tlv320aic26.h

Go to the documentation of this file.

/*
 * Texas Instruments TLV320AIC26 low power audio CODEC
 * register definitions
 *
 * Copyright (C) 2008 Secret Lab Technologies Ltd.
 */

#ifndef _TLV320AIC16_H_
#define _TLV320AIC16_H_

/* AIC26 Registers */
#define AIC26_READ_COMMAND_WORD(addr)   ((1 << 15) | (addr << 5))
#define AIC26_WRITE_COMMAND_WORD(addr)  ((0 << 15) | (addr << 5))
#define AIC26_PAGE_ADDR(page, offset)   ((page << 6) | offset)
#define AIC26_NUM_REGS          AIC26_PAGE_ADDR(3, 0)

/* Page 0: Auxiliary data registers */
#define AIC26_REG_BAT1          AIC26_PAGE_ADDR(0, 0x05)
#define AIC26_REG_BAT2          AIC26_PAGE_ADDR(0, 0x06)
#define AIC26_REG_AUX           AIC26_PAGE_ADDR(0, 0x07)
#define AIC26_REG_TEMP1         AIC26_PAGE_ADDR(0, 0x09)
#define AIC26_REG_TEMP2         AIC26_PAGE_ADDR(0, 0x0A)

/* Page 1: Auxiliary control registers */
#define AIC26_REG_AUX_ADC       AIC26_PAGE_ADDR(1, 0x00)
#define AIC26_REG_STATUS        AIC26_PAGE_ADDR(1, 0x01)
#define AIC26_REG_REFERENCE     AIC26_PAGE_ADDR(1, 0x03)
#define AIC26_REG_RESET         AIC26_PAGE_ADDR(1, 0x04)

/* Page 2: Audio control registers */
#define AIC26_REG_AUDIO_CTRL1       AIC26_PAGE_ADDR(2, 0x00)
#define AIC26_REG_ADC_GAIN      AIC26_PAGE_ADDR(2, 0x01)
#define AIC26_REG_DAC_GAIN      AIC26_PAGE_ADDR(2, 0x02)
#define AIC26_REG_SIDETONE      AIC26_PAGE_ADDR(2, 0x03)
#define AIC26_REG_AUDIO_CTRL2       AIC26_PAGE_ADDR(2, 0x04)
#define AIC26_REG_POWER_CTRL        AIC26_PAGE_ADDR(2, 0x05)
#define AIC26_REG_AUDIO_CTRL3       AIC26_PAGE_ADDR(2, 0x06)

#define AIC26_REG_FILTER_COEFF_L_N0 AIC26_PAGE_ADDR(2, 0x07)
#define AIC26_REG_FILTER_COEFF_L_N1 AIC26_PAGE_ADDR(2, 0x08)
#define AIC26_REG_FILTER_COEFF_L_N2 AIC26_PAGE_ADDR(2, 0x09)
#define AIC26_REG_FILTER_COEFF_L_N3 AIC26_PAGE_ADDR(2, 0x0A)
#define AIC26_REG_FILTER_COEFF_L_N4 AIC26_PAGE_ADDR(2, 0x0B)
#define AIC26_REG_FILTER_COEFF_L_N5 AIC26_PAGE_ADDR(2, 0x0C)
#define AIC26_REG_FILTER_COEFF_L_D1 AIC26_PAGE_ADDR(2, 0x0D)
#define AIC26_REG_FILTER_COEFF_L_D2 AIC26_PAGE_ADDR(2, 0x0E)
#define AIC26_REG_FILTER_COEFF_L_D4 AIC26_PAGE_ADDR(2, 0x0F)
#define AIC26_REG_FILTER_COEFF_L_D5 AIC26_PAGE_ADDR(2, 0x10)
#define AIC26_REG_FILTER_COEFF_R_N0 AIC26_PAGE_ADDR(2, 0x11)
#define AIC26_REG_FILTER_COEFF_R_N1 AIC26_PAGE_ADDR(2, 0x12)
#define AIC26_REG_FILTER_COEFF_R_N2 AIC26_PAGE_ADDR(2, 0x13)
#define AIC26_REG_FILTER_COEFF_R_N3 AIC26_PAGE_ADDR(2, 0x14)
#define AIC26_REG_FILTER_COEFF_R_N4 AIC26_PAGE_ADDR(2, 0x15)
#define AIC26_REG_FILTER_COEFF_R_N5 AIC26_PAGE_ADDR(2, 0x16)
#define AIC26_REG_FILTER_COEFF_R_D1 AIC26_PAGE_ADDR(2, 0x17)
#define AIC26_REG_FILTER_COEFF_R_D2 AIC26_PAGE_ADDR(2, 0x18)
#define AIC26_REG_FILTER_COEFF_R_D4 AIC26_PAGE_ADDR(2, 0x19)
#define AIC26_REG_FILTER_COEFF_R_D5 AIC26_PAGE_ADDR(2, 0x1A)

#define AIC26_REG_PLL_PROG1     AIC26_PAGE_ADDR(2, 0x1B)
#define AIC26_REG_PLL_PROG2     AIC26_PAGE_ADDR(2, 0x1C)
#define AIC26_REG_AUDIO_CTRL4       AIC26_PAGE_ADDR(2, 0x1D)
#define AIC26_REG_AUDIO_CTRL5       AIC26_PAGE_ADDR(2, 0x1E)

/* fsref dividers; used in register 'Audio Control 1' */
enum aic26_divisors {
    AIC26_DIV_1 = 0,
    AIC26_DIV_1_5   = 1,
    AIC26_DIV_2 = 2,
    AIC26_DIV_3 = 3,
    AIC26_DIV_4 = 4,
    AIC26_DIV_5 = 5,
    AIC26_DIV_5_5   = 6,
    AIC26_DIV_6 = 7,
};

/* Digital data format */
enum aic26_datfm {
    AIC26_DATFM_I2S     = 0 << 8,
    AIC26_DATFM_DSP     = 1 << 8,
    AIC26_DATFM_RIGHTJ  = 2 << 8, /* right justified */
    AIC26_DATFM_LEFTJ   = 3 << 8, /* left justified */
};

/* Sample word length in bits; used in register 'Audio Control 1' */
enum aic26_wlen {
    AIC26_WLEN_16   = 0 << 10,
    AIC26_WLEN_20   = 1 << 10,
    AIC26_WLEN_24   = 2 << 10,
    AIC26_WLEN_32   = 3 << 10,
};

#endif /* _TLV320AIC16_H_ */