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) | |
63c7d09c JH |
34 | #define HCIUARTSETFLAGS _IOW('U', 203, int) |
35 | #define HCIUARTGETFLAGS _IOR('U', 204, int) | |
1da177e4 LT |
36 | |
37 | /* UART protocols */ | |
e9a2dd26 | 38 | #define HCI_UART_MAX_PROTO 8 |
1da177e4 LT |
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 | |
166d2f6a | 44 | #define HCI_UART_LL 4 |
b3190df6 | 45 | #define HCI_UART_ATH3K 5 |
16e3887f | 46 | #define HCI_UART_INTEL 6 |
e9a2dd26 | 47 | #define HCI_UART_BCM 7 |
1da177e4 | 48 | |
63c7d09c | 49 | #define HCI_UART_RAW_DEVICE 0 |
a55e1f38 | 50 | #define HCI_UART_RESET_ON_INIT 1 |
8a7a3fd6 | 51 | #define HCI_UART_CREATE_AMP 2 |
9f2aee84 | 52 | #define HCI_UART_INIT_PENDING 3 |
6afd04ad | 53 | #define HCI_UART_EXT_CONFIG 4 |
fb2ce8d1 | 54 | #define HCI_UART_VND_DETECT 5 |
63c7d09c | 55 | |
1da177e4 LT |
56 | struct hci_uart; |
57 | ||
58 | struct hci_uart_proto { | |
59 | unsigned int id; | |
7c40fb8d | 60 | const char *name; |
1da177e4 LT |
61 | int (*open)(struct hci_uart *hu); |
62 | int (*close)(struct hci_uart *hu); | |
63 | int (*flush)(struct hci_uart *hu); | |
6ae4fddf | 64 | int (*setup)(struct hci_uart *hu); |
9d1c40eb | 65 | int (*recv)(struct hci_uart *hu, const void *data, int len); |
1da177e4 LT |
66 | int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb); |
67 | struct sk_buff *(*dequeue)(struct hci_uart *hu); | |
68 | }; | |
69 | ||
70 | struct hci_uart { | |
0372a662 MH |
71 | struct tty_struct *tty; |
72 | struct hci_dev *hdev; | |
73 | unsigned long flags; | |
63c7d09c | 74 | unsigned long hdev_flags; |
1da177e4 | 75 | |
9f2aee84 | 76 | struct work_struct init_ready; |
da64c27d | 77 | struct work_struct write_work; |
9f2aee84 | 78 | |
4ee7ef19 | 79 | const struct hci_uart_proto *proto; |
0372a662 MH |
80 | void *priv; |
81 | ||
82 | struct sk_buff *tx_skb; | |
83 | unsigned long tx_state; | |
84 | spinlock_t rx_lock; | |
1da177e4 LT |
85 | }; |
86 | ||
63c7d09c | 87 | /* HCI_UART proto flag bits */ |
0372a662 | 88 | #define HCI_UART_PROTO_SET 0 |
9f2aee84 | 89 | #define HCI_UART_REGISTERED 1 |
1da177e4 LT |
90 | |
91 | /* TX states */ | |
0372a662 MH |
92 | #define HCI_UART_SENDING 1 |
93 | #define HCI_UART_TX_WAKEUP 2 | |
1da177e4 | 94 | |
4ee7ef19 MH |
95 | int hci_uart_register_proto(const struct hci_uart_proto *p); |
96 | int hci_uart_unregister_proto(const struct hci_uart_proto *p); | |
1da177e4 | 97 | int hci_uart_tx_wakeup(struct hci_uart *hu); |
9f2aee84 | 98 | int hci_uart_init_ready(struct hci_uart *hu); |
1da177e4 | 99 | |
0372a662 MH |
100 | #ifdef CONFIG_BT_HCIUART_H4 |
101 | int h4_init(void); | |
102 | int h4_deinit(void); | |
e1a38d70 | 103 | |
79b8df93 MH |
104 | struct h4_recv_pkt { |
105 | u8 type; /* Packet type */ | |
106 | u8 hlen; /* Header length */ | |
107 | u8 loff; /* Data length offset in header */ | |
108 | u8 lsize; /* Data length field size */ | |
109 | u16 maxlen; /* Max overall packet length */ | |
110 | int (*recv)(struct hci_dev *hdev, struct sk_buff *skb); | |
111 | }; | |
112 | ||
113 | #define H4_RECV_ACL \ | |
114 | .type = HCI_ACLDATA_PKT, \ | |
115 | .hlen = HCI_ACL_HDR_SIZE, \ | |
116 | .loff = 2, \ | |
117 | .lsize = 2, \ | |
118 | .maxlen = HCI_MAX_FRAME_SIZE \ | |
119 | ||
120 | #define H4_RECV_SCO \ | |
121 | .type = HCI_SCODATA_PKT, \ | |
122 | .hlen = HCI_SCO_HDR_SIZE, \ | |
123 | .loff = 2, \ | |
124 | .lsize = 1, \ | |
125 | .maxlen = HCI_MAX_SCO_SIZE | |
126 | ||
127 | #define H4_RECV_EVENT \ | |
128 | .type = HCI_EVENT_PKT, \ | |
129 | .hlen = HCI_EVENT_HDR_SIZE, \ | |
130 | .loff = 1, \ | |
131 | .lsize = 1, \ | |
132 | .maxlen = HCI_MAX_EVENT_SIZE | |
133 | ||
e1a38d70 | 134 | struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb, |
79b8df93 MH |
135 | const unsigned char *buffer, int count, |
136 | const struct h4_recv_pkt *pkts, int pkts_count); | |
0372a662 MH |
137 | #endif |
138 | ||
139 | #ifdef CONFIG_BT_HCIUART_BCSP | |
140 | int bcsp_init(void); | |
141 | int bcsp_deinit(void); | |
142 | #endif | |
166d2f6a OBC |
143 | |
144 | #ifdef CONFIG_BT_HCIUART_LL | |
145 | int ll_init(void); | |
146 | int ll_deinit(void); | |
147 | #endif | |
b3190df6 SS |
148 | |
149 | #ifdef CONFIG_BT_HCIUART_ATH3K | |
150 | int ath_init(void); | |
151 | int ath_deinit(void); | |
152 | #endif | |
7dec65c8 JH |
153 | |
154 | #ifdef CONFIG_BT_HCIUART_3WIRE | |
155 | int h5_init(void); | |
156 | int h5_deinit(void); | |
157 | #endif | |
16e3887f | 158 | |
bdd8818e MH |
159 | #ifdef CONFIG_BT_HCIUART_BCM |
160 | int bcm_init(void); | |
161 | int bcm_deinit(void); | |
162 | #endif |