2 * Intel Broxton-P I2S Machine Driver
4 * Copyright (C) 2016, Intel Corporation. All rights reserved.
7 * Intel Skylake I2S Machine driver
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License version
11 * 2 as published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
19 #include <linux/module.h>
20 #include <linux/platform_device.h>
21 #include <sound/core.h>
22 #include <sound/jack.h>
23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
26 #include "../../codecs/hdac_hdmi.h"
27 #include "../../codecs/da7219.h"
28 #include "../../codecs/da7219-aad.h"
30 #define BXT_DIALOG_CODEC_DAI "da7219-hifi"
31 #define BXT_MAXIM_CODEC_DAI "HiFi"
32 #define DUAL_CHANNEL 2
33 #define QUAD_CHANNEL 4
35 static struct snd_soc_jack broxton_headset
;
36 static struct snd_soc_jack broxton_hdmi
[3];
39 struct list_head head
;
40 struct snd_soc_dai
*codec_dai
;
44 struct bxt_card_private
{
45 struct list_head hdmi_pcm_list
;
49 BXT_DPCM_AUDIO_PB
= 0,
51 BXT_DPCM_AUDIO_REF_CP
,
52 BXT_DPCM_AUDIO_DMIC_CP
,
53 BXT_DPCM_AUDIO_HDMI1_PB
,
54 BXT_DPCM_AUDIO_HDMI2_PB
,
55 BXT_DPCM_AUDIO_HDMI3_PB
,
58 static inline struct snd_soc_dai
*bxt_get_codec_dai(struct snd_soc_card
*card
)
60 struct snd_soc_pcm_runtime
*rtd
;
62 list_for_each_entry(rtd
, &card
->rtd_list
, list
) {
64 if (!strncmp(rtd
->codec_dai
->name
, BXT_DIALOG_CODEC_DAI
,
65 strlen(BXT_DIALOG_CODEC_DAI
)))
66 return rtd
->codec_dai
;
72 static int platform_clock_control(struct snd_soc_dapm_widget
*w
,
73 struct snd_kcontrol
*k
, int event
)
76 struct snd_soc_dapm_context
*dapm
= w
->dapm
;
77 struct snd_soc_card
*card
= dapm
->card
;
78 struct snd_soc_dai
*codec_dai
;
80 codec_dai
= bxt_get_codec_dai(card
);
82 dev_err(card
->dev
, "Codec dai not found; Unable to set/unset codec pll\n");
86 if (SND_SOC_DAPM_EVENT_OFF(event
)) {
87 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
88 DA7219_SYSCLK_MCLK
, 0, 0);
90 dev_err(card
->dev
, "failed to stop PLL: %d\n", ret
);
91 } else if(SND_SOC_DAPM_EVENT_ON(event
)) {
92 ret
= snd_soc_dai_set_sysclk(codec_dai
,
93 DA7219_CLKSRC_MCLK
, 19200000, SND_SOC_CLOCK_IN
);
95 dev_err(card
->dev
, "can't set codec sysclk configuration\n");
97 ret
= snd_soc_dai_set_pll(codec_dai
, 0,
98 DA7219_SYSCLK_PLL_SRM
, 0, DA7219_PLL_FREQ_OUT_98304
);
100 dev_err(card
->dev
, "failed to start PLL: %d\n", ret
);
106 static const struct snd_kcontrol_new broxton_controls
[] = {
107 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
108 SOC_DAPM_PIN_SWITCH("Headset Mic"),
109 SOC_DAPM_PIN_SWITCH("Spk"),
112 static const struct snd_soc_dapm_widget broxton_widgets
[] = {
113 SND_SOC_DAPM_HP("Headphone Jack", NULL
),
114 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
115 SND_SOC_DAPM_SPK("Spk", NULL
),
116 SND_SOC_DAPM_MIC("SoC DMIC", NULL
),
117 SND_SOC_DAPM_SPK("HDMI1", NULL
),
118 SND_SOC_DAPM_SPK("HDMI2", NULL
),
119 SND_SOC_DAPM_SPK("HDMI3", NULL
),
120 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM
, 0, 0,
121 platform_clock_control
, SND_SOC_DAPM_POST_PMD
|SND_SOC_DAPM_PRE_PMU
),
124 static const struct snd_soc_dapm_route broxton_map
[] = {
125 /* HP jack connectors - unknown if we have jack detection */
126 {"Headphone Jack", NULL
, "HPL"},
127 {"Headphone Jack", NULL
, "HPR"},
130 {"Spk", NULL
, "Speaker"},
133 {"MIC", NULL
, "Headset Mic"},
136 {"DMic", NULL
, "SoC DMIC"},
138 /* CODEC BE connections */
139 {"HiFi Playback", NULL
, "ssp5 Tx"},
140 {"ssp5 Tx", NULL
, "codec0_out"},
142 {"Playback", NULL
, "ssp1 Tx"},
143 {"ssp1 Tx", NULL
, "codec1_out"},
145 {"codec0_in", NULL
, "ssp1 Rx"},
146 {"ssp1 Rx", NULL
, "Capture"},
148 {"HDMI1", NULL
, "hif5-0 Output"},
149 {"HDMI2", NULL
, "hif6-0 Output"},
150 {"HDMI2", NULL
, "hif7-0 Output"},
152 {"hifi3", NULL
, "iDisp3 Tx"},
153 {"iDisp3 Tx", NULL
, "iDisp3_out"},
154 {"hifi2", NULL
, "iDisp2 Tx"},
155 {"iDisp2 Tx", NULL
, "iDisp2_out"},
156 {"hifi1", NULL
, "iDisp1 Tx"},
157 {"iDisp1 Tx", NULL
, "iDisp1_out"},
160 {"dmic01_hifi", NULL
, "DMIC01 Rx"},
161 {"DMIC01 Rx", NULL
, "DMIC AIF"},
163 { "Headphone Jack", NULL
, "Platform Clock" },
164 { "Headset Mic", NULL
, "Platform Clock" },
167 static int broxton_ssp_fixup(struct snd_soc_pcm_runtime
*rtd
,
168 struct snd_pcm_hw_params
*params
)
170 struct snd_interval
*rate
= hw_param_interval(params
,
171 SNDRV_PCM_HW_PARAM_RATE
);
172 struct snd_interval
*channels
= hw_param_interval(params
,
173 SNDRV_PCM_HW_PARAM_CHANNELS
);
174 struct snd_mask
*fmt
= hw_param_mask(params
, SNDRV_PCM_HW_PARAM_FORMAT
);
176 /* The ADSP will convert the FE rate to 48k, stereo */
177 rate
->min
= rate
->max
= 48000;
178 channels
->min
= channels
->max
= DUAL_CHANNEL
;
180 /* set SSP to 24 bit */
182 snd_mask_set(fmt
, SNDRV_PCM_FORMAT_S24_LE
);
187 static int broxton_da7219_codec_init(struct snd_soc_pcm_runtime
*rtd
)
190 struct snd_soc_codec
*codec
= rtd
->codec
;
193 * Headset buttons map to the google Reference headset.
194 * These can be configured by userspace.
196 ret
= snd_soc_card_jack_new(rtd
->card
, "Headset Jack",
197 SND_JACK_HEADSET
| SND_JACK_BTN_0
| SND_JACK_BTN_1
|
198 SND_JACK_BTN_2
| SND_JACK_BTN_3
| SND_JACK_LINEOUT
,
199 &broxton_headset
, NULL
, 0);
201 dev_err(rtd
->dev
, "Headset Jack creation failed: %d\n", ret
);
205 da7219_aad_jack_det(codec
, &broxton_headset
);
207 snd_soc_dapm_ignore_suspend(&rtd
->card
->dapm
, "SoC DMIC");
212 static int broxton_hdmi_init(struct snd_soc_pcm_runtime
*rtd
)
214 struct bxt_card_private
*ctx
= snd_soc_card_get_drvdata(rtd
->card
);
215 struct snd_soc_dai
*dai
= rtd
->codec_dai
;
216 struct bxt_hdmi_pcm
*pcm
;
218 pcm
= devm_kzalloc(rtd
->card
->dev
, sizeof(*pcm
), GFP_KERNEL
);
222 pcm
->device
= BXT_DPCM_AUDIO_HDMI1_PB
+ dai
->id
;
223 pcm
->codec_dai
= dai
;
225 list_add_tail(&pcm
->head
, &ctx
->hdmi_pcm_list
);
230 static int broxton_da7219_fe_init(struct snd_soc_pcm_runtime
*rtd
)
232 struct snd_soc_dapm_context
*dapm
;
233 struct snd_soc_component
*component
= rtd
->cpu_dai
->component
;
235 dapm
= snd_soc_component_get_dapm(component
);
236 snd_soc_dapm_ignore_suspend(dapm
, "Reference Capture");
241 static unsigned int rates
[] = {
245 static struct snd_pcm_hw_constraint_list constraints_rates
= {
246 .count
= ARRAY_SIZE(rates
),
251 static unsigned int channels
[] = {
255 static struct snd_pcm_hw_constraint_list constraints_channels
= {
256 .count
= ARRAY_SIZE(channels
),
261 static unsigned int channels_quad
[] = {
265 static struct snd_pcm_hw_constraint_list constraints_channels_quad
= {
266 .count
= ARRAY_SIZE(channels_quad
),
267 .list
= channels_quad
,
271 static int bxt_fe_startup(struct snd_pcm_substream
*substream
)
273 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
276 * On this platform for PCM device we support,
282 runtime
->hw
.channels_max
= DUAL_CHANNEL
;
283 snd_pcm_hw_constraint_list(runtime
, 0, SNDRV_PCM_HW_PARAM_CHANNELS
,
284 &constraints_channels
);
286 runtime
->hw
.formats
= SNDRV_PCM_FMTBIT_S16_LE
;
287 snd_pcm_hw_constraint_msbits(runtime
, 0, 16, 16);
289 snd_pcm_hw_constraint_list(runtime
, 0,
290 SNDRV_PCM_HW_PARAM_RATE
, &constraints_rates
);
295 static const struct snd_soc_ops broxton_da7219_fe_ops
= {
296 .startup
= bxt_fe_startup
,
299 static int broxton_dmic_fixup(struct snd_soc_pcm_runtime
*rtd
,
300 struct snd_pcm_hw_params
*params
)
302 struct snd_interval
*channels
= hw_param_interval(params
,
303 SNDRV_PCM_HW_PARAM_CHANNELS
);
304 if (params_channels(params
) == 2)
305 channels
->min
= channels
->max
= 2;
307 channels
->min
= channels
->max
= 4;
312 static int broxton_dmic_startup(struct snd_pcm_substream
*substream
)
314 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
316 runtime
->hw
.channels_min
= runtime
->hw
.channels_max
= QUAD_CHANNEL
;
317 snd_pcm_hw_constraint_list(runtime
, 0, SNDRV_PCM_HW_PARAM_CHANNELS
,
318 &constraints_channels_quad
);
320 return snd_pcm_hw_constraint_list(substream
->runtime
, 0,
321 SNDRV_PCM_HW_PARAM_RATE
, &constraints_rates
);
324 static const struct snd_soc_ops broxton_dmic_ops
= {
325 .startup
= broxton_dmic_startup
,
328 static const unsigned int rates_16000
[] = {
332 static const struct snd_pcm_hw_constraint_list constraints_16000
= {
333 .count
= ARRAY_SIZE(rates_16000
),
337 static int broxton_refcap_startup(struct snd_pcm_substream
*substream
)
339 return snd_pcm_hw_constraint_list(substream
->runtime
, 0,
340 SNDRV_PCM_HW_PARAM_RATE
,
344 static const struct snd_soc_ops broxton_refcap_ops
= {
345 .startup
= broxton_refcap_startup
,
348 /* broxton digital audio interface glue - connects codec <--> CPU */
349 static struct snd_soc_dai_link broxton_dais
[] = {
350 /* Front End DAI links */
351 [BXT_DPCM_AUDIO_PB
] =
353 .name
= "Bxt Audio Port",
354 .stream_name
= "Audio",
355 .cpu_dai_name
= "System Pin",
356 .platform_name
= "0000:00:0e.0",
358 .codec_name
= "snd-soc-dummy",
359 .codec_dai_name
= "snd-soc-dummy-dai",
361 .init
= broxton_da7219_fe_init
,
363 SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
365 .ops
= &broxton_da7219_fe_ops
,
367 [BXT_DPCM_AUDIO_CP
] =
369 .name
= "Bxt Audio Capture Port",
370 .stream_name
= "Audio Record",
371 .cpu_dai_name
= "System Pin",
372 .platform_name
= "0000:00:0e.0",
374 .codec_name
= "snd-soc-dummy",
375 .codec_dai_name
= "snd-soc-dummy-dai",
378 SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
380 .ops
= &broxton_da7219_fe_ops
,
382 [BXT_DPCM_AUDIO_REF_CP
] =
384 .name
= "Bxt Audio Reference cap",
385 .stream_name
= "Refcap",
386 .cpu_dai_name
= "Reference Pin",
387 .codec_name
= "snd-soc-dummy",
388 .codec_dai_name
= "snd-soc-dummy-dai",
389 .platform_name
= "0000:00:0e.0",
394 .ops
= &broxton_refcap_ops
,
396 [BXT_DPCM_AUDIO_DMIC_CP
] =
398 .name
= "Bxt Audio DMIC cap",
399 .stream_name
= "dmiccap",
400 .cpu_dai_name
= "DMIC Pin",
401 .codec_name
= "snd-soc-dummy",
402 .codec_dai_name
= "snd-soc-dummy-dai",
403 .platform_name
= "0000:00:0e.0",
408 .ops
= &broxton_dmic_ops
,
410 [BXT_DPCM_AUDIO_HDMI1_PB
] =
412 .name
= "Bxt HDMI Port1",
413 .stream_name
= "Hdmi1",
414 .cpu_dai_name
= "HDMI1 Pin",
415 .codec_name
= "snd-soc-dummy",
416 .codec_dai_name
= "snd-soc-dummy-dai",
417 .platform_name
= "0000:00:0e.0",
423 [BXT_DPCM_AUDIO_HDMI2_PB
] =
425 .name
= "Bxt HDMI Port2",
426 .stream_name
= "Hdmi2",
427 .cpu_dai_name
= "HDMI2 Pin",
428 .codec_name
= "snd-soc-dummy",
429 .codec_dai_name
= "snd-soc-dummy-dai",
430 .platform_name
= "0000:00:0e.0",
436 [BXT_DPCM_AUDIO_HDMI3_PB
] =
438 .name
= "Bxt HDMI Port3",
439 .stream_name
= "Hdmi3",
440 .cpu_dai_name
= "HDMI3 Pin",
441 .codec_name
= "snd-soc-dummy",
442 .codec_dai_name
= "snd-soc-dummy-dai",
443 .platform_name
= "0000:00:0e.0",
449 /* Back End DAI links */
452 .name
= "SSP5-Codec",
454 .cpu_dai_name
= "SSP5 Pin",
455 .platform_name
= "0000:00:0e.0",
457 .codec_name
= "MX98357A:00",
458 .codec_dai_name
= BXT_MAXIM_CODEC_DAI
,
459 .dai_fmt
= SND_SOC_DAIFMT_I2S
|
460 SND_SOC_DAIFMT_NB_NF
|
461 SND_SOC_DAIFMT_CBS_CFS
,
462 .ignore_pmdown_time
= 1,
463 .be_hw_params_fixup
= broxton_ssp_fixup
,
468 .name
= "SSP1-Codec",
470 .cpu_dai_name
= "SSP1 Pin",
471 .platform_name
= "0000:00:0e.0",
473 .codec_name
= "i2c-DLGS7219:00",
474 .codec_dai_name
= BXT_DIALOG_CODEC_DAI
,
475 .init
= broxton_da7219_codec_init
,
476 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
|
477 SND_SOC_DAIFMT_CBS_CFS
,
478 .ignore_pmdown_time
= 1,
479 .be_hw_params_fixup
= broxton_ssp_fixup
,
486 .cpu_dai_name
= "DMIC01 Pin",
487 .codec_name
= "dmic-codec",
488 .codec_dai_name
= "dmic-hifi",
489 .platform_name
= "0000:00:0e.0",
491 .be_hw_params_fixup
= broxton_dmic_fixup
,
498 .cpu_dai_name
= "iDisp1 Pin",
499 .codec_name
= "ehdaudio0D2",
500 .codec_dai_name
= "intel-hdmi-hifi1",
501 .platform_name
= "0000:00:0e.0",
502 .init
= broxton_hdmi_init
,
509 .cpu_dai_name
= "iDisp2 Pin",
510 .codec_name
= "ehdaudio0D2",
511 .codec_dai_name
= "intel-hdmi-hifi2",
512 .platform_name
= "0000:00:0e.0",
513 .init
= broxton_hdmi_init
,
520 .cpu_dai_name
= "iDisp3 Pin",
521 .codec_name
= "ehdaudio0D2",
522 .codec_dai_name
= "intel-hdmi-hifi3",
523 .platform_name
= "0000:00:0e.0",
524 .init
= broxton_hdmi_init
,
531 static int bxt_card_late_probe(struct snd_soc_card
*card
)
533 struct bxt_card_private
*ctx
= snd_soc_card_get_drvdata(card
);
534 struct bxt_hdmi_pcm
*pcm
;
535 struct snd_soc_codec
*codec
= NULL
;
537 char jack_name
[NAME_SIZE
];
539 list_for_each_entry(pcm
, &ctx
->hdmi_pcm_list
, head
) {
540 codec
= pcm
->codec_dai
->codec
;
541 snprintf(jack_name
, sizeof(jack_name
),
542 "HDMI/DP, pcm=%d Jack", pcm
->device
);
543 err
= snd_soc_card_jack_new(card
, jack_name
,
544 SND_JACK_AVOUT
, &broxton_hdmi
[i
],
550 err
= hdac_hdmi_jack_init(pcm
->codec_dai
, pcm
->device
,
561 return hdac_hdmi_jack_port_init(codec
, &card
->dapm
);
564 /* broxton audio machine driver for SPT + da7219 */
565 static struct snd_soc_card broxton_audio_card
= {
566 .name
= "bxtda7219max",
567 .owner
= THIS_MODULE
,
568 .dai_link
= broxton_dais
,
569 .num_links
= ARRAY_SIZE(broxton_dais
),
570 .controls
= broxton_controls
,
571 .num_controls
= ARRAY_SIZE(broxton_controls
),
572 .dapm_widgets
= broxton_widgets
,
573 .num_dapm_widgets
= ARRAY_SIZE(broxton_widgets
),
574 .dapm_routes
= broxton_map
,
575 .num_dapm_routes
= ARRAY_SIZE(broxton_map
),
576 .fully_routed
= true,
577 .late_probe
= bxt_card_late_probe
,
580 static int broxton_audio_probe(struct platform_device
*pdev
)
582 struct bxt_card_private
*ctx
;
584 ctx
= devm_kzalloc(&pdev
->dev
, sizeof(*ctx
), GFP_ATOMIC
);
588 INIT_LIST_HEAD(&ctx
->hdmi_pcm_list
);
590 broxton_audio_card
.dev
= &pdev
->dev
;
591 snd_soc_card_set_drvdata(&broxton_audio_card
, ctx
);
593 return devm_snd_soc_register_card(&pdev
->dev
, &broxton_audio_card
);
596 static struct platform_driver broxton_audio
= {
597 .probe
= broxton_audio_probe
,
599 .name
= "bxt_da7219_max98357a_i2s",
600 .pm
= &snd_soc_pm_ops
,
603 module_platform_driver(broxton_audio
)
605 /* Module information */
606 MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode");
607 MODULE_AUTHOR("Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>");
608 MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com>");
609 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
610 MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>");
611 MODULE_LICENSE("GPL v2");
612 MODULE_ALIAS("platform:bxt_da7219_max98357a_i2s");