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
|
/*
* dvb_frontend.h
*
* Copyright (C) 2001 convergence integrated media GmbH
* Copyright (C) 2004 convergence GmbH
*
* Written by Ralph Metzler
* Overhauled by Holger Waechtler
* Kernel I2C stuff by Michael Hunold <hunold@convergence.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef _DVB_FRONTEND_H_
#define _DVB_FRONTEND_H_
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/ioctl.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/mutex.h>
#include <linux/dvb/frontend.h>
#include "dvbdev.h"
struct dvb_frontend_tune_settings {
int min_delay_ms;
int step_size;
int max_drift;
struct dvb_frontend_parameters parameters;
};
struct dvb_frontend;
struct dvb_tuner_info {
char name[128];
u32 frequency_min;
u32 frequency_max;
u32 frequency_step;
u32 bandwidth_min;
u32 bandwidth_max;
u32 bandwidth_step;
};
struct analog_parameters {
unsigned int frequency;
unsigned int mode;
unsigned int audmode;
u64 std;
};
struct dvb_tuner_ops {
struct dvb_tuner_info info;
int (*release)(struct dvb_frontend *fe);
int (*init)(struct dvb_frontend *fe);
int (*sleep)(struct dvb_frontend *fe);
/** This is for simple PLLs - set all parameters in one go. */
int (*set_params)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
int (*set_analog_params)(struct dvb_frontend *fe, struct analog_parameters *p);
/** This is support for demods like the mt352 - fills out the supplied buffer with what to write. */
int (*calc_regs)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p, u8 *buf, int buf_len);
/** This is to allow setting tuner-specific configs */
int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency);
int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
#define TUNER_STATUS_LOCKED 1
#define TUNER_STATUS_STEREO 2
int (*get_status)(struct dvb_frontend *fe, u32 *status);
int (*get_rf_strength)(struct dvb_frontend *fe, u16 *strength);
/** These are provided seperately from set_params in order to facilitate silicon
* tuners which require sophisticated tuning loops, controlling each parameter seperately. */
int (*set_frequency)(struct dvb_frontend *fe, u32 frequency);
int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
};
struct analog_demod_info {
char *name;
};
struct analog_demod_ops {
struct analog_demod_info info;
void (*set_params)(struct dvb_frontend *fe,
struct analog_parameters *params);
int (*has_signal)(struct dvb_frontend *fe);
int (*is_stereo)(struct dvb_frontend *fe);
int (*get_afc)(struct dvb_frontend *fe);
void (*tuner_status)(struct dvb_frontend *fe);
void (*standby)(struct dvb_frontend *fe);
void (*release)(struct dvb_frontend *fe);
int (*i2c_gate_ctrl)(struct dvb_frontend *fe, int enable);
/** This is to allow setting tuner-specific configuration */
int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
};
struct dvb_frontend_ops {
struct dvb_frontend_info info;
void (*release)(struct dvb_frontend* fe);
void (*release_sec)(struct dvb_frontend* fe);
int (*init)(struct dvb_frontend* fe);
int (*sleep)(struct dvb_frontend* fe);
int (*write)(struct dvb_frontend* fe, u8* buf, int len);
/* if this is set, it overrides the default swzigzag */
int (*tune)(struct dvb_frontend* fe,
struct dvb_frontend_parameters* params,
unsigned int mode_flags,
unsigned int *delay,
fe_status_t *status);
/* get frontend tuning algorithm from the module */
int (*get_frontend_algo)(struct dvb_frontend *fe);
/* these two are only used for the swzigzag code */
int (*set_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings);
int (*get_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
int (*read_status)(struct dvb_frontend* fe, fe_status_t* status);
int (*read_ber)(struct dvb_frontend* fe, u32* ber);
int (*read_signal_strength)(struct dvb_frontend* fe, u16* strength);
int (*read_snr)(struct dvb_frontend* fe, u16* snr);
int (*read_ucblocks)(struct dvb_frontend* fe, u32* ucblocks);
int (*diseqc_reset_overload)(struct dvb_frontend* fe);
int (*diseqc_send_master_cmd)(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd);
int (*diseqc_recv_slave_reply)(struct dvb_frontend* fe, struct dvb_diseqc_slave_reply* reply);
int (*diseqc_send_burst)(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd);
int (*set_tone)(struct dvb_frontend* fe, fe_sec_tone_mode_t tone);
int (*set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, long arg);
int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd);
int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable);
int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire);
struct dvb_tuner_ops tuner_ops;
struct analog_demod_ops analog_ops;
};
#define MAX_EVENT 8
struct dvb_fe_events {
struct dvb_frontend_event events[MAX_EVENT];
int eventw;
int eventr;
int overflow;
wait_queue_head_t wait_queue;
struct mutex mtx;
};
struct dvb_frontend {
struct dvb_frontend_ops ops;
struct dvb_adapter *dvb;
void *demodulator_priv;
void *tuner_priv;
void *frontend_priv;
void *sec_priv;
void *analog_demod_priv;
};
extern int dvb_register_frontend(struct dvb_adapter *dvb,
struct dvb_frontend *fe);
extern int dvb_unregister_frontend(struct dvb_frontend *fe);
extern void dvb_frontend_detach(struct dvb_frontend *fe);
extern void dvb_frontend_reinitialise(struct dvb_frontend *fe);
extern void dvb_frontend_sleep_until(struct timeval *waketime, u32 add_usec);
extern s32 timeval_usec_diff(struct timeval lasttime, struct timeval curtime);
#endif
|
