sound/soc/codecs/wm8990.c

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
wm8990_volatile_register
wm899x_outpga_put_volsw_vu
outmixer_event
pll_factors
wm8990_set_dai_pll
wm8990_set_dai_sysclk
wm8990_set_dai_fmt
wm8990_set_dai_clkdiv
wm8990_hw_params
wm8990_mute
wm8990_set_bias_level
wm8990_probe
wm8990_i2c_probe
   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * wm8990.c  --  WM8990 ALSA Soc Audio driver
   4  *
   5  * Copyright 2008 Wolfson Microelectronics PLC.
   6  * Author: Liam Girdwood <lrg@slimlogic.co.uk>
   7  */
   8 
   9 #include <linux/module.h>
  10 #include <linux/moduleparam.h>
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/delay.h>
  14 #include <linux/pm.h>
  15 #include <linux/i2c.h>
  16 #include <linux/regmap.h>
  17 #include <linux/slab.h>
  18 #include <sound/core.h>
  19 #include <sound/pcm.h>
  20 #include <sound/pcm_params.h>
  21 #include <sound/soc.h>
  22 #include <sound/initval.h>
  23 #include <sound/tlv.h>
  24 #include <asm/div64.h>
  25 
  26 #include "wm8990.h"
  27 
  28 /* codec private data */
  29 struct wm8990_priv {
  30         struct regmap *regmap;
  31         unsigned int sysclk;
  32         unsigned int pcmclk;
  33 };
  34 
  35 static bool wm8990_volatile_register(struct device *dev, unsigned int reg)
  36 {
  37         switch (reg) {
  38         case WM8990_RESET:
  39                 return true;
  40         default:
  41                 return false;
  42         }
  43 }
  44 
  45 static const struct reg_default wm8990_reg_defaults[] = {
  46         {  1, 0x0000 },     /* R1  - Power Management (1) */
  47         {  2, 0x6000 },     /* R2  - Power Management (2) */
  48         {  3, 0x0000 },     /* R3  - Power Management (3) */
  49         {  4, 0x4050 },     /* R4  - Audio Interface (1) */
  50         {  5, 0x4000 },     /* R5  - Audio Interface (2) */
  51         {  6, 0x01C8 },     /* R6  - Clocking (1) */
  52         {  7, 0x0000 },     /* R7  - Clocking (2) */
  53         {  8, 0x0040 },     /* R8  - Audio Interface (3) */
  54         {  9, 0x0040 },     /* R9  - Audio Interface (4) */
  55         { 10, 0x0004 },     /* R10 - DAC CTRL */
  56         { 11, 0x00C0 },     /* R11 - Left DAC Digital Volume */
  57         { 12, 0x00C0 },     /* R12 - Right DAC Digital Volume */
  58         { 13, 0x0000 },     /* R13 - Digital Side Tone */
  59         { 14, 0x0100 },     /* R14 - ADC CTRL */
  60         { 15, 0x00C0 },     /* R15 - Left ADC Digital Volume */
  61         { 16, 0x00C0 },     /* R16 - Right ADC Digital Volume */
  62 
  63         { 18, 0x0000 },     /* R18 - GPIO CTRL 1 */
  64         { 19, 0x1000 },     /* R19 - GPIO1 & GPIO2 */
  65         { 20, 0x1010 },     /* R20 - GPIO3 & GPIO4 */
  66         { 21, 0x1010 },     /* R21 - GPIO5 & GPIO6 */
  67         { 22, 0x8000 },     /* R22 - GPIOCTRL 2 */
  68         { 23, 0x0800 },     /* R23 - GPIO_POL */
  69         { 24, 0x008B },     /* R24 - Left Line Input 1&2 Volume */
  70         { 25, 0x008B },     /* R25 - Left Line Input 3&4 Volume */
  71         { 26, 0x008B },     /* R26 - Right Line Input 1&2 Volume */
  72         { 27, 0x008B },     /* R27 - Right Line Input 3&4 Volume */
  73         { 28, 0x0000 },     /* R28 - Left Output Volume */
  74         { 29, 0x0000 },     /* R29 - Right Output Volume */
  75         { 30, 0x0066 },     /* R30 - Line Outputs Volume */
  76         { 31, 0x0022 },     /* R31 - Out3/4 Volume */
  77         { 32, 0x0079 },     /* R32 - Left OPGA Volume */
  78         { 33, 0x0079 },     /* R33 - Right OPGA Volume */
  79         { 34, 0x0003 },     /* R34 - Speaker Volume */
  80         { 35, 0x0003 },     /* R35 - ClassD1 */
  81 
  82         { 37, 0x0100 },     /* R37 - ClassD3 */
  83         { 38, 0x0079 },     /* R38 - ClassD4 */
  84         { 39, 0x0000 },     /* R39 - Input Mixer1 */
  85         { 40, 0x0000 },     /* R40 - Input Mixer2 */
  86         { 41, 0x0000 },     /* R41 - Input Mixer3 */
  87         { 42, 0x0000 },     /* R42 - Input Mixer4 */
  88         { 43, 0x0000 },     /* R43 - Input Mixer5 */
  89         { 44, 0x0000 },     /* R44 - Input Mixer6 */
  90         { 45, 0x0000 },     /* R45 - Output Mixer1 */
  91         { 46, 0x0000 },     /* R46 - Output Mixer2 */
  92         { 47, 0x0000 },     /* R47 - Output Mixer3 */
  93         { 48, 0x0000 },     /* R48 - Output Mixer4 */
  94         { 49, 0x0000 },     /* R49 - Output Mixer5 */
  95         { 50, 0x0000 },     /* R50 - Output Mixer6 */
  96         { 51, 0x0180 },     /* R51 - Out3/4 Mixer */
  97         { 52, 0x0000 },     /* R52 - Line Mixer1 */
  98         { 53, 0x0000 },     /* R53 - Line Mixer2 */
  99         { 54, 0x0000 },     /* R54 - Speaker Mixer */
 100         { 55, 0x0000 },     /* R55 - Additional Control */
 101         { 56, 0x0000 },     /* R56 - AntiPOP1 */
 102         { 57, 0x0000 },     /* R57 - AntiPOP2 */
 103         { 58, 0x0000 },     /* R58 - MICBIAS */
 104 
 105         { 60, 0x0008 },     /* R60 - PLL1 */
 106         { 61, 0x0031 },     /* R61 - PLL2 */
 107         { 62, 0x0026 },     /* R62 - PLL3 */
 108 };
 109 
 110 #define wm8990_reset(c) snd_soc_component_write(c, WM8990_RESET, 0)
 111 
 112 static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0);
 113 
 114 static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
 115 
 116 static const DECLARE_TLV_DB_SCALE(out_mix_tlv, 0, -2100, 0);
 117 
 118 static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
 119 
 120 static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0);
 121 
 122 static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
 123 
 124 static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
 125 
 126 static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
 127 
 128 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
 129         struct snd_ctl_elem_value *ucontrol)
 130 {
 131         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 132         struct soc_mixer_control *mc =
 133                 (struct soc_mixer_control *)kcontrol->private_value;
 134         int reg = mc->reg;
 135         int ret;
 136         u16 val;
 137 
 138         ret = snd_soc_put_volsw(kcontrol, ucontrol);
 139         if (ret < 0)
 140                 return ret;
 141 
 142         /* now hit the volume update bits (always bit 8) */
 143         val = snd_soc_component_read32(component, reg);
 144         return snd_soc_component_write(component, reg, val | 0x0100);
 145 }
 146 
 147 #define SOC_WM899X_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert,\
 148         tlv_array) \
 149         SOC_SINGLE_EXT_TLV(xname, reg, shift, max, invert, \
 150                 snd_soc_get_volsw, wm899x_outpga_put_volsw_vu, tlv_array)
 151 
 152 
 153 static const char *wm8990_digital_sidetone[] =
 154         {"None", "Left ADC", "Right ADC", "Reserved"};
 155 
 156 static SOC_ENUM_SINGLE_DECL(wm8990_left_digital_sidetone_enum,
 157                             WM8990_DIGITAL_SIDE_TONE,
 158                             WM8990_ADC_TO_DACL_SHIFT,
 159                             wm8990_digital_sidetone);
 160 
 161 static SOC_ENUM_SINGLE_DECL(wm8990_right_digital_sidetone_enum,
 162                             WM8990_DIGITAL_SIDE_TONE,
 163                             WM8990_ADC_TO_DACR_SHIFT,
 164                             wm8990_digital_sidetone);
 165 
 166 static const char *wm8990_adcmode[] =
 167         {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
 168 
 169 static SOC_ENUM_SINGLE_DECL(wm8990_right_adcmode_enum,
 170                             WM8990_ADC_CTRL,
 171                             WM8990_ADC_HPF_CUT_SHIFT,
 172                             wm8990_adcmode);
 173 
 174 static const struct snd_kcontrol_new wm8990_snd_controls[] = {
 175 /* INMIXL */
 176 SOC_SINGLE("LIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L12MNBST_BIT, 1, 0),
 177 SOC_SINGLE("LIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L34MNBST_BIT, 1, 0),
 178 /* INMIXR */
 179 SOC_SINGLE("RIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R12MNBST_BIT, 1, 0),
 180 SOC_SINGLE("RIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R34MNBST_BIT, 1, 0),
 181 
 182 /* LOMIX */
 183 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER3,
 184         WM8990_LLI3LOVOL_SHIFT, WM8990_LLI3LOVOL_MASK, 1, out_mix_tlv),
 185 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
 186         WM8990_LR12LOVOL_SHIFT, WM8990_LR12LOVOL_MASK, 1, out_mix_tlv),
 187 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
 188         WM8990_LL12LOVOL_SHIFT, WM8990_LL12LOVOL_MASK, 1, out_mix_tlv),
 189 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER5,
 190         WM8990_LRI3LOVOL_SHIFT, WM8990_LRI3LOVOL_MASK, 1, out_mix_tlv),
 191 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
 192         WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
 193 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
 194         WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
 195 
 196 /* ROMIX */
 197 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER4,
 198         WM8990_RRI3ROVOL_SHIFT, WM8990_RRI3ROVOL_MASK, 1, out_mix_tlv),
 199 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
 200         WM8990_RL12ROVOL_SHIFT, WM8990_RL12ROVOL_MASK, 1, out_mix_tlv),
 201 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
 202         WM8990_RR12ROVOL_SHIFT, WM8990_RR12ROVOL_MASK, 1, out_mix_tlv),
 203 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER6,
 204         WM8990_RLI3ROVOL_SHIFT, WM8990_RLI3ROVOL_MASK, 1, out_mix_tlv),
 205 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
 206         WM8990_RLBROVOL_SHIFT, WM8990_RLBROVOL_MASK, 1, out_mix_tlv),
 207 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
 208         WM8990_RRBROVOL_SHIFT, WM8990_RRBROVOL_MASK, 1, out_mix_tlv),
 209 
 210 /* LOUT */
 211 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8990_LEFT_OUTPUT_VOLUME,
 212         WM8990_LOUTVOL_SHIFT, WM8990_LOUTVOL_MASK, 0, out_pga_tlv),
 213 SOC_SINGLE("LOUT ZC", WM8990_LEFT_OUTPUT_VOLUME, WM8990_LOZC_BIT, 1, 0),
 214 
 215 /* ROUT */
 216 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8990_RIGHT_OUTPUT_VOLUME,
 217         WM8990_ROUTVOL_SHIFT, WM8990_ROUTVOL_MASK, 0, out_pga_tlv),
 218 SOC_SINGLE("ROUT ZC", WM8990_RIGHT_OUTPUT_VOLUME, WM8990_ROZC_BIT, 1, 0),
 219 
 220 /* LOPGA */
 221 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8990_LEFT_OPGA_VOLUME,
 222         WM8990_LOPGAVOL_SHIFT, WM8990_LOPGAVOL_MASK, 0, out_pga_tlv),
 223 SOC_SINGLE("LOPGA ZC Switch", WM8990_LEFT_OPGA_VOLUME,
 224         WM8990_LOPGAZC_BIT, 1, 0),
 225 
 226 /* ROPGA */
 227 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8990_RIGHT_OPGA_VOLUME,
 228         WM8990_ROPGAVOL_SHIFT, WM8990_ROPGAVOL_MASK, 0, out_pga_tlv),
 229 SOC_SINGLE("ROPGA ZC Switch", WM8990_RIGHT_OPGA_VOLUME,
 230         WM8990_ROPGAZC_BIT, 1, 0),
 231 
 232 SOC_SINGLE("LON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
 233         WM8990_LONMUTE_BIT, 1, 0),
 234 SOC_SINGLE("LOP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
 235         WM8990_LOPMUTE_BIT, 1, 0),
 236 SOC_SINGLE("LOP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
 237         WM8990_LOATTN_BIT, 1, 0),
 238 SOC_SINGLE("RON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
 239         WM8990_RONMUTE_BIT, 1, 0),
 240 SOC_SINGLE("ROP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
 241         WM8990_ROPMUTE_BIT, 1, 0),
 242 SOC_SINGLE("ROP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
 243         WM8990_ROATTN_BIT, 1, 0),
 244 
 245 SOC_SINGLE("OUT3 Mute Switch", WM8990_OUT3_4_VOLUME,
 246         WM8990_OUT3MUTE_BIT, 1, 0),
 247 SOC_SINGLE("OUT3 Attenuation Switch", WM8990_OUT3_4_VOLUME,
 248         WM8990_OUT3ATTN_BIT, 1, 0),
 249 
 250 SOC_SINGLE("OUT4 Mute Switch", WM8990_OUT3_4_VOLUME,
 251         WM8990_OUT4MUTE_BIT, 1, 0),
 252 SOC_SINGLE("OUT4 Attenuation Switch", WM8990_OUT3_4_VOLUME,
 253         WM8990_OUT4ATTN_BIT, 1, 0),
 254 
 255 SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1,
 256         WM8990_CDMODE_BIT, 1, 0),
 257 
 258 SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME,
 259         WM8990_SPKATTN_SHIFT, WM8990_SPKATTN_MASK, 0),
 260 SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3,
 261         WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0),
 262 SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3,
 263         WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0),
 264 SOC_SINGLE_TLV("Speaker Volume", WM8990_CLASSD4,
 265         WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0, out_pga_tlv),
 266 SOC_SINGLE("Speaker ZC Switch", WM8990_CLASSD4,
 267         WM8990_SPKZC_SHIFT, WM8990_SPKZC_MASK, 0),
 268 
 269 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
 270         WM8990_LEFT_DAC_DIGITAL_VOLUME,
 271         WM8990_DACL_VOL_SHIFT,
 272         WM8990_DACL_VOL_MASK,
 273         0,
 274         out_dac_tlv),
 275 
 276 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
 277         WM8990_RIGHT_DAC_DIGITAL_VOLUME,
 278         WM8990_DACR_VOL_SHIFT,
 279         WM8990_DACR_VOL_MASK,
 280         0,
 281         out_dac_tlv),
 282 
 283 SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum),
 284 SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum),
 285 
 286 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
 287         WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0,
 288         out_sidetone_tlv),
 289 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
 290         WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0,
 291         out_sidetone_tlv),
 292 
 293 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL,
 294         WM8990_ADC_HPF_ENA_BIT, 1, 0),
 295 
 296 SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum),
 297 
 298 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
 299         WM8990_LEFT_ADC_DIGITAL_VOLUME,
 300         WM8990_ADCL_VOL_SHIFT,
 301         WM8990_ADCL_VOL_MASK,
 302         0,
 303         in_adc_tlv),
 304 
 305 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
 306         WM8990_RIGHT_ADC_DIGITAL_VOLUME,
 307         WM8990_ADCR_VOL_SHIFT,
 308         WM8990_ADCR_VOL_MASK,
 309         0,
 310         in_adc_tlv),
 311 
 312 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
 313         WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
 314         WM8990_LIN12VOL_SHIFT,
 315         WM8990_LIN12VOL_MASK,
 316         0,
 317         in_pga_tlv),
 318 
 319 SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
 320         WM8990_LI12ZC_BIT, 1, 0),
 321 
 322 SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
 323         WM8990_LI12MUTE_BIT, 1, 0),
 324 
 325 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
 326         WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
 327         WM8990_LIN34VOL_SHIFT,
 328         WM8990_LIN34VOL_MASK,
 329         0,
 330         in_pga_tlv),
 331 
 332 SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
 333         WM8990_LI34ZC_BIT, 1, 0),
 334 
 335 SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
 336         WM8990_LI34MUTE_BIT, 1, 0),
 337 
 338 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
 339         WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
 340         WM8990_RIN12VOL_SHIFT,
 341         WM8990_RIN12VOL_MASK,
 342         0,
 343         in_pga_tlv),
 344 
 345 SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
 346         WM8990_RI12ZC_BIT, 1, 0),
 347 
 348 SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
 349         WM8990_RI12MUTE_BIT, 1, 0),
 350 
 351 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
 352         WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
 353         WM8990_RIN34VOL_SHIFT,
 354         WM8990_RIN34VOL_MASK,
 355         0,
 356         in_pga_tlv),
 357 
 358 SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
 359         WM8990_RI34ZC_BIT, 1, 0),
 360 
 361 SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
 362         WM8990_RI34MUTE_BIT, 1, 0),
 363 
 364 };
 365 
 366 /*
 367  * _DAPM_ Controls
 368  */
 369 
 370 static int outmixer_event(struct snd_soc_dapm_widget *w,
 371         struct snd_kcontrol *kcontrol, int event)
 372 {
 373         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 374         u32 reg_shift = kcontrol->private_value & 0xfff;
 375         int ret = 0;
 376         u16 reg;
 377 
 378         switch (reg_shift) {
 379         case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) :
 380                 reg = snd_soc_component_read32(component, WM8990_OUTPUT_MIXER1);
 381                 if (reg & WM8990_LDLO) {
 382                         printk(KERN_WARNING
 383                         "Cannot set as Output Mixer 1 LDLO Set\n");
 384                         ret = -1;
 385                 }
 386                 break;
 387         case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8):
 388                 reg = snd_soc_component_read32(component, WM8990_OUTPUT_MIXER2);
 389                 if (reg & WM8990_RDRO) {
 390                         printk(KERN_WARNING
 391                         "Cannot set as Output Mixer 2 RDRO Set\n");
 392                         ret = -1;
 393                 }
 394                 break;
 395         case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8):
 396                 reg = snd_soc_component_read32(component, WM8990_SPEAKER_MIXER);
 397                 if (reg & WM8990_LDSPK) {
 398                         printk(KERN_WARNING
 399                         "Cannot set as Speaker Mixer LDSPK Set\n");
 400                         ret = -1;
 401                 }
 402                 break;
 403         case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8):
 404                 reg = snd_soc_component_read32(component, WM8990_SPEAKER_MIXER);
 405                 if (reg & WM8990_RDSPK) {
 406                         printk(KERN_WARNING
 407                         "Cannot set as Speaker Mixer RDSPK Set\n");
 408                         ret = -1;
 409                 }
 410                 break;
 411         }
 412 
 413         return ret;
 414 }
 415 
 416 /* INMIX dB values */
 417 static const DECLARE_TLV_DB_SCALE(in_mix_tlv, -1200, 600, 0);
 418 
 419 /* Left In PGA Connections */
 420 static const struct snd_kcontrol_new wm8990_dapm_lin12_pga_controls[] = {
 421 SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0),
 422 SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0),
 423 };
 424 
 425 static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = {
 426 SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0),
 427 SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0),
 428 };
 429 
 430 /* Right In PGA Connections */
 431 static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = {
 432 SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0),
 433 SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0),
 434 };
 435 
 436 static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = {
 437 SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0),
 438 SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0),
 439 };
 440 
 441 /* INMIXL */
 442 static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = {
 443 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3,
 444         WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv),
 445 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT,
 446         7, 0, in_mix_tlv),
 447 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
 448         1, 0),
 449 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
 450         1, 0),
 451 };
 452 
 453 /* INMIXR */
 454 static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = {
 455 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4,
 456         WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv),
 457 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT,
 458         7, 0, in_mix_tlv),
 459 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
 460         1, 0),
 461 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
 462         1, 0),
 463 };
 464 
 465 /* AINLMUX */
 466 static const char *wm8990_ainlmux[] =
 467         {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
 468 
 469 static SOC_ENUM_SINGLE_DECL(wm8990_ainlmux_enum,
 470                             WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT,
 471                             wm8990_ainlmux);
 472 
 473 static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls =
 474 SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum);
 475 
 476 /* DIFFINL */
 477 
 478 /* AINRMUX */
 479 static const char *wm8990_ainrmux[] =
 480         {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
 481 
 482 static SOC_ENUM_SINGLE_DECL(wm8990_ainrmux_enum,
 483                             WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT,
 484                             wm8990_ainrmux);
 485 
 486 static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls =
 487 SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum);
 488 
 489 /* RXVOICE */
 490 static const struct snd_kcontrol_new wm8990_dapm_rxvoice_controls[] = {
 491 SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8990_INPUT_MIXER5, WM8990_LR4BVOL_SHIFT,
 492                         WM8990_LR4BVOL_MASK, 0, in_mix_tlv),
 493 SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8990_INPUT_MIXER6, WM8990_RL4BVOL_SHIFT,
 494                         WM8990_RL4BVOL_MASK, 0, in_mix_tlv),
 495 };
 496 
 497 /* LOMIX */
 498 static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = {
 499 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
 500         WM8990_LRBLO_BIT, 1, 0),
 501 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
 502         WM8990_LLBLO_BIT, 1, 0),
 503 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
 504         WM8990_LRI3LO_BIT, 1, 0),
 505 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
 506         WM8990_LLI3LO_BIT, 1, 0),
 507 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
 508         WM8990_LR12LO_BIT, 1, 0),
 509 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
 510         WM8990_LL12LO_BIT, 1, 0),
 511 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1,
 512         WM8990_LDLO_BIT, 1, 0),
 513 };
 514 
 515 /* ROMIX */
 516 static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = {
 517 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
 518         WM8990_RLBRO_BIT, 1, 0),
 519 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
 520         WM8990_RRBRO_BIT, 1, 0),
 521 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
 522         WM8990_RLI3RO_BIT, 1, 0),
 523 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
 524         WM8990_RRI3RO_BIT, 1, 0),
 525 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
 526         WM8990_RL12RO_BIT, 1, 0),
 527 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
 528         WM8990_RR12RO_BIT, 1, 0),
 529 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2,
 530         WM8990_RDRO_BIT, 1, 0),
 531 };
 532 
 533 /* LONMIX */
 534 static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = {
 535 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
 536         WM8990_LLOPGALON_BIT, 1, 0),
 537 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1,
 538         WM8990_LROPGALON_BIT, 1, 0),
 539 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1,
 540         WM8990_LOPLON_BIT, 1, 0),
 541 };
 542 
 543 /* LOPMIX */
 544 static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = {
 545 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1,
 546         WM8990_LR12LOP_BIT, 1, 0),
 547 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1,
 548         WM8990_LL12LOP_BIT, 1, 0),
 549 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
 550         WM8990_LLOPGALOP_BIT, 1, 0),
 551 };
 552 
 553 /* RONMIX */
 554 static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = {
 555 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
 556         WM8990_RROPGARON_BIT, 1, 0),
 557 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2,
 558         WM8990_RLOPGARON_BIT, 1, 0),
 559 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2,
 560         WM8990_ROPRON_BIT, 1, 0),
 561 };
 562 
 563 /* ROPMIX */
 564 static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = {
 565 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2,
 566         WM8990_RL12ROP_BIT, 1, 0),
 567 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2,
 568         WM8990_RR12ROP_BIT, 1, 0),
 569 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
 570         WM8990_RROPGAROP_BIT, 1, 0),
 571 };
 572 
 573 /* OUT3MIX */
 574 static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = {
 575 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
 576         WM8990_LI4O3_BIT, 1, 0),
 577 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER,
 578         WM8990_LPGAO3_BIT, 1, 0),
 579 };
 580 
 581 /* OUT4MIX */
 582 static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = {
 583 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER,
 584         WM8990_RPGAO4_BIT, 1, 0),
 585 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
 586         WM8990_RI4O4_BIT, 1, 0),
 587 };
 588 
 589 /* SPKMIX */
 590 static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = {
 591 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
 592         WM8990_LI2SPK_BIT, 1, 0),
 593 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER,
 594         WM8990_LB2SPK_BIT, 1, 0),
 595 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER,
 596         WM8990_LOPGASPK_BIT, 1, 0),
 597 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER,
 598         WM8990_LDSPK_BIT, 1, 0),
 599 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER,
 600         WM8990_RDSPK_BIT, 1, 0),
 601 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER,
 602         WM8990_ROPGASPK_BIT, 1, 0),
 603 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER,
 604         WM8990_RL12ROP_BIT, 1, 0),
 605 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
 606         WM8990_RI2SPK_BIT, 1, 0),
 607 };
 608 
 609 static const struct snd_soc_dapm_widget wm8990_dapm_widgets[] = {
 610 /* Input Side */
 611 /* Input Lines */
 612 SND_SOC_DAPM_INPUT("LIN1"),
 613 SND_SOC_DAPM_INPUT("LIN2"),
 614 SND_SOC_DAPM_INPUT("LIN3"),
 615 SND_SOC_DAPM_INPUT("LIN4/RXN"),
 616 SND_SOC_DAPM_INPUT("RIN3"),
 617 SND_SOC_DAPM_INPUT("RIN4/RXP"),
 618 SND_SOC_DAPM_INPUT("RIN1"),
 619 SND_SOC_DAPM_INPUT("RIN2"),
 620 SND_SOC_DAPM_INPUT("Internal ADC Source"),
 621 
 622 SND_SOC_DAPM_SUPPLY("INL", WM8990_POWER_MANAGEMENT_2, WM8990_AINL_ENA_BIT, 0,
 623                     NULL, 0),
 624 SND_SOC_DAPM_SUPPLY("INR", WM8990_POWER_MANAGEMENT_2, WM8990_AINR_ENA_BIT, 0,
 625                     NULL, 0),
 626 
 627 /* DACs */
 628 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8990_POWER_MANAGEMENT_2,
 629         WM8990_ADCL_ENA_BIT, 0),
 630 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2,
 631         WM8990_ADCR_ENA_BIT, 0),
 632 
 633 /* Input PGAs */
 634 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT,
 635         0, &wm8990_dapm_lin12_pga_controls[0],
 636         ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)),
 637 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT,
 638         0, &wm8990_dapm_lin34_pga_controls[0],
 639         ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)),
 640 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT,
 641         0, &wm8990_dapm_rin12_pga_controls[0],
 642         ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)),
 643 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT,
 644         0, &wm8990_dapm_rin34_pga_controls[0],
 645         ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)),
 646 
 647 /* INMIXL */
 648 SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
 649         &wm8990_dapm_inmixl_controls[0],
 650         ARRAY_SIZE(wm8990_dapm_inmixl_controls)),
 651 
 652 /* AINLMUX */
 653 SND_SOC_DAPM_MUX("AINLMUX", SND_SOC_NOPM, 0, 0, &wm8990_dapm_ainlmux_controls),
 654 
 655 /* INMIXR */
 656 SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
 657         &wm8990_dapm_inmixr_controls[0],
 658         ARRAY_SIZE(wm8990_dapm_inmixr_controls)),
 659 
 660 /* AINRMUX */
 661 SND_SOC_DAPM_MUX("AINRMUX", SND_SOC_NOPM, 0, 0, &wm8990_dapm_ainrmux_controls),
 662 
 663 /* Output Side */
 664 /* DACs */
 665 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8990_POWER_MANAGEMENT_3,
 666         WM8990_DACL_ENA_BIT, 0),
 667 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3,
 668         WM8990_DACR_ENA_BIT, 0),
 669 
 670 /* LOMIX */
 671 SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT,
 672         0, &wm8990_dapm_lomix_controls[0],
 673         ARRAY_SIZE(wm8990_dapm_lomix_controls),
 674         outmixer_event, SND_SOC_DAPM_PRE_REG),
 675 
 676 /* LONMIX */
 677 SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0,
 678         &wm8990_dapm_lonmix_controls[0],
 679         ARRAY_SIZE(wm8990_dapm_lonmix_controls)),
 680 
 681 /* LOPMIX */
 682 SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0,
 683         &wm8990_dapm_lopmix_controls[0],
 684         ARRAY_SIZE(wm8990_dapm_lopmix_controls)),
 685 
 686 /* OUT3MIX */
 687 SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0,
 688         &wm8990_dapm_out3mix_controls[0],
 689         ARRAY_SIZE(wm8990_dapm_out3mix_controls)),
 690 
 691 /* SPKMIX */
 692 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0,
 693         &wm8990_dapm_spkmix_controls[0],
 694         ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event,
 695         SND_SOC_DAPM_PRE_REG),
 696 
 697 /* OUT4MIX */
 698 SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0,
 699         &wm8990_dapm_out4mix_controls[0],
 700         ARRAY_SIZE(wm8990_dapm_out4mix_controls)),
 701 
 702 /* ROPMIX */
 703 SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0,
 704         &wm8990_dapm_ropmix_controls[0],
 705         ARRAY_SIZE(wm8990_dapm_ropmix_controls)),
 706 
 707 /* RONMIX */
 708 SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0,
 709         &wm8990_dapm_ronmix_controls[0],
 710         ARRAY_SIZE(wm8990_dapm_ronmix_controls)),
 711 
 712 /* ROMIX */
 713 SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT,
 714         0, &wm8990_dapm_romix_controls[0],
 715         ARRAY_SIZE(wm8990_dapm_romix_controls),
 716         outmixer_event, SND_SOC_DAPM_PRE_REG),
 717 
 718 /* LOUT PGA */
 719 SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0,
 720         NULL, 0),
 721 
 722 /* ROUT PGA */
 723 SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0,
 724         NULL, 0),
 725 
 726 /* LOPGA */
 727 SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0,
 728         NULL, 0),
 729 
 730 /* ROPGA */
 731 SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0,
 732         NULL, 0),
 733 
 734 /* MICBIAS */
 735 SND_SOC_DAPM_SUPPLY("MICBIAS", WM8990_POWER_MANAGEMENT_1,
 736                     WM8990_MICBIAS_ENA_BIT, 0, NULL, 0),
 737 
 738 SND_SOC_DAPM_OUTPUT("LON"),
 739 SND_SOC_DAPM_OUTPUT("LOP"),
 740 SND_SOC_DAPM_OUTPUT("OUT3"),
 741 SND_SOC_DAPM_OUTPUT("LOUT"),
 742 SND_SOC_DAPM_OUTPUT("SPKN"),
 743 SND_SOC_DAPM_OUTPUT("SPKP"),
 744 SND_SOC_DAPM_OUTPUT("ROUT"),
 745 SND_SOC_DAPM_OUTPUT("OUT4"),
 746 SND_SOC_DAPM_OUTPUT("ROP"),
 747 SND_SOC_DAPM_OUTPUT("RON"),
 748 
 749 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
 750 };
 751 
 752 static const struct snd_soc_dapm_route wm8990_dapm_routes[] = {
 753         /* Make DACs turn on when playing even if not mixed into any outputs */
 754         {"Internal DAC Sink", NULL, "Left DAC"},
 755         {"Internal DAC Sink", NULL, "Right DAC"},
 756 
 757         /* Make ADCs turn on when recording even if not mixed from any inputs */
 758         {"Left ADC", NULL, "Internal ADC Source"},
 759         {"Right ADC", NULL, "Internal ADC Source"},
 760 
 761         {"AINLMUX", NULL, "INL"},
 762         {"INMIXL", NULL, "INL"},
 763         {"AINRMUX", NULL, "INR"},
 764         {"INMIXR", NULL, "INR"},
 765 
 766         /* Input Side */
 767         /* LIN12 PGA */
 768         {"LIN12 PGA", "LIN1 Switch", "LIN1"},
 769         {"LIN12 PGA", "LIN2 Switch", "LIN2"},
 770         /* LIN34 PGA */
 771         {"LIN34 PGA", "LIN3 Switch", "LIN3"},
 772         {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
 773         /* INMIXL */
 774         {"INMIXL", "Record Left Volume", "LOMIX"},
 775         {"INMIXL", "LIN2 Volume", "LIN2"},
 776         {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
 777         {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
 778         /* AINLMUX */
 779         {"AINLMUX", "INMIXL Mix", "INMIXL"},
 780         {"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
 781         {"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
 782         {"AINLMUX", "RXVOICE Mix", "LIN4/RXN"},
 783         {"AINLMUX", "RXVOICE Mix", "RIN4/RXP"},
 784         /* ADC */
 785         {"Left ADC", NULL, "AINLMUX"},
 786 
 787         /* RIN12 PGA */
 788         {"RIN12 PGA", "RIN1 Switch", "RIN1"},
 789         {"RIN12 PGA", "RIN2 Switch", "RIN2"},
 790         /* RIN34 PGA */
 791         {"RIN34 PGA", "RIN3 Switch", "RIN3"},
 792         {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
 793         /* INMIXL */
 794         {"INMIXR", "Record Right Volume", "ROMIX"},
 795         {"INMIXR", "RIN2 Volume", "RIN2"},
 796         {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
 797         {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
 798         /* AINRMUX */
 799         {"AINRMUX", "INMIXR Mix", "INMIXR"},
 800         {"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
 801         {"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
 802         {"AINRMUX", "RXVOICE Mix", "LIN4/RXN"},
 803         {"AINRMUX", "RXVOICE Mix", "RIN4/RXP"},
 804         /* ADC */
 805         {"Right ADC", NULL, "AINRMUX"},
 806 
 807         /* LOMIX */
 808         {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
 809         {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
 810         {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 811         {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 812         {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
 813         {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
 814         {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
 815 
 816         /* ROMIX */
 817         {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
 818         {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
 819         {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 820         {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 821         {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
 822         {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
 823         {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
 824 
 825         /* SPKMIX */
 826         {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
 827         {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
 828         {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
 829         {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
 830         {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
 831         {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
 832         {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
 833         {"SPKMIX", "SPKMIX Left DAC Switch", "Left DAC"},
 834 
 835         /* LONMIX */
 836         {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
 837         {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
 838         {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
 839 
 840         /* LOPMIX */
 841         {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 842         {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 843         {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
 844 
 845         /* OUT3MIX */
 846         {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
 847         {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
 848 
 849         /* OUT4MIX */
 850         {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
 851         {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
 852 
 853         /* RONMIX */
 854         {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
 855         {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
 856         {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
 857 
 858         /* ROPMIX */
 859         {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 860         {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 861         {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
 862 
 863         /* Out Mixer PGAs */
 864         {"LOPGA", NULL, "LOMIX"},
 865         {"ROPGA", NULL, "ROMIX"},
 866 
 867         {"LOUT PGA", NULL, "LOMIX"},
 868         {"ROUT PGA", NULL, "ROMIX"},
 869 
 870         /* Output Pins */
 871         {"LON", NULL, "LONMIX"},
 872         {"LOP", NULL, "LOPMIX"},
 873         {"OUT3", NULL, "OUT3MIX"},
 874         {"LOUT", NULL, "LOUT PGA"},
 875         {"SPKN", NULL, "SPKMIX"},
 876         {"ROUT", NULL, "ROUT PGA"},
 877         {"OUT4", NULL, "OUT4MIX"},
 878         {"ROP", NULL, "ROPMIX"},
 879         {"RON", NULL, "RONMIX"},
 880 };
 881 
 882 /* PLL divisors */
 883 struct _pll_div {
 884         u32 div2;
 885         u32 n;
 886         u32 k;
 887 };
 888 
 889 /* The size in bits of the pll divide multiplied by 10
 890  * to allow rounding later */
 891 #define FIXED_PLL_SIZE ((1 << 16) * 10)
 892 
 893 static void pll_factors(struct _pll_div *pll_div, unsigned int target,
 894         unsigned int source)
 895 {
 896         u64 Kpart;
 897         unsigned int K, Ndiv, Nmod;
 898 
 899 
 900         Ndiv = target / source;
 901         if (Ndiv < 6) {
 902                 source >>= 1;
 903                 pll_div->div2 = 1;
 904                 Ndiv = target / source;
 905         } else
 906                 pll_div->div2 = 0;
 907 
 908         if ((Ndiv < 6) || (Ndiv > 12))
 909                 printk(KERN_WARNING
 910                 "WM8990 N value outwith recommended range! N = %u\n", Ndiv);
 911 
 912         pll_div->n = Ndiv;
 913         Nmod = target % source;
 914         Kpart = FIXED_PLL_SIZE * (long long)Nmod;
 915 
 916         do_div(Kpart, source);
 917 
 918         K = Kpart & 0xFFFFFFFF;
 919 
 920         /* Check if we need to round */
 921         if ((K % 10) >= 5)
 922                 K += 5;
 923 
 924         /* Move down to proper range now rounding is done */
 925         K /= 10;
 926 
 927         pll_div->k = K;
 928 }
 929 
 930 static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
 931                 int source, unsigned int freq_in, unsigned int freq_out)
 932 {
 933         struct snd_soc_component *component = codec_dai->component;
 934         struct _pll_div pll_div;
 935 
 936         if (freq_in && freq_out) {
 937                 pll_factors(&pll_div, freq_out * 4, freq_in);
 938 
 939                 /* Turn on PLL */
 940                 snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_2,
 941                                     WM8990_PLL_ENA, WM8990_PLL_ENA);
 942 
 943                 /* sysclk comes from PLL */
 944                 snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
 945                                     WM8990_SYSCLK_SRC, WM8990_SYSCLK_SRC);
 946 
 947                 /* set up N , fractional mode and pre-divisor if necessary */
 948                 snd_soc_component_write(component, WM8990_PLL1, pll_div.n | WM8990_SDM |
 949                         (pll_div.div2?WM8990_PRESCALE:0));
 950                 snd_soc_component_write(component, WM8990_PLL2, (u8)(pll_div.k>>8));
 951                 snd_soc_component_write(component, WM8990_PLL3, (u8)(pll_div.k & 0xFF));
 952         } else {
 953                 /* Turn off PLL */
 954                 snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_2,
 955                                     WM8990_PLL_ENA, 0);
 956         }
 957         return 0;
 958 }
 959 
 960 /*
 961  * Clock after PLL and dividers
 962  */
 963 static int wm8990_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 964                 int clk_id, unsigned int freq, int dir)
 965 {
 966         struct snd_soc_component *component = codec_dai->component;
 967         struct wm8990_priv *wm8990 = snd_soc_component_get_drvdata(component);
 968 
 969         wm8990->sysclk = freq;
 970         return 0;
 971 }
 972 
 973 /*
 974  * Set's ADC and Voice DAC format.
 975  */
 976 static int wm8990_set_dai_fmt(struct snd_soc_dai *codec_dai,
 977                 unsigned int fmt)
 978 {
 979         struct snd_soc_component *component = codec_dai->component;
 980         u16 audio1, audio3;
 981 
 982         audio1 = snd_soc_component_read32(component, WM8990_AUDIO_INTERFACE_1);
 983         audio3 = snd_soc_component_read32(component, WM8990_AUDIO_INTERFACE_3);
 984 
 985         /* set master/slave audio interface */
 986         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 987         case SND_SOC_DAIFMT_CBS_CFS:
 988                 audio3 &= ~WM8990_AIF_MSTR1;
 989                 break;
 990         case SND_SOC_DAIFMT_CBM_CFM:
 991                 audio3 |= WM8990_AIF_MSTR1;
 992                 break;
 993         default:
 994                 return -EINVAL;
 995         }
 996 
 997         audio1 &= ~WM8990_AIF_FMT_MASK;
 998 
 999         /* interface format */
1000         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1001         case SND_SOC_DAIFMT_I2S:
1002                 audio1 |= WM8990_AIF_TMF_I2S;
1003                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1004                 break;
1005         case SND_SOC_DAIFMT_RIGHT_J:
1006                 audio1 |= WM8990_AIF_TMF_RIGHTJ;
1007                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1008                 break;
1009         case SND_SOC_DAIFMT_LEFT_J:
1010                 audio1 |= WM8990_AIF_TMF_LEFTJ;
1011                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1012                 break;
1013         case SND_SOC_DAIFMT_DSP_A:
1014                 audio1 |= WM8990_AIF_TMF_DSP;
1015                 audio1 &= ~WM8990_AIF_LRCLK_INV;
1016                 break;
1017         case SND_SOC_DAIFMT_DSP_B:
1018                 audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV;
1019                 break;
1020         default:
1021                 return -EINVAL;
1022         }
1023 
1024         snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_1, audio1);
1025         snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_3, audio3);
1026         return 0;
1027 }
1028 
1029 static int wm8990_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1030                 int div_id, int div)
1031 {
1032         struct snd_soc_component *component = codec_dai->component;
1033 
1034         switch (div_id) {
1035         case WM8990_MCLK_DIV:
1036                 snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
1037                                     WM8990_MCLK_DIV_MASK, div);
1038                 break;
1039         case WM8990_DACCLK_DIV:
1040                 snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
1041                                     WM8990_DAC_CLKDIV_MASK, div);
1042                 break;
1043         case WM8990_ADCCLK_DIV:
1044                 snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
1045                                     WM8990_ADC_CLKDIV_MASK, div);
1046                 break;
1047         case WM8990_BCLK_DIV:
1048                 snd_soc_component_update_bits(component, WM8990_CLOCKING_1,
1049                                     WM8990_BCLK_DIV_MASK, div);
1050                 break;
1051         default:
1052                 return -EINVAL;
1053         }
1054 
1055         return 0;
1056 }
1057 
1058 /*
1059  * Set PCM DAI bit size and sample rate.
1060  */
1061 static int wm8990_hw_params(struct snd_pcm_substream *substream,
1062                             struct snd_pcm_hw_params *params,
1063                             struct snd_soc_dai *dai)
1064 {
1065         struct snd_soc_component *component = dai->component;
1066         u16 audio1 = snd_soc_component_read32(component, WM8990_AUDIO_INTERFACE_1);
1067 
1068         audio1 &= ~WM8990_AIF_WL_MASK;
1069         /* bit size */
1070         switch (params_width(params)) {
1071         case 16:
1072                 break;
1073         case 20:
1074                 audio1 |= WM8990_AIF_WL_20BITS;
1075                 break;
1076         case 24:
1077                 audio1 |= WM8990_AIF_WL_24BITS;
1078                 break;
1079         case 32:
1080                 audio1 |= WM8990_AIF_WL_32BITS;
1081                 break;
1082         }
1083 
1084         snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_1, audio1);
1085         return 0;
1086 }
1087 
1088 static int wm8990_mute(struct snd_soc_dai *dai, int mute)
1089 {
1090         struct snd_soc_component *component = dai->component;
1091         u16 val;
1092 
1093         val  = snd_soc_component_read32(component, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE;
1094 
1095         if (mute)
1096                 snd_soc_component_write(component, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1097         else
1098                 snd_soc_component_write(component, WM8990_DAC_CTRL, val);
1099 
1100         return 0;
1101 }
1102 
1103 static int wm8990_set_bias_level(struct snd_soc_component *component,
1104         enum snd_soc_bias_level level)
1105 {
1106         struct wm8990_priv *wm8990 = snd_soc_component_get_drvdata(component);
1107         int ret;
1108 
1109         switch (level) {
1110         case SND_SOC_BIAS_ON:
1111                 break;
1112 
1113         case SND_SOC_BIAS_PREPARE:
1114                 /* VMID=2*50k */
1115                 snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_1,
1116                                     WM8990_VMID_MODE_MASK, 0x2);
1117                 break;
1118 
1119         case SND_SOC_BIAS_STANDBY:
1120                 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1121                         ret = regcache_sync(wm8990->regmap);
1122                         if (ret < 0) {
1123                                 dev_err(component->dev, "Failed to sync cache: %d\n", ret);
1124                                 return ret;
1125                         }
1126 
1127                         /* Enable all output discharge bits */
1128                         snd_soc_component_write(component, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1129                                 WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1130                                 WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1131                                 WM8990_DIS_ROUT);
1132 
1133                         /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1134                         snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1135                                      WM8990_BUFDCOPEN | WM8990_POBCTRL |
1136                                      WM8990_VMIDTOG);
1137 
1138                         /* Delay to allow output caps to discharge */
1139                         msleep(300);
1140 
1141                         /* Disable VMIDTOG */
1142                         snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1143                                      WM8990_BUFDCOPEN | WM8990_POBCTRL);
1144 
1145                         /* disable all output discharge bits */
1146                         snd_soc_component_write(component, WM8990_ANTIPOP1, 0);
1147 
1148                         /* Enable outputs */
1149                         snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1b00);
1150 
1151                         msleep(50);
1152 
1153                         /* Enable VMID at 2x50k */
1154                         snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f02);
1155 
1156                         msleep(100);
1157 
1158                         /* Enable VREF */
1159                         snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1160 
1161                         msleep(600);
1162 
1163                         /* Enable BUFIOEN */
1164                         snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1165                                      WM8990_BUFDCOPEN | WM8990_POBCTRL |
1166                                      WM8990_BUFIOEN);
1167 
1168                         /* Disable outputs */
1169                         snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x3);
1170 
1171                         /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1172                         snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_BUFIOEN);
1173 
1174                         /* Enable workaround for ADC clocking issue. */
1175                         snd_soc_component_write(component, WM8990_EXT_ACCESS_ENA, 0x2);
1176                         snd_soc_component_write(component, WM8990_EXT_CTL1, 0xa003);
1177                         snd_soc_component_write(component, WM8990_EXT_ACCESS_ENA, 0);
1178                 }
1179 
1180                 /* VMID=2*250k */
1181                 snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_1,
1182                                     WM8990_VMID_MODE_MASK, 0x4);
1183                 break;
1184 
1185         case SND_SOC_BIAS_OFF:
1186                 /* Enable POBCTRL and SOFT_ST */
1187                 snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1188                         WM8990_POBCTRL | WM8990_BUFIOEN);
1189 
1190                 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1191                 snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1192                         WM8990_BUFDCOPEN | WM8990_POBCTRL |
1193                         WM8990_BUFIOEN);
1194 
1195                 /* mute DAC */
1196                 snd_soc_component_update_bits(component, WM8990_DAC_CTRL,
1197                                     WM8990_DAC_MUTE, WM8990_DAC_MUTE);
1198 
1199                 /* Enable any disabled outputs */
1200                 snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1201 
1202                 /* Disable VMID */
1203                 snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f01);
1204 
1205                 msleep(300);
1206 
1207                 /* Enable all output discharge bits */
1208                 snd_soc_component_write(component, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1209                         WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1210                         WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1211                         WM8990_DIS_ROUT);
1212 
1213                 /* Disable VREF */
1214                 snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x0);
1215 
1216                 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1217                 snd_soc_component_write(component, WM8990_ANTIPOP2, 0x0);
1218 
1219                 regcache_mark_dirty(wm8990->regmap);
1220                 break;
1221         }
1222 
1223         return 0;
1224 }
1225 
1226 #define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1227         SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
1228         SNDRV_PCM_RATE_48000)
1229 
1230 #define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1231         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1232 
1233 /*
1234  * The WM8990 supports 2 different and mutually exclusive DAI
1235  * configurations.
1236  *
1237  * 1. ADC/DAC on Primary Interface
1238  * 2. ADC on Primary Interface/DAC on secondary
1239  */
1240 static const struct snd_soc_dai_ops wm8990_dai_ops = {
1241         .hw_params      = wm8990_hw_params,
1242         .digital_mute   = wm8990_mute,
1243         .set_fmt        = wm8990_set_dai_fmt,
1244         .set_clkdiv     = wm8990_set_dai_clkdiv,
1245         .set_pll        = wm8990_set_dai_pll,
1246         .set_sysclk     = wm8990_set_dai_sysclk,
1247 };
1248 
1249 static struct snd_soc_dai_driver wm8990_dai = {
1250 /* ADC/DAC on primary */
1251         .name = "wm8990-hifi",
1252         .playback = {
1253                 .stream_name = "Playback",
1254                 .channels_min = 1,
1255                 .channels_max = 2,
1256                 .rates = WM8990_RATES,
1257                 .formats = WM8990_FORMATS,},
1258         .capture = {
1259                 .stream_name = "Capture",
1260                 .channels_min = 1,
1261                 .channels_max = 2,
1262                 .rates = WM8990_RATES,
1263                 .formats = WM8990_FORMATS,},
1264         .ops = &wm8990_dai_ops,
1265 };
1266 
1267 /*
1268  * initialise the WM8990 driver
1269  * register the mixer and dsp interfaces with the kernel
1270  */
1271 static int wm8990_probe(struct snd_soc_component *component)
1272 {
1273         wm8990_reset(component);
1274 
1275         /* charge output caps */
1276         snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
1277 
1278         snd_soc_component_update_bits(component, WM8990_AUDIO_INTERFACE_4,
1279                             WM8990_ALRCGPIO1, WM8990_ALRCGPIO1);
1280 
1281         snd_soc_component_update_bits(component, WM8990_GPIO1_GPIO2,
1282                             WM8990_GPIO1_SEL_MASK, 1);
1283 
1284         snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_2,
1285                             WM8990_OPCLK_ENA, WM8990_OPCLK_ENA);
1286 
1287         snd_soc_component_write(component, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1288         snd_soc_component_write(component, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1289 
1290         return 0;
1291 }
1292 
1293 static const struct snd_soc_component_driver soc_component_dev_wm8990 = {
1294         .probe                  = wm8990_probe,
1295         .set_bias_level         = wm8990_set_bias_level,
1296         .controls               = wm8990_snd_controls,
1297         .num_controls           = ARRAY_SIZE(wm8990_snd_controls),
1298         .dapm_widgets           = wm8990_dapm_widgets,
1299         .num_dapm_widgets       = ARRAY_SIZE(wm8990_dapm_widgets),
1300         .dapm_routes            = wm8990_dapm_routes,
1301         .num_dapm_routes        = ARRAY_SIZE(wm8990_dapm_routes),
1302         .suspend_bias_off       = 1,
1303         .idle_bias_on           = 1,
1304         .use_pmdown_time        = 1,
1305         .endianness             = 1,
1306         .non_legacy_dai_naming  = 1,
1307 };
1308 
1309 static const struct regmap_config wm8990_regmap = {
1310         .reg_bits = 8,
1311         .val_bits = 16,
1312 
1313         .max_register = WM8990_PLL3,
1314         .volatile_reg = wm8990_volatile_register,
1315         .reg_defaults = wm8990_reg_defaults,
1316         .num_reg_defaults = ARRAY_SIZE(wm8990_reg_defaults),
1317         .cache_type = REGCACHE_RBTREE,
1318 };
1319 
1320 static int wm8990_i2c_probe(struct i2c_client *i2c,
1321                             const struct i2c_device_id *id)
1322 {
1323         struct wm8990_priv *wm8990;
1324         int ret;
1325 
1326         wm8990 = devm_kzalloc(&i2c->dev, sizeof(struct wm8990_priv),
1327                               GFP_KERNEL);
1328         if (wm8990 == NULL)
1329                 return -ENOMEM;
1330 
1331         i2c_set_clientdata(i2c, wm8990);
1332 
1333         ret = devm_snd_soc_register_component(&i2c->dev,
1334                         &soc_component_dev_wm8990, &wm8990_dai, 1);
1335 
1336         return ret;
1337 }
1338 
1339 static const struct i2c_device_id wm8990_i2c_id[] = {
1340         { "wm8990", 0 },
1341         { }
1342 };
1343 MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id);
1344 
1345 static struct i2c_driver wm8990_i2c_driver = {
1346         .driver = {
1347                 .name = "wm8990",
1348         },
1349         .probe =    wm8990_i2c_probe,
1350         .id_table = wm8990_i2c_id,
1351 };
1352 
1353 module_i2c_driver(wm8990_i2c_driver);
1354 
1355 MODULE_DESCRIPTION("ASoC WM8990 driver");
1356 MODULE_AUTHOR("Liam Girdwood");
1357 MODULE_LICENSE("GPL");
/* [<][>][^][v][top][bottom][index][help] */
root/sound/soc/codecs/wm8990.c

DEFINITIONS
