forked from Minki/linux
9bebf3485c
Majority of this code (i.e. functions from ti-bandgap.c) has been
introduced in May 2013 by commit eb982001db ("thermal: introduce TI
SoC thermal driver"). Just remove it altogether (in case it is needed
it can be easily resurrected from git repo).
While at it fix incorrect "not used" comments.
Tested-by: Keerthy <j-keerthy@ti.com>
Acked-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
167 lines
5.5 KiB
C
167 lines
5.5 KiB
C
/*
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* OMAP3 thermal driver.
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*
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* Copyright (C) 2011-2012 Texas Instruments Inc.
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* Copyright (C) 2014 Pavel Machek <pavel@ucw.cz>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Note
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* http://www.ti.com/lit/er/sprz278f/sprz278f.pdf "Advisory
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* 3.1.1.186 MMC OCP Clock Not Gated When Thermal Sensor Is Used"
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*
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* Also TI says:
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* Just be careful when you try to make thermal policy like decisions
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* based on this sensor. Placement of the sensor w.r.t the actual logic
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* generating heat has to be a factor as well. If you are just looking
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* for an approximation temperature (thermometerish kind), you might be
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* ok with this. I am not sure we'd find any TI data around this.. just a
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* heads up.
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*/
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#include "ti-thermal.h"
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#include "ti-bandgap.h"
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/*
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* OMAP34XX has one instance of thermal sensor for MPU
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* need to describe the individual bit fields
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*/
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static struct temp_sensor_registers
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omap34xx_mpu_temp_sensor_registers = {
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.temp_sensor_ctrl = 0,
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.bgap_soc_mask = BIT(8),
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.bgap_eocz_mask = BIT(7),
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.bgap_dtemp_mask = 0x7f,
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.bgap_mode_ctrl = 0,
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.mode_ctrl_mask = BIT(9),
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};
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/* Thresholds and limits for OMAP34XX MPU temperature sensor */
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static struct temp_sensor_data omap34xx_mpu_temp_sensor_data = {
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.min_freq = 32768,
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.max_freq = 32768,
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};
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/*
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* Temperature values in milli degree celsius
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*/
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static const int
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omap34xx_adc_to_temp[128] = {
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-40000, -40000, -40000, -40000, -40000, -39000, -38000, -36000,
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-34000, -32000, -31000, -29000, -28000, -26000, -25000, -24000,
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-22000, -21000, -19000, -18000, -17000, -15000, -14000, -12000,
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-11000, -9000, -8000, -7000, -5000, -4000, -2000, -1000, 0000,
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1000, 3000, 4000, 5000, 7000, 8000, 10000, 11000, 13000, 14000,
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15000, 17000, 18000, 20000, 21000, 22000, 24000, 25000, 27000,
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28000, 30000, 31000, 32000, 34000, 35000, 37000, 38000, 39000,
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41000, 42000, 44000, 45000, 47000, 48000, 49000, 51000, 52000,
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53000, 55000, 56000, 58000, 59000, 60000, 62000, 63000, 65000,
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66000, 67000, 69000, 70000, 72000, 73000, 74000, 76000, 77000,
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79000, 80000, 81000, 83000, 84000, 85000, 87000, 88000, 89000,
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91000, 92000, 94000, 95000, 96000, 98000, 99000, 100000,
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102000, 103000, 105000, 106000, 107000, 109000, 110000, 111000,
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113000, 114000, 116000, 117000, 118000, 120000, 121000, 122000,
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124000, 124000, 125000, 125000, 125000, 125000, 125000
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};
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/* OMAP34XX data */
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const struct ti_bandgap_data omap34xx_data = {
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.features = TI_BANDGAP_FEATURE_CLK_CTRL | TI_BANDGAP_FEATURE_UNRELIABLE,
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.fclock_name = "ts_fck",
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.div_ck_name = "ts_fck",
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.conv_table = omap34xx_adc_to_temp,
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.adc_start_val = 0,
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.adc_end_val = 127,
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.expose_sensor = ti_thermal_expose_sensor,
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.remove_sensor = ti_thermal_remove_sensor,
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.sensors = {
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{
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.registers = &omap34xx_mpu_temp_sensor_registers,
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.ts_data = &omap34xx_mpu_temp_sensor_data,
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.domain = "cpu",
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.slope_pcb = 0,
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.constant_pcb = 20000,
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.register_cooling = NULL,
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.unregister_cooling = NULL,
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},
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},
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.sensor_count = 1,
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};
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/*
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* OMAP36XX has one instance of thermal sensor for MPU
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* need to describe the individual bit fields
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*/
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static struct temp_sensor_registers
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omap36xx_mpu_temp_sensor_registers = {
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.temp_sensor_ctrl = 0,
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.bgap_soc_mask = BIT(9),
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.bgap_eocz_mask = BIT(8),
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.bgap_dtemp_mask = 0xFF,
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.bgap_mode_ctrl = 0,
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.mode_ctrl_mask = BIT(10),
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};
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/* Thresholds and limits for OMAP36XX MPU temperature sensor */
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static struct temp_sensor_data omap36xx_mpu_temp_sensor_data = {
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.min_freq = 32768,
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.max_freq = 32768,
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};
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/*
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* Temperature values in milli degree celsius
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*/
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static const int
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omap36xx_adc_to_temp[128] = {
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-40000, -40000, -40000, -40000, -40000, -40000, -40000, -40000,
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-40000, -40000, -40000, -40000, -40000, -38000, -35000, -34000,
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-32000, -30000, -28000, -26000, -24000, -22000, -20000, -18500,
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-17000, -15000, -13500, -12000, -10000, -8000, -6500, -5000, -3500,
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-1500, 0, 2000, 3500, 5000, 6500, 8500, 10000, 12000, 13500,
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15000, 17000, 19000, 21000, 23000, 25000, 27000, 28500, 30000,
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32000, 33500, 35000, 37000, 38500, 40000, 42000, 43500, 45000,
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47000, 48500, 50000, 52000, 53500, 55000, 57000, 58500, 60000,
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62000, 64000, 66000, 68000, 70000, 71500, 73500, 75000, 77000,
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78500, 80000, 82000, 83500, 85000, 87000, 88500, 90000, 92000,
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93500, 95000, 97000, 98500, 100000, 102000, 103500, 105000, 107000,
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109000, 111000, 113000, 115000, 117000, 118500, 120000, 122000,
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123500, 125000, 125000, 125000, 125000, 125000, 125000, 125000,
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125000, 125000, 125000, 125000, 125000, 125000, 125000, 125000,
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125000, 125000, 125000, 125000, 125000, 125000, 125000
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};
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/* OMAP36XX data */
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const struct ti_bandgap_data omap36xx_data = {
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.features = TI_BANDGAP_FEATURE_CLK_CTRL | TI_BANDGAP_FEATURE_UNRELIABLE,
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.fclock_name = "ts_fck",
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.div_ck_name = "ts_fck",
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.conv_table = omap36xx_adc_to_temp,
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.adc_start_val = 0,
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.adc_end_val = 127,
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.expose_sensor = ti_thermal_expose_sensor,
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.remove_sensor = ti_thermal_remove_sensor,
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.sensors = {
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{
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.registers = &omap36xx_mpu_temp_sensor_registers,
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.ts_data = &omap36xx_mpu_temp_sensor_data,
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.domain = "cpu",
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.slope_pcb = 0,
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.constant_pcb = 20000,
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.register_cooling = NULL,
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.unregister_cooling = NULL,
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},
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},
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.sensor_count = 1,
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};
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