9f2aee848f
This patch makes it possible to have UART drivers perform an internal initialization before calling hci_register_dev. This allows moving a lot of init code from user space (hciattach) to the kernel side, thereby creating a more controlled/robust initialization process. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
/*
|
|
*
|
|
* 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 6
|
|
|
|
#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_RAW_DEVICE 0
|
|
#define HCI_UART_RESET_ON_INIT 1
|
|
#define HCI_UART_CREATE_AMP 2
|
|
#define HCI_UART_INIT_PENDING 3
|
|
|
|
struct hci_uart;
|
|
|
|
struct hci_uart_proto {
|
|
unsigned int id;
|
|
int (*open)(struct hci_uart *hu);
|
|
int (*close)(struct hci_uart *hu);
|
|
int (*flush)(struct hci_uart *hu);
|
|
int (*recv)(struct hci_uart *hu, 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 hci_uart_proto *proto;
|
|
void *priv;
|
|
|
|
struct sk_buff *tx_skb;
|
|
unsigned long tx_state;
|
|
spinlock_t rx_lock;
|
|
};
|
|
|
|
/* 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(struct hci_uart_proto *p);
|
|
int hci_uart_unregister_proto(struct hci_uart_proto *p);
|
|
int hci_uart_tx_wakeup(struct hci_uart *hu);
|
|
int hci_uart_init_ready(struct hci_uart *hu);
|
|
|
|
#ifdef CONFIG_BT_HCIUART_H4
|
|
int h4_init(void);
|
|
int h4_deinit(void);
|
|
#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
|