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 9
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
48 #define HCI_UART_QCA 8
50 #define HCI_UART_RAW_DEVICE 0
51 #define HCI_UART_RESET_ON_INIT 1
52 #define HCI_UART_CREATE_AMP 2
53 #define HCI_UART_INIT_PENDING 3
54 #define HCI_UART_EXT_CONFIG 4
55 #define HCI_UART_VND_DETECT 5
59 struct hci_uart_proto {
62 unsigned int init_speed;
63 unsigned int oper_speed;
64 int (*open)(struct hci_uart *hu);
65 int (*close)(struct hci_uart *hu);
66 int (*flush)(struct hci_uart *hu);
67 int (*setup)(struct hci_uart *hu);
68 int (*set_baudrate)(struct hci_uart *hu, unsigned int speed);
69 int (*recv)(struct hci_uart *hu, const void *data, int len);
70 int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb);
71 struct sk_buff *(*dequeue)(struct hci_uart *hu);
75 struct tty_struct *tty;
78 unsigned long hdev_flags;
80 struct work_struct init_ready;
81 struct work_struct write_work;
83 const struct hci_uart_proto *proto;
86 struct sk_buff *tx_skb;
87 unsigned long tx_state;
89 unsigned int init_speed;
90 unsigned int oper_speed;
93 /* HCI_UART proto flag bits */
94 #define HCI_UART_PROTO_SET 0
95 #define HCI_UART_REGISTERED 1
98 #define HCI_UART_SENDING 1
99 #define HCI_UART_TX_WAKEUP 2
101 int hci_uart_register_proto(const struct hci_uart_proto *p);
102 int hci_uart_unregister_proto(const struct hci_uart_proto *p);
103 int hci_uart_tx_wakeup(struct hci_uart *hu);
104 int hci_uart_init_ready(struct hci_uart *hu);
105 void hci_uart_init_tty(struct hci_uart *hu);
106 void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed);
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);
111 #ifdef CONFIG_BT_HCIUART_H4
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);
124 #define H4_RECV_ACL \
125 .type = HCI_ACLDATA_PKT, \
126 .hlen = HCI_ACL_HDR_SIZE, \
129 .maxlen = HCI_MAX_FRAME_SIZE \
131 #define H4_RECV_SCO \
132 .type = HCI_SCODATA_PKT, \
133 .hlen = HCI_SCO_HDR_SIZE, \
136 .maxlen = HCI_MAX_SCO_SIZE
138 #define H4_RECV_EVENT \
139 .type = HCI_EVENT_PKT, \
140 .hlen = HCI_EVENT_HDR_SIZE, \
143 .maxlen = HCI_MAX_EVENT_SIZE
145 struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb,
146 const unsigned char *buffer, int count,
147 const struct h4_recv_pkt *pkts, int pkts_count);
150 #ifdef CONFIG_BT_HCIUART_BCSP
152 int bcsp_deinit(void);
155 #ifdef CONFIG_BT_HCIUART_LL
160 #ifdef CONFIG_BT_HCIUART_ATH3K
162 int ath_deinit(void);
165 #ifdef CONFIG_BT_HCIUART_3WIRE
170 #ifdef CONFIG_BT_HCIUART_INTEL
171 int intel_init(void);
172 int intel_deinit(void);
175 #ifdef CONFIG_BT_HCIUART_BCM
177 int bcm_deinit(void);
180 #ifdef CONFIG_BT_HCIUART_QCA
182 int qca_deinit(void);