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Please, take a look at the cover letter for more details). Signed-off-by: Viktor Barna --- .../net/wireless/celeno/cl8k/temperature.h | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 drivers/net/wireless/celeno/cl8k/temperature.h diff --git a/drivers/net/wireless/celeno/cl8k/temperature.h b/drivers/net/wireless/celeno/cl8k/temperature.h new file mode 100644 index 000000000000..e5ab770199e8 --- /dev/null +++ b/drivers/net/wireless/celeno/cl8k/temperature.h @@ -0,0 +1,71 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ +/* Copyright(c) 2019-2022, Celeno Communications Ltd. */ + +#ifndef CL_TEMPERATURE_H +#define CL_TEMPERATURE_H + +#include + +#define CL_TEMP_PROTECT_INTERVAL_MS 40000 +#define CL_TEMP_PROTECT_NUM_SAMPLES 4 +#define CL_TEMP_PROTECT_RADIO_OFF_HYST 10 +#define CL_TEMP_COMP_ITERATIONS 4 +#define CL_TEMPERATURE_TIMER_INTERVAL_MS 4000 +#define CL_TEMPERATURE_UPDATE_INTERVAL_MS (CL_TEMPERATURE_TIMER_INTERVAL_MS - 100) + +enum cl_temp_state { + TEMP_PROTECT_OFF, + TEMP_PROTECT_INTERNAL, + TEMP_PROTECT_EXTERNAL, + TEMP_PROTECT_DIFF +}; + +enum cl_temp_mode { + TEMP_MODE_INTERNAL, + TEMP_MODE_EXTERNAL +}; + +struct cl_temp_comp_db { + s8 calib_temperature; + s8 power_offset; + s32 acc_temp_delta; + s32 avg_temp_delta; +}; + +struct cl_temp_protect_db { + bool force_radio_off; + u8 duty_cycle; + u8 test_mode_duty_cycle; + u8 curr_idx; + s16 last_samples[CL_TEMP_PROTECT_NUM_SAMPLES]; + unsigned long last_timestamp; +}; + +struct cl_temperature { + s8 diff_internal_external; + u8 comp_iterations; + struct cl_temp_protect_db protect_db; + struct task_struct *kthread; + wait_queue_head_t wait_done; + wait_queue_head_t measurement_done; + s16 internal_last; + s16 external_last; + unsigned long internal_read_timestamp; + unsigned long external_read_timestamp; + struct mutex mutex; + struct mutex hw_lock; + unsigned long used_hw_map; +}; + +struct cl_chip; + +void cl_temperature_init(struct cl_chip *chip); +void cl_temperature_close(struct cl_chip *chip); +s8 cl_temperature_read(struct cl_hw *cl_hw, enum cl_temp_mode mode); +void cl_temperature_recovery(struct cl_hw *cl_hw); +int cl_temperature_diff_e2p_read(struct cl_hw *cl_hw); +s16 cl_temperature_calib_calc(struct cl_hw *cl_hw, u16 raw_bits); +void cl_temperature_comp_update_calib(struct cl_hw *cl_hw); +void cl_temperature_wait_for_measurement(struct cl_chip *chip, u8 tcv_idx); + +#endif /* CL_TEMPERATURE_H */