1 /****************************************************************************** 2 * cxacru.c - driver for USB ADSL modems based on 3 * Conexant AccessRunner chipset 4 * 5 * Copyright (C) 2004 David Woodhouse, Duncan Sands, Roman Kagan 6 * Copyright (C) 2005 Duncan Sands, Roman Kagan (rkagan % mail ! ru) 7 * Copyright (C) 2007 Simon Arlott 8 * 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License as published by the Free 11 * Software Foundation; either version 2 of the License, or (at your option) 12 * any later version. 13 * 14 * This program is distributed in the hope that it will be useful, but WITHOUT 15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 17 * more details. 18 * 19 * You should have received a copy of the GNU General Public License along with 20 * this program; if not, write to the Free Software Foundation, Inc., 59 21 * Temple Place - Suite 330, Boston, MA 02111-1307, USA. 22 * 23 ******************************************************************************/ 24 25 /* 26 * Credit is due for Josep Comas, who created the original patch to speedtch.c 27 * to support the different padding used by the AccessRunner (now generalized 28 * into usbatm), and the userspace firmware loading utility. 29 */ 30 31 #include <linux/module.h> 32 #include <linux/moduleparam.h> 33 #include <linux/kernel.h> 34 #include <linux/timer.h> 35 #include <linux/errno.h> 36 #include <linux/slab.h> 37 #include <linux/init.h> 38 #include <linux/device.h> 39 #include <linux/firmware.h> 40 #include <linux/mutex.h> 41 #include <asm/unaligned.h> 42 43 #include "usbatm.h" 44 45 #define DRIVER_AUTHOR "Roman Kagan, David Woodhouse, Duncan Sands, Simon Arlott" 46 #define DRIVER_VERSION "0.3" 47 #define DRIVER_DESC "Conexant AccessRunner ADSL USB modem driver" 48 49 static const char cxacru_driver_name[] = "cxacru"; 50 51 #define CXACRU_EP_CMD 0x01 /* Bulk/interrupt in/out */ 52 #define CXACRU_EP_DATA 0x02 /* Bulk in/out */ 53 54 #define CMD_PACKET_SIZE 64 /* Should be maxpacket(ep)? */ 55 56 /* Addresses */ 57 #define PLLFCLK_ADDR 0x00350068 58 #define PLLBCLK_ADDR 0x0035006c 59 #define SDRAMEN_ADDR 0x00350010 60 #define FW_ADDR 0x00801000 61 #define BR_ADDR 0x00180600 62 #define SIG_ADDR 0x00180500 63 #define BR_STACK_ADDR 0x00187f10 64 65 /* Values */ 66 #define SDRAM_ENA 0x1 67 68 #define CMD_TIMEOUT 2000 /* msecs */ 69 #define POLL_INTERVAL 1 /* secs */ 70 71 /* commands for interaction with the modem through the control channel before 72 * firmware is loaded */ 73 enum cxacru_fw_request { 74 FW_CMD_ERR, 75 FW_GET_VER, 76 FW_READ_MEM, 77 FW_WRITE_MEM, 78 FW_RMW_MEM, 79 FW_CHECKSUM_MEM, 80 FW_GOTO_MEM, 81 }; 82 83 /* commands for interaction with the modem through the control channel once 84 * firmware is loaded */ 85 enum cxacru_cm_request { 86 CM_REQUEST_UNDEFINED = 0x80, 87 CM_REQUEST_TEST, 88 CM_REQUEST_CHIP_GET_MAC_ADDRESS, 89 CM_REQUEST_CHIP_GET_DP_VERSIONS, 90 CM_REQUEST_CHIP_ADSL_LINE_START, 91 CM_REQUEST_CHIP_ADSL_LINE_STOP, 92 CM_REQUEST_CHIP_ADSL_LINE_GET_STATUS, 93 CM_REQUEST_CHIP_ADSL_LINE_GET_SPEED, 94 CM_REQUEST_CARD_INFO_GET, 95 CM_REQUEST_CARD_DATA_GET, 96 CM_REQUEST_CARD_DATA_SET, 97 CM_REQUEST_COMMAND_HW_IO, 98 CM_REQUEST_INTERFACE_HW_IO, 99 CM_REQUEST_CARD_SERIAL_DATA_PATH_GET, 100 CM_REQUEST_CARD_SERIAL_DATA_PATH_SET, 101 CM_REQUEST_CARD_CONTROLLER_VERSION_GET, 102 CM_REQUEST_CARD_GET_STATUS, 103 CM_REQUEST_CARD_GET_MAC_ADDRESS, 104 CM_REQUEST_CARD_GET_DATA_LINK_STATUS, 105 CM_REQUEST_MAX, 106 }; 107 108 /* reply codes to the commands above */ 109 enum cxacru_cm_status { 110 CM_STATUS_UNDEFINED, 111 CM_STATUS_SUCCESS, 112 CM_STATUS_ERROR, 113 CM_STATUS_UNSUPPORTED, 114 CM_STATUS_UNIMPLEMENTED, 115 CM_STATUS_PARAMETER_ERROR, 116 CM_STATUS_DBG_LOOPBACK, 117 CM_STATUS_MAX, 118 }; 119 120 /* indices into CARD_INFO_GET return array */ 121 enum cxacru_info_idx { 122 CXINF_DOWNSTREAM_RATE, 123 CXINF_UPSTREAM_RATE, 124 CXINF_LINK_STATUS, 125 CXINF_LINE_STATUS, 126 CXINF_MAC_ADDRESS_HIGH, 127 CXINF_MAC_ADDRESS_LOW, 128 CXINF_UPSTREAM_SNR_MARGIN, 129 CXINF_DOWNSTREAM_SNR_MARGIN, 130 CXINF_UPSTREAM_ATTENUATION, 131 CXINF_DOWNSTREAM_ATTENUATION, 132 CXINF_TRANSMITTER_POWER, 133 CXINF_UPSTREAM_BITS_PER_FRAME, 134 CXINF_DOWNSTREAM_BITS_PER_FRAME, 135 CXINF_STARTUP_ATTEMPTS, 136 CXINF_UPSTREAM_CRC_ERRORS, 137 CXINF_DOWNSTREAM_CRC_ERRORS, 138 CXINF_UPSTREAM_FEC_ERRORS, 139 CXINF_DOWNSTREAM_FEC_ERRORS, 140 CXINF_UPSTREAM_HEC_ERRORS, 141 CXINF_DOWNSTREAM_HEC_ERRORS, 142 CXINF_LINE_STARTABLE, 143 CXINF_MODULATION, 144 CXINF_ADSL_HEADEND, 145 CXINF_ADSL_HEADEND_ENVIRONMENT, 146 CXINF_CONTROLLER_VERSION, 147 /* dunno what the missing two mean */ 148 CXINF_MAX = 0x1c, 149 }; 150 151 enum cxacru_poll_state { 152 CXPOLL_STOPPING, 153 CXPOLL_STOPPED, 154 CXPOLL_POLLING, 155 CXPOLL_SHUTDOWN 156 }; 157 158 struct cxacru_modem_type { 159 u32 pll_f_clk; 160 u32 pll_b_clk; 161 int boot_rom_patch; 162 }; 163 164 struct cxacru_data { 165 struct usbatm_data *usbatm; 166 167 const struct cxacru_modem_type *modem_type; 168 169 int line_status; 170 struct mutex adsl_state_serialize; 171 int adsl_status; 172 struct delayed_work poll_work; 173 u32 card_info[CXINF_MAX]; 174 struct mutex poll_state_serialize; 175 enum cxacru_poll_state poll_state; 176 177 /* contol handles */ 178 struct mutex cm_serialize; 179 u8 *rcv_buf; 180 u8 *snd_buf; 181 struct urb *rcv_urb; 182 struct urb *snd_urb; 183 struct completion rcv_done; 184 struct completion snd_done; 185 }; 186 187 static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm, 188 u8 *wdata, int wsize, u8 *rdata, int rsize); 189 static void cxacru_poll_status(struct work_struct *work); 190 191 /* Card info exported through sysfs */ 192 #define CXACRU__ATTR_INIT(_name) \ 193 static DEVICE_ATTR(_name, S_IRUGO, cxacru_sysfs_show_##_name, NULL) 194 195 #define CXACRU_CMD_INIT(_name) \ 196 static DEVICE_ATTR(_name, S_IWUSR | S_IRUGO, \ 197 cxacru_sysfs_show_##_name, cxacru_sysfs_store_##_name) 198 199 #define CXACRU_ATTR_INIT(_value, _type, _name) \ 200 static ssize_t cxacru_sysfs_show_##_name(struct device *dev, \ 201 struct device_attribute *attr, char *buf) \ 202 { \ 203 struct usb_interface *intf = to_usb_interface(dev); \ 204 struct usbatm_data *usbatm_instance = usb_get_intfdata(intf); \ 205 struct cxacru_data *instance = usbatm_instance->driver_data; \ 206 return cxacru_sysfs_showattr_##_type(instance->card_info[_value], buf); \ 207 } \ 208 CXACRU__ATTR_INIT(_name) 209 210 #define CXACRU_ATTR_CREATE(_v, _t, _name) CXACRU_DEVICE_CREATE_FILE(_name) 211 #define CXACRU_CMD_CREATE(_name) CXACRU_DEVICE_CREATE_FILE(_name) 212 #define CXACRU__ATTR_CREATE(_name) CXACRU_DEVICE_CREATE_FILE(_name) 213 214 #define CXACRU_ATTR_REMOVE(_v, _t, _name) CXACRU_DEVICE_REMOVE_FILE(_name) 215 #define CXACRU_CMD_REMOVE(_name) CXACRU_DEVICE_REMOVE_FILE(_name) 216 #define CXACRU__ATTR_REMOVE(_name) CXACRU_DEVICE_REMOVE_FILE(_name) 217 218 static ssize_t cxacru_sysfs_showattr_u32(u32 value, char *buf) 219 { 220 return snprintf(buf, PAGE_SIZE, "%u\n", value); 221 } 222 223 static ssize_t cxacru_sysfs_showattr_s8(s8 value, char *buf) 224 { 225 return snprintf(buf, PAGE_SIZE, "%d\n", value); 226 } 227 228 static ssize_t cxacru_sysfs_showattr_dB(s16 value, char *buf) 229 { 230 return snprintf(buf, PAGE_SIZE, "%d.%02u\n", 231 value / 100, abs(value) % 100); 232 } 233 234 static ssize_t cxacru_sysfs_showattr_bool(u32 value, char *buf) 235 { 236 static char *str[] = { "no", "yes" }; 237 if (unlikely(value >= ARRAY_SIZE(str))) 238 return snprintf(buf, PAGE_SIZE, "%u\n", value); 239 return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); 240 } 241 242 static ssize_t cxacru_sysfs_showattr_LINK(u32 value, char *buf) 243 { 244 static char *str[] = { NULL, "not connected", "connected", "lost" }; 245 if (unlikely(value >= ARRAY_SIZE(str) || str[value] == NULL)) 246 return snprintf(buf, PAGE_SIZE, "%u\n", value); 247 return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); 248 } 249 250 static ssize_t cxacru_sysfs_showattr_LINE(u32 value, char *buf) 251 { 252 static char *str[] = { "down", "attempting to activate", 253 "training", "channel analysis", "exchange", "up", 254 "waiting", "initialising" 255 }; 256 if (unlikely(value >= ARRAY_SIZE(str))) 257 return snprintf(buf, PAGE_SIZE, "%u\n", value); 258 return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); 259 } 260 261 static ssize_t cxacru_sysfs_showattr_MODU(u32 value, char *buf) 262 { 263 static char *str[] = { 264 NULL, 265 "ANSI T1.413", 266 "ITU-T G.992.1 (G.DMT)", 267 "ITU-T G.992.2 (G.LITE)" 268 }; 269 if (unlikely(value >= ARRAY_SIZE(str) || str[value] == NULL)) 270 return snprintf(buf, PAGE_SIZE, "%u\n", value); 271 return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); 272 } 273 274 /* 275 * This could use MAC_ADDRESS_HIGH and MAC_ADDRESS_LOW, but since 276 * this data is already in atm_dev there's no point. 277 * 278 * MAC_ADDRESS_HIGH = 0x????5544 279 * MAC_ADDRESS_LOW = 0x33221100 280 * Where 00-55 are bytes 0-5 of the MAC. 281 */ 282 static ssize_t cxacru_sysfs_show_mac_address(struct device *dev, 283 struct device_attribute *attr, char *buf) 284 { 285 struct usb_interface *intf = to_usb_interface(dev); 286 struct usbatm_data *usbatm_instance = usb_get_intfdata(intf); 287 struct atm_dev *atm_dev = usbatm_instance->atm_dev; 288 289 return snprintf(buf, PAGE_SIZE, "%pM\n", atm_dev->esi); 290 } 291 292 static ssize_t cxacru_sysfs_show_adsl_state(struct device *dev, 293 struct device_attribute *attr, char *buf) 294 { 295 struct usb_interface *intf = to_usb_interface(dev); 296 struct usbatm_data *usbatm_instance = usb_get_intfdata(intf); 297 struct cxacru_data *instance = usbatm_instance->driver_data; 298 u32 value = instance->card_info[CXINF_LINE_STARTABLE]; 299 300 static char *str[] = { "running", "stopped" }; 301 if (unlikely(value >= ARRAY_SIZE(str))) 302 return snprintf(buf, PAGE_SIZE, "%u\n", value); 303 return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); 304 } 305 306 static ssize_t cxacru_sysfs_store_adsl_state(struct device *dev, 307 struct device_attribute *attr, const char *buf, size_t count) 308 { 309 struct usb_interface *intf = to_usb_interface(dev); 310 struct usbatm_data *usbatm_instance = usb_get_intfdata(intf); 311 struct cxacru_data *instance = usbatm_instance->driver_data; 312 int ret; 313 int poll = -1; 314 char str_cmd[8]; 315 int len = strlen(buf); 316 317 if (!capable(CAP_NET_ADMIN)) 318 return -EACCES; 319 320 ret = sscanf(buf, "%7s", str_cmd); 321 if (ret != 1) 322 return -EINVAL; 323 ret = 0; 324 325 if (mutex_lock_interruptible(&instance->adsl_state_serialize)) 326 return -ERESTARTSYS; 327 328 if (!strcmp(str_cmd, "stop") || !strcmp(str_cmd, "restart")) { 329 ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_STOP, NULL, 0, NULL, 0); 330 if (ret < 0) { 331 atm_err(usbatm_instance, "change adsl state:" 332 " CHIP_ADSL_LINE_STOP returned %d\n", ret); 333 334 ret = -EIO; 335 } else { 336 ret = len; 337 poll = CXPOLL_STOPPED; 338 } 339 } 340 341 /* Line status is only updated every second 342 * and the device appears to only react to 343 * START/STOP every second too. Wait 1.5s to 344 * be sure that restart will have an effect. */ 345 if (!strcmp(str_cmd, "restart")) 346 msleep(1500); 347 348 if (!strcmp(str_cmd, "start") || !strcmp(str_cmd, "restart")) { 349 ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0); 350 if (ret < 0) { 351 atm_err(usbatm_instance, "change adsl state:" 352 " CHIP_ADSL_LINE_START returned %d\n", ret); 353 354 ret = -EIO; 355 } else { 356 ret = len; 357 poll = CXPOLL_POLLING; 358 } 359 } 360 361 if (!strcmp(str_cmd, "poll")) { 362 ret = len; 363 poll = CXPOLL_POLLING; 364 } 365 366 if (ret == 0) { 367 ret = -EINVAL; 368 poll = -1; 369 } 370 371 if (poll == CXPOLL_POLLING) { 372 mutex_lock(&instance->poll_state_serialize); 373 switch (instance->poll_state) { 374 case CXPOLL_STOPPED: 375 /* start polling */ 376 instance->poll_state = CXPOLL_POLLING; 377 break; 378 379 case CXPOLL_STOPPING: 380 /* abort stop request */ 381 instance->poll_state = CXPOLL_POLLING; 382 case CXPOLL_POLLING: 383 case CXPOLL_SHUTDOWN: 384 /* don't start polling */ 385 poll = -1; 386 } 387 mutex_unlock(&instance->poll_state_serialize); 388 } else if (poll == CXPOLL_STOPPED) { 389 mutex_lock(&instance->poll_state_serialize); 390 /* request stop */ 391 if (instance->poll_state == CXPOLL_POLLING) 392 instance->poll_state = CXPOLL_STOPPING; 393 mutex_unlock(&instance->poll_state_serialize); 394 } 395 396 mutex_unlock(&instance->adsl_state_serialize); 397 398 if (poll == CXPOLL_POLLING) 399 cxacru_poll_status(&instance->poll_work.work); 400 401 return ret; 402 } 403 404 /* 405 * All device attributes are included in CXACRU_ALL_FILES 406 * so that the same list can be used multiple times: 407 * INIT (define the device attributes) 408 * CREATE (create all the device files) 409 * REMOVE (remove all the device files) 410 * 411 * With the last two being defined as needed in the functions 412 * they are used in before calling CXACRU_ALL_FILES() 413 */ 414 #define CXACRU_ALL_FILES(_action) \ 415 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_RATE, u32, downstream_rate); \ 416 CXACRU_ATTR_##_action(CXINF_UPSTREAM_RATE, u32, upstream_rate); \ 417 CXACRU_ATTR_##_action(CXINF_LINK_STATUS, LINK, link_status); \ 418 CXACRU_ATTR_##_action(CXINF_LINE_STATUS, LINE, line_status); \ 419 CXACRU__ATTR_##_action( mac_address); \ 420 CXACRU_ATTR_##_action(CXINF_UPSTREAM_SNR_MARGIN, dB, upstream_snr_margin); \ 421 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_SNR_MARGIN, dB, downstream_snr_margin); \ 422 CXACRU_ATTR_##_action(CXINF_UPSTREAM_ATTENUATION, dB, upstream_attenuation); \ 423 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_ATTENUATION, dB, downstream_attenuation); \ 424 CXACRU_ATTR_##_action(CXINF_TRANSMITTER_POWER, s8, transmitter_power); \ 425 CXACRU_ATTR_##_action(CXINF_UPSTREAM_BITS_PER_FRAME, u32, upstream_bits_per_frame); \ 426 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_BITS_PER_FRAME, u32, downstream_bits_per_frame); \ 427 CXACRU_ATTR_##_action(CXINF_STARTUP_ATTEMPTS, u32, startup_attempts); \ 428 CXACRU_ATTR_##_action(CXINF_UPSTREAM_CRC_ERRORS, u32, upstream_crc_errors); \ 429 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_CRC_ERRORS, u32, downstream_crc_errors); \ 430 CXACRU_ATTR_##_action(CXINF_UPSTREAM_FEC_ERRORS, u32, upstream_fec_errors); \ 431 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_FEC_ERRORS, u32, downstream_fec_errors); \ 432 CXACRU_ATTR_##_action(CXINF_UPSTREAM_HEC_ERRORS, u32, upstream_hec_errors); \ 433 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_HEC_ERRORS, u32, downstream_hec_errors); \ 434 CXACRU_ATTR_##_action(CXINF_LINE_STARTABLE, bool, line_startable); \ 435 CXACRU_ATTR_##_action(CXINF_MODULATION, MODU, modulation); \ 436 CXACRU_ATTR_##_action(CXINF_ADSL_HEADEND, u32, adsl_headend); \ 437 CXACRU_ATTR_##_action(CXINF_ADSL_HEADEND_ENVIRONMENT, u32, adsl_headend_environment); \ 438 CXACRU_ATTR_##_action(CXINF_CONTROLLER_VERSION, u32, adsl_controller_version); \ 439 CXACRU_CMD_##_action( adsl_state); 440 441 CXACRU_ALL_FILES(INIT); 442 443 /* the following three functions are stolen from drivers/usb/core/message.c */ 444 static void cxacru_blocking_completion(struct urb *urb) 445 { 446 complete(urb->context); 447 } 448 449 static void cxacru_timeout_kill(unsigned long data) 450 { 451 usb_unlink_urb((struct urb *) data); 452 } 453 454 static int cxacru_start_wait_urb(struct urb *urb, struct completion *done, 455 int* actual_length) 456 { 457 struct timer_list timer; 458 459 init_timer(&timer); 460 timer.expires = jiffies + msecs_to_jiffies(CMD_TIMEOUT); 461 timer.data = (unsigned long) urb; 462 timer.function = cxacru_timeout_kill; 463 add_timer(&timer); 464 wait_for_completion(done); 465 del_timer_sync(&timer); 466 467 if (actual_length) 468 *actual_length = urb->actual_length; 469 return urb->status; /* must read status after completion */ 470 } 471 472 static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm, 473 u8 *wdata, int wsize, u8 *rdata, int rsize) 474 { 475 int ret, actlen; 476 int offb, offd; 477 const int stride = CMD_PACKET_SIZE - 4; 478 u8 *wbuf = instance->snd_buf; 479 u8 *rbuf = instance->rcv_buf; 480 int wbuflen = ((wsize - 1) / stride + 1) * CMD_PACKET_SIZE; 481 int rbuflen = ((rsize - 1) / stride + 1) * CMD_PACKET_SIZE; 482 483 if (wbuflen > PAGE_SIZE || rbuflen > PAGE_SIZE) { 484 if (printk_ratelimit()) 485 usb_err(instance->usbatm, "requested transfer size too large (%d, %d)\n", 486 wbuflen, rbuflen); 487 ret = -ENOMEM; 488 goto err; 489 } 490 491 mutex_lock(&instance->cm_serialize); 492 493 /* submit reading urb before the writing one */ 494 init_completion(&instance->rcv_done); 495 ret = usb_submit_urb(instance->rcv_urb, GFP_KERNEL); 496 if (ret < 0) { 497 if (printk_ratelimit()) 498 usb_err(instance->usbatm, "submit of read urb for cm %#x failed (%d)\n", 499 cm, ret); 500 goto fail; 501 } 502 503 memset(wbuf, 0, wbuflen); 504 /* handle wsize == 0 */ 505 wbuf[0] = cm; 506 for (offb = offd = 0; offd < wsize; offd += stride, offb += CMD_PACKET_SIZE) { 507 wbuf[offb] = cm; 508 memcpy(wbuf + offb + 4, wdata + offd, min_t(int, stride, wsize - offd)); 509 } 510 511 instance->snd_urb->transfer_buffer_length = wbuflen; 512 init_completion(&instance->snd_done); 513 ret = usb_submit_urb(instance->snd_urb, GFP_KERNEL); 514 if (ret < 0) { 515 if (printk_ratelimit()) 516 usb_err(instance->usbatm, "submit of write urb for cm %#x failed (%d)\n", 517 cm, ret); 518 goto fail; 519 } 520 521 ret = cxacru_start_wait_urb(instance->snd_urb, &instance->snd_done, NULL); 522 if (ret < 0) { 523 if (printk_ratelimit()) 524 usb_err(instance->usbatm, "send of cm %#x failed (%d)\n", cm, ret); 525 goto fail; 526 } 527 528 ret = cxacru_start_wait_urb(instance->rcv_urb, &instance->rcv_done, &actlen); 529 if (ret < 0) { 530 if (printk_ratelimit()) 531 usb_err(instance->usbatm, "receive of cm %#x failed (%d)\n", cm, ret); 532 goto fail; 533 } 534 if (actlen % CMD_PACKET_SIZE || !actlen) { 535 if (printk_ratelimit()) 536 usb_err(instance->usbatm, "invalid response length to cm %#x: %d\n", 537 cm, actlen); 538 ret = -EIO; 539 goto fail; 540 } 541 542 /* check the return status and copy the data to the output buffer, if needed */ 543 for (offb = offd = 0; offd < rsize && offb < actlen; offb += CMD_PACKET_SIZE) { 544 if (rbuf[offb] != cm) { 545 if (printk_ratelimit()) 546 usb_err(instance->usbatm, "wrong cm %#x in response to cm %#x\n", 547 rbuf[offb], cm); 548 ret = -EIO; 549 goto fail; 550 } 551 if (rbuf[offb + 1] != CM_STATUS_SUCCESS) { 552 if (printk_ratelimit()) 553 usb_err(instance->usbatm, "response to cm %#x failed: %#x\n", 554 cm, rbuf[offb + 1]); 555 ret = -EIO; 556 goto fail; 557 } 558 if (offd >= rsize) 559 break; 560 memcpy(rdata + offd, rbuf + offb + 4, min_t(int, stride, rsize - offd)); 561 offd += stride; 562 } 563 564 ret = offd; 565 dbg("cm %#x", cm); 566 fail: 567 mutex_unlock(&instance->cm_serialize); 568 err: 569 return ret; 570 } 571 572 static int cxacru_cm_get_array(struct cxacru_data *instance, enum cxacru_cm_request cm, 573 u32 *data, int size) 574 { 575 int ret, len; 576 __le32 *buf; 577 int offb, offd; 578 const int stride = CMD_PACKET_SIZE / (4 * 2) - 1; 579 int buflen = ((size - 1) / stride + 1 + size * 2) * 4; 580 581 buf = kmalloc(buflen, GFP_KERNEL); 582 if (!buf) 583 return -ENOMEM; 584 585 ret = cxacru_cm(instance, cm, NULL, 0, (u8 *) buf, buflen); 586 if (ret < 0) 587 goto cleanup; 588 589 /* len > 0 && len % 4 == 0 guaranteed by cxacru_cm() */ 590 len = ret / 4; 591 for (offb = 0; offb < len; ) { 592 int l = le32_to_cpu(buf[offb++]); 593 if (l > stride || l > (len - offb) / 2) { 594 if (printk_ratelimit()) 595 usb_err(instance->usbatm, "invalid data length from cm %#x: %d\n", 596 cm, l); 597 ret = -EIO; 598 goto cleanup; 599 } 600 while (l--) { 601 offd = le32_to_cpu(buf[offb++]); 602 if (offd >= size) { 603 if (printk_ratelimit()) 604 usb_err(instance->usbatm, "wrong index %#x in response to cm %#x\n", 605 offd, cm); 606 ret = -EIO; 607 goto cleanup; 608 } 609 data[offd] = le32_to_cpu(buf[offb++]); 610 } 611 } 612 613 ret = 0; 614 615 cleanup: 616 kfree(buf); 617 return ret; 618 } 619 620 static int cxacru_card_status(struct cxacru_data *instance) 621 { 622 int ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0); 623 if (ret < 0) { /* firmware not loaded */ 624 dbg("cxacru_adsl_start: CARD_GET_STATUS returned %d", ret); 625 return ret; 626 } 627 return 0; 628 } 629 630 static void cxacru_remove_device_files(struct usbatm_data *usbatm_instance, 631 struct atm_dev *atm_dev) 632 { 633 struct usb_interface *intf = usbatm_instance->usb_intf; 634 635 #define CXACRU_DEVICE_REMOVE_FILE(_name) \ 636 device_remove_file(&intf->dev, &dev_attr_##_name); 637 CXACRU_ALL_FILES(REMOVE); 638 #undef CXACRU_DEVICE_REMOVE_FILE 639 } 640 641 static int cxacru_atm_start(struct usbatm_data *usbatm_instance, 642 struct atm_dev *atm_dev) 643 { 644 struct cxacru_data *instance = usbatm_instance->driver_data; 645 struct usb_interface *intf = usbatm_instance->usb_intf; 646 /* 647 struct atm_dev *atm_dev = usbatm_instance->atm_dev; 648 */ 649 int ret; 650 int start_polling = 1; 651 652 dbg("cxacru_atm_start"); 653 654 /* Read MAC address */ 655 ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_MAC_ADDRESS, NULL, 0, 656 atm_dev->esi, sizeof(atm_dev->esi)); 657 if (ret < 0) { 658 atm_err(usbatm_instance, "cxacru_atm_start: CARD_GET_MAC_ADDRESS returned %d\n", ret); 659 return ret; 660 } 661 662 #define CXACRU_DEVICE_CREATE_FILE(_name) \ 663 ret = device_create_file(&intf->dev, &dev_attr_##_name); \ 664 if (unlikely(ret)) \ 665 goto fail_sysfs; 666 CXACRU_ALL_FILES(CREATE); 667 #undef CXACRU_DEVICE_CREATE_FILE 668 669 /* start ADSL */ 670 mutex_lock(&instance->adsl_state_serialize); 671 ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0); 672 if (ret < 0) 673 atm_err(usbatm_instance, "cxacru_atm_start: CHIP_ADSL_LINE_START returned %d\n", ret); 674 675 /* Start status polling */ 676 mutex_lock(&instance->poll_state_serialize); 677 switch (instance->poll_state) { 678 case CXPOLL_STOPPED: 679 /* start polling */ 680 instance->poll_state = CXPOLL_POLLING; 681 break; 682 683 case CXPOLL_STOPPING: 684 /* abort stop request */ 685 instance->poll_state = CXPOLL_POLLING; 686 case CXPOLL_POLLING: 687 case CXPOLL_SHUTDOWN: 688 /* don't start polling */ 689 start_polling = 0; 690 } 691 mutex_unlock(&instance->poll_state_serialize); 692 mutex_unlock(&instance->adsl_state_serialize); 693 694 if (start_polling) 695 cxacru_poll_status(&instance->poll_work.work); 696 return 0; 697 698 fail_sysfs: 699 usb_err(usbatm_instance, "cxacru_atm_start: device_create_file failed (%d)\n", ret); 700 cxacru_remove_device_files(usbatm_instance, atm_dev); 701 return ret; 702 } 703 704 static void cxacru_poll_status(struct work_struct *work) 705 { 706 struct cxacru_data *instance = 707 container_of(work, struct cxacru_data, poll_work.work); 708 u32 buf[CXINF_MAX] = {}; 709 struct usbatm_data *usbatm = instance->usbatm; 710 struct atm_dev *atm_dev = usbatm->atm_dev; 711 int keep_polling = 1; 712 int ret; 713 714 ret = cxacru_cm_get_array(instance, CM_REQUEST_CARD_INFO_GET, buf, CXINF_MAX); 715 if (ret < 0) { 716 if (ret != -ESHUTDOWN) 717 atm_warn(usbatm, "poll status: error %d\n", ret); 718 719 mutex_lock(&instance->poll_state_serialize); 720 if (instance->poll_state != CXPOLL_SHUTDOWN) { 721 instance->poll_state = CXPOLL_STOPPED; 722 723 if (ret != -ESHUTDOWN) 724 atm_warn(usbatm, "polling disabled, set adsl_state" 725 " to 'start' or 'poll' to resume\n"); 726 } 727 mutex_unlock(&instance->poll_state_serialize); 728 goto reschedule; 729 } 730 731 memcpy(instance->card_info, buf, sizeof(instance->card_info)); 732 733 if (instance->adsl_status != buf[CXINF_LINE_STARTABLE]) { 734 instance->adsl_status = buf[CXINF_LINE_STARTABLE]; 735 736 switch (instance->adsl_status) { 737 case 0: 738 atm_printk(KERN_INFO, usbatm, "ADSL state: running\n"); 739 break; 740 741 case 1: 742 atm_printk(KERN_INFO, usbatm, "ADSL state: stopped\n"); 743 break; 744 745 default: 746 atm_printk(KERN_INFO, usbatm, "Unknown adsl status %02x\n", instance->adsl_status); 747 break; 748 } 749 } 750 751 if (instance->line_status == buf[CXINF_LINE_STATUS]) 752 goto reschedule; 753 754 instance->line_status = buf[CXINF_LINE_STATUS]; 755 switch (instance->line_status) { 756 case 0: 757 atm_dev->signal = ATM_PHY_SIG_LOST; 758 atm_info(usbatm, "ADSL line: down\n"); 759 break; 760 761 case 1: 762 atm_dev->signal = ATM_PHY_SIG_LOST; 763 atm_info(usbatm, "ADSL line: attempting to activate\n"); 764 break; 765 766 case 2: 767 atm_dev->signal = ATM_PHY_SIG_LOST; 768 atm_info(usbatm, "ADSL line: training\n"); 769 break; 770 771 case 3: 772 atm_dev->signal = ATM_PHY_SIG_LOST; 773 atm_info(usbatm, "ADSL line: channel analysis\n"); 774 break; 775 776 case 4: 777 atm_dev->signal = ATM_PHY_SIG_LOST; 778 atm_info(usbatm, "ADSL line: exchange\n"); 779 break; 780 781 case 5: 782 atm_dev->link_rate = buf[CXINF_DOWNSTREAM_RATE] * 1000 / 424; 783 atm_dev->signal = ATM_PHY_SIG_FOUND; 784 785 atm_info(usbatm, "ADSL line: up (%d kb/s down | %d kb/s up)\n", 786 buf[CXINF_DOWNSTREAM_RATE], buf[CXINF_UPSTREAM_RATE]); 787 break; 788 789 case 6: 790 atm_dev->signal = ATM_PHY_SIG_LOST; 791 atm_info(usbatm, "ADSL line: waiting\n"); 792 break; 793 794 case 7: 795 atm_dev->signal = ATM_PHY_SIG_LOST; 796 atm_info(usbatm, "ADSL line: initializing\n"); 797 break; 798 799 default: 800 atm_dev->signal = ATM_PHY_SIG_UNKNOWN; 801 atm_info(usbatm, "Unknown line state %02x\n", instance->line_status); 802 break; 803 } 804 reschedule: 805 806 mutex_lock(&instance->poll_state_serialize); 807 if (instance->poll_state == CXPOLL_STOPPING && 808 instance->adsl_status == 1 && /* stopped */ 809 instance->line_status == 0) /* down */ 810 instance->poll_state = CXPOLL_STOPPED; 811 812 if (instance->poll_state == CXPOLL_STOPPED) 813 keep_polling = 0; 814 mutex_unlock(&instance->poll_state_serialize); 815 816 if (keep_polling) 817 schedule_delayed_work(&instance->poll_work, 818 round_jiffies_relative(POLL_INTERVAL*HZ)); 819 } 820 821 static int cxacru_fw(struct usb_device *usb_dev, enum cxacru_fw_request fw, 822 u8 code1, u8 code2, u32 addr, const u8 *data, int size) 823 { 824 int ret; 825 u8 *buf; 826 int offd, offb; 827 const int stride = CMD_PACKET_SIZE - 8; 828 829 buf = (u8 *) __get_free_page(GFP_KERNEL); 830 if (!buf) 831 return -ENOMEM; 832 833 offb = offd = 0; 834 do { 835 int l = min_t(int, stride, size - offd); 836 buf[offb++] = fw; 837 buf[offb++] = l; 838 buf[offb++] = code1; 839 buf[offb++] = code2; 840 put_unaligned(cpu_to_le32(addr), (__le32 *)(buf + offb)); 841 offb += 4; 842 addr += l; 843 if(l) 844 memcpy(buf + offb, data + offd, l); 845 if (l < stride) 846 memset(buf + offb + l, 0, stride - l); 847 offb += stride; 848 offd += stride; 849 if ((offb >= PAGE_SIZE) || (offd >= size)) { 850 ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_CMD), 851 buf, offb, NULL, CMD_TIMEOUT); 852 if (ret < 0) { 853 dbg("sending fw %#x failed", fw); 854 goto cleanup; 855 } 856 offb = 0; 857 } 858 } while(offd < size); 859 dbg("sent fw %#x", fw); 860 861 ret = 0; 862 863 cleanup: 864 free_page((unsigned long) buf); 865 return ret; 866 } 867 868 static void cxacru_upload_firmware(struct cxacru_data *instance, 869 const struct firmware *fw, 870 const struct firmware *bp, 871 const struct firmware *cf) 872 { 873 int ret; 874 int off; 875 struct usbatm_data *usbatm = instance->usbatm; 876 struct usb_device *usb_dev = usbatm->usb_dev; 877 __le16 signature[] = { usb_dev->descriptor.idVendor, 878 usb_dev->descriptor.idProduct }; 879 __le32 val; 880 881 dbg("cxacru_upload_firmware"); 882 883 /* FirmwarePllFClkValue */ 884 val = cpu_to_le32(instance->modem_type->pll_f_clk); 885 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLFCLK_ADDR, (u8 *) &val, 4); 886 if (ret) { 887 usb_err(usbatm, "FirmwarePllFClkValue failed: %d\n", ret); 888 return; 889 } 890 891 /* FirmwarePllBClkValue */ 892 val = cpu_to_le32(instance->modem_type->pll_b_clk); 893 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLBCLK_ADDR, (u8 *) &val, 4); 894 if (ret) { 895 usb_err(usbatm, "FirmwarePllBClkValue failed: %d\n", ret); 896 return; 897 } 898 899 /* Enable SDRAM */ 900 val = cpu_to_le32(SDRAM_ENA); 901 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SDRAMEN_ADDR, (u8 *) &val, 4); 902 if (ret) { 903 usb_err(usbatm, "Enable SDRAM failed: %d\n", ret); 904 return; 905 } 906 907 /* Firmware */ 908 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, FW_ADDR, fw->data, fw->size); 909 if (ret) { 910 usb_err(usbatm, "Firmware upload failed: %d\n", ret); 911 return; 912 } 913 914 /* Boot ROM patch */ 915 if (instance->modem_type->boot_rom_patch) { 916 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_ADDR, bp->data, bp->size); 917 if (ret) { 918 usb_err(usbatm, "Boot ROM patching failed: %d\n", ret); 919 return; 920 } 921 } 922 923 /* Signature */ 924 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SIG_ADDR, (u8 *) signature, 4); 925 if (ret) { 926 usb_err(usbatm, "Signature storing failed: %d\n", ret); 927 return; 928 } 929 930 if (instance->modem_type->boot_rom_patch) { 931 val = cpu_to_le32(BR_ADDR); 932 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_STACK_ADDR, (u8 *) &val, 4); 933 } 934 else { 935 ret = cxacru_fw(usb_dev, FW_GOTO_MEM, 0x0, 0x0, FW_ADDR, NULL, 0); 936 } 937 if (ret) { 938 usb_err(usbatm, "Passing control to firmware failed: %d\n", ret); 939 return; 940 } 941 942 /* Delay to allow firmware to start up. */ 943 msleep_interruptible(1000); 944 945 usb_clear_halt(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_CMD)); 946 usb_clear_halt(usb_dev, usb_rcvbulkpipe(usb_dev, CXACRU_EP_CMD)); 947 usb_clear_halt(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_DATA)); 948 usb_clear_halt(usb_dev, usb_rcvbulkpipe(usb_dev, CXACRU_EP_DATA)); 949 950 ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0); 951 if (ret < 0) { 952 usb_err(usbatm, "modem failed to initialize: %d\n", ret); 953 return; 954 } 955 956 /* Load config data (le32), doing one packet at a time */ 957 if (cf) 958 for (off = 0; off < cf->size / 4; ) { 959 __le32 buf[CMD_PACKET_SIZE / 4 - 1]; 960 int i, len = min_t(int, cf->size / 4 - off, CMD_PACKET_SIZE / 4 / 2 - 1); 961 buf[0] = cpu_to_le32(len); 962 for (i = 0; i < len; i++, off++) { 963 buf[i * 2 + 1] = cpu_to_le32(off); 964 memcpy(buf + i * 2 + 2, cf->data + off * 4, 4); 965 } 966 ret = cxacru_cm(instance, CM_REQUEST_CARD_DATA_SET, 967 (u8 *) buf, len, NULL, 0); 968 if (ret < 0) { 969 usb_err(usbatm, "load config data failed: %d\n", ret); 970 return; 971 } 972 } 973 974 msleep_interruptible(4000); 975 } 976 977 static int cxacru_find_firmware(struct cxacru_data *instance, 978 char* phase, const struct firmware **fw_p) 979 { 980 struct usbatm_data *usbatm = instance->usbatm; 981 struct device *dev = &usbatm->usb_intf->dev; 982 char buf[16]; 983 984 sprintf(buf, "cxacru-%s.bin", phase); 985 dbg("cxacru_find_firmware: looking for %s", buf); 986 987 if (request_firmware(fw_p, buf, dev)) { 988 usb_dbg(usbatm, "no stage %s firmware found\n", phase); 989 return -ENOENT; 990 } 991 992 usb_info(usbatm, "found firmware %s\n", buf); 993 994 return 0; 995 } 996 997 static int cxacru_heavy_init(struct usbatm_data *usbatm_instance, 998 struct usb_interface *usb_intf) 999 { 1000 const struct firmware *fw, *bp, *cf; 1001 struct cxacru_data *instance = usbatm_instance->driver_data; 1002 1003 int ret = cxacru_find_firmware(instance, "fw", &fw); 1004 if (ret) { 1005 usb_warn(usbatm_instance, "firmware (cxacru-fw.bin) unavailable (system misconfigured?)\n"); 1006 return ret; 1007 } 1008 1009 if (instance->modem_type->boot_rom_patch) { 1010 ret = cxacru_find_firmware(instance, "bp", &bp); 1011 if (ret) { 1012 usb_warn(usbatm_instance, "boot ROM patch (cxacru-bp.bin) unavailable (system misconfigured?)\n"); 1013 release_firmware(fw); 1014 return ret; 1015 } 1016 } 1017 1018 if (cxacru_find_firmware(instance, "cf", &cf)) /* optional */ 1019 cf = NULL; 1020 1021 cxacru_upload_firmware(instance, fw, bp, cf); 1022 1023 if (cf) 1024 release_firmware(cf); 1025 if (instance->modem_type->boot_rom_patch) 1026 release_firmware(bp); 1027 release_firmware(fw); 1028 1029 ret = cxacru_card_status(instance); 1030 if (ret) 1031 dbg("modem initialisation failed"); 1032 else 1033 dbg("done setting up the modem"); 1034 1035 return ret; 1036 } 1037 1038 static int cxacru_bind(struct usbatm_data *usbatm_instance, 1039 struct usb_interface *intf, const struct usb_device_id *id) 1040 { 1041 struct cxacru_data *instance; 1042 struct usb_device *usb_dev = interface_to_usbdev(intf); 1043 int ret; 1044 1045 /* instance init */ 1046 instance = kzalloc(sizeof(*instance), GFP_KERNEL); 1047 if (!instance) { 1048 dbg("cxacru_bind: no memory for instance data"); 1049 return -ENOMEM; 1050 } 1051 1052 instance->usbatm = usbatm_instance; 1053 instance->modem_type = (struct cxacru_modem_type *) id->driver_info; 1054 1055 mutex_init(&instance->poll_state_serialize); 1056 instance->poll_state = CXPOLL_STOPPED; 1057 instance->line_status = -1; 1058 instance->adsl_status = -1; 1059 1060 mutex_init(&instance->adsl_state_serialize); 1061 1062 instance->rcv_buf = (u8 *) __get_free_page(GFP_KERNEL); 1063 if (!instance->rcv_buf) { 1064 dbg("cxacru_bind: no memory for rcv_buf"); 1065 ret = -ENOMEM; 1066 goto fail; 1067 } 1068 instance->snd_buf = (u8 *) __get_free_page(GFP_KERNEL); 1069 if (!instance->snd_buf) { 1070 dbg("cxacru_bind: no memory for snd_buf"); 1071 ret = -ENOMEM; 1072 goto fail; 1073 } 1074 instance->rcv_urb = usb_alloc_urb(0, GFP_KERNEL); 1075 if (!instance->rcv_urb) { 1076 dbg("cxacru_bind: no memory for rcv_urb"); 1077 ret = -ENOMEM; 1078 goto fail; 1079 } 1080 instance->snd_urb = usb_alloc_urb(0, GFP_KERNEL); 1081 if (!instance->snd_urb) { 1082 dbg("cxacru_bind: no memory for snd_urb"); 1083 ret = -ENOMEM; 1084 goto fail; 1085 } 1086 1087 usb_fill_int_urb(instance->rcv_urb, 1088 usb_dev, usb_rcvintpipe(usb_dev, CXACRU_EP_CMD), 1089 instance->rcv_buf, PAGE_SIZE, 1090 cxacru_blocking_completion, &instance->rcv_done, 1); 1091 1092 usb_fill_int_urb(instance->snd_urb, 1093 usb_dev, usb_sndintpipe(usb_dev, CXACRU_EP_CMD), 1094 instance->snd_buf, PAGE_SIZE, 1095 cxacru_blocking_completion, &instance->snd_done, 4); 1096 1097 mutex_init(&instance->cm_serialize); 1098 1099 INIT_DELAYED_WORK(&instance->poll_work, cxacru_poll_status); 1100 1101 usbatm_instance->driver_data = instance; 1102 1103 usbatm_instance->flags = (cxacru_card_status(instance) ? 0 : UDSL_SKIP_HEAVY_INIT); 1104 1105 return 0; 1106 1107 fail: 1108 free_page((unsigned long) instance->snd_buf); 1109 free_page((unsigned long) instance->rcv_buf); 1110 usb_free_urb(instance->snd_urb); 1111 usb_free_urb(instance->rcv_urb); 1112 kfree(instance); 1113 1114 return ret; 1115 } 1116 1117 static void cxacru_unbind(struct usbatm_data *usbatm_instance, 1118 struct usb_interface *intf) 1119 { 1120 struct cxacru_data *instance = usbatm_instance->driver_data; 1121 int is_polling = 1; 1122 1123 dbg("cxacru_unbind entered"); 1124 1125 if (!instance) { 1126 dbg("cxacru_unbind: NULL instance!"); 1127 return; 1128 } 1129 1130 mutex_lock(&instance->poll_state_serialize); 1131 BUG_ON(instance->poll_state == CXPOLL_SHUTDOWN); 1132 1133 /* ensure that status polling continues unless 1134 * it has already stopped */ 1135 if (instance->poll_state == CXPOLL_STOPPED) 1136 is_polling = 0; 1137 1138 /* stop polling from being stopped or started */ 1139 instance->poll_state = CXPOLL_SHUTDOWN; 1140 mutex_unlock(&instance->poll_state_serialize); 1141 1142 if (is_polling) 1143 cancel_rearming_delayed_work(&instance->poll_work); 1144 1145 usb_kill_urb(instance->snd_urb); 1146 usb_kill_urb(instance->rcv_urb); 1147 usb_free_urb(instance->snd_urb); 1148 usb_free_urb(instance->rcv_urb); 1149 1150 free_page((unsigned long) instance->snd_buf); 1151 free_page((unsigned long) instance->rcv_buf); 1152 1153 kfree(instance); 1154 1155 usbatm_instance->driver_data = NULL; 1156 } 1157 1158 static const struct cxacru_modem_type cxacru_cafe = { 1159 .pll_f_clk = 0x02d874df, 1160 .pll_b_clk = 0x0196a51a, 1161 .boot_rom_patch = 1, 1162 }; 1163 1164 static const struct cxacru_modem_type cxacru_cb00 = { 1165 .pll_f_clk = 0x5, 1166 .pll_b_clk = 0x3, 1167 .boot_rom_patch = 0, 1168 }; 1169 1170 static const struct usb_device_id cxacru_usb_ids[] = { 1171 { /* V = Conexant P = ADSL modem (Euphrates project) */ 1172 USB_DEVICE(0x0572, 0xcafe), .driver_info = (unsigned long) &cxacru_cafe 1173 }, 1174 { /* V = Conexant P = ADSL modem (Hasbani project) */ 1175 USB_DEVICE(0x0572, 0xcb00), .driver_info = (unsigned long) &cxacru_cb00 1176 }, 1177 { /* V = Conexant P = ADSL modem */ 1178 USB_DEVICE(0x0572, 0xcb01), .driver_info = (unsigned long) &cxacru_cb00 1179 }, 1180 { /* V = Conexant P = ADSL modem (Well PTI-800) */ 1181 USB_DEVICE(0x0572, 0xcb02), .driver_info = (unsigned long) &cxacru_cb00 1182 }, 1183 { /* V = Conexant P = ADSL modem */ 1184 USB_DEVICE(0x0572, 0xcb06), .driver_info = (unsigned long) &cxacru_cb00 1185 }, 1186 { /* V = Conexant P = ADSL modem (ZTE ZXDSL 852) */ 1187 USB_DEVICE(0x0572, 0xcb07), .driver_info = (unsigned long) &cxacru_cb00 1188 }, 1189 { /* V = Olitec P = ADSL modem version 2 */ 1190 USB_DEVICE(0x08e3, 0x0100), .driver_info = (unsigned long) &cxacru_cafe 1191 }, 1192 { /* V = Olitec P = ADSL modem version 3 */ 1193 USB_DEVICE(0x08e3, 0x0102), .driver_info = (unsigned long) &cxacru_cb00 1194 }, 1195 { /* V = Trust/Amigo Technology Co. P = AMX-CA86U */ 1196 USB_DEVICE(0x0eb0, 0x3457), .driver_info = (unsigned long) &cxacru_cafe 1197 }, 1198 { /* V = Zoom P = 5510 */ 1199 USB_DEVICE(0x1803, 0x5510), .driver_info = (unsigned long) &cxacru_cb00 1200 }, 1201 { /* V = Draytek P = Vigor 318 */ 1202 USB_DEVICE(0x0675, 0x0200), .driver_info = (unsigned long) &cxacru_cb00 1203 }, 1204 { /* V = Zyxel P = 630-C1 aka OMNI ADSL USB (Annex A) */ 1205 USB_DEVICE(0x0586, 0x330a), .driver_info = (unsigned long) &cxacru_cb00 1206 }, 1207 { /* V = Zyxel P = 630-C3 aka OMNI ADSL USB (Annex B) */ 1208 USB_DEVICE(0x0586, 0x330b), .driver_info = (unsigned long) &cxacru_cb00 1209 }, 1210 { /* V = Aethra P = Starmodem UM1020 */ 1211 USB_DEVICE(0x0659, 0x0020), .driver_info = (unsigned long) &cxacru_cb00 1212 }, 1213 { /* V = Aztech Systems P = ? AKA Pirelli AUA-010 */ 1214 USB_DEVICE(0x0509, 0x0812), .driver_info = (unsigned long) &cxacru_cb00 1215 }, 1216 { /* V = Netopia P = Cayman 3341(Annex A)/3351(Annex B) */ 1217 USB_DEVICE(0x100d, 0xcb01), .driver_info = (unsigned long) &cxacru_cb00 1218 }, 1219 { /* V = Netopia P = Cayman 3342(Annex A)/3352(Annex B) */ 1220 USB_DEVICE(0x100d, 0x3342), .driver_info = (unsigned long) &cxacru_cb00 1221 }, 1222 {} 1223 }; 1224 1225 MODULE_DEVICE_TABLE(usb, cxacru_usb_ids); 1226 1227 static struct usbatm_driver cxacru_driver = { 1228 .driver_name = cxacru_driver_name, 1229 .bind = cxacru_bind, 1230 .heavy_init = cxacru_heavy_init, 1231 .unbind = cxacru_unbind, 1232 .atm_start = cxacru_atm_start, 1233 .atm_stop = cxacru_remove_device_files, 1234 .bulk_in = CXACRU_EP_DATA, 1235 .bulk_out = CXACRU_EP_DATA, 1236 .rx_padding = 3, 1237 .tx_padding = 11, 1238 }; 1239 1240 static int cxacru_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) 1241 { 1242 return usbatm_usb_probe(intf, id, &cxacru_driver); 1243 } 1244 1245 static struct usb_driver cxacru_usb_driver = { 1246 .name = cxacru_driver_name, 1247 .probe = cxacru_usb_probe, 1248 .disconnect = usbatm_usb_disconnect, 1249 .id_table = cxacru_usb_ids 1250 }; 1251 1252 static int __init cxacru_init(void) 1253 { 1254 return usb_register(&cxacru_usb_driver); 1255 } 1256 1257 static void __exit cxacru_cleanup(void) 1258 { 1259 usb_deregister(&cxacru_usb_driver); 1260 } 1261 1262 module_init(cxacru_init); 1263 module_exit(cxacru_cleanup); 1264 1265 MODULE_AUTHOR(DRIVER_AUTHOR); 1266 MODULE_DESCRIPTION(DRIVER_DESC); 1267 MODULE_LICENSE("GPL"); 1268 MODULE_VERSION(DRIVER_VERSION); 1269