diff options
| author | Ben Skeggs <[email protected]> | 2015-08-20 14:54:08 +1000 |
|---|---|---|
| committer | Ben Skeggs <[email protected]> | 2015-08-28 12:40:13 +1000 |
| commit | dd64694208d7c902ba7a5bcd2bf012c1087ba0f0 (patch) | |
| tree | 610e52f114e75dc55d7ef3ba9ab80228fa90ec58 | |
| parent | 8699745a2bc143eee429c556d631e8e5be5dc009 (diff) | |
drm/nouveau/device: type-safe register accessor macros
These require an explit struct nvkm_device pointer, unlike the previous
macros which take a void *, and assume it's any old nvkm_subdev.
Signed-off-by: Ben Skeggs <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/device.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h index 4ae876096c7d..167a0dd94fe2 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h @@ -147,6 +147,20 @@ struct nvkm_device { struct nvkm_device *nvkm_device_find(u64 name); int nvkm_device_list(u64 *name, int size); +/* privileged register interface accessor macros */ +#define nvkm_rd08(d,a) ioread8((d)->engine.subdev.mmio + (a)) +#define nvkm_rd16(d,a) ioread16_native((d)->engine.subdev.mmio + (a)) +#define nvkm_rd32(d,a) ioread32_native((d)->engine.subdev.mmio + (a)) +#define nvkm_wr08(d,a,v) iowrite8((v), (d)->engine.subdev.mmio + (a)) +#define nvkm_wr16(d,a,v) iowrite16_native((v), (d)->engine.subdev.mmio + (a)) +#define nvkm_wr32(d,a,v) iowrite32_native((v), (d)->engine.subdev.mmio + (a)) +#define nvkm_mask(d,a,m,v) ({ \ + struct nvkm_device *_device = (d); \ + u32 _addr = (a), _temp = nvkm_rd32(_device, _addr); \ + nvkm_wr32(_device, _addr, (_temp & ~(m)) | (v)); \ + _temp; \ +}) + struct nvkm_device *nv_device(void *obj); static inline bool |