6b13f685e
 김민수
BSP 최초 추가
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#ifndef W83977AF_H
#define W83977AF_H
#define W977_EFIO_BASE 0x370
#define W977_EFIO2_BASE 0x3f0
#define W977_DEVICE_IR 0x06
/*
* Enter extended function mode
*/
static inline void w977_efm_enter(unsigned int efio)
{
outb(0x87, efio);
outb(0x87, efio);
}
/*
* Select a device to configure
*/
static inline void w977_select_device(__u8 devnum, unsigned int efio)
{
outb(0x07, efio);
outb(devnum, efio+1);
}
/*
* Write a byte to a register
*/
static inline void w977_write_reg(__u8 reg, __u8 value, unsigned int efio)
{
outb(reg, efio);
outb(value, efio+1);
}
/*
* read a byte from a register
*/
static inline __u8 w977_read_reg(__u8 reg, unsigned int efio)
{
outb(reg, efio);
return inb(efio+1);
}
/*
* Exit extended function mode
*/
static inline void w977_efm_exit(unsigned int efio)
{
outb(0xAA, efio);
}
#endif
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