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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> | |
5371f80a | 64 | #include <linux/sched.h> |
b72458a8 | 65 | #include <linux/kthread.h> |
66 | #include <linux/version.h> | |
ab3c81ff | 67 | #include <linux/mutex.h> |
7dfb7103 NC |
68 | #include <linux/freezer.h> |
69 | ||
b72458a8 | 70 | #include <asm/unaligned.h> |
71 | ||
72 | #include "usbatm.h" | |
73 | ||
a7a0c9cd | 74 | #define EAGLEUSBVERSION "ueagle 1.4" |
b72458a8 | 75 | |
76 | ||
77 | /* | |
78 | * Debug macros | |
79 | */ | |
80 | #define uea_dbg(usb_dev, format, args...) \ | |
81 | do { \ | |
82 | if (debug >= 1) \ | |
83 | dev_dbg(&(usb_dev)->dev, \ | |
84 | "[ueagle-atm dbg] %s: " format, \ | |
85 | __FUNCTION__, ##args); \ | |
a7a0c9cd | 86 | } while (0) |
b72458a8 | 87 | |
88 | #define uea_vdbg(usb_dev, format, args...) \ | |
89 | do { \ | |
90 | if (debug >= 2) \ | |
91 | dev_dbg(&(usb_dev)->dev, \ | |
92 | "[ueagle-atm vdbg] " format, ##args); \ | |
a7a0c9cd | 93 | } while (0) |
b72458a8 | 94 | |
95 | #define uea_enters(usb_dev) \ | |
96 | uea_vdbg(usb_dev, "entering %s\n", __FUNCTION__) | |
97 | ||
98 | #define uea_leaves(usb_dev) \ | |
99 | uea_vdbg(usb_dev, "leaving %s\n", __FUNCTION__) | |
100 | ||
101 | #define uea_err(usb_dev, format,args...) \ | |
102 | dev_err(&(usb_dev)->dev ,"[UEAGLE-ATM] " format , ##args) | |
103 | ||
104 | #define uea_warn(usb_dev, format,args...) \ | |
105 | dev_warn(&(usb_dev)->dev ,"[Ueagle-atm] " format, ##args) | |
106 | ||
107 | #define uea_info(usb_dev, format,args...) \ | |
108 | dev_info(&(usb_dev)->dev ,"[ueagle-atm] " format, ##args) | |
109 | ||
110 | struct uea_cmvs { | |
111 | u32 address; | |
112 | u16 offset; | |
113 | u32 data; | |
114 | } __attribute__ ((packed)); | |
115 | ||
116 | struct uea_softc { | |
117 | struct usb_device *usb_dev; | |
118 | struct usbatm_data *usbatm; | |
119 | ||
120 | int modem_index; | |
121 | unsigned int driver_info; | |
122 | ||
123 | int booting; | |
124 | int reset; | |
125 | ||
126 | wait_queue_head_t sync_q; | |
127 | ||
128 | struct task_struct *kthread; | |
129 | u32 data; | |
130 | wait_queue_head_t cmv_ack_wait; | |
131 | int cmv_ack; | |
132 | ||
133 | struct work_struct task; | |
134 | u16 pageno; | |
135 | u16 ovl; | |
136 | ||
137 | const struct firmware *dsp_firm; | |
138 | struct urb *urb_int; | |
139 | ||
140 | u8 cmv_function; | |
141 | u16 cmv_idx; | |
142 | u32 cmv_address; | |
143 | u16 cmv_offset; | |
144 | ||
145 | /* keep in sync with eaglectl */ | |
146 | struct uea_stats { | |
147 | struct { | |
148 | u32 state; | |
149 | u32 flags; | |
150 | u32 mflags; | |
151 | u32 vidcpe; | |
152 | u32 vidco; | |
153 | u32 dsrate; | |
154 | u32 usrate; | |
155 | u32 dsunc; | |
156 | u32 usunc; | |
157 | u32 dscorr; | |
158 | u32 uscorr; | |
159 | u32 txflow; | |
160 | u32 rxflow; | |
161 | u32 usattenuation; | |
162 | u32 dsattenuation; | |
163 | u32 dsmargin; | |
164 | u32 usmargin; | |
165 | u32 firmid; | |
166 | } phy; | |
167 | } stats; | |
168 | }; | |
169 | ||
170 | /* | |
171 | * Elsa IDs | |
172 | */ | |
173 | #define ELSA_VID 0x05CC | |
174 | #define ELSA_PID_PSTFIRM 0x3350 | |
175 | #define ELSA_PID_PREFIRM 0x3351 | |
176 | ||
177 | /* | |
178 | * Sagem USB IDs | |
179 | */ | |
180 | #define EAGLE_VID 0x1110 | |
181 | #define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */ | |
182 | #define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */ | |
183 | ||
184 | #define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */ | |
185 | #define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */ | |
186 | ||
187 | #define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */ | |
188 | #define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */ | |
189 | ||
190 | /* | |
191 | * Eagle III Pid | |
192 | */ | |
193 | #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */ | |
194 | #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */ | |
195 | ||
196 | /* | |
197 | * USR USB IDs | |
198 | */ | |
199 | #define USR_VID 0x0BAF | |
200 | #define MILLER_A_PID_PREFIRM 0x00F2 | |
201 | #define MILLER_A_PID_PSTFIRM 0x00F1 | |
202 | #define MILLER_B_PID_PREFIRM 0x00FA | |
203 | #define MILLER_B_PID_PSTFIRM 0x00F9 | |
204 | #define HEINEKEN_A_PID_PREFIRM 0x00F6 | |
205 | #define HEINEKEN_A_PID_PSTFIRM 0x00F5 | |
206 | #define HEINEKEN_B_PID_PREFIRM 0x00F8 | |
207 | #define HEINEKEN_B_PID_PSTFIRM 0x00F7 | |
208 | ||
209 | #define PREFIRM 0 | |
210 | #define PSTFIRM (1<<7) | |
211 | enum { | |
212 | ADI930 = 0, | |
213 | EAGLE_I, | |
214 | EAGLE_II, | |
215 | EAGLE_III | |
216 | }; | |
217 | ||
218 | /* macros for both struct usb_device_id and struct uea_softc */ | |
219 | #define UEA_IS_PREFIRM(x) \ | |
220 | (!((x)->driver_info & PSTFIRM)) | |
221 | #define UEA_CHIP_VERSION(x) \ | |
222 | ((x)->driver_info & 0xf) | |
223 | ||
a7a0c9cd | 224 | #define IS_ISDN(usb_dev) \ |
225 | (le16_to_cpu((usb_dev)->descriptor.bcdDevice) & 0x80) | |
b72458a8 | 226 | |
227 | #define INS_TO_USBDEV(ins) ins->usb_dev | |
228 | ||
229 | #define GET_STATUS(data) \ | |
230 | ((data >> 8) & 0xf) | |
231 | #define IS_OPERATIONAL(sc) \ | |
232 | (GET_STATUS(sc->stats.phy.state) == 2) | |
233 | ||
234 | /* | |
235 | * Set of macros to handle unaligned data in the firmware blob. | |
236 | * The FW_GET_BYTE() macro is provided only for consistency. | |
237 | */ | |
238 | ||
239 | #define FW_GET_BYTE(p) *((__u8 *) (p)) | |
240 | #define FW_GET_WORD(p) le16_to_cpu(get_unaligned((__le16 *) (p))) | |
241 | #define FW_GET_LONG(p) le32_to_cpu(get_unaligned((__le32 *) (p))) | |
242 | ||
243 | #define FW_DIR "ueagle-atm/" | |
244 | #define NB_MODEM 4 | |
245 | ||
246 | #define BULK_TIMEOUT 300 | |
247 | #define CTRL_TIMEOUT 1000 | |
248 | ||
22fcceb5 | 249 | #define ACK_TIMEOUT msecs_to_jiffies(3000) |
b72458a8 | 250 | |
251 | #define UEA_INTR_IFACE_NO 0 | |
252 | #define UEA_US_IFACE_NO 1 | |
253 | #define UEA_DS_IFACE_NO 2 | |
254 | ||
255 | #define FASTEST_ISO_INTF 8 | |
256 | ||
257 | #define UEA_BULK_DATA_PIPE 0x02 | |
258 | #define UEA_IDMA_PIPE 0x04 | |
259 | #define UEA_INTR_PIPE 0x04 | |
260 | #define UEA_ISO_DATA_PIPE 0x08 | |
261 | ||
262 | #define UEA_SET_BLOCK 0x0001 | |
263 | #define UEA_SET_MODE 0x0003 | |
264 | #define UEA_SET_2183_DATA 0x0004 | |
265 | #define UEA_SET_TIMEOUT 0x0011 | |
266 | ||
267 | #define UEA_LOOPBACK_OFF 0x0002 | |
268 | #define UEA_LOOPBACK_ON 0x0003 | |
269 | #define UEA_BOOT_IDMA 0x0006 | |
270 | #define UEA_START_RESET 0x0007 | |
271 | #define UEA_END_RESET 0x0008 | |
272 | ||
273 | #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000) | |
274 | #define UEA_MPTX_START (0x3fce | 0x4000) | |
275 | #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000) | |
276 | #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000) | |
277 | ||
278 | /* structure describing a block within a DSP page */ | |
279 | struct block_info { | |
280 | __le16 wHdr; | |
281 | #define UEA_BIHDR 0xabcd | |
282 | __le16 wAddress; | |
283 | __le16 wSize; | |
284 | __le16 wOvlOffset; | |
285 | __le16 wOvl; /* overlay */ | |
286 | __le16 wLast; | |
287 | } __attribute__ ((packed)); | |
288 | #define BLOCK_INFO_SIZE 12 | |
289 | ||
290 | /* structure representing a CMV (Configuration and Management Variable) */ | |
291 | struct cmv { | |
292 | __le16 wPreamble; | |
293 | #define PREAMBLE 0x535c | |
294 | __u8 bDirection; | |
295 | #define MODEMTOHOST 0x01 | |
296 | #define HOSTTOMODEM 0x10 | |
297 | __u8 bFunction; | |
298 | #define FUNCTION_TYPE(f) ((f) >> 4) | |
299 | #define MEMACCESS 0x1 | |
300 | #define ADSLDIRECTIVE 0x7 | |
301 | ||
302 | #define FUNCTION_SUBTYPE(f) ((f) & 0x0f) | |
303 | /* for MEMACCESS */ | |
304 | #define REQUESTREAD 0x0 | |
305 | #define REQUESTWRITE 0x1 | |
306 | #define REPLYREAD 0x2 | |
307 | #define REPLYWRITE 0x3 | |
308 | /* for ADSLDIRECTIVE */ | |
309 | #define KERNELREADY 0x0 | |
310 | #define MODEMREADY 0x1 | |
311 | ||
312 | #define MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf)) | |
313 | __le16 wIndex; | |
314 | __le32 dwSymbolicAddress; | |
315 | #define MAKESA(a, b, c, d) \ | |
316 | (((c) & 0xff) << 24 | \ | |
317 | ((d) & 0xff) << 16 | \ | |
318 | ((a) & 0xff) << 8 | \ | |
319 | ((b) & 0xff)) | |
2a99b507 | 320 | #define GETSA1(a) ((a >> 8) & 0xff) |
321 | #define GETSA2(a) (a & 0xff) | |
322 | #define GETSA3(a) ((a >> 24) & 0xff) | |
323 | #define GETSA4(a) ((a >> 16) & 0xff) | |
b72458a8 | 324 | |
325 | #define SA_CNTL MAKESA('C', 'N', 'T', 'L') | |
326 | #define SA_DIAG MAKESA('D', 'I', 'A', 'G') | |
327 | #define SA_INFO MAKESA('I', 'N', 'F', 'O') | |
328 | #define SA_OPTN MAKESA('O', 'P', 'T', 'N') | |
329 | #define SA_RATE MAKESA('R', 'A', 'T', 'E') | |
330 | #define SA_STAT MAKESA('S', 'T', 'A', 'T') | |
331 | __le16 wOffsetAddress; | |
332 | __le32 dwData; | |
333 | } __attribute__ ((packed)); | |
334 | #define CMV_SIZE 16 | |
335 | ||
336 | /* structure representing swap information */ | |
337 | struct swap_info { | |
338 | __u8 bSwapPageNo; | |
339 | __u8 bOvl; /* overlay */ | |
340 | } __attribute__ ((packed)); | |
341 | ||
342 | /* structure representing interrupt data */ | |
343 | struct intr_pkt { | |
344 | __u8 bType; | |
345 | __u8 bNotification; | |
346 | __le16 wValue; | |
347 | __le16 wIndex; | |
348 | __le16 wLength; | |
349 | __le16 wInterrupt; | |
350 | #define INT_LOADSWAPPAGE 0x0001 | |
351 | #define INT_INCOMINGCMV 0x0002 | |
352 | union { | |
353 | struct { | |
354 | struct swap_info swapinfo; | |
355 | __le16 wDataSize; | |
356 | } __attribute__ ((packed)) s1; | |
357 | ||
358 | struct { | |
359 | struct cmv cmv; | |
360 | __le16 wDataSize; | |
361 | } __attribute__ ((packed)) s2; | |
362 | } __attribute__ ((packed)) u; | |
363 | #define bSwapPageNo u.s1.swapinfo.bSwapPageNo | |
364 | #define bOvl u.s1.swapinfo.bOvl | |
365 | } __attribute__ ((packed)); | |
366 | #define INTR_PKT_SIZE 28 | |
367 | ||
368 | static struct usb_driver uea_driver; | |
ab3c81ff | 369 | static DEFINE_MUTEX(uea_mutex); |
b72458a8 | 370 | static const char *chip_name[] = {"ADI930", "Eagle I", "Eagle II", "Eagle III"}; |
371 | ||
372 | static int modem_index; | |
373 | static unsigned int debug; | |
3c9666cc | 374 | static int use_iso[NB_MODEM] = {[0 ... (NB_MODEM - 1)] = 1}; |
b72458a8 | 375 | static int sync_wait[NB_MODEM]; |
376 | static char *cmv_file[NB_MODEM]; | |
377 | ||
378 | module_param(debug, uint, 0644); | |
379 | MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)"); | |
3c9666cc | 380 | module_param_array(use_iso, bool, NULL, 0644); |
381 | MODULE_PARM_DESC(use_iso, "use isochronous usb pipe for incoming traffic"); | |
b72458a8 | 382 | module_param_array(sync_wait, bool, NULL, 0644); |
383 | MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM"); | |
384 | module_param_array(cmv_file, charp, NULL, 0644); | |
385 | MODULE_PARM_DESC(cmv_file, | |
386 | "file name with configuration and management variables"); | |
387 | ||
388 | #define UPDATE_ATM_STAT(type, val) \ | |
389 | do { \ | |
390 | if (sc->usbatm->atm_dev) \ | |
391 | sc->usbatm->atm_dev->type = val; \ | |
392 | } while (0) | |
393 | ||
394 | /* Firmware loading */ | |
395 | #define LOAD_INTERNAL 0xA0 | |
396 | #define F8051_USBCS 0x7f92 | |
397 | ||
398 | /** | |
399 | * uea_send_modem_cmd - Send a command for pre-firmware devices. | |
400 | */ | |
401 | static int uea_send_modem_cmd(struct usb_device *usb, | |
402 | u16 addr, u16 size, u8 * buff) | |
403 | { | |
404 | int ret = -ENOMEM; | |
405 | u8 *xfer_buff; | |
406 | ||
5d7efe5b | 407 | xfer_buff = kmemdup(buff, size, GFP_KERNEL); |
b72458a8 | 408 | if (xfer_buff) { |
b72458a8 | 409 | ret = usb_control_msg(usb, |
410 | usb_sndctrlpipe(usb, 0), | |
411 | LOAD_INTERNAL, | |
412 | USB_DIR_OUT | USB_TYPE_VENDOR | | |
413 | USB_RECIP_DEVICE, addr, 0, xfer_buff, | |
414 | size, CTRL_TIMEOUT); | |
415 | kfree(xfer_buff); | |
416 | } | |
417 | ||
418 | if (ret < 0) | |
419 | return ret; | |
420 | ||
421 | return (ret == size) ? 0 : -EIO; | |
422 | } | |
423 | ||
424 | static void uea_upload_pre_firmware(const struct firmware *fw_entry, void *context) | |
425 | { | |
426 | struct usb_device *usb = context; | |
427 | u8 *pfw, value; | |
428 | u32 crc = 0; | |
429 | int ret, size; | |
430 | ||
431 | uea_enters(usb); | |
432 | if (!fw_entry) { | |
433 | uea_err(usb, "firmware is not available\n"); | |
434 | goto err; | |
435 | } | |
436 | ||
437 | pfw = fw_entry->data; | |
438 | size = fw_entry->size; | |
8d7802ed | 439 | if (size < 4) |
440 | goto err_fw_corrupted; | |
b72458a8 | 441 | |
442 | crc = FW_GET_LONG(pfw); | |
443 | pfw += 4; | |
444 | size -= 4; | |
8d7802ed | 445 | if (crc32_be(0, pfw, size) != crc) |
446 | goto err_fw_corrupted; | |
b72458a8 | 447 | |
448 | /* | |
449 | * Start to upload formware : send reset | |
450 | */ | |
451 | value = 1; | |
452 | ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value); | |
453 | ||
454 | if (ret < 0) { | |
455 | uea_err(usb, "modem reset failed with error %d\n", ret); | |
456 | goto err; | |
457 | } | |
458 | ||
8d7802ed | 459 | while (size > 3) { |
b72458a8 | 460 | u8 len = FW_GET_BYTE(pfw); |
461 | u16 add = FW_GET_WORD(pfw + 1); | |
8d7802ed | 462 | |
463 | size -= len + 3; | |
464 | if (size < 0) | |
465 | goto err_fw_corrupted; | |
466 | ||
b72458a8 | 467 | ret = uea_send_modem_cmd(usb, add, len, pfw + 3); |
468 | if (ret < 0) { | |
469 | uea_err(usb, "uploading firmware data failed " | |
470 | "with error %d\n", ret); | |
471 | goto err; | |
472 | } | |
473 | pfw += len + 3; | |
b72458a8 | 474 | } |
475 | ||
8d7802ed | 476 | if (size != 0) |
477 | goto err_fw_corrupted; | |
478 | ||
b72458a8 | 479 | /* |
480 | * Tell the modem we finish : de-assert reset | |
481 | */ | |
482 | value = 0; | |
483 | ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value); | |
484 | if (ret < 0) | |
485 | uea_err(usb, "modem de-assert failed with error %d\n", ret); | |
486 | else | |
487 | uea_info(usb, "firmware uploaded\n"); | |
488 | ||
8d7802ed | 489 | uea_leaves(usb); |
490 | return; | |
491 | ||
492 | err_fw_corrupted: | |
493 | uea_err(usb, "firmware is corrupted\n"); | |
b72458a8 | 494 | err: |
495 | uea_leaves(usb); | |
496 | } | |
497 | ||
498 | /** | |
499 | * uea_load_firmware - Load usb firmware for pre-firmware devices. | |
500 | */ | |
501 | static int uea_load_firmware(struct usb_device *usb, unsigned int ver) | |
502 | { | |
503 | int ret; | |
504 | char *fw_name = FW_DIR "eagle.fw"; | |
505 | ||
506 | uea_enters(usb); | |
507 | uea_info(usb, "pre-firmware device, uploading firmware\n"); | |
508 | ||
509 | switch (ver) { | |
510 | case ADI930: | |
511 | fw_name = FW_DIR "adi930.fw"; | |
512 | break; | |
513 | case EAGLE_I: | |
514 | fw_name = FW_DIR "eagleI.fw"; | |
515 | break; | |
516 | case EAGLE_II: | |
517 | fw_name = FW_DIR "eagleII.fw"; | |
518 | break; | |
519 | case EAGLE_III: | |
520 | fw_name = FW_DIR "eagleIII.fw"; | |
521 | break; | |
522 | } | |
523 | ||
524 | ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, usb, uea_upload_pre_firmware); | |
525 | if (ret) | |
526 | uea_err(usb, "firmware %s is not available\n", fw_name); | |
527 | else | |
528 | uea_info(usb, "loading firmware %s\n", fw_name); | |
529 | ||
530 | uea_leaves(usb); | |
531 | return ret; | |
532 | } | |
533 | ||
534 | /* modem management : dsp firmware, send/read CMV, monitoring statistic | |
535 | */ | |
536 | ||
537 | /* | |
538 | * Make sure that the DSP code provided is safe to use. | |
539 | */ | |
540 | static int check_dsp(u8 *dsp, unsigned int len) | |
541 | { | |
542 | u8 pagecount, blockcount; | |
543 | u16 blocksize; | |
544 | u32 pageoffset; | |
545 | unsigned int i, j, p, pp; | |
546 | ||
b72458a8 | 547 | pagecount = FW_GET_BYTE(dsp); |
548 | p = 1; | |
549 | ||
550 | /* enough space for page offsets? */ | |
551 | if (p + 4 * pagecount > len) | |
552 | return 1; | |
553 | ||
554 | for (i = 0; i < pagecount; i++) { | |
555 | ||
556 | pageoffset = FW_GET_LONG(dsp + p); | |
557 | p += 4; | |
558 | ||
559 | if (pageoffset == 0) | |
560 | continue; | |
561 | ||
562 | /* enough space for blockcount? */ | |
563 | if (pageoffset >= len) | |
564 | return 1; | |
565 | ||
566 | pp = pageoffset; | |
567 | blockcount = FW_GET_BYTE(dsp + pp); | |
568 | pp += 1; | |
569 | ||
570 | for (j = 0; j < blockcount; j++) { | |
571 | ||
572 | /* enough space for block header? */ | |
573 | if (pp + 4 > len) | |
574 | return 1; | |
575 | ||
576 | pp += 2; /* skip blockaddr */ | |
577 | blocksize = FW_GET_WORD(dsp + pp); | |
578 | pp += 2; | |
579 | ||
580 | /* enough space for block data? */ | |
581 | if (pp + blocksize > len) | |
582 | return 1; | |
583 | ||
584 | pp += blocksize; | |
585 | } | |
586 | } | |
587 | ||
588 | return 0; | |
589 | } | |
590 | ||
591 | /* | |
592 | * send data to the idma pipe | |
593 | * */ | |
594 | static int uea_idma_write(struct uea_softc *sc, void *data, u32 size) | |
595 | { | |
596 | int ret = -ENOMEM; | |
597 | u8 *xfer_buff; | |
598 | int bytes_read; | |
599 | ||
5d7efe5b | 600 | xfer_buff = kmemdup(data, size, GFP_KERNEL); |
b72458a8 | 601 | if (!xfer_buff) { |
602 | uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); | |
603 | return ret; | |
604 | } | |
605 | ||
b72458a8 | 606 | ret = usb_bulk_msg(sc->usb_dev, |
607 | usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE), | |
608 | xfer_buff, size, &bytes_read, BULK_TIMEOUT); | |
609 | ||
610 | kfree(xfer_buff); | |
611 | if (ret < 0) | |
612 | return ret; | |
613 | if (size != bytes_read) { | |
614 | uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size, | |
615 | bytes_read); | |
616 | return -EIO; | |
617 | } | |
618 | ||
619 | return 0; | |
620 | } | |
621 | ||
622 | static int request_dsp(struct uea_softc *sc) | |
623 | { | |
624 | int ret; | |
625 | char *dsp_name; | |
626 | ||
627 | if (UEA_CHIP_VERSION(sc) == ADI930) { | |
a7a0c9cd | 628 | if (IS_ISDN(sc->usb_dev)) |
b72458a8 | 629 | dsp_name = FW_DIR "DSP9i.bin"; |
630 | else | |
631 | dsp_name = FW_DIR "DSP9p.bin"; | |
632 | } else { | |
a7a0c9cd | 633 | if (IS_ISDN(sc->usb_dev)) |
b72458a8 | 634 | dsp_name = FW_DIR "DSPei.bin"; |
635 | else | |
636 | dsp_name = FW_DIR "DSPep.bin"; | |
637 | } | |
638 | ||
e40abaf6 | 639 | ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev); |
b72458a8 | 640 | if (ret < 0) { |
641 | uea_err(INS_TO_USBDEV(sc), | |
642 | "requesting firmware %s failed with error %d\n", | |
643 | dsp_name, ret); | |
644 | return ret; | |
645 | } | |
646 | ||
647 | if (check_dsp(sc->dsp_firm->data, sc->dsp_firm->size)) { | |
648 | uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", | |
649 | dsp_name); | |
650 | release_firmware(sc->dsp_firm); | |
651 | sc->dsp_firm = NULL; | |
652 | return -EILSEQ; | |
653 | } | |
654 | ||
655 | return 0; | |
656 | } | |
657 | ||
658 | /* | |
659 | * The uea_load_page() function must be called within a process context | |
660 | */ | |
c4028958 | 661 | static void uea_load_page(struct work_struct *work) |
b72458a8 | 662 | { |
c4028958 | 663 | struct uea_softc *sc = container_of(work, struct uea_softc, task); |
b72458a8 | 664 | u16 pageno = sc->pageno; |
665 | u16 ovl = sc->ovl; | |
666 | struct block_info bi; | |
667 | ||
668 | u8 *p; | |
669 | u8 pagecount, blockcount; | |
670 | u16 blockaddr, blocksize; | |
671 | u32 pageoffset; | |
672 | int i; | |
673 | ||
674 | /* reload firmware when reboot start and it's loaded already */ | |
675 | if (ovl == 0 && pageno == 0 && sc->dsp_firm) { | |
676 | release_firmware(sc->dsp_firm); | |
677 | sc->dsp_firm = NULL; | |
678 | } | |
679 | ||
680 | if (sc->dsp_firm == NULL && request_dsp(sc) < 0) | |
681 | return; | |
682 | ||
683 | p = sc->dsp_firm->data; | |
684 | pagecount = FW_GET_BYTE(p); | |
685 | p += 1; | |
686 | ||
687 | if (pageno >= pagecount) | |
688 | goto bad1; | |
689 | ||
690 | p += 4 * pageno; | |
691 | pageoffset = FW_GET_LONG(p); | |
692 | ||
693 | if (pageoffset == 0) | |
694 | goto bad1; | |
695 | ||
696 | p = sc->dsp_firm->data + pageoffset; | |
697 | blockcount = FW_GET_BYTE(p); | |
698 | p += 1; | |
699 | ||
700 | uea_dbg(INS_TO_USBDEV(sc), | |
701 | "sending %u blocks for DSP page %u\n", blockcount, pageno); | |
702 | ||
703 | bi.wHdr = cpu_to_le16(UEA_BIHDR); | |
704 | bi.wOvl = cpu_to_le16(ovl); | |
705 | bi.wOvlOffset = cpu_to_le16(ovl | 0x8000); | |
706 | ||
707 | for (i = 0; i < blockcount; i++) { | |
708 | blockaddr = FW_GET_WORD(p); | |
709 | p += 2; | |
710 | ||
711 | blocksize = FW_GET_WORD(p); | |
712 | p += 2; | |
713 | ||
714 | bi.wSize = cpu_to_le16(blocksize); | |
715 | bi.wAddress = cpu_to_le16(blockaddr); | |
716 | bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0); | |
717 | ||
718 | /* send block info through the IDMA pipe */ | |
719 | if (uea_idma_write(sc, &bi, BLOCK_INFO_SIZE)) | |
720 | goto bad2; | |
721 | ||
722 | /* send block data through the IDMA pipe */ | |
723 | if (uea_idma_write(sc, p, blocksize)) | |
724 | goto bad2; | |
725 | ||
726 | p += blocksize; | |
727 | } | |
728 | ||
729 | return; | |
730 | ||
731 | bad2: | |
732 | uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i); | |
733 | return; | |
734 | bad1: | |
2a99b507 | 735 | uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno); |
b72458a8 | 736 | } |
737 | ||
738 | static inline void wake_up_cmv_ack(struct uea_softc *sc) | |
739 | { | |
2a99b507 | 740 | BUG_ON(sc->cmv_ack); |
b72458a8 | 741 | sc->cmv_ack = 1; |
742 | wake_up(&sc->cmv_ack_wait); | |
743 | } | |
744 | ||
745 | static inline int wait_cmv_ack(struct uea_softc *sc) | |
746 | { | |
531a39bb | 747 | int ret = wait_event_interruptible_timeout(sc->cmv_ack_wait, |
b72458a8 | 748 | sc->cmv_ack, ACK_TIMEOUT); |
749 | sc->cmv_ack = 0; | |
750 | ||
2a99b507 | 751 | uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n", |
752 | jiffies_to_msecs(ret)); | |
753 | ||
b72458a8 | 754 | if (ret < 0) |
755 | return ret; | |
756 | ||
757 | return (ret == 0) ? -ETIMEDOUT : 0; | |
b72458a8 | 758 | } |
759 | ||
760 | #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00 | |
761 | ||
762 | static int uea_request(struct uea_softc *sc, | |
763 | u16 value, u16 index, u16 size, void *data) | |
764 | { | |
765 | u8 *xfer_buff; | |
766 | int ret = -ENOMEM; | |
767 | ||
5d7efe5b | 768 | xfer_buff = kmemdup(data, size, GFP_KERNEL); |
b72458a8 | 769 | if (!xfer_buff) { |
770 | uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n"); | |
771 | return ret; | |
772 | } | |
b72458a8 | 773 | |
774 | ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0), | |
775 | UCDC_SEND_ENCAPSULATED_COMMAND, | |
776 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
777 | value, index, xfer_buff, size, CTRL_TIMEOUT); | |
778 | ||
779 | kfree(xfer_buff); | |
780 | if (ret < 0) { | |
781 | uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret); | |
782 | return ret; | |
783 | } | |
784 | ||
785 | if (ret != size) { | |
786 | uea_err(INS_TO_USBDEV(sc), | |
787 | "usb_control_msg send only %d bytes (instead of %d)\n", | |
788 | ret, size); | |
789 | return -EIO; | |
790 | } | |
791 | ||
792 | return 0; | |
793 | } | |
794 | ||
795 | static int uea_cmv(struct uea_softc *sc, | |
796 | u8 function, u32 address, u16 offset, u32 data) | |
797 | { | |
798 | struct cmv cmv; | |
799 | int ret; | |
800 | ||
2a99b507 | 801 | uea_enters(INS_TO_USBDEV(sc)); |
802 | uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, " | |
803 | "offset : 0x%04x, data : 0x%08x\n", | |
804 | FUNCTION_TYPE(function), FUNCTION_SUBTYPE(function), | |
805 | GETSA1(address), GETSA2(address), GETSA3(address), | |
806 | GETSA4(address), offset, data); | |
b72458a8 | 807 | /* we send a request, but we expect a reply */ |
808 | sc->cmv_function = function | 0x2; | |
809 | sc->cmv_idx++; | |
810 | sc->cmv_address = address; | |
811 | sc->cmv_offset = offset; | |
812 | ||
813 | cmv.wPreamble = cpu_to_le16(PREAMBLE); | |
814 | cmv.bDirection = HOSTTOMODEM; | |
815 | cmv.bFunction = function; | |
816 | cmv.wIndex = cpu_to_le16(sc->cmv_idx); | |
817 | put_unaligned(cpu_to_le32(address), &cmv.dwSymbolicAddress); | |
818 | cmv.wOffsetAddress = cpu_to_le16(offset); | |
819 | put_unaligned(cpu_to_le32(data >> 16 | data << 16), &cmv.dwData); | |
820 | ||
821 | ret = uea_request(sc, UEA_SET_BLOCK, UEA_MPTX_START, CMV_SIZE, &cmv); | |
822 | if (ret < 0) | |
823 | return ret; | |
2a99b507 | 824 | ret = wait_cmv_ack(sc); |
825 | uea_leaves(INS_TO_USBDEV(sc)); | |
826 | return ret; | |
b72458a8 | 827 | } |
828 | ||
829 | static inline int uea_read_cmv(struct uea_softc *sc, | |
830 | u32 address, u16 offset, u32 *data) | |
831 | { | |
832 | int ret = uea_cmv(sc, MAKEFUNCTION(MEMACCESS, REQUESTREAD), | |
833 | address, offset, 0); | |
834 | if (ret < 0) | |
835 | uea_err(INS_TO_USBDEV(sc), | |
836 | "reading cmv failed with error %d\n", ret); | |
837 | else | |
838 | *data = sc->data; | |
839 | ||
840 | return ret; | |
841 | } | |
842 | ||
843 | static inline int uea_write_cmv(struct uea_softc *sc, | |
844 | u32 address, u16 offset, u32 data) | |
845 | { | |
846 | int ret = uea_cmv(sc, MAKEFUNCTION(MEMACCESS, REQUESTWRITE), | |
847 | address, offset, data); | |
848 | if (ret < 0) | |
849 | uea_err(INS_TO_USBDEV(sc), | |
850 | "writing cmv failed with error %d\n", ret); | |
851 | ||
852 | return ret; | |
853 | } | |
854 | ||
855 | /* | |
856 | * Monitor the modem and update the stat | |
857 | * return 0 if everything is ok | |
858 | * return < 0 if an error occurs (-EAGAIN reboot needed) | |
859 | */ | |
860 | static int uea_stat(struct uea_softc *sc) | |
861 | { | |
862 | u32 data; | |
863 | int ret; | |
864 | ||
865 | uea_enters(INS_TO_USBDEV(sc)); | |
866 | data = sc->stats.phy.state; | |
867 | ||
868 | ret = uea_read_cmv(sc, SA_STAT, 0, &sc->stats.phy.state); | |
869 | if (ret < 0) | |
870 | return ret; | |
871 | ||
872 | switch (GET_STATUS(sc->stats.phy.state)) { | |
873 | case 0: /* not yet synchronized */ | |
874 | uea_dbg(INS_TO_USBDEV(sc), | |
875 | "modem not yet synchronized\n"); | |
876 | return 0; | |
877 | ||
878 | case 1: /* initialization */ | |
879 | uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n"); | |
880 | return 0; | |
881 | ||
882 | case 2: /* operational */ | |
883 | uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n"); | |
884 | break; | |
885 | ||
886 | case 3: /* fail ... */ | |
a7a0c9cd | 887 | uea_info(INS_TO_USBDEV(sc), "modem synchronization failed" |
888 | " (may be try other cmv/dsp)\n"); | |
b72458a8 | 889 | return -EAGAIN; |
890 | ||
891 | case 4 ... 6: /* test state */ | |
892 | uea_warn(INS_TO_USBDEV(sc), | |
893 | "modem in test mode - not supported\n"); | |
894 | return -EAGAIN; | |
895 | ||
896 | case 7: /* fast-retain ... */ | |
897 | uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n"); | |
898 | return 0; | |
899 | default: | |
900 | uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n", | |
901 | GET_STATUS(sc->stats.phy.state)); | |
902 | return -EAGAIN; | |
903 | } | |
904 | ||
905 | if (GET_STATUS(data) != 2) { | |
906 | uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL); | |
907 | uea_info(INS_TO_USBDEV(sc), "modem operational\n"); | |
908 | ||
909 | /* release the dsp firmware as it is not needed until | |
910 | * the next failure | |
911 | */ | |
912 | if (sc->dsp_firm) { | |
913 | release_firmware(sc->dsp_firm); | |
914 | sc->dsp_firm = NULL; | |
915 | } | |
b72458a8 | 916 | } |
917 | ||
918 | /* always update it as atm layer could not be init when we switch to | |
919 | * operational state | |
920 | */ | |
921 | UPDATE_ATM_STAT(signal, ATM_PHY_SIG_FOUND); | |
922 | ||
923 | /* wake up processes waiting for synchronization */ | |
924 | wake_up(&sc->sync_q); | |
925 | ||
926 | ret = uea_read_cmv(sc, SA_DIAG, 2, &sc->stats.phy.flags); | |
927 | if (ret < 0) | |
928 | return ret; | |
929 | sc->stats.phy.mflags |= sc->stats.phy.flags; | |
930 | ||
931 | /* in case of a flags ( for example delineation LOSS (& 0x10)), | |
932 | * we check the status again in order to detect the failure earlier | |
933 | */ | |
934 | if (sc->stats.phy.flags) { | |
2a99b507 | 935 | uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n", |
b72458a8 | 936 | sc->stats.phy.flags); |
937 | return 0; | |
938 | } | |
939 | ||
940 | ret = uea_read_cmv(sc, SA_RATE, 0, &data); | |
941 | if (ret < 0) | |
942 | return ret; | |
943 | ||
944 | /* in bulk mode the modem have problem with high rate | |
945 | * changing internal timing could improve things, but the | |
946 | * value is misterious. | |
947 | * ADI930 don't support it (-EPIPE error). | |
948 | */ | |
949 | if (UEA_CHIP_VERSION(sc) != ADI930 | |
3c9666cc | 950 | && !use_iso[sc->modem_index] |
b72458a8 | 951 | && sc->stats.phy.dsrate != (data >> 16) * 32) { |
952 | /* Original timming from ADI(used in windows driver) | |
953 | * 0x20ffff>>16 * 32 = 32 * 32 = 1Mbits | |
954 | */ | |
955 | u16 timeout = (data <= 0x20ffff) ? 0 : 1; | |
956 | ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL); | |
957 | uea_info(INS_TO_USBDEV(sc), | |
958 | "setting new timeout %d%s\n", timeout, | |
959 | ret < 0?" failed":""); | |
960 | } | |
961 | sc->stats.phy.dsrate = (data >> 16) * 32; | |
962 | sc->stats.phy.usrate = (data & 0xffff) * 32; | |
963 | UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424); | |
964 | ||
965 | ret = uea_read_cmv(sc, SA_DIAG, 23, &data); | |
966 | if (ret < 0) | |
967 | return ret; | |
968 | sc->stats.phy.dsattenuation = (data & 0xff) / 2; | |
969 | ||
970 | ret = uea_read_cmv(sc, SA_DIAG, 47, &data); | |
971 | if (ret < 0) | |
972 | return ret; | |
973 | sc->stats.phy.usattenuation = (data & 0xff) / 2; | |
974 | ||
975 | ret = uea_read_cmv(sc, SA_DIAG, 25, &sc->stats.phy.dsmargin); | |
976 | if (ret < 0) | |
977 | return ret; | |
978 | ||
979 | ret = uea_read_cmv(sc, SA_DIAG, 49, &sc->stats.phy.usmargin); | |
980 | if (ret < 0) | |
981 | return ret; | |
982 | ||
983 | ret = uea_read_cmv(sc, SA_DIAG, 51, &sc->stats.phy.rxflow); | |
984 | if (ret < 0) | |
985 | return ret; | |
986 | ||
987 | ret = uea_read_cmv(sc, SA_DIAG, 52, &sc->stats.phy.txflow); | |
988 | if (ret < 0) | |
989 | return ret; | |
990 | ||
991 | ret = uea_read_cmv(sc, SA_DIAG, 54, &sc->stats.phy.dsunc); | |
992 | if (ret < 0) | |
993 | return ret; | |
994 | ||
995 | /* only for atu-c */ | |
996 | ret = uea_read_cmv(sc, SA_DIAG, 58, &sc->stats.phy.usunc); | |
997 | if (ret < 0) | |
998 | return ret; | |
999 | ||
1000 | ret = uea_read_cmv(sc, SA_DIAG, 53, &sc->stats.phy.dscorr); | |
1001 | if (ret < 0) | |
1002 | return ret; | |
1003 | ||
1004 | /* only for atu-c */ | |
1005 | ret = uea_read_cmv(sc, SA_DIAG, 57, &sc->stats.phy.uscorr); | |
1006 | if (ret < 0) | |
1007 | return ret; | |
1008 | ||
1009 | ret = uea_read_cmv(sc, SA_INFO, 8, &sc->stats.phy.vidco); | |
1010 | if (ret < 0) | |
1011 | return ret; | |
1012 | ||
1013 | ret = uea_read_cmv(sc, SA_INFO, 13, &sc->stats.phy.vidcpe); | |
1014 | if (ret < 0) | |
1015 | return ret; | |
1016 | ||
1017 | return 0; | |
1018 | } | |
1019 | ||
1020 | static int request_cmvs(struct uea_softc *sc, | |
1021 | struct uea_cmvs **cmvs, const struct firmware **fw) | |
1022 | { | |
1023 | int ret, size; | |
1024 | u8 *data; | |
1025 | char *file; | |
fdf290fd | 1026 | char cmv_name[FIRMWARE_NAME_MAX]; /* 30 bytes stack variable */ |
b72458a8 | 1027 | |
1028 | if (cmv_file[sc->modem_index] == NULL) { | |
1029 | if (UEA_CHIP_VERSION(sc) == ADI930) | |
a7a0c9cd | 1030 | file = (IS_ISDN(sc->usb_dev)) ? "CMV9i.bin" : "CMV9p.bin"; |
b72458a8 | 1031 | else |
a7a0c9cd | 1032 | file = (IS_ISDN(sc->usb_dev)) ? "CMVei.bin" : "CMVep.bin"; |
b72458a8 | 1033 | } else |
1034 | file = cmv_file[sc->modem_index]; | |
1035 | ||
1036 | strcpy(cmv_name, FW_DIR); | |
1037 | strlcat(cmv_name, file, sizeof(cmv_name)); | |
1038 | ||
1039 | ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev); | |
1040 | if (ret < 0) { | |
1041 | uea_err(INS_TO_USBDEV(sc), | |
1042 | "requesting firmware %s failed with error %d\n", | |
1043 | cmv_name, ret); | |
1044 | return ret; | |
1045 | } | |
1046 | ||
1047 | data = (u8 *) (*fw)->data; | |
1048 | size = *data * sizeof(struct uea_cmvs) + 1; | |
1049 | if (size != (*fw)->size) { | |
1050 | uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", | |
1051 | cmv_name); | |
1052 | release_firmware(*fw); | |
1053 | return -EILSEQ; | |
1054 | } | |
1055 | ||
1056 | *cmvs = (struct uea_cmvs *)(data + 1); | |
1057 | return *data; | |
1058 | } | |
1059 | ||
1060 | /* Start boot post firmware modem: | |
1061 | * - send reset commands through usb control pipe | |
1062 | * - start workqueue for DSP loading | |
1063 | * - send CMV options to modem | |
1064 | */ | |
1065 | ||
1066 | static int uea_start_reset(struct uea_softc *sc) | |
1067 | { | |
1068 | u16 zero = 0; /* ;-) */ | |
1069 | int i, len, ret; | |
1070 | struct uea_cmvs *cmvs; | |
1071 | const struct firmware *cmvs_fw; | |
1072 | ||
1073 | uea_enters(INS_TO_USBDEV(sc)); | |
1074 | uea_info(INS_TO_USBDEV(sc), "(re)booting started\n"); | |
1075 | ||
22fcceb5 | 1076 | /* mask interrupt */ |
b72458a8 | 1077 | sc->booting = 1; |
22fcceb5 | 1078 | /* We need to set this here because, a ack timeout could have occured, |
1079 | * but before we start the reboot, the ack occurs and set this to 1. | |
1080 | * So we will failed to wait Ready CMV. | |
1081 | */ | |
1082 | sc->cmv_ack = 0; | |
b72458a8 | 1083 | UPDATE_ATM_STAT(signal, ATM_PHY_SIG_LOST); |
1084 | ||
1085 | /* reset statistics */ | |
1086 | memset(&sc->stats, 0, sizeof(struct uea_stats)); | |
1087 | ||
1088 | /* tell the modem that we want to boot in IDMA mode */ | |
1089 | uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); | |
1090 | uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL); | |
1091 | ||
1092 | /* enter reset mode */ | |
1093 | uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL); | |
1094 | ||
1095 | /* original driver use 200ms, but windows driver use 100ms */ | |
1096 | msleep(100); | |
1097 | ||
1098 | /* leave reset mode */ | |
1099 | uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL); | |
1100 | ||
1101 | /* clear tx and rx mailboxes */ | |
1102 | uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero); | |
1103 | uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero); | |
1104 | uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero); | |
1105 | ||
1106 | msleep(1000); | |
1107 | sc->cmv_function = MAKEFUNCTION(ADSLDIRECTIVE, MODEMREADY); | |
22fcceb5 | 1108 | /* demask interrupt */ |
b72458a8 | 1109 | sc->booting = 0; |
1110 | ||
1111 | /* start loading DSP */ | |
1112 | sc->pageno = 0; | |
1113 | sc->ovl = 0; | |
1114 | schedule_work(&sc->task); | |
1115 | ||
1116 | /* wait for modem ready CMV */ | |
1117 | ret = wait_cmv_ack(sc); | |
1118 | if (ret < 0) | |
1119 | return ret; | |
1120 | ||
2a99b507 | 1121 | uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n"); |
1122 | ||
b72458a8 | 1123 | /* Enter in R-IDLE (cmv) until instructed otherwise */ |
1124 | ret = uea_write_cmv(sc, SA_CNTL, 0, 1); | |
1125 | if (ret < 0) | |
1126 | return ret; | |
1127 | ||
a7a0c9cd | 1128 | /* Dump firmware version */ |
1129 | ret = uea_read_cmv(sc, SA_INFO, 10, &sc->stats.phy.firmid); | |
1130 | if (ret < 0) | |
1131 | return ret; | |
1132 | uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n", | |
1133 | sc->stats.phy.firmid); | |
1134 | ||
b72458a8 | 1135 | /* get options */ |
1136 | ret = len = request_cmvs(sc, &cmvs, &cmvs_fw); | |
1137 | if (ret < 0) | |
1138 | return ret; | |
1139 | ||
1140 | /* send options */ | |
1141 | for (i = 0; i < len; i++) { | |
1142 | ret = uea_write_cmv(sc, FW_GET_LONG(&cmvs[i].address), | |
1143 | FW_GET_WORD(&cmvs[i].offset), | |
1144 | FW_GET_LONG(&cmvs[i].data)); | |
1145 | if (ret < 0) | |
1146 | goto out; | |
1147 | } | |
1148 | /* Enter in R-ACT-REQ */ | |
1149 | ret = uea_write_cmv(sc, SA_CNTL, 0, 2); | |
2a99b507 | 1150 | uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n"); |
a7a0c9cd | 1151 | uea_info(INS_TO_USBDEV(sc), "Modem started, " |
1152 | "waiting synchronization\n"); | |
b72458a8 | 1153 | out: |
1154 | release_firmware(cmvs_fw); | |
1155 | sc->reset = 0; | |
1156 | uea_leaves(INS_TO_USBDEV(sc)); | |
1157 | return ret; | |
1158 | } | |
1159 | ||
1160 | /* | |
1161 | * In case of an error wait 1s before rebooting the modem | |
1162 | * if the modem don't request reboot (-EAGAIN). | |
1163 | * Monitor the modem every 1s. | |
1164 | */ | |
1165 | ||
1166 | static int uea_kthread(void *data) | |
1167 | { | |
1168 | struct uea_softc *sc = data; | |
1169 | int ret = -EAGAIN; | |
1170 | ||
83144186 | 1171 | set_freezable(); |
b72458a8 | 1172 | uea_enters(INS_TO_USBDEV(sc)); |
1173 | while (!kthread_should_stop()) { | |
1174 | if (ret < 0 || sc->reset) | |
1175 | ret = uea_start_reset(sc); | |
1176 | if (!ret) | |
1177 | ret = uea_stat(sc); | |
1178 | if (ret != -EAGAIN) | |
531a39bb | 1179 | msleep_interruptible(1000); |
9ca53464 | 1180 | if (try_to_freeze()) |
1181 | uea_err(INS_TO_USBDEV(sc), "suspend/resume not supported, " | |
1182 | "please unplug/replug your modem\n"); | |
b72458a8 | 1183 | } |
1184 | uea_leaves(INS_TO_USBDEV(sc)); | |
1185 | return ret; | |
1186 | } | |
1187 | ||
1188 | /* Load second usb firmware for ADI930 chip */ | |
1189 | static int load_XILINX_firmware(struct uea_softc *sc) | |
1190 | { | |
1191 | const struct firmware *fw_entry; | |
1192 | int ret, size, u, ln; | |
1193 | u8 *pfw, value; | |
1194 | char *fw_name = FW_DIR "930-fpga.bin"; | |
1195 | ||
1196 | uea_enters(INS_TO_USBDEV(sc)); | |
1197 | ||
1198 | ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev); | |
1199 | if (ret) { | |
1200 | uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n", | |
1201 | fw_name); | |
1202 | goto err0; | |
1203 | } | |
1204 | ||
1205 | pfw = fw_entry->data; | |
1206 | size = fw_entry->size; | |
1207 | if (size != 0x577B) { | |
1208 | uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", | |
1209 | fw_name); | |
1210 | ret = -EILSEQ; | |
1211 | goto err1; | |
1212 | } | |
1213 | for (u = 0; u < size; u += ln) { | |
1214 | ln = min(size - u, 64); | |
1215 | ret = uea_request(sc, 0xe, 0, ln, pfw + u); | |
1216 | if (ret < 0) { | |
1217 | uea_err(INS_TO_USBDEV(sc), | |
1218 | "elsa download data failed (%d)\n", ret); | |
1219 | goto err1; | |
1220 | } | |
1221 | } | |
1222 | ||
e40abaf6 | 1223 | /* finish to send the fpga */ |
b72458a8 | 1224 | ret = uea_request(sc, 0xe, 1, 0, NULL); |
1225 | if (ret < 0) { | |
1226 | uea_err(INS_TO_USBDEV(sc), | |
1227 | "elsa download data failed (%d)\n", ret); | |
1228 | goto err1; | |
1229 | } | |
1230 | ||
e40abaf6 | 1231 | /* Tell the modem we finish : de-assert reset */ |
b72458a8 | 1232 | value = 0; |
1233 | ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value); | |
1234 | if (ret < 0) | |
1235 | uea_err(sc->usb_dev, "elsa de-assert failed with error %d\n", ret); | |
1236 | ||
1237 | ||
1238 | err1: | |
1239 | release_firmware(fw_entry); | |
1240 | err0: | |
1241 | uea_leaves(INS_TO_USBDEV(sc)); | |
1242 | return ret; | |
1243 | } | |
1244 | ||
e40abaf6 | 1245 | /* The modem send us an ack. First with check if it right */ |
b72458a8 | 1246 | static void uea_dispatch_cmv(struct uea_softc *sc, struct cmv* cmv) |
1247 | { | |
1248 | uea_enters(INS_TO_USBDEV(sc)); | |
1249 | if (le16_to_cpu(cmv->wPreamble) != PREAMBLE) | |
1250 | goto bad1; | |
1251 | ||
1252 | if (cmv->bDirection != MODEMTOHOST) | |
1253 | goto bad1; | |
1254 | ||
1255 | /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to | |
1256 | * the first MEMACESS cmv. Ignore it... | |
1257 | */ | |
1258 | if (cmv->bFunction != sc->cmv_function) { | |
1259 | if (UEA_CHIP_VERSION(sc) == ADI930 | |
1260 | && cmv->bFunction == MAKEFUNCTION(2, 2)) { | |
1261 | cmv->wIndex = cpu_to_le16(sc->cmv_idx); | |
1262 | put_unaligned(cpu_to_le32(sc->cmv_address), &cmv->dwSymbolicAddress); | |
1263 | cmv->wOffsetAddress = cpu_to_le16(sc->cmv_offset); | |
1264 | } | |
1265 | else | |
1266 | goto bad2; | |
1267 | } | |
1268 | ||
1269 | if (cmv->bFunction == MAKEFUNCTION(ADSLDIRECTIVE, MODEMREADY)) { | |
1270 | wake_up_cmv_ack(sc); | |
2a99b507 | 1271 | uea_leaves(INS_TO_USBDEV(sc)); |
b72458a8 | 1272 | return; |
1273 | } | |
1274 | ||
1275 | /* in case of MEMACCESS */ | |
1276 | if (le16_to_cpu(cmv->wIndex) != sc->cmv_idx || | |
1277 | le32_to_cpu(get_unaligned(&cmv->dwSymbolicAddress)) != | |
1278 | sc->cmv_address | |
1279 | || le16_to_cpu(cmv->wOffsetAddress) != sc->cmv_offset) | |
1280 | goto bad2; | |
1281 | ||
1282 | sc->data = le32_to_cpu(get_unaligned(&cmv->dwData)); | |
1283 | sc->data = sc->data << 16 | sc->data >> 16; | |
1284 | ||
1285 | wake_up_cmv_ack(sc); | |
2a99b507 | 1286 | uea_leaves(INS_TO_USBDEV(sc)); |
b72458a8 | 1287 | return; |
1288 | ||
1289 | bad2: | |
1290 | uea_err(INS_TO_USBDEV(sc), "unexpected cmv received," | |
1291 | "Function : %d, Subfunction : %d\n", | |
1292 | FUNCTION_TYPE(cmv->bFunction), | |
1293 | FUNCTION_SUBTYPE(cmv->bFunction)); | |
2a99b507 | 1294 | uea_leaves(INS_TO_USBDEV(sc)); |
b72458a8 | 1295 | return; |
1296 | ||
1297 | bad1: | |
1298 | uea_err(INS_TO_USBDEV(sc), "invalid cmv received, " | |
1299 | "wPreamble %d, bDirection %d\n", | |
1300 | le16_to_cpu(cmv->wPreamble), cmv->bDirection); | |
2a99b507 | 1301 | uea_leaves(INS_TO_USBDEV(sc)); |
b72458a8 | 1302 | } |
1303 | ||
1304 | /* | |
1305 | * interrupt handler | |
1306 | */ | |
7d12e780 | 1307 | static void uea_intr(struct urb *urb) |
b72458a8 | 1308 | { |
e40abaf6 | 1309 | struct uea_softc *sc = urb->context; |
1310 | struct intr_pkt *intr = urb->transfer_buffer; | |
508330eb GKH |
1311 | int status = urb->status; |
1312 | ||
b72458a8 | 1313 | uea_enters(INS_TO_USBDEV(sc)); |
1314 | ||
508330eb | 1315 | if (unlikely(status < 0)) { |
b72458a8 | 1316 | uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n", |
508330eb | 1317 | status); |
b72458a8 | 1318 | return; |
1319 | } | |
1320 | ||
b72458a8 | 1321 | /* device-to-host interrupt */ |
1322 | if (intr->bType != 0x08 || sc->booting) { | |
e40abaf6 | 1323 | uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n"); |
b72458a8 | 1324 | goto resubmit; |
1325 | } | |
1326 | ||
1327 | switch (le16_to_cpu(intr->wInterrupt)) { | |
1328 | case INT_LOADSWAPPAGE: | |
1329 | sc->pageno = intr->bSwapPageNo; | |
1330 | sc->ovl = intr->bOvl >> 4 | intr->bOvl << 4; | |
1331 | schedule_work(&sc->task); | |
1332 | break; | |
1333 | ||
1334 | case INT_INCOMINGCMV: | |
1335 | uea_dispatch_cmv(sc, &intr->u.s2.cmv); | |
1336 | break; | |
1337 | ||
1338 | default: | |
e40abaf6 | 1339 | uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n", |
b72458a8 | 1340 | le16_to_cpu(intr->wInterrupt)); |
1341 | } | |
1342 | ||
1343 | resubmit: | |
1344 | usb_submit_urb(sc->urb_int, GFP_ATOMIC); | |
1345 | } | |
1346 | ||
1347 | /* | |
1348 | * Start the modem : init the data and start kernel thread | |
1349 | */ | |
1350 | static int uea_boot(struct uea_softc *sc) | |
1351 | { | |
1352 | int ret; | |
1353 | struct intr_pkt *intr; | |
1354 | ||
1355 | uea_enters(INS_TO_USBDEV(sc)); | |
1356 | ||
c4028958 | 1357 | INIT_WORK(&sc->task, uea_load_page); |
b72458a8 | 1358 | init_waitqueue_head(&sc->sync_q); |
1359 | init_waitqueue_head(&sc->cmv_ack_wait); | |
1360 | ||
1361 | if (UEA_CHIP_VERSION(sc) == ADI930) | |
1362 | load_XILINX_firmware(sc); | |
1363 | ||
1364 | intr = kmalloc(INTR_PKT_SIZE, GFP_KERNEL); | |
1365 | if (!intr) { | |
1366 | uea_err(INS_TO_USBDEV(sc), | |
1367 | "cannot allocate interrupt package\n"); | |
1368 | uea_leaves(INS_TO_USBDEV(sc)); | |
1369 | return -ENOMEM; | |
1370 | } | |
1371 | ||
1372 | sc->urb_int = usb_alloc_urb(0, GFP_KERNEL); | |
1373 | if (!sc->urb_int) { | |
1374 | uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n"); | |
1375 | goto err; | |
1376 | } | |
1377 | ||
1378 | usb_fill_int_urb(sc->urb_int, sc->usb_dev, | |
1379 | usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE), | |
1380 | intr, INTR_PKT_SIZE, uea_intr, sc, | |
1381 | sc->usb_dev->actconfig->interface[0]->altsetting[0]. | |
1382 | endpoint[0].desc.bInterval); | |
1383 | ||
1384 | ret = usb_submit_urb(sc->urb_int, GFP_KERNEL); | |
1385 | if (ret < 0) { | |
1386 | uea_err(INS_TO_USBDEV(sc), | |
1387 | "urb submition failed with error %d\n", ret); | |
4d45e218 | 1388 | goto err; |
b72458a8 | 1389 | } |
1390 | ||
1391 | sc->kthread = kthread_run(uea_kthread, sc, "ueagle-atm"); | |
1392 | if (sc->kthread == ERR_PTR(-ENOMEM)) { | |
1393 | uea_err(INS_TO_USBDEV(sc), "failed to create thread\n"); | |
1394 | goto err2; | |
1395 | } | |
1396 | ||
1397 | uea_leaves(INS_TO_USBDEV(sc)); | |
1398 | return 0; | |
1399 | ||
1400 | err2: | |
1401 | usb_kill_urb(sc->urb_int); | |
b72458a8 | 1402 | err: |
1403 | usb_free_urb(sc->urb_int); | |
4d45e218 | 1404 | sc->urb_int = NULL; |
1405 | kfree(intr); | |
b72458a8 | 1406 | uea_leaves(INS_TO_USBDEV(sc)); |
1407 | return -ENOMEM; | |
1408 | } | |
1409 | ||
1410 | /* | |
1411 | * Stop the modem : kill kernel thread and free data | |
1412 | */ | |
1413 | static void uea_stop(struct uea_softc *sc) | |
1414 | { | |
1415 | int ret; | |
1416 | uea_enters(INS_TO_USBDEV(sc)); | |
1417 | ret = kthread_stop(sc->kthread); | |
e40abaf6 | 1418 | uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret); |
b72458a8 | 1419 | |
1420 | /* stop any pending boot process */ | |
1421 | flush_scheduled_work(); | |
1422 | ||
1423 | uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL); | |
1424 | ||
1425 | usb_kill_urb(sc->urb_int); | |
1426 | kfree(sc->urb_int->transfer_buffer); | |
1427 | usb_free_urb(sc->urb_int); | |
1428 | ||
1429 | if (sc->dsp_firm) | |
1430 | release_firmware(sc->dsp_firm); | |
1431 | uea_leaves(INS_TO_USBDEV(sc)); | |
1432 | } | |
1433 | ||
1434 | /* syfs interface */ | |
1435 | static struct uea_softc *dev_to_uea(struct device *dev) | |
1436 | { | |
1437 | struct usb_interface *intf; | |
1438 | struct usbatm_data *usbatm; | |
1439 | ||
1440 | intf = to_usb_interface(dev); | |
1441 | if (!intf) | |
1442 | return NULL; | |
1443 | ||
1444 | usbatm = usb_get_intfdata(intf); | |
1445 | if (!usbatm) | |
1446 | return NULL; | |
1447 | ||
1448 | return usbatm->driver_data; | |
1449 | } | |
1450 | ||
1451 | static ssize_t read_status(struct device *dev, struct device_attribute *attr, | |
1452 | char *buf) | |
1453 | { | |
1454 | int ret = -ENODEV; | |
1455 | struct uea_softc *sc; | |
1456 | ||
ab3c81ff | 1457 | mutex_lock(&uea_mutex); |
b72458a8 | 1458 | sc = dev_to_uea(dev); |
1459 | if (!sc) | |
1460 | goto out; | |
1461 | ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state); | |
1462 | out: | |
ab3c81ff | 1463 | mutex_unlock(&uea_mutex); |
b72458a8 | 1464 | return ret; |
1465 | } | |
1466 | ||
1467 | static ssize_t reboot(struct device *dev, struct device_attribute *attr, | |
1468 | const char *buf, size_t count) | |
1469 | { | |
1470 | int ret = -ENODEV; | |
1471 | struct uea_softc *sc; | |
1472 | ||
ab3c81ff | 1473 | mutex_lock(&uea_mutex); |
b72458a8 | 1474 | sc = dev_to_uea(dev); |
1475 | if (!sc) | |
1476 | goto out; | |
1477 | sc->reset = 1; | |
1478 | ret = count; | |
1479 | out: | |
ab3c81ff | 1480 | mutex_unlock(&uea_mutex); |
b72458a8 | 1481 | return ret; |
1482 | } | |
1483 | ||
1484 | static DEVICE_ATTR(stat_status, S_IWUGO | S_IRUGO, read_status, reboot); | |
1485 | ||
1486 | static ssize_t read_human_status(struct device *dev, struct device_attribute *attr, | |
1487 | char *buf) | |
1488 | { | |
1489 | int ret = -ENODEV; | |
1490 | struct uea_softc *sc; | |
1491 | ||
ab3c81ff | 1492 | mutex_lock(&uea_mutex); |
b72458a8 | 1493 | sc = dev_to_uea(dev); |
1494 | if (!sc) | |
1495 | goto out; | |
1496 | ||
1497 | switch (GET_STATUS(sc->stats.phy.state)) { | |
1498 | case 0: | |
1499 | ret = sprintf(buf, "Modem is booting\n"); | |
1500 | break; | |
1501 | case 1: | |
1502 | ret = sprintf(buf, "Modem is initializing\n"); | |
1503 | break; | |
1504 | case 2: | |
1505 | ret = sprintf(buf, "Modem is operational\n"); | |
1506 | break; | |
1507 | default: | |
1508 | ret = sprintf(buf, "Modem synchronization failed\n"); | |
1509 | break; | |
1510 | } | |
1511 | out: | |
ab3c81ff | 1512 | mutex_unlock(&uea_mutex); |
b72458a8 | 1513 | return ret; |
1514 | } | |
1515 | ||
1516 | static DEVICE_ATTR(stat_human_status, S_IWUGO | S_IRUGO, read_human_status, NULL); | |
1517 | ||
1518 | static ssize_t read_delin(struct device *dev, struct device_attribute *attr, | |
1519 | char *buf) | |
1520 | { | |
1521 | int ret = -ENODEV; | |
1522 | struct uea_softc *sc; | |
1523 | ||
ab3c81ff | 1524 | mutex_lock(&uea_mutex); |
b72458a8 | 1525 | sc = dev_to_uea(dev); |
1526 | if (!sc) | |
1527 | goto out; | |
1528 | ||
1529 | if (sc->stats.phy.flags & 0x0C00) | |
1530 | ret = sprintf(buf, "ERROR\n"); | |
1531 | else if (sc->stats.phy.flags & 0x0030) | |
1532 | ret = sprintf(buf, "LOSS\n"); | |
1533 | else | |
1534 | ret = sprintf(buf, "GOOD\n"); | |
1535 | out: | |
ab3c81ff | 1536 | mutex_unlock(&uea_mutex); |
b72458a8 | 1537 | return ret; |
1538 | } | |
1539 | ||
1540 | static DEVICE_ATTR(stat_delin, S_IWUGO | S_IRUGO, read_delin, NULL); | |
1541 | ||
1542 | #define UEA_ATTR(name, reset) \ | |
1543 | \ | |
1544 | static ssize_t read_##name(struct device *dev, \ | |
1545 | struct device_attribute *attr, char *buf) \ | |
1546 | { \ | |
1547 | int ret = -ENODEV; \ | |
1548 | struct uea_softc *sc; \ | |
1549 | \ | |
2a99b507 | 1550 | mutex_lock(&uea_mutex); \ |
b72458a8 | 1551 | sc = dev_to_uea(dev); \ |
1552 | if (!sc) \ | |
1553 | goto out; \ | |
1554 | ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \ | |
1555 | if (reset) \ | |
1556 | sc->stats.phy.name = 0; \ | |
1557 | out: \ | |
2a99b507 | 1558 | mutex_unlock(&uea_mutex); \ |
b72458a8 | 1559 | return ret; \ |
1560 | } \ | |
1561 | \ | |
1562 | static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL) | |
1563 | ||
1564 | UEA_ATTR(mflags, 1); | |
1565 | UEA_ATTR(vidcpe, 0); | |
1566 | UEA_ATTR(usrate, 0); | |
1567 | UEA_ATTR(dsrate, 0); | |
1568 | UEA_ATTR(usattenuation, 0); | |
1569 | UEA_ATTR(dsattenuation, 0); | |
1570 | UEA_ATTR(usmargin, 0); | |
1571 | UEA_ATTR(dsmargin, 0); | |
1572 | UEA_ATTR(txflow, 0); | |
1573 | UEA_ATTR(rxflow, 0); | |
1574 | UEA_ATTR(uscorr, 0); | |
1575 | UEA_ATTR(dscorr, 0); | |
1576 | UEA_ATTR(usunc, 0); | |
1577 | UEA_ATTR(dsunc, 0); | |
a7a0c9cd | 1578 | UEA_ATTR(firmid, 0); |
b72458a8 | 1579 | |
1580 | /* Retrieve the device End System Identifier (MAC) */ | |
1581 | ||
1582 | #define htoi(x) (isdigit(x) ? x-'0' : toupper(x)-'A'+10) | |
1583 | static int uea_getesi(struct uea_softc *sc, u_char * esi) | |
1584 | { | |
1585 | unsigned char mac_str[2 * ETH_ALEN + 1]; | |
1586 | int i; | |
1587 | if (usb_string | |
1588 | (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str, | |
1589 | sizeof(mac_str)) != 2 * ETH_ALEN) | |
1590 | return 1; | |
1591 | ||
1592 | for (i = 0; i < ETH_ALEN; i++) | |
1593 | esi[i] = htoi(mac_str[2 * i]) * 16 + htoi(mac_str[2 * i + 1]); | |
1594 | ||
1595 | return 0; | |
1596 | } | |
1597 | ||
1598 | /* ATM stuff */ | |
1599 | static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev) | |
1600 | { | |
1601 | struct uea_softc *sc = usbatm->driver_data; | |
1602 | ||
1603 | return uea_getesi(sc, atm_dev->esi); | |
1604 | } | |
1605 | ||
1606 | static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf) | |
1607 | { | |
1608 | struct uea_softc *sc = usbatm->driver_data; | |
1609 | ||
531a39bb | 1610 | wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc)); |
b72458a8 | 1611 | |
1612 | return 0; | |
1613 | ||
1614 | } | |
1615 | ||
1616 | static int claim_interface(struct usb_device *usb_dev, | |
1617 | struct usbatm_data *usbatm, int ifnum) | |
1618 | { | |
1619 | int ret; | |
1620 | struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum); | |
1621 | ||
1622 | if (!intf) { | |
1623 | uea_err(usb_dev, "interface %d not found\n", ifnum); | |
1624 | return -ENODEV; | |
1625 | } | |
1626 | ||
1627 | ret = usb_driver_claim_interface(&uea_driver, intf, usbatm); | |
1628 | if (ret != 0) | |
1629 | uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum, | |
1630 | ret); | |
1631 | return ret; | |
1632 | } | |
1633 | ||
e7ccdfec GKH |
1634 | static struct attribute *attrs[] = { |
1635 | &dev_attr_stat_status.attr, | |
1636 | &dev_attr_stat_mflags.attr, | |
1637 | &dev_attr_stat_human_status.attr, | |
1638 | &dev_attr_stat_delin.attr, | |
1639 | &dev_attr_stat_vidcpe.attr, | |
1640 | &dev_attr_stat_usrate.attr, | |
1641 | &dev_attr_stat_dsrate.attr, | |
1642 | &dev_attr_stat_usattenuation.attr, | |
1643 | &dev_attr_stat_dsattenuation.attr, | |
1644 | &dev_attr_stat_usmargin.attr, | |
1645 | &dev_attr_stat_dsmargin.attr, | |
1646 | &dev_attr_stat_txflow.attr, | |
1647 | &dev_attr_stat_rxflow.attr, | |
1648 | &dev_attr_stat_uscorr.attr, | |
1649 | &dev_attr_stat_dscorr.attr, | |
1650 | &dev_attr_stat_usunc.attr, | |
1651 | &dev_attr_stat_dsunc.attr, | |
a7a0c9cd | 1652 | &dev_attr_stat_firmid.attr, |
9ab99c8c | 1653 | NULL, |
e7ccdfec GKH |
1654 | }; |
1655 | static struct attribute_group attr_grp = { | |
1656 | .attrs = attrs, | |
1657 | }; | |
1658 | ||
b72458a8 | 1659 | static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, |
35644b0c | 1660 | const struct usb_device_id *id) |
b72458a8 | 1661 | { |
1662 | struct usb_device *usb = interface_to_usbdev(intf); | |
1663 | struct uea_softc *sc; | |
1664 | int ret, ifnum = intf->altsetting->desc.bInterfaceNumber; | |
1665 | ||
1666 | uea_enters(usb); | |
1667 | ||
1668 | /* interface 0 is for firmware/monitoring */ | |
1669 | if (ifnum != UEA_INTR_IFACE_NO) | |
1670 | return -ENODEV; | |
1671 | ||
0dfcd3e4 | 1672 | usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT); |
b72458a8 | 1673 | |
1674 | /* interface 1 is for outbound traffic */ | |
1675 | ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO); | |
1676 | if (ret < 0) | |
1677 | return ret; | |
1678 | ||
e40abaf6 | 1679 | /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */ |
b72458a8 | 1680 | if (UEA_CHIP_VERSION(id) != ADI930) { |
1681 | /* interface 2 is for inbound traffic */ | |
1682 | ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO); | |
1683 | if (ret < 0) | |
1684 | return ret; | |
1685 | } | |
1686 | ||
1687 | sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL); | |
1688 | if (!sc) { | |
584958c3 | 1689 | uea_err(usb, "uea_init: not enough memory !\n"); |
b72458a8 | 1690 | return -ENOMEM; |
1691 | } | |
1692 | ||
1693 | sc->usb_dev = usb; | |
1694 | usbatm->driver_data = sc; | |
1695 | sc->usbatm = usbatm; | |
1696 | sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0; | |
1697 | sc->driver_info = id->driver_info; | |
1698 | ||
3c9666cc | 1699 | /* ADI930 don't support iso */ |
1700 | if (UEA_CHIP_VERSION(id) != ADI930 && use_iso[sc->modem_index]) { | |
1701 | int i; | |
1702 | ||
1703 | /* try set fastest alternate for inbound traffic interface */ | |
1704 | for (i = FASTEST_ISO_INTF; i > 0; i--) | |
1705 | if (usb_set_interface(usb, UEA_DS_IFACE_NO, i) == 0) | |
1706 | break; | |
1707 | ||
1708 | if (i > 0) { | |
1709 | uea_dbg(usb, "set alternate %d for 2 interface\n", i); | |
1710 | uea_info(usb, "using iso mode\n"); | |
1711 | usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ; | |
1712 | } else { | |
1713 | uea_err(usb, "setting any alternate failed for " | |
1714 | "2 interface, using bulk mode\n"); | |
1715 | } | |
1716 | } | |
1717 | ||
9ab99c8c | 1718 | ret = sysfs_create_group(&intf->dev.kobj, &attr_grp); |
1719 | if (ret < 0) | |
1720 | goto error; | |
1721 | ||
b72458a8 | 1722 | ret = uea_boot(sc); |
9ab99c8c | 1723 | if (ret < 0) |
1724 | goto error; | |
b72458a8 | 1725 | |
b72458a8 | 1726 | return 0; |
9ab99c8c | 1727 | error: |
1728 | kfree(sc); | |
1729 | return ret; | |
b72458a8 | 1730 | } |
1731 | ||
1732 | static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) | |
1733 | { | |
1734 | struct uea_softc *sc = usbatm->driver_data; | |
1735 | ||
9ab99c8c | 1736 | sysfs_remove_group(&intf->dev.kobj, &attr_grp); |
b72458a8 | 1737 | uea_stop(sc); |
1738 | kfree(sc); | |
1739 | } | |
1740 | ||
1741 | static struct usbatm_driver uea_usbatm_driver = { | |
1742 | .driver_name = "ueagle-atm", | |
b72458a8 | 1743 | .bind = uea_bind, |
1744 | .atm_start = uea_atm_open, | |
1745 | .unbind = uea_unbind, | |
1746 | .heavy_init = uea_heavy, | |
80aae7a1 DS |
1747 | .bulk_in = UEA_BULK_DATA_PIPE, |
1748 | .bulk_out = UEA_BULK_DATA_PIPE, | |
3c9666cc | 1749 | .isoc_in = UEA_ISO_DATA_PIPE, |
b72458a8 | 1750 | }; |
1751 | ||
1752 | static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
1753 | { | |
1754 | struct usb_device *usb = interface_to_usbdev(intf); | |
1755 | ||
1756 | uea_enters(usb); | |
a7a0c9cd | 1757 | uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) : %s %s\n", |
b72458a8 | 1758 | le16_to_cpu(usb->descriptor.idVendor), |
1759 | le16_to_cpu(usb->descriptor.idProduct), | |
a7a0c9cd | 1760 | chip_name[UEA_CHIP_VERSION(id)], IS_ISDN(usb)?"isdn":"pots"); |
b72458a8 | 1761 | |
1762 | usb_reset_device(usb); | |
1763 | ||
1764 | if (UEA_IS_PREFIRM(id)) | |
1765 | return uea_load_firmware(usb, UEA_CHIP_VERSION(id)); | |
1766 | ||
1767 | return usbatm_usb_probe(intf, id, &uea_usbatm_driver); | |
1768 | } | |
1769 | ||
1770 | static void uea_disconnect(struct usb_interface *intf) | |
1771 | { | |
1772 | struct usb_device *usb = interface_to_usbdev(intf); | |
1773 | int ifnum = intf->altsetting->desc.bInterfaceNumber; | |
1774 | uea_enters(usb); | |
1775 | ||
1776 | /* ADI930 has 2 interfaces and eagle 3 interfaces. | |
1777 | * Pre-firmware device has one interface | |
1778 | */ | |
1779 | if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) { | |
ab3c81ff | 1780 | mutex_lock(&uea_mutex); |
b72458a8 | 1781 | usbatm_usb_disconnect(intf); |
ab3c81ff | 1782 | mutex_unlock(&uea_mutex); |
b72458a8 | 1783 | uea_info(usb, "ADSL device removed\n"); |
1784 | } | |
1785 | ||
1786 | uea_leaves(usb); | |
1787 | } | |
1788 | ||
1789 | /* | |
1790 | * List of supported VID/PID | |
1791 | */ | |
1792 | static const struct usb_device_id uea_ids[] = { | |
1793 | {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), .driver_info = ADI930 | PREFIRM}, | |
1794 | {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), .driver_info = ADI930 | PSTFIRM}, | |
1795 | {USB_DEVICE(EAGLE_VID, EAGLE_I_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, | |
1796 | {USB_DEVICE(EAGLE_VID, EAGLE_I_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, | |
1797 | {USB_DEVICE(EAGLE_VID, EAGLE_II_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM}, | |
1798 | {USB_DEVICE(EAGLE_VID, EAGLE_II_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM}, | |
1799 | {USB_DEVICE(EAGLE_VID, EAGLE_IIC_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM}, | |
1800 | {USB_DEVICE(EAGLE_VID, EAGLE_IIC_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM}, | |
1801 | {USB_DEVICE(EAGLE_VID, EAGLE_III_PID_PREFIRM), .driver_info = EAGLE_III | PREFIRM}, | |
1802 | {USB_DEVICE(EAGLE_VID, EAGLE_III_PID_PSTFIRM), .driver_info = EAGLE_III | PSTFIRM}, | |
1803 | {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, | |
1804 | {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, | |
1805 | {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM}, | |
1806 | {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM}, | |
1807 | {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM}, | |
1808 | {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM}, | |
1809 | {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM}, | |
1810 | {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM}, | |
1811 | {} | |
1812 | }; | |
1813 | ||
1814 | /* | |
1815 | * USB driver descriptor | |
1816 | */ | |
1817 | static struct usb_driver uea_driver = { | |
b72458a8 | 1818 | .name = "ueagle-atm", |
1819 | .id_table = uea_ids, | |
1820 | .probe = uea_probe, | |
1821 | .disconnect = uea_disconnect, | |
1822 | }; | |
1823 | ||
1824 | MODULE_DEVICE_TABLE(usb, uea_ids); | |
1825 | ||
1826 | /** | |
1827 | * uea_init - Initialize the module. | |
1828 | * Register to USB subsystem | |
1829 | */ | |
1830 | static int __init uea_init(void) | |
1831 | { | |
1832 | printk(KERN_INFO "[ueagle-atm] driver " EAGLEUSBVERSION " loaded\n"); | |
1833 | ||
1834 | usb_register(&uea_driver); | |
1835 | ||
1836 | return 0; | |
1837 | } | |
1838 | ||
1839 | module_init(uea_init); | |
1840 | ||
1841 | /** | |
1842 | * uea_exit - Destroy module | |
1843 | * Deregister with USB subsystem | |
1844 | */ | |
1845 | static void __exit uea_exit(void) | |
1846 | { | |
1847 | /* | |
1848 | * This calls automatically the uea_disconnect method if necessary: | |
1849 | */ | |
1850 | usb_deregister(&uea_driver); | |
1851 | ||
1852 | printk(KERN_INFO "[ueagle-atm] driver unloaded\n"); | |
1853 | } | |
1854 | ||
1855 | module_exit(uea_exit); | |
1856 | ||
1857 | MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); | |
1858 | MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); | |
1859 | MODULE_LICENSE("Dual BSD/GPL"); |