omap-bandgap.c File Reference

#include <linux/module.h>
#include <linux/export.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/err.h>
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/reboot.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
#include <linux/of_irq.h>
#include "omap-bandgap.h"

Go to the source code of this file.

Macros
#define	bandgap_is_valid(b)   (!IS_ERR_OR_NULL(b))
#define	bandgap_is_valid_sensor_id(b, i)   ((i) >= 0 && (i) < (b)->conf->sensor_count)
#define	DEV_PM_OPS   NULL

Functions
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)
	MODULE_DEVICE_TABLE (of, of_omap_bandgap_match)
	module_platform_driver (omap_bandgap_sensor_driver)
	MODULE_DESCRIPTION ("OMAP4+ bandgap temperature sensor driver")
	MODULE_LICENSE ("GPL v2")
	MODULE_ALIAS ("platform:omap-bandgap")
	MODULE_AUTHOR ("Texas Instrument Inc.")

Macro Definition Documentation

#define bandgap_is_valid

(

b

)

(!IS_ERR_OR_NULL(b))

Definition at line 372 of file omap-bandgap.c.

#define bandgap_is_valid_sensor_id	(		b,
			i
	)		((i) >= 0 && (i) < (b)->conf->sensor_count)

Definition at line 374 of file omap-bandgap.c.

#define DEV_PM_OPS   NULL

Definition at line 1144 of file omap-bandgap.c.

Function Documentation

MODULE_ALIAS

(

"platform:omap-bandgap"

)

MODULE_AUTHOR

(

"Texas Instrument Inc."

)

MODULE_DESCRIPTION

(

"OMAP4+ bandgap temperature sensor driver"

)

MODULE_DEVICE_TABLE	(	of	,
		of_omap_bandgap_match
	)

MODULE_LICENSE

(

"GPL v2"

)

module_platform_driver

(

omap_bandgap_sensor_driver

)

void* omap_bandgap_get_sensor_data	(	struct omap_bandgap *	bg_ptr,
		int	id
	)

omap_bandgap_get_sensor_data() - helper function to get thermal framework related data. - pointer to bandgap instance - sensor id

returns data stored by set function with sensor id on success or NULL

Definition at line 662 of file omap-bandgap.c.

int omap_bandgap_read_tcold	(	struct omap_bandgap *	bg_ptr,
		int	id,
		int *	tcold
	)

omap_bandgap_read_tcold() - reads sensor current tcold - pointer to bandgap instance - sensor id - resulting current tcold value

returns 0 on success or the proper error code

Definition at line 476 of file omap-bandgap.c.

int omap_bandgap_read_temperature	(	struct omap_bandgap *	bg_ptr,
		int	id,
		int *	temperature
	)

omap_bandgap_read_temperature() - report current temperature - pointer to bandgap instance - sensor id - resulting temperature

returns 0 on success or the proper error code

Definition at line 609 of file omap-bandgap.c.

int omap_bandgap_read_thot	(	struct omap_bandgap *	bg_ptr,
		int	id,
		int *	thot
	)

omap_bandgap_read_thot() - reads sensor current thot - pointer to bandgap instance - sensor id - resulting current thot value

returns 0 on success or the proper error code

Definition at line 401 of file omap-bandgap.c.

int omap_bandgap_read_update_interval	(	struct omap_bandgap *	bg_ptr,
		int	id,
		int *	interval
	)

omap_bandgap_read_update_interval() - read the sensor update interval - pointer to bandgap instance - sensor id - resulting update interval in miliseconds

returns 0 on success or the proper error code

Definition at line 549 of file omap-bandgap.c.

int omap_bandgap_set_sensor_data	(	struct omap_bandgap *	bg_ptr,
		int	id,
		void *	data
	)

omap_bandgap_set_sensor_data() - helper function to store thermal framework related data. - pointer to bandgap instance - sensor id - thermal framework related data to be stored

returns 0 on success or the proper error code

Definition at line 642 of file omap-bandgap.c.

int omap_bandgap_write_tcold	(	struct omap_bandgap *	bg_ptr,
		int	id,
		int	val
	)

omap_bandgap_write_tcold() - sets the sensor tcold - pointer to bandgap instance - sensor id - desired tcold value

returns 0 on success or the proper error code

Definition at line 511 of file omap-bandgap.c.

int omap_bandgap_write_thot	(	struct omap_bandgap *	bg_ptr,
		int	id,
		int	val
	)

omap_bandgap_write_thot() - sets sensor current thot - pointer to bandgap instance - sensor id - desired thot value

returns 0 on success or the proper error code

Definition at line 438 of file omap-bandgap.c.

int omap_bandgap_write_update_interval	(	struct omap_bandgap *	bg_ptr,
		int	id,
		u32	interval
	)

omap_bandgap_write_update_interval() - set the update interval - pointer to bandgap instance - sensor id - desired update interval in miliseconds

returns 0 on success or the proper error code

Definition at line 583 of file omap-bandgap.c.