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 <sound/soc.h> 11 #include <sound/jack.h> 12 #include "../../codecs/rt5645.h" 13 #include "../../codecs/rt5677.h" 14 15 #define MCLK_FOR_CODECS 12288000 16 17 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = { 18 SND_SOC_DAPM_SPK("Speaker", NULL), 19 SND_SOC_DAPM_MIC("Int Mic", NULL), 20 SND_SOC_DAPM_HP("Headphone", NULL), 21 SND_SOC_DAPM_MIC("Headset Mic", NULL), 22 }; 23 24 static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = { 25 {"Speaker", NULL, "SPOL"}, 26 {"Speaker", NULL, "SPOR"}, 27 {"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */ 28 {"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */ 29 {"Sub DMIC R1", NULL, "Int Mic"}, 30 {"Headphone", NULL, "HPOL"}, 31 {"Headphone", NULL, "HPOR"}, 32 {"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */ 33 {"IN1P", NULL, "Headset Mic"}, 34 {"IN1N", NULL, "Headset Mic"}, 35 {"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650 */ 36 }; 37 38 static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = { 39 SOC_DAPM_PIN_SWITCH("Speaker"), 40 SOC_DAPM_PIN_SWITCH("Int Mic"), 41 SOC_DAPM_PIN_SWITCH("Headphone"), 42 SOC_DAPM_PIN_SWITCH("Headset Mic"), 43 }; 44 45 static struct snd_soc_jack_pin mt8173_rt5650_rt5676_jack_pins[] = { 46 { 47 .pin = "Headphone", 48 .mask = SND_JACK_HEADPHONE, 49 }, 50 { 51 .pin = "Headset Mic", 52 .mask = SND_JACK_MICROPHONE, 53 }, 54 }; 55 56 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream, 57 struct snd_pcm_hw_params *params) 58 { 59 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 60 struct snd_soc_dai *codec_dai; 61 int i, ret; 62 63 for_each_rtd_codec_dais(rtd, i, codec_dai) { 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 = snd_soc_rtd_to_codec(runtime, 0)->component; 90 struct snd_soc_component *component_sub = snd_soc_rtd_to_codec(runtime, 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_pins(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, 112 mt8173_rt5650_rt5676_jack_pins, 113 ARRAY_SIZE(mt8173_rt5650_rt5676_jack_pins)); 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(component, 120 &mt8173_rt5650_rt5676_jack, 121 &mt8173_rt5650_rt5676_jack, 122 &mt8173_rt5650_rt5676_jack); 123 } 124 125 126 enum { 127 DAI_LINK_PLAYBACK, 128 DAI_LINK_CAPTURE, 129 DAI_LINK_HDMI, 130 DAI_LINK_CODEC_I2S, 131 DAI_LINK_HDMI_I2S, 132 DAI_LINK_INTERCODEC 133 }; 134 135 SND_SOC_DAILINK_DEFS(playback, 136 DAILINK_COMP_ARRAY(COMP_CPU("DL1")), 137 DAILINK_COMP_ARRAY(COMP_DUMMY()), 138 DAILINK_COMP_ARRAY(COMP_EMPTY())); 139 140 SND_SOC_DAILINK_DEFS(capture, 141 DAILINK_COMP_ARRAY(COMP_CPU("VUL")), 142 DAILINK_COMP_ARRAY(COMP_DUMMY()), 143 DAILINK_COMP_ARRAY(COMP_EMPTY())); 144 145 SND_SOC_DAILINK_DEFS(hdmi_pcm, 146 DAILINK_COMP_ARRAY(COMP_CPU("HDMI")), 147 DAILINK_COMP_ARRAY(COMP_DUMMY()), 148 DAILINK_COMP_ARRAY(COMP_EMPTY())); 149 150 SND_SOC_DAILINK_DEFS(codec, 151 DAILINK_COMP_ARRAY(COMP_CPU("I2S")), 152 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"), 153 COMP_CODEC(NULL, "rt5677-aif1")), 154 DAILINK_COMP_ARRAY(COMP_EMPTY())); 155 156 SND_SOC_DAILINK_DEFS(hdmi_be, 157 DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")), 158 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")), 159 DAILINK_COMP_ARRAY(COMP_EMPTY())); 160 161 SND_SOC_DAILINK_DEFS(intercodec, 162 DAILINK_COMP_ARRAY(COMP_DUMMY()), 163 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif2")), 164 DAILINK_COMP_ARRAY(COMP_DUMMY())); 165 166 /* Digital audio interface glue - connects codec <---> CPU */ 167 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { 168 /* Front End DAI links */ 169 [DAI_LINK_PLAYBACK] = { 170 .name = "rt5650_rt5676 Playback", 171 .stream_name = "rt5650_rt5676 Playback", 172 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 173 .dynamic = 1, 174 .playback_only = 1, 175 SND_SOC_DAILINK_REG(playback), 176 }, 177 [DAI_LINK_CAPTURE] = { 178 .name = "rt5650_rt5676 Capture", 179 .stream_name = "rt5650_rt5676 Capture", 180 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 181 .dynamic = 1, 182 .capture_only = 1, 183 SND_SOC_DAILINK_REG(capture), 184 }, 185 [DAI_LINK_HDMI] = { 186 .name = "HDMI", 187 .stream_name = "HDMI PCM", 188 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 189 .dynamic = 1, 190 .playback_only = 1, 191 SND_SOC_DAILINK_REG(hdmi_pcm), 192 }, 193 194 /* Back End DAI links */ 195 [DAI_LINK_CODEC_I2S] = { 196 .name = "Codec", 197 .no_pcm = 1, 198 .init = mt8173_rt5650_rt5676_init, 199 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 200 SND_SOC_DAIFMT_CBS_CFS, 201 .ops = &mt8173_rt5650_rt5676_ops, 202 .ignore_pmdown_time = 1, 203 SND_SOC_DAILINK_REG(codec), 204 }, 205 [DAI_LINK_HDMI_I2S] = { 206 .name = "HDMI BE", 207 .no_pcm = 1, 208 .playback_only = 1, 209 SND_SOC_DAILINK_REG(hdmi_be), 210 }, 211 /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */ 212 [DAI_LINK_INTERCODEC] = { 213 .name = "rt5650_rt5676 intercodec", 214 .stream_name = "rt5650_rt5676 intercodec", 215 .no_pcm = 1, 216 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 217 SND_SOC_DAIFMT_CBM_CFM, 218 SND_SOC_DAILINK_REG(intercodec), 219 }, 220 }; 221 222 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = { 223 { 224 .name_prefix = "Sub", 225 }, 226 }; 227 228 static struct snd_soc_card mt8173_rt5650_rt5676_card = { 229 .name = "mtk-rt5650-rt5676", 230 .owner = THIS_MODULE, 231 .dai_link = mt8173_rt5650_rt5676_dais, 232 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais), 233 .codec_conf = mt8173_rt5650_rt5676_codec_conf, 234 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf), 235 .controls = mt8173_rt5650_rt5676_controls, 236 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls), 237 .dapm_widgets = mt8173_rt5650_rt5676_widgets, 238 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets), 239 .dapm_routes = mt8173_rt5650_rt5676_routes, 240 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes), 241 }; 242 243 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev) 244 { 245 struct snd_soc_card *card = &mt8173_rt5650_rt5676_card; 246 struct device_node *platform_node; 247 struct snd_soc_dai_link *dai_link; 248 int i, ret; 249 250 platform_node = of_parse_phandle(pdev->dev.of_node, 251 "mediatek,platform", 0); 252 if (!platform_node) { 253 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); 254 return -EINVAL; 255 } 256 257 for_each_card_prelinks(card, i, dai_link) { 258 if (dai_link->platforms->name) 259 continue; 260 dai_link->platforms->of_node = platform_node; 261 } 262 263 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node = 264 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); 265 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) { 266 dev_err(&pdev->dev, 267 "Property 'audio-codec' missing or invalid\n"); 268 ret = -EINVAL; 269 goto put_node; 270 } 271 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node = 272 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); 273 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) { 274 dev_err(&pdev->dev, 275 "Property 'audio-codec' missing or invalid\n"); 276 ret = -EINVAL; 277 goto put_node; 278 } 279 mt8173_rt5650_rt5676_codec_conf[0].dlc.of_node = 280 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node; 281 282 mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codecs->of_node = 283 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node; 284 285 mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node = 286 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2); 287 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node) { 288 dev_err(&pdev->dev, 289 "Property 'audio-codec' missing or invalid\n"); 290 ret = -EINVAL; 291 goto put_node; 292 } 293 294 card->dev = &pdev->dev; 295 296 ret = devm_snd_soc_register_card(&pdev->dev, card); 297 298 put_node: 299 of_node_put(platform_node); 300 return ret; 301 } 302 303 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = { 304 { .compatible = "mediatek,mt8173-rt5650-rt5676", }, 305 { } 306 }; 307 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match); 308 309 static struct platform_driver mt8173_rt5650_rt5676_driver = { 310 .driver = { 311 .name = "mtk-rt5650-rt5676", 312 .of_match_table = mt8173_rt5650_rt5676_dt_match, 313 .pm = &snd_soc_pm_ops, 314 }, 315 .probe = mt8173_rt5650_rt5676_dev_probe, 316 }; 317 318 module_platform_driver(mt8173_rt5650_rt5676_driver); 319 320 /* Module information */ 321 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver"); 322 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); 323 MODULE_LICENSE("GPL v2"); 324 MODULE_ALIAS("platform:mtk-rt5650-rt5676"); 325 326