Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / include / nvkm / core / subdev.h

diff --git a/kernel/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h b/kernel/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
new file mode 100644 (file)
index 0000000..6fdc391
--- /dev/null
+++ b/kernel/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
@@ -0,0 +1,119 @@
+#ifndef __NVKM_SUBDEV_H__
+#define __NVKM_SUBDEV_H__
+#include <core/object.h>
+#include <core/devidx.h>
+
+#define NV_SUBDEV_(sub,var) (NV_SUBDEV_CLASS | ((var) << 8) | (sub))
+#define NV_SUBDEV(name,var)  NV_SUBDEV_(NVDEV_SUBDEV_##name, (var))
+
+struct nvkm_subdev {
+       struct nvkm_object object;
+       struct mutex mutex;
+       const char *name;
+       void __iomem *mmio;
+       u32 debug;
+       u32 unit;
+
+       void (*intr)(struct nvkm_subdev *);
+};
+
+static inline struct nvkm_subdev *
+nv_subdev(void *obj)
+{
+#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
+       if (unlikely(!nv_iclass(obj, NV_SUBDEV_CLASS)))
+               nv_assert("BAD CAST -> NvSubDev, %08x", nv_hclass(obj));
+#endif
+       return obj;
+}
+
+static inline int
+nv_subidx(struct nvkm_subdev *subdev)
+{
+       return nv_hclass(subdev) & 0xff;
+}
+
+struct nvkm_subdev *nvkm_subdev(void *obj, int idx);
+
+#define nvkm_subdev_create(p,e,o,v,s,f,d)                                   \
+       nvkm_subdev_create_((p), (e), (o), (v), (s), (f),                   \
+                              sizeof(**d),(void **)d)
+
+int  nvkm_subdev_create_(struct nvkm_object *, struct nvkm_object *,
+                           struct nvkm_oclass *, u32 pclass,
+                           const char *sname, const char *fname,
+                           int size, void **);
+void nvkm_subdev_destroy(struct nvkm_subdev *);
+int  nvkm_subdev_init(struct nvkm_subdev *);
+int  nvkm_subdev_fini(struct nvkm_subdev *, bool suspend);
+void nvkm_subdev_reset(struct nvkm_object *);
+
+void _nvkm_subdev_dtor(struct nvkm_object *);
+int  _nvkm_subdev_init(struct nvkm_object *);
+int  _nvkm_subdev_fini(struct nvkm_object *, bool suspend);
+
+#define s_printk(s,l,f,a...) do {                                              \
+       if ((s)->debug >= OS_DBG_##l) {                                        \
+               nv_printk((s)->base.parent, (s)->name, l, f, ##a);             \
+       }                                                                      \
+} while(0)
+
+static inline u8
+nv_rd08(void *obj, u32 addr)
+{
+       struct nvkm_subdev *subdev = nv_subdev(obj);
+       u8 data = ioread8(subdev->mmio + addr);
+       nv_spam(subdev, "nv_rd08 0x%06x 0x%02x\n", addr, data);
+       return data;
+}
+
+static inline u16
+nv_rd16(void *obj, u32 addr)
+{
+       struct nvkm_subdev *subdev = nv_subdev(obj);
+       u16 data = ioread16_native(subdev->mmio + addr);
+       nv_spam(subdev, "nv_rd16 0x%06x 0x%04x\n", addr, data);
+       return data;
+}
+
+static inline u32
+nv_rd32(void *obj, u32 addr)
+{
+       struct nvkm_subdev *subdev = nv_subdev(obj);
+       u32 data = ioread32_native(subdev->mmio + addr);
+       nv_spam(subdev, "nv_rd32 0x%06x 0x%08x\n", addr, data);
+       return data;
+}
+
+static inline void
+nv_wr08(void *obj, u32 addr, u8 data)
+{
+       struct nvkm_subdev *subdev = nv_subdev(obj);
+       nv_spam(subdev, "nv_wr08 0x%06x 0x%02x\n", addr, data);
+       iowrite8(data, subdev->mmio + addr);
+}
+
+static inline void
+nv_wr16(void *obj, u32 addr, u16 data)
+{
+       struct nvkm_subdev *subdev = nv_subdev(obj);
+       nv_spam(subdev, "nv_wr16 0x%06x 0x%04x\n", addr, data);
+       iowrite16_native(data, subdev->mmio + addr);
+}
+
+static inline void
+nv_wr32(void *obj, u32 addr, u32 data)
+{
+       struct nvkm_subdev *subdev = nv_subdev(obj);
+       nv_spam(subdev, "nv_wr32 0x%06x 0x%08x\n", addr, data);
+       iowrite32_native(data, subdev->mmio + addr);
+}
+
+static inline u32
+nv_mask(void *obj, u32 addr, u32 mask, u32 data)
+{
+       u32 temp = nv_rd32(obj, addr);
+       nv_wr32(obj, addr, (temp & ~mask) | data);
+       return temp;
+}
+#endif