1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
4 */
5
6 #include <linux/module.h>
7 #include <linux/platform_device.h>
8 #include <linux/of_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 "../codecs/rt5663.h"
19
20 #define DRIVER_NAME "sdm845"
21 #define DEFAULT_SAMPLE_RATE_48K 48000
22 #define DEFAULT_MCLK_RATE 24576000
23 #define TDM_BCLK_RATE 6144000
24 #define MI2S_BCLK_RATE 1536000
25 #define LEFT_SPK_TDM_TX_MASK 0x30
26 #define RIGHT_SPK_TDM_TX_MASK 0xC0
27 #define SPK_TDM_RX_MASK 0x03
28 #define NUM_TDM_SLOTS 8
29 #define SLIM_MAX_TX_PORTS 16
30 #define SLIM_MAX_RX_PORTS 13
31 #define WCD934X_DEFAULT_MCLK_RATE 9600000
32
33 struct sdm845_snd_data {
34 struct snd_soc_jack jack;
35 bool jack_setup;
36 bool stream_prepared[AFE_PORT_MAX];
37 struct snd_soc_card *card;
38 uint32_t pri_mi2s_clk_count;
39 uint32_t sec_mi2s_clk_count;
40 uint32_t quat_tdm_clk_count;
41 struct sdw_stream_runtime *sruntime[AFE_PORT_MAX];
42 };
43
44 static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28};
45
sdm845_slim_snd_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)46 static int sdm845_slim_snd_hw_params(struct snd_pcm_substream *substream,
47 struct snd_pcm_hw_params *params)
48 {
49 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
50 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
51 struct snd_soc_dai *codec_dai;
52 struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card);
53 u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS];
54 struct sdw_stream_runtime *sruntime;
55 u32 rx_ch_cnt = 0, tx_ch_cnt = 0;
56 int ret = 0, i;
57
58 for_each_rtd_codec_dais(rtd, i, codec_dai) {
59 sruntime = snd_soc_dai_get_sdw_stream(codec_dai,
60 substream->stream);
61 if (sruntime != ERR_PTR(-ENOTSUPP))
62 pdata->sruntime[cpu_dai->id] = sruntime;
63
64 ret = snd_soc_dai_get_channel_map(codec_dai,
65 &tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch);
66
67 if (ret != 0 && ret != -ENOTSUPP) {
68 pr_err("failed to get codec chan map, err:%d\n", ret);
69 return ret;
70 } else if (ret == -ENOTSUPP) {
71 /* Ignore unsupported */
72 continue;
73 }
74
75 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
76 ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
77 rx_ch_cnt, rx_ch);
78 else
79 ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt,
80 tx_ch, 0, NULL);
81 }
82
83 return 0;
84 }
85
sdm845_tdm_snd_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)86 static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream,
87 struct snd_pcm_hw_params *params)
88 {
89 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
90 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
91 struct snd_soc_dai *codec_dai;
92 int ret = 0, j;
93 int channels, slot_width;
94
95 switch (params_format(params)) {
96 case SNDRV_PCM_FORMAT_S16_LE:
97 slot_width = 16;
98 break;
99 default:
100 dev_err(rtd->dev, "%s: invalid param format 0x%x\n",
101 __func__, params_format(params));
102 return -EINVAL;
103 }
104
105 channels = params_channels(params);
106 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
107 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0x3,
108 8, slot_width);
109 if (ret < 0) {
110 dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n",
111 __func__, ret);
112 goto end;
113 }
114
115 ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
116 channels, tdm_slot_offset);
117 if (ret < 0) {
118 dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n",
119 __func__, ret);
120 goto end;
121 }
122 } else {
123 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xf, 0,
124 8, slot_width);
125 if (ret < 0) {
126 dev_err(rtd->dev, "%s: failed to set tdm slot, err:%d\n",
127 __func__, ret);
128 goto end;
129 }
130
131 ret = snd_soc_dai_set_channel_map(cpu_dai, channels,
132 tdm_slot_offset, 0, NULL);
133 if (ret < 0) {
134 dev_err(rtd->dev, "%s: failed to set channel map, err:%d\n",
135 __func__, ret);
136 goto end;
137 }
138 }
139
140 for_each_rtd_codec_dais(rtd, j, codec_dai) {
141
142 if (!strcmp(codec_dai->component->name_prefix, "Left")) {
143 ret = snd_soc_dai_set_tdm_slot(
144 codec_dai, LEFT_SPK_TDM_TX_MASK,
145 SPK_TDM_RX_MASK, NUM_TDM_SLOTS,
146 slot_width);
147 if (ret < 0) {
148 dev_err(rtd->dev,
149 "DEV0 TDM slot err:%d\n", ret);
150 return ret;
151 }
152 }
153
154 if (!strcmp(codec_dai->component->name_prefix, "Right")) {
155 ret = snd_soc_dai_set_tdm_slot(
156 codec_dai, RIGHT_SPK_TDM_TX_MASK,
157 SPK_TDM_RX_MASK, NUM_TDM_SLOTS,
158 slot_width);
159 if (ret < 0) {
160 dev_err(rtd->dev,
161 "DEV1 TDM slot err:%d\n", ret);
162 return ret;
163 }
164 }
165 }
166
167 end:
168 return ret;
169 }
170
sdm845_snd_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)171 static int sdm845_snd_hw_params(struct snd_pcm_substream *substream,
172 struct snd_pcm_hw_params *params)
173 {
174 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
175 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
176 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
177 int ret = 0;
178
179 switch (cpu_dai->id) {
180 case PRIMARY_MI2S_RX:
181 case PRIMARY_MI2S_TX:
182 /*
183 * Use ASRC for internal clocks, as PLL rate isn't multiple
184 * of BCLK.
185 */
186 rt5663_sel_asrc_clk_src(
187 codec_dai->component,
188 RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
189 RT5663_CLK_SEL_I2S1_ASRC);
190 ret = snd_soc_dai_set_sysclk(
191 codec_dai, RT5663_SCLK_S_MCLK, DEFAULT_MCLK_RATE,
192 SND_SOC_CLOCK_IN);
193 if (ret < 0)
194 dev_err(rtd->dev,
195 "snd_soc_dai_set_sysclk err = %d\n", ret);
196 break;
197 case QUATERNARY_TDM_RX_0:
198 case QUATERNARY_TDM_TX_0:
199 ret = sdm845_tdm_snd_hw_params(substream, params);
200 break;
201 case SLIMBUS_0_RX...SLIMBUS_6_TX:
202 ret = sdm845_slim_snd_hw_params(substream, params);
203 break;
204 case QUATERNARY_MI2S_RX:
205 break;
206 default:
207 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
208 break;
209 }
210 return ret;
211 }
212
sdm845_jack_free(struct snd_jack * jack)213 static void sdm845_jack_free(struct snd_jack *jack)
214 {
215 struct snd_soc_component *component = jack->private_data;
216
217 snd_soc_component_set_jack(component, NULL, NULL);
218 }
219
sdm845_dai_init(struct snd_soc_pcm_runtime * rtd)220 static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
221 {
222 struct snd_soc_component *component;
223 struct snd_soc_card *card = rtd->card;
224 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
225 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
226 struct sdm845_snd_data *pdata = snd_soc_card_get_drvdata(card);
227 struct snd_jack *jack;
228 /*
229 * Codec SLIMBUS configuration
230 * RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13
231 * TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13
232 * TX14, TX15, TX16
233 */
234 unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149,
235 150, 151, 152, 153, 154, 155, 156};
236 unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133,
237 134, 135, 136, 137, 138, 139,
238 140, 141, 142, 143};
239 int rval, i;
240
241
242 if (!pdata->jack_setup) {
243 rval = snd_soc_card_jack_new(card, "Headset Jack",
244 SND_JACK_HEADSET |
245 SND_JACK_HEADPHONE |
246 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
247 SND_JACK_BTN_2 | SND_JACK_BTN_3,
248 &pdata->jack, NULL, 0);
249
250 if (rval < 0) {
251 dev_err(card->dev, "Unable to add Headphone Jack\n");
252 return rval;
253 }
254
255 jack = pdata->jack.jack;
256
257 snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
258 snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
259 snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
260 snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
261 pdata->jack_setup = true;
262 }
263
264 switch (cpu_dai->id) {
265 case PRIMARY_MI2S_RX:
266 jack = pdata->jack.jack;
267 component = codec_dai->component;
268
269 jack->private_data = component;
270 jack->private_free = sdm845_jack_free;
271 rval = snd_soc_component_set_jack(component,
272 &pdata->jack, NULL);
273 if (rval != 0 && rval != -ENOTSUPP) {
274 dev_warn(card->dev, "Failed to set jack: %d\n", rval);
275 return rval;
276 }
277 break;
278 case SLIMBUS_0_RX...SLIMBUS_6_TX:
279 for_each_rtd_codec_dais(rtd, i, codec_dai) {
280 rval = snd_soc_dai_set_channel_map(codec_dai,
281 ARRAY_SIZE(tx_ch),
282 tx_ch,
283 ARRAY_SIZE(rx_ch),
284 rx_ch);
285 if (rval != 0 && rval != -ENOTSUPP)
286 return rval;
287
288 snd_soc_dai_set_sysclk(codec_dai, 0,
289 WCD934X_DEFAULT_MCLK_RATE,
290 SNDRV_PCM_STREAM_PLAYBACK);
291
292 rval = snd_soc_component_set_jack(codec_dai->component,
293 &pdata->jack, NULL);
294 if (rval != 0 && rval != -ENOTSUPP) {
295 dev_warn(card->dev, "Failed to set jack: %d\n", rval);
296 return rval;
297 }
298
299 }
300 break;
301 default:
302 break;
303 }
304
305 return 0;
306 }
307
308
sdm845_snd_startup(struct snd_pcm_substream * substream)309 static int sdm845_snd_startup(struct snd_pcm_substream *substream)
310 {
311 unsigned int fmt = SND_SOC_DAIFMT_CBS_CFS;
312 unsigned int codec_dai_fmt = SND_SOC_DAIFMT_CBS_CFS;
313 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
314 struct snd_soc_card *card = rtd->card;
315 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
316 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
317 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
318 int j;
319 int ret;
320
321 switch (cpu_dai->id) {
322 case PRIMARY_MI2S_RX:
323 case PRIMARY_MI2S_TX:
324 codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF;
325 if (++(data->pri_mi2s_clk_count) == 1) {
326 snd_soc_dai_set_sysclk(cpu_dai,
327 Q6AFE_LPASS_CLK_ID_MCLK_1,
328 DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
329 snd_soc_dai_set_sysclk(cpu_dai,
330 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
331 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
332 }
333 snd_soc_dai_set_fmt(cpu_dai, fmt);
334 snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
335 break;
336
337 case SECONDARY_MI2S_TX:
338 codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S;
339 if (++(data->sec_mi2s_clk_count) == 1) {
340 snd_soc_dai_set_sysclk(cpu_dai,
341 Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
342 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_CAPTURE);
343 }
344 snd_soc_dai_set_fmt(cpu_dai, fmt);
345 snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
346 break;
347 case QUATERNARY_MI2S_RX:
348 snd_soc_dai_set_sysclk(cpu_dai,
349 Q6AFE_LPASS_CLK_ID_QUAD_MI2S_IBIT,
350 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
351 snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_CBS_CFS);
352
353
354 break;
355
356 case QUATERNARY_TDM_RX_0:
357 case QUATERNARY_TDM_TX_0:
358 if (++(data->quat_tdm_clk_count) == 1) {
359 snd_soc_dai_set_sysclk(cpu_dai,
360 Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
361 TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
362 }
363
364 codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B;
365
366 for_each_rtd_codec_dais(rtd, j, codec_dai) {
367
368 if (!strcmp(codec_dai->component->name_prefix,
369 "Left")) {
370 ret = snd_soc_dai_set_fmt(
371 codec_dai, codec_dai_fmt);
372 if (ret < 0) {
373 dev_err(rtd->dev,
374 "Left TDM fmt err:%d\n", ret);
375 return ret;
376 }
377 }
378
379 if (!strcmp(codec_dai->component->name_prefix,
380 "Right")) {
381 ret = snd_soc_dai_set_fmt(
382 codec_dai, codec_dai_fmt);
383 if (ret < 0) {
384 dev_err(rtd->dev,
385 "Right TDM slot err:%d\n", ret);
386 return ret;
387 }
388 }
389 }
390 break;
391 case SLIMBUS_0_RX...SLIMBUS_6_TX:
392 break;
393
394 default:
395 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
396 break;
397 }
398 return 0;
399 }
400
sdm845_snd_shutdown(struct snd_pcm_substream * substream)401 static void sdm845_snd_shutdown(struct snd_pcm_substream *substream)
402 {
403 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
404 struct snd_soc_card *card = rtd->card;
405 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
406 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
407
408 switch (cpu_dai->id) {
409 case PRIMARY_MI2S_RX:
410 case PRIMARY_MI2S_TX:
411 if (--(data->pri_mi2s_clk_count) == 0) {
412 snd_soc_dai_set_sysclk(cpu_dai,
413 Q6AFE_LPASS_CLK_ID_MCLK_1,
414 0, SNDRV_PCM_STREAM_PLAYBACK);
415 snd_soc_dai_set_sysclk(cpu_dai,
416 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
417 0, SNDRV_PCM_STREAM_PLAYBACK);
418 }
419 break;
420
421 case SECONDARY_MI2S_TX:
422 if (--(data->sec_mi2s_clk_count) == 0) {
423 snd_soc_dai_set_sysclk(cpu_dai,
424 Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
425 0, SNDRV_PCM_STREAM_CAPTURE);
426 }
427 break;
428
429 case QUATERNARY_TDM_RX_0:
430 case QUATERNARY_TDM_TX_0:
431 if (--(data->quat_tdm_clk_count) == 0) {
432 snd_soc_dai_set_sysclk(cpu_dai,
433 Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
434 0, SNDRV_PCM_STREAM_PLAYBACK);
435 }
436 break;
437 case SLIMBUS_0_RX...SLIMBUS_6_TX:
438 case QUATERNARY_MI2S_RX:
439 break;
440
441 default:
442 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
443 break;
444 }
445 }
446
sdm845_snd_prepare(struct snd_pcm_substream * substream)447 static int sdm845_snd_prepare(struct snd_pcm_substream *substream)
448 {
449 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
450 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
451 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
452 struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
453 int ret;
454
455 if (!sruntime)
456 return 0;
457
458 if (data->stream_prepared[cpu_dai->id]) {
459 sdw_disable_stream(sruntime);
460 sdw_deprepare_stream(sruntime);
461 data->stream_prepared[cpu_dai->id] = false;
462 }
463
464 ret = sdw_prepare_stream(sruntime);
465 if (ret)
466 return ret;
467
468 /**
469 * NOTE: there is a strict hw requirement about the ordering of port
470 * enables and actual WSA881x PA enable. PA enable should only happen
471 * after soundwire ports are enabled if not DC on the line is
472 * accumulated resulting in Click/Pop Noise
473 * PA enable/mute are handled as part of codec DAPM and digital mute.
474 */
475
476 ret = sdw_enable_stream(sruntime);
477 if (ret) {
478 sdw_deprepare_stream(sruntime);
479 return ret;
480 }
481 data->stream_prepared[cpu_dai->id] = true;
482
483 return ret;
484 }
485
sdm845_snd_hw_free(struct snd_pcm_substream * substream)486 static int sdm845_snd_hw_free(struct snd_pcm_substream *substream)
487 {
488 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
489 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
490 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
491 struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
492
493 if (sruntime && data->stream_prepared[cpu_dai->id]) {
494 sdw_disable_stream(sruntime);
495 sdw_deprepare_stream(sruntime);
496 data->stream_prepared[cpu_dai->id] = false;
497 }
498
499 return 0;
500 }
501
502 static const struct snd_soc_ops sdm845_be_ops = {
503 .hw_params = sdm845_snd_hw_params,
504 .hw_free = sdm845_snd_hw_free,
505 .prepare = sdm845_snd_prepare,
506 .startup = sdm845_snd_startup,
507 .shutdown = sdm845_snd_shutdown,
508 };
509
sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)510 static int sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
511 struct snd_pcm_hw_params *params)
512 {
513 struct snd_interval *rate = hw_param_interval(params,
514 SNDRV_PCM_HW_PARAM_RATE);
515 struct snd_interval *channels = hw_param_interval(params,
516 SNDRV_PCM_HW_PARAM_CHANNELS);
517 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
518
519 rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K;
520 channels->min = channels->max = 2;
521 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
522
523 return 0;
524 }
525
526 static const struct snd_soc_dapm_widget sdm845_snd_widgets[] = {
527 SND_SOC_DAPM_HP("Headphone Jack", NULL),
528 SND_SOC_DAPM_MIC("Headset Mic", NULL),
529 SND_SOC_DAPM_SPK("Left Spk", NULL),
530 SND_SOC_DAPM_SPK("Right Spk", NULL),
531 SND_SOC_DAPM_MIC("Int Mic", NULL),
532 };
533
sdm845_add_ops(struct snd_soc_card * card)534 static void sdm845_add_ops(struct snd_soc_card *card)
535 {
536 struct snd_soc_dai_link *link;
537 int i;
538
539 for_each_card_prelinks(card, i, link) {
540 if (link->no_pcm == 1) {
541 link->ops = &sdm845_be_ops;
542 link->be_hw_params_fixup = sdm845_be_hw_params_fixup;
543 }
544 link->init = sdm845_dai_init;
545 }
546 }
547
sdm845_snd_platform_probe(struct platform_device * pdev)548 static int sdm845_snd_platform_probe(struct platform_device *pdev)
549 {
550 struct snd_soc_card *card;
551 struct sdm845_snd_data *data;
552 struct device *dev = &pdev->dev;
553 int ret;
554
555 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
556 if (!card)
557 return -ENOMEM;
558
559 /* Allocate the private data */
560 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
561 if (!data)
562 return -ENOMEM;
563
564 card->driver_name = DRIVER_NAME;
565 card->dapm_widgets = sdm845_snd_widgets;
566 card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets);
567 card->dev = dev;
568 card->owner = THIS_MODULE;
569 dev_set_drvdata(dev, card);
570 ret = qcom_snd_parse_of(card);
571 if (ret)
572 return ret;
573
574 data->card = card;
575 snd_soc_card_set_drvdata(card, data);
576
577 sdm845_add_ops(card);
578 return devm_snd_soc_register_card(dev, card);
579 }
580
581 static const struct of_device_id sdm845_snd_device_id[] = {
582 { .compatible = "qcom,sdm845-sndcard" },
583 { .compatible = "qcom,db845c-sndcard" },
584 { .compatible = "lenovo,yoga-c630-sndcard" },
585 {},
586 };
587 MODULE_DEVICE_TABLE(of, sdm845_snd_device_id);
588
589 static struct platform_driver sdm845_snd_driver = {
590 .probe = sdm845_snd_platform_probe,
591 .driver = {
592 .name = "msm-snd-sdm845",
593 .of_match_table = sdm845_snd_device_id,
594 },
595 };
596 module_platform_driver(sdm845_snd_driver);
597
598 MODULE_DESCRIPTION("sdm845 ASoC Machine Driver");
599 MODULE_LICENSE("GPL v2");
600
