[mirror_ubuntu-bionic-kernel.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(0x03f0, 0x4e1d)},	/* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
	{DEVICE_SWI(0x0f3d, 0x68a2)},	/* Sierra Wireless MC7700 */
	{DEVICE_SWI(0x114f, 0x68a2)},	/* Sierra Wireless MC7750 */
	{DEVICE_SWI(0x1199, 0x68a2)},	/* Sierra Wireless MC7710 */
	{DEVICE_SWI(0x1199, 0x68c0)},	/* Sierra Wireless MC7304/MC7354 */
	{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(0x1199, 0x9070)},	/* Sierra Wireless MC74xx/EM74xx */
	{DEVICE_SWI(0x1199, 0x9071)},	/* Sierra Wireless MC74xx/EM74xx */
	{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 */
	{DEVICE_SWI(0x413c, 0x81b1)},	/* Dell Wireless 5809e 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;
	bool sendsetup = false;

	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");
			sendsetup = true;
			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;
		}
	}

	if (!retval)
		usb_set_serial_data(serial, (void *)(unsigned long)sendsetup);

	return retval;
}

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

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

	sendsetup = !!(unsigned long)(usb_get_serial_data(serial));
	if (sendsetup)
		data->use_send_setup = 1;

	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,
	.dtr_rts	     = usb_wwan_dtr_rts,
	.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	141	/* non-Gobi Sierra Wireless devices */
44840dec	142	{DEVICE_SWI(0x03f0, 0x4e1d)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
8bc7a069 BM	143	{DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */
	144	{DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */
	145	{DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */
92944c45	146	{DEVICE_SWI(0x1199, 0x68c0)}, /* Sierra Wireless MC7304/MC7354 */
8bc7a069 BM	147	{DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */
8bc7a069 BM	148	{DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */
0ce5fb58	149	{DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */
3d07984b	150	{DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */
8bc7a069	151	{DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */
0ce5fb58 AM	152	{DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */
0ce5fb58 AM	153	{DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */
ff1fcd50	154	{DEVICE_SWI(0x1199, 0x9055)}, /* Netgear AirCard 341U */
0ce5fb58 AM	155	{DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */
	156	{DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */
	157	{DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */
f504ab18 BM	158	{DEVICE_SWI(0x1199, 0x9070)}, /* Sierra Wireless MC74xx/EM74xx */
f504ab18 BM	159	{DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx/EM74xx */
8bc7a069 BM	160	{DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
	161	{DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
	162	{DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
	163	{DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
	164	{DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
6da3700c	165	{DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */
1937131a	166
e7181d00 MH	167	/* Huawei devices */
	168	{DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
	169
a78b4282 GKH	170	{ } /* Terminating entry */
	171	};
	172	MODULE_DEVICE_TABLE(usb, id_table);
	173
a78b4282 GKH	174	static int qcprobe(struct usb_serial serial, const struct usb_device_id id)
a78b4282 GKH	175	{
e07896e6	176	struct usb_host_interface *intf = serial->interface->cur_altsetting;
9760b283	177	struct device *dev = &serial->dev->dev;
a78b4282 GKH	178	int retval = -ENODEV;
	179	__u8 nintf;
	180	__u8 ifnum;
2cf69930	181	int altsetting = -1;
efd3e915	182	bool sendsetup = false;
a78b4282	183
a78b4282	184	nintf = serial->dev->actconfig->desc.bNumInterfaces;
9760b283	185	dev_dbg(dev, "Num Interfaces = %d\n", nintf);
e07896e6	186	ifnum = intf->desc.bInterfaceNumber;
9760b283	187	dev_dbg(dev, "This Interface = %d\n", ifnum);
a78b4282	188
0dfbf65e	189	if (nintf == 1) {
a78b4282	190	/* QDL mode */
e07896e6 AH	191	/* Gobi 2000 has a single altsetting, older ones have two */
e07896e6 AH	192	if (serial->interface->num_altsetting == 2)
a78b4282	193	intf = &serial->interface->altsetting[1];
e07896e6	194	else if (serial->interface->num_altsetting > 2)
0dfbf65e	195	goto done;
e07896e6 AH	196
	197	if (intf->desc.bNumEndpoints == 2 &&
	198	usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
	199	usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
9760b283	200	dev_dbg(dev, "QDL port found\n");
e07896e6	201
d25d5f28	202	if (serial->interface->num_altsetting == 1)
99ab3f9e	203	retval = 0; /* Success */
d25d5f28 BM	204	else
d25d5f28 BM	205	altsetting = 1;
a78b4282	206	}
0dfbf65e	207	goto done;
a78b4282	208
0dfbf65e BM	209	}
0dfbf65e BM	210
0dfbf65e BM	211	/* default to enabling interface */
0dfbf65e BM	212	altsetting = 0;
c192c8e7	213
ce1b0661 BM	214	/*
ce1b0661 BM	215	* Composite mode; don't bind to the QMI/net interface as that
731879f8 DW	216	* gets handled by other drivers.
	217	*/
	218
d712ca91 BM	219	switch (id->driver_info) {
d712ca91 BM	220	case QCSERIAL_G1K:
ce1b0661 BM	221	/*
ce1b0661 BM	222	* Gobi 1K USB layout:
3f8bc5e4	223	* 0: DM/DIAG (use libqcdm from ModemManager for communication)
c192c8e7 DW	224	* 1: serial port (doesn't respond)
	225	* 2: AT-capable modem port
	226	* 3: QMI/net
731879f8	227	*/
8bc7a069 BM	228	if (nintf < 3 \|\| nintf > 4) {
	229	dev_err(dev, "unknown number of interfaces: %d\n", nintf);
	230	altsetting = -1;
	231	goto done;
	232	}
	233
3f8bc5e4 DW	234	if (ifnum == 0) {
	235	dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n");
	236	altsetting = 1;
	237	} else if (ifnum == 2)
731879f8 DW	238	dev_dbg(dev, "Modem port found\n");
	239	else
	240	altsetting = -1;
d712ca91 BM	241	break;
d712ca91 BM	242	case QCSERIAL_G2K:
ce1b0661 BM	243	/*
ce1b0661 BM	244	* Gobi 2K+ USB layout:
c192c8e7 DW	245	* 0: QMI/net
	246	* 1: DM/DIAG (use libqcdm from ModemManager for communication)
	247	* 2: AT-capable modem port
	248	* 3: NMEA
	249	*/
8bc7a069 BM	250	if (nintf < 3 \|\| nintf > 4) {
	251	dev_err(dev, "unknown number of interfaces: %d\n", nintf);
	252	altsetting = -1;
	253	goto done;
	254	}
	255
731879f8 DW	256	switch (ifnum) {
	257	case 0:
	258	/* Don't claim the QMI/net interface */
0dfbf65e	259	altsetting = -1;
731879f8 DW	260	break;
731879f8 DW	261	case 1:
9760b283	262	dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n");
731879f8 DW	263	break;
	264	case 2:
	265	dev_dbg(dev, "Modem port found\n");
	266	break;
	267	case 3:
1992de83 ME	268	/*
	269	* NMEA (serial line 9600 8N1)
	270	* # echo "\$GPS_START" > /dev/ttyUSBx
	271	* # echo "\$GPS_STOP" > /dev/ttyUSBx
	272	*/
9760b283	273	dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n");
731879f8 DW	274	break;
731879f8 DW	275	}
d712ca91	276	break;
8bc7a069 BM	277	case QCSERIAL_SWI:
	278	/*
	279	* Sierra Wireless layout:
	280	* 0: DM/DIAG (use libqcdm from ModemManager for communication)
	281	* 2: NMEA
	282	* 3: AT-capable modem port
	283	* 8: QMI/net
	284	*/
	285	switch (ifnum) {
	286	case 0:
	287	dev_dbg(dev, "DM/DIAG interface found\n");
	288	break;
	289	case 2:
	290	dev_dbg(dev, "NMEA GPS interface found\n");
	291	break;
	292	case 3:
	293	dev_dbg(dev, "Modem port found\n");
efd3e915	294	sendsetup = true;
8bc7a069 BM	295	break;
	296	default:
	297	/* don't claim any unsupported interface */
	298	altsetting = -1;
	299	break;
	300	}
	301	break;
e7181d00 MH	302	case QCSERIAL_HWI:
	303	/*
	304	* Huawei layout:
	305	* 0: AT-capable modem port
	306	* 1: DM/DIAG
	307	* 2: AT-capable modem port
	308	* 3: CCID-compatible PCSC interface
	309	* 4: QMI/net
	310	* 5: NMEA
	311	*/
	312	switch (ifnum) {
	313	case 0:
	314	case 2:
	315	dev_dbg(dev, "Modem port found\n");
	316	break;
	317	case 1:
	318	dev_dbg(dev, "DM/DIAG interface found\n");
	319	break;
	320	case 5:
	321	dev_dbg(dev, "NMEA GPS interface found\n");
	322	break;
	323	default:
	324	/* don't claim any unsupported interface */
	325	altsetting = -1;
	326	break;
	327	}
	328	break;
d712ca91 BM	329	default:
	330	dev_err(dev, "unsupported device layout type: %lu\n",
	331	id->driver_info);
	332	break;
a78b4282 GKH	333	}
a78b4282 GKH	334
0dfbf65e	335	done:
2cf69930 BM	336	if (altsetting >= 0) {
	337	retval = usb_set_interface(serial->dev, ifnum, altsetting);
	338	if (retval < 0) {
	339	dev_err(dev,
	340	"Could not set interface, error %d\n",
	341	retval);
	342	retval = -ENODEV;
2cf69930 BM	343	}
	344	}
	345
efd3e915 DW	346	if (!retval)
	347	usb_set_serial_data(serial, (void *)(unsigned long)sendsetup);
	348
a78b4282 GKH	349	return retval;
	350	}
	351
961be09e JH	352	static int qc_attach(struct usb_serial *serial)
	353	{
	354	struct usb_wwan_intf_private *data;
efd3e915	355	bool sendsetup;
961be09e JH	356
	357	data = kzalloc(sizeof(*data), GFP_KERNEL);
	358	if (!data)
	359	return -ENOMEM;
	360
efd3e915 DW	361	sendsetup = !!(unsigned long)(usb_get_serial_data(serial));
	362	if (sendsetup)
	363	data->use_send_setup = 1;
	364
961be09e JH	365	spin_lock_init(&data->susp_lock);
	366
	367	usb_set_serial_data(serial, data);
	368
	369	return 0;
	370	}
	371
10c9ab15 SH	372	static void qc_release(struct usb_serial *serial)
	373	{
	374	struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
	375
10c9ab15 SH	376	usb_set_serial_data(serial, NULL);
	377	kfree(priv);
	378	}
	379
a78b4282 GKH	380	static struct usb_serial_driver qcdevice = {
	381	.driver = {
	382	.owner = THIS_MODULE,
	383	.name = "qcserial",
	384	},
	385	.description = "Qualcomm USB modem",
	386	.id_table = id_table,
a78b4282 GKH	387	.num_ports = 1,
a78b4282 GKH	388	.probe = qcprobe,
3d7e59ad MG	389	.open = usb_wwan_open,
3d7e59ad MG	390	.close = usb_wwan_close,
efd3e915	391	.dtr_rts = usb_wwan_dtr_rts,
3d7e59ad MG	392	.write = usb_wwan_write,
	393	.write_room = usb_wwan_write_room,
	394	.chars_in_buffer = usb_wwan_chars_in_buffer,
961be09e	395	.attach = qc_attach,
10c9ab15	396	.release = qc_release,
b8f0e820	397	.port_probe = usb_wwan_port_probe,
a1028f0a	398	.port_remove = usb_wwan_port_remove,
3d7e59ad MG	399	#ifdef CONFIG_PM
	400	.suspend = usb_wwan_suspend,
	401	.resume = usb_wwan_resume,
	402	#endif
a78b4282 GKH	403	};
a78b4282 GKH	404
d860322f AS	405	static struct usb_serial_driver * const serial_drivers[] = {
	406	&qcdevice, NULL
	407	};
	408
68e24113	409	module_usb_serial_driver(serial_drivers, id_table);
a78b4282 GKH	410
	411	MODULE_AUTHOR(DRIVER_AUTHOR);
	412	MODULE_DESCRIPTION(DRIVER_DESC);
	413	MODULE_LICENSE("GPL v2");