bktr_mem.h revision 1.1.1.1.2.2
1 1.1.1.1.2.2 bouyer /* $NetBSD: bktr_mem.h,v 1.1.1.1.2.2 2000/11/22 16:04:31 bouyer Exp $ */ 2 1.1.1.1.2.2 bouyer 3 1.1.1.1.2.2 bouyer /* FreeBSD: src/sys/dev/bktr/bktr_mem.h,v 1.1 2000/09/10 14:34:08 roger Exp */ 4 1.1.1.1.2.2 bouyer 5 1.1.1.1.2.2 bouyer /* 6 1.1.1.1.2.2 bouyer * This is prt of the Driver for Video Capture Cards (Frame grabbers) 7 1.1.1.1.2.2 bouyer * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879 8 1.1.1.1.2.2 bouyer * chipset. 9 1.1.1.1.2.2 bouyer * Copyright Roger Hardiman. 10 1.1.1.1.2.2 bouyer * 11 1.1.1.1.2.2 bouyer * bktr_mem : This kernel module allows us to keep our allocated 12 1.1.1.1.2.2 bouyer * contiguous memory for the video buffer, DMA programs and VBI data 13 1.1.1.1.2.2 bouyer * while the main bktr driver is unloaded and reloaded. 14 1.1.1.1.2.2 bouyer * This avoids the problem of trying to allocate contiguous each 15 1.1.1.1.2.2 bouyer * time the bktr driver is loaded. 16 1.1.1.1.2.2 bouyer */ 17 1.1.1.1.2.2 bouyer 18 1.1.1.1.2.2 bouyer /* 19 1.1.1.1.2.2 bouyer * 1. Redistributions of source code must retain the 20 1.1.1.1.2.2 bouyer * Copyright (c) 2000 Roger Hardiman 21 1.1.1.1.2.2 bouyer * All rights reserved. 22 1.1.1.1.2.2 bouyer * 23 1.1.1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 24 1.1.1.1.2.2 bouyer * modification, are permitted provided that the following conditions 25 1.1.1.1.2.2 bouyer * are met: 26 1.1.1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 27 1.1.1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 28 1.1.1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 29 1.1.1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 30 1.1.1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 31 1.1.1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 32 1.1.1.1.2.2 bouyer * must display the following acknowledgement: 33 1.1.1.1.2.2 bouyer * This product includes software developed by Roger Hardiman 34 1.1.1.1.2.2 bouyer * 4. The name of the author may not be used to endorse or promote products 35 1.1.1.1.2.2 bouyer * derived from this software without specific prior written permission. 36 1.1.1.1.2.2 bouyer * 37 1.1.1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 38 1.1.1.1.2.2 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 39 1.1.1.1.2.2 bouyer * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 40 1.1.1.1.2.2 bouyer * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 41 1.1.1.1.2.2 bouyer * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 42 1.1.1.1.2.2 bouyer * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 43 1.1.1.1.2.2 bouyer * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 44 1.1.1.1.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 45 1.1.1.1.2.2 bouyer * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 46 1.1.1.1.2.2 bouyer * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 47 1.1.1.1.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 48 1.1.1.1.2.2 bouyer */ 49 1.1.1.1.2.2 bouyer 50 1.1.1.1.2.2 bouyer 51 1.1.1.1.2.2 bouyer /* Support this number of devices */ 52 1.1.1.1.2.2 bouyer #define BKTR_MEM_MAX_DEVICES 8 53 1.1.1.1.2.2 bouyer 54 1.1.1.1.2.2 bouyer /* Define a name for each block of memory we need to keep hold of */ 55 1.1.1.1.2.2 bouyer #define BKTR_MEM_DMA_PROG 1 56 1.1.1.1.2.2 bouyer #define BKTR_MEM_ODD_DMA_PROG 2 57 1.1.1.1.2.2 bouyer #define BKTR_MEM_VBIDATA 3 58 1.1.1.1.2.2 bouyer #define BKTR_MEM_VBIBUFFER 4 59 1.1.1.1.2.2 bouyer #define BKTR_MEM_BUF 5 60 1.1.1.1.2.2 bouyer 61 1.1.1.1.2.2 bouyer /* Prototypes */ 62 1.1.1.1.2.2 bouyer int bktr_has_stored_addresses(int unit); 63 1.1.1.1.2.2 bouyer void bktr_store_address(int unit, int type, vm_offset_t addr); 64 1.1.1.1.2.2 bouyer vm_offset_t bktr_retrieve_address(int unit, int type); 65 1.1.1.1.2.2 bouyer 66
Indexes created Wed Oct 22 13:09:56 GMT 2025