GNU Linux-libre 4.14.266-gnu1
[releases.git] / drivers / input / serio / i8042-snirm.h
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 */