forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
202 lines
4.8 KiB
202 lines
4.8 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
|
/* |
|
* |
|
* Bluetooth HCI UART driver |
|
* |
|
* Copyright (C) 2000-2001 Qualcomm Incorporated |
|
* Copyright (C) 2002-2003 Maxim Krasnyansky <[email protected]> |
|
* Copyright (C) 2004-2005 Marcel Holtmann <[email protected]> |
|
*/ |
|
|
|
#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 12 |
|
|
|
#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_QCA 8 |
|
#define HCI_UART_AG6XX 9 |
|
#define HCI_UART_NOKIA 10 |
|
#define HCI_UART_MRVL 11 |
|
|
|
#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 serdev_device; |
|
|
|
struct hci_uart_proto { |
|
unsigned int id; |
|
const char *name; |
|
unsigned int manufacturer; |
|
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 serdev_device *serdev; |
|
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; |
|
struct percpu_rw_semaphore proto_lock; /* Stop work for proto close */ |
|
void *priv; |
|
|
|
struct sk_buff *tx_skb; |
|
unsigned long tx_state; |
|
|
|
unsigned int init_speed; |
|
unsigned int oper_speed; |
|
|
|
u8 alignment; |
|
u8 padding; |
|
}; |
|
|
|
/* HCI_UART proto flag bits */ |
|
#define HCI_UART_PROTO_SET 0 |
|
#define HCI_UART_REGISTERED 1 |
|
#define HCI_UART_PROTO_READY 2 |
|
#define HCI_UART_NO_SUSPEND_NOTIFIER 3 |
|
|
|
/* 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_register_device(struct hci_uart *hu, const struct hci_uart_proto *p); |
|
void hci_uart_unregister_device(struct hci_uart *hu); |
|
|
|
int hci_uart_tx_wakeup(struct hci_uart *hu); |
|
int hci_uart_wait_until_sent(struct hci_uart *hu); |
|
int hci_uart_init_ready(struct hci_uart *hu); |
|
void hci_uart_init_work(struct work_struct *work); |
|
void hci_uart_set_baudrate(struct hci_uart *hu, unsigned int speed); |
|
bool hci_uart_has_flow_control(struct hci_uart *hu); |
|
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 |
|
|
|
#define H4_RECV_ISO \ |
|
.type = HCI_ISODATA_PKT, \ |
|
.hlen = HCI_ISO_HDR_SIZE, \ |
|
.loff = 2, \ |
|
.lsize = 2, \ |
|
.maxlen = HCI_MAX_FRAME_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 |
|
|
|
#ifdef CONFIG_BT_HCIUART_QCA |
|
int qca_init(void); |
|
int qca_deinit(void); |
|
#endif |
|
|
|
#ifdef CONFIG_BT_HCIUART_AG6XX |
|
int ag6xx_init(void); |
|
int ag6xx_deinit(void); |
|
#endif |
|
|
|
#ifdef CONFIG_BT_HCIUART_MRVL |
|
int mrvl_init(void); |
|
int mrvl_deinit(void); |
|
#endif
|
|
|