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|
/*
* 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"
#define QUECTEL_EC20_PID 0x9215
/* 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(0x413c, 0x81a6)}, /* Dell DW5570 QDL (MC8805) */
{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 */
{DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx */
{DEVICE_SWI(0x1199, 0x9078)}, /* Sierra Wireless EM74xx */
{DEVICE_SWI(0x1199, 0x9079)}, /* Sierra Wireless EM74xx */
{DEVICE_SWI(0x1199, 0x907a)}, /* Sierra Wireless EM74xx QDL */
{DEVICE_SWI(0x1199, 0x907b)}, /* Sierra Wireless 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 */
{DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
{DEVICE_SWI(0x413c, 0x81b5)}, /* Dell Wireless 5811e QDL */
{DEVICE_SWI(0x413c, 0x81b6)}, /* Dell Wireless 5811e QDL */
/* 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 handle_quectel_ec20(struct device *dev, int ifnum)
{
int altsetting = 0;
/*
* Quectel EC20 Mini PCIe LTE module layout:
* 0: DM/DIAG (use libqcdm from ModemManager for communication)
* 1: NMEA
* 2: AT-capable modem port
* 3: Modem interface
* 4: NDIS
*/
switch (ifnum) {
case 0:
dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n");
break;
case 1:
dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n");
break;
case 2:
case 3:
dev_dbg(dev, "Quectel EC20 Modem port found\n");
break;
case 4:
/* Don't claim the QMI/net interface */
altsetting = -1;
break;
}
return altsetting;
}
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;
/* we only support vendor specific functions */
if (intf->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC)
goto done;
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:
/* handle non-standard layouts */
if (nintf == 5 && id->idProduct == QUECTEL_EC20_PID) {
altsetting = handle_quectel_ec20(dev, ifnum);
goto done;
}
/*
* 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 devices map functions by subclass + protocol
* instead of interface numbers. The protocol identify
* a specific function, while the subclass indicate a
* specific firmware source
*
* This is a blacklist of functions known to be
* non-serial. The rest are assumed to be serial and
* will be handled by this driver
*/
switch (intf->desc.bInterfaceProtocol) {
/* QMI combined (qmi_wwan) */
case 0x07:
case 0x37:
case 0x67:
/* QMI data (qmi_wwan) */
case 0x08:
case 0x38:
case 0x68:
/* QMI control (qmi_wwan) */
case 0x09:
case 0x39:
case 0x69:
/* NCM like (huawei_cdc_ncm) */
case 0x16:
case 0x46:
case 0x76:
altsetting = -1;
break;
default:
dev_dbg(dev, "Huawei type serial port found (%02x/%02x/%02x)\n",
intf->desc.bInterfaceClass,
intf->desc.bInterfaceSubClass,
intf->desc.bInterfaceProtocol);
}
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,
.tiocmget = usb_wwan_tiocmget,
.tiocmset = usb_wwan_tiocmset,
.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");
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