linux/drivers/gpu/drm/nouveau/include/nvif/object.h
<<
>>
Prefs
   1#ifndef __NVIF_OBJECT_H__
   2#define __NVIF_OBJECT_H__
   3
   4#include <nvif/os.h>
   5
   6struct nvif_sclass {
   7        s32 oclass;
   8        int minver;
   9        int maxver;
  10};
  11
  12struct nvif_object {
  13        struct nvif_client *client;
  14        u32 handle;
  15        s32 oclass;
  16        void *priv; /*XXX: hack */
  17        struct {
  18                void __iomem *ptr;
  19                u32 size;
  20        } map;
  21};
  22
  23int  nvif_object_init(struct nvif_object *, u32 handle, s32 oclass, void *, u32,
  24                      struct nvif_object *);
  25void nvif_object_fini(struct nvif_object *);
  26int  nvif_object_ioctl(struct nvif_object *, void *, u32, void **);
  27int  nvif_object_sclass_get(struct nvif_object *, struct nvif_sclass **);
  28void nvif_object_sclass_put(struct nvif_sclass **);
  29u32  nvif_object_rd(struct nvif_object *, int, u64);
  30void nvif_object_wr(struct nvif_object *, int, u64, u32);
  31int  nvif_object_mthd(struct nvif_object *, u32, void *, u32);
  32int  nvif_object_map(struct nvif_object *);
  33void nvif_object_unmap(struct nvif_object *);
  34
  35#define nvif_handle(a) (unsigned long)(void *)(a)
  36#define nvif_object(a) (a)->object
  37
  38#define nvif_rd(a,f,b,c) ({                                                    \
  39        struct nvif_object *_object = (a);                                     \
  40        u32 _data;                                                             \
  41        if (likely(_object->map.ptr))                                          \
  42                _data = f((u8 __iomem *)_object->map.ptr + (c));               \
  43        else                                                                   \
  44                _data = nvif_object_rd(_object, (b), (c));                     \
  45        _data;                                                                 \
  46})
  47#define nvif_wr(a,f,b,c,d) ({                                                  \
  48        struct nvif_object *_object = (a);                                     \
  49        if (likely(_object->map.ptr))                                          \
  50                f((d), (u8 __iomem *)_object->map.ptr + (c));                  \
  51        else                                                                   \
  52                nvif_object_wr(_object, (b), (c), (d));                        \
  53})
  54#define nvif_rd08(a,b) ({ ((u8)nvif_rd((a), ioread8, 1, (b))); })
  55#define nvif_rd16(a,b) ({ ((u16)nvif_rd((a), ioread16_native, 2, (b))); })
  56#define nvif_rd32(a,b) ({ ((u32)nvif_rd((a), ioread32_native, 4, (b))); })
  57#define nvif_wr08(a,b,c) nvif_wr((a), iowrite8, 1, (b), (u8)(c))
  58#define nvif_wr16(a,b,c) nvif_wr((a), iowrite16_native, 2, (b), (u16)(c))
  59#define nvif_wr32(a,b,c) nvif_wr((a), iowrite32_native, 4, (b), (u32)(c))
  60#define nvif_mask(a,b,c,d) ({                                                  \
  61        struct nvif_object *__object = (a);                                    \
  62        u32 _addr = (b), _data = nvif_rd32(__object, _addr);                   \
  63        nvif_wr32(__object, _addr, (_data & ~(c)) | (d));                      \
  64        _data;                                                                 \
  65})
  66
  67#define nvif_mthd(a,b,c,d) nvif_object_mthd((a), (b), (c), (d))
  68
  69struct nvif_mclass {
  70        s32 oclass;
  71        int version;
  72};
  73
  74#define nvif_mclass(o,m) ({                                                    \
  75        struct nvif_object *object = (o);                                      \
  76        struct nvif_sclass *sclass;                                            \
  77        const typeof(m[0]) *mclass = (m);                                      \
  78        int ret = -ENODEV;                                                     \
  79        int cnt, i, j;                                                         \
  80                                                                               \
  81        cnt = nvif_object_sclass_get(object, &sclass);                         \
  82        if (cnt >= 0) {                                                        \
  83                for (i = 0; ret < 0 && mclass[i].oclass; i++) {                \
  84                        for (j = 0; j < cnt; j++) {                            \
  85                                if (mclass[i].oclass  == sclass[j].oclass &&   \
  86                                    mclass[i].version >= sclass[j].minver &&   \
  87                                    mclass[i].version <= sclass[j].maxver) {   \
  88                                        ret = i;                               \
  89                                        break;                                 \
  90                                }                                              \
  91                        }                                                      \
  92                }                                                              \
  93                nvif_object_sclass_put(&sclass);                               \
  94        }                                                                      \
  95        ret;                                                                   \
  96})
  97
  98/*XXX*/
  99#include <core/object.h>
 100#define nvxx_object(a) ({                                                      \
 101        struct nvif_object *_object = (a);                                     \
 102        (struct nvkm_object *)_object->priv;                                   \
 103})
 104#endif
 105