1 /* SPDX-License-Identifier: GPL-2.0+ */
6 #include <linux/hrtimer.h>
9 #include <drm/drm_gem.h>
10 #include <drm/drm_encoder.h>
11 #include <drm/drm_writeback.h>
22 extern bool enable_cursor;
24 struct vkms_composer {
25 struct drm_framebuffer fb;
26 struct drm_rect src, dst;
33 * vkms_plane_state - Driver specific plane state
34 * @base: base plane state
35 * @composer: data required for composing computation
37 struct vkms_plane_state {
38 struct drm_plane_state base;
39 struct vkms_composer *composer;
43 * vkms_crtc_state - Driver specific CRTC state
44 * @base: base CRTC state
45 * @composer_work: work struct to compose 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 composer_work;
53 int num_active_planes;
54 /* stack of active planes for crc computation, should be in z order */
55 struct vkms_plane_state **active_planes;
56 void *active_writeback;
58 /* below four are protected by vkms_output.composer_lock */
67 struct drm_encoder encoder;
68 struct drm_connector connector;
69 struct drm_writeback_connector wb_connector;
70 struct hrtimer vblank_hrtimer;
72 struct drm_pending_vblank_event *event;
73 /* ordered wq for composer_work */
74 struct workqueue_struct *composer_workq;
75 /* protects concurrent access to composer */
78 /* protected by @lock */
79 bool composer_enabled;
80 struct vkms_crtc_state *composer_state;
82 spinlock_t composer_lock;
86 struct drm_device drm;
87 struct platform_device *platform;
88 struct vkms_output output;
91 struct vkms_gem_object {
92 struct drm_gem_object gem;
93 struct mutex pages_lock; /* Page lock used in page fault handler */
95 unsigned int vmap_count;
99 #define drm_crtc_to_vkms_output(target) \
100 container_of(target, struct vkms_output, crtc)
102 #define drm_device_to_vkms_device(target) \
103 container_of(target, struct vkms_device, drm)
105 #define drm_gem_to_vkms_gem(target)\
106 container_of(target, struct vkms_gem_object, gem)
108 #define to_vkms_crtc_state(target)\
109 container_of(target, struct vkms_crtc_state, base)
111 #define to_vkms_plane_state(target)\
112 container_of(target, struct vkms_plane_state, base)
115 int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
116 struct drm_plane *primary, struct drm_plane *cursor);
118 int vkms_output_init(struct vkms_device *vkmsdev, int index);
120 struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev,
121 enum drm_plane_type type, int index);
124 vm_fault_t vkms_gem_fault(struct vm_fault *vmf);
126 int vkms_dumb_create(struct drm_file *file, struct drm_device *dev,
127 struct drm_mode_create_dumb *args);
129 void vkms_gem_free_object(struct drm_gem_object *obj);
131 int vkms_gem_vmap(struct drm_gem_object *obj);
133 void vkms_gem_vunmap(struct drm_gem_object *obj);
136 struct drm_gem_object *
137 vkms_prime_import_sg_table(struct drm_device *dev,
138 struct dma_buf_attachment *attach,
139 struct sg_table *sg);
142 const char *const *vkms_get_crc_sources(struct drm_crtc *crtc,
144 int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name);
145 int vkms_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
148 /* Composer Support */
149 void vkms_composer_worker(struct work_struct *work);
150 void vkms_set_composer(struct vkms_output *out, bool enabled);
153 int vkms_enable_writeback_connector(struct vkms_device *vkmsdev);
155 #endif /* _VKMS_DRV_H_ */