diff options
Diffstat (limited to 'sys/pci/agpreg.h')
| -rw-r--r-- | sys/pci/agpreg.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/sys/pci/agpreg.h b/sys/pci/agpreg.h new file mode 100644 index 0000000..0539325 --- /dev/null +++ b/sys/pci/agpreg.h @@ -0,0 +1,109 @@ +/*- + * 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. + * + * $FreeBSD$ + */ + +#ifndef _PCI_AGPREG_H_ +#define _PCI_AGPREG_H_ + +/* + * Offsets for various AGP configuration registers. + */ +#define AGP_APBASE 0x10 +#define AGP_CAPPTR 0x34 + +/* + * Offsets from the AGP Capability pointer. + */ +#define AGP_CAPID 0x0 +#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. + */ +#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 VIA AGP chipsets. + */ +#define AGP_VIA_GARTCTRL 0x80 +#define AGP_VIA_APSIZE 0x84 +#define AGP_VIA_ATTBASE 0x88 + +/* + * 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 + +/* + * 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 + + +#endif /* !_PCI_AGPREG_H_ */ |
