projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 0372a662 MH |
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 | * | |
| 1da177e4 LT |
24 | */ |
| 25 | ||
| 0372a662 | 26 | #ifndef N_HCI |
| 1da177e4 LT |
27 | #define N_HCI 15 |
| 28 | #endif | |
| 29 | ||
| 30 | /* Ioctls */ | |
| d2158744 MH |
31 | #define HCIUARTSETPROTO _IOW('U', 200, int) |
| 32 | #define HCIUARTGETPROTO _IOR('U', 201, int) | |
| 33 | #define HCIUARTGETDEVICE _IOR('U', 202, int) | |
| 1da177e4 LT |
34 | |
| 35 | /* UART protocols */ | |
| 36 | #define HCI_UART_MAX_PROTO 4 | |
| 37 | ||
| 38 | #define HCI_UART_H4 0 | |
| 39 | #define HCI_UART_BCSP 1 | |
| 40 | #define HCI_UART_3WIRE 2 | |
| 41 | #define HCI_UART_H4DS 3 | |
| 42 | ||
| 1da177e4 LT |
43 | struct hci_uart; |
| 44 | ||
| 45 | struct hci_uart_proto { | |
| 46 | unsigned int id; | |
| 47 | int (*open)(struct hci_uart *hu); | |
| 48 | int (*close)(struct hci_uart *hu); | |
| 49 | int (*flush)(struct hci_uart *hu); | |
| 50 | int (*recv)(struct hci_uart *hu, void *data, int len); | |
| 51 | int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb); | |
| 52 | struct sk_buff *(*dequeue)(struct hci_uart *hu); | |
| 53 | }; | |
| 54 | ||
| 55 | struct hci_uart { | |
| 0372a662 MH |
56 | struct tty_struct *tty; |
| 57 | struct hci_dev *hdev; | |
| 58 | unsigned long flags; | |
| 1da177e4 | 59 | |
| 0372a662 MH |
60 | struct hci_uart_proto *proto; |
| 61 | void *priv; | |
| 62 | ||
| 63 | struct sk_buff *tx_skb; | |
| 64 | unsigned long tx_state; | |
| 65 | spinlock_t rx_lock; | |
| 1da177e4 LT |
66 | }; |
| 67 | ||
| 68 | /* HCI_UART flag bits */ | |
| 0372a662 | 69 | #define HCI_UART_PROTO_SET 0 |
| 1da177e4 LT |
70 | |
| 71 | /* TX states */ | |
| 0372a662 MH |
72 | #define HCI_UART_SENDING 1 |
| 73 | #define HCI_UART_TX_WAKEUP 2 | |
| 1da177e4 LT |
74 | |
| 75 | int hci_uart_register_proto(struct hci_uart_proto *p); | |
| 76 | int hci_uart_unregister_proto(struct hci_uart_proto *p); | |
| 77 | int hci_uart_tx_wakeup(struct hci_uart *hu); | |
| 78 | ||
| 0372a662 MH |
79 | #ifdef CONFIG_BT_HCIUART_H4 |
| 80 | int h4_init(void); | |
| 81 | int h4_deinit(void); | |
| 82 | #endif | |
| 83 | ||
| 84 | #ifdef CONFIG_BT_HCIUART_BCSP | |
| 85 | int bcsp_init(void); | |
| 86 | int bcsp_deinit(void); | |
| 87 | #endif |