// SPDX-License-Identifier: GPL-2.0-only /* * Broadcom STB AVS TMON thermal sensor driver * * Copyright (c) 2015-2017 Broadcom */ #define DRV_NAME … #define pr_fmt(fmt) … #include <linux/bitops.h> #include <linux/device.h> #include <linux/err.h> #include <linux/io.h> #include <linux/irqreturn.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> #include <linux/thermal.h> #define AVS_TMON_STATUS … #define AVS_TMON_STATUS_valid_msk … #define AVS_TMON_STATUS_data_msk … #define AVS_TMON_STATUS_data_shift … #define AVS_TMON_EN_OVERTEMP_RESET … #define AVS_TMON_EN_OVERTEMP_RESET_msk … #define AVS_TMON_RESET_THRESH … #define AVS_TMON_RESET_THRESH_msk … #define AVS_TMON_RESET_THRESH_shift … #define AVS_TMON_INT_IDLE_TIME … #define AVS_TMON_EN_TEMP_INT_SRCS … #define AVS_TMON_EN_TEMP_INT_SRCS_high … #define AVS_TMON_EN_TEMP_INT_SRCS_low … #define AVS_TMON_INT_THRESH … #define AVS_TMON_INT_THRESH_high_msk … #define AVS_TMON_INT_THRESH_high_shift … #define AVS_TMON_INT_THRESH_low_msk … #define AVS_TMON_INT_THRESH_low_shift … #define AVS_TMON_TEMP_INT_CODE … #define AVS_TMON_TP_TEST_ENABLE … /* Default coefficients */ #define AVS_TMON_TEMP_SLOPE … #define AVS_TMON_TEMP_OFFSET … /* HW related temperature constants */ #define AVS_TMON_TEMP_MAX … #define AVS_TMON_TEMP_MIN … #define AVS_TMON_TEMP_MASK … enum avs_tmon_trip_type { … }; struct avs_tmon_trip { … }; static struct avs_tmon_trip avs_tmon_trips[] = …; struct brcmstb_thermal_params { … }; struct brcmstb_thermal_priv { … }; /* Convert a HW code to a temperature reading (millidegree celsius) */ static inline int avs_tmon_code_to_temp(struct brcmstb_thermal_priv *priv, u32 code) { … } /* * Convert a temperature value (millidegree celsius) to a HW code * * @temp: temperature to convert * @low: if true, round toward the low side */ static inline u32 avs_tmon_temp_to_code(struct brcmstb_thermal_priv *priv, int temp, bool low) { … } static int brcmstb_get_temp(struct thermal_zone_device *tz, int *temp) { … } static void avs_tmon_trip_enable(struct brcmstb_thermal_priv *priv, enum avs_tmon_trip_type type, int en) { … } static int avs_tmon_get_trip_temp(struct brcmstb_thermal_priv *priv, enum avs_tmon_trip_type type) { … } static void avs_tmon_set_trip_temp(struct brcmstb_thermal_priv *priv, enum avs_tmon_trip_type type, int temp) { … } static int avs_tmon_get_intr_temp(struct brcmstb_thermal_priv *priv) { … } static irqreturn_t brcmstb_tmon_irq_thread(int irq, void *data) { … } static int brcmstb_set_trips(struct thermal_zone_device *tz, int low, int high) { … } static const struct thermal_zone_device_ops brcmstb_16nm_of_ops = …; static const struct brcmstb_thermal_params brcmstb_16nm_params = …; static const struct thermal_zone_device_ops brcmstb_28nm_of_ops = …; static const struct brcmstb_thermal_params brcmstb_28nm_params = …; static const struct of_device_id brcmstb_thermal_id_table[] = …; MODULE_DEVICE_TABLE(of, brcmstb_thermal_id_table); static int brcmstb_thermal_probe(struct platform_device *pdev) { … } static struct platform_driver brcmstb_thermal_driver = …; module_platform_driver(…) …; MODULE_LICENSE(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …;
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