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