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