1 /*- 2 * Copyright (c) 2003, 2004 3 * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 4 * 5 * Copyright (c) 2005-2007 Matthieu Castet <castet.matthieu@free.fr> 6 * Copyright (c) 2005-2007 Stanislaw Gruszka <stf_xl@wp.pl> 7 * 8 * This software is available to you under a choice of one of two 9 * licenses. You may choose to be licensed under the terms of the GNU 10 * General Public License (GPL) Version 2, available from the file 11 * COPYING in the main directory of this source tree, or the 12 * BSD license below: 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice unmodified, this list of conditions, and the following 19 * disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * GPL license : 37 * This program is free software; you can redistribute it and/or 38 * modify it under the terms of the GNU General Public License 39 * as published by the Free Software Foundation; either version 2 40 * of the License, or (at your option) any later version. 41 * 42 * This program is distributed in the hope that it will be useful, 43 * but WITHOUT ANY WARRANTY; without even the implied warranty of 44 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 45 * GNU General Public License for more details. 46 * 47 * You should have received a copy of the GNU General Public License 48 * along with this program; if not, write to the Free Software 49 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 50 * 51 * 52 * HISTORY : some part of the code was base on ueagle 1.3 BSD driver, 53 * Damien Bergamini agree to put his code under a DUAL GPL/BSD license. 54 * 55 * The rest of the code was was rewritten from scratch. 56 */ 57 58 #include <linux/module.h> 59 #include <linux/moduleparam.h> 60 #include <linux/init.h> 61 #include <linux/crc32.h> 62 #include <linux/usb.h> 63 #include <linux/firmware.h> 64 #include <linux/ctype.h> 65 #include <linux/sched.h> 66 #include <linux/kthread.h> 67 #include <linux/mutex.h> 68 #include <linux/freezer.h> 69 #include <linux/slab.h> 70 #include <linux/kernel.h> 71 72 #include <asm/unaligned.h> 73 74 #include "usbatm.h" 75 76 #define EAGLEUSBVERSION "ueagle 1.4" 77 78 79 /* 80 * Debug macros 81 */ 82 #define uea_dbg(usb_dev, format, args...) \ 83 do { \ 84 if (debug >= 1) \ 85 dev_dbg(&(usb_dev)->dev, \ 86 "[ueagle-atm dbg] %s: " format, \ 87 __func__, ##args); \ 88 } while (0) 89 90 #define uea_vdbg(usb_dev, format, args...) \ 91 do { \ 92 if (debug >= 2) \ 93 dev_dbg(&(usb_dev)->dev, \ 94 "[ueagle-atm vdbg] " format, ##args); \ 95 } while (0) 96 97 #define uea_enters(usb_dev) \ 98 uea_vdbg(usb_dev, "entering %s\n" , __func__) 99 100 #define uea_leaves(usb_dev) \ 101 uea_vdbg(usb_dev, "leaving %s\n" , __func__) 102 103 #define uea_err(usb_dev, format, args...) \ 104 dev_err(&(usb_dev)->dev , "[UEAGLE-ATM] " format , ##args) 105 106 #define uea_warn(usb_dev, format, args...) \ 107 dev_warn(&(usb_dev)->dev , "[Ueagle-atm] " format, ##args) 108 109 #define uea_info(usb_dev, format, args...) \ 110 dev_info(&(usb_dev)->dev , "[ueagle-atm] " format, ##args) 111 112 struct intr_pkt; 113 114 /* cmv's from firmware */ 115 struct uea_cmvs_v1 { 116 u32 address; 117 u16 offset; 118 u32 data; 119 } __attribute__ ((packed)); 120 121 struct uea_cmvs_v2 { 122 u32 group; 123 u32 address; 124 u32 offset; 125 u32 data; 126 } __attribute__ ((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 struct workqueue_struct *work_q; 172 u16 pageno; 173 u16 ovl; 174 175 const struct firmware *dsp_firm; 176 struct urb *urb_int; 177 178 void (*dispatch_cmv) (struct uea_softc *, struct intr_pkt *); 179 void (*schedule_load_page) (struct uea_softc *, struct intr_pkt *); 180 int (*stat) (struct uea_softc *); 181 int (*send_cmvs) (struct uea_softc *); 182 183 /* keep in sync with eaglectl */ 184 struct uea_stats { 185 struct { 186 u32 state; 187 u32 flags; 188 u32 mflags; 189 u32 vidcpe; 190 u32 vidco; 191 u32 dsrate; 192 u32 usrate; 193 u32 dsunc; 194 u32 usunc; 195 u32 dscorr; 196 u32 uscorr; 197 u32 txflow; 198 u32 rxflow; 199 u32 usattenuation; 200 u32 dsattenuation; 201 u32 dsmargin; 202 u32 usmargin; 203 u32 firmid; 204 } phy; 205 } stats; 206 }; 207 208 /* 209 * Elsa IDs 210 */ 211 #define ELSA_VID 0x05CC 212 #define ELSA_PID_PSTFIRM 0x3350 213 #define ELSA_PID_PREFIRM 0x3351 214 215 #define ELSA_PID_A_PREFIRM 0x3352 216 #define ELSA_PID_A_PSTFIRM 0x3353 217 #define ELSA_PID_B_PREFIRM 0x3362 218 #define ELSA_PID_B_PSTFIRM 0x3363 219 220 /* 221 * Devolo IDs : pots if (pid & 0x10) 222 */ 223 #define DEVOLO_VID 0x1039 224 #define DEVOLO_EAGLE_I_A_PID_PSTFIRM 0x2110 225 #define DEVOLO_EAGLE_I_A_PID_PREFIRM 0x2111 226 227 #define DEVOLO_EAGLE_I_B_PID_PSTFIRM 0x2100 228 #define DEVOLO_EAGLE_I_B_PID_PREFIRM 0x2101 229 230 #define DEVOLO_EAGLE_II_A_PID_PSTFIRM 0x2130 231 #define DEVOLO_EAGLE_II_A_PID_PREFIRM 0x2131 232 233 #define DEVOLO_EAGLE_II_B_PID_PSTFIRM 0x2120 234 #define DEVOLO_EAGLE_II_B_PID_PREFIRM 0x2121 235 236 /* 237 * Reference design USB IDs 238 */ 239 #define ANALOG_VID 0x1110 240 #define ADI930_PID_PREFIRM 0x9001 241 #define ADI930_PID_PSTFIRM 0x9000 242 243 #define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */ 244 #define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */ 245 246 #define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */ 247 #define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */ 248 249 #define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */ 250 #define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */ 251 252 #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */ 253 #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */ 254 255 #define EAGLE_IV_PID_PREFIRM 0x9042 /* Eagle IV */ 256 #define EAGLE_IV_PID_PSTFIRM 0x9041 /* Eagle IV */ 257 258 /* 259 * USR USB IDs 260 */ 261 #define USR_VID 0x0BAF 262 #define MILLER_A_PID_PREFIRM 0x00F2 263 #define MILLER_A_PID_PSTFIRM 0x00F1 264 #define MILLER_B_PID_PREFIRM 0x00FA 265 #define MILLER_B_PID_PSTFIRM 0x00F9 266 #define HEINEKEN_A_PID_PREFIRM 0x00F6 267 #define HEINEKEN_A_PID_PSTFIRM 0x00F5 268 #define HEINEKEN_B_PID_PREFIRM 0x00F8 269 #define HEINEKEN_B_PID_PSTFIRM 0x00F7 270 271 #define PREFIRM 0 272 #define PSTFIRM (1<<7) 273 #define AUTO_ANNEX_A (1<<8) 274 #define AUTO_ANNEX_B (1<<9) 275 276 enum { 277 ADI930 = 0, 278 EAGLE_I, 279 EAGLE_II, 280 EAGLE_III, 281 EAGLE_IV 282 }; 283 284 /* macros for both struct usb_device_id and struct uea_softc */ 285 #define UEA_IS_PREFIRM(x) \ 286 (!((x)->driver_info & PSTFIRM)) 287 #define UEA_CHIP_VERSION(x) \ 288 ((x)->driver_info & 0xf) 289 290 #define IS_ISDN(x) \ 291 ((x)->annex & ANNEXB) 292 293 #define INS_TO_USBDEV(ins) (ins->usb_dev) 294 295 #define GET_STATUS(data) \ 296 ((data >> 8) & 0xf) 297 298 #define IS_OPERATIONAL(sc) \ 299 ((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \ 300 (GET_STATUS(sc->stats.phy.state) == 2) : \ 301 (sc->stats.phy.state == 7)) 302 303 /* 304 * Set of macros to handle unaligned data in the firmware blob. 305 * The FW_GET_BYTE() macro is provided only for consistency. 306 */ 307 308 #define FW_GET_BYTE(p) (*((__u8 *) (p))) 309 310 #define FW_DIR "ueagle-atm/" 311 #define UEA_FW_NAME_MAX 30 312 #define NB_MODEM 4 313 314 #define BULK_TIMEOUT 300 315 #define CTRL_TIMEOUT 1000 316 317 #define ACK_TIMEOUT msecs_to_jiffies(3000) 318 319 #define UEA_INTR_IFACE_NO 0 320 #define UEA_US_IFACE_NO 1 321 #define UEA_DS_IFACE_NO 2 322 323 #define FASTEST_ISO_INTF 8 324 325 #define UEA_BULK_DATA_PIPE 0x02 326 #define UEA_IDMA_PIPE 0x04 327 #define UEA_INTR_PIPE 0x04 328 #define UEA_ISO_DATA_PIPE 0x08 329 330 #define UEA_E1_SET_BLOCK 0x0001 331 #define UEA_E4_SET_BLOCK 0x002c 332 #define UEA_SET_MODE 0x0003 333 #define UEA_SET_2183_DATA 0x0004 334 #define UEA_SET_TIMEOUT 0x0011 335 336 #define UEA_LOOPBACK_OFF 0x0002 337 #define UEA_LOOPBACK_ON 0x0003 338 #define UEA_BOOT_IDMA 0x0006 339 #define UEA_START_RESET 0x0007 340 #define UEA_END_RESET 0x0008 341 342 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000) 343 #define UEA_MPTX_START (0x3fce | 0x4000) 344 #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000) 345 #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000) 346 347 /* block information in eagle4 dsp firmware */ 348 struct block_index { 349 __le32 PageOffset; 350 __le32 NotLastBlock; 351 __le32 dummy; 352 __le32 PageSize; 353 __le32 PageAddress; 354 __le16 dummy1; 355 __le16 PageNumber; 356 } __attribute__ ((packed)); 357 358 #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000) 359 #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4) 360 361 #define E4_L1_STRING_HEADER 0x10 362 #define E4_MAX_PAGE_NUMBER 0x58 363 #define E4_NO_SWAPPAGE_HEADERS 0x31 364 365 /* l1_code is eagle4 dsp firmware format */ 366 struct l1_code { 367 u8 string_header[E4_L1_STRING_HEADER]; 368 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER]; 369 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS]; 370 u8 code[0]; 371 } __attribute__ ((packed)); 372 373 /* structures describing a block within a DSP page */ 374 struct block_info_e1 { 375 __le16 wHdr; 376 __le16 wAddress; 377 __le16 wSize; 378 __le16 wOvlOffset; 379 __le16 wOvl; /* overlay */ 380 __le16 wLast; 381 } __attribute__ ((packed)); 382 #define E1_BLOCK_INFO_SIZE 12 383 384 struct block_info_e4 { 385 __be16 wHdr; 386 __u8 bBootPage; 387 __u8 bPageNumber; 388 __be32 dwSize; 389 __be32 dwAddress; 390 __be16 wReserved; 391 } __attribute__ ((packed)); 392 #define E4_BLOCK_INFO_SIZE 14 393 394 #define UEA_BIHDR 0xabcd 395 #define UEA_RESERVED 0xffff 396 397 /* constants describing cmv type */ 398 #define E1_PREAMBLE 0x535c 399 #define E1_MODEMTOHOST 0x01 400 #define E1_HOSTTOMODEM 0x10 401 402 #define E1_MEMACCESS 0x1 403 #define E1_ADSLDIRECTIVE 0x7 404 #define E1_FUNCTION_TYPE(f) ((f) >> 4) 405 #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f) 406 407 #define E4_MEMACCESS 0 408 #define E4_ADSLDIRECTIVE 0xf 409 #define E4_FUNCTION_TYPE(f) ((f) >> 8) 410 #define E4_FUNCTION_SIZE(f) ((f) & 0x0f) 411 #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f) 412 413 /* for MEMACCESS */ 414 #define E1_REQUESTREAD 0x0 415 #define E1_REQUESTWRITE 0x1 416 #define E1_REPLYREAD 0x2 417 #define E1_REPLYWRITE 0x3 418 419 #define E4_REQUESTREAD 0x0 420 #define E4_REQUESTWRITE 0x4 421 #define E4_REPLYREAD (E4_REQUESTREAD | 1) 422 #define E4_REPLYWRITE (E4_REQUESTWRITE | 1) 423 424 /* for ADSLDIRECTIVE */ 425 #define E1_KERNELREADY 0x0 426 #define E1_MODEMREADY 0x1 427 428 #define E4_KERNELREADY 0x0 429 #define E4_MODEMREADY 0x1 430 431 #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf)) 432 #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | \ 433 ((st) & 0xf) << 4 | ((s) & 0xf)) 434 435 #define E1_MAKESA(a, b, c, d) \ 436 (((c) & 0xff) << 24 | \ 437 ((d) & 0xff) << 16 | \ 438 ((a) & 0xff) << 8 | \ 439 ((b) & 0xff)) 440 441 #define E1_GETSA1(a) ((a >> 8) & 0xff) 442 #define E1_GETSA2(a) (a & 0xff) 443 #define E1_GETSA3(a) ((a >> 24) & 0xff) 444 #define E1_GETSA4(a) ((a >> 16) & 0xff) 445 446 #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L') 447 #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G') 448 #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O') 449 #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N') 450 #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E') 451 #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T') 452 453 #define E4_SA_CNTL 1 454 #define E4_SA_STAT 2 455 #define E4_SA_INFO 3 456 #define E4_SA_TEST 4 457 #define E4_SA_OPTN 5 458 #define E4_SA_RATE 6 459 #define E4_SA_DIAG 7 460 #define E4_SA_CNFG 8 461 462 /* structures representing a CMV (Configuration and Management Variable) */ 463 struct cmv_e1 { 464 __le16 wPreamble; 465 __u8 bDirection; 466 __u8 bFunction; 467 __le16 wIndex; 468 __le32 dwSymbolicAddress; 469 __le16 wOffsetAddress; 470 __le32 dwData; 471 } __attribute__ ((packed)); 472 473 struct cmv_e4 { 474 __be16 wGroup; 475 __be16 wFunction; 476 __be16 wOffset; 477 __be16 wAddress; 478 __be32 dwData[6]; 479 } __attribute__ ((packed)); 480 481 /* structures representing swap information */ 482 struct swap_info_e1 { 483 __u8 bSwapPageNo; 484 __u8 bOvl; /* overlay */ 485 } __attribute__ ((packed)); 486 487 struct swap_info_e4 { 488 __u8 bSwapPageNo; 489 } __attribute__ ((packed)); 490 491 /* structures representing interrupt data */ 492 #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo 493 #define e1_bOvl u.e1.s1.swapinfo.bOvl 494 #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo 495 496 #define INT_LOADSWAPPAGE 0x0001 497 #define INT_INCOMINGCMV 0x0002 498 499 union intr_data_e1 { 500 struct { 501 struct swap_info_e1 swapinfo; 502 __le16 wDataSize; 503 } __attribute__ ((packed)) s1; 504 struct { 505 struct cmv_e1 cmv; 506 __le16 wDataSize; 507 } __attribute__ ((packed)) s2; 508 } __attribute__ ((packed)); 509 510 union intr_data_e4 { 511 struct { 512 struct swap_info_e4 swapinfo; 513 __le16 wDataSize; 514 } __attribute__ ((packed)) s1; 515 struct { 516 struct cmv_e4 cmv; 517 __le16 wDataSize; 518 } __attribute__ ((packed)) s2; 519 } __attribute__ ((packed)); 520 521 struct intr_pkt { 522 __u8 bType; 523 __u8 bNotification; 524 __le16 wValue; 525 __le16 wIndex; 526 __le16 wLength; 527 __le16 wInterrupt; 528 union { 529 union intr_data_e1 e1; 530 union intr_data_e4 e4; 531 } u; 532 } __attribute__ ((packed)); 533 534 #define E1_INTR_PKT_SIZE 28 535 #define E4_INTR_PKT_SIZE 64 536 537 static struct usb_driver uea_driver; 538 static DEFINE_MUTEX(uea_mutex); 539 static const char *chip_name[] = {"ADI930", "Eagle I", "Eagle II", "Eagle III", 540 "Eagle IV"}; 541 542 static int modem_index; 543 static unsigned int debug; 544 static unsigned int altsetting[NB_MODEM] = { 545 [0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF}; 546 static int sync_wait[NB_MODEM]; 547 static char *cmv_file[NB_MODEM]; 548 static int annex[NB_MODEM]; 549 550 module_param(debug, uint, 0644); 551 MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)"); 552 module_param_array(altsetting, uint, NULL, 0644); 553 MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, " 554 "1=isoc slowest, ... , 8=isoc fastest (default)"); 555 module_param_array(sync_wait, bool, NULL, 0644); 556 MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM"); 557 module_param_array(cmv_file, charp, NULL, 0644); 558 MODULE_PARM_DESC(cmv_file, 559 "file name with configuration and management variables"); 560 module_param_array(annex, uint, NULL, 0644); 561 MODULE_PARM_DESC(annex, 562 "manually set annex a/b (0=auto, 1=annex a, 2=annex b)"); 563 564 #define uea_wait(sc, cond, timeo) \ 565 ({ \ 566 int _r = wait_event_interruptible_timeout(sc->sync_q, \ 567 (cond) || kthread_should_stop(), timeo); \ 568 if (kthread_should_stop()) \ 569 _r = -ENODEV; \ 570 _r; \ 571 }) 572 573 #define UPDATE_ATM_STAT(type, val) \ 574 do { \ 575 if (sc->usbatm->atm_dev) \ 576 sc->usbatm->atm_dev->type = val; \ 577 } while (0) 578 579 #define UPDATE_ATM_SIGNAL(val) \ 580 do { \ 581 if (sc->usbatm->atm_dev) \ 582 atm_dev_signal_change(sc->usbatm->atm_dev, val); \ 583 } while (0) 584 585 586 /* Firmware loading */ 587 #define LOAD_INTERNAL 0xA0 588 #define F8051_USBCS 0x7f92 589 590 /** 591 * uea_send_modem_cmd - Send a command for pre-firmware devices. 592 */ 593 static int uea_send_modem_cmd(struct usb_device *usb, 594 u16 addr, u16 size, const u8 *buff) 595 { 596 int ret = -ENOMEM; 597 u8 *xfer_buff; 598 599 xfer_buff = kmemdup(buff, size, GFP_KERNEL); 600 if (xfer_buff) { 601 ret = usb_control_msg(usb, 602 usb_sndctrlpipe(usb, 0), 603 LOAD_INTERNAL, 604 USB_DIR_OUT | USB_TYPE_VENDOR | 605 USB_RECIP_DEVICE, addr, 0, xfer_buff, 606 size, CTRL_TIMEOUT); 607 kfree(xfer_buff); 608 } 609 610 if (ret < 0) 611 return ret; 612 613 return (ret == size) ? 0 : -EIO; 614 } 615 616 static void uea_upload_pre_firmware(const struct firmware *fw_entry, 617 void *context) 618 { 619 struct usb_device *usb = context; 620 const u8 *pfw; 621 u8 value; 622 u32 crc = 0; 623 int ret, size; 624 625 uea_enters(usb); 626 if (!fw_entry) { 627 uea_err(usb, "firmware is not available\n"); 628 goto err; 629 } 630 631 pfw = fw_entry->data; 632 size = fw_entry->size; 633 if (size < 4) 634 goto err_fw_corrupted; 635 636 crc = get_unaligned_le32(pfw); 637 pfw += 4; 638 size -= 4; 639 if (crc32_be(0, pfw, size) != crc) 640 goto err_fw_corrupted; 641 642 /* 643 * Start to upload firmware : send reset 644 */ 645 value = 1; 646 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value); 647 648 if (ret < 0) { 649 uea_err(usb, "modem reset failed with error %d\n", ret); 650 goto err; 651 } 652 653 while (size > 3) { 654 u8 len = FW_GET_BYTE(pfw); 655 u16 add = get_unaligned_le16(pfw + 1); 656 657 size -= len + 3; 658 if (size < 0) 659 goto err_fw_corrupted; 660 661 ret = uea_send_modem_cmd(usb, add, len, pfw + 3); 662 if (ret < 0) { 663 uea_err(usb, "uploading firmware data failed " 664 "with error %d\n", ret); 665 goto err; 666 } 667 pfw += len + 3; 668 } 669 670 if (size != 0) 671 goto err_fw_corrupted; 672 673 /* 674 * Tell the modem we finish : de-assert reset 675 */ 676 value = 0; 677 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value); 678 if (ret < 0) 679 uea_err(usb, "modem de-assert failed with error %d\n", ret); 680 else 681 uea_info(usb, "firmware uploaded\n"); 682 683 goto err; 684 685 err_fw_corrupted: 686 uea_err(usb, "firmware is corrupted\n"); 687 err: 688 release_firmware(fw_entry); 689 uea_leaves(usb); 690 } 691 692 /** 693 * uea_load_firmware - Load usb firmware for pre-firmware devices. 694 */ 695 static int uea_load_firmware(struct usb_device *usb, unsigned int ver) 696 { 697 int ret; 698 char *fw_name = FW_DIR "eagle.fw"; 699 700 uea_enters(usb); 701 uea_info(usb, "pre-firmware device, uploading firmware\n"); 702 703 switch (ver) { 704 case ADI930: 705 fw_name = FW_DIR "adi930.fw"; 706 break; 707 case EAGLE_I: 708 fw_name = FW_DIR "eagleI.fw"; 709 break; 710 case EAGLE_II: 711 fw_name = FW_DIR "eagleII.fw"; 712 break; 713 case EAGLE_III: 714 fw_name = FW_DIR "eagleIII.fw"; 715 break; 716 case EAGLE_IV: 717 fw_name = FW_DIR "eagleIV.fw"; 718 break; 719 } 720 721 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, 722 GFP_KERNEL, usb, 723 uea_upload_pre_firmware); 724 if (ret) 725 uea_err(usb, "firmware %s is not available\n", fw_name); 726 else 727 uea_info(usb, "loading firmware %s\n", fw_name); 728 729 uea_leaves(usb); 730 return ret; 731 } 732 733 /* modem management : dsp firmware, send/read CMV, monitoring statistic 734 */ 735 736 /* 737 * Make sure that the DSP code provided is safe to use. 738 */ 739 static int check_dsp_e1(const u8 *dsp, unsigned int len) 740 { 741 u8 pagecount, blockcount; 742 u16 blocksize; 743 u32 pageoffset; 744 unsigned int i, j, p, pp; 745 746 pagecount = FW_GET_BYTE(dsp); 747 p = 1; 748 749 /* enough space for page offsets? */ 750 if (p + 4 * pagecount > len) 751 return 1; 752 753 for (i = 0; i < pagecount; i++) { 754 755 pageoffset = get_unaligned_le32(dsp + p); 756 p += 4; 757 758 if (pageoffset == 0) 759 continue; 760 761 /* enough space for blockcount? */ 762 if (pageoffset >= len) 763 return 1; 764 765 pp = pageoffset; 766 blockcount = FW_GET_BYTE(dsp + pp); 767 pp += 1; 768 769 for (j = 0; j < blockcount; j++) { 770 771 /* enough space for block header? */ 772 if (pp + 4 > len) 773 return 1; 774 775 pp += 2; /* skip blockaddr */ 776 blocksize = get_unaligned_le16(dsp + pp); 777 pp += 2; 778 779 /* enough space for block data? */ 780 if (pp + blocksize > len) 781 return 1; 782 783 pp += blocksize; 784 } 785 } 786 787 return 0; 788 } 789 790 static int check_dsp_e4(const u8 *dsp, int len) 791 { 792 int i; 793 struct l1_code *p = (struct l1_code *) dsp; 794 unsigned int sum = p->code - dsp; 795 796 if (len < sum) 797 return 1; 798 799 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 && 800 strcmp("STRATIPHY ANEXB", p->string_header) != 0) 801 return 1; 802 803 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) { 804 struct block_index *blockidx; 805 u8 blockno = p->page_number_to_block_index[i]; 806 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 807 continue; 808 809 do { 810 u64 l; 811 812 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 813 return 1; 814 815 blockidx = &p->page_header[blockno++]; 816 if ((u8 *)(blockidx + 1) - dsp >= len) 817 return 1; 818 819 if (le16_to_cpu(blockidx->PageNumber) != i) 820 return 1; 821 822 l = E4_PAGE_BYTES(blockidx->PageSize); 823 sum += l; 824 l += le32_to_cpu(blockidx->PageOffset); 825 if (l > len) 826 return 1; 827 828 /* zero is zero regardless endianes */ 829 } while (blockidx->NotLastBlock); 830 } 831 832 return (sum == len) ? 0 : 1; 833 } 834 835 /* 836 * send data to the idma pipe 837 * */ 838 static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size) 839 { 840 int ret = -ENOMEM; 841 u8 *xfer_buff; 842 int bytes_read; 843 844 xfer_buff = kmemdup(data, size, GFP_KERNEL); 845 if (!xfer_buff) { 846 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 847 return ret; 848 } 849 850 ret = usb_bulk_msg(sc->usb_dev, 851 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE), 852 xfer_buff, size, &bytes_read, BULK_TIMEOUT); 853 854 kfree(xfer_buff); 855 if (ret < 0) 856 return ret; 857 if (size != bytes_read) { 858 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size, 859 bytes_read); 860 return -EIO; 861 } 862 863 return 0; 864 } 865 866 static int request_dsp(struct uea_softc *sc) 867 { 868 int ret; 869 char *dsp_name; 870 871 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 872 if (IS_ISDN(sc)) 873 dsp_name = FW_DIR "DSP4i.bin"; 874 else 875 dsp_name = FW_DIR "DSP4p.bin"; 876 } else if (UEA_CHIP_VERSION(sc) == ADI930) { 877 if (IS_ISDN(sc)) 878 dsp_name = FW_DIR "DSP9i.bin"; 879 else 880 dsp_name = FW_DIR "DSP9p.bin"; 881 } else { 882 if (IS_ISDN(sc)) 883 dsp_name = FW_DIR "DSPei.bin"; 884 else 885 dsp_name = FW_DIR "DSPep.bin"; 886 } 887 888 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev); 889 if (ret < 0) { 890 uea_err(INS_TO_USBDEV(sc), 891 "requesting firmware %s failed with error %d\n", 892 dsp_name, ret); 893 return ret; 894 } 895 896 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 897 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size); 898 else 899 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size); 900 901 if (ret) { 902 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 903 dsp_name); 904 release_firmware(sc->dsp_firm); 905 sc->dsp_firm = NULL; 906 return -EILSEQ; 907 } 908 909 return 0; 910 } 911 912 /* 913 * The uea_load_page() function must be called within a process context 914 */ 915 static void uea_load_page_e1(struct work_struct *work) 916 { 917 struct uea_softc *sc = container_of(work, struct uea_softc, task); 918 u16 pageno = sc->pageno; 919 u16 ovl = sc->ovl; 920 struct block_info_e1 bi; 921 922 const u8 *p; 923 u8 pagecount, blockcount; 924 u16 blockaddr, blocksize; 925 u32 pageoffset; 926 int i; 927 928 /* reload firmware when reboot start and it's loaded already */ 929 if (ovl == 0 && pageno == 0 && sc->dsp_firm) { 930 release_firmware(sc->dsp_firm); 931 sc->dsp_firm = NULL; 932 } 933 934 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 935 return; 936 937 p = sc->dsp_firm->data; 938 pagecount = FW_GET_BYTE(p); 939 p += 1; 940 941 if (pageno >= pagecount) 942 goto bad1; 943 944 p += 4 * pageno; 945 pageoffset = get_unaligned_le32(p); 946 947 if (pageoffset == 0) 948 goto bad1; 949 950 p = sc->dsp_firm->data + pageoffset; 951 blockcount = FW_GET_BYTE(p); 952 p += 1; 953 954 uea_dbg(INS_TO_USBDEV(sc), 955 "sending %u blocks for DSP page %u\n", blockcount, pageno); 956 957 bi.wHdr = cpu_to_le16(UEA_BIHDR); 958 bi.wOvl = cpu_to_le16(ovl); 959 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000); 960 961 for (i = 0; i < blockcount; i++) { 962 blockaddr = get_unaligned_le16(p); 963 p += 2; 964 965 blocksize = get_unaligned_le16(p); 966 p += 2; 967 968 bi.wSize = cpu_to_le16(blocksize); 969 bi.wAddress = cpu_to_le16(blockaddr); 970 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0); 971 972 /* send block info through the IDMA pipe */ 973 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE)) 974 goto bad2; 975 976 /* send block data through the IDMA pipe */ 977 if (uea_idma_write(sc, p, blocksize)) 978 goto bad2; 979 980 p += blocksize; 981 } 982 983 return; 984 985 bad2: 986 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i); 987 return; 988 bad1: 989 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno); 990 } 991 992 static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot) 993 { 994 struct block_info_e4 bi; 995 struct block_index *blockidx; 996 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data; 997 u8 blockno = p->page_number_to_block_index[pageno]; 998 999 bi.wHdr = cpu_to_be16(UEA_BIHDR); 1000 bi.bBootPage = boot; 1001 bi.bPageNumber = pageno; 1002 bi.wReserved = cpu_to_be16(UEA_RESERVED); 1003 1004 do { 1005 const u8 *blockoffset; 1006 unsigned int blocksize; 1007 1008 blockidx = &p->page_header[blockno]; 1009 blocksize = E4_PAGE_BYTES(blockidx->PageSize); 1010 blockoffset = sc->dsp_firm->data + le32_to_cpu( 1011 blockidx->PageOffset); 1012 1013 bi.dwSize = cpu_to_be32(blocksize); 1014 bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress)); 1015 1016 uea_dbg(INS_TO_USBDEV(sc), 1017 "sending block %u for DSP page " 1018 "%u size %u address %x\n", 1019 blockno, pageno, blocksize, 1020 le32_to_cpu(blockidx->PageAddress)); 1021 1022 /* send block info through the IDMA pipe */ 1023 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1024 goto bad; 1025 1026 /* send block data through the IDMA pipe */ 1027 if (uea_idma_write(sc, blockoffset, blocksize)) 1028 goto bad; 1029 1030 blockno++; 1031 } while (blockidx->NotLastBlock); 1032 1033 return; 1034 1035 bad: 1036 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno); 1037 return; 1038 } 1039 1040 static void uea_load_page_e4(struct work_struct *work) 1041 { 1042 struct uea_softc *sc = container_of(work, struct uea_softc, task); 1043 u8 pageno = sc->pageno; 1044 int i; 1045 struct block_info_e4 bi; 1046 struct l1_code *p; 1047 1048 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno); 1049 1050 /* reload firmware when reboot start and it's loaded already */ 1051 if (pageno == 0 && sc->dsp_firm) { 1052 release_firmware(sc->dsp_firm); 1053 sc->dsp_firm = NULL; 1054 } 1055 1056 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 1057 return; 1058 1059 p = (struct l1_code *) sc->dsp_firm->data; 1060 if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) { 1061 uea_err(INS_TO_USBDEV(sc), "invalid DSP " 1062 "page %u requested\n", pageno); 1063 return; 1064 } 1065 1066 if (pageno != 0) { 1067 __uea_load_page_e4(sc, pageno, 0); 1068 return; 1069 } 1070 1071 uea_dbg(INS_TO_USBDEV(sc), 1072 "sending Main DSP page %u\n", p->page_header[0].PageNumber); 1073 1074 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) { 1075 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize)) 1076 __uea_load_page_e4(sc, i, 1); 1077 } 1078 1079 uea_dbg(INS_TO_USBDEV(sc) , "sending start bi\n"); 1080 1081 bi.wHdr = cpu_to_be16(UEA_BIHDR); 1082 bi.bBootPage = 0; 1083 bi.bPageNumber = 0xff; 1084 bi.wReserved = cpu_to_be16(UEA_RESERVED); 1085 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize)); 1086 bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress)); 1087 1088 /* send block info through the IDMA pipe */ 1089 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1090 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n"); 1091 } 1092 1093 static inline void wake_up_cmv_ack(struct uea_softc *sc) 1094 { 1095 BUG_ON(sc->cmv_ack); 1096 sc->cmv_ack = 1; 1097 wake_up(&sc->sync_q); 1098 } 1099 1100 static inline int wait_cmv_ack(struct uea_softc *sc) 1101 { 1102 int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT); 1103 1104 sc->cmv_ack = 0; 1105 1106 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n", 1107 jiffies_to_msecs(ret)); 1108 1109 if (ret < 0) 1110 return ret; 1111 1112 return (ret == 0) ? -ETIMEDOUT : 0; 1113 } 1114 1115 #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00 1116 1117 static int uea_request(struct uea_softc *sc, 1118 u16 value, u16 index, u16 size, const void *data) 1119 { 1120 u8 *xfer_buff; 1121 int ret = -ENOMEM; 1122 1123 xfer_buff = kmemdup(data, size, GFP_KERNEL); 1124 if (!xfer_buff) { 1125 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 1126 return ret; 1127 } 1128 1129 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0), 1130 UCDC_SEND_ENCAPSULATED_COMMAND, 1131 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 1132 value, index, xfer_buff, size, CTRL_TIMEOUT); 1133 1134 kfree(xfer_buff); 1135 if (ret < 0) { 1136 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret); 1137 return ret; 1138 } 1139 1140 if (ret != size) { 1141 uea_err(INS_TO_USBDEV(sc), 1142 "usb_control_msg send only %d bytes (instead of %d)\n", 1143 ret, size); 1144 return -EIO; 1145 } 1146 1147 return 0; 1148 } 1149 1150 static int uea_cmv_e1(struct uea_softc *sc, 1151 u8 function, u32 address, u16 offset, u32 data) 1152 { 1153 struct cmv_e1 cmv; 1154 int ret; 1155 1156 uea_enters(INS_TO_USBDEV(sc)); 1157 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, " 1158 "offset : 0x%04x, data : 0x%08x\n", 1159 E1_FUNCTION_TYPE(function), 1160 E1_FUNCTION_SUBTYPE(function), 1161 E1_GETSA1(address), E1_GETSA2(address), 1162 E1_GETSA3(address), 1163 E1_GETSA4(address), offset, data); 1164 1165 /* we send a request, but we expect a reply */ 1166 sc->cmv_dsc.e1.function = function | 0x2; 1167 sc->cmv_dsc.e1.idx++; 1168 sc->cmv_dsc.e1.address = address; 1169 sc->cmv_dsc.e1.offset = offset; 1170 1171 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE); 1172 cmv.bDirection = E1_HOSTTOMODEM; 1173 cmv.bFunction = function; 1174 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx); 1175 put_unaligned_le32(address, &cmv.dwSymbolicAddress); 1176 cmv.wOffsetAddress = cpu_to_le16(offset); 1177 put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData); 1178 1179 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START, 1180 sizeof(cmv), &cmv); 1181 if (ret < 0) 1182 return ret; 1183 ret = wait_cmv_ack(sc); 1184 uea_leaves(INS_TO_USBDEV(sc)); 1185 return ret; 1186 } 1187 1188 static int uea_cmv_e4(struct uea_softc *sc, 1189 u16 function, u16 group, u16 address, u16 offset, u32 data) 1190 { 1191 struct cmv_e4 cmv; 1192 int ret; 1193 1194 uea_enters(INS_TO_USBDEV(sc)); 1195 memset(&cmv, 0, sizeof(cmv)); 1196 1197 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, " 1198 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n", 1199 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function), 1200 group, address, offset, data); 1201 1202 /* we send a request, but we expect a reply */ 1203 sc->cmv_dsc.e4.function = function | (0x1 << 4); 1204 sc->cmv_dsc.e4.offset = offset; 1205 sc->cmv_dsc.e4.address = address; 1206 sc->cmv_dsc.e4.group = group; 1207 1208 cmv.wFunction = cpu_to_be16(function); 1209 cmv.wGroup = cpu_to_be16(group); 1210 cmv.wAddress = cpu_to_be16(address); 1211 cmv.wOffset = cpu_to_be16(offset); 1212 cmv.dwData[0] = cpu_to_be32(data); 1213 1214 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START, 1215 sizeof(cmv), &cmv); 1216 if (ret < 0) 1217 return ret; 1218 ret = wait_cmv_ack(sc); 1219 uea_leaves(INS_TO_USBDEV(sc)); 1220 return ret; 1221 } 1222 1223 static inline int uea_read_cmv_e1(struct uea_softc *sc, 1224 u32 address, u16 offset, u32 *data) 1225 { 1226 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD), 1227 address, offset, 0); 1228 if (ret < 0) 1229 uea_err(INS_TO_USBDEV(sc), 1230 "reading cmv failed with error %d\n", ret); 1231 else 1232 *data = sc->data; 1233 1234 return ret; 1235 } 1236 1237 static inline int uea_read_cmv_e4(struct uea_softc *sc, 1238 u8 size, u16 group, u16 address, u16 offset, u32 *data) 1239 { 1240 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, 1241 E4_REQUESTREAD, size), 1242 group, address, offset, 0); 1243 if (ret < 0) 1244 uea_err(INS_TO_USBDEV(sc), 1245 "reading cmv failed with error %d\n", ret); 1246 else { 1247 *data = sc->data; 1248 /* size is in 16-bit word quantities */ 1249 if (size > 2) 1250 *(data + 1) = sc->data1; 1251 } 1252 return ret; 1253 } 1254 1255 static inline int uea_write_cmv_e1(struct uea_softc *sc, 1256 u32 address, u16 offset, u32 data) 1257 { 1258 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE), 1259 address, offset, data); 1260 if (ret < 0) 1261 uea_err(INS_TO_USBDEV(sc), 1262 "writing cmv failed with error %d\n", ret); 1263 1264 return ret; 1265 } 1266 1267 static inline int uea_write_cmv_e4(struct uea_softc *sc, 1268 u8 size, u16 group, u16 address, u16 offset, u32 data) 1269 { 1270 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, 1271 E4_REQUESTWRITE, size), 1272 group, address, offset, data); 1273 if (ret < 0) 1274 uea_err(INS_TO_USBDEV(sc), 1275 "writing cmv failed with error %d\n", ret); 1276 1277 return ret; 1278 } 1279 1280 static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate) 1281 { 1282 int ret; 1283 u16 timeout; 1284 1285 /* in bulk mode the modem have problem with high rate 1286 * changing internal timing could improve things, but the 1287 * value is misterious. 1288 * ADI930 don't support it (-EPIPE error). 1289 */ 1290 1291 if (UEA_CHIP_VERSION(sc) == ADI930 || 1292 altsetting[sc->modem_index] > 0 || 1293 sc->stats.phy.dsrate == dsrate) 1294 return; 1295 1296 /* Original timming (1Mbit/s) from ADI (used in windows driver) */ 1297 timeout = (dsrate <= 1024*1024) ? 0 : 1; 1298 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL); 1299 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n", 1300 timeout, ret < 0 ? " failed" : ""); 1301 1302 } 1303 1304 /* 1305 * Monitor the modem and update the stat 1306 * return 0 if everything is ok 1307 * return < 0 if an error occurs (-EAGAIN reboot needed) 1308 */ 1309 static int uea_stat_e1(struct uea_softc *sc) 1310 { 1311 u32 data; 1312 int ret; 1313 1314 uea_enters(INS_TO_USBDEV(sc)); 1315 data = sc->stats.phy.state; 1316 1317 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state); 1318 if (ret < 0) 1319 return ret; 1320 1321 switch (GET_STATUS(sc->stats.phy.state)) { 1322 case 0: /* not yet synchronized */ 1323 uea_dbg(INS_TO_USBDEV(sc), 1324 "modem not yet synchronized\n"); 1325 return 0; 1326 1327 case 1: /* initialization */ 1328 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1329 return 0; 1330 1331 case 2: /* operational */ 1332 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n"); 1333 break; 1334 1335 case 3: /* fail ... */ 1336 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed" 1337 " (may be try other cmv/dsp)\n"); 1338 return -EAGAIN; 1339 1340 case 4 ... 6: /* test state */ 1341 uea_warn(INS_TO_USBDEV(sc), 1342 "modem in test mode - not supported\n"); 1343 return -EAGAIN; 1344 1345 case 7: /* fast-retain ... */ 1346 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n"); 1347 return 0; 1348 default: 1349 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n", 1350 GET_STATUS(sc->stats.phy.state)); 1351 return -EAGAIN; 1352 } 1353 1354 if (GET_STATUS(data) != 2) { 1355 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1356 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1357 1358 /* release the dsp firmware as it is not needed until 1359 * the next failure 1360 */ 1361 if (sc->dsp_firm) { 1362 release_firmware(sc->dsp_firm); 1363 sc->dsp_firm = NULL; 1364 } 1365 } 1366 1367 /* always update it as atm layer could not be init when we switch to 1368 * operational state 1369 */ 1370 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); 1371 1372 /* wake up processes waiting for synchronization */ 1373 wake_up(&sc->sync_q); 1374 1375 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags); 1376 if (ret < 0) 1377 return ret; 1378 sc->stats.phy.mflags |= sc->stats.phy.flags; 1379 1380 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1381 * we check the status again in order to detect the failure earlier 1382 */ 1383 if (sc->stats.phy.flags) { 1384 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1385 sc->stats.phy.flags); 1386 return 0; 1387 } 1388 1389 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data); 1390 if (ret < 0) 1391 return ret; 1392 1393 uea_set_bulk_timeout(sc, (data >> 16) * 32); 1394 sc->stats.phy.dsrate = (data >> 16) * 32; 1395 sc->stats.phy.usrate = (data & 0xffff) * 32; 1396 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1397 1398 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data); 1399 if (ret < 0) 1400 return ret; 1401 sc->stats.phy.dsattenuation = (data & 0xff) / 2; 1402 1403 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data); 1404 if (ret < 0) 1405 return ret; 1406 sc->stats.phy.usattenuation = (data & 0xff) / 2; 1407 1408 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin); 1409 if (ret < 0) 1410 return ret; 1411 1412 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin); 1413 if (ret < 0) 1414 return ret; 1415 1416 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow); 1417 if (ret < 0) 1418 return ret; 1419 1420 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow); 1421 if (ret < 0) 1422 return ret; 1423 1424 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc); 1425 if (ret < 0) 1426 return ret; 1427 1428 /* only for atu-c */ 1429 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc); 1430 if (ret < 0) 1431 return ret; 1432 1433 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr); 1434 if (ret < 0) 1435 return ret; 1436 1437 /* only for atu-c */ 1438 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr); 1439 if (ret < 0) 1440 return ret; 1441 1442 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco); 1443 if (ret < 0) 1444 return ret; 1445 1446 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe); 1447 if (ret < 0) 1448 return ret; 1449 1450 return 0; 1451 } 1452 1453 static int uea_stat_e4(struct uea_softc *sc) 1454 { 1455 u32 data; 1456 u32 tmp_arr[2]; 1457 int ret; 1458 1459 uea_enters(INS_TO_USBDEV(sc)); 1460 data = sc->stats.phy.state; 1461 1462 /* XXX only need to be done before operationnal... */ 1463 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state); 1464 if (ret < 0) 1465 return ret; 1466 1467 switch (sc->stats.phy.state) { 1468 case 0x0: /* not yet synchronized */ 1469 case 0x1: 1470 case 0x3: 1471 case 0x4: 1472 uea_dbg(INS_TO_USBDEV(sc), "modem not yet " 1473 "synchronized\n"); 1474 return 0; 1475 case 0x5: /* initialization */ 1476 case 0x6: 1477 case 0x9: 1478 case 0xa: 1479 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1480 return 0; 1481 case 0x2: /* fail ... */ 1482 uea_info(INS_TO_USBDEV(sc), "modem synchronization " 1483 "failed (may be try other cmv/dsp)\n"); 1484 return -EAGAIN; 1485 case 0x7: /* operational */ 1486 break; 1487 default: 1488 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n", 1489 sc->stats.phy.state); 1490 return 0; 1491 } 1492 1493 if (data != 7) { 1494 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1495 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1496 1497 /* release the dsp firmware as it is not needed until 1498 * the next failure 1499 */ 1500 if (sc->dsp_firm) { 1501 release_firmware(sc->dsp_firm); 1502 sc->dsp_firm = NULL; 1503 } 1504 } 1505 1506 /* always update it as atm layer could not be init when we switch to 1507 * operational state 1508 */ 1509 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); 1510 1511 /* wake up processes waiting for synchronization */ 1512 wake_up(&sc->sync_q); 1513 1514 /* TODO improve this state machine : 1515 * we need some CMV info : what they do and their unit 1516 * we should find the equivalent of eagle3- CMV 1517 */ 1518 /* check flags */ 1519 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags); 1520 if (ret < 0) 1521 return ret; 1522 sc->stats.phy.mflags |= sc->stats.phy.flags; 1523 1524 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1525 * we check the status again in order to detect the failure earlier 1526 */ 1527 if (sc->stats.phy.flags) { 1528 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1529 sc->stats.phy.flags); 1530 if (sc->stats.phy.flags & 1) /* delineation LOSS */ 1531 return -EAGAIN; 1532 if (sc->stats.phy.flags & 0x4000) /* Reset Flag */ 1533 return -EAGAIN; 1534 return 0; 1535 } 1536 1537 /* rate data may be in upper or lower half of 64 bit word, strange */ 1538 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr); 1539 if (ret < 0) 1540 return ret; 1541 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1542 sc->stats.phy.usrate = data / 1000; 1543 1544 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr); 1545 if (ret < 0) 1546 return ret; 1547 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1548 uea_set_bulk_timeout(sc, data / 1000); 1549 sc->stats.phy.dsrate = data / 1000; 1550 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1551 1552 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data); 1553 if (ret < 0) 1554 return ret; 1555 sc->stats.phy.dsattenuation = data / 10; 1556 1557 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data); 1558 if (ret < 0) 1559 return ret; 1560 sc->stats.phy.usattenuation = data / 10; 1561 1562 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data); 1563 if (ret < 0) 1564 return ret; 1565 sc->stats.phy.dsmargin = data / 2; 1566 1567 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data); 1568 if (ret < 0) 1569 return ret; 1570 sc->stats.phy.usmargin = data / 10; 1571 1572 return 0; 1573 } 1574 1575 static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver) 1576 { 1577 char file_arr[] = "CMVxy.bin"; 1578 char *file; 1579 1580 kparam_block_sysfs_write(cmv_file); 1581 /* set proper name corresponding modem version and line type */ 1582 if (cmv_file[sc->modem_index] == NULL) { 1583 if (UEA_CHIP_VERSION(sc) == ADI930) 1584 file_arr[3] = '9'; 1585 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1586 file_arr[3] = '4'; 1587 else 1588 file_arr[3] = 'e'; 1589 1590 file_arr[4] = IS_ISDN(sc) ? 'i' : 'p'; 1591 file = file_arr; 1592 } else 1593 file = cmv_file[sc->modem_index]; 1594 1595 strcpy(cmv_name, FW_DIR); 1596 strlcat(cmv_name, file, UEA_FW_NAME_MAX); 1597 if (ver == 2) 1598 strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX); 1599 kparam_unblock_sysfs_write(cmv_file); 1600 } 1601 1602 static int request_cmvs_old(struct uea_softc *sc, 1603 void **cmvs, const struct firmware **fw) 1604 { 1605 int ret, size; 1606 u8 *data; 1607 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1608 1609 cmvs_file_name(sc, cmv_name, 1); 1610 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1611 if (ret < 0) { 1612 uea_err(INS_TO_USBDEV(sc), 1613 "requesting firmware %s failed with error %d\n", 1614 cmv_name, ret); 1615 return ret; 1616 } 1617 1618 data = (u8 *) (*fw)->data; 1619 size = (*fw)->size; 1620 if (size < 1) 1621 goto err_fw_corrupted; 1622 1623 if (size != *data * sizeof(struct uea_cmvs_v1) + 1) 1624 goto err_fw_corrupted; 1625 1626 *cmvs = (void *)(data + 1); 1627 return *data; 1628 1629 err_fw_corrupted: 1630 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1631 release_firmware(*fw); 1632 return -EILSEQ; 1633 } 1634 1635 static int request_cmvs(struct uea_softc *sc, 1636 void **cmvs, const struct firmware **fw, int *ver) 1637 { 1638 int ret, size; 1639 u32 crc; 1640 u8 *data; 1641 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1642 1643 cmvs_file_name(sc, cmv_name, 2); 1644 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1645 if (ret < 0) { 1646 /* if caller can handle old version, try to provide it */ 1647 if (*ver == 1) { 1648 uea_warn(INS_TO_USBDEV(sc), "requesting " 1649 "firmware %s failed, " 1650 "try to get older cmvs\n", cmv_name); 1651 return request_cmvs_old(sc, cmvs, fw); 1652 } 1653 uea_err(INS_TO_USBDEV(sc), 1654 "requesting firmware %s failed with error %d\n", 1655 cmv_name, ret); 1656 return ret; 1657 } 1658 1659 size = (*fw)->size; 1660 data = (u8 *) (*fw)->data; 1661 if (size < 4 || strncmp(data, "cmv2", 4) != 0) { 1662 if (*ver == 1) { 1663 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted," 1664 " try to get older cmvs\n", cmv_name); 1665 release_firmware(*fw); 1666 return request_cmvs_old(sc, cmvs, fw); 1667 } 1668 goto err_fw_corrupted; 1669 } 1670 1671 *ver = 2; 1672 1673 data += 4; 1674 size -= 4; 1675 if (size < 5) 1676 goto err_fw_corrupted; 1677 1678 crc = get_unaligned_le32(data); 1679 data += 4; 1680 size -= 4; 1681 if (crc32_be(0, data, size) != crc) 1682 goto err_fw_corrupted; 1683 1684 if (size != *data * sizeof(struct uea_cmvs_v2) + 1) 1685 goto err_fw_corrupted; 1686 1687 *cmvs = (void *) (data + 1); 1688 return *data; 1689 1690 err_fw_corrupted: 1691 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1692 release_firmware(*fw); 1693 return -EILSEQ; 1694 } 1695 1696 static int uea_send_cmvs_e1(struct uea_softc *sc) 1697 { 1698 int i, ret, len; 1699 void *cmvs_ptr; 1700 const struct firmware *cmvs_fw; 1701 int ver = 1; /* we can handle v1 cmv firmware version; */ 1702 1703 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1704 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1); 1705 if (ret < 0) 1706 return ret; 1707 1708 /* Dump firmware version */ 1709 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid); 1710 if (ret < 0) 1711 return ret; 1712 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1713 sc->stats.phy.firmid); 1714 1715 /* get options */ 1716 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1717 if (ret < 0) 1718 return ret; 1719 1720 /* send options */ 1721 if (ver == 1) { 1722 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr; 1723 1724 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, " 1725 "please update your firmware\n"); 1726 1727 for (i = 0; i < len; i++) { 1728 ret = uea_write_cmv_e1(sc, 1729 get_unaligned_le32(&cmvs_v1[i].address), 1730 get_unaligned_le16(&cmvs_v1[i].offset), 1731 get_unaligned_le32(&cmvs_v1[i].data)); 1732 if (ret < 0) 1733 goto out; 1734 } 1735 } else if (ver == 2) { 1736 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1737 1738 for (i = 0; i < len; i++) { 1739 ret = uea_write_cmv_e1(sc, 1740 get_unaligned_le32(&cmvs_v2[i].address), 1741 (u16) get_unaligned_le32(&cmvs_v2[i].offset), 1742 get_unaligned_le32(&cmvs_v2[i].data)); 1743 if (ret < 0) 1744 goto out; 1745 } 1746 } else { 1747 /* This realy should not happen */ 1748 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1749 goto out; 1750 } 1751 1752 /* Enter in R-ACT-REQ */ 1753 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2); 1754 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1755 uea_info(INS_TO_USBDEV(sc), "modem started, waiting " 1756 "synchronization...\n"); 1757 out: 1758 release_firmware(cmvs_fw); 1759 return ret; 1760 } 1761 1762 static int uea_send_cmvs_e4(struct uea_softc *sc) 1763 { 1764 int i, ret, len; 1765 void *cmvs_ptr; 1766 const struct firmware *cmvs_fw; 1767 int ver = 2; /* we can only handle v2 cmv firmware version; */ 1768 1769 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1770 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1); 1771 if (ret < 0) 1772 return ret; 1773 1774 /* Dump firmware version */ 1775 /* XXX don't read the 3th byte as it is always 6 */ 1776 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid); 1777 if (ret < 0) 1778 return ret; 1779 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1780 sc->stats.phy.firmid); 1781 1782 1783 /* get options */ 1784 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1785 if (ret < 0) 1786 return ret; 1787 1788 /* send options */ 1789 if (ver == 2) { 1790 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1791 1792 for (i = 0; i < len; i++) { 1793 ret = uea_write_cmv_e4(sc, 1, 1794 get_unaligned_le32(&cmvs_v2[i].group), 1795 get_unaligned_le32(&cmvs_v2[i].address), 1796 get_unaligned_le32(&cmvs_v2[i].offset), 1797 get_unaligned_le32(&cmvs_v2[i].data)); 1798 if (ret < 0) 1799 goto out; 1800 } 1801 } else { 1802 /* This realy should not happen */ 1803 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1804 goto out; 1805 } 1806 1807 /* Enter in R-ACT-REQ */ 1808 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2); 1809 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1810 uea_info(INS_TO_USBDEV(sc), "modem started, waiting " 1811 "synchronization...\n"); 1812 out: 1813 release_firmware(cmvs_fw); 1814 return ret; 1815 } 1816 1817 /* Start boot post firmware modem: 1818 * - send reset commands through usb control pipe 1819 * - start workqueue for DSP loading 1820 * - send CMV options to modem 1821 */ 1822 1823 static int uea_start_reset(struct uea_softc *sc) 1824 { 1825 u16 zero = 0; /* ;-) */ 1826 int ret; 1827 1828 uea_enters(INS_TO_USBDEV(sc)); 1829 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n"); 1830 1831 /* mask interrupt */ 1832 sc->booting = 1; 1833 /* We need to set this here because, a ack timeout could have occured, 1834 * but before we start the reboot, the ack occurs and set this to 1. 1835 * So we will failed to wait Ready CMV. 1836 */ 1837 sc->cmv_ack = 0; 1838 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); 1839 1840 /* reset statistics */ 1841 memset(&sc->stats, 0, sizeof(struct uea_stats)); 1842 1843 /* tell the modem that we want to boot in IDMA mode */ 1844 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 1845 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL); 1846 1847 /* enter reset mode */ 1848 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL); 1849 1850 /* original driver use 200ms, but windows driver use 100ms */ 1851 ret = uea_wait(sc, 0, msecs_to_jiffies(100)); 1852 if (ret < 0) 1853 return ret; 1854 1855 /* leave reset mode */ 1856 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL); 1857 1858 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) { 1859 /* clear tx and rx mailboxes */ 1860 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero); 1861 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero); 1862 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero); 1863 } 1864 1865 ret = uea_wait(sc, 0, msecs_to_jiffies(1000)); 1866 if (ret < 0) 1867 return ret; 1868 1869 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1870 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, 1871 E4_MODEMREADY, 1); 1872 else 1873 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, 1874 E1_MODEMREADY); 1875 1876 /* demask interrupt */ 1877 sc->booting = 0; 1878 1879 /* start loading DSP */ 1880 sc->pageno = 0; 1881 sc->ovl = 0; 1882 queue_work(sc->work_q, &sc->task); 1883 1884 /* wait for modem ready CMV */ 1885 ret = wait_cmv_ack(sc); 1886 if (ret < 0) 1887 return ret; 1888 1889 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n"); 1890 1891 ret = sc->send_cmvs(sc); 1892 if (ret < 0) 1893 return ret; 1894 1895 sc->reset = 0; 1896 uea_leaves(INS_TO_USBDEV(sc)); 1897 return ret; 1898 } 1899 1900 /* 1901 * In case of an error wait 1s before rebooting the modem 1902 * if the modem don't request reboot (-EAGAIN). 1903 * Monitor the modem every 1s. 1904 */ 1905 1906 static int uea_kthread(void *data) 1907 { 1908 struct uea_softc *sc = data; 1909 int ret = -EAGAIN; 1910 1911 set_freezable(); 1912 uea_enters(INS_TO_USBDEV(sc)); 1913 while (!kthread_should_stop()) { 1914 if (ret < 0 || sc->reset) 1915 ret = uea_start_reset(sc); 1916 if (!ret) 1917 ret = sc->stat(sc); 1918 if (ret != -EAGAIN) 1919 uea_wait(sc, 0, msecs_to_jiffies(1000)); 1920 try_to_freeze(); 1921 } 1922 uea_leaves(INS_TO_USBDEV(sc)); 1923 return ret; 1924 } 1925 1926 /* Load second usb firmware for ADI930 chip */ 1927 static int load_XILINX_firmware(struct uea_softc *sc) 1928 { 1929 const struct firmware *fw_entry; 1930 int ret, size, u, ln; 1931 const u8 *pfw; 1932 u8 value; 1933 char *fw_name = FW_DIR "930-fpga.bin"; 1934 1935 uea_enters(INS_TO_USBDEV(sc)); 1936 1937 ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev); 1938 if (ret) { 1939 uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n", 1940 fw_name); 1941 goto err0; 1942 } 1943 1944 pfw = fw_entry->data; 1945 size = fw_entry->size; 1946 if (size != 0x577B) { 1947 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 1948 fw_name); 1949 ret = -EILSEQ; 1950 goto err1; 1951 } 1952 for (u = 0; u < size; u += ln) { 1953 ln = min(size - u, 64); 1954 ret = uea_request(sc, 0xe, 0, ln, pfw + u); 1955 if (ret < 0) { 1956 uea_err(INS_TO_USBDEV(sc), 1957 "elsa download data failed (%d)\n", ret); 1958 goto err1; 1959 } 1960 } 1961 1962 /* finish to send the fpga */ 1963 ret = uea_request(sc, 0xe, 1, 0, NULL); 1964 if (ret < 0) { 1965 uea_err(INS_TO_USBDEV(sc), 1966 "elsa download data failed (%d)\n", ret); 1967 goto err1; 1968 } 1969 1970 /* Tell the modem we finish : de-assert reset */ 1971 value = 0; 1972 ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value); 1973 if (ret < 0) 1974 uea_err(sc->usb_dev, "elsa de-assert failed with error" 1975 " %d\n", ret); 1976 1977 err1: 1978 release_firmware(fw_entry); 1979 err0: 1980 uea_leaves(INS_TO_USBDEV(sc)); 1981 return ret; 1982 } 1983 1984 /* The modem send us an ack. First with check if it right */ 1985 static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr) 1986 { 1987 struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1; 1988 struct cmv_e1 *cmv = &intr->u.e1.s2.cmv; 1989 1990 uea_enters(INS_TO_USBDEV(sc)); 1991 if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE) 1992 goto bad1; 1993 1994 if (cmv->bDirection != E1_MODEMTOHOST) 1995 goto bad1; 1996 1997 /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to 1998 * the first MEMACCESS cmv. Ignore it... 1999 */ 2000 if (cmv->bFunction != dsc->function) { 2001 if (UEA_CHIP_VERSION(sc) == ADI930 2002 && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) { 2003 cmv->wIndex = cpu_to_le16(dsc->idx); 2004 put_unaligned_le32(dsc->address, 2005 &cmv->dwSymbolicAddress); 2006 cmv->wOffsetAddress = cpu_to_le16(dsc->offset); 2007 } else 2008 goto bad2; 2009 } 2010 2011 if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, 2012 E1_MODEMREADY)) { 2013 wake_up_cmv_ack(sc); 2014 uea_leaves(INS_TO_USBDEV(sc)); 2015 return; 2016 } 2017 2018 /* in case of MEMACCESS */ 2019 if (le16_to_cpu(cmv->wIndex) != dsc->idx || 2020 get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address || 2021 le16_to_cpu(cmv->wOffsetAddress) != dsc->offset) 2022 goto bad2; 2023 2024 sc->data = get_unaligned_le32(&cmv->dwData); 2025 sc->data = sc->data << 16 | sc->data >> 16; 2026 2027 wake_up_cmv_ack(sc); 2028 uea_leaves(INS_TO_USBDEV(sc)); 2029 return; 2030 2031 bad2: 2032 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2033 "Function : %d, Subfunction : %d\n", 2034 E1_FUNCTION_TYPE(cmv->bFunction), 2035 E1_FUNCTION_SUBTYPE(cmv->bFunction)); 2036 uea_leaves(INS_TO_USBDEV(sc)); 2037 return; 2038 2039 bad1: 2040 uea_err(INS_TO_USBDEV(sc), "invalid cmv received, " 2041 "wPreamble %d, bDirection %d\n", 2042 le16_to_cpu(cmv->wPreamble), cmv->bDirection); 2043 uea_leaves(INS_TO_USBDEV(sc)); 2044 } 2045 2046 /* The modem send us an ack. First with check if it right */ 2047 static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr) 2048 { 2049 struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4; 2050 struct cmv_e4 *cmv = &intr->u.e4.s2.cmv; 2051 2052 uea_enters(INS_TO_USBDEV(sc)); 2053 uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n", 2054 be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction), 2055 be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress), 2056 be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1])); 2057 2058 if (be16_to_cpu(cmv->wFunction) != dsc->function) 2059 goto bad2; 2060 2061 if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, 2062 E4_MODEMREADY, 1)) { 2063 wake_up_cmv_ack(sc); 2064 uea_leaves(INS_TO_USBDEV(sc)); 2065 return; 2066 } 2067 2068 /* in case of MEMACCESS */ 2069 if (be16_to_cpu(cmv->wOffset) != dsc->offset || 2070 be16_to_cpu(cmv->wGroup) != dsc->group || 2071 be16_to_cpu(cmv->wAddress) != dsc->address) 2072 goto bad2; 2073 2074 sc->data = be32_to_cpu(cmv->dwData[0]); 2075 sc->data1 = be32_to_cpu(cmv->dwData[1]); 2076 wake_up_cmv_ack(sc); 2077 uea_leaves(INS_TO_USBDEV(sc)); 2078 return; 2079 2080 bad2: 2081 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2082 "Function : %d, Subfunction : %d\n", 2083 E4_FUNCTION_TYPE(cmv->wFunction), 2084 E4_FUNCTION_SUBTYPE(cmv->wFunction)); 2085 uea_leaves(INS_TO_USBDEV(sc)); 2086 return; 2087 } 2088 2089 static void uea_schedule_load_page_e1(struct uea_softc *sc, 2090 struct intr_pkt *intr) 2091 { 2092 sc->pageno = intr->e1_bSwapPageNo; 2093 sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4; 2094 queue_work(sc->work_q, &sc->task); 2095 } 2096 2097 static void uea_schedule_load_page_e4(struct uea_softc *sc, 2098 struct intr_pkt *intr) 2099 { 2100 sc->pageno = intr->e4_bSwapPageNo; 2101 queue_work(sc->work_q, &sc->task); 2102 } 2103 2104 /* 2105 * interrupt handler 2106 */ 2107 static void uea_intr(struct urb *urb) 2108 { 2109 struct uea_softc *sc = urb->context; 2110 struct intr_pkt *intr = urb->transfer_buffer; 2111 int status = urb->status; 2112 2113 uea_enters(INS_TO_USBDEV(sc)); 2114 2115 if (unlikely(status < 0)) { 2116 uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n", 2117 status); 2118 return; 2119 } 2120 2121 /* device-to-host interrupt */ 2122 if (intr->bType != 0x08 || sc->booting) { 2123 uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n"); 2124 goto resubmit; 2125 } 2126 2127 switch (le16_to_cpu(intr->wInterrupt)) { 2128 case INT_LOADSWAPPAGE: 2129 sc->schedule_load_page(sc, intr); 2130 break; 2131 2132 case INT_INCOMINGCMV: 2133 sc->dispatch_cmv(sc, intr); 2134 break; 2135 2136 default: 2137 uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n", 2138 le16_to_cpu(intr->wInterrupt)); 2139 } 2140 2141 resubmit: 2142 usb_submit_urb(sc->urb_int, GFP_ATOMIC); 2143 } 2144 2145 /* 2146 * Start the modem : init the data and start kernel thread 2147 */ 2148 static int uea_boot(struct uea_softc *sc) 2149 { 2150 int ret, size; 2151 struct intr_pkt *intr; 2152 2153 uea_enters(INS_TO_USBDEV(sc)); 2154 2155 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2156 size = E4_INTR_PKT_SIZE; 2157 sc->dispatch_cmv = uea_dispatch_cmv_e4; 2158 sc->schedule_load_page = uea_schedule_load_page_e4; 2159 sc->stat = uea_stat_e4; 2160 sc->send_cmvs = uea_send_cmvs_e4; 2161 INIT_WORK(&sc->task, uea_load_page_e4); 2162 } else { 2163 size = E1_INTR_PKT_SIZE; 2164 sc->dispatch_cmv = uea_dispatch_cmv_e1; 2165 sc->schedule_load_page = uea_schedule_load_page_e1; 2166 sc->stat = uea_stat_e1; 2167 sc->send_cmvs = uea_send_cmvs_e1; 2168 INIT_WORK(&sc->task, uea_load_page_e1); 2169 } 2170 2171 init_waitqueue_head(&sc->sync_q); 2172 2173 sc->work_q = create_workqueue("ueagle-dsp"); 2174 if (!sc->work_q) { 2175 uea_err(INS_TO_USBDEV(sc), "cannot allocate workqueue\n"); 2176 uea_leaves(INS_TO_USBDEV(sc)); 2177 return -ENOMEM; 2178 } 2179 2180 if (UEA_CHIP_VERSION(sc) == ADI930) 2181 load_XILINX_firmware(sc); 2182 2183 intr = kmalloc(size, GFP_KERNEL); 2184 if (!intr) { 2185 uea_err(INS_TO_USBDEV(sc), 2186 "cannot allocate interrupt package\n"); 2187 goto err0; 2188 } 2189 2190 sc->urb_int = usb_alloc_urb(0, GFP_KERNEL); 2191 if (!sc->urb_int) { 2192 uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n"); 2193 goto err1; 2194 } 2195 2196 usb_fill_int_urb(sc->urb_int, sc->usb_dev, 2197 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE), 2198 intr, size, uea_intr, sc, 2199 sc->usb_dev->actconfig->interface[0]->altsetting[0]. 2200 endpoint[0].desc.bInterval); 2201 2202 ret = usb_submit_urb(sc->urb_int, GFP_KERNEL); 2203 if (ret < 0) { 2204 uea_err(INS_TO_USBDEV(sc), 2205 "urb submition failed with error %d\n", ret); 2206 goto err1; 2207 } 2208 2209 /* Create worker thread, but don't start it here. Start it after 2210 * all usbatm generic initialization is done. 2211 */ 2212 sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm"); 2213 if (IS_ERR(sc->kthread)) { 2214 uea_err(INS_TO_USBDEV(sc), "failed to create thread\n"); 2215 goto err2; 2216 } 2217 2218 uea_leaves(INS_TO_USBDEV(sc)); 2219 return 0; 2220 2221 err2: 2222 usb_kill_urb(sc->urb_int); 2223 err1: 2224 usb_free_urb(sc->urb_int); 2225 sc->urb_int = NULL; 2226 kfree(intr); 2227 err0: 2228 destroy_workqueue(sc->work_q); 2229 uea_leaves(INS_TO_USBDEV(sc)); 2230 return -ENOMEM; 2231 } 2232 2233 /* 2234 * Stop the modem : kill kernel thread and free data 2235 */ 2236 static void uea_stop(struct uea_softc *sc) 2237 { 2238 int ret; 2239 uea_enters(INS_TO_USBDEV(sc)); 2240 ret = kthread_stop(sc->kthread); 2241 uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret); 2242 2243 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 2244 2245 usb_kill_urb(sc->urb_int); 2246 kfree(sc->urb_int->transfer_buffer); 2247 usb_free_urb(sc->urb_int); 2248 2249 /* stop any pending boot process, when no one can schedule work */ 2250 destroy_workqueue(sc->work_q); 2251 2252 if (sc->dsp_firm) 2253 release_firmware(sc->dsp_firm); 2254 uea_leaves(INS_TO_USBDEV(sc)); 2255 } 2256 2257 /* syfs interface */ 2258 static struct uea_softc *dev_to_uea(struct device *dev) 2259 { 2260 struct usb_interface *intf; 2261 struct usbatm_data *usbatm; 2262 2263 intf = to_usb_interface(dev); 2264 if (!intf) 2265 return NULL; 2266 2267 usbatm = usb_get_intfdata(intf); 2268 if (!usbatm) 2269 return NULL; 2270 2271 return usbatm->driver_data; 2272 } 2273 2274 static ssize_t read_status(struct device *dev, struct device_attribute *attr, 2275 char *buf) 2276 { 2277 int ret = -ENODEV; 2278 struct uea_softc *sc; 2279 2280 mutex_lock(&uea_mutex); 2281 sc = dev_to_uea(dev); 2282 if (!sc) 2283 goto out; 2284 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state); 2285 out: 2286 mutex_unlock(&uea_mutex); 2287 return ret; 2288 } 2289 2290 static ssize_t reboot(struct device *dev, struct device_attribute *attr, 2291 const char *buf, size_t count) 2292 { 2293 int ret = -ENODEV; 2294 struct uea_softc *sc; 2295 2296 mutex_lock(&uea_mutex); 2297 sc = dev_to_uea(dev); 2298 if (!sc) 2299 goto out; 2300 sc->reset = 1; 2301 ret = count; 2302 out: 2303 mutex_unlock(&uea_mutex); 2304 return ret; 2305 } 2306 2307 static DEVICE_ATTR(stat_status, S_IWUSR | S_IRUGO, read_status, reboot); 2308 2309 static ssize_t read_human_status(struct device *dev, 2310 struct device_attribute *attr, char *buf) 2311 { 2312 int ret = -ENODEV; 2313 int modem_state; 2314 struct uea_softc *sc; 2315 2316 mutex_lock(&uea_mutex); 2317 sc = dev_to_uea(dev); 2318 if (!sc) 2319 goto out; 2320 2321 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2322 switch (sc->stats.phy.state) { 2323 case 0x0: /* not yet synchronized */ 2324 case 0x1: 2325 case 0x3: 2326 case 0x4: 2327 modem_state = 0; 2328 break; 2329 case 0x5: /* initialization */ 2330 case 0x6: 2331 case 0x9: 2332 case 0xa: 2333 modem_state = 1; 2334 break; 2335 case 0x7: /* operational */ 2336 modem_state = 2; 2337 break; 2338 case 0x2: /* fail ... */ 2339 modem_state = 3; 2340 break; 2341 default: /* unknown */ 2342 modem_state = 4; 2343 break; 2344 } 2345 } else 2346 modem_state = GET_STATUS(sc->stats.phy.state); 2347 2348 switch (modem_state) { 2349 case 0: 2350 ret = sprintf(buf, "Modem is booting\n"); 2351 break; 2352 case 1: 2353 ret = sprintf(buf, "Modem is initializing\n"); 2354 break; 2355 case 2: 2356 ret = sprintf(buf, "Modem is operational\n"); 2357 break; 2358 case 3: 2359 ret = sprintf(buf, "Modem synchronization failed\n"); 2360 break; 2361 default: 2362 ret = sprintf(buf, "Modem state is unknown\n"); 2363 break; 2364 } 2365 out: 2366 mutex_unlock(&uea_mutex); 2367 return ret; 2368 } 2369 2370 static DEVICE_ATTR(stat_human_status, S_IRUGO, read_human_status, NULL); 2371 2372 static ssize_t read_delin(struct device *dev, struct device_attribute *attr, 2373 char *buf) 2374 { 2375 int ret = -ENODEV; 2376 struct uea_softc *sc; 2377 char *delin = "GOOD"; 2378 2379 mutex_lock(&uea_mutex); 2380 sc = dev_to_uea(dev); 2381 if (!sc) 2382 goto out; 2383 2384 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2385 if (sc->stats.phy.flags & 0x4000) 2386 delin = "RESET"; 2387 else if (sc->stats.phy.flags & 0x0001) 2388 delin = "LOSS"; 2389 } else { 2390 if (sc->stats.phy.flags & 0x0C00) 2391 delin = "ERROR"; 2392 else if (sc->stats.phy.flags & 0x0030) 2393 delin = "LOSS"; 2394 } 2395 2396 ret = sprintf(buf, "%s\n", delin); 2397 out: 2398 mutex_unlock(&uea_mutex); 2399 return ret; 2400 } 2401 2402 static DEVICE_ATTR(stat_delin, S_IRUGO, read_delin, NULL); 2403 2404 #define UEA_ATTR(name, reset) \ 2405 \ 2406 static ssize_t read_##name(struct device *dev, \ 2407 struct device_attribute *attr, char *buf) \ 2408 { \ 2409 int ret = -ENODEV; \ 2410 struct uea_softc *sc; \ 2411 \ 2412 mutex_lock(&uea_mutex); \ 2413 sc = dev_to_uea(dev); \ 2414 if (!sc) \ 2415 goto out; \ 2416 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \ 2417 if (reset) \ 2418 sc->stats.phy.name = 0; \ 2419 out: \ 2420 mutex_unlock(&uea_mutex); \ 2421 return ret; \ 2422 } \ 2423 \ 2424 static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL) 2425 2426 UEA_ATTR(mflags, 1); 2427 UEA_ATTR(vidcpe, 0); 2428 UEA_ATTR(usrate, 0); 2429 UEA_ATTR(dsrate, 0); 2430 UEA_ATTR(usattenuation, 0); 2431 UEA_ATTR(dsattenuation, 0); 2432 UEA_ATTR(usmargin, 0); 2433 UEA_ATTR(dsmargin, 0); 2434 UEA_ATTR(txflow, 0); 2435 UEA_ATTR(rxflow, 0); 2436 UEA_ATTR(uscorr, 0); 2437 UEA_ATTR(dscorr, 0); 2438 UEA_ATTR(usunc, 0); 2439 UEA_ATTR(dsunc, 0); 2440 UEA_ATTR(firmid, 0); 2441 2442 /* Retrieve the device End System Identifier (MAC) */ 2443 2444 static int uea_getesi(struct uea_softc *sc, u_char * esi) 2445 { 2446 unsigned char mac_str[2 * ETH_ALEN + 1]; 2447 int i; 2448 if (usb_string 2449 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str, 2450 sizeof(mac_str)) != 2 * ETH_ALEN) 2451 return 1; 2452 2453 for (i = 0; i < ETH_ALEN; i++) 2454 esi[i] = hex_to_bin(mac_str[2 * i]) * 16 + 2455 hex_to_bin(mac_str[2 * i + 1]); 2456 2457 return 0; 2458 } 2459 2460 /* ATM stuff */ 2461 static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev) 2462 { 2463 struct uea_softc *sc = usbatm->driver_data; 2464 2465 return uea_getesi(sc, atm_dev->esi); 2466 } 2467 2468 static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf) 2469 { 2470 struct uea_softc *sc = usbatm->driver_data; 2471 2472 wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc)); 2473 2474 return 0; 2475 2476 } 2477 2478 static int claim_interface(struct usb_device *usb_dev, 2479 struct usbatm_data *usbatm, int ifnum) 2480 { 2481 int ret; 2482 struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum); 2483 2484 if (!intf) { 2485 uea_err(usb_dev, "interface %d not found\n", ifnum); 2486 return -ENODEV; 2487 } 2488 2489 ret = usb_driver_claim_interface(&uea_driver, intf, usbatm); 2490 if (ret != 0) 2491 uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum, 2492 ret); 2493 return ret; 2494 } 2495 2496 static struct attribute *attrs[] = { 2497 &dev_attr_stat_status.attr, 2498 &dev_attr_stat_mflags.attr, 2499 &dev_attr_stat_human_status.attr, 2500 &dev_attr_stat_delin.attr, 2501 &dev_attr_stat_vidcpe.attr, 2502 &dev_attr_stat_usrate.attr, 2503 &dev_attr_stat_dsrate.attr, 2504 &dev_attr_stat_usattenuation.attr, 2505 &dev_attr_stat_dsattenuation.attr, 2506 &dev_attr_stat_usmargin.attr, 2507 &dev_attr_stat_dsmargin.attr, 2508 &dev_attr_stat_txflow.attr, 2509 &dev_attr_stat_rxflow.attr, 2510 &dev_attr_stat_uscorr.attr, 2511 &dev_attr_stat_dscorr.attr, 2512 &dev_attr_stat_usunc.attr, 2513 &dev_attr_stat_dsunc.attr, 2514 &dev_attr_stat_firmid.attr, 2515 NULL, 2516 }; 2517 static struct attribute_group attr_grp = { 2518 .attrs = attrs, 2519 }; 2520 2521 static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, 2522 const struct usb_device_id *id) 2523 { 2524 struct usb_device *usb = interface_to_usbdev(intf); 2525 struct uea_softc *sc; 2526 int ret, ifnum = intf->altsetting->desc.bInterfaceNumber; 2527 unsigned int alt; 2528 2529 uea_enters(usb); 2530 2531 /* interface 0 is for firmware/monitoring */ 2532 if (ifnum != UEA_INTR_IFACE_NO) 2533 return -ENODEV; 2534 2535 usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT); 2536 2537 /* interface 1 is for outbound traffic */ 2538 ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO); 2539 if (ret < 0) 2540 return ret; 2541 2542 /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */ 2543 if (UEA_CHIP_VERSION(id) != ADI930) { 2544 /* interface 2 is for inbound traffic */ 2545 ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO); 2546 if (ret < 0) 2547 return ret; 2548 } 2549 2550 sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL); 2551 if (!sc) { 2552 uea_err(usb, "uea_init: not enough memory !\n"); 2553 return -ENOMEM; 2554 } 2555 2556 sc->usb_dev = usb; 2557 usbatm->driver_data = sc; 2558 sc->usbatm = usbatm; 2559 sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0; 2560 sc->driver_info = id->driver_info; 2561 2562 /* first try to use module parameter */ 2563 if (annex[sc->modem_index] == 1) 2564 sc->annex = ANNEXA; 2565 else if (annex[sc->modem_index] == 2) 2566 sc->annex = ANNEXB; 2567 /* try to autodetect annex */ 2568 else if (sc->driver_info & AUTO_ANNEX_A) 2569 sc->annex = ANNEXA; 2570 else if (sc->driver_info & AUTO_ANNEX_B) 2571 sc->annex = ANNEXB; 2572 else 2573 sc->annex = (le16_to_cpu 2574 (sc->usb_dev->descriptor.bcdDevice) & 0x80) ? ANNEXB : ANNEXA; 2575 2576 alt = altsetting[sc->modem_index]; 2577 /* ADI930 don't support iso */ 2578 if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) { 2579 if (alt <= 8 && 2580 usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) { 2581 uea_dbg(usb, "set alternate %u for 2 interface\n", alt); 2582 uea_info(usb, "using iso mode\n"); 2583 usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ; 2584 } else { 2585 uea_err(usb, "setting alternate %u failed for " 2586 "2 interface, using bulk mode\n", alt); 2587 } 2588 } 2589 2590 ret = sysfs_create_group(&intf->dev.kobj, &attr_grp); 2591 if (ret < 0) 2592 goto error; 2593 2594 ret = uea_boot(sc); 2595 if (ret < 0) 2596 goto error_rm_grp; 2597 2598 return 0; 2599 2600 error_rm_grp: 2601 sysfs_remove_group(&intf->dev.kobj, &attr_grp); 2602 error: 2603 kfree(sc); 2604 return ret; 2605 } 2606 2607 static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) 2608 { 2609 struct uea_softc *sc = usbatm->driver_data; 2610 2611 sysfs_remove_group(&intf->dev.kobj, &attr_grp); 2612 uea_stop(sc); 2613 kfree(sc); 2614 } 2615 2616 static struct usbatm_driver uea_usbatm_driver = { 2617 .driver_name = "ueagle-atm", 2618 .bind = uea_bind, 2619 .atm_start = uea_atm_open, 2620 .unbind = uea_unbind, 2621 .heavy_init = uea_heavy, 2622 .bulk_in = UEA_BULK_DATA_PIPE, 2623 .bulk_out = UEA_BULK_DATA_PIPE, 2624 .isoc_in = UEA_ISO_DATA_PIPE, 2625 }; 2626 2627 static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id) 2628 { 2629 struct usb_device *usb = interface_to_usbdev(intf); 2630 int ret; 2631 2632 uea_enters(usb); 2633 uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n", 2634 le16_to_cpu(usb->descriptor.idVendor), 2635 le16_to_cpu(usb->descriptor.idProduct), 2636 le16_to_cpu(usb->descriptor.bcdDevice), 2637 chip_name[UEA_CHIP_VERSION(id)]); 2638 2639 usb_reset_device(usb); 2640 2641 if (UEA_IS_PREFIRM(id)) 2642 return uea_load_firmware(usb, UEA_CHIP_VERSION(id)); 2643 2644 ret = usbatm_usb_probe(intf, id, &uea_usbatm_driver); 2645 if (ret == 0) { 2646 struct usbatm_data *usbatm = usb_get_intfdata(intf); 2647 struct uea_softc *sc = usbatm->driver_data; 2648 2649 /* Ensure carrier is initialized to off as early as possible */ 2650 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); 2651 2652 /* Only start the worker thread when all init is done */ 2653 wake_up_process(sc->kthread); 2654 } 2655 2656 return ret; 2657 } 2658 2659 static void uea_disconnect(struct usb_interface *intf) 2660 { 2661 struct usb_device *usb = interface_to_usbdev(intf); 2662 int ifnum = intf->altsetting->desc.bInterfaceNumber; 2663 uea_enters(usb); 2664 2665 /* ADI930 has 2 interfaces and eagle 3 interfaces. 2666 * Pre-firmware device has one interface 2667 */ 2668 if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) { 2669 mutex_lock(&uea_mutex); 2670 usbatm_usb_disconnect(intf); 2671 mutex_unlock(&uea_mutex); 2672 uea_info(usb, "ADSL device removed\n"); 2673 } 2674 2675 uea_leaves(usb); 2676 } 2677 2678 /* 2679 * List of supported VID/PID 2680 */ 2681 static const struct usb_device_id uea_ids[] = { 2682 {USB_DEVICE(ANALOG_VID, ADI930_PID_PREFIRM), 2683 .driver_info = ADI930 | PREFIRM}, 2684 {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM), 2685 .driver_info = ADI930 | PSTFIRM}, 2686 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM), 2687 .driver_info = EAGLE_I | PREFIRM}, 2688 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM), 2689 .driver_info = EAGLE_I | PSTFIRM}, 2690 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM), 2691 .driver_info = EAGLE_II | PREFIRM}, 2692 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM), 2693 .driver_info = EAGLE_II | PSTFIRM}, 2694 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM), 2695 .driver_info = EAGLE_II | PREFIRM}, 2696 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM), 2697 .driver_info = EAGLE_II | PSTFIRM}, 2698 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM), 2699 .driver_info = EAGLE_III | PREFIRM}, 2700 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM), 2701 .driver_info = EAGLE_III | PSTFIRM}, 2702 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM), 2703 .driver_info = EAGLE_IV | PREFIRM}, 2704 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM), 2705 .driver_info = EAGLE_IV | PSTFIRM}, 2706 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PREFIRM), 2707 .driver_info = EAGLE_I | PREFIRM}, 2708 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PSTFIRM), 2709 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2710 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PREFIRM), 2711 .driver_info = EAGLE_I | PREFIRM}, 2712 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PSTFIRM), 2713 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2714 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PREFIRM), 2715 .driver_info = EAGLE_II | PREFIRM}, 2716 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PSTFIRM), 2717 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A}, 2718 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PREFIRM), 2719 .driver_info = EAGLE_II | PREFIRM}, 2720 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PSTFIRM), 2721 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B}, 2722 {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), 2723 .driver_info = ADI930 | PREFIRM}, 2724 {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), 2725 .driver_info = ADI930 | PSTFIRM}, 2726 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM), 2727 .driver_info = ADI930 | PREFIRM}, 2728 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM), 2729 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A}, 2730 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM), 2731 .driver_info = ADI930 | PREFIRM}, 2732 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM), 2733 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B}, 2734 {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), 2735 .driver_info = EAGLE_I | PREFIRM}, 2736 {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), 2737 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2738 {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), 2739 .driver_info = EAGLE_I | PREFIRM}, 2740 {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), 2741 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2742 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM), 2743 .driver_info = EAGLE_I | PREFIRM}, 2744 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM), 2745 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2746 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM), 2747 .driver_info = EAGLE_I | PREFIRM}, 2748 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM), 2749 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2750 {} 2751 }; 2752 2753 /* 2754 * USB driver descriptor 2755 */ 2756 static struct usb_driver uea_driver = { 2757 .name = "ueagle-atm", 2758 .id_table = uea_ids, 2759 .probe = uea_probe, 2760 .disconnect = uea_disconnect, 2761 }; 2762 2763 MODULE_DEVICE_TABLE(usb, uea_ids); 2764 2765 /** 2766 * uea_init - Initialize the module. 2767 * Register to USB subsystem 2768 */ 2769 static int __init uea_init(void) 2770 { 2771 printk(KERN_INFO "[ueagle-atm] driver " EAGLEUSBVERSION " loaded\n"); 2772 2773 usb_register(&uea_driver); 2774 2775 return 0; 2776 } 2777 2778 module_init(uea_init); 2779 2780 /** 2781 * uea_exit - Destroy module 2782 * Deregister with USB subsystem 2783 */ 2784 static void __exit uea_exit(void) 2785 { 2786 /* 2787 * This calls automatically the uea_disconnect method if necessary: 2788 */ 2789 usb_deregister(&uea_driver); 2790 2791 printk(KERN_INFO "[ueagle-atm] driver unloaded\n"); 2792 } 2793 2794 module_exit(uea_exit); 2795 2796 MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); 2797 MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); 2798 MODULE_LICENSE("Dual BSD/GPL"); 2799