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_ */ 79
