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 if (likely(value >= 0)) { 231 return snprintf(buf, PAGE_SIZE, "%u.%02u\n", 232 value / 100, value % 100); 233 } else { 234 value = -value; 235 return snprintf(buf, PAGE_SIZE, "-%u.%02u\n", 236 value / 100, value % 100); 237 } 238 } 239 240 static ssize_t cxacru_sysfs_showattr_bool(u32 value, char *buf) 241 { 242 static char *str[] = { "no", "yes" }; 243 if (unlikely(value >= ARRAY_SIZE(str))) 244 return snprintf(buf, PAGE_SIZE, "%u\n", value); 245 return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); 246 } 247 248 static ssize_t cxacru_sysfs_showattr_LINK(u32 value, char *buf) 249 { 250 static char *str[] = { NULL, "not connected", "connected", "lost" }; 251 if (unlikely(value >= ARRAY_SIZE(str) || str[value] == NULL)) 252 return snprintf(buf, PAGE_SIZE, "%u\n", value); 253 return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); 254 } 255 256 static ssize_t cxacru_sysfs_showattr_LINE(u32 value, char *buf) 257 { 258 static char *str[] = { "down", "attempting to activate", 259 "training", "channel analysis", "exchange", "up", 260 "waiting", "initialising" 261 }; 262 if (unlikely(value >= ARRAY_SIZE(str))) 263 return snprintf(buf, PAGE_SIZE, "%u\n", value); 264 return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); 265 } 266 267 static ssize_t cxacru_sysfs_showattr_MODU(u32 value, char *buf) 268 { 269 static char *str[] = { 270 NULL, 271 "ANSI T1.413", 272 "ITU-T G.992.1 (G.DMT)", 273 "ITU-T G.992.2 (G.LITE)" 274 }; 275 if (unlikely(value >= ARRAY_SIZE(str) || str[value] == NULL)) 276 return snprintf(buf, PAGE_SIZE, "%u\n", value); 277 return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); 278 } 279 280 /* 281 * This could use MAC_ADDRESS_HIGH and MAC_ADDRESS_LOW, but since 282 * this data is already in atm_dev there's no point. 283 * 284 * MAC_ADDRESS_HIGH = 0x????5544 285 * MAC_ADDRESS_LOW = 0x33221100 286 * Where 00-55 are bytes 0-5 of the MAC. 287 */ 288 static ssize_t cxacru_sysfs_show_mac_address(struct device *dev, 289 struct device_attribute *attr, char *buf) 290 { 291 struct usb_interface *intf = to_usb_interface(dev); 292 struct usbatm_data *usbatm_instance = usb_get_intfdata(intf); 293 struct atm_dev *atm_dev = usbatm_instance->atm_dev; 294 295 return snprintf(buf, PAGE_SIZE, "%pM\n", atm_dev->esi); 296 } 297 298 static ssize_t cxacru_sysfs_show_adsl_state(struct device *dev, 299 struct device_attribute *attr, char *buf) 300 { 301 struct usb_interface *intf = to_usb_interface(dev); 302 struct usbatm_data *usbatm_instance = usb_get_intfdata(intf); 303 struct cxacru_data *instance = usbatm_instance->driver_data; 304 u32 value = instance->card_info[CXINF_LINE_STARTABLE]; 305 306 static char *str[] = { "running", "stopped" }; 307 if (unlikely(value >= ARRAY_SIZE(str))) 308 return snprintf(buf, PAGE_SIZE, "%u\n", value); 309 return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); 310 } 311 312 static ssize_t cxacru_sysfs_store_adsl_state(struct device *dev, 313 struct device_attribute *attr, const char *buf, size_t count) 314 { 315 struct usb_interface *intf = to_usb_interface(dev); 316 struct usbatm_data *usbatm_instance = usb_get_intfdata(intf); 317 struct cxacru_data *instance = usbatm_instance->driver_data; 318 int ret; 319 int poll = -1; 320 char str_cmd[8]; 321 int len = strlen(buf); 322 323 if (!capable(CAP_NET_ADMIN)) 324 return -EACCES; 325 326 ret = sscanf(buf, "%7s", str_cmd); 327 if (ret != 1) 328 return -EINVAL; 329 ret = 0; 330 331 if (mutex_lock_interruptible(&instance->adsl_state_serialize)) 332 return -ERESTARTSYS; 333 334 if (!strcmp(str_cmd, "stop") || !strcmp(str_cmd, "restart")) { 335 ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_STOP, NULL, 0, NULL, 0); 336 if (ret < 0) { 337 atm_err(usbatm_instance, "change adsl state:" 338 " CHIP_ADSL_LINE_STOP returned %d\n", ret); 339 340 ret = -EIO; 341 } else { 342 ret = len; 343 poll = CXPOLL_STOPPED; 344 } 345 } 346 347 /* Line status is only updated every second 348 * and the device appears to only react to 349 * START/STOP every second too. Wait 1.5s to 350 * be sure that restart will have an effect. */ 351 if (!strcmp(str_cmd, "restart")) 352 msleep(1500); 353 354 if (!strcmp(str_cmd, "start") || !strcmp(str_cmd, "restart")) { 355 ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0); 356 if (ret < 0) { 357 atm_err(usbatm_instance, "change adsl state:" 358 " CHIP_ADSL_LINE_START returned %d\n", ret); 359 360 ret = -EIO; 361 } else { 362 ret = len; 363 poll = CXPOLL_POLLING; 364 } 365 } 366 367 if (!strcmp(str_cmd, "poll")) { 368 ret = len; 369 poll = CXPOLL_POLLING; 370 } 371 372 if (ret == 0) { 373 ret = -EINVAL; 374 poll = -1; 375 } 376 377 if (poll == CXPOLL_POLLING) { 378 mutex_lock(&instance->poll_state_serialize); 379 switch (instance->poll_state) { 380 case CXPOLL_STOPPED: 381 /* start polling */ 382 instance->poll_state = CXPOLL_POLLING; 383 break; 384 385 case CXPOLL_STOPPING: 386 /* abort stop request */ 387 instance->poll_state = CXPOLL_POLLING; 388 case CXPOLL_POLLING: 389 case CXPOLL_SHUTDOWN: 390 /* don't start polling */ 391 poll = -1; 392 } 393 mutex_unlock(&instance->poll_state_serialize); 394 } else if (poll == CXPOLL_STOPPED) { 395 mutex_lock(&instance->poll_state_serialize); 396 /* request stop */ 397 if (instance->poll_state == CXPOLL_POLLING) 398 instance->poll_state = CXPOLL_STOPPING; 399 mutex_unlock(&instance->poll_state_serialize); 400 } 401 402 mutex_unlock(&instance->adsl_state_serialize); 403 404 if (poll == CXPOLL_POLLING) 405 cxacru_poll_status(&instance->poll_work.work); 406 407 return ret; 408 } 409 410 /* 411 * All device attributes are included in CXACRU_ALL_FILES 412 * so that the same list can be used multiple times: 413 * INIT (define the device attributes) 414 * CREATE (create all the device files) 415 * REMOVE (remove all the device files) 416 * 417 * With the last two being defined as needed in the functions 418 * they are used in before calling CXACRU_ALL_FILES() 419 */ 420 #define CXACRU_ALL_FILES(_action) \ 421 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_RATE, u32, downstream_rate); \ 422 CXACRU_ATTR_##_action(CXINF_UPSTREAM_RATE, u32, upstream_rate); \ 423 CXACRU_ATTR_##_action(CXINF_LINK_STATUS, LINK, link_status); \ 424 CXACRU_ATTR_##_action(CXINF_LINE_STATUS, LINE, line_status); \ 425 CXACRU__ATTR_##_action( mac_address); \ 426 CXACRU_ATTR_##_action(CXINF_UPSTREAM_SNR_MARGIN, dB, upstream_snr_margin); \ 427 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_SNR_MARGIN, dB, downstream_snr_margin); \ 428 CXACRU_ATTR_##_action(CXINF_UPSTREAM_ATTENUATION, dB, upstream_attenuation); \ 429 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_ATTENUATION, dB, downstream_attenuation); \ 430 CXACRU_ATTR_##_action(CXINF_TRANSMITTER_POWER, s8, transmitter_power); \ 431 CXACRU_ATTR_##_action(CXINF_UPSTREAM_BITS_PER_FRAME, u32, upstream_bits_per_frame); \ 432 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_BITS_PER_FRAME, u32, downstream_bits_per_frame); \ 433 CXACRU_ATTR_##_action(CXINF_STARTUP_ATTEMPTS, u32, startup_attempts); \ 434 CXACRU_ATTR_##_action(CXINF_UPSTREAM_CRC_ERRORS, u32, upstream_crc_errors); \ 435 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_CRC_ERRORS, u32, downstream_crc_errors); \ 436 CXACRU_ATTR_##_action(CXINF_UPSTREAM_FEC_ERRORS, u32, upstream_fec_errors); \ 437 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_FEC_ERRORS, u32, downstream_fec_errors); \ 438 CXACRU_ATTR_##_action(CXINF_UPSTREAM_HEC_ERRORS, u32, upstream_hec_errors); \ 439 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_HEC_ERRORS, u32, downstream_hec_errors); \ 440 CXACRU_ATTR_##_action(CXINF_LINE_STARTABLE, bool, line_startable); \ 441 CXACRU_ATTR_##_action(CXINF_MODULATION, MODU, modulation); \ 442 CXACRU_ATTR_##_action(CXINF_ADSL_HEADEND, u32, adsl_headend); \ 443 CXACRU_ATTR_##_action(CXINF_ADSL_HEADEND_ENVIRONMENT, u32, adsl_headend_environment); \ 444 CXACRU_ATTR_##_action(CXINF_CONTROLLER_VERSION, u32, adsl_controller_version); \ 445 CXACRU_CMD_##_action( adsl_state); 446 447 CXACRU_ALL_FILES(INIT); 448 449 /* the following three functions are stolen from drivers/usb/core/message.c */ 450 static void cxacru_blocking_completion(struct urb *urb) 451 { 452 complete(urb->context); 453 } 454 455 static void cxacru_timeout_kill(unsigned long data) 456 { 457 usb_unlink_urb((struct urb *) data); 458 } 459 460 static int cxacru_start_wait_urb(struct urb *urb, struct completion *done, 461 int* actual_length) 462 { 463 struct timer_list timer; 464 465 init_timer(&timer); 466 timer.expires = jiffies + msecs_to_jiffies(CMD_TIMEOUT); 467 timer.data = (unsigned long) urb; 468 timer.function = cxacru_timeout_kill; 469 add_timer(&timer); 470 wait_for_completion(done); 471 del_timer_sync(&timer); 472 473 if (actual_length) 474 *actual_length = urb->actual_length; 475 return urb->status; /* must read status after completion */ 476 } 477 478 static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm, 479 u8 *wdata, int wsize, u8 *rdata, int rsize) 480 { 481 int ret, actlen; 482 int offb, offd; 483 const int stride = CMD_PACKET_SIZE - 4; 484 u8 *wbuf = instance->snd_buf; 485 u8 *rbuf = instance->rcv_buf; 486 int wbuflen = ((wsize - 1) / stride + 1) * CMD_PACKET_SIZE; 487 int rbuflen = ((rsize - 1) / stride + 1) * CMD_PACKET_SIZE; 488 489 if (wbuflen > PAGE_SIZE || rbuflen > PAGE_SIZE) { 490 if (printk_ratelimit()) 491 usb_err(instance->usbatm, "requested transfer size too large (%d, %d)\n", 492 wbuflen, rbuflen); 493 ret = -ENOMEM; 494 goto err; 495 } 496 497 mutex_lock(&instance->cm_serialize); 498 499 /* submit reading urb before the writing one */ 500 init_completion(&instance->rcv_done); 501 ret = usb_submit_urb(instance->rcv_urb, GFP_KERNEL); 502 if (ret < 0) { 503 if (printk_ratelimit()) 504 usb_err(instance->usbatm, "submit of read urb for cm %#x failed (%d)\n", 505 cm, ret); 506 goto fail; 507 } 508 509 memset(wbuf, 0, wbuflen); 510 /* handle wsize == 0 */ 511 wbuf[0] = cm; 512 for (offb = offd = 0; offd < wsize; offd += stride, offb += CMD_PACKET_SIZE) { 513 wbuf[offb] = cm; 514 memcpy(wbuf + offb + 4, wdata + offd, min_t(int, stride, wsize - offd)); 515 } 516 517 instance->snd_urb->transfer_buffer_length = wbuflen; 518 init_completion(&instance->snd_done); 519 ret = usb_submit_urb(instance->snd_urb, GFP_KERNEL); 520 if (ret < 0) { 521 if (printk_ratelimit()) 522 usb_err(instance->usbatm, "submit of write urb for cm %#x failed (%d)\n", 523 cm, ret); 524 goto fail; 525 } 526 527 ret = cxacru_start_wait_urb(instance->snd_urb, &instance->snd_done, NULL); 528 if (ret < 0) { 529 if (printk_ratelimit()) 530 usb_err(instance->usbatm, "send of cm %#x failed (%d)\n", cm, ret); 531 goto fail; 532 } 533 534 ret = cxacru_start_wait_urb(instance->rcv_urb, &instance->rcv_done, &actlen); 535 if (ret < 0) { 536 if (printk_ratelimit()) 537 usb_err(instance->usbatm, "receive of cm %#x failed (%d)\n", cm, ret); 538 goto fail; 539 } 540 if (actlen % CMD_PACKET_SIZE || !actlen) { 541 if (printk_ratelimit()) 542 usb_err(instance->usbatm, "invalid response length to cm %#x: %d\n", 543 cm, actlen); 544 ret = -EIO; 545 goto fail; 546 } 547 548 /* check the return status and copy the data to the output buffer, if needed */ 549 for (offb = offd = 0; offd < rsize && offb < actlen; offb += CMD_PACKET_SIZE) { 550 if (rbuf[offb] != cm) { 551 if (printk_ratelimit()) 552 usb_err(instance->usbatm, "wrong cm %#x in response to cm %#x\n", 553 rbuf[offb], cm); 554 ret = -EIO; 555 goto fail; 556 } 557 if (rbuf[offb + 1] != CM_STATUS_SUCCESS) { 558 if (printk_ratelimit()) 559 usb_err(instance->usbatm, "response to cm %#x failed: %#x\n", 560 cm, rbuf[offb + 1]); 561 ret = -EIO; 562 goto fail; 563 } 564 if (offd >= rsize) 565 break; 566 memcpy(rdata + offd, rbuf + offb + 4, min_t(int, stride, rsize - offd)); 567 offd += stride; 568 } 569 570 ret = offd; 571 dbg("cm %#x", cm); 572 fail: 573 mutex_unlock(&instance->cm_serialize); 574 err: 575 return ret; 576 } 577 578 static int cxacru_cm_get_array(struct cxacru_data *instance, enum cxacru_cm_request cm, 579 u32 *data, int size) 580 { 581 int ret, len; 582 __le32 *buf; 583 int offb, offd; 584 const int stride = CMD_PACKET_SIZE / (4 * 2) - 1; 585 int buflen = ((size - 1) / stride + 1 + size * 2) * 4; 586 587 buf = kmalloc(buflen, GFP_KERNEL); 588 if (!buf) 589 return -ENOMEM; 590 591 ret = cxacru_cm(instance, cm, NULL, 0, (u8 *) buf, buflen); 592 if (ret < 0) 593 goto cleanup; 594 595 /* len > 0 && len % 4 == 0 guaranteed by cxacru_cm() */ 596 len = ret / 4; 597 for (offb = 0; offb < len; ) { 598 int l = le32_to_cpu(buf[offb++]); 599 if (l > stride || l > (len - offb) / 2) { 600 if (printk_ratelimit()) 601 usb_err(instance->usbatm, "invalid data length from cm %#x: %d\n", 602 cm, l); 603 ret = -EIO; 604 goto cleanup; 605 } 606 while (l--) { 607 offd = le32_to_cpu(buf[offb++]); 608 if (offd >= size) { 609 if (printk_ratelimit()) 610 usb_err(instance->usbatm, "wrong index %#x in response to cm %#x\n", 611 offd, cm); 612 ret = -EIO; 613 goto cleanup; 614 } 615 data[offd] = le32_to_cpu(buf[offb++]); 616 } 617 } 618 619 ret = 0; 620 621 cleanup: 622 kfree(buf); 623 return ret; 624 } 625 626 static int cxacru_card_status(struct cxacru_data *instance) 627 { 628 int ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0); 629 if (ret < 0) { /* firmware not loaded */ 630 dbg("cxacru_adsl_start: CARD_GET_STATUS returned %d", ret); 631 return ret; 632 } 633 return 0; 634 } 635 636 static void cxacru_remove_device_files(struct usbatm_data *usbatm_instance, 637 struct atm_dev *atm_dev) 638 { 639 struct usb_interface *intf = usbatm_instance->usb_intf; 640 641 #define CXACRU_DEVICE_REMOVE_FILE(_name) \ 642 device_remove_file(&intf->dev, &dev_attr_##_name); 643 CXACRU_ALL_FILES(REMOVE); 644 #undef CXACRU_DEVICE_REMOVE_FILE 645 } 646 647 static int cxacru_atm_start(struct usbatm_data *usbatm_instance, 648 struct atm_dev *atm_dev) 649 { 650 struct cxacru_data *instance = usbatm_instance->driver_data; 651 struct usb_interface *intf = usbatm_instance->usb_intf; 652 /* 653 struct atm_dev *atm_dev = usbatm_instance->atm_dev; 654 */ 655 int ret; 656 int start_polling = 1; 657 658 dbg("cxacru_atm_start"); 659 660 /* Read MAC address */ 661 ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_MAC_ADDRESS, NULL, 0, 662 atm_dev->esi, sizeof(atm_dev->esi)); 663 if (ret < 0) { 664 atm_err(usbatm_instance, "cxacru_atm_start: CARD_GET_MAC_ADDRESS returned %d\n", ret); 665 return ret; 666 } 667 668 #define CXACRU_DEVICE_CREATE_FILE(_name) \ 669 ret = device_create_file(&intf->dev, &dev_attr_##_name); \ 670 if (unlikely(ret)) \ 671 goto fail_sysfs; 672 CXACRU_ALL_FILES(CREATE); 673 #undef CXACRU_DEVICE_CREATE_FILE 674 675 /* start ADSL */ 676 mutex_lock(&instance->adsl_state_serialize); 677 ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0); 678 if (ret < 0) 679 atm_err(usbatm_instance, "cxacru_atm_start: CHIP_ADSL_LINE_START returned %d\n", ret); 680 681 /* Start status polling */ 682 mutex_lock(&instance->poll_state_serialize); 683 switch (instance->poll_state) { 684 case CXPOLL_STOPPED: 685 /* start polling */ 686 instance->poll_state = CXPOLL_POLLING; 687 break; 688 689 case CXPOLL_STOPPING: 690 /* abort stop request */ 691 instance->poll_state = CXPOLL_POLLING; 692 case CXPOLL_POLLING: 693 case CXPOLL_SHUTDOWN: 694 /* don't start polling */ 695 start_polling = 0; 696 } 697 mutex_unlock(&instance->poll_state_serialize); 698 mutex_unlock(&instance->adsl_state_serialize); 699 700 if (start_polling) 701 cxacru_poll_status(&instance->poll_work.work); 702 return 0; 703 704 fail_sysfs: 705 usb_err(usbatm_instance, "cxacru_atm_start: device_create_file failed (%d)\n", ret); 706 cxacru_remove_device_files(usbatm_instance, atm_dev); 707 return ret; 708 } 709 710 static void cxacru_poll_status(struct work_struct *work) 711 { 712 struct cxacru_data *instance = 713 container_of(work, struct cxacru_data, poll_work.work); 714 u32 buf[CXINF_MAX] = {}; 715 struct usbatm_data *usbatm = instance->usbatm; 716 struct atm_dev *atm_dev = usbatm->atm_dev; 717 int keep_polling = 1; 718 int ret; 719 720 ret = cxacru_cm_get_array(instance, CM_REQUEST_CARD_INFO_GET, buf, CXINF_MAX); 721 if (ret < 0) { 722 if (ret != -ESHUTDOWN) 723 atm_warn(usbatm, "poll status: error %d\n", ret); 724 725 mutex_lock(&instance->poll_state_serialize); 726 if (instance->poll_state != CXPOLL_SHUTDOWN) { 727 instance->poll_state = CXPOLL_STOPPED; 728 729 if (ret != -ESHUTDOWN) 730 atm_warn(usbatm, "polling disabled, set adsl_state" 731 " to 'start' or 'poll' to resume\n"); 732 } 733 mutex_unlock(&instance->poll_state_serialize); 734 goto reschedule; 735 } 736 737 memcpy(instance->card_info, buf, sizeof(instance->card_info)); 738 739 if (instance->adsl_status != buf[CXINF_LINE_STARTABLE]) { 740 instance->adsl_status = buf[CXINF_LINE_STARTABLE]; 741 742 switch (instance->adsl_status) { 743 case 0: 744 atm_printk(KERN_INFO, usbatm, "ADSL state: running\n"); 745 break; 746 747 case 1: 748 atm_printk(KERN_INFO, usbatm, "ADSL state: stopped\n"); 749 break; 750 751 default: 752 atm_printk(KERN_INFO, usbatm, "Unknown adsl status %02x\n", instance->adsl_status); 753 break; 754 } 755 } 756 757 if (instance->line_status == buf[CXINF_LINE_STATUS]) 758 goto reschedule; 759 760 instance->line_status = buf[CXINF_LINE_STATUS]; 761 switch (instance->line_status) { 762 case 0: 763 atm_dev->signal = ATM_PHY_SIG_LOST; 764 atm_info(usbatm, "ADSL line: down\n"); 765 break; 766 767 case 1: 768 atm_dev->signal = ATM_PHY_SIG_LOST; 769 atm_info(usbatm, "ADSL line: attempting to activate\n"); 770 break; 771 772 case 2: 773 atm_dev->signal = ATM_PHY_SIG_LOST; 774 atm_info(usbatm, "ADSL line: training\n"); 775 break; 776 777 case 3: 778 atm_dev->signal = ATM_PHY_SIG_LOST; 779 atm_info(usbatm, "ADSL line: channel analysis\n"); 780 break; 781 782 case 4: 783 atm_dev->signal = ATM_PHY_SIG_LOST; 784 atm_info(usbatm, "ADSL line: exchange\n"); 785 break; 786 787 case 5: 788 atm_dev->link_rate = buf[CXINF_DOWNSTREAM_RATE] * 1000 / 424; 789 atm_dev->signal = ATM_PHY_SIG_FOUND; 790 791 atm_info(usbatm, "ADSL line: up (%d kb/s down | %d kb/s up)\n", 792 buf[CXINF_DOWNSTREAM_RATE], buf[CXINF_UPSTREAM_RATE]); 793 break; 794 795 case 6: 796 atm_dev->signal = ATM_PHY_SIG_LOST; 797 atm_info(usbatm, "ADSL line: waiting\n"); 798 break; 799 800 case 7: 801 atm_dev->signal = ATM_PHY_SIG_LOST; 802 atm_info(usbatm, "ADSL line: initializing\n"); 803 break; 804 805 default: 806 atm_dev->signal = ATM_PHY_SIG_UNKNOWN; 807 atm_info(usbatm, "Unknown line state %02x\n", instance->line_status); 808 break; 809 } 810 reschedule: 811 812 mutex_lock(&instance->poll_state_serialize); 813 if (instance->poll_state == CXPOLL_STOPPING && 814 instance->adsl_status == 1 && /* stopped */ 815 instance->line_status == 0) /* down */ 816 instance->poll_state = CXPOLL_STOPPED; 817 818 if (instance->poll_state == CXPOLL_STOPPED) 819 keep_polling = 0; 820 mutex_unlock(&instance->poll_state_serialize); 821 822 if (keep_polling) 823 schedule_delayed_work(&instance->poll_work, 824 round_jiffies_relative(POLL_INTERVAL*HZ)); 825 } 826 827 static int cxacru_fw(struct usb_device *usb_dev, enum cxacru_fw_request fw, 828 u8 code1, u8 code2, u32 addr, const u8 *data, int size) 829 { 830 int ret; 831 u8 *buf; 832 int offd, offb; 833 const int stride = CMD_PACKET_SIZE - 8; 834 835 buf = (u8 *) __get_free_page(GFP_KERNEL); 836 if (!buf) 837 return -ENOMEM; 838 839 offb = offd = 0; 840 do { 841 int l = min_t(int, stride, size - offd); 842 buf[offb++] = fw; 843 buf[offb++] = l; 844 buf[offb++] = code1; 845 buf[offb++] = code2; 846 put_unaligned(cpu_to_le32(addr), (__le32 *)(buf + offb)); 847 offb += 4; 848 addr += l; 849 if(l) 850 memcpy(buf + offb, data + offd, l); 851 if (l < stride) 852 memset(buf + offb + l, 0, stride - l); 853 offb += stride; 854 offd += stride; 855 if ((offb >= PAGE_SIZE) || (offd >= size)) { 856 ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_CMD), 857 buf, offb, NULL, CMD_TIMEOUT); 858 if (ret < 0) { 859 dbg("sending fw %#x failed", fw); 860 goto cleanup; 861 } 862 offb = 0; 863 } 864 } while(offd < size); 865 dbg("sent fw %#x", fw); 866 867 ret = 0; 868 869 cleanup: 870 free_page((unsigned long) buf); 871 return ret; 872 } 873 874 static void cxacru_upload_firmware(struct cxacru_data *instance, 875 const struct firmware *fw, 876 const struct firmware *bp, 877 const struct firmware *cf) 878 { 879 int ret; 880 int off; 881 struct usbatm_data *usbatm = instance->usbatm; 882 struct usb_device *usb_dev = usbatm->usb_dev; 883 __le16 signature[] = { usb_dev->descriptor.idVendor, 884 usb_dev->descriptor.idProduct }; 885 __le32 val; 886 887 dbg("cxacru_upload_firmware"); 888 889 /* FirmwarePllFClkValue */ 890 val = cpu_to_le32(instance->modem_type->pll_f_clk); 891 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLFCLK_ADDR, (u8 *) &val, 4); 892 if (ret) { 893 usb_err(usbatm, "FirmwarePllFClkValue failed: %d\n", ret); 894 return; 895 } 896 897 /* FirmwarePllBClkValue */ 898 val = cpu_to_le32(instance->modem_type->pll_b_clk); 899 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLBCLK_ADDR, (u8 *) &val, 4); 900 if (ret) { 901 usb_err(usbatm, "FirmwarePllBClkValue failed: %d\n", ret); 902 return; 903 } 904 905 /* Enable SDRAM */ 906 val = cpu_to_le32(SDRAM_ENA); 907 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SDRAMEN_ADDR, (u8 *) &val, 4); 908 if (ret) { 909 usb_err(usbatm, "Enable SDRAM failed: %d\n", ret); 910 return; 911 } 912 913 /* Firmware */ 914 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, FW_ADDR, fw->data, fw->size); 915 if (ret) { 916 usb_err(usbatm, "Firmware upload failed: %d\n", ret); 917 return; 918 } 919 920 /* Boot ROM patch */ 921 if (instance->modem_type->boot_rom_patch) { 922 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_ADDR, bp->data, bp->size); 923 if (ret) { 924 usb_err(usbatm, "Boot ROM patching failed: %d\n", ret); 925 return; 926 } 927 } 928 929 /* Signature */ 930 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SIG_ADDR, (u8 *) signature, 4); 931 if (ret) { 932 usb_err(usbatm, "Signature storing failed: %d\n", ret); 933 return; 934 } 935 936 if (instance->modem_type->boot_rom_patch) { 937 val = cpu_to_le32(BR_ADDR); 938 ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_STACK_ADDR, (u8 *) &val, 4); 939 } 940 else { 941 ret = cxacru_fw(usb_dev, FW_GOTO_MEM, 0x0, 0x0, FW_ADDR, NULL, 0); 942 } 943 if (ret) { 944 usb_err(usbatm, "Passing control to firmware failed: %d\n", ret); 945 return; 946 } 947 948 /* Delay to allow firmware to start up. */ 949 msleep_interruptible(1000); 950 951 usb_clear_halt(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_CMD)); 952 usb_clear_halt(usb_dev, usb_rcvbulkpipe(usb_dev, CXACRU_EP_CMD)); 953 usb_clear_halt(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_DATA)); 954 usb_clear_halt(usb_dev, usb_rcvbulkpipe(usb_dev, CXACRU_EP_DATA)); 955 956 ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0); 957 if (ret < 0) { 958 usb_err(usbatm, "modem failed to initialize: %d\n", ret); 959 return; 960 } 961 962 /* Load config data (le32), doing one packet at a time */ 963 if (cf) 964 for (off = 0; off < cf->size / 4; ) { 965 __le32 buf[CMD_PACKET_SIZE / 4 - 1]; 966 int i, len = min_t(int, cf->size / 4 - off, CMD_PACKET_SIZE / 4 / 2 - 1); 967 buf[0] = cpu_to_le32(len); 968 for (i = 0; i < len; i++, off++) { 969 buf[i * 2 + 1] = cpu_to_le32(off); 970 memcpy(buf + i * 2 + 2, cf->data + off * 4, 4); 971 } 972 ret = cxacru_cm(instance, CM_REQUEST_CARD_DATA_SET, 973 (u8 *) buf, len, NULL, 0); 974 if (ret < 0) { 975 usb_err(usbatm, "load config data failed: %d\n", ret); 976 return; 977 } 978 } 979 980 msleep_interruptible(4000); 981 } 982 983 static int cxacru_find_firmware(struct cxacru_data *instance, 984 char* phase, const struct firmware **fw_p) 985 { 986 struct usbatm_data *usbatm = instance->usbatm; 987 struct device *dev = &usbatm->usb_intf->dev; 988 char buf[16]; 989 990 sprintf(buf, "cxacru-%s.bin", phase); 991 dbg("cxacru_find_firmware: looking for %s", buf); 992 993 if (request_firmware(fw_p, buf, dev)) { 994 usb_dbg(usbatm, "no stage %s firmware found\n", phase); 995 return -ENOENT; 996 } 997 998 usb_info(usbatm, "found firmware %s\n", buf); 999 1000 return 0; 1001 } 1002 1003 static int cxacru_heavy_init(struct usbatm_data *usbatm_instance, 1004 struct usb_interface *usb_intf) 1005 { 1006 const struct firmware *fw, *bp, *cf; 1007 struct cxacru_data *instance = usbatm_instance->driver_data; 1008 1009 int ret = cxacru_find_firmware(instance, "fw", &fw); 1010 if (ret) { 1011 usb_warn(usbatm_instance, "firmware (cxacru-fw.bin) unavailable (system misconfigured?)\n"); 1012 return ret; 1013 } 1014 1015 if (instance->modem_type->boot_rom_patch) { 1016 ret = cxacru_find_firmware(instance, "bp", &bp); 1017 if (ret) { 1018 usb_warn(usbatm_instance, "boot ROM patch (cxacru-bp.bin) unavailable (system misconfigured?)\n"); 1019 release_firmware(fw); 1020 return ret; 1021 } 1022 } 1023 1024 if (cxacru_find_firmware(instance, "cf", &cf)) /* optional */ 1025 cf = NULL; 1026 1027 cxacru_upload_firmware(instance, fw, bp, cf); 1028 1029 if (cf) 1030 release_firmware(cf); 1031 if (instance->modem_type->boot_rom_patch) 1032 release_firmware(bp); 1033 release_firmware(fw); 1034 1035 ret = cxacru_card_status(instance); 1036 if (ret) 1037 dbg("modem initialisation failed"); 1038 else 1039 dbg("done setting up the modem"); 1040 1041 return ret; 1042 } 1043 1044 static int cxacru_bind(struct usbatm_data *usbatm_instance, 1045 struct usb_interface *intf, const struct usb_device_id *id) 1046 { 1047 struct cxacru_data *instance; 1048 struct usb_device *usb_dev = interface_to_usbdev(intf); 1049 int ret; 1050 1051 /* instance init */ 1052 instance = kzalloc(sizeof(*instance), GFP_KERNEL); 1053 if (!instance) { 1054 dbg("cxacru_bind: no memory for instance data"); 1055 return -ENOMEM; 1056 } 1057 1058 instance->usbatm = usbatm_instance; 1059 instance->modem_type = (struct cxacru_modem_type *) id->driver_info; 1060 1061 mutex_init(&instance->poll_state_serialize); 1062 instance->poll_state = CXPOLL_STOPPED; 1063 instance->line_status = -1; 1064 instance->adsl_status = -1; 1065 1066 mutex_init(&instance->adsl_state_serialize); 1067 1068 instance->rcv_buf = (u8 *) __get_free_page(GFP_KERNEL); 1069 if (!instance->rcv_buf) { 1070 dbg("cxacru_bind: no memory for rcv_buf"); 1071 ret = -ENOMEM; 1072 goto fail; 1073 } 1074 instance->snd_buf = (u8 *) __get_free_page(GFP_KERNEL); 1075 if (!instance->snd_buf) { 1076 dbg("cxacru_bind: no memory for snd_buf"); 1077 ret = -ENOMEM; 1078 goto fail; 1079 } 1080 instance->rcv_urb = usb_alloc_urb(0, GFP_KERNEL); 1081 if (!instance->rcv_urb) { 1082 dbg("cxacru_bind: no memory for rcv_urb"); 1083 ret = -ENOMEM; 1084 goto fail; 1085 } 1086 instance->snd_urb = usb_alloc_urb(0, GFP_KERNEL); 1087 if (!instance->snd_urb) { 1088 dbg("cxacru_bind: no memory for snd_urb"); 1089 ret = -ENOMEM; 1090 goto fail; 1091 } 1092 1093 usb_fill_int_urb(instance->rcv_urb, 1094 usb_dev, usb_rcvintpipe(usb_dev, CXACRU_EP_CMD), 1095 instance->rcv_buf, PAGE_SIZE, 1096 cxacru_blocking_completion, &instance->rcv_done, 1); 1097 1098 usb_fill_int_urb(instance->snd_urb, 1099 usb_dev, usb_sndintpipe(usb_dev, CXACRU_EP_CMD), 1100 instance->snd_buf, PAGE_SIZE, 1101 cxacru_blocking_completion, &instance->snd_done, 4); 1102 1103 mutex_init(&instance->cm_serialize); 1104 1105 INIT_DELAYED_WORK(&instance->poll_work, cxacru_poll_status); 1106 1107 usbatm_instance->driver_data = instance; 1108 1109 usbatm_instance->flags = (cxacru_card_status(instance) ? 0 : UDSL_SKIP_HEAVY_INIT); 1110 1111 return 0; 1112 1113 fail: 1114 free_page((unsigned long) instance->snd_buf); 1115 free_page((unsigned long) instance->rcv_buf); 1116 usb_free_urb(instance->snd_urb); 1117 usb_free_urb(instance->rcv_urb); 1118 kfree(instance); 1119 1120 return ret; 1121 } 1122 1123 static void cxacru_unbind(struct usbatm_data *usbatm_instance, 1124 struct usb_interface *intf) 1125 { 1126 struct cxacru_data *instance = usbatm_instance->driver_data; 1127 int is_polling = 1; 1128 1129 dbg("cxacru_unbind entered"); 1130 1131 if (!instance) { 1132 dbg("cxacru_unbind: NULL instance!"); 1133 return; 1134 } 1135 1136 mutex_lock(&instance->poll_state_serialize); 1137 BUG_ON(instance->poll_state == CXPOLL_SHUTDOWN); 1138 1139 /* ensure that status polling continues unless 1140 * it has already stopped */ 1141 if (instance->poll_state == CXPOLL_STOPPED) 1142 is_polling = 0; 1143 1144 /* stop polling from being stopped or started */ 1145 instance->poll_state = CXPOLL_SHUTDOWN; 1146 mutex_unlock(&instance->poll_state_serialize); 1147 1148 if (is_polling) 1149 cancel_rearming_delayed_work(&instance->poll_work); 1150 1151 usb_kill_urb(instance->snd_urb); 1152 usb_kill_urb(instance->rcv_urb); 1153 usb_free_urb(instance->snd_urb); 1154 usb_free_urb(instance->rcv_urb); 1155 1156 free_page((unsigned long) instance->snd_buf); 1157 free_page((unsigned long) instance->rcv_buf); 1158 1159 kfree(instance); 1160 1161 usbatm_instance->driver_data = NULL; 1162 } 1163 1164 static const struct cxacru_modem_type cxacru_cafe = { 1165 .pll_f_clk = 0x02d874df, 1166 .pll_b_clk = 0x0196a51a, 1167 .boot_rom_patch = 1, 1168 }; 1169 1170 static const struct cxacru_modem_type cxacru_cb00 = { 1171 .pll_f_clk = 0x5, 1172 .pll_b_clk = 0x3, 1173 .boot_rom_patch = 0, 1174 }; 1175 1176 static const struct usb_device_id cxacru_usb_ids[] = { 1177 { /* V = Conexant P = ADSL modem (Euphrates project) */ 1178 USB_DEVICE(0x0572, 0xcafe), .driver_info = (unsigned long) &cxacru_cafe 1179 }, 1180 { /* V = Conexant P = ADSL modem (Hasbani project) */ 1181 USB_DEVICE(0x0572, 0xcb00), .driver_info = (unsigned long) &cxacru_cb00 1182 }, 1183 { /* V = Conexant P = ADSL modem */ 1184 USB_DEVICE(0x0572, 0xcb01), .driver_info = (unsigned long) &cxacru_cb00 1185 }, 1186 { /* V = Conexant P = ADSL modem (Well PTI-800) */ 1187 USB_DEVICE(0x0572, 0xcb02), .driver_info = (unsigned long) &cxacru_cb00 1188 }, 1189 { /* V = Conexant P = ADSL modem */ 1190 USB_DEVICE(0x0572, 0xcb06), .driver_info = (unsigned long) &cxacru_cb00 1191 }, 1192 { /* V = Conexant P = ADSL modem (ZTE ZXDSL 852) */ 1193 USB_DEVICE(0x0572, 0xcb07), .driver_info = (unsigned long) &cxacru_cb00 1194 }, 1195 { /* V = Olitec P = ADSL modem version 2 */ 1196 USB_DEVICE(0x08e3, 0x0100), .driver_info = (unsigned long) &cxacru_cafe 1197 }, 1198 { /* V = Olitec P = ADSL modem version 3 */ 1199 USB_DEVICE(0x08e3, 0x0102), .driver_info = (unsigned long) &cxacru_cb00 1200 }, 1201 { /* V = Trust/Amigo Technology Co. P = AMX-CA86U */ 1202 USB_DEVICE(0x0eb0, 0x3457), .driver_info = (unsigned long) &cxacru_cafe 1203 }, 1204 { /* V = Zoom P = 5510 */ 1205 USB_DEVICE(0x1803, 0x5510), .driver_info = (unsigned long) &cxacru_cb00 1206 }, 1207 { /* V = Draytek P = Vigor 318 */ 1208 USB_DEVICE(0x0675, 0x0200), .driver_info = (unsigned long) &cxacru_cb00 1209 }, 1210 { /* V = Zyxel P = 630-C1 aka OMNI ADSL USB (Annex A) */ 1211 USB_DEVICE(0x0586, 0x330a), .driver_info = (unsigned long) &cxacru_cb00 1212 }, 1213 { /* V = Zyxel P = 630-C3 aka OMNI ADSL USB (Annex B) */ 1214 USB_DEVICE(0x0586, 0x330b), .driver_info = (unsigned long) &cxacru_cb00 1215 }, 1216 { /* V = Aethra P = Starmodem UM1020 */ 1217 USB_DEVICE(0x0659, 0x0020), .driver_info = (unsigned long) &cxacru_cb00 1218 }, 1219 { /* V = Aztech Systems P = ? AKA Pirelli AUA-010 */ 1220 USB_DEVICE(0x0509, 0x0812), .driver_info = (unsigned long) &cxacru_cb00 1221 }, 1222 { /* V = Netopia P = Cayman 3341(Annex A)/3351(Annex B) */ 1223 USB_DEVICE(0x100d, 0xcb01), .driver_info = (unsigned long) &cxacru_cb00 1224 }, 1225 { /* V = Netopia P = Cayman 3342(Annex A)/3352(Annex B) */ 1226 USB_DEVICE(0x100d, 0x3342), .driver_info = (unsigned long) &cxacru_cb00 1227 }, 1228 {} 1229 }; 1230 1231 MODULE_DEVICE_TABLE(usb, cxacru_usb_ids); 1232 1233 static struct usbatm_driver cxacru_driver = { 1234 .driver_name = cxacru_driver_name, 1235 .bind = cxacru_bind, 1236 .heavy_init = cxacru_heavy_init, 1237 .unbind = cxacru_unbind, 1238 .atm_start = cxacru_atm_start, 1239 .atm_stop = cxacru_remove_device_files, 1240 .bulk_in = CXACRU_EP_DATA, 1241 .bulk_out = CXACRU_EP_DATA, 1242 .rx_padding = 3, 1243 .tx_padding = 11, 1244 }; 1245 1246 static int cxacru_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) 1247 { 1248 return usbatm_usb_probe(intf, id, &cxacru_driver); 1249 } 1250 1251 static struct usb_driver cxacru_usb_driver = { 1252 .name = cxacru_driver_name, 1253 .probe = cxacru_usb_probe, 1254 .disconnect = usbatm_usb_disconnect, 1255 .id_table = cxacru_usb_ids 1256 }; 1257 1258 static int __init cxacru_init(void) 1259 { 1260 return usb_register(&cxacru_usb_driver); 1261 } 1262 1263 static void __exit cxacru_cleanup(void) 1264 { 1265 usb_deregister(&cxacru_usb_driver); 1266 } 1267 1268 module_init(cxacru_init); 1269 module_exit(cxacru_cleanup); 1270 1271 MODULE_AUTHOR(DRIVER_AUTHOR); 1272 MODULE_DESCRIPTION(DRIVER_DESC); 1273 MODULE_LICENSE("GPL"); 1274 MODULE_VERSION(DRIVER_VERSION); 1275