1 // SPDX-License-Identifier: GPL-2.0
15   - data loss -- one single Receive URB is not nearly enough
16   - nonstandard flow (Option devices) control
17   - controlling the baud rate doesn't make sense
20   used for is a PC-Card (with an internal OHCI-USB interface, behind
41 #include "usb-wwan.h"
135  * auto-install CDROMs, and should not be added to this
246 /* These u-blox products use Qualcomm's vendor ID */
425 /* This is the 4G XS Stick W14 a.k.a. Mobilcom Debitel Surf-Stick *
493 /* YUGA products  www.yuga-info.com gavin.kx@qq.com */
585 /* TP-LINK Incorporated products */
619 /* TOZED LT70-C based on UNISOC SL8563 uses UNISOC's vendor ID */
622 /* Luat Air72*U series based on UNISOC UIS8910 uses UNISOC's vendor ID */
630 /* Interface does not support modem-control requests */
1099 …,		/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite EV620 CDMA/EV-DO…
1100 …PRODUCT_5500_MINICARD) },		/* Dell Wireless 5500 Mobile Broadband HSDPA Mini-Card == Novatel Exped…
1101 …PRODUCT_5505_MINICARD) },		/* Dell Wireless 5505 Mobile Broadband HSDPA Mini-Card == Novatel Exped…
1102 …	/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO ExpressCard == Novatel Merlin XV620 CDMA/EV-DO */
1104 … },	/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite E720 CDMA/EV-DO…
1105 …},	/* Dell Wireless 5700 Mobile Broadband CDMA/EVDO Mini-Card == Novatel Expedite ET620 CDMA/EV-DO…
1106 …VENDOR_ID, DELL_PRODUCT_5720_MINICARD_VZW) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
1107 …DOR_ID, DELL_PRODUCT_5720_MINICARD_SPRINT) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
1108 …NDOR_ID, DELL_PRODUCT_5720_MINICARD_TELUS) }, 	/* Dell Wireless 5720 == Novatel EV620 CDMA/EV-DO */
1112 …DELL_PRODUCT_5730_MINICARD_SPRINT) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
1113 … DELL_PRODUCT_5730_MINICARD_TELUS) },	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
1114 …, DELL_PRODUCT_5730_MINICARD_VZW) }, 	/* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
1128 	{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) },	/* ADU-E100, ADU-310 */
1153 …{ USB_DEVICE_AND_INTERFACE_INFO(QUALCOMM_VENDOR_ID, 0x6001, 0xff, 0xff, 0xff), /* 4G LTE usb-modem…
1166 	/* u-blox products using Qualcomm vendor ID */
1169 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x908b),	/* u-blox LARA-R6 00B */
1173 	/* u-blox products */
1174 	{ USB_DEVICE(UBLOX_VENDOR_ID, 0x1311) },	/* u-blox LARA-R6 01B */
1175 	{ USB_DEVICE(UBLOX_VENDOR_ID, 0x1312),		/* u-blox LARA-R6 01B (RMNET) */
1177 	{ USB_DEVICE_INTERFACE_CLASS(UBLOX_VENDOR_ID, 0x1313, 0xff) },	/* u-blox LARA-R6 01B (ECM) */
1178 	{ USB_DEVICE(UBLOX_VENDOR_ID, 0x1341) },	/* u-blox LARA-L6 */
1179 	{ USB_DEVICE(UBLOX_VENDOR_ID, 0x1342),		/* u-blox LARA-L6 (RMNET) */
1181 	{ USB_DEVICE(UBLOX_VENDOR_ID, 0x1343),		/* u-blox LARA-L6 (ECM) */
1196 	{ USB_DEVICE_INTERFACE_CLASS(QUECTEL_VENDOR_ID, 0x0203, 0xff), /* BG95-M3 */
1252 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, 0x0620, 0xff, 0xff, 0x30) },	/* EM160R-GL */
1264 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, 0x0900, 0xff, 0, 0), /* RM500U-CN */
1326 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1031, 0xff),	/* Telit LE910C1-EUX */
1328 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1033, 0xff),	/* Telit LE910C1-EUX (ECM) */
1330 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1034, 0xff),	/* Telit LE910C4-WWX (rmnet) */
1332 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1035, 0xff) }, /* Telit LE910C4-WWX (ECM) */
1333 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1036, 0xff) },  /* Telit LE910C4-WWX */
1334 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1037, 0xff),	/* Telit LE910C4-WWX (rmnet) */
1336 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1038, 0xff),	/* Telit LE910C4-WWX (rmnet) */
1338 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x103b, 0xff),	/* Telit LE910C4-WWX */
1340 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x103c, 0xff),	/* Telit LE910C4-WWX */
1360 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1054, 0xff),	/* Telit FT980-KS */
1506 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x7010, 0xff),	/* Telit LE910-S1 (RNDIS) */
1508 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x7011, 0xff),	/* Telit LE910-S1 (ECM) */
1514 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x9000, 0xff),	/* Telit generic core-dump device */
1683 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0412, 0xff, 0xff, 0xff), /* Telewell TW-LTE 4G */
1891 …{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff),  /* Telewell TW-LTE 4G v…
2133 …{ USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9206, 0xff) },	/* Simcom SIM7070/SIM7080/SIM7090 AT-only mo…
2242 	{ USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
2243 …, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
2293 	{ USB_DEVICE(LG_VENDOR_ID, LG_PRODUCT_L02C) }, /* docomo L-02C modem */
2324 …{ USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, TPLINK_PRODUCT_LTE, 0xff, 0x00, 0x00) },	/* TP-L…
2327 	{ USB_DEVICE(TPLINK_VENDOR_ID, 0x9000),					/* TP-Link MA260 */
2330 	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d01, 0xff) },			/* D-Link DWM-156 (variant) */
2333 	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d04, 0xff),			/* D-Link DWM-158 */
2335 	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d0e, 0xff) },			/* D-Link DWM-157 C1 */
2336 	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff),			/* D-Link DWM-221 B1 */
2338 	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff),			/* D-Link DWM-222 */
2340 	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e3d, 0xff),			/* D-Link DWM-222 A2 */
2342 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) },	/* D-Link DWM-152/C1 */
2343 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) },	/* D-Link DWM-156/C1 */
2344 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) },	/* D-Link DWM-156/A3 */
2355 	{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) },			/* OLICARD300 - MT6225 */
2362 …{ USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x10) },	/* HP lt4132 (Huawei ME906s-1…
2389 …{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x0001, 0xff, 0xff, 0xff) },	/* Fibocom L716-EU (ECM/RNDIS…
2404 …{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) },			/* Fibocom NL668-AM/NL652-EU (laptop MBIM)…
2405 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a2, 0xff) },			/* Fibocom FM101-GL (laptop MBIM) */
2406 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a3, 0xff) },			/* Fibocom FM101-GL (laptop MBIM) */
2407 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a4, 0xff),			/* Fibocom FM101-GL (laptop MBIM) */
2409 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a04, 0xff) },			/* Fibocom FM650-CN (ECM mode) */
2410 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a05, 0xff) },			/* Fibocom FM650-CN (NCM mode) */
2411 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a06, 0xff) },			/* Fibocom FM650-CN (RNDIS mode) */
2412 	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a07, 0xff) },			/* Fibocom FM650-CN (MBIM mode) */
2425 	{ USB_DEVICE(0x33f8, 0x0104),						/* Rolling RW101-GL (laptop RMNET) */
2427 	{ USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x01a2, 0xff) },			/* Rolling RW101-GL (laptop MBIM) */
2428 	{ USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x01a3, 0xff) },			/* Rolling RW101-GL (laptop MBIM) */
2429 	{ USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x01a4, 0xff),			/* Rolling RW101-GL (laptop MBIM) */
2431 	{ USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x0115, 0xff),			/* Rolling RW135-GL (laptop MBIM) */
2433 	{ USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x0802, 0xff),			/* Rolling RW350-GL (laptop MBIM) */
2435 …{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WWD for G…
2438 …{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0101, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WRD for G…
2441 …{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0106, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WRD for C…
2444 …{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0111, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WWD for S…
2447 …{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0112, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WWD for E…
2450 …{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0113, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WWD for N…
2453 …{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0115, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WWD for C…
2456 …{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WWD for G…
2459 …{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010a, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WRD for W…
2462 …{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010b, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WWD for W…
2465 …{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010c, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WRD for W…
2468 …{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010d, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WWD for W…
2484 	{ USB_DEVICE_INTERFACE_CLASS(0x2949, 0x8700, 0xff) },			/* Neoway N723-EA */
2497 	.description       = "GSM modem (1-port)",
2538 				&serial->interface->cur_altsetting->desc;  in option_probe()
2539 	unsigned long device_flags = id->driver_info;  in option_probe()
2541 	/* Never bind to the CD-Rom emulation interface	*/  in option_probe()
2542 	if (iface_desc->bInterfaceClass == USB_CLASS_MASS_STORAGE)  in option_probe()
2543 		return -ENODEV;  in option_probe()
2550 	if (iface_is_reserved(device_flags, iface_desc->bInterfaceNumber))  in option_probe()
2551 		return -ENODEV;  in option_probe()
2557 	if (device_flags & NUMEP2 && iface_desc->bNumEndpoints != 2)  in option_probe()
2558 		return -ENODEV;  in option_probe()
2582 		return -ENOMEM;  in option_attach()
2587 	iface_desc = &serial->interface->cur_altsetting->desc;  in option_attach()
2589 	if (!iface_no_modem_control(device_flags, iface_desc->bInterfaceNumber))  in option_attach()
2590 		data->use_send_setup = 1;  in option_attach()
2593 		data->use_zlp = 1;  in option_attach()
2595 	spin_lock_init(&data->susp_lock);  in option_attach()
2612 	int status = urb->status;  in option_instat_callback()
2613 	struct usb_serial_port *port = urb->context;  in option_instat_callback()
2614 	struct device *dev = &port->dev;  in option_instat_callback()
2621 		struct usb_ctrlrequest *req_pkt = urb->transfer_buffer;  in option_instat_callback()
2627 		if ((req_pkt->bRequestType == 0xA1) &&  in option_instat_callback()
2628 				(req_pkt->bRequest == 0x20)) {  in option_instat_callback()
2631 					urb->transfer_buffer +  in option_instat_callback()
2636 			old_dcd_state = portdata->dcd_state;  in option_instat_callback()
2637 			portdata->cts_state = 1;  in option_instat_callback()
2638 			portdata->dcd_state = ((signals & 0x01) ? 1 : 0);  in option_instat_callback()
2639 			portdata->dsr_state = ((signals & 0x02) ? 1 : 0);  in option_instat_callback()
2640 			portdata->ri_state = ((signals & 0x08) ? 1 : 0);  in option_instat_callback()
2642 			if (old_dcd_state && !portdata->dcd_state)  in option_instat_callback()
2643 				tty_port_tty_hangup(&port->port, true);  in option_instat_callback()
2646 				req_pkt->bRequestType, req_pkt->bRequest);  in option_instat_callback()
2648 	} else if (status == -ENOENT || status == -ESHUTDOWN) {  in option_instat_callback()
2654 	if (status != -ESHUTDOWN && status != -ENOENT) {  in option_instat_callback()
2655 		usb_mark_last_busy(port->serial->dev);  in option_instat_callback()