/* * * Bluetooth HCI UART driver * * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com> * Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org> * Copyright (c) 2000-2001, 2010, 2012 The Linux Foundation. All rights reserved. * * * 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) #define HCIUARTSETFLAGS _IOW('U', 203, int) #define HCIUARTGETFLAGS _IOR('U', 204, int) /* UART protocols */ #define HCI_UART_MAX_PROTO 7 #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 #define HCI_UART_IBS 5 #define HCI_UART_ATH3K 6 #define HCI_UART_RAW_DEVICE 0 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; unsigned long hdev_flags; struct hci_uart_proto *proto; struct tasklet_struct tty_wakeup_task; void *priv; struct sk_buff *tx_skb; unsigned long tx_state; spinlock_t rx_lock; }; /* HCI_UART proto flag bits */ #define HCI_UART_PROTO_SET 0 #define HCI_UART_PROTO_SET_IN_PROGRESS 1 /* 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 #ifdef CONFIG_BT_HCIUART_ATH3K int ath_init(void); int ath_deinit(void); #endif #ifdef CONFIG_BT_HCIUART_IBS int ibs_init(void); int ibs_deinit(void); #endif