1 /* $SourceForge: bktr_core.h,v 1.3 2003/03/11 23:11:23 thomasklausner Exp $ */ 2 3 /* $NetBSD: bktr_core.h,v 1.10 2008/01/16 13:08:55 jmcneill Exp $ */ 4 /* $FreeBSD: src/sys/dev/bktr/bktr_core.h,v 1.4 2000/06/26 09:41:32 roger Exp$ */ 5 6 /* 7 * This is part of the Driver for Video Capture Cards (Frame grabbers) 8 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 9 * chipset. 10 * Copyright Roger Hardiman and Amancio Hasty. 11 * 12 * bktr_core : This deals with the Bt848/849/878/879 PCI Frame Grabber, 13 * Handles all the open, close, ioctl and read userland calls. 14 * Sets the Bt848 registers and generates RISC pograms. 15 * Controls the i2c bus and GPIO interface. 16 * Contains the interface to the kernel. 17 * (eg probe/attach and open/close/ioctl) 18 * 19 */ 20 21 /* 22 * 1. Redistributions of source code must retain the 23 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman 24 * All rights reserved. 25 * 26 * Redistribution and use in source and binary forms, with or without 27 * modification, are permitted provided that the following conditions 28 * are met: 29 * 1. Redistributions of source code must retain the above copyright 30 * notice, this list of conditions and the following disclaimer. 31 * 2. Redistributions in binary form must reproduce the above copyright 32 * notice, this list of conditions and the following disclaimer in the 33 * documentation and/or other materials provided with the distribution. 34 * 3. All advertising materials mentioning features or use of this software 35 * must display the following acknowledgement: 36 * This product includes software developed by Amancio Hasty and 37 * Roger Hardiman 38 * 4. The name of the author may not be used to endorse or promote products 39 * derived from this software without specific prior written permission. 40 * 41 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 42 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 43 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 44 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 45 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 46 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 47 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 50 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 51 * POSSIBILITY OF SUCH DAMAGE. 52 */ 53 54 55 int i2cWrite(bktr_ptr_t bktr, int addr, int byte1, int byte2); 56 int i2cRead(bktr_ptr_t bktr, int addr); 57 58 void msp_dpl_reset(bktr_ptr_t bktr, int i2d_addr); 59 unsigned int msp_dpl_read(bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr); 60 void msp_dpl_write(bktr_ptr_t bktr, int i2c_addr, unsigned char dev, 61 unsigned int addr, unsigned int data); 62 63 64 /* 65 * Defines for userland processes blocked in this driver 66 * For /dev/bktr[n] use memory address of bktr structure 67 * For /dev/vbi[n] use memory address of bktr structure + 1 68 * this is ok as the bktr structure is > 1 byte 69 */ 70 #define BKTR_SLEEP ((void *)bktr) 71 #define VBI_SLEEP ((char *)bktr + 1) 72 73 74 /* device name for printf */ 75 const char *bktr_name(bktr_ptr_t bktr); 76 77 /* Prototypes for attatch and interrupt functions */ 78 int common_bktr_attach(bktr_ptr_t bktr, int unit, 79 u_int pci_id, u_int rev); 80 int common_bktr_intr(void *arg); 81 82 83 /* Prototypes for open, close, read, mmap and ioctl calls */ 84 int video_open(bktr_ptr_t bktr); 85 int video_close(bktr_ptr_t bktr); 86 int video_read(bktr_ptr_t bktr, int unit, dev_t dev, struct uio *uio); 87 int video_ioctl(bktr_ptr_t bktr, int unit, 88 ioctl_cmd_t cmd, void *arg, struct lwp* pr); 89 90 91 int tuner_open(bktr_ptr_t bktr); 92 int tuner_close(bktr_ptr_t bktr); 93 int tuner_ioctl(bktr_ptr_t bktr, int unit, 94 ioctl_cmd_t cmd, void *arg, struct lwp* pr); 95 96 int vbi_open(bktr_ptr_t bktr); 97 int vbi_close(bktr_ptr_t bktr); 98 int vbi_read(bktr_ptr_t bktr, struct uio *uio, int ioflag); 99 100