/* * Qualcomm Serial USB driver * * Copyright (c) 2008 QUALCOMM Incorporated. * Copyright (c) 2009 Greg Kroah-Hartman * 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 #include #include #include #include #include "usb-wwan.h" #define DRIVER_AUTHOR "Qualcomm Inc" #define DRIVER_DESC "Qualcomm USB Serial driver" static int debug; static const struct usb_device_id id_table[] = { {USB_DEVICE(0x05c6, 0x9211)}, /* Acer Gobi QDL device */ {USB_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ {USB_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ {USB_DEVICE(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */ {USB_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ {USB_DEVICE(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */ {USB_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ {USB_DEVICE(0x413c, 0x8171)}, /* Dell Gobi QDL device */ {USB_DEVICE(0x1410, 0xa001)}, /* Novatel Gobi Modem device */ {USB_DEVICE(0x1410, 0xa008)}, /* Novatel Gobi QDL device */ {USB_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ {USB_DEVICE(0x0b05, 0x1774)}, /* Asus Gobi QDL device */ {USB_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ {USB_DEVICE(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */ {USB_DEVICE(0x1557, 0x0a80)}, /* OQO Gobi QDL device */ {USB_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ {USB_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ {USB_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ {USB_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ {USB_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ {USB_DEVICE(0x05c6, 0x9008)}, /* Generic Gobi QDL device */ {USB_DEVICE(0x05c6, 0x9201)}, /* Generic Gobi QDL device */ {USB_DEVICE(0x05c6, 0x9221)}, /* Generic Gobi QDL device */ {USB_DEVICE(0x05c6, 0x9231)}, /* Generic Gobi QDL device */ {USB_DEVICE(0x1f45, 0x0001)}, /* Unknown Gobi 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(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 */ { } /* 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 = kzalloc(sizeof(struct usb_wwan_intf_private), GFP_KERNEL); if (!data) return -ENOMEM; spin_lock_init(&data->susp_lock); usb_enable_autosuspend(serial->dev); switch (nintf) { case 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) break; 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) { retval = 0; /* Success */ break; } 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); } } break; case 3: case 4: /* Composite mode */ /* ifnum == 0 is a broadband network adapter */ if (ifnum == 1) { /* * Diagnostics Monitor (serial line 9600 8N1) * Qualcomm DM protocol * use "libqcdm" (ModemManager) for communication */ dbg("Diagnostics Monitor found"); 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; } } else if (ifnum == 2) { dbg("Modem port found"); 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); } } else if (ifnum==3) { /* * NMEA (serial line 9600 8N1) * # echo "\$GPS_START" > /dev/ttyUSBx * # echo "\$GPS_STOP" > /dev/ttyUSBx */ dbg("NMEA GPS interface found"); 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; } } break; default: dev_err(&serial->dev->dev, "unknown number of interfaces: %d\n", nintf); kfree(data); retval = -ENODEV; } /* Set serial->private if not returning -ENODEV */ if (retval != -ENODEV) usb_set_serial_data(serial, data); return retval; } static void qc_release(struct usb_serial *serial) { struct usb_wwan_intf_private *priv = usb_get_serial_data(serial); dbg("%s", __func__); /* Call usb_wwan release & free the private data allocated in qcprobe */ usb_wwan_release(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, .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 = qc_release, #ifdef CONFIG_PM .suspend = usb_wwan_suspend, .resume = usb_wwan_resume, #endif }; static int __init qcinit(void) { int retval; 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");