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 upto 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 58 static int debug; 59 static __u16 vendor = FTDI_VID; 60 static __u16 product; 61 62 struct 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 wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */ 77 char prev_status, diff_status; /* Used for TIOCMIWAIT */ 78 struct usb_serial_port *port; 79 __u16 interface; /* FT2232C, FT2232H or FT4232H port interface 80 (0 for FT232/245) */ 81 82 speed_t force_baud; /* if non-zero, force the baud rate to 83 this value */ 84 int force_rtscts; /* if non-zero, force RTS-CTS to always 85 be enabled */ 86 87 unsigned int latency; /* latency setting in use */ 88 unsigned short max_packet_size; 89 struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */ 90 }; 91 92 /* struct ftdi_sio_quirk is used by devices requiring special attention. */ 93 struct ftdi_sio_quirk { 94 int (*probe)(struct usb_serial *); 95 /* Special settings for probed ports. */ 96 void (*port_probe)(struct ftdi_private *); 97 }; 98 99 static int ftdi_jtag_probe(struct usb_serial *serial); 100 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial); 101 static int ftdi_NDI_device_setup(struct usb_serial *serial); 102 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv); 103 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv); 104 105 static struct ftdi_sio_quirk ftdi_jtag_quirk = { 106 .probe = ftdi_jtag_probe, 107 }; 108 109 static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = { 110 .probe = ftdi_mtxorb_hack_setup, 111 }; 112 113 static struct ftdi_sio_quirk ftdi_NDI_device_quirk = { 114 .probe = ftdi_NDI_device_setup, 115 }; 116 117 static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = { 118 .port_probe = ftdi_USB_UIRT_setup, 119 }; 120 121 static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = { 122 .port_probe = ftdi_HE_TIRA1_setup, 123 }; 124 125 /* 126 * The 8U232AM has the same API as the sio except for: 127 * - it can support MUCH higher baudrates; up to: 128 * o 921600 for RS232 and 2000000 for RS422/485 at 48MHz 129 * o 230400 at 12MHz 130 * so .. 8U232AM's baudrate setting codes are different 131 * - it has a two byte status code. 132 * - it returns characters every 16ms (the FTDI does it every 40ms) 133 * 134 * the bcdDevice value is used to differentiate FT232BM and FT245BM from 135 * the earlier FT8U232AM and FT8U232BM. For now, include all known VID/PID 136 * combinations in both tables. 137 * FIXME: perhaps bcdDevice can also identify 12MHz FT8U232AM devices, 138 * but I don't know if those ever went into mass production. [Ian Abbott] 139 */ 140 141 142 143 /* 144 * Device ID not listed? Test via module params product/vendor or 145 * /sys/bus/usb/ftdi_sio/new_id, then send patch/report! 146 */ 147 static struct usb_device_id id_table_combined [] = { 148 { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) }, 149 { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) }, 150 { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) }, 151 { USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) }, 152 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) }, 153 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) }, 154 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) }, 155 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_3_PID) }, 156 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_4_PID) }, 157 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_5_PID) }, 158 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_6_PID) }, 159 { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_7_PID) }, 160 { USB_DEVICE(FTDI_VID, FTDI_USINT_CAT_PID) }, 161 { USB_DEVICE(FTDI_VID, FTDI_USINT_WKEY_PID) }, 162 { USB_DEVICE(FTDI_VID, FTDI_USINT_RS232_PID) }, 163 { USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) }, 164 { USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) }, 165 { USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) }, 166 { USB_DEVICE(FTDI_VID, FTDI_IPLUS2_PID) }, 167 { USB_DEVICE(FTDI_VID, FTDI_DMX4ALL) }, 168 { USB_DEVICE(FTDI_VID, FTDI_SIO_PID) }, 169 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_PID) }, 170 { USB_DEVICE(FTDI_VID, FTDI_8U232AM_ALT_PID) }, 171 { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) }, 172 { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) }, 173 { USB_DEVICE(FTDI_VID, FTDI_4232H_PID) }, 174 { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) }, 175 { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) }, 176 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) }, 177 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) }, 178 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) }, 179 { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) }, 180 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, 181 { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, 182 { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) }, 183 { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) }, 184 { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) }, 185 { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) }, 186 { USB_DEVICE(FTDI_VID, FTDI_XF_633_PID) }, 187 { USB_DEVICE(FTDI_VID, FTDI_XF_631_PID) }, 188 { USB_DEVICE(FTDI_VID, FTDI_XF_635_PID) }, 189 { USB_DEVICE(FTDI_VID, FTDI_XF_640_PID) }, 190 { USB_DEVICE(FTDI_VID, FTDI_XF_642_PID) }, 191 { USB_DEVICE(FTDI_VID, FTDI_DSS20_PID) }, 192 { USB_DEVICE(FTDI_NF_RIC_VID, FTDI_NF_RIC_PID) }, 193 { USB_DEVICE(FTDI_VID, FTDI_VNHCPCUSB_D_PID) }, 194 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_0_PID) }, 195 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_1_PID) }, 196 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_2_PID) }, 197 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_3_PID) }, 198 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_4_PID) }, 199 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) }, 200 { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) }, 201 { USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) }, 202 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) }, 203 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) }, 204 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) }, 205 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0103_PID) }, 206 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0104_PID) }, 207 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0105_PID) }, 208 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0106_PID) }, 209 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0107_PID) }, 210 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0108_PID) }, 211 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0109_PID) }, 212 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010A_PID) }, 213 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010B_PID) }, 214 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010C_PID) }, 215 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010D_PID) }, 216 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010E_PID) }, 217 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_010F_PID) }, 218 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0110_PID) }, 219 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0111_PID) }, 220 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0112_PID) }, 221 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0113_PID) }, 222 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0114_PID) }, 223 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0115_PID) }, 224 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0116_PID) }, 225 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0117_PID) }, 226 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0118_PID) }, 227 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0119_PID) }, 228 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011A_PID) }, 229 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011B_PID) }, 230 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011C_PID) }, 231 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011D_PID) }, 232 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011E_PID) }, 233 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_011F_PID) }, 234 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0120_PID) }, 235 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0121_PID) }, 236 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0122_PID) }, 237 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0123_PID) }, 238 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0124_PID) }, 239 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0125_PID) }, 240 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0126_PID) }, 241 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0127_PID), 242 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, 243 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0128_PID) }, 244 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0129_PID) }, 245 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012A_PID) }, 246 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012B_PID) }, 247 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012C_PID), 248 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, 249 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012D_PID) }, 250 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012E_PID) }, 251 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_012F_PID) }, 252 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0130_PID) }, 253 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0131_PID) }, 254 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0132_PID) }, 255 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0133_PID) }, 256 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0134_PID) }, 257 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0135_PID) }, 258 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0136_PID) }, 259 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0137_PID) }, 260 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0138_PID) }, 261 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0139_PID) }, 262 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013A_PID) }, 263 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013B_PID) }, 264 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013C_PID) }, 265 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013D_PID) }, 266 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013E_PID) }, 267 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_013F_PID) }, 268 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0140_PID) }, 269 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0141_PID) }, 270 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0142_PID) }, 271 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0143_PID) }, 272 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0144_PID) }, 273 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0145_PID) }, 274 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0146_PID) }, 275 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0147_PID) }, 276 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0148_PID) }, 277 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0149_PID) }, 278 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014A_PID) }, 279 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014B_PID) }, 280 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014C_PID) }, 281 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014D_PID) }, 282 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014E_PID) }, 283 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_014F_PID) }, 284 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0150_PID) }, 285 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0151_PID) }, 286 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0152_PID) }, 287 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0153_PID), 288 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, 289 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0154_PID), 290 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, 291 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0155_PID), 292 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, 293 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0156_PID), 294 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, 295 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0157_PID), 296 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, 297 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0158_PID), 298 .driver_info = (kernel_ulong_t)&ftdi_mtxorb_hack_quirk }, 299 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0159_PID) }, 300 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015A_PID) }, 301 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015B_PID) }, 302 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015C_PID) }, 303 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015D_PID) }, 304 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015E_PID) }, 305 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_015F_PID) }, 306 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0160_PID) }, 307 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0161_PID) }, 308 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0162_PID) }, 309 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0163_PID) }, 310 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0164_PID) }, 311 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0165_PID) }, 312 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0166_PID) }, 313 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0167_PID) }, 314 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0168_PID) }, 315 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0169_PID) }, 316 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016A_PID) }, 317 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016B_PID) }, 318 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016C_PID) }, 319 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016D_PID) }, 320 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016E_PID) }, 321 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_016F_PID) }, 322 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0170_PID) }, 323 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0171_PID) }, 324 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0172_PID) }, 325 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0173_PID) }, 326 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0174_PID) }, 327 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0175_PID) }, 328 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0176_PID) }, 329 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0177_PID) }, 330 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0178_PID) }, 331 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0179_PID) }, 332 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017A_PID) }, 333 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017B_PID) }, 334 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017C_PID) }, 335 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017D_PID) }, 336 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017E_PID) }, 337 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_017F_PID) }, 338 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0180_PID) }, 339 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0181_PID) }, 340 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0182_PID) }, 341 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0183_PID) }, 342 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0184_PID) }, 343 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0185_PID) }, 344 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0186_PID) }, 345 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0187_PID) }, 346 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0188_PID) }, 347 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0189_PID) }, 348 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018A_PID) }, 349 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018B_PID) }, 350 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018C_PID) }, 351 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018D_PID) }, 352 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018E_PID) }, 353 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_018F_PID) }, 354 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0190_PID) }, 355 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0191_PID) }, 356 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0192_PID) }, 357 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0193_PID) }, 358 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0194_PID) }, 359 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0195_PID) }, 360 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0196_PID) }, 361 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0197_PID) }, 362 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0198_PID) }, 363 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0199_PID) }, 364 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019A_PID) }, 365 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019B_PID) }, 366 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019C_PID) }, 367 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019D_PID) }, 368 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019E_PID) }, 369 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_019F_PID) }, 370 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A0_PID) }, 371 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A1_PID) }, 372 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A2_PID) }, 373 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A3_PID) }, 374 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A4_PID) }, 375 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A5_PID) }, 376 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A6_PID) }, 377 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A7_PID) }, 378 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A8_PID) }, 379 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01A9_PID) }, 380 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AA_PID) }, 381 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AB_PID) }, 382 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AC_PID) }, 383 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AD_PID) }, 384 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AE_PID) }, 385 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01AF_PID) }, 386 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B0_PID) }, 387 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B1_PID) }, 388 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B2_PID) }, 389 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B3_PID) }, 390 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B4_PID) }, 391 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B5_PID) }, 392 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B6_PID) }, 393 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B7_PID) }, 394 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B8_PID) }, 395 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01B9_PID) }, 396 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BA_PID) }, 397 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BB_PID) }, 398 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BC_PID) }, 399 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BD_PID) }, 400 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BE_PID) }, 401 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01BF_PID) }, 402 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C0_PID) }, 403 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C1_PID) }, 404 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C2_PID) }, 405 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C3_PID) }, 406 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C4_PID) }, 407 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C5_PID) }, 408 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C6_PID) }, 409 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C7_PID) }, 410 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C8_PID) }, 411 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01C9_PID) }, 412 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CA_PID) }, 413 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CB_PID) }, 414 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CC_PID) }, 415 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CD_PID) }, 416 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CE_PID) }, 417 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01CF_PID) }, 418 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D0_PID) }, 419 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D1_PID) }, 420 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D2_PID) }, 421 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D3_PID) }, 422 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D4_PID) }, 423 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D5_PID) }, 424 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D6_PID) }, 425 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D7_PID) }, 426 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D8_PID) }, 427 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01D9_PID) }, 428 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DA_PID) }, 429 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DB_PID) }, 430 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DC_PID) }, 431 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DD_PID) }, 432 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DE_PID) }, 433 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01DF_PID) }, 434 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E0_PID) }, 435 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E1_PID) }, 436 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E2_PID) }, 437 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E3_PID) }, 438 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E4_PID) }, 439 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E5_PID) }, 440 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E6_PID) }, 441 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E7_PID) }, 442 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E8_PID) }, 443 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01E9_PID) }, 444 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EA_PID) }, 445 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EB_PID) }, 446 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EC_PID) }, 447 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01ED_PID) }, 448 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EE_PID) }, 449 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01EF_PID) }, 450 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F0_PID) }, 451 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F1_PID) }, 452 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F2_PID) }, 453 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F3_PID) }, 454 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F4_PID) }, 455 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F5_PID) }, 456 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F6_PID) }, 457 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F7_PID) }, 458 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F8_PID) }, 459 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01F9_PID) }, 460 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FA_PID) }, 461 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FB_PID) }, 462 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FC_PID) }, 463 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) }, 464 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) }, 465 { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) }, 466 { USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) }, 467 { USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) }, 468 { USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) }, 469 { USB_DEVICE(FTDI_VID, FTDI_USBX_707_PID) }, 470 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2101_PID) }, 471 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2102_PID) }, 472 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2103_PID) }, 473 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2104_PID) }, 474 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2106_PID) }, 475 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_1_PID) }, 476 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2201_2_PID) }, 477 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_1_PID) }, 478 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2202_2_PID) }, 479 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_1_PID) }, 480 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2203_2_PID) }, 481 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_1_PID) }, 482 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_2_PID) }, 483 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_3_PID) }, 484 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2401_4_PID) }, 485 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_1_PID) }, 486 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_2_PID) }, 487 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_3_PID) }, 488 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2402_4_PID) }, 489 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_1_PID) }, 490 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_2_PID) }, 491 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_3_PID) }, 492 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2403_4_PID) }, 493 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_1_PID) }, 494 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_2_PID) }, 495 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_3_PID) }, 496 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_4_PID) }, 497 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_5_PID) }, 498 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_6_PID) }, 499 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_7_PID) }, 500 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2801_8_PID) }, 501 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_1_PID) }, 502 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_2_PID) }, 503 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_3_PID) }, 504 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_4_PID) }, 505 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_5_PID) }, 506 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_6_PID) }, 507 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_7_PID) }, 508 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2802_8_PID) }, 509 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_1_PID) }, 510 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_2_PID) }, 511 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_3_PID) }, 512 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_4_PID) }, 513 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_5_PID) }, 514 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) }, 515 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) }, 516 { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) }, 517 { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) }, 518 { USB_DEVICE(OCT_VID, OCT_US101_PID) }, 519 { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID), 520 .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk }, 521 { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID), 522 .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk }, 523 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) }, 524 { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) }, 525 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) }, 526 { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_4) }, 527 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E808_PID) }, 528 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E809_PID) }, 529 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80A_PID) }, 530 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80B_PID) }, 531 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80C_PID) }, 532 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80D_PID) }, 533 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80E_PID) }, 534 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E80F_PID) }, 535 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E888_PID) }, 536 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E889_PID) }, 537 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88A_PID) }, 538 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88B_PID) }, 539 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88C_PID) }, 540 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88D_PID) }, 541 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88E_PID) }, 542 { USB_DEVICE(FTDI_VID, FTDI_GUDEADS_E88F_PID) }, 543 { USB_DEVICE(FTDI_VID, FTDI_ELV_UO100_PID) }, 544 { USB_DEVICE(FTDI_VID, FTDI_ELV_UM100_PID) }, 545 { USB_DEVICE(FTDI_VID, FTDI_ELV_UR100_PID) }, 546 { USB_DEVICE(FTDI_VID, FTDI_ELV_ALC8500_PID) }, 547 { USB_DEVICE(FTDI_VID, FTDI_PYRAMID_PID) }, 548 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1000PC_PID) }, 549 { USB_DEVICE(FTDI_VID, FTDI_IBS_US485_PID) }, 550 { USB_DEVICE(FTDI_VID, FTDI_IBS_PICPRO_PID) }, 551 { USB_DEVICE(FTDI_VID, FTDI_IBS_PCMCIA_PID) }, 552 { USB_DEVICE(FTDI_VID, FTDI_IBS_PK1_PID) }, 553 { USB_DEVICE(FTDI_VID, FTDI_IBS_RS232MON_PID) }, 554 { USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) }, 555 { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) }, 556 { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) }, 557 /* 558 * ELV devices: 559 */ 560 { USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) }, 561 { USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) }, 562 { USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) }, 563 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) }, 564 { USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) }, 565 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) }, 566 { USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) }, 567 { USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) }, 568 { USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) }, 569 { USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) }, 570 { USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) }, 571 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDF77_PID) }, 572 { USB_DEVICE(FTDI_VID, FTDI_ELV_UIO88_PID) }, 573 { USB_DEVICE(FTDI_VID, FTDI_ELV_UAD8_PID) }, 574 { USB_DEVICE(FTDI_VID, FTDI_ELV_UDA7_PID) }, 575 { USB_DEVICE(FTDI_VID, FTDI_ELV_USI2_PID) }, 576 { USB_DEVICE(FTDI_VID, FTDI_ELV_T1100_PID) }, 577 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCD200_PID) }, 578 { USB_DEVICE(FTDI_VID, FTDI_ELV_ULA200_PID) }, 579 { USB_DEVICE(FTDI_VID, FTDI_ELV_CSI8_PID) }, 580 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1000DL_PID) }, 581 { USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) }, 582 { USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) }, 583 { USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) }, 584 { USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) }, 585 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) }, 586 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) }, 587 { USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) }, 588 { USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) }, 589 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) }, 590 { USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) }, 591 { USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) }, 592 { USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) }, 593 { USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) }, 594 { USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) }, 595 { USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) }, 596 { USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) }, 597 { USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) }, 598 { USB_DEVICE(FTDI_VID, LINX_FUTURE_1_PID) }, 599 { USB_DEVICE(FTDI_VID, LINX_FUTURE_2_PID) }, 600 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU20_0_PID) }, 601 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU40_1_PID) }, 602 { USB_DEVICE(FTDI_VID, FTDI_CCSMACHX_2_PID) }, 603 { USB_DEVICE(FTDI_VID, FTDI_CCSLOAD_N_GO_3_PID) }, 604 { USB_DEVICE(FTDI_VID, FTDI_CCSICDU64_4_PID) }, 605 { USB_DEVICE(FTDI_VID, FTDI_CCSPRIME8_5_PID) }, 606 { USB_DEVICE(FTDI_VID, INSIDE_ACCESSO) }, 607 { USB_DEVICE(INTREPID_VID, INTREPID_VALUECAN_PID) }, 608 { USB_DEVICE(INTREPID_VID, INTREPID_NEOVI_PID) }, 609 { USB_DEVICE(FALCOM_VID, FALCOM_TWIST_PID) }, 610 { USB_DEVICE(FALCOM_VID, FALCOM_SAMBA_PID) }, 611 { USB_DEVICE(FTDI_VID, FTDI_SUUNTO_SPORTS_PID) }, 612 { USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) }, 613 { USB_DEVICE(TTI_VID, TTI_QL355P_PID) }, 614 { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) }, 615 { USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) }, 616 { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) }, 617 { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) }, 618 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) }, 619 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4_PID) }, 620 { USB_DEVICE(BANDB_VID, BANDB_USPTL4_PID) }, 621 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_2_PID) }, 622 { USB_DEVICE(BANDB_VID, BANDB_USO9ML2DR_PID) }, 623 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR2_PID) }, 624 { USB_DEVICE(BANDB_VID, BANDB_USOPTL4DR_PID) }, 625 { USB_DEVICE(BANDB_VID, BANDB_485USB9F_2W_PID) }, 626 { USB_DEVICE(BANDB_VID, BANDB_485USB9F_4W_PID) }, 627 { USB_DEVICE(BANDB_VID, BANDB_232USB9M_PID) }, 628 { USB_DEVICE(BANDB_VID, BANDB_485USBTB_2W_PID) }, 629 { USB_DEVICE(BANDB_VID, BANDB_485USBTB_4W_PID) }, 630 { USB_DEVICE(BANDB_VID, BANDB_TTL5USB9M_PID) }, 631 { USB_DEVICE(BANDB_VID, BANDB_TTL3USB9M_PID) }, 632 { USB_DEVICE(BANDB_VID, BANDB_ZZ_PROG1_USB_PID) }, 633 { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) }, 634 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) }, 635 { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) }, 636 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) }, 637 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) }, 638 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) }, 639 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_3_PID) }, 640 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_4_PID) }, 641 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) }, 642 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) }, 643 { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) }, 644 { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) }, 645 { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) }, 646 { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) }, 647 { USB_DEVICE(FTDI_VID, FTDI_MHAM_YS_PID) }, 648 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y6_PID) }, 649 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y8_PID) }, 650 { USB_DEVICE(FTDI_VID, FTDI_MHAM_IC_PID) }, 651 { USB_DEVICE(FTDI_VID, FTDI_MHAM_DB9_PID) }, 652 { USB_DEVICE(FTDI_VID, FTDI_MHAM_RS232_PID) }, 653 { USB_DEVICE(FTDI_VID, FTDI_MHAM_Y9_PID) }, 654 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_VCP_PID) }, 655 { USB_DEVICE(FTDI_VID, FTDI_TERATRONIK_D2XX_PID) }, 656 { USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) }, 657 { USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) }, 658 { USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) }, 659 { USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) }, 660 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) }, 661 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) }, 662 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HR_PID) }, 663 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16HRC_PID) }, 664 { USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16IC_PID) }, 665 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_B1_PID) }, 666 { USB_DEVICE(KOBIL_VID, KOBIL_CONV_KAAN_PID) }, 667 { USB_DEVICE(POSIFLEX_VID, POSIFLEX_PP7000_PID) }, 668 { USB_DEVICE(FTDI_VID, FTDI_TTUSB_PID) }, 669 { USB_DEVICE(FTDI_VID, FTDI_ECLO_COM_1WIRE_PID) }, 670 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_777_PID) }, 671 { USB_DEVICE(FTDI_VID, FTDI_WESTREX_MODEL_8900F_PID) }, 672 { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) }, 673 { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) }, 674 { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) }, 675 { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) }, 676 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) }, 677 { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) }, 678 { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) }, 679 { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) }, 680 { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) }, 681 { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) }, 682 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) }, 683 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) }, 684 { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) }, 685 { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) }, 686 { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID), 687 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, 688 { USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID), 689 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, 690 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID), 691 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, 692 { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID), 693 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, 694 { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID), 695 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, 696 { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) }, 697 { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) }, 698 { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) }, 699 { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) }, 700 { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) }, 701 { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) }, 702 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) }, 703 { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID), 704 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 705 { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID), 706 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 707 { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID), 708 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 709 { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID), 710 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 711 { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID), 712 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 713 { USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID), 714 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 715 { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) }, 716 { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) }, 717 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) }, 718 { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) }, 719 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) }, 720 { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) }, 721 { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) }, 722 { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) }, 723 { USB_DEVICE(ATMEL_VID, STK541_PID) }, 724 { USB_DEVICE(DE_VID, STB_PID) }, 725 { USB_DEVICE(DE_VID, WHT_PID) }, 726 { USB_DEVICE(ADI_VID, ADI_GNICE_PID), 727 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 728 { USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID), 729 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 730 { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) }, 731 { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID), 732 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 733 { USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) }, 734 { USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) }, 735 { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) }, 736 { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID), 737 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 738 { USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) }, 739 { USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) }, 740 { USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) }, 741 { USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) }, 742 { USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) }, 743 { USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) }, 744 { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID), 745 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 746 { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID), 747 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 748 { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID), 749 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 750 { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID), 751 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 752 { USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) }, 753 { }, /* Optional parameter entry */ 754 { } /* Terminating entry */ 755 }; 756 757 MODULE_DEVICE_TABLE(usb, id_table_combined); 758 759 static struct usb_driver ftdi_driver = { 760 .name = "ftdi_sio", 761 .probe = usb_serial_probe, 762 .disconnect = usb_serial_disconnect, 763 .id_table = id_table_combined, 764 .no_dynamic_id = 1, 765 }; 766 767 static const char *ftdi_chip_name[] = { 768 [SIO] = "SIO", /* the serial part of FT8U100AX */ 769 [FT8U232AM] = "FT8U232AM", 770 [FT232BM] = "FT232BM", 771 [FT2232C] = "FT2232C", 772 [FT232RL] = "FT232RL", 773 [FT2232H] = "FT2232H", 774 [FT4232H] = "FT4232H" 775 }; 776 777 778 /* Used for TIOCMIWAIT */ 779 #define FTDI_STATUS_B0_MASK (FTDI_RS0_CTS | FTDI_RS0_DSR | FTDI_RS0_RI | FTDI_RS0_RLSD) 780 #define FTDI_STATUS_B1_MASK (FTDI_RS_BI) 781 /* End TIOCMIWAIT */ 782 783 #define FTDI_IMPL_ASYNC_FLAGS = (ASYNC_SPD_HI | ASYNC_SPD_VHI \ 784 | ASYNC_SPD_CUST | ASYNC_SPD_SHI | ASYNC_SPD_WARP) 785 786 /* function prototypes for a FTDI serial converter */ 787 static int ftdi_sio_probe(struct usb_serial *serial, 788 const struct usb_device_id *id); 789 static int ftdi_sio_port_probe(struct usb_serial_port *port); 790 static int ftdi_sio_port_remove(struct usb_serial_port *port); 791 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port); 792 static void ftdi_close(struct usb_serial_port *port); 793 static void ftdi_dtr_rts(struct usb_serial_port *port, int on); 794 static void ftdi_process_read_urb(struct urb *urb); 795 static int ftdi_prepare_write_buffer(struct usb_serial_port *port, 796 void *dest, size_t size); 797 static void ftdi_set_termios(struct tty_struct *tty, 798 struct usb_serial_port *port, struct ktermios *old); 799 static int ftdi_tiocmget(struct tty_struct *tty, struct file *file); 800 static int ftdi_tiocmset(struct tty_struct *tty, struct file *file, 801 unsigned int set, unsigned int clear); 802 static int ftdi_ioctl(struct tty_struct *tty, struct file *file, 803 unsigned int cmd, unsigned long arg); 804 static void ftdi_break_ctl(struct tty_struct *tty, int break_state); 805 806 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base); 807 static unsigned short int ftdi_232am_baud_to_divisor(int baud); 808 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base); 809 static __u32 ftdi_232bm_baud_to_divisor(int baud); 810 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base); 811 static __u32 ftdi_2232h_baud_to_divisor(int baud); 812 813 static struct usb_serial_driver ftdi_sio_device = { 814 .driver = { 815 .owner = THIS_MODULE, 816 .name = "ftdi_sio", 817 }, 818 .description = "FTDI USB Serial Device", 819 .usb_driver = &ftdi_driver, 820 .id_table = id_table_combined, 821 .num_ports = 1, 822 .bulk_in_size = 512, 823 .bulk_out_size = 256, 824 .probe = ftdi_sio_probe, 825 .port_probe = ftdi_sio_port_probe, 826 .port_remove = ftdi_sio_port_remove, 827 .open = ftdi_open, 828 .close = ftdi_close, 829 .dtr_rts = ftdi_dtr_rts, 830 .throttle = usb_serial_generic_throttle, 831 .unthrottle = usb_serial_generic_unthrottle, 832 .process_read_urb = ftdi_process_read_urb, 833 .prepare_write_buffer = ftdi_prepare_write_buffer, 834 .tiocmget = ftdi_tiocmget, 835 .tiocmset = ftdi_tiocmset, 836 .ioctl = ftdi_ioctl, 837 .set_termios = ftdi_set_termios, 838 .break_ctl = ftdi_break_ctl, 839 }; 840 841 842 #define WDR_TIMEOUT 5000 /* default urb timeout */ 843 #define WDR_SHORT_TIMEOUT 1000 /* shorter urb timeout */ 844 845 /* High and low are for DTR, RTS etc etc */ 846 #define HIGH 1 847 #define LOW 0 848 849 /* 850 * *************************************************************************** 851 * Utility functions 852 * *************************************************************************** 853 */ 854 855 static unsigned short int ftdi_232am_baud_base_to_divisor(int baud, int base) 856 { 857 unsigned short int divisor; 858 /* divisor shifted 3 bits to the left */ 859 int divisor3 = base / 2 / baud; 860 if ((divisor3 & 0x7) == 7) 861 divisor3++; /* round x.7/8 up to x+1 */ 862 divisor = divisor3 >> 3; 863 divisor3 &= 0x7; 864 if (divisor3 == 1) 865 divisor |= 0xc000; 866 else if (divisor3 >= 4) 867 divisor |= 0x4000; 868 else if (divisor3 != 0) 869 divisor |= 0x8000; 870 else if (divisor == 1) 871 divisor = 0; /* special case for maximum baud rate */ 872 return divisor; 873 } 874 875 static unsigned short int ftdi_232am_baud_to_divisor(int baud) 876 { 877 return ftdi_232am_baud_base_to_divisor(baud, 48000000); 878 } 879 880 static __u32 ftdi_232bm_baud_base_to_divisor(int baud, int base) 881 { 882 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 }; 883 __u32 divisor; 884 /* divisor shifted 3 bits to the left */ 885 int divisor3 = base / 2 / baud; 886 divisor = divisor3 >> 3; 887 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14; 888 /* Deal with special cases for highest baud rates. */ 889 if (divisor == 1) 890 divisor = 0; 891 else if (divisor == 0x4001) 892 divisor = 1; 893 return divisor; 894 } 895 896 static __u32 ftdi_232bm_baud_to_divisor(int baud) 897 { 898 return ftdi_232bm_baud_base_to_divisor(baud, 48000000); 899 } 900 901 static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base) 902 { 903 static const unsigned char divfrac[8] = { 0, 3, 2, 4, 1, 5, 6, 7 }; 904 __u32 divisor; 905 int divisor3; 906 907 /* hi-speed baud rate is 10-bit sampling instead of 16-bit */ 908 divisor3 = (base / 10 / baud) * 8; 909 910 divisor = divisor3 >> 3; 911 divisor |= (__u32)divfrac[divisor3 & 0x7] << 14; 912 /* Deal with special cases for highest baud rates. */ 913 if (divisor == 1) 914 divisor = 0; 915 else if (divisor == 0x4001) 916 divisor = 1; 917 /* 918 * Set this bit to turn off a divide by 2.5 on baud rate generator 919 * This enables baud rates up to 12Mbaud but cannot reach below 1200 920 * baud with this bit set 921 */ 922 divisor |= 0x00020000; 923 return divisor; 924 } 925 926 static __u32 ftdi_2232h_baud_to_divisor(int baud) 927 { 928 return ftdi_2232h_baud_base_to_divisor(baud, 120000000); 929 } 930 931 #define set_mctrl(port, set) update_mctrl((port), (set), 0) 932 #define clear_mctrl(port, clear) update_mctrl((port), 0, (clear)) 933 934 static int update_mctrl(struct usb_serial_port *port, unsigned int set, 935 unsigned int clear) 936 { 937 struct ftdi_private *priv = usb_get_serial_port_data(port); 938 unsigned urb_value; 939 int rv; 940 941 if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) { 942 dbg("%s - DTR|RTS not being set|cleared", __func__); 943 return 0; /* no change */ 944 } 945 946 clear &= ~set; /* 'set' takes precedence over 'clear' */ 947 urb_value = 0; 948 if (clear & TIOCM_DTR) 949 urb_value |= FTDI_SIO_SET_DTR_LOW; 950 if (clear & TIOCM_RTS) 951 urb_value |= FTDI_SIO_SET_RTS_LOW; 952 if (set & TIOCM_DTR) 953 urb_value |= FTDI_SIO_SET_DTR_HIGH; 954 if (set & TIOCM_RTS) 955 urb_value |= FTDI_SIO_SET_RTS_HIGH; 956 rv = usb_control_msg(port->serial->dev, 957 usb_sndctrlpipe(port->serial->dev, 0), 958 FTDI_SIO_SET_MODEM_CTRL_REQUEST, 959 FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE, 960 urb_value, priv->interface, 961 NULL, 0, WDR_TIMEOUT); 962 if (rv < 0) { 963 dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s", 964 __func__, 965 (set & TIOCM_DTR) ? "HIGH" : 966 (clear & TIOCM_DTR) ? "LOW" : "unchanged", 967 (set & TIOCM_RTS) ? "HIGH" : 968 (clear & TIOCM_RTS) ? "LOW" : "unchanged"); 969 } else { 970 dbg("%s - DTR %s, RTS %s", __func__, 971 (set & TIOCM_DTR) ? "HIGH" : 972 (clear & TIOCM_DTR) ? "LOW" : "unchanged", 973 (set & TIOCM_RTS) ? "HIGH" : 974 (clear & TIOCM_RTS) ? "LOW" : "unchanged"); 975 /* FIXME: locking on last_dtr_rts */ 976 priv->last_dtr_rts = (priv->last_dtr_rts & ~clear) | set; 977 } 978 return rv; 979 } 980 981 982 static __u32 get_ftdi_divisor(struct tty_struct *tty, 983 struct usb_serial_port *port) 984 { 985 struct ftdi_private *priv = usb_get_serial_port_data(port); 986 __u32 div_value = 0; 987 int div_okay = 1; 988 int baud; 989 990 /* 991 * The logic involved in setting the baudrate can be cleanly split into 992 * 3 steps. 993 * 1. Standard baud rates are set in tty->termios->c_cflag 994 * 2. If these are not enough, you can set any speed using alt_speed as 995 * follows: 996 * - set tty->termios->c_cflag speed to B38400 997 * - set your real speed in tty->alt_speed; it gets ignored when 998 * alt_speed==0, (or) 999 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as 1000 * follows: 1001 * flags & ASYNC_SPD_MASK == ASYNC_SPD_[HI, VHI, SHI, WARP], 1002 * this just sets alt_speed to (HI: 57600, VHI: 115200, 1003 * SHI: 230400, WARP: 460800) 1004 * ** Steps 1, 2 are done courtesy of tty_get_baud_rate 1005 * 3. You can also set baud rate by setting custom divisor as follows 1006 * - set tty->termios->c_cflag speed to B38400 1007 * - call TIOCSSERIAL ioctl with (struct serial_struct) set as 1008 * follows: 1009 * o flags & ASYNC_SPD_MASK == ASYNC_SPD_CUST 1010 * o custom_divisor set to baud_base / your_new_baudrate 1011 * ** Step 3 is done courtesy of code borrowed from serial.c 1012 * I should really spend some time and separate + move this common 1013 * code to serial.c, it is replicated in nearly every serial driver 1014 * you see. 1015 */ 1016 1017 /* 1. Get the baud rate from the tty settings, this observes 1018 alt_speed hack */ 1019 1020 baud = tty_get_baud_rate(tty); 1021 dbg("%s - tty_get_baud_rate reports speed %d", __func__, baud); 1022 1023 /* 2. Observe async-compatible custom_divisor hack, update baudrate 1024 if needed */ 1025 1026 if (baud == 38400 && 1027 ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) && 1028 (priv->custom_divisor)) { 1029 baud = priv->baud_base / priv->custom_divisor; 1030 dbg("%s - custom divisor %d sets baud rate to %d", 1031 __func__, priv->custom_divisor, baud); 1032 } 1033 1034 /* 3. Convert baudrate to device-specific divisor */ 1035 1036 if (!baud) 1037 baud = 9600; 1038 switch (priv->chip_type) { 1039 case SIO: /* SIO chip */ 1040 switch (baud) { 1041 case 300: div_value = ftdi_sio_b300; break; 1042 case 600: div_value = ftdi_sio_b600; break; 1043 case 1200: div_value = ftdi_sio_b1200; break; 1044 case 2400: div_value = ftdi_sio_b2400; break; 1045 case 4800: div_value = ftdi_sio_b4800; break; 1046 case 9600: div_value = ftdi_sio_b9600; break; 1047 case 19200: div_value = ftdi_sio_b19200; break; 1048 case 38400: div_value = ftdi_sio_b38400; break; 1049 case 57600: div_value = ftdi_sio_b57600; break; 1050 case 115200: div_value = ftdi_sio_b115200; break; 1051 } /* baud */ 1052 if (div_value == 0) { 1053 dbg("%s - Baudrate (%d) requested is not supported", 1054 __func__, baud); 1055 div_value = ftdi_sio_b9600; 1056 baud = 9600; 1057 div_okay = 0; 1058 } 1059 break; 1060 case FT8U232AM: /* 8U232AM chip */ 1061 if (baud <= 3000000) { 1062 div_value = ftdi_232am_baud_to_divisor(baud); 1063 } else { 1064 dbg("%s - Baud rate too high!", __func__); 1065 baud = 9600; 1066 div_value = ftdi_232am_baud_to_divisor(9600); 1067 div_okay = 0; 1068 } 1069 break; 1070 case FT232BM: /* FT232BM chip */ 1071 case FT2232C: /* FT2232C chip */ 1072 case FT232RL: 1073 if (baud <= 3000000) { 1074 __u16 product_id = le16_to_cpu( 1075 port->serial->dev->descriptor.idProduct); 1076 if (((FTDI_NDI_HUC_PID == product_id) || 1077 (FTDI_NDI_SPECTRA_SCU_PID == product_id) || 1078 (FTDI_NDI_FUTURE_2_PID == product_id) || 1079 (FTDI_NDI_FUTURE_3_PID == product_id) || 1080 (FTDI_NDI_AURORA_SCU_PID == product_id)) && 1081 (baud == 19200)) { 1082 baud = 1200000; 1083 } 1084 div_value = ftdi_232bm_baud_to_divisor(baud); 1085 } else { 1086 dbg("%s - Baud rate too high!", __func__); 1087 div_value = ftdi_232bm_baud_to_divisor(9600); 1088 div_okay = 0; 1089 baud = 9600; 1090 } 1091 break; 1092 case FT2232H: /* FT2232H chip */ 1093 case FT4232H: /* FT4232H chip */ 1094 if ((baud <= 12000000) & (baud >= 1200)) { 1095 div_value = ftdi_2232h_baud_to_divisor(baud); 1096 } else if (baud < 1200) { 1097 div_value = ftdi_232bm_baud_to_divisor(baud); 1098 } else { 1099 dbg("%s - Baud rate too high!", __func__); 1100 div_value = ftdi_232bm_baud_to_divisor(9600); 1101 div_okay = 0; 1102 baud = 9600; 1103 } 1104 break; 1105 } /* priv->chip_type */ 1106 1107 if (div_okay) { 1108 dbg("%s - Baud rate set to %d (divisor 0x%lX) on chip %s", 1109 __func__, baud, (unsigned long)div_value, 1110 ftdi_chip_name[priv->chip_type]); 1111 } 1112 1113 tty_encode_baud_rate(tty, baud, baud); 1114 return div_value; 1115 } 1116 1117 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port) 1118 { 1119 struct ftdi_private *priv = usb_get_serial_port_data(port); 1120 __u16 urb_value; 1121 __u16 urb_index; 1122 __u32 urb_index_value; 1123 int rv; 1124 1125 urb_index_value = get_ftdi_divisor(tty, port); 1126 urb_value = (__u16)urb_index_value; 1127 urb_index = (__u16)(urb_index_value >> 16); 1128 if (priv->interface) { /* FT2232C */ 1129 urb_index = (__u16)((urb_index << 8) | priv->interface); 1130 } 1131 1132 rv = usb_control_msg(port->serial->dev, 1133 usb_sndctrlpipe(port->serial->dev, 0), 1134 FTDI_SIO_SET_BAUDRATE_REQUEST, 1135 FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE, 1136 urb_value, urb_index, 1137 NULL, 0, WDR_SHORT_TIMEOUT); 1138 return rv; 1139 } 1140 1141 static int write_latency_timer(struct usb_serial_port *port) 1142 { 1143 struct ftdi_private *priv = usb_get_serial_port_data(port); 1144 struct usb_device *udev = port->serial->dev; 1145 int rv; 1146 int l = priv->latency; 1147 1148 if (priv->flags & ASYNC_LOW_LATENCY) 1149 l = 1; 1150 1151 dbg("%s: setting latency timer = %i", __func__, l); 1152 1153 rv = usb_control_msg(udev, 1154 usb_sndctrlpipe(udev, 0), 1155 FTDI_SIO_SET_LATENCY_TIMER_REQUEST, 1156 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE, 1157 l, priv->interface, 1158 NULL, 0, WDR_TIMEOUT); 1159 if (rv < 0) 1160 dev_err(&port->dev, "Unable to write latency timer: %i\n", rv); 1161 return rv; 1162 } 1163 1164 static int read_latency_timer(struct usb_serial_port *port) 1165 { 1166 struct ftdi_private *priv = usb_get_serial_port_data(port); 1167 struct usb_device *udev = port->serial->dev; 1168 unsigned char *buf; 1169 int rv; 1170 1171 dbg("%s", __func__); 1172 1173 buf = kmalloc(1, GFP_KERNEL); 1174 if (!buf) 1175 return -ENOMEM; 1176 1177 rv = usb_control_msg(udev, 1178 usb_rcvctrlpipe(udev, 0), 1179 FTDI_SIO_GET_LATENCY_TIMER_REQUEST, 1180 FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE, 1181 0, priv->interface, 1182 buf, 1, WDR_TIMEOUT); 1183 if (rv < 0) 1184 dev_err(&port->dev, "Unable to read latency timer: %i\n", rv); 1185 else 1186 priv->latency = buf[0]; 1187 1188 kfree(buf); 1189 1190 return rv; 1191 } 1192 1193 static int get_serial_info(struct usb_serial_port *port, 1194 struct serial_struct __user *retinfo) 1195 { 1196 struct ftdi_private *priv = usb_get_serial_port_data(port); 1197 struct serial_struct tmp; 1198 1199 if (!retinfo) 1200 return -EFAULT; 1201 memset(&tmp, 0, sizeof(tmp)); 1202 tmp.flags = priv->flags; 1203 tmp.baud_base = priv->baud_base; 1204 tmp.custom_divisor = priv->custom_divisor; 1205 if (copy_to_user(retinfo, &tmp, sizeof(*retinfo))) 1206 return -EFAULT; 1207 return 0; 1208 } 1209 1210 static int set_serial_info(struct tty_struct *tty, 1211 struct usb_serial_port *port, struct serial_struct __user *newinfo) 1212 { 1213 struct ftdi_private *priv = usb_get_serial_port_data(port); 1214 struct serial_struct new_serial; 1215 struct ftdi_private old_priv; 1216 1217 if (copy_from_user(&new_serial, newinfo, sizeof(new_serial))) 1218 return -EFAULT; 1219 1220 mutex_lock(&priv->cfg_lock); 1221 old_priv = *priv; 1222 1223 /* Do error checking and permission checking */ 1224 1225 if (!capable(CAP_SYS_ADMIN)) { 1226 if (((new_serial.flags & ~ASYNC_USR_MASK) != 1227 (priv->flags & ~ASYNC_USR_MASK))) { 1228 mutex_unlock(&priv->cfg_lock); 1229 return -EPERM; 1230 } 1231 priv->flags = ((priv->flags & ~ASYNC_USR_MASK) | 1232 (new_serial.flags & ASYNC_USR_MASK)); 1233 priv->custom_divisor = new_serial.custom_divisor; 1234 goto check_and_exit; 1235 } 1236 1237 if ((new_serial.baud_base != priv->baud_base) && 1238 (new_serial.baud_base < 9600)) { 1239 mutex_unlock(&priv->cfg_lock); 1240 return -EINVAL; 1241 } 1242 1243 /* Make the changes - these are privileged changes! */ 1244 1245 priv->flags = ((priv->flags & ~ASYNC_FLAGS) | 1246 (new_serial.flags & ASYNC_FLAGS)); 1247 priv->custom_divisor = new_serial.custom_divisor; 1248 1249 write_latency_timer(port); 1250 1251 check_and_exit: 1252 if ((old_priv.flags & ASYNC_SPD_MASK) != 1253 (priv->flags & ASYNC_SPD_MASK)) { 1254 if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI) 1255 tty->alt_speed = 57600; 1256 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI) 1257 tty->alt_speed = 115200; 1258 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI) 1259 tty->alt_speed = 230400; 1260 else if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP) 1261 tty->alt_speed = 460800; 1262 else 1263 tty->alt_speed = 0; 1264 } 1265 if (((old_priv.flags & ASYNC_SPD_MASK) != 1266 (priv->flags & ASYNC_SPD_MASK)) || 1267 (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) && 1268 (old_priv.custom_divisor != priv->custom_divisor))) { 1269 change_speed(tty, port); 1270 mutex_unlock(&priv->cfg_lock); 1271 } 1272 else 1273 mutex_unlock(&priv->cfg_lock); 1274 return 0; 1275 } 1276 1277 1278 /* Determine type of FTDI chip based on USB config and descriptor. */ 1279 static void ftdi_determine_type(struct usb_serial_port *port) 1280 { 1281 struct ftdi_private *priv = usb_get_serial_port_data(port); 1282 struct usb_serial *serial = port->serial; 1283 struct usb_device *udev = serial->dev; 1284 unsigned version; 1285 unsigned interfaces; 1286 1287 /* Assume it is not the original SIO device for now. */ 1288 priv->baud_base = 48000000 / 2; 1289 1290 version = le16_to_cpu(udev->descriptor.bcdDevice); 1291 interfaces = udev->actconfig->desc.bNumInterfaces; 1292 dbg("%s: bcdDevice = 0x%x, bNumInterfaces = %u", __func__, 1293 version, interfaces); 1294 if (interfaces > 1) { 1295 int inter; 1296 1297 /* Multiple interfaces.*/ 1298 if (version == 0x0800) { 1299 priv->chip_type = FT4232H; 1300 /* Hi-speed - baud clock runs at 120MHz */ 1301 priv->baud_base = 120000000 / 2; 1302 } else if (version == 0x0700) { 1303 priv->chip_type = FT2232H; 1304 /* Hi-speed - baud clock runs at 120MHz */ 1305 priv->baud_base = 120000000 / 2; 1306 } else 1307 priv->chip_type = FT2232C; 1308 1309 /* Determine interface code. */ 1310 inter = serial->interface->altsetting->desc.bInterfaceNumber; 1311 if (inter == 0) { 1312 priv->interface = INTERFACE_A; 1313 } else if (inter == 1) { 1314 priv->interface = INTERFACE_B; 1315 } else if (inter == 2) { 1316 priv->interface = INTERFACE_C; 1317 } else if (inter == 3) { 1318 priv->interface = INTERFACE_D; 1319 } 1320 /* BM-type devices have a bug where bcdDevice gets set 1321 * to 0x200 when iSerialNumber is 0. */ 1322 if (version < 0x500) { 1323 dbg("%s: something fishy - bcdDevice too low for multi-interface device", 1324 __func__); 1325 } 1326 } else if (version < 0x200) { 1327 /* Old device. Assume it's the original SIO. */ 1328 priv->chip_type = SIO; 1329 priv->baud_base = 12000000 / 16; 1330 } else if (version < 0x400) { 1331 /* Assume it's an FT8U232AM (or FT8U245AM) */ 1332 /* (It might be a BM because of the iSerialNumber bug, 1333 * but it will still work as an AM device.) */ 1334 priv->chip_type = FT8U232AM; 1335 } else if (version < 0x600) { 1336 /* Assume it's an FT232BM (or FT245BM) */ 1337 priv->chip_type = FT232BM; 1338 } else { 1339 /* Assume it's an FT232R */ 1340 priv->chip_type = FT232RL; 1341 } 1342 dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]); 1343 } 1344 1345 1346 /* Determine the maximum packet size for the device. This depends on the chip 1347 * type and the USB host capabilities. The value should be obtained from the 1348 * device descriptor as the chip will use the appropriate values for the host.*/ 1349 static void ftdi_set_max_packet_size(struct usb_serial_port *port) 1350 { 1351 struct ftdi_private *priv = usb_get_serial_port_data(port); 1352 struct usb_serial *serial = port->serial; 1353 struct usb_device *udev = serial->dev; 1354 1355 struct usb_interface *interface = serial->interface; 1356 struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc; 1357 1358 unsigned num_endpoints; 1359 int i; 1360 1361 num_endpoints = interface->cur_altsetting->desc.bNumEndpoints; 1362 dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints); 1363 1364 /* NOTE: some customers have programmed FT232R/FT245R devices 1365 * with an endpoint size of 0 - not good. In this case, we 1366 * want to override the endpoint descriptor setting and use a 1367 * value of 64 for wMaxPacketSize */ 1368 for (i = 0; i < num_endpoints; i++) { 1369 dev_info(&udev->dev, "Endpoint %d MaxPacketSize %d\n", i+1, 1370 interface->cur_altsetting->endpoint[i].desc.wMaxPacketSize); 1371 ep_desc = &interface->cur_altsetting->endpoint[i].desc; 1372 if (ep_desc->wMaxPacketSize == 0) { 1373 ep_desc->wMaxPacketSize = cpu_to_le16(0x40); 1374 dev_info(&udev->dev, "Overriding wMaxPacketSize on endpoint %d\n", i); 1375 } 1376 } 1377 1378 /* set max packet size based on descriptor */ 1379 priv->max_packet_size = ep_desc->wMaxPacketSize; 1380 1381 dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size); 1382 } 1383 1384 1385 /* 1386 * *************************************************************************** 1387 * Sysfs Attribute 1388 * *************************************************************************** 1389 */ 1390 1391 static ssize_t show_latency_timer(struct device *dev, 1392 struct device_attribute *attr, char *buf) 1393 { 1394 struct usb_serial_port *port = to_usb_serial_port(dev); 1395 struct ftdi_private *priv = usb_get_serial_port_data(port); 1396 if (priv->flags & ASYNC_LOW_LATENCY) 1397 return sprintf(buf, "1\n"); 1398 else 1399 return sprintf(buf, "%i\n", priv->latency); 1400 } 1401 1402 1403 /* Write a new value of the latency timer, in units of milliseconds. */ 1404 static ssize_t store_latency_timer(struct device *dev, 1405 struct device_attribute *attr, const char *valbuf, 1406 size_t count) 1407 { 1408 struct usb_serial_port *port = to_usb_serial_port(dev); 1409 struct ftdi_private *priv = usb_get_serial_port_data(port); 1410 int v = simple_strtoul(valbuf, NULL, 10); 1411 int rv; 1412 1413 priv->latency = v; 1414 rv = write_latency_timer(port); 1415 if (rv < 0) 1416 return -EIO; 1417 return count; 1418 } 1419 1420 /* Write an event character directly to the FTDI register. The ASCII 1421 value is in the low 8 bits, with the enable bit in the 9th bit. */ 1422 static ssize_t store_event_char(struct device *dev, 1423 struct device_attribute *attr, const char *valbuf, size_t count) 1424 { 1425 struct usb_serial_port *port = to_usb_serial_port(dev); 1426 struct ftdi_private *priv = usb_get_serial_port_data(port); 1427 struct usb_device *udev = port->serial->dev; 1428 int v = simple_strtoul(valbuf, NULL, 10); 1429 int rv; 1430 1431 dbg("%s: setting event char = %i", __func__, v); 1432 1433 rv = usb_control_msg(udev, 1434 usb_sndctrlpipe(udev, 0), 1435 FTDI_SIO_SET_EVENT_CHAR_REQUEST, 1436 FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE, 1437 v, priv->interface, 1438 NULL, 0, WDR_TIMEOUT); 1439 if (rv < 0) { 1440 dbg("Unable to write event character: %i", rv); 1441 return -EIO; 1442 } 1443 1444 return count; 1445 } 1446 1447 static DEVICE_ATTR(latency_timer, S_IWUSR | S_IRUGO, show_latency_timer, 1448 store_latency_timer); 1449 static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char); 1450 1451 static int create_sysfs_attrs(struct usb_serial_port *port) 1452 { 1453 struct ftdi_private *priv = usb_get_serial_port_data(port); 1454 int retval = 0; 1455 1456 dbg("%s", __func__); 1457 1458 /* XXX I've no idea if the original SIO supports the event_char 1459 * sysfs parameter, so I'm playing it safe. */ 1460 if (priv->chip_type != SIO) { 1461 dbg("sysfs attributes for %s", ftdi_chip_name[priv->chip_type]); 1462 retval = device_create_file(&port->dev, &dev_attr_event_char); 1463 if ((!retval) && 1464 (priv->chip_type == FT232BM || 1465 priv->chip_type == FT2232C || 1466 priv->chip_type == FT232RL || 1467 priv->chip_type == FT2232H || 1468 priv->chip_type == FT4232H)) { 1469 retval = device_create_file(&port->dev, 1470 &dev_attr_latency_timer); 1471 } 1472 } 1473 return retval; 1474 } 1475 1476 static void remove_sysfs_attrs(struct usb_serial_port *port) 1477 { 1478 struct ftdi_private *priv = usb_get_serial_port_data(port); 1479 1480 dbg("%s", __func__); 1481 1482 /* XXX see create_sysfs_attrs */ 1483 if (priv->chip_type != SIO) { 1484 device_remove_file(&port->dev, &dev_attr_event_char); 1485 if (priv->chip_type == FT232BM || 1486 priv->chip_type == FT2232C || 1487 priv->chip_type == FT232RL || 1488 priv->chip_type == FT2232H || 1489 priv->chip_type == FT4232H) { 1490 device_remove_file(&port->dev, &dev_attr_latency_timer); 1491 } 1492 } 1493 1494 } 1495 1496 /* 1497 * *************************************************************************** 1498 * FTDI driver specific functions 1499 * *************************************************************************** 1500 */ 1501 1502 /* Probe function to check for special devices */ 1503 static int ftdi_sio_probe(struct usb_serial *serial, 1504 const struct usb_device_id *id) 1505 { 1506 struct ftdi_sio_quirk *quirk = 1507 (struct ftdi_sio_quirk *)id->driver_info; 1508 1509 if (quirk && quirk->probe) { 1510 int ret = quirk->probe(serial); 1511 if (ret != 0) 1512 return ret; 1513 } 1514 1515 usb_set_serial_data(serial, (void *)id->driver_info); 1516 1517 return 0; 1518 } 1519 1520 static int ftdi_sio_port_probe(struct usb_serial_port *port) 1521 { 1522 struct ftdi_private *priv; 1523 struct ftdi_sio_quirk *quirk = usb_get_serial_data(port->serial); 1524 1525 1526 dbg("%s", __func__); 1527 1528 priv = kzalloc(sizeof(struct ftdi_private), GFP_KERNEL); 1529 if (!priv) { 1530 dev_err(&port->dev, "%s- kmalloc(%Zd) failed.\n", __func__, 1531 sizeof(struct ftdi_private)); 1532 return -ENOMEM; 1533 } 1534 1535 kref_init(&priv->kref); 1536 mutex_init(&priv->cfg_lock); 1537 init_waitqueue_head(&priv->delta_msr_wait); 1538 1539 priv->flags = ASYNC_LOW_LATENCY; 1540 1541 if (quirk && quirk->port_probe) 1542 quirk->port_probe(priv); 1543 1544 priv->port = port; 1545 usb_set_serial_port_data(port, priv); 1546 1547 ftdi_determine_type(port); 1548 ftdi_set_max_packet_size(port); 1549 if (read_latency_timer(port) < 0) 1550 priv->latency = 16; 1551 create_sysfs_attrs(port); 1552 return 0; 1553 } 1554 1555 /* Setup for the USB-UIRT device, which requires hardwired 1556 * baudrate (38400 gets mapped to 312500) */ 1557 /* Called from usbserial:serial_probe */ 1558 static void ftdi_USB_UIRT_setup(struct ftdi_private *priv) 1559 { 1560 dbg("%s", __func__); 1561 1562 priv->flags |= ASYNC_SPD_CUST; 1563 priv->custom_divisor = 77; 1564 priv->force_baud = 38400; 1565 } 1566 1567 /* Setup for the HE-TIRA1 device, which requires hardwired 1568 * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */ 1569 1570 static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv) 1571 { 1572 dbg("%s", __func__); 1573 1574 priv->flags |= ASYNC_SPD_CUST; 1575 priv->custom_divisor = 240; 1576 priv->force_baud = 38400; 1577 priv->force_rtscts = 1; 1578 } 1579 1580 /* 1581 * Module parameter to control latency timer for NDI FTDI-based USB devices. 1582 * If this value is not set in modprobe.conf.local its value will be set to 1ms. 1583 */ 1584 static int ndi_latency_timer = 1; 1585 1586 /* Setup for the NDI FTDI-based USB devices, which requires hardwired 1587 * baudrate (19200 gets mapped to 1200000). 1588 * 1589 * Called from usbserial:serial_probe. 1590 */ 1591 static int ftdi_NDI_device_setup(struct usb_serial *serial) 1592 { 1593 struct usb_device *udev = serial->dev; 1594 int latency = ndi_latency_timer; 1595 1596 if (latency == 0) 1597 latency = 1; 1598 if (latency > 99) 1599 latency = 99; 1600 1601 dbg("%s setting NDI device latency to %d", __func__, latency); 1602 dev_info(&udev->dev, "NDI device with a latency value of %d", latency); 1603 1604 /* FIXME: errors are not returned */ 1605 usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 1606 FTDI_SIO_SET_LATENCY_TIMER_REQUEST, 1607 FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE, 1608 latency, 0, NULL, 0, WDR_TIMEOUT); 1609 return 0; 1610 } 1611 1612 /* 1613 * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko 1614 * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from 1615 * userspace using openocd. 1616 */ 1617 static int ftdi_jtag_probe(struct usb_serial *serial) 1618 { 1619 struct usb_device *udev = serial->dev; 1620 struct usb_interface *interface = serial->interface; 1621 1622 dbg("%s", __func__); 1623 1624 if (interface == udev->actconfig->interface[0]) { 1625 dev_info(&udev->dev, 1626 "Ignoring serial port reserved for JTAG\n"); 1627 return -ENODEV; 1628 } 1629 1630 return 0; 1631 } 1632 1633 /* 1634 * The Matrix Orbital VK204-25-USB has an invalid IN endpoint. 1635 * We have to correct it if we want to read from it. 1636 */ 1637 static int ftdi_mtxorb_hack_setup(struct usb_serial *serial) 1638 { 1639 struct usb_host_endpoint *ep = serial->dev->ep_in[1]; 1640 struct usb_endpoint_descriptor *ep_desc = &ep->desc; 1641 1642 if (ep->enabled && ep_desc->wMaxPacketSize == 0) { 1643 ep_desc->wMaxPacketSize = cpu_to_le16(0x40); 1644 dev_info(&serial->dev->dev, 1645 "Fixing invalid wMaxPacketSize on read pipe\n"); 1646 } 1647 1648 return 0; 1649 } 1650 1651 static void ftdi_sio_priv_release(struct kref *k) 1652 { 1653 struct ftdi_private *priv = container_of(k, struct ftdi_private, kref); 1654 1655 kfree(priv); 1656 } 1657 1658 static int ftdi_sio_port_remove(struct usb_serial_port *port) 1659 { 1660 struct ftdi_private *priv = usb_get_serial_port_data(port); 1661 1662 dbg("%s", __func__); 1663 1664 remove_sysfs_attrs(port); 1665 1666 kref_put(&priv->kref, ftdi_sio_priv_release); 1667 1668 return 0; 1669 } 1670 1671 static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port) 1672 { 1673 struct usb_device *dev = port->serial->dev; 1674 struct ftdi_private *priv = usb_get_serial_port_data(port); 1675 int result; 1676 1677 dbg("%s", __func__); 1678 1679 write_latency_timer(port); 1680 1681 /* No error checking for this (will get errors later anyway) */ 1682 /* See ftdi_sio.h for description of what is reset */ 1683 usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 1684 FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE, 1685 FTDI_SIO_RESET_SIO, 1686 priv->interface, NULL, 0, WDR_TIMEOUT); 1687 1688 /* Termios defaults are set by usb_serial_init. We don't change 1689 port->tty->termios - this would lose speed settings, etc. 1690 This is same behaviour as serial.c/rs_open() - Kuba */ 1691 1692 /* ftdi_set_termios will send usb control messages */ 1693 if (tty) 1694 ftdi_set_termios(tty, port, tty->termios); 1695 1696 /* Start reading from the device */ 1697 result = usb_serial_generic_open(tty, port); 1698 if (!result) 1699 kref_get(&priv->kref); 1700 1701 return result; 1702 } 1703 1704 static void ftdi_dtr_rts(struct usb_serial_port *port, int on) 1705 { 1706 struct ftdi_private *priv = usb_get_serial_port_data(port); 1707 1708 mutex_lock(&port->serial->disc_mutex); 1709 if (!port->serial->disconnected) { 1710 /* Disable flow control */ 1711 if (!on && usb_control_msg(port->serial->dev, 1712 usb_sndctrlpipe(port->serial->dev, 0), 1713 FTDI_SIO_SET_FLOW_CTRL_REQUEST, 1714 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, 1715 0, priv->interface, NULL, 0, 1716 WDR_TIMEOUT) < 0) { 1717 dev_err(&port->dev, "error from flowcontrol urb\n"); 1718 } 1719 /* drop RTS and DTR */ 1720 if (on) 1721 set_mctrl(port, TIOCM_DTR | TIOCM_RTS); 1722 else 1723 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS); 1724 } 1725 mutex_unlock(&port->serial->disc_mutex); 1726 } 1727 1728 /* 1729 * usbserial:__serial_close only calls ftdi_close if the point is open 1730 * 1731 * This only gets called when it is the last close 1732 */ 1733 static void ftdi_close(struct usb_serial_port *port) 1734 { 1735 struct ftdi_private *priv = usb_get_serial_port_data(port); 1736 1737 dbg("%s", __func__); 1738 1739 usb_serial_generic_close(port); 1740 kref_put(&priv->kref, ftdi_sio_priv_release); 1741 } 1742 1743 /* The SIO requires the first byte to have: 1744 * B0 1 1745 * B1 0 1746 * B2..7 length of message excluding byte 0 1747 * 1748 * The new devices do not require this byte 1749 */ 1750 static int ftdi_prepare_write_buffer(struct usb_serial_port *port, 1751 void *dest, size_t size) 1752 { 1753 struct ftdi_private *priv; 1754 int count; 1755 unsigned long flags; 1756 1757 priv = usb_get_serial_port_data(port); 1758 1759 if (priv->chip_type == SIO) { 1760 unsigned char *buffer = dest; 1761 int i, len, c; 1762 1763 count = 0; 1764 spin_lock_irqsave(&port->lock, flags); 1765 for (i = 0; i < size - 1; i += priv->max_packet_size) { 1766 len = min_t(int, size - i, priv->max_packet_size) - 1; 1767 c = kfifo_out(&port->write_fifo, &buffer[i + 1], len); 1768 if (!c) 1769 break; 1770 buffer[i] = (c << 2) + 1; 1771 count += c + 1; 1772 } 1773 spin_unlock_irqrestore(&port->lock, flags); 1774 } else { 1775 count = kfifo_out_locked(&port->write_fifo, dest, size, 1776 &port->lock); 1777 } 1778 1779 return count; 1780 } 1781 1782 #define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE) 1783 1784 static int ftdi_process_packet(struct tty_struct *tty, 1785 struct usb_serial_port *port, struct ftdi_private *priv, 1786 char *packet, int len) 1787 { 1788 int i; 1789 char status; 1790 char flag; 1791 char *ch; 1792 1793 dbg("%s - port %d", __func__, port->number); 1794 1795 if (len < 2) { 1796 dbg("malformed packet"); 1797 return 0; 1798 } 1799 1800 /* Compare new line status to the old one, signal if different/ 1801 N.B. packet may be processed more than once, but differences 1802 are only processed once. */ 1803 status = packet[0] & FTDI_STATUS_B0_MASK; 1804 if (status != priv->prev_status) { 1805 priv->diff_status |= status ^ priv->prev_status; 1806 wake_up_interruptible(&priv->delta_msr_wait); 1807 priv->prev_status = status; 1808 } 1809 1810 flag = TTY_NORMAL; 1811 if (packet[1] & FTDI_RS_ERR_MASK) { 1812 /* Break takes precedence over parity, which takes precedence 1813 * over framing errors */ 1814 if (packet[1] & FTDI_RS_BI) { 1815 flag = TTY_BREAK; 1816 usb_serial_handle_break(port); 1817 } else if (packet[1] & FTDI_RS_PE) { 1818 flag = TTY_PARITY; 1819 } else if (packet[1] & FTDI_RS_FE) { 1820 flag = TTY_FRAME; 1821 } 1822 /* Overrun is special, not associated with a char */ 1823 if (packet[1] & FTDI_RS_OE) 1824 tty_insert_flip_char(tty, 0, TTY_OVERRUN); 1825 } 1826 1827 len -= 2; 1828 if (!len) 1829 return 0; /* status only */ 1830 ch = packet + 2; 1831 1832 if (port->port.console && port->sysrq) { 1833 for (i = 0; i < len; i++, ch++) { 1834 if (!usb_serial_handle_sysrq_char(tty, port, *ch)) 1835 tty_insert_flip_char(tty, *ch, flag); 1836 } 1837 } else { 1838 tty_insert_flip_string_fixed_flag(tty, ch, flag, len); 1839 } 1840 1841 return len; 1842 } 1843 1844 static void ftdi_process_read_urb(struct urb *urb) 1845 { 1846 struct usb_serial_port *port = urb->context; 1847 struct tty_struct *tty; 1848 struct ftdi_private *priv = usb_get_serial_port_data(port); 1849 char *data = (char *)urb->transfer_buffer; 1850 int i; 1851 int len; 1852 int count = 0; 1853 1854 tty = tty_port_tty_get(&port->port); 1855 if (!tty) 1856 return; 1857 1858 for (i = 0; i < urb->actual_length; i += priv->max_packet_size) { 1859 len = min_t(int, urb->actual_length - i, priv->max_packet_size); 1860 count += ftdi_process_packet(tty, port, priv, &data[i], len); 1861 } 1862 1863 if (count) 1864 tty_flip_buffer_push(tty); 1865 tty_kref_put(tty); 1866 } 1867 1868 static void ftdi_break_ctl(struct tty_struct *tty, int break_state) 1869 { 1870 struct usb_serial_port *port = tty->driver_data; 1871 struct ftdi_private *priv = usb_get_serial_port_data(port); 1872 __u16 urb_value; 1873 1874 /* break_state = -1 to turn on break, and 0 to turn off break */ 1875 /* see drivers/char/tty_io.c to see it used */ 1876 /* last_set_data_urb_value NEVER has the break bit set in it */ 1877 1878 if (break_state) 1879 urb_value = priv->last_set_data_urb_value | FTDI_SIO_SET_BREAK; 1880 else 1881 urb_value = priv->last_set_data_urb_value; 1882 1883 if (usb_control_msg(port->serial->dev, 1884 usb_sndctrlpipe(port->serial->dev, 0), 1885 FTDI_SIO_SET_DATA_REQUEST, 1886 FTDI_SIO_SET_DATA_REQUEST_TYPE, 1887 urb_value , priv->interface, 1888 NULL, 0, WDR_TIMEOUT) < 0) { 1889 dev_err(&port->dev, "%s FAILED to enable/disable break state " 1890 "(state was %d)\n", __func__, break_state); 1891 } 1892 1893 dbg("%s break state is %d - urb is %d", __func__, 1894 break_state, urb_value); 1895 1896 } 1897 1898 /* old_termios contains the original termios settings and tty->termios contains 1899 * the new setting to be used 1900 * WARNING: set_termios calls this with old_termios in kernel space 1901 */ 1902 static void ftdi_set_termios(struct tty_struct *tty, 1903 struct usb_serial_port *port, struct ktermios *old_termios) 1904 { 1905 struct usb_device *dev = port->serial->dev; 1906 struct ftdi_private *priv = usb_get_serial_port_data(port); 1907 struct ktermios *termios = tty->termios; 1908 unsigned int cflag = termios->c_cflag; 1909 __u16 urb_value; /* will hold the new flags */ 1910 1911 /* Added for xon/xoff support */ 1912 unsigned int iflag = termios->c_iflag; 1913 unsigned char vstop; 1914 unsigned char vstart; 1915 1916 dbg("%s", __func__); 1917 1918 /* Force baud rate if this device requires it, unless it is set to 1919 B0. */ 1920 if (priv->force_baud && ((termios->c_cflag & CBAUD) != B0)) { 1921 dbg("%s: forcing baud rate for this device", __func__); 1922 tty_encode_baud_rate(tty, priv->force_baud, 1923 priv->force_baud); 1924 } 1925 1926 /* Force RTS-CTS if this device requires it. */ 1927 if (priv->force_rtscts) { 1928 dbg("%s: forcing rtscts for this device", __func__); 1929 termios->c_cflag |= CRTSCTS; 1930 } 1931 1932 cflag = termios->c_cflag; 1933 1934 /* FIXME -For this cut I don't care if the line is really changing or 1935 not - so just do the change regardless - should be able to 1936 compare old_termios and tty->termios */ 1937 /* NOTE These routines can get interrupted by 1938 ftdi_sio_read_bulk_callback - need to examine what this means - 1939 don't see any problems yet */ 1940 1941 /* Set number of data bits, parity, stop bits */ 1942 1943 urb_value = 0; 1944 urb_value |= (cflag & CSTOPB ? FTDI_SIO_SET_DATA_STOP_BITS_2 : 1945 FTDI_SIO_SET_DATA_STOP_BITS_1); 1946 if (cflag & PARENB) { 1947 if (cflag & CMSPAR) 1948 urb_value |= cflag & PARODD ? 1949 FTDI_SIO_SET_DATA_PARITY_MARK : 1950 FTDI_SIO_SET_DATA_PARITY_SPACE; 1951 else 1952 urb_value |= cflag & PARODD ? 1953 FTDI_SIO_SET_DATA_PARITY_ODD : 1954 FTDI_SIO_SET_DATA_PARITY_EVEN; 1955 } else { 1956 urb_value |= FTDI_SIO_SET_DATA_PARITY_NONE; 1957 } 1958 if (cflag & CSIZE) { 1959 switch (cflag & CSIZE) { 1960 case CS7: urb_value |= 7; dbg("Setting CS7"); break; 1961 case CS8: urb_value |= 8; dbg("Setting CS8"); break; 1962 default: 1963 dev_err(&port->dev, "CSIZE was set but not CS7-CS8\n"); 1964 } 1965 } 1966 1967 /* This is needed by the break command since it uses the same command 1968 - but is or'ed with this value */ 1969 priv->last_set_data_urb_value = urb_value; 1970 1971 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 1972 FTDI_SIO_SET_DATA_REQUEST, 1973 FTDI_SIO_SET_DATA_REQUEST_TYPE, 1974 urb_value , priv->interface, 1975 NULL, 0, WDR_SHORT_TIMEOUT) < 0) { 1976 dev_err(&port->dev, "%s FAILED to set " 1977 "databits/stopbits/parity\n", __func__); 1978 } 1979 1980 /* Now do the baudrate */ 1981 if ((cflag & CBAUD) == B0) { 1982 /* Disable flow control */ 1983 if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 1984 FTDI_SIO_SET_FLOW_CTRL_REQUEST, 1985 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, 1986 0, priv->interface, 1987 NULL, 0, WDR_TIMEOUT) < 0) { 1988 dev_err(&port->dev, 1989 "%s error from disable flowcontrol urb\n", 1990 __func__); 1991 } 1992 /* Drop RTS and DTR */ 1993 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS); 1994 } else { 1995 /* set the baudrate determined before */ 1996 mutex_lock(&priv->cfg_lock); 1997 if (change_speed(tty, port)) 1998 dev_err(&port->dev, "%s urb failed to set baudrate\n", 1999 __func__); 2000 mutex_unlock(&priv->cfg_lock); 2001 /* Ensure RTS and DTR are raised when baudrate changed from 0 */ 2002 if (!old_termios || (old_termios->c_cflag & CBAUD) == B0) 2003 set_mctrl(port, TIOCM_DTR | TIOCM_RTS); 2004 } 2005 2006 /* Set flow control */ 2007 /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */ 2008 if (cflag & CRTSCTS) { 2009 dbg("%s Setting to CRTSCTS flow control", __func__); 2010 if (usb_control_msg(dev, 2011 usb_sndctrlpipe(dev, 0), 2012 FTDI_SIO_SET_FLOW_CTRL_REQUEST, 2013 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, 2014 0 , (FTDI_SIO_RTS_CTS_HS | priv->interface), 2015 NULL, 0, WDR_TIMEOUT) < 0) { 2016 dev_err(&port->dev, 2017 "urb failed to set to rts/cts flow control\n"); 2018 } 2019 2020 /* raise DTR/RTS */ 2021 set_mctrl(port, TIOCM_DTR | TIOCM_RTS); 2022 } else { 2023 /* 2024 * Xon/Xoff code 2025 * 2026 * Check the IXOFF status in the iflag component of the 2027 * termios structure. If IXOFF is not set, the pre-xon/xoff 2028 * code is executed. 2029 */ 2030 if (iflag & IXOFF) { 2031 dbg("%s request to enable xonxoff iflag=%04x", 2032 __func__, iflag); 2033 /* Try to enable the XON/XOFF on the ftdi_sio 2034 * Set the vstart and vstop -- could have been done up 2035 * above where a lot of other dereferencing is done but 2036 * that would be very inefficient as vstart and vstop 2037 * are not always needed. 2038 */ 2039 vstart = termios->c_cc[VSTART]; 2040 vstop = termios->c_cc[VSTOP]; 2041 urb_value = (vstop << 8) | (vstart); 2042 2043 if (usb_control_msg(dev, 2044 usb_sndctrlpipe(dev, 0), 2045 FTDI_SIO_SET_FLOW_CTRL_REQUEST, 2046 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, 2047 urb_value , (FTDI_SIO_XON_XOFF_HS 2048 | priv->interface), 2049 NULL, 0, WDR_TIMEOUT) < 0) { 2050 dev_err(&port->dev, "urb failed to set to " 2051 "xon/xoff flow control\n"); 2052 } 2053 } else { 2054 /* else clause to only run if cflag ! CRTSCTS and iflag 2055 * ! XOFF. CHECKME Assuming XON/XOFF handled by tty 2056 * stack - not by device */ 2057 dbg("%s Turning off hardware flow control", __func__); 2058 if (usb_control_msg(dev, 2059 usb_sndctrlpipe(dev, 0), 2060 FTDI_SIO_SET_FLOW_CTRL_REQUEST, 2061 FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE, 2062 0, priv->interface, 2063 NULL, 0, WDR_TIMEOUT) < 0) { 2064 dev_err(&port->dev, 2065 "urb failed to clear flow control\n"); 2066 } 2067 } 2068 2069 /* lower DTR/RTS */ 2070 clear_mctrl(port, TIOCM_DTR | TIOCM_RTS); 2071 } 2072 return; 2073 } 2074 2075 static int ftdi_tiocmget(struct tty_struct *tty, struct file *file) 2076 { 2077 struct usb_serial_port *port = tty->driver_data; 2078 struct ftdi_private *priv = usb_get_serial_port_data(port); 2079 unsigned char *buf; 2080 int len; 2081 int ret; 2082 2083 dbg("%s TIOCMGET", __func__); 2084 2085 buf = kmalloc(2, GFP_KERNEL); 2086 if (!buf) 2087 return -ENOMEM; 2088 /* 2089 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in 2090 * the same format as the data returned from the in point. 2091 */ 2092 switch (priv->chip_type) { 2093 case SIO: 2094 len = 1; 2095 break; 2096 case FT8U232AM: 2097 case FT232BM: 2098 case FT2232C: 2099 case FT232RL: 2100 case FT2232H: 2101 case FT4232H: 2102 len = 2; 2103 break; 2104 default: 2105 ret = -EFAULT; 2106 goto out; 2107 } 2108 2109 ret = usb_control_msg(port->serial->dev, 2110 usb_rcvctrlpipe(port->serial->dev, 0), 2111 FTDI_SIO_GET_MODEM_STATUS_REQUEST, 2112 FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE, 2113 0, priv->interface, 2114 buf, len, WDR_TIMEOUT); 2115 if (ret < 0) 2116 goto out; 2117 2118 ret = (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) | 2119 (buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) | 2120 (buf[0] & FTDI_SIO_RI_MASK ? TIOCM_RI : 0) | 2121 (buf[0] & FTDI_SIO_RLSD_MASK ? TIOCM_CD : 0) | 2122 priv->last_dtr_rts; 2123 out: 2124 kfree(buf); 2125 return ret; 2126 } 2127 2128 static int ftdi_tiocmset(struct tty_struct *tty, struct file *file, 2129 unsigned int set, unsigned int clear) 2130 { 2131 struct usb_serial_port *port = tty->driver_data; 2132 dbg("%s TIOCMSET", __func__); 2133 return update_mctrl(port, set, clear); 2134 } 2135 2136 static int ftdi_ioctl(struct tty_struct *tty, struct file *file, 2137 unsigned int cmd, unsigned long arg) 2138 { 2139 struct usb_serial_port *port = tty->driver_data; 2140 struct ftdi_private *priv = usb_get_serial_port_data(port); 2141 2142 dbg("%s cmd 0x%04x", __func__, cmd); 2143 2144 /* Based on code from acm.c and others */ 2145 switch (cmd) { 2146 2147 case TIOCGSERIAL: /* gets serial port data */ 2148 return get_serial_info(port, 2149 (struct serial_struct __user *) arg); 2150 2151 case TIOCSSERIAL: /* sets serial port data */ 2152 return set_serial_info(tty, port, 2153 (struct serial_struct __user *) arg); 2154 2155 /* 2156 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change 2157 * - mask passed in arg for lines of interest 2158 * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking) 2159 * Caller should use TIOCGICOUNT to see which one it was. 2160 * 2161 * This code is borrowed from linux/drivers/char/serial.c 2162 */ 2163 case TIOCMIWAIT: 2164 while (priv != NULL) { 2165 interruptible_sleep_on(&priv->delta_msr_wait); 2166 /* see if a signal did it */ 2167 if (signal_pending(current)) 2168 return -ERESTARTSYS; 2169 else { 2170 char diff = priv->diff_status; 2171 2172 if (diff == 0) 2173 return -EIO; /* no change => error */ 2174 2175 /* Consume all events */ 2176 priv->diff_status = 0; 2177 2178 /* Return 0 if caller wanted to know about 2179 these bits */ 2180 if (((arg & TIOCM_RNG) && (diff & FTDI_RS0_RI)) || 2181 ((arg & TIOCM_DSR) && (diff & FTDI_RS0_DSR)) || 2182 ((arg & TIOCM_CD) && (diff & FTDI_RS0_RLSD)) || 2183 ((arg & TIOCM_CTS) && (diff & FTDI_RS0_CTS))) { 2184 return 0; 2185 } 2186 /* 2187 * Otherwise caller can't care less about what 2188 * happened,and so we continue to wait for more 2189 * events. 2190 */ 2191 } 2192 } 2193 return 0; 2194 default: 2195 break; 2196 } 2197 /* This is not necessarily an error - turns out the higher layers 2198 * will do some ioctls themselves (see comment above) 2199 */ 2200 dbg("%s arg not supported - it was 0x%04x - check /usr/include/asm/ioctls.h", __func__, cmd); 2201 return -ENOIOCTLCMD; 2202 } 2203 2204 static int __init ftdi_init(void) 2205 { 2206 int retval; 2207 2208 dbg("%s", __func__); 2209 if (vendor > 0 && product > 0) { 2210 /* Add user specified VID/PID to reserved element of table. */ 2211 int i; 2212 for (i = 0; id_table_combined[i].idVendor; i++) 2213 ; 2214 id_table_combined[i].match_flags = USB_DEVICE_ID_MATCH_DEVICE; 2215 id_table_combined[i].idVendor = vendor; 2216 id_table_combined[i].idProduct = product; 2217 } 2218 retval = usb_serial_register(&ftdi_sio_device); 2219 if (retval) 2220 goto failed_sio_register; 2221 retval = usb_register(&ftdi_driver); 2222 if (retval) 2223 goto failed_usb_register; 2224 2225 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" 2226 DRIVER_DESC "\n"); 2227 return 0; 2228 failed_usb_register: 2229 usb_serial_deregister(&ftdi_sio_device); 2230 failed_sio_register: 2231 return retval; 2232 } 2233 2234 static void __exit ftdi_exit(void) 2235 { 2236 dbg("%s", __func__); 2237 2238 usb_deregister(&ftdi_driver); 2239 usb_serial_deregister(&ftdi_sio_device); 2240 } 2241 2242 2243 module_init(ftdi_init); 2244 module_exit(ftdi_exit); 2245 2246 MODULE_AUTHOR(DRIVER_AUTHOR); 2247 MODULE_DESCRIPTION(DRIVER_DESC); 2248 MODULE_LICENSE("GPL"); 2249 2250 module_param(debug, bool, S_IRUGO | S_IWUSR); 2251 MODULE_PARM_DESC(debug, "Debug enabled or not"); 2252 module_param(vendor, ushort, 0); 2253 MODULE_PARM_DESC(vendor, "User specified vendor ID (default=" 2254 __MODULE_STRING(FTDI_VID)")"); 2255 module_param(product, ushort, 0); 2256 MODULE_PARM_DESC(product, "User specified product ID"); 2257 2258 module_param(ndi_latency_timer, int, S_IRUGO | S_IWUSR); 2259 MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override"); 2260