2 * Intel Skylake I2S Machine Driver
4 * Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
7 * Intel Broadwell Wildcatpoint SST Audio
9 * Copyright (C) 2013, 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/rt286.h"
30 static struct snd_soc_jack skylake_headset
;
31 /* Headset jack detection DAPM pins */
32 static struct snd_soc_jack_pin skylake_headset_pins
[] = {
35 .mask
= SND_JACK_MICROPHONE
,
38 .pin
= "Headphone Jack",
39 .mask
= SND_JACK_HEADPHONE
,
43 static const struct snd_kcontrol_new skylake_controls
[] = {
44 SOC_DAPM_PIN_SWITCH("Speaker"),
45 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
46 SOC_DAPM_PIN_SWITCH("Mic Jack"),
49 static const struct snd_soc_dapm_widget skylake_widgets
[] = {
50 SND_SOC_DAPM_HP("Headphone Jack", NULL
),
51 SND_SOC_DAPM_SPK("Speaker", NULL
),
52 SND_SOC_DAPM_MIC("Mic Jack", NULL
),
53 SND_SOC_DAPM_MIC("DMIC2", NULL
),
54 SND_SOC_DAPM_MIC("SoC DMIC", NULL
),
55 SND_SOC_DAPM_SINK("WoV Sink"),
58 static const struct snd_soc_dapm_route skylake_rt286_map
[] = {
60 {"Speaker", NULL
, "SPOR"},
61 {"Speaker", NULL
, "SPOL"},
63 /* HP jack connectors - unknown if we have jack deteck */
64 {"Headphone Jack", NULL
, "HPO Pin"},
67 {"MIC1", NULL
, "Mic Jack"},
70 {"DMIC1 Pin", NULL
, "DMIC2"},
71 {"DMic", NULL
, "SoC DMIC"},
73 {"WoV Sink", NULL
, "hwd_in sink"},
75 /* CODEC BE connections */
76 { "AIF1 Playback", NULL
, "ssp0 Tx"},
77 { "ssp0 Tx", NULL
, "codec0_out"},
78 { "ssp0 Tx", NULL
, "codec1_out"},
80 { "codec0_in", NULL
, "ssp0 Rx" },
81 { "codec1_in", NULL
, "ssp0 Rx" },
82 { "ssp0 Rx", NULL
, "AIF1 Capture" },
84 { "dmic01_hifi", NULL
, "DMIC01 Rx" },
85 { "DMIC01 Rx", NULL
, "DMIC AIF" },
87 { "hif1", NULL
, "iDisp Tx"},
88 { "iDisp Tx", NULL
, "iDisp_out"},
92 static int skylake_rt286_fe_init(struct snd_soc_pcm_runtime
*rtd
)
94 struct snd_soc_dapm_context
*dapm
;
95 struct snd_soc_component
*component
= rtd
->cpu_dai
->component
;
97 dapm
= snd_soc_component_get_dapm(component
);
98 snd_soc_dapm_ignore_suspend(dapm
, "Reference Capture");
103 static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime
*rtd
)
105 struct snd_soc_codec
*codec
= rtd
->codec
;
108 ret
= snd_soc_card_jack_new(rtd
->card
, "Headset",
109 SND_JACK_HEADSET
| SND_JACK_BTN_0
,
111 skylake_headset_pins
, ARRAY_SIZE(skylake_headset_pins
));
116 rt286_mic_detect(codec
, &skylake_headset
);
118 snd_soc_dapm_ignore_suspend(&rtd
->card
->dapm
, "SoC DMIC");
119 snd_soc_dapm_ignore_suspend(&rtd
->card
->dapm
, "WoV Sink");
124 static unsigned int rates
[] = {
128 static struct snd_pcm_hw_constraint_list constraints_rates
= {
129 .count
= ARRAY_SIZE(rates
),
134 static unsigned int channels
[] = {
138 static struct snd_pcm_hw_constraint_list constraints_channels
= {
139 .count
= ARRAY_SIZE(channels
),
144 static int skl_fe_startup(struct snd_pcm_substream
*substream
)
146 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
149 * on this platform for PCM device we support,
155 runtime
->hw
.channels_max
= 2;
156 snd_pcm_hw_constraint_list(runtime
, 0, SNDRV_PCM_HW_PARAM_CHANNELS
,
157 &constraints_channels
);
159 runtime
->hw
.formats
= SNDRV_PCM_FMTBIT_S16_LE
;
160 snd_pcm_hw_constraint_msbits(runtime
, 0, 16, 16);
162 snd_pcm_hw_constraint_list(runtime
, 0,
163 SNDRV_PCM_HW_PARAM_RATE
, &constraints_rates
);
168 static const struct snd_soc_ops skylake_rt286_fe_ops
= {
169 .startup
= skl_fe_startup
,
172 static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime
*rtd
,
173 struct snd_pcm_hw_params
*params
)
175 struct snd_interval
*rate
= hw_param_interval(params
,
176 SNDRV_PCM_HW_PARAM_RATE
);
177 struct snd_interval
*channels
= hw_param_interval(params
,
178 SNDRV_PCM_HW_PARAM_CHANNELS
);
179 struct snd_mask
*fmt
= hw_param_mask(params
, SNDRV_PCM_HW_PARAM_FORMAT
);
181 /* The output is 48KHz, stereo, 16bits */
182 rate
->min
= rate
->max
= 48000;
183 channels
->min
= channels
->max
= 2;
185 /* set SSP0 to 24 bit */
187 snd_mask_set(fmt
, SNDRV_PCM_FORMAT_S24_LE
);
191 static int skylake_rt286_hw_params(struct snd_pcm_substream
*substream
,
192 struct snd_pcm_hw_params
*params
)
194 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
195 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
198 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT286_SCLK_S_PLL
, 24000000,
201 dev_err(rtd
->dev
, "set codec sysclk failed: %d\n", ret
);
206 static struct snd_soc_ops skylake_rt286_ops
= {
207 .hw_params
= skylake_rt286_hw_params
,
210 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime
*rtd
,
211 struct snd_pcm_hw_params
*params
)
213 struct snd_interval
*channels
= hw_param_interval(params
,
214 SNDRV_PCM_HW_PARAM_CHANNELS
);
215 channels
->min
= channels
->max
= 4;
220 static unsigned int channels_dmic
[] = {
224 static struct snd_pcm_hw_constraint_list constraints_dmic_channels
= {
225 .count
= ARRAY_SIZE(channels_dmic
),
226 .list
= channels_dmic
,
230 static int skylake_dmic_startup(struct snd_pcm_substream
*substream
)
232 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
234 runtime
->hw
.channels_max
= 4;
235 snd_pcm_hw_constraint_list(runtime
, 0, SNDRV_PCM_HW_PARAM_CHANNELS
,
236 &constraints_dmic_channels
);
238 return snd_pcm_hw_constraint_list(substream
->runtime
, 0,
239 SNDRV_PCM_HW_PARAM_RATE
, &constraints_rates
);
242 static struct snd_soc_ops skylake_dmic_ops
= {
243 .startup
= skylake_dmic_startup
,
246 /* skylake digital audio interface glue - connects codec <--> CPU */
247 static struct snd_soc_dai_link skylake_rt286_dais
[] = {
248 /* Front End DAI links */
250 .name
= "Skl Audio Port",
251 .stream_name
= "Audio",
252 .cpu_dai_name
= "System Pin",
253 .platform_name
= "0000:00:1f.3",
256 .codec_name
= "snd-soc-dummy",
257 .codec_dai_name
= "snd-soc-dummy-dai",
258 .init
= skylake_rt286_fe_init
,
260 SND_SOC_DPCM_TRIGGER_POST
,
261 SND_SOC_DPCM_TRIGGER_POST
264 .ops
= &skylake_rt286_fe_ops
,
267 .name
= "Skl Audio Capture Port",
268 .stream_name
= "Audio Record",
269 .cpu_dai_name
= "System Pin",
270 .platform_name
= "0000:00:1f.3",
273 .codec_name
= "snd-soc-dummy",
274 .codec_dai_name
= "snd-soc-dummy-dai",
276 SND_SOC_DPCM_TRIGGER_POST
,
277 SND_SOC_DPCM_TRIGGER_POST
280 .ops
= &skylake_rt286_fe_ops
,
283 .name
= "Skl Audio Reference cap",
284 .stream_name
= "refcap",
285 .cpu_dai_name
= "Reference Pin",
286 .codec_name
= "snd-soc-dummy",
287 .codec_dai_name
= "snd-soc-dummy-dai",
288 .platform_name
= "0000:00:1f.3",
296 .name
= "Skl Audio DMIC cap",
297 .stream_name
= "dmiccap",
298 .cpu_dai_name
= "DMIC Pin",
299 .codec_name
= "snd-soc-dummy",
300 .codec_dai_name
= "snd-soc-dummy-dai",
301 .platform_name
= "0000:00:1f.3",
306 .ops
= &skylake_dmic_ops
,
309 /* Back End DAI links */
312 .name
= "SSP0-Codec",
314 .cpu_dai_name
= "SSP0 Pin",
315 .platform_name
= "0000:00:1f.3",
317 .codec_name
= "i2c-INT343A:00",
318 .codec_dai_name
= "rt286-aif1",
319 .init
= skylake_rt286_codec_init
,
320 .dai_fmt
= SND_SOC_DAIFMT_I2S
|
321 SND_SOC_DAIFMT_NB_NF
|
322 SND_SOC_DAIFMT_CBS_CFS
,
323 .ignore_pmdown_time
= 1,
324 .be_hw_params_fixup
= skylake_ssp0_fixup
,
325 .ops
= &skylake_rt286_ops
,
332 .cpu_dai_name
= "DMIC01 Pin",
333 .codec_name
= "dmic-codec",
334 .codec_dai_name
= "dmic-hifi",
335 .platform_name
= "0000:00:1f.3",
336 .be_hw_params_fixup
= skylake_dmic_fixup
,
343 /* skylake audio machine driver for SPT + RT286S */
344 static struct snd_soc_card skylake_rt286
= {
345 .name
= "skylake-rt286",
346 .owner
= THIS_MODULE
,
347 .dai_link
= skylake_rt286_dais
,
348 .num_links
= ARRAY_SIZE(skylake_rt286_dais
),
349 .controls
= skylake_controls
,
350 .num_controls
= ARRAY_SIZE(skylake_controls
),
351 .dapm_widgets
= skylake_widgets
,
352 .num_dapm_widgets
= ARRAY_SIZE(skylake_widgets
),
353 .dapm_routes
= skylake_rt286_map
,
354 .num_dapm_routes
= ARRAY_SIZE(skylake_rt286_map
),
355 .fully_routed
= true,
358 static int skylake_audio_probe(struct platform_device
*pdev
)
360 skylake_rt286
.dev
= &pdev
->dev
;
362 return devm_snd_soc_register_card(&pdev
->dev
, &skylake_rt286
);
365 static struct platform_driver skylake_audio
= {
366 .probe
= skylake_audio_probe
,
368 .name
= "skl_alc286s_i2s",
369 .pm
= &snd_soc_pm_ops
,
373 module_platform_driver(skylake_audio
)
375 /* Module information */
376 MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
377 MODULE_DESCRIPTION("Intel SST Audio for Skylake");
378 MODULE_LICENSE("GPL v2");
379 MODULE_ALIAS("platform:skl_alc286s_i2s");