132 lines
3.3 KiB
C
132 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
// Copyright (c) 2023 Intel Corporation
|
|
|
|
/*
|
|
* sof_sdw_cs42l42 - Helpers to handle CS42L42 from generic machine driver
|
|
*/
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/input.h>
|
|
#include <linux/soundwire/sdw.h>
|
|
#include <linux/soundwire/sdw_type.h>
|
|
#include <sound/control.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/soc-acpi.h>
|
|
#include <sound/soc-dapm.h>
|
|
#include <sound/jack.h>
|
|
#include "sof_sdw_common.h"
|
|
|
|
static const struct snd_soc_dapm_widget cs42l42_widgets[] = {
|
|
SND_SOC_DAPM_HP("Headphone", NULL),
|
|
SND_SOC_DAPM_MIC("Headset Mic", NULL),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route cs42l42_map[] = {
|
|
/* HP jack connectors - unknown if we have jack detection */
|
|
{"Headphone", NULL, "cs42l42 HP"},
|
|
|
|
/* other jacks */
|
|
{"cs42l42 HS", NULL, "Headset Mic"},
|
|
};
|
|
|
|
static const struct snd_kcontrol_new cs42l42_controls[] = {
|
|
SOC_DAPM_PIN_SWITCH("Headphone"),
|
|
SOC_DAPM_PIN_SWITCH("Headset Mic"),
|
|
};
|
|
|
|
static struct snd_soc_jack_pin cs42l42_jack_pins[] = {
|
|
{
|
|
.pin = "Headphone",
|
|
.mask = SND_JACK_HEADPHONE,
|
|
},
|
|
{
|
|
.pin = "Headset Mic",
|
|
.mask = SND_JACK_MICROPHONE,
|
|
},
|
|
};
|
|
|
|
static int cs42l42_rtd_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct snd_soc_card *card = rtd->card;
|
|
struct mc_private *ctx = snd_soc_card_get_drvdata(card);
|
|
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
|
|
struct snd_soc_component *component = codec_dai->component;
|
|
struct snd_soc_jack *jack;
|
|
int ret;
|
|
|
|
card->components = devm_kasprintf(card->dev, GFP_KERNEL,
|
|
"%s hs:cs42l42",
|
|
card->components);
|
|
if (!card->components)
|
|
return -ENOMEM;
|
|
|
|
ret = snd_soc_add_card_controls(card, cs42l42_controls,
|
|
ARRAY_SIZE(cs42l42_controls));
|
|
if (ret) {
|
|
dev_err(card->dev, "cs42l42 control addition failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = snd_soc_dapm_new_controls(&card->dapm, cs42l42_widgets,
|
|
ARRAY_SIZE(cs42l42_widgets));
|
|
if (ret) {
|
|
dev_err(card->dev, "cs42l42 widgets addition failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = snd_soc_dapm_add_routes(&card->dapm, cs42l42_map,
|
|
ARRAY_SIZE(cs42l42_map));
|
|
|
|
if (ret) {
|
|
dev_err(card->dev, "cs42l42 map addition failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
|
|
SND_JACK_HEADSET | SND_JACK_BTN_0 |
|
|
SND_JACK_BTN_1 | SND_JACK_BTN_2 |
|
|
SND_JACK_BTN_3,
|
|
&ctx->sdw_headset,
|
|
cs42l42_jack_pins,
|
|
ARRAY_SIZE(cs42l42_jack_pins));
|
|
if (ret) {
|
|
dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
jack = &ctx->sdw_headset;
|
|
|
|
snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
|
|
snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
|
|
snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
|
|
snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
|
|
|
|
ret = snd_soc_component_set_jack(component, jack, NULL);
|
|
|
|
if (ret)
|
|
dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
|
|
ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int sof_sdw_cs42l42_init(struct snd_soc_card *card,
|
|
const struct snd_soc_acpi_link_adr *link,
|
|
struct snd_soc_dai_link *dai_links,
|
|
struct sof_sdw_codec_info *info,
|
|
bool playback)
|
|
{
|
|
/*
|
|
* headset should be initialized once.
|
|
* Do it with dai link for playback.
|
|
*/
|
|
if (!playback)
|
|
return 0;
|
|
|
|
dai_links->init = cs42l42_rtd_init;
|
|
|
|
return 0;
|
|
}
|