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582 mauro 1
/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Mauro Marinoni      <mauro.marinoni@unipv.it>
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 *
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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/* Glue Layer Header Linux CPU Driver*/
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#ifndef __SHARK_CPU26_H__
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#define __SHARK_CPU26_H__
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#define DVS_NONE                0
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#define DVS_POWERNOW_K6         1
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#define DVS_POWERNOW_K7         2
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#define DVS_POWERNOW_K8         3
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#define DVS_MEDIAGX_GEODE       4
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#define DVS_P4_CLOCK_MOD        5
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#define DVS_SS_CENTRINO         6
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#define DVS_SS_ICH              7
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#define DVS_SS_SMI              8
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#define DVS_RELATION_L          0  /* lowest frequency at or above target */
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#define DVS_RELATION_H          1  /* highest frequency below or at target */
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#define DVS_LATENCY_ETERNAL     (-1)
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#define DVS_MAX_NUM_FREQS       50
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extern int cpu26_freqs[DVS_MAX_NUM_FREQS];
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int CPU26_installed(void);
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int CPU26_init(void);
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int CPU26_close(void);
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void CPU26_showinfo(void);
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int CPU26_DVS_init(void);
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int CPU26_DVS_close(void);
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int CPU26_DVS_status(void);
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int CPU26_get_latency(void);
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int CPU26_set_frequency(unsigned int target_freq, unsigned int relation);
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int CPU26_get_cur_frequency(void);
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int CPU26_get_min_frequency(void);
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int CPU26_get_max_frequency(void);
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int CPU26_get_frequencies(int *buf);
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int CPU26_show_frequencies(char *buf);
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#endif
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