#ifndef __LINUX_MAPLE_H
  #define __LINUX_MAPLE_H
  
  #include <linux/device.h>

  #include <mach/maple.h>

  
  extern struct bus_type maple_bus_type;
  
  /* Maple Bus command and response codes */
  enum maple_code {

  	MAPLE_RESPONSE_FILEERR =	-5,
  	MAPLE_RESPONSE_AGAIN,	/* retransmit */
  	MAPLE_RESPONSE_BADCMD,
  	MAPLE_RESPONSE_BADFUNC,
  	MAPLE_RESPONSE_NONE,	/* unit didn't respond*/
  	MAPLE_COMMAND_DEVINFO =		1,
  	MAPLE_COMMAND_ALLINFO,
  	MAPLE_COMMAND_RESET,
  	MAPLE_COMMAND_KILL,
  	MAPLE_RESPONSE_DEVINFO,
  	MAPLE_RESPONSE_ALLINFO,
  	MAPLE_RESPONSE_OK,
  	MAPLE_RESPONSE_DATATRF,
  	MAPLE_COMMAND_GETCOND,
  	MAPLE_COMMAND_GETMINFO,
  	MAPLE_COMMAND_BREAD,
  	MAPLE_COMMAND_BWRITE,
  	MAPLE_COMMAND_BSYNC,
  	MAPLE_COMMAND_SETCOND,
  	MAPLE_COMMAND_MICCONTROL
  };
  
  enum maple_file_errors {
  	MAPLE_FILEERR_INVALID_PARTITION =	0x01000000,
  	MAPLE_FILEERR_PHASE_ERROR =		0x02000000,
  	MAPLE_FILEERR_INVALID_BLOCK =		0x04000000,
  	MAPLE_FILEERR_WRITE_ERROR =		0x08000000,
  	MAPLE_FILEERR_INVALID_WRITE_LENGTH =	0x10000000,
  	MAPLE_FILEERR_BAD_CRC = 		0x20000000
  };
  
  struct maple_buffer {
  	char bufx[0x400];
  	void *buf;

  };
  
  struct mapleq {

  	struct list_head list;
  	struct maple_device *dev;

  	struct maple_buffer *recvbuf;
  	void *sendbuf, *recvbuf_p2;

  	unsigned char length;
  	enum maple_code command;

  };
  
  struct maple_devinfo {

  	unsigned long function;
  	unsigned long function_data[3];
  	unsigned char area_code;

  	unsigned char connector_direction;

  	char product_name[31];
  	char product_licence[61];
  	unsigned short standby_power;
  	unsigned short max_power;

  };
  
  struct maple_device {

  	struct maple_driver *driver;
  	struct mapleq *mq;

  	void (*callback) (struct mapleq * mq);

  	void (*fileerr_handler)(struct maple_device *mdev, void *recvbuf);
  	int (*can_unload)(struct maple_device *mdev);

  	unsigned long when, interval, function;
  	struct maple_devinfo devinfo;
  	unsigned char port, unit;
  	char product_name[32];
  	char product_licence[64];

  	atomic_t busy;
  	wait_queue_head_t maple_wait;

  	struct device dev;

  };
  
  struct maple_driver {

  	unsigned long function;

  	struct device_driver drv;

  };
  
  void maple_getcond_callback(struct maple_device *dev,

  			    void (*callback) (struct mapleq * mq),
  			    unsigned long interval,
  			    unsigned long function);

  int maple_driver_register(struct maple_driver *);
  void maple_driver_unregister(struct maple_driver *);

  int maple_add_packet(struct maple_device *mdev, u32 function,

  	u32 command, u32 length, void *data);
  void maple_clear_dev(struct maple_device *mdev);

  
  #define to_maple_dev(n) container_of(n, struct maple_device, dev)
  #define to_maple_driver(n) container_of(n, struct maple_driver, drv)

  #define maple_get_drvdata(d)		dev_get_drvdata(&(d)->dev)
  #define maple_set_drvdata(d,p)		dev_set_drvdata(&(d)->dev, (p))

  #endif				/* __LINUX_MAPLE_H */