// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2020 Intel Corporation
/*
* ehl_rt5660 - ASOC Machine driver for Elkhart Lake platforms
* with rt5660 codec
*/
#include <linux/acpi.h>
#include <sound/core.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/gfp.h>
#include <sound/jack.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/module.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include "hda_dsp_common.h"
#include "../../codecs/rt5660.h"
#define DUAL_CHANNEL 2
#define HDMI_LINK_START 3
#define HDMI_LINE_END 6
#define NAME_SIZE 32
#define IDISP_CODEC_MASK 0x4
struct sof_card_private {
struct list_head hdmi_pcm_list;
bool idisp_codec;
};
static const struct snd_kcontrol_new rt5660_controls[] = {
SOC_DAPM_PIN_SWITCH("Speaker"),
/* There are two MICBIAS in rt5660, each for one MIC */
SOC_DAPM_PIN_SWITCH("Headset Mic"),
SOC_DAPM_PIN_SWITCH("Headset Mic2"),
SOC_DAPM_PIN_SWITCH("Line Out"),
};
static const struct snd_soc_dapm_widget rt5660_widgets[] = {
SND_SOC_DAPM_SPK("Speaker", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_MIC("Headset Mic2", NULL),
SND_SOC_DAPM_MIC("SoC DMIC", NULL),
SND_SOC_DAPM_LINE("Line Out", NULL),
};
static const struct snd_soc_dapm_route rt5660_map[] = {
{"Speaker", NULL, "SPO"},
{"Headset Mic", NULL, "MICBIAS1"},
{"Headset Mic2", NULL, "MICBIAS2"},
{"IN1P", NULL, "Headset Mic"},
{"IN2P", NULL, "Headset Mic2"},
{"Line Out", NULL, "LOUTL"},
{"Line Out", NULL, "LOUTR"},
{"DMic", NULL, "SoC DMIC"},
};
struct sof_hdmi_pcm {
struct list_head head;
struct snd_soc_dai *codec_dai;
int device;
};
static int hdmi_init(struct snd_soc_pcm_runtime *rtd)
{
struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
struct sof_hdmi_pcm *pcm;
pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
if (!pcm)
return -ENOMEM;
/* dai_link id is 1:1 mapped to the PCM device */
pcm->device = rtd->dai_link->id;
pcm->codec_dai = dai;
list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
return 0;
}
static int card_late_probe(struct snd_soc_card *card)
{
struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
struct sof_hdmi_pcm *pcm;
if (list_empty(&ctx->hdmi_pcm_list))
return -ENOENT;
if (!ctx->idisp_codec)
return 0;
pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head);
return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component);
}
static int rt5660_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
int ret;
ret = snd_soc_dai_set_sysclk(codec_dai,
RT5660_SCLK_S_PLL1,
params_rate(params) * 512,
SND_SOC_CLOCK_IN);
if (ret < 0) {
dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
return ret;
}
ret = snd_soc_dai_set_pll(codec_dai, 0,
RT5660_PLL1_S_BCLK,
params_rate(params) * 50,
params_rate(params) * 512);
if (ret < 0)
dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret);
return ret;
}
static const struct snd_soc_ops rt5660_ops = {
.hw_params = rt5660_hw_params,
};
SND_SOC_DAILINK_DEF(ssp0_pin,
DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
SND_SOC_DAILINK_DEF(rt5660_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5660:00", "rt5660-aif1")));
SND_SOC_DAILINK_DEF(platform,
DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
SND_SOC_DAILINK_DEF(dmic_pin,
DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
SND_SOC_DAILINK_DEF(dmic_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
SND_SOC_DAILINK_DEF(dmic16k,
DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));
SND_SOC_DAILINK_DEF(idisp1_pin,
DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
SND_SOC_DAILINK_DEF(idisp1_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
SND_SOC_DAILINK_DEF(idisp2_pin,
DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
SND_SOC_DAILINK_DEF(idisp2_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
SND_SOC_DAILINK_DEF(idisp3_pin,
DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
SND_SOC_DAILINK_DEF(idisp3_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
SND_SOC_DAILINK_DEF(idisp4_pin,
DAILINK_COMP_ARRAY(COMP_CPU("iDisp4 Pin")));
SND_SOC_DAILINK_DEF(idisp4_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi4")));
static struct snd_soc_dai_link ehl_rt5660_dailink[] = {
/* back ends */
{
.name = "SSP0-Codec",
.id = 0,
.no_pcm = 1,
.dpcm_playback = 1,
.dpcm_capture = 1,
.ops = &rt5660_ops,
SND_SOC_DAILINK_REG(ssp0_pin, rt5660_codec, platform),
},
{
.name = "dmic48k",
.id = 1,
.ignore_suspend = 1,
.dpcm_capture = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
},
{
.name = "dmic16k",
.id = 2,
.ignore_suspend = 1,
.dpcm_capture = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(dmic16k, dmic_codec, platform),
},
{
.name = "iDisp1",
.id = 5,
.init = hdmi_init,
.dpcm_playback = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
},
{
.name = "iDisp2",
.id = 6,
.init = hdmi_init,
.dpcm_playback = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
},
{
.name = "iDisp3",
.id = 7,
.init = hdmi_init,
.dpcm_playback = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
},
{
.name = "iDisp4",
.id = 8,
.init = hdmi_init,
.dpcm_playback = 1,
.no_pcm = 1,
SND_SOC_DAILINK_REG(idisp4_pin, idisp4_codec, platform),
},
};
/* SoC card */
static struct snd_soc_card snd_soc_card_ehl_rt5660 = {
.name = "ehl-rt5660",
.owner = THIS_MODULE,
.dai_link = ehl_rt5660_dailink,
.num_links = ARRAY_SIZE(ehl_rt5660_dailink),
.dapm_widgets = rt5660_widgets,
.num_dapm_widgets = ARRAY_SIZE(rt5660_widgets),
.dapm_routes = rt5660_map,
.num_dapm_routes = ARRAY_SIZE(rt5660_map),
.controls = rt5660_controls,
.num_controls = ARRAY_SIZE(rt5660_controls),
.fully_routed = true,
.late_probe = card_late_probe,
};
/* If hdmi codec is not supported, switch to use dummy codec */
static void hdmi_link_init(struct snd_soc_card *card,
struct sof_card_private *ctx,
struct snd_soc_acpi_mach *mach)
{
int i;
if (mach->mach_params.codec_mask & IDISP_CODEC_MASK) {
ctx->idisp_codec = true;
return;
}
/*
* if HDMI is not enabled in kernel config, or
* hdmi codec is not supported
*/
for (i = HDMI_LINK_START; i <= HDMI_LINE_END; i++)
card->dai_link[i].codecs[0] = snd_soc_dummy_dlc;
}
static int snd_ehl_rt5660_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach;
struct snd_soc_card *card = &snd_soc_card_ehl_rt5660;
struct sof_card_private *ctx;
int ret;
card->dev = &pdev->dev;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
snd_soc_card_set_drvdata(card, ctx);
mach = pdev->dev.platform_data;
ret = snd_soc_fixup_dai_links_platform_name(card,
mach->mach_params.platform);
if (ret)
return ret;
hdmi_link_init(card, ctx, mach);
return devm_snd_soc_register_card(&pdev->dev, card);
}
static const struct platform_device_id ehl_board_ids[] = {
{ .name = "ehl_rt5660" },
{ }
};
MODULE_DEVICE_TABLE(platform, ehl_board_ids);
static struct platform_driver snd_ehl_rt5660_driver = {
.driver = {
.name = "ehl_rt5660",
.pm = &snd_soc_pm_ops,
},
.probe = snd_ehl_rt5660_probe,
.id_table = ehl_board_ids,
};
module_platform_driver(snd_ehl_rt5660_driver);
MODULE_DESCRIPTION("ASoC Intel(R) Elkhartlake + rt5660 Machine driver");
MODULE_AUTHOR("[email protected]");
MODULE_LICENSE("GPL v2");
MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
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