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