Change the kernel dev_t, representing a pointer to a specinfo structure,
[dragonfly.git] / sys / dev / video / bktr / bktr_core.h
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a35cc233 1/* $FreeBSD: src/sys/dev/bktr/bktr_core.h,v 1.5 2001/09/12 08:37:02 julian Exp $ */
b13267a5 2/* $DragonFly: src/sys/dev/video/bktr/bktr_core.h,v 1.5 2006/09/10 01:26:37 dillon Exp $ */
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3
4/*
5 * This is part of the Driver for Video Capture Cards (Frame grabbers)
6 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
7 * chipset.
8 * Copyright Roger Hardiman and Amancio Hasty.
9 *
10 * bktr_core : This deals with the Bt848/849/878/879 PCI Frame Grabber,
11 * Handles all the open, close, ioctl and read userland calls.
12 * Sets the Bt848 registers and generates RISC pograms.
13 * Controls the i2c bus and GPIO interface.
14 * Contains the interface to the kernel.
15 * (eg probe/attach and open/close/ioctl)
16 *
17 */
18
19/*
20 * 1. Redistributions of source code must retain the
21 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
22 * All rights reserved.
23 *
24 * Redistribution and use in source and binary forms, with or without
25 * modification, are permitted provided that the following conditions
26 * are met:
27 * 1. Redistributions of source code must retain the above copyright
28 * notice, this list of conditions and the following disclaimer.
29 * 2. Redistributions in binary form must reproduce the above copyright
30 * notice, this list of conditions and the following disclaimer in the
31 * documentation and/or other materials provided with the distribution.
32 * 3. All advertising materials mentioning features or use of this software
33 * must display the following acknowledgement:
34 * This product includes software developed by Amancio Hasty and
35 * Roger Hardiman
36 * 4. The name of the author may not be used to endorse or promote products
37 * derived from this software without specific prior written permission.
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
40 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
41 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
42 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
43 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
44 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
45 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
48 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
49 * POSSIBILITY OF SUCH DAMAGE.
50 */
51
52
53int i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 );
54int i2cRead( bktr_ptr_t bktr, int addr );
55
56void msp_dpl_reset( bktr_ptr_t bktr, int i2d_addr );
57unsigned int msp_dpl_read( bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr );
58void msp_dpl_write( bktr_ptr_t bktr, int i2c_addr, unsigned char dev,
59 unsigned int addr, unsigned int data );
60
61
62/*
63 * Defines for userland processes blocked in this driver
64 * For /dev/bktr[n] use memory address of bktr structure
65 * For /dev/vbi[n] use memory address of bktr structure + 1
66 * this is ok as the bktr structure is > 1 byte
67 */
68#define BKTR_SLEEP ((caddr_t)bktr )
69#define VBI_SLEEP ((caddr_t)bktr + 1)
70
71
72/* device name for printf */
73const char *bktr_name(bktr_ptr_t bktr);
74
75/* Prototypes for attatch and interrupt functions */
76void common_bktr_attach( bktr_ptr_t bktr, int unit,
77 u_long pci_id, u_int rev );
78int common_bktr_intr( void *arg );
79
80
81/* Prototypes for open, close, read, mmap and ioctl calls */
82int video_open( bktr_ptr_t bktr );
83int video_close( bktr_ptr_t bktr );
b13267a5 84int video_read( bktr_ptr_t bktr, int unit, cdev_t dev, struct uio *uio );
984263bc 85int video_ioctl( bktr_ptr_t bktr, int unit,
a35cc233 86 ioctl_cmd_t cmd, caddr_t arg, struct thread* pr );
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87
88
89int tuner_open( bktr_ptr_t bktr );
90int tuner_close( bktr_ptr_t bktr );
91int tuner_ioctl( bktr_ptr_t bktr, int unit,
a35cc233 92 ioctl_cmd_t cmd, caddr_t arg, struct thread* pr );
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93
94int vbi_open( bktr_ptr_t bktr );
95int vbi_close( bktr_ptr_t bktr );
96int vbi_read( bktr_ptr_t bktr, struct uio *uio, int ioflag );
97