linux/drivers/gpu/drm/nouveau/nouveau_software.h

70 lines
1.5 KiB
C

#ifndef __NOUVEAU_SOFTWARE_H__
#define __NOUVEAU_SOFTWARE_H__
struct nouveau_software_priv {
struct nouveau_exec_engine base;
struct list_head vblank;
};
struct nouveau_software_chan {
struct list_head flip;
struct {
struct list_head list;
struct nouveau_bo *bo;
u32 offset;
u32 value;
u32 head;
} vblank;
};
static inline void
nouveau_software_vblank(struct drm_device *dev, int crtc)
{
struct nouveau_software_priv *psw = nv_engine(dev, NVOBJ_ENGINE_SW);
struct nouveau_software_chan *pch, *tmp;
list_for_each_entry_safe(pch, tmp, &psw->vblank, vblank.list) {
if (pch->vblank.head != crtc)
continue;
nouveau_bo_wr32(pch->vblank.bo, pch->vblank.offset,
pch->vblank.value);
list_del(&pch->vblank.list);
drm_vblank_put(dev, crtc);
}
}
static inline void
nouveau_software_context_new(struct nouveau_software_chan *pch)
{
INIT_LIST_HEAD(&pch->flip);
}
static inline void
nouveau_software_create(struct nouveau_software_priv *psw)
{
INIT_LIST_HEAD(&psw->vblank);
}
static inline u16
nouveau_software_class(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
if (dev_priv->card_type <= NV_04)
return 0x006e;
if (dev_priv->card_type <= NV_40)
return 0x016e;
if (dev_priv->card_type <= NV_50)
return 0x506e;
if (dev_priv->card_type <= NV_E0)
return 0x906e;
return 0x0000;
}
int nv04_software_create(struct drm_device *);
int nv50_software_create(struct drm_device *);
int nvc0_software_create(struct drm_device *);
u64 nvc0_software_crtc(struct nouveau_channel *, int crtc);
#endif