de2ba664c3
This patch introduces a memory manager for tegra drm and moves existing parts to use it. As cma framebuffer helpers can no more be used, this patch adds also a separate framebuffer driver for tegra. Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*
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* Tegra host1x GEM implementation
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*
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* Copyright (c) 2012-2013, NVIDIA Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __HOST1X_GEM_H
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#define __HOST1X_GEM_H
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#include <drm/drm.h>
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#include <drm/drmP.h>
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#include "host1x_bo.h"
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struct tegra_bo {
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struct drm_gem_object gem;
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struct host1x_bo base;
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dma_addr_t paddr;
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void *vaddr;
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};
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static inline struct tegra_bo *to_tegra_bo(struct drm_gem_object *gem)
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{
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return container_of(gem, struct tegra_bo, gem);
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}
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extern const struct host1x_bo_ops tegra_bo_ops;
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struct tegra_bo *tegra_bo_create(struct drm_device *drm, unsigned int size);
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struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file,
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struct drm_device *drm,
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unsigned int size,
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unsigned int *handle);
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void tegra_bo_free_object(struct drm_gem_object *gem);
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unsigned int tegra_bo_get_mmap_offset(struct tegra_bo *bo);
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int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm,
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struct drm_mode_create_dumb *args);
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int tegra_bo_dumb_map_offset(struct drm_file *file, struct drm_device *drm,
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uint32_t handle, uint64_t *offset);
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int tegra_bo_dumb_destroy(struct drm_file *file, struct drm_device *drm,
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unsigned int handle);
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int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma);
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extern const struct vm_operations_struct tegra_bo_vm_ops;
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#endif
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