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) | |
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; |
7721383f FD |
61 | unsigned int init_speed; |
62 | unsigned int oper_speed; | |
1da177e4 LT |
63 | int (*open)(struct hci_uart *hu); |
64 | int (*close)(struct hci_uart *hu); | |
65 | int (*flush)(struct hci_uart *hu); | |
6ae4fddf | 66 | int (*setup)(struct hci_uart *hu); |
7721383f | 67 | int (*set_baudrate)(struct hci_uart *hu, unsigned int speed); |
9d1c40eb | 68 | int (*recv)(struct hci_uart *hu, const void *data, int len); |
1da177e4 LT |
69 | int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb); |
70 | struct sk_buff *(*dequeue)(struct hci_uart *hu); | |
71 | }; | |
72 | ||
73 | struct hci_uart { | |
0372a662 MH |
74 | struct tty_struct *tty; |
75 | struct hci_dev *hdev; | |
76 | unsigned long flags; | |
63c7d09c | 77 | unsigned long hdev_flags; |
1da177e4 | 78 | |
9f2aee84 | 79 | struct work_struct init_ready; |
da64c27d | 80 | struct work_struct write_work; |
9f2aee84 | 81 | |
4ee7ef19 | 82 | const struct hci_uart_proto *proto; |
0372a662 MH |
83 | void *priv; |
84 | ||
85 | struct sk_buff *tx_skb; | |
86 | unsigned long tx_state; | |
87 | spinlock_t rx_lock; | |
2a973dfa IF |
88 | |
89 | unsigned int init_speed; | |
90 | unsigned int oper_speed; | |
1da177e4 LT |
91 | }; |
92 | ||
63c7d09c | 93 | /* HCI_UART proto flag bits */ |
0372a662 | 94 | #define HCI_UART_PROTO_SET 0 |
9f2aee84 | 95 | #define HCI_UART_REGISTERED 1 |
1da177e4 LT |
96 | |
97 | /* TX states */ | |
0372a662 MH |
98 | #define HCI_UART_SENDING 1 |
99 | #define HCI_UART_TX_WAKEUP 2 | |
1da177e4 | 100 | |
4ee7ef19 MH |
101 | int hci_uart_register_proto(const struct hci_uart_proto *p); |
102 | int hci_uart_unregister_proto(const struct hci_uart_proto *p); | |
1da177e4 | 103 | int hci_uart_tx_wakeup(struct hci_uart *hu); |
9f2aee84 | 104 | int hci_uart_init_ready(struct hci_uart *hu); |
2a973dfa | 105 | void hci_uart_init_tty(struct hci_uart *hu); |
7721383f | 106 | void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed); |
2a973dfa IF |
107 | void hci_uart_set_flow_control(struct hci_uart *hu, bool enable); |
108 | void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed, | |
109 | unsigned int oper_speed); | |
1da177e4 | 110 | |
0372a662 MH |
111 | #ifdef CONFIG_BT_HCIUART_H4 |
112 | int h4_init(void); | |
113 | int h4_deinit(void); | |
e1a38d70 | 114 | |
79b8df93 MH |
115 | struct h4_recv_pkt { |
116 | u8 type; /* Packet type */ | |
117 | u8 hlen; /* Header length */ | |
118 | u8 loff; /* Data length offset in header */ | |
119 | u8 lsize; /* Data length field size */ | |
120 | u16 maxlen; /* Max overall packet length */ | |
121 | int (*recv)(struct hci_dev *hdev, struct sk_buff *skb); | |
122 | }; | |
123 | ||
124 | #define H4_RECV_ACL \ | |
125 | .type = HCI_ACLDATA_PKT, \ | |
126 | .hlen = HCI_ACL_HDR_SIZE, \ | |
127 | .loff = 2, \ | |
128 | .lsize = 2, \ | |
129 | .maxlen = HCI_MAX_FRAME_SIZE \ | |
130 | ||
131 | #define H4_RECV_SCO \ | |
132 | .type = HCI_SCODATA_PKT, \ | |
133 | .hlen = HCI_SCO_HDR_SIZE, \ | |
134 | .loff = 2, \ | |
135 | .lsize = 1, \ | |
136 | .maxlen = HCI_MAX_SCO_SIZE | |
137 | ||
138 | #define H4_RECV_EVENT \ | |
139 | .type = HCI_EVENT_PKT, \ | |
140 | .hlen = HCI_EVENT_HDR_SIZE, \ | |
141 | .loff = 1, \ | |
142 | .lsize = 1, \ | |
143 | .maxlen = HCI_MAX_EVENT_SIZE | |
144 | ||
e1a38d70 | 145 | struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb, |
79b8df93 MH |
146 | const unsigned char *buffer, int count, |
147 | const struct h4_recv_pkt *pkts, int pkts_count); | |
0372a662 MH |
148 | #endif |
149 | ||
150 | #ifdef CONFIG_BT_HCIUART_BCSP | |
151 | int bcsp_init(void); | |
152 | int bcsp_deinit(void); | |
153 | #endif | |
166d2f6a OBC |
154 | |
155 | #ifdef CONFIG_BT_HCIUART_LL | |
156 | int ll_init(void); | |
157 | int ll_deinit(void); | |
158 | #endif | |
b3190df6 SS |
159 | |
160 | #ifdef CONFIG_BT_HCIUART_ATH3K | |
161 | int ath_init(void); | |
162 | int ath_deinit(void); | |
163 | #endif | |
7dec65c8 JH |
164 | |
165 | #ifdef CONFIG_BT_HCIUART_3WIRE | |
166 | int h5_init(void); | |
167 | int h5_deinit(void); | |
168 | #endif | |
16e3887f | 169 | |
bdd8818e MH |
170 | #ifdef CONFIG_BT_HCIUART_BCM |
171 | int bcm_init(void); | |
172 | int bcm_deinit(void); | |
173 | #endif |