Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit dd646942 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

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: default avatarBen Skeggs <bskeggs@redhat.com>
parent 8699745a

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

+14 −0
Original line number Diff line number Diff line
@@ -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