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authorJohan Hedberg <johan.hedberg@intel.com>2012-07-16 16:12:02 +0300
committerGustavo Padovan <gustavo.padovan@collabora.co.uk>2012-07-17 14:33:20 -0300
commit7dec65c8a7fdab87d23bcf3c7e7eff662d180853 (patch)
tree11c79d87b6aa1c3fa73c3ed0eddc867c744420e4 /drivers/bluetooth/hci_h5.c
parent83ce9a06b5307c8d759ddd8e4f49e2495fb321f7 (diff)
Bluetooth: Initial skeleton for Three-wire UART (H5) support
This patch adds the initial skeleton for Three-wire UART (H5) support and hooks it up to the HCI UART framework. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Diffstat (limited to 'drivers/bluetooth/hci_h5.c')
-rw-r--r--drivers/bluetooth/hci_h5.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
new file mode 100644
index 00000000000..6353d00ba86
--- /dev/null
+++ b/drivers/bluetooth/hci_h5.c
@@ -0,0 +1,88 @@
+/*
+ *
+ * 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);
+}