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// SPDX-License-Identifier: GPL-2.0-only
/*
* This file defines data structures and functions used in Machine
* Driver for Intel platforms with Cirrus Logic Codecs.
*
* Copyright 2022 Intel Corporation.
*/
#include <linux/module.h>
#include <sound/sof.h>
#include "../../codecs/cs35l41.h"
#include "sof_cirrus_common.h"
/*
* Cirrus Logic CS35L41/CS35L53
*/
static const struct snd_kcontrol_new cs35l41_kcontrols[] = {
SOC_DAPM_PIN_SWITCH("WL Spk"),
SOC_DAPM_PIN_SWITCH("WR Spk"),
SOC_DAPM_PIN_SWITCH("TL Spk"),
SOC_DAPM_PIN_SWITCH("TR Spk"),
};
static const struct snd_soc_dapm_widget cs35l41_dapm_widgets[] = {
SND_SOC_DAPM_SPK("WL Spk", NULL),
SND_SOC_DAPM_SPK("WR Spk", NULL),
SND_SOC_DAPM_SPK("TL Spk", NULL),
SND_SOC_DAPM_SPK("TR Spk", NULL),
};
static const struct snd_soc_dapm_route cs35l41_dapm_routes[] = {
/* speaker */
{"WL Spk", NULL, "WL SPK"},
{"WR Spk", NULL, "WR SPK"},
{"TL Spk", NULL, "TL SPK"},
{"TR Spk", NULL, "TR SPK"},
};
static struct snd_soc_dai_link_component cs35l41_components[] = {
{
.name = CS35L41_DEV0_NAME,
.dai_name = CS35L41_CODEC_DAI,
},
{
.name = CS35L41_DEV1_NAME,
.dai_name = CS35L41_CODEC_DAI,
},
{
.name = CS35L41_DEV2_NAME,
.dai_name = CS35L41_CODEC_DAI,
},
{
.name = CS35L41_DEV3_NAME,
.dai_name = CS35L41_CODEC_DAI,
},
};
/*
* Mapping between ACPI instance id and speaker position.
*
* Four speakers:
* 0: Tweeter left, 1: Woofer left
* 2: Tweeter right, 3: Woofer right
*/
static struct snd_soc_codec_conf cs35l41_codec_conf[] = {
{
.dlc = COMP_CODEC_CONF(CS35L41_DEV0_NAME),
.name_prefix = "TL",
},
{
.dlc = COMP_CODEC_CONF(CS35L41_DEV1_NAME),
.name_prefix = "WL",
},
{
.dlc = COMP_CODEC_CONF(CS35L41_DEV2_NAME),
.name_prefix = "TR",
},
{
.dlc = COMP_CODEC_CONF(CS35L41_DEV3_NAME),
.name_prefix = "WR",
},
};
static int cs35l41_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
int ret;
ret = snd_soc_dapm_new_controls(&card->dapm, cs35l41_dapm_widgets,
ARRAY_SIZE(cs35l41_dapm_widgets));
if (ret) {
dev_err(rtd->dev, "fail to add dapm controls, ret %d\n", ret);
return ret;
}
ret = snd_soc_add_card_controls(card, cs35l41_kcontrols,
ARRAY_SIZE(cs35l41_kcontrols));
if (ret) {
dev_err(rtd->dev, "fail to add card controls, ret %d\n", ret);
return ret;
}
ret = snd_soc_dapm_add_routes(&card->dapm, cs35l41_dapm_routes,
ARRAY_SIZE(cs35l41_dapm_routes));
if (ret)
dev_err(rtd->dev, "fail to add dapm routes, ret %d\n", ret);
return ret;
}
/*
* Channel map:
*
* TL/WL: ASPRX1 on slot 0, ASPRX2 on slot 1 (default)
* TR/WR: ASPRX1 on slot 1, ASPRX2 on slot 0
*/
static const struct {
unsigned int rx[2];
} cs35l41_channel_map[] = {
{.rx = {0, 1}}, /* TL */
{.rx = {0, 1}}, /* WL */
{.rx = {1, 0}}, /* TR */
{.rx = {1, 0}}, /* WR */
};
static int cs35l41_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_dai *codec_dai;
int clk_freq, i, ret;
clk_freq = sof_dai_get_bclk(rtd); /* BCLK freq */
if (clk_freq <= 0) {
dev_err(rtd->dev, "fail to get bclk freq, ret %d\n", clk_freq);
return -EINVAL;
}
for_each_rtd_codec_dais(rtd, i, codec_dai) {
/* call dai driver's set_sysclk() callback */
ret = snd_soc_dai_set_sysclk(codec_dai, CS35L41_CLKID_SCLK,
clk_freq, SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(codec_dai->dev, "fail to set sysclk, ret %d\n",
ret);
return ret;
}
/* call component driver's set_sysclk() callback */
ret = snd_soc_component_set_sysclk(codec_dai->component,
CS35L41_CLKID_SCLK, 0,
clk_freq, SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(codec_dai->dev, "fail to set component sysclk, ret %d\n",
ret);
return ret;
}
/* setup channel map */
ret = snd_soc_dai_set_channel_map(codec_dai, 0, NULL,
ARRAY_SIZE(cs35l41_channel_map[i].rx),
(unsigned int *)cs35l41_channel_map[i].rx);
if (ret < 0) {
dev_err(codec_dai->dev, "fail to set channel map, ret %d\n",
ret);
return ret;
}
}
return 0;
}
static const struct snd_soc_ops cs35l41_ops = {
.hw_params = cs35l41_hw_params,
};
void cs35l41_set_dai_link(struct snd_soc_dai_link *link)
{
link->codecs = cs35l41_components;
link->num_codecs = ARRAY_SIZE(cs35l41_components);
link->init = cs35l41_init;
link->ops = &cs35l41_ops;
}
EXPORT_SYMBOL_NS(cs35l41_set_dai_link, SND_SOC_INTEL_SOF_CIRRUS_COMMON);
void cs35l41_set_codec_conf(struct snd_soc_card *card)
{
card->codec_conf = cs35l41_codec_conf;
card->num_configs = ARRAY_SIZE(cs35l41_codec_conf);
}
EXPORT_SYMBOL_NS(cs35l41_set_codec_conf, SND_SOC_INTEL_SOF_CIRRUS_COMMON);
MODULE_DESCRIPTION("ASoC Intel SOF Cirrus Logic helpers");
MODULE_LICENSE("GPL");
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