283 lines
7.8 KiB
C
283 lines
7.8 KiB
C
|
/*
|
||
|
|
* cht-bsw-nau8824.c - ASoc Machine driver for Intel Cherryview-based
|
||
|
|
* platforms Cherrytrail and Braswell, with nau8824 codec.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2018 Intel Corp
|
||
|
|
* Copyright (C) 2018 Nuvoton Technology Corp
|
||
|
|
*
|
||
|
|
* Author: Wang, Joseph C <joequant@gmail.com>
|
||
|
|
* Co-author: John Hsu <KCHSU0@nuvoton.com>
|
||
|
|
* This file is based on cht_bsw_rt5672.c and cht-bsw-max98090.c
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; version 2 of the License.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful, but
|
||
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* General Public License for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
#include <linux/slab.h>
|
||
|
|
#include <sound/pcm.h>
|
||
|
|
#include <sound/pcm_params.h>
|
||
|
|
#include <sound/soc.h>
|
||
|
|
#include <sound/jack.h>
|
||
|
|
#include <linux/input.h>
|
||
|
|
#include "../atom/sst-atom-controls.h"
|
||
|
|
#include "../../codecs/nau8824.h"
|
||
|
|
|
||
|
|
struct cht_mc_private {
|
||
|
|
struct snd_soc_jack jack;
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_jack_pin cht_bsw_jack_pins[] = {
|
||
|
|
{
|
||
|
|
.pin = "Headphone",
|
||
|
|
.mask = SND_JACK_HEADPHONE,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.pin = "Headset Mic",
|
||
|
|
.mask = SND_JACK_MICROPHONE,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
|
||
|
|
SND_SOC_DAPM_HP("Headphone", NULL),
|
||
|
|
SND_SOC_DAPM_MIC("Headset Mic", NULL),
|
||
|
|
SND_SOC_DAPM_MIC("Int Mic", NULL),
|
||
|
|
SND_SOC_DAPM_SPK("Ext Spk", NULL),
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct snd_soc_dapm_route cht_audio_map[] = {
|
||
|
|
{"Ext Spk", NULL, "SPKOUTL"},
|
||
|
|
{"Ext Spk", NULL, "SPKOUTR"},
|
||
|
|
{"Headphone", NULL, "HPOL"},
|
||
|
|
{"Headphone", NULL, "HPOR"},
|
||
|
|
{"MIC1", NULL, "Int Mic"},
|
||
|
|
{"MIC2", NULL, "Int Mic"},
|
||
|
|
{"HSMIC1", NULL, "Headset Mic"},
|
||
|
|
{"HSMIC2", NULL, "Headset Mic"},
|
||
|
|
{"Playback", NULL, "ssp2 Tx"},
|
||
|
|
{"ssp2 Tx", NULL, "codec_out0"},
|
||
|
|
{"ssp2 Tx", NULL, "codec_out1"},
|
||
|
|
{"codec_in0", NULL, "ssp2 Rx" },
|
||
|
|
{"codec_in1", NULL, "ssp2 Rx" },
|
||
|
|
{"ssp2 Rx", NULL, "Capture"},
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct snd_kcontrol_new cht_mc_controls[] = {
|
||
|
|
SOC_DAPM_PIN_SWITCH("Headphone"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Headset Mic"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Int Mic"),
|
||
|
|
SOC_DAPM_PIN_SWITCH("Ext Spk"),
|
||
|
|
};
|
||
|
|
|
||
|
|
static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
|
||
|
|
struct snd_pcm_hw_params *params)
|
||
|
|
{
|
||
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
||
|
|
struct snd_soc_dai *codec_dai = rtd->codec_dai;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = snd_soc_dai_set_sysclk(codec_dai, NAU8824_CLK_FLL_FS, 0,
|
||
|
|
SND_SOC_CLOCK_IN);
|
||
|
|
if (ret < 0) {
|
||
|
|
dev_err(codec_dai->dev, "can't set FS clock %d\n", ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
ret = snd_soc_dai_set_pll(codec_dai, 0, 0, params_rate(params),
|
||
|
|
params_rate(params) * 256);
|
||
|
|
if (ret < 0) {
|
||
|
|
dev_err(codec_dai->dev, "can't set FLL: %d\n", ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
|
||
|
|
{
|
||
|
|
struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
|
||
|
|
struct snd_soc_jack *jack = &ctx->jack;
|
||
|
|
struct snd_soc_dai *codec_dai = runtime->codec_dai;
|
||
|
|
struct snd_soc_component *component = codec_dai->component;
|
||
|
|
int ret, jack_type;
|
||
|
|
|
||
|
|
/* TDM 4 slots 24 bit, set Rx & Tx bitmask to 4 active slots */
|
||
|
|
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xf, 0x1, 4, 24);
|
||
|
|
if (ret < 0) {
|
||
|
|
dev_err(runtime->dev, "can't set codec TDM slot %d\n", ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* NAU88L24 supports 4 butons headset detection
|
||
|
|
* KEY_MEDIA
|
||
|
|
* KEY_VOICECOMMAND
|
||
|
|
* KEY_VOLUMEUP
|
||
|
|
* KEY_VOLUMEDOWN
|
||
|
|
*/
|
||
|
|
jack_type = SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
|
||
|
|
SND_JACK_BTN_2 | SND_JACK_BTN_3;
|
||
|
|
ret = snd_soc_card_jack_new(runtime->card, "Headset", jack_type, jack,
|
||
|
|
cht_bsw_jack_pins, ARRAY_SIZE(cht_bsw_jack_pins));
|
||
|
|
if (ret) {
|
||
|
|
dev_err(runtime->dev,
|
||
|
|
"Headset Jack creation failed %d\n", ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA);
|
||
|
|
snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
|
||
|
|
snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
|
||
|
|
snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
|
||
|
|
|
||
|
|
nau8824_enable_jack_detect(component, jack);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
|
||
|
|
struct snd_pcm_hw_params *params)
|
||
|
|
{
|
||
|
|
struct snd_interval *rate = hw_param_interval(params,
|
||
|
|
SNDRV_PCM_HW_PARAM_RATE);
|
||
|
|
struct snd_interval *channels = hw_param_interval(params,
|
||
|
|
SNDRV_PCM_HW_PARAM_CHANNELS);
|
||
|
|
struct snd_mask *fmt =
|
||
|
|
hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
|
||
|
|
|
||
|
|
/* The DSP will covert the FE rate to 48k, stereo, 24bits */
|
||
|
|
rate->min = rate->max = 48000;
|
||
|
|
channels->min = channels->max = 2;
|
||
|
|
|
||
|
|
/* set SSP2 to 24-bit */
|
||
|
|
snd_mask_none(fmt);
|
||
|
|
params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int cht_aif1_startup(struct snd_pcm_substream *substream)
|
||
|
|
{
|
||
|
|
return snd_pcm_hw_constraint_single(substream->runtime,
|
||
|
|
SNDRV_PCM_HW_PARAM_RATE, 48000);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct snd_soc_ops cht_aif1_ops = {
|
||
|
|
.startup = cht_aif1_startup,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct snd_soc_ops cht_be_ssp2_ops = {
|
||
|
|
.hw_params = cht_aif1_hw_params,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_dai_link cht_dailink[] = {
|
||
|
|
/* Front End DAI links */
|
||
|
|
[MERR_DPCM_AUDIO] = {
|
||
|
|
.name = "Audio Port",
|
||
|
|
.stream_name = "Audio",
|
||
|
|
.cpu_dai_name = "media-cpu-dai",
|
||
|
|
.codec_dai_name = "snd-soc-dummy-dai",
|
||
|
|
.codec_name = "snd-soc-dummy",
|
||
|
|
.platform_name = "sst-mfld-platform",
|
||
|
|
.nonatomic = true,
|
||
|
|
.dynamic = 1,
|
||
|
|
.dpcm_playback = 1,
|
||
|
|
.dpcm_capture = 1,
|
||
|
|
.ops = &cht_aif1_ops,
|
||
|
|
},
|
||
|
|
[MERR_DPCM_DEEP_BUFFER] = {
|
||
|
|
.name = "Deep-Buffer Audio Port",
|
||
|
|
.stream_name = "Deep-Buffer Audio",
|
||
|
|
.cpu_dai_name = "deepbuffer-cpu-dai",
|
||
|
|
.codec_dai_name = "snd-soc-dummy-dai",
|
||
|
|
.codec_name = "snd-soc-dummy",
|
||
|
|
.platform_name = "sst-mfld-platform",
|
||
|
|
.nonatomic = true,
|
||
|
|
.dynamic = 1,
|
||
|
|
.dpcm_playback = 1,
|
||
|
|
.ops = &cht_aif1_ops,
|
||
|
|
},
|
||
|
|
[MERR_DPCM_COMPR] = {
|
||
|
|
.name = "Compressed Port",
|
||
|
|
.stream_name = "Compress",
|
||
|
|
.cpu_dai_name = "compress-cpu-dai",
|
||
|
|
.codec_dai_name = "snd-soc-dummy-dai",
|
||
|
|
.codec_name = "snd-soc-dummy",
|
||
|
|
.platform_name = "sst-mfld-platform",
|
||
|
|
},
|
||
|
|
/* Back End DAI links */
|
||
|
|
{
|
||
|
|
/* SSP2 - Codec */
|
||
|
|
.name = "SSP2-Codec",
|
||
|
|
.id = 1,
|
||
|
|
.cpu_dai_name = "ssp2-port",
|
||
|
|
.platform_name = "sst-mfld-platform",
|
||
|
|
.no_pcm = 1,
|
||
|
|
.codec_dai_name = NAU8824_CODEC_DAI,
|
||
|
|
.codec_name = "i2c-10508824:00",
|
||
|
|
.dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF
|
||
|
|
| SND_SOC_DAIFMT_CBS_CFS,
|
||
|
|
.init = cht_codec_init,
|
||
|
|
.be_hw_params_fixup = cht_codec_fixup,
|
||
|
|
.dpcm_playback = 1,
|
||
|
|
.dpcm_capture = 1,
|
||
|
|
.ops = &cht_be_ssp2_ops,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
/* SoC card */
|
||
|
|
static struct snd_soc_card snd_soc_card_cht = {
|
||
|
|
.name = "chtnau8824",
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.dai_link = cht_dailink,
|
||
|
|
.num_links = ARRAY_SIZE(cht_dailink),
|
||
|
|
.dapm_widgets = cht_dapm_widgets,
|
||
|
|
.num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
|
||
|
|
.dapm_routes = cht_audio_map,
|
||
|
|
.num_dapm_routes = ARRAY_SIZE(cht_audio_map),
|
||
|
|
.controls = cht_mc_controls,
|
||
|
|
.num_controls = ARRAY_SIZE(cht_mc_controls),
|
||
|
|
};
|
||
|
|
|
||
|
|
static int snd_cht_mc_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct cht_mc_private *drv;
|
||
|
|
int ret_val;
|
||
|
|
|
||
|
|
drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
|
||
|
|
if (!drv)
|
||
|
|
return -ENOMEM;
|
||
|
|
snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
|
||
|
|
|
||
|
|
/* register the soc card */
|
||
|
|
snd_soc_card_cht.dev = &pdev->dev;
|
||
|
|
ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
|
||
|
|
if (ret_val) {
|
||
|
|
dev_err(&pdev->dev,
|
||
|
|
"snd_soc_register_card failed %d\n", ret_val);
|
||
|
|
return ret_val;
|
||
|
|
}
|
||
|
|
platform_set_drvdata(pdev, &snd_soc_card_cht);
|
||
|
|
|
||
|
|
return ret_val;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct platform_driver snd_cht_mc_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "cht-bsw-nau8824",
|
||
|
|
},
|
||
|
|
.probe = snd_cht_mc_probe,
|
||
|
|
};
|
||
|
|
|
||
|
|
module_platform_driver(snd_cht_mc_driver);
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
|
||
|
|
MODULE_AUTHOR("Wang, Joseph C <joequant@gmail.com>");
|
||
|
|
MODULE_AUTHOR("John Hsu <KCHSU0@nuvoton.com>");
|
||
|
|
MODULE_LICENSE("GPL v2");
|
||
|
|
MODULE_ALIAS("platform:cht-bsw-nau8824");
|