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1/*
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 *
24 */
25
26#ifndef N_HCI
27#define N_HCI 15
28#endif
29
30/* Ioctls */
31#define HCIUARTSETPROTO _IOW('U', 200, int)
32#define HCIUARTGETPROTO _IOR('U', 201, int)
33#define HCIUARTGETDEVICE _IOR('U', 202, int)
34#define HCIUARTSETFLAGS _IOW('U', 203, int)
35#define HCIUARTGETFLAGS _IOR('U', 204, int)
36
37/* UART protocols */
38#define HCI_UART_MAX_PROTO 10
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
44#define HCI_UART_LL 4
45#define HCI_UART_ATH3K 5
46#define HCI_UART_INTEL 6
47#define HCI_UART_BCM 7
48#define HCI_UART_QCA 8
49#define HCI_UART_AG6XX 9
50
51#define HCI_UART_RAW_DEVICE 0
52#define HCI_UART_RESET_ON_INIT 1
53#define HCI_UART_CREATE_AMP 2
54#define HCI_UART_INIT_PENDING 3
55#define HCI_UART_EXT_CONFIG 4
56#define HCI_UART_VND_DETECT 5
57
58struct hci_uart;
59
60struct hci_uart_proto {
61 unsigned int id;
62 const char *name;
63 unsigned int manufacturer;
64 unsigned int init_speed;
65 unsigned int oper_speed;
66 int (*open)(struct hci_uart *hu);
67 int (*close)(struct hci_uart *hu);
68 int (*flush)(struct hci_uart *hu);
69 int (*setup)(struct hci_uart *hu);
70 int (*set_baudrate)(struct hci_uart *hu, unsigned int speed);
71 int (*recv)(struct hci_uart *hu, const void *data, int len);
72 int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb);
73 struct sk_buff *(*dequeue)(struct hci_uart *hu);
74};
75
76struct hci_uart {
77 struct tty_struct *tty;
78 struct hci_dev *hdev;
79 unsigned long flags;
80 unsigned long hdev_flags;
81
82 struct work_struct init_ready;
83 struct work_struct write_work;
84
85 const struct hci_uart_proto *proto;
86 void *priv;
87
88 struct sk_buff *tx_skb;
89 unsigned long tx_state;
90
91 unsigned int init_speed;
92 unsigned int oper_speed;
93};
94
95/* HCI_UART proto flag bits */
96#define HCI_UART_PROTO_SET 0
97#define HCI_UART_REGISTERED 1
98
99/* TX states */
100#define HCI_UART_SENDING 1
101#define HCI_UART_TX_WAKEUP 2
102
103int hci_uart_register_proto(const struct hci_uart_proto *p);
104int hci_uart_unregister_proto(const struct hci_uart_proto *p);
105int hci_uart_tx_wakeup(struct hci_uart *hu);
106int hci_uart_init_ready(struct hci_uart *hu);
107void hci_uart_init_tty(struct hci_uart *hu);
108void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed);
109void hci_uart_set_flow_control(struct hci_uart *hu, bool enable);
110void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed,
111 unsigned int oper_speed);
112
113#ifdef CONFIG_BT_HCIUART_H4
114int h4_init(void);
115int h4_deinit(void);
116
117struct h4_recv_pkt {
118 u8 type; /* Packet type */
119 u8 hlen; /* Header length */
120 u8 loff; /* Data length offset in header */
121 u8 lsize; /* Data length field size */
122 u16 maxlen; /* Max overall packet length */
123 int (*recv)(struct hci_dev *hdev, struct sk_buff *skb);
124};
125
126#define H4_RECV_ACL \
127 .type = HCI_ACLDATA_PKT, \
128 .hlen = HCI_ACL_HDR_SIZE, \
129 .loff = 2, \
130 .lsize = 2, \
131 .maxlen = HCI_MAX_FRAME_SIZE \
132
133#define H4_RECV_SCO \
134 .type = HCI_SCODATA_PKT, \
135 .hlen = HCI_SCO_HDR_SIZE, \
136 .loff = 2, \
137 .lsize = 1, \
138 .maxlen = HCI_MAX_SCO_SIZE
139
140#define H4_RECV_EVENT \
141 .type = HCI_EVENT_PKT, \
142 .hlen = HCI_EVENT_HDR_SIZE, \
143 .loff = 1, \
144 .lsize = 1, \
145 .maxlen = HCI_MAX_EVENT_SIZE
146
147struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb,
148 const unsigned char *buffer, int count,
149 const struct h4_recv_pkt *pkts, int pkts_count);
150#endif
151
152#ifdef CONFIG_BT_HCIUART_BCSP
153int bcsp_init(void);
154int bcsp_deinit(void);
155#endif
156
157#ifdef CONFIG_BT_HCIUART_LL
158int ll_init(void);
159int ll_deinit(void);
160#endif
161
162#ifdef CONFIG_BT_HCIUART_ATH3K
163int ath_init(void);
164int ath_deinit(void);
165#endif
166
167#ifdef CONFIG_BT_HCIUART_3WIRE
168int h5_init(void);
169int h5_deinit(void);
170#endif
171
172#ifdef CONFIG_BT_HCIUART_INTEL
173int intel_init(void);
174int intel_deinit(void);
175#endif
176
177#ifdef CONFIG_BT_HCIUART_BCM
178int bcm_init(void);
179int bcm_deinit(void);
180#endif
181
182#ifdef CONFIG_BT_HCIUART_QCA
183int qca_init(void);
184int qca_deinit(void);
185#endif
186
187#ifdef CONFIG_BT_HCIUART_AG6XX
188int ag6xx_init(void);
189int ag6xx_deinit(void);
190#endif
1/*
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 *
24 */
25
26#ifndef N_HCI
27#define N_HCI 15
28#endif
29
30/* Ioctls */
31#define HCIUARTSETPROTO _IOW('U', 200, int)
32#define HCIUARTGETPROTO _IOR('U', 201, int)
33#define HCIUARTGETDEVICE _IOR('U', 202, int)
34#define HCIUARTSETFLAGS _IOW('U', 203, int)
35#define HCIUARTGETFLAGS _IOR('U', 204, int)
36
37/* UART protocols */
38#define HCI_UART_MAX_PROTO 6
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
44#define HCI_UART_LL 4
45#define HCI_UART_ATH3K 5
46
47#define HCI_UART_RAW_DEVICE 0
48#define HCI_UART_RESET_ON_INIT 1
49#define HCI_UART_CREATE_AMP 2
50
51struct hci_uart;
52
53struct hci_uart_proto {
54 unsigned int id;
55 int (*open)(struct hci_uart *hu);
56 int (*close)(struct hci_uart *hu);
57 int (*flush)(struct hci_uart *hu);
58 int (*recv)(struct hci_uart *hu, void *data, int len);
59 int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb);
60 struct sk_buff *(*dequeue)(struct hci_uart *hu);
61};
62
63struct hci_uart {
64 struct tty_struct *tty;
65 struct hci_dev *hdev;
66 unsigned long flags;
67 unsigned long hdev_flags;
68
69 struct hci_uart_proto *proto;
70 void *priv;
71
72 struct sk_buff *tx_skb;
73 unsigned long tx_state;
74 spinlock_t rx_lock;
75};
76
77/* HCI_UART proto flag bits */
78#define HCI_UART_PROTO_SET 0
79
80/* TX states */
81#define HCI_UART_SENDING 1
82#define HCI_UART_TX_WAKEUP 2
83
84int hci_uart_register_proto(struct hci_uart_proto *p);
85int hci_uart_unregister_proto(struct hci_uart_proto *p);
86int hci_uart_tx_wakeup(struct hci_uart *hu);
87
88#ifdef CONFIG_BT_HCIUART_H4
89int h4_init(void);
90int h4_deinit(void);
91#endif
92
93#ifdef CONFIG_BT_HCIUART_BCSP
94int bcsp_init(void);
95int bcsp_deinit(void);
96#endif
97
98#ifdef CONFIG_BT_HCIUART_LL
99int ll_init(void);
100int ll_deinit(void);
101#endif
102
103#ifdef CONFIG_BT_HCIUART_ATH3K
104int ath_init(void);
105int ath_deinit(void);
106#endif