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
|
/*
* FireDTV driver (formerly known as FireSAT)
*
* Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
* Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se>
*
* 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; either version 2 of
* the License, or (at your option) any later version.
*/
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/types.h>
#include <dvb_frontend.h>
#include "avc.h"
#include "cmp.h"
#include "firedtv.h"
static int fdtv_dvb_init(struct dvb_frontend *fe)
{
struct firedtv *fdtv = fe->sec_priv;
int err;
/* FIXME - allocate free channel at IRM */
fdtv->isochannel = fdtv->adapter.num;
err = cmp_establish_pp_connection(fdtv, fdtv->subunit,
fdtv->isochannel);
if (err) {
printk(KERN_ERR "Could not establish point to point "
"connection.\n");
return err;
}
return setup_iso_channel(fdtv);
}
static int fdtv_sleep(struct dvb_frontend *fe)
{
struct firedtv *fdtv = fe->sec_priv;
tear_down_iso_channel(fdtv);
cmp_break_pp_connection(fdtv, fdtv->subunit, fdtv->isochannel);
fdtv->isochannel = -1;
return 0;
}
static int fdtv_diseqc_send_master_cmd(struct dvb_frontend *fe,
struct dvb_diseqc_master_cmd *cmd)
{
struct firedtv *fdtv = fe->sec_priv;
return avc_lnb_control(fdtv, LNBCONTROL_DONTCARE,
LNBCONTROL_DONTCARE, LNBCONTROL_DONTCARE, 1, cmd);
}
static int fdtv_diseqc_send_burst(struct dvb_frontend *fe,
fe_sec_mini_cmd_t minicmd)
{
return 0;
}
static int fdtv_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
{
struct firedtv *fdtv = fe->sec_priv;
fdtv->tone = tone;
return 0;
}
static int fdtv_set_voltage(struct dvb_frontend *fe,
fe_sec_voltage_t voltage)
{
struct firedtv *fdtv = fe->sec_priv;
fdtv->voltage = voltage;
return 0;
}
static int fdtv_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
struct firedtv *fdtv = fe->sec_priv;
ANTENNA_INPUT_INFO info;
if (avc_tuner_status(fdtv, &info))
return -EINVAL;
if (info.NoRF)
*status = 0;
else
*status = FE_HAS_SIGNAL | FE_HAS_VITERBI | FE_HAS_SYNC |
FE_HAS_CARRIER | FE_HAS_LOCK;
return 0;
}
static int fdtv_read_ber(struct dvb_frontend *fe, u32 *ber)
{
struct firedtv *fdtv = fe->sec_priv;
ANTENNA_INPUT_INFO info;
if (avc_tuner_status(fdtv, &info))
return -EINVAL;
*ber = info.BER[0] << 24 | info.BER[1] << 16 |
info.BER[2] << 8 | info.BER[3];
return 0;
}
static int fdtv_read_signal_strength (struct dvb_frontend *fe, u16 *strength)
{
struct firedtv *fdtv = fe->sec_priv;
ANTENNA_INPUT_INFO info;
if (avc_tuner_status(fdtv, &info))
return -EINVAL;
*strength = info.SignalStrength << 8;
return 0;
}
static int fdtv_read_snr(struct dvb_frontend *fe, u16 *snr)
{
struct firedtv *fdtv = fe->sec_priv;
ANTENNA_INPUT_INFO info;
if (avc_tuner_status(fdtv, &info))
return -EINVAL;
/* C/N[dB] = -10 * log10(snr / 65535) */
*snr = (info.CarrierNoiseRatio[0] << 8) + info.CarrierNoiseRatio[1];
*snr *= 257;
return 0;
}
static int fdtv_read_uncorrected_blocks(struct dvb_frontend *fe, u32 *ucblocks)
{
return -EOPNOTSUPP;
}
static int fdtv_set_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params)
{
struct firedtv *fdtv = fe->sec_priv;
/* FIXME: avc_tuner_dsd never returns ACCEPTED. Check status? */
if (avc_tuner_dsd(fdtv, params) != ACCEPTED)
return -EINVAL;
else
return 0; /* not sure of this... */
}
static int fdtv_get_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *params)
{
return -EOPNOTSUPP;
}
void fdtv_frontend_init(struct firedtv *fdtv)
{
struct dvb_frontend_ops *ops = &fdtv->fe.ops;
struct dvb_frontend_info *fi = &ops->info;
ops->init = fdtv_dvb_init;
ops->sleep = fdtv_sleep;
ops->set_frontend = fdtv_set_frontend;
ops->get_frontend = fdtv_get_frontend;
ops->read_status = fdtv_read_status;
ops->read_ber = fdtv_read_ber;
ops->read_signal_strength = fdtv_read_signal_strength;
ops->read_snr = fdtv_read_snr;
ops->read_ucblocks = fdtv_read_uncorrected_blocks;
ops->diseqc_send_master_cmd = fdtv_diseqc_send_master_cmd;
ops->diseqc_send_burst = fdtv_diseqc_send_burst;
ops->set_tone = fdtv_set_tone;
ops->set_voltage = fdtv_set_voltage;
switch (fdtv->type) {
case FIREDTV_DVB_S:
fi->type = FE_QPSK;
fi->frequency_min = 950000;
fi->frequency_max = 2150000;
fi->frequency_stepsize = 125;
fi->symbol_rate_min = 1000000;
fi->symbol_rate_max = 40000000;
fi->caps = FE_CAN_INVERSION_AUTO |
FE_CAN_FEC_1_2 |
FE_CAN_FEC_2_3 |
FE_CAN_FEC_3_4 |
FE_CAN_FEC_5_6 |
FE_CAN_FEC_7_8 |
FE_CAN_FEC_AUTO |
FE_CAN_QPSK;
break;
case FIREDTV_DVB_C:
fi->type = FE_QAM;
fi->frequency_min = 47000000;
fi->frequency_max = 866000000;
fi->frequency_stepsize = 62500;
fi->symbol_rate_min = 870000;
fi->symbol_rate_max = 6900000;
fi->caps = FE_CAN_INVERSION_AUTO |
FE_CAN_QAM_16 |
FE_CAN_QAM_32 |
FE_CAN_QAM_64 |
FE_CAN_QAM_128 |
FE_CAN_QAM_256 |
FE_CAN_QAM_AUTO;
break;
case FIREDTV_DVB_T:
fi->type = FE_OFDM;
fi->frequency_min = 49000000;
fi->frequency_max = 861000000;
fi->frequency_stepsize = 62500;
fi->caps = FE_CAN_INVERSION_AUTO |
FE_CAN_FEC_2_3 |
FE_CAN_TRANSMISSION_MODE_AUTO |
FE_CAN_GUARD_INTERVAL_AUTO |
FE_CAN_HIERARCHY_AUTO;
break;
default:
printk(KERN_ERR "FireDTV: no frontend for model type %d\n",
fdtv->type);
}
strcpy(fi->name, fdtv_model_names[fdtv->type]);
fdtv->fe.dvb = &fdtv->adapter;
fdtv->fe.sec_priv = fdtv;
}
|
