1 /* 2 * mt8173-rt5650-rt5514.c -- MT8173 machine driver with RT5650/5514 codecs 3 * 4 * Copyright (c) 2016 MediaTek Inc. 5 * Author: Koro Chen <koro.chen@mediatek.com> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 and 9 * only version 2 as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 */ 16 17 #include <linux/module.h> 18 #include <linux/gpio.h> 19 #include <linux/of_gpio.h> 20 #include <sound/soc.h> 21 #include <sound/jack.h> 22 #include "../../codecs/rt5645.h" 23 24 #define MCLK_FOR_CODECS 12288000 25 26 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5514_widgets[] = { 27 SND_SOC_DAPM_SPK("Speaker", NULL), 28 SND_SOC_DAPM_MIC("Int Mic", NULL), 29 SND_SOC_DAPM_HP("Headphone", NULL), 30 SND_SOC_DAPM_MIC("Headset Mic", NULL), 31 }; 32 33 static const struct snd_soc_dapm_route mt8173_rt5650_rt5514_routes[] = { 34 {"Speaker", NULL, "SPOL"}, 35 {"Speaker", NULL, "SPOR"}, 36 {"Sub DMIC1L", NULL, "Int Mic"}, 37 {"Sub DMIC1R", NULL, "Int Mic"}, 38 {"Headphone", NULL, "HPOL"}, 39 {"Headphone", NULL, "HPOR"}, 40 {"Headset Mic", NULL, "micbias1"}, 41 {"Headset Mic", NULL, "micbias2"}, 42 {"IN1P", NULL, "Headset Mic"}, 43 {"IN1N", NULL, "Headset Mic"}, 44 }; 45 46 static const struct snd_kcontrol_new mt8173_rt5650_rt5514_controls[] = { 47 SOC_DAPM_PIN_SWITCH("Speaker"), 48 SOC_DAPM_PIN_SWITCH("Int Mic"), 49 SOC_DAPM_PIN_SWITCH("Headphone"), 50 SOC_DAPM_PIN_SWITCH("Headset Mic"), 51 }; 52 53 static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream, 54 struct snd_pcm_hw_params *params) 55 { 56 struct snd_soc_pcm_runtime *rtd = substream->private_data; 57 int i, ret; 58 59 for (i = 0; i < rtd->num_codecs; i++) { 60 struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; 61 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 78 static struct snd_soc_ops mt8173_rt5650_rt5514_ops = { 79 .hw_params = mt8173_rt5650_rt5514_hw_params, 80 }; 81 82 static struct snd_soc_jack mt8173_rt5650_rt5514_jack; 83 84 static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime) 85 { 86 struct snd_soc_card *card = runtime->card; 87 struct snd_soc_codec *codec = runtime->codec_dais[0]->codec; 88 int ret; 89 90 rt5645_sel_asrc_clk_src(codec, 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(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, NULL, 0); 101 if (ret) { 102 dev_err(card->dev, "Can't new Headset Jack %d\n", ret); 103 return ret; 104 } 105 106 return rt5645_set_jack_detect(codec, 107 &mt8173_rt5650_rt5514_jack, 108 &mt8173_rt5650_rt5514_jack, 109 &mt8173_rt5650_rt5514_jack); 110 } 111 112 static struct snd_soc_dai_link_component mt8173_rt5650_rt5514_codecs[] = { 113 { 114 .dai_name = "rt5645-aif1", 115 }, 116 { 117 .dai_name = "rt5514-aif1", 118 }, 119 }; 120 121 enum { 122 DAI_LINK_PLAYBACK, 123 DAI_LINK_CAPTURE, 124 DAI_LINK_CODEC_I2S, 125 }; 126 127 /* Digital audio interface glue - connects codec <---> CPU */ 128 static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = { 129 /* Front End DAI links */ 130 [DAI_LINK_PLAYBACK] = { 131 .name = "rt5650_rt5514 Playback", 132 .stream_name = "rt5650_rt5514 Playback", 133 .cpu_dai_name = "DL1", 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_playback = 1, 139 }, 140 [DAI_LINK_CAPTURE] = { 141 .name = "rt5650_rt5514 Capture", 142 .stream_name = "rt5650_rt5514 Capture", 143 .cpu_dai_name = "VUL", 144 .codec_name = "snd-soc-dummy", 145 .codec_dai_name = "snd-soc-dummy-dai", 146 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 147 .dynamic = 1, 148 .dpcm_capture = 1, 149 }, 150 /* Back End DAI links */ 151 [DAI_LINK_CODEC_I2S] = { 152 .name = "Codec", 153 .cpu_dai_name = "I2S", 154 .no_pcm = 1, 155 .codecs = mt8173_rt5650_rt5514_codecs, 156 .num_codecs = 2, 157 .init = mt8173_rt5650_rt5514_init, 158 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 159 SND_SOC_DAIFMT_CBS_CFS, 160 .ops = &mt8173_rt5650_rt5514_ops, 161 .ignore_pmdown_time = 1, 162 .dpcm_playback = 1, 163 .dpcm_capture = 1, 164 }, 165 }; 166 167 static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = { 168 { 169 .name_prefix = "Sub", 170 }, 171 }; 172 173 static struct snd_soc_card mt8173_rt5650_rt5514_card = { 174 .name = "mtk-rt5650-rt5514", 175 .owner = THIS_MODULE, 176 .dai_link = mt8173_rt5650_rt5514_dais, 177 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais), 178 .codec_conf = mt8173_rt5650_rt5514_codec_conf, 179 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf), 180 .controls = mt8173_rt5650_rt5514_controls, 181 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls), 182 .dapm_widgets = mt8173_rt5650_rt5514_widgets, 183 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets), 184 .dapm_routes = mt8173_rt5650_rt5514_routes, 185 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes), 186 }; 187 188 static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev) 189 { 190 struct snd_soc_card *card = &mt8173_rt5650_rt5514_card; 191 struct device_node *platform_node; 192 int i, ret; 193 194 platform_node = of_parse_phandle(pdev->dev.of_node, 195 "mediatek,platform", 0); 196 if (!platform_node) { 197 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); 198 return -EINVAL; 199 } 200 201 for (i = 0; i < card->num_links; i++) { 202 if (mt8173_rt5650_rt5514_dais[i].platform_name) 203 continue; 204 mt8173_rt5650_rt5514_dais[i].platform_of_node = platform_node; 205 } 206 207 mt8173_rt5650_rt5514_codecs[0].of_node = 208 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); 209 if (!mt8173_rt5650_rt5514_codecs[0].of_node) { 210 dev_err(&pdev->dev, 211 "Property 'audio-codec' missing or invalid\n"); 212 return -EINVAL; 213 } 214 mt8173_rt5650_rt5514_codecs[1].of_node = 215 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); 216 if (!mt8173_rt5650_rt5514_codecs[1].of_node) { 217 dev_err(&pdev->dev, 218 "Property 'audio-codec' missing or invalid\n"); 219 return -EINVAL; 220 } 221 mt8173_rt5650_rt5514_codec_conf[0].of_node = 222 mt8173_rt5650_rt5514_codecs[1].of_node; 223 224 card->dev = &pdev->dev; 225 platform_set_drvdata(pdev, card); 226 227 ret = devm_snd_soc_register_card(&pdev->dev, card); 228 if (ret) 229 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", 230 __func__, ret); 231 return ret; 232 } 233 234 static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = { 235 { .compatible = "mediatek,mt8173-rt5650-rt5514", }, 236 { } 237 }; 238 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match); 239 240 static struct platform_driver mt8173_rt5650_rt5514_driver = { 241 .driver = { 242 .name = "mtk-rt5650-rt5514", 243 .of_match_table = mt8173_rt5650_rt5514_dt_match, 244 #ifdef CONFIG_PM 245 .pm = &snd_soc_pm_ops, 246 #endif 247 }, 248 .probe = mt8173_rt5650_rt5514_dev_probe, 249 }; 250 251 module_platform_driver(mt8173_rt5650_rt5514_driver); 252 253 /* Module information */ 254 MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver"); 255 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); 256 MODULE_LICENSE("GPL v2"); 257 MODULE_ALIAS("platform:mtk-rt5650-rt5514"); 258 259