168 lines
5.2 KiB
C
168 lines
5.2 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Driver for internal Rockchip rk27xx audio codec
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* (shCODlp-100.01-HD IP core from Dolphin)
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*
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* Copyright (c) 2011 Marcin Bukat
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _RK27XX_CODEC_H_
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#define _RK27XX_CODEC_H_
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#define VOLUME_MIN -330
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#define VOLUME_MAX 40
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#define AUDIOHW_CAPS (BASS_CAP | TREBLE_CAP)
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extern int tenthdb2master(int db);
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extern void audiohw_set_master_vol(int vol_l, int vol_r);
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#define CODEC_I2C_ADDR 0x4e
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/* registers */
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#define AICR 0x00 /* Audio Interface Control */
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#define DAC_SERIAL (1<<3)
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#define ADC_SERIAL (1<<2)
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#define DAC_I2S (1<<1)
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#define ADC_I2S (1<<0)
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#define CR1 0x02 /* Control Register 1 */
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#define SB_MICBIAS (1<<7)
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#define CR1_MONO (1<<6)
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#define DAC_MUTE (1<<5)
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#define HP_DIS (1<<4)
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#define DACSEL (1<<3)
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#define BYPASS1 (1<<2)
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#define BYPASS2 (1<<1)
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#define SIDETONE (1<<0)
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#define CR2 0x04 /* Control Register 2 */
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#define DAC_DEEMP (1<<7)
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#define ADC_HPF (1<<2)
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#define INSEL_MIX (3<<0)
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#define INSEL_MIC (2<<0)
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#define INSEL_LINE2 (1<<0)
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#define INSEL_LINE1 (0<<0)
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#define CCR1 0x06 /* Control Clock Register 1 */
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#define CRYSTAL_16M (1<<0)
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#define CRYSTAL_12M (0<<0)
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#define CCR2 0x08 /* Control Clock Register 2 */
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#define FREQ8000 0x0a
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#define FREQ9600 0x09
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#define FREQ11025 0x08
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#define FREQ12000 0x07
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#define FREQ16000 0x06
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#define FREQ22050 0x05
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#define FREQ24000 0x04
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#define FREQ32000 0x03
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#define FREQ44100 0x02
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#define FREQ48000 0x01
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#define FREQ96000 0x00
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#define PMR1 0x0a /* Power Mode Register 1 */
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#define SB_DAC (1<<7)
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#define SB_OUT (1<<6)
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#define SB_MIX (1<<5)
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#define SB_ADC (1<<4)
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#define SB_IN1 (1<<3)
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#define SB_IN2 (1<<2)
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#define SB_MIC (1<<1)
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#define SB_IND (1<<0)
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#define PMR2 0x0c /* Power Mode Register 1 */
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#define LRGI (1<<7)
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#define RLGI (1<<6)
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#define LRGOD (1<<5)
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#define RLGOD (1<<4)
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#define GIM (1<<3)
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#define SB_MC (1<<2)
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#define SB (1<<1)
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#define SB_SLEEP (1<<0)
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#define CRR 0x0e /* Control Ramp Register */
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#define RATIO_8 (3<<5)
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#define RATIO_4 (2<<5)
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#define RATIO_2 (1<<5)
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#define RATIO_1 (0<<5)
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#define KFAST_32 (5<<2)
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#define KFAST_16 (4<<2)
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#define KFAST_8 (3<<2)
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#define KFAST_4 (2<<2)
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#define KFAST_2 (1<<2)
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#define KFAST_1 (0<<2)
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#define THRESHOLD_128 (3<<0)
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#define THRESHOLD_64 (2<<0)
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#define THRESHOLD_32 (1<<0)
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#define THRESHOLD_0 (0<<0)
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#define ICR 0x10 /* Interrupt Control Register */
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#define IRQ_LOW_PULSE (3<<6)
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#define IRQ_HIGH_PULSE (2<<6)
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#define IRQ_LOW (1<<6)
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#define IRQ_HIGH (0<<6)
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#define JACK_MASK (1<<5)
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#define CCMC_MASK (1<<4)
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#define RUD_MASK (1<<3)
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#define RDD_MASK (1<<2)
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#define GUD_MASK (1<<1)
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#define GDD_MASK (1<<0)
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#define IFR 0x12 /* Interrupt Flag Register */
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#define JACK (1<<6)
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#define JACK_EVENT (1<<5)
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#define CCMC (1<<4)
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#define RAMP_UP_DONE (1<<3)
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#define RAMP_DOWN_DONE (1<<2)
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#define GAIN_UP_DONE (1<<1)
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#define GAIN_DOWN_DONE (1<<0)
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#define CGR1 0x14 /* Control Gain Register 1 (DAC mixing) */
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#define CGR2 0x16 /* Control Gain Register 2 (LINE1 mixing) */
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#define LRGOB1 (1<<7)
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#define RLGOB1 (1<<6)
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#define CGR3 0x18 /* Control Gain Register 3 (LINE1 mixing) */
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#define CGR4 0x1a /* Control Gain Register 4 (LINE2 mixing) */
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#define LRGOB2 (1<<7)
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#define RLGOB2 (1<<6)
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#define CGR5 0x1c /* Control Gain Register 5 (LINE2 mixing) */
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#define CGR6 0x1e /* Control Gain Register 6 (MIC mixing) */
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#define LRGOS (1<<7)
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#define RLGOS (1<<6)
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#define CGR7 0x20 /* Control Gain Register 7 (MIC mixing) */
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#define CGR8 0x22 /* Control Gain Register 8 (OUT STAGE gain) */
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#define LRGO (1<<7)
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#define RLGO (1<<6)
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#define CGR9 0x24 /* Control Gain Register 9 (OUT STAGE gain) */
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#define CGR10 0x26 /* Control Gain Register 10 (ADC input gain) */
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#define TR1 0x28 /* undocumented */
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#define NOSC (1<<1)
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#define TR2 0x2a /* undocumented */
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#endif /* _RK27XX_CODEC_H_ */
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