sound/soc/codecs/tlv320aic326x_mini-dsp.h

/*
 * linux/sound/soc/codecs/tlv320aic3262_mini-dsp.h
 *
 *
 * Copyright (C) 2011 Texas Instruments, Inc.
 *
 *
 * This package is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * History:
 * Rev 0.1   Added the multiconfig support     17-08-2011
 *
 * Rev 0.2   Migrated for aic3262 nVidia
 *        21-10-2011
 */

#ifndef _TLV320AIC3262_MINI_DSP_H
#define _TLV320AIC3262_MINI_DSP_H

/* defines */

#define MAXCONFIG 4

//#define DEBUG_MINIDSP_LOADING

/* Select the functionalities to be used in mini dsp module */
#define PROGRAM_MINI_DSP_first
//#define PROGRAM_MINI_DSP_second
#define PROGRAM_CODEC_REG_SECTIONS
#define ADD_MINI_DSP_CONTROLS

/* use the following macros to select between burst and byte mode of i2c
 * Byte mode uses standard read & write as provides debugging information if enabled
 * if enabled.
 * Multibyte should be used for production codes where performance is priority
 */
//#define MULTIBYTE_I2C
#undef MULTIBYTE_I2C

typedef struct {
	u8 reg_off;
	u8 reg_val;
} reg_value;

/*CONTROL LOCATIONS*/
typedef struct {
	u8 control_book;	/*coefficient book location*/
	u8 control_page;	/*coefficient page location*/
	u8 control_base;	/*coefficient base address within page*/
	u8 control_mute_flag;	/*non-zero means muting required*/
	u8 control_string_index;	/*string table index*/
} control;

/* volume ranges from -110db to 6db
 * amixer controls does not accept negative values
 * Therefore we are normalizing values to start from value 0
 * value 0 corresponds to -110db and 116 to 6db
 */
#define MAX_VOLUME_CONTROLS				2
#define MIN_VOLUME					0
#define MAX_VOLUME					116
#define VOLUME_REG_SIZE					3	/*  3 bytes */
#define VOLUME_KCONTROL_NAME			"(0=-110dB, 116=+6dB)"

#define FILT_CTL_NAME_ADC	"ADC adaptive filter(0=Disable, 1=Enable)"
#define FILT_CTL_NAME_DAC	"DAC adaptive filter(0=Disable, 1=Enable)"
#define COEFF_CTL_NAME_ADC	"ADC coeff Buffer(0=Buffer A, 1=Buffer B)"
#define COEFF_CTL_NAME_DAC	"DAC coeff Buffer(0=Buffer A, 1=Buffer B)"

#define BUFFER_PAGE_ADC					0x8
#define BUFFER_PAGE_DAC					0x2c

#define ADAPTIVE_MAX_CONTROLS			4

/*
 * MUX controls,  3 bytes of control data.
 */
#define MAX_MUX_CONTROLS			2
#define MIN_MUX_CTRL				0
#define MAX_MUX_CTRL				2
#define MUX_CTRL_REG_SIZE			3	/*  3 bytes */

#define MINIDSP_PARSING_START			0
#define MINIDSP_PARSING_END			(-1)

#define CODEC_REG_DONT_IGNORE			0
#define CODEC_REG_IGNORE			1

#define CODEC_REG_PRE_INIT		0
#define CODEC_REG_POST_INIT		1
#define INIT_SEQ_DELIMITER		255	/* Delimiter register */
#define DELIMITER_COUNT			2	/* 2 delimiter entries */

/* Parser info structure */
typedef struct {
	char page_num;
	char burst_array[129];
	int burst_size;
	int current_loc;
	int book_change;CONFIG_MINI_DSP
	u8 book_no;
} minidsp_parser_data;

/* I2c Page Change Structure */
typedef struct {
	char burst_array[4];
} minidsp_i2c_page;

/* This macro defines the total size of the miniDSP parser arrays
 * that the driver will maintain as a data backup.
 * The total memory requirement will be around
 * sizeof(minidsp_parser_data) * 48 = 138 * 32 = 4416 bytes
 */
#define MINIDSP_PARSER_ARRAY_SIZE           200

extern int
minidsp_i2c_multibyte_transfer(struct snd_soc_codec *, reg_value *, int);
extern int byte_i2c_array_transfer(struct snd_soc_codec *, reg_value *, int);
extern void minidsp_multiconfig(struct snd_soc_codec *,reg_value *, int ,reg_value *, int );
extern int reg_def_conf(struct snd_soc_codec *);

#endif