1 // SPDX-License-Identifier: GPL-2.0 2 // 3 // MediaTek ALSA SoC Audio DAI I2S Control 4 // 5 // Copyright (c) 2020 MediaTek Inc. 6 // Author: Shane Chien <shane.chien@mediatek.com> 7 // 8 9 #include <linux/regmap.h> 10 #include <sound/pcm_params.h> 11 12 #include "mt8192-afe-common.h" 13 #include "mt8192-interconnection.h" 14 15 enum AUD_TX_LCH_RPT { 16 AUD_TX_LCH_RPT_NO_REPEAT = 0, 17 AUD_TX_LCH_RPT_REPEAT = 1 18 }; 19 20 enum AUD_VBT_16K_MODE { 21 AUD_VBT_16K_MODE_DISABLE = 0, 22 AUD_VBT_16K_MODE_ENABLE = 1 23 }; 24 25 enum AUD_EXT_MODEM { 26 AUD_EXT_MODEM_SELECT_INTERNAL = 0, 27 AUD_EXT_MODEM_SELECT_EXTERNAL = 1 28 }; 29 30 enum AUD_PCM_SYNC_TYPE { 31 /* bck sync length = 1 */ 32 AUD_PCM_ONE_BCK_CYCLE_SYNC = 0, 33 /* bck sync length = PCM_INTF_CON1[9:13] */ 34 AUD_PCM_EXTENDED_BCK_CYCLE_SYNC = 1 35 }; 36 37 enum AUD_BT_MODE { 38 AUD_BT_MODE_DUAL_MIC_ON_TX = 0, 39 AUD_BT_MODE_SINGLE_MIC_ON_TX = 1 40 }; 41 42 enum AUD_PCM_AFIFO_SRC { 43 /* slave mode & external modem uses different crystal */ 44 AUD_PCM_AFIFO_ASRC = 0, 45 /* slave mode & external modem uses the same crystal */ 46 AUD_PCM_AFIFO_AFIFO = 1 47 }; 48 49 enum AUD_PCM_CLOCK_SOURCE { 50 AUD_PCM_CLOCK_MASTER_MODE = 0, 51 AUD_PCM_CLOCK_SLAVE_MODE = 1 52 }; 53 54 enum AUD_PCM_WLEN { 55 AUD_PCM_WLEN_PCM_32_BCK_CYCLES = 0, 56 AUD_PCM_WLEN_PCM_64_BCK_CYCLES = 1 57 }; 58 59 enum AUD_PCM_MODE { 60 AUD_PCM_MODE_PCM_MODE_8K = 0, 61 AUD_PCM_MODE_PCM_MODE_16K = 1, 62 AUD_PCM_MODE_PCM_MODE_32K = 2, 63 AUD_PCM_MODE_PCM_MODE_48K = 3, 64 }; 65 66 enum AUD_PCM_FMT { 67 AUD_PCM_FMT_I2S = 0, 68 AUD_PCM_FMT_EIAJ = 1, 69 AUD_PCM_FMT_PCM_MODE_A = 2, 70 AUD_PCM_FMT_PCM_MODE_B = 3 71 }; 72 73 enum AUD_BCLK_OUT_INV { 74 AUD_BCLK_OUT_INV_NO_INVERSE = 0, 75 AUD_BCLK_OUT_INV_INVERSE = 1 76 }; 77 78 enum AUD_PCM_EN { 79 AUD_PCM_EN_DISABLE = 0, 80 AUD_PCM_EN_ENABLE = 1 81 }; 82 83 /* dai component */ 84 static const struct snd_kcontrol_new mtk_pcm_1_playback_ch1_mix[] = { 85 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN7, 86 I_ADDA_UL_CH1, 1, 0), 87 SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN7, 88 I_DL2_CH1, 1, 0), 89 SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN7_1, 90 I_DL4_CH1, 1, 0), 91 }; 92 93 static const struct snd_kcontrol_new mtk_pcm_1_playback_ch2_mix[] = { 94 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN8, 95 I_ADDA_UL_CH2, 1, 0), 96 SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN8, 97 I_DL2_CH2, 1, 0), 98 SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN8_1, 99 I_DL4_CH2, 1, 0), 100 }; 101 102 static const struct snd_kcontrol_new mtk_pcm_1_playback_ch4_mix[] = { 103 SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH1", AFE_CONN27, 104 I_I2S0_CH1, 1, 0), 105 SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2", AFE_CONN27, 106 I_I2S0_CH2, 1, 0), 107 SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN27, 108 I_DL1_CH1, 1, 0), 109 SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH1", AFE_CONN27, 110 I_I2S2_CH1, 1, 0), 111 SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN27, 112 I_I2S2_CH2, 1, 0), 113 SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN27_1, 114 I_DL4_CH1, 1, 0), 115 }; 116 117 static const struct snd_kcontrol_new mtk_pcm_2_playback_ch1_mix[] = { 118 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN17, 119 I_ADDA_UL_CH1, 1, 0), 120 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN17, 121 I_ADDA_UL_CH2, 1, 0), 122 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3", AFE_CONN17, 123 I_ADDA_UL_CH3, 1, 0), 124 SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN17, 125 I_DL2_CH1, 1, 0), 126 SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN17_1, 127 I_DL4_CH1, 1, 0), 128 }; 129 130 static const struct snd_kcontrol_new mtk_pcm_2_playback_ch2_mix[] = { 131 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN18, 132 I_ADDA_UL_CH1, 1, 0), 133 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN18, 134 I_ADDA_UL_CH2, 1, 0), 135 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3", AFE_CONN18, 136 I_ADDA_UL_CH3, 1, 0), 137 SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN18, 138 I_DL2_CH2, 1, 0), 139 SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN18_1, 140 I_DL4_CH2, 1, 0), 141 }; 142 143 static const struct snd_kcontrol_new mtk_pcm_2_playback_ch3_mix[] = { 144 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3", AFE_CONN23, 145 I_ADDA_UL_CH3, 1, 0), 146 }; 147 148 static const struct snd_kcontrol_new mtk_pcm_2_playback_ch4_mix[] = { 149 SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH1", AFE_CONN24, 150 I_I2S0_CH1, 1, 0), 151 SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2", AFE_CONN24, 152 I_I2S0_CH2, 1, 0), 153 SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN24, 154 I_DL1_CH1, 1, 0), 155 SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH1", AFE_CONN24, 156 I_I2S2_CH1, 1, 0), 157 SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN24, 158 I_I2S2_CH2, 1, 0), 159 SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN24_1, 160 I_DL4_CH1, 1, 0), 161 }; 162 163 static const struct snd_kcontrol_new mtk_pcm_2_playback_ch5_mix[] = { 164 SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2", AFE_CONN25, 165 I_I2S0_CH2, 1, 0), 166 SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN25, 167 I_DL1_CH2, 1, 0), 168 SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN25, 169 I_I2S2_CH2, 1, 0), 170 SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN25_1, 171 I_DL4_CH2, 1, 0), 172 }; 173 174 static int mtk_pcm_en_event(struct snd_soc_dapm_widget *w, 175 struct snd_kcontrol *kcontrol, 176 int event) 177 { 178 struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm); 179 struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt); 180 181 dev_info(afe->dev, "%s(), name %s, event 0x%x\n", 182 __func__, w->name, event); 183 return 0; 184 } 185 186 static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] = { 187 /* inter-connections */ 188 SND_SOC_DAPM_MIXER("PCM_1_PB_CH1", SND_SOC_NOPM, 0, 0, 189 mtk_pcm_1_playback_ch1_mix, 190 ARRAY_SIZE(mtk_pcm_1_playback_ch1_mix)), 191 SND_SOC_DAPM_MIXER("PCM_1_PB_CH2", SND_SOC_NOPM, 0, 0, 192 mtk_pcm_1_playback_ch2_mix, 193 ARRAY_SIZE(mtk_pcm_1_playback_ch2_mix)), 194 SND_SOC_DAPM_MIXER("PCM_1_PB_CH4", SND_SOC_NOPM, 0, 0, 195 mtk_pcm_1_playback_ch4_mix, 196 ARRAY_SIZE(mtk_pcm_1_playback_ch4_mix)), 197 SND_SOC_DAPM_MIXER("PCM_2_PB_CH1", SND_SOC_NOPM, 0, 0, 198 mtk_pcm_2_playback_ch1_mix, 199 ARRAY_SIZE(mtk_pcm_2_playback_ch1_mix)), 200 SND_SOC_DAPM_MIXER("PCM_2_PB_CH2", SND_SOC_NOPM, 0, 0, 201 mtk_pcm_2_playback_ch2_mix, 202 ARRAY_SIZE(mtk_pcm_2_playback_ch2_mix)), 203 SND_SOC_DAPM_MIXER("PCM_2_PB_CH3", SND_SOC_NOPM, 0, 0, 204 mtk_pcm_2_playback_ch3_mix, 205 ARRAY_SIZE(mtk_pcm_2_playback_ch3_mix)), 206 SND_SOC_DAPM_MIXER("PCM_2_PB_CH4", SND_SOC_NOPM, 0, 0, 207 mtk_pcm_2_playback_ch4_mix, 208 ARRAY_SIZE(mtk_pcm_2_playback_ch4_mix)), 209 SND_SOC_DAPM_MIXER("PCM_2_PB_CH5", SND_SOC_NOPM, 0, 0, 210 mtk_pcm_2_playback_ch5_mix, 211 ARRAY_SIZE(mtk_pcm_2_playback_ch5_mix)), 212 213 SND_SOC_DAPM_SUPPLY("PCM_1_EN", 214 PCM_INTF_CON1, PCM_EN_SFT, 0, 215 mtk_pcm_en_event, 216 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 217 218 SND_SOC_DAPM_SUPPLY("PCM_2_EN", 219 PCM2_INTF_CON, PCM2_EN_SFT, 0, 220 mtk_pcm_en_event, 221 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 222 223 SND_SOC_DAPM_INPUT("MD1_TO_AFE"), 224 SND_SOC_DAPM_INPUT("MD2_TO_AFE"), 225 SND_SOC_DAPM_OUTPUT("AFE_TO_MD1"), 226 SND_SOC_DAPM_OUTPUT("AFE_TO_MD2"), 227 }; 228 229 static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] = { 230 {"PCM 1 Playback", NULL, "PCM_1_PB_CH1"}, 231 {"PCM 1 Playback", NULL, "PCM_1_PB_CH2"}, 232 {"PCM 1 Playback", NULL, "PCM_1_PB_CH4"}, 233 {"PCM 2 Playback", NULL, "PCM_2_PB_CH1"}, 234 {"PCM 2 Playback", NULL, "PCM_2_PB_CH2"}, 235 {"PCM 2 Playback", NULL, "PCM_2_PB_CH3"}, 236 {"PCM 2 Playback", NULL, "PCM_2_PB_CH4"}, 237 {"PCM 2 Playback", NULL, "PCM_2_PB_CH5"}, 238 239 {"PCM 1 Playback", NULL, "PCM_1_EN"}, 240 {"PCM 2 Playback", NULL, "PCM_2_EN"}, 241 {"PCM 1 Capture", NULL, "PCM_1_EN"}, 242 {"PCM 2 Capture", NULL, "PCM_2_EN"}, 243 244 {"AFE_TO_MD1", NULL, "PCM 2 Playback"}, 245 {"AFE_TO_MD2", NULL, "PCM 1 Playback"}, 246 {"PCM 2 Capture", NULL, "MD1_TO_AFE"}, 247 {"PCM 1 Capture", NULL, "MD2_TO_AFE"}, 248 249 {"PCM_1_PB_CH1", "DL2_CH1", "DL2"}, 250 {"PCM_1_PB_CH2", "DL2_CH2", "DL2"}, 251 {"PCM_1_PB_CH4", "DL1_CH1", "DL1"}, 252 {"PCM_2_PB_CH1", "DL2_CH1", "DL2"}, 253 {"PCM_2_PB_CH2", "DL2_CH2", "DL2"}, 254 {"PCM_2_PB_CH4", "DL1_CH1", "DL1"}, 255 256 {"PCM_1_PB_CH1", "DL4_CH1", "DL4"}, 257 {"PCM_1_PB_CH2", "DL4_CH2", "DL4"}, 258 {"PCM_1_PB_CH4", "DL4_CH1", "DL4"}, 259 {"PCM_2_PB_CH1", "DL4_CH1", "DL4"}, 260 {"PCM_2_PB_CH2", "DL4_CH2", "DL4"}, 261 {"PCM_2_PB_CH4", "DL4_CH1", "DL4"}, 262 {"PCM_1_PB_CH4", "I2S0_CH1", "I2S0"}, 263 {"PCM_2_PB_CH4", "I2S2_CH1", "I2S2"}, 264 {"PCM_2_PB_CH5", "DL1_CH2", "DL1"}, 265 {"PCM_2_PB_CH5", "DL4_CH2", "DL4"}, 266 {"PCM_2_PB_CH5", "I2S0_CH2", "I2S0"}, 267 {"PCM_2_PB_CH5", "I2S2_CH2", "I2S2"}, 268 }; 269 270 /* dai ops */ 271 static int mtk_dai_pcm_hw_params(struct snd_pcm_substream *substream, 272 struct snd_pcm_hw_params *params, 273 struct snd_soc_dai *dai) 274 { 275 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); 276 unsigned int rate = params_rate(params); 277 unsigned int rate_reg = mt8192_rate_transform(afe->dev, rate, dai->id); 278 unsigned int pcm_con = 0; 279 280 dev_info(afe->dev, "%s(), id %d, stream %d, rate %d, rate_reg %d, widget active p %d, c %d\n", 281 __func__, 282 dai->id, 283 substream->stream, 284 rate, 285 rate_reg, 286 dai->playback_widget->active, 287 dai->capture_widget->active); 288 289 if (dai->playback_widget->active || dai->capture_widget->active) 290 return 0; 291 292 switch (dai->id) { 293 case MT8192_DAI_PCM_1: 294 pcm_con |= AUD_BCLK_OUT_INV_NO_INVERSE << PCM_BCLK_OUT_INV_SFT; 295 pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM_TX_LCH_RPT_SFT; 296 pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM_VBT_16K_MODE_SFT; 297 pcm_con |= AUD_EXT_MODEM_SELECT_INTERNAL << PCM_EXT_MODEM_SFT; 298 pcm_con |= 0 << PCM_SYNC_LENGTH_SFT; 299 pcm_con |= AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM_SYNC_TYPE_SFT; 300 pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM_BT_MODE_SFT; 301 pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM_BYP_ASRC_SFT; 302 pcm_con |= AUD_PCM_CLOCK_SLAVE_MODE << PCM_SLAVE_SFT; 303 pcm_con |= rate_reg << PCM_MODE_SFT; 304 pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM_FMT_SFT; 305 306 regmap_update_bits(afe->regmap, PCM_INTF_CON1, 307 0xfffffffe, pcm_con); 308 break; 309 case MT8192_DAI_PCM_2: 310 pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM2_TX_LCH_RPT_SFT; 311 pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM2_VBT_16K_MODE_SFT; 312 pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM2_BT_MODE_SFT; 313 pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM2_AFIFO_SFT; 314 pcm_con |= AUD_PCM_WLEN_PCM_32_BCK_CYCLES << PCM2_WLEN_SFT; 315 pcm_con |= rate_reg << PCM2_MODE_SFT; 316 pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM2_FMT_SFT; 317 318 regmap_update_bits(afe->regmap, PCM2_INTF_CON, 319 0xfffffffe, pcm_con); 320 break; 321 default: 322 dev_warn(afe->dev, "%s(), id %d not support\n", 323 __func__, dai->id); 324 return -EINVAL; 325 } 326 327 return 0; 328 } 329 330 static const struct snd_soc_dai_ops mtk_dai_pcm_ops = { 331 .hw_params = mtk_dai_pcm_hw_params, 332 }; 333 334 /* dai driver */ 335 #define MTK_PCM_RATES (SNDRV_PCM_RATE_8000 |\ 336 SNDRV_PCM_RATE_16000 |\ 337 SNDRV_PCM_RATE_32000 |\ 338 SNDRV_PCM_RATE_48000) 339 340 #define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ 341 SNDRV_PCM_FMTBIT_S24_LE |\ 342 SNDRV_PCM_FMTBIT_S32_LE) 343 344 static struct snd_soc_dai_driver mtk_dai_pcm_driver[] = { 345 { 346 .name = "PCM 1", 347 .id = MT8192_DAI_PCM_1, 348 .playback = { 349 .stream_name = "PCM 1 Playback", 350 .channels_min = 1, 351 .channels_max = 2, 352 .rates = MTK_PCM_RATES, 353 .formats = MTK_PCM_FORMATS, 354 }, 355 .capture = { 356 .stream_name = "PCM 1 Capture", 357 .channels_min = 1, 358 .channels_max = 2, 359 .rates = MTK_PCM_RATES, 360 .formats = MTK_PCM_FORMATS, 361 }, 362 .ops = &mtk_dai_pcm_ops, 363 .symmetric_rate = 1, 364 .symmetric_sample_bits = 1, 365 }, 366 { 367 .name = "PCM 2", 368 .id = MT8192_DAI_PCM_2, 369 .playback = { 370 .stream_name = "PCM 2 Playback", 371 .channels_min = 1, 372 .channels_max = 2, 373 .rates = MTK_PCM_RATES, 374 .formats = MTK_PCM_FORMATS, 375 }, 376 .capture = { 377 .stream_name = "PCM 2 Capture", 378 .channels_min = 1, 379 .channels_max = 2, 380 .rates = MTK_PCM_RATES, 381 .formats = MTK_PCM_FORMATS, 382 }, 383 .ops = &mtk_dai_pcm_ops, 384 .symmetric_rate = 1, 385 .symmetric_sample_bits = 1, 386 }, 387 }; 388 389 int mt8192_dai_pcm_register(struct mtk_base_afe *afe) 390 { 391 struct mtk_base_afe_dai *dai; 392 393 dev_info(afe->dev, "%s()\n", __func__); 394 395 dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL); 396 if (!dai) 397 return -ENOMEM; 398 399 list_add(&dai->list, &afe->sub_dais); 400 401 dai->dai_drivers = mtk_dai_pcm_driver; 402 dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver); 403 404 dai->dapm_widgets = mtk_dai_pcm_widgets; 405 dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets); 406 dai->dapm_routes = mtk_dai_pcm_routes; 407 dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes); 408 return 0; 409 } 410