| 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 | |