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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 */ | |
162f812f | 38 | #define HCI_UART_MAX_PROTO 12 |
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 |
9e69130c | 50 | #define HCI_UART_NOKIA 10 |
162f812f | 51 | #define HCI_UART_MRVL 11 |
1da177e4 | 52 | |
63c7d09c | 53 | #define HCI_UART_RAW_DEVICE 0 |
a55e1f38 | 54 | #define HCI_UART_RESET_ON_INIT 1 |
8a7a3fd6 | 55 | #define HCI_UART_CREATE_AMP 2 |
9f2aee84 | 56 | #define HCI_UART_INIT_PENDING 3 |
6afd04ad | 57 | #define HCI_UART_EXT_CONFIG 4 |
fb2ce8d1 | 58 | #define HCI_UART_VND_DETECT 5 |
63c7d09c | 59 | |
1da177e4 | 60 | struct hci_uart; |
82f5169b | 61 | struct serdev_device; |
1da177e4 LT |
62 | |
63 | struct hci_uart_proto { | |
64 | unsigned int id; | |
7c40fb8d | 65 | const char *name; |
aee61f7a | 66 | unsigned int manufacturer; |
7721383f FD |
67 | unsigned int init_speed; |
68 | unsigned int oper_speed; | |
1da177e4 LT |
69 | int (*open)(struct hci_uart *hu); |
70 | int (*close)(struct hci_uart *hu); | |
71 | int (*flush)(struct hci_uart *hu); | |
6ae4fddf | 72 | int (*setup)(struct hci_uart *hu); |
7721383f | 73 | int (*set_baudrate)(struct hci_uart *hu, unsigned int speed); |
9d1c40eb | 74 | int (*recv)(struct hci_uart *hu, const void *data, int len); |
1da177e4 LT |
75 | int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb); |
76 | struct sk_buff *(*dequeue)(struct hci_uart *hu); | |
77 | }; | |
78 | ||
79 | struct hci_uart { | |
0372a662 | 80 | struct tty_struct *tty; |
82f5169b | 81 | struct serdev_device *serdev; |
0372a662 MH |
82 | struct hci_dev *hdev; |
83 | unsigned long flags; | |
63c7d09c | 84 | unsigned long hdev_flags; |
1da177e4 | 85 | |
9f2aee84 | 86 | struct work_struct init_ready; |
da64c27d | 87 | struct work_struct write_work; |
9f2aee84 | 88 | |
4ee7ef19 | 89 | const struct hci_uart_proto *proto; |
dec2c928 | 90 | rwlock_t proto_lock; /* Stop work for proto close */ |
0372a662 MH |
91 | void *priv; |
92 | ||
93 | struct sk_buff *tx_skb; | |
94 | unsigned long tx_state; | |
2a973dfa IF |
95 | |
96 | unsigned int init_speed; | |
97 | unsigned int oper_speed; | |
aeac3014 SR |
98 | |
99 | u8 alignment; | |
100 | u8 padding; | |
1da177e4 LT |
101 | }; |
102 | ||
63c7d09c | 103 | /* HCI_UART proto flag bits */ |
0372a662 | 104 | #define HCI_UART_PROTO_SET 0 |
9f2aee84 | 105 | #define HCI_UART_REGISTERED 1 |
84cb3df0 | 106 | #define HCI_UART_PROTO_READY 2 |
1da177e4 LT |
107 | |
108 | /* TX states */ | |
0372a662 MH |
109 | #define HCI_UART_SENDING 1 |
110 | #define HCI_UART_TX_WAKEUP 2 | |
1da177e4 | 111 | |
4ee7ef19 MH |
112 | int hci_uart_register_proto(const struct hci_uart_proto *p); |
113 | int hci_uart_unregister_proto(const struct hci_uart_proto *p); | |
82f5169b RH |
114 | int hci_uart_register_device(struct hci_uart *hu, const struct hci_uart_proto *p); |
115 | ||
1da177e4 | 116 | int hci_uart_tx_wakeup(struct hci_uart *hu); |
9f2aee84 | 117 | int hci_uart_init_ready(struct hci_uart *hu); |
7721383f | 118 | void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed); |
2a973dfa IF |
119 | void hci_uart_set_flow_control(struct hci_uart *hu, bool enable); |
120 | void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed, | |
121 | unsigned int oper_speed); | |
1da177e4 | 122 | |
0372a662 MH |
123 | #ifdef CONFIG_BT_HCIUART_H4 |
124 | int h4_init(void); | |
125 | int h4_deinit(void); | |
e1a38d70 | 126 | |
79b8df93 MH |
127 | struct h4_recv_pkt { |
128 | u8 type; /* Packet type */ | |
129 | u8 hlen; /* Header length */ | |
130 | u8 loff; /* Data length offset in header */ | |
131 | u8 lsize; /* Data length field size */ | |
132 | u16 maxlen; /* Max overall packet length */ | |
133 | int (*recv)(struct hci_dev *hdev, struct sk_buff *skb); | |
134 | }; | |
135 | ||
136 | #define H4_RECV_ACL \ | |
137 | .type = HCI_ACLDATA_PKT, \ | |
138 | .hlen = HCI_ACL_HDR_SIZE, \ | |
139 | .loff = 2, \ | |
140 | .lsize = 2, \ | |
141 | .maxlen = HCI_MAX_FRAME_SIZE \ | |
142 | ||
143 | #define H4_RECV_SCO \ | |
144 | .type = HCI_SCODATA_PKT, \ | |
145 | .hlen = HCI_SCO_HDR_SIZE, \ | |
146 | .loff = 2, \ | |
147 | .lsize = 1, \ | |
148 | .maxlen = HCI_MAX_SCO_SIZE | |
149 | ||
150 | #define H4_RECV_EVENT \ | |
151 | .type = HCI_EVENT_PKT, \ | |
152 | .hlen = HCI_EVENT_HDR_SIZE, \ | |
153 | .loff = 1, \ | |
154 | .lsize = 1, \ | |
155 | .maxlen = HCI_MAX_EVENT_SIZE | |
156 | ||
e1a38d70 | 157 | struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb, |
79b8df93 MH |
158 | const unsigned char *buffer, int count, |
159 | const struct h4_recv_pkt *pkts, int pkts_count); | |
0372a662 MH |
160 | #endif |
161 | ||
162 | #ifdef CONFIG_BT_HCIUART_BCSP | |
163 | int bcsp_init(void); | |
164 | int bcsp_deinit(void); | |
165 | #endif | |
166d2f6a OBC |
166 | |
167 | #ifdef CONFIG_BT_HCIUART_LL | |
168 | int ll_init(void); | |
169 | int ll_deinit(void); | |
170 | #endif | |
b3190df6 SS |
171 | |
172 | #ifdef CONFIG_BT_HCIUART_ATH3K | |
173 | int ath_init(void); | |
174 | int ath_deinit(void); | |
175 | #endif | |
7dec65c8 JH |
176 | |
177 | #ifdef CONFIG_BT_HCIUART_3WIRE | |
178 | int h5_init(void); | |
179 | int h5_deinit(void); | |
180 | #endif | |
16e3887f | 181 | |
ca93cee5 LP |
182 | #ifdef CONFIG_BT_HCIUART_INTEL |
183 | int intel_init(void); | |
184 | int intel_deinit(void); | |
185 | #endif | |
186 | ||
bdd8818e MH |
187 | #ifdef CONFIG_BT_HCIUART_BCM |
188 | int bcm_init(void); | |
189 | int bcm_deinit(void); | |
190 | #endif | |
0ff252c1 BYTK |
191 | |
192 | #ifdef CONFIG_BT_HCIUART_QCA | |
193 | int qca_init(void); | |
194 | int qca_deinit(void); | |
195 | #endif | |
395174bb LP |
196 | |
197 | #ifdef CONFIG_BT_HCIUART_AG6XX | |
198 | int ag6xx_init(void); | |
199 | int ag6xx_deinit(void); | |
200 | #endif | |
162f812f LP |
201 | |
202 | #ifdef CONFIG_BT_HCIUART_MRVL | |
203 | int mrvl_init(void); | |
204 | int mrvl_deinit(void); | |
205 | #endif |