1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright 2014 Emilio López <emilio@elopez.com.ar> 4 * Copyright 2014 Jon Smirl <jonsmirl@gmail.com> 5 * Copyright 2015 Maxime Ripard <maxime.ripard@free-electrons.com> 6 * Copyright 2015 Adam Sampson <ats@offog.org> 7 * Copyright 2016 Chen-Yu Tsai <wens@csie.org> 8 * 9 * Based on the Allwinner SDK driver, released under the GPL. 10 */ 11 12 #include <linux/init.h> 13 #include <linux/kernel.h> 14 #include <linux/module.h> 15 #include <linux/platform_device.h> 16 #include <linux/delay.h> 17 #include <linux/slab.h> 18 #include <linux/of.h> 19 #include <linux/of_address.h> 20 #include <linux/of_device.h> 21 #include <linux/of_platform.h> 22 #include <linux/clk.h> 23 #include <linux/regmap.h> 24 #include <linux/reset.h> 25 #include <linux/gpio/consumer.h> 26 27 #include <sound/core.h> 28 #include <sound/pcm.h> 29 #include <sound/pcm_params.h> 30 #include <sound/soc.h> 31 #include <sound/tlv.h> 32 #include <sound/initval.h> 33 #include <sound/dmaengine_pcm.h> 34 35 /* Codec DAC digital controls and FIFO registers */ 36 #define SUN4I_CODEC_DAC_DPC (0x00) 37 #define SUN4I_CODEC_DAC_DPC_EN_DA (31) 38 #define SUN4I_CODEC_DAC_DPC_DVOL (12) 39 #define SUN4I_CODEC_DAC_FIFOC (0x04) 40 #define SUN4I_CODEC_DAC_FIFOC_DAC_FS (29) 41 #define SUN4I_CODEC_DAC_FIFOC_FIR_VERSION (28) 42 #define SUN4I_CODEC_DAC_FIFOC_SEND_LASAT (26) 43 #define SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE (24) 44 #define SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT (21) 45 #define SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL (8) 46 #define SUN4I_CODEC_DAC_FIFOC_MONO_EN (6) 47 #define SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS (5) 48 #define SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN (4) 49 #define SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH (0) 50 #define SUN4I_CODEC_DAC_FIFOS (0x08) 51 #define SUN4I_CODEC_DAC_TXDATA (0x0c) 52 53 /* Codec DAC side analog signal controls */ 54 #define SUN4I_CODEC_DAC_ACTL (0x10) 55 #define SUN4I_CODEC_DAC_ACTL_DACAENR (31) 56 #define SUN4I_CODEC_DAC_ACTL_DACAENL (30) 57 #define SUN4I_CODEC_DAC_ACTL_MIXEN (29) 58 #define SUN4I_CODEC_DAC_ACTL_LNG (26) 59 #define SUN4I_CODEC_DAC_ACTL_FMG (23) 60 #define SUN4I_CODEC_DAC_ACTL_MICG (20) 61 #define SUN4I_CODEC_DAC_ACTL_LLNS (19) 62 #define SUN4I_CODEC_DAC_ACTL_RLNS (18) 63 #define SUN4I_CODEC_DAC_ACTL_LFMS (17) 64 #define SUN4I_CODEC_DAC_ACTL_RFMS (16) 65 #define SUN4I_CODEC_DAC_ACTL_LDACLMIXS (15) 66 #define SUN4I_CODEC_DAC_ACTL_RDACRMIXS (14) 67 #define SUN4I_CODEC_DAC_ACTL_LDACRMIXS (13) 68 #define SUN4I_CODEC_DAC_ACTL_MIC1LS (12) 69 #define SUN4I_CODEC_DAC_ACTL_MIC1RS (11) 70 #define SUN4I_CODEC_DAC_ACTL_MIC2LS (10) 71 #define SUN4I_CODEC_DAC_ACTL_MIC2RS (9) 72 #define SUN4I_CODEC_DAC_ACTL_DACPAS (8) 73 #define SUN4I_CODEC_DAC_ACTL_MIXPAS (7) 74 #define SUN4I_CODEC_DAC_ACTL_PA_MUTE (6) 75 #define SUN4I_CODEC_DAC_ACTL_PA_VOL (0) 76 #define SUN4I_CODEC_DAC_TUNE (0x14) 77 #define SUN4I_CODEC_DAC_DEBUG (0x18) 78 79 /* Codec ADC digital controls and FIFO registers */ 80 #define SUN4I_CODEC_ADC_FIFOC (0x1c) 81 #define SUN4I_CODEC_ADC_FIFOC_ADC_FS (29) 82 #define SUN4I_CODEC_ADC_FIFOC_EN_AD (28) 83 #define SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE (24) 84 #define SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL (8) 85 #define SUN4I_CODEC_ADC_FIFOC_MONO_EN (7) 86 #define SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS (6) 87 #define SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN (4) 88 #define SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH (0) 89 #define SUN4I_CODEC_ADC_FIFOS (0x20) 90 #define SUN4I_CODEC_ADC_RXDATA (0x24) 91 92 /* Codec ADC side analog signal controls */ 93 #define SUN4I_CODEC_ADC_ACTL (0x28) 94 #define SUN4I_CODEC_ADC_ACTL_ADC_R_EN (31) 95 #define SUN4I_CODEC_ADC_ACTL_ADC_L_EN (30) 96 #define SUN4I_CODEC_ADC_ACTL_PREG1EN (29) 97 #define SUN4I_CODEC_ADC_ACTL_PREG2EN (28) 98 #define SUN4I_CODEC_ADC_ACTL_VMICEN (27) 99 #define SUN4I_CODEC_ADC_ACTL_PREG1 (25) 100 #define SUN4I_CODEC_ADC_ACTL_PREG2 (23) 101 #define SUN4I_CODEC_ADC_ACTL_VADCG (20) 102 #define SUN4I_CODEC_ADC_ACTL_ADCIS (17) 103 #define SUN4I_CODEC_ADC_ACTL_LNPREG (13) 104 #define SUN4I_CODEC_ADC_ACTL_PA_EN (4) 105 #define SUN4I_CODEC_ADC_ACTL_DDE (3) 106 #define SUN4I_CODEC_ADC_DEBUG (0x2c) 107 108 /* FIFO counters */ 109 #define SUN4I_CODEC_DAC_TXCNT (0x30) 110 #define SUN4I_CODEC_ADC_RXCNT (0x34) 111 112 /* Calibration register (sun7i only) */ 113 #define SUN7I_CODEC_AC_DAC_CAL (0x38) 114 115 /* Microphone controls (sun7i only) */ 116 #define SUN7I_CODEC_AC_MIC_PHONE_CAL (0x3c) 117 118 #define SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG1 (29) 119 #define SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG2 (26) 120 121 /* 122 * sun6i specific registers 123 * 124 * sun6i shares the same digital control and FIFO registers as sun4i, 125 * but only the DAC digital controls are at the same offset. The others 126 * have been moved around to accommodate extra analog controls. 127 */ 128 129 /* Codec DAC digital controls and FIFO registers */ 130 #define SUN6I_CODEC_ADC_FIFOC (0x10) 131 #define SUN6I_CODEC_ADC_FIFOC_EN_AD (28) 132 #define SUN6I_CODEC_ADC_FIFOS (0x14) 133 #define SUN6I_CODEC_ADC_RXDATA (0x18) 134 135 /* Output mixer and gain controls */ 136 #define SUN6I_CODEC_OM_DACA_CTRL (0x20) 137 #define SUN6I_CODEC_OM_DACA_CTRL_DACAREN (31) 138 #define SUN6I_CODEC_OM_DACA_CTRL_DACALEN (30) 139 #define SUN6I_CODEC_OM_DACA_CTRL_RMIXEN (29) 140 #define SUN6I_CODEC_OM_DACA_CTRL_LMIXEN (28) 141 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1 (23) 142 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2 (22) 143 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONE (21) 144 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_PHONEP (20) 145 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR (19) 146 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR (18) 147 #define SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL (17) 148 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1 (16) 149 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2 (15) 150 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONE (14) 151 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_PHONEN (13) 152 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL (12) 153 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL (11) 154 #define SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR (10) 155 #define SUN6I_CODEC_OM_DACA_CTRL_RHPIS (9) 156 #define SUN6I_CODEC_OM_DACA_CTRL_LHPIS (8) 157 #define SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE (7) 158 #define SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE (6) 159 #define SUN6I_CODEC_OM_DACA_CTRL_HPVOL (0) 160 #define SUN6I_CODEC_OM_PA_CTRL (0x24) 161 #define SUN6I_CODEC_OM_PA_CTRL_HPPAEN (31) 162 #define SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL (29) 163 #define SUN6I_CODEC_OM_PA_CTRL_COMPTEN (28) 164 #define SUN6I_CODEC_OM_PA_CTRL_MIC1G (15) 165 #define SUN6I_CODEC_OM_PA_CTRL_MIC2G (12) 166 #define SUN6I_CODEC_OM_PA_CTRL_LINEING (9) 167 #define SUN6I_CODEC_OM_PA_CTRL_PHONEG (6) 168 #define SUN6I_CODEC_OM_PA_CTRL_PHONEPG (3) 169 #define SUN6I_CODEC_OM_PA_CTRL_PHONENG (0) 170 171 /* Microphone, line out and phone out controls */ 172 #define SUN6I_CODEC_MIC_CTRL (0x28) 173 #define SUN6I_CODEC_MIC_CTRL_HBIASEN (31) 174 #define SUN6I_CODEC_MIC_CTRL_MBIASEN (30) 175 #define SUN6I_CODEC_MIC_CTRL_MIC1AMPEN (28) 176 #define SUN6I_CODEC_MIC_CTRL_MIC1BOOST (25) 177 #define SUN6I_CODEC_MIC_CTRL_MIC2AMPEN (24) 178 #define SUN6I_CODEC_MIC_CTRL_MIC2BOOST (21) 179 #define SUN6I_CODEC_MIC_CTRL_MIC2SLT (20) 180 #define SUN6I_CODEC_MIC_CTRL_LINEOUTLEN (19) 181 #define SUN6I_CODEC_MIC_CTRL_LINEOUTREN (18) 182 #define SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC (17) 183 #define SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC (16) 184 #define SUN6I_CODEC_MIC_CTRL_LINEOUTVC (11) 185 #define SUN6I_CODEC_MIC_CTRL_PHONEPREG (8) 186 187 /* ADC mixer controls */ 188 #define SUN6I_CODEC_ADC_ACTL (0x2c) 189 #define SUN6I_CODEC_ADC_ACTL_ADCREN (31) 190 #define SUN6I_CODEC_ADC_ACTL_ADCLEN (30) 191 #define SUN6I_CODEC_ADC_ACTL_ADCRG (27) 192 #define SUN6I_CODEC_ADC_ACTL_ADCLG (24) 193 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1 (13) 194 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2 (12) 195 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONE (11) 196 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_PHONEP (10) 197 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR (9) 198 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR (8) 199 #define SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL (7) 200 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1 (6) 201 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2 (5) 202 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONE (4) 203 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_PHONEN (3) 204 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL (2) 205 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL (1) 206 #define SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR (0) 207 208 /* Analog performance tuning controls */ 209 #define SUN6I_CODEC_ADDA_TUNE (0x30) 210 211 /* Calibration controls */ 212 #define SUN6I_CODEC_CALIBRATION (0x34) 213 214 /* FIFO counters */ 215 #define SUN6I_CODEC_DAC_TXCNT (0x40) 216 #define SUN6I_CODEC_ADC_RXCNT (0x44) 217 218 /* headset jack detection and button support registers */ 219 #define SUN6I_CODEC_HMIC_CTL (0x50) 220 #define SUN6I_CODEC_HMIC_DATA (0x54) 221 222 /* TODO sun6i DAP (Digital Audio Processing) bits */ 223 224 /* FIFO counters moved on A23 */ 225 #define SUN8I_A23_CODEC_DAC_TXCNT (0x1c) 226 #define SUN8I_A23_CODEC_ADC_RXCNT (0x20) 227 228 /* TX FIFO moved on H3 */ 229 #define SUN8I_H3_CODEC_DAC_TXDATA (0x20) 230 #define SUN8I_H3_CODEC_DAC_DBG (0x48) 231 #define SUN8I_H3_CODEC_ADC_DBG (0x4c) 232 233 /* TODO H3 DAP (Digital Audio Processing) bits */ 234 235 struct sun4i_codec { 236 struct device *dev; 237 struct regmap *regmap; 238 struct clk *clk_apb; 239 struct clk *clk_module; 240 struct reset_control *rst; 241 struct gpio_desc *gpio_pa; 242 243 /* ADC_FIFOC register is at different offset on different SoCs */ 244 struct regmap_field *reg_adc_fifoc; 245 246 struct snd_dmaengine_dai_dma_data capture_dma_data; 247 struct snd_dmaengine_dai_dma_data playback_dma_data; 248 }; 249 250 static void sun4i_codec_start_playback(struct sun4i_codec *scodec) 251 { 252 /* Flush TX FIFO */ 253 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 254 BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH), 255 BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH)); 256 257 /* Enable DAC DRQ */ 258 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 259 BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN), 260 BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN)); 261 } 262 263 static void sun4i_codec_stop_playback(struct sun4i_codec *scodec) 264 { 265 /* Disable DAC DRQ */ 266 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 267 BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN), 268 0); 269 } 270 271 static void sun4i_codec_start_capture(struct sun4i_codec *scodec) 272 { 273 /* Enable ADC DRQ */ 274 regmap_field_update_bits(scodec->reg_adc_fifoc, 275 BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN), 276 BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN)); 277 } 278 279 static void sun4i_codec_stop_capture(struct sun4i_codec *scodec) 280 { 281 /* Disable ADC DRQ */ 282 regmap_field_update_bits(scodec->reg_adc_fifoc, 283 BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN), 0); 284 } 285 286 static int sun4i_codec_trigger(struct snd_pcm_substream *substream, int cmd, 287 struct snd_soc_dai *dai) 288 { 289 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 290 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card); 291 292 switch (cmd) { 293 case SNDRV_PCM_TRIGGER_START: 294 case SNDRV_PCM_TRIGGER_RESUME: 295 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 296 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 297 sun4i_codec_start_playback(scodec); 298 else 299 sun4i_codec_start_capture(scodec); 300 break; 301 302 case SNDRV_PCM_TRIGGER_STOP: 303 case SNDRV_PCM_TRIGGER_SUSPEND: 304 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 305 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 306 sun4i_codec_stop_playback(scodec); 307 else 308 sun4i_codec_stop_capture(scodec); 309 break; 310 311 default: 312 return -EINVAL; 313 } 314 315 return 0; 316 } 317 318 static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream, 319 struct snd_soc_dai *dai) 320 { 321 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 322 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card); 323 324 325 /* Flush RX FIFO */ 326 regmap_field_update_bits(scodec->reg_adc_fifoc, 327 BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH), 328 BIT(SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH)); 329 330 331 /* Set RX FIFO trigger level */ 332 regmap_field_update_bits(scodec->reg_adc_fifoc, 333 0xf << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL, 334 0x7 << SUN4I_CODEC_ADC_FIFOC_RX_TRIG_LEVEL); 335 336 /* 337 * FIXME: Undocumented in the datasheet, but 338 * Allwinner's code mentions that it is 339 * related to microphone gain 340 */ 341 if (of_device_is_compatible(scodec->dev->of_node, 342 "allwinner,sun4i-a10-codec") || 343 of_device_is_compatible(scodec->dev->of_node, 344 "allwinner,sun7i-a20-codec")) { 345 regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_ACTL, 346 0x3 << 25, 347 0x1 << 25); 348 } 349 350 if (of_device_is_compatible(scodec->dev->of_node, 351 "allwinner,sun7i-a20-codec")) 352 /* FIXME: Undocumented bits */ 353 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_TUNE, 354 0x3 << 8, 355 0x1 << 8); 356 357 return 0; 358 } 359 360 static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream, 361 struct snd_soc_dai *dai) 362 { 363 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 364 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card); 365 u32 val; 366 367 /* Flush the TX FIFO */ 368 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 369 BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH), 370 BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH)); 371 372 /* Set TX FIFO Empty Trigger Level */ 373 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 374 0x3f << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL, 375 0xf << SUN4I_CODEC_DAC_FIFOC_TX_TRIG_LEVEL); 376 377 if (substream->runtime->rate > 32000) 378 /* Use 64 bits FIR filter */ 379 val = 0; 380 else 381 /* Use 32 bits FIR filter */ 382 val = BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION); 383 384 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 385 BIT(SUN4I_CODEC_DAC_FIFOC_FIR_VERSION), 386 val); 387 388 /* Send zeros when we have an underrun */ 389 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 390 BIT(SUN4I_CODEC_DAC_FIFOC_SEND_LASAT), 391 0); 392 393 return 0; 394 }; 395 396 static int sun4i_codec_prepare(struct snd_pcm_substream *substream, 397 struct snd_soc_dai *dai) 398 { 399 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 400 return sun4i_codec_prepare_playback(substream, dai); 401 402 return sun4i_codec_prepare_capture(substream, dai); 403 } 404 405 static unsigned long sun4i_codec_get_mod_freq(struct snd_pcm_hw_params *params) 406 { 407 unsigned int rate = params_rate(params); 408 409 switch (rate) { 410 case 176400: 411 case 88200: 412 case 44100: 413 case 33075: 414 case 22050: 415 case 14700: 416 case 11025: 417 case 7350: 418 return 22579200; 419 420 case 192000: 421 case 96000: 422 case 48000: 423 case 32000: 424 case 24000: 425 case 16000: 426 case 12000: 427 case 8000: 428 return 24576000; 429 430 default: 431 return 0; 432 } 433 } 434 435 static int sun4i_codec_get_hw_rate(struct snd_pcm_hw_params *params) 436 { 437 unsigned int rate = params_rate(params); 438 439 switch (rate) { 440 case 192000: 441 case 176400: 442 return 6; 443 444 case 96000: 445 case 88200: 446 return 7; 447 448 case 48000: 449 case 44100: 450 return 0; 451 452 case 32000: 453 case 33075: 454 return 1; 455 456 case 24000: 457 case 22050: 458 return 2; 459 460 case 16000: 461 case 14700: 462 return 3; 463 464 case 12000: 465 case 11025: 466 return 4; 467 468 case 8000: 469 case 7350: 470 return 5; 471 472 default: 473 return -EINVAL; 474 } 475 } 476 477 static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec, 478 struct snd_pcm_hw_params *params, 479 unsigned int hwrate) 480 { 481 /* Set ADC sample rate */ 482 regmap_field_update_bits(scodec->reg_adc_fifoc, 483 7 << SUN4I_CODEC_ADC_FIFOC_ADC_FS, 484 hwrate << SUN4I_CODEC_ADC_FIFOC_ADC_FS); 485 486 /* Set the number of channels we want to use */ 487 if (params_channels(params) == 1) 488 regmap_field_update_bits(scodec->reg_adc_fifoc, 489 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN), 490 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN)); 491 else 492 regmap_field_update_bits(scodec->reg_adc_fifoc, 493 BIT(SUN4I_CODEC_ADC_FIFOC_MONO_EN), 494 0); 495 496 /* Set the number of sample bits to either 16 or 24 bits */ 497 if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) { 498 regmap_field_update_bits(scodec->reg_adc_fifoc, 499 BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS), 500 BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS)); 501 502 regmap_field_update_bits(scodec->reg_adc_fifoc, 503 BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE), 504 0); 505 506 scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; 507 } else { 508 regmap_field_update_bits(scodec->reg_adc_fifoc, 509 BIT(SUN4I_CODEC_ADC_FIFOC_RX_SAMPLE_BITS), 510 0); 511 512 /* Fill most significant bits with valid data MSB */ 513 regmap_field_update_bits(scodec->reg_adc_fifoc, 514 BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE), 515 BIT(SUN4I_CODEC_ADC_FIFOC_RX_FIFO_MODE)); 516 517 scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; 518 } 519 520 return 0; 521 } 522 523 static int sun4i_codec_hw_params_playback(struct sun4i_codec *scodec, 524 struct snd_pcm_hw_params *params, 525 unsigned int hwrate) 526 { 527 u32 val; 528 529 /* Set DAC sample rate */ 530 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 531 7 << SUN4I_CODEC_DAC_FIFOC_DAC_FS, 532 hwrate << SUN4I_CODEC_DAC_FIFOC_DAC_FS); 533 534 /* Set the number of channels we want to use */ 535 if (params_channels(params) == 1) 536 val = BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN); 537 else 538 val = 0; 539 540 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 541 BIT(SUN4I_CODEC_DAC_FIFOC_MONO_EN), 542 val); 543 544 /* Set the number of sample bits to either 16 or 24 bits */ 545 if (hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS)->min == 32) { 546 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 547 BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS), 548 BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS)); 549 550 /* Set TX FIFO mode to padding the LSBs with 0 */ 551 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 552 BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE), 553 0); 554 555 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; 556 } else { 557 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 558 BIT(SUN4I_CODEC_DAC_FIFOC_TX_SAMPLE_BITS), 559 0); 560 561 /* Set TX FIFO mode to repeat the MSB */ 562 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 563 BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE), 564 BIT(SUN4I_CODEC_DAC_FIFOC_TX_FIFO_MODE)); 565 566 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; 567 } 568 569 return 0; 570 } 571 572 static int sun4i_codec_hw_params(struct snd_pcm_substream *substream, 573 struct snd_pcm_hw_params *params, 574 struct snd_soc_dai *dai) 575 { 576 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 577 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card); 578 unsigned long clk_freq; 579 int ret, hwrate; 580 581 clk_freq = sun4i_codec_get_mod_freq(params); 582 if (!clk_freq) 583 return -EINVAL; 584 585 ret = clk_set_rate(scodec->clk_module, clk_freq); 586 if (ret) 587 return ret; 588 589 hwrate = sun4i_codec_get_hw_rate(params); 590 if (hwrate < 0) 591 return hwrate; 592 593 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 594 return sun4i_codec_hw_params_playback(scodec, params, 595 hwrate); 596 597 return sun4i_codec_hw_params_capture(scodec, params, 598 hwrate); 599 } 600 601 602 static unsigned int sun4i_codec_src_rates[] = { 603 8000, 11025, 12000, 16000, 22050, 24000, 32000, 604 44100, 48000, 96000, 192000 605 }; 606 607 608 static struct snd_pcm_hw_constraint_list sun4i_codec_constraints = { 609 .count = ARRAY_SIZE(sun4i_codec_src_rates), 610 .list = sun4i_codec_src_rates, 611 }; 612 613 614 static int sun4i_codec_startup(struct snd_pcm_substream *substream, 615 struct snd_soc_dai *dai) 616 { 617 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 618 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card); 619 620 snd_pcm_hw_constraint_list(substream->runtime, 0, 621 SNDRV_PCM_HW_PARAM_RATE, &sun4i_codec_constraints); 622 623 /* 624 * Stop issuing DRQ when we have room for less than 16 samples 625 * in our TX FIFO 626 */ 627 regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC, 628 3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT, 629 3 << SUN4I_CODEC_DAC_FIFOC_DRQ_CLR_CNT); 630 631 return clk_prepare_enable(scodec->clk_module); 632 } 633 634 static void sun4i_codec_shutdown(struct snd_pcm_substream *substream, 635 struct snd_soc_dai *dai) 636 { 637 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 638 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card); 639 640 clk_disable_unprepare(scodec->clk_module); 641 } 642 643 static const struct snd_soc_dai_ops sun4i_codec_dai_ops = { 644 .startup = sun4i_codec_startup, 645 .shutdown = sun4i_codec_shutdown, 646 .trigger = sun4i_codec_trigger, 647 .hw_params = sun4i_codec_hw_params, 648 .prepare = sun4i_codec_prepare, 649 }; 650 651 static struct snd_soc_dai_driver sun4i_codec_dai = { 652 .name = "Codec", 653 .ops = &sun4i_codec_dai_ops, 654 .playback = { 655 .stream_name = "Codec Playback", 656 .channels_min = 1, 657 .channels_max = 2, 658 .rate_min = 8000, 659 .rate_max = 192000, 660 .rates = SNDRV_PCM_RATE_CONTINUOUS, 661 .formats = SNDRV_PCM_FMTBIT_S16_LE | 662 SNDRV_PCM_FMTBIT_S32_LE, 663 .sig_bits = 24, 664 }, 665 .capture = { 666 .stream_name = "Codec Capture", 667 .channels_min = 1, 668 .channels_max = 2, 669 .rate_min = 8000, 670 .rate_max = 48000, 671 .rates = SNDRV_PCM_RATE_CONTINUOUS, 672 .formats = SNDRV_PCM_FMTBIT_S16_LE | 673 SNDRV_PCM_FMTBIT_S32_LE, 674 .sig_bits = 24, 675 }, 676 }; 677 678 /*** sun4i Codec ***/ 679 static const struct snd_kcontrol_new sun4i_codec_pa_mute = 680 SOC_DAPM_SINGLE("Switch", SUN4I_CODEC_DAC_ACTL, 681 SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0); 682 683 static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1); 684 static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_loopback_gain_scale, -150, 150, 685 0); 686 static DECLARE_TLV_DB_SCALE(sun4i_codec_linein_preamp_gain_scale, -1200, 300, 687 0); 688 static DECLARE_TLV_DB_SCALE(sun4i_codec_fmin_loopback_gain_scale, -450, 150, 689 0); 690 static DECLARE_TLV_DB_SCALE(sun4i_codec_micin_loopback_gain_scale, -450, 150, 691 0); 692 static DECLARE_TLV_DB_RANGE(sun4i_codec_micin_preamp_gain_scale, 693 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0), 694 1, 7, TLV_DB_SCALE_ITEM(3500, 300, 0)); 695 static DECLARE_TLV_DB_RANGE(sun7i_codec_micin_preamp_gain_scale, 696 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0), 697 1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0)); 698 699 static const struct snd_kcontrol_new sun4i_codec_controls[] = { 700 SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL, 701 SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0, 702 sun4i_codec_pa_volume_scale), 703 SOC_SINGLE_TLV("Line Playback Volume", SUN4I_CODEC_DAC_ACTL, 704 SUN4I_CODEC_DAC_ACTL_LNG, 1, 0, 705 sun4i_codec_linein_loopback_gain_scale), 706 SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL, 707 SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0, 708 sun4i_codec_linein_preamp_gain_scale), 709 SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL, 710 SUN4I_CODEC_DAC_ACTL_FMG, 3, 0, 711 sun4i_codec_fmin_loopback_gain_scale), 712 SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL, 713 SUN4I_CODEC_DAC_ACTL_MICG, 7, 0, 714 sun4i_codec_micin_loopback_gain_scale), 715 SOC_SINGLE_TLV("Mic1 Boost Volume", SUN4I_CODEC_ADC_ACTL, 716 SUN4I_CODEC_ADC_ACTL_PREG1, 3, 0, 717 sun4i_codec_micin_preamp_gain_scale), 718 SOC_SINGLE_TLV("Mic2 Boost Volume", SUN4I_CODEC_ADC_ACTL, 719 SUN4I_CODEC_ADC_ACTL_PREG2, 3, 0, 720 sun4i_codec_micin_preamp_gain_scale), 721 }; 722 723 static const struct snd_kcontrol_new sun7i_codec_controls[] = { 724 SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL, 725 SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0, 726 sun4i_codec_pa_volume_scale), 727 SOC_SINGLE_TLV("Line Playback Volume", SUN4I_CODEC_DAC_ACTL, 728 SUN4I_CODEC_DAC_ACTL_LNG, 1, 0, 729 sun4i_codec_linein_loopback_gain_scale), 730 SOC_SINGLE_TLV("Line Boost Volume", SUN4I_CODEC_ADC_ACTL, 731 SUN4I_CODEC_ADC_ACTL_LNPREG, 7, 0, 732 sun4i_codec_linein_preamp_gain_scale), 733 SOC_SINGLE_TLV("FM Playback Volume", SUN4I_CODEC_DAC_ACTL, 734 SUN4I_CODEC_DAC_ACTL_FMG, 3, 0, 735 sun4i_codec_fmin_loopback_gain_scale), 736 SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL, 737 SUN4I_CODEC_DAC_ACTL_MICG, 7, 0, 738 sun4i_codec_micin_loopback_gain_scale), 739 SOC_SINGLE_TLV("Mic1 Boost Volume", SUN7I_CODEC_AC_MIC_PHONE_CAL, 740 SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG1, 7, 0, 741 sun7i_codec_micin_preamp_gain_scale), 742 SOC_SINGLE_TLV("Mic2 Boost Volume", SUN7I_CODEC_AC_MIC_PHONE_CAL, 743 SUN7I_CODEC_AC_MIC_PHONE_CAL_PREG2, 7, 0, 744 sun7i_codec_micin_preamp_gain_scale), 745 }; 746 747 static const struct snd_kcontrol_new sun4i_codec_mixer_controls[] = { 748 SOC_DAPM_SINGLE("Left Mixer Left DAC Playback Switch", 749 SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_LDACLMIXS, 750 1, 0), 751 SOC_DAPM_SINGLE("Right Mixer Right DAC Playback Switch", 752 SUN4I_CODEC_DAC_ACTL, SUN4I_CODEC_DAC_ACTL_RDACRMIXS, 753 1, 0), 754 SOC_DAPM_SINGLE("Right Mixer Left DAC Playback Switch", 755 SUN4I_CODEC_DAC_ACTL, 756 SUN4I_CODEC_DAC_ACTL_LDACRMIXS, 1, 0), 757 SOC_DAPM_DOUBLE("Line Playback Switch", SUN4I_CODEC_DAC_ACTL, 758 SUN4I_CODEC_DAC_ACTL_LLNS, 759 SUN4I_CODEC_DAC_ACTL_RLNS, 1, 0), 760 SOC_DAPM_DOUBLE("FM Playback Switch", SUN4I_CODEC_DAC_ACTL, 761 SUN4I_CODEC_DAC_ACTL_LFMS, 762 SUN4I_CODEC_DAC_ACTL_RFMS, 1, 0), 763 SOC_DAPM_DOUBLE("Mic1 Playback Switch", SUN4I_CODEC_DAC_ACTL, 764 SUN4I_CODEC_DAC_ACTL_MIC1LS, 765 SUN4I_CODEC_DAC_ACTL_MIC1RS, 1, 0), 766 SOC_DAPM_DOUBLE("Mic2 Playback Switch", SUN4I_CODEC_DAC_ACTL, 767 SUN4I_CODEC_DAC_ACTL_MIC2LS, 768 SUN4I_CODEC_DAC_ACTL_MIC2RS, 1, 0), 769 }; 770 771 static const struct snd_kcontrol_new sun4i_codec_pa_mixer_controls[] = { 772 SOC_DAPM_SINGLE("DAC Playback Switch", SUN4I_CODEC_DAC_ACTL, 773 SUN4I_CODEC_DAC_ACTL_DACPAS, 1, 0), 774 SOC_DAPM_SINGLE("Mixer Playback Switch", SUN4I_CODEC_DAC_ACTL, 775 SUN4I_CODEC_DAC_ACTL_MIXPAS, 1, 0), 776 }; 777 778 static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = { 779 /* Digital parts of the ADCs */ 780 SND_SOC_DAPM_SUPPLY("ADC", SUN4I_CODEC_ADC_FIFOC, 781 SUN4I_CODEC_ADC_FIFOC_EN_AD, 0, 782 NULL, 0), 783 784 /* Digital parts of the DACs */ 785 SND_SOC_DAPM_SUPPLY("DAC", SUN4I_CODEC_DAC_DPC, 786 SUN4I_CODEC_DAC_DPC_EN_DA, 0, 787 NULL, 0), 788 789 /* Analog parts of the ADCs */ 790 SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL, 791 SUN4I_CODEC_ADC_ACTL_ADC_L_EN, 0), 792 SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN4I_CODEC_ADC_ACTL, 793 SUN4I_CODEC_ADC_ACTL_ADC_R_EN, 0), 794 795 /* Analog parts of the DACs */ 796 SND_SOC_DAPM_DAC("Left DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL, 797 SUN4I_CODEC_DAC_ACTL_DACAENL, 0), 798 SND_SOC_DAPM_DAC("Right DAC", "Codec Playback", SUN4I_CODEC_DAC_ACTL, 799 SUN4I_CODEC_DAC_ACTL_DACAENR, 0), 800 801 /* Mixers */ 802 SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0, 803 sun4i_codec_mixer_controls, 804 ARRAY_SIZE(sun4i_codec_mixer_controls)), 805 SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0, 806 sun4i_codec_mixer_controls, 807 ARRAY_SIZE(sun4i_codec_mixer_controls)), 808 809 /* Global Mixer Enable */ 810 SND_SOC_DAPM_SUPPLY("Mixer Enable", SUN4I_CODEC_DAC_ACTL, 811 SUN4I_CODEC_DAC_ACTL_MIXEN, 0, NULL, 0), 812 813 /* VMIC */ 814 SND_SOC_DAPM_SUPPLY("VMIC", SUN4I_CODEC_ADC_ACTL, 815 SUN4I_CODEC_ADC_ACTL_VMICEN, 0, NULL, 0), 816 817 /* Mic Pre-Amplifiers */ 818 SND_SOC_DAPM_PGA("MIC1 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL, 819 SUN4I_CODEC_ADC_ACTL_PREG1EN, 0, NULL, 0), 820 SND_SOC_DAPM_PGA("MIC2 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL, 821 SUN4I_CODEC_ADC_ACTL_PREG2EN, 0, NULL, 0), 822 823 /* Power Amplifier */ 824 SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL, 825 SUN4I_CODEC_ADC_ACTL_PA_EN, 0, 826 sun4i_codec_pa_mixer_controls, 827 ARRAY_SIZE(sun4i_codec_pa_mixer_controls)), 828 SND_SOC_DAPM_SWITCH("Power Amplifier Mute", SND_SOC_NOPM, 0, 0, 829 &sun4i_codec_pa_mute), 830 831 SND_SOC_DAPM_INPUT("Line Right"), 832 SND_SOC_DAPM_INPUT("Line Left"), 833 SND_SOC_DAPM_INPUT("FM Right"), 834 SND_SOC_DAPM_INPUT("FM Left"), 835 SND_SOC_DAPM_INPUT("Mic1"), 836 SND_SOC_DAPM_INPUT("Mic2"), 837 838 SND_SOC_DAPM_OUTPUT("HP Right"), 839 SND_SOC_DAPM_OUTPUT("HP Left"), 840 }; 841 842 static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = { 843 /* Left ADC / DAC Routes */ 844 { "Left ADC", NULL, "ADC" }, 845 { "Left DAC", NULL, "DAC" }, 846 847 /* Right ADC / DAC Routes */ 848 { "Right ADC", NULL, "ADC" }, 849 { "Right DAC", NULL, "DAC" }, 850 851 /* Right Mixer Routes */ 852 { "Right Mixer", NULL, "Mixer Enable" }, 853 { "Right Mixer", "Right Mixer Left DAC Playback Switch", "Left DAC" }, 854 { "Right Mixer", "Right Mixer Right DAC Playback Switch", "Right DAC" }, 855 { "Right Mixer", "Line Playback Switch", "Line Right" }, 856 { "Right Mixer", "FM Playback Switch", "FM Right" }, 857 { "Right Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" }, 858 { "Right Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" }, 859 860 /* Left Mixer Routes */ 861 { "Left Mixer", NULL, "Mixer Enable" }, 862 { "Left Mixer", "Left Mixer Left DAC Playback Switch", "Left DAC" }, 863 { "Left Mixer", "Line Playback Switch", "Line Left" }, 864 { "Left Mixer", "FM Playback Switch", "FM Left" }, 865 { "Left Mixer", "Mic1 Playback Switch", "MIC1 Pre-Amplifier" }, 866 { "Left Mixer", "Mic2 Playback Switch", "MIC2 Pre-Amplifier" }, 867 868 /* Power Amplifier Routes */ 869 { "Power Amplifier", "Mixer Playback Switch", "Left Mixer" }, 870 { "Power Amplifier", "Mixer Playback Switch", "Right Mixer" }, 871 { "Power Amplifier", "DAC Playback Switch", "Left DAC" }, 872 { "Power Amplifier", "DAC Playback Switch", "Right DAC" }, 873 874 /* Headphone Output Routes */ 875 { "Power Amplifier Mute", "Switch", "Power Amplifier" }, 876 { "HP Right", NULL, "Power Amplifier Mute" }, 877 { "HP Left", NULL, "Power Amplifier Mute" }, 878 879 /* Mic1 Routes */ 880 { "Left ADC", NULL, "MIC1 Pre-Amplifier" }, 881 { "Right ADC", NULL, "MIC1 Pre-Amplifier" }, 882 { "MIC1 Pre-Amplifier", NULL, "Mic1"}, 883 { "Mic1", NULL, "VMIC" }, 884 885 /* Mic2 Routes */ 886 { "Left ADC", NULL, "MIC2 Pre-Amplifier" }, 887 { "Right ADC", NULL, "MIC2 Pre-Amplifier" }, 888 { "MIC2 Pre-Amplifier", NULL, "Mic2"}, 889 { "Mic2", NULL, "VMIC" }, 890 }; 891 892 static const struct snd_soc_component_driver sun4i_codec_codec = { 893 .controls = sun4i_codec_controls, 894 .num_controls = ARRAY_SIZE(sun4i_codec_controls), 895 .dapm_widgets = sun4i_codec_codec_dapm_widgets, 896 .num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets), 897 .dapm_routes = sun4i_codec_codec_dapm_routes, 898 .num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes), 899 .idle_bias_on = 1, 900 .use_pmdown_time = 1, 901 .endianness = 1, 902 .non_legacy_dai_naming = 1, 903 }; 904 905 static const struct snd_soc_component_driver sun7i_codec_codec = { 906 .controls = sun7i_codec_controls, 907 .num_controls = ARRAY_SIZE(sun7i_codec_controls), 908 .dapm_widgets = sun4i_codec_codec_dapm_widgets, 909 .num_dapm_widgets = ARRAY_SIZE(sun4i_codec_codec_dapm_widgets), 910 .dapm_routes = sun4i_codec_codec_dapm_routes, 911 .num_dapm_routes = ARRAY_SIZE(sun4i_codec_codec_dapm_routes), 912 .idle_bias_on = 1, 913 .use_pmdown_time = 1, 914 .endianness = 1, 915 .non_legacy_dai_naming = 1, 916 }; 917 918 /*** sun6i Codec ***/ 919 920 /* mixer controls */ 921 static const struct snd_kcontrol_new sun6i_codec_mixer_controls[] = { 922 SOC_DAPM_DOUBLE("DAC Playback Switch", 923 SUN6I_CODEC_OM_DACA_CTRL, 924 SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACL, 925 SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACR, 1, 0), 926 SOC_DAPM_DOUBLE("DAC Reversed Playback Switch", 927 SUN6I_CODEC_OM_DACA_CTRL, 928 SUN6I_CODEC_OM_DACA_CTRL_LMIX_DACR, 929 SUN6I_CODEC_OM_DACA_CTRL_RMIX_DACL, 1, 0), 930 SOC_DAPM_DOUBLE("Line In Playback Switch", 931 SUN6I_CODEC_OM_DACA_CTRL, 932 SUN6I_CODEC_OM_DACA_CTRL_LMIX_LINEINL, 933 SUN6I_CODEC_OM_DACA_CTRL_RMIX_LINEINR, 1, 0), 934 SOC_DAPM_DOUBLE("Mic1 Playback Switch", 935 SUN6I_CODEC_OM_DACA_CTRL, 936 SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC1, 937 SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC1, 1, 0), 938 SOC_DAPM_DOUBLE("Mic2 Playback Switch", 939 SUN6I_CODEC_OM_DACA_CTRL, 940 SUN6I_CODEC_OM_DACA_CTRL_LMIX_MIC2, 941 SUN6I_CODEC_OM_DACA_CTRL_RMIX_MIC2, 1, 0), 942 }; 943 944 /* ADC mixer controls */ 945 static const struct snd_kcontrol_new sun6i_codec_adc_mixer_controls[] = { 946 SOC_DAPM_DOUBLE("Mixer Capture Switch", 947 SUN6I_CODEC_ADC_ACTL, 948 SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXL, 949 SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXR, 1, 0), 950 SOC_DAPM_DOUBLE("Mixer Reversed Capture Switch", 951 SUN6I_CODEC_ADC_ACTL, 952 SUN6I_CODEC_ADC_ACTL_LADCMIX_OMIXR, 953 SUN6I_CODEC_ADC_ACTL_RADCMIX_OMIXL, 1, 0), 954 SOC_DAPM_DOUBLE("Line In Capture Switch", 955 SUN6I_CODEC_ADC_ACTL, 956 SUN6I_CODEC_ADC_ACTL_LADCMIX_LINEINL, 957 SUN6I_CODEC_ADC_ACTL_RADCMIX_LINEINR, 1, 0), 958 SOC_DAPM_DOUBLE("Mic1 Capture Switch", 959 SUN6I_CODEC_ADC_ACTL, 960 SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC1, 961 SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC1, 1, 0), 962 SOC_DAPM_DOUBLE("Mic2 Capture Switch", 963 SUN6I_CODEC_ADC_ACTL, 964 SUN6I_CODEC_ADC_ACTL_LADCMIX_MIC2, 965 SUN6I_CODEC_ADC_ACTL_RADCMIX_MIC2, 1, 0), 966 }; 967 968 /* headphone controls */ 969 static const char * const sun6i_codec_hp_src_enum_text[] = { 970 "DAC", "Mixer", 971 }; 972 973 static SOC_ENUM_DOUBLE_DECL(sun6i_codec_hp_src_enum, 974 SUN6I_CODEC_OM_DACA_CTRL, 975 SUN6I_CODEC_OM_DACA_CTRL_LHPIS, 976 SUN6I_CODEC_OM_DACA_CTRL_RHPIS, 977 sun6i_codec_hp_src_enum_text); 978 979 static const struct snd_kcontrol_new sun6i_codec_hp_src[] = { 980 SOC_DAPM_ENUM("Headphone Source Playback Route", 981 sun6i_codec_hp_src_enum), 982 }; 983 984 /* microphone controls */ 985 static const char * const sun6i_codec_mic2_src_enum_text[] = { 986 "Mic2", "Mic3", 987 }; 988 989 static SOC_ENUM_SINGLE_DECL(sun6i_codec_mic2_src_enum, 990 SUN6I_CODEC_MIC_CTRL, 991 SUN6I_CODEC_MIC_CTRL_MIC2SLT, 992 sun6i_codec_mic2_src_enum_text); 993 994 static const struct snd_kcontrol_new sun6i_codec_mic2_src[] = { 995 SOC_DAPM_ENUM("Mic2 Amplifier Source Route", 996 sun6i_codec_mic2_src_enum), 997 }; 998 999 /* line out controls */ 1000 static const char * const sun6i_codec_lineout_src_enum_text[] = { 1001 "Stereo", "Mono Differential", 1002 }; 1003 1004 static SOC_ENUM_DOUBLE_DECL(sun6i_codec_lineout_src_enum, 1005 SUN6I_CODEC_MIC_CTRL, 1006 SUN6I_CODEC_MIC_CTRL_LINEOUTLSRC, 1007 SUN6I_CODEC_MIC_CTRL_LINEOUTRSRC, 1008 sun6i_codec_lineout_src_enum_text); 1009 1010 static const struct snd_kcontrol_new sun6i_codec_lineout_src[] = { 1011 SOC_DAPM_ENUM("Line Out Source Playback Route", 1012 sun6i_codec_lineout_src_enum), 1013 }; 1014 1015 /* volume / mute controls */ 1016 static const DECLARE_TLV_DB_SCALE(sun6i_codec_dvol_scale, -7308, 116, 0); 1017 static const DECLARE_TLV_DB_SCALE(sun6i_codec_hp_vol_scale, -6300, 100, 1); 1018 static const DECLARE_TLV_DB_SCALE(sun6i_codec_out_mixer_pregain_scale, 1019 -450, 150, 0); 1020 static const DECLARE_TLV_DB_RANGE(sun6i_codec_lineout_vol_scale, 1021 0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1), 1022 2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0), 1023 ); 1024 static const DECLARE_TLV_DB_RANGE(sun6i_codec_mic_gain_scale, 1025 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0), 1026 1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0), 1027 ); 1028 1029 static const struct snd_kcontrol_new sun6i_codec_codec_widgets[] = { 1030 SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC, 1031 SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1, 1032 sun6i_codec_dvol_scale), 1033 SOC_SINGLE_TLV("Headphone Playback Volume", 1034 SUN6I_CODEC_OM_DACA_CTRL, 1035 SUN6I_CODEC_OM_DACA_CTRL_HPVOL, 0x3f, 0, 1036 sun6i_codec_hp_vol_scale), 1037 SOC_SINGLE_TLV("Line Out Playback Volume", 1038 SUN6I_CODEC_MIC_CTRL, 1039 SUN6I_CODEC_MIC_CTRL_LINEOUTVC, 0x1f, 0, 1040 sun6i_codec_lineout_vol_scale), 1041 SOC_DOUBLE("Headphone Playback Switch", 1042 SUN6I_CODEC_OM_DACA_CTRL, 1043 SUN6I_CODEC_OM_DACA_CTRL_LHPPAMUTE, 1044 SUN6I_CODEC_OM_DACA_CTRL_RHPPAMUTE, 1, 0), 1045 SOC_DOUBLE("Line Out Playback Switch", 1046 SUN6I_CODEC_MIC_CTRL, 1047 SUN6I_CODEC_MIC_CTRL_LINEOUTLEN, 1048 SUN6I_CODEC_MIC_CTRL_LINEOUTREN, 1, 0), 1049 /* Mixer pre-gains */ 1050 SOC_SINGLE_TLV("Line In Playback Volume", 1051 SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_LINEING, 1052 0x7, 0, sun6i_codec_out_mixer_pregain_scale), 1053 SOC_SINGLE_TLV("Mic1 Playback Volume", 1054 SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC1G, 1055 0x7, 0, sun6i_codec_out_mixer_pregain_scale), 1056 SOC_SINGLE_TLV("Mic2 Playback Volume", 1057 SUN6I_CODEC_OM_PA_CTRL, SUN6I_CODEC_OM_PA_CTRL_MIC2G, 1058 0x7, 0, sun6i_codec_out_mixer_pregain_scale), 1059 1060 /* Microphone Amp boost gains */ 1061 SOC_SINGLE_TLV("Mic1 Boost Volume", SUN6I_CODEC_MIC_CTRL, 1062 SUN6I_CODEC_MIC_CTRL_MIC1BOOST, 0x7, 0, 1063 sun6i_codec_mic_gain_scale), 1064 SOC_SINGLE_TLV("Mic2 Boost Volume", SUN6I_CODEC_MIC_CTRL, 1065 SUN6I_CODEC_MIC_CTRL_MIC2BOOST, 0x7, 0, 1066 sun6i_codec_mic_gain_scale), 1067 SOC_DOUBLE_TLV("ADC Capture Volume", 1068 SUN6I_CODEC_ADC_ACTL, SUN6I_CODEC_ADC_ACTL_ADCLG, 1069 SUN6I_CODEC_ADC_ACTL_ADCRG, 0x7, 0, 1070 sun6i_codec_out_mixer_pregain_scale), 1071 }; 1072 1073 static const struct snd_soc_dapm_widget sun6i_codec_codec_dapm_widgets[] = { 1074 /* Microphone inputs */ 1075 SND_SOC_DAPM_INPUT("MIC1"), 1076 SND_SOC_DAPM_INPUT("MIC2"), 1077 SND_SOC_DAPM_INPUT("MIC3"), 1078 1079 /* Microphone Bias */ 1080 SND_SOC_DAPM_SUPPLY("HBIAS", SUN6I_CODEC_MIC_CTRL, 1081 SUN6I_CODEC_MIC_CTRL_HBIASEN, 0, NULL, 0), 1082 SND_SOC_DAPM_SUPPLY("MBIAS", SUN6I_CODEC_MIC_CTRL, 1083 SUN6I_CODEC_MIC_CTRL_MBIASEN, 0, NULL, 0), 1084 1085 /* Mic input path */ 1086 SND_SOC_DAPM_MUX("Mic2 Amplifier Source Route", 1087 SND_SOC_NOPM, 0, 0, sun6i_codec_mic2_src), 1088 SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN6I_CODEC_MIC_CTRL, 1089 SUN6I_CODEC_MIC_CTRL_MIC1AMPEN, 0, NULL, 0), 1090 SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN6I_CODEC_MIC_CTRL, 1091 SUN6I_CODEC_MIC_CTRL_MIC2AMPEN, 0, NULL, 0), 1092 1093 /* Line In */ 1094 SND_SOC_DAPM_INPUT("LINEIN"), 1095 1096 /* Digital parts of the ADCs */ 1097 SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC, 1098 SUN6I_CODEC_ADC_FIFOC_EN_AD, 0, 1099 NULL, 0), 1100 1101 /* Analog parts of the ADCs */ 1102 SND_SOC_DAPM_ADC("Left ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL, 1103 SUN6I_CODEC_ADC_ACTL_ADCLEN, 0), 1104 SND_SOC_DAPM_ADC("Right ADC", "Codec Capture", SUN6I_CODEC_ADC_ACTL, 1105 SUN6I_CODEC_ADC_ACTL_ADCREN, 0), 1106 1107 /* ADC Mixers */ 1108 SOC_MIXER_ARRAY("Left ADC Mixer", SND_SOC_NOPM, 0, 0, 1109 sun6i_codec_adc_mixer_controls), 1110 SOC_MIXER_ARRAY("Right ADC Mixer", SND_SOC_NOPM, 0, 0, 1111 sun6i_codec_adc_mixer_controls), 1112 1113 /* Digital parts of the DACs */ 1114 SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC, 1115 SUN4I_CODEC_DAC_DPC_EN_DA, 0, 1116 NULL, 0), 1117 1118 /* Analog parts of the DACs */ 1119 SND_SOC_DAPM_DAC("Left DAC", "Codec Playback", 1120 SUN6I_CODEC_OM_DACA_CTRL, 1121 SUN6I_CODEC_OM_DACA_CTRL_DACALEN, 0), 1122 SND_SOC_DAPM_DAC("Right DAC", "Codec Playback", 1123 SUN6I_CODEC_OM_DACA_CTRL, 1124 SUN6I_CODEC_OM_DACA_CTRL_DACAREN, 0), 1125 1126 /* Mixers */ 1127 SOC_MIXER_ARRAY("Left Mixer", SUN6I_CODEC_OM_DACA_CTRL, 1128 SUN6I_CODEC_OM_DACA_CTRL_LMIXEN, 0, 1129 sun6i_codec_mixer_controls), 1130 SOC_MIXER_ARRAY("Right Mixer", SUN6I_CODEC_OM_DACA_CTRL, 1131 SUN6I_CODEC_OM_DACA_CTRL_RMIXEN, 0, 1132 sun6i_codec_mixer_controls), 1133 1134 /* Headphone output path */ 1135 SND_SOC_DAPM_MUX("Headphone Source Playback Route", 1136 SND_SOC_NOPM, 0, 0, sun6i_codec_hp_src), 1137 SND_SOC_DAPM_OUT_DRV("Headphone Amp", SUN6I_CODEC_OM_PA_CTRL, 1138 SUN6I_CODEC_OM_PA_CTRL_HPPAEN, 0, NULL, 0), 1139 SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN6I_CODEC_OM_PA_CTRL, 1140 SUN6I_CODEC_OM_PA_CTRL_COMPTEN, 0, NULL, 0), 1141 SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN6I_CODEC_OM_PA_CTRL, 1142 SUN6I_CODEC_OM_PA_CTRL_HPCOM_CTL, 0x3, 0x3, 0), 1143 SND_SOC_DAPM_OUTPUT("HP"), 1144 1145 /* Line Out path */ 1146 SND_SOC_DAPM_MUX("Line Out Source Playback Route", 1147 SND_SOC_NOPM, 0, 0, sun6i_codec_lineout_src), 1148 SND_SOC_DAPM_OUTPUT("LINEOUT"), 1149 }; 1150 1151 static const struct snd_soc_dapm_route sun6i_codec_codec_dapm_routes[] = { 1152 /* DAC Routes */ 1153 { "Left DAC", NULL, "DAC Enable" }, 1154 { "Right DAC", NULL, "DAC Enable" }, 1155 1156 /* Microphone Routes */ 1157 { "Mic1 Amplifier", NULL, "MIC1"}, 1158 { "Mic2 Amplifier Source Route", "Mic2", "MIC2" }, 1159 { "Mic2 Amplifier Source Route", "Mic3", "MIC3" }, 1160 { "Mic2 Amplifier", NULL, "Mic2 Amplifier Source Route"}, 1161 1162 /* Left Mixer Routes */ 1163 { "Left Mixer", "DAC Playback Switch", "Left DAC" }, 1164 { "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" }, 1165 { "Left Mixer", "Line In Playback Switch", "LINEIN" }, 1166 { "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" }, 1167 { "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" }, 1168 1169 /* Right Mixer Routes */ 1170 { "Right Mixer", "DAC Playback Switch", "Right DAC" }, 1171 { "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" }, 1172 { "Right Mixer", "Line In Playback Switch", "LINEIN" }, 1173 { "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" }, 1174 { "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" }, 1175 1176 /* Left ADC Mixer Routes */ 1177 { "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" }, 1178 { "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" }, 1179 { "Left ADC Mixer", "Line In Capture Switch", "LINEIN" }, 1180 { "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" }, 1181 { "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" }, 1182 1183 /* Right ADC Mixer Routes */ 1184 { "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" }, 1185 { "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" }, 1186 { "Right ADC Mixer", "Line In Capture Switch", "LINEIN" }, 1187 { "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" }, 1188 { "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" }, 1189 1190 /* Headphone Routes */ 1191 { "Headphone Source Playback Route", "DAC", "Left DAC" }, 1192 { "Headphone Source Playback Route", "DAC", "Right DAC" }, 1193 { "Headphone Source Playback Route", "Mixer", "Left Mixer" }, 1194 { "Headphone Source Playback Route", "Mixer", "Right Mixer" }, 1195 { "Headphone Amp", NULL, "Headphone Source Playback Route" }, 1196 { "HP", NULL, "Headphone Amp" }, 1197 { "HPCOM", NULL, "HPCOM Protection" }, 1198 1199 /* Line Out Routes */ 1200 { "Line Out Source Playback Route", "Stereo", "Left Mixer" }, 1201 { "Line Out Source Playback Route", "Stereo", "Right Mixer" }, 1202 { "Line Out Source Playback Route", "Mono Differential", "Left Mixer" }, 1203 { "Line Out Source Playback Route", "Mono Differential", "Right Mixer" }, 1204 { "LINEOUT", NULL, "Line Out Source Playback Route" }, 1205 1206 /* ADC Routes */ 1207 { "Left ADC", NULL, "ADC Enable" }, 1208 { "Right ADC", NULL, "ADC Enable" }, 1209 { "Left ADC", NULL, "Left ADC Mixer" }, 1210 { "Right ADC", NULL, "Right ADC Mixer" }, 1211 }; 1212 1213 static const struct snd_soc_component_driver sun6i_codec_codec = { 1214 .controls = sun6i_codec_codec_widgets, 1215 .num_controls = ARRAY_SIZE(sun6i_codec_codec_widgets), 1216 .dapm_widgets = sun6i_codec_codec_dapm_widgets, 1217 .num_dapm_widgets = ARRAY_SIZE(sun6i_codec_codec_dapm_widgets), 1218 .dapm_routes = sun6i_codec_codec_dapm_routes, 1219 .num_dapm_routes = ARRAY_SIZE(sun6i_codec_codec_dapm_routes), 1220 .idle_bias_on = 1, 1221 .use_pmdown_time = 1, 1222 .endianness = 1, 1223 .non_legacy_dai_naming = 1, 1224 }; 1225 1226 /* sun8i A23 codec */ 1227 static const struct snd_kcontrol_new sun8i_a23_codec_codec_controls[] = { 1228 SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC, 1229 SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1, 1230 sun6i_codec_dvol_scale), 1231 }; 1232 1233 static const struct snd_soc_dapm_widget sun8i_a23_codec_codec_widgets[] = { 1234 /* Digital parts of the ADCs */ 1235 SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC, 1236 SUN6I_CODEC_ADC_FIFOC_EN_AD, 0, NULL, 0), 1237 /* Digital parts of the DACs */ 1238 SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC, 1239 SUN4I_CODEC_DAC_DPC_EN_DA, 0, NULL, 0), 1240 1241 }; 1242 1243 static const struct snd_soc_component_driver sun8i_a23_codec_codec = { 1244 .controls = sun8i_a23_codec_codec_controls, 1245 .num_controls = ARRAY_SIZE(sun8i_a23_codec_codec_controls), 1246 .dapm_widgets = sun8i_a23_codec_codec_widgets, 1247 .num_dapm_widgets = ARRAY_SIZE(sun8i_a23_codec_codec_widgets), 1248 .idle_bias_on = 1, 1249 .use_pmdown_time = 1, 1250 .endianness = 1, 1251 .non_legacy_dai_naming = 1, 1252 }; 1253 1254 static const struct snd_soc_component_driver sun4i_codec_component = { 1255 .name = "sun4i-codec", 1256 }; 1257 1258 #define SUN4I_CODEC_RATES SNDRV_PCM_RATE_CONTINUOUS 1259 #define SUN4I_CODEC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ 1260 SNDRV_PCM_FMTBIT_S32_LE) 1261 1262 static int sun4i_codec_dai_probe(struct snd_soc_dai *dai) 1263 { 1264 struct snd_soc_card *card = snd_soc_dai_get_drvdata(dai); 1265 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card); 1266 1267 snd_soc_dai_init_dma_data(dai, &scodec->playback_dma_data, 1268 &scodec->capture_dma_data); 1269 1270 return 0; 1271 } 1272 1273 static struct snd_soc_dai_driver dummy_cpu_dai = { 1274 .name = "sun4i-codec-cpu-dai", 1275 .probe = sun4i_codec_dai_probe, 1276 .playback = { 1277 .stream_name = "Playback", 1278 .channels_min = 1, 1279 .channels_max = 2, 1280 .rates = SUN4I_CODEC_RATES, 1281 .formats = SUN4I_CODEC_FORMATS, 1282 .sig_bits = 24, 1283 }, 1284 .capture = { 1285 .stream_name = "Capture", 1286 .channels_min = 1, 1287 .channels_max = 2, 1288 .rates = SUN4I_CODEC_RATES, 1289 .formats = SUN4I_CODEC_FORMATS, 1290 .sig_bits = 24, 1291 }, 1292 }; 1293 1294 static struct snd_soc_dai_link *sun4i_codec_create_link(struct device *dev, 1295 int *num_links) 1296 { 1297 struct snd_soc_dai_link *link = devm_kzalloc(dev, sizeof(*link), 1298 GFP_KERNEL); 1299 struct snd_soc_dai_link_component *dlc = devm_kzalloc(dev, 1300 3 * sizeof(*dlc), GFP_KERNEL); 1301 if (!link || !dlc) 1302 return NULL; 1303 1304 link->cpus = &dlc[0]; 1305 link->codecs = &dlc[1]; 1306 link->platforms = &dlc[2]; 1307 1308 link->num_cpus = 1; 1309 link->num_codecs = 1; 1310 link->num_platforms = 1; 1311 1312 link->name = "cdc"; 1313 link->stream_name = "CDC PCM"; 1314 link->codecs->dai_name = "Codec"; 1315 link->cpus->dai_name = dev_name(dev); 1316 link->codecs->name = dev_name(dev); 1317 link->platforms->name = dev_name(dev); 1318 link->dai_fmt = SND_SOC_DAIFMT_I2S; 1319 1320 *num_links = 1; 1321 1322 return link; 1323 }; 1324 1325 static int sun4i_codec_spk_event(struct snd_soc_dapm_widget *w, 1326 struct snd_kcontrol *k, int event) 1327 { 1328 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card); 1329 1330 gpiod_set_value_cansleep(scodec->gpio_pa, 1331 !!SND_SOC_DAPM_EVENT_ON(event)); 1332 1333 if (SND_SOC_DAPM_EVENT_ON(event)) { 1334 /* 1335 * Need a delay to wait for DAC to push the data. 700ms seems 1336 * to be the best compromise not to feel this delay while 1337 * playing a sound. 1338 */ 1339 msleep(700); 1340 } 1341 1342 return 0; 1343 } 1344 1345 static const struct snd_soc_dapm_widget sun4i_codec_card_dapm_widgets[] = { 1346 SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event), 1347 }; 1348 1349 static const struct snd_soc_dapm_route sun4i_codec_card_dapm_routes[] = { 1350 { "Speaker", NULL, "HP Right" }, 1351 { "Speaker", NULL, "HP Left" }, 1352 }; 1353 1354 static struct snd_soc_card *sun4i_codec_create_card(struct device *dev) 1355 { 1356 struct snd_soc_card *card; 1357 1358 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 1359 if (!card) 1360 return ERR_PTR(-ENOMEM); 1361 1362 card->dai_link = sun4i_codec_create_link(dev, &card->num_links); 1363 if (!card->dai_link) 1364 return ERR_PTR(-ENOMEM); 1365 1366 card->dev = dev; 1367 card->owner = THIS_MODULE; 1368 card->name = "sun4i-codec"; 1369 card->dapm_widgets = sun4i_codec_card_dapm_widgets; 1370 card->num_dapm_widgets = ARRAY_SIZE(sun4i_codec_card_dapm_widgets); 1371 card->dapm_routes = sun4i_codec_card_dapm_routes; 1372 card->num_dapm_routes = ARRAY_SIZE(sun4i_codec_card_dapm_routes); 1373 1374 return card; 1375 }; 1376 1377 static const struct snd_soc_dapm_widget sun6i_codec_card_dapm_widgets[] = { 1378 SND_SOC_DAPM_HP("Headphone", NULL), 1379 SND_SOC_DAPM_LINE("Line In", NULL), 1380 SND_SOC_DAPM_LINE("Line Out", NULL), 1381 SND_SOC_DAPM_MIC("Headset Mic", NULL), 1382 SND_SOC_DAPM_MIC("Mic", NULL), 1383 SND_SOC_DAPM_SPK("Speaker", sun4i_codec_spk_event), 1384 }; 1385 1386 static struct snd_soc_card *sun6i_codec_create_card(struct device *dev) 1387 { 1388 struct snd_soc_card *card; 1389 int ret; 1390 1391 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 1392 if (!card) 1393 return ERR_PTR(-ENOMEM); 1394 1395 card->dai_link = sun4i_codec_create_link(dev, &card->num_links); 1396 if (!card->dai_link) 1397 return ERR_PTR(-ENOMEM); 1398 1399 card->dev = dev; 1400 card->owner = THIS_MODULE; 1401 card->name = "A31 Audio Codec"; 1402 card->dapm_widgets = sun6i_codec_card_dapm_widgets; 1403 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets); 1404 card->fully_routed = true; 1405 1406 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing"); 1407 if (ret) 1408 dev_warn(dev, "failed to parse audio-routing: %d\n", ret); 1409 1410 return card; 1411 }; 1412 1413 /* Connect digital side enables to analog side widgets */ 1414 static const struct snd_soc_dapm_route sun8i_codec_card_routes[] = { 1415 /* ADC Routes */ 1416 { "Left ADC", NULL, "ADC Enable" }, 1417 { "Right ADC", NULL, "ADC Enable" }, 1418 { "Codec Capture", NULL, "Left ADC" }, 1419 { "Codec Capture", NULL, "Right ADC" }, 1420 1421 /* DAC Routes */ 1422 { "Left DAC", NULL, "DAC Enable" }, 1423 { "Right DAC", NULL, "DAC Enable" }, 1424 { "Left DAC", NULL, "Codec Playback" }, 1425 { "Right DAC", NULL, "Codec Playback" }, 1426 }; 1427 1428 static struct snd_soc_aux_dev aux_dev = { 1429 .dlc = COMP_EMPTY(), 1430 }; 1431 1432 static struct snd_soc_card *sun8i_a23_codec_create_card(struct device *dev) 1433 { 1434 struct snd_soc_card *card; 1435 int ret; 1436 1437 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 1438 if (!card) 1439 return ERR_PTR(-ENOMEM); 1440 1441 aux_dev.dlc.of_node = of_parse_phandle(dev->of_node, 1442 "allwinner,codec-analog-controls", 1443 0); 1444 if (!aux_dev.dlc.of_node) { 1445 dev_err(dev, "Can't find analog controls for codec.\n"); 1446 return ERR_PTR(-EINVAL); 1447 } 1448 1449 card->dai_link = sun4i_codec_create_link(dev, &card->num_links); 1450 if (!card->dai_link) 1451 return ERR_PTR(-ENOMEM); 1452 1453 card->dev = dev; 1454 card->owner = THIS_MODULE; 1455 card->name = "A23 Audio Codec"; 1456 card->dapm_widgets = sun6i_codec_card_dapm_widgets; 1457 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets); 1458 card->dapm_routes = sun8i_codec_card_routes; 1459 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes); 1460 card->aux_dev = &aux_dev; 1461 card->num_aux_devs = 1; 1462 card->fully_routed = true; 1463 1464 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing"); 1465 if (ret) 1466 dev_warn(dev, "failed to parse audio-routing: %d\n", ret); 1467 1468 return card; 1469 }; 1470 1471 static struct snd_soc_card *sun8i_h3_codec_create_card(struct device *dev) 1472 { 1473 struct snd_soc_card *card; 1474 int ret; 1475 1476 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 1477 if (!card) 1478 return ERR_PTR(-ENOMEM); 1479 1480 aux_dev.dlc.of_node = of_parse_phandle(dev->of_node, 1481 "allwinner,codec-analog-controls", 1482 0); 1483 if (!aux_dev.dlc.of_node) { 1484 dev_err(dev, "Can't find analog controls for codec.\n"); 1485 return ERR_PTR(-EINVAL); 1486 } 1487 1488 card->dai_link = sun4i_codec_create_link(dev, &card->num_links); 1489 if (!card->dai_link) 1490 return ERR_PTR(-ENOMEM); 1491 1492 card->dev = dev; 1493 card->owner = THIS_MODULE; 1494 card->name = "H3 Audio Codec"; 1495 card->dapm_widgets = sun6i_codec_card_dapm_widgets; 1496 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets); 1497 card->dapm_routes = sun8i_codec_card_routes; 1498 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes); 1499 card->aux_dev = &aux_dev; 1500 card->num_aux_devs = 1; 1501 card->fully_routed = true; 1502 1503 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing"); 1504 if (ret) 1505 dev_warn(dev, "failed to parse audio-routing: %d\n", ret); 1506 1507 return card; 1508 }; 1509 1510 static struct snd_soc_card *sun8i_v3s_codec_create_card(struct device *dev) 1511 { 1512 struct snd_soc_card *card; 1513 int ret; 1514 1515 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 1516 if (!card) 1517 return ERR_PTR(-ENOMEM); 1518 1519 aux_dev.dlc.of_node = of_parse_phandle(dev->of_node, 1520 "allwinner,codec-analog-controls", 1521 0); 1522 if (!aux_dev.dlc.of_node) { 1523 dev_err(dev, "Can't find analog controls for codec.\n"); 1524 return ERR_PTR(-EINVAL); 1525 } 1526 1527 card->dai_link = sun4i_codec_create_link(dev, &card->num_links); 1528 if (!card->dai_link) 1529 return ERR_PTR(-ENOMEM); 1530 1531 card->dev = dev; 1532 card->owner = THIS_MODULE; 1533 card->name = "V3s Audio Codec"; 1534 card->dapm_widgets = sun6i_codec_card_dapm_widgets; 1535 card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets); 1536 card->dapm_routes = sun8i_codec_card_routes; 1537 card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes); 1538 card->aux_dev = &aux_dev; 1539 card->num_aux_devs = 1; 1540 card->fully_routed = true; 1541 1542 ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing"); 1543 if (ret) 1544 dev_warn(dev, "failed to parse audio-routing: %d\n", ret); 1545 1546 return card; 1547 }; 1548 1549 static const struct regmap_config sun4i_codec_regmap_config = { 1550 .reg_bits = 32, 1551 .reg_stride = 4, 1552 .val_bits = 32, 1553 .max_register = SUN4I_CODEC_ADC_RXCNT, 1554 }; 1555 1556 static const struct regmap_config sun6i_codec_regmap_config = { 1557 .reg_bits = 32, 1558 .reg_stride = 4, 1559 .val_bits = 32, 1560 .max_register = SUN6I_CODEC_HMIC_DATA, 1561 }; 1562 1563 static const struct regmap_config sun7i_codec_regmap_config = { 1564 .reg_bits = 32, 1565 .reg_stride = 4, 1566 .val_bits = 32, 1567 .max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL, 1568 }; 1569 1570 static const struct regmap_config sun8i_a23_codec_regmap_config = { 1571 .reg_bits = 32, 1572 .reg_stride = 4, 1573 .val_bits = 32, 1574 .max_register = SUN8I_A23_CODEC_ADC_RXCNT, 1575 }; 1576 1577 static const struct regmap_config sun8i_h3_codec_regmap_config = { 1578 .reg_bits = 32, 1579 .reg_stride = 4, 1580 .val_bits = 32, 1581 .max_register = SUN8I_H3_CODEC_ADC_DBG, 1582 }; 1583 1584 static const struct regmap_config sun8i_v3s_codec_regmap_config = { 1585 .reg_bits = 32, 1586 .reg_stride = 4, 1587 .val_bits = 32, 1588 .max_register = SUN8I_H3_CODEC_ADC_DBG, 1589 }; 1590 1591 struct sun4i_codec_quirks { 1592 const struct regmap_config *regmap_config; 1593 const struct snd_soc_component_driver *codec; 1594 struct snd_soc_card * (*create_card)(struct device *dev); 1595 struct reg_field reg_adc_fifoc; /* used for regmap_field */ 1596 unsigned int reg_dac_txdata; /* TX FIFO offset for DMA config */ 1597 unsigned int reg_adc_rxdata; /* RX FIFO offset for DMA config */ 1598 bool has_reset; 1599 }; 1600 1601 static const struct sun4i_codec_quirks sun4i_codec_quirks = { 1602 .regmap_config = &sun4i_codec_regmap_config, 1603 .codec = &sun4i_codec_codec, 1604 .create_card = sun4i_codec_create_card, 1605 .reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31), 1606 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA, 1607 .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA, 1608 }; 1609 1610 static const struct sun4i_codec_quirks sun6i_a31_codec_quirks = { 1611 .regmap_config = &sun6i_codec_regmap_config, 1612 .codec = &sun6i_codec_codec, 1613 .create_card = sun6i_codec_create_card, 1614 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31), 1615 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA, 1616 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA, 1617 .has_reset = true, 1618 }; 1619 1620 static const struct sun4i_codec_quirks sun7i_codec_quirks = { 1621 .regmap_config = &sun7i_codec_regmap_config, 1622 .codec = &sun7i_codec_codec, 1623 .create_card = sun4i_codec_create_card, 1624 .reg_adc_fifoc = REG_FIELD(SUN4I_CODEC_ADC_FIFOC, 0, 31), 1625 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA, 1626 .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA, 1627 }; 1628 1629 static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = { 1630 .regmap_config = &sun8i_a23_codec_regmap_config, 1631 .codec = &sun8i_a23_codec_codec, 1632 .create_card = sun8i_a23_codec_create_card, 1633 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31), 1634 .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA, 1635 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA, 1636 .has_reset = true, 1637 }; 1638 1639 static const struct sun4i_codec_quirks sun8i_h3_codec_quirks = { 1640 .regmap_config = &sun8i_h3_codec_regmap_config, 1641 /* 1642 * TODO Share the codec structure with A23 for now. 1643 * This should be split out when adding digital audio 1644 * processing support for the H3. 1645 */ 1646 .codec = &sun8i_a23_codec_codec, 1647 .create_card = sun8i_h3_codec_create_card, 1648 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31), 1649 .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA, 1650 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA, 1651 .has_reset = true, 1652 }; 1653 1654 static const struct sun4i_codec_quirks sun8i_v3s_codec_quirks = { 1655 .regmap_config = &sun8i_v3s_codec_regmap_config, 1656 /* 1657 * TODO The codec structure should be split out, like 1658 * H3, when adding digital audio processing support. 1659 */ 1660 .codec = &sun8i_a23_codec_codec, 1661 .create_card = sun8i_v3s_codec_create_card, 1662 .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31), 1663 .reg_dac_txdata = SUN8I_H3_CODEC_DAC_TXDATA, 1664 .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA, 1665 .has_reset = true, 1666 }; 1667 1668 static const struct of_device_id sun4i_codec_of_match[] = { 1669 { 1670 .compatible = "allwinner,sun4i-a10-codec", 1671 .data = &sun4i_codec_quirks, 1672 }, 1673 { 1674 .compatible = "allwinner,sun6i-a31-codec", 1675 .data = &sun6i_a31_codec_quirks, 1676 }, 1677 { 1678 .compatible = "allwinner,sun7i-a20-codec", 1679 .data = &sun7i_codec_quirks, 1680 }, 1681 { 1682 .compatible = "allwinner,sun8i-a23-codec", 1683 .data = &sun8i_a23_codec_quirks, 1684 }, 1685 { 1686 .compatible = "allwinner,sun8i-h3-codec", 1687 .data = &sun8i_h3_codec_quirks, 1688 }, 1689 { 1690 .compatible = "allwinner,sun8i-v3s-codec", 1691 .data = &sun8i_v3s_codec_quirks, 1692 }, 1693 {} 1694 }; 1695 MODULE_DEVICE_TABLE(of, sun4i_codec_of_match); 1696 1697 static int sun4i_codec_probe(struct platform_device *pdev) 1698 { 1699 struct snd_soc_card *card; 1700 struct sun4i_codec *scodec; 1701 const struct sun4i_codec_quirks *quirks; 1702 struct resource *res; 1703 void __iomem *base; 1704 int ret; 1705 1706 scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL); 1707 if (!scodec) 1708 return -ENOMEM; 1709 1710 scodec->dev = &pdev->dev; 1711 1712 base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); 1713 if (IS_ERR(base)) 1714 return PTR_ERR(base); 1715 1716 quirks = of_device_get_match_data(&pdev->dev); 1717 if (quirks == NULL) { 1718 dev_err(&pdev->dev, "Failed to determine the quirks to use\n"); 1719 return -ENODEV; 1720 } 1721 1722 scodec->regmap = devm_regmap_init_mmio(&pdev->dev, base, 1723 quirks->regmap_config); 1724 if (IS_ERR(scodec->regmap)) { 1725 dev_err(&pdev->dev, "Failed to create our regmap\n"); 1726 return PTR_ERR(scodec->regmap); 1727 } 1728 1729 /* Get the clocks from the DT */ 1730 scodec->clk_apb = devm_clk_get(&pdev->dev, "apb"); 1731 if (IS_ERR(scodec->clk_apb)) { 1732 dev_err(&pdev->dev, "Failed to get the APB clock\n"); 1733 return PTR_ERR(scodec->clk_apb); 1734 } 1735 1736 scodec->clk_module = devm_clk_get(&pdev->dev, "codec"); 1737 if (IS_ERR(scodec->clk_module)) { 1738 dev_err(&pdev->dev, "Failed to get the module clock\n"); 1739 return PTR_ERR(scodec->clk_module); 1740 } 1741 1742 if (quirks->has_reset) { 1743 scodec->rst = devm_reset_control_get_exclusive(&pdev->dev, 1744 NULL); 1745 if (IS_ERR(scodec->rst)) { 1746 dev_err(&pdev->dev, "Failed to get reset control\n"); 1747 return PTR_ERR(scodec->rst); 1748 } 1749 } 1750 1751 scodec->gpio_pa = devm_gpiod_get_optional(&pdev->dev, "allwinner,pa", 1752 GPIOD_OUT_LOW); 1753 if (IS_ERR(scodec->gpio_pa)) { 1754 ret = PTR_ERR(scodec->gpio_pa); 1755 if (ret != -EPROBE_DEFER) 1756 dev_err(&pdev->dev, "Failed to get pa gpio: %d\n", ret); 1757 return ret; 1758 } 1759 1760 /* reg_field setup */ 1761 scodec->reg_adc_fifoc = devm_regmap_field_alloc(&pdev->dev, 1762 scodec->regmap, 1763 quirks->reg_adc_fifoc); 1764 if (IS_ERR(scodec->reg_adc_fifoc)) { 1765 ret = PTR_ERR(scodec->reg_adc_fifoc); 1766 dev_err(&pdev->dev, "Failed to create regmap fields: %d\n", 1767 ret); 1768 return ret; 1769 } 1770 1771 /* Enable the bus clock */ 1772 if (clk_prepare_enable(scodec->clk_apb)) { 1773 dev_err(&pdev->dev, "Failed to enable the APB clock\n"); 1774 return -EINVAL; 1775 } 1776 1777 /* Deassert the reset control */ 1778 if (scodec->rst) { 1779 ret = reset_control_deassert(scodec->rst); 1780 if (ret) { 1781 dev_err(&pdev->dev, 1782 "Failed to deassert the reset control\n"); 1783 goto err_clk_disable; 1784 } 1785 } 1786 1787 /* DMA configuration for TX FIFO */ 1788 scodec->playback_dma_data.addr = res->start + quirks->reg_dac_txdata; 1789 scodec->playback_dma_data.maxburst = 8; 1790 scodec->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; 1791 1792 /* DMA configuration for RX FIFO */ 1793 scodec->capture_dma_data.addr = res->start + quirks->reg_adc_rxdata; 1794 scodec->capture_dma_data.maxburst = 8; 1795 scodec->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; 1796 1797 ret = devm_snd_soc_register_component(&pdev->dev, quirks->codec, 1798 &sun4i_codec_dai, 1); 1799 if (ret) { 1800 dev_err(&pdev->dev, "Failed to register our codec\n"); 1801 goto err_assert_reset; 1802 } 1803 1804 ret = devm_snd_soc_register_component(&pdev->dev, 1805 &sun4i_codec_component, 1806 &dummy_cpu_dai, 1); 1807 if (ret) { 1808 dev_err(&pdev->dev, "Failed to register our DAI\n"); 1809 goto err_assert_reset; 1810 } 1811 1812 ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); 1813 if (ret) { 1814 dev_err(&pdev->dev, "Failed to register against DMAEngine\n"); 1815 goto err_assert_reset; 1816 } 1817 1818 card = quirks->create_card(&pdev->dev); 1819 if (IS_ERR(card)) { 1820 ret = PTR_ERR(card); 1821 dev_err(&pdev->dev, "Failed to create our card\n"); 1822 goto err_assert_reset; 1823 } 1824 1825 snd_soc_card_set_drvdata(card, scodec); 1826 1827 ret = snd_soc_register_card(card); 1828 if (ret) { 1829 dev_err(&pdev->dev, "Failed to register our card\n"); 1830 goto err_assert_reset; 1831 } 1832 1833 return 0; 1834 1835 err_assert_reset: 1836 if (scodec->rst) 1837 reset_control_assert(scodec->rst); 1838 err_clk_disable: 1839 clk_disable_unprepare(scodec->clk_apb); 1840 return ret; 1841 } 1842 1843 static int sun4i_codec_remove(struct platform_device *pdev) 1844 { 1845 struct snd_soc_card *card = platform_get_drvdata(pdev); 1846 struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card); 1847 1848 snd_soc_unregister_card(card); 1849 if (scodec->rst) 1850 reset_control_assert(scodec->rst); 1851 clk_disable_unprepare(scodec->clk_apb); 1852 1853 return 0; 1854 } 1855 1856 static struct platform_driver sun4i_codec_driver = { 1857 .driver = { 1858 .name = "sun4i-codec", 1859 .of_match_table = sun4i_codec_of_match, 1860 }, 1861 .probe = sun4i_codec_probe, 1862 .remove = sun4i_codec_remove, 1863 }; 1864 module_platform_driver(sun4i_codec_driver); 1865 1866 MODULE_DESCRIPTION("Allwinner A10 codec driver"); 1867 MODULE_AUTHOR("Emilio López <emilio@elopez.com.ar>"); 1868 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>"); 1869 MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>"); 1870 MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>"); 1871 MODULE_LICENSE("GPL"); 1872