|  | /* | 
|  | * wm8400.c  --  WM8400 ALSA Soc Audio driver | 
|  | * | 
|  | * Copyright 2008-11 Wolfson Microelectronics PLC. | 
|  | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> | 
|  | * | 
|  | *  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/slab.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/delay.h> | 
|  | #include <linux/pm.h> | 
|  | #include <linux/platform_device.h> | 
|  | #include <linux/regulator/consumer.h> | 
|  | #include <linux/mfd/wm8400-audio.h> | 
|  | #include <linux/mfd/wm8400-private.h> | 
|  | #include <linux/mfd/core.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 "wm8400.h" | 
|  |  | 
|  | /* Fake register for internal state */ | 
|  | #define WM8400_INTDRIVBITS      (WM8400_REGISTER_COUNT + 1) | 
|  | #define WM8400_INMIXL_PWR			0 | 
|  | #define WM8400_AINLMUX_PWR			1 | 
|  | #define WM8400_INMIXR_PWR			2 | 
|  | #define WM8400_AINRMUX_PWR			3 | 
|  |  | 
|  | static struct regulator_bulk_data power[] = { | 
|  | { | 
|  | .supply = "I2S1VDD", | 
|  | }, | 
|  | { | 
|  | .supply = "I2S2VDD", | 
|  | }, | 
|  | { | 
|  | .supply = "DCVDD", | 
|  | }, | 
|  | { | 
|  | .supply = "AVDD", | 
|  | }, | 
|  | { | 
|  | .supply = "FLLVDD", | 
|  | }, | 
|  | { | 
|  | .supply = "HPVDD", | 
|  | }, | 
|  | { | 
|  | .supply = "SPKVDD", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | /* codec private data */ | 
|  | struct wm8400_priv { | 
|  | struct snd_soc_codec *codec; | 
|  | struct wm8400 *wm8400; | 
|  | u16 fake_register; | 
|  | unsigned int sysclk; | 
|  | unsigned int pcmclk; | 
|  | struct work_struct work; | 
|  | int fll_in, fll_out; | 
|  | }; | 
|  |  | 
|  | static inline unsigned int wm8400_read(struct snd_soc_codec *codec, | 
|  | unsigned int reg) | 
|  | { | 
|  | struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); | 
|  |  | 
|  | if (reg == WM8400_INTDRIVBITS) | 
|  | return wm8400->fake_register; | 
|  | else | 
|  | return wm8400_reg_read(wm8400->wm8400, reg); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * write to the wm8400 register space | 
|  | */ | 
|  | static int wm8400_write(struct snd_soc_codec *codec, unsigned int reg, | 
|  | unsigned int value) | 
|  | { | 
|  | struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); | 
|  |  | 
|  | if (reg == WM8400_INTDRIVBITS) { | 
|  | wm8400->fake_register = value; | 
|  | return 0; | 
|  | } else | 
|  | return wm8400_set_bits(wm8400->wm8400, reg, 0xffff, value); | 
|  | } | 
|  |  | 
|  | static void wm8400_codec_reset(struct snd_soc_codec *codec) | 
|  | { | 
|  | struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); | 
|  |  | 
|  | wm8400_reset_codec_reg_cache(wm8400->wm8400); | 
|  | } | 
|  |  | 
|  | 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, -2100, 0, 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 wm8400_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 WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \ | 
|  | SOC_SINGLE_EXT_TLV(xname, reg, shift, max, invert, \ | 
|  | snd_soc_get_volsw, wm8400_outpga_put_volsw_vu, tlv_array) | 
|  |  | 
|  |  | 
|  | static const char *wm8400_digital_sidetone[] = | 
|  | {"None", "Left ADC", "Right ADC", "Reserved"}; | 
|  |  | 
|  | static const struct soc_enum wm8400_left_digital_sidetone_enum = | 
|  | SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE, | 
|  | WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone); | 
|  |  | 
|  | static const struct soc_enum wm8400_right_digital_sidetone_enum = | 
|  | SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE, | 
|  | WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone); | 
|  |  | 
|  | static const char *wm8400_adcmode[] = | 
|  | {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"}; | 
|  |  | 
|  | static const struct soc_enum wm8400_right_adcmode_enum = | 
|  | SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, wm8400_adcmode); | 
|  |  | 
|  | static const struct snd_kcontrol_new wm8400_snd_controls[] = { | 
|  | /* INMIXL */ | 
|  | SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT, | 
|  | 1, 0), | 
|  | SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT, | 
|  | 1, 0), | 
|  | /* INMIXR */ | 
|  | SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT, | 
|  | 1, 0), | 
|  | SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT, | 
|  | 1, 0), | 
|  |  | 
|  | /* LOMIX */ | 
|  | SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3, | 
|  | WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv), | 
|  | SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3, | 
|  | WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv), | 
|  | SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3, | 
|  | WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv), | 
|  | SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5, | 
|  | WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv), | 
|  | SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5, | 
|  | WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv), | 
|  | SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5, | 
|  | WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv), | 
|  |  | 
|  | /* ROMIX */ | 
|  | SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4, | 
|  | WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv), | 
|  | SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4, | 
|  | WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv), | 
|  | SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4, | 
|  | WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv), | 
|  | SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6, | 
|  | WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv), | 
|  | SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6, | 
|  | WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv), | 
|  | SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6, | 
|  | WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv), | 
|  |  | 
|  | /* LOUT */ | 
|  | WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME, | 
|  | WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv), | 
|  | SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0), | 
|  |  | 
|  | /* ROUT */ | 
|  | WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME, | 
|  | WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv), | 
|  | SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0), | 
|  |  | 
|  | /* LOPGA */ | 
|  | WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME, | 
|  | WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv), | 
|  | SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME, | 
|  | WM8400_LOPGAZC_SHIFT, 1, 0), | 
|  |  | 
|  | /* ROPGA */ | 
|  | WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME, | 
|  | WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv), | 
|  | SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME, | 
|  | WM8400_ROPGAZC_SHIFT, 1, 0), | 
|  |  | 
|  | SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME, | 
|  | WM8400_LONMUTE_SHIFT, 1, 0), | 
|  | SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME, | 
|  | WM8400_LOPMUTE_SHIFT, 1, 0), | 
|  | SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME, | 
|  | WM8400_LOATTN_SHIFT, 1, 0), | 
|  | SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME, | 
|  | WM8400_RONMUTE_SHIFT, 1, 0), | 
|  | SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME, | 
|  | WM8400_ROPMUTE_SHIFT, 1, 0), | 
|  | SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME, | 
|  | WM8400_ROATTN_SHIFT, 1, 0), | 
|  |  | 
|  | SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME, | 
|  | WM8400_OUT3MUTE_SHIFT, 1, 0), | 
|  | SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME, | 
|  | WM8400_OUT3ATTN_SHIFT, 1, 0), | 
|  |  | 
|  | SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME, | 
|  | WM8400_OUT4MUTE_SHIFT, 1, 0), | 
|  | SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME, | 
|  | WM8400_OUT4ATTN_SHIFT, 1, 0), | 
|  |  | 
|  | SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1, | 
|  | WM8400_CDMODE_SHIFT, 1, 0), | 
|  |  | 
|  | SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME, | 
|  | WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0), | 
|  | SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3, | 
|  | WM8400_DCGAIN_SHIFT, 6, 0), | 
|  | SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3, | 
|  | WM8400_ACGAIN_SHIFT, 6, 0), | 
|  |  | 
|  | WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume", | 
|  | WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT, | 
|  | 127, 0, out_dac_tlv), | 
|  |  | 
|  | WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume", | 
|  | WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT, | 
|  | 127, 0, out_dac_tlv), | 
|  |  | 
|  | SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum), | 
|  | SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum), | 
|  |  | 
|  | SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE, | 
|  | WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv), | 
|  | SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE, | 
|  | WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv), | 
|  |  | 
|  | SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL, | 
|  | WM8400_ADC_HPF_ENA_SHIFT, 1, 0), | 
|  |  | 
|  | SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum), | 
|  |  | 
|  | WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume", | 
|  | WM8400_LEFT_ADC_DIGITAL_VOLUME, | 
|  | WM8400_ADCL_VOL_SHIFT, | 
|  | WM8400_ADCL_VOL_MASK, | 
|  | 0, | 
|  | in_adc_tlv), | 
|  |  | 
|  | WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume", | 
|  | WM8400_RIGHT_ADC_DIGITAL_VOLUME, | 
|  | WM8400_ADCR_VOL_SHIFT, | 
|  | WM8400_ADCR_VOL_MASK, | 
|  | 0, | 
|  | in_adc_tlv), | 
|  |  | 
|  | WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume", | 
|  | WM8400_LEFT_LINE_INPUT_1_2_VOLUME, | 
|  | WM8400_LIN12VOL_SHIFT, | 
|  | WM8400_LIN12VOL_MASK, | 
|  | 0, | 
|  | in_pga_tlv), | 
|  |  | 
|  | SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME, | 
|  | WM8400_LI12ZC_SHIFT, 1, 0), | 
|  |  | 
|  | SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME, | 
|  | WM8400_LI12MUTE_SHIFT, 1, 0), | 
|  |  | 
|  | WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume", | 
|  | WM8400_LEFT_LINE_INPUT_3_4_VOLUME, | 
|  | WM8400_LIN34VOL_SHIFT, | 
|  | WM8400_LIN34VOL_MASK, | 
|  | 0, | 
|  | in_pga_tlv), | 
|  |  | 
|  | SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME, | 
|  | WM8400_LI34ZC_SHIFT, 1, 0), | 
|  |  | 
|  | SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME, | 
|  | WM8400_LI34MUTE_SHIFT, 1, 0), | 
|  |  | 
|  | WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume", | 
|  | WM8400_RIGHT_LINE_INPUT_1_2_VOLUME, | 
|  | WM8400_RIN12VOL_SHIFT, | 
|  | WM8400_RIN12VOL_MASK, | 
|  | 0, | 
|  | in_pga_tlv), | 
|  |  | 
|  | SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME, | 
|  | WM8400_RI12ZC_SHIFT, 1, 0), | 
|  |  | 
|  | SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME, | 
|  | WM8400_RI12MUTE_SHIFT, 1, 0), | 
|  |  | 
|  | WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume", | 
|  | WM8400_RIGHT_LINE_INPUT_3_4_VOLUME, | 
|  | WM8400_RIN34VOL_SHIFT, | 
|  | WM8400_RIN34VOL_MASK, | 
|  | 0, | 
|  | in_pga_tlv), | 
|  |  | 
|  | SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME, | 
|  | WM8400_RI34ZC_SHIFT, 1, 0), | 
|  |  | 
|  | SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME, | 
|  | WM8400_RI34MUTE_SHIFT, 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, WM8400_POWER_MANAGEMENT_2); | 
|  | fakepower = snd_soc_read(w->codec, WM8400_INTDRIVBITS); | 
|  |  | 
|  | if (fakepower & ((1 << WM8400_INMIXL_PWR) | | 
|  | (1 << WM8400_AINLMUX_PWR))) { | 
|  | reg |= WM8400_AINL_ENA; | 
|  | } else { | 
|  | reg &= ~WM8400_AINL_ENA; | 
|  | } | 
|  |  | 
|  | if (fakepower & ((1 << WM8400_INMIXR_PWR) | | 
|  | (1 << WM8400_AINRMUX_PWR))) { | 
|  | reg |= WM8400_AINR_ENA; | 
|  | } else { | 
|  | reg &= ~WM8400_AINR_ENA; | 
|  | } | 
|  | snd_soc_write(w->codec, WM8400_POWER_MANAGEMENT_2, reg); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int outmixer_event (struct snd_soc_dapm_widget *w, | 
|  | struct snd_kcontrol * kcontrol, int event) | 
|  | { | 
|  | struct soc_mixer_control *mc = | 
|  | (struct soc_mixer_control *)kcontrol->private_value; | 
|  | u32 reg_shift = mc->shift; | 
|  | int ret = 0; | 
|  | u16 reg; | 
|  |  | 
|  | switch (reg_shift) { | 
|  | case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) : | 
|  | reg = snd_soc_read(w->codec, WM8400_OUTPUT_MIXER1); | 
|  | if (reg & WM8400_LDLO) { | 
|  | printk(KERN_WARNING | 
|  | "Cannot set as Output Mixer 1 LDLO Set\n"); | 
|  | ret = -1; | 
|  | } | 
|  | break; | 
|  | case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8): | 
|  | reg = snd_soc_read(w->codec, WM8400_OUTPUT_MIXER2); | 
|  | if (reg & WM8400_RDRO) { | 
|  | printk(KERN_WARNING | 
|  | "Cannot set as Output Mixer 2 RDRO Set\n"); | 
|  | ret = -1; | 
|  | } | 
|  | break; | 
|  | case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8): | 
|  | reg = snd_soc_read(w->codec, WM8400_SPEAKER_MIXER); | 
|  | if (reg & WM8400_LDSPK) { | 
|  | printk(KERN_WARNING | 
|  | "Cannot set as Speaker Mixer LDSPK Set\n"); | 
|  | ret = -1; | 
|  | } | 
|  | break; | 
|  | case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8): | 
|  | reg = snd_soc_read(w->codec, WM8400_SPEAKER_MIXER); | 
|  | if (reg & WM8400_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 wm8400_dapm_lin12_pga_controls[] = { | 
|  | SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = { | 
|  | SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | /* Right In PGA Connections */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = { | 
|  | SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = { | 
|  | SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | /* INMIXL */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = { | 
|  | SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3, | 
|  | WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv), | 
|  | SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT, | 
|  | 7, 0, in_mix_tlv), | 
|  | SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT, | 
|  | 1, 0), | 
|  | SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT, | 
|  | 1, 0), | 
|  | }; | 
|  |  | 
|  | /* INMIXR */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = { | 
|  | SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4, | 
|  | WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv), | 
|  | SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT, | 
|  | 7, 0, in_mix_tlv), | 
|  | SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT, | 
|  | 1, 0), | 
|  | SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT, | 
|  | 1, 0), | 
|  | }; | 
|  |  | 
|  | /* AINLMUX */ | 
|  | static const char *wm8400_ainlmux[] = | 
|  | {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"}; | 
|  |  | 
|  | static const struct soc_enum wm8400_ainlmux_enum = | 
|  | SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT, | 
|  | ARRAY_SIZE(wm8400_ainlmux), wm8400_ainlmux); | 
|  |  | 
|  | static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls = | 
|  | SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum); | 
|  |  | 
|  | /* DIFFINL */ | 
|  |  | 
|  | /* AINRMUX */ | 
|  | static const char *wm8400_ainrmux[] = | 
|  | {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"}; | 
|  |  | 
|  | static const struct soc_enum wm8400_ainrmux_enum = | 
|  | SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT, | 
|  | ARRAY_SIZE(wm8400_ainrmux), wm8400_ainrmux); | 
|  |  | 
|  | static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls = | 
|  | SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum); | 
|  |  | 
|  | /* RXVOICE */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = { | 
|  | SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT, | 
|  | WM8400_LR4BVOL_MASK, 0, in_mix_tlv), | 
|  | SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT, | 
|  | WM8400_RL4BVOL_MASK, 0, in_mix_tlv), | 
|  | }; | 
|  |  | 
|  | /* LOMIX */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = { | 
|  | SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1, | 
|  | WM8400_LRBLO_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1, | 
|  | WM8400_LLBLO_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1, | 
|  | WM8400_LRI3LO_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1, | 
|  | WM8400_LLI3LO_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1, | 
|  | WM8400_LR12LO_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1, | 
|  | WM8400_LL12LO_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1, | 
|  | WM8400_LDLO_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | /* ROMIX */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = { | 
|  | SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2, | 
|  | WM8400_RLBRO_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2, | 
|  | WM8400_RRBRO_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2, | 
|  | WM8400_RLI3RO_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2, | 
|  | WM8400_RRI3RO_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2, | 
|  | WM8400_RL12RO_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2, | 
|  | WM8400_RR12RO_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2, | 
|  | WM8400_RDRO_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | /* LONMIX */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = { | 
|  | SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1, | 
|  | WM8400_LLOPGALON_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1, | 
|  | WM8400_LROPGALON_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1, | 
|  | WM8400_LOPLON_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | /* LOPMIX */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = { | 
|  | SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1, | 
|  | WM8400_LR12LOP_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1, | 
|  | WM8400_LL12LOP_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1, | 
|  | WM8400_LLOPGALOP_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | /* RONMIX */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = { | 
|  | SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2, | 
|  | WM8400_RROPGARON_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2, | 
|  | WM8400_RLOPGARON_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2, | 
|  | WM8400_ROPRON_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | /* ROPMIX */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = { | 
|  | SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2, | 
|  | WM8400_RL12ROP_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2, | 
|  | WM8400_RR12ROP_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2, | 
|  | WM8400_RROPGAROP_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | /* OUT3MIX */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = { | 
|  | SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER, | 
|  | WM8400_LI4O3_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER, | 
|  | WM8400_LPGAO3_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | /* OUT4MIX */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = { | 
|  | SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER, | 
|  | WM8400_RPGAO4_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER, | 
|  | WM8400_RI4O4_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | /* SPKMIX */ | 
|  | static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = { | 
|  | SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER, | 
|  | WM8400_LI2SPK_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER, | 
|  | WM8400_LB2SPK_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER, | 
|  | WM8400_LOPGASPK_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER, | 
|  | WM8400_LDSPK_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER, | 
|  | WM8400_RDSPK_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER, | 
|  | WM8400_ROPGASPK_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER, | 
|  | WM8400_RL12ROP_SHIFT, 1, 0), | 
|  | SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER, | 
|  | WM8400_RI2SPK_SHIFT, 1, 0), | 
|  | }; | 
|  |  | 
|  | static const struct snd_soc_dapm_widget wm8400_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", WM8400_POWER_MANAGEMENT_2, | 
|  | WM8400_ADCL_ENA_SHIFT, 0), | 
|  | SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2, | 
|  | WM8400_ADCR_ENA_SHIFT, 0), | 
|  |  | 
|  | /* Input PGAs */ | 
|  | SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2, | 
|  | WM8400_LIN12_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_lin12_pga_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)), | 
|  | SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2, | 
|  | WM8400_LIN34_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_lin34_pga_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)), | 
|  | SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2, | 
|  | WM8400_RIN12_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_rin12_pga_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)), | 
|  | SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2, | 
|  | WM8400_RIN34_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_rin34_pga_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)), | 
|  |  | 
|  | /* INMIXL */ | 
|  | SND_SOC_DAPM_MIXER_E("INMIXL", WM8400_INTDRIVBITS, WM8400_INMIXL_PWR, 0, | 
|  | &wm8400_dapm_inmixl_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_inmixl_controls), | 
|  | inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | 
|  |  | 
|  | /* AINLMUX */ | 
|  | SND_SOC_DAPM_MUX_E("AILNMUX", WM8400_INTDRIVBITS, WM8400_AINLMUX_PWR, 0, | 
|  | &wm8400_dapm_ainlmux_controls, inmixer_event, | 
|  | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | 
|  |  | 
|  | /* INMIXR */ | 
|  | SND_SOC_DAPM_MIXER_E("INMIXR", WM8400_INTDRIVBITS, WM8400_INMIXR_PWR, 0, | 
|  | &wm8400_dapm_inmixr_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_inmixr_controls), | 
|  | inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), | 
|  |  | 
|  | /* AINRMUX */ | 
|  | SND_SOC_DAPM_MUX_E("AIRNMUX", WM8400_INTDRIVBITS, WM8400_AINRMUX_PWR, 0, | 
|  | &wm8400_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", WM8400_POWER_MANAGEMENT_3, | 
|  | WM8400_DACL_ENA_SHIFT, 0), | 
|  | SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3, | 
|  | WM8400_DACR_ENA_SHIFT, 0), | 
|  |  | 
|  | /* LOMIX */ | 
|  | SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3, | 
|  | WM8400_LOMIX_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_lomix_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_lomix_controls), | 
|  | outmixer_event, SND_SOC_DAPM_PRE_REG), | 
|  |  | 
|  | /* LONMIX */ | 
|  | SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_lonmix_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_lonmix_controls)), | 
|  |  | 
|  | /* LOPMIX */ | 
|  | SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_lopmix_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_lopmix_controls)), | 
|  |  | 
|  | /* OUT3MIX */ | 
|  | SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_out3mix_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_out3mix_controls)), | 
|  |  | 
|  | /* SPKMIX */ | 
|  | SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_spkmix_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event, | 
|  | SND_SOC_DAPM_PRE_REG), | 
|  |  | 
|  | /* OUT4MIX */ | 
|  | SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_out4mix_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_out4mix_controls)), | 
|  |  | 
|  | /* ROPMIX */ | 
|  | SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_ropmix_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_ropmix_controls)), | 
|  |  | 
|  | /* RONMIX */ | 
|  | SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_ronmix_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_ronmix_controls)), | 
|  |  | 
|  | /* ROMIX */ | 
|  | SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3, | 
|  | WM8400_ROMIX_ENA_SHIFT, | 
|  | 0, &wm8400_dapm_romix_controls[0], | 
|  | ARRAY_SIZE(wm8400_dapm_romix_controls), | 
|  | outmixer_event, SND_SOC_DAPM_PRE_REG), | 
|  |  | 
|  | /* LOUT PGA */ | 
|  | SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT, | 
|  | 0, NULL, 0), | 
|  |  | 
|  | /* ROUT PGA */ | 
|  | SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT, | 
|  | 0, NULL, 0), | 
|  |  | 
|  | /* LOPGA */ | 
|  | SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0, | 
|  | NULL, 0), | 
|  |  | 
|  | /* ROPGA */ | 
|  | SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0, | 
|  | NULL, 0), | 
|  |  | 
|  | /* MICBIAS */ | 
|  | SND_SOC_DAPM_SUPPLY("MICBIAS", WM8400_POWER_MANAGEMENT_1, | 
|  | WM8400_MIC1BIAS_ENA_SHIFT, 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 wm8400_dapm_routes[] = { | 
|  | /* 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"}, | 
|  | /* AILNMUX */ | 
|  | {"AILNMUX", "INMIXL Mix", "INMIXL"}, | 
|  | {"AILNMUX", "DIFFINL Mix", "LIN12 PGA"}, | 
|  | {"AILNMUX", "DIFFINL Mix", "LIN34 PGA"}, | 
|  | {"AILNMUX", "RXVOICE Mix", "LIN4/RXN"}, | 
|  | {"AILNMUX", "RXVOICE Mix", "RIN4/RXP"}, | 
|  | /* ADC */ | 
|  | {"Left ADC", NULL, "AILNMUX"}, | 
|  |  | 
|  | /* 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"}, | 
|  | /* AIRNMUX */ | 
|  | {"AIRNMUX", "INMIXR Mix", "INMIXR"}, | 
|  | {"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"}, | 
|  | {"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"}, | 
|  | {"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"}, | 
|  | {"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"}, | 
|  | /* ADC */ | 
|  | {"Right ADC", NULL, "AIRNMUX"}, | 
|  |  | 
|  | /* 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", "AIRNMUX"}, | 
|  | {"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"}, | 
|  | {"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", "AIRNMUX"}, | 
|  | {"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"}, | 
|  | {"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", "AILNMUX"}, | 
|  | {"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"}, | 
|  | {"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", "Right 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"}, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Clock after FLL and dividers | 
|  | */ | 
|  | static int wm8400_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 wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); | 
|  |  | 
|  | wm8400->sysclk = freq; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | struct fll_factors { | 
|  | u16 n; | 
|  | u16 k; | 
|  | u16 outdiv; | 
|  | u16 fratio; | 
|  | u16 freq_ref; | 
|  | }; | 
|  |  | 
|  | #define FIXED_FLL_SIZE ((1 << 16) * 10) | 
|  |  | 
|  | static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors, | 
|  | unsigned int Fref, unsigned int Fout) | 
|  | { | 
|  | u64 Kpart; | 
|  | unsigned int K, Nmod, target; | 
|  |  | 
|  | factors->outdiv = 2; | 
|  | while (Fout * factors->outdiv <  90000000 || | 
|  | Fout * factors->outdiv > 100000000) { | 
|  | factors->outdiv *= 2; | 
|  | if (factors->outdiv > 32) { | 
|  | dev_err(wm8400->wm8400->dev, | 
|  | "Unsupported FLL output frequency %uHz\n", | 
|  | Fout); | 
|  | return -EINVAL; | 
|  | } | 
|  | } | 
|  | target = Fout * factors->outdiv; | 
|  | factors->outdiv = factors->outdiv >> 2; | 
|  |  | 
|  | if (Fref < 48000) | 
|  | factors->freq_ref = 1; | 
|  | else | 
|  | factors->freq_ref = 0; | 
|  |  | 
|  | if (Fref < 1000000) | 
|  | factors->fratio = 9; | 
|  | else | 
|  | factors->fratio = 0; | 
|  |  | 
|  | /* Ensure we have a fractional part */ | 
|  | do { | 
|  | if (Fref < 1000000) | 
|  | factors->fratio--; | 
|  | else | 
|  | factors->fratio++; | 
|  |  | 
|  | if (factors->fratio < 1 || factors->fratio > 8) { | 
|  | dev_err(wm8400->wm8400->dev, | 
|  | "Unable to calculate FRATIO\n"); | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | factors->n = target / (Fref * factors->fratio); | 
|  | Nmod = target % (Fref * factors->fratio); | 
|  | } while (Nmod == 0); | 
|  |  | 
|  | /* Calculate fractional part - scale up so we can round. */ | 
|  | Kpart = FIXED_FLL_SIZE * (long long)Nmod; | 
|  |  | 
|  | do_div(Kpart, (Fref * factors->fratio)); | 
|  |  | 
|  | K = Kpart & 0xFFFFFFFF; | 
|  |  | 
|  | if ((K % 10) >= 5) | 
|  | K += 5; | 
|  |  | 
|  | /* Move down to proper range now rounding is done */ | 
|  | factors->k = K / 10; | 
|  |  | 
|  | dev_dbg(wm8400->wm8400->dev, | 
|  | "FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n", | 
|  | Fref, Fout, | 
|  | factors->n, factors->k, factors->fratio, factors->outdiv); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int wm8400_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 wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); | 
|  | struct fll_factors factors; | 
|  | int ret; | 
|  | u16 reg; | 
|  |  | 
|  | if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out) | 
|  | return 0; | 
|  |  | 
|  | if (freq_out) { | 
|  | ret = fll_factors(wm8400, &factors, freq_in, freq_out); | 
|  | if (ret != 0) | 
|  | return ret; | 
|  | } else { | 
|  | /* Bodge GCC 4.4.0 uninitialised variable warning - it | 
|  | * doesn't seem capable of working out that we exit if | 
|  | * freq_out is 0 before any of the uses. */ | 
|  | memset(&factors, 0, sizeof(factors)); | 
|  | } | 
|  |  | 
|  | wm8400->fll_out = freq_out; | 
|  | wm8400->fll_in = freq_in; | 
|  |  | 
|  | /* We *must* disable the FLL before any changes */ | 
|  | reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_2); | 
|  | reg &= ~WM8400_FLL_ENA; | 
|  | snd_soc_write(codec, WM8400_POWER_MANAGEMENT_2, reg); | 
|  |  | 
|  | reg = snd_soc_read(codec, WM8400_FLL_CONTROL_1); | 
|  | reg &= ~WM8400_FLL_OSC_ENA; | 
|  | snd_soc_write(codec, WM8400_FLL_CONTROL_1, reg); | 
|  |  | 
|  | if (!freq_out) | 
|  | return 0; | 
|  |  | 
|  | reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK); | 
|  | reg |= WM8400_FLL_FRAC | factors.fratio; | 
|  | reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT; | 
|  | snd_soc_write(codec, WM8400_FLL_CONTROL_1, reg); | 
|  |  | 
|  | snd_soc_write(codec, WM8400_FLL_CONTROL_2, factors.k); | 
|  | snd_soc_write(codec, WM8400_FLL_CONTROL_3, factors.n); | 
|  |  | 
|  | reg = snd_soc_read(codec, WM8400_FLL_CONTROL_4); | 
|  | reg &= ~WM8400_FLL_OUTDIV_MASK; | 
|  | reg |= factors.outdiv; | 
|  | snd_soc_write(codec, WM8400_FLL_CONTROL_4, reg); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Sets ADC and Voice DAC format. | 
|  | */ | 
|  | static int wm8400_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, WM8400_AUDIO_INTERFACE_1); | 
|  | audio3 = snd_soc_read(codec, WM8400_AUDIO_INTERFACE_3); | 
|  |  | 
|  | /* set master/slave audio interface */ | 
|  | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | 
|  | case SND_SOC_DAIFMT_CBS_CFS: | 
|  | audio3 &= ~WM8400_AIF_MSTR1; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_CBM_CFM: | 
|  | audio3 |= WM8400_AIF_MSTR1; | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | audio1 &= ~WM8400_AIF_FMT_MASK; | 
|  |  | 
|  | /* interface format */ | 
|  | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | 
|  | case SND_SOC_DAIFMT_I2S: | 
|  | audio1 |= WM8400_AIF_FMT_I2S; | 
|  | audio1 &= ~WM8400_AIF_LRCLK_INV; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_RIGHT_J: | 
|  | audio1 |= WM8400_AIF_FMT_RIGHTJ; | 
|  | audio1 &= ~WM8400_AIF_LRCLK_INV; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_LEFT_J: | 
|  | audio1 |= WM8400_AIF_FMT_LEFTJ; | 
|  | audio1 &= ~WM8400_AIF_LRCLK_INV; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_DSP_A: | 
|  | audio1 |= WM8400_AIF_FMT_DSP; | 
|  | audio1 &= ~WM8400_AIF_LRCLK_INV; | 
|  | break; | 
|  | case SND_SOC_DAIFMT_DSP_B: | 
|  | audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV; | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | snd_soc_write(codec, WM8400_AUDIO_INTERFACE_1, audio1); | 
|  | snd_soc_write(codec, WM8400_AUDIO_INTERFACE_3, audio3); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai, | 
|  | int div_id, int div) | 
|  | { | 
|  | struct snd_soc_codec *codec = codec_dai->codec; | 
|  | u16 reg; | 
|  |  | 
|  | switch (div_id) { | 
|  | case WM8400_MCLK_DIV: | 
|  | reg = snd_soc_read(codec, WM8400_CLOCKING_2) & | 
|  | ~WM8400_MCLK_DIV_MASK; | 
|  | snd_soc_write(codec, WM8400_CLOCKING_2, reg | div); | 
|  | break; | 
|  | case WM8400_DACCLK_DIV: | 
|  | reg = snd_soc_read(codec, WM8400_CLOCKING_2) & | 
|  | ~WM8400_DAC_CLKDIV_MASK; | 
|  | snd_soc_write(codec, WM8400_CLOCKING_2, reg | div); | 
|  | break; | 
|  | case WM8400_ADCCLK_DIV: | 
|  | reg = snd_soc_read(codec, WM8400_CLOCKING_2) & | 
|  | ~WM8400_ADC_CLKDIV_MASK; | 
|  | snd_soc_write(codec, WM8400_CLOCKING_2, reg | div); | 
|  | break; | 
|  | case WM8400_BCLK_DIV: | 
|  | reg = snd_soc_read(codec, WM8400_CLOCKING_1) & | 
|  | ~WM8400_BCLK_DIV_MASK; | 
|  | snd_soc_write(codec, WM8400_CLOCKING_1, reg | div); | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Set PCM DAI bit size and sample rate. | 
|  | */ | 
|  | static int wm8400_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, WM8400_AUDIO_INTERFACE_1); | 
|  |  | 
|  | audio1 &= ~WM8400_AIF_WL_MASK; | 
|  | /* bit size */ | 
|  | switch (params_format(params)) { | 
|  | case SNDRV_PCM_FORMAT_S16_LE: | 
|  | break; | 
|  | case SNDRV_PCM_FORMAT_S20_3LE: | 
|  | audio1 |= WM8400_AIF_WL_20BITS; | 
|  | break; | 
|  | case SNDRV_PCM_FORMAT_S24_LE: | 
|  | audio1 |= WM8400_AIF_WL_24BITS; | 
|  | break; | 
|  | case SNDRV_PCM_FORMAT_S32_LE: | 
|  | audio1 |= WM8400_AIF_WL_32BITS; | 
|  | break; | 
|  | } | 
|  |  | 
|  | snd_soc_write(codec, WM8400_AUDIO_INTERFACE_1, audio1); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int wm8400_mute(struct snd_soc_dai *dai, int mute) | 
|  | { | 
|  | struct snd_soc_codec *codec = dai->codec; | 
|  | u16 val = snd_soc_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE; | 
|  |  | 
|  | if (mute) | 
|  | snd_soc_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE); | 
|  | else | 
|  | snd_soc_write(codec, WM8400_DAC_CTRL, val); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* TODO: set bias for best performance at standby */ | 
|  | static int wm8400_set_bias_level(struct snd_soc_codec *codec, | 
|  | enum snd_soc_bias_level level) | 
|  | { | 
|  | struct wm8400_priv *wm8400 = snd_soc_codec_get_drvdata(codec); | 
|  | u16 val; | 
|  | int ret; | 
|  |  | 
|  | switch (level) { | 
|  | case SND_SOC_BIAS_ON: | 
|  | break; | 
|  |  | 
|  | case SND_SOC_BIAS_PREPARE: | 
|  | /* VMID=2*50k */ | 
|  | val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1) & | 
|  | ~WM8400_VMID_MODE_MASK; | 
|  | snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2); | 
|  | break; | 
|  |  | 
|  | case SND_SOC_BIAS_STANDBY: | 
|  | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { | 
|  | ret = regulator_bulk_enable(ARRAY_SIZE(power), | 
|  | &power[0]); | 
|  | if (ret != 0) { | 
|  | dev_err(wm8400->wm8400->dev, | 
|  | "Failed to enable regulators: %d\n", | 
|  | ret); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, | 
|  | WM8400_CODEC_ENA | WM8400_SYSCLK_ENA); | 
|  |  | 
|  | /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */ | 
|  | snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | | 
|  | WM8400_BUFDCOPEN | WM8400_POBCTRL); | 
|  |  | 
|  | msleep(50); | 
|  |  | 
|  | /* Enable VREF & VMID at 2x50k */ | 
|  | val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1); | 
|  | val |= 0x2 | WM8400_VREF_ENA; | 
|  | snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val); | 
|  |  | 
|  | /* Enable BUFIOEN */ | 
|  | snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | | 
|  | WM8400_BUFDCOPEN | WM8400_POBCTRL | | 
|  | WM8400_BUFIOEN); | 
|  |  | 
|  | /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ | 
|  | snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN); | 
|  | } | 
|  |  | 
|  | /* VMID=2*300k */ | 
|  | val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1) & | 
|  | ~WM8400_VMID_MODE_MASK; | 
|  | snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4); | 
|  | break; | 
|  |  | 
|  | case SND_SOC_BIAS_OFF: | 
|  | /* Enable POBCTRL and SOFT_ST */ | 
|  | snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | | 
|  | WM8400_POBCTRL | WM8400_BUFIOEN); | 
|  |  | 
|  | /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */ | 
|  | snd_soc_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST | | 
|  | WM8400_BUFDCOPEN | WM8400_POBCTRL | | 
|  | WM8400_BUFIOEN); | 
|  |  | 
|  | /* mute DAC */ | 
|  | val = snd_soc_read(codec, WM8400_DAC_CTRL); | 
|  | snd_soc_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE); | 
|  |  | 
|  | /* Enable any disabled outputs */ | 
|  | val = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1); | 
|  | val |= WM8400_SPK_ENA | WM8400_OUT3_ENA | | 
|  | WM8400_OUT4_ENA | WM8400_LOUT_ENA | | 
|  | WM8400_ROUT_ENA; | 
|  | snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val); | 
|  |  | 
|  | /* Disable VMID */ | 
|  | val &= ~WM8400_VMID_MODE_MASK; | 
|  | snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val); | 
|  |  | 
|  | msleep(300); | 
|  |  | 
|  | /* Enable all output discharge bits */ | 
|  | snd_soc_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE | | 
|  | WM8400_DIS_RLINE | WM8400_DIS_OUT3 | | 
|  | WM8400_DIS_OUT4 | WM8400_DIS_LOUT | | 
|  | WM8400_DIS_ROUT); | 
|  |  | 
|  | /* Disable VREF */ | 
|  | val &= ~WM8400_VREF_ENA; | 
|  | snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, val); | 
|  |  | 
|  | /* disable POBCTRL, SOFT_ST and BUFDCOPEN */ | 
|  | snd_soc_write(codec, WM8400_ANTIPOP2, 0x0); | 
|  |  | 
|  | ret = regulator_bulk_disable(ARRAY_SIZE(power), | 
|  | &power[0]); | 
|  | if (ret != 0) | 
|  | return ret; | 
|  |  | 
|  | break; | 
|  | } | 
|  |  | 
|  | codec->dapm.bias_level = level; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #define WM8400_RATES SNDRV_PCM_RATE_8000_96000 | 
|  |  | 
|  | #define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ | 
|  | SNDRV_PCM_FMTBIT_S24_LE) | 
|  |  | 
|  | static const struct snd_soc_dai_ops wm8400_dai_ops = { | 
|  | .hw_params = wm8400_hw_params, | 
|  | .digital_mute = wm8400_mute, | 
|  | .set_fmt = wm8400_set_dai_fmt, | 
|  | .set_clkdiv = wm8400_set_dai_clkdiv, | 
|  | .set_sysclk = wm8400_set_dai_sysclk, | 
|  | .set_pll = wm8400_set_dai_pll, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * The WM8400 supports 2 different and mutually exclusive DAI | 
|  | * configurations. | 
|  | * | 
|  | * 1. ADC/DAC on Primary Interface | 
|  | * 2. ADC on Primary Interface/DAC on secondary | 
|  | */ | 
|  | static struct snd_soc_dai_driver wm8400_dai = { | 
|  | /* ADC/DAC on primary */ | 
|  | .name = "wm8400-hifi", | 
|  | .playback = { | 
|  | .stream_name = "Playback", | 
|  | .channels_min = 1, | 
|  | .channels_max = 2, | 
|  | .rates = WM8400_RATES, | 
|  | .formats = WM8400_FORMATS, | 
|  | }, | 
|  | .capture = { | 
|  | .stream_name = "Capture", | 
|  | .channels_min = 1, | 
|  | .channels_max = 2, | 
|  | .rates = WM8400_RATES, | 
|  | .formats = WM8400_FORMATS, | 
|  | }, | 
|  | .ops = &wm8400_dai_ops, | 
|  | }; | 
|  |  | 
|  | static int wm8400_suspend(struct snd_soc_codec *codec) | 
|  | { | 
|  | wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int wm8400_resume(struct snd_soc_codec *codec) | 
|  | { | 
|  | wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void wm8400_probe_deferred(struct work_struct *work) | 
|  | { | 
|  | struct wm8400_priv *priv = container_of(work, struct wm8400_priv, | 
|  | work); | 
|  | struct snd_soc_codec *codec = priv->codec; | 
|  |  | 
|  | /* charge output caps */ | 
|  | wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | 
|  | } | 
|  |  | 
|  | static int wm8400_codec_probe(struct snd_soc_codec *codec) | 
|  | { | 
|  | struct wm8400 *wm8400 = dev_get_platdata(codec->dev); | 
|  | struct wm8400_priv *priv; | 
|  | int ret; | 
|  | u16 reg; | 
|  |  | 
|  | priv = devm_kzalloc(codec->dev, sizeof(struct wm8400_priv), | 
|  | GFP_KERNEL); | 
|  | if (priv == NULL) | 
|  | return -ENOMEM; | 
|  |  | 
|  | snd_soc_codec_set_drvdata(codec, priv); | 
|  | codec->control_data = priv->wm8400 = wm8400; | 
|  | priv->codec = codec; | 
|  |  | 
|  | ret = devm_regulator_bulk_get(wm8400->dev, | 
|  | ARRAY_SIZE(power), &power[0]); | 
|  | if (ret != 0) { | 
|  | dev_err(codec->dev, "Failed to get regulators: %d\n", ret); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | INIT_WORK(&priv->work, wm8400_probe_deferred); | 
|  |  | 
|  | wm8400_codec_reset(codec); | 
|  |  | 
|  | reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1); | 
|  | snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA); | 
|  |  | 
|  | /* Latch volume update bits */ | 
|  | reg = snd_soc_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME); | 
|  | snd_soc_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME, | 
|  | reg & WM8400_IPVU); | 
|  | reg = snd_soc_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME); | 
|  | snd_soc_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME, | 
|  | reg & WM8400_IPVU); | 
|  |  | 
|  | snd_soc_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8)); | 
|  | snd_soc_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8)); | 
|  |  | 
|  | if (!schedule_work(&priv->work)) | 
|  | return -EINVAL; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int  wm8400_codec_remove(struct snd_soc_codec *codec) | 
|  | { | 
|  | u16 reg; | 
|  |  | 
|  | reg = snd_soc_read(codec, WM8400_POWER_MANAGEMENT_1); | 
|  | snd_soc_write(codec, WM8400_POWER_MANAGEMENT_1, | 
|  | reg & (~WM8400_CODEC_ENA)); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static struct snd_soc_codec_driver soc_codec_dev_wm8400 = { | 
|  | .probe =	wm8400_codec_probe, | 
|  | .remove =	wm8400_codec_remove, | 
|  | .suspend =	wm8400_suspend, | 
|  | .resume =	wm8400_resume, | 
|  | .read = snd_soc_read, | 
|  | .write = wm8400_write, | 
|  | .set_bias_level = wm8400_set_bias_level, | 
|  |  | 
|  | .controls = wm8400_snd_controls, | 
|  | .num_controls = ARRAY_SIZE(wm8400_snd_controls), | 
|  | .dapm_widgets = wm8400_dapm_widgets, | 
|  | .num_dapm_widgets = ARRAY_SIZE(wm8400_dapm_widgets), | 
|  | .dapm_routes = wm8400_dapm_routes, | 
|  | .num_dapm_routes = ARRAY_SIZE(wm8400_dapm_routes), | 
|  | }; | 
|  |  | 
|  | static int wm8400_probe(struct platform_device *pdev) | 
|  | { | 
|  | return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8400, | 
|  | &wm8400_dai, 1); | 
|  | } | 
|  |  | 
|  | static int wm8400_remove(struct platform_device *pdev) | 
|  | { | 
|  | snd_soc_unregister_codec(&pdev->dev); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static struct platform_driver wm8400_codec_driver = { | 
|  | .driver = { | 
|  | .name = "wm8400-codec", | 
|  | .owner = THIS_MODULE, | 
|  | }, | 
|  | .probe = wm8400_probe, | 
|  | .remove = wm8400_remove, | 
|  | }; | 
|  |  | 
|  | module_platform_driver(wm8400_codec_driver); | 
|  |  | 
|  | MODULE_DESCRIPTION("ASoC WM8400 driver"); | 
|  | MODULE_AUTHOR("Mark Brown"); | 
|  | MODULE_LICENSE("GPL"); | 
|  | MODULE_ALIAS("platform:wm8400-codec"); |