1 /* $NetBSD: dtvif.h,v 1.4 2018/04/19 21:50:08 christos 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
dtv_print(void * priv,const char * pnp)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