1// SPDX-License-Identifier: GPL-2.0 2/* 3 * mt8173-rt5650-rt5514.c -- MT8173 machine driver with RT5650/5514 codecs 4 * 5 * Copyright (c) 2016 MediaTek Inc. 6 * Author: Koro Chen <koro.chen@mediatek.com> 7 */ 8 9#include <linux/module.h> 10#include <linux/gpio.h> 11#include <linux/of_gpio.h> 12#include <sound/soc.h> 13#include <sound/jack.h> 14#include "../../codecs/rt5645.h" 15 16#define MCLK_FOR_CODECS 12288000 17 18static const struct snd_soc_dapm_widget mt8173_rt5650_rt5514_widgets[] = { 19 SND_SOC_DAPM_SPK("Speaker", NULL), 20 SND_SOC_DAPM_MIC("Int Mic", NULL), 21 SND_SOC_DAPM_HP("Headphone", NULL), 22 SND_SOC_DAPM_MIC("Headset Mic", NULL), 23}; 24 25static const struct snd_soc_dapm_route mt8173_rt5650_rt5514_routes[] = { 26 {"Speaker", NULL, "SPOL"}, 27 {"Speaker", NULL, "SPOR"}, 28 {"Sub DMIC1L", NULL, "Int Mic"}, 29 {"Sub DMIC1R", NULL, "Int Mic"}, 30 {"Headphone", NULL, "HPOL"}, 31 {"Headphone", NULL, "HPOR"}, 32 {"IN1P", NULL, "Headset Mic"}, 33 {"IN1N", NULL, "Headset Mic"}, 34}; 35 36static const struct snd_kcontrol_new mt8173_rt5650_rt5514_controls[] = { 37 SOC_DAPM_PIN_SWITCH("Speaker"), 38 SOC_DAPM_PIN_SWITCH("Int Mic"), 39 SOC_DAPM_PIN_SWITCH("Headphone"), 40 SOC_DAPM_PIN_SWITCH("Headset Mic"), 41}; 42 43static struct snd_soc_jack_pin mt8173_rt5650_rt5514_jack_pins[] = { 44 { 45 .pin = "Headphone", 46 .mask = SND_JACK_HEADPHONE, 47 }, 48 { 49 .pin = "Headset Mic", 50 .mask = SND_JACK_MICROPHONE, 51 }, 52}; 53 54static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream, 55 struct snd_pcm_hw_params *params) 56{ 57 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 58 struct snd_soc_dai *codec_dai; 59 int i, ret; 60 61 for_each_rtd_codec_dais(rtd, i, codec_dai) { 62 /* pll from mclk 12.288M */ 63 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS, 64 params_rate(params) * 512); 65 if (ret) 66 return ret; 67 68 /* sysclk from pll */ 69 ret = snd_soc_dai_set_sysclk(codec_dai, 1, 70 params_rate(params) * 512, 71 SND_SOC_CLOCK_IN); 72 if (ret) 73 return ret; 74 } 75 return 0; 76} 77 78static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = { 79 .hw_params = mt8173_rt5650_rt5514_hw_params, 80}; 81 82static struct snd_soc_jack mt8173_rt5650_rt5514_jack; 83 84static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime) 85{ 86 struct snd_soc_card *card = runtime->card; 87 struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component; 88 int ret; 89 90 rt5645_sel_asrc_clk_src(component, 91 RT5645_DA_STEREO_FILTER | 92 RT5645_AD_STEREO_FILTER, 93 RT5645_CLK_SEL_I2S1_ASRC); 94 95 /* enable jack detection */ 96 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", 97 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | 98 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 99 SND_JACK_BTN_2 | SND_JACK_BTN_3, 100 &mt8173_rt5650_rt5514_jack, 101 mt8173_rt5650_rt5514_jack_pins, 102 ARRAY_SIZE(mt8173_rt5650_rt5514_jack_pins)); 103 if (ret) { 104 dev_err(card->dev, "Can't new Headset Jack %d\n", ret); 105 return ret; 106 } 107 108 return rt5645_set_jack_detect(component, 109 &mt8173_rt5650_rt5514_jack, 110 &mt8173_rt5650_rt5514_jack, 111 &mt8173_rt5650_rt5514_jack); 112} 113 114enum { 115 DAI_LINK_PLAYBACK, 116 DAI_LINK_CAPTURE, 117 DAI_LINK_CODEC_I2S, 118}; 119 120SND_SOC_DAILINK_DEFS(playback, 121 DAILINK_COMP_ARRAY(COMP_CPU("DL1")), 122 DAILINK_COMP_ARRAY(COMP_DUMMY()), 123 DAILINK_COMP_ARRAY(COMP_EMPTY())); 124 125SND_SOC_DAILINK_DEFS(capture, 126 DAILINK_COMP_ARRAY(COMP_CPU("VUL")), 127 DAILINK_COMP_ARRAY(COMP_DUMMY()), 128 DAILINK_COMP_ARRAY(COMP_EMPTY())); 129 130SND_SOC_DAILINK_DEFS(codec, 131 DAILINK_COMP_ARRAY(COMP_CPU("I2S")), 132 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"), 133 COMP_CODEC(NULL, "rt5514-aif1")), 134 DAILINK_COMP_ARRAY(COMP_EMPTY())); 135 136/* Digital audio interface glue - connects codec <---> CPU */ 137static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = { 138 /* Front End DAI links */ 139 [DAI_LINK_PLAYBACK] = { 140 .name = "rt5650_rt5514 Playback", 141 .stream_name = "rt5650_rt5514 Playback", 142 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 143 .dynamic = 1, 144 .dpcm_playback = 1, 145 SND_SOC_DAILINK_REG(playback), 146 }, 147 [DAI_LINK_CAPTURE] = { 148 .name = "rt5650_rt5514 Capture", 149 .stream_name = "rt5650_rt5514 Capture", 150 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 151 .dynamic = 1, 152 .dpcm_capture = 1, 153 SND_SOC_DAILINK_REG(capture), 154 }, 155 /* Back End DAI links */ 156 [DAI_LINK_CODEC_I2S] = { 157 .name = "Codec", 158 .no_pcm = 1, 159 .init = mt8173_rt5650_rt5514_init, 160 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 161 SND_SOC_DAIFMT_CBS_CFS, 162 .ops = &mt8173_rt5650_rt5514_ops, 163 .ignore_pmdown_time = 1, 164 .dpcm_playback = 1, 165 .dpcm_capture = 1, 166 SND_SOC_DAILINK_REG(codec), 167 }, 168}; 169 170static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = { 171 { 172 .name_prefix = "Sub", 173 }, 174}; 175 176static struct snd_soc_card mt8173_rt5650_rt5514_card = { 177 .name = "mtk-rt5650-rt5514", 178 .owner = THIS_MODULE, 179 .dai_link = mt8173_rt5650_rt5514_dais, 180 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais), 181 .codec_conf = mt8173_rt5650_rt5514_codec_conf, 182 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf), 183 .controls = mt8173_rt5650_rt5514_controls, 184 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls), 185 .dapm_widgets = mt8173_rt5650_rt5514_widgets, 186 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets), 187 .dapm_routes = mt8173_rt5650_rt5514_routes, 188 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes), 189}; 190 191static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev) 192{ 193 struct snd_soc_card *card = &mt8173_rt5650_rt5514_card; 194 struct device_node *platform_node; 195 struct snd_soc_dai_link *dai_link; 196 int i, ret; 197 198 platform_node = of_parse_phandle(pdev->dev.of_node, 199 "mediatek,platform", 0); 200 if (!platform_node) { 201 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); 202 return -EINVAL; 203 } 204 205 for_each_card_prelinks(card, i, dai_link) { 206 if (dai_link->platforms->name) 207 continue; 208 dai_link->platforms->of_node = platform_node; 209 } 210 211 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node = 212 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); 213 if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) { 214 dev_err(&pdev->dev, 215 "Property 'audio-codec' missing or invalid\n"); 216 ret = -EINVAL; 217 goto out; 218 } 219 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node = 220 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); 221 if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) { 222 dev_err(&pdev->dev, 223 "Property 'audio-codec' missing or invalid\n"); 224 ret = -EINVAL; 225 goto out; 226 } 227 mt8173_rt5650_rt5514_codec_conf[0].dlc.of_node = 228 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node; 229 230 card->dev = &pdev->dev; 231 232 ret = devm_snd_soc_register_card(&pdev->dev, card); 233 234out: 235 of_node_put(platform_node); 236 return ret; 237} 238 239static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = { 240 { .compatible = "mediatek,mt8173-rt5650-rt5514", }, 241 { } 242}; 243MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match); 244 245static struct platform_driver mt8173_rt5650_rt5514_driver = { 246 .driver = { 247 .name = "mtk-rt5650-rt5514", 248 .of_match_table = mt8173_rt5650_rt5514_dt_match, 249 .pm = &snd_soc_pm_ops, 250 }, 251 .probe = mt8173_rt5650_rt5514_dev_probe, 252}; 253 254module_platform_driver(mt8173_rt5650_rt5514_driver); 255 256/* Module information */ 257MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver"); 258MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); 259MODULE_LICENSE("GPL v2"); 260MODULE_ALIAS("platform:mtk-rt5650-rt5514"); 261 262