diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/gtt.h')
| -rw-r--r-- | drivers/gpu/drm/gma500/gtt.h | 53 |
1 files changed, 13 insertions, 40 deletions
diff --git a/drivers/gpu/drm/gma500/gtt.h b/drivers/gpu/drm/gma500/gtt.h index cb0c3a2a1fd4..d5a5fd4466c1 100644 --- a/drivers/gpu/drm/gma500/gtt.h +++ b/drivers/gpu/drm/gma500/gtt.h @@ -1,28 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /************************************************************************** * Copyright (c) 2007-2008, Intel Corporation. * All Rights Reserved. * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * **************************************************************************/ #ifndef _PSB_GTT_H_ #define _PSB_GTT_H_ -#include <drm/drmP.h> #include <drm/drm_gem.h> +struct drm_psb_private; + /* This wants cleaning up with respect to the psb_dev and un-needed stuff */ struct psb_gtt { uint32_t gatt_start; @@ -33,36 +22,20 @@ struct psb_gtt { unsigned gatt_pages; unsigned long stolen_size; unsigned long vram_stolen_size; - struct rw_semaphore sem; }; /* Exported functions */ -extern int psb_gtt_init(struct drm_device *dev, int resume); -extern void psb_gtt_takedown(struct drm_device *dev); +int psb_gtt_init(struct drm_device *dev); +void psb_gtt_fini(struct drm_device *dev); +int psb_gtt_resume(struct drm_device *dev); -/* Each gtt_range describes an allocation in the GTT area */ -struct gtt_range { - struct resource resource; /* Resource for our allocation */ - u32 offset; /* GTT offset of our object */ - struct drm_gem_object gem; /* GEM high level stuff */ - int in_gart; /* Currently in the GART (ref ct) */ - bool stolen; /* Backed from stolen RAM */ - bool mmapping; /* Is mmappable */ - struct page **pages; /* Backing pages if present */ - int npage; /* Number of backing pages */ - int roll; /* Roll applied to the GTT entries */ -}; +int psb_gtt_allocate_resource(struct drm_psb_private *pdev, struct resource *res, + const char *name, resource_size_t size, resource_size_t align, + bool stolen, u32 *offset); -#define to_gtt_range(x) container_of(x, struct gtt_range, gem) +uint32_t psb_gtt_mask_pte(uint32_t pfn, int type); +void psb_gtt_insert_pages(struct drm_psb_private *pdev, const struct resource *res, + struct page **pages); +void psb_gtt_remove_pages(struct drm_psb_private *pdev, const struct resource *res); -extern struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len, - const char *name, int backed, - u32 align); -extern void psb_gtt_kref_put(struct gtt_range *gt); -extern void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt); -extern int psb_gtt_pin(struct gtt_range *gt); -extern void psb_gtt_unpin(struct gtt_range *gt); -extern void psb_gtt_roll(struct drm_device *dev, - struct gtt_range *gt, int roll); -extern int psb_gtt_restore(struct drm_device *dev); #endif |