1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
4 */
5
6 #include <dt-bindings/sound/qcom,q6afe.h>
7 #include <linux/module.h>
8 #include <linux/platform_device.h>
9 #include <sound/core.h>
10 #include <sound/pcm.h>
11 #include <sound/pcm_params.h>
12 #include <sound/jack.h>
13 #include <sound/soc.h>
14 #include <linux/soundwire/sdw.h>
15 #include <uapi/linux/input-event-codes.h>
16 #include "common.h"
17 #include "qdsp6/q6afe.h"
18 #include "sdw.h"
19 #include "../codecs/rt5663.h"
20
21 #define DRIVER_NAME "sdm845"
22 #define DEFAULT_SAMPLE_RATE_48K 48000
23 #define DEFAULT_MCLK_RATE 24576000
24 #define TDM_BCLK_RATE 6144000
25 #define MI2S_BCLK_RATE 1536000
26 #define LEFT_SPK_TDM_TX_MASK 0x30
27 #define RIGHT_SPK_TDM_TX_MASK 0xC0
28 #define SPK_TDM_RX_MASK 0x03
29 #define NUM_TDM_SLOTS 8
30 #define SLIM_MAX_TX_PORTS 16
31 #define SLIM_MAX_RX_PORTS 13
32 #define WCD934X_DEFAULT_MCLK_RATE 9600000
33
34 struct sdm845_snd_data {
35 struct snd_soc_jack jack;
36 bool jack_setup;
37 bool slim_port_setup;
38 bool stream_prepared[AFE_PORT_MAX];
39 struct snd_soc_card *card;
40 uint32_t pri_mi2s_clk_count;
41 uint32_t sec_mi2s_clk_count;
42 uint32_t quat_tdm_clk_count;
43 struct sdw_stream_runtime *sruntime[AFE_PORT_MAX];
44 };
45
46 static struct snd_soc_jack_pin sdm845_jack_pins[] = {
47 {
48 .pin = "Headphone Jack",
49 .mask = SND_JACK_HEADPHONE,
50 },
51 {
52 .pin = "Headset Mic",
53 .mask = SND_JACK_MICROPHONE,
54 },
55 };
56
57 static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28};
58
sdm845_slim_snd_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)59 static int sdm845_slim_snd_hw_params(struct snd_pcm_substream *substream,
60 struct snd_pcm_hw_params *params)
61 {
62 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
63 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
64 struct snd_soc_dai *codec_dai;
65 struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card);
66 u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS];
67 struct sdw_stream_runtime *sruntime;
68 u32 rx_ch_cnt = 0, tx_ch_cnt = 0;
69 int ret = 0, i;
70
71 for_each_rtd_codec_dais(rtd, i, codec_dai) {
72 sruntime = snd_soc_dai_get_stream(codec_dai,
73 substream->stream);
74 if (sruntime != ERR_PTR(-ENOTSUPP))
75 pdata->sruntime[cpu_dai->id] = sruntime;
76
77 ret = snd_soc_dai_get_channel_map(codec_dai,
78 &tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch);
79
80 if (ret != 0 && ret != -ENOTSUPP) {
81 pr_err("failed to get codec chan map, err:%d\n", ret);
82 return ret;
83 } else if (ret == -ENOTSUPP) {
84 /* Ignore unsupported */
85 continue;
86 }
87
88 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
89 ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
90 rx_ch_cnt, rx_ch);
91 else
92 ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt,
93 tx_ch, 0, NULL);
94 if (ret != 0 && ret != -ENOTSUPP) {
95 dev_err(rtd->dev, "failed to set cpu chan map, err:%d\n", ret);
96 return ret;
97 }
98 }
99
100 return 0;
101 }
102
sdm845_tdm_snd_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)103 static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream,
104 struct snd_pcm_hw_params *params)
105 {
106 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
107 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
108 struct snd_soc_dai *codec_dai;
109 int ret = 0, j;
110 int channels, slot_width;
111
112 switch (params_format(params)) {
113 case SNDRV_PCM_FORMAT_S16_LE:
114 slot_width = 16;
115 break;
116 default:
117 dev_err(rtd->dev, "%s: invalid param format 0x%x\n",
118 __func__, params_format(params));
119 return -EINVAL;
120 }
121
122 channels = params_channels(params);
123 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
124 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0x3,
125 8, slot_width);
126 if (ret < 0) {
127 dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n",
128 __func__, ret);
129 goto end;
130 }
131
132 ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
133 channels, tdm_slot_offset);
134 if (ret < 0) {
135 dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n",
136 __func__, ret);
137 goto end;
138 }
139 } else {
140 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xf, 0,
141 8, slot_width);
142 if (ret < 0) {
143 dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n",
144 __func__, ret);
145 goto end;
146 }
147
148 ret = snd_soc_dai_set_channel_map(cpu_dai, channels,
149 tdm_slot_offset, 0, NULL);
150 if (ret < 0) {
151 dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n",
152 __func__, ret);
153 goto end;
154 }
155 }
156
157 for_each_rtd_codec_dais(rtd, j, codec_dai) {
158
159 if (!strcmp(codec_dai->component->name_prefix, "Left")) {
160 ret = snd_soc_dai_set_tdm_slot(
161 codec_dai, LEFT_SPK_TDM_TX_MASK,
162 SPK_TDM_RX_MASK, NUM_TDM_SLOTS,
163 slot_width);
164 if (ret < 0) {
165 dev_err(rtd->dev,
166 "DEV0 TDM slot err:%d\n", ret);
167 return ret;
168 }
169 }
170
171 if (!strcmp(codec_dai->component->name_prefix, "Right")) {
172 ret = snd_soc_dai_set_tdm_slot(
173 codec_dai, RIGHT_SPK_TDM_TX_MASK,
174 SPK_TDM_RX_MASK, NUM_TDM_SLOTS,
175 slot_width);
176 if (ret < 0) {
177 dev_err(rtd->dev,
178 "DEV1 TDM slot err:%d\n", ret);
179 return ret;
180 }
181 }
182 }
183
184 end:
185 return ret;
186 }
187
sdm845_snd_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)188 static int sdm845_snd_hw_params(struct snd_pcm_substream *substream,
189 struct snd_pcm_hw_params *params)
190 {
191 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
192 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
193 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
194 int ret = 0;
195
196 switch (cpu_dai->id) {
197 case PRIMARY_MI2S_RX:
198 case PRIMARY_MI2S_TX:
199 /*
200 * Use ASRC for internal clocks, as PLL rate isn't multiple
201 * of BCLK.
202 */
203 rt5663_sel_asrc_clk_src(
204 codec_dai->component,
205 RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
206 RT5663_CLK_SEL_I2S1_ASRC);
207 ret = snd_soc_dai_set_sysclk(
208 codec_dai, RT5663_SCLK_S_MCLK, DEFAULT_MCLK_RATE,
209 SND_SOC_CLOCK_IN);
210 if (ret < 0)
211 dev_err(rtd->dev,
212 "snd_soc_dai_set_sysclk err = %d\n", ret);
213 break;
214 case QUATERNARY_TDM_RX_0:
215 case QUATERNARY_TDM_TX_0:
216 ret = sdm845_tdm_snd_hw_params(substream, params);
217 break;
218 case SLIMBUS_0_RX...SLIMBUS_6_TX:
219 ret = sdm845_slim_snd_hw_params(substream, params);
220 break;
221 case QUATERNARY_MI2S_RX:
222 break;
223 default:
224 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
225 break;
226 }
227 return ret;
228 }
229
sdm845_jack_free(struct snd_jack * jack)230 static void sdm845_jack_free(struct snd_jack *jack)
231 {
232 struct snd_soc_component *component = jack->private_data;
233
234 snd_soc_component_set_jack(component, NULL, NULL);
235 }
236
sdm845_dai_init(struct snd_soc_pcm_runtime * rtd)237 static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
238 {
239 struct snd_soc_component *component;
240 struct snd_soc_card *card = rtd->card;
241 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
242 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
243 struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(card);
244 struct snd_soc_dai_link *link = rtd->dai_link;
245 struct snd_jack *jack;
246 /*
247 * Codec SLIMBUS configuration
248 * RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13
249 * TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13
250 * TX14, TX15, TX16
251 */
252 unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149,
253 150, 151, 152, 153, 154, 155, 156};
254 unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133,
255 134, 135, 136, 137, 138, 139,
256 140, 141, 142, 143};
257 int rval, i;
258
259
260 if (!pdata->jack_setup) {
261 rval = snd_soc_card_jack_new_pins(card, "Headset Jack",
262 SND_JACK_HEADSET |
263 SND_JACK_HEADPHONE |
264 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
265 SND_JACK_BTN_2 | SND_JACK_BTN_3,
266 &pdata->jack,
267 sdm845_jack_pins,
268 ARRAY_SIZE(sdm845_jack_pins));
269
270 if (rval < 0) {
271 dev_err(card->dev, "Unable to add Headphone Jack\n");
272 return rval;
273 }
274
275 jack = pdata->jack.jack;
276
277 snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
278 snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
279 snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
280 snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
281 pdata->jack_setup = true;
282 }
283
284 switch (cpu_dai->id) {
285 case PRIMARY_MI2S_RX:
286 jack = pdata->jack.jack;
287 component = codec_dai->component;
288
289 jack->private_data = component;
290 jack->private_free = sdm845_jack_free;
291 rval = snd_soc_component_set_jack(component,
292 &pdata->jack, NULL);
293 if (rval != 0 && rval != -ENOTSUPP) {
294 dev_warn(card->dev, "Failed to set jack: %d\n", rval);
295 return rval;
296 }
297 break;
298 case SLIMBUS_0_RX...SLIMBUS_6_TX:
299 /* setting up wcd multiple times for slim port is redundant */
300 if (pdata->slim_port_setup || !link->no_pcm)
301 return 0;
302
303 for_each_rtd_codec_dais(rtd, i, codec_dai) {
304 rval = snd_soc_dai_set_channel_map(codec_dai,
305 ARRAY_SIZE(tx_ch),
306 tx_ch,
307 ARRAY_SIZE(rx_ch),
308 rx_ch);
309 if (rval != 0 && rval != -ENOTSUPP)
310 return rval;
311
312 snd_soc_dai_set_sysclk(codec_dai, 0,
313 WCD934X_DEFAULT_MCLK_RATE,
314 SNDRV_PCM_STREAM_PLAYBACK);
315
316 rval = snd_soc_component_set_jack(codec_dai->component,
317 &pdata->jack, NULL);
318 if (rval != 0 && rval != -ENOTSUPP) {
319 dev_warn(card->dev, "Failed to set jack: %d\n", rval);
320 return rval;
321 }
322 }
323
324 pdata->slim_port_setup = true;
325
326 break;
327 default:
328 break;
329 }
330
331 return 0;
332 }
333
334
sdm845_snd_startup(struct snd_pcm_substream * substream)335 static int sdm845_snd_startup(struct snd_pcm_substream *substream)
336 {
337 unsigned int fmt = SND_SOC_DAIFMT_BP_FP;
338 unsigned int codec_dai_fmt = SND_SOC_DAIFMT_BC_FC;
339 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
340 struct snd_soc_card *card = rtd->card;
341 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
342 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
343 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
344 int j;
345 int ret;
346
347 switch (cpu_dai->id) {
348 case PRIMARY_MI2S_RX:
349 case PRIMARY_MI2S_TX:
350 codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF;
351 if (++(data->pri_mi2s_clk_count) == 1) {
352 snd_soc_dai_set_sysclk(cpu_dai,
353 Q6AFE_LPASS_CLK_ID_MCLK_1,
354 DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
355 snd_soc_dai_set_sysclk(cpu_dai,
356 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
357 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
358 }
359 snd_soc_dai_set_fmt(cpu_dai, fmt);
360 snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
361 break;
362
363 case SECONDARY_MI2S_TX:
364 codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S;
365 if (++(data->sec_mi2s_clk_count) == 1) {
366 snd_soc_dai_set_sysclk(cpu_dai,
367 Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
368 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_CAPTURE);
369 }
370 snd_soc_dai_set_fmt(cpu_dai, fmt);
371 snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
372 break;
373 case QUATERNARY_MI2S_RX:
374 snd_soc_dai_set_sysclk(cpu_dai,
375 Q6AFE_LPASS_CLK_ID_QUAD_MI2S_IBIT,
376 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
377 snd_soc_dai_set_fmt(cpu_dai, fmt);
378
379
380 break;
381
382 case QUATERNARY_TDM_RX_0:
383 case QUATERNARY_TDM_TX_0:
384 if (++(data->quat_tdm_clk_count) == 1) {
385 snd_soc_dai_set_sysclk(cpu_dai,
386 Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
387 TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
388 }
389
390 codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B;
391
392 for_each_rtd_codec_dais(rtd, j, codec_dai) {
393
394 if (!strcmp(codec_dai->component->name_prefix,
395 "Left")) {
396 ret = snd_soc_dai_set_fmt(
397 codec_dai, codec_dai_fmt);
398 if (ret < 0) {
399 dev_err(rtd->dev,
400 "Left TDM fmt err:%d\n", ret);
401 return ret;
402 }
403 }
404
405 if (!strcmp(codec_dai->component->name_prefix,
406 "Right")) {
407 ret = snd_soc_dai_set_fmt(
408 codec_dai, codec_dai_fmt);
409 if (ret < 0) {
410 dev_err(rtd->dev,
411 "Right TDM slot err:%d\n", ret);
412 return ret;
413 }
414 }
415 }
416 break;
417 case SLIMBUS_0_RX...SLIMBUS_6_TX:
418 break;
419
420 default:
421 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
422 break;
423 }
424 return qcom_snd_sdw_startup(substream);
425 }
426
sdm845_snd_shutdown(struct snd_pcm_substream * substream)427 static void sdm845_snd_shutdown(struct snd_pcm_substream *substream)
428 {
429 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
430 struct snd_soc_card *card = rtd->card;
431 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
432 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
433 struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
434
435 switch (cpu_dai->id) {
436 case PRIMARY_MI2S_RX:
437 case PRIMARY_MI2S_TX:
438 if (--(data->pri_mi2s_clk_count) == 0) {
439 snd_soc_dai_set_sysclk(cpu_dai,
440 Q6AFE_LPASS_CLK_ID_MCLK_1,
441 0, SNDRV_PCM_STREAM_PLAYBACK);
442 snd_soc_dai_set_sysclk(cpu_dai,
443 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
444 0, SNDRV_PCM_STREAM_PLAYBACK);
445 }
446 break;
447
448 case SECONDARY_MI2S_TX:
449 if (--(data->sec_mi2s_clk_count) == 0) {
450 snd_soc_dai_set_sysclk(cpu_dai,
451 Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
452 0, SNDRV_PCM_STREAM_CAPTURE);
453 }
454 break;
455
456 case QUATERNARY_TDM_RX_0:
457 case QUATERNARY_TDM_TX_0:
458 if (--(data->quat_tdm_clk_count) == 0) {
459 snd_soc_dai_set_sysclk(cpu_dai,
460 Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
461 0, SNDRV_PCM_STREAM_PLAYBACK);
462 }
463 break;
464 case SLIMBUS_0_RX...SLIMBUS_6_TX:
465 case QUATERNARY_MI2S_RX:
466 break;
467
468 default:
469 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
470 break;
471 }
472
473 data->sruntime[cpu_dai->id] = NULL;
474 sdw_release_stream(sruntime);
475 }
476
sdm845_snd_prepare(struct snd_pcm_substream * substream)477 static int sdm845_snd_prepare(struct snd_pcm_substream *substream)
478 {
479 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
480 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
481 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
482 struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
483 int ret;
484
485 if (!sruntime)
486 return 0;
487
488 if (data->stream_prepared[cpu_dai->id]) {
489 sdw_disable_stream(sruntime);
490 sdw_deprepare_stream(sruntime);
491 data->stream_prepared[cpu_dai->id] = false;
492 }
493
494 ret = sdw_prepare_stream(sruntime);
495 if (ret)
496 return ret;
497
498 /**
499 * NOTE: there is a strict hw requirement about the ordering of port
500 * enables and actual WSA881x PA enable. PA enable should only happen
501 * after soundwire ports are enabled if not DC on the line is
502 * accumulated resulting in Click/Pop Noise
503 * PA enable/mute are handled as part of codec DAPM and digital mute.
504 */
505
506 ret = sdw_enable_stream(sruntime);
507 if (ret) {
508 sdw_deprepare_stream(sruntime);
509 return ret;
510 }
511 data->stream_prepared[cpu_dai->id] = true;
512
513 return ret;
514 }
515
sdm845_snd_hw_free(struct snd_pcm_substream * substream)516 static int sdm845_snd_hw_free(struct snd_pcm_substream *substream)
517 {
518 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
519 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
520 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
521 struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
522
523 if (sruntime && data->stream_prepared[cpu_dai->id]) {
524 sdw_disable_stream(sruntime);
525 sdw_deprepare_stream(sruntime);
526 data->stream_prepared[cpu_dai->id] = false;
527 }
528
529 return 0;
530 }
531
532 static const struct snd_soc_ops sdm845_be_ops = {
533 .hw_params = sdm845_snd_hw_params,
534 .hw_free = sdm845_snd_hw_free,
535 .prepare = sdm845_snd_prepare,
536 .startup = sdm845_snd_startup,
537 .shutdown = sdm845_snd_shutdown,
538 };
539
sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)540 static int sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
541 struct snd_pcm_hw_params *params)
542 {
543 struct snd_interval *rate = hw_param_interval(params,
544 SNDRV_PCM_HW_PARAM_RATE);
545 struct snd_interval *channels = hw_param_interval(params,
546 SNDRV_PCM_HW_PARAM_CHANNELS);
547 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
548
549 rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K;
550 channels->min = channels->max = 2;
551 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
552
553 return 0;
554 }
555
556 static const struct snd_soc_dapm_widget sdm845_snd_widgets[] = {
557 SND_SOC_DAPM_HP("Headphone Jack", NULL),
558 SND_SOC_DAPM_MIC("Headset Mic", NULL),
559 SND_SOC_DAPM_SPK("Left Spk", NULL),
560 SND_SOC_DAPM_SPK("Right Spk", NULL),
561 SND_SOC_DAPM_MIC("Int Mic", NULL),
562 };
563
564 static const struct snd_kcontrol_new sdm845_snd_controls[] = {
565 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
566 SOC_DAPM_PIN_SWITCH("Headset Mic"),
567 };
568
sdm845_add_ops(struct snd_soc_card * card)569 static void sdm845_add_ops(struct snd_soc_card *card)
570 {
571 struct snd_soc_dai_link *link;
572 int i;
573
574 for_each_card_prelinks(card, i, link) {
575 if (link->no_pcm == 1) {
576 link->ops = &sdm845_be_ops;
577 link->be_hw_params_fixup = sdm845_be_hw_params_fixup;
578 }
579 link->init = sdm845_dai_init;
580 }
581 }
582
sdm845_snd_platform_probe(struct platform_device * pdev)583 static int sdm845_snd_platform_probe(struct platform_device *pdev)
584 {
585 struct snd_soc_card *card;
586 struct sdm845_snd_data *data;
587 struct device *dev = &pdev->dev;
588 int ret;
589
590 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
591 if (!card)
592 return -ENOMEM;
593
594 /* Allocate the private data */
595 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
596 if (!data)
597 return -ENOMEM;
598
599 card->driver_name = DRIVER_NAME;
600 card->dapm_widgets = sdm845_snd_widgets;
601 card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets);
602 card->controls = sdm845_snd_controls;
603 card->num_controls = ARRAY_SIZE(sdm845_snd_controls);
604 card->dev = dev;
605 card->owner = THIS_MODULE;
606 dev_set_drvdata(dev, card);
607 ret = qcom_snd_parse_of(card);
608 if (ret)
609 return ret;
610
611 data->card = card;
612 snd_soc_card_set_drvdata(card, data);
613
614 sdm845_add_ops(card);
615 return devm_snd_soc_register_card(dev, card);
616 }
617
618 static const struct of_device_id sdm845_snd_device_id[] = {
619 { .compatible = "qcom,sdm845-sndcard" },
620 /* Do not grow the list for compatible devices */
621 { .compatible = "qcom,db845c-sndcard" },
622 { .compatible = "lenovo,yoga-c630-sndcard" },
623 {},
624 };
625 MODULE_DEVICE_TABLE(of, sdm845_snd_device_id);
626
627 static struct platform_driver sdm845_snd_driver = {
628 .probe = sdm845_snd_platform_probe,
629 .driver = {
630 .name = "msm-snd-sdm845",
631 .of_match_table = sdm845_snd_device_id,
632 },
633 };
634 module_platform_driver(sdm845_snd_driver);
635
636 MODULE_DESCRIPTION("sdm845 ASoC Machine Driver");
637 MODULE_LICENSE("GPL");
638