Annotation of sys/dev/pci/bktr/bktr_core.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: bktr_core.h,v 1.3 2004/06/29 12:24:57 mickey Exp $ */
2: /* $FreeBSD: src/sys/dev/bktr/bktr_core.h,v 1.4 2000/06/26 09:41:32 roger Exp $ */
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:
53: int i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 );
54: int i2cRead( bktr_ptr_t bktr, int addr );
55:
56: void msp_dpl_reset( bktr_ptr_t bktr, int i2d_addr );
57: unsigned int msp_dpl_read( bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr );
58: void 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 */
73: const char *bktr_name(bktr_ptr_t bktr);
74:
75: /* Prototypes for attatch and interrupt functions */
76: void common_bktr_attach( bktr_ptr_t bktr, int unit,
77: u_int pci_id, u_int rev );
78: int common_bktr_intr( void *arg );
79:
80:
81: /* Prototypes for open, close, read, mmap and ioctl calls */
82: int video_open( bktr_ptr_t bktr );
83: int video_close( bktr_ptr_t bktr );
84: int video_read( bktr_ptr_t bktr, int unit, dev_t dev, struct uio *uio );
85: int video_ioctl( bktr_ptr_t bktr, int unit,
86: ioctl_cmd_t cmd, caddr_t arg, struct proc* pr );
87:
88:
89: int tuner_open( bktr_ptr_t bktr );
90: int tuner_close( bktr_ptr_t bktr );
91: int tuner_ioctl( bktr_ptr_t bktr, int unit,
92: ioctl_cmd_t cmd, caddr_t arg, struct proc* pr );
93:
94: int vbi_open( bktr_ptr_t bktr );
95: int vbi_close( bktr_ptr_t bktr );
96: int vbi_read( bktr_ptr_t bktr, struct uio *uio, int ioflag );
97:
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