1dee8268fSThierry Reding /* 2dee8268fSThierry Reding * Tegra host1x GEM implementation 3dee8268fSThierry Reding * 4dee8268fSThierry Reding * Copyright (c) 2012-2013, NVIDIA Corporation. 5dee8268fSThierry Reding * 6*9a2ac2dcSThierry Reding * This program is free software; you can redistribute it and/or modify 7*9a2ac2dcSThierry Reding * it under the terms of the GNU General Public License version 2 as 8*9a2ac2dcSThierry Reding * published by the Free Software Foundation. 9dee8268fSThierry Reding */ 10dee8268fSThierry Reding 11dee8268fSThierry Reding #ifndef __HOST1X_GEM_H 12dee8268fSThierry Reding #define __HOST1X_GEM_H 13dee8268fSThierry Reding 14dee8268fSThierry Reding #include <linux/host1x.h> 15dee8268fSThierry Reding 16dee8268fSThierry Reding #include <drm/drm.h> 17dee8268fSThierry Reding #include <drm/drmP.h> 18dee8268fSThierry Reding 19773af77fSThierry Reding #define TEGRA_BO_TILED (1 << 0) 20db7fbdfdSThierry Reding #define TEGRA_BO_BOTTOM_UP (1 << 1) 21773af77fSThierry Reding 22dee8268fSThierry Reding struct tegra_bo { 23dee8268fSThierry Reding struct drm_gem_object gem; 24dee8268fSThierry Reding struct host1x_bo base; 25773af77fSThierry Reding unsigned long flags; 263800391dSThierry Reding struct sg_table *sgt; 27dee8268fSThierry Reding dma_addr_t paddr; 28dee8268fSThierry Reding void *vaddr; 29dee8268fSThierry Reding }; 30dee8268fSThierry Reding 31dee8268fSThierry Reding static inline struct tegra_bo *to_tegra_bo(struct drm_gem_object *gem) 32dee8268fSThierry Reding { 33dee8268fSThierry Reding return container_of(gem, struct tegra_bo, gem); 34dee8268fSThierry Reding } 35dee8268fSThierry Reding 36773af77fSThierry Reding struct tegra_bo *tegra_bo_create(struct drm_device *drm, unsigned int size, 37773af77fSThierry Reding unsigned long flags); 38dee8268fSThierry Reding struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file, 39dee8268fSThierry Reding struct drm_device *drm, 40dee8268fSThierry Reding unsigned int size, 41773af77fSThierry Reding unsigned long flags, 42dee8268fSThierry Reding unsigned int *handle); 43dee8268fSThierry Reding void tegra_bo_free_object(struct drm_gem_object *gem); 44dee8268fSThierry Reding int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm, 45dee8268fSThierry Reding struct drm_mode_create_dumb *args); 46dee8268fSThierry Reding int tegra_bo_dumb_map_offset(struct drm_file *file, struct drm_device *drm, 47dee8268fSThierry Reding uint32_t handle, uint64_t *offset); 48dee8268fSThierry Reding 49dee8268fSThierry Reding int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma); 50dee8268fSThierry Reding 51dee8268fSThierry Reding extern const struct vm_operations_struct tegra_bo_vm_ops; 52dee8268fSThierry Reding 533800391dSThierry Reding struct dma_buf *tegra_gem_prime_export(struct drm_device *drm, 543800391dSThierry Reding struct drm_gem_object *gem, 553800391dSThierry Reding int flags); 563800391dSThierry Reding struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm, 573800391dSThierry Reding struct dma_buf *buf); 583800391dSThierry Reding 59dee8268fSThierry Reding #endif 60