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v6.13.7
   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * wm8400.c  --  WM8400 ALSA Soc Audio driver
   4 *
   5 * Copyright 2008-11 Wolfson Microelectronics PLC.
   6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
 
 
 
 
 
 
   7 */
   8
   9#include <linux/module.h>
  10#include <linux/moduleparam.h>
  11#include <linux/kernel.h>
  12#include <linux/slab.h>
  13#include <linux/init.h>
  14#include <linux/delay.h>
  15#include <linux/pm.h>
  16#include <linux/platform_device.h>
  17#include <linux/regulator/consumer.h>
  18#include <linux/mfd/wm8400-audio.h>
  19#include <linux/mfd/wm8400-private.h>
  20#include <linux/mfd/core.h>
  21#include <sound/core.h>
  22#include <sound/pcm.h>
  23#include <sound/pcm_params.h>
  24#include <sound/soc.h>
  25#include <sound/initval.h>
  26#include <sound/tlv.h>
  27
  28#include "wm8400.h"
  29
 
 
 
 
 
 
 
  30static struct regulator_bulk_data power[] = {
  31	{
  32		.supply = "I2S1VDD",
  33	},
  34	{
  35		.supply = "I2S2VDD",
  36	},
  37	{
  38		.supply = "DCVDD",
  39	},
  40	{
  41		.supply = "AVDD",
  42	},
  43	{
  44		.supply = "FLLVDD",
  45	},
  46	{
  47		.supply = "HPVDD",
  48	},
  49	{
  50		.supply = "SPKVDD",
  51	},
  52};
  53
  54/* codec private data */
  55struct wm8400_priv {
 
  56	struct wm8400 *wm8400;
  57	u16 fake_register;
  58	unsigned int sysclk;
  59	unsigned int pcmclk;
 
  60	int fll_in, fll_out;
  61};
  62
  63static void wm8400_component_reset(struct snd_soc_component *component)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  64{
  65	struct wm8400_priv *wm8400 = snd_soc_component_get_drvdata(component);
  66
  67	wm8400_reset_codec_reg_cache(wm8400->wm8400);
  68}
  69
 
 
  70static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
  71
  72static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -2100, 0, 0);
  73
  74static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
  75
 
 
  76static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
  77
  78static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
  79
  80static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
  81
  82static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
  83        struct snd_ctl_elem_value *ucontrol)
  84{
  85	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
  86	struct soc_mixer_control *mc =
  87		(struct soc_mixer_control *)kcontrol->private_value;
  88	int reg = mc->reg;
  89        int ret;
  90        u16 val;
  91
  92        ret = snd_soc_put_volsw(kcontrol, ucontrol);
  93        if (ret < 0)
  94                return ret;
  95
  96        /* now hit the volume update bits (always bit 8) */
  97	val = snd_soc_component_read(component, reg);
  98        return snd_soc_component_write(component, reg, val | 0x0100);
  99}
 100
 101#define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \
 102	SOC_SINGLE_EXT_TLV(xname, reg, shift, max, invert, \
 103		snd_soc_get_volsw, wm8400_outpga_put_volsw_vu, tlv_array)
 
 
 
 
 
 104
 105
 106static const char *wm8400_digital_sidetone[] =
 107	{"None", "Left ADC", "Right ADC", "Reserved"};
 108
 109static SOC_ENUM_SINGLE_DECL(wm8400_left_digital_sidetone_enum,
 110			    WM8400_DIGITAL_SIDE_TONE,
 111			    WM8400_ADC_TO_DACL_SHIFT,
 112			    wm8400_digital_sidetone);
 113
 114static SOC_ENUM_SINGLE_DECL(wm8400_right_digital_sidetone_enum,
 115			    WM8400_DIGITAL_SIDE_TONE,
 116			    WM8400_ADC_TO_DACR_SHIFT,
 117			    wm8400_digital_sidetone);
 118
 119static const char *wm8400_adcmode[] =
 120	{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
 121
 122static SOC_ENUM_SINGLE_DECL(wm8400_right_adcmode_enum,
 123			    WM8400_ADC_CTRL,
 124			    WM8400_ADC_HPF_CUT_SHIFT,
 125			    wm8400_adcmode);
 126
 127static const struct snd_kcontrol_new wm8400_snd_controls[] = {
 128/* INMIXL */
 129SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT,
 130	   1, 0),
 131SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT,
 132	   1, 0),
 133/* INMIXR */
 134SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT,
 135	   1, 0),
 136SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT,
 137	   1, 0),
 138
 139/* LOMIX */
 140SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3,
 141	WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
 142SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
 143	WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv),
 144SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
 145	WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv),
 146SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5,
 147	WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
 148SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
 149	WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
 150SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
 151	WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
 152
 153/* ROMIX */
 154SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4,
 155	WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
 156SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
 157	WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv),
 158SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
 159	WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv),
 160SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6,
 161	WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
 162SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
 163	WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv),
 164SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
 165	WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv),
 166
 167/* LOUT */
 168WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME,
 169	WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv),
 170SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0),
 171
 172/* ROUT */
 173WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME,
 174	WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv),
 175SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0),
 176
 177/* LOPGA */
 178WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME,
 179	WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv),
 180SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME,
 181	WM8400_LOPGAZC_SHIFT, 1, 0),
 182
 183/* ROPGA */
 184WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME,
 185	WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv),
 186SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME,
 187	WM8400_ROPGAZC_SHIFT, 1, 0),
 188
 189SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 190	WM8400_LONMUTE_SHIFT, 1, 0),
 191SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 192	WM8400_LOPMUTE_SHIFT, 1, 0),
 193SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
 194	WM8400_LOATTN_SHIFT, 1, 0),
 195SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 196	WM8400_RONMUTE_SHIFT, 1, 0),
 197SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 198	WM8400_ROPMUTE_SHIFT, 1, 0),
 199SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
 200	WM8400_ROATTN_SHIFT, 1, 0),
 201
 202SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME,
 203	WM8400_OUT3MUTE_SHIFT, 1, 0),
 204SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME,
 205	WM8400_OUT3ATTN_SHIFT, 1, 0),
 206
 207SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME,
 208	WM8400_OUT4MUTE_SHIFT, 1, 0),
 209SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME,
 210	WM8400_OUT4ATTN_SHIFT, 1, 0),
 211
 212SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1,
 213	WM8400_CDMODE_SHIFT, 1, 0),
 214
 215SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME,
 216	WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0),
 217SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3,
 218	WM8400_DCGAIN_SHIFT, 6, 0),
 219SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3,
 220	WM8400_ACGAIN_SHIFT, 6, 0),
 221
 222WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
 223	WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT,
 224	127, 0, out_dac_tlv),
 225
 226WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
 227	WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT,
 228	127, 0, out_dac_tlv),
 229
 230SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum),
 231SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum),
 232
 233SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
 234	WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
 235SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
 236	WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
 237
 238SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL,
 239	WM8400_ADC_HPF_ENA_SHIFT, 1, 0),
 240
 241SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum),
 242
 243WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
 244	WM8400_LEFT_ADC_DIGITAL_VOLUME,
 245	WM8400_ADCL_VOL_SHIFT,
 246	WM8400_ADCL_VOL_MASK,
 247	0,
 248	in_adc_tlv),
 249
 250WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
 251	WM8400_RIGHT_ADC_DIGITAL_VOLUME,
 252	WM8400_ADCR_VOL_SHIFT,
 253	WM8400_ADCR_VOL_MASK,
 254	0,
 255	in_adc_tlv),
 256
 257WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
 258	WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 259	WM8400_LIN12VOL_SHIFT,
 260	WM8400_LIN12VOL_MASK,
 261	0,
 262	in_pga_tlv),
 263
 264SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 265	WM8400_LI12ZC_SHIFT, 1, 0),
 266
 267SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 268	WM8400_LI12MUTE_SHIFT, 1, 0),
 269
 270WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
 271	WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 272	WM8400_LIN34VOL_SHIFT,
 273	WM8400_LIN34VOL_MASK,
 274	0,
 275	in_pga_tlv),
 276
 277SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 278	WM8400_LI34ZC_SHIFT, 1, 0),
 279
 280SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 281	WM8400_LI34MUTE_SHIFT, 1, 0),
 282
 283WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
 284	WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 285	WM8400_RIN12VOL_SHIFT,
 286	WM8400_RIN12VOL_MASK,
 287	0,
 288	in_pga_tlv),
 289
 290SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 291	WM8400_RI12ZC_SHIFT, 1, 0),
 292
 293SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 294	WM8400_RI12MUTE_SHIFT, 1, 0),
 295
 296WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
 297	WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 298	WM8400_RIN34VOL_SHIFT,
 299	WM8400_RIN34VOL_MASK,
 300	0,
 301	in_pga_tlv),
 302
 303SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 304	WM8400_RI34ZC_SHIFT, 1, 0),
 305
 306SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 307	WM8400_RI34MUTE_SHIFT, 1, 0),
 308
 309};
 310
 311/*
 312 * _DAPM_ Controls
 313 */
 314
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 315static int outmixer_event (struct snd_soc_dapm_widget *w,
 316	struct snd_kcontrol * kcontrol, int event)
 317{
 318	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 319	struct soc_mixer_control *mc =
 320		(struct soc_mixer_control *)kcontrol->private_value;
 321	u32 reg_shift = mc->shift;
 322	int ret = 0;
 323	u16 reg;
 324
 325	switch (reg_shift) {
 326	case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) :
 327		reg = snd_soc_component_read(component, WM8400_OUTPUT_MIXER1);
 328		if (reg & WM8400_LDLO) {
 329			printk(KERN_WARNING
 330			"Cannot set as Output Mixer 1 LDLO Set\n");
 331			ret = -1;
 332		}
 333		break;
 334	case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8):
 335		reg = snd_soc_component_read(component, WM8400_OUTPUT_MIXER2);
 336		if (reg & WM8400_RDRO) {
 337			printk(KERN_WARNING
 338			"Cannot set as Output Mixer 2 RDRO Set\n");
 339			ret = -1;
 340		}
 341		break;
 342	case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8):
 343		reg = snd_soc_component_read(component, WM8400_SPEAKER_MIXER);
 344		if (reg & WM8400_LDSPK) {
 345			printk(KERN_WARNING
 346			"Cannot set as Speaker Mixer LDSPK Set\n");
 347			ret = -1;
 348		}
 349		break;
 350	case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8):
 351		reg = snd_soc_component_read(component, WM8400_SPEAKER_MIXER);
 352		if (reg & WM8400_RDSPK) {
 353			printk(KERN_WARNING
 354			"Cannot set as Speaker Mixer RDSPK Set\n");
 355			ret = -1;
 356		}
 357		break;
 358	}
 359
 360	return ret;
 361}
 362
 363/* INMIX dB values */
 364static const DECLARE_TLV_DB_SCALE(in_mix_tlv, -1200, 600, 0);
 
 
 
 365
 366/* Left In PGA Connections */
 367static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = {
 368SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0),
 369SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0),
 370};
 371
 372static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = {
 373SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0),
 374SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0),
 375};
 376
 377/* Right In PGA Connections */
 378static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = {
 379SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0),
 380SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0),
 381};
 382
 383static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = {
 384SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0),
 385SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0),
 386};
 387
 388/* INMIXL */
 389static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = {
 390SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3,
 391	WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv),
 392SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT,
 393	7, 0, in_mix_tlv),
 394SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
 395		1, 0),
 396SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
 397		1, 0),
 398};
 399
 400/* INMIXR */
 401static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = {
 402SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4,
 403	WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv),
 404SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT,
 405	7, 0, in_mix_tlv),
 406SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
 407	1, 0),
 408SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
 409	1, 0),
 410};
 411
 412/* AINLMUX */
 413static const char *wm8400_ainlmux[] =
 414	{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
 415
 416static SOC_ENUM_SINGLE_DECL(wm8400_ainlmux_enum,
 417			    WM8400_INPUT_MIXER1,
 418			    WM8400_AINLMODE_SHIFT,
 419			    wm8400_ainlmux);
 420
 421static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls =
 422SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum);
 423
 424/* DIFFINL */
 425
 426/* AINRMUX */
 427static const char *wm8400_ainrmux[] =
 428	{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
 429
 430static SOC_ENUM_SINGLE_DECL(wm8400_ainrmux_enum,
 431			    WM8400_INPUT_MIXER1,
 432			    WM8400_AINRMODE_SHIFT,
 433			    wm8400_ainrmux);
 434
 435static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls =
 436SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum);
 437
 
 
 
 
 
 
 
 
 438/* LOMIX */
 439static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = {
 440SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
 441	WM8400_LRBLO_SHIFT, 1, 0),
 442SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
 443	WM8400_LLBLO_SHIFT, 1, 0),
 444SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
 445	WM8400_LRI3LO_SHIFT, 1, 0),
 446SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
 447	WM8400_LLI3LO_SHIFT, 1, 0),
 448SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
 449	WM8400_LR12LO_SHIFT, 1, 0),
 450SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
 451	WM8400_LL12LO_SHIFT, 1, 0),
 452SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1,
 453	WM8400_LDLO_SHIFT, 1, 0),
 454};
 455
 456/* ROMIX */
 457static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = {
 458SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
 459	WM8400_RLBRO_SHIFT, 1, 0),
 460SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
 461	WM8400_RRBRO_SHIFT, 1, 0),
 462SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
 463	WM8400_RLI3RO_SHIFT, 1, 0),
 464SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
 465	WM8400_RRI3RO_SHIFT, 1, 0),
 466SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
 467	WM8400_RL12RO_SHIFT, 1, 0),
 468SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
 469	WM8400_RR12RO_SHIFT, 1, 0),
 470SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2,
 471	WM8400_RDRO_SHIFT, 1, 0),
 472};
 473
 474/* LONMIX */
 475static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = {
 476SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
 477	WM8400_LLOPGALON_SHIFT, 1, 0),
 478SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1,
 479	WM8400_LROPGALON_SHIFT, 1, 0),
 480SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1,
 481	WM8400_LOPLON_SHIFT, 1, 0),
 482};
 483
 484/* LOPMIX */
 485static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = {
 486SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1,
 487	WM8400_LR12LOP_SHIFT, 1, 0),
 488SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1,
 489	WM8400_LL12LOP_SHIFT, 1, 0),
 490SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
 491	WM8400_LLOPGALOP_SHIFT, 1, 0),
 492};
 493
 494/* RONMIX */
 495static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = {
 496SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
 497	WM8400_RROPGARON_SHIFT, 1, 0),
 498SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2,
 499	WM8400_RLOPGARON_SHIFT, 1, 0),
 500SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2,
 501	WM8400_ROPRON_SHIFT, 1, 0),
 502};
 503
 504/* ROPMIX */
 505static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = {
 506SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2,
 507	WM8400_RL12ROP_SHIFT, 1, 0),
 508SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2,
 509	WM8400_RR12ROP_SHIFT, 1, 0),
 510SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
 511	WM8400_RROPGAROP_SHIFT, 1, 0),
 512};
 513
 514/* OUT3MIX */
 515static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = {
 516SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
 517	WM8400_LI4O3_SHIFT, 1, 0),
 518SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER,
 519	WM8400_LPGAO3_SHIFT, 1, 0),
 520};
 521
 522/* OUT4MIX */
 523static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = {
 524SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER,
 525	WM8400_RPGAO4_SHIFT, 1, 0),
 526SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
 527	WM8400_RI4O4_SHIFT, 1, 0),
 528};
 529
 530/* SPKMIX */
 531static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = {
 532SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
 533	WM8400_LI2SPK_SHIFT, 1, 0),
 534SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER,
 535	WM8400_LB2SPK_SHIFT, 1, 0),
 536SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER,
 537	WM8400_LOPGASPK_SHIFT, 1, 0),
 538SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER,
 539	WM8400_LDSPK_SHIFT, 1, 0),
 540SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER,
 541	WM8400_RDSPK_SHIFT, 1, 0),
 542SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER,
 543	WM8400_ROPGASPK_SHIFT, 1, 0),
 544SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER,
 545	WM8400_RL12ROP_SHIFT, 1, 0),
 546SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
 547	WM8400_RI2SPK_SHIFT, 1, 0),
 548};
 549
 550static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = {
 551/* Input Side */
 552/* Input Lines */
 553SND_SOC_DAPM_INPUT("LIN1"),
 554SND_SOC_DAPM_INPUT("LIN2"),
 555SND_SOC_DAPM_INPUT("LIN3"),
 556SND_SOC_DAPM_INPUT("LIN4/RXN"),
 557SND_SOC_DAPM_INPUT("RIN3"),
 558SND_SOC_DAPM_INPUT("RIN4/RXP"),
 559SND_SOC_DAPM_INPUT("RIN1"),
 560SND_SOC_DAPM_INPUT("RIN2"),
 561SND_SOC_DAPM_INPUT("Internal ADC Source"),
 562
 563/* DACs */
 564SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2,
 565	WM8400_ADCL_ENA_SHIFT, 0),
 566SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2,
 567	WM8400_ADCR_ENA_SHIFT, 0),
 568
 569/* Input PGAs */
 570SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2,
 571		   WM8400_LIN12_ENA_SHIFT,
 572		   0, &wm8400_dapm_lin12_pga_controls[0],
 573		   ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)),
 574SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2,
 575		   WM8400_LIN34_ENA_SHIFT,
 576		   0, &wm8400_dapm_lin34_pga_controls[0],
 577		   ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)),
 578SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2,
 579		   WM8400_RIN12_ENA_SHIFT,
 580		   0, &wm8400_dapm_rin12_pga_controls[0],
 581		   ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)),
 582SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2,
 583		   WM8400_RIN34_ENA_SHIFT,
 584		   0, &wm8400_dapm_rin34_pga_controls[0],
 585		   ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)),
 586
 587SND_SOC_DAPM_SUPPLY("INL", WM8400_POWER_MANAGEMENT_2, WM8400_AINL_ENA_SHIFT,
 588		    0, NULL, 0),
 589SND_SOC_DAPM_SUPPLY("INR", WM8400_POWER_MANAGEMENT_2, WM8400_AINR_ENA_SHIFT,
 590		    0, NULL, 0),
 591
 592/* INMIXL */
 593SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
 594	&wm8400_dapm_inmixl_controls[0],
 595	ARRAY_SIZE(wm8400_dapm_inmixl_controls)),
 
 596
 597/* AINLMUX */
 598SND_SOC_DAPM_MUX("AILNMUX", SND_SOC_NOPM, 0, 0, &wm8400_dapm_ainlmux_controls),
 
 
 599
 600/* INMIXR */
 601SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
 602	&wm8400_dapm_inmixr_controls[0],
 603	ARRAY_SIZE(wm8400_dapm_inmixr_controls)),
 
 604
 605/* AINRMUX */
 606SND_SOC_DAPM_MUX("AIRNMUX", SND_SOC_NOPM, 0, 0, &wm8400_dapm_ainrmux_controls),
 
 
 607
 608/* Output Side */
 609/* DACs */
 610SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3,
 611	WM8400_DACL_ENA_SHIFT, 0),
 612SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3,
 613	WM8400_DACR_ENA_SHIFT, 0),
 614
 615/* LOMIX */
 616SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3,
 617		     WM8400_LOMIX_ENA_SHIFT,
 618		     0, &wm8400_dapm_lomix_controls[0],
 619		     ARRAY_SIZE(wm8400_dapm_lomix_controls),
 620		     outmixer_event, SND_SOC_DAPM_PRE_REG),
 621
 622/* LONMIX */
 623SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT,
 624		   0, &wm8400_dapm_lonmix_controls[0],
 625		   ARRAY_SIZE(wm8400_dapm_lonmix_controls)),
 626
 627/* LOPMIX */
 628SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT,
 629		   0, &wm8400_dapm_lopmix_controls[0],
 630		   ARRAY_SIZE(wm8400_dapm_lopmix_controls)),
 631
 632/* OUT3MIX */
 633SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT,
 634		   0, &wm8400_dapm_out3mix_controls[0],
 635		   ARRAY_SIZE(wm8400_dapm_out3mix_controls)),
 636
 637/* SPKMIX */
 638SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT,
 639		     0, &wm8400_dapm_spkmix_controls[0],
 640		     ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event,
 641		     SND_SOC_DAPM_PRE_REG),
 642
 643/* OUT4MIX */
 644SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT,
 645	0, &wm8400_dapm_out4mix_controls[0],
 646	ARRAY_SIZE(wm8400_dapm_out4mix_controls)),
 647
 648/* ROPMIX */
 649SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT,
 650		   0, &wm8400_dapm_ropmix_controls[0],
 651		   ARRAY_SIZE(wm8400_dapm_ropmix_controls)),
 652
 653/* RONMIX */
 654SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT,
 655		   0, &wm8400_dapm_ronmix_controls[0],
 656		   ARRAY_SIZE(wm8400_dapm_ronmix_controls)),
 657
 658/* ROMIX */
 659SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3,
 660		     WM8400_ROMIX_ENA_SHIFT,
 661		     0, &wm8400_dapm_romix_controls[0],
 662		     ARRAY_SIZE(wm8400_dapm_romix_controls),
 663		     outmixer_event, SND_SOC_DAPM_PRE_REG),
 664
 665/* LOUT PGA */
 666SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT,
 667		 0, NULL, 0),
 668
 669/* ROUT PGA */
 670SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT,
 671		 0, NULL, 0),
 672
 673/* LOPGA */
 674SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0,
 675	NULL, 0),
 676
 677/* ROPGA */
 678SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0,
 679	NULL, 0),
 680
 681/* MICBIAS */
 682SND_SOC_DAPM_SUPPLY("MICBIAS", WM8400_POWER_MANAGEMENT_1,
 683		    WM8400_MIC1BIAS_ENA_SHIFT, 0, NULL, 0),
 684
 685SND_SOC_DAPM_OUTPUT("LON"),
 686SND_SOC_DAPM_OUTPUT("LOP"),
 687SND_SOC_DAPM_OUTPUT("OUT3"),
 688SND_SOC_DAPM_OUTPUT("LOUT"),
 689SND_SOC_DAPM_OUTPUT("SPKN"),
 690SND_SOC_DAPM_OUTPUT("SPKP"),
 691SND_SOC_DAPM_OUTPUT("ROUT"),
 692SND_SOC_DAPM_OUTPUT("OUT4"),
 693SND_SOC_DAPM_OUTPUT("ROP"),
 694SND_SOC_DAPM_OUTPUT("RON"),
 695
 696SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
 697};
 698
 699static const struct snd_soc_dapm_route wm8400_dapm_routes[] = {
 700	/* Make DACs turn on when playing even if not mixed into any outputs */
 701	{"Internal DAC Sink", NULL, "Left DAC"},
 702	{"Internal DAC Sink", NULL, "Right DAC"},
 703
 704	/* Make ADCs turn on when recording
 705	 * even if not mixed from any inputs */
 706	{"Left ADC", NULL, "Internal ADC Source"},
 707	{"Right ADC", NULL, "Internal ADC Source"},
 708
 709	/* Input Side */
 710	/* LIN12 PGA */
 711	{"LIN12 PGA", "LIN1 Switch", "LIN1"},
 712	{"LIN12 PGA", "LIN2 Switch", "LIN2"},
 713	/* LIN34 PGA */
 714	{"LIN34 PGA", "LIN3 Switch", "LIN3"},
 715	{"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
 716	/* INMIXL */
 717	{"INMIXL", NULL, "INL"},
 718	{"INMIXL", "Record Left Volume", "LOMIX"},
 719	{"INMIXL", "LIN2 Volume", "LIN2"},
 720	{"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
 721	{"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
 722	/* AILNMUX */
 723	{"AILNMUX", NULL, "INL"},
 724	{"AILNMUX", "INMIXL Mix", "INMIXL"},
 725	{"AILNMUX", "DIFFINL Mix", "LIN12 PGA"},
 726	{"AILNMUX", "DIFFINL Mix", "LIN34 PGA"},
 727	{"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
 728	{"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
 729	/* ADC */
 730	{"Left ADC", NULL, "AILNMUX"},
 731
 732	/* RIN12 PGA */
 733	{"RIN12 PGA", "RIN1 Switch", "RIN1"},
 734	{"RIN12 PGA", "RIN2 Switch", "RIN2"},
 735	/* RIN34 PGA */
 736	{"RIN34 PGA", "RIN3 Switch", "RIN3"},
 737	{"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
 738	/* INMIXR */
 739	{"INMIXR", NULL, "INR"},
 740	{"INMIXR", "Record Right Volume", "ROMIX"},
 741	{"INMIXR", "RIN2 Volume", "RIN2"},
 742	{"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
 743	{"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
 744	/* AIRNMUX */
 745	{"AIRNMUX", NULL, "INR"},
 746	{"AIRNMUX", "INMIXR Mix", "INMIXR"},
 747	{"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"},
 748	{"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"},
 749	{"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"},
 750	{"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
 751	/* ADC */
 752	{"Right ADC", NULL, "AIRNMUX"},
 753
 754	/* LOMIX */
 755	{"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
 756	{"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
 757	{"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 758	{"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 759	{"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"},
 760	{"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"},
 761	{"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
 762
 763	/* ROMIX */
 764	{"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
 765	{"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
 766	{"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 767	{"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 768	{"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"},
 769	{"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"},
 770	{"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
 771
 772	/* SPKMIX */
 773	{"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
 774	{"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
 775	{"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"},
 776	{"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"},
 777	{"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
 778	{"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
 779	{"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
 780	{"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
 781
 782	/* LONMIX */
 783	{"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
 784	{"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
 785	{"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
 786
 787	/* LOPMIX */
 788	{"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 789	{"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 790	{"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
 791
 792	/* OUT3MIX */
 793	{"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
 794	{"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
 795
 796	/* OUT4MIX */
 797	{"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
 798	{"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
 799
 800	/* RONMIX */
 801	{"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
 802	{"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
 803	{"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
 804
 805	/* ROPMIX */
 806	{"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 807	{"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 808	{"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
 809
 810	/* Out Mixer PGAs */
 811	{"LOPGA", NULL, "LOMIX"},
 812	{"ROPGA", NULL, "ROMIX"},
 813
 814	{"LOUT PGA", NULL, "LOMIX"},
 815	{"ROUT PGA", NULL, "ROMIX"},
 816
 817	/* Output Pins */
 818	{"LON", NULL, "LONMIX"},
 819	{"LOP", NULL, "LOPMIX"},
 820	{"OUT3", NULL, "OUT3MIX"},
 821	{"LOUT", NULL, "LOUT PGA"},
 822	{"SPKN", NULL, "SPKMIX"},
 823	{"ROUT", NULL, "ROUT PGA"},
 824	{"OUT4", NULL, "OUT4MIX"},
 825	{"ROP", NULL, "ROPMIX"},
 826	{"RON", NULL, "RONMIX"},
 827};
 828
 829/*
 830 * Clock after FLL and dividers
 831 */
 832static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 833		int clk_id, unsigned int freq, int dir)
 834{
 835	struct snd_soc_component *component = codec_dai->component;
 836	struct wm8400_priv *wm8400 = snd_soc_component_get_drvdata(component);
 837
 838	wm8400->sysclk = freq;
 839	return 0;
 840}
 841
 842struct fll_factors {
 843	u16 n;
 844	u16 k;
 845	u16 outdiv;
 846	u16 fratio;
 847	u16 freq_ref;
 848};
 849
 850#define FIXED_FLL_SIZE ((1 << 16) * 10)
 851
 852static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors,
 853		       unsigned int Fref, unsigned int Fout)
 854{
 855	u64 Kpart;
 856	unsigned int K, Nmod, target;
 857
 858	factors->outdiv = 2;
 859	while (Fout * factors->outdiv <  90000000 ||
 860	       Fout * factors->outdiv > 100000000) {
 861		factors->outdiv *= 2;
 862		if (factors->outdiv > 32) {
 863			dev_err(wm8400->wm8400->dev,
 864				"Unsupported FLL output frequency %uHz\n",
 865				Fout);
 866			return -EINVAL;
 867		}
 868	}
 869	target = Fout * factors->outdiv;
 870	factors->outdiv = factors->outdiv >> 2;
 871
 872	if (Fref < 48000)
 873		factors->freq_ref = 1;
 874	else
 875		factors->freq_ref = 0;
 876
 877	if (Fref < 1000000)
 878		factors->fratio = 9;
 879	else
 880		factors->fratio = 0;
 881
 882	/* Ensure we have a fractional part */
 883	do {
 884		if (Fref < 1000000)
 885			factors->fratio--;
 886		else
 887			factors->fratio++;
 888
 889		if (factors->fratio < 1 || factors->fratio > 8) {
 890			dev_err(wm8400->wm8400->dev,
 891				"Unable to calculate FRATIO\n");
 892			return -EINVAL;
 893		}
 894
 895		factors->n = target / (Fref * factors->fratio);
 896		Nmod = target % (Fref * factors->fratio);
 897	} while (Nmod == 0);
 898
 899	/* Calculate fractional part - scale up so we can round. */
 900	Kpart = FIXED_FLL_SIZE * (long long)Nmod;
 901
 902	do_div(Kpart, (Fref * factors->fratio));
 903
 904	K = Kpart & 0xFFFFFFFF;
 905
 906	if ((K % 10) >= 5)
 907		K += 5;
 908
 909	/* Move down to proper range now rounding is done */
 910	factors->k = K / 10;
 911
 912	dev_dbg(wm8400->wm8400->dev,
 913		"FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n",
 914		Fref, Fout,
 915		factors->n, factors->k, factors->fratio, factors->outdiv);
 916
 917	return 0;
 918}
 919
 920static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
 921			      int source, unsigned int freq_in,
 922			      unsigned int freq_out)
 923{
 924	struct snd_soc_component *component = codec_dai->component;
 925	struct wm8400_priv *wm8400 = snd_soc_component_get_drvdata(component);
 926	struct fll_factors factors;
 927	int ret;
 928	u16 reg;
 929
 930	if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out)
 931		return 0;
 932
 933	if (freq_out) {
 934		ret = fll_factors(wm8400, &factors, freq_in, freq_out);
 935		if (ret != 0)
 936			return ret;
 937	} else {
 938		/* Bodge GCC 4.4.0 uninitialised variable warning - it
 939		 * doesn't seem capable of working out that we exit if
 940		 * freq_out is 0 before any of the uses. */
 941		memset(&factors, 0, sizeof(factors));
 942	}
 943
 944	wm8400->fll_out = freq_out;
 945	wm8400->fll_in = freq_in;
 946
 947	/* We *must* disable the FLL before any changes */
 948	reg = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_2);
 949	reg &= ~WM8400_FLL_ENA;
 950	snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_2, reg);
 951
 952	reg = snd_soc_component_read(component, WM8400_FLL_CONTROL_1);
 953	reg &= ~WM8400_FLL_OSC_ENA;
 954	snd_soc_component_write(component, WM8400_FLL_CONTROL_1, reg);
 955
 956	if (!freq_out)
 957		return 0;
 958
 959	reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK);
 960	reg |= WM8400_FLL_FRAC | factors.fratio;
 961	reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT;
 962	snd_soc_component_write(component, WM8400_FLL_CONTROL_1, reg);
 963
 964	snd_soc_component_write(component, WM8400_FLL_CONTROL_2, factors.k);
 965	snd_soc_component_write(component, WM8400_FLL_CONTROL_3, factors.n);
 966
 967	reg = snd_soc_component_read(component, WM8400_FLL_CONTROL_4);
 968	reg &= ~WM8400_FLL_OUTDIV_MASK;
 969	reg |= factors.outdiv;
 970	snd_soc_component_write(component, WM8400_FLL_CONTROL_4, reg);
 971
 972	return 0;
 973}
 974
 975/*
 976 * Sets ADC and Voice DAC format.
 977 */
 978static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai,
 979		unsigned int fmt)
 980{
 981	struct snd_soc_component *component = codec_dai->component;
 982	u16 audio1, audio3;
 983
 984	audio1 = snd_soc_component_read(component, WM8400_AUDIO_INTERFACE_1);
 985	audio3 = snd_soc_component_read(component, WM8400_AUDIO_INTERFACE_3);
 986
 987	/* set master/slave audio interface */
 988	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 989	case SND_SOC_DAIFMT_CBS_CFS:
 990		audio3 &= ~WM8400_AIF_MSTR1;
 991		break;
 992	case SND_SOC_DAIFMT_CBM_CFM:
 993		audio3 |= WM8400_AIF_MSTR1;
 994		break;
 995	default:
 996		return -EINVAL;
 997	}
 998
 999	audio1 &= ~WM8400_AIF_FMT_MASK;
1000
1001	/* interface format */
1002	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1003	case SND_SOC_DAIFMT_I2S:
1004		audio1 |= WM8400_AIF_FMT_I2S;
1005		audio1 &= ~WM8400_AIF_LRCLK_INV;
1006		break;
1007	case SND_SOC_DAIFMT_RIGHT_J:
1008		audio1 |= WM8400_AIF_FMT_RIGHTJ;
1009		audio1 &= ~WM8400_AIF_LRCLK_INV;
1010		break;
1011	case SND_SOC_DAIFMT_LEFT_J:
1012		audio1 |= WM8400_AIF_FMT_LEFTJ;
1013		audio1 &= ~WM8400_AIF_LRCLK_INV;
1014		break;
1015	case SND_SOC_DAIFMT_DSP_A:
1016		audio1 |= WM8400_AIF_FMT_DSP;
1017		audio1 &= ~WM8400_AIF_LRCLK_INV;
1018		break;
1019	case SND_SOC_DAIFMT_DSP_B:
1020		audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV;
1021		break;
1022	default:
1023		return -EINVAL;
1024	}
1025
1026	snd_soc_component_write(component, WM8400_AUDIO_INTERFACE_1, audio1);
1027	snd_soc_component_write(component, WM8400_AUDIO_INTERFACE_3, audio3);
1028	return 0;
1029}
1030
1031static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1032		int div_id, int div)
1033{
1034	struct snd_soc_component *component = codec_dai->component;
1035	u16 reg;
1036
1037	switch (div_id) {
1038	case WM8400_MCLK_DIV:
1039		reg = snd_soc_component_read(component, WM8400_CLOCKING_2) &
1040			~WM8400_MCLK_DIV_MASK;
1041		snd_soc_component_write(component, WM8400_CLOCKING_2, reg | div);
1042		break;
1043	case WM8400_DACCLK_DIV:
1044		reg = snd_soc_component_read(component, WM8400_CLOCKING_2) &
1045			~WM8400_DAC_CLKDIV_MASK;
1046		snd_soc_component_write(component, WM8400_CLOCKING_2, reg | div);
1047		break;
1048	case WM8400_ADCCLK_DIV:
1049		reg = snd_soc_component_read(component, WM8400_CLOCKING_2) &
1050			~WM8400_ADC_CLKDIV_MASK;
1051		snd_soc_component_write(component, WM8400_CLOCKING_2, reg | div);
1052		break;
1053	case WM8400_BCLK_DIV:
1054		reg = snd_soc_component_read(component, WM8400_CLOCKING_1) &
1055			~WM8400_BCLK_DIV_MASK;
1056		snd_soc_component_write(component, WM8400_CLOCKING_1, reg | div);
1057		break;
1058	default:
1059		return -EINVAL;
1060	}
1061
1062	return 0;
1063}
1064
1065/*
1066 * Set PCM DAI bit size and sample rate.
1067 */
1068static int wm8400_hw_params(struct snd_pcm_substream *substream,
1069	struct snd_pcm_hw_params *params,
1070	struct snd_soc_dai *dai)
1071{
1072	struct snd_soc_component *component = dai->component;
1073	u16 audio1 = snd_soc_component_read(component, WM8400_AUDIO_INTERFACE_1);
1074
1075	audio1 &= ~WM8400_AIF_WL_MASK;
1076	/* bit size */
1077	switch (params_width(params)) {
1078	case 16:
1079		break;
1080	case 20:
1081		audio1 |= WM8400_AIF_WL_20BITS;
1082		break;
1083	case 24:
1084		audio1 |= WM8400_AIF_WL_24BITS;
1085		break;
1086	case 32:
1087		audio1 |= WM8400_AIF_WL_32BITS;
1088		break;
1089	}
1090
1091	snd_soc_component_write(component, WM8400_AUDIO_INTERFACE_1, audio1);
1092	return 0;
1093}
1094
1095static int wm8400_mute(struct snd_soc_dai *dai, int mute, int direction)
1096{
1097	struct snd_soc_component *component = dai->component;
1098	u16 val = snd_soc_component_read(component, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE;
1099
1100	if (mute)
1101		snd_soc_component_write(component, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1102	else
1103		snd_soc_component_write(component, WM8400_DAC_CTRL, val);
1104
1105	return 0;
1106}
1107
1108/* TODO: set bias for best performance at standby */
1109static int wm8400_set_bias_level(struct snd_soc_component *component,
1110				 enum snd_soc_bias_level level)
1111{
1112	struct wm8400_priv *wm8400 = snd_soc_component_get_drvdata(component);
1113	u16 val;
1114	int ret;
1115
1116	switch (level) {
1117	case SND_SOC_BIAS_ON:
1118		break;
1119
1120	case SND_SOC_BIAS_PREPARE:
1121		/* VMID=2*50k */
1122		val = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_1) &
1123			~WM8400_VMID_MODE_MASK;
1124		snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, val | 0x2);
1125		break;
1126
1127	case SND_SOC_BIAS_STANDBY:
1128		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1129			ret = regulator_bulk_enable(ARRAY_SIZE(power),
1130						    &power[0]);
1131			if (ret != 0) {
1132				dev_err(wm8400->wm8400->dev,
1133					"Failed to enable regulators: %d\n",
1134					ret);
1135				return ret;
1136			}
1137
1138			snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1,
1139				     WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
1140
1141			/* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1142			snd_soc_component_write(component, WM8400_ANTIPOP2, WM8400_SOFTST |
1143				     WM8400_BUFDCOPEN | WM8400_POBCTRL);
1144
1145			msleep(50);
1146
1147			/* Enable VREF & VMID at 2x50k */
1148			val = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_1);
1149			val |= 0x2 | WM8400_VREF_ENA;
1150			snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, val);
1151
1152			/* Enable BUFIOEN */
1153			snd_soc_component_write(component, WM8400_ANTIPOP2, WM8400_SOFTST |
1154				     WM8400_BUFDCOPEN | WM8400_POBCTRL |
1155				     WM8400_BUFIOEN);
1156
1157			/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1158			snd_soc_component_write(component, WM8400_ANTIPOP2, WM8400_BUFIOEN);
1159		}
1160
1161		/* VMID=2*300k */
1162		val = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_1) &
1163			~WM8400_VMID_MODE_MASK;
1164		snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, val | 0x4);
1165		break;
1166
1167	case SND_SOC_BIAS_OFF:
1168		/* Enable POBCTRL and SOFT_ST */
1169		snd_soc_component_write(component, WM8400_ANTIPOP2, WM8400_SOFTST |
1170			WM8400_POBCTRL | WM8400_BUFIOEN);
1171
1172		/* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1173		snd_soc_component_write(component, WM8400_ANTIPOP2, WM8400_SOFTST |
1174			WM8400_BUFDCOPEN | WM8400_POBCTRL |
1175			WM8400_BUFIOEN);
1176
1177		/* mute DAC */
1178		val = snd_soc_component_read(component, WM8400_DAC_CTRL);
1179		snd_soc_component_write(component, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1180
1181		/* Enable any disabled outputs */
1182		val = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_1);
1183		val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
1184			WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1185			WM8400_ROUT_ENA;
1186		snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, val);
1187
1188		/* Disable VMID */
1189		val &= ~WM8400_VMID_MODE_MASK;
1190		snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, val);
1191
1192		msleep(300);
1193
1194		/* Enable all output discharge bits */
1195		snd_soc_component_write(component, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
1196			WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
1197			WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
1198			WM8400_DIS_ROUT);
1199
1200		/* Disable VREF */
1201		val &= ~WM8400_VREF_ENA;
1202		snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, val);
1203
1204		/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1205		snd_soc_component_write(component, WM8400_ANTIPOP2, 0x0);
1206
1207		ret = regulator_bulk_disable(ARRAY_SIZE(power),
1208					     &power[0]);
1209		if (ret != 0)
1210			return ret;
1211
1212		break;
1213	}
1214
 
1215	return 0;
1216}
1217
1218#define WM8400_RATES SNDRV_PCM_RATE_8000_96000
1219
1220#define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1221	SNDRV_PCM_FMTBIT_S24_LE)
1222
1223static const struct snd_soc_dai_ops wm8400_dai_ops = {
1224	.hw_params = wm8400_hw_params,
1225	.mute_stream = wm8400_mute,
1226	.set_fmt = wm8400_set_dai_fmt,
1227	.set_clkdiv = wm8400_set_dai_clkdiv,
1228	.set_sysclk = wm8400_set_dai_sysclk,
1229	.set_pll = wm8400_set_dai_pll,
1230	.no_capture_mute = 1,
1231};
1232
1233/*
1234 * The WM8400 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 */
1240static struct snd_soc_dai_driver wm8400_dai = {
1241/* ADC/DAC on primary */
1242	.name = "wm8400-hifi",
1243	.playback = {
1244		.stream_name = "Playback",
1245		.channels_min = 1,
1246		.channels_max = 2,
1247		.rates = WM8400_RATES,
1248		.formats = WM8400_FORMATS,
1249	},
1250	.capture = {
1251		.stream_name = "Capture",
1252		.channels_min = 1,
1253		.channels_max = 2,
1254		.rates = WM8400_RATES,
1255		.formats = WM8400_FORMATS,
1256	},
1257	.ops = &wm8400_dai_ops,
1258};
1259
1260static int wm8400_component_probe(struct snd_soc_component *component)
1261{
1262	struct wm8400 *wm8400 = dev_get_platdata(component->dev);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1263	struct wm8400_priv *priv;
1264	int ret;
1265	u16 reg;
1266
1267	priv = devm_kzalloc(component->dev, sizeof(struct wm8400_priv),
1268			    GFP_KERNEL);
1269	if (priv == NULL)
1270		return -ENOMEM;
1271
1272	snd_soc_component_init_regmap(component, wm8400->regmap);
1273	snd_soc_component_set_drvdata(component, priv);
1274	priv->wm8400 = wm8400;
1275
1276	ret = devm_regulator_bulk_get(wm8400->dev,
1277				 ARRAY_SIZE(power), &power[0]);
1278	if (ret != 0) {
1279		dev_err(component->dev, "Failed to get regulators: %d\n", ret);
1280		return ret;
1281	}
1282
1283	wm8400_component_reset(component);
 
 
1284
1285	reg = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_1);
1286	snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA);
1287
1288	/* Latch volume update bits */
1289	reg = snd_soc_component_read(component, WM8400_LEFT_LINE_INPUT_1_2_VOLUME);
1290	snd_soc_component_write(component, WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
1291		     reg & WM8400_IPVU);
1292	reg = snd_soc_component_read(component, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME);
1293	snd_soc_component_write(component, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
1294		     reg & WM8400_IPVU);
1295
1296	snd_soc_component_write(component, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1297	snd_soc_component_write(component, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1298
 
 
 
 
1299	return 0;
 
 
 
 
1300}
1301
1302static void  wm8400_component_remove(struct snd_soc_component *component)
1303{
1304	u16 reg;
1305
1306	reg = snd_soc_component_read(component, WM8400_POWER_MANAGEMENT_1);
1307	snd_soc_component_write(component, WM8400_POWER_MANAGEMENT_1,
1308		     reg & (~WM8400_CODEC_ENA));
 
 
 
 
1309}
1310
1311static const struct snd_soc_component_driver soc_component_dev_wm8400 = {
1312	.probe			= wm8400_component_probe,
1313	.remove			= wm8400_component_remove,
1314	.set_bias_level		= wm8400_set_bias_level,
1315	.controls		= wm8400_snd_controls,
1316	.num_controls		= ARRAY_SIZE(wm8400_snd_controls),
1317	.dapm_widgets		= wm8400_dapm_widgets,
1318	.num_dapm_widgets	= ARRAY_SIZE(wm8400_dapm_widgets),
1319	.dapm_routes		= wm8400_dapm_routes,
1320	.num_dapm_routes	= ARRAY_SIZE(wm8400_dapm_routes),
1321	.suspend_bias_off	= 1,
1322	.idle_bias_on		= 1,
1323	.use_pmdown_time	= 1,
1324	.endianness		= 1,
 
1325};
1326
1327static int wm8400_probe(struct platform_device *pdev)
1328{
1329	return devm_snd_soc_register_component(&pdev->dev,
1330			&soc_component_dev_wm8400,
1331			&wm8400_dai, 1);
1332}
1333
 
 
 
 
 
 
1334static struct platform_driver wm8400_codec_driver = {
1335	.driver = {
1336		   .name = "wm8400-codec",
 
1337		   },
1338	.probe = wm8400_probe,
 
1339};
1340
1341module_platform_driver(wm8400_codec_driver);
1342
1343MODULE_DESCRIPTION("ASoC WM8400 driver");
1344MODULE_AUTHOR("Mark Brown");
1345MODULE_LICENSE("GPL");
1346MODULE_ALIAS("platform:wm8400-codec");
v3.5.6
 
   1/*
   2 * wm8400.c  --  WM8400 ALSA Soc Audio driver
   3 *
   4 * Copyright 2008, 2009 Wolfson Microelectronics PLC.
   5 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   6 *
   7 *  This program is free software; you can redistribute  it and/or modify it
   8 *  under  the terms of  the GNU General  Public License as published by the
   9 *  Free Software Foundation;  either version 2 of the  License, or (at your
  10 *  option) any later version.
  11 *
  12 */
  13
  14#include <linux/module.h>
  15#include <linux/moduleparam.h>
  16#include <linux/kernel.h>
  17#include <linux/slab.h>
  18#include <linux/init.h>
  19#include <linux/delay.h>
  20#include <linux/pm.h>
  21#include <linux/platform_device.h>
  22#include <linux/regulator/consumer.h>
  23#include <linux/mfd/wm8400-audio.h>
  24#include <linux/mfd/wm8400-private.h>
  25#include <linux/mfd/core.h>
  26#include <sound/core.h>
  27#include <sound/pcm.h>
  28#include <sound/pcm_params.h>
  29#include <sound/soc.h>
  30#include <sound/initval.h>
  31#include <sound/tlv.h>
  32
  33#include "wm8400.h"
  34
  35/* Fake register for internal state */
  36#define WM8400_INTDRIVBITS      (WM8400_REGISTER_COUNT + 1)
  37#define WM8400_INMIXL_PWR			0
  38#define WM8400_AINLMUX_PWR			1
  39#define WM8400_INMIXR_PWR			2
  40#define WM8400_AINRMUX_PWR			3
  41
  42static struct regulator_bulk_data power[] = {
  43	{
  44		.supply = "I2S1VDD",
  45	},
  46	{
  47		.supply = "I2S2VDD",
  48	},
  49	{
  50		.supply = "DCVDD",
  51	},
  52	{
  53		.supply = "AVDD",
  54	},
  55	{
  56		.supply = "FLLVDD",
  57	},
  58	{
  59		.supply = "HPVDD",
  60	},
  61	{
  62		.supply = "SPKVDD",
  63	},
  64};
  65
  66/* codec private data */
  67struct wm8400_priv {
  68	struct snd_soc_codec *codec;
  69	struct wm8400 *wm8400;
  70	u16 fake_register;
  71	unsigned int sysclk;
  72	unsigned int pcmclk;
  73	struct work_struct work;
  74	int fll_in, fll_out;
  75};
  76
  77static inline unsigned int wm8400_read(struct snd_soc_codec *codec,
  78				       unsigned int reg)
  79{
  80	struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
  81
  82	if (reg == WM8400_INTDRIVBITS)
  83		return wm8400->fake_register;
  84	else
  85		return wm8400_reg_read(wm8400->wm8400, reg);
  86}
  87
  88/*
  89 * write to the wm8400 register space
  90 */
  91static int wm8400_write(struct snd_soc_codec *codec, unsigned int reg,
  92	unsigned int value)
  93{
  94	struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
  95
  96	if (reg == WM8400_INTDRIVBITS) {
  97		wm8400->fake_register = value;
  98		return 0;
  99	} else
 100		return wm8400_set_bits(wm8400->wm8400, reg, 0xffff, value);
 101}
 102
 103static void wm8400_codec_reset(struct snd_soc_codec *codec)
 104{
 105	struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
 106
 107	wm8400_reset_codec_reg_cache(wm8400->wm8400);
 108}
 109
 110static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0);
 111
 112static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
 113
 114static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -2100, 0, 0);
 115
 116static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
 117
 118static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0);
 119
 120static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
 121
 122static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
 123
 124static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
 125
 126static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
 127        struct snd_ctl_elem_value *ucontrol)
 128{
 129        struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 130	struct soc_mixer_control *mc =
 131		(struct soc_mixer_control *)kcontrol->private_value;
 132	int reg = mc->reg;
 133        int ret;
 134        u16 val;
 135
 136        ret = snd_soc_put_volsw(kcontrol, ucontrol);
 137        if (ret < 0)
 138                return ret;
 139
 140        /* now hit the volume update bits (always bit 8) */
 141        val = snd_soc_read(codec, reg);
 142        return snd_soc_write(codec, reg, val | 0x0100);
 143}
 144
 145#define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \
 146{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
 147	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
 148		SNDRV_CTL_ELEM_ACCESS_READWRITE,\
 149	.tlv.p = (tlv_array), \
 150	.info = snd_soc_info_volsw, \
 151	.get = snd_soc_get_volsw, .put = wm8400_outpga_put_volsw_vu, \
 152	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
 153
 154
 155static const char *wm8400_digital_sidetone[] =
 156	{"None", "Left ADC", "Right ADC", "Reserved"};
 157
 158static const struct soc_enum wm8400_left_digital_sidetone_enum =
 159SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
 160		WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone);
 161
 162static const struct soc_enum wm8400_right_digital_sidetone_enum =
 163SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
 164		WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone);
 
 
 165
 166static const char *wm8400_adcmode[] =
 167	{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
 168
 169static const struct soc_enum wm8400_right_adcmode_enum =
 170SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, wm8400_adcmode);
 
 
 171
 172static const struct snd_kcontrol_new wm8400_snd_controls[] = {
 173/* INMIXL */
 174SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT,
 175	   1, 0),
 176SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT,
 177	   1, 0),
 178/* INMIXR */
 179SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT,
 180	   1, 0),
 181SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT,
 182	   1, 0),
 183
 184/* LOMIX */
 185SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3,
 186	WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
 187SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
 188	WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv),
 189SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
 190	WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv),
 191SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5,
 192	WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
 193SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
 194	WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
 195SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
 196	WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
 197
 198/* ROMIX */
 199SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4,
 200	WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
 201SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
 202	WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv),
 203SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
 204	WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv),
 205SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6,
 206	WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
 207SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
 208	WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv),
 209SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
 210	WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv),
 211
 212/* LOUT */
 213WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME,
 214	WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv),
 215SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0),
 216
 217/* ROUT */
 218WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME,
 219	WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv),
 220SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0),
 221
 222/* LOPGA */
 223WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME,
 224	WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv),
 225SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME,
 226	WM8400_LOPGAZC_SHIFT, 1, 0),
 227
 228/* ROPGA */
 229WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME,
 230	WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv),
 231SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME,
 232	WM8400_ROPGAZC_SHIFT, 1, 0),
 233
 234SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 235	WM8400_LONMUTE_SHIFT, 1, 0),
 236SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 237	WM8400_LOPMUTE_SHIFT, 1, 0),
 238SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
 239	WM8400_LOATTN_SHIFT, 1, 0),
 240SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 241	WM8400_RONMUTE_SHIFT, 1, 0),
 242SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
 243	WM8400_ROPMUTE_SHIFT, 1, 0),
 244SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
 245	WM8400_ROATTN_SHIFT, 1, 0),
 246
 247SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME,
 248	WM8400_OUT3MUTE_SHIFT, 1, 0),
 249SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME,
 250	WM8400_OUT3ATTN_SHIFT, 1, 0),
 251
 252SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME,
 253	WM8400_OUT4MUTE_SHIFT, 1, 0),
 254SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME,
 255	WM8400_OUT4ATTN_SHIFT, 1, 0),
 256
 257SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1,
 258	WM8400_CDMODE_SHIFT, 1, 0),
 259
 260SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME,
 261	WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0),
 262SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3,
 263	WM8400_DCGAIN_SHIFT, 6, 0),
 264SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3,
 265	WM8400_ACGAIN_SHIFT, 6, 0),
 266
 267WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
 268	WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT,
 269	127, 0, out_dac_tlv),
 270
 271WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
 272	WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT,
 273	127, 0, out_dac_tlv),
 274
 275SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum),
 276SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum),
 277
 278SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
 279	WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
 280SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
 281	WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
 282
 283SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL,
 284	WM8400_ADC_HPF_ENA_SHIFT, 1, 0),
 285
 286SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum),
 287
 288WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
 289	WM8400_LEFT_ADC_DIGITAL_VOLUME,
 290	WM8400_ADCL_VOL_SHIFT,
 291	WM8400_ADCL_VOL_MASK,
 292	0,
 293	in_adc_tlv),
 294
 295WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
 296	WM8400_RIGHT_ADC_DIGITAL_VOLUME,
 297	WM8400_ADCR_VOL_SHIFT,
 298	WM8400_ADCR_VOL_MASK,
 299	0,
 300	in_adc_tlv),
 301
 302WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
 303	WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 304	WM8400_LIN12VOL_SHIFT,
 305	WM8400_LIN12VOL_MASK,
 306	0,
 307	in_pga_tlv),
 308
 309SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 310	WM8400_LI12ZC_SHIFT, 1, 0),
 311
 312SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
 313	WM8400_LI12MUTE_SHIFT, 1, 0),
 314
 315WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
 316	WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 317	WM8400_LIN34VOL_SHIFT,
 318	WM8400_LIN34VOL_MASK,
 319	0,
 320	in_pga_tlv),
 321
 322SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 323	WM8400_LI34ZC_SHIFT, 1, 0),
 324
 325SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
 326	WM8400_LI34MUTE_SHIFT, 1, 0),
 327
 328WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
 329	WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 330	WM8400_RIN12VOL_SHIFT,
 331	WM8400_RIN12VOL_MASK,
 332	0,
 333	in_pga_tlv),
 334
 335SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 336	WM8400_RI12ZC_SHIFT, 1, 0),
 337
 338SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
 339	WM8400_RI12MUTE_SHIFT, 1, 0),
 340
 341WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
 342	WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 343	WM8400_RIN34VOL_SHIFT,
 344	WM8400_RIN34VOL_MASK,
 345	0,
 346	in_pga_tlv),
 347
 348SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 349	WM8400_RI34ZC_SHIFT, 1, 0),
 350
 351SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
 352	WM8400_RI34MUTE_SHIFT, 1, 0),
 353
 354};
 355
 356/*
 357 * _DAPM_ Controls
 358 */
 359
 360static int inmixer_event (struct snd_soc_dapm_widget *w,
 361	struct snd_kcontrol *kcontrol, int event)
 362{
 363	u16 reg, fakepower;
 364
 365	reg = snd_soc_read(w->codec, WM8400_POWER_MANAGEMENT_2);
 366	fakepower = snd_soc_read(w->codec, WM8400_INTDRIVBITS);
 367
 368	if (fakepower & ((1 << WM8400_INMIXL_PWR) |
 369		(1 << WM8400_AINLMUX_PWR))) {
 370		reg |= WM8400_AINL_ENA;
 371	} else {
 372		reg &= ~WM8400_AINL_ENA;
 373	}
 374
 375	if (fakepower & ((1 << WM8400_INMIXR_PWR) |
 376		(1 << WM8400_AINRMUX_PWR))) {
 377		reg |= WM8400_AINR_ENA;
 378	} else {
 379		reg &= ~WM8400_AINR_ENA;
 380	}
 381	snd_soc_write(w->codec, WM8400_POWER_MANAGEMENT_2, reg);
 382
 383	return 0;
 384}
 385
 386static int outmixer_event (struct snd_soc_dapm_widget *w,
 387	struct snd_kcontrol * kcontrol, int event)
 388{
 
 389	struct soc_mixer_control *mc =
 390		(struct soc_mixer_control *)kcontrol->private_value;
 391	u32 reg_shift = mc->shift;
 392	int ret = 0;
 393	u16 reg;
 394
 395	switch (reg_shift) {
 396	case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) :
 397		reg = snd_soc_read(w->codec, WM8400_OUTPUT_MIXER1);
 398		if (reg & WM8400_LDLO) {
 399			printk(KERN_WARNING
 400			"Cannot set as Output Mixer 1 LDLO Set\n");
 401			ret = -1;
 402		}
 403		break;
 404	case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8):
 405		reg = snd_soc_read(w->codec, WM8400_OUTPUT_MIXER2);
 406		if (reg & WM8400_RDRO) {
 407			printk(KERN_WARNING
 408			"Cannot set as Output Mixer 2 RDRO Set\n");
 409			ret = -1;
 410		}
 411		break;
 412	case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8):
 413		reg = snd_soc_read(w->codec, WM8400_SPEAKER_MIXER);
 414		if (reg & WM8400_LDSPK) {
 415			printk(KERN_WARNING
 416			"Cannot set as Speaker Mixer LDSPK Set\n");
 417			ret = -1;
 418		}
 419		break;
 420	case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8):
 421		reg = snd_soc_read(w->codec, WM8400_SPEAKER_MIXER);
 422		if (reg & WM8400_RDSPK) {
 423			printk(KERN_WARNING
 424			"Cannot set as Speaker Mixer RDSPK Set\n");
 425			ret = -1;
 426		}
 427		break;
 428	}
 429
 430	return ret;
 431}
 432
 433/* INMIX dB values */
 434static const unsigned int in_mix_tlv[] = {
 435	TLV_DB_RANGE_HEAD(1),
 436	0,7, TLV_DB_SCALE_ITEM(-1200, 600, 0),
 437};
 438
 439/* Left In PGA Connections */
 440static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = {
 441SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0),
 442SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0),
 443};
 444
 445static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = {
 446SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0),
 447SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0),
 448};
 449
 450/* Right In PGA Connections */
 451static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = {
 452SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0),
 453SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0),
 454};
 455
 456static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = {
 457SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0),
 458SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0),
 459};
 460
 461/* INMIXL */
 462static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = {
 463SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3,
 464	WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv),
 465SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT,
 466	7, 0, in_mix_tlv),
 467SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
 468		1, 0),
 469SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
 470		1, 0),
 471};
 472
 473/* INMIXR */
 474static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = {
 475SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4,
 476	WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv),
 477SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT,
 478	7, 0, in_mix_tlv),
 479SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
 480	1, 0),
 481SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
 482	1, 0),
 483};
 484
 485/* AINLMUX */
 486static const char *wm8400_ainlmux[] =
 487	{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
 488
 489static const struct soc_enum wm8400_ainlmux_enum =
 490SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT,
 491	ARRAY_SIZE(wm8400_ainlmux), wm8400_ainlmux);
 
 492
 493static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls =
 494SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum);
 495
 496/* DIFFINL */
 497
 498/* AINRMUX */
 499static const char *wm8400_ainrmux[] =
 500	{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
 501
 502static const struct soc_enum wm8400_ainrmux_enum =
 503SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT,
 504	ARRAY_SIZE(wm8400_ainrmux), wm8400_ainrmux);
 
 505
 506static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls =
 507SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum);
 508
 509/* RXVOICE */
 510static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = {
 511SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT,
 512			WM8400_LR4BVOL_MASK, 0, in_mix_tlv),
 513SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT,
 514			WM8400_RL4BVOL_MASK, 0, in_mix_tlv),
 515};
 516
 517/* LOMIX */
 518static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = {
 519SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
 520	WM8400_LRBLO_SHIFT, 1, 0),
 521SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
 522	WM8400_LLBLO_SHIFT, 1, 0),
 523SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
 524	WM8400_LRI3LO_SHIFT, 1, 0),
 525SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
 526	WM8400_LLI3LO_SHIFT, 1, 0),
 527SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
 528	WM8400_LR12LO_SHIFT, 1, 0),
 529SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
 530	WM8400_LL12LO_SHIFT, 1, 0),
 531SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1,
 532	WM8400_LDLO_SHIFT, 1, 0),
 533};
 534
 535/* ROMIX */
 536static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = {
 537SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
 538	WM8400_RLBRO_SHIFT, 1, 0),
 539SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
 540	WM8400_RRBRO_SHIFT, 1, 0),
 541SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
 542	WM8400_RLI3RO_SHIFT, 1, 0),
 543SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
 544	WM8400_RRI3RO_SHIFT, 1, 0),
 545SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
 546	WM8400_RL12RO_SHIFT, 1, 0),
 547SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
 548	WM8400_RR12RO_SHIFT, 1, 0),
 549SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2,
 550	WM8400_RDRO_SHIFT, 1, 0),
 551};
 552
 553/* LONMIX */
 554static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = {
 555SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
 556	WM8400_LLOPGALON_SHIFT, 1, 0),
 557SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1,
 558	WM8400_LROPGALON_SHIFT, 1, 0),
 559SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1,
 560	WM8400_LOPLON_SHIFT, 1, 0),
 561};
 562
 563/* LOPMIX */
 564static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = {
 565SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1,
 566	WM8400_LR12LOP_SHIFT, 1, 0),
 567SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1,
 568	WM8400_LL12LOP_SHIFT, 1, 0),
 569SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
 570	WM8400_LLOPGALOP_SHIFT, 1, 0),
 571};
 572
 573/* RONMIX */
 574static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = {
 575SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
 576	WM8400_RROPGARON_SHIFT, 1, 0),
 577SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2,
 578	WM8400_RLOPGARON_SHIFT, 1, 0),
 579SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2,
 580	WM8400_ROPRON_SHIFT, 1, 0),
 581};
 582
 583/* ROPMIX */
 584static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = {
 585SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2,
 586	WM8400_RL12ROP_SHIFT, 1, 0),
 587SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2,
 588	WM8400_RR12ROP_SHIFT, 1, 0),
 589SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
 590	WM8400_RROPGAROP_SHIFT, 1, 0),
 591};
 592
 593/* OUT3MIX */
 594static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = {
 595SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
 596	WM8400_LI4O3_SHIFT, 1, 0),
 597SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER,
 598	WM8400_LPGAO3_SHIFT, 1, 0),
 599};
 600
 601/* OUT4MIX */
 602static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = {
 603SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER,
 604	WM8400_RPGAO4_SHIFT, 1, 0),
 605SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
 606	WM8400_RI4O4_SHIFT, 1, 0),
 607};
 608
 609/* SPKMIX */
 610static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = {
 611SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
 612	WM8400_LI2SPK_SHIFT, 1, 0),
 613SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER,
 614	WM8400_LB2SPK_SHIFT, 1, 0),
 615SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER,
 616	WM8400_LOPGASPK_SHIFT, 1, 0),
 617SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER,
 618	WM8400_LDSPK_SHIFT, 1, 0),
 619SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER,
 620	WM8400_RDSPK_SHIFT, 1, 0),
 621SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER,
 622	WM8400_ROPGASPK_SHIFT, 1, 0),
 623SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER,
 624	WM8400_RL12ROP_SHIFT, 1, 0),
 625SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
 626	WM8400_RI2SPK_SHIFT, 1, 0),
 627};
 628
 629static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = {
 630/* Input Side */
 631/* Input Lines */
 632SND_SOC_DAPM_INPUT("LIN1"),
 633SND_SOC_DAPM_INPUT("LIN2"),
 634SND_SOC_DAPM_INPUT("LIN3"),
 635SND_SOC_DAPM_INPUT("LIN4/RXN"),
 636SND_SOC_DAPM_INPUT("RIN3"),
 637SND_SOC_DAPM_INPUT("RIN4/RXP"),
 638SND_SOC_DAPM_INPUT("RIN1"),
 639SND_SOC_DAPM_INPUT("RIN2"),
 640SND_SOC_DAPM_INPUT("Internal ADC Source"),
 641
 642/* DACs */
 643SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2,
 644	WM8400_ADCL_ENA_SHIFT, 0),
 645SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2,
 646	WM8400_ADCR_ENA_SHIFT, 0),
 647
 648/* Input PGAs */
 649SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2,
 650		   WM8400_LIN12_ENA_SHIFT,
 651		   0, &wm8400_dapm_lin12_pga_controls[0],
 652		   ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)),
 653SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2,
 654		   WM8400_LIN34_ENA_SHIFT,
 655		   0, &wm8400_dapm_lin34_pga_controls[0],
 656		   ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)),
 657SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2,
 658		   WM8400_RIN12_ENA_SHIFT,
 659		   0, &wm8400_dapm_rin12_pga_controls[0],
 660		   ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)),
 661SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2,
 662		   WM8400_RIN34_ENA_SHIFT,
 663		   0, &wm8400_dapm_rin34_pga_controls[0],
 664		   ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)),
 665
 
 
 
 
 
 666/* INMIXL */
 667SND_SOC_DAPM_MIXER_E("INMIXL", WM8400_INTDRIVBITS, WM8400_INMIXL_PWR, 0,
 668	&wm8400_dapm_inmixl_controls[0],
 669	ARRAY_SIZE(wm8400_dapm_inmixl_controls),
 670	inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 671
 672/* AINLMUX */
 673SND_SOC_DAPM_MUX_E("AILNMUX", WM8400_INTDRIVBITS, WM8400_AINLMUX_PWR, 0,
 674	&wm8400_dapm_ainlmux_controls, inmixer_event,
 675	SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 676
 677/* INMIXR */
 678SND_SOC_DAPM_MIXER_E("INMIXR", WM8400_INTDRIVBITS, WM8400_INMIXR_PWR, 0,
 679	&wm8400_dapm_inmixr_controls[0],
 680	ARRAY_SIZE(wm8400_dapm_inmixr_controls),
 681	inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 682
 683/* AINRMUX */
 684SND_SOC_DAPM_MUX_E("AIRNMUX", WM8400_INTDRIVBITS, WM8400_AINRMUX_PWR, 0,
 685	&wm8400_dapm_ainrmux_controls, inmixer_event,
 686	SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 687
 688/* Output Side */
 689/* DACs */
 690SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3,
 691	WM8400_DACL_ENA_SHIFT, 0),
 692SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3,
 693	WM8400_DACR_ENA_SHIFT, 0),
 694
 695/* LOMIX */
 696SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3,
 697		     WM8400_LOMIX_ENA_SHIFT,
 698		     0, &wm8400_dapm_lomix_controls[0],
 699		     ARRAY_SIZE(wm8400_dapm_lomix_controls),
 700		     outmixer_event, SND_SOC_DAPM_PRE_REG),
 701
 702/* LONMIX */
 703SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT,
 704		   0, &wm8400_dapm_lonmix_controls[0],
 705		   ARRAY_SIZE(wm8400_dapm_lonmix_controls)),
 706
 707/* LOPMIX */
 708SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT,
 709		   0, &wm8400_dapm_lopmix_controls[0],
 710		   ARRAY_SIZE(wm8400_dapm_lopmix_controls)),
 711
 712/* OUT3MIX */
 713SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT,
 714		   0, &wm8400_dapm_out3mix_controls[0],
 715		   ARRAY_SIZE(wm8400_dapm_out3mix_controls)),
 716
 717/* SPKMIX */
 718SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT,
 719		     0, &wm8400_dapm_spkmix_controls[0],
 720		     ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event,
 721		     SND_SOC_DAPM_PRE_REG),
 722
 723/* OUT4MIX */
 724SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT,
 725	0, &wm8400_dapm_out4mix_controls[0],
 726	ARRAY_SIZE(wm8400_dapm_out4mix_controls)),
 727
 728/* ROPMIX */
 729SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT,
 730		   0, &wm8400_dapm_ropmix_controls[0],
 731		   ARRAY_SIZE(wm8400_dapm_ropmix_controls)),
 732
 733/* RONMIX */
 734SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT,
 735		   0, &wm8400_dapm_ronmix_controls[0],
 736		   ARRAY_SIZE(wm8400_dapm_ronmix_controls)),
 737
 738/* ROMIX */
 739SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3,
 740		     WM8400_ROMIX_ENA_SHIFT,
 741		     0, &wm8400_dapm_romix_controls[0],
 742		     ARRAY_SIZE(wm8400_dapm_romix_controls),
 743		     outmixer_event, SND_SOC_DAPM_PRE_REG),
 744
 745/* LOUT PGA */
 746SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT,
 747		 0, NULL, 0),
 748
 749/* ROUT PGA */
 750SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT,
 751		 0, NULL, 0),
 752
 753/* LOPGA */
 754SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0,
 755	NULL, 0),
 756
 757/* ROPGA */
 758SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0,
 759	NULL, 0),
 760
 761/* MICBIAS */
 762SND_SOC_DAPM_SUPPLY("MICBIAS", WM8400_POWER_MANAGEMENT_1,
 763		    WM8400_MIC1BIAS_ENA_SHIFT, 0, NULL, 0),
 764
 765SND_SOC_DAPM_OUTPUT("LON"),
 766SND_SOC_DAPM_OUTPUT("LOP"),
 767SND_SOC_DAPM_OUTPUT("OUT3"),
 768SND_SOC_DAPM_OUTPUT("LOUT"),
 769SND_SOC_DAPM_OUTPUT("SPKN"),
 770SND_SOC_DAPM_OUTPUT("SPKP"),
 771SND_SOC_DAPM_OUTPUT("ROUT"),
 772SND_SOC_DAPM_OUTPUT("OUT4"),
 773SND_SOC_DAPM_OUTPUT("ROP"),
 774SND_SOC_DAPM_OUTPUT("RON"),
 775
 776SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
 777};
 778
 779static const struct snd_soc_dapm_route wm8400_dapm_routes[] = {
 780	/* Make DACs turn on when playing even if not mixed into any outputs */
 781	{"Internal DAC Sink", NULL, "Left DAC"},
 782	{"Internal DAC Sink", NULL, "Right DAC"},
 783
 784	/* Make ADCs turn on when recording
 785	 * even if not mixed from any inputs */
 786	{"Left ADC", NULL, "Internal ADC Source"},
 787	{"Right ADC", NULL, "Internal ADC Source"},
 788
 789	/* Input Side */
 790	/* LIN12 PGA */
 791	{"LIN12 PGA", "LIN1 Switch", "LIN1"},
 792	{"LIN12 PGA", "LIN2 Switch", "LIN2"},
 793	/* LIN34 PGA */
 794	{"LIN34 PGA", "LIN3 Switch", "LIN3"},
 795	{"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
 796	/* INMIXL */
 
 797	{"INMIXL", "Record Left Volume", "LOMIX"},
 798	{"INMIXL", "LIN2 Volume", "LIN2"},
 799	{"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
 800	{"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
 801	/* AILNMUX */
 
 802	{"AILNMUX", "INMIXL Mix", "INMIXL"},
 803	{"AILNMUX", "DIFFINL Mix", "LIN12 PGA"},
 804	{"AILNMUX", "DIFFINL Mix", "LIN34 PGA"},
 805	{"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
 806	{"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
 807	/* ADC */
 808	{"Left ADC", NULL, "AILNMUX"},
 809
 810	/* RIN12 PGA */
 811	{"RIN12 PGA", "RIN1 Switch", "RIN1"},
 812	{"RIN12 PGA", "RIN2 Switch", "RIN2"},
 813	/* RIN34 PGA */
 814	{"RIN34 PGA", "RIN3 Switch", "RIN3"},
 815	{"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
 816	/* INMIXL */
 
 817	{"INMIXR", "Record Right Volume", "ROMIX"},
 818	{"INMIXR", "RIN2 Volume", "RIN2"},
 819	{"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
 820	{"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
 821	/* AIRNMUX */
 
 822	{"AIRNMUX", "INMIXR Mix", "INMIXR"},
 823	{"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"},
 824	{"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"},
 825	{"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"},
 826	{"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
 827	/* ADC */
 828	{"Right ADC", NULL, "AIRNMUX"},
 829
 830	/* LOMIX */
 831	{"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
 832	{"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
 833	{"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 834	{"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 835	{"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"},
 836	{"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"},
 837	{"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
 838
 839	/* ROMIX */
 840	{"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
 841	{"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
 842	{"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
 843	{"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
 844	{"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"},
 845	{"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"},
 846	{"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
 847
 848	/* SPKMIX */
 849	{"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
 850	{"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
 851	{"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"},
 852	{"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"},
 853	{"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
 854	{"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
 855	{"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
 856	{"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
 857
 858	/* LONMIX */
 859	{"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
 860	{"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
 861	{"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
 862
 863	/* LOPMIX */
 864	{"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 865	{"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 866	{"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
 867
 868	/* OUT3MIX */
 869	{"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
 870	{"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
 871
 872	/* OUT4MIX */
 873	{"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
 874	{"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
 875
 876	/* RONMIX */
 877	{"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
 878	{"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
 879	{"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
 880
 881	/* ROPMIX */
 882	{"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
 883	{"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
 884	{"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
 885
 886	/* Out Mixer PGAs */
 887	{"LOPGA", NULL, "LOMIX"},
 888	{"ROPGA", NULL, "ROMIX"},
 889
 890	{"LOUT PGA", NULL, "LOMIX"},
 891	{"ROUT PGA", NULL, "ROMIX"},
 892
 893	/* Output Pins */
 894	{"LON", NULL, "LONMIX"},
 895	{"LOP", NULL, "LOPMIX"},
 896	{"OUT3", NULL, "OUT3MIX"},
 897	{"LOUT", NULL, "LOUT PGA"},
 898	{"SPKN", NULL, "SPKMIX"},
 899	{"ROUT", NULL, "ROUT PGA"},
 900	{"OUT4", NULL, "OUT4MIX"},
 901	{"ROP", NULL, "ROPMIX"},
 902	{"RON", NULL, "RONMIX"},
 903};
 904
 905/*
 906 * Clock after FLL and dividers
 907 */
 908static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 909		int clk_id, unsigned int freq, int dir)
 910{
 911	struct snd_soc_codec *codec = codec_dai->codec;
 912	struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
 913
 914	wm8400->sysclk = freq;
 915	return 0;
 916}
 917
 918struct fll_factors {
 919	u16 n;
 920	u16 k;
 921	u16 outdiv;
 922	u16 fratio;
 923	u16 freq_ref;
 924};
 925
 926#define FIXED_FLL_SIZE ((1 << 16) * 10)
 927
 928static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors,
 929		       unsigned int Fref, unsigned int Fout)
 930{
 931	u64 Kpart;
 932	unsigned int K, Nmod, target;
 933
 934	factors->outdiv = 2;
 935	while (Fout * factors->outdiv <  90000000 ||
 936	       Fout * factors->outdiv > 100000000) {
 937		factors->outdiv *= 2;
 938		if (factors->outdiv > 32) {
 939			dev_err(wm8400->wm8400->dev,
 940				"Unsupported FLL output frequency %uHz\n",
 941				Fout);
 942			return -EINVAL;
 943		}
 944	}
 945	target = Fout * factors->outdiv;
 946	factors->outdiv = factors->outdiv >> 2;
 947
 948	if (Fref < 48000)
 949		factors->freq_ref = 1;
 950	else
 951		factors->freq_ref = 0;
 952
 953	if (Fref < 1000000)
 954		factors->fratio = 9;
 955	else
 956		factors->fratio = 0;
 957
 958	/* Ensure we have a fractional part */
 959	do {
 960		if (Fref < 1000000)
 961			factors->fratio--;
 962		else
 963			factors->fratio++;
 964
 965		if (factors->fratio < 1 || factors->fratio > 8) {
 966			dev_err(wm8400->wm8400->dev,
 967				"Unable to calculate FRATIO\n");
 968			return -EINVAL;
 969		}
 970
 971		factors->n = target / (Fref * factors->fratio);
 972		Nmod = target % (Fref * factors->fratio);
 973	} while (Nmod == 0);
 974
 975	/* Calculate fractional part - scale up so we can round. */
 976	Kpart = FIXED_FLL_SIZE * (long long)Nmod;
 977
 978	do_div(Kpart, (Fref * factors->fratio));
 979
 980	K = Kpart & 0xFFFFFFFF;
 981
 982	if ((K % 10) >= 5)
 983		K += 5;
 984
 985	/* Move down to proper range now rounding is done */
 986	factors->k = K / 10;
 987
 988	dev_dbg(wm8400->wm8400->dev,
 989		"FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n",
 990		Fref, Fout,
 991		factors->n, factors->k, factors->fratio, factors->outdiv);
 992
 993	return 0;
 994}
 995
 996static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
 997			      int source, unsigned int freq_in,
 998			      unsigned int freq_out)
 999{
1000	struct snd_soc_codec *codec = codec_dai->codec;
1001	struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
1002	struct fll_factors factors;
1003	int ret;
1004	u16 reg;
1005
1006	if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out)
1007		return 0;
1008
1009	if (freq_out) {
1010		ret = fll_factors(wm8400, &factors, freq_in, freq_out);
1011		if (ret != 0)
1012			return ret;
1013	} else {
1014		/* Bodge GCC 4.4.0 uninitialised variable warning - it
1015		 * doesn't seem capable of working out that we exit if
1016		 * freq_out is 0 before any of the uses. */
1017		memset(&factors, 0, sizeof(factors));
1018	}
1019
1020	wm8400->fll_out = freq_out;
1021	wm8400->fll_in = freq_in;
1022
1023	/* We *must* disable the FLL before any changes */
1024	reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_2);
1025	reg &= ~WM8400_FLL_ENA;
1026	snd_soc_write(codec, WM8400_POWER_MANAGEMENT_2, reg);
1027
1028	reg = snd_soc_read(codec, WM8400_FLL_CONTROL_1);
1029	reg &= ~WM8400_FLL_OSC_ENA;
1030	snd_soc_write(codec, WM8400_FLL_CONTROL_1, reg);
1031
1032	if (!freq_out)
1033		return 0;
1034
1035	reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK);
1036	reg |= WM8400_FLL_FRAC | factors.fratio;
1037	reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT;
1038	snd_soc_write(codec, WM8400_FLL_CONTROL_1, reg);
1039
1040	snd_soc_write(codec, WM8400_FLL_CONTROL_2, factors.k);
1041	snd_soc_write(codec, WM8400_FLL_CONTROL_3, factors.n);
1042
1043	reg = snd_soc_read(codec, WM8400_FLL_CONTROL_4);
1044	reg &= ~WM8400_FLL_OUTDIV_MASK;
1045	reg |= factors.outdiv;
1046	snd_soc_write(codec, WM8400_FLL_CONTROL_4, reg);
1047
1048	return 0;
1049}
1050
1051/*
1052 * Sets ADC and Voice DAC format.
1053 */
1054static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai,
1055		unsigned int fmt)
1056{
1057	struct snd_soc_codec *codec = codec_dai->codec;
1058	u16 audio1, audio3;
1059
1060	audio1 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_1);
1061	audio3 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_3);
1062
1063	/* set master/slave audio interface */
1064	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1065	case SND_SOC_DAIFMT_CBS_CFS:
1066		audio3 &= ~WM8400_AIF_MSTR1;
1067		break;
1068	case SND_SOC_DAIFMT_CBM_CFM:
1069		audio3 |= WM8400_AIF_MSTR1;
1070		break;
1071	default:
1072		return -EINVAL;
1073	}
1074
1075	audio1 &= ~WM8400_AIF_FMT_MASK;
1076
1077	/* interface format */
1078	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1079	case SND_SOC_DAIFMT_I2S:
1080		audio1 |= WM8400_AIF_FMT_I2S;
1081		audio1 &= ~WM8400_AIF_LRCLK_INV;
1082		break;
1083	case SND_SOC_DAIFMT_RIGHT_J:
1084		audio1 |= WM8400_AIF_FMT_RIGHTJ;
1085		audio1 &= ~WM8400_AIF_LRCLK_INV;
1086		break;
1087	case SND_SOC_DAIFMT_LEFT_J:
1088		audio1 |= WM8400_AIF_FMT_LEFTJ;
1089		audio1 &= ~WM8400_AIF_LRCLK_INV;
1090		break;
1091	case SND_SOC_DAIFMT_DSP_A:
1092		audio1 |= WM8400_AIF_FMT_DSP;
1093		audio1 &= ~WM8400_AIF_LRCLK_INV;
1094		break;
1095	case SND_SOC_DAIFMT_DSP_B:
1096		audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV;
1097		break;
1098	default:
1099		return -EINVAL;
1100	}
1101
1102	snd_soc_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1103	snd_soc_write(codec, WM8400_AUDIO_INTERFACE_3, audio3);
1104	return 0;
1105}
1106
1107static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1108		int div_id, int div)
1109{
1110	struct snd_soc_codec *codec = codec_dai->codec;
1111	u16 reg;
1112
1113	switch (div_id) {
1114	case WM8400_MCLK_DIV:
1115		reg = snd_soc_read(codec, WM8400_CLOCKING_2) &
1116			~WM8400_MCLK_DIV_MASK;
1117		snd_soc_write(codec, WM8400_CLOCKING_2, reg | div);
1118		break;
1119	case WM8400_DACCLK_DIV:
1120		reg = snd_soc_read(codec, WM8400_CLOCKING_2) &
1121			~WM8400_DAC_CLKDIV_MASK;
1122		snd_soc_write(codec, WM8400_CLOCKING_2, reg | div);
1123		break;
1124	case WM8400_ADCCLK_DIV:
1125		reg = snd_soc_read(codec, WM8400_CLOCKING_2) &
1126			~WM8400_ADC_CLKDIV_MASK;
1127		snd_soc_write(codec, WM8400_CLOCKING_2, reg | div);
1128		break;
1129	case WM8400_BCLK_DIV:
1130		reg = snd_soc_read(codec, WM8400_CLOCKING_1) &
1131			~WM8400_BCLK_DIV_MASK;
1132		snd_soc_write(codec, WM8400_CLOCKING_1, reg | div);
1133		break;
1134	default:
1135		return -EINVAL;
1136	}
1137
1138	return 0;
1139}
1140
1141/*
1142 * Set PCM DAI bit size and sample rate.
1143 */
1144static int wm8400_hw_params(struct snd_pcm_substream *substream,
1145	struct snd_pcm_hw_params *params,
1146	struct snd_soc_dai *dai)
1147{
1148	struct snd_soc_codec *codec = dai->codec;
1149	u16 audio1 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_1);
1150
1151	audio1 &= ~WM8400_AIF_WL_MASK;
1152	/* bit size */
1153	switch (params_format(params)) {
1154	case SNDRV_PCM_FORMAT_S16_LE:
1155		break;
1156	case SNDRV_PCM_FORMAT_S20_3LE:
1157		audio1 |= WM8400_AIF_WL_20BITS;
1158		break;
1159	case SNDRV_PCM_FORMAT_S24_LE:
1160		audio1 |= WM8400_AIF_WL_24BITS;
1161		break;
1162	case SNDRV_PCM_FORMAT_S32_LE:
1163		audio1 |= WM8400_AIF_WL_32BITS;
1164		break;
1165	}
1166
1167	snd_soc_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
1168	return 0;
1169}
1170
1171static int wm8400_mute(struct snd_soc_dai *dai, int mute)
1172{
1173	struct snd_soc_codec *codec = dai->codec;
1174	u16 val = snd_soc_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE;
1175
1176	if (mute)
1177		snd_soc_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1178	else
1179		snd_soc_write(codec, WM8400_DAC_CTRL, val);
1180
1181	return 0;
1182}
1183
1184/* TODO: set bias for best performance at standby */
1185static int wm8400_set_bias_level(struct snd_soc_codec *codec,
1186				 enum snd_soc_bias_level level)
1187{
1188	struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec);
1189	u16 val;
1190	int ret;
1191
1192	switch (level) {
1193	case SND_SOC_BIAS_ON:
1194		break;
1195
1196	case SND_SOC_BIAS_PREPARE:
1197		/* VMID=2*50k */
1198		val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1) &
1199			~WM8400_VMID_MODE_MASK;
1200		snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2);
1201		break;
1202
1203	case SND_SOC_BIAS_STANDBY:
1204		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1205			ret = regulator_bulk_enable(ARRAY_SIZE(power),
1206						    &power[0]);
1207			if (ret != 0) {
1208				dev_err(wm8400->wm8400->dev,
1209					"Failed to enable regulators: %d\n",
1210					ret);
1211				return ret;
1212			}
1213
1214			snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1,
1215				     WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
1216
1217			/* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1218			snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1219				     WM8400_BUFDCOPEN | WM8400_POBCTRL);
1220
1221			msleep(50);
1222
1223			/* Enable VREF & VMID at 2x50k */
1224			val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1);
1225			val |= 0x2 | WM8400_VREF_ENA;
1226			snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1227
1228			/* Enable BUFIOEN */
1229			snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1230				     WM8400_BUFDCOPEN | WM8400_POBCTRL |
1231				     WM8400_BUFIOEN);
1232
1233			/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1234			snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN);
1235		}
1236
1237		/* VMID=2*300k */
1238		val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1) &
1239			~WM8400_VMID_MODE_MASK;
1240		snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4);
1241		break;
1242
1243	case SND_SOC_BIAS_OFF:
1244		/* Enable POBCTRL and SOFT_ST */
1245		snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1246			WM8400_POBCTRL | WM8400_BUFIOEN);
1247
1248		/* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1249		snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
1250			WM8400_BUFDCOPEN | WM8400_POBCTRL |
1251			WM8400_BUFIOEN);
1252
1253		/* mute DAC */
1254		val = snd_soc_read(codec, WM8400_DAC_CTRL);
1255		snd_soc_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
1256
1257		/* Enable any disabled outputs */
1258		val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1);
1259		val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
1260			WM8400_OUT4_ENA | WM8400_LOUT_ENA |
1261			WM8400_ROUT_ENA;
1262		snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1263
1264		/* Disable VMID */
1265		val &= ~WM8400_VMID_MODE_MASK;
1266		snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1267
1268		msleep(300);
1269
1270		/* Enable all output discharge bits */
1271		snd_soc_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
1272			WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
1273			WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
1274			WM8400_DIS_ROUT);
1275
1276		/* Disable VREF */
1277		val &= ~WM8400_VREF_ENA;
1278		snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val);
1279
1280		/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1281		snd_soc_write(codec, WM8400_ANTIPOP2, 0x0);
1282
1283		ret = regulator_bulk_disable(ARRAY_SIZE(power),
1284					     &power[0]);
1285		if (ret != 0)
1286			return ret;
1287
1288		break;
1289	}
1290
1291	codec->dapm.bias_level = level;
1292	return 0;
1293}
1294
1295#define WM8400_RATES SNDRV_PCM_RATE_8000_96000
1296
1297#define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1298	SNDRV_PCM_FMTBIT_S24_LE)
1299
1300static const struct snd_soc_dai_ops wm8400_dai_ops = {
1301	.hw_params = wm8400_hw_params,
1302	.digital_mute = wm8400_mute,
1303	.set_fmt = wm8400_set_dai_fmt,
1304	.set_clkdiv = wm8400_set_dai_clkdiv,
1305	.set_sysclk = wm8400_set_dai_sysclk,
1306	.set_pll = wm8400_set_dai_pll,
 
1307};
1308
1309/*
1310 * The WM8400 supports 2 different and mutually exclusive DAI
1311 * configurations.
1312 *
1313 * 1. ADC/DAC on Primary Interface
1314 * 2. ADC on Primary Interface/DAC on secondary
1315 */
1316static struct snd_soc_dai_driver wm8400_dai = {
1317/* ADC/DAC on primary */
1318	.name = "wm8400-hifi",
1319	.playback = {
1320		.stream_name = "Playback",
1321		.channels_min = 1,
1322		.channels_max = 2,
1323		.rates = WM8400_RATES,
1324		.formats = WM8400_FORMATS,
1325	},
1326	.capture = {
1327		.stream_name = "Capture",
1328		.channels_min = 1,
1329		.channels_max = 2,
1330		.rates = WM8400_RATES,
1331		.formats = WM8400_FORMATS,
1332	},
1333	.ops = &wm8400_dai_ops,
1334};
1335
1336static int wm8400_suspend(struct snd_soc_codec *codec)
1337{
1338	wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
1339
1340	return 0;
1341}
1342
1343static int wm8400_resume(struct snd_soc_codec *codec)
1344{
1345	wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1346
1347	return 0;
1348}
1349
1350static void wm8400_probe_deferred(struct work_struct *work)
1351{
1352	struct wm8400_priv *priv = container_of(work, struct wm8400_priv,
1353						work);
1354	struct snd_soc_codec *codec = priv->codec;
1355
1356	/* charge output caps */
1357	wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1358}
1359
1360static int wm8400_codec_probe(struct snd_soc_codec *codec)
1361{
1362	struct wm8400 *wm8400 = dev_get_platdata(codec->dev);
1363	struct wm8400_priv *priv;
1364	int ret;
1365	u16 reg;
1366
1367	priv = devm_kzalloc(codec->dev, sizeof(struct wm8400_priv),
1368			    GFP_KERNEL);
1369	if (priv == NULL)
1370		return -ENOMEM;
1371
1372	snd_soc_codec_set_drvdata(codec, priv);
1373	codec->control_data = priv->wm8400 = wm8400;
1374	priv->codec = codec;
1375
1376	ret = regulator_bulk_get(wm8400->dev,
1377				 ARRAY_SIZE(power), &power[0]);
1378	if (ret != 0) {
1379		dev_err(codec->dev, "Failed to get regulators: %d\n", ret);
1380		return ret;
1381	}
1382
1383	INIT_WORK(&priv->work, wm8400_probe_deferred);
1384
1385	wm8400_codec_reset(codec);
1386
1387	reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1);
1388	snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA);
1389
1390	/* Latch volume update bits */
1391	reg = snd_soc_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME);
1392	snd_soc_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
1393		     reg & WM8400_IPVU);
1394	reg = snd_soc_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME);
1395	snd_soc_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
1396		     reg & WM8400_IPVU);
1397
1398	snd_soc_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1399	snd_soc_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1400
1401	if (!schedule_work(&priv->work)) {
1402		ret = -EINVAL;
1403		goto err_regulator;
1404	}
1405	return 0;
1406
1407err_regulator:
1408	regulator_bulk_free(ARRAY_SIZE(power), power);
1409	return ret;
1410}
1411
1412static int  wm8400_codec_remove(struct snd_soc_codec *codec)
1413{
1414	u16 reg;
1415
1416	reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1);
1417	snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1,
1418		     reg & (~WM8400_CODEC_ENA));
1419
1420	regulator_bulk_free(ARRAY_SIZE(power), power);
1421
1422	return 0;
1423}
1424
1425static struct snd_soc_codec_driver soc_codec_dev_wm8400 = {
1426	.probe =	wm8400_codec_probe,
1427	.remove =	wm8400_codec_remove,
1428	.suspend =	wm8400_suspend,
1429	.resume =	wm8400_resume,
1430	.read = snd_soc_read,
1431	.write = wm8400_write,
1432	.set_bias_level = wm8400_set_bias_level,
1433
1434	.controls = wm8400_snd_controls,
1435	.num_controls = ARRAY_SIZE(wm8400_snd_controls),
1436	.dapm_widgets = wm8400_dapm_widgets,
1437	.num_dapm_widgets = ARRAY_SIZE(wm8400_dapm_widgets),
1438	.dapm_routes = wm8400_dapm_routes,
1439	.num_dapm_routes = ARRAY_SIZE(wm8400_dapm_routes),
1440};
1441
1442static int __devinit wm8400_probe(struct platform_device *pdev)
1443{
1444	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8400,
 
1445			&wm8400_dai, 1);
1446}
1447
1448static int __devexit wm8400_remove(struct platform_device *pdev)
1449{
1450	snd_soc_unregister_codec(&pdev->dev);
1451	return 0;
1452}
1453
1454static struct platform_driver wm8400_codec_driver = {
1455	.driver = {
1456		   .name = "wm8400-codec",
1457		   .owner = THIS_MODULE,
1458		   },
1459	.probe = wm8400_probe,
1460	.remove = __devexit_p(wm8400_remove),
1461};
1462
1463module_platform_driver(wm8400_codec_driver);
1464
1465MODULE_DESCRIPTION("ASoC WM8400 driver");
1466MODULE_AUTHOR("Mark Brown");
1467MODULE_LICENSE("GPL");
1468MODULE_ALIAS("platform:wm8400-codec");