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1da177e4 LT |
1 | /* |
2 | BlueZ - Bluetooth protocol stack for Linux | |
3 | Copyright (C) 2000-2001 Qualcomm Incorporated | |
4 | ||
5 | Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License version 2 as | |
9 | published by the Free Software Foundation; | |
10 | ||
11 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
12 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
13 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
14 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
15 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES | |
16 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
17 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
18 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
19 | ||
20 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, | |
21 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
22 | SOFTWARE IS DISCLAIMED. | |
23 | */ | |
24 | ||
25 | /* | |
26 | * $Id: hci_uart.h,v 1.2 2002/09/09 01:17:32 maxk Exp $ | |
27 | */ | |
28 | ||
29 | #ifndef N_HCI | |
30 | #define N_HCI 15 | |
31 | #endif | |
32 | ||
33 | /* Ioctls */ | |
34 | #define HCIUARTSETPROTO _IOW('U', 200, int) | |
35 | #define HCIUARTGETPROTO _IOR('U', 201, int) | |
36 | ||
37 | /* UART protocols */ | |
38 | #define HCI_UART_MAX_PROTO 4 | |
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 | ||
45 | #ifdef __KERNEL__ | |
46 | struct hci_uart; | |
47 | ||
48 | struct hci_uart_proto { | |
49 | unsigned int id; | |
50 | int (*open)(struct hci_uart *hu); | |
51 | int (*close)(struct hci_uart *hu); | |
52 | int (*flush)(struct hci_uart *hu); | |
53 | int (*recv)(struct hci_uart *hu, void *data, int len); | |
54 | int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb); | |
55 | struct sk_buff *(*dequeue)(struct hci_uart *hu); | |
56 | }; | |
57 | ||
58 | struct hci_uart { | |
59 | struct tty_struct *tty; | |
60 | struct hci_dev *hdev; | |
61 | unsigned long flags; | |
62 | ||
63 | struct hci_uart_proto *proto; | |
64 | void *priv; | |
65 | ||
66 | struct sk_buff *tx_skb; | |
67 | unsigned long tx_state; | |
68 | spinlock_t rx_lock; | |
69 | }; | |
70 | ||
71 | /* HCI_UART flag bits */ | |
72 | #define HCI_UART_PROTO_SET 0 | |
73 | ||
74 | /* TX states */ | |
75 | #define HCI_UART_SENDING 1 | |
76 | #define HCI_UART_TX_WAKEUP 2 | |
77 | ||
78 | int hci_uart_register_proto(struct hci_uart_proto *p); | |
79 | int hci_uart_unregister_proto(struct hci_uart_proto *p); | |
80 | int hci_uart_tx_wakeup(struct hci_uart *hu); | |
81 | ||
82 | #endif /* __KERNEL__ */ |