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 static const u32 vkms_formats[] = {
27 static const u32 vkms_cursor_formats[] = {
31 struct vkms_crc_data {
32 struct drm_framebuffer fb;
33 struct drm_rect src, dst;
40 * vkms_plane_state - Driver specific plane state
41 * @base: base plane state
42 * @crc_data: data required for CRC computation
44 struct vkms_plane_state {
45 struct drm_plane_state base;
46 struct vkms_crc_data *crc_data;
50 * vkms_crtc_state - Driver specific CRTC state
51 * @base: base CRTC state
52 * @crc_work: work struct to compute and add CRC entries
53 * @n_frame_start: start frame number for computed CRC
54 * @n_frame_end: end frame number for computed CRC
56 struct vkms_crtc_state {
57 struct drm_crtc_state base;
58 struct work_struct crc_work;
65 struct drm_encoder encoder;
66 struct drm_connector connector;
67 struct hrtimer vblank_hrtimer;
69 struct drm_pending_vblank_event *event;
71 /* ordered wq for crc_work */
72 struct workqueue_struct *crc_workq;
73 /* protects concurrent access to crc_data */
75 /* protects concurrent access to crtc_state */
76 spinlock_t state_lock;
80 struct drm_device drm;
81 struct platform_device *platform;
82 struct vkms_output output;
85 struct vkms_gem_object {
86 struct drm_gem_object gem;
87 struct mutex pages_lock; /* Page lock used in page fault handler */
89 unsigned int vmap_count;
93 #define drm_crtc_to_vkms_output(target) \
94 container_of(target, struct vkms_output, crtc)
96 #define drm_device_to_vkms_device(target) \
97 container_of(target, struct vkms_device, drm)
99 #define drm_gem_to_vkms_gem(target)\
100 container_of(target, struct vkms_gem_object, gem)
102 #define to_vkms_crtc_state(target)\
103 container_of(target, struct vkms_crtc_state, base)
105 #define to_vkms_plane_state(target)\
106 container_of(target, struct vkms_plane_state, base)
109 int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
110 struct drm_plane *primary, struct drm_plane *cursor);
112 bool vkms_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe,
113 int *max_error, ktime_t *vblank_time,
116 int vkms_output_init(struct vkms_device *vkmsdev);
118 struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev,
119 enum drm_plane_type type);
122 struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
123 struct drm_file *file,
127 vm_fault_t vkms_gem_fault(struct vm_fault *vmf);
129 int vkms_dumb_create(struct drm_file *file, struct drm_device *dev,
130 struct drm_mode_create_dumb *args);
132 void vkms_gem_free_object(struct drm_gem_object *obj);
134 int vkms_gem_vmap(struct drm_gem_object *obj);
136 void vkms_gem_vunmap(struct drm_gem_object *obj);
139 int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name);
140 int vkms_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
142 void vkms_crc_work_handle(struct work_struct *work);
144 #endif /* _VKMS_DRV_H_ */