3 * Bluetooth HCI UART driver
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>
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.
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.
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
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)
38 #define HCI_UART_MAX_PROTO 8
41 #define HCI_UART_BCSP 1
42 #define HCI_UART_3WIRE 2
43 #define HCI_UART_H4DS 3
45 #define HCI_UART_ATH3K 5
46 #define HCI_UART_INTEL 6
47 #define HCI_UART_BCM 7
49 #define HCI_UART_RAW_DEVICE 0
50 #define HCI_UART_RESET_ON_INIT 1
51 #define HCI_UART_CREATE_AMP 2
52 #define HCI_UART_INIT_PENDING 3
53 #define HCI_UART_EXT_CONFIG 4
54 #define HCI_UART_VND_DETECT 5
58 struct hci_uart_proto {
61 int (*open)(struct hci_uart *hu);
62 int (*close)(struct hci_uart *hu);
63 int (*flush)(struct hci_uart *hu);
64 int (*setup)(struct hci_uart *hu);
65 int (*recv)(struct hci_uart *hu, const void *data, int len);
66 int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb);
67 struct sk_buff *(*dequeue)(struct hci_uart *hu);
71 struct tty_struct *tty;
74 unsigned long hdev_flags;
76 struct work_struct init_ready;
77 struct work_struct write_work;
79 const struct hci_uart_proto *proto;
82 struct sk_buff *tx_skb;
83 unsigned long tx_state;
87 /* HCI_UART proto flag bits */
88 #define HCI_UART_PROTO_SET 0
89 #define HCI_UART_REGISTERED 1
92 #define HCI_UART_SENDING 1
93 #define HCI_UART_TX_WAKEUP 2
95 int hci_uart_register_proto(const struct hci_uart_proto *p);
96 int hci_uart_unregister_proto(const struct hci_uart_proto *p);
97 int hci_uart_tx_wakeup(struct hci_uart *hu);
98 int hci_uart_init_ready(struct hci_uart *hu);
100 #ifdef CONFIG_BT_HCIUART_H4
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);
113 #define H4_RECV_ACL \
114 .type = HCI_ACLDATA_PKT, \
115 .hlen = HCI_ACL_HDR_SIZE, \
118 .maxlen = HCI_MAX_FRAME_SIZE \
120 #define H4_RECV_SCO \
121 .type = HCI_SCODATA_PKT, \
122 .hlen = HCI_SCO_HDR_SIZE, \
125 .maxlen = HCI_MAX_SCO_SIZE
127 #define H4_RECV_EVENT \
128 .type = HCI_EVENT_PKT, \
129 .hlen = HCI_EVENT_HDR_SIZE, \
132 .maxlen = HCI_MAX_EVENT_SIZE
134 struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb,
135 const unsigned char *buffer, int count,
136 const struct h4_recv_pkt *pkts, int pkts_count);
139 #ifdef CONFIG_BT_HCIUART_BCSP
141 int bcsp_deinit(void);
144 #ifdef CONFIG_BT_HCIUART_LL
149 #ifdef CONFIG_BT_HCIUART_ATH3K
151 int ath_deinit(void);
154 #ifdef CONFIG_BT_HCIUART_3WIRE
159 #ifdef CONFIG_BT_HCIUART_BCM
161 int bcm_deinit(void);