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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _I8042_IP22_H
2#define _I8042_IP22_H
3
4#include <asm/sgi/ioc.h>
5#include <asm/sgi/ip22.h>
6
7/*
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published by
10 * the Free Software Foundation.
11 */
12
13/*
14 * Names.
15 */
16
17#define I8042_KBD_PHYS_DESC "hpc3ps2/serio0"
18#define I8042_AUX_PHYS_DESC "hpc3ps2/serio1"
19#define I8042_MUX_PHYS_DESC "hpc3ps2/serio%d"
20
21/*
22 * IRQs.
23 */
24
25#define I8042_KBD_IRQ SGI_KEYBD_IRQ
26#define I8042_AUX_IRQ SGI_KEYBD_IRQ
27
28/*
29 * Register numbers.
30 */
31
32#define I8042_COMMAND_REG ((unsigned long)&sgioc->kbdmouse.command)
33#define I8042_STATUS_REG ((unsigned long)&sgioc->kbdmouse.command)
34#define I8042_DATA_REG ((unsigned long)&sgioc->kbdmouse.data)
35
36static inline int i8042_read_data(void)
37{
38 return sgioc->kbdmouse.data;
39}
40
41static inline int i8042_read_status(void)
42{
43 return sgioc->kbdmouse.command;
44}
45
46static inline void i8042_write_data(int val)
47{
48 sgioc->kbdmouse.data = val;
49}
50
51static inline void i8042_write_command(int val)
52{
53 sgioc->kbdmouse.command = val;
54}
55
56static inline int i8042_platform_init(void)
57{
58#if 0
59 /* XXX sgi_kh is a virtual address */
60 if (!request_mem_region(sgi_kh, sizeof(struct hpc_keyb), "i8042"))
Dmitry Torokhov8d5987a2005-09-04 01:41:38 -050061 return -EBUSY;
Linus Torvalds1da177e2005-04-16 15:20:36 -070062#endif
63
64 i8042_reset = 1;
65
66 return 0;
67}
68
69static inline void i8042_platform_exit(void)
70{
71#if 0
72 release_mem_region(JAZZ_KEYBOARD_ADDRESS, sizeof(struct hpc_keyb));
73#endif
74}
75
76#endif /* _I8042_IP22_H */