1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c
new file mode 100644
index 000000000000..0b9362061713
--- /dev/null
+++ b/drivers/usb/serial/qcaux.c
@@ -0,0 +1,96 @@
+/*
+ * Qualcomm USB Auxiliary Serial Port driver
+ *
+ * Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2010 Dan Williams <dcbw@redhat.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ * Devices listed here usually provide a CDC ACM port on which normal modem
+ * AT commands and PPP can be used.  But when that port is in-use by PPP it
+ * cannot be used simultaneously for status or signal strength.  Instead, the
+ * ports here can be queried for that information using the Qualcomm DM
+ * protocol.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+
+/* NOTE: for now, only use this driver for devices that provide a CDC-ACM port
+ * for normal AT commands, but also provide secondary USB interfaces for the
+ * QCDM-capable ports.  Devices that do not provide a CDC-ACM port should
+ * probably be driven by option.ko.
+ */
+
+/* UTStarcom/Pantech/Curitel devices */
+#define UTSTARCOM_VENDOR_ID			0x106c
+#define UTSTARCOM_PRODUCT_PC5740		0x3701
+#define UTSTARCOM_PRODUCT_PC5750		0x3702 /* aka Pantech PX-500 */
+#define UTSTARCOM_PRODUCT_UM150			0x3711
+#define UTSTARCOM_PRODUCT_UM175_V1		0x3712
+#define UTSTARCOM_PRODUCT_UM175_V2		0x3714
+#define UTSTARCOM_PRODUCT_UM175_ALLTEL		0x3715
+
+/* CMOTECH devices */
+#define CMOTECH_VENDOR_ID			0x16d8
+#define CMOTECH_PRODUCT_CDU550			0x5553
+#define CMOTECH_PRODUCT_CDX650			0x6512
+
+static struct usb_device_id id_table[] = {
+	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5740, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5750, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM150, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V1, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V2, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_ALLTEL, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU550, 0xff, 0xff, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDX650, 0xff, 0xff, 0x00) },
+	{ },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_driver qcaux_driver = {
+	.name =		"qcaux",
+	.probe =	usb_serial_probe,
+	.disconnect =	usb_serial_disconnect,
+	.id_table =	id_table,
+	.no_dynamic_id = 	1,
+};
+
+static struct usb_serial_driver qcaux_device = {
+	.driver = {
+		.owner =	THIS_MODULE,
+		.name =		"qcaux",
+	},
+	.id_table =		id_table,
+	.num_ports =		1,
+};
+
+static int __init qcaux_init(void)
+{
+	int retval;
+
+	retval = usb_serial_register(&qcaux_device);
+	if (retval)
+		return retval;
+	retval = usb_register(&qcaux_driver);
+	if (retval)
+		usb_serial_deregister(&qcaux_device);
+	return retval;
+}
+
+static void __exit qcaux_exit(void)
+{
+	usb_deregister(&qcaux_driver);
+	usb_serial_deregister(&qcaux_device);
+}
+
+module_init(qcaux_init);
+module_exit(qcaux_exit);
+MODULE_LICENSE("GPL");