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#ifndef _SDR_H
#define _SDR_H
/* ======= General Parameter ======= */
/* Global configure */
#define DMA_LENGTH_BY_FRAME
#define MIXER_AC97
#include <minix/audio_fw.h>
#include <sys/types.h>
#include <sys/ioc_sound.h>
#include <minix/sound.h>
#include <machine/pci.h>
#include <sys/mman.h>
#include "io.h"
/* Subdevice type */
#define DAC 0
#define ADC 1
#define MIX 2
/* PCI number and driver name */
#define VENDOR_ID 0x1023
#define DEVICE_ID 0x2000
#define DRIVER_NAME "Trident"
/* Volume option */
#define GET_VOL 0
#define SET_VOL 1
/* Interrupt control */
#define INTR_ENABLE 1
#define INTR_DISABLE 0
/* Interrupt status */
#define INTR_STS_DAC 0x0020
#define INTR_STS_ADC 0x0004
/* ======= Self-defined Parameter ======= */
#define REG_DMA0 0x00
#define REG_DMA4 0x04
#define REG_DMA6 0x06
#define REG_DMA11 0x0b
#define REG_DMA15 0x0f
#define REG_CODEC_WRITE 0x40
#define REG_CODEC_READ 0x44
#define REG_CODEC_CTRL 0x48
#define REG_GCTRL 0xa0
#define REG_SB_DELTA 0xac
#define REG_SB_BASE 0xc0
#define REG_SB_CTRL 0xc4
#define REG_CHAN_BASE 0xe0
#define REG_INTR_STS 0xb0
#define REG_START_A 0x80
#define REG_STOP_A 0x84
#define REG_CSPF_A 0x90
#define REG_ADDR_INT_A 0x98
#define REG_INTR_CTRL_A 0xa4
#define REG_START_B 0xb4
#define REG_STOP_B 0xb8
#define REG_CSPF_B 0xbc
#define REG_ADDR_INT_B 0xd8
#define REG_INTR_CTRL_B 0xdc
#define STS_CODEC_BUSY 0x8000
#define CMD_FORMAT_BIT16 0x08
#define CMD_FORMAT_SIGN 0x02
#define CMD_FORMAT_STEREO 0x04
typedef struct channel_info {
u32_t cso, alpha, fms, fmc, ec;
u32_t dma, eso, delta, bufhalf, index;
u32_t rvol, cvol, gvsel, pan, vol, ctrl;
} channel_info;
static channel_info my_chan;
/* Driver Data Structure */
typedef struct aud_sub_dev_conf_t {
u32_t stereo;
u16_t sample_rate;
u32_t nr_of_bits;
u32_t sign;
u32_t busy;
u32_t fragment_size;
u8_t format;
} aud_sub_dev_conf_t;
typedef struct DEV_STRUCT {
char *name;
u16_t vid;
u16_t did;
u32_t devind;
u32_t base[6];
char irq;
char revision;
u32_t intr_status;
} DEV_STRUCT;
void dev_mixer_write(u32_t *base, u32_t reg, u32_t val);
u32_t dev_mixer_read(u32_t *base, u32_t reg);
#endif
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