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+/*
+ * arch/arm/plat-omap/include/mach/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 */
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