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