agpreg.h revision 127873
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 127873 2004-04-05 02:32:07Z imp $ 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#define AGP_STATUS_AGP3 0x0008 50#define AGP_STATUS_RQ_MASK 0xff000000 51#define AGP_COMMAND_RQ_MASK 0xff000000 52#define AGP_STATUS_ARQSZ_MASK 0xe000 53#define AGP_COMMAND_ARQSZ_MASK 0xe000 54#define AGP_STATUS_CAL_MASK 0x1c00 55#define AGP_COMMAND_CAL_MASK 0x1c00 56#define AGP_STATUS_ISOCH 0x10000 57#define AGP_STATUS_SBA 0x0200 58#define AGP_STATUS_ITA_COH 0x0100 59#define AGP_STATUS_GART64 0x0080 60#define AGP_STATUS_HTRANS 0x0040 61#define AGP_STATUS_64BIT 0x0020 62#define AGP_STATUS_FW 0x0010 63#define AGP_COMMAND_RQ_MASK 0xff000000 64#define AGP_COMMAND_ARQSZ_MASK 0xe000 65#define AGP_COMMAND_CAL_MASK 0x1c00 66#define AGP_COMMAND_SBA 0x0200 67#define AGP_COMMAND_AGP 0x0100 68#define AGP_COMMAND_GART64 0x0080 69#define AGP_COMMAND_64BIT 0x0020 70#define AGP_COMMAND_FW 0x0010 71 72/* 73 * Config offsets for Intel AGP chipsets. 74 */ 75#define AGP_INTEL_NBXCFG 0x50 76#define AGP_INTEL_ERRSTS 0x91 77#define AGP_INTEL_AGPCTRL 0xb0 78#define AGP_INTEL_APSIZE 0xb4 79#define AGP_INTEL_ATTBASE 0xb8 80 81/* 82 * Config offsets for Intel i820/i840/i845/i850/i860/i865 AGP chipsets. 83 */ 84#define AGP_INTEL_MCHCFG 0x50 85#define AGP_INTEL_I820_RDCR 0x51 86#define AGP_INTEL_I845_MCHCFG 0x51 87#define AGP_INTEL_I8XX_ERRSTS 0xc8 88 89/* 90 * Config offsets for VIA AGP chipsets. 91 */ 92#define AGP_VIA_GARTCTRL 0x80 93#define AGP_VIA_APSIZE 0x84 94#define AGP_VIA_ATTBASE 0x88 95 96/* 97 * Config offsets for SiS AGP chipsets. 98 */ 99#define AGP_SIS_ATTBASE 0x90 100#define AGP_SIS_WINCTRL 0x94 101#define AGP_SIS_TLBCTRL 0x97 102#define AGP_SIS_TLBFLUSH 0x98 103 104/* 105 * Config offsets for Ali AGP chipsets. 106 */ 107#define AGP_ALI_AGPCTRL 0xb8 108#define AGP_ALI_ATTBASE 0xbc 109#define AGP_ALI_TLBCTRL 0xc0 110 111/* 112 * Config offsets for the AMD 751 chipset. 113 */ 114#define AGP_AMD751_APBASE 0x10 115#define AGP_AMD751_REGISTERS 0x14 116#define AGP_AMD751_APCTRL 0xac 117#define AGP_AMD751_MODECTRL 0xb0 118#define AGP_AMD751_MODECTRL_SYNEN 0x80 119#define AGP_AMD751_MODECTRL2 0xb2 120#define AGP_AMD751_MODECTRL2_G1LM 0x01 121#define AGP_AMD751_MODECTRL2_GPDCE 0x02 122#define AGP_AMD751_MODECTRL2_NGSE 0x08 123 124/* 125 * Memory mapped register offsets for AMD 751 chipset. 126 */ 127#define AGP_AMD751_CAPS 0x00 128#define AGP_AMD751_CAPS_EHI 0x0800 129#define AGP_AMD751_CAPS_P2P 0x0400 130#define AGP_AMD751_CAPS_MPC 0x0200 131#define AGP_AMD751_CAPS_VBE 0x0100 132#define AGP_AMD751_CAPS_REV 0x00ff 133#define AGP_AMD751_STATUS 0x02 134#define AGP_AMD751_STATUS_P2PS 0x0800 135#define AGP_AMD751_STATUS_GCS 0x0400 136#define AGP_AMD751_STATUS_MPS 0x0200 137#define AGP_AMD751_STATUS_VBES 0x0100 138#define AGP_AMD751_STATUS_P2PE 0x0008 139#define AGP_AMD751_STATUS_GCE 0x0004 140#define AGP_AMD751_STATUS_VBEE 0x0001 141#define AGP_AMD751_ATTBASE 0x04 142#define AGP_AMD751_TLBCTRL 0x0c 143 144/* 145 * Config registers for i810 device 0 146 */ 147#define AGP_I810_SMRAM 0x70 148#define AGP_I810_SMRAM_GMS 0xc0 149#define AGP_I810_SMRAM_GMS_DISABLED 0x00 150#define AGP_I810_SMRAM_GMS_ENABLED_0 0x40 151#define AGP_I810_SMRAM_GMS_ENABLED_512 0x80 152#define AGP_I810_SMRAM_GMS_ENABLED_1024 0xc0 153#define AGP_I810_MISCC 0x72 154#define AGP_I810_MISCC_WINSIZE 0x0001 155#define AGP_I810_MISCC_WINSIZE_64 0x0000 156#define AGP_I810_MISCC_WINSIZE_32 0x0001 157#define AGP_I810_MISCC_PLCK 0x0008 158#define AGP_I810_MISCC_PLCK_UNLOCKED 0x0000 159#define AGP_I810_MISCC_PLCK_LOCKED 0x0008 160#define AGP_I810_MISCC_WPTC 0x0030 161#define AGP_I810_MISCC_WPTC_NOLIMIT 0x0000 162#define AGP_I810_MISCC_WPTC_62 0x0010 163#define AGP_I810_MISCC_WPTC_50 0x0020 164#define AGP_I810_MISCC_WPTC_37 0x0030 165#define AGP_I810_MISCC_RPTC 0x00c0 166#define AGP_I810_MISCC_RPTC_NOLIMIT 0x0000 167#define AGP_I810_MISCC_RPTC_62 0x0040 168#define AGP_I810_MISCC_RPTC_50 0x0080 169#define AGP_I810_MISCC_RPTC_37 0x00c0 170 171/* 172 * Config registers for i810 device 1 173 */ 174#define AGP_I810_GMADR 0x10 175#define AGP_I810_MMADR 0x14 176 177/* 178 * Memory mapped register offsets for i810 chipset. 179 */ 180#define AGP_I810_PGTBL_CTL 0x2020 181#define AGP_I810_DRT 0x3000 182#define AGP_I810_DRT_UNPOPULATED 0x00 183#define AGP_I810_DRT_POPULATED 0x01 184#define AGP_I810_GTT 0x10000 185 186/* 187 * Config registers for i830MG device 0 188 */ 189#define AGP_I830_GCC1 0x52 190#define AGP_I830_GCC1_DEV2 0x08 191#define AGP_I830_GCC1_DEV2_ENABLED 0x00 192#define AGP_I830_GCC1_DEV2_DISABLED 0x08 193#define AGP_I830_GCC1_GMS 0x70 194#define AGP_I830_GCC1_GMS_STOLEN_512 0x20 195#define AGP_I830_GCC1_GMS_STOLEN_1024 0x30 196#define AGP_I830_GCC1_GMS_STOLEN_8192 0x40 197#define AGP_I830_GCC1_GMASIZE 0x01 198#define AGP_I830_GCC1_GMASIZE_64 0x01 199#define AGP_I830_GCC1_GMASIZE_128 0x00 200 201/* 202 * Config registers for 852GM/855GM/865G device 0 203 */ 204#define AGP_I855_GCC1 0x52 205#define AGP_I855_GCC1_DEV2 0x08 206#define AGP_I855_GCC1_DEV2_ENABLED 0x00 207#define AGP_I855_GCC1_DEV2_DISABLED 0x08 208#define AGP_I855_GCC1_GMS 0x70 209#define AGP_I855_GCC1_GMS_STOLEN_0M 0x00 210#define AGP_I855_GCC1_GMS_STOLEN_1M 0x10 211#define AGP_I855_GCC1_GMS_STOLEN_4M 0x20 212#define AGP_I855_GCC1_GMS_STOLEN_8M 0x30 213#define AGP_I855_GCC1_GMS_STOLEN_16M 0x40 214#define AGP_I855_GCC1_GMS_STOLEN_32M 0x50 215 216/* 217 * 852GM/855GM variant identification 218 */ 219#define AGP_I85X_CAPID 0x44 220#define AGP_I85X_VARIANT_MASK 0x7 221#define AGP_I85X_VARIANT_SHIFT 5 222#define AGP_I855_GME 0x0 223#define AGP_I855_GM 0x4 224#define AGP_I852_GME 0x2 225#define AGP_I852_GM 0x5 226 227/* 228 * NVIDIA nForce/nForce2 registers 229 */ 230#define AGP_NVIDIA_0_APBASE 0x10 231#define AGP_NVIDIA_0_APSIZE 0x80 232#define AGP_NVIDIA_1_WBC 0xf0 233#define AGP_NVIDIA_2_GARTCTRL 0xd0 234#define AGP_NVIDIA_2_APBASE 0xd8 235#define AGP_NVIDIA_2_APLIMIT 0xdc 236#define AGP_NVIDIA_2_ATTBASE(i) (0xe0 + (i) * 4) 237#define AGP_NVIDIA_3_APBASE 0x50 238#define AGP_NVIDIA_3_APLIMIT 0x54 239 240#endif /* !_PCI_AGPREG_H_ */ 241