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 struct snd_soc_jack_pin mt8173_rt5650_rt5676_jack_pins[] = { 48 { 49 .pin = "Headphone", 50 .mask = SND_JACK_HEADPHONE, 51 }, 52 { 53 .pin = "Headset Mic", 54 .mask = SND_JACK_MICROPHONE, 55 }, 56 }; 57 58 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream, 59 struct snd_pcm_hw_params *params) 60 { 61 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 62 struct snd_soc_dai *codec_dai; 63 int i, ret; 64 65 for_each_rtd_codec_dais(rtd, i, codec_dai) { 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 const 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_component *component = asoc_rtd_to_codec(runtime, 0)->component; 92 struct snd_soc_component *component_sub = asoc_rtd_to_codec(runtime, 1)->component; 93 int ret; 94 95 rt5645_sel_asrc_clk_src(component, 96 RT5645_DA_STEREO_FILTER | 97 RT5645_AD_STEREO_FILTER, 98 RT5645_CLK_SEL_I2S1_ASRC); 99 rt5677_sel_asrc_clk_src(component_sub, 100 RT5677_DA_STEREO_FILTER | 101 RT5677_AD_STEREO1_FILTER, 102 RT5677_CLK_SEL_I2S1_ASRC); 103 rt5677_sel_asrc_clk_src(component_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_pins(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, 114 mt8173_rt5650_rt5676_jack_pins, 115 ARRAY_SIZE(mt8173_rt5650_rt5676_jack_pins)); 116 if (ret) { 117 dev_err(card->dev, "Can't new Headset Jack %d\n", ret); 118 return ret; 119 } 120 121 return rt5645_set_jack_detect(component, 122 &mt8173_rt5650_rt5676_jack, 123 &mt8173_rt5650_rt5676_jack, 124 &mt8173_rt5650_rt5676_jack); 125 } 126 127 128 enum { 129 DAI_LINK_PLAYBACK, 130 DAI_LINK_CAPTURE, 131 DAI_LINK_HDMI, 132 DAI_LINK_CODEC_I2S, 133 DAI_LINK_HDMI_I2S, 134 DAI_LINK_INTERCODEC 135 }; 136 137 SND_SOC_DAILINK_DEFS(playback, 138 DAILINK_COMP_ARRAY(COMP_CPU("DL1")), 139 DAILINK_COMP_ARRAY(COMP_DUMMY()), 140 DAILINK_COMP_ARRAY(COMP_EMPTY())); 141 142 SND_SOC_DAILINK_DEFS(capture, 143 DAILINK_COMP_ARRAY(COMP_CPU("VUL")), 144 DAILINK_COMP_ARRAY(COMP_DUMMY()), 145 DAILINK_COMP_ARRAY(COMP_EMPTY())); 146 147 SND_SOC_DAILINK_DEFS(hdmi_pcm, 148 DAILINK_COMP_ARRAY(COMP_CPU("HDMI")), 149 DAILINK_COMP_ARRAY(COMP_DUMMY()), 150 DAILINK_COMP_ARRAY(COMP_EMPTY())); 151 152 SND_SOC_DAILINK_DEFS(codec, 153 DAILINK_COMP_ARRAY(COMP_CPU("I2S")), 154 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"), 155 COMP_CODEC(NULL, "rt5677-aif1")), 156 DAILINK_COMP_ARRAY(COMP_EMPTY())); 157 158 SND_SOC_DAILINK_DEFS(hdmi_be, 159 DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")), 160 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")), 161 DAILINK_COMP_ARRAY(COMP_EMPTY())); 162 163 SND_SOC_DAILINK_DEFS(intercodec, 164 DAILINK_COMP_ARRAY(COMP_DUMMY()), 165 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif2")), 166 DAILINK_COMP_ARRAY(COMP_DUMMY())); 167 168 /* Digital audio interface glue - connects codec <---> CPU */ 169 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { 170 /* Front End DAI links */ 171 [DAI_LINK_PLAYBACK] = { 172 .name = "rt5650_rt5676 Playback", 173 .stream_name = "rt5650_rt5676 Playback", 174 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 175 .dynamic = 1, 176 .dpcm_playback = 1, 177 SND_SOC_DAILINK_REG(playback), 178 }, 179 [DAI_LINK_CAPTURE] = { 180 .name = "rt5650_rt5676 Capture", 181 .stream_name = "rt5650_rt5676 Capture", 182 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 183 .dynamic = 1, 184 .dpcm_capture = 1, 185 SND_SOC_DAILINK_REG(capture), 186 }, 187 [DAI_LINK_HDMI] = { 188 .name = "HDMI", 189 .stream_name = "HDMI PCM", 190 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 191 .dynamic = 1, 192 .dpcm_playback = 1, 193 SND_SOC_DAILINK_REG(hdmi_pcm), 194 }, 195 196 /* Back End DAI links */ 197 [DAI_LINK_CODEC_I2S] = { 198 .name = "Codec", 199 .no_pcm = 1, 200 .init = mt8173_rt5650_rt5676_init, 201 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 202 SND_SOC_DAIFMT_CBS_CFS, 203 .ops = &mt8173_rt5650_rt5676_ops, 204 .ignore_pmdown_time = 1, 205 .dpcm_playback = 1, 206 .dpcm_capture = 1, 207 SND_SOC_DAILINK_REG(codec), 208 }, 209 [DAI_LINK_HDMI_I2S] = { 210 .name = "HDMI BE", 211 .no_pcm = 1, 212 .dpcm_playback = 1, 213 SND_SOC_DAILINK_REG(hdmi_be), 214 }, 215 /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */ 216 [DAI_LINK_INTERCODEC] = { 217 .name = "rt5650_rt5676 intercodec", 218 .stream_name = "rt5650_rt5676 intercodec", 219 .no_pcm = 1, 220 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 221 SND_SOC_DAIFMT_CBM_CFM, 222 SND_SOC_DAILINK_REG(intercodec), 223 }, 224 }; 225 226 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = { 227 { 228 .name_prefix = "Sub", 229 }, 230 }; 231 232 static struct snd_soc_card mt8173_rt5650_rt5676_card = { 233 .name = "mtk-rt5650-rt5676", 234 .owner = THIS_MODULE, 235 .dai_link = mt8173_rt5650_rt5676_dais, 236 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais), 237 .codec_conf = mt8173_rt5650_rt5676_codec_conf, 238 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf), 239 .controls = mt8173_rt5650_rt5676_controls, 240 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls), 241 .dapm_widgets = mt8173_rt5650_rt5676_widgets, 242 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets), 243 .dapm_routes = mt8173_rt5650_rt5676_routes, 244 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes), 245 }; 246 247 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev) 248 { 249 struct snd_soc_card *card = &mt8173_rt5650_rt5676_card; 250 struct device_node *platform_node; 251 struct snd_soc_dai_link *dai_link; 252 int i, ret; 253 254 platform_node = of_parse_phandle(pdev->dev.of_node, 255 "mediatek,platform", 0); 256 if (!platform_node) { 257 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); 258 return -EINVAL; 259 } 260 261 for_each_card_prelinks(card, i, dai_link) { 262 if (dai_link->platforms->name) 263 continue; 264 dai_link->platforms->of_node = platform_node; 265 } 266 267 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node = 268 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); 269 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) { 270 dev_err(&pdev->dev, 271 "Property 'audio-codec' missing or invalid\n"); 272 ret = -EINVAL; 273 goto put_node; 274 } 275 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node = 276 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); 277 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) { 278 dev_err(&pdev->dev, 279 "Property 'audio-codec' missing or invalid\n"); 280 ret = -EINVAL; 281 goto put_node; 282 } 283 mt8173_rt5650_rt5676_codec_conf[0].dlc.of_node = 284 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node; 285 286 mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codecs->of_node = 287 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node; 288 289 mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node = 290 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2); 291 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node) { 292 dev_err(&pdev->dev, 293 "Property 'audio-codec' missing or invalid\n"); 294 ret = -EINVAL; 295 goto put_node; 296 } 297 298 card->dev = &pdev->dev; 299 300 ret = devm_snd_soc_register_card(&pdev->dev, card); 301 302 put_node: 303 of_node_put(platform_node); 304 return ret; 305 } 306 307 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = { 308 { .compatible = "mediatek,mt8173-rt5650-rt5676", }, 309 { } 310 }; 311 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match); 312 313 static struct platform_driver mt8173_rt5650_rt5676_driver = { 314 .driver = { 315 .name = "mtk-rt5650-rt5676", 316 .of_match_table = mt8173_rt5650_rt5676_dt_match, 317 .pm = &snd_soc_pm_ops, 318 }, 319 .probe = mt8173_rt5650_rt5676_dev_probe, 320 }; 321 322 module_platform_driver(mt8173_rt5650_rt5676_driver); 323 324 /* Module information */ 325 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver"); 326 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); 327 MODULE_LICENSE("GPL v2"); 328 MODULE_ALIAS("platform:mtk-rt5650-rt5676"); 329 330