1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright(c) 2018 Intel Corporation.
5 * Intel Geminilake I2S Machine Driver with MAX98357A & RT5682 Codecs
8 * Intel Apollolake I2S Machine driver
11 #include <linux/input.h>
12 #include <linux/module.h>
13 #include <linux/platform_device.h>
14 #include <sound/core.h>
15 #include <sound/jack.h>
16 #include <sound/pcm.h>
17 #include <sound/pcm_params.h>
18 #include <sound/soc.h>
19 #include "../skylake/skl.h"
20 #include "../../codecs/rt5682.h"
21 #include "../../codecs/hdac_hdmi.h"
23 /* The platform clock outputs 19.2Mhz clock to codec as I2S MCLK */
24 #define GLK_PLAT_CLK_FREQ 19200000
25 #define RT5682_PLL_FREQ (48000 * 512)
26 #define GLK_REALTEK_CODEC_DAI "rt5682-aif1"
27 #define GLK_MAXIM_CODEC_DAI "HiFi"
28 #define MAXIM_DEV0_NAME "MX98357A:00"
29 #define DUAL_CHANNEL 2
30 #define QUAD_CHANNEL 4
33 static struct snd_soc_jack geminilake_hdmi[3];
36 struct list_head head;
37 struct snd_soc_dai *codec_dai;
41 struct glk_card_private {
42 struct snd_soc_jack geminilake_headset;
43 struct list_head hdmi_pcm_list;
47 GLK_DPCM_AUDIO_PB = 0,
50 GLK_DPCM_AUDIO_ECHO_REF_CP,
51 GLK_DPCM_AUDIO_REF_CP,
52 GLK_DPCM_AUDIO_DMIC_CP,
53 GLK_DPCM_AUDIO_HDMI1_PB,
54 GLK_DPCM_AUDIO_HDMI2_PB,
55 GLK_DPCM_AUDIO_HDMI3_PB,
58 static const struct snd_kcontrol_new geminilake_controls[] = {
59 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
60 SOC_DAPM_PIN_SWITCH("Headset Mic"),
61 SOC_DAPM_PIN_SWITCH("Spk"),
64 static const struct snd_soc_dapm_widget geminilake_widgets[] = {
65 SND_SOC_DAPM_HP("Headphone Jack", NULL),
66 SND_SOC_DAPM_MIC("Headset Mic", NULL),
67 SND_SOC_DAPM_SPK("Spk", NULL),
68 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
69 SND_SOC_DAPM_SPK("HDMI1", NULL),
70 SND_SOC_DAPM_SPK("HDMI2", NULL),
71 SND_SOC_DAPM_SPK("HDMI3", NULL),
74 static const struct snd_soc_dapm_route geminilake_map[] = {
75 /* HP jack connectors - unknown if we have jack detection */
76 { "Headphone Jack", NULL, "HPOL" },
77 { "Headphone Jack", NULL, "HPOR" },
80 { "Spk", NULL, "Speaker" },
83 { "IN1P", NULL, "Headset Mic" },
86 { "DMic", NULL, "SoC DMIC" },
88 /* CODEC BE connections */
89 { "HiFi Playback", NULL, "ssp1 Tx" },
90 { "ssp1 Tx", NULL, "codec0_out" },
92 { "AIF1 Playback", NULL, "ssp2 Tx" },
93 { "ssp2 Tx", NULL, "codec1_out" },
95 { "codec0_in", NULL, "ssp2 Rx" },
96 { "ssp2 Rx", NULL, "AIF1 Capture" },
98 { "HDMI1", NULL, "hif5-0 Output" },
99 { "HDMI2", NULL, "hif6-0 Output" },
100 { "HDMI2", NULL, "hif7-0 Output" },
102 { "hifi3", NULL, "iDisp3 Tx" },
103 { "iDisp3 Tx", NULL, "iDisp3_out" },
104 { "hifi2", NULL, "iDisp2 Tx" },
105 { "iDisp2 Tx", NULL, "iDisp2_out" },
106 { "hifi1", NULL, "iDisp1 Tx" },
107 { "iDisp1 Tx", NULL, "iDisp1_out" },
110 { "dmic01_hifi", NULL, "DMIC01 Rx" },
111 { "DMIC01 Rx", NULL, "DMIC AIF" },
114 static int geminilake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
115 struct snd_pcm_hw_params *params)
117 struct snd_interval *rate = hw_param_interval(params,
118 SNDRV_PCM_HW_PARAM_RATE);
119 struct snd_interval *channels = hw_param_interval(params,
120 SNDRV_PCM_HW_PARAM_CHANNELS);
121 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
123 /* The ADSP will convert the FE rate to 48k, stereo */
124 rate->min = rate->max = 48000;
125 channels->min = channels->max = DUAL_CHANNEL;
127 /* set SSP to 24 bit */
129 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
134 static int geminilake_rt5682_codec_init(struct snd_soc_pcm_runtime *rtd)
136 struct glk_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
137 struct snd_soc_component *component = rtd->codec_dai->component;
138 struct snd_soc_dai *codec_dai = rtd->codec_dai;
139 struct snd_soc_jack *jack;
142 ret = snd_soc_dai_set_pll(codec_dai, 0, RT5682_PLL1_S_MCLK,
143 GLK_PLAT_CLK_FREQ, RT5682_PLL_FREQ);
145 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
149 /* Configure sysclk for codec */
150 ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1,
151 RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
153 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
156 * Headset buttons map to the google Reference headset.
157 * These can be configured by userspace.
159 ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
160 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
161 SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT,
162 &ctx->geminilake_headset, NULL, 0);
164 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
168 jack = &ctx->geminilake_headset;
170 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
171 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
172 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
173 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
174 ret = snd_soc_component_set_jack(component, jack, NULL);
177 dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
184 static int geminilake_rt5682_hw_params(struct snd_pcm_substream *substream,
185 struct snd_pcm_hw_params *params)
187 struct snd_soc_pcm_runtime *rtd = substream->private_data;
188 struct snd_soc_dai *codec_dai = rtd->codec_dai;
191 /* Set valid bitmask & configuration for I2S in 24 bit */
192 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2, 24);
194 dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
201 static struct snd_soc_ops geminilake_rt5682_ops = {
202 .hw_params = geminilake_rt5682_hw_params,
205 static int geminilake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
207 struct glk_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
208 struct snd_soc_dai *dai = rtd->codec_dai;
209 struct glk_hdmi_pcm *pcm;
211 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
215 pcm->device = GLK_DPCM_AUDIO_HDMI1_PB + dai->id;
216 pcm->codec_dai = dai;
218 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
223 static int geminilake_rt5682_fe_init(struct snd_soc_pcm_runtime *rtd)
225 struct snd_soc_component *component = rtd->cpu_dai->component;
226 struct snd_soc_dapm_context *dapm;
229 dapm = snd_soc_component_get_dapm(component);
230 ret = snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
232 dev_err(rtd->dev, "Ref Cap ignore suspend failed %d\n", ret);
239 static const unsigned int rates[] = {
243 static const struct snd_pcm_hw_constraint_list constraints_rates = {
244 .count = ARRAY_SIZE(rates),
249 static const unsigned int channels[] = {
253 static const struct snd_pcm_hw_constraint_list constraints_channels = {
254 .count = ARRAY_SIZE(channels),
259 static unsigned int channels_quad[] = {
263 static struct snd_pcm_hw_constraint_list constraints_channels_quad = {
264 .count = ARRAY_SIZE(channels_quad),
265 .list = channels_quad,
269 static int geminilake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
270 struct snd_pcm_hw_params *params)
272 struct snd_interval *channels = hw_param_interval(params,
273 SNDRV_PCM_HW_PARAM_CHANNELS);
276 * set BE channel constraint as user FE channels
278 channels->min = channels->max = 4;
283 static int geminilake_dmic_startup(struct snd_pcm_substream *substream)
285 struct snd_pcm_runtime *runtime = substream->runtime;
287 runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL;
288 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
289 &constraints_channels_quad);
291 return snd_pcm_hw_constraint_list(substream->runtime, 0,
292 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
295 static const struct snd_soc_ops geminilake_dmic_ops = {
296 .startup = geminilake_dmic_startup,
299 static const unsigned int rates_16000[] = {
303 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
304 .count = ARRAY_SIZE(rates_16000),
308 static int geminilake_refcap_startup(struct snd_pcm_substream *substream)
310 return snd_pcm_hw_constraint_list(substream->runtime, 0,
311 SNDRV_PCM_HW_PARAM_RATE,
315 static const struct snd_soc_ops geminilake_refcap_ops = {
316 .startup = geminilake_refcap_startup,
319 /* geminilake digital audio interface glue - connects codec <--> CPU */
320 static struct snd_soc_dai_link geminilake_dais[] = {
321 /* Front End DAI links */
322 [GLK_DPCM_AUDIO_PB] = {
323 .name = "Glk Audio Port",
324 .stream_name = "Audio",
325 .cpu_dai_name = "System Pin",
326 .platform_name = "0000:00:0e.0",
328 .codec_name = "snd-soc-dummy",
329 .codec_dai_name = "snd-soc-dummy-dai",
331 .init = geminilake_rt5682_fe_init,
333 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
336 [GLK_DPCM_AUDIO_CP] = {
337 .name = "Glk Audio Capture Port",
338 .stream_name = "Audio Record",
339 .cpu_dai_name = "System Pin",
340 .platform_name = "0000:00:0e.0",
342 .codec_name = "snd-soc-dummy",
343 .codec_dai_name = "snd-soc-dummy-dai",
346 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
349 [GLK_DPCM_AUDIO_HS_PB] = {
350 .name = "Glk Audio Headset Playback",
351 .stream_name = "Headset Audio",
352 .cpu_dai_name = "System Pin2",
353 .platform_name = "0000:00:0e.0",
354 .codec_name = "snd-soc-dummy",
355 .codec_dai_name = "snd-soc-dummy-dai",
360 [GLK_DPCM_AUDIO_ECHO_REF_CP] = {
361 .name = "Glk Audio Echo Reference cap",
362 .stream_name = "Echoreference Capture",
363 .cpu_dai_name = "Echoref Pin",
364 .platform_name = "0000:00:0e.0",
365 .codec_name = "snd-soc-dummy",
366 .codec_dai_name = "snd-soc-dummy-dai",
371 [GLK_DPCM_AUDIO_REF_CP] = {
372 .name = "Glk Audio Reference cap",
373 .stream_name = "Refcap",
374 .cpu_dai_name = "Reference Pin",
375 .codec_name = "snd-soc-dummy",
376 .codec_dai_name = "snd-soc-dummy-dai",
377 .platform_name = "0000:00:0e.0",
382 .ops = &geminilake_refcap_ops,
384 [GLK_DPCM_AUDIO_DMIC_CP] = {
385 .name = "Glk Audio DMIC cap",
386 .stream_name = "dmiccap",
387 .cpu_dai_name = "DMIC Pin",
388 .codec_name = "snd-soc-dummy",
389 .codec_dai_name = "snd-soc-dummy-dai",
390 .platform_name = "0000:00:0e.0",
395 .ops = &geminilake_dmic_ops,
397 [GLK_DPCM_AUDIO_HDMI1_PB] = {
398 .name = "Glk HDMI Port1",
399 .stream_name = "Hdmi1",
400 .cpu_dai_name = "HDMI1 Pin",
401 .codec_name = "snd-soc-dummy",
402 .codec_dai_name = "snd-soc-dummy-dai",
403 .platform_name = "0000:00:0e.0",
407 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
411 [GLK_DPCM_AUDIO_HDMI2_PB] = {
412 .name = "Glk HDMI Port2",
413 .stream_name = "Hdmi2",
414 .cpu_dai_name = "HDMI2 Pin",
415 .codec_name = "snd-soc-dummy",
416 .codec_dai_name = "snd-soc-dummy-dai",
417 .platform_name = "0000:00:0e.0",
421 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
425 [GLK_DPCM_AUDIO_HDMI3_PB] = {
426 .name = "Glk HDMI Port3",
427 .stream_name = "Hdmi3",
428 .cpu_dai_name = "HDMI3 Pin",
429 .codec_name = "snd-soc-dummy",
430 .codec_dai_name = "snd-soc-dummy-dai",
431 .platform_name = "0000:00:0e.0",
433 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
439 /* Back End DAI links */
442 .name = "SSP1-Codec",
444 .cpu_dai_name = "SSP1 Pin",
445 .platform_name = "0000:00:0e.0",
447 .codec_name = MAXIM_DEV0_NAME,
448 .codec_dai_name = GLK_MAXIM_CODEC_DAI,
449 .dai_fmt = SND_SOC_DAIFMT_I2S |
450 SND_SOC_DAIFMT_NB_NF |
451 SND_SOC_DAIFMT_CBS_CFS,
452 .ignore_pmdown_time = 1,
453 .be_hw_params_fixup = geminilake_ssp_fixup,
458 .name = "SSP2-Codec",
460 .cpu_dai_name = "SSP2 Pin",
461 .platform_name = "0000:00:0e.0",
463 .codec_name = "i2c-10EC5682:00",
464 .codec_dai_name = GLK_REALTEK_CODEC_DAI,
465 .init = geminilake_rt5682_codec_init,
466 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
467 SND_SOC_DAIFMT_CBS_CFS,
468 .ignore_pmdown_time = 1,
469 .be_hw_params_fixup = geminilake_ssp_fixup,
470 .ops = &geminilake_rt5682_ops,
477 .cpu_dai_name = "DMIC01 Pin",
478 .codec_name = "dmic-codec",
479 .codec_dai_name = "dmic-hifi",
480 .platform_name = "0000:00:0e.0",
482 .be_hw_params_fixup = geminilake_dmic_fixup,
489 .cpu_dai_name = "iDisp1 Pin",
490 .codec_name = "ehdaudio0D2",
491 .codec_dai_name = "intel-hdmi-hifi1",
492 .platform_name = "0000:00:0e.0",
493 .init = geminilake_hdmi_init,
500 .cpu_dai_name = "iDisp2 Pin",
501 .codec_name = "ehdaudio0D2",
502 .codec_dai_name = "intel-hdmi-hifi2",
503 .platform_name = "0000:00:0e.0",
504 .init = geminilake_hdmi_init,
511 .cpu_dai_name = "iDisp3 Pin",
512 .codec_name = "ehdaudio0D2",
513 .codec_dai_name = "intel-hdmi-hifi3",
514 .platform_name = "0000:00:0e.0",
515 .init = geminilake_hdmi_init,
521 static int glk_card_late_probe(struct snd_soc_card *card)
523 struct glk_card_private *ctx = snd_soc_card_get_drvdata(card);
524 struct snd_soc_component *component = NULL;
525 char jack_name[NAME_SIZE];
526 struct glk_hdmi_pcm *pcm;
530 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
531 component = pcm->codec_dai->component;
532 snprintf(jack_name, sizeof(jack_name),
533 "HDMI/DP, pcm=%d Jack", pcm->device);
534 err = snd_soc_card_jack_new(card, jack_name,
535 SND_JACK_AVOUT, &geminilake_hdmi[i],
541 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
542 &geminilake_hdmi[i]);
552 return hdac_hdmi_jack_port_init(component, &card->dapm);
555 /* geminilake audio machine driver for SPT + RT5682 */
556 static struct snd_soc_card glk_audio_card_rt5682_m98357a = {
557 .name = "glkrt5682max",
558 .owner = THIS_MODULE,
559 .dai_link = geminilake_dais,
560 .num_links = ARRAY_SIZE(geminilake_dais),
561 .controls = geminilake_controls,
562 .num_controls = ARRAY_SIZE(geminilake_controls),
563 .dapm_widgets = geminilake_widgets,
564 .num_dapm_widgets = ARRAY_SIZE(geminilake_widgets),
565 .dapm_routes = geminilake_map,
566 .num_dapm_routes = ARRAY_SIZE(geminilake_map),
567 .fully_routed = true,
568 .late_probe = glk_card_late_probe,
571 static int geminilake_audio_probe(struct platform_device *pdev)
573 struct glk_card_private *ctx;
575 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
579 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
581 glk_audio_card_rt5682_m98357a.dev = &pdev->dev;
582 snd_soc_card_set_drvdata(&glk_audio_card_rt5682_m98357a, ctx);
584 return devm_snd_soc_register_card(&pdev->dev,
585 &glk_audio_card_rt5682_m98357a);
588 static const struct platform_device_id glk_board_ids[] = {
590 .name = "glk_rt5682_max98357a",
592 (kernel_ulong_t)&glk_audio_card_rt5682_m98357a,
597 static struct platform_driver geminilake_audio = {
598 .probe = geminilake_audio_probe,
600 .name = "glk_rt5682_max98357a",
601 .pm = &snd_soc_pm_ops,
603 .id_table = glk_board_ids,
605 module_platform_driver(geminilake_audio)
607 /* Module information */
608 MODULE_DESCRIPTION("Geminilake Audio Machine driver-RT5682 & MAX98357A in I2S mode");
609 MODULE_AUTHOR("Naveen Manohar <naveen.m@intel.com>");
610 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
611 MODULE_LICENSE("GPL v2");
612 MODULE_ALIAS("platform:glk_rt5682_max98357a");