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 */ | |
395174bb | 38 | #define HCI_UART_MAX_PROTO 10 |
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 |
0ff252c1 | 48 | #define HCI_UART_QCA 8 |
395174bb | 49 | #define HCI_UART_AG6XX 9 |
1da177e4 | 50 | |
63c7d09c | 51 | #define HCI_UART_RAW_DEVICE 0 |
a55e1f38 | 52 | #define HCI_UART_RESET_ON_INIT 1 |
8a7a3fd6 | 53 | #define HCI_UART_CREATE_AMP 2 |
9f2aee84 | 54 | #define HCI_UART_INIT_PENDING 3 |
6afd04ad | 55 | #define HCI_UART_EXT_CONFIG 4 |
fb2ce8d1 | 56 | #define HCI_UART_VND_DETECT 5 |
63c7d09c | 57 | |
1da177e4 LT |
58 | struct hci_uart; |
59 | ||
60 | struct hci_uart_proto { | |
61 | unsigned int id; | |
7c40fb8d | 62 | const char *name; |
aee61f7a | 63 | unsigned int manufacturer; |
7721383f FD |
64 | unsigned int init_speed; |
65 | unsigned int oper_speed; | |
1da177e4 LT |
66 | int (*open)(struct hci_uart *hu); |
67 | int (*close)(struct hci_uart *hu); | |
68 | int (*flush)(struct hci_uart *hu); | |
6ae4fddf | 69 | int (*setup)(struct hci_uart *hu); |
7721383f | 70 | int (*set_baudrate)(struct hci_uart *hu, unsigned int speed); |
9d1c40eb | 71 | int (*recv)(struct hci_uart *hu, const void *data, int len); |
1da177e4 LT |
72 | int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb); |
73 | struct sk_buff *(*dequeue)(struct hci_uart *hu); | |
74 | }; | |
75 | ||
76 | struct hci_uart { | |
0372a662 MH |
77 | struct tty_struct *tty; |
78 | struct hci_dev *hdev; | |
79 | unsigned long flags; | |
63c7d09c | 80 | unsigned long hdev_flags; |
1da177e4 | 81 | |
9f2aee84 | 82 | struct work_struct init_ready; |
da64c27d | 83 | struct work_struct write_work; |
9f2aee84 | 84 | |
4ee7ef19 | 85 | const struct hci_uart_proto *proto; |
0372a662 MH |
86 | void *priv; |
87 | ||
88 | struct sk_buff *tx_skb; | |
89 | unsigned long tx_state; | |
2a973dfa IF |
90 | |
91 | unsigned int init_speed; | |
92 | unsigned int oper_speed; | |
1da177e4 LT |
93 | }; |
94 | ||
63c7d09c | 95 | /* HCI_UART proto flag bits */ |
0372a662 | 96 | #define HCI_UART_PROTO_SET 0 |
9f2aee84 | 97 | #define HCI_UART_REGISTERED 1 |
84cb3df0 | 98 | #define HCI_UART_PROTO_READY 2 |
1da177e4 LT |
99 | |
100 | /* TX states */ | |
0372a662 MH |
101 | #define HCI_UART_SENDING 1 |
102 | #define HCI_UART_TX_WAKEUP 2 | |
1da177e4 | 103 | |
4ee7ef19 MH |
104 | int hci_uart_register_proto(const struct hci_uart_proto *p); |
105 | int hci_uart_unregister_proto(const struct hci_uart_proto *p); | |
1da177e4 | 106 | int hci_uart_tx_wakeup(struct hci_uart *hu); |
9f2aee84 | 107 | int hci_uart_init_ready(struct hci_uart *hu); |
2a973dfa | 108 | void hci_uart_init_tty(struct hci_uart *hu); |
7721383f | 109 | void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed); |
2a973dfa IF |
110 | void hci_uart_set_flow_control(struct hci_uart *hu, bool enable); |
111 | void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed, | |
112 | unsigned int oper_speed); | |
1da177e4 | 113 | |
0372a662 MH |
114 | #ifdef CONFIG_BT_HCIUART_H4 |
115 | int h4_init(void); | |
116 | int h4_deinit(void); | |
e1a38d70 | 117 | |
79b8df93 MH |
118 | struct h4_recv_pkt { |
119 | u8 type; /* Packet type */ | |
120 | u8 hlen; /* Header length */ | |
121 | u8 loff; /* Data length offset in header */ | |
122 | u8 lsize; /* Data length field size */ | |
123 | u16 maxlen; /* Max overall packet length */ | |
124 | int (*recv)(struct hci_dev *hdev, struct sk_buff *skb); | |
125 | }; | |
126 | ||
127 | #define H4_RECV_ACL \ | |
128 | .type = HCI_ACLDATA_PKT, \ | |
129 | .hlen = HCI_ACL_HDR_SIZE, \ | |
130 | .loff = 2, \ | |
131 | .lsize = 2, \ | |
132 | .maxlen = HCI_MAX_FRAME_SIZE \ | |
133 | ||
134 | #define H4_RECV_SCO \ | |
135 | .type = HCI_SCODATA_PKT, \ | |
136 | .hlen = HCI_SCO_HDR_SIZE, \ | |
137 | .loff = 2, \ | |
138 | .lsize = 1, \ | |
139 | .maxlen = HCI_MAX_SCO_SIZE | |
140 | ||
141 | #define H4_RECV_EVENT \ | |
142 | .type = HCI_EVENT_PKT, \ | |
143 | .hlen = HCI_EVENT_HDR_SIZE, \ | |
144 | .loff = 1, \ | |
145 | .lsize = 1, \ | |
146 | .maxlen = HCI_MAX_EVENT_SIZE | |
147 | ||
e1a38d70 | 148 | struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb, |
79b8df93 MH |
149 | const unsigned char *buffer, int count, |
150 | const struct h4_recv_pkt *pkts, int pkts_count); | |
0372a662 MH |
151 | #endif |
152 | ||
153 | #ifdef CONFIG_BT_HCIUART_BCSP | |
154 | int bcsp_init(void); | |
155 | int bcsp_deinit(void); | |
156 | #endif | |
166d2f6a OBC |
157 | |
158 | #ifdef CONFIG_BT_HCIUART_LL | |
159 | int ll_init(void); | |
160 | int ll_deinit(void); | |
161 | #endif | |
b3190df6 SS |
162 | |
163 | #ifdef CONFIG_BT_HCIUART_ATH3K | |
164 | int ath_init(void); | |
165 | int ath_deinit(void); | |
166 | #endif | |
7dec65c8 JH |
167 | |
168 | #ifdef CONFIG_BT_HCIUART_3WIRE | |
169 | int h5_init(void); | |
170 | int h5_deinit(void); | |
171 | #endif | |
16e3887f | 172 | |
ca93cee5 LP |
173 | #ifdef CONFIG_BT_HCIUART_INTEL |
174 | int intel_init(void); | |
175 | int intel_deinit(void); | |
176 | #endif | |
177 | ||
bdd8818e MH |
178 | #ifdef CONFIG_BT_HCIUART_BCM |
179 | int bcm_init(void); | |
180 | int bcm_deinit(void); | |
181 | #endif | |
0ff252c1 BYTK |
182 | |
183 | #ifdef CONFIG_BT_HCIUART_QCA | |
184 | int qca_init(void); | |
185 | int qca_deinit(void); | |
186 | #endif | |
395174bb LP |
187 | |
188 | #ifdef CONFIG_BT_HCIUART_AG6XX | |
189 | int ag6xx_init(void); | |
190 | int ag6xx_deinit(void); | |
191 | #endif |