Commit | Line | Data |
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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 */ | |
166d2f6a | 36 | #define HCI_UART_MAX_PROTO 5 |
1da177e4 LT |
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 | |
166d2f6a | 42 | #define HCI_UART_LL 4 |
1da177e4 | 43 | |
1da177e4 LT |
44 | struct hci_uart; |
45 | ||
46 | struct hci_uart_proto { | |
47 | unsigned int id; | |
48 | int (*open)(struct hci_uart *hu); | |
49 | int (*close)(struct hci_uart *hu); | |
50 | int (*flush)(struct hci_uart *hu); | |
51 | int (*recv)(struct hci_uart *hu, void *data, int len); | |
52 | int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb); | |
53 | struct sk_buff *(*dequeue)(struct hci_uart *hu); | |
54 | }; | |
55 | ||
56 | struct hci_uart { | |
0372a662 MH |
57 | struct tty_struct *tty; |
58 | struct hci_dev *hdev; | |
59 | unsigned long flags; | |
1da177e4 | 60 | |
0372a662 MH |
61 | struct hci_uart_proto *proto; |
62 | void *priv; | |
63 | ||
64 | struct sk_buff *tx_skb; | |
65 | unsigned long tx_state; | |
66 | spinlock_t rx_lock; | |
1da177e4 LT |
67 | }; |
68 | ||
69 | /* HCI_UART flag bits */ | |
0372a662 | 70 | #define HCI_UART_PROTO_SET 0 |
1da177e4 LT |
71 | |
72 | /* TX states */ | |
0372a662 MH |
73 | #define HCI_UART_SENDING 1 |
74 | #define HCI_UART_TX_WAKEUP 2 | |
1da177e4 LT |
75 | |
76 | int hci_uart_register_proto(struct hci_uart_proto *p); | |
77 | int hci_uart_unregister_proto(struct hci_uart_proto *p); | |
78 | int hci_uart_tx_wakeup(struct hci_uart *hu); | |
79 | ||
0372a662 MH |
80 | #ifdef CONFIG_BT_HCIUART_H4 |
81 | int h4_init(void); | |
82 | int h4_deinit(void); | |
83 | #endif | |
84 | ||
85 | #ifdef CONFIG_BT_HCIUART_BCSP | |
86 | int bcsp_init(void); | |
87 | int bcsp_deinit(void); | |
88 | #endif | |
166d2f6a OBC |
89 | |
90 | #ifdef CONFIG_BT_HCIUART_LL | |
91 | int ll_init(void); | |
92 | int ll_deinit(void); | |
93 | #endif |