310 lines
11 KiB
C
310 lines
11 KiB
C
/*
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* Qualcomm Serial USB driver
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*
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* Copyright (c) 2008, 2012 The Linux Foundation. All rights reserved.
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* Copyright (c) 2009 Greg Kroah-Hartman <gregkh@suse.de>
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* Copyright (c) 2009 Novell Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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*/
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#include <linux/tty.h>
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#include <linux/tty_flip.h>
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#include <linux/module.h>
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#include <linux/usb.h>
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#include <linux/usb/serial.h>
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#include <linux/slab.h>
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#include "usb-wwan.h"
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#define DRIVER_AUTHOR "Qualcomm Inc"
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#define DRIVER_DESC "Qualcomm USB Serial driver"
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static bool debug;
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#define DEVICE_G1K(v, p) \
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USB_DEVICE(v, p), .driver_info = 1
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static const struct usb_device_id id_table[] = {
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/* Gobi 1000 devices */
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{DEVICE_G1K(0x05c6, 0x9211)}, /* Acer Gobi QDL device */
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{DEVICE_G1K(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
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{DEVICE_G1K(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */
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{DEVICE_G1K(0x03f0, 0x201d)}, /* HP un2400 Gobi QDL Device */
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{DEVICE_G1K(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */
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{DEVICE_G1K(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */
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{DEVICE_G1K(0x413c, 0x8172)}, /* Dell Gobi Modem device */
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{DEVICE_G1K(0x413c, 0x8171)}, /* Dell Gobi QDL device */
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{DEVICE_G1K(0x1410, 0xa001)}, /* Novatel Gobi Modem device */
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{DEVICE_G1K(0x1410, 0xa008)}, /* Novatel Gobi QDL device */
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{DEVICE_G1K(0x0b05, 0x1776)}, /* Asus Gobi Modem device */
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{DEVICE_G1K(0x0b05, 0x1774)}, /* Asus Gobi QDL device */
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{DEVICE_G1K(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */
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{DEVICE_G1K(0x19d2, 0xfff2)}, /* ONDA Gobi QDL device */
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{DEVICE_G1K(0x1557, 0x0a80)}, /* OQO Gobi QDL device */
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{DEVICE_G1K(0x05c6, 0x9001)}, /* Generic Gobi Modem device */
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{DEVICE_G1K(0x05c6, 0x9002)}, /* Generic Gobi Modem device */
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{DEVICE_G1K(0x05c6, 0x9202)}, /* Generic Gobi Modem device */
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{DEVICE_G1K(0x05c6, 0x9203)}, /* Generic Gobi Modem device */
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{DEVICE_G1K(0x05c6, 0x9222)}, /* Generic Gobi Modem device */
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{DEVICE_G1K(0x05c6, 0x9008)}, /* Generic Gobi QDL device */
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{DEVICE_G1K(0x05c6, 0x9009)}, /* Generic Gobi Modem device */
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{DEVICE_G1K(0x05c6, 0x9201)}, /* Generic Gobi QDL device */
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{DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */
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{DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */
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{DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */
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/* Gobi 2000 devices */
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{USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */
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{USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi 2000 QDL device */
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{USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi 2000 QDL device */
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{USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi 2000 QDL device */
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{USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi 2000 QDL device */
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{USB_DEVICE(0x413c, 0x8185)}, /* Dell Gobi 2000 QDL device (N0218, VU936) */
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{USB_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */
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{USB_DEVICE(0x05c6, 0x9208)}, /* Generic Gobi 2000 QDL device */
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{USB_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */
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{USB_DEVICE(0x05c6, 0x9224)}, /* Sony Gobi 2000 QDL device (N0279, VU730) */
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{USB_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */
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{USB_DEVICE(0x05c6, 0x9244)}, /* Samsung Gobi 2000 QDL device (VL176) */
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{USB_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
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{USB_DEVICE(0x03f0, 0x241d)}, /* HP Gobi 2000 QDL device (VP412) */
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{USB_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
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{USB_DEVICE(0x05c6, 0x9214)}, /* Acer Gobi 2000 QDL device (VP413) */
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{USB_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
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{USB_DEVICE(0x05c6, 0x9264)}, /* Asus Gobi 2000 QDL device (VR305) */
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{USB_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
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{USB_DEVICE(0x05c6, 0x9234)}, /* Top Global Gobi 2000 QDL device (VR306) */
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{USB_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
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{USB_DEVICE(0x05c6, 0x9274)}, /* iRex Technologies Gobi 2000 QDL device (VR307) */
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{USB_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
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{USB_DEVICE(0x1199, 0x9000)}, /* Sierra Wireless Gobi 2000 QDL device (VT773) */
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{USB_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
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{USB_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
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{USB_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
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{USB_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
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{USB_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
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{USB_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
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{USB_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
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{USB_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
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{USB_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
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{USB_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
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{USB_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
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{USB_DEVICE(0x16d8, 0x8001)}, /* CMDTech Gobi 2000 QDL device (VU922) */
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{USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */
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{USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */
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{USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */
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/* Gobi 3000 devices */
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{USB_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Gobi 3000 QDL */
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{USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */
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{USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */
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{USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */
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{USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */
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{USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */
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{USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */
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{USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
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{USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */
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{USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
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{USB_DEVICE(0x05c6, 0x9048)}, /* MDM9x15 device */
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{USB_DEVICE(0x05c6, 0x904C)}, /* MDM9x15 device */
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{ } /* Terminating entry */
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};
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MODULE_DEVICE_TABLE(usb, id_table);
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#define EFS_SYNC_IFC_NUM 2
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static struct usb_driver qcdriver = {
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.name = "qcserial",
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.probe = usb_serial_probe,
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.disconnect = usb_serial_disconnect,
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.id_table = id_table,
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.suspend = usb_serial_suspend,
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.resume = usb_serial_resume,
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.supports_autosuspend = true,
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};
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static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
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{
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struct usb_wwan_intf_private *data;
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struct usb_host_interface *intf = serial->interface->cur_altsetting;
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int retval = -ENODEV;
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__u8 nintf;
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__u8 ifnum;
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bool is_gobi1k = id->driver_info ? true : false;
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dbg("%s", __func__);
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dbg("Is Gobi 1000 = %d", is_gobi1k);
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nintf = serial->dev->actconfig->desc.bNumInterfaces;
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dbg("Num Interfaces = %d", nintf);
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ifnum = intf->desc.bInterfaceNumber;
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dbg("This Interface = %d", ifnum);
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data = kzalloc(sizeof(struct usb_wwan_intf_private),
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GFP_KERNEL);
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if (!data)
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return -ENOMEM;
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spin_lock_init(&data->susp_lock);
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switch (nintf) {
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case 1:
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/* QDL mode */
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/* Gobi 2000 has a single altsetting, older ones have two */
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if (serial->interface->num_altsetting == 2)
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intf = &serial->interface->altsetting[1];
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else if (serial->interface->num_altsetting > 2)
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break;
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if (intf->desc.bNumEndpoints == 2 &&
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usb_endpoint_is_bulk_in(&intf->endpoint[0].desc) &&
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usb_endpoint_is_bulk_out(&intf->endpoint[1].desc)) {
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dbg("QDL port found");
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if (serial->interface->num_altsetting == 1) {
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retval = 0; /* Success */
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break;
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}
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retval = usb_set_interface(serial->dev, ifnum, 1);
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if (retval < 0) {
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dev_err(&serial->dev->dev,
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"Could not set interface, error %d\n",
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retval);
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retval = -ENODEV;
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kfree(data);
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}
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}
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break;
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case 3:
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case 4:
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/* Composite mode; don't bind to the QMI/net interface as that
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* gets handled by other drivers.
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*/
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/* Gobi 1K USB layout:
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* 0: serial port (doesn't respond)
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* 1: serial port (doesn't respond)
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* 2: AT-capable modem port
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* 3: QMI/net
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*
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* Gobi 2K+ USB layout:
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* 0: QMI/net
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* 1: DM/DIAG (use libqcdm from ModemManager for communication)
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* 2: AT-capable modem port
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* 3: NMEA
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*/
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if (ifnum == 1 && !is_gobi1k) {
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dbg("Gobi 2K+ DM/DIAG interface found");
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retval = usb_set_interface(serial->dev, ifnum, 0);
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if (retval < 0) {
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dev_err(&serial->dev->dev,
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"Could not set interface, error %d\n",
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retval);
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retval = -ENODEV;
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kfree(data);
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}
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} else if (ifnum == 2) {
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dbg("Modem port found");
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retval = usb_set_interface(serial->dev, ifnum, 0);
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if (retval < 0) {
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dev_err(&serial->dev->dev,
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"Could not set interface, error %d\n",
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retval);
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retval = -ENODEV;
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kfree(data);
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}
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} else if (ifnum==3 && !is_gobi1k) {
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/*
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* NMEA (serial line 9600 8N1)
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* # echo "\$GPS_START" > /dev/ttyUSBx
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* # echo "\$GPS_STOP" > /dev/ttyUSBx
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*/
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dbg("Gobi 2K+ NMEA GPS interface found");
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retval = usb_set_interface(serial->dev, ifnum, 0);
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if (retval < 0) {
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dev_err(&serial->dev->dev,
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"Could not set interface, error %d\n",
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retval);
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retval = -ENODEV;
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kfree(data);
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}
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}
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break;
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case 9:
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if (ifnum != EFS_SYNC_IFC_NUM) {
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kfree(data);
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break;
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}
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retval = 0;
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break;
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default:
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dev_err(&serial->dev->dev,
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"unknown number of interfaces: %d\n", nintf);
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kfree(data);
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retval = -ENODEV;
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}
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/* Set serial->private if not returning -ENODEV */
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if (retval != -ENODEV)
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usb_set_serial_data(serial, data);
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return retval;
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}
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static void qc_release(struct usb_serial *serial)
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{
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struct usb_wwan_intf_private *priv = usb_get_serial_data(serial);
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dbg("%s", __func__);
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/* Call usb_wwan release & free the private data allocated in qcprobe */
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usb_wwan_release(serial);
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usb_set_serial_data(serial, NULL);
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kfree(priv);
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}
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static struct usb_serial_driver qcdevice = {
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.driver = {
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.owner = THIS_MODULE,
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.name = "qcserial",
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},
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.description = "Qualcomm USB modem",
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.id_table = id_table,
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.num_ports = 1,
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.probe = qcprobe,
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.open = usb_wwan_open,
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.close = usb_wwan_close,
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.write = usb_wwan_write,
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.write_room = usb_wwan_write_room,
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.chars_in_buffer = usb_wwan_chars_in_buffer,
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.throttle = usb_wwan_throttle,
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.unthrottle = usb_wwan_unthrottle,
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.attach = usb_wwan_startup,
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.disconnect = usb_wwan_disconnect,
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.release = qc_release,
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#ifdef CONFIG_PM
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.suspend = usb_wwan_suspend,
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.resume = usb_wwan_resume,
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#endif
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};
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static struct usb_serial_driver * const serial_drivers[] = {
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&qcdevice, NULL
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};
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module_usb_serial_driver(qcdriver, serial_drivers);
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MODULE_AUTHOR(DRIVER_AUTHOR);
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_LICENSE("GPL v2");
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module_param(debug, bool, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(debug, "Debug enabled or not");
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