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/*
* Copyright (c) 2010 Nuvoton technology corporation.
*
* Wan ZongShun <mcuos.com@gmail.com>
*
* 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;version 2 of the License.
*
*/
#ifndef _NUC900_AUDIO_H
#define _NUC900_AUDIO_H
#include <linux/io.h>
/* Audio Control Registers */
#define ACTL_CON 0x00
#define ACTL_RESET 0x04
#define ACTL_RDSTB 0x08
#define ACTL_RDST_LENGTH 0x0C
#define ACTL_RDSTC 0x10
#define ACTL_RSR 0x14
#define ACTL_PDSTB 0x18
#define ACTL_PDST_LENGTH 0x1C
#define ACTL_PDSTC 0x20
#define ACTL_PSR 0x24
#define ACTL_IISCON 0x28
#define ACTL_ACCON 0x2C
#define ACTL_ACOS0 0x30
#define ACTL_ACOS1 0x34
#define ACTL_ACOS2 0x38
#define ACTL_ACIS0 0x3C
#define ACTL_ACIS1 0x40
#define ACTL_ACIS2 0x44
#define ACTL_COUNTER 0x48
/* bit definition of REG_ACTL_CON register */
#define R_DMA_IRQ 0x1000
#define T_DMA_IRQ 0x0800
#define IIS_AC_PIN_SEL 0x0100
#define FIFO_TH 0x0080
#define ADC_EN 0x0010
#define M80_EN 0x0008
#define ACLINK_EN 0x0004
#define IIS_EN 0x0002
/* bit definition of REG_ACTL_RESET register */
#define W5691_PLAY 0x20000
#define ACTL_RESET_BIT 0x10000
#define RECORD_RIGHT_CHNNEL 0x08000
#define RECORD_LEFT_CHNNEL 0x04000
#define PLAY_RIGHT_CHNNEL 0x02000
#define PLAY_LEFT_CHNNEL 0x01000
#define DAC_PLAY 0x00800
#define ADC_RECORD 0x00400
#define M80_PLAY 0x00200
#define AC_RECORD 0x00100
#define AC_PLAY 0x00080
#define IIS_RECORD 0x00040
#define IIS_PLAY 0x00020
#define DAC_RESET 0x00010
#define ADC_RESET 0x00008
#define M80_RESET 0x00004
#define AC_RESET 0x00002
#define IIS_RESET 0x00001
/* bit definition of REG_ACTL_ACCON register */
#define AC_BCLK_PU_EN 0x20
#define AC_R_FINISH 0x10
#define AC_W_FINISH 0x08
#define AC_W_RES 0x04
#define AC_C_RES 0x02
/* bit definition of ACTL_RSR register */
#define R_FIFO_EMPTY 0x04
#define R_DMA_END_IRQ 0x02
#define R_DMA_MIDDLE_IRQ 0x01
/* bit definition of ACTL_PSR register */
#define P_FIFO_EMPTY 0x04
#define P_DMA_END_IRQ 0x02
#define P_DMA_MIDDLE_IRQ 0x01
/* bit definition of ACTL_ACOS0 register */
#define SLOT1_VALID 0x01
#define SLOT2_VALID 0x02
#define SLOT3_VALID 0x04
#define SLOT4_VALID 0x08
#define VALID_FRAME 0x10
/* bit definition of ACTL_ACOS1 register */
#define R_WB 0x80
#define CODEC_READY 0x10
#define RESET_PRSR 0x00
#define AUDIO_WRITE(addr, val) __raw_writel(val, addr)
#define AUDIO_READ(addr) __raw_readl(addr)
struct nuc900_audio {
void __iomem *mmio;
spinlock_t lock;
dma_addr_t dma_addr[2];
unsigned long buffersize[2];
unsigned long irq_num;
struct snd_pcm_substream *substream;
struct resource *res;
struct clk *clk;
struct device *dev;
};
extern struct nuc900_audio *nuc900_ac97_data;
#endif /*end _NUC900_AUDIO_H */
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