1. 根目录:
2. drivers
3. gpu
4. drm
5. nouveau
6. core
7. subdev
8. clock
9. pll.h

#ifndef __NOUVEAU_PLL_H__
#define __NOUVEAU_PLL_H__

int nv04_pll_calc(struct nouveau_subdev *, struct nvbios_pll *, u32 freq,
		  int *N1, int *M1, int *N2, int *M2, int *P);
int nva3_pll_calc(struct nouveau_subdev *, struct nvbios_pll *, u32 freq,
		  int *N, int *fN, int *M, int *P);

#endif