diff options
Diffstat (limited to 'include/temp_sensor.h')
| -rw-r--r-- | include/temp_sensor.h | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/include/temp_sensor.h b/include/temp_sensor.h index 863f9d7d51..df937112e1 100644 --- a/include/temp_sensor.h +++ b/include/temp_sensor.h @@ -9,13 +9,30 @@ #define __CROS_EC_TEMP_SENSOR_H #include "common.h" +#include "board.h" -enum temp_sensor_id { - TEMP_SENSOR_CASE = 0, /* Case temperature */ - TEMP_SENSOR_CASE_DIE, /* Case temperature sensor die */ - TEMP_SENSOR_EC_INTERNAL, /* EC internal temperature sensor */ +/* "enum temp_sensor_id" must be defined for each board in board.h. */ +struct temp_sensor_t { + const char* name; + enum temp_sensor_id id; + /* Sensor address. Used by read and print functions. */ + int addr; + /* Read sensor value and return temperature in K. */ + int (*read)(const struct temp_sensor_t* self); + /* Print debug info on console. */ + int (*print)(const struct temp_sensor_t* self); }; +/* Dummy value to put in "addr" field in temp_sensor_t if we don't need to + * specify address. + */ +#define TEMP_SENSOR_NO_ADDR 0 + +/* Dummy value to put in "print" field in temp_sensor_t if we don't have debug + * function for a sensor. + */ +#define TEMP_SENSOR_NO_PRINT 0 + /* Initializes the module. */ int temp_sensor_init(void); @@ -23,4 +40,18 @@ int temp_sensor_init(void); * or -1 if error. */ int temp_sensor_read(enum temp_sensor_id id); + +#define TMP006_ADDR(PORT,REG) ((PORT << 16) + REG) +#define TMP006_PORT(ADDR) (ADDR >> 16) +#define TMP006_REG(ADDR) (ADDR & 0xffff) + +/* Read TI TMP006 temperature sensor. Return temperature in K. */ +int temp_sensor_tmp006_read(const struct temp_sensor_t* sensor); + +/* Configure TMP006 DRDY pin. */ +void temp_sensor_tmp006_config(const struct temp_sensor_t* sensor); + +/* Print debug messages for TMP006. */ +int temp_sensor_tmp006_print(const struct temp_sensor_t* sensor); + #endif /* __CROS_EC_TEMP_SENSOR_H */ |