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path: root/drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h
new file mode 100644
index 000000000000..b04c49d2eeeb
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h
@@ -0,0 +1,56 @@
+#ifndef __NVKM_DISP_HEAD_H__
+#define __NVKM_DISP_HEAD_H__
+#include "priv.h"
+
+struct nvkm_head {
+ const struct nvkm_head_func *func;
+ struct nvkm_disp *disp;
+ int id;
+
+ struct list_head head;
+
+ struct nvkm_head_state {
+ u16 htotal;
+ u16 hsynce;
+ u16 hblanke;
+ u16 hblanks;
+ u16 vtotal;
+ u16 vsynce;
+ u16 vblanke;
+ u16 vblanks;
+ u32 hz;
+
+ /* Prior to GF119, these are set by the OR. */
+ struct {
+ u8 depth;
+ } or;
+ } arm, asy;
+};
+
+int nvkm_head_new_(const struct nvkm_head_func *, struct nvkm_disp *, int id);
+void nvkm_head_del(struct nvkm_head **);
+int nvkm_head_mthd_scanoutpos(struct nvkm_object *,
+ struct nvkm_head *, void *, u32);
+struct nvkm_head *nvkm_head_find(struct nvkm_disp *, int id);
+
+struct nvkm_head_func {
+ void (*state)(struct nvkm_head *, struct nvkm_head_state *);
+ void (*rgpos)(struct nvkm_head *, u16 *hline, u16 *vline);
+ void (*rgclk)(struct nvkm_head *, int div);
+ void (*vblank_get)(struct nvkm_head *);
+ void (*vblank_put)(struct nvkm_head *);
+};
+
+void nv50_head_rgpos(struct nvkm_head *, u16 *, u16 *);
+
+#define HEAD_MSG(h,l,f,a...) do { \
+ struct nvkm_head *_h = (h); \
+ nvkm_##l(&_h->disp->engine.subdev, "head-%d: "f"\n", _h->id, ##a); \
+} while(0)
+#define HEAD_WARN(h,f,a...) HEAD_MSG((h), warn, f, ##a)
+#define HEAD_DBG(h,f,a...) HEAD_MSG((h), debug, f, ##a)
+
+int nv04_head_new(struct nvkm_disp *, int id);
+int nv50_head_new(struct nvkm_disp *, int id);
+int gf119_head_new(struct nvkm_disp *, int id);
+#endif