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/* linux/arch/arm/plat-s5p/include/plat/s5p-tmu.h
*
* Copyright 2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* Header file for s5p tmu support
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _S5P_TMU_H
#define _S5P_TMU_H
#define TMU_SAVE_NUM 10
/*
* struct temperature_params have values to manange throttling, tripping
* and other software safety control
*/
struct temperature_params {
unsigned int stop_1st_throttle;
unsigned int start_1st_throttle;
unsigned int stop_2nd_throttle;
unsigned int start_2nd_throttle;
unsigned int start_tripping; /* temp to do tripping */
unsigned int start_emergency; /* To protect chip,forcely kernel panic */
unsigned int stop_mem_throttle;
unsigned int start_mem_throttle;
unsigned int stop_tc; /* temperature compensationfor sram */
unsigned int start_tc;
};
struct cpufreq_params {
unsigned int limit_1st_throttle;
unsigned int limit_2nd_throttle;
};
struct temp_compensate_params {
unsigned int arm_volt; /* temperature compensated voltage */
unsigned int bus_volt; /* temperature compensated voltage */
unsigned int g3d_volt; /* temperature compensated voltage */
};
struct memory_params {
unsigned int rclk;
unsigned int period_bank_refresh;
};
struct tmu_config {
unsigned char mode;
unsigned char slope;
unsigned int sampling_rate;
unsigned int monitoring_rate;
};
struct s5p_platform_tmu {
struct temperature_params ts;
struct cpufreq_params cpufreq;
struct temp_compensate_params temp_compensate;
struct memory_params mp;
struct tmu_config cfg;
};
struct s5p_tmu_info {
struct device *dev;
#ifdef CONFIG_BUSFREQ_OPP
struct device *bus_dev;
#endif
int id;
char *s5p_name;
void __iomem *tmu_base;
struct resource *ioarea;
int irq;
int mode;
unsigned char te1; /* triminfo_25 */
unsigned char te2; /* triminfo_85 */
int slope;
int tmu_state;
unsigned int last_temperature;
unsigned int cpufreq_level_1st_throttle;
unsigned int cpufreq_level_2nd_throttle;
unsigned int auto_refresh_tq0;
unsigned int auto_refresh_normal;
/* temperature compensation */
unsigned int cpulevel_tc;
unsigned int busfreq_tc;
unsigned int g3dlevel_tc;
struct delayed_work monitor;
struct delayed_work polling;
unsigned int monitor_period;
unsigned int sampling_rate;
unsigned int reg_save[TMU_SAVE_NUM];
};
void __init s5p_tmu_set_platdata(struct s5p_platform_tmu *pd);
struct s5p_tmu *s5p_tmu_get_platdata(void);
int s5p_tmu_get_irqno(int num);
extern struct platform_device s5p_device_tmu;
#endif /* _S5P_TMU_H */
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