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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Rockchip machine ASoC driver for boards using a RT5645/RT5650 CODEC.4 *5 * Copyright (c) 2015, ROCKCHIP CORPORATION. All rights reserved.6 */7 8#include <linux/module.h>9#include <linux/platform_device.h>10#include <linux/slab.h>11#include <linux/delay.h>12#include <sound/core.h>13#include <sound/jack.h>14#include <sound/pcm.h>15#include <sound/pcm_params.h>16#include <sound/soc.h>17#include "rockchip_i2s.h"18#include "../codecs/rt5645.h"19 20#define DRV_NAME "rockchip-snd-rt5645"21 22static struct snd_soc_jack headset_jack;23static struct snd_soc_jack_pin headset_jack_pins[] = {24 {25 .pin = "Headphones",26 .mask = SND_JACK_HEADPHONE,27 },28 {29 .pin = "Headset Mic",30 .mask = SND_JACK_MICROPHONE,31 },32};33 34static const struct snd_soc_dapm_widget rk_dapm_widgets[] = {35 SND_SOC_DAPM_HP("Headphones", NULL),36 SND_SOC_DAPM_SPK("Speakers", NULL),37 SND_SOC_DAPM_MIC("Headset Mic", NULL),38 SND_SOC_DAPM_MIC("Int Mic", NULL),39};40 41static const struct snd_soc_dapm_route rk_audio_map[] = {42 /* Input Lines */43 {"DMIC L2", NULL, "Int Mic"},44 {"DMIC R2", NULL, "Int Mic"},45 {"RECMIXL", NULL, "Headset Mic"},46 {"RECMIXR", NULL, "Headset Mic"},47 48 /* Output Lines */49 {"Headphones", NULL, "HPOR"},50 {"Headphones", NULL, "HPOL"},51 {"Speakers", NULL, "SPOL"},52 {"Speakers", NULL, "SPOR"},53};54 55static const struct snd_kcontrol_new rk_mc_controls[] = {56 SOC_DAPM_PIN_SWITCH("Headphones"),57 SOC_DAPM_PIN_SWITCH("Speakers"),58 SOC_DAPM_PIN_SWITCH("Headset Mic"),59 SOC_DAPM_PIN_SWITCH("Int Mic"),60};61 62static int rk_aif1_hw_params(struct snd_pcm_substream *substream,63 struct snd_pcm_hw_params *params)64{65 int ret = 0;66 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);67 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);68 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);69 int mclk;70 71 switch (params_rate(params)) {72 case 8000:73 case 16000:74 case 24000:75 case 32000:76 case 48000:77 case 64000:78 case 96000:79 mclk = 12288000;80 break;81 case 11025:82 case 22050:83 case 44100:84 case 88200:85 mclk = 11289600;86 break;87 default:88 return -EINVAL;89 }90 91 ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,92 SND_SOC_CLOCK_OUT);93 if (ret < 0) {94 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);95 return ret;96 }97 98 ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,99 SND_SOC_CLOCK_IN);100 if (ret < 0) {101 dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);102 return ret;103 }104 105 return ret;106}107 108static int rk_init(struct snd_soc_pcm_runtime *runtime)109{110 struct snd_soc_card *card = runtime->card;111 int ret;112 113 /* Enable Headset and 4 Buttons Jack detection */114 ret = snd_soc_card_jack_new_pins(card, "Headset Jack",115 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |116 SND_JACK_BTN_0 | SND_JACK_BTN_1 |117 SND_JACK_BTN_2 | SND_JACK_BTN_3,118 &headset_jack,119 headset_jack_pins,120 ARRAY_SIZE(headset_jack_pins));121 if (ret) {122 dev_err(card->dev, "New Headset Jack failed! (%d)\n", ret);123 return ret;124 }125 126 return rt5645_set_jack_detect(snd_soc_rtd_to_codec(runtime, 0)->component,127 &headset_jack,128 &headset_jack,129 &headset_jack);130}131 132static const struct snd_soc_ops rk_aif1_ops = {133 .hw_params = rk_aif1_hw_params,134};135 136SND_SOC_DAILINK_DEFS(pcm,137 DAILINK_COMP_ARRAY(COMP_EMPTY()),138 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1")),139 DAILINK_COMP_ARRAY(COMP_EMPTY()));140 141static struct snd_soc_dai_link rk_dailink = {142 .name = "rt5645",143 .stream_name = "rt5645 PCM",144 .init = rk_init,145 .ops = &rk_aif1_ops,146 /* set rt5645 as slave */147 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |148 SND_SOC_DAIFMT_CBS_CFS,149 SND_SOC_DAILINK_REG(pcm),150};151 152static struct snd_soc_card snd_soc_card_rk = {153 .name = "I2S-RT5650",154 .owner = THIS_MODULE,155 .dai_link = &rk_dailink,156 .num_links = 1,157 .dapm_widgets = rk_dapm_widgets,158 .num_dapm_widgets = ARRAY_SIZE(rk_dapm_widgets),159 .dapm_routes = rk_audio_map,160 .num_dapm_routes = ARRAY_SIZE(rk_audio_map),161 .controls = rk_mc_controls,162 .num_controls = ARRAY_SIZE(rk_mc_controls),163};164 165static int snd_rk_mc_probe(struct platform_device *pdev)166{167 int ret = 0;168 struct snd_soc_card *card = &snd_soc_card_rk;169 struct device_node *np = pdev->dev.of_node;170 171 /* register the soc card */172 card->dev = &pdev->dev;173 174 rk_dailink.codecs->of_node = of_parse_phandle(np,175 "rockchip,audio-codec", 0);176 if (!rk_dailink.codecs->of_node) {177 dev_err(&pdev->dev,178 "Property 'rockchip,audio-codec' missing or invalid\n");179 return -EINVAL;180 }181 182 rk_dailink.cpus->of_node = of_parse_phandle(np,183 "rockchip,i2s-controller", 0);184 if (!rk_dailink.cpus->of_node) {185 dev_err(&pdev->dev,186 "Property 'rockchip,i2s-controller' missing or invalid\n");187 ret = -EINVAL;188 goto put_codec_of_node;189 }190 191 rk_dailink.platforms->of_node = rk_dailink.cpus->of_node;192 193 ret = snd_soc_of_parse_card_name(card, "rockchip,model");194 if (ret) {195 dev_err(&pdev->dev,196 "Soc parse card name failed %d\n", ret);197 goto put_cpu_of_node;198 }199 200 ret = devm_snd_soc_register_card(&pdev->dev, card);201 if (ret) {202 dev_err(&pdev->dev,203 "Soc register card failed %d\n", ret);204 goto put_cpu_of_node;205 }206 207 return ret;208 209put_cpu_of_node:210 of_node_put(rk_dailink.cpus->of_node);211 rk_dailink.cpus->of_node = NULL;212put_codec_of_node:213 of_node_put(rk_dailink.codecs->of_node);214 rk_dailink.codecs->of_node = NULL;215 216 return ret;217}218 219static void snd_rk_mc_remove(struct platform_device *pdev)220{221 of_node_put(rk_dailink.cpus->of_node);222 rk_dailink.cpus->of_node = NULL;223 of_node_put(rk_dailink.codecs->of_node);224 rk_dailink.codecs->of_node = NULL;225}226 227static const struct of_device_id rockchip_rt5645_of_match[] = {228 { .compatible = "rockchip,rockchip-audio-rt5645", },229 {},230};231 232MODULE_DEVICE_TABLE(of, rockchip_rt5645_of_match);233 234static struct platform_driver snd_rk_mc_driver = {235 .probe = snd_rk_mc_probe,236 .remove = snd_rk_mc_remove,237 .driver = {238 .name = DRV_NAME,239 .pm = &snd_soc_pm_ops,240 .of_match_table = rockchip_rt5645_of_match,241 },242};243 244module_platform_driver(snd_rk_mc_driver);245 246MODULE_AUTHOR("Xing Zheng <zhengxing@rock-chips.com>");247MODULE_DESCRIPTION("Rockchip rt5645 machine ASoC driver");248MODULE_LICENSE("GPL v2");249MODULE_ALIAS("platform:" DRV_NAME);250