/* * include/asm-mips/dpm.h        Platform-dependent DPM defines for MIPS * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Copyright (C) 2002, MontaVista Software <source@mvista.com> * * Based on include/asm-ppc/dpm.h by Robert Paulsen.  Copyright (C) * 2002, International Business Machines Corporation, All Rights * Reserved. * */#ifndef __ASM_DPM_H__#define __ASM_DPM_H__#ifdef CONFIG_MIPS_JzSOC#include <asm/jz47xx/jz_dpm.h>#endif#ifdef CONFIG_MIPS_ITE8172#include <asm/it8172/it8172_dpm.h>#endif#ifndef __ASSEMBLER__typedef int dpm_state_t;typedef int dpm_md_pp_t;#endif#define __NR_sys_dpm -42 /* TODO */#ifdef __KERNEL__#ifndef __ASSEMBLER__struct dpm_opt;struct dpm_md_idle_parms;/* A table of processor-dependent routines, must be initialized by   platform-dependent boot code.  None of the entries (that will actually be   called) are allowed to be NULL if DPM is enabled. */struct dpm_md {	void	(*init)(void);	int	(*init_opt)(struct dpm_opt *opt);	int	(*set_opt)(struct dpm_opt *opt, unsigned flags);	int	(*get_opt)(struct dpm_opt *opt);	void	(*idle_set_parms)(struct dpm_md_idle_parms *idle_parms);	void	(*cleanup)(void);};	/* A table of board-dependent routines, must be initialized by   platform-dependent boot code.  None of the entries (that will actually be   called) are allowed to be NULL if DPM is enabled. */struct dpm_bd {	/* Initialization function. */	int (*init)(void);	/* Exit function. */	void (*exit)(void);        /* Check a core voltage for validity on the board.  If the actual           voltage that will be applied is different, modify the parameter. */        int (*check_v)(unsigned *v);        /* Get the current core voltage (in mV) */        unsigned (*get_v)(void);	/* Initiate a new core voltage setting prior to frequency scaling.	   The return value is the number of uS to wait before proceeding with	   frequency scaling. */	unsigned (*set_v_pre)(unsigned cur_v, unsigned new_v, int flags);	/* Initiate a new core voltage setting after frequency scaling.	   The return value is the number of uS to wait before allowing another	   change in the operating point (normally 0). */	unsigned (*set_v_post)(unsigned cur_v, unsigned new_v, int flags);};static inline unsigneddpm_relock_wait(struct dpm_md_opt *cur, struct dpm_md_opt *new){	return 0;}static inline voiddpm_relock_setup(struct dpm_md_opt *md_relock, struct dpm_md_opt *md_new){}struct dpm_md_idle_parms {};/* Machine-specific /proc */#define DPM_MD_PROC_INIT(proc_dpm_md) dpm_generic_md_proc_init(proc_dpm_md)#define DPM_MD_PROC_CLEANUP(proc_dpm_md) dpm_generic_md_proc_cleanup(proc_dpm_md)void dpm_generic_md_proc_init(struct proc_dir_entry *proc_dpm_md);void dpm_generic_md_proc_cleanup(struct proc_dir_entry *proc_dpm_md);#endif /* __ASSEMBLER__ */#endif /* __KERNEL__ */#endif /* __ASM_DPM_H__ */