| /* |
| * 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" |
| |
| 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(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ |
| {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, 0x9009)}, /* Generic Gobi Modem 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(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 */ |
| {USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ |
| { } /* 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; |
| kfree(data); |
| } |
| } 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; |
| kfree(data); |
| } |
| } |
| 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"); |
