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#ifndef W83977AF_H
#define W83977AF_H
#define W977_EFER 0x370
#define W977_EFIR 0x370
#define W977_EFDR 0x371
#define W977_DEVICE_IR 0x06
/*
* Enter extended function mode
*/
static inline void w977_efm_enter(void)
{
outb(0x87, W977_EFER);
outb(0x87, W977_EFER);
}
/*
* Select a device to configure
*/
static inline void w977_select_device(__u8 devnum)
{
outb(0x07, W977_EFIR);
outb(devnum, W977_EFDR);
}
/*
* Write a byte to a register
*/
static inline void w977_write_reg(__u8 reg, __u8 value)
{
outb(reg, W977_EFIR);
outb(value, W977_EFDR);
}
/*
* read a byte from a register
*/
static inline __u8 w977_read_reg(__u8 reg)
{
outb(reg, W977_EFIR);
return inb(W977_EFDR);
}
/*
* Exit extended function mode
*/
static inline void w977_efm_exit(void)
{
outb(0xAA, W977_EFER);
}
#endif
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