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 inline struct snd_soc_dai
*cht_get_codec_dai(struct snd_soc_card
*card
)
46 for (i
= 0; i
< card
->num_rtd
; i
++) {
47 struct snd_soc_pcm_runtime
*rtd
;
50 if (!strncmp(rtd
->codec_dai
->name
, CHT_CODEC_DAI
,
51 strlen(CHT_CODEC_DAI
)))
52 return rtd
->codec_dai
;
57 static const struct snd_soc_dapm_widget cht_dapm_widgets
[] = {
58 SND_SOC_DAPM_HP("Headphone", NULL
),
59 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
60 SND_SOC_DAPM_MIC("Int Mic", NULL
),
61 SND_SOC_DAPM_SPK("Ext Spk", NULL
),
64 static const struct snd_soc_dapm_route cht_audio_map
[] = {
65 {"IN34", NULL
, "Headset Mic"},
66 {"Headset Mic", NULL
, "MICBIAS"},
67 {"DMICL", NULL
, "Int Mic"},
68 {"Headphone", NULL
, "HPL"},
69 {"Headphone", NULL
, "HPR"},
70 {"Ext Spk", NULL
, "SPKL"},
71 {"Ext Spk", NULL
, "SPKR"},
72 {"HiFi Playback", NULL
, "ssp2 Tx"},
73 {"ssp2 Tx", NULL
, "codec_out0"},
74 {"ssp2 Tx", NULL
, "codec_out1"},
75 {"codec_in0", NULL
, "ssp2 Rx" },
76 {"codec_in1", NULL
, "ssp2 Rx" },
77 {"ssp2 Rx", NULL
, "HiFi Capture"},
80 static const struct snd_kcontrol_new cht_mc_controls
[] = {
81 SOC_DAPM_PIN_SWITCH("Headphone"),
82 SOC_DAPM_PIN_SWITCH("Headset Mic"),
83 SOC_DAPM_PIN_SWITCH("Int Mic"),
84 SOC_DAPM_PIN_SWITCH("Ext Spk"),
87 static int cht_aif1_hw_params(struct snd_pcm_substream
*substream
,
88 struct snd_pcm_hw_params
*params
)
90 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
91 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
94 ret
= snd_soc_dai_set_sysclk(codec_dai
, M98090_REG_SYSTEM_CLOCK
,
95 CHT_PLAT_CLK_3_HZ
, SND_SOC_CLOCK_IN
);
97 dev_err(rtd
->dev
, "can't set codec sysclk: %d\n", ret
);
104 static int cht_ti_jack_event(struct notifier_block
*nb
,
105 unsigned long event
, void *data
)
107 struct snd_soc_jack
*jack
= (struct snd_soc_jack
*)data
;
108 struct snd_soc_dapm_context
*dapm
= &jack
->card
->dapm
;
110 if (event
& SND_JACK_MICROPHONE
) {
111 snd_soc_dapm_force_enable_pin(dapm
, "SHDN");
112 snd_soc_dapm_force_enable_pin(dapm
, "MICBIAS");
113 snd_soc_dapm_sync(dapm
);
115 snd_soc_dapm_disable_pin(dapm
, "MICBIAS");
116 snd_soc_dapm_disable_pin(dapm
, "SHDN");
117 snd_soc_dapm_sync(dapm
);
123 static struct notifier_block cht_jack_nb
= {
124 .notifier_call
= cht_ti_jack_event
,
127 static int cht_codec_init(struct snd_soc_pcm_runtime
*runtime
)
131 struct cht_mc_private
*ctx
= snd_soc_card_get_drvdata(runtime
->card
);
132 struct snd_soc_jack
*jack
= &ctx
->jack
;
135 * TI supports 4 butons headset detection
141 if (ctx
->ts3a227e_present
)
142 jack_type
= SND_JACK_HEADPHONE
| SND_JACK_MICROPHONE
|
143 SND_JACK_BTN_0
| SND_JACK_BTN_1
|
144 SND_JACK_BTN_2
| SND_JACK_BTN_3
;
146 jack_type
= SND_JACK_HEADPHONE
| SND_JACK_MICROPHONE
;
148 ret
= snd_soc_card_jack_new(runtime
->card
, "Headset Jack",
149 jack_type
, jack
, NULL
, 0);
152 dev_err(runtime
->dev
, "Headset Jack creation failed %d\n", ret
);
156 if (ctx
->ts3a227e_present
)
157 snd_soc_jack_notifier_register(jack
, &cht_jack_nb
);
162 static int cht_codec_fixup(struct snd_soc_pcm_runtime
*rtd
,
163 struct snd_pcm_hw_params
*params
)
165 struct snd_interval
*rate
= hw_param_interval(params
,
166 SNDRV_PCM_HW_PARAM_RATE
);
167 struct snd_interval
*channels
= hw_param_interval(params
,
168 SNDRV_PCM_HW_PARAM_CHANNELS
);
170 unsigned int fmt
= 0;
172 ret
= snd_soc_dai_set_tdm_slot(rtd
->cpu_dai
, 0x3, 0x3, 2, 16);
174 dev_err(rtd
->dev
, "can't set cpu_dai slot fmt: %d\n", ret
);
178 fmt
= SND_SOC_DAIFMT_LEFT_J
| SND_SOC_DAIFMT_NB_NF
179 | SND_SOC_DAIFMT_CBS_CFS
;
181 ret
= snd_soc_dai_set_fmt(rtd
->cpu_dai
, fmt
);
183 dev_err(rtd
->dev
, "can't set cpu_dai set fmt: %d\n", ret
);
187 /* The DSP will covert the FE rate to 48k, stereo, 24bits */
188 rate
->min
= rate
->max
= 48000;
189 channels
->min
= channels
->max
= 2;
191 /* set SSP2 to 24-bit */
192 params_set_format(params
, SNDRV_PCM_FORMAT_S24_LE
);
196 static int cht_aif1_startup(struct snd_pcm_substream
*substream
)
198 return snd_pcm_hw_constraint_single(substream
->runtime
,
199 SNDRV_PCM_HW_PARAM_RATE
, 48000);
202 static int cht_max98090_headset_init(struct snd_soc_component
*component
)
204 struct snd_soc_card
*card
= component
->card
;
205 struct cht_mc_private
*ctx
= snd_soc_card_get_drvdata(card
);
207 return ts3a227e_enable_jack_detect(component
, &ctx
->jack
);
210 static struct snd_soc_ops cht_aif1_ops
= {
211 .startup
= cht_aif1_startup
,
214 static struct snd_soc_ops cht_be_ssp2_ops
= {
215 .hw_params
= cht_aif1_hw_params
,
218 static struct snd_soc_aux_dev cht_max98090_headset_dev
= {
219 .name
= "Headset Chip",
220 .init
= cht_max98090_headset_init
,
221 .codec_name
= "i2c-104C227E:00",
224 static struct snd_soc_dai_link cht_dailink
[] = {
225 [MERR_DPCM_AUDIO
] = {
226 .name
= "Audio Port",
227 .stream_name
= "Audio",
228 .cpu_dai_name
= "media-cpu-dai",
229 .codec_dai_name
= "snd-soc-dummy-dai",
230 .codec_name
= "snd-soc-dummy",
231 .platform_name
= "sst-mfld-platform",
236 .ops
= &cht_aif1_ops
,
238 [MERR_DPCM_COMPR
] = {
239 .name
= "Compressed Port",
240 .stream_name
= "Compress",
241 .cpu_dai_name
= "compress-cpu-dai",
242 .codec_dai_name
= "snd-soc-dummy-dai",
243 .codec_name
= "snd-soc-dummy",
244 .platform_name
= "sst-mfld-platform",
248 .name
= "SSP2-Codec",
250 .cpu_dai_name
= "ssp2-port",
251 .platform_name
= "sst-mfld-platform",
253 .codec_dai_name
= "HiFi",
254 .codec_name
= "i2c-193C9890:00",
255 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
256 | SND_SOC_DAIFMT_CBS_CFS
,
257 .init
= cht_codec_init
,
258 .be_hw_params_fixup
= cht_codec_fixup
,
261 .ops
= &cht_be_ssp2_ops
,
266 static struct snd_soc_card snd_soc_card_cht
= {
267 .name
= "chtmax98090",
268 .owner
= THIS_MODULE
,
269 .dai_link
= cht_dailink
,
270 .num_links
= ARRAY_SIZE(cht_dailink
),
271 .aux_dev
= &cht_max98090_headset_dev
,
273 .dapm_widgets
= cht_dapm_widgets
,
274 .num_dapm_widgets
= ARRAY_SIZE(cht_dapm_widgets
),
275 .dapm_routes
= cht_audio_map
,
276 .num_dapm_routes
= ARRAY_SIZE(cht_audio_map
),
277 .controls
= cht_mc_controls
,
278 .num_controls
= ARRAY_SIZE(cht_mc_controls
),
281 static acpi_status
snd_acpi_codec_match(acpi_handle handle
, u32 level
,
282 void *context
, void **ret
)
284 *(bool *)context
= true;
288 static int snd_cht_mc_probe(struct platform_device
*pdev
)
292 struct cht_mc_private
*drv
;
294 drv
= devm_kzalloc(&pdev
->dev
, sizeof(*drv
), GFP_ATOMIC
);
298 if (ACPI_SUCCESS(acpi_get_devices(
300 snd_acpi_codec_match
,
301 &found
, NULL
)) && found
) {
302 drv
->ts3a227e_present
= true;
304 /* no need probe TI jack detection chip */
305 snd_soc_card_cht
.aux_dev
= NULL
;
306 snd_soc_card_cht
.num_aux_devs
= 0;
307 drv
->ts3a227e_present
= false;
310 /* register the soc card */
311 snd_soc_card_cht
.dev
= &pdev
->dev
;
312 snd_soc_card_set_drvdata(&snd_soc_card_cht
, drv
);
313 ret_val
= devm_snd_soc_register_card(&pdev
->dev
, &snd_soc_card_cht
);
316 "snd_soc_register_card failed %d\n", ret_val
);
319 platform_set_drvdata(pdev
, &snd_soc_card_cht
);
323 static struct platform_driver snd_cht_mc_driver
= {
325 .name
= "cht-bsw-max98090",
327 .probe
= snd_cht_mc_probe
,
330 module_platform_driver(snd_cht_mc_driver
)
332 MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
333 MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>");
334 MODULE_LICENSE("GPL v2");
335 MODULE_ALIAS("platform:cht-bsw-max98090");