maple_bus.h

newos is new operation system

/*
** Copyright 2001, Travis Geiselbrecht. All rights reserved.
** Distributed under the terms of the NewOS License.
*/
/* KallistiOS 0.80

   maple.h
   (C)2000 Jordan DeLong

   $Id: maple.h,v 1.2 2000/11/09 04:41:02 bard Exp $

   Thanks to Marcus Comstedt for information on the Maple Bus.
*/
#ifndef _MAPLE_BUS_H
#define _MAPLE_BUS_H

#include <boot/stage2.h>
#include <kernel/kernel.h>

/* Command and response codes */
#define MAPLE_RESPONSE_FILEERR		-5
#define MAPLE_RESPONSE_AGAIN 		-4
#define MAPLE_RESPONSE_BADCMD		-3
#define MAPLE_RESPONSE_BADFUNC		-2
#define MAPLE_RESPONSE_NONE		-1
#define MAPLE_COMMAND_DEVINFO		1
#define MAPLE_COMMAND_ALLINFO		2
#define MAPLE_COMMAND_RESET		3
#define MAPLE_COMMAND_KILL		4
#define MAPLE_RESPONSE_DEVINFO		5
#define MAPLE_RESPONSE_ALLINFO		6
#define MAPLE_RESPONSE_OK		7
#define MAPLE_RESPONSE_DATATRF		8
#define MAPLE_COMMAND_GETCOND		9
#define MAPLE_COMMAND_GETMINFO		10
#define MAPLE_COMMAND_BREAD		11
#define MAPLE_COMMAND_BWRITE		12
#define MAPLE_COMMAND_SETCOND		14

/* Function codes */
#define MAPLE_FUNC_PURUPURU		(1<<16)
#define MAPLE_FUNC_MOUSE		(1<<17)
#define MAPLE_FUNC_CONTROLLER		(1<<24)
#define MAPLE_FUNC_MEMCARD		(1<<25)
#define MAPLE_FUNC_LCD			(1<<26)
#define MAPLE_FUNC_CLOCK		(1<<27)
#define MAPLE_FUNC_MICROPHONE		(1<<28)
#define MAPLE_FUNC_ARGUN		(1<<29)
#define MAPLE_FUNC_KEYBOARD		(1<<30)
#define MAPLE_FUNC_LIGHTGUN		(1<<31)

/* frame struct */
typedef struct {
	int8 cmd;			/* command (defined above) */
	uint8 to;			/* recipient address */
	uint8 from;			/* sender address */
	void *data;			/* ptr to parameter data */
	uint8 datalen;			/* length in words of data */
} maple_frame_t;

/* transfer descriptor struct */
typedef struct {
	uint8 lastdesc;			/* set to nonzero if this is the last descriptor */
	uint8 port;			/* port for transfer to go to, 0-3 */
	uint8 length;			/* length of data - 1 word */
	uint32 *recvaddr;		/* where the result gets written to */
	maple_frame_t *frames;		/* array of frames in this transfer */
	uint8 numframes;		/* number of frames in frames */
} maple_tdesc_t;

typedef struct {
	uint32		func;
	uint32		function_data[3];
	uint8		area_code;
	uint8		connector_direction;
	char		product_name[30];
	char		product_license[60];
	uint16		standby_power;
	uint16		max_power;
} maple_devinfo_t;

enum {
	MAPLE_IOCTL_GET_FUNC = 9876,
	MAPLE_IOCTL_SEND_COMMAND
};

// passed as an arg to MAPLE_IOCTL_SEND_COMMAND
typedef struct {
	int8 cmd;
	int8 outdatalen;
	void *outdata;
	int8 indatalen;
	void *indata;
	maple_frame_t *retframe;
} maple_command;

int maple_bus_init(kernel_args *ka);

#endif