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