xref: /OK3568_Linux_fs/u-boot/include/ps2mult.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun #ifndef __LINUX_PS2MULT_H
2*4882a593Smuzhiyun #define __LINUX_PS2MULT_H
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun #define kbd_request_region()		ps2mult_init()
5*4882a593Smuzhiyun #define kbd_request_irq(handler)	ps2mult_request_irq(handler)
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #define kbd_read_input()		ps2mult_read_input()
8*4882a593Smuzhiyun #define kbd_read_status()		ps2mult_read_status()
9*4882a593Smuzhiyun #define kbd_write_output(val)		ps2mult_write_output(val)
10*4882a593Smuzhiyun #define kbd_write_command(val)		ps2mult_write_command(val)
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #define aux_request_irq(hand, dev_id)	0
13*4882a593Smuzhiyun #define aux_free_irq(dev_id)
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #define PS2MULT_KB_SELECTOR		0xA0
16*4882a593Smuzhiyun #define PS2MULT_MS_SELECTOR		0xA1
17*4882a593Smuzhiyun #define PS2MULT_ESCAPE			0x7D
18*4882a593Smuzhiyun #define PS2MULT_BSYNC			0x7E
19*4882a593Smuzhiyun #define PS2MULT_SESSION_START		0x55
20*4882a593Smuzhiyun #define PS2MULT_SESSION_END		0x56
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #define	PS2BUF_SIZE			512	/* power of 2, please */
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #ifndef CONFIG_PS2MULT_DELAY
25*4882a593Smuzhiyun #define CONFIG_PS2MULT_DELAY	(CONFIG_SYS_HZ/2)	/* Initial delay	*/
26*4882a593Smuzhiyun #endif
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun   /* PS/2 controller interface (include/asm/keyboard.h)
29*4882a593Smuzhiyun    */
30*4882a593Smuzhiyun extern int ps2mult_init (void);
31*4882a593Smuzhiyun extern int ps2mult_request_irq(void (*handler)(void *));
32*4882a593Smuzhiyun extern u_char ps2mult_read_input(void);
33*4882a593Smuzhiyun extern u_char ps2mult_read_status(void);
34*4882a593Smuzhiyun extern void ps2mult_write_output(u_char val);
35*4882a593Smuzhiyun extern void ps2mult_write_command(u_char val);
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun extern void ps2mult_early_init (void);
38*4882a593Smuzhiyun extern void ps2mult_callback (int in_cnt);
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun   /* Simple serial interface
41*4882a593Smuzhiyun    */
42*4882a593Smuzhiyun extern int ps2ser_init(void);
43*4882a593Smuzhiyun extern void ps2ser_putc(int chr);
44*4882a593Smuzhiyun extern int ps2ser_getc(void);
45*4882a593Smuzhiyun extern int ps2ser_check(void);
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun   /* Serial related stuff
49*4882a593Smuzhiyun    */
50*4882a593Smuzhiyun struct serial_state {
51*4882a593Smuzhiyun 	int	baud_base;
52*4882a593Smuzhiyun 	int	irq;
53*4882a593Smuzhiyun 	u8	*iomem_base;
54*4882a593Smuzhiyun };
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun #endif /* __LINUX_PS2MULT_H */
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