149 lines
4.2 KiB
C
149 lines
4.2 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
|
|
*
|
|
*/
|
|
#include <linux/version.h>
|
|
#include <net/bluetooth/bluetooth.h>
|
|
#include <net/bluetooth/hci_core.h>
|
|
|
|
/* #define HCI_VERSION_CODE KERNEL_VERSION(3, 14, 41) */
|
|
#define HCI_VERSION_CODE LINUX_VERSION_CODE
|
|
|
|
#ifndef N_HCI
|
|
#define N_HCI 15
|
|
#endif
|
|
|
|
#ifndef CONFIG_BT_HCIUART_H4
|
|
#define CONFIG_BT_HCIUART_H4
|
|
#endif
|
|
|
|
#define BTCOEX
|
|
|
|
/* Send host sleep notification to Controller */
|
|
#define WOBT_NOTIFY 0 /* 1 enable; 0 disable */
|
|
|
|
/* Send LE whitelist only for Background scan parameters */
|
|
#define WOBT_NOTIFY_BG_SCAN_LE_WHITELIST_ONLY (0 * WOBT_NOTIFY) /* 1 enable; 0 disable */
|
|
|
|
/* RTKBT Power-on Whitelist for sideband wake-up by LE Advertising from Remote.
|
|
* Note that it's necessary to apply TV FW Patch. */
|
|
#define RTKBT_TV_POWERON_WHITELIST (0 * WOBT_NOTIFY) /* 1 enable; 0 disable */
|
|
|
|
/* RTKBT Power-on Data Filter for Manufacturer field */
|
|
/* Note that please edit the datafilter in
|
|
* rtkbt_set_le_device_poweron_data_filter() of hci_ldisc.c */
|
|
#define RTKBT_TV_POWERON_DATA_FILTER (0 * WOBT_NOTIFY) /* 1 enable; 0 disable */
|
|
|
|
#define RTKBT_POWERKEY_WAKEUP
|
|
|
|
/* 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
|
|
#define HCI_UART_EXT_CONFIG 4
|
|
#define HCI_UART_VND_DETECT 5
|
|
|
|
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 write_work;
|
|
struct workqueue_struct *hci_uart_wq;
|
|
|
|
struct hci_uart_proto *proto;
|
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0)
|
|
struct percpu_rw_semaphore proto_lock; /* Stop work for proto close */
|
|
#else
|
|
struct rw_semaphore proto_lock;
|
|
#endif
|
|
void *priv;
|
|
|
|
struct semaphore tx_sem; /* semaphore for tx */
|
|
|
|
struct sk_buff *tx_skb;
|
|
unsigned long tx_state;
|
|
|
|
#if WOBT_NOTIFY
|
|
struct notifier_block pm_notify_block;
|
|
struct notifier_block shutdown_notifier;
|
|
#endif
|
|
};
|
|
|
|
/* HCI_UART proto flag bits */
|
|
#define HCI_UART_PROTO_SET 0
|
|
#define HCI_UART_REGISTERED 1
|
|
#define HCI_UART_PROTO_READY 2
|
|
|
|
/* TX states */
|
|
#define HCI_UART_SENDING 1
|
|
#define HCI_UART_TX_WAKEUP 2
|
|
|
|
extern int hci_uart_register_proto(struct hci_uart_proto *p);
|
|
extern int hci_uart_unregister_proto(struct hci_uart_proto *p);
|
|
extern int hci_uart_tx_wakeup(struct hci_uart *hu);
|
|
|
|
#ifdef CONFIG_BT_HCIUART_H4
|
|
extern int h4_init(void);
|
|
extern int h4_deinit(void);
|
|
#endif
|
|
|
|
extern int h5_init(void);
|
|
extern int h5_deinit(void);
|
|
|
|
#if HCI_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
|
|
extern int hci_uart_send_frame(struct sk_buff *skb);
|
|
#else
|
|
extern int hci_uart_send_frame(struct hci_dev *hdev, struct sk_buff *skb);
|
|
#endif
|