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/*
 * linux/include/asm-arm/arch-omap/aic23.h
 *
 * Hardware definitions for TI TLV320AIC23 audio codec
 *
 * Copyright (C) 2002 RidgeRun, Inc.
 * Author: Steve Johnson
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the  GNU General Public License along
 * with this program; if not, write  to the Free Software Foundation, Inc.,
 * 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __ASM_ARCH_AIC23_H
#define __ASM_ARCH_AIC23_H

// Codec TLV320AIC23
#define LEFT_LINE_VOLUME_ADDR		0x00
#define RIGHT_LINE_VOLUME_ADDR		0x01
#define LEFT_CHANNEL_VOLUME_ADDR	0x02
#define RIGHT_CHANNEL_VOLUME_ADDR	0x03
#define ANALOG_AUDIO_CONTROL_ADDR	0x04
#define DIGITAL_AUDIO_CONTROL_ADDR	0x05
#define POWER_DOWN_CONTROL_ADDR		0x06
#define DIGITAL_AUDIO_FORMAT_ADDR	0x07
#define SAMPLE_RATE_CONTROL_ADDR	0x08
#define DIGITAL_INTERFACE_ACT_ADDR	0x09
#define RESET_CONTROL_ADDR		0x0F

// Left (right) line input volume control register
#define LRS_ENABLED			0x0100
#define LIM_MUTED			0x0080
#define LIV_DEFAULT			0x0017
#define LIV_MAX				0x001f
#define LIV_MIN				0x0000

// Left (right) channel headphone volume control register
#define LZC_ON				0x0080
#define LHV_DEFAULT			0x0079
#define LHV_MAX				0x007f
#define LHV_MIN				0x0000

// Analog audio path control register
#define STA_REG(x)			((x)<<6)
#define STE_ENABLED			0x0020
#define DAC_SELECTED			0x0010
#define BYPASS_ON			0x0008
#define INSEL_MIC			0x0004
#define MICM_MUTED			0x0002
#define MICB_20DB			0x0001

// Digital audio path control register
#define DACM_MUTE			0x0008
#define DEEMP_32K			0x0002
#define DEEMP_44K			0x0004
#define DEEMP_48K			0x0006
#define ADCHP_ON			0x0001

// Power control down register
#define DEVICE_POWER_OFF	  	0x0080
#define CLK_OFF				0x0040
#define OSC_OFF				0x0020
#define OUT_OFF				0x0010
#define DAC_OFF				0x0008
#define ADC_OFF				0x0004
#define MIC_OFF				0x0002
#define LINE_OFF			0x0001

// Digital audio interface register
#define MS_MASTER			0x0040
#define LRSWAP_ON			0x0020
#define LRP_ON				0x0010
#define IWL_16				0x0000
#define IWL_20				0x0004
#define IWL_24				0x0008
#define IWL_32				0x000C
#define FOR_I2S				0x0002
#define FOR_DSP				0x0003

// Sample rate control register
#define CLKOUT_HALF			0x0080
#define CLKIN_HALF			0x0040
#define BOSR_384fs			0x0002 // BOSR_272fs when in USB mode
#define USB_CLK_ON			0x0001
#define SR_MASK                         0xf
#define CLKOUT_SHIFT                    7
#define CLKIN_SHIFT                     6
#define SR_SHIFT                        2
#define BOSR_SHIFT                      1

// Digital interface register
#define ACT_ON				0x0001

#define TLV320AIC23ID1                  (0x1a)	// cs low
#define TLV320AIC23ID2                  (0x1b)	// cs high

void aic23_power_up(void);
void aic23_power_down(void);

#endif /* __ASM_ARCH_AIC23_H */