1 | /* $NetBSD: dtvif.h,v 1.3 2011/08/09 01:42:24 jmcneill Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2011 Jared D. McNeill <jmcneill@invisible.ca> |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * 3. All advertising materials mentioning features or use of this software |
16 | * must display the following acknowledgement: |
17 | * This product includes software developed by Jared D. McNeill. |
18 | * 4. Neither the name of The NetBSD Foundation nor the names of its |
19 | * contributors may be used to endorse or promote products derived |
20 | * from this software without specific prior written permission. |
21 | * |
22 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
23 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
24 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
25 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
26 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
28 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
29 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
30 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
31 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
32 | * POSSIBILITY OF SUCH DAMAGE. |
33 | */ |
34 | |
35 | #ifndef _DEV_DTV_DTVIF_H |
36 | #define _DEV_DTV_DTVIF_H |
37 | |
38 | #include <sys/device.h> |
39 | |
40 | #include <dev/dtv/dtvio.h> |
41 | |
42 | #define DTV_DEVICE_FRONTEND 0 |
43 | #define DTV_DEVICE_DEMUX 1 |
44 | #define DTV_DEVICE_DVR 2 |
45 | |
46 | #define DTV_NUM_DEVICES 3 |
47 | |
48 | #define DTVUNIT(x) (minor(x) & 0x0f) |
49 | #define DTVDEV(x) ((minor(x) & 0xf0) >> 4) |
50 | |
51 | #define ISDTVFRONTEND(x) (DTVDEV((x)) == DTV_DEVICE_FRONTEND) |
52 | #define ISDTVDEMUX(x) (DTVDEV((x)) == DTV_DEVICE_DEMUX) |
53 | #define ISDTVDVR(x) (DTVDEV((x)) == DTV_DEVICE_DVR) |
54 | |
55 | struct dtv_payload; |
56 | |
57 | struct dtv_hw_if { |
58 | void (*get_devinfo)(void *, struct dvb_frontend_info *); |
59 | |
60 | int (*open)(void *, int); |
61 | void (*close)(void *); |
62 | int (*set_tuner)(void *, const struct dvb_frontend_parameters *); |
63 | fe_status_t (*get_status)(void *); |
64 | uint16_t (*get_signal_strength)(void *); |
65 | uint16_t (*get_snr)(void *); |
66 | int (*start_transfer)(void *, |
67 | void (*)(void *, const struct dtv_payload *), |
68 | void *); |
69 | int (*stop_transfer)(void *); |
70 | }; |
71 | |
72 | struct dtv_attach_args { |
73 | const struct dtv_hw_if *hw; |
74 | void *priv; |
75 | }; |
76 | |
77 | struct dtv_payload { |
78 | const uint8_t *data; |
79 | size_t size; |
80 | }; |
81 | |
82 | static inline int |
83 | dtv_print(void *priv, const char *pnp) |
84 | { |
85 | if (pnp) |
86 | aprint_normal("dtv at %s" , pnp); |
87 | return UNCONF; |
88 | } |
89 | |
90 | #endif /* !_DEV_DTV_DTVIF_H */ |
91 | |