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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
|
#include <linux/types.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/input.h>
#include <linux/proc_fs.h>
#include <asm/bitops.h>
#include "av7110.h"
#include "av7110_hw.h"
#define UP_TIMEOUT (HZ*7/25)
/* enable ir debugging by or'ing debug with 16 */
static int av_cnt;
static struct av7110 *av_list[4];
static struct input_dev *input_dev;
static u8 delay_timer_finished;
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_BACK, 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_VCR
};
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(unsigned long parm)
{
struct av7110 *av7110 = (struct av7110 *) parm;
u32 ir_config = av7110->ir_config;
u32 ircom = av7110->ir_command;
u8 data;
u8 addr;
static u16 old_toggle = 0;
u16 new_toggle;
u16 keycode;
/* extract device address and data */
switch (ir_config & 0x0003) {
case 0: /* RC5: 5 bits device address, 6 bits data */
data = ircom & 0x3f;
addr = (ircom >> 6) & 0x1f;
break;
case 1: /* RCMM: 8(?) bits device address, 8(?) bits data */
data = ircom & 0xff;
addr = (ircom >> 8) & 0xff;
break;
case 2: /* extended RC5: 5 bits device address, 7 bits data */
data = ircom & 0x3f;
addr = (ircom >> 6) & 0x1f;
/* invert 7th data bit for backward compatibility with RC5 keymaps */
if (!(ircom & 0x1000))
data |= 0x40;
break;
default:
printk("invalid ir_config %x\n", ir_config);
return;
}
keycode = key_map[data];
dprintk(16, "code %08x -> addr %i data 0x%02x -> keycode %i\n",
ircom, addr, data, keycode);
/* check device address (if selected) */
if (ir_config & 0x4000)
if (addr != ((ir_config >> 16) & 0xff))
return;
if (!keycode) {
printk ("%s: unknown key 0x%02x!!\n", __FUNCTION__, data);
return;
}
if ((ir_config & 0x0003) == 1)
new_toggle = 0; /* RCMM */
else
new_toggle = (ircom & 0x800); /* RC5, extended RC5 */
if (timer_pending(&keyup_timer)) {
del_timer(&keyup_timer);
if (keyup_timer.data != keycode || new_toggle != old_toggle) {
delay_timer_finished = 0;
input_event(input_dev, EV_KEY, keyup_timer.data, !!0);
input_event(input_dev, EV_KEY, keycode, !0);
} else
if (delay_timer_finished)
input_event(input_dev, EV_KEY, keycode, 2);
} else {
delay_timer_finished = 0;
input_event(input_dev, EV_KEY, keycode, !0);
}
keyup_timer.expires = jiffies + UP_TIMEOUT;
keyup_timer.data = keycode;
add_timer(&keyup_timer);
old_toggle = new_toggle;
}
static void input_register_keys(void)
{
int i;
memset(input_dev->keybit, 0, sizeof(input_dev->keybit));
for (i = 0; i < ARRAY_SIZE(key_map); 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 void input_repeat_key(unsigned long data)
{
/* called by the input driver after rep[REP_DELAY] ms */
delay_timer_finished = 1;
}
static int av7110_setup_irc_config(struct av7110 *av7110, u32 ir_config)
{
int ret = 0;
dprintk(4, "%p\n", av7110);
if (av7110) {
ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, SetIR, 1, ir_config);
av7110->ir_config = ir_config;
}
return ret;
}
static int av7110_ir_write_proc(struct file *file, const char __user *buffer,
unsigned long count, void *data)
{
char *page;
int size = 4 + 256 * sizeof(u16);
u32 ir_config;
int i;
if (count < size)
return -EINVAL;
page = (char *) vmalloc(size);
if (!page)
return -ENOMEM;
if (copy_from_user(page, buffer, size)) {
vfree(page);
return -EFAULT;
}
memcpy(&ir_config, page, 4);
memcpy(&key_map, page + 4, 256 * sizeof(u16));
vfree(page);
if (FW_VERSION(av_list[0]->arm_app) >= 0x2620 && !(ir_config & 0x0001))
ir_config |= 0x0002; /* enable extended RC5 */
for (i = 0; i < av_cnt; i++)
av7110_setup_irc_config(av_list[i], ir_config);
input_register_keys();
return count;
}
static void ir_handler(struct av7110 *av7110, u32 ircom)
{
dprintk(4, "ircommand = %08x\n", ircom);
av7110->ir_command = ircom;
tasklet_schedule(&av7110->ir_tasklet);
}
int __devinit av7110_ir_init(struct av7110 *av7110)
{
static struct proc_dir_entry *e;
if (av_cnt >= sizeof av_list/sizeof av_list[0])
return -ENOSPC;
av7110_setup_irc_config(av7110, 0x0001);
av_list[av_cnt++] = av7110;
if (av_cnt == 1) {
init_timer(&keyup_timer);
keyup_timer.data = 0;
input_dev = input_allocate_device();
if (!input_dev)
return -ENOMEM;
input_dev->name = "DVB on-card IR receiver";
set_bit(EV_KEY, input_dev->evbit);
set_bit(EV_REP, input_dev->evbit);
input_register_keys();
input_register_device(input_dev);
input_dev->timer.function = input_repeat_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);
}
}
tasklet_init(&av7110->ir_tasklet, av7110_emit_key, (unsigned long) av7110);
av7110->ir_handler = ir_handler;
return 0;
}
void __devexit av7110_ir_exit(struct av7110 *av7110)
{
int i;
if (av_cnt == 0)
return;
av7110->ir_handler = NULL;
tasklet_kill(&av7110->ir_tasklet);
for (i = 0; i < av_cnt; i++)
if (av_list[i] == av7110) {
av_list[i] = av_list[av_cnt-1];
av_list[av_cnt-1] = NULL;
break;
}
if (av_cnt == 1) {
del_timer_sync(&keyup_timer);
remove_proc_entry("av7110_ir", NULL);
input_unregister_device(input_dev);
}
av_cnt--;
}
//MODULE_AUTHOR("Holger Waechtler <holger@convergence.de>");
//MODULE_LICENSE("GPL");
|
