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