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/* $OpenBSD: agpreg.h,v 1.10 2008/03/23 08:36:41 damien Exp $ */
/* $NetBSD: agpreg.h,v 1.1 2001/09/10 10:01:02 fvdl Exp $ */
/*-
* Copyright (c) 2000 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: src/sys/pci/agpreg.h,v 1.3 2000/07/12 10:13:04 dfr Exp $
*/
#ifndef _PCI_AGPREG_H_
#define _PCI_AGPREG_H_
/*
* Offsets for various AGP configuration registers.
*/
#define AGP_APBASE 0x10
/*
* Offsets from the AGP Capability pointer.
*/
#define AGP_CAPID 0x02
#define AGP_CAPID_GET_MAJOR(x) (((x) & 0x00f00000U) >> 20)
#define AGP_CAPID_GET_MINOR(x) (((x) & 0x000f0000U) >> 16)
#define AGP_CAPID_GET_NEXT_PTR(x) (((x) & 0x0000ff00U) >> 8)
#define AGP_CAPID_GET_CAP_ID(x) (((x) & 0x000000ffU) >> 0)
#define AGP_STATUS 0x4
#define AGP_COMMAND 0x8
/*
* Config offsets for Intel AGP chipsets.
*/
/* i845/855PM */
#define AGP_I845_AGPMISC 0x51
#define AGPMISC_AAGN (1U << 1) /* Aperture AccessEN */
/* i840/850/850E */
#define AGP_I840_MCHCFG 0x50
#define MCHCFG_AAGN (1U << 9) /* Aperture AccessEN */
/* i82443LX/BX/GX */
#define AGP_INTEL_NBXCFG 0x50
#define AGP_INTEL_STS 0x90
#define NBXCFG_APAE (1U << 10) /* AGPtoPCI AccessDIS */
#define NBXCFG_AAGN (1U << 9) /* Aperture AccessEN */
/* Error Status for i8XX Chipset */
#define AGP_INTEL_I8XX_ERRSTS 0xc8
/* Common register */
#define AGP_INTEL_ERRSTS 0x91 /* Not i8XX */
#define AGP_INTEL_AGPCMD 0xa8
#define AGPCMD_SBA (1U << 9)
#define AGPCMD_AGPEN (1U << 8)
#define AGPCMD_FWEN (1U << 4)
#define AGPCMD_RATE_1X (1U << 1)
#define AGPCMD_RATE_2X (1U << 2)
#define AGPCMD_RATE_4X (1U << 3)
#define AGP_INTEL_AGPCTRL 0xb0
#define AGPCTRL_AGPRSE (1U << 13) /* AGPRSE (82443 only)*/
#define AGPCTRL_GTLB (1U << 7) /* GTLB EN */
#define AGP_INTEL_APSIZE 0xb4
#define APSIZE_MASK 0x3f
#define AGP_INTEL_ATTBASE 0xb8
/*
* Config offsets for VIA AGP 2.x chipsets.
*/
#define AGP_VIA_GARTCTRL 0x80
#define AGP_VIA_APSIZE 0x84
#define AGP_VIA_ATTBASE 0x88
/*
* Config offsets for VIA AGP 3.0 chipsets.
*/
#define AGP3_VIA_GARTCTRL 0x90
#define AGP3_VIA_APSIZE 0x94
#define AGP3_VIA_ATTBASE 0x98
#define AGP_VIA_AGPSEL 0xfd
/*
* Config offsets for SiS AGP chipsets.
*/
#define AGP_SIS_ATTBASE 0x90
#define AGP_SIS_WINCTRL 0x94
#define AGP_SIS_TLBCTRL 0x97
#define AGP_SIS_TLBFLUSH 0x98
/*
* Config offsets for Ali AGP chipsets.
*/
#define AGP_ALI_AGPCTRL 0xb8
#define AGP_ALI_ATTBASE 0xbc
#define AGP_ALI_TLBCTRL 0xc0
/*
* Config offsets for the AMD 751 chipset.
*/
#define AGP_AMD751_REGISTERS 0x14
#define AGP_AMD751_APCTRL 0xac
#define AGP_AMD751_MODECTRL 0xb0
#define AGP_AMD751_MODECTRL_SYNEN 0x80
#define AGP_AMD751_MODECTRL2 0xb2
#define AGP_AMD751_MODECTRL2_G1LM 0x01
#define AGP_AMD751_MODECTRL2_GPDCE 0x02
#define AGP_AMD751_MODECTRL2_NGSE 0x08
/*
* Memory mapped register offsets for AMD 751 chipset.
*/
#define AGP_AMD751_CAPS 0x00
#define AGP_AMD751_CAPS_EHI 0x0800
#define AGP_AMD751_CAPS_P2P 0x0400
#define AGP_AMD751_CAPS_MPC 0x0200
#define AGP_AMD751_CAPS_VBE 0x0100
#define AGP_AMD751_CAPS_REV 0x00ff
#define AGP_AMD751_STATUS 0x02
#define AGP_AMD751_STATUS_P2PS 0x0800
#define AGP_AMD751_STATUS_GCS 0x0400
#define AGP_AMD751_STATUS_MPS 0x0200
#define AGP_AMD751_STATUS_VBES 0x0100
#define AGP_AMD751_STATUS_P2PE 0x0008
#define AGP_AMD751_STATUS_GCE 0x0004
#define AGP_AMD751_STATUS_VBEE 0x0001
#define AGP_AMD751_ATTBASE 0x04
#define AGP_AMD751_TLBCTRL 0x0c
/*
* Config registers for i810 device 0
*/
#define AGP_I810_SMRAM 0x70
#define AGP_I810_SMRAM_GMS 0xc0
#define AGP_I810_SMRAM_GMS_DISABLED 0x00
#define AGP_I810_SMRAM_GMS_ENABLED_0 0x40
#define AGP_I810_SMRAM_GMS_ENABLED_512 0x80
#define AGP_I810_SMRAM_GMS_ENABLED_1024 0xc0
#define AGP_I810_MISCC 0x72
#define AGP_I810_MISCC_WINSIZE 0x0001
#define AGP_I810_MISCC_WINSIZE_64 0x0000
#define AGP_I810_MISCC_WINSIZE_32 0x0001
#define AGP_I810_MISCC_PLCK 0x0008
#define AGP_I810_MISCC_PLCK_UNLOCKED 0x0000
#define AGP_I810_MISCC_PLCK_LOCKED 0x0008
#define AGP_I810_MISCC_WPTC 0x0030
#define AGP_I810_MISCC_WPTC_NOLIMIT 0x0000
#define AGP_I810_MISCC_WPTC_62 0x0010
#define AGP_I810_MISCC_WPTC_50 0x0020
#define AGP_I810_MISCC_WPTC_37 0x0030
#define AGP_I810_MISCC_RPTC 0x00c0
#define AGP_I810_MISCC_RPTC_NOLIMIT 0x0000
#define AGP_I810_MISCC_RPTC_62 0x0040
#define AGP_I810_MISCC_RPTC_50 0x0080
#define AGP_I810_MISCC_RPTC_37 0x00c0
/*
* Config registers for i810 device 1
*/
#define AGP_I810_GMADR 0x10
#define AGP_I810_MMADR 0x14
/*
* Memory mapped register offsets for i810 chipset.
*/
#define AGP_I810_PGTBL_CTL 0x2020
#define AGP_I810_PGTBL_SIZE_MASK 0x0000000e
#define AGP_I810_PGTBL_SIZE_512KB (0 << 1)
#define AGP_I810_PGTBL_SIZE_256KB (1 << 1)
#define AGP_I810_PGTBL_SIZE_128KB (2 << 1)
#define AGP_I810_DRT 0x3000
#define AGP_I810_DRT_UNPOPULATED 0x00
#define AGP_I810_DRT_POPULATED 0x01
#define AGP_I810_GTT 0x10000
/*
* Config registers for i830MG device 0
*/
#define AGP_I830_GCC0 0x50
#define AGP_I830_GCC1 0x52
#define AGP_I830_GCC1_DEV2 0x08
#define AGP_I830_GCC1_DEV2_ENABLED 0x00
#define AGP_I830_GCC1_DEV2_DISABLED 0x08
#define AGP_I830_GCC1_GMS 0xf0
#define AGP_I830_GCC1_GMS_STOLEN_512 0x20
#define AGP_I830_GCC1_GMS_STOLEN_1024 0x30
#define AGP_I830_GCC1_GMS_STOLEN_8192 0x40
#define AGP_I830_GCC1_GMASIZE 0x01
#define AGP_I830_GCC1_GMASIZE_64 0x01
#define AGP_I830_GCC1_GMASIZE_128 0x00
/*
* Config registers for 852GM/855GM/865G device 0
*/
#define AGP_I855_GCC1 0x52
#define AGP_I855_GCC1_DEV2 0x08
#define AGP_I855_GCC1_DEV2_ENABLED 0x00
#define AGP_I855_GCC1_DEV2_DISABLED 0x08
#define AGP_I855_GCC1_GMS 0x70
#define AGP_I855_GCC1_GMS_STOLEN_0M 0x00
#define AGP_I855_GCC1_GMS_STOLEN_1M 0x10
#define AGP_I855_GCC1_GMS_STOLEN_4M 0x20
#define AGP_I855_GCC1_GMS_STOLEN_8M 0x30
#define AGP_I855_GCC1_GMS_STOLEN_16M 0x40
#define AGP_I855_GCC1_GMS_STOLEN_32M 0x50
/*
* 915G registers
*/
#define AGP_I915_GMADR 0x18
#define AGP_I915_MMADR 0x10
#define AGP_I915_GTTADR 0x1C
#define AGP_I915_GCC1_GMS_STOLEN_48M 0x60
#define AGP_I915_GCC1_GMS_STOLEN_64M 0x70
#define AGP_I915_DEVEN 0x54
#define AGP_I915_DEVEN_D2F0 0x08
#define AGP_I915_DEVEN_D2F0_ENABLED 0x08
#define AGP_I915_DEVEN_D2F0_DISABLED 0x00
#define AGP_I915_MSAC 0x62
#define AGP_I915_MSAC_GMASIZE 0x02
#define AGP_I915_MSAC_GMASIZE_128 0x02
#define AGP_I915_MSAC_GMASIZE_256 0x00
/*
* G965 registers
*/
#define AGP_I965_GMADR 0x18
#define AGP_I965_MMADR 0x10
#define AGP_I965_MSAC 0x62
#define AGP_I965_MSAC_GMASIZE 0x06
#define AGP_I965_MSAC_GMASIZE_128 0x00
#define AGP_I965_MSAC_GMASIZE_256 0x02
#define AGP_I965_MSAC_GMASIZE_512 0x06
#define AGP_I965_GTT 0x80000
/*
* G33 registers
*/
#define AGP_G33_GCC1_GMS_STOLEN_128M 0x80
#define AGP_G33_GCC1_GMS_STOLEN_256M 0x90
#define AGP_G33_PGTBL_SIZE_MASK (3U << 8)
#define AGP_G33_PGTBL_SIZE_1M (1U << 8)
#define AGP_G33_PGTBL_SIZE_2M (2U << 8)
#endif /* !_PCI_AGPREG_H_ */
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