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 12
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
49 #define HCI_UART_AG6XX 9
50 #define HCI_UART_NOKIA 10
51 #define HCI_UART_MRVL 11
53 #define HCI_UART_RAW_DEVICE 0
54 #define HCI_UART_RESET_ON_INIT 1
55 #define HCI_UART_CREATE_AMP 2
56 #define HCI_UART_INIT_PENDING 3
57 #define HCI_UART_EXT_CONFIG 4
58 #define HCI_UART_VND_DETECT 5
62 struct hci_uart_proto {
65 unsigned int manufacturer;
66 unsigned int init_speed;
67 unsigned int oper_speed;
68 int (*open)(struct hci_uart *hu);
69 int (*close)(struct hci_uart *hu);
70 int (*flush)(struct hci_uart *hu);
71 int (*setup)(struct hci_uart *hu);
72 int (*set_baudrate)(struct hci_uart *hu, unsigned int speed);
73 int (*recv)(struct hci_uart *hu, const void *data, int len);
74 int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb);
75 struct sk_buff *(*dequeue)(struct hci_uart *hu);
79 struct tty_struct *tty;
82 unsigned long hdev_flags;
84 struct work_struct init_ready;
85 struct work_struct write_work;
87 const struct hci_uart_proto *proto;
90 struct sk_buff *tx_skb;
91 unsigned long tx_state;
93 unsigned int init_speed;
94 unsigned int oper_speed;
97 /* HCI_UART proto flag bits */
98 #define HCI_UART_PROTO_SET 0
99 #define HCI_UART_REGISTERED 1
100 #define HCI_UART_PROTO_READY 2
103 #define HCI_UART_SENDING 1
104 #define HCI_UART_TX_WAKEUP 2
106 int hci_uart_register_proto(const struct hci_uart_proto *p);
107 int hci_uart_unregister_proto(const struct hci_uart_proto *p);
108 int hci_uart_tx_wakeup(struct hci_uart *hu);
109 int hci_uart_init_ready(struct hci_uart *hu);
110 void hci_uart_init_tty(struct hci_uart *hu);
111 void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed);
112 bool hci_uart_has_flow_control(struct hci_uart *hu);
113 void hci_uart_set_flow_control(struct hci_uart *hu, bool enable);
114 void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed,
115 unsigned int oper_speed);
117 #ifdef CONFIG_BT_HCIUART_H4
122 u8 type; /* Packet type */
123 u8 hlen; /* Header length */
124 u8 loff; /* Data length offset in header */
125 u8 lsize; /* Data length field size */
126 u16 maxlen; /* Max overall packet length */
127 int (*recv)(struct hci_dev *hdev, struct sk_buff *skb);
130 #define H4_RECV_ACL \
131 .type = HCI_ACLDATA_PKT, \
132 .hlen = HCI_ACL_HDR_SIZE, \
135 .maxlen = HCI_MAX_FRAME_SIZE \
137 #define H4_RECV_SCO \
138 .type = HCI_SCODATA_PKT, \
139 .hlen = HCI_SCO_HDR_SIZE, \
142 .maxlen = HCI_MAX_SCO_SIZE
144 #define H4_RECV_EVENT \
145 .type = HCI_EVENT_PKT, \
146 .hlen = HCI_EVENT_HDR_SIZE, \
149 .maxlen = HCI_MAX_EVENT_SIZE
151 struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb,
152 const unsigned char *buffer, int count,
153 const struct h4_recv_pkt *pkts, int pkts_count);
156 #ifdef CONFIG_BT_HCIUART_BCSP
158 int bcsp_deinit(void);
161 #ifdef CONFIG_BT_HCIUART_LL
166 #ifdef CONFIG_BT_HCIUART_ATH3K
168 int ath_deinit(void);
171 #ifdef CONFIG_BT_HCIUART_3WIRE
176 #ifdef CONFIG_BT_HCIUART_INTEL
177 int intel_init(void);
178 int intel_deinit(void);
181 #ifdef CONFIG_BT_HCIUART_BCM
183 int bcm_deinit(void);
186 #ifdef CONFIG_BT_HCIUART_QCA
188 int qca_deinit(void);
191 #ifdef CONFIG_BT_HCIUART_AG6XX
192 int ag6xx_init(void);
193 int ag6xx_deinit(void);
196 #ifdef CONFIG_BT_HCIUART_MRVL
198 int mrvl_deinit(void);