diff options
Diffstat (limited to 'drivers/staging/omap-thermal/omap-bandgap.h')
| -rw-r--r-- | drivers/staging/omap-thermal/omap-bandgap.h | 432 |
1 files changed, 0 insertions, 432 deletions
diff --git a/drivers/staging/omap-thermal/omap-bandgap.h b/drivers/staging/omap-thermal/omap-bandgap.h deleted file mode 100644 index 2bb14bd7c6d9..000000000000 --- a/drivers/staging/omap-thermal/omap-bandgap.h +++ /dev/null @@ -1,432 +0,0 @@ -/* - * OMAP4 Bandgap temperature sensor driver - * - * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ - * Contact: - * Eduardo Valentin <eduardo.valentin@ti.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * 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., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ -#ifndef __OMAP_BANDGAP_H -#define __OMAP_BANDGAP_H - -#include <linux/mutex.h> -#include <linux/types.h> -#include <linux/err.h> - -/* TEMP_SENSOR OMAP4430 */ -#define OMAP4430_BGAP_TSHUT_SHIFT 11 -#define OMAP4430_BGAP_TSHUT_MASK (1 << 11) - -/* TEMP_SENSOR OMAP4430 */ -#define OMAP4430_BGAP_TEMPSOFF_SHIFT 12 -#define OMAP4430_BGAP_TEMPSOFF_MASK (1 << 12) -#define OMAP4430_SINGLE_MODE_SHIFT 10 -#define OMAP4430_SINGLE_MODE_MASK (1 << 10) -#define OMAP4430_BGAP_TEMP_SENSOR_SOC_SHIFT 9 -#define OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK (1 << 9) -#define OMAP4430_BGAP_TEMP_SENSOR_EOCZ_SHIFT 8 -#define OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK (1 << 8) -#define OMAP4430_BGAP_TEMP_SENSOR_DTEMP_SHIFT 0 -#define OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK (0xff << 0) - -#define OMAP4430_ADC_START_VALUE 0 -#define OMAP4430_ADC_END_VALUE 127 -#define OMAP4430_MAX_FREQ 32768 -#define OMAP4430_MIN_FREQ 32768 -#define OMAP4430_MIN_TEMP -40000 -#define OMAP4430_MAX_TEMP 125000 -#define OMAP4430_HYST_VAL 5000 - -/* TEMP_SENSOR OMAP4460 */ -#define OMAP4460_BGAP_TEMPSOFF_SHIFT 13 -#define OMAP4460_BGAP_TEMPSOFF_MASK (1 << 13) -#define OMAP4460_BGAP_TEMP_SENSOR_SOC_SHIFT 11 -#define OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK (1 << 11) -#define OMAP4460_BGAP_TEMP_SENSOR_EOCZ_SHIFT 10 -#define OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK (1 << 10) -#define OMAP4460_BGAP_TEMP_SENSOR_DTEMP_SHIFT 0 -#define OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK (0x3ff << 0) - -/* BANDGAP_CTRL */ -#define OMAP4460_SINGLE_MODE_SHIFT 31 -#define OMAP4460_SINGLE_MODE_MASK (1 << 31) -#define OMAP4460_MASK_HOT_SHIFT 1 -#define OMAP4460_MASK_HOT_MASK (1 << 1) -#define OMAP4460_MASK_COLD_SHIFT 0 -#define OMAP4460_MASK_COLD_MASK (1 << 0) - -/* BANDGAP_COUNTER */ -#define OMAP4460_COUNTER_SHIFT 0 -#define OMAP4460_COUNTER_MASK (0xffffff << 0) - -/* BANDGAP_THRESHOLD */ -#define OMAP4460_T_HOT_SHIFT 16 -#define OMAP4460_T_HOT_MASK (0x3ff << 16) -#define OMAP4460_T_COLD_SHIFT 0 -#define OMAP4460_T_COLD_MASK (0x3ff << 0) - -/* TSHUT_THRESHOLD */ -#define OMAP4460_TSHUT_HOT_SHIFT 16 -#define OMAP4460_TSHUT_HOT_MASK (0x3ff << 16) -#define OMAP4460_TSHUT_COLD_SHIFT 0 -#define OMAP4460_TSHUT_COLD_MASK (0x3ff << 0) - -/* BANDGAP_STATUS */ -#define OMAP4460_CLEAN_STOP_SHIFT 3 -#define OMAP4460_CLEAN_STOP_MASK (1 << 3) -#define OMAP4460_BGAP_ALERT_SHIFT 2 -#define OMAP4460_BGAP_ALERT_MASK (1 << 2) -#define OMAP4460_HOT_FLAG_SHIFT 1 -#define OMAP4460_HOT_FLAG_MASK (1 << 1) -#define OMAP4460_COLD_FLAG_SHIFT 0 -#define OMAP4460_COLD_FLAG_MASK (1 << 0) - -/* TEMP_SENSOR OMAP5430 */ -#define OMAP5430_BGAP_TEMP_SENSOR_SOC_SHIFT 12 -#define OMAP5430_BGAP_TEMP_SENSOR_SOC_MASK (1 << 12) -#define OMAP5430_BGAP_TEMPSOFF_SHIFT 11 -#define OMAP5430_BGAP_TEMPSOFF_MASK (1 << 11) -#define OMAP5430_BGAP_TEMP_SENSOR_EOCZ_SHIFT 10 -#define OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK (1 << 10) -#define OMAP5430_BGAP_TEMP_SENSOR_DTEMP_SHIFT 0 -#define OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK (0x3ff << 0) - -/* BANDGAP_CTRL */ -#define OMAP5430_MASK_HOT_CORE_SHIFT 5 -#define OMAP5430_MASK_HOT_CORE_MASK (1 << 5) -#define OMAP5430_MASK_COLD_CORE_SHIFT 4 -#define OMAP5430_MASK_COLD_CORE_MASK (1 << 4) -#define OMAP5430_MASK_HOT_MM_SHIFT 3 -#define OMAP5430_MASK_HOT_MM_MASK (1 << 3) -#define OMAP5430_MASK_COLD_MM_SHIFT 2 -#define OMAP5430_MASK_COLD_MM_MASK (1 << 2) -#define OMAP5430_MASK_HOT_MPU_SHIFT 1 -#define OMAP5430_MASK_HOT_MPU_MASK (1 << 1) -#define OMAP5430_MASK_COLD_MPU_SHIFT 0 -#define OMAP5430_MASK_COLD_MPU_MASK (1 << 0) - -/* BANDGAP_COUNTER */ -#define OMAP5430_REPEAT_MODE_SHIFT 31 -#define OMAP5430_REPEAT_MODE_MASK (1 << 31) -#define OMAP5430_COUNTER_SHIFT 0 -#define OMAP5430_COUNTER_MASK (0xffffff << 0) - -/* BANDGAP_THRESHOLD */ -#define OMAP5430_T_HOT_SHIFT 16 -#define OMAP5430_T_HOT_MASK (0x3ff << 16) -#define OMAP5430_T_COLD_SHIFT 0 -#define OMAP5430_T_COLD_MASK (0x3ff << 0) - -/* TSHUT_THRESHOLD */ -#define OMAP5430_TSHUT_HOT_SHIFT 16 -#define OMAP5430_TSHUT_HOT_MASK (0x3ff << 16) -#define OMAP5430_TSHUT_COLD_SHIFT 0 -#define OMAP5430_TSHUT_COLD_MASK (0x3ff << 0) - -/* BANDGAP_STATUS */ -#define OMAP5430_BGAP_ALERT_SHIFT 31 -#define OMAP5430_BGAP_ALERT_MASK (1 << 31) -#define OMAP5430_HOT_CORE_FLAG_SHIFT 5 -#define OMAP5430_HOT_CORE_FLAG_MASK (1 << 5) -#define OMAP5430_COLD_CORE_FLAG_SHIFT 4 -#define OMAP5430_COLD_CORE_FLAG_MASK (1 << 4) -#define OMAP5430_HOT_MM_FLAG_SHIFT 3 -#define OMAP5430_HOT_MM_FLAG_MASK (1 << 3) -#define OMAP5430_COLD_MM_FLAG_SHIFT 2 -#define OMAP5430_COLD_MM_FLAG_MASK (1 << 2) -#define OMAP5430_HOT_MPU_FLAG_SHIFT 1 -#define OMAP5430_HOT_MPU_FLAG_MASK (1 << 1) -#define OMAP5430_COLD_MPU_FLAG_SHIFT 0 -#define OMAP5430_COLD_MPU_FLAG_MASK (1 << 0) - -/* Offsets from the base of temperature sensor registers */ - -/* 4430 - All goes relative to OPP_BGAP */ -#define OMAP4430_FUSE_OPP_BGAP 0x0 -#define OMAP4430_TEMP_SENSOR_CTRL_OFFSET 0xCC - -/* 4460 - All goes relative to OPP_BGAP */ -#define OMAP4460_FUSE_OPP_BGAP 0x0 -#define OMAP4460_TEMP_SENSOR_CTRL_OFFSET 0xCC -#define OMAP4460_BGAP_CTRL_OFFSET 0x118 -#define OMAP4460_BGAP_COUNTER_OFFSET 0x11C -#define OMAP4460_BGAP_THRESHOLD_OFFSET 0x120 -#define OMAP4460_BGAP_TSHUT_OFFSET 0x124 -#define OMAP4460_BGAP_STATUS_OFFSET 0x128 - -/* 5430 - All goes relative to OPP_BGAP_GPU */ -#define OMAP5430_FUSE_OPP_BGAP_GPU 0x0 -#define OMAP5430_TEMP_SENSOR_GPU_OFFSET 0x150 -#define OMAP5430_BGAP_COUNTER_GPU_OFFSET 0x1C0 -#define OMAP5430_BGAP_THRESHOLD_GPU_OFFSET 0x1A8 -#define OMAP5430_BGAP_TSHUT_GPU_OFFSET 0x1B4 - -#define OMAP5430_FUSE_OPP_BGAP_MPU 0x4 -#define OMAP5430_TEMP_SENSOR_MPU_OFFSET 0x14C -#define OMAP5430_BGAP_CTRL_OFFSET 0x1A0 -#define OMAP5430_BGAP_COUNTER_MPU_OFFSET 0x1BC -#define OMAP5430_BGAP_THRESHOLD_MPU_OFFSET 0x1A4 -#define OMAP5430_BGAP_TSHUT_MPU_OFFSET 0x1B0 -#define OMAP5430_BGAP_STATUS_OFFSET 0x1C8 - -#define OMAP5430_FUSE_OPP_BGAP_CORE 0x8 -#define OMAP5430_TEMP_SENSOR_CORE_OFFSET 0x154 -#define OMAP5430_BGAP_COUNTER_CORE_OFFSET 0x1C4 -#define OMAP5430_BGAP_THRESHOLD_CORE_OFFSET 0x1AC -#define OMAP5430_BGAP_TSHUT_CORE_OFFSET 0x1B8 - -#define OMAP4460_TSHUT_HOT 900 /* 122 deg C */ -#define OMAP4460_TSHUT_COLD 895 /* 100 deg C */ -#define OMAP4460_T_HOT 800 /* 73 deg C */ -#define OMAP4460_T_COLD 795 /* 71 deg C */ -#define OMAP4460_MAX_FREQ 1500000 -#define OMAP4460_MIN_FREQ 1000000 -#define OMAP4460_MIN_TEMP -40000 -#define OMAP4460_MAX_TEMP 123000 -#define OMAP4460_HYST_VAL 5000 -#define OMAP4460_ADC_START_VALUE 530 -#define OMAP4460_ADC_END_VALUE 932 - -#define OMAP5430_MPU_TSHUT_HOT 915 -#define OMAP5430_MPU_TSHUT_COLD 900 -#define OMAP5430_MPU_T_HOT 800 -#define OMAP5430_MPU_T_COLD 795 -#define OMAP5430_MPU_MAX_FREQ 1500000 -#define OMAP5430_MPU_MIN_FREQ 1000000 -#define OMAP5430_MPU_MIN_TEMP -40000 -#define OMAP5430_MPU_MAX_TEMP 125000 -#define OMAP5430_MPU_HYST_VAL 5000 -#define OMAP5430_ADC_START_VALUE 532 -#define OMAP5430_ADC_END_VALUE 934 - - -#define OMAP5430_GPU_TSHUT_HOT 915 -#define OMAP5430_GPU_TSHUT_COLD 900 -#define OMAP5430_GPU_T_HOT 800 -#define OMAP5430_GPU_T_COLD 795 -#define OMAP5430_GPU_MAX_FREQ 1500000 -#define OMAP5430_GPU_MIN_FREQ 1000000 -#define OMAP5430_GPU_MIN_TEMP -40000 -#define OMAP5430_GPU_MAX_TEMP 125000 -#define OMAP5430_GPU_HYST_VAL 5000 - -#define OMAP5430_CORE_TSHUT_HOT 915 -#define OMAP5430_CORE_TSHUT_COLD 900 -#define OMAP5430_CORE_T_HOT 800 -#define OMAP5430_CORE_T_COLD 795 -#define OMAP5430_CORE_MAX_FREQ 1500000 -#define OMAP5430_CORE_MIN_FREQ 1000000 -#define OMAP5430_CORE_MIN_TEMP -40000 -#define OMAP5430_CORE_MAX_TEMP 125000 -#define OMAP5430_CORE_HYST_VAL 5000 - -/** - * The register offsets and bit fields might change across - * OMAP versions hence populating them in this structure. - */ - -struct temp_sensor_registers { - u32 temp_sensor_ctrl; - u32 bgap_tempsoff_mask; - u32 bgap_soc_mask; - u32 bgap_eocz_mask; - u32 bgap_dtemp_mask; - - u32 bgap_mask_ctrl; - u32 mask_hot_mask; - u32 mask_cold_mask; - - u32 bgap_mode_ctrl; - u32 mode_ctrl_mask; - - u32 bgap_counter; - u32 counter_mask; - - u32 bgap_threshold; - u32 threshold_thot_mask; - u32 threshold_tcold_mask; - - u32 tshut_threshold; - u32 tshut_hot_mask; - u32 tshut_cold_mask; - - u32 bgap_status; - u32 status_clean_stop_mask; - u32 status_bgap_alert_mask; - u32 status_hot_mask; - u32 status_cold_mask; - - u32 bgap_efuse; -}; - -/** - * The thresholds and limits for temperature sensors. - */ -struct temp_sensor_data { - u32 tshut_hot; - u32 tshut_cold; - u32 t_hot; - u32 t_cold; - u32 min_freq; - u32 max_freq; - int max_temp; - int min_temp; - int hyst_val; - u32 adc_start_val; - u32 adc_end_val; - u32 update_int1; - u32 update_int2; -}; - -struct omap_bandgap_data; - -/** - * struct omap_bandgap - bandgap device structure - * @dev: device pointer - * @conf: platform data with sensor data - * @fclock: pointer to functional clock of temperature sensor - * @div_clk: pointer to parent clock of temperature sensor fclk - * @conv_table: Pointer to adc to temperature conversion table - * @bg_mutex: Mutex for sysfs, irq and PM - * @irq: MPU Irq number for thermal alert - * @tshut_gpio: GPIO where Tshut signal is routed - * @clk_rate: Holds current clock rate - */ -struct omap_bandgap { - struct device *dev; - void __iomem *base; - struct omap_bandgap_data *conf; - struct clk *fclock; - struct clk *div_clk; - const int *conv_table; - struct mutex bg_mutex; /* Mutex for irq and PM */ - int irq; - int tshut_gpio; - u32 clk_rate; -}; - -/** - * struct temp_sensor_regval - temperature sensor register values - * @bg_mode_ctrl: temp sensor control register value - * @bg_ctrl: bandgap ctrl register value - * @bg_counter: bandgap counter value - * @bg_threshold: bandgap threshold register value - * @tshut_threshold: bandgap tshut register value - */ -struct temp_sensor_regval { - u32 bg_mode_ctrl; - u32 bg_ctrl; - u32 bg_counter; - u32 bg_threshold; - u32 tshut_threshold; -}; - -/** - * struct omap_temp_sensor - bandgap temperature sensor platform data - * @ts_data: pointer to struct with thresholds, limits of temperature sensor - * @registers: pointer to the list of register offsets and bitfields - * @regval: temperature sensor register values - * @domain: the name of the domain where the sensor is located - * @cooling_data: description on how the zone should be cooled off. - * @slope: sensor gradient slope info for hotspot extrapolation - * @const: sensor gradient const info for hotspot extrapolation - * @slope_pcb: sensor gradient slope info for hotspot extrapolation - * with no external influence - * @const_pcb: sensor gradient const info for hotspot extrapolation - * with no external influence - * @data: private data - * @register_cooling: function to describe how this sensor is going to be cooled - * @unregister_cooling: function to release cooling data - */ -struct omap_temp_sensor { - struct temp_sensor_data *ts_data; - struct temp_sensor_registers *registers; - struct temp_sensor_regval regval; - char *domain; - /* for hotspot extrapolation */ - const int slope; - const int constant; - const int slope_pcb; - const int constant_pcb; - void *data; - int (*register_cooling)(struct omap_bandgap *bg_ptr, int id); - int (*unregister_cooling)(struct omap_bandgap *bg_ptr, int id); -}; - -/** - * struct omap_bandgap_data - bandgap platform data structure - * @features: a bitwise flag set to describe the device features - * @conv_table: Pointer to adc to temperature conversion table - * @fclock_name: clock name of the functional clock - * @div_ck_nme: clock name of the clock divisor - * @sensor_count: count of temperature sensor device in scm - * @sensors: array of sensors present in this bandgap instance - * @expose_sensor: callback to export sensor to thermal API - */ -struct omap_bandgap_data { -#define OMAP_BANDGAP_FEATURE_TSHUT (1 << 0) -#define OMAP_BANDGAP_FEATURE_TSHUT_CONFIG (1 << 1) -#define OMAP_BANDGAP_FEATURE_TALERT (1 << 2) -#define OMAP_BANDGAP_FEATURE_MODE_CONFIG (1 << 3) -#define OMAP_BANDGAP_FEATURE_COUNTER (1 << 4) -#define OMAP_BANDGAP_FEATURE_POWER_SWITCH (1 << 5) -#define OMAP_BANDGAP_HAS(b, f) \ - ((b)->conf->features & OMAP_BANDGAP_FEATURE_ ## f) - unsigned int features; - const int *conv_table; - char *fclock_name; - char *div_ck_name; - int sensor_count; - int (*report_temperature)(struct omap_bandgap *bg_ptr, int id); - int (*expose_sensor)(struct omap_bandgap *bg_ptr, int id, char *domain); - int (*remove_sensor)(struct omap_bandgap *bg_ptr, int id); - - /* this needs to be at the end */ - struct omap_temp_sensor sensors[]; -}; - -int omap_bandgap_read_thot(struct omap_bandgap *bg_ptr, int id, int *thot); -int omap_bandgap_write_thot(struct omap_bandgap *bg_ptr, int id, int val); -int omap_bandgap_read_tcold(struct omap_bandgap *bg_ptr, int id, int *tcold); -int omap_bandgap_write_tcold(struct omap_bandgap *bg_ptr, int id, int val); -int omap_bandgap_read_update_interval(struct omap_bandgap *bg_ptr, int id, - int *interval); -int omap_bandgap_write_update_interval(struct omap_bandgap *bg_ptr, int id, - u32 interval); -int omap_bandgap_read_temperature(struct omap_bandgap *bg_ptr, int id, - int *temperature); -int omap_bandgap_set_sensor_data(struct omap_bandgap *bg_ptr, int id, - void *data); -void *omap_bandgap_get_sensor_data(struct omap_bandgap *bg_ptr, int id); - -#ifdef CONFIG_OMAP4_THERMAL -extern const struct omap_bandgap_data omap4430_data; -extern const struct omap_bandgap_data omap4460_data; -extern const struct omap_bandgap_data omap4470_data; -#else -#define omap4430_data NULL -#define omap4460_data NULL -#define omap4470_data NULL -#endif - -#ifdef CONFIG_OMAP5_THERMAL -extern const struct omap_bandgap_data omap5430_data; -#else -#define omap5430_data NULL -#endif - -#endif |