summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/include/nvif/object.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvif/object.h')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvif/object.h144
1 files changed, 144 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/object.h b/drivers/gpu/drm/nouveau/include/nvif/object.h
new file mode 100644
index 000000000..f52399cae
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvif/object.h
@@ -0,0 +1,144 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVIF_OBJECT_H__
+#define __NVIF_OBJECT_H__
+#include <nvif/os.h>
+
+struct nvif_sclass {
+ s32 oclass;
+ int minver;
+ int maxver;
+};
+
+struct nvif_object {
+ struct nvif_parent *parent;
+ struct nvif_client *client;
+ const char *name;
+ u32 handle;
+ s32 oclass;
+ void *priv; /*XXX: hack */
+ struct {
+ void __iomem *ptr;
+ u64 size;
+ } map;
+};
+
+static inline bool
+nvif_object_constructed(struct nvif_object *object)
+{
+ return object->client != NULL;
+}
+
+int nvif_object_ctor(struct nvif_object *, const char *name, u32 handle,
+ s32 oclass, void *, u32, struct nvif_object *);
+void nvif_object_dtor(struct nvif_object *);
+int nvif_object_ioctl(struct nvif_object *, void *, u32, void **);
+int nvif_object_sclass_get(struct nvif_object *, struct nvif_sclass **);
+void nvif_object_sclass_put(struct nvif_sclass **);
+u32 nvif_object_rd(struct nvif_object *, int, u64);
+void nvif_object_wr(struct nvif_object *, int, u64, u32);
+int nvif_object_mthd(struct nvif_object *, u32, void *, u32);
+int nvif_object_map_handle(struct nvif_object *, void *, u32,
+ u64 *handle, u64 *length);
+void nvif_object_unmap_handle(struct nvif_object *);
+int nvif_object_map(struct nvif_object *, void *, u32);
+void nvif_object_unmap(struct nvif_object *);
+
+#define nvif_handle(a) (unsigned long)(void *)(a)
+#define nvif_object(a) (a)->object
+
+#define nvif_rd(a,f,b,c) ({ \
+ struct nvif_object *_object = (a); \
+ u32 _data; \
+ if (likely(_object->map.ptr)) \
+ _data = f((u8 __iomem *)_object->map.ptr + (c)); \
+ else \
+ _data = nvif_object_rd(_object, (b), (c)); \
+ _data; \
+})
+#define nvif_wr(a,f,b,c,d) ({ \
+ struct nvif_object *_object = (a); \
+ if (likely(_object->map.ptr)) \
+ f((d), (u8 __iomem *)_object->map.ptr + (c)); \
+ else \
+ nvif_object_wr(_object, (b), (c), (d)); \
+})
+#define nvif_rd08(a,b) ({ ((u8)nvif_rd((a), ioread8, 1, (b))); })
+#define nvif_rd16(a,b) ({ ((u16)nvif_rd((a), ioread16_native, 2, (b))); })
+#define nvif_rd32(a,b) ({ ((u32)nvif_rd((a), ioread32_native, 4, (b))); })
+#define nvif_wr08(a,b,c) nvif_wr((a), iowrite8, 1, (b), (u8)(c))
+#define nvif_wr16(a,b,c) nvif_wr((a), iowrite16_native, 2, (b), (u16)(c))
+#define nvif_wr32(a,b,c) nvif_wr((a), iowrite32_native, 4, (b), (u32)(c))
+#define nvif_mask(a,b,c,d) ({ \
+ struct nvif_object *__object = (a); \
+ u32 _addr = (b), _data = nvif_rd32(__object, _addr); \
+ nvif_wr32(__object, _addr, (_data & ~(c)) | (d)); \
+ _data; \
+})
+
+#define nvif_mthd(a,b,c,d) nvif_object_mthd((a), (b), (c), (d))
+
+struct nvif_mclass {
+ s32 oclass;
+ int version;
+};
+
+#define nvif_mclass(o,m) ({ \
+ struct nvif_object *object = (o); \
+ struct nvif_sclass *sclass; \
+ typeof(m[0]) *mclass = (m); \
+ int ret = -ENODEV; \
+ int cnt, i, j; \
+ \
+ cnt = nvif_object_sclass_get(object, &sclass); \
+ if (cnt >= 0) { \
+ for (i = 0; ret < 0 && mclass[i].oclass; i++) { \
+ for (j = 0; j < cnt; j++) { \
+ if (mclass[i].oclass == sclass[j].oclass && \
+ mclass[i].version >= sclass[j].minver && \
+ mclass[i].version <= sclass[j].maxver) { \
+ ret = i; \
+ break; \
+ } \
+ } \
+ } \
+ nvif_object_sclass_put(&sclass); \
+ } \
+ ret; \
+})
+
+#define nvif_sclass(o,m,u) ({ \
+ const typeof(m[0]) *_mclass = (m); \
+ s32 _oclass = (u); \
+ int _cid; \
+ if (_oclass) { \
+ for (_cid = 0; _mclass[_cid].oclass; _cid++) { \
+ if (_mclass[_cid].oclass == _oclass) \
+ break; \
+ } \
+ _cid = _mclass[_cid].oclass ? _cid : -ENOSYS; \
+ } else { \
+ _cid = nvif_mclass((o), _mclass); \
+ } \
+ _cid; \
+})
+
+#define NVIF_RD32_(p,o,dr) nvif_rd32((p), (o) + (dr))
+#define NVIF_WR32_(p,o,dr,f) nvif_wr32((p), (o) + (dr), (f))
+#define NVIF_RD32(p,A...) DRF_RD(NVIF_RD32_, (p), 0, ##A)
+#define NVIF_RV32(p,A...) DRF_RV(NVIF_RD32_, (p), 0, ##A)
+#define NVIF_TV32(p,A...) DRF_TV(NVIF_RD32_, (p), 0, ##A)
+#define NVIF_TD32(p,A...) DRF_TD(NVIF_RD32_, (p), 0, ##A)
+#define NVIF_WR32(p,A...) DRF_WR( NVIF_WR32_, (p), 0, ##A)
+#define NVIF_WV32(p,A...) DRF_WV( NVIF_WR32_, (p), 0, ##A)
+#define NVIF_WD32(p,A...) DRF_WD( NVIF_WR32_, (p), 0, ##A)
+#define NVIF_MR32(p,A...) DRF_MR(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A)
+#define NVIF_MV32(p,A...) DRF_MV(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A)
+#define NVIF_MD32(p,A...) DRF_MD(NVIF_RD32_, NVIF_WR32_, u32, (p), 0, ##A)
+
+/*XXX*/
+#include <core/object.h>
+#define nvxx_object(a) ({ \
+ struct nvif_object *_object = (a); \
+ (struct nvkm_object *)_object->priv; \
+})
+#endif