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 18 static 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 25 static 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 36 static 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 43 static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream, 44 struct snd_pcm_hw_params *params) 45 { 46 struct snd_soc_pcm_runtime *rtd = substream->private_data; 47 struct snd_soc_dai *codec_dai; 48 int i, ret; 49 50 for_each_rtd_codec_dai(rtd, i, codec_dai) { 51 /* pll from mclk 12.288M */ 52 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS, 53 params_rate(params) * 512); 54 if (ret) 55 return ret; 56 57 /* sysclk from pll */ 58 ret = snd_soc_dai_set_sysclk(codec_dai, 1, 59 params_rate(params) * 512, 60 SND_SOC_CLOCK_IN); 61 if (ret) 62 return ret; 63 } 64 return 0; 65 } 66 67 static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = { 68 .hw_params = mt8173_rt5650_rt5514_hw_params, 69 }; 70 71 static struct snd_soc_jack mt8173_rt5650_rt5514_jack; 72 73 static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime) 74 { 75 struct snd_soc_card *card = runtime->card; 76 struct snd_soc_component *component = runtime->codec_dais[0]->component; 77 int ret; 78 79 rt5645_sel_asrc_clk_src(component, 80 RT5645_DA_STEREO_FILTER | 81 RT5645_AD_STEREO_FILTER, 82 RT5645_CLK_SEL_I2S1_ASRC); 83 84 /* enable jack detection */ 85 ret = snd_soc_card_jack_new(card, "Headset Jack", 86 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | 87 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 88 SND_JACK_BTN_2 | SND_JACK_BTN_3, 89 &mt8173_rt5650_rt5514_jack, NULL, 0); 90 if (ret) { 91 dev_err(card->dev, "Can't new Headset Jack %d\n", ret); 92 return ret; 93 } 94 95 return rt5645_set_jack_detect(component, 96 &mt8173_rt5650_rt5514_jack, 97 &mt8173_rt5650_rt5514_jack, 98 &mt8173_rt5650_rt5514_jack); 99 } 100 101 enum { 102 DAI_LINK_PLAYBACK, 103 DAI_LINK_CAPTURE, 104 DAI_LINK_CODEC_I2S, 105 }; 106 107 SND_SOC_DAILINK_DEFS(playback, 108 DAILINK_COMP_ARRAY(COMP_CPU("DL1")), 109 DAILINK_COMP_ARRAY(COMP_DUMMY()), 110 DAILINK_COMP_ARRAY(COMP_EMPTY())); 111 112 SND_SOC_DAILINK_DEFS(capture, 113 DAILINK_COMP_ARRAY(COMP_CPU("VUL")), 114 DAILINK_COMP_ARRAY(COMP_DUMMY()), 115 DAILINK_COMP_ARRAY(COMP_EMPTY())); 116 117 SND_SOC_DAILINK_DEFS(codec, 118 DAILINK_COMP_ARRAY(COMP_CPU("I2S")), 119 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"), 120 COMP_CODEC(NULL, "rt5514-aif1")), 121 DAILINK_COMP_ARRAY(COMP_EMPTY())); 122 123 /* Digital audio interface glue - connects codec <---> CPU */ 124 static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = { 125 /* Front End DAI links */ 126 [DAI_LINK_PLAYBACK] = { 127 .name = "rt5650_rt5514 Playback", 128 .stream_name = "rt5650_rt5514 Playback", 129 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 130 .dynamic = 1, 131 .dpcm_playback = 1, 132 SND_SOC_DAILINK_REG(playback), 133 }, 134 [DAI_LINK_CAPTURE] = { 135 .name = "rt5650_rt5514 Capture", 136 .stream_name = "rt5650_rt5514 Capture", 137 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 138 .dynamic = 1, 139 .dpcm_capture = 1, 140 SND_SOC_DAILINK_REG(capture), 141 }, 142 /* Back End DAI links */ 143 [DAI_LINK_CODEC_I2S] = { 144 .name = "Codec", 145 .no_pcm = 1, 146 .init = mt8173_rt5650_rt5514_init, 147 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 148 SND_SOC_DAIFMT_CBS_CFS, 149 .ops = &mt8173_rt5650_rt5514_ops, 150 .ignore_pmdown_time = 1, 151 .dpcm_playback = 1, 152 .dpcm_capture = 1, 153 SND_SOC_DAILINK_REG(codec), 154 }, 155 }; 156 157 static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = { 158 { 159 .name_prefix = "Sub", 160 }, 161 }; 162 163 static struct snd_soc_card mt8173_rt5650_rt5514_card = { 164 .name = "mtk-rt5650-rt5514", 165 .owner = THIS_MODULE, 166 .dai_link = mt8173_rt5650_rt5514_dais, 167 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais), 168 .codec_conf = mt8173_rt5650_rt5514_codec_conf, 169 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf), 170 .controls = mt8173_rt5650_rt5514_controls, 171 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls), 172 .dapm_widgets = mt8173_rt5650_rt5514_widgets, 173 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets), 174 .dapm_routes = mt8173_rt5650_rt5514_routes, 175 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes), 176 }; 177 178 static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev) 179 { 180 struct snd_soc_card *card = &mt8173_rt5650_rt5514_card; 181 struct device_node *platform_node; 182 struct snd_soc_dai_link *dai_link; 183 int i, ret; 184 185 platform_node = of_parse_phandle(pdev->dev.of_node, 186 "mediatek,platform", 0); 187 if (!platform_node) { 188 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); 189 return -EINVAL; 190 } 191 192 for_each_card_prelinks(card, i, dai_link) { 193 if (dai_link->platforms->name) 194 continue; 195 dai_link->platforms->of_node = platform_node; 196 } 197 198 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node = 199 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); 200 if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) { 201 dev_err(&pdev->dev, 202 "Property 'audio-codec' missing or invalid\n"); 203 return -EINVAL; 204 } 205 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node = 206 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); 207 if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) { 208 dev_err(&pdev->dev, 209 "Property 'audio-codec' missing or invalid\n"); 210 return -EINVAL; 211 } 212 mt8173_rt5650_rt5514_codec_conf[0].of_node = 213 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node; 214 215 card->dev = &pdev->dev; 216 217 ret = devm_snd_soc_register_card(&pdev->dev, card); 218 if (ret) 219 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", 220 __func__, ret); 221 return ret; 222 } 223 224 static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = { 225 { .compatible = "mediatek,mt8173-rt5650-rt5514", }, 226 { } 227 }; 228 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match); 229 230 static struct platform_driver mt8173_rt5650_rt5514_driver = { 231 .driver = { 232 .name = "mtk-rt5650-rt5514", 233 .of_match_table = mt8173_rt5650_rt5514_dt_match, 234 #ifdef CONFIG_PM 235 .pm = &snd_soc_pm_ops, 236 #endif 237 }, 238 .probe = mt8173_rt5650_rt5514_dev_probe, 239 }; 240 241 module_platform_driver(mt8173_rt5650_rt5514_driver); 242 243 /* Module information */ 244 MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver"); 245 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); 246 MODULE_LICENSE("GPL v2"); 247 MODULE_ALIAS("platform:mtk-rt5650-rt5514"); 248 249