2 * Intel Skylake I2S Machine Driver for NAU88L25+SSM4567
4 * Copyright (C) 2015, Intel Corporation. All rights reserved.
7 * Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567
9 * Copyright (C) 2015, Intel Corporation. All rights reserved.
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License version
13 * 2 as published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
21 #include <linux/module.h>
22 #include <linux/platform_device.h>
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/soc.h>
26 #include <sound/jack.h>
27 #include <sound/pcm_params.h>
28 #include "../../codecs/nau8825.h"
29 #include "../../codecs/hdac_hdmi.h"
31 #define SKL_NUVOTON_CODEC_DAI "nau8825-hifi"
32 #define SKL_SSM_CODEC_DAI "ssm4567-hifi"
34 static struct snd_soc_jack skylake_headset
;
35 static struct snd_soc_card skylake_audio_card
;
38 struct list_head head
;
39 struct snd_soc_dai
*codec_dai
;
43 struct skl_nau88125_private
{
44 struct list_head hdmi_pcm_list
;
47 SKL_DPCM_AUDIO_PB
= 0,
49 SKL_DPCM_AUDIO_REF_CP
,
50 SKL_DPCM_AUDIO_DMIC_CP
,
51 SKL_DPCM_AUDIO_HDMI1_PB
,
52 SKL_DPCM_AUDIO_HDMI2_PB
,
53 SKL_DPCM_AUDIO_HDMI3_PB
,
56 static inline struct snd_soc_dai
*skl_get_codec_dai(struct snd_soc_card
*card
)
58 struct snd_soc_pcm_runtime
*rtd
;
60 list_for_each_entry(rtd
, &card
->rtd_list
, list
) {
62 if (!strncmp(rtd
->codec_dai
->name
, SKL_NUVOTON_CODEC_DAI
,
63 strlen(SKL_NUVOTON_CODEC_DAI
)))
64 return rtd
->codec_dai
;
70 static const struct snd_kcontrol_new skylake_controls
[] = {
71 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
72 SOC_DAPM_PIN_SWITCH("Headset Mic"),
73 SOC_DAPM_PIN_SWITCH("Left Speaker"),
74 SOC_DAPM_PIN_SWITCH("Right Speaker"),
77 static int platform_clock_control(struct snd_soc_dapm_widget
*w
,
78 struct snd_kcontrol
*k
, int event
)
80 struct snd_soc_dapm_context
*dapm
= w
->dapm
;
81 struct snd_soc_card
*card
= dapm
->card
;
82 struct snd_soc_dai
*codec_dai
;
85 codec_dai
= skl_get_codec_dai(card
);
87 dev_err(card
->dev
, "Codec dai not found\n");
91 if (SND_SOC_DAPM_EVENT_ON(event
)) {
92 ret
= snd_soc_dai_set_sysclk(codec_dai
,
93 NAU8825_CLK_MCLK
, 24000000, SND_SOC_CLOCK_IN
);
95 dev_err(card
->dev
, "set sysclk err = %d\n", ret
);
99 ret
= snd_soc_dai_set_sysclk(codec_dai
,
100 NAU8825_CLK_INTERNAL
, 0, SND_SOC_CLOCK_IN
);
102 dev_err(card
->dev
, "set sysclk err = %d\n", ret
);
109 static const struct snd_soc_dapm_widget skylake_widgets
[] = {
110 SND_SOC_DAPM_HP("Headphone Jack", NULL
),
111 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
112 SND_SOC_DAPM_SPK("Left Speaker", NULL
),
113 SND_SOC_DAPM_SPK("Right Speaker", NULL
),
114 SND_SOC_DAPM_MIC("SoC DMIC", NULL
),
115 SND_SOC_DAPM_SPK("DP", NULL
),
116 SND_SOC_DAPM_SPK("HDMI", NULL
),
117 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM
, 0, 0,
118 platform_clock_control
, SND_SOC_DAPM_PRE_PMU
|
119 SND_SOC_DAPM_POST_PMD
),
122 static const struct snd_soc_dapm_route skylake_map
[] = {
123 /* HP jack connectors - unknown if we have jack detection */
124 {"Headphone Jack", NULL
, "HPOL"},
125 {"Headphone Jack", NULL
, "HPOR"},
128 {"Left Speaker", NULL
, "Left OUT"},
129 {"Right Speaker", NULL
, "Right OUT"},
132 {"MIC", NULL
, "Headset Mic"},
133 {"DMic", NULL
, "SoC DMIC"},
135 {"HDMI", NULL
, "hif5 Output"},
136 {"DP", NULL
, "hif6 Output"},
137 /* CODEC BE connections */
138 { "Left Playback", NULL
, "ssp0 Tx"},
139 { "Right Playback", NULL
, "ssp0 Tx"},
140 { "ssp0 Tx", NULL
, "codec0_out"},
142 /* IV feedback path */
143 { "codec0_lp_in", NULL
, "ssp0 Rx"},
144 { "ssp0 Rx", NULL
, "Left Capture Sense" },
145 { "ssp0 Rx", NULL
, "Right Capture Sense" },
147 { "Playback", NULL
, "ssp1 Tx"},
148 { "ssp1 Tx", NULL
, "codec1_out"},
150 { "codec0_in", NULL
, "ssp1 Rx" },
151 { "ssp1 Rx", NULL
, "Capture" },
154 { "dmic01_hifi", NULL
, "DMIC01 Rx" },
155 { "DMIC01 Rx", NULL
, "DMIC AIF" },
157 { "hifi3", NULL
, "iDisp3 Tx"},
158 { "iDisp3 Tx", NULL
, "iDisp3_out"},
159 { "hifi2", NULL
, "iDisp2 Tx"},
160 { "iDisp2 Tx", NULL
, "iDisp2_out"},
161 { "hifi1", NULL
, "iDisp1 Tx"},
162 { "iDisp1 Tx", NULL
, "iDisp1_out"},
164 { "Headphone Jack", NULL
, "Platform Clock" },
165 { "Headset Mic", NULL
, "Platform Clock" },
168 static struct snd_soc_codec_conf ssm4567_codec_conf
[] = {
170 .dev_name
= "i2c-INT343B:00",
171 .name_prefix
= "Left",
174 .dev_name
= "i2c-INT343B:01",
175 .name_prefix
= "Right",
179 static struct snd_soc_dai_link_component ssm4567_codec_components
[] = {
181 .name
= "i2c-INT343B:00",
182 .dai_name
= SKL_SSM_CODEC_DAI
,
185 .name
= "i2c-INT343B:01",
186 .dai_name
= SKL_SSM_CODEC_DAI
,
190 static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime
*rtd
)
194 /* Slot 1 for left */
195 ret
= snd_soc_dai_set_tdm_slot(rtd
->codec_dais
[0], 0x01, 0x01, 2, 48);
199 /* Slot 2 for right */
200 ret
= snd_soc_dai_set_tdm_slot(rtd
->codec_dais
[1], 0x02, 0x02, 2, 48);
207 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime
*rtd
)
210 struct snd_soc_codec
*codec
= rtd
->codec
;
213 * 4 buttons here map to the google Reference headset
214 * The use of these buttons can be decided by the user space.
216 ret
= snd_soc_card_jack_new(&skylake_audio_card
, "Headset Jack",
217 SND_JACK_HEADSET
| SND_JACK_BTN_0
| SND_JACK_BTN_1
|
218 SND_JACK_BTN_2
| SND_JACK_BTN_3
, &skylake_headset
,
221 dev_err(rtd
->dev
, "Headset Jack creation failed %d\n", ret
);
225 nau8825_enable_jack_detect(codec
, &skylake_headset
);
227 snd_soc_dapm_ignore_suspend(&rtd
->card
->dapm
, "SoC DMIC");
232 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime
*rtd
)
234 struct skl_nau88125_private
*ctx
= snd_soc_card_get_drvdata(rtd
->card
);
235 struct snd_soc_dai
*dai
= rtd
->codec_dai
;
236 struct skl_hdmi_pcm
*pcm
;
238 pcm
= devm_kzalloc(rtd
->card
->dev
, sizeof(*pcm
), GFP_KERNEL
);
242 pcm
->device
= SKL_DPCM_AUDIO_HDMI1_PB
;
243 pcm
->codec_dai
= dai
;
245 list_add_tail(&pcm
->head
, &ctx
->hdmi_pcm_list
);
250 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime
*rtd
)
252 struct skl_nau88125_private
*ctx
= snd_soc_card_get_drvdata(rtd
->card
);
253 struct snd_soc_dai
*dai
= rtd
->codec_dai
;
254 struct skl_hdmi_pcm
*pcm
;
256 pcm
= devm_kzalloc(rtd
->card
->dev
, sizeof(*pcm
), GFP_KERNEL
);
260 pcm
->device
= SKL_DPCM_AUDIO_HDMI2_PB
;
261 pcm
->codec_dai
= dai
;
263 list_add_tail(&pcm
->head
, &ctx
->hdmi_pcm_list
);
269 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime
*rtd
)
271 struct skl_nau88125_private
*ctx
= snd_soc_card_get_drvdata(rtd
->card
);
272 struct snd_soc_dai
*dai
= rtd
->codec_dai
;
273 struct skl_hdmi_pcm
*pcm
;
275 pcm
= devm_kzalloc(rtd
->card
->dev
, sizeof(*pcm
), GFP_KERNEL
);
279 pcm
->device
= SKL_DPCM_AUDIO_HDMI3_PB
;
280 pcm
->codec_dai
= dai
;
282 list_add_tail(&pcm
->head
, &ctx
->hdmi_pcm_list
);
287 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime
*rtd
)
289 struct snd_soc_dapm_context
*dapm
;
290 struct snd_soc_component
*component
= rtd
->cpu_dai
->component
;
292 dapm
= snd_soc_component_get_dapm(component
);
293 snd_soc_dapm_ignore_suspend(dapm
, "Reference Capture");
298 static unsigned int rates
[] = {
302 static struct snd_pcm_hw_constraint_list constraints_rates
= {
303 .count
= ARRAY_SIZE(rates
),
308 static unsigned int channels
[] = {
312 static struct snd_pcm_hw_constraint_list constraints_channels
= {
313 .count
= ARRAY_SIZE(channels
),
318 static int skl_fe_startup(struct snd_pcm_substream
*substream
)
320 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
323 * on this platform for PCM device we support,
329 runtime
->hw
.channels_max
= 2;
330 snd_pcm_hw_constraint_list(runtime
, 0, SNDRV_PCM_HW_PARAM_CHANNELS
,
331 &constraints_channels
);
333 runtime
->hw
.formats
= SNDRV_PCM_FMTBIT_S16_LE
;
334 snd_pcm_hw_constraint_msbits(runtime
, 0, 16, 16);
336 snd_pcm_hw_constraint_list(runtime
, 0,
337 SNDRV_PCM_HW_PARAM_RATE
, &constraints_rates
);
342 static const struct snd_soc_ops skylake_nau8825_fe_ops
= {
343 .startup
= skl_fe_startup
,
346 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime
*rtd
,
347 struct snd_pcm_hw_params
*params
)
349 struct snd_interval
*rate
= hw_param_interval(params
,
350 SNDRV_PCM_HW_PARAM_RATE
);
351 struct snd_interval
*channels
= hw_param_interval(params
,
352 SNDRV_PCM_HW_PARAM_CHANNELS
);
353 struct snd_mask
*fmt
= hw_param_mask(params
, SNDRV_PCM_HW_PARAM_FORMAT
);
355 /* The ADSP will covert the FE rate to 48k, stereo */
356 rate
->min
= rate
->max
= 48000;
357 channels
->min
= channels
->max
= 2;
359 /* set SSP0 to 24 bit */
361 snd_mask_set(fmt
, SNDRV_PCM_FORMAT_S24_LE
);
365 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime
*rtd
,
366 struct snd_pcm_hw_params
*params
)
368 struct snd_interval
*channels
= hw_param_interval(params
,
369 SNDRV_PCM_HW_PARAM_CHANNELS
);
370 if (params_channels(params
) == 2)
371 channels
->min
= channels
->max
= 2;
373 channels
->min
= channels
->max
= 4;
378 static int skylake_nau8825_hw_params(struct snd_pcm_substream
*substream
,
379 struct snd_pcm_hw_params
*params
)
381 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
382 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
385 ret
= snd_soc_dai_set_sysclk(codec_dai
,
386 NAU8825_CLK_MCLK
, 24000000, SND_SOC_CLOCK_IN
);
389 dev_err(rtd
->dev
, "snd_soc_dai_set_sysclk err = %d\n", ret
);
394 static struct snd_soc_ops skylake_nau8825_ops
= {
395 .hw_params
= skylake_nau8825_hw_params
,
398 static unsigned int channels_dmic
[] = {
402 static struct snd_pcm_hw_constraint_list constraints_dmic_channels
= {
403 .count
= ARRAY_SIZE(channels_dmic
),
404 .list
= channels_dmic
,
408 static int skylake_dmic_startup(struct snd_pcm_substream
*substream
)
410 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
412 runtime
->hw
.channels_max
= 4;
413 snd_pcm_hw_constraint_list(runtime
, 0, SNDRV_PCM_HW_PARAM_CHANNELS
,
414 &constraints_dmic_channels
);
416 return snd_pcm_hw_constraint_list(substream
->runtime
, 0,
417 SNDRV_PCM_HW_PARAM_RATE
, &constraints_rates
);
420 static struct snd_soc_ops skylake_dmic_ops
= {
421 .startup
= skylake_dmic_startup
,
424 static unsigned int rates_16000
[] = {
428 static struct snd_pcm_hw_constraint_list constraints_16000
= {
429 .count
= ARRAY_SIZE(rates_16000
),
433 static int skylake_refcap_startup(struct snd_pcm_substream
*substream
)
435 return snd_pcm_hw_constraint_list(substream
->runtime
, 0,
436 SNDRV_PCM_HW_PARAM_RATE
,
440 static struct snd_soc_ops skylaye_refcap_ops
= {
441 .startup
= skylake_refcap_startup
,
444 /* skylake digital audio interface glue - connects codec <--> CPU */
445 static struct snd_soc_dai_link skylake_dais
[] = {
446 /* Front End DAI links */
447 [SKL_DPCM_AUDIO_PB
] = {
448 .name
= "Skl Audio Port",
449 .stream_name
= "Audio",
450 .cpu_dai_name
= "System Pin",
451 .platform_name
= "0000:00:1f.3",
453 .codec_name
= "snd-soc-dummy",
454 .codec_dai_name
= "snd-soc-dummy-dai",
456 .init
= skylake_nau8825_fe_init
,
458 SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
460 .ops
= &skylake_nau8825_fe_ops
,
462 [SKL_DPCM_AUDIO_CP
] = {
463 .name
= "Skl Audio Capture Port",
464 .stream_name
= "Audio Record",
465 .cpu_dai_name
= "System Pin",
466 .platform_name
= "0000:00:1f.3",
468 .codec_name
= "snd-soc-dummy",
469 .codec_dai_name
= "snd-soc-dummy-dai",
472 SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
474 .ops
= &skylake_nau8825_fe_ops
,
476 [SKL_DPCM_AUDIO_REF_CP
] = {
477 .name
= "Skl Audio Reference cap",
478 .stream_name
= "Wake on Voice",
479 .cpu_dai_name
= "Reference Pin",
480 .codec_name
= "snd-soc-dummy",
481 .codec_dai_name
= "snd-soc-dummy-dai",
482 .platform_name
= "0000:00:1f.3",
487 .ops
= &skylaye_refcap_ops
,
489 [SKL_DPCM_AUDIO_DMIC_CP
] = {
490 .name
= "Skl Audio DMIC cap",
491 .stream_name
= "dmiccap",
492 .cpu_dai_name
= "DMIC Pin",
493 .codec_name
= "snd-soc-dummy",
494 .codec_dai_name
= "snd-soc-dummy-dai",
495 .platform_name
= "0000:00:1f.3",
500 .ops
= &skylake_dmic_ops
,
502 [SKL_DPCM_AUDIO_HDMI1_PB
] = {
503 .name
= "Skl HDMI Port1",
504 .stream_name
= "Hdmi1",
505 .cpu_dai_name
= "HDMI1 Pin",
506 .codec_name
= "snd-soc-dummy",
507 .codec_dai_name
= "snd-soc-dummy-dai",
508 .platform_name
= "0000:00:1f.3",
512 SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
516 [SKL_DPCM_AUDIO_HDMI2_PB
] = {
517 .name
= "Skl HDMI Port2",
518 .stream_name
= "Hdmi2",
519 .cpu_dai_name
= "HDMI2 Pin",
520 .codec_name
= "snd-soc-dummy",
521 .codec_dai_name
= "snd-soc-dummy-dai",
522 .platform_name
= "0000:00:1f.3",
526 SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
530 [SKL_DPCM_AUDIO_HDMI3_PB
] = {
531 .name
= "Skl HDMI Port3",
532 .stream_name
= "Hdmi3",
533 .cpu_dai_name
= "HDMI3 Pin",
534 .codec_name
= "snd-soc-dummy",
535 .codec_dai_name
= "snd-soc-dummy-dai",
536 .platform_name
= "0000:00:1f.3",
538 SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
545 /* Back End DAI links */
548 .name
= "SSP0-Codec",
550 .cpu_dai_name
= "SSP0 Pin",
551 .platform_name
= "0000:00:1f.3",
553 .codecs
= ssm4567_codec_components
,
554 .num_codecs
= ARRAY_SIZE(ssm4567_codec_components
),
555 .dai_fmt
= SND_SOC_DAIFMT_DSP_A
|
556 SND_SOC_DAIFMT_IB_NF
|
557 SND_SOC_DAIFMT_CBS_CFS
,
558 .init
= skylake_ssm4567_codec_init
,
559 .ignore_pmdown_time
= 1,
560 .be_hw_params_fixup
= skylake_ssp_fixup
,
566 .name
= "SSP1-Codec",
568 .cpu_dai_name
= "SSP1 Pin",
569 .platform_name
= "0000:00:1f.3",
571 .codec_name
= "i2c-10508825:00",
572 .codec_dai_name
= SKL_NUVOTON_CODEC_DAI
,
573 .init
= skylake_nau8825_codec_init
,
574 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
|
575 SND_SOC_DAIFMT_CBS_CFS
,
576 .ignore_pmdown_time
= 1,
577 .be_hw_params_fixup
= skylake_ssp_fixup
,
578 .ops
= &skylake_nau8825_ops
,
585 .cpu_dai_name
= "DMIC01 Pin",
586 .codec_name
= "dmic-codec",
587 .codec_dai_name
= "dmic-hifi",
588 .platform_name
= "0000:00:1f.3",
590 .be_hw_params_fixup
= skylake_dmic_fixup
,
597 .cpu_dai_name
= "iDisp1 Pin",
598 .codec_name
= "ehdaudio0D2",
599 .codec_dai_name
= "intel-hdmi-hifi1",
600 .platform_name
= "0000:00:1f.3",
602 .init
= skylake_hdmi1_init
,
608 .cpu_dai_name
= "iDisp2 Pin",
609 .codec_name
= "ehdaudio0D2",
610 .codec_dai_name
= "intel-hdmi-hifi2",
611 .platform_name
= "0000:00:1f.3",
612 .init
= skylake_hdmi2_init
,
619 .cpu_dai_name
= "iDisp3 Pin",
620 .codec_name
= "ehdaudio0D2",
621 .codec_dai_name
= "intel-hdmi-hifi3",
622 .platform_name
= "0000:00:1f.3",
623 .init
= skylake_hdmi3_init
,
629 static int skylake_card_late_probe(struct snd_soc_card
*card
)
631 struct skl_nau88125_private
*ctx
= snd_soc_card_get_drvdata(card
);
632 struct skl_hdmi_pcm
*pcm
;
635 list_for_each_entry(pcm
, &ctx
->hdmi_pcm_list
, head
) {
636 err
= hdac_hdmi_jack_init(pcm
->codec_dai
, pcm
->device
);
644 /* skylake audio machine driver for SPT + NAU88L25 */
645 static struct snd_soc_card skylake_audio_card
= {
646 .name
= "sklnau8825adi",
647 .owner
= THIS_MODULE
,
648 .dai_link
= skylake_dais
,
649 .num_links
= ARRAY_SIZE(skylake_dais
),
650 .controls
= skylake_controls
,
651 .num_controls
= ARRAY_SIZE(skylake_controls
),
652 .dapm_widgets
= skylake_widgets
,
653 .num_dapm_widgets
= ARRAY_SIZE(skylake_widgets
),
654 .dapm_routes
= skylake_map
,
655 .num_dapm_routes
= ARRAY_SIZE(skylake_map
),
656 .codec_conf
= ssm4567_codec_conf
,
657 .num_configs
= ARRAY_SIZE(ssm4567_codec_conf
),
658 .fully_routed
= true,
659 .late_probe
= skylake_card_late_probe
,
662 static int skylake_audio_probe(struct platform_device
*pdev
)
664 struct skl_nau88125_private
*ctx
;
666 ctx
= devm_kzalloc(&pdev
->dev
, sizeof(*ctx
), GFP_ATOMIC
);
670 INIT_LIST_HEAD(&ctx
->hdmi_pcm_list
);
672 skylake_audio_card
.dev
= &pdev
->dev
;
673 snd_soc_card_set_drvdata(&skylake_audio_card
, ctx
);
675 return devm_snd_soc_register_card(&pdev
->dev
, &skylake_audio_card
);
678 static struct platform_driver skylake_audio
= {
679 .probe
= skylake_audio_probe
,
681 .name
= "skl_nau88l25_ssm4567_i2s",
682 .pm
= &snd_soc_pm_ops
,
686 module_platform_driver(skylake_audio
)
688 /* Module information */
689 MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>");
690 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
691 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
692 MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
693 MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
694 MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
695 MODULE_LICENSE("GPL v2");
696 MODULE_ALIAS("platform:skl_nau88l25_ssm4567_i2s");