1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * This driver supports the digital controls for the internal codec 4 * found in Allwinner's A33 SoCs. 5 * 6 * (C) Copyright 2010-2016 7 * Reuuimlla Technology Co., Ltd. <www.reuuimllatech.com> 8 * huangxin <huangxin@Reuuimllatech.com> 9 * Mylène Josserand <mylene.josserand@free-electrons.com> 10 */ 11 12 #include <linux/module.h> 13 #include <linux/delay.h> 14 #include <linux/clk.h> 15 #include <linux/input.h> 16 #include <linux/io.h> 17 #include <linux/irq.h> 18 #include <linux/mutex.h> 19 #include <linux/of.h> 20 #include <linux/pm_runtime.h> 21 #include <linux/regmap.h> 22 #include <linux/log2.h> 23 24 #include <sound/jack.h> 25 #include <sound/pcm_params.h> 26 #include <sound/soc.h> 27 #include <sound/soc-dapm.h> 28 #include <sound/tlv.h> 29 30 #define SUN8I_SYSCLK_CTL 0x00c 31 #define SUN8I_SYSCLK_CTL_AIF1CLK_ENA 11 32 #define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL (0x2 << 8) 33 #define SUN8I_SYSCLK_CTL_AIF2CLK_ENA 7 34 #define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL (0x2 << 4) 35 #define SUN8I_SYSCLK_CTL_SYSCLK_ENA 3 36 #define SUN8I_SYSCLK_CTL_SYSCLK_SRC 0 37 #define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK (0x0 << 0) 38 #define SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF2CLK (0x1 << 0) 39 #define SUN8I_MOD_CLK_ENA 0x010 40 #define SUN8I_MOD_CLK_ENA_AIF1 15 41 #define SUN8I_MOD_CLK_ENA_AIF2 14 42 #define SUN8I_MOD_CLK_ENA_AIF3 13 43 #define SUN8I_MOD_CLK_ENA_ADC 3 44 #define SUN8I_MOD_CLK_ENA_DAC 2 45 #define SUN8I_MOD_RST_CTL 0x014 46 #define SUN8I_MOD_RST_CTL_AIF1 15 47 #define SUN8I_MOD_RST_CTL_AIF2 14 48 #define SUN8I_MOD_RST_CTL_AIF3 13 49 #define SUN8I_MOD_RST_CTL_ADC 3 50 #define SUN8I_MOD_RST_CTL_DAC 2 51 #define SUN8I_SYS_SR_CTRL 0x018 52 #define SUN8I_SYS_SR_CTRL_AIF1_FS 12 53 #define SUN8I_SYS_SR_CTRL_AIF2_FS 8 54 #define SUN8I_AIF_CLK_CTRL(n) (0x040 * (1 + (n))) 55 #define SUN8I_AIF_CLK_CTRL_MSTR_MOD 15 56 #define SUN8I_AIF_CLK_CTRL_CLK_INV 13 57 #define SUN8I_AIF_CLK_CTRL_BCLK_DIV 9 58 #define SUN8I_AIF_CLK_CTRL_LRCK_DIV 6 59 #define SUN8I_AIF_CLK_CTRL_WORD_SIZ 4 60 #define SUN8I_AIF_CLK_CTRL_DATA_FMT 2 61 #define SUN8I_AIF1_ADCDAT_CTRL 0x044 62 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA 15 63 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA 14 64 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC 10 65 #define SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC 8 66 #define SUN8I_AIF1_DACDAT_CTRL 0x048 67 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA 15 68 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA 14 69 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC 10 70 #define SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC 8 71 #define SUN8I_AIF1_MXR_SRC 0x04c 72 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L 15 73 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL 14 74 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_ADCL 13 75 #define SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACR 12 76 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R 11 77 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR 10 78 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR 9 79 #define SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL 8 80 #define SUN8I_AIF1_VOL_CTRL1 0x050 81 #define SUN8I_AIF1_VOL_CTRL1_AD0L_VOL 8 82 #define SUN8I_AIF1_VOL_CTRL1_AD0R_VOL 0 83 #define SUN8I_AIF1_VOL_CTRL3 0x058 84 #define SUN8I_AIF1_VOL_CTRL3_DA0L_VOL 8 85 #define SUN8I_AIF1_VOL_CTRL3_DA0R_VOL 0 86 #define SUN8I_AIF2_ADCDAT_CTRL 0x084 87 #define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA 15 88 #define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA 14 89 #define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_SRC 10 90 #define SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_SRC 8 91 #define SUN8I_AIF2_DACDAT_CTRL 0x088 92 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA 15 93 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA 14 94 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC 10 95 #define SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC 8 96 #define SUN8I_AIF2_MXR_SRC 0x08c 97 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L 15 98 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L 14 99 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR 13 100 #define SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL 12 101 #define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R 11 102 #define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R 10 103 #define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL 9 104 #define SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR 8 105 #define SUN8I_AIF2_VOL_CTRL1 0x090 106 #define SUN8I_AIF2_VOL_CTRL1_ADCL_VOL 8 107 #define SUN8I_AIF2_VOL_CTRL1_ADCR_VOL 0 108 #define SUN8I_AIF2_VOL_CTRL2 0x098 109 #define SUN8I_AIF2_VOL_CTRL2_DACL_VOL 8 110 #define SUN8I_AIF2_VOL_CTRL2_DACR_VOL 0 111 #define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF1 (0x0 << 0) 112 #define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF2 (0x1 << 0) 113 #define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF1CLK (0x2 << 0) 114 #define SUN8I_AIF3_PATH_CTRL 0x0cc 115 #define SUN8I_AIF3_PATH_CTRL_AIF3_ADC_SRC 10 116 #define SUN8I_AIF3_PATH_CTRL_AIF2_DAC_SRC 8 117 #define SUN8I_AIF3_PATH_CTRL_AIF3_PINS_TRI 7 118 #define SUN8I_ADC_DIG_CTRL 0x100 119 #define SUN8I_ADC_DIG_CTRL_ENAD 15 120 #define SUN8I_ADC_DIG_CTRL_ADOUT_DTS 2 121 #define SUN8I_ADC_DIG_CTRL_ADOUT_DLY 1 122 #define SUN8I_ADC_VOL_CTRL 0x104 123 #define SUN8I_ADC_VOL_CTRL_ADCL_VOL 8 124 #define SUN8I_ADC_VOL_CTRL_ADCR_VOL 0 125 #define SUN8I_HMIC_CTRL1 0x110 126 #define SUN8I_HMIC_CTRL1_HMIC_M 12 127 #define SUN8I_HMIC_CTRL1_HMIC_N 8 128 #define SUN8I_HMIC_CTRL1_MDATA_THRESHOLD_DB 5 129 #define SUN8I_HMIC_CTRL1_JACK_OUT_IRQ_EN 4 130 #define SUN8I_HMIC_CTRL1_JACK_IN_IRQ_EN 3 131 #define SUN8I_HMIC_CTRL1_HMIC_DATA_IRQ_EN 0 132 #define SUN8I_HMIC_CTRL2 0x114 133 #define SUN8I_HMIC_CTRL2_HMIC_SAMPLE 14 134 #define SUN8I_HMIC_CTRL2_HMIC_MDATA_THRESHOLD 8 135 #define SUN8I_HMIC_CTRL2_HMIC_SF 6 136 #define SUN8I_HMIC_STS 0x118 137 #define SUN8I_HMIC_STS_MDATA_DISCARD 13 138 #define SUN8I_HMIC_STS_HMIC_DATA 8 139 #define SUN8I_HMIC_STS_JACK_OUT_IRQ_ST 4 140 #define SUN8I_HMIC_STS_JACK_IN_IRQ_ST 3 141 #define SUN8I_HMIC_STS_HMIC_DATA_IRQ_ST 0 142 #define SUN8I_DAC_DIG_CTRL 0x120 143 #define SUN8I_DAC_DIG_CTRL_ENDA 15 144 #define SUN8I_DAC_VOL_CTRL 0x124 145 #define SUN8I_DAC_VOL_CTRL_DACL_VOL 8 146 #define SUN8I_DAC_VOL_CTRL_DACR_VOL 0 147 #define SUN8I_DAC_MXR_SRC 0x130 148 #define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L 15 149 #define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L 14 150 #define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL 13 151 #define SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL 12 152 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R 11 153 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R 10 154 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR 9 155 #define SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR 8 156 157 #define SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK GENMASK(9, 8) 158 #define SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK GENMASK(5, 4) 159 #define SUN8I_SYS_SR_CTRL_AIF1_FS_MASK GENMASK(15, 12) 160 #define SUN8I_SYS_SR_CTRL_AIF2_FS_MASK GENMASK(11, 8) 161 #define SUN8I_AIF_CLK_CTRL_CLK_INV_MASK GENMASK(14, 13) 162 #define SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK GENMASK(12, 9) 163 #define SUN8I_AIF_CLK_CTRL_LRCK_DIV_MASK GENMASK(8, 6) 164 #define SUN8I_AIF_CLK_CTRL_WORD_SIZ_MASK GENMASK(5, 4) 165 #define SUN8I_AIF_CLK_CTRL_DATA_FMT_MASK GENMASK(3, 2) 166 #define SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_MASK GENMASK(1, 0) 167 #define SUN8I_HMIC_CTRL1_HMIC_M_MASK GENMASK(15, 12) 168 #define SUN8I_HMIC_CTRL1_HMIC_N_MASK GENMASK(11, 8) 169 #define SUN8I_HMIC_CTRL1_MDATA_THRESHOLD_DB_MASK GENMASK(6, 5) 170 #define SUN8I_HMIC_CTRL2_HMIC_SAMPLE_MASK GENMASK(15, 14) 171 #define SUN8I_HMIC_CTRL2_HMIC_SF_MASK GENMASK(7, 6) 172 #define SUN8I_HMIC_STS_HMIC_DATA_MASK GENMASK(12, 8) 173 174 #define SUN8I_CODEC_BUTTONS (SND_JACK_BTN_0|\ 175 SND_JACK_BTN_1|\ 176 SND_JACK_BTN_2|\ 177 SND_JACK_BTN_3) 178 179 #define SUN8I_CODEC_PASSTHROUGH_SAMPLE_RATE 48000 180 181 #define SUN8I_CODEC_PCM_FORMATS (SNDRV_PCM_FMTBIT_S8 |\ 182 SNDRV_PCM_FMTBIT_S16_LE |\ 183 SNDRV_PCM_FMTBIT_S20_LE |\ 184 SNDRV_PCM_FMTBIT_S24_LE |\ 185 SNDRV_PCM_FMTBIT_S20_3LE|\ 186 SNDRV_PCM_FMTBIT_S24_3LE) 187 188 #define SUN8I_CODEC_PCM_RATES (SNDRV_PCM_RATE_8000_48000|\ 189 SNDRV_PCM_RATE_88200 |\ 190 SNDRV_PCM_RATE_96000 |\ 191 SNDRV_PCM_RATE_176400 |\ 192 SNDRV_PCM_RATE_192000 |\ 193 SNDRV_PCM_RATE_KNOT) 194 195 enum { 196 SUN8I_CODEC_AIF1, 197 SUN8I_CODEC_AIF2, 198 SUN8I_CODEC_AIF3, 199 SUN8I_CODEC_NAIFS 200 }; 201 202 struct sun8i_codec_aif { 203 unsigned int lrck_div_order; 204 unsigned int sample_rate; 205 unsigned int slots; 206 unsigned int slot_width; 207 unsigned int active_streams : 2; 208 unsigned int open_streams : 2; 209 }; 210 211 struct sun8i_codec_quirks { 212 bool bus_clock : 1; 213 bool jack_detection : 1; 214 bool legacy_widgets : 1; 215 bool lrck_inversion : 1; 216 }; 217 218 enum { 219 SUN8I_JACK_STATUS_DISCONNECTED, 220 SUN8I_JACK_STATUS_WAITING_HBIAS, 221 SUN8I_JACK_STATUS_CONNECTED, 222 }; 223 224 struct sun8i_codec { 225 struct snd_soc_component *component; 226 struct regmap *regmap; 227 struct clk *clk_bus; 228 struct clk *clk_module; 229 const struct sun8i_codec_quirks *quirks; 230 struct sun8i_codec_aif aifs[SUN8I_CODEC_NAIFS]; 231 struct snd_soc_jack *jack; 232 struct delayed_work jack_work; 233 int jack_irq; 234 int jack_status; 235 int jack_type; 236 int jack_last_sample; 237 ktime_t jack_hbias_ready; 238 struct mutex jack_mutex; 239 int last_hmic_irq; 240 unsigned int sysclk_rate; 241 int sysclk_refcnt; 242 }; 243 244 static struct snd_soc_dai_driver sun8i_codec_dais[]; 245 246 static int sun8i_codec_runtime_resume(struct device *dev) 247 { 248 struct sun8i_codec *scodec = dev_get_drvdata(dev); 249 int ret; 250 251 if (scodec->clk_bus) { 252 ret = clk_prepare_enable(scodec->clk_bus); 253 if (ret) { 254 dev_err(dev, "Failed to enable the bus clock\n"); 255 return ret; 256 } 257 } 258 259 regcache_cache_only(scodec->regmap, false); 260 261 ret = regcache_sync(scodec->regmap); 262 if (ret) { 263 dev_err(dev, "Failed to sync regmap cache\n"); 264 return ret; 265 } 266 267 return 0; 268 } 269 270 static int sun8i_codec_runtime_suspend(struct device *dev) 271 { 272 struct sun8i_codec *scodec = dev_get_drvdata(dev); 273 274 regcache_cache_only(scodec->regmap, true); 275 regcache_mark_dirty(scodec->regmap); 276 277 if (scodec->clk_bus) 278 clk_disable_unprepare(scodec->clk_bus); 279 280 return 0; 281 } 282 283 static int sun8i_codec_get_hw_rate(unsigned int sample_rate) 284 { 285 switch (sample_rate) { 286 case 7350: 287 case 8000: 288 return 0x0; 289 case 11025: 290 return 0x1; 291 case 12000: 292 return 0x2; 293 case 14700: 294 case 16000: 295 return 0x3; 296 case 22050: 297 return 0x4; 298 case 24000: 299 return 0x5; 300 case 29400: 301 case 32000: 302 return 0x6; 303 case 44100: 304 return 0x7; 305 case 48000: 306 return 0x8; 307 case 88200: 308 case 96000: 309 return 0x9; 310 case 176400: 311 case 192000: 312 return 0xa; 313 default: 314 return -EINVAL; 315 } 316 } 317 318 static int sun8i_codec_update_sample_rate(struct sun8i_codec *scodec) 319 { 320 unsigned int max_rate = 0; 321 int hw_rate, i; 322 323 for (i = SUN8I_CODEC_AIF1; i < SUN8I_CODEC_NAIFS; ++i) { 324 struct sun8i_codec_aif *aif = &scodec->aifs[i]; 325 326 if (aif->active_streams) 327 max_rate = max(max_rate, aif->sample_rate); 328 } 329 330 /* Set the sample rate for ADC->DAC passthrough when no AIF is active. */ 331 if (!max_rate) 332 max_rate = SUN8I_CODEC_PASSTHROUGH_SAMPLE_RATE; 333 334 hw_rate = sun8i_codec_get_hw_rate(max_rate); 335 if (hw_rate < 0) 336 return hw_rate; 337 338 regmap_update_bits(scodec->regmap, SUN8I_SYS_SR_CTRL, 339 SUN8I_SYS_SR_CTRL_AIF1_FS_MASK, 340 hw_rate << SUN8I_SYS_SR_CTRL_AIF1_FS); 341 342 return 0; 343 } 344 345 static int sun8i_codec_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) 346 { 347 struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai); 348 u32 dsp_format, format, invert, value; 349 350 /* clock masters */ 351 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { 352 case SND_SOC_DAIFMT_CBC_CFC: /* Codec slave, DAI master */ 353 value = 0x1; 354 break; 355 case SND_SOC_DAIFMT_CBP_CFP: /* Codec Master, DAI slave */ 356 value = 0x0; 357 break; 358 default: 359 return -EINVAL; 360 } 361 362 if (dai->id == SUN8I_CODEC_AIF3) { 363 /* AIF3 only supports master mode. */ 364 if (value) 365 return -EINVAL; 366 367 /* Use the AIF2 BCLK and LRCK for AIF3. */ 368 regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id), 369 SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_MASK, 370 SUN8I_AIF3_CLK_CTRL_AIF3_CLK_SRC_AIF2); 371 } else { 372 regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id), 373 BIT(SUN8I_AIF_CLK_CTRL_MSTR_MOD), 374 value << SUN8I_AIF_CLK_CTRL_MSTR_MOD); 375 } 376 377 /* DAI format */ 378 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 379 case SND_SOC_DAIFMT_I2S: 380 format = 0x0; 381 break; 382 case SND_SOC_DAIFMT_LEFT_J: 383 format = 0x1; 384 break; 385 case SND_SOC_DAIFMT_RIGHT_J: 386 format = 0x2; 387 break; 388 case SND_SOC_DAIFMT_DSP_A: 389 format = 0x3; 390 dsp_format = 0x0; /* Set LRCK_INV to 0 */ 391 break; 392 case SND_SOC_DAIFMT_DSP_B: 393 format = 0x3; 394 dsp_format = 0x1; /* Set LRCK_INV to 1 */ 395 break; 396 default: 397 return -EINVAL; 398 } 399 400 if (dai->id == SUN8I_CODEC_AIF3) { 401 /* AIF3 only supports DSP mode. */ 402 if (format != 3) 403 return -EINVAL; 404 } else { 405 regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id), 406 SUN8I_AIF_CLK_CTRL_DATA_FMT_MASK, 407 format << SUN8I_AIF_CLK_CTRL_DATA_FMT); 408 } 409 410 /* clock inversion */ 411 switch (fmt & SND_SOC_DAIFMT_INV_MASK) { 412 case SND_SOC_DAIFMT_NB_NF: /* Normal */ 413 invert = 0x0; 414 break; 415 case SND_SOC_DAIFMT_NB_IF: /* Inverted LRCK */ 416 invert = 0x1; 417 break; 418 case SND_SOC_DAIFMT_IB_NF: /* Inverted BCLK */ 419 invert = 0x2; 420 break; 421 case SND_SOC_DAIFMT_IB_IF: /* Both inverted */ 422 invert = 0x3; 423 break; 424 default: 425 return -EINVAL; 426 } 427 428 if (format == 0x3) { 429 /* Inverted LRCK is not available in DSP mode. */ 430 if (invert & BIT(0)) 431 return -EINVAL; 432 433 /* Instead, the bit selects between DSP A/B formats. */ 434 invert |= dsp_format; 435 } else { 436 /* 437 * It appears that the DAI and the codec in the A33 SoC don't 438 * share the same polarity for the LRCK signal when they mean 439 * 'normal' and 'inverted' in the datasheet. 440 * 441 * Since the DAI here is our regular i2s driver that have been 442 * tested with way more codecs than just this one, it means 443 * that the codec probably gets it backward, and we have to 444 * invert the value here. 445 */ 446 invert ^= scodec->quirks->lrck_inversion; 447 } 448 449 regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id), 450 SUN8I_AIF_CLK_CTRL_CLK_INV_MASK, 451 invert << SUN8I_AIF_CLK_CTRL_CLK_INV); 452 453 return 0; 454 } 455 456 static int sun8i_codec_set_tdm_slot(struct snd_soc_dai *dai, 457 unsigned int tx_mask, unsigned int rx_mask, 458 int slots, int slot_width) 459 { 460 struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai); 461 struct sun8i_codec_aif *aif = &scodec->aifs[dai->id]; 462 463 if (slot_width && !is_power_of_2(slot_width)) 464 return -EINVAL; 465 466 aif->slots = slots; 467 aif->slot_width = slot_width; 468 469 return 0; 470 } 471 472 static const unsigned int sun8i_codec_rates[] = { 473 7350, 8000, 11025, 12000, 14700, 16000, 22050, 24000, 474 29400, 32000, 44100, 48000, 88200, 96000, 176400, 192000, 475 }; 476 477 static const struct snd_pcm_hw_constraint_list sun8i_codec_all_rates = { 478 .list = sun8i_codec_rates, 479 .count = ARRAY_SIZE(sun8i_codec_rates), 480 }; 481 482 static const struct snd_pcm_hw_constraint_list sun8i_codec_22M_rates = { 483 .list = sun8i_codec_rates, 484 .count = ARRAY_SIZE(sun8i_codec_rates), 485 .mask = 0x5555, 486 }; 487 488 static const struct snd_pcm_hw_constraint_list sun8i_codec_24M_rates = { 489 .list = sun8i_codec_rates, 490 .count = ARRAY_SIZE(sun8i_codec_rates), 491 .mask = 0xaaaa, 492 }; 493 494 static int sun8i_codec_startup(struct snd_pcm_substream *substream, 495 struct snd_soc_dai *dai) 496 { 497 struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai); 498 const struct snd_pcm_hw_constraint_list *list; 499 500 /* hw_constraints is not relevant for codec2codec DAIs. */ 501 if (dai->id != SUN8I_CODEC_AIF1) 502 return 0; 503 504 if (!scodec->sysclk_refcnt) 505 list = &sun8i_codec_all_rates; 506 else if (scodec->sysclk_rate == 22579200) 507 list = &sun8i_codec_22M_rates; 508 else if (scodec->sysclk_rate == 24576000) 509 list = &sun8i_codec_24M_rates; 510 else 511 return -EINVAL; 512 513 return snd_pcm_hw_constraint_list(substream->runtime, 0, 514 SNDRV_PCM_HW_PARAM_RATE, list); 515 } 516 517 struct sun8i_codec_clk_div { 518 u8 div; 519 u8 val; 520 }; 521 522 static const struct sun8i_codec_clk_div sun8i_codec_bclk_div[] = { 523 { .div = 1, .val = 0 }, 524 { .div = 2, .val = 1 }, 525 { .div = 4, .val = 2 }, 526 { .div = 6, .val = 3 }, 527 { .div = 8, .val = 4 }, 528 { .div = 12, .val = 5 }, 529 { .div = 16, .val = 6 }, 530 { .div = 24, .val = 7 }, 531 { .div = 32, .val = 8 }, 532 { .div = 48, .val = 9 }, 533 { .div = 64, .val = 10 }, 534 { .div = 96, .val = 11 }, 535 { .div = 128, .val = 12 }, 536 { .div = 192, .val = 13 }, 537 }; 538 539 static int sun8i_codec_get_bclk_div(unsigned int sysclk_rate, 540 unsigned int lrck_div_order, 541 unsigned int sample_rate) 542 { 543 unsigned int div = sysclk_rate / sample_rate >> lrck_div_order; 544 int i; 545 546 for (i = 0; i < ARRAY_SIZE(sun8i_codec_bclk_div); i++) { 547 const struct sun8i_codec_clk_div *bdiv = &sun8i_codec_bclk_div[i]; 548 549 if (bdiv->div == div) 550 return bdiv->val; 551 } 552 553 return -EINVAL; 554 } 555 556 static int sun8i_codec_get_lrck_div_order(unsigned int slots, 557 unsigned int slot_width) 558 { 559 unsigned int div = slots * slot_width; 560 561 if (div < 16 || div > 256) 562 return -EINVAL; 563 564 return order_base_2(div); 565 } 566 567 static unsigned int sun8i_codec_get_sysclk_rate(unsigned int sample_rate) 568 { 569 return (sample_rate % 4000) ? 22579200 : 24576000; 570 } 571 572 static int sun8i_codec_hw_params(struct snd_pcm_substream *substream, 573 struct snd_pcm_hw_params *params, 574 struct snd_soc_dai *dai) 575 { 576 struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai); 577 struct sun8i_codec_aif *aif = &scodec->aifs[dai->id]; 578 unsigned int sample_rate = params_rate(params); 579 unsigned int slots = aif->slots ?: params_channels(params); 580 unsigned int slot_width = aif->slot_width ?: params_width(params); 581 unsigned int sysclk_rate = sun8i_codec_get_sysclk_rate(sample_rate); 582 int bclk_div, lrck_div_order, ret, word_size; 583 u32 clk_reg; 584 585 /* word size */ 586 switch (params_width(params)) { 587 case 8: 588 word_size = 0x0; 589 break; 590 case 16: 591 word_size = 0x1; 592 break; 593 case 20: 594 word_size = 0x2; 595 break; 596 case 24: 597 word_size = 0x3; 598 break; 599 default: 600 return -EINVAL; 601 } 602 603 regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id), 604 SUN8I_AIF_CLK_CTRL_WORD_SIZ_MASK, 605 word_size << SUN8I_AIF_CLK_CTRL_WORD_SIZ); 606 607 /* LRCK divider (BCLK/LRCK ratio) */ 608 lrck_div_order = sun8i_codec_get_lrck_div_order(slots, slot_width); 609 if (lrck_div_order < 0) 610 return lrck_div_order; 611 612 if (dai->id == SUN8I_CODEC_AIF2 || dai->id == SUN8I_CODEC_AIF3) { 613 /* AIF2 and AIF3 share AIF2's BCLK and LRCK generation circuitry. */ 614 int partner = (SUN8I_CODEC_AIF2 + SUN8I_CODEC_AIF3) - dai->id; 615 const struct sun8i_codec_aif *partner_aif = &scodec->aifs[partner]; 616 const char *partner_name = sun8i_codec_dais[partner].name; 617 618 if (partner_aif->open_streams && 619 (lrck_div_order != partner_aif->lrck_div_order || 620 sample_rate != partner_aif->sample_rate)) { 621 dev_err(dai->dev, 622 "%s sample and bit rates must match %s when both are used\n", 623 dai->name, partner_name); 624 return -EBUSY; 625 } 626 627 clk_reg = SUN8I_AIF_CLK_CTRL(SUN8I_CODEC_AIF2); 628 } else { 629 clk_reg = SUN8I_AIF_CLK_CTRL(dai->id); 630 } 631 632 regmap_update_bits(scodec->regmap, clk_reg, 633 SUN8I_AIF_CLK_CTRL_LRCK_DIV_MASK, 634 (lrck_div_order - 4) << SUN8I_AIF_CLK_CTRL_LRCK_DIV); 635 636 /* BCLK divider (SYSCLK/BCLK ratio) */ 637 bclk_div = sun8i_codec_get_bclk_div(sysclk_rate, lrck_div_order, sample_rate); 638 if (bclk_div < 0) 639 return bclk_div; 640 641 regmap_update_bits(scodec->regmap, clk_reg, 642 SUN8I_AIF_CLK_CTRL_BCLK_DIV_MASK, 643 bclk_div << SUN8I_AIF_CLK_CTRL_BCLK_DIV); 644 645 /* 646 * SYSCLK rate 647 * 648 * Clock rate protection is reference counted; but hw_params may be 649 * called many times per substream, without matching calls to hw_free. 650 * Protect the clock rate once per AIF, on the first hw_params call 651 * for the first substream. clk_set_rate() will allow clock rate 652 * changes on subsequent calls if only one AIF has open streams. 653 */ 654 ret = (aif->open_streams ? clk_set_rate : clk_set_rate_exclusive)(scodec->clk_module, 655 sysclk_rate); 656 if (ret == -EBUSY) 657 dev_err(dai->dev, 658 "%s sample rate (%u Hz) conflicts with other audio streams\n", 659 dai->name, sample_rate); 660 if (ret < 0) 661 return ret; 662 663 if (!aif->open_streams) 664 scodec->sysclk_refcnt++; 665 scodec->sysclk_rate = sysclk_rate; 666 667 aif->lrck_div_order = lrck_div_order; 668 aif->sample_rate = sample_rate; 669 aif->open_streams |= BIT(substream->stream); 670 671 return sun8i_codec_update_sample_rate(scodec); 672 } 673 674 static int sun8i_codec_hw_free(struct snd_pcm_substream *substream, 675 struct snd_soc_dai *dai) 676 { 677 struct sun8i_codec *scodec = snd_soc_dai_get_drvdata(dai); 678 struct sun8i_codec_aif *aif = &scodec->aifs[dai->id]; 679 680 /* Drop references when the last substream for the AIF is freed. */ 681 if (aif->open_streams != BIT(substream->stream)) 682 goto done; 683 684 clk_rate_exclusive_put(scodec->clk_module); 685 scodec->sysclk_refcnt--; 686 aif->lrck_div_order = 0; 687 aif->sample_rate = 0; 688 689 done: 690 aif->open_streams &= ~BIT(substream->stream); 691 return 0; 692 } 693 694 static const struct snd_soc_dai_ops sun8i_codec_dai_ops = { 695 .set_fmt = sun8i_codec_set_fmt, 696 .set_tdm_slot = sun8i_codec_set_tdm_slot, 697 .startup = sun8i_codec_startup, 698 .hw_params = sun8i_codec_hw_params, 699 .hw_free = sun8i_codec_hw_free, 700 }; 701 702 static struct snd_soc_dai_driver sun8i_codec_dais[] = { 703 { 704 .name = "sun8i-codec-aif1", 705 .id = SUN8I_CODEC_AIF1, 706 .ops = &sun8i_codec_dai_ops, 707 /* capture capabilities */ 708 .capture = { 709 .stream_name = "AIF1 Capture", 710 .channels_min = 1, 711 .channels_max = 2, 712 .rates = SUN8I_CODEC_PCM_RATES, 713 .formats = SUN8I_CODEC_PCM_FORMATS, 714 .sig_bits = 24, 715 }, 716 /* playback capabilities */ 717 .playback = { 718 .stream_name = "AIF1 Playback", 719 .channels_min = 1, 720 .channels_max = 2, 721 .rates = SUN8I_CODEC_PCM_RATES, 722 .formats = SUN8I_CODEC_PCM_FORMATS, 723 }, 724 .symmetric_rate = true, 725 .symmetric_channels = true, 726 .symmetric_sample_bits = true, 727 }, 728 { 729 .name = "sun8i-codec-aif2", 730 .id = SUN8I_CODEC_AIF2, 731 .ops = &sun8i_codec_dai_ops, 732 /* capture capabilities */ 733 .capture = { 734 .stream_name = "AIF2 Capture", 735 .channels_min = 1, 736 .channels_max = 2, 737 .rates = SUN8I_CODEC_PCM_RATES, 738 .formats = SUN8I_CODEC_PCM_FORMATS, 739 .sig_bits = 24, 740 }, 741 /* playback capabilities */ 742 .playback = { 743 .stream_name = "AIF2 Playback", 744 .channels_min = 1, 745 .channels_max = 2, 746 .rates = SUN8I_CODEC_PCM_RATES, 747 .formats = SUN8I_CODEC_PCM_FORMATS, 748 }, 749 .symmetric_rate = true, 750 .symmetric_channels = true, 751 .symmetric_sample_bits = true, 752 }, 753 { 754 .name = "sun8i-codec-aif3", 755 .id = SUN8I_CODEC_AIF3, 756 .ops = &sun8i_codec_dai_ops, 757 /* capture capabilities */ 758 .capture = { 759 .stream_name = "AIF3 Capture", 760 .channels_min = 1, 761 .channels_max = 1, 762 .rates = SUN8I_CODEC_PCM_RATES, 763 .formats = SUN8I_CODEC_PCM_FORMATS, 764 .sig_bits = 24, 765 }, 766 /* playback capabilities */ 767 .playback = { 768 .stream_name = "AIF3 Playback", 769 .channels_min = 1, 770 .channels_max = 1, 771 .rates = SUN8I_CODEC_PCM_RATES, 772 .formats = SUN8I_CODEC_PCM_FORMATS, 773 }, 774 .symmetric_rate = true, 775 .symmetric_channels = true, 776 .symmetric_sample_bits = true, 777 }, 778 }; 779 780 static const DECLARE_TLV_DB_SCALE(sun8i_codec_vol_scale, -12000, 75, 1); 781 782 static const struct snd_kcontrol_new sun8i_codec_controls[] = { 783 SOC_DOUBLE_TLV("AIF1 AD0 Capture Volume", 784 SUN8I_AIF1_VOL_CTRL1, 785 SUN8I_AIF1_VOL_CTRL1_AD0L_VOL, 786 SUN8I_AIF1_VOL_CTRL1_AD0R_VOL, 787 0xc0, 0, sun8i_codec_vol_scale), 788 SOC_DOUBLE_TLV("AIF1 DA0 Playback Volume", 789 SUN8I_AIF1_VOL_CTRL3, 790 SUN8I_AIF1_VOL_CTRL3_DA0L_VOL, 791 SUN8I_AIF1_VOL_CTRL3_DA0R_VOL, 792 0xc0, 0, sun8i_codec_vol_scale), 793 SOC_DOUBLE_TLV("AIF2 ADC Capture Volume", 794 SUN8I_AIF2_VOL_CTRL1, 795 SUN8I_AIF2_VOL_CTRL1_ADCL_VOL, 796 SUN8I_AIF2_VOL_CTRL1_ADCR_VOL, 797 0xc0, 0, sun8i_codec_vol_scale), 798 SOC_DOUBLE_TLV("AIF2 DAC Playback Volume", 799 SUN8I_AIF2_VOL_CTRL2, 800 SUN8I_AIF2_VOL_CTRL2_DACL_VOL, 801 SUN8I_AIF2_VOL_CTRL2_DACR_VOL, 802 0xc0, 0, sun8i_codec_vol_scale), 803 SOC_DOUBLE_TLV("ADC Capture Volume", 804 SUN8I_ADC_VOL_CTRL, 805 SUN8I_ADC_VOL_CTRL_ADCL_VOL, 806 SUN8I_ADC_VOL_CTRL_ADCR_VOL, 807 0xc0, 0, sun8i_codec_vol_scale), 808 SOC_DOUBLE_TLV("DAC Playback Volume", 809 SUN8I_DAC_VOL_CTRL, 810 SUN8I_DAC_VOL_CTRL_DACL_VOL, 811 SUN8I_DAC_VOL_CTRL_DACR_VOL, 812 0xc0, 0, sun8i_codec_vol_scale), 813 }; 814 815 static int sun8i_codec_aif_event(struct snd_soc_dapm_widget *w, 816 struct snd_kcontrol *kcontrol, int event) 817 { 818 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 819 struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component); 820 struct sun8i_codec_aif *aif = &scodec->aifs[w->sname[3] - '1']; 821 int stream = w->id == snd_soc_dapm_aif_out; 822 823 if (SND_SOC_DAPM_EVENT_ON(event)) 824 aif->active_streams |= BIT(stream); 825 else 826 aif->active_streams &= ~BIT(stream); 827 828 return sun8i_codec_update_sample_rate(scodec); 829 } 830 831 static const char *const sun8i_aif_stereo_mux_enum_values[] = { 832 "Stereo", "Reverse Stereo", "Sum Mono", "Mix Mono" 833 }; 834 835 static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_ad0_stereo_mux_enum, 836 SUN8I_AIF1_ADCDAT_CTRL, 837 SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_SRC, 838 SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_SRC, 839 sun8i_aif_stereo_mux_enum_values); 840 841 static const struct snd_kcontrol_new sun8i_aif1_ad0_stereo_mux_control = 842 SOC_DAPM_ENUM("AIF1 AD0 Stereo Capture Route", 843 sun8i_aif1_ad0_stereo_mux_enum); 844 845 static SOC_ENUM_DOUBLE_DECL(sun8i_aif2_adc_stereo_mux_enum, 846 SUN8I_AIF2_ADCDAT_CTRL, 847 SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_SRC, 848 SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_SRC, 849 sun8i_aif_stereo_mux_enum_values); 850 851 static const struct snd_kcontrol_new sun8i_aif2_adc_stereo_mux_control = 852 SOC_DAPM_ENUM("AIF2 ADC Stereo Capture Route", 853 sun8i_aif2_adc_stereo_mux_enum); 854 855 static const char *const sun8i_aif3_adc_mux_enum_values[] = { 856 "None", "AIF2 ADCL", "AIF2 ADCR" 857 }; 858 859 static SOC_ENUM_SINGLE_DECL(sun8i_aif3_adc_mux_enum, 860 SUN8I_AIF3_PATH_CTRL, 861 SUN8I_AIF3_PATH_CTRL_AIF3_ADC_SRC, 862 sun8i_aif3_adc_mux_enum_values); 863 864 static const struct snd_kcontrol_new sun8i_aif3_adc_mux_control = 865 SOC_DAPM_ENUM("AIF3 ADC Source Capture Route", 866 sun8i_aif3_adc_mux_enum); 867 868 static const struct snd_kcontrol_new sun8i_aif1_ad0_mixer_controls[] = { 869 SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital ADC Capture Switch", 870 SUN8I_AIF1_MXR_SRC, 871 SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF1DA0L, 872 SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF1DA0R, 1, 0), 873 SOC_DAPM_DOUBLE("AIF2 Digital ADC Capture Switch", 874 SUN8I_AIF1_MXR_SRC, 875 SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACL, 876 SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACR, 1, 0), 877 SOC_DAPM_DOUBLE("AIF1 Data Digital ADC Capture Switch", 878 SUN8I_AIF1_MXR_SRC, 879 SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_ADCL, 880 SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_ADCR, 1, 0), 881 SOC_DAPM_DOUBLE("AIF2 Inv Digital ADC Capture Switch", 882 SUN8I_AIF1_MXR_SRC, 883 SUN8I_AIF1_MXR_SRC_AD0L_MXR_SRC_AIF2DACR, 884 SUN8I_AIF1_MXR_SRC_AD0R_MXR_SRC_AIF2DACL, 1, 0), 885 }; 886 887 static const struct snd_kcontrol_new sun8i_aif2_adc_mixer_controls[] = { 888 SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA0 Capture Switch", 889 SUN8I_AIF2_MXR_SRC, 890 SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA0L, 891 SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA0R, 1, 0), 892 SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF1 DA1 Capture Switch", 893 SUN8I_AIF2_MXR_SRC, 894 SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF1DA1L, 895 SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF1DA1R, 1, 0), 896 SOC_DAPM_DOUBLE("AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", 897 SUN8I_AIF2_MXR_SRC, 898 SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_AIF2DACR, 899 SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_AIF2DACL, 1, 0), 900 SOC_DAPM_DOUBLE("AIF2 ADC Mixer ADC Capture Switch", 901 SUN8I_AIF2_MXR_SRC, 902 SUN8I_AIF2_MXR_SRC_ADCL_MXR_SRC_ADCL, 903 SUN8I_AIF2_MXR_SRC_ADCR_MXR_SRC_ADCR, 1, 0), 904 }; 905 906 static const char *const sun8i_aif2_dac_mux_enum_values[] = { 907 "AIF2", "AIF3+2", "AIF2+3" 908 }; 909 910 static SOC_ENUM_SINGLE_DECL(sun8i_aif2_dac_mux_enum, 911 SUN8I_AIF3_PATH_CTRL, 912 SUN8I_AIF3_PATH_CTRL_AIF2_DAC_SRC, 913 sun8i_aif2_dac_mux_enum_values); 914 915 static const struct snd_kcontrol_new sun8i_aif2_dac_mux_control = 916 SOC_DAPM_ENUM("AIF2 DAC Source Playback Route", 917 sun8i_aif2_dac_mux_enum); 918 919 static SOC_ENUM_DOUBLE_DECL(sun8i_aif1_da0_stereo_mux_enum, 920 SUN8I_AIF1_DACDAT_CTRL, 921 SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_SRC, 922 SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_SRC, 923 sun8i_aif_stereo_mux_enum_values); 924 925 static const struct snd_kcontrol_new sun8i_aif1_da0_stereo_mux_control = 926 SOC_DAPM_ENUM("AIF1 DA0 Stereo Playback Route", 927 sun8i_aif1_da0_stereo_mux_enum); 928 929 static SOC_ENUM_DOUBLE_DECL(sun8i_aif2_dac_stereo_mux_enum, 930 SUN8I_AIF2_DACDAT_CTRL, 931 SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_SRC, 932 SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_SRC, 933 sun8i_aif_stereo_mux_enum_values); 934 935 static const struct snd_kcontrol_new sun8i_aif2_dac_stereo_mux_control = 936 SOC_DAPM_ENUM("AIF2 DAC Stereo Playback Route", 937 sun8i_aif2_dac_stereo_mux_enum); 938 939 static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = { 940 SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital DAC Playback Switch", 941 SUN8I_DAC_MXR_SRC, 942 SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L, 943 SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R, 1, 0), 944 SOC_DAPM_DOUBLE("AIF1 Slot 1 Digital DAC Playback Switch", 945 SUN8I_DAC_MXR_SRC, 946 SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L, 947 SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R, 1, 0), 948 SOC_DAPM_DOUBLE("AIF2 Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC, 949 SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL, 950 SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR, 1, 0), 951 SOC_DAPM_DOUBLE("ADC Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC, 952 SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL, 953 SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR, 1, 0), 954 }; 955 956 static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = { 957 /* System Clocks */ 958 SND_SOC_DAPM_CLOCK_SUPPLY("mod"), 959 960 SND_SOC_DAPM_SUPPLY("AIF1CLK", 961 SUN8I_SYSCLK_CTL, 962 SUN8I_SYSCLK_CTL_AIF1CLK_ENA, 0, NULL, 0), 963 SND_SOC_DAPM_SUPPLY("AIF2CLK", 964 SUN8I_SYSCLK_CTL, 965 SUN8I_SYSCLK_CTL_AIF2CLK_ENA, 0, NULL, 0), 966 SND_SOC_DAPM_SUPPLY("SYSCLK", 967 SUN8I_SYSCLK_CTL, 968 SUN8I_SYSCLK_CTL_SYSCLK_ENA, 0, NULL, 0), 969 970 /* Module Clocks */ 971 SND_SOC_DAPM_SUPPLY("CLK AIF1", 972 SUN8I_MOD_CLK_ENA, 973 SUN8I_MOD_CLK_ENA_AIF1, 0, NULL, 0), 974 SND_SOC_DAPM_SUPPLY("CLK AIF2", 975 SUN8I_MOD_CLK_ENA, 976 SUN8I_MOD_CLK_ENA_AIF2, 0, NULL, 0), 977 SND_SOC_DAPM_SUPPLY("CLK AIF3", 978 SUN8I_MOD_CLK_ENA, 979 SUN8I_MOD_CLK_ENA_AIF3, 0, NULL, 0), 980 SND_SOC_DAPM_SUPPLY("CLK ADC", 981 SUN8I_MOD_CLK_ENA, 982 SUN8I_MOD_CLK_ENA_ADC, 0, NULL, 0), 983 SND_SOC_DAPM_SUPPLY("CLK DAC", 984 SUN8I_MOD_CLK_ENA, 985 SUN8I_MOD_CLK_ENA_DAC, 0, NULL, 0), 986 987 /* Module Resets */ 988 SND_SOC_DAPM_SUPPLY("RST AIF1", 989 SUN8I_MOD_RST_CTL, 990 SUN8I_MOD_RST_CTL_AIF1, 0, NULL, 0), 991 SND_SOC_DAPM_SUPPLY("RST AIF2", 992 SUN8I_MOD_RST_CTL, 993 SUN8I_MOD_RST_CTL_AIF2, 0, NULL, 0), 994 SND_SOC_DAPM_SUPPLY("RST AIF3", 995 SUN8I_MOD_RST_CTL, 996 SUN8I_MOD_RST_CTL_AIF3, 0, NULL, 0), 997 SND_SOC_DAPM_SUPPLY("RST ADC", 998 SUN8I_MOD_RST_CTL, 999 SUN8I_MOD_RST_CTL_ADC, 0, NULL, 0), 1000 SND_SOC_DAPM_SUPPLY("RST DAC", 1001 SUN8I_MOD_RST_CTL, 1002 SUN8I_MOD_RST_CTL_DAC, 0, NULL, 0), 1003 1004 /* Module Supplies */ 1005 SND_SOC_DAPM_SUPPLY("ADC", 1006 SUN8I_ADC_DIG_CTRL, 1007 SUN8I_ADC_DIG_CTRL_ENAD, 0, NULL, 0), 1008 SND_SOC_DAPM_SUPPLY("DAC", 1009 SUN8I_DAC_DIG_CTRL, 1010 SUN8I_DAC_DIG_CTRL_ENDA, 0, NULL, 0), 1011 1012 /* AIF "ADC" Outputs */ 1013 SND_SOC_DAPM_AIF_OUT_E("AIF1 AD0L", "AIF1 Capture", 0, 1014 SUN8I_AIF1_ADCDAT_CTRL, 1015 SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0L_ENA, 0, 1016 sun8i_codec_aif_event, 1017 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 1018 SND_SOC_DAPM_AIF_OUT("AIF1 AD0R", "AIF1 Capture", 1, 1019 SUN8I_AIF1_ADCDAT_CTRL, 1020 SUN8I_AIF1_ADCDAT_CTRL_AIF1_AD0R_ENA, 0), 1021 1022 SND_SOC_DAPM_AIF_OUT_E("AIF2 ADCL", "AIF2 Capture", 0, 1023 SUN8I_AIF2_ADCDAT_CTRL, 1024 SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCL_ENA, 0, 1025 sun8i_codec_aif_event, 1026 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 1027 SND_SOC_DAPM_AIF_OUT("AIF2 ADCR", "AIF2 Capture", 1, 1028 SUN8I_AIF2_ADCDAT_CTRL, 1029 SUN8I_AIF2_ADCDAT_CTRL_AIF2_ADCR_ENA, 0), 1030 1031 SND_SOC_DAPM_AIF_OUT_E("AIF3 ADC", "AIF3 Capture", 0, 1032 SND_SOC_NOPM, 0, 0, 1033 sun8i_codec_aif_event, 1034 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 1035 1036 /* AIF "ADC" Mono/Stereo Muxes */ 1037 SND_SOC_DAPM_MUX("AIF1 AD0L Stereo Mux", SND_SOC_NOPM, 0, 0, 1038 &sun8i_aif1_ad0_stereo_mux_control), 1039 SND_SOC_DAPM_MUX("AIF1 AD0R Stereo Mux", SND_SOC_NOPM, 0, 0, 1040 &sun8i_aif1_ad0_stereo_mux_control), 1041 1042 SND_SOC_DAPM_MUX("AIF2 ADCL Stereo Mux", SND_SOC_NOPM, 0, 0, 1043 &sun8i_aif2_adc_stereo_mux_control), 1044 SND_SOC_DAPM_MUX("AIF2 ADCR Stereo Mux", SND_SOC_NOPM, 0, 0, 1045 &sun8i_aif2_adc_stereo_mux_control), 1046 1047 /* AIF "ADC" Output Muxes */ 1048 SND_SOC_DAPM_MUX("AIF3 ADC Source Capture Route", SND_SOC_NOPM, 0, 0, 1049 &sun8i_aif3_adc_mux_control), 1050 1051 /* AIF "ADC" Mixers */ 1052 SOC_MIXER_ARRAY("AIF1 AD0L Mixer", SND_SOC_NOPM, 0, 0, 1053 sun8i_aif1_ad0_mixer_controls), 1054 SOC_MIXER_ARRAY("AIF1 AD0R Mixer", SND_SOC_NOPM, 0, 0, 1055 sun8i_aif1_ad0_mixer_controls), 1056 1057 SOC_MIXER_ARRAY("AIF2 ADCL Mixer", SND_SOC_NOPM, 0, 0, 1058 sun8i_aif2_adc_mixer_controls), 1059 SOC_MIXER_ARRAY("AIF2 ADCR Mixer", SND_SOC_NOPM, 0, 0, 1060 sun8i_aif2_adc_mixer_controls), 1061 1062 /* AIF "DAC" Input Muxes */ 1063 SND_SOC_DAPM_MUX("AIF2 DACL Source", SND_SOC_NOPM, 0, 0, 1064 &sun8i_aif2_dac_mux_control), 1065 SND_SOC_DAPM_MUX("AIF2 DACR Source", SND_SOC_NOPM, 0, 0, 1066 &sun8i_aif2_dac_mux_control), 1067 1068 /* AIF "DAC" Mono/Stereo Muxes */ 1069 SND_SOC_DAPM_MUX("AIF1 DA0L Stereo Mux", SND_SOC_NOPM, 0, 0, 1070 &sun8i_aif1_da0_stereo_mux_control), 1071 SND_SOC_DAPM_MUX("AIF1 DA0R Stereo Mux", SND_SOC_NOPM, 0, 0, 1072 &sun8i_aif1_da0_stereo_mux_control), 1073 1074 SND_SOC_DAPM_MUX("AIF2 DACL Stereo Mux", SND_SOC_NOPM, 0, 0, 1075 &sun8i_aif2_dac_stereo_mux_control), 1076 SND_SOC_DAPM_MUX("AIF2 DACR Stereo Mux", SND_SOC_NOPM, 0, 0, 1077 &sun8i_aif2_dac_stereo_mux_control), 1078 1079 /* AIF "DAC" Inputs */ 1080 SND_SOC_DAPM_AIF_IN_E("AIF1 DA0L", "AIF1 Playback", 0, 1081 SUN8I_AIF1_DACDAT_CTRL, 1082 SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA, 0, 1083 sun8i_codec_aif_event, 1084 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 1085 SND_SOC_DAPM_AIF_IN("AIF1 DA0R", "AIF1 Playback", 1, 1086 SUN8I_AIF1_DACDAT_CTRL, 1087 SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA, 0), 1088 1089 SND_SOC_DAPM_AIF_IN_E("AIF2 DACL", "AIF2 Playback", 0, 1090 SUN8I_AIF2_DACDAT_CTRL, 1091 SUN8I_AIF2_DACDAT_CTRL_AIF2_DACL_ENA, 0, 1092 sun8i_codec_aif_event, 1093 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 1094 SND_SOC_DAPM_AIF_IN("AIF2 DACR", "AIF2 Playback", 1, 1095 SUN8I_AIF2_DACDAT_CTRL, 1096 SUN8I_AIF2_DACDAT_CTRL_AIF2_DACR_ENA, 0), 1097 1098 SND_SOC_DAPM_AIF_IN_E("AIF3 DAC", "AIF3 Playback", 0, 1099 SND_SOC_NOPM, 0, 0, 1100 sun8i_codec_aif_event, 1101 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), 1102 1103 /* ADC Inputs (connected to analog codec DAPM context) */ 1104 SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 0, 0), 1105 SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0), 1106 1107 /* DAC Outputs (connected to analog codec DAPM context) */ 1108 SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0), 1109 SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0), 1110 1111 /* DAC Mixers */ 1112 SOC_MIXER_ARRAY("DACL Mixer", SND_SOC_NOPM, 0, 0, 1113 sun8i_dac_mixer_controls), 1114 SOC_MIXER_ARRAY("DACR Mixer", SND_SOC_NOPM, 0, 0, 1115 sun8i_dac_mixer_controls), 1116 }; 1117 1118 static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = { 1119 /* Clock Routes */ 1120 { "AIF1CLK", NULL, "mod" }, 1121 1122 { "SYSCLK", NULL, "AIF1CLK" }, 1123 1124 { "CLK AIF1", NULL, "AIF1CLK" }, 1125 { "CLK AIF1", NULL, "SYSCLK" }, 1126 { "RST AIF1", NULL, "CLK AIF1" }, 1127 { "AIF1 AD0L", NULL, "RST AIF1" }, 1128 { "AIF1 AD0R", NULL, "RST AIF1" }, 1129 { "AIF1 DA0L", NULL, "RST AIF1" }, 1130 { "AIF1 DA0R", NULL, "RST AIF1" }, 1131 1132 { "CLK AIF2", NULL, "AIF2CLK" }, 1133 { "CLK AIF2", NULL, "SYSCLK" }, 1134 { "RST AIF2", NULL, "CLK AIF2" }, 1135 { "AIF2 ADCL", NULL, "RST AIF2" }, 1136 { "AIF2 ADCR", NULL, "RST AIF2" }, 1137 { "AIF2 DACL", NULL, "RST AIF2" }, 1138 { "AIF2 DACR", NULL, "RST AIF2" }, 1139 1140 { "CLK AIF3", NULL, "AIF1CLK" }, 1141 { "CLK AIF3", NULL, "SYSCLK" }, 1142 { "RST AIF3", NULL, "CLK AIF3" }, 1143 { "AIF3 ADC", NULL, "RST AIF3" }, 1144 { "AIF3 DAC", NULL, "RST AIF3" }, 1145 1146 { "CLK ADC", NULL, "SYSCLK" }, 1147 { "RST ADC", NULL, "CLK ADC" }, 1148 { "ADC", NULL, "RST ADC" }, 1149 { "ADCL", NULL, "ADC" }, 1150 { "ADCR", NULL, "ADC" }, 1151 1152 { "CLK DAC", NULL, "SYSCLK" }, 1153 { "RST DAC", NULL, "CLK DAC" }, 1154 { "DAC", NULL, "RST DAC" }, 1155 { "DACL", NULL, "DAC" }, 1156 { "DACR", NULL, "DAC" }, 1157 1158 /* AIF "ADC" Output Routes */ 1159 { "AIF1 AD0L", NULL, "AIF1 AD0L Stereo Mux" }, 1160 { "AIF1 AD0R", NULL, "AIF1 AD0R Stereo Mux" }, 1161 1162 { "AIF2 ADCL", NULL, "AIF2 ADCL Stereo Mux" }, 1163 { "AIF2 ADCR", NULL, "AIF2 ADCR Stereo Mux" }, 1164 1165 { "AIF3 ADC", NULL, "AIF3 ADC Source Capture Route" }, 1166 1167 /* AIF "ADC" Mono/Stereo Mux Routes */ 1168 { "AIF1 AD0L Stereo Mux", "Stereo", "AIF1 AD0L Mixer" }, 1169 { "AIF1 AD0L Stereo Mux", "Reverse Stereo", "AIF1 AD0R Mixer" }, 1170 { "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" }, 1171 { "AIF1 AD0L Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" }, 1172 { "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" }, 1173 { "AIF1 AD0L Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" }, 1174 1175 { "AIF1 AD0R Stereo Mux", "Stereo", "AIF1 AD0R Mixer" }, 1176 { "AIF1 AD0R Stereo Mux", "Reverse Stereo", "AIF1 AD0L Mixer" }, 1177 { "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0L Mixer" }, 1178 { "AIF1 AD0R Stereo Mux", "Sum Mono", "AIF1 AD0R Mixer" }, 1179 { "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0L Mixer" }, 1180 { "AIF1 AD0R Stereo Mux", "Mix Mono", "AIF1 AD0R Mixer" }, 1181 1182 { "AIF2 ADCL Stereo Mux", "Stereo", "AIF2 ADCL Mixer" }, 1183 { "AIF2 ADCL Stereo Mux", "Reverse Stereo", "AIF2 ADCR Mixer" }, 1184 { "AIF2 ADCL Stereo Mux", "Sum Mono", "AIF2 ADCL Mixer" }, 1185 { "AIF2 ADCL Stereo Mux", "Sum Mono", "AIF2 ADCR Mixer" }, 1186 { "AIF2 ADCL Stereo Mux", "Mix Mono", "AIF2 ADCL Mixer" }, 1187 { "AIF2 ADCL Stereo Mux", "Mix Mono", "AIF2 ADCR Mixer" }, 1188 1189 { "AIF2 ADCR Stereo Mux", "Stereo", "AIF2 ADCR Mixer" }, 1190 { "AIF2 ADCR Stereo Mux", "Reverse Stereo", "AIF2 ADCL Mixer" }, 1191 { "AIF2 ADCR Stereo Mux", "Sum Mono", "AIF2 ADCL Mixer" }, 1192 { "AIF2 ADCR Stereo Mux", "Sum Mono", "AIF2 ADCR Mixer" }, 1193 { "AIF2 ADCR Stereo Mux", "Mix Mono", "AIF2 ADCL Mixer" }, 1194 { "AIF2 ADCR Stereo Mux", "Mix Mono", "AIF2 ADCR Mixer" }, 1195 1196 /* AIF "ADC" Output Mux Routes */ 1197 { "AIF3 ADC Source Capture Route", "AIF2 ADCL", "AIF2 ADCL Mixer" }, 1198 { "AIF3 ADC Source Capture Route", "AIF2 ADCR", "AIF2 ADCR Mixer" }, 1199 1200 /* AIF "ADC" Mixer Routes */ 1201 { "AIF1 AD0L Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0L Stereo Mux" }, 1202 { "AIF1 AD0L Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACL Source" }, 1203 { "AIF1 AD0L Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCL" }, 1204 { "AIF1 AD0L Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACR Source" }, 1205 1206 { "AIF1 AD0R Mixer", "AIF1 Slot 0 Digital ADC Capture Switch", "AIF1 DA0R Stereo Mux" }, 1207 { "AIF1 AD0R Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACR Source" }, 1208 { "AIF1 AD0R Mixer", "AIF1 Data Digital ADC Capture Switch", "ADCR" }, 1209 { "AIF1 AD0R Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACL Source" }, 1210 1211 { "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0L Stereo Mux" }, 1212 { "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACR Source" }, 1213 { "AIF2 ADCL Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADCL" }, 1214 1215 { "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF1 DA0 Capture Switch", "AIF1 DA0R Stereo Mux" }, 1216 { "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACL Source" }, 1217 { "AIF2 ADCR Mixer", "AIF2 ADC Mixer ADC Capture Switch", "ADCR" }, 1218 1219 /* AIF "DAC" Input Mux Routes */ 1220 { "AIF2 DACL Source", "AIF2", "AIF2 DACL Stereo Mux" }, 1221 { "AIF2 DACL Source", "AIF3+2", "AIF3 DAC" }, 1222 { "AIF2 DACL Source", "AIF2+3", "AIF2 DACL Stereo Mux" }, 1223 1224 { "AIF2 DACR Source", "AIF2", "AIF2 DACR Stereo Mux" }, 1225 { "AIF2 DACR Source", "AIF3+2", "AIF2 DACR Stereo Mux" }, 1226 { "AIF2 DACR Source", "AIF2+3", "AIF3 DAC" }, 1227 1228 /* AIF "DAC" Mono/Stereo Mux Routes */ 1229 { "AIF1 DA0L Stereo Mux", "Stereo", "AIF1 DA0L" }, 1230 { "AIF1 DA0L Stereo Mux", "Reverse Stereo", "AIF1 DA0R" }, 1231 { "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0L" }, 1232 { "AIF1 DA0L Stereo Mux", "Sum Mono", "AIF1 DA0R" }, 1233 { "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0L" }, 1234 { "AIF1 DA0L Stereo Mux", "Mix Mono", "AIF1 DA0R" }, 1235 1236 { "AIF1 DA0R Stereo Mux", "Stereo", "AIF1 DA0R" }, 1237 { "AIF1 DA0R Stereo Mux", "Reverse Stereo", "AIF1 DA0L" }, 1238 { "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0L" }, 1239 { "AIF1 DA0R Stereo Mux", "Sum Mono", "AIF1 DA0R" }, 1240 { "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0L" }, 1241 { "AIF1 DA0R Stereo Mux", "Mix Mono", "AIF1 DA0R" }, 1242 1243 { "AIF2 DACL Stereo Mux", "Stereo", "AIF2 DACL" }, 1244 { "AIF2 DACL Stereo Mux", "Reverse Stereo", "AIF2 DACR" }, 1245 { "AIF2 DACL Stereo Mux", "Sum Mono", "AIF2 DACL" }, 1246 { "AIF2 DACL Stereo Mux", "Sum Mono", "AIF2 DACR" }, 1247 { "AIF2 DACL Stereo Mux", "Mix Mono", "AIF2 DACL" }, 1248 { "AIF2 DACL Stereo Mux", "Mix Mono", "AIF2 DACR" }, 1249 1250 { "AIF2 DACR Stereo Mux", "Stereo", "AIF2 DACR" }, 1251 { "AIF2 DACR Stereo Mux", "Reverse Stereo", "AIF2 DACL" }, 1252 { "AIF2 DACR Stereo Mux", "Sum Mono", "AIF2 DACL" }, 1253 { "AIF2 DACR Stereo Mux", "Sum Mono", "AIF2 DACR" }, 1254 { "AIF2 DACR Stereo Mux", "Mix Mono", "AIF2 DACL" }, 1255 { "AIF2 DACR Stereo Mux", "Mix Mono", "AIF2 DACR" }, 1256 1257 /* DAC Output Routes */ 1258 { "DACL", NULL, "DACL Mixer" }, 1259 { "DACR", NULL, "DACR Mixer" }, 1260 1261 /* DAC Mixer Routes */ 1262 { "DACL Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0L Stereo Mux" }, 1263 { "DACL Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACL Source" }, 1264 { "DACL Mixer", "ADC Digital DAC Playback Switch", "ADCL" }, 1265 1266 { "DACR Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", "AIF1 DA0R Stereo Mux" }, 1267 { "DACR Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACR Source" }, 1268 { "DACR Mixer", "ADC Digital DAC Playback Switch", "ADCR" }, 1269 }; 1270 1271 static const struct snd_soc_dapm_widget sun8i_codec_legacy_widgets[] = { 1272 /* Legacy ADC Inputs (connected to analog codec DAPM context) */ 1273 SND_SOC_DAPM_ADC("AIF1 Slot 0 Left ADC", NULL, SND_SOC_NOPM, 0, 0), 1274 SND_SOC_DAPM_ADC("AIF1 Slot 0 Right ADC", NULL, SND_SOC_NOPM, 0, 0), 1275 1276 /* Legacy DAC Outputs (connected to analog codec DAPM context) */ 1277 SND_SOC_DAPM_DAC("AIF1 Slot 0 Left", NULL, SND_SOC_NOPM, 0, 0), 1278 SND_SOC_DAPM_DAC("AIF1 Slot 0 Right", NULL, SND_SOC_NOPM, 0, 0), 1279 }; 1280 1281 static const struct snd_soc_dapm_route sun8i_codec_legacy_routes[] = { 1282 /* Legacy ADC Routes */ 1283 { "ADCL", NULL, "AIF1 Slot 0 Left ADC" }, 1284 { "ADCR", NULL, "AIF1 Slot 0 Right ADC" }, 1285 1286 /* Legacy DAC Routes */ 1287 { "AIF1 Slot 0 Left", NULL, "DACL" }, 1288 { "AIF1 Slot 0 Right", NULL, "DACR" }, 1289 }; 1290 1291 static int sun8i_codec_component_probe(struct snd_soc_component *component) 1292 { 1293 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 1294 struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component); 1295 int ret; 1296 1297 scodec->component = component; 1298 1299 /* Add widgets for backward compatibility with old device trees. */ 1300 if (scodec->quirks->legacy_widgets) { 1301 ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_legacy_widgets, 1302 ARRAY_SIZE(sun8i_codec_legacy_widgets)); 1303 if (ret) 1304 return ret; 1305 1306 ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_legacy_routes, 1307 ARRAY_SIZE(sun8i_codec_legacy_routes)); 1308 if (ret) 1309 return ret; 1310 } 1311 1312 /* 1313 * AIF1CLK and AIF2CLK share a pair of clock parents: PLL_AUDIO ("mod") 1314 * and MCLK (from the CPU DAI connected to AIF1). MCLK's parent is also 1315 * PLL_AUDIO, so using it adds no additional flexibility. Use PLL_AUDIO 1316 * directly to simplify the clock tree. 1317 */ 1318 regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL, 1319 SUN8I_SYSCLK_CTL_AIF1CLK_SRC_MASK | 1320 SUN8I_SYSCLK_CTL_AIF2CLK_SRC_MASK, 1321 SUN8I_SYSCLK_CTL_AIF1CLK_SRC_PLL | 1322 SUN8I_SYSCLK_CTL_AIF2CLK_SRC_PLL); 1323 1324 /* Use AIF1CLK as the SYSCLK parent since AIF1 is used most often. */ 1325 regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL, 1326 BIT(SUN8I_SYSCLK_CTL_SYSCLK_SRC), 1327 SUN8I_SYSCLK_CTL_SYSCLK_SRC_AIF1CLK); 1328 1329 /* Program the default sample rate. */ 1330 sun8i_codec_update_sample_rate(scodec); 1331 1332 return 0; 1333 } 1334 1335 static void sun8i_codec_set_hmic_bias(struct sun8i_codec *scodec, bool enable) 1336 { 1337 struct snd_soc_dapm_context *dapm = &scodec->component->card->dapm; 1338 int irq_mask = BIT(SUN8I_HMIC_CTRL1_HMIC_DATA_IRQ_EN); 1339 1340 if (enable) 1341 snd_soc_dapm_force_enable_pin(dapm, "HBIAS"); 1342 else 1343 snd_soc_dapm_disable_pin(dapm, "HBIAS"); 1344 1345 snd_soc_dapm_sync(dapm); 1346 1347 regmap_update_bits(scodec->regmap, SUN8I_HMIC_CTRL1, 1348 irq_mask, enable ? irq_mask : 0); 1349 } 1350 1351 static void sun8i_codec_jack_work(struct work_struct *work) 1352 { 1353 struct sun8i_codec *scodec = container_of(work, struct sun8i_codec, 1354 jack_work.work); 1355 unsigned int mdata; 1356 int type; 1357 1358 guard(mutex)(&scodec->jack_mutex); 1359 1360 if (scodec->jack_status == SUN8I_JACK_STATUS_DISCONNECTED) { 1361 if (scodec->last_hmic_irq != SUN8I_HMIC_STS_JACK_IN_IRQ_ST) 1362 return; 1363 1364 scodec->jack_last_sample = -1; 1365 1366 if (scodec->jack_type & SND_JACK_MICROPHONE) { 1367 /* 1368 * If we were in disconnected state, we enable HBIAS and 1369 * wait 600ms before reading initial HDATA value. 1370 */ 1371 scodec->jack_hbias_ready = ktime_add_ms(ktime_get(), 600); 1372 sun8i_codec_set_hmic_bias(scodec, true); 1373 queue_delayed_work(system_power_efficient_wq, 1374 &scodec->jack_work, 1375 msecs_to_jiffies(610)); 1376 scodec->jack_status = SUN8I_JACK_STATUS_WAITING_HBIAS; 1377 } else { 1378 snd_soc_jack_report(scodec->jack, SND_JACK_HEADPHONE, 1379 scodec->jack_type); 1380 scodec->jack_status = SUN8I_JACK_STATUS_CONNECTED; 1381 } 1382 } else if (scodec->jack_status == SUN8I_JACK_STATUS_WAITING_HBIAS) { 1383 /* 1384 * If we're waiting for HBIAS to stabilize, and we get plug-out 1385 * interrupt and nothing more for > 100ms, just cancel the 1386 * initialization. 1387 */ 1388 if (scodec->last_hmic_irq == SUN8I_HMIC_STS_JACK_OUT_IRQ_ST) { 1389 scodec->jack_status = SUN8I_JACK_STATUS_DISCONNECTED; 1390 sun8i_codec_set_hmic_bias(scodec, false); 1391 return; 1392 } 1393 1394 /* 1395 * If we're not done waiting for HBIAS to stabilize, wait more. 1396 */ 1397 if (!ktime_after(ktime_get(), scodec->jack_hbias_ready)) { 1398 s64 msecs = ktime_ms_delta(scodec->jack_hbias_ready, 1399 ktime_get()); 1400 1401 queue_delayed_work(system_power_efficient_wq, 1402 &scodec->jack_work, 1403 msecs_to_jiffies(msecs + 10)); 1404 return; 1405 } 1406 1407 /* 1408 * Everything is stabilized, determine jack type and report it. 1409 */ 1410 regmap_read(scodec->regmap, SUN8I_HMIC_STS, &mdata); 1411 mdata &= SUN8I_HMIC_STS_HMIC_DATA_MASK; 1412 mdata >>= SUN8I_HMIC_STS_HMIC_DATA; 1413 1414 regmap_write(scodec->regmap, SUN8I_HMIC_STS, 0); 1415 1416 type = mdata < 16 ? SND_JACK_HEADPHONE : SND_JACK_HEADSET; 1417 if (type == SND_JACK_HEADPHONE) 1418 sun8i_codec_set_hmic_bias(scodec, false); 1419 1420 snd_soc_jack_report(scodec->jack, type, scodec->jack_type); 1421 scodec->jack_status = SUN8I_JACK_STATUS_CONNECTED; 1422 } else if (scodec->jack_status == SUN8I_JACK_STATUS_CONNECTED) { 1423 if (scodec->last_hmic_irq != SUN8I_HMIC_STS_JACK_OUT_IRQ_ST) 1424 return; 1425 1426 scodec->jack_status = SUN8I_JACK_STATUS_DISCONNECTED; 1427 if (scodec->jack_type & SND_JACK_MICROPHONE) 1428 sun8i_codec_set_hmic_bias(scodec, false); 1429 1430 snd_soc_jack_report(scodec->jack, 0, scodec->jack_type); 1431 } 1432 } 1433 1434 static irqreturn_t sun8i_codec_jack_irq(int irq, void *dev_id) 1435 { 1436 struct sun8i_codec *scodec = dev_id; 1437 int type = SND_JACK_HEADSET; 1438 unsigned int status, value; 1439 1440 guard(mutex)(&scodec->jack_mutex); 1441 1442 regmap_read(scodec->regmap, SUN8I_HMIC_STS, &status); 1443 regmap_write(scodec->regmap, SUN8I_HMIC_STS, status); 1444 1445 /* 1446 * De-bounce in/out interrupts via a delayed work re-scheduling to 1447 * 100ms after each interrupt.. 1448 */ 1449 if (status & BIT(SUN8I_HMIC_STS_JACK_OUT_IRQ_ST)) { 1450 /* 1451 * Out interrupt has priority over in interrupt so that if 1452 * we get both, we assume the disconnected state, which is 1453 * safer. 1454 */ 1455 scodec->last_hmic_irq = SUN8I_HMIC_STS_JACK_OUT_IRQ_ST; 1456 mod_delayed_work(system_power_efficient_wq, &scodec->jack_work, 1457 msecs_to_jiffies(100)); 1458 } else if (status & BIT(SUN8I_HMIC_STS_JACK_IN_IRQ_ST)) { 1459 scodec->last_hmic_irq = SUN8I_HMIC_STS_JACK_IN_IRQ_ST; 1460 mod_delayed_work(system_power_efficient_wq, &scodec->jack_work, 1461 msecs_to_jiffies(100)); 1462 } else if (status & BIT(SUN8I_HMIC_STS_HMIC_DATA_IRQ_ST)) { 1463 /* 1464 * Ignore data interrupts until jack status turns to connected 1465 * state, which is after HMIC enable stabilization is completed. 1466 * Until then tha data are bogus. 1467 */ 1468 if (scodec->jack_status != SUN8I_JACK_STATUS_CONNECTED) 1469 return IRQ_HANDLED; 1470 1471 value = (status & SUN8I_HMIC_STS_HMIC_DATA_MASK) >> 1472 SUN8I_HMIC_STS_HMIC_DATA; 1473 1474 /* 1475 * Assumes 60 mV per ADC LSB increment, 2V bias voltage, 2.2kOhm 1476 * bias resistor. 1477 */ 1478 if (value == 0) 1479 type |= SND_JACK_BTN_0; 1480 else if (value == 1) 1481 type |= SND_JACK_BTN_3; 1482 else if (value <= 3) 1483 type |= SND_JACK_BTN_1; 1484 else if (value <= 8) 1485 type |= SND_JACK_BTN_2; 1486 1487 /* 1488 * De-bounce. Only report button after two consecutive A/D 1489 * samples are identical. 1490 */ 1491 if (scodec->jack_last_sample >= 0 && 1492 scodec->jack_last_sample == value) 1493 snd_soc_jack_report(scodec->jack, type, 1494 scodec->jack_type); 1495 1496 scodec->jack_last_sample = value; 1497 } 1498 1499 return IRQ_HANDLED; 1500 } 1501 1502 static int sun8i_codec_enable_jack_detect(struct snd_soc_component *component, 1503 struct snd_soc_jack *jack, void *data) 1504 { 1505 struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component); 1506 struct platform_device *pdev = to_platform_device(component->dev); 1507 int ret; 1508 1509 if (!scodec->quirks->jack_detection) 1510 return 0; 1511 1512 scodec->jack = jack; 1513 1514 scodec->jack_irq = platform_get_irq(pdev, 0); 1515 if (scodec->jack_irq < 0) 1516 return scodec->jack_irq; 1517 1518 /* Reserved value required for jack IRQs to trigger. */ 1519 regmap_write(scodec->regmap, SUN8I_HMIC_CTRL1, 1520 0xf << SUN8I_HMIC_CTRL1_HMIC_N | 1521 0x0 << SUN8I_HMIC_CTRL1_MDATA_THRESHOLD_DB | 1522 0x4 << SUN8I_HMIC_CTRL1_HMIC_M); 1523 1524 /* Sample the ADC at 128 Hz; bypass smooth filter. */ 1525 regmap_write(scodec->regmap, SUN8I_HMIC_CTRL2, 1526 0x0 << SUN8I_HMIC_CTRL2_HMIC_SAMPLE | 1527 0x17 << SUN8I_HMIC_CTRL2_HMIC_MDATA_THRESHOLD | 1528 0x0 << SUN8I_HMIC_CTRL2_HMIC_SF); 1529 1530 /* Do not discard any MDATA, enable user written MDATA threshold. */ 1531 regmap_write(scodec->regmap, SUN8I_HMIC_STS, 0); 1532 1533 regmap_set_bits(scodec->regmap, SUN8I_HMIC_CTRL1, 1534 BIT(SUN8I_HMIC_CTRL1_JACK_OUT_IRQ_EN) | 1535 BIT(SUN8I_HMIC_CTRL1_JACK_IN_IRQ_EN)); 1536 1537 ret = devm_request_threaded_irq(&pdev->dev, scodec->jack_irq, 1538 NULL, sun8i_codec_jack_irq, 1539 IRQF_ONESHOT, 1540 dev_name(&pdev->dev), scodec); 1541 if (ret) 1542 return ret; 1543 1544 return 0; 1545 } 1546 1547 static void sun8i_codec_disable_jack_detect(struct snd_soc_component *component) 1548 { 1549 struct sun8i_codec *scodec = snd_soc_component_get_drvdata(component); 1550 1551 if (!scodec->quirks->jack_detection) 1552 return; 1553 1554 devm_free_irq(component->dev, scodec->jack_irq, scodec); 1555 1556 cancel_delayed_work_sync(&scodec->jack_work); 1557 1558 regmap_clear_bits(scodec->regmap, SUN8I_HMIC_CTRL1, 1559 BIT(SUN8I_HMIC_CTRL1_JACK_OUT_IRQ_EN) | 1560 BIT(SUN8I_HMIC_CTRL1_JACK_IN_IRQ_EN) | 1561 BIT(SUN8I_HMIC_CTRL1_HMIC_DATA_IRQ_EN)); 1562 1563 scodec->jack = NULL; 1564 } 1565 1566 static int sun8i_codec_component_set_jack(struct snd_soc_component *component, 1567 struct snd_soc_jack *jack, void *data) 1568 { 1569 int ret = 0; 1570 1571 if (jack) 1572 ret = sun8i_codec_enable_jack_detect(component, jack, data); 1573 else 1574 sun8i_codec_disable_jack_detect(component); 1575 1576 return ret; 1577 } 1578 1579 static const struct snd_soc_component_driver sun8i_soc_component = { 1580 .controls = sun8i_codec_controls, 1581 .num_controls = ARRAY_SIZE(sun8i_codec_controls), 1582 .dapm_widgets = sun8i_codec_dapm_widgets, 1583 .num_dapm_widgets = ARRAY_SIZE(sun8i_codec_dapm_widgets), 1584 .dapm_routes = sun8i_codec_dapm_routes, 1585 .num_dapm_routes = ARRAY_SIZE(sun8i_codec_dapm_routes), 1586 .set_jack = sun8i_codec_component_set_jack, 1587 .probe = sun8i_codec_component_probe, 1588 .idle_bias_on = 1, 1589 .suspend_bias_off = 1, 1590 .endianness = 1, 1591 }; 1592 1593 static bool sun8i_codec_volatile_reg(struct device *dev, unsigned int reg) 1594 { 1595 return reg == SUN8I_HMIC_STS; 1596 } 1597 1598 static const struct regmap_config sun8i_codec_regmap_config = { 1599 .reg_bits = 32, 1600 .reg_stride = 4, 1601 .val_bits = 32, 1602 .volatile_reg = sun8i_codec_volatile_reg, 1603 .max_register = SUN8I_DAC_MXR_SRC, 1604 1605 .cache_type = REGCACHE_FLAT, 1606 }; 1607 1608 static int sun8i_codec_probe(struct platform_device *pdev) 1609 { 1610 struct sun8i_codec *scodec; 1611 void __iomem *base; 1612 int ret; 1613 1614 scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL); 1615 if (!scodec) 1616 return -ENOMEM; 1617 1618 scodec->quirks = of_device_get_match_data(&pdev->dev); 1619 INIT_DELAYED_WORK(&scodec->jack_work, sun8i_codec_jack_work); 1620 mutex_init(&scodec->jack_mutex); 1621 1622 platform_set_drvdata(pdev, scodec); 1623 1624 if (scodec->quirks->bus_clock) { 1625 scodec->clk_bus = devm_clk_get(&pdev->dev, "bus"); 1626 if (IS_ERR(scodec->clk_bus)) { 1627 dev_err(&pdev->dev, "Failed to get the bus clock\n"); 1628 return PTR_ERR(scodec->clk_bus); 1629 } 1630 } 1631 1632 scodec->clk_module = devm_clk_get(&pdev->dev, "mod"); 1633 if (IS_ERR(scodec->clk_module)) { 1634 dev_err(&pdev->dev, "Failed to get the module clock\n"); 1635 return PTR_ERR(scodec->clk_module); 1636 } 1637 1638 base = devm_platform_ioremap_resource(pdev, 0); 1639 if (IS_ERR(base)) { 1640 dev_err(&pdev->dev, "Failed to map the registers\n"); 1641 return PTR_ERR(base); 1642 } 1643 1644 scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base, 1645 &sun8i_codec_regmap_config); 1646 if (IS_ERR(scodec->regmap)) { 1647 dev_err(&pdev->dev, "Failed to create our regmap\n"); 1648 return PTR_ERR(scodec->regmap); 1649 } 1650 1651 regcache_cache_only(scodec->regmap, true); 1652 pm_runtime_enable(&pdev->dev); 1653 if (!pm_runtime_enabled(&pdev->dev)) { 1654 ret = sun8i_codec_runtime_resume(&pdev->dev); 1655 if (ret) 1656 goto err_pm_disable; 1657 } 1658 1659 ret = devm_snd_soc_register_component(&pdev->dev, &sun8i_soc_component, 1660 sun8i_codec_dais, 1661 ARRAY_SIZE(sun8i_codec_dais)); 1662 if (ret) { 1663 dev_err(&pdev->dev, "Failed to register codec\n"); 1664 goto err_suspend; 1665 } 1666 1667 return ret; 1668 1669 err_suspend: 1670 if (!pm_runtime_status_suspended(&pdev->dev)) 1671 sun8i_codec_runtime_suspend(&pdev->dev); 1672 1673 err_pm_disable: 1674 pm_runtime_disable(&pdev->dev); 1675 1676 return ret; 1677 } 1678 1679 static void sun8i_codec_remove(struct platform_device *pdev) 1680 { 1681 pm_runtime_disable(&pdev->dev); 1682 if (!pm_runtime_status_suspended(&pdev->dev)) 1683 sun8i_codec_runtime_suspend(&pdev->dev); 1684 } 1685 1686 static const struct sun8i_codec_quirks sun8i_a33_quirks = { 1687 .bus_clock = true, 1688 .legacy_widgets = true, 1689 .lrck_inversion = true, 1690 }; 1691 1692 static const struct sun8i_codec_quirks sun50i_a64_quirks = { 1693 .bus_clock = true, 1694 .jack_detection = true, 1695 }; 1696 1697 static const struct of_device_id sun8i_codec_of_match[] = { 1698 { .compatible = "allwinner,sun8i-a33-codec", .data = &sun8i_a33_quirks }, 1699 { .compatible = "allwinner,sun50i-a64-codec", .data = &sun50i_a64_quirks }, 1700 {} 1701 }; 1702 MODULE_DEVICE_TABLE(of, sun8i_codec_of_match); 1703 1704 static const struct dev_pm_ops sun8i_codec_pm_ops = { 1705 SET_RUNTIME_PM_OPS(sun8i_codec_runtime_suspend, 1706 sun8i_codec_runtime_resume, NULL) 1707 }; 1708 1709 static struct platform_driver sun8i_codec_driver = { 1710 .driver = { 1711 .name = "sun8i-codec", 1712 .of_match_table = sun8i_codec_of_match, 1713 .pm = &sun8i_codec_pm_ops, 1714 }, 1715 .probe = sun8i_codec_probe, 1716 .remove = sun8i_codec_remove, 1717 }; 1718 module_platform_driver(sun8i_codec_driver); 1719 1720 MODULE_DESCRIPTION("Allwinner A33 (sun8i) codec driver"); 1721 MODULE_AUTHOR("Mylène Josserand <mylene.josserand@free-electrons.com>"); 1722 MODULE_LICENSE("GPL"); 1723 MODULE_ALIAS("platform:sun8i-codec"); 1724