blob: 357e25927de9a7ecc3d875c362d1e72f7fa49686 [file] [log] [blame] [edit]
/*
* 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/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"
static int debug;
static bool export_non_qmi = true;
#define USB_DEVICE_DRVINFO(vid,pid,data) \
USB_DEVICE(vid,pid), .driver_info = data
enum {
GOBI2K = 0,
GOBI3K = 1,
};
static const struct usb_device_id id_table[] = {
{USB_DEVICE_DRVINFO(0x05c6, 0x9211, GOBI2K)}, /* Acer Gobi QDL device */
{USB_DEVICE_DRVINFO(0x05c6, 0x9212, GOBI2K)}, /* Acer Gobi Modem Device */
{USB_DEVICE_DRVINFO(0x03f0, 0x1f1d, GOBI2K)}, /* HP un2400 Gobi Modem Device */
{USB_DEVICE_DRVINFO(0x03f0, 0x201d, GOBI2K)}, /* HP un2400 Gobi QDL Device */
{USB_DEVICE_DRVINFO(0x04da, 0x250d, GOBI2K)}, /* Panasonic Gobi Modem device */
{USB_DEVICE_DRVINFO(0x04da, 0x250c, GOBI2K)}, /* Panasonic Gobi QDL device */
{USB_DEVICE_DRVINFO(0x413c, 0x8172, GOBI2K)}, /* Dell Gobi Modem device */
{USB_DEVICE_DRVINFO(0x413c, 0x8171, GOBI2K)}, /* Dell Gobi QDL device */
{USB_DEVICE_DRVINFO(0x1410, 0xa001, GOBI2K)}, /* Novatel Gobi Modem device */
{USB_DEVICE_DRVINFO(0x1410, 0xa008, GOBI2K)}, /* Novatel Gobi QDL device */
{USB_DEVICE_DRVINFO(0x1410, 0xa010, GOBI2K)}, /* Novatel Gobi QDL device */
{USB_DEVICE_DRVINFO(0x1410, 0xa011, GOBI2K)}, /* Novatel Gobi QDL device */
{USB_DEVICE_DRVINFO(0x1410, 0xa012, GOBI2K)}, /* Novatel Gobi QDL device */
{USB_DEVICE_DRVINFO(0x1410, 0xa013, GOBI2K)}, /* Novatel Gobi QDL device */
{USB_DEVICE_DRVINFO(0x1410, 0xa014, GOBI2K)}, /* Novatel Gobi QDL device */
{USB_DEVICE_DRVINFO(0x0b05, 0x1776, GOBI2K)}, /* Asus Gobi Modem device */
{USB_DEVICE_DRVINFO(0x0b05, 0x1774, GOBI2K)}, /* Asus Gobi QDL device */
{USB_DEVICE_DRVINFO(0x19d2, 0xfff3, GOBI2K)}, /* ONDA Gobi Modem device */
{USB_DEVICE_DRVINFO(0x19d2, 0xfff2, GOBI2K)}, /* ONDA Gobi QDL device */
{USB_DEVICE_DRVINFO(0x1557, 0x0a80, GOBI2K)}, /* OQO Gobi QDL device */
{USB_DEVICE_DRVINFO(0x05c6, 0x9001, GOBI2K)}, /* Generic Gobi Modem device */
{USB_DEVICE_DRVINFO(0x05c6, 0x9002, GOBI2K)}, /* Generic Gobi Modem device */
{USB_DEVICE_DRVINFO(0x05c6, 0x9202, GOBI2K)}, /* Generic Gobi Modem device */
{USB_DEVICE_DRVINFO(0x05c6, 0x9203, GOBI2K)}, /* Generic Gobi Modem device */
{USB_DEVICE_DRVINFO(0x05c6, 0x9222, GOBI2K)}, /* Generic Gobi Modem device */
{USB_DEVICE_DRVINFO(0x05c6, 0x9008, GOBI2K)}, /* Generic Gobi QDL device */
{USB_DEVICE_DRVINFO(0x05c6, 0x9201, GOBI2K)}, /* Generic Gobi QDL device */
{USB_DEVICE_DRVINFO(0x05c6, 0x9221, GOBI2K)}, /* Generic Gobi QDL device */
{USB_DEVICE_DRVINFO(0x05c6, 0x9231, GOBI2K)}, /* Generic Gobi QDL device */
{USB_DEVICE_DRVINFO(0x1f45, 0x0001, GOBI2K)}, /* Unknown Gobi QDL device */
{USB_DEVICE_DRVINFO(0x413c, 0x8185, GOBI2K)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */
{USB_DEVICE_DRVINFO(0x413c, 0x8186, GOBI2K)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9224, GOBI2K)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9225, GOBI2K)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9244, GOBI2K)}, /* Samsung Gobi 2000 QDL device (VL176) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9245, GOBI2K)}, /* Samsung Gobi 2000 Modem device (VL176) */
{USB_DEVICE_DRVINFO(0x03f0, 0x241d, GOBI2K)}, /* HP Gobi 2000 QDL device (VP412) */
{USB_DEVICE_DRVINFO(0x03f0, 0x251d, GOBI2K)}, /* HP Gobi 2000 Modem device (VP412) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9214, GOBI2K)}, /* Acer Gobi 2000 QDL device (VP413) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9215, GOBI2K)}, /* Acer Gobi 2000 Modem device (VP413) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9264, GOBI2K)}, /* Asus Gobi 2000 QDL device (VR305) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9265, GOBI2K)}, /* Asus Gobi 2000 Modem device (VR305) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9234, GOBI2K)}, /* Top Global Gobi 2000 QDL device (VR306) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9235, GOBI2K)}, /* Top Global Gobi 2000 Modem device (VR306) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9274, GOBI2K)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9275, GOBI2K)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
{USB_DEVICE_DRVINFO(0x1199, 0x9000, GOBI2K)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */
{USB_DEVICE_DRVINFO(0x1199, 0x9001, GOBI2K)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE_DRVINFO(0x1199, 0x9002, GOBI2K)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE_DRVINFO(0x1199, 0x9003, GOBI2K)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE_DRVINFO(0x1199, 0x9004, GOBI2K)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE_DRVINFO(0x1199, 0x9005, GOBI2K)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE_DRVINFO(0x1199, 0x9006, GOBI2K)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE_DRVINFO(0x1199, 0x9007, GOBI2K)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE_DRVINFO(0x1199, 0x9008, GOBI2K)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE_DRVINFO(0x1199, 0x9009, GOBI2K)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE_DRVINFO(0x1199, 0x900a, GOBI2K)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
{USB_DEVICE_DRVINFO(0x16d8, 0x8001, GOBI2K)}, /* CMDTech Gobi 2000 QDL device (VU922) */
{USB_DEVICE_DRVINFO(0x16d8, 0x8002, GOBI2K)}, /* CMDTech Gobi 2000 Modem device (VU922) */
{USB_DEVICE_DRVINFO(0x05c6, 0x9204, GOBI2K)}, /* Gobi 2000 QDL device */
{USB_DEVICE_DRVINFO(0x05c6, 0x9205, GOBI2K)}, /* Gobi 2000 Modem device */
{USB_DEVICE_DRVINFO(0x05c6, 0x9208, GOBI2K)}, /* Gobi 2000 QDL device */
{USB_DEVICE_DRVINFO(0x05c6, 0x920B, GOBI2K)}, /* Gobi 2000 Modem device */
{USB_DEVICE_DRVINFO(0x05c6, 0x920c, GOBI3K)}, /* Gobi 3000 QDL */
{USB_DEVICE_DRVINFO(0x05c6, 0x920d, GOBI3K)}, /* Gobi 3000 Composite */
{USB_DEVICE_DRVINFO(0x1410, 0xa020, GOBI3K)}, /* Novatel Gobi 3000 QDL */
{USB_DEVICE_DRVINFO(0x1410, 0xa021, GOBI3K)}, /* Novatel Gobi 3000 Composite */
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, id_table);
static struct usb_driver qcdriver = {
.name = "qcserial",
.probe = usb_serial_probe,
.disconnect = usb_serial_disconnect,
.id_table = id_table,
.suspend = usb_serial_suspend,
.resume = usb_serial_resume,
.supports_autosuspend = true,
};
static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
{
struct usb_wwan_intf_private *data;
struct usb_host_interface *intf = serial->interface->cur_altsetting;
int retval = -ENODEV;
__u8 nintf;
__u8 ifnum;
dbg("%s", __func__);
nintf = serial->dev->actconfig->desc.bNumInterfaces;
dbg("Num Interfaces = %d", nintf);
ifnum = intf->desc.bInterfaceNumber;
dbg("This Interface = %d", ifnum);
data = serial->private = kzalloc(sizeof(struct usb_wwan_intf_private),
GFP_KERNEL);
if (!data)
return -ENOMEM;
spin_lock_init(&data->susp_lock);
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) {
printk(KERN_INFO "too many altsettings: %u", serial->interface->num_altsetting);
return -ENODEV;
}
if (intf->desc.bNumEndpoints == 2 &&
usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
dbg("QDL port found");
if (serial->interface->num_altsetting == 1)
return 0;
retval = usb_set_interface(serial->dev, ifnum, 1);
if (retval < 0) {
dev_err(&serial->dev->dev,
"Could not set interface, error %d\n",
retval);
retval = -ENODEV;
kfree(data);
}
return retval;
}
} else {
/* Composite mode */
if ( ifnum == 2
|| (id->driver_info == GOBI3K && ifnum == 3)
|| (export_non_qmi && ifnum != 0)) {
dbg("Exporting interface %d", ifnum);
retval = usb_set_interface(serial->dev, ifnum, 0);
if (retval < 0) {
dev_err(&serial->dev->dev,
"Could not set interface, error %d\n",
retval);
retval = -ENODEV;
kfree(data);
}
return retval;
}
else {
dev_err(&serial->dev->dev,
"unknown number of interfaces: %d\n", nintf);
kfree(data);
return -ENODEV;
}
}
return retval;
}
static struct usb_serial_driver qcdevice = {
.driver = {
.owner = THIS_MODULE,
.name = "qcserial",
},
.description = "Qualcomm USB modem",
.id_table = id_table,
.usb_driver = &qcdriver,
.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 = usb_wwan_startup,
.disconnect = usb_wwan_disconnect,
.release = usb_wwan_release,
#ifdef CONFIG_PM
.suspend = usb_wwan_suspend,
.resume = usb_wwan_resume,
#endif
};
static int __init qcinit(void)
{
int retval;
printk(KERN_INFO "qcserial: loaded");
retval = usb_serial_register(&qcdevice);
if (retval)
return retval;
retval = usb_register(&qcdriver);
if (retval) {
usb_serial_deregister(&qcdevice);
return retval;
}
return 0;
}
static void __exit qcexit(void)
{
usb_deregister(&qcdriver);
usb_serial_deregister(&qcdevice);
}
module_init(qcinit);
module_exit(qcexit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL v2");
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug enabled or not");
module_param(export_non_qmi, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(export_non_qmi, "Export all non-QMI interfaces");