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1// SPDX-License-Identifier: GPL-2.0-only2// Copyright (c) 2020 Intel Corporation3 4/*5 * ehl_rt5660 - ASOC Machine driver for Elkhart Lake platforms6 * with rt5660 codec7 */8 9#include <linux/acpi.h>10#include <sound/core.h>11#include <linux/device.h>12#include <linux/errno.h>13#include <linux/gfp.h>14#include <sound/jack.h>15#include <linux/kernel.h>16#include <linux/list.h>17#include <linux/module.h>18#include <sound/pcm.h>19#include <sound/pcm_params.h>20#include <sound/soc.h>21#include <sound/soc-acpi.h>22 23#include "hda_dsp_common.h"24#include "../../codecs/rt5660.h"25 26#define DUAL_CHANNEL 227#define HDMI_LINK_START 328#define HDMI_LINE_END 629#define NAME_SIZE 3230#define IDISP_CODEC_MASK 0x431 32struct sof_card_private {33 struct list_head hdmi_pcm_list;34 bool idisp_codec;35};36 37static const struct snd_kcontrol_new rt5660_controls[] = {38 SOC_DAPM_PIN_SWITCH("Speaker"),39 /* There are two MICBIAS in rt5660, each for one MIC */40 SOC_DAPM_PIN_SWITCH("Headset Mic"),41 SOC_DAPM_PIN_SWITCH("Headset Mic2"),42 SOC_DAPM_PIN_SWITCH("Line Out"),43};44 45static const struct snd_soc_dapm_widget rt5660_widgets[] = {46 SND_SOC_DAPM_SPK("Speaker", NULL),47 SND_SOC_DAPM_MIC("Headset Mic", NULL),48 SND_SOC_DAPM_MIC("Headset Mic2", NULL),49 SND_SOC_DAPM_MIC("SoC DMIC", NULL),50 SND_SOC_DAPM_LINE("Line Out", NULL),51};52 53static const struct snd_soc_dapm_route rt5660_map[] = {54 {"Speaker", NULL, "SPO"},55 56 {"Headset Mic", NULL, "MICBIAS1"},57 {"Headset Mic2", NULL, "MICBIAS2"},58 59 {"IN1P", NULL, "Headset Mic"},60 {"IN2P", NULL, "Headset Mic2"},61 62 {"Line Out", NULL, "LOUTL"},63 {"Line Out", NULL, "LOUTR"},64 65 {"DMic", NULL, "SoC DMIC"},66};67 68struct sof_hdmi_pcm {69 struct list_head head;70 struct snd_soc_dai *codec_dai;71 int device;72};73 74static int hdmi_init(struct snd_soc_pcm_runtime *rtd)75{76 struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);77 struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);78 struct sof_hdmi_pcm *pcm;79 80 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);81 if (!pcm)82 return -ENOMEM;83 84 /* dai_link id is 1:1 mapped to the PCM device */85 pcm->device = rtd->dai_link->id;86 pcm->codec_dai = dai;87 88 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);89 90 return 0;91}92 93static int card_late_probe(struct snd_soc_card *card)94{95 struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);96 struct sof_hdmi_pcm *pcm;97 98 if (list_empty(&ctx->hdmi_pcm_list))99 return -ENOENT;100 101 if (!ctx->idisp_codec)102 return 0;103 104 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head);105 106 return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component);107}108 109static int rt5660_hw_params(struct snd_pcm_substream *substream,110 struct snd_pcm_hw_params *params)111{112 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);113 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);114 int ret;115 116 ret = snd_soc_dai_set_sysclk(codec_dai,117 RT5660_SCLK_S_PLL1,118 params_rate(params) * 512,119 SND_SOC_CLOCK_IN);120 if (ret < 0) {121 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);122 return ret;123 }124 125 ret = snd_soc_dai_set_pll(codec_dai, 0,126 RT5660_PLL1_S_BCLK,127 params_rate(params) * 50,128 params_rate(params) * 512);129 if (ret < 0)130 dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret);131 132 return ret;133}134 135static const struct snd_soc_ops rt5660_ops = {136 .hw_params = rt5660_hw_params,137};138 139SND_SOC_DAILINK_DEF(ssp0_pin,140 DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));141 142SND_SOC_DAILINK_DEF(rt5660_codec,143 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5660:00", "rt5660-aif1")));144 145SND_SOC_DAILINK_DEF(platform,146 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));147 148SND_SOC_DAILINK_DEF(dmic_pin,149 DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));150SND_SOC_DAILINK_DEF(dmic_codec,151 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));152SND_SOC_DAILINK_DEF(dmic16k,153 DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));154 155SND_SOC_DAILINK_DEF(idisp1_pin,156 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));157SND_SOC_DAILINK_DEF(idisp1_codec,158 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));159 160SND_SOC_DAILINK_DEF(idisp2_pin,161 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));162SND_SOC_DAILINK_DEF(idisp2_codec,163 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));164 165SND_SOC_DAILINK_DEF(idisp3_pin,166 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));167SND_SOC_DAILINK_DEF(idisp3_codec,168 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));169 170SND_SOC_DAILINK_DEF(idisp4_pin,171 DAILINK_COMP_ARRAY(COMP_CPU("iDisp4 Pin")));172SND_SOC_DAILINK_DEF(idisp4_codec,173 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi4")));174 175static struct snd_soc_dai_link ehl_rt5660_dailink[] = {176 /* back ends */177 {178 .name = "SSP0-Codec",179 .id = 0,180 .no_pcm = 1,181 .dpcm_playback = 1,182 .dpcm_capture = 1,183 .ops = &rt5660_ops,184 SND_SOC_DAILINK_REG(ssp0_pin, rt5660_codec, platform),185 },186 {187 .name = "dmic48k",188 .id = 1,189 .ignore_suspend = 1,190 .dpcm_capture = 1,191 .no_pcm = 1,192 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),193 },194 {195 .name = "dmic16k",196 .id = 2,197 .ignore_suspend = 1,198 .dpcm_capture = 1,199 .no_pcm = 1,200 SND_SOC_DAILINK_REG(dmic16k, dmic_codec, platform),201 },202 {203 .name = "iDisp1",204 .id = 5,205 .init = hdmi_init,206 .dpcm_playback = 1,207 .no_pcm = 1,208 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),209 },210 {211 .name = "iDisp2",212 .id = 6,213 .init = hdmi_init,214 .dpcm_playback = 1,215 .no_pcm = 1,216 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),217 },218 {219 .name = "iDisp3",220 .id = 7,221 .init = hdmi_init,222 .dpcm_playback = 1,223 .no_pcm = 1,224 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),225 },226 {227 .name = "iDisp4",228 .id = 8,229 .init = hdmi_init,230 .dpcm_playback = 1,231 .no_pcm = 1,232 SND_SOC_DAILINK_REG(idisp4_pin, idisp4_codec, platform),233 },234};235 236/* SoC card */237static struct snd_soc_card snd_soc_card_ehl_rt5660 = {238 .name = "ehl-rt5660",239 .owner = THIS_MODULE,240 .dai_link = ehl_rt5660_dailink,241 .num_links = ARRAY_SIZE(ehl_rt5660_dailink),242 .dapm_widgets = rt5660_widgets,243 .num_dapm_widgets = ARRAY_SIZE(rt5660_widgets),244 .dapm_routes = rt5660_map,245 .num_dapm_routes = ARRAY_SIZE(rt5660_map),246 .controls = rt5660_controls,247 .num_controls = ARRAY_SIZE(rt5660_controls),248 .fully_routed = true,249 .late_probe = card_late_probe,250};251 252/* If hdmi codec is not supported, switch to use dummy codec */253static void hdmi_link_init(struct snd_soc_card *card,254 struct sof_card_private *ctx,255 struct snd_soc_acpi_mach *mach)256{257 int i;258 259 if (mach->mach_params.codec_mask & IDISP_CODEC_MASK) {260 ctx->idisp_codec = true;261 return;262 }263 264 /*265 * if HDMI is not enabled in kernel config, or266 * hdmi codec is not supported267 */268 for (i = HDMI_LINK_START; i <= HDMI_LINE_END; i++)269 card->dai_link[i].codecs[0] = snd_soc_dummy_dlc;270}271 272static int snd_ehl_rt5660_probe(struct platform_device *pdev)273{274 struct snd_soc_acpi_mach *mach;275 struct snd_soc_card *card = &snd_soc_card_ehl_rt5660;276 struct sof_card_private *ctx;277 int ret;278 279 card->dev = &pdev->dev;280 281 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);282 if (!ctx)283 return -ENOMEM;284 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);285 snd_soc_card_set_drvdata(card, ctx);286 287 mach = pdev->dev.platform_data;288 ret = snd_soc_fixup_dai_links_platform_name(card,289 mach->mach_params.platform);290 if (ret)291 return ret;292 293 hdmi_link_init(card, ctx, mach);294 295 return devm_snd_soc_register_card(&pdev->dev, card);296}297 298static const struct platform_device_id ehl_board_ids[] = {299 { .name = "ehl_rt5660" },300 { }301};302MODULE_DEVICE_TABLE(platform, ehl_board_ids);303 304static struct platform_driver snd_ehl_rt5660_driver = {305 .driver = {306 .name = "ehl_rt5660",307 .pm = &snd_soc_pm_ops,308 },309 .probe = snd_ehl_rt5660_probe,310 .id_table = ehl_board_ids,311};312 313module_platform_driver(snd_ehl_rt5660_driver);314 315MODULE_DESCRIPTION("ASoC Intel(R) Elkhartlake + rt5660 Machine driver");316MODULE_AUTHOR("libin.yang@intel.com");317MODULE_LICENSE("GPL v2");318MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);319