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agpreg.h revision 1.1
      1 /*	$NetBSD: agpreg.h,v 1.1 2001/09/10 10:01:02 fvdl Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 Doug Rabson
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  *
     28  *	$FreeBSD: src/sys/pci/agpreg.h,v 1.3 2000/07/12 10:13:04 dfr Exp $
     29  */
     30 
     31 #ifndef _PCI_AGPREG_H_
     32 #define _PCI_AGPREG_H_
     33 
     34 /*
     35  * Offsets for various AGP configuration registers.
     36  */
     37 #define AGP_APBASE		0x10
     38 
     39 /*
     40  * Offsets from the AGP Capability pointer.
     41  */
     42 #define AGP_CAPID		0x02
     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 
     51 /*
     52  * Config offsets for Intel AGP chipsets.
     53  */
     54 #define AGP_INTEL_NBXCFG	0x50
     55 #define AGP_INTEL_STS		0x90
     56 #define AGP_INTEL_AGPCTRL	0xb0
     57 #define AGP_INTEL_APSIZE	0xb4
     58 #define AGP_INTEL_ATTBASE	0xb8
     59 
     60 /*
     61  * Config offsets for VIA AGP chipsets.
     62  */
     63 #define AGP_VIA_GARTCTRL	0x80
     64 #define AGP_VIA_APSIZE		0x84
     65 #define AGP_VIA_ATTBASE		0x88
     66 
     67 /*
     68  * Config offsets for SiS AGP chipsets.
     69  */
     70 #define AGP_SIS_ATTBASE		0x90
     71 #define AGP_SIS_WINCTRL		0x94
     72 #define AGP_SIS_TLBCTRL		0x97
     73 #define AGP_SIS_TLBFLUSH	0x98
     74 
     75 /*
     76  * Config offsets for Ali AGP chipsets.
     77  */
     78 #define AGP_ALI_AGPCTRL		0xb8
     79 #define AGP_ALI_ATTBASE		0xbc
     80 #define AGP_ALI_TLBCTRL		0xc0
     81 
     82 /*
     83  * Config offsets for the AMD 751 chipset.
     84  */
     85 #define AGP_AMD751_REGISTERS	0x14
     86 #define AGP_AMD751_APCTRL	0xac
     87 #define AGP_AMD751_MODECTRL	0xb0
     88 #define AGP_AMD751_MODECTRL_SYNEN	0x80
     89 #define AGP_AMD751_MODECTRL2	0xb2
     90 #define AGP_AMD751_MODECTRL2_G1LM	0x01
     91 #define AGP_AMD751_MODECTRL2_GPDCE	0x02
     92 #define AGP_AMD751_MODECTRL2_NGSE	0x08
     93 
     94 /*
     95  * Memory mapped register offsets for AMD 751 chipset.
     96  */
     97 #define AGP_AMD751_CAPS		0x00
     98 #define AGP_AMD751_CAPS_EHI		0x0800
     99 #define AGP_AMD751_CAPS_P2P		0x0400
    100 #define AGP_AMD751_CAPS_MPC		0x0200
    101 #define AGP_AMD751_CAPS_VBE		0x0100
    102 #define AGP_AMD751_CAPS_REV		0x00ff
    103 #define AGP_AMD751_STATUS	0x02
    104 #define AGP_AMD751_STATUS_P2PS		0x0800
    105 #define AGP_AMD751_STATUS_GCS		0x0400
    106 #define AGP_AMD751_STATUS_MPS		0x0200
    107 #define AGP_AMD751_STATUS_VBES		0x0100
    108 #define AGP_AMD751_STATUS_P2PE		0x0008
    109 #define AGP_AMD751_STATUS_GCE		0x0004
    110 #define AGP_AMD751_STATUS_VBEE		0x0001
    111 #define AGP_AMD751_ATTBASE	0x04
    112 #define AGP_AMD751_TLBCTRL	0x0c
    113 
    114 /*
    115  * Config registers for i810 device 0
    116  */
    117 #define AGP_I810_SMRAM		0x70
    118 #define AGP_I810_SMRAM_GMS		0xc0
    119 #define AGP_I810_SMRAM_GMS_DISABLED	0x00
    120 #define AGP_I810_SMRAM_GMS_ENABLED_0	0x40
    121 #define AGP_I810_SMRAM_GMS_ENABLED_512	0x80
    122 #define AGP_I810_SMRAM_GMS_ENABLED_1024	0xc0
    123 #define AGP_I810_MISCC		0x72
    124 #define	AGP_I810_MISCC_WINSIZE		0x0001
    125 #define AGP_I810_MISCC_WINSIZE_64	0x0000
    126 #define AGP_I810_MISCC_WINSIZE_32	0x0001
    127 #define AGP_I810_MISCC_PLCK		0x0008
    128 #define AGP_I810_MISCC_PLCK_UNLOCKED	0x0000
    129 #define AGP_I810_MISCC_PLCK_LOCKED	0x0008
    130 #define AGP_I810_MISCC_WPTC		0x0030
    131 #define AGP_I810_MISCC_WPTC_NOLIMIT	0x0000
    132 #define AGP_I810_MISCC_WPTC_62		0x0010
    133 #define AGP_I810_MISCC_WPTC_50		0x0020
    134 #define	AGP_I810_MISCC_WPTC_37		0x0030
    135 #define AGP_I810_MISCC_RPTC		0x00c0
    136 #define AGP_I810_MISCC_RPTC_NOLIMIT	0x0000
    137 #define AGP_I810_MISCC_RPTC_62		0x0040
    138 #define AGP_I810_MISCC_RPTC_50		0x0080
    139 #define AGP_I810_MISCC_RPTC_37		0x00c0
    140 
    141 /*
    142  * Config registers for i810 device 1
    143  */
    144 #define AGP_I810_GMADR		0x10
    145 #define AGP_I810_MMADR		0x14
    146 
    147 /*
    148  * Memory mapped register offsets for i810 chipset.
    149  */
    150 #define AGP_I810_PGTBL_CTL	0x2020
    151 #define AGP_I810_DRT		0x3000
    152 #define AGP_I810_DRT_UNPOPULATED 0x00
    153 #define AGP_I810_DRT_POPULATED	0x01
    154 #define AGP_I810_GTT		0x10000
    155 
    156 #endif /* !_PCI_AGPREG_H_ */
    157