linux/sound/soc/intel/boards/bytcht_cx2072x.c
Akihiko Odaki 19aed2d6cd
ASoC: soc-card: Create jack kcontrol without pins
snd_soc_card_jack_new() allowed to create jack kcontrol without pins,
but did not create kcontrols. The jack would not have kcontrols if pins
were not going to be added.

This renames the old snd_soc_card_jack_new() to
snd_soc_card_jack_new_pins() for use when pins are provided or will be
added later. The new snd_soc_card_jack_new() appropriately creates a
jack for use without pins and adds a kcontrol.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Link: https://lore.kernel.org/r/20220408041114.6024-1-akihiko.odaki@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-04-14 17:37:21 +01:00

295 lines
8.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
//
// ASoC DPCM Machine driver for Baytrail / Cherrytrail platforms with
// CX2072X codec
//
#include <linux/acpi.h>
#include <linux/device.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/jack.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include "../../codecs/cx2072x.h"
#include "../atom/sst-atom-controls.h"
static const struct snd_soc_dapm_widget byt_cht_cx2072x_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 byt_cht_cx2072x_audio_map[] = {
/* External Speakers: HFL, HFR */
{"Headphone", NULL, "PORTA"},
{"Ext Spk", NULL, "PORTG"},
{"PORTC", NULL, "Int Mic"},
{"PORTD", 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 byt_cht_cx2072x_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 struct snd_soc_jack byt_cht_cx2072x_headset;
/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin byt_cht_cx2072x_headset_pins[] = {
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
{
.pin = "Headphone",
.mask = SND_JACK_HEADPHONE,
},
};
static const struct acpi_gpio_params byt_cht_cx2072x_headset_gpios;
static const struct acpi_gpio_mapping byt_cht_cx2072x_acpi_gpios[] = {
{ "headset-gpios", &byt_cht_cx2072x_headset_gpios, 1 },
{},
};
static int byt_cht_cx2072x_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
int ret;
if (devm_acpi_dev_add_driver_gpios(codec->dev,
byt_cht_cx2072x_acpi_gpios))
dev_warn(rtd->dev, "Unable to add GPIO mapping table\n");
card->dapm.idle_bias_off = true;
/* set the default PLL rate, the clock is handled by the codec driver */
ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(rtd, 0), CX2072X_MCLK_EXTERNAL_PLL,
19200000, SND_SOC_CLOCK_IN);
if (ret) {
dev_err(rtd->dev, "Could not set sysclk\n");
return ret;
}
ret = snd_soc_card_jack_new_pins(card, "Headset",
SND_JACK_HEADSET | SND_JACK_BTN_0,
&byt_cht_cx2072x_headset,
byt_cht_cx2072x_headset_pins,
ARRAY_SIZE(byt_cht_cx2072x_headset_pins));
if (ret)
return ret;
snd_soc_component_set_jack(codec, &byt_cht_cx2072x_headset, NULL);
snd_soc_dai_set_bclk_ratio(asoc_rtd_to_codec(rtd, 0), 50);
return 0;
}
static int byt_cht_cx2072x_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);
int ret;
/* 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 */
params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
/*
* Default mode for SSP configuration is TDM 4 slot, override config
* with explicit setting to I2S 2ch 24-bit. The word length is set with
* dai_set_tdm_slot() since there is no other API exposed
*/
ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0),
SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBC_CFC);
if (ret < 0) {
dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
return ret;
}
ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, 24);
if (ret < 0) {
dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
return ret;
}
return 0;
}
static int byt_cht_cx2072x_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 byt_cht_cx2072x_aif1_ops = {
.startup = byt_cht_cx2072x_aif1_startup,
};
SND_SOC_DAILINK_DEF(dummy,
DAILINK_COMP_ARRAY(COMP_DUMMY()));
SND_SOC_DAILINK_DEF(media,
DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
SND_SOC_DAILINK_DEF(deepbuffer,
DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
SND_SOC_DAILINK_DEF(ssp2,
DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
SND_SOC_DAILINK_DEF(cx2072x,
DAILINK_COMP_ARRAY(COMP_CODEC("i2c-14F10720:00", "cx2072x-hifi")));
SND_SOC_DAILINK_DEF(platform,
DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
static struct snd_soc_dai_link byt_cht_cx2072x_dais[] = {
[MERR_DPCM_AUDIO] = {
.name = "Audio Port",
.stream_name = "Audio",
.nonatomic = true,
.dynamic = 1,
.dpcm_playback = 1,
.dpcm_capture = 1,
.ops = &byt_cht_cx2072x_aif1_ops,
SND_SOC_DAILINK_REG(media, dummy, platform),
},
[MERR_DPCM_DEEP_BUFFER] = {
.name = "Deep-Buffer Audio Port",
.stream_name = "Deep-Buffer Audio",
.nonatomic = true,
.dynamic = 1,
.dpcm_playback = 1,
.ops = &byt_cht_cx2072x_aif1_ops,
SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
},
/* back ends */
{
.name = "SSP2-Codec",
.id = 0,
.no_pcm = 1,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBC_CFC,
.init = byt_cht_cx2072x_init,
.be_hw_params_fixup = byt_cht_cx2072x_fixup,
.dpcm_playback = 1,
.dpcm_capture = 1,
SND_SOC_DAILINK_REG(ssp2, cx2072x, platform),
},
};
/* use space before codec name to simplify card ID, and simplify driver name */
#define SOF_CARD_NAME "bytcht cx2072x" /* card name will be 'sof-bytcht cx2072x' */
#define SOF_DRIVER_NAME "SOF"
#define CARD_NAME "bytcht-cx2072x"
#define DRIVER_NAME NULL /* card name will be used for driver name */
/* SoC card */
static struct snd_soc_card byt_cht_cx2072x_card = {
.name = CARD_NAME,
.driver_name = DRIVER_NAME,
.owner = THIS_MODULE,
.dai_link = byt_cht_cx2072x_dais,
.num_links = ARRAY_SIZE(byt_cht_cx2072x_dais),
.dapm_widgets = byt_cht_cx2072x_widgets,
.num_dapm_widgets = ARRAY_SIZE(byt_cht_cx2072x_widgets),
.dapm_routes = byt_cht_cx2072x_audio_map,
.num_dapm_routes = ARRAY_SIZE(byt_cht_cx2072x_audio_map),
.controls = byt_cht_cx2072x_controls,
.num_controls = ARRAY_SIZE(byt_cht_cx2072x_controls),
};
static char codec_name[SND_ACPI_I2C_ID_LEN];
static int snd_byt_cht_cx2072x_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach;
struct acpi_device *adev;
int dai_index = 0;
bool sof_parent;
int i, ret;
byt_cht_cx2072x_card.dev = &pdev->dev;
mach = dev_get_platdata(&pdev->dev);
/* fix index of codec dai */
for (i = 0; i < ARRAY_SIZE(byt_cht_cx2072x_dais); i++) {
if (!strcmp(byt_cht_cx2072x_dais[i].codecs->name,
"i2c-14F10720:00")) {
dai_index = i;
break;
}
}
/* fixup codec name based on HID */
adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
if (adev) {
snprintf(codec_name, sizeof(codec_name), "i2c-%s",
acpi_dev_name(adev));
put_device(&adev->dev);
byt_cht_cx2072x_dais[dai_index].codecs->name = codec_name;
}
/* override platform name, if required */
ret = snd_soc_fixup_dai_links_platform_name(&byt_cht_cx2072x_card,
mach->mach_params.platform);
if (ret)
return ret;
sof_parent = snd_soc_acpi_sof_parent(&pdev->dev);
/* set card and driver name */
if (sof_parent) {
byt_cht_cx2072x_card.name = SOF_CARD_NAME;
byt_cht_cx2072x_card.driver_name = SOF_DRIVER_NAME;
} else {
byt_cht_cx2072x_card.name = CARD_NAME;
byt_cht_cx2072x_card.driver_name = DRIVER_NAME;
}
/* set pm ops */
if (sof_parent)
pdev->dev.driver->pm = &snd_soc_pm_ops;
return devm_snd_soc_register_card(&pdev->dev, &byt_cht_cx2072x_card);
}
static struct platform_driver snd_byt_cht_cx2072x_driver = {
.driver = {
.name = "bytcht_cx2072x",
},
.probe = snd_byt_cht_cx2072x_probe,
};
module_platform_driver(snd_byt_cht_cx2072x_driver);
MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Machine driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:bytcht_cx2072x");