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v3.1
 
  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>
 
 16#include <linux/usb.h>
 17#include <linux/usb/serial.h>
 18#include <linux/slab.h>
 19#include "usb-wwan.h"
 20
 21#define DRIVER_AUTHOR "Qualcomm Inc"
 22#define DRIVER_DESC "Qualcomm USB Serial driver"
 23
 24static int debug;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 25
 26static const struct usb_device_id id_table[] = {
 27	{USB_DEVICE(0x05c6, 0x9211)},	/* Acer Gobi QDL device */
 28	{USB_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
 29	{USB_DEVICE(0x03f0, 0x1f1d)},	/* HP un2400 Gobi Modem Device */
 30	{USB_DEVICE(0x03f0, 0x201d)},	/* HP un2400 Gobi QDL Device */
 31	{USB_DEVICE(0x04da, 0x250d)},	/* Panasonic Gobi Modem device */
 32	{USB_DEVICE(0x04da, 0x250c)},	/* Panasonic Gobi QDL device */
 33	{USB_DEVICE(0x413c, 0x8172)},	/* Dell Gobi Modem device */
 34	{USB_DEVICE(0x413c, 0x8171)},	/* Dell Gobi QDL device */
 35	{USB_DEVICE(0x1410, 0xa001)},	/* Novatel Gobi Modem device */
 36	{USB_DEVICE(0x1410, 0xa008)},	/* Novatel Gobi QDL device */
 37	{USB_DEVICE(0x0b05, 0x1776)},	/* Asus Gobi Modem device */
 38	{USB_DEVICE(0x0b05, 0x1774)},	/* Asus Gobi QDL device */
 39	{USB_DEVICE(0x19d2, 0xfff3)},	/* ONDA Gobi Modem device */
 40	{USB_DEVICE(0x19d2, 0xfff2)},	/* ONDA Gobi QDL device */
 41	{USB_DEVICE(0x1557, 0x0a80)},	/* OQO Gobi QDL device */
 42	{USB_DEVICE(0x05c6, 0x9001)},   /* Generic Gobi Modem device */
 43	{USB_DEVICE(0x05c6, 0x9002)},	/* Generic Gobi Modem device */
 44	{USB_DEVICE(0x05c6, 0x9202)},	/* Generic Gobi Modem device */
 45	{USB_DEVICE(0x05c6, 0x9203)},	/* Generic Gobi Modem device */
 46	{USB_DEVICE(0x05c6, 0x9222)},	/* Generic Gobi Modem device */
 47	{USB_DEVICE(0x05c6, 0x9008)},	/* Generic Gobi QDL device */
 48	{USB_DEVICE(0x05c6, 0x9009)},	/* Generic Gobi Modem device */
 49	{USB_DEVICE(0x05c6, 0x9201)},	/* Generic Gobi QDL device */
 50	{USB_DEVICE(0x05c6, 0x9221)},	/* Generic Gobi QDL device */
 51	{USB_DEVICE(0x05c6, 0x9231)},	/* Generic Gobi QDL device */
 52	{USB_DEVICE(0x1f45, 0x0001)},	/* Unknown Gobi QDL device */
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 53	{USB_DEVICE(0x413c, 0x8185)},	/* Dell Gobi 2000 QDL device (N0218, VU936) */
 54	{USB_DEVICE(0x413c, 0x8186)},	/* Dell Gobi 2000 Modem device (N0218, VU936) */
 55	{USB_DEVICE(0x05c6, 0x9208)},	/* Generic Gobi 2000 QDL device */
 56	{USB_DEVICE(0x05c6, 0x920b)},	/* Generic Gobi 2000 Modem device */
 57	{USB_DEVICE(0x05c6, 0x9224)},	/* Sony Gobi 2000 QDL device (N0279, VU730) */
 58	{USB_DEVICE(0x05c6, 0x9225)},	/* Sony Gobi 2000 Modem device (N0279, VU730) */
 59	{USB_DEVICE(0x05c6, 0x9244)},	/* Samsung Gobi 2000 QDL device (VL176) */
 60	{USB_DEVICE(0x05c6, 0x9245)},	/* Samsung Gobi 2000 Modem device (VL176) */
 61	{USB_DEVICE(0x03f0, 0x241d)},	/* HP Gobi 2000 QDL device (VP412) */
 62	{USB_DEVICE(0x03f0, 0x251d)},	/* HP Gobi 2000 Modem device (VP412) */
 63	{USB_DEVICE(0x05c6, 0x9214)},	/* Acer Gobi 2000 QDL device (VP413) */
 64	{USB_DEVICE(0x05c6, 0x9215)},	/* Acer Gobi 2000 Modem device (VP413) */
 65	{USB_DEVICE(0x05c6, 0x9264)},	/* Asus Gobi 2000 QDL device (VR305) */
 66	{USB_DEVICE(0x05c6, 0x9265)},	/* Asus Gobi 2000 Modem device (VR305) */
 67	{USB_DEVICE(0x05c6, 0x9234)},	/* Top Global Gobi 2000 QDL device (VR306) */
 68	{USB_DEVICE(0x05c6, 0x9235)},	/* Top Global Gobi 2000 Modem device (VR306) */
 69	{USB_DEVICE(0x05c6, 0x9274)},	/* iRex Technologies Gobi 2000 QDL device (VR307) */
 70	{USB_DEVICE(0x05c6, 0x9275)},	/* iRex Technologies Gobi 2000 Modem device (VR307) */
 71	{USB_DEVICE(0x1199, 0x9000)},	/* Sierra Wireless Gobi 2000 QDL device (VT773) */
 72	{USB_DEVICE(0x1199, 0x9001)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 73	{USB_DEVICE(0x1199, 0x9002)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 74	{USB_DEVICE(0x1199, 0x9003)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 75	{USB_DEVICE(0x1199, 0x9004)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 76	{USB_DEVICE(0x1199, 0x9005)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 77	{USB_DEVICE(0x1199, 0x9006)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 78	{USB_DEVICE(0x1199, 0x9007)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 79	{USB_DEVICE(0x1199, 0x9008)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 80	{USB_DEVICE(0x1199, 0x9009)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 81	{USB_DEVICE(0x1199, 0x900a)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
 82	{USB_DEVICE(0x1199, 0x9011)},   /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
 83	{USB_DEVICE(0x16d8, 0x8001)},	/* CMDTech Gobi 2000 QDL device (VU922) */
 84	{USB_DEVICE(0x16d8, 0x8002)},	/* CMDTech Gobi 2000 Modem device (VU922) */
 85	{USB_DEVICE(0x05c6, 0x9204)},	/* Gobi 2000 QDL device */
 86	{USB_DEVICE(0x05c6, 0x9205)},	/* Gobi 2000 Modem device */
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 87	{ }				/* Terminating entry */
 88};
 89MODULE_DEVICE_TABLE(usb, id_table);
 90
 91static struct usb_driver qcdriver = {
 92	.name			= "qcserial",
 93	.probe			= usb_serial_probe,
 94	.disconnect		= usb_serial_disconnect,
 95	.id_table		= id_table,
 96	.suspend		= usb_serial_suspend,
 97	.resume			= usb_serial_resume,
 98	.supports_autosuspend	= true,
 99};
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
100
101static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
102{
103	struct usb_wwan_intf_private *data;
104	struct usb_host_interface *intf = serial->interface->cur_altsetting;
 
105	int retval = -ENODEV;
106	__u8 nintf;
107	__u8 ifnum;
 
 
108
109	dbg("%s", __func__);
 
 
110
111	nintf = serial->dev->actconfig->desc.bNumInterfaces;
112	dbg("Num Interfaces = %d", nintf);
113	ifnum = intf->desc.bInterfaceNumber;
114	dbg("This Interface = %d", ifnum);
115
116	data = kzalloc(sizeof(struct usb_wwan_intf_private),
117					 GFP_KERNEL);
118	if (!data)
119		return -ENOMEM;
120
121	spin_lock_init(&data->susp_lock);
122
123	usb_enable_autosuspend(serial->dev);
124
125	switch (nintf) {
126	case 1:
127		/* QDL mode */
128		/* Gobi 2000 has a single altsetting, older ones have two */
129		if (serial->interface->num_altsetting == 2)
130			intf = &serial->interface->altsetting[1];
131		else if (serial->interface->num_altsetting > 2)
132			break;
133
134		if (intf->desc.bNumEndpoints == 2 &&
135		    usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
136		    usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
137			dbg("QDL port found");
138
139			if (serial->interface->num_altsetting == 1) {
140				retval = 0; /* Success */
141				break;
142			}
 
 
 
 
143
144			retval = usb_set_interface(serial->dev, ifnum, 1);
145			if (retval < 0) {
146				dev_err(&serial->dev->dev,
147					"Could not set interface, error %d\n",
148					retval);
149				retval = -ENODEV;
150				kfree(data);
151			}
 
 
 
 
 
 
 
 
 
 
 
 
 
152		}
 
 
 
 
 
 
 
 
153		break;
 
 
 
 
 
 
154
155	case 3:
156	case 4:
157		/* Composite mode */
158		/* ifnum == 0 is a broadband network adapter */
159		if (ifnum == 1) {
160			/*
161			 * Diagnostics Monitor (serial line 9600 8N1)
162			 * Qualcomm DM protocol
163			 * use "libqcdm" (ModemManager) for communication
164			 */
165			dbg("Diagnostics Monitor found");
166			retval = usb_set_interface(serial->dev, ifnum, 0);
167			if (retval < 0) {
168				dev_err(&serial->dev->dev,
169					"Could not set interface, error %d\n",
170					retval);
171				retval = -ENODEV;
172				kfree(data);
173			}
174		} else if (ifnum == 2) {
175			dbg("Modem port found");
176			retval = usb_set_interface(serial->dev, ifnum, 0);
177			if (retval < 0) {
178				dev_err(&serial->dev->dev,
179					"Could not set interface, error %d\n",
180					retval);
181				retval = -ENODEV;
182				kfree(data);
183			}
184		} else if (ifnum==3) {
185			/*
186			 * NMEA (serial line 9600 8N1)
187			 * # echo "\$GPS_START" > /dev/ttyUSBx
188			 * # echo "\$GPS_STOP"  > /dev/ttyUSBx
189			 */
190			dbg("NMEA GPS interface found");
191			retval = usb_set_interface(serial->dev, ifnum, 0);
192			if (retval < 0) {
193				dev_err(&serial->dev->dev,
194					"Could not set interface, error %d\n",
195					retval);
196				retval = -ENODEV;
197				kfree(data);
198			}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
199		}
200		break;
201
202	default:
203		dev_err(&serial->dev->dev,
204			"unknown number of interfaces: %d\n", nintf);
205		kfree(data);
206		retval = -ENODEV;
 
 
 
 
 
 
 
 
 
 
207	}
208
209	/* Set serial->private if not returning -ENODEV */
210	if (retval != -ENODEV)
211		usb_set_serial_data(serial, data);
212	return retval;
213}
214
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
215static void qc_release(struct usb_serial *serial)
216{
217	struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
218
219	dbg("%s", __func__);
220
221	/* Call usb_wwan release & free the private data allocated in qcprobe */
222	usb_wwan_release(serial);
223	usb_set_serial_data(serial, NULL);
224	kfree(priv);
225}
226
227static struct usb_serial_driver qcdevice = {
228	.driver = {
229		.owner     = THIS_MODULE,
230		.name      = "qcserial",
231	},
232	.description         = "Qualcomm USB modem",
233	.id_table            = id_table,
234	.usb_driver          = &qcdriver,
235	.num_ports           = 1,
236	.probe               = qcprobe,
237	.open		     = usb_wwan_open,
238	.close		     = usb_wwan_close,
 
239	.write		     = usb_wwan_write,
240	.write_room	     = usb_wwan_write_room,
241	.chars_in_buffer     = usb_wwan_chars_in_buffer,
242	.attach		     = usb_wwan_startup,
243	.disconnect	     = usb_wwan_disconnect,
 
244	.release	     = qc_release,
 
 
245#ifdef CONFIG_PM
246	.suspend	     = usb_wwan_suspend,
247	.resume		     = usb_wwan_resume,
248#endif
249};
250
251static int __init qcinit(void)
252{
253	int retval;
254
255	retval = usb_serial_register(&qcdevice);
256	if (retval)
257		return retval;
258
259	retval = usb_register(&qcdriver);
260	if (retval) {
261		usb_serial_deregister(&qcdevice);
262		return retval;
263	}
264
265	return 0;
266}
267
268static void __exit qcexit(void)
269{
270	usb_deregister(&qcdriver);
271	usb_serial_deregister(&qcdevice);
272}
273
274module_init(qcinit);
275module_exit(qcexit);
276
277MODULE_AUTHOR(DRIVER_AUTHOR);
278MODULE_DESCRIPTION(DRIVER_DESC);
279MODULE_LICENSE("GPL v2");
280
281module_param(debug, bool, S_IRUGO | S_IWUSR);
282MODULE_PARM_DESC(debug, "Debug enabled or not");
v5.9
  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Qualcomm Serial USB driver
  4 *
  5 *	Copyright (c) 2008 QUALCOMM Incorporated.
  6 *	Copyright (c) 2009 Greg Kroah-Hartman <gregkh@suse.de>
  7 *	Copyright (c) 2009 Novell Inc.
 
 
 
 
 
  8 */
  9
 10#include <linux/tty.h>
 11#include <linux/tty_flip.h>
 12#include <linux/module.h>
 13#include <linux/usb.h>
 14#include <linux/usb/serial.h>
 15#include <linux/slab.h>
 16#include "usb-wwan.h"
 17
 18#define DRIVER_AUTHOR "Qualcomm Inc"
 19#define DRIVER_DESC "Qualcomm USB Serial driver"
 20
 21#define QUECTEL_EC20_PID	0x9215
 22
 23/* standard device layouts supported by this driver */
 24enum qcserial_layouts {
 25	QCSERIAL_G2K = 0,	/* Gobi 2000 */
 26	QCSERIAL_G1K = 1,	/* Gobi 1000 */
 27	QCSERIAL_SWI = 2,	/* Sierra Wireless */
 28	QCSERIAL_HWI = 3,	/* Huawei */
 29};
 30
 31#define DEVICE_G1K(v, p) \
 32	USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K
 33#define DEVICE_SWI(v, p) \
 34	USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI
 35#define DEVICE_HWI(v, p) \
 36	USB_DEVICE(v, p), .driver_info = QCSERIAL_HWI
 37
 38static const struct usb_device_id id_table[] = {
 39	/* Gobi 1000 devices */
 40	{DEVICE_G1K(0x05c6, 0x9211)},	/* Acer Gobi QDL device */
 41	{DEVICE_G1K(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
 42	{DEVICE_G1K(0x03f0, 0x1f1d)},	/* HP un2400 Gobi Modem Device */
 43	{DEVICE_G1K(0x03f0, 0x201d)},	/* HP un2400 Gobi QDL Device */
 44	{DEVICE_G1K(0x04da, 0x250d)},	/* Panasonic Gobi Modem device */
 45	{DEVICE_G1K(0x04da, 0x250c)},	/* Panasonic Gobi QDL device */
 46	{DEVICE_G1K(0x413c, 0x8172)},	/* Dell Gobi Modem device */
 47	{DEVICE_G1K(0x413c, 0x8171)},	/* Dell Gobi QDL device */
 48	{DEVICE_G1K(0x1410, 0xa001)},	/* Novatel/Verizon USB-1000 */
 49	{DEVICE_G1K(0x1410, 0xa002)},	/* Novatel Gobi Modem device */
 50	{DEVICE_G1K(0x1410, 0xa003)},	/* Novatel Gobi Modem device */
 51	{DEVICE_G1K(0x1410, 0xa004)},	/* Novatel Gobi Modem device */
 52	{DEVICE_G1K(0x1410, 0xa005)},	/* Novatel Gobi Modem device */
 53	{DEVICE_G1K(0x1410, 0xa006)},	/* Novatel Gobi Modem device */
 54	{DEVICE_G1K(0x1410, 0xa007)},	/* Novatel Gobi Modem device */
 55	{DEVICE_G1K(0x1410, 0xa008)},	/* Novatel Gobi QDL device */
 56	{DEVICE_G1K(0x0b05, 0x1776)},	/* Asus Gobi Modem device */
 57	{DEVICE_G1K(0x0b05, 0x1774)},	/* Asus Gobi QDL device */
 58	{DEVICE_G1K(0x19d2, 0xfff3)},	/* ONDA Gobi Modem device */
 59	{DEVICE_G1K(0x19d2, 0xfff2)},	/* ONDA Gobi QDL device */
 60	{DEVICE_G1K(0x1557, 0x0a80)},	/* OQO Gobi QDL device */
 61	{DEVICE_G1K(0x05c6, 0x9001)},   /* Generic Gobi Modem device */
 62	{DEVICE_G1K(0x05c6, 0x9002)},	/* Generic Gobi Modem device */
 63	{DEVICE_G1K(0x05c6, 0x9202)},	/* Generic Gobi Modem device */
 64	{DEVICE_G1K(0x05c6, 0x9203)},	/* Generic Gobi Modem device */
 65	{DEVICE_G1K(0x05c6, 0x9222)},	/* Generic Gobi Modem device */
 66	{DEVICE_G1K(0x05c6, 0x9008)},	/* Generic Gobi QDL device */
 67	{DEVICE_G1K(0x05c6, 0x9009)},	/* Generic Gobi Modem device */
 68	{DEVICE_G1K(0x05c6, 0x9201)},	/* Generic Gobi QDL device */
 69	{DEVICE_G1K(0x05c6, 0x9221)},	/* Generic Gobi QDL device */
 70	{DEVICE_G1K(0x05c6, 0x9231)},	/* Generic Gobi QDL device */
 71	{DEVICE_G1K(0x1f45, 0x0001)},	/* Unknown Gobi QDL device */
 72	{DEVICE_G1K(0x1bc7, 0x900e)},	/* Telit Gobi QDL device */
 73
 74	/* Gobi 2000 devices */
 75	{USB_DEVICE(0x1410, 0xa010)},	/* Novatel Gobi 2000 QDL device */
 76	{USB_DEVICE(0x1410, 0xa011)},	/* Novatel Gobi 2000 QDL device */
 77	{USB_DEVICE(0x1410, 0xa012)},	/* Novatel Gobi 2000 QDL device */
 78	{USB_DEVICE(0x1410, 0xa013)},	/* Novatel Gobi 2000 QDL device */
 79	{USB_DEVICE(0x1410, 0xa014)},	/* Novatel Gobi 2000 QDL device */
 80	{USB_DEVICE(0x413c, 0x8185)},	/* Dell Gobi 2000 QDL device (N0218, VU936) */
 81	{USB_DEVICE(0x413c, 0x8186)},	/* Dell Gobi 2000 Modem device (N0218, VU936) */
 82	{USB_DEVICE(0x05c6, 0x9208)},	/* Generic Gobi 2000 QDL device */
 83	{USB_DEVICE(0x05c6, 0x920b)},	/* Generic Gobi 2000 Modem device */
 84	{USB_DEVICE(0x05c6, 0x9224)},	/* Sony Gobi 2000 QDL device (N0279, VU730) */
 85	{USB_DEVICE(0x05c6, 0x9225)},	/* Sony Gobi 2000 Modem device (N0279, VU730) */
 86	{USB_DEVICE(0x05c6, 0x9244)},	/* Samsung Gobi 2000 QDL device (VL176) */
 87	{USB_DEVICE(0x05c6, 0x9245)},	/* Samsung Gobi 2000 Modem device (VL176) */
 88	{USB_DEVICE(0x03f0, 0x241d)},	/* HP Gobi 2000 QDL device (VP412) */
 89	{USB_DEVICE(0x03f0, 0x251d)},	/* HP Gobi 2000 Modem device (VP412) */
 90	{USB_DEVICE(0x05c6, 0x9214)},	/* Acer Gobi 2000 QDL device (VP413) */
 91	{USB_DEVICE(0x05c6, 0x9215)},	/* Acer Gobi 2000 Modem device (VP413) */
 92	{USB_DEVICE(0x05c6, 0x9264)},	/* Asus Gobi 2000 QDL device (VR305) */
 93	{USB_DEVICE(0x05c6, 0x9265)},	/* Asus Gobi 2000 Modem device (VR305) */
 94	{USB_DEVICE(0x05c6, 0x9234)},	/* Top Global Gobi 2000 QDL device (VR306) */
 95	{USB_DEVICE(0x05c6, 0x9235)},	/* Top Global Gobi 2000 Modem device (VR306) */
 96	{USB_DEVICE(0x05c6, 0x9274)},	/* iRex Technologies Gobi 2000 QDL device (VR307) */
 97	{USB_DEVICE(0x05c6, 0x9275)},	/* iRex Technologies Gobi 2000 Modem device (VR307) */
 98	{USB_DEVICE(0x1199, 0x9000)},	/* Sierra Wireless Gobi 2000 QDL device (VT773) */
 99	{USB_DEVICE(0x1199, 0x9001)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
100	{USB_DEVICE(0x1199, 0x9002)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
101	{USB_DEVICE(0x1199, 0x9003)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
102	{USB_DEVICE(0x1199, 0x9004)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
103	{USB_DEVICE(0x1199, 0x9005)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
104	{USB_DEVICE(0x1199, 0x9006)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
105	{USB_DEVICE(0x1199, 0x9007)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
106	{USB_DEVICE(0x1199, 0x9008)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
107	{USB_DEVICE(0x1199, 0x9009)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
108	{USB_DEVICE(0x1199, 0x900a)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
109	{USB_DEVICE(0x1199, 0x9011)},   /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
110	{USB_DEVICE(0x16d8, 0x8001)},	/* CMDTech Gobi 2000 QDL device (VU922) */
111	{USB_DEVICE(0x16d8, 0x8002)},	/* CMDTech Gobi 2000 Modem device (VU922) */
112	{USB_DEVICE(0x05c6, 0x9204)},	/* Gobi 2000 QDL device */
113	{USB_DEVICE(0x05c6, 0x9205)},	/* Gobi 2000 Modem device */
114
115	/* Gobi 3000 devices */
116	{USB_DEVICE(0x03f0, 0x371d)},	/* HP un2430 Gobi 3000 QDL */
117	{USB_DEVICE(0x05c6, 0x920c)},	/* Gobi 3000 QDL */
118	{USB_DEVICE(0x05c6, 0x920d)},	/* Gobi 3000 Composite */
119	{USB_DEVICE(0x1410, 0xa020)},   /* Novatel Gobi 3000 QDL */
120	{USB_DEVICE(0x1410, 0xa021)},	/* Novatel Gobi 3000 Composite */
121	{USB_DEVICE(0x413c, 0x8193)},	/* Dell Gobi 3000 QDL */
122	{USB_DEVICE(0x413c, 0x8194)},	/* Dell Gobi 3000 Composite */
123	{USB_DEVICE(0x413c, 0x81a6)},	/* Dell DW5570 QDL (MC8805) */
124	{USB_DEVICE(0x1199, 0x68a4)},	/* Sierra Wireless QDL */
125	{USB_DEVICE(0x1199, 0x68a5)},	/* Sierra Wireless Modem */
126	{USB_DEVICE(0x1199, 0x68a8)},	/* Sierra Wireless QDL */
127	{USB_DEVICE(0x1199, 0x68a9)},	/* Sierra Wireless Modem */
128	{USB_DEVICE(0x1199, 0x9010)},	/* Sierra Wireless Gobi 3000 QDL */
129	{USB_DEVICE(0x1199, 0x9012)},	/* Sierra Wireless Gobi 3000 QDL */
130	{USB_DEVICE(0x1199, 0x9013)},	/* Sierra Wireless Gobi 3000 Modem device (MC8355) */
131	{USB_DEVICE(0x1199, 0x9014)},	/* Sierra Wireless Gobi 3000 QDL */
132	{USB_DEVICE(0x1199, 0x9015)},	/* Sierra Wireless Gobi 3000 Modem device */
133	{USB_DEVICE(0x1199, 0x9018)},	/* Sierra Wireless Gobi 3000 QDL */
134	{USB_DEVICE(0x1199, 0x9019)},	/* Sierra Wireless Gobi 3000 Modem device */
135	{USB_DEVICE(0x1199, 0x901b)},	/* Sierra Wireless MC7770 */
136	{USB_DEVICE(0x12D1, 0x14F0)},	/* Sony Gobi 3000 QDL */
137	{USB_DEVICE(0x12D1, 0x14F1)},	/* Sony Gobi 3000 Composite */
138	{USB_DEVICE(0x0AF0, 0x8120)},	/* Option GTM681W */
139
140	/* non-Gobi Sierra Wireless devices */
141	{DEVICE_SWI(0x03f0, 0x4e1d)},	/* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
142	{DEVICE_SWI(0x0f3d, 0x68a2)},	/* Sierra Wireless MC7700 */
143	{DEVICE_SWI(0x114f, 0x68a2)},	/* Sierra Wireless MC7750 */
144	{DEVICE_SWI(0x1199, 0x68a2)},	/* Sierra Wireless MC7710 */
145	{DEVICE_SWI(0x1199, 0x68c0)},	/* Sierra Wireless MC7304/MC7354 */
146	{DEVICE_SWI(0x1199, 0x901c)},	/* Sierra Wireless EM7700 */
147	{DEVICE_SWI(0x1199, 0x901e)},	/* Sierra Wireless EM7355 QDL */
148	{DEVICE_SWI(0x1199, 0x901f)},	/* Sierra Wireless EM7355 */
149	{DEVICE_SWI(0x1199, 0x9040)},	/* Sierra Wireless Modem */
150	{DEVICE_SWI(0x1199, 0x9041)},	/* Sierra Wireless MC7305/MC7355 */
151	{DEVICE_SWI(0x1199, 0x9051)},	/* Netgear AirCard 340U */
152	{DEVICE_SWI(0x1199, 0x9053)},	/* Sierra Wireless Modem */
153	{DEVICE_SWI(0x1199, 0x9054)},	/* Sierra Wireless Modem */
154	{DEVICE_SWI(0x1199, 0x9055)},	/* Netgear AirCard 341U */
155	{DEVICE_SWI(0x1199, 0x9056)},	/* Sierra Wireless Modem */
156	{DEVICE_SWI(0x1199, 0x9060)},	/* Sierra Wireless Modem */
157	{DEVICE_SWI(0x1199, 0x9061)},	/* Sierra Wireless Modem */
158	{DEVICE_SWI(0x1199, 0x9062)},	/* Sierra Wireless EM7305 QDL */
159	{DEVICE_SWI(0x1199, 0x9063)},	/* Sierra Wireless EM7305 */
160	{DEVICE_SWI(0x1199, 0x9070)},	/* Sierra Wireless MC74xx */
161	{DEVICE_SWI(0x1199, 0x9071)},	/* Sierra Wireless MC74xx */
162	{DEVICE_SWI(0x1199, 0x9078)},	/* Sierra Wireless EM74xx */
163	{DEVICE_SWI(0x1199, 0x9079)},	/* Sierra Wireless EM74xx */
164	{DEVICE_SWI(0x1199, 0x907a)},	/* Sierra Wireless EM74xx QDL */
165	{DEVICE_SWI(0x1199, 0x907b)},	/* Sierra Wireless EM74xx */
166	{DEVICE_SWI(0x1199, 0x9090)},	/* Sierra Wireless EM7565 QDL */
167	{DEVICE_SWI(0x1199, 0x9091)},	/* Sierra Wireless EM7565 */
168	{DEVICE_SWI(0x413c, 0x81a2)},	/* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
169	{DEVICE_SWI(0x413c, 0x81a3)},	/* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
170	{DEVICE_SWI(0x413c, 0x81a4)},	/* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
171	{DEVICE_SWI(0x413c, 0x81a8)},	/* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
172	{DEVICE_SWI(0x413c, 0x81a9)},	/* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
173	{DEVICE_SWI(0x413c, 0x81b1)},	/* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */
174	{DEVICE_SWI(0x413c, 0x81b3)},	/* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
175	{DEVICE_SWI(0x413c, 0x81b5)},	/* Dell Wireless 5811e QDL */
176	{DEVICE_SWI(0x413c, 0x81b6)},	/* Dell Wireless 5811e QDL */
177	{DEVICE_SWI(0x413c, 0x81cb)},	/* Dell Wireless 5816e QDL */
178	{DEVICE_SWI(0x413c, 0x81cc)},	/* Dell Wireless 5816e */
179	{DEVICE_SWI(0x413c, 0x81cf)},   /* Dell Wireless 5819 */
180	{DEVICE_SWI(0x413c, 0x81d0)},   /* Dell Wireless 5819 */
181	{DEVICE_SWI(0x413c, 0x81d1)},   /* Dell Wireless 5818 */
182	{DEVICE_SWI(0x413c, 0x81d2)},   /* Dell Wireless 5818 */
183
184	/* Huawei devices */
185	{DEVICE_HWI(0x03f0, 0x581d)},	/* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
186
187	{ }				/* Terminating entry */
188};
189MODULE_DEVICE_TABLE(usb, id_table);
190
191static int handle_quectel_ec20(struct device *dev, int ifnum)
192{
193	int altsetting = 0;
194
195	/*
196	 * Quectel EC20 Mini PCIe LTE module layout:
197	 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
198	 * 1: NMEA
199	 * 2: AT-capable modem port
200	 * 3: Modem interface
201	 * 4: NDIS
202	 */
203	switch (ifnum) {
204	case 0:
205		dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n");
206		break;
207	case 1:
208		dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n");
209		break;
210	case 2:
211	case 3:
212		dev_dbg(dev, "Quectel EC20 Modem port found\n");
213		break;
214	case 4:
215		/* Don't claim the QMI/net interface */
216		altsetting = -1;
217		break;
218	}
219
220	return altsetting;
221}
222
223static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
224{
 
225	struct usb_host_interface *intf = serial->interface->cur_altsetting;
226	struct device *dev = &serial->dev->dev;
227	int retval = -ENODEV;
228	__u8 nintf;
229	__u8 ifnum;
230	int altsetting = -1;
231	bool sendsetup = false;
232
233	/* we only support vendor specific functions */
234	if (intf->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC)
235		goto done;
236
237	nintf = serial->dev->actconfig->desc.bNumInterfaces;
238	dev_dbg(dev, "Num Interfaces = %d\n", nintf);
239	ifnum = intf->desc.bInterfaceNumber;
240	dev_dbg(dev, "This Interface = %d\n", ifnum);
241
242	if (nintf == 1) {
 
 
 
 
 
 
 
 
 
 
243		/* QDL mode */
244		/* Gobi 2000 has a single altsetting, older ones have two */
245		if (serial->interface->num_altsetting == 2)
246			intf = &serial->interface->altsetting[1];
247		else if (serial->interface->num_altsetting > 2)
248			goto done;
249
250		if (intf->desc.bNumEndpoints == 2 &&
251		    usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
252		    usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
253			dev_dbg(dev, "QDL port found\n");
254
255			if (serial->interface->num_altsetting == 1)
256				retval = 0; /* Success */
257			else
258				altsetting = 1;
259		}
260		goto done;
261
262	}
263
264	/* default to enabling interface */
265	altsetting = 0;
266
267	/*
268	 * Composite mode; don't bind to the QMI/net interface as that
269	 * gets handled by other drivers.
270	 */
271
272	switch (id->driver_info) {
273	case QCSERIAL_G1K:
274		/*
275		 * Gobi 1K USB layout:
276		 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
277		 * 1: serial port (doesn't respond)
278		 * 2: AT-capable modem port
279		 * 3: QMI/net
280		 */
281		if (nintf < 3 || nintf > 4) {
282			dev_err(dev, "unknown number of interfaces: %d\n", nintf);
283			altsetting = -1;
284			goto done;
285		}
286
287		if (ifnum == 0) {
288			dev_dbg(dev, "Gobi 1K DM/DIAG interface found\n");
289			altsetting = 1;
290		} else if (ifnum == 2)
291			dev_dbg(dev, "Modem port found\n");
292		else
293			altsetting = -1;
294		break;
295	case QCSERIAL_G2K:
296		/* handle non-standard layouts */
297		if (nintf == 5 && id->idProduct == QUECTEL_EC20_PID) {
298			altsetting = handle_quectel_ec20(dev, ifnum);
299			goto done;
300		}
301
302		/*
303		 * Gobi 2K+ USB layout:
304		 * 0: QMI/net
305		 * 1: DM/DIAG (use libqcdm from ModemManager for communication)
306		 * 2: AT-capable modem port
307		 * 3: NMEA
308		 */
309		if (nintf < 3 || nintf > 4) {
310			dev_err(dev, "unknown number of interfaces: %d\n", nintf);
311			altsetting = -1;
312			goto done;
313		}
314
315		switch (ifnum) {
316		case 0:
317			/* Don't claim the QMI/net interface */
318			altsetting = -1;
319			break;
320		case 1:
321			dev_dbg(dev, "Gobi 2K+ DM/DIAG interface found\n");
322			break;
323		case 2:
324			dev_dbg(dev, "Modem port found\n");
325			break;
326		case 3:
 
 
 
 
 
327			/*
328			 * NMEA (serial line 9600 8N1)
329			 * # echo "\$GPS_START" > /dev/ttyUSBx
330			 * # echo "\$GPS_STOP"  > /dev/ttyUSBx
331			 */
332			dev_dbg(dev, "Gobi 2K+ NMEA GPS interface found\n");
333			break;
334		}
335		break;
336	case QCSERIAL_SWI:
337		/*
338		 * Sierra Wireless layout:
339		 * 0: DM/DIAG (use libqcdm from ModemManager for communication)
340		 * 2: NMEA
341		 * 3: AT-capable modem port
342		 * 8: QMI/net
343		 */
344		switch (ifnum) {
345		case 0:
346			dev_dbg(dev, "DM/DIAG interface found\n");
347			break;
348		case 2:
349			dev_dbg(dev, "NMEA GPS interface found\n");
350			sendsetup = true;
351			break;
352		case 3:
353			dev_dbg(dev, "Modem port found\n");
354			sendsetup = true;
355			break;
356		default:
357			/* don't claim any unsupported interface */
358			altsetting = -1;
359			break;
360		}
361		break;
362	case QCSERIAL_HWI:
363		/*
364		 * Huawei devices map functions by subclass + protocol
365		 * instead of interface numbers. The protocol identify
366		 * a specific function, while the subclass indicate a
367		 * specific firmware source
368		 *
369		 * This is a list of functions known to be non-serial.  The rest
370		 * are assumed to be serial and will be handled by this driver
371		 */
372		switch (intf->desc.bInterfaceProtocol) {
373			/* QMI combined (qmi_wwan) */
374		case 0x07:
375		case 0x37:
376		case 0x67:
377			/* QMI data (qmi_wwan) */
378		case 0x08:
379		case 0x38:
380		case 0x68:
381			/* QMI control (qmi_wwan) */
382		case 0x09:
383		case 0x39:
384		case 0x69:
385			/* NCM like (huawei_cdc_ncm) */
386		case 0x16:
387		case 0x46:
388		case 0x76:
389			altsetting = -1;
390			break;
391		default:
392			dev_dbg(dev, "Huawei type serial port found (%02x/%02x/%02x)\n",
393				intf->desc.bInterfaceClass,
394				intf->desc.bInterfaceSubClass,
395				intf->desc.bInterfaceProtocol);
396		}
397		break;
 
398	default:
399		dev_err(dev, "unsupported device layout type: %lu\n",
400			id->driver_info);
401		break;
402	}
403
404done:
405	if (altsetting >= 0) {
406		retval = usb_set_interface(serial->dev, ifnum, altsetting);
407		if (retval < 0) {
408			dev_err(dev,
409				"Could not set interface, error %d\n",
410				retval);
411			retval = -ENODEV;
412		}
413	}
414
415	if (!retval)
416		usb_set_serial_data(serial, (void *)(unsigned long)sendsetup);
417
418	return retval;
419}
420
421static int qc_attach(struct usb_serial *serial)
422{
423	struct usb_wwan_intf_private *data;
424	bool sendsetup;
425
426	data = kzalloc(sizeof(*data), GFP_KERNEL);
427	if (!data)
428		return -ENOMEM;
429
430	sendsetup = !!(unsigned long)(usb_get_serial_data(serial));
431	if (sendsetup)
432		data->use_send_setup = 1;
433
434	spin_lock_init(&data->susp_lock);
435
436	usb_set_serial_data(serial, data);
437
438	return 0;
439}
440
441static void qc_release(struct usb_serial *serial)
442{
443	struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
444
 
 
 
 
445	usb_set_serial_data(serial, NULL);
446	kfree(priv);
447}
448
449static struct usb_serial_driver qcdevice = {
450	.driver = {
451		.owner     = THIS_MODULE,
452		.name      = "qcserial",
453	},
454	.description         = "Qualcomm USB modem",
455	.id_table            = id_table,
 
456	.num_ports           = 1,
457	.probe               = qcprobe,
458	.open		     = usb_wwan_open,
459	.close		     = usb_wwan_close,
460	.dtr_rts	     = usb_wwan_dtr_rts,
461	.write		     = usb_wwan_write,
462	.write_room	     = usb_wwan_write_room,
463	.chars_in_buffer     = usb_wwan_chars_in_buffer,
464	.tiocmget            = usb_wwan_tiocmget,
465	.tiocmset            = usb_wwan_tiocmset,
466	.attach              = qc_attach,
467	.release	     = qc_release,
468	.port_probe          = usb_wwan_port_probe,
469	.port_remove	     = usb_wwan_port_remove,
470#ifdef CONFIG_PM
471	.suspend	     = usb_wwan_suspend,
472	.resume		     = usb_wwan_resume,
473#endif
474};
475
476static struct usb_serial_driver * const serial_drivers[] = {
477	&qcdevice, NULL
478};
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
479
480module_usb_serial_driver(serial_drivers, id_table);
 
481
482MODULE_AUTHOR(DRIVER_AUTHOR);
483MODULE_DESCRIPTION(DRIVER_DESC);
484MODULE_LICENSE("GPL v2");