#ifndef OPENPSU_EXT_CONTROL_H_
#define OPENPSU_EXT_CONTROL_H_

#ifdef IN_FIRMWARE

#include "util.h"

void extctl_init(void);

#endif /* IN_FIRMWARE */


/* Public external control API. */

struct extctl_command {
	/* The command ID number. */
	uint8_t id;
	/* The command payload data. */
	le32_t data;
	/* Checksum for this command packet. */
	uint8_t checksum;
} __attribute__((__packed__));

struct extctl_reply {
	/* The reply payload data. */
	le32_t data;
	/* Checksum for this reply packet. */
	uint8_t checksum;
} __attribute__((__packed__));

enum {
	EXTCTL_CMD_NOP = 0,		/* No operation */
	EXTCTL_CMD_SETVOLTAGE,		/* Set the Voltage in a profile */
	EXTCTL_CMD_GETVOLTAGE,		/* Get the Voltage of a profile */
	EXTCTL_CMD_SETMAXCUR,		/* Set the Current limit in a profile */
	EXTCTL_CMD_GETMAXCUR,		/* Get the Current limit of a profile */
	EXTCTL_CMD_SWITCHPROF,		/* Switch the profile */
	EXTCTL_CMD_GETPROF,		/* Get the active profile */
};
enum {
	EXTCTL_CMD_RESULT_OK = 0,
	EXTCTL_CMD_RESULT_ENOTIMPL,	/* Command not implemented */
	EXTCTL_CMD_RESULT_ENOBUFS,	/* No buffer space available */
	EXTCTL_CMD_RESULT_EBUSY,	/* Busy */
	EXTCTL_CMD_RESULT_ENOTAVAIL,	/* Service not available */
	EXTCTL_CMD_RESULT_EINVAL,	/* Invalid value */
	EXTCTL_CMD_RESULT_ECSUM,	/* Checksum error */
};

#endif /* OPENPSU_EXT_CONTROL_H_ */