^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Copyright © 2012 Red Hat
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2009-2010, Code Aurora Forum.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Permission is hereby granted, free of charge, to any person obtaining a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * copy of this software and associated documentation files (the "Software"),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * to deal in the Software without restriction, including without limitation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * the rights to use, copy, modify, merge, publish, distribute, sublicense,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * and/or sell copies of the Software, and to permit persons to whom the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Software is furnished to do so, subject to the following conditions:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * The above copyright notice and this permission notice (including the next
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * paragraph) shall be included in all copies or substantial portions of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * Software.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * IN THE SOFTWARE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * Authors:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * Dave Airlie <airlied@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * Rob Clark <rob.clark@linaro.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #ifndef __DRM_PRIME_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define __DRM_PRIME_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <linux/rbtree.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include <linux/scatterlist.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * struct drm_prime_file_private - per-file tracking for PRIME
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * This just contains the internal &struct dma_buf and handle caches for each
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * &struct drm_file used by the PRIME core code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct drm_prime_file_private {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /* private: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct rb_root dmabufs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct rb_root handles;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct dma_buf_export_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct dma_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct dma_buf_attachment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) enum dma_data_direction;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct drm_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct drm_gem_object;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct drm_file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) /* core prime functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) struct dma_buf_export_info *exp_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) void drm_gem_dmabuf_release(struct dma_buf *dma_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) int drm_gem_prime_fd_to_handle(struct drm_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct drm_file *file_priv, int prime_fd, uint32_t *handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) int drm_gem_prime_handle_to_fd(struct drm_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct drm_file *file_priv, uint32_t handle, uint32_t flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) int *prime_fd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) /* helper functions for exporting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) int drm_gem_map_attach(struct dma_buf *dma_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct dma_buf_attachment *attach);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) void drm_gem_map_detach(struct dma_buf *dma_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) struct dma_buf_attachment *attach);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) enum dma_data_direction dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) void drm_gem_unmap_dma_buf(struct dma_buf_attachment *attach,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct sg_table *sgt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) enum dma_data_direction dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) void *drm_gem_dmabuf_vmap(struct dma_buf *dma_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int drm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct sg_table *drm_prime_pages_to_sg(struct drm_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct page **pages, unsigned int nr_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) struct dma_buf *drm_gem_prime_export(struct drm_gem_object *obj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) unsigned long drm_prime_get_contiguous_size(struct sg_table *sgt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) /* helper functions for importing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct dma_buf *dma_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) struct device *attach_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct dma_buf *dma_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) dma_addr_t *addrs, int max_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) int drm_gem_dmabuf_get_uuid(struct dma_buf *dma_buf, uuid_t *uuid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #endif /* __DRM_PRIME_H__ */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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