X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Finclude%2Fnvkm%2Fengine%2Ffifo.h;fp=kernel%2Fdrivers%2Fgpu%2Fdrm%2Fnouveau%2Finclude%2Fnvkm%2Fengine%2Ffifo.h;h=97cdeab8e44c2463c4eda905937fb721dca0d1a9;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git

diff --git a/kernel/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h b/kernel/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
new file mode 100644
index 000000000..97cdeab8e
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h
@@ -0,0 +1,127 @@
+#ifndef __NVKM_FIFO_H__
+#define __NVKM_FIFO_H__
+#include <core/namedb.h>
+
+struct nvkm_fifo_chan {
+	struct nvkm_namedb namedb;
+	struct nvkm_dmaobj *pushdma;
+	struct nvkm_gpuobj *pushgpu;
+	void __iomem *user;
+	u64 addr;
+	u32 size;
+	u16 chid;
+	atomic_t refcnt; /* NV04_NVSW_SET_REF */
+};
+
+static inline struct nvkm_fifo_chan *
+nvkm_fifo_chan(void *obj)
+{
+	return (void *)nv_namedb(obj);
+}
+
+#define nvkm_fifo_channel_create(p,e,c,b,a,s,n,m,d)                         \
+	nvkm_fifo_channel_create_((p), (e), (c), (b), (a), (s), (n),        \
+				     (m), sizeof(**d), (void **)d)
+#define nvkm_fifo_channel_init(p)                                           \
+	nvkm_namedb_init(&(p)->namedb)
+#define nvkm_fifo_channel_fini(p,s)                                         \
+	nvkm_namedb_fini(&(p)->namedb, (s))
+
+int  nvkm_fifo_channel_create_(struct nvkm_object *,
+				  struct nvkm_object *,
+				  struct nvkm_oclass *,
+				  int bar, u32 addr, u32 size, u32 push,
+				  u64 engmask, int len, void **);
+void nvkm_fifo_channel_destroy(struct nvkm_fifo_chan *);
+
+#define _nvkm_fifo_channel_init _nvkm_namedb_init
+#define _nvkm_fifo_channel_fini _nvkm_namedb_fini
+
+void _nvkm_fifo_channel_dtor(struct nvkm_object *);
+int  _nvkm_fifo_channel_map(struct nvkm_object *, u64 *, u32 *);
+u32  _nvkm_fifo_channel_rd32(struct nvkm_object *, u64);
+void _nvkm_fifo_channel_wr32(struct nvkm_object *, u64, u32);
+int  _nvkm_fifo_channel_ntfy(struct nvkm_object *, u32, struct nvkm_event **);
+
+#include <core/gpuobj.h>
+
+struct nvkm_fifo_base {
+	struct nvkm_gpuobj gpuobj;
+};
+
+#define nvkm_fifo_context_create(p,e,c,g,s,a,f,d)                           \
+	nvkm_gpuobj_create((p), (e), (c), 0, (g), (s), (a), (f), (d))
+#define nvkm_fifo_context_destroy(p)                                        \
+	nvkm_gpuobj_destroy(&(p)->gpuobj)
+#define nvkm_fifo_context_init(p)                                           \
+	nvkm_gpuobj_init(&(p)->gpuobj)
+#define nvkm_fifo_context_fini(p,s)                                         \
+	nvkm_gpuobj_fini(&(p)->gpuobj, (s))
+
+#define _nvkm_fifo_context_dtor _nvkm_gpuobj_dtor
+#define _nvkm_fifo_context_init _nvkm_gpuobj_init
+#define _nvkm_fifo_context_fini _nvkm_gpuobj_fini
+#define _nvkm_fifo_context_rd32 _nvkm_gpuobj_rd32
+#define _nvkm_fifo_context_wr32 _nvkm_gpuobj_wr32
+
+#include <core/engine.h>
+#include <core/event.h>
+
+struct nvkm_fifo {
+	struct nvkm_engine base;
+
+	struct nvkm_event cevent; /* channel creation event */
+	struct nvkm_event uevent; /* async user trigger */
+
+	struct nvkm_object **channel;
+	spinlock_t lock;
+	u16 min;
+	u16 max;
+
+	int  (*chid)(struct nvkm_fifo *, struct nvkm_object *);
+	void (*pause)(struct nvkm_fifo *, unsigned long *);
+	void (*start)(struct nvkm_fifo *, unsigned long *);
+};
+
+static inline struct nvkm_fifo *
+nvkm_fifo(void *obj)
+{
+	return (void *)nvkm_engine(obj, NVDEV_ENGINE_FIFO);
+}
+
+#define nvkm_fifo_create(o,e,c,fc,lc,d)                                     \
+	nvkm_fifo_create_((o), (e), (c), (fc), (lc), sizeof(**d), (void **)d)
+#define nvkm_fifo_init(p)                                                   \
+	nvkm_engine_init(&(p)->base)
+#define nvkm_fifo_fini(p,s)                                                 \
+	nvkm_engine_fini(&(p)->base, (s))
+
+int nvkm_fifo_create_(struct nvkm_object *, struct nvkm_object *,
+			 struct nvkm_oclass *, int min, int max,
+			 int size, void **);
+void nvkm_fifo_destroy(struct nvkm_fifo *);
+const char *
+nvkm_client_name_for_fifo_chid(struct nvkm_fifo *fifo, u32 chid);
+
+#define _nvkm_fifo_init _nvkm_engine_init
+#define _nvkm_fifo_fini _nvkm_engine_fini
+
+extern struct nvkm_oclass *nv04_fifo_oclass;
+extern struct nvkm_oclass *nv10_fifo_oclass;
+extern struct nvkm_oclass *nv17_fifo_oclass;
+extern struct nvkm_oclass *nv40_fifo_oclass;
+extern struct nvkm_oclass *nv50_fifo_oclass;
+extern struct nvkm_oclass *g84_fifo_oclass;
+extern struct nvkm_oclass *gf100_fifo_oclass;
+extern struct nvkm_oclass *gk104_fifo_oclass;
+extern struct nvkm_oclass *gk20a_fifo_oclass;
+extern struct nvkm_oclass *gk208_fifo_oclass;
+extern struct nvkm_oclass *gm204_fifo_oclass;
+
+int  nvkm_fifo_uevent_ctor(struct nvkm_object *, void *, u32,
+			   struct nvkm_notify *);
+void nvkm_fifo_uevent(struct nvkm_fifo *);
+
+void nv04_fifo_intr(struct nvkm_subdev *);
+int  nv04_fifo_context_attach(struct nvkm_object *, struct nvkm_object *);
+#endif