drivers/thermal/samsung/exynos_tmu.h

   1 /*
   2  * exynos_tmu.h - Samsung EXYNOS TMU (Thermal Management Unit)
   3  *
   4  *  Copyright (C) 2011 Samsung Electronics
   5  *  Donggeun Kim <dg77.kim@samsung.com>
   6  *  Amit Daniel Kachhap <amit.daniel@samsung.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #ifndef _EXYNOS_TMU_H
  24 #define _EXYNOS_TMU_H
  25 #include <linux/cpu_cooling.h>
  26 #include <dt-bindings/thermal/thermal_exynos.h>
  27
  28 enum soc_type {
  29         SOC_ARCH_EXYNOS3250 = 1,
  30         SOC_ARCH_EXYNOS4210,
  31         SOC_ARCH_EXYNOS4412,
  32         SOC_ARCH_EXYNOS5250,
  33         SOC_ARCH_EXYNOS5260,
  34         SOC_ARCH_EXYNOS5420,
  35         SOC_ARCH_EXYNOS5420_TRIMINFO,
  36         SOC_ARCH_EXYNOS5440,
  37         SOC_ARCH_EXYNOS7,
  38 };
  39
  40 /**
  41  * struct exynos_tmu_platform_data
  42  * @gain: gain of amplifier in the positive-TC generator block
  43  *      0 < gain <= 15
  44  * @reference_voltage: reference voltage of amplifier
  45  *      in the positive-TC generator block
  46  *      0 < reference_voltage <= 31
  47  * @noise_cancel_mode: noise cancellation mode
  48  *      000, 100, 101, 110 and 111 can be different modes
  49  * @type: determines the type of SOC
  50  * @efuse_value: platform defined fuse value
  51  * @min_efuse_value: minimum valid trimming data
  52  * @max_efuse_value: maximum valid trimming data
  53  * @default_temp_offset: default temperature offset in case of no trimming
  54  * @cal_type: calibration type for temperature
  55  *
  56  * This structure is required for configuration of exynos_tmu driver.
  57  */
  58 struct exynos_tmu_platform_data {
  59         u8 gain;
  60         u8 reference_voltage;
  61         u8 noise_cancel_mode;
  62
  63         u32 efuse_value;
  64         u32 min_efuse_value;
  65         u32 max_efuse_value;
  66         u8 first_point_trim;
  67         u8 second_point_trim;
  68         u8 default_temp_offset;
  69
  70         enum soc_type type;
  71         u32 cal_type;
  72         u32 cal_mode;
  73 };
  74
  75 #endif /* _EXYNOS_TMU_H */