1 // SPDX-License-Identifier: GPL-2.0-only
3 // Copyright (c) 2020, The Linux Foundation. All rights reserved.
5 // sc7180.c -- ALSA SoC Machine driver for SC7180
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>
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>
19 #include "../codecs/rt5682.h"
20 #include "../codecs/rt5682s.h"
22 #include "qdsp6/q6afe.h"
24 #define DEFAULT_MCLK_RATE 19200000
25 #define MI2S_BCLK_RATE 1536000
26 #define RT5682_PLL1_FREQ (48000 * 512)
28 #define DRIVER_NAME "SC7180"
30 struct 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;
39 static void sc7180_jack_free(struct snd_jack *jack)
41 struct snd_soc_component *component = jack->private_data;
43 snd_soc_component_set_jack(component, NULL, NULL);
46 static struct snd_soc_jack_pin sc7180_jack_pins[] = {
48 .pin = "Headphone Jack",
49 .mask = SND_JACK_HEADPHONE,
53 .mask = SND_JACK_MICROPHONE,
57 static int sc7180_headset_init(struct snd_soc_pcm_runtime *rtd)
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;
66 rval = snd_soc_card_jack_new_pins(card, "Headset Jack",
69 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
70 SND_JACK_BTN_2 | SND_JACK_BTN_3,
73 ARRAY_SIZE(sc7180_jack_pins));
76 dev_err(card->dev, "Unable to add Headset Jack\n");
80 jack = pdata->hs_jack.jack;
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);
87 jack->private_data = component;
88 jack->private_free = sc7180_jack_free;
90 return snd_soc_component_set_jack(component, &pdata->hs_jack, NULL);
93 static int sc7180_hdmi_init(struct snd_soc_pcm_runtime *rtd)
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;
102 rval = snd_soc_card_jack_new(
108 dev_err(card->dev, "Unable to add HDMI Jack\n");
112 jack = pdata->hdmi_jack.jack;
113 jack->private_data = component;
114 jack->private_free = sc7180_jack_free;
116 return snd_soc_component_set_jack(component, &pdata->hdmi_jack, NULL);
119 static int sc7180_init(struct snd_soc_pcm_runtime *rtd)
121 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
123 switch (cpu_dai->id) {
125 return sc7180_headset_init(rtd);
129 return sc7180_hdmi_init(rtd);
131 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
138 static int sc7180_qdsp_init(struct snd_soc_pcm_runtime *rtd)
140 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
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:
148 case DISPLAY_PORT_RX:
149 return sc7180_hdmi_init(rtd);
151 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
158 static int sc7180_startup_realtek_codec(struct snd_soc_pcm_runtime *rtd)
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;
163 if (!strcmp(codec_dai->name, "rt5682-aif1")) {
164 pll_source = RT5682_PLL1_S_MCLK;
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;
178 snd_soc_dai_set_fmt(codec_dai,
179 SND_SOC_DAIFMT_BC_FC |
180 SND_SOC_DAIFMT_NB_NF |
183 /* Configure PLL1 for codec */
184 ret = snd_soc_dai_set_pll(codec_dai, pll_id, pll_source,
187 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
191 /* Configure sysclk for codec */
192 ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, pll_out,
195 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n",
201 static int sc7180_snd_startup(struct snd_pcm_substream *substream)
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);
209 switch (cpu_dai->id) {
211 if (++data->pri_mi2s_clk_count == 1) {
212 snd_soc_dai_set_sysclk(cpu_dai,
215 SNDRV_PCM_STREAM_PLAYBACK);
218 ret = sc7180_startup_realtek_codec(rtd);
228 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
235 static int sc7180_qdsp_snd_startup(struct snd_pcm_substream *substream)
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);
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,
251 SNDRV_PCM_STREAM_PLAYBACK);
252 snd_soc_dai_set_sysclk(cpu_dai,
253 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
255 SNDRV_PCM_STREAM_PLAYBACK);
258 snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_BP_FP);
260 ret = sc7180_startup_realtek_codec(rtd);
265 case TERTIARY_MI2S_RX:
266 snd_soc_dai_set_sysclk(cpu_dai,
267 Q6AFE_LPASS_CLK_ID_TER_MI2S_IBIT,
269 SNDRV_PCM_STREAM_PLAYBACK);
271 snd_soc_dai_set_fmt(codec_dai,
272 SND_SOC_DAIFMT_BC_FC |
273 SND_SOC_DAIFMT_NB_NF |
275 snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_BP_FP);
277 case DISPLAY_PORT_RX:
280 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
287 static int dmic_get(struct snd_kcontrol *kcontrol,
288 struct snd_ctl_elem_value *ucontrol)
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);
293 ucontrol->value.integer.value[0] = data->dmic_switch;
297 static int dmic_set(struct snd_kcontrol *kcontrol,
298 struct snd_ctl_elem_value *ucontrol)
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);
303 data->dmic_switch = ucontrol->value.integer.value[0];
304 gpiod_set_value(data->dmic_sel, data->dmic_switch);
308 static void sc7180_snd_shutdown(struct snd_pcm_substream *substream)
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);
315 switch (cpu_dai->id) {
317 if (--data->pri_mi2s_clk_count == 0) {
318 snd_soc_dai_set_sysclk(cpu_dai,
321 SNDRV_PCM_STREAM_PLAYBACK);
329 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
335 static void sc7180_qdsp_snd_shutdown(struct snd_pcm_substream *substream)
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);
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,
349 SNDRV_PCM_STREAM_PLAYBACK);
350 snd_soc_dai_set_sysclk(cpu_dai,
351 Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT,
353 SNDRV_PCM_STREAM_PLAYBACK);
356 case TERTIARY_MI2S_RX:
357 snd_soc_dai_set_sysclk(cpu_dai,
358 Q6AFE_LPASS_CLK_ID_TER_MI2S_IBIT,
360 SNDRV_PCM_STREAM_PLAYBACK);
362 case DISPLAY_PORT_RX:
365 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
371 static int sc7180_adau7002_init(struct snd_soc_pcm_runtime *rtd)
373 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
375 switch (cpu_dai->id) {
381 return sc7180_hdmi_init(rtd);
383 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
390 static int sc7180_adau7002_snd_startup(struct snd_pcm_substream *substream)
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;
397 switch (cpu_dai->id) {
399 snd_soc_dai_set_fmt(codec_dai,
400 SND_SOC_DAIFMT_CBS_CFS |
401 SND_SOC_DAIFMT_NB_NF |
403 runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
404 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 32);
412 dev_err(rtd->dev, "%s: invalid dai id 0x%x\n", __func__,
419 static int sc7180_qdsp_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
420 struct snd_pcm_hw_params *params)
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);
427 rate->min = rate->max = 48000;
428 channels->min = channels->max = 2;
433 static const struct snd_soc_ops sc7180_ops = {
434 .startup = sc7180_snd_startup,
435 .shutdown = sc7180_snd_shutdown,
438 static const struct snd_soc_ops sc7180_qdsp_ops = {
439 .startup = sc7180_qdsp_snd_startup,
440 .shutdown = sc7180_qdsp_snd_shutdown,
443 static const struct snd_soc_ops sc7180_adau7002_ops = {
444 .startup = sc7180_adau7002_snd_startup,
447 static 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),
452 static const struct snd_kcontrol_new sc7180_snd_controls[] = {
453 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
454 SOC_DAPM_PIN_SWITCH("Headset Mic"),
457 static const struct snd_soc_dapm_widget sc7180_adau7002_snd_widgets[] = {
458 SND_SOC_DAPM_MIC("DMIC", NULL),
461 static const char * const dmic_mux_text[] = {
466 static SOC_ENUM_SINGLE_DECL(sc7180_dmic_enum,
467 SND_SOC_NOPM, 0, dmic_mux_text);
469 static const struct snd_kcontrol_new sc7180_dmic_mux_control =
470 SOC_DAPM_ENUM_EXT("DMIC Select Mux", sc7180_dmic_enum,
473 static 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),
480 static const struct snd_kcontrol_new sc7180_snd_dual_mic_controls[] = {
481 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
482 SOC_DAPM_PIN_SWITCH("Headset Mic"),
485 static const struct snd_soc_dapm_route sc7180_snd_dual_mic_audio_route[] = {
486 {"Dmic Mux", "Front Mic", "DMIC"},
487 {"Dmic Mux", "Rear Mic", "DMIC"},
490 static int sc7180_snd_platform_probe(struct platform_device *pdev)
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;
498 bool qdsp = false, no_headphone = false;
500 /* Allocate the private data */
501 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
506 snd_soc_card_set_drvdata(card, data);
508 card->owner = THIS_MODULE;
509 card->driver_name = DRIVER_NAME;
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);
516 if (of_property_read_bool(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);
530 if (of_device_is_compatible(dev->of_node, "google,sc7180-coachz")) {
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")) {
538 ret = qcom_snd_parse_of(card);
542 for_each_card_prelinks(card, i, link) {
544 link->ops = &sc7180_adau7002_ops;
545 link->init = sc7180_adau7002_init;
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;
553 link->ops = &sc7180_ops;
554 link->init = sc7180_init;
558 return devm_snd_soc_register_card(dev, card);
561 static 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"},
567 MODULE_DEVICE_TABLE(of, sc7180_snd_device_id);
569 static struct platform_driver sc7180_snd_driver = {
570 .probe = sc7180_snd_platform_probe,
572 .name = "msm-snd-sc7180",
573 .of_match_table = sc7180_snd_device_id,
574 .pm = &snd_soc_pm_ops,
577 module_platform_driver(sc7180_snd_driver);
579 MODULE_DESCRIPTION("sc7180 ASoC Machine Driver");
580 MODULE_LICENSE("GPL");