2 * cht-bsw-max98090.c - ASoc Machine driver for Intel Cherryview-based
3 * platforms Cherrytrail and Braswell, with max98090 & TI codec.
5 * Copyright (C) 2015 Intel Corp
6 * Author: Fang, Yang A <yang.a.fang@intel.com>
7 * This file is modified from cht_bsw_rt5645.c
8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; version 2 of the License.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
22 #include <linux/module.h>
23 #include <linux/platform_device.h>
24 #include <linux/slab.h>
25 #include <linux/acpi.h>
26 #include <sound/pcm.h>
27 #include <sound/pcm_params.h>
28 #include <sound/soc.h>
29 #include <sound/jack.h>
30 #include "../../codecs/max98090.h"
31 #include "../atom/sst-atom-controls.h"
32 #include "../../codecs/ts3a227e.h"
34 #define CHT_PLAT_CLK_3_HZ 19200000
35 #define CHT_CODEC_DAI "HiFi"
37 struct cht_mc_private
{
38 struct snd_soc_jack jack
;
39 bool ts3a227e_present
;
42 static const struct snd_soc_dapm_widget cht_dapm_widgets
[] = {
43 SND_SOC_DAPM_HP("Headphone", NULL
),
44 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
45 SND_SOC_DAPM_MIC("Int Mic", NULL
),
46 SND_SOC_DAPM_SPK("Ext Spk", NULL
),
49 static const struct snd_soc_dapm_route cht_audio_map
[] = {
50 {"IN34", NULL
, "Headset Mic"},
51 {"Headset Mic", NULL
, "MICBIAS"},
52 {"DMICL", NULL
, "Int Mic"},
53 {"Headphone", NULL
, "HPL"},
54 {"Headphone", NULL
, "HPR"},
55 {"Ext Spk", NULL
, "SPKL"},
56 {"Ext Spk", NULL
, "SPKR"},
57 {"HiFi Playback", NULL
, "ssp2 Tx"},
58 {"ssp2 Tx", NULL
, "codec_out0"},
59 {"ssp2 Tx", NULL
, "codec_out1"},
60 {"codec_in0", NULL
, "ssp2 Rx" },
61 {"codec_in1", NULL
, "ssp2 Rx" },
62 {"ssp2 Rx", NULL
, "HiFi Capture"},
65 static const struct snd_kcontrol_new cht_mc_controls
[] = {
66 SOC_DAPM_PIN_SWITCH("Headphone"),
67 SOC_DAPM_PIN_SWITCH("Headset Mic"),
68 SOC_DAPM_PIN_SWITCH("Int Mic"),
69 SOC_DAPM_PIN_SWITCH("Ext Spk"),
72 static int cht_aif1_hw_params(struct snd_pcm_substream
*substream
,
73 struct snd_pcm_hw_params
*params
)
75 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
76 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
79 ret
= snd_soc_dai_set_sysclk(codec_dai
, M98090_REG_SYSTEM_CLOCK
,
80 CHT_PLAT_CLK_3_HZ
, SND_SOC_CLOCK_IN
);
82 dev_err(rtd
->dev
, "can't set codec sysclk: %d\n", ret
);
89 static int cht_ti_jack_event(struct notifier_block
*nb
,
90 unsigned long event
, void *data
)
92 struct snd_soc_jack
*jack
= (struct snd_soc_jack
*)data
;
93 struct snd_soc_dapm_context
*dapm
= &jack
->card
->dapm
;
95 if (event
& SND_JACK_MICROPHONE
) {
96 snd_soc_dapm_force_enable_pin(dapm
, "SHDN");
97 snd_soc_dapm_force_enable_pin(dapm
, "MICBIAS");
98 snd_soc_dapm_sync(dapm
);
100 snd_soc_dapm_disable_pin(dapm
, "MICBIAS");
101 snd_soc_dapm_disable_pin(dapm
, "SHDN");
102 snd_soc_dapm_sync(dapm
);
108 static struct notifier_block cht_jack_nb
= {
109 .notifier_call
= cht_ti_jack_event
,
112 static int cht_codec_init(struct snd_soc_pcm_runtime
*runtime
)
116 struct cht_mc_private
*ctx
= snd_soc_card_get_drvdata(runtime
->card
);
117 struct snd_soc_jack
*jack
= &ctx
->jack
;
120 * TI supports 4 butons headset detection
126 if (ctx
->ts3a227e_present
)
127 jack_type
= SND_JACK_HEADPHONE
| SND_JACK_MICROPHONE
|
128 SND_JACK_BTN_0
| SND_JACK_BTN_1
|
129 SND_JACK_BTN_2
| SND_JACK_BTN_3
;
131 jack_type
= SND_JACK_HEADPHONE
| SND_JACK_MICROPHONE
;
133 ret
= snd_soc_card_jack_new(runtime
->card
, "Headset Jack",
134 jack_type
, jack
, NULL
, 0);
137 dev_err(runtime
->dev
, "Headset Jack creation failed %d\n", ret
);
141 if (ctx
->ts3a227e_present
)
142 snd_soc_jack_notifier_register(jack
, &cht_jack_nb
);
147 static int cht_codec_fixup(struct snd_soc_pcm_runtime
*rtd
,
148 struct snd_pcm_hw_params
*params
)
150 struct snd_interval
*rate
= hw_param_interval(params
,
151 SNDRV_PCM_HW_PARAM_RATE
);
152 struct snd_interval
*channels
= hw_param_interval(params
,
153 SNDRV_PCM_HW_PARAM_CHANNELS
);
155 unsigned int fmt
= 0;
157 ret
= snd_soc_dai_set_tdm_slot(rtd
->cpu_dai
, 0x3, 0x3, 2, 16);
159 dev_err(rtd
->dev
, "can't set cpu_dai slot fmt: %d\n", ret
);
163 fmt
= SND_SOC_DAIFMT_LEFT_J
| SND_SOC_DAIFMT_NB_NF
164 | SND_SOC_DAIFMT_CBS_CFS
;
166 ret
= snd_soc_dai_set_fmt(rtd
->cpu_dai
, fmt
);
168 dev_err(rtd
->dev
, "can't set cpu_dai set fmt: %d\n", ret
);
172 /* The DSP will covert the FE rate to 48k, stereo, 24bits */
173 rate
->min
= rate
->max
= 48000;
174 channels
->min
= channels
->max
= 2;
176 /* set SSP2 to 24-bit */
177 params_set_format(params
, SNDRV_PCM_FORMAT_S24_LE
);
181 static int cht_aif1_startup(struct snd_pcm_substream
*substream
)
183 return snd_pcm_hw_constraint_single(substream
->runtime
,
184 SNDRV_PCM_HW_PARAM_RATE
, 48000);
187 static int cht_max98090_headset_init(struct snd_soc_component
*component
)
189 struct snd_soc_card
*card
= component
->card
;
190 struct cht_mc_private
*ctx
= snd_soc_card_get_drvdata(card
);
192 return ts3a227e_enable_jack_detect(component
, &ctx
->jack
);
195 static const struct snd_soc_ops cht_aif1_ops
= {
196 .startup
= cht_aif1_startup
,
199 static const struct snd_soc_ops cht_be_ssp2_ops
= {
200 .hw_params
= cht_aif1_hw_params
,
203 static struct snd_soc_aux_dev cht_max98090_headset_dev
= {
204 .name
= "Headset Chip",
205 .init
= cht_max98090_headset_init
,
206 .codec_name
= "i2c-104C227E:00",
209 static struct snd_soc_dai_link cht_dailink
[] = {
210 [MERR_DPCM_AUDIO
] = {
211 .name
= "Audio Port",
212 .stream_name
= "Audio",
213 .cpu_dai_name
= "media-cpu-dai",
214 .codec_dai_name
= "snd-soc-dummy-dai",
215 .codec_name
= "snd-soc-dummy",
216 .platform_name
= "sst-mfld-platform",
221 .ops
= &cht_aif1_ops
,
223 [MERR_DPCM_DEEP_BUFFER
] = {
224 .name
= "Deep-Buffer Audio Port",
225 .stream_name
= "Deep-Buffer Audio",
226 .cpu_dai_name
= "deepbuffer-cpu-dai",
227 .codec_dai_name
= "snd-soc-dummy-dai",
228 .codec_name
= "snd-soc-dummy",
229 .platform_name
= "sst-mfld-platform",
233 .ops
= &cht_aif1_ops
,
235 [MERR_DPCM_COMPR
] = {
236 .name
= "Compressed Port",
237 .stream_name
= "Compress",
238 .cpu_dai_name
= "compress-cpu-dai",
239 .codec_dai_name
= "snd-soc-dummy-dai",
240 .codec_name
= "snd-soc-dummy",
241 .platform_name
= "sst-mfld-platform",
245 .name
= "SSP2-Codec",
247 .cpu_dai_name
= "ssp2-port",
248 .platform_name
= "sst-mfld-platform",
250 .codec_dai_name
= "HiFi",
251 .codec_name
= "i2c-193C9890:00",
252 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
253 | SND_SOC_DAIFMT_CBS_CFS
,
254 .init
= cht_codec_init
,
255 .be_hw_params_fixup
= cht_codec_fixup
,
258 .ops
= &cht_be_ssp2_ops
,
263 static struct snd_soc_card snd_soc_card_cht
= {
264 .name
= "chtmax98090",
265 .owner
= THIS_MODULE
,
266 .dai_link
= cht_dailink
,
267 .num_links
= ARRAY_SIZE(cht_dailink
),
268 .aux_dev
= &cht_max98090_headset_dev
,
270 .dapm_widgets
= cht_dapm_widgets
,
271 .num_dapm_widgets
= ARRAY_SIZE(cht_dapm_widgets
),
272 .dapm_routes
= cht_audio_map
,
273 .num_dapm_routes
= ARRAY_SIZE(cht_audio_map
),
274 .controls
= cht_mc_controls
,
275 .num_controls
= ARRAY_SIZE(cht_mc_controls
),
278 static int snd_cht_mc_probe(struct platform_device
*pdev
)
281 struct cht_mc_private
*drv
;
283 drv
= devm_kzalloc(&pdev
->dev
, sizeof(*drv
), GFP_ATOMIC
);
287 drv
->ts3a227e_present
= acpi_dev_found("104C227E");
288 if (!drv
->ts3a227e_present
) {
289 /* no need probe TI jack detection chip */
290 snd_soc_card_cht
.aux_dev
= NULL
;
291 snd_soc_card_cht
.num_aux_devs
= 0;
294 /* register the soc card */
295 snd_soc_card_cht
.dev
= &pdev
->dev
;
296 snd_soc_card_set_drvdata(&snd_soc_card_cht
, drv
);
297 ret_val
= devm_snd_soc_register_card(&pdev
->dev
, &snd_soc_card_cht
);
300 "snd_soc_register_card failed %d\n", ret_val
);
303 platform_set_drvdata(pdev
, &snd_soc_card_cht
);
307 static struct platform_driver snd_cht_mc_driver
= {
309 .name
= "cht-bsw-max98090",
311 .probe
= snd_cht_mc_probe
,
314 module_platform_driver(snd_cht_mc_driver
)
316 MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
317 MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>");
318 MODULE_LICENSE("GPL v2");
319 MODULE_ALIAS("platform:cht-bsw-max98090");