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