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i8042-ppcio.h
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1 #ifndef _I8042_PPCIO_H
2 #define _I8042_PPCIO_H
3 
4 /*
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 as published by
7  * the Free Software Foundation.
8  */
9 
10 #if defined(CONFIG_WALNUT)
11 
12 #define I8042_KBD_IRQ 25
13 #define I8042_AUX_IRQ 26
14 
15 #define I8042_KBD_PHYS_DESC "walnutps2/serio0"
16 #define I8042_AUX_PHYS_DESC "walnutps2/serio1"
17 #define I8042_MUX_PHYS_DESC "walnutps2/serio%d"
18 
19 extern void *kb_cs;
20 extern void *kb_data;
21 
22 #define I8042_COMMAND_REG (*(int *)kb_cs)
23 #define I8042_DATA_REG (*(int *)kb_data)
24 
25 static inline int i8042_read_data(void)
26 {
27  return readb(kb_data);
28 }
29 
30 static inline int i8042_read_status(void)
31 {
32  return readb(kb_cs);
33 }
34 
35 static inline void i8042_write_data(int val)
36 {
37  writeb(val, kb_data);
38 }
39 
40 static inline void i8042_write_command(int val)
41 {
42  writeb(val, kb_cs);
43 }
44 
45 static inline int i8042_platform_init(void)
46 {
47  i8042_reset = 1;
48  return 0;
49 }
50 
51 static inline void i8042_platform_exit(void)
52 {
53 }
54 
55 #else
56 
57 #include "i8042-io.h"
58 
59 #endif
60 
61 #endif /* _I8042_PPCIO_H */