Commit | Line | Data |
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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
1da177e4 LT |
2 | #ifndef _I8042_JAZZ_H |
3 | #define _I8042_JAZZ_H | |
4 | ||
5 | #include <asm/jazz.h> | |
6 | ||
1da177e4 LT |
7 | |
8 | /* | |
9 | * Names. | |
10 | */ | |
11 | ||
12 | #define I8042_KBD_PHYS_DESC "R4030/serio0" | |
13 | #define I8042_AUX_PHYS_DESC "R4030/serio1" | |
14 | #define I8042_MUX_PHYS_DESC "R4030/serio%d" | |
15 | ||
16 | /* | |
17 | * IRQs. | |
18 | */ | |
19 | ||
20 | #define I8042_KBD_IRQ JAZZ_KEYBOARD_IRQ | |
21 | #define I8042_AUX_IRQ JAZZ_MOUSE_IRQ | |
22 | ||
23 | #define I8042_COMMAND_REG ((unsigned long)&jazz_kh->command) | |
24 | #define I8042_STATUS_REG ((unsigned long)&jazz_kh->command) | |
25 | #define I8042_DATA_REG ((unsigned long)&jazz_kh->data) | |
26 | ||
27 | static inline int i8042_read_data(void) | |
28 | { | |
29 | return jazz_kh->data; | |
30 | } | |
31 | ||
32 | static inline int i8042_read_status(void) | |
33 | { | |
34 | return jazz_kh->command; | |
35 | } | |
36 | ||
37 | static inline void i8042_write_data(int val) | |
38 | { | |
39 | jazz_kh->data = val; | |
40 | } | |
41 | ||
42 | static inline void i8042_write_command(int val) | |
43 | { | |
44 | jazz_kh->command = val; | |
45 | } | |
46 | ||
47 | static inline int i8042_platform_init(void) | |
48 | { | |
49 | #if 0 | |
50 | /* XXX JAZZ_KEYBOARD_ADDRESS is a virtual address */ | |
51 | if (!request_mem_region(JAZZ_KEYBOARD_ADDRESS, 2, "i8042")) | |
8d5987a6 | 52 | return -EBUSY; |
1da177e4 LT |
53 | #endif |
54 | ||
55 | return 0; | |
56 | } | |
57 | ||
58 | static inline void i8042_platform_exit(void) | |
59 | { | |
60 | #if 0 | |
61 | release_mem_region(JAZZ_KEYBOARD_ADDRESS, 2); | |
62 | #endif | |
63 | } | |
64 | ||
65 | #endif /* _I8042_JAZZ_H */ |