/drivers/net/wireless/iwlwifi/iwl-5000-hw.h

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62 *****************************************************************************/
63/*
64 * Please use this file (iwl-5000-hw.h) only for hardware-related definitions.
65 * Use iwl-commands.h for uCode API definitions.
66 */
67
68#ifndef __iwl_5000_hw_h__
69#define __iwl_5000_hw_h__
70
71/* 5150 only */
72#define IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF	(-5)
73
74static inline s32 iwl_temp_calib_to_offset(struct iwl_priv *priv)
75{
76	u16 temperature, voltage;
77	__le16 *temp_calib =
78		(__le16 *)iwl_eeprom_query_addr(priv, EEPROM_TEMPERATURE);
79
80	temperature = le16_to_cpu(temp_calib[0]);
81	voltage = le16_to_cpu(temp_calib[1]);
82
83	/* offset = temp - volt / coeff */
84	return (s32)(temperature - voltage / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF);
85}
86
87#endif /* __iwl_5000_hw_h__ */
88