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1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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2 | #ifndef _I8042_JAZZ_H |
3 | #define _I8042_JAZZ_H |
4 | |
5 | #include <asm/jazz.h> |
6 | |
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")) |
52 | return -EBUSY; |
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 */ |
66 |
Warning: This file is not a C or C++ file. It does not have highlighting.