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yaml --- r: 317991 b: refs/heads/master c: 949f5a5 h: refs/heads/master i: 317989: f91109d 317987: 4edab3f 317983: bbba5e2 v: v3
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Eduardo Valentin
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Greg Kroah-Hartman
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Jul 17, 2012
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/* | ||
* OMAP5 thermal driver. | ||
* | ||
* Copyright (C) 2011-2012 Texas Instruments Inc. | ||
* Contact: | ||
* Eduardo Valentin <eduardo.valentin@ti.com> | ||
* | ||
* This software is licensed under the terms of the GNU General Public | ||
* License version 2, as published by the Free Software Foundation, and | ||
* may be copied, distributed, and modified under those terms. | ||
* | ||
* 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. | ||
* | ||
*/ | ||
|
||
#include "omap-bandgap.h" | ||
#include "omap-thermal.h" | ||
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/* | ||
* omap5430 has one instance of thermal sensor for MPU | ||
* need to describe the individual bit fields | ||
*/ | ||
static struct temp_sensor_registers | ||
omap5430_mpu_temp_sensor_registers = { | ||
.temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_MPU_OFFSET, | ||
.bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK, | ||
.bgap_soc_mask = OMAP5430_BGAP_TEMP_SENSOR_SOC_MASK, | ||
.bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK, | ||
.bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK, | ||
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.bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET, | ||
.mask_hot_mask = OMAP5430_MASK_HOT_MPU_MASK, | ||
.mask_cold_mask = OMAP5430_MASK_COLD_MPU_MASK, | ||
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.bgap_mode_ctrl = OMAP5430_BGAP_COUNTER_MPU_OFFSET, | ||
.mode_ctrl_mask = OMAP5430_REPEAT_MODE_MASK, | ||
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.bgap_counter = OMAP5430_BGAP_COUNTER_MPU_OFFSET, | ||
.counter_mask = OMAP5430_COUNTER_MASK, | ||
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.bgap_threshold = OMAP5430_BGAP_THRESHOLD_MPU_OFFSET, | ||
.threshold_thot_mask = OMAP5430_T_HOT_MASK, | ||
.threshold_tcold_mask = OMAP5430_T_COLD_MASK, | ||
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.tshut_threshold = OMAP5430_BGAP_TSHUT_MPU_OFFSET, | ||
.tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK, | ||
.tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK, | ||
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.bgap_status = OMAP5430_BGAP_STATUS_OFFSET, | ||
.status_clean_stop_mask = 0x0, | ||
.status_bgap_alert_mask = OMAP5430_BGAP_ALERT_MASK, | ||
.status_hot_mask = OMAP5430_HOT_MPU_FLAG_MASK, | ||
.status_cold_mask = OMAP5430_COLD_MPU_FLAG_MASK, | ||
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.bgap_efuse = OMAP5430_FUSE_OPP_BGAP_MPU, | ||
}; | ||
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/* | ||
* omap5430 has one instance of thermal sensor for GPU | ||
* need to describe the individual bit fields | ||
*/ | ||
static struct temp_sensor_registers | ||
omap5430_gpu_temp_sensor_registers = { | ||
.temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_GPU_OFFSET, | ||
.bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK, | ||
.bgap_soc_mask = OMAP5430_BGAP_TEMP_SENSOR_SOC_MASK, | ||
.bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK, | ||
.bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK, | ||
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.bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET, | ||
.mask_hot_mask = OMAP5430_MASK_HOT_MM_MASK, | ||
.mask_cold_mask = OMAP5430_MASK_COLD_MM_MASK, | ||
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.bgap_mode_ctrl = OMAP5430_BGAP_COUNTER_GPU_OFFSET, | ||
.mode_ctrl_mask = OMAP5430_REPEAT_MODE_MASK, | ||
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.bgap_counter = OMAP5430_BGAP_COUNTER_GPU_OFFSET, | ||
.counter_mask = OMAP5430_COUNTER_MASK, | ||
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.bgap_threshold = OMAP5430_BGAP_THRESHOLD_GPU_OFFSET, | ||
.threshold_thot_mask = OMAP5430_T_HOT_MASK, | ||
.threshold_tcold_mask = OMAP5430_T_COLD_MASK, | ||
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.tshut_threshold = OMAP5430_BGAP_TSHUT_GPU_OFFSET, | ||
.tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK, | ||
.tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK, | ||
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.bgap_status = OMAP5430_BGAP_STATUS_OFFSET, | ||
.status_clean_stop_mask = 0x0, | ||
.status_bgap_alert_mask = OMAP5430_BGAP_ALERT_MASK, | ||
.status_hot_mask = OMAP5430_HOT_MM_FLAG_MASK, | ||
.status_cold_mask = OMAP5430_COLD_MM_FLAG_MASK, | ||
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.bgap_efuse = OMAP5430_FUSE_OPP_BGAP_GPU, | ||
}; | ||
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/* | ||
* omap5430 has one instance of thermal sensor for CORE | ||
* need to describe the individual bit fields | ||
*/ | ||
static struct temp_sensor_registers | ||
omap5430_core_temp_sensor_registers = { | ||
.temp_sensor_ctrl = OMAP5430_TEMP_SENSOR_CORE_OFFSET, | ||
.bgap_tempsoff_mask = OMAP5430_BGAP_TEMPSOFF_MASK, | ||
.bgap_soc_mask = OMAP5430_BGAP_TEMP_SENSOR_SOC_MASK, | ||
.bgap_eocz_mask = OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK, | ||
.bgap_dtemp_mask = OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK, | ||
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.bgap_mask_ctrl = OMAP5430_BGAP_CTRL_OFFSET, | ||
.mask_hot_mask = OMAP5430_MASK_HOT_CORE_MASK, | ||
.mask_cold_mask = OMAP5430_MASK_COLD_CORE_MASK, | ||
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.bgap_mode_ctrl = OMAP5430_BGAP_COUNTER_CORE_OFFSET, | ||
.mode_ctrl_mask = OMAP5430_REPEAT_MODE_MASK, | ||
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.bgap_counter = OMAP5430_BGAP_COUNTER_CORE_OFFSET, | ||
.counter_mask = OMAP5430_COUNTER_MASK, | ||
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.bgap_threshold = OMAP5430_BGAP_THRESHOLD_CORE_OFFSET, | ||
.threshold_thot_mask = OMAP5430_T_HOT_MASK, | ||
.threshold_tcold_mask = OMAP5430_T_COLD_MASK, | ||
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.tshut_threshold = OMAP5430_BGAP_TSHUT_CORE_OFFSET, | ||
.tshut_hot_mask = OMAP5430_TSHUT_HOT_MASK, | ||
.tshut_cold_mask = OMAP5430_TSHUT_COLD_MASK, | ||
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.bgap_status = OMAP5430_BGAP_STATUS_OFFSET, | ||
.status_clean_stop_mask = 0x0, | ||
.status_bgap_alert_mask = OMAP5430_BGAP_ALERT_MASK, | ||
.status_hot_mask = OMAP5430_HOT_CORE_FLAG_MASK, | ||
.status_cold_mask = OMAP5430_COLD_CORE_FLAG_MASK, | ||
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.bgap_efuse = OMAP5430_FUSE_OPP_BGAP_CORE, | ||
}; | ||
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/* Thresholds and limits for OMAP5430 MPU temperature sensor */ | ||
static struct temp_sensor_data omap5430_mpu_temp_sensor_data = { | ||
.tshut_hot = OMAP5430_MPU_TSHUT_HOT, | ||
.tshut_cold = OMAP5430_MPU_TSHUT_COLD, | ||
.t_hot = OMAP5430_MPU_T_HOT, | ||
.t_cold = OMAP5430_MPU_T_COLD, | ||
.min_freq = OMAP5430_MPU_MIN_FREQ, | ||
.max_freq = OMAP5430_MPU_MAX_FREQ, | ||
.max_temp = OMAP5430_MPU_MAX_TEMP, | ||
.min_temp = OMAP5430_MPU_MIN_TEMP, | ||
.hyst_val = OMAP5430_MPU_HYST_VAL, | ||
.adc_start_val = OMAP5430_ADC_START_VALUE, | ||
.adc_end_val = OMAP5430_ADC_END_VALUE, | ||
.update_int1 = 1000, | ||
.update_int2 = 2000, | ||
}; | ||
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/* Thresholds and limits for OMAP5430 GPU temperature sensor */ | ||
static struct temp_sensor_data omap5430_gpu_temp_sensor_data = { | ||
.tshut_hot = OMAP5430_GPU_TSHUT_HOT, | ||
.tshut_cold = OMAP5430_GPU_TSHUT_COLD, | ||
.t_hot = OMAP5430_GPU_T_HOT, | ||
.t_cold = OMAP5430_GPU_T_COLD, | ||
.min_freq = OMAP5430_GPU_MIN_FREQ, | ||
.max_freq = OMAP5430_GPU_MAX_FREQ, | ||
.max_temp = OMAP5430_GPU_MAX_TEMP, | ||
.min_temp = OMAP5430_GPU_MIN_TEMP, | ||
.hyst_val = OMAP5430_GPU_HYST_VAL, | ||
.adc_start_val = OMAP5430_ADC_START_VALUE, | ||
.adc_end_val = OMAP5430_ADC_END_VALUE, | ||
.update_int1 = 1000, | ||
.update_int2 = 2000, | ||
}; | ||
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/* Thresholds and limits for OMAP5430 CORE temperature sensor */ | ||
static struct temp_sensor_data omap5430_core_temp_sensor_data = { | ||
.tshut_hot = OMAP5430_CORE_TSHUT_HOT, | ||
.tshut_cold = OMAP5430_CORE_TSHUT_COLD, | ||
.t_hot = OMAP5430_CORE_T_HOT, | ||
.t_cold = OMAP5430_CORE_T_COLD, | ||
.min_freq = OMAP5430_CORE_MIN_FREQ, | ||
.max_freq = OMAP5430_CORE_MAX_FREQ, | ||
.max_temp = OMAP5430_CORE_MAX_TEMP, | ||
.min_temp = OMAP5430_CORE_MIN_TEMP, | ||
.hyst_val = OMAP5430_CORE_HYST_VAL, | ||
.adc_start_val = OMAP5430_ADC_START_VALUE, | ||
.adc_end_val = OMAP5430_ADC_END_VALUE, | ||
.update_int1 = 1000, | ||
.update_int2 = 2000, | ||
}; | ||
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static const int | ||
omap5430_adc_to_temp[OMAP5430_ADC_END_VALUE - OMAP5430_ADC_START_VALUE + 1] = { | ||
-40000, -40000, -40000, -40000, -39800, -39400, -39000, -38600, | ||
-38200, -37800, -37300, -36800, | ||
-36400, -36000, -35600, -35200, -34800, -34300, -33800, -33400, -33000, | ||
-32600, | ||
-32200, -31800, -31300, -30800, -30400, -30000, -29600, -29200, -28700, | ||
-28200, -27800, -27400, -27000, -26600, -26200, -25700, -25200, -24800, | ||
-24400, -24000, -23600, -23200, -22700, -22200, -21800, -21400, -21000, | ||
-20600, -20200, -19700, -19200, -9300, -18400, -18000, -17600, -17200, | ||
-16700, -16200, -15800, -15400, -15000, -14600, -14200, -13700, -13200, | ||
-12800, -12400, -12000, -11600, -11200, -10700, -10200, -9800, -9400, | ||
-9000, | ||
-8600, -8200, -7700, -7200, -6800, -6400, -6000, -5600, -5200, -4800, | ||
-4300, | ||
-3800, -3400, -3000, -2600, -2200, -1800, -1300, -800, -400, 0, 400, | ||
800, | ||
1200, 1600, 2100, 2600, 3000, 3400, 3800, 4200, 4600, 5100, 5600, 6000, | ||
6400, 6800, 7200, 7600, 8000, 8500, 9000, 9400, 9800, 10200, 10800, | ||
11100, | ||
11400, 11900, 12400, 12800, 13200, 13600, 14000, 14400, 14800, 15300, | ||
15800, | ||
16200, 16600, 17000, 17400, 17800, 18200, 18700, 19200, 19600, 20000, | ||
20400, | ||
20800, 21200, 21600, 22100, 22600, 23000, 23400, 23800, 24200, 24600, | ||
25000, | ||
25400, 25900, 26400, 26800, 27200, 27600, 28000, 28400, 28800, 29300, | ||
29800, | ||
30200, 30600, 31000, 31400, 31800, 32200, 32600, 33100, 33600, 34000, | ||
34400, | ||
34800, 35200, 35600, 36000, 36400, 36800, 37300, 37800, 38200, 38600, | ||
39000, | ||
39400, 39800, 40200, 40600, 41100, 41600, 42000, 42400, 42800, 43200, | ||
43600, | ||
44000, 44400, 44800, 45300, 45800, 46200, 46600, 47000, 47400, 47800, | ||
48200, | ||
48600, 49000, 49500, 50000, 50400, 50800, 51200, 51600, 52000, 52400, | ||
52800, | ||
53200, 53700, 54200, 54600, 55000, 55400, 55800, 56200, 56600, 57000, | ||
57400, | ||
57800, 58200, 58700, 59200, 59600, 60000, 60400, 60800, 61200, 61600, | ||
62000, | ||
62400, 62800, 63300, 63800, 64200, 64600, 65000, 65400, 65800, 66200, | ||
66600, | ||
67000, 67400, 67800, 68200, 68700, 69200, 69600, 70000, 70400, 70800, | ||
71200, | ||
71600, 72000, 72400, 72800, 73200, 73600, 74100, 74600, 75000, 75400, | ||
75800, | ||
76200, 76600, 77000, 77400, 77800, 78200, 78600, 79000, 79400, 79800, | ||
80300, | ||
80800, 81200, 81600, 82000, 82400, 82800, 83200, 83600, 84000, 84400, | ||
84800, | ||
85200, 85600, 86000, 86400, 86800, 87300, 87800, 88200, 88600, 89000, | ||
89400, | ||
89800, 90200, 90600, 91000, 91400, 91800, 92200, 92600, 93000, 93400, | ||
93800, | ||
94200, 94600, 95000, 95500, 96000, 96400, 96800, 97200, 97600, 98000, | ||
98400, | ||
98800, 99200, 99600, 100000, 100400, 100800, 101200, 101600, 102000, | ||
102400, | ||
102800, 103200, 103600, 104000, 104400, 104800, 105200, 105600, 106100, | ||
106600, 107000, 107400, 107800, 108200, 108600, 109000, 109400, 109800, | ||
110200, 110600, 111000, 111400, 111800, 112200, 112600, 113000, 113400, | ||
113800, 114200, 114600, 115000, 115400, 115800, 116200, 116600, 117000, | ||
117400, 117800, 118200, 118600, 119000, 119400, 119800, 120200, 120600, | ||
121000, 121400, 121800, 122200, 122600, 123000, 123400, 123800, 124200, | ||
124600, 124900, 125000, 125000, 125000, 125000, | ||
}; | ||
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const struct omap_bandgap_data omap5430_data = { | ||
.features = OMAP_BANDGAP_FEATURE_TSHUT_CONFIG | | ||
OMAP_BANDGAP_FEATURE_TALERT | | ||
OMAP_BANDGAP_FEATURE_MODE_CONFIG | | ||
OMAP_BANDGAP_FEATURE_COUNTER, | ||
.fclock_name = "ts_clk_div_ck", | ||
.div_ck_name = "ts_clk_div_ck", | ||
.conv_table = omap5430_adc_to_temp, | ||
.expose_sensor = omap_thermal_expose_sensor, | ||
.remove_sensor = omap_thermal_remove_sensor, | ||
.sensors = { | ||
{ | ||
.registers = &omap5430_mpu_temp_sensor_registers, | ||
.ts_data = &omap5430_mpu_temp_sensor_data, | ||
.domain = "cpu", | ||
.register_cooling = omap_thermal_register_cpu_cooling, | ||
.unregister_cooling = omap_thermal_unregister_cpu_cooling, | ||
.slope = OMAP_GRADIENT_SLOPE_5430_CPU, | ||
.constant = OMAP_GRADIENT_CONST_5430_CPU, | ||
.slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_CPU, | ||
.constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_CPU, | ||
}, | ||
{ | ||
.registers = &omap5430_gpu_temp_sensor_registers, | ||
.ts_data = &omap5430_gpu_temp_sensor_data, | ||
.domain = "gpu", | ||
.slope = OMAP_GRADIENT_SLOPE_5430_GPU, | ||
.constant = OMAP_GRADIENT_CONST_5430_GPU, | ||
.slope_pcb = OMAP_GRADIENT_SLOPE_W_PCB_5430_GPU, | ||
.constant_pcb = OMAP_GRADIENT_CONST_W_PCB_5430_GPU, | ||
}, | ||
{ | ||
.registers = &omap5430_core_temp_sensor_registers, | ||
.ts_data = &omap5430_core_temp_sensor_data, | ||
.domain = "core", | ||
}, | ||
}, | ||
.sensor_count = 3, | ||
}; |