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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 16
31#define WCD934X_DEFAULT_MCLK_RATE 9600000
32
33struct sdm845_snd_data {
34 struct snd_soc_jack jack;
35 bool jack_setup;
36 bool stream_prepared[SLIM_MAX_RX_PORTS];
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[SLIM_MAX_RX_PORTS];
42};
43
44static unsigned int tdm_slot_offset[8] = {0, 4, 8, 12, 16, 20, 24, 28};
45
46static 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
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
86static 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
167end:
168 return ret;
169}
170
171static 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
184
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
213static 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
220static 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
230
231
232
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 break;
293 default:
294 break;
295 }
296
297 return 0;
298}
299
300
301static int sdm845_snd_startup(struct snd_pcm_substream *substream)
302{
303 unsigned int fmt = SND_SOC_DAIFMT_CBS_CFS;
304 unsigned int codec_dai_fmt = SND_SOC_DAIFMT_CBS_CFS;
305 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
306 struct snd_soc_card *card = rtd->card;
307 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
308 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
309 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
310 int j;
311 int ret;
312
313 switch (cpu_dai->id) {
314 case PRIMARY_MI2S_RX:
315 case PRIMARY_MI2S_TX:
316 codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF;
317 if (++(data->pri_mi2s_clk_count) == 1) {
318 snd_soc_dai_set_sysclk(cpu_dai,
319 Q6AFE_LPASS_CLK_ID_MCLK_1,
320 DEFAULT_MCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
321 snd_soc_dai_set_sysclk(cpu_dai,
322 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
323 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
324 }
325 snd_soc_dai_set_fmt(cpu_dai, fmt);
326 snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
327 break;
328
329 case SECONDARY_MI2S_TX:
330 codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_I2S;
331 if (++(data->sec_mi2s_clk_count) == 1) {
332 snd_soc_dai_set_sysclk(cpu_dai,
333 Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
334 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_CAPTURE);
335 }
336 snd_soc_dai_set_fmt(cpu_dai, fmt);
337 snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
338 break;
339 case QUATERNARY_MI2S_RX:
340 snd_soc_dai_set_sysclk(cpu_dai,
341 Q6AFE_LPASS_CLK_ID_QUAD_MI2S_IBIT,
342 MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
343 snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_CBS_CFS);
344
345
346 break;
347
348 case QUATERNARY_TDM_RX_0:
349 case QUATERNARY_TDM_TX_0:
350 if (++(data->quat_tdm_clk_count) == 1) {
351 snd_soc_dai_set_sysclk(cpu_dai,
352 Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
353 TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
354 }
355
356 codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B;
357
358 for_each_rtd_codec_dais(rtd, j, codec_dai) {
359
360 if (!strcmp(codec_dai->component->name_prefix,
361 "Left")) {
362 ret = snd_soc_dai_set_fmt(
363 codec_dai, codec_dai_fmt);
364 if (ret < 0) {
365 dev_err(rtd->dev,
366 "Left TDM fmt err:%d\n", ret);
367 return ret;
368 }
369 }
370
371 if (!strcmp(codec_dai->component->name_prefix,
372 "Right")) {
373 ret = snd_soc_dai_set_fmt(
374 codec_dai, codec_dai_fmt);
375 if (ret < 0) {
376 dev_err(rtd->dev,
377 "Right TDM slot err:%d\n", ret);
378 return ret;
379 }
380 }
381 }
382 break;
383 case SLIMBUS_0_RX...SLIMBUS_6_TX:
384 break;
385
386 default:
387 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
388 break;
389 }
390 return 0;
391}
392
393static void sdm845_snd_shutdown(struct snd_pcm_substream *substream)
394{
395 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
396 struct snd_soc_card *card = rtd->card;
397 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
398 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
399
400 switch (cpu_dai->id) {
401 case PRIMARY_MI2S_RX:
402 case PRIMARY_MI2S_TX:
403 if (--(data->pri_mi2s_clk_count) == 0) {
404 snd_soc_dai_set_sysclk(cpu_dai,
405 Q6AFE_LPASS_CLK_ID_MCLK_1,
406 0, SNDRV_PCM_STREAM_PLAYBACK);
407 snd_soc_dai_set_sysclk(cpu_dai,
408 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
409 0, SNDRV_PCM_STREAM_PLAYBACK);
410 }
411 break;
412
413 case SECONDARY_MI2S_TX:
414 if (--(data->sec_mi2s_clk_count) == 0) {
415 snd_soc_dai_set_sysclk(cpu_dai,
416 Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT,
417 0, SNDRV_PCM_STREAM_CAPTURE);
418 }
419 break;
420
421 case QUATERNARY_TDM_RX_0:
422 case QUATERNARY_TDM_TX_0:
423 if (--(data->quat_tdm_clk_count) == 0) {
424 snd_soc_dai_set_sysclk(cpu_dai,
425 Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
426 0, SNDRV_PCM_STREAM_PLAYBACK);
427 }
428 break;
429 case SLIMBUS_0_RX...SLIMBUS_6_TX:
430 case QUATERNARY_MI2S_RX:
431 break;
432
433 default:
434 pr_err("%s: invalid dai id 0x%x\n", __func__, cpu_dai->id);
435 break;
436 }
437}
438
439static int sdm845_snd_prepare(struct snd_pcm_substream *substream)
440{
441 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
442 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
443 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
444 struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
445 int ret;
446
447 if (!sruntime)
448 return 0;
449
450 if (data->stream_prepared[cpu_dai->id]) {
451 sdw_disable_stream(sruntime);
452 sdw_deprepare_stream(sruntime);
453 data->stream_prepared[cpu_dai->id] = false;
454 }
455
456 ret = sdw_prepare_stream(sruntime);
457 if (ret)
458 return ret;
459
460
461
462
463
464
465
466
467
468 ret = sdw_enable_stream(sruntime);
469 if (ret) {
470 sdw_deprepare_stream(sruntime);
471 return ret;
472 }
473 data->stream_prepared[cpu_dai->id] = true;
474
475 return ret;
476}
477
478static int sdm845_snd_hw_free(struct snd_pcm_substream *substream)
479{
480 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
481 struct sdm845_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
482 struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
483 struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
484
485 if (sruntime && data->stream_prepared[cpu_dai->id]) {
486 sdw_disable_stream(sruntime);
487 sdw_deprepare_stream(sruntime);
488 data->stream_prepared[cpu_dai->id] = false;
489 }
490
491 return 0;
492}
493
494static const struct snd_soc_ops sdm845_be_ops = {
495 .hw_params = sdm845_snd_hw_params,
496 .hw_free = sdm845_snd_hw_free,
497 .prepare = sdm845_snd_prepare,
498 .startup = sdm845_snd_startup,
499 .shutdown = sdm845_snd_shutdown,
500};
501
502static int sdm845_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
503 struct snd_pcm_hw_params *params)
504{
505 struct snd_interval *rate = hw_param_interval(params,
506 SNDRV_PCM_HW_PARAM_RATE);
507 struct snd_interval *channels = hw_param_interval(params,
508 SNDRV_PCM_HW_PARAM_CHANNELS);
509 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
510
511 rate->min = rate->max = DEFAULT_SAMPLE_RATE_48K;
512 channels->min = channels->max = 2;
513 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
514
515 return 0;
516}
517
518static const struct snd_soc_dapm_widget sdm845_snd_widgets[] = {
519 SND_SOC_DAPM_HP("Headphone Jack", NULL),
520 SND_SOC_DAPM_MIC("Headset Mic", NULL),
521 SND_SOC_DAPM_SPK("Left Spk", NULL),
522 SND_SOC_DAPM_SPK("Right Spk", NULL),
523 SND_SOC_DAPM_MIC("Int Mic", NULL),
524};
525
526static void sdm845_add_ops(struct snd_soc_card *card)
527{
528 struct snd_soc_dai_link *link;
529 int i;
530
531 for_each_card_prelinks(card, i, link) {
532 if (link->no_pcm == 1) {
533 link->ops = &sdm845_be_ops;
534 link->be_hw_params_fixup = sdm845_be_hw_params_fixup;
535 }
536 link->init = sdm845_dai_init;
537 }
538}
539
540static int sdm845_snd_platform_probe(struct platform_device *pdev)
541{
542 struct snd_soc_card *card;
543 struct sdm845_snd_data *data;
544 struct device *dev = &pdev->dev;
545 int ret;
546
547 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
548 if (!card)
549 return -ENOMEM;
550
551
552 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
553 if (!data)
554 return -ENOMEM;
555
556 card->driver_name = DRIVER_NAME;
557 card->dapm_widgets = sdm845_snd_widgets;
558 card->num_dapm_widgets = ARRAY_SIZE(sdm845_snd_widgets);
559 card->dev = dev;
560 card->owner = THIS_MODULE;
561 dev_set_drvdata(dev, card);
562 ret = qcom_snd_parse_of(card);
563 if (ret)
564 return ret;
565
566 data->card = card;
567 snd_soc_card_set_drvdata(card, data);
568
569 sdm845_add_ops(card);
570 return devm_snd_soc_register_card(dev, card);
571}
572
573static const struct of_device_id sdm845_snd_device_id[] = {
574 { .compatible = "qcom,sdm845-sndcard" },
575 { .compatible = "qcom,db845c-sndcard" },
576 { .compatible = "lenovo,yoga-c630-sndcard" },
577 {},
578};
579MODULE_DEVICE_TABLE(of, sdm845_snd_device_id);
580
581static struct platform_driver sdm845_snd_driver = {
582 .probe = sdm845_snd_platform_probe,
583 .driver = {
584 .name = "msm-snd-sdm845",
585 .of_match_table = sdm845_snd_device_id,
586 },
587};
588module_platform_driver(sdm845_snd_driver);
589
590MODULE_DESCRIPTION("sdm845 ASoC Machine Driver");
591MODULE_LICENSE("GPL v2");
592
