzalloc(&pdev->dev, sizeof(*priv_data), GFP_KERNEL); | |
860 | if (!priv_data) | |
861 | return -ENOMEM; | |
862 | ||
a4b12990 MB |
863 | ret = sst_hsw_dsp_init(&pdev->dev, sst_pdata); |
864 | if (ret < 0) | |
865 | return -ENODEV; | |
866 | ||
bd033808 LPC |
867 | priv_data->hsw = sst_pdata->dsp; |
868 | platform_set_drvdata(pdev, priv_data); | |
869 | ||
a4b12990 MB |
870 | ret = snd_soc_register_platform(&pdev->dev, &hsw_soc_platform); |
871 | if (ret < 0) | |
872 | goto err_plat; | |
873 | ||
874 | ret = snd_soc_register_component(&pdev->dev, &hsw_dai_component, | |
875 | hsw_dais, ARRAY_SIZE(hsw_dais)); | |
876 | if (ret < 0) | |
877 | goto err_comp; | |
878 | ||
879 | return 0; | |
880 | ||
881 | err_comp: | |
882 | snd_soc_unregister_platform(&pdev->dev); | |
883 | err_plat: | |
884 | sst_hsw_dsp_free(&pdev->dev, sst_pdata); | |
885 | return 0; | |
886 | } | |
887 | ||
888 | static int hsw_pcm_dev_remove(struct platform_device *pdev) | |
889 | { | |
890 | struct sst_pdata *sst_pdata = dev_get_platdata(&pdev->dev); | |
891 | ||
892 | snd_soc_unregister_platform(&pdev->dev); | |
893 | snd_soc_unregister_component(&pdev->dev); | |
894 | sst_hsw_dsp_free(&pdev->dev, sst_pdata); | |
895 | ||
896 | return 0; | |
897 | } | |
898 | ||
899 | static struct platform_driver hsw_pcm_driver = { | |
900 | .driver = { | |
901 | .name = "haswell-pcm-audio", | |
902 | .owner = THIS_MODULE, | |
903 | }, | |
904 | ||
905 | .probe = hsw_pcm_dev_probe, | |
906 | .remove = hsw_pcm_dev_remove, | |
907 | }; | |
908 | module_platform_driver(hsw_pcm_driver); | |
909 | ||
910 | MODULE_AUTHOR("Liam Girdwood, Xingchao Wang"); | |
911 | MODULE_DESCRIPTION("Haswell/Lynxpoint + Broadwell/Wildcatpoint PCM"); | |
912 | MODULE_LICENSE("GPL v2"); | |
913 | MODULE_ALIAS("platform:haswell-pcm-audio"); |