src/broadcom/drm-shim/v3d.h

   1 /*
   2  * Copyright © 2018 Broadcom
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #ifndef DRM_SHIM_V3D_H
  25 #define DRM_SHIM_V3D_H
  26
  27 #include "broadcom/common/v3d_device_info.h"
  28 #include "util/vma.h"
  29
  30 struct drm_shim_fd;
  31
  32 struct v3d_shim_device {
  33         struct v3d_hw *hw;
  34         struct v3d_device_info *devinfo;
  35
  36         /* Base virtual address of the heap. */
  37         void *mem;
  38         /* Base hardware address of the heap. */
  39         uint32_t mem_base;
  40         /* Size of the heap. */
  41         size_t mem_size;
  42
  43         /* Allocator for the GPU virtual addresses. */
  44         struct util_vma_heap heap;
  45 };
  46 extern struct v3d_shim_device v3d;
  47
  48 struct v3d_bo {
  49         struct shim_bo base;
  50         uint64_t offset;
  51         void *sim_vaddr;
  52         void *gem_vaddr;
  53 };
  54
  55 static inline struct v3d_bo *
  56 v3d_bo(struct shim_bo *bo)
  57 {
  58         return (struct v3d_bo *)bo;
  59 }
  60
  61 struct v3d_bo *v3d_bo_lookup(struct shim_fd *shim_fd, int handle);
  62 int v3d_ioctl_wait_bo(int fd, unsigned long request, void *arg);
  63 int v3d_ioctl_mmap_bo(int fd, unsigned long request, void *arg);
  64 int v3d_ioctl_get_bo_offset(int fd, unsigned long request, void *arg);
  65
  66 void v3d33_drm_shim_driver_init(void);
  67 void v3d41_drm_shim_driver_init(void);
  68 void v3d42_drm_shim_driver_init(void);
  69
  70 #endif /* DRM_SHIM_V3D_H */