diff options
Diffstat (limited to 'drivers/staging/cg2900/bluetooth/hci_uart.h')
| -rw-r--r-- | drivers/staging/cg2900/bluetooth/hci_uart.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/drivers/staging/cg2900/bluetooth/hci_uart.h b/drivers/staging/cg2900/bluetooth/hci_uart.h new file mode 100644 index 00000000000..23a69519ccd --- /dev/null +++ b/drivers/staging/cg2900/bluetooth/hci_uart.h @@ -0,0 +1,105 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * Authors: + * Par-Gunnar Hjalmdahl (par-gunnar.p.hjalmdahl@stericsson.com) for ST-Ericsson. + * License terms: GNU General Public License (GPL), version 2 + * + * This file is a staging solution and shall be integrated into + * /drivers/bluetooth/hci_uart.h. + * + * Original hci_uart.h file: + * Copyright (C) 2000-2001 Qualcomm Incorporated + * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com> + * Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org> + */ + +/* + * Staging CG2900 Bluetooth HCI UART. Will be replaced by normal N_HCI when + * moved to normal driver folder. + */ +#ifndef N_CG2900_HCI +#define N_CG2900_HCI 23 +#endif /* N_CG2900_HCI */ + +/* 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 7 + +#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_STE 6 + +#define HCI_UART_RAW_DEVICE 0 + +/* UART break and flow control parameters */ +#define BREAK_ON true +#define BREAK_OFF false +#define FLOW_ON true +#define FLOW_OFF false + +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); + bool register_hci_dev; + struct device *dev; +}; + +struct hci_uart { + struct tty_struct *tty; + struct hci_dev *hdev; + unsigned long flags; + unsigned long hdev_flags; + + struct hci_uart_proto *proto; + void *priv; + + struct sk_buff *tx_skb; + unsigned long tx_state; + spinlock_t rx_lock; + + struct file *fd; +}; + +/* HCI_UART proto flag bits */ +#define HCI_UART_PROTO_SET 0 + +/* TX states */ +#define HCI_UART_SENDING 1 +#define HCI_UART_TX_WAKEUP 2 + +int cg2900_hci_uart_register_proto(struct hci_uart_proto *p); +int cg2900_hci_uart_unregister_proto(struct hci_uart_proto *p); +int cg2900_hci_uart_tx_wakeup(struct hci_uart *hu); +int cg2900_hci_uart_set_baudrate(struct hci_uart *hu, int baud); +int cg2900_hci_uart_set_break(struct hci_uart *hu, bool break_on); +int cg2900_hci_uart_tiocmget(struct hci_uart *hu); +void cg2900_hci_uart_flush_buffer(struct hci_uart *hu); +void cg2900_hci_uart_flow_ctrl(struct hci_uart *hu, bool flow_on); +int cg2900_hci_uart_chars_in_buffer(struct hci_uart *hu); + +#define hci_uart_register_proto cg2900_hci_uart_register_proto +#define hci_uart_unregister_proto cg2900_hci_uart_unregister_proto +#define hci_uart_tx_wakeup cg2900_hci_uart_tx_wakeup +#define hci_uart_set_baudrate cg2900_hci_uart_set_baudrate +#define hci_uart_set_break cg2900_hci_uart_set_break +#define hci_uart_tiocmget cg2900_hci_uart_tiocmget +#define hci_uart_flush_buffer cg2900_hci_uart_flush_buffer +#define hci_uart_flow_ctrl cg2900_hci_uart_flow_ctrl +#define hci_uart_chars_in_buffer cg2900_hci_uart_chars_in_buffer |