drivers/gpu/drm/nouveau/nouveau_display.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NOUVEAU_DISPLAY_H__
   3 #define __NOUVEAU_DISPLAY_H__
   4 #include "nouveau_drv.h"
   5 #include <nvif/disp.h>
   6
   7 struct nouveau_framebuffer {
   8         struct drm_framebuffer base;
   9         struct nouveau_bo *nvbo;
  10         struct nouveau_vma *vma;
  11         u32 r_handle;
  12         u32 r_format;
  13         u32 r_pitch;
  14         struct nvif_object h_base[4];
  15         struct nvif_object h_core;
  16 };
  17
  18 static inline struct nouveau_framebuffer *
  19 nouveau_framebuffer(struct drm_framebuffer *fb)
  20 {
  21         return container_of(fb, struct nouveau_framebuffer, base);
  22 }
  23
  24 int nouveau_framebuffer_new(struct drm_device *,
  25                             const struct drm_mode_fb_cmd2 *,
  26                             struct nouveau_bo *, struct nouveau_framebuffer **);
  27
  28 struct nouveau_page_flip_state {
  29         struct list_head head;
  30         struct drm_pending_vblank_event *event;
  31         struct drm_crtc *crtc;
  32         int bpp, pitch;
  33         u64 offset;
  34 };
  35
  36 struct nouveau_display {
  37         void *priv;
  38         void (*dtor)(struct drm_device *);
  39         int  (*init)(struct drm_device *);
  40         void (*fini)(struct drm_device *);
  41
  42         struct nvif_disp disp;
  43
  44         struct drm_property *dithering_mode;
  45         struct drm_property *dithering_depth;
  46         struct drm_property *underscan_property;
  47         struct drm_property *underscan_hborder_property;
  48         struct drm_property *underscan_vborder_property;
  49         /* not really hue and saturation: */
  50         struct drm_property *vibrant_hue_property;
  51         struct drm_property *color_vibrance_property;
  52
  53         struct drm_atomic_state *suspend;
  54 };
  55
  56 static inline struct nouveau_display *
  57 nouveau_display(struct drm_device *dev)
  58 {
  59         return nouveau_drm(dev)->display;
  60 }
  61
  62 int  nouveau_display_create(struct drm_device *dev);
  63 void nouveau_display_destroy(struct drm_device *dev);
  64 int  nouveau_display_init(struct drm_device *dev);
  65 void nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime);
  66 int  nouveau_display_suspend(struct drm_device *dev, bool runtime);
  67 void nouveau_display_resume(struct drm_device *dev, bool runtime);
  68 int  nouveau_display_vblank_enable(struct drm_device *, unsigned int);
  69 void nouveau_display_vblank_disable(struct drm_device *, unsigned int);
  70 bool  nouveau_display_scanoutpos(struct drm_device *, unsigned int,
  71                                  bool, int *, int *, ktime_t *,
  72                                  ktime_t *, const struct drm_display_mode *);
  73
  74 int  nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
  75                             struct drm_pending_vblank_event *event,
  76                             uint32_t page_flip_flags,
  77                             struct drm_modeset_acquire_ctx *ctx);
  78 int  nouveau_finish_page_flip(struct nouveau_channel *,
  79                               struct nouveau_page_flip_state *);
  80
  81 int  nouveau_display_dumb_create(struct drm_file *, struct drm_device *,
  82                                  struct drm_mode_create_dumb *args);
  83 int  nouveau_display_dumb_map_offset(struct drm_file *, struct drm_device *,
  84                                      u32 handle, u64 *offset);
  85
  86 void nouveau_hdmi_mode_set(struct drm_encoder *, struct drm_display_mode *);
  87
  88 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
  89 extern int nouveau_backlight_init(struct drm_device *);
  90 extern void nouveau_backlight_exit(struct drm_device *);
  91 extern void nouveau_backlight_ctor(void);
  92 extern void nouveau_backlight_dtor(void);
  93 #else
  94 static inline int
  95 nouveau_backlight_init(struct drm_device *dev)
  96 {
  97         return 0;
  98 }
  99
 100 static inline void
 101 nouveau_backlight_exit(struct drm_device *dev) {
 102 }
 103
 104 static inline void
 105 nouveau_backlight_ctor(void) {
 106 }
 107
 108 static inline void
 109 nouveau_backlight_dtor(void) {
 110 }
 111 #endif
 112
 113 struct drm_framebuffer *
 114 nouveau_user_framebuffer_create(struct drm_device *, struct drm_file *,
 115                                 const struct drm_mode_fb_cmd2 *);
 116 #endif