1 /* $NetBSD: bktr_core.h,v 1.3 2000/07/01 01:39:01 wiz Exp $ */ 2 3 /* FreeBSD: src/sys/dev/bktr/bktr_core.h,v 1.4 2000/06/26 09:41:32 roger Exp */ 4 5 /* 6 * This is part of the Driver for Video Capture Cards (Frame grabbers) 7 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 8 * chipset. 9 * Copyright Roger Hardiman and Amancio Hasty. 10 * 11 * bktr_core : This deals with the Bt848/849/878/879 PCI Frame Grabber, 12 * Handles all the open, close, ioctl and read userland calls. 13 * Sets the Bt848 registers and generates RISC pograms. 14 * Controls the i2c bus and GPIO interface. 15 * Contains the interface to the kernel. 16 * (eg probe/attach and open/close/ioctl) 17 * 18 */ 19 20 /* 21 * 1. Redistributions of source code must retain the 22 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman 23 * All rights reserved. 24 * 25 * Redistribution and use in source and binary forms, with or without 26 * modification, are permitted provided that the following conditions 27 * are met: 28 * 1. Redistributions of source code must retain the above copyright 29 * notice, this list of conditions and the following disclaimer. 30 * 2. Redistributions in binary form must reproduce the above copyright 31 * notice, this list of conditions and the following disclaimer in the 32 * documentation and/or other materials provided with the distribution. 33 * 3. All advertising materials mentioning features or use of this software 34 * must display the following acknowledgement: 35 * This product includes software developed by Amancio Hasty and 36 * Roger Hardiman 37 * 4. The name of the author may not be used to endorse or promote products 38 * derived from this software without specific prior written permission. 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 41 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 42 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 43 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 44 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 45 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 46 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 49 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 50 * POSSIBILITY OF SUCH DAMAGE. 51 */ 52 53 54 int i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 ); 55 int i2cRead( bktr_ptr_t bktr, int addr ); 56 57 void msp_dpl_reset( bktr_ptr_t bktr, int i2d_addr ); 58 unsigned int msp_dpl_read( bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr ); 59 void msp_dpl_write( bktr_ptr_t bktr, int i2c_addr, unsigned char dev, 60 unsigned int addr, unsigned int data ); 61 62 63 /* 64 * Defines for userland processes blocked in this driver 65 * For /dev/bktr[n] use memory address of bktr structure 66 * For /dev/vbi[n] use memory address of bktr structure + 1 67 * this is ok as the bktr structure is > 1 byte 68 */ 69 #define BKTR_SLEEP ((caddr_t)bktr ) 70 #define VBI_SLEEP ((caddr_t)bktr + 1) 71 72 73 /* device name for printf */ 74 const char *bktr_name(bktr_ptr_t bktr); 75 76 /* Prototypes for attatch and interrupt functions */ 77 void common_bktr_attach( bktr_ptr_t bktr, int unit, 78 u_long pci_id, u_int rev ); 79 int common_bktr_intr( void *arg ); 80 81 82 /* Prototypes for open, close, read, mmap and ioctl calls */ 83 int video_open( bktr_ptr_t bktr ); 84 int video_close( bktr_ptr_t bktr ); 85 int video_read( bktr_ptr_t bktr, int unit, dev_t dev, struct uio *uio ); 86 int video_ioctl( bktr_ptr_t bktr, int unit, 87 ioctl_cmd_t cmd, caddr_t arg, struct proc* pr ); 88 89 90 int tuner_open( bktr_ptr_t bktr ); 91 int tuner_close( bktr_ptr_t bktr ); 92 int tuner_ioctl( bktr_ptr_t bktr, int unit, 93 ioctl_cmd_t cmd, caddr_t arg, struct proc* pr ); 94 95 int vbi_open( bktr_ptr_t bktr ); 96 int vbi_close( bktr_ptr_t bktr ); 97 int vbi_read( bktr_ptr_t bktr, struct uio *uio, int ioflag ); 98 99