/* * Definitions for ADB (Apple Desktop Bus) support. */#ifndef __ADB_H#define __ADB_H /* ADB commands */#define ADB_BUSRESET		0#define ADB_FLUSH(id)		(0x01 | ((id) << 4))#define ADB_WRITEREG(id, reg)	(0x08 | (reg) | ((id) << 4))#define ADB_READREG(id, reg)	(0x0C | (reg) | ((id) << 4)) /* ADB default device IDs (upper 4 bits of ADB command byte) */#define ADB_DONGLE	1	/* "software execution control" devices */#define ADB_KEYBOARD	2#define ADB_MOUSE	3#define ADB_TABLET	4#define ADB_MODEM	5#define ADB_MISC	7	/* maybe a monitor */ #define ADB_RET_OK	0#define ADB_RET_TIMEOUT	3 /* The kind of ADB request. The controller may emulate some   or all of those CUDA/PMU packet kinds */#define ADB_PACKET	0#define CUDA_PACKET	1#define ERROR_PACKET	2#define TIMER_PACKET	3#define POWER_PACKET	4#define MACIIC_PACKET	5#define PMU_PACKET	6#define ADB_QUERY	7 /* ADB queries */ /* ADB_QUERY_GETDEVINFO * Query ADB slot for device presence * data[2] = id, rep[0] = orig addr, rep[1] = handler_id */#define ADB_QUERY_GETDEVINFO	1 #ifdef __KERNEL__ struct adb_request {	unsigned char data[32];	int nbytes;	unsigned char reply[32];	int reply_len;	unsigned char reply_expected;	unsigned char sent;	unsigned char complete;	void (*done)(struct adb_request *);	void *arg;	struct adb_request *next;}; struct adb_ids {	int nids;	unsigned char id[16];}; /* Structure which encapsulates a low-level ADB driver */ struct adb_driver {	char name[16];	int (*probe)(void);	int (*init)(void);	int (*send_request)(struct adb_request *req, int sync);	int (*autopoll)(int devs);	void (*poll)(void);	int (*reset_bus)(void);}; /* Values for adb_request flags */#define ADBREQ_REPLY	1	/* expect reply */#define ADBREQ_SYNC	2	/* poll until done */#define ADBREQ_NOSEND	4	/* build the request, but don't send it */ /* Messages sent thru the client_list notifier. You should NOT stop   the operation, at least not with this version */enum adb_message {    ADB_MSG_POWERDOWN,	/* Currently called before sleep only */    ADB_MSG_PRE_RESET,	/* Called before resetting the bus */    ADB_MSG_POST_RESET	/* Called after resetting the bus (re-do init & register) */};extern struct blocking_notifier_head adb_client_list; int adb_request(struct adb_request *req, void (*done)(struct adb_request *),		int flags, int nbytes, ...);int adb_register(int default_id,int handler_id,struct adb_ids *ids,		 void (*handler)(unsigned char *, int, int));int adb_unregister(int index);void adb_poll(void);void adb_input(unsigned char *, int, int);int adb_reset_bus(void); int adb_try_handler_change(int address, int new_id);int adb_get_infos(int address, int *original_address, int *handler_id); #endif /* __KERNEL__ */ #endif /* __ADB_H */