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ASoC: Intel: sof_sdw: Add helper function for cs42l42 codec

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Helper functions added to support CS42l42 soundwire codec.
Build configuration is updated to include this codec.

Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Uday M Bhat <uday.m.bhat@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20230602202225.249209-24-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Uday M Bhat 2023-06-02 15:22:20 -05:00 committed by Mark Brown
parent 5dc51e5045
commit 43cdea08a4
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
5 changed files with 153 additions and 0 deletions
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1
sound/soc/intel/boards/Kconfig
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@ -676,6 +676,7 @@ config SND_SOC_INTEL_SOUNDWIRE_SOF_MACH
select SND_SOC_RT715_SDW
select SND_SOC_RT715_SDCA_SDW
select SND_SOC_RT5682_SDW
select SND_SOC_CS42L42_SDW
select SND_SOC_DMIC
select SND_SOC_INTEL_HDA_DSP_COMMON
select SND_SOC_INTEL_SOF_MAXIM_COMMON

1
sound/soc/intel/boards/Makefile
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@ -42,6 +42,7 @@ snd-soc-sof-sdw-objs += sof_sdw.o \
sof_sdw_rt711.o sof_sdw_rt_sdca_jack_common.o \
sof_sdw_rt712_sdca.o sof_sdw_rt715.o \
sof_sdw_rt715_sdca.o sof_sdw_dmic.o \
sof_sdw_cs42l42.o \
sof_sdw_hdmi.o
obj-$(CONFIG_SND_SOC_INTEL_SOF_RT5682_MACH) += snd-soc-sof_rt5682.o
obj-$(CONFIG_SND_SOC_INTEL_SOF_CS42L42_MACH) += snd-soc-sof_cs42l42.o

13
sound/soc/intel/boards/sof_sdw.c
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@ -823,6 +823,19 @@ static struct sof_sdw_codec_info codec_info_list[] = {
},
.dai_num = 1,
},
{
.part_id = 0x4242,
.dais = {
{
.direction = {true, true},
.dai_name = "cs42l42-sdw",
.dai_type = SOF_SDW_DAI_TYPE_JACK,
.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
.init = sof_sdw_cs42l42_init,
},
},
.dai_num = 1,
},
{
.part_id = 0xaaaa, /* generic codec mockup */
.version_id = 0,

7
sound/soc/intel/boards/sof_sdw_common.h
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@ -196,4 +196,11 @@ int sof_sdw_rt5682_init(struct snd_soc_card *card,
struct sof_sdw_codec_info *info,
bool playback);
/* CS42L42 support */
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);
#endif

131
sound/soc/intel/boards/sof_sdw_cs42l42.c Normal file
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@ -0,0 +1,131 @@
// 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_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);
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;
}