1 /* 2 * mt8173-rt5650-rt5676.c -- MT8173 machine driver with RT5650/5676 codecs 3 * 4 * Copyright (c) 2015 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 #include "../../codecs/rt5677.h" 24 25 #define MCLK_FOR_CODECS 12288000 26 27 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = { 28 SND_SOC_DAPM_SPK("Speaker", NULL), 29 SND_SOC_DAPM_MIC("Int Mic", NULL), 30 SND_SOC_DAPM_HP("Headphone", NULL), 31 SND_SOC_DAPM_MIC("Headset Mic", NULL), 32 }; 33 34 static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = { 35 {"Speaker", NULL, "SPOL"}, 36 {"Speaker", NULL, "SPOR"}, 37 {"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */ 38 {"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */ 39 {"Sub DMIC R1", NULL, "Int Mic"}, 40 {"Headphone", NULL, "HPOL"}, 41 {"Headphone", NULL, "HPOR"}, 42 {"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */ 43 {"Headset Mic", NULL, "micbias1"}, 44 {"Headset Mic", NULL, "micbias2"}, 45 {"IN1P", NULL, "Headset Mic"}, 46 {"IN1N", NULL, "Headset Mic"}, 47 {"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650 */ 48 }; 49 50 static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = { 51 SOC_DAPM_PIN_SWITCH("Speaker"), 52 SOC_DAPM_PIN_SWITCH("Int Mic"), 53 SOC_DAPM_PIN_SWITCH("Headphone"), 54 SOC_DAPM_PIN_SWITCH("Headset Mic"), 55 }; 56 57 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream, 58 struct snd_pcm_hw_params *params) 59 { 60 struct snd_soc_pcm_runtime *rtd = substream->private_data; 61 int i, ret; 62 63 for (i = 0; i < rtd->num_codecs; i++) { 64 struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; 65 66 /* pll from mclk 12.288M */ 67 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS, 68 params_rate(params) * 512); 69 if (ret) 70 return ret; 71 72 /* sysclk from pll */ 73 ret = snd_soc_dai_set_sysclk(codec_dai, 1, 74 params_rate(params) * 512, 75 SND_SOC_CLOCK_IN); 76 if (ret) 77 return ret; 78 } 79 return 0; 80 } 81 82 static struct snd_soc_ops mt8173_rt5650_rt5676_ops = { 83 .hw_params = mt8173_rt5650_rt5676_hw_params, 84 }; 85 86 static struct snd_soc_jack mt8173_rt5650_rt5676_jack; 87 88 static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime) 89 { 90 struct snd_soc_card *card = runtime->card; 91 struct snd_soc_codec *codec = runtime->codec_dais[0]->codec; 92 struct snd_soc_codec *codec_sub = runtime->codec_dais[1]->codec; 93 int ret; 94 95 rt5645_sel_asrc_clk_src(codec, 96 RT5645_DA_STEREO_FILTER | 97 RT5645_AD_STEREO_FILTER, 98 RT5645_CLK_SEL_I2S1_ASRC); 99 rt5677_sel_asrc_clk_src(codec_sub, 100 RT5677_DA_STEREO_FILTER | 101 RT5677_AD_STEREO1_FILTER, 102 RT5677_CLK_SEL_I2S1_ASRC); 103 rt5677_sel_asrc_clk_src(codec_sub, 104 RT5677_AD_STEREO2_FILTER | 105 RT5677_I2S2_SOURCE, 106 RT5677_CLK_SEL_I2S2_ASRC); 107 108 /* enable jack detection */ 109 ret = snd_soc_card_jack_new(card, "Headset Jack", 110 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | 111 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 112 SND_JACK_BTN_2 | SND_JACK_BTN_3, 113 &mt8173_rt5650_rt5676_jack, NULL, 0); 114 if (ret) { 115 dev_err(card->dev, "Can't new Headset Jack %d\n", ret); 116 return ret; 117 } 118 119 return rt5645_set_jack_detect(codec, 120 &mt8173_rt5650_rt5676_jack, 121 &mt8173_rt5650_rt5676_jack, 122 &mt8173_rt5650_rt5676_jack); 123 } 124 125 static struct snd_soc_dai_link_component mt8173_rt5650_rt5676_codecs[] = { 126 { 127 .dai_name = "rt5645-aif1", 128 }, 129 { 130 .dai_name = "rt5677-aif1", 131 }, 132 }; 133 134 enum { 135 DAI_LINK_PLAYBACK, 136 DAI_LINK_CAPTURE, 137 DAI_LINK_HDMI, 138 DAI_LINK_CODEC_I2S, 139 DAI_LINK_HDMI_I2S, 140 DAI_LINK_INTERCODEC 141 }; 142 143 /* Digital audio interface glue - connects codec <---> CPU */ 144 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { 145 /* Front End DAI links */ 146 [DAI_LINK_PLAYBACK] = { 147 .name = "rt5650_rt5676 Playback", 148 .stream_name = "rt5650_rt5676 Playback", 149 .cpu_dai_name = "DL1", 150 .codec_name = "snd-soc-dummy", 151 .codec_dai_name = "snd-soc-dummy-dai", 152 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 153 .dynamic = 1, 154 .dpcm_playback = 1, 155 }, 156 [DAI_LINK_CAPTURE] = { 157 .name = "rt5650_rt5676 Capture", 158 .stream_name = "rt5650_rt5676 Capture", 159 .cpu_dai_name = "VUL", 160 .codec_name = "snd-soc-dummy", 161 .codec_dai_name = "snd-soc-dummy-dai", 162 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 163 .dynamic = 1, 164 .dpcm_capture = 1, 165 }, 166 [DAI_LINK_HDMI] = { 167 .name = "HDMI", 168 .stream_name = "HDMI PCM", 169 .cpu_dai_name = "HDMI", 170 .codec_name = "snd-soc-dummy", 171 .codec_dai_name = "snd-soc-dummy-dai", 172 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 173 .dynamic = 1, 174 .dpcm_playback = 1, 175 }, 176 177 /* Back End DAI links */ 178 [DAI_LINK_CODEC_I2S] = { 179 .name = "Codec", 180 .cpu_dai_name = "I2S", 181 .no_pcm = 1, 182 .codecs = mt8173_rt5650_rt5676_codecs, 183 .num_codecs = 2, 184 .init = mt8173_rt5650_rt5676_init, 185 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 186 SND_SOC_DAIFMT_CBS_CFS, 187 .ops = &mt8173_rt5650_rt5676_ops, 188 .ignore_pmdown_time = 1, 189 .dpcm_playback = 1, 190 .dpcm_capture = 1, 191 }, 192 [DAI_LINK_HDMI_I2S] = { 193 .name = "HDMI BE", 194 .cpu_dai_name = "HDMIO", 195 .no_pcm = 1, 196 .codec_dai_name = "i2s-hifi", 197 .dpcm_playback = 1, 198 }, 199 /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */ 200 [DAI_LINK_INTERCODEC] = { 201 .name = "rt5650_rt5676 intercodec", 202 .stream_name = "rt5650_rt5676 intercodec", 203 .cpu_dai_name = "snd-soc-dummy-dai", 204 .platform_name = "snd-soc-dummy", 205 .no_pcm = 1, 206 .codec_dai_name = "rt5677-aif2", 207 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 208 SND_SOC_DAIFMT_CBM_CFM, 209 }, 210 211 }; 212 213 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = { 214 { 215 .name_prefix = "Sub", 216 }, 217 }; 218 219 static struct snd_soc_card mt8173_rt5650_rt5676_card = { 220 .name = "mtk-rt5650-rt5676", 221 .owner = THIS_MODULE, 222 .dai_link = mt8173_rt5650_rt5676_dais, 223 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais), 224 .codec_conf = mt8173_rt5650_rt5676_codec_conf, 225 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf), 226 .controls = mt8173_rt5650_rt5676_controls, 227 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls), 228 .dapm_widgets = mt8173_rt5650_rt5676_widgets, 229 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets), 230 .dapm_routes = mt8173_rt5650_rt5676_routes, 231 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes), 232 }; 233 234 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev) 235 { 236 struct snd_soc_card *card = &mt8173_rt5650_rt5676_card; 237 struct device_node *platform_node; 238 int i, ret; 239 240 platform_node = of_parse_phandle(pdev->dev.of_node, 241 "mediatek,platform", 0); 242 if (!platform_node) { 243 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); 244 return -EINVAL; 245 } 246 247 for (i = 0; i < card->num_links; i++) { 248 if (mt8173_rt5650_rt5676_dais[i].platform_name) 249 continue; 250 mt8173_rt5650_rt5676_dais[i].platform_of_node = platform_node; 251 } 252 253 mt8173_rt5650_rt5676_codecs[0].of_node = 254 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); 255 if (!mt8173_rt5650_rt5676_codecs[0].of_node) { 256 dev_err(&pdev->dev, 257 "Property 'audio-codec' missing or invalid\n"); 258 return -EINVAL; 259 } 260 mt8173_rt5650_rt5676_codecs[1].of_node = 261 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); 262 if (!mt8173_rt5650_rt5676_codecs[1].of_node) { 263 dev_err(&pdev->dev, 264 "Property 'audio-codec' missing or invalid\n"); 265 return -EINVAL; 266 } 267 mt8173_rt5650_rt5676_codec_conf[0].of_node = 268 mt8173_rt5650_rt5676_codecs[1].of_node; 269 270 mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codec_of_node = 271 mt8173_rt5650_rt5676_codecs[1].of_node; 272 273 mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node = 274 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2); 275 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node) { 276 dev_err(&pdev->dev, 277 "Property 'audio-codec' missing or invalid\n"); 278 return -EINVAL; 279 } 280 281 card->dev = &pdev->dev; 282 platform_set_drvdata(pdev, card); 283 284 ret = devm_snd_soc_register_card(&pdev->dev, card); 285 if (ret) 286 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", 287 __func__, ret); 288 return ret; 289 } 290 291 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = { 292 { .compatible = "mediatek,mt8173-rt5650-rt5676", }, 293 { } 294 }; 295 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match); 296 297 static struct platform_driver mt8173_rt5650_rt5676_driver = { 298 .driver = { 299 .name = "mtk-rt5650-rt5676", 300 .of_match_table = mt8173_rt5650_rt5676_dt_match, 301 #ifdef CONFIG_PM 302 .pm = &snd_soc_pm_ops, 303 #endif 304 }, 305 .probe = mt8173_rt5650_rt5676_dev_probe, 306 }; 307 308 module_platform_driver(mt8173_rt5650_rt5676_driver); 309 310 /* Module information */ 311 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver"); 312 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); 313 MODULE_LICENSE("GPL v2"); 314 MODULE_ALIAS("platform:mtk-rt5650-rt5676"); 315 316