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