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