drivers/gpu/drm/vkms/vkms_drv.h

   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
  19 static const u32 vkms_formats[] = {
  20         DRM_FORMAT_XRGB8888,
  21 };
  22
  23 struct 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
  32 struct vkms_device {
  33         struct drm_device drm;
  34         struct platform_device *platform;
  35         struct vkms_output output;
  36 };
  37
  38 struct 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 */
  51 int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
  52                    struct drm_plane *primary, struct drm_plane *cursor);
  53
  54 bool 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
  58 int vkms_output_init(struct vkms_device *vkmsdev);
  59
  60 struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev);
  61
  62 /* Gem stuff */
  63 struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
  64                                        struct drm_file *file,
  65                                        u32 *handle,
  66                                        u64 size);
  67
  68 int vkms_gem_fault(struct vm_fault *vmf);
  69
  70 int vkms_dumb_create(struct drm_file *file, struct drm_device *dev,
  71                      struct drm_mode_create_dumb *args);
  72
  73 int vkms_dumb_map(struct drm_file *file, struct drm_device *dev,
  74                   u32 handle, u64 *offset);
  75
  76 void vkms_gem_free_object(struct drm_gem_object *obj);
  77
  78 #endif /* _VKMS_DRV_H_ */