mirror of https://gitee.com/openkylin/linux.git
145 lines
5.1 KiB
C
145 lines
5.1 KiB
C
/*
|
|
* exynos_tmu.h - Samsung EXYNOS TMU (Thermal Management Unit)
|
|
*
|
|
* Copyright (C) 2011 Samsung Electronics
|
|
* Donggeun Kim <dg77.kim@samsung.com>
|
|
* Amit Daniel Kachhap <amit.daniel@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 _EXYNOS_TMU_H
|
|
#define _EXYNOS_TMU_H
|
|
#include <linux/cpu_cooling.h>
|
|
|
|
#include "exynos_thermal_common.h"
|
|
|
|
enum calibration_type {
|
|
TYPE_ONE_POINT_TRIMMING,
|
|
TYPE_ONE_POINT_TRIMMING_25,
|
|
TYPE_ONE_POINT_TRIMMING_85,
|
|
TYPE_TWO_POINT_TRIMMING,
|
|
TYPE_NONE,
|
|
};
|
|
|
|
enum soc_type {
|
|
SOC_ARCH_EXYNOS3250 = 1,
|
|
SOC_ARCH_EXYNOS4210,
|
|
SOC_ARCH_EXYNOS4412,
|
|
SOC_ARCH_EXYNOS5250,
|
|
SOC_ARCH_EXYNOS5260,
|
|
SOC_ARCH_EXYNOS5420,
|
|
SOC_ARCH_EXYNOS5420_TRIMINFO,
|
|
SOC_ARCH_EXYNOS5440,
|
|
};
|
|
|
|
/**
|
|
* struct exynos_tmu_platform_data
|
|
* @threshold: basic temperature for generating interrupt
|
|
* 25 <= threshold <= 125 [unit: degree Celsius]
|
|
* @threshold_falling: differntial value for setting threshold
|
|
* of temperature falling interrupt.
|
|
* @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_type: defines the type of trigger. Possible values are,
|
|
* THROTTLE_ACTIVE trigger type
|
|
* THROTTLE_PASSIVE trigger type
|
|
* SW_TRIP trigger type
|
|
* HW_TRIP
|
|
* @trigger_enable[]: array to denote which trigger levels are enabled.
|
|
* 1 = enable trigger_level[] interrupt,
|
|
* 0 = disable trigger_level[] interrupt
|
|
* @max_trigger_level: max trigger level supported by the TMU
|
|
* @non_hw_trigger_levels: number of defined non-hardware trigger levels
|
|
* @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
|
|
* @noise_cancel_mode: noise cancellation mode
|
|
* 000, 100, 101, 110 and 111 can be different modes
|
|
* @type: determines the type of SOC
|
|
* @efuse_value: platform defined fuse value
|
|
* @min_efuse_value: minimum valid trimming data
|
|
* @max_efuse_value: maximum valid trimming data
|
|
* @first_point_trim: temp value of the first point trimming
|
|
* @second_point_trim: temp value of the second point trimming
|
|
* @default_temp_offset: default temperature offset in case of no trimming
|
|
* @cal_type: calibration type for temperature
|
|
* @freq_clip_table: Table representing frequency reduction percentage.
|
|
* @freq_tab_count: Count of the above table as frequency reduction may
|
|
* applicable to only some of the trigger levels.
|
|
*
|
|
* This structure is required for configuration of exynos_tmu driver.
|
|
*/
|
|
struct exynos_tmu_platform_data {
|
|
u8 threshold;
|
|
u8 threshold_falling;
|
|
u8 trigger_levels[MAX_TRIP_COUNT];
|
|
enum trigger_type trigger_type[MAX_TRIP_COUNT];
|
|
bool trigger_enable[MAX_TRIP_COUNT];
|
|
u8 max_trigger_level;
|
|
u8 non_hw_trigger_levels;
|
|
u8 gain;
|
|
u8 reference_voltage;
|
|
u8 noise_cancel_mode;
|
|
|
|
u32 efuse_value;
|
|
u32 min_efuse_value;
|
|
u32 max_efuse_value;
|
|
u8 first_point_trim;
|
|
u8 second_point_trim;
|
|
u8 default_temp_offset;
|
|
|
|
enum calibration_type cal_type;
|
|
enum soc_type type;
|
|
struct freq_clip_table freq_tab[4];
|
|
unsigned int freq_tab_count;
|
|
};
|
|
|
|
/**
|
|
* struct exynos_tmu_init_data
|
|
* @tmu_count: number of TMU instances.
|
|
* @tmu_data: platform data of all TMU instances.
|
|
* This structure is required to store data for multi-instance exynos tmu
|
|
* driver.
|
|
*/
|
|
struct exynos_tmu_init_data {
|
|
int tmu_count;
|
|
struct exynos_tmu_platform_data tmu_data[];
|
|
};
|
|
|
|
extern struct exynos_tmu_init_data const exynos3250_default_tmu_data;
|
|
extern struct exynos_tmu_init_data const exynos4210_default_tmu_data;
|
|
extern struct exynos_tmu_init_data const exynos4412_default_tmu_data;
|
|
extern struct exynos_tmu_init_data const exynos5250_default_tmu_data;
|
|
extern struct exynos_tmu_init_data const exynos5260_default_tmu_data;
|
|
extern struct exynos_tmu_init_data const exynos5420_default_tmu_data;
|
|
extern struct exynos_tmu_init_data const exynos5440_default_tmu_data;
|
|
|
|
#endif /* _EXYNOS_TMU_H */
|