1 /*- 2 * Copyright (c) 2003, 2004 3 * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 4 * 5 * Copyright (c) 2005-2007 Matthieu Castet <castet.matthieu@free.fr> 6 * Copyright (c) 2005-2007 Stanislaw Gruszka <stf_xl@wp.pl> 7 * 8 * This software is available to you under a choice of one of two 9 * licenses. You may choose to be licensed under the terms of the GNU 10 * General Public License (GPL) Version 2, available from the file 11 * COPYING in the main directory of this source tree, or the 12 * BSD license below: 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice unmodified, this list of conditions, and the following 19 * disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * GPL license : 37 * This program is free software; you can redistribute it and/or 38 * modify it under the terms of the GNU General Public License 39 * as published by the Free Software Foundation; either version 2 40 * of the License, or (at your option) any later version. 41 * 42 * This program is distributed in the hope that it will be useful, 43 * but WITHOUT ANY WARRANTY; without even the implied warranty of 44 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 45 * GNU General Public License for more details. 46 * 47 * You should have received a copy of the GNU General Public License 48 * along with this program; if not, write to the Free Software 49 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 50 * 51 * 52 * HISTORY : some part of the code was base on ueagle 1.3 BSD driver, 53 * Damien Bergamini agree to put his code under a DUAL GPL/BSD license. 54 * 55 * The rest of the code was was rewritten from scratch. 56 */ 57 58 #include <linux/module.h> 59 #include <linux/moduleparam.h> 60 #include <linux/init.h> 61 #include <linux/crc32.h> 62 #include <linux/usb.h> 63 #include <linux/firmware.h> 64 #include <linux/ctype.h> 65 #include <linux/sched.h> 66 #include <linux/kthread.h> 67 #include <linux/mutex.h> 68 #include <linux/freezer.h> 69 70 #include <asm/unaligned.h> 71 72 #include "usbatm.h" 73 74 #define EAGLEUSBVERSION "ueagle 1.4" 75 76 77 /* 78 * Debug macros 79 */ 80 #define uea_dbg(usb_dev, format, args...) \ 81 do { \ 82 if (debug >= 1) \ 83 dev_dbg(&(usb_dev)->dev, \ 84 "[ueagle-atm dbg] %s: " format, \ 85 __func__, ##args); \ 86 } while (0) 87 88 #define uea_vdbg(usb_dev, format, args...) \ 89 do { \ 90 if (debug >= 2) \ 91 dev_dbg(&(usb_dev)->dev, \ 92 "[ueagle-atm vdbg] " format, ##args); \ 93 } while (0) 94 95 #define uea_enters(usb_dev) \ 96 uea_vdbg(usb_dev, "entering %s\n", __func__) 97 98 #define uea_leaves(usb_dev) \ 99 uea_vdbg(usb_dev, "leaving %s\n", __func__) 100 101 #define uea_err(usb_dev, format,args...) \ 102 dev_err(&(usb_dev)->dev ,"[UEAGLE-ATM] " format , ##args) 103 104 #define uea_warn(usb_dev, format,args...) \ 105 dev_warn(&(usb_dev)->dev ,"[Ueagle-atm] " format, ##args) 106 107 #define uea_info(usb_dev, format,args...) \ 108 dev_info(&(usb_dev)->dev ,"[ueagle-atm] " format, ##args) 109 110 struct intr_pkt; 111 112 /* cmv's from firmware */ 113 struct uea_cmvs_v1 { 114 u32 address; 115 u16 offset; 116 u32 data; 117 } __attribute__ ((packed)); 118 119 struct uea_cmvs_v2 { 120 u32 group; 121 u32 address; 122 u32 offset; 123 u32 data; 124 } __attribute__ ((packed)); 125 126 /* information about currently processed cmv */ 127 struct cmv_dsc_e1 { 128 u8 function; 129 u16 idx; 130 u32 address; 131 u16 offset; 132 }; 133 134 struct cmv_dsc_e4 { 135 u16 function; 136 u16 offset; 137 u16 address; 138 u16 group; 139 }; 140 141 union cmv_dsc { 142 struct cmv_dsc_e1 e1; 143 struct cmv_dsc_e4 e4; 144 }; 145 146 struct uea_softc { 147 struct usb_device *usb_dev; 148 struct usbatm_data *usbatm; 149 150 int modem_index; 151 unsigned int driver_info; 152 int annex; 153 #define ANNEXA 0 154 #define ANNEXB 1 155 156 int booting; 157 int reset; 158 159 wait_queue_head_t sync_q; 160 161 struct task_struct *kthread; 162 u32 data; 163 u32 data1; 164 165 int cmv_ack; 166 union cmv_dsc cmv_dsc; 167 168 struct work_struct task; 169 struct workqueue_struct *work_q; 170 u16 pageno; 171 u16 ovl; 172 173 const struct firmware *dsp_firm; 174 struct urb *urb_int; 175 176 void (*dispatch_cmv) (struct uea_softc *, struct intr_pkt *); 177 void (*schedule_load_page) (struct uea_softc *, struct intr_pkt *); 178 int (*stat) (struct uea_softc *); 179 int (*send_cmvs) (struct uea_softc *); 180 181 /* keep in sync with eaglectl */ 182 struct uea_stats { 183 struct { 184 u32 state; 185 u32 flags; 186 u32 mflags; 187 u32 vidcpe; 188 u32 vidco; 189 u32 dsrate; 190 u32 usrate; 191 u32 dsunc; 192 u32 usunc; 193 u32 dscorr; 194 u32 uscorr; 195 u32 txflow; 196 u32 rxflow; 197 u32 usattenuation; 198 u32 dsattenuation; 199 u32 dsmargin; 200 u32 usmargin; 201 u32 firmid; 202 } phy; 203 } stats; 204 }; 205 206 /* 207 * Elsa IDs 208 */ 209 #define ELSA_VID 0x05CC 210 #define ELSA_PID_PSTFIRM 0x3350 211 #define ELSA_PID_PREFIRM 0x3351 212 213 #define ELSA_PID_A_PREFIRM 0x3352 214 #define ELSA_PID_A_PSTFIRM 0x3353 215 #define ELSA_PID_B_PREFIRM 0x3362 216 #define ELSA_PID_B_PSTFIRM 0x3363 217 218 /* 219 * Devolo IDs : pots if (pid & 0x10) 220 */ 221 #define DEVOLO_VID 0x1039 222 #define DEVOLO_EAGLE_I_A_PID_PSTFIRM 0x2110 223 #define DEVOLO_EAGLE_I_A_PID_PREFIRM 0x2111 224 225 #define DEVOLO_EAGLE_I_B_PID_PSTFIRM 0x2100 226 #define DEVOLO_EAGLE_I_B_PID_PREFIRM 0x2101 227 228 #define DEVOLO_EAGLE_II_A_PID_PSTFIRM 0x2130 229 #define DEVOLO_EAGLE_II_A_PID_PREFIRM 0x2131 230 231 #define DEVOLO_EAGLE_II_B_PID_PSTFIRM 0x2120 232 #define DEVOLO_EAGLE_II_B_PID_PREFIRM 0x2121 233 234 /* 235 * Reference design USB IDs 236 */ 237 #define ANALOG_VID 0x1110 238 #define ADI930_PID_PREFIRM 0x9001 239 #define ADI930_PID_PSTFIRM 0x9000 240 241 #define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */ 242 #define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */ 243 244 #define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */ 245 #define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */ 246 247 #define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */ 248 #define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */ 249 250 #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */ 251 #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */ 252 253 #define EAGLE_IV_PID_PREFIRM 0x9042 /* Eagle IV */ 254 #define EAGLE_IV_PID_PSTFIRM 0x9041 /* Eagle IV */ 255 256 /* 257 * USR USB IDs 258 */ 259 #define USR_VID 0x0BAF 260 #define MILLER_A_PID_PREFIRM 0x00F2 261 #define MILLER_A_PID_PSTFIRM 0x00F1 262 #define MILLER_B_PID_PREFIRM 0x00FA 263 #define MILLER_B_PID_PSTFIRM 0x00F9 264 #define HEINEKEN_A_PID_PREFIRM 0x00F6 265 #define HEINEKEN_A_PID_PSTFIRM 0x00F5 266 #define HEINEKEN_B_PID_PREFIRM 0x00F8 267 #define HEINEKEN_B_PID_PSTFIRM 0x00F7 268 269 #define PREFIRM 0 270 #define PSTFIRM (1<<7) 271 #define AUTO_ANNEX_A (1<<8) 272 #define AUTO_ANNEX_B (1<<9) 273 274 enum { 275 ADI930 = 0, 276 EAGLE_I, 277 EAGLE_II, 278 EAGLE_III, 279 EAGLE_IV 280 }; 281 282 /* macros for both struct usb_device_id and struct uea_softc */ 283 #define UEA_IS_PREFIRM(x) \ 284 (!((x)->driver_info & PSTFIRM)) 285 #define UEA_CHIP_VERSION(x) \ 286 ((x)->driver_info & 0xf) 287 288 #define IS_ISDN(x) \ 289 ((x)->annex & ANNEXB) 290 291 #define INS_TO_USBDEV(ins) ins->usb_dev 292 293 #define GET_STATUS(data) \ 294 ((data >> 8) & 0xf) 295 296 #define IS_OPERATIONAL(sc) \ 297 ((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \ 298 (GET_STATUS(sc->stats.phy.state) == 2) : \ 299 (sc->stats.phy.state == 7)) 300 301 /* 302 * Set of macros to handle unaligned data in the firmware blob. 303 * The FW_GET_BYTE() macro is provided only for consistency. 304 */ 305 306 #define FW_GET_BYTE(p) *((__u8 *) (p)) 307 308 #define FW_DIR "ueagle-atm/" 309 #define UEA_FW_NAME_MAX 30 310 #define NB_MODEM 4 311 312 #define BULK_TIMEOUT 300 313 #define CTRL_TIMEOUT 1000 314 315 #define ACK_TIMEOUT msecs_to_jiffies(3000) 316 317 #define UEA_INTR_IFACE_NO 0 318 #define UEA_US_IFACE_NO 1 319 #define UEA_DS_IFACE_NO 2 320 321 #define FASTEST_ISO_INTF 8 322 323 #define UEA_BULK_DATA_PIPE 0x02 324 #define UEA_IDMA_PIPE 0x04 325 #define UEA_INTR_PIPE 0x04 326 #define UEA_ISO_DATA_PIPE 0x08 327 328 #define UEA_E1_SET_BLOCK 0x0001 329 #define UEA_E4_SET_BLOCK 0x002c 330 #define UEA_SET_MODE 0x0003 331 #define UEA_SET_2183_DATA 0x0004 332 #define UEA_SET_TIMEOUT 0x0011 333 334 #define UEA_LOOPBACK_OFF 0x0002 335 #define UEA_LOOPBACK_ON 0x0003 336 #define UEA_BOOT_IDMA 0x0006 337 #define UEA_START_RESET 0x0007 338 #define UEA_END_RESET 0x0008 339 340 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000) 341 #define UEA_MPTX_START (0x3fce | 0x4000) 342 #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000) 343 #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000) 344 345 /* block information in eagle4 dsp firmware */ 346 struct block_index { 347 __le32 PageOffset; 348 __le32 NotLastBlock; 349 __le32 dummy; 350 __le32 PageSize; 351 __le32 PageAddress; 352 __le16 dummy1; 353 __le16 PageNumber; 354 } __attribute__ ((packed)); 355 356 #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000) 357 #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4) 358 359 #define E4_L1_STRING_HEADER 0x10 360 #define E4_MAX_PAGE_NUMBER 0x58 361 #define E4_NO_SWAPPAGE_HEADERS 0x31 362 363 /* l1_code is eagle4 dsp firmware format */ 364 struct l1_code { 365 u8 string_header[E4_L1_STRING_HEADER]; 366 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER]; 367 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS]; 368 u8 code [0]; 369 } __attribute__ ((packed)); 370 371 /* structures describing a block within a DSP page */ 372 struct block_info_e1 { 373 __le16 wHdr; 374 __le16 wAddress; 375 __le16 wSize; 376 __le16 wOvlOffset; 377 __le16 wOvl; /* overlay */ 378 __le16 wLast; 379 } __attribute__ ((packed)); 380 #define E1_BLOCK_INFO_SIZE 12 381 382 struct block_info_e4 { 383 __be16 wHdr; 384 __u8 bBootPage; 385 __u8 bPageNumber; 386 __be32 dwSize; 387 __be32 dwAddress; 388 __be16 wReserved; 389 } __attribute__ ((packed)); 390 #define E4_BLOCK_INFO_SIZE 14 391 392 #define UEA_BIHDR 0xabcd 393 #define UEA_RESERVED 0xffff 394 395 /* constants describing cmv type */ 396 #define E1_PREAMBLE 0x535c 397 #define E1_MODEMTOHOST 0x01 398 #define E1_HOSTTOMODEM 0x10 399 400 #define E1_MEMACCESS 0x1 401 #define E1_ADSLDIRECTIVE 0x7 402 #define E1_FUNCTION_TYPE(f) ((f) >> 4) 403 #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f) 404 405 #define E4_MEMACCESS 0 406 #define E4_ADSLDIRECTIVE 0xf 407 #define E4_FUNCTION_TYPE(f) ((f) >> 8) 408 #define E4_FUNCTION_SIZE(f) ((f) & 0x0f) 409 #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f) 410 411 /* for MEMACCESS */ 412 #define E1_REQUESTREAD 0x0 413 #define E1_REQUESTWRITE 0x1 414 #define E1_REPLYREAD 0x2 415 #define E1_REPLYWRITE 0x3 416 417 #define E4_REQUESTREAD 0x0 418 #define E4_REQUESTWRITE 0x4 419 #define E4_REPLYREAD (E4_REQUESTREAD | 1) 420 #define E4_REPLYWRITE (E4_REQUESTWRITE | 1) 421 422 /* for ADSLDIRECTIVE */ 423 #define E1_KERNELREADY 0x0 424 #define E1_MODEMREADY 0x1 425 426 #define E4_KERNELREADY 0x0 427 #define E4_MODEMREADY 0x1 428 429 #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf)) 430 #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | ((st) & 0xf) << 4 | ((s) & 0xf)) 431 432 #define E1_MAKESA(a, b, c, d) \ 433 (((c) & 0xff) << 24 | \ 434 ((d) & 0xff) << 16 | \ 435 ((a) & 0xff) << 8 | \ 436 ((b) & 0xff)) 437 438 #define E1_GETSA1(a) ((a >> 8) & 0xff) 439 #define E1_GETSA2(a) (a & 0xff) 440 #define E1_GETSA3(a) ((a >> 24) & 0xff) 441 #define E1_GETSA4(a) ((a >> 16) & 0xff) 442 443 #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L') 444 #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G') 445 #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O') 446 #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N') 447 #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E') 448 #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T') 449 450 #define E4_SA_CNTL 1 451 #define E4_SA_STAT 2 452 #define E4_SA_INFO 3 453 #define E4_SA_TEST 4 454 #define E4_SA_OPTN 5 455 #define E4_SA_RATE 6 456 #define E4_SA_DIAG 7 457 #define E4_SA_CNFG 8 458 459 /* structures representing a CMV (Configuration and Management Variable) */ 460 struct cmv_e1 { 461 __le16 wPreamble; 462 __u8 bDirection; 463 __u8 bFunction; 464 __le16 wIndex; 465 __le32 dwSymbolicAddress; 466 __le16 wOffsetAddress; 467 __le32 dwData; 468 } __attribute__ ((packed)); 469 470 struct cmv_e4 { 471 __be16 wGroup; 472 __be16 wFunction; 473 __be16 wOffset; 474 __be16 wAddress; 475 __be32 dwData [6]; 476 } __attribute__ ((packed)); 477 478 /* structures representing swap information */ 479 struct swap_info_e1 { 480 __u8 bSwapPageNo; 481 __u8 bOvl; /* overlay */ 482 } __attribute__ ((packed)); 483 484 struct swap_info_e4 { 485 __u8 bSwapPageNo; 486 } __attribute__ ((packed)); 487 488 /* structures representing interrupt data */ 489 #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo 490 #define e1_bOvl u.e1.s1.swapinfo.bOvl 491 #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo 492 493 #define INT_LOADSWAPPAGE 0x0001 494 #define INT_INCOMINGCMV 0x0002 495 496 union intr_data_e1 { 497 struct { 498 struct swap_info_e1 swapinfo; 499 __le16 wDataSize; 500 } __attribute__ ((packed)) s1; 501 struct { 502 struct cmv_e1 cmv; 503 __le16 wDataSize; 504 } __attribute__ ((packed)) s2; 505 } __attribute__ ((packed)); 506 507 union intr_data_e4 { 508 struct { 509 struct swap_info_e4 swapinfo; 510 __le16 wDataSize; 511 } __attribute__ ((packed)) s1; 512 struct { 513 struct cmv_e4 cmv; 514 __le16 wDataSize; 515 } __attribute__ ((packed)) s2; 516 } __attribute__ ((packed)); 517 518 struct intr_pkt { 519 __u8 bType; 520 __u8 bNotification; 521 __le16 wValue; 522 __le16 wIndex; 523 __le16 wLength; 524 __le16 wInterrupt; 525 union { 526 union intr_data_e1 e1; 527 union intr_data_e4 e4; 528 } u; 529 } __attribute__ ((packed)); 530 531 #define E1_INTR_PKT_SIZE 28 532 #define E4_INTR_PKT_SIZE 64 533 534 static struct usb_driver uea_driver; 535 static DEFINE_MUTEX(uea_mutex); 536 static const char *chip_name[] = {"ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"}; 537 538 static int modem_index; 539 static unsigned int debug; 540 static unsigned int altsetting[NB_MODEM] = {[0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF}; 541 static int sync_wait[NB_MODEM]; 542 static char *cmv_file[NB_MODEM]; 543 static int annex[NB_MODEM]; 544 545 module_param(debug, uint, 0644); 546 MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)"); 547 module_param_array(altsetting, uint, NULL, 0644); 548 MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, " 549 "1=isoc slowest, ... , 8=isoc fastest (default)"); 550 module_param_array(sync_wait, bool, NULL, 0644); 551 MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM"); 552 module_param_array(cmv_file, charp, NULL, 0644); 553 MODULE_PARM_DESC(cmv_file, 554 "file name with configuration and management variables"); 555 module_param_array(annex, uint, NULL, 0644); 556 MODULE_PARM_DESC(annex, 557 "manually set annex a/b (0=auto, 1=annex a, 2=annex b)"); 558 559 #define uea_wait(sc, cond, timeo) \ 560 ({ \ 561 int _r = wait_event_interruptible_timeout(sc->sync_q, \ 562 (cond) || kthread_should_stop(), timeo); \ 563 if (kthread_should_stop()) \ 564 _r = -ENODEV; \ 565 _r; \ 566 }) 567 568 #define UPDATE_ATM_STAT(type, val) \ 569 do { \ 570 if (sc->usbatm->atm_dev) \ 571 sc->usbatm->atm_dev->type = val; \ 572 } while (0) 573 574 /* Firmware loading */ 575 #define LOAD_INTERNAL 0xA0 576 #define F8051_USBCS 0x7f92 577 578 /** 579 * uea_send_modem_cmd - Send a command for pre-firmware devices. 580 */ 581 static int uea_send_modem_cmd(struct usb_device *usb, 582 u16 addr, u16 size, const u8 *buff) 583 { 584 int ret = -ENOMEM; 585 u8 *xfer_buff; 586 587 xfer_buff = kmemdup(buff, size, GFP_KERNEL); 588 if (xfer_buff) { 589 ret = usb_control_msg(usb, 590 usb_sndctrlpipe(usb, 0), 591 LOAD_INTERNAL, 592 USB_DIR_OUT | USB_TYPE_VENDOR | 593 USB_RECIP_DEVICE, addr, 0, xfer_buff, 594 size, CTRL_TIMEOUT); 595 kfree(xfer_buff); 596 } 597 598 if (ret < 0) 599 return ret; 600 601 return (ret == size) ? 0 : -EIO; 602 } 603 604 static void uea_upload_pre_firmware(const struct firmware *fw_entry, void *context) 605 { 606 struct usb_device *usb = context; 607 const u8 *pfw; 608 u8 value; 609 u32 crc = 0; 610 int ret, size; 611 612 uea_enters(usb); 613 if (!fw_entry) { 614 uea_err(usb, "firmware is not available\n"); 615 goto err; 616 } 617 618 pfw = fw_entry->data; 619 size = fw_entry->size; 620 if (size < 4) 621 goto err_fw_corrupted; 622 623 crc = get_unaligned_le32(pfw); 624 pfw += 4; 625 size -= 4; 626 if (crc32_be(0, pfw, size) != crc) 627 goto err_fw_corrupted; 628 629 /* 630 * Start to upload firmware : send reset 631 */ 632 value = 1; 633 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value); 634 635 if (ret < 0) { 636 uea_err(usb, "modem reset failed with error %d\n", ret); 637 goto err; 638 } 639 640 while (size > 3) { 641 u8 len = FW_GET_BYTE(pfw); 642 u16 add = get_unaligned_le16(pfw + 1); 643 644 size -= len + 3; 645 if (size < 0) 646 goto err_fw_corrupted; 647 648 ret = uea_send_modem_cmd(usb, add, len, pfw + 3); 649 if (ret < 0) { 650 uea_err(usb, "uploading firmware data failed " 651 "with error %d\n", ret); 652 goto err; 653 } 654 pfw += len + 3; 655 } 656 657 if (size != 0) 658 goto err_fw_corrupted; 659 660 /* 661 * Tell the modem we finish : de-assert reset 662 */ 663 value = 0; 664 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value); 665 if (ret < 0) 666 uea_err(usb, "modem de-assert failed with error %d\n", ret); 667 else 668 uea_info(usb, "firmware uploaded\n"); 669 670 goto err; 671 672 err_fw_corrupted: 673 uea_err(usb, "firmware is corrupted\n"); 674 err: 675 release_firmware(fw_entry); 676 uea_leaves(usb); 677 } 678 679 /** 680 * uea_load_firmware - Load usb firmware for pre-firmware devices. 681 */ 682 static int uea_load_firmware(struct usb_device *usb, unsigned int ver) 683 { 684 int ret; 685 char *fw_name = FW_DIR "eagle.fw"; 686 687 uea_enters(usb); 688 uea_info(usb, "pre-firmware device, uploading firmware\n"); 689 690 switch (ver) { 691 case ADI930: 692 fw_name = FW_DIR "adi930.fw"; 693 break; 694 case EAGLE_I: 695 fw_name = FW_DIR "eagleI.fw"; 696 break; 697 case EAGLE_II: 698 fw_name = FW_DIR "eagleII.fw"; 699 break; 700 case EAGLE_III: 701 fw_name = FW_DIR "eagleIII.fw"; 702 break; 703 case EAGLE_IV: 704 fw_name = FW_DIR "eagleIV.fw"; 705 break; 706 } 707 708 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, 709 GFP_KERNEL, usb, uea_upload_pre_firmware); 710 if (ret) 711 uea_err(usb, "firmware %s is not available\n", fw_name); 712 else 713 uea_info(usb, "loading firmware %s\n", fw_name); 714 715 uea_leaves(usb); 716 return ret; 717 } 718 719 /* modem management : dsp firmware, send/read CMV, monitoring statistic 720 */ 721 722 /* 723 * Make sure that the DSP code provided is safe to use. 724 */ 725 static int check_dsp_e1(const u8 *dsp, unsigned int len) 726 { 727 u8 pagecount, blockcount; 728 u16 blocksize; 729 u32 pageoffset; 730 unsigned int i, j, p, pp; 731 732 pagecount = FW_GET_BYTE(dsp); 733 p = 1; 734 735 /* enough space for page offsets? */ 736 if (p + 4 * pagecount > len) 737 return 1; 738 739 for (i = 0; i < pagecount; i++) { 740 741 pageoffset = get_unaligned_le32(dsp + p); 742 p += 4; 743 744 if (pageoffset == 0) 745 continue; 746 747 /* enough space for blockcount? */ 748 if (pageoffset >= len) 749 return 1; 750 751 pp = pageoffset; 752 blockcount = FW_GET_BYTE(dsp + pp); 753 pp += 1; 754 755 for (j = 0; j < blockcount; j++) { 756 757 /* enough space for block header? */ 758 if (pp + 4 > len) 759 return 1; 760 761 pp += 2; /* skip blockaddr */ 762 blocksize = get_unaligned_le16(dsp + pp); 763 pp += 2; 764 765 /* enough space for block data? */ 766 if (pp + blocksize > len) 767 return 1; 768 769 pp += blocksize; 770 } 771 } 772 773 return 0; 774 } 775 776 static int check_dsp_e4(const u8 *dsp, int len) 777 { 778 int i; 779 struct l1_code *p = (struct l1_code *) dsp; 780 unsigned int sum = p->code - dsp; 781 782 if (len < sum) 783 return 1; 784 785 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 && 786 strcmp("STRATIPHY ANEXB", p->string_header) != 0) 787 return 1; 788 789 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) { 790 struct block_index *blockidx; 791 u8 blockno = p->page_number_to_block_index[i]; 792 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 793 continue; 794 795 do { 796 u64 l; 797 798 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 799 return 1; 800 801 blockidx = &p->page_header[blockno++]; 802 if ((u8 *)(blockidx + 1) - dsp >= len) 803 return 1; 804 805 if (le16_to_cpu(blockidx->PageNumber) != i) 806 return 1; 807 808 l = E4_PAGE_BYTES(blockidx->PageSize); 809 sum += l; 810 l += le32_to_cpu(blockidx->PageOffset); 811 if (l > len) 812 return 1; 813 814 /* zero is zero regardless endianes */ 815 } while (blockidx->NotLastBlock); 816 } 817 818 return (sum == len) ? 0 : 1; 819 } 820 821 /* 822 * send data to the idma pipe 823 * */ 824 static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size) 825 { 826 int ret = -ENOMEM; 827 u8 *xfer_buff; 828 int bytes_read; 829 830 xfer_buff = kmemdup(data, size, GFP_KERNEL); 831 if (!xfer_buff) { 832 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 833 return ret; 834 } 835 836 ret = usb_bulk_msg(sc->usb_dev, 837 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE), 838 xfer_buff, size, &bytes_read, BULK_TIMEOUT); 839 840 kfree(xfer_buff); 841 if (ret < 0) 842 return ret; 843 if (size != bytes_read) { 844 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size, 845 bytes_read); 846 return -EIO; 847 } 848 849 return 0; 850 } 851 852 static int request_dsp(struct uea_softc *sc) 853 { 854 int ret; 855 char *dsp_name; 856 857 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 858 if (IS_ISDN(sc)) 859 dsp_name = FW_DIR "DSP4i.bin"; 860 else 861 dsp_name = FW_DIR "DSP4p.bin"; 862 } else if (UEA_CHIP_VERSION(sc) == ADI930) { 863 if (IS_ISDN(sc)) 864 dsp_name = FW_DIR "DSP9i.bin"; 865 else 866 dsp_name = FW_DIR "DSP9p.bin"; 867 } else { 868 if (IS_ISDN(sc)) 869 dsp_name = FW_DIR "DSPei.bin"; 870 else 871 dsp_name = FW_DIR "DSPep.bin"; 872 } 873 874 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev); 875 if (ret < 0) { 876 uea_err(INS_TO_USBDEV(sc), 877 "requesting firmware %s failed with error %d\n", 878 dsp_name, ret); 879 return ret; 880 } 881 882 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 883 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size); 884 else 885 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size); 886 887 if (ret) { 888 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 889 dsp_name); 890 release_firmware(sc->dsp_firm); 891 sc->dsp_firm = NULL; 892 return -EILSEQ; 893 } 894 895 return 0; 896 } 897 898 /* 899 * The uea_load_page() function must be called within a process context 900 */ 901 static void uea_load_page_e1(struct work_struct *work) 902 { 903 struct uea_softc *sc = container_of(work, struct uea_softc, task); 904 u16 pageno = sc->pageno; 905 u16 ovl = sc->ovl; 906 struct block_info_e1 bi; 907 908 const u8 *p; 909 u8 pagecount, blockcount; 910 u16 blockaddr, blocksize; 911 u32 pageoffset; 912 int i; 913 914 /* reload firmware when reboot start and it's loaded already */ 915 if (ovl == 0 && pageno == 0 && sc->dsp_firm) { 916 release_firmware(sc->dsp_firm); 917 sc->dsp_firm = NULL; 918 } 919 920 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 921 return; 922 923 p = sc->dsp_firm->data; 924 pagecount = FW_GET_BYTE(p); 925 p += 1; 926 927 if (pageno >= pagecount) 928 goto bad1; 929 930 p += 4 * pageno; 931 pageoffset = get_unaligned_le32(p); 932 933 if (pageoffset == 0) 934 goto bad1; 935 936 p = sc->dsp_firm->data + pageoffset; 937 blockcount = FW_GET_BYTE(p); 938 p += 1; 939 940 uea_dbg(INS_TO_USBDEV(sc), 941 "sending %u blocks for DSP page %u\n", blockcount, pageno); 942 943 bi.wHdr = cpu_to_le16(UEA_BIHDR); 944 bi.wOvl = cpu_to_le16(ovl); 945 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000); 946 947 for (i = 0; i < blockcount; i++) { 948 blockaddr = get_unaligned_le16(p); 949 p += 2; 950 951 blocksize = get_unaligned_le16(p); 952 p += 2; 953 954 bi.wSize = cpu_to_le16(blocksize); 955 bi.wAddress = cpu_to_le16(blockaddr); 956 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0); 957 958 /* send block info through the IDMA pipe */ 959 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE)) 960 goto bad2; 961 962 /* send block data through the IDMA pipe */ 963 if (uea_idma_write(sc, p, blocksize)) 964 goto bad2; 965 966 p += blocksize; 967 } 968 969 return; 970 971 bad2: 972 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i); 973 return; 974 bad1: 975 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno); 976 } 977 978 static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot) 979 { 980 struct block_info_e4 bi; 981 struct block_index *blockidx; 982 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data; 983 u8 blockno = p->page_number_to_block_index[pageno]; 984 985 bi.wHdr = cpu_to_be16(UEA_BIHDR); 986 bi.bBootPage = boot; 987 bi.bPageNumber = pageno; 988 bi.wReserved = cpu_to_be16(UEA_RESERVED); 989 990 do { 991 const u8 *blockoffset; 992 unsigned int blocksize; 993 994 blockidx = &p->page_header[blockno]; 995 blocksize = E4_PAGE_BYTES(blockidx->PageSize); 996 blockoffset = sc->dsp_firm->data + le32_to_cpu(blockidx->PageOffset); 997 998 bi.dwSize = cpu_to_be32(blocksize); 999 bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress)); 1000 1001 uea_dbg(INS_TO_USBDEV(sc), 1002 "sending block %u for DSP page %u size %u address %x\n", 1003 blockno, pageno, blocksize, le32_to_cpu(blockidx->PageAddress)); 1004 1005 /* send block info through the IDMA pipe */ 1006 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1007 goto bad; 1008 1009 /* send block data through the IDMA pipe */ 1010 if (uea_idma_write(sc, blockoffset, blocksize)) 1011 goto bad; 1012 1013 blockno++; 1014 } while (blockidx->NotLastBlock); 1015 1016 return; 1017 1018 bad: 1019 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno); 1020 return; 1021 } 1022 1023 static void uea_load_page_e4(struct work_struct *work) 1024 { 1025 struct uea_softc *sc = container_of(work, struct uea_softc, task); 1026 u8 pageno = sc->pageno; 1027 int i; 1028 struct block_info_e4 bi; 1029 struct l1_code *p; 1030 1031 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno); 1032 1033 /* reload firmware when reboot start and it's loaded already */ 1034 if (pageno == 0 && sc->dsp_firm) { 1035 release_firmware(sc->dsp_firm); 1036 sc->dsp_firm = NULL; 1037 } 1038 1039 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 1040 return; 1041 1042 p = (struct l1_code *) sc->dsp_firm->data; 1043 if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) { 1044 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno); 1045 return; 1046 } 1047 1048 if (pageno != 0) { 1049 __uea_load_page_e4(sc, pageno, 0); 1050 return; 1051 } 1052 1053 uea_dbg(INS_TO_USBDEV(sc), 1054 "sending Main DSP page %u\n", p->page_header[0].PageNumber); 1055 1056 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) { 1057 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize)) 1058 __uea_load_page_e4(sc, i, 1); 1059 } 1060 1061 uea_dbg(INS_TO_USBDEV(sc),"sending start bi\n"); 1062 1063 bi.wHdr = cpu_to_be16(UEA_BIHDR); 1064 bi.bBootPage = 0; 1065 bi.bPageNumber = 0xff; 1066 bi.wReserved = cpu_to_be16(UEA_RESERVED); 1067 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize)); 1068 bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress)); 1069 1070 /* send block info through the IDMA pipe */ 1071 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1072 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n"); 1073 } 1074 1075 static inline void wake_up_cmv_ack(struct uea_softc *sc) 1076 { 1077 BUG_ON(sc->cmv_ack); 1078 sc->cmv_ack = 1; 1079 wake_up(&sc->sync_q); 1080 } 1081 1082 static inline int wait_cmv_ack(struct uea_softc *sc) 1083 { 1084 int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT); 1085 1086 sc->cmv_ack = 0; 1087 1088 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n", 1089 jiffies_to_msecs(ret)); 1090 1091 if (ret < 0) 1092 return ret; 1093 1094 return (ret == 0) ? -ETIMEDOUT : 0; 1095 } 1096 1097 #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00 1098 1099 static int uea_request(struct uea_softc *sc, 1100 u16 value, u16 index, u16 size, const void *data) 1101 { 1102 u8 *xfer_buff; 1103 int ret = -ENOMEM; 1104 1105 xfer_buff = kmemdup(data, size, GFP_KERNEL); 1106 if (!xfer_buff) { 1107 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 1108 return ret; 1109 } 1110 1111 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0), 1112 UCDC_SEND_ENCAPSULATED_COMMAND, 1113 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 1114 value, index, xfer_buff, size, CTRL_TIMEOUT); 1115 1116 kfree(xfer_buff); 1117 if (ret < 0) { 1118 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret); 1119 return ret; 1120 } 1121 1122 if (ret != size) { 1123 uea_err(INS_TO_USBDEV(sc), 1124 "usb_control_msg send only %d bytes (instead of %d)\n", 1125 ret, size); 1126 return -EIO; 1127 } 1128 1129 return 0; 1130 } 1131 1132 static int uea_cmv_e1(struct uea_softc *sc, 1133 u8 function, u32 address, u16 offset, u32 data) 1134 { 1135 struct cmv_e1 cmv; 1136 int ret; 1137 1138 uea_enters(INS_TO_USBDEV(sc)); 1139 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, " 1140 "offset : 0x%04x, data : 0x%08x\n", 1141 E1_FUNCTION_TYPE(function), E1_FUNCTION_SUBTYPE(function), 1142 E1_GETSA1(address), E1_GETSA2(address), E1_GETSA3(address), 1143 E1_GETSA4(address), offset, data); 1144 1145 /* we send a request, but we expect a reply */ 1146 sc->cmv_dsc.e1.function = function | 0x2; 1147 sc->cmv_dsc.e1.idx++; 1148 sc->cmv_dsc.e1.address = address; 1149 sc->cmv_dsc.e1.offset = offset; 1150 1151 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE); 1152 cmv.bDirection = E1_HOSTTOMODEM; 1153 cmv.bFunction = function; 1154 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx); 1155 put_unaligned_le32(address, &cmv.dwSymbolicAddress); 1156 cmv.wOffsetAddress = cpu_to_le16(offset); 1157 put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData); 1158 1159 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START, sizeof(cmv), &cmv); 1160 if (ret < 0) 1161 return ret; 1162 ret = wait_cmv_ack(sc); 1163 uea_leaves(INS_TO_USBDEV(sc)); 1164 return ret; 1165 } 1166 1167 static int uea_cmv_e4(struct uea_softc *sc, 1168 u16 function, u16 group, u16 address, u16 offset, u32 data) 1169 { 1170 struct cmv_e4 cmv; 1171 int ret; 1172 1173 uea_enters(INS_TO_USBDEV(sc)); 1174 memset(&cmv, 0, sizeof(cmv)); 1175 1176 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, " 1177 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n", 1178 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function), 1179 group, address, offset, data); 1180 1181 /* we send a request, but we expect a reply */ 1182 sc->cmv_dsc.e4.function = function | (0x1 << 4); 1183 sc->cmv_dsc.e4.offset = offset; 1184 sc->cmv_dsc.e4.address = address; 1185 sc->cmv_dsc.e4.group = group; 1186 1187 cmv.wFunction = cpu_to_be16(function); 1188 cmv.wGroup = cpu_to_be16(group); 1189 cmv.wAddress = cpu_to_be16(address); 1190 cmv.wOffset = cpu_to_be16(offset); 1191 cmv.dwData[0] = cpu_to_be32(data); 1192 1193 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START, sizeof(cmv), &cmv); 1194 if (ret < 0) 1195 return ret; 1196 ret = wait_cmv_ack(sc); 1197 uea_leaves(INS_TO_USBDEV(sc)); 1198 return ret; 1199 } 1200 1201 static inline int uea_read_cmv_e1(struct uea_softc *sc, 1202 u32 address, u16 offset, u32 *data) 1203 { 1204 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD), 1205 address, offset, 0); 1206 if (ret < 0) 1207 uea_err(INS_TO_USBDEV(sc), 1208 "reading cmv failed with error %d\n", ret); 1209 else 1210 *data = sc->data; 1211 1212 return ret; 1213 } 1214 1215 static inline int uea_read_cmv_e4(struct uea_softc *sc, 1216 u8 size, u16 group, u16 address, u16 offset, u32 *data) 1217 { 1218 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, E4_REQUESTREAD, size), 1219 group, address, offset, 0); 1220 if (ret < 0) 1221 uea_err(INS_TO_USBDEV(sc), 1222 "reading cmv failed with error %d\n", ret); 1223 else { 1224 *data = sc->data; 1225 /* size is in 16-bit word quantities */ 1226 if (size > 2) 1227 *(data + 1) = sc->data1; 1228 } 1229 return ret; 1230 } 1231 1232 static inline int uea_write_cmv_e1(struct uea_softc *sc, 1233 u32 address, u16 offset, u32 data) 1234 { 1235 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE), 1236 address, offset, data); 1237 if (ret < 0) 1238 uea_err(INS_TO_USBDEV(sc), 1239 "writing cmv failed with error %d\n", ret); 1240 1241 return ret; 1242 } 1243 1244 static inline int uea_write_cmv_e4(struct uea_softc *sc, 1245 u8 size, u16 group, u16 address, u16 offset, u32 data) 1246 { 1247 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, E4_REQUESTWRITE, size), 1248 group, address, offset, data); 1249 if (ret < 0) 1250 uea_err(INS_TO_USBDEV(sc), 1251 "writing cmv failed with error %d\n", ret); 1252 1253 return ret; 1254 } 1255 1256 static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate) 1257 { 1258 int ret; 1259 u16 timeout; 1260 1261 /* in bulk mode the modem have problem with high rate 1262 * changing internal timing could improve things, but the 1263 * value is misterious. 1264 * ADI930 don't support it (-EPIPE error). 1265 */ 1266 1267 if (UEA_CHIP_VERSION(sc) == ADI930 || 1268 altsetting[sc->modem_index] > 0 || 1269 sc->stats.phy.dsrate == dsrate) 1270 return; 1271 1272 /* Original timming (1Mbit/s) from ADI (used in windows driver) */ 1273 timeout = (dsrate <= 1024*1024) ? 0 : 1; 1274 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL); 1275 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n", 1276 timeout, ret < 0 ? " failed" : ""); 1277 1278 } 1279 1280 /* 1281 * Monitor the modem and update the stat 1282 * return 0 if everything is ok 1283 * return < 0 if an error occurs (-EAGAIN reboot needed) 1284 */ 1285 static int uea_stat_e1(struct uea_softc *sc) 1286 { 1287 u32 data; 1288 int ret; 1289 1290 uea_enters(INS_TO_USBDEV(sc)); 1291 data = sc->stats.phy.state; 1292 1293 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state); 1294 if (ret < 0) 1295 return ret; 1296 1297 switch (GET_STATUS(sc->stats.phy.state)) { 1298 case 0: /* not yet synchronized */ 1299 uea_dbg(INS_TO_USBDEV(sc), 1300 "modem not yet synchronized\n"); 1301 return 0; 1302 1303 case 1: /* initialization */ 1304 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1305 return 0; 1306 1307 case 2: /* operational */ 1308 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n"); 1309 break; 1310 1311 case 3: /* fail ... */ 1312 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed" 1313 " (may be try other cmv/dsp)\n"); 1314 return -EAGAIN; 1315 1316 case 4 ... 6: /* test state */ 1317 uea_warn(INS_TO_USBDEV(sc), 1318 "modem in test mode - not supported\n"); 1319 return -EAGAIN; 1320 1321 case 7: /* fast-retain ... */ 1322 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n"); 1323 return 0; 1324 default: 1325 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n", 1326 GET_STATUS(sc->stats.phy.state)); 1327 return -EAGAIN; 1328 } 1329 1330 if (GET_STATUS(data) != 2) { 1331 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1332 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1333 1334 /* release the dsp firmware as it is not needed until 1335 * the next failure 1336 */ 1337 if (sc->dsp_firm) { 1338 release_firmware(sc->dsp_firm); 1339 sc->dsp_firm = NULL; 1340 } 1341 } 1342 1343 /* always update it as atm layer could not be init when we switch to 1344 * operational state 1345 */ 1346 UPDATE_ATM_STAT(signal, ATM_PHY_SIG_FOUND); 1347 1348 /* wake up processes waiting for synchronization */ 1349 wake_up(&sc->sync_q); 1350 1351 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags); 1352 if (ret < 0) 1353 return ret; 1354 sc->stats.phy.mflags |= sc->stats.phy.flags; 1355 1356 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1357 * we check the status again in order to detect the failure earlier 1358 */ 1359 if (sc->stats.phy.flags) { 1360 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1361 sc->stats.phy.flags); 1362 return 0; 1363 } 1364 1365 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data); 1366 if (ret < 0) 1367 return ret; 1368 1369 uea_set_bulk_timeout(sc, (data >> 16) * 32); 1370 sc->stats.phy.dsrate = (data >> 16) * 32; 1371 sc->stats.phy.usrate = (data & 0xffff) * 32; 1372 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1373 1374 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data); 1375 if (ret < 0) 1376 return ret; 1377 sc->stats.phy.dsattenuation = (data & 0xff) / 2; 1378 1379 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data); 1380 if (ret < 0) 1381 return ret; 1382 sc->stats.phy.usattenuation = (data & 0xff) / 2; 1383 1384 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin); 1385 if (ret < 0) 1386 return ret; 1387 1388 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin); 1389 if (ret < 0) 1390 return ret; 1391 1392 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow); 1393 if (ret < 0) 1394 return ret; 1395 1396 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow); 1397 if (ret < 0) 1398 return ret; 1399 1400 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc); 1401 if (ret < 0) 1402 return ret; 1403 1404 /* only for atu-c */ 1405 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc); 1406 if (ret < 0) 1407 return ret; 1408 1409 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr); 1410 if (ret < 0) 1411 return ret; 1412 1413 /* only for atu-c */ 1414 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr); 1415 if (ret < 0) 1416 return ret; 1417 1418 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco); 1419 if (ret < 0) 1420 return ret; 1421 1422 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe); 1423 if (ret < 0) 1424 return ret; 1425 1426 return 0; 1427 } 1428 1429 static int uea_stat_e4(struct uea_softc *sc) 1430 { 1431 u32 data; 1432 u32 tmp_arr[2]; 1433 int ret; 1434 1435 uea_enters(INS_TO_USBDEV(sc)); 1436 data = sc->stats.phy.state; 1437 1438 /* XXX only need to be done before operationnal... */ 1439 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state); 1440 if (ret < 0) 1441 return ret; 1442 1443 switch (sc->stats.phy.state) { 1444 case 0x0: /* not yet synchronized */ 1445 case 0x1: 1446 case 0x3: 1447 case 0x4: 1448 uea_dbg(INS_TO_USBDEV(sc), "modem not yet synchronized\n"); 1449 return 0; 1450 case 0x5: /* initialization */ 1451 case 0x6: 1452 case 0x9: 1453 case 0xa: 1454 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1455 return 0; 1456 case 0x2: /* fail ... */ 1457 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed" 1458 " (may be try other cmv/dsp)\n"); 1459 return -EAGAIN; 1460 case 0x7: /* operational */ 1461 break; 1462 default: 1463 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n", sc->stats.phy.state); 1464 return 0; 1465 } 1466 1467 if (data != 7) { 1468 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1469 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1470 1471 /* release the dsp firmware as it is not needed until 1472 * the next failure 1473 */ 1474 if (sc->dsp_firm) { 1475 release_firmware(sc->dsp_firm); 1476 sc->dsp_firm = NULL; 1477 } 1478 } 1479 1480 /* always update it as atm layer could not be init when we switch to 1481 * operational state 1482 */ 1483 UPDATE_ATM_STAT(signal, ATM_PHY_SIG_FOUND); 1484 1485 /* wake up processes waiting for synchronization */ 1486 wake_up(&sc->sync_q); 1487 1488 /* TODO improve this state machine : 1489 * we need some CMV info : what they do and their unit 1490 * we should find the equivalent of eagle3- CMV 1491 */ 1492 /* check flags */ 1493 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags); 1494 if (ret < 0) 1495 return ret; 1496 sc->stats.phy.mflags |= sc->stats.phy.flags; 1497 1498 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1499 * we check the status again in order to detect the failure earlier 1500 */ 1501 if (sc->stats.phy.flags) { 1502 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1503 sc->stats.phy.flags); 1504 if (sc->stats.phy.flags & 1) //delineation LOSS 1505 return -EAGAIN; 1506 if (sc->stats.phy.flags & 0x4000) //Reset Flag 1507 return -EAGAIN; 1508 return 0; 1509 } 1510 1511 /* rate data may be in upper or lower half of 64 bit word, strange */ 1512 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr); 1513 if (ret < 0) 1514 return ret; 1515 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1516 sc->stats.phy.usrate = data / 1000; 1517 1518 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr); 1519 if (ret < 0) 1520 return ret; 1521 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1522 uea_set_bulk_timeout(sc, data / 1000); 1523 sc->stats.phy.dsrate = data / 1000; 1524 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1525 1526 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data); 1527 if (ret < 0) 1528 return ret; 1529 sc->stats.phy.dsattenuation = data / 10; 1530 1531 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data); 1532 if (ret < 0) 1533 return ret; 1534 sc->stats.phy.usattenuation = data / 10; 1535 1536 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data); 1537 if (ret < 0) 1538 return ret; 1539 sc->stats.phy.dsmargin = data / 2; 1540 1541 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data); 1542 if (ret < 0) 1543 return ret; 1544 sc->stats.phy.usmargin = data / 10; 1545 1546 return 0; 1547 } 1548 1549 static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver) 1550 { 1551 char file_arr[] = "CMVxy.bin"; 1552 char *file; 1553 1554 /* set proper name corresponding modem version and line type */ 1555 if (cmv_file[sc->modem_index] == NULL) { 1556 if (UEA_CHIP_VERSION(sc) == ADI930) 1557 file_arr[3] = '9'; 1558 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1559 file_arr[3] = '4'; 1560 else 1561 file_arr[3] = 'e'; 1562 1563 file_arr[4] = IS_ISDN(sc) ? 'i' : 'p'; 1564 file = file_arr; 1565 } else 1566 file = cmv_file[sc->modem_index]; 1567 1568 strcpy(cmv_name, FW_DIR); 1569 strlcat(cmv_name, file, UEA_FW_NAME_MAX); 1570 if (ver == 2) 1571 strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX); 1572 } 1573 1574 static int request_cmvs_old(struct uea_softc *sc, 1575 void **cmvs, const struct firmware **fw) 1576 { 1577 int ret, size; 1578 u8 *data; 1579 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1580 1581 cmvs_file_name(sc, cmv_name, 1); 1582 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1583 if (ret < 0) { 1584 uea_err(INS_TO_USBDEV(sc), 1585 "requesting firmware %s failed with error %d\n", 1586 cmv_name, ret); 1587 return ret; 1588 } 1589 1590 data = (u8 *) (*fw)->data; 1591 size = (*fw)->size; 1592 if (size < 1) 1593 goto err_fw_corrupted; 1594 1595 if (size != *data * sizeof(struct uea_cmvs_v1) + 1) 1596 goto err_fw_corrupted; 1597 1598 *cmvs = (void *)(data + 1); 1599 return *data; 1600 1601 err_fw_corrupted: 1602 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1603 release_firmware(*fw); 1604 return -EILSEQ; 1605 } 1606 1607 static int request_cmvs(struct uea_softc *sc, 1608 void **cmvs, const struct firmware **fw, int *ver) 1609 { 1610 int ret, size; 1611 u32 crc; 1612 u8 *data; 1613 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1614 1615 cmvs_file_name(sc, cmv_name, 2); 1616 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1617 if (ret < 0) { 1618 /* if caller can handle old version, try to provide it */ 1619 if (*ver == 1) { 1620 uea_warn(INS_TO_USBDEV(sc), "requesting firmware %s failed, " 1621 "try to get older cmvs\n", cmv_name); 1622 return request_cmvs_old(sc, cmvs, fw); 1623 } 1624 uea_err(INS_TO_USBDEV(sc), 1625 "requesting firmware %s failed with error %d\n", 1626 cmv_name, ret); 1627 return ret; 1628 } 1629 1630 size = (*fw)->size; 1631 data = (u8 *) (*fw)->data; 1632 if (size < 4 || strncmp(data, "cmv2", 4) != 0) { 1633 if (*ver == 1) { 1634 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted, " 1635 "try to get older cmvs\n", cmv_name); 1636 release_firmware(*fw); 1637 return request_cmvs_old(sc, cmvs, fw); 1638 } 1639 goto err_fw_corrupted; 1640 } 1641 1642 *ver = 2; 1643 1644 data += 4; 1645 size -= 4; 1646 if (size < 5) 1647 goto err_fw_corrupted; 1648 1649 crc = get_unaligned_le32(data); 1650 data += 4; 1651 size -= 4; 1652 if (crc32_be(0, data, size) != crc) 1653 goto err_fw_corrupted; 1654 1655 if (size != *data * sizeof(struct uea_cmvs_v2) + 1) 1656 goto err_fw_corrupted; 1657 1658 *cmvs = (void *) (data + 1); 1659 return *data; 1660 1661 err_fw_corrupted: 1662 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1663 release_firmware(*fw); 1664 return -EILSEQ; 1665 } 1666 1667 static int uea_send_cmvs_e1(struct uea_softc *sc) 1668 { 1669 int i, ret, len; 1670 void *cmvs_ptr; 1671 const struct firmware *cmvs_fw; 1672 int ver = 1; // we can handle v1 cmv firmware version; 1673 1674 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1675 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1); 1676 if (ret < 0) 1677 return ret; 1678 1679 /* Dump firmware version */ 1680 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid); 1681 if (ret < 0) 1682 return ret; 1683 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1684 sc->stats.phy.firmid); 1685 1686 /* get options */ 1687 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1688 if (ret < 0) 1689 return ret; 1690 1691 /* send options */ 1692 if (ver == 1) { 1693 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr; 1694 1695 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, " 1696 "please update your firmware\n"); 1697 1698 for (i = 0; i < len; i++) { 1699 ret = uea_write_cmv_e1(sc, get_unaligned_le32(&cmvs_v1[i].address), 1700 get_unaligned_le16(&cmvs_v1[i].offset), 1701 get_unaligned_le32(&cmvs_v1[i].data)); 1702 if (ret < 0) 1703 goto out; 1704 } 1705 } else if (ver == 2) { 1706 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1707 1708 for (i = 0; i < len; i++) { 1709 ret = uea_write_cmv_e1(sc, get_unaligned_le32(&cmvs_v2[i].address), 1710 (u16) get_unaligned_le32(&cmvs_v2[i].offset), 1711 get_unaligned_le32(&cmvs_v2[i].data)); 1712 if (ret < 0) 1713 goto out; 1714 } 1715 } else { 1716 /* This realy should not happen */ 1717 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1718 goto out; 1719 } 1720 1721 /* Enter in R-ACT-REQ */ 1722 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2); 1723 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1724 uea_info(INS_TO_USBDEV(sc), "modem started, waiting synchronization...\n"); 1725 out: 1726 release_firmware(cmvs_fw); 1727 return ret; 1728 } 1729 1730 static int uea_send_cmvs_e4(struct uea_softc *sc) 1731 { 1732 int i, ret, len; 1733 void *cmvs_ptr; 1734 const struct firmware *cmvs_fw; 1735 int ver = 2; // we can only handle v2 cmv firmware version; 1736 1737 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1738 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1); 1739 if (ret < 0) 1740 return ret; 1741 1742 /* Dump firmware version */ 1743 /* XXX don't read the 3th byte as it is always 6 */ 1744 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid); 1745 if (ret < 0) 1746 return ret; 1747 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1748 sc->stats.phy.firmid); 1749 1750 1751 /* get options */ 1752 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1753 if (ret < 0) 1754 return ret; 1755 1756 /* send options */ 1757 if (ver == 2) { 1758 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1759 1760 for (i = 0; i < len; i++) { 1761 ret = uea_write_cmv_e4(sc, 1, 1762 get_unaligned_le32(&cmvs_v2[i].group), 1763 get_unaligned_le32(&cmvs_v2[i].address), 1764 get_unaligned_le32(&cmvs_v2[i].offset), 1765 get_unaligned_le32(&cmvs_v2[i].data)); 1766 if (ret < 0) 1767 goto out; 1768 } 1769 } else { 1770 /* This realy should not happen */ 1771 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1772 goto out; 1773 } 1774 1775 /* Enter in R-ACT-REQ */ 1776 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2); 1777 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1778 uea_info(INS_TO_USBDEV(sc), "modem started, waiting synchronization...\n"); 1779 out: 1780 release_firmware(cmvs_fw); 1781 return ret; 1782 } 1783 1784 /* Start boot post firmware modem: 1785 * - send reset commands through usb control pipe 1786 * - start workqueue for DSP loading 1787 * - send CMV options to modem 1788 */ 1789 1790 static int uea_start_reset(struct uea_softc *sc) 1791 { 1792 u16 zero = 0; /* ;-) */ 1793 int ret; 1794 1795 uea_enters(INS_TO_USBDEV(sc)); 1796 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n"); 1797 1798 /* mask interrupt */ 1799 sc->booting = 1; 1800 /* We need to set this here because, a ack timeout could have occured, 1801 * but before we start the reboot, the ack occurs and set this to 1. 1802 * So we will failed to wait Ready CMV. 1803 */ 1804 sc->cmv_ack = 0; 1805 UPDATE_ATM_STAT(signal, ATM_PHY_SIG_LOST); 1806 1807 /* reset statistics */ 1808 memset(&sc->stats, 0, sizeof(struct uea_stats)); 1809 1810 /* tell the modem that we want to boot in IDMA mode */ 1811 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 1812 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL); 1813 1814 /* enter reset mode */ 1815 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL); 1816 1817 /* original driver use 200ms, but windows driver use 100ms */ 1818 ret = uea_wait(sc, 0, msecs_to_jiffies(100)); 1819 if (ret < 0) 1820 return ret; 1821 1822 /* leave reset mode */ 1823 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL); 1824 1825 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) { 1826 /* clear tx and rx mailboxes */ 1827 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero); 1828 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero); 1829 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero); 1830 } 1831 1832 ret = uea_wait(sc, 0, msecs_to_jiffies(1000)); 1833 if (ret < 0) 1834 return ret; 1835 1836 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1837 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, E4_MODEMREADY, 1); 1838 else 1839 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, E1_MODEMREADY); 1840 1841 /* demask interrupt */ 1842 sc->booting = 0; 1843 1844 /* start loading DSP */ 1845 sc->pageno = 0; 1846 sc->ovl = 0; 1847 queue_work(sc->work_q, &sc->task); 1848 1849 /* wait for modem ready CMV */ 1850 ret = wait_cmv_ack(sc); 1851 if (ret < 0) 1852 return ret; 1853 1854 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n"); 1855 1856 ret = sc->send_cmvs(sc); 1857 if (ret < 0) 1858 return ret; 1859 1860 sc->reset = 0; 1861 uea_leaves(INS_TO_USBDEV(sc)); 1862 return ret; 1863 } 1864 1865 /* 1866 * In case of an error wait 1s before rebooting the modem 1867 * if the modem don't request reboot (-EAGAIN). 1868 * Monitor the modem every 1s. 1869 */ 1870 1871 static int uea_kthread(void *data) 1872 { 1873 struct uea_softc *sc = data; 1874 int ret = -EAGAIN; 1875 1876 set_freezable(); 1877 uea_enters(INS_TO_USBDEV(sc)); 1878 while (!kthread_should_stop()) { 1879 if (ret < 0 || sc->reset) 1880 ret = uea_start_reset(sc); 1881 if (!ret) 1882 ret = sc->stat(sc); 1883 if (ret != -EAGAIN) 1884 uea_wait(sc, 0, msecs_to_jiffies(1000)); 1885 try_to_freeze(); 1886 } 1887 uea_leaves(INS_TO_USBDEV(sc)); 1888 return ret; 1889 } 1890 1891 /* Load second usb firmware for ADI930 chip */ 1892 static int load_XILINX_firmware(struct uea_softc *sc) 1893 { 1894 const struct firmware *fw_entry; 1895 int ret, size, u, ln; 1896 const u8 *pfw; 1897 u8 value; 1898 char *fw_name = FW_DIR "930-fpga.bin"; 1899 1900 uea_enters(INS_TO_USBDEV(sc)); 1901 1902 ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev); 1903 if (ret) { 1904 uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n", 1905 fw_name); 1906 goto err0; 1907 } 1908 1909 pfw = fw_entry->data; 1910 size = fw_entry->size; 1911 if (size != 0x577B) { 1912 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 1913 fw_name); 1914 ret = -EILSEQ; 1915 goto err1; 1916 } 1917 for (u = 0; u < size; u += ln) { 1918 ln = min(size - u, 64); 1919 ret = uea_request(sc, 0xe, 0, ln, pfw + u); 1920 if (ret < 0) { 1921 uea_err(INS_TO_USBDEV(sc), 1922 "elsa download data failed (%d)\n", ret); 1923 goto err1; 1924 } 1925 } 1926 1927 /* finish to send the fpga */ 1928 ret = uea_request(sc, 0xe, 1, 0, NULL); 1929 if (ret < 0) { 1930 uea_err(INS_TO_USBDEV(sc), 1931 "elsa download data failed (%d)\n", ret); 1932 goto err1; 1933 } 1934 1935 /* Tell the modem we finish : de-assert reset */ 1936 value = 0; 1937 ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value); 1938 if (ret < 0) 1939 uea_err(sc->usb_dev, "elsa de-assert failed with error %d\n", ret); 1940 1941 err1: 1942 release_firmware(fw_entry); 1943 err0: 1944 uea_leaves(INS_TO_USBDEV(sc)); 1945 return ret; 1946 } 1947 1948 /* The modem send us an ack. First with check if it right */ 1949 static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr) 1950 { 1951 struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1; 1952 struct cmv_e1 *cmv = &intr->u.e1.s2.cmv; 1953 1954 uea_enters(INS_TO_USBDEV(sc)); 1955 if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE) 1956 goto bad1; 1957 1958 if (cmv->bDirection != E1_MODEMTOHOST) 1959 goto bad1; 1960 1961 /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to 1962 * the first MEMACCESS cmv. Ignore it... 1963 */ 1964 if (cmv->bFunction != dsc->function) { 1965 if (UEA_CHIP_VERSION(sc) == ADI930 1966 && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) { 1967 cmv->wIndex = cpu_to_le16(dsc->idx); 1968 put_unaligned_le32(dsc->address, &cmv->dwSymbolicAddress); 1969 cmv->wOffsetAddress = cpu_to_le16(dsc->offset); 1970 } else 1971 goto bad2; 1972 } 1973 1974 if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, E1_MODEMREADY)) { 1975 wake_up_cmv_ack(sc); 1976 uea_leaves(INS_TO_USBDEV(sc)); 1977 return; 1978 } 1979 1980 /* in case of MEMACCESS */ 1981 if (le16_to_cpu(cmv->wIndex) != dsc->idx || 1982 get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address || 1983 le16_to_cpu(cmv->wOffsetAddress) != dsc->offset) 1984 goto bad2; 1985 1986 sc->data = get_unaligned_le32(&cmv->dwData); 1987 sc->data = sc->data << 16 | sc->data >> 16; 1988 1989 wake_up_cmv_ack(sc); 1990 uea_leaves(INS_TO_USBDEV(sc)); 1991 return; 1992 1993 bad2: 1994 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 1995 "Function : %d, Subfunction : %d\n", 1996 E1_FUNCTION_TYPE(cmv->bFunction), 1997 E1_FUNCTION_SUBTYPE(cmv->bFunction)); 1998 uea_leaves(INS_TO_USBDEV(sc)); 1999 return; 2000 2001 bad1: 2002 uea_err(INS_TO_USBDEV(sc), "invalid cmv received, " 2003 "wPreamble %d, bDirection %d\n", 2004 le16_to_cpu(cmv->wPreamble), cmv->bDirection); 2005 uea_leaves(INS_TO_USBDEV(sc)); 2006 } 2007 2008 /* The modem send us an ack. First with check if it right */ 2009 static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr) 2010 { 2011 struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4; 2012 struct cmv_e4 *cmv = &intr->u.e4.s2.cmv; 2013 2014 uea_enters(INS_TO_USBDEV(sc)); 2015 uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n", 2016 be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction), 2017 be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress), 2018 be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1])); 2019 2020 if (be16_to_cpu(cmv->wFunction) != dsc->function) 2021 goto bad2; 2022 2023 if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, E4_MODEMREADY, 1)) { 2024 wake_up_cmv_ack(sc); 2025 uea_leaves(INS_TO_USBDEV(sc)); 2026 return; 2027 } 2028 2029 /* in case of MEMACCESS */ 2030 if (be16_to_cpu(cmv->wOffset) != dsc->offset || 2031 be16_to_cpu(cmv->wGroup) != dsc->group || 2032 be16_to_cpu(cmv->wAddress) != dsc->address) 2033 goto bad2; 2034 2035 sc->data = be32_to_cpu(cmv->dwData[0]); 2036 sc->data1 = be32_to_cpu(cmv->dwData[1]); 2037 wake_up_cmv_ack(sc); 2038 uea_leaves(INS_TO_USBDEV(sc)); 2039 return; 2040 2041 bad2: 2042 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2043 "Function : %d, Subfunction : %d\n", 2044 E4_FUNCTION_TYPE(cmv->wFunction), 2045 E4_FUNCTION_SUBTYPE(cmv->wFunction)); 2046 uea_leaves(INS_TO_USBDEV(sc)); 2047 return; 2048 } 2049 2050 static void uea_schedule_load_page_e1(struct uea_softc *sc, struct intr_pkt *intr) 2051 { 2052 sc->pageno = intr->e1_bSwapPageNo; 2053 sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4; 2054 queue_work(sc->work_q, &sc->task); 2055 } 2056 2057 static void uea_schedule_load_page_e4(struct uea_softc *sc, struct intr_pkt *intr) 2058 { 2059 sc->pageno = intr->e4_bSwapPageNo; 2060 queue_work(sc->work_q, &sc->task); 2061 } 2062 2063 /* 2064 * interrupt handler 2065 */ 2066 static void uea_intr(struct urb *urb) 2067 { 2068 struct uea_softc *sc = urb->context; 2069 struct intr_pkt *intr = urb->transfer_buffer; 2070 int status = urb->status; 2071 2072 uea_enters(INS_TO_USBDEV(sc)); 2073 2074 if (unlikely(status < 0)) { 2075 uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n", 2076 status); 2077 return; 2078 } 2079 2080 /* device-to-host interrupt */ 2081 if (intr->bType != 0x08 || sc->booting) { 2082 uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n"); 2083 goto resubmit; 2084 } 2085 2086 switch (le16_to_cpu(intr->wInterrupt)) { 2087 case INT_LOADSWAPPAGE: 2088 sc->schedule_load_page(sc, intr); 2089 break; 2090 2091 case INT_INCOMINGCMV: 2092 sc->dispatch_cmv(sc, intr); 2093 break; 2094 2095 default: 2096 uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n", 2097 le16_to_cpu(intr->wInterrupt)); 2098 } 2099 2100 resubmit: 2101 usb_submit_urb(sc->urb_int, GFP_ATOMIC); 2102 } 2103 2104 /* 2105 * Start the modem : init the data and start kernel thread 2106 */ 2107 static int uea_boot(struct uea_softc *sc) 2108 { 2109 int ret, size; 2110 struct intr_pkt *intr; 2111 2112 uea_enters(INS_TO_USBDEV(sc)); 2113 2114 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2115 size = E4_INTR_PKT_SIZE; 2116 sc->dispatch_cmv = uea_dispatch_cmv_e4; 2117 sc->schedule_load_page = uea_schedule_load_page_e4; 2118 sc->stat = uea_stat_e4; 2119 sc->send_cmvs = uea_send_cmvs_e4; 2120 INIT_WORK(&sc->task, uea_load_page_e4); 2121 } else { 2122 size = E1_INTR_PKT_SIZE; 2123 sc->dispatch_cmv = uea_dispatch_cmv_e1; 2124 sc->schedule_load_page = uea_schedule_load_page_e1; 2125 sc->stat = uea_stat_e1; 2126 sc->send_cmvs = uea_send_cmvs_e1; 2127 INIT_WORK(&sc->task, uea_load_page_e1); 2128 } 2129 2130 init_waitqueue_head(&sc->sync_q); 2131 2132 sc->work_q = create_workqueue("ueagle-dsp"); 2133 if (!sc->work_q) { 2134 uea_err(INS_TO_USBDEV(sc), "cannot allocate workqueue\n"); 2135 uea_leaves(INS_TO_USBDEV(sc)); 2136 return -ENOMEM; 2137 } 2138 2139 if (UEA_CHIP_VERSION(sc) == ADI930) 2140 load_XILINX_firmware(sc); 2141 2142 intr = kmalloc(size, GFP_KERNEL); 2143 if (!intr) { 2144 uea_err(INS_TO_USBDEV(sc), 2145 "cannot allocate interrupt package\n"); 2146 goto err0; 2147 } 2148 2149 sc->urb_int = usb_alloc_urb(0, GFP_KERNEL); 2150 if (!sc->urb_int) { 2151 uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n"); 2152 goto err1; 2153 } 2154 2155 usb_fill_int_urb(sc->urb_int, sc->usb_dev, 2156 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE), 2157 intr, size, uea_intr, sc, 2158 sc->usb_dev->actconfig->interface[0]->altsetting[0]. 2159 endpoint[0].desc.bInterval); 2160 2161 ret = usb_submit_urb(sc->urb_int, GFP_KERNEL); 2162 if (ret < 0) { 2163 uea_err(INS_TO_USBDEV(sc), 2164 "urb submition failed with error %d\n", ret); 2165 goto err1; 2166 } 2167 2168 sc->kthread = kthread_run(uea_kthread, sc, "ueagle-atm"); 2169 if (sc->kthread == ERR_PTR(-ENOMEM)) { 2170 uea_err(INS_TO_USBDEV(sc), "failed to create thread\n"); 2171 goto err2; 2172 } 2173 2174 uea_leaves(INS_TO_USBDEV(sc)); 2175 return 0; 2176 2177 err2: 2178 usb_kill_urb(sc->urb_int); 2179 err1: 2180 usb_free_urb(sc->urb_int); 2181 sc->urb_int = NULL; 2182 kfree(intr); 2183 err0: 2184 destroy_workqueue(sc->work_q); 2185 uea_leaves(INS_TO_USBDEV(sc)); 2186 return -ENOMEM; 2187 } 2188 2189 /* 2190 * Stop the modem : kill kernel thread and free data 2191 */ 2192 static void uea_stop(struct uea_softc *sc) 2193 { 2194 int ret; 2195 uea_enters(INS_TO_USBDEV(sc)); 2196 ret = kthread_stop(sc->kthread); 2197 uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret); 2198 2199 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 2200 2201 usb_kill_urb(sc->urb_int); 2202 kfree(sc->urb_int->transfer_buffer); 2203 usb_free_urb(sc->urb_int); 2204 2205 /* stop any pending boot process, when no one can schedule work */ 2206 destroy_workqueue(sc->work_q); 2207 2208 if (sc->dsp_firm) 2209 release_firmware(sc->dsp_firm); 2210 uea_leaves(INS_TO_USBDEV(sc)); 2211 } 2212 2213 /* syfs interface */ 2214 static struct uea_softc *dev_to_uea(struct device *dev) 2215 { 2216 struct usb_interface *intf; 2217 struct usbatm_data *usbatm; 2218 2219 intf = to_usb_interface(dev); 2220 if (!intf) 2221 return NULL; 2222 2223 usbatm = usb_get_intfdata(intf); 2224 if (!usbatm) 2225 return NULL; 2226 2227 return usbatm->driver_data; 2228 } 2229 2230 static ssize_t read_status(struct device *dev, struct device_attribute *attr, 2231 char *buf) 2232 { 2233 int ret = -ENODEV; 2234 struct uea_softc *sc; 2235 2236 mutex_lock(&uea_mutex); 2237 sc = dev_to_uea(dev); 2238 if (!sc) 2239 goto out; 2240 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state); 2241 out: 2242 mutex_unlock(&uea_mutex); 2243 return ret; 2244 } 2245 2246 static ssize_t reboot(struct device *dev, struct device_attribute *attr, 2247 const char *buf, size_t count) 2248 { 2249 int ret = -ENODEV; 2250 struct uea_softc *sc; 2251 2252 mutex_lock(&uea_mutex); 2253 sc = dev_to_uea(dev); 2254 if (!sc) 2255 goto out; 2256 sc->reset = 1; 2257 ret = count; 2258 out: 2259 mutex_unlock(&uea_mutex); 2260 return ret; 2261 } 2262 2263 static DEVICE_ATTR(stat_status, S_IWUGO | S_IRUGO, read_status, reboot); 2264 2265 static ssize_t read_human_status(struct device *dev, struct device_attribute *attr, 2266 char *buf) 2267 { 2268 int ret = -ENODEV; 2269 int modem_state; 2270 struct uea_softc *sc; 2271 2272 mutex_lock(&uea_mutex); 2273 sc = dev_to_uea(dev); 2274 if (!sc) 2275 goto out; 2276 2277 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2278 switch (sc->stats.phy.state) { 2279 case 0x0: /* not yet synchronized */ 2280 case 0x1: 2281 case 0x3: 2282 case 0x4: 2283 modem_state = 0; 2284 break; 2285 case 0x5: /* initialization */ 2286 case 0x6: 2287 case 0x9: 2288 case 0xa: 2289 modem_state = 1; 2290 break; 2291 case 0x7: /* operational */ 2292 modem_state = 2; 2293 break; 2294 case 0x2: /* fail ... */ 2295 modem_state = 3; 2296 break; 2297 default: /* unknown */ 2298 modem_state = 4; 2299 break; 2300 } 2301 } else 2302 modem_state = GET_STATUS(sc->stats.phy.state); 2303 2304 switch (modem_state) { 2305 case 0: 2306 ret = sprintf(buf, "Modem is booting\n"); 2307 break; 2308 case 1: 2309 ret = sprintf(buf, "Modem is initializing\n"); 2310 break; 2311 case 2: 2312 ret = sprintf(buf, "Modem is operational\n"); 2313 break; 2314 case 3: 2315 ret = sprintf(buf, "Modem synchronization failed\n"); 2316 break; 2317 default: 2318 ret = sprintf(buf, "Modem state is unknown\n"); 2319 break; 2320 } 2321 out: 2322 mutex_unlock(&uea_mutex); 2323 return ret; 2324 } 2325 2326 static DEVICE_ATTR(stat_human_status, S_IWUGO | S_IRUGO, read_human_status, NULL); 2327 2328 static ssize_t read_delin(struct device *dev, struct device_attribute *attr, 2329 char *buf) 2330 { 2331 int ret = -ENODEV; 2332 struct uea_softc *sc; 2333 char *delin = "GOOD"; 2334 2335 mutex_lock(&uea_mutex); 2336 sc = dev_to_uea(dev); 2337 if (!sc) 2338 goto out; 2339 2340 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2341 if (sc->stats.phy.flags & 0x4000) 2342 delin = "RESET"; 2343 else if (sc->stats.phy.flags & 0x0001) 2344 delin = "LOSS"; 2345 } else { 2346 if (sc->stats.phy.flags & 0x0C00) 2347 delin = "ERROR"; 2348 else if (sc->stats.phy.flags & 0x0030) 2349 delin = "LOSS"; 2350 } 2351 2352 ret = sprintf(buf, "%s\n", delin); 2353 out: 2354 mutex_unlock(&uea_mutex); 2355 return ret; 2356 } 2357 2358 static DEVICE_ATTR(stat_delin, S_IWUGO | S_IRUGO, read_delin, NULL); 2359 2360 #define UEA_ATTR(name, reset) \ 2361 \ 2362 static ssize_t read_##name(struct device *dev, \ 2363 struct device_attribute *attr, char *buf) \ 2364 { \ 2365 int ret = -ENODEV; \ 2366 struct uea_softc *sc; \ 2367 \ 2368 mutex_lock(&uea_mutex); \ 2369 sc = dev_to_uea(dev); \ 2370 if (!sc) \ 2371 goto out; \ 2372 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \ 2373 if (reset) \ 2374 sc->stats.phy.name = 0; \ 2375 out: \ 2376 mutex_unlock(&uea_mutex); \ 2377 return ret; \ 2378 } \ 2379 \ 2380 static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL) 2381 2382 UEA_ATTR(mflags, 1); 2383 UEA_ATTR(vidcpe, 0); 2384 UEA_ATTR(usrate, 0); 2385 UEA_ATTR(dsrate, 0); 2386 UEA_ATTR(usattenuation, 0); 2387 UEA_ATTR(dsattenuation, 0); 2388 UEA_ATTR(usmargin, 0); 2389 UEA_ATTR(dsmargin, 0); 2390 UEA_ATTR(txflow, 0); 2391 UEA_ATTR(rxflow, 0); 2392 UEA_ATTR(uscorr, 0); 2393 UEA_ATTR(dscorr, 0); 2394 UEA_ATTR(usunc, 0); 2395 UEA_ATTR(dsunc, 0); 2396 UEA_ATTR(firmid, 0); 2397 2398 /* Retrieve the device End System Identifier (MAC) */ 2399 2400 #define htoi(x) (isdigit(x) ? x-'0' : toupper(x)-'A'+10) 2401 static int uea_getesi(struct uea_softc *sc, u_char * esi) 2402 { 2403 unsigned char mac_str[2 * ETH_ALEN + 1]; 2404 int i; 2405 if (usb_string 2406 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str, 2407 sizeof(mac_str)) != 2 * ETH_ALEN) 2408 return 1; 2409 2410 for (i = 0; i < ETH_ALEN; i++) 2411 esi[i] = htoi(mac_str[2 * i]) * 16 + htoi(mac_str[2 * i + 1]); 2412 2413 return 0; 2414 } 2415 2416 /* ATM stuff */ 2417 static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev) 2418 { 2419 struct uea_softc *sc = usbatm->driver_data; 2420 2421 return uea_getesi(sc, atm_dev->esi); 2422 } 2423 2424 static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf) 2425 { 2426 struct uea_softc *sc = usbatm->driver_data; 2427 2428 wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc)); 2429 2430 return 0; 2431 2432 } 2433 2434 static int claim_interface(struct usb_device *usb_dev, 2435 struct usbatm_data *usbatm, int ifnum) 2436 { 2437 int ret; 2438 struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum); 2439 2440 if (!intf) { 2441 uea_err(usb_dev, "interface %d not found\n", ifnum); 2442 return -ENODEV; 2443 } 2444 2445 ret = usb_driver_claim_interface(&uea_driver, intf, usbatm); 2446 if (ret != 0) 2447 uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum, 2448 ret); 2449 return ret; 2450 } 2451 2452 static struct attribute *attrs[] = { 2453 &dev_attr_stat_status.attr, 2454 &dev_attr_stat_mflags.attr, 2455 &dev_attr_stat_human_status.attr, 2456 &dev_attr_stat_delin.attr, 2457 &dev_attr_stat_vidcpe.attr, 2458 &dev_attr_stat_usrate.attr, 2459 &dev_attr_stat_dsrate.attr, 2460 &dev_attr_stat_usattenuation.attr, 2461 &dev_attr_stat_dsattenuation.attr, 2462 &dev_attr_stat_usmargin.attr, 2463 &dev_attr_stat_dsmargin.attr, 2464 &dev_attr_stat_txflow.attr, 2465 &dev_attr_stat_rxflow.attr, 2466 &dev_attr_stat_uscorr.attr, 2467 &dev_attr_stat_dscorr.attr, 2468 &dev_attr_stat_usunc.attr, 2469 &dev_attr_stat_dsunc.attr, 2470 &dev_attr_stat_firmid.attr, 2471 NULL, 2472 }; 2473 static struct attribute_group attr_grp = { 2474 .attrs = attrs, 2475 }; 2476 2477 static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, 2478 const struct usb_device_id *id) 2479 { 2480 struct usb_device *usb = interface_to_usbdev(intf); 2481 struct uea_softc *sc; 2482 int ret, ifnum = intf->altsetting->desc.bInterfaceNumber; 2483 unsigned int alt; 2484 2485 uea_enters(usb); 2486 2487 /* interface 0 is for firmware/monitoring */ 2488 if (ifnum != UEA_INTR_IFACE_NO) 2489 return -ENODEV; 2490 2491 usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT); 2492 2493 /* interface 1 is for outbound traffic */ 2494 ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO); 2495 if (ret < 0) 2496 return ret; 2497 2498 /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */ 2499 if (UEA_CHIP_VERSION(id) != ADI930) { 2500 /* interface 2 is for inbound traffic */ 2501 ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO); 2502 if (ret < 0) 2503 return ret; 2504 } 2505 2506 sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL); 2507 if (!sc) { 2508 uea_err(usb, "uea_init: not enough memory !\n"); 2509 return -ENOMEM; 2510 } 2511 2512 sc->usb_dev = usb; 2513 usbatm->driver_data = sc; 2514 sc->usbatm = usbatm; 2515 sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0; 2516 sc->driver_info = id->driver_info; 2517 2518 /* first try to use module parameter */ 2519 if (annex[sc->modem_index] == 1) 2520 sc->annex = ANNEXA; 2521 else if (annex[sc->modem_index] == 2) 2522 sc->annex = ANNEXB; 2523 /* try to autodetect annex */ 2524 else if (sc->driver_info & AUTO_ANNEX_A) 2525 sc->annex = ANNEXA; 2526 else if (sc->driver_info & AUTO_ANNEX_B) 2527 sc->annex = ANNEXB; 2528 else 2529 sc->annex = (le16_to_cpu(sc->usb_dev->descriptor.bcdDevice) & 0x80)?ANNEXB:ANNEXA; 2530 2531 alt = altsetting[sc->modem_index]; 2532 /* ADI930 don't support iso */ 2533 if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) { 2534 if (alt <= 8 && usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) { 2535 uea_dbg(usb, "set alternate %u for 2 interface\n", alt); 2536 uea_info(usb, "using iso mode\n"); 2537 usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ; 2538 } else { 2539 uea_err(usb, "setting alternate %u failed for " 2540 "2 interface, using bulk mode\n", alt); 2541 } 2542 } 2543 2544 ret = sysfs_create_group(&intf->dev.kobj, &attr_grp); 2545 if (ret < 0) 2546 goto error; 2547 2548 ret = uea_boot(sc); 2549 if (ret < 0) 2550 goto error_rm_grp; 2551 2552 return 0; 2553 2554 error_rm_grp: 2555 sysfs_remove_group(&intf->dev.kobj, &attr_grp); 2556 error: 2557 kfree(sc); 2558 return ret; 2559 } 2560 2561 static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) 2562 { 2563 struct uea_softc *sc = usbatm->driver_data; 2564 2565 sysfs_remove_group(&intf->dev.kobj, &attr_grp); 2566 uea_stop(sc); 2567 kfree(sc); 2568 } 2569 2570 static struct usbatm_driver uea_usbatm_driver = { 2571 .driver_name = "ueagle-atm", 2572 .bind = uea_bind, 2573 .atm_start = uea_atm_open, 2574 .unbind = uea_unbind, 2575 .heavy_init = uea_heavy, 2576 .bulk_in = UEA_BULK_DATA_PIPE, 2577 .bulk_out = UEA_BULK_DATA_PIPE, 2578 .isoc_in = UEA_ISO_DATA_PIPE, 2579 }; 2580 2581 static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id) 2582 { 2583 struct usb_device *usb = interface_to_usbdev(intf); 2584 2585 uea_enters(usb); 2586 uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n", 2587 le16_to_cpu(usb->descriptor.idVendor), 2588 le16_to_cpu(usb->descriptor.idProduct), 2589 le16_to_cpu(usb->descriptor.bcdDevice), 2590 chip_name[UEA_CHIP_VERSION(id)]); 2591 2592 usb_reset_device(usb); 2593 2594 if (UEA_IS_PREFIRM(id)) 2595 return uea_load_firmware(usb, UEA_CHIP_VERSION(id)); 2596 2597 return usbatm_usb_probe(intf, id, &uea_usbatm_driver); 2598 } 2599 2600 static void uea_disconnect(struct usb_interface *intf) 2601 { 2602 struct usb_device *usb = interface_to_usbdev(intf); 2603 int ifnum = intf->altsetting->desc.bInterfaceNumber; 2604 uea_enters(usb); 2605 2606 /* ADI930 has 2 interfaces and eagle 3 interfaces. 2607 * Pre-firmware device has one interface 2608 */ 2609 if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) { 2610 mutex_lock(&uea_mutex); 2611 usbatm_usb_disconnect(intf); 2612 mutex_unlock(&uea_mutex); 2613 uea_info(usb, "ADSL device removed\n"); 2614 } 2615 2616 uea_leaves(usb); 2617 } 2618 2619 /* 2620 * List of supported VID/PID 2621 */ 2622 static const struct usb_device_id uea_ids[] = { 2623 {USB_DEVICE(ANALOG_VID, ADI930_PID_PREFIRM), .driver_info = ADI930 | PREFIRM}, 2624 {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM), .driver_info = ADI930 | PSTFIRM}, 2625 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, 2626 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, 2627 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM}, 2628 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM}, 2629 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM}, 2630 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM}, 2631 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM), .driver_info = EAGLE_III | PREFIRM}, 2632 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM), .driver_info = EAGLE_III | PSTFIRM}, 2633 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM), .driver_info = EAGLE_IV | PREFIRM}, 2634 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM), .driver_info = EAGLE_IV | PSTFIRM}, 2635 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, 2636 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2637 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, 2638 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2639 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM}, 2640 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A}, 2641 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM}, 2642 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B}, 2643 {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), .driver_info = ADI930 | PREFIRM}, 2644 {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), .driver_info = ADI930 | PSTFIRM}, 2645 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM), .driver_info = ADI930 | PREFIRM}, 2646 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM), .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A}, 2647 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM), .driver_info = ADI930 | PREFIRM}, 2648 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM), .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B}, 2649 {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, 2650 {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2651 {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, 2652 {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2653 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM}, 2654 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2655 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM}, 2656 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2657 {} 2658 }; 2659 2660 /* 2661 * USB driver descriptor 2662 */ 2663 static struct usb_driver uea_driver = { 2664 .name = "ueagle-atm", 2665 .id_table = uea_ids, 2666 .probe = uea_probe, 2667 .disconnect = uea_disconnect, 2668 }; 2669 2670 MODULE_DEVICE_TABLE(usb, uea_ids); 2671 2672 /** 2673 * uea_init - Initialize the module. 2674 * Register to USB subsystem 2675 */ 2676 static int __init uea_init(void) 2677 { 2678 printk(KERN_INFO "[ueagle-atm] driver " EAGLEUSBVERSION " loaded\n"); 2679 2680 usb_register(&uea_driver); 2681 2682 return 0; 2683 } 2684 2685 module_init(uea_init); 2686 2687 /** 2688 * uea_exit - Destroy module 2689 * Deregister with USB subsystem 2690 */ 2691 static void __exit uea_exit(void) 2692 { 2693 /* 2694 * This calls automatically the uea_disconnect method if necessary: 2695 */ 2696 usb_deregister(&uea_driver); 2697 2698 printk(KERN_INFO "[ueagle-atm] driver unloaded\n"); 2699 } 2700 2701 module_exit(uea_exit); 2702 2703 MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); 2704 MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); 2705 MODULE_LICENSE("Dual BSD/GPL"); 2706