sys/dev/agp/agpreg.h

   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: src/sys/pci/agpreg.h,v 1.3.2.5 2003/06/02 17:38:19 jhb Exp $
  27  *      $DragonFly: src/sys/dev/agp/agpreg.h,v 1.5 2004/07/04 02:24:52 dillon Exp $
  28  */
  29
  30 #ifndef _PCI_AGPREG_H_
  31 #define _PCI_AGPREG_H_
  32
  33 /*
  34  * Offsets for various AGP configuration registers.
  35  */
  36 #define AGP_APBASE              0x10
  37 #define AGP_CAPPTR              0x34
  38
  39 /*
  40  * Offsets from the AGP Capability pointer.
  41  */
  42 #define AGP_CAPID               0x0
  43 #define AGP_CAPID_GET_MAJOR(x)          (((x) & 0x00f00000U) >> 20)
  44 #define AGP_CAPID_GET_MINOR(x)          (((x) & 0x000f0000U) >> 16)
  45 #define AGP_CAPID_GET_NEXT_PTR(x)       (((x) & 0x0000ff00U) >> 8)
  46 #define AGP_CAPID_GET_CAP_ID(x)         (((x) & 0x000000ffU) >> 0)
  47
  48 #define AGP_STATUS              0x4
  49 #define AGP_COMMAND             0x8
  50 #define AGP_STATUS_AGP3         0x0008
  51 #define AGP_STATUS_RQ_MASK      0xff000000
  52 #define AGP_COMMAND_RQ_MASK     0xff000000
  53 #define AGP_STATUS_ARQSZ_MASK   0xe000
  54 #define AGP_COMMAND_ARQSZ_MASK  0xe000
  55 #define AGP_STATUS_CAL_MASK     0x1c00
  56 #define AGP_COMMAND_CAL_MASK    0x1c00
  57 #define AGP_STATUS_ISOCH        0x10000
  58 #define AGP_STATUS_SBA          0x0200
  59 #define AGP_STATUS_ITA_COH      0x0100
  60 #define AGP_STATUS_GART64       0x0080
  61 #define AGP_STATUS_HTRANS       0x0040
  62 #define AGP_STATUS_64BIT        0x0020
  63 #define AGP_STATUS_FW           0x0010
  64 #define AGP_COMMAND_RQ_MASK     0xff000000
  65 #define AGP_COMMAND_ARQSZ_MASK  0xe000
  66 #define AGP_COMMAND_CAL_MASK    0x1c00
  67 #define AGP_COMMAND_SBA         0x0200
  68 #define AGP_COMMAND_AGP         0x0100
  69 #define AGP_COMMAND_GART64      0x0080
  70 #define AGP_COMMAND_64BIT       0x0020
  71 #define AGP_COMMAND_FW          0x0010
  72
  73
  74 /*
  75  * Config offsets for Intel AGP chipsets.
  76  */
  77 #define AGP_INTEL_NBXCFG        0x50
  78 #define AGP_INTEL_ERRSTS        0x91
  79 #define AGP_INTEL_AGPCTRL       0xb0
  80 #define AGP_INTEL_APSIZE        0xb4
  81 #define AGP_INTEL_ATTBASE       0xb8
  82
  83 /*
  84  * Config offsets for Intel i820/i840/i845/i850/i860/i865 AGP chipsets.
  85  */
  86 #define AGP_INTEL_MCHCFG        0x50
  87 #define AGP_INTEL_I820_RDCR     0x51
  88 #define AGP_INTEL_I845_MCHCFG   0x51
  89 #define AGP_INTEL_I8XX_ERRSTS   0xc8
  90
  91 /*
  92  * Config offsets for VIA AGP chipsets.
  93  */
  94 #define AGP_VIA_GARTCTRL        0x80
  95 #define AGP_VIA_APSIZE          0x84
  96 #define AGP_VIA_ATTBASE         0x88
  97
  98 /*
  99  * Config offsets for VIA AGP 3.0 chipsets.
 100  */
 101 #define AGP3_VIA_GARTCTRL       0x90
 102 #define AGP3_VIA_APSIZE         0x94
 103 #define AGP3_VIA_ATTBASE        0x98
 104
 105 /*
 106  * Config offsets for SiS AGP chipsets.
 107  */
 108 #define AGP_SIS_ATTBASE         0x90
 109 #define AGP_SIS_WINCTRL         0x94
 110 #define AGP_SIS_TLBCTRL         0x97
 111 #define AGP_SIS_TLBFLUSH        0x98
 112
 113 /*
 114  * Config offsets for Ali AGP chipsets.
 115  */
 116 #define AGP_ALI_AGPCTRL         0xb8
 117 #define AGP_ALI_ATTBASE         0xbc
 118 #define AGP_ALI_TLBCTRL         0xc0
 119
 120 /*
 121  * Config offsets for the AMD 751 chipset.
 122  */
 123 #define AGP_AMD751_APBASE       0x10
 124 #define AGP_AMD751_REGISTERS    0x14
 125 #define AGP_AMD751_APCTRL       0xac
 126 #define AGP_AMD751_MODECTRL     0xb0
 127 #define AGP_AMD751_MODECTRL_SYNEN       0x80
 128 #define AGP_AMD751_MODECTRL2    0xb2
 129 #define AGP_AMD751_MODECTRL2_G1LM       0x01
 130 #define AGP_AMD751_MODECTRL2_GPDCE      0x02
 131 #define AGP_AMD751_MODECTRL2_NGSE       0x08
 132
 133 /*
 134  * Memory mapped register offsets for AMD 751 chipset.
 135  */
 136 #define AGP_AMD751_CAPS         0x00
 137 #define AGP_AMD751_CAPS_EHI             0x0800
 138 #define AGP_AMD751_CAPS_P2P             0x0400
 139 #define AGP_AMD751_CAPS_MPC             0x0200
 140 #define AGP_AMD751_CAPS_VBE             0x0100
 141 #define AGP_AMD751_CAPS_REV             0x00ff
 142 #define AGP_AMD751_STATUS       0x02
 143 #define AGP_AMD751_STATUS_P2PS          0x0800
 144 #define AGP_AMD751_STATUS_GCS           0x0400
 145 #define AGP_AMD751_STATUS_MPS           0x0200
 146 #define AGP_AMD751_STATUS_VBES          0x0100
 147 #define AGP_AMD751_STATUS_P2PE          0x0008
 148 #define AGP_AMD751_STATUS_GCE           0x0004
 149 #define AGP_AMD751_STATUS_VBEE          0x0001
 150 #define AGP_AMD751_ATTBASE      0x04
 151 #define AGP_AMD751_TLBCTRL      0x0c
 152
 153 /*
 154  * Config registers for i810 device 0
 155  */
 156 #define AGP_I810_SMRAM          0x70
 157 #define AGP_I810_SMRAM_GMS              0xc0
 158 #define AGP_I810_SMRAM_GMS_DISABLED     0x00
 159 #define AGP_I810_SMRAM_GMS_ENABLED_0    0x40
 160 #define AGP_I810_SMRAM_GMS_ENABLED_512  0x80
 161 #define AGP_I810_SMRAM_GMS_ENABLED_1024 0xc0
 162 #define AGP_I810_MISCC          0x72
 163 #define AGP_I810_MISCC_WINSIZE          0x0001
 164 #define AGP_I810_MISCC_WINSIZE_64       0x0000
 165 #define AGP_I810_MISCC_WINSIZE_32       0x0001
 166 #define AGP_I810_MISCC_PLCK             0x0008
 167 #define AGP_I810_MISCC_PLCK_UNLOCKED    0x0000
 168 #define AGP_I810_MISCC_PLCK_LOCKED      0x0008
 169 #define AGP_I810_MISCC_WPTC             0x0030
 170 #define AGP_I810_MISCC_WPTC_NOLIMIT     0x0000
 171 #define AGP_I810_MISCC_WPTC_62          0x0010
 172 #define AGP_I810_MISCC_WPTC_50          0x0020
 173 #define AGP_I810_MISCC_WPTC_37          0x0030
 174 #define AGP_I810_MISCC_RPTC             0x00c0
 175 #define AGP_I810_MISCC_RPTC_NOLIMIT     0x0000
 176 #define AGP_I810_MISCC_RPTC_62          0x0040
 177 #define AGP_I810_MISCC_RPTC_50          0x0080
 178 #define AGP_I810_MISCC_RPTC_37          0x00c0
 179
 180 /*
 181  * Config registers for i810 device 1
 182  */
 183 #define AGP_I810_GMADR          0x10
 184 #define AGP_I810_MMADR          0x14
 185
 186 /*
 187  * Memory mapped register offsets for i810 chipset.
 188  */
 189 #define AGP_I810_PGTBL_CTL      0x2020
 190 #define AGP_I810_DRT            0x3000
 191 #define AGP_I810_DRT_UNPOPULATED 0x00
 192 #define AGP_I810_DRT_POPULATED  0x01
 193 #define AGP_I810_GTT            0x10000
 194
 195 /*
 196  * Config registers for i830MG device 0
 197  */
 198 #define AGP_I830_GCC1                   0x52
 199 #define AGP_I830_GCC1_DEV2              0x08
 200 #define AGP_I830_GCC1_DEV2_ENABLED      0x00
 201 #define AGP_I830_GCC1_DEV2_DISABLED     0x08
 202 #define AGP_I830_GCC1_GMS               0x70
 203 #define AGP_I830_GCC1_GMS_STOLEN_512    0x20
 204 #define AGP_I830_GCC1_GMS_STOLEN_1024   0x30
 205 #define AGP_I830_GCC1_GMS_STOLEN_8192   0x40
 206 #define AGP_I830_GCC1_GMASIZE           0x01
 207 #define AGP_I830_GCC1_GMASIZE_64        0x01
 208 #define AGP_I830_GCC1_GMASIZE_128       0x00
 209
 210 /*
 211  * Config registers for 852GM/855GM/865G device 0
 212  */
 213 #define AGP_I855_GCC1                   0x52
 214 #define AGP_I855_GCC1_DEV2              0x08
 215 #define AGP_I855_GCC1_DEV2_ENABLED      0x00
 216 #define AGP_I855_GCC1_DEV2_DISABLED     0x08
 217 #define AGP_I855_GCC1_GMS               0x70
 218 #define AGP_I855_GCC1_GMS_STOLEN_0M     0x00
 219 #define AGP_I855_GCC1_GMS_STOLEN_1M     0x10
 220 #define AGP_I855_GCC1_GMS_STOLEN_4M     0x20
 221 #define AGP_I855_GCC1_GMS_STOLEN_8M     0x30
 222 #define AGP_I855_GCC1_GMS_STOLEN_16M    0x40
 223 #define AGP_I855_GCC1_GMS_STOLEN_32M    0x50
 224
 225 /*
 226  * 852GM/855GM variant identification
 227  */
 228 #define AGP_I85X_CAPID                  0x44
 229 #define AGP_I85X_VARIANT_MASK           0x7
 230 #define AGP_I85X_VARIANT_SHIFT          5
 231 #define AGP_I855_GME                    0x0
 232 #define AGP_I855_GM                     0x4
 233 #define AGP_I852_GME                    0x2
 234 #define AGP_I852_GM                     0x5
 235
 236 /*
 237  * NVIDIA nForce/nForce2 registers
 238  */
 239 #define AGP_NVIDIA_0_APBASE             0x10
 240 #define AGP_NVIDIA_0_APSIZE             0x80
 241 #define AGP_NVIDIA_1_WBC                0xf0
 242 #define AGP_NVIDIA_2_GARTCTRL           0xd0
 243 #define AGP_NVIDIA_2_APBASE             0xd8
 244 #define AGP_NVIDIA_2_APLIMIT            0xdc
 245 #define AGP_NVIDIA_2_ATTBASE(i)         (0xe0 + (i) * 4)
 246 #define AGP_NVIDIA_3_APBASE             0x50
 247 #define AGP_NVIDIA_3_APLIMIT            0x54
 248
 249 #endif /* !_PCI_AGPREG_H_ */