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/*

 * Project: S.Ha.R.K.

 *

 * Coordinators:

 *   Giorgio Buttazzo    <giorgio@sssup.it>

 *   Paolo Gai           <pj@gandalf.sssup.it>

 *

 * Authors     :

 *   Mauro Marinoni      <mauro.marinoni@unipv.it>

 *

 *

 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)

 *

 * http://www.sssup.it

 * http://retis.sssup.it

 * http://shark.sssup.it

 */

/* Glue Layer Header Linux CPU Driver*/

#ifndef __SHARK_CPU26_H__

#define __SHARK_CPU26_H__

#define DVS_NONE                0

#define DVS_POWERNOW_K6         1

#define DVS_POWERNOW_K7         2

#define DVS_POWERNOW_K8         3

#define DVS_MEDIAGX_GEODE       4

#define DVS_P4_CLOCK_MOD        5

#define DVS_SS_CENTRINO         6

#define DVS_SS_ICH              7

#define DVS_SS_SMI              8

#define DVS_RELATION_L          0  /* lowest frequency at or above target */

#define DVS_RELATION_H          1  /* highest frequency below or at target */

#define DVS_LATENCY_ETERNAL     (-1)

int CPU26_installed(void);

int CPU26_init(void);

int CPU26_close(void);

void CPU26_showinfo(void);

int CPU26_initDVS(void);

int CPU26_closeDVS(void);

int CPU26_set_frequency(unsigned int target_freq, unsigned int relation);

int CPU26_get_cur_frequency(void);

int CPU26_get_min_frequency(void);

int CPU26_get_max_frequency(void);

int CPU26_get_latency(void);

#endif