102 lines
3.9 KiB
C
102 lines
3.9 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2011 The FreeBSD Foundation
|
|
*
|
|
* This software was developed by Konstantin Belousov under sponsorship from
|
|
* the FreeBSD Foundation.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef AGP_AGP_I810_H
|
|
#define AGP_AGP_I810_H
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/rman.h>
|
|
#include <sys/sglist.h>
|
|
|
|
#include <vm/vm.h>
|
|
#include <vm/vm_page.h>
|
|
|
|
/* Special gtt memory types */
|
|
#define AGP_DCACHE_MEMORY 1
|
|
#define AGP_PHYS_MEMORY 2
|
|
|
|
/* New caching attributes for gen6/sandybridge */
|
|
#define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2)
|
|
#define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4)
|
|
|
|
/* flag for GFDT type */
|
|
#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
|
|
|
|
struct intel_gtt {
|
|
/* Size of memory reserved for graphics by the BIOS */
|
|
unsigned int stolen_size;
|
|
/* Total number of gtt entries. */
|
|
unsigned int gtt_total_entries;
|
|
/* Part of the gtt that is mappable by the cpu, for those chips where
|
|
* this is not the full gtt. */
|
|
unsigned int gtt_mappable_entries;
|
|
/* Whether i915 needs to use the dmar apis or not. */
|
|
unsigned int needs_dmar : 1;
|
|
/* Whether we idle the gpu before mapping/unmapping */
|
|
unsigned int do_idle_maps : 1;
|
|
/* Share the scratch page dma with ppgtts. */
|
|
vm_paddr_t scratch_page_dma;
|
|
vm_page_t scratch_page;
|
|
/* for ppgtt PDE access */
|
|
uint32_t *gtt;
|
|
/* needed for ioremap in drm/i915 */
|
|
bus_addr_t gma_bus_addr;
|
|
};
|
|
|
|
struct intel_gtt agp_intel_gtt_get(device_t dev);
|
|
int agp_intel_gtt_chipset_flush(device_t dev);
|
|
void agp_intel_gtt_unmap_memory(device_t dev, struct sglist *sg_list);
|
|
void agp_intel_gtt_clear_range(device_t dev, u_int first_entry,
|
|
u_int num_entries);
|
|
int agp_intel_gtt_map_memory(device_t dev, vm_page_t *pages, u_int num_entries,
|
|
struct sglist **sg_list);
|
|
void agp_intel_gtt_insert_sg_entries(device_t dev, struct sglist *sg_list,
|
|
u_int pg_start, u_int flags);
|
|
void agp_intel_gtt_insert_pages(device_t dev, u_int first_entry,
|
|
u_int num_entries, vm_page_t *pages, u_int flags);
|
|
|
|
struct intel_gtt *intel_gtt_get(void);
|
|
int intel_gtt_chipset_flush(void);
|
|
void intel_gtt_unmap_memory(struct sglist *sg_list);
|
|
void intel_gtt_clear_range(u_int first_entry, u_int num_entries);
|
|
void intel_gtt_install_pte(u_int index, vm_paddr_t addr, u_int flags);
|
|
int intel_gtt_map_memory(vm_page_t *pages, u_int num_entries,
|
|
struct sglist **sg_list);
|
|
void intel_gtt_insert_sg_entries(struct sglist *sg_list, u_int pg_start,
|
|
u_int flags);
|
|
void intel_gtt_insert_pages(u_int first_entry, u_int num_entries,
|
|
vm_page_t *pages, u_int flags);
|
|
vm_paddr_t intel_gtt_read_pte_paddr(u_int entry);
|
|
u_int32_t intel_gtt_read_pte(u_int entry);
|
|
device_t intel_gtt_get_bridge_device(void);
|
|
void intel_gtt_write(u_int entry, uint32_t val);
|
|
|
|
#endif
|