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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
#include <asm/types.h>
#include <asm/bitops.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/input.h>
#include <linux/proc_fs.h>
#include "av7110.h"
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,45))
#include "input_fake.h"
#endif
#define UP_TIMEOUT (HZ/2)
static int av7110_ir_debug = 0;
#define dprintk(x...) do { if (av7110_ir_debug) printk (x); } while (0)
static struct input_dev input_dev;
static
u16 key_map [256] = {
KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7,
KEY_8, KEY_9, KEY_LAST, 0, KEY_POWER, KEY_MUTE, 0, KEY_INFO,
KEY_VOLUMEUP, KEY_VOLUMEDOWN, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
KEY_CHANNELUP, KEY_CHANNELDOWN, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, KEY_TEXT, 0, 0, KEY_TV, 0, 0, 0, 0, 0, KEY_SETUP, 0, 0,
0, 0, 0, KEY_SUBTITLE, 0, 0, KEY_LANGUAGE, 0,
KEY_RADIO, 0, 0, 0, 0, KEY_EXIT, 0, 0,
KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_OK, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_RED, KEY_GREEN, KEY_YELLOW,
KEY_BLUE, 0, 0, 0, 0, 0, 0, 0, KEY_MENU, KEY_LIST, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, KEY_UP, KEY_UP, KEY_DOWN, KEY_DOWN,
0, 0, 0, 0, KEY_EPG, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_MHP
};
static
void av7110_emit_keyup (unsigned long data)
{
if (!data || !test_bit (data, input_dev.key))
return;
input_event (&input_dev, EV_KEY, data, !!0);
}
static
struct timer_list keyup_timer = { function: av7110_emit_keyup };
static
void av7110_emit_key (u32 ircom)
{
int down = ircom & (0x80000000);
u16 keycode = key_map[ircom & 0xff];
dprintk ("#########%08x######### key %02x %s (keycode %i)\n",
ircom, ircom & 0xff, down ? "pressed" : "released", keycode);
if (!keycode) {
printk ("%s: unknown key 0x%02x!!\n",
__FUNCTION__, ircom & 0xff);
return;
}
if (timer_pending (&keyup_timer)) {
del_timer (&keyup_timer);
if (keyup_timer.data != keycode)
input_event (&input_dev, EV_KEY, keyup_timer.data, !!0);
}
clear_bit (keycode, input_dev.key);
input_event (&input_dev, EV_KEY, keycode, !0);
keyup_timer.expires = jiffies + UP_TIMEOUT;
keyup_timer.data = keycode;
add_timer (&keyup_timer);
}
static
void input_register_keys (void)
{
int i;
memset (input_dev.keybit, 0, sizeof(input_dev.keybit));
for (i=0; i<sizeof(key_map)/sizeof(key_map[0]); i++) {
if (key_map[i] > KEY_MAX)
key_map[i] = 0;
else if (key_map[i] > KEY_RESERVED)
set_bit (key_map[i], input_dev.keybit);
}
}
static
int av7110_ir_write_proc (struct file *file, const char *buffer,
unsigned long count, void *data)
{
u32 ir_config;
if (count < 4 + 256 * sizeof(u16))
return -EINVAL;
memcpy (&ir_config, buffer, 4);
memcpy (&key_map, buffer + 4, 256 * sizeof(u16));
av7110_setup_irc_config (NULL, ir_config);
input_register_keys ();
return count;
}
int __init av7110_ir_init (void)
{
static struct proc_dir_entry *e;
init_timer (&keyup_timer);
keyup_timer.data = 0;
input_dev.name = "DVB on-card IR receiver";
/**
* enable keys
*/
set_bit (EV_KEY, input_dev.evbit);
input_register_keys ();
input_register_device(&input_dev);
av7110_setup_irc_config (NULL, 0x0001);
av7110_register_irc_handler (av7110_emit_key);
e = create_proc_entry ("av7110_ir", S_IFREG | S_IRUGO | S_IWUSR, NULL);
if (e) {
e->write_proc = av7110_ir_write_proc;
e->size = 4 + 256 * sizeof(u16);
}
return 0;
}
void __exit av7110_ir_exit (void)
{
remove_proc_entry ("av7110_ir", NULL);
av7110_unregister_irc_handler (av7110_emit_key);
input_unregister_device(&input_dev);
}
//MODULE_AUTHOR("Holger Waechtler <holger@convergence.de>");
//MODULE_LICENSE("GPL");
MODULE_PARM(av7110_ir_debug,"i");
MODULE_PARM_DESC(av7110_ir_debug, "enable AV7110 IR receiver debug messages");
|
