1 #ifndef _I8042_SNIRM_H
2 #define _I8042_SNIRM_H
3 
4 #include <asm/sni.h>
5 
6 /*
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License version 2 as published by
9  * the Free Software Foundation.
10  */
11 
12 /*
13  * Names.
14  */
15 
16 #define I8042_KBD_PHYS_DESC "onboard/serio0"
17 #define I8042_AUX_PHYS_DESC "onboard/serio1"
18 #define I8042_MUX_PHYS_DESC "onboard/serio%d"
19 
20 /*
21  * IRQs.
22  */
23 static int i8042_kbd_irq;
24 static int i8042_aux_irq;
25 #define I8042_KBD_IRQ i8042_kbd_irq
26 #define I8042_AUX_IRQ i8042_aux_irq
27 
28 static void __iomem *kbd_iobase;
29 
30 #define I8042_COMMAND_REG	(kbd_iobase + 0x64UL)
31 #define I8042_DATA_REG		(kbd_iobase + 0x60UL)
32 
33 static inline int i8042_read_data(void)
34 {
35 	return readb(kbd_iobase + 0x60UL);
36 }
37 
38 static inline int i8042_read_status(void)
39 {
40 	return readb(kbd_iobase + 0x64UL);
41 }
42 
43 static inline void i8042_write_data(int val)
44 {
45 	writeb(val, kbd_iobase + 0x60UL);
46 }
47 
48 static inline void i8042_write_command(int val)
49 {
50 	writeb(val, kbd_iobase + 0x64UL);
51 }
52 static inline int i8042_platform_init(void)
53 {
54 	/* RM200 is strange ... */
55 	if (sni_brd_type == SNI_BRD_RM200) {
56 		kbd_iobase = ioremap(0x16000000, 4);
57 		i8042_kbd_irq = 33;
58 		i8042_aux_irq = 44;
59 	} else {
60 		kbd_iobase = ioremap(0x14000000, 4);
61 		i8042_kbd_irq = 1;
62 		i8042_aux_irq = 12;
63 	}
64 	if (!kbd_iobase)
65 		return -ENOMEM;
66 
67 	return 0;
68 }
69 
70 static inline void i8042_platform_exit(void)
71 {
72 
73 }
74 
75 #endif /* _I8042_SNIRM_H */
76