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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - drivers/bluetooth/hci_uart.h
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 void hci_uart_set_flow_control(struct hci_uart
*hu
, bool enable
);
113 void hci_uart_set_speeds(struct hci_uart
*hu
, unsigned int init_speed
,
114 unsigned int oper_speed
);
116 #ifdef CONFIG_BT_HCIUART_H4
121 u8 type
; /* Packet type */
122 u8 hlen
; /* Header length */
123 u8 loff
; /* Data length offset in header */
124 u8 lsize
; /* Data length field size */
125 u16 maxlen
; /* Max overall packet length */
126 int (*recv
)(struct hci_dev
*hdev
, struct sk_buff
*skb
);
129 #define H4_RECV_ACL \
130 .type = HCI_ACLDATA_PKT, \
131 .hlen = HCI_ACL_HDR_SIZE, \
134 .maxlen = HCI_MAX_FRAME_SIZE \
136 #define H4_RECV_SCO \
137 .type = HCI_SCODATA_PKT, \
138 .hlen = HCI_SCO_HDR_SIZE, \
141 .maxlen = HCI_MAX_SCO_SIZE
143 #define H4_RECV_EVENT \
144 .type = HCI_EVENT_PKT, \
145 .hlen = HCI_EVENT_HDR_SIZE, \
148 .maxlen = HCI_MAX_EVENT_SIZE
150 struct sk_buff
*h4_recv_buf(struct hci_dev
*hdev
, struct sk_buff
*skb
,
151 const unsigned char *buffer
, int count
,
152 const struct h4_recv_pkt
*pkts
, int pkts_count
);
155 #ifdef CONFIG_BT_HCIUART_BCSP
157 int bcsp_deinit(void);
160 #ifdef CONFIG_BT_HCIUART_LL
165 #ifdef CONFIG_BT_HCIUART_ATH3K
167 int ath_deinit(void);
170 #ifdef CONFIG_BT_HCIUART_3WIRE
175 #ifdef CONFIG_BT_HCIUART_INTEL
176 int intel_init(void);
177 int intel_deinit(void);
180 #ifdef CONFIG_BT_HCIUART_BCM
182 int bcm_deinit(void);
185 #ifdef CONFIG_BT_HCIUART_QCA
187 int qca_deinit(void);
190 #ifdef CONFIG_BT_HCIUART_AG6XX
191 int ag6xx_init(void);
192 int ag6xx_deinit(void);
195 #ifdef CONFIG_BT_HCIUART_MRVL
197 int mrvl_deinit(void);