1 /* SPDX-License-Identifier: GPL-2.0+ */
8 #include <drm/drm_gem.h>
9 #include <drm/drm_encoder.h>
10 #include <linux/hrtimer.h>
21 extern bool enable_cursor;
23 struct vkms_crc_data {
24 struct drm_framebuffer fb;
25 struct drm_rect src, dst;
32 * vkms_plane_state - Driver specific plane state
33 * @base: base plane state
34 * @crc_data: data required for CRC computation
36 struct vkms_plane_state {
37 struct drm_plane_state base;
38 struct vkms_crc_data *crc_data;
42 * vkms_crtc_state - Driver specific CRTC state
43 * @base: base CRTC state
44 * @crc_work: work struct to compute and add CRC entries
45 * @n_frame_start: start frame number for computed CRC
46 * @n_frame_end: end frame number for computed CRC
48 struct vkms_crtc_state {
49 struct drm_crtc_state base;
50 struct work_struct crc_work;
59 struct drm_encoder encoder;
60 struct drm_connector connector;
61 struct hrtimer vblank_hrtimer;
63 struct drm_pending_vblank_event *event;
65 /* ordered wq for crc_work */
66 struct workqueue_struct *crc_workq;
67 /* protects concurrent access to crc_data */
69 /* protects concurrent access to crtc_state */
70 spinlock_t state_lock;
74 struct drm_device drm;
75 struct platform_device *platform;
76 struct vkms_output output;
79 struct vkms_gem_object {
80 struct drm_gem_object gem;
81 struct mutex pages_lock; /* Page lock used in page fault handler */
83 unsigned int vmap_count;
87 #define drm_crtc_to_vkms_output(target) \
88 container_of(target, struct vkms_output, crtc)
90 #define drm_device_to_vkms_device(target) \
91 container_of(target, struct vkms_device, drm)
93 #define drm_gem_to_vkms_gem(target)\
94 container_of(target, struct vkms_gem_object, gem)
96 #define to_vkms_crtc_state(target)\
97 container_of(target, struct vkms_crtc_state, base)
99 #define to_vkms_plane_state(target)\
100 container_of(target, struct vkms_plane_state, base)
103 int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
104 struct drm_plane *primary, struct drm_plane *cursor);
106 bool vkms_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe,
107 int *max_error, ktime_t *vblank_time,
110 int vkms_output_init(struct vkms_device *vkmsdev, int index);
112 struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev,
113 enum drm_plane_type type, int index);
116 struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
117 struct drm_file *file,
121 vm_fault_t vkms_gem_fault(struct vm_fault *vmf);
123 int vkms_dumb_create(struct drm_file *file, struct drm_device *dev,
124 struct drm_mode_create_dumb *args);
126 void vkms_gem_free_object(struct drm_gem_object *obj);
128 int vkms_gem_vmap(struct drm_gem_object *obj);
130 void vkms_gem_vunmap(struct drm_gem_object *obj);
133 const char *const *vkms_get_crc_sources(struct drm_crtc *crtc,
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_ */