1 /* 2 * wm8991.c -- WM8991 ALSA Soc Audio driver 3 * 4 * Copyright 2007-2010 Wolfson Microelectronics PLC. 5 * Author: Graeme Gregory 6 * Graeme.Gregory@wolfsonmicro.com 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 */ 13 14 #include <linux/module.h> 15 #include <linux/moduleparam.h> 16 #include <linux/kernel.h> 17 #include <linux/init.h> 18 #include <linux/delay.h> 19 #include <linux/pm.h> 20 #include <linux/i2c.h> 21 #include <linux/slab.h> 22 #include <sound/core.h> 23 #include <sound/pcm.h> 24 #include <sound/pcm_params.h> 25 #include <sound/soc.h> 26 #include <sound/soc-dapm.h> 27 #include <sound/initval.h> 28 #include <sound/tlv.h> 29 #include <asm/div64.h> 30 31 #include "wm8991.h" 32 33 struct wm8991_priv { 34 enum snd_soc_control_type control_type; 35 unsigned int pcmclk; 36 }; 37 38 static const u16 wm8991_reg_defs[] = { 39 0x8991, /* R0 - Reset */ 40 0x0000, /* R1 - Power Management (1) */ 41 0x6000, /* R2 - Power Management (2) */ 42 0x0000, /* R3 - Power Management (3) */ 43 0x4050, /* R4 - Audio Interface (1) */ 44 0x4000, /* R5 - Audio Interface (2) */ 45 0x01C8, /* R6 - Clocking (1) */ 46 0x0000, /* R7 - Clocking (2) */ 47 0x0040, /* R8 - Audio Interface (3) */ 48 0x0040, /* R9 - Audio Interface (4) */ 49 0x0004, /* R10 - DAC CTRL */ 50 0x00C0, /* R11 - Left DAC Digital Volume */ 51 0x00C0, /* R12 - Right DAC Digital Volume */ 52 0x0000, /* R13 - Digital Side Tone */ 53 0x0100, /* R14 - ADC CTRL */ 54 0x00C0, /* R15 - Left ADC Digital Volume */ 55 0x00C0, /* R16 - Right ADC Digital Volume */ 56 0x0000, /* R17 */ 57 0x0000, /* R18 - GPIO CTRL 1 */ 58 0x1000, /* R19 - GPIO1 & GPIO2 */ 59 0x1010, /* R20 - GPIO3 & GPIO4 */ 60 0x1010, /* R21 - GPIO5 & GPIO6 */ 61 0x8000, /* R22 - GPIOCTRL 2 */ 62 0x0800, /* R23 - GPIO_POL */ 63 0x008B, /* R24 - Left Line Input 1&2 Volume */ 64 0x008B, /* R25 - Left Line Input 3&4 Volume */ 65 0x008B, /* R26 - Right Line Input 1&2 Volume */ 66 0x008B, /* R27 - Right Line Input 3&4 Volume */ 67 0x0000, /* R28 - Left Output Volume */ 68 0x0000, /* R29 - Right Output Volume */ 69 0x0066, /* R30 - Line Outputs Volume */ 70 0x0022, /* R31 - Out3/4 Volume */ 71 0x0079, /* R32 - Left OPGA Volume */ 72 0x0079, /* R33 - Right OPGA Volume */ 73 0x0003, /* R34 - Speaker Volume */ 74 0x0003, /* R35 - ClassD1 */ 75 0x0000, /* R36 */ 76 0x0100, /* R37 - ClassD3 */ 77 0x0000, /* R38 */ 78 0x0000, /* R39 - Input Mixer1 */ 79 0x0000, /* R40 - Input Mixer2 */ 80 0x0000, /* R41 - Input Mixer3 */ 81 0x0000, /* R42 - Input Mixer4 */ 82 0x0000, /* R43 - Input Mixer5 */ 83 0x0000, /* R44 - Input Mixer6 */ 84 0x0000, /* R45 - Output Mixer1 */ 85 0x0000, /* R46 - Output Mixer2 */ 86 0x0000, /* R47 - Output Mixer3 */ 87 0x0000, /* R48 - Output Mixer4 */ 88 0x0000, /* R49 - Output Mixer5 */ 89 0x0000, /* R50 - Output Mixer6 */ 90 0x0180, /* R51 - Out3/4 Mixer */ 91 0x0000, /* R52 - Line Mixer1 */ 92 0x0000, /* R53 - Line Mixer2 */ 93 0x0000, /* R54 - Speaker Mixer */ 94 0x0000, /* R55 - Additional Control */ 95 0x0000, /* R56 - AntiPOP1 */ 96 0x0000, /* R57 - AntiPOP2 */ 97 0x0000, /* R58 - MICBIAS */ 98 0x0000, /* R59 */ 99 0x0008, /* R60 - PLL1 */ 100 0x0031, /* R61 - PLL2 */ 101 0x0026, /* R62 - PLL3 */ 102 }; 103 104 #define wm8991_reset(c) snd_soc_write(c, WM8991_RESET, 0) 105 106 static const unsigned int rec_mix_tlv[] = { 107 TLV_DB_RANGE_HEAD(1), 108 0, 7, TLV_DB_LINEAR_ITEM(-1500, 600), 109 }; 110 111 static const unsigned int in_pga_tlv[] = { 112 TLV_DB_RANGE_HEAD(1), 113 0, 0x1F, TLV_DB_LINEAR_ITEM(-1650, 3000), 114 }; 115 116 static const unsigned int out_mix_tlv[] = { 117 TLV_DB_RANGE_HEAD(1), 118 0, 7, TLV_DB_LINEAR_ITEM(0, -2100), 119 }; 120 121 static const unsigned int out_pga_tlv[] = { 122 TLV_DB_RANGE_HEAD(1), 123 0, 127, TLV_DB_LINEAR_ITEM(-7300, 600), 124 }; 125 126 static const unsigned int out_omix_tlv[] = { 127 TLV_DB_RANGE_HEAD(1), 128 0, 7, TLV_DB_LINEAR_ITEM(-600, 0), 129 }; 130 131 static const unsigned int out_dac_tlv[] = { 132 TLV_DB_RANGE_HEAD(1), 133 0, 255, TLV_DB_LINEAR_ITEM(-7163, 0), 134 }; 135 136 static const unsigned int in_adc_tlv[] = { 137 TLV_DB_RANGE_HEAD(1), 138 0, 255, TLV_DB_LINEAR_ITEM(-7163, 1763), 139 }; 140 141 static const unsigned int out_sidetone_tlv[] = { 142 TLV_DB_RANGE_HEAD(1), 143 0, 31, TLV_DB_LINEAR_ITEM(-3600, 0), 144 }; 145 146 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol, 147 struct snd_ctl_elem_value *ucontrol) 148 { 149 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 150 int reg = kcontrol->private_value & 0xff; 151 int ret; 152 u16 val; 153 154 ret = snd_soc_put_volsw(kcontrol, ucontrol); 155 if (ret < 0) 156 return ret; 157 158 /* now hit the volume update bits (always bit 8) */ 159 val = snd_soc_read(codec, reg); 160 return snd_soc_write(codec, reg, val | 0x0100); 161 } 162 163 static const char *wm8991_digital_sidetone[] = 164 {"None", "Left ADC", "Right ADC", "Reserved"}; 165 166 static const struct soc_enum wm8991_left_digital_sidetone_enum = 167 SOC_ENUM_SINGLE(WM8991_DIGITAL_SIDE_TONE, 168 WM8991_ADC_TO_DACL_SHIFT, 169 WM8991_ADC_TO_DACL_MASK, 170 wm8991_digital_sidetone); 171 172 static const struct soc_enum wm8991_right_digital_sidetone_enum = 173 SOC_ENUM_SINGLE(WM8991_DIGITAL_SIDE_TONE, 174 WM8991_ADC_TO_DACR_SHIFT, 175 WM8991_ADC_TO_DACR_MASK, 176 wm8991_digital_sidetone); 177 178 static const char *wm8991_adcmode[] = 179 {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"}; 180 181 static const struct soc_enum wm8991_right_adcmode_enum = 182 SOC_ENUM_SINGLE(WM8991_ADC_CTRL, 183 WM8991_ADC_HPF_CUT_SHIFT, 184 WM8991_ADC_HPF_CUT_MASK, 185 wm8991_adcmode); 186 187 static const struct snd_kcontrol_new wm8991_snd_controls[] = { 188 /* INMIXL */ 189 SOC_SINGLE("LIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L12MNBST_BIT, 1, 0), 190 SOC_SINGLE("LIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L34MNBST_BIT, 1, 0), 191 /* INMIXR */ 192 SOC_SINGLE("RIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R12MNBST_BIT, 1, 0), 193 SOC_SINGLE("RIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R34MNBST_BIT, 1, 0), 194 195 /* LOMIX */ 196 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER3, 197 WM8991_LLI3LOVOL_SHIFT, WM8991_LLI3LOVOL_MASK, 1, out_mix_tlv), 198 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3, 199 WM8991_LR12LOVOL_SHIFT, WM8991_LR12LOVOL_MASK, 1, out_mix_tlv), 200 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3, 201 WM8991_LL12LOVOL_SHIFT, WM8991_LL12LOVOL_MASK, 1, out_mix_tlv), 202 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER5, 203 WM8991_LRI3LOVOL_SHIFT, WM8991_LRI3LOVOL_MASK, 1, out_mix_tlv), 204 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER5, 205 WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv), 206 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER5, 207 WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv), 208 209 /* ROMIX */ 210 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER4, 211 WM8991_RRI3ROVOL_SHIFT, WM8991_RRI3ROVOL_MASK, 1, out_mix_tlv), 212 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4, 213 WM8991_RL12ROVOL_SHIFT, WM8991_RL12ROVOL_MASK, 1, out_mix_tlv), 214 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4, 215 WM8991_RR12ROVOL_SHIFT, WM8991_RR12ROVOL_MASK, 1, out_mix_tlv), 216 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER6, 217 WM8991_RLI3ROVOL_SHIFT, WM8991_RLI3ROVOL_MASK, 1, out_mix_tlv), 218 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER6, 219 WM8991_RLBROVOL_SHIFT, WM8991_RLBROVOL_MASK, 1, out_mix_tlv), 220 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER6, 221 WM8991_RRBROVOL_SHIFT, WM8991_RRBROVOL_MASK, 1, out_mix_tlv), 222 223 /* LOUT */ 224 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8991_LEFT_OUTPUT_VOLUME, 225 WM8991_LOUTVOL_SHIFT, WM8991_LOUTVOL_MASK, 0, out_pga_tlv), 226 SOC_SINGLE("LOUT ZC", WM8991_LEFT_OUTPUT_VOLUME, WM8991_LOZC_BIT, 1, 0), 227 228 /* ROUT */ 229 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8991_RIGHT_OUTPUT_VOLUME, 230 WM8991_ROUTVOL_SHIFT, WM8991_ROUTVOL_MASK, 0, out_pga_tlv), 231 SOC_SINGLE("ROUT ZC", WM8991_RIGHT_OUTPUT_VOLUME, WM8991_ROZC_BIT, 1, 0), 232 233 /* LOPGA */ 234 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8991_LEFT_OPGA_VOLUME, 235 WM8991_LOPGAVOL_SHIFT, WM8991_LOPGAVOL_MASK, 0, out_pga_tlv), 236 SOC_SINGLE("LOPGA ZC Switch", WM8991_LEFT_OPGA_VOLUME, 237 WM8991_LOPGAZC_BIT, 1, 0), 238 239 /* ROPGA */ 240 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8991_RIGHT_OPGA_VOLUME, 241 WM8991_ROPGAVOL_SHIFT, WM8991_ROPGAVOL_MASK, 0, out_pga_tlv), 242 SOC_SINGLE("ROPGA ZC Switch", WM8991_RIGHT_OPGA_VOLUME, 243 WM8991_ROPGAZC_BIT, 1, 0), 244 245 SOC_SINGLE("LON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME, 246 WM8991_LONMUTE_BIT, 1, 0), 247 SOC_SINGLE("LOP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME, 248 WM8991_LOPMUTE_BIT, 1, 0), 249 SOC_SINGLE("LOP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME, 250 WM8991_LOATTN_BIT, 1, 0), 251 SOC_SINGLE("RON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME, 252 WM8991_RONMUTE_BIT, 1, 0), 253 SOC_SINGLE("ROP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME, 254 WM8991_ROPMUTE_BIT, 1, 0), 255 SOC_SINGLE("ROP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME, 256 WM8991_ROATTN_BIT, 1, 0), 257 258 SOC_SINGLE("OUT3 Mute Switch", WM8991_OUT3_4_VOLUME, 259 WM8991_OUT3MUTE_BIT, 1, 0), 260 SOC_SINGLE("OUT3 Attenuation Switch", WM8991_OUT3_4_VOLUME, 261 WM8991_OUT3ATTN_BIT, 1, 0), 262 263 SOC_SINGLE("OUT4 Mute Switch", WM8991_OUT3_4_VOLUME, 264 WM8991_OUT4MUTE_BIT, 1, 0), 265 SOC_SINGLE("OUT4 Attenuation Switch", WM8991_OUT3_4_VOLUME, 266 WM8991_OUT4ATTN_BIT, 1, 0), 267 268 SOC_SINGLE("Speaker Mode Switch", WM8991_CLASSD1, 269 WM8991_CDMODE_BIT, 1, 0), 270 271 SOC_SINGLE("Speaker Output Attenuation Volume", WM8991_SPEAKER_VOLUME, 272 WM8991_SPKVOL_SHIFT, WM8991_SPKVOL_MASK, 0), 273 SOC_SINGLE("Speaker DC Boost Volume", WM8991_CLASSD3, 274 WM8991_DCGAIN_SHIFT, WM8991_DCGAIN_MASK, 0), 275 SOC_SINGLE("Speaker AC Boost Volume", WM8991_CLASSD3, 276 WM8991_ACGAIN_SHIFT, WM8991_ACGAIN_MASK, 0), 277 278 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume", 279 WM8991_LEFT_DAC_DIGITAL_VOLUME, 280 WM8991_DACL_VOL_SHIFT, 281 WM8991_DACL_VOL_MASK, 282 0, 283 out_dac_tlv), 284 285 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume", 286 WM8991_RIGHT_DAC_DIGITAL_VOLUME, 287 WM8991_DACR_VOL_SHIFT, 288 WM8991_DACR_VOL_MASK, 289 0, 290 out_dac_tlv), 291 292 SOC_ENUM("Left Digital Sidetone", wm8991_left_digital_sidetone_enum), 293 SOC_ENUM("Right Digital Sidetone", wm8991_right_digital_sidetone_enum), 294 295 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE, 296 WM8991_ADCL_DAC_SVOL_SHIFT, WM8991_ADCL_DAC_SVOL_MASK, 0, 297 out_sidetone_tlv), 298 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE, 299 WM8991_ADCR_DAC_SVOL_SHIFT, WM8991_ADCR_DAC_SVOL_MASK, 0, 300 out_sidetone_tlv), 301 302 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8991_ADC_CTRL, 303 WM8991_ADC_HPF_ENA_BIT, 1, 0), 304 305 SOC_ENUM("ADC HPF Mode", wm8991_right_adcmode_enum), 306 307 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume", 308 WM8991_LEFT_ADC_DIGITAL_VOLUME, 309 WM8991_ADCL_VOL_SHIFT, 310 WM8991_ADCL_VOL_MASK, 311 0, 312 in_adc_tlv), 313 314 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume", 315 WM8991_RIGHT_ADC_DIGITAL_VOLUME, 316 WM8991_ADCR_VOL_SHIFT, 317 WM8991_ADCR_VOL_MASK, 318 0, 319 in_adc_tlv), 320 321 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume", 322 WM8991_LEFT_LINE_INPUT_1_2_VOLUME, 323 WM8991_LIN12VOL_SHIFT, 324 WM8991_LIN12VOL_MASK, 325 0, 326 in_pga_tlv), 327 328 SOC_SINGLE("LIN12 ZC Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME, 329 WM8991_LI12ZC_BIT, 1, 0), 330 331 SOC_SINGLE("LIN12 Mute Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME, 332 WM8991_LI12MUTE_BIT, 1, 0), 333 334 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume", 335 WM8991_LEFT_LINE_INPUT_3_4_VOLUME, 336 WM8991_LIN34VOL_SHIFT, 337 WM8991_LIN34VOL_MASK, 338 0, 339 in_pga_tlv), 340 341 SOC_SINGLE("LIN34 ZC Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME, 342 WM8991_LI34ZC_BIT, 1, 0), 343 344 SOC_SINGLE("LIN34 Mute Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME, 345 WM8991_LI34MUTE_BIT, 1, 0), 346 347 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume", 348 WM8991_RIGHT_LINE_INPUT_1_2_VOLUME, 349 WM8991_RIN12VOL_SHIFT, 350 WM8991_RIN12VOL_MASK, 351 0, 352 in_pga_tlv), 353 354 SOC_SINGLE("RIN12 ZC Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME, 355 WM8991_RI12ZC_BIT, 1, 0), 356 357 SOC_SINGLE("RIN12 Mute Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME, 358 WM8991_RI12MUTE_BIT, 1, 0), 359 360 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume", 361 WM8991_RIGHT_LINE_INPUT_3_4_VOLUME, 362 WM8991_RIN34VOL_SHIFT, 363 WM8991_RIN34VOL_MASK, 364 0, 365 in_pga_tlv), 366 367 SOC_SINGLE("RIN34 ZC Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME, 368 WM8991_RI34ZC_BIT, 1, 0), 369 370 SOC_SINGLE("RIN34 Mute Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME, 371 WM8991_RI34MUTE_BIT, 1, 0), 372 }; 373 374 /* 375 * _DAPM_ Controls 376 */ 377 static int inmixer_event(struct snd_soc_dapm_widget *w, 378 struct snd_kcontrol *kcontrol, int event) 379 { 380 u16 reg, fakepower; 381 382 reg = snd_soc_read(w->codec, WM8991_POWER_MANAGEMENT_2); 383 fakepower = snd_soc_read(w->codec, WM8991_INTDRIVBITS); 384 385 if (fakepower & ((1 << WM8991_INMIXL_PWR_BIT) | 386 (1 << WM8991_AINLMUX_PWR_BIT))) 387 reg |= WM8991_AINL_ENA; 388 else 389 reg &= ~WM8991_AINL_ENA; 390 391 if (fakepower & ((1 << WM8991_INMIXR_PWR_BIT) | 392 (1 << WM8991_AINRMUX_PWR_BIT))) 393 reg |= WM8991_AINR_ENA; 394 else 395 reg &= ~WM8991_AINR_ENA; 396 397 snd_soc_write(w->codec, WM8991_POWER_MANAGEMENT_2, reg); 398 return 0; 399 } 400 401 static int outmixer_event(struct snd_soc_dapm_widget *w, 402 struct snd_kcontrol *kcontrol, int event) 403 { 404 u32 reg_shift = kcontrol->private_value & 0xfff; 405 int ret = 0; 406 u16 reg; 407 408 switch (reg_shift) { 409 case WM8991_SPEAKER_MIXER | (WM8991_LDSPK_BIT << 8): 410 reg = snd_soc_read(w->codec, WM8991_OUTPUT_MIXER1); 411 if (reg & WM8991_LDLO) { 412 printk(KERN_WARNING 413 "Cannot set as Output Mixer 1 LDLO Set\n"); 414 ret = -1; 415 } 416 break; 417 418 case WM8991_SPEAKER_MIXER | (WM8991_RDSPK_BIT << 8): 419 reg = snd_soc_read(w->codec, WM8991_OUTPUT_MIXER2); 420 if (reg & WM8991_RDRO) { 421 printk(KERN_WARNING 422 "Cannot set as Output Mixer 2 RDRO Set\n"); 423 ret = -1; 424 } 425 break; 426 427 case WM8991_OUTPUT_MIXER1 | (WM8991_LDLO_BIT << 8): 428 reg = snd_soc_read(w->codec, WM8991_SPEAKER_MIXER); 429 if (reg & WM8991_LDSPK) { 430 printk(KERN_WARNING 431 "Cannot set as Speaker Mixer LDSPK Set\n"); 432 ret = -1; 433 } 434 break; 435 436 case WM8991_OUTPUT_MIXER2 | (WM8991_RDRO_BIT << 8): 437 reg = snd_soc_read(w->codec, WM8991_SPEAKER_MIXER); 438 if (reg & WM8991_RDSPK) { 439 printk(KERN_WARNING 440 "Cannot set as Speaker Mixer RDSPK Set\n"); 441 ret = -1; 442 } 443 break; 444 } 445 446 return ret; 447 } 448 449 /* INMIX dB values */ 450 static const unsigned int in_mix_tlv[] = { 451 TLV_DB_RANGE_HEAD(1), 452 0, 7, TLV_DB_LINEAR_ITEM(-1200, 600), 453 }; 454 455 /* Left In PGA Connections */ 456 static const struct snd_kcontrol_new wm8991_dapm_lin12_pga_controls[] = { 457 SOC_DAPM_SINGLE("LIN1 Switch", WM8991_INPUT_MIXER2, WM8991_LMN1_BIT, 1, 0), 458 SOC_DAPM_SINGLE("LIN2 Switch", WM8991_INPUT_MIXER2, WM8991_LMP2_BIT, 1, 0), 459 }; 460 461 static const struct snd_kcontrol_new wm8991_dapm_lin34_pga_controls[] = { 462 SOC_DAPM_SINGLE("LIN3 Switch", WM8991_INPUT_MIXER2, WM8991_LMN3_BIT, 1, 0), 463 SOC_DAPM_SINGLE("LIN4 Switch", WM8991_INPUT_MIXER2, WM8991_LMP4_BIT, 1, 0), 464 }; 465 466 /* Right In PGA Connections */ 467 static const struct snd_kcontrol_new wm8991_dapm_rin12_pga_controls[] = { 468 SOC_DAPM_SINGLE("RIN1 Switch", WM8991_INPUT_MIXER2, WM8991_RMN1_BIT, 1, 0), 469 SOC_DAPM_SINGLE("RIN2 Switch", WM8991_INPUT_MIXER2, WM8991_RMP2_BIT, 1, 0), 470 }; 471 472 static const struct snd_kcontrol_new wm8991_dapm_rin34_pga_controls[] = { 473 SOC_DAPM_SINGLE("RIN3 Switch", WM8991_INPUT_MIXER2, WM8991_RMN3_BIT, 1, 0), 474 SOC_DAPM_SINGLE("RIN4 Switch", WM8991_INPUT_MIXER2, WM8991_RMP4_BIT, 1, 0), 475 }; 476 477 /* INMIXL */ 478 static const struct snd_kcontrol_new wm8991_dapm_inmixl_controls[] = { 479 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8991_INPUT_MIXER3, 480 WM8991_LDBVOL_SHIFT, WM8991_LDBVOL_MASK, 0, in_mix_tlv), 481 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8991_INPUT_MIXER5, WM8991_LI2BVOL_SHIFT, 482 7, 0, in_mix_tlv), 483 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT, 484 1, 0), 485 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT, 486 1, 0), 487 }; 488 489 /* INMIXR */ 490 static const struct snd_kcontrol_new wm8991_dapm_inmixr_controls[] = { 491 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8991_INPUT_MIXER4, 492 WM8991_RDBVOL_SHIFT, WM8991_RDBVOL_MASK, 0, in_mix_tlv), 493 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8991_INPUT_MIXER6, WM8991_RI2BVOL_SHIFT, 494 7, 0, in_mix_tlv), 495 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT, 496 1, 0), 497 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT, 498 1, 0), 499 }; 500 501 /* AINLMUX */ 502 static const char *wm8991_ainlmux[] = 503 {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"}; 504 505 static const struct soc_enum wm8991_ainlmux_enum = 506 SOC_ENUM_SINGLE(WM8991_INPUT_MIXER1, WM8991_AINLMODE_SHIFT, 507 ARRAY_SIZE(wm8991_ainlmux), wm8991_ainlmux); 508 509 static const struct snd_kcontrol_new wm8991_dapm_ainlmux_controls = 510 SOC_DAPM_ENUM("Route", wm8991_ainlmux_enum); 511 512 /* DIFFINL */ 513 514 /* AINRMUX */ 515 static const char *wm8991_ainrmux[] = 516 {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"}; 517 518 static const struct soc_enum wm8991_ainrmux_enum = 519 SOC_ENUM_SINGLE(WM8991_INPUT_MIXER1, WM8991_AINRMODE_SHIFT, 520 ARRAY_SIZE(wm8991_ainrmux), wm8991_ainrmux); 521 522 static const struct snd_kcontrol_new wm8991_dapm_ainrmux_controls = 523 SOC_DAPM_ENUM("Route", wm8991_ainrmux_enum); 524 525 /* RXVOICE */ 526 static const struct snd_kcontrol_new wm8991_dapm_rxvoice_controls[] = { 527 SOC_DAPM_SINGLE_TLV("LIN4RXN", WM8991_INPUT_MIXER5, WM8991_LR4BVOL_SHIFT, 528 WM8991_LR4BVOL_MASK, 0, in_mix_tlv), 529 SOC_DAPM_SINGLE_TLV("RIN4RXP", WM8991_INPUT_MIXER6, WM8991_RL4BVOL_SHIFT, 530 WM8991_RL4BVOL_MASK, 0, in_mix_tlv), 531 }; 532 533 /* LOMIX */ 534 static const struct snd_kcontrol_new wm8991_dapm_lomix_controls[] = { 535 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER1, 536 WM8991_LRBLO_BIT, 1, 0), 537 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER1, 538 WM8991_LLBLO_BIT, 1, 0), 539 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER1, 540 WM8991_LRI3LO_BIT, 1, 0), 541 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER1, 542 WM8991_LLI3LO_BIT, 1, 0), 543 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1, 544 WM8991_LR12LO_BIT, 1, 0), 545 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1, 546 WM8991_LL12LO_BIT, 1, 0), 547 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8991_OUTPUT_MIXER1, 548 WM8991_LDLO_BIT, 1, 0), 549 }; 550 551 /* ROMIX */ 552 static const struct snd_kcontrol_new wm8991_dapm_romix_controls[] = { 553 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER2, 554 WM8991_RLBRO_BIT, 1, 0), 555 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER2, 556 WM8991_RRBRO_BIT, 1, 0), 557 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER2, 558 WM8991_RLI3RO_BIT, 1, 0), 559 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER2, 560 WM8991_RRI3RO_BIT, 1, 0), 561 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2, 562 WM8991_RL12RO_BIT, 1, 0), 563 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2, 564 WM8991_RR12RO_BIT, 1, 0), 565 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8991_OUTPUT_MIXER2, 566 WM8991_RDRO_BIT, 1, 0), 567 }; 568 569 /* LONMIX */ 570 static const struct snd_kcontrol_new wm8991_dapm_lonmix_controls[] = { 571 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1, 572 WM8991_LLOPGALON_BIT, 1, 0), 573 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER1, 574 WM8991_LROPGALON_BIT, 1, 0), 575 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8991_LINE_MIXER1, 576 WM8991_LOPLON_BIT, 1, 0), 577 }; 578 579 /* LOPMIX */ 580 static const struct snd_kcontrol_new wm8991_dapm_lopmix_controls[] = { 581 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER1, 582 WM8991_LR12LOP_BIT, 1, 0), 583 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER1, 584 WM8991_LL12LOP_BIT, 1, 0), 585 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1, 586 WM8991_LLOPGALOP_BIT, 1, 0), 587 }; 588 589 /* RONMIX */ 590 static const struct snd_kcontrol_new wm8991_dapm_ronmix_controls[] = { 591 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2, 592 WM8991_RROPGARON_BIT, 1, 0), 593 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER2, 594 WM8991_RLOPGARON_BIT, 1, 0), 595 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8991_LINE_MIXER2, 596 WM8991_ROPRON_BIT, 1, 0), 597 }; 598 599 /* ROPMIX */ 600 static const struct snd_kcontrol_new wm8991_dapm_ropmix_controls[] = { 601 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER2, 602 WM8991_RL12ROP_BIT, 1, 0), 603 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER2, 604 WM8991_RR12ROP_BIT, 1, 0), 605 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2, 606 WM8991_RROPGAROP_BIT, 1, 0), 607 }; 608 609 /* OUT3MIX */ 610 static const struct snd_kcontrol_new wm8991_dapm_out3mix_controls[] = { 611 SOC_DAPM_SINGLE("OUT3MIX LIN4RXN Bypass Switch", WM8991_OUT3_4_MIXER, 612 WM8991_LI4O3_BIT, 1, 0), 613 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8991_OUT3_4_MIXER, 614 WM8991_LPGAO3_BIT, 1, 0), 615 }; 616 617 /* OUT4MIX */ 618 static const struct snd_kcontrol_new wm8991_dapm_out4mix_controls[] = { 619 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8991_OUT3_4_MIXER, 620 WM8991_RPGAO4_BIT, 1, 0), 621 SOC_DAPM_SINGLE("OUT4MIX RIN4RXP Bypass Switch", WM8991_OUT3_4_MIXER, 622 WM8991_RI4O4_BIT, 1, 0), 623 }; 624 625 /* SPKMIX */ 626 static const struct snd_kcontrol_new wm8991_dapm_spkmix_controls[] = { 627 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8991_SPEAKER_MIXER, 628 WM8991_LI2SPK_BIT, 1, 0), 629 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8991_SPEAKER_MIXER, 630 WM8991_LB2SPK_BIT, 1, 0), 631 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8991_SPEAKER_MIXER, 632 WM8991_LOPGASPK_BIT, 1, 0), 633 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8991_SPEAKER_MIXER, 634 WM8991_LDSPK_BIT, 1, 0), 635 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8991_SPEAKER_MIXER, 636 WM8991_RDSPK_BIT, 1, 0), 637 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8991_SPEAKER_MIXER, 638 WM8991_ROPGASPK_BIT, 1, 0), 639 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8991_SPEAKER_MIXER, 640 WM8991_RL12ROP_BIT, 1, 0), 641 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8991_SPEAKER_MIXER, 642 WM8991_RI2SPK_BIT, 1, 0), 643 }; 644 645 static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = { 646 /* Input Side */ 647 /* Input Lines */ 648 SND_SOC_DAPM_INPUT("LIN1"), 649 SND_SOC_DAPM_INPUT("LIN2"), 650 SND_SOC_DAPM_INPUT("LIN3"), 651 SND_SOC_DAPM_INPUT("LIN4RXN"), 652 SND_SOC_DAPM_INPUT("RIN3"), 653 SND_SOC_DAPM_INPUT("RIN4RXP"), 654 SND_SOC_DAPM_INPUT("RIN1"), 655 SND_SOC_DAPM_INPUT("RIN2"), 656 SND_SOC_DAPM_INPUT("Internal ADC Source"), 657 658 /* DACs */ 659 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8991_POWER_MANAGEMENT_2, 660 WM8991_ADCL_ENA_BIT, 0), 661 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8991_POWER_MANAGEMENT_2, 662 WM8991_ADCR_ENA_BIT, 0), 663 664 /* Input PGAs */ 665 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN12_ENA_BIT, 666 0, &wm8991_dapm_lin12_pga_controls[0], 667 ARRAY_SIZE(wm8991_dapm_lin12_pga_controls)), 668 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN34_ENA_BIT, 669 0, &wm8991_dapm_lin34_pga_controls[0], 670 ARRAY_SIZE(wm8991_dapm_lin34_pga_controls)), 671 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN12_ENA_BIT, 672 0, &wm8991_dapm_rin12_pga_controls[0], 673 ARRAY_SIZE(wm8991_dapm_rin12_pga_controls)), 674 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN34_ENA_BIT, 675 0, &wm8991_dapm_rin34_pga_controls[0], 676 ARRAY_SIZE(wm8991_dapm_rin34_pga_controls)), 677 678 /* INMIXL */ 679 SND_SOC_DAPM_MIXER_E("INMIXL", WM8991_INTDRIVBITS, WM8991_INMIXL_PWR_BIT, 0, 680 &wm8991_dapm_inmixl_controls[0], 681 ARRAY_SIZE(wm8991_dapm_inmixl_controls), 682 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 683 684 /* AINLMUX */ 685 SND_SOC_DAPM_MUX_E("AINLMUX", WM8991_INTDRIVBITS, WM8991_AINLMUX_PWR_BIT, 0, 686 &wm8991_dapm_ainlmux_controls, inmixer_event, 687 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 688 689 /* INMIXR */ 690 SND_SOC_DAPM_MIXER_E("INMIXR", WM8991_INTDRIVBITS, WM8991_INMIXR_PWR_BIT, 0, 691 &wm8991_dapm_inmixr_controls[0], 692 ARRAY_SIZE(wm8991_dapm_inmixr_controls), 693 inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 694 695 /* AINRMUX */ 696 SND_SOC_DAPM_MUX_E("AINRMUX", WM8991_INTDRIVBITS, WM8991_AINRMUX_PWR_BIT, 0, 697 &wm8991_dapm_ainrmux_controls, inmixer_event, 698 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), 699 700 /* Output Side */ 701 /* DACs */ 702 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8991_POWER_MANAGEMENT_3, 703 WM8991_DACL_ENA_BIT, 0), 704 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8991_POWER_MANAGEMENT_3, 705 WM8991_DACR_ENA_BIT, 0), 706 707 /* LOMIX */ 708 SND_SOC_DAPM_MIXER_E("LOMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOMIX_ENA_BIT, 709 0, &wm8991_dapm_lomix_controls[0], 710 ARRAY_SIZE(wm8991_dapm_lomix_controls), 711 outmixer_event, SND_SOC_DAPM_PRE_REG), 712 713 /* LONMIX */ 714 SND_SOC_DAPM_MIXER("LONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LON_ENA_BIT, 0, 715 &wm8991_dapm_lonmix_controls[0], 716 ARRAY_SIZE(wm8991_dapm_lonmix_controls)), 717 718 /* LOPMIX */ 719 SND_SOC_DAPM_MIXER("LOPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOP_ENA_BIT, 0, 720 &wm8991_dapm_lopmix_controls[0], 721 ARRAY_SIZE(wm8991_dapm_lopmix_controls)), 722 723 /* OUT3MIX */ 724 SND_SOC_DAPM_MIXER("OUT3MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT3_ENA_BIT, 0, 725 &wm8991_dapm_out3mix_controls[0], 726 ARRAY_SIZE(wm8991_dapm_out3mix_controls)), 727 728 /* SPKMIX */ 729 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8991_POWER_MANAGEMENT_1, WM8991_SPK_ENA_BIT, 0, 730 &wm8991_dapm_spkmix_controls[0], 731 ARRAY_SIZE(wm8991_dapm_spkmix_controls), outmixer_event, 732 SND_SOC_DAPM_PRE_REG), 733 734 /* OUT4MIX */ 735 SND_SOC_DAPM_MIXER("OUT4MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT4_ENA_BIT, 0, 736 &wm8991_dapm_out4mix_controls[0], 737 ARRAY_SIZE(wm8991_dapm_out4mix_controls)), 738 739 /* ROPMIX */ 740 SND_SOC_DAPM_MIXER("ROPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROP_ENA_BIT, 0, 741 &wm8991_dapm_ropmix_controls[0], 742 ARRAY_SIZE(wm8991_dapm_ropmix_controls)), 743 744 /* RONMIX */ 745 SND_SOC_DAPM_MIXER("RONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_RON_ENA_BIT, 0, 746 &wm8991_dapm_ronmix_controls[0], 747 ARRAY_SIZE(wm8991_dapm_ronmix_controls)), 748 749 /* ROMIX */ 750 SND_SOC_DAPM_MIXER_E("ROMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROMIX_ENA_BIT, 751 0, &wm8991_dapm_romix_controls[0], 752 ARRAY_SIZE(wm8991_dapm_romix_controls), 753 outmixer_event, SND_SOC_DAPM_PRE_REG), 754 755 /* LOUT PGA */ 756 SND_SOC_DAPM_PGA("LOUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_LOUT_ENA_BIT, 0, 757 NULL, 0), 758 759 /* ROUT PGA */ 760 SND_SOC_DAPM_PGA("ROUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_ROUT_ENA_BIT, 0, 761 NULL, 0), 762 763 /* LOPGA */ 764 SND_SOC_DAPM_PGA("LOPGA", WM8991_POWER_MANAGEMENT_3, WM8991_LOPGA_ENA_BIT, 0, 765 NULL, 0), 766 767 /* ROPGA */ 768 SND_SOC_DAPM_PGA("ROPGA", WM8991_POWER_MANAGEMENT_3, WM8991_ROPGA_ENA_BIT, 0, 769 NULL, 0), 770 771 /* MICBIAS */ 772 SND_SOC_DAPM_SUPPLY("MICBIAS", WM8991_POWER_MANAGEMENT_1, 773 WM8991_MICBIAS_ENA_BIT, 0, NULL, 0), 774 775 SND_SOC_DAPM_OUTPUT("LON"), 776 SND_SOC_DAPM_OUTPUT("LOP"), 777 SND_SOC_DAPM_OUTPUT("OUT3"), 778 SND_SOC_DAPM_OUTPUT("LOUT"), 779 SND_SOC_DAPM_OUTPUT("SPKN"), 780 SND_SOC_DAPM_OUTPUT("SPKP"), 781 SND_SOC_DAPM_OUTPUT("ROUT"), 782 SND_SOC_DAPM_OUTPUT("OUT4"), 783 SND_SOC_DAPM_OUTPUT("ROP"), 784 SND_SOC_DAPM_OUTPUT("RON"), 785 SND_SOC_DAPM_OUTPUT("OUT"), 786 787 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"), 788 }; 789 790 static const struct snd_soc_dapm_route audio_map[] = { 791 /* Make DACs turn on when playing even if not mixed into any outputs */ 792 {"Internal DAC Sink", NULL, "Left DAC"}, 793 {"Internal DAC Sink", NULL, "Right DAC"}, 794 795 /* Make ADCs turn on when recording even if not mixed from any inputs */ 796 {"Left ADC", NULL, "Internal ADC Source"}, 797 {"Right ADC", NULL, "Internal ADC Source"}, 798 799 /* Input Side */ 800 /* LIN12 PGA */ 801 {"LIN12 PGA", "LIN1 Switch", "LIN1"}, 802 {"LIN12 PGA", "LIN2 Switch", "LIN2"}, 803 /* LIN34 PGA */ 804 {"LIN34 PGA", "LIN3 Switch", "LIN3"}, 805 {"LIN34 PGA", "LIN4 Switch", "LIN4RXN"}, 806 /* INMIXL */ 807 {"INMIXL", "Record Left Volume", "LOMIX"}, 808 {"INMIXL", "LIN2 Volume", "LIN2"}, 809 {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"}, 810 {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"}, 811 /* AINLMUX */ 812 {"AINLMUX", "INMIXL Mix", "INMIXL"}, 813 {"AINLMUX", "DIFFINL Mix", "LIN12 PGA"}, 814 {"AINLMUX", "DIFFINL Mix", "LIN34 PGA"}, 815 {"AINLMUX", "RXVOICE Mix", "LIN4RXN"}, 816 {"AINLMUX", "RXVOICE Mix", "RIN4RXP"}, 817 /* ADC */ 818 {"Left ADC", NULL, "AINLMUX"}, 819 820 /* RIN12 PGA */ 821 {"RIN12 PGA", "RIN1 Switch", "RIN1"}, 822 {"RIN12 PGA", "RIN2 Switch", "RIN2"}, 823 /* RIN34 PGA */ 824 {"RIN34 PGA", "RIN3 Switch", "RIN3"}, 825 {"RIN34 PGA", "RIN4 Switch", "RIN4RXP"}, 826 /* INMIXL */ 827 {"INMIXR", "Record Right Volume", "ROMIX"}, 828 {"INMIXR", "RIN2 Volume", "RIN2"}, 829 {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"}, 830 {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"}, 831 /* AINRMUX */ 832 {"AINRMUX", "INMIXR Mix", "INMIXR"}, 833 {"AINRMUX", "DIFFINR Mix", "RIN12 PGA"}, 834 {"AINRMUX", "DIFFINR Mix", "RIN34 PGA"}, 835 {"AINRMUX", "RXVOICE Mix", "LIN4RXN"}, 836 {"AINRMUX", "RXVOICE Mix", "RIN4RXP"}, 837 /* ADC */ 838 {"Right ADC", NULL, "AINRMUX"}, 839 840 /* LOMIX */ 841 {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"}, 842 {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"}, 843 {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"}, 844 {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"}, 845 {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"}, 846 {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"}, 847 {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"}, 848 849 /* ROMIX */ 850 {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"}, 851 {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"}, 852 {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"}, 853 {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"}, 854 {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"}, 855 {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"}, 856 {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"}, 857 858 /* SPKMIX */ 859 {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"}, 860 {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"}, 861 {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"}, 862 {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"}, 863 {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"}, 864 {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"}, 865 {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"}, 866 {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"}, 867 868 /* LONMIX */ 869 {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"}, 870 {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"}, 871 {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"}, 872 873 /* LOPMIX */ 874 {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"}, 875 {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"}, 876 {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"}, 877 878 /* OUT3MIX */ 879 {"OUT3MIX", "OUT3MIX LIN4RXN Bypass Switch", "LIN4RXN"}, 880 {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"}, 881 882 /* OUT4MIX */ 883 {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"}, 884 {"OUT4MIX", "OUT4MIX RIN4RXP Bypass Switch", "RIN4RXP"}, 885 886 /* RONMIX */ 887 {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"}, 888 {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"}, 889 {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"}, 890 891 /* ROPMIX */ 892 {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"}, 893 {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"}, 894 {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"}, 895 896 /* Out Mixer PGAs */ 897 {"LOPGA", NULL, "LOMIX"}, 898 {"ROPGA", NULL, "ROMIX"}, 899 900 {"LOUT PGA", NULL, "LOMIX"}, 901 {"ROUT PGA", NULL, "ROMIX"}, 902 903 /* Output Pins */ 904 {"LON", NULL, "LONMIX"}, 905 {"LOP", NULL, "LOPMIX"}, 906 {"OUT", NULL, "OUT3MIX"}, 907 {"LOUT", NULL, "LOUT PGA"}, 908 {"SPKN", NULL, "SPKMIX"}, 909 {"ROUT", NULL, "ROUT PGA"}, 910 {"OUT4", NULL, "OUT4MIX"}, 911 {"ROP", NULL, "ROPMIX"}, 912 {"RON", NULL, "RONMIX"}, 913 }; 914 915 /* PLL divisors */ 916 struct _pll_div { 917 u32 div2; 918 u32 n; 919 u32 k; 920 }; 921 922 /* The size in bits of the pll divide multiplied by 10 923 * to allow rounding later */ 924 #define FIXED_PLL_SIZE ((1 << 16) * 10) 925 926 static void pll_factors(struct _pll_div *pll_div, unsigned int target, 927 unsigned int source) 928 { 929 u64 Kpart; 930 unsigned int K, Ndiv, Nmod; 931 932 933 Ndiv = target / source; 934 if (Ndiv < 6) { 935 source >>= 1; 936 pll_div->div2 = 1; 937 Ndiv = target / source; 938 } else 939 pll_div->div2 = 0; 940 941 if ((Ndiv < 6) || (Ndiv > 12)) 942 printk(KERN_WARNING 943 "WM8991 N value outwith recommended range! N = %d\n", Ndiv); 944 945 pll_div->n = Ndiv; 946 Nmod = target % source; 947 Kpart = FIXED_PLL_SIZE * (long long)Nmod; 948 949 do_div(Kpart, source); 950 951 K = Kpart & 0xFFFFFFFF; 952 953 /* Check if we need to round */ 954 if ((K % 10) >= 5) 955 K += 5; 956 957 /* Move down to proper range now rounding is done */ 958 K /= 10; 959 960 pll_div->k = K; 961 } 962 963 static int wm8991_set_dai_pll(struct snd_soc_dai *codec_dai, 964 int pll_id, int src, unsigned int freq_in, unsigned int freq_out) 965 { 966 u16 reg; 967 struct snd_soc_codec *codec = codec_dai->codec; 968 struct _pll_div pll_div; 969 970 if (freq_in && freq_out) { 971 pll_factors(&pll_div, freq_out * 4, freq_in); 972 973 /* Turn on PLL */ 974 reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_2); 975 reg |= WM8991_PLL_ENA; 976 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_2, reg); 977 978 /* sysclk comes from PLL */ 979 reg = snd_soc_read(codec, WM8991_CLOCKING_2); 980 snd_soc_write(codec, WM8991_CLOCKING_2, reg | WM8991_SYSCLK_SRC); 981 982 /* set up N , fractional mode and pre-divisor if necessary */ 983 snd_soc_write(codec, WM8991_PLL1, pll_div.n | WM8991_SDM | 984 (pll_div.div2 ? WM8991_PRESCALE : 0)); 985 snd_soc_write(codec, WM8991_PLL2, (u8)(pll_div.k>>8)); 986 snd_soc_write(codec, WM8991_PLL3, (u8)(pll_div.k & 0xFF)); 987 } else { 988 /* Turn on PLL */ 989 reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_2); 990 reg &= ~WM8991_PLL_ENA; 991 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_2, reg); 992 } 993 return 0; 994 } 995 996 /* 997 * Set's ADC and Voice DAC format. 998 */ 999 static int wm8991_set_dai_fmt(struct snd_soc_dai *codec_dai, 1000 unsigned int fmt) 1001 { 1002 struct snd_soc_codec *codec = codec_dai->codec; 1003 u16 audio1, audio3; 1004 1005 audio1 = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_1); 1006 audio3 = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_3); 1007 1008 /* set master/slave audio interface */ 1009 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 1010 case SND_SOC_DAIFMT_CBS_CFS: 1011 audio3 &= ~WM8991_AIF_MSTR1; 1012 break; 1013 case SND_SOC_DAIFMT_CBM_CFM: 1014 audio3 |= WM8991_AIF_MSTR1; 1015 break; 1016 default: 1017 return -EINVAL; 1018 } 1019 1020 audio1 &= ~WM8991_AIF_FMT_MASK; 1021 1022 /* interface format */ 1023 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 1024 case SND_SOC_DAIFMT_I2S: 1025 audio1 |= WM8991_AIF_TMF_I2S; 1026 audio1 &= ~WM8991_AIF_LRCLK_INV; 1027 break; 1028 case SND_SOC_DAIFMT_RIGHT_J: 1029 audio1 |= WM8991_AIF_TMF_RIGHTJ; 1030 audio1 &= ~WM8991_AIF_LRCLK_INV; 1031 break; 1032 case SND_SOC_DAIFMT_LEFT_J: 1033 audio1 |= WM8991_AIF_TMF_LEFTJ; 1034 audio1 &= ~WM8991_AIF_LRCLK_INV; 1035 break; 1036 case SND_SOC_DAIFMT_DSP_A: 1037 audio1 |= WM8991_AIF_TMF_DSP; 1038 audio1 &= ~WM8991_AIF_LRCLK_INV; 1039 break; 1040 case SND_SOC_DAIFMT_DSP_B: 1041 audio1 |= WM8991_AIF_TMF_DSP | WM8991_AIF_LRCLK_INV; 1042 break; 1043 default: 1044 return -EINVAL; 1045 } 1046 1047 snd_soc_write(codec, WM8991_AUDIO_INTERFACE_1, audio1); 1048 snd_soc_write(codec, WM8991_AUDIO_INTERFACE_3, audio3); 1049 return 0; 1050 } 1051 1052 static int wm8991_set_dai_clkdiv(struct snd_soc_dai *codec_dai, 1053 int div_id, int div) 1054 { 1055 struct snd_soc_codec *codec = codec_dai->codec; 1056 u16 reg; 1057 1058 switch (div_id) { 1059 case WM8991_MCLK_DIV: 1060 reg = snd_soc_read(codec, WM8991_CLOCKING_2) & 1061 ~WM8991_MCLK_DIV_MASK; 1062 snd_soc_write(codec, WM8991_CLOCKING_2, reg | div); 1063 break; 1064 case WM8991_DACCLK_DIV: 1065 reg = snd_soc_read(codec, WM8991_CLOCKING_2) & 1066 ~WM8991_DAC_CLKDIV_MASK; 1067 snd_soc_write(codec, WM8991_CLOCKING_2, reg | div); 1068 break; 1069 case WM8991_ADCCLK_DIV: 1070 reg = snd_soc_read(codec, WM8991_CLOCKING_2) & 1071 ~WM8991_ADC_CLKDIV_MASK; 1072 snd_soc_write(codec, WM8991_CLOCKING_2, reg | div); 1073 break; 1074 case WM8991_BCLK_DIV: 1075 reg = snd_soc_read(codec, WM8991_CLOCKING_1) & 1076 ~WM8991_BCLK_DIV_MASK; 1077 snd_soc_write(codec, WM8991_CLOCKING_1, reg | div); 1078 break; 1079 default: 1080 return -EINVAL; 1081 } 1082 1083 return 0; 1084 } 1085 1086 /* 1087 * Set PCM DAI bit size and sample rate. 1088 */ 1089 static int wm8991_hw_params(struct snd_pcm_substream *substream, 1090 struct snd_pcm_hw_params *params, 1091 struct snd_soc_dai *dai) 1092 { 1093 struct snd_soc_codec *codec = dai->codec; 1094 u16 audio1 = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_1); 1095 1096 audio1 &= ~WM8991_AIF_WL_MASK; 1097 /* bit size */ 1098 switch (params_format(params)) { 1099 case SNDRV_PCM_FORMAT_S16_LE: 1100 break; 1101 case SNDRV_PCM_FORMAT_S20_3LE: 1102 audio1 |= WM8991_AIF_WL_20BITS; 1103 break; 1104 case SNDRV_PCM_FORMAT_S24_LE: 1105 audio1 |= WM8991_AIF_WL_24BITS; 1106 break; 1107 case SNDRV_PCM_FORMAT_S32_LE: 1108 audio1 |= WM8991_AIF_WL_32BITS; 1109 break; 1110 } 1111 1112 snd_soc_write(codec, WM8991_AUDIO_INTERFACE_1, audio1); 1113 return 0; 1114 } 1115 1116 static int wm8991_mute(struct snd_soc_dai *dai, int mute) 1117 { 1118 struct snd_soc_codec *codec = dai->codec; 1119 u16 val; 1120 1121 val = snd_soc_read(codec, WM8991_DAC_CTRL) & ~WM8991_DAC_MUTE; 1122 if (mute) 1123 snd_soc_write(codec, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE); 1124 else 1125 snd_soc_write(codec, WM8991_DAC_CTRL, val); 1126 return 0; 1127 } 1128 1129 static int wm8991_set_bias_level(struct snd_soc_codec *codec, 1130 enum snd_soc_bias_level level) 1131 { 1132 u16 val; 1133 1134 switch (level) { 1135 case SND_SOC_BIAS_ON: 1136 break; 1137 1138 case SND_SOC_BIAS_PREPARE: 1139 /* VMID=2*50k */ 1140 val = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_1) & 1141 ~WM8991_VMID_MODE_MASK; 1142 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, val | 0x2); 1143 break; 1144 1145 case SND_SOC_BIAS_STANDBY: 1146 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { 1147 snd_soc_cache_sync(codec); 1148 /* Enable all output discharge bits */ 1149 snd_soc_write(codec, WM8991_ANTIPOP1, WM8991_DIS_LLINE | 1150 WM8991_DIS_RLINE | WM8991_DIS_OUT3 | 1151 WM8991_DIS_OUT4 | WM8991_DIS_LOUT | 1152 WM8991_DIS_ROUT); 1153 1154 /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */ 1155 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST | 1156 WM8991_BUFDCOPEN | WM8991_POBCTRL | 1157 WM8991_VMIDTOG); 1158 1159 /* Delay to allow output caps to discharge */ 1160 msleep(300); 1161 1162 /* Disable VMIDTOG */ 1163 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST | 1164 WM8991_BUFDCOPEN | WM8991_POBCTRL); 1165 1166 /* disable all output discharge bits */ 1167 snd_soc_write(codec, WM8991_ANTIPOP1, 0); 1168 1169 /* Enable outputs */ 1170 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1b00); 1171 1172 msleep(50); 1173 1174 /* Enable VMID at 2x50k */ 1175 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f02); 1176 1177 msleep(100); 1178 1179 /* Enable VREF */ 1180 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f03); 1181 1182 msleep(600); 1183 1184 /* Enable BUFIOEN */ 1185 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST | 1186 WM8991_BUFDCOPEN | WM8991_POBCTRL | 1187 WM8991_BUFIOEN); 1188 1189 /* Disable outputs */ 1190 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x3); 1191 1192 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ 1193 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_BUFIOEN); 1194 } 1195 1196 /* VMID=2*250k */ 1197 val = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_1) & 1198 ~WM8991_VMID_MODE_MASK; 1199 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, val | 0x4); 1200 break; 1201 1202 case SND_SOC_BIAS_OFF: 1203 /* Enable POBCTRL and SOFT_ST */ 1204 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST | 1205 WM8991_POBCTRL | WM8991_BUFIOEN); 1206 1207 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */ 1208 snd_soc_write(codec, WM8991_ANTIPOP2, WM8991_SOFTST | 1209 WM8991_BUFDCOPEN | WM8991_POBCTRL | 1210 WM8991_BUFIOEN); 1211 1212 /* mute DAC */ 1213 val = snd_soc_read(codec, WM8991_DAC_CTRL); 1214 snd_soc_write(codec, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE); 1215 1216 /* Enable any disabled outputs */ 1217 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f03); 1218 1219 /* Disable VMID */ 1220 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x1f01); 1221 1222 msleep(300); 1223 1224 /* Enable all output discharge bits */ 1225 snd_soc_write(codec, WM8991_ANTIPOP1, WM8991_DIS_LLINE | 1226 WM8991_DIS_RLINE | WM8991_DIS_OUT3 | 1227 WM8991_DIS_OUT4 | WM8991_DIS_LOUT | 1228 WM8991_DIS_ROUT); 1229 1230 /* Disable VREF */ 1231 snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, 0x0); 1232 1233 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ 1234 snd_soc_write(codec, WM8991_ANTIPOP2, 0x0); 1235 codec->cache_sync = 1; 1236 break; 1237 } 1238 1239 codec->dapm.bias_level = level; 1240 return 0; 1241 } 1242 1243 static int wm8991_suspend(struct snd_soc_codec *codec) 1244 { 1245 wm8991_set_bias_level(codec, SND_SOC_BIAS_OFF); 1246 return 0; 1247 } 1248 1249 static int wm8991_resume(struct snd_soc_codec *codec) 1250 { 1251 wm8991_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1252 return 0; 1253 } 1254 1255 /* power down chip */ 1256 static int wm8991_remove(struct snd_soc_codec *codec) 1257 { 1258 wm8991_set_bias_level(codec, SND_SOC_BIAS_OFF); 1259 return 0; 1260 } 1261 1262 static int wm8991_probe(struct snd_soc_codec *codec) 1263 { 1264 struct wm8991_priv *wm8991; 1265 int ret; 1266 1267 wm8991 = snd_soc_codec_get_drvdata(codec); 1268 1269 ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm8991->control_type); 1270 if (ret < 0) { 1271 dev_err(codec->dev, "Failed to set cache i/o: %d\n", ret); 1272 return ret; 1273 } 1274 1275 ret = wm8991_reset(codec); 1276 if (ret < 0) { 1277 dev_err(codec->dev, "Failed to issue reset\n"); 1278 return ret; 1279 } 1280 1281 wm8991_set_bias_level(codec, SND_SOC_BIAS_STANDBY); 1282 1283 snd_soc_update_bits(codec, WM8991_AUDIO_INTERFACE_4, 1284 WM8991_ALRCGPIO1, WM8991_ALRCGPIO1); 1285 1286 snd_soc_update_bits(codec, WM8991_GPIO1_GPIO2, 1287 WM8991_GPIO1_SEL_MASK, 1); 1288 1289 snd_soc_update_bits(codec, WM8991_POWER_MANAGEMENT_1, 1290 WM8991_VREF_ENA | WM8991_VMID_MODE_MASK, 1291 WM8991_VREF_ENA | WM8991_VMID_MODE_MASK); 1292 1293 snd_soc_update_bits(codec, WM8991_POWER_MANAGEMENT_2, 1294 WM8991_OPCLK_ENA, WM8991_OPCLK_ENA); 1295 1296 snd_soc_write(codec, WM8991_DAC_CTRL, 0); 1297 snd_soc_write(codec, WM8991_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8)); 1298 snd_soc_write(codec, WM8991_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8)); 1299 1300 snd_soc_add_codec_controls(codec, wm8991_snd_controls, 1301 ARRAY_SIZE(wm8991_snd_controls)); 1302 1303 snd_soc_dapm_new_controls(&codec->dapm, wm8991_dapm_widgets, 1304 ARRAY_SIZE(wm8991_dapm_widgets)); 1305 snd_soc_dapm_add_routes(&codec->dapm, audio_map, 1306 ARRAY_SIZE(audio_map)); 1307 return 0; 1308 } 1309 1310 #define WM8991_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 1311 SNDRV_PCM_FMTBIT_S24_LE) 1312 1313 static const struct snd_soc_dai_ops wm8991_ops = { 1314 .hw_params = wm8991_hw_params, 1315 .digital_mute = wm8991_mute, 1316 .set_fmt = wm8991_set_dai_fmt, 1317 .set_clkdiv = wm8991_set_dai_clkdiv, 1318 .set_pll = wm8991_set_dai_pll 1319 }; 1320 1321 /* 1322 * The WM8991 supports 2 different and mutually exclusive DAI 1323 * configurations. 1324 * 1325 * 1. ADC/DAC on Primary Interface 1326 * 2. ADC on Primary Interface/DAC on secondary 1327 */ 1328 static struct snd_soc_dai_driver wm8991_dai = { 1329 /* ADC/DAC on primary */ 1330 .name = "wm8991", 1331 .id = 1, 1332 .playback = { 1333 .stream_name = "Playback", 1334 .channels_min = 1, 1335 .channels_max = 2, 1336 .rates = SNDRV_PCM_RATE_8000_96000, 1337 .formats = WM8991_FORMATS 1338 }, 1339 .capture = { 1340 .stream_name = "Capture", 1341 .channels_min = 1, 1342 .channels_max = 2, 1343 .rates = SNDRV_PCM_RATE_8000_96000, 1344 .formats = WM8991_FORMATS 1345 }, 1346 .ops = &wm8991_ops 1347 }; 1348 1349 static struct snd_soc_codec_driver soc_codec_dev_wm8991 = { 1350 .probe = wm8991_probe, 1351 .remove = wm8991_remove, 1352 .suspend = wm8991_suspend, 1353 .resume = wm8991_resume, 1354 .set_bias_level = wm8991_set_bias_level, 1355 .reg_cache_size = WM8991_MAX_REGISTER + 1, 1356 .reg_word_size = sizeof(u16), 1357 .reg_cache_default = wm8991_reg_defs 1358 }; 1359 1360 static __devinit int wm8991_i2c_probe(struct i2c_client *i2c, 1361 const struct i2c_device_id *id) 1362 { 1363 struct wm8991_priv *wm8991; 1364 int ret; 1365 1366 wm8991 = kzalloc(sizeof *wm8991, GFP_KERNEL); 1367 if (!wm8991) 1368 return -ENOMEM; 1369 1370 wm8991->control_type = SND_SOC_I2C; 1371 i2c_set_clientdata(i2c, wm8991); 1372 1373 ret = snd_soc_register_codec(&i2c->dev, 1374 &soc_codec_dev_wm8991, &wm8991_dai, 1); 1375 if (ret < 0) 1376 kfree(wm8991); 1377 return ret; 1378 } 1379 1380 static __devexit int wm8991_i2c_remove(struct i2c_client *client) 1381 { 1382 snd_soc_unregister_codec(&client->dev); 1383 kfree(i2c_get_clientdata(client)); 1384 return 0; 1385 } 1386 1387 static const struct i2c_device_id wm8991_i2c_id[] = { 1388 { "wm8991", 0 }, 1389 { } 1390 }; 1391 MODULE_DEVICE_TABLE(i2c, wm8991_i2c_id); 1392 1393 static struct i2c_driver wm8991_i2c_driver = { 1394 .driver = { 1395 .name = "wm8991", 1396 .owner = THIS_MODULE, 1397 }, 1398 .probe = wm8991_i2c_probe, 1399 .remove = __devexit_p(wm8991_i2c_remove), 1400 .id_table = wm8991_i2c_id, 1401 }; 1402 1403 static int __init wm8991_modinit(void) 1404 { 1405 int ret; 1406 ret = i2c_add_driver(&wm8991_i2c_driver); 1407 if (ret != 0) { 1408 printk(KERN_ERR "Failed to register WM8991 I2C driver: %d\n", 1409 ret); 1410 } 1411 return 0; 1412 } 1413 module_init(wm8991_modinit); 1414 1415 static void __exit wm8991_exit(void) 1416 { 1417 i2c_del_driver(&wm8991_i2c_driver); 1418 } 1419 module_exit(wm8991_exit); 1420 1421 MODULE_DESCRIPTION("ASoC WM8991 driver"); 1422 MODULE_AUTHOR("Graeme Gregory"); 1423 MODULE_LICENSE("GPL"); 1424