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