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 = asoc_substream_to_rtd(substream); 51 struct snd_soc_dai *codec_dai; 52 int i, ret; 53 54 for_each_rtd_codec_dais(rtd, i, codec_dai) { 55 /* pll from mclk 12.288M */ 56 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS, 57 params_rate(params) * 512); 58 if (ret) 59 return ret; 60 61 /* sysclk from pll */ 62 ret = snd_soc_dai_set_sysclk(codec_dai, 1, 63 params_rate(params) * 512, 64 SND_SOC_CLOCK_IN); 65 if (ret) 66 return ret; 67 } 68 return 0; 69 } 70 71 static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = { 72 .hw_params = mt8173_rt5650_rt5676_hw_params, 73 }; 74 75 static struct snd_soc_jack mt8173_rt5650_rt5676_jack; 76 77 static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime) 78 { 79 struct snd_soc_card *card = runtime->card; 80 struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component; 81 struct snd_soc_component *component_sub = asoc_rtd_to_codec(runtime, 1)->component; 82 int ret; 83 84 rt5645_sel_asrc_clk_src(component, 85 RT5645_DA_STEREO_FILTER | 86 RT5645_AD_STEREO_FILTER, 87 RT5645_CLK_SEL_I2S1_ASRC); 88 rt5677_sel_asrc_clk_src(component_sub, 89 RT5677_DA_STEREO_FILTER | 90 RT5677_AD_STEREO1_FILTER, 91 RT5677_CLK_SEL_I2S1_ASRC); 92 rt5677_sel_asrc_clk_src(component_sub, 93 RT5677_AD_STEREO2_FILTER | 94 RT5677_I2S2_SOURCE, 95 RT5677_CLK_SEL_I2S2_ASRC); 96 97 /* enable jack detection */ 98 ret = snd_soc_card_jack_new(card, "Headset Jack", 99 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | 100 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 101 SND_JACK_BTN_2 | SND_JACK_BTN_3, 102 &mt8173_rt5650_rt5676_jack); 103 if (ret) { 104 dev_err(card->dev, "Can't new Headset Jack %d\n", ret); 105 return ret; 106 } 107 108 return rt5645_set_jack_detect(component, 109 &mt8173_rt5650_rt5676_jack, 110 &mt8173_rt5650_rt5676_jack, 111 &mt8173_rt5650_rt5676_jack); 112 } 113 114 115 enum { 116 DAI_LINK_PLAYBACK, 117 DAI_LINK_CAPTURE, 118 DAI_LINK_HDMI, 119 DAI_LINK_CODEC_I2S, 120 DAI_LINK_HDMI_I2S, 121 DAI_LINK_INTERCODEC 122 }; 123 124 SND_SOC_DAILINK_DEFS(playback, 125 DAILINK_COMP_ARRAY(COMP_CPU("DL1")), 126 DAILINK_COMP_ARRAY(COMP_DUMMY()), 127 DAILINK_COMP_ARRAY(COMP_EMPTY())); 128 129 SND_SOC_DAILINK_DEFS(capture, 130 DAILINK_COMP_ARRAY(COMP_CPU("VUL")), 131 DAILINK_COMP_ARRAY(COMP_DUMMY()), 132 DAILINK_COMP_ARRAY(COMP_EMPTY())); 133 134 SND_SOC_DAILINK_DEFS(hdmi_pcm, 135 DAILINK_COMP_ARRAY(COMP_CPU("HDMI")), 136 DAILINK_COMP_ARRAY(COMP_DUMMY()), 137 DAILINK_COMP_ARRAY(COMP_EMPTY())); 138 139 SND_SOC_DAILINK_DEFS(codec, 140 DAILINK_COMP_ARRAY(COMP_CPU("I2S")), 141 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"), 142 COMP_CODEC(NULL, "rt5677-aif1")), 143 DAILINK_COMP_ARRAY(COMP_EMPTY())); 144 145 SND_SOC_DAILINK_DEFS(hdmi_be, 146 DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")), 147 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")), 148 DAILINK_COMP_ARRAY(COMP_EMPTY())); 149 150 SND_SOC_DAILINK_DEFS(intercodec, 151 DAILINK_COMP_ARRAY(COMP_DUMMY()), 152 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif2")), 153 DAILINK_COMP_ARRAY(COMP_DUMMY())); 154 155 /* Digital audio interface glue - connects codec <---> CPU */ 156 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { 157 /* Front End DAI links */ 158 [DAI_LINK_PLAYBACK] = { 159 .name = "rt5650_rt5676 Playback", 160 .stream_name = "rt5650_rt5676 Playback", 161 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 162 .dynamic = 1, 163 .dpcm_playback = 1, 164 SND_SOC_DAILINK_REG(playback), 165 }, 166 [DAI_LINK_CAPTURE] = { 167 .name = "rt5650_rt5676 Capture", 168 .stream_name = "rt5650_rt5676 Capture", 169 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 170 .dynamic = 1, 171 .dpcm_capture = 1, 172 SND_SOC_DAILINK_REG(capture), 173 }, 174 [DAI_LINK_HDMI] = { 175 .name = "HDMI", 176 .stream_name = "HDMI PCM", 177 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 178 .dynamic = 1, 179 .dpcm_playback = 1, 180 SND_SOC_DAILINK_REG(hdmi_pcm), 181 }, 182 183 /* Back End DAI links */ 184 [DAI_LINK_CODEC_I2S] = { 185 .name = "Codec", 186 .no_pcm = 1, 187 .init = mt8173_rt5650_rt5676_init, 188 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 189 SND_SOC_DAIFMT_CBS_CFS, 190 .ops = &mt8173_rt5650_rt5676_ops, 191 .ignore_pmdown_time = 1, 192 .dpcm_playback = 1, 193 .dpcm_capture = 1, 194 SND_SOC_DAILINK_REG(codec), 195 }, 196 [DAI_LINK_HDMI_I2S] = { 197 .name = "HDMI BE", 198 .no_pcm = 1, 199 .dpcm_playback = 1, 200 SND_SOC_DAILINK_REG(hdmi_be), 201 }, 202 /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */ 203 [DAI_LINK_INTERCODEC] = { 204 .name = "rt5650_rt5676 intercodec", 205 .stream_name = "rt5650_rt5676 intercodec", 206 .no_pcm = 1, 207 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 208 SND_SOC_DAIFMT_CBM_CFM, 209 SND_SOC_DAILINK_REG(intercodec), 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 struct snd_soc_dai_link *dai_link; 239 int i, ret; 240 241 platform_node = of_parse_phandle(pdev->dev.of_node, 242 "mediatek,platform", 0); 243 if (!platform_node) { 244 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); 245 return -EINVAL; 246 } 247 248 for_each_card_prelinks(card, i, dai_link) { 249 if (dai_link->platforms->name) 250 continue; 251 dai_link->platforms->of_node = platform_node; 252 } 253 254 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node = 255 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); 256 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) { 257 dev_err(&pdev->dev, 258 "Property 'audio-codec' missing or invalid\n"); 259 return -EINVAL; 260 } 261 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node = 262 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); 263 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) { 264 dev_err(&pdev->dev, 265 "Property 'audio-codec' missing or invalid\n"); 266 return -EINVAL; 267 } 268 mt8173_rt5650_rt5676_codec_conf[0].dlc.of_node = 269 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node; 270 271 mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codecs->of_node = 272 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node; 273 274 mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node = 275 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2); 276 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node) { 277 dev_err(&pdev->dev, 278 "Property 'audio-codec' missing or invalid\n"); 279 return -EINVAL; 280 } 281 282 card->dev = &pdev->dev; 283 284 ret = devm_snd_soc_register_card(&pdev->dev, card); 285 286 of_node_put(platform_node); 287 return ret; 288 } 289 290 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = { 291 { .compatible = "mediatek,mt8173-rt5650-rt5676", }, 292 { } 293 }; 294 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match); 295 296 static struct platform_driver mt8173_rt5650_rt5676_driver = { 297 .driver = { 298 .name = "mtk-rt5650-rt5676", 299 .of_match_table = mt8173_rt5650_rt5676_dt_match, 300 .pm = &snd_soc_pm_ops, 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