1 /* 2 * 3 * Bluetooth HCI UART driver 4 * 5 * Copyright (C) 2000-2001 Qualcomm Incorporated 6 * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com> 7 * Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org> 8 * 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 * 24 */ 25 26 #ifndef N_HCI 27 #define N_HCI 15 28 #endif 29 30 /* Ioctls */ 31 #define HCIUARTSETPROTO _IOW('U', 200, int) 32 #define HCIUARTGETPROTO _IOR('U', 201, int) 33 #define HCIUARTGETDEVICE _IOR('U', 202, int) 34 #define HCIUARTSETFLAGS _IOW('U', 203, int) 35 #define HCIUARTGETFLAGS _IOR('U', 204, int) 36 37 /* UART protocols */ 38 #define HCI_UART_MAX_PROTO 6 39 40 #define HCI_UART_H4 0 41 #define HCI_UART_BCSP 1 42 #define HCI_UART_3WIRE 2 43 #define HCI_UART_H4DS 3 44 #define HCI_UART_LL 4 45 #define HCI_UART_ATH3K 5 46 47 #define HCI_UART_RAW_DEVICE 0 48 #define HCI_UART_RESET_ON_INIT 1 49 #define HCI_UART_CREATE_AMP 2 50 #define HCI_UART_INIT_PENDING 3 51 52 struct hci_uart; 53 54 struct hci_uart_proto { 55 unsigned int id; 56 int (*open)(struct hci_uart *hu); 57 int (*close)(struct hci_uart *hu); 58 int (*flush)(struct hci_uart *hu); 59 int (*recv)(struct hci_uart *hu, void *data, int len); 60 int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb); 61 struct sk_buff *(*dequeue)(struct hci_uart *hu); 62 }; 63 64 struct hci_uart { 65 struct tty_struct *tty; 66 struct hci_dev *hdev; 67 unsigned long flags; 68 unsigned long hdev_flags; 69 70 struct work_struct init_ready; 71 72 struct hci_uart_proto *proto; 73 void *priv; 74 75 struct sk_buff *tx_skb; 76 unsigned long tx_state; 77 spinlock_t rx_lock; 78 }; 79 80 /* HCI_UART proto flag bits */ 81 #define HCI_UART_PROTO_SET 0 82 #define HCI_UART_REGISTERED 1 83 84 /* TX states */ 85 #define HCI_UART_SENDING 1 86 #define HCI_UART_TX_WAKEUP 2 87 88 int hci_uart_register_proto(struct hci_uart_proto *p); 89 int hci_uart_unregister_proto(struct hci_uart_proto *p); 90 int hci_uart_tx_wakeup(struct hci_uart *hu); 91 int hci_uart_init_ready(struct hci_uart *hu); 92 93 #ifdef CONFIG_BT_HCIUART_H4 94 int h4_init(void); 95 int h4_deinit(void); 96 #endif 97 98 #ifdef CONFIG_BT_HCIUART_BCSP 99 int bcsp_init(void); 100 int bcsp_deinit(void); 101 #endif 102 103 #ifdef CONFIG_BT_HCIUART_LL 104 int ll_init(void); 105 int ll_deinit(void); 106 #endif 107 108 #ifdef CONFIG_BT_HCIUART_ATH3K 109 int ath_init(void); 110 int ath_deinit(void); 111 #endif 112 113 #ifdef CONFIG_BT_HCIUART_3WIRE 114 int h5_init(void); 115 int h5_deinit(void); 116 #endif 117