LXR linux/drivers/gpu/drm/vkms/vkms

   1#ifndef _VKMS_DRV_H_
   2#define _VKMS_DRV_H_
   3
   4#include <drm/drmP.h>
   5#include <drm/drm.h>
   6#include <drm/drm_gem.h>
   7#include <drm/drm_encoder.h>
   8#include <linux/hrtimer.h>
   9
  10#define XRES_MIN    32
  11#define YRES_MIN    32
  12
  13#define XRES_DEF  1024
  14#define YRES_DEF   768
  15
  16#define XRES_MAX  8192
  17#define YRES_MAX  8192
  18
  19static const u32 vkms_formats[] = {
  20        DRM_FORMAT_XRGB8888,
  21};
  22
  23struct vkms_output {
  24        struct drm_crtc crtc;
  25        struct drm_encoder encoder;
  26        struct drm_connector connector;
  27        struct hrtimer vblank_hrtimer;
  28        ktime_t period_ns;
  29        struct drm_pending_vblank_event *event;
  30};
  31
  32struct vkms_device {
  33        struct drm_device drm;
  34        struct platform_device *platform;
  35        struct vkms_output output;
  36};
  37
  38struct vkms_gem_object {
  39        struct drm_gem_object gem;
  40        struct mutex pages_lock; /* Page lock used in page fault handler */
  41        struct page **pages;
  42};
  43
  44#define drm_crtc_to_vkms_output(target) \
  45        container_of(target, struct vkms_output, crtc)
  46
  47#define drm_device_to_vkms_device(target) \
  48        container_of(target, struct vkms_device, drm)
  49
  50/* CRTC */
  51int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
  52                   struct drm_plane *primary, struct drm_plane *cursor);
  53
  54bool vkms_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe,
  55                               int *max_error, ktime_t *vblank_time,
  56                               bool in_vblank_irq);
  57
  58int vkms_output_init(struct vkms_device *vkmsdev);
  59
  60struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev);
  61
  62/* Gem stuff */
  63struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
  64                                       struct drm_file *file,
  65                                       u32 *handle,
  66                                       u64 size);
  67
  68int vkms_gem_fault(struct vm_fault *vmf);
  69
  70int vkms_dumb_create(struct drm_file *file, struct drm_device *dev,
  71                     struct drm_mode_create_dumb *args);
  72
  73int vkms_dumb_map(struct drm_file *file, struct drm_device *dev,
  74                  u32 handle, u64 *offset);
  75
  76void vkms_gem_free_object(struct drm_gem_object *obj);
  77
  78#endif /* _VKMS_DRV_H_ */
  79