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/*
* Duty sycle governor
*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
* Author: Eugene Mandrenko <ievgen.mandrenko@ti.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#ifndef __OMAP4_DUTY_CYCLE_GOVERNOR_H__
#define __OMAP4_DUTY_CYCLE_GOVERNOR_H__
struct pcb_sens {
int (*update_temp) (void);
};
struct duty_cycle_params {
u32 nitro_rate; /* the maximum OPP frequency */
u32 cooling_rate; /* the OPP used to cool off */
u32 nitro_interval; /* time interval to control the duty cycle */
u32 nitro_percentage; /* % out of nitro_interval to use max OPP */
};
struct pcb_section {
u32 pcb_temp_level;
u32 max_opp;
struct duty_cycle_params tduty_params;
bool duty_cycle_enabled;
};
struct duty_cycle {
int (*update_params)(struct duty_cycle_params *);
int (*enable)(bool val, bool update);
};
void omap4_duty_pcb_section_reg(struct pcb_section *pcb_sect, int sect_size);
int omap4_duty_pcb_register(struct pcb_sens *tpcb);
#ifdef CONFIG_OMAP4_DUTY_CYCLE_GOVERNOR
int omap4_duty_cycle_register(struct duty_cycle *tduty);
#else
static inline int omap4_duty_cycle_register(struct duty_cycle *tduty)
{
return 0;
}
#endif
#endif /*__OMAP4_DUTY_CYCLE_GOVERNOR_H__*/
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