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
63 struct hci_uart_proto {
66 unsigned int manufacturer;
67 unsigned int init_speed;
68 unsigned int oper_speed;
69 int (*open)(struct hci_uart *hu);
70 int (*close)(struct hci_uart *hu);
71 int (*flush)(struct hci_uart *hu);
72 int (*setup)(struct hci_uart *hu);
73 int (*set_baudrate)(struct hci_uart *hu, unsigned int speed);
74 int (*recv)(struct hci_uart *hu, const void *data, int len);
75 int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb);
76 struct sk_buff *(*dequeue)(struct hci_uart *hu);
80 struct tty_struct *tty;
81 struct serdev_device *serdev;
84 unsigned long hdev_flags;
86 struct work_struct init_ready;
87 struct work_struct write_work;
89 const struct hci_uart_proto *proto;
92 struct sk_buff *tx_skb;
93 unsigned long tx_state;
95 unsigned int init_speed;
96 unsigned int oper_speed;
102 /* HCI_UART proto flag bits */
103 #define HCI_UART_PROTO_SET 0
104 #define HCI_UART_REGISTERED 1
105 #define HCI_UART_PROTO_READY 2
108 #define HCI_UART_SENDING 1
109 #define HCI_UART_TX_WAKEUP 2
111 int hci_uart_register_proto(const struct hci_uart_proto *p);
112 int hci_uart_unregister_proto(const struct hci_uart_proto *p);
113 int hci_uart_register_device(struct hci_uart *hu, const struct hci_uart_proto *p);
115 int hci_uart_tx_wakeup(struct hci_uart *hu);
116 int hci_uart_init_ready(struct hci_uart *hu);
117 void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed);
118 void hci_uart_set_flow_control(struct hci_uart *hu, bool enable);
119 void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed,
120 unsigned int oper_speed);
122 #ifdef CONFIG_BT_HCIUART_H4
127 u8 type; /* Packet type */
128 u8 hlen; /* Header length */
129 u8 loff; /* Data length offset in header */
130 u8 lsize; /* Data length field size */
131 u16 maxlen; /* Max overall packet length */
132 int (*recv)(struct hci_dev *hdev, struct sk_buff *skb);
135 #define H4_RECV_ACL \
136 .type = HCI_ACLDATA_PKT, \
137 .hlen = HCI_ACL_HDR_SIZE, \
140 .maxlen = HCI_MAX_FRAME_SIZE \
142 #define H4_RECV_SCO \
143 .type = HCI_SCODATA_PKT, \
144 .hlen = HCI_SCO_HDR_SIZE, \
147 .maxlen = HCI_MAX_SCO_SIZE
149 #define H4_RECV_EVENT \
150 .type = HCI_EVENT_PKT, \
151 .hlen = HCI_EVENT_HDR_SIZE, \
154 .maxlen = HCI_MAX_EVENT_SIZE
156 struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb,
157 const unsigned char *buffer, int count,
158 const struct h4_recv_pkt *pkts, int pkts_count);
161 #ifdef CONFIG_BT_HCIUART_BCSP
163 int bcsp_deinit(void);
166 #ifdef CONFIG_BT_HCIUART_LL
171 #ifdef CONFIG_BT_HCIUART_ATH3K
173 int ath_deinit(void);
176 #ifdef CONFIG_BT_HCIUART_3WIRE
181 #ifdef CONFIG_BT_HCIUART_INTEL
182 int intel_init(void);
183 int intel_deinit(void);
186 #ifdef CONFIG_BT_HCIUART_BCM
188 int bcm_deinit(void);
191 #ifdef CONFIG_BT_HCIUART_QCA
193 int qca_deinit(void);
196 #ifdef CONFIG_BT_HCIUART_AG6XX
197 int ag6xx_init(void);
198 int ag6xx_deinit(void);
201 #ifdef CONFIG_BT_HCIUART_MRVL
203 int mrvl_deinit(void);