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/regmap.h> 22 #include <linux/slab.h> 23 #include <sound/core.h> 24 #include <sound/pcm.h> 25 #include <sound/pcm_params.h> 26 #include <sound/soc.h> 27 #include <sound/soc-dapm.h> 28 #include <sound/initval.h> 29 #include <sound/tlv.h> 30 #include <asm/div64.h> 31 32 #include "wm8991.h" 33 34 struct wm8991_priv { 35 struct regmap *regmap; 36 unsigned int pcmclk; 37 }; 38 39 static const struct reg_default wm8991_reg_defaults[] = { 40 { 1, 0x0000 }, /* R1 - Power Management (1) */ 41 { 2, 0x6000 }, /* R2 - Power Management (2) */ 42 { 3, 0x0000 }, /* R3 - Power Management (3) */ 43 { 4, 0x4050 }, /* R4 - Audio Interface (1) */ 44 { 5, 0x4000 }, /* R5 - Audio Interface (2) */ 45 { 6, 0x01C8 }, /* R6 - Clocking (1) */ 46 { 7, 0x0000 }, /* R7 - Clocking (2) */ 47 { 8, 0x0040 }, /* R8 - Audio Interface (3) */ 48 { 9, 0x0040 }, /* R9 - Audio Interface (4) */ 49 { 10, 0x0004 }, /* R10 - DAC CTRL */ 50 { 11, 0x00C0 }, /* R11 - Left DAC Digital Volume */ 51 { 12, 0x00C0 }, /* R12 - Right DAC Digital Volume */ 52 { 13, 0x0000 }, /* R13 - Digital Side Tone */ 53 { 14, 0x0100 }, /* R14 - ADC CTRL */ 54 { 15, 0x00C0 }, /* R15 - Left ADC Digital Volume */ 55 { 16, 0x00C0 }, /* R16 - Right ADC Digital Volume */ 56 57 { 18, 0x0000 }, /* R18 - GPIO CTRL 1 */ 58 { 19, 0x1000 }, /* R19 - GPIO1 & GPIO2 */ 59 { 20, 0x1010 }, /* R20 - GPIO3 & GPIO4 */ 60 { 21, 0x1010 }, /* R21 - GPIO5 & GPIO6 */ 61 { 22, 0x8000 }, /* R22 - GPIOCTRL 2 */ 62 { 23, 0x0800 }, /* R23 - GPIO_POL */ 63 { 24, 0x008B }, /* R24 - Left Line Input 1&2 Volume */ 64 { 25, 0x008B }, /* R25 - Left Line Input 3&4 Volume */ 65 { 26, 0x008B }, /* R26 - Right Line Input 1&2 Volume */ 66 { 27, 0x008B }, /* R27 - Right Line Input 3&4 Volume */ 67 { 28, 0x0000 }, /* R28 - Left Output Volume */ 68 { 29, 0x0000 }, /* R29 - Right Output Volume */ 69 { 30, 0x0066 }, /* R30 - Line Outputs Volume */ 70 { 31, 0x0022 }, /* R31 - Out3/4 Volume */ 71 { 32, 0x0079 }, /* R32 - Left OPGA Volume */ 72 { 33, 0x0079 }, /* R33 - Right OPGA Volume */ 73 { 34, 0x0003 }, /* R34 - Speaker Volume */ 74 { 35, 0x0003 }, /* R35 - ClassD1 */ 75 76 { 37, 0x0100 }, /* R37 - ClassD3 */ 77 78 { 39, 0x0000 }, /* R39 - Input Mixer1 */ 79 { 40, 0x0000 }, /* R40 - Input Mixer2 */ 80 { 41, 0x0000 }, /* R41 - Input Mixer3 */ 81 { 42, 0x0000 }, /* R42 - Input Mixer4 */ 82 { 43, 0x0000 }, /* R43 - Input Mixer5 */ 83 { 44, 0x0000 }, /* R44 - Input Mixer6 */ 84 { 45, 0x0000 }, /* R45 - Output Mixer1 */ 85 { 46, 0x0000 }, /* R46 - Output Mixer2 */ 86 { 47, 0x0000 }, /* R47 - Output Mixer3 */ 87 { 48, 0x0000 }, /* R48 - Output Mixer4 */ 88 { 49, 0x0000 }, /* R49 - Output Mixer5 */ 89 { 50, 0x0000 }, /* R50 - Output Mixer6 */ 90 { 51, 0x0180 }, /* R51 - Out3/4 Mixer */ 91 { 52, 0x0000 }, /* R52 - Line Mixer1 */ 92 { 53, 0x0000 }, /* R53 - Line Mixer2 */ 93 { 54, 0x0000 }, /* R54 - Speaker Mixer */ 94 { 55, 0x0000 }, /* R55 - Additional Control */ 95 { 56, 0x0000 }, /* R56 - AntiPOP1 */ 96 { 57, 0x0000 }, /* R57 - AntiPOP2 */ 97 { 58, 0x0000 }, /* R58 - MICBIAS */ 98 99 { 60, 0x0008 }, /* R60 - PLL1 */ 100 { 61, 0x0031 }, /* R61 - PLL2 */ 101 { 62, 0x0026 }, /* R62 - PLL3 */ 102 }; 103 104 static bool wm8991_volatile(struct device *dev, unsigned int reg) 105 { 106 switch (reg) { 107 case WM8991_RESET: 108 return true; 109 default: 110 return false; 111 } 112 } 113 114 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(in_pga_tlv, -1650, 150, 0); 115 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(out_mix_tlv, -2100, 300, 0); 116 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(out_pga_tlv, 117 0x00, 0x2f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(SNDRV_CTL_TLVD_DB_GAIN_MUTE, 0, 1), 118 0x30, 0x7f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-7300, 100, 0), 119 ); 120 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(out_dac_tlv, 121 0x00, 0xbf, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-71625, 375, 1), 122 0xc0, 0xff, SNDRV_CTL_TLVD_DB_SCALE_ITEM(0, 0, 0), 123 ); 124 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(in_adc_tlv, 125 0x00, 0xef, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-71625, 375, 1), 126 0xf0, 0xff, SNDRV_CTL_TLVD_DB_SCALE_ITEM(17625, 0, 0), 127 ); 128 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(out_sidetone_tlv, 129 0x00, 0x0c, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-3600, 300, 0), 130 0x0d, 0x0f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(0, 0, 0), 131 ); 132 133 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol, 134 struct snd_ctl_elem_value *ucontrol) 135 { 136 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 137 int reg = kcontrol->private_value & 0xff; 138 int ret; 139 u16 val; 140 141 ret = snd_soc_put_volsw(kcontrol, ucontrol); 142 if (ret < 0) 143 return ret; 144 145 /* now hit the volume update bits (always bit 8) */ 146 val = snd_soc_component_read32(component, reg); 147 return snd_soc_component_write(component, reg, val | 0x0100); 148 } 149 150 static const char *wm8991_digital_sidetone[] = 151 {"None", "Left ADC", "Right ADC", "Reserved"}; 152 153 static SOC_ENUM_SINGLE_DECL(wm8991_left_digital_sidetone_enum, 154 WM8991_DIGITAL_SIDE_TONE, 155 WM8991_ADC_TO_DACL_SHIFT, 156 wm8991_digital_sidetone); 157 158 static SOC_ENUM_SINGLE_DECL(wm8991_right_digital_sidetone_enum, 159 WM8991_DIGITAL_SIDE_TONE, 160 WM8991_ADC_TO_DACR_SHIFT, 161 wm8991_digital_sidetone); 162 163 static const char *wm8991_adcmode[] = 164 {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"}; 165 166 static SOC_ENUM_SINGLE_DECL(wm8991_right_adcmode_enum, 167 WM8991_ADC_CTRL, 168 WM8991_ADC_HPF_CUT_SHIFT, 169 wm8991_adcmode); 170 171 static const struct snd_kcontrol_new wm8991_snd_controls[] = { 172 /* INMIXL */ 173 SOC_SINGLE("LIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L12MNBST_BIT, 1, 0), 174 SOC_SINGLE("LIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L34MNBST_BIT, 1, 0), 175 /* INMIXR */ 176 SOC_SINGLE("RIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R12MNBST_BIT, 1, 0), 177 SOC_SINGLE("RIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R34MNBST_BIT, 1, 0), 178 179 /* LOMIX */ 180 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER3, 181 WM8991_LLI3LOVOL_SHIFT, WM8991_LLI3LOVOL_MASK, 1, out_mix_tlv), 182 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3, 183 WM8991_LR12LOVOL_SHIFT, WM8991_LR12LOVOL_MASK, 1, out_mix_tlv), 184 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3, 185 WM8991_LL12LOVOL_SHIFT, WM8991_LL12LOVOL_MASK, 1, out_mix_tlv), 186 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER5, 187 WM8991_LRI3LOVOL_SHIFT, WM8991_LRI3LOVOL_MASK, 1, out_mix_tlv), 188 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER5, 189 WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv), 190 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER5, 191 WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv), 192 193 /* ROMIX */ 194 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER4, 195 WM8991_RRI3ROVOL_SHIFT, WM8991_RRI3ROVOL_MASK, 1, out_mix_tlv), 196 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4, 197 WM8991_RL12ROVOL_SHIFT, WM8991_RL12ROVOL_MASK, 1, out_mix_tlv), 198 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4, 199 WM8991_RR12ROVOL_SHIFT, WM8991_RR12ROVOL_MASK, 1, out_mix_tlv), 200 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER6, 201 WM8991_RLI3ROVOL_SHIFT, WM8991_RLI3ROVOL_MASK, 1, out_mix_tlv), 202 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER6, 203 WM8991_RLBROVOL_SHIFT, WM8991_RLBROVOL_MASK, 1, out_mix_tlv), 204 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER6, 205 WM8991_RRBROVOL_SHIFT, WM8991_RRBROVOL_MASK, 1, out_mix_tlv), 206 207 /* LOUT */ 208 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8991_LEFT_OUTPUT_VOLUME, 209 WM8991_LOUTVOL_SHIFT, WM8991_LOUTVOL_MASK, 0, out_pga_tlv), 210 SOC_SINGLE("LOUT ZC", WM8991_LEFT_OUTPUT_VOLUME, WM8991_LOZC_BIT, 1, 0), 211 212 /* ROUT */ 213 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8991_RIGHT_OUTPUT_VOLUME, 214 WM8991_ROUTVOL_SHIFT, WM8991_ROUTVOL_MASK, 0, out_pga_tlv), 215 SOC_SINGLE("ROUT ZC", WM8991_RIGHT_OUTPUT_VOLUME, WM8991_ROZC_BIT, 1, 0), 216 217 /* LOPGA */ 218 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8991_LEFT_OPGA_VOLUME, 219 WM8991_LOPGAVOL_SHIFT, WM8991_LOPGAVOL_MASK, 0, out_pga_tlv), 220 SOC_SINGLE("LOPGA ZC Switch", WM8991_LEFT_OPGA_VOLUME, 221 WM8991_LOPGAZC_BIT, 1, 0), 222 223 /* ROPGA */ 224 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8991_RIGHT_OPGA_VOLUME, 225 WM8991_ROPGAVOL_SHIFT, WM8991_ROPGAVOL_MASK, 0, out_pga_tlv), 226 SOC_SINGLE("ROPGA ZC Switch", WM8991_RIGHT_OPGA_VOLUME, 227 WM8991_ROPGAZC_BIT, 1, 0), 228 229 SOC_SINGLE("LON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME, 230 WM8991_LONMUTE_BIT, 1, 0), 231 SOC_SINGLE("LOP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME, 232 WM8991_LOPMUTE_BIT, 1, 0), 233 SOC_SINGLE("LOP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME, 234 WM8991_LOATTN_BIT, 1, 0), 235 SOC_SINGLE("RON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME, 236 WM8991_RONMUTE_BIT, 1, 0), 237 SOC_SINGLE("ROP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME, 238 WM8991_ROPMUTE_BIT, 1, 0), 239 SOC_SINGLE("ROP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME, 240 WM8991_ROATTN_BIT, 1, 0), 241 242 SOC_SINGLE("OUT3 Mute Switch", WM8991_OUT3_4_VOLUME, 243 WM8991_OUT3MUTE_BIT, 1, 0), 244 SOC_SINGLE("OUT3 Attenuation Switch", WM8991_OUT3_4_VOLUME, 245 WM8991_OUT3ATTN_BIT, 1, 0), 246 247 SOC_SINGLE("OUT4 Mute Switch", WM8991_OUT3_4_VOLUME, 248 WM8991_OUT4MUTE_BIT, 1, 0), 249 SOC_SINGLE("OUT4 Attenuation Switch", WM8991_OUT3_4_VOLUME, 250 WM8991_OUT4ATTN_BIT, 1, 0), 251 252 SOC_SINGLE("Speaker Mode Switch", WM8991_CLASSD1, 253 WM8991_CDMODE_BIT, 1, 0), 254 255 SOC_SINGLE("Speaker Output Attenuation Volume", WM8991_SPEAKER_VOLUME, 256 WM8991_SPKVOL_SHIFT, WM8991_SPKVOL_MASK, 0), 257 SOC_SINGLE("Speaker DC Boost Volume", WM8991_CLASSD3, 258 WM8991_DCGAIN_SHIFT, WM8991_DCGAIN_MASK, 0), 259 SOC_SINGLE("Speaker AC Boost Volume", WM8991_CLASSD3, 260 WM8991_ACGAIN_SHIFT, WM8991_ACGAIN_MASK, 0), 261 262 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume", 263 WM8991_LEFT_DAC_DIGITAL_VOLUME, 264 WM8991_DACL_VOL_SHIFT, 265 WM8991_DACL_VOL_MASK, 266 0, 267 out_dac_tlv), 268 269 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume", 270 WM8991_RIGHT_DAC_DIGITAL_VOLUME, 271 WM8991_DACR_VOL_SHIFT, 272 WM8991_DACR_VOL_MASK, 273 0, 274 out_dac_tlv), 275 276 SOC_ENUM("Left Digital Sidetone", wm8991_left_digital_sidetone_enum), 277 SOC_ENUM("Right Digital Sidetone", wm8991_right_digital_sidetone_enum), 278 279 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE, 280 WM8991_ADCL_DAC_SVOL_SHIFT, WM8991_ADCL_DAC_SVOL_MASK, 0, 281 out_sidetone_tlv), 282 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE, 283 WM8991_ADCR_DAC_SVOL_SHIFT, WM8991_ADCR_DAC_SVOL_MASK, 0, 284 out_sidetone_tlv), 285 286 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8991_ADC_CTRL, 287 WM8991_ADC_HPF_ENA_BIT, 1, 0), 288 289 SOC_ENUM("ADC HPF Mode", wm8991_right_adcmode_enum), 290 291 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume", 292 WM8991_LEFT_ADC_DIGITAL_VOLUME, 293 WM8991_ADCL_VOL_SHIFT, 294 WM8991_ADCL_VOL_MASK, 295 0, 296 in_adc_tlv), 297 298 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume", 299 WM8991_RIGHT_ADC_DIGITAL_VOLUME, 300 WM8991_ADCR_VOL_SHIFT, 301 WM8991_ADCR_VOL_MASK, 302 0, 303 in_adc_tlv), 304 305 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume", 306 WM8991_LEFT_LINE_INPUT_1_2_VOLUME, 307 WM8991_LIN12VOL_SHIFT, 308 WM8991_LIN12VOL_MASK, 309 0, 310 in_pga_tlv), 311 312 SOC_SINGLE("LIN12 ZC Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME, 313 WM8991_LI12ZC_BIT, 1, 0), 314 315 SOC_SINGLE("LIN12 Mute Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME, 316 WM8991_LI12MUTE_BIT, 1, 0), 317 318 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume", 319 WM8991_LEFT_LINE_INPUT_3_4_VOLUME, 320 WM8991_LIN34VOL_SHIFT, 321 WM8991_LIN34VOL_MASK, 322 0, 323 in_pga_tlv), 324 325 SOC_SINGLE("LIN34 ZC Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME, 326 WM8991_LI34ZC_BIT, 1, 0), 327 328 SOC_SINGLE("LIN34 Mute Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME, 329 WM8991_LI34MUTE_BIT, 1, 0), 330 331 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume", 332 WM8991_RIGHT_LINE_INPUT_1_2_VOLUME, 333 WM8991_RIN12VOL_SHIFT, 334 WM8991_RIN12VOL_MASK, 335 0, 336 in_pga_tlv), 337 338 SOC_SINGLE("RIN12 ZC Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME, 339 WM8991_RI12ZC_BIT, 1, 0), 340 341 SOC_SINGLE("RIN12 Mute Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME, 342 WM8991_RI12MUTE_BIT, 1, 0), 343 344 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume", 345 WM8991_RIGHT_LINE_INPUT_3_4_VOLUME, 346 WM8991_RIN34VOL_SHIFT, 347 WM8991_RIN34VOL_MASK, 348 0, 349 in_pga_tlv), 350 351 SOC_SINGLE("RIN34 ZC Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME, 352 WM8991_RI34ZC_BIT, 1, 0), 353 354 SOC_SINGLE("RIN34 Mute Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME, 355 WM8991_RI34MUTE_BIT, 1, 0), 356 }; 357 358 /* 359 * _DAPM_ Controls 360 */ 361 static int outmixer_event(struct snd_soc_dapm_widget *w, 362 struct snd_kcontrol *kcontrol, int event) 363 { 364 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 365 u32 reg_shift = kcontrol->private_value & 0xfff; 366 int ret = 0; 367 u16 reg; 368 369 switch (reg_shift) { 370 case WM8991_SPEAKER_MIXER | (WM8991_LDSPK_BIT << 8): 371 reg = snd_soc_component_read32(component, WM8991_OUTPUT_MIXER1); 372 if (reg & WM8991_LDLO) { 373 printk(KERN_WARNING 374 "Cannot set as Output Mixer 1 LDLO Set\n"); 375 ret = -1; 376 } 377 break; 378 379 case WM8991_SPEAKER_MIXER | (WM8991_RDSPK_BIT << 8): 380 reg = snd_soc_component_read32(component, WM8991_OUTPUT_MIXER2); 381 if (reg & WM8991_RDRO) { 382 printk(KERN_WARNING 383 "Cannot set as Output Mixer 2 RDRO Set\n"); 384 ret = -1; 385 } 386 break; 387 388 case WM8991_OUTPUT_MIXER1 | (WM8991_LDLO_BIT << 8): 389 reg = snd_soc_component_read32(component, WM8991_SPEAKER_MIXER); 390 if (reg & WM8991_LDSPK) { 391 printk(KERN_WARNING 392 "Cannot set as Speaker Mixer LDSPK Set\n"); 393 ret = -1; 394 } 395 break; 396 397 case WM8991_OUTPUT_MIXER2 | (WM8991_RDRO_BIT << 8): 398 reg = snd_soc_component_read32(component, WM8991_SPEAKER_MIXER); 399 if (reg & WM8991_RDSPK) { 400 printk(KERN_WARNING 401 "Cannot set as Speaker Mixer RDSPK Set\n"); 402 ret = -1; 403 } 404 break; 405 } 406 407 return ret; 408 } 409 410 /* INMIX dB values */ 411 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(in_mix_tlv, -1200, 300, 1); 412 413 /* Left In PGA Connections */ 414 static const struct snd_kcontrol_new wm8991_dapm_lin12_pga_controls[] = { 415 SOC_DAPM_SINGLE("LIN1 Switch", WM8991_INPUT_MIXER2, WM8991_LMN1_BIT, 1, 0), 416 SOC_DAPM_SINGLE("LIN2 Switch", WM8991_INPUT_MIXER2, WM8991_LMP2_BIT, 1, 0), 417 }; 418 419 static const struct snd_kcontrol_new wm8991_dapm_lin34_pga_controls[] = { 420 SOC_DAPM_SINGLE("LIN3 Switch", WM8991_INPUT_MIXER2, WM8991_LMN3_BIT, 1, 0), 421 SOC_DAPM_SINGLE("LIN4 Switch", WM8991_INPUT_MIXER2, WM8991_LMP4_BIT, 1, 0), 422 }; 423 424 /* Right In PGA Connections */ 425 static const struct snd_kcontrol_new wm8991_dapm_rin12_pga_controls[] = { 426 SOC_DAPM_SINGLE("RIN1 Switch", WM8991_INPUT_MIXER2, WM8991_RMN1_BIT, 1, 0), 427 SOC_DAPM_SINGLE("RIN2 Switch", WM8991_INPUT_MIXER2, WM8991_RMP2_BIT, 1, 0), 428 }; 429 430 static const struct snd_kcontrol_new wm8991_dapm_rin34_pga_controls[] = { 431 SOC_DAPM_SINGLE("RIN3 Switch", WM8991_INPUT_MIXER2, WM8991_RMN3_BIT, 1, 0), 432 SOC_DAPM_SINGLE("RIN4 Switch", WM8991_INPUT_MIXER2, WM8991_RMP4_BIT, 1, 0), 433 }; 434 435 /* INMIXL */ 436 static const struct snd_kcontrol_new wm8991_dapm_inmixl_controls[] = { 437 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8991_INPUT_MIXER3, 438 WM8991_LDBVOL_SHIFT, WM8991_LDBVOL_MASK, 0, in_mix_tlv), 439 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8991_INPUT_MIXER5, WM8991_LI2BVOL_SHIFT, 440 7, 0, in_mix_tlv), 441 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT, 442 1, 0), 443 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT, 444 1, 0), 445 }; 446 447 /* INMIXR */ 448 static const struct snd_kcontrol_new wm8991_dapm_inmixr_controls[] = { 449 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8991_INPUT_MIXER4, 450 WM8991_RDBVOL_SHIFT, WM8991_RDBVOL_MASK, 0, in_mix_tlv), 451 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8991_INPUT_MIXER6, WM8991_RI2BVOL_SHIFT, 452 7, 0, in_mix_tlv), 453 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT, 454 1, 0), 455 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT, 456 1, 0), 457 }; 458 459 /* AINLMUX */ 460 static const char *wm8991_ainlmux[] = 461 {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"}; 462 463 static SOC_ENUM_SINGLE_DECL(wm8991_ainlmux_enum, 464 WM8991_INPUT_MIXER1, WM8991_AINLMODE_SHIFT, 465 wm8991_ainlmux); 466 467 static const struct snd_kcontrol_new wm8991_dapm_ainlmux_controls = 468 SOC_DAPM_ENUM("Route", wm8991_ainlmux_enum); 469 470 /* DIFFINL */ 471 472 /* AINRMUX */ 473 static const char *wm8991_ainrmux[] = 474 {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"}; 475 476 static SOC_ENUM_SINGLE_DECL(wm8991_ainrmux_enum, 477 WM8991_INPUT_MIXER1, WM8991_AINRMODE_SHIFT, 478 wm8991_ainrmux); 479 480 static const struct snd_kcontrol_new wm8991_dapm_ainrmux_controls = 481 SOC_DAPM_ENUM("Route", wm8991_ainrmux_enum); 482 483 /* RXVOICE */ 484 static const struct snd_kcontrol_new wm8991_dapm_rxvoice_controls[] = { 485 SOC_DAPM_SINGLE_TLV("LIN4RXN", WM8991_INPUT_MIXER5, WM8991_LR4BVOL_SHIFT, 486 WM8991_LR4BVOL_MASK, 0, in_mix_tlv), 487 SOC_DAPM_SINGLE_TLV("RIN4RXP", WM8991_INPUT_MIXER6, WM8991_RL4BVOL_SHIFT, 488 WM8991_RL4BVOL_MASK, 0, in_mix_tlv), 489 }; 490 491 /* LOMIX */ 492 static const struct snd_kcontrol_new wm8991_dapm_lomix_controls[] = { 493 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER1, 494 WM8991_LRBLO_BIT, 1, 0), 495 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER1, 496 WM8991_LLBLO_BIT, 1, 0), 497 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER1, 498 WM8991_LRI3LO_BIT, 1, 0), 499 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER1, 500 WM8991_LLI3LO_BIT, 1, 0), 501 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1, 502 WM8991_LR12LO_BIT, 1, 0), 503 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1, 504 WM8991_LL12LO_BIT, 1, 0), 505 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8991_OUTPUT_MIXER1, 506 WM8991_LDLO_BIT, 1, 0), 507 }; 508 509 /* ROMIX */ 510 static const struct snd_kcontrol_new wm8991_dapm_romix_controls[] = { 511 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER2, 512 WM8991_RLBRO_BIT, 1, 0), 513 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER2, 514 WM8991_RRBRO_BIT, 1, 0), 515 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER2, 516 WM8991_RLI3RO_BIT, 1, 0), 517 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER2, 518 WM8991_RRI3RO_BIT, 1, 0), 519 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2, 520 WM8991_RL12RO_BIT, 1, 0), 521 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2, 522 WM8991_RR12RO_BIT, 1, 0), 523 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8991_OUTPUT_MIXER2, 524 WM8991_RDRO_BIT, 1, 0), 525 }; 526 527 /* LONMIX */ 528 static const struct snd_kcontrol_new wm8991_dapm_lonmix_controls[] = { 529 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1, 530 WM8991_LLOPGALON_BIT, 1, 0), 531 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER1, 532 WM8991_LROPGALON_BIT, 1, 0), 533 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8991_LINE_MIXER1, 534 WM8991_LOPLON_BIT, 1, 0), 535 }; 536 537 /* LOPMIX */ 538 static const struct snd_kcontrol_new wm8991_dapm_lopmix_controls[] = { 539 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER1, 540 WM8991_LR12LOP_BIT, 1, 0), 541 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER1, 542 WM8991_LL12LOP_BIT, 1, 0), 543 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1, 544 WM8991_LLOPGALOP_BIT, 1, 0), 545 }; 546 547 /* RONMIX */ 548 static const struct snd_kcontrol_new wm8991_dapm_ronmix_controls[] = { 549 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2, 550 WM8991_RROPGARON_BIT, 1, 0), 551 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER2, 552 WM8991_RLOPGARON_BIT, 1, 0), 553 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8991_LINE_MIXER2, 554 WM8991_ROPRON_BIT, 1, 0), 555 }; 556 557 /* ROPMIX */ 558 static const struct snd_kcontrol_new wm8991_dapm_ropmix_controls[] = { 559 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER2, 560 WM8991_RL12ROP_BIT, 1, 0), 561 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER2, 562 WM8991_RR12ROP_BIT, 1, 0), 563 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2, 564 WM8991_RROPGAROP_BIT, 1, 0), 565 }; 566 567 /* OUT3MIX */ 568 static const struct snd_kcontrol_new wm8991_dapm_out3mix_controls[] = { 569 SOC_DAPM_SINGLE("OUT3MIX LIN4RXN Bypass Switch", WM8991_OUT3_4_MIXER, 570 WM8991_LI4O3_BIT, 1, 0), 571 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8991_OUT3_4_MIXER, 572 WM8991_LPGAO3_BIT, 1, 0), 573 }; 574 575 /* OUT4MIX */ 576 static const struct snd_kcontrol_new wm8991_dapm_out4mix_controls[] = { 577 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8991_OUT3_4_MIXER, 578 WM8991_RPGAO4_BIT, 1, 0), 579 SOC_DAPM_SINGLE("OUT4MIX RIN4RXP Bypass Switch", WM8991_OUT3_4_MIXER, 580 WM8991_RI4O4_BIT, 1, 0), 581 }; 582 583 /* SPKMIX */ 584 static const struct snd_kcontrol_new wm8991_dapm_spkmix_controls[] = { 585 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8991_SPEAKER_MIXER, 586 WM8991_LI2SPK_BIT, 1, 0), 587 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8991_SPEAKER_MIXER, 588 WM8991_LB2SPK_BIT, 1, 0), 589 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8991_SPEAKER_MIXER, 590 WM8991_LOPGASPK_BIT, 1, 0), 591 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8991_SPEAKER_MIXER, 592 WM8991_LDSPK_BIT, 1, 0), 593 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8991_SPEAKER_MIXER, 594 WM8991_RDSPK_BIT, 1, 0), 595 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8991_SPEAKER_MIXER, 596 WM8991_ROPGASPK_BIT, 1, 0), 597 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8991_SPEAKER_MIXER, 598 WM8991_RL12ROP_BIT, 1, 0), 599 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8991_SPEAKER_MIXER, 600 WM8991_RI2SPK_BIT, 1, 0), 601 }; 602 603 static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = { 604 /* Input Side */ 605 /* Input Lines */ 606 SND_SOC_DAPM_INPUT("LIN1"), 607 SND_SOC_DAPM_INPUT("LIN2"), 608 SND_SOC_DAPM_INPUT("LIN3"), 609 SND_SOC_DAPM_INPUT("LIN4RXN"), 610 SND_SOC_DAPM_INPUT("RIN3"), 611 SND_SOC_DAPM_INPUT("RIN4RXP"), 612 SND_SOC_DAPM_INPUT("RIN1"), 613 SND_SOC_DAPM_INPUT("RIN2"), 614 SND_SOC_DAPM_INPUT("Internal ADC Source"), 615 616 SND_SOC_DAPM_SUPPLY("INL", WM8991_POWER_MANAGEMENT_2, 617 WM8991_AINL_ENA_BIT, 0, NULL, 0), 618 SND_SOC_DAPM_SUPPLY("INR", WM8991_POWER_MANAGEMENT_2, 619 WM8991_AINR_ENA_BIT, 0, NULL, 0), 620 621 /* DACs */ 622 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8991_POWER_MANAGEMENT_2, 623 WM8991_ADCL_ENA_BIT, 0), 624 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8991_POWER_MANAGEMENT_2, 625 WM8991_ADCR_ENA_BIT, 0), 626 627 /* Input PGAs */ 628 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN12_ENA_BIT, 629 0, &wm8991_dapm_lin12_pga_controls[0], 630 ARRAY_SIZE(wm8991_dapm_lin12_pga_controls)), 631 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN34_ENA_BIT, 632 0, &wm8991_dapm_lin34_pga_controls[0], 633 ARRAY_SIZE(wm8991_dapm_lin34_pga_controls)), 634 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN12_ENA_BIT, 635 0, &wm8991_dapm_rin12_pga_controls[0], 636 ARRAY_SIZE(wm8991_dapm_rin12_pga_controls)), 637 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN34_ENA_BIT, 638 0, &wm8991_dapm_rin34_pga_controls[0], 639 ARRAY_SIZE(wm8991_dapm_rin34_pga_controls)), 640 641 /* INMIXL */ 642 SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0, 643 &wm8991_dapm_inmixl_controls[0], 644 ARRAY_SIZE(wm8991_dapm_inmixl_controls)), 645 646 /* AINLMUX */ 647 SND_SOC_DAPM_MUX("AINLMUX", SND_SOC_NOPM, 0, 0, 648 &wm8991_dapm_ainlmux_controls), 649 650 /* INMIXR */ 651 SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0, 652 &wm8991_dapm_inmixr_controls[0], 653 ARRAY_SIZE(wm8991_dapm_inmixr_controls)), 654 655 /* AINRMUX */ 656 SND_SOC_DAPM_MUX("AINRMUX", SND_SOC_NOPM, 0, 0, 657 &wm8991_dapm_ainrmux_controls), 658 659 /* Output Side */ 660 /* DACs */ 661 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8991_POWER_MANAGEMENT_3, 662 WM8991_DACL_ENA_BIT, 0), 663 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8991_POWER_MANAGEMENT_3, 664 WM8991_DACR_ENA_BIT, 0), 665 666 /* LOMIX */ 667 SND_SOC_DAPM_MIXER_E("LOMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOMIX_ENA_BIT, 668 0, &wm8991_dapm_lomix_controls[0], 669 ARRAY_SIZE(wm8991_dapm_lomix_controls), 670 outmixer_event, SND_SOC_DAPM_PRE_REG), 671 672 /* LONMIX */ 673 SND_SOC_DAPM_MIXER("LONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LON_ENA_BIT, 0, 674 &wm8991_dapm_lonmix_controls[0], 675 ARRAY_SIZE(wm8991_dapm_lonmix_controls)), 676 677 /* LOPMIX */ 678 SND_SOC_DAPM_MIXER("LOPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOP_ENA_BIT, 0, 679 &wm8991_dapm_lopmix_controls[0], 680 ARRAY_SIZE(wm8991_dapm_lopmix_controls)), 681 682 /* OUT3MIX */ 683 SND_SOC_DAPM_MIXER("OUT3MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT3_ENA_BIT, 0, 684 &wm8991_dapm_out3mix_controls[0], 685 ARRAY_SIZE(wm8991_dapm_out3mix_controls)), 686 687 /* SPKMIX */ 688 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8991_POWER_MANAGEMENT_1, WM8991_SPK_ENA_BIT, 0, 689 &wm8991_dapm_spkmix_controls[0], 690 ARRAY_SIZE(wm8991_dapm_spkmix_controls), outmixer_event, 691 SND_SOC_DAPM_PRE_REG), 692 693 /* OUT4MIX */ 694 SND_SOC_DAPM_MIXER("OUT4MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT4_ENA_BIT, 0, 695 &wm8991_dapm_out4mix_controls[0], 696 ARRAY_SIZE(wm8991_dapm_out4mix_controls)), 697 698 /* ROPMIX */ 699 SND_SOC_DAPM_MIXER("ROPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROP_ENA_BIT, 0, 700 &wm8991_dapm_ropmix_controls[0], 701 ARRAY_SIZE(wm8991_dapm_ropmix_controls)), 702 703 /* RONMIX */ 704 SND_SOC_DAPM_MIXER("RONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_RON_ENA_BIT, 0, 705 &wm8991_dapm_ronmix_controls[0], 706 ARRAY_SIZE(wm8991_dapm_ronmix_controls)), 707 708 /* ROMIX */ 709 SND_SOC_DAPM_MIXER_E("ROMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROMIX_ENA_BIT, 710 0, &wm8991_dapm_romix_controls[0], 711 ARRAY_SIZE(wm8991_dapm_romix_controls), 712 outmixer_event, SND_SOC_DAPM_PRE_REG), 713 714 /* LOUT PGA */ 715 SND_SOC_DAPM_PGA("LOUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_LOUT_ENA_BIT, 0, 716 NULL, 0), 717 718 /* ROUT PGA */ 719 SND_SOC_DAPM_PGA("ROUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_ROUT_ENA_BIT, 0, 720 NULL, 0), 721 722 /* LOPGA */ 723 SND_SOC_DAPM_PGA("LOPGA", WM8991_POWER_MANAGEMENT_3, WM8991_LOPGA_ENA_BIT, 0, 724 NULL, 0), 725 726 /* ROPGA */ 727 SND_SOC_DAPM_PGA("ROPGA", WM8991_POWER_MANAGEMENT_3, WM8991_ROPGA_ENA_BIT, 0, 728 NULL, 0), 729 730 /* MICBIAS */ 731 SND_SOC_DAPM_SUPPLY("MICBIAS", WM8991_POWER_MANAGEMENT_1, 732 WM8991_MICBIAS_ENA_BIT, 0, NULL, 0), 733 734 SND_SOC_DAPM_OUTPUT("LON"), 735 SND_SOC_DAPM_OUTPUT("LOP"), 736 SND_SOC_DAPM_OUTPUT("OUT3"), 737 SND_SOC_DAPM_OUTPUT("LOUT"), 738 SND_SOC_DAPM_OUTPUT("SPKN"), 739 SND_SOC_DAPM_OUTPUT("SPKP"), 740 SND_SOC_DAPM_OUTPUT("ROUT"), 741 SND_SOC_DAPM_OUTPUT("OUT4"), 742 SND_SOC_DAPM_OUTPUT("ROP"), 743 SND_SOC_DAPM_OUTPUT("RON"), 744 SND_SOC_DAPM_OUTPUT("OUT"), 745 746 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"), 747 }; 748 749 static const struct snd_soc_dapm_route wm8991_dapm_routes[] = { 750 /* Make DACs turn on when playing even if not mixed into any outputs */ 751 {"Internal DAC Sink", NULL, "Left DAC"}, 752 {"Internal DAC Sink", NULL, "Right DAC"}, 753 754 /* Make ADCs turn on when recording even if not mixed from any inputs */ 755 {"Left ADC", NULL, "Internal ADC Source"}, 756 {"Right ADC", NULL, "Internal ADC Source"}, 757 758 /* Input Side */ 759 {"INMIXL", NULL, "INL"}, 760 {"AINLMUX", NULL, "INL"}, 761 {"INMIXR", NULL, "INR"}, 762 {"AINRMUX", NULL, "INR"}, 763 /* LIN12 PGA */ 764 {"LIN12 PGA", "LIN1 Switch", "LIN1"}, 765 {"LIN12 PGA", "LIN2 Switch", "LIN2"}, 766 /* LIN34 PGA */ 767 {"LIN34 PGA", "LIN3 Switch", "LIN3"}, 768 {"LIN34 PGA", "LIN4 Switch", "LIN4RXN"}, 769 /* INMIXL */ 770 {"INMIXL", "Record Left Volume", "LOMIX"}, 771 {"INMIXL", "LIN2 Volume", "LIN2"}, 772 {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"}, 773 {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"}, 774 /* AINLMUX */ 775 {"AINLMUX", "INMIXL Mix", "INMIXL"}, 776 {"AINLMUX", "DIFFINL Mix", "LIN12 PGA"}, 777 {"AINLMUX", "DIFFINL Mix", "LIN34 PGA"}, 778 {"AINLMUX", "RXVOICE Mix", "LIN4RXN"}, 779 {"AINLMUX", "RXVOICE Mix", "RIN4RXP"}, 780 /* ADC */ 781 {"Left ADC", NULL, "AINLMUX"}, 782 783 /* RIN12 PGA */ 784 {"RIN12 PGA", "RIN1 Switch", "RIN1"}, 785 {"RIN12 PGA", "RIN2 Switch", "RIN2"}, 786 /* RIN34 PGA */ 787 {"RIN34 PGA", "RIN3 Switch", "RIN3"}, 788 {"RIN34 PGA", "RIN4 Switch", "RIN4RXP"}, 789 /* INMIXL */ 790 {"INMIXR", "Record Right Volume", "ROMIX"}, 791 {"INMIXR", "RIN2 Volume", "RIN2"}, 792 {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"}, 793 {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"}, 794 /* AINRMUX */ 795 {"AINRMUX", "INMIXR Mix", "INMIXR"}, 796 {"AINRMUX", "DIFFINR Mix", "RIN12 PGA"}, 797 {"AINRMUX", "DIFFINR Mix", "RIN34 PGA"}, 798 {"AINRMUX", "RXVOICE Mix", "LIN4RXN"}, 799 {"AINRMUX", "RXVOICE Mix", "RIN4RXP"}, 800 /* ADC */ 801 {"Right ADC", NULL, "AINRMUX"}, 802 803 /* LOMIX */ 804 {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"}, 805 {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"}, 806 {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"}, 807 {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"}, 808 {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"}, 809 {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"}, 810 {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"}, 811 812 /* ROMIX */ 813 {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"}, 814 {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"}, 815 {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"}, 816 {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"}, 817 {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"}, 818 {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"}, 819 {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"}, 820 821 /* SPKMIX */ 822 {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"}, 823 {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"}, 824 {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"}, 825 {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"}, 826 {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"}, 827 {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"}, 828 {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"}, 829 {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"}, 830 831 /* LONMIX */ 832 {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"}, 833 {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"}, 834 {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"}, 835 836 /* LOPMIX */ 837 {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"}, 838 {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"}, 839 {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"}, 840 841 /* OUT3MIX */ 842 {"OUT3MIX", "OUT3MIX LIN4RXN Bypass Switch", "LIN4RXN"}, 843 {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"}, 844 845 /* OUT4MIX */ 846 {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"}, 847 {"OUT4MIX", "OUT4MIX RIN4RXP Bypass Switch", "RIN4RXP"}, 848 849 /* RONMIX */ 850 {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"}, 851 {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"}, 852 {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"}, 853 854 /* ROPMIX */ 855 {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"}, 856 {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"}, 857 {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"}, 858 859 /* Out Mixer PGAs */ 860 {"LOPGA", NULL, "LOMIX"}, 861 {"ROPGA", NULL, "ROMIX"}, 862 863 {"LOUT PGA", NULL, "LOMIX"}, 864 {"ROUT PGA", NULL, "ROMIX"}, 865 866 /* Output Pins */ 867 {"LON", NULL, "LONMIX"}, 868 {"LOP", NULL, "LOPMIX"}, 869 {"OUT", NULL, "OUT3MIX"}, 870 {"LOUT", NULL, "LOUT PGA"}, 871 {"SPKN", NULL, "SPKMIX"}, 872 {"ROUT", NULL, "ROUT PGA"}, 873 {"OUT4", NULL, "OUT4MIX"}, 874 {"ROP", NULL, "ROPMIX"}, 875 {"RON", NULL, "RONMIX"}, 876 }; 877 878 /* PLL divisors */ 879 struct _pll_div { 880 u32 div2; 881 u32 n; 882 u32 k; 883 }; 884 885 /* The size in bits of the pll divide multiplied by 10 886 * to allow rounding later */ 887 #define FIXED_PLL_SIZE ((1 << 16) * 10) 888 889 static void pll_factors(struct _pll_div *pll_div, unsigned int target, 890 unsigned int source) 891 { 892 u64 Kpart; 893 unsigned int K, Ndiv, Nmod; 894 895 896 Ndiv = target / source; 897 if (Ndiv < 6) { 898 source >>= 1; 899 pll_div->div2 = 1; 900 Ndiv = target / source; 901 } else 902 pll_div->div2 = 0; 903 904 if ((Ndiv < 6) || (Ndiv > 12)) 905 printk(KERN_WARNING 906 "WM8991 N value outwith recommended range! N = %d\n", Ndiv); 907 908 pll_div->n = Ndiv; 909 Nmod = target % source; 910 Kpart = FIXED_PLL_SIZE * (long long)Nmod; 911 912 do_div(Kpart, source); 913 914 K = Kpart & 0xFFFFFFFF; 915 916 /* Check if we need to round */ 917 if ((K % 10) >= 5) 918 K += 5; 919 920 /* Move down to proper range now rounding is done */ 921 K /= 10; 922 923 pll_div->k = K; 924 } 925 926 static int wm8991_set_dai_pll(struct snd_soc_dai *codec_dai, 927 int pll_id, int src, unsigned int freq_in, unsigned int freq_out) 928 { 929 u16 reg; 930 struct snd_soc_component *component = codec_dai->component; 931 struct _pll_div pll_div; 932 933 if (freq_in && freq_out) { 934 pll_factors(&pll_div, freq_out * 4, freq_in); 935 936 /* Turn on PLL */ 937 reg = snd_soc_component_read32(component, WM8991_POWER_MANAGEMENT_2); 938 reg |= WM8991_PLL_ENA; 939 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_2, reg); 940 941 /* sysclk comes from PLL */ 942 reg = snd_soc_component_read32(component, WM8991_CLOCKING_2); 943 snd_soc_component_write(component, WM8991_CLOCKING_2, reg | WM8991_SYSCLK_SRC); 944 945 /* set up N , fractional mode and pre-divisor if necessary */ 946 snd_soc_component_write(component, WM8991_PLL1, pll_div.n | WM8991_SDM | 947 (pll_div.div2 ? WM8991_PRESCALE : 0)); 948 snd_soc_component_write(component, WM8991_PLL2, (u8)(pll_div.k>>8)); 949 snd_soc_component_write(component, WM8991_PLL3, (u8)(pll_div.k & 0xFF)); 950 } else { 951 /* Turn on PLL */ 952 reg = snd_soc_component_read32(component, WM8991_POWER_MANAGEMENT_2); 953 reg &= ~WM8991_PLL_ENA; 954 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_2, reg); 955 } 956 return 0; 957 } 958 959 /* 960 * Set's ADC and Voice DAC format. 961 */ 962 static int wm8991_set_dai_fmt(struct snd_soc_dai *codec_dai, 963 unsigned int fmt) 964 { 965 struct snd_soc_component *component = codec_dai->component; 966 u16 audio1, audio3; 967 968 audio1 = snd_soc_component_read32(component, WM8991_AUDIO_INTERFACE_1); 969 audio3 = snd_soc_component_read32(component, WM8991_AUDIO_INTERFACE_3); 970 971 /* set master/slave audio interface */ 972 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { 973 case SND_SOC_DAIFMT_CBS_CFS: 974 audio3 &= ~WM8991_AIF_MSTR1; 975 break; 976 case SND_SOC_DAIFMT_CBM_CFM: 977 audio3 |= WM8991_AIF_MSTR1; 978 break; 979 default: 980 return -EINVAL; 981 } 982 983 audio1 &= ~WM8991_AIF_FMT_MASK; 984 985 /* interface format */ 986 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { 987 case SND_SOC_DAIFMT_I2S: 988 audio1 |= WM8991_AIF_TMF_I2S; 989 audio1 &= ~WM8991_AIF_LRCLK_INV; 990 break; 991 case SND_SOC_DAIFMT_RIGHT_J: 992 audio1 |= WM8991_AIF_TMF_RIGHTJ; 993 audio1 &= ~WM8991_AIF_LRCLK_INV; 994 break; 995 case SND_SOC_DAIFMT_LEFT_J: 996 audio1 |= WM8991_AIF_TMF_LEFTJ; 997 audio1 &= ~WM8991_AIF_LRCLK_INV; 998 break; 999 case SND_SOC_DAIFMT_DSP_A: 1000 audio1 |= WM8991_AIF_TMF_DSP; 1001 audio1 &= ~WM8991_AIF_LRCLK_INV; 1002 break; 1003 case SND_SOC_DAIFMT_DSP_B: 1004 audio1 |= WM8991_AIF_TMF_DSP | WM8991_AIF_LRCLK_INV; 1005 break; 1006 default: 1007 return -EINVAL; 1008 } 1009 1010 snd_soc_component_write(component, WM8991_AUDIO_INTERFACE_1, audio1); 1011 snd_soc_component_write(component, WM8991_AUDIO_INTERFACE_3, audio3); 1012 return 0; 1013 } 1014 1015 static int wm8991_set_dai_clkdiv(struct snd_soc_dai *codec_dai, 1016 int div_id, int div) 1017 { 1018 struct snd_soc_component *component = codec_dai->component; 1019 u16 reg; 1020 1021 switch (div_id) { 1022 case WM8991_MCLK_DIV: 1023 reg = snd_soc_component_read32(component, WM8991_CLOCKING_2) & 1024 ~WM8991_MCLK_DIV_MASK; 1025 snd_soc_component_write(component, WM8991_CLOCKING_2, reg | div); 1026 break; 1027 case WM8991_DACCLK_DIV: 1028 reg = snd_soc_component_read32(component, WM8991_CLOCKING_2) & 1029 ~WM8991_DAC_CLKDIV_MASK; 1030 snd_soc_component_write(component, WM8991_CLOCKING_2, reg | div); 1031 break; 1032 case WM8991_ADCCLK_DIV: 1033 reg = snd_soc_component_read32(component, WM8991_CLOCKING_2) & 1034 ~WM8991_ADC_CLKDIV_MASK; 1035 snd_soc_component_write(component, WM8991_CLOCKING_2, reg | div); 1036 break; 1037 case WM8991_BCLK_DIV: 1038 reg = snd_soc_component_read32(component, WM8991_CLOCKING_1) & 1039 ~WM8991_BCLK_DIV_MASK; 1040 snd_soc_component_write(component, WM8991_CLOCKING_1, reg | div); 1041 break; 1042 default: 1043 return -EINVAL; 1044 } 1045 1046 return 0; 1047 } 1048 1049 /* 1050 * Set PCM DAI bit size and sample rate. 1051 */ 1052 static int wm8991_hw_params(struct snd_pcm_substream *substream, 1053 struct snd_pcm_hw_params *params, 1054 struct snd_soc_dai *dai) 1055 { 1056 struct snd_soc_component *component = dai->component; 1057 u16 audio1 = snd_soc_component_read32(component, WM8991_AUDIO_INTERFACE_1); 1058 1059 audio1 &= ~WM8991_AIF_WL_MASK; 1060 /* bit size */ 1061 switch (params_width(params)) { 1062 case 16: 1063 break; 1064 case 20: 1065 audio1 |= WM8991_AIF_WL_20BITS; 1066 break; 1067 case 24: 1068 audio1 |= WM8991_AIF_WL_24BITS; 1069 break; 1070 case 32: 1071 audio1 |= WM8991_AIF_WL_32BITS; 1072 break; 1073 } 1074 1075 snd_soc_component_write(component, WM8991_AUDIO_INTERFACE_1, audio1); 1076 return 0; 1077 } 1078 1079 static int wm8991_mute(struct snd_soc_dai *dai, int mute) 1080 { 1081 struct snd_soc_component *component = dai->component; 1082 u16 val; 1083 1084 val = snd_soc_component_read32(component, WM8991_DAC_CTRL) & ~WM8991_DAC_MUTE; 1085 if (mute) 1086 snd_soc_component_write(component, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE); 1087 else 1088 snd_soc_component_write(component, WM8991_DAC_CTRL, val); 1089 return 0; 1090 } 1091 1092 static int wm8991_set_bias_level(struct snd_soc_component *component, 1093 enum snd_soc_bias_level level) 1094 { 1095 struct wm8991_priv *wm8991 = snd_soc_component_get_drvdata(component); 1096 u16 val; 1097 1098 switch (level) { 1099 case SND_SOC_BIAS_ON: 1100 break; 1101 1102 case SND_SOC_BIAS_PREPARE: 1103 /* VMID=2*50k */ 1104 val = snd_soc_component_read32(component, WM8991_POWER_MANAGEMENT_1) & 1105 ~WM8991_VMID_MODE_MASK; 1106 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, val | 0x2); 1107 break; 1108 1109 case SND_SOC_BIAS_STANDBY: 1110 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { 1111 regcache_sync(wm8991->regmap); 1112 /* Enable all output discharge bits */ 1113 snd_soc_component_write(component, WM8991_ANTIPOP1, WM8991_DIS_LLINE | 1114 WM8991_DIS_RLINE | WM8991_DIS_OUT3 | 1115 WM8991_DIS_OUT4 | WM8991_DIS_LOUT | 1116 WM8991_DIS_ROUT); 1117 1118 /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */ 1119 snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST | 1120 WM8991_BUFDCOPEN | WM8991_POBCTRL | 1121 WM8991_VMIDTOG); 1122 1123 /* Delay to allow output caps to discharge */ 1124 msleep(300); 1125 1126 /* Disable VMIDTOG */ 1127 snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST | 1128 WM8991_BUFDCOPEN | WM8991_POBCTRL); 1129 1130 /* disable all output discharge bits */ 1131 snd_soc_component_write(component, WM8991_ANTIPOP1, 0); 1132 1133 /* Enable outputs */ 1134 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1b00); 1135 1136 msleep(50); 1137 1138 /* Enable VMID at 2x50k */ 1139 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1f02); 1140 1141 msleep(100); 1142 1143 /* Enable VREF */ 1144 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1f03); 1145 1146 msleep(600); 1147 1148 /* Enable BUFIOEN */ 1149 snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST | 1150 WM8991_BUFDCOPEN | WM8991_POBCTRL | 1151 WM8991_BUFIOEN); 1152 1153 /* Disable outputs */ 1154 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x3); 1155 1156 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ 1157 snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_BUFIOEN); 1158 } 1159 1160 /* VMID=2*250k */ 1161 val = snd_soc_component_read32(component, WM8991_POWER_MANAGEMENT_1) & 1162 ~WM8991_VMID_MODE_MASK; 1163 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, val | 0x4); 1164 break; 1165 1166 case SND_SOC_BIAS_OFF: 1167 /* Enable POBCTRL and SOFT_ST */ 1168 snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST | 1169 WM8991_POBCTRL | WM8991_BUFIOEN); 1170 1171 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */ 1172 snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST | 1173 WM8991_BUFDCOPEN | WM8991_POBCTRL | 1174 WM8991_BUFIOEN); 1175 1176 /* mute DAC */ 1177 val = snd_soc_component_read32(component, WM8991_DAC_CTRL); 1178 snd_soc_component_write(component, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE); 1179 1180 /* Enable any disabled outputs */ 1181 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1f03); 1182 1183 /* Disable VMID */ 1184 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1f01); 1185 1186 msleep(300); 1187 1188 /* Enable all output discharge bits */ 1189 snd_soc_component_write(component, WM8991_ANTIPOP1, WM8991_DIS_LLINE | 1190 WM8991_DIS_RLINE | WM8991_DIS_OUT3 | 1191 WM8991_DIS_OUT4 | WM8991_DIS_LOUT | 1192 WM8991_DIS_ROUT); 1193 1194 /* Disable VREF */ 1195 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x0); 1196 1197 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ 1198 snd_soc_component_write(component, WM8991_ANTIPOP2, 0x0); 1199 regcache_mark_dirty(wm8991->regmap); 1200 break; 1201 } 1202 1203 return 0; 1204 } 1205 1206 #define WM8991_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ 1207 SNDRV_PCM_FMTBIT_S24_LE) 1208 1209 static const struct snd_soc_dai_ops wm8991_ops = { 1210 .hw_params = wm8991_hw_params, 1211 .digital_mute = wm8991_mute, 1212 .set_fmt = wm8991_set_dai_fmt, 1213 .set_clkdiv = wm8991_set_dai_clkdiv, 1214 .set_pll = wm8991_set_dai_pll 1215 }; 1216 1217 /* 1218 * The WM8991 supports 2 different and mutually exclusive DAI 1219 * configurations. 1220 * 1221 * 1. ADC/DAC on Primary Interface 1222 * 2. ADC on Primary Interface/DAC on secondary 1223 */ 1224 static struct snd_soc_dai_driver wm8991_dai = { 1225 /* ADC/DAC on primary */ 1226 .name = "wm8991", 1227 .id = 1, 1228 .playback = { 1229 .stream_name = "Playback", 1230 .channels_min = 1, 1231 .channels_max = 2, 1232 .rates = SNDRV_PCM_RATE_8000_96000, 1233 .formats = WM8991_FORMATS 1234 }, 1235 .capture = { 1236 .stream_name = "Capture", 1237 .channels_min = 1, 1238 .channels_max = 2, 1239 .rates = SNDRV_PCM_RATE_8000_96000, 1240 .formats = WM8991_FORMATS 1241 }, 1242 .ops = &wm8991_ops 1243 }; 1244 1245 static const struct snd_soc_component_driver soc_component_dev_wm8991 = { 1246 .set_bias_level = wm8991_set_bias_level, 1247 .controls = wm8991_snd_controls, 1248 .num_controls = ARRAY_SIZE(wm8991_snd_controls), 1249 .dapm_widgets = wm8991_dapm_widgets, 1250 .num_dapm_widgets = ARRAY_SIZE(wm8991_dapm_widgets), 1251 .dapm_routes = wm8991_dapm_routes, 1252 .num_dapm_routes = ARRAY_SIZE(wm8991_dapm_routes), 1253 .suspend_bias_off = 1, 1254 .idle_bias_on = 1, 1255 .use_pmdown_time = 1, 1256 .endianness = 1, 1257 .non_legacy_dai_naming = 1, 1258 }; 1259 1260 static const struct regmap_config wm8991_regmap = { 1261 .reg_bits = 8, 1262 .val_bits = 16, 1263 1264 .max_register = WM8991_PLL3, 1265 .volatile_reg = wm8991_volatile, 1266 .reg_defaults = wm8991_reg_defaults, 1267 .num_reg_defaults = ARRAY_SIZE(wm8991_reg_defaults), 1268 .cache_type = REGCACHE_RBTREE, 1269 }; 1270 1271 static int wm8991_i2c_probe(struct i2c_client *i2c, 1272 const struct i2c_device_id *id) 1273 { 1274 struct wm8991_priv *wm8991; 1275 unsigned int val; 1276 int ret; 1277 1278 wm8991 = devm_kzalloc(&i2c->dev, sizeof(*wm8991), GFP_KERNEL); 1279 if (!wm8991) 1280 return -ENOMEM; 1281 1282 wm8991->regmap = devm_regmap_init_i2c(i2c, &wm8991_regmap); 1283 if (IS_ERR(wm8991->regmap)) 1284 return PTR_ERR(wm8991->regmap); 1285 1286 i2c_set_clientdata(i2c, wm8991); 1287 1288 ret = regmap_read(wm8991->regmap, WM8991_RESET, &val); 1289 if (ret != 0) { 1290 dev_err(&i2c->dev, "Failed to read device ID: %d\n", ret); 1291 return ret; 1292 } 1293 if (val != 0x8991) { 1294 dev_err(&i2c->dev, "Device with ID %x is not a WM8991\n", val); 1295 return -EINVAL; 1296 } 1297 1298 ret = regmap_write(wm8991->regmap, WM8991_RESET, 0); 1299 if (ret < 0) { 1300 dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret); 1301 return ret; 1302 } 1303 1304 regmap_update_bits(wm8991->regmap, WM8991_AUDIO_INTERFACE_4, 1305 WM8991_ALRCGPIO1, WM8991_ALRCGPIO1); 1306 1307 regmap_update_bits(wm8991->regmap, WM8991_GPIO1_GPIO2, 1308 WM8991_GPIO1_SEL_MASK, 1); 1309 1310 regmap_update_bits(wm8991->regmap, WM8991_POWER_MANAGEMENT_1, 1311 WM8991_VREF_ENA | WM8991_VMID_MODE_MASK, 1312 WM8991_VREF_ENA | WM8991_VMID_MODE_MASK); 1313 1314 regmap_update_bits(wm8991->regmap, WM8991_POWER_MANAGEMENT_2, 1315 WM8991_OPCLK_ENA, WM8991_OPCLK_ENA); 1316 1317 regmap_write(wm8991->regmap, WM8991_DAC_CTRL, 0); 1318 regmap_write(wm8991->regmap, WM8991_LEFT_OUTPUT_VOLUME, 1319 0x50 | (1<<8)); 1320 regmap_write(wm8991->regmap, WM8991_RIGHT_OUTPUT_VOLUME, 1321 0x50 | (1<<8)); 1322 1323 ret = devm_snd_soc_register_component(&i2c->dev, 1324 &soc_component_dev_wm8991, &wm8991_dai, 1); 1325 1326 return ret; 1327 } 1328 1329 static const struct i2c_device_id wm8991_i2c_id[] = { 1330 { "wm8991", 0 }, 1331 { } 1332 }; 1333 MODULE_DEVICE_TABLE(i2c, wm8991_i2c_id); 1334 1335 static struct i2c_driver wm8991_i2c_driver = { 1336 .driver = { 1337 .name = "wm8991", 1338 }, 1339 .probe = wm8991_i2c_probe, 1340 .id_table = wm8991_i2c_id, 1341 }; 1342 1343 module_i2c_driver(wm8991_i2c_driver); 1344 1345 MODULE_DESCRIPTION("ASoC WM8991 driver"); 1346 MODULE_AUTHOR("Graeme Gregory"); 1347 MODULE_LICENSE("GPL"); 1348