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
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
|
/* DVB USB compliant linux driver for Nebula Electronics uDigiTV DVB-T USB2.0
* receiver
*
* Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@posteo.de)
*
* partly based on the SDK published by Nebula Electronics
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, version 2.
*
* see Documentation/dvb/README.dvb-usb for more information
*/
#include "digitv.h"
#include "mt352.h"
#include "nxt6000.h"
/* debug */
static int dvb_usb_digitv_debug;
module_param_named(debug,dvb_usb_digitv_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
#define deb_rc(args...) dprintk(dvb_usb_digitv_debug,0x01,args)
static int digitv_ctrl_msg(struct dvb_usb_device *d,
u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
{
struct digitv_state *st = d->priv;
int ret, wo;
wo = (rbuf == NULL || rlen == 0); /* write-only */
memset(st->sndbuf, 0, 7);
memset(st->rcvbuf, 0, 7);
st->sndbuf[0] = cmd;
st->sndbuf[1] = vv;
st->sndbuf[2] = wo ? wlen : rlen;
if (wo) {
memcpy(&st->sndbuf[3], wbuf, wlen);
ret = dvb_usb_generic_write(d, st->sndbuf, 7);
} else {
ret = dvb_usb_generic_rw(d, st->sndbuf, 7, st->rcvbuf, 7, 10);
memcpy(rbuf, &st->rcvbuf[3], rlen);
}
return ret;
}
/* I2C */
static int digitv_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
{
struct dvb_usb_device *d = i2c_get_adapdata(adap);
int i;
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
if (num > 2)
warn("more than 2 i2c messages at a time is not handled yet. TODO.");
for (i = 0; i < num; i++) {
/* write/read request */
if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
if (digitv_ctrl_msg(d, USB_READ_COFDM, msg[i].buf[0], NULL, 0,
msg[i+1].buf,msg[i+1].len) < 0)
break;
i++;
} else
if (digitv_ctrl_msg(d,USB_WRITE_COFDM, msg[i].buf[0],
&msg[i].buf[1],msg[i].len-1,NULL,0) < 0)
break;
}
mutex_unlock(&d->i2c_mutex);
return i;
}
static u32 digitv_i2c_func(struct i2c_adapter *adapter)
{
return I2C_FUNC_I2C;
}
static struct i2c_algorithm digitv_i2c_algo = {
.master_xfer = digitv_i2c_xfer,
.functionality = digitv_i2c_func,
};
/* Callbacks for DVB USB */
static int digitv_identify_state (struct usb_device *udev, struct
dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
int *cold)
{
*cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
return 0;
}
static int digitv_mt352_demod_init(struct dvb_frontend *fe)
{
static u8 reset_buf[] = { 0x89, 0x38, 0x8a, 0x2d, 0x50, 0x80 };
static u8 init_buf[] = { 0x68, 0xa0, 0x8e, 0x40, 0x53, 0x50,
0x67, 0x20, 0x7d, 0x01, 0x7c, 0x00, 0x7a, 0x00,
0x79, 0x20, 0x57, 0x05, 0x56, 0x31, 0x88, 0x0f,
0x75, 0x32 };
int i;
for (i = 0; i < ARRAY_SIZE(reset_buf); i += 2)
mt352_write(fe, &reset_buf[i], 2);
msleep(1);
for (i = 0; i < ARRAY_SIZE(init_buf); i += 2)
mt352_write(fe, &init_buf[i], 2);
return 0;
}
static struct mt352_config digitv_mt352_config = {
.demod_init = digitv_mt352_demod_init,
};
static int digitv_nxt6000_tuner_set_params(struct dvb_frontend *fe)
{
struct dvb_usb_adapter *adap = fe->dvb->priv;
u8 b[5];
fe->ops.tuner_ops.calc_regs(fe, b, sizeof(b));
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
return digitv_ctrl_msg(adap->dev, USB_WRITE_TUNER, 0, &b[1], 4, NULL, 0);
}
static struct nxt6000_config digitv_nxt6000_config = {
.clock_inversion = 1,
};
static int digitv_frontend_attach(struct dvb_usb_adapter *adap)
{
struct digitv_state *st = adap->dev->priv;
adap->fe_adap[0].fe = dvb_attach(mt352_attach, &digitv_mt352_config,
&adap->dev->i2c_adap);
if ((adap->fe_adap[0].fe) != NULL) {
st->is_nxt6000 = 0;
return 0;
}
adap->fe_adap[0].fe = dvb_attach(nxt6000_attach,
&digitv_nxt6000_config,
&adap->dev->i2c_adap);
if ((adap->fe_adap[0].fe) != NULL) {
st->is_nxt6000 = 1;
return 0;
}
return -EIO;
}
static int digitv_tuner_attach(struct dvb_usb_adapter *adap)
{
struct digitv_state *st = adap->dev->priv;
if (!dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x60, NULL, DVB_PLL_TDED4))
return -ENODEV;
if (st->is_nxt6000)
adap->fe_adap[0].fe->ops.tuner_ops.set_params = digitv_nxt6000_tuner_set_params;
return 0;
}
static struct rc_map_table rc_map_digitv_table[] = {
{ 0x5f55, KEY_0 },
{ 0x6f55, KEY_1 },
{ 0x9f55, KEY_2 },
{ 0xaf55, KEY_3 },
{ 0x5f56, KEY_4 },
{ 0x6f56, KEY_5 },
{ 0x9f56, KEY_6 },
{ 0xaf56, KEY_7 },
{ 0x5f59, KEY_8 },
{ 0x6f59, KEY_9 },
{ 0x9f59, KEY_TV },
{ 0xaf59, KEY_AUX },
{ 0x5f5a, KEY_DVD },
{ 0x6f5a, KEY_POWER },
{ 0x9f5a, KEY_CAMERA }, /* labelled 'Picture' */
{ 0xaf5a, KEY_AUDIO },
{ 0x5f65, KEY_INFO },
{ 0x6f65, KEY_F13 }, /* 16:9 */
{ 0x9f65, KEY_F14 }, /* 14:9 */
{ 0xaf65, KEY_EPG },
{ 0x5f66, KEY_EXIT },
{ 0x6f66, KEY_MENU },
{ 0x9f66, KEY_UP },
{ 0xaf66, KEY_DOWN },
{ 0x5f69, KEY_LEFT },
{ 0x6f69, KEY_RIGHT },
{ 0x9f69, KEY_ENTER },
{ 0xaf69, KEY_CHANNELUP },
{ 0x5f6a, KEY_CHANNELDOWN },
{ 0x6f6a, KEY_VOLUMEUP },
{ 0x9f6a, KEY_VOLUMEDOWN },
{ 0xaf6a, KEY_RED },
{ 0x5f95, KEY_GREEN },
{ 0x6f95, KEY_YELLOW },
{ 0x9f95, KEY_BLUE },
{ 0xaf95, KEY_SUBTITLE },
{ 0x5f96, KEY_F15 }, /* AD */
{ 0x6f96, KEY_TEXT },
{ 0x9f96, KEY_MUTE },
{ 0xaf96, KEY_REWIND },
{ 0x5f99, KEY_STOP },
{ 0x6f99, KEY_PLAY },
{ 0x9f99, KEY_FASTFORWARD },
{ 0xaf99, KEY_F16 }, /* chapter */
{ 0x5f9a, KEY_PAUSE },
{ 0x6f9a, KEY_PLAY },
{ 0x9f9a, KEY_RECORD },
{ 0xaf9a, KEY_F17 }, /* picture in picture */
{ 0x5fa5, KEY_KPPLUS }, /* zoom in */
{ 0x6fa5, KEY_KPMINUS }, /* zoom out */
{ 0x9fa5, KEY_F18 }, /* capture */
{ 0xafa5, KEY_F19 }, /* web */
{ 0x5fa6, KEY_EMAIL },
{ 0x6fa6, KEY_PHONE },
{ 0x9fa6, KEY_PC },
};
static int digitv_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
{
int i;
u8 key[5];
u8 b[4] = { 0 };
*event = 0;
*state = REMOTE_NO_KEY_PRESSED;
digitv_ctrl_msg(d,USB_READ_REMOTE,0,NULL,0,&key[1],4);
/* Tell the device we've read the remote. Not sure how necessary
this is, but the Nebula SDK does it. */
digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
/* if something is inside the buffer, simulate key press */
if (key[1] != 0)
{
for (i = 0; i < d->props.rc.legacy.rc_map_size; i++) {
if (rc5_custom(&d->props.rc.legacy.rc_map_table[i]) == key[1] &&
rc5_data(&d->props.rc.legacy.rc_map_table[i]) == key[2]) {
*event = d->props.rc.legacy.rc_map_table[i].keycode;
*state = REMOTE_KEY_PRESSED;
return 0;
}
}
}
if (key[0] != 0)
deb_rc("key: %*ph\n", 5, key);
return 0;
}
/* DVB USB Driver stuff */
static struct dvb_usb_device_properties digitv_properties;
static int digitv_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct dvb_usb_device *d;
int ret = dvb_usb_device_init(intf, &digitv_properties, THIS_MODULE, &d,
adapter_nr);
if (ret == 0) {
u8 b[4] = { 0 };
if (d != NULL) { /* do that only when the firmware is loaded */
b[0] = 1;
digitv_ctrl_msg(d,USB_WRITE_REMOTE_TYPE,0,b,4,NULL,0);
b[0] = 0;
digitv_ctrl_msg(d,USB_WRITE_REMOTE,0,b,4,NULL,0);
}
}
return ret;
}
static struct usb_device_id digitv_table [] = {
{ USB_DEVICE(USB_VID_ANCHOR, USB_PID_NEBULA_DIGITV) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE (usb, digitv_table);
static struct dvb_usb_device_properties digitv_properties = {
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
.usb_ctrl = CYPRESS_FX2,
.firmware = "dvb-usb-digitv-02.fw",
.size_of_priv = sizeof(struct digitv_state),
.num_adapters = 1,
.adapter = {
{
.num_frontends = 1,
.fe = {{
.frontend_attach = digitv_frontend_attach,
.tuner_attach = digitv_tuner_attach,
/* parameter for the MPEG2-data transfer */
.stream = {
.type = USB_BULK,
.count = 7,
.endpoint = 0x02,
.u = {
.bulk = {
.buffersize = 4096,
}
}
},
}},
}
},
.identify_state = digitv_identify_state,
.rc.legacy = {
.rc_interval = 1000,
.rc_map_table = rc_map_digitv_table,
.rc_map_size = ARRAY_SIZE(rc_map_digitv_table),
.rc_query = digitv_rc_query,
},
.i2c_algo = &digitv_i2c_algo,
.generic_bulk_ctrl_endpoint = 0x01,
.num_device_descs = 1,
.devices = {
{ "Nebula Electronics uDigiTV DVB-T USB2.0)",
{ &digitv_table[0], NULL },
{ NULL },
},
{ NULL },
}
};
static struct usb_driver digitv_driver = {
.name = "dvb_usb_digitv",
.probe = digitv_probe,
.disconnect = dvb_usb_device_exit,
.id_table = digitv_table,
};
module_usb_driver(digitv_driver);
MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
MODULE_DESCRIPTION("Driver for Nebula Electronics uDigiTV DVB-T USB2.0");
MODULE_VERSION("1.0-alpha");
MODULE_LICENSE("GPL");
|
