diff options
Diffstat (limited to 'kernel/sound/soc/codecs/wm8400.c')
| -rw-r--r-- | kernel/sound/soc/codecs/wm8400.c | 1379 |
1 files changed, 1379 insertions, 0 deletions
diff --git a/kernel/sound/soc/codecs/wm8400.c b/kernel/sound/soc/codecs/wm8400.c new file mode 100644 index 000000000..b0d84e552 --- /dev/null +++ b/kernel/sound/soc/codecs/wm8400.c @@ -0,0 +1,1379 @@ +/* + * 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" + +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 wm8400 *wm8400; + u16 fake_register; + unsigned int sysclk; + unsigned int pcmclk; + int fll_in, fll_out; +}; + +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_soc_kcontrol_codec(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 SOC_ENUM_SINGLE_DECL(wm8400_left_digital_sidetone_enum, + WM8400_DIGITAL_SIDE_TONE, + WM8400_ADC_TO_DACL_SHIFT, + wm8400_digital_sidetone); + +static SOC_ENUM_SINGLE_DECL(wm8400_right_digital_sidetone_enum, + WM8400_DIGITAL_SIDE_TONE, + WM8400_ADC_TO_DACR_SHIFT, + wm8400_digital_sidetone); + +static const char *wm8400_adcmode[] = + {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"}; + +static SOC_ENUM_SINGLE_DECL(wm8400_right_adcmode_enum, + WM8400_ADC_CTRL, + WM8400_ADC_HPF_CUT_SHIFT, + 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 outmixer_event (struct snd_soc_dapm_widget *w, + struct snd_kcontrol * kcontrol, int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + 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(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(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(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(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 SOC_ENUM_SINGLE_DECL(wm8400_ainlmux_enum, + WM8400_INPUT_MIXER1, + WM8400_AINLMODE_SHIFT, + 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 SOC_ENUM_SINGLE_DECL(wm8400_ainrmux_enum, + WM8400_INPUT_MIXER1, + WM8400_AINRMODE_SHIFT, + 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)), + +SND_SOC_DAPM_SUPPLY("INL", WM8400_POWER_MANAGEMENT_2, WM8400_AINL_ENA_SHIFT, + 0, NULL, 0), +SND_SOC_DAPM_SUPPLY("INR", WM8400_POWER_MANAGEMENT_2, WM8400_AINR_ENA_SHIFT, + 0, NULL, 0), + +/* INMIXL */ +SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0, + &wm8400_dapm_inmixl_controls[0], + ARRAY_SIZE(wm8400_dapm_inmixl_controls)), + +/* AINLMUX */ +SND_SOC_DAPM_MUX("AILNMUX", SND_SOC_NOPM, 0, 0, &wm8400_dapm_ainlmux_controls), + +/* INMIXR */ +SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0, + &wm8400_dapm_inmixr_controls[0], + ARRAY_SIZE(wm8400_dapm_inmixr_controls)), + +/* AINRMUX */ +SND_SOC_DAPM_MUX("AIRNMUX", SND_SOC_NOPM, 0, 0, &wm8400_dapm_ainrmux_controls), + +/* 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", NULL, "INL"}, + {"INMIXL", "Record Left Volume", "LOMIX"}, + {"INMIXL", "LIN2 Volume", "LIN2"}, + {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"}, + {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"}, + /* AILNMUX */ + {"AILNMUX", NULL, "INL"}, + {"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"}, + /* INMIXR */ + {"INMIXR", NULL, "INR"}, + {"INMIXR", "Record Right Volume", "ROMIX"}, + {"INMIXR", "RIN2 Volume", "RIN2"}, + {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"}, + {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"}, + /* AIRNMUX */ + {"AIRNMUX", NULL, "INR"}, + {"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_width(params)) { + case 16: + break; + case 20: + audio1 |= WM8400_AIF_WL_20BITS; + break; + case 24: + audio1 |= WM8400_AIF_WL_24BITS; + break; + case 32: + 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_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); + priv->wm8400 = wm8400; + + 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; + } + + 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)); + + 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 regmap *wm8400_get_regmap(struct device *dev) +{ + struct wm8400 *wm8400 = dev_get_platdata(dev); + + return wm8400->regmap; +} + +static struct snd_soc_codec_driver soc_codec_dev_wm8400 = { + .probe = wm8400_codec_probe, + .remove = wm8400_codec_remove, + .get_regmap = wm8400_get_regmap, + .set_bias_level = wm8400_set_bias_level, + .suspend_bias_off = true, + + .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", + }, + .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"); |