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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 */ |