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1da177e4 LT |
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 | ||
1da177e4 | 43 | struct dvb_frontend_tune_settings { |
afd1a0c9 MCC |
44 | int min_delay_ms; |
45 | int step_size; | |
46 | int max_drift; | |
47 | struct dvb_frontend_parameters parameters; | |
1da177e4 LT |
48 | }; |
49 | ||
50 | struct dvb_frontend; | |
51 | ||
52 | struct 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 | ||
83 | struct 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 | ||
92 | struct dvb_frontend { | |
93 | struct dvb_frontend_ops* ops; | |
94 | struct dvb_adapter *dvb; | |
95 | void* demodulator_priv; | |
96 | void* frontend_priv; | |
97 | }; | |
98 | ||
99 | extern int dvb_register_frontend(struct dvb_adapter* dvb, | |
100 | struct dvb_frontend* fe); | |
101 | ||
102 | extern int dvb_unregister_frontend(struct dvb_frontend* fe); | |
103 | ||
83b75b04 N |
104 | extern void dvb_frontend_sleep_until(struct timeval *waketime, u32 add_usec); |
105 | extern s32 timeval_usec_diff(struct timeval lasttime, struct timeval curtime); | |
106 | ||
1da177e4 | 107 | #endif |