76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
/* $NetBSD: agp_i810var.h,v 1.7 2018/08/27 00:51:37 riastradh Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2000 Doug Rabson
|
|
* Copyright (c) 2000 Ruslan Ermilov
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/bus.h>
|
|
|
|
#include <dev/pci/pcivar.h>
|
|
|
|
#include <dev/pci/agpvar.h>
|
|
|
|
struct agp_i810_softc {
|
|
struct pci_attach_args vga_pa; /* integrated graphics device args */
|
|
int chiptype; /* chipset family: i810, i830, &c. */
|
|
uint32_t stolen; /* pages of stolen graphics memory */
|
|
|
|
/* Memory-mapped I/O for integrated graphics device registers. */
|
|
bus_space_tag_t bst;
|
|
bus_space_handle_t bsh;
|
|
bus_size_t size;
|
|
|
|
/* Graphics translation table. */
|
|
bus_space_tag_t gtt_bst;
|
|
bus_space_handle_t gtt_bsh;
|
|
bus_size_t gtt_size;
|
|
|
|
/* Chipset flush page. */
|
|
bus_space_tag_t flush_bst;
|
|
bus_space_handle_t flush_bsh;
|
|
bus_addr_t flush_addr;
|
|
|
|
/* i810-only fields. */
|
|
struct agp_gatt *gatt; /* i810-only OS-allocated GTT */
|
|
uint32_t dcache_size; /* i810-only on-chip memory size */
|
|
|
|
/* Cached pgtblctl register for resume. */
|
|
pcireg_t pgtblctl;
|
|
};
|
|
|
|
extern struct agp_softc *agp_i810_sc;
|
|
|
|
#define AGP_I810_GTT_VALID 0x01
|
|
#define AGP_I810_GTT_I810_DCACHE 0x02 /* i810-only */
|
|
#define AGP_I810_GTT_CACHED 0x06 /* >=i830 */
|
|
|
|
int agp_i810_write_gtt_entry(struct agp_i810_softc *, off_t, bus_addr_t,
|
|
int);
|
|
void agp_i810_post_gtt_entry(struct agp_i810_softc *, off_t);
|
|
void agp_i810_chipset_flush(struct agp_i810_softc *);
|
|
void agp_i810_reset(struct agp_i810_softc *);
|