[deliverable/linux.git] / drivers / usb / serial / qcserial.c

/*
 * Qualcomm Serial USB driver
 *
 *	Copyright (c) 2008 QUALCOMM Incorporated.
 *	Copyright (c) 2009 Greg Kroah-Hartman <gregkh@suse.de>
 *	Copyright (c) 2009 Novell Inc.
 *
 *	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.
 *
 */

#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
#include <linux/slab.h>
#include "usb-wwan.h"

#define DRIVER_AUTHOR "Qualcomm Inc"
#define DRIVER_DESC "Qualcomm USB Serial driver"

/* standard device layouts supported by this driver */
enum qcserial_layouts {
	QCSERIAL_G2K = 0,	/* Gobi 2000 */
	QCSERIAL_G1K = 1,	/* Gobi 1000 */
	QCSERIAL_SWI = 2,	/* Sierra Wireless */
	QCSERIAL_HWI = 3,	/* Huawei */
};

#define DEVICE_G1K(v, p) \
	USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K
#define DEVICE_SWI(v, p) \
	USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI
#define DEVICE_HWI(v, p) \
	USB_DEVICE(v, p), .driver_info = QCSERIAL_HWI

static const struct usb_device_id id_table[] = {
	/* Gobi 1000 devices */
	{DEVICE_G1K(0x05c6, 0x9211)},	/* Acer Gobi QDL device */
	{DEVICE_G1K(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
	{DEVICE_G1K(0x03f0, 0x1f1d)},	/* HP un2400 Gobi Modem Device */
	{DEVICE_G1K(0x03f0, 0x201d)},	/* HP un2400 Gobi QDL Device */
	{DEVICE_G1K(0x04da, 0x250d)},	/* Panasonic Gobi Modem device */
	{DEVICE_G1K(0x04da, 0x250c)},	/* Panasonic Gobi QDL device */
	{DEVICE_G1K(0x413c, 0x8172)},	/* Dell Gobi Modem device */
	{DEVICE_G1K(0x413c, 0x8171)},	/* Dell Gobi QDL device */
	{DEVICE_G1K(0x1410, 0xa001)},	/* Novatel/Verizon USB-1000 */
	{DEVICE_G1K(0x1410, 0xa002)},	/* Novatel Gobi Modem device */
	{DEVICE_G1K(0x1410, 0xa003)},	/* Novatel Gobi Modem device */
	{DEVICE_G1K(0x1410, 0xa004)},	/* Novatel Gobi Modem device */
	{DEVICE_G1K(0x1410, 0xa005)},	/* Novatel Gobi Modem device */
	{DEVICE_G1K(0x1410, 0xa006)},	/* Novatel Gobi Modem device */
	{DEVICE_G1K(0x1410, 0xa007)},	/* Novatel Gobi Modem device */
	{DEVICE_G1K(0x1410, 0xa008)},	/* Novatel Gobi QDL device */
	{DEVICE_G1K(0x0b05, 0x1776)},	/* Asus Gobi Modem device */
	{DEVICE_G1K(0x0b05, 0x1774)},	/* Asus Gobi QDL device */
	{DEVICE_G1K(0x19d2, 0xfff3)},	/* ONDA Gobi Modem device */
	{DEVICE_G1K(0x19d2, 0xfff2)},	/* ONDA Gobi QDL device */
	{DEVICE_G1K(0x1557, 0x0a80)},	/* OQO Gobi QDL device */
	{DEVICE_G1K(0x05c6, 0x9001)},   /* Generic Gobi Modem device */
	{DEVICE_G1K(0x05c6, 0x9002)},	/* Generic Gobi Modem device */
	{DEVICE_G1K(0x05c6, 0x9202)},	/* Generic Gobi Modem device */
	{DEVICE_G1K(0x05c6, 0x9203)},	/* Generic Gobi Modem device */
	{DEVICE_G1K(0x05c6, 0x9222)},	/* Generic Gobi Modem device */
	{DEVICE_G1K(0x05c6, 0x9008)},	/* Generic Gobi QDL device */
	{DEVICE_G1K(0x05c6, 0x9009)},	/* Generic Gobi Modem device */
	{DEVICE_G1K(0x05c6, 0x9201)},	/* Generic Gobi QDL device */
	{DEVICE_G1K(0x05c6, 0x9221)},	/* Generic Gobi QDL device */
	{DEVICE_G1K(0x05c6, 0x9231)},	/* Generic Gobi QDL device */
	{DEVICE_G1K(0x1f45, 0x0001)},	/* Unknown Gobi QDL device */
	{DEVICE_G1K(0x1bc7, 0x900e)},	/* Telit Gobi QDL device */

	/* Gobi 2000 devices */
	{USB_DEVICE(0x1410, 0xa010)},	/* Novatel Gobi 2000 QDL device */
	{USB_DEVICE(0x1410, 0xa011)},	/* Novatel Gobi 2000 QDL device */
	{USB_DEVICE(0x1410, 0xa012)},	/* Novatel Gobi 2000 QDL device */
	{USB_DEVICE(0x1410, 0xa013)},	/* Novatel Gobi 2000 QDL device */
	{USB_DEVICE(0x1410, 0xa014)},	/* Novatel Gobi 2000 QDL device */
	{USB_DEVICE(0x413c, 0x8185)},	/* Dell Gobi 2000 QDL device (N0218, VU936) */
	{USB_DEVICE(0x413c, 0x8186)},	/* Dell Gobi 2000 Modem device (N0218, VU936) */
	{USB_DEVICE(0x05c6, 0x9208)},	/* Generic Gobi 2000 QDL device */
	{USB_DEVICE(0x05c6, 0x920b)},	/* Generic Gobi 2000 Modem device */
	{USB_DEVICE(0x05c6, 0x9224)},	/* Sony Gobi 2000 QDL device (N0279, VU730) */
	{USB_DEVICE(0x05c6, 0x9225)},	/* Sony Gobi 2000 Modem device (N0279, VU730) */
	{USB_DEVICE(0x05c6, 0x9244)},	/* Samsung Gobi 2000 QDL device (VL176) */
	{USB_DEVICE(0x05c6, 0x9245)},	/* Samsung Gobi 2000 Modem device (VL176) */
	{USB_DEVICE(0x03f0, 0x241d)},	/* HP Gobi 2000 QDL device (VP412) */
	{USB_DEVICE(0x03f0, 0x251d)},	/* HP Gobi 2000 Modem device (VP412) */
	{USB_DEVICE(0x05c6, 0x9214)},	/* Acer Gobi 2000 QDL device (VP413) */
	{USB_DEVICE(0x05c6, 0x9215)},	/* Acer Gobi 2000 Modem device (VP413) */
	{USB_DEVICE(0x05c6, 0x9264)},	/* Asus Gobi 2000 QDL device (VR305) */
	{USB_DEVICE(0x05c6, 0x9265)},	/* Asus Gobi 2000 Modem device (VR305) */
	{USB_DEVICE(0x05c6, 0x9234)},	/* Top Global Gobi 2000 QDL device (VR306) */
	{USB_DEVICE(0x05c6, 0x9235)},	/* Top Global Gobi 2000 Modem device (VR306) */
	{USB_DEVICE(0x05c6, 0x9274)},	/* iRex Technologies Gobi 2000 QDL device (VR307) */
	{USB_DEVICE(0x05c6, 0x9275)},	/* iRex Technologies Gobi 2000 Modem device (VR307) */
	{USB_DEVICE(0x1199, 0x9000)},	/* Sierra Wireless Gobi 2000 QDL device (VT773) */
	{USB_DEVICE(0x1199, 0x9001)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
	{USB_DEVICE(0x1199, 0x9002)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
	{USB_DEVICE(0x1199, 0x9003)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
	{USB_DEVICE(0x1199, 0x9004)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
	{USB_DEVICE(0x1199, 0x9005)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
	{USB_DEVICE(0x1199, 0x9006)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
	{USB_DEVICE(0x1199, 0x9007)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
	{USB_DEVICE(0x1199, 0x9008)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
	{USB_DEVICE(0x1199, 0x9009)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
	{USB_DEVICE(0x1199, 0x900a)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
	{USB_DEVICE(0x1199, 0x9011)},   /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
	{USB_DEVICE(0x16d8, 0x8001)},	/* CMDTech Gobi 2000 QDL device (VU922) */
	{USB_DEVICE(0x16d8, 0x8002)},	/* CMDTech Gobi 2000 Modem device (VU922) */
	{USB_DEVICE(0x05c6, 0x9204)},	/* Gobi 2000 QDL device */
	{USB_DEVICE(0x05c6, 0x9205)},	/* Gobi 2000 Modem device */

	/* Gobi 3000 devices */
	{USB_DEVICE(0x03f0, 0x371d)},	/* HP un2430 Gobi 3000 QDL */
	{USB_DEVICE(0x05c6, 0x920c)},	/* Gobi 3000 QDL */
	{USB_DEVICE(0x05c6, 0x920d)},	/* Gobi 3000 Composite */
	{USB_DEVICE(0x1410, 0xa020)},   /* Novatel Gobi 3000 QDL */
	{USB_DEVICE(0x1410, 0xa021)},	/* Novatel Gobi 3000 Composite */
	{USB_DEVICE(0x413c, 0x8193)},	/* Dell Gobi 3000 QDL */
	{USB_DEVICE(0x413c, 0x8194)},	/* Dell Gobi 3000 Composite */
	{USB_DEVICE(0x1199, 0x68a4)},	/* Sierra Wireless QDL */
	{USB_DEVICE(0x1199, 0x68a5)},	/* Sierra Wireless Modem */
	{USB_DEVICE(0x1199, 0x68a8)},	/* Sierra Wireless QDL */
	{USB_DEVICE(0x1199, 0x68a9)},	/* Sierra Wireless Modem */
	{USB_DEVICE(0x1199, 0x9010)},	/* Sierra Wireless Gobi 3000 QDL */
	{USB_DEVICE(0x1199, 0x9012)},	/* Sierra Wireless Gobi 3000 QDL */
	{USB_DEVICE(0x1199, 0x9013)},	/* Sierra Wireless Gobi 3000 Modem device (MC8355) */
	{USB_DEVICE(0x1199, 0x9014)},	/* Sierra Wireless Gobi 3000 QDL */
	{USB_DEVICE(0x1199, 0x9015)},	/* Sierra Wireless Gobi 3000 Modem device */
	{USB_DEVICE(0x1199, 0x9018)},	/* Sierra Wireless Gobi 3000 QDL */
	{USB_DEVICE(0x1199, 0x9019)},	/* Sierra Wireless Gobi 3000 Modem device */
	{USB_DEVICE(0x1199, 0x901b)},	/* Sierra Wireless MC7770 */
	{USB_DEVICE(0x12D1, 0x14F0)},	/* Sony Gobi 3000 QDL */
	{USB_DEVICE(0x12D1, 0x14F1)},	/* Sony Gobi 3000 Composite */
	{USB_DEVICE(0x0AF0, 0x8120)},	/* Option GTM681W */

	/* non-Gobi Sierra Wireless devices */
	{DEVICE_SWI(0x0f3d, 0x68a2)},	/* Sierra Wireless MC7700 */
	{DEVICE_SWI(0x114f, 0x68a2)},	/* Sierra Wireless MC7750 */
	{DEVICE_SWI(0x1199, 0x68a2)},	/* Sierra Wireless MC7710 */
	{DEVICE_SWI(0x1199, 0x901c)},	/* Sierra Wireless EM7700 */
	{DEVICE_SWI(0x1199, 0x901f)},	/* Sierra Wireless EM7355 */
	{DEVICE_SWI(0x1199, 0x9040)},	/* Sierra Wireless Modem */
	{DEVICE_SWI(0x1199, 0x9041)},	/* Sierra Wireless MC7305/MC7355 */
	{DEVICE_SWI(0x1199, 0x9051)},	/* Netgear AirCard 340U */
	{DEVICE_SWI(0x1199, 0x9053)},	/* Sierra Wireless Modem */
	{DEVICE_SWI(0x1199, 0x9054)},	/* Sierra Wireless Modem */
	{DEVICE_SWI(0x1199, 0x9055)},	/* Netgear AirCard 341U */
	{DEVICE_SWI(0x1199, 0x9056)},	/* Sierra Wireless Modem */
	{DEVICE_SWI(0x1199, 0x9060)},	/* Sierra Wireless Modem */
	{DEVICE_SWI(0x1199, 0x9061)},	/* Sierra Wireless Modem */
	{DEVICE_SWI(0x413c, 0x81a2)},	/* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
	{DEVICE_SWI(0x413c, 0x81a3)},	/* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
	{DEVICE_SWI(0x413c, 0x81a4)},	/* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
	{DEVICE_SWI(0x413c, 0x81a8)},	/* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
	{DEVICE_SWI(0x413c, 0x81a9)},	/* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */

	/* Huawei devices */
	{DEVICE_HWI(0x03f0, 0x581d)},	/* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */

	{ }				/* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, id_table);

static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
{
	struct usb_host_interface *intf = serial->interface->cur_altsetting;
	struct device *dev = &serial->dev->dev;
	int retval = -ENODEV;
	__u8 nintf;
	__u8 ifnum;
	int altsetting = -1;

	nintf = serial->dev->actconfig->desc.bNumInterfaces;
	dev_dbg(dev, "Num Interfaces = %d\n", nintf);
	ifnum = intf->desc.bInterfaceNumber;
	dev_dbg(dev, "This Interface = %d\n", ifnum);

	if (nintf == 1) {
		/* QDL mode */
		/* Gobi 2000 has a single altsetting, older ones have two */
		if (serial->interface->num_altsetting == 2)
			intf = &serial->interface->altsetting[1];
		else if (serial->interface->num_altsetting > 2)
			goto done;

		if (intf->desc.bNumEndpoints == 2 &&
		    usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
		    usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
			dev_dbg(dev, "QDL port found\n");

			if (serial->interface->num_altsetting == 1)
				retval = 0; /* Success */
			else
				altsetting = 1;
		}
		goto done;

	}

	/* default to enabling interface */
	altsetting = 0;

	/*
	 * Composite mode; don't bind to the QMI/net interface as that
	 * gets handled by other drivers.
	 */

	switch (id->driver_info) {
	case QCSERIAL_G1K:
		/*
		 * Gobi 1K USB layout:
		 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
		 * 1: serial port (doesn't respond)
		 * 2: AT-capable modem port
		 * 3: QMI/net
		 */
		if (nintf < 3 || nintf > 4) {
			dev_err(dev, "unknown number of interfaces: %d\n", nintf);
			altsetting = -1;
			goto done;
		}

		if (ifnum == 0) {
			dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n");
			altsetting = 1;
		} else if (ifnum == 2)
			dev_dbg(dev, "Modem port found\n");
		else
			altsetting = -1;
		break;
	case QCSERIAL_G2K:
		/*
		 * Gobi 2K+ USB layout:
		 * 0: QMI/net
		 * 1: DM/DIAG (use libqcdm from ModemManager for communication)
		 * 2: AT-capable modem port
		 * 3: NMEA
		 */
		if (nintf < 3 || nintf > 4) {
			dev_err(dev, "unknown number of interfaces: %d\n", nintf);
			altsetting = -1;
			goto done;
		}

		switch (ifnum) {
		case 0:
			/* Don't claim the QMI/net interface */
			altsetting = -1;
			break;
		case 1:
			dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n");
			break;
		case 2:
			dev_dbg(dev, "Modem port found\n");
			break;
		case 3:
			/*
			 * NMEA (serial line 9600 8N1)
			 * # echo "\$GPS_START" > /dev/ttyUSBx
			 * # echo "\$GPS_STOP"  > /dev/ttyUSBx
			 */
			dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n");
			break;
		}
		break;
	case QCSERIAL_SWI:
		/*
		 * Sierra Wireless layout:
		 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
		 * 2: NMEA
		 * 3: AT-capable modem port
		 * 8: QMI/net
		 */
		switch (ifnum) {
		case 0:
			dev_dbg(dev, "DM/DIAG interface found\n");
			break;
		case 2:
			dev_dbg(dev, "NMEA GPS interface found\n");
			break;
		case 3:
			dev_dbg(dev, "Modem port found\n");
			break;
		default:
			/* don't claim any unsupported interface */
			altsetting = -1;
			break;
		}
		break;
	case QCSERIAL_HWI:
		/*
		 * Huawei layout:
		 * 0: AT-capable modem port
		 * 1: DM/DIAG
		 * 2: AT-capable modem port
		 * 3: CCID-compatible PCSC interface
		 * 4: QMI/net
		 * 5: NMEA
		 */
		switch (ifnum) {
		case 0:
		case 2:
			dev_dbg(dev, "Modem port found\n");
			break;
		case 1:
			dev_dbg(dev, "DM/DIAG interface found\n");
			break;
		case 5:
			dev_dbg(dev, "NMEA GPS interface found\n");
			break;
		default:
			/* don't claim any unsupported interface */
			altsetting = -1;
			break;
		}
		break;
	default:
		dev_err(dev, "unsupported device layout type: %lu\n",
			id->driver_info);
		break;
	}

done:
	if (altsetting >= 0) {
		retval = usb_set_interface(serial->dev, ifnum, altsetting);
		if (retval < 0) {
			dev_err(dev,
				"Could not set interface, error %d\n",
				retval);
			retval = -ENODEV;
		}
	}

	return retval;
}

static int qc_attach(struct usb_serial *serial)
{
	struct usb_wwan_intf_private *data;

	data = kzalloc(sizeof(*data), GFP_KERNEL);
	if (!data)
		return -ENOMEM;

	spin_lock_init(&data->susp_lock);

	usb_set_serial_data(serial, data);

	return 0;
}

static void qc_release(struct usb_serial *serial)
{
	struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);

	usb_set_serial_data(serial, NULL);
	kfree(priv);
}

static struct usb_serial_driver qcdevice = {
	.driver = {
		.owner     = THIS_MODULE,
		.name      = "qcserial",
	},
	.description         = "Qualcomm USB modem",
	.id_table            = id_table,
	.num_ports           = 1,
	.probe               = qcprobe,
	.open		     = usb_wwan_open,
	.close		     = usb_wwan_close,
	.write		     = usb_wwan_write,
	.write_room	     = usb_wwan_write_room,
	.chars_in_buffer     = usb_wwan_chars_in_buffer,
	.attach              = qc_attach,
	.release	     = qc_release,
	.port_probe          = usb_wwan_port_probe,
	.port_remove	     = usb_wwan_port_remove,
#ifdef CONFIG_PM
	.suspend	     = usb_wwan_suspend,
	.resume		     = usb_wwan_resume,
#endif
};

static struct usb_serial_driver * const serial_drivers[] = {
	&qcdevice, NULL
};

module_usb_serial_driver(serial_drivers, id_table);

MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL v2");
Commit	Line	Data
a78b4282 GKH	1	/*
	2	* Qualcomm Serial USB driver
	3	*
	4	* Copyright (c) 2008 QUALCOMM Incorporated.
	5	* Copyright (c) 2009 Greg Kroah-Hartman <gregkh@suse.de>
	6	* Copyright (c) 2009 Novell Inc.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License version
	10	* 2 as published by the Free Software Foundation.
	11	*
	12	*/
	13
	14	#include <linux/tty.h>
	15	#include <linux/tty_flip.h>
6eb0de82	16	#include <linux/module.h>
a78b4282 GKH	17	#include <linux/usb.h>
a78b4282 GKH	18	#include <linux/usb/serial.h>
3d7e59ad MG	19	#include <linux/slab.h>
3d7e59ad MG	20	#include "usb-wwan.h"
a78b4282 GKH	21
	22	#define DRIVER_AUTHOR "Qualcomm Inc"
	23	#define DRIVER_DESC "Qualcomm USB Serial driver"
	24
d712ca91 BM	25	/* standard device layouts supported by this driver */
	26	enum qcserial_layouts {
	27	QCSERIAL_G2K = 0, /* Gobi 2000 */
	28	QCSERIAL_G1K = 1, /* Gobi 1000 */
8bc7a069	29	QCSERIAL_SWI = 2, /* Sierra Wireless */
e7181d00	30	QCSERIAL_HWI = 3, /* Huawei */
d712ca91 BM	31	};
d712ca91 BM	32
c192c8e7	33	#define DEVICE_G1K(v, p) \
d712ca91	34	USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K
8bc7a069 BM	35	#define DEVICE_SWI(v, p) \
8bc7a069 BM	36	USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI
e7181d00 MH	37	#define DEVICE_HWI(v, p) \
e7181d00 MH	38	USB_DEVICE(v, p), .driver_info = QCSERIAL_HWI
c192c8e7	39
7d40d7e8	40	static const struct usb_device_id id_table[] = {
c192c8e7 DW	41	/* Gobi 1000 devices */
	42	{DEVICE_G1K(0x05c6, 0x9211)}, /* Acer Gobi QDL device */
	43	{DEVICE_G1K(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
	44	{DEVICE_G1K(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */
	45	{DEVICE_G1K(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */
	46	{DEVICE_G1K(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */
	47	{DEVICE_G1K(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */
	48	{DEVICE_G1K(0x413c, 0x8172)}, /* Dell Gobi Modem device */
	49	{DEVICE_G1K(0x413c, 0x8171)}, /* Dell Gobi QDL device */
a254810a DW	50	{DEVICE_G1K(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */
	51	{DEVICE_G1K(0x1410, 0xa002)}, /* Novatel Gobi Modem device */
	52	{DEVICE_G1K(0x1410, 0xa003)}, /* Novatel Gobi Modem device */
	53	{DEVICE_G1K(0x1410, 0xa004)}, /* Novatel Gobi Modem device */
	54	{DEVICE_G1K(0x1410, 0xa005)}, /* Novatel Gobi Modem device */
	55	{DEVICE_G1K(0x1410, 0xa006)}, /* Novatel Gobi Modem device */
	56	{DEVICE_G1K(0x1410, 0xa007)}, /* Novatel Gobi Modem device */
c192c8e7 DW	57	{DEVICE_G1K(0x1410, 0xa008)}, /* Novatel Gobi QDL device */
	58	{DEVICE_G1K(0x0b05, 0x1776)}, /* Asus Gobi Modem device */
	59	{DEVICE_G1K(0x0b05, 0x1774)}, /* Asus Gobi QDL device */
	60	{DEVICE_G1K(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */
	61	{DEVICE_G1K(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */
	62	{DEVICE_G1K(0x1557, 0x0a80)}, /* OQO Gobi QDL device */
	63	{DEVICE_G1K(0x05c6, 0x9001)}, /* Generic Gobi Modem device */
	64	{DEVICE_G1K(0x05c6, 0x9002)}, /* Generic Gobi Modem device */
	65	{DEVICE_G1K(0x05c6, 0x9202)}, /* Generic Gobi Modem device */
	66	{DEVICE_G1K(0x05c6, 0x9203)}, /* Generic Gobi Modem device */
	67	{DEVICE_G1K(0x05c6, 0x9222)}, /* Generic Gobi Modem device */
	68	{DEVICE_G1K(0x05c6, 0x9008)}, /* Generic Gobi QDL device */
	69	{DEVICE_G1K(0x05c6, 0x9009)}, /* Generic Gobi Modem device */
	70	{DEVICE_G1K(0x05c6, 0x9201)}, /* Generic Gobi QDL device */
	71	{DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */
	72	{DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */
	73	{DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */
78796ae1	74	{DEVICE_G1K(0x1bc7, 0x900e)}, /* Telit Gobi QDL device */
c192c8e7 DW	75
	76	/* Gobi 2000 devices */
	77	{USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */
	78	{USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi 2000 QDL device */
	79	{USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi 2000 QDL device */
	80	{USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi 2000 QDL device */
	81	{USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi 2000 QDL device */
0725e95e BR	82	{USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */
0725e95e BR	83	{USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */
bec25b89 AB	84	{USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */
bec25b89 AB	85	{USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */
0725e95e BR	86	{USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */
	87	{USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */
	88	{USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */
	89	{USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
	90	{USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */
	91	{USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
	92	{USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */
	93	{USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
	94	{USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */
	95	{USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
	96	{USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */
	97	{USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
	98	{USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */
	99	{USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
	100	{USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */
	101	{USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
	102	{USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
	103	{USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
	104	{USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
	105	{USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
	106	{USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
	107	{USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
	108	{USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
	109	{USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
	110	{USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
2f1def26	111	{USB_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
0725e95e BR	112	{USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */
0725e95e BR	113	{USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */
e07896e6 AH	114	{USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */
e07896e6 AH	115	{USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */
2db4d870	116
c192c8e7 DW	117	/* Gobi 3000 devices */
c192c8e7 DW	118	{USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Gobi 3000 QDL */
2db4d870 TT	119	{USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */
	120	{USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */
	121	{USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */
	122	{USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */
	123	{USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */
	124	{USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */
1937131a BM	125	{USB_DEVICE(0x1199, 0x68a4)}, /* Sierra Wireless QDL */
	126	{USB_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */
	127	{USB_DEVICE(0x1199, 0x68a8)}, /* Sierra Wireless QDL */
	128	{USB_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */
c41444cc BM	129	{USB_DEVICE(0x1199, 0x9010)}, /* Sierra Wireless Gobi 3000 QDL */
c41444cc BM	130	{USB_DEVICE(0x1199, 0x9012)}, /* Sierra Wireless Gobi 3000 QDL */
68c79e57	131	{USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
c41444cc BM	132	{USB_DEVICE(0x1199, 0x9014)}, /* Sierra Wireless Gobi 3000 QDL */
	133	{USB_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */
	134	{USB_DEVICE(0x1199, 0x9018)}, /* Sierra Wireless Gobi 3000 QDL */
	135	{USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */
1937131a	136	{USB_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */
2db4d870 TT	137	{USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */
2db4d870 TT	138	{USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
8a2f132a	139	{USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */
1937131a	140
8bc7a069 BM	141	/* non-Gobi Sierra Wireless devices */
	142	{DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */
	143	{DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */
	144	{DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */
8bc7a069 BM	145	{DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */
8bc7a069 BM	146	{DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */
0ce5fb58	147	{DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */
8bc7a069 BM	148	{DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */
8bc7a069 BM	149	{DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */
0ce5fb58 AM	150	{DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */
0ce5fb58 AM	151	{DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */
ff1fcd50	152	{DEVICE_SWI(0x1199, 0x9055)}, /* Netgear AirCard 341U */
0ce5fb58 AM	153	{DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */
	154	{DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */
	155	{DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */
8bc7a069 BM	156	{DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
	157	{DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
	158	{DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
	159	{DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
	160	{DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
1937131a	161
e7181d00 MH	162	/* Huawei devices */
	163	{DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
	164
a78b4282 GKH	165	{ } /* Terminating entry */
	166	};
	167	MODULE_DEVICE_TABLE(usb, id_table);
	168
a78b4282 GKH	169	static int qcprobe(struct usb_serial serial, const struct usb_device_id id)
a78b4282 GKH	170	{
e07896e6	171	struct usb_host_interface *intf = serial->interface->cur_altsetting;
9760b283	172	struct device *dev = &serial->dev->dev;
a78b4282 GKH	173	int retval = -ENODEV;
	174	__u8 nintf;
	175	__u8 ifnum;
2cf69930	176	int altsetting = -1;
a78b4282	177
a78b4282	178	nintf = serial->dev->actconfig->desc.bNumInterfaces;
9760b283	179	dev_dbg(dev, "Num Interfaces = %d\n", nintf);
e07896e6	180	ifnum = intf->desc.bInterfaceNumber;
9760b283	181	dev_dbg(dev, "This Interface = %d\n", ifnum);
a78b4282	182
0dfbf65e	183	if (nintf == 1) {
a78b4282	184	/* QDL mode */
e07896e6 AH	185	/* Gobi 2000 has a single altsetting, older ones have two */
e07896e6 AH	186	if (serial->interface->num_altsetting == 2)
a78b4282	187	intf = &serial->interface->altsetting[1];
e07896e6	188	else if (serial->interface->num_altsetting > 2)
0dfbf65e	189	goto done;
e07896e6 AH	190
	191	if (intf->desc.bNumEndpoints == 2 &&
	192	usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
	193	usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
9760b283	194	dev_dbg(dev, "QDL port found\n");
e07896e6	195
d25d5f28	196	if (serial->interface->num_altsetting == 1)
99ab3f9e	197	retval = 0; /* Success */
d25d5f28 BM	198	else
d25d5f28 BM	199	altsetting = 1;
a78b4282	200	}
0dfbf65e	201	goto done;
a78b4282	202
0dfbf65e BM	203	}
0dfbf65e BM	204
0dfbf65e BM	205	/* default to enabling interface */
0dfbf65e BM	206	altsetting = 0;
c192c8e7	207
ce1b0661 BM	208	/*
ce1b0661 BM	209	* Composite mode; don't bind to the QMI/net interface as that
731879f8 DW	210	* gets handled by other drivers.
	211	*/
	212
d712ca91 BM	213	switch (id->driver_info) {
d712ca91 BM	214	case QCSERIAL_G1K:
ce1b0661 BM	215	/*
ce1b0661 BM	216	* Gobi 1K USB layout:
3f8bc5e4	217	* 0: DM/DIAG (use libqcdm from ModemManager for communication)
c192c8e7 DW	218	* 1: serial port (doesn't respond)
	219	* 2: AT-capable modem port
	220	* 3: QMI/net
731879f8	221	*/
8bc7a069 BM	222	if (nintf < 3 \|\| nintf > 4) {
	223	dev_err(dev, "unknown number of interfaces: %d\n", nintf);
	224	altsetting = -1;
	225	goto done;
	226	}
	227
3f8bc5e4 DW	228	if (ifnum == 0) {
	229	dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n");
	230	altsetting = 1;
	231	} else if (ifnum == 2)
731879f8 DW	232	dev_dbg(dev, "Modem port found\n");
	233	else
	234	altsetting = -1;
d712ca91 BM	235	break;
d712ca91 BM	236	case QCSERIAL_G2K:
ce1b0661 BM	237	/*
ce1b0661 BM	238	* Gobi 2K+ USB layout:
c192c8e7 DW	239	* 0: QMI/net
	240	* 1: DM/DIAG (use libqcdm from ModemManager for communication)
	241	* 2: AT-capable modem port
	242	* 3: NMEA
	243	*/
8bc7a069 BM	244	if (nintf < 3 \|\| nintf > 4) {
	245	dev_err(dev, "unknown number of interfaces: %d\n", nintf);
	246	altsetting = -1;
	247	goto done;
	248	}
	249
731879f8 DW	250	switch (ifnum) {
	251	case 0:
	252	/* Don't claim the QMI/net interface */
0dfbf65e	253	altsetting = -1;
731879f8 DW	254	break;
731879f8 DW	255	case 1:
9760b283	256	dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n");
731879f8 DW	257	break;
	258	case 2:
	259	dev_dbg(dev, "Modem port found\n");
	260	break;
	261	case 3:
1992de83 ME	262	/*
	263	* NMEA (serial line 9600 8N1)
	264	* # echo "\$GPS_START" > /dev/ttyUSBx
	265	* # echo "\$GPS_STOP" > /dev/ttyUSBx
	266	*/
9760b283	267	dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n");
731879f8 DW	268	break;
731879f8 DW	269	}
d712ca91	270	break;
8bc7a069 BM	271	case QCSERIAL_SWI:
	272	/*
	273	* Sierra Wireless layout:
	274	* 0: DM/DIAG (use libqcdm from ModemManager for communication)
	275	* 2: NMEA
	276	* 3: AT-capable modem port
	277	* 8: QMI/net
	278	*/
	279	switch (ifnum) {
	280	case 0:
	281	dev_dbg(dev, "DM/DIAG interface found\n");
	282	break;
	283	case 2:
	284	dev_dbg(dev, "NMEA GPS interface found\n");
	285	break;
	286	case 3:
	287	dev_dbg(dev, "Modem port found\n");
	288	break;
	289	default:
	290	/* don't claim any unsupported interface */
	291	altsetting = -1;
	292	break;
	293	}
	294	break;
e7181d00 MH	295	case QCSERIAL_HWI:
	296	/*
	297	* Huawei layout:
	298	* 0: AT-capable modem port
	299	* 1: DM/DIAG
	300	* 2: AT-capable modem port
	301	* 3: CCID-compatible PCSC interface
	302	* 4: QMI/net
	303	* 5: NMEA
	304	*/
	305	switch (ifnum) {
	306	case 0:
	307	case 2:
	308	dev_dbg(dev, "Modem port found\n");
	309	break;
	310	case 1:
	311	dev_dbg(dev, "DM/DIAG interface found\n");
	312	break;
	313	case 5:
	314	dev_dbg(dev, "NMEA GPS interface found\n");
	315	break;
	316	default:
	317	/* don't claim any unsupported interface */
	318	altsetting = -1;
	319	break;
	320	}
	321	break;
d712ca91 BM	322	default:
	323	dev_err(dev, "unsupported device layout type: %lu\n",
	324	id->driver_info);
	325	break;
a78b4282 GKH	326	}
a78b4282 GKH	327
0dfbf65e	328	done:
2cf69930 BM	329	if (altsetting >= 0) {
	330	retval = usb_set_interface(serial->dev, ifnum, altsetting);
	331	if (retval < 0) {
	332	dev_err(dev,
	333	"Could not set interface, error %d\n",
	334	retval);
	335	retval = -ENODEV;
2cf69930 BM	336	}
	337	}
	338
a78b4282 GKH	339	return retval;
	340	}
	341
961be09e JH	342	static int qc_attach(struct usb_serial *serial)
	343	{
	344	struct usb_wwan_intf_private *data;
	345
	346	data = kzalloc(sizeof(*data), GFP_KERNEL);
	347	if (!data)
	348	return -ENOMEM;
	349
	350	spin_lock_init(&data->susp_lock);
	351
	352	usb_set_serial_data(serial, data);
	353
	354	return 0;
	355	}
	356
10c9ab15 SH	357	static void qc_release(struct usb_serial *serial)
	358	{
	359	struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
	360
10c9ab15 SH	361	usb_set_serial_data(serial, NULL);
	362	kfree(priv);
	363	}
	364
a78b4282 GKH	365	static struct usb_serial_driver qcdevice = {
	366	.driver = {
	367	.owner = THIS_MODULE,
	368	.name = "qcserial",
	369	},
	370	.description = "Qualcomm USB modem",
	371	.id_table = id_table,
a78b4282 GKH	372	.num_ports = 1,
a78b4282 GKH	373	.probe = qcprobe,
3d7e59ad MG	374	.open = usb_wwan_open,
	375	.close = usb_wwan_close,
	376	.write = usb_wwan_write,
	377	.write_room = usb_wwan_write_room,
	378	.chars_in_buffer = usb_wwan_chars_in_buffer,
961be09e	379	.attach = qc_attach,
10c9ab15	380	.release = qc_release,
b8f0e820	381	.port_probe = usb_wwan_port_probe,
a1028f0a	382	.port_remove = usb_wwan_port_remove,
3d7e59ad MG	383	#ifdef CONFIG_PM
	384	.suspend = usb_wwan_suspend,
	385	.resume = usb_wwan_resume,
	386	#endif
a78b4282 GKH	387	};
a78b4282 GKH	388
d860322f AS	389	static struct usb_serial_driver * const serial_drivers[] = {
	390	&qcdevice, NULL
	391	};
	392
68e24113	393	module_usb_serial_driver(serial_drivers, id_table);
a78b4282 GKH	394
	395	MODULE_AUTHOR(DRIVER_AUTHOR);
	396	MODULE_DESCRIPTION(DRIVER_DESC);
	397	MODULE_LICENSE("GPL v2");