linux/drivers/usb/serial/ftdi_sio.c
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   1/*
   2 * USB FTDI SIO driver
   3 *
   4 *      Copyright (C) 2009 - 2010
   5 *          Johan Hovold (jhovold@gmail.com)
   6 *      Copyright (C) 1999 - 2001
   7 *          Greg Kroah-Hartman (greg@kroah.com)
   8 *          Bill Ryder (bryder@sgi.com)
   9 *      Copyright (C) 2002
  10 *          Kuba Ober (kuba@mareimbrium.org)
  11 *
  12 *      This program is free software; you can redistribute it and/or modify
  13 *      it under the terms of the GNU General Public License as published by
  14 *      the Free Software Foundation; either version 2 of the License, or
  15 *      (at your option) any later version.
  16 *
  17 * See Documentation/usb/usb-serial.txt for more information on using this
  18 * driver
  19 *
  20 * See http://ftdi-usb-sio.sourceforge.net for up to date testing info
  21 *      and extra documentation
  22 *
  23 * Change entries from 2004 and earlier can be found in versions of this
  24 * file in kernel versions prior to the 2.6.24 release.
  25 *
  26 */
  27
  28/* Bill Ryder - bryder@sgi.com - wrote the FTDI_SIO implementation */
  29/* Thanx to FTDI for so kindly providing details of the protocol required */
  30/*   to talk to the device */
  31/* Thanx to gkh and the rest of the usb dev group for all code I have
  32   assimilated :-) */
  33
  34#include <linux/kernel.h>
  35#include <linux/errno.h>
  36#include <linux/init.h>
  37#include <linux/slab.h>
  38#include <linux/tty.h>
  39#include <linux/tty_driver.h>
  40#include <linux/tty_flip.h>
  41#include <linux/module.h>
  42#include <linux/spinlock.h>
  43#include <linux/mutex.h>
  44#include <linux/uaccess.h>
  45#include <linux/usb.h>
  46#include <linux/serial.h>
  47#include <linux/usb/serial.h>
  48#include "ftdi_sio.h"
  49#include "ftdi_sio_ids.h"
  50
  51/*
  52 * Version Information
  53 */
  54#define DRIVER_VERSION "v1.6.0"
  55#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>, Andreas Mohr, Johan Hovold <jhovold@gmail.com>"
  56#define DRIVER_DESC "USB FTDI Serial Converters Driver"
  57
  58static int debug;
  59static __u16 vendor = FTDI_VID;
  60static __u16 product;
  61
  62struct ftdi_private {
  63        struct kref kref;
  64        enum ftdi_chip_type chip_type;
  65                                /* type of device, either SIO or FT8U232AM */
  66        int baud_base;          /* baud base clock for divisor setting */
  67        int custom_divisor;     /* custom_divisor kludge, this is for
  68                                   baud_base (different from what goes to the
  69                                   chip!) */
  70        __u16 last_set_data_urb_value ;
  71                                /* the last data state set - needed for doing
  72                                 * a break
  73                                 */
  74        int flags;              /* some ASYNC_xxxx flags are supported */
  75        unsigned long last_dtr_rts;     /* saved modem control outputs */
  76        struct async_icount     icount;
  77        wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
  78        char prev_status, diff_status;        /* Used for TIOCMIWAIT */
  79        char transmit_empty;    /* If transmitter is empty or not */
  80        struct usb_serial_port *port;
  81        __u16 interface;        /* FT2232C, FT2232H or FT4232H port interface
  82                                   (0 for FT232/245) */
  83
  84        speed_t force_baud;     /* if non-zero, force the baud rate to
  85                                   this value */
  86        int force_rtscts;       /* if non-zero, force RTS-CTS to always
  87                                   be enabled */
  88
  89        unsigned int latency;           /* latency setting in use */
  90        unsigned short max_packet_size;
  91        struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
  92};
  93
  94/* struct ftdi_sio_quirk is used by devices requiring special attention. */
  95struct ftdi_sio_quirk {
  96        int (*probe)(struct usb_serial *);
  97        /* Special settings for probed ports. */
  98        void (*port_probe)(struct ftdi_private *);
  99};
 100
 101static int   ftdi_jtag_probe(struct usb_serial *serial);
 102static int   ftdi_mtxorb_hack_setup(struct usb_serial *serial);
 103static int   ftdi_NDI_device_setup(struct usb_serial *serial);
 104static int   ftdi_stmclite_probe(struct usb_serial *serial);
 105static int   ftdi_8u2232c_probe(struct usb_serial *serial);
 106static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
 107static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
 108
 109static struct ftdi_sio_quirk ftdi_jtag_quirk = {
 110        .probe  = ftdi_jtag_probe,
 111};
 112
 113static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = {
 114        .probe  = ftdi_mtxorb_hack_setup,
 115};
 116
 117static struct ftdi_sio_quirk ftdi_NDI_device_quirk = {
 118        .probe  = ftdi_NDI_device_setup,
 119};
 120
 121static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = {
 122        .port_probe = ftdi_USB_UIRT_setup,
 123};
 124
 125static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
 126        .port_probe = ftdi_HE_TIRA1_setup,
 127};
 128
 129static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
 130        .probe  = ftdi_stmclite_probe,
 131};
 132
 133static struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
 134        .probe  = ftdi_8u2232c_probe,
 135};
 136
 137/*
 138 * The 8U232AM has the same API as the sio except for:
 139 * - it can support MUCH higher baudrates; up to:
 140 *   o 921600 for RS232 and 2000000 for RS422/485 at 48MHz
 141 *   o 230400 at 12MHz
 142 *   so .. 8U232AM's baudrate setting codes are different
 143 * - it has a two byte status code.
 144 * - it returns characters every 16ms (the FTDI does it every 40ms)
 145 *
 146 * the bcdDevice value is used to differentiate FT232BM and FT245BM from
 147 * the earlier FT8U232AM and FT8U232BM.  For now, include all known VID/PID
 148 * combinations in both tables.
 149 * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices,
 150 * but I don't know if those ever went into mass production. [Ian Abbott]
 151 */
 152
 153
 154
 155/*
 156 * Device ID not listed? Test via module params product/vendor or
 157 * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
 158 */
 159static struct usb_device_id id_table_combined [] = {
 160        { USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
 161        { USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
 162        { USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
 163        { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
 164        { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
 165        { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
 166        { USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
 167        { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
 168        { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
 169        { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
 170        { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) },
 171        { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) },
 172        { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) },
 173        { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) },
 174        { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) },
 175        { USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) },
 176        { USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) },
 177        { USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) },
 178        { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
 179        { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
 180        { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
 181        { USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) },
 182        { USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) },
 183        { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
 184        { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) },
 185        { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) },
 186        { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
 187        { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) ,
 188                .driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
 189        { USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
 190        { USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
 191        { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
 192        { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
 193        { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
 194        { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
 195        { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
 196        { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
 197        { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
 198        { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
 199        { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
 200        { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
 201        { USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) },
 202        { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },
 203        { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) },
 204        { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) },
 205        { USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) },
 206        { USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) },
 207        { USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) },
 208        { USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) },
 209        { USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) },
 210        { USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) },
 211        { USB_DEVICE(FTDI_VID, FTDI_URBAN_0_PID) },
 212        { USB_DEVICE(FTDI_VID, FTDI_URBAN_1_PID) },
 213        { USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) },
 214        { USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) },
 215        { USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) },
 216        { USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) },
 217        { USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) },
 218        { USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) },
 219        { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) },
 220        { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
 221        { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
 222        { USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
 223        { USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
 224        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
 225        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
 226        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
 227        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) },
 228        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) },
 229        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) },
 230        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) },
 231        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) },
 232        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) },
 233        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) },
 234        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) },
 235        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) },
 236        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) },
 237        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) },
 238        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) },
 239        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) },
 240        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) },
 241        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) },
 242        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) },
 243        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) },
 244        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) },
 245        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) },
 246        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) },
 247        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) },
 248        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) },
 249        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) },
 250        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) },
 251        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) },
 252        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) },
 253        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) },
 254        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) },
 255        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) },
 256        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) },
 257        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) },
 258        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) },
 259        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) },
 260        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) },
 261        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) },
 262        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) },
 263        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID),
 264                .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
 265        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) },
 266        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) },
 267        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) },
 268        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) },
 269        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID),
 270                .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
 271        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) },
 272        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) },
 273        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) },
 274        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) },
 275        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) },
 276        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) },
 277        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) },
 278        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) },
 279        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) },
 280        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) },
 281        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) },
 282        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) },
 283        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) },
 284        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) },
 285        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) },
 286        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) },
 287        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) },
 288        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) },
 289        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) },
 290        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) },
 291        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) },
 292        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) },
 293        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) },
 294        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) },
 295        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) },
 296        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) },
 297        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) },
 298        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) },
 299        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) },
 300        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) },
 301        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) },
 302        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) },
 303        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) },
 304        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) },
 305        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) },
 306        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) },
 307        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) },
 308        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) },
 309        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID),
 310                .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
 311        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID),
 312                .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
 313        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID),
 314                .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
 315        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID),
 316                .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
 317        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID),
 318                .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
 319        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID),
 320                .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk },
 321        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) },
 322        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) },
 323        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) },
 324        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) },
 325        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) },
 326        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) },
 327        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) },
 328        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) },
 329        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) },
 330        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) },
 331        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) },
 332        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) },
 333        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) },
 334        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) },
 335        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) },
 336        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) },
 337        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) },
 338        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) },
 339        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) },
 340        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) },
 341        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) },
 342        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) },
 343        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) },
 344        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) },
 345        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) },
 346        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) },
 347        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) },
 348        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) },
 349        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) },
 350        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) },
 351        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) },
 352        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) },
 353        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) },
 354        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) },
 355        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) },
 356        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) },
 357        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) },
 358        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) },
 359        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) },
 360        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) },
 361        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) },
 362        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) },
 363        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) },
 364        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) },
 365        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) },
 366        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) },
 367        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) },
 368        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) },
 369        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) },
 370        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) },
 371        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) },
 372        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) },
 373        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) },
 374        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) },
 375        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) },
 376        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) },
 377        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) },
 378        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) },
 379        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) },
 380        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) },
 381        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) },
 382        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) },
 383        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) },
 384        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) },
 385        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) },
 386        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) },
 387        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) },
 388        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) },
 389        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) },
 390        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) },
 391        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) },
 392        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) },
 393        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) },
 394        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) },
 395        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) },
 396        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) },
 397        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) },
 398        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) },
 399        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) },
 400        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) },
 401        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) },
 402        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) },
 403        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) },
 404        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) },
 405        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) },
 406        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) },
 407        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) },
 408        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) },
 409        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) },
 410        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) },
 411        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) },
 412        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) },
 413        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) },
 414        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) },
 415        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) },
 416        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) },
 417        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) },
 418        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) },
 419        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) },
 420        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) },
 421        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) },
 422        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) },
 423        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) },
 424        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) },
 425        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) },
 426        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) },
 427        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) },
 428        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) },
 429        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) },
 430        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) },
 431        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) },
 432        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) },
 433        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) },
 434        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) },
 435        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) },
 436        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) },
 437        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) },
 438        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) },
 439        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) },
 440        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) },
 441        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) },
 442        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) },
 443        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) },
 444        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) },
 445        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) },
 446        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) },
 447        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) },
 448        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) },
 449        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) },
 450        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) },
 451        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) },
 452        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) },
 453        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) },
 454        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) },
 455        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) },
 456        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) },
 457        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) },
 458        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) },
 459        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) },
 460        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) },
 461        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) },
 462        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) },
 463        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) },
 464        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) },
 465        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) },
 466        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) },
 467        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) },
 468        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) },
 469        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) },
 470        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) },
 471        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) },
 472        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) },
 473        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) },
 474        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) },
 475        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) },
 476        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) },
 477        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) },
 478        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) },
 479        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) },
 480        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) },
 481        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) },
 482        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) },
 483        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) },
 484        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) },
 485        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
 486        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
 487        { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
 488        { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
 489        { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
 490        { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
 491        { USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) },
 492        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) },
 493        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) },
 494        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) },
 495        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) },
 496        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) },
 497        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) },
 498        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) },
 499        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) },
 500        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) },
 501        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) },
 502        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) },
 503        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) },
 504        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) },
 505        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) },
 506        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) },
 507        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) },
 508        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) },
 509        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) },
 510        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) },
 511        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) },
 512        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) },
 513        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) },
 514        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) },
 515        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) },
 516        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) },
 517        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) },
 518        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) },
 519        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) },
 520        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) },
 521        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) },
 522        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) },
 523        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) },
 524        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) },
 525        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) },
 526        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) },
 527        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) },
 528        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) },
 529        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) },
 530        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) },
 531        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) },
 532        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) },
 533        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) },
 534        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) },
 535        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) },
 536        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
 537        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
 538        { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
 539        { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
 540        { USB_DEVICE(OCT_VID, OCT_US101_PID) },
 541        { USB_DEVICE(OCT_VID, OCT_DK201_PID) },
 542        { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
 543                .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
 544        { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
 545                .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk },
 546        { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) },
 547        { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) },
 548        { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) },
 549        { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) },
 550        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) },
 551        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) },
 552        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) },
 553        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) },
 554        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) },
 555        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) },
 556        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) },
 557        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) },
 558        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) },
 559        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) },
 560        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) },
 561        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) },
 562        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) },
 563        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) },
 564        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) },
 565        { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) },
 566        { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) },
 567        { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) },
 568        { USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) },
 569        { USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) },
 570        { USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) },
 571        { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) },
 572        { USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) },
 573        { USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) },
 574        { USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) },
 575        { USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) },
 576        { USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) },
 577        { USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
 578        { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
 579        { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
 580        { USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
 581        /*
 582         * ELV devices:
 583         */
 584        { USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
 585        { USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
 586        { USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
 587        { USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
 588        { USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
 589        { USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
 590        { USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
 591        { USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
 592        { USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
 593        { USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
 594        { USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
 595        { USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) },
 596        { USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) },
 597        { USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) },
 598        { USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) },
 599        { USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) },
 600        { USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) },
 601        { USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) },
 602        { USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) },
 603        { USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) },
 604        { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) },
 605        { USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
 606        { USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
 607        { USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
 608        { USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
 609        { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
 610        { USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
 611        { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
 612        { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
 613        { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
 614        { USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
 615        { USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
 616        { USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
 617        { USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
 618        { USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
 619        { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
 620        { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
 621        { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
 622        { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) },
 623        { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) },
 624        { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) },
 625        { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) },
 626        { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) },
 627        { USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) },
 628        { USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) },
 629        { USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) },
 630        { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) },
 631        { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) },
 632        { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) },
 633        { USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) },
 634        { USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) },
 635        { USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) },
 636        { USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
 637        { USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
 638        { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
 639        { USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
 640        { USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
 641        { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
 642        { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
 643        { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
 644        { USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) },
 645        { USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) },
 646        { USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) },
 647        { USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) },
 648        { USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) },
 649        { USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) },
 650        { USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) },
 651        { USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) },
 652        { USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) },
 653        { USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) },
 654        { USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) },
 655        { USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) },
 656        { USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) },
 657        { USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) },
 658        { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
 659        { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
 660        { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
 661        { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
 662        { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
 663        { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
 664        { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
 665        { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) },
 666        { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) },
 667        { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
 668        { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
 669        { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
 670        { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
 671        { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
 672        { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
 673        { USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) },
 674        { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) },
 675        { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) },
 676        { USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) },
 677        { USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) },
 678        { USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) },
 679        { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) },
 680        { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) },
 681        { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) },
 682        { USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
 683        { USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
 684        { USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
 685        { USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
 686        { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
 687        { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
 688        { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) },
 689        { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) },
 690        { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) },
 691        { USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) },
 692        { USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) },
 693        { USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) },
 694        { USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) },
 695        { USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) },
 696        { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) },
 697        { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) },
 698        { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
 699        { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
 700        { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
 701        { USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
 702        { USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
 703        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
 704        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
 705        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
 706        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
 707        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
 708        { USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
 709        { USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
 710        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
 711        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
 712        { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
 713        { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
 714        { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
 715        { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) },
 716        { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) },
 717        { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) },
 718        { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) },
 719        { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) },
 720        { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) },
 721        { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID),
 722                .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
 723        { USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID),
 724                .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
 725        { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID),
 726                .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
 727        { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID),
 728                .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
 729        { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
 730                .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
 731        { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
 732        { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) },
 733        { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_CT29B_PID) },
 734        { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
 735        { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
 736        { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
 737        { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
 738        { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
 739        { USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
 740        { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
 741                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 742        { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
 743                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 744        { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
 745                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 746        { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
 747                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 748        { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID),
 749                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 750        { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID),
 751                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 752        { USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID),
 753                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 754        { USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID),
 755                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 756        { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
 757        { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
 758
 759        /* Papouch devices based on FTDI chip */
 760        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
 761        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
 762        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
 763        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
 764        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
 765        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
 766        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
 767        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
 768        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
 769        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
 770        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
 771        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
 772        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
 773        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
 774        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
 775        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
 776        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
 777        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
 778        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
 779        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
 780        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
 781        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
 782        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
 783        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
 784        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
 785        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
 786        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
 787        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
 788
 789        { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
 790        { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
 791        { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
 792        { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) },
 793        { USB_DEVICE(ATMEL_VID, STK541_PID) },
 794        { USB_DEVICE(DE_VID, STB_PID) },
 795        { USB_DEVICE(DE_VID, WHT_PID) },
 796        { USB_DEVICE(ADI_VID, ADI_GNICE_PID),
 797                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 798        { USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
 799                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 800        { USB_DEVICE(HORNBY_VID, HORNBY_ELITE_PID) },
 801        { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
 802        { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
 803                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 804        { USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) },
 805        { USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) },
 806        { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) },
 807        { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
 808                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 809        { USB_DEVICE(FTDI_VID, TI_XDS100V2_PID),
 810                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 811        { USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
 812        { USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
 813        { USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
 814        { USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
 815        { USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
 816        { USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
 817        { USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
 818        { USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
 819        { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID),
 820                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 821        { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID),
 822                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 823        { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID),
 824                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 825        { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
 826                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 827        { USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
 828        { USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
 829        { USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
 830                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 831        { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
 832        { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) },
 833        { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) },
 834        { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MIDI_TIMECODE_PID) },
 835        { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MINI_WING_PID) },
 836        { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
 837        { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
 838        { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
 839        { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
 840        { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
 841        { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
 842        { USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
 843        { USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
 844        { USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
 845                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 846        { USB_DEVICE(ST_VID, ST_STMCLT1030_PID),
 847                .driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
 848        { USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
 849        { },                                    /* Optional parameter entry */
 850        { }                                     /* Terminating entry */
 851};
 852
 853MODULE_DEVICE_TABLE(usb, id_table_combined);
 854
 855static struct usb_driver ftdi_driver = {
 856        .name =         "ftdi_sio",
 857        .probe =        usb_serial_probe,
 858        .disconnect =   usb_serial_disconnect,
 859        .id_table =     id_table_combined,
 860        .no_dynamic_id =        1,
 861};
 862
 863static const char *ftdi_chip_name[] = {
 864        [SIO] = "SIO",  /* the serial part of FT8U100AX */
 865        [FT8U232AM] = "FT8U232AM",
 866        [FT232BM] = "FT232BM",
 867        [FT2232C] = "FT2232C",
 868        [FT232RL] = "FT232RL",
 869        [FT2232H] = "FT2232H",
 870        [FT4232H] = "FT4232H",
 871        [FT232H]  = "FT232H"
 872};
 873
 874
 875/* Used for TIOCMIWAIT */
 876#define FTDI_STATUS_B0_MASK     (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD)
 877#define FTDI_STATUS_B1_MASK     (FTDI_RS_BI)
 878/* End TIOCMIWAIT */
 879
 880#define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \
 881 | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP)
 882
 883/* function prototypes for a FTDI serial converter */
 884static int  ftdi_sio_probe(struct usb_serial *serial,
 885                                        const struct usb_device_id *id);
 886static int  ftdi_sio_port_probe(struct usb_serial_port *port);
 887static int  ftdi_sio_port_remove(struct usb_serial_port *port);
 888static int  ftdi_open(struct tty_struct *tty, struct usb_serial_port *port);
 889static void ftdi_close(struct usb_serial_port *port);
 890static void ftdi_dtr_rts(struct usb_serial_port *port, int on);
 891static void ftdi_process_read_urb(struct urb *urb);
 892static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
 893                                                void *dest, size_t size);
 894static void ftdi_set_termios(struct tty_struct *tty,
 895                        struct usb_serial_port *port, struct ktermios *old);
 896static int  ftdi_tiocmget(struct tty_struct *tty);
 897static int  ftdi_tiocmset(struct tty_struct *tty,
 898                        unsigned int set, unsigned int clear);
 899static int ftdi_get_icount(struct tty_struct *tty,
 900                           struct serial_icounter_struct *icount);
 901static int  ftdi_ioctl(struct tty_struct *tty,
 902                        unsigned int cmd, unsigned long arg);
 903static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
 904
 905static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base);
 906static unsigned short int ftdi_232am_baud_to_divisor(int baud);
 907static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base);
 908static __u32 ftdi_232bm_baud_to_divisor(int baud);
 909static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base);
 910static __u32 ftdi_2232h_baud_to_divisor(int baud);
 911
 912static struct usb_serial_driver ftdi_sio_device = {
 913        .driver = {
 914                .owner =        THIS_MODULE,
 915                .name =         "ftdi_sio",
 916        },
 917        .description =          "FTDI USB Serial Device",
 918        .usb_driver =           &ftdi_driver,
 919        .id_table =             id_table_combined,
 920        .num_ports =            1,
 921        .bulk_in_size =         512,
 922        .bulk_out_size =        256,
 923        .probe =                ftdi_sio_probe,
 924        .port_probe =           ftdi_sio_port_probe,
 925        .port_remove =          ftdi_sio_port_remove,
 926        .open =                 ftdi_open,
 927        .close =                ftdi_close,
 928        .dtr_rts =              ftdi_dtr_rts,
 929        .throttle =             usb_serial_generic_throttle,
 930        .unthrottle =           usb_serial_generic_unthrottle,
 931        .process_read_urb =     ftdi_process_read_urb,
 932        .prepare_write_buffer = ftdi_prepare_write_buffer,
 933        .tiocmget =             ftdi_tiocmget,
 934        .tiocmset =             ftdi_tiocmset,
 935        .get_icount =           ftdi_get_icount,
 936        .ioctl =                ftdi_ioctl,
 937        .set_termios =          ftdi_set_termios,
 938        .break_ctl =            ftdi_break_ctl,
 939};
 940
 941
 942#define WDR_TIMEOUT 5000 /* default urb timeout */
 943#define WDR_SHORT_TIMEOUT 1000  /* shorter urb timeout */
 944
 945/* High and low are for DTR, RTS etc etc */
 946#define HIGH 1
 947#define LOW 0
 948
 949/*
 950 * ***************************************************************************
 951 * Utility functions
 952 * ***************************************************************************
 953 */
 954
 955static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base)
 956{
 957        unsigned short int divisor;
 958        /* divisor shifted 3 bits to the left */
 959        int divisor3 = base / 2 / baud;
 960        if ((divisor3 & 0x7) == 7)
 961                divisor3++; /* round x.7/8 up to x+1 */
 962        divisor = divisor3 >> 3;
 963        divisor3 &= 0x7;
 964        if (divisor3 == 1)
 965                divisor |= 0xc000;
 966        else if (divisor3 >= 4)
 967                divisor |= 0x4000;
 968        else if (divisor3 != 0)
 969                divisor |= 0x8000;
 970        else if (divisor == 1)
 971                divisor = 0;    /* special case for maximum baud rate */
 972        return divisor;
 973}
 974
 975static unsigned short int ftdi_232am_baud_to_divisor(int baud)
 976{
 977         return ftdi_232am_baud_base_to_divisor(baud, 48000000);
 978}
 979
 980static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base)
 981{
 982        static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
 983        __u32 divisor;
 984        /* divisor shifted 3 bits to the left */
 985        int divisor3 = base / 2 / baud;
 986        divisor = divisor3 >> 3;
 987        divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
 988        /* Deal with special cases for highest baud rates. */
 989        if (divisor == 1)
 990                divisor = 0;
 991        else if (divisor == 0x4001)
 992                divisor = 1;
 993        return divisor;
 994}
 995
 996static __u32 ftdi_232bm_baud_to_divisor(int baud)
 997{
 998         return ftdi_232bm_baud_base_to_divisor(baud, 48000000);
 999}
1000
1001static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
1002{
1003        static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 };
1004        __u32 divisor;
1005        int divisor3;
1006
1007        /* hi-speed baud rate is 10-bit sampling instead of 16-bit */
1008        divisor3 = base * 8 / (baud * 10);
1009
1010        divisor = divisor3 >> 3;
1011        divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
1012        /* Deal with special cases for highest baud rates. */
1013        if (divisor == 1)
1014                divisor = 0;
1015        else if (divisor == 0x4001)
1016                divisor = 1;
1017        /*
1018         * Set this bit to turn off a divide by 2.5 on baud rate generator
1019         * This enables baud rates up to 12Mbaud but cannot reach below 1200
1020         * baud with this bit set
1021         */
1022        divisor |= 0x00020000;
1023        return divisor;
1024}
1025
1026static __u32 ftdi_2232h_baud_to_divisor(int baud)
1027{
1028         return ftdi_2232h_baud_base_to_divisor(baud, 120000000);
1029}
1030
1031#define set_mctrl(port, set)            update_mctrl((port), (set), 0)
1032#define clear_mctrl(port, clear)        update_mctrl((port), 0, (clear))
1033
1034static int update_mctrl(struct usb_serial_port *port, unsigned int set,
1035                                                        unsigned int clear)
1036{
1037        struct ftdi_private *priv = usb_get_serial_port_data(port);
1038        unsigned urb_value;
1039        int rv;
1040
1041        if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
1042                dbg("%s - DTR|RTS not being set|cleared", __func__);
1043                return 0;       /* no change */
1044        }
1045
1046        clear &= ~set;  /* 'set' takes precedence over 'clear' */
1047        urb_value = 0;
1048        if (clear & TIOCM_DTR)
1049                urb_value |= FTDI_SIO_SET_DTR_LOW;
1050        if (clear & TIOCM_RTS)
1051                urb_value |= FTDI_SIO_SET_RTS_LOW;
1052        if (set & TIOCM_DTR)
1053                urb_value |= FTDI_SIO_SET_DTR_HIGH;
1054        if (set & TIOCM_RTS)
1055                urb_value |= FTDI_SIO_SET_RTS_HIGH;
1056        rv = usb_control_msg(port->serial->dev,
1057                               usb_sndctrlpipe(port->serial->dev, 0),
1058                               FTDI_SIO_SET_MODEM_CTRL_REQUEST,
1059                               FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
1060                               urb_value, priv->interface,
1061                               NULL, 0, WDR_TIMEOUT);
1062        if (rv < 0) {
1063                dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
1064                                __func__,
1065                                (set & TIOCM_DTR) ? "HIGH" :
1066                                (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1067                                (set & TIOCM_RTS) ? "HIGH" :
1068                                (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1069        } else {
1070                dbg("%s - DTR %s, RTS %s", __func__,
1071                                (set & TIOCM_DTR) ? "HIGH" :
1072                                (clear & TIOCM_DTR) ? "LOW" : "unchanged",
1073                                (set & TIOCM_RTS) ? "HIGH" :
1074                                (clear & TIOCM_RTS) ? "LOW" : "unchanged");
1075                /* FIXME: locking on last_dtr_rts */
1076                priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set;
1077        }
1078        return rv;
1079}
1080
1081
1082static __u32 get_ftdi_divisor(struct tty_struct *tty,
1083                                                struct usb_serial_port *port)
1084{
1085        struct ftdi_private *priv = usb_get_serial_port_data(port);
1086        __u32 div_value = 0;
1087        int div_okay = 1;
1088        int baud;
1089
1090        /*
1091         * The logic involved in setting the baudrate can be cleanly split into
1092         * 3 steps.
1093         * 1. Standard baud rates are set in tty->termios->c_cflag
1094         * 2. If these are not enough, you can set any speed using alt_speed as
1095         * follows:
1096         *    - set tty->termios->c_cflag speed to B38400
1097         *    - set your real speed in tty->alt_speed; it gets ignored when
1098         *      alt_speed==0, (or)
1099         *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1100         *      follows:
1101         *      flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP],
1102         *      this just sets alt_speed to (HI: 57600, VHI: 115200,
1103         *      SHI: 230400, WARP: 460800)
1104         * ** Steps 1, 2 are done courtesy of tty_get_baud_rate
1105         * 3. You can also set baud rate by setting custom divisor as follows
1106         *    - set tty->termios->c_cflag speed to B38400
1107         *    - call TIOCSSERIAL ioctl with (struct serial_struct) set as
1108         *      follows:
1109         *      o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST
1110         *      o custom_divisor set to baud_base / your_new_baudrate
1111         * ** Step 3 is done courtesy of code borrowed from serial.c
1112         *    I should really spend some time and separate + move this common
1113         *    code to serial.c, it is replicated in nearly every serial driver
1114         *    you see.
1115         */
1116
1117        /* 1. Get the baud rate from the tty settings, this observes
1118              alt_speed hack */
1119
1120        baud = tty_get_baud_rate(tty);
1121        dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud);
1122
1123        /* 2. Observe async-compatible custom_divisor hack, update baudrate
1124           if needed */
1125
1126        if (baud == 38400 &&
1127            ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1128             (priv->custom_divisor)) {
1129                baud = priv->baud_base / priv->custom_divisor;
1130                dbg("%s - custom divisor %d sets baud rate to %d",
1131                                __func__, priv->custom_divisor, baud);
1132        }
1133
1134        /* 3. Convert baudrate to device-specific divisor */
1135
1136        if (!baud)
1137                baud = 9600;
1138        switch (priv->chip_type) {
1139        case SIO: /* SIO chip */
1140                switch (baud) {
1141                case 300: div_value = ftdi_sio_b300; break;
1142                case 600: div_value = ftdi_sio_b600; break;
1143                case 1200: div_value = ftdi_sio_b1200; break;
1144                case 2400: div_value = ftdi_sio_b2400; break;
1145                case 4800: div_value = ftdi_sio_b4800; break;
1146                case 9600: div_value = ftdi_sio_b9600; break;
1147                case 19200: div_value = ftdi_sio_b19200; break;
1148                case 38400: div_value = ftdi_sio_b38400; break;
1149                case 57600: div_value = ftdi_sio_b57600;  break;
1150                case 115200: div_value = ftdi_sio_b115200; break;
1151                } /* baud */
1152                if (div_value == 0) {
1153                        dbg("%s - Baudrate (%d) requested is not supported",
1154                                                        __func__,  baud);
1155                        div_value = ftdi_sio_b9600;
1156                        baud = 9600;
1157                        div_okay = 0;
1158                }
1159                break;
1160        case FT8U232AM: /* 8U232AM chip */
1161                if (baud <= 3000000) {
1162                        div_value = ftdi_232am_baud_to_divisor(baud);
1163                } else {
1164                        dbg("%s - Baud rate too high!", __func__);
1165                        baud = 9600;
1166                        div_value = ftdi_232am_baud_to_divisor(9600);
1167                        div_okay = 0;
1168                }
1169                break;
1170        case FT232BM: /* FT232BM chip */
1171        case FT2232C: /* FT2232C chip */
1172        case FT232RL:
1173                if (baud <= 3000000) {
1174                        __u16 product_id = le16_to_cpu(
1175                                port->serial->dev->descriptor.idProduct);
1176                        if (((FTDI_NDI_HUC_PID == product_id) ||
1177                             (FTDI_NDI_SPECTRA_SCU_PID == product_id) ||
1178                             (FTDI_NDI_FUTURE_2_PID == product_id) ||
1179                             (FTDI_NDI_FUTURE_3_PID == product_id) ||
1180                             (FTDI_NDI_AURORA_SCU_PID == product_id)) &&
1181                            (baud == 19200)) {
1182                                baud = 1200000;
1183                        }
1184                        div_value = ftdi_232bm_baud_to_divisor(baud);
1185                } else {
1186                        dbg("%s - Baud rate too high!", __func__);
1187                        div_value = ftdi_232bm_baud_to_divisor(9600);
1188                        div_okay = 0;
1189                        baud = 9600;
1190                }
1191                break;
1192        case FT2232H: /* FT2232H chip */
1193        case FT4232H: /* FT4232H chip */
1194        case FT232H:  /* FT232H chip */
1195                if ((baud <= 12000000) && (baud >= 1200)) {
1196                        div_value = ftdi_2232h_baud_to_divisor(baud);
1197                } else if (baud < 1200) {
1198                        div_value = ftdi_232bm_baud_to_divisor(baud);
1199                } else {
1200                        dbg("%s - Baud rate too high!", __func__);
1201                        div_value = ftdi_232bm_baud_to_divisor(9600);
1202                        div_okay = 0;
1203                        baud = 9600;
1204                }
1205                break;
1206        } /* priv->chip_type */
1207
1208        if (div_okay) {
1209                dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s",
1210                        __func__, baud, (unsigned long)div_value,
1211                        ftdi_chip_name[priv->chip_type]);
1212        }
1213
1214        tty_encode_baud_rate(tty, baud, baud);
1215        return div_value;
1216}
1217
1218static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
1219{
1220        struct ftdi_private *priv = usb_get_serial_port_data(port);
1221        __u16 urb_value;
1222        __u16 urb_index;
1223        __u32 urb_index_value;
1224        int rv;
1225
1226        urb_index_value = get_ftdi_divisor(tty, port);
1227        urb_value = (__u16)urb_index_value;
1228        urb_index = (__u16)(urb_index_value >> 16);
1229        if ((priv->chip_type == FT2232C) || (priv->chip_type == FT2232H) ||
1230                (priv->chip_type == FT4232H) || (priv->chip_type == FT232H)) {
1231                /* Probably the BM type needs the MSB of the encoded fractional
1232                 * divider also moved like for the chips above. Any infos? */
1233                urb_index = (__u16)((urb_index << 8) | priv->interface);
1234        }
1235
1236        rv = usb_control_msg(port->serial->dev,
1237                            usb_sndctrlpipe(port->serial->dev, 0),
1238                            FTDI_SIO_SET_BAUDRATE_REQUEST,
1239                            FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
1240                            urb_value, urb_index,
1241                            NULL, 0, WDR_SHORT_TIMEOUT);
1242        return rv;
1243}
1244
1245static int write_latency_timer(struct usb_serial_port *port)
1246{
1247        struct ftdi_private *priv = usb_get_serial_port_data(port);
1248        struct usb_device *udev = port->serial->dev;
1249        int rv;
1250        int l = priv->latency;
1251
1252        if (priv->flags & ASYNC_LOW_LATENCY)
1253                l = 1;
1254
1255        dbg("%s: setting latency timer = %i", __func__, l);
1256
1257        rv = usb_control_msg(udev,
1258                             usb_sndctrlpipe(udev, 0),
1259                             FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1260                             FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1261                             l, priv->interface,
1262                             NULL, 0, WDR_TIMEOUT);
1263        if (rv < 0)
1264                dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
1265        return rv;
1266}
1267
1268static int read_latency_timer(struct usb_serial_port *port)
1269{
1270        struct ftdi_private *priv = usb_get_serial_port_data(port);
1271        struct usb_device *udev = port->serial->dev;
1272        unsigned char *buf;
1273        int rv;
1274
1275        dbg("%s", __func__);
1276
1277        buf = kmalloc(1, GFP_KERNEL);
1278        if (!buf)
1279                return -ENOMEM;
1280
1281        rv = usb_control_msg(udev,
1282                             usb_rcvctrlpipe(udev, 0),
1283                             FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
1284                             FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
1285                             0, priv->interface,
1286                             buf, 1, WDR_TIMEOUT);
1287        if (rv < 0)
1288                dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
1289        else
1290                priv->latency = buf[0];
1291
1292        kfree(buf);
1293
1294        return rv;
1295}
1296
1297static int get_serial_info(struct usb_serial_port *port,
1298                                struct serial_struct __user *retinfo)
1299{
1300        struct ftdi_private *priv = usb_get_serial_port_data(port);
1301        struct serial_struct tmp;
1302
1303        if (!retinfo)
1304                return -EFAULT;
1305        memset(&tmp, 0, sizeof(tmp));
1306        tmp.flags = priv->flags;
1307        tmp.baud_base = priv->baud_base;
1308        tmp.custom_divisor = priv->custom_divisor;
1309        if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
1310                return -EFAULT;
1311        return 0;
1312}
1313
1314static int set_serial_info(struct tty_struct *tty,
1315        struct usb_serial_port *port, struct serial_struct __user *newinfo)
1316{
1317        struct ftdi_private *priv = usb_get_serial_port_data(port);
1318        struct serial_struct new_serial;
1319        struct ftdi_private old_priv;
1320
1321        if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
1322                return -EFAULT;
1323
1324        mutex_lock(&priv->cfg_lock);
1325        old_priv = *priv;
1326
1327        /* Do error checking and permission checking */
1328
1329        if (!capable(CAP_SYS_ADMIN)) {
1330                if (((new_serial.flags & ~ASYNC_USR_MASK) !=
1331                     (priv->flags & ~ASYNC_USR_MASK))) {
1332                        mutex_unlock(&priv->cfg_lock);
1333                        return -EPERM;
1334                }
1335                priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
1336                               (new_serial.flags & ASYNC_USR_MASK));
1337                priv->custom_divisor = new_serial.custom_divisor;
1338                goto check_and_exit;
1339        }
1340
1341        if (new_serial.baud_base != priv->baud_base) {
1342                mutex_unlock(&priv->cfg_lock);
1343                return -EINVAL;
1344        }
1345
1346        /* Make the changes - these are privileged changes! */
1347
1348        priv->flags = ((priv->flags & ~ASYNC_FLAGS) |
1349                                        (new_serial.flags & ASYNC_FLAGS));
1350        priv->custom_divisor = new_serial.custom_divisor;
1351
1352        write_latency_timer(port);
1353
1354check_and_exit:
1355        if ((old_priv.flags & ASYNC_SPD_MASK) !=
1356             (priv->flags & ASYNC_SPD_MASK)) {
1357                if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
1358                        tty->alt_speed = 57600;
1359                else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
1360                        tty->alt_speed = 115200;
1361                else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
1362                        tty->alt_speed = 230400;
1363                else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
1364                        tty->alt_speed = 460800;
1365                else
1366                        tty->alt_speed = 0;
1367        }
1368        if (((old_priv.flags & ASYNC_SPD_MASK) !=
1369             (priv->flags & ASYNC_SPD_MASK)) ||
1370            (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
1371             (old_priv.custom_divisor != priv->custom_divisor))) {
1372                change_speed(tty, port);
1373                mutex_unlock(&priv->cfg_lock);
1374        }
1375        else
1376                mutex_unlock(&priv->cfg_lock);
1377        return 0;
1378}
1379
1380static int get_lsr_info(struct usb_serial_port *port,
1381                        struct serial_struct __user *retinfo)
1382{
1383        struct ftdi_private *priv = usb_get_serial_port_data(port);
1384        unsigned int result = 0;
1385
1386        if (!retinfo)
1387                return -EFAULT;
1388
1389        if (priv->transmit_empty)
1390                result = TIOCSER_TEMT;
1391
1392        if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
1393                return -EFAULT;
1394        return 0;
1395}
1396
1397
1398/* Determine type of FTDI chip based on USB config and descriptor. */
1399static void ftdi_determine_type(struct usb_serial_port *port)
1400{
1401        struct ftdi_private *priv = usb_get_serial_port_data(port);
1402        struct usb_serial *serial = port->serial;
1403        struct usb_device *udev = serial->dev;
1404        unsigned version;
1405        unsigned interfaces;
1406
1407        /* Assume it is not the original SIO device for now. */
1408        priv->baud_base = 48000000 / 2;
1409
1410        version = le16_to_cpu(udev->descriptor.bcdDevice);
1411        interfaces = udev->actconfig->desc.bNumInterfaces;
1412        dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__,
1413                        version, interfaces);
1414        if (interfaces > 1) {
1415                int inter;
1416
1417                /* Multiple interfaces.*/
1418                if (version == 0x0800) {
1419                        priv->chip_type = FT4232H;
1420                        /* Hi-speed - baud clock runs at 120MHz */
1421                        priv->baud_base = 120000000 / 2;
1422                } else if (version == 0x0700) {
1423                        priv->chip_type = FT2232H;
1424                        /* Hi-speed - baud clock runs at 120MHz */
1425                        priv->baud_base = 120000000 / 2;
1426                } else
1427                        priv->chip_type = FT2232C;
1428
1429                /* Determine interface code. */
1430                inter = serial->interface->altsetting->desc.bInterfaceNumber;
1431                if (inter == 0) {
1432                        priv->interface = INTERFACE_A;
1433                } else  if (inter == 1) {
1434                        priv->interface = INTERFACE_B;
1435                } else  if (inter == 2) {
1436                        priv->interface = INTERFACE_C;
1437                } else  if (inter == 3) {
1438                        priv->interface = INTERFACE_D;
1439                }
1440                /* BM-type devices have a bug where bcdDevice gets set
1441                 * to 0x200 when iSerialNumber is 0.  */
1442                if (version < 0x500) {
1443                        dbg("%s: something fishy - bcdDevice too low for multi-interface device",
1444                                        __func__);
1445                }
1446        } else if (version < 0x200) {
1447                /* Old device.  Assume it's the original SIO. */
1448                priv->chip_type = SIO;
1449                priv->baud_base = 12000000 / 16;
1450        } else if (version < 0x400) {
1451                /* Assume it's an FT8U232AM (or FT8U245AM) */
1452                /* (It might be a BM because of the iSerialNumber bug,
1453                 * but it will still work as an AM device.) */
1454                priv->chip_type = FT8U232AM;
1455        } else if (version < 0x600) {
1456                /* Assume it's an FT232BM (or FT245BM) */
1457                priv->chip_type = FT232BM;
1458        } else if (version < 0x900) {
1459                /* Assume it's an FT232RL */
1460                priv->chip_type = FT232RL;
1461        } else {
1462                /* Assume it's an FT232H */
1463                priv->chip_type = FT232H;
1464        }
1465        dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
1466}
1467
1468
1469/* Determine the maximum packet size for the device.  This depends on the chip
1470 * type and the USB host capabilities.  The value should be obtained from the
1471 * device descriptor as the chip will use the appropriate values for the host.*/
1472static void ftdi_set_max_packet_size(struct usb_serial_port *port)
1473{
1474        struct ftdi_private *priv = usb_get_serial_port_data(port);
1475        struct usb_serial *serial = port->serial;
1476        struct usb_device *udev = serial->dev;
1477
1478        struct usb_interface *interface = serial->interface;
1479        struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
1480
1481        unsigned num_endpoints;
1482        int i;
1483
1484        num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
1485        dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
1486
1487        /* NOTE: some customers have programmed FT232R/FT245R devices
1488         * with an endpoint size of 0 - not good.  In this case, we
1489         * want to override the endpoint descriptor setting and use a
1490         * value of 64 for wMaxPacketSize */
1491        for (i = 0; i < num_endpoints; i++) {
1492                dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1,
1493                        interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
1494                ep_desc = &interface->cur_altsetting->endpoint[i].desc;
1495                if (ep_desc->wMaxPacketSize == 0) {
1496                        ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1497                        dev_info(&udev->dev, "Overriding wMaxPacketSize on endpoint %d\n", i);
1498                }
1499        }
1500
1501        /* set max packet size based on descriptor */
1502        priv->max_packet_size = usb_endpoint_maxp(ep_desc);
1503
1504        dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
1505}
1506
1507
1508/*
1509 * ***************************************************************************
1510 * Sysfs Attribute
1511 * ***************************************************************************
1512 */
1513
1514static ssize_t show_latency_timer(struct device *dev,
1515                                struct device_attribute *attr, char *buf)
1516{
1517        struct usb_serial_port *port = to_usb_serial_port(dev);
1518        struct ftdi_private *priv = usb_get_serial_port_data(port);
1519        if (priv->flags & ASYNC_LOW_LATENCY)
1520                return sprintf(buf, "1\n");
1521        else
1522                return sprintf(buf, "%i\n", priv->latency);
1523}
1524
1525
1526/* Write a new value of the latency timer, in units of milliseconds. */
1527static ssize_t store_latency_timer(struct device *dev,
1528                        struct device_attribute *attr, const char *valbuf,
1529                        size_t count)
1530{
1531        struct usb_serial_port *port = to_usb_serial_port(dev);
1532        struct ftdi_private *priv = usb_get_serial_port_data(port);
1533        int v = simple_strtoul(valbuf, NULL, 10);
1534        int rv;
1535
1536        priv->latency = v;
1537        rv = write_latency_timer(port);
1538        if (rv < 0)
1539                return -EIO;
1540        return count;
1541}
1542
1543/* Write an event character directly to the FTDI register.  The ASCII
1544   value is in the low 8 bits, with the enable bit in the 9th bit. */
1545static ssize_t store_event_char(struct device *dev,
1546        struct device_attribute *attr, const char *valbuf, size_t count)
1547{
1548        struct usb_serial_port *port = to_usb_serial_port(dev);
1549        struct ftdi_private *priv = usb_get_serial_port_data(port);
1550        struct usb_device *udev = port->serial->dev;
1551        int v = simple_strtoul(valbuf, NULL, 10);
1552        int rv;
1553
1554        dbg("%s: setting event char = %i", __func__, v);
1555
1556        rv = usb_control_msg(udev,
1557                             usb_sndctrlpipe(udev, 0),
1558                             FTDI_SIO_SET_EVENT_CHAR_REQUEST,
1559                             FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
1560                             v, priv->interface,
1561                             NULL, 0, WDR_TIMEOUT);
1562        if (rv < 0) {
1563                dbg("Unable to write event character: %i", rv);
1564                return -EIO;
1565        }
1566
1567        return count;
1568}
1569
1570static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer,
1571                                                        store_latency_timer);
1572static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
1573
1574static int create_sysfs_attrs(struct usb_serial_port *port)
1575{
1576        struct ftdi_private *priv = usb_get_serial_port_data(port);
1577        int retval = 0;
1578
1579        dbg("%s", __func__);
1580
1581        /* XXX I've no idea if the original SIO supports the event_char
1582         * sysfs parameter, so I'm playing it safe.  */
1583        if (priv->chip_type != SIO) {
1584                dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]);
1585                retval = device_create_file(&port->dev, &dev_attr_event_char);
1586                if ((!retval) &&
1587                    (priv->chip_type == FT232BM ||
1588                     priv->chip_type == FT2232C ||
1589                     priv->chip_type == FT232RL ||
1590                     priv->chip_type == FT2232H ||
1591                     priv->chip_type == FT4232H ||
1592                     priv->chip_type == FT232H)) {
1593                        retval = device_create_file(&port->dev,
1594                                                    &dev_attr_latency_timer);
1595                }
1596        }
1597        return retval;
1598}
1599
1600static void remove_sysfs_attrs(struct usb_serial_port *port)
1601{
1602        struct ftdi_private *priv = usb_get_serial_port_data(port);
1603
1604        dbg("%s", __func__);
1605
1606        /* XXX see create_sysfs_attrs */
1607        if (priv->chip_type != SIO) {
1608                device_remove_file(&port->dev, &dev_attr_event_char);
1609                if (priv->chip_type == FT232BM ||
1610                    priv->chip_type == FT2232C ||
1611                    priv->chip_type == FT232RL ||
1612                    priv->chip_type == FT2232H ||
1613                    priv->chip_type == FT4232H ||
1614                    priv->chip_type == FT232H) {
1615                        device_remove_file(&port->dev, &dev_attr_latency_timer);
1616                }
1617        }
1618
1619}
1620
1621/*
1622 * ***************************************************************************
1623 * FTDI driver specific functions
1624 * ***************************************************************************
1625 */
1626
1627/* Probe function to check for special devices */
1628static int ftdi_sio_probe(struct usb_serial *serial,
1629                                        const struct usb_device_id *id)
1630{
1631        struct ftdi_sio_quirk *quirk =
1632                                (struct ftdi_sio_quirk *)id->driver_info;
1633
1634        if (quirk && quirk->probe) {
1635                int ret = quirk->probe(serial);
1636                if (ret != 0)
1637                        return ret;
1638        }
1639
1640        usb_set_serial_data(serial, (void *)id->driver_info);
1641
1642        return 0;
1643}
1644
1645static int ftdi_sio_port_probe(struct usb_serial_port *port)
1646{
1647        struct ftdi_private *priv;
1648        struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial);
1649
1650
1651        dbg("%s", __func__);
1652
1653        priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL);
1654        if (!priv) {
1655                dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__,
1656                                        sizeof(struct ftdi_private));
1657                return -ENOMEM;
1658        }
1659
1660        kref_init(&priv->kref);
1661        mutex_init(&priv->cfg_lock);
1662        memset(&priv->icount, 0x00, sizeof(priv->icount));
1663        init_waitqueue_head(&priv->delta_msr_wait);
1664
1665        priv->flags = ASYNC_LOW_LATENCY;
1666
1667        if (quirk && quirk->port_probe)
1668                quirk->port_probe(priv);
1669
1670        priv->port = port;
1671        usb_set_serial_port_data(port, priv);
1672
1673        ftdi_determine_type(port);
1674        ftdi_set_max_packet_size(port);
1675        if (read_latency_timer(port) < 0)
1676                priv->latency = 16;
1677        write_latency_timer(port);
1678        create_sysfs_attrs(port);
1679        return 0;
1680}
1681
1682/* Setup for the USB-UIRT device, which requires hardwired
1683 * baudrate (38400 gets mapped to 312500) */
1684/* Called from usbserial:serial_probe */
1685static void ftdi_USB_UIRT_setup(struct ftdi_private *priv)
1686{
1687        dbg("%s", __func__);
1688
1689        priv->flags |= ASYNC_SPD_CUST;
1690        priv->custom_divisor = 77;
1691        priv->force_baud = 38400;
1692}
1693
1694/* Setup for the HE-TIRA1 device, which requires hardwired
1695 * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled.  */
1696
1697static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv)
1698{
1699        dbg("%s", __func__);
1700
1701        priv->flags |= ASYNC_SPD_CUST;
1702        priv->custom_divisor = 240;
1703        priv->force_baud = 38400;
1704        priv->force_rtscts = 1;
1705}
1706
1707/*
1708 * Module parameter to control latency timer for NDI FTDI-based USB devices.
1709 * If this value is not set in modprobe.conf.local its value will be set to 1ms.
1710 */
1711static int ndi_latency_timer = 1;
1712
1713/* Setup for the NDI FTDI-based USB devices, which requires hardwired
1714 * baudrate (19200 gets mapped to 1200000).
1715 *
1716 * Called from usbserial:serial_probe.
1717 */
1718static int ftdi_NDI_device_setup(struct usb_serial *serial)
1719{
1720        struct usb_device *udev = serial->dev;
1721        int latency = ndi_latency_timer;
1722
1723        if (latency == 0)
1724                latency = 1;
1725        if (latency > 99)
1726                latency = 99;
1727
1728        dbg("%s setting NDI device latency to %d", __func__, latency);
1729        dev_info(&udev->dev, "NDI device with a latency value of %d", latency);
1730
1731        /* FIXME: errors are not returned */
1732        usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
1733                                FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
1734                                FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
1735                                latency, 0, NULL, 0, WDR_TIMEOUT);
1736        return 0;
1737}
1738
1739/*
1740 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko
1741 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from
1742 * userspace using openocd.
1743 */
1744static int ftdi_jtag_probe(struct usb_serial *serial)
1745{
1746        struct usb_device *udev = serial->dev;
1747        struct usb_interface *interface = serial->interface;
1748
1749        dbg("%s", __func__);
1750
1751        if (interface == udev->actconfig->interface[0]) {
1752                dev_info(&udev->dev,
1753                         "Ignoring serial port reserved for JTAG\n");
1754                return -ENODEV;
1755        }
1756
1757        return 0;
1758}
1759
1760static int ftdi_8u2232c_probe(struct usb_serial *serial)
1761{
1762        struct usb_device *udev = serial->dev;
1763
1764        dbg("%s", __func__);
1765
1766        if (strcmp(udev->manufacturer, "CALAO Systems") == 0)
1767                return ftdi_jtag_probe(serial);
1768
1769        return 0;
1770}
1771
1772/*
1773 * First and second port on STMCLiteadaptors is reserved for JTAG interface
1774 * and the forth port for pio
1775 */
1776static int ftdi_stmclite_probe(struct usb_serial *serial)
1777{
1778        struct usb_device *udev = serial->dev;
1779        struct usb_interface *interface = serial->interface;
1780
1781        dbg("%s", __func__);
1782
1783        if (interface == udev->actconfig->interface[2])
1784                return 0;
1785
1786        dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
1787
1788        return -ENODEV;
1789}
1790
1791/*
1792 * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
1793 * We have to correct it if we want to read from it.
1794 */
1795static int ftdi_mtxorb_hack_setup(struct usb_serial *serial)
1796{
1797        struct usb_host_endpoint *ep = serial->dev->ep_in[1];
1798        struct usb_endpoint_descriptor *ep_desc = &ep->desc;
1799
1800        if (ep->enabled && ep_desc->wMaxPacketSize == 0) {
1801                ep_desc->wMaxPacketSize = cpu_to_le16(0x40);
1802                dev_info(&serial->dev->dev,
1803                         "Fixing invalid wMaxPacketSize on read pipe\n");
1804        }
1805
1806        return 0;
1807}
1808
1809static void ftdi_sio_priv_release(struct kref *k)
1810{
1811        struct ftdi_private *priv = container_of(k, struct ftdi_private, kref);
1812
1813        kfree(priv);
1814}
1815
1816static int ftdi_sio_port_remove(struct usb_serial_port *port)
1817{
1818        struct ftdi_private *priv = usb_get_serial_port_data(port);
1819
1820        dbg("%s", __func__);
1821
1822        remove_sysfs_attrs(port);
1823
1824        kref_put(&priv->kref, ftdi_sio_priv_release);
1825
1826        return 0;
1827}
1828
1829static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
1830{
1831        struct ktermios dummy;
1832        struct usb_device *dev = port->serial->dev;
1833        struct ftdi_private *priv = usb_get_serial_port_data(port);
1834        int result;
1835
1836        dbg("%s", __func__);
1837
1838        /* No error checking for this (will get errors later anyway) */
1839        /* See ftdi_sio.h for description of what is reset */
1840        usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1841                        FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
1842                        FTDI_SIO_RESET_SIO,
1843                        priv->interface, NULL, 0, WDR_TIMEOUT);
1844
1845        /* Termios defaults are set by usb_serial_init. We don't change
1846           port->tty->termios - this would lose speed settings, etc.
1847           This is same behaviour as serial.c/rs_open() - Kuba */
1848
1849        /* ftdi_set_termios  will send usb control messages */
1850        if (tty) {
1851                memset(&dummy, 0, sizeof(dummy));
1852                ftdi_set_termios(tty, port, &dummy);
1853        }
1854
1855        /* Start reading from the device */
1856        result = usb_serial_generic_open(tty, port);
1857        if (!result)
1858                kref_get(&priv->kref);
1859
1860        return result;
1861}
1862
1863static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
1864{
1865        struct ftdi_private *priv = usb_get_serial_port_data(port);
1866
1867        mutex_lock(&port->serial->disc_mutex);
1868        if (!port->serial->disconnected) {
1869                /* Disable flow control */
1870                if (!on && usb_control_msg(port->serial->dev,
1871                            usb_sndctrlpipe(port->serial->dev, 0),
1872                            FTDI_SIO_SET_FLOW_CTRL_REQUEST,
1873                            FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
1874                            0, priv->interface, NULL, 0,
1875                            WDR_TIMEOUT) < 0) {
1876                            dev_err(&port->dev, "error from flowcontrol urb\n");
1877                }
1878                /* drop RTS and DTR */
1879                if (on)
1880                        set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1881                else
1882                        clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
1883        }
1884        mutex_unlock(&port->serial->disc_mutex);
1885}
1886
1887/*
1888 * usbserial:__serial_close  only calls ftdi_close if the point is open
1889 *
1890 *   This only gets called when it is the last close
1891 */
1892static void ftdi_close(struct usb_serial_port *port)
1893{
1894        struct ftdi_private *priv = usb_get_serial_port_data(port);
1895
1896        dbg("%s", __func__);
1897
1898        usb_serial_generic_close(port);
1899        kref_put(&priv->kref, ftdi_sio_priv_release);
1900}
1901
1902/* The SIO requires the first byte to have:
1903 *  B0 1
1904 *  B1 0
1905 *  B2..7 length of message excluding byte 0
1906 *
1907 * The new devices do not require this byte
1908 */
1909static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
1910                                                void *dest, size_t size)
1911{
1912        struct ftdi_private *priv;
1913        int count;
1914        unsigned long flags;
1915
1916        priv = usb_get_serial_port_data(port);
1917
1918        if (priv->chip_type == SIO) {
1919                unsigned char *buffer = dest;
1920                int i, len, c;
1921
1922                count = 0;
1923                spin_lock_irqsave(&port->lock, flags);
1924                for (i = 0; i < size - 1; i += priv->max_packet_size) {
1925                        len = min_t(int, size - i, priv->max_packet_size) - 1;
1926                        c = kfifo_out(&port->write_fifo, &buffer[i + 1], len);
1927                        if (!c)
1928                                break;
1929                        priv->icount.tx += c;
1930                        buffer[i] = (c << 2) + 1;
1931                        count += c + 1;
1932                }
1933                spin_unlock_irqrestore(&port->lock, flags);
1934        } else {
1935                count = kfifo_out_locked(&port->write_fifo, dest, size,
1936                                                                &port->lock);
1937                priv->icount.tx += count;
1938        }
1939
1940        return count;
1941}
1942
1943#define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)
1944
1945static int ftdi_process_packet(struct tty_struct *tty,
1946                struct usb_serial_port *port, struct ftdi_private *priv,
1947                char *packet, int len)
1948{
1949        int i;
1950        char status;
1951        char flag;
1952        char *ch;
1953
1954        dbg("%s - port %d", __func__, port->number);
1955
1956        if (len < 2) {
1957                dbg("malformed packet");
1958                return 0;
1959        }
1960
1961        /* Compare new line status to the old one, signal if different/
1962           N.B. packet may be processed more than once, but differences
1963           are only processed once.  */
1964        status = packet[0] & FTDI_STATUS_B0_MASK;
1965        if (status & FTDI_RS0_CTS)
1966                priv->icount.cts++;
1967        if (status & FTDI_RS0_DSR)
1968                priv->icount.dsr++;
1969        if (status & FTDI_RS0_RI)
1970                priv->icount.rng++;
1971        if (status & FTDI_RS0_RLSD)
1972                priv->icount.dcd++;
1973        if (status != priv->prev_status) {
1974                priv->diff_status |= status ^ priv->prev_status;
1975                wake_up_interruptible(&priv->delta_msr_wait);
1976                priv->prev_status = status;
1977        }
1978
1979        flag = TTY_NORMAL;
1980        if (packet[1] & FTDI_RS_ERR_MASK) {
1981                /* Break takes precedence over parity, which takes precedence
1982                 * over framing errors */
1983                if (packet[1] & FTDI_RS_BI) {
1984                        flag = TTY_BREAK;
1985                        priv->icount.brk++;
1986                        usb_serial_handle_break(port);
1987                } else if (packet[1] & FTDI_RS_PE) {
1988                        flag = TTY_PARITY;
1989                        priv->icount.parity++;
1990                } else if (packet[1] & FTDI_RS_FE) {
1991                        flag = TTY_FRAME;
1992                        priv->icount.frame++;
1993                }
1994                /* Overrun is special, not associated with a char */
1995                if (packet[1] & FTDI_RS_OE) {
1996                        priv->icount.overrun++;
1997                        tty_insert_flip_char(tty, 0, TTY_OVERRUN);
1998                }
1999        }
2000
2001        /* save if the transmitter is empty or not */
2002        if (packet[1] & FTDI_RS_TEMT)
2003                priv->transmit_empty = 1;
2004        else
2005                priv->transmit_empty = 0;
2006
2007        len -= 2;
2008        if (!len)
2009                return 0;       /* status only */
2010        priv->icount.rx += len;
2011        ch = packet + 2;
2012
2013        if (port->port.console && port->sysrq) {
2014                for (i = 0; i < len; i++, ch++) {
2015                        if (!usb_serial_handle_sysrq_char(port, *ch))
2016                                tty_insert_flip_char(tty, *ch, flag);
2017                }
2018        } else {
2019                tty_insert_flip_string_fixed_flag(tty, ch, flag, len);
2020        }
2021
2022        return len;
2023}
2024
2025static void ftdi_process_read_urb(struct urb *urb)
2026{
2027        struct usb_serial_port *port = urb->context;
2028        struct tty_struct *tty;
2029        struct ftdi_private *priv = usb_get_serial_port_data(port);
2030        char *data = (char *)urb->transfer_buffer;
2031        int i;
2032        int len;
2033        int count = 0;
2034
2035        tty = tty_port_tty_get(&port->port);
2036        if (!tty)
2037                return;
2038
2039        for (i = 0; i < urb->actual_length; i += priv->max_packet_size) {
2040                len = min_t(int, urb->actual_length - i, priv->max_packet_size);
2041                count += ftdi_process_packet(tty, port, priv, &data[i], len);
2042        }
2043
2044        if (count)
2045                tty_flip_buffer_push(tty);
2046        tty_kref_put(tty);
2047}
2048
2049static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
2050{
2051        struct usb_serial_port *port = tty->driver_data;
2052        struct ftdi_private *priv = usb_get_serial_port_data(port);
2053        __u16 urb_value;
2054
2055        /* break_state = -1 to turn on break, and 0 to turn off break */
2056        /* see drivers/char/tty_io.c to see it used */
2057        /* last_set_data_urb_value NEVER has the break bit set in it */
2058
2059        if (break_state)
2060                urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK;
2061        else
2062                urb_value = priv->last_set_data_urb_value;
2063
2064        if (usb_control_msg(port->serial->dev,
2065                        usb_sndctrlpipe(port->serial->dev, 0),
2066                        FTDI_SIO_SET_DATA_REQUEST,
2067                        FTDI_SIO_SET_DATA_REQUEST_TYPE,
2068                        urb_value , priv->interface,
2069                        NULL, 0, WDR_TIMEOUT) < 0) {
2070                dev_err(&port->dev, "%s FAILED to enable/disable break state "
2071                        "(state was %d)\n", __func__, break_state);
2072        }
2073
2074        dbg("%s break state is %d - urb is %d", __func__,
2075                                                break_state, urb_value);
2076
2077}
2078
2079/* old_termios contains the original termios settings and tty->termios contains
2080 * the new setting to be used
2081 * WARNING: set_termios calls this with old_termios in kernel space
2082 */
2083static void ftdi_set_termios(struct tty_struct *tty,
2084                struct usb_serial_port *port, struct ktermios *old_termios)
2085{
2086        struct usb_device *dev = port->serial->dev;
2087        struct ftdi_private *priv = usb_get_serial_port_data(port);
2088        struct ktermios *termios = tty->termios;
2089        unsigned int cflag = termios->c_cflag;
2090        __u16 urb_value; /* will hold the new flags */
2091
2092        /* Added for xon/xoff support */
2093        unsigned int iflag = termios->c_iflag;
2094        unsigned char vstop;
2095        unsigned char vstart;
2096
2097        dbg("%s", __func__);
2098
2099        /* Force baud rate if this device requires it, unless it is set to
2100           B0. */
2101        if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) {
2102                dbg("%s: forcing baud rate for this device", __func__);
2103                tty_encode_baud_rate(tty, priv->force_baud,
2104                                        priv->force_baud);
2105        }
2106
2107        /* Force RTS-CTS if this device requires it. */
2108        if (priv->force_rtscts) {
2109                dbg("%s: forcing rtscts for this device", __func__);
2110                termios->c_cflag |= CRTSCTS;
2111        }
2112
2113        cflag = termios->c_cflag;
2114
2115        if (old_termios->c_cflag == termios->c_cflag
2116            && old_termios->c_ispeed == termios->c_ispeed
2117            && old_termios->c_ospeed == termios->c_ospeed)
2118                goto no_c_cflag_changes;
2119
2120        /* NOTE These routines can get interrupted by
2121           ftdi_sio_read_bulk_callback  - need to examine what this means -
2122           don't see any problems yet */
2123
2124        if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) ==
2125            (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
2126                goto no_data_parity_stop_changes;
2127
2128        /* Set number of data bits, parity, stop bits */
2129
2130        urb_value = 0;
2131        urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 :
2132                      FTDI_SIO_SET_DATA_STOP_BITS_1);
2133        if (cflag & PARENB) {
2134                if (cflag & CMSPAR)
2135                        urb_value |= cflag & PARODD ?
2136                                     FTDI_SIO_SET_DATA_PARITY_MARK :
2137                                     FTDI_SIO_SET_DATA_PARITY_SPACE;
2138                else
2139                        urb_value |= cflag & PARODD ?
2140                                     FTDI_SIO_SET_DATA_PARITY_ODD :
2141                                     FTDI_SIO_SET_DATA_PARITY_EVEN;
2142        } else {
2143                urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE;
2144        }
2145        if (cflag & CSIZE) {
2146                switch (cflag & CSIZE) {
2147                case CS7: urb_value |= 7; dbg("Setting CS7"); break;
2148                case CS8: urb_value |= 8; dbg("Setting CS8"); break;
2149                default:
2150                        dev_err(&port->dev, "CSIZE was set but not CS7-CS8\n");
2151                }
2152        }
2153
2154        /* This is needed by the break command since it uses the same command
2155           - but is or'ed with this value  */
2156        priv->last_set_data_urb_value = urb_value;
2157
2158        if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2159                            FTDI_SIO_SET_DATA_REQUEST,
2160                            FTDI_SIO_SET_DATA_REQUEST_TYPE,
2161                            urb_value , priv->interface,
2162                            NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
2163                dev_err(&port->dev, "%s FAILED to set "
2164                        "databits/stopbits/parity\n", __func__);
2165        }
2166
2167        /* Now do the baudrate */
2168no_data_parity_stop_changes:
2169        if ((cflag & CBAUD) == B0) {
2170                /* Disable flow control */
2171                if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
2172                                    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2173                                    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2174                                    0, priv->interface,
2175                                    NULL, 0, WDR_TIMEOUT) < 0) {
2176                        dev_err(&port->dev,
2177                                "%s error from disable flowcontrol urb\n",
2178                                __func__);
2179                }
2180                /* Drop RTS and DTR */
2181                clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2182        } else {
2183                /* set the baudrate determined before */
2184                mutex_lock(&priv->cfg_lock);
2185                if (change_speed(tty, port))
2186                        dev_err(&port->dev, "%s urb failed to set baudrate\n",
2187                                __func__);
2188                mutex_unlock(&priv->cfg_lock);
2189                /* Ensure RTS and DTR are raised when baudrate changed from 0 */
2190                if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
2191                        set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
2192        }
2193
2194        /* Set flow control */
2195        /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */
2196no_c_cflag_changes:
2197        if (cflag & CRTSCTS) {
2198                dbg("%s Setting to CRTSCTS flow control", __func__);
2199                if (usb_control_msg(dev,
2200                                    usb_sndctrlpipe(dev, 0),
2201                                    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2202                                    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2203                                    0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
2204                                    NULL, 0, WDR_TIMEOUT) < 0) {
2205                        dev_err(&port->dev,
2206                                "urb failed to set to rts/cts flow control\n");
2207                }
2208
2209        } else {
2210                /*
2211                 * Xon/Xoff code
2212                 *
2213                 * Check the IXOFF status in the iflag component of the
2214                 * termios structure. If IXOFF is not set, the pre-xon/xoff
2215                 * code is executed.
2216                 */
2217                if (iflag & IXOFF) {
2218                        dbg("%s  request to enable xonxoff iflag=%04x",
2219                                                        __func__, iflag);
2220                        /* Try to enable the XON/XOFF on the ftdi_sio
2221                         * Set the vstart and vstop -- could have been done up
2222                         * above where a lot of other dereferencing is done but
2223                         * that would be very inefficient as vstart and vstop
2224                         * are not always needed.
2225                         */
2226                        vstart = termios->c_cc[VSTART];
2227                        vstop = termios->c_cc[VSTOP];
2228                        urb_value = (vstop << 8) | (vstart);
2229
2230                        if (usb_control_msg(dev,
2231                                            usb_sndctrlpipe(dev, 0),
2232                                            FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2233                                            FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2234                                            urb_value , (FTDI_SIO_XON_XOFF_HS
2235                                                         | priv->interface),
2236                                            NULL, 0, WDR_TIMEOUT) < 0) {
2237                                dev_err(&port->dev, "urb failed to set to "
2238                                        "xon/xoff flow control\n");
2239                        }
2240                } else {
2241                        /* else clause to only run if cflag ! CRTSCTS and iflag
2242                         * ! XOFF. CHECKME Assuming XON/XOFF handled by tty
2243                         * stack - not by device */
2244                        dbg("%s Turning off hardware flow control", __func__);
2245                        if (usb_control_msg(dev,
2246                                            usb_sndctrlpipe(dev, 0),
2247                                            FTDI_SIO_SET_FLOW_CTRL_REQUEST,
2248                                            FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
2249                                            0, priv->interface,
2250                                            NULL, 0, WDR_TIMEOUT) < 0) {
2251                                dev_err(&port->dev,
2252                                        "urb failed to clear flow control\n");
2253                        }
2254                }
2255
2256        }
2257}
2258
2259static int ftdi_tiocmget(struct tty_struct *tty)
2260{
2261        struct usb_serial_port *port = tty->driver_data;
2262        struct ftdi_private *priv = usb_get_serial_port_data(port);
2263        unsigned char *buf;
2264        int len;
2265        int ret;
2266
2267        dbg("%s TIOCMGET", __func__);
2268
2269        buf = kmalloc(2, GFP_KERNEL);
2270        if (!buf)
2271                return -ENOMEM;
2272        /*
2273         * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
2274         * the same format as the data returned from the in point.
2275         */
2276        switch (priv->chip_type) {
2277        case SIO:
2278                len = 1;
2279                break;
2280        case FT8U232AM:
2281        case FT232BM:
2282        case FT2232C:
2283        case FT232RL:
2284        case FT2232H:
2285        case FT4232H:
2286        case FT232H:
2287                len = 2;
2288                break;
2289        default:
2290                ret = -EFAULT;
2291                goto out;
2292        }
2293
2294        ret = usb_control_msg(port->serial->dev,
2295                        usb_rcvctrlpipe(port->serial->dev, 0),
2296                        FTDI_SIO_GET_MODEM_STATUS_REQUEST,
2297                        FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
2298                        0, priv->interface,
2299                        buf, len, WDR_TIMEOUT);
2300        if (ret < 0)
2301                goto out;
2302
2303        ret = (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
2304                (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
2305                (buf[0]  & FTDI_SIO_RI_MASK  ? TIOCM_RI  : 0) |
2306                (buf[0]  & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
2307                priv->last_dtr_rts;
2308out:
2309        kfree(buf);
2310        return ret;
2311}
2312
2313static int ftdi_tiocmset(struct tty_struct *tty,
2314                        unsigned int set, unsigned int clear)
2315{
2316        struct usb_serial_port *port = tty->driver_data;
2317        dbg("%s TIOCMSET", __func__);
2318        return update_mctrl(port, set, clear);
2319}
2320
2321static int ftdi_get_icount(struct tty_struct *tty,
2322                                struct serial_icounter_struct *icount)
2323{
2324        struct usb_serial_port *port = tty->driver_data;
2325        struct ftdi_private *priv = usb_get_serial_port_data(port);
2326        struct async_icount *ic = &priv->icount;
2327
2328        icount->cts = ic->cts;
2329        icount->dsr = ic->dsr;
2330        icount->rng = ic->rng;
2331        icount->dcd = ic->dcd;
2332        icount->tx = ic->tx;
2333        icount->rx = ic->rx;
2334        icount->frame = ic->frame;
2335        icount->parity = ic->parity;
2336        icount->overrun = ic->overrun;
2337        icount->brk = ic->brk;
2338        icount->buf_overrun = ic->buf_overrun;
2339        return 0;
2340}
2341
2342static int ftdi_ioctl(struct tty_struct *tty,
2343                                        unsigned int cmd, unsigned long arg)
2344{
2345        struct usb_serial_port *port = tty->driver_data;
2346        struct ftdi_private *priv = usb_get_serial_port_data(port);
2347        struct async_icount cnow;
2348        struct async_icount cprev;
2349
2350        dbg("%s cmd 0x%04x", __func__, cmd);
2351
2352        /* Based on code from acm.c and others */
2353        switch (cmd) {
2354
2355        case TIOCGSERIAL: /* gets serial port data */
2356                return get_serial_info(port,
2357                                        (struct serial_struct __user *) arg);
2358
2359        case TIOCSSERIAL: /* sets serial port data */
2360                return set_serial_info(tty, port,
2361                                        (struct serial_struct __user *) arg);
2362
2363        /*
2364         * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
2365         * - mask passed in arg for lines of interest
2366         *   (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
2367         * Caller should use TIOCGICOUNT to see which one it was.
2368         *
2369         * This code is borrowed from linux/drivers/char/serial.c
2370         */
2371        case TIOCMIWAIT:
2372                cprev = priv->icount;
2373                while (1) {
2374                        interruptible_sleep_on(&priv->delta_msr_wait);
2375                        /* see if a signal did it */
2376                        if (signal_pending(current))
2377                                return -ERESTARTSYS;
2378                        cnow = priv->icount;
2379                        if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
2380                            cnow.dcd == cprev.dcd && cnow.cts == cprev.cts)
2381                                return -EIO; /* no change => error */
2382                        if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
2383                            ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
2384                            ((arg & TIOCM_CD)  && (cnow.dcd != cprev.dcd)) ||
2385                            ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) {
2386                                return 0;
2387                        }
2388                        cprev = cnow;
2389                }
2390                /* not reached */
2391                break;
2392        case TIOCSERGETLSR:
2393                return get_lsr_info(port, (struct serial_struct __user *)arg);
2394                break;
2395        default:
2396                break;
2397        }
2398        /* This is not necessarily an error - turns out the higher layers
2399         * will do some ioctls themselves (see comment above)
2400         */
2401        dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd);
2402        return -ENOIOCTLCMD;
2403}
2404
2405static int __init ftdi_init(void)
2406{
2407        int retval;
2408
2409        dbg("%s", __func__);
2410        if (vendor > 0 && product > 0) {
2411                /* Add user specified VID/PID to reserved element of table. */
2412                int i;
2413                for (i = 0; id_table_combined[i].idVendor; i++)
2414                        ;
2415                id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE;
2416                id_table_combined[i].idVendor = vendor;
2417                id_table_combined[i].idProduct = product;
2418        }
2419        retval = usb_serial_register(&ftdi_sio_device);
2420        if (retval)
2421                goto failed_sio_register;
2422        retval = usb_register(&ftdi_driver);
2423        if (retval)
2424                goto failed_usb_register;
2425
2426        printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
2427               DRIVER_DESC "\n");
2428        return 0;
2429failed_usb_register:
2430        usb_serial_deregister(&ftdi_sio_device);
2431failed_sio_register:
2432        return retval;
2433}
2434
2435static void __exit ftdi_exit(void)
2436{
2437        dbg("%s", __func__);
2438
2439        usb_deregister(&ftdi_driver);
2440        usb_serial_deregister(&ftdi_sio_device);
2441}
2442
2443
2444module_init(ftdi_init);
2445module_exit(ftdi_exit);
2446
2447MODULE_AUTHOR(DRIVER_AUTHOR);
2448MODULE_DESCRIPTION(DRIVER_DESC);
2449MODULE_LICENSE("GPL");
2450
2451module_param(debug, bool, S_IRUGO | S_IWUSR);
2452MODULE_PARM_DESC(debug, "Debug enabled or not");
2453module_param(vendor, ushort, 0);
2454MODULE_PARM_DESC(vendor, "User specified vendor ID (default="
2455                __MODULE_STRING(FTDI_VID)")");
2456module_param(product, ushort, 0);
2457MODULE_PARM_DESC(product, "User specified product ID");
2458
2459module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR);
2460MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override");
2461
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