b72458a8 |
1 | /*- |
2 | * Copyright (c) 2003, 2004 |
3 | * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. |
4 | * |
5 | * Copyright (c) 2005 Matthieu Castet <castet.matthieu@free.fr> |
6 | * |
7 | * This software is available to you under a choice of one of two |
8 | * licenses. You may choose to be licensed under the terms of the GNU |
9 | * General Public License (GPL) Version 2, available from the file |
10 | * COPYING in the main directory of this source tree, or the |
11 | * BSD license below: |
12 | * |
13 | * Redistribution and use in source and binary forms, with or without |
14 | * modification, are permitted provided that the following conditions |
15 | * are met: |
16 | * 1. Redistributions of source code must retain the above copyright |
17 | * notice unmodified, this list of conditions, and the following |
18 | * disclaimer. |
19 | * 2. Redistributions in binary form must reproduce the above copyright |
20 | * notice, this list of conditions and the following disclaimer in the |
21 | * documentation and/or other materials provided with the distribution. |
22 | * |
23 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
24 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
27 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
30 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
31 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
32 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
33 | * SUCH DAMAGE. |
34 | * |
35 | * GPL license : |
36 | * This program is free software; you can redistribute it and/or |
37 | * modify it under the terms of the GNU General Public License |
38 | * as published by the Free Software Foundation; either version 2 |
39 | * of the License, or (at your option) any later version. |
40 | * |
41 | * This program is distributed in the hope that it will be useful, |
42 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
43 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
44 | * GNU General Public License for more details. |
45 | * |
46 | * You should have received a copy of the GNU General Public License |
47 | * along with this program; if not, write to the Free Software |
48 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
49 | * |
50 | * |
51 | * HISTORY : some part of the code was base on ueagle 1.3 BSD driver, |
52 | * Damien Bergamini agree to put his code under a DUAL GPL/BSD license. |
53 | * |
54 | * The rest of the code was was rewritten from scratch. |
55 | */ |
56 | |
57 | #include <linux/module.h> |
58 | #include <linux/moduleparam.h> |
59 | #include <linux/init.h> |
60 | #include <linux/crc32.h> |
61 | #include <linux/usb.h> |
62 | #include <linux/firmware.h> |
63 | #include <linux/ctype.h> |
64 | #include <linux/kthread.h> |
65 | #include <linux/version.h> |
66 | #include <asm/unaligned.h> |
67 | |
68 | #include "usbatm.h" |
69 | |
70 | #define EAGLEUSBVERSION "ueagle 1.1" |
71 | |
72 | |
73 | /* |
74 | * Debug macros |
75 | */ |
76 | #define uea_dbg(usb_dev, format, args...) \ |
77 | do { \ |
78 | if (debug >= 1) \ |
79 | dev_dbg(&(usb_dev)->dev, \ |
80 | "[ueagle-atm dbg] %s: " format, \ |
81 | __FUNCTION__, ##args); \ |
82 | } while (0) |
83 | |
84 | #define uea_vdbg(usb_dev, format, args...) \ |
85 | do { \ |
86 | if (debug >= 2) \ |
87 | dev_dbg(&(usb_dev)->dev, \ |
88 | "[ueagle-atm vdbg] " format, ##args); \ |
89 | } while (0) |
90 | |
91 | #define uea_enters(usb_dev) \ |
92 | uea_vdbg(usb_dev, "entering %s\n", __FUNCTION__) |
93 | |
94 | #define uea_leaves(usb_dev) \ |
95 | uea_vdbg(usb_dev, "leaving %s\n", __FUNCTION__) |
96 | |
97 | #define uea_err(usb_dev, format,args...) \ |
98 | dev_err(&(usb_dev)->dev ,"[UEAGLE-ATM] " format , ##args) |
99 | |
100 | #define uea_warn(usb_dev, format,args...) \ |
101 | dev_warn(&(usb_dev)->dev ,"[Ueagle-atm] " format, ##args) |
102 | |
103 | #define uea_info(usb_dev, format,args...) \ |
104 | dev_info(&(usb_dev)->dev ,"[ueagle-atm] " format, ##args) |
105 | |
106 | struct uea_cmvs { |
107 | u32 address; |
108 | u16 offset; |
109 | u32 data; |
110 | } __attribute__ ((packed)); |
111 | |
112 | struct uea_softc { |
113 | struct usb_device *usb_dev; |
114 | struct usbatm_data *usbatm; |
115 | |
116 | int modem_index; |
117 | unsigned int driver_info; |
118 | |
119 | int booting; |
120 | int reset; |
121 | |
122 | wait_queue_head_t sync_q; |
123 | |
124 | struct task_struct *kthread; |
125 | u32 data; |
126 | wait_queue_head_t cmv_ack_wait; |
127 | int cmv_ack; |
128 | |
129 | struct work_struct task; |
130 | u16 pageno; |
131 | u16 ovl; |
132 | |
133 | const struct firmware *dsp_firm; |
134 | struct urb *urb_int; |
135 | |
136 | u8 cmv_function; |
137 | u16 cmv_idx; |
138 | u32 cmv_address; |
139 | u16 cmv_offset; |
140 | |
141 | /* keep in sync with eaglectl */ |
142 | struct uea_stats { |
143 | struct { |
144 | u32 state; |
145 | u32 flags; |
146 | u32 mflags; |
147 | u32 vidcpe; |
148 | u32 vidco; |
149 | u32 dsrate; |
150 | u32 usrate; |
151 | u32 dsunc; |
152 | u32 usunc; |
153 | u32 dscorr; |
154 | u32 uscorr; |
155 | u32 txflow; |
156 | u32 rxflow; |
157 | u32 usattenuation; |
158 | u32 dsattenuation; |
159 | u32 dsmargin; |
160 | u32 usmargin; |
161 | u32 firmid; |
162 | } phy; |
163 | } stats; |
164 | }; |
165 | |
166 | /* |
167 | * Elsa IDs |
168 | */ |
169 | #define ELSA_VID 0x05CC |
170 | #define ELSA_PID_PSTFIRM 0x3350 |
171 | #define ELSA_PID_PREFIRM 0x3351 |
172 | |
173 | /* |
174 | * Sagem USB IDs |
175 | */ |
176 | #define EAGLE_VID 0x1110 |
177 | #define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */ |
178 | #define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */ |
179 | |
180 | #define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */ |
181 | #define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */ |
182 | |
183 | #define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */ |
184 | #define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */ |
185 | |
186 | /* |
187 | * Eagle III Pid |
188 | */ |
189 | #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */ |
190 | #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */ |
191 | |
192 | /* |
193 | * USR USB IDs |
194 | */ |
195 | #define USR_VID 0x0BAF |
196 | #define MILLER_A_PID_PREFIRM 0x00F2 |
197 | #define MILLER_A_PID_PSTFIRM 0x00F1 |
198 | #define MILLER_B_PID_PREFIRM 0x00FA |
199 | #define MILLER_B_PID_PSTFIRM 0x00F9 |
200 | #define HEINEKEN_A_PID_PREFIRM 0x00F6 |
201 | #define HEINEKEN_A_PID_PSTFIRM 0x00F5 |
202 | #define HEINEKEN_B_PID_PREFIRM 0x00F8 |
203 | #define HEINEKEN_B_PID_PSTFIRM 0x00F7 |
204 | |
205 | #define PREFIRM 0 |
206 | #define PSTFIRM (1<<7) |
207 | enum { |
208 | ADI930 = 0, |
209 | EAGLE_I, |
210 | EAGLE_II, |
211 | EAGLE_III |
212 | }; |
213 | |
214 | /* macros for both struct usb_device_id and struct uea_softc */ |
215 | #define UEA_IS_PREFIRM(x) \ |
216 | (!((x)->driver_info & PSTFIRM)) |
217 | #define UEA_CHIP_VERSION(x) \ |
218 | ((x)->driver_info & 0xf) |
219 | |
220 | #define IS_ISDN(sc) \ |
221 | (le16_to_cpu(sc->usb_dev->descriptor.bcdDevice) & 0x80) |
222 | |
223 | #define INS_TO_USBDEV(ins) ins->usb_dev |
224 | |
225 | #define GET_STATUS(data) \ |
226 | ((data >> 8) & 0xf) |
227 | #define IS_OPERATIONAL(sc) \ |
228 | (GET_STATUS(sc->stats.phy.state) == 2) |
229 | |
230 | /* |
231 | * Set of macros to handle unaligned data in the firmware blob. |
232 | * The FW_GET_BYTE() macro is provided only for consistency. |
233 | */ |
234 | |
235 | #define FW_GET_BYTE(p) *((__u8 *) (p)) |
236 | #define FW_GET_WORD(p) le16_to_cpu(get_unaligned((__le16 *) (p))) |
237 | #define FW_GET_LONG(p) le32_to_cpu(get_unaligned((__le32 *) (p))) |
238 | |
239 | #define FW_DIR "ueagle-atm/" |
240 | #define NB_MODEM 4 |
241 | |
242 | #define BULK_TIMEOUT 300 |
243 | #define CTRL_TIMEOUT 1000 |
244 | |
245 | #define ACK_TIMEOUT msecs_to_jiffies(1500) |
246 | |
247 | #define UEA_INTR_IFACE_NO 0 |
248 | #define UEA_US_IFACE_NO 1 |
249 | #define UEA_DS_IFACE_NO 2 |
250 | |
251 | #define FASTEST_ISO_INTF 8 |
252 | |
253 | #define UEA_BULK_DATA_PIPE 0x02 |
254 | #define UEA_IDMA_PIPE 0x04 |
255 | #define UEA_INTR_PIPE 0x04 |
256 | #define UEA_ISO_DATA_PIPE 0x08 |
257 | |
258 | #define UEA_SET_BLOCK 0x0001 |
259 | #define UEA_SET_MODE 0x0003 |
260 | #define UEA_SET_2183_DATA 0x0004 |
261 | #define UEA_SET_TIMEOUT 0x0011 |
262 | |
263 | #define UEA_LOOPBACK_OFF 0x0002 |
264 | #define UEA_LOOPBACK_ON 0x0003 |
265 | #define UEA_BOOT_IDMA 0x0006 |
266 | #define UEA_START_RESET 0x0007 |
267 | #define UEA_END_RESET 0x0008 |
268 | |
269 | #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000) |
270 | #define UEA_MPTX_START (0x3fce | 0x4000) |
271 | #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000) |
272 | #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000) |
273 | |
274 | /* structure describing a block within a DSP page */ |
275 | struct block_info { |
276 | __le16 wHdr; |
277 | #define UEA_BIHDR 0xabcd |
278 | __le16 wAddress; |
279 | __le16 wSize; |
280 | __le16 wOvlOffset; |
281 | __le16 wOvl; /* overlay */ |
282 | __le16 wLast; |
283 | } __attribute__ ((packed)); |
284 | #define BLOCK_INFO_SIZE 12 |
285 | |
286 | /* structure representing a CMV (Configuration and Management Variable) */ |
287 | struct cmv { |
288 | __le16 wPreamble; |
289 | #define PREAMBLE 0x535c |
290 | __u8 bDirection; |
291 | #define MODEMTOHOST 0x01 |
292 | #define HOSTTOMODEM 0x10 |
293 | __u8 bFunction; |
294 | #define FUNCTION_TYPE(f) ((f) >> 4) |
295 | #define MEMACCESS 0x1 |
296 | #define ADSLDIRECTIVE 0x7 |
297 | |
298 | #define FUNCTION_SUBTYPE(f) ((f) & 0x0f) |
299 | /* for MEMACCESS */ |
300 | #define REQUESTREAD 0x0 |
301 | #define REQUESTWRITE 0x1 |
302 | #define REPLYREAD 0x2 |
303 | #define REPLYWRITE 0x3 |
304 | /* for ADSLDIRECTIVE */ |
305 | #define KERNELREADY 0x0 |
306 | #define MODEMREADY 0x1 |
307 | |
308 | #define MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf)) |
309 | __le16 wIndex; |
310 | __le32 dwSymbolicAddress; |
311 | #define MAKESA(a, b, c, d) \ |
312 | (((c) & 0xff) << 24 | \ |
313 | ((d) & 0xff) << 16 | \ |
314 | ((a) & 0xff) << 8 | \ |
315 | ((b) & 0xff)) |
316 | |
317 | #define SA_CNTL MAKESA('C', 'N', 'T', 'L') |
318 | #define SA_DIAG MAKESA('D', 'I', 'A', 'G') |
319 | #define SA_INFO MAKESA('I', 'N', 'F', 'O') |
320 | #define SA_OPTN MAKESA('O', 'P', 'T', 'N') |
321 | #define SA_RATE MAKESA('R', 'A', 'T', 'E') |
322 | #define SA_STAT MAKESA('S', 'T', 'A', 'T') |
323 | __le16 wOffsetAddress; |
324 | __le32 dwData; |
325 | } __attribute__ ((packed)); |
326 | #define CMV_SIZE 16 |
327 | |
328 | /* structure representing swap information */ |
329 | struct swap_info { |
330 | __u8 bSwapPageNo; |
331 | __u8 bOvl; /* overlay */ |
332 | } __attribute__ ((packed)); |
333 | |
334 | /* structure representing interrupt data */ |
335 | struct intr_pkt { |
336 | __u8 bType; |
337 | __u8 bNotification; |
338 | __le16 wValue; |
339 | __le16 wIndex; |
340 | __le16 wLength; |
341 | __le16 wInterrupt; |
342 | #define INT_LOADSWAPPAGE 0x0001 |
343 | #define INT_INCOMINGCMV 0x0002 |
344 | union { |
345 | struct { |
346 | struct swap_info swapinfo; |
347 | __le16 wDataSize; |
348 | } __attribute__ ((packed)) s1; |
349 | |
350 | struct { |
351 | struct cmv cmv; |
352 | __le16 wDataSize; |
353 | } __attribute__ ((packed)) s2; |
354 | } __attribute__ ((packed)) u; |
355 | #define bSwapPageNo u.s1.swapinfo.bSwapPageNo |
356 | #define bOvl u.s1.swapinfo.bOvl |
357 | } __attribute__ ((packed)); |
358 | #define INTR_PKT_SIZE 28 |
359 | |
360 | static struct usb_driver uea_driver; |
361 | static DECLARE_MUTEX(uea_semaphore); |
362 | static const char *chip_name[] = {"ADI930", "Eagle I", "Eagle II", "Eagle III"}; |
363 | |
364 | static int modem_index; |
365 | static unsigned int debug; |
366 | static int sync_wait[NB_MODEM]; |
367 | static char *cmv_file[NB_MODEM]; |
368 | |
369 | module_param(debug, uint, 0644); |
370 | MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)"); |
371 | module_param_array(sync_wait, bool, NULL, 0644); |
372 | MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM"); |
373 | module_param_array(cmv_file, charp, NULL, 0644); |
374 | MODULE_PARM_DESC(cmv_file, |
375 | "file name with configuration and management variables"); |
376 | |
377 | #define UPDATE_ATM_STAT(type, val) \ |
378 | do { \ |
379 | if (sc->usbatm->atm_dev) \ |
380 | sc->usbatm->atm_dev->type = val; \ |
381 | } while (0) |
382 | |
383 | /* Firmware loading */ |
384 | #define LOAD_INTERNAL 0xA0 |
385 | #define F8051_USBCS 0x7f92 |
386 | |
387 | /** |
388 | * uea_send_modem_cmd - Send a command for pre-firmware devices. |
389 | */ |
390 | static int uea_send_modem_cmd(struct usb_device *usb, |
391 | u16 addr, u16 size, u8 * buff) |
392 | { |
393 | int ret = -ENOMEM; |
394 | u8 *xfer_buff; |
395 | |
396 | xfer_buff = kmalloc(size, GFP_KERNEL); |
397 | if (xfer_buff) { |
398 | memcpy(xfer_buff, buff, size); |
399 | ret = usb_control_msg(usb, |
400 | usb_sndctrlpipe(usb, 0), |
401 | LOAD_INTERNAL, |
402 | USB_DIR_OUT | USB_TYPE_VENDOR | |
403 | USB_RECIP_DEVICE, addr, 0, xfer_buff, |
404 | size, CTRL_TIMEOUT); |
405 | kfree(xfer_buff); |
406 | } |
407 | |
408 | if (ret < 0) |
409 | return ret; |
410 | |
411 | return (ret == size) ? 0 : -EIO; |
412 | } |
413 | |
414 | static void uea_upload_pre_firmware(const struct firmware *fw_entry, void *context) |
415 | { |
416 | struct usb_device *usb = context; |
417 | u8 *pfw, value; |
418 | u32 crc = 0; |
419 | int ret, size; |
420 | |
421 | uea_enters(usb); |
422 | if (!fw_entry) { |
423 | uea_err(usb, "firmware is not available\n"); |
424 | goto err; |
425 | } |
426 | |
427 | pfw = fw_entry->data; |
428 | size = fw_entry->size; |
8d7802ed |
429 | if (size < 4) |
430 | goto err_fw_corrupted; |
b72458a8 |
431 | |
432 | crc = FW_GET_LONG(pfw); |
433 | pfw += 4; |
434 | size -= 4; |
8d7802ed |
435 | if (crc32_be(0, pfw, size) != crc) |
436 | goto err_fw_corrupted; |
b72458a8 |
437 | |
438 | /* |
439 | * Start to upload formware : send reset |
440 | */ |
441 | value = 1; |
442 | ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value); |
443 | |
444 | if (ret < 0) { |
445 | uea_err(usb, "modem reset failed with error %d\n", ret); |
446 | goto err; |
447 | } |
448 | |
8d7802ed |
449 | while (size > 3) { |
b72458a8 |
450 | u8 len = FW_GET_BYTE(pfw); |
451 | u16 add = FW_GET_WORD(pfw + 1); |
8d7802ed |
452 | |
453 | size -= len + 3; |
454 | if (size < 0) |
455 | goto err_fw_corrupted; |
456 | |
b72458a8 |
457 | ret = uea_send_modem_cmd(usb, add, len, pfw + 3); |
458 | if (ret < 0) { |
459 | uea_err(usb, "uploading firmware data failed " |
460 | "with error %d\n", ret); |
461 | goto err; |
462 | } |
463 | pfw += len + 3; |
b72458a8 |
464 | } |
465 | |
8d7802ed |
466 | if (size != 0) |
467 | goto err_fw_corrupted; |
468 | |
b72458a8 |
469 | /* |
470 | * Tell the modem we finish : de-assert reset |
471 | */ |
472 | value = 0; |
473 | ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value); |
474 | if (ret < 0) |
475 | uea_err(usb, "modem de-assert failed with error %d\n", ret); |
476 | else |
477 | uea_info(usb, "firmware uploaded\n"); |
478 | |
8d7802ed |
479 | uea_leaves(usb); |
480 | return; |
481 | |
482 | err_fw_corrupted: |
483 | uea_err(usb, "firmware is corrupted\n"); |
b72458a8 |
484 | err: |
485 | uea_leaves(usb); |
486 | } |
487 | |
488 | /** |
489 | * uea_load_firmware - Load usb firmware for pre-firmware devices. |
490 | */ |
491 | static int uea_load_firmware(struct usb_device *usb, unsigned int ver) |
492 | { |
493 | int ret; |
494 | char *fw_name = FW_DIR "eagle.fw"; |
495 | |
496 | uea_enters(usb); |
497 | uea_info(usb, "pre-firmware device, uploading firmware\n"); |
498 | |
499 | switch (ver) { |
500 | case ADI930: |
501 | fw_name = FW_DIR "adi930.fw"; |
502 | break; |
503 | case EAGLE_I: |
504 | fw_name = FW_DIR "eagleI.fw"; |
505 | break; |
506 | case EAGLE_II: |
507 | fw_name = FW_DIR "eagleII.fw"; |
508 | break; |
509 | case EAGLE_III: |
510 | fw_name = FW_DIR "eagleIII.fw"; |
511 | break; |
512 | } |
513 | |
514 | ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, usb, uea_upload_pre_firmware); |
515 | if (ret) |
516 | uea_err(usb, "firmware %s is not available\n", fw_name); |
517 | else |
518 | uea_info(usb, "loading firmware %s\n", fw_name); |
519 | |
520 | uea_leaves(usb); |
521 | return ret; |
522 | } |
523 | |
524 | /* modem management : dsp firmware, send/read CMV, monitoring statistic |
525 | */ |
526 | |
527 | /* |
528 | * Make sure that the DSP code provided is safe to use. |
529 | */ |
530 | static int check_dsp(u8 *dsp, unsigned int len) |
531 | { |
532 | u8 pagecount, blockcount; |
533 | u16 blocksize; |
534 | u32 pageoffset; |
535 | unsigned int i, j, p, pp; |
536 | |
b72458a8 |
537 | pagecount = FW_GET_BYTE(dsp); |
538 | p = 1; |
539 | |
540 | /* enough space for page offsets? */ |
541 | if (p + 4 * pagecount > len) |
542 | return 1; |
543 | |
544 | for (i = 0; i < pagecount; i++) { |
545 | |
546 | pageoffset = FW_GET_LONG(dsp + p); |
547 | p += 4; |
548 | |
549 | if (pageoffset == 0) |
550 | continue; |
551 | |
552 | /* enough space for blockcount? */ |
553 | if (pageoffset >= len) |
554 | return 1; |
555 | |
556 | pp = pageoffset; |
557 | blockcount = FW_GET_BYTE(dsp + pp); |
558 | pp += 1; |
559 | |
560 | for (j = 0; j < blockcount; j++) { |
561 | |
562 | /* enough space for block header? */ |
563 | if (pp + 4 > len) |
564 | return 1; |
565 | |
566 | pp += 2; /* skip blockaddr */ |
567 | blocksize = FW_GET_WORD(dsp + pp); |
568 | pp += 2; |
569 | |
570 | /* enough space for block data? */ |
571 | if (pp + blocksize > len) |
572 | return 1; |
573 | |
574 | pp += blocksize; |
575 | } |
576 | } |
577 | |
578 | return 0; |
579 | } |
580 | |
581 | /* |
582 | * send data to the idma pipe |
583 | * */ |
584 | static int uea_idma_write(struct uea_softc *sc, void *data, u32 size) |
585 | { |
586 | int ret = -ENOMEM; |
587 | u8 *xfer_buff; |
588 | int bytes_read; |
589 | |
590 | xfer_buff = kmalloc(size, GFP_KERNEL); |
591 | if (!xfer_buff) { |
592 | uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); |
593 | return ret; |
594 | } |
595 | |
596 | memcpy(xfer_buff, data, size); |
597 | |
598 | ret = usb_bulk_msg(sc->usb_dev, |
599 | usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE), |
600 | xfer_buff, size, &bytes_read, BULK_TIMEOUT); |
601 | |
602 | kfree(xfer_buff); |
603 | if (ret < 0) |
604 | return ret; |
605 | if (size != bytes_read) { |
606 | uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size, |
607 | bytes_read); |
608 | return -EIO; |
609 | } |
610 | |
611 | return 0; |
612 | } |
613 | |
614 | static int request_dsp(struct uea_softc *sc) |
615 | { |
616 | int ret; |
617 | char *dsp_name; |
618 | |
619 | if (UEA_CHIP_VERSION(sc) == ADI930) { |
620 | if (IS_ISDN(sc)) |
621 | dsp_name = FW_DIR "DSP9i.bin"; |
622 | else |
623 | dsp_name = FW_DIR "DSP9p.bin"; |
624 | } else { |
625 | if (IS_ISDN(sc)) |
626 | dsp_name = FW_DIR "DSPei.bin"; |
627 | else |
628 | dsp_name = FW_DIR "DSPep.bin"; |
629 | } |
630 | |
631 | ret = request_firmware(&sc->dsp_firm, |
632 | dsp_name, &sc->usb_dev->dev); |
633 | if (ret < 0) { |
634 | uea_err(INS_TO_USBDEV(sc), |
635 | "requesting firmware %s failed with error %d\n", |
636 | dsp_name, ret); |
637 | return ret; |
638 | } |
639 | |
640 | if (check_dsp(sc->dsp_firm->data, sc->dsp_firm->size)) { |
641 | uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", |
642 | dsp_name); |
643 | release_firmware(sc->dsp_firm); |
644 | sc->dsp_firm = NULL; |
645 | return -EILSEQ; |
646 | } |
647 | |
648 | return 0; |
649 | } |
650 | |
651 | /* |
652 | * The uea_load_page() function must be called within a process context |
653 | */ |
654 | static void uea_load_page(void *xsc) |
655 | { |
656 | struct uea_softc *sc = xsc; |
657 | u16 pageno = sc->pageno; |
658 | u16 ovl = sc->ovl; |
659 | struct block_info bi; |
660 | |
661 | u8 *p; |
662 | u8 pagecount, blockcount; |
663 | u16 blockaddr, blocksize; |
664 | u32 pageoffset; |
665 | int i; |
666 | |
667 | /* reload firmware when reboot start and it's loaded already */ |
668 | if (ovl == 0 && pageno == 0 && sc->dsp_firm) { |
669 | release_firmware(sc->dsp_firm); |
670 | sc->dsp_firm = NULL; |
671 | } |
672 | |
673 | if (sc->dsp_firm == NULL && request_dsp(sc) < 0) |
674 | return; |
675 | |
676 | p = sc->dsp_firm->data; |
677 | pagecount = FW_GET_BYTE(p); |
678 | p += 1; |
679 | |
680 | if (pageno >= pagecount) |
681 | goto bad1; |
682 | |
683 | p += 4 * pageno; |
684 | pageoffset = FW_GET_LONG(p); |
685 | |
686 | if (pageoffset == 0) |
687 | goto bad1; |
688 | |
689 | p = sc->dsp_firm->data + pageoffset; |
690 | blockcount = FW_GET_BYTE(p); |
691 | p += 1; |
692 | |
693 | uea_dbg(INS_TO_USBDEV(sc), |
694 | "sending %u blocks for DSP page %u\n", blockcount, pageno); |
695 | |
696 | bi.wHdr = cpu_to_le16(UEA_BIHDR); |
697 | bi.wOvl = cpu_to_le16(ovl); |
698 | bi.wOvlOffset = cpu_to_le16(ovl | 0x8000); |
699 | |
700 | for (i = 0; i < blockcount; i++) { |
701 | blockaddr = FW_GET_WORD(p); |
702 | p += 2; |
703 | |
704 | blocksize = FW_GET_WORD(p); |
705 | p += 2; |
706 | |
707 | bi.wSize = cpu_to_le16(blocksize); |
708 | bi.wAddress = cpu_to_le16(blockaddr); |
709 | bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0); |
710 | |
711 | /* send block info through the IDMA pipe */ |
712 | if (uea_idma_write(sc, &bi, BLOCK_INFO_SIZE)) |
713 | goto bad2; |
714 | |
715 | /* send block data through the IDMA pipe */ |
716 | if (uea_idma_write(sc, p, blocksize)) |
717 | goto bad2; |
718 | |
719 | p += blocksize; |
720 | } |
721 | |
722 | return; |
723 | |
724 | bad2: |
725 | uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i); |
726 | return; |
727 | bad1: |
728 | uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n",pageno); |
729 | } |
730 | |
731 | static inline void wake_up_cmv_ack(struct uea_softc *sc) |
732 | { |
733 | sc->cmv_ack = 1; |
734 | wake_up(&sc->cmv_ack_wait); |
735 | } |
736 | |
737 | static inline int wait_cmv_ack(struct uea_softc *sc) |
738 | { |
739 | int ret = wait_event_timeout(sc->cmv_ack_wait, |
740 | sc->cmv_ack, ACK_TIMEOUT); |
741 | sc->cmv_ack = 0; |
742 | |
743 | if (ret < 0) |
744 | return ret; |
745 | |
746 | return (ret == 0) ? -ETIMEDOUT : 0; |
747 | |
748 | } |
749 | |
750 | #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00 |
751 | |
752 | static int uea_request(struct uea_softc *sc, |
753 | u16 value, u16 index, u16 size, void *data) |
754 | { |
755 | u8 *xfer_buff; |
756 | int ret = -ENOMEM; |
757 | |
758 | xfer_buff = kmalloc(size, GFP_KERNEL); |
759 | if (!xfer_buff) { |
760 | uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); |
761 | return ret; |
762 | } |
763 | memcpy(xfer_buff, data, size); |
764 | |
765 | ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0), |
766 | UCDC_SEND_ENCAPSULATED_COMMAND, |
767 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
768 | value, index, xfer_buff, size, CTRL_TIMEOUT); |
769 | |
770 | kfree(xfer_buff); |
771 | if (ret < 0) { |
772 | uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret); |
773 | return ret; |
774 | } |
775 | |
776 | if (ret != size) { |
777 | uea_err(INS_TO_USBDEV(sc), |
778 | "usb_control_msg send only %d bytes (instead of %d)\n", |
779 | ret, size); |
780 | return -EIO; |
781 | } |
782 | |
783 | return 0; |
784 | } |
785 | |
786 | static int uea_cmv(struct uea_softc *sc, |
787 | u8 function, u32 address, u16 offset, u32 data) |
788 | { |
789 | struct cmv cmv; |
790 | int ret; |
791 | |
792 | /* we send a request, but we expect a reply */ |
793 | sc->cmv_function = function | 0x2; |
794 | sc->cmv_idx++; |
795 | sc->cmv_address = address; |
796 | sc->cmv_offset = offset; |
797 | |
798 | cmv.wPreamble = cpu_to_le16(PREAMBLE); |
799 | cmv.bDirection = HOSTTOMODEM; |
800 | cmv.bFunction = function; |
801 | cmv.wIndex = cpu_to_le16(sc->cmv_idx); |
802 | put_unaligned(cpu_to_le32(address), &cmv.dwSymbolicAddress); |
803 | cmv.wOffsetAddress = cpu_to_le16(offset); |
804 | put_unaligned(cpu_to_le32(data >> 16 | data << 16), &cmv.dwData); |
805 | |
806 | ret = uea_request(sc, UEA_SET_BLOCK, UEA_MPTX_START, CMV_SIZE, &cmv); |
807 | if (ret < 0) |
808 | return ret; |
809 | return wait_cmv_ack(sc); |
810 | } |
811 | |
812 | static inline int uea_read_cmv(struct uea_softc *sc, |
813 | u32 address, u16 offset, u32 *data) |
814 | { |
815 | int ret = uea_cmv(sc, MAKEFUNCTION(MEMACCESS, REQUESTREAD), |
816 | address, offset, 0); |
817 | if (ret < 0) |
818 | uea_err(INS_TO_USBDEV(sc), |
819 | "reading cmv failed with error %d\n", ret); |
820 | else |
821 | *data = sc->data; |
822 | |
823 | return ret; |
824 | } |
825 | |
826 | static inline int uea_write_cmv(struct uea_softc *sc, |
827 | u32 address, u16 offset, u32 data) |
828 | { |
829 | int ret = uea_cmv(sc, MAKEFUNCTION(MEMACCESS, REQUESTWRITE), |
830 | address, offset, data); |
831 | if (ret < 0) |
832 | uea_err(INS_TO_USBDEV(sc), |
833 | "writing cmv failed with error %d\n", ret); |
834 | |
835 | return ret; |
836 | } |
837 | |
838 | /* |
839 | * Monitor the modem and update the stat |
840 | * return 0 if everything is ok |
841 | * return < 0 if an error occurs (-EAGAIN reboot needed) |
842 | */ |
843 | static int uea_stat(struct uea_softc *sc) |
844 | { |
845 | u32 data; |
846 | int ret; |
847 | |
848 | uea_enters(INS_TO_USBDEV(sc)); |
849 | data = sc->stats.phy.state; |
850 | |
851 | ret = uea_read_cmv(sc, SA_STAT, 0, &sc->stats.phy.state); |
852 | if (ret < 0) |
853 | return ret; |
854 | |
855 | switch (GET_STATUS(sc->stats.phy.state)) { |
856 | case 0: /* not yet synchronized */ |
857 | uea_dbg(INS_TO_USBDEV(sc), |
858 | "modem not yet synchronized\n"); |
859 | return 0; |
860 | |
861 | case 1: /* initialization */ |
862 | uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); |
863 | return 0; |
864 | |
865 | case 2: /* operational */ |
866 | uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n"); |
867 | break; |
868 | |
869 | case 3: /* fail ... */ |
870 | uea_info(INS_TO_USBDEV(sc), "modem synchronization failed\n"); |
871 | return -EAGAIN; |
872 | |
873 | case 4 ... 6: /* test state */ |
874 | uea_warn(INS_TO_USBDEV(sc), |
875 | "modem in test mode - not supported\n"); |
876 | return -EAGAIN; |
877 | |
878 | case 7: /* fast-retain ... */ |
879 | uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n"); |
880 | return 0; |
881 | default: |
882 | uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n", |
883 | GET_STATUS(sc->stats.phy.state)); |
884 | return -EAGAIN; |
885 | } |
886 | |
887 | if (GET_STATUS(data) != 2) { |
888 | uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); |
889 | uea_info(INS_TO_USBDEV(sc), "modem operational\n"); |
890 | |
891 | /* release the dsp firmware as it is not needed until |
892 | * the next failure |
893 | */ |
894 | if (sc->dsp_firm) { |
895 | release_firmware(sc->dsp_firm); |
896 | sc->dsp_firm = NULL; |
897 | } |
898 | |
899 | ret = uea_read_cmv(sc, SA_INFO, 10, &sc->stats.phy.firmid); |
900 | if (ret < 0) |
901 | return ret; |
902 | uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", |
903 | sc->stats.phy.firmid); |
904 | } |
905 | |
906 | /* always update it as atm layer could not be init when we switch to |
907 | * operational state |
908 | */ |
909 | UPDATE_ATM_STAT(signal, ATM_PHY_SIG_FOUND); |
910 | |
911 | /* wake up processes waiting for synchronization */ |
912 | wake_up(&sc->sync_q); |
913 | |
914 | ret = uea_read_cmv(sc, SA_DIAG, 2, &sc->stats.phy.flags); |
915 | if (ret < 0) |
916 | return ret; |
917 | sc->stats.phy.mflags |= sc->stats.phy.flags; |
918 | |
919 | /* in case of a flags ( for example delineation LOSS (& 0x10)), |
920 | * we check the status again in order to detect the failure earlier |
921 | */ |
922 | if (sc->stats.phy.flags) { |
923 | uea_dbg(INS_TO_USBDEV(sc), "Stat flag = %d\n", |
924 | sc->stats.phy.flags); |
925 | return 0; |
926 | } |
927 | |
928 | ret = uea_read_cmv(sc, SA_RATE, 0, &data); |
929 | if (ret < 0) |
930 | return ret; |
931 | |
932 | /* in bulk mode the modem have problem with high rate |
933 | * changing internal timing could improve things, but the |
934 | * value is misterious. |
935 | * ADI930 don't support it (-EPIPE error). |
936 | */ |
937 | if (UEA_CHIP_VERSION(sc) != ADI930 |
938 | && sc->stats.phy.dsrate != (data >> 16) * 32) { |
939 | /* Original timming from ADI(used in windows driver) |
940 | * 0x20ffff>>16 * 32 = 32 * 32 = 1Mbits |
941 | */ |
942 | u16 timeout = (data <= 0x20ffff) ? 0 : 1; |
943 | ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL); |
944 | uea_info(INS_TO_USBDEV(sc), |
945 | "setting new timeout %d%s\n", timeout, |
946 | ret < 0?" failed":""); |
947 | } |
948 | sc->stats.phy.dsrate = (data >> 16) * 32; |
949 | sc->stats.phy.usrate = (data & 0xffff) * 32; |
950 | UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); |
951 | |
952 | ret = uea_read_cmv(sc, SA_DIAG, 23, &data); |
953 | if (ret < 0) |
954 | return ret; |
955 | sc->stats.phy.dsattenuation = (data & 0xff) / 2; |
956 | |
957 | ret = uea_read_cmv(sc, SA_DIAG, 47, &data); |
958 | if (ret < 0) |
959 | return ret; |
960 | sc->stats.phy.usattenuation = (data & 0xff) / 2; |
961 | |
962 | ret = uea_read_cmv(sc, SA_DIAG, 25, &sc->stats.phy.dsmargin); |
963 | if (ret < 0) |
964 | return ret; |
965 | |
966 | ret = uea_read_cmv(sc, SA_DIAG, 49, &sc->stats.phy.usmargin); |
967 | if (ret < 0) |
968 | return ret; |
969 | |
970 | ret = uea_read_cmv(sc, SA_DIAG, 51, &sc->stats.phy.rxflow); |
971 | if (ret < 0) |
972 | return ret; |
973 | |
974 | ret = uea_read_cmv(sc, SA_DIAG, 52, &sc->stats.phy.txflow); |
975 | if (ret < 0) |
976 | return ret; |
977 | |
978 | ret = uea_read_cmv(sc, SA_DIAG, 54, &sc->stats.phy.dsunc); |
979 | if (ret < 0) |
980 | return ret; |
981 | |
982 | /* only for atu-c */ |
983 | ret = uea_read_cmv(sc, SA_DIAG, 58, &sc->stats.phy.usunc); |
984 | if (ret < 0) |
985 | return ret; |
986 | |
987 | ret = uea_read_cmv(sc, SA_DIAG, 53, &sc->stats.phy.dscorr); |
988 | if (ret < 0) |
989 | return ret; |
990 | |
991 | /* only for atu-c */ |
992 | ret = uea_read_cmv(sc, SA_DIAG, 57, &sc->stats.phy.uscorr); |
993 | if (ret < 0) |
994 | return ret; |
995 | |
996 | ret = uea_read_cmv(sc, SA_INFO, 8, &sc->stats.phy.vidco); |
997 | if (ret < 0) |
998 | return ret; |
999 | |
1000 | ret = uea_read_cmv(sc, SA_INFO, 13, &sc->stats.phy.vidcpe); |
1001 | if (ret < 0) |
1002 | return ret; |
1003 | |
1004 | return 0; |
1005 | } |
1006 | |
1007 | static int request_cmvs(struct uea_softc *sc, |
1008 | struct uea_cmvs **cmvs, const struct firmware **fw) |
1009 | { |
1010 | int ret, size; |
1011 | u8 *data; |
1012 | char *file; |
1013 | static char cmv_name[256] = FW_DIR; |
1014 | |
1015 | if (cmv_file[sc->modem_index] == NULL) { |
1016 | if (UEA_CHIP_VERSION(sc) == ADI930) |
1017 | file = (IS_ISDN(sc)) ? "CMV9i.bin" : "CMV9p.bin"; |
1018 | else |
1019 | file = (IS_ISDN(sc)) ? "CMVei.bin" : "CMVep.bin"; |
1020 | } else |
1021 | file = cmv_file[sc->modem_index]; |
1022 | |
1023 | strcpy(cmv_name, FW_DIR); |
1024 | strlcat(cmv_name, file, sizeof(cmv_name)); |
1025 | |
1026 | ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); |
1027 | if (ret < 0) { |
1028 | uea_err(INS_TO_USBDEV(sc), |
1029 | "requesting firmware %s failed with error %d\n", |
1030 | cmv_name, ret); |
1031 | return ret; |
1032 | } |
1033 | |
1034 | data = (u8 *) (*fw)->data; |
1035 | size = *data * sizeof(struct uea_cmvs) + 1; |
1036 | if (size != (*fw)->size) { |
1037 | uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", |
1038 | cmv_name); |
1039 | release_firmware(*fw); |
1040 | return -EILSEQ; |
1041 | } |
1042 | |
1043 | *cmvs = (struct uea_cmvs *)(data + 1); |
1044 | return *data; |
1045 | } |
1046 | |
1047 | /* Start boot post firmware modem: |
1048 | * - send reset commands through usb control pipe |
1049 | * - start workqueue for DSP loading |
1050 | * - send CMV options to modem |
1051 | */ |
1052 | |
1053 | static int uea_start_reset(struct uea_softc *sc) |
1054 | { |
1055 | u16 zero = 0; /* ;-) */ |
1056 | int i, len, ret; |
1057 | struct uea_cmvs *cmvs; |
1058 | const struct firmware *cmvs_fw; |
1059 | |
1060 | uea_enters(INS_TO_USBDEV(sc)); |
1061 | uea_info(INS_TO_USBDEV(sc), "(re)booting started\n"); |
1062 | |
1063 | sc->booting = 1; |
1064 | UPDATE_ATM_STAT(signal, ATM_PHY_SIG_LOST); |
1065 | |
1066 | /* reset statistics */ |
1067 | memset(&sc->stats, 0, sizeof(struct uea_stats)); |
1068 | |
1069 | /* tell the modem that we want to boot in IDMA mode */ |
1070 | uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); |
1071 | uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL); |
1072 | |
1073 | /* enter reset mode */ |
1074 | uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL); |
1075 | |
1076 | /* original driver use 200ms, but windows driver use 100ms */ |
1077 | msleep(100); |
1078 | |
1079 | /* leave reset mode */ |
1080 | uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL); |
1081 | |
1082 | /* clear tx and rx mailboxes */ |
1083 | uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero); |
1084 | uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero); |
1085 | uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero); |
1086 | |
1087 | msleep(1000); |
1088 | sc->cmv_function = MAKEFUNCTION(ADSLDIRECTIVE, MODEMREADY); |
1089 | sc->booting = 0; |
1090 | |
1091 | /* start loading DSP */ |
1092 | sc->pageno = 0; |
1093 | sc->ovl = 0; |
1094 | schedule_work(&sc->task); |
1095 | |
1096 | /* wait for modem ready CMV */ |
1097 | ret = wait_cmv_ack(sc); |
1098 | if (ret < 0) |
1099 | return ret; |
1100 | |
1101 | /* Enter in R-IDLE (cmv) until instructed otherwise */ |
1102 | ret = uea_write_cmv(sc, SA_CNTL, 0, 1); |
1103 | if (ret < 0) |
1104 | return ret; |
1105 | |
1106 | /* get options */ |
1107 | ret = len = request_cmvs(sc, &cmvs, &cmvs_fw); |
1108 | if (ret < 0) |
1109 | return ret; |
1110 | |
1111 | /* send options */ |
1112 | for (i = 0; i < len; i++) { |
1113 | ret = uea_write_cmv(sc, FW_GET_LONG(&cmvs[i].address), |
1114 | FW_GET_WORD(&cmvs[i].offset), |
1115 | FW_GET_LONG(&cmvs[i].data)); |
1116 | if (ret < 0) |
1117 | goto out; |
1118 | } |
1119 | /* Enter in R-ACT-REQ */ |
1120 | ret = uea_write_cmv(sc, SA_CNTL, 0, 2); |
1121 | out: |
1122 | release_firmware(cmvs_fw); |
1123 | sc->reset = 0; |
1124 | uea_leaves(INS_TO_USBDEV(sc)); |
1125 | return ret; |
1126 | } |
1127 | |
1128 | /* |
1129 | * In case of an error wait 1s before rebooting the modem |
1130 | * if the modem don't request reboot (-EAGAIN). |
1131 | * Monitor the modem every 1s. |
1132 | */ |
1133 | |
1134 | static int uea_kthread(void *data) |
1135 | { |
1136 | struct uea_softc *sc = data; |
1137 | int ret = -EAGAIN; |
1138 | |
1139 | uea_enters(INS_TO_USBDEV(sc)); |
1140 | while (!kthread_should_stop()) { |
1141 | if (ret < 0 || sc->reset) |
1142 | ret = uea_start_reset(sc); |
1143 | if (!ret) |
1144 | ret = uea_stat(sc); |
1145 | if (ret != -EAGAIN) |
1146 | msleep(1000); |
1147 | } |
1148 | uea_leaves(INS_TO_USBDEV(sc)); |
1149 | return ret; |
1150 | } |
1151 | |
1152 | /* Load second usb firmware for ADI930 chip */ |
1153 | static int load_XILINX_firmware(struct uea_softc *sc) |
1154 | { |
1155 | const struct firmware *fw_entry; |
1156 | int ret, size, u, ln; |
1157 | u8 *pfw, value; |
1158 | char *fw_name = FW_DIR "930-fpga.bin"; |
1159 | |
1160 | uea_enters(INS_TO_USBDEV(sc)); |
1161 | |
1162 | ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev); |
1163 | if (ret) { |
1164 | uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n", |
1165 | fw_name); |
1166 | goto err0; |
1167 | } |
1168 | |
1169 | pfw = fw_entry->data; |
1170 | size = fw_entry->size; |
1171 | if (size != 0x577B) { |
1172 | uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", |
1173 | fw_name); |
1174 | ret = -EILSEQ; |
1175 | goto err1; |
1176 | } |
1177 | for (u = 0; u < size; u += ln) { |
1178 | ln = min(size - u, 64); |
1179 | ret = uea_request(sc, 0xe, 0, ln, pfw + u); |
1180 | if (ret < 0) { |
1181 | uea_err(INS_TO_USBDEV(sc), |
1182 | "elsa download data failed (%d)\n", ret); |
1183 | goto err1; |
1184 | } |
1185 | } |
1186 | |
1187 | /* finish to send the fpga |
1188 | */ |
1189 | ret = uea_request(sc, 0xe, 1, 0, NULL); |
1190 | if (ret < 0) { |
1191 | uea_err(INS_TO_USBDEV(sc), |
1192 | "elsa download data failed (%d)\n", ret); |
1193 | goto err1; |
1194 | } |
1195 | |
1196 | /* |
1197 | * Tell the modem we finish : de-assert reset |
1198 | */ |
1199 | value = 0; |
1200 | ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value); |
1201 | if (ret < 0) |
1202 | uea_err(sc->usb_dev, "elsa de-assert failed with error %d\n", ret); |
1203 | |
1204 | |
1205 | err1: |
1206 | release_firmware(fw_entry); |
1207 | err0: |
1208 | uea_leaves(INS_TO_USBDEV(sc)); |
1209 | return ret; |
1210 | } |
1211 | |
1212 | static void uea_dispatch_cmv(struct uea_softc *sc, struct cmv* cmv) |
1213 | { |
1214 | uea_enters(INS_TO_USBDEV(sc)); |
1215 | if (le16_to_cpu(cmv->wPreamble) != PREAMBLE) |
1216 | goto bad1; |
1217 | |
1218 | if (cmv->bDirection != MODEMTOHOST) |
1219 | goto bad1; |
1220 | |
1221 | /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to |
1222 | * the first MEMACESS cmv. Ignore it... |
1223 | */ |
1224 | if (cmv->bFunction != sc->cmv_function) { |
1225 | if (UEA_CHIP_VERSION(sc) == ADI930 |
1226 | && cmv->bFunction == MAKEFUNCTION(2, 2)) { |
1227 | cmv->wIndex = cpu_to_le16(sc->cmv_idx); |
1228 | put_unaligned(cpu_to_le32(sc->cmv_address), &cmv->dwSymbolicAddress); |
1229 | cmv->wOffsetAddress = cpu_to_le16(sc->cmv_offset); |
1230 | } |
1231 | else |
1232 | goto bad2; |
1233 | } |
1234 | |
1235 | if (cmv->bFunction == MAKEFUNCTION(ADSLDIRECTIVE, MODEMREADY)) { |
1236 | wake_up_cmv_ack(sc); |
1237 | return; |
1238 | } |
1239 | |
1240 | /* in case of MEMACCESS */ |
1241 | if (le16_to_cpu(cmv->wIndex) != sc->cmv_idx || |
1242 | le32_to_cpu(get_unaligned(&cmv->dwSymbolicAddress)) != |
1243 | sc->cmv_address |
1244 | || le16_to_cpu(cmv->wOffsetAddress) != sc->cmv_offset) |
1245 | goto bad2; |
1246 | |
1247 | sc->data = le32_to_cpu(get_unaligned(&cmv->dwData)); |
1248 | sc->data = sc->data << 16 | sc->data >> 16; |
1249 | |
1250 | wake_up_cmv_ack(sc); |
1251 | return; |
1252 | |
1253 | bad2: |
1254 | uea_err(INS_TO_USBDEV(sc), "unexpected cmv received," |
1255 | "Function : %d, Subfunction : %d\n", |
1256 | FUNCTION_TYPE(cmv->bFunction), |
1257 | FUNCTION_SUBTYPE(cmv->bFunction)); |
1258 | return; |
1259 | |
1260 | bad1: |
1261 | uea_err(INS_TO_USBDEV(sc), "invalid cmv received, " |
1262 | "wPreamble %d, bDirection %d\n", |
1263 | le16_to_cpu(cmv->wPreamble), cmv->bDirection); |
1264 | } |
1265 | |
1266 | /* |
1267 | * interrupt handler |
1268 | */ |
1269 | static void uea_intr(struct urb *urb, struct pt_regs *regs) |
1270 | { |
1271 | struct uea_softc *sc = (struct uea_softc *)urb->context; |
1272 | struct intr_pkt *intr; |
1273 | uea_enters(INS_TO_USBDEV(sc)); |
1274 | |
1275 | if (urb->status < 0) { |
1276 | uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n", |
1277 | urb->status); |
1278 | return; |
1279 | } |
1280 | |
1281 | intr = (struct intr_pkt *) urb->transfer_buffer; |
1282 | |
1283 | /* device-to-host interrupt */ |
1284 | if (intr->bType != 0x08 || sc->booting) { |
1285 | uea_err(INS_TO_USBDEV(sc), "wrong intr\n"); |
1286 | // rebooting ? |
1287 | // sc->reset = 1; |
1288 | goto resubmit; |
1289 | } |
1290 | |
1291 | switch (le16_to_cpu(intr->wInterrupt)) { |
1292 | case INT_LOADSWAPPAGE: |
1293 | sc->pageno = intr->bSwapPageNo; |
1294 | sc->ovl = intr->bOvl >> 4 | intr->bOvl << 4; |
1295 | schedule_work(&sc->task); |
1296 | break; |
1297 | |
1298 | case INT_INCOMINGCMV: |
1299 | uea_dispatch_cmv(sc, &intr->u.s2.cmv); |
1300 | break; |
1301 | |
1302 | default: |
1303 | uea_err(INS_TO_USBDEV(sc), "unknown intr %u\n", |
1304 | le16_to_cpu(intr->wInterrupt)); |
1305 | } |
1306 | |
1307 | resubmit: |
1308 | usb_submit_urb(sc->urb_int, GFP_ATOMIC); |
1309 | } |
1310 | |
1311 | /* |
1312 | * Start the modem : init the data and start kernel thread |
1313 | */ |
1314 | static int uea_boot(struct uea_softc *sc) |
1315 | { |
1316 | int ret; |
1317 | struct intr_pkt *intr; |
1318 | |
1319 | uea_enters(INS_TO_USBDEV(sc)); |
1320 | |
1321 | INIT_WORK(&sc->task, uea_load_page, sc); |
1322 | init_waitqueue_head(&sc->sync_q); |
1323 | init_waitqueue_head(&sc->cmv_ack_wait); |
1324 | |
1325 | if (UEA_CHIP_VERSION(sc) == ADI930) |
1326 | load_XILINX_firmware(sc); |
1327 | |
1328 | intr = kmalloc(INTR_PKT_SIZE, GFP_KERNEL); |
1329 | if (!intr) { |
1330 | uea_err(INS_TO_USBDEV(sc), |
1331 | "cannot allocate interrupt package\n"); |
1332 | uea_leaves(INS_TO_USBDEV(sc)); |
1333 | return -ENOMEM; |
1334 | } |
1335 | |
1336 | sc->urb_int = usb_alloc_urb(0, GFP_KERNEL); |
1337 | if (!sc->urb_int) { |
1338 | uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n"); |
1339 | goto err; |
1340 | } |
1341 | |
1342 | usb_fill_int_urb(sc->urb_int, sc->usb_dev, |
1343 | usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE), |
1344 | intr, INTR_PKT_SIZE, uea_intr, sc, |
1345 | sc->usb_dev->actconfig->interface[0]->altsetting[0]. |
1346 | endpoint[0].desc.bInterval); |
1347 | |
1348 | ret = usb_submit_urb(sc->urb_int, GFP_KERNEL); |
1349 | if (ret < 0) { |
1350 | uea_err(INS_TO_USBDEV(sc), |
1351 | "urb submition failed with error %d\n", ret); |
1352 | goto err1; |
1353 | } |
1354 | |
1355 | sc->kthread = kthread_run(uea_kthread, sc, "ueagle-atm"); |
1356 | if (sc->kthread == ERR_PTR(-ENOMEM)) { |
1357 | uea_err(INS_TO_USBDEV(sc), "failed to create thread\n"); |
1358 | goto err2; |
1359 | } |
1360 | |
1361 | uea_leaves(INS_TO_USBDEV(sc)); |
1362 | return 0; |
1363 | |
1364 | err2: |
1365 | usb_kill_urb(sc->urb_int); |
1366 | err1: |
1367 | kfree(intr); |
1368 | err: |
1369 | usb_free_urb(sc->urb_int); |
1370 | uea_leaves(INS_TO_USBDEV(sc)); |
1371 | return -ENOMEM; |
1372 | } |
1373 | |
1374 | /* |
1375 | * Stop the modem : kill kernel thread and free data |
1376 | */ |
1377 | static void uea_stop(struct uea_softc *sc) |
1378 | { |
1379 | int ret; |
1380 | uea_enters(INS_TO_USBDEV(sc)); |
1381 | ret = kthread_stop(sc->kthread); |
1382 | uea_info(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret); |
1383 | |
1384 | /* stop any pending boot process */ |
1385 | flush_scheduled_work(); |
1386 | |
1387 | uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); |
1388 | |
1389 | usb_kill_urb(sc->urb_int); |
1390 | kfree(sc->urb_int->transfer_buffer); |
1391 | usb_free_urb(sc->urb_int); |
1392 | |
1393 | if (sc->dsp_firm) |
1394 | release_firmware(sc->dsp_firm); |
1395 | uea_leaves(INS_TO_USBDEV(sc)); |
1396 | } |
1397 | |
1398 | /* syfs interface */ |
1399 | static struct uea_softc *dev_to_uea(struct device *dev) |
1400 | { |
1401 | struct usb_interface *intf; |
1402 | struct usbatm_data *usbatm; |
1403 | |
1404 | intf = to_usb_interface(dev); |
1405 | if (!intf) |
1406 | return NULL; |
1407 | |
1408 | usbatm = usb_get_intfdata(intf); |
1409 | if (!usbatm) |
1410 | return NULL; |
1411 | |
1412 | return usbatm->driver_data; |
1413 | } |
1414 | |
1415 | static ssize_t read_status(struct device *dev, struct device_attribute *attr, |
1416 | char *buf) |
1417 | { |
1418 | int ret = -ENODEV; |
1419 | struct uea_softc *sc; |
1420 | |
1421 | down(&uea_semaphore); |
1422 | sc = dev_to_uea(dev); |
1423 | if (!sc) |
1424 | goto out; |
1425 | ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state); |
1426 | out: |
1427 | up(&uea_semaphore); |
1428 | return ret; |
1429 | } |
1430 | |
1431 | static ssize_t reboot(struct device *dev, struct device_attribute *attr, |
1432 | const char *buf, size_t count) |
1433 | { |
1434 | int ret = -ENODEV; |
1435 | struct uea_softc *sc; |
1436 | |
1437 | down(&uea_semaphore); |
1438 | sc = dev_to_uea(dev); |
1439 | if (!sc) |
1440 | goto out; |
1441 | sc->reset = 1; |
1442 | ret = count; |
1443 | out: |
1444 | up(&uea_semaphore); |
1445 | return ret; |
1446 | } |
1447 | |
1448 | static DEVICE_ATTR(stat_status, S_IWUGO | S_IRUGO, read_status, reboot); |
1449 | |
1450 | static ssize_t read_human_status(struct device *dev, struct device_attribute *attr, |
1451 | char *buf) |
1452 | { |
1453 | int ret = -ENODEV; |
1454 | struct uea_softc *sc; |
1455 | |
1456 | down(&uea_semaphore); |
1457 | sc = dev_to_uea(dev); |
1458 | if (!sc) |
1459 | goto out; |
1460 | |
1461 | switch (GET_STATUS(sc->stats.phy.state)) { |
1462 | case 0: |
1463 | ret = sprintf(buf, "Modem is booting\n"); |
1464 | break; |
1465 | case 1: |
1466 | ret = sprintf(buf, "Modem is initializing\n"); |
1467 | break; |
1468 | case 2: |
1469 | ret = sprintf(buf, "Modem is operational\n"); |
1470 | break; |
1471 | default: |
1472 | ret = sprintf(buf, "Modem synchronization failed\n"); |
1473 | break; |
1474 | } |
1475 | out: |
1476 | up(&uea_semaphore); |
1477 | return ret; |
1478 | } |
1479 | |
1480 | static DEVICE_ATTR(stat_human_status, S_IWUGO | S_IRUGO, read_human_status, NULL); |
1481 | |
1482 | static ssize_t read_delin(struct device *dev, struct device_attribute *attr, |
1483 | char *buf) |
1484 | { |
1485 | int ret = -ENODEV; |
1486 | struct uea_softc *sc; |
1487 | |
1488 | down(&uea_semaphore); |
1489 | sc = dev_to_uea(dev); |
1490 | if (!sc) |
1491 | goto out; |
1492 | |
1493 | if (sc->stats.phy.flags & 0x0C00) |
1494 | ret = sprintf(buf, "ERROR\n"); |
1495 | else if (sc->stats.phy.flags & 0x0030) |
1496 | ret = sprintf(buf, "LOSS\n"); |
1497 | else |
1498 | ret = sprintf(buf, "GOOD\n"); |
1499 | out: |
1500 | up(&uea_semaphore); |
1501 | return ret; |
1502 | } |
1503 | |
1504 | static DEVICE_ATTR(stat_delin, S_IWUGO | S_IRUGO, read_delin, NULL); |
1505 | |
1506 | #define UEA_ATTR(name, reset) \ |
1507 | \ |
1508 | static ssize_t read_##name(struct device *dev, \ |
1509 | struct device_attribute *attr, char *buf) \ |
1510 | { \ |
1511 | int ret = -ENODEV; \ |
1512 | struct uea_softc *sc; \ |
1513 | \ |
1514 | down(&uea_semaphore); \ |
1515 | sc = dev_to_uea(dev); \ |
1516 | if (!sc) \ |
1517 | goto out; \ |
1518 | ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \ |
1519 | if (reset) \ |
1520 | sc->stats.phy.name = 0; \ |
1521 | out: \ |
1522 | up(&uea_semaphore); \ |
1523 | return ret; \ |
1524 | } \ |
1525 | \ |
1526 | static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL) |
1527 | |
1528 | UEA_ATTR(mflags, 1); |
1529 | UEA_ATTR(vidcpe, 0); |
1530 | UEA_ATTR(usrate, 0); |
1531 | UEA_ATTR(dsrate, 0); |
1532 | UEA_ATTR(usattenuation, 0); |
1533 | UEA_ATTR(dsattenuation, 0); |
1534 | UEA_ATTR(usmargin, 0); |
1535 | UEA_ATTR(dsmargin, 0); |
1536 | UEA_ATTR(txflow, 0); |
1537 | UEA_ATTR(rxflow, 0); |
1538 | UEA_ATTR(uscorr, 0); |
1539 | UEA_ATTR(dscorr, 0); |
1540 | UEA_ATTR(usunc, 0); |
1541 | UEA_ATTR(dsunc, 0); |
1542 | |
1543 | /* Retrieve the device End System Identifier (MAC) */ |
1544 | |
1545 | #define htoi(x) (isdigit(x) ? x-'0' : toupper(x)-'A'+10) |
1546 | static int uea_getesi(struct uea_softc *sc, u_char * esi) |
1547 | { |
1548 | unsigned char mac_str[2 * ETH_ALEN + 1]; |
1549 | int i; |
1550 | if (usb_string |
1551 | (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str, |
1552 | sizeof(mac_str)) != 2 * ETH_ALEN) |
1553 | return 1; |
1554 | |
1555 | for (i = 0; i < ETH_ALEN; i++) |
1556 | esi[i] = htoi(mac_str[2 * i]) * 16 + htoi(mac_str[2 * i + 1]); |
1557 | |
1558 | return 0; |
1559 | } |
1560 | |
1561 | /* ATM stuff */ |
1562 | static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev) |
1563 | { |
1564 | struct uea_softc *sc = usbatm->driver_data; |
1565 | |
1566 | return uea_getesi(sc, atm_dev->esi); |
1567 | } |
1568 | |
1569 | static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf) |
1570 | { |
1571 | struct uea_softc *sc = usbatm->driver_data; |
1572 | |
1573 | wait_event(sc->sync_q, IS_OPERATIONAL(sc)); |
1574 | |
1575 | return 0; |
1576 | |
1577 | } |
1578 | |
1579 | static int claim_interface(struct usb_device *usb_dev, |
1580 | struct usbatm_data *usbatm, int ifnum) |
1581 | { |
1582 | int ret; |
1583 | struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum); |
1584 | |
1585 | if (!intf) { |
1586 | uea_err(usb_dev, "interface %d not found\n", ifnum); |
1587 | return -ENODEV; |
1588 | } |
1589 | |
1590 | ret = usb_driver_claim_interface(&uea_driver, intf, usbatm); |
1591 | if (ret != 0) |
1592 | uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum, |
1593 | ret); |
1594 | return ret; |
1595 | } |
1596 | |
1597 | static void create_fs_entries(struct uea_softc *sc, struct usb_interface *intf) |
1598 | { |
1599 | /* sysfs interface */ |
1600 | device_create_file(&intf->dev, &dev_attr_stat_status); |
1601 | device_create_file(&intf->dev, &dev_attr_stat_mflags); |
1602 | device_create_file(&intf->dev, &dev_attr_stat_human_status); |
1603 | device_create_file(&intf->dev, &dev_attr_stat_delin); |
1604 | device_create_file(&intf->dev, &dev_attr_stat_vidcpe); |
1605 | device_create_file(&intf->dev, &dev_attr_stat_usrate); |
1606 | device_create_file(&intf->dev, &dev_attr_stat_dsrate); |
1607 | device_create_file(&intf->dev, &dev_attr_stat_usattenuation); |
1608 | device_create_file(&intf->dev, &dev_attr_stat_dsattenuation); |
1609 | device_create_file(&intf->dev, &dev_attr_stat_usmargin); |
1610 | device_create_file(&intf->dev, &dev_attr_stat_dsmargin); |
1611 | device_create_file(&intf->dev, &dev_attr_stat_txflow); |
1612 | device_create_file(&intf->dev, &dev_attr_stat_rxflow); |
1613 | device_create_file(&intf->dev, &dev_attr_stat_uscorr); |
1614 | device_create_file(&intf->dev, &dev_attr_stat_dscorr); |
1615 | device_create_file(&intf->dev, &dev_attr_stat_usunc); |
1616 | device_create_file(&intf->dev, &dev_attr_stat_dsunc); |
1617 | } |
1618 | |
1619 | static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, |
1620 | const struct usb_device_id *id, int *heavy) |
1621 | { |
1622 | struct usb_device *usb = interface_to_usbdev(intf); |
1623 | struct uea_softc *sc; |
1624 | int ret, ifnum = intf->altsetting->desc.bInterfaceNumber; |
1625 | |
1626 | uea_enters(usb); |
1627 | |
1628 | /* interface 0 is for firmware/monitoring */ |
1629 | if (ifnum != UEA_INTR_IFACE_NO) |
1630 | return -ENODEV; |
1631 | |
1632 | *heavy = sync_wait[modem_index]; |
1633 | |
1634 | /* interface 1 is for outbound traffic */ |
1635 | ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO); |
1636 | if (ret < 0) |
1637 | return ret; |
1638 | |
1639 | /* ADI930 has only 2 interfaces and inbound traffic |
1640 | * is on interface 1 |
1641 | */ |
1642 | if (UEA_CHIP_VERSION(id) != ADI930) { |
1643 | /* interface 2 is for inbound traffic */ |
1644 | ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO); |
1645 | if (ret < 0) |
1646 | return ret; |
1647 | } |
1648 | |
1649 | sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL); |
1650 | if (!sc) { |
1651 | uea_err(INS_TO_USBDEV(sc), "uea_init: not enough memory !\n"); |
1652 | return -ENOMEM; |
1653 | } |
1654 | |
1655 | sc->usb_dev = usb; |
1656 | usbatm->driver_data = sc; |
1657 | sc->usbatm = usbatm; |
1658 | sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0; |
1659 | sc->driver_info = id->driver_info; |
1660 | |
1661 | ret = uea_boot(sc); |
1662 | if (ret < 0) { |
1663 | kfree(sc); |
1664 | return ret; |
1665 | } |
1666 | |
1667 | create_fs_entries(sc, intf); |
1668 | return 0; |
1669 | } |
1670 | |
1671 | static void destroy_fs_entries(struct uea_softc *sc, struct usb_interface *intf) |
1672 | { |
1673 | /* sysfs interface */ |
1674 | device_remove_file(&intf->dev, &dev_attr_stat_status); |
1675 | device_remove_file(&intf->dev, &dev_attr_stat_mflags); |
1676 | device_remove_file(&intf->dev, &dev_attr_stat_human_status); |
1677 | device_remove_file(&intf->dev, &dev_attr_stat_delin); |
1678 | device_remove_file(&intf->dev, &dev_attr_stat_vidcpe); |
1679 | device_remove_file(&intf->dev, &dev_attr_stat_usrate); |
1680 | device_remove_file(&intf->dev, &dev_attr_stat_dsrate); |
1681 | device_remove_file(&intf->dev, &dev_attr_stat_usattenuation); |
1682 | device_remove_file(&intf->dev, &dev_attr_stat_dsattenuation); |
1683 | device_remove_file(&intf->dev, &dev_attr_stat_usmargin); |
1684 | device_remove_file(&intf->dev, &dev_attr_stat_dsmargin); |
1685 | device_remove_file(&intf->dev, &dev_attr_stat_txflow); |
1686 | device_remove_file(&intf->dev, &dev_attr_stat_rxflow); |
1687 | device_remove_file(&intf->dev, &dev_attr_stat_uscorr); |
1688 | device_remove_file(&intf->dev, &dev_attr_stat_dscorr); |
1689 | device_remove_file(&intf->dev, &dev_attr_stat_usunc); |
1690 | device_remove_file(&intf->dev, &dev_attr_stat_dsunc); |
1691 | } |
1692 | |
1693 | static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) |
1694 | { |
1695 | struct uea_softc *sc = usbatm->driver_data; |
1696 | |
1697 | destroy_fs_entries(sc, intf); |
1698 | uea_stop(sc); |
1699 | kfree(sc); |
1700 | } |
1701 | |
1702 | static struct usbatm_driver uea_usbatm_driver = { |
1703 | .driver_name = "ueagle-atm", |
1704 | .owner = THIS_MODULE, |
1705 | .bind = uea_bind, |
1706 | .atm_start = uea_atm_open, |
1707 | .unbind = uea_unbind, |
1708 | .heavy_init = uea_heavy, |
1709 | .in = UEA_BULK_DATA_PIPE, |
1710 | .out = UEA_BULK_DATA_PIPE, |
1711 | }; |
1712 | |
1713 | static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id) |
1714 | { |
1715 | struct usb_device *usb = interface_to_usbdev(intf); |
1716 | |
1717 | uea_enters(usb); |
1718 | uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) : %s\n", |
1719 | le16_to_cpu(usb->descriptor.idVendor), |
1720 | le16_to_cpu(usb->descriptor.idProduct), |
1721 | chip_name[UEA_CHIP_VERSION(id)]); |
1722 | |
1723 | usb_reset_device(usb); |
1724 | |
1725 | if (UEA_IS_PREFIRM(id)) |
1726 | return uea_load_firmware(usb, UEA_CHIP_VERSION(id)); |
1727 | |
1728 | return usbatm_usb_probe(intf, id, &uea_usbatm_driver); |
1729 | } |
1730 | |
1731 | static void uea_disconnect(struct usb_interface *intf) |
1732 | { |
1733 | struct usb_device *usb = interface_to_usbdev(intf); |
1734 | int ifnum = intf->altsetting->desc.bInterfaceNumber; |
1735 | uea_enters(usb); |
1736 | |
1737 | /* ADI930 has 2 interfaces and eagle 3 interfaces. |
1738 | * Pre-firmware device has one interface |
1739 | */ |
1740 | if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) { |
1741 | down(&uea_semaphore); |
1742 | usbatm_usb_disconnect(intf); |
1743 | up(&uea_semaphore); |
1744 | uea_info(usb, "ADSL device removed\n"); |
1745 | } |
1746 | |
1747 | uea_leaves(usb); |
1748 | } |
1749 | |
1750 | /* |
1751 | * List of supported VID/PID |
1752 | */ |
1753 | static const struct usb_device_id uea_ids[] = { |
1754 | {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), .driver_info = ADI930 | PREFIRM}, |
1755 | {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), .driver_info = ADI930 | PSTFIRM}, |
1756 | {USB_DEVICE(EAGLE_VID, EAGLE_I_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, |
1757 | {USB_DEVICE(EAGLE_VID, EAGLE_I_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, |
1758 | {USB_DEVICE(EAGLE_VID, EAGLE_II_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM}, |
1759 | {USB_DEVICE(EAGLE_VID, EAGLE_II_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM}, |
1760 | {USB_DEVICE(EAGLE_VID, EAGLE_IIC_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM}, |
1761 | {USB_DEVICE(EAGLE_VID, EAGLE_IIC_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM}, |
1762 | {USB_DEVICE(EAGLE_VID, EAGLE_III_PID_PREFIRM), .driver_info = EAGLE_III | PREFIRM}, |
1763 | {USB_DEVICE(EAGLE_VID, EAGLE_III_PID_PSTFIRM), .driver_info = EAGLE_III | PSTFIRM}, |
1764 | {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, |
1765 | {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, |
1766 | {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, |
1767 | {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, |
1768 | {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM}, |
1769 | {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM}, |
1770 | {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM}, |
1771 | {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM}, |
1772 | {} |
1773 | }; |
1774 | |
1775 | /* |
1776 | * USB driver descriptor |
1777 | */ |
1778 | static struct usb_driver uea_driver = { |
b72458a8 |
1779 | .name = "ueagle-atm", |
1780 | .id_table = uea_ids, |
1781 | .probe = uea_probe, |
1782 | .disconnect = uea_disconnect, |
1783 | }; |
1784 | |
1785 | MODULE_DEVICE_TABLE(usb, uea_ids); |
1786 | |
1787 | /** |
1788 | * uea_init - Initialize the module. |
1789 | * Register to USB subsystem |
1790 | */ |
1791 | static int __init uea_init(void) |
1792 | { |
1793 | printk(KERN_INFO "[ueagle-atm] driver " EAGLEUSBVERSION " loaded\n"); |
1794 | |
1795 | usb_register(&uea_driver); |
1796 | |
1797 | return 0; |
1798 | } |
1799 | |
1800 | module_init(uea_init); |
1801 | |
1802 | /** |
1803 | * uea_exit - Destroy module |
1804 | * Deregister with USB subsystem |
1805 | */ |
1806 | static void __exit uea_exit(void) |
1807 | { |
1808 | /* |
1809 | * This calls automatically the uea_disconnect method if necessary: |
1810 | */ |
1811 | usb_deregister(&uea_driver); |
1812 | |
1813 | printk(KERN_INFO "[ueagle-atm] driver unloaded\n"); |
1814 | } |
1815 | |
1816 | module_exit(uea_exit); |
1817 | |
1818 | MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); |
1819 | MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); |
1820 | MODULE_LICENSE("Dual BSD/GPL"); |