text: #ifndef __NVBIOS_CSTEP_H__
  #define __NVBIOS_CSTEP_H__
  
  u16 nvbios_cstepTe(struct nouveau_bios *,
  		   u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *xnr, u8 *xsz);
  
  struct nvbios_cstepE {
  	u8  pstate;
  	u8  index;
  };
  
  u16 nvbios_cstepEe(struct nouveau_bios *, int idx, u8 *ver, u8 *hdr);
  u16 nvbios_cstepEp(struct nouveau_bios *, int idx, u8 *ver, u8 *hdr,
  		   struct nvbios_cstepE *);
  u16 nvbios_cstepEm(struct nouveau_bios *, u8 pstate, u8 *ver, u8 *hdr,
  		   struct nvbios_cstepE *);
  
  struct nvbios_cstepX {
  	u32 freq;
  	u8  unkn[2];
  	u8  voltage;
  };
  
  u16 nvbios_cstepXe(struct nouveau_bios *, int idx, u8 *ver, u8 *hdr);
  u16 nvbios_cstepXp(struct nouveau_bios *, int idx, u8 *ver, u8 *hdr,
  		   struct nvbios_cstepX *);
  
  #endif
  