From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/tegra/gem.h | 85 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 drivers/gpu/drm/tegra/gem.h (limited to 'drivers/gpu/drm/tegra/gem.h') diff --git a/drivers/gpu/drm/tegra/gem.h b/drivers/gpu/drm/tegra/gem.h new file mode 100644 index 000000000..cb5146a67 --- /dev/null +++ b/drivers/gpu/drm/tegra/gem.h @@ -0,0 +1,85 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Tegra host1x GEM implementation + * + * Copyright (c) 2012-2013, NVIDIA Corporation. + */ + +#ifndef __HOST1X_GEM_H +#define __HOST1X_GEM_H + +#include + +#include +#include + +#define TEGRA_BO_BOTTOM_UP (1 << 0) + +enum tegra_bo_tiling_mode { + TEGRA_BO_TILING_MODE_PITCH, + TEGRA_BO_TILING_MODE_TILED, + TEGRA_BO_TILING_MODE_BLOCK, +}; + +enum tegra_bo_sector_layout { + TEGRA_BO_SECTOR_LAYOUT_TEGRA, + TEGRA_BO_SECTOR_LAYOUT_GPU, +}; + +struct tegra_bo_tiling { + enum tegra_bo_tiling_mode mode; + unsigned long value; + enum tegra_bo_sector_layout sector_layout; +}; + +struct tegra_bo { + struct drm_gem_object gem; + struct host1x_bo base; + unsigned long flags; + struct sg_table *sgt; + dma_addr_t iova; + void *vaddr; + + struct drm_mm_node *mm; + unsigned long num_pages; + struct page **pages; + /* size of IOMMU mapping */ + size_t size; + + struct tegra_bo_tiling tiling; +}; + +static inline struct tegra_bo *to_tegra_bo(struct drm_gem_object *gem) +{ + return container_of(gem, struct tegra_bo, gem); +} + +static inline struct tegra_bo *host1x_to_tegra_bo(struct host1x_bo *bo) +{ + return container_of(bo, struct tegra_bo, base); +} + +struct tegra_bo *tegra_bo_create(struct drm_device *drm, size_t size, + unsigned long flags); +struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file, + struct drm_device *drm, + size_t size, + unsigned long flags, + u32 *handle); +void tegra_bo_free_object(struct drm_gem_object *gem); +int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm, + struct drm_mode_create_dumb *args); + +extern const struct vm_operations_struct tegra_bo_vm_ops; + +int __tegra_gem_mmap(struct drm_gem_object *gem, struct vm_area_struct *vma); +int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma); + +struct dma_buf *tegra_gem_prime_export(struct drm_gem_object *gem, + int flags); +struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm, + struct dma_buf *buf); + +struct host1x_bo *tegra_gem_lookup(struct drm_file *file, u32 handle); + +#endif -- cgit v1.2.3