| /* |
| * 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"); |