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 #include <linux/slab.h> 70 #include <linux/kernel.h> 71 72 #include <asm/unaligned.h> 73 74 #include "usbatm.h" 75 76 #define EAGLEUSBVERSION "ueagle 1.4" 77 78 79 /* 80 * Debug macros 81 */ 82 #define uea_dbg(usb_dev, format, args...) \ 83 do { \ 84 if (debug >= 1) \ 85 dev_dbg(&(usb_dev)->dev, \ 86 "[ueagle-atm dbg] %s: " format, \ 87 __func__, ##args); \ 88 } while (0) 89 90 #define uea_vdbg(usb_dev, format, args...) \ 91 do { \ 92 if (debug >= 2) \ 93 dev_dbg(&(usb_dev)->dev, \ 94 "[ueagle-atm vdbg] " format, ##args); \ 95 } while (0) 96 97 #define uea_enters(usb_dev) \ 98 uea_vdbg(usb_dev, "entering %s\n" , __func__) 99 100 #define uea_leaves(usb_dev) \ 101 uea_vdbg(usb_dev, "leaving %s\n" , __func__) 102 103 #define uea_err(usb_dev, format, args...) \ 104 dev_err(&(usb_dev)->dev , "[UEAGLE-ATM] " format , ##args) 105 106 #define uea_warn(usb_dev, format, args...) \ 107 dev_warn(&(usb_dev)->dev , "[Ueagle-atm] " format, ##args) 108 109 #define uea_info(usb_dev, format, args...) \ 110 dev_info(&(usb_dev)->dev , "[ueagle-atm] " format, ##args) 111 112 struct intr_pkt; 113 114 /* cmv's from firmware */ 115 struct uea_cmvs_v1 { 116 u32 address; 117 u16 offset; 118 u32 data; 119 } __packed; 120 121 struct uea_cmvs_v2 { 122 u32 group; 123 u32 address; 124 u32 offset; 125 u32 data; 126 } __packed; 127 128 /* information about currently processed cmv */ 129 struct cmv_dsc_e1 { 130 u8 function; 131 u16 idx; 132 u32 address; 133 u16 offset; 134 }; 135 136 struct cmv_dsc_e4 { 137 u16 function; 138 u16 offset; 139 u16 address; 140 u16 group; 141 }; 142 143 union cmv_dsc { 144 struct cmv_dsc_e1 e1; 145 struct cmv_dsc_e4 e4; 146 }; 147 148 struct uea_softc { 149 struct usb_device *usb_dev; 150 struct usbatm_data *usbatm; 151 152 int modem_index; 153 unsigned int driver_info; 154 int annex; 155 #define ANNEXA 0 156 #define ANNEXB 1 157 158 int booting; 159 int reset; 160 161 wait_queue_head_t sync_q; 162 163 struct task_struct *kthread; 164 u32 data; 165 u32 data1; 166 167 int cmv_ack; 168 union cmv_dsc cmv_dsc; 169 170 struct work_struct task; 171 u16 pageno; 172 u16 ovl; 173 174 const struct firmware *dsp_firm; 175 struct urb *urb_int; 176 177 void (*dispatch_cmv) (struct uea_softc *, struct intr_pkt *); 178 void (*schedule_load_page) (struct uea_softc *, struct intr_pkt *); 179 int (*stat) (struct uea_softc *); 180 int (*send_cmvs) (struct uea_softc *); 181 182 /* keep in sync with eaglectl */ 183 struct uea_stats { 184 struct { 185 u32 state; 186 u32 flags; 187 u32 mflags; 188 u32 vidcpe; 189 u32 vidco; 190 u32 dsrate; 191 u32 usrate; 192 u32 dsunc; 193 u32 usunc; 194 u32 dscorr; 195 u32 uscorr; 196 u32 txflow; 197 u32 rxflow; 198 u32 usattenuation; 199 u32 dsattenuation; 200 u32 dsmargin; 201 u32 usmargin; 202 u32 firmid; 203 } phy; 204 } stats; 205 }; 206 207 /* 208 * Elsa IDs 209 */ 210 #define ELSA_VID 0x05CC 211 #define ELSA_PID_PSTFIRM 0x3350 212 #define ELSA_PID_PREFIRM 0x3351 213 214 #define ELSA_PID_A_PREFIRM 0x3352 215 #define ELSA_PID_A_PSTFIRM 0x3353 216 #define ELSA_PID_B_PREFIRM 0x3362 217 #define ELSA_PID_B_PSTFIRM 0x3363 218 219 /* 220 * Devolo IDs : pots if (pid & 0x10) 221 */ 222 #define DEVOLO_VID 0x1039 223 #define DEVOLO_EAGLE_I_A_PID_PSTFIRM 0x2110 224 #define DEVOLO_EAGLE_I_A_PID_PREFIRM 0x2111 225 226 #define DEVOLO_EAGLE_I_B_PID_PSTFIRM 0x2100 227 #define DEVOLO_EAGLE_I_B_PID_PREFIRM 0x2101 228 229 #define DEVOLO_EAGLE_II_A_PID_PSTFIRM 0x2130 230 #define DEVOLO_EAGLE_II_A_PID_PREFIRM 0x2131 231 232 #define DEVOLO_EAGLE_II_B_PID_PSTFIRM 0x2120 233 #define DEVOLO_EAGLE_II_B_PID_PREFIRM 0x2121 234 235 /* 236 * Reference design USB IDs 237 */ 238 #define ANALOG_VID 0x1110 239 #define ADI930_PID_PREFIRM 0x9001 240 #define ADI930_PID_PSTFIRM 0x9000 241 242 #define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */ 243 #define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */ 244 245 #define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */ 246 #define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */ 247 248 #define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */ 249 #define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */ 250 251 #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */ 252 #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */ 253 254 #define EAGLE_IV_PID_PREFIRM 0x9042 /* Eagle IV */ 255 #define EAGLE_IV_PID_PSTFIRM 0x9041 /* Eagle IV */ 256 257 /* 258 * USR USB IDs 259 */ 260 #define USR_VID 0x0BAF 261 #define MILLER_A_PID_PREFIRM 0x00F2 262 #define MILLER_A_PID_PSTFIRM 0x00F1 263 #define MILLER_B_PID_PREFIRM 0x00FA 264 #define MILLER_B_PID_PSTFIRM 0x00F9 265 #define HEINEKEN_A_PID_PREFIRM 0x00F6 266 #define HEINEKEN_A_PID_PSTFIRM 0x00F5 267 #define HEINEKEN_B_PID_PREFIRM 0x00F8 268 #define HEINEKEN_B_PID_PSTFIRM 0x00F7 269 270 #define PREFIRM 0 271 #define PSTFIRM (1<<7) 272 #define AUTO_ANNEX_A (1<<8) 273 #define AUTO_ANNEX_B (1<<9) 274 275 enum { 276 ADI930 = 0, 277 EAGLE_I, 278 EAGLE_II, 279 EAGLE_III, 280 EAGLE_IV 281 }; 282 283 /* macros for both struct usb_device_id and struct uea_softc */ 284 #define UEA_IS_PREFIRM(x) \ 285 (!((x)->driver_info & PSTFIRM)) 286 #define UEA_CHIP_VERSION(x) \ 287 ((x)->driver_info & 0xf) 288 289 #define IS_ISDN(x) \ 290 ((x)->annex & ANNEXB) 291 292 #define INS_TO_USBDEV(ins) (ins->usb_dev) 293 294 #define GET_STATUS(data) \ 295 ((data >> 8) & 0xf) 296 297 #define IS_OPERATIONAL(sc) \ 298 ((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \ 299 (GET_STATUS(sc->stats.phy.state) == 2) : \ 300 (sc->stats.phy.state == 7)) 301 302 /* 303 * Set of macros to handle unaligned data in the firmware blob. 304 * The FW_GET_BYTE() macro is provided only for consistency. 305 */ 306 307 #define FW_GET_BYTE(p) (*((__u8 *) (p))) 308 309 #define FW_DIR "ueagle-atm/" 310 #define UEA_FW_NAME_MAX 30 311 #define NB_MODEM 4 312 313 #define BULK_TIMEOUT 300 314 #define CTRL_TIMEOUT 1000 315 316 #define ACK_TIMEOUT msecs_to_jiffies(3000) 317 318 #define UEA_INTR_IFACE_NO 0 319 #define UEA_US_IFACE_NO 1 320 #define UEA_DS_IFACE_NO 2 321 322 #define FASTEST_ISO_INTF 8 323 324 #define UEA_BULK_DATA_PIPE 0x02 325 #define UEA_IDMA_PIPE 0x04 326 #define UEA_INTR_PIPE 0x04 327 #define UEA_ISO_DATA_PIPE 0x08 328 329 #define UEA_E1_SET_BLOCK 0x0001 330 #define UEA_E4_SET_BLOCK 0x002c 331 #define UEA_SET_MODE 0x0003 332 #define UEA_SET_2183_DATA 0x0004 333 #define UEA_SET_TIMEOUT 0x0011 334 335 #define UEA_LOOPBACK_OFF 0x0002 336 #define UEA_LOOPBACK_ON 0x0003 337 #define UEA_BOOT_IDMA 0x0006 338 #define UEA_START_RESET 0x0007 339 #define UEA_END_RESET 0x0008 340 341 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000) 342 #define UEA_MPTX_START (0x3fce | 0x4000) 343 #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000) 344 #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000) 345 346 /* block information in eagle4 dsp firmware */ 347 struct block_index { 348 __le32 PageOffset; 349 __le32 NotLastBlock; 350 __le32 dummy; 351 __le32 PageSize; 352 __le32 PageAddress; 353 __le16 dummy1; 354 __le16 PageNumber; 355 } __packed; 356 357 #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000) 358 #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4) 359 360 #define E4_L1_STRING_HEADER 0x10 361 #define E4_MAX_PAGE_NUMBER 0x58 362 #define E4_NO_SWAPPAGE_HEADERS 0x31 363 364 /* l1_code is eagle4 dsp firmware format */ 365 struct l1_code { 366 u8 string_header[E4_L1_STRING_HEADER]; 367 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER]; 368 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS]; 369 u8 code[0]; 370 } __packed; 371 372 /* structures describing a block within a DSP page */ 373 struct block_info_e1 { 374 __le16 wHdr; 375 __le16 wAddress; 376 __le16 wSize; 377 __le16 wOvlOffset; 378 __le16 wOvl; /* overlay */ 379 __le16 wLast; 380 } __packed; 381 #define E1_BLOCK_INFO_SIZE 12 382 383 struct block_info_e4 { 384 __be16 wHdr; 385 __u8 bBootPage; 386 __u8 bPageNumber; 387 __be32 dwSize; 388 __be32 dwAddress; 389 __be16 wReserved; 390 } __packed; 391 #define E4_BLOCK_INFO_SIZE 14 392 393 #define UEA_BIHDR 0xabcd 394 #define UEA_RESERVED 0xffff 395 396 /* constants describing cmv type */ 397 #define E1_PREAMBLE 0x535c 398 #define E1_MODEMTOHOST 0x01 399 #define E1_HOSTTOMODEM 0x10 400 401 #define E1_MEMACCESS 0x1 402 #define E1_ADSLDIRECTIVE 0x7 403 #define E1_FUNCTION_TYPE(f) ((f) >> 4) 404 #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f) 405 406 #define E4_MEMACCESS 0 407 #define E4_ADSLDIRECTIVE 0xf 408 #define E4_FUNCTION_TYPE(f) ((f) >> 8) 409 #define E4_FUNCTION_SIZE(f) ((f) & 0x0f) 410 #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f) 411 412 /* for MEMACCESS */ 413 #define E1_REQUESTREAD 0x0 414 #define E1_REQUESTWRITE 0x1 415 #define E1_REPLYREAD 0x2 416 #define E1_REPLYWRITE 0x3 417 418 #define E4_REQUESTREAD 0x0 419 #define E4_REQUESTWRITE 0x4 420 #define E4_REPLYREAD (E4_REQUESTREAD | 1) 421 #define E4_REPLYWRITE (E4_REQUESTWRITE | 1) 422 423 /* for ADSLDIRECTIVE */ 424 #define E1_KERNELREADY 0x0 425 #define E1_MODEMREADY 0x1 426 427 #define E4_KERNELREADY 0x0 428 #define E4_MODEMREADY 0x1 429 430 #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf)) 431 #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | \ 432 ((st) & 0xf) << 4 | ((s) & 0xf)) 433 434 #define E1_MAKESA(a, b, c, d) \ 435 (((c) & 0xff) << 24 | \ 436 ((d) & 0xff) << 16 | \ 437 ((a) & 0xff) << 8 | \ 438 ((b) & 0xff)) 439 440 #define E1_GETSA1(a) ((a >> 8) & 0xff) 441 #define E1_GETSA2(a) (a & 0xff) 442 #define E1_GETSA3(a) ((a >> 24) & 0xff) 443 #define E1_GETSA4(a) ((a >> 16) & 0xff) 444 445 #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L') 446 #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G') 447 #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O') 448 #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N') 449 #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E') 450 #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T') 451 452 #define E4_SA_CNTL 1 453 #define E4_SA_STAT 2 454 #define E4_SA_INFO 3 455 #define E4_SA_TEST 4 456 #define E4_SA_OPTN 5 457 #define E4_SA_RATE 6 458 #define E4_SA_DIAG 7 459 #define E4_SA_CNFG 8 460 461 /* structures representing a CMV (Configuration and Management Variable) */ 462 struct cmv_e1 { 463 __le16 wPreamble; 464 __u8 bDirection; 465 __u8 bFunction; 466 __le16 wIndex; 467 __le32 dwSymbolicAddress; 468 __le16 wOffsetAddress; 469 __le32 dwData; 470 } __packed; 471 472 struct cmv_e4 { 473 __be16 wGroup; 474 __be16 wFunction; 475 __be16 wOffset; 476 __be16 wAddress; 477 __be32 dwData[6]; 478 } __packed; 479 480 /* structures representing swap information */ 481 struct swap_info_e1 { 482 __u8 bSwapPageNo; 483 __u8 bOvl; /* overlay */ 484 } __packed; 485 486 struct swap_info_e4 { 487 __u8 bSwapPageNo; 488 } __packed; 489 490 /* structures representing interrupt data */ 491 #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo 492 #define e1_bOvl u.e1.s1.swapinfo.bOvl 493 #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo 494 495 #define INT_LOADSWAPPAGE 0x0001 496 #define INT_INCOMINGCMV 0x0002 497 498 union intr_data_e1 { 499 struct { 500 struct swap_info_e1 swapinfo; 501 __le16 wDataSize; 502 } __packed s1; 503 struct { 504 struct cmv_e1 cmv; 505 __le16 wDataSize; 506 } __packed s2; 507 } __packed; 508 509 union intr_data_e4 { 510 struct { 511 struct swap_info_e4 swapinfo; 512 __le16 wDataSize; 513 } __packed s1; 514 struct { 515 struct cmv_e4 cmv; 516 __le16 wDataSize; 517 } __packed s2; 518 } __packed; 519 520 struct intr_pkt { 521 __u8 bType; 522 __u8 bNotification; 523 __le16 wValue; 524 __le16 wIndex; 525 __le16 wLength; 526 __le16 wInterrupt; 527 union { 528 union intr_data_e1 e1; 529 union intr_data_e4 e4; 530 } u; 531 } __packed; 532 533 #define E1_INTR_PKT_SIZE 28 534 #define E4_INTR_PKT_SIZE 64 535 536 static struct usb_driver uea_driver; 537 static DEFINE_MUTEX(uea_mutex); 538 static const char * const chip_name[] = { 539 "ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"}; 540 541 static int modem_index; 542 static unsigned int debug; 543 static unsigned int altsetting[NB_MODEM] = { 544 [0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF}; 545 static bool sync_wait[NB_MODEM]; 546 static char *cmv_file[NB_MODEM]; 547 static int annex[NB_MODEM]; 548 549 module_param(debug, uint, 0644); 550 MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)"); 551 module_param_array(altsetting, uint, NULL, 0644); 552 MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, " 553 "1=isoc slowest, ... , 8=isoc fastest (default)"); 554 module_param_array(sync_wait, bool, NULL, 0644); 555 MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM"); 556 module_param_array(cmv_file, charp, NULL, 0644); 557 MODULE_PARM_DESC(cmv_file, 558 "file name with configuration and management variables"); 559 module_param_array(annex, uint, NULL, 0644); 560 MODULE_PARM_DESC(annex, 561 "manually set annex a/b (0=auto, 1=annex a, 2=annex b)"); 562 563 #define uea_wait(sc, cond, timeo) \ 564 ({ \ 565 int _r = wait_event_interruptible_timeout(sc->sync_q, \ 566 (cond) || kthread_should_stop(), timeo); \ 567 if (kthread_should_stop()) \ 568 _r = -ENODEV; \ 569 _r; \ 570 }) 571 572 #define UPDATE_ATM_STAT(type, val) \ 573 do { \ 574 if (sc->usbatm->atm_dev) \ 575 sc->usbatm->atm_dev->type = val; \ 576 } while (0) 577 578 #define UPDATE_ATM_SIGNAL(val) \ 579 do { \ 580 if (sc->usbatm->atm_dev) \ 581 atm_dev_signal_change(sc->usbatm->atm_dev, val); \ 582 } while (0) 583 584 585 /* Firmware loading */ 586 #define LOAD_INTERNAL 0xA0 587 #define F8051_USBCS 0x7f92 588 589 /** 590 * uea_send_modem_cmd - Send a command for pre-firmware devices. 591 */ 592 static int uea_send_modem_cmd(struct usb_device *usb, 593 u16 addr, u16 size, const u8 *buff) 594 { 595 int ret = -ENOMEM; 596 u8 *xfer_buff; 597 598 xfer_buff = kmemdup(buff, size, GFP_KERNEL); 599 if (xfer_buff) { 600 ret = usb_control_msg(usb, 601 usb_sndctrlpipe(usb, 0), 602 LOAD_INTERNAL, 603 USB_DIR_OUT | USB_TYPE_VENDOR | 604 USB_RECIP_DEVICE, addr, 0, xfer_buff, 605 size, CTRL_TIMEOUT); 606 kfree(xfer_buff); 607 } 608 609 if (ret < 0) 610 return ret; 611 612 return (ret == size) ? 0 : -EIO; 613 } 614 615 static void uea_upload_pre_firmware(const struct firmware *fw_entry, 616 void *context) 617 { 618 struct usb_device *usb = context; 619 const u8 *pfw; 620 u8 value; 621 u32 crc = 0; 622 int ret, size; 623 624 uea_enters(usb); 625 if (!fw_entry) { 626 uea_err(usb, "firmware is not available\n"); 627 goto err; 628 } 629 630 pfw = fw_entry->data; 631 size = fw_entry->size; 632 if (size < 4) 633 goto err_fw_corrupted; 634 635 crc = get_unaligned_le32(pfw); 636 pfw += 4; 637 size -= 4; 638 if (crc32_be(0, pfw, size) != crc) 639 goto err_fw_corrupted; 640 641 /* 642 * Start to upload firmware : send reset 643 */ 644 value = 1; 645 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value); 646 647 if (ret < 0) { 648 uea_err(usb, "modem reset failed with error %d\n", ret); 649 goto err; 650 } 651 652 while (size > 3) { 653 u8 len = FW_GET_BYTE(pfw); 654 u16 add = get_unaligned_le16(pfw + 1); 655 656 size -= len + 3; 657 if (size < 0) 658 goto err_fw_corrupted; 659 660 ret = uea_send_modem_cmd(usb, add, len, pfw + 3); 661 if (ret < 0) { 662 uea_err(usb, "uploading firmware data failed " 663 "with error %d\n", ret); 664 goto err; 665 } 666 pfw += len + 3; 667 } 668 669 if (size != 0) 670 goto err_fw_corrupted; 671 672 /* 673 * Tell the modem we finish : de-assert reset 674 */ 675 value = 0; 676 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value); 677 if (ret < 0) 678 uea_err(usb, "modem de-assert failed with error %d\n", ret); 679 else 680 uea_info(usb, "firmware uploaded\n"); 681 682 goto err; 683 684 err_fw_corrupted: 685 uea_err(usb, "firmware is corrupted\n"); 686 err: 687 release_firmware(fw_entry); 688 uea_leaves(usb); 689 } 690 691 /** 692 * uea_load_firmware - Load usb firmware for pre-firmware devices. 693 */ 694 static int uea_load_firmware(struct usb_device *usb, unsigned int ver) 695 { 696 int ret; 697 char *fw_name = FW_DIR "eagle.fw"; 698 699 uea_enters(usb); 700 uea_info(usb, "pre-firmware device, uploading firmware\n"); 701 702 switch (ver) { 703 case ADI930: 704 fw_name = FW_DIR "adi930.fw"; 705 break; 706 case EAGLE_I: 707 fw_name = FW_DIR "eagleI.fw"; 708 break; 709 case EAGLE_II: 710 fw_name = FW_DIR "eagleII.fw"; 711 break; 712 case EAGLE_III: 713 fw_name = FW_DIR "eagleIII.fw"; 714 break; 715 case EAGLE_IV: 716 fw_name = FW_DIR "eagleIV.fw"; 717 break; 718 } 719 720 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, 721 GFP_KERNEL, usb, 722 uea_upload_pre_firmware); 723 if (ret) 724 uea_err(usb, "firmware %s is not available\n", fw_name); 725 else 726 uea_info(usb, "loading firmware %s\n", fw_name); 727 728 uea_leaves(usb); 729 return ret; 730 } 731 732 /* modem management : dsp firmware, send/read CMV, monitoring statistic 733 */ 734 735 /* 736 * Make sure that the DSP code provided is safe to use. 737 */ 738 static int check_dsp_e1(const u8 *dsp, unsigned int len) 739 { 740 u8 pagecount, blockcount; 741 u16 blocksize; 742 u32 pageoffset; 743 unsigned int i, j, p, pp; 744 745 pagecount = FW_GET_BYTE(dsp); 746 p = 1; 747 748 /* enough space for page offsets? */ 749 if (p + 4 * pagecount > len) 750 return 1; 751 752 for (i = 0; i < pagecount; i++) { 753 754 pageoffset = get_unaligned_le32(dsp + p); 755 p += 4; 756 757 if (pageoffset == 0) 758 continue; 759 760 /* enough space for blockcount? */ 761 if (pageoffset >= len) 762 return 1; 763 764 pp = pageoffset; 765 blockcount = FW_GET_BYTE(dsp + pp); 766 pp += 1; 767 768 for (j = 0; j < blockcount; j++) { 769 770 /* enough space for block header? */ 771 if (pp + 4 > len) 772 return 1; 773 774 pp += 2; /* skip blockaddr */ 775 blocksize = get_unaligned_le16(dsp + pp); 776 pp += 2; 777 778 /* enough space for block data? */ 779 if (pp + blocksize > len) 780 return 1; 781 782 pp += blocksize; 783 } 784 } 785 786 return 0; 787 } 788 789 static int check_dsp_e4(const u8 *dsp, int len) 790 { 791 int i; 792 struct l1_code *p = (struct l1_code *) dsp; 793 unsigned int sum = p->code - dsp; 794 795 if (len < sum) 796 return 1; 797 798 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 && 799 strcmp("STRATIPHY ANEXB", p->string_header) != 0) 800 return 1; 801 802 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) { 803 struct block_index *blockidx; 804 u8 blockno = p->page_number_to_block_index[i]; 805 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 806 continue; 807 808 do { 809 u64 l; 810 811 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 812 return 1; 813 814 blockidx = &p->page_header[blockno++]; 815 if ((u8 *)(blockidx + 1) - dsp >= len) 816 return 1; 817 818 if (le16_to_cpu(blockidx->PageNumber) != i) 819 return 1; 820 821 l = E4_PAGE_BYTES(blockidx->PageSize); 822 sum += l; 823 l += le32_to_cpu(blockidx->PageOffset); 824 if (l > len) 825 return 1; 826 827 /* zero is zero regardless endianes */ 828 } while (blockidx->NotLastBlock); 829 } 830 831 return (sum == len) ? 0 : 1; 832 } 833 834 /* 835 * send data to the idma pipe 836 * */ 837 static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size) 838 { 839 int ret = -ENOMEM; 840 u8 *xfer_buff; 841 int bytes_read; 842 843 xfer_buff = kmemdup(data, size, GFP_KERNEL); 844 if (!xfer_buff) { 845 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 846 return ret; 847 } 848 849 ret = usb_bulk_msg(sc->usb_dev, 850 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE), 851 xfer_buff, size, &bytes_read, BULK_TIMEOUT); 852 853 kfree(xfer_buff); 854 if (ret < 0) 855 return ret; 856 if (size != bytes_read) { 857 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size, 858 bytes_read); 859 return -EIO; 860 } 861 862 return 0; 863 } 864 865 static int request_dsp(struct uea_softc *sc) 866 { 867 int ret; 868 char *dsp_name; 869 870 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 871 if (IS_ISDN(sc)) 872 dsp_name = FW_DIR "DSP4i.bin"; 873 else 874 dsp_name = FW_DIR "DSP4p.bin"; 875 } else if (UEA_CHIP_VERSION(sc) == ADI930) { 876 if (IS_ISDN(sc)) 877 dsp_name = FW_DIR "DSP9i.bin"; 878 else 879 dsp_name = FW_DIR "DSP9p.bin"; 880 } else { 881 if (IS_ISDN(sc)) 882 dsp_name = FW_DIR "DSPei.bin"; 883 else 884 dsp_name = FW_DIR "DSPep.bin"; 885 } 886 887 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev); 888 if (ret < 0) { 889 uea_err(INS_TO_USBDEV(sc), 890 "requesting firmware %s failed with error %d\n", 891 dsp_name, ret); 892 return ret; 893 } 894 895 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 896 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size); 897 else 898 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size); 899 900 if (ret) { 901 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 902 dsp_name); 903 release_firmware(sc->dsp_firm); 904 sc->dsp_firm = NULL; 905 return -EILSEQ; 906 } 907 908 return 0; 909 } 910 911 /* 912 * The uea_load_page() function must be called within a process context 913 */ 914 static void uea_load_page_e1(struct work_struct *work) 915 { 916 struct uea_softc *sc = container_of(work, struct uea_softc, task); 917 u16 pageno = sc->pageno; 918 u16 ovl = sc->ovl; 919 struct block_info_e1 bi; 920 921 const u8 *p; 922 u8 pagecount, blockcount; 923 u16 blockaddr, blocksize; 924 u32 pageoffset; 925 int i; 926 927 /* reload firmware when reboot start and it's loaded already */ 928 if (ovl == 0 && pageno == 0 && sc->dsp_firm) { 929 release_firmware(sc->dsp_firm); 930 sc->dsp_firm = NULL; 931 } 932 933 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 934 return; 935 936 p = sc->dsp_firm->data; 937 pagecount = FW_GET_BYTE(p); 938 p += 1; 939 940 if (pageno >= pagecount) 941 goto bad1; 942 943 p += 4 * pageno; 944 pageoffset = get_unaligned_le32(p); 945 946 if (pageoffset == 0) 947 goto bad1; 948 949 p = sc->dsp_firm->data + pageoffset; 950 blockcount = FW_GET_BYTE(p); 951 p += 1; 952 953 uea_dbg(INS_TO_USBDEV(sc), 954 "sending %u blocks for DSP page %u\n", blockcount, pageno); 955 956 bi.wHdr = cpu_to_le16(UEA_BIHDR); 957 bi.wOvl = cpu_to_le16(ovl); 958 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000); 959 960 for (i = 0; i < blockcount; i++) { 961 blockaddr = get_unaligned_le16(p); 962 p += 2; 963 964 blocksize = get_unaligned_le16(p); 965 p += 2; 966 967 bi.wSize = cpu_to_le16(blocksize); 968 bi.wAddress = cpu_to_le16(blockaddr); 969 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0); 970 971 /* send block info through the IDMA pipe */ 972 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE)) 973 goto bad2; 974 975 /* send block data through the IDMA pipe */ 976 if (uea_idma_write(sc, p, blocksize)) 977 goto bad2; 978 979 p += blocksize; 980 } 981 982 return; 983 984 bad2: 985 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i); 986 return; 987 bad1: 988 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno); 989 } 990 991 static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot) 992 { 993 struct block_info_e4 bi; 994 struct block_index *blockidx; 995 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data; 996 u8 blockno = p->page_number_to_block_index[pageno]; 997 998 bi.wHdr = cpu_to_be16(UEA_BIHDR); 999 bi.bBootPage = boot; 1000 bi.bPageNumber = pageno; 1001 bi.wReserved = cpu_to_be16(UEA_RESERVED); 1002 1003 do { 1004 const u8 *blockoffset; 1005 unsigned int blocksize; 1006 1007 blockidx = &p->page_header[blockno]; 1008 blocksize = E4_PAGE_BYTES(blockidx->PageSize); 1009 blockoffset = sc->dsp_firm->data + le32_to_cpu( 1010 blockidx->PageOffset); 1011 1012 bi.dwSize = cpu_to_be32(blocksize); 1013 bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress)); 1014 1015 uea_dbg(INS_TO_USBDEV(sc), 1016 "sending block %u for DSP page " 1017 "%u size %u address %x\n", 1018 blockno, pageno, blocksize, 1019 le32_to_cpu(blockidx->PageAddress)); 1020 1021 /* send block info through the IDMA pipe */ 1022 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1023 goto bad; 1024 1025 /* send block data through the IDMA pipe */ 1026 if (uea_idma_write(sc, blockoffset, blocksize)) 1027 goto bad; 1028 1029 blockno++; 1030 } while (blockidx->NotLastBlock); 1031 1032 return; 1033 1034 bad: 1035 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno); 1036 return; 1037 } 1038 1039 static void uea_load_page_e4(struct work_struct *work) 1040 { 1041 struct uea_softc *sc = container_of(work, struct uea_softc, task); 1042 u8 pageno = sc->pageno; 1043 int i; 1044 struct block_info_e4 bi; 1045 struct l1_code *p; 1046 1047 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno); 1048 1049 /* reload firmware when reboot start and it's loaded already */ 1050 if (pageno == 0 && sc->dsp_firm) { 1051 release_firmware(sc->dsp_firm); 1052 sc->dsp_firm = NULL; 1053 } 1054 1055 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 1056 return; 1057 1058 p = (struct l1_code *) sc->dsp_firm->data; 1059 if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) { 1060 uea_err(INS_TO_USBDEV(sc), "invalid DSP " 1061 "page %u requested\n", pageno); 1062 return; 1063 } 1064 1065 if (pageno != 0) { 1066 __uea_load_page_e4(sc, pageno, 0); 1067 return; 1068 } 1069 1070 uea_dbg(INS_TO_USBDEV(sc), 1071 "sending Main DSP page %u\n", p->page_header[0].PageNumber); 1072 1073 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) { 1074 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize)) 1075 __uea_load_page_e4(sc, i, 1); 1076 } 1077 1078 uea_dbg(INS_TO_USBDEV(sc) , "sending start bi\n"); 1079 1080 bi.wHdr = cpu_to_be16(UEA_BIHDR); 1081 bi.bBootPage = 0; 1082 bi.bPageNumber = 0xff; 1083 bi.wReserved = cpu_to_be16(UEA_RESERVED); 1084 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize)); 1085 bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress)); 1086 1087 /* send block info through the IDMA pipe */ 1088 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1089 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n"); 1090 } 1091 1092 static inline void wake_up_cmv_ack(struct uea_softc *sc) 1093 { 1094 BUG_ON(sc->cmv_ack); 1095 sc->cmv_ack = 1; 1096 wake_up(&sc->sync_q); 1097 } 1098 1099 static inline int wait_cmv_ack(struct uea_softc *sc) 1100 { 1101 int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT); 1102 1103 sc->cmv_ack = 0; 1104 1105 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n", 1106 jiffies_to_msecs(ret)); 1107 1108 if (ret < 0) 1109 return ret; 1110 1111 return (ret == 0) ? -ETIMEDOUT : 0; 1112 } 1113 1114 #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00 1115 1116 static int uea_request(struct uea_softc *sc, 1117 u16 value, u16 index, u16 size, const void *data) 1118 { 1119 u8 *xfer_buff; 1120 int ret = -ENOMEM; 1121 1122 xfer_buff = kmemdup(data, size, GFP_KERNEL); 1123 if (!xfer_buff) { 1124 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 1125 return ret; 1126 } 1127 1128 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0), 1129 UCDC_SEND_ENCAPSULATED_COMMAND, 1130 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 1131 value, index, xfer_buff, size, CTRL_TIMEOUT); 1132 1133 kfree(xfer_buff); 1134 if (ret < 0) { 1135 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret); 1136 return ret; 1137 } 1138 1139 if (ret != size) { 1140 uea_err(INS_TO_USBDEV(sc), 1141 "usb_control_msg send only %d bytes (instead of %d)\n", 1142 ret, size); 1143 return -EIO; 1144 } 1145 1146 return 0; 1147 } 1148 1149 static int uea_cmv_e1(struct uea_softc *sc, 1150 u8 function, u32 address, u16 offset, u32 data) 1151 { 1152 struct cmv_e1 cmv; 1153 int ret; 1154 1155 uea_enters(INS_TO_USBDEV(sc)); 1156 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, " 1157 "offset : 0x%04x, data : 0x%08x\n", 1158 E1_FUNCTION_TYPE(function), 1159 E1_FUNCTION_SUBTYPE(function), 1160 E1_GETSA1(address), E1_GETSA2(address), 1161 E1_GETSA3(address), 1162 E1_GETSA4(address), offset, data); 1163 1164 /* we send a request, but we expect a reply */ 1165 sc->cmv_dsc.e1.function = function | 0x2; 1166 sc->cmv_dsc.e1.idx++; 1167 sc->cmv_dsc.e1.address = address; 1168 sc->cmv_dsc.e1.offset = offset; 1169 1170 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE); 1171 cmv.bDirection = E1_HOSTTOMODEM; 1172 cmv.bFunction = function; 1173 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx); 1174 put_unaligned_le32(address, &cmv.dwSymbolicAddress); 1175 cmv.wOffsetAddress = cpu_to_le16(offset); 1176 put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData); 1177 1178 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START, 1179 sizeof(cmv), &cmv); 1180 if (ret < 0) 1181 return ret; 1182 ret = wait_cmv_ack(sc); 1183 uea_leaves(INS_TO_USBDEV(sc)); 1184 return ret; 1185 } 1186 1187 static int uea_cmv_e4(struct uea_softc *sc, 1188 u16 function, u16 group, u16 address, u16 offset, u32 data) 1189 { 1190 struct cmv_e4 cmv; 1191 int ret; 1192 1193 uea_enters(INS_TO_USBDEV(sc)); 1194 memset(&cmv, 0, sizeof(cmv)); 1195 1196 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, " 1197 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n", 1198 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function), 1199 group, address, offset, data); 1200 1201 /* we send a request, but we expect a reply */ 1202 sc->cmv_dsc.e4.function = function | (0x1 << 4); 1203 sc->cmv_dsc.e4.offset = offset; 1204 sc->cmv_dsc.e4.address = address; 1205 sc->cmv_dsc.e4.group = group; 1206 1207 cmv.wFunction = cpu_to_be16(function); 1208 cmv.wGroup = cpu_to_be16(group); 1209 cmv.wAddress = cpu_to_be16(address); 1210 cmv.wOffset = cpu_to_be16(offset); 1211 cmv.dwData[0] = cpu_to_be32(data); 1212 1213 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START, 1214 sizeof(cmv), &cmv); 1215 if (ret < 0) 1216 return ret; 1217 ret = wait_cmv_ack(sc); 1218 uea_leaves(INS_TO_USBDEV(sc)); 1219 return ret; 1220 } 1221 1222 static inline int uea_read_cmv_e1(struct uea_softc *sc, 1223 u32 address, u16 offset, u32 *data) 1224 { 1225 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD), 1226 address, offset, 0); 1227 if (ret < 0) 1228 uea_err(INS_TO_USBDEV(sc), 1229 "reading cmv failed with error %d\n", ret); 1230 else 1231 *data = sc->data; 1232 1233 return ret; 1234 } 1235 1236 static inline int uea_read_cmv_e4(struct uea_softc *sc, 1237 u8 size, u16 group, u16 address, u16 offset, u32 *data) 1238 { 1239 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, 1240 E4_REQUESTREAD, size), 1241 group, address, offset, 0); 1242 if (ret < 0) 1243 uea_err(INS_TO_USBDEV(sc), 1244 "reading cmv failed with error %d\n", ret); 1245 else { 1246 *data = sc->data; 1247 /* size is in 16-bit word quantities */ 1248 if (size > 2) 1249 *(data + 1) = sc->data1; 1250 } 1251 return ret; 1252 } 1253 1254 static inline int uea_write_cmv_e1(struct uea_softc *sc, 1255 u32 address, u16 offset, u32 data) 1256 { 1257 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE), 1258 address, offset, data); 1259 if (ret < 0) 1260 uea_err(INS_TO_USBDEV(sc), 1261 "writing cmv failed with error %d\n", ret); 1262 1263 return ret; 1264 } 1265 1266 static inline int uea_write_cmv_e4(struct uea_softc *sc, 1267 u8 size, u16 group, u16 address, u16 offset, u32 data) 1268 { 1269 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, 1270 E4_REQUESTWRITE, size), 1271 group, address, offset, data); 1272 if (ret < 0) 1273 uea_err(INS_TO_USBDEV(sc), 1274 "writing cmv failed with error %d\n", ret); 1275 1276 return ret; 1277 } 1278 1279 static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate) 1280 { 1281 int ret; 1282 u16 timeout; 1283 1284 /* in bulk mode the modem have problem with high rate 1285 * changing internal timing could improve things, but the 1286 * value is mysterious. 1287 * ADI930 don't support it (-EPIPE error). 1288 */ 1289 1290 if (UEA_CHIP_VERSION(sc) == ADI930 || 1291 altsetting[sc->modem_index] > 0 || 1292 sc->stats.phy.dsrate == dsrate) 1293 return; 1294 1295 /* Original timming (1Mbit/s) from ADI (used in windows driver) */ 1296 timeout = (dsrate <= 1024*1024) ? 0 : 1; 1297 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL); 1298 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n", 1299 timeout, ret < 0 ? " failed" : ""); 1300 1301 } 1302 1303 /* 1304 * Monitor the modem and update the stat 1305 * return 0 if everything is ok 1306 * return < 0 if an error occurs (-EAGAIN reboot needed) 1307 */ 1308 static int uea_stat_e1(struct uea_softc *sc) 1309 { 1310 u32 data; 1311 int ret; 1312 1313 uea_enters(INS_TO_USBDEV(sc)); 1314 data = sc->stats.phy.state; 1315 1316 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state); 1317 if (ret < 0) 1318 return ret; 1319 1320 switch (GET_STATUS(sc->stats.phy.state)) { 1321 case 0: /* not yet synchronized */ 1322 uea_dbg(INS_TO_USBDEV(sc), 1323 "modem not yet synchronized\n"); 1324 return 0; 1325 1326 case 1: /* initialization */ 1327 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1328 return 0; 1329 1330 case 2: /* operational */ 1331 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n"); 1332 break; 1333 1334 case 3: /* fail ... */ 1335 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed" 1336 " (may be try other cmv/dsp)\n"); 1337 return -EAGAIN; 1338 1339 case 4 ... 6: /* test state */ 1340 uea_warn(INS_TO_USBDEV(sc), 1341 "modem in test mode - not supported\n"); 1342 return -EAGAIN; 1343 1344 case 7: /* fast-retain ... */ 1345 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n"); 1346 return 0; 1347 default: 1348 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n", 1349 GET_STATUS(sc->stats.phy.state)); 1350 return -EAGAIN; 1351 } 1352 1353 if (GET_STATUS(data) != 2) { 1354 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1355 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1356 1357 /* release the dsp firmware as it is not needed until 1358 * the next failure 1359 */ 1360 release_firmware(sc->dsp_firm); 1361 sc->dsp_firm = NULL; 1362 } 1363 1364 /* always update it as atm layer could not be init when we switch to 1365 * operational state 1366 */ 1367 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); 1368 1369 /* wake up processes waiting for synchronization */ 1370 wake_up(&sc->sync_q); 1371 1372 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags); 1373 if (ret < 0) 1374 return ret; 1375 sc->stats.phy.mflags |= sc->stats.phy.flags; 1376 1377 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1378 * we check the status again in order to detect the failure earlier 1379 */ 1380 if (sc->stats.phy.flags) { 1381 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1382 sc->stats.phy.flags); 1383 return 0; 1384 } 1385 1386 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data); 1387 if (ret < 0) 1388 return ret; 1389 1390 uea_set_bulk_timeout(sc, (data >> 16) * 32); 1391 sc->stats.phy.dsrate = (data >> 16) * 32; 1392 sc->stats.phy.usrate = (data & 0xffff) * 32; 1393 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1394 1395 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data); 1396 if (ret < 0) 1397 return ret; 1398 sc->stats.phy.dsattenuation = (data & 0xff) / 2; 1399 1400 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data); 1401 if (ret < 0) 1402 return ret; 1403 sc->stats.phy.usattenuation = (data & 0xff) / 2; 1404 1405 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin); 1406 if (ret < 0) 1407 return ret; 1408 1409 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin); 1410 if (ret < 0) 1411 return ret; 1412 1413 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow); 1414 if (ret < 0) 1415 return ret; 1416 1417 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow); 1418 if (ret < 0) 1419 return ret; 1420 1421 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc); 1422 if (ret < 0) 1423 return ret; 1424 1425 /* only for atu-c */ 1426 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc); 1427 if (ret < 0) 1428 return ret; 1429 1430 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr); 1431 if (ret < 0) 1432 return ret; 1433 1434 /* only for atu-c */ 1435 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr); 1436 if (ret < 0) 1437 return ret; 1438 1439 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco); 1440 if (ret < 0) 1441 return ret; 1442 1443 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe); 1444 if (ret < 0) 1445 return ret; 1446 1447 return 0; 1448 } 1449 1450 static int uea_stat_e4(struct uea_softc *sc) 1451 { 1452 u32 data; 1453 u32 tmp_arr[2]; 1454 int ret; 1455 1456 uea_enters(INS_TO_USBDEV(sc)); 1457 data = sc->stats.phy.state; 1458 1459 /* XXX only need to be done before operationnal... */ 1460 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state); 1461 if (ret < 0) 1462 return ret; 1463 1464 switch (sc->stats.phy.state) { 1465 case 0x0: /* not yet synchronized */ 1466 case 0x1: 1467 case 0x3: 1468 case 0x4: 1469 uea_dbg(INS_TO_USBDEV(sc), "modem not yet " 1470 "synchronized\n"); 1471 return 0; 1472 case 0x5: /* initialization */ 1473 case 0x6: 1474 case 0x9: 1475 case 0xa: 1476 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1477 return 0; 1478 case 0x2: /* fail ... */ 1479 uea_info(INS_TO_USBDEV(sc), "modem synchronization " 1480 "failed (may be try other cmv/dsp)\n"); 1481 return -EAGAIN; 1482 case 0x7: /* operational */ 1483 break; 1484 default: 1485 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n", 1486 sc->stats.phy.state); 1487 return 0; 1488 } 1489 1490 if (data != 7) { 1491 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1492 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1493 1494 /* release the dsp firmware as it is not needed until 1495 * the next failure 1496 */ 1497 release_firmware(sc->dsp_firm); 1498 sc->dsp_firm = NULL; 1499 } 1500 1501 /* always update it as atm layer could not be init when we switch to 1502 * operational state 1503 */ 1504 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); 1505 1506 /* wake up processes waiting for synchronization */ 1507 wake_up(&sc->sync_q); 1508 1509 /* TODO improve this state machine : 1510 * we need some CMV info : what they do and their unit 1511 * we should find the equivalent of eagle3- CMV 1512 */ 1513 /* check flags */ 1514 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags); 1515 if (ret < 0) 1516 return ret; 1517 sc->stats.phy.mflags |= sc->stats.phy.flags; 1518 1519 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1520 * we check the status again in order to detect the failure earlier 1521 */ 1522 if (sc->stats.phy.flags) { 1523 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1524 sc->stats.phy.flags); 1525 if (sc->stats.phy.flags & 1) /* delineation LOSS */ 1526 return -EAGAIN; 1527 if (sc->stats.phy.flags & 0x4000) /* Reset Flag */ 1528 return -EAGAIN; 1529 return 0; 1530 } 1531 1532 /* rate data may be in upper or lower half of 64 bit word, strange */ 1533 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr); 1534 if (ret < 0) 1535 return ret; 1536 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1537 sc->stats.phy.usrate = data / 1000; 1538 1539 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr); 1540 if (ret < 0) 1541 return ret; 1542 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1543 uea_set_bulk_timeout(sc, data / 1000); 1544 sc->stats.phy.dsrate = data / 1000; 1545 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1546 1547 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data); 1548 if (ret < 0) 1549 return ret; 1550 sc->stats.phy.dsattenuation = data / 10; 1551 1552 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data); 1553 if (ret < 0) 1554 return ret; 1555 sc->stats.phy.usattenuation = data / 10; 1556 1557 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data); 1558 if (ret < 0) 1559 return ret; 1560 sc->stats.phy.dsmargin = data / 2; 1561 1562 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data); 1563 if (ret < 0) 1564 return ret; 1565 sc->stats.phy.usmargin = data / 10; 1566 1567 return 0; 1568 } 1569 1570 static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver) 1571 { 1572 char file_arr[] = "CMVxy.bin"; 1573 char *file; 1574 1575 kparam_block_sysfs_write(cmv_file); 1576 /* set proper name corresponding modem version and line type */ 1577 if (cmv_file[sc->modem_index] == NULL) { 1578 if (UEA_CHIP_VERSION(sc) == ADI930) 1579 file_arr[3] = '9'; 1580 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1581 file_arr[3] = '4'; 1582 else 1583 file_arr[3] = 'e'; 1584 1585 file_arr[4] = IS_ISDN(sc) ? 'i' : 'p'; 1586 file = file_arr; 1587 } else 1588 file = cmv_file[sc->modem_index]; 1589 1590 strcpy(cmv_name, FW_DIR); 1591 strlcat(cmv_name, file, UEA_FW_NAME_MAX); 1592 if (ver == 2) 1593 strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX); 1594 kparam_unblock_sysfs_write(cmv_file); 1595 } 1596 1597 static int request_cmvs_old(struct uea_softc *sc, 1598 void **cmvs, const struct firmware **fw) 1599 { 1600 int ret, size; 1601 u8 *data; 1602 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1603 1604 cmvs_file_name(sc, cmv_name, 1); 1605 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1606 if (ret < 0) { 1607 uea_err(INS_TO_USBDEV(sc), 1608 "requesting firmware %s failed with error %d\n", 1609 cmv_name, ret); 1610 return ret; 1611 } 1612 1613 data = (u8 *) (*fw)->data; 1614 size = (*fw)->size; 1615 if (size < 1) 1616 goto err_fw_corrupted; 1617 1618 if (size != *data * sizeof(struct uea_cmvs_v1) + 1) 1619 goto err_fw_corrupted; 1620 1621 *cmvs = (void *)(data + 1); 1622 return *data; 1623 1624 err_fw_corrupted: 1625 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1626 release_firmware(*fw); 1627 return -EILSEQ; 1628 } 1629 1630 static int request_cmvs(struct uea_softc *sc, 1631 void **cmvs, const struct firmware **fw, int *ver) 1632 { 1633 int ret, size; 1634 u32 crc; 1635 u8 *data; 1636 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1637 1638 cmvs_file_name(sc, cmv_name, 2); 1639 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1640 if (ret < 0) { 1641 /* if caller can handle old version, try to provide it */ 1642 if (*ver == 1) { 1643 uea_warn(INS_TO_USBDEV(sc), "requesting " 1644 "firmware %s failed, " 1645 "try to get older cmvs\n", cmv_name); 1646 return request_cmvs_old(sc, cmvs, fw); 1647 } 1648 uea_err(INS_TO_USBDEV(sc), 1649 "requesting firmware %s failed with error %d\n", 1650 cmv_name, ret); 1651 return ret; 1652 } 1653 1654 size = (*fw)->size; 1655 data = (u8 *) (*fw)->data; 1656 if (size < 4 || strncmp(data, "cmv2", 4) != 0) { 1657 if (*ver == 1) { 1658 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted," 1659 " try to get older cmvs\n", cmv_name); 1660 release_firmware(*fw); 1661 return request_cmvs_old(sc, cmvs, fw); 1662 } 1663 goto err_fw_corrupted; 1664 } 1665 1666 *ver = 2; 1667 1668 data += 4; 1669 size -= 4; 1670 if (size < 5) 1671 goto err_fw_corrupted; 1672 1673 crc = get_unaligned_le32(data); 1674 data += 4; 1675 size -= 4; 1676 if (crc32_be(0, data, size) != crc) 1677 goto err_fw_corrupted; 1678 1679 if (size != *data * sizeof(struct uea_cmvs_v2) + 1) 1680 goto err_fw_corrupted; 1681 1682 *cmvs = (void *) (data + 1); 1683 return *data; 1684 1685 err_fw_corrupted: 1686 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1687 release_firmware(*fw); 1688 return -EILSEQ; 1689 } 1690 1691 static int uea_send_cmvs_e1(struct uea_softc *sc) 1692 { 1693 int i, ret, len; 1694 void *cmvs_ptr; 1695 const struct firmware *cmvs_fw; 1696 int ver = 1; /* we can handle v1 cmv firmware version; */ 1697 1698 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1699 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1); 1700 if (ret < 0) 1701 return ret; 1702 1703 /* Dump firmware version */ 1704 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid); 1705 if (ret < 0) 1706 return ret; 1707 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1708 sc->stats.phy.firmid); 1709 1710 /* get options */ 1711 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1712 if (ret < 0) 1713 return ret; 1714 1715 /* send options */ 1716 if (ver == 1) { 1717 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr; 1718 1719 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, " 1720 "please update your firmware\n"); 1721 1722 for (i = 0; i < len; i++) { 1723 ret = uea_write_cmv_e1(sc, 1724 get_unaligned_le32(&cmvs_v1[i].address), 1725 get_unaligned_le16(&cmvs_v1[i].offset), 1726 get_unaligned_le32(&cmvs_v1[i].data)); 1727 if (ret < 0) 1728 goto out; 1729 } 1730 } else if (ver == 2) { 1731 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1732 1733 for (i = 0; i < len; i++) { 1734 ret = uea_write_cmv_e1(sc, 1735 get_unaligned_le32(&cmvs_v2[i].address), 1736 (u16) get_unaligned_le32(&cmvs_v2[i].offset), 1737 get_unaligned_le32(&cmvs_v2[i].data)); 1738 if (ret < 0) 1739 goto out; 1740 } 1741 } else { 1742 /* This really should not happen */ 1743 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1744 goto out; 1745 } 1746 1747 /* Enter in R-ACT-REQ */ 1748 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2); 1749 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1750 uea_info(INS_TO_USBDEV(sc), "modem started, waiting " 1751 "synchronization...\n"); 1752 out: 1753 release_firmware(cmvs_fw); 1754 return ret; 1755 } 1756 1757 static int uea_send_cmvs_e4(struct uea_softc *sc) 1758 { 1759 int i, ret, len; 1760 void *cmvs_ptr; 1761 const struct firmware *cmvs_fw; 1762 int ver = 2; /* we can only handle v2 cmv firmware version; */ 1763 1764 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1765 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1); 1766 if (ret < 0) 1767 return ret; 1768 1769 /* Dump firmware version */ 1770 /* XXX don't read the 3th byte as it is always 6 */ 1771 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid); 1772 if (ret < 0) 1773 return ret; 1774 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1775 sc->stats.phy.firmid); 1776 1777 1778 /* get options */ 1779 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1780 if (ret < 0) 1781 return ret; 1782 1783 /* send options */ 1784 if (ver == 2) { 1785 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1786 1787 for (i = 0; i < len; i++) { 1788 ret = uea_write_cmv_e4(sc, 1, 1789 get_unaligned_le32(&cmvs_v2[i].group), 1790 get_unaligned_le32(&cmvs_v2[i].address), 1791 get_unaligned_le32(&cmvs_v2[i].offset), 1792 get_unaligned_le32(&cmvs_v2[i].data)); 1793 if (ret < 0) 1794 goto out; 1795 } 1796 } else { 1797 /* This really should not happen */ 1798 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1799 goto out; 1800 } 1801 1802 /* Enter in R-ACT-REQ */ 1803 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2); 1804 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1805 uea_info(INS_TO_USBDEV(sc), "modem started, waiting " 1806 "synchronization...\n"); 1807 out: 1808 release_firmware(cmvs_fw); 1809 return ret; 1810 } 1811 1812 /* Start boot post firmware modem: 1813 * - send reset commands through usb control pipe 1814 * - start workqueue for DSP loading 1815 * - send CMV options to modem 1816 */ 1817 1818 static int uea_start_reset(struct uea_softc *sc) 1819 { 1820 u16 zero = 0; /* ;-) */ 1821 int ret; 1822 1823 uea_enters(INS_TO_USBDEV(sc)); 1824 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n"); 1825 1826 /* mask interrupt */ 1827 sc->booting = 1; 1828 /* We need to set this here because, a ack timeout could have occurred, 1829 * but before we start the reboot, the ack occurs and set this to 1. 1830 * So we will failed to wait Ready CMV. 1831 */ 1832 sc->cmv_ack = 0; 1833 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); 1834 1835 /* reset statistics */ 1836 memset(&sc->stats, 0, sizeof(struct uea_stats)); 1837 1838 /* tell the modem that we want to boot in IDMA mode */ 1839 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 1840 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL); 1841 1842 /* enter reset mode */ 1843 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL); 1844 1845 /* original driver use 200ms, but windows driver use 100ms */ 1846 ret = uea_wait(sc, 0, msecs_to_jiffies(100)); 1847 if (ret < 0) 1848 return ret; 1849 1850 /* leave reset mode */ 1851 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL); 1852 1853 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) { 1854 /* clear tx and rx mailboxes */ 1855 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero); 1856 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero); 1857 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero); 1858 } 1859 1860 ret = uea_wait(sc, 0, msecs_to_jiffies(1000)); 1861 if (ret < 0) 1862 return ret; 1863 1864 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1865 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, 1866 E4_MODEMREADY, 1); 1867 else 1868 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, 1869 E1_MODEMREADY); 1870 1871 /* demask interrupt */ 1872 sc->booting = 0; 1873 1874 /* start loading DSP */ 1875 sc->pageno = 0; 1876 sc->ovl = 0; 1877 schedule_work(&sc->task); 1878 1879 /* wait for modem ready CMV */ 1880 ret = wait_cmv_ack(sc); 1881 if (ret < 0) 1882 return ret; 1883 1884 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n"); 1885 1886 ret = sc->send_cmvs(sc); 1887 if (ret < 0) 1888 return ret; 1889 1890 sc->reset = 0; 1891 uea_leaves(INS_TO_USBDEV(sc)); 1892 return ret; 1893 } 1894 1895 /* 1896 * In case of an error wait 1s before rebooting the modem 1897 * if the modem don't request reboot (-EAGAIN). 1898 * Monitor the modem every 1s. 1899 */ 1900 1901 static int uea_kthread(void *data) 1902 { 1903 struct uea_softc *sc = data; 1904 int ret = -EAGAIN; 1905 1906 set_freezable(); 1907 uea_enters(INS_TO_USBDEV(sc)); 1908 while (!kthread_should_stop()) { 1909 if (ret < 0 || sc->reset) 1910 ret = uea_start_reset(sc); 1911 if (!ret) 1912 ret = sc->stat(sc); 1913 if (ret != -EAGAIN) 1914 uea_wait(sc, 0, msecs_to_jiffies(1000)); 1915 try_to_freeze(); 1916 } 1917 uea_leaves(INS_TO_USBDEV(sc)); 1918 return ret; 1919 } 1920 1921 /* Load second usb firmware for ADI930 chip */ 1922 static int load_XILINX_firmware(struct uea_softc *sc) 1923 { 1924 const struct firmware *fw_entry; 1925 int ret, size, u, ln; 1926 const u8 *pfw; 1927 u8 value; 1928 char *fw_name = FW_DIR "930-fpga.bin"; 1929 1930 uea_enters(INS_TO_USBDEV(sc)); 1931 1932 ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev); 1933 if (ret) { 1934 uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n", 1935 fw_name); 1936 goto err0; 1937 } 1938 1939 pfw = fw_entry->data; 1940 size = fw_entry->size; 1941 if (size != 0x577B) { 1942 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 1943 fw_name); 1944 ret = -EILSEQ; 1945 goto err1; 1946 } 1947 for (u = 0; u < size; u += ln) { 1948 ln = min(size - u, 64); 1949 ret = uea_request(sc, 0xe, 0, ln, pfw + u); 1950 if (ret < 0) { 1951 uea_err(INS_TO_USBDEV(sc), 1952 "elsa download data failed (%d)\n", ret); 1953 goto err1; 1954 } 1955 } 1956 1957 /* finish to send the fpga */ 1958 ret = uea_request(sc, 0xe, 1, 0, NULL); 1959 if (ret < 0) { 1960 uea_err(INS_TO_USBDEV(sc), 1961 "elsa download data failed (%d)\n", ret); 1962 goto err1; 1963 } 1964 1965 /* Tell the modem we finish : de-assert reset */ 1966 value = 0; 1967 ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value); 1968 if (ret < 0) 1969 uea_err(sc->usb_dev, "elsa de-assert failed with error" 1970 " %d\n", ret); 1971 1972 err1: 1973 release_firmware(fw_entry); 1974 err0: 1975 uea_leaves(INS_TO_USBDEV(sc)); 1976 return ret; 1977 } 1978 1979 /* The modem send us an ack. First with check if it right */ 1980 static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr) 1981 { 1982 struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1; 1983 struct cmv_e1 *cmv = &intr->u.e1.s2.cmv; 1984 1985 uea_enters(INS_TO_USBDEV(sc)); 1986 if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE) 1987 goto bad1; 1988 1989 if (cmv->bDirection != E1_MODEMTOHOST) 1990 goto bad1; 1991 1992 /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to 1993 * the first MEMACCESS cmv. Ignore it... 1994 */ 1995 if (cmv->bFunction != dsc->function) { 1996 if (UEA_CHIP_VERSION(sc) == ADI930 1997 && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) { 1998 cmv->wIndex = cpu_to_le16(dsc->idx); 1999 put_unaligned_le32(dsc->address, 2000 &cmv->dwSymbolicAddress); 2001 cmv->wOffsetAddress = cpu_to_le16(dsc->offset); 2002 } else 2003 goto bad2; 2004 } 2005 2006 if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, 2007 E1_MODEMREADY)) { 2008 wake_up_cmv_ack(sc); 2009 uea_leaves(INS_TO_USBDEV(sc)); 2010 return; 2011 } 2012 2013 /* in case of MEMACCESS */ 2014 if (le16_to_cpu(cmv->wIndex) != dsc->idx || 2015 get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address || 2016 le16_to_cpu(cmv->wOffsetAddress) != dsc->offset) 2017 goto bad2; 2018 2019 sc->data = get_unaligned_le32(&cmv->dwData); 2020 sc->data = sc->data << 16 | sc->data >> 16; 2021 2022 wake_up_cmv_ack(sc); 2023 uea_leaves(INS_TO_USBDEV(sc)); 2024 return; 2025 2026 bad2: 2027 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2028 "Function : %d, Subfunction : %d\n", 2029 E1_FUNCTION_TYPE(cmv->bFunction), 2030 E1_FUNCTION_SUBTYPE(cmv->bFunction)); 2031 uea_leaves(INS_TO_USBDEV(sc)); 2032 return; 2033 2034 bad1: 2035 uea_err(INS_TO_USBDEV(sc), "invalid cmv received, " 2036 "wPreamble %d, bDirection %d\n", 2037 le16_to_cpu(cmv->wPreamble), cmv->bDirection); 2038 uea_leaves(INS_TO_USBDEV(sc)); 2039 } 2040 2041 /* The modem send us an ack. First with check if it right */ 2042 static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr) 2043 { 2044 struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4; 2045 struct cmv_e4 *cmv = &intr->u.e4.s2.cmv; 2046 2047 uea_enters(INS_TO_USBDEV(sc)); 2048 uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n", 2049 be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction), 2050 be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress), 2051 be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1])); 2052 2053 if (be16_to_cpu(cmv->wFunction) != dsc->function) 2054 goto bad2; 2055 2056 if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, 2057 E4_MODEMREADY, 1)) { 2058 wake_up_cmv_ack(sc); 2059 uea_leaves(INS_TO_USBDEV(sc)); 2060 return; 2061 } 2062 2063 /* in case of MEMACCESS */ 2064 if (be16_to_cpu(cmv->wOffset) != dsc->offset || 2065 be16_to_cpu(cmv->wGroup) != dsc->group || 2066 be16_to_cpu(cmv->wAddress) != dsc->address) 2067 goto bad2; 2068 2069 sc->data = be32_to_cpu(cmv->dwData[0]); 2070 sc->data1 = be32_to_cpu(cmv->dwData[1]); 2071 wake_up_cmv_ack(sc); 2072 uea_leaves(INS_TO_USBDEV(sc)); 2073 return; 2074 2075 bad2: 2076 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2077 "Function : %d, Subfunction : %d\n", 2078 E4_FUNCTION_TYPE(cmv->wFunction), 2079 E4_FUNCTION_SUBTYPE(cmv->wFunction)); 2080 uea_leaves(INS_TO_USBDEV(sc)); 2081 return; 2082 } 2083 2084 static void uea_schedule_load_page_e1(struct uea_softc *sc, 2085 struct intr_pkt *intr) 2086 { 2087 sc->pageno = intr->e1_bSwapPageNo; 2088 sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4; 2089 schedule_work(&sc->task); 2090 } 2091 2092 static void uea_schedule_load_page_e4(struct uea_softc *sc, 2093 struct intr_pkt *intr) 2094 { 2095 sc->pageno = intr->e4_bSwapPageNo; 2096 schedule_work(&sc->task); 2097 } 2098 2099 /* 2100 * interrupt handler 2101 */ 2102 static void uea_intr(struct urb *urb) 2103 { 2104 struct uea_softc *sc = urb->context; 2105 struct intr_pkt *intr = urb->transfer_buffer; 2106 int status = urb->status; 2107 2108 uea_enters(INS_TO_USBDEV(sc)); 2109 2110 if (unlikely(status < 0)) { 2111 uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n", 2112 status); 2113 return; 2114 } 2115 2116 /* device-to-host interrupt */ 2117 if (intr->bType != 0x08 || sc->booting) { 2118 uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n"); 2119 goto resubmit; 2120 } 2121 2122 switch (le16_to_cpu(intr->wInterrupt)) { 2123 case INT_LOADSWAPPAGE: 2124 sc->schedule_load_page(sc, intr); 2125 break; 2126 2127 case INT_INCOMINGCMV: 2128 sc->dispatch_cmv(sc, intr); 2129 break; 2130 2131 default: 2132 uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n", 2133 le16_to_cpu(intr->wInterrupt)); 2134 } 2135 2136 resubmit: 2137 usb_submit_urb(sc->urb_int, GFP_ATOMIC); 2138 } 2139 2140 /* 2141 * Start the modem : init the data and start kernel thread 2142 */ 2143 static int uea_boot(struct uea_softc *sc) 2144 { 2145 int ret, size; 2146 struct intr_pkt *intr; 2147 2148 uea_enters(INS_TO_USBDEV(sc)); 2149 2150 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2151 size = E4_INTR_PKT_SIZE; 2152 sc->dispatch_cmv = uea_dispatch_cmv_e4; 2153 sc->schedule_load_page = uea_schedule_load_page_e4; 2154 sc->stat = uea_stat_e4; 2155 sc->send_cmvs = uea_send_cmvs_e4; 2156 INIT_WORK(&sc->task, uea_load_page_e4); 2157 } else { 2158 size = E1_INTR_PKT_SIZE; 2159 sc->dispatch_cmv = uea_dispatch_cmv_e1; 2160 sc->schedule_load_page = uea_schedule_load_page_e1; 2161 sc->stat = uea_stat_e1; 2162 sc->send_cmvs = uea_send_cmvs_e1; 2163 INIT_WORK(&sc->task, uea_load_page_e1); 2164 } 2165 2166 init_waitqueue_head(&sc->sync_q); 2167 2168 if (UEA_CHIP_VERSION(sc) == ADI930) 2169 load_XILINX_firmware(sc); 2170 2171 intr = kmalloc(size, GFP_KERNEL); 2172 if (!intr) { 2173 uea_err(INS_TO_USBDEV(sc), 2174 "cannot allocate interrupt package\n"); 2175 goto err0; 2176 } 2177 2178 sc->urb_int = usb_alloc_urb(0, GFP_KERNEL); 2179 if (!sc->urb_int) { 2180 uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n"); 2181 goto err1; 2182 } 2183 2184 usb_fill_int_urb(sc->urb_int, sc->usb_dev, 2185 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE), 2186 intr, size, uea_intr, sc, 2187 sc->usb_dev->actconfig->interface[0]->altsetting[0]. 2188 endpoint[0].desc.bInterval); 2189 2190 ret = usb_submit_urb(sc->urb_int, GFP_KERNEL); 2191 if (ret < 0) { 2192 uea_err(INS_TO_USBDEV(sc), 2193 "urb submition failed with error %d\n", ret); 2194 goto err1; 2195 } 2196 2197 /* Create worker thread, but don't start it here. Start it after 2198 * all usbatm generic initialization is done. 2199 */ 2200 sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm"); 2201 if (IS_ERR(sc->kthread)) { 2202 uea_err(INS_TO_USBDEV(sc), "failed to create thread\n"); 2203 goto err2; 2204 } 2205 2206 uea_leaves(INS_TO_USBDEV(sc)); 2207 return 0; 2208 2209 err2: 2210 usb_kill_urb(sc->urb_int); 2211 err1: 2212 usb_free_urb(sc->urb_int); 2213 sc->urb_int = NULL; 2214 kfree(intr); 2215 err0: 2216 uea_leaves(INS_TO_USBDEV(sc)); 2217 return -ENOMEM; 2218 } 2219 2220 /* 2221 * Stop the modem : kill kernel thread and free data 2222 */ 2223 static void uea_stop(struct uea_softc *sc) 2224 { 2225 int ret; 2226 uea_enters(INS_TO_USBDEV(sc)); 2227 ret = kthread_stop(sc->kthread); 2228 uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret); 2229 2230 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 2231 2232 usb_kill_urb(sc->urb_int); 2233 kfree(sc->urb_int->transfer_buffer); 2234 usb_free_urb(sc->urb_int); 2235 2236 /* flush the work item, when no one can schedule it */ 2237 flush_work_sync(&sc->task); 2238 2239 release_firmware(sc->dsp_firm); 2240 uea_leaves(INS_TO_USBDEV(sc)); 2241 } 2242 2243 /* syfs interface */ 2244 static struct uea_softc *dev_to_uea(struct device *dev) 2245 { 2246 struct usb_interface *intf; 2247 struct usbatm_data *usbatm; 2248 2249 intf = to_usb_interface(dev); 2250 if (!intf) 2251 return NULL; 2252 2253 usbatm = usb_get_intfdata(intf); 2254 if (!usbatm) 2255 return NULL; 2256 2257 return usbatm->driver_data; 2258 } 2259 2260 static ssize_t read_status(struct device *dev, struct device_attribute *attr, 2261 char *buf) 2262 { 2263 int ret = -ENODEV; 2264 struct uea_softc *sc; 2265 2266 mutex_lock(&uea_mutex); 2267 sc = dev_to_uea(dev); 2268 if (!sc) 2269 goto out; 2270 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state); 2271 out: 2272 mutex_unlock(&uea_mutex); 2273 return ret; 2274 } 2275 2276 static ssize_t reboot(struct device *dev, struct device_attribute *attr, 2277 const char *buf, size_t count) 2278 { 2279 int ret = -ENODEV; 2280 struct uea_softc *sc; 2281 2282 mutex_lock(&uea_mutex); 2283 sc = dev_to_uea(dev); 2284 if (!sc) 2285 goto out; 2286 sc->reset = 1; 2287 ret = count; 2288 out: 2289 mutex_unlock(&uea_mutex); 2290 return ret; 2291 } 2292 2293 static DEVICE_ATTR(stat_status, S_IWUSR | S_IRUGO, read_status, reboot); 2294 2295 static ssize_t read_human_status(struct device *dev, 2296 struct device_attribute *attr, char *buf) 2297 { 2298 int ret = -ENODEV; 2299 int modem_state; 2300 struct uea_softc *sc; 2301 2302 mutex_lock(&uea_mutex); 2303 sc = dev_to_uea(dev); 2304 if (!sc) 2305 goto out; 2306 2307 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2308 switch (sc->stats.phy.state) { 2309 case 0x0: /* not yet synchronized */ 2310 case 0x1: 2311 case 0x3: 2312 case 0x4: 2313 modem_state = 0; 2314 break; 2315 case 0x5: /* initialization */ 2316 case 0x6: 2317 case 0x9: 2318 case 0xa: 2319 modem_state = 1; 2320 break; 2321 case 0x7: /* operational */ 2322 modem_state = 2; 2323 break; 2324 case 0x2: /* fail ... */ 2325 modem_state = 3; 2326 break; 2327 default: /* unknown */ 2328 modem_state = 4; 2329 break; 2330 } 2331 } else 2332 modem_state = GET_STATUS(sc->stats.phy.state); 2333 2334 switch (modem_state) { 2335 case 0: 2336 ret = sprintf(buf, "Modem is booting\n"); 2337 break; 2338 case 1: 2339 ret = sprintf(buf, "Modem is initializing\n"); 2340 break; 2341 case 2: 2342 ret = sprintf(buf, "Modem is operational\n"); 2343 break; 2344 case 3: 2345 ret = sprintf(buf, "Modem synchronization failed\n"); 2346 break; 2347 default: 2348 ret = sprintf(buf, "Modem state is unknown\n"); 2349 break; 2350 } 2351 out: 2352 mutex_unlock(&uea_mutex); 2353 return ret; 2354 } 2355 2356 static DEVICE_ATTR(stat_human_status, S_IRUGO, read_human_status, NULL); 2357 2358 static ssize_t read_delin(struct device *dev, struct device_attribute *attr, 2359 char *buf) 2360 { 2361 int ret = -ENODEV; 2362 struct uea_softc *sc; 2363 char *delin = "GOOD"; 2364 2365 mutex_lock(&uea_mutex); 2366 sc = dev_to_uea(dev); 2367 if (!sc) 2368 goto out; 2369 2370 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2371 if (sc->stats.phy.flags & 0x4000) 2372 delin = "RESET"; 2373 else if (sc->stats.phy.flags & 0x0001) 2374 delin = "LOSS"; 2375 } else { 2376 if (sc->stats.phy.flags & 0x0C00) 2377 delin = "ERROR"; 2378 else if (sc->stats.phy.flags & 0x0030) 2379 delin = "LOSS"; 2380 } 2381 2382 ret = sprintf(buf, "%s\n", delin); 2383 out: 2384 mutex_unlock(&uea_mutex); 2385 return ret; 2386 } 2387 2388 static DEVICE_ATTR(stat_delin, S_IRUGO, read_delin, NULL); 2389 2390 #define UEA_ATTR(name, reset) \ 2391 \ 2392 static ssize_t read_##name(struct device *dev, \ 2393 struct device_attribute *attr, char *buf) \ 2394 { \ 2395 int ret = -ENODEV; \ 2396 struct uea_softc *sc; \ 2397 \ 2398 mutex_lock(&uea_mutex); \ 2399 sc = dev_to_uea(dev); \ 2400 if (!sc) \ 2401 goto out; \ 2402 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \ 2403 if (reset) \ 2404 sc->stats.phy.name = 0; \ 2405 out: \ 2406 mutex_unlock(&uea_mutex); \ 2407 return ret; \ 2408 } \ 2409 \ 2410 static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL) 2411 2412 UEA_ATTR(mflags, 1); 2413 UEA_ATTR(vidcpe, 0); 2414 UEA_ATTR(usrate, 0); 2415 UEA_ATTR(dsrate, 0); 2416 UEA_ATTR(usattenuation, 0); 2417 UEA_ATTR(dsattenuation, 0); 2418 UEA_ATTR(usmargin, 0); 2419 UEA_ATTR(dsmargin, 0); 2420 UEA_ATTR(txflow, 0); 2421 UEA_ATTR(rxflow, 0); 2422 UEA_ATTR(uscorr, 0); 2423 UEA_ATTR(dscorr, 0); 2424 UEA_ATTR(usunc, 0); 2425 UEA_ATTR(dsunc, 0); 2426 UEA_ATTR(firmid, 0); 2427 2428 /* Retrieve the device End System Identifier (MAC) */ 2429 2430 static int uea_getesi(struct uea_softc *sc, u_char * esi) 2431 { 2432 unsigned char mac_str[2 * ETH_ALEN + 1]; 2433 int i; 2434 if (usb_string 2435 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str, 2436 sizeof(mac_str)) != 2 * ETH_ALEN) 2437 return 1; 2438 2439 for (i = 0; i < ETH_ALEN; i++) 2440 esi[i] = hex_to_bin(mac_str[2 * i]) * 16 + 2441 hex_to_bin(mac_str[2 * i + 1]); 2442 2443 return 0; 2444 } 2445 2446 /* ATM stuff */ 2447 static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev) 2448 { 2449 struct uea_softc *sc = usbatm->driver_data; 2450 2451 return uea_getesi(sc, atm_dev->esi); 2452 } 2453 2454 static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf) 2455 { 2456 struct uea_softc *sc = usbatm->driver_data; 2457 2458 wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc)); 2459 2460 return 0; 2461 2462 } 2463 2464 static int claim_interface(struct usb_device *usb_dev, 2465 struct usbatm_data *usbatm, int ifnum) 2466 { 2467 int ret; 2468 struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum); 2469 2470 if (!intf) { 2471 uea_err(usb_dev, "interface %d not found\n", ifnum); 2472 return -ENODEV; 2473 } 2474 2475 ret = usb_driver_claim_interface(&uea_driver, intf, usbatm); 2476 if (ret != 0) 2477 uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum, 2478 ret); 2479 return ret; 2480 } 2481 2482 static struct attribute *attrs[] = { 2483 &dev_attr_stat_status.attr, 2484 &dev_attr_stat_mflags.attr, 2485 &dev_attr_stat_human_status.attr, 2486 &dev_attr_stat_delin.attr, 2487 &dev_attr_stat_vidcpe.attr, 2488 &dev_attr_stat_usrate.attr, 2489 &dev_attr_stat_dsrate.attr, 2490 &dev_attr_stat_usattenuation.attr, 2491 &dev_attr_stat_dsattenuation.attr, 2492 &dev_attr_stat_usmargin.attr, 2493 &dev_attr_stat_dsmargin.attr, 2494 &dev_attr_stat_txflow.attr, 2495 &dev_attr_stat_rxflow.attr, 2496 &dev_attr_stat_uscorr.attr, 2497 &dev_attr_stat_dscorr.attr, 2498 &dev_attr_stat_usunc.attr, 2499 &dev_attr_stat_dsunc.attr, 2500 &dev_attr_stat_firmid.attr, 2501 NULL, 2502 }; 2503 static struct attribute_group attr_grp = { 2504 .attrs = attrs, 2505 }; 2506 2507 static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, 2508 const struct usb_device_id *id) 2509 { 2510 struct usb_device *usb = interface_to_usbdev(intf); 2511 struct uea_softc *sc; 2512 int ret, ifnum = intf->altsetting->desc.bInterfaceNumber; 2513 unsigned int alt; 2514 2515 uea_enters(usb); 2516 2517 /* interface 0 is for firmware/monitoring */ 2518 if (ifnum != UEA_INTR_IFACE_NO) 2519 return -ENODEV; 2520 2521 usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT); 2522 2523 /* interface 1 is for outbound traffic */ 2524 ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO); 2525 if (ret < 0) 2526 return ret; 2527 2528 /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */ 2529 if (UEA_CHIP_VERSION(id) != ADI930) { 2530 /* interface 2 is for inbound traffic */ 2531 ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO); 2532 if (ret < 0) 2533 return ret; 2534 } 2535 2536 sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL); 2537 if (!sc) { 2538 uea_err(usb, "uea_init: not enough memory !\n"); 2539 return -ENOMEM; 2540 } 2541 2542 sc->usb_dev = usb; 2543 usbatm->driver_data = sc; 2544 sc->usbatm = usbatm; 2545 sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0; 2546 sc->driver_info = id->driver_info; 2547 2548 /* first try to use module parameter */ 2549 if (annex[sc->modem_index] == 1) 2550 sc->annex = ANNEXA; 2551 else if (annex[sc->modem_index] == 2) 2552 sc->annex = ANNEXB; 2553 /* try to autodetect annex */ 2554 else if (sc->driver_info & AUTO_ANNEX_A) 2555 sc->annex = ANNEXA; 2556 else if (sc->driver_info & AUTO_ANNEX_B) 2557 sc->annex = ANNEXB; 2558 else 2559 sc->annex = (le16_to_cpu 2560 (sc->usb_dev->descriptor.bcdDevice) & 0x80) ? ANNEXB : ANNEXA; 2561 2562 alt = altsetting[sc->modem_index]; 2563 /* ADI930 don't support iso */ 2564 if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) { 2565 if (alt <= 8 && 2566 usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) { 2567 uea_dbg(usb, "set alternate %u for 2 interface\n", alt); 2568 uea_info(usb, "using iso mode\n"); 2569 usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ; 2570 } else { 2571 uea_err(usb, "setting alternate %u failed for " 2572 "2 interface, using bulk mode\n", alt); 2573 } 2574 } 2575 2576 ret = sysfs_create_group(&intf->dev.kobj, &attr_grp); 2577 if (ret < 0) 2578 goto error; 2579 2580 ret = uea_boot(sc); 2581 if (ret < 0) 2582 goto error_rm_grp; 2583 2584 return 0; 2585 2586 error_rm_grp: 2587 sysfs_remove_group(&intf->dev.kobj, &attr_grp); 2588 error: 2589 kfree(sc); 2590 return ret; 2591 } 2592 2593 static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) 2594 { 2595 struct uea_softc *sc = usbatm->driver_data; 2596 2597 sysfs_remove_group(&intf->dev.kobj, &attr_grp); 2598 uea_stop(sc); 2599 kfree(sc); 2600 } 2601 2602 static struct usbatm_driver uea_usbatm_driver = { 2603 .driver_name = "ueagle-atm", 2604 .bind = uea_bind, 2605 .atm_start = uea_atm_open, 2606 .unbind = uea_unbind, 2607 .heavy_init = uea_heavy, 2608 .bulk_in = UEA_BULK_DATA_PIPE, 2609 .bulk_out = UEA_BULK_DATA_PIPE, 2610 .isoc_in = UEA_ISO_DATA_PIPE, 2611 }; 2612 2613 static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id) 2614 { 2615 struct usb_device *usb = interface_to_usbdev(intf); 2616 int ret; 2617 2618 uea_enters(usb); 2619 uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n", 2620 le16_to_cpu(usb->descriptor.idVendor), 2621 le16_to_cpu(usb->descriptor.idProduct), 2622 le16_to_cpu(usb->descriptor.bcdDevice), 2623 chip_name[UEA_CHIP_VERSION(id)]); 2624 2625 usb_reset_device(usb); 2626 2627 if (UEA_IS_PREFIRM(id)) 2628 return uea_load_firmware(usb, UEA_CHIP_VERSION(id)); 2629 2630 ret = usbatm_usb_probe(intf, id, &uea_usbatm_driver); 2631 if (ret == 0) { 2632 struct usbatm_data *usbatm = usb_get_intfdata(intf); 2633 struct uea_softc *sc = usbatm->driver_data; 2634 2635 /* Ensure carrier is initialized to off as early as possible */ 2636 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); 2637 2638 /* Only start the worker thread when all init is done */ 2639 wake_up_process(sc->kthread); 2640 } 2641 2642 return ret; 2643 } 2644 2645 static void uea_disconnect(struct usb_interface *intf) 2646 { 2647 struct usb_device *usb = interface_to_usbdev(intf); 2648 int ifnum = intf->altsetting->desc.bInterfaceNumber; 2649 uea_enters(usb); 2650 2651 /* ADI930 has 2 interfaces and eagle 3 interfaces. 2652 * Pre-firmware device has one interface 2653 */ 2654 if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) { 2655 mutex_lock(&uea_mutex); 2656 usbatm_usb_disconnect(intf); 2657 mutex_unlock(&uea_mutex); 2658 uea_info(usb, "ADSL device removed\n"); 2659 } 2660 2661 uea_leaves(usb); 2662 } 2663 2664 /* 2665 * List of supported VID/PID 2666 */ 2667 static const struct usb_device_id uea_ids[] = { 2668 {USB_DEVICE(ANALOG_VID, ADI930_PID_PREFIRM), 2669 .driver_info = ADI930 | PREFIRM}, 2670 {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM), 2671 .driver_info = ADI930 | PSTFIRM}, 2672 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM), 2673 .driver_info = EAGLE_I | PREFIRM}, 2674 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM), 2675 .driver_info = EAGLE_I | PSTFIRM}, 2676 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM), 2677 .driver_info = EAGLE_II | PREFIRM}, 2678 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM), 2679 .driver_info = EAGLE_II | PSTFIRM}, 2680 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM), 2681 .driver_info = EAGLE_II | PREFIRM}, 2682 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM), 2683 .driver_info = EAGLE_II | PSTFIRM}, 2684 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM), 2685 .driver_info = EAGLE_III | PREFIRM}, 2686 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM), 2687 .driver_info = EAGLE_III | PSTFIRM}, 2688 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM), 2689 .driver_info = EAGLE_IV | PREFIRM}, 2690 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM), 2691 .driver_info = EAGLE_IV | PSTFIRM}, 2692 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PREFIRM), 2693 .driver_info = EAGLE_I | PREFIRM}, 2694 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PSTFIRM), 2695 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2696 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PREFIRM), 2697 .driver_info = EAGLE_I | PREFIRM}, 2698 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PSTFIRM), 2699 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2700 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PREFIRM), 2701 .driver_info = EAGLE_II | PREFIRM}, 2702 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PSTFIRM), 2703 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A}, 2704 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PREFIRM), 2705 .driver_info = EAGLE_II | PREFIRM}, 2706 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PSTFIRM), 2707 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B}, 2708 {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), 2709 .driver_info = ADI930 | PREFIRM}, 2710 {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), 2711 .driver_info = ADI930 | PSTFIRM}, 2712 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM), 2713 .driver_info = ADI930 | PREFIRM}, 2714 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM), 2715 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A}, 2716 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM), 2717 .driver_info = ADI930 | PREFIRM}, 2718 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM), 2719 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B}, 2720 {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), 2721 .driver_info = EAGLE_I | PREFIRM}, 2722 {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), 2723 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2724 {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), 2725 .driver_info = EAGLE_I | PREFIRM}, 2726 {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), 2727 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2728 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM), 2729 .driver_info = EAGLE_I | PREFIRM}, 2730 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM), 2731 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2732 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM), 2733 .driver_info = EAGLE_I | PREFIRM}, 2734 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM), 2735 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2736 {} 2737 }; 2738 2739 /* 2740 * USB driver descriptor 2741 */ 2742 static struct usb_driver uea_driver = { 2743 .name = "ueagle-atm", 2744 .id_table = uea_ids, 2745 .probe = uea_probe, 2746 .disconnect = uea_disconnect, 2747 }; 2748 2749 MODULE_DEVICE_TABLE(usb, uea_ids); 2750 2751 module_usb_driver(uea_driver); 2752 2753 MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); 2754 MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); 2755 MODULE_LICENSE("Dual BSD/GPL"); 2756