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/*
* exynos4_tmu.h - Samsung EXYNOS4 TMU (Thermal Management Unit)
*
* Copyright (C) 2011 Samsung Electronics
* Donggeun Kim <dg77.kim@samsung.com>
*
* 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
*/
#ifndef _LINUX_EXYNOS4_TMU_H
#define _LINUX_EXYNOS4_TMU_H
#include <linux/cpu_cooling.h>
enum calibration_type {
TYPE_ONE_POINT_TRIMMING,
TYPE_TWO_POINT_TRIMMING,
TYPE_NONE,
};
/**
* struct exynos4_tmu_platform_data
* @threshold: basic temperature for generating interrupt
* 25 <= threshold <= 125 [unit: degree Celsius]
* @trigger_levels: array for each interrupt levels
* [unit: degree Celsius]
* 0: temperature for trigger_level0 interrupt
* condition for trigger_level0 interrupt:
* current temperature > threshold + trigger_levels[0]
* 1: temperature for trigger_level1 interrupt
* condition for trigger_level1 interrupt:
* current temperature > threshold + trigger_levels[1]
* 2: temperature for trigger_level2 interrupt
* condition for trigger_level2 interrupt:
* current temperature > threshold + trigger_levels[2]
* 3: temperature for trigger_level3 interrupt
* condition for trigger_level3 interrupt:
* current temperature > threshold + trigger_levels[3]
* @trigger_level0_en:
* 1 = enable trigger_level0 interrupt,
* 0 = disable trigger_level0 interrupt
* @trigger_level1_en:
* 1 = enable trigger_level1 interrupt,
* 0 = disable trigger_level1 interrupt
* @trigger_level2_en:
* 1 = enable trigger_level2 interrupt,
* 0 = disable trigger_level2 interrupt
* @trigger_level3_en:
* 1 = enable trigger_level3 interrupt,
* 0 = disable trigger_level3 interrupt
* @gain: gain of amplifier in the positive-TC generator block
* 0 <= gain <= 15
* @reference_voltage: reference voltage of amplifier
* in the positive-TC generator block
* 0 <= reference_voltage <= 31
* @cal_type: calibration type for temperature
*
* This structure is required for configuration of exynos4_tmu driver.
*/
struct exynos4_tmu_platform_data {
u8 threshold;
u8 trigger_levels[4];
bool trigger_level0_en;
bool trigger_level1_en;
bool trigger_level2_en;
bool trigger_level3_en;
u8 gain;
u8 reference_voltage;
enum calibration_type cal_type;
struct freq_pctg_table freq_tab[4];
unsigned int level_count;
};
#endif /* _LINUX_EXYNOS4_TMU_H */
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