Commit | Line | Data |
---|---|---|
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, | |
35644b0c | 1620 | const struct usb_device_id *id) |
b72458a8 | 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 | ||
0dfcd3e4 | 1632 | usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT); |
b72458a8 | 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", | |
b72458a8 | 1704 | .bind = uea_bind, |
1705 | .atm_start = uea_atm_open, | |
1706 | .unbind = uea_unbind, | |
1707 | .heavy_init = uea_heavy, | |
80aae7a1 DS |
1708 | .bulk_in = UEA_BULK_DATA_PIPE, |
1709 | .bulk_out = UEA_BULK_DATA_PIPE, | |
b72458a8 | 1710 | }; |
1711 | ||
1712 | static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
1713 | { | |
1714 | struct usb_device *usb = interface_to_usbdev(intf); | |
1715 | ||
1716 | uea_enters(usb); | |
1717 | uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) : %s\n", | |
1718 | le16_to_cpu(usb->descriptor.idVendor), | |
1719 | le16_to_cpu(usb->descriptor.idProduct), | |
1720 | chip_name[UEA_CHIP_VERSION(id)]); | |
1721 | ||
1722 | usb_reset_device(usb); | |
1723 | ||
1724 | if (UEA_IS_PREFIRM(id)) | |
1725 | return uea_load_firmware(usb, UEA_CHIP_VERSION(id)); | |
1726 | ||
1727 | return usbatm_usb_probe(intf, id, &uea_usbatm_driver); | |
1728 | } | |
1729 | ||
1730 | static void uea_disconnect(struct usb_interface *intf) | |
1731 | { | |
1732 | struct usb_device *usb = interface_to_usbdev(intf); | |
1733 | int ifnum = intf->altsetting->desc.bInterfaceNumber; | |
1734 | uea_enters(usb); | |
1735 | ||
1736 | /* ADI930 has 2 interfaces and eagle 3 interfaces. | |
1737 | * Pre-firmware device has one interface | |
1738 | */ | |
1739 | if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) { | |
1740 | down(&uea_semaphore); | |
1741 | usbatm_usb_disconnect(intf); | |
1742 | up(&uea_semaphore); | |
1743 | uea_info(usb, "ADSL device removed\n"); | |
1744 | } | |
1745 | ||
1746 | uea_leaves(usb); | |
1747 | } | |
1748 | ||
1749 | /* | |
1750 | * List of supported VID/PID | |
1751 | */ | |
1752 | static const struct usb_device_id uea_ids[] = { | |
1753 | {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), .driver_info = ADI930 | PREFIRM}, | |
1754 | {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), .driver_info = ADI930 | PSTFIRM}, | |
1755 | {USB_DEVICE(EAGLE_VID, EAGLE_I_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, | |
1756 | {USB_DEVICE(EAGLE_VID, EAGLE_I_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, | |
1757 | {USB_DEVICE(EAGLE_VID, EAGLE_II_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM}, | |
1758 | {USB_DEVICE(EAGLE_VID, EAGLE_II_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM}, | |
1759 | {USB_DEVICE(EAGLE_VID, EAGLE_IIC_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM}, | |
1760 | {USB_DEVICE(EAGLE_VID, EAGLE_IIC_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM}, | |
1761 | {USB_DEVICE(EAGLE_VID, EAGLE_III_PID_PREFIRM), .driver_info = EAGLE_III | PREFIRM}, | |
1762 | {USB_DEVICE(EAGLE_VID, EAGLE_III_PID_PSTFIRM), .driver_info = EAGLE_III | PSTFIRM}, | |
1763 | {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, | |
1764 | {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, | |
1765 | {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, | |
1766 | {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, | |
1767 | {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM}, | |
1768 | {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM}, | |
1769 | {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM}, | |
1770 | {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM}, | |
1771 | {} | |
1772 | }; | |
1773 | ||
1774 | /* | |
1775 | * USB driver descriptor | |
1776 | */ | |
1777 | static struct usb_driver uea_driver = { | |
b72458a8 | 1778 | .name = "ueagle-atm", |
1779 | .id_table = uea_ids, | |
1780 | .probe = uea_probe, | |
1781 | .disconnect = uea_disconnect, | |
1782 | }; | |
1783 | ||
1784 | MODULE_DEVICE_TABLE(usb, uea_ids); | |
1785 | ||
1786 | /** | |
1787 | * uea_init - Initialize the module. | |
1788 | * Register to USB subsystem | |
1789 | */ | |
1790 | static int __init uea_init(void) | |
1791 | { | |
1792 | printk(KERN_INFO "[ueagle-atm] driver " EAGLEUSBVERSION " loaded\n"); | |
1793 | ||
1794 | usb_register(&uea_driver); | |
1795 | ||
1796 | return 0; | |
1797 | } | |
1798 | ||
1799 | module_init(uea_init); | |
1800 | ||
1801 | /** | |
1802 | * uea_exit - Destroy module | |
1803 | * Deregister with USB subsystem | |
1804 | */ | |
1805 | static void __exit uea_exit(void) | |
1806 | { | |
1807 | /* | |
1808 | * This calls automatically the uea_disconnect method if necessary: | |
1809 | */ | |
1810 | usb_deregister(&uea_driver); | |
1811 | ||
1812 | printk(KERN_INFO "[ueagle-atm] driver unloaded\n"); | |
1813 | } | |
1814 | ||
1815 | module_exit(uea_exit); | |
1816 | ||
1817 | MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); | |
1818 | MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); | |
1819 | MODULE_LICENSE("Dual BSD/GPL"); |