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/crc32.h> 61#include <linux/usb.h> 62#include <linux/firmware.h> 63#include <linux/ctype.h> 64#include <linux/sched.h> 65#include <linux/kthread.h> 66#include <linux/mutex.h> 67#include <linux/freezer.h> 68#include <linux/slab.h> 69#include <linux/kernel.h> 70 71#include <asm/unaligned.h> 72 73#include "usbatm.h" 74 75#define EAGLEUSBVERSION "ueagle 1.4" 76 77 78/* 79 * Debug macros 80 */ 81#define uea_dbg(usb_dev, format, args...) \ 82 do { \ 83 if (debug >= 1) \ 84 dev_dbg(&(usb_dev)->dev, \ 85 "[ueagle-atm dbg] %s: " format, \ 86 __func__, ##args); \ 87 } while (0) 88 89#define uea_vdbg(usb_dev, format, args...) \ 90 do { \ 91 if (debug >= 2) \ 92 dev_dbg(&(usb_dev)->dev, \ 93 "[ueagle-atm vdbg] " format, ##args); \ 94 } while (0) 95 96#define uea_enters(usb_dev) \ 97 uea_vdbg(usb_dev, "entering %s\n" , __func__) 98 99#define uea_leaves(usb_dev) \ 100 uea_vdbg(usb_dev, "leaving %s\n" , __func__) 101 102#define uea_err(usb_dev, format, args...) \ 103 dev_err(&(usb_dev)->dev , "[UEAGLE-ATM] " format , ##args) 104 105#define uea_warn(usb_dev, format, args...) \ 106 dev_warn(&(usb_dev)->dev , "[Ueagle-atm] " format, ##args) 107 108#define uea_info(usb_dev, format, args...) \ 109 dev_info(&(usb_dev)->dev , "[ueagle-atm] " format, ##args) 110 111struct intr_pkt; 112 113/* cmv's from firmware */ 114struct uea_cmvs_v1 { 115 u32 address; 116 u16 offset; 117 u32 data; 118} __packed; 119 120struct uea_cmvs_v2 { 121 u32 group; 122 u32 address; 123 u32 offset; 124 u32 data; 125} __packed; 126 127/* information about currently processed cmv */ 128struct cmv_dsc_e1 { 129 u8 function; 130 u16 idx; 131 u32 address; 132 u16 offset; 133}; 134 135struct cmv_dsc_e4 { 136 u16 function; 137 u16 offset; 138 u16 address; 139 u16 group; 140}; 141 142union cmv_dsc { 143 struct cmv_dsc_e1 e1; 144 struct cmv_dsc_e4 e4; 145}; 146 147struct uea_softc { 148 struct usb_device *usb_dev; 149 struct usbatm_data *usbatm; 150 151 int modem_index; 152 unsigned int driver_info; 153 int annex; 154#define ANNEXA 0 155#define ANNEXB 1 156 157 int booting; 158 int reset; 159 160 wait_queue_head_t sync_q; 161 162 struct task_struct *kthread; 163 u32 data; 164 u32 data1; 165 166 int cmv_ack; 167 union cmv_dsc cmv_dsc; 168 169 struct work_struct task; 170 u16 pageno; 171 u16 ovl; 172 173 const struct firmware *dsp_firm; 174 struct urb *urb_int; 175 176 void (*dispatch_cmv) (struct uea_softc *, struct intr_pkt *); 177 void (*schedule_load_page) (struct uea_softc *, struct intr_pkt *); 178 int (*stat) (struct uea_softc *); 179 int (*send_cmvs) (struct uea_softc *); 180 181 /* keep in sync with eaglectl */ 182 struct uea_stats { 183 struct { 184 u32 state; 185 u32 flags; 186 u32 mflags; 187 u32 vidcpe; 188 u32 vidco; 189 u32 dsrate; 190 u32 usrate; 191 u32 dsunc; 192 u32 usunc; 193 u32 dscorr; 194 u32 uscorr; 195 u32 txflow; 196 u32 rxflow; 197 u32 usattenuation; 198 u32 dsattenuation; 199 u32 dsmargin; 200 u32 usmargin; 201 u32 firmid; 202 } phy; 203 } stats; 204}; 205 206/* 207 * Elsa IDs 208 */ 209#define ELSA_VID 0x05CC 210#define ELSA_PID_PSTFIRM 0x3350 211#define ELSA_PID_PREFIRM 0x3351 212 213#define ELSA_PID_A_PREFIRM 0x3352 214#define ELSA_PID_A_PSTFIRM 0x3353 215#define ELSA_PID_B_PREFIRM 0x3362 216#define ELSA_PID_B_PSTFIRM 0x3363 217 218/* 219 * Devolo IDs : pots if (pid & 0x10) 220 */ 221#define DEVOLO_VID 0x1039 222#define DEVOLO_EAGLE_I_A_PID_PSTFIRM 0x2110 223#define DEVOLO_EAGLE_I_A_PID_PREFIRM 0x2111 224 225#define DEVOLO_EAGLE_I_B_PID_PSTFIRM 0x2100 226#define DEVOLO_EAGLE_I_B_PID_PREFIRM 0x2101 227 228#define DEVOLO_EAGLE_II_A_PID_PSTFIRM 0x2130 229#define DEVOLO_EAGLE_II_A_PID_PREFIRM 0x2131 230 231#define DEVOLO_EAGLE_II_B_PID_PSTFIRM 0x2120 232#define DEVOLO_EAGLE_II_B_PID_PREFIRM 0x2121 233 234/* 235 * Reference design USB IDs 236 */ 237#define ANALOG_VID 0x1110 238#define ADI930_PID_PREFIRM 0x9001 239#define ADI930_PID_PSTFIRM 0x9000 240 241#define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */ 242#define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */ 243 244#define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */ 245#define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */ 246 247#define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */ 248#define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */ 249 250#define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */ 251#define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */ 252 253#define EAGLE_IV_PID_PREFIRM 0x9042 /* Eagle IV */ 254#define EAGLE_IV_PID_PSTFIRM 0x9041 /* Eagle IV */ 255 256/* 257 * USR USB IDs 258 */ 259#define USR_VID 0x0BAF 260#define MILLER_A_PID_PREFIRM 0x00F2 261#define MILLER_A_PID_PSTFIRM 0x00F1 262#define MILLER_B_PID_PREFIRM 0x00FA 263#define MILLER_B_PID_PSTFIRM 0x00F9 264#define HEINEKEN_A_PID_PREFIRM 0x00F6 265#define HEINEKEN_A_PID_PSTFIRM 0x00F5 266#define HEINEKEN_B_PID_PREFIRM 0x00F8 267#define HEINEKEN_B_PID_PSTFIRM 0x00F7 268 269#define PREFIRM 0 270#define PSTFIRM (1<<7) 271#define AUTO_ANNEX_A (1<<8) 272#define AUTO_ANNEX_B (1<<9) 273 274enum { 275 ADI930 = 0, 276 EAGLE_I, 277 EAGLE_II, 278 EAGLE_III, 279 EAGLE_IV 280}; 281 282/* macros for both struct usb_device_id and struct uea_softc */ 283#define UEA_IS_PREFIRM(x) \ 284 (!((x)->driver_info & PSTFIRM)) 285#define UEA_CHIP_VERSION(x) \ 286 ((x)->driver_info & 0xf) 287 288#define IS_ISDN(x) \ 289 ((x)->annex & ANNEXB) 290 291#define INS_TO_USBDEV(ins) (ins->usb_dev) 292 293#define GET_STATUS(data) \ 294 ((data >> 8) & 0xf) 295 296#define IS_OPERATIONAL(sc) \ 297 ((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \ 298 (GET_STATUS(sc->stats.phy.state) == 2) : \ 299 (sc->stats.phy.state == 7)) 300 301/* 302 * Set of macros to handle unaligned data in the firmware blob. 303 * The FW_GET_BYTE() macro is provided only for consistency. 304 */ 305 306#define FW_GET_BYTE(p) (*((__u8 *) (p))) 307 308#define FW_DIR "ueagle-atm/" 309#define EAGLE_FIRMWARE FW_DIR "eagle.fw" 310#define ADI930_FIRMWARE FW_DIR "adi930.fw" 311#define EAGLE_I_FIRMWARE FW_DIR "eagleI.fw" 312#define EAGLE_II_FIRMWARE FW_DIR "eagleII.fw" 313#define EAGLE_III_FIRMWARE FW_DIR "eagleIII.fw" 314#define EAGLE_IV_FIRMWARE FW_DIR "eagleIV.fw" 315 316#define DSP4I_FIRMWARE FW_DIR "DSP4i.bin" 317#define DSP4P_FIRMWARE FW_DIR "DSP4p.bin" 318#define DSP9I_FIRMWARE FW_DIR "DSP9i.bin" 319#define DSP9P_FIRMWARE FW_DIR "DSP9p.bin" 320#define DSPEI_FIRMWARE FW_DIR "DSPei.bin" 321#define DSPEP_FIRMWARE FW_DIR "DSPep.bin" 322#define FPGA930_FIRMWARE FW_DIR "930-fpga.bin" 323 324#define CMV4P_FIRMWARE FW_DIR "CMV4p.bin" 325#define CMV4PV2_FIRMWARE FW_DIR "CMV4p.bin.v2" 326#define CMV4I_FIRMWARE FW_DIR "CMV4i.bin" 327#define CMV4IV2_FIRMWARE FW_DIR "CMV4i.bin.v2" 328#define CMV9P_FIRMWARE FW_DIR "CMV9p.bin" 329#define CMV9PV2_FIRMWARE FW_DIR "CMV9p.bin.v2" 330#define CMV9I_FIRMWARE FW_DIR "CMV9i.bin" 331#define CMV9IV2_FIRMWARE FW_DIR "CMV9i.bin.v2" 332#define CMVEP_FIRMWARE FW_DIR "CMVep.bin" 333#define CMVEPV2_FIRMWARE FW_DIR "CMVep.bin.v2" 334#define CMVEI_FIRMWARE FW_DIR "CMVei.bin" 335#define CMVEIV2_FIRMWARE FW_DIR "CMVei.bin.v2" 336 337#define UEA_FW_NAME_MAX 30 338#define NB_MODEM 4 339 340#define BULK_TIMEOUT 300 341#define CTRL_TIMEOUT 1000 342 343#define ACK_TIMEOUT msecs_to_jiffies(3000) 344 345#define UEA_INTR_IFACE_NO 0 346#define UEA_US_IFACE_NO 1 347#define UEA_DS_IFACE_NO 2 348 349#define FASTEST_ISO_INTF 8 350 351#define UEA_BULK_DATA_PIPE 0x02 352#define UEA_IDMA_PIPE 0x04 353#define UEA_INTR_PIPE 0x04 354#define UEA_ISO_DATA_PIPE 0x08 355 356#define UEA_E1_SET_BLOCK 0x0001 357#define UEA_E4_SET_BLOCK 0x002c 358#define UEA_SET_MODE 0x0003 359#define UEA_SET_2183_DATA 0x0004 360#define UEA_SET_TIMEOUT 0x0011 361 362#define UEA_LOOPBACK_OFF 0x0002 363#define UEA_LOOPBACK_ON 0x0003 364#define UEA_BOOT_IDMA 0x0006 365#define UEA_START_RESET 0x0007 366#define UEA_END_RESET 0x0008 367 368#define UEA_SWAP_MAILBOX (0x3fcd | 0x4000) 369#define UEA_MPTX_START (0x3fce | 0x4000) 370#define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000) 371#define UEA_MPRX_MAILBOX (0x3fdf | 0x4000) 372 373/* block information in eagle4 dsp firmware */ 374struct block_index { 375 __le32 PageOffset; 376 __le32 NotLastBlock; 377 __le32 dummy; 378 __le32 PageSize; 379 __le32 PageAddress; 380 __le16 dummy1; 381 __le16 PageNumber; 382} __packed; 383 384#define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000) 385#define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4) 386 387#define E4_L1_STRING_HEADER 0x10 388#define E4_MAX_PAGE_NUMBER 0x58 389#define E4_NO_SWAPPAGE_HEADERS 0x31 390 391/* l1_code is eagle4 dsp firmware format */ 392struct l1_code { 393 u8 string_header[E4_L1_STRING_HEADER]; 394 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER]; 395 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS]; 396 u8 code[0]; 397} __packed; 398 399/* structures describing a block within a DSP page */ 400struct block_info_e1 { 401 __le16 wHdr; 402 __le16 wAddress; 403 __le16 wSize; 404 __le16 wOvlOffset; 405 __le16 wOvl; /* overlay */ 406 __le16 wLast; 407} __packed; 408#define E1_BLOCK_INFO_SIZE 12 409 410struct block_info_e4 { 411 __be16 wHdr; 412 __u8 bBootPage; 413 __u8 bPageNumber; 414 __be32 dwSize; 415 __be32 dwAddress; 416 __be16 wReserved; 417} __packed; 418#define E4_BLOCK_INFO_SIZE 14 419 420#define UEA_BIHDR 0xabcd 421#define UEA_RESERVED 0xffff 422 423/* constants describing cmv type */ 424#define E1_PREAMBLE 0x535c 425#define E1_MODEMTOHOST 0x01 426#define E1_HOSTTOMODEM 0x10 427 428#define E1_MEMACCESS 0x1 429#define E1_ADSLDIRECTIVE 0x7 430#define E1_FUNCTION_TYPE(f) ((f) >> 4) 431#define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f) 432 433#define E4_MEMACCESS 0 434#define E4_ADSLDIRECTIVE 0xf 435#define E4_FUNCTION_TYPE(f) ((f) >> 8) 436#define E4_FUNCTION_SIZE(f) ((f) & 0x0f) 437#define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f) 438 439/* for MEMACCESS */ 440#define E1_REQUESTREAD 0x0 441#define E1_REQUESTWRITE 0x1 442#define E1_REPLYREAD 0x2 443#define E1_REPLYWRITE 0x3 444 445#define E4_REQUESTREAD 0x0 446#define E4_REQUESTWRITE 0x4 447#define E4_REPLYREAD (E4_REQUESTREAD | 1) 448#define E4_REPLYWRITE (E4_REQUESTWRITE | 1) 449 450/* for ADSLDIRECTIVE */ 451#define E1_KERNELREADY 0x0 452#define E1_MODEMREADY 0x1 453 454#define E4_KERNELREADY 0x0 455#define E4_MODEMREADY 0x1 456 457#define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf)) 458#define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | \ 459 ((st) & 0xf) << 4 | ((s) & 0xf)) 460 461#define E1_MAKESA(a, b, c, d) \ 462 (((c) & 0xff) << 24 | \ 463 ((d) & 0xff) << 16 | \ 464 ((a) & 0xff) << 8 | \ 465 ((b) & 0xff)) 466 467#define E1_GETSA1(a) ((a >> 8) & 0xff) 468#define E1_GETSA2(a) (a & 0xff) 469#define E1_GETSA3(a) ((a >> 24) & 0xff) 470#define E1_GETSA4(a) ((a >> 16) & 0xff) 471 472#define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L') 473#define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G') 474#define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O') 475#define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N') 476#define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E') 477#define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T') 478 479#define E4_SA_CNTL 1 480#define E4_SA_STAT 2 481#define E4_SA_INFO 3 482#define E4_SA_TEST 4 483#define E4_SA_OPTN 5 484#define E4_SA_RATE 6 485#define E4_SA_DIAG 7 486#define E4_SA_CNFG 8 487 488/* structures representing a CMV (Configuration and Management Variable) */ 489struct cmv_e1 { 490 __le16 wPreamble; 491 __u8 bDirection; 492 __u8 bFunction; 493 __le16 wIndex; 494 __le32 dwSymbolicAddress; 495 __le16 wOffsetAddress; 496 __le32 dwData; 497} __packed; 498 499struct cmv_e4 { 500 __be16 wGroup; 501 __be16 wFunction; 502 __be16 wOffset; 503 __be16 wAddress; 504 __be32 dwData[6]; 505} __packed; 506 507/* structures representing swap information */ 508struct swap_info_e1 { 509 __u8 bSwapPageNo; 510 __u8 bOvl; /* overlay */ 511} __packed; 512 513struct swap_info_e4 { 514 __u8 bSwapPageNo; 515} __packed; 516 517/* structures representing interrupt data */ 518#define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo 519#define e1_bOvl u.e1.s1.swapinfo.bOvl 520#define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo 521 522#define INT_LOADSWAPPAGE 0x0001 523#define INT_INCOMINGCMV 0x0002 524 525union intr_data_e1 { 526 struct { 527 struct swap_info_e1 swapinfo; 528 __le16 wDataSize; 529 } __packed s1; 530 struct { 531 struct cmv_e1 cmv; 532 __le16 wDataSize; 533 } __packed s2; 534} __packed; 535 536union intr_data_e4 { 537 struct { 538 struct swap_info_e4 swapinfo; 539 __le16 wDataSize; 540 } __packed s1; 541 struct { 542 struct cmv_e4 cmv; 543 __le16 wDataSize; 544 } __packed s2; 545} __packed; 546 547struct intr_pkt { 548 __u8 bType; 549 __u8 bNotification; 550 __le16 wValue; 551 __le16 wIndex; 552 __le16 wLength; 553 __le16 wInterrupt; 554 union { 555 union intr_data_e1 e1; 556 union intr_data_e4 e4; 557 } u; 558} __packed; 559 560#define E1_INTR_PKT_SIZE 28 561#define E4_INTR_PKT_SIZE 64 562 563static struct usb_driver uea_driver; 564static DEFINE_MUTEX(uea_mutex); 565static const char * const chip_name[] = { 566 "ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"}; 567 568static int modem_index; 569static unsigned int debug; 570static unsigned int altsetting[NB_MODEM] = { 571 [0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF}; 572static bool sync_wait[NB_MODEM]; 573static char *cmv_file[NB_MODEM]; 574static int annex[NB_MODEM]; 575 576module_param(debug, uint, 0644); 577MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)"); 578module_param_array(altsetting, uint, NULL, 0644); 579MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, " 580 "1=isoc slowest, ... , 8=isoc fastest (default)"); 581module_param_array(sync_wait, bool, NULL, 0644); 582MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM"); 583module_param_array(cmv_file, charp, NULL, 0644); 584MODULE_PARM_DESC(cmv_file, 585 "file name with configuration and management variables"); 586module_param_array(annex, uint, NULL, 0644); 587MODULE_PARM_DESC(annex, 588 "manually set annex a/b (0=auto, 1=annex a, 2=annex b)"); 589 590#define uea_wait(sc, cond, timeo) \ 591({ \ 592 int _r = wait_event_interruptible_timeout(sc->sync_q, \ 593 (cond) || kthread_should_stop(), timeo); \ 594 if (kthread_should_stop()) \ 595 _r = -ENODEV; \ 596 _r; \ 597}) 598 599#define UPDATE_ATM_STAT(type, val) \ 600 do { \ 601 if (sc->usbatm->atm_dev) \ 602 sc->usbatm->atm_dev->type = val; \ 603 } while (0) 604 605#define UPDATE_ATM_SIGNAL(val) \ 606 do { \ 607 if (sc->usbatm->atm_dev) \ 608 atm_dev_signal_change(sc->usbatm->atm_dev, val); \ 609 } while (0) 610 611 612/* Firmware loading */ 613#define LOAD_INTERNAL 0xA0 614#define F8051_USBCS 0x7f92 615 616/** 617 * uea_send_modem_cmd - Send a command for pre-firmware devices. 618 */ 619static int uea_send_modem_cmd(struct usb_device *usb, 620 u16 addr, u16 size, const u8 *buff) 621{ 622 int ret = -ENOMEM; 623 u8 *xfer_buff; 624 625 xfer_buff = kmemdup(buff, size, GFP_KERNEL); 626 if (xfer_buff) { 627 ret = usb_control_msg(usb, 628 usb_sndctrlpipe(usb, 0), 629 LOAD_INTERNAL, 630 USB_DIR_OUT | USB_TYPE_VENDOR | 631 USB_RECIP_DEVICE, addr, 0, xfer_buff, 632 size, CTRL_TIMEOUT); 633 kfree(xfer_buff); 634 } 635 636 if (ret < 0) 637 return ret; 638 639 return (ret == size) ? 0 : -EIO; 640} 641 642static void uea_upload_pre_firmware(const struct firmware *fw_entry, 643 void *context) 644{ 645 struct usb_device *usb = context; 646 const u8 *pfw; 647 u8 value; 648 u32 crc = 0; 649 int ret, size; 650 651 uea_enters(usb); 652 if (!fw_entry) { 653 uea_err(usb, "firmware is not available\n"); 654 goto err; 655 } 656 657 pfw = fw_entry->data; 658 size = fw_entry->size; 659 if (size < 4) 660 goto err_fw_corrupted; 661 662 crc = get_unaligned_le32(pfw); 663 pfw += 4; 664 size -= 4; 665 if (crc32_be(0, pfw, size) != crc) 666 goto err_fw_corrupted; 667 668 /* 669 * Start to upload firmware : send reset 670 */ 671 value = 1; 672 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value); 673 674 if (ret < 0) { 675 uea_err(usb, "modem reset failed with error %d\n", ret); 676 goto err; 677 } 678 679 while (size > 3) { 680 u8 len = FW_GET_BYTE(pfw); 681 u16 add = get_unaligned_le16(pfw + 1); 682 683 size -= len + 3; 684 if (size < 0) 685 goto err_fw_corrupted; 686 687 ret = uea_send_modem_cmd(usb, add, len, pfw + 3); 688 if (ret < 0) { 689 uea_err(usb, "uploading firmware data failed " 690 "with error %d\n", ret); 691 goto err; 692 } 693 pfw += len + 3; 694 } 695 696 if (size != 0) 697 goto err_fw_corrupted; 698 699 /* 700 * Tell the modem we finish : de-assert reset 701 */ 702 value = 0; 703 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value); 704 if (ret < 0) 705 uea_err(usb, "modem de-assert failed with error %d\n", ret); 706 else 707 uea_info(usb, "firmware uploaded\n"); 708 709 goto err; 710 711err_fw_corrupted: 712 uea_err(usb, "firmware is corrupted\n"); 713err: 714 release_firmware(fw_entry); 715 uea_leaves(usb); 716} 717 718/** 719 * uea_load_firmware - Load usb firmware for pre-firmware devices. 720 */ 721static int uea_load_firmware(struct usb_device *usb, unsigned int ver) 722{ 723 int ret; 724 char *fw_name = EAGLE_FIRMWARE; 725 726 uea_enters(usb); 727 uea_info(usb, "pre-firmware device, uploading firmware\n"); 728 729 switch (ver) { 730 case ADI930: 731 fw_name = ADI930_FIRMWARE; 732 break; 733 case EAGLE_I: 734 fw_name = EAGLE_I_FIRMWARE; 735 break; 736 case EAGLE_II: 737 fw_name = EAGLE_II_FIRMWARE; 738 break; 739 case EAGLE_III: 740 fw_name = EAGLE_III_FIRMWARE; 741 break; 742 case EAGLE_IV: 743 fw_name = EAGLE_IV_FIRMWARE; 744 break; 745 } 746 747 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, 748 GFP_KERNEL, usb, 749 uea_upload_pre_firmware); 750 if (ret) 751 uea_err(usb, "firmware %s is not available\n", fw_name); 752 else 753 uea_info(usb, "loading firmware %s\n", fw_name); 754 755 uea_leaves(usb); 756 return ret; 757} 758 759/* modem management : dsp firmware, send/read CMV, monitoring statistic 760 */ 761 762/* 763 * Make sure that the DSP code provided is safe to use. 764 */ 765static int check_dsp_e1(const u8 *dsp, unsigned int len) 766{ 767 u8 pagecount, blockcount; 768 u16 blocksize; 769 u32 pageoffset; 770 unsigned int i, j, p, pp; 771 772 pagecount = FW_GET_BYTE(dsp); 773 p = 1; 774 775 /* enough space for page offsets? */ 776 if (p + 4 * pagecount > len) 777 return 1; 778 779 for (i = 0; i < pagecount; i++) { 780 781 pageoffset = get_unaligned_le32(dsp + p); 782 p += 4; 783 784 if (pageoffset == 0) 785 continue; 786 787 /* enough space for blockcount? */ 788 if (pageoffset >= len) 789 return 1; 790 791 pp = pageoffset; 792 blockcount = FW_GET_BYTE(dsp + pp); 793 pp += 1; 794 795 for (j = 0; j < blockcount; j++) { 796 797 /* enough space for block header? */ 798 if (pp + 4 > len) 799 return 1; 800 801 pp += 2; /* skip blockaddr */ 802 blocksize = get_unaligned_le16(dsp + pp); 803 pp += 2; 804 805 /* enough space for block data? */ 806 if (pp + blocksize > len) 807 return 1; 808 809 pp += blocksize; 810 } 811 } 812 813 return 0; 814} 815 816static int check_dsp_e4(const u8 *dsp, int len) 817{ 818 int i; 819 struct l1_code *p = (struct l1_code *) dsp; 820 unsigned int sum = p->code - dsp; 821 822 if (len < sum) 823 return 1; 824 825 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 && 826 strcmp("STRATIPHY ANEXB", p->string_header) != 0) 827 return 1; 828 829 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) { 830 struct block_index *blockidx; 831 u8 blockno = p->page_number_to_block_index[i]; 832 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 833 continue; 834 835 do { 836 u64 l; 837 838 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 839 return 1; 840 841 blockidx = &p->page_header[blockno++]; 842 if ((u8 *)(blockidx + 1) - dsp >= len) 843 return 1; 844 845 if (le16_to_cpu(blockidx->PageNumber) != i) 846 return 1; 847 848 l = E4_PAGE_BYTES(blockidx->PageSize); 849 sum += l; 850 l += le32_to_cpu(blockidx->PageOffset); 851 if (l > len) 852 return 1; 853 854 /* zero is zero regardless endianes */ 855 } while (blockidx->NotLastBlock); 856 } 857 858 return (sum == len) ? 0 : 1; 859} 860 861/* 862 * send data to the idma pipe 863 * */ 864static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size) 865{ 866 int ret = -ENOMEM; 867 u8 *xfer_buff; 868 int bytes_read; 869 870 xfer_buff = kmemdup(data, size, GFP_KERNEL); 871 if (!xfer_buff) { 872 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 873 return ret; 874 } 875 876 ret = usb_bulk_msg(sc->usb_dev, 877 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE), 878 xfer_buff, size, &bytes_read, BULK_TIMEOUT); 879 880 kfree(xfer_buff); 881 if (ret < 0) 882 return ret; 883 if (size != bytes_read) { 884 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size, 885 bytes_read); 886 return -EIO; 887 } 888 889 return 0; 890} 891 892static int request_dsp(struct uea_softc *sc) 893{ 894 int ret; 895 char *dsp_name; 896 897 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 898 if (IS_ISDN(sc)) 899 dsp_name = DSP4I_FIRMWARE; 900 else 901 dsp_name = DSP4P_FIRMWARE; 902 } else if (UEA_CHIP_VERSION(sc) == ADI930) { 903 if (IS_ISDN(sc)) 904 dsp_name = DSP9I_FIRMWARE; 905 else 906 dsp_name = DSP9P_FIRMWARE; 907 } else { 908 if (IS_ISDN(sc)) 909 dsp_name = DSPEI_FIRMWARE; 910 else 911 dsp_name = DSPEP_FIRMWARE; 912 } 913 914 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev); 915 if (ret < 0) { 916 uea_err(INS_TO_USBDEV(sc), 917 "requesting firmware %s failed with error %d\n", 918 dsp_name, ret); 919 return ret; 920 } 921 922 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 923 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size); 924 else 925 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size); 926 927 if (ret) { 928 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 929 dsp_name); 930 release_firmware(sc->dsp_firm); 931 sc->dsp_firm = NULL; 932 return -EILSEQ; 933 } 934 935 return 0; 936} 937 938/* 939 * The uea_load_page() function must be called within a process context 940 */ 941static void uea_load_page_e1(struct work_struct *work) 942{ 943 struct uea_softc *sc = container_of(work, struct uea_softc, task); 944 u16 pageno = sc->pageno; 945 u16 ovl = sc->ovl; 946 struct block_info_e1 bi; 947 948 const u8 *p; 949 u8 pagecount, blockcount; 950 u16 blockaddr, blocksize; 951 u32 pageoffset; 952 int i; 953 954 /* reload firmware when reboot start and it's loaded already */ 955 if (ovl == 0 && pageno == 0 && sc->dsp_firm) { 956 release_firmware(sc->dsp_firm); 957 sc->dsp_firm = NULL; 958 } 959 960 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 961 return; 962 963 p = sc->dsp_firm->data; 964 pagecount = FW_GET_BYTE(p); 965 p += 1; 966 967 if (pageno >= pagecount) 968 goto bad1; 969 970 p += 4 * pageno; 971 pageoffset = get_unaligned_le32(p); 972 973 if (pageoffset == 0) 974 goto bad1; 975 976 p = sc->dsp_firm->data + pageoffset; 977 blockcount = FW_GET_BYTE(p); 978 p += 1; 979 980 uea_dbg(INS_TO_USBDEV(sc), 981 "sending %u blocks for DSP page %u\n", blockcount, pageno); 982 983 bi.wHdr = cpu_to_le16(UEA_BIHDR); 984 bi.wOvl = cpu_to_le16(ovl); 985 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000); 986 987 for (i = 0; i < blockcount; i++) { 988 blockaddr = get_unaligned_le16(p); 989 p += 2; 990 991 blocksize = get_unaligned_le16(p); 992 p += 2; 993 994 bi.wSize = cpu_to_le16(blocksize); 995 bi.wAddress = cpu_to_le16(blockaddr); 996 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0); 997 998 /* send block info through the IDMA pipe */ 999 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE)) 1000 goto bad2; 1001 1002 /* send block data through the IDMA pipe */ 1003 if (uea_idma_write(sc, p, blocksize)) 1004 goto bad2; 1005 1006 p += blocksize; 1007 } 1008 1009 return; 1010 1011bad2: 1012 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i); 1013 return; 1014bad1: 1015 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno); 1016} 1017 1018static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot) 1019{ 1020 struct block_info_e4 bi; 1021 struct block_index *blockidx; 1022 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data; 1023 u8 blockno = p->page_number_to_block_index[pageno]; 1024 1025 bi.wHdr = cpu_to_be16(UEA_BIHDR); 1026 bi.bBootPage = boot; 1027 bi.bPageNumber = pageno; 1028 bi.wReserved = cpu_to_be16(UEA_RESERVED); 1029 1030 do { 1031 const u8 *blockoffset; 1032 unsigned int blocksize; 1033 1034 blockidx = &p->page_header[blockno]; 1035 blocksize = E4_PAGE_BYTES(blockidx->PageSize); 1036 blockoffset = sc->dsp_firm->data + le32_to_cpu( 1037 blockidx->PageOffset); 1038 1039 bi.dwSize = cpu_to_be32(blocksize); 1040 bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress)); 1041 1042 uea_dbg(INS_TO_USBDEV(sc), 1043 "sending block %u for DSP page " 1044 "%u size %u address %x\n", 1045 blockno, pageno, blocksize, 1046 le32_to_cpu(blockidx->PageAddress)); 1047 1048 /* send block info through the IDMA pipe */ 1049 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1050 goto bad; 1051 1052 /* send block data through the IDMA pipe */ 1053 if (uea_idma_write(sc, blockoffset, blocksize)) 1054 goto bad; 1055 1056 blockno++; 1057 } while (blockidx->NotLastBlock); 1058 1059 return; 1060 1061bad: 1062 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno); 1063 return; 1064} 1065 1066static void uea_load_page_e4(struct work_struct *work) 1067{ 1068 struct uea_softc *sc = container_of(work, struct uea_softc, task); 1069 u8 pageno = sc->pageno; 1070 int i; 1071 struct block_info_e4 bi; 1072 struct l1_code *p; 1073 1074 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno); 1075 1076 /* reload firmware when reboot start and it's loaded already */ 1077 if (pageno == 0 && sc->dsp_firm) { 1078 release_firmware(sc->dsp_firm); 1079 sc->dsp_firm = NULL; 1080 } 1081 1082 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 1083 return; 1084 1085 p = (struct l1_code *) sc->dsp_firm->data; 1086 if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) { 1087 uea_err(INS_TO_USBDEV(sc), "invalid DSP " 1088 "page %u requested\n", pageno); 1089 return; 1090 } 1091 1092 if (pageno != 0) { 1093 __uea_load_page_e4(sc, pageno, 0); 1094 return; 1095 } 1096 1097 uea_dbg(INS_TO_USBDEV(sc), 1098 "sending Main DSP page %u\n", p->page_header[0].PageNumber); 1099 1100 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) { 1101 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize)) 1102 __uea_load_page_e4(sc, i, 1); 1103 } 1104 1105 uea_dbg(INS_TO_USBDEV(sc) , "sending start bi\n"); 1106 1107 bi.wHdr = cpu_to_be16(UEA_BIHDR); 1108 bi.bBootPage = 0; 1109 bi.bPageNumber = 0xff; 1110 bi.wReserved = cpu_to_be16(UEA_RESERVED); 1111 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize)); 1112 bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress)); 1113 1114 /* send block info through the IDMA pipe */ 1115 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1116 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n"); 1117} 1118 1119static inline void wake_up_cmv_ack(struct uea_softc *sc) 1120{ 1121 BUG_ON(sc->cmv_ack); 1122 sc->cmv_ack = 1; 1123 wake_up(&sc->sync_q); 1124} 1125 1126static inline int wait_cmv_ack(struct uea_softc *sc) 1127{ 1128 int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT); 1129 1130 sc->cmv_ack = 0; 1131 1132 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n", 1133 jiffies_to_msecs(ret)); 1134 1135 if (ret < 0) 1136 return ret; 1137 1138 return (ret == 0) ? -ETIMEDOUT : 0; 1139} 1140 1141#define UCDC_SEND_ENCAPSULATED_COMMAND 0x00 1142 1143static int uea_request(struct uea_softc *sc, 1144 u16 value, u16 index, u16 size, const void *data) 1145{ 1146 u8 *xfer_buff; 1147 int ret = -ENOMEM; 1148 1149 xfer_buff = kmemdup(data, size, GFP_KERNEL); 1150 if (!xfer_buff) { 1151 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 1152 return ret; 1153 } 1154 1155 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0), 1156 UCDC_SEND_ENCAPSULATED_COMMAND, 1157 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 1158 value, index, xfer_buff, size, CTRL_TIMEOUT); 1159 1160 kfree(xfer_buff); 1161 if (ret < 0) { 1162 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret); 1163 return ret; 1164 } 1165 1166 if (ret != size) { 1167 uea_err(INS_TO_USBDEV(sc), 1168 "usb_control_msg send only %d bytes (instead of %d)\n", 1169 ret, size); 1170 return -EIO; 1171 } 1172 1173 return 0; 1174} 1175 1176static int uea_cmv_e1(struct uea_softc *sc, 1177 u8 function, u32 address, u16 offset, u32 data) 1178{ 1179 struct cmv_e1 cmv; 1180 int ret; 1181 1182 uea_enters(INS_TO_USBDEV(sc)); 1183 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, " 1184 "offset : 0x%04x, data : 0x%08x\n", 1185 E1_FUNCTION_TYPE(function), 1186 E1_FUNCTION_SUBTYPE(function), 1187 E1_GETSA1(address), E1_GETSA2(address), 1188 E1_GETSA3(address), 1189 E1_GETSA4(address), offset, data); 1190 1191 /* we send a request, but we expect a reply */ 1192 sc->cmv_dsc.e1.function = function | 0x2; 1193 sc->cmv_dsc.e1.idx++; 1194 sc->cmv_dsc.e1.address = address; 1195 sc->cmv_dsc.e1.offset = offset; 1196 1197 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE); 1198 cmv.bDirection = E1_HOSTTOMODEM; 1199 cmv.bFunction = function; 1200 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx); 1201 put_unaligned_le32(address, &cmv.dwSymbolicAddress); 1202 cmv.wOffsetAddress = cpu_to_le16(offset); 1203 put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData); 1204 1205 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START, 1206 sizeof(cmv), &cmv); 1207 if (ret < 0) 1208 return ret; 1209 ret = wait_cmv_ack(sc); 1210 uea_leaves(INS_TO_USBDEV(sc)); 1211 return ret; 1212} 1213 1214static int uea_cmv_e4(struct uea_softc *sc, 1215 u16 function, u16 group, u16 address, u16 offset, u32 data) 1216{ 1217 struct cmv_e4 cmv; 1218 int ret; 1219 1220 uea_enters(INS_TO_USBDEV(sc)); 1221 memset(&cmv, 0, sizeof(cmv)); 1222 1223 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, " 1224 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n", 1225 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function), 1226 group, address, offset, data); 1227 1228 /* we send a request, but we expect a reply */ 1229 sc->cmv_dsc.e4.function = function | (0x1 << 4); 1230 sc->cmv_dsc.e4.offset = offset; 1231 sc->cmv_dsc.e4.address = address; 1232 sc->cmv_dsc.e4.group = group; 1233 1234 cmv.wFunction = cpu_to_be16(function); 1235 cmv.wGroup = cpu_to_be16(group); 1236 cmv.wAddress = cpu_to_be16(address); 1237 cmv.wOffset = cpu_to_be16(offset); 1238 cmv.dwData[0] = cpu_to_be32(data); 1239 1240 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START, 1241 sizeof(cmv), &cmv); 1242 if (ret < 0) 1243 return ret; 1244 ret = wait_cmv_ack(sc); 1245 uea_leaves(INS_TO_USBDEV(sc)); 1246 return ret; 1247} 1248 1249static inline int uea_read_cmv_e1(struct uea_softc *sc, 1250 u32 address, u16 offset, u32 *data) 1251{ 1252 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD), 1253 address, offset, 0); 1254 if (ret < 0) 1255 uea_err(INS_TO_USBDEV(sc), 1256 "reading cmv failed with error %d\n", ret); 1257 else 1258 *data = sc->data; 1259 1260 return ret; 1261} 1262 1263static inline int uea_read_cmv_e4(struct uea_softc *sc, 1264 u8 size, u16 group, u16 address, u16 offset, u32 *data) 1265{ 1266 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, 1267 E4_REQUESTREAD, size), 1268 group, address, offset, 0); 1269 if (ret < 0) 1270 uea_err(INS_TO_USBDEV(sc), 1271 "reading cmv failed with error %d\n", ret); 1272 else { 1273 *data = sc->data; 1274 /* size is in 16-bit word quantities */ 1275 if (size > 2) 1276 *(data + 1) = sc->data1; 1277 } 1278 return ret; 1279} 1280 1281static inline int uea_write_cmv_e1(struct uea_softc *sc, 1282 u32 address, u16 offset, u32 data) 1283{ 1284 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE), 1285 address, offset, data); 1286 if (ret < 0) 1287 uea_err(INS_TO_USBDEV(sc), 1288 "writing cmv failed with error %d\n", ret); 1289 1290 return ret; 1291} 1292 1293static inline int uea_write_cmv_e4(struct uea_softc *sc, 1294 u8 size, u16 group, u16 address, u16 offset, u32 data) 1295{ 1296 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, 1297 E4_REQUESTWRITE, size), 1298 group, address, offset, data); 1299 if (ret < 0) 1300 uea_err(INS_TO_USBDEV(sc), 1301 "writing cmv failed with error %d\n", ret); 1302 1303 return ret; 1304} 1305 1306static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate) 1307{ 1308 int ret; 1309 u16 timeout; 1310 1311 /* in bulk mode the modem have problem with high rate 1312 * changing internal timing could improve things, but the 1313 * value is mysterious. 1314 * ADI930 don't support it (-EPIPE error). 1315 */ 1316 1317 if (UEA_CHIP_VERSION(sc) == ADI930 || 1318 altsetting[sc->modem_index] > 0 || 1319 sc->stats.phy.dsrate == dsrate) 1320 return; 1321 1322 /* Original timming (1Mbit/s) from ADI (used in windows driver) */ 1323 timeout = (dsrate <= 1024*1024) ? 0 : 1; 1324 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL); 1325 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n", 1326 timeout, ret < 0 ? " failed" : ""); 1327 1328} 1329 1330/* 1331 * Monitor the modem and update the stat 1332 * return 0 if everything is ok 1333 * return < 0 if an error occurs (-EAGAIN reboot needed) 1334 */ 1335static int uea_stat_e1(struct uea_softc *sc) 1336{ 1337 u32 data; 1338 int ret; 1339 1340 uea_enters(INS_TO_USBDEV(sc)); 1341 data = sc->stats.phy.state; 1342 1343 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state); 1344 if (ret < 0) 1345 return ret; 1346 1347 switch (GET_STATUS(sc->stats.phy.state)) { 1348 case 0: /* not yet synchronized */ 1349 uea_dbg(INS_TO_USBDEV(sc), 1350 "modem not yet synchronized\n"); 1351 return 0; 1352 1353 case 1: /* initialization */ 1354 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1355 return 0; 1356 1357 case 2: /* operational */ 1358 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n"); 1359 break; 1360 1361 case 3: /* fail ... */ 1362 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed" 1363 " (may be try other cmv/dsp)\n"); 1364 return -EAGAIN; 1365 1366 case 4 ... 6: /* test state */ 1367 uea_warn(INS_TO_USBDEV(sc), 1368 "modem in test mode - not supported\n"); 1369 return -EAGAIN; 1370 1371 case 7: /* fast-retain ... */ 1372 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n"); 1373 return 0; 1374 default: 1375 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n", 1376 GET_STATUS(sc->stats.phy.state)); 1377 return -EAGAIN; 1378 } 1379 1380 if (GET_STATUS(data) != 2) { 1381 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1382 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1383 1384 /* release the dsp firmware as it is not needed until 1385 * the next failure 1386 */ 1387 release_firmware(sc->dsp_firm); 1388 sc->dsp_firm = NULL; 1389 } 1390 1391 /* always update it as atm layer could not be init when we switch to 1392 * operational state 1393 */ 1394 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); 1395 1396 /* wake up processes waiting for synchronization */ 1397 wake_up(&sc->sync_q); 1398 1399 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags); 1400 if (ret < 0) 1401 return ret; 1402 sc->stats.phy.mflags |= sc->stats.phy.flags; 1403 1404 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1405 * we check the status again in order to detect the failure earlier 1406 */ 1407 if (sc->stats.phy.flags) { 1408 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1409 sc->stats.phy.flags); 1410 return 0; 1411 } 1412 1413 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data); 1414 if (ret < 0) 1415 return ret; 1416 1417 uea_set_bulk_timeout(sc, (data >> 16) * 32); 1418 sc->stats.phy.dsrate = (data >> 16) * 32; 1419 sc->stats.phy.usrate = (data & 0xffff) * 32; 1420 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1421 1422 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data); 1423 if (ret < 0) 1424 return ret; 1425 sc->stats.phy.dsattenuation = (data & 0xff) / 2; 1426 1427 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data); 1428 if (ret < 0) 1429 return ret; 1430 sc->stats.phy.usattenuation = (data & 0xff) / 2; 1431 1432 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin); 1433 if (ret < 0) 1434 return ret; 1435 1436 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin); 1437 if (ret < 0) 1438 return ret; 1439 1440 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow); 1441 if (ret < 0) 1442 return ret; 1443 1444 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow); 1445 if (ret < 0) 1446 return ret; 1447 1448 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc); 1449 if (ret < 0) 1450 return ret; 1451 1452 /* only for atu-c */ 1453 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc); 1454 if (ret < 0) 1455 return ret; 1456 1457 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr); 1458 if (ret < 0) 1459 return ret; 1460 1461 /* only for atu-c */ 1462 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr); 1463 if (ret < 0) 1464 return ret; 1465 1466 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco); 1467 if (ret < 0) 1468 return ret; 1469 1470 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe); 1471 if (ret < 0) 1472 return ret; 1473 1474 return 0; 1475} 1476 1477static int uea_stat_e4(struct uea_softc *sc) 1478{ 1479 u32 data; 1480 u32 tmp_arr[2]; 1481 int ret; 1482 1483 uea_enters(INS_TO_USBDEV(sc)); 1484 data = sc->stats.phy.state; 1485 1486 /* XXX only need to be done before operationnal... */ 1487 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state); 1488 if (ret < 0) 1489 return ret; 1490 1491 switch (sc->stats.phy.state) { 1492 case 0x0: /* not yet synchronized */ 1493 case 0x1: 1494 case 0x3: 1495 case 0x4: 1496 uea_dbg(INS_TO_USBDEV(sc), "modem not yet " 1497 "synchronized\n"); 1498 return 0; 1499 case 0x5: /* initialization */ 1500 case 0x6: 1501 case 0x9: 1502 case 0xa: 1503 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1504 return 0; 1505 case 0x2: /* fail ... */ 1506 uea_info(INS_TO_USBDEV(sc), "modem synchronization " 1507 "failed (may be try other cmv/dsp)\n"); 1508 return -EAGAIN; 1509 case 0x7: /* operational */ 1510 break; 1511 default: 1512 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n", 1513 sc->stats.phy.state); 1514 return 0; 1515 } 1516 1517 if (data != 7) { 1518 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1519 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1520 1521 /* release the dsp firmware as it is not needed until 1522 * the next failure 1523 */ 1524 release_firmware(sc->dsp_firm); 1525 sc->dsp_firm = NULL; 1526 } 1527 1528 /* always update it as atm layer could not be init when we switch to 1529 * operational state 1530 */ 1531 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); 1532 1533 /* wake up processes waiting for synchronization */ 1534 wake_up(&sc->sync_q); 1535 1536 /* TODO improve this state machine : 1537 * we need some CMV info : what they do and their unit 1538 * we should find the equivalent of eagle3- CMV 1539 */ 1540 /* check flags */ 1541 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags); 1542 if (ret < 0) 1543 return ret; 1544 sc->stats.phy.mflags |= sc->stats.phy.flags; 1545 1546 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1547 * we check the status again in order to detect the failure earlier 1548 */ 1549 if (sc->stats.phy.flags) { 1550 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1551 sc->stats.phy.flags); 1552 if (sc->stats.phy.flags & 1) /* delineation LOSS */ 1553 return -EAGAIN; 1554 if (sc->stats.phy.flags & 0x4000) /* Reset Flag */ 1555 return -EAGAIN; 1556 return 0; 1557 } 1558 1559 /* rate data may be in upper or lower half of 64 bit word, strange */ 1560 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr); 1561 if (ret < 0) 1562 return ret; 1563 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1564 sc->stats.phy.usrate = data / 1000; 1565 1566 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr); 1567 if (ret < 0) 1568 return ret; 1569 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1570 uea_set_bulk_timeout(sc, data / 1000); 1571 sc->stats.phy.dsrate = data / 1000; 1572 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1573 1574 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data); 1575 if (ret < 0) 1576 return ret; 1577 sc->stats.phy.dsattenuation = data / 10; 1578 1579 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data); 1580 if (ret < 0) 1581 return ret; 1582 sc->stats.phy.usattenuation = data / 10; 1583 1584 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data); 1585 if (ret < 0) 1586 return ret; 1587 sc->stats.phy.dsmargin = data / 2; 1588 1589 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data); 1590 if (ret < 0) 1591 return ret; 1592 sc->stats.phy.usmargin = data / 10; 1593 1594 return 0; 1595} 1596 1597static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver) 1598{ 1599 char file_arr[] = "CMVxy.bin"; 1600 char *file; 1601 1602 kparam_block_sysfs_write(cmv_file); 1603 /* set proper name corresponding modem version and line type */ 1604 if (cmv_file[sc->modem_index] == NULL) { 1605 if (UEA_CHIP_VERSION(sc) == ADI930) 1606 file_arr[3] = '9'; 1607 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1608 file_arr[3] = '4'; 1609 else 1610 file_arr[3] = 'e'; 1611 1612 file_arr[4] = IS_ISDN(sc) ? 'i' : 'p'; 1613 file = file_arr; 1614 } else 1615 file = cmv_file[sc->modem_index]; 1616 1617 strcpy(cmv_name, FW_DIR); 1618 strlcat(cmv_name, file, UEA_FW_NAME_MAX); 1619 if (ver == 2) 1620 strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX); 1621 kparam_unblock_sysfs_write(cmv_file); 1622} 1623 1624static int request_cmvs_old(struct uea_softc *sc, 1625 void **cmvs, const struct firmware **fw) 1626{ 1627 int ret, size; 1628 u8 *data; 1629 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1630 1631 cmvs_file_name(sc, cmv_name, 1); 1632 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1633 if (ret < 0) { 1634 uea_err(INS_TO_USBDEV(sc), 1635 "requesting firmware %s failed with error %d\n", 1636 cmv_name, ret); 1637 return ret; 1638 } 1639 1640 data = (u8 *) (*fw)->data; 1641 size = (*fw)->size; 1642 if (size < 1) 1643 goto err_fw_corrupted; 1644 1645 if (size != *data * sizeof(struct uea_cmvs_v1) + 1) 1646 goto err_fw_corrupted; 1647 1648 *cmvs = (void *)(data + 1); 1649 return *data; 1650 1651err_fw_corrupted: 1652 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1653 release_firmware(*fw); 1654 return -EILSEQ; 1655} 1656 1657static int request_cmvs(struct uea_softc *sc, 1658 void **cmvs, const struct firmware **fw, int *ver) 1659{ 1660 int ret, size; 1661 u32 crc; 1662 u8 *data; 1663 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1664 1665 cmvs_file_name(sc, cmv_name, 2); 1666 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1667 if (ret < 0) { 1668 /* if caller can handle old version, try to provide it */ 1669 if (*ver == 1) { 1670 uea_warn(INS_TO_USBDEV(sc), "requesting " 1671 "firmware %s failed, " 1672 "try to get older cmvs\n", cmv_name); 1673 return request_cmvs_old(sc, cmvs, fw); 1674 } 1675 uea_err(INS_TO_USBDEV(sc), 1676 "requesting firmware %s failed with error %d\n", 1677 cmv_name, ret); 1678 return ret; 1679 } 1680 1681 size = (*fw)->size; 1682 data = (u8 *) (*fw)->data; 1683 if (size < 4 || strncmp(data, "cmv2", 4) != 0) { 1684 if (*ver == 1) { 1685 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted," 1686 " try to get older cmvs\n", cmv_name); 1687 release_firmware(*fw); 1688 return request_cmvs_old(sc, cmvs, fw); 1689 } 1690 goto err_fw_corrupted; 1691 } 1692 1693 *ver = 2; 1694 1695 data += 4; 1696 size -= 4; 1697 if (size < 5) 1698 goto err_fw_corrupted; 1699 1700 crc = get_unaligned_le32(data); 1701 data += 4; 1702 size -= 4; 1703 if (crc32_be(0, data, size) != crc) 1704 goto err_fw_corrupted; 1705 1706 if (size != *data * sizeof(struct uea_cmvs_v2) + 1) 1707 goto err_fw_corrupted; 1708 1709 *cmvs = (void *) (data + 1); 1710 return *data; 1711 1712err_fw_corrupted: 1713 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1714 release_firmware(*fw); 1715 return -EILSEQ; 1716} 1717 1718static int uea_send_cmvs_e1(struct uea_softc *sc) 1719{ 1720 int i, ret, len; 1721 void *cmvs_ptr; 1722 const struct firmware *cmvs_fw; 1723 int ver = 1; /* we can handle v1 cmv firmware version; */ 1724 1725 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1726 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1); 1727 if (ret < 0) 1728 return ret; 1729 1730 /* Dump firmware version */ 1731 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid); 1732 if (ret < 0) 1733 return ret; 1734 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1735 sc->stats.phy.firmid); 1736 1737 /* get options */ 1738 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1739 if (ret < 0) 1740 return ret; 1741 1742 /* send options */ 1743 if (ver == 1) { 1744 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr; 1745 1746 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, " 1747 "please update your firmware\n"); 1748 1749 for (i = 0; i < len; i++) { 1750 ret = uea_write_cmv_e1(sc, 1751 get_unaligned_le32(&cmvs_v1[i].address), 1752 get_unaligned_le16(&cmvs_v1[i].offset), 1753 get_unaligned_le32(&cmvs_v1[i].data)); 1754 if (ret < 0) 1755 goto out; 1756 } 1757 } else if (ver == 2) { 1758 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1759 1760 for (i = 0; i < len; i++) { 1761 ret = uea_write_cmv_e1(sc, 1762 get_unaligned_le32(&cmvs_v2[i].address), 1763 (u16) get_unaligned_le32(&cmvs_v2[i].offset), 1764 get_unaligned_le32(&cmvs_v2[i].data)); 1765 if (ret < 0) 1766 goto out; 1767 } 1768 } else { 1769 /* This really should not happen */ 1770 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1771 goto out; 1772 } 1773 1774 /* Enter in R-ACT-REQ */ 1775 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2); 1776 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1777 uea_info(INS_TO_USBDEV(sc), "modem started, waiting " 1778 "synchronization...\n"); 1779out: 1780 release_firmware(cmvs_fw); 1781 return ret; 1782} 1783 1784static int uea_send_cmvs_e4(struct uea_softc *sc) 1785{ 1786 int i, ret, len; 1787 void *cmvs_ptr; 1788 const struct firmware *cmvs_fw; 1789 int ver = 2; /* we can only handle v2 cmv firmware version; */ 1790 1791 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1792 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1); 1793 if (ret < 0) 1794 return ret; 1795 1796 /* Dump firmware version */ 1797 /* XXX don't read the 3th byte as it is always 6 */ 1798 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid); 1799 if (ret < 0) 1800 return ret; 1801 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1802 sc->stats.phy.firmid); 1803 1804 1805 /* get options */ 1806 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1807 if (ret < 0) 1808 return ret; 1809 1810 /* send options */ 1811 if (ver == 2) { 1812 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1813 1814 for (i = 0; i < len; i++) { 1815 ret = uea_write_cmv_e4(sc, 1, 1816 get_unaligned_le32(&cmvs_v2[i].group), 1817 get_unaligned_le32(&cmvs_v2[i].address), 1818 get_unaligned_le32(&cmvs_v2[i].offset), 1819 get_unaligned_le32(&cmvs_v2[i].data)); 1820 if (ret < 0) 1821 goto out; 1822 } 1823 } else { 1824 /* This really should not happen */ 1825 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1826 goto out; 1827 } 1828 1829 /* Enter in R-ACT-REQ */ 1830 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2); 1831 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1832 uea_info(INS_TO_USBDEV(sc), "modem started, waiting " 1833 "synchronization...\n"); 1834out: 1835 release_firmware(cmvs_fw); 1836 return ret; 1837} 1838 1839/* Start boot post firmware modem: 1840 * - send reset commands through usb control pipe 1841 * - start workqueue for DSP loading 1842 * - send CMV options to modem 1843 */ 1844 1845static int uea_start_reset(struct uea_softc *sc) 1846{ 1847 u16 zero = 0; /* ;-) */ 1848 int ret; 1849 1850 uea_enters(INS_TO_USBDEV(sc)); 1851 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n"); 1852 1853 /* mask interrupt */ 1854 sc->booting = 1; 1855 /* We need to set this here because, a ack timeout could have occurred, 1856 * but before we start the reboot, the ack occurs and set this to 1. 1857 * So we will failed to wait Ready CMV. 1858 */ 1859 sc->cmv_ack = 0; 1860 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); 1861 1862 /* reset statistics */ 1863 memset(&sc->stats, 0, sizeof(struct uea_stats)); 1864 1865 /* tell the modem that we want to boot in IDMA mode */ 1866 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 1867 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL); 1868 1869 /* enter reset mode */ 1870 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL); 1871 1872 /* original driver use 200ms, but windows driver use 100ms */ 1873 ret = uea_wait(sc, 0, msecs_to_jiffies(100)); 1874 if (ret < 0) 1875 return ret; 1876 1877 /* leave reset mode */ 1878 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL); 1879 1880 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) { 1881 /* clear tx and rx mailboxes */ 1882 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero); 1883 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero); 1884 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero); 1885 } 1886 1887 ret = uea_wait(sc, 0, msecs_to_jiffies(1000)); 1888 if (ret < 0) 1889 return ret; 1890 1891 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1892 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, 1893 E4_MODEMREADY, 1); 1894 else 1895 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, 1896 E1_MODEMREADY); 1897 1898 /* demask interrupt */ 1899 sc->booting = 0; 1900 1901 /* start loading DSP */ 1902 sc->pageno = 0; 1903 sc->ovl = 0; 1904 schedule_work(&sc->task); 1905 1906 /* wait for modem ready CMV */ 1907 ret = wait_cmv_ack(sc); 1908 if (ret < 0) 1909 return ret; 1910 1911 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n"); 1912 1913 ret = sc->send_cmvs(sc); 1914 if (ret < 0) 1915 return ret; 1916 1917 sc->reset = 0; 1918 uea_leaves(INS_TO_USBDEV(sc)); 1919 return ret; 1920} 1921 1922/* 1923 * In case of an error wait 1s before rebooting the modem 1924 * if the modem don't request reboot (-EAGAIN). 1925 * Monitor the modem every 1s. 1926 */ 1927 1928static int uea_kthread(void *data) 1929{ 1930 struct uea_softc *sc = data; 1931 int ret = -EAGAIN; 1932 1933 set_freezable(); 1934 uea_enters(INS_TO_USBDEV(sc)); 1935 while (!kthread_should_stop()) { 1936 if (ret < 0 || sc->reset) 1937 ret = uea_start_reset(sc); 1938 if (!ret) 1939 ret = sc->stat(sc); 1940 if (ret != -EAGAIN) 1941 uea_wait(sc, 0, msecs_to_jiffies(1000)); 1942 try_to_freeze(); 1943 } 1944 uea_leaves(INS_TO_USBDEV(sc)); 1945 return ret; 1946} 1947 1948/* Load second usb firmware for ADI930 chip */ 1949static int load_XILINX_firmware(struct uea_softc *sc) 1950{ 1951 const struct firmware *fw_entry; 1952 int ret, size, u, ln; 1953 const u8 *pfw; 1954 u8 value; 1955 char *fw_name = FPGA930_FIRMWARE; 1956 1957 uea_enters(INS_TO_USBDEV(sc)); 1958 1959 ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev); 1960 if (ret) { 1961 uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n", 1962 fw_name); 1963 goto err0; 1964 } 1965 1966 pfw = fw_entry->data; 1967 size = fw_entry->size; 1968 if (size != 0x577B) { 1969 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 1970 fw_name); 1971 ret = -EILSEQ; 1972 goto err1; 1973 } 1974 for (u = 0; u < size; u += ln) { 1975 ln = min(size - u, 64); 1976 ret = uea_request(sc, 0xe, 0, ln, pfw + u); 1977 if (ret < 0) { 1978 uea_err(INS_TO_USBDEV(sc), 1979 "elsa download data failed (%d)\n", ret); 1980 goto err1; 1981 } 1982 } 1983 1984 /* finish to send the fpga */ 1985 ret = uea_request(sc, 0xe, 1, 0, NULL); 1986 if (ret < 0) { 1987 uea_err(INS_TO_USBDEV(sc), 1988 "elsa download data failed (%d)\n", ret); 1989 goto err1; 1990 } 1991 1992 /* Tell the modem we finish : de-assert reset */ 1993 value = 0; 1994 ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value); 1995 if (ret < 0) 1996 uea_err(sc->usb_dev, "elsa de-assert failed with error" 1997 " %d\n", ret); 1998 1999err1: 2000 release_firmware(fw_entry); 2001err0: 2002 uea_leaves(INS_TO_USBDEV(sc)); 2003 return ret; 2004} 2005 2006/* The modem send us an ack. First with check if it right */ 2007static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr) 2008{ 2009 struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1; 2010 struct cmv_e1 *cmv = &intr->u.e1.s2.cmv; 2011 2012 uea_enters(INS_TO_USBDEV(sc)); 2013 if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE) 2014 goto bad1; 2015 2016 if (cmv->bDirection != E1_MODEMTOHOST) 2017 goto bad1; 2018 2019 /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to 2020 * the first MEMACCESS cmv. Ignore it... 2021 */ 2022 if (cmv->bFunction != dsc->function) { 2023 if (UEA_CHIP_VERSION(sc) == ADI930 2024 && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) { 2025 cmv->wIndex = cpu_to_le16(dsc->idx); 2026 put_unaligned_le32(dsc->address, 2027 &cmv->dwSymbolicAddress); 2028 cmv->wOffsetAddress = cpu_to_le16(dsc->offset); 2029 } else 2030 goto bad2; 2031 } 2032 2033 if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, 2034 E1_MODEMREADY)) { 2035 wake_up_cmv_ack(sc); 2036 uea_leaves(INS_TO_USBDEV(sc)); 2037 return; 2038 } 2039 2040 /* in case of MEMACCESS */ 2041 if (le16_to_cpu(cmv->wIndex) != dsc->idx || 2042 get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address || 2043 le16_to_cpu(cmv->wOffsetAddress) != dsc->offset) 2044 goto bad2; 2045 2046 sc->data = get_unaligned_le32(&cmv->dwData); 2047 sc->data = sc->data << 16 | sc->data >> 16; 2048 2049 wake_up_cmv_ack(sc); 2050 uea_leaves(INS_TO_USBDEV(sc)); 2051 return; 2052 2053bad2: 2054 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2055 "Function : %d, Subfunction : %d\n", 2056 E1_FUNCTION_TYPE(cmv->bFunction), 2057 E1_FUNCTION_SUBTYPE(cmv->bFunction)); 2058 uea_leaves(INS_TO_USBDEV(sc)); 2059 return; 2060 2061bad1: 2062 uea_err(INS_TO_USBDEV(sc), "invalid cmv received, " 2063 "wPreamble %d, bDirection %d\n", 2064 le16_to_cpu(cmv->wPreamble), cmv->bDirection); 2065 uea_leaves(INS_TO_USBDEV(sc)); 2066} 2067 2068/* The modem send us an ack. First with check if it right */ 2069static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr) 2070{ 2071 struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4; 2072 struct cmv_e4 *cmv = &intr->u.e4.s2.cmv; 2073 2074 uea_enters(INS_TO_USBDEV(sc)); 2075 uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n", 2076 be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction), 2077 be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress), 2078 be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1])); 2079 2080 if (be16_to_cpu(cmv->wFunction) != dsc->function) 2081 goto bad2; 2082 2083 if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, 2084 E4_MODEMREADY, 1)) { 2085 wake_up_cmv_ack(sc); 2086 uea_leaves(INS_TO_USBDEV(sc)); 2087 return; 2088 } 2089 2090 /* in case of MEMACCESS */ 2091 if (be16_to_cpu(cmv->wOffset) != dsc->offset || 2092 be16_to_cpu(cmv->wGroup) != dsc->group || 2093 be16_to_cpu(cmv->wAddress) != dsc->address) 2094 goto bad2; 2095 2096 sc->data = be32_to_cpu(cmv->dwData[0]); 2097 sc->data1 = be32_to_cpu(cmv->dwData[1]); 2098 wake_up_cmv_ack(sc); 2099 uea_leaves(INS_TO_USBDEV(sc)); 2100 return; 2101 2102bad2: 2103 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2104 "Function : %d, Subfunction : %d\n", 2105 E4_FUNCTION_TYPE(cmv->wFunction), 2106 E4_FUNCTION_SUBTYPE(cmv->wFunction)); 2107 uea_leaves(INS_TO_USBDEV(sc)); 2108 return; 2109} 2110 2111static void uea_schedule_load_page_e1(struct uea_softc *sc, 2112 struct intr_pkt *intr) 2113{ 2114 sc->pageno = intr->e1_bSwapPageNo; 2115 sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4; 2116 schedule_work(&sc->task); 2117} 2118 2119static void uea_schedule_load_page_e4(struct uea_softc *sc, 2120 struct intr_pkt *intr) 2121{ 2122 sc->pageno = intr->e4_bSwapPageNo; 2123 schedule_work(&sc->task); 2124} 2125 2126/* 2127 * interrupt handler 2128 */ 2129static void uea_intr(struct urb *urb) 2130{ 2131 struct uea_softc *sc = urb->context; 2132 struct intr_pkt *intr = urb->transfer_buffer; 2133 int status = urb->status; 2134 2135 uea_enters(INS_TO_USBDEV(sc)); 2136 2137 if (unlikely(status < 0)) { 2138 uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n", 2139 status); 2140 return; 2141 } 2142 2143 /* device-to-host interrupt */ 2144 if (intr->bType != 0x08 || sc->booting) { 2145 uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n"); 2146 goto resubmit; 2147 } 2148 2149 switch (le16_to_cpu(intr->wInterrupt)) { 2150 case INT_LOADSWAPPAGE: 2151 sc->schedule_load_page(sc, intr); 2152 break; 2153 2154 case INT_INCOMINGCMV: 2155 sc->dispatch_cmv(sc, intr); 2156 break; 2157 2158 default: 2159 uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n", 2160 le16_to_cpu(intr->wInterrupt)); 2161 } 2162 2163resubmit: 2164 usb_submit_urb(sc->urb_int, GFP_ATOMIC); 2165} 2166 2167/* 2168 * Start the modem : init the data and start kernel thread 2169 */ 2170static int uea_boot(struct uea_softc *sc) 2171{ 2172 int ret, size; 2173 struct intr_pkt *intr; 2174 2175 uea_enters(INS_TO_USBDEV(sc)); 2176 2177 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2178 size = E4_INTR_PKT_SIZE; 2179 sc->dispatch_cmv = uea_dispatch_cmv_e4; 2180 sc->schedule_load_page = uea_schedule_load_page_e4; 2181 sc->stat = uea_stat_e4; 2182 sc->send_cmvs = uea_send_cmvs_e4; 2183 INIT_WORK(&sc->task, uea_load_page_e4); 2184 } else { 2185 size = E1_INTR_PKT_SIZE; 2186 sc->dispatch_cmv = uea_dispatch_cmv_e1; 2187 sc->schedule_load_page = uea_schedule_load_page_e1; 2188 sc->stat = uea_stat_e1; 2189 sc->send_cmvs = uea_send_cmvs_e1; 2190 INIT_WORK(&sc->task, uea_load_page_e1); 2191 } 2192 2193 init_waitqueue_head(&sc->sync_q); 2194 2195 if (UEA_CHIP_VERSION(sc) == ADI930) 2196 load_XILINX_firmware(sc); 2197 2198 intr = kmalloc(size, GFP_KERNEL); 2199 if (!intr) { 2200 uea_err(INS_TO_USBDEV(sc), 2201 "cannot allocate interrupt package\n"); 2202 goto err0; 2203 } 2204 2205 sc->urb_int = usb_alloc_urb(0, GFP_KERNEL); 2206 if (!sc->urb_int) { 2207 uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n"); 2208 goto err1; 2209 } 2210 2211 usb_fill_int_urb(sc->urb_int, sc->usb_dev, 2212 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE), 2213 intr, size, uea_intr, sc, 2214 sc->usb_dev->actconfig->interface[0]->altsetting[0]. 2215 endpoint[0].desc.bInterval); 2216 2217 ret = usb_submit_urb(sc->urb_int, GFP_KERNEL); 2218 if (ret < 0) { 2219 uea_err(INS_TO_USBDEV(sc), 2220 "urb submition failed with error %d\n", ret); 2221 goto err1; 2222 } 2223 2224 /* Create worker thread, but don't start it here. Start it after 2225 * all usbatm generic initialization is done. 2226 */ 2227 sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm"); 2228 if (IS_ERR(sc->kthread)) { 2229 uea_err(INS_TO_USBDEV(sc), "failed to create thread\n"); 2230 goto err2; 2231 } 2232 2233 uea_leaves(INS_TO_USBDEV(sc)); 2234 return 0; 2235 2236err2: 2237 usb_kill_urb(sc->urb_int); 2238err1: 2239 usb_free_urb(sc->urb_int); 2240 sc->urb_int = NULL; 2241 kfree(intr); 2242err0: 2243 uea_leaves(INS_TO_USBDEV(sc)); 2244 return -ENOMEM; 2245} 2246 2247/* 2248 * Stop the modem : kill kernel thread and free data 2249 */ 2250static void uea_stop(struct uea_softc *sc) 2251{ 2252 int ret; 2253 uea_enters(INS_TO_USBDEV(sc)); 2254 ret = kthread_stop(sc->kthread); 2255 uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret); 2256 2257 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 2258 2259 usb_kill_urb(sc->urb_int); 2260 kfree(sc->urb_int->transfer_buffer); 2261 usb_free_urb(sc->urb_int); 2262 2263 /* flush the work item, when no one can schedule it */ 2264 flush_work(&sc->task); 2265 2266 release_firmware(sc->dsp_firm); 2267 uea_leaves(INS_TO_USBDEV(sc)); 2268} 2269 2270/* syfs interface */ 2271static struct uea_softc *dev_to_uea(struct device *dev) 2272{ 2273 struct usb_interface *intf; 2274 struct usbatm_data *usbatm; 2275 2276 intf = to_usb_interface(dev); 2277 if (!intf) 2278 return NULL; 2279 2280 usbatm = usb_get_intfdata(intf); 2281 if (!usbatm) 2282 return NULL; 2283 2284 return usbatm->driver_data; 2285} 2286 2287static ssize_t read_status(struct device *dev, struct device_attribute *attr, 2288 char *buf) 2289{ 2290 int ret = -ENODEV; 2291 struct uea_softc *sc; 2292 2293 mutex_lock(&uea_mutex); 2294 sc = dev_to_uea(dev); 2295 if (!sc) 2296 goto out; 2297 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state); 2298out: 2299 mutex_unlock(&uea_mutex); 2300 return ret; 2301} 2302 2303static ssize_t reboot(struct device *dev, struct device_attribute *attr, 2304 const char *buf, size_t count) 2305{ 2306 int ret = -ENODEV; 2307 struct uea_softc *sc; 2308 2309 mutex_lock(&uea_mutex); 2310 sc = dev_to_uea(dev); 2311 if (!sc) 2312 goto out; 2313 sc->reset = 1; 2314 ret = count; 2315out: 2316 mutex_unlock(&uea_mutex); 2317 return ret; 2318} 2319 2320static DEVICE_ATTR(stat_status, S_IWUSR | S_IRUGO, read_status, reboot); 2321 2322static ssize_t read_human_status(struct device *dev, 2323 struct device_attribute *attr, char *buf) 2324{ 2325 int ret = -ENODEV; 2326 int modem_state; 2327 struct uea_softc *sc; 2328 2329 mutex_lock(&uea_mutex); 2330 sc = dev_to_uea(dev); 2331 if (!sc) 2332 goto out; 2333 2334 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2335 switch (sc->stats.phy.state) { 2336 case 0x0: /* not yet synchronized */ 2337 case 0x1: 2338 case 0x3: 2339 case 0x4: 2340 modem_state = 0; 2341 break; 2342 case 0x5: /* initialization */ 2343 case 0x6: 2344 case 0x9: 2345 case 0xa: 2346 modem_state = 1; 2347 break; 2348 case 0x7: /* operational */ 2349 modem_state = 2; 2350 break; 2351 case 0x2: /* fail ... */ 2352 modem_state = 3; 2353 break; 2354 default: /* unknown */ 2355 modem_state = 4; 2356 break; 2357 } 2358 } else 2359 modem_state = GET_STATUS(sc->stats.phy.state); 2360 2361 switch (modem_state) { 2362 case 0: 2363 ret = sprintf(buf, "Modem is booting\n"); 2364 break; 2365 case 1: 2366 ret = sprintf(buf, "Modem is initializing\n"); 2367 break; 2368 case 2: 2369 ret = sprintf(buf, "Modem is operational\n"); 2370 break; 2371 case 3: 2372 ret = sprintf(buf, "Modem synchronization failed\n"); 2373 break; 2374 default: 2375 ret = sprintf(buf, "Modem state is unknown\n"); 2376 break; 2377 } 2378out: 2379 mutex_unlock(&uea_mutex); 2380 return ret; 2381} 2382 2383static DEVICE_ATTR(stat_human_status, S_IRUGO, read_human_status, NULL); 2384 2385static ssize_t read_delin(struct device *dev, struct device_attribute *attr, 2386 char *buf) 2387{ 2388 int ret = -ENODEV; 2389 struct uea_softc *sc; 2390 char *delin = "GOOD"; 2391 2392 mutex_lock(&uea_mutex); 2393 sc = dev_to_uea(dev); 2394 if (!sc) 2395 goto out; 2396 2397 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2398 if (sc->stats.phy.flags & 0x4000) 2399 delin = "RESET"; 2400 else if (sc->stats.phy.flags & 0x0001) 2401 delin = "LOSS"; 2402 } else { 2403 if (sc->stats.phy.flags & 0x0C00) 2404 delin = "ERROR"; 2405 else if (sc->stats.phy.flags & 0x0030) 2406 delin = "LOSS"; 2407 } 2408 2409 ret = sprintf(buf, "%s\n", delin); 2410out: 2411 mutex_unlock(&uea_mutex); 2412 return ret; 2413} 2414 2415static DEVICE_ATTR(stat_delin, S_IRUGO, read_delin, NULL); 2416 2417#define UEA_ATTR(name, reset) \ 2418 \ 2419static ssize_t read_##name(struct device *dev, \ 2420 struct device_attribute *attr, char *buf) \ 2421{ \ 2422 int ret = -ENODEV; \ 2423 struct uea_softc *sc; \ 2424 \ 2425 mutex_lock(&uea_mutex); \ 2426 sc = dev_to_uea(dev); \ 2427 if (!sc) \ 2428 goto out; \ 2429 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \ 2430 if (reset) \ 2431 sc->stats.phy.name = 0; \ 2432out: \ 2433 mutex_unlock(&uea_mutex); \ 2434 return ret; \ 2435} \ 2436 \ 2437static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL) 2438 2439UEA_ATTR(mflags, 1); 2440UEA_ATTR(vidcpe, 0); 2441UEA_ATTR(usrate, 0); 2442UEA_ATTR(dsrate, 0); 2443UEA_ATTR(usattenuation, 0); 2444UEA_ATTR(dsattenuation, 0); 2445UEA_ATTR(usmargin, 0); 2446UEA_ATTR(dsmargin, 0); 2447UEA_ATTR(txflow, 0); 2448UEA_ATTR(rxflow, 0); 2449UEA_ATTR(uscorr, 0); 2450UEA_ATTR(dscorr, 0); 2451UEA_ATTR(usunc, 0); 2452UEA_ATTR(dsunc, 0); 2453UEA_ATTR(firmid, 0); 2454 2455/* Retrieve the device End System Identifier (MAC) */ 2456 2457static int uea_getesi(struct uea_softc *sc, u_char * esi) 2458{ 2459 unsigned char mac_str[2 * ETH_ALEN + 1]; 2460 int i; 2461 if (usb_string 2462 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str, 2463 sizeof(mac_str)) != 2 * ETH_ALEN) 2464 return 1; 2465 2466 for (i = 0; i < ETH_ALEN; i++) 2467 esi[i] = hex_to_bin(mac_str[2 * i]) * 16 + 2468 hex_to_bin(mac_str[2 * i + 1]); 2469 2470 return 0; 2471} 2472 2473/* ATM stuff */ 2474static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev) 2475{ 2476 struct uea_softc *sc = usbatm->driver_data; 2477 2478 return uea_getesi(sc, atm_dev->esi); 2479} 2480 2481static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf) 2482{ 2483 struct uea_softc *sc = usbatm->driver_data; 2484 2485 wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc)); 2486 2487 return 0; 2488 2489} 2490 2491static int claim_interface(struct usb_device *usb_dev, 2492 struct usbatm_data *usbatm, int ifnum) 2493{ 2494 int ret; 2495 struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum); 2496 2497 if (!intf) { 2498 uea_err(usb_dev, "interface %d not found\n", ifnum); 2499 return -ENODEV; 2500 } 2501 2502 ret = usb_driver_claim_interface(&uea_driver, intf, usbatm); 2503 if (ret != 0) 2504 uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum, 2505 ret); 2506 return ret; 2507} 2508 2509static struct attribute *attrs[] = { 2510 &dev_attr_stat_status.attr, 2511 &dev_attr_stat_mflags.attr, 2512 &dev_attr_stat_human_status.attr, 2513 &dev_attr_stat_delin.attr, 2514 &dev_attr_stat_vidcpe.attr, 2515 &dev_attr_stat_usrate.attr, 2516 &dev_attr_stat_dsrate.attr, 2517 &dev_attr_stat_usattenuation.attr, 2518 &dev_attr_stat_dsattenuation.attr, 2519 &dev_attr_stat_usmargin.attr, 2520 &dev_attr_stat_dsmargin.attr, 2521 &dev_attr_stat_txflow.attr, 2522 &dev_attr_stat_rxflow.attr, 2523 &dev_attr_stat_uscorr.attr, 2524 &dev_attr_stat_dscorr.attr, 2525 &dev_attr_stat_usunc.attr, 2526 &dev_attr_stat_dsunc.attr, 2527 &dev_attr_stat_firmid.attr, 2528 NULL, 2529}; 2530static struct attribute_group attr_grp = { 2531 .attrs = attrs, 2532}; 2533 2534static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, 2535 const struct usb_device_id *id) 2536{ 2537 struct usb_device *usb = interface_to_usbdev(intf); 2538 struct uea_softc *sc; 2539 int ret, ifnum = intf->altsetting->desc.bInterfaceNumber; 2540 unsigned int alt; 2541 2542 uea_enters(usb); 2543 2544 /* interface 0 is for firmware/monitoring */ 2545 if (ifnum != UEA_INTR_IFACE_NO) 2546 return -ENODEV; 2547 2548 usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT); 2549 2550 /* interface 1 is for outbound traffic */ 2551 ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO); 2552 if (ret < 0) 2553 return ret; 2554 2555 /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */ 2556 if (UEA_CHIP_VERSION(id) != ADI930) { 2557 /* interface 2 is for inbound traffic */ 2558 ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO); 2559 if (ret < 0) 2560 return ret; 2561 } 2562 2563 sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL); 2564 if (!sc) { 2565 uea_err(usb, "uea_init: not enough memory !\n"); 2566 return -ENOMEM; 2567 } 2568 2569 sc->usb_dev = usb; 2570 usbatm->driver_data = sc; 2571 sc->usbatm = usbatm; 2572 sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0; 2573 sc->driver_info = id->driver_info; 2574 2575 /* first try to use module parameter */ 2576 if (annex[sc->modem_index] == 1) 2577 sc->annex = ANNEXA; 2578 else if (annex[sc->modem_index] == 2) 2579 sc->annex = ANNEXB; 2580 /* try to autodetect annex */ 2581 else if (sc->driver_info & AUTO_ANNEX_A) 2582 sc->annex = ANNEXA; 2583 else if (sc->driver_info & AUTO_ANNEX_B) 2584 sc->annex = ANNEXB; 2585 else 2586 sc->annex = (le16_to_cpu 2587 (sc->usb_dev->descriptor.bcdDevice) & 0x80) ? ANNEXB : ANNEXA; 2588 2589 alt = altsetting[sc->modem_index]; 2590 /* ADI930 don't support iso */ 2591 if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) { 2592 if (alt <= 8 && 2593 usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) { 2594 uea_dbg(usb, "set alternate %u for 2 interface\n", alt); 2595 uea_info(usb, "using iso mode\n"); 2596 usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ; 2597 } else { 2598 uea_err(usb, "setting alternate %u failed for " 2599 "2 interface, using bulk mode\n", alt); 2600 } 2601 } 2602 2603 ret = sysfs_create_group(&intf->dev.kobj, &attr_grp); 2604 if (ret < 0) 2605 goto error; 2606 2607 ret = uea_boot(sc); 2608 if (ret < 0) 2609 goto error_rm_grp; 2610 2611 return 0; 2612 2613error_rm_grp: 2614 sysfs_remove_group(&intf->dev.kobj, &attr_grp); 2615error: 2616 kfree(sc); 2617 return ret; 2618} 2619 2620static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) 2621{ 2622 struct uea_softc *sc = usbatm->driver_data; 2623 2624 sysfs_remove_group(&intf->dev.kobj, &attr_grp); 2625 uea_stop(sc); 2626 kfree(sc); 2627} 2628 2629static struct usbatm_driver uea_usbatm_driver = { 2630 .driver_name = "ueagle-atm", 2631 .bind = uea_bind, 2632 .atm_start = uea_atm_open, 2633 .unbind = uea_unbind, 2634 .heavy_init = uea_heavy, 2635 .bulk_in = UEA_BULK_DATA_PIPE, 2636 .bulk_out = UEA_BULK_DATA_PIPE, 2637 .isoc_in = UEA_ISO_DATA_PIPE, 2638}; 2639 2640static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id) 2641{ 2642 struct usb_device *usb = interface_to_usbdev(intf); 2643 int ret; 2644 2645 uea_enters(usb); 2646 uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n", 2647 le16_to_cpu(usb->descriptor.idVendor), 2648 le16_to_cpu(usb->descriptor.idProduct), 2649 le16_to_cpu(usb->descriptor.bcdDevice), 2650 chip_name[UEA_CHIP_VERSION(id)]); 2651 2652 usb_reset_device(usb); 2653 2654 if (UEA_IS_PREFIRM(id)) 2655 return uea_load_firmware(usb, UEA_CHIP_VERSION(id)); 2656 2657 ret = usbatm_usb_probe(intf, id, &uea_usbatm_driver); 2658 if (ret == 0) { 2659 struct usbatm_data *usbatm = usb_get_intfdata(intf); 2660 struct uea_softc *sc = usbatm->driver_data; 2661 2662 /* Ensure carrier is initialized to off as early as possible */ 2663 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); 2664 2665 /* Only start the worker thread when all init is done */ 2666 wake_up_process(sc->kthread); 2667 } 2668 2669 return ret; 2670} 2671 2672static void uea_disconnect(struct usb_interface *intf) 2673{ 2674 struct usb_device *usb = interface_to_usbdev(intf); 2675 int ifnum = intf->altsetting->desc.bInterfaceNumber; 2676 uea_enters(usb); 2677 2678 /* ADI930 has 2 interfaces and eagle 3 interfaces. 2679 * Pre-firmware device has one interface 2680 */ 2681 if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) { 2682 mutex_lock(&uea_mutex); 2683 usbatm_usb_disconnect(intf); 2684 mutex_unlock(&uea_mutex); 2685 uea_info(usb, "ADSL device removed\n"); 2686 } 2687 2688 uea_leaves(usb); 2689} 2690 2691/* 2692 * List of supported VID/PID 2693 */ 2694static const struct usb_device_id uea_ids[] = { 2695 {USB_DEVICE(ANALOG_VID, ADI930_PID_PREFIRM), 2696 .driver_info = ADI930 | PREFIRM}, 2697 {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM), 2698 .driver_info = ADI930 | PSTFIRM}, 2699 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM), 2700 .driver_info = EAGLE_I | PREFIRM}, 2701 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM), 2702 .driver_info = EAGLE_I | PSTFIRM}, 2703 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM), 2704 .driver_info = EAGLE_II | PREFIRM}, 2705 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM), 2706 .driver_info = EAGLE_II | PSTFIRM}, 2707 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM), 2708 .driver_info = EAGLE_II | PREFIRM}, 2709 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM), 2710 .driver_info = EAGLE_II | PSTFIRM}, 2711 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM), 2712 .driver_info = EAGLE_III | PREFIRM}, 2713 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM), 2714 .driver_info = EAGLE_III | PSTFIRM}, 2715 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM), 2716 .driver_info = EAGLE_IV | PREFIRM}, 2717 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM), 2718 .driver_info = EAGLE_IV | PSTFIRM}, 2719 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PREFIRM), 2720 .driver_info = EAGLE_I | PREFIRM}, 2721 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PSTFIRM), 2722 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2723 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PREFIRM), 2724 .driver_info = EAGLE_I | PREFIRM}, 2725 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PSTFIRM), 2726 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2727 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PREFIRM), 2728 .driver_info = EAGLE_II | PREFIRM}, 2729 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PSTFIRM), 2730 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A}, 2731 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PREFIRM), 2732 .driver_info = EAGLE_II | PREFIRM}, 2733 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PSTFIRM), 2734 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B}, 2735 {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), 2736 .driver_info = ADI930 | PREFIRM}, 2737 {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), 2738 .driver_info = ADI930 | PSTFIRM}, 2739 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM), 2740 .driver_info = ADI930 | PREFIRM}, 2741 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM), 2742 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A}, 2743 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM), 2744 .driver_info = ADI930 | PREFIRM}, 2745 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM), 2746 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B}, 2747 {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), 2748 .driver_info = EAGLE_I | PREFIRM}, 2749 {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), 2750 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2751 {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), 2752 .driver_info = EAGLE_I | PREFIRM}, 2753 {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), 2754 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2755 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM), 2756 .driver_info = EAGLE_I | PREFIRM}, 2757 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM), 2758 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2759 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM), 2760 .driver_info = EAGLE_I | PREFIRM}, 2761 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM), 2762 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2763 {} 2764}; 2765 2766/* 2767 * USB driver descriptor 2768 */ 2769static struct usb_driver uea_driver = { 2770 .name = "ueagle-atm", 2771 .id_table = uea_ids, 2772 .probe = uea_probe, 2773 .disconnect = uea_disconnect, 2774}; 2775 2776MODULE_DEVICE_TABLE(usb, uea_ids); 2777 2778module_usb_driver(uea_driver); 2779 2780MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); 2781MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); 2782MODULE_LICENSE("Dual BSD/GPL"); 2783MODULE_FIRMWARE(EAGLE_FIRMWARE); 2784MODULE_FIRMWARE(ADI930_FIRMWARE); 2785MODULE_FIRMWARE(EAGLE_I_FIRMWARE); 2786MODULE_FIRMWARE(EAGLE_II_FIRMWARE); 2787MODULE_FIRMWARE(EAGLE_III_FIRMWARE); 2788MODULE_FIRMWARE(EAGLE_IV_FIRMWARE); 2789MODULE_FIRMWARE(DSP4I_FIRMWARE); 2790MODULE_FIRMWARE(DSP4P_FIRMWARE); 2791MODULE_FIRMWARE(DSP9I_FIRMWARE); 2792MODULE_FIRMWARE(DSP9P_FIRMWARE); 2793MODULE_FIRMWARE(DSPEI_FIRMWARE); 2794MODULE_FIRMWARE(DSPEP_FIRMWARE); 2795MODULE_FIRMWARE(FPGA930_FIRMWARE); 2796MODULE_FIRMWARE(CMV4P_FIRMWARE); 2797MODULE_FIRMWARE(CMV4PV2_FIRMWARE); 2798MODULE_FIRMWARE(CMV4I_FIRMWARE); 2799MODULE_FIRMWARE(CMV4IV2_FIRMWARE); 2800MODULE_FIRMWARE(CMV9P_FIRMWARE); 2801MODULE_FIRMWARE(CMV9PV2_FIRMWARE); 2802MODULE_FIRMWARE(CMV9I_FIRMWARE); 2803MODULE_FIRMWARE(CMV9IV2_FIRMWARE); 2804MODULE_FIRMWARE(CMVEP_FIRMWARE); 2805MODULE_FIRMWARE(CMVEPV2_FIRMWARE); 2806MODULE_FIRMWARE(CMVEI_FIRMWARE); 2807MODULE_FIRMWARE(CMVEIV2_FIRMWARE); 2808