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7#include <dt-bindings/sound/sc7180-lpass.h>
8#include <dt-bindings/sound/qcom,q6afe.h>
9#include <linux/gpio/consumer.h>
10#include <linux/module.h>
11#include <linux/of.h>
12#include <linux/platform_device.h>
13#include <sound/core.h>
14#include <sound/jack.h>
15#include <sound/pcm.h>
16#include <sound/soc.h>
17#include <uapi/linux/input-event-codes.h>
18
19#include "../codecs/rt5682.h"
20#include "../codecs/rt5682s.h"
21#include "common.h"
22#include "qdsp6/q6afe.h"
23
24#define DEFAULT_MCLK_RATE 19200000
25#define MI2S_BCLK_RATE 1536000
26#define RT5682_PLL1_FREQ (48000 * 512)
27
28#define DRIVER_NAME "SC7180"
29
30struct sc7180_snd_data {
31 struct snd_soc_card card;
32 u32 pri_mi2s_clk_count;
33 struct snd_soc_jack hs_jack;
34 struct snd_soc_jack hdmi_jack;
35 struct gpio_desc *dmic_sel;
36 int dmic_switch;
37};
38
39static void sc7180_jack_free(struct snd_jack *jack)
40{
41 struct snd_soc_component *component = jack->private_data;
42
43 snd_soc_component_set_jack(component, NULL, NULL);
44}
45
46static struct snd_soc_jack_pin sc7180_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
57static int sc7180_headset_init(struct snd_soc_pcm_runtime *rtd)
58{
59 struct snd_soc_card *card = rtd->card;
60 struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card);
61 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
62 struct snd_soc_component *component = codec_dai->component;
63 struct snd_jack *jack;
64 int rval;
65
66 rval = snd_soc_card_jack_new_pins(card, "Headset Jack",
67 SND_JACK_HEADSET |
68 SND_JACK_HEADPHONE |
69 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
70 SND_JACK_BTN_2 | SND_JACK_BTN_3,
71 &pdata->hs_jack,
72 sc7180_jack_pins,
73 ARRAY_SIZE(sc7180_jack_pins));
74
75 if (rval < 0) {
76 dev_err(card->dev, "Unable to add Headset Jack\n");
77 return rval;
78 }
79
80 jack = pdata->hs_jack.jack;
81
82 snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
83 snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
84 snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
85 snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
86
87 jack->private_data = component;
88 jack->private_free = sc7180_jack_free;
89
90 return snd_soc_component_set_jack(component, &pdata->hs_jack, NULL);
91}
92
93static int sc7180_hdmi_init(struct snd_soc_pcm_runtime *rtd)
94{
95 struct snd_soc_card *card = rtd->card;
96 struct sc7180_snd_data *pdata = snd_soc_card_get_drvdata(card);
97 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
98 struct snd_soc_component *component = codec_dai->component;
99 struct snd_jack *jack;
100 int rval;
101
102 rval = snd_soc_card_jack_new(
103 card, "HDMI Jack",
104 SND_JACK_LINEOUT,
105 &pdata->hdmi_jack);
106
107 if (rval < 0) {
108 dev_err(card->dev, "Unable to add HDMI Jack\n");
109 return rval;
110 }
111
112 jack = pdata->hdmi_jack.jack;
113 jack->private_data = component;
114 jack->private_free = sc7180_jack_free;
115
116 return snd_soc_component_set_jack(component, &pdata->hdmi_jack, NULL);
117}
118
119static int sc7180_init(struct snd_soc_pcm_runtime *rtd)
120{
121 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
122
123 switch (cpu_dai->id) {
124 case MI2S_PRIMARY:
125 return sc7180_headset_init(rtd);
126 case MI2S_SECONDARY:
127 return 0;
128 case LPASS_DP_RX:
129 return sc7180_hdmi_init(rtd);
130 default:
131 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
132 cpu_dai->id);
133 return -EINVAL;
134 }
135 return 0;
136}
137
138static int sc7180_qdsp_init(struct snd_soc_pcm_runtime *rtd)
139{
140 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
141
142 switch (cpu_dai->id) {
143 case PRIMARY_MI2S_RX:
144 return sc7180_headset_init(rtd);
145 case PRIMARY_MI2S_TX:
146 case TERTIARY_MI2S_RX:
147 return 0;
148 case DISPLAY_PORT_RX:
149 return sc7180_hdmi_init(rtd);
150 default:
151 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
152 cpu_dai->id);
153 return -EINVAL;
154 }
155 return 0;
156}
157
158static int sc7180_startup_realtek_codec(struct snd_soc_pcm_runtime *rtd)
159{
160 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
161 int pll_id, pll_source, pll_in, pll_out, clk_id, ret;
162
163 if (!strcmp(codec_dai->name, "rt5682-aif1")) {
164 pll_source = RT5682_PLL1_S_MCLK;
165 pll_id = 0;
166 clk_id = RT5682_SCLK_S_PLL1;
167 pll_out = RT5682_PLL1_FREQ;
168 pll_in = DEFAULT_MCLK_RATE;
169 } else if (!strcmp(codec_dai->name, "rt5682s-aif1")) {
170 pll_source = RT5682S_PLL_S_MCLK;
171 pll_id = RT5682S_PLL2;
172 clk_id = RT5682S_SCLK_S_PLL2;
173 pll_out = RT5682_PLL1_FREQ;
174 pll_in = DEFAULT_MCLK_RATE;
175 } else {
176 return 0;
177 }
178 snd_soc_dai_set_fmt(codec_dai,
179 SND_SOC_DAIFMT_BC_FC |
180 SND_SOC_DAIFMT_NB_NF |
181 SND_SOC_DAIFMT_I2S);
182
183
184 ret = snd_soc_dai_set_pll(codec_dai, pll_id, pll_source,
185 pll_in, pll_out);
186 if (ret) {
187 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
188 return ret;
189 }
190
191
192 ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, pll_out,
193 SND_SOC_CLOCK_IN);
194 if (ret)
195 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n",
196 ret);
197
198 return ret;
199}
200
201static int sc7180_snd_startup(struct snd_pcm_substream *substream)
202{
203 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
204 struct snd_soc_card *card = rtd->card;
205 struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
206 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
207 int ret;
208
209 switch (cpu_dai->id) {
210 case MI2S_PRIMARY:
211 if (++data->pri_mi2s_clk_count == 1) {
212 snd_soc_dai_set_sysclk(cpu_dai,
213 LPASS_MCLK0,
214 DEFAULT_MCLK_RATE,
215 SNDRV_PCM_STREAM_PLAYBACK);
216 }
217
218 ret = sc7180_startup_realtek_codec(rtd);
219 if (ret)
220 return ret;
221
222 break;
223 case MI2S_SECONDARY:
224 break;
225 case LPASS_DP_RX:
226 break;
227 default:
228 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
229 cpu_dai->id);
230 return -EINVAL;
231 }
232 return 0;
233}
234
235static int sc7180_qdsp_snd_startup(struct snd_pcm_substream *substream)
236{
237 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
238 struct snd_soc_card *card = rtd->card;
239 struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
240 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
241 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
242 int ret;
243
244 switch (cpu_dai->id) {
245 case PRIMARY_MI2S_RX:
246 case PRIMARY_MI2S_TX:
247 if (++data->pri_mi2s_clk_count == 1) {
248 snd_soc_dai_set_sysclk(cpu_dai,
249 Q6AFE_LPASS_CLK_ID_MCLK_1,
250 DEFAULT_MCLK_RATE,
251 SNDRV_PCM_STREAM_PLAYBACK);
252 snd_soc_dai_set_sysclk(cpu_dai,
253 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
254 MI2S_BCLK_RATE,
255 SNDRV_PCM_STREAM_PLAYBACK);
256 }
257
258 snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_BP_FP);
259
260 ret = sc7180_startup_realtek_codec(rtd);
261 if (ret)
262 return ret;
263
264 break;
265 case TERTIARY_MI2S_RX:
266 snd_soc_dai_set_sysclk(cpu_dai,
267 Q6AFE_LPASS_CLK_ID_TER_MI2S_IBIT,
268 MI2S_BCLK_RATE,
269 SNDRV_PCM_STREAM_PLAYBACK);
270
271 snd_soc_dai_set_fmt(codec_dai,
272 SND_SOC_DAIFMT_BC_FC |
273 SND_SOC_DAIFMT_NB_NF |
274 SND_SOC_DAIFMT_I2S);
275 snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_BP_FP);
276 break;
277 case DISPLAY_PORT_RX:
278 break;
279 default:
280 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
281 cpu_dai->id);
282 return -EINVAL;
283 }
284 return 0;
285}
286
287static int dmic_get(struct snd_kcontrol *kcontrol,
288 struct snd_ctl_elem_value *ucontrol)
289{
290 struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
291 struct sc7180_snd_data *data = snd_soc_card_get_drvdata(dapm->card);
292
293 ucontrol->value.integer.value[0] = data->dmic_switch;
294 return 0;
295}
296
297static int dmic_set(struct snd_kcontrol *kcontrol,
298 struct snd_ctl_elem_value *ucontrol)
299{
300 struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
301 struct sc7180_snd_data *data = snd_soc_card_get_drvdata(dapm->card);
302
303 data->dmic_switch = ucontrol->value.integer.value[0];
304 gpiod_set_value(data->dmic_sel, data->dmic_switch);
305 return 0;
306}
307
308static void sc7180_snd_shutdown(struct snd_pcm_substream *substream)
309{
310 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
311 struct snd_soc_card *card = rtd->card;
312 struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
313 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
314
315 switch (cpu_dai->id) {
316 case MI2S_PRIMARY:
317 if (--data->pri_mi2s_clk_count == 0) {
318 snd_soc_dai_set_sysclk(cpu_dai,
319 LPASS_MCLK0,
320 0,
321 SNDRV_PCM_STREAM_PLAYBACK);
322 }
323 break;
324 case MI2S_SECONDARY:
325 break;
326 case LPASS_DP_RX:
327 break;
328 default:
329 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
330 cpu_dai->id);
331 break;
332 }
333}
334
335static void sc7180_qdsp_snd_shutdown(struct snd_pcm_substream *substream)
336{
337 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
338 struct snd_soc_card *card = rtd->card;
339 struct sc7180_snd_data *data = snd_soc_card_get_drvdata(card);
340 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
341
342 switch (cpu_dai->id) {
343 case PRIMARY_MI2S_RX:
344 case PRIMARY_MI2S_TX:
345 if (--data->pri_mi2s_clk_count == 0) {
346 snd_soc_dai_set_sysclk(cpu_dai,
347 Q6AFE_LPASS_CLK_ID_MCLK_1,
348 0,
349 SNDRV_PCM_STREAM_PLAYBACK);
350 snd_soc_dai_set_sysclk(cpu_dai,
351 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
352 0,
353 SNDRV_PCM_STREAM_PLAYBACK);
354 }
355 break;
356 case TERTIARY_MI2S_RX:
357 snd_soc_dai_set_sysclk(cpu_dai,
358 Q6AFE_LPASS_CLK_ID_TER_MI2S_IBIT,
359 0,
360 SNDRV_PCM_STREAM_PLAYBACK);
361 break;
362 case DISPLAY_PORT_RX:
363 break;
364 default:
365 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
366 cpu_dai->id);
367 break;
368 }
369}
370
371static int sc7180_adau7002_init(struct snd_soc_pcm_runtime *rtd)
372{
373 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
374
375 switch (cpu_dai->id) {
376 case MI2S_PRIMARY:
377 return 0;
378 case MI2S_SECONDARY:
379 return 0;
380 case LPASS_DP_RX:
381 return sc7180_hdmi_init(rtd);
382 default:
383 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
384 cpu_dai->id);
385 return -EINVAL;
386 }
387 return 0;
388}
389
390static int sc7180_adau7002_snd_startup(struct snd_pcm_substream *substream)
391{
392 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
393 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
394 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
395 struct snd_pcm_runtime *runtime = substream->runtime;
396
397 switch (cpu_dai->id) {
398 case MI2S_PRIMARY:
399 snd_soc_dai_set_fmt(codec_dai,
400 SND_SOC_DAIFMT_CBC_CFC |
401 SND_SOC_DAIFMT_NB_NF |
402 SND_SOC_DAIFMT_I2S);
403 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
404 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 32);
405
406 break;
407 case MI2S_SECONDARY:
408 break;
409 case LPASS_DP_RX:
410 break;
411 default:
412 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
413 cpu_dai->id);
414 return -EINVAL;
415 }
416 return 0;
417}
418
419static int sc7180_qdsp_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
420 struct snd_pcm_hw_params *params)
421{
422 struct snd_interval *rate = hw_param_interval(params,
423 SNDRV_PCM_HW_PARAM_RATE);
424 struct snd_interval *channels = hw_param_interval(params,
425 SNDRV_PCM_HW_PARAM_CHANNELS);
426
427 rate->min = rate->max = 48000;
428 channels->min = channels->max = 2;
429
430 return 0;
431}
432
433static const struct snd_soc_ops sc7180_ops = {
434 .startup = sc7180_snd_startup,
435 .shutdown = sc7180_snd_shutdown,
436};
437
438static const struct snd_soc_ops sc7180_qdsp_ops = {
439 .startup = sc7180_qdsp_snd_startup,
440 .shutdown = sc7180_qdsp_snd_shutdown,
441};
442
443static const struct snd_soc_ops sc7180_adau7002_ops = {
444 .startup = sc7180_adau7002_snd_startup,
445};
446
447static const struct snd_soc_dapm_widget sc7180_snd_widgets[] = {
448 SND_SOC_DAPM_HP("Headphone Jack", NULL),
449 SND_SOC_DAPM_MIC("Headset Mic", NULL),
450};
451
452static const struct snd_kcontrol_new sc7180_snd_controls[] = {
453 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
454 SOC_DAPM_PIN_SWITCH("Headset Mic"),
455};
456
457static const struct snd_soc_dapm_widget sc7180_adau7002_snd_widgets[] = {
458 SND_SOC_DAPM_MIC("DMIC", NULL),
459};
460
461static const char * const dmic_mux_text[] = {
462 "Front Mic",
463 "Rear Mic",
464};
465
466static SOC_ENUM_SINGLE_DECL(sc7180_dmic_enum,
467 SND_SOC_NOPM, 0, dmic_mux_text);
468
469static const struct snd_kcontrol_new sc7180_dmic_mux_control =
470 SOC_DAPM_ENUM_EXT("DMIC Select Mux", sc7180_dmic_enum,
471 dmic_get, dmic_set);
472
473static const struct snd_soc_dapm_widget sc7180_snd_dual_mic_widgets[] = {
474 SND_SOC_DAPM_HP("Headphone Jack", NULL),
475 SND_SOC_DAPM_MIC("Headset Mic", NULL),
476 SND_SOC_DAPM_MIC("DMIC", NULL),
477 SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0, &sc7180_dmic_mux_control),
478};
479
480static const struct snd_kcontrol_new sc7180_snd_dual_mic_controls[] = {
481 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
482 SOC_DAPM_PIN_SWITCH("Headset Mic"),
483};
484
485static const struct snd_soc_dapm_route sc7180_snd_dual_mic_audio_route[] = {
486 {"Dmic Mux", "Front Mic", "DMIC"},
487 {"Dmic Mux", "Rear Mic", "DMIC"},
488};
489
490static int sc7180_snd_platform_probe(struct platform_device *pdev)
491{
492 struct snd_soc_card *card;
493 struct sc7180_snd_data *data;
494 struct device *dev = &pdev->dev;
495 struct snd_soc_dai_link *link;
496 int ret;
497 int i;
498 bool qdsp = false, no_headphone = false;
499
500
501 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
502 if (!data)
503 return -ENOMEM;
504
505 card = &data->card;
506 snd_soc_card_set_drvdata(card, data);
507
508 card->owner = THIS_MODULE;
509 card->driver_name = DRIVER_NAME;
510 card->dev = dev;
511 card->dapm_widgets = sc7180_snd_widgets;
512 card->num_dapm_widgets = ARRAY_SIZE(sc7180_snd_widgets);
513 card->controls = sc7180_snd_controls;
514 card->num_controls = ARRAY_SIZE(sc7180_snd_controls);
515
516 if (of_property_present(dev->of_node, "dmic-gpios")) {
517 card->dapm_widgets = sc7180_snd_dual_mic_widgets,
518 card->num_dapm_widgets = ARRAY_SIZE(sc7180_snd_dual_mic_widgets),
519 card->controls = sc7180_snd_dual_mic_controls,
520 card->num_controls = ARRAY_SIZE(sc7180_snd_dual_mic_controls),
521 card->dapm_routes = sc7180_snd_dual_mic_audio_route,
522 card->num_dapm_routes = ARRAY_SIZE(sc7180_snd_dual_mic_audio_route),
523 data->dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
524 if (IS_ERR(data->dmic_sel)) {
525 dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n", PTR_ERR(data->dmic_sel));
526 return PTR_ERR(data->dmic_sel);
527 }
528 }
529
530 if (of_device_is_compatible(dev->of_node, "google,sc7180-coachz")) {
531 no_headphone = true;
532 card->dapm_widgets = sc7180_adau7002_snd_widgets;
533 card->num_dapm_widgets = ARRAY_SIZE(sc7180_adau7002_snd_widgets);
534 } else if (of_device_is_compatible(dev->of_node, "qcom,sc7180-qdsp6-sndcard")) {
535 qdsp = true;
536 }
537
538 ret = qcom_snd_parse_of(card);
539 if (ret)
540 return ret;
541
542 for_each_card_prelinks(card, i, link) {
543 if (no_headphone) {
544 link->ops = &sc7180_adau7002_ops;
545 link->init = sc7180_adau7002_init;
546 } else if (qdsp) {
547 if (link->no_pcm == 1) {
548 link->ops = &sc7180_qdsp_ops;
549 link->be_hw_params_fixup = sc7180_qdsp_be_hw_params_fixup;
550 link->init = sc7180_qdsp_init;
551 }
552 } else {
553 link->ops = &sc7180_ops;
554 link->init = sc7180_init;
555 }
556 }
557
558 return devm_snd_soc_register_card(dev, card);
559}
560
561static const struct of_device_id sc7180_snd_device_id[] = {
562 {.compatible = "google,sc7180-trogdor"},
563 {.compatible = "google,sc7180-coachz"},
564 {.compatible = "qcom,sc7180-qdsp6-sndcard"},
565 {},
566};
567MODULE_DEVICE_TABLE(of, sc7180_snd_device_id);
568
569static struct platform_driver sc7180_snd_driver = {
570 .probe = sc7180_snd_platform_probe,
571 .driver = {
572 .name = "msm-snd-sc7180",
573 .of_match_table = sc7180_snd_device_id,
574 .pm = &snd_soc_pm_ops,
575 },
576};
577module_platform_driver(sc7180_snd_driver);
578
579MODULE_DESCRIPTION("sc7180 ASoC Machine Driver");
580MODULE_LICENSE("GPL");
581
