227 lines
7.3 KiB
C
227 lines
7.3 KiB
C
#ifndef __SOUND_WM8776_H
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#define __SOUND_WM8776_H
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/*
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* ALSA driver for ICEnsemble VT17xx
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*
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* Lowlevel functions for WM8776 codec
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*
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* Copyright (c) 2012 Ondrej Zary <linux@rainbow-software.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#define WM8776_REG_HPLVOL 0x00
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#define WM8776_REG_HPRVOL 0x01
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#define WM8776_REG_HPMASTER 0x02
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#define WM8776_HPVOL_MASK 0x17f /* incl. update bit */
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#define WM8776_VOL_HPZCEN (1 << 7) /* zero cross detect */
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#define WM8776_VOL_UPDATE (1 << 8) /* update volume */
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#define WM8776_REG_DACLVOL 0x03
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#define WM8776_REG_DACRVOL 0x04
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#define WM8776_REG_DACMASTER 0x05
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#define WM8776_DACVOL_MASK 0x1ff /* incl. update bit */
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#define WM8776_REG_PHASESWAP 0x06
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#define WM8776_PHASE_INVERTL (1 << 0)
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#define WM8776_PHASE_INVERTR (1 << 1)
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#define WM8776_REG_DACCTRL1 0x07
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#define WM8776_DAC_DZCEN (1 << 0)
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#define WM8776_DAC_ATC (1 << 1)
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#define WM8776_DAC_IZD (1 << 2)
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#define WM8776_DAC_TOD (1 << 3)
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#define WM8776_DAC_PL_MASK 0xf0
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#define WM8776_DAC_PL_LL (1 << 4) /* L chan: L signal */
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#define WM8776_DAC_PL_LR (2 << 4) /* L chan: R signal */
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#define WM8776_DAC_PL_LB (3 << 4) /* L chan: both */
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#define WM8776_DAC_PL_RL (1 << 6) /* R chan: L signal */
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#define WM8776_DAC_PL_RR (2 << 6) /* R chan: R signal */
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#define WM8776_DAC_PL_RB (3 << 6) /* R chan: both */
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#define WM8776_REG_DACMUTE 0x08
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#define WM8776_DACMUTE (1 << 0)
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#define WM8776_REG_DACCTRL2 0x09
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#define WM8776_DAC2_DEEMPH (1 << 0)
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#define WM8776_DAC2_ZFLAG_DISABLE (0 << 1)
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#define WM8776_DAC2_ZFLAG_OWN (1 << 1)
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#define WM8776_DAC2_ZFLAG_BOTH (2 << 1)
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#define WM8776_DAC2_ZFLAG_EITHER (3 << 1)
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#define WM8776_REG_DACIFCTRL 0x0a
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#define WM8776_FMT_RIGHTJ (0 << 0)
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#define WM8776_FMT_LEFTJ (1 << 0)
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#define WM8776_FMT_I2S (2 << 0)
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#define WM8776_FMT_DSP (3 << 0)
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#define WM8776_FMT_DSP_LATE (1 << 2) /* in DSP mode */
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#define WM8776_FMT_LRC_INVERTED (1 << 2) /* in other modes */
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#define WM8776_FMT_BCLK_INVERTED (1 << 3)
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#define WM8776_FMT_16BIT (0 << 4)
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#define WM8776_FMT_20BIT (1 << 4)
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#define WM8776_FMT_24BIT (2 << 4)
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#define WM8776_FMT_32BIT (3 << 4)
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#define WM8776_REG_ADCIFCTRL 0x0b
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#define WM8776_FMT_ADCMCLK_INVERTED (1 << 6)
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#define WM8776_FMT_ADCHPD (1 << 8)
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#define WM8776_REG_MSTRCTRL 0x0c
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#define WM8776_IF_ADC256FS (2 << 0)
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#define WM8776_IF_ADC384FS (3 << 0)
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#define WM8776_IF_ADC512FS (4 << 0)
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#define WM8776_IF_ADC768FS (5 << 0)
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#define WM8776_IF_OVERSAMP64 (1 << 3)
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#define WM8776_IF_DAC128FS (0 << 4)
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#define WM8776_IF_DAC192FS (1 << 4)
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#define WM8776_IF_DAC256FS (2 << 4)
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#define WM8776_IF_DAC384FS (3 << 4)
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#define WM8776_IF_DAC512FS (4 << 4)
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#define WM8776_IF_DAC768FS (5 << 4)
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#define WM8776_IF_DAC_MASTER (1 << 7)
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#define WM8776_IF_ADC_MASTER (1 << 8)
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#define WM8776_REG_PWRDOWN 0x0d
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#define WM8776_PWR_PDWN (1 << 0)
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#define WM8776_PWR_ADCPD (1 << 1)
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#define WM8776_PWR_DACPD (1 << 2)
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#define WM8776_PWR_HPPD (1 << 3)
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#define WM8776_PWR_AINPD (1 << 6)
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#define WM8776_REG_ADCLVOL 0x0e
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#define WM8776_REG_ADCRVOL 0x0f
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#define WM8776_ADC_GAIN_MASK 0xff
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#define WM8776_ADC_ZCEN (1 << 8)
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#define WM8776_REG_ALCCTRL1 0x10
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#define WM8776_ALC1_LCT_MASK 0x0f /* 0=-16dB, 1=-15dB..15=-1dB */
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#define WM8776_ALC1_MAXGAIN_MASK 0x70 /* 0,1=0dB, 2=+4dB...7=+24dB */
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#define WM8776_ALC1_LCSEL_MASK 0x180
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#define WM8776_ALC1_LCSEL_LIMITER (0 << 7)
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#define WM8776_ALC1_LCSEL_ALCR (1 << 7)
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#define WM8776_ALC1_LCSEL_ALCL (2 << 7)
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#define WM8776_ALC1_LCSEL_ALCSTEREO (3 << 7)
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#define WM8776_REG_ALCCTRL2 0x11
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#define WM8776_ALC2_HOLD_MASK 0x0f /*0=0ms, 1=2.67ms, 2=5.33ms.. */
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#define WM8776_ALC2_ZCEN (1 << 7)
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#define WM8776_ALC2_LCEN (1 << 8)
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#define WM8776_REG_ALCCTRL3 0x12
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#define WM8776_ALC3_ATK_MASK 0x0f
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#define WM8776_ALC3_DCY_MASK 0xf0
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#define WM8776_ALC3_FDECAY (1 << 8)
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#define WM8776_REG_NOISEGATE 0x13
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#define WM8776_NGAT_ENABLE (1 << 0)
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#define WM8776_NGAT_THR_MASK 0x1c /*0=-78dB, 1=-72dB...7=-36dB */
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#define WM8776_REG_LIMITER 0x14
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#define WM8776_LIM_MAXATTEN_MASK 0x0f
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#define WM8776_LIM_TRANWIN_MASK 0x70 /*0=0us, 1=62.5us, 2=125us.. */
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#define WM8776_REG_ADCMUX 0x15
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#define WM8776_ADC_MUX_AIN1 (1 << 0)
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#define WM8776_ADC_MUX_AIN2 (1 << 1)
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#define WM8776_ADC_MUX_AIN3 (1 << 2)
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#define WM8776_ADC_MUX_AIN4 (1 << 3)
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#define WM8776_ADC_MUX_AIN5 (1 << 4)
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#define WM8776_ADC_MUTER (1 << 6)
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#define WM8776_ADC_MUTEL (1 << 7)
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#define WM8776_ADC_LRBOTH (1 << 8)
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#define WM8776_REG_OUTMUX 0x16
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#define WM8776_OUTMUX_DAC (1 << 0)
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#define WM8776_OUTMUX_AUX (1 << 1)
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#define WM8776_OUTMUX_BYPASS (1 << 2)
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#define WM8776_REG_RESET 0x17
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#define WM8776_REG_COUNT 0x17 /* don't cache the RESET register */
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struct snd_wm8776;
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struct snd_wm8776_ops {
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void (*write)(struct snd_wm8776 *wm, u8 addr, u8 data);
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};
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enum snd_wm8776_ctl_id {
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WM8776_CTL_DAC_VOL,
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WM8776_CTL_DAC_SW,
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WM8776_CTL_DAC_ZC_SW,
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WM8776_CTL_HP_VOL,
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WM8776_CTL_HP_SW,
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WM8776_CTL_HP_ZC_SW,
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WM8776_CTL_AUX_SW,
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WM8776_CTL_BYPASS_SW,
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WM8776_CTL_DAC_IZD_SW,
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WM8776_CTL_PHASE_SW,
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WM8776_CTL_DEEMPH_SW,
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WM8776_CTL_ADC_VOL,
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WM8776_CTL_ADC_SW,
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WM8776_CTL_INPUT1_SW,
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WM8776_CTL_INPUT2_SW,
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WM8776_CTL_INPUT3_SW,
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WM8776_CTL_INPUT4_SW,
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WM8776_CTL_INPUT5_SW,
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WM8776_CTL_AGC_SEL,
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WM8776_CTL_LIM_THR,
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WM8776_CTL_LIM_ATK,
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WM8776_CTL_LIM_DCY,
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WM8776_CTL_LIM_TRANWIN,
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WM8776_CTL_LIM_MAXATTN,
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WM8776_CTL_ALC_TGT,
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WM8776_CTL_ALC_ATK,
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WM8776_CTL_ALC_DCY,
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WM8776_CTL_ALC_MAXGAIN,
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WM8776_CTL_ALC_MAXATTN,
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WM8776_CTL_ALC_HLD,
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WM8776_CTL_NGT_SW,
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WM8776_CTL_NGT_THR,
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WM8776_CTL_COUNT,
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};
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#define WM8776_ENUM_MAX 16
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#define WM8776_FLAG_STEREO (1 << 0)
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#define WM8776_FLAG_VOL_UPDATE (1 << 1)
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#define WM8776_FLAG_INVERT (1 << 2)
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#define WM8776_FLAG_LIM (1 << 3)
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#define WM8776_FLAG_ALC (1 << 4)
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struct snd_wm8776_ctl {
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const char *name;
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snd_ctl_elem_type_t type;
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const char *const enum_names[WM8776_ENUM_MAX];
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const unsigned int *tlv;
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u16 reg1, reg2, mask1, mask2, min, max, flags;
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void (*set)(struct snd_wm8776 *wm, u16 ch1, u16 ch2);
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void (*get)(struct snd_wm8776 *wm, u16 *ch1, u16 *ch2);
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};
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enum snd_wm8776_agc_mode {
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WM8776_AGC_OFF,
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WM8776_AGC_LIM,
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WM8776_AGC_ALC_R,
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WM8776_AGC_ALC_L,
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WM8776_AGC_ALC_STEREO
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};
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struct snd_wm8776 {
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struct snd_card *card;
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struct snd_wm8776_ctl ctl[WM8776_CTL_COUNT];
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enum snd_wm8776_agc_mode agc_mode;
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struct snd_wm8776_ops ops;
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u16 regs[WM8776_REG_COUNT]; /* 9-bit registers */
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};
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void snd_wm8776_init(struct snd_wm8776 *wm);
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void snd_wm8776_resume(struct snd_wm8776 *wm);
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void snd_wm8776_set_dac_if(struct snd_wm8776 *wm, u16 dac);
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void snd_wm8776_set_adc_if(struct snd_wm8776 *wm, u16 adc);
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void snd_wm8776_set_master_mode(struct snd_wm8776 *wm, u16 mode);
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void snd_wm8776_set_power(struct snd_wm8776 *wm, u16 power);
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void snd_wm8776_volume_restore(struct snd_wm8776 *wm);
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int snd_wm8776_build_controls(struct snd_wm8776 *wm);
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#endif /* __SOUND_WM8776_H */
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