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1/*2 * Machine driver for AMD ACP Audio engine using Realtek RT5645 codec3 *4 * Copyright 2017 Advanced Micro Devices, Inc.5 *6 * This file is modified from rt288 machine driver7 *8 * Permission is hereby granted, free of charge, to any person obtaining a9 * copy of this software and associated documentation files (the "Software"),10 * to deal in the Software without restriction, including without limitation11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,12 * and/or sell copies of the Software, and to permit persons to whom the13 * Software is furnished to do so, subject to the following conditions:14 *15 * The above copyright notice and this permission notice shall be included in16 * all copies or substantial portions of the Software.17 *18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL21 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR24 * OTHER DEALINGS IN THE SOFTWARE.25 *26 *27 */28 29#include <sound/core.h>30#include <sound/soc.h>31#include <sound/pcm.h>32#include <sound/pcm_params.h>33#include <sound/soc-dapm.h>34#include <sound/jack.h>35#include <linux/gpio.h>36#include <linux/module.h>37#include <linux/i2c.h>38#include <linux/acpi.h>39 40#include "../codecs/rt5645.h"41 42#define CZ_PLAT_CLK 2400000043 44static struct snd_soc_jack cz_jack;45static struct snd_soc_jack_pin cz_jack_pins[] = {46 {47 .pin = "Headphones",48 .mask = SND_JACK_HEADPHONE,49 },50 {51 .pin = "Headset Mic",52 .mask = SND_JACK_MICROPHONE,53 },54};55 56static int cz_aif1_hw_params(struct snd_pcm_substream *substream,57 struct snd_pcm_hw_params *params)58{59 int ret = 0;60 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);61 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);62 63 ret = snd_soc_dai_set_pll(codec_dai, 0, RT5645_PLL1_S_MCLK,64 CZ_PLAT_CLK, params_rate(params) * 512);65 if (ret < 0) {66 dev_err(rtd->dev, "can't set codec pll: %d\n", ret);67 return ret;68 }69 70 ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1,71 params_rate(params) * 512, SND_SOC_CLOCK_OUT);72 if (ret < 0) {73 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);74 return ret;75 }76 77 return ret;78}79 80static int cz_init(struct snd_soc_pcm_runtime *rtd)81{82 int ret;83 struct snd_soc_card *card;84 struct snd_soc_component *codec;85 86 codec = snd_soc_rtd_to_codec(rtd, 0)->component;87 card = rtd->card;88 89 ret = snd_soc_card_jack_new_pins(card, "Headset Jack",90 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |91 SND_JACK_BTN_0 | SND_JACK_BTN_1 |92 SND_JACK_BTN_2 | SND_JACK_BTN_3,93 &cz_jack,94 cz_jack_pins,95 ARRAY_SIZE(cz_jack_pins));96 if (ret) {97 dev_err(card->dev, "HP jack creation failed %d\n", ret);98 return ret;99 }100 101 rt5645_set_jack_detect(codec, &cz_jack, &cz_jack, &cz_jack);102 103 return 0;104}105 106static const struct snd_soc_ops cz_aif1_ops = {107 .hw_params = cz_aif1_hw_params,108};109 110SND_SOC_DAILINK_DEF(designware1,111 DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1.auto")));112SND_SOC_DAILINK_DEF(designware2,113 DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto")));114 115SND_SOC_DAILINK_DEF(codec,116 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5650:00", "rt5645-aif1")));117 118SND_SOC_DAILINK_DEF(platform,119 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0.auto")));120 121static struct snd_soc_dai_link cz_dai_rt5650[] = {122 {123 .name = "amd-rt5645-play",124 .stream_name = "RT5645_AIF1",125 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF126 | SND_SOC_DAIFMT_CBP_CFP,127 .init = cz_init,128 .ops = &cz_aif1_ops,129 SND_SOC_DAILINK_REG(designware1, codec, platform),130 },131 {132 .name = "amd-rt5645-cap",133 .stream_name = "RT5645_AIF1",134 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF135 | SND_SOC_DAIFMT_CBP_CFP,136 .ops = &cz_aif1_ops,137 SND_SOC_DAILINK_REG(designware2, codec, platform),138 },139};140 141static const struct snd_soc_dapm_widget cz_widgets[] = {142 SND_SOC_DAPM_HP("Headphones", NULL),143 SND_SOC_DAPM_SPK("Speakers", NULL),144 SND_SOC_DAPM_MIC("Headset Mic", NULL),145 SND_SOC_DAPM_MIC("Int Mic", NULL),146};147 148static const struct snd_soc_dapm_route cz_audio_route[] = {149 {"Headphones", NULL, "HPOL"},150 {"Headphones", NULL, "HPOR"},151 {"RECMIXL", NULL, "Headset Mic"},152 {"RECMIXR", NULL, "Headset Mic"},153 {"Speakers", NULL, "SPOL"},154 {"Speakers", NULL, "SPOR"},155 {"DMIC L2", NULL, "Int Mic"},156 {"DMIC R2", NULL, "Int Mic"},157};158 159static const struct snd_kcontrol_new cz_mc_controls[] = {160 SOC_DAPM_PIN_SWITCH("Headphones"),161 SOC_DAPM_PIN_SWITCH("Speakers"),162 SOC_DAPM_PIN_SWITCH("Headset Mic"),163 SOC_DAPM_PIN_SWITCH("Int Mic"),164};165 166static struct snd_soc_card cz_card = {167 .name = "acprt5650",168 .owner = THIS_MODULE,169 .dai_link = cz_dai_rt5650,170 .num_links = ARRAY_SIZE(cz_dai_rt5650),171 .dapm_widgets = cz_widgets,172 .num_dapm_widgets = ARRAY_SIZE(cz_widgets),173 .dapm_routes = cz_audio_route,174 .num_dapm_routes = ARRAY_SIZE(cz_audio_route),175 .controls = cz_mc_controls,176 .num_controls = ARRAY_SIZE(cz_mc_controls),177};178 179static int cz_probe(struct platform_device *pdev)180{181 int ret;182 struct snd_soc_card *card;183 184 card = &cz_card;185 cz_card.dev = &pdev->dev;186 platform_set_drvdata(pdev, card);187 ret = devm_snd_soc_register_card(&pdev->dev, &cz_card);188 if (ret) {189 dev_err(&pdev->dev,190 "devm_snd_soc_register_card(%s) failed: %d\n",191 cz_card.name, ret);192 return ret;193 }194 return 0;195}196 197#ifdef CONFIG_ACPI198static const struct acpi_device_id cz_audio_acpi_match[] = {199 { "AMDI1002", 0 },200 {},201};202MODULE_DEVICE_TABLE(acpi, cz_audio_acpi_match);203#endif204 205static struct platform_driver cz_pcm_driver = {206 .driver = {207 .name = "cz-rt5645",208 .acpi_match_table = ACPI_PTR(cz_audio_acpi_match),209 .pm = &snd_soc_pm_ops,210 },211 .probe = cz_probe,212};213 214module_platform_driver(cz_pcm_driver);215 216MODULE_AUTHOR("akshu.agrawal@amd.com");217MODULE_DESCRIPTION("cz-rt5645 audio support");218MODULE_LICENSE("GPL v2");219