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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/*
2 * dvb_frontend.h
3 *
4 * Copyright (C) 2001 convergence integrated media GmbH
5 * Copyright (C) 2004 convergence GmbH
6 *
7 * Written by Ralph Metzler
8 * Overhauled by Holger Waechtler
9 * Kernel I2C stuff by Michael Hunold <hunold@convergence.de>
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public License
13 * as published by the Free Software Foundation; either version 2.1
14 * of the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21
22 * You should have received a copy of the GNU Lesser General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 *
26 */
27
28#ifndef _DVB_FRONTEND_H_
29#define _DVB_FRONTEND_H_
30
31#include <linux/types.h>
32#include <linux/sched.h>
33#include <linux/ioctl.h>
34#include <linux/i2c.h>
35#include <linux/module.h>
36#include <linux/errno.h>
37#include <linux/delay.h>
38
39#include <linux/dvb/frontend.h>
40
41#include "dvbdev.h"
42
43struct dvb_frontend_tune_settings {
44 int min_delay_ms;
45 int step_size;
46 int max_drift;
47 struct dvb_frontend_parameters parameters;
48};
49
50struct dvb_frontend;
51
52struct dvb_frontend_ops {
53
54 struct dvb_frontend_info info;
55
56 void (*release)(struct dvb_frontend* fe);
57
58 int (*init)(struct dvb_frontend* fe);
59 int (*sleep)(struct dvb_frontend* fe);
60
61 int (*set_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
62 int (*get_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
63 int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings);
64
65 int (*read_status)(struct dvb_frontend* fe, fe_status_t* status);
66 int (*read_ber)(struct dvb_frontend* fe, u32* ber);
67 int (*read_signal_strength)(struct dvb_frontend* fe, u16* strength);
68 int (*read_snr)(struct dvb_frontend* fe, u16* snr);
69 int (*read_ucblocks)(struct dvb_frontend* fe, u32* ucblocks);
70
71 int (*diseqc_reset_overload)(struct dvb_frontend* fe);
72 int (*diseqc_send_master_cmd)(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd);
73 int (*diseqc_recv_slave_reply)(struct dvb_frontend* fe, struct dvb_diseqc_slave_reply* reply);
74 int (*diseqc_send_burst)(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd);
75 int (*set_tone)(struct dvb_frontend* fe, fe_sec_tone_mode_t tone);
76 int (*set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
77 int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, int arg);
78 int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned int cmd);
79};
80
81#define MAX_EVENT 8
82
83struct dvb_fe_events {
84 struct dvb_frontend_event events[MAX_EVENT];
85 int eventw;
86 int eventr;
87 int overflow;
88 wait_queue_head_t wait_queue;
89 struct semaphore sem;
90};
91
92struct dvb_frontend {
93 struct dvb_frontend_ops* ops;
94 struct dvb_adapter *dvb;
95 void* demodulator_priv;
96 void* frontend_priv;
97};
98
99extern int dvb_register_frontend(struct dvb_adapter* dvb,
100 struct dvb_frontend* fe);
101
102extern int dvb_unregister_frontend(struct dvb_frontend* fe);
103
104#endif