Commit | Line | Data |
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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
f1782447 TB |
2 | #ifndef _I8042_SNIRM_H |
3 | #define _I8042_SNIRM_H | |
4 | ||
5 | #include <asm/sni.h> | |
6 | ||
f1782447 TB |
7 | |
8 | /* | |
9 | * Names. | |
10 | */ | |
11 | ||
12 | #define I8042_KBD_PHYS_DESC "onboard/serio0" | |
13 | #define I8042_AUX_PHYS_DESC "onboard/serio1" | |
14 | #define I8042_MUX_PHYS_DESC "onboard/serio%d" | |
15 | ||
16 | /* | |
17 | * IRQs. | |
18 | */ | |
19 | static int i8042_kbd_irq; | |
20 | static int i8042_aux_irq; | |
21 | #define I8042_KBD_IRQ i8042_kbd_irq | |
22 | #define I8042_AUX_IRQ i8042_aux_irq | |
23 | ||
24 | static void __iomem *kbd_iobase; | |
25 | ||
26 | #define I8042_COMMAND_REG (kbd_iobase + 0x64UL) | |
27 | #define I8042_DATA_REG (kbd_iobase + 0x60UL) | |
28 | ||
29 | static inline int i8042_read_data(void) | |
30 | { | |
31 | return readb(kbd_iobase + 0x60UL); | |
32 | } | |
33 | ||
34 | static inline int i8042_read_status(void) | |
35 | { | |
36 | return readb(kbd_iobase + 0x64UL); | |
37 | } | |
38 | ||
39 | static inline void i8042_write_data(int val) | |
40 | { | |
41 | writeb(val, kbd_iobase + 0x60UL); | |
42 | } | |
43 | ||
44 | static inline void i8042_write_command(int val) | |
45 | { | |
46 | writeb(val, kbd_iobase + 0x64UL); | |
47 | } | |
48 | static inline int i8042_platform_init(void) | |
49 | { | |
50 | /* RM200 is strange ... */ | |
51 | if (sni_brd_type == SNI_BRD_RM200) { | |
52 | kbd_iobase = ioremap(0x16000000, 4); | |
53 | i8042_kbd_irq = 33; | |
54 | i8042_aux_irq = 44; | |
55 | } else { | |
56 | kbd_iobase = ioremap(0x14000000, 4); | |
57 | i8042_kbd_irq = 1; | |
58 | i8042_aux_irq = 12; | |
59 | } | |
60 | if (!kbd_iobase) | |
61 | return -ENOMEM; | |
62 | ||
63 | return 0; | |
64 | } | |
65 | ||
66 | static inline void i8042_platform_exit(void) | |
67 | { | |
68 | ||
69 | } | |
70 | ||
71 | #endif /* _I8042_SNIRM_H */ |