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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
1da177e4 LT |
2 | #ifndef _I8042_IP22_H |
3 | #define _I8042_IP22_H | |
4 | ||
5 | #include <asm/sgi/ioc.h> | |
6 | #include <asm/sgi/ip22.h> | |
7 | ||
1da177e4 LT |
8 | |
9 | /* | |
10 | * Names. | |
11 | */ | |
12 | ||
13 | #define I8042_KBD_PHYS_DESC "hpc3ps2/serio0" | |
14 | #define I8042_AUX_PHYS_DESC "hpc3ps2/serio1" | |
15 | #define I8042_MUX_PHYS_DESC "hpc3ps2/serio%d" | |
16 | ||
17 | /* | |
18 | * IRQs. | |
19 | */ | |
20 | ||
21 | #define I8042_KBD_IRQ SGI_KEYBD_IRQ | |
22 | #define I8042_AUX_IRQ SGI_KEYBD_IRQ | |
23 | ||
24 | /* | |
25 | * Register numbers. | |
26 | */ | |
27 | ||
28 | #define I8042_COMMAND_REG ((unsigned long)&sgioc->kbdmouse.command) | |
29 | #define I8042_STATUS_REG ((unsigned long)&sgioc->kbdmouse.command) | |
30 | #define I8042_DATA_REG ((unsigned long)&sgioc->kbdmouse.data) | |
31 | ||
32 | static inline int i8042_read_data(void) | |
33 | { | |
34 | return sgioc->kbdmouse.data; | |
35 | } | |
36 | ||
37 | static inline int i8042_read_status(void) | |
38 | { | |
39 | return sgioc->kbdmouse.command; | |
40 | } | |
41 | ||
42 | static inline void i8042_write_data(int val) | |
43 | { | |
44 | sgioc->kbdmouse.data = val; | |
45 | } | |
46 | ||
47 | static inline void i8042_write_command(int val) | |
48 | { | |
49 | sgioc->kbdmouse.command = val; | |
50 | } | |
51 | ||
52 | static inline int i8042_platform_init(void) | |
53 | { | |
54 | #if 0 | |
55 | /* XXX sgi_kh is a virtual address */ | |
56 | if (!request_mem_region(sgi_kh, sizeof(struct hpc_keyb), "i8042")) | |
8d5987a6 | 57 | return -EBUSY; |
1da177e4 LT |
58 | #endif |
59 | ||
930e1924 | 60 | i8042_reset = I8042_RESET_ALWAYS; |
1da177e4 LT |
61 | |
62 | return 0; | |
63 | } | |
64 | ||
65 | static inline void i8042_platform_exit(void) | |
66 | { | |
67 | #if 0 | |
68 | release_mem_region(JAZZ_KEYBOARD_ADDRESS, sizeof(struct hpc_keyb)); | |
69 | #endif | |
70 | } | |
71 | ||
72 | #endif /* _I8042_IP22_H */ |