1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
#ifndef _ASM_ARCH_CRIS_IO_H
#define _ASM_ARCH_CRIS_IO_H
#include <asm/arch/hwregs/reg_map.h>
#include <asm/arch/hwregs/reg_rdwr.h>
#include <asm/arch/hwregs/gio_defs.h>
#include <linux/config.h>
enum crisv32_io_dir
{
crisv32_io_dir_in = 0,
crisv32_io_dir_out = 1
};
struct crisv32_ioport
{
unsigned long* oe;
unsigned long* data;
unsigned long* data_in;
unsigned int pin_count;
};
struct crisv32_iopin
{
struct crisv32_ioport* port;
int bit;
};
extern struct crisv32_ioport crisv32_ioports[];
extern struct crisv32_iopin crisv32_led1_green;
extern struct crisv32_iopin crisv32_led1_red;
extern struct crisv32_iopin crisv32_led2_green;
extern struct crisv32_iopin crisv32_led2_red;
extern struct crisv32_iopin crisv32_led3_green;
extern struct crisv32_iopin crisv32_led3_red;
extern inline void crisv32_io_set(struct crisv32_iopin* iopin,
int val)
{
if (val)
*iopin->port->data |= iopin->bit;
else
*iopin->port->data &= ~iopin->bit;
}
extern inline void crisv32_io_set_dir(struct crisv32_iopin* iopin,
enum crisv32_io_dir dir)
{
if (dir == crisv32_io_dir_in)
*iopin->port->oe &= ~iopin->bit;
else
*iopin->port->oe |= iopin->bit;
}
extern inline int crisv32_io_rd(struct crisv32_iopin* iopin)
{
return ((*iopin->port->data_in & iopin->bit) ? 1 : 0);
}
int crisv32_io_get(struct crisv32_iopin* iopin,
unsigned int port, unsigned int pin);
int crisv32_io_get_name(struct crisv32_iopin* iopin,
char* name);
#define LED_OFF 0x00
#define LED_GREEN 0x01
#define LED_RED 0x02
#define LED_ORANGE (LED_GREEN | LED_RED)
#define LED_NETWORK_SET(x) \
do { \
LED_NETWORK_SET_G((x) & LED_GREEN); \
LED_NETWORK_SET_R((x) & LED_RED); \
} while (0)
#define LED_ACTIVE_SET(x) \
do { \
LED_ACTIVE_SET_G((x) & LED_GREEN); \
LED_ACTIVE_SET_R((x) & LED_RED); \
} while (0)
#define LED_NETWORK_SET_G(x) \
crisv32_io_set(&crisv32_led1_green, !(x));
#define LED_NETWORK_SET_R(x) \
crisv32_io_set(&crisv32_led1_red, !(x));
#define LED_ACTIVE_SET_G(x) \
crisv32_io_set(&crisv32_led2_green, !(x));
#define LED_ACTIVE_SET_R(x) \
crisv32_io_set(&crisv32_led2_red, !(x));
#define LED_DISK_WRITE(x) \
do{\
crisv32_io_set(&crisv32_led3_green, !(x)); \
crisv32_io_set(&crisv32_led3_red, !(x)); \
}while(0)
#define LED_DISK_READ(x) \
crisv32_io_set(&crisv32_led3_green, !(x));
#endif
|
