i2c-proc.h

unxi下共享内存的使用

/* This defines several insmod variables, and the addr_data structure */
#define SENSORS_INSMOD \
  SENSORS_MODULE_PARM(probe, \
                      "List of adapter,address pairs to scan additionally"); \
  SENSORS_MODULE_PARM(probe_range, \
                      "List of adapter,start-addr,end-addr triples to scan " \
                      "additionally"); \
  SENSORS_MODULE_PARM(ignore, \
                      "List of adapter,address pairs not to scan"); \
  SENSORS_MODULE_PARM(ignore_range, \
                      "List of adapter,start-addr,end-addr triples not to " \
                      "scan"); \
  static struct i2c_address_data addr_data = \
                                       {normal_i2c, normal_i2c_range, \
                                        normal_isa, normal_isa_range, \
                                        probe, probe_range, \
                                        ignore, ignore_range, \
                                        forces}

/* The following functions create an enum with the chip names as elements. 
   The first element of the enum is any_chip. These are the only macros
   a module will want to use. */

#define SENSORS_INSMOD_0 \
  enum chips { any_chip }; \
  SENSORS_MODULE_PARM(force, \
                      "List of adapter,address pairs to boldly assume " \
                      "to be present"); \
  static struct i2c_force_data forces[] = {{force,any_chip},{NULL}}; \
  SENSORS_INSMOD

#define SENSORS_INSMOD_1(chip1) \
  enum chips { any_chip, chip1 }; \
  SENSORS_MODULE_PARM(force, \
                      "List of adapter,address pairs to boldly assume " \
                      "to be present"); \
  SENSORS_MODULE_PARM_FORCE(chip1); \
  static struct i2c_force_data forces[] = {{force,any_chip},\
                                                 {force_ ## chip1,chip1}, \
                                                 {NULL}}; \
  SENSORS_INSMOD

#define SENSORS_INSMOD_2(chip1,chip2) \
  enum chips { any_chip, chip1, chip2 }; \
  SENSORS_MODULE_PARM(force, \
                      "List of adapter,address pairs to boldly assume " \
                      "to be present"); \
  SENSORS_MODULE_PARM_FORCE(chip1); \
  SENSORS_MODULE_PARM_FORCE(chip2); \
  static struct i2c_force_data forces[] = {{force,any_chip}, \
                                                 {force_ ## chip1,chip1}, \
                                                 {force_ ## chip2,chip2}, \
                                                 {NULL}}; \
  SENSORS_INSMOD

#define SENSORS_INSMOD_3(chip1,chip2,chip3) \
  enum chips { any_chip, chip1, chip2, chip3 }; \
  SENSORS_MODULE_PARM(force, \
                      "List of adapter,address pairs to boldly assume " \
                      "to be present"); \
  SENSORS_MODULE_PARM_FORCE(chip1); \
  SENSORS_MODULE_PARM_FORCE(chip2); \
  SENSORS_MODULE_PARM_FORCE(chip3); \
  static struct i2c_force_data forces[] = {{force,any_chip}, \
                                                 {force_ ## chip1,chip1}, \
                                                 {force_ ## chip2,chip2}, \
                                                 {force_ ## chip3,chip3}, \
                                                 {NULL}}; \
  SENSORS_INSMOD

#define SENSORS_INSMOD_4(chip1,chip2,chip3,chip4) \
  enum chips { any_chip, chip1, chip2, chip3, chip4 }; \
  SENSORS_MODULE_PARM(force, \
                      "List of adapter,address pairs to boldly assume " \
                      "to be present"); \
  SENSORS_MODULE_PARM_FORCE(chip1); \
  SENSORS_MODULE_PARM_FORCE(chip2); \
  SENSORS_MODULE_PARM_FORCE(chip3); \
  SENSORS_MODULE_PARM_FORCE(chip4); \
  static struct i2c_force_data forces[] = {{force,any_chip}, \
                                                 {force_ ## chip1,chip1}, \
                                                 {force_ ## chip2,chip2}, \
                                                 {force_ ## chip3,chip3}, \
                                                 {force_ ## chip4,chip4}, \
                                                 {NULL}}; \
  SENSORS_INSMOD

#define SENSORS_INSMOD_5(chip1,chip2,chip3,chip4,chip5) \
  enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
  SENSORS_MODULE_PARM(force, \
                      "List of adapter,address pairs to boldly assume " \
                      "to be present"); \
  SENSORS_MODULE_PARM_FORCE(chip1); \
  SENSORS_MODULE_PARM_FORCE(chip2); \
  SENSORS_MODULE_PARM_FORCE(chip3); \
  SENSORS_MODULE_PARM_FORCE(chip4); \
  SENSORS_MODULE_PARM_FORCE(chip5); \
  static struct i2c_force_data forces[] = {{force,any_chip}, \
                                                 {force_ ## chip1,chip1}, \
                                                 {force_ ## chip2,chip2}, \
                                                 {force_ ## chip3,chip3}, \
                                                 {force_ ## chip4,chip4}, \
                                                 {force_ ## chip5,chip5}, \
                                                 {NULL}}; \
  SENSORS_INSMOD

#define SENSORS_INSMOD_6(chip1,chip2,chip3,chip4,chip5,chip6) \
  enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \
  SENSORS_MODULE_PARM(force, \
                      "List of adapter,address pairs to boldly assume " \
                      "to be present"); \
  SENSORS_MODULE_PARM_FORCE(chip1); \
  SENSORS_MODULE_PARM_FORCE(chip2); \
  SENSORS_MODULE_PARM_FORCE(chip3); \
  SENSORS_MODULE_PARM_FORCE(chip4); \
  SENSORS_MODULE_PARM_FORCE(chip5); \
  SENSORS_MODULE_PARM_FORCE(chip6); \
  static struct i2c_force_data forces[] = {{force,any_chip}, \
                                                 {force_ ## chip1,chip1}, \
                                                 {force_ ## chip2,chip2}, \
                                                 {force_ ## chip3,chip3}, \
                                                 {force_ ## chip4,chip4}, \
                                                 {force_ ## chip5,chip5}, \
                                                 {force_ ## chip6,chip6}, \
                                                 {NULL}}; \
  SENSORS_INSMOD

#define SENSORS_INSMOD_7(chip1,chip2,chip3,chip4,chip5,chip6,chip7) \
  enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, chip7 }; \
  SENSORS_MODULE_PARM(force, \
                      "List of adapter,address pairs to boldly assume " \
                      "to be present"); \
  SENSORS_MODULE_PARM_FORCE(chip1); \
  SENSORS_MODULE_PARM_FORCE(chip2); \
  SENSORS_MODULE_PARM_FORCE(chip3); \
  SENSORS_MODULE_PARM_FORCE(chip4); \
  SENSORS_MODULE_PARM_FORCE(chip5); \
  SENSORS_MODULE_PARM_FORCE(chip6); \
  SENSORS_MODULE_PARM_FORCE(chip7); \
  static struct i2c_force_data forces[] = {{force,any_chip}, \
                                                 {force_ ## chip1,chip1}, \
                                                 {force_ ## chip2,chip2}, \
                                                 {force_ ## chip3,chip3}, \
                                                 {force_ ## chip4,chip4}, \
                                                 {force_ ## chip5,chip5}, \
                                                 {force_ ## chip6,chip6}, \
                                                 {force_ ## chip7,chip7}, \
                                                 {NULL}}; \
  SENSORS_INSMOD

typedef int i2c_found_addr_proc(struct i2c_adapter *adapter,
				    int addr, unsigned short flags,
				    int kind);

/* Detect function. It iterates over all possible addresses itself. For
   SMBus addresses, it will only call found_proc if some client is connected
   to the SMBus (unless a 'force' matched); for ISA detections, this is not
   done. */
extern int i2c_detect(struct i2c_adapter *adapter,
			  struct i2c_address_data *address_data,
			  i2c_found_addr_proc * found_proc);


/* This macro is used to scale user-input to sensible values in almost all
   chip drivers. */
extern inline int SENSORS_LIMIT(long value, long low, long high)
{
	if (value < low)
		return low;
	else if (value > high)
		return high;
	else
		return value;
}

#endif				/* def __KERNEL__ */


/* The maximum length of the prefix */
#define SENSORS_PREFIX_MAX 20

/* Sysctl IDs */
#ifdef DEV_HWMON
#define DEV_SENSORS DEV_HWMON
#else				/* ndef DEV_HWMOM */
#define DEV_SENSORS 2		/* The id of the lm_sensors directory within the
				   dev table */
#endif				/* def DEV_HWMON */

#define SENSORS_CHIPS 1
struct i2c_chips_data {
	int sysctl_id;
	char name[SENSORS_PREFIX_MAX + 13];
};

#endif				/* def SENSORS_SENSORS_H */