at93c.h

linux 内核源代码

/*
 * Atmel AT93C46 serial eeprom driver
 *
 * Brian Murphy <[e-mail]>
 *
 */

extern struct at93c_defs {
	volatile u32 *reg;
	volatile u32 *rdata_reg;
	int rdata_shift;
	int wdata_shift;
	u32 cs;
	u32 clk;
} *at93c;

u8 at93c_read(u8 addr);
void at93c_write(u8 addr, u8 data);