1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * mt8173-rt5650-rt5676.c -- MT8173 machine driver with RT5650/5676 codecs 4 * 5 * Copyright (c) 2015 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 #include "../../codecs/rt5677.h" 16 17 #define MCLK_FOR_CODECS 12288000 18 19 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = { 20 SND_SOC_DAPM_SPK("Speaker", NULL), 21 SND_SOC_DAPM_MIC("Int Mic", NULL), 22 SND_SOC_DAPM_HP("Headphone", NULL), 23 SND_SOC_DAPM_MIC("Headset Mic", NULL), 24 }; 25 26 static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = { 27 {"Speaker", NULL, "SPOL"}, 28 {"Speaker", NULL, "SPOR"}, 29 {"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */ 30 {"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */ 31 {"Sub DMIC R1", NULL, "Int Mic"}, 32 {"Headphone", NULL, "HPOL"}, 33 {"Headphone", NULL, "HPOR"}, 34 {"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */ 35 {"IN1P", NULL, "Headset Mic"}, 36 {"IN1N", NULL, "Headset Mic"}, 37 {"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650 */ 38 }; 39 40 static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = { 41 SOC_DAPM_PIN_SWITCH("Speaker"), 42 SOC_DAPM_PIN_SWITCH("Int Mic"), 43 SOC_DAPM_PIN_SWITCH("Headphone"), 44 SOC_DAPM_PIN_SWITCH("Headset Mic"), 45 }; 46 47 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream, 48 struct snd_pcm_hw_params *params) 49 { 50 struct snd_soc_pcm_runtime *rtd = substream->private_data; 51 int i, ret; 52 53 for (i = 0; i < rtd->num_codecs; i++) { 54 struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; 55 56 /* pll from mclk 12.288M */ 57 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS, 58 params_rate(params) * 512); 59 if (ret) 60 return ret; 61 62 /* sysclk from pll */ 63 ret = snd_soc_dai_set_sysclk(codec_dai, 1, 64 params_rate(params) * 512, 65 SND_SOC_CLOCK_IN); 66 if (ret) 67 return ret; 68 } 69 return 0; 70 } 71 72 static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = { 73 .hw_params = mt8173_rt5650_rt5676_hw_params, 74 }; 75 76 static struct snd_soc_jack mt8173_rt5650_rt5676_jack; 77 78 static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime) 79 { 80 struct snd_soc_card *card = runtime->card; 81 struct snd_soc_component *component = runtime->codec_dais[0]->component; 82 struct snd_soc_component *component_sub = runtime->codec_dais[1]->component; 83 int ret; 84 85 rt5645_sel_asrc_clk_src(component, 86 RT5645_DA_STEREO_FILTER | 87 RT5645_AD_STEREO_FILTER, 88 RT5645_CLK_SEL_I2S1_ASRC); 89 rt5677_sel_asrc_clk_src(component_sub, 90 RT5677_DA_STEREO_FILTER | 91 RT5677_AD_STEREO1_FILTER, 92 RT5677_CLK_SEL_I2S1_ASRC); 93 rt5677_sel_asrc_clk_src(component_sub, 94 RT5677_AD_STEREO2_FILTER | 95 RT5677_I2S2_SOURCE, 96 RT5677_CLK_SEL_I2S2_ASRC); 97 98 /* enable jack detection */ 99 ret = snd_soc_card_jack_new(card, "Headset Jack", 100 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | 101 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 102 SND_JACK_BTN_2 | SND_JACK_BTN_3, 103 &mt8173_rt5650_rt5676_jack, NULL, 0); 104 if (ret) { 105 dev_err(card->dev, "Can't new Headset Jack %d\n", ret); 106 return ret; 107 } 108 109 return rt5645_set_jack_detect(component, 110 &mt8173_rt5650_rt5676_jack, 111 &mt8173_rt5650_rt5676_jack, 112 &mt8173_rt5650_rt5676_jack); 113 } 114 115 static struct snd_soc_dai_link_component mt8173_rt5650_rt5676_codecs[] = { 116 { 117 .dai_name = "rt5645-aif1", 118 }, 119 { 120 .dai_name = "rt5677-aif1", 121 }, 122 }; 123 124 enum { 125 DAI_LINK_PLAYBACK, 126 DAI_LINK_CAPTURE, 127 DAI_LINK_HDMI, 128 DAI_LINK_CODEC_I2S, 129 DAI_LINK_HDMI_I2S, 130 DAI_LINK_INTERCODEC 131 }; 132 133 /* Digital audio interface glue - connects codec <---> CPU */ 134 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { 135 /* Front End DAI links */ 136 [DAI_LINK_PLAYBACK] = { 137 .name = "rt5650_rt5676 Playback", 138 .stream_name = "rt5650_rt5676 Playback", 139 .cpu_dai_name = "DL1", 140 .codec_name = "snd-soc-dummy", 141 .codec_dai_name = "snd-soc-dummy-dai", 142 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 143 .dynamic = 1, 144 .dpcm_playback = 1, 145 }, 146 [DAI_LINK_CAPTURE] = { 147 .name = "rt5650_rt5676 Capture", 148 .stream_name = "rt5650_rt5676 Capture", 149 .cpu_dai_name = "VUL", 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_capture = 1, 155 }, 156 [DAI_LINK_HDMI] = { 157 .name = "HDMI", 158 .stream_name = "HDMI PCM", 159 .cpu_dai_name = "HDMI", 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_playback = 1, 165 }, 166 167 /* Back End DAI links */ 168 [DAI_LINK_CODEC_I2S] = { 169 .name = "Codec", 170 .cpu_dai_name = "I2S", 171 .no_pcm = 1, 172 .codecs = mt8173_rt5650_rt5676_codecs, 173 .num_codecs = 2, 174 .init = mt8173_rt5650_rt5676_init, 175 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 176 SND_SOC_DAIFMT_CBS_CFS, 177 .ops = &mt8173_rt5650_rt5676_ops, 178 .ignore_pmdown_time = 1, 179 .dpcm_playback = 1, 180 .dpcm_capture = 1, 181 }, 182 [DAI_LINK_HDMI_I2S] = { 183 .name = "HDMI BE", 184 .cpu_dai_name = "HDMIO", 185 .no_pcm = 1, 186 .codec_dai_name = "i2s-hifi", 187 .dpcm_playback = 1, 188 }, 189 /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */ 190 [DAI_LINK_INTERCODEC] = { 191 .name = "rt5650_rt5676 intercodec", 192 .stream_name = "rt5650_rt5676 intercodec", 193 .cpu_dai_name = "snd-soc-dummy-dai", 194 .platform_name = "snd-soc-dummy", 195 .no_pcm = 1, 196 .codec_dai_name = "rt5677-aif2", 197 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 198 SND_SOC_DAIFMT_CBM_CFM, 199 }, 200 201 }; 202 203 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = { 204 { 205 .name_prefix = "Sub", 206 }, 207 }; 208 209 static struct snd_soc_card mt8173_rt5650_rt5676_card = { 210 .name = "mtk-rt5650-rt5676", 211 .owner = THIS_MODULE, 212 .dai_link = mt8173_rt5650_rt5676_dais, 213 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais), 214 .codec_conf = mt8173_rt5650_rt5676_codec_conf, 215 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf), 216 .controls = mt8173_rt5650_rt5676_controls, 217 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls), 218 .dapm_widgets = mt8173_rt5650_rt5676_widgets, 219 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets), 220 .dapm_routes = mt8173_rt5650_rt5676_routes, 221 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes), 222 }; 223 224 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev) 225 { 226 struct snd_soc_card *card = &mt8173_rt5650_rt5676_card; 227 struct device_node *platform_node; 228 int i, ret; 229 230 platform_node = of_parse_phandle(pdev->dev.of_node, 231 "mediatek,platform", 0); 232 if (!platform_node) { 233 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); 234 return -EINVAL; 235 } 236 237 for (i = 0; i < card->num_links; i++) { 238 if (mt8173_rt5650_rt5676_dais[i].platform_name) 239 continue; 240 mt8173_rt5650_rt5676_dais[i].platform_of_node = platform_node; 241 } 242 243 mt8173_rt5650_rt5676_codecs[0].of_node = 244 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); 245 if (!mt8173_rt5650_rt5676_codecs[0].of_node) { 246 dev_err(&pdev->dev, 247 "Property 'audio-codec' missing or invalid\n"); 248 return -EINVAL; 249 } 250 mt8173_rt5650_rt5676_codecs[1].of_node = 251 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); 252 if (!mt8173_rt5650_rt5676_codecs[1].of_node) { 253 dev_err(&pdev->dev, 254 "Property 'audio-codec' missing or invalid\n"); 255 return -EINVAL; 256 } 257 mt8173_rt5650_rt5676_codec_conf[0].of_node = 258 mt8173_rt5650_rt5676_codecs[1].of_node; 259 260 mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codec_of_node = 261 mt8173_rt5650_rt5676_codecs[1].of_node; 262 263 mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node = 264 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2); 265 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node) { 266 dev_err(&pdev->dev, 267 "Property 'audio-codec' missing or invalid\n"); 268 return -EINVAL; 269 } 270 271 card->dev = &pdev->dev; 272 273 ret = devm_snd_soc_register_card(&pdev->dev, card); 274 if (ret) 275 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", 276 __func__, ret); 277 return ret; 278 } 279 280 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = { 281 { .compatible = "mediatek,mt8173-rt5650-rt5676", }, 282 { } 283 }; 284 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match); 285 286 static struct platform_driver mt8173_rt5650_rt5676_driver = { 287 .driver = { 288 .name = "mtk-rt5650-rt5676", 289 .of_match_table = mt8173_rt5650_rt5676_dt_match, 290 #ifdef CONFIG_PM 291 .pm = &snd_soc_pm_ops, 292 #endif 293 }, 294 .probe = mt8173_rt5650_rt5676_dev_probe, 295 }; 296 297 module_platform_driver(mt8173_rt5650_rt5676_driver); 298 299 /* Module information */ 300 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver"); 301 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); 302 MODULE_LICENSE("GPL v2"); 303 MODULE_ALIAS("platform:mtk-rt5650-rt5676"); 304 305