1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) 2 /*- 3 * Copyright (c) 2003, 2004 4 * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 5 * 6 * Copyright (c) 2005-2007 Matthieu Castet <castet.matthieu@free.fr> 7 * Copyright (c) 2005-2007 Stanislaw Gruszka <stf_xl@wp.pl> 8 * 9 * This software is available to you under a choice of one of two 10 * licenses. You may choose to be licensed under the terms of the GNU 11 * General Public License (GPL) Version 2, available from the file 12 * COPYING in the main directory of this source tree, or the 13 * BSD license below: 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice unmodified, this list of conditions, and the following 20 * disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * GPL license : 38 * This program is free software; you can redistribute it and/or 39 * modify it under the terms of the GNU General Public License 40 * as published by the Free Software Foundation; either version 2 41 * of the License, or (at your option) any later version. 42 * 43 * This program is distributed in the hope that it will be useful, 44 * but WITHOUT ANY WARRANTY; without even the implied warranty of 45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 46 * GNU General Public License for more details. 47 * 48 * You should have received a copy of the GNU General Public License 49 * along with this program; if not, write to the Free Software 50 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 51 * 52 * 53 * HISTORY : some part of the code was base on ueagle 1.3 BSD driver, 54 * Damien Bergamini agree to put his code under a DUAL GPL/BSD license. 55 * 56 * The rest of the code was was rewritten from scratch. 57 */ 58 59 #include <linux/module.h> 60 #include <linux/moduleparam.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 EAGLE_FIRMWARE FW_DIR "eagle.fw" 311 #define ADI930_FIRMWARE FW_DIR "adi930.fw" 312 #define EAGLE_I_FIRMWARE FW_DIR "eagleI.fw" 313 #define EAGLE_II_FIRMWARE FW_DIR "eagleII.fw" 314 #define EAGLE_III_FIRMWARE FW_DIR "eagleIII.fw" 315 #define EAGLE_IV_FIRMWARE FW_DIR "eagleIV.fw" 316 317 #define DSP4I_FIRMWARE FW_DIR "DSP4i.bin" 318 #define DSP4P_FIRMWARE FW_DIR "DSP4p.bin" 319 #define DSP9I_FIRMWARE FW_DIR "DSP9i.bin" 320 #define DSP9P_FIRMWARE FW_DIR "DSP9p.bin" 321 #define DSPEI_FIRMWARE FW_DIR "DSPei.bin" 322 #define DSPEP_FIRMWARE FW_DIR "DSPep.bin" 323 #define FPGA930_FIRMWARE FW_DIR "930-fpga.bin" 324 325 #define CMV4P_FIRMWARE FW_DIR "CMV4p.bin" 326 #define CMV4PV2_FIRMWARE FW_DIR "CMV4p.bin.v2" 327 #define CMV4I_FIRMWARE FW_DIR "CMV4i.bin" 328 #define CMV4IV2_FIRMWARE FW_DIR "CMV4i.bin.v2" 329 #define CMV9P_FIRMWARE FW_DIR "CMV9p.bin" 330 #define CMV9PV2_FIRMWARE FW_DIR "CMV9p.bin.v2" 331 #define CMV9I_FIRMWARE FW_DIR "CMV9i.bin" 332 #define CMV9IV2_FIRMWARE FW_DIR "CMV9i.bin.v2" 333 #define CMVEP_FIRMWARE FW_DIR "CMVep.bin" 334 #define CMVEPV2_FIRMWARE FW_DIR "CMVep.bin.v2" 335 #define CMVEI_FIRMWARE FW_DIR "CMVei.bin" 336 #define CMVEIV2_FIRMWARE FW_DIR "CMVei.bin.v2" 337 338 #define UEA_FW_NAME_MAX 30 339 #define NB_MODEM 4 340 341 #define BULK_TIMEOUT 300 342 #define CTRL_TIMEOUT 1000 343 344 #define ACK_TIMEOUT msecs_to_jiffies(3000) 345 346 #define UEA_INTR_IFACE_NO 0 347 #define UEA_US_IFACE_NO 1 348 #define UEA_DS_IFACE_NO 2 349 350 #define FASTEST_ISO_INTF 8 351 352 #define UEA_BULK_DATA_PIPE 0x02 353 #define UEA_IDMA_PIPE 0x04 354 #define UEA_INTR_PIPE 0x04 355 #define UEA_ISO_DATA_PIPE 0x08 356 357 #define UEA_E1_SET_BLOCK 0x0001 358 #define UEA_E4_SET_BLOCK 0x002c 359 #define UEA_SET_MODE 0x0003 360 #define UEA_SET_2183_DATA 0x0004 361 #define UEA_SET_TIMEOUT 0x0011 362 363 #define UEA_LOOPBACK_OFF 0x0002 364 #define UEA_LOOPBACK_ON 0x0003 365 #define UEA_BOOT_IDMA 0x0006 366 #define UEA_START_RESET 0x0007 367 #define UEA_END_RESET 0x0008 368 369 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000) 370 #define UEA_MPTX_START (0x3fce | 0x4000) 371 #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000) 372 #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000) 373 374 /* block information in eagle4 dsp firmware */ 375 struct block_index { 376 __le32 PageOffset; 377 __le32 NotLastBlock; 378 __le32 dummy; 379 __le32 PageSize; 380 __le32 PageAddress; 381 __le16 dummy1; 382 __le16 PageNumber; 383 } __packed; 384 385 #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000) 386 #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4) 387 388 #define E4_L1_STRING_HEADER 0x10 389 #define E4_MAX_PAGE_NUMBER 0x58 390 #define E4_NO_SWAPPAGE_HEADERS 0x31 391 392 /* l1_code is eagle4 dsp firmware format */ 393 struct l1_code { 394 u8 string_header[E4_L1_STRING_HEADER]; 395 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER]; 396 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS]; 397 u8 code[0]; 398 } __packed; 399 400 /* structures describing a block within a DSP page */ 401 struct block_info_e1 { 402 __le16 wHdr; 403 __le16 wAddress; 404 __le16 wSize; 405 __le16 wOvlOffset; 406 __le16 wOvl; /* overlay */ 407 __le16 wLast; 408 } __packed; 409 #define E1_BLOCK_INFO_SIZE 12 410 411 struct block_info_e4 { 412 __be16 wHdr; 413 __u8 bBootPage; 414 __u8 bPageNumber; 415 __be32 dwSize; 416 __be32 dwAddress; 417 __be16 wReserved; 418 } __packed; 419 #define E4_BLOCK_INFO_SIZE 14 420 421 #define UEA_BIHDR 0xabcd 422 #define UEA_RESERVED 0xffff 423 424 /* constants describing cmv type */ 425 #define E1_PREAMBLE 0x535c 426 #define E1_MODEMTOHOST 0x01 427 #define E1_HOSTTOMODEM 0x10 428 429 #define E1_MEMACCESS 0x1 430 #define E1_ADSLDIRECTIVE 0x7 431 #define E1_FUNCTION_TYPE(f) ((f) >> 4) 432 #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f) 433 434 #define E4_MEMACCESS 0 435 #define E4_ADSLDIRECTIVE 0xf 436 #define E4_FUNCTION_TYPE(f) ((f) >> 8) 437 #define E4_FUNCTION_SIZE(f) ((f) & 0x0f) 438 #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f) 439 440 /* for MEMACCESS */ 441 #define E1_REQUESTREAD 0x0 442 #define E1_REQUESTWRITE 0x1 443 #define E1_REPLYREAD 0x2 444 #define E1_REPLYWRITE 0x3 445 446 #define E4_REQUESTREAD 0x0 447 #define E4_REQUESTWRITE 0x4 448 #define E4_REPLYREAD (E4_REQUESTREAD | 1) 449 #define E4_REPLYWRITE (E4_REQUESTWRITE | 1) 450 451 /* for ADSLDIRECTIVE */ 452 #define E1_KERNELREADY 0x0 453 #define E1_MODEMREADY 0x1 454 455 #define E4_KERNELREADY 0x0 456 #define E4_MODEMREADY 0x1 457 458 #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf)) 459 #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | \ 460 ((st) & 0xf) << 4 | ((s) & 0xf)) 461 462 #define E1_MAKESA(a, b, c, d) \ 463 (((c) & 0xff) << 24 | \ 464 ((d) & 0xff) << 16 | \ 465 ((a) & 0xff) << 8 | \ 466 ((b) & 0xff)) 467 468 #define E1_GETSA1(a) ((a >> 8) & 0xff) 469 #define E1_GETSA2(a) (a & 0xff) 470 #define E1_GETSA3(a) ((a >> 24) & 0xff) 471 #define E1_GETSA4(a) ((a >> 16) & 0xff) 472 473 #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L') 474 #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G') 475 #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O') 476 #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N') 477 #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E') 478 #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T') 479 480 #define E4_SA_CNTL 1 481 #define E4_SA_STAT 2 482 #define E4_SA_INFO 3 483 #define E4_SA_TEST 4 484 #define E4_SA_OPTN 5 485 #define E4_SA_RATE 6 486 #define E4_SA_DIAG 7 487 #define E4_SA_CNFG 8 488 489 /* structures representing a CMV (Configuration and Management Variable) */ 490 struct cmv_e1 { 491 __le16 wPreamble; 492 __u8 bDirection; 493 __u8 bFunction; 494 __le16 wIndex; 495 __le32 dwSymbolicAddress; 496 __le16 wOffsetAddress; 497 __le32 dwData; 498 } __packed; 499 500 struct cmv_e4 { 501 __be16 wGroup; 502 __be16 wFunction; 503 __be16 wOffset; 504 __be16 wAddress; 505 __be32 dwData[6]; 506 } __packed; 507 508 /* structures representing swap information */ 509 struct swap_info_e1 { 510 __u8 bSwapPageNo; 511 __u8 bOvl; /* overlay */ 512 } __packed; 513 514 struct swap_info_e4 { 515 __u8 bSwapPageNo; 516 } __packed; 517 518 /* structures representing interrupt data */ 519 #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo 520 #define e1_bOvl u.e1.s1.swapinfo.bOvl 521 #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo 522 523 #define INT_LOADSWAPPAGE 0x0001 524 #define INT_INCOMINGCMV 0x0002 525 526 union intr_data_e1 { 527 struct { 528 struct swap_info_e1 swapinfo; 529 __le16 wDataSize; 530 } __packed s1; 531 struct { 532 struct cmv_e1 cmv; 533 __le16 wDataSize; 534 } __packed s2; 535 } __packed; 536 537 union intr_data_e4 { 538 struct { 539 struct swap_info_e4 swapinfo; 540 __le16 wDataSize; 541 } __packed s1; 542 struct { 543 struct cmv_e4 cmv; 544 __le16 wDataSize; 545 } __packed s2; 546 } __packed; 547 548 struct intr_pkt { 549 __u8 bType; 550 __u8 bNotification; 551 __le16 wValue; 552 __le16 wIndex; 553 __le16 wLength; 554 __le16 wInterrupt; 555 union { 556 union intr_data_e1 e1; 557 union intr_data_e4 e4; 558 } u; 559 } __packed; 560 561 #define E1_INTR_PKT_SIZE 28 562 #define E4_INTR_PKT_SIZE 64 563 564 static struct usb_driver uea_driver; 565 static DEFINE_MUTEX(uea_mutex); 566 static const char * const chip_name[] = { 567 "ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"}; 568 569 static int modem_index; 570 static unsigned int debug; 571 static unsigned int altsetting[NB_MODEM] = { 572 [0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF}; 573 static bool sync_wait[NB_MODEM]; 574 static char *cmv_file[NB_MODEM]; 575 static int annex[NB_MODEM]; 576 577 module_param(debug, uint, 0644); 578 MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)"); 579 module_param_array(altsetting, uint, NULL, 0644); 580 MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, " 581 "1=isoc slowest, ... , 8=isoc fastest (default)"); 582 module_param_array(sync_wait, bool, NULL, 0644); 583 MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM"); 584 module_param_array(cmv_file, charp, NULL, 0644); 585 MODULE_PARM_DESC(cmv_file, 586 "file name with configuration and management variables"); 587 module_param_array(annex, uint, NULL, 0644); 588 MODULE_PARM_DESC(annex, 589 "manually set annex a/b (0=auto, 1=annex a, 2=annex b)"); 590 591 #define uea_wait(sc, cond, timeo) \ 592 ({ \ 593 int _r = wait_event_interruptible_timeout(sc->sync_q, \ 594 (cond) || kthread_should_stop(), timeo); \ 595 if (kthread_should_stop()) \ 596 _r = -ENODEV; \ 597 _r; \ 598 }) 599 600 #define UPDATE_ATM_STAT(type, val) \ 601 do { \ 602 if (sc->usbatm->atm_dev) \ 603 sc->usbatm->atm_dev->type = val; \ 604 } while (0) 605 606 #define UPDATE_ATM_SIGNAL(val) \ 607 do { \ 608 if (sc->usbatm->atm_dev) \ 609 atm_dev_signal_change(sc->usbatm->atm_dev, val); \ 610 } while (0) 611 612 613 /* Firmware loading */ 614 #define LOAD_INTERNAL 0xA0 615 #define F8051_USBCS 0x7f92 616 617 /** 618 * uea_send_modem_cmd - Send a command for pre-firmware devices. 619 */ 620 static int uea_send_modem_cmd(struct usb_device *usb, 621 u16 addr, u16 size, const u8 *buff) 622 { 623 int ret = -ENOMEM; 624 u8 *xfer_buff; 625 626 xfer_buff = kmemdup(buff, size, GFP_KERNEL); 627 if (xfer_buff) { 628 ret = usb_control_msg(usb, 629 usb_sndctrlpipe(usb, 0), 630 LOAD_INTERNAL, 631 USB_DIR_OUT | USB_TYPE_VENDOR | 632 USB_RECIP_DEVICE, addr, 0, xfer_buff, 633 size, CTRL_TIMEOUT); 634 kfree(xfer_buff); 635 } 636 637 if (ret < 0) 638 return ret; 639 640 return (ret == size) ? 0 : -EIO; 641 } 642 643 static void uea_upload_pre_firmware(const struct firmware *fw_entry, 644 void *context) 645 { 646 struct usb_device *usb = context; 647 const u8 *pfw; 648 u8 value; 649 u32 crc = 0; 650 int ret, size; 651 652 uea_enters(usb); 653 if (!fw_entry) { 654 uea_err(usb, "firmware is not available\n"); 655 goto err; 656 } 657 658 pfw = fw_entry->data; 659 size = fw_entry->size; 660 if (size < 4) 661 goto err_fw_corrupted; 662 663 crc = get_unaligned_le32(pfw); 664 pfw += 4; 665 size -= 4; 666 if (crc32_be(0, pfw, size) != crc) 667 goto err_fw_corrupted; 668 669 /* 670 * Start to upload firmware : send reset 671 */ 672 value = 1; 673 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value); 674 675 if (ret < 0) { 676 uea_err(usb, "modem reset failed with error %d\n", ret); 677 goto err; 678 } 679 680 while (size > 3) { 681 u8 len = FW_GET_BYTE(pfw); 682 u16 add = get_unaligned_le16(pfw + 1); 683 684 size -= len + 3; 685 if (size < 0) 686 goto err_fw_corrupted; 687 688 ret = uea_send_modem_cmd(usb, add, len, pfw + 3); 689 if (ret < 0) { 690 uea_err(usb, "uploading firmware data failed " 691 "with error %d\n", ret); 692 goto err; 693 } 694 pfw += len + 3; 695 } 696 697 if (size != 0) 698 goto err_fw_corrupted; 699 700 /* 701 * Tell the modem we finish : de-assert reset 702 */ 703 value = 0; 704 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value); 705 if (ret < 0) 706 uea_err(usb, "modem de-assert failed with error %d\n", ret); 707 else 708 uea_info(usb, "firmware uploaded\n"); 709 710 goto err; 711 712 err_fw_corrupted: 713 uea_err(usb, "firmware is corrupted\n"); 714 err: 715 release_firmware(fw_entry); 716 uea_leaves(usb); 717 } 718 719 /** 720 * uea_load_firmware - Load usb firmware for pre-firmware devices. 721 */ 722 static int uea_load_firmware(struct usb_device *usb, unsigned int ver) 723 { 724 int ret; 725 char *fw_name = EAGLE_FIRMWARE; 726 727 uea_enters(usb); 728 uea_info(usb, "pre-firmware device, uploading firmware\n"); 729 730 switch (ver) { 731 case ADI930: 732 fw_name = ADI930_FIRMWARE; 733 break; 734 case EAGLE_I: 735 fw_name = EAGLE_I_FIRMWARE; 736 break; 737 case EAGLE_II: 738 fw_name = EAGLE_II_FIRMWARE; 739 break; 740 case EAGLE_III: 741 fw_name = EAGLE_III_FIRMWARE; 742 break; 743 case EAGLE_IV: 744 fw_name = EAGLE_IV_FIRMWARE; 745 break; 746 } 747 748 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, 749 GFP_KERNEL, usb, 750 uea_upload_pre_firmware); 751 if (ret) 752 uea_err(usb, "firmware %s is not available\n", fw_name); 753 else 754 uea_info(usb, "loading firmware %s\n", fw_name); 755 756 uea_leaves(usb); 757 return ret; 758 } 759 760 /* modem management : dsp firmware, send/read CMV, monitoring statistic 761 */ 762 763 /* 764 * Make sure that the DSP code provided is safe to use. 765 */ 766 static int check_dsp_e1(const u8 *dsp, unsigned int len) 767 { 768 u8 pagecount, blockcount; 769 u16 blocksize; 770 u32 pageoffset; 771 unsigned int i, j, p, pp; 772 773 pagecount = FW_GET_BYTE(dsp); 774 p = 1; 775 776 /* enough space for page offsets? */ 777 if (p + 4 * pagecount > len) 778 return 1; 779 780 for (i = 0; i < pagecount; i++) { 781 782 pageoffset = get_unaligned_le32(dsp + p); 783 p += 4; 784 785 if (pageoffset == 0) 786 continue; 787 788 /* enough space for blockcount? */ 789 if (pageoffset >= len) 790 return 1; 791 792 pp = pageoffset; 793 blockcount = FW_GET_BYTE(dsp + pp); 794 pp += 1; 795 796 for (j = 0; j < blockcount; j++) { 797 798 /* enough space for block header? */ 799 if (pp + 4 > len) 800 return 1; 801 802 pp += 2; /* skip blockaddr */ 803 blocksize = get_unaligned_le16(dsp + pp); 804 pp += 2; 805 806 /* enough space for block data? */ 807 if (pp + blocksize > len) 808 return 1; 809 810 pp += blocksize; 811 } 812 } 813 814 return 0; 815 } 816 817 static int check_dsp_e4(const u8 *dsp, int len) 818 { 819 int i; 820 struct l1_code *p = (struct l1_code *) dsp; 821 unsigned int sum = p->code - dsp; 822 823 if (len < sum) 824 return 1; 825 826 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 && 827 strcmp("STRATIPHY ANEXB", p->string_header) != 0) 828 return 1; 829 830 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) { 831 struct block_index *blockidx; 832 u8 blockno = p->page_number_to_block_index[i]; 833 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 834 continue; 835 836 do { 837 u64 l; 838 839 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 840 return 1; 841 842 blockidx = &p->page_header[blockno++]; 843 if ((u8 *)(blockidx + 1) - dsp >= len) 844 return 1; 845 846 if (le16_to_cpu(blockidx->PageNumber) != i) 847 return 1; 848 849 l = E4_PAGE_BYTES(blockidx->PageSize); 850 sum += l; 851 l += le32_to_cpu(blockidx->PageOffset); 852 if (l > len) 853 return 1; 854 855 /* zero is zero regardless endianes */ 856 } while (blockidx->NotLastBlock); 857 } 858 859 return (sum == len) ? 0 : 1; 860 } 861 862 /* 863 * send data to the idma pipe 864 * */ 865 static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size) 866 { 867 int ret = -ENOMEM; 868 u8 *xfer_buff; 869 int bytes_read; 870 871 xfer_buff = kmemdup(data, size, GFP_KERNEL); 872 if (!xfer_buff) { 873 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 874 return ret; 875 } 876 877 ret = usb_bulk_msg(sc->usb_dev, 878 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE), 879 xfer_buff, size, &bytes_read, BULK_TIMEOUT); 880 881 kfree(xfer_buff); 882 if (ret < 0) 883 return ret; 884 if (size != bytes_read) { 885 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size, 886 bytes_read); 887 return -EIO; 888 } 889 890 return 0; 891 } 892 893 static int request_dsp(struct uea_softc *sc) 894 { 895 int ret; 896 char *dsp_name; 897 898 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 899 if (IS_ISDN(sc)) 900 dsp_name = DSP4I_FIRMWARE; 901 else 902 dsp_name = DSP4P_FIRMWARE; 903 } else if (UEA_CHIP_VERSION(sc) == ADI930) { 904 if (IS_ISDN(sc)) 905 dsp_name = DSP9I_FIRMWARE; 906 else 907 dsp_name = DSP9P_FIRMWARE; 908 } else { 909 if (IS_ISDN(sc)) 910 dsp_name = DSPEI_FIRMWARE; 911 else 912 dsp_name = DSPEP_FIRMWARE; 913 } 914 915 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev); 916 if (ret < 0) { 917 uea_err(INS_TO_USBDEV(sc), 918 "requesting firmware %s failed with error %d\n", 919 dsp_name, ret); 920 return ret; 921 } 922 923 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 924 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size); 925 else 926 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size); 927 928 if (ret) { 929 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 930 dsp_name); 931 release_firmware(sc->dsp_firm); 932 sc->dsp_firm = NULL; 933 return -EILSEQ; 934 } 935 936 return 0; 937 } 938 939 /* 940 * The uea_load_page() function must be called within a process context 941 */ 942 static void uea_load_page_e1(struct work_struct *work) 943 { 944 struct uea_softc *sc = container_of(work, struct uea_softc, task); 945 u16 pageno = sc->pageno; 946 u16 ovl = sc->ovl; 947 struct block_info_e1 bi; 948 949 const u8 *p; 950 u8 pagecount, blockcount; 951 u16 blockaddr, blocksize; 952 u32 pageoffset; 953 int i; 954 955 /* reload firmware when reboot start and it's loaded already */ 956 if (ovl == 0 && pageno == 0) { 957 release_firmware(sc->dsp_firm); 958 sc->dsp_firm = NULL; 959 } 960 961 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 962 return; 963 964 p = sc->dsp_firm->data; 965 pagecount = FW_GET_BYTE(p); 966 p += 1; 967 968 if (pageno >= pagecount) 969 goto bad1; 970 971 p += 4 * pageno; 972 pageoffset = get_unaligned_le32(p); 973 974 if (pageoffset == 0) 975 goto bad1; 976 977 p = sc->dsp_firm->data + pageoffset; 978 blockcount = FW_GET_BYTE(p); 979 p += 1; 980 981 uea_dbg(INS_TO_USBDEV(sc), 982 "sending %u blocks for DSP page %u\n", blockcount, pageno); 983 984 bi.wHdr = cpu_to_le16(UEA_BIHDR); 985 bi.wOvl = cpu_to_le16(ovl); 986 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000); 987 988 for (i = 0; i < blockcount; i++) { 989 blockaddr = get_unaligned_le16(p); 990 p += 2; 991 992 blocksize = get_unaligned_le16(p); 993 p += 2; 994 995 bi.wSize = cpu_to_le16(blocksize); 996 bi.wAddress = cpu_to_le16(blockaddr); 997 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0); 998 999 /* send block info through the IDMA pipe */ 1000 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE)) 1001 goto bad2; 1002 1003 /* send block data through the IDMA pipe */ 1004 if (uea_idma_write(sc, p, blocksize)) 1005 goto bad2; 1006 1007 p += blocksize; 1008 } 1009 1010 return; 1011 1012 bad2: 1013 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i); 1014 return; 1015 bad1: 1016 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno); 1017 } 1018 1019 static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot) 1020 { 1021 struct block_info_e4 bi; 1022 struct block_index *blockidx; 1023 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data; 1024 u8 blockno = p->page_number_to_block_index[pageno]; 1025 1026 bi.wHdr = cpu_to_be16(UEA_BIHDR); 1027 bi.bBootPage = boot; 1028 bi.bPageNumber = pageno; 1029 bi.wReserved = cpu_to_be16(UEA_RESERVED); 1030 1031 do { 1032 const u8 *blockoffset; 1033 unsigned int blocksize; 1034 1035 blockidx = &p->page_header[blockno]; 1036 blocksize = E4_PAGE_BYTES(blockidx->PageSize); 1037 blockoffset = sc->dsp_firm->data + le32_to_cpu( 1038 blockidx->PageOffset); 1039 1040 bi.dwSize = cpu_to_be32(blocksize); 1041 bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress)); 1042 1043 uea_dbg(INS_TO_USBDEV(sc), 1044 "sending block %u for DSP page " 1045 "%u size %u address %x\n", 1046 blockno, pageno, blocksize, 1047 le32_to_cpu(blockidx->PageAddress)); 1048 1049 /* send block info through the IDMA pipe */ 1050 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1051 goto bad; 1052 1053 /* send block data through the IDMA pipe */ 1054 if (uea_idma_write(sc, blockoffset, blocksize)) 1055 goto bad; 1056 1057 blockno++; 1058 } while (blockidx->NotLastBlock); 1059 1060 return; 1061 1062 bad: 1063 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno); 1064 return; 1065 } 1066 1067 static void uea_load_page_e4(struct work_struct *work) 1068 { 1069 struct uea_softc *sc = container_of(work, struct uea_softc, task); 1070 u8 pageno = sc->pageno; 1071 int i; 1072 struct block_info_e4 bi; 1073 struct l1_code *p; 1074 1075 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno); 1076 1077 /* reload firmware when reboot start and it's loaded already */ 1078 if (pageno == 0) { 1079 release_firmware(sc->dsp_firm); 1080 sc->dsp_firm = NULL; 1081 } 1082 1083 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 1084 return; 1085 1086 p = (struct l1_code *) sc->dsp_firm->data; 1087 if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) { 1088 uea_err(INS_TO_USBDEV(sc), "invalid DSP " 1089 "page %u requested\n", pageno); 1090 return; 1091 } 1092 1093 if (pageno != 0) { 1094 __uea_load_page_e4(sc, pageno, 0); 1095 return; 1096 } 1097 1098 uea_dbg(INS_TO_USBDEV(sc), 1099 "sending Main DSP page %u\n", p->page_header[0].PageNumber); 1100 1101 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) { 1102 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize)) 1103 __uea_load_page_e4(sc, i, 1); 1104 } 1105 1106 uea_dbg(INS_TO_USBDEV(sc) , "sending start bi\n"); 1107 1108 bi.wHdr = cpu_to_be16(UEA_BIHDR); 1109 bi.bBootPage = 0; 1110 bi.bPageNumber = 0xff; 1111 bi.wReserved = cpu_to_be16(UEA_RESERVED); 1112 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize)); 1113 bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress)); 1114 1115 /* send block info through the IDMA pipe */ 1116 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1117 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n"); 1118 } 1119 1120 static inline void wake_up_cmv_ack(struct uea_softc *sc) 1121 { 1122 BUG_ON(sc->cmv_ack); 1123 sc->cmv_ack = 1; 1124 wake_up(&sc->sync_q); 1125 } 1126 1127 static inline int wait_cmv_ack(struct uea_softc *sc) 1128 { 1129 int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT); 1130 1131 sc->cmv_ack = 0; 1132 1133 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n", 1134 jiffies_to_msecs(ret)); 1135 1136 if (ret < 0) 1137 return ret; 1138 1139 return (ret == 0) ? -ETIMEDOUT : 0; 1140 } 1141 1142 #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00 1143 1144 static int uea_request(struct uea_softc *sc, 1145 u16 value, u16 index, u16 size, const void *data) 1146 { 1147 u8 *xfer_buff; 1148 int ret = -ENOMEM; 1149 1150 xfer_buff = kmemdup(data, size, GFP_KERNEL); 1151 if (!xfer_buff) { 1152 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 1153 return ret; 1154 } 1155 1156 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0), 1157 UCDC_SEND_ENCAPSULATED_COMMAND, 1158 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 1159 value, index, xfer_buff, size, CTRL_TIMEOUT); 1160 1161 kfree(xfer_buff); 1162 if (ret < 0) { 1163 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret); 1164 return ret; 1165 } 1166 1167 if (ret != size) { 1168 uea_err(INS_TO_USBDEV(sc), 1169 "usb_control_msg send only %d bytes (instead of %d)\n", 1170 ret, size); 1171 return -EIO; 1172 } 1173 1174 return 0; 1175 } 1176 1177 static int uea_cmv_e1(struct uea_softc *sc, 1178 u8 function, u32 address, u16 offset, u32 data) 1179 { 1180 struct cmv_e1 cmv; 1181 int ret; 1182 1183 uea_enters(INS_TO_USBDEV(sc)); 1184 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, " 1185 "offset : 0x%04x, data : 0x%08x\n", 1186 E1_FUNCTION_TYPE(function), 1187 E1_FUNCTION_SUBTYPE(function), 1188 E1_GETSA1(address), E1_GETSA2(address), 1189 E1_GETSA3(address), 1190 E1_GETSA4(address), offset, data); 1191 1192 /* we send a request, but we expect a reply */ 1193 sc->cmv_dsc.e1.function = function | 0x2; 1194 sc->cmv_dsc.e1.idx++; 1195 sc->cmv_dsc.e1.address = address; 1196 sc->cmv_dsc.e1.offset = offset; 1197 1198 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE); 1199 cmv.bDirection = E1_HOSTTOMODEM; 1200 cmv.bFunction = function; 1201 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx); 1202 put_unaligned_le32(address, &cmv.dwSymbolicAddress); 1203 cmv.wOffsetAddress = cpu_to_le16(offset); 1204 put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData); 1205 1206 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START, 1207 sizeof(cmv), &cmv); 1208 if (ret < 0) 1209 return ret; 1210 ret = wait_cmv_ack(sc); 1211 uea_leaves(INS_TO_USBDEV(sc)); 1212 return ret; 1213 } 1214 1215 static int uea_cmv_e4(struct uea_softc *sc, 1216 u16 function, u16 group, u16 address, u16 offset, u32 data) 1217 { 1218 struct cmv_e4 cmv; 1219 int ret; 1220 1221 uea_enters(INS_TO_USBDEV(sc)); 1222 memset(&cmv, 0, sizeof(cmv)); 1223 1224 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, " 1225 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n", 1226 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function), 1227 group, address, offset, data); 1228 1229 /* we send a request, but we expect a reply */ 1230 sc->cmv_dsc.e4.function = function | (0x1 << 4); 1231 sc->cmv_dsc.e4.offset = offset; 1232 sc->cmv_dsc.e4.address = address; 1233 sc->cmv_dsc.e4.group = group; 1234 1235 cmv.wFunction = cpu_to_be16(function); 1236 cmv.wGroup = cpu_to_be16(group); 1237 cmv.wAddress = cpu_to_be16(address); 1238 cmv.wOffset = cpu_to_be16(offset); 1239 cmv.dwData[0] = cpu_to_be32(data); 1240 1241 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START, 1242 sizeof(cmv), &cmv); 1243 if (ret < 0) 1244 return ret; 1245 ret = wait_cmv_ack(sc); 1246 uea_leaves(INS_TO_USBDEV(sc)); 1247 return ret; 1248 } 1249 1250 static inline int uea_read_cmv_e1(struct uea_softc *sc, 1251 u32 address, u16 offset, u32 *data) 1252 { 1253 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD), 1254 address, offset, 0); 1255 if (ret < 0) 1256 uea_err(INS_TO_USBDEV(sc), 1257 "reading cmv failed with error %d\n", ret); 1258 else 1259 *data = sc->data; 1260 1261 return ret; 1262 } 1263 1264 static inline int uea_read_cmv_e4(struct uea_softc *sc, 1265 u8 size, u16 group, u16 address, u16 offset, u32 *data) 1266 { 1267 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, 1268 E4_REQUESTREAD, size), 1269 group, address, offset, 0); 1270 if (ret < 0) 1271 uea_err(INS_TO_USBDEV(sc), 1272 "reading cmv failed with error %d\n", ret); 1273 else { 1274 *data = sc->data; 1275 /* size is in 16-bit word quantities */ 1276 if (size > 2) 1277 *(data + 1) = sc->data1; 1278 } 1279 return ret; 1280 } 1281 1282 static inline int uea_write_cmv_e1(struct uea_softc *sc, 1283 u32 address, u16 offset, u32 data) 1284 { 1285 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE), 1286 address, offset, data); 1287 if (ret < 0) 1288 uea_err(INS_TO_USBDEV(sc), 1289 "writing cmv failed with error %d\n", ret); 1290 1291 return ret; 1292 } 1293 1294 static inline int uea_write_cmv_e4(struct uea_softc *sc, 1295 u8 size, u16 group, u16 address, u16 offset, u32 data) 1296 { 1297 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, 1298 E4_REQUESTWRITE, size), 1299 group, address, offset, data); 1300 if (ret < 0) 1301 uea_err(INS_TO_USBDEV(sc), 1302 "writing cmv failed with error %d\n", ret); 1303 1304 return ret; 1305 } 1306 1307 static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate) 1308 { 1309 int ret; 1310 u16 timeout; 1311 1312 /* in bulk mode the modem have problem with high rate 1313 * changing internal timing could improve things, but the 1314 * value is mysterious. 1315 * ADI930 don't support it (-EPIPE error). 1316 */ 1317 1318 if (UEA_CHIP_VERSION(sc) == ADI930 || 1319 altsetting[sc->modem_index] > 0 || 1320 sc->stats.phy.dsrate == dsrate) 1321 return; 1322 1323 /* Original timming (1Mbit/s) from ADI (used in windows driver) */ 1324 timeout = (dsrate <= 1024*1024) ? 0 : 1; 1325 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL); 1326 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n", 1327 timeout, ret < 0 ? " failed" : ""); 1328 1329 } 1330 1331 /* 1332 * Monitor the modem and update the stat 1333 * return 0 if everything is ok 1334 * return < 0 if an error occurs (-EAGAIN reboot needed) 1335 */ 1336 static int uea_stat_e1(struct uea_softc *sc) 1337 { 1338 u32 data; 1339 int ret; 1340 1341 uea_enters(INS_TO_USBDEV(sc)); 1342 data = sc->stats.phy.state; 1343 1344 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state); 1345 if (ret < 0) 1346 return ret; 1347 1348 switch (GET_STATUS(sc->stats.phy.state)) { 1349 case 0: /* not yet synchronized */ 1350 uea_dbg(INS_TO_USBDEV(sc), 1351 "modem not yet synchronized\n"); 1352 return 0; 1353 1354 case 1: /* initialization */ 1355 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1356 return 0; 1357 1358 case 2: /* operational */ 1359 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n"); 1360 break; 1361 1362 case 3: /* fail ... */ 1363 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed" 1364 " (may be try other cmv/dsp)\n"); 1365 return -EAGAIN; 1366 1367 case 4 ... 6: /* test state */ 1368 uea_warn(INS_TO_USBDEV(sc), 1369 "modem in test mode - not supported\n"); 1370 return -EAGAIN; 1371 1372 case 7: /* fast-retain ... */ 1373 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n"); 1374 return 0; 1375 default: 1376 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n", 1377 GET_STATUS(sc->stats.phy.state)); 1378 return -EAGAIN; 1379 } 1380 1381 if (GET_STATUS(data) != 2) { 1382 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1383 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1384 1385 /* release the dsp firmware as it is not needed until 1386 * the next failure 1387 */ 1388 release_firmware(sc->dsp_firm); 1389 sc->dsp_firm = NULL; 1390 } 1391 1392 /* always update it as atm layer could not be init when we switch to 1393 * operational state 1394 */ 1395 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); 1396 1397 /* wake up processes waiting for synchronization */ 1398 wake_up(&sc->sync_q); 1399 1400 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags); 1401 if (ret < 0) 1402 return ret; 1403 sc->stats.phy.mflags |= sc->stats.phy.flags; 1404 1405 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1406 * we check the status again in order to detect the failure earlier 1407 */ 1408 if (sc->stats.phy.flags) { 1409 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1410 sc->stats.phy.flags); 1411 return 0; 1412 } 1413 1414 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data); 1415 if (ret < 0) 1416 return ret; 1417 1418 uea_set_bulk_timeout(sc, (data >> 16) * 32); 1419 sc->stats.phy.dsrate = (data >> 16) * 32; 1420 sc->stats.phy.usrate = (data & 0xffff) * 32; 1421 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1422 1423 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data); 1424 if (ret < 0) 1425 return ret; 1426 sc->stats.phy.dsattenuation = (data & 0xff) / 2; 1427 1428 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data); 1429 if (ret < 0) 1430 return ret; 1431 sc->stats.phy.usattenuation = (data & 0xff) / 2; 1432 1433 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin); 1434 if (ret < 0) 1435 return ret; 1436 1437 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin); 1438 if (ret < 0) 1439 return ret; 1440 1441 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow); 1442 if (ret < 0) 1443 return ret; 1444 1445 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow); 1446 if (ret < 0) 1447 return ret; 1448 1449 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc); 1450 if (ret < 0) 1451 return ret; 1452 1453 /* only for atu-c */ 1454 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc); 1455 if (ret < 0) 1456 return ret; 1457 1458 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr); 1459 if (ret < 0) 1460 return ret; 1461 1462 /* only for atu-c */ 1463 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr); 1464 if (ret < 0) 1465 return ret; 1466 1467 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco); 1468 if (ret < 0) 1469 return ret; 1470 1471 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe); 1472 if (ret < 0) 1473 return ret; 1474 1475 return 0; 1476 } 1477 1478 static int uea_stat_e4(struct uea_softc *sc) 1479 { 1480 u32 data; 1481 u32 tmp_arr[2]; 1482 int ret; 1483 1484 uea_enters(INS_TO_USBDEV(sc)); 1485 data = sc->stats.phy.state; 1486 1487 /* XXX only need to be done before operationnal... */ 1488 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state); 1489 if (ret < 0) 1490 return ret; 1491 1492 switch (sc->stats.phy.state) { 1493 case 0x0: /* not yet synchronized */ 1494 case 0x1: 1495 case 0x3: 1496 case 0x4: 1497 uea_dbg(INS_TO_USBDEV(sc), "modem not yet " 1498 "synchronized\n"); 1499 return 0; 1500 case 0x5: /* initialization */ 1501 case 0x6: 1502 case 0x9: 1503 case 0xa: 1504 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1505 return 0; 1506 case 0x2: /* fail ... */ 1507 uea_info(INS_TO_USBDEV(sc), "modem synchronization " 1508 "failed (may be try other cmv/dsp)\n"); 1509 return -EAGAIN; 1510 case 0x7: /* operational */ 1511 break; 1512 default: 1513 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n", 1514 sc->stats.phy.state); 1515 return 0; 1516 } 1517 1518 if (data != 7) { 1519 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1520 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1521 1522 /* release the dsp firmware as it is not needed until 1523 * the next failure 1524 */ 1525 release_firmware(sc->dsp_firm); 1526 sc->dsp_firm = NULL; 1527 } 1528 1529 /* always update it as atm layer could not be init when we switch to 1530 * operational state 1531 */ 1532 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); 1533 1534 /* wake up processes waiting for synchronization */ 1535 wake_up(&sc->sync_q); 1536 1537 /* TODO improve this state machine : 1538 * we need some CMV info : what they do and their unit 1539 * we should find the equivalent of eagle3- CMV 1540 */ 1541 /* check flags */ 1542 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags); 1543 if (ret < 0) 1544 return ret; 1545 sc->stats.phy.mflags |= sc->stats.phy.flags; 1546 1547 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1548 * we check the status again in order to detect the failure earlier 1549 */ 1550 if (sc->stats.phy.flags) { 1551 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1552 sc->stats.phy.flags); 1553 if (sc->stats.phy.flags & 1) /* delineation LOSS */ 1554 return -EAGAIN; 1555 if (sc->stats.phy.flags & 0x4000) /* Reset Flag */ 1556 return -EAGAIN; 1557 return 0; 1558 } 1559 1560 /* rate data may be in upper or lower half of 64 bit word, strange */ 1561 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr); 1562 if (ret < 0) 1563 return ret; 1564 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1565 sc->stats.phy.usrate = data / 1000; 1566 1567 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr); 1568 if (ret < 0) 1569 return ret; 1570 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1571 uea_set_bulk_timeout(sc, data / 1000); 1572 sc->stats.phy.dsrate = data / 1000; 1573 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1574 1575 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data); 1576 if (ret < 0) 1577 return ret; 1578 sc->stats.phy.dsattenuation = data / 10; 1579 1580 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data); 1581 if (ret < 0) 1582 return ret; 1583 sc->stats.phy.usattenuation = data / 10; 1584 1585 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data); 1586 if (ret < 0) 1587 return ret; 1588 sc->stats.phy.dsmargin = data / 2; 1589 1590 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data); 1591 if (ret < 0) 1592 return ret; 1593 sc->stats.phy.usmargin = data / 10; 1594 1595 return 0; 1596 } 1597 1598 static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver) 1599 { 1600 char file_arr[] = "CMVxy.bin"; 1601 char *file; 1602 1603 kernel_param_lock(THIS_MODULE); 1604 /* set proper name corresponding modem version and line type */ 1605 if (cmv_file[sc->modem_index] == NULL) { 1606 if (UEA_CHIP_VERSION(sc) == ADI930) 1607 file_arr[3] = '9'; 1608 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1609 file_arr[3] = '4'; 1610 else 1611 file_arr[3] = 'e'; 1612 1613 file_arr[4] = IS_ISDN(sc) ? 'i' : 'p'; 1614 file = file_arr; 1615 } else 1616 file = cmv_file[sc->modem_index]; 1617 1618 strcpy(cmv_name, FW_DIR); 1619 strlcat(cmv_name, file, UEA_FW_NAME_MAX); 1620 if (ver == 2) 1621 strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX); 1622 kernel_param_unlock(THIS_MODULE); 1623 } 1624 1625 static int request_cmvs_old(struct uea_softc *sc, 1626 void **cmvs, const struct firmware **fw) 1627 { 1628 int ret, size; 1629 u8 *data; 1630 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1631 1632 cmvs_file_name(sc, cmv_name, 1); 1633 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1634 if (ret < 0) { 1635 uea_err(INS_TO_USBDEV(sc), 1636 "requesting firmware %s failed with error %d\n", 1637 cmv_name, ret); 1638 return ret; 1639 } 1640 1641 data = (u8 *) (*fw)->data; 1642 size = (*fw)->size; 1643 if (size < 1) 1644 goto err_fw_corrupted; 1645 1646 if (size != *data * sizeof(struct uea_cmvs_v1) + 1) 1647 goto err_fw_corrupted; 1648 1649 *cmvs = (void *)(data + 1); 1650 return *data; 1651 1652 err_fw_corrupted: 1653 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1654 release_firmware(*fw); 1655 return -EILSEQ; 1656 } 1657 1658 static int request_cmvs(struct uea_softc *sc, 1659 void **cmvs, const struct firmware **fw, int *ver) 1660 { 1661 int ret, size; 1662 u32 crc; 1663 u8 *data; 1664 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1665 1666 cmvs_file_name(sc, cmv_name, 2); 1667 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1668 if (ret < 0) { 1669 /* if caller can handle old version, try to provide it */ 1670 if (*ver == 1) { 1671 uea_warn(INS_TO_USBDEV(sc), "requesting " 1672 "firmware %s failed, " 1673 "try to get older cmvs\n", cmv_name); 1674 return request_cmvs_old(sc, cmvs, fw); 1675 } 1676 uea_err(INS_TO_USBDEV(sc), 1677 "requesting firmware %s failed with error %d\n", 1678 cmv_name, ret); 1679 return ret; 1680 } 1681 1682 size = (*fw)->size; 1683 data = (u8 *) (*fw)->data; 1684 if (size < 4 || strncmp(data, "cmv2", 4) != 0) { 1685 if (*ver == 1) { 1686 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted," 1687 " try to get older cmvs\n", cmv_name); 1688 release_firmware(*fw); 1689 return request_cmvs_old(sc, cmvs, fw); 1690 } 1691 goto err_fw_corrupted; 1692 } 1693 1694 *ver = 2; 1695 1696 data += 4; 1697 size -= 4; 1698 if (size < 5) 1699 goto err_fw_corrupted; 1700 1701 crc = get_unaligned_le32(data); 1702 data += 4; 1703 size -= 4; 1704 if (crc32_be(0, data, size) != crc) 1705 goto err_fw_corrupted; 1706 1707 if (size != *data * sizeof(struct uea_cmvs_v2) + 1) 1708 goto err_fw_corrupted; 1709 1710 *cmvs = (void *) (data + 1); 1711 return *data; 1712 1713 err_fw_corrupted: 1714 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1715 release_firmware(*fw); 1716 return -EILSEQ; 1717 } 1718 1719 static int uea_send_cmvs_e1(struct uea_softc *sc) 1720 { 1721 int i, ret, len; 1722 void *cmvs_ptr; 1723 const struct firmware *cmvs_fw; 1724 int ver = 1; /* we can handle v1 cmv firmware version; */ 1725 1726 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1727 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1); 1728 if (ret < 0) 1729 return ret; 1730 1731 /* Dump firmware version */ 1732 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid); 1733 if (ret < 0) 1734 return ret; 1735 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1736 sc->stats.phy.firmid); 1737 1738 /* get options */ 1739 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1740 if (ret < 0) 1741 return ret; 1742 1743 /* send options */ 1744 if (ver == 1) { 1745 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr; 1746 1747 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, " 1748 "please update your firmware\n"); 1749 1750 for (i = 0; i < len; i++) { 1751 ret = uea_write_cmv_e1(sc, 1752 get_unaligned_le32(&cmvs_v1[i].address), 1753 get_unaligned_le16(&cmvs_v1[i].offset), 1754 get_unaligned_le32(&cmvs_v1[i].data)); 1755 if (ret < 0) 1756 goto out; 1757 } 1758 } else if (ver == 2) { 1759 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1760 1761 for (i = 0; i < len; i++) { 1762 ret = uea_write_cmv_e1(sc, 1763 get_unaligned_le32(&cmvs_v2[i].address), 1764 (u16) 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 really 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_e1(sc, E1_SA_CNTL, 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 " 1779 "synchronization...\n"); 1780 out: 1781 release_firmware(cmvs_fw); 1782 return ret; 1783 } 1784 1785 static int uea_send_cmvs_e4(struct uea_softc *sc) 1786 { 1787 int i, ret, len; 1788 void *cmvs_ptr; 1789 const struct firmware *cmvs_fw; 1790 int ver = 2; /* we can only handle v2 cmv firmware version; */ 1791 1792 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1793 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1); 1794 if (ret < 0) 1795 return ret; 1796 1797 /* Dump firmware version */ 1798 /* XXX don't read the 3th byte as it is always 6 */ 1799 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid); 1800 if (ret < 0) 1801 return ret; 1802 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1803 sc->stats.phy.firmid); 1804 1805 1806 /* get options */ 1807 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1808 if (ret < 0) 1809 return ret; 1810 1811 /* send options */ 1812 if (ver == 2) { 1813 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1814 1815 for (i = 0; i < len; i++) { 1816 ret = uea_write_cmv_e4(sc, 1, 1817 get_unaligned_le32(&cmvs_v2[i].group), 1818 get_unaligned_le32(&cmvs_v2[i].address), 1819 get_unaligned_le32(&cmvs_v2[i].offset), 1820 get_unaligned_le32(&cmvs_v2[i].data)); 1821 if (ret < 0) 1822 goto out; 1823 } 1824 } else { 1825 /* This really should not happen */ 1826 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1827 goto out; 1828 } 1829 1830 /* Enter in R-ACT-REQ */ 1831 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2); 1832 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1833 uea_info(INS_TO_USBDEV(sc), "modem started, waiting " 1834 "synchronization...\n"); 1835 out: 1836 release_firmware(cmvs_fw); 1837 return ret; 1838 } 1839 1840 /* Start boot post firmware modem: 1841 * - send reset commands through usb control pipe 1842 * - start workqueue for DSP loading 1843 * - send CMV options to modem 1844 */ 1845 1846 static int uea_start_reset(struct uea_softc *sc) 1847 { 1848 u16 zero = 0; /* ;-) */ 1849 int ret; 1850 1851 uea_enters(INS_TO_USBDEV(sc)); 1852 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n"); 1853 1854 /* mask interrupt */ 1855 sc->booting = 1; 1856 /* We need to set this here because, a ack timeout could have occurred, 1857 * but before we start the reboot, the ack occurs and set this to 1. 1858 * So we will failed to wait Ready CMV. 1859 */ 1860 sc->cmv_ack = 0; 1861 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); 1862 1863 /* reset statistics */ 1864 memset(&sc->stats, 0, sizeof(struct uea_stats)); 1865 1866 /* tell the modem that we want to boot in IDMA mode */ 1867 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 1868 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL); 1869 1870 /* enter reset mode */ 1871 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL); 1872 1873 /* original driver use 200ms, but windows driver use 100ms */ 1874 ret = uea_wait(sc, 0, msecs_to_jiffies(100)); 1875 if (ret < 0) 1876 return ret; 1877 1878 /* leave reset mode */ 1879 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL); 1880 1881 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) { 1882 /* clear tx and rx mailboxes */ 1883 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero); 1884 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero); 1885 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero); 1886 } 1887 1888 ret = uea_wait(sc, 0, msecs_to_jiffies(1000)); 1889 if (ret < 0) 1890 return ret; 1891 1892 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1893 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, 1894 E4_MODEMREADY, 1); 1895 else 1896 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, 1897 E1_MODEMREADY); 1898 1899 /* demask interrupt */ 1900 sc->booting = 0; 1901 1902 /* start loading DSP */ 1903 sc->pageno = 0; 1904 sc->ovl = 0; 1905 schedule_work(&sc->task); 1906 1907 /* wait for modem ready CMV */ 1908 ret = wait_cmv_ack(sc); 1909 if (ret < 0) 1910 return ret; 1911 1912 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n"); 1913 1914 ret = sc->send_cmvs(sc); 1915 if (ret < 0) 1916 return ret; 1917 1918 sc->reset = 0; 1919 uea_leaves(INS_TO_USBDEV(sc)); 1920 return ret; 1921 } 1922 1923 /* 1924 * In case of an error wait 1s before rebooting the modem 1925 * if the modem don't request reboot (-EAGAIN). 1926 * Monitor the modem every 1s. 1927 */ 1928 1929 static int uea_kthread(void *data) 1930 { 1931 struct uea_softc *sc = data; 1932 int ret = -EAGAIN; 1933 1934 set_freezable(); 1935 uea_enters(INS_TO_USBDEV(sc)); 1936 while (!kthread_should_stop()) { 1937 if (ret < 0 || sc->reset) 1938 ret = uea_start_reset(sc); 1939 if (!ret) 1940 ret = sc->stat(sc); 1941 if (ret != -EAGAIN) 1942 uea_wait(sc, 0, msecs_to_jiffies(1000)); 1943 try_to_freeze(); 1944 } 1945 uea_leaves(INS_TO_USBDEV(sc)); 1946 return ret; 1947 } 1948 1949 /* Load second usb firmware for ADI930 chip */ 1950 static int load_XILINX_firmware(struct uea_softc *sc) 1951 { 1952 const struct firmware *fw_entry; 1953 int ret, size, u, ln; 1954 const u8 *pfw; 1955 u8 value; 1956 char *fw_name = FPGA930_FIRMWARE; 1957 1958 uea_enters(INS_TO_USBDEV(sc)); 1959 1960 ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev); 1961 if (ret) { 1962 uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n", 1963 fw_name); 1964 goto err0; 1965 } 1966 1967 pfw = fw_entry->data; 1968 size = fw_entry->size; 1969 if (size != 0x577B) { 1970 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 1971 fw_name); 1972 ret = -EILSEQ; 1973 goto err1; 1974 } 1975 for (u = 0; u < size; u += ln) { 1976 ln = min(size - u, 64); 1977 ret = uea_request(sc, 0xe, 0, ln, pfw + u); 1978 if (ret < 0) { 1979 uea_err(INS_TO_USBDEV(sc), 1980 "elsa download data failed (%d)\n", ret); 1981 goto err1; 1982 } 1983 } 1984 1985 /* finish to send the fpga */ 1986 ret = uea_request(sc, 0xe, 1, 0, NULL); 1987 if (ret < 0) { 1988 uea_err(INS_TO_USBDEV(sc), 1989 "elsa download data failed (%d)\n", ret); 1990 goto err1; 1991 } 1992 1993 /* Tell the modem we finish : de-assert reset */ 1994 value = 0; 1995 ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value); 1996 if (ret < 0) 1997 uea_err(sc->usb_dev, "elsa de-assert failed with error" 1998 " %d\n", ret); 1999 2000 err1: 2001 release_firmware(fw_entry); 2002 err0: 2003 uea_leaves(INS_TO_USBDEV(sc)); 2004 return ret; 2005 } 2006 2007 /* The modem send us an ack. First with check if it right */ 2008 static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr) 2009 { 2010 struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1; 2011 struct cmv_e1 *cmv = &intr->u.e1.s2.cmv; 2012 2013 uea_enters(INS_TO_USBDEV(sc)); 2014 if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE) 2015 goto bad1; 2016 2017 if (cmv->bDirection != E1_MODEMTOHOST) 2018 goto bad1; 2019 2020 /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to 2021 * the first MEMACCESS cmv. Ignore it... 2022 */ 2023 if (cmv->bFunction != dsc->function) { 2024 if (UEA_CHIP_VERSION(sc) == ADI930 2025 && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) { 2026 cmv->wIndex = cpu_to_le16(dsc->idx); 2027 put_unaligned_le32(dsc->address, 2028 &cmv->dwSymbolicAddress); 2029 cmv->wOffsetAddress = cpu_to_le16(dsc->offset); 2030 } else 2031 goto bad2; 2032 } 2033 2034 if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, 2035 E1_MODEMREADY)) { 2036 wake_up_cmv_ack(sc); 2037 uea_leaves(INS_TO_USBDEV(sc)); 2038 return; 2039 } 2040 2041 /* in case of MEMACCESS */ 2042 if (le16_to_cpu(cmv->wIndex) != dsc->idx || 2043 get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address || 2044 le16_to_cpu(cmv->wOffsetAddress) != dsc->offset) 2045 goto bad2; 2046 2047 sc->data = get_unaligned_le32(&cmv->dwData); 2048 sc->data = sc->data << 16 | sc->data >> 16; 2049 2050 wake_up_cmv_ack(sc); 2051 uea_leaves(INS_TO_USBDEV(sc)); 2052 return; 2053 2054 bad2: 2055 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2056 "Function : %d, Subfunction : %d\n", 2057 E1_FUNCTION_TYPE(cmv->bFunction), 2058 E1_FUNCTION_SUBTYPE(cmv->bFunction)); 2059 uea_leaves(INS_TO_USBDEV(sc)); 2060 return; 2061 2062 bad1: 2063 uea_err(INS_TO_USBDEV(sc), "invalid cmv received, " 2064 "wPreamble %d, bDirection %d\n", 2065 le16_to_cpu(cmv->wPreamble), cmv->bDirection); 2066 uea_leaves(INS_TO_USBDEV(sc)); 2067 } 2068 2069 /* The modem send us an ack. First with check if it right */ 2070 static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr) 2071 { 2072 struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4; 2073 struct cmv_e4 *cmv = &intr->u.e4.s2.cmv; 2074 2075 uea_enters(INS_TO_USBDEV(sc)); 2076 uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n", 2077 be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction), 2078 be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress), 2079 be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1])); 2080 2081 if (be16_to_cpu(cmv->wFunction) != dsc->function) 2082 goto bad2; 2083 2084 if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, 2085 E4_MODEMREADY, 1)) { 2086 wake_up_cmv_ack(sc); 2087 uea_leaves(INS_TO_USBDEV(sc)); 2088 return; 2089 } 2090 2091 /* in case of MEMACCESS */ 2092 if (be16_to_cpu(cmv->wOffset) != dsc->offset || 2093 be16_to_cpu(cmv->wGroup) != dsc->group || 2094 be16_to_cpu(cmv->wAddress) != dsc->address) 2095 goto bad2; 2096 2097 sc->data = be32_to_cpu(cmv->dwData[0]); 2098 sc->data1 = be32_to_cpu(cmv->dwData[1]); 2099 wake_up_cmv_ack(sc); 2100 uea_leaves(INS_TO_USBDEV(sc)); 2101 return; 2102 2103 bad2: 2104 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2105 "Function : %d, Subfunction : %d\n", 2106 E4_FUNCTION_TYPE(cmv->wFunction), 2107 E4_FUNCTION_SUBTYPE(cmv->wFunction)); 2108 uea_leaves(INS_TO_USBDEV(sc)); 2109 return; 2110 } 2111 2112 static void uea_schedule_load_page_e1(struct uea_softc *sc, 2113 struct intr_pkt *intr) 2114 { 2115 sc->pageno = intr->e1_bSwapPageNo; 2116 sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4; 2117 schedule_work(&sc->task); 2118 } 2119 2120 static void uea_schedule_load_page_e4(struct uea_softc *sc, 2121 struct intr_pkt *intr) 2122 { 2123 sc->pageno = intr->e4_bSwapPageNo; 2124 schedule_work(&sc->task); 2125 } 2126 2127 /* 2128 * interrupt handler 2129 */ 2130 static void uea_intr(struct urb *urb) 2131 { 2132 struct uea_softc *sc = urb->context; 2133 struct intr_pkt *intr = urb->transfer_buffer; 2134 int status = urb->status; 2135 2136 uea_enters(INS_TO_USBDEV(sc)); 2137 2138 if (unlikely(status < 0)) { 2139 uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n", 2140 status); 2141 return; 2142 } 2143 2144 /* device-to-host interrupt */ 2145 if (intr->bType != 0x08 || sc->booting) { 2146 uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n"); 2147 goto resubmit; 2148 } 2149 2150 switch (le16_to_cpu(intr->wInterrupt)) { 2151 case INT_LOADSWAPPAGE: 2152 sc->schedule_load_page(sc, intr); 2153 break; 2154 2155 case INT_INCOMINGCMV: 2156 sc->dispatch_cmv(sc, intr); 2157 break; 2158 2159 default: 2160 uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n", 2161 le16_to_cpu(intr->wInterrupt)); 2162 } 2163 2164 resubmit: 2165 usb_submit_urb(sc->urb_int, GFP_ATOMIC); 2166 } 2167 2168 /* 2169 * Start the modem : init the data and start kernel thread 2170 */ 2171 static int uea_boot(struct uea_softc *sc) 2172 { 2173 int ret, size; 2174 struct intr_pkt *intr; 2175 2176 uea_enters(INS_TO_USBDEV(sc)); 2177 2178 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2179 size = E4_INTR_PKT_SIZE; 2180 sc->dispatch_cmv = uea_dispatch_cmv_e4; 2181 sc->schedule_load_page = uea_schedule_load_page_e4; 2182 sc->stat = uea_stat_e4; 2183 sc->send_cmvs = uea_send_cmvs_e4; 2184 INIT_WORK(&sc->task, uea_load_page_e4); 2185 } else { 2186 size = E1_INTR_PKT_SIZE; 2187 sc->dispatch_cmv = uea_dispatch_cmv_e1; 2188 sc->schedule_load_page = uea_schedule_load_page_e1; 2189 sc->stat = uea_stat_e1; 2190 sc->send_cmvs = uea_send_cmvs_e1; 2191 INIT_WORK(&sc->task, uea_load_page_e1); 2192 } 2193 2194 init_waitqueue_head(&sc->sync_q); 2195 2196 if (UEA_CHIP_VERSION(sc) == ADI930) 2197 load_XILINX_firmware(sc); 2198 2199 intr = kmalloc(size, GFP_KERNEL); 2200 if (!intr) 2201 goto err0; 2202 2203 sc->urb_int = usb_alloc_urb(0, GFP_KERNEL); 2204 if (!sc->urb_int) 2205 goto err1; 2206 2207 usb_fill_int_urb(sc->urb_int, sc->usb_dev, 2208 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE), 2209 intr, size, uea_intr, sc, 2210 sc->usb_dev->actconfig->interface[0]->altsetting[0]. 2211 endpoint[0].desc.bInterval); 2212 2213 ret = usb_submit_urb(sc->urb_int, GFP_KERNEL); 2214 if (ret < 0) { 2215 uea_err(INS_TO_USBDEV(sc), 2216 "urb submission failed with error %d\n", ret); 2217 goto err1; 2218 } 2219 2220 /* Create worker thread, but don't start it here. Start it after 2221 * all usbatm generic initialization is done. 2222 */ 2223 sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm"); 2224 if (IS_ERR(sc->kthread)) { 2225 uea_err(INS_TO_USBDEV(sc), "failed to create thread\n"); 2226 goto err2; 2227 } 2228 2229 uea_leaves(INS_TO_USBDEV(sc)); 2230 return 0; 2231 2232 err2: 2233 usb_kill_urb(sc->urb_int); 2234 err1: 2235 usb_free_urb(sc->urb_int); 2236 sc->urb_int = NULL; 2237 kfree(intr); 2238 err0: 2239 uea_leaves(INS_TO_USBDEV(sc)); 2240 return -ENOMEM; 2241 } 2242 2243 /* 2244 * Stop the modem : kill kernel thread and free data 2245 */ 2246 static void uea_stop(struct uea_softc *sc) 2247 { 2248 int ret; 2249 uea_enters(INS_TO_USBDEV(sc)); 2250 ret = kthread_stop(sc->kthread); 2251 uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret); 2252 2253 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 2254 2255 usb_kill_urb(sc->urb_int); 2256 kfree(sc->urb_int->transfer_buffer); 2257 usb_free_urb(sc->urb_int); 2258 2259 /* flush the work item, when no one can schedule it */ 2260 flush_work(&sc->task); 2261 2262 release_firmware(sc->dsp_firm); 2263 uea_leaves(INS_TO_USBDEV(sc)); 2264 } 2265 2266 /* syfs interface */ 2267 static struct uea_softc *dev_to_uea(struct device *dev) 2268 { 2269 struct usb_interface *intf; 2270 struct usbatm_data *usbatm; 2271 2272 intf = to_usb_interface(dev); 2273 if (!intf) 2274 return NULL; 2275 2276 usbatm = usb_get_intfdata(intf); 2277 if (!usbatm) 2278 return NULL; 2279 2280 return usbatm->driver_data; 2281 } 2282 2283 static ssize_t stat_status_show(struct device *dev, struct device_attribute *attr, 2284 char *buf) 2285 { 2286 int ret = -ENODEV; 2287 struct uea_softc *sc; 2288 2289 mutex_lock(&uea_mutex); 2290 sc = dev_to_uea(dev); 2291 if (!sc) 2292 goto out; 2293 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state); 2294 out: 2295 mutex_unlock(&uea_mutex); 2296 return ret; 2297 } 2298 2299 static ssize_t stat_status_store(struct device *dev, struct device_attribute *attr, 2300 const char *buf, size_t count) 2301 { 2302 int ret = -ENODEV; 2303 struct uea_softc *sc; 2304 2305 mutex_lock(&uea_mutex); 2306 sc = dev_to_uea(dev); 2307 if (!sc) 2308 goto out; 2309 sc->reset = 1; 2310 ret = count; 2311 out: 2312 mutex_unlock(&uea_mutex); 2313 return ret; 2314 } 2315 2316 static DEVICE_ATTR_RW(stat_status); 2317 2318 static ssize_t read_human_status(struct device *dev, 2319 struct device_attribute *attr, char *buf) 2320 { 2321 int ret = -ENODEV; 2322 int modem_state; 2323 struct uea_softc *sc; 2324 2325 mutex_lock(&uea_mutex); 2326 sc = dev_to_uea(dev); 2327 if (!sc) 2328 goto out; 2329 2330 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2331 switch (sc->stats.phy.state) { 2332 case 0x0: /* not yet synchronized */ 2333 case 0x1: 2334 case 0x3: 2335 case 0x4: 2336 modem_state = 0; 2337 break; 2338 case 0x5: /* initialization */ 2339 case 0x6: 2340 case 0x9: 2341 case 0xa: 2342 modem_state = 1; 2343 break; 2344 case 0x7: /* operational */ 2345 modem_state = 2; 2346 break; 2347 case 0x2: /* fail ... */ 2348 modem_state = 3; 2349 break; 2350 default: /* unknown */ 2351 modem_state = 4; 2352 break; 2353 } 2354 } else 2355 modem_state = GET_STATUS(sc->stats.phy.state); 2356 2357 switch (modem_state) { 2358 case 0: 2359 ret = sprintf(buf, "Modem is booting\n"); 2360 break; 2361 case 1: 2362 ret = sprintf(buf, "Modem is initializing\n"); 2363 break; 2364 case 2: 2365 ret = sprintf(buf, "Modem is operational\n"); 2366 break; 2367 case 3: 2368 ret = sprintf(buf, "Modem synchronization failed\n"); 2369 break; 2370 default: 2371 ret = sprintf(buf, "Modem state is unknown\n"); 2372 break; 2373 } 2374 out: 2375 mutex_unlock(&uea_mutex); 2376 return ret; 2377 } 2378 2379 static DEVICE_ATTR(stat_human_status, S_IRUGO, read_human_status, NULL); 2380 2381 static ssize_t read_delin(struct device *dev, struct device_attribute *attr, 2382 char *buf) 2383 { 2384 int ret = -ENODEV; 2385 struct uea_softc *sc; 2386 char *delin = "GOOD"; 2387 2388 mutex_lock(&uea_mutex); 2389 sc = dev_to_uea(dev); 2390 if (!sc) 2391 goto out; 2392 2393 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2394 if (sc->stats.phy.flags & 0x4000) 2395 delin = "RESET"; 2396 else if (sc->stats.phy.flags & 0x0001) 2397 delin = "LOSS"; 2398 } else { 2399 if (sc->stats.phy.flags & 0x0C00) 2400 delin = "ERROR"; 2401 else if (sc->stats.phy.flags & 0x0030) 2402 delin = "LOSS"; 2403 } 2404 2405 ret = sprintf(buf, "%s\n", delin); 2406 out: 2407 mutex_unlock(&uea_mutex); 2408 return ret; 2409 } 2410 2411 static DEVICE_ATTR(stat_delin, S_IRUGO, read_delin, NULL); 2412 2413 #define UEA_ATTR(name, reset) \ 2414 \ 2415 static ssize_t read_##name(struct device *dev, \ 2416 struct device_attribute *attr, char *buf) \ 2417 { \ 2418 int ret = -ENODEV; \ 2419 struct uea_softc *sc; \ 2420 \ 2421 mutex_lock(&uea_mutex); \ 2422 sc = dev_to_uea(dev); \ 2423 if (!sc) \ 2424 goto out; \ 2425 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \ 2426 if (reset) \ 2427 sc->stats.phy.name = 0; \ 2428 out: \ 2429 mutex_unlock(&uea_mutex); \ 2430 return ret; \ 2431 } \ 2432 \ 2433 static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL) 2434 2435 UEA_ATTR(mflags, 1); 2436 UEA_ATTR(vidcpe, 0); 2437 UEA_ATTR(usrate, 0); 2438 UEA_ATTR(dsrate, 0); 2439 UEA_ATTR(usattenuation, 0); 2440 UEA_ATTR(dsattenuation, 0); 2441 UEA_ATTR(usmargin, 0); 2442 UEA_ATTR(dsmargin, 0); 2443 UEA_ATTR(txflow, 0); 2444 UEA_ATTR(rxflow, 0); 2445 UEA_ATTR(uscorr, 0); 2446 UEA_ATTR(dscorr, 0); 2447 UEA_ATTR(usunc, 0); 2448 UEA_ATTR(dsunc, 0); 2449 UEA_ATTR(firmid, 0); 2450 2451 /* Retrieve the device End System Identifier (MAC) */ 2452 2453 static int uea_getesi(struct uea_softc *sc, u_char *esi) 2454 { 2455 unsigned char mac_str[2 * ETH_ALEN + 1]; 2456 int i; 2457 if (usb_string 2458 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str, 2459 sizeof(mac_str)) != 2 * ETH_ALEN) 2460 return 1; 2461 2462 for (i = 0; i < ETH_ALEN; i++) 2463 esi[i] = hex_to_bin(mac_str[2 * i]) * 16 + 2464 hex_to_bin(mac_str[2 * i + 1]); 2465 2466 return 0; 2467 } 2468 2469 /* ATM stuff */ 2470 static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev) 2471 { 2472 struct uea_softc *sc = usbatm->driver_data; 2473 2474 return uea_getesi(sc, atm_dev->esi); 2475 } 2476 2477 static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf) 2478 { 2479 struct uea_softc *sc = usbatm->driver_data; 2480 2481 wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc)); 2482 2483 return 0; 2484 2485 } 2486 2487 static int claim_interface(struct usb_device *usb_dev, 2488 struct usbatm_data *usbatm, int ifnum) 2489 { 2490 int ret; 2491 struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum); 2492 2493 if (!intf) { 2494 uea_err(usb_dev, "interface %d not found\n", ifnum); 2495 return -ENODEV; 2496 } 2497 2498 ret = usb_driver_claim_interface(&uea_driver, intf, usbatm); 2499 if (ret != 0) 2500 uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum, 2501 ret); 2502 return ret; 2503 } 2504 2505 static struct attribute *attrs[] = { 2506 &dev_attr_stat_status.attr, 2507 &dev_attr_stat_mflags.attr, 2508 &dev_attr_stat_human_status.attr, 2509 &dev_attr_stat_delin.attr, 2510 &dev_attr_stat_vidcpe.attr, 2511 &dev_attr_stat_usrate.attr, 2512 &dev_attr_stat_dsrate.attr, 2513 &dev_attr_stat_usattenuation.attr, 2514 &dev_attr_stat_dsattenuation.attr, 2515 &dev_attr_stat_usmargin.attr, 2516 &dev_attr_stat_dsmargin.attr, 2517 &dev_attr_stat_txflow.attr, 2518 &dev_attr_stat_rxflow.attr, 2519 &dev_attr_stat_uscorr.attr, 2520 &dev_attr_stat_dscorr.attr, 2521 &dev_attr_stat_usunc.attr, 2522 &dev_attr_stat_dsunc.attr, 2523 &dev_attr_stat_firmid.attr, 2524 NULL, 2525 }; 2526 static const struct attribute_group attr_grp = { 2527 .attrs = attrs, 2528 }; 2529 2530 static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, 2531 const struct usb_device_id *id) 2532 { 2533 struct usb_device *usb = interface_to_usbdev(intf); 2534 struct uea_softc *sc; 2535 int ret, ifnum = intf->altsetting->desc.bInterfaceNumber; 2536 unsigned int alt; 2537 2538 uea_enters(usb); 2539 2540 /* interface 0 is for firmware/monitoring */ 2541 if (ifnum != UEA_INTR_IFACE_NO) 2542 return -ENODEV; 2543 2544 usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT); 2545 2546 /* interface 1 is for outbound traffic */ 2547 ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO); 2548 if (ret < 0) 2549 return ret; 2550 2551 /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */ 2552 if (UEA_CHIP_VERSION(id) != ADI930) { 2553 /* interface 2 is for inbound traffic */ 2554 ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO); 2555 if (ret < 0) 2556 return ret; 2557 } 2558 2559 sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL); 2560 if (!sc) 2561 return -ENOMEM; 2562 2563 sc->usb_dev = usb; 2564 usbatm->driver_data = sc; 2565 sc->usbatm = usbatm; 2566 sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0; 2567 sc->driver_info = id->driver_info; 2568 2569 /* first try to use module parameter */ 2570 if (annex[sc->modem_index] == 1) 2571 sc->annex = ANNEXA; 2572 else if (annex[sc->modem_index] == 2) 2573 sc->annex = ANNEXB; 2574 /* try to autodetect annex */ 2575 else if (sc->driver_info & AUTO_ANNEX_A) 2576 sc->annex = ANNEXA; 2577 else if (sc->driver_info & AUTO_ANNEX_B) 2578 sc->annex = ANNEXB; 2579 else 2580 sc->annex = (le16_to_cpu 2581 (sc->usb_dev->descriptor.bcdDevice) & 0x80) ? ANNEXB : ANNEXA; 2582 2583 alt = altsetting[sc->modem_index]; 2584 /* ADI930 don't support iso */ 2585 if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) { 2586 if (alt <= 8 && 2587 usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) { 2588 uea_dbg(usb, "set alternate %u for 2 interface\n", alt); 2589 uea_info(usb, "using iso mode\n"); 2590 usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ; 2591 } else { 2592 uea_err(usb, "setting alternate %u failed for " 2593 "2 interface, using bulk mode\n", alt); 2594 } 2595 } 2596 2597 ret = sysfs_create_group(&intf->dev.kobj, &attr_grp); 2598 if (ret < 0) 2599 goto error; 2600 2601 ret = uea_boot(sc); 2602 if (ret < 0) 2603 goto error_rm_grp; 2604 2605 return 0; 2606 2607 error_rm_grp: 2608 sysfs_remove_group(&intf->dev.kobj, &attr_grp); 2609 error: 2610 kfree(sc); 2611 return ret; 2612 } 2613 2614 static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) 2615 { 2616 struct uea_softc *sc = usbatm->driver_data; 2617 2618 sysfs_remove_group(&intf->dev.kobj, &attr_grp); 2619 uea_stop(sc); 2620 kfree(sc); 2621 } 2622 2623 static struct usbatm_driver uea_usbatm_driver = { 2624 .driver_name = "ueagle-atm", 2625 .bind = uea_bind, 2626 .atm_start = uea_atm_open, 2627 .unbind = uea_unbind, 2628 .heavy_init = uea_heavy, 2629 .bulk_in = UEA_BULK_DATA_PIPE, 2630 .bulk_out = UEA_BULK_DATA_PIPE, 2631 .isoc_in = UEA_ISO_DATA_PIPE, 2632 }; 2633 2634 static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id) 2635 { 2636 struct usb_device *usb = interface_to_usbdev(intf); 2637 int ret; 2638 2639 uea_enters(usb); 2640 uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n", 2641 le16_to_cpu(usb->descriptor.idVendor), 2642 le16_to_cpu(usb->descriptor.idProduct), 2643 le16_to_cpu(usb->descriptor.bcdDevice), 2644 chip_name[UEA_CHIP_VERSION(id)]); 2645 2646 usb_reset_device(usb); 2647 2648 if (UEA_IS_PREFIRM(id)) 2649 return uea_load_firmware(usb, UEA_CHIP_VERSION(id)); 2650 2651 ret = usbatm_usb_probe(intf, id, &uea_usbatm_driver); 2652 if (ret == 0) { 2653 struct usbatm_data *usbatm = usb_get_intfdata(intf); 2654 struct uea_softc *sc = usbatm->driver_data; 2655 2656 /* Ensure carrier is initialized to off as early as possible */ 2657 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); 2658 2659 /* Only start the worker thread when all init is done */ 2660 wake_up_process(sc->kthread); 2661 } 2662 2663 return ret; 2664 } 2665 2666 static void uea_disconnect(struct usb_interface *intf) 2667 { 2668 struct usb_device *usb = interface_to_usbdev(intf); 2669 int ifnum = intf->altsetting->desc.bInterfaceNumber; 2670 uea_enters(usb); 2671 2672 /* ADI930 has 2 interfaces and eagle 3 interfaces. 2673 * Pre-firmware device has one interface 2674 */ 2675 if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) { 2676 mutex_lock(&uea_mutex); 2677 usbatm_usb_disconnect(intf); 2678 mutex_unlock(&uea_mutex); 2679 uea_info(usb, "ADSL device removed\n"); 2680 } 2681 2682 uea_leaves(usb); 2683 } 2684 2685 /* 2686 * List of supported VID/PID 2687 */ 2688 static const struct usb_device_id uea_ids[] = { 2689 {USB_DEVICE(ANALOG_VID, ADI930_PID_PREFIRM), 2690 .driver_info = ADI930 | PREFIRM}, 2691 {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM), 2692 .driver_info = ADI930 | PSTFIRM}, 2693 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM), 2694 .driver_info = EAGLE_I | PREFIRM}, 2695 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM), 2696 .driver_info = EAGLE_I | PSTFIRM}, 2697 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM), 2698 .driver_info = EAGLE_II | PREFIRM}, 2699 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM), 2700 .driver_info = EAGLE_II | PSTFIRM}, 2701 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM), 2702 .driver_info = EAGLE_II | PREFIRM}, 2703 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM), 2704 .driver_info = EAGLE_II | PSTFIRM}, 2705 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM), 2706 .driver_info = EAGLE_III | PREFIRM}, 2707 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM), 2708 .driver_info = EAGLE_III | PSTFIRM}, 2709 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM), 2710 .driver_info = EAGLE_IV | PREFIRM}, 2711 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM), 2712 .driver_info = EAGLE_IV | PSTFIRM}, 2713 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PREFIRM), 2714 .driver_info = EAGLE_I | PREFIRM}, 2715 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PSTFIRM), 2716 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2717 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PREFIRM), 2718 .driver_info = EAGLE_I | PREFIRM}, 2719 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PSTFIRM), 2720 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2721 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PREFIRM), 2722 .driver_info = EAGLE_II | PREFIRM}, 2723 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PSTFIRM), 2724 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A}, 2725 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PREFIRM), 2726 .driver_info = EAGLE_II | PREFIRM}, 2727 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PSTFIRM), 2728 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B}, 2729 {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), 2730 .driver_info = ADI930 | PREFIRM}, 2731 {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), 2732 .driver_info = ADI930 | PSTFIRM}, 2733 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM), 2734 .driver_info = ADI930 | PREFIRM}, 2735 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM), 2736 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A}, 2737 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM), 2738 .driver_info = ADI930 | PREFIRM}, 2739 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM), 2740 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B}, 2741 {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), 2742 .driver_info = EAGLE_I | PREFIRM}, 2743 {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), 2744 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2745 {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), 2746 .driver_info = EAGLE_I | PREFIRM}, 2747 {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), 2748 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2749 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM), 2750 .driver_info = EAGLE_I | PREFIRM}, 2751 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM), 2752 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2753 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM), 2754 .driver_info = EAGLE_I | PREFIRM}, 2755 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM), 2756 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2757 {} 2758 }; 2759 2760 /* 2761 * USB driver descriptor 2762 */ 2763 static struct usb_driver uea_driver = { 2764 .name = "ueagle-atm", 2765 .id_table = uea_ids, 2766 .probe = uea_probe, 2767 .disconnect = uea_disconnect, 2768 }; 2769 2770 MODULE_DEVICE_TABLE(usb, uea_ids); 2771 2772 module_usb_driver(uea_driver); 2773 2774 MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); 2775 MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); 2776 MODULE_LICENSE("Dual BSD/GPL"); 2777 MODULE_FIRMWARE(EAGLE_FIRMWARE); 2778 MODULE_FIRMWARE(ADI930_FIRMWARE); 2779 MODULE_FIRMWARE(EAGLE_I_FIRMWARE); 2780 MODULE_FIRMWARE(EAGLE_II_FIRMWARE); 2781 MODULE_FIRMWARE(EAGLE_III_FIRMWARE); 2782 MODULE_FIRMWARE(EAGLE_IV_FIRMWARE); 2783 MODULE_FIRMWARE(DSP4I_FIRMWARE); 2784 MODULE_FIRMWARE(DSP4P_FIRMWARE); 2785 MODULE_FIRMWARE(DSP9I_FIRMWARE); 2786 MODULE_FIRMWARE(DSP9P_FIRMWARE); 2787 MODULE_FIRMWARE(DSPEI_FIRMWARE); 2788 MODULE_FIRMWARE(DSPEP_FIRMWARE); 2789 MODULE_FIRMWARE(FPGA930_FIRMWARE); 2790 MODULE_FIRMWARE(CMV4P_FIRMWARE); 2791 MODULE_FIRMWARE(CMV4PV2_FIRMWARE); 2792 MODULE_FIRMWARE(CMV4I_FIRMWARE); 2793 MODULE_FIRMWARE(CMV4IV2_FIRMWARE); 2794 MODULE_FIRMWARE(CMV9P_FIRMWARE); 2795 MODULE_FIRMWARE(CMV9PV2_FIRMWARE); 2796 MODULE_FIRMWARE(CMV9I_FIRMWARE); 2797 MODULE_FIRMWARE(CMV9IV2_FIRMWARE); 2798 MODULE_FIRMWARE(CMVEP_FIRMWARE); 2799 MODULE_FIRMWARE(CMVEPV2_FIRMWARE); 2800 MODULE_FIRMWARE(CMVEI_FIRMWARE); 2801 MODULE_FIRMWARE(CMVEIV2_FIRMWARE); 2802