/*
 * $Id: pi-usb.h,v 1.21 2007/02/09 16:11:37 desrod Exp $
 *
 * pi-usb.h: Support for USB-connected Palm devices
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Library General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#ifndef _PILOT_USB_H_
#define _PILOT_USB_H_

#include "pi-args.h"
#include "pi-buffer.h"

#ifdef __cplusplus
extern "C" {
#endif

#if defined(sun) && defined(__SVR4)
#define u_int8_t uint8_t
#define u_int16_t uint16_t
#define u_int32_t uint32_t
#endif

#define PI_USB_DEV     1

	struct pi_usb_data;

	typedef struct pi_usb_impl {
		int (*open) PI_ARGS((pi_socket_t *ps,
			struct pi_sockaddr *addr, size_t addrlen));
		int (*close) PI_ARGS((pi_socket_t *ps));

		ssize_t (*write) PI_ARGS((pi_socket_t *ps,
			PI_CONST unsigned char *buf, size_t len, int flags));
		ssize_t (*read) PI_ARGS((pi_socket_t *ps,
			 pi_buffer_t *buf, size_t expect, int flags));
		int (*flush) PI_ARGS((pi_socket_t *ps, int flags));
		int (*poll) PI_ARGS((pi_socket_t *ps, int timeout));

		int (*wait_for_device) PI_ARGS((pi_socket_t *ps, int *timeout));
		int (*changebaud) PI_ARGS((pi_socket_t *ps));
		int (*control_request) PI_ARGS((struct pi_usb_data *usb_data,
			int request_type, int request, int value, int reqindex,
			void *data, int size, int timeout));
	} pi_usb_impl_t;

#define USB_INIT_NONE		(1<<0)
#define USB_INIT_TAPWAVE	(1<<1)
#define USB_INIT_VISOR		(1<<2)
#define USB_INIT_SONY_CLIE	(1<<3)

	typedef struct pi_usb_dev {
		u_int16_t	vendor, product;
		u_int32_t	flags;
		char		*idstr;
	} pi_usb_dev_t;

	typedef struct pi_usb_data {
		struct pi_usb_impl impl;	/**< structure containing ptr to the actual implementations for the current platform */
		struct pi_usb_dev dev;		/**< device structure */

		unsigned char buf[256];		/**< temp. buffer to hold incoming data when peeking at init time */
		size_t buf_size;

		/* IO options */
		void *ref;			/**< Used by the platform implementation to keep a ptr to additional private data */

		/* Baud rate info (for USB serial adapters on platforms
		   where they connect through the USB layer, like Darwin) */
		int rate;			/**< Current port baud rate */
		int establishrate;		/**< Baud rate to use after link is established */
		int establishhighrate;		/**< Boolean: try to establish rate higher than the device publishes */

		int timeout;
	} pi_usb_data_t;

	extern pi_device_t *pi_usb_device PI_ARGS((int type));
	extern void pi_usb_impl_init PI_ARGS((struct pi_usb_impl *impl));
	extern int USB_check_device PI_ARGS((pi_usb_data_t *dev, u_int16_t vendor, u_int16_t product));
	extern int USB_configure_device PI_ARGS((pi_usb_data_t *dev, u_int8_t *input_pipe, u_int8_t *output_pipe));

	/* Start of the new generic USB pilot init stuff. */

	/*
	 * USB control requests we send to the devices From
	 * linux/drivers/usb/serial/visor.h
	 */
	#define GENERIC_REQUEST_BYTES_AVAILABLE         0x01
	#define GENERIC_CLOSE_NOTIFICATION              0x02
	#define VISOR_GET_CONNECTION_INFORMATION        0x03
	#define PALM_GET_EXT_CONNECTION_INFORMATION     0x04

	/*
	 * Reply struct and defines for VISOR_GET_CONNECTION_INFORMATION
	 */
	typedef struct
	{
		u_int16_t num_ports;
		struct
		{
			u_int8_t port_function_id;
			u_int8_t port;
		} connections[2];
	} visor_connection_info_t;

	/* struct visor_connection_info.connection[x].port defines: */
	#define VISOR_ENDPOINT_1        0x01
	#define VISOR_ENDPOINT_2        0x02

	/* struct visor_connection_info.connection[x].port_function_id defines: */
	#define VISOR_FUNCTION_GENERIC              0x00
	#define VISOR_FUNCTION_DEBUGGER             0x01
	#define VISOR_FUNCTION_HOTSYNC              0x02
	#define VISOR_FUNCTION_CONSOLE              0x03
	#define VISOR_FUNCTION_REMOTE_FILE_SYS      0x04

	/*
	 * Reply struct for PALM_GET_EXT_CONNECTION_INFORMATION
	 */
	typedef struct
	{
		u_int8_t num_ports;
		u_int8_t endpoint_numbers_different;
		u_int16_t reserved1;
		struct
		{
			char port_function_id[4];
			u_int8_t port;
			u_int8_t endpoint_info;
			u_int16_t reserved;
		} connections[2];
	} palm_ext_connection_info_t;


#ifdef __cplusplus
}
#endif
#endif