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/*-
* 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: release/9.1.0/sys/dev/agp/agpreg.h 236926 2012-06-11 21:33:02Z kib $
*/
#ifndef _PCI_AGPREG_H_
#define _PCI_AGPREG_H_
/*
* Offsets for various AGP configuration registers.
*/
#define AGP_APBASE PCIR_BAR(0)
/*
* Offsets from the AGP Capability pointer.
*/
#define AGP_CAPID 0x0
#define AGP_STATUS 0x4
#define AGP_COMMAND 0x8
#define AGP_STATUS_AGP3 0x0008
#define AGP_STATUS_RQ_MASK 0xff000000
#define AGP_COMMAND_RQ_MASK 0xff000000
#define AGP_STATUS_ARQSZ_MASK 0xe000
#define AGP_COMMAND_ARQSZ_MASK 0xe000
#define AGP_STATUS_CAL_MASK 0x1c00
#define AGP_COMMAND_CAL_MASK 0x1c00
#define AGP_STATUS_ISOCH 0x10000
#define AGP_STATUS_SBA 0x0200
#define AGP_STATUS_ITA_COH 0x0100
#define AGP_STATUS_GART64 0x0080
#define AGP_STATUS_HTRANS 0x0040
#define AGP_STATUS_64BIT 0x0020
#define AGP_STATUS_FW 0x0010
#define AGP_COMMAND_RQ_MASK 0xff000000
#define AGP_COMMAND_ARQSZ_MASK 0xe000
#define AGP_COMMAND_CAL_MASK 0x1c00
#define AGP_COMMAND_SBA 0x0200
#define AGP_COMMAND_AGP 0x0100
#define AGP_COMMAND_GART64 0x0080
#define AGP_COMMAND_64BIT 0x0020
#define AGP_COMMAND_FW 0x0010
/*
* Config offsets for Intel AGP chipsets.
*/
#define AGP_INTEL_NBXCFG 0x50
#define AGP_INTEL_ERRSTS 0x91
#define AGP_INTEL_AGPCTRL 0xb0
#define AGP_INTEL_APSIZE 0xb4
#define AGP_INTEL_ATTBASE 0xb8
/*
* Config offsets for Intel i8xx/E7xxx AGP chipsets.
*/
#define AGP_INTEL_MCHCFG 0x50
#define AGP_INTEL_I820_RDCR 0x51
#define AGP_INTEL_I845_AGPM 0x51
#define AGP_INTEL_I8XX_ERRSTS 0xc8
/*
* 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_APBASE 0x10
#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
#define I810_PTE_VALID 0x00000001
/*
* Cache control
*
* Pre-Sandybridge bits
*/
#define I810_PTE_MAIN_UNCACHED 0x00000000
#define I810_PTE_LOCAL 0x00000002 /* Non-snooped main phys memory */
#define I830_PTE_SYSTEM_CACHED 0x00000006 /* Snooped main phys memory */
/*
* Sandybridge
* LLC - Last Level Cache
* MMC - Mid Level Cache
*/
#define GEN6_PTE_RESERVED 0x00000000
#define GEN6_PTE_UNCACHED 0x00000002 /* Do not cache */
#define GEN6_PTE_LLC 0x00000004 /* Cache in LLC */
#define GEN6_PTE_LLC_MLC 0x00000006 /* Cache in LLC and MLC */
#define GEN6_PTE_GFDT 0x00000008 /* Graphics Data Type */
/*
* Memory mapped register offsets for i810 chipset.
*/
#define AGP_I810_PGTBL_CTL 0x2020
#define AGP_I810_PGTBL_ENABLED 0x00000001
/**
* This field determines the actual size of the global GTT on the 965
* and G33
*/
#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_PGTBL_SIZE_1MB (3 << 1)
#define AGP_I810_PGTBL_SIZE_2MB (4 << 1)
#define AGP_I810_PGTBL_SIZE_1_5MB (5 << 1)
#define AGP_G33_GCC1_SIZE_MASK (3 << 8)
#define AGP_G33_GCC1_SIZE_1M (1 << 8)
#define AGP_G33_GCC1_SIZE_2M (2 << 8)
#define AGP_G4x_GCC1_SIZE_MASK (0xf << 8)
#define AGP_G4x_GCC1_SIZE_1M (0x1 << 8)
#define AGP_G4x_GCC1_SIZE_2M (0x3 << 8)
#define AGP_G4x_GCC1_SIZE_VT_EN (0x8 << 8)
#define AGP_G4x_GCC1_SIZE_VT_1M \
(AGP_G4x_GCC1_SIZE_1M | AGP_G4x_GCC1_SIZE_VT_EN)
#define AGP_G4x_GCC1_SIZE_VT_1_5M ((0x2 << 8) | AGP_G4x_GCC1_SIZE_VT_EN)
#define AGP_G4x_GCC1_SIZE_VT_2M \
(AGP_G4x_GCC1_SIZE_2M | AGP_G4x_GCC1_SIZE_VT_EN)
#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_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 /* Top bit reserved pre-G33 */
#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
#define AGP_I830_HIC 0x70
/*
* 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 0xf0 /* Top bit reserved pre-G33 */
#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
/*
* 852GM/855GM variant identification
*/
#define AGP_I85X_CAPID 0x44
#define AGP_I85X_VARIANT_MASK 0x7
#define AGP_I85X_VARIANT_SHIFT 5
#define AGP_I855_GME 0x0
#define AGP_I855_GM 0x4
#define AGP_I852_GME 0x2
#define AGP_I852_GM 0x5
/*
* 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_SB_DEVEN_D2EN 0x10 /* SB+ has IGD enabled bit */
#define AGP_SB_DEVEN_D2EN_ENABLED 0x10 /* in different place */
#define AGP_SB_DEVEN_D2EN_DISABLED 0x00
#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
#define AGP_I915_IFPADDR 0x60
/*
* G965 registers
*/
#define AGP_I965_GTTMMADR 0x10
#define AGP_I965_MSAC 0x62
#define AGP_I965_MSAC_GMASIZE_128 0x00
#define AGP_I965_MSAC_GMASIZE_256 0x02
#define AGP_I965_MSAC_GMASIZE_512 0x06
#define AGP_I965_PGTBL_SIZE_1MB (3 << 1)
#define AGP_I965_PGTBL_SIZE_2MB (4 << 1)
#define AGP_I965_PGTBL_SIZE_1_5MB (5 << 1)
#define AGP_I965_PGTBL_CTL2 0x20c4
#define AGP_I965_IFPADDR 0x70
/*
* G33 registers
*/
#define AGP_G33_MGGC_GGMS_MASK (3 << 8)
#define AGP_G33_MGGC_GGMS_SIZE_1M (1 << 8)
#define AGP_G33_MGGC_GGMS_SIZE_2M (2 << 8)
#define AGP_G33_GCC1_GMS_STOLEN_128M 0x80
#define AGP_G33_GCC1_GMS_STOLEN_256M 0x90
/*
* G4X registers
*/
#define AGP_G4X_GMADR 0x20
#define AGP_G4X_MMADR 0x10
#define AGP_G4X_GTTADR 0x18
#define AGP_G4X_GCC1_GMS_STOLEN_96M 0xa0
#define AGP_G4X_GCC1_GMS_STOLEN_160M 0xb0
#define AGP_G4X_GCC1_GMS_STOLEN_224M 0xc0
#define AGP_G4X_GCC1_GMS_STOLEN_352M 0xd0
/*
* SandyBridge/IvyBridge registers
*/
#define AGP_SNB_GCC1 0x50
#define AGP_SNB_GMCH_GMS_STOLEN_MASK 0xF8
#define AGP_SNB_GMCH_GMS_STOLEN_32M (1 << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_64M (2 << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_96M (3 << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_128M (4 << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_160M (5 << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_192M (6 << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_224M (7 << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_256M (8 << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_288M (9 << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_320M (0xa << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_352M (0xb << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_384M (0xc << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_416M (0xd << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_448M (0xe << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_480M (0xf << 3)
#define AGP_SNB_GMCH_GMS_STOLEN_512M (0x10 << 3)
#define AGP_SNB_GTT_SIZE_0M (0 << 8)
#define AGP_SNB_GTT_SIZE_1M (1 << 8)
#define AGP_SNB_GTT_SIZE_2M (2 << 8)
#define AGP_SNB_GTT_SIZE_MASK (3 << 8)
#define AGP_SNB_GFX_MODE 0x02520
/*
* NVIDIA nForce/nForce2 registers
*/
#define AGP_NVIDIA_0_APBASE 0x10
#define AGP_NVIDIA_0_APSIZE 0x80
#define AGP_NVIDIA_1_WBC 0xf0
#define AGP_NVIDIA_2_GARTCTRL 0xd0
#define AGP_NVIDIA_2_APBASE 0xd8
#define AGP_NVIDIA_2_APLIMIT 0xdc
#define AGP_NVIDIA_2_ATTBASE(i) (0xe0 + (i) * 4)
#define AGP_NVIDIA_3_APBASE 0x50
#define AGP_NVIDIA_3_APLIMIT 0x54
/*
* AMD64 GART registers
*/
#define AGP_AMD64_APCTRL 0x90
#define AGP_AMD64_APBASE 0x94
#define AGP_AMD64_ATTBASE 0x98
#define AGP_AMD64_CACHECTRL 0x9c
#define AGP_AMD64_APCTRL_GARTEN 0x00000001
#define AGP_AMD64_APCTRL_SIZE_MASK 0x0000000e
#define AGP_AMD64_APCTRL_DISGARTCPU 0x00000010
#define AGP_AMD64_APCTRL_DISGARTIO 0x00000020
#define AGP_AMD64_APCTRL_DISWLKPRB 0x00000040
#define AGP_AMD64_APBASE_MASK 0x00007fff
#define AGP_AMD64_ATTBASE_MASK 0xfffffff0
#define AGP_AMD64_CACHECTRL_INVGART 0x00000001
#define AGP_AMD64_CACHECTRL_PTEERR 0x00000002
/*
* NVIDIA nForce3 registers
*/
#define AGP_AMD64_NVIDIA_0_APBASE 0x10
#define AGP_AMD64_NVIDIA_1_APBASE1 0x50
#define AGP_AMD64_NVIDIA_1_APLIMIT1 0x54
#define AGP_AMD64_NVIDIA_1_APSIZE 0xa8
#define AGP_AMD64_NVIDIA_1_APBASE2 0xd8
#define AGP_AMD64_NVIDIA_1_APLIMIT2 0xdc
/*
* ULi M1689 registers
*/
#define AGP_AMD64_ULI_APBASE 0x10
#define AGP_AMD64_ULI_HTT_FEATURE 0x50
#define AGP_AMD64_ULI_ENU_SCR 0x54
/*
* ATI IGP registers
*/
#define ATI_GART_MMADDR 0x14
#define ATI_RS100_APSIZE 0xac
#define ATI_RS100_IG_AGPMODE 0xb0
#define ATI_RS300_APSIZE 0xf8
#define ATI_RS300_IG_AGPMODE 0xfc
#define ATI_GART_FEATURE_ID 0x00
#define ATI_GART_BASE 0x04
#define ATI_GART_CACHE_CNTRL 0x0c
#endif /* !_PCI_AGPREG_H_ */