58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
|
#ifndef __NVIF_MMU_H__
|
||
|
|
#define __NVIF_MMU_H__
|
||
|
|
#include <nvif/object.h>
|
||
|
|
|
||
|
|
struct nvif_mmu {
|
||
|
|
struct nvif_object object;
|
||
|
|
u8 dmabits;
|
||
|
|
u8 heap_nr;
|
||
|
|
u8 type_nr;
|
||
|
|
u16 kind_nr;
|
||
|
|
s32 mem;
|
||
|
|
|
||
|
|
struct {
|
||
|
|
u64 size;
|
||
|
|
} *heap;
|
||
|
|
|
||
|
|
struct {
|
||
|
|
#define NVIF_MEM_VRAM 0x01
|
||
|
|
#define NVIF_MEM_HOST 0x02
|
||
|
|
#define NVIF_MEM_COMP 0x04
|
||
|
|
#define NVIF_MEM_DISP 0x08
|
||
|
|
#define NVIF_MEM_KIND 0x10
|
||
|
|
#define NVIF_MEM_MAPPABLE 0x20
|
||
|
|
#define NVIF_MEM_COHERENT 0x40
|
||
|
|
#define NVIF_MEM_UNCACHED 0x80
|
||
|
|
u8 type;
|
||
|
|
u8 heap;
|
||
|
|
} *type;
|
||
|
|
|
||
|
|
u8 *kind;
|
||
|
|
};
|
||
|
|
|
||
|
|
int nvif_mmu_init(struct nvif_object *, s32 oclass, struct nvif_mmu *);
|
||
|
|
void nvif_mmu_fini(struct nvif_mmu *);
|
||
|
|
|
||
|
|
static inline bool
|
||
|
|
nvif_mmu_kind_valid(struct nvif_mmu *mmu, u8 kind)
|
||
|
|
{
|
||
|
|
const u8 invalid = mmu->kind_nr - 1;
|
||
|
|
if (kind) {
|
||
|
|
if (kind >= mmu->kind_nr || mmu->kind[kind] == invalid)
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int
|
||
|
|
nvif_mmu_type(struct nvif_mmu *mmu, u8 mask)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
for (i = 0; i < mmu->type_nr; i++) {
|
||
|
|
if ((mmu->type[i].type & mask) == mask)
|
||
|
|
return i;
|
||
|
|
}
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
#endif
|