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 int i, ret; 48 49 for (i = 0; i < rtd->num_codecs; i++) { 50 struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; 51 52 /* pll from mclk 12.288M */ 53 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS, 54 params_rate(params) * 512); 55 if (ret) 56 return ret; 57 58 /* sysclk from pll */ 59 ret = snd_soc_dai_set_sysclk(codec_dai, 1, 60 params_rate(params) * 512, 61 SND_SOC_CLOCK_IN); 62 if (ret) 63 return ret; 64 } 65 return 0; 66 } 67 68 static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = { 69 .hw_params = mt8173_rt5650_rt5514_hw_params, 70 }; 71 72 static struct snd_soc_jack mt8173_rt5650_rt5514_jack; 73 74 static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime) 75 { 76 struct snd_soc_card *card = runtime->card; 77 struct snd_soc_component *component = runtime->codec_dais[0]->component; 78 int ret; 79 80 rt5645_sel_asrc_clk_src(component, 81 RT5645_DA_STEREO_FILTER | 82 RT5645_AD_STEREO_FILTER, 83 RT5645_CLK_SEL_I2S1_ASRC); 84 85 /* enable jack detection */ 86 ret = snd_soc_card_jack_new(card, "Headset Jack", 87 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | 88 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 89 SND_JACK_BTN_2 | SND_JACK_BTN_3, 90 &mt8173_rt5650_rt5514_jack, NULL, 0); 91 if (ret) { 92 dev_err(card->dev, "Can't new Headset Jack %d\n", ret); 93 return ret; 94 } 95 96 return rt5645_set_jack_detect(component, 97 &mt8173_rt5650_rt5514_jack, 98 &mt8173_rt5650_rt5514_jack, 99 &mt8173_rt5650_rt5514_jack); 100 } 101 102 static struct snd_soc_dai_link_component mt8173_rt5650_rt5514_codecs[] = { 103 { 104 .dai_name = "rt5645-aif1", 105 }, 106 { 107 .dai_name = "rt5514-aif1", 108 }, 109 }; 110 111 enum { 112 DAI_LINK_PLAYBACK, 113 DAI_LINK_CAPTURE, 114 DAI_LINK_CODEC_I2S, 115 }; 116 117 /* Digital audio interface glue - connects codec <---> CPU */ 118 static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = { 119 /* Front End DAI links */ 120 [DAI_LINK_PLAYBACK] = { 121 .name = "rt5650_rt5514 Playback", 122 .stream_name = "rt5650_rt5514 Playback", 123 .cpu_dai_name = "DL1", 124 .codec_name = "snd-soc-dummy", 125 .codec_dai_name = "snd-soc-dummy-dai", 126 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 127 .dynamic = 1, 128 .dpcm_playback = 1, 129 }, 130 [DAI_LINK_CAPTURE] = { 131 .name = "rt5650_rt5514 Capture", 132 .stream_name = "rt5650_rt5514 Capture", 133 .cpu_dai_name = "VUL", 134 .codec_name = "snd-soc-dummy", 135 .codec_dai_name = "snd-soc-dummy-dai", 136 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 137 .dynamic = 1, 138 .dpcm_capture = 1, 139 }, 140 /* Back End DAI links */ 141 [DAI_LINK_CODEC_I2S] = { 142 .name = "Codec", 143 .cpu_dai_name = "I2S", 144 .no_pcm = 1, 145 .codecs = mt8173_rt5650_rt5514_codecs, 146 .num_codecs = 2, 147 .init = mt8173_rt5650_rt5514_init, 148 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 149 SND_SOC_DAIFMT_CBS_CFS, 150 .ops = &mt8173_rt5650_rt5514_ops, 151 .ignore_pmdown_time = 1, 152 .dpcm_playback = 1, 153 .dpcm_capture = 1, 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 int i, ret; 183 184 platform_node = of_parse_phandle(pdev->dev.of_node, 185 "mediatek,platform", 0); 186 if (!platform_node) { 187 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); 188 return -EINVAL; 189 } 190 191 for (i = 0; i < card->num_links; i++) { 192 if (mt8173_rt5650_rt5514_dais[i].platform_name) 193 continue; 194 mt8173_rt5650_rt5514_dais[i].platform_of_node = platform_node; 195 } 196 197 mt8173_rt5650_rt5514_codecs[0].of_node = 198 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); 199 if (!mt8173_rt5650_rt5514_codecs[0].of_node) { 200 dev_err(&pdev->dev, 201 "Property 'audio-codec' missing or invalid\n"); 202 return -EINVAL; 203 } 204 mt8173_rt5650_rt5514_codecs[1].of_node = 205 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); 206 if (!mt8173_rt5650_rt5514_codecs[1].of_node) { 207 dev_err(&pdev->dev, 208 "Property 'audio-codec' missing or invalid\n"); 209 return -EINVAL; 210 } 211 mt8173_rt5650_rt5514_codec_conf[0].of_node = 212 mt8173_rt5650_rt5514_codecs[1].of_node; 213 214 card->dev = &pdev->dev; 215 216 ret = devm_snd_soc_register_card(&pdev->dev, card); 217 if (ret) 218 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", 219 __func__, ret); 220 return ret; 221 } 222 223 static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = { 224 { .compatible = "mediatek,mt8173-rt5650-rt5514", }, 225 { } 226 }; 227 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match); 228 229 static struct platform_driver mt8173_rt5650_rt5514_driver = { 230 .driver = { 231 .name = "mtk-rt5650-rt5514", 232 .of_match_table = mt8173_rt5650_rt5514_dt_match, 233 #ifdef CONFIG_PM 234 .pm = &snd_soc_pm_ops, 235 #endif 236 }, 237 .probe = mt8173_rt5650_rt5514_dev_probe, 238 }; 239 240 module_platform_driver(mt8173_rt5650_rt5514_driver); 241 242 /* Module information */ 243 MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver"); 244 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); 245 MODULE_LICENSE("GPL v2"); 246 MODULE_ALIAS("platform:mtk-rt5650-rt5514"); 247 248