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/*

 *

 *  Bluetooth HCI UART driver

 *

 *  Copyright (C) 2000-2001  Qualcomm Incorporated

 *  Copyright (C) 2002-2003  Maxim Krasnyansky <maxk@qualcomm.com>

 *  Copyright (C) 2004-2005  Marcel Holtmann <marcel@holtmann.org>

 *

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; either version 2 of the License, or

 *  (at your option) any later version.

 *

 *  This program 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 General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 */

#ifndef N_HCI

#define N_HCI   15

#endif

/* Ioctls */

#define HCIUARTSETPROTO         _IOW('U', 200, int)

#define HCIUARTGETPROTO         _IOR('U', 201, int)

#define HCIUARTGETDEVICE        _IOR('U', 202, int)

/* UART protocols */

#define HCI_UART_MAX_PROTO      5

#define HCI_UART_H4     0

#define HCI_UART_BCSP   1

#define HCI_UART_3WIRE  2

#define HCI_UART_H4DS   3

#define HCI_UART_LL     4

struct hci_uart;

struct hci_uart_proto {

        unsigned int id;

        int (*open)(struct hci_uart *hu);

        int (*close)(struct hci_uart *hu);

        int (*flush)(struct hci_uart *hu);

        int (*recv)(struct hci_uart *hu, void *data, int len);

        int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb);

        struct sk_buff *(*dequeue)(struct hci_uart *hu);

};

struct hci_uart {

        struct tty_struct       *tty;

        struct hci_dev          *hdev;

        unsigned long           flags;

        struct hci_uart_proto   *proto;

        void                    *priv;

        struct sk_buff          *tx_skb;

        unsigned long           tx_state;

        spinlock_t              rx_lock;

};

/* HCI_UART flag bits */

#define HCI_UART_PROTO_SET      0

/* TX states  */

#define HCI_UART_SENDING        1

#define HCI_UART_TX_WAKEUP      2

int hci_uart_register_proto(struct hci_uart_proto *p);

int hci_uart_unregister_proto(struct hci_uart_proto *p);

int hci_uart_tx_wakeup(struct hci_uart *hu);

#ifdef CONFIG_BT_HCIUART_H4

int h4_init(void);

int h4_deinit(void);

#endif

#ifdef CONFIG_BT_HCIUART_BCSP

int bcsp_init(void);

int bcsp_deinit(void);

#endif

#ifdef CONFIG_BT_HCIUART_LL

int ll_init(void);

int ll_deinit(void);

#endif