drm/nouveau/bus: add interfaces/helpers for sequencer

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / gpu / drm / nouveau / core / include / subdev / bus.h

diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bus.h b/drivers/gpu/drm/nouveau/core/include/subdev/bus.h
index 837401d..697f7ce 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/include/subdev/bus.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/bus.h
@@ -11,6 +11,8 @@ struct nouveau_bus_intr {
 
 struct nouveau_bus {
        struct nouveau_subdev base;
+       int (*hwsq_exec)(struct nouveau_bus *, u32 *, u32);
+       u32 hwsq_size;
 };
 
 static inline struct nouveau_bus *
@@ -36,6 +38,16 @@ nouveau_bus(void *obj)
 extern struct nouveau_oclass *nv04_bus_oclass;
 extern struct nouveau_oclass *nv31_bus_oclass;
 extern struct nouveau_oclass *nv50_bus_oclass;
+extern struct nouveau_oclass *nv94_bus_oclass;
 extern struct nouveau_oclass *nvc0_bus_oclass;
 
+/* interface to sequencer */
+struct nouveau_hwsq;
+int  nouveau_hwsq_init(struct nouveau_bus *, struct nouveau_hwsq **);
+int  nouveau_hwsq_fini(struct nouveau_hwsq **, bool exec);
+void nouveau_hwsq_wr32(struct nouveau_hwsq *, u32 addr, u32 data);
+void nouveau_hwsq_setf(struct nouveau_hwsq *, u8 flag, int data);
+void nouveau_hwsq_wait(struct nouveau_hwsq *, u8 flag, u8 data);
+void nouveau_hwsq_nsec(struct nouveau_hwsq *, u32 nsec);
+
 #endif