6 #include <drm/drm_gem.h>
7 #include <drm/drm_encoder.h>
8 #include <linux/hrtimer.h>
19 static const u32 vkms_formats[] = {
23 static const u32 vkms_cursor_formats[] = {
27 struct vkms_crc_data {
29 struct drm_framebuffer fb;
33 * vkms_plane_state - Driver specific plane state
34 * @base: base plane state
35 * @crc_data: data required for CRC computation
37 struct vkms_plane_state {
38 struct drm_plane_state base;
39 struct vkms_crc_data *crc_data;
43 * vkms_crtc_state - Driver specific CRTC state
44 * @base: base CRTC state
45 * @crc_work: work struct to compute and add CRC entries
46 * @n_frame_start: start frame number for computed CRC
47 * @n_frame_end: end frame number for computed CRC
49 struct vkms_crtc_state {
50 struct drm_crtc_state base;
51 struct work_struct crc_work;
58 struct drm_encoder encoder;
59 struct drm_connector connector;
60 struct hrtimer vblank_hrtimer;
62 struct drm_pending_vblank_event *event;
64 /* ordered wq for crc_work */
65 struct workqueue_struct *crc_workq;
66 /* protects concurrent access to crc_data */
68 /* protects concurrent access to crtc_state */
69 spinlock_t state_lock;
73 struct drm_device drm;
74 struct platform_device *platform;
75 struct vkms_output output;
78 struct vkms_gem_object {
79 struct drm_gem_object gem;
80 struct mutex pages_lock; /* Page lock used in page fault handler */
82 unsigned int vmap_count;
86 #define drm_crtc_to_vkms_output(target) \
87 container_of(target, struct vkms_output, crtc)
89 #define drm_device_to_vkms_device(target) \
90 container_of(target, struct vkms_device, drm)
92 #define drm_gem_to_vkms_gem(target)\
93 container_of(target, struct vkms_gem_object, gem)
95 #define to_vkms_crtc_state(target)\
96 container_of(target, struct vkms_crtc_state, base)
98 #define to_vkms_plane_state(target)\
99 container_of(target, struct vkms_plane_state, base)
102 int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
103 struct drm_plane *primary, struct drm_plane *cursor);
105 bool vkms_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe,
106 int *max_error, ktime_t *vblank_time,
109 int vkms_output_init(struct vkms_device *vkmsdev);
111 struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev,
112 enum drm_plane_type type);
115 struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
116 struct drm_file *file,
120 vm_fault_t vkms_gem_fault(struct vm_fault *vmf);
122 int vkms_dumb_create(struct drm_file *file, struct drm_device *dev,
123 struct drm_mode_create_dumb *args);
125 int vkms_dumb_map(struct drm_file *file, struct drm_device *dev,
126 u32 handle, u64 *offset);
128 void vkms_gem_free_object(struct drm_gem_object *obj);
130 int vkms_gem_vmap(struct drm_gem_object *obj);
132 void vkms_gem_vunmap(struct drm_gem_object *obj);
135 int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name);
136 int vkms_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
138 void vkms_crc_work_handle(struct work_struct *work);
140 #endif /* _VKMS_DRV_H_ */