agpreg.h revision 61501
1/*- 2 * Copyright (c) 2000 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/dev/agp/agpreg.h 61501 2000-06-10 17:44:53Z dfr $ 27 */ 28 29#ifndef _PCI_AGPREG_H_ 30#define _PCI_AGPREG_H_ 31 32/* 33 * Offsets for various AGP configuration registers. 34 */ 35#define AGP_APBASE 0x10 36#define AGP_CAPPTR 0x34 37 38/* 39 * Offsets from the AGP Capability pointer. 40 */ 41#define AGP_CAPID 0x0 42#define AGP_CAPID_GET_MAJOR(x) (((x) & 0x00f00000U) >> 20) 43#define AGP_CAPID_GET_MINOR(x) (((x) & 0x000f0000U) >> 16) 44#define AGP_CAPID_GET_NEXT_PTR(x) (((x) & 0x0000ff00U) >> 8) 45#define AGP_CAPID_GET_CAP_ID(x) (((x) & 0x000000ffU) >> 0) 46 47#define AGP_STATUS 0x4 48#define AGP_COMMAND 0x8 49 50/* 51 * Config offsets for Intel AGP chipsets. 52 */ 53#define AGP_INTEL_NBXCFG 0x50 54#define AGP_INTEL_ERRSTS 0x91 55#define AGP_INTEL_AGPCTRL 0xb0 56#define AGP_INTEL_APSIZE 0xb4 57#define AGP_INTEL_ATTBASE 0xb8 58 59/* 60 * Config offsets for VIA AGP chipsets. 61 */ 62#define AGP_VIA_GARTCTRL 0x80 63#define AGP_VIA_APSIZE 0x84 64#define AGP_VIA_ATTBASE 0x88 65 66/* 67 * Config offsets for SiS AGP chipsets. 68 */ 69#define AGP_SIS_ATTBASE 0x90 70#define AGP_SIS_WINCTRL 0x94 71#define AGP_SIS_TLBCTRL 0x97 72#define AGP_SIS_TLBFLUSH 0x98 73 74/* 75 * Config offsets for Ali AGP chipsets. 76 */ 77#define AGP_ALI_AGPCTRL 0xb8 78#define AGP_ALI_ATTBASE 0xbc 79#define AGP_ALI_TLBCTRL 0xc0 80 81/* 82 * Config offsets for the AMD 751 chipset. 83 */ 84#define AGP_AMD751_REGISTERS 0x14 85#define AGP_AMD751_APCTRL 0xac 86#define AGP_AMD751_MODECTRL 0xb0 87#define AGP_AMD751_MODECTRL_SYNEN 0x80 88#define AGP_AMD751_MODECTRL2 0xb2 89#define AGP_AMD751_MODECTRL2_G1LM 0x01 90#define AGP_AMD751_MODECTRL2_GPDCE 0x02 91#define AGP_AMD751_MODECTRL2_NGSE 0x08 92 93/* 94 * Memory mapped register offsets for AMD 751 chipset. 95 */ 96#define AGP_AMD751_CAPS 0x00 97#define AGP_AMD751_CAPS_EHI 0x0800 98#define AGP_AMD751_CAPS_P2P 0x0400 99#define AGP_AMD751_CAPS_MPC 0x0200 100#define AGP_AMD751_CAPS_VBE 0x0100 101#define AGP_AMD751_CAPS_REV 0x00ff 102#define AGP_AMD751_STATUS 0x02 103#define AGP_AMD751_STATUS_P2PS 0x0800 104#define AGP_AMD751_STATUS_GCS 0x0400 105#define AGP_AMD751_STATUS_MPS 0x0200 106#define AGP_AMD751_STATUS_VBES 0x0100 107#define AGP_AMD751_STATUS_P2PE 0x0008 108#define AGP_AMD751_STATUS_GCE 0x0004 109#define AGP_AMD751_STATUS_VBEE 0x0001 110#define AGP_AMD751_ATTBASE 0x04 111#define AGP_AMD751_TLBCTRL 0x0c 112 113 114#endif /* !_PCI_AGPREG_H_ */ 115