1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause) 2 /* 3 * Copyright (c) 2003, 2004 4 * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 5 * 6 * Copyright (c) 2005-2007 Matthieu Castet <castet.matthieu@free.fr> 7 * Copyright (c) 2005-2007 Stanislaw Gruszka <stf_xl@wp.pl> 8 * 9 * HISTORY : some part of the code was base on ueagle 1.3 BSD driver, 10 * Damien Bergamini agree to put his code under a DUAL GPL/BSD license. 11 * 12 * The rest of the code was rewritten from scratch. 13 */ 14 15 #include <linux/module.h> 16 #include <linux/moduleparam.h> 17 #include <linux/crc32.h> 18 #include <linux/hex.h> 19 #include <linux/usb.h> 20 #include <linux/firmware.h> 21 #include <linux/ctype.h> 22 #include <linux/sched.h> 23 #include <linux/kthread.h> 24 #include <linux/mutex.h> 25 #include <linux/freezer.h> 26 #include <linux/slab.h> 27 #include <linux/kernel.h> 28 29 #include <linux/unaligned.h> 30 31 #include "usbatm.h" 32 33 #define EAGLEUSBVERSION "ueagle 1.4" 34 35 36 /* 37 * Debug macros 38 */ 39 #define uea_dbg(usb_dev, format, args...) \ 40 do { \ 41 if (debug >= 1) \ 42 dev_dbg(&(usb_dev)->dev, \ 43 "[ueagle-atm dbg] %s: " format, \ 44 __func__, ##args); \ 45 } while (0) 46 47 #define uea_vdbg(usb_dev, format, args...) \ 48 do { \ 49 if (debug >= 2) \ 50 dev_dbg(&(usb_dev)->dev, \ 51 "[ueagle-atm vdbg] " format, ##args); \ 52 } while (0) 53 54 #define uea_enters(usb_dev) \ 55 uea_vdbg(usb_dev, "entering %s\n" , __func__) 56 57 #define uea_leaves(usb_dev) \ 58 uea_vdbg(usb_dev, "leaving %s\n" , __func__) 59 60 #define uea_err(usb_dev, format, args...) \ 61 dev_err(&(usb_dev)->dev , "[UEAGLE-ATM] " format , ##args) 62 63 #define uea_warn(usb_dev, format, args...) \ 64 dev_warn(&(usb_dev)->dev , "[Ueagle-atm] " format, ##args) 65 66 #define uea_info(usb_dev, format, args...) \ 67 dev_info(&(usb_dev)->dev , "[ueagle-atm] " format, ##args) 68 69 struct intr_pkt; 70 71 /* cmv's from firmware */ 72 struct uea_cmvs_v1 { 73 u32 address; 74 u16 offset; 75 u32 data; 76 } __packed; 77 78 struct uea_cmvs_v2 { 79 u32 group; 80 u32 address; 81 u32 offset; 82 u32 data; 83 } __packed; 84 85 /* information about currently processed cmv */ 86 struct cmv_dsc_e1 { 87 u8 function; 88 u16 idx; 89 u32 address; 90 u16 offset; 91 }; 92 93 struct cmv_dsc_e4 { 94 u16 function; 95 u16 offset; 96 u16 address; 97 u16 group; 98 }; 99 100 union cmv_dsc { 101 struct cmv_dsc_e1 e1; 102 struct cmv_dsc_e4 e4; 103 }; 104 105 struct uea_softc { 106 struct usb_device *usb_dev; 107 struct usbatm_data *usbatm; 108 109 int modem_index; 110 unsigned int driver_info; 111 int annex; 112 #define ANNEXA 0 113 #define ANNEXB 1 114 115 int booting; 116 int reset; 117 118 wait_queue_head_t sync_q; 119 120 struct task_struct *kthread; 121 u32 data; 122 u32 data1; 123 124 int cmv_ack; 125 union cmv_dsc cmv_dsc; 126 127 struct work_struct task; 128 u16 pageno; 129 u16 ovl; 130 131 const struct firmware *dsp_firm; 132 struct urb *urb_int; 133 134 void (*dispatch_cmv)(struct uea_softc *, struct intr_pkt *); 135 void (*schedule_load_page)(struct uea_softc *, struct intr_pkt *); 136 int (*stat)(struct uea_softc *); 137 int (*send_cmvs)(struct uea_softc *); 138 139 /* keep in sync with eaglectl */ 140 struct uea_stats { 141 struct { 142 u32 state; 143 u32 flags; 144 u32 mflags; 145 u32 vidcpe; 146 u32 vidco; 147 u32 dsrate; 148 u32 usrate; 149 u32 dsunc; 150 u32 usunc; 151 u32 dscorr; 152 u32 uscorr; 153 u32 txflow; 154 u32 rxflow; 155 u32 usattenuation; 156 u32 dsattenuation; 157 u32 dsmargin; 158 u32 usmargin; 159 u32 firmid; 160 } phy; 161 } stats; 162 }; 163 164 /* 165 * Elsa IDs 166 */ 167 #define ELSA_VID 0x05CC 168 #define ELSA_PID_PSTFIRM 0x3350 169 #define ELSA_PID_PREFIRM 0x3351 170 171 #define ELSA_PID_A_PREFIRM 0x3352 172 #define ELSA_PID_A_PSTFIRM 0x3353 173 #define ELSA_PID_B_PREFIRM 0x3362 174 #define ELSA_PID_B_PSTFIRM 0x3363 175 176 /* 177 * Devolo IDs : pots if (pid & 0x10) 178 */ 179 #define DEVOLO_VID 0x1039 180 #define DEVOLO_EAGLE_I_A_PID_PSTFIRM 0x2110 181 #define DEVOLO_EAGLE_I_A_PID_PREFIRM 0x2111 182 183 #define DEVOLO_EAGLE_I_B_PID_PSTFIRM 0x2100 184 #define DEVOLO_EAGLE_I_B_PID_PREFIRM 0x2101 185 186 #define DEVOLO_EAGLE_II_A_PID_PSTFIRM 0x2130 187 #define DEVOLO_EAGLE_II_A_PID_PREFIRM 0x2131 188 189 #define DEVOLO_EAGLE_II_B_PID_PSTFIRM 0x2120 190 #define DEVOLO_EAGLE_II_B_PID_PREFIRM 0x2121 191 192 /* 193 * Reference design USB IDs 194 */ 195 #define ANALOG_VID 0x1110 196 #define ADI930_PID_PREFIRM 0x9001 197 #define ADI930_PID_PSTFIRM 0x9000 198 199 #define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */ 200 #define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */ 201 202 #define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */ 203 #define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */ 204 205 #define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */ 206 #define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */ 207 208 #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */ 209 #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */ 210 211 #define EAGLE_IV_PID_PREFIRM 0x9042 /* Eagle IV */ 212 #define EAGLE_IV_PID_PSTFIRM 0x9041 /* Eagle IV */ 213 214 /* 215 * USR USB IDs 216 */ 217 #define USR_VID 0x0BAF 218 #define MILLER_A_PID_PREFIRM 0x00F2 219 #define MILLER_A_PID_PSTFIRM 0x00F1 220 #define MILLER_B_PID_PREFIRM 0x00FA 221 #define MILLER_B_PID_PSTFIRM 0x00F9 222 #define HEINEKEN_A_PID_PREFIRM 0x00F6 223 #define HEINEKEN_A_PID_PSTFIRM 0x00F5 224 #define HEINEKEN_B_PID_PREFIRM 0x00F8 225 #define HEINEKEN_B_PID_PSTFIRM 0x00F7 226 227 #define PREFIRM 0 228 #define PSTFIRM (1<<7) 229 #define AUTO_ANNEX_A (1<<8) 230 #define AUTO_ANNEX_B (1<<9) 231 232 enum { 233 ADI930 = 0, 234 EAGLE_I, 235 EAGLE_II, 236 EAGLE_III, 237 EAGLE_IV 238 }; 239 240 /* macros for both struct usb_device_id and struct uea_softc */ 241 #define UEA_IS_PREFIRM(x) \ 242 (!((x)->driver_info & PSTFIRM)) 243 #define UEA_CHIP_VERSION(x) \ 244 ((x)->driver_info & 0xf) 245 246 #define IS_ISDN(x) \ 247 ((x)->annex & ANNEXB) 248 249 #define INS_TO_USBDEV(ins) (ins->usb_dev) 250 251 #define GET_STATUS(data) \ 252 ((data >> 8) & 0xf) 253 254 #define IS_OPERATIONAL(sc) \ 255 ((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \ 256 (GET_STATUS(sc->stats.phy.state) == 2) : \ 257 (sc->stats.phy.state == 7)) 258 259 /* 260 * Set of macros to handle unaligned data in the firmware blob. 261 * The FW_GET_BYTE() macro is provided only for consistency. 262 */ 263 264 #define FW_GET_BYTE(p) (*((__u8 *) (p))) 265 266 #define FW_DIR "ueagle-atm/" 267 #define EAGLE_FIRMWARE FW_DIR "eagle.fw" 268 #define ADI930_FIRMWARE FW_DIR "adi930.fw" 269 #define EAGLE_I_FIRMWARE FW_DIR "eagleI.fw" 270 #define EAGLE_II_FIRMWARE FW_DIR "eagleII.fw" 271 #define EAGLE_III_FIRMWARE FW_DIR "eagleIII.fw" 272 #define EAGLE_IV_FIRMWARE FW_DIR "eagleIV.fw" 273 274 #define DSP4I_FIRMWARE FW_DIR "DSP4i.bin" 275 #define DSP4P_FIRMWARE FW_DIR "DSP4p.bin" 276 #define DSP9I_FIRMWARE FW_DIR "DSP9i.bin" 277 #define DSP9P_FIRMWARE FW_DIR "DSP9p.bin" 278 #define DSPEI_FIRMWARE FW_DIR "DSPei.bin" 279 #define DSPEP_FIRMWARE FW_DIR "DSPep.bin" 280 #define FPGA930_FIRMWARE FW_DIR "930-fpga.bin" 281 282 #define CMV4P_FIRMWARE FW_DIR "CMV4p.bin" 283 #define CMV4PV2_FIRMWARE FW_DIR "CMV4p.bin.v2" 284 #define CMV4I_FIRMWARE FW_DIR "CMV4i.bin" 285 #define CMV4IV2_FIRMWARE FW_DIR "CMV4i.bin.v2" 286 #define CMV9P_FIRMWARE FW_DIR "CMV9p.bin" 287 #define CMV9PV2_FIRMWARE FW_DIR "CMV9p.bin.v2" 288 #define CMV9I_FIRMWARE FW_DIR "CMV9i.bin" 289 #define CMV9IV2_FIRMWARE FW_DIR "CMV9i.bin.v2" 290 #define CMVEP_FIRMWARE FW_DIR "CMVep.bin" 291 #define CMVEPV2_FIRMWARE FW_DIR "CMVep.bin.v2" 292 #define CMVEI_FIRMWARE FW_DIR "CMVei.bin" 293 #define CMVEIV2_FIRMWARE FW_DIR "CMVei.bin.v2" 294 295 #define UEA_FW_NAME_MAX 30 296 #define NB_MODEM 4 297 298 #define BULK_TIMEOUT 300 299 #define CTRL_TIMEOUT 1000 300 301 #define ACK_TIMEOUT msecs_to_jiffies(3000) 302 303 #define UEA_INTR_IFACE_NO 0 304 #define UEA_US_IFACE_NO 1 305 #define UEA_DS_IFACE_NO 2 306 307 #define FASTEST_ISO_INTF 8 308 309 #define UEA_BULK_DATA_PIPE 0x02 310 #define UEA_IDMA_PIPE 0x04 311 #define UEA_INTR_PIPE 0x04 312 #define UEA_ISO_DATA_PIPE 0x08 313 314 #define UEA_E1_SET_BLOCK 0x0001 315 #define UEA_E4_SET_BLOCK 0x002c 316 #define UEA_SET_MODE 0x0003 317 #define UEA_SET_2183_DATA 0x0004 318 #define UEA_SET_TIMEOUT 0x0011 319 320 #define UEA_LOOPBACK_OFF 0x0002 321 #define UEA_LOOPBACK_ON 0x0003 322 #define UEA_BOOT_IDMA 0x0006 323 #define UEA_START_RESET 0x0007 324 #define UEA_END_RESET 0x0008 325 326 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000) 327 #define UEA_MPTX_START (0x3fce | 0x4000) 328 #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000) 329 #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000) 330 331 /* block information in eagle4 dsp firmware */ 332 struct block_index { 333 __le32 PageOffset; 334 __le32 NotLastBlock; 335 __le32 dummy; 336 __le32 PageSize; 337 __le32 PageAddress; 338 __le16 dummy1; 339 __le16 PageNumber; 340 } __packed; 341 342 #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000) 343 #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4) 344 345 #define E4_L1_STRING_HEADER 0x10 346 #define E4_MAX_PAGE_NUMBER 0x58 347 #define E4_NO_SWAPPAGE_HEADERS 0x31 348 349 /* l1_code is eagle4 dsp firmware format */ 350 struct l1_code { 351 u8 string_header[E4_L1_STRING_HEADER]; 352 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER]; 353 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS]; 354 u8 code[]; 355 } __packed; 356 357 /* structures describing a block within a DSP page */ 358 struct block_info_e1 { 359 __le16 wHdr; 360 __le16 wAddress; 361 __le16 wSize; 362 __le16 wOvlOffset; 363 __le16 wOvl; /* overlay */ 364 __le16 wLast; 365 } __packed; 366 #define E1_BLOCK_INFO_SIZE 12 367 368 struct block_info_e4 { 369 __be16 wHdr; 370 __u8 bBootPage; 371 __u8 bPageNumber; 372 __be32 dwSize; 373 __be32 dwAddress; 374 __be16 wReserved; 375 } __packed; 376 #define E4_BLOCK_INFO_SIZE 14 377 378 #define UEA_BIHDR 0xabcd 379 #define UEA_RESERVED 0xffff 380 381 /* constants describing cmv type */ 382 #define E1_PREAMBLE 0x535c 383 #define E1_MODEMTOHOST 0x01 384 #define E1_HOSTTOMODEM 0x10 385 386 #define E1_MEMACCESS 0x1 387 #define E1_ADSLDIRECTIVE 0x7 388 #define E1_FUNCTION_TYPE(f) ((f) >> 4) 389 #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f) 390 391 #define E4_MEMACCESS 0 392 #define E4_ADSLDIRECTIVE 0xf 393 #define E4_FUNCTION_TYPE(f) ((f) >> 8) 394 #define E4_FUNCTION_SIZE(f) ((f) & 0x0f) 395 #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f) 396 397 /* for MEMACCESS */ 398 #define E1_REQUESTREAD 0x0 399 #define E1_REQUESTWRITE 0x1 400 #define E1_REPLYREAD 0x2 401 #define E1_REPLYWRITE 0x3 402 403 #define E4_REQUESTREAD 0x0 404 #define E4_REQUESTWRITE 0x4 405 #define E4_REPLYREAD (E4_REQUESTREAD | 1) 406 #define E4_REPLYWRITE (E4_REQUESTWRITE | 1) 407 408 /* for ADSLDIRECTIVE */ 409 #define E1_KERNELREADY 0x0 410 #define E1_MODEMREADY 0x1 411 412 #define E4_KERNELREADY 0x0 413 #define E4_MODEMREADY 0x1 414 415 #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf)) 416 #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | \ 417 ((st) & 0xf) << 4 | ((s) & 0xf)) 418 419 #define E1_MAKESA(a, b, c, d) \ 420 (((c) & 0xff) << 24 | \ 421 ((d) & 0xff) << 16 | \ 422 ((a) & 0xff) << 8 | \ 423 ((b) & 0xff)) 424 425 #define E1_GETSA1(a) ((a >> 8) & 0xff) 426 #define E1_GETSA2(a) (a & 0xff) 427 #define E1_GETSA3(a) ((a >> 24) & 0xff) 428 #define E1_GETSA4(a) ((a >> 16) & 0xff) 429 430 #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L') 431 #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G') 432 #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O') 433 #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N') 434 #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E') 435 #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T') 436 437 #define E4_SA_CNTL 1 438 #define E4_SA_STAT 2 439 #define E4_SA_INFO 3 440 #define E4_SA_TEST 4 441 #define E4_SA_OPTN 5 442 #define E4_SA_RATE 6 443 #define E4_SA_DIAG 7 444 #define E4_SA_CNFG 8 445 446 /* structures representing a CMV (Configuration and Management Variable) */ 447 struct cmv_e1 { 448 __le16 wPreamble; 449 __u8 bDirection; 450 __u8 bFunction; 451 __le16 wIndex; 452 __le32 dwSymbolicAddress; 453 __le16 wOffsetAddress; 454 __le32 dwData; 455 } __packed; 456 457 struct cmv_e4 { 458 __be16 wGroup; 459 __be16 wFunction; 460 __be16 wOffset; 461 __be16 wAddress; 462 __be32 dwData[6]; 463 } __packed; 464 465 /* structures representing swap information */ 466 struct swap_info_e1 { 467 __u8 bSwapPageNo; 468 __u8 bOvl; /* overlay */ 469 } __packed; 470 471 struct swap_info_e4 { 472 __u8 bSwapPageNo; 473 } __packed; 474 475 /* structures representing interrupt data */ 476 #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo 477 #define e1_bOvl u.e1.s1.swapinfo.bOvl 478 #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo 479 480 #define INT_LOADSWAPPAGE 0x0001 481 #define INT_INCOMINGCMV 0x0002 482 483 union intr_data_e1 { 484 struct { 485 struct swap_info_e1 swapinfo; 486 __le16 wDataSize; 487 } __packed s1; 488 struct { 489 struct cmv_e1 cmv; 490 __le16 wDataSize; 491 } __packed s2; 492 } __packed; 493 494 union intr_data_e4 { 495 struct { 496 struct swap_info_e4 swapinfo; 497 __le16 wDataSize; 498 } __packed s1; 499 struct { 500 struct cmv_e4 cmv; 501 __le16 wDataSize; 502 } __packed s2; 503 } __packed; 504 505 struct intr_pkt { 506 __u8 bType; 507 __u8 bNotification; 508 __le16 wValue; 509 __le16 wIndex; 510 __le16 wLength; 511 __le16 wInterrupt; 512 union { 513 union intr_data_e1 e1; 514 union intr_data_e4 e4; 515 } u; 516 } __packed; 517 518 #define E1_INTR_PKT_SIZE 28 519 #define E4_INTR_PKT_SIZE 64 520 521 static struct usb_driver uea_driver; 522 static DEFINE_MUTEX(uea_mutex); 523 static const char * const chip_name[] = { 524 "ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"}; 525 526 static int modem_index; 527 static unsigned int debug; 528 static unsigned int altsetting[NB_MODEM] = { 529 [0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF}; 530 static bool sync_wait[NB_MODEM]; 531 static char *cmv_file[NB_MODEM]; 532 static int annex[NB_MODEM]; 533 534 module_param(debug, uint, 0644); 535 MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)"); 536 module_param_array(altsetting, uint, NULL, 0644); 537 MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, " 538 "1=isoc slowest, ... , 8=isoc fastest (default)"); 539 module_param_array(sync_wait, bool, NULL, 0644); 540 MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM"); 541 module_param_array(cmv_file, charp, NULL, 0644); 542 MODULE_PARM_DESC(cmv_file, 543 "file name with configuration and management variables"); 544 module_param_array(annex, uint, NULL, 0644); 545 MODULE_PARM_DESC(annex, 546 "manually set annex a/b (0=auto, 1=annex a, 2=annex b)"); 547 548 #define uea_wait(sc, cond, timeo) \ 549 ({ \ 550 int _r = wait_event_freezable_timeout(sc->sync_q, \ 551 (cond) || kthread_should_stop(), timeo); \ 552 if (kthread_should_stop()) \ 553 _r = -ENODEV; \ 554 _r; \ 555 }) 556 557 #define UPDATE_ATM_STAT(type, val) \ 558 do { \ 559 if (sc->usbatm->atm_dev) \ 560 sc->usbatm->atm_dev->type = val; \ 561 } while (0) 562 563 #define UPDATE_ATM_SIGNAL(val) \ 564 do { \ 565 if (sc->usbatm->atm_dev) \ 566 atm_dev_signal_change(sc->usbatm->atm_dev, val); \ 567 } while (0) 568 569 570 /* Firmware loading */ 571 #define LOAD_INTERNAL 0xA0 572 #define F8051_USBCS 0x7f92 573 574 /* 575 * uea_send_modem_cmd - Send a command for pre-firmware devices. 576 */ 577 static int uea_send_modem_cmd(struct usb_device *usb, 578 u16 addr, u16 size, const u8 *buff) 579 { 580 int ret = -ENOMEM; 581 u8 *xfer_buff; 582 583 xfer_buff = kmemdup(buff, size, GFP_KERNEL); 584 if (xfer_buff) { 585 ret = usb_control_msg(usb, 586 usb_sndctrlpipe(usb, 0), 587 LOAD_INTERNAL, 588 USB_DIR_OUT | USB_TYPE_VENDOR | 589 USB_RECIP_DEVICE, addr, 0, xfer_buff, 590 size, CTRL_TIMEOUT); 591 kfree(xfer_buff); 592 } 593 594 if (ret < 0) 595 return ret; 596 597 return (ret == size) ? 0 : -EIO; 598 } 599 600 static void uea_upload_pre_firmware(const struct firmware *fw_entry, 601 void *context) 602 { 603 struct usb_device *usb = context; 604 const u8 *pfw; 605 u8 value; 606 u32 crc = 0; 607 int ret, size; 608 609 uea_enters(usb); 610 if (!fw_entry) { 611 uea_err(usb, "firmware is not available\n"); 612 goto err; 613 } 614 615 pfw = fw_entry->data; 616 size = fw_entry->size; 617 if (size < 4) 618 goto err_fw_corrupted; 619 620 crc = get_unaligned_le32(pfw); 621 pfw += 4; 622 size -= 4; 623 if (crc32_be(0, pfw, size) != crc) 624 goto err_fw_corrupted; 625 626 /* 627 * Start to upload firmware : send reset 628 */ 629 value = 1; 630 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value); 631 632 if (ret < 0) { 633 uea_err(usb, "modem reset failed with error %d\n", ret); 634 goto err; 635 } 636 637 while (size > 3) { 638 u8 len = FW_GET_BYTE(pfw); 639 u16 add = get_unaligned_le16(pfw + 1); 640 641 size -= len + 3; 642 if (size < 0) 643 goto err_fw_corrupted; 644 645 ret = uea_send_modem_cmd(usb, add, len, pfw + 3); 646 if (ret < 0) { 647 uea_err(usb, "uploading firmware data failed " 648 "with error %d\n", ret); 649 goto err; 650 } 651 pfw += len + 3; 652 } 653 654 if (size != 0) 655 goto err_fw_corrupted; 656 657 /* 658 * Tell the modem we finish : de-assert reset 659 */ 660 value = 0; 661 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value); 662 if (ret < 0) 663 uea_err(usb, "modem de-assert failed with error %d\n", ret); 664 else 665 uea_info(usb, "firmware uploaded\n"); 666 667 goto err; 668 669 err_fw_corrupted: 670 uea_err(usb, "firmware is corrupted\n"); 671 err: 672 release_firmware(fw_entry); 673 uea_leaves(usb); 674 } 675 676 /* 677 * uea_load_firmware - Load usb firmware for pre-firmware devices. 678 */ 679 static int uea_load_firmware(struct usb_device *usb, unsigned int ver) 680 { 681 int ret; 682 char *fw_name = EAGLE_FIRMWARE; 683 684 uea_enters(usb); 685 uea_info(usb, "pre-firmware device, uploading firmware\n"); 686 687 switch (ver) { 688 case ADI930: 689 fw_name = ADI930_FIRMWARE; 690 break; 691 case EAGLE_I: 692 fw_name = EAGLE_I_FIRMWARE; 693 break; 694 case EAGLE_II: 695 fw_name = EAGLE_II_FIRMWARE; 696 break; 697 case EAGLE_III: 698 fw_name = EAGLE_III_FIRMWARE; 699 break; 700 case EAGLE_IV: 701 fw_name = EAGLE_IV_FIRMWARE; 702 break; 703 } 704 705 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, 706 GFP_KERNEL, usb, 707 uea_upload_pre_firmware); 708 if (ret) 709 uea_err(usb, "firmware %s is not available\n", fw_name); 710 else 711 uea_info(usb, "loading firmware %s\n", fw_name); 712 713 uea_leaves(usb); 714 return ret; 715 } 716 717 /* modem management : dsp firmware, send/read CMV, monitoring statistic 718 */ 719 720 /* 721 * Make sure that the DSP code provided is safe to use. 722 */ 723 static int check_dsp_e1(const u8 *dsp, unsigned int len) 724 { 725 u8 pagecount, blockcount; 726 u16 blocksize; 727 u32 pageoffset; 728 unsigned int i, j, p, pp; 729 730 pagecount = FW_GET_BYTE(dsp); 731 p = 1; 732 733 /* enough space for page offsets? */ 734 if (p + 4 * pagecount > len) 735 return 1; 736 737 for (i = 0; i < pagecount; i++) { 738 739 pageoffset = get_unaligned_le32(dsp + p); 740 p += 4; 741 742 if (pageoffset == 0) 743 continue; 744 745 /* enough space for blockcount? */ 746 if (pageoffset >= len) 747 return 1; 748 749 pp = pageoffset; 750 blockcount = FW_GET_BYTE(dsp + pp); 751 pp += 1; 752 753 for (j = 0; j < blockcount; j++) { 754 755 /* enough space for block header? */ 756 if (pp + 4 > len) 757 return 1; 758 759 pp += 2; /* skip blockaddr */ 760 blocksize = get_unaligned_le16(dsp + pp); 761 pp += 2; 762 763 /* enough space for block data? */ 764 if (pp + blocksize > len) 765 return 1; 766 767 pp += blocksize; 768 } 769 } 770 771 return 0; 772 } 773 774 static int check_dsp_e4(const u8 *dsp, int len) 775 { 776 int i; 777 struct l1_code *p = (struct l1_code *) dsp; 778 unsigned int sum = p->code - dsp; 779 780 if (len < sum) 781 return 1; 782 783 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 && 784 strcmp("STRATIPHY ANEXB", p->string_header) != 0) 785 return 1; 786 787 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) { 788 struct block_index *blockidx; 789 u8 blockno = p->page_number_to_block_index[i]; 790 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 791 continue; 792 793 do { 794 u64 l; 795 796 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 797 return 1; 798 799 blockidx = &p->page_header[blockno++]; 800 if ((u8 *)(blockidx + 1) - dsp >= len) 801 return 1; 802 803 if (le16_to_cpu(blockidx->PageNumber) != i) 804 return 1; 805 806 l = E4_PAGE_BYTES(blockidx->PageSize); 807 sum += l; 808 l += le32_to_cpu(blockidx->PageOffset); 809 if (l > len) 810 return 1; 811 812 /* zero is zero regardless endianness */ 813 } while (blockidx->NotLastBlock); 814 } 815 816 return (sum == len) ? 0 : 1; 817 } 818 819 /* 820 * send data to the idma pipe 821 * */ 822 static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size) 823 { 824 int ret = -ENOMEM; 825 u8 *xfer_buff; 826 int bytes_read; 827 828 xfer_buff = kmemdup(data, size, GFP_KERNEL); 829 if (!xfer_buff) { 830 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 831 return ret; 832 } 833 834 ret = usb_bulk_msg(sc->usb_dev, 835 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE), 836 xfer_buff, size, &bytes_read, BULK_TIMEOUT); 837 838 kfree(xfer_buff); 839 if (ret < 0) 840 return ret; 841 if (size != bytes_read) { 842 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size, 843 bytes_read); 844 return -EIO; 845 } 846 847 return 0; 848 } 849 850 static int request_dsp(struct uea_softc *sc) 851 { 852 int ret; 853 char *dsp_name; 854 855 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 856 if (IS_ISDN(sc)) 857 dsp_name = DSP4I_FIRMWARE; 858 else 859 dsp_name = DSP4P_FIRMWARE; 860 } else if (UEA_CHIP_VERSION(sc) == ADI930) { 861 if (IS_ISDN(sc)) 862 dsp_name = DSP9I_FIRMWARE; 863 else 864 dsp_name = DSP9P_FIRMWARE; 865 } else { 866 if (IS_ISDN(sc)) 867 dsp_name = DSPEI_FIRMWARE; 868 else 869 dsp_name = DSPEP_FIRMWARE; 870 } 871 872 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev); 873 if (ret < 0) { 874 uea_err(INS_TO_USBDEV(sc), 875 "requesting firmware %s failed with error %d\n", 876 dsp_name, ret); 877 return ret; 878 } 879 880 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 881 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size); 882 else 883 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size); 884 885 if (ret) { 886 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 887 dsp_name); 888 release_firmware(sc->dsp_firm); 889 sc->dsp_firm = NULL; 890 return -EILSEQ; 891 } 892 893 return 0; 894 } 895 896 /* 897 * The uea_load_page() function must be called within a process context 898 */ 899 static void uea_load_page_e1(struct work_struct *work) 900 { 901 struct uea_softc *sc = container_of(work, struct uea_softc, task); 902 u16 pageno = sc->pageno; 903 u16 ovl = sc->ovl; 904 struct block_info_e1 bi; 905 906 const u8 *p; 907 u8 pagecount, blockcount; 908 u16 blockaddr, blocksize; 909 u32 pageoffset; 910 int i; 911 912 /* reload firmware when reboot start and it's loaded already */ 913 if (ovl == 0 && pageno == 0) { 914 release_firmware(sc->dsp_firm); 915 sc->dsp_firm = NULL; 916 } 917 918 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 919 return; 920 921 p = sc->dsp_firm->data; 922 pagecount = FW_GET_BYTE(p); 923 p += 1; 924 925 if (pageno >= pagecount) 926 goto bad1; 927 928 p += 4 * pageno; 929 pageoffset = get_unaligned_le32(p); 930 931 if (pageoffset == 0) 932 goto bad1; 933 934 p = sc->dsp_firm->data + pageoffset; 935 blockcount = FW_GET_BYTE(p); 936 p += 1; 937 938 uea_dbg(INS_TO_USBDEV(sc), 939 "sending %u blocks for DSP page %u\n", blockcount, pageno); 940 941 bi.wHdr = cpu_to_le16(UEA_BIHDR); 942 bi.wOvl = cpu_to_le16(ovl); 943 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000); 944 945 for (i = 0; i < blockcount; i++) { 946 blockaddr = get_unaligned_le16(p); 947 p += 2; 948 949 blocksize = get_unaligned_le16(p); 950 p += 2; 951 952 bi.wSize = cpu_to_le16(blocksize); 953 bi.wAddress = cpu_to_le16(blockaddr); 954 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0); 955 956 /* send block info through the IDMA pipe */ 957 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE)) 958 goto bad2; 959 960 /* send block data through the IDMA pipe */ 961 if (uea_idma_write(sc, p, blocksize)) 962 goto bad2; 963 964 p += blocksize; 965 } 966 967 return; 968 969 bad2: 970 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i); 971 return; 972 bad1: 973 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno); 974 } 975 976 static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot) 977 { 978 struct block_info_e4 bi; 979 struct block_index *blockidx; 980 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data; 981 u8 blockno = p->page_number_to_block_index[pageno]; 982 983 bi.wHdr = cpu_to_be16(UEA_BIHDR); 984 bi.bBootPage = boot; 985 bi.bPageNumber = pageno; 986 bi.wReserved = cpu_to_be16(UEA_RESERVED); 987 988 do { 989 const u8 *blockoffset; 990 unsigned int blocksize; 991 992 blockidx = &p->page_header[blockno]; 993 blocksize = E4_PAGE_BYTES(blockidx->PageSize); 994 blockoffset = sc->dsp_firm->data + le32_to_cpu( 995 blockidx->PageOffset); 996 997 bi.dwSize = cpu_to_be32(blocksize); 998 bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress)); 999 1000 uea_dbg(INS_TO_USBDEV(sc), 1001 "sending block %u for DSP page " 1002 "%u size %u address %x\n", 1003 blockno, pageno, blocksize, 1004 le32_to_cpu(blockidx->PageAddress)); 1005 1006 /* send block info through the IDMA pipe */ 1007 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1008 goto bad; 1009 1010 /* send block data through the IDMA pipe */ 1011 if (uea_idma_write(sc, blockoffset, blocksize)) 1012 goto bad; 1013 1014 blockno++; 1015 } while (blockidx->NotLastBlock); 1016 1017 return; 1018 1019 bad: 1020 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno); 1021 return; 1022 } 1023 1024 static void uea_load_page_e4(struct work_struct *work) 1025 { 1026 struct uea_softc *sc = container_of(work, struct uea_softc, task); 1027 u8 pageno = sc->pageno; 1028 int i; 1029 struct block_info_e4 bi; 1030 struct l1_code *p; 1031 1032 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno); 1033 1034 /* reload firmware when reboot start and it's loaded already */ 1035 if (pageno == 0) { 1036 release_firmware(sc->dsp_firm); 1037 sc->dsp_firm = NULL; 1038 } 1039 1040 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 1041 return; 1042 1043 p = (struct l1_code *) sc->dsp_firm->data; 1044 if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) { 1045 uea_err(INS_TO_USBDEV(sc), "invalid DSP " 1046 "page %u requested\n", pageno); 1047 return; 1048 } 1049 1050 if (pageno != 0) { 1051 __uea_load_page_e4(sc, pageno, 0); 1052 return; 1053 } 1054 1055 uea_dbg(INS_TO_USBDEV(sc), 1056 "sending Main DSP page %u\n", p->page_header[0].PageNumber); 1057 1058 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) { 1059 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize)) 1060 __uea_load_page_e4(sc, i, 1); 1061 } 1062 1063 uea_dbg(INS_TO_USBDEV(sc) , "sending start bi\n"); 1064 1065 bi.wHdr = cpu_to_be16(UEA_BIHDR); 1066 bi.bBootPage = 0; 1067 bi.bPageNumber = 0xff; 1068 bi.wReserved = cpu_to_be16(UEA_RESERVED); 1069 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize)); 1070 bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress)); 1071 1072 /* send block info through the IDMA pipe */ 1073 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1074 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n"); 1075 } 1076 1077 static inline void wake_up_cmv_ack(struct uea_softc *sc) 1078 { 1079 BUG_ON(sc->cmv_ack); 1080 sc->cmv_ack = 1; 1081 wake_up(&sc->sync_q); 1082 } 1083 1084 static inline int wait_cmv_ack(struct uea_softc *sc) 1085 { 1086 int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT); 1087 1088 sc->cmv_ack = 0; 1089 1090 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n", 1091 jiffies_to_msecs(ret)); 1092 1093 if (ret < 0) 1094 return ret; 1095 1096 return (ret == 0) ? -ETIMEDOUT : 0; 1097 } 1098 1099 #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00 1100 1101 static int uea_request(struct uea_softc *sc, 1102 u16 value, u16 index, u16 size, const void *data) 1103 { 1104 u8 *xfer_buff; 1105 int ret = -ENOMEM; 1106 1107 xfer_buff = kmemdup(data, size, GFP_KERNEL); 1108 if (!xfer_buff) { 1109 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 1110 return ret; 1111 } 1112 1113 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0), 1114 UCDC_SEND_ENCAPSULATED_COMMAND, 1115 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 1116 value, index, xfer_buff, size, CTRL_TIMEOUT); 1117 1118 kfree(xfer_buff); 1119 if (ret < 0) { 1120 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret); 1121 return ret; 1122 } 1123 1124 if (ret != size) { 1125 uea_err(INS_TO_USBDEV(sc), 1126 "usb_control_msg send only %d bytes (instead of %d)\n", 1127 ret, size); 1128 return -EIO; 1129 } 1130 1131 return 0; 1132 } 1133 1134 static int uea_cmv_e1(struct uea_softc *sc, 1135 u8 function, u32 address, u16 offset, u32 data) 1136 { 1137 struct cmv_e1 cmv; 1138 int ret; 1139 1140 uea_enters(INS_TO_USBDEV(sc)); 1141 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, " 1142 "offset : 0x%04x, data : 0x%08x\n", 1143 E1_FUNCTION_TYPE(function), 1144 E1_FUNCTION_SUBTYPE(function), 1145 E1_GETSA1(address), E1_GETSA2(address), 1146 E1_GETSA3(address), 1147 E1_GETSA4(address), offset, data); 1148 1149 /* we send a request, but we expect a reply */ 1150 sc->cmv_dsc.e1.function = function | 0x2; 1151 sc->cmv_dsc.e1.idx++; 1152 sc->cmv_dsc.e1.address = address; 1153 sc->cmv_dsc.e1.offset = offset; 1154 1155 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE); 1156 cmv.bDirection = E1_HOSTTOMODEM; 1157 cmv.bFunction = function; 1158 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx); 1159 put_unaligned_le32(address, &cmv.dwSymbolicAddress); 1160 cmv.wOffsetAddress = cpu_to_le16(offset); 1161 put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData); 1162 1163 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START, 1164 sizeof(cmv), &cmv); 1165 if (ret < 0) 1166 return ret; 1167 ret = wait_cmv_ack(sc); 1168 uea_leaves(INS_TO_USBDEV(sc)); 1169 return ret; 1170 } 1171 1172 static int uea_cmv_e4(struct uea_softc *sc, 1173 u16 function, u16 group, u16 address, u16 offset, u32 data) 1174 { 1175 struct cmv_e4 cmv; 1176 int ret; 1177 1178 uea_enters(INS_TO_USBDEV(sc)); 1179 memset(&cmv, 0, sizeof(cmv)); 1180 1181 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, " 1182 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n", 1183 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function), 1184 group, address, offset, data); 1185 1186 /* we send a request, but we expect a reply */ 1187 sc->cmv_dsc.e4.function = function | (0x1 << 4); 1188 sc->cmv_dsc.e4.offset = offset; 1189 sc->cmv_dsc.e4.address = address; 1190 sc->cmv_dsc.e4.group = group; 1191 1192 cmv.wFunction = cpu_to_be16(function); 1193 cmv.wGroup = cpu_to_be16(group); 1194 cmv.wAddress = cpu_to_be16(address); 1195 cmv.wOffset = cpu_to_be16(offset); 1196 cmv.dwData[0] = cpu_to_be32(data); 1197 1198 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START, 1199 sizeof(cmv), &cmv); 1200 if (ret < 0) 1201 return ret; 1202 ret = wait_cmv_ack(sc); 1203 uea_leaves(INS_TO_USBDEV(sc)); 1204 return ret; 1205 } 1206 1207 static inline int uea_read_cmv_e1(struct uea_softc *sc, 1208 u32 address, u16 offset, u32 *data) 1209 { 1210 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD), 1211 address, offset, 0); 1212 if (ret < 0) 1213 uea_err(INS_TO_USBDEV(sc), 1214 "reading cmv failed with error %d\n", ret); 1215 else 1216 *data = sc->data; 1217 1218 return ret; 1219 } 1220 1221 static inline int uea_read_cmv_e4(struct uea_softc *sc, 1222 u8 size, u16 group, u16 address, u16 offset, u32 *data) 1223 { 1224 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, 1225 E4_REQUESTREAD, size), 1226 group, 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 /* size is in 16-bit word quantities */ 1233 if (size > 2) 1234 *(data + 1) = sc->data1; 1235 } 1236 return ret; 1237 } 1238 1239 static inline int uea_write_cmv_e1(struct uea_softc *sc, 1240 u32 address, u16 offset, u32 data) 1241 { 1242 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE), 1243 address, offset, data); 1244 if (ret < 0) 1245 uea_err(INS_TO_USBDEV(sc), 1246 "writing cmv failed with error %d\n", ret); 1247 1248 return ret; 1249 } 1250 1251 static inline int uea_write_cmv_e4(struct uea_softc *sc, 1252 u8 size, u16 group, u16 address, u16 offset, u32 data) 1253 { 1254 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, 1255 E4_REQUESTWRITE, size), 1256 group, address, offset, data); 1257 if (ret < 0) 1258 uea_err(INS_TO_USBDEV(sc), 1259 "writing cmv failed with error %d\n", ret); 1260 1261 return ret; 1262 } 1263 1264 static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate) 1265 { 1266 int ret; 1267 u16 timeout; 1268 1269 /* in bulk mode the modem have problem with high rate 1270 * changing internal timing could improve things, but the 1271 * value is mysterious. 1272 * ADI930 don't support it (-EPIPE error). 1273 */ 1274 1275 if (UEA_CHIP_VERSION(sc) == ADI930 || 1276 altsetting[sc->modem_index] > 0 || 1277 sc->stats.phy.dsrate == dsrate) 1278 return; 1279 1280 /* Original timing (1Mbit/s) from ADI (used in windows driver) */ 1281 timeout = (dsrate <= 1024*1024) ? 0 : 1; 1282 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL); 1283 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n", 1284 timeout, ret < 0 ? " failed" : ""); 1285 1286 } 1287 1288 /* 1289 * Monitor the modem and update the stat 1290 * return 0 if everything is ok 1291 * return < 0 if an error occurs (-EAGAIN reboot needed) 1292 */ 1293 static int uea_stat_e1(struct uea_softc *sc) 1294 { 1295 u32 data; 1296 int ret; 1297 1298 uea_enters(INS_TO_USBDEV(sc)); 1299 data = sc->stats.phy.state; 1300 1301 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state); 1302 if (ret < 0) 1303 return ret; 1304 1305 switch (GET_STATUS(sc->stats.phy.state)) { 1306 case 0: /* not yet synchronized */ 1307 uea_dbg(INS_TO_USBDEV(sc), 1308 "modem not yet synchronized\n"); 1309 return 0; 1310 1311 case 1: /* initialization */ 1312 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1313 return 0; 1314 1315 case 2: /* operational */ 1316 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n"); 1317 break; 1318 1319 case 3: /* fail ... */ 1320 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed" 1321 " (may be try other cmv/dsp)\n"); 1322 return -EAGAIN; 1323 1324 case 4 ... 6: /* test state */ 1325 uea_warn(INS_TO_USBDEV(sc), 1326 "modem in test mode - not supported\n"); 1327 return -EAGAIN; 1328 1329 case 7: /* fast-retain ... */ 1330 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n"); 1331 return 0; 1332 default: 1333 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n", 1334 GET_STATUS(sc->stats.phy.state)); 1335 return -EAGAIN; 1336 } 1337 1338 if (GET_STATUS(data) != 2) { 1339 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1340 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1341 1342 /* release the dsp firmware as it is not needed until 1343 * the next failure 1344 */ 1345 release_firmware(sc->dsp_firm); 1346 sc->dsp_firm = NULL; 1347 } 1348 1349 /* always update it as atm layer could not be init when we switch to 1350 * operational state 1351 */ 1352 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); 1353 1354 /* wake up processes waiting for synchronization */ 1355 wake_up(&sc->sync_q); 1356 1357 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags); 1358 if (ret < 0) 1359 return ret; 1360 sc->stats.phy.mflags |= sc->stats.phy.flags; 1361 1362 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1363 * we check the status again in order to detect the failure earlier 1364 */ 1365 if (sc->stats.phy.flags) { 1366 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1367 sc->stats.phy.flags); 1368 return 0; 1369 } 1370 1371 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data); 1372 if (ret < 0) 1373 return ret; 1374 1375 uea_set_bulk_timeout(sc, (data >> 16) * 32); 1376 sc->stats.phy.dsrate = (data >> 16) * 32; 1377 sc->stats.phy.usrate = (data & 0xffff) * 32; 1378 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1379 1380 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data); 1381 if (ret < 0) 1382 return ret; 1383 sc->stats.phy.dsattenuation = (data & 0xff) / 2; 1384 1385 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data); 1386 if (ret < 0) 1387 return ret; 1388 sc->stats.phy.usattenuation = (data & 0xff) / 2; 1389 1390 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin); 1391 if (ret < 0) 1392 return ret; 1393 1394 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin); 1395 if (ret < 0) 1396 return ret; 1397 1398 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow); 1399 if (ret < 0) 1400 return ret; 1401 1402 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow); 1403 if (ret < 0) 1404 return ret; 1405 1406 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc); 1407 if (ret < 0) 1408 return ret; 1409 1410 /* only for atu-c */ 1411 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc); 1412 if (ret < 0) 1413 return ret; 1414 1415 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr); 1416 if (ret < 0) 1417 return ret; 1418 1419 /* only for atu-c */ 1420 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr); 1421 if (ret < 0) 1422 return ret; 1423 1424 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco); 1425 if (ret < 0) 1426 return ret; 1427 1428 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe); 1429 if (ret < 0) 1430 return ret; 1431 1432 return 0; 1433 } 1434 1435 static int uea_stat_e4(struct uea_softc *sc) 1436 { 1437 u32 data; 1438 u32 tmp_arr[2]; 1439 int ret; 1440 1441 uea_enters(INS_TO_USBDEV(sc)); 1442 data = sc->stats.phy.state; 1443 1444 /* XXX only need to be done before operationnal... */ 1445 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state); 1446 if (ret < 0) 1447 return ret; 1448 1449 switch (sc->stats.phy.state) { 1450 case 0x0: /* not yet synchronized */ 1451 case 0x1: 1452 case 0x3: 1453 case 0x4: 1454 uea_dbg(INS_TO_USBDEV(sc), "modem not yet " 1455 "synchronized\n"); 1456 return 0; 1457 case 0x5: /* initialization */ 1458 case 0x6: 1459 case 0x9: 1460 case 0xa: 1461 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1462 return 0; 1463 case 0x2: /* fail ... */ 1464 uea_info(INS_TO_USBDEV(sc), "modem synchronization " 1465 "failed (may be try other cmv/dsp)\n"); 1466 return -EAGAIN; 1467 case 0x7: /* operational */ 1468 break; 1469 default: 1470 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n", 1471 sc->stats.phy.state); 1472 return 0; 1473 } 1474 1475 if (data != 7) { 1476 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1477 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1478 1479 /* release the dsp firmware as it is not needed until 1480 * the next failure 1481 */ 1482 release_firmware(sc->dsp_firm); 1483 sc->dsp_firm = NULL; 1484 } 1485 1486 /* always update it as atm layer could not be init when we switch to 1487 * operational state 1488 */ 1489 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); 1490 1491 /* wake up processes waiting for synchronization */ 1492 wake_up(&sc->sync_q); 1493 1494 /* TODO improve this state machine : 1495 * we need some CMV info : what they do and their unit 1496 * we should find the equivalent of eagle3- CMV 1497 */ 1498 /* check flags */ 1499 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags); 1500 if (ret < 0) 1501 return ret; 1502 sc->stats.phy.mflags |= sc->stats.phy.flags; 1503 1504 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1505 * we check the status again in order to detect the failure earlier 1506 */ 1507 if (sc->stats.phy.flags) { 1508 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1509 sc->stats.phy.flags); 1510 if (sc->stats.phy.flags & 1) /* delineation LOSS */ 1511 return -EAGAIN; 1512 if (sc->stats.phy.flags & 0x4000) /* Reset Flag */ 1513 return -EAGAIN; 1514 return 0; 1515 } 1516 1517 /* rate data may be in upper or lower half of 64 bit word, strange */ 1518 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr); 1519 if (ret < 0) 1520 return ret; 1521 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1522 sc->stats.phy.usrate = data / 1000; 1523 1524 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr); 1525 if (ret < 0) 1526 return ret; 1527 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1528 uea_set_bulk_timeout(sc, data / 1000); 1529 sc->stats.phy.dsrate = data / 1000; 1530 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1531 1532 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data); 1533 if (ret < 0) 1534 return ret; 1535 sc->stats.phy.dsattenuation = data / 10; 1536 1537 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data); 1538 if (ret < 0) 1539 return ret; 1540 sc->stats.phy.usattenuation = data / 10; 1541 1542 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data); 1543 if (ret < 0) 1544 return ret; 1545 sc->stats.phy.dsmargin = data / 2; 1546 1547 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data); 1548 if (ret < 0) 1549 return ret; 1550 sc->stats.phy.usmargin = data / 10; 1551 1552 return 0; 1553 } 1554 1555 static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver) 1556 { 1557 char file_arr[] = "CMVxy.bin"; 1558 char *file; 1559 1560 kernel_param_lock(THIS_MODULE); 1561 /* set proper name corresponding modem version and line type */ 1562 if (cmv_file[sc->modem_index] == NULL) { 1563 if (UEA_CHIP_VERSION(sc) == ADI930) 1564 file_arr[3] = '9'; 1565 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1566 file_arr[3] = '4'; 1567 else 1568 file_arr[3] = 'e'; 1569 1570 file_arr[4] = IS_ISDN(sc) ? 'i' : 'p'; 1571 file = file_arr; 1572 } else 1573 file = cmv_file[sc->modem_index]; 1574 1575 strcpy(cmv_name, FW_DIR); 1576 strlcat(cmv_name, file, UEA_FW_NAME_MAX); 1577 if (ver == 2) 1578 strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX); 1579 kernel_param_unlock(THIS_MODULE); 1580 } 1581 1582 static int request_cmvs_old(struct uea_softc *sc, 1583 void **cmvs, const struct firmware **fw) 1584 { 1585 int ret, size; 1586 u8 *data; 1587 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1588 1589 cmvs_file_name(sc, cmv_name, 1); 1590 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1591 if (ret < 0) { 1592 uea_err(INS_TO_USBDEV(sc), 1593 "requesting firmware %s failed with error %d\n", 1594 cmv_name, ret); 1595 return ret; 1596 } 1597 1598 data = (u8 *) (*fw)->data; 1599 size = (*fw)->size; 1600 if (size < 1) 1601 goto err_fw_corrupted; 1602 1603 if (size != *data * sizeof(struct uea_cmvs_v1) + 1) 1604 goto err_fw_corrupted; 1605 1606 *cmvs = (void *)(data + 1); 1607 return *data; 1608 1609 err_fw_corrupted: 1610 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1611 release_firmware(*fw); 1612 return -EILSEQ; 1613 } 1614 1615 static int request_cmvs(struct uea_softc *sc, 1616 void **cmvs, const struct firmware **fw, int *ver) 1617 { 1618 int ret, size; 1619 u32 crc; 1620 u8 *data; 1621 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1622 1623 cmvs_file_name(sc, cmv_name, 2); 1624 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1625 if (ret < 0) { 1626 /* if caller can handle old version, try to provide it */ 1627 if (*ver == 1) { 1628 uea_warn(INS_TO_USBDEV(sc), "requesting " 1629 "firmware %s failed, " 1630 "try to get older cmvs\n", cmv_name); 1631 return request_cmvs_old(sc, cmvs, fw); 1632 } 1633 uea_err(INS_TO_USBDEV(sc), 1634 "requesting firmware %s failed with error %d\n", 1635 cmv_name, ret); 1636 return ret; 1637 } 1638 1639 size = (*fw)->size; 1640 data = (u8 *) (*fw)->data; 1641 if (size < 4 || strncmp(data, "cmv2", 4) != 0) { 1642 if (*ver == 1) { 1643 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted," 1644 " try to get older cmvs\n", cmv_name); 1645 release_firmware(*fw); 1646 return request_cmvs_old(sc, cmvs, fw); 1647 } 1648 goto err_fw_corrupted; 1649 } 1650 1651 *ver = 2; 1652 1653 data += 4; 1654 size -= 4; 1655 if (size < 5) 1656 goto err_fw_corrupted; 1657 1658 crc = get_unaligned_le32(data); 1659 data += 4; 1660 size -= 4; 1661 if (crc32_be(0, data, size) != crc) 1662 goto err_fw_corrupted; 1663 1664 if (size != *data * sizeof(struct uea_cmvs_v2) + 1) 1665 goto err_fw_corrupted; 1666 1667 *cmvs = (void *) (data + 1); 1668 return *data; 1669 1670 err_fw_corrupted: 1671 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1672 release_firmware(*fw); 1673 return -EILSEQ; 1674 } 1675 1676 static int uea_send_cmvs_e1(struct uea_softc *sc) 1677 { 1678 int i, ret, len; 1679 void *cmvs_ptr; 1680 const struct firmware *cmvs_fw; 1681 int ver = 1; /* we can handle v1 cmv firmware version; */ 1682 1683 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1684 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1); 1685 if (ret < 0) 1686 return ret; 1687 1688 /* Dump firmware version */ 1689 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid); 1690 if (ret < 0) 1691 return ret; 1692 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1693 sc->stats.phy.firmid); 1694 1695 /* get options */ 1696 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1697 if (ret < 0) 1698 return ret; 1699 1700 /* send options */ 1701 if (ver == 1) { 1702 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr; 1703 1704 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, " 1705 "please update your firmware\n"); 1706 1707 for (i = 0; i < len; i++) { 1708 ret = uea_write_cmv_e1(sc, 1709 get_unaligned_le32(&cmvs_v1[i].address), 1710 get_unaligned_le16(&cmvs_v1[i].offset), 1711 get_unaligned_le32(&cmvs_v1[i].data)); 1712 if (ret < 0) 1713 goto out; 1714 } 1715 } else if (ver == 2) { 1716 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1717 1718 for (i = 0; i < len; i++) { 1719 ret = uea_write_cmv_e1(sc, 1720 get_unaligned_le32(&cmvs_v2[i].address), 1721 (u16) get_unaligned_le32(&cmvs_v2[i].offset), 1722 get_unaligned_le32(&cmvs_v2[i].data)); 1723 if (ret < 0) 1724 goto out; 1725 } 1726 } else { 1727 /* This really should not happen */ 1728 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1729 goto out; 1730 } 1731 1732 /* Enter in R-ACT-REQ */ 1733 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2); 1734 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1735 uea_info(INS_TO_USBDEV(sc), "modem started, waiting " 1736 "synchronization...\n"); 1737 out: 1738 release_firmware(cmvs_fw); 1739 return ret; 1740 } 1741 1742 static int uea_send_cmvs_e4(struct uea_softc *sc) 1743 { 1744 int i, ret, len; 1745 void *cmvs_ptr; 1746 const struct firmware *cmvs_fw; 1747 int ver = 2; /* we can only handle v2 cmv firmware version; */ 1748 1749 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1750 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1); 1751 if (ret < 0) 1752 return ret; 1753 1754 /* Dump firmware version */ 1755 /* XXX don't read the 3th byte as it is always 6 */ 1756 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid); 1757 if (ret < 0) 1758 return ret; 1759 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1760 sc->stats.phy.firmid); 1761 1762 1763 /* get options */ 1764 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1765 if (ret < 0) 1766 return ret; 1767 1768 /* send options */ 1769 if (ver == 2) { 1770 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1771 1772 for (i = 0; i < len; i++) { 1773 ret = uea_write_cmv_e4(sc, 1, 1774 get_unaligned_le32(&cmvs_v2[i].group), 1775 get_unaligned_le32(&cmvs_v2[i].address), 1776 get_unaligned_le32(&cmvs_v2[i].offset), 1777 get_unaligned_le32(&cmvs_v2[i].data)); 1778 if (ret < 0) 1779 goto out; 1780 } 1781 } else { 1782 /* This really should not happen */ 1783 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1784 goto out; 1785 } 1786 1787 /* Enter in R-ACT-REQ */ 1788 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2); 1789 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1790 uea_info(INS_TO_USBDEV(sc), "modem started, waiting " 1791 "synchronization...\n"); 1792 out: 1793 release_firmware(cmvs_fw); 1794 return ret; 1795 } 1796 1797 /* Start boot post firmware modem: 1798 * - send reset commands through usb control pipe 1799 * - start workqueue for DSP loading 1800 * - send CMV options to modem 1801 */ 1802 1803 static int uea_start_reset(struct uea_softc *sc) 1804 { 1805 u16 zero = 0; /* ;-) */ 1806 int ret; 1807 1808 uea_enters(INS_TO_USBDEV(sc)); 1809 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n"); 1810 1811 /* mask interrupt */ 1812 sc->booting = 1; 1813 /* We need to set this here because, a ack timeout could have occurred, 1814 * but before we start the reboot, the ack occurs and set this to 1. 1815 * So we will failed to wait Ready CMV. 1816 */ 1817 sc->cmv_ack = 0; 1818 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); 1819 1820 /* reset statistics */ 1821 memset(&sc->stats, 0, sizeof(struct uea_stats)); 1822 1823 /* tell the modem that we want to boot in IDMA mode */ 1824 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 1825 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL); 1826 1827 /* enter reset mode */ 1828 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL); 1829 1830 /* original driver use 200ms, but windows driver use 100ms */ 1831 ret = uea_wait(sc, 0, msecs_to_jiffies(100)); 1832 if (ret < 0) 1833 return ret; 1834 1835 /* leave reset mode */ 1836 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL); 1837 1838 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) { 1839 /* clear tx and rx mailboxes */ 1840 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero); 1841 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero); 1842 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero); 1843 } 1844 1845 ret = uea_wait(sc, 0, msecs_to_jiffies(1000)); 1846 if (ret < 0) 1847 return ret; 1848 1849 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1850 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, 1851 E4_MODEMREADY, 1); 1852 else 1853 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, 1854 E1_MODEMREADY); 1855 1856 /* demask interrupt */ 1857 sc->booting = 0; 1858 1859 /* start loading DSP */ 1860 sc->pageno = 0; 1861 sc->ovl = 0; 1862 schedule_work(&sc->task); 1863 1864 /* wait for modem ready CMV */ 1865 ret = wait_cmv_ack(sc); 1866 if (ret < 0) 1867 return ret; 1868 1869 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n"); 1870 1871 ret = sc->send_cmvs(sc); 1872 if (ret < 0) 1873 return ret; 1874 1875 sc->reset = 0; 1876 uea_leaves(INS_TO_USBDEV(sc)); 1877 return ret; 1878 } 1879 1880 /* 1881 * In case of an error wait 1s before rebooting the modem 1882 * if the modem don't request reboot (-EAGAIN). 1883 * Monitor the modem every 1s. 1884 */ 1885 1886 static int uea_kthread(void *data) 1887 { 1888 struct uea_softc *sc = data; 1889 int ret = -EAGAIN; 1890 1891 set_freezable(); 1892 uea_enters(INS_TO_USBDEV(sc)); 1893 while (!kthread_should_stop()) { 1894 if (ret < 0 || sc->reset) 1895 ret = uea_start_reset(sc); 1896 if (!ret) 1897 ret = sc->stat(sc); 1898 if (ret != -EAGAIN) 1899 uea_wait(sc, 0, msecs_to_jiffies(1000)); 1900 } 1901 uea_leaves(INS_TO_USBDEV(sc)); 1902 return ret; 1903 } 1904 1905 /* Load second usb firmware for ADI930 chip */ 1906 static int load_XILINX_firmware(struct uea_softc *sc) 1907 { 1908 const struct firmware *fw_entry; 1909 int ret, size, u, ln; 1910 const u8 *pfw; 1911 u8 value; 1912 char *fw_name = FPGA930_FIRMWARE; 1913 1914 uea_enters(INS_TO_USBDEV(sc)); 1915 1916 ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev); 1917 if (ret) { 1918 uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n", 1919 fw_name); 1920 goto err0; 1921 } 1922 1923 pfw = fw_entry->data; 1924 size = fw_entry->size; 1925 if (size != 0x577B) { 1926 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 1927 fw_name); 1928 ret = -EILSEQ; 1929 goto err1; 1930 } 1931 for (u = 0; u < size; u += ln) { 1932 ln = min(size - u, 64); 1933 ret = uea_request(sc, 0xe, 0, ln, pfw + u); 1934 if (ret < 0) { 1935 uea_err(INS_TO_USBDEV(sc), 1936 "elsa download data failed (%d)\n", ret); 1937 goto err1; 1938 } 1939 } 1940 1941 /* finish to send the fpga */ 1942 ret = uea_request(sc, 0xe, 1, 0, NULL); 1943 if (ret < 0) { 1944 uea_err(INS_TO_USBDEV(sc), 1945 "elsa download data failed (%d)\n", ret); 1946 goto err1; 1947 } 1948 1949 /* Tell the modem we finish : de-assert reset */ 1950 value = 0; 1951 ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value); 1952 if (ret < 0) 1953 uea_err(sc->usb_dev, "elsa de-assert failed with error" 1954 " %d\n", ret); 1955 1956 err1: 1957 release_firmware(fw_entry); 1958 err0: 1959 uea_leaves(INS_TO_USBDEV(sc)); 1960 return ret; 1961 } 1962 1963 /* The modem send us an ack. First with check if it right */ 1964 static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr) 1965 { 1966 struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1; 1967 struct cmv_e1 *cmv = &intr->u.e1.s2.cmv; 1968 1969 uea_enters(INS_TO_USBDEV(sc)); 1970 if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE) 1971 goto bad1; 1972 1973 if (cmv->bDirection != E1_MODEMTOHOST) 1974 goto bad1; 1975 1976 /* FIXME : ADI930 reply wrong preamble (func = 2, sub = 2) to 1977 * the first MEMACCESS cmv. Ignore it... 1978 */ 1979 if (cmv->bFunction != dsc->function) { 1980 if (UEA_CHIP_VERSION(sc) == ADI930 1981 && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) { 1982 cmv->wIndex = cpu_to_le16(dsc->idx); 1983 put_unaligned_le32(dsc->address, 1984 &cmv->dwSymbolicAddress); 1985 cmv->wOffsetAddress = cpu_to_le16(dsc->offset); 1986 } else 1987 goto bad2; 1988 } 1989 1990 if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, 1991 E1_MODEMREADY)) { 1992 wake_up_cmv_ack(sc); 1993 uea_leaves(INS_TO_USBDEV(sc)); 1994 return; 1995 } 1996 1997 /* in case of MEMACCESS */ 1998 if (le16_to_cpu(cmv->wIndex) != dsc->idx || 1999 get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address || 2000 le16_to_cpu(cmv->wOffsetAddress) != dsc->offset) 2001 goto bad2; 2002 2003 sc->data = get_unaligned_le32(&cmv->dwData); 2004 sc->data = sc->data << 16 | sc->data >> 16; 2005 2006 wake_up_cmv_ack(sc); 2007 uea_leaves(INS_TO_USBDEV(sc)); 2008 return; 2009 2010 bad2: 2011 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2012 "Function : %d, Subfunction : %d\n", 2013 E1_FUNCTION_TYPE(cmv->bFunction), 2014 E1_FUNCTION_SUBTYPE(cmv->bFunction)); 2015 uea_leaves(INS_TO_USBDEV(sc)); 2016 return; 2017 2018 bad1: 2019 uea_err(INS_TO_USBDEV(sc), "invalid cmv received, " 2020 "wPreamble %d, bDirection %d\n", 2021 le16_to_cpu(cmv->wPreamble), cmv->bDirection); 2022 uea_leaves(INS_TO_USBDEV(sc)); 2023 } 2024 2025 /* The modem send us an ack. First with check if it right */ 2026 static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr) 2027 { 2028 struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4; 2029 struct cmv_e4 *cmv = &intr->u.e4.s2.cmv; 2030 2031 uea_enters(INS_TO_USBDEV(sc)); 2032 uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n", 2033 be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction), 2034 be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress), 2035 be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1])); 2036 2037 if (be16_to_cpu(cmv->wFunction) != dsc->function) 2038 goto bad2; 2039 2040 if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, 2041 E4_MODEMREADY, 1)) { 2042 wake_up_cmv_ack(sc); 2043 uea_leaves(INS_TO_USBDEV(sc)); 2044 return; 2045 } 2046 2047 /* in case of MEMACCESS */ 2048 if (be16_to_cpu(cmv->wOffset) != dsc->offset || 2049 be16_to_cpu(cmv->wGroup) != dsc->group || 2050 be16_to_cpu(cmv->wAddress) != dsc->address) 2051 goto bad2; 2052 2053 sc->data = be32_to_cpu(cmv->dwData[0]); 2054 sc->data1 = be32_to_cpu(cmv->dwData[1]); 2055 wake_up_cmv_ack(sc); 2056 uea_leaves(INS_TO_USBDEV(sc)); 2057 return; 2058 2059 bad2: 2060 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2061 "Function : %d, Subfunction : %d\n", 2062 E4_FUNCTION_TYPE(cmv->wFunction), 2063 E4_FUNCTION_SUBTYPE(cmv->wFunction)); 2064 uea_leaves(INS_TO_USBDEV(sc)); 2065 return; 2066 } 2067 2068 static void uea_schedule_load_page_e1(struct uea_softc *sc, 2069 struct intr_pkt *intr) 2070 { 2071 sc->pageno = intr->e1_bSwapPageNo; 2072 sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4; 2073 schedule_work(&sc->task); 2074 } 2075 2076 static void uea_schedule_load_page_e4(struct uea_softc *sc, 2077 struct intr_pkt *intr) 2078 { 2079 sc->pageno = intr->e4_bSwapPageNo; 2080 schedule_work(&sc->task); 2081 } 2082 2083 /* 2084 * interrupt handler 2085 */ 2086 static void uea_intr(struct urb *urb) 2087 { 2088 struct uea_softc *sc = urb->context; 2089 struct intr_pkt *intr = urb->transfer_buffer; 2090 int status = urb->status; 2091 2092 uea_enters(INS_TO_USBDEV(sc)); 2093 2094 if (unlikely(status < 0)) { 2095 uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n", 2096 status); 2097 return; 2098 } 2099 2100 /* device-to-host interrupt */ 2101 if (intr->bType != 0x08 || sc->booting) { 2102 uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n"); 2103 goto resubmit; 2104 } 2105 2106 switch (le16_to_cpu(intr->wInterrupt)) { 2107 case INT_LOADSWAPPAGE: 2108 sc->schedule_load_page(sc, intr); 2109 break; 2110 2111 case INT_INCOMINGCMV: 2112 sc->dispatch_cmv(sc, intr); 2113 break; 2114 2115 default: 2116 uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n", 2117 le16_to_cpu(intr->wInterrupt)); 2118 } 2119 2120 resubmit: 2121 usb_submit_urb(sc->urb_int, GFP_ATOMIC); 2122 } 2123 2124 /* 2125 * Start the modem : init the data and start kernel thread 2126 */ 2127 static int uea_boot(struct uea_softc *sc, struct usb_interface *intf) 2128 { 2129 struct intr_pkt *intr; 2130 int ret = -ENOMEM; 2131 int size; 2132 2133 uea_enters(INS_TO_USBDEV(sc)); 2134 2135 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2136 size = E4_INTR_PKT_SIZE; 2137 sc->dispatch_cmv = uea_dispatch_cmv_e4; 2138 sc->schedule_load_page = uea_schedule_load_page_e4; 2139 sc->stat = uea_stat_e4; 2140 sc->send_cmvs = uea_send_cmvs_e4; 2141 INIT_WORK(&sc->task, uea_load_page_e4); 2142 } else { 2143 size = E1_INTR_PKT_SIZE; 2144 sc->dispatch_cmv = uea_dispatch_cmv_e1; 2145 sc->schedule_load_page = uea_schedule_load_page_e1; 2146 sc->stat = uea_stat_e1; 2147 sc->send_cmvs = uea_send_cmvs_e1; 2148 INIT_WORK(&sc->task, uea_load_page_e1); 2149 } 2150 2151 init_waitqueue_head(&sc->sync_q); 2152 2153 if (UEA_CHIP_VERSION(sc) == ADI930) 2154 load_XILINX_firmware(sc); 2155 2156 if (intf->cur_altsetting->desc.bNumEndpoints < 1) { 2157 ret = -ENODEV; 2158 goto err0; 2159 } 2160 2161 intr = kmalloc(size, GFP_KERNEL); 2162 if (!intr) 2163 goto err0; 2164 2165 sc->urb_int = usb_alloc_urb(0, GFP_KERNEL); 2166 if (!sc->urb_int) 2167 goto err1; 2168 2169 usb_fill_int_urb(sc->urb_int, sc->usb_dev, 2170 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE), 2171 intr, size, uea_intr, sc, 2172 intf->cur_altsetting->endpoint[0].desc.bInterval); 2173 2174 ret = usb_submit_urb(sc->urb_int, GFP_KERNEL); 2175 if (ret < 0) { 2176 uea_err(INS_TO_USBDEV(sc), 2177 "urb submission failed with error %d\n", ret); 2178 goto err1; 2179 } 2180 2181 /* Create worker thread, but don't start it here. Start it after 2182 * all usbatm generic initialization is done. 2183 */ 2184 sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm"); 2185 if (IS_ERR(sc->kthread)) { 2186 uea_err(INS_TO_USBDEV(sc), "failed to create thread\n"); 2187 ret = PTR_ERR(sc->kthread); 2188 goto err2; 2189 } 2190 2191 uea_leaves(INS_TO_USBDEV(sc)); 2192 return 0; 2193 2194 err2: 2195 usb_kill_urb(sc->urb_int); 2196 err1: 2197 usb_free_urb(sc->urb_int); 2198 sc->urb_int = NULL; 2199 kfree(intr); 2200 err0: 2201 uea_leaves(INS_TO_USBDEV(sc)); 2202 return ret; 2203 } 2204 2205 /* 2206 * Stop the modem : kill kernel thread and free data 2207 */ 2208 static void uea_stop(struct uea_softc *sc) 2209 { 2210 int ret; 2211 uea_enters(INS_TO_USBDEV(sc)); 2212 ret = kthread_stop(sc->kthread); 2213 uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret); 2214 2215 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 2216 2217 usb_kill_urb(sc->urb_int); 2218 kfree(sc->urb_int->transfer_buffer); 2219 usb_free_urb(sc->urb_int); 2220 2221 /* flush the work item, when no one can schedule it */ 2222 flush_work(&sc->task); 2223 2224 release_firmware(sc->dsp_firm); 2225 uea_leaves(INS_TO_USBDEV(sc)); 2226 } 2227 2228 /* syfs interface */ 2229 static struct uea_softc *dev_to_uea(struct device *dev) 2230 { 2231 struct usb_interface *intf; 2232 struct usbatm_data *usbatm; 2233 2234 intf = to_usb_interface(dev); 2235 if (!intf) 2236 return NULL; 2237 2238 usbatm = usb_get_intfdata(intf); 2239 if (!usbatm) 2240 return NULL; 2241 2242 return usbatm->driver_data; 2243 } 2244 2245 static ssize_t stat_status_show(struct device *dev, struct device_attribute *attr, 2246 char *buf) 2247 { 2248 int ret = -ENODEV; 2249 struct uea_softc *sc; 2250 2251 mutex_lock(&uea_mutex); 2252 sc = dev_to_uea(dev); 2253 if (!sc) 2254 goto out; 2255 ret = sysfs_emit(buf, "%08x\n", sc->stats.phy.state); 2256 out: 2257 mutex_unlock(&uea_mutex); 2258 return ret; 2259 } 2260 2261 static ssize_t stat_status_store(struct device *dev, struct device_attribute *attr, 2262 const char *buf, size_t count) 2263 { 2264 int ret = -ENODEV; 2265 struct uea_softc *sc; 2266 2267 mutex_lock(&uea_mutex); 2268 sc = dev_to_uea(dev); 2269 if (!sc) 2270 goto out; 2271 sc->reset = 1; 2272 ret = count; 2273 out: 2274 mutex_unlock(&uea_mutex); 2275 return ret; 2276 } 2277 2278 static DEVICE_ATTR_RW(stat_status); 2279 2280 static ssize_t stat_human_status_show(struct device *dev, 2281 struct device_attribute *attr, char *buf) 2282 { 2283 int ret = -ENODEV; 2284 int modem_state; 2285 struct uea_softc *sc; 2286 2287 mutex_lock(&uea_mutex); 2288 sc = dev_to_uea(dev); 2289 if (!sc) 2290 goto out; 2291 2292 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2293 switch (sc->stats.phy.state) { 2294 case 0x0: /* not yet synchronized */ 2295 case 0x1: 2296 case 0x3: 2297 case 0x4: 2298 modem_state = 0; 2299 break; 2300 case 0x5: /* initialization */ 2301 case 0x6: 2302 case 0x9: 2303 case 0xa: 2304 modem_state = 1; 2305 break; 2306 case 0x7: /* operational */ 2307 modem_state = 2; 2308 break; 2309 case 0x2: /* fail ... */ 2310 modem_state = 3; 2311 break; 2312 default: /* unknown */ 2313 modem_state = 4; 2314 break; 2315 } 2316 } else 2317 modem_state = GET_STATUS(sc->stats.phy.state); 2318 2319 switch (modem_state) { 2320 case 0: 2321 ret = sysfs_emit(buf, "Modem is booting\n"); 2322 break; 2323 case 1: 2324 ret = sysfs_emit(buf, "Modem is initializing\n"); 2325 break; 2326 case 2: 2327 ret = sysfs_emit(buf, "Modem is operational\n"); 2328 break; 2329 case 3: 2330 ret = sysfs_emit(buf, "Modem synchronization failed\n"); 2331 break; 2332 default: 2333 ret = sysfs_emit(buf, "Modem state is unknown\n"); 2334 break; 2335 } 2336 out: 2337 mutex_unlock(&uea_mutex); 2338 return ret; 2339 } 2340 2341 static DEVICE_ATTR_RO(stat_human_status); 2342 2343 static ssize_t stat_delin_show(struct device *dev, struct device_attribute *attr, 2344 char *buf) 2345 { 2346 int ret = -ENODEV; 2347 struct uea_softc *sc; 2348 char *delin = "GOOD"; 2349 2350 mutex_lock(&uea_mutex); 2351 sc = dev_to_uea(dev); 2352 if (!sc) 2353 goto out; 2354 2355 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2356 if (sc->stats.phy.flags & 0x4000) 2357 delin = "RESET"; 2358 else if (sc->stats.phy.flags & 0x0001) 2359 delin = "LOSS"; 2360 } else { 2361 if (sc->stats.phy.flags & 0x0C00) 2362 delin = "ERROR"; 2363 else if (sc->stats.phy.flags & 0x0030) 2364 delin = "LOSS"; 2365 } 2366 2367 ret = sysfs_emit(buf, "%s\n", delin); 2368 out: 2369 mutex_unlock(&uea_mutex); 2370 return ret; 2371 } 2372 2373 static DEVICE_ATTR_RO(stat_delin); 2374 2375 #define UEA_ATTR(name, reset) \ 2376 \ 2377 static ssize_t stat_##name##_show(struct device *dev, \ 2378 struct device_attribute *attr, char *buf) \ 2379 { \ 2380 int ret = -ENODEV; \ 2381 struct uea_softc *sc; \ 2382 \ 2383 mutex_lock(&uea_mutex); \ 2384 sc = dev_to_uea(dev); \ 2385 if (!sc) \ 2386 goto out; \ 2387 ret = sysfs_emit(buf, "%08x\n", sc->stats.phy.name); \ 2388 if (reset) \ 2389 sc->stats.phy.name = 0; \ 2390 out: \ 2391 mutex_unlock(&uea_mutex); \ 2392 return ret; \ 2393 } \ 2394 \ 2395 static DEVICE_ATTR_RO(stat_##name) 2396 2397 UEA_ATTR(mflags, 1); 2398 UEA_ATTR(vidcpe, 0); 2399 UEA_ATTR(usrate, 0); 2400 UEA_ATTR(dsrate, 0); 2401 UEA_ATTR(usattenuation, 0); 2402 UEA_ATTR(dsattenuation, 0); 2403 UEA_ATTR(usmargin, 0); 2404 UEA_ATTR(dsmargin, 0); 2405 UEA_ATTR(txflow, 0); 2406 UEA_ATTR(rxflow, 0); 2407 UEA_ATTR(uscorr, 0); 2408 UEA_ATTR(dscorr, 0); 2409 UEA_ATTR(usunc, 0); 2410 UEA_ATTR(dsunc, 0); 2411 UEA_ATTR(firmid, 0); 2412 2413 /* Retrieve the device End System Identifier (MAC) */ 2414 2415 static int uea_getesi(struct uea_softc *sc, u_char *esi) 2416 { 2417 unsigned char mac_str[2 * ETH_ALEN + 1]; 2418 int i; 2419 if (usb_string 2420 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str, 2421 sizeof(mac_str)) != 2 * ETH_ALEN) 2422 return 1; 2423 2424 for (i = 0; i < ETH_ALEN; i++) 2425 esi[i] = hex_to_bin(mac_str[2 * i]) * 16 + 2426 hex_to_bin(mac_str[2 * i + 1]); 2427 2428 return 0; 2429 } 2430 2431 /* ATM stuff */ 2432 static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev) 2433 { 2434 struct uea_softc *sc = usbatm->driver_data; 2435 2436 return uea_getesi(sc, atm_dev->esi); 2437 } 2438 2439 static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf) 2440 { 2441 struct uea_softc *sc = usbatm->driver_data; 2442 2443 wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc)); 2444 2445 return 0; 2446 2447 } 2448 2449 static int claim_interface(struct usb_device *usb_dev, 2450 struct usbatm_data *usbatm, int ifnum) 2451 { 2452 int ret; 2453 struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum); 2454 2455 if (!intf) { 2456 uea_err(usb_dev, "interface %d not found\n", ifnum); 2457 return -ENODEV; 2458 } 2459 2460 ret = usb_driver_claim_interface(&uea_driver, intf, usbatm); 2461 if (ret != 0) 2462 uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum, 2463 ret); 2464 return ret; 2465 } 2466 2467 static struct attribute *uea_attrs[] = { 2468 &dev_attr_stat_status.attr, 2469 &dev_attr_stat_mflags.attr, 2470 &dev_attr_stat_human_status.attr, 2471 &dev_attr_stat_delin.attr, 2472 &dev_attr_stat_vidcpe.attr, 2473 &dev_attr_stat_usrate.attr, 2474 &dev_attr_stat_dsrate.attr, 2475 &dev_attr_stat_usattenuation.attr, 2476 &dev_attr_stat_dsattenuation.attr, 2477 &dev_attr_stat_usmargin.attr, 2478 &dev_attr_stat_dsmargin.attr, 2479 &dev_attr_stat_txflow.attr, 2480 &dev_attr_stat_rxflow.attr, 2481 &dev_attr_stat_uscorr.attr, 2482 &dev_attr_stat_dscorr.attr, 2483 &dev_attr_stat_usunc.attr, 2484 &dev_attr_stat_dsunc.attr, 2485 &dev_attr_stat_firmid.attr, 2486 NULL, 2487 }; 2488 ATTRIBUTE_GROUPS(uea); 2489 2490 static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, 2491 const struct usb_device_id *id) 2492 { 2493 struct usb_device *usb = interface_to_usbdev(intf); 2494 struct uea_softc *sc; 2495 int ret, ifnum = intf->altsetting->desc.bInterfaceNumber; 2496 unsigned int alt; 2497 2498 uea_enters(usb); 2499 2500 /* interface 0 is for firmware/monitoring */ 2501 if (ifnum != UEA_INTR_IFACE_NO) 2502 return -ENODEV; 2503 2504 usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT); 2505 2506 /* interface 1 is for outbound traffic */ 2507 ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO); 2508 if (ret < 0) 2509 return ret; 2510 2511 /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */ 2512 if (UEA_CHIP_VERSION(id) != ADI930) { 2513 /* interface 2 is for inbound traffic */ 2514 ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO); 2515 if (ret < 0) 2516 return ret; 2517 } 2518 2519 sc = kzalloc_obj(struct uea_softc); 2520 if (!sc) 2521 return -ENOMEM; 2522 2523 sc->usb_dev = usb; 2524 usbatm->driver_data = sc; 2525 sc->usbatm = usbatm; 2526 sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0; 2527 sc->driver_info = id->driver_info; 2528 2529 /* first try to use module parameter */ 2530 if (annex[sc->modem_index] == 1) 2531 sc->annex = ANNEXA; 2532 else if (annex[sc->modem_index] == 2) 2533 sc->annex = ANNEXB; 2534 /* try to autodetect annex */ 2535 else if (sc->driver_info & AUTO_ANNEX_A) 2536 sc->annex = ANNEXA; 2537 else if (sc->driver_info & AUTO_ANNEX_B) 2538 sc->annex = ANNEXB; 2539 else 2540 sc->annex = (le16_to_cpu 2541 (sc->usb_dev->descriptor.bcdDevice) & 0x80) ? ANNEXB : ANNEXA; 2542 2543 alt = altsetting[sc->modem_index]; 2544 /* ADI930 don't support iso */ 2545 if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) { 2546 if (alt <= 8 && 2547 usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) { 2548 uea_dbg(usb, "set alternate %u for 2 interface\n", alt); 2549 uea_info(usb, "using iso mode\n"); 2550 usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ; 2551 } else { 2552 uea_err(usb, "setting alternate %u failed for " 2553 "2 interface, using bulk mode\n", alt); 2554 } 2555 } 2556 2557 ret = uea_boot(sc, intf); 2558 if (ret < 0) 2559 goto error; 2560 2561 return 0; 2562 2563 error: 2564 kfree(sc); 2565 return ret; 2566 } 2567 2568 static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) 2569 { 2570 struct uea_softc *sc = usbatm->driver_data; 2571 2572 uea_stop(sc); 2573 kfree(sc); 2574 } 2575 2576 static struct usbatm_driver uea_usbatm_driver = { 2577 .driver_name = "ueagle-atm", 2578 .bind = uea_bind, 2579 .atm_start = uea_atm_open, 2580 .unbind = uea_unbind, 2581 .heavy_init = uea_heavy, 2582 .bulk_in = UEA_BULK_DATA_PIPE, 2583 .bulk_out = UEA_BULK_DATA_PIPE, 2584 .isoc_in = UEA_ISO_DATA_PIPE, 2585 }; 2586 2587 static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id) 2588 { 2589 struct usb_device *usb = interface_to_usbdev(intf); 2590 int ret; 2591 2592 uea_enters(usb); 2593 uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n", 2594 le16_to_cpu(usb->descriptor.idVendor), 2595 le16_to_cpu(usb->descriptor.idProduct), 2596 le16_to_cpu(usb->descriptor.bcdDevice), 2597 chip_name[UEA_CHIP_VERSION(id)]); 2598 2599 usb_reset_device(usb); 2600 2601 if (UEA_IS_PREFIRM(id)) 2602 return uea_load_firmware(usb, UEA_CHIP_VERSION(id)); 2603 2604 ret = usbatm_usb_probe(intf, id, &uea_usbatm_driver); 2605 if (ret == 0) { 2606 struct usbatm_data *usbatm = usb_get_intfdata(intf); 2607 struct uea_softc *sc = usbatm->driver_data; 2608 2609 /* Ensure carrier is initialized to off as early as possible */ 2610 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); 2611 2612 /* Only start the worker thread when all init is done */ 2613 wake_up_process(sc->kthread); 2614 } 2615 2616 return ret; 2617 } 2618 2619 static void uea_disconnect(struct usb_interface *intf) 2620 { 2621 struct usb_device *usb = interface_to_usbdev(intf); 2622 int ifnum = intf->altsetting->desc.bInterfaceNumber; 2623 uea_enters(usb); 2624 2625 /* ADI930 has 2 interfaces and eagle 3 interfaces. 2626 * Pre-firmware device has one interface 2627 */ 2628 if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) { 2629 mutex_lock(&uea_mutex); 2630 usbatm_usb_disconnect(intf); 2631 mutex_unlock(&uea_mutex); 2632 uea_info(usb, "ADSL device removed\n"); 2633 } 2634 2635 uea_leaves(usb); 2636 } 2637 2638 /* 2639 * List of supported VID/PID 2640 */ 2641 static const struct usb_device_id uea_ids[] = { 2642 {USB_DEVICE(ANALOG_VID, ADI930_PID_PREFIRM), 2643 .driver_info = ADI930 | PREFIRM}, 2644 {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM), 2645 .driver_info = ADI930 | PSTFIRM}, 2646 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM), 2647 .driver_info = EAGLE_I | PREFIRM}, 2648 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM), 2649 .driver_info = EAGLE_I | PSTFIRM}, 2650 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM), 2651 .driver_info = EAGLE_II | PREFIRM}, 2652 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM), 2653 .driver_info = EAGLE_II | PSTFIRM}, 2654 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM), 2655 .driver_info = EAGLE_II | PREFIRM}, 2656 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM), 2657 .driver_info = EAGLE_II | PSTFIRM}, 2658 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM), 2659 .driver_info = EAGLE_III | PREFIRM}, 2660 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM), 2661 .driver_info = EAGLE_III | PSTFIRM}, 2662 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM), 2663 .driver_info = EAGLE_IV | PREFIRM}, 2664 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM), 2665 .driver_info = EAGLE_IV | PSTFIRM}, 2666 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PREFIRM), 2667 .driver_info = EAGLE_I | PREFIRM}, 2668 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PSTFIRM), 2669 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2670 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PREFIRM), 2671 .driver_info = EAGLE_I | PREFIRM}, 2672 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PSTFIRM), 2673 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2674 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PREFIRM), 2675 .driver_info = EAGLE_II | PREFIRM}, 2676 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PSTFIRM), 2677 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A}, 2678 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PREFIRM), 2679 .driver_info = EAGLE_II | PREFIRM}, 2680 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PSTFIRM), 2681 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B}, 2682 {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), 2683 .driver_info = ADI930 | PREFIRM}, 2684 {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), 2685 .driver_info = ADI930 | PSTFIRM}, 2686 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM), 2687 .driver_info = ADI930 | PREFIRM}, 2688 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM), 2689 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A}, 2690 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM), 2691 .driver_info = ADI930 | PREFIRM}, 2692 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM), 2693 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B}, 2694 {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), 2695 .driver_info = EAGLE_I | PREFIRM}, 2696 {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), 2697 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2698 {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), 2699 .driver_info = EAGLE_I | PREFIRM}, 2700 {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), 2701 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2702 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM), 2703 .driver_info = EAGLE_I | PREFIRM}, 2704 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM), 2705 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2706 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM), 2707 .driver_info = EAGLE_I | PREFIRM}, 2708 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM), 2709 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2710 {} 2711 }; 2712 2713 /* 2714 * USB driver descriptor 2715 */ 2716 static struct usb_driver uea_driver = { 2717 .name = "ueagle-atm", 2718 .id_table = uea_ids, 2719 .probe = uea_probe, 2720 .disconnect = uea_disconnect, 2721 .dev_groups = uea_groups, 2722 }; 2723 2724 MODULE_DEVICE_TABLE(usb, uea_ids); 2725 2726 module_usb_driver(uea_driver); 2727 2728 MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); 2729 MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); 2730 MODULE_LICENSE("Dual BSD/GPL"); 2731 MODULE_FIRMWARE(EAGLE_FIRMWARE); 2732 MODULE_FIRMWARE(ADI930_FIRMWARE); 2733 MODULE_FIRMWARE(EAGLE_I_FIRMWARE); 2734 MODULE_FIRMWARE(EAGLE_II_FIRMWARE); 2735 MODULE_FIRMWARE(EAGLE_III_FIRMWARE); 2736 MODULE_FIRMWARE(EAGLE_IV_FIRMWARE); 2737 MODULE_FIRMWARE(DSP4I_FIRMWARE); 2738 MODULE_FIRMWARE(DSP4P_FIRMWARE); 2739 MODULE_FIRMWARE(DSP9I_FIRMWARE); 2740 MODULE_FIRMWARE(DSP9P_FIRMWARE); 2741 MODULE_FIRMWARE(DSPEI_FIRMWARE); 2742 MODULE_FIRMWARE(DSPEP_FIRMWARE); 2743 MODULE_FIRMWARE(FPGA930_FIRMWARE); 2744 MODULE_FIRMWARE(CMV4P_FIRMWARE); 2745 MODULE_FIRMWARE(CMV4PV2_FIRMWARE); 2746 MODULE_FIRMWARE(CMV4I_FIRMWARE); 2747 MODULE_FIRMWARE(CMV4IV2_FIRMWARE); 2748 MODULE_FIRMWARE(CMV9P_FIRMWARE); 2749 MODULE_FIRMWARE(CMV9PV2_FIRMWARE); 2750 MODULE_FIRMWARE(CMV9I_FIRMWARE); 2751 MODULE_FIRMWARE(CMV9IV2_FIRMWARE); 2752 MODULE_FIRMWARE(CMVEP_FIRMWARE); 2753 MODULE_FIRMWARE(CMVEPV2_FIRMWARE); 2754 MODULE_FIRMWARE(CMVEI_FIRMWARE); 2755 MODULE_FIRMWARE(CMVEIV2_FIRMWARE); 2756