1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 3 #ifndef _VKMS_DRV_H_ 4 #define _VKMS_DRV_H_ 5 6 #include <drm/drmP.h> 7 #include <drm/drm.h> 8 #include <drm/drm_gem.h> 9 #include <drm/drm_encoder.h> 10 #include <linux/hrtimer.h> 11 12 #define XRES_MIN 32 13 #define YRES_MIN 32 14 15 #define XRES_DEF 1024 16 #define YRES_DEF 768 17 18 #define XRES_MAX 8192 19 #define YRES_MAX 8192 20 21 static const u32 vkms_formats[] = { 22 DRM_FORMAT_XRGB8888, 23 }; 24 25 struct vkms_output { 26 struct drm_crtc crtc; 27 struct drm_encoder encoder; 28 struct drm_connector connector; 29 struct hrtimer vblank_hrtimer; 30 ktime_t period_ns; 31 struct drm_pending_vblank_event *event; 32 }; 33 34 struct vkms_device { 35 struct drm_device drm; 36 struct platform_device *platform; 37 struct vkms_output output; 38 }; 39 40 struct vkms_gem_object { 41 struct drm_gem_object gem; 42 struct mutex pages_lock; /* Page lock used in page fault handler */ 43 struct page **pages; 44 }; 45 46 #define drm_crtc_to_vkms_output(target) \ 47 container_of(target, struct vkms_output, crtc) 48 49 #define drm_device_to_vkms_device(target) \ 50 container_of(target, struct vkms_device, drm) 51 52 /* CRTC */ 53 int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, 54 struct drm_plane *primary, struct drm_plane *cursor); 55 56 bool vkms_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe, 57 int *max_error, ktime_t *vblank_time, 58 bool in_vblank_irq); 59 60 int vkms_output_init(struct vkms_device *vkmsdev); 61 62 struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev); 63 64 /* Gem stuff */ 65 int vkms_gem_fault(struct vm_fault *vmf); 66 67 int vkms_dumb_create(struct drm_file *file, struct drm_device *dev, 68 struct drm_mode_create_dumb *args); 69 70 int vkms_dumb_map(struct drm_file *file, struct drm_device *dev, 71 u32 handle, u64 *offset); 72 73 void vkms_gem_free_object(struct drm_gem_object *obj); 74 75 #endif /* _VKMS_DRV_H_ */ 76