Bluetooth: Initial skeleton for Three-wire UART (H5) support (7dec65c8) · Commits · 戴 / test

drivers/bluetooth/Kconfig

+12 −0

Original line number	Diff line number	Diff line
		@@ -81,6 +81,18 @@ config BT_HCIUART_LL

		Say Y here to compile support for HCILL protocol.

		config BT_HCIUART_3WIRE
		bool "Three-wire UART (H5) protocol support"
		depends on BT_HCIUART
		help
		The HCI Three-wire UART Transport Layer makes it possible to
		user the Bluetooth HCI over a serial port interface. The HCI
		Three-wire UART Transport Layer assumes that the UART
		communication may have bit errors, overrun errors or burst
		errors and thereby making CTS/RTS lines unnecessary.

		Say Y here to compile support for Three-wire UART protocol.

		config BT_HCIBCM203X
		tristate "HCI BCM203x USB driver"
		depends on USB

drivers/bluetooth/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -28,4 +28,5 @@ hci_uart-$(CONFIG_BT_HCIUART_H4) += hci_h4.o
		hci_uart-$(CONFIG_BT_HCIUART_BCSP) += hci_bcsp.o
		hci_uart-$(CONFIG_BT_HCIUART_LL) += hci_ll.o
		hci_uart-$(CONFIG_BT_HCIUART_ATH3K) += hci_ath.o
		hci_uart-$(CONFIG_BT_HCIUART_3WIRE) += hci_h5.o
		hci_uart-objs := $(hci_uart-y)

drivers/bluetooth/hci_h5.c

0 → 100644

+88 −0

Original line number	Diff line number	Diff line
		/*
		*
		* Bluetooth HCI Three-wire UART driver
		*
		* Copyright (C) 2012 Intel Corporation
		*
		*
		* 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/kernel.h>
		#include <linux/errno.h>
		#include <linux/skbuff.h>

		#include <net/bluetooth/bluetooth.h>
		#include <net/bluetooth/hci_core.h>

		#include "hci_uart.h"

		static int h5_open(struct hci_uart *hu)
		{
		return -ENOSYS;
		}

		static int h5_close(struct hci_uart *hu)
		{
		return -ENOSYS;
		}

		static int h5_recv(struct hci_uart hu, void data, int count)
		{
		return -ENOSYS;
		}

		static int h5_enqueue(struct hci_uart hu, struct sk_buff skb)
		{
		return -ENOSYS;
		}

		static struct sk_buff h5_dequeue(struct hci_uart hu)
		{
		return NULL;
		}

		static int h5_flush(struct hci_uart *hu)
		{
		return -ENOSYS;
		}

		static struct hci_uart_proto h5p = {
		.id = HCI_UART_3WIRE,
		.open = h5_open,
		.close = h5_close,
		.recv = h5_recv,
		.enqueue = h5_enqueue,
		.dequeue = h5_dequeue,
		.flush = h5_flush,
		};

		int __init h5_init(void)
		{
		int err = hci_uart_register_proto(&h5p);

		if (!err)
		BT_INFO("HCI Three-wire UART (H5) protocol initialized");
		else
		BT_ERR("HCI Three-wire UART (H5) protocol init failed");

		return err;
		}

		int __exit h5_deinit(void)
		{
		return hci_uart_unregister_proto(&h5p);
		}

drivers/bluetooth/hci_ldisc.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -558,6 +558,9 @@ static int __init hci_uart_init(void)
		#ifdef CONFIG_BT_HCIUART_ATH3K
		ath_init();
		#endif
		#ifdef CONFIG_BT_HCIUART_3WIRE
		h5_init();
		#endif

		return 0;
		}
		@@ -578,6 +581,9 @@ static void __exit hci_uart_exit(void)
		#ifdef CONFIG_BT_HCIUART_ATH3K
		ath_deinit();
		#endif
		#ifdef CONFIG_BT_HCIUART_3WIRE
		h5_deinit();
		#endif

		/* Release tty registration of line discipline */
		if ((err = tty_unregister_ldisc(N_HCI)))

drivers/bluetooth/hci_uart.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -104,3 +104,8 @@ int ll_deinit(void);
		int ath_init(void);
		int ath_deinit(void);
		#endif

		#ifdef CONFIG_BT_HCIUART_3WIRE
		int h5_init(void);
		int h5_deinit(void);
		#endif

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