drivers/gpu/drm/nouveau/include/nvkm/core/os.h

   1 #ifndef __NVKM_OS_H__
   2 #define __NVKM_OS_H__
   3 #include <nvif/os.h>
   4 #define nvkm_vmm nvkm_vm
   5
   6 #ifdef __BIG_ENDIAN
   7 #define ioread16_native ioread16be
   8 #define iowrite16_native iowrite16be
   9 #define ioread32_native  ioread32be
  10 #define iowrite32_native iowrite32be
  11 #else
  12 #define ioread16_native ioread16
  13 #define iowrite16_native iowrite16
  14 #define ioread32_native  ioread32
  15 #define iowrite32_native iowrite32
  16 #endif
  17
  18 #define iowrite64_native(v,p) do {                                             \
  19         u32 __iomem *_p = (u32 __iomem *)(p);                                  \
  20         u64 _v = (v);                                                          \
  21         iowrite32_native(lower_32_bits(_v), &_p[0]);                           \
  22         iowrite32_native(upper_32_bits(_v), &_p[1]);                           \
  23 } while(0)
  24
  25 #endif