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bootloader/u-boot_2015_04/include/ps2mult.h 1.47 KB
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  #ifndef __LINUX_PS2MULT_H
  #define __LINUX_PS2MULT_H
  
  #define kbd_request_region()		ps2mult_init()
  #define kbd_request_irq(handler)	ps2mult_request_irq(handler)
  
  #define kbd_read_input()		ps2mult_read_input()
  #define kbd_read_status()		ps2mult_read_status()
  #define kbd_write_output(val)		ps2mult_write_output(val)
  #define kbd_write_command(val)		ps2mult_write_command(val)
  
  #define aux_request_irq(hand, dev_id)	0
  #define aux_free_irq(dev_id)
  
  #define PS2MULT_KB_SELECTOR		0xA0
  #define PS2MULT_MS_SELECTOR		0xA1
  #define PS2MULT_ESCAPE			0x7D
  #define PS2MULT_BSYNC			0x7E
  #define PS2MULT_SESSION_START		0x55
  #define PS2MULT_SESSION_END		0x56
  
  #define	PS2BUF_SIZE			512	/* power of 2, please */
  
  #ifndef CONFIG_PS2MULT_DELAY
  #define CONFIG_PS2MULT_DELAY	(CONFIG_SYS_HZ/2)	/* Initial delay	*/
  #endif
  
    /* PS/2 controller interface (include/asm/keyboard.h)
     */
  extern int ps2mult_init (void);
  extern int ps2mult_request_irq(void (*handler)(void *));
  extern u_char ps2mult_read_input(void);
  extern u_char ps2mult_read_status(void);
  extern void ps2mult_write_output(u_char val);
  extern void ps2mult_write_command(u_char val);
  
  extern void ps2mult_early_init (void);
  extern void ps2mult_callback (int in_cnt);
  
    /* Simple serial interface
     */
  extern int ps2ser_init(void);
  extern void ps2ser_putc(int chr);
  extern int ps2ser_getc(void);
  extern int ps2ser_check(void);
  
  
    /* Serial related stuff
     */
  struct serial_state {
  	int	baud_base;
  	int	irq;
  	u8	*iomem_base;
  };
  
  #endif /* __LINUX_PS2MULT_H */