| /* | 
 |  * wm8990.c  --  WM8990 ALSA Soc Audio driver | 
 |  * | 
 |  * Copyright 2008 Wolfson Microelectronics PLC. | 
 |  * Author: Liam Girdwood <lrg@slimlogic.co.uk> | 
 |  * | 
 |  *  This program is free software; you can redistribute  it and/or modify it | 
 |  *  under  the terms of  the GNU General  Public License as published by the | 
 |  *  Free Software Foundation;  either version 2 of the  License, or (at your | 
 |  *  option) any later version. | 
 |  */ | 
 |  | 
 | #include <linux/module.h> | 
 | #include <linux/moduleparam.h> | 
 | #include <linux/kernel.h> | 
 | #include <linux/init.h> | 
 | #include <linux/delay.h> | 
 | #include <linux/pm.h> | 
 | #include <linux/i2c.h> | 
 | #include <linux/slab.h> | 
 | #include <sound/core.h> | 
 | #include <sound/pcm.h> | 
 | #include <sound/pcm_params.h> | 
 | #include <sound/soc.h> | 
 | #include <sound/initval.h> | 
 | #include <sound/tlv.h> | 
 | #include <asm/div64.h> | 
 |  | 
 | #include "wm8990.h" | 
 |  | 
 | /* codec private data */ | 
 | struct wm8990_priv { | 
 | 	enum snd_soc_control_type control_type; | 
 | 	unsigned int sysclk; | 
 | 	unsigned int pcmclk; | 
 | }; | 
 |  | 
 | static int wm8990_volatile_register(struct snd_soc_codec *codec, | 
 | 				    unsigned int reg) | 
 | { | 
 | 	switch (reg) { | 
 | 	case WM8990_RESET: | 
 | 		return 1; | 
 | 	default: | 
 | 		return 0; | 
 | 	} | 
 | } | 
 |  | 
 | static const u16 wm8990_reg[] = { | 
 | 	0x8990,     /* R0  - Reset */ | 
 | 	0x0000,     /* R1  - Power Management (1) */ | 
 | 	0x6000,     /* R2  - Power Management (2) */ | 
 | 	0x0000,     /* R3  - Power Management (3) */ | 
 | 	0x4050,     /* R4  - Audio Interface (1) */ | 
 | 	0x4000,     /* R5  - Audio Interface (2) */ | 
 | 	0x01C8,     /* R6  - Clocking (1) */ | 
 | 	0x0000,     /* R7  - Clocking (2) */ | 
 | 	0x0040,     /* R8  - Audio Interface (3) */ | 
 | 	0x0040,     /* R9  - Audio Interface (4) */ | 
 | 	0x0004,     /* R10 - DAC CTRL */ | 
 | 	0x00C0,     /* R11 - Left DAC Digital Volume */ | 
 | 	0x00C0,     /* R12 - Right DAC Digital Volume */ | 
 | 	0x0000,     /* R13 - Digital Side Tone */ | 
 | 	0x0100,     /* R14 - ADC CTRL */ | 
 | 	0x00C0,     /* R15 - Left ADC Digital Volume */ | 
 | 	0x00C0,     /* R16 - Right ADC Digital Volume */ | 
 | 	0x0000,     /* R17 */ | 
 | 	0x0000,     /* R18 - GPIO CTRL 1 */ | 
 | 	0x1000,     /* R19 - GPIO1 & GPIO2 */ | 
 | 	0x1010,     /* R20 - GPIO3 & GPIO4 */ | 
 | 	0x1010,     /* R21 - GPIO5 & GPIO6 */ | 
 | 	0x8000,     /* R22 - GPIOCTRL 2 */ | 
 | 	0x0800,     /* R23 - GPIO_POL */ | 
 | 	0x008B,     /* R24 - Left Line Input 1&2 Volume */ | 
 | 	0x008B,     /* R25 - Left Line Input 3&4 Volume */ | 
 | 	0x008B,     /* R26 - Right Line Input 1&2 Volume */ | 
 | 	0x008B,     /* R27 - Right Line Input 3&4 Volume */ | 
 | 	0x0000,     /* R28 - Left Output Volume */ | 
 | 	0x0000,     /* R29 - Right Output Volume */ | 
 | 	0x0066,     /* R30 - Line Outputs Volume */ | 
 | 	0x0022,     /* R31 - Out3/4 Volume */ | 
 | 	0x0079,     /* R32 - Left OPGA Volume */ | 
 | 	0x0079,     /* R33 - Right OPGA Volume */ | 
 | 	0x0003,     /* R34 - Speaker Volume */ | 
 | 	0x0003,     /* R35 - ClassD1 */ | 
 | 	0x0000,     /* R36 */ | 
 | 	0x0100,     /* R37 - ClassD3 */ | 
 | 	0x0079,     /* R38 - ClassD4 */ | 
 | 	0x0000,     /* R39 - Input Mixer1 */ | 
 | 	0x0000,     /* R40 - Input Mixer2 */ | 
 | 	0x0000,     /* R41 - Input Mixer3 */ | 
 | 	0x0000,     /* R42 - Input Mixer4 */ | 
 | 	0x0000,     /* R43 - Input Mixer5 */ | 
 | 	0x0000,     /* R44 - Input Mixer6 */ | 
 | 	0x0000,     /* R45 - Output Mixer1 */ | 
 | 	0x0000,     /* R46 - Output Mixer2 */ | 
 | 	0x0000,     /* R47 - Output Mixer3 */ | 
 | 	0x0000,     /* R48 - Output Mixer4 */ | 
 | 	0x0000,     /* R49 - Output Mixer5 */ | 
 | 	0x0000,     /* R50 - Output Mixer6 */ | 
 | 	0x0180,     /* R51 - Out3/4 Mixer */ | 
 | 	0x0000,     /* R52 - Line Mixer1 */ | 
 | 	0x0000,     /* R53 - Line Mixer2 */ | 
 | 	0x0000,     /* R54 - Speaker Mixer */ | 
 | 	0x0000,     /* R55 - Additional Control */ | 
 | 	0x0000,     /* R56 - AntiPOP1 */ | 
 | 	0x0000,     /* R57 - AntiPOP2 */ | 
 | 	0x0000,     /* R58 - MICBIAS */ | 
 | 	0x0000,     /* R59 */ | 
 | 	0x0008,     /* R60 - PLL1 */ | 
 | 	0x0031,     /* R61 - PLL2 */ | 
 | 	0x0026,     /* R62 - PLL3 */ | 
 | 	0x0000,	    /* R63 - Driver internal */ | 
 | }; | 
 |  | 
 | #define wm8990_reset(c) snd_soc_write(c, WM8990_RESET, 0) | 
 |  | 
 | static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0); | 
 |  | 
 | static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0); | 
 |  | 
 | static const DECLARE_TLV_DB_SCALE(out_mix_tlv, 0, -2100, 0); | 
 |  | 
 | static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0); | 
 |  | 
 | static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0); | 
 |  | 
 | static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0); | 
 |  | 
 | static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0); | 
 |  | 
 | static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0); | 
 |  | 
 | static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol, | 
 | 	struct snd_ctl_elem_value *ucontrol) | 
 | { | 
 | 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | 
 | 	struct soc_mixer_control *mc = | 
 | 		(struct soc_mixer_control *)kcontrol->private_value; | 
 | 	int reg = mc->reg; | 
 | 	int ret; | 
 | 	u16 val; | 
 |  | 
 | 	ret = snd_soc_put_volsw(kcontrol, ucontrol); | 
 | 	if (ret < 0) | 
 | 		return ret; | 
 |  | 
 | 	/* now hit the volume update bits (always bit 8) */ | 
 | 	val = snd_soc_read(codec, reg); | 
 | 	return snd_soc_write(codec, reg, val | 0x0100); | 
 | } | 
 |  | 
 | #define SOC_WM899X_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert,\ | 
 | 	 tlv_array) {\ | 
 | 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ | 
 | 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ | 
 | 		  SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | 
 | 	.tlv.p = (tlv_array), \ | 
 | 	.info = snd_soc_info_volsw, \ | 
 | 	.get = snd_soc_get_volsw, .put = wm899x_outpga_put_volsw_vu, \ | 
 | 	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } | 
 |  | 
 |  | 
 | static const char *wm8990_digital_sidetone[] = | 
 | 	{"None", "Left ADC", "Right ADC", "Reserved"}; | 
 |  | 
 | static const struct soc_enum wm8990_left_digital_sidetone_enum = | 
 | SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE, | 
 | 	WM8990_ADC_TO_DACL_SHIFT, | 
 | 	WM8990_ADC_TO_DACL_MASK, | 
 | 	wm8990_digital_sidetone); | 
 |  | 
 | static const struct soc_enum wm8990_right_digital_sidetone_enum = | 
 | SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE, | 
 | 	WM8990_ADC_TO_DACR_SHIFT, | 
 | 	WM8990_ADC_TO_DACR_MASK, | 
 | 	wm8990_digital_sidetone); | 
 |  | 
 | static const char *wm8990_adcmode[] = | 
 | 	{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"}; | 
 |  | 
 | static const struct soc_enum wm8990_right_adcmode_enum = | 
 | SOC_ENUM_SINGLE(WM8990_ADC_CTRL, | 
 | 	WM8990_ADC_HPF_CUT_SHIFT, | 
 | 	WM8990_ADC_HPF_CUT_MASK, | 
 | 	wm8990_adcmode); | 
 |  | 
 | static const struct snd_kcontrol_new wm8990_snd_controls[] = { | 
 | /* INMIXL */ | 
 | SOC_SINGLE("LIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L12MNBST_BIT, 1, 0), | 
 | SOC_SINGLE("LIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L34MNBST_BIT, 1, 0), | 
 | /* INMIXR */ | 
 | SOC_SINGLE("RIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R12MNBST_BIT, 1, 0), | 
 | SOC_SINGLE("RIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R34MNBST_BIT, 1, 0), | 
 |  | 
 | /* LOMIX */ | 
 | SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER3, | 
 | 	WM8990_LLI3LOVOL_SHIFT, WM8990_LLI3LOVOL_MASK, 1, out_mix_tlv), | 
 | SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3, | 
 | 	WM8990_LR12LOVOL_SHIFT, WM8990_LR12LOVOL_MASK, 1, out_mix_tlv), | 
 | SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3, | 
 | 	WM8990_LL12LOVOL_SHIFT, WM8990_LL12LOVOL_MASK, 1, out_mix_tlv), | 
 | SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER5, | 
 | 	WM8990_LRI3LOVOL_SHIFT, WM8990_LRI3LOVOL_MASK, 1, out_mix_tlv), | 
 | SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER5, | 
 | 	WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv), | 
 | SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER5, | 
 | 	WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv), | 
 |  | 
 | /* ROMIX */ | 
 | SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER4, | 
 | 	WM8990_RRI3ROVOL_SHIFT, WM8990_RRI3ROVOL_MASK, 1, out_mix_tlv), | 
 | SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4, | 
 | 	WM8990_RL12ROVOL_SHIFT, WM8990_RL12ROVOL_MASK, 1, out_mix_tlv), | 
 | SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4, | 
 | 	WM8990_RR12ROVOL_SHIFT, WM8990_RR12ROVOL_MASK, 1, out_mix_tlv), | 
 | SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER6, | 
 | 	WM8990_RLI3ROVOL_SHIFT, WM8990_RLI3ROVOL_MASK, 1, out_mix_tlv), | 
 | SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER6, | 
 | 	WM8990_RLBROVOL_SHIFT, WM8990_RLBROVOL_MASK, 1, out_mix_tlv), | 
 | SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER6, | 
 | 	WM8990_RRBROVOL_SHIFT, WM8990_RRBROVOL_MASK, 1, out_mix_tlv), | 
 |  | 
 | /* LOUT */ | 
 | SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8990_LEFT_OUTPUT_VOLUME, | 
 | 	WM8990_LOUTVOL_SHIFT, WM8990_LOUTVOL_MASK, 0, out_pga_tlv), | 
 | SOC_SINGLE("LOUT ZC", WM8990_LEFT_OUTPUT_VOLUME, WM8990_LOZC_BIT, 1, 0), | 
 |  | 
 | /* ROUT */ | 
 | SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8990_RIGHT_OUTPUT_VOLUME, | 
 | 	WM8990_ROUTVOL_SHIFT, WM8990_ROUTVOL_MASK, 0, out_pga_tlv), | 
 | SOC_SINGLE("ROUT ZC", WM8990_RIGHT_OUTPUT_VOLUME, WM8990_ROZC_BIT, 1, 0), | 
 |  | 
 | /* LOPGA */ | 
 | SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8990_LEFT_OPGA_VOLUME, | 
 | 	WM8990_LOPGAVOL_SHIFT, WM8990_LOPGAVOL_MASK, 0, out_pga_tlv), | 
 | SOC_SINGLE("LOPGA ZC Switch", WM8990_LEFT_OPGA_VOLUME, | 
 | 	WM8990_LOPGAZC_BIT, 1, 0), | 
 |  | 
 | /* ROPGA */ | 
 | SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8990_RIGHT_OPGA_VOLUME, | 
 | 	WM8990_ROPGAVOL_SHIFT, WM8990_ROPGAVOL_MASK, 0, out_pga_tlv), | 
 | SOC_SINGLE("ROPGA ZC Switch", WM8990_RIGHT_OPGA_VOLUME, | 
 | 	WM8990_ROPGAZC_BIT, 1, 0), | 
 |  | 
 | SOC_SINGLE("LON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME, | 
 | 	WM8990_LONMUTE_BIT, 1, 0), | 
 | SOC_SINGLE("LOP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME, | 
 | 	WM8990_LOPMUTE_BIT, 1, 0), | 
 | SOC_SINGLE("LOP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME, | 
 | 	WM8990_LOATTN_BIT, 1, 0), | 
 | SOC_SINGLE("RON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME, | 
 | 	WM8990_RONMUTE_BIT, 1, 0), | 
 | SOC_SINGLE("ROP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME, | 
 | 	WM8990_ROPMUTE_BIT, 1, 0), | 
 | SOC_SINGLE("ROP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME, | 
 | 	WM8990_ROATTN_BIT, 1, 0), | 
 |  | 
 | SOC_SINGLE("OUT3 Mute Switch", WM8990_OUT3_4_VOLUME, | 
 | 	WM8990_OUT3MUTE_BIT, 1, 0), | 
 | SOC_SINGLE("OUT3 Attenuation Switch", WM8990_OUT3_4_VOLUME, | 
 | 	WM8990_OUT3ATTN_BIT, 1, 0), | 
 |  | 
 | SOC_SINGLE("OUT4 Mute Switch", WM8990_OUT3_4_VOLUME, | 
 | 	WM8990_OUT4MUTE_BIT, 1, 0), | 
 | SOC_SINGLE("OUT4 Attenuation Switch", WM8990_OUT3_4_VOLUME, | 
 | 	WM8990_OUT4ATTN_BIT, 1, 0), | 
 |  | 
 | SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1, | 
 | 	WM8990_CDMODE_BIT, 1, 0), | 
 |  | 
 | SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME, | 
 | 	WM8990_SPKATTN_SHIFT, WM8990_SPKATTN_MASK, 0), | 
 | SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3, | 
 | 	WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0), | 
 | SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3, | 
 | 	WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0), | 
 | SOC_SINGLE_TLV("Speaker Volume", WM8990_CLASSD4, | 
 | 	WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0, out_pga_tlv), | 
 | SOC_SINGLE("Speaker ZC Switch", WM8990_CLASSD4, | 
 | 	WM8990_SPKZC_SHIFT, WM8990_SPKZC_MASK, 0), | 
 |  | 
 | SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume", | 
 | 	WM8990_LEFT_DAC_DIGITAL_VOLUME, | 
 | 	WM8990_DACL_VOL_SHIFT, | 
 | 	WM8990_DACL_VOL_MASK, | 
 | 	0, | 
 | 	out_dac_tlv), | 
 |  | 
 | SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume", | 
 | 	WM8990_RIGHT_DAC_DIGITAL_VOLUME, | 
 | 	WM8990_DACR_VOL_SHIFT, | 
 | 	WM8990_DACR_VOL_MASK, | 
 | 	0, | 
 | 	out_dac_tlv), | 
 |  | 
 | SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum), | 
 | SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum), | 
 |  | 
 | SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE, | 
 | 	WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0, | 
 | 	out_sidetone_tlv), | 
 | SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE, | 
 | 	WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0, | 
 | 	out_sidetone_tlv), | 
 |  | 
 | SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL, | 
 | 	WM8990_ADC_HPF_ENA_BIT, 1, 0), | 
 |  | 
 | SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum), | 
 |  | 
 | SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume", | 
 | 	WM8990_LEFT_ADC_DIGITAL_VOLUME, | 
 | 	WM8990_ADCL_VOL_SHIFT, | 
 | 	WM8990_ADCL_VOL_MASK, | 
 | 	0, | 
 | 	in_adc_tlv), | 
 |  | 
 | SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume", | 
 | 	WM8990_RIGHT_ADC_DIGITAL_VOLUME, | 
 | 	WM8990_ADCR_VOL_SHIFT, | 
 | 	WM8990_ADCR_VOL_MASK, | 
 | 	0, | 
 | 	in_adc_tlv), | 
 |  | 
 | SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume", | 
 | 	WM8990_LEFT_LINE_INPUT_1_2_VOLUME, | 
 | 	WM8990_LIN12VOL_SHIFT, | 
 | 	WM8990_LIN12VOL_MASK, | 
 | 	0, | 
 | 	in_pga_tlv), | 
 |  | 
 | SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME, | 
 | 	WM8990_LI12ZC_BIT, 1, 0), | 
 |  | 
 | SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME, | 
 | 	WM8990_LI12MUTE_BIT, 1, 0), | 
 |  | 
 | SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume", | 
 | 	WM8990_LEFT_LINE_INPUT_3_4_VOLUME, | 
 | 	WM8990_LIN34VOL_SHIFT, | 
 | 	WM8990_LIN34VOL_MASK, | 
 | 	0, | 
 | 	in_pga_tlv), | 
 |  | 
 | SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME, | 
 | 	WM8990_LI34ZC_BIT, 1, 0), | 
 |  | 
 | SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME, | 
 | 	WM8990_LI34MUTE_BIT, 1, 0), | 
 |  | 
 | SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume", | 
 | 	WM8990_RIGHT_LINE_INPUT_1_2_VOLUME, | 
 | 	WM8990_RIN12VOL_SHIFT, | 
 | 	WM8990_RIN12VOL_MASK, | 
 | 	0, | 
 | 	in_pga_tlv), | 
 |  | 
 | SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME, | 
 | 	WM8990_RI12ZC_BIT, 1, 0), | 
 |  | 
 | SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME, | 
 | 	WM8990_RI12MUTE_BIT, 1, 0), | 
 |  | 
 | SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume", | 
 | 	WM8990_RIGHT_LINE_INPUT_3_4_VOLUME, | 
 | 	WM8990_RIN34VOL_SHIFT, | 
 | 	WM8990_RIN34VOL_MASK, | 
 | 	0, | 
 | 	in_pga_tlv), | 
 |  | 
 | SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME, | 
 | 	WM8990_RI34ZC_BIT, 1, 0), | 
 |  | 
 | SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME, | 
 | 	WM8990_RI34MUTE_BIT, 1, 0), | 
 |  | 
 | }; | 
 |  | 
 | /* | 
 |  * _DAPM_ Controls | 
 |  */ | 
 |  | 
 | static int inmixer_event(struct snd_soc_dapm_widget *w, | 
 | 	struct snd_kcontrol *kcontrol, int event) | 
 | { | 
 | 	u16 reg, fakepower; | 
 |  | 
 | 	reg = snd_soc_read(w->codec, WM8990_POWER_MANAGEMENT_2); | 
 | 	fakepower = snd_soc_read(w->codec, WM8990_INTDRIVBITS); | 
 |  | 
 | 	if (fakepower & ((1 << WM8990_INMIXL_PWR_BIT) | | 
 | 		(1 << WM8990_AINLMUX_PWR_BIT))) { | 
 | 		reg |= WM8990_AINL_ENA; | 
 | 	} else { | 
 | 		reg &= ~WM8990_AINL_ENA; | 
 | 	} | 
 |  | 
 | 	if (fakepower & ((1 << WM8990_INMIXR_PWR_BIT) | | 
 | 		(1 << WM8990_AINRMUX_PWR_BIT))) { | 
 | 		reg |= WM8990_AINR_ENA; | 
 | 	} else { | 
 | 		reg &= ~WM8990_AINR_ENA; | 
 | 	} | 
 | 	snd_soc_write(w->codec, WM8990_POWER_MANAGEMENT_2, reg); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int outmixer_event(struct snd_soc_dapm_widget *w, | 
 | 	struct snd_kcontrol *kcontrol, int event) | 
 | { | 
 | 	u32 reg_shift = kcontrol->private_value & 0xfff; | 
 | 	int ret = 0; | 
 | 	u16 reg; | 
 |  | 
 | 	switch (reg_shift) { | 
 | 	case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) : | 
 | 		reg = snd_soc_read(w->codec, WM8990_OUTPUT_MIXER1); | 
 | 		if (reg & WM8990_LDLO) { | 
 | 			printk(KERN_WARNING | 
 | 			"Cannot set as Output Mixer 1 LDLO Set\n"); | 
 | 			ret = -1; | 
 | 		} | 
 | 		break; | 
 | 	case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8): | 
 | 		reg = snd_soc_read(w->codec, WM8990_OUTPUT_MIXER2); | 
 | 		if (reg & WM8990_RDRO) { | 
 | 			printk(KERN_WARNING | 
 | 			"Cannot set as Output Mixer 2 RDRO Set\n"); | 
 | 			ret = -1; | 
 | 		} | 
 | 		break; | 
 | 	case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8): | 
 | 		reg = snd_soc_read(w->codec, WM8990_SPEAKER_MIXER); | 
 | 		if (reg & WM8990_LDSPK) { | 
 | 			printk(KERN_WARNING | 
 | 			"Cannot set as Speaker Mixer LDSPK Set\n"); | 
 | 			ret = -1; | 
 | 		} | 
 | 		break; | 
 | 	case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8): | 
 | 		reg = snd_soc_read(w->codec, WM8990_SPEAKER_MIXER); | 
 | 		if (reg & WM8990_RDSPK) { | 
 | 			printk(KERN_WARNING | 
 | 			"Cannot set as Speaker Mixer RDSPK Set\n"); | 
 | 			ret = -1; | 
 | 		} | 
 | 		break; | 
 | 	} | 
 |  | 
 | 	return ret; | 
 | } | 
 |  | 
 | /* INMIX dB values */ | 
 | static const unsigned int in_mix_tlv[] = { | 
 | 	TLV_DB_RANGE_HEAD(1), | 
 | 	0, 7, TLV_DB_SCALE_ITEM(-1200, 600, 0), | 
 | }; | 
 |  | 
 | /* Left In PGA Connections */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_lin12_pga_controls[] = { | 
 | SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0), | 
 | }; | 
 |  | 
 | static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = { | 
 | SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0), | 
 | }; | 
 |  | 
 | /* Right In PGA Connections */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = { | 
 | SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0), | 
 | }; | 
 |  | 
 | static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = { | 
 | SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0), | 
 | }; | 
 |  | 
 | /* INMIXL */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = { | 
 | SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3, | 
 | 	WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv), | 
 | SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT, | 
 | 	7, 0, in_mix_tlv), | 
 | SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT, | 
 | 	1, 0), | 
 | SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT, | 
 | 	1, 0), | 
 | }; | 
 |  | 
 | /* INMIXR */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = { | 
 | SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4, | 
 | 	WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv), | 
 | SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT, | 
 | 	7, 0, in_mix_tlv), | 
 | SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT, | 
 | 	1, 0), | 
 | SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT, | 
 | 	1, 0), | 
 | }; | 
 |  | 
 | /* AINLMUX */ | 
 | static const char *wm8990_ainlmux[] = | 
 | 	{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"}; | 
 |  | 
 | static const struct soc_enum wm8990_ainlmux_enum = | 
 | SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT, | 
 | 	ARRAY_SIZE(wm8990_ainlmux), wm8990_ainlmux); | 
 |  | 
 | static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls = | 
 | SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum); | 
 |  | 
 | /* DIFFINL */ | 
 |  | 
 | /* AINRMUX */ | 
 | static const char *wm8990_ainrmux[] = | 
 | 	{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"}; | 
 |  | 
 | static const struct soc_enum wm8990_ainrmux_enum = | 
 | SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT, | 
 | 	ARRAY_SIZE(wm8990_ainrmux), wm8990_ainrmux); | 
 |  | 
 | static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls = | 
 | SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum); | 
 |  | 
 | /* RXVOICE */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_rxvoice_controls[] = { | 
 | SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8990_INPUT_MIXER5, WM8990_LR4BVOL_SHIFT, | 
 | 			WM8990_LR4BVOL_MASK, 0, in_mix_tlv), | 
 | SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8990_INPUT_MIXER6, WM8990_RL4BVOL_SHIFT, | 
 | 			WM8990_RL4BVOL_MASK, 0, in_mix_tlv), | 
 | }; | 
 |  | 
 | /* LOMIX */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = { | 
 | SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1, | 
 | 	WM8990_LRBLO_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1, | 
 | 	WM8990_LLBLO_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1, | 
 | 	WM8990_LRI3LO_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1, | 
 | 	WM8990_LLI3LO_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1, | 
 | 	WM8990_LR12LO_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1, | 
 | 	WM8990_LL12LO_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1, | 
 | 	WM8990_LDLO_BIT, 1, 0), | 
 | }; | 
 |  | 
 | /* ROMIX */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = { | 
 | SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2, | 
 | 	WM8990_RLBRO_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2, | 
 | 	WM8990_RRBRO_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2, | 
 | 	WM8990_RLI3RO_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2, | 
 | 	WM8990_RRI3RO_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2, | 
 | 	WM8990_RL12RO_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2, | 
 | 	WM8990_RR12RO_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2, | 
 | 	WM8990_RDRO_BIT, 1, 0), | 
 | }; | 
 |  | 
 | /* LONMIX */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = { | 
 | SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1, | 
 | 	WM8990_LLOPGALON_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1, | 
 | 	WM8990_LROPGALON_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1, | 
 | 	WM8990_LOPLON_BIT, 1, 0), | 
 | }; | 
 |  | 
 | /* LOPMIX */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = { | 
 | SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1, | 
 | 	WM8990_LR12LOP_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1, | 
 | 	WM8990_LL12LOP_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1, | 
 | 	WM8990_LLOPGALOP_BIT, 1, 0), | 
 | }; | 
 |  | 
 | /* RONMIX */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = { | 
 | SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2, | 
 | 	WM8990_RROPGARON_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2, | 
 | 	WM8990_RLOPGARON_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2, | 
 | 	WM8990_ROPRON_BIT, 1, 0), | 
 | }; | 
 |  | 
 | /* ROPMIX */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = { | 
 | SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2, | 
 | 	WM8990_RL12ROP_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2, | 
 | 	WM8990_RR12ROP_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2, | 
 | 	WM8990_RROPGAROP_BIT, 1, 0), | 
 | }; | 
 |  | 
 | /* OUT3MIX */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = { | 
 | SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER, | 
 | 	WM8990_LI4O3_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER, | 
 | 	WM8990_LPGAO3_BIT, 1, 0), | 
 | }; | 
 |  | 
 | /* OUT4MIX */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = { | 
 | SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER, | 
 | 	WM8990_RPGAO4_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER, | 
 | 	WM8990_RI4O4_BIT, 1, 0), | 
 | }; | 
 |  | 
 | /* SPKMIX */ | 
 | static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = { | 
 | SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER, | 
 | 	WM8990_LI2SPK_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER, | 
 | 	WM8990_LB2SPK_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER, | 
 | 	WM8990_LOPGASPK_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER, | 
 | 	WM8990_LDSPK_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER, | 
 | 	WM8990_RDSPK_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER, | 
 | 	WM8990_ROPGASPK_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER, | 
 | 	WM8990_RL12ROP_BIT, 1, 0), | 
 | SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER, | 
 | 	WM8990_RI2SPK_BIT, 1, 0), | 
 | }; | 
 |  | 
 | static const struct snd_soc_dapm_widget wm8990_dapm_widgets[] = { | 
 | /* Input Side */ | 
 | /* Input Lines */ | 
 | SND_SOC_DAPM_INPUT("LIN1"), | 
 | SND_SOC_DAPM_INPUT("LIN2"), | 
 | SND_SOC_DAPM_INPUT("LIN3"), | 
 | SND_SOC_DAPM_INPUT("LIN4/RXN"), | 
 | SND_SOC_DAPM_INPUT("RIN3"), | 
 | SND_SOC_DAPM_INPUT("RIN4/RXP"), | 
 | SND_SOC_DAPM_INPUT("RIN1"), | 
 | SND_SOC_DAPM_INPUT("RIN2"), | 
 | SND_SOC_DAPM_INPUT("Internal ADC Source"), | 
 |  | 
 | /* DACs */ | 
 | SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8990_POWER_MANAGEMENT_2, | 
 | 	WM8990_ADCL_ENA_BIT, 0), | 
 | SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2, | 
 | 	WM8990_ADCR_ENA_BIT, 0), | 
 |  | 
 | /* Input PGAs */ | 
 | SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT, | 
 | 	0, &wm8990_dapm_lin12_pga_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)), | 
 | SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT, | 
 | 	0, &wm8990_dapm_lin34_pga_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)), | 
 | SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT, | 
 | 	0, &wm8990_dapm_rin12_pga_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)), | 
 | SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT, | 
 | 	0, &wm8990_dapm_rin34_pga_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)), | 
 |  | 
 | /* INMIXL */ | 
 | SND_SOC_DAPM_MIXER_E("INMIXL", WM8990_INTDRIVBITS, WM8990_INMIXL_PWR_BIT, 0, | 
 | 	&wm8990_dapm_inmixl_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_inmixl_controls), | 
 | 	inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | 
 |  | 
 | /* AINLMUX */ | 
 | SND_SOC_DAPM_MUX_E("AINLMUX", WM8990_INTDRIVBITS, WM8990_AINLMUX_PWR_BIT, 0, | 
 | 	&wm8990_dapm_ainlmux_controls, inmixer_event, | 
 | 	SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | 
 |  | 
 | /* INMIXR */ | 
 | SND_SOC_DAPM_MIXER_E("INMIXR", WM8990_INTDRIVBITS, WM8990_INMIXR_PWR_BIT, 0, | 
 | 	&wm8990_dapm_inmixr_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_inmixr_controls), | 
 | 	inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | 
 |  | 
 | /* AINRMUX */ | 
 | SND_SOC_DAPM_MUX_E("AINRMUX", WM8990_INTDRIVBITS, WM8990_AINRMUX_PWR_BIT, 0, | 
 | 	&wm8990_dapm_ainrmux_controls, inmixer_event, | 
 | 	SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | 
 |  | 
 | /* Output Side */ | 
 | /* DACs */ | 
 | SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8990_POWER_MANAGEMENT_3, | 
 | 	WM8990_DACL_ENA_BIT, 0), | 
 | SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3, | 
 | 	WM8990_DACR_ENA_BIT, 0), | 
 |  | 
 | /* LOMIX */ | 
 | SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT, | 
 | 	0, &wm8990_dapm_lomix_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_lomix_controls), | 
 | 	outmixer_event, SND_SOC_DAPM_PRE_REG), | 
 |  | 
 | /* LONMIX */ | 
 | SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0, | 
 | 	&wm8990_dapm_lonmix_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_lonmix_controls)), | 
 |  | 
 | /* LOPMIX */ | 
 | SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0, | 
 | 	&wm8990_dapm_lopmix_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_lopmix_controls)), | 
 |  | 
 | /* OUT3MIX */ | 
 | SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0, | 
 | 	&wm8990_dapm_out3mix_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_out3mix_controls)), | 
 |  | 
 | /* SPKMIX */ | 
 | SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0, | 
 | 	&wm8990_dapm_spkmix_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event, | 
 | 	SND_SOC_DAPM_PRE_REG), | 
 |  | 
 | /* OUT4MIX */ | 
 | SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0, | 
 | 	&wm8990_dapm_out4mix_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_out4mix_controls)), | 
 |  | 
 | /* ROPMIX */ | 
 | SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0, | 
 | 	&wm8990_dapm_ropmix_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_ropmix_controls)), | 
 |  | 
 | /* RONMIX */ | 
 | SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0, | 
 | 	&wm8990_dapm_ronmix_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_ronmix_controls)), | 
 |  | 
 | /* ROMIX */ | 
 | SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT, | 
 | 	0, &wm8990_dapm_romix_controls[0], | 
 | 	ARRAY_SIZE(wm8990_dapm_romix_controls), | 
 | 	outmixer_event, SND_SOC_DAPM_PRE_REG), | 
 |  | 
 | /* LOUT PGA */ | 
 | SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0, | 
 | 	NULL, 0), | 
 |  | 
 | /* ROUT PGA */ | 
 | SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0, | 
 | 	NULL, 0), | 
 |  | 
 | /* LOPGA */ | 
 | SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0, | 
 | 	NULL, 0), | 
 |  | 
 | /* ROPGA */ | 
 | SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0, | 
 | 	NULL, 0), | 
 |  | 
 | /* MICBIAS */ | 
 | SND_SOC_DAPM_SUPPLY("MICBIAS", WM8990_POWER_MANAGEMENT_1, | 
 | 		    WM8990_MICBIAS_ENA_BIT, 0, NULL, 0), | 
 |  | 
 | SND_SOC_DAPM_OUTPUT("LON"), | 
 | SND_SOC_DAPM_OUTPUT("LOP"), | 
 | SND_SOC_DAPM_OUTPUT("OUT3"), | 
 | SND_SOC_DAPM_OUTPUT("LOUT"), | 
 | SND_SOC_DAPM_OUTPUT("SPKN"), | 
 | SND_SOC_DAPM_OUTPUT("SPKP"), | 
 | SND_SOC_DAPM_OUTPUT("ROUT"), | 
 | SND_SOC_DAPM_OUTPUT("OUT4"), | 
 | SND_SOC_DAPM_OUTPUT("ROP"), | 
 | SND_SOC_DAPM_OUTPUT("RON"), | 
 |  | 
 | SND_SOC_DAPM_OUTPUT("Internal DAC Sink"), | 
 | }; | 
 |  | 
 | static const struct snd_soc_dapm_route audio_map[] = { | 
 | 	/* Make DACs turn on when playing even if not mixed into any outputs */ | 
 | 	{"Internal DAC Sink", NULL, "Left DAC"}, | 
 | 	{"Internal DAC Sink", NULL, "Right DAC"}, | 
 |  | 
 | 	/* Make ADCs turn on when recording even if not mixed from any inputs */ | 
 | 	{"Left ADC", NULL, "Internal ADC Source"}, | 
 | 	{"Right ADC", NULL, "Internal ADC Source"}, | 
 |  | 
 | 	/* Input Side */ | 
 | 	/* LIN12 PGA */ | 
 | 	{"LIN12 PGA", "LIN1 Switch", "LIN1"}, | 
 | 	{"LIN12 PGA", "LIN2 Switch", "LIN2"}, | 
 | 	/* LIN34 PGA */ | 
 | 	{"LIN34 PGA", "LIN3 Switch", "LIN3"}, | 
 | 	{"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"}, | 
 | 	/* INMIXL */ | 
 | 	{"INMIXL", "Record Left Volume", "LOMIX"}, | 
 | 	{"INMIXL", "LIN2 Volume", "LIN2"}, | 
 | 	{"INMIXL", "LINPGA12 Switch", "LIN12 PGA"}, | 
 | 	{"INMIXL", "LINPGA34 Switch", "LIN34 PGA"}, | 
 | 	/* AINLMUX */ | 
 | 	{"AINLMUX", "INMIXL Mix", "INMIXL"}, | 
 | 	{"AINLMUX", "DIFFINL Mix", "LIN12 PGA"}, | 
 | 	{"AINLMUX", "DIFFINL Mix", "LIN34 PGA"}, | 
 | 	{"AINLMUX", "RXVOICE Mix", "LIN4/RXN"}, | 
 | 	{"AINLMUX", "RXVOICE Mix", "RIN4/RXP"}, | 
 | 	/* ADC */ | 
 | 	{"Left ADC", NULL, "AINLMUX"}, | 
 |  | 
 | 	/* RIN12 PGA */ | 
 | 	{"RIN12 PGA", "RIN1 Switch", "RIN1"}, | 
 | 	{"RIN12 PGA", "RIN2 Switch", "RIN2"}, | 
 | 	/* RIN34 PGA */ | 
 | 	{"RIN34 PGA", "RIN3 Switch", "RIN3"}, | 
 | 	{"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"}, | 
 | 	/* INMIXL */ | 
 | 	{"INMIXR", "Record Right Volume", "ROMIX"}, | 
 | 	{"INMIXR", "RIN2 Volume", "RIN2"}, | 
 | 	{"INMIXR", "RINPGA12 Switch", "RIN12 PGA"}, | 
 | 	{"INMIXR", "RINPGA34 Switch", "RIN34 PGA"}, | 
 | 	/* AINRMUX */ | 
 | 	{"AINRMUX", "INMIXR Mix", "INMIXR"}, | 
 | 	{"AINRMUX", "DIFFINR Mix", "RIN12 PGA"}, | 
 | 	{"AINRMUX", "DIFFINR Mix", "RIN34 PGA"}, | 
 | 	{"AINRMUX", "RXVOICE Mix", "LIN4/RXN"}, | 
 | 	{"AINRMUX", "RXVOICE Mix", "RIN4/RXP"}, | 
 | 	/* ADC */ | 
 | 	{"Right ADC", NULL, "AINRMUX"}, | 
 |  | 
 | 	/* LOMIX */ | 
 | 	{"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"}, | 
 | 	{"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"}, | 
 | 	{"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"}, | 
 | 	{"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"}, | 
 | 	{"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"}, | 
 | 	{"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"}, | 
 | 	{"LOMIX", "LOMIX Left DAC Switch", "Left DAC"}, | 
 |  | 
 | 	/* ROMIX */ | 
 | 	{"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"}, | 
 | 	{"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"}, | 
 | 	{"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"}, | 
 | 	{"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"}, | 
 | 	{"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"}, | 
 | 	{"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"}, | 
 | 	{"ROMIX", "ROMIX Right DAC Switch", "Right DAC"}, | 
 |  | 
 | 	/* SPKMIX */ | 
 | 	{"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"}, | 
 | 	{"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"}, | 
 | 	{"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"}, | 
 | 	{"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"}, | 
 | 	{"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"}, | 
 | 	{"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"}, | 
 | 	{"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"}, | 
 | 	{"SPKMIX", "SPKMIX Left DAC Switch", "Left DAC"}, | 
 |  | 
 | 	/* LONMIX */ | 
 | 	{"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"}, | 
 | 	{"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"}, | 
 | 	{"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"}, | 
 |  | 
 | 	/* LOPMIX */ | 
 | 	{"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"}, | 
 | 	{"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"}, | 
 | 	{"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"}, | 
 |  | 
 | 	/* OUT3MIX */ | 
 | 	{"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"}, | 
 | 	{"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"}, | 
 |  | 
 | 	/* OUT4MIX */ | 
 | 	{"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"}, | 
 | 	{"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"}, | 
 |  | 
 | 	/* RONMIX */ | 
 | 	{"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"}, | 
 | 	{"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"}, | 
 | 	{"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"}, | 
 |  | 
 | 	/* ROPMIX */ | 
 | 	{"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"}, | 
 | 	{"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"}, | 
 | 	{"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"}, | 
 |  | 
 | 	/* Out Mixer PGAs */ | 
 | 	{"LOPGA", NULL, "LOMIX"}, | 
 | 	{"ROPGA", NULL, "ROMIX"}, | 
 |  | 
 | 	{"LOUT PGA", NULL, "LOMIX"}, | 
 | 	{"ROUT PGA", NULL, "ROMIX"}, | 
 |  | 
 | 	/* Output Pins */ | 
 | 	{"LON", NULL, "LONMIX"}, | 
 | 	{"LOP", NULL, "LOPMIX"}, | 
 | 	{"OUT3", NULL, "OUT3MIX"}, | 
 | 	{"LOUT", NULL, "LOUT PGA"}, | 
 | 	{"SPKN", NULL, "SPKMIX"}, | 
 | 	{"ROUT", NULL, "ROUT PGA"}, | 
 | 	{"OUT4", NULL, "OUT4MIX"}, | 
 | 	{"ROP", NULL, "ROPMIX"}, | 
 | 	{"RON", NULL, "RONMIX"}, | 
 | }; | 
 |  | 
 | static int wm8990_add_widgets(struct snd_soc_codec *codec) | 
 | { | 
 | 	struct snd_soc_dapm_context *dapm = &codec->dapm; | 
 |  | 
 | 	snd_soc_dapm_new_controls(dapm, wm8990_dapm_widgets, | 
 | 				  ARRAY_SIZE(wm8990_dapm_widgets)); | 
 | 	/* set up the WM8990 audio map */ | 
 | 	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* PLL divisors */ | 
 | struct _pll_div { | 
 | 	u32 div2; | 
 | 	u32 n; | 
 | 	u32 k; | 
 | }; | 
 |  | 
 | /* The size in bits of the pll divide multiplied by 10 | 
 |  * to allow rounding later */ | 
 | #define FIXED_PLL_SIZE ((1 << 16) * 10) | 
 |  | 
 | static void pll_factors(struct _pll_div *pll_div, unsigned int target, | 
 | 	unsigned int source) | 
 | { | 
 | 	u64 Kpart; | 
 | 	unsigned int K, Ndiv, Nmod; | 
 |  | 
 |  | 
 | 	Ndiv = target / source; | 
 | 	if (Ndiv < 6) { | 
 | 		source >>= 1; | 
 | 		pll_div->div2 = 1; | 
 | 		Ndiv = target / source; | 
 | 	} else | 
 | 		pll_div->div2 = 0; | 
 |  | 
 | 	if ((Ndiv < 6) || (Ndiv > 12)) | 
 | 		printk(KERN_WARNING | 
 | 		"WM8990 N value outwith recommended range! N = %u\n", Ndiv); | 
 |  | 
 | 	pll_div->n = Ndiv; | 
 | 	Nmod = target % source; | 
 | 	Kpart = FIXED_PLL_SIZE * (long long)Nmod; | 
 |  | 
 | 	do_div(Kpart, source); | 
 |  | 
 | 	K = Kpart & 0xFFFFFFFF; | 
 |  | 
 | 	/* Check if we need to round */ | 
 | 	if ((K % 10) >= 5) | 
 | 		K += 5; | 
 |  | 
 | 	/* Move down to proper range now rounding is done */ | 
 | 	K /= 10; | 
 |  | 
 | 	pll_div->k = K; | 
 | } | 
 |  | 
 | static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, | 
 | 		int source, unsigned int freq_in, unsigned int freq_out) | 
 | { | 
 | 	struct snd_soc_codec *codec = codec_dai->codec; | 
 | 	struct _pll_div pll_div; | 
 |  | 
 | 	if (freq_in && freq_out) { | 
 | 		pll_factors(&pll_div, freq_out * 4, freq_in); | 
 |  | 
 | 		/* Turn on PLL */ | 
 | 		snd_soc_update_bits(codec, WM8990_POWER_MANAGEMENT_2, | 
 | 				    WM8990_PLL_ENA, WM8990_PLL_ENA); | 
 |  | 
 | 		/* sysclk comes from PLL */ | 
 | 		snd_soc_update_bits(codec, WM8990_CLOCKING_2, | 
 | 				    WM8990_SYSCLK_SRC, WM8990_SYSCLK_SRC); | 
 |  | 
 | 		/* set up N , fractional mode and pre-divisor if necessary */ | 
 | 		snd_soc_write(codec, WM8990_PLL1, pll_div.n | WM8990_SDM | | 
 | 			(pll_div.div2?WM8990_PRESCALE:0)); | 
 | 		snd_soc_write(codec, WM8990_PLL2, (u8)(pll_div.k>>8)); | 
 | 		snd_soc_write(codec, WM8990_PLL3, (u8)(pll_div.k & 0xFF)); | 
 | 	} else { | 
 | 		/* Turn off PLL */ | 
 | 		snd_soc_update_bits(codec, WM8990_POWER_MANAGEMENT_2, | 
 | 				    WM8990_PLL_ENA, 0); | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * Clock after PLL and dividers | 
 |  */ | 
 | static int wm8990_set_dai_sysclk(struct snd_soc_dai *codec_dai, | 
 | 		int clk_id, unsigned int freq, int dir) | 
 | { | 
 | 	struct snd_soc_codec *codec = codec_dai->codec; | 
 | 	struct wm8990_priv *wm8990 = snd_soc_codec_get_drvdata(codec); | 
 |  | 
 | 	wm8990->sysclk = freq; | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * Set's ADC and Voice DAC format. | 
 |  */ | 
 | static int wm8990_set_dai_fmt(struct snd_soc_dai *codec_dai, | 
 | 		unsigned int fmt) | 
 | { | 
 | 	struct snd_soc_codec *codec = codec_dai->codec; | 
 | 	u16 audio1, audio3; | 
 |  | 
 | 	audio1 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_1); | 
 | 	audio3 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_3); | 
 |  | 
 | 	/* set master/slave audio interface */ | 
 | 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | 
 | 	case SND_SOC_DAIFMT_CBS_CFS: | 
 | 		audio3 &= ~WM8990_AIF_MSTR1; | 
 | 		break; | 
 | 	case SND_SOC_DAIFMT_CBM_CFM: | 
 | 		audio3 |= WM8990_AIF_MSTR1; | 
 | 		break; | 
 | 	default: | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	audio1 &= ~WM8990_AIF_FMT_MASK; | 
 |  | 
 | 	/* interface format */ | 
 | 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | 
 | 	case SND_SOC_DAIFMT_I2S: | 
 | 		audio1 |= WM8990_AIF_TMF_I2S; | 
 | 		audio1 &= ~WM8990_AIF_LRCLK_INV; | 
 | 		break; | 
 | 	case SND_SOC_DAIFMT_RIGHT_J: | 
 | 		audio1 |= WM8990_AIF_TMF_RIGHTJ; | 
 | 		audio1 &= ~WM8990_AIF_LRCLK_INV; | 
 | 		break; | 
 | 	case SND_SOC_DAIFMT_LEFT_J: | 
 | 		audio1 |= WM8990_AIF_TMF_LEFTJ; | 
 | 		audio1 &= ~WM8990_AIF_LRCLK_INV; | 
 | 		break; | 
 | 	case SND_SOC_DAIFMT_DSP_A: | 
 | 		audio1 |= WM8990_AIF_TMF_DSP; | 
 | 		audio1 &= ~WM8990_AIF_LRCLK_INV; | 
 | 		break; | 
 | 	case SND_SOC_DAIFMT_DSP_B: | 
 | 		audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV; | 
 | 		break; | 
 | 	default: | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	snd_soc_write(codec, WM8990_AUDIO_INTERFACE_1, audio1); | 
 | 	snd_soc_write(codec, WM8990_AUDIO_INTERFACE_3, audio3); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int wm8990_set_dai_clkdiv(struct snd_soc_dai *codec_dai, | 
 | 		int div_id, int div) | 
 | { | 
 | 	struct snd_soc_codec *codec = codec_dai->codec; | 
 |  | 
 | 	switch (div_id) { | 
 | 	case WM8990_MCLK_DIV: | 
 | 		snd_soc_update_bits(codec, WM8990_CLOCKING_2, | 
 | 				    WM8990_MCLK_DIV_MASK, div); | 
 | 		break; | 
 | 	case WM8990_DACCLK_DIV: | 
 | 		snd_soc_update_bits(codec, WM8990_CLOCKING_2, | 
 | 				    WM8990_DAC_CLKDIV_MASK, div); | 
 | 		break; | 
 | 	case WM8990_ADCCLK_DIV: | 
 | 		snd_soc_update_bits(codec, WM8990_CLOCKING_2, | 
 | 				    WM8990_ADC_CLKDIV_MASK, div); | 
 | 		break; | 
 | 	case WM8990_BCLK_DIV: | 
 | 		snd_soc_update_bits(codec, WM8990_CLOCKING_1, | 
 | 				    WM8990_BCLK_DIV_MASK, div); | 
 | 		break; | 
 | 	default: | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * Set PCM DAI bit size and sample rate. | 
 |  */ | 
 | static int wm8990_hw_params(struct snd_pcm_substream *substream, | 
 | 			    struct snd_pcm_hw_params *params, | 
 | 			    struct snd_soc_dai *dai) | 
 | { | 
 | 	struct snd_soc_codec *codec = dai->codec; | 
 | 	u16 audio1 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_1); | 
 |  | 
 | 	audio1 &= ~WM8990_AIF_WL_MASK; | 
 | 	/* bit size */ | 
 | 	switch (params_format(params)) { | 
 | 	case SNDRV_PCM_FORMAT_S16_LE: | 
 | 		break; | 
 | 	case SNDRV_PCM_FORMAT_S20_3LE: | 
 | 		audio1 |= WM8990_AIF_WL_20BITS; | 
 | 		break; | 
 | 	case SNDRV_PCM_FORMAT_S24_LE: | 
 | 		audio1 |= WM8990_AIF_WL_24BITS; | 
 | 		break; | 
 | 	case SNDRV_PCM_FORMAT_S32_LE: | 
 | 		audio1 |= WM8990_AIF_WL_32BITS; | 
 | 		break; | 
 | 	} | 
 |  | 
 | 	snd_soc_write(codec, WM8990_AUDIO_INTERFACE_1, audio1); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int wm8990_mute(struct snd_soc_dai *dai, int mute) | 
 | { | 
 | 	struct snd_soc_codec *codec = dai->codec; | 
 | 	u16 val; | 
 |  | 
 | 	val  = snd_soc_read(codec, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE; | 
 |  | 
 | 	if (mute) | 
 | 		snd_soc_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE); | 
 | 	else | 
 | 		snd_soc_write(codec, WM8990_DAC_CTRL, val); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int wm8990_set_bias_level(struct snd_soc_codec *codec, | 
 | 	enum snd_soc_bias_level level) | 
 | { | 
 | 	int ret; | 
 |  | 
 | 	switch (level) { | 
 | 	case SND_SOC_BIAS_ON: | 
 | 		break; | 
 |  | 
 | 	case SND_SOC_BIAS_PREPARE: | 
 | 		/* VMID=2*50k */ | 
 | 		snd_soc_update_bits(codec, WM8990_POWER_MANAGEMENT_1, | 
 | 				    WM8990_VMID_MODE_MASK, 0x2); | 
 | 		break; | 
 |  | 
 | 	case SND_SOC_BIAS_STANDBY: | 
 | 		if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { | 
 | 			ret = snd_soc_cache_sync(codec); | 
 | 			if (ret < 0) { | 
 | 				dev_err(codec->dev, "Failed to sync cache: %d\n", ret); | 
 | 				return ret; | 
 | 			} | 
 |  | 
 | 			/* Enable all output discharge bits */ | 
 | 			snd_soc_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE | | 
 | 				WM8990_DIS_RLINE | WM8990_DIS_OUT3 | | 
 | 				WM8990_DIS_OUT4 | WM8990_DIS_LOUT | | 
 | 				WM8990_DIS_ROUT); | 
 |  | 
 | 			/* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */ | 
 | 			snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST | | 
 | 				     WM8990_BUFDCOPEN | WM8990_POBCTRL | | 
 | 				     WM8990_VMIDTOG); | 
 |  | 
 | 			/* Delay to allow output caps to discharge */ | 
 | 			msleep(300); | 
 |  | 
 | 			/* Disable VMIDTOG */ | 
 | 			snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST | | 
 | 				     WM8990_BUFDCOPEN | WM8990_POBCTRL); | 
 |  | 
 | 			/* disable all output discharge bits */ | 
 | 			snd_soc_write(codec, WM8990_ANTIPOP1, 0); | 
 |  | 
 | 			/* Enable outputs */ | 
 | 			snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1b00); | 
 |  | 
 | 			msleep(50); | 
 |  | 
 | 			/* Enable VMID at 2x50k */ | 
 | 			snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f02); | 
 |  | 
 | 			msleep(100); | 
 |  | 
 | 			/* Enable VREF */ | 
 | 			snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03); | 
 |  | 
 | 			msleep(600); | 
 |  | 
 | 			/* Enable BUFIOEN */ | 
 | 			snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST | | 
 | 				     WM8990_BUFDCOPEN | WM8990_POBCTRL | | 
 | 				     WM8990_BUFIOEN); | 
 |  | 
 | 			/* Disable outputs */ | 
 | 			snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x3); | 
 |  | 
 | 			/* disable POBCTRL, SOFT_ST and BUFDCOPEN */ | 
 | 			snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_BUFIOEN); | 
 |  | 
 | 			/* Enable workaround for ADC clocking issue. */ | 
 | 			snd_soc_write(codec, WM8990_EXT_ACCESS_ENA, 0x2); | 
 | 			snd_soc_write(codec, WM8990_EXT_CTL1, 0xa003); | 
 | 			snd_soc_write(codec, WM8990_EXT_ACCESS_ENA, 0); | 
 | 		} | 
 |  | 
 | 		/* VMID=2*250k */ | 
 | 		snd_soc_update_bits(codec, WM8990_POWER_MANAGEMENT_1, | 
 | 				    WM8990_VMID_MODE_MASK, 0x4); | 
 | 		break; | 
 |  | 
 | 	case SND_SOC_BIAS_OFF: | 
 | 		/* Enable POBCTRL and SOFT_ST */ | 
 | 		snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST | | 
 | 			WM8990_POBCTRL | WM8990_BUFIOEN); | 
 |  | 
 | 		/* Enable POBCTRL, SOFT_ST and BUFDCOPEN */ | 
 | 		snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST | | 
 | 			WM8990_BUFDCOPEN | WM8990_POBCTRL | | 
 | 			WM8990_BUFIOEN); | 
 |  | 
 | 		/* mute DAC */ | 
 | 		snd_soc_update_bits(codec, WM8990_DAC_CTRL, | 
 | 				    WM8990_DAC_MUTE, WM8990_DAC_MUTE); | 
 |  | 
 | 		/* Enable any disabled outputs */ | 
 | 		snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03); | 
 |  | 
 | 		/* Disable VMID */ | 
 | 		snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f01); | 
 |  | 
 | 		msleep(300); | 
 |  | 
 | 		/* Enable all output discharge bits */ | 
 | 		snd_soc_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE | | 
 | 			WM8990_DIS_RLINE | WM8990_DIS_OUT3 | | 
 | 			WM8990_DIS_OUT4 | WM8990_DIS_LOUT | | 
 | 			WM8990_DIS_ROUT); | 
 |  | 
 | 		/* Disable VREF */ | 
 | 		snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x0); | 
 |  | 
 | 		/* disable POBCTRL, SOFT_ST and BUFDCOPEN */ | 
 | 		snd_soc_write(codec, WM8990_ANTIPOP2, 0x0); | 
 | 		break; | 
 | 	} | 
 |  | 
 | 	codec->dapm.bias_level = level; | 
 | 	return 0; | 
 | } | 
 |  | 
 | #define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ | 
 | 	SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \ | 
 | 	SNDRV_PCM_RATE_48000) | 
 |  | 
 | #define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ | 
 | 	SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | 
 |  | 
 | /* | 
 |  * The WM8990 supports 2 different and mutually exclusive DAI | 
 |  * configurations. | 
 |  * | 
 |  * 1. ADC/DAC on Primary Interface | 
 |  * 2. ADC on Primary Interface/DAC on secondary | 
 |  */ | 
 | static const struct snd_soc_dai_ops wm8990_dai_ops = { | 
 | 	.hw_params	= wm8990_hw_params, | 
 | 	.digital_mute	= wm8990_mute, | 
 | 	.set_fmt	= wm8990_set_dai_fmt, | 
 | 	.set_clkdiv	= wm8990_set_dai_clkdiv, | 
 | 	.set_pll	= wm8990_set_dai_pll, | 
 | 	.set_sysclk	= wm8990_set_dai_sysclk, | 
 | }; | 
 |  | 
 | static struct snd_soc_dai_driver wm8990_dai = { | 
 | /* ADC/DAC on primary */ | 
 | 	.name = "wm8990-hifi", | 
 | 	.playback = { | 
 | 		.stream_name = "Playback", | 
 | 		.channels_min = 1, | 
 | 		.channels_max = 2, | 
 | 		.rates = WM8990_RATES, | 
 | 		.formats = WM8990_FORMATS,}, | 
 | 	.capture = { | 
 | 		.stream_name = "Capture", | 
 | 		.channels_min = 1, | 
 | 		.channels_max = 2, | 
 | 		.rates = WM8990_RATES, | 
 | 		.formats = WM8990_FORMATS,}, | 
 | 	.ops = &wm8990_dai_ops, | 
 | }; | 
 |  | 
 | static int wm8990_suspend(struct snd_soc_codec *codec) | 
 | { | 
 | 	wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int wm8990_resume(struct snd_soc_codec *codec) | 
 | { | 
 | 	wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* | 
 |  * initialise the WM8990 driver | 
 |  * register the mixer and dsp interfaces with the kernel | 
 |  */ | 
 | static int wm8990_probe(struct snd_soc_codec *codec) | 
 | { | 
 | 	int ret; | 
 |  | 
 | 	ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C); | 
 | 	if (ret < 0) { | 
 | 		printk(KERN_ERR "wm8990: failed to set cache I/O: %d\n", ret); | 
 | 		return ret; | 
 | 	} | 
 |  | 
 | 	wm8990_reset(codec); | 
 |  | 
 | 	/* charge output caps */ | 
 | 	wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | 
 |  | 
 | 	snd_soc_update_bits(codec, WM8990_AUDIO_INTERFACE_4, | 
 | 			    WM8990_ALRCGPIO1, WM8990_ALRCGPIO1); | 
 |  | 
 | 	snd_soc_update_bits(codec, WM8990_GPIO1_GPIO2, | 
 | 			    WM8990_GPIO1_SEL_MASK, 1); | 
 |  | 
 | 	snd_soc_update_bits(codec, WM8990_POWER_MANAGEMENT_2, | 
 | 			    WM8990_OPCLK_ENA, WM8990_OPCLK_ENA); | 
 |  | 
 | 	snd_soc_write(codec, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8)); | 
 | 	snd_soc_write(codec, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8)); | 
 |  | 
 | 	snd_soc_add_codec_controls(codec, wm8990_snd_controls, | 
 | 				ARRAY_SIZE(wm8990_snd_controls)); | 
 | 	wm8990_add_widgets(codec); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* power down chip */ | 
 | static int wm8990_remove(struct snd_soc_codec *codec) | 
 | { | 
 | 	wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static struct snd_soc_codec_driver soc_codec_dev_wm8990 = { | 
 | 	.probe =	wm8990_probe, | 
 | 	.remove =	wm8990_remove, | 
 | 	.suspend =	wm8990_suspend, | 
 | 	.resume =	wm8990_resume, | 
 | 	.set_bias_level = wm8990_set_bias_level, | 
 | 	.reg_cache_size = ARRAY_SIZE(wm8990_reg), | 
 | 	.reg_word_size = sizeof(u16), | 
 | 	.reg_cache_default = wm8990_reg, | 
 | 	.volatile_register = wm8990_volatile_register, | 
 | }; | 
 |  | 
 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | 
 | static __devinit int wm8990_i2c_probe(struct i2c_client *i2c, | 
 | 				      const struct i2c_device_id *id) | 
 | { | 
 | 	struct wm8990_priv *wm8990; | 
 | 	int ret; | 
 |  | 
 | 	wm8990 = devm_kzalloc(&i2c->dev, sizeof(struct wm8990_priv), | 
 | 			      GFP_KERNEL); | 
 | 	if (wm8990 == NULL) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	i2c_set_clientdata(i2c, wm8990); | 
 |  | 
 | 	ret = snd_soc_register_codec(&i2c->dev, | 
 | 			&soc_codec_dev_wm8990, &wm8990_dai, 1); | 
 |  | 
 | 	return ret; | 
 | } | 
 |  | 
 | static __devexit int wm8990_i2c_remove(struct i2c_client *client) | 
 | { | 
 | 	snd_soc_unregister_codec(&client->dev); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static const struct i2c_device_id wm8990_i2c_id[] = { | 
 | 	{ "wm8990", 0 }, | 
 | 	{ } | 
 | }; | 
 | MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id); | 
 |  | 
 | static struct i2c_driver wm8990_i2c_driver = { | 
 | 	.driver = { | 
 | 		.name = "wm8990", | 
 | 		.owner = THIS_MODULE, | 
 | 	}, | 
 | 	.probe =    wm8990_i2c_probe, | 
 | 	.remove =   __devexit_p(wm8990_i2c_remove), | 
 | 	.id_table = wm8990_i2c_id, | 
 | }; | 
 | #endif | 
 |  | 
 | static int __init wm8990_modinit(void) | 
 | { | 
 | 	int ret = 0; | 
 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | 
 | 	ret = i2c_add_driver(&wm8990_i2c_driver); | 
 | 	if (ret != 0) { | 
 | 		printk(KERN_ERR "Failed to register wm8990 I2C driver: %d\n", | 
 | 		       ret); | 
 | 	} | 
 | #endif | 
 | 	return ret; | 
 | } | 
 | module_init(wm8990_modinit); | 
 |  | 
 | static void __exit wm8990_exit(void) | 
 | { | 
 | #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) | 
 | 	i2c_del_driver(&wm8990_i2c_driver); | 
 | #endif | 
 | } | 
 | module_exit(wm8990_exit); | 
 |  | 
 | MODULE_DESCRIPTION("ASoC WM8990 driver"); | 
 | MODULE_AUTHOR("Liam Girdwood"); | 
 | MODULE_LICENSE("GPL"); |