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