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/usb.h> 19 #include <linux/firmware.h> 20 #include <linux/ctype.h> 21 #include <linux/sched.h> 22 #include <linux/kthread.h> 23 #include <linux/mutex.h> 24 #include <linux/freezer.h> 25 #include <linux/slab.h> 26 #include <linux/kernel.h> 27 28 #include <asm/unaligned.h> 29 30 #include "usbatm.h" 31 32 #define EAGLEUSBVERSION "ueagle 1.4" 33 34 35 /* 36 * Debug macros 37 */ 38 #define uea_dbg(usb_dev, format, args...) \ 39 do { \ 40 if (debug >= 1) \ 41 dev_dbg(&(usb_dev)->dev, \ 42 "[ueagle-atm dbg] %s: " format, \ 43 __func__, ##args); \ 44 } while (0) 45 46 #define uea_vdbg(usb_dev, format, args...) \ 47 do { \ 48 if (debug >= 2) \ 49 dev_dbg(&(usb_dev)->dev, \ 50 "[ueagle-atm vdbg] " format, ##args); \ 51 } while (0) 52 53 #define uea_enters(usb_dev) \ 54 uea_vdbg(usb_dev, "entering %s\n" , __func__) 55 56 #define uea_leaves(usb_dev) \ 57 uea_vdbg(usb_dev, "leaving %s\n" , __func__) 58 59 #define uea_err(usb_dev, format, args...) \ 60 dev_err(&(usb_dev)->dev , "[UEAGLE-ATM] " format , ##args) 61 62 #define uea_warn(usb_dev, format, args...) \ 63 dev_warn(&(usb_dev)->dev , "[Ueagle-atm] " format, ##args) 64 65 #define uea_info(usb_dev, format, args...) \ 66 dev_info(&(usb_dev)->dev , "[ueagle-atm] " format, ##args) 67 68 struct intr_pkt; 69 70 /* cmv's from firmware */ 71 struct uea_cmvs_v1 { 72 u32 address; 73 u16 offset; 74 u32 data; 75 } __packed; 76 77 struct uea_cmvs_v2 { 78 u32 group; 79 u32 address; 80 u32 offset; 81 u32 data; 82 } __packed; 83 84 /* information about currently processed cmv */ 85 struct cmv_dsc_e1 { 86 u8 function; 87 u16 idx; 88 u32 address; 89 u16 offset; 90 }; 91 92 struct cmv_dsc_e4 { 93 u16 function; 94 u16 offset; 95 u16 address; 96 u16 group; 97 }; 98 99 union cmv_dsc { 100 struct cmv_dsc_e1 e1; 101 struct cmv_dsc_e4 e4; 102 }; 103 104 struct uea_softc { 105 struct usb_device *usb_dev; 106 struct usbatm_data *usbatm; 107 108 int modem_index; 109 unsigned int driver_info; 110 int annex; 111 #define ANNEXA 0 112 #define ANNEXB 1 113 114 int booting; 115 int reset; 116 117 wait_queue_head_t sync_q; 118 119 struct task_struct *kthread; 120 u32 data; 121 u32 data1; 122 123 int cmv_ack; 124 union cmv_dsc cmv_dsc; 125 126 struct work_struct task; 127 u16 pageno; 128 u16 ovl; 129 130 const struct firmware *dsp_firm; 131 struct urb *urb_int; 132 133 void (*dispatch_cmv)(struct uea_softc *, struct intr_pkt *); 134 void (*schedule_load_page)(struct uea_softc *, struct intr_pkt *); 135 int (*stat)(struct uea_softc *); 136 int (*send_cmvs)(struct uea_softc *); 137 138 /* keep in sync with eaglectl */ 139 struct uea_stats { 140 struct { 141 u32 state; 142 u32 flags; 143 u32 mflags; 144 u32 vidcpe; 145 u32 vidco; 146 u32 dsrate; 147 u32 usrate; 148 u32 dsunc; 149 u32 usunc; 150 u32 dscorr; 151 u32 uscorr; 152 u32 txflow; 153 u32 rxflow; 154 u32 usattenuation; 155 u32 dsattenuation; 156 u32 dsmargin; 157 u32 usmargin; 158 u32 firmid; 159 } phy; 160 } stats; 161 }; 162 163 /* 164 * Elsa IDs 165 */ 166 #define ELSA_VID 0x05CC 167 #define ELSA_PID_PSTFIRM 0x3350 168 #define ELSA_PID_PREFIRM 0x3351 169 170 #define ELSA_PID_A_PREFIRM 0x3352 171 #define ELSA_PID_A_PSTFIRM 0x3353 172 #define ELSA_PID_B_PREFIRM 0x3362 173 #define ELSA_PID_B_PSTFIRM 0x3363 174 175 /* 176 * Devolo IDs : pots if (pid & 0x10) 177 */ 178 #define DEVOLO_VID 0x1039 179 #define DEVOLO_EAGLE_I_A_PID_PSTFIRM 0x2110 180 #define DEVOLO_EAGLE_I_A_PID_PREFIRM 0x2111 181 182 #define DEVOLO_EAGLE_I_B_PID_PSTFIRM 0x2100 183 #define DEVOLO_EAGLE_I_B_PID_PREFIRM 0x2101 184 185 #define DEVOLO_EAGLE_II_A_PID_PSTFIRM 0x2130 186 #define DEVOLO_EAGLE_II_A_PID_PREFIRM 0x2131 187 188 #define DEVOLO_EAGLE_II_B_PID_PSTFIRM 0x2120 189 #define DEVOLO_EAGLE_II_B_PID_PREFIRM 0x2121 190 191 /* 192 * Reference design USB IDs 193 */ 194 #define ANALOG_VID 0x1110 195 #define ADI930_PID_PREFIRM 0x9001 196 #define ADI930_PID_PSTFIRM 0x9000 197 198 #define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */ 199 #define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */ 200 201 #define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */ 202 #define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */ 203 204 #define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */ 205 #define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */ 206 207 #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */ 208 #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */ 209 210 #define EAGLE_IV_PID_PREFIRM 0x9042 /* Eagle IV */ 211 #define EAGLE_IV_PID_PSTFIRM 0x9041 /* Eagle IV */ 212 213 /* 214 * USR USB IDs 215 */ 216 #define USR_VID 0x0BAF 217 #define MILLER_A_PID_PREFIRM 0x00F2 218 #define MILLER_A_PID_PSTFIRM 0x00F1 219 #define MILLER_B_PID_PREFIRM 0x00FA 220 #define MILLER_B_PID_PSTFIRM 0x00F9 221 #define HEINEKEN_A_PID_PREFIRM 0x00F6 222 #define HEINEKEN_A_PID_PSTFIRM 0x00F5 223 #define HEINEKEN_B_PID_PREFIRM 0x00F8 224 #define HEINEKEN_B_PID_PSTFIRM 0x00F7 225 226 #define PREFIRM 0 227 #define PSTFIRM (1<<7) 228 #define AUTO_ANNEX_A (1<<8) 229 #define AUTO_ANNEX_B (1<<9) 230 231 enum { 232 ADI930 = 0, 233 EAGLE_I, 234 EAGLE_II, 235 EAGLE_III, 236 EAGLE_IV 237 }; 238 239 /* macros for both struct usb_device_id and struct uea_softc */ 240 #define UEA_IS_PREFIRM(x) \ 241 (!((x)->driver_info & PSTFIRM)) 242 #define UEA_CHIP_VERSION(x) \ 243 ((x)->driver_info & 0xf) 244 245 #define IS_ISDN(x) \ 246 ((x)->annex & ANNEXB) 247 248 #define INS_TO_USBDEV(ins) (ins->usb_dev) 249 250 #define GET_STATUS(data) \ 251 ((data >> 8) & 0xf) 252 253 #define IS_OPERATIONAL(sc) \ 254 ((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \ 255 (GET_STATUS(sc->stats.phy.state) == 2) : \ 256 (sc->stats.phy.state == 7)) 257 258 /* 259 * Set of macros to handle unaligned data in the firmware blob. 260 * The FW_GET_BYTE() macro is provided only for consistency. 261 */ 262 263 #define FW_GET_BYTE(p) (*((__u8 *) (p))) 264 265 #define FW_DIR "ueagle-atm/" 266 #define EAGLE_FIRMWARE FW_DIR "eagle.fw" 267 #define ADI930_FIRMWARE FW_DIR "adi930.fw" 268 #define EAGLE_I_FIRMWARE FW_DIR "eagleI.fw" 269 #define EAGLE_II_FIRMWARE FW_DIR "eagleII.fw" 270 #define EAGLE_III_FIRMWARE FW_DIR "eagleIII.fw" 271 #define EAGLE_IV_FIRMWARE FW_DIR "eagleIV.fw" 272 273 #define DSP4I_FIRMWARE FW_DIR "DSP4i.bin" 274 #define DSP4P_FIRMWARE FW_DIR "DSP4p.bin" 275 #define DSP9I_FIRMWARE FW_DIR "DSP9i.bin" 276 #define DSP9P_FIRMWARE FW_DIR "DSP9p.bin" 277 #define DSPEI_FIRMWARE FW_DIR "DSPei.bin" 278 #define DSPEP_FIRMWARE FW_DIR "DSPep.bin" 279 #define FPGA930_FIRMWARE FW_DIR "930-fpga.bin" 280 281 #define CMV4P_FIRMWARE FW_DIR "CMV4p.bin" 282 #define CMV4PV2_FIRMWARE FW_DIR "CMV4p.bin.v2" 283 #define CMV4I_FIRMWARE FW_DIR "CMV4i.bin" 284 #define CMV4IV2_FIRMWARE FW_DIR "CMV4i.bin.v2" 285 #define CMV9P_FIRMWARE FW_DIR "CMV9p.bin" 286 #define CMV9PV2_FIRMWARE FW_DIR "CMV9p.bin.v2" 287 #define CMV9I_FIRMWARE FW_DIR "CMV9i.bin" 288 #define CMV9IV2_FIRMWARE FW_DIR "CMV9i.bin.v2" 289 #define CMVEP_FIRMWARE FW_DIR "CMVep.bin" 290 #define CMVEPV2_FIRMWARE FW_DIR "CMVep.bin.v2" 291 #define CMVEI_FIRMWARE FW_DIR "CMVei.bin" 292 #define CMVEIV2_FIRMWARE FW_DIR "CMVei.bin.v2" 293 294 #define UEA_FW_NAME_MAX 30 295 #define NB_MODEM 4 296 297 #define BULK_TIMEOUT 300 298 #define CTRL_TIMEOUT 1000 299 300 #define ACK_TIMEOUT msecs_to_jiffies(3000) 301 302 #define UEA_INTR_IFACE_NO 0 303 #define UEA_US_IFACE_NO 1 304 #define UEA_DS_IFACE_NO 2 305 306 #define FASTEST_ISO_INTF 8 307 308 #define UEA_BULK_DATA_PIPE 0x02 309 #define UEA_IDMA_PIPE 0x04 310 #define UEA_INTR_PIPE 0x04 311 #define UEA_ISO_DATA_PIPE 0x08 312 313 #define UEA_E1_SET_BLOCK 0x0001 314 #define UEA_E4_SET_BLOCK 0x002c 315 #define UEA_SET_MODE 0x0003 316 #define UEA_SET_2183_DATA 0x0004 317 #define UEA_SET_TIMEOUT 0x0011 318 319 #define UEA_LOOPBACK_OFF 0x0002 320 #define UEA_LOOPBACK_ON 0x0003 321 #define UEA_BOOT_IDMA 0x0006 322 #define UEA_START_RESET 0x0007 323 #define UEA_END_RESET 0x0008 324 325 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000) 326 #define UEA_MPTX_START (0x3fce | 0x4000) 327 #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000) 328 #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000) 329 330 /* block information in eagle4 dsp firmware */ 331 struct block_index { 332 __le32 PageOffset; 333 __le32 NotLastBlock; 334 __le32 dummy; 335 __le32 PageSize; 336 __le32 PageAddress; 337 __le16 dummy1; 338 __le16 PageNumber; 339 } __packed; 340 341 #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000) 342 #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4) 343 344 #define E4_L1_STRING_HEADER 0x10 345 #define E4_MAX_PAGE_NUMBER 0x58 346 #define E4_NO_SWAPPAGE_HEADERS 0x31 347 348 /* l1_code is eagle4 dsp firmware format */ 349 struct l1_code { 350 u8 string_header[E4_L1_STRING_HEADER]; 351 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER]; 352 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS]; 353 u8 code[]; 354 } __packed; 355 356 /* structures describing a block within a DSP page */ 357 struct block_info_e1 { 358 __le16 wHdr; 359 __le16 wAddress; 360 __le16 wSize; 361 __le16 wOvlOffset; 362 __le16 wOvl; /* overlay */ 363 __le16 wLast; 364 } __packed; 365 #define E1_BLOCK_INFO_SIZE 12 366 367 struct block_info_e4 { 368 __be16 wHdr; 369 __u8 bBootPage; 370 __u8 bPageNumber; 371 __be32 dwSize; 372 __be32 dwAddress; 373 __be16 wReserved; 374 } __packed; 375 #define E4_BLOCK_INFO_SIZE 14 376 377 #define UEA_BIHDR 0xabcd 378 #define UEA_RESERVED 0xffff 379 380 /* constants describing cmv type */ 381 #define E1_PREAMBLE 0x535c 382 #define E1_MODEMTOHOST 0x01 383 #define E1_HOSTTOMODEM 0x10 384 385 #define E1_MEMACCESS 0x1 386 #define E1_ADSLDIRECTIVE 0x7 387 #define E1_FUNCTION_TYPE(f) ((f) >> 4) 388 #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f) 389 390 #define E4_MEMACCESS 0 391 #define E4_ADSLDIRECTIVE 0xf 392 #define E4_FUNCTION_TYPE(f) ((f) >> 8) 393 #define E4_FUNCTION_SIZE(f) ((f) & 0x0f) 394 #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f) 395 396 /* for MEMACCESS */ 397 #define E1_REQUESTREAD 0x0 398 #define E1_REQUESTWRITE 0x1 399 #define E1_REPLYREAD 0x2 400 #define E1_REPLYWRITE 0x3 401 402 #define E4_REQUESTREAD 0x0 403 #define E4_REQUESTWRITE 0x4 404 #define E4_REPLYREAD (E4_REQUESTREAD | 1) 405 #define E4_REPLYWRITE (E4_REQUESTWRITE | 1) 406 407 /* for ADSLDIRECTIVE */ 408 #define E1_KERNELREADY 0x0 409 #define E1_MODEMREADY 0x1 410 411 #define E4_KERNELREADY 0x0 412 #define E4_MODEMREADY 0x1 413 414 #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf)) 415 #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | \ 416 ((st) & 0xf) << 4 | ((s) & 0xf)) 417 418 #define E1_MAKESA(a, b, c, d) \ 419 (((c) & 0xff) << 24 | \ 420 ((d) & 0xff) << 16 | \ 421 ((a) & 0xff) << 8 | \ 422 ((b) & 0xff)) 423 424 #define E1_GETSA1(a) ((a >> 8) & 0xff) 425 #define E1_GETSA2(a) (a & 0xff) 426 #define E1_GETSA3(a) ((a >> 24) & 0xff) 427 #define E1_GETSA4(a) ((a >> 16) & 0xff) 428 429 #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L') 430 #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G') 431 #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O') 432 #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N') 433 #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E') 434 #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T') 435 436 #define E4_SA_CNTL 1 437 #define E4_SA_STAT 2 438 #define E4_SA_INFO 3 439 #define E4_SA_TEST 4 440 #define E4_SA_OPTN 5 441 #define E4_SA_RATE 6 442 #define E4_SA_DIAG 7 443 #define E4_SA_CNFG 8 444 445 /* structures representing a CMV (Configuration and Management Variable) */ 446 struct cmv_e1 { 447 __le16 wPreamble; 448 __u8 bDirection; 449 __u8 bFunction; 450 __le16 wIndex; 451 __le32 dwSymbolicAddress; 452 __le16 wOffsetAddress; 453 __le32 dwData; 454 } __packed; 455 456 struct cmv_e4 { 457 __be16 wGroup; 458 __be16 wFunction; 459 __be16 wOffset; 460 __be16 wAddress; 461 __be32 dwData[6]; 462 } __packed; 463 464 /* structures representing swap information */ 465 struct swap_info_e1 { 466 __u8 bSwapPageNo; 467 __u8 bOvl; /* overlay */ 468 } __packed; 469 470 struct swap_info_e4 { 471 __u8 bSwapPageNo; 472 } __packed; 473 474 /* structures representing interrupt data */ 475 #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo 476 #define e1_bOvl u.e1.s1.swapinfo.bOvl 477 #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo 478 479 #define INT_LOADSWAPPAGE 0x0001 480 #define INT_INCOMINGCMV 0x0002 481 482 union intr_data_e1 { 483 struct { 484 struct swap_info_e1 swapinfo; 485 __le16 wDataSize; 486 } __packed s1; 487 struct { 488 struct cmv_e1 cmv; 489 __le16 wDataSize; 490 } __packed s2; 491 } __packed; 492 493 union intr_data_e4 { 494 struct { 495 struct swap_info_e4 swapinfo; 496 __le16 wDataSize; 497 } __packed s1; 498 struct { 499 struct cmv_e4 cmv; 500 __le16 wDataSize; 501 } __packed s2; 502 } __packed; 503 504 struct intr_pkt { 505 __u8 bType; 506 __u8 bNotification; 507 __le16 wValue; 508 __le16 wIndex; 509 __le16 wLength; 510 __le16 wInterrupt; 511 union { 512 union intr_data_e1 e1; 513 union intr_data_e4 e4; 514 } u; 515 } __packed; 516 517 #define E1_INTR_PKT_SIZE 28 518 #define E4_INTR_PKT_SIZE 64 519 520 static struct usb_driver uea_driver; 521 static DEFINE_MUTEX(uea_mutex); 522 static const char * const chip_name[] = { 523 "ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"}; 524 525 static int modem_index; 526 static unsigned int debug; 527 static unsigned int altsetting[NB_MODEM] = { 528 [0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF}; 529 static bool sync_wait[NB_MODEM]; 530 static char *cmv_file[NB_MODEM]; 531 static int annex[NB_MODEM]; 532 533 module_param(debug, uint, 0644); 534 MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)"); 535 module_param_array(altsetting, uint, NULL, 0644); 536 MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, " 537 "1=isoc slowest, ... , 8=isoc fastest (default)"); 538 module_param_array(sync_wait, bool, NULL, 0644); 539 MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM"); 540 module_param_array(cmv_file, charp, NULL, 0644); 541 MODULE_PARM_DESC(cmv_file, 542 "file name with configuration and management variables"); 543 module_param_array(annex, uint, NULL, 0644); 544 MODULE_PARM_DESC(annex, 545 "manually set annex a/b (0=auto, 1=annex a, 2=annex b)"); 546 547 #define uea_wait(sc, cond, timeo) \ 548 ({ \ 549 int _r = wait_event_freezable_timeout(sc->sync_q, \ 550 (cond) || kthread_should_stop(), timeo); \ 551 if (kthread_should_stop()) \ 552 _r = -ENODEV; \ 553 _r; \ 554 }) 555 556 #define UPDATE_ATM_STAT(type, val) \ 557 do { \ 558 if (sc->usbatm->atm_dev) \ 559 sc->usbatm->atm_dev->type = val; \ 560 } while (0) 561 562 #define UPDATE_ATM_SIGNAL(val) \ 563 do { \ 564 if (sc->usbatm->atm_dev) \ 565 atm_dev_signal_change(sc->usbatm->atm_dev, val); \ 566 } while (0) 567 568 569 /* Firmware loading */ 570 #define LOAD_INTERNAL 0xA0 571 #define F8051_USBCS 0x7f92 572 573 /* 574 * uea_send_modem_cmd - Send a command for pre-firmware devices. 575 */ 576 static int uea_send_modem_cmd(struct usb_device *usb, 577 u16 addr, u16 size, const u8 *buff) 578 { 579 int ret = -ENOMEM; 580 u8 *xfer_buff; 581 582 xfer_buff = kmemdup(buff, size, GFP_KERNEL); 583 if (xfer_buff) { 584 ret = usb_control_msg(usb, 585 usb_sndctrlpipe(usb, 0), 586 LOAD_INTERNAL, 587 USB_DIR_OUT | USB_TYPE_VENDOR | 588 USB_RECIP_DEVICE, addr, 0, xfer_buff, 589 size, CTRL_TIMEOUT); 590 kfree(xfer_buff); 591 } 592 593 if (ret < 0) 594 return ret; 595 596 return (ret == size) ? 0 : -EIO; 597 } 598 599 static void uea_upload_pre_firmware(const struct firmware *fw_entry, 600 void *context) 601 { 602 struct usb_device *usb = context; 603 const u8 *pfw; 604 u8 value; 605 u32 crc = 0; 606 int ret, size; 607 608 uea_enters(usb); 609 if (!fw_entry) { 610 uea_err(usb, "firmware is not available\n"); 611 goto err; 612 } 613 614 pfw = fw_entry->data; 615 size = fw_entry->size; 616 if (size < 4) 617 goto err_fw_corrupted; 618 619 crc = get_unaligned_le32(pfw); 620 pfw += 4; 621 size -= 4; 622 if (crc32_be(0, pfw, size) != crc) 623 goto err_fw_corrupted; 624 625 /* 626 * Start to upload firmware : send reset 627 */ 628 value = 1; 629 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value); 630 631 if (ret < 0) { 632 uea_err(usb, "modem reset failed with error %d\n", ret); 633 goto err; 634 } 635 636 while (size > 3) { 637 u8 len = FW_GET_BYTE(pfw); 638 u16 add = get_unaligned_le16(pfw + 1); 639 640 size -= len + 3; 641 if (size < 0) 642 goto err_fw_corrupted; 643 644 ret = uea_send_modem_cmd(usb, add, len, pfw + 3); 645 if (ret < 0) { 646 uea_err(usb, "uploading firmware data failed " 647 "with error %d\n", ret); 648 goto err; 649 } 650 pfw += len + 3; 651 } 652 653 if (size != 0) 654 goto err_fw_corrupted; 655 656 /* 657 * Tell the modem we finish : de-assert reset 658 */ 659 value = 0; 660 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value); 661 if (ret < 0) 662 uea_err(usb, "modem de-assert failed with error %d\n", ret); 663 else 664 uea_info(usb, "firmware uploaded\n"); 665 666 goto err; 667 668 err_fw_corrupted: 669 uea_err(usb, "firmware is corrupted\n"); 670 err: 671 release_firmware(fw_entry); 672 uea_leaves(usb); 673 } 674 675 /* 676 * uea_load_firmware - Load usb firmware for pre-firmware devices. 677 */ 678 static int uea_load_firmware(struct usb_device *usb, unsigned int ver) 679 { 680 int ret; 681 char *fw_name = EAGLE_FIRMWARE; 682 683 uea_enters(usb); 684 uea_info(usb, "pre-firmware device, uploading firmware\n"); 685 686 switch (ver) { 687 case ADI930: 688 fw_name = ADI930_FIRMWARE; 689 break; 690 case EAGLE_I: 691 fw_name = EAGLE_I_FIRMWARE; 692 break; 693 case EAGLE_II: 694 fw_name = EAGLE_II_FIRMWARE; 695 break; 696 case EAGLE_III: 697 fw_name = EAGLE_III_FIRMWARE; 698 break; 699 case EAGLE_IV: 700 fw_name = EAGLE_IV_FIRMWARE; 701 break; 702 } 703 704 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, 705 GFP_KERNEL, usb, 706 uea_upload_pre_firmware); 707 if (ret) 708 uea_err(usb, "firmware %s is not available\n", fw_name); 709 else 710 uea_info(usb, "loading firmware %s\n", fw_name); 711 712 uea_leaves(usb); 713 return ret; 714 } 715 716 /* modem management : dsp firmware, send/read CMV, monitoring statistic 717 */ 718 719 /* 720 * Make sure that the DSP code provided is safe to use. 721 */ 722 static int check_dsp_e1(const u8 *dsp, unsigned int len) 723 { 724 u8 pagecount, blockcount; 725 u16 blocksize; 726 u32 pageoffset; 727 unsigned int i, j, p, pp; 728 729 pagecount = FW_GET_BYTE(dsp); 730 p = 1; 731 732 /* enough space for page offsets? */ 733 if (p + 4 * pagecount > len) 734 return 1; 735 736 for (i = 0; i < pagecount; i++) { 737 738 pageoffset = get_unaligned_le32(dsp + p); 739 p += 4; 740 741 if (pageoffset == 0) 742 continue; 743 744 /* enough space for blockcount? */ 745 if (pageoffset >= len) 746 return 1; 747 748 pp = pageoffset; 749 blockcount = FW_GET_BYTE(dsp + pp); 750 pp += 1; 751 752 for (j = 0; j < blockcount; j++) { 753 754 /* enough space for block header? */ 755 if (pp + 4 > len) 756 return 1; 757 758 pp += 2; /* skip blockaddr */ 759 blocksize = get_unaligned_le16(dsp + pp); 760 pp += 2; 761 762 /* enough space for block data? */ 763 if (pp + blocksize > len) 764 return 1; 765 766 pp += blocksize; 767 } 768 } 769 770 return 0; 771 } 772 773 static int check_dsp_e4(const u8 *dsp, int len) 774 { 775 int i; 776 struct l1_code *p = (struct l1_code *) dsp; 777 unsigned int sum = p->code - dsp; 778 779 if (len < sum) 780 return 1; 781 782 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 && 783 strcmp("STRATIPHY ANEXB", p->string_header) != 0) 784 return 1; 785 786 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) { 787 struct block_index *blockidx; 788 u8 blockno = p->page_number_to_block_index[i]; 789 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 790 continue; 791 792 do { 793 u64 l; 794 795 if (blockno >= E4_NO_SWAPPAGE_HEADERS) 796 return 1; 797 798 blockidx = &p->page_header[blockno++]; 799 if ((u8 *)(blockidx + 1) - dsp >= len) 800 return 1; 801 802 if (le16_to_cpu(blockidx->PageNumber) != i) 803 return 1; 804 805 l = E4_PAGE_BYTES(blockidx->PageSize); 806 sum += l; 807 l += le32_to_cpu(blockidx->PageOffset); 808 if (l > len) 809 return 1; 810 811 /* zero is zero regardless endianes */ 812 } while (blockidx->NotLastBlock); 813 } 814 815 return (sum == len) ? 0 : 1; 816 } 817 818 /* 819 * send data to the idma pipe 820 * */ 821 static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size) 822 { 823 int ret = -ENOMEM; 824 u8 *xfer_buff; 825 int bytes_read; 826 827 xfer_buff = kmemdup(data, size, GFP_KERNEL); 828 if (!xfer_buff) { 829 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 830 return ret; 831 } 832 833 ret = usb_bulk_msg(sc->usb_dev, 834 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE), 835 xfer_buff, size, &bytes_read, BULK_TIMEOUT); 836 837 kfree(xfer_buff); 838 if (ret < 0) 839 return ret; 840 if (size != bytes_read) { 841 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size, 842 bytes_read); 843 return -EIO; 844 } 845 846 return 0; 847 } 848 849 static int request_dsp(struct uea_softc *sc) 850 { 851 int ret; 852 char *dsp_name; 853 854 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 855 if (IS_ISDN(sc)) 856 dsp_name = DSP4I_FIRMWARE; 857 else 858 dsp_name = DSP4P_FIRMWARE; 859 } else if (UEA_CHIP_VERSION(sc) == ADI930) { 860 if (IS_ISDN(sc)) 861 dsp_name = DSP9I_FIRMWARE; 862 else 863 dsp_name = DSP9P_FIRMWARE; 864 } else { 865 if (IS_ISDN(sc)) 866 dsp_name = DSPEI_FIRMWARE; 867 else 868 dsp_name = DSPEP_FIRMWARE; 869 } 870 871 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev); 872 if (ret < 0) { 873 uea_err(INS_TO_USBDEV(sc), 874 "requesting firmware %s failed with error %d\n", 875 dsp_name, ret); 876 return ret; 877 } 878 879 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 880 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size); 881 else 882 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size); 883 884 if (ret) { 885 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 886 dsp_name); 887 release_firmware(sc->dsp_firm); 888 sc->dsp_firm = NULL; 889 return -EILSEQ; 890 } 891 892 return 0; 893 } 894 895 /* 896 * The uea_load_page() function must be called within a process context 897 */ 898 static void uea_load_page_e1(struct work_struct *work) 899 { 900 struct uea_softc *sc = container_of(work, struct uea_softc, task); 901 u16 pageno = sc->pageno; 902 u16 ovl = sc->ovl; 903 struct block_info_e1 bi; 904 905 const u8 *p; 906 u8 pagecount, blockcount; 907 u16 blockaddr, blocksize; 908 u32 pageoffset; 909 int i; 910 911 /* reload firmware when reboot start and it's loaded already */ 912 if (ovl == 0 && pageno == 0) { 913 release_firmware(sc->dsp_firm); 914 sc->dsp_firm = NULL; 915 } 916 917 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 918 return; 919 920 p = sc->dsp_firm->data; 921 pagecount = FW_GET_BYTE(p); 922 p += 1; 923 924 if (pageno >= pagecount) 925 goto bad1; 926 927 p += 4 * pageno; 928 pageoffset = get_unaligned_le32(p); 929 930 if (pageoffset == 0) 931 goto bad1; 932 933 p = sc->dsp_firm->data + pageoffset; 934 blockcount = FW_GET_BYTE(p); 935 p += 1; 936 937 uea_dbg(INS_TO_USBDEV(sc), 938 "sending %u blocks for DSP page %u\n", blockcount, pageno); 939 940 bi.wHdr = cpu_to_le16(UEA_BIHDR); 941 bi.wOvl = cpu_to_le16(ovl); 942 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000); 943 944 for (i = 0; i < blockcount; i++) { 945 blockaddr = get_unaligned_le16(p); 946 p += 2; 947 948 blocksize = get_unaligned_le16(p); 949 p += 2; 950 951 bi.wSize = cpu_to_le16(blocksize); 952 bi.wAddress = cpu_to_le16(blockaddr); 953 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0); 954 955 /* send block info through the IDMA pipe */ 956 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE)) 957 goto bad2; 958 959 /* send block data through the IDMA pipe */ 960 if (uea_idma_write(sc, p, blocksize)) 961 goto bad2; 962 963 p += blocksize; 964 } 965 966 return; 967 968 bad2: 969 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i); 970 return; 971 bad1: 972 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno); 973 } 974 975 static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot) 976 { 977 struct block_info_e4 bi; 978 struct block_index *blockidx; 979 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data; 980 u8 blockno = p->page_number_to_block_index[pageno]; 981 982 bi.wHdr = cpu_to_be16(UEA_BIHDR); 983 bi.bBootPage = boot; 984 bi.bPageNumber = pageno; 985 bi.wReserved = cpu_to_be16(UEA_RESERVED); 986 987 do { 988 const u8 *blockoffset; 989 unsigned int blocksize; 990 991 blockidx = &p->page_header[blockno]; 992 blocksize = E4_PAGE_BYTES(blockidx->PageSize); 993 blockoffset = sc->dsp_firm->data + le32_to_cpu( 994 blockidx->PageOffset); 995 996 bi.dwSize = cpu_to_be32(blocksize); 997 bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress)); 998 999 uea_dbg(INS_TO_USBDEV(sc), 1000 "sending block %u for DSP page " 1001 "%u size %u address %x\n", 1002 blockno, pageno, blocksize, 1003 le32_to_cpu(blockidx->PageAddress)); 1004 1005 /* send block info through the IDMA pipe */ 1006 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1007 goto bad; 1008 1009 /* send block data through the IDMA pipe */ 1010 if (uea_idma_write(sc, blockoffset, blocksize)) 1011 goto bad; 1012 1013 blockno++; 1014 } while (blockidx->NotLastBlock); 1015 1016 return; 1017 1018 bad: 1019 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno); 1020 return; 1021 } 1022 1023 static void uea_load_page_e4(struct work_struct *work) 1024 { 1025 struct uea_softc *sc = container_of(work, struct uea_softc, task); 1026 u8 pageno = sc->pageno; 1027 int i; 1028 struct block_info_e4 bi; 1029 struct l1_code *p; 1030 1031 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno); 1032 1033 /* reload firmware when reboot start and it's loaded already */ 1034 if (pageno == 0) { 1035 release_firmware(sc->dsp_firm); 1036 sc->dsp_firm = NULL; 1037 } 1038 1039 if (sc->dsp_firm == NULL && request_dsp(sc) < 0) 1040 return; 1041 1042 p = (struct l1_code *) sc->dsp_firm->data; 1043 if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) { 1044 uea_err(INS_TO_USBDEV(sc), "invalid DSP " 1045 "page %u requested\n", pageno); 1046 return; 1047 } 1048 1049 if (pageno != 0) { 1050 __uea_load_page_e4(sc, pageno, 0); 1051 return; 1052 } 1053 1054 uea_dbg(INS_TO_USBDEV(sc), 1055 "sending Main DSP page %u\n", p->page_header[0].PageNumber); 1056 1057 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) { 1058 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize)) 1059 __uea_load_page_e4(sc, i, 1); 1060 } 1061 1062 uea_dbg(INS_TO_USBDEV(sc) , "sending start bi\n"); 1063 1064 bi.wHdr = cpu_to_be16(UEA_BIHDR); 1065 bi.bBootPage = 0; 1066 bi.bPageNumber = 0xff; 1067 bi.wReserved = cpu_to_be16(UEA_RESERVED); 1068 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize)); 1069 bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress)); 1070 1071 /* send block info through the IDMA pipe */ 1072 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE)) 1073 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n"); 1074 } 1075 1076 static inline void wake_up_cmv_ack(struct uea_softc *sc) 1077 { 1078 BUG_ON(sc->cmv_ack); 1079 sc->cmv_ack = 1; 1080 wake_up(&sc->sync_q); 1081 } 1082 1083 static inline int wait_cmv_ack(struct uea_softc *sc) 1084 { 1085 int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT); 1086 1087 sc->cmv_ack = 0; 1088 1089 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n", 1090 jiffies_to_msecs(ret)); 1091 1092 if (ret < 0) 1093 return ret; 1094 1095 return (ret == 0) ? -ETIMEDOUT : 0; 1096 } 1097 1098 #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00 1099 1100 static int uea_request(struct uea_softc *sc, 1101 u16 value, u16 index, u16 size, const void *data) 1102 { 1103 u8 *xfer_buff; 1104 int ret = -ENOMEM; 1105 1106 xfer_buff = kmemdup(data, size, GFP_KERNEL); 1107 if (!xfer_buff) { 1108 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); 1109 return ret; 1110 } 1111 1112 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0), 1113 UCDC_SEND_ENCAPSULATED_COMMAND, 1114 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 1115 value, index, xfer_buff, size, CTRL_TIMEOUT); 1116 1117 kfree(xfer_buff); 1118 if (ret < 0) { 1119 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret); 1120 return ret; 1121 } 1122 1123 if (ret != size) { 1124 uea_err(INS_TO_USBDEV(sc), 1125 "usb_control_msg send only %d bytes (instead of %d)\n", 1126 ret, size); 1127 return -EIO; 1128 } 1129 1130 return 0; 1131 } 1132 1133 static int uea_cmv_e1(struct uea_softc *sc, 1134 u8 function, u32 address, u16 offset, u32 data) 1135 { 1136 struct cmv_e1 cmv; 1137 int ret; 1138 1139 uea_enters(INS_TO_USBDEV(sc)); 1140 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, " 1141 "offset : 0x%04x, data : 0x%08x\n", 1142 E1_FUNCTION_TYPE(function), 1143 E1_FUNCTION_SUBTYPE(function), 1144 E1_GETSA1(address), E1_GETSA2(address), 1145 E1_GETSA3(address), 1146 E1_GETSA4(address), offset, data); 1147 1148 /* we send a request, but we expect a reply */ 1149 sc->cmv_dsc.e1.function = function | 0x2; 1150 sc->cmv_dsc.e1.idx++; 1151 sc->cmv_dsc.e1.address = address; 1152 sc->cmv_dsc.e1.offset = offset; 1153 1154 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE); 1155 cmv.bDirection = E1_HOSTTOMODEM; 1156 cmv.bFunction = function; 1157 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx); 1158 put_unaligned_le32(address, &cmv.dwSymbolicAddress); 1159 cmv.wOffsetAddress = cpu_to_le16(offset); 1160 put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData); 1161 1162 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START, 1163 sizeof(cmv), &cmv); 1164 if (ret < 0) 1165 return ret; 1166 ret = wait_cmv_ack(sc); 1167 uea_leaves(INS_TO_USBDEV(sc)); 1168 return ret; 1169 } 1170 1171 static int uea_cmv_e4(struct uea_softc *sc, 1172 u16 function, u16 group, u16 address, u16 offset, u32 data) 1173 { 1174 struct cmv_e4 cmv; 1175 int ret; 1176 1177 uea_enters(INS_TO_USBDEV(sc)); 1178 memset(&cmv, 0, sizeof(cmv)); 1179 1180 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, " 1181 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n", 1182 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function), 1183 group, address, offset, data); 1184 1185 /* we send a request, but we expect a reply */ 1186 sc->cmv_dsc.e4.function = function | (0x1 << 4); 1187 sc->cmv_dsc.e4.offset = offset; 1188 sc->cmv_dsc.e4.address = address; 1189 sc->cmv_dsc.e4.group = group; 1190 1191 cmv.wFunction = cpu_to_be16(function); 1192 cmv.wGroup = cpu_to_be16(group); 1193 cmv.wAddress = cpu_to_be16(address); 1194 cmv.wOffset = cpu_to_be16(offset); 1195 cmv.dwData[0] = cpu_to_be32(data); 1196 1197 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START, 1198 sizeof(cmv), &cmv); 1199 if (ret < 0) 1200 return ret; 1201 ret = wait_cmv_ack(sc); 1202 uea_leaves(INS_TO_USBDEV(sc)); 1203 return ret; 1204 } 1205 1206 static inline int uea_read_cmv_e1(struct uea_softc *sc, 1207 u32 address, u16 offset, u32 *data) 1208 { 1209 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD), 1210 address, offset, 0); 1211 if (ret < 0) 1212 uea_err(INS_TO_USBDEV(sc), 1213 "reading cmv failed with error %d\n", ret); 1214 else 1215 *data = sc->data; 1216 1217 return ret; 1218 } 1219 1220 static inline int uea_read_cmv_e4(struct uea_softc *sc, 1221 u8 size, u16 group, u16 address, u16 offset, u32 *data) 1222 { 1223 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, 1224 E4_REQUESTREAD, size), 1225 group, address, offset, 0); 1226 if (ret < 0) 1227 uea_err(INS_TO_USBDEV(sc), 1228 "reading cmv failed with error %d\n", ret); 1229 else { 1230 *data = sc->data; 1231 /* size is in 16-bit word quantities */ 1232 if (size > 2) 1233 *(data + 1) = sc->data1; 1234 } 1235 return ret; 1236 } 1237 1238 static inline int uea_write_cmv_e1(struct uea_softc *sc, 1239 u32 address, u16 offset, u32 data) 1240 { 1241 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE), 1242 address, offset, data); 1243 if (ret < 0) 1244 uea_err(INS_TO_USBDEV(sc), 1245 "writing cmv failed with error %d\n", ret); 1246 1247 return ret; 1248 } 1249 1250 static inline int uea_write_cmv_e4(struct uea_softc *sc, 1251 u8 size, u16 group, u16 address, u16 offset, u32 data) 1252 { 1253 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, 1254 E4_REQUESTWRITE, size), 1255 group, address, offset, data); 1256 if (ret < 0) 1257 uea_err(INS_TO_USBDEV(sc), 1258 "writing cmv failed with error %d\n", ret); 1259 1260 return ret; 1261 } 1262 1263 static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate) 1264 { 1265 int ret; 1266 u16 timeout; 1267 1268 /* in bulk mode the modem have problem with high rate 1269 * changing internal timing could improve things, but the 1270 * value is mysterious. 1271 * ADI930 don't support it (-EPIPE error). 1272 */ 1273 1274 if (UEA_CHIP_VERSION(sc) == ADI930 || 1275 altsetting[sc->modem_index] > 0 || 1276 sc->stats.phy.dsrate == dsrate) 1277 return; 1278 1279 /* Original timming (1Mbit/s) from ADI (used in windows driver) */ 1280 timeout = (dsrate <= 1024*1024) ? 0 : 1; 1281 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL); 1282 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n", 1283 timeout, ret < 0 ? " failed" : ""); 1284 1285 } 1286 1287 /* 1288 * Monitor the modem and update the stat 1289 * return 0 if everything is ok 1290 * return < 0 if an error occurs (-EAGAIN reboot needed) 1291 */ 1292 static int uea_stat_e1(struct uea_softc *sc) 1293 { 1294 u32 data; 1295 int ret; 1296 1297 uea_enters(INS_TO_USBDEV(sc)); 1298 data = sc->stats.phy.state; 1299 1300 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state); 1301 if (ret < 0) 1302 return ret; 1303 1304 switch (GET_STATUS(sc->stats.phy.state)) { 1305 case 0: /* not yet synchronized */ 1306 uea_dbg(INS_TO_USBDEV(sc), 1307 "modem not yet synchronized\n"); 1308 return 0; 1309 1310 case 1: /* initialization */ 1311 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1312 return 0; 1313 1314 case 2: /* operational */ 1315 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n"); 1316 break; 1317 1318 case 3: /* fail ... */ 1319 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed" 1320 " (may be try other cmv/dsp)\n"); 1321 return -EAGAIN; 1322 1323 case 4 ... 6: /* test state */ 1324 uea_warn(INS_TO_USBDEV(sc), 1325 "modem in test mode - not supported\n"); 1326 return -EAGAIN; 1327 1328 case 7: /* fast-retain ... */ 1329 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n"); 1330 return 0; 1331 default: 1332 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n", 1333 GET_STATUS(sc->stats.phy.state)); 1334 return -EAGAIN; 1335 } 1336 1337 if (GET_STATUS(data) != 2) { 1338 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1339 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1340 1341 /* release the dsp firmware as it is not needed until 1342 * the next failure 1343 */ 1344 release_firmware(sc->dsp_firm); 1345 sc->dsp_firm = NULL; 1346 } 1347 1348 /* always update it as atm layer could not be init when we switch to 1349 * operational state 1350 */ 1351 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); 1352 1353 /* wake up processes waiting for synchronization */ 1354 wake_up(&sc->sync_q); 1355 1356 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags); 1357 if (ret < 0) 1358 return ret; 1359 sc->stats.phy.mflags |= sc->stats.phy.flags; 1360 1361 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1362 * we check the status again in order to detect the failure earlier 1363 */ 1364 if (sc->stats.phy.flags) { 1365 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1366 sc->stats.phy.flags); 1367 return 0; 1368 } 1369 1370 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data); 1371 if (ret < 0) 1372 return ret; 1373 1374 uea_set_bulk_timeout(sc, (data >> 16) * 32); 1375 sc->stats.phy.dsrate = (data >> 16) * 32; 1376 sc->stats.phy.usrate = (data & 0xffff) * 32; 1377 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1378 1379 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data); 1380 if (ret < 0) 1381 return ret; 1382 sc->stats.phy.dsattenuation = (data & 0xff) / 2; 1383 1384 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data); 1385 if (ret < 0) 1386 return ret; 1387 sc->stats.phy.usattenuation = (data & 0xff) / 2; 1388 1389 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin); 1390 if (ret < 0) 1391 return ret; 1392 1393 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin); 1394 if (ret < 0) 1395 return ret; 1396 1397 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow); 1398 if (ret < 0) 1399 return ret; 1400 1401 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow); 1402 if (ret < 0) 1403 return ret; 1404 1405 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc); 1406 if (ret < 0) 1407 return ret; 1408 1409 /* only for atu-c */ 1410 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc); 1411 if (ret < 0) 1412 return ret; 1413 1414 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr); 1415 if (ret < 0) 1416 return ret; 1417 1418 /* only for atu-c */ 1419 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr); 1420 if (ret < 0) 1421 return ret; 1422 1423 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco); 1424 if (ret < 0) 1425 return ret; 1426 1427 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe); 1428 if (ret < 0) 1429 return ret; 1430 1431 return 0; 1432 } 1433 1434 static int uea_stat_e4(struct uea_softc *sc) 1435 { 1436 u32 data; 1437 u32 tmp_arr[2]; 1438 int ret; 1439 1440 uea_enters(INS_TO_USBDEV(sc)); 1441 data = sc->stats.phy.state; 1442 1443 /* XXX only need to be done before operationnal... */ 1444 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state); 1445 if (ret < 0) 1446 return ret; 1447 1448 switch (sc->stats.phy.state) { 1449 case 0x0: /* not yet synchronized */ 1450 case 0x1: 1451 case 0x3: 1452 case 0x4: 1453 uea_dbg(INS_TO_USBDEV(sc), "modem not yet " 1454 "synchronized\n"); 1455 return 0; 1456 case 0x5: /* initialization */ 1457 case 0x6: 1458 case 0x9: 1459 case 0xa: 1460 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); 1461 return 0; 1462 case 0x2: /* fail ... */ 1463 uea_info(INS_TO_USBDEV(sc), "modem synchronization " 1464 "failed (may be try other cmv/dsp)\n"); 1465 return -EAGAIN; 1466 case 0x7: /* operational */ 1467 break; 1468 default: 1469 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n", 1470 sc->stats.phy.state); 1471 return 0; 1472 } 1473 1474 if (data != 7) { 1475 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); 1476 uea_info(INS_TO_USBDEV(sc), "modem operational\n"); 1477 1478 /* release the dsp firmware as it is not needed until 1479 * the next failure 1480 */ 1481 release_firmware(sc->dsp_firm); 1482 sc->dsp_firm = NULL; 1483 } 1484 1485 /* always update it as atm layer could not be init when we switch to 1486 * operational state 1487 */ 1488 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND); 1489 1490 /* wake up processes waiting for synchronization */ 1491 wake_up(&sc->sync_q); 1492 1493 /* TODO improve this state machine : 1494 * we need some CMV info : what they do and their unit 1495 * we should find the equivalent of eagle3- CMV 1496 */ 1497 /* check flags */ 1498 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags); 1499 if (ret < 0) 1500 return ret; 1501 sc->stats.phy.mflags |= sc->stats.phy.flags; 1502 1503 /* in case of a flags ( for example delineation LOSS (& 0x10)), 1504 * we check the status again in order to detect the failure earlier 1505 */ 1506 if (sc->stats.phy.flags) { 1507 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", 1508 sc->stats.phy.flags); 1509 if (sc->stats.phy.flags & 1) /* delineation LOSS */ 1510 return -EAGAIN; 1511 if (sc->stats.phy.flags & 0x4000) /* Reset Flag */ 1512 return -EAGAIN; 1513 return 0; 1514 } 1515 1516 /* rate data may be in upper or lower half of 64 bit word, strange */ 1517 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr); 1518 if (ret < 0) 1519 return ret; 1520 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1521 sc->stats.phy.usrate = data / 1000; 1522 1523 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr); 1524 if (ret < 0) 1525 return ret; 1526 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1]; 1527 uea_set_bulk_timeout(sc, data / 1000); 1528 sc->stats.phy.dsrate = data / 1000; 1529 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); 1530 1531 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data); 1532 if (ret < 0) 1533 return ret; 1534 sc->stats.phy.dsattenuation = data / 10; 1535 1536 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data); 1537 if (ret < 0) 1538 return ret; 1539 sc->stats.phy.usattenuation = data / 10; 1540 1541 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data); 1542 if (ret < 0) 1543 return ret; 1544 sc->stats.phy.dsmargin = data / 2; 1545 1546 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data); 1547 if (ret < 0) 1548 return ret; 1549 sc->stats.phy.usmargin = data / 10; 1550 1551 return 0; 1552 } 1553 1554 static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver) 1555 { 1556 char file_arr[] = "CMVxy.bin"; 1557 char *file; 1558 1559 kernel_param_lock(THIS_MODULE); 1560 /* set proper name corresponding modem version and line type */ 1561 if (cmv_file[sc->modem_index] == NULL) { 1562 if (UEA_CHIP_VERSION(sc) == ADI930) 1563 file_arr[3] = '9'; 1564 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1565 file_arr[3] = '4'; 1566 else 1567 file_arr[3] = 'e'; 1568 1569 file_arr[4] = IS_ISDN(sc) ? 'i' : 'p'; 1570 file = file_arr; 1571 } else 1572 file = cmv_file[sc->modem_index]; 1573 1574 strcpy(cmv_name, FW_DIR); 1575 strlcat(cmv_name, file, UEA_FW_NAME_MAX); 1576 if (ver == 2) 1577 strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX); 1578 kernel_param_unlock(THIS_MODULE); 1579 } 1580 1581 static int request_cmvs_old(struct uea_softc *sc, 1582 void **cmvs, const struct firmware **fw) 1583 { 1584 int ret, size; 1585 u8 *data; 1586 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1587 1588 cmvs_file_name(sc, cmv_name, 1); 1589 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1590 if (ret < 0) { 1591 uea_err(INS_TO_USBDEV(sc), 1592 "requesting firmware %s failed with error %d\n", 1593 cmv_name, ret); 1594 return ret; 1595 } 1596 1597 data = (u8 *) (*fw)->data; 1598 size = (*fw)->size; 1599 if (size < 1) 1600 goto err_fw_corrupted; 1601 1602 if (size != *data * sizeof(struct uea_cmvs_v1) + 1) 1603 goto err_fw_corrupted; 1604 1605 *cmvs = (void *)(data + 1); 1606 return *data; 1607 1608 err_fw_corrupted: 1609 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1610 release_firmware(*fw); 1611 return -EILSEQ; 1612 } 1613 1614 static int request_cmvs(struct uea_softc *sc, 1615 void **cmvs, const struct firmware **fw, int *ver) 1616 { 1617 int ret, size; 1618 u32 crc; 1619 u8 *data; 1620 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */ 1621 1622 cmvs_file_name(sc, cmv_name, 2); 1623 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); 1624 if (ret < 0) { 1625 /* if caller can handle old version, try to provide it */ 1626 if (*ver == 1) { 1627 uea_warn(INS_TO_USBDEV(sc), "requesting " 1628 "firmware %s failed, " 1629 "try to get older cmvs\n", cmv_name); 1630 return request_cmvs_old(sc, cmvs, fw); 1631 } 1632 uea_err(INS_TO_USBDEV(sc), 1633 "requesting firmware %s failed with error %d\n", 1634 cmv_name, ret); 1635 return ret; 1636 } 1637 1638 size = (*fw)->size; 1639 data = (u8 *) (*fw)->data; 1640 if (size < 4 || strncmp(data, "cmv2", 4) != 0) { 1641 if (*ver == 1) { 1642 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted," 1643 " try to get older cmvs\n", cmv_name); 1644 release_firmware(*fw); 1645 return request_cmvs_old(sc, cmvs, fw); 1646 } 1647 goto err_fw_corrupted; 1648 } 1649 1650 *ver = 2; 1651 1652 data += 4; 1653 size -= 4; 1654 if (size < 5) 1655 goto err_fw_corrupted; 1656 1657 crc = get_unaligned_le32(data); 1658 data += 4; 1659 size -= 4; 1660 if (crc32_be(0, data, size) != crc) 1661 goto err_fw_corrupted; 1662 1663 if (size != *data * sizeof(struct uea_cmvs_v2) + 1) 1664 goto err_fw_corrupted; 1665 1666 *cmvs = (void *) (data + 1); 1667 return *data; 1668 1669 err_fw_corrupted: 1670 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name); 1671 release_firmware(*fw); 1672 return -EILSEQ; 1673 } 1674 1675 static int uea_send_cmvs_e1(struct uea_softc *sc) 1676 { 1677 int i, ret, len; 1678 void *cmvs_ptr; 1679 const struct firmware *cmvs_fw; 1680 int ver = 1; /* we can handle v1 cmv firmware version; */ 1681 1682 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1683 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1); 1684 if (ret < 0) 1685 return ret; 1686 1687 /* Dump firmware version */ 1688 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid); 1689 if (ret < 0) 1690 return ret; 1691 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1692 sc->stats.phy.firmid); 1693 1694 /* get options */ 1695 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1696 if (ret < 0) 1697 return ret; 1698 1699 /* send options */ 1700 if (ver == 1) { 1701 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr; 1702 1703 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, " 1704 "please update your firmware\n"); 1705 1706 for (i = 0; i < len; i++) { 1707 ret = uea_write_cmv_e1(sc, 1708 get_unaligned_le32(&cmvs_v1[i].address), 1709 get_unaligned_le16(&cmvs_v1[i].offset), 1710 get_unaligned_le32(&cmvs_v1[i].data)); 1711 if (ret < 0) 1712 goto out; 1713 } 1714 } else if (ver == 2) { 1715 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1716 1717 for (i = 0; i < len; i++) { 1718 ret = uea_write_cmv_e1(sc, 1719 get_unaligned_le32(&cmvs_v2[i].address), 1720 (u16) get_unaligned_le32(&cmvs_v2[i].offset), 1721 get_unaligned_le32(&cmvs_v2[i].data)); 1722 if (ret < 0) 1723 goto out; 1724 } 1725 } else { 1726 /* This really should not happen */ 1727 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1728 goto out; 1729 } 1730 1731 /* Enter in R-ACT-REQ */ 1732 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2); 1733 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1734 uea_info(INS_TO_USBDEV(sc), "modem started, waiting " 1735 "synchronization...\n"); 1736 out: 1737 release_firmware(cmvs_fw); 1738 return ret; 1739 } 1740 1741 static int uea_send_cmvs_e4(struct uea_softc *sc) 1742 { 1743 int i, ret, len; 1744 void *cmvs_ptr; 1745 const struct firmware *cmvs_fw; 1746 int ver = 2; /* we can only handle v2 cmv firmware version; */ 1747 1748 /* Enter in R-IDLE (cmv) until instructed otherwise */ 1749 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1); 1750 if (ret < 0) 1751 return ret; 1752 1753 /* Dump firmware version */ 1754 /* XXX don't read the 3th byte as it is always 6 */ 1755 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid); 1756 if (ret < 0) 1757 return ret; 1758 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", 1759 sc->stats.phy.firmid); 1760 1761 1762 /* get options */ 1763 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver); 1764 if (ret < 0) 1765 return ret; 1766 1767 /* send options */ 1768 if (ver == 2) { 1769 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr; 1770 1771 for (i = 0; i < len; i++) { 1772 ret = uea_write_cmv_e4(sc, 1, 1773 get_unaligned_le32(&cmvs_v2[i].group), 1774 get_unaligned_le32(&cmvs_v2[i].address), 1775 get_unaligned_le32(&cmvs_v2[i].offset), 1776 get_unaligned_le32(&cmvs_v2[i].data)); 1777 if (ret < 0) 1778 goto out; 1779 } 1780 } else { 1781 /* This really should not happen */ 1782 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver); 1783 goto out; 1784 } 1785 1786 /* Enter in R-ACT-REQ */ 1787 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2); 1788 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); 1789 uea_info(INS_TO_USBDEV(sc), "modem started, waiting " 1790 "synchronization...\n"); 1791 out: 1792 release_firmware(cmvs_fw); 1793 return ret; 1794 } 1795 1796 /* Start boot post firmware modem: 1797 * - send reset commands through usb control pipe 1798 * - start workqueue for DSP loading 1799 * - send CMV options to modem 1800 */ 1801 1802 static int uea_start_reset(struct uea_softc *sc) 1803 { 1804 u16 zero = 0; /* ;-) */ 1805 int ret; 1806 1807 uea_enters(INS_TO_USBDEV(sc)); 1808 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n"); 1809 1810 /* mask interrupt */ 1811 sc->booting = 1; 1812 /* We need to set this here because, a ack timeout could have occurred, 1813 * but before we start the reboot, the ack occurs and set this to 1. 1814 * So we will failed to wait Ready CMV. 1815 */ 1816 sc->cmv_ack = 0; 1817 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); 1818 1819 /* reset statistics */ 1820 memset(&sc->stats, 0, sizeof(struct uea_stats)); 1821 1822 /* tell the modem that we want to boot in IDMA mode */ 1823 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 1824 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL); 1825 1826 /* enter reset mode */ 1827 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL); 1828 1829 /* original driver use 200ms, but windows driver use 100ms */ 1830 ret = uea_wait(sc, 0, msecs_to_jiffies(100)); 1831 if (ret < 0) 1832 return ret; 1833 1834 /* leave reset mode */ 1835 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL); 1836 1837 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) { 1838 /* clear tx and rx mailboxes */ 1839 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero); 1840 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero); 1841 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero); 1842 } 1843 1844 ret = uea_wait(sc, 0, msecs_to_jiffies(1000)); 1845 if (ret < 0) 1846 return ret; 1847 1848 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) 1849 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, 1850 E4_MODEMREADY, 1); 1851 else 1852 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, 1853 E1_MODEMREADY); 1854 1855 /* demask interrupt */ 1856 sc->booting = 0; 1857 1858 /* start loading DSP */ 1859 sc->pageno = 0; 1860 sc->ovl = 0; 1861 schedule_work(&sc->task); 1862 1863 /* wait for modem ready CMV */ 1864 ret = wait_cmv_ack(sc); 1865 if (ret < 0) 1866 return ret; 1867 1868 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n"); 1869 1870 ret = sc->send_cmvs(sc); 1871 if (ret < 0) 1872 return ret; 1873 1874 sc->reset = 0; 1875 uea_leaves(INS_TO_USBDEV(sc)); 1876 return ret; 1877 } 1878 1879 /* 1880 * In case of an error wait 1s before rebooting the modem 1881 * if the modem don't request reboot (-EAGAIN). 1882 * Monitor the modem every 1s. 1883 */ 1884 1885 static int uea_kthread(void *data) 1886 { 1887 struct uea_softc *sc = data; 1888 int ret = -EAGAIN; 1889 1890 set_freezable(); 1891 uea_enters(INS_TO_USBDEV(sc)); 1892 while (!kthread_should_stop()) { 1893 if (ret < 0 || sc->reset) 1894 ret = uea_start_reset(sc); 1895 if (!ret) 1896 ret = sc->stat(sc); 1897 if (ret != -EAGAIN) 1898 uea_wait(sc, 0, msecs_to_jiffies(1000)); 1899 } 1900 uea_leaves(INS_TO_USBDEV(sc)); 1901 return ret; 1902 } 1903 1904 /* Load second usb firmware for ADI930 chip */ 1905 static int load_XILINX_firmware(struct uea_softc *sc) 1906 { 1907 const struct firmware *fw_entry; 1908 int ret, size, u, ln; 1909 const u8 *pfw; 1910 u8 value; 1911 char *fw_name = FPGA930_FIRMWARE; 1912 1913 uea_enters(INS_TO_USBDEV(sc)); 1914 1915 ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev); 1916 if (ret) { 1917 uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n", 1918 fw_name); 1919 goto err0; 1920 } 1921 1922 pfw = fw_entry->data; 1923 size = fw_entry->size; 1924 if (size != 0x577B) { 1925 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", 1926 fw_name); 1927 ret = -EILSEQ; 1928 goto err1; 1929 } 1930 for (u = 0; u < size; u += ln) { 1931 ln = min(size - u, 64); 1932 ret = uea_request(sc, 0xe, 0, ln, pfw + u); 1933 if (ret < 0) { 1934 uea_err(INS_TO_USBDEV(sc), 1935 "elsa download data failed (%d)\n", ret); 1936 goto err1; 1937 } 1938 } 1939 1940 /* finish to send the fpga */ 1941 ret = uea_request(sc, 0xe, 1, 0, NULL); 1942 if (ret < 0) { 1943 uea_err(INS_TO_USBDEV(sc), 1944 "elsa download data failed (%d)\n", ret); 1945 goto err1; 1946 } 1947 1948 /* Tell the modem we finish : de-assert reset */ 1949 value = 0; 1950 ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value); 1951 if (ret < 0) 1952 uea_err(sc->usb_dev, "elsa de-assert failed with error" 1953 " %d\n", ret); 1954 1955 err1: 1956 release_firmware(fw_entry); 1957 err0: 1958 uea_leaves(INS_TO_USBDEV(sc)); 1959 return ret; 1960 } 1961 1962 /* The modem send us an ack. First with check if it right */ 1963 static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr) 1964 { 1965 struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1; 1966 struct cmv_e1 *cmv = &intr->u.e1.s2.cmv; 1967 1968 uea_enters(INS_TO_USBDEV(sc)); 1969 if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE) 1970 goto bad1; 1971 1972 if (cmv->bDirection != E1_MODEMTOHOST) 1973 goto bad1; 1974 1975 /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to 1976 * the first MEMACCESS cmv. Ignore it... 1977 */ 1978 if (cmv->bFunction != dsc->function) { 1979 if (UEA_CHIP_VERSION(sc) == ADI930 1980 && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) { 1981 cmv->wIndex = cpu_to_le16(dsc->idx); 1982 put_unaligned_le32(dsc->address, 1983 &cmv->dwSymbolicAddress); 1984 cmv->wOffsetAddress = cpu_to_le16(dsc->offset); 1985 } else 1986 goto bad2; 1987 } 1988 1989 if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, 1990 E1_MODEMREADY)) { 1991 wake_up_cmv_ack(sc); 1992 uea_leaves(INS_TO_USBDEV(sc)); 1993 return; 1994 } 1995 1996 /* in case of MEMACCESS */ 1997 if (le16_to_cpu(cmv->wIndex) != dsc->idx || 1998 get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address || 1999 le16_to_cpu(cmv->wOffsetAddress) != dsc->offset) 2000 goto bad2; 2001 2002 sc->data = get_unaligned_le32(&cmv->dwData); 2003 sc->data = sc->data << 16 | sc->data >> 16; 2004 2005 wake_up_cmv_ack(sc); 2006 uea_leaves(INS_TO_USBDEV(sc)); 2007 return; 2008 2009 bad2: 2010 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2011 "Function : %d, Subfunction : %d\n", 2012 E1_FUNCTION_TYPE(cmv->bFunction), 2013 E1_FUNCTION_SUBTYPE(cmv->bFunction)); 2014 uea_leaves(INS_TO_USBDEV(sc)); 2015 return; 2016 2017 bad1: 2018 uea_err(INS_TO_USBDEV(sc), "invalid cmv received, " 2019 "wPreamble %d, bDirection %d\n", 2020 le16_to_cpu(cmv->wPreamble), cmv->bDirection); 2021 uea_leaves(INS_TO_USBDEV(sc)); 2022 } 2023 2024 /* The modem send us an ack. First with check if it right */ 2025 static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr) 2026 { 2027 struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4; 2028 struct cmv_e4 *cmv = &intr->u.e4.s2.cmv; 2029 2030 uea_enters(INS_TO_USBDEV(sc)); 2031 uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n", 2032 be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction), 2033 be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress), 2034 be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1])); 2035 2036 if (be16_to_cpu(cmv->wFunction) != dsc->function) 2037 goto bad2; 2038 2039 if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, 2040 E4_MODEMREADY, 1)) { 2041 wake_up_cmv_ack(sc); 2042 uea_leaves(INS_TO_USBDEV(sc)); 2043 return; 2044 } 2045 2046 /* in case of MEMACCESS */ 2047 if (be16_to_cpu(cmv->wOffset) != dsc->offset || 2048 be16_to_cpu(cmv->wGroup) != dsc->group || 2049 be16_to_cpu(cmv->wAddress) != dsc->address) 2050 goto bad2; 2051 2052 sc->data = be32_to_cpu(cmv->dwData[0]); 2053 sc->data1 = be32_to_cpu(cmv->dwData[1]); 2054 wake_up_cmv_ack(sc); 2055 uea_leaves(INS_TO_USBDEV(sc)); 2056 return; 2057 2058 bad2: 2059 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, " 2060 "Function : %d, Subfunction : %d\n", 2061 E4_FUNCTION_TYPE(cmv->wFunction), 2062 E4_FUNCTION_SUBTYPE(cmv->wFunction)); 2063 uea_leaves(INS_TO_USBDEV(sc)); 2064 return; 2065 } 2066 2067 static void uea_schedule_load_page_e1(struct uea_softc *sc, 2068 struct intr_pkt *intr) 2069 { 2070 sc->pageno = intr->e1_bSwapPageNo; 2071 sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4; 2072 schedule_work(&sc->task); 2073 } 2074 2075 static void uea_schedule_load_page_e4(struct uea_softc *sc, 2076 struct intr_pkt *intr) 2077 { 2078 sc->pageno = intr->e4_bSwapPageNo; 2079 schedule_work(&sc->task); 2080 } 2081 2082 /* 2083 * interrupt handler 2084 */ 2085 static void uea_intr(struct urb *urb) 2086 { 2087 struct uea_softc *sc = urb->context; 2088 struct intr_pkt *intr = urb->transfer_buffer; 2089 int status = urb->status; 2090 2091 uea_enters(INS_TO_USBDEV(sc)); 2092 2093 if (unlikely(status < 0)) { 2094 uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n", 2095 status); 2096 return; 2097 } 2098 2099 /* device-to-host interrupt */ 2100 if (intr->bType != 0x08 || sc->booting) { 2101 uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n"); 2102 goto resubmit; 2103 } 2104 2105 switch (le16_to_cpu(intr->wInterrupt)) { 2106 case INT_LOADSWAPPAGE: 2107 sc->schedule_load_page(sc, intr); 2108 break; 2109 2110 case INT_INCOMINGCMV: 2111 sc->dispatch_cmv(sc, intr); 2112 break; 2113 2114 default: 2115 uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n", 2116 le16_to_cpu(intr->wInterrupt)); 2117 } 2118 2119 resubmit: 2120 usb_submit_urb(sc->urb_int, GFP_ATOMIC); 2121 } 2122 2123 /* 2124 * Start the modem : init the data and start kernel thread 2125 */ 2126 static int uea_boot(struct uea_softc *sc, struct usb_interface *intf) 2127 { 2128 struct intr_pkt *intr; 2129 int ret = -ENOMEM; 2130 int size; 2131 2132 uea_enters(INS_TO_USBDEV(sc)); 2133 2134 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2135 size = E4_INTR_PKT_SIZE; 2136 sc->dispatch_cmv = uea_dispatch_cmv_e4; 2137 sc->schedule_load_page = uea_schedule_load_page_e4; 2138 sc->stat = uea_stat_e4; 2139 sc->send_cmvs = uea_send_cmvs_e4; 2140 INIT_WORK(&sc->task, uea_load_page_e4); 2141 } else { 2142 size = E1_INTR_PKT_SIZE; 2143 sc->dispatch_cmv = uea_dispatch_cmv_e1; 2144 sc->schedule_load_page = uea_schedule_load_page_e1; 2145 sc->stat = uea_stat_e1; 2146 sc->send_cmvs = uea_send_cmvs_e1; 2147 INIT_WORK(&sc->task, uea_load_page_e1); 2148 } 2149 2150 init_waitqueue_head(&sc->sync_q); 2151 2152 if (UEA_CHIP_VERSION(sc) == ADI930) 2153 load_XILINX_firmware(sc); 2154 2155 if (intf->cur_altsetting->desc.bNumEndpoints < 1) { 2156 ret = -ENODEV; 2157 goto err0; 2158 } 2159 2160 intr = kmalloc(size, GFP_KERNEL); 2161 if (!intr) 2162 goto err0; 2163 2164 sc->urb_int = usb_alloc_urb(0, GFP_KERNEL); 2165 if (!sc->urb_int) 2166 goto err1; 2167 2168 usb_fill_int_urb(sc->urb_int, sc->usb_dev, 2169 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE), 2170 intr, size, uea_intr, sc, 2171 intf->cur_altsetting->endpoint[0].desc.bInterval); 2172 2173 ret = usb_submit_urb(sc->urb_int, GFP_KERNEL); 2174 if (ret < 0) { 2175 uea_err(INS_TO_USBDEV(sc), 2176 "urb submission failed with error %d\n", ret); 2177 goto err1; 2178 } 2179 2180 /* Create worker thread, but don't start it here. Start it after 2181 * all usbatm generic initialization is done. 2182 */ 2183 sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm"); 2184 if (IS_ERR(sc->kthread)) { 2185 uea_err(INS_TO_USBDEV(sc), "failed to create thread\n"); 2186 ret = PTR_ERR(sc->kthread); 2187 goto err2; 2188 } 2189 2190 uea_leaves(INS_TO_USBDEV(sc)); 2191 return 0; 2192 2193 err2: 2194 usb_kill_urb(sc->urb_int); 2195 err1: 2196 usb_free_urb(sc->urb_int); 2197 sc->urb_int = NULL; 2198 kfree(intr); 2199 err0: 2200 uea_leaves(INS_TO_USBDEV(sc)); 2201 return ret; 2202 } 2203 2204 /* 2205 * Stop the modem : kill kernel thread and free data 2206 */ 2207 static void uea_stop(struct uea_softc *sc) 2208 { 2209 int ret; 2210 uea_enters(INS_TO_USBDEV(sc)); 2211 ret = kthread_stop(sc->kthread); 2212 uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret); 2213 2214 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); 2215 2216 usb_kill_urb(sc->urb_int); 2217 kfree(sc->urb_int->transfer_buffer); 2218 usb_free_urb(sc->urb_int); 2219 2220 /* flush the work item, when no one can schedule it */ 2221 flush_work(&sc->task); 2222 2223 release_firmware(sc->dsp_firm); 2224 uea_leaves(INS_TO_USBDEV(sc)); 2225 } 2226 2227 /* syfs interface */ 2228 static struct uea_softc *dev_to_uea(struct device *dev) 2229 { 2230 struct usb_interface *intf; 2231 struct usbatm_data *usbatm; 2232 2233 intf = to_usb_interface(dev); 2234 if (!intf) 2235 return NULL; 2236 2237 usbatm = usb_get_intfdata(intf); 2238 if (!usbatm) 2239 return NULL; 2240 2241 return usbatm->driver_data; 2242 } 2243 2244 static ssize_t stat_status_show(struct device *dev, struct device_attribute *attr, 2245 char *buf) 2246 { 2247 int ret = -ENODEV; 2248 struct uea_softc *sc; 2249 2250 mutex_lock(&uea_mutex); 2251 sc = dev_to_uea(dev); 2252 if (!sc) 2253 goto out; 2254 ret = sysfs_emit(buf, "%08x\n", sc->stats.phy.state); 2255 out: 2256 mutex_unlock(&uea_mutex); 2257 return ret; 2258 } 2259 2260 static ssize_t stat_status_store(struct device *dev, struct device_attribute *attr, 2261 const char *buf, size_t count) 2262 { 2263 int ret = -ENODEV; 2264 struct uea_softc *sc; 2265 2266 mutex_lock(&uea_mutex); 2267 sc = dev_to_uea(dev); 2268 if (!sc) 2269 goto out; 2270 sc->reset = 1; 2271 ret = count; 2272 out: 2273 mutex_unlock(&uea_mutex); 2274 return ret; 2275 } 2276 2277 static DEVICE_ATTR_RW(stat_status); 2278 2279 static ssize_t stat_human_status_show(struct device *dev, 2280 struct device_attribute *attr, char *buf) 2281 { 2282 int ret = -ENODEV; 2283 int modem_state; 2284 struct uea_softc *sc; 2285 2286 mutex_lock(&uea_mutex); 2287 sc = dev_to_uea(dev); 2288 if (!sc) 2289 goto out; 2290 2291 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2292 switch (sc->stats.phy.state) { 2293 case 0x0: /* not yet synchronized */ 2294 case 0x1: 2295 case 0x3: 2296 case 0x4: 2297 modem_state = 0; 2298 break; 2299 case 0x5: /* initialization */ 2300 case 0x6: 2301 case 0x9: 2302 case 0xa: 2303 modem_state = 1; 2304 break; 2305 case 0x7: /* operational */ 2306 modem_state = 2; 2307 break; 2308 case 0x2: /* fail ... */ 2309 modem_state = 3; 2310 break; 2311 default: /* unknown */ 2312 modem_state = 4; 2313 break; 2314 } 2315 } else 2316 modem_state = GET_STATUS(sc->stats.phy.state); 2317 2318 switch (modem_state) { 2319 case 0: 2320 ret = sysfs_emit(buf, "Modem is booting\n"); 2321 break; 2322 case 1: 2323 ret = sysfs_emit(buf, "Modem is initializing\n"); 2324 break; 2325 case 2: 2326 ret = sysfs_emit(buf, "Modem is operational\n"); 2327 break; 2328 case 3: 2329 ret = sysfs_emit(buf, "Modem synchronization failed\n"); 2330 break; 2331 default: 2332 ret = sysfs_emit(buf, "Modem state is unknown\n"); 2333 break; 2334 } 2335 out: 2336 mutex_unlock(&uea_mutex); 2337 return ret; 2338 } 2339 2340 static DEVICE_ATTR_RO(stat_human_status); 2341 2342 static ssize_t stat_delin_show(struct device *dev, struct device_attribute *attr, 2343 char *buf) 2344 { 2345 int ret = -ENODEV; 2346 struct uea_softc *sc; 2347 char *delin = "GOOD"; 2348 2349 mutex_lock(&uea_mutex); 2350 sc = dev_to_uea(dev); 2351 if (!sc) 2352 goto out; 2353 2354 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) { 2355 if (sc->stats.phy.flags & 0x4000) 2356 delin = "RESET"; 2357 else if (sc->stats.phy.flags & 0x0001) 2358 delin = "LOSS"; 2359 } else { 2360 if (sc->stats.phy.flags & 0x0C00) 2361 delin = "ERROR"; 2362 else if (sc->stats.phy.flags & 0x0030) 2363 delin = "LOSS"; 2364 } 2365 2366 ret = sysfs_emit(buf, "%s\n", delin); 2367 out: 2368 mutex_unlock(&uea_mutex); 2369 return ret; 2370 } 2371 2372 static DEVICE_ATTR_RO(stat_delin); 2373 2374 #define UEA_ATTR(name, reset) \ 2375 \ 2376 static ssize_t stat_##name##_show(struct device *dev, \ 2377 struct device_attribute *attr, char *buf) \ 2378 { \ 2379 int ret = -ENODEV; \ 2380 struct uea_softc *sc; \ 2381 \ 2382 mutex_lock(&uea_mutex); \ 2383 sc = dev_to_uea(dev); \ 2384 if (!sc) \ 2385 goto out; \ 2386 ret = sysfs_emit(buf, "%08x\n", sc->stats.phy.name); \ 2387 if (reset) \ 2388 sc->stats.phy.name = 0; \ 2389 out: \ 2390 mutex_unlock(&uea_mutex); \ 2391 return ret; \ 2392 } \ 2393 \ 2394 static DEVICE_ATTR_RO(stat_##name) 2395 2396 UEA_ATTR(mflags, 1); 2397 UEA_ATTR(vidcpe, 0); 2398 UEA_ATTR(usrate, 0); 2399 UEA_ATTR(dsrate, 0); 2400 UEA_ATTR(usattenuation, 0); 2401 UEA_ATTR(dsattenuation, 0); 2402 UEA_ATTR(usmargin, 0); 2403 UEA_ATTR(dsmargin, 0); 2404 UEA_ATTR(txflow, 0); 2405 UEA_ATTR(rxflow, 0); 2406 UEA_ATTR(uscorr, 0); 2407 UEA_ATTR(dscorr, 0); 2408 UEA_ATTR(usunc, 0); 2409 UEA_ATTR(dsunc, 0); 2410 UEA_ATTR(firmid, 0); 2411 2412 /* Retrieve the device End System Identifier (MAC) */ 2413 2414 static int uea_getesi(struct uea_softc *sc, u_char *esi) 2415 { 2416 unsigned char mac_str[2 * ETH_ALEN + 1]; 2417 int i; 2418 if (usb_string 2419 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str, 2420 sizeof(mac_str)) != 2 * ETH_ALEN) 2421 return 1; 2422 2423 for (i = 0; i < ETH_ALEN; i++) 2424 esi[i] = hex_to_bin(mac_str[2 * i]) * 16 + 2425 hex_to_bin(mac_str[2 * i + 1]); 2426 2427 return 0; 2428 } 2429 2430 /* ATM stuff */ 2431 static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev) 2432 { 2433 struct uea_softc *sc = usbatm->driver_data; 2434 2435 return uea_getesi(sc, atm_dev->esi); 2436 } 2437 2438 static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf) 2439 { 2440 struct uea_softc *sc = usbatm->driver_data; 2441 2442 wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc)); 2443 2444 return 0; 2445 2446 } 2447 2448 static int claim_interface(struct usb_device *usb_dev, 2449 struct usbatm_data *usbatm, int ifnum) 2450 { 2451 int ret; 2452 struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum); 2453 2454 if (!intf) { 2455 uea_err(usb_dev, "interface %d not found\n", ifnum); 2456 return -ENODEV; 2457 } 2458 2459 ret = usb_driver_claim_interface(&uea_driver, intf, usbatm); 2460 if (ret != 0) 2461 uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum, 2462 ret); 2463 return ret; 2464 } 2465 2466 static struct attribute *uea_attrs[] = { 2467 &dev_attr_stat_status.attr, 2468 &dev_attr_stat_mflags.attr, 2469 &dev_attr_stat_human_status.attr, 2470 &dev_attr_stat_delin.attr, 2471 &dev_attr_stat_vidcpe.attr, 2472 &dev_attr_stat_usrate.attr, 2473 &dev_attr_stat_dsrate.attr, 2474 &dev_attr_stat_usattenuation.attr, 2475 &dev_attr_stat_dsattenuation.attr, 2476 &dev_attr_stat_usmargin.attr, 2477 &dev_attr_stat_dsmargin.attr, 2478 &dev_attr_stat_txflow.attr, 2479 &dev_attr_stat_rxflow.attr, 2480 &dev_attr_stat_uscorr.attr, 2481 &dev_attr_stat_dscorr.attr, 2482 &dev_attr_stat_usunc.attr, 2483 &dev_attr_stat_dsunc.attr, 2484 &dev_attr_stat_firmid.attr, 2485 NULL, 2486 }; 2487 ATTRIBUTE_GROUPS(uea); 2488 2489 static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, 2490 const struct usb_device_id *id) 2491 { 2492 struct usb_device *usb = interface_to_usbdev(intf); 2493 struct uea_softc *sc; 2494 int ret, ifnum = intf->altsetting->desc.bInterfaceNumber; 2495 unsigned int alt; 2496 2497 uea_enters(usb); 2498 2499 /* interface 0 is for firmware/monitoring */ 2500 if (ifnum != UEA_INTR_IFACE_NO) 2501 return -ENODEV; 2502 2503 usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT); 2504 2505 /* interface 1 is for outbound traffic */ 2506 ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO); 2507 if (ret < 0) 2508 return ret; 2509 2510 /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */ 2511 if (UEA_CHIP_VERSION(id) != ADI930) { 2512 /* interface 2 is for inbound traffic */ 2513 ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO); 2514 if (ret < 0) 2515 return ret; 2516 } 2517 2518 sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL); 2519 if (!sc) 2520 return -ENOMEM; 2521 2522 sc->usb_dev = usb; 2523 usbatm->driver_data = sc; 2524 sc->usbatm = usbatm; 2525 sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0; 2526 sc->driver_info = id->driver_info; 2527 2528 /* first try to use module parameter */ 2529 if (annex[sc->modem_index] == 1) 2530 sc->annex = ANNEXA; 2531 else if (annex[sc->modem_index] == 2) 2532 sc->annex = ANNEXB; 2533 /* try to autodetect annex */ 2534 else if (sc->driver_info & AUTO_ANNEX_A) 2535 sc->annex = ANNEXA; 2536 else if (sc->driver_info & AUTO_ANNEX_B) 2537 sc->annex = ANNEXB; 2538 else 2539 sc->annex = (le16_to_cpu 2540 (sc->usb_dev->descriptor.bcdDevice) & 0x80) ? ANNEXB : ANNEXA; 2541 2542 alt = altsetting[sc->modem_index]; 2543 /* ADI930 don't support iso */ 2544 if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) { 2545 if (alt <= 8 && 2546 usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) { 2547 uea_dbg(usb, "set alternate %u for 2 interface\n", alt); 2548 uea_info(usb, "using iso mode\n"); 2549 usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ; 2550 } else { 2551 uea_err(usb, "setting alternate %u failed for " 2552 "2 interface, using bulk mode\n", alt); 2553 } 2554 } 2555 2556 ret = uea_boot(sc, intf); 2557 if (ret < 0) 2558 goto error; 2559 2560 return 0; 2561 2562 error: 2563 kfree(sc); 2564 return ret; 2565 } 2566 2567 static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) 2568 { 2569 struct uea_softc *sc = usbatm->driver_data; 2570 2571 uea_stop(sc); 2572 kfree(sc); 2573 } 2574 2575 static struct usbatm_driver uea_usbatm_driver = { 2576 .driver_name = "ueagle-atm", 2577 .bind = uea_bind, 2578 .atm_start = uea_atm_open, 2579 .unbind = uea_unbind, 2580 .heavy_init = uea_heavy, 2581 .bulk_in = UEA_BULK_DATA_PIPE, 2582 .bulk_out = UEA_BULK_DATA_PIPE, 2583 .isoc_in = UEA_ISO_DATA_PIPE, 2584 }; 2585 2586 static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id) 2587 { 2588 struct usb_device *usb = interface_to_usbdev(intf); 2589 int ret; 2590 2591 uea_enters(usb); 2592 uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n", 2593 le16_to_cpu(usb->descriptor.idVendor), 2594 le16_to_cpu(usb->descriptor.idProduct), 2595 le16_to_cpu(usb->descriptor.bcdDevice), 2596 chip_name[UEA_CHIP_VERSION(id)]); 2597 2598 usb_reset_device(usb); 2599 2600 if (UEA_IS_PREFIRM(id)) 2601 return uea_load_firmware(usb, UEA_CHIP_VERSION(id)); 2602 2603 ret = usbatm_usb_probe(intf, id, &uea_usbatm_driver); 2604 if (ret == 0) { 2605 struct usbatm_data *usbatm = usb_get_intfdata(intf); 2606 struct uea_softc *sc = usbatm->driver_data; 2607 2608 /* Ensure carrier is initialized to off as early as possible */ 2609 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST); 2610 2611 /* Only start the worker thread when all init is done */ 2612 wake_up_process(sc->kthread); 2613 } 2614 2615 return ret; 2616 } 2617 2618 static void uea_disconnect(struct usb_interface *intf) 2619 { 2620 struct usb_device *usb = interface_to_usbdev(intf); 2621 int ifnum = intf->altsetting->desc.bInterfaceNumber; 2622 uea_enters(usb); 2623 2624 /* ADI930 has 2 interfaces and eagle 3 interfaces. 2625 * Pre-firmware device has one interface 2626 */ 2627 if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) { 2628 mutex_lock(&uea_mutex); 2629 usbatm_usb_disconnect(intf); 2630 mutex_unlock(&uea_mutex); 2631 uea_info(usb, "ADSL device removed\n"); 2632 } 2633 2634 uea_leaves(usb); 2635 } 2636 2637 /* 2638 * List of supported VID/PID 2639 */ 2640 static const struct usb_device_id uea_ids[] = { 2641 {USB_DEVICE(ANALOG_VID, ADI930_PID_PREFIRM), 2642 .driver_info = ADI930 | PREFIRM}, 2643 {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM), 2644 .driver_info = ADI930 | PSTFIRM}, 2645 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM), 2646 .driver_info = EAGLE_I | PREFIRM}, 2647 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM), 2648 .driver_info = EAGLE_I | PSTFIRM}, 2649 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM), 2650 .driver_info = EAGLE_II | PREFIRM}, 2651 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM), 2652 .driver_info = EAGLE_II | PSTFIRM}, 2653 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM), 2654 .driver_info = EAGLE_II | PREFIRM}, 2655 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM), 2656 .driver_info = EAGLE_II | PSTFIRM}, 2657 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM), 2658 .driver_info = EAGLE_III | PREFIRM}, 2659 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM), 2660 .driver_info = EAGLE_III | PSTFIRM}, 2661 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM), 2662 .driver_info = EAGLE_IV | PREFIRM}, 2663 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM), 2664 .driver_info = EAGLE_IV | PSTFIRM}, 2665 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PREFIRM), 2666 .driver_info = EAGLE_I | PREFIRM}, 2667 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PSTFIRM), 2668 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2669 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PREFIRM), 2670 .driver_info = EAGLE_I | PREFIRM}, 2671 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PSTFIRM), 2672 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2673 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PREFIRM), 2674 .driver_info = EAGLE_II | PREFIRM}, 2675 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PSTFIRM), 2676 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A}, 2677 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PREFIRM), 2678 .driver_info = EAGLE_II | PREFIRM}, 2679 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PSTFIRM), 2680 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B}, 2681 {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), 2682 .driver_info = ADI930 | PREFIRM}, 2683 {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), 2684 .driver_info = ADI930 | PSTFIRM}, 2685 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM), 2686 .driver_info = ADI930 | PREFIRM}, 2687 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM), 2688 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A}, 2689 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM), 2690 .driver_info = ADI930 | PREFIRM}, 2691 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM), 2692 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B}, 2693 {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), 2694 .driver_info = EAGLE_I | PREFIRM}, 2695 {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), 2696 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2697 {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), 2698 .driver_info = EAGLE_I | PREFIRM}, 2699 {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), 2700 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2701 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM), 2702 .driver_info = EAGLE_I | PREFIRM}, 2703 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM), 2704 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A}, 2705 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM), 2706 .driver_info = EAGLE_I | PREFIRM}, 2707 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM), 2708 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B}, 2709 {} 2710 }; 2711 2712 /* 2713 * USB driver descriptor 2714 */ 2715 static struct usb_driver uea_driver = { 2716 .name = "ueagle-atm", 2717 .id_table = uea_ids, 2718 .probe = uea_probe, 2719 .disconnect = uea_disconnect, 2720 .dev_groups = uea_groups, 2721 }; 2722 2723 MODULE_DEVICE_TABLE(usb, uea_ids); 2724 2725 module_usb_driver(uea_driver); 2726 2727 MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); 2728 MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); 2729 MODULE_LICENSE("Dual BSD/GPL"); 2730 MODULE_FIRMWARE(EAGLE_FIRMWARE); 2731 MODULE_FIRMWARE(ADI930_FIRMWARE); 2732 MODULE_FIRMWARE(EAGLE_I_FIRMWARE); 2733 MODULE_FIRMWARE(EAGLE_II_FIRMWARE); 2734 MODULE_FIRMWARE(EAGLE_III_FIRMWARE); 2735 MODULE_FIRMWARE(EAGLE_IV_FIRMWARE); 2736 MODULE_FIRMWARE(DSP4I_FIRMWARE); 2737 MODULE_FIRMWARE(DSP4P_FIRMWARE); 2738 MODULE_FIRMWARE(DSP9I_FIRMWARE); 2739 MODULE_FIRMWARE(DSP9P_FIRMWARE); 2740 MODULE_FIRMWARE(DSPEI_FIRMWARE); 2741 MODULE_FIRMWARE(DSPEP_FIRMWARE); 2742 MODULE_FIRMWARE(FPGA930_FIRMWARE); 2743 MODULE_FIRMWARE(CMV4P_FIRMWARE); 2744 MODULE_FIRMWARE(CMV4PV2_FIRMWARE); 2745 MODULE_FIRMWARE(CMV4I_FIRMWARE); 2746 MODULE_FIRMWARE(CMV4IV2_FIRMWARE); 2747 MODULE_FIRMWARE(CMV9P_FIRMWARE); 2748 MODULE_FIRMWARE(CMV9PV2_FIRMWARE); 2749 MODULE_FIRMWARE(CMV9I_FIRMWARE); 2750 MODULE_FIRMWARE(CMV9IV2_FIRMWARE); 2751 MODULE_FIRMWARE(CMVEP_FIRMWARE); 2752 MODULE_FIRMWARE(CMVEPV2_FIRMWARE); 2753 MODULE_FIRMWARE(CMVEI_FIRMWARE); 2754 MODULE_FIRMWARE(CMVEIV2_FIRMWARE); 2755