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hci_uart.h
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hci_uart.h
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/*
*
* Bluetooth HCI UART driver
*
* Copyright (C) 2000-2001 Qualcomm Incorporated
* Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
* Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef N_HCI
#define N_HCI 15
#endif
/* Ioctls */
#define HCIUARTSETPROTO _IOW('U', 200, int)
#define HCIUARTGETPROTO _IOR('U', 201, int)
#define HCIUARTGETDEVICE _IOR('U', 202, int)
#define HCIUARTSETFLAGS _IOW('U', 203, int)
#define HCIUARTGETFLAGS _IOR('U', 204, int)
/* UART protocols */
#define HCI_UART_MAX_PROTO 8
#define HCI_UART_H4 0
#define HCI_UART_BCSP 1
#define HCI_UART_3WIRE 2
#define HCI_UART_H4DS 3
#define HCI_UART_LL 4
#define HCI_UART_ATH3K 5
#define HCI_UART_INTEL 6
#define HCI_UART_BCM 7
#define HCI_UART_RAW_DEVICE 0
#define HCI_UART_RESET_ON_INIT 1
#define HCI_UART_CREATE_AMP 2
#define HCI_UART_INIT_PENDING 3
#define HCI_UART_EXT_CONFIG 4
#define HCI_UART_VND_DETECT 5
struct hci_uart;
struct hci_uart_proto {
unsigned int id;
const char *name;
unsigned int init_speed;
unsigned int oper_speed;
int (*open)(struct hci_uart *hu);
int (*close)(struct hci_uart *hu);
int (*flush)(struct hci_uart *hu);
int (*setup)(struct hci_uart *hu);
int (*set_baudrate)(struct hci_uart *hu, unsigned int speed);
int (*recv)(struct hci_uart *hu, const void *data, int len);
int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb);
struct sk_buff *(*dequeue)(struct hci_uart *hu);
};
struct hci_uart {
struct tty_struct *tty;
struct hci_dev *hdev;
unsigned long flags;
unsigned long hdev_flags;
struct work_struct init_ready;
struct work_struct write_work;
const struct hci_uart_proto *proto;
void *priv;
struct sk_buff *tx_skb;
unsigned long tx_state;
spinlock_t rx_lock;
unsigned int init_speed;
unsigned int oper_speed;
};
/* HCI_UART proto flag bits */
#define HCI_UART_PROTO_SET 0
#define HCI_UART_REGISTERED 1
/* TX states */
#define HCI_UART_SENDING 1
#define HCI_UART_TX_WAKEUP 2
int hci_uart_register_proto(const struct hci_uart_proto *p);
int hci_uart_unregister_proto(const struct hci_uart_proto *p);
int hci_uart_tx_wakeup(struct hci_uart *hu);
int hci_uart_init_ready(struct hci_uart *hu);
void hci_uart_init_tty(struct hci_uart *hu);
void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed);
void hci_uart_set_flow_control(struct hci_uart *hu, bool enable);
void hci_uart_set_speeds(struct hci_uart *hu, unsigned int init_speed,
unsigned int oper_speed);
#ifdef CONFIG_BT_HCIUART_H4
int h4_init(void);
int h4_deinit(void);
struct h4_recv_pkt {
u8 type; /* Packet type */
u8 hlen; /* Header length */
u8 loff; /* Data length offset in header */
u8 lsize; /* Data length field size */
u16 maxlen; /* Max overall packet length */
int (*recv)(struct hci_dev *hdev, struct sk_buff *skb);
};
#define H4_RECV_ACL \
.type = HCI_ACLDATA_PKT, \
.hlen = HCI_ACL_HDR_SIZE, \
.loff = 2, \
.lsize = 2, \
.maxlen = HCI_MAX_FRAME_SIZE \
#define H4_RECV_SCO \
.type = HCI_SCODATA_PKT, \
.hlen = HCI_SCO_HDR_SIZE, \
.loff = 2, \
.lsize = 1, \
.maxlen = HCI_MAX_SCO_SIZE
#define H4_RECV_EVENT \
.type = HCI_EVENT_PKT, \
.hlen = HCI_EVENT_HDR_SIZE, \
.loff = 1, \
.lsize = 1, \
.maxlen = HCI_MAX_EVENT_SIZE
struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb,
const unsigned char *buffer, int count,
const struct h4_recv_pkt *pkts, int pkts_count);
#endif
#ifdef CONFIG_BT_HCIUART_BCSP
int bcsp_init(void);
int bcsp_deinit(void);
#endif
#ifdef CONFIG_BT_HCIUART_LL
int ll_init(void);
int ll_deinit(void);
#endif
#ifdef CONFIG_BT_HCIUART_ATH3K
int ath_init(void);
int ath_deinit(void);
#endif
#ifdef CONFIG_BT_HCIUART_3WIRE
int h5_init(void);
int h5_deinit(void);
#endif
#ifdef CONFIG_BT_HCIUART_INTEL
int intel_init(void);
int intel_deinit(void);
#endif
#ifdef CONFIG_BT_HCIUART_BCM
int bcm_init(void);
int bcm_deinit(void);
#endif