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/*
* AGPGART module version 0.99
* Copyright (C) 1999 Jeff Hartmann
* Copyright (C) 1999 Precision Insight, Inc.
* Copyright (C) 1999 Xi Graphics, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef _AGP_BACKEND_H
#define _AGP_BACKEND_H 1
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#define AGPGART_VERSION_MAJOR 0
#define AGPGART_VERSION_MINOR 99
enum chipset_type {
NOT_SUPPORTED,
INTEL_GENERIC,
INTEL_LX,
INTEL_BX,
INTEL_GX,
INTEL_I810,
INTEL_I815,
INTEL_I840,
INTEL_I850,
VIA_GENERIC,
VIA_VP3,
VIA_MVP3,
VIA_MVP4,
VIA_APOLLO_PRO,
VIA_APOLLO_KX133,
VIA_APOLLO_KT133,
SIS_GENERIC,
AMD_GENERIC,
AMD_IRONGATE,
ALI_M1541,
ALI_M1621,
ALI_M1631,
ALI_M1632,
ALI_M1641,
ALI_M1647,
ALI_M1651,
ALI_GENERIC,
SVWRKS_HE,
SVWRKS_LE,
SVWRKS_GENERIC
};
typedef struct _agp_version {
u16 major;
u16 minor;
} agp_version;
typedef struct _agp_kern_info {
agp_version version;
struct pci_dev *device;
enum chipset_type chipset;
unsigned long mode;
off_t aper_base;
size_t aper_size;
int max_memory; /* In pages */
int current_memory;
int cant_use_aperture;
unsigned long page_mask;
} agp_kern_info;
/*
* The agp_memory structure has information
* about the block of agp memory allocated.
* A caller may manipulate the next and prev
* pointers to link each allocated item into
* a list. These pointers are ignored by the
* backend. Everything else should never be
* written to, but the caller may read any of
* the items to detrimine the status of this
* block of agp memory.
*
*/
typedef struct _agp_memory {
int key;
struct _agp_memory *next;
struct _agp_memory *prev;
size_t page_count;
int num_scratch_pages;
unsigned long *memory;
off_t pg_start;
u32 type;
u32 physical;
u8 is_bound;
u8 is_flushed;
} agp_memory;
#define AGP_NORMAL_MEMORY 0
#endif /* _AGP_BACKEND_H */
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