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UEAGLE: Eagle IV chipset support
[deliverable/linux.git] / drivers / usb / atm / ueagle-atm.c
CommitLineData
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
c8e46379
SG		 110struct intr_pkt;
111
112/* cmv's from firmware */
113struct uea_cmvs_v1 {
b72458a8 114 u32 address;
115 u16 offset;
116 u32 data;
117} __attribute__ ((packed));
118
c8e46379
SG		 119struct uea_cmvs_v2 {
120 u32 group;
121 u32 address;
122 u32 offset;
123 u32 data;
124} __attribute__ ((packed));
125
126/* information about currently processed cmv */
127struct cmv_dsc_e1 {
128 u8 function;
129 u16 idx;
130 u32 address;
131 u16 offset;
132};
133
134struct cmv_dsc_e4 {
135 u16 function;
136 u16 offset;
137 u16 address;
138 u16 group;
139};
140
141union cmv_dsc {
142 struct cmv_dsc_e1 e1;
143 struct cmv_dsc_e4 e4;
144};
145
b72458a8 146struct uea_softc {
147 struct usb_device *usb_dev;
148 struct usbatm_data *usbatm;
149
150 int modem_index;
151 unsigned int driver_info;
152
153 int booting;
154 int reset;
155
156 wait_queue_head_t sync_q;
157
158 struct task_struct *kthread;
159 u32 data;
c8e46379 160 u32 data1;
b72458a8 161 wait_queue_head_t cmv_ack_wait;
c8e46379 162
b72458a8 163 int cmv_ack;
c8e46379 164 union cmv_dsc cmv_dsc;
b72458a8 165
166 struct work_struct task;
167 u16 pageno;
168 u16 ovl;
169
170 const struct firmware *dsp_firm;
171 struct urb *urb_int;
172
c8e46379
SG		 173 void (*dispatch_cmv) (struct uea_softc *, struct intr_pkt *);
174 void (*schedule_load_page) (struct uea_softc *, struct intr_pkt *);
175 int (*stat) (struct uea_softc *);
176 int (*send_cmvs) (struct uea_softc *);
b72458a8 177
178 /* keep in sync with eaglectl */
179 struct uea_stats {
180 struct {
181 u32 state;
182 u32 flags;
183 u32 mflags;
184 u32 vidcpe;
185 u32 vidco;
186 u32 dsrate;
187 u32 usrate;
188 u32 dsunc;
189 u32 usunc;
190 u32 dscorr;
191 u32 uscorr;
192 u32 txflow;
193 u32 rxflow;
194 u32 usattenuation;
195 u32 dsattenuation;
196 u32 dsmargin;
197 u32 usmargin;
198 u32 firmid;
199 } phy;
200 } stats;
201};
202
203/*
204 * Elsa IDs
205 */
206#define ELSA_VID 0x05CC
207#define ELSA_PID_PSTFIRM 0x3350
208#define ELSA_PID_PREFIRM 0x3351
209
210/*
211 * Sagem USB IDs
212 */
213#define EAGLE_VID 0x1110
214#define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */
215#define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */
216
217#define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */
218#define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */
219
220#define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */
221#define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */
222
b72458a8 223#define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */
224#define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */
225
c8e46379
SG		 226#define EAGLE_IV_PID_PREFIRM 0x9042 /* Eagle IV */
227#define EAGLE_IV_PID_PSTFIRM 0x9041 /* Eagle IV */
228
b72458a8 229/*
230 * USR USB IDs
231 */
232#define USR_VID 0x0BAF
233#define MILLER_A_PID_PREFIRM 0x00F2
234#define MILLER_A_PID_PSTFIRM 0x00F1
235#define MILLER_B_PID_PREFIRM 0x00FA
236#define MILLER_B_PID_PSTFIRM 0x00F9
237#define HEINEKEN_A_PID_PREFIRM 0x00F6
238#define HEINEKEN_A_PID_PSTFIRM 0x00F5
239#define HEINEKEN_B_PID_PREFIRM 0x00F8
240#define HEINEKEN_B_PID_PSTFIRM 0x00F7
241
242#define PREFIRM 0
243#define PSTFIRM (1<<7)
244enum {
245 ADI930 = 0,
246 EAGLE_I,
247 EAGLE_II,
c8e46379
SG		 248 EAGLE_III,
249 EAGLE_IV
b72458a8 250};
251
252/* macros for both struct usb_device_id and struct uea_softc */
253#define UEA_IS_PREFIRM(x) \
254 (!((x)->driver_info & PSTFIRM))
255#define UEA_CHIP_VERSION(x) \
256 ((x)->driver_info & 0xf)
257
a7a0c9cd 258#define IS_ISDN(usb_dev) \
259 (le16_to_cpu((usb_dev)->descriptor.bcdDevice) & 0x80)
b72458a8 260
261#define INS_TO_USBDEV(ins) ins->usb_dev
262
263#define GET_STATUS(data) \
264 ((data >> 8) & 0xf)
c8e46379 265
b72458a8 266#define IS_OPERATIONAL(sc) \
c8e46379
SG		 267 ((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \
268 (GET_STATUS(sc->stats.phy.state) == 2) : \
269 (sc->stats.phy.state == 7))
b72458a8 270
271/*
272 * Set of macros to handle unaligned data in the firmware blob.
273 * The FW_GET_BYTE() macro is provided only for consistency.
274 */
275
276#define FW_GET_BYTE(p) *((__u8 *) (p))
277#define FW_GET_WORD(p) le16_to_cpu(get_unaligned((__le16 *) (p)))
278#define FW_GET_LONG(p) le32_to_cpu(get_unaligned((__le32 *) (p)))
279
280#define FW_DIR "ueagle-atm/"
281#define NB_MODEM 4
282
283#define BULK_TIMEOUT 300
284#define CTRL_TIMEOUT 1000
285
22fcceb5 286#define ACK_TIMEOUT msecs_to_jiffies(3000)
b72458a8 287
288#define UEA_INTR_IFACE_NO 0
289#define UEA_US_IFACE_NO 1
290#define UEA_DS_IFACE_NO 2
291
292#define FASTEST_ISO_INTF 8
293
294#define UEA_BULK_DATA_PIPE 0x02
295#define UEA_IDMA_PIPE 0x04
296#define UEA_INTR_PIPE 0x04
297#define UEA_ISO_DATA_PIPE 0x08
298
c8e46379
SG		 299#define UEA_E1_SET_BLOCK 0x0001
300#define UEA_E4_SET_BLOCK 0x002c
b72458a8 301#define UEA_SET_MODE 0x0003
302#define UEA_SET_2183_DATA 0x0004
303#define UEA_SET_TIMEOUT 0x0011
304
305#define UEA_LOOPBACK_OFF 0x0002
306#define UEA_LOOPBACK_ON 0x0003
307#define UEA_BOOT_IDMA 0x0006
308#define UEA_START_RESET 0x0007
309#define UEA_END_RESET 0x0008
310
311#define UEA_SWAP_MAILBOX (0x3fcd | 0x4000)
312#define UEA_MPTX_START (0x3fce | 0x4000)
313#define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000)
314#define UEA_MPRX_MAILBOX (0x3fdf | 0x4000)
315
c8e46379
SG		 316/* block information in eagle4 dsp firmware */
317struct block_index {
318 __le32 PageOffset;
319 __le32 NotLastBlock;
320 __le32 dummy;
321 __le32 PageSize;
322 __le32 PageAddress;
323 __le16 dummy1;
324 __le16 PageNumber;
325} __attribute__ ((packed));
326
327#define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000)
328#define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4)
329
330#define E4_L1_STRING_HEADER 0x10
331#define E4_MAX_PAGE_NUMBER 0x58
332#define E4_NO_SWAPPAGE_HEADERS 0x31
333
334/* l1_code is eagle4 dsp firmware format */
335struct l1_code {
336 u8 string_header[E4_L1_STRING_HEADER];
337 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER];
338 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS];
339 u8 code [0];
340} __attribute__ ((packed));
341
342/* structures describing a block within a DSP page */
343struct block_info_e1 {
b72458a8 344 __le16 wHdr;
b72458a8 345 __le16 wAddress;
346 __le16 wSize;
347 __le16 wOvlOffset;
348 __le16 wOvl; /* overlay */
349 __le16 wLast;
350} __attribute__ ((packed));
c8e46379
SG		 351#define E1_BLOCK_INFO_SIZE 12
352
353struct block_info_e4 {
354 __be16 wHdr;
355 __u8 bBootPage;
356 __u8 bPageNumber;
357 __be32 dwSize;
358 __be32 dwAddress;
359 __be16 wReserved;
360} __attribute__ ((packed));
361#define E4_BLOCK_INFO_SIZE 14
b72458a8 362
c8e46379
SG		 363#define UEA_BIHDR 0xabcd
364#define UEA_RESERVED 0xffff
365
366/* constants describing cmv type */
367#define E1_PREAMBLE 0x535c
368#define E1_MODEMTOHOST 0x01
369#define E1_HOSTTOMODEM 0x10
370
371#define E1_MEMACCESS 0x1
372#define E1_ADSLDIRECTIVE 0x7
373#define E1_FUNCTION_TYPE(f) ((f) >> 4)
374#define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f)
375
376#define E4_MEMACCESS 0
377#define E4_ADSLDIRECTIVE 0xf
378#define E4_FUNCTION_TYPE(f) ((f) >> 8)
379#define E4_FUNCTION_SIZE(f) ((f) & 0x0f)
380#define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f)
b72458a8 381
b72458a8 382/* for MEMACCESS */
c8e46379
SG		 383#define E1_REQUESTREAD 0x0
384#define E1_REQUESTWRITE 0x1
385#define E1_REPLYREAD 0x2
386#define E1_REPLYWRITE 0x3
387
388#define E4_REQUESTREAD 0x0
389#define E4_REQUESTWRITE 0x4
390#define E4_REPLYREAD (E4_REQUESTREAD | 1)
391#define E4_REPLYWRITE (E4_REQUESTWRITE | 1)
392
b72458a8 393/* for ADSLDIRECTIVE */
c8e46379
SG		 394#define E1_KERNELREADY 0x0
395#define E1_MODEMREADY 0x1
b72458a8 396
c8e46379
SG		 397#define E4_KERNELREADY 0x0
398#define E4_MODEMREADY 0x1
399
400#define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf))
401#define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | ((st) & 0xf) << 4 | ((s) & 0xf))
402
403#define E1_MAKESA(a, b, c, d) \
b72458a8 404 (((c) & 0xff) << 24 | \
405 ((d) & 0xff) << 16 | \
406 ((a) & 0xff) << 8 | \
407 ((b) & 0xff))
c8e46379
SG		 408
409#define E1_GETSA1(a) ((a >> 8) & 0xff)
410#define E1_GETSA2(a) (a & 0xff)
411#define E1_GETSA3(a) ((a >> 24) & 0xff)
412#define E1_GETSA4(a) ((a >> 16) & 0xff)
413
414#define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L')
415#define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G')
416#define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O')
417#define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N')
418#define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E')
419#define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T')
420
421#define E4_SA_CNTL 1
422#define E4_SA_STAT 2
423#define E4_SA_INFO 3
424#define E4_SA_TEST 4
425#define E4_SA_OPTN 5
426#define E4_SA_RATE 6
427#define E4_SA_DIAG 7
428#define E4_SA_CNFG 8
429
430/* structures representing a CMV (Configuration and Management Variable) */
431struct cmv_e1 {
432 __le16 wPreamble;
433 __u8 bDirection;
434 __u8 bFunction;
435 __le16 wIndex;
436 __le32 dwSymbolicAddress;
b72458a8 437 __le16 wOffsetAddress;
438 __le32 dwData;
439} __attribute__ ((packed));
b72458a8 440
c8e46379
SG		 441struct cmv_e4 {
442 __be16 wGroup;
443 __be16 wFunction;
444 __be16 wOffset;
445 __be16 wAddress;
446 __be32 dwData [6];
447} __attribute__ ((packed));
448
449/* structures representing swap information */
450struct swap_info_e1 {
b72458a8 451 __u8 bSwapPageNo;
452 __u8 bOvl; /* overlay */
453} __attribute__ ((packed));
454
c8e46379
SG		 455struct swap_info_e4 {
456 __u8 bSwapPageNo;
457} __attribute__ ((packed));
458
459/* structures representing interrupt data */
460#define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo
461#define e1_bOvl u.e1.s1.swapinfo.bOvl
462#define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo
463
464#define INT_LOADSWAPPAGE 0x0001
465#define INT_INCOMINGCMV 0x0002
466
467union intr_data_e1 {
468 struct {
469 struct swap_info_e1 swapinfo;
470 __le16 wDataSize;
471 } __attribute__ ((packed)) s1;
472 struct {
473 struct cmv_e1 cmv;
474 __le16 wDataSize;
475 } __attribute__ ((packed)) s2;
476} __attribute__ ((packed));
477
478union intr_data_e4 {
479 struct {
480 struct swap_info_e4 swapinfo;
481 __le16 wDataSize;
482 } __attribute__ ((packed)) s1;
483 struct {
484 struct cmv_e4 cmv;
485 __le16 wDataSize;
486 } __attribute__ ((packed)) s2;
487} __attribute__ ((packed));
488
b72458a8 489struct intr_pkt {
490 __u8 bType;
491 __u8 bNotification;
492 __le16 wValue;
493 __le16 wIndex;
494 __le16 wLength;
495 __le16 wInterrupt;
b72458a8 496 union {
c8e46379
SG		 497 union intr_data_e1 e1;
498 union intr_data_e4 e4;
499 } u;
b72458a8 500} __attribute__ ((packed));
c8e46379
SG		 501
502#define E1_INTR_PKT_SIZE 28
503#define E4_INTR_PKT_SIZE 64
b72458a8 504
505static struct usb_driver uea_driver;
ab3c81ff 506static DEFINE_MUTEX(uea_mutex);
c8e46379 507static const char *chip_name[] = {"ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"};
b72458a8 508
509static int modem_index;
510static unsigned int debug;
3c9666cc 511static int use_iso[NB_MODEM] = {[0 ... (NB_MODEM - 1)] = 1};
b72458a8 512static int sync_wait[NB_MODEM];
513static char *cmv_file[NB_MODEM];
514
515module_param(debug, uint, 0644);
516MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)");
3c9666cc 517module_param_array(use_iso, bool, NULL, 0644);
518MODULE_PARM_DESC(use_iso, "use isochronous usb pipe for incoming traffic");
b72458a8 519module_param_array(sync_wait, bool, NULL, 0644);
520MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM");
521module_param_array(cmv_file, charp, NULL, 0644);
522MODULE_PARM_DESC(cmv_file,
523 "file name with configuration and management variables");
524
525#define UPDATE_ATM_STAT(type, val) \
526 do { \
527 if (sc->usbatm->atm_dev) \
528 sc->usbatm->atm_dev->type = val; \
529 } while (0)
530
531/* Firmware loading */
532#define LOAD_INTERNAL 0xA0
533#define F8051_USBCS 0x7f92
534
535/**
536 * uea_send_modem_cmd - Send a command for pre-firmware devices.
537 */
538static int uea_send_modem_cmd(struct usb_device *usb,
539 u16 addr, u16 size, u8 * buff)
540{
541 int ret = -ENOMEM;
542 u8 *xfer_buff;
543
5d7efe5b 544 xfer_buff = kmemdup(buff, size, GFP_KERNEL);
b72458a8 545 if (xfer_buff) {
b72458a8 546 ret = usb_control_msg(usb,
547 usb_sndctrlpipe(usb, 0),
548 LOAD_INTERNAL,
549 USB_DIR_OUT | USB_TYPE_VENDOR |
550 USB_RECIP_DEVICE, addr, 0, xfer_buff,
551 size, CTRL_TIMEOUT);
552 kfree(xfer_buff);
553 }
554
555 if (ret < 0)
556 return ret;
557
558 return (ret == size) ? 0 : -EIO;
559}
560
561static void uea_upload_pre_firmware(const struct firmware *fw_entry, void *context)
562{
563 struct usb_device *usb = context;
564 u8 *pfw, value;
565 u32 crc = 0;
566 int ret, size;
567
568 uea_enters(usb);
569 if (!fw_entry) {
570 uea_err(usb, "firmware is not available\n");
571 goto err;
572 }
573
574 pfw = fw_entry->data;
575 size = fw_entry->size;
8d7802ed 576 if (size < 4)
577 goto err_fw_corrupted;
b72458a8 578
579 crc = FW_GET_LONG(pfw);
580 pfw += 4;
581 size -= 4;
8d7802ed 582 if (crc32_be(0, pfw, size) != crc)
583 goto err_fw_corrupted;
b72458a8 584
585 /*
586 * Start to upload formware : send reset
587 */
588 value = 1;
589 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value);
590
591 if (ret < 0) {
592 uea_err(usb, "modem reset failed with error %d\n", ret);
593 goto err;
594 }
595
8d7802ed 596 while (size > 3) {
b72458a8 597 u8 len = FW_GET_BYTE(pfw);
598 u16 add = FW_GET_WORD(pfw + 1);
8d7802ed 599
600 size -= len + 3;
601 if (size < 0)
602 goto err_fw_corrupted;
603
b72458a8 604 ret = uea_send_modem_cmd(usb, add, len, pfw + 3);
605 if (ret < 0) {
606 uea_err(usb, "uploading firmware data failed "
607 "with error %d\n", ret);
608 goto err;
609 }
610 pfw += len + 3;
b72458a8 611 }
612
8d7802ed 613 if (size != 0)
614 goto err_fw_corrupted;
615
b72458a8 616 /*
617 * Tell the modem we finish : de-assert reset
618 */
619 value = 0;
620 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value);
621 if (ret < 0)
622 uea_err(usb, "modem de-assert failed with error %d\n", ret);
623 else
624 uea_info(usb, "firmware uploaded\n");
625
8d7802ed 626 uea_leaves(usb);
627 return;
628
629err_fw_corrupted:
630 uea_err(usb, "firmware is corrupted\n");
b72458a8 631err:
632 uea_leaves(usb);
633}
634
635/**
636 * uea_load_firmware - Load usb firmware for pre-firmware devices.
637 */
638static int uea_load_firmware(struct usb_device *usb, unsigned int ver)
639{
640 int ret;
641 char *fw_name = FW_DIR "eagle.fw";
642
643 uea_enters(usb);
644 uea_info(usb, "pre-firmware device, uploading firmware\n");
645
646 switch (ver) {
647 case ADI930:
648 fw_name = FW_DIR "adi930.fw";
649 break;
650 case EAGLE_I:
651 fw_name = FW_DIR "eagleI.fw";
652 break;
653 case EAGLE_II:
654 fw_name = FW_DIR "eagleII.fw";
655 break;
656 case EAGLE_III:
657 fw_name = FW_DIR "eagleIII.fw";
658 break;
c8e46379
SG		 659 case EAGLE_IV:
660 fw_name = FW_DIR "eagleIV.fw";
661 break;
b72458a8 662 }
663
664 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, usb, uea_upload_pre_firmware);
665 if (ret)
666 uea_err(usb, "firmware %s is not available\n", fw_name);
667 else
668 uea_info(usb, "loading firmware %s\n", fw_name);
669
670 uea_leaves(usb);
671 return ret;
672}
673
674/* modem management : dsp firmware, send/read CMV, monitoring statistic
675 */
676
677/*
678 * Make sure that the DSP code provided is safe to use.
679 */
c8e46379 680static int check_dsp_e1(u8 *dsp, unsigned int len)
b72458a8 681{
682 u8 pagecount, blockcount;
683 u16 blocksize;
684 u32 pageoffset;
685 unsigned int i, j, p, pp;
686
b72458a8 687 pagecount = FW_GET_BYTE(dsp);
688 p = 1;
689
690 /* enough space for page offsets? */
691 if (p + 4 * pagecount > len)
692 return 1;
693
694 for (i = 0; i < pagecount; i++) {
695
696 pageoffset = FW_GET_LONG(dsp + p);
697 p += 4;
698
699 if (pageoffset == 0)
700 continue;
701
702 /* enough space for blockcount? */
703 if (pageoffset >= len)
704 return 1;
705
706 pp = pageoffset;
707 blockcount = FW_GET_BYTE(dsp + pp);
708 pp += 1;
709
710 for (j = 0; j < blockcount; j++) {
711
712 /* enough space for block header? */
713 if (pp + 4 > len)
714 return 1;
715
716 pp += 2; /* skip blockaddr */
717 blocksize = FW_GET_WORD(dsp + pp);
718 pp += 2;
719
720 /* enough space for block data? */
721 if (pp + blocksize > len)
722 return 1;
723
724 pp += blocksize;
725 }
726 }
727
728 return 0;
729}
730
c8e46379
SG		 731static int check_dsp_e4(u8 *dsp, int len)
732{
733 int i;
734 struct l1_code *p = (struct l1_code *) dsp;
735 unsigned int sum = p->code - dsp;
736
737 if (len < sum)
738 return 1;
739
740 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 &&
741 strcmp("STRATIPHY ANEXB", p->string_header) != 0)
742 return 1;
743
744 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) {
745 struct block_index *blockidx;
746 u8 blockno = p->page_number_to_block_index[i];
747 if (blockno >= E4_NO_SWAPPAGE_HEADERS)
748 continue;
749
750 do {
751 u64 l;
752
753 if (blockno >= E4_NO_SWAPPAGE_HEADERS)
754 return 1;
755
756 blockidx = &p->page_header[blockno++];
757 if ((u8 *)(blockidx + 1) - dsp >= len)
758 return 1;
759
760 if (le16_to_cpu(blockidx->PageNumber) != i)
761 return 1;
762
763 l = E4_PAGE_BYTES(blockidx->PageSize);
764 sum += l;
765 l += le32_to_cpu(blockidx->PageOffset);
766 if (l > len)
767 return 1;
768
769 /* zero is zero regardless endianes */
770 } while (blockidx->NotLastBlock);
771 }
772
773 return (sum == len) ? 0 : 1;
774}
775
b72458a8 776/*
777 * send data to the idma pipe
778 * */
779static int uea_idma_write(struct uea_softc *sc, void *data, u32 size)
780{
781 int ret = -ENOMEM;
782 u8 *xfer_buff;
783 int bytes_read;
784
5d7efe5b 785 xfer_buff = kmemdup(data, size, GFP_KERNEL);
b72458a8 786 if (!xfer_buff) {
787 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
788 return ret;
789 }
790
b72458a8 791 ret = usb_bulk_msg(sc->usb_dev,
792 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE),
793 xfer_buff, size, &bytes_read, BULK_TIMEOUT);
794
795 kfree(xfer_buff);
796 if (ret < 0)
797 return ret;
798 if (size != bytes_read) {
799 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size,
800 bytes_read);
801 return -EIO;
802 }
803
804 return 0;
805}
806
807static int request_dsp(struct uea_softc *sc)
808{
809 int ret;
810 char *dsp_name;
811
c8e46379
SG		 812 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
813 if (IS_ISDN(sc->usb_dev))
814 dsp_name = FW_DIR "DSP4i.bin";
815 else
816 dsp_name = FW_DIR "DSP4p.bin";
817 } else if (UEA_CHIP_VERSION(sc) == ADI930) {
a7a0c9cd 818 if (IS_ISDN(sc->usb_dev))
b72458a8 819 dsp_name = FW_DIR "DSP9i.bin";
820 else
821 dsp_name = FW_DIR "DSP9p.bin";
822 } else {
a7a0c9cd 823 if (IS_ISDN(sc->usb_dev))
b72458a8 824 dsp_name = FW_DIR "DSPei.bin";
825 else
826 dsp_name = FW_DIR "DSPep.bin";
827 }
828
e40abaf6 829 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev);
b72458a8 830 if (ret < 0) {
831 uea_err(INS_TO_USBDEV(sc),
832 "requesting firmware %s failed with error %d\n",
c8e46379 833 dsp_name, ret);
b72458a8 834 return ret;
835 }
836
c8e46379
SG		 837 if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
838 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size);
839 else
840 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size);
841
842 if (ret) {
b72458a8 843 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
844 dsp_name);
845 release_firmware(sc->dsp_firm);
846 sc->dsp_firm = NULL;
847 return -EILSEQ;
848 }
849
850 return 0;
851}
852
853/*
854 * The uea_load_page() function must be called within a process context
855 */
c8e46379 856static void uea_load_page_e1(struct work_struct *work)
b72458a8 857{
c4028958 858 struct uea_softc *sc = container_of(work, struct uea_softc, task);
b72458a8 859 u16 pageno = sc->pageno;
860 u16 ovl = sc->ovl;
c8e46379 861 struct block_info_e1 bi;
b72458a8 862
863 u8 *p;
864 u8 pagecount, blockcount;
865 u16 blockaddr, blocksize;
866 u32 pageoffset;
867 int i;
868
869 /* reload firmware when reboot start and it's loaded already */
870 if (ovl == 0 && pageno == 0 && sc->dsp_firm) {
871 release_firmware(sc->dsp_firm);
872 sc->dsp_firm = NULL;
873 }
874
875 if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
876 return;
877
878 p = sc->dsp_firm->data;
879 pagecount = FW_GET_BYTE(p);
880 p += 1;
881
882 if (pageno >= pagecount)
883 goto bad1;
884
885 p += 4 * pageno;
886 pageoffset = FW_GET_LONG(p);
887
888 if (pageoffset == 0)
889 goto bad1;
890
891 p = sc->dsp_firm->data + pageoffset;
892 blockcount = FW_GET_BYTE(p);
893 p += 1;
894
895 uea_dbg(INS_TO_USBDEV(sc),
896 "sending %u blocks for DSP page %u\n", blockcount, pageno);
897
898 bi.wHdr = cpu_to_le16(UEA_BIHDR);
899 bi.wOvl = cpu_to_le16(ovl);
900 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000);
901
902 for (i = 0; i < blockcount; i++) {
903 blockaddr = FW_GET_WORD(p);
904 p += 2;
905
906 blocksize = FW_GET_WORD(p);
907 p += 2;
908
909 bi.wSize = cpu_to_le16(blocksize);
910 bi.wAddress = cpu_to_le16(blockaddr);
911 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0);
912
913 /* send block info through the IDMA pipe */
c8e46379 914 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE))
b72458a8 915 goto bad2;
916
917 /* send block data through the IDMA pipe */
918 if (uea_idma_write(sc, p, blocksize))
919 goto bad2;
920
921 p += blocksize;
922 }
923
924 return;
925
926bad2:
927 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i);
928 return;
929bad1:
2a99b507 930 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno);
b72458a8 931}
932
c8e46379
SG		 933static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot)
934{
935 struct block_info_e4 bi;
936 struct block_index *blockidx;
937 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data;
938 u8 blockno = p->page_number_to_block_index[pageno];
939
940 bi.wHdr = cpu_to_be16(UEA_BIHDR);
941 bi.bBootPage = boot;
942 bi.bPageNumber = pageno;
943 bi.wReserved = cpu_to_be16(UEA_RESERVED);
944
945 do {
946 u8 *blockoffset;
947 unsigned int blocksize;
948
949 blockidx = &p->page_header[blockno];
950 blocksize = E4_PAGE_BYTES(blockidx->PageSize);
951 blockoffset = sc->dsp_firm->data + le32_to_cpu(blockidx->PageOffset);
952
953 bi.dwSize = cpu_to_be32(blocksize);
954 bi.dwAddress = swab32(blockidx->PageAddress);
955
956 uea_dbg(INS_TO_USBDEV(sc),
957 "sending block %u for DSP page %u size %u adress %x\n",
958 blockno, pageno, blocksize, le32_to_cpu(blockidx->PageAddress));
959
960 /* send block info through the IDMA pipe */
961 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
962 goto bad;
963
964 /* send block data through the IDMA pipe */
965 if (uea_idma_write(sc, blockoffset, blocksize))
966 goto bad;
967
968 blockno++;
969 } while (blockidx->NotLastBlock);
970
971 return;
972
973bad:
974 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno);
975 return;
976}
977
978static void uea_load_page_e4(struct work_struct *work)
979{
980 struct uea_softc *sc = container_of(work, struct uea_softc, task);
981 u8 pageno = sc->pageno;
982 int i;
983 struct block_info_e4 bi;
984 struct l1_code *p;
985
986 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno);
987
988 /* reload firmware when reboot start and it's loaded already */
989 if (pageno == 0 && sc->dsp_firm) {
990 release_firmware(sc->dsp_firm);
991 sc->dsp_firm = NULL;
992 }
993
994 if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
995 return;
996
997 p = (struct l1_code *) sc->dsp_firm->data;
998 if (pageno >= p->page_header[0].PageNumber) {
999 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno);
1000 return;
1001 }
1002
1003 if (pageno != 0) {
1004 __uea_load_page_e4(sc, pageno, 0);
1005 return;
1006 }
1007
1008 uea_dbg(INS_TO_USBDEV(sc),
1009 "sending Main DSP page %u\n", p->page_header[0].PageNumber);
1010
1011 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) {
1012 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize))
1013 __uea_load_page_e4(sc, i, 1);
1014 }
1015
1016 uea_dbg(INS_TO_USBDEV(sc),"sending start bi\n");
1017
1018 bi.wHdr = cpu_to_be16(UEA_BIHDR);
1019 bi.bBootPage = 0;
1020 bi.bPageNumber = 0xff;
1021 bi.wReserved = cpu_to_be16(UEA_RESERVED);
1022 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize));
1023 bi.dwAddress = swab32(p->page_header[0].PageAddress);
1024
1025 /* send block info through the IDMA pipe */
1026 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1027 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n");
1028}
1029
b72458a8 1030static inline void wake_up_cmv_ack(struct uea_softc *sc)
1031{
2a99b507 1032 BUG_ON(sc->cmv_ack);
b72458a8 1033 sc->cmv_ack = 1;
1034 wake_up(&sc->cmv_ack_wait);
1035}
1036
1037static inline int wait_cmv_ack(struct uea_softc *sc)
1038{
531a39bb 1039 int ret = wait_event_interruptible_timeout(sc->cmv_ack_wait,
b72458a8 1040 sc->cmv_ack, ACK_TIMEOUT);
1041 sc->cmv_ack = 0;
1042
2a99b507 1043 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n",
1044 jiffies_to_msecs(ret));
1045
b72458a8 1046 if (ret < 0)
1047 return ret;
1048
1049 return (ret == 0) ? -ETIMEDOUT : 0;
b72458a8 1050}
1051
1052#define UCDC_SEND_ENCAPSULATED_COMMAND 0x00
1053
1054static int uea_request(struct uea_softc *sc,
1055 u16 value, u16 index, u16 size, void *data)
1056{
1057 u8 *xfer_buff;
1058 int ret = -ENOMEM;
1059
5d7efe5b 1060 xfer_buff = kmemdup(data, size, GFP_KERNEL);
b72458a8 1061 if (!xfer_buff) {
1062 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
1063 return ret;
1064 }
b72458a8 1065
1066 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0),
1067 UCDC_SEND_ENCAPSULATED_COMMAND,
1068 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1069 value, index, xfer_buff, size, CTRL_TIMEOUT);
1070
1071 kfree(xfer_buff);
1072 if (ret < 0) {
1073 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret);
1074 return ret;
1075 }
1076
1077 if (ret != size) {
1078 uea_err(INS_TO_USBDEV(sc),
1079 "usb_control_msg send only %d bytes (instead of %d)\n",
1080 ret, size);
1081 return -EIO;
1082 }
1083
1084 return 0;
1085}
1086
c8e46379 1087static int uea_cmv_e1(struct uea_softc *sc,
b72458a8 1088 u8 function, u32 address, u16 offset, u32 data)
1089{
c8e46379 1090 struct cmv_e1 cmv;
b72458a8 1091 int ret;
1092
2a99b507 1093 uea_enters(INS_TO_USBDEV(sc));
1094 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, "
1095 "offset : 0x%04x, data : 0x%08x\n",
c8e46379
SG		 1096 E1_FUNCTION_TYPE(function), E1_FUNCTION_SUBTYPE(function),
1097 E1_GETSA1(address), E1_GETSA2(address), E1_GETSA3(address),
1098 E1_GETSA4(address), offset, data);
1099
b72458a8 1100 /* we send a request, but we expect a reply */
c8e46379
SG		 1101 sc->cmv_dsc.e1.function = function | 0x2;
1102 sc->cmv_dsc.e1.idx++;
1103 sc->cmv_dsc.e1.address = address;
1104 sc->cmv_dsc.e1.offset = offset;
b72458a8 1105
c8e46379
SG		 1106 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE);
1107 cmv.bDirection = E1_HOSTTOMODEM;
b72458a8 1108 cmv.bFunction = function;
c8e46379 1109 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx);
b72458a8 1110 put_unaligned(cpu_to_le32(address), &cmv.dwSymbolicAddress);
1111 cmv.wOffsetAddress = cpu_to_le16(offset);
1112 put_unaligned(cpu_to_le32(data >> 16 | data << 16), &cmv.dwData);
1113
c8e46379
SG		 1114 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START, sizeof(cmv), &cmv);
1115 if (ret < 0)
1116 return ret;
1117 ret = wait_cmv_ack(sc);
1118 uea_leaves(INS_TO_USBDEV(sc));
1119 return ret;
1120}
1121
1122static int uea_cmv_e4(struct uea_softc *sc,
1123 u16 function, u16 group, u16 address, u16 offset, u32 data)
1124{
1125 struct cmv_e4 cmv;
1126 int ret;
1127
1128 uea_enters(INS_TO_USBDEV(sc));
1129 memset(&cmv, 0, sizeof(cmv));
1130
1131 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, "
1132 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n",
1133 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function),
1134 group, address, offset, data);
1135
1136 /* we send a request, but we expect a reply */
1137 sc->cmv_dsc.e4.function = function | (0x1 << 4);
1138 sc->cmv_dsc.e4.offset = offset;
1139 sc->cmv_dsc.e4.address = address;
1140 sc->cmv_dsc.e4.group = group;
1141
1142 cmv.wFunction = cpu_to_be16(function);
1143 cmv.wGroup = cpu_to_be16(group);
1144 cmv.wAddress = cpu_to_be16(address);
1145 cmv.wOffset = cpu_to_be16(offset);
1146 cmv.dwData[0] = cpu_to_be32(data);
1147
1148 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START, sizeof(cmv), &cmv);
b72458a8 1149 if (ret < 0)
1150 return ret;
2a99b507 1151 ret = wait_cmv_ack(sc);
1152 uea_leaves(INS_TO_USBDEV(sc));
1153 return ret;
b72458a8 1154}
1155
c8e46379 1156static inline int uea_read_cmv_e1(struct uea_softc *sc,
b72458a8 1157 u32 address, u16 offset, u32 *data)
1158{
c8e46379 1159 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD),
b72458a8 1160 address, offset, 0);
1161 if (ret < 0)
1162 uea_err(INS_TO_USBDEV(sc),
1163 "reading cmv failed with error %d\n", ret);
1164 else
1165 *data = sc->data;
1166
1167 return ret;
1168}
1169
c8e46379
SG		 1170static inline int uea_read_cmv_e4(struct uea_softc *sc,
1171 u8 size, u16 group, u16 address, u16 offset, u32 *data)
1172{
1173 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, E4_REQUESTREAD, size),
1174 group, address, offset, 0);
1175 if (ret < 0)
1176 uea_err(INS_TO_USBDEV(sc),
1177 "reading cmv failed with error %d\n", ret);
1178 else {
1179 *data = sc->data;
1180 /* size is in 16-bit word quantities */
1181 if (size > 2)
1182 *(data + 1) = sc->data1;
1183 }
1184 return ret;
1185}
1186
1187static inline int uea_write_cmv_e1(struct uea_softc *sc,
b72458a8 1188 u32 address, u16 offset, u32 data)
1189{
c8e46379 1190 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE),
b72458a8 1191 address, offset, data);
1192 if (ret < 0)
1193 uea_err(INS_TO_USBDEV(sc),
1194 "writing cmv failed with error %d\n", ret);
1195
1196 return ret;
1197}
1198
c8e46379
SG		 1199static inline int uea_write_cmv_e4(struct uea_softc *sc,
1200 u8 size, u16 group, u16 address, u16 offset, u32 data)
1201{
1202 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, E4_REQUESTWRITE, size),
1203 group, address, offset, data);
1204 if (ret < 0)
1205 uea_err(INS_TO_USBDEV(sc),
1206 "writing cmv failed with error %d\n", ret);
1207
1208 return ret;
1209}
1210
1211static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate)
1212{
1213 int ret;
1214 u16 timeout;
1215
1216 /* in bulk mode the modem have problem with high rate
1217 * changing internal timing could improve things, but the
1218 * value is misterious.
1219 * ADI930 don't support it (-EPIPE error).
1220 */
1221
1222 if (UEA_CHIP_VERSION(sc) == ADI930 ||
1223 use_iso[sc->modem_index] > 0 ||
1224 sc->stats.phy.dsrate == dsrate)
1225 return;
1226
1227 /* Original timming (1Mbit/s) from ADI (used in windows driver) */
1228 timeout = (dsrate <= 1024*1024) ? 0 : 1;
1229 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL);
1230 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n",
1231 timeout, ret < 0 ? " failed" : "");
1232
1233}
1234
b72458a8 1235/*
1236 * Monitor the modem and update the stat
1237 * return 0 if everything is ok
1238 * return < 0 if an error occurs (-EAGAIN reboot needed)
1239 */
c8e46379 1240static int uea_stat_e1(struct uea_softc *sc)
b72458a8 1241{
1242 u32 data;
1243 int ret;
1244
1245 uea_enters(INS_TO_USBDEV(sc));
1246 data = sc->stats.phy.state;
1247
c8e46379 1248 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state);
b72458a8 1249 if (ret < 0)
1250 return ret;
1251
1252 switch (GET_STATUS(sc->stats.phy.state)) {
1253 case 0: /* not yet synchronized */
1254 uea_dbg(INS_TO_USBDEV(sc),
1255 "modem not yet synchronized\n");
1256 return 0;
1257
1258 case 1: /* initialization */
1259 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1260 return 0;
1261
1262 case 2: /* operational */
1263 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n");
1264 break;
1265
1266 case 3: /* fail ... */
a7a0c9cd 1267 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed"
c8e46379 1268 " (may be try other cmv/dsp)\n");
b72458a8 1269 return -EAGAIN;
1270
1271 case 4 ... 6: /* test state */
1272 uea_warn(INS_TO_USBDEV(sc),
1273 "modem in test mode - not supported\n");
1274 return -EAGAIN;
1275
1276 case 7: /* fast-retain ... */
1277 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n");
1278 return 0;
1279 default:
1280 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n",
1281 GET_STATUS(sc->stats.phy.state));
1282 return -EAGAIN;
1283 }
1284
1285 if (GET_STATUS(data) != 2) {
1286 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1287 uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1288
1289 /* release the dsp firmware as it is not needed until
1290 * the next failure
1291 */
1292 if (sc->dsp_firm) {
1293 release_firmware(sc->dsp_firm);
1294 sc->dsp_firm = NULL;
1295 }
b72458a8 1296 }
1297
1298 /* always update it as atm layer could not be init when we switch to
1299 * operational state
1300 */
1301 UPDATE_ATM_STAT(signal, ATM_PHY_SIG_FOUND);
1302
1303 /* wake up processes waiting for synchronization */
1304 wake_up(&sc->sync_q);
1305
c8e46379 1306 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags);
b72458a8 1307 if (ret < 0)
1308 return ret;
1309 sc->stats.phy.mflags |= sc->stats.phy.flags;
1310
1311 /* in case of a flags ( for example delineation LOSS (& 0x10)),
1312 * we check the status again in order to detect the failure earlier
1313 */
1314 if (sc->stats.phy.flags) {
2a99b507 1315 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
b72458a8 1316 sc->stats.phy.flags);
1317 return 0;
1318 }
1319
c8e46379 1320 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data);
b72458a8 1321 if (ret < 0)
1322 return ret;
1323
c8e46379 1324 uea_set_bulk_timeout(sc, (data >> 16) * 32);
b72458a8 1325 sc->stats.phy.dsrate = (data >> 16) * 32;
1326 sc->stats.phy.usrate = (data & 0xffff) * 32;
1327 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1328
c8e46379 1329 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data);
b72458a8 1330 if (ret < 0)
1331 return ret;
1332 sc->stats.phy.dsattenuation = (data & 0xff) / 2;
1333
c8e46379 1334 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data);
b72458a8 1335 if (ret < 0)
1336 return ret;
1337 sc->stats.phy.usattenuation = (data & 0xff) / 2;
1338
c8e46379 1339 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin);
b72458a8 1340 if (ret < 0)
1341 return ret;
1342
c8e46379 1343 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin);
b72458a8 1344 if (ret < 0)
1345 return ret;
1346
c8e46379 1347 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow);
b72458a8 1348 if (ret < 0)
1349 return ret;
1350
c8e46379 1351 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow);
b72458a8 1352 if (ret < 0)
1353 return ret;
1354
c8e46379 1355 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc);
b72458a8 1356 if (ret < 0)
1357 return ret;
1358
1359 /* only for atu-c */
c8e46379 1360 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc);
b72458a8 1361 if (ret < 0)
1362 return ret;
1363
c8e46379 1364 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr);
b72458a8 1365 if (ret < 0)
1366 return ret;
1367
1368 /* only for atu-c */
c8e46379 1369 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr);
b72458a8 1370 if (ret < 0)
1371 return ret;
1372
c8e46379 1373 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco);
b72458a8 1374 if (ret < 0)
1375 return ret;
1376
c8e46379 1377 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe);
b72458a8 1378 if (ret < 0)
1379 return ret;
1380
1381 return 0;
1382}
1383
c8e46379 1384static int uea_stat_e4(struct uea_softc *sc)
b72458a8 1385{
c8e46379
SG		 1386 u32 data;
1387 u32 tmp_arr[2];
1388 int ret;
1389
1390 uea_enters(INS_TO_USBDEV(sc));
1391 data = sc->stats.phy.state;
1392
1393 /* XXX only need to be done before operationnal... */
1394 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state);
1395 if (ret < 0)
1396 return ret;
1397
1398 switch (sc->stats.phy.state) {
1399 case 0x0: /* not yet synchronized */
1400 case 0x1:
1401 case 0x3:
1402 case 0x4:
1403 uea_dbg(INS_TO_USBDEV(sc), "modem not yet synchronized\n");
1404 return 0;
1405 case 0x5: /* initialization */
1406 case 0x6:
1407 case 0x9:
1408 case 0xa:
1409 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1410 return 0;
1411 case 0x2: /* fail ... */
1412 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed"
1413 " (may be try other cmv/dsp)\n");
1414 return -EAGAIN;
1415 case 0x7: /* operational */
1416 break;
1417 default:
1418 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n", sc->stats.phy.state);
1419 return 0;
1420 }
1421
1422 if (data != 7) {
1423 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1424 uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1425
1426 /* release the dsp firmware as it is not needed until
1427 * the next failure
1428 */
1429 if (sc->dsp_firm) {
1430 release_firmware(sc->dsp_firm);
1431 sc->dsp_firm = NULL;
1432 }
1433 }
1434
1435 /* always update it as atm layer could not be init when we switch to
1436 * operational state
1437 */
1438 UPDATE_ATM_STAT(signal, ATM_PHY_SIG_FOUND);
1439
1440 /* wake up processes waiting for synchronization */
1441 wake_up(&sc->sync_q);
1442
1443 /* TODO improve this state machine :
1444 * we need some CMV info : what they do and their unit
1445 * we should find the equivalent of eagle3- CMV
1446 */
1447 /* check flags */
1448 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags);
1449 if (ret < 0)
1450 return ret;
1451 sc->stats.phy.mflags |= sc->stats.phy.flags;
1452
1453 /* in case of a flags ( for example delineation LOSS (& 0x10)),
1454 * we check the status again in order to detect the failure earlier
1455 */
1456 if (sc->stats.phy.flags) {
1457 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1458 sc->stats.phy.flags);
1459 if (sc->stats.phy.flags & 1) //delineation LOSS
1460 return -EAGAIN;
1461 if (sc->stats.phy.flags & 0x4000) //Reset Flag
1462 return -EAGAIN;
1463 return 0;
1464 }
1465
1466 /* rate data may be in upper or lower half of 64 bit word, strange */
1467 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr);
1468 if (ret < 0)
1469 return ret;
1470 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1471 sc->stats.phy.usrate = data / 1000;
1472
1473 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr);
1474 if (ret < 0)
1475 return ret;
1476 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1477 uea_set_bulk_timeout(sc, data / 1000);
1478 sc->stats.phy.dsrate = data / 1000;
1479 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1480
1481 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data);
1482 if (ret < 0)
1483 return ret;
1484 sc->stats.phy.dsattenuation = data / 10;
1485
1486 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data);
1487 if (ret < 0)
1488 return ret;
1489 sc->stats.phy.usattenuation = data / 10;
1490
1491 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data);
1492 if (ret < 0)
1493 return ret;
1494 sc->stats.phy.dsmargin = data / 2;
1495
1496 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data);
1497 if (ret < 0)
1498 return ret;
1499 sc->stats.phy.usmargin = data / 10;
1500
1501 return 0;
1502}
1503
1504static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver)
1505{
1506 char file_arr[] = "CMVxy.bin";
b72458a8 1507 char *file;
b72458a8 1508
c8e46379 1509 /* set proper name corresponding modem version and line type */
b72458a8 1510 if (cmv_file[sc->modem_index] == NULL) {
1511 if (UEA_CHIP_VERSION(sc) == ADI930)
c8e46379
SG		 1512 file_arr[3] = '9';
1513 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1514 file_arr[3] = '4';
b72458a8 1515 else
c8e46379
SG		 1516 file_arr[3] = 'e';
1517
1518 file_arr[4] = IS_ISDN(sc->usb_dev) ? 'i' : 'p';
1519 file = file_arr;
b72458a8 1520 } else
1521 file = cmv_file[sc->modem_index];
1522
1523 strcpy(cmv_name, FW_DIR);
c8e46379
SG		 1524 strlcat(cmv_name, file, FIRMWARE_NAME_MAX);
1525 if (ver == 2)
1526 strlcat(cmv_name, ".v2", FIRMWARE_NAME_MAX);
1527}
1528
1529static int request_cmvs_old(struct uea_softc *sc,
1530 void **cmvs, const struct firmware **fw)
1531{
1532 int ret, size;
1533 u8 *data;
1534 char cmv_name[FIRMWARE_NAME_MAX]; /* 30 bytes stack variable */
b72458a8 1535
c8e46379 1536 cmvs_file_name(sc, cmv_name, 1);
b72458a8 1537 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1538 if (ret < 0) {
1539 uea_err(INS_TO_USBDEV(sc),
1540 "requesting firmware %s failed with error %d\n",
1541 cmv_name, ret);
1542 return ret;
1543 }
1544
1545 data = (u8 *) (*fw)->data;
c8e46379
SG		 1546 size = (*fw)->size;
1547 if (size < 1)
1548 goto err_fw_corrupted;
1549
1550 if (size != *data * sizeof(struct uea_cmvs_v1) + 1)
1551 goto err_fw_corrupted;
1552
1553 *cmvs = (void *)(data + 1);
1554 return *data;
1555
1556err_fw_corrupted:
1557 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1558 release_firmware(*fw);
1559 return -EILSEQ;
1560}
1561
1562static int request_cmvs(struct uea_softc *sc,
1563 void **cmvs, const struct firmware **fw, int *ver)
1564{
1565 int ret, size;
1566 u32 crc;
1567 u8 *data;
1568 char cmv_name[FIRMWARE_NAME_MAX]; /* 30 bytes stack variable */
1569
1570 cmvs_file_name(sc, cmv_name, 2);
1571 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1572 if (ret < 0) {
1573 /* if caller can handle old version, try to provide it */
1574 if (*ver == 1) {
1575 uea_warn(INS_TO_USBDEV(sc), "requesting firmware %s failed, "
1576 "try to get older cmvs\n", cmv_name);
1577 return request_cmvs_old(sc, cmvs, fw);
1578 }
1579 uea_err(INS_TO_USBDEV(sc),
1580 "requesting firmware %s failed with error %d\n",
1581 cmv_name, ret);
1582 return ret;
1583 }
1584
1585 size = (*fw)->size;
1586 data = (u8 *) (*fw)->data;
1587 if (size < 4 || strncmp(data, "cmv2", 4) != 0) {
1588 if (*ver == 1) {
1589 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted, "
1590 "try to get older cmvs\n", cmv_name);
1591 release_firmware(*fw);
1592 return request_cmvs_old(sc, cmvs, fw);
1593 }
1594 goto err_fw_corrupted;
b72458a8 1595 }
1596
c8e46379
SG		 1597 *ver = 2;
1598
1599 data += 4;
1600 size -= 4;
1601 if (size < 5)
1602 goto err_fw_corrupted;
1603
1604 crc = FW_GET_LONG(data);
1605 data += 4;
1606 size -= 4;
1607 if (crc32_be(0, data, size) != crc)
1608 goto err_fw_corrupted;
1609
1610 if (size != *data * sizeof(struct uea_cmvs_v2) + 1)
1611 goto err_fw_corrupted;
1612
1613 *cmvs = (void *) (data + 1);
b72458a8 1614 return *data;
c8e46379
SG		 1615
1616err_fw_corrupted:
1617 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1618 release_firmware(*fw);
1619 return -EILSEQ;
1620}
1621
1622static int uea_send_cmvs_e1(struct uea_softc *sc)
1623{
1624 int i, ret, len;
1625 void *cmvs_ptr;
1626 const struct firmware *cmvs_fw;
1627 int ver = 1; // we can handle v1 cmv firmware version;
1628
1629 /* Enter in R-IDLE (cmv) until instructed otherwise */
1630 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1);
1631 if (ret < 0)
1632 return ret;
1633
1634 /* Dump firmware version */
1635 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid);
1636 if (ret < 0)
1637 return ret;
1638 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1639 sc->stats.phy.firmid);
1640
1641 /* get options */
1642 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1643 if (ret < 0)
1644 return ret;
1645
1646 /* send options */
1647 if (ver == 1) {
1648 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr;
1649
1650 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, "
1651 "please update your firmware\n");
1652
1653 for (i = 0; i < len; i++) {
1654 ret = uea_write_cmv_e1(sc, FW_GET_LONG(&cmvs_v1[i].address),
1655 FW_GET_WORD(&cmvs_v1[i].offset),
1656 FW_GET_LONG(&cmvs_v1[i].data));
1657 if (ret < 0)
1658 goto out;
1659 }
1660 } else if (ver == 2) {
1661 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1662
1663 for (i = 0; i < len; i++) {
1664 ret = uea_write_cmv_e1(sc, FW_GET_LONG(&cmvs_v2[i].address),
1665 (u16) FW_GET_LONG(&cmvs_v2[i].offset),
1666 FW_GET_LONG(&cmvs_v2[i].data));
1667 if (ret < 0)
1668 goto out;
1669 }
1670 } else {
1671 /* This realy should not happen */
1672 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1673 goto out;
1674 }
1675
1676 /* Enter in R-ACT-REQ */
1677 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2);
1678 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1679 uea_info(INS_TO_USBDEV(sc), "modem started, waiting synchronization...\n");
1680out:
1681 release_firmware(cmvs_fw);
1682 return ret;
1683}
1684
1685static int uea_send_cmvs_e4(struct uea_softc *sc)
1686{
1687 int i, ret, len;
1688 void *cmvs_ptr;
1689 const struct firmware *cmvs_fw;
1690 int ver = 2; // we can only handle v2 cmv firmware version;
1691
1692 /* Enter in R-IDLE (cmv) until instructed otherwise */
1693 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1);
1694 if (ret < 0)
1695 return ret;
1696
1697 /* Dump firmware version */
1698 /* XXX don't read the 3th byte as it is always 6 */
1699 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid);
1700 if (ret < 0)
1701 return ret;
1702 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1703 sc->stats.phy.firmid);
1704
1705
1706 /* get options */
1707 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1708 if (ret < 0)
1709 return ret;
1710
1711 /* send options */
1712 if (ver == 2) {
1713 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1714
1715 for (i = 0; i < len; i++) {
1716 ret = uea_write_cmv_e4(sc, 1,
1717 FW_GET_LONG(&cmvs_v2[i].group),
1718 FW_GET_LONG(&cmvs_v2[i].address),
1719 FW_GET_LONG(&cmvs_v2[i].offset),
1720 FW_GET_LONG(&cmvs_v2[i].data));
1721 if (ret < 0)
1722 goto out;
1723 }
1724 } else {
1725 /* This realy should not happen */
1726 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1727 goto out;
1728 }
1729
1730 /* Enter in R-ACT-REQ */
1731 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2);
1732 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1733 uea_info(INS_TO_USBDEV(sc), "modem started, waiting synchronization...\n");
1734out:
1735 release_firmware(cmvs_fw);
1736 return ret;
b72458a8 1737}
1738
1739/* Start boot post firmware modem:
1740 * - send reset commands through usb control pipe
1741 * - start workqueue for DSP loading
1742 * - send CMV options to modem
1743 */
1744
1745static int uea_start_reset(struct uea_softc *sc)
1746{
1747 u16 zero = 0; /* ;-) */
c8e46379 1748 int ret;
b72458a8 1749
1750 uea_enters(INS_TO_USBDEV(sc));
1751 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n");
1752
22fcceb5 1753 /* mask interrupt */
b72458a8 1754 sc->booting = 1;
22fcceb5 1755 /* We need to set this here because, a ack timeout could have occured,
1756 * but before we start the reboot, the ack occurs and set this to 1.
1757 * So we will failed to wait Ready CMV.
1758 */
1759 sc->cmv_ack = 0;
b72458a8 1760 UPDATE_ATM_STAT(signal, ATM_PHY_SIG_LOST);
1761
1762 /* reset statistics */
1763 memset(&sc->stats, 0, sizeof(struct uea_stats));
1764
1765 /* tell the modem that we want to boot in IDMA mode */
1766 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
1767 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL);
1768
1769 /* enter reset mode */
1770 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL);
1771
1772 /* original driver use 200ms, but windows driver use 100ms */
1773 msleep(100);
1774
1775 /* leave reset mode */
1776 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL);
1777
c8e46379
SG		 1778 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) {
1779 /* clear tx and rx mailboxes */
1780 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero);
1781 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero);
1782 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero);
1783 }
b72458a8 1784
1785 msleep(1000);
c8e46379
SG		 1786
1787 if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1788 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, E4_MODEMREADY, 1);
1789 else
1790 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, E1_MODEMREADY);
1791
22fcceb5 1792 /* demask interrupt */
b72458a8 1793 sc->booting = 0;
1794
1795 /* start loading DSP */
1796 sc->pageno = 0;
1797 sc->ovl = 0;
1798 schedule_work(&sc->task);
1799
1800 /* wait for modem ready CMV */
1801 ret = wait_cmv_ack(sc);
1802 if (ret < 0)
1803 return ret;
1804
2a99b507 1805 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n");
1806
c8e46379 1807 ret = sc->send_cmvs(sc);
b72458a8 1808 if (ret < 0)
1809 return ret;
1810
b72458a8 1811 sc->reset = 0;
1812 uea_leaves(INS_TO_USBDEV(sc));
1813 return ret;
1814}
1815
1816/*
1817 * In case of an error wait 1s before rebooting the modem
1818 * if the modem don't request reboot (-EAGAIN).
1819 * Monitor the modem every 1s.
1820 */
1821
1822static int uea_kthread(void *data)
1823{
1824 struct uea_softc *sc = data;
1825 int ret = -EAGAIN;
1826
83144186 1827 set_freezable();
b72458a8 1828 uea_enters(INS_TO_USBDEV(sc));
1829 while (!kthread_should_stop()) {
1830 if (ret < 0 || sc->reset)
1831 ret = uea_start_reset(sc);
1832 if (!ret)
c8e46379 1833 ret = sc->stat(sc);
b72458a8 1834 if (ret != -EAGAIN)
531a39bb 1835 msleep_interruptible(1000);
9ca53464 1836 if (try_to_freeze())
1837 uea_err(INS_TO_USBDEV(sc), "suspend/resume not supported, "
1838 "please unplug/replug your modem\n");
b72458a8 1839 }
1840 uea_leaves(INS_TO_USBDEV(sc));
1841 return ret;
1842}
1843
1844/* Load second usb firmware for ADI930 chip */
1845static int load_XILINX_firmware(struct uea_softc *sc)
1846{
1847 const struct firmware *fw_entry;
1848 int ret, size, u, ln;
1849 u8 *pfw, value;
1850 char *fw_name = FW_DIR "930-fpga.bin";
1851
1852 uea_enters(INS_TO_USBDEV(sc));
1853
1854 ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev);
1855 if (ret) {
1856 uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n",
1857 fw_name);
1858 goto err0;
1859 }
1860
1861 pfw = fw_entry->data;
1862 size = fw_entry->size;
1863 if (size != 0x577B) {
1864 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
1865 fw_name);
1866 ret = -EILSEQ;
1867 goto err1;
1868 }
1869 for (u = 0; u < size; u += ln) {
1870 ln = min(size - u, 64);
1871 ret = uea_request(sc, 0xe, 0, ln, pfw + u);
1872 if (ret < 0) {
1873 uea_err(INS_TO_USBDEV(sc),
1874 "elsa download data failed (%d)\n", ret);
1875 goto err1;
1876 }
1877 }
1878
e40abaf6 1879 /* finish to send the fpga */
b72458a8 1880 ret = uea_request(sc, 0xe, 1, 0, NULL);
1881 if (ret < 0) {
1882 uea_err(INS_TO_USBDEV(sc),
1883 "elsa download data failed (%d)\n", ret);
1884 goto err1;
1885 }
1886
e40abaf6 1887 /* Tell the modem we finish : de-assert reset */
b72458a8 1888 value = 0;
1889 ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value);
1890 if (ret < 0)
1891 uea_err(sc->usb_dev, "elsa de-assert failed with error %d\n", ret);
1892
b72458a8 1893err1:
1894 release_firmware(fw_entry);
1895err0:
1896 uea_leaves(INS_TO_USBDEV(sc));
1897 return ret;
1898}
1899
e40abaf6 1900/* The modem send us an ack. First with check if it right */
c8e46379 1901static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr)
b72458a8 1902{
c8e46379
SG		 1903 struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1;
1904 struct cmv_e1 *cmv = &intr->u.e1.s2.cmv;
1905
b72458a8 1906 uea_enters(INS_TO_USBDEV(sc));
c8e46379 1907 if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE)
b72458a8 1908 goto bad1;
1909
c8e46379 1910 if (cmv->bDirection != E1_MODEMTOHOST)
b72458a8 1911 goto bad1;
1912
1913 /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to
1914 * the first MEMACESS cmv. Ignore it...
1915 */
c8e46379 1916 if (cmv->bFunction != dsc->function) {
b72458a8 1917 if (UEA_CHIP_VERSION(sc) == ADI930
c8e46379
SG		 1918 && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) {
1919 cmv->wIndex = cpu_to_le16(dsc->idx);
1920 put_unaligned(cpu_to_le32(dsc->address), &cmv->dwSymbolicAddress);
1921 cmv->wOffsetAddress = cpu_to_le16(dsc->offset);
1922 } else
b72458a8 1923 goto bad2;
1924 }
1925
c8e46379 1926 if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, E1_MODEMREADY)) {
b72458a8 1927 wake_up_cmv_ack(sc);
2a99b507 1928 uea_leaves(INS_TO_USBDEV(sc));
b72458a8 1929 return;
1930 }
1931
1932 /* in case of MEMACCESS */
c8e46379
SG		 1933 if (le16_to_cpu(cmv->wIndex) != dsc->idx ||
1934 le32_to_cpu(get_unaligned(&cmv->dwSymbolicAddress)) != dsc->address ||
1935 le16_to_cpu(cmv->wOffsetAddress) != dsc->offset)
b72458a8 1936 goto bad2;
1937
1938 sc->data = le32_to_cpu(get_unaligned(&cmv->dwData));
1939 sc->data = sc->data << 16 | sc->data >> 16;
1940
1941 wake_up_cmv_ack(sc);
2a99b507 1942 uea_leaves(INS_TO_USBDEV(sc));
b72458a8 1943 return;
1944
1945bad2:
1946 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received,"
1947 "Function : %d, Subfunction : %d\n",
c8e46379
SG		 1948 E1_FUNCTION_TYPE(cmv->bFunction),
1949 E1_FUNCTION_SUBTYPE(cmv->bFunction));
2a99b507 1950 uea_leaves(INS_TO_USBDEV(sc));
b72458a8 1951 return;
1952
1953bad1:
1954 uea_err(INS_TO_USBDEV(sc), "invalid cmv received, "
1955 "wPreamble %d, bDirection %d\n",
1956 le16_to_cpu(cmv->wPreamble), cmv->bDirection);
2a99b507 1957 uea_leaves(INS_TO_USBDEV(sc));
b72458a8 1958}
1959
c8e46379
SG		 1960/* The modem send us an ack. First with check if it right */
1961static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr)
1962{
1963 struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4;
1964 struct cmv_e4 *cmv = &intr->u.e4.s2.cmv;
1965
1966 uea_enters(INS_TO_USBDEV(sc));
1967 uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n",
1968 be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction),
1969 be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress),
1970 be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1]));
1971
1972 if (be16_to_cpu(cmv->wFunction) != dsc->function)
1973 goto bad2;
1974
1975 if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, E4_MODEMREADY, 1)) {
1976 wake_up_cmv_ack(sc);
1977 uea_leaves(INS_TO_USBDEV(sc));
1978 return;
1979 }
1980
1981 /* in case of MEMACCESS */
1982 if (be16_to_cpu(cmv->wOffset) != dsc->offset ||
1983 be16_to_cpu(cmv->wGroup) != dsc->group ||
1984 be16_to_cpu(cmv->wAddress) != dsc->address)
1985 goto bad2;
1986
1987 sc->data = be32_to_cpu(cmv->dwData[0]);
1988 sc->data1 = be32_to_cpu(cmv->dwData[1]);
1989 wake_up_cmv_ack(sc);
1990 uea_leaves(INS_TO_USBDEV(sc));
1991 return;
1992
1993bad2:
1994 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received,"
1995 "Function : %d, Subfunction : %d\n",
1996 E4_FUNCTION_TYPE(cmv->wFunction),
1997 E4_FUNCTION_SUBTYPE(cmv->wFunction));
1998 uea_leaves(INS_TO_USBDEV(sc));
1999 return;
2000}
2001
2002static void uea_schedule_load_page_e1(struct uea_softc *sc, struct intr_pkt *intr)
2003{
2004 sc->pageno = intr->e1_bSwapPageNo;
2005 sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4;
2006 schedule_work(&sc->task);
2007}
2008
2009static void uea_schedule_load_page_e4(struct uea_softc *sc, struct intr_pkt *intr)
2010{
2011 sc->pageno = intr->e4_bSwapPageNo;
2012 schedule_work(&sc->task);
2013}
2014
b72458a8 2015/*
2016 * interrupt handler
2017 */
7d12e780 2018static void uea_intr(struct urb *urb)
b72458a8 2019{
e40abaf6 2020 struct uea_softc *sc = urb->context;
2021 struct intr_pkt *intr = urb->transfer_buffer;
508330eb
GKH		 2022 int status = urb->status;
2023
b72458a8 2024 uea_enters(INS_TO_USBDEV(sc));
2025
508330eb 2026 if (unlikely(status < 0)) {
b72458a8 2027 uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n",
508330eb 2028 status);
b72458a8 2029 return;
2030 }
2031
b72458a8 2032 /* device-to-host interrupt */
2033 if (intr->bType != 0x08 || sc->booting) {
e40abaf6 2034 uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n");
b72458a8 2035 goto resubmit;
2036 }
2037
2038 switch (le16_to_cpu(intr->wInterrupt)) {
2039 case INT_LOADSWAPPAGE:
c8e46379 2040 sc->schedule_load_page(sc, intr);
b72458a8 2041 break;
2042
2043 case INT_INCOMINGCMV:
c8e46379 2044 sc->dispatch_cmv(sc, intr);
b72458a8 2045 break;
2046
2047 default:
e40abaf6 2048 uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n",
b72458a8 2049 le16_to_cpu(intr->wInterrupt));
2050 }
2051
2052resubmit:
2053 usb_submit_urb(sc->urb_int, GFP_ATOMIC);
2054}
2055
2056/*
2057 * Start the modem : init the data and start kernel thread
2058 */
2059static int uea_boot(struct uea_softc *sc)
2060{
c8e46379 2061 int ret, size;
b72458a8 2062 struct intr_pkt *intr;
2063
2064 uea_enters(INS_TO_USBDEV(sc));
2065
c8e46379
SG		 2066 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2067 size = E4_INTR_PKT_SIZE;
2068 sc->dispatch_cmv = uea_dispatch_cmv_e4;
2069 sc->schedule_load_page = uea_schedule_load_page_e4;
2070 sc->stat = uea_stat_e4;
2071 sc->send_cmvs = uea_send_cmvs_e4;
2072 INIT_WORK(&sc->task, uea_load_page_e4);
2073 } else {
2074 size = E1_INTR_PKT_SIZE;
2075 sc->dispatch_cmv = uea_dispatch_cmv_e1;
2076 sc->schedule_load_page = uea_schedule_load_page_e1;
2077 sc->stat = uea_stat_e1;
2078 sc->send_cmvs = uea_send_cmvs_e1;
2079 INIT_WORK(&sc->task, uea_load_page_e1);
2080 }
2081
b72458a8 2082 init_waitqueue_head(&sc->sync_q);
2083 init_waitqueue_head(&sc->cmv_ack_wait);
2084
2085 if (UEA_CHIP_VERSION(sc) == ADI930)
2086 load_XILINX_firmware(sc);
2087
c8e46379 2088 intr = kmalloc(size, GFP_KERNEL);
b72458a8 2089 if (!intr) {
2090 uea_err(INS_TO_USBDEV(sc),
2091 "cannot allocate interrupt package\n");
2092 uea_leaves(INS_TO_USBDEV(sc));
2093 return -ENOMEM;
2094 }
2095
2096 sc->urb_int = usb_alloc_urb(0, GFP_KERNEL);
2097 if (!sc->urb_int) {
2098 uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n");
2099 goto err;
2100 }
2101
2102 usb_fill_int_urb(sc->urb_int, sc->usb_dev,
2103 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE),
c8e46379 2104 intr, size, uea_intr, sc,
b72458a8 2105 sc->usb_dev->actconfig->interface[0]->altsetting[0].
2106 endpoint[0].desc.bInterval);
2107
2108 ret = usb_submit_urb(sc->urb_int, GFP_KERNEL);
2109 if (ret < 0) {
2110 uea_err(INS_TO_USBDEV(sc),
2111 "urb submition failed with error %d\n", ret);
4d45e218 2112 goto err;
b72458a8 2113 }
2114
2115 sc->kthread = kthread_run(uea_kthread, sc, "ueagle-atm");
2116 if (sc->kthread == ERR_PTR(-ENOMEM)) {
2117 uea_err(INS_TO_USBDEV(sc), "failed to create thread\n");
2118 goto err2;
2119 }
2120
2121 uea_leaves(INS_TO_USBDEV(sc));
2122 return 0;
2123
2124err2:
2125 usb_kill_urb(sc->urb_int);
b72458a8 2126err:
2127 usb_free_urb(sc->urb_int);
4d45e218 2128 sc->urb_int = NULL;
2129 kfree(intr);
b72458a8 2130 uea_leaves(INS_TO_USBDEV(sc));
2131 return -ENOMEM;
2132}
2133
2134/*
2135 * Stop the modem : kill kernel thread and free data
2136 */
2137static void uea_stop(struct uea_softc *sc)
2138{
2139 int ret;
2140 uea_enters(INS_TO_USBDEV(sc));
2141 ret = kthread_stop(sc->kthread);
e40abaf6 2142 uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret);
b72458a8 2143
2144 /* stop any pending boot process */
2145 flush_scheduled_work();
2146
2147 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
2148
2149 usb_kill_urb(sc->urb_int);
2150 kfree(sc->urb_int->transfer_buffer);
2151 usb_free_urb(sc->urb_int);
2152
2153 if (sc->dsp_firm)
2154 release_firmware(sc->dsp_firm);
2155 uea_leaves(INS_TO_USBDEV(sc));
2156}
2157
2158/* syfs interface */
2159static struct uea_softc *dev_to_uea(struct device *dev)
2160{
2161 struct usb_interface *intf;
2162 struct usbatm_data *usbatm;
2163
2164 intf = to_usb_interface(dev);
2165 if (!intf)
2166 return NULL;
2167
2168 usbatm = usb_get_intfdata(intf);
2169 if (!usbatm)
2170 return NULL;
2171
2172 return usbatm->driver_data;
2173}
2174
2175static ssize_t read_status(struct device *dev, struct device_attribute *attr,
2176 char *buf)
2177{
2178 int ret = -ENODEV;
2179 struct uea_softc *sc;
2180
ab3c81ff 2181 mutex_lock(&uea_mutex);
b72458a8 2182 sc = dev_to_uea(dev);
2183 if (!sc)
2184 goto out;
2185 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state);
2186out:
ab3c81ff 2187 mutex_unlock(&uea_mutex);
b72458a8 2188 return ret;
2189}
2190
2191static ssize_t reboot(struct device *dev, struct device_attribute *attr,
2192 const char *buf, size_t count)
2193{
2194 int ret = -ENODEV;
2195 struct uea_softc *sc;
2196
ab3c81ff 2197 mutex_lock(&uea_mutex);
b72458a8 2198 sc = dev_to_uea(dev);
2199 if (!sc)
2200 goto out;
2201 sc->reset = 1;
2202 ret = count;
2203out:
ab3c81ff 2204 mutex_unlock(&uea_mutex);
b72458a8 2205 return ret;
2206}
2207
2208static DEVICE_ATTR(stat_status, S_IWUGO | S_IRUGO, read_status, reboot);
2209
2210static ssize_t read_human_status(struct device *dev, struct device_attribute *attr,
2211 char *buf)
2212{
2213 int ret = -ENODEV;
c8e46379 2214 int modem_state;
b72458a8 2215 struct uea_softc *sc;
2216
ab3c81ff 2217 mutex_lock(&uea_mutex);
b72458a8 2218 sc = dev_to_uea(dev);
2219 if (!sc)
2220 goto out;
2221
c8e46379
SG		 2222 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2223 switch (sc->stats.phy.state) {
2224 case 0x0: /* not yet synchronized */
2225 case 0x1:
2226 case 0x3:
2227 case 0x4:
2228 modem_state = 0;
2229 break;
2230 case 0x5: /* initialization */
2231 case 0x6:
2232 case 0x9:
2233 case 0xa:
2234 modem_state = 1;
2235 break;
2236 case 0x7: /* operational */
2237 modem_state = 2;
2238 break;
2239 case 0x2: /* fail ... */
2240 modem_state = 3;
2241 break;
2242 default: /* unknown */
2243 modem_state = 4;
2244 break;
2245 }
2246 } else
2247 modem_state = GET_STATUS(sc->stats.phy.state);
2248
2249 switch (modem_state) {
b72458a8 2250 case 0:
2251 ret = sprintf(buf, "Modem is booting\n");
2252 break;
2253 case 1:
2254 ret = sprintf(buf, "Modem is initializing\n");
2255 break;
2256 case 2:
2257 ret = sprintf(buf, "Modem is operational\n");
2258 break;
c8e46379 2259 case 3:
b72458a8 2260 ret = sprintf(buf, "Modem synchronization failed\n");
2261 break;
c8e46379
SG		 2262 default:
2263 ret = sprintf(buf, "Modem state is unknown\n");
2264 break;
b72458a8 2265 }
2266out:
ab3c81ff 2267 mutex_unlock(&uea_mutex);
b72458a8 2268 return ret;
2269}
2270
2271static DEVICE_ATTR(stat_human_status, S_IWUGO | S_IRUGO, read_human_status, NULL);
2272
2273static ssize_t read_delin(struct device *dev, struct device_attribute *attr,
2274 char *buf)
2275{
2276 int ret = -ENODEV;
2277 struct uea_softc *sc;
c8e46379 2278 char *delin = "GOOD";
b72458a8 2279
ab3c81ff 2280 mutex_lock(&uea_mutex);
b72458a8 2281 sc = dev_to_uea(dev);
2282 if (!sc)
2283 goto out;
2284
c8e46379
SG		 2285 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2286 if (sc->stats.phy.flags & 0x4000)
2287 delin = "RESET";
2288 else if (sc->stats.phy.flags & 0x0001)
2289 delin = "LOSS";
2290 } else {
2291 if (sc->stats.phy.flags & 0x0C00)
2292 delin = "ERROR";
2293 else if (sc->stats.phy.flags & 0x0030)
2294 delin = "LOSS";
2295 }
2296
2297 ret = sprintf(buf, "%s\n", delin);
b72458a8 2298out:
ab3c81ff 2299 mutex_unlock(&uea_mutex);
b72458a8 2300 return ret;
2301}
2302
2303static DEVICE_ATTR(stat_delin, S_IWUGO | S_IRUGO, read_delin, NULL);
2304
2305#define UEA_ATTR(name, reset) \
2306 \
2307static ssize_t read_##name(struct device *dev, \
2308 struct device_attribute *attr, char *buf) \
2309{ \
2310 int ret = -ENODEV; \
2311 struct uea_softc *sc; \
2312 \
2a99b507 2313 mutex_lock(&uea_mutex); \
b72458a8 2314 sc = dev_to_uea(dev); \
2315 if (!sc) \
2316 goto out; \
2317 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \
2318 if (reset) \
2319 sc->stats.phy.name = 0; \
2320out: \
2a99b507 2321 mutex_unlock(&uea_mutex); \
b72458a8 2322 return ret; \
2323} \
2324 \
2325static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL)
2326
2327UEA_ATTR(mflags, 1);
2328UEA_ATTR(vidcpe, 0);
2329UEA_ATTR(usrate, 0);
2330UEA_ATTR(dsrate, 0);
2331UEA_ATTR(usattenuation, 0);
2332UEA_ATTR(dsattenuation, 0);
2333UEA_ATTR(usmargin, 0);
2334UEA_ATTR(dsmargin, 0);
2335UEA_ATTR(txflow, 0);
2336UEA_ATTR(rxflow, 0);
2337UEA_ATTR(uscorr, 0);
2338UEA_ATTR(dscorr, 0);
2339UEA_ATTR(usunc, 0);
2340UEA_ATTR(dsunc, 0);
a7a0c9cd 2341UEA_ATTR(firmid, 0);
b72458a8 2342
2343/* Retrieve the device End System Identifier (MAC) */
2344
2345#define htoi(x) (isdigit(x) ? x-'0' : toupper(x)-'A'+10)
2346static int uea_getesi(struct uea_softc *sc, u_char * esi)
2347{
2348 unsigned char mac_str[2 * ETH_ALEN + 1];
2349 int i;
2350 if (usb_string
2351 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str,
2352 sizeof(mac_str)) != 2 * ETH_ALEN)
2353 return 1;
2354
2355 for (i = 0; i < ETH_ALEN; i++)
2356 esi[i] = htoi(mac_str[2 * i]) * 16 + htoi(mac_str[2 * i + 1]);
2357
2358 return 0;
2359}
2360
2361/* ATM stuff */
2362static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev)
2363{
2364 struct uea_softc *sc = usbatm->driver_data;
2365
2366 return uea_getesi(sc, atm_dev->esi);
2367}
2368
2369static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf)
2370{
2371 struct uea_softc *sc = usbatm->driver_data;
2372
531a39bb 2373 wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc));
b72458a8 2374
2375 return 0;
2376
2377}
2378
2379static int claim_interface(struct usb_device *usb_dev,
2380 struct usbatm_data *usbatm, int ifnum)
2381{
2382 int ret;
2383 struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum);
2384
2385 if (!intf) {
2386 uea_err(usb_dev, "interface %d not found\n", ifnum);
2387 return -ENODEV;
2388 }
2389
2390 ret = usb_driver_claim_interface(&uea_driver, intf, usbatm);
2391 if (ret != 0)
2392 uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum,
2393 ret);
2394 return ret;
2395}
2396
e7ccdfec
GKH		 2397static struct attribute *attrs[] = {
2398 &dev_attr_stat_status.attr,
2399 &dev_attr_stat_mflags.attr,
2400 &dev_attr_stat_human_status.attr,
2401 &dev_attr_stat_delin.attr,
2402 &dev_attr_stat_vidcpe.attr,
2403 &dev_attr_stat_usrate.attr,
2404 &dev_attr_stat_dsrate.attr,
2405 &dev_attr_stat_usattenuation.attr,
2406 &dev_attr_stat_dsattenuation.attr,
2407 &dev_attr_stat_usmargin.attr,
2408 &dev_attr_stat_dsmargin.attr,
2409 &dev_attr_stat_txflow.attr,
2410 &dev_attr_stat_rxflow.attr,
2411 &dev_attr_stat_uscorr.attr,
2412 &dev_attr_stat_dscorr.attr,
2413 &dev_attr_stat_usunc.attr,
2414 &dev_attr_stat_dsunc.attr,
a7a0c9cd 2415 &dev_attr_stat_firmid.attr,
9ab99c8c 2416 NULL,
e7ccdfec
GKH		 2417};
2418static struct attribute_group attr_grp = {
2419 .attrs = attrs,
2420};
2421
b72458a8 2422static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
35644b0c 2423 const struct usb_device_id *id)
b72458a8 2424{
2425 struct usb_device *usb = interface_to_usbdev(intf);
2426 struct uea_softc *sc;
2427 int ret, ifnum = intf->altsetting->desc.bInterfaceNumber;
2428
2429 uea_enters(usb);
2430
2431 /* interface 0 is for firmware/monitoring */
2432 if (ifnum != UEA_INTR_IFACE_NO)
2433 return -ENODEV;
2434
0dfcd3e4 2435 usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT);
b72458a8 2436
2437 /* interface 1 is for outbound traffic */
2438 ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO);
2439 if (ret < 0)
2440 return ret;
2441
e40abaf6 2442 /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */
b72458a8 2443 if (UEA_CHIP_VERSION(id) != ADI930) {
2444 /* interface 2 is for inbound traffic */
2445 ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO);
2446 if (ret < 0)
2447 return ret;
2448 }
2449
2450 sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL);
2451 if (!sc) {
584958c3 2452 uea_err(usb, "uea_init: not enough memory !\n");
b72458a8 2453 return -ENOMEM;
2454 }
2455
2456 sc->usb_dev = usb;
2457 usbatm->driver_data = sc;
2458 sc->usbatm = usbatm;
2459 sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0;
2460 sc->driver_info = id->driver_info;
2461
3c9666cc 2462 /* ADI930 don't support iso */
2463 if (UEA_CHIP_VERSION(id) != ADI930 && use_iso[sc->modem_index]) {
2464 int i;
2465
2466 /* try set fastest alternate for inbound traffic interface */
2467 for (i = FASTEST_ISO_INTF; i > 0; i--)
2468 if (usb_set_interface(usb, UEA_DS_IFACE_NO, i) == 0)
2469 break;
2470
2471 if (i > 0) {
2472 uea_dbg(usb, "set alternate %d for 2 interface\n", i);
2473 uea_info(usb, "using iso mode\n");
2474 usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ;
2475 } else {
2476 uea_err(usb, "setting any alternate failed for "
2477 "2 interface, using bulk mode\n");
2478 }
2479 }
2480
9ab99c8c 2481 ret = sysfs_create_group(&intf->dev.kobj, &attr_grp);
2482 if (ret < 0)
2483 goto error;
2484
b72458a8 2485 ret = uea_boot(sc);
9ab99c8c 2486 if (ret < 0)
4c132e77 2487 goto error_rm_grp;
b72458a8 2488
b72458a8 2489 return 0;
4c132e77
SG		 2490
2491error_rm_grp:
2492 sysfs_remove_group(&intf->dev.kobj, &attr_grp);
9ab99c8c 2493error:
2494 kfree(sc);
2495 return ret;
b72458a8 2496}
2497
2498static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf)
2499{
2500 struct uea_softc *sc = usbatm->driver_data;
2501
9ab99c8c 2502 sysfs_remove_group(&intf->dev.kobj, &attr_grp);
b72458a8 2503 uea_stop(sc);
2504 kfree(sc);
2505}
2506
2507static struct usbatm_driver uea_usbatm_driver = {
2508 .driver_name = "ueagle-atm",
b72458a8 2509 .bind = uea_bind,
2510 .atm_start = uea_atm_open,
2511 .unbind = uea_unbind,
2512 .heavy_init = uea_heavy,
80aae7a1
DS		 2513 .bulk_in = UEA_BULK_DATA_PIPE,
2514 .bulk_out = UEA_BULK_DATA_PIPE,
3c9666cc 2515 .isoc_in = UEA_ISO_DATA_PIPE,
b72458a8 2516};
2517
2518static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id)
2519{
2520 struct usb_device *usb = interface_to_usbdev(intf);
2521
2522 uea_enters(usb);
a7a0c9cd 2523 uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) : %s %s\n",
b72458a8 2524 le16_to_cpu(usb->descriptor.idVendor),
2525 le16_to_cpu(usb->descriptor.idProduct),
a7a0c9cd 2526 chip_name[UEA_CHIP_VERSION(id)], IS_ISDN(usb)?"isdn":"pots");
b72458a8 2527
2528 usb_reset_device(usb);
2529
2530 if (UEA_IS_PREFIRM(id))
2531 return uea_load_firmware(usb, UEA_CHIP_VERSION(id));
2532
2533 return usbatm_usb_probe(intf, id, &uea_usbatm_driver);
2534}
2535
2536static void uea_disconnect(struct usb_interface *intf)
2537{
2538 struct usb_device *usb = interface_to_usbdev(intf);
2539 int ifnum = intf->altsetting->desc.bInterfaceNumber;
2540 uea_enters(usb);
2541
2542 /* ADI930 has 2 interfaces and eagle 3 interfaces.
2543 * Pre-firmware device has one interface
2544 */
2545 if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) {
ab3c81ff 2546 mutex_lock(&uea_mutex);
b72458a8 2547 usbatm_usb_disconnect(intf);
ab3c81ff 2548 mutex_unlock(&uea_mutex);
b72458a8 2549 uea_info(usb, "ADSL device removed\n");
2550 }
2551
2552 uea_leaves(usb);
2553}
2554
2555/*
2556 * List of supported VID/PID
2557 */
2558static const struct usb_device_id uea_ids[] = {
2559 {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), .driver_info = ADI930 | PREFIRM},
2560 {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), .driver_info = ADI930 | PSTFIRM},
2561 {USB_DEVICE(EAGLE_VID, EAGLE_I_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2562 {USB_DEVICE(EAGLE_VID, EAGLE_I_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM},
2563 {USB_DEVICE(EAGLE_VID, EAGLE_II_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM},
2564 {USB_DEVICE(EAGLE_VID, EAGLE_II_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM},
2565 {USB_DEVICE(EAGLE_VID, EAGLE_IIC_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM},
2566 {USB_DEVICE(EAGLE_VID, EAGLE_IIC_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM},
2567 {USB_DEVICE(EAGLE_VID, EAGLE_III_PID_PREFIRM), .driver_info = EAGLE_III | PREFIRM},
2568 {USB_DEVICE(EAGLE_VID, EAGLE_III_PID_PSTFIRM), .driver_info = EAGLE_III | PSTFIRM},
c8e46379
SG		 2569 {USB_DEVICE(EAGLE_VID, EAGLE_IV_PID_PREFIRM), .driver_info = EAGLE_IV | PREFIRM},
2570 {USB_DEVICE(EAGLE_VID, EAGLE_IV_PID_PSTFIRM), .driver_info = EAGLE_IV | PSTFIRM},
b72458a8 2571 {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2572 {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM},
2573 {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2574 {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM},
2575 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM},
2576 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM},
2577 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM},
2578 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM},
2579 {}
2580};
2581
2582/*
2583 * USB driver descriptor
2584 */
2585static struct usb_driver uea_driver = {
b72458a8 2586 .name = "ueagle-atm",
2587 .id_table = uea_ids,
2588 .probe = uea_probe,
2589 .disconnect = uea_disconnect,
2590};
2591
2592MODULE_DEVICE_TABLE(usb, uea_ids);
2593
2594/**
2595 * uea_init - Initialize the module.
2596 * Register to USB subsystem
2597 */
2598static int __init uea_init(void)
2599{
2600 printk(KERN_INFO "[ueagle-atm] driver " EAGLEUSBVERSION " loaded\n");
2601
2602 usb_register(&uea_driver);
2603
2604 return 0;
2605}
2606
2607module_init(uea_init);
2608
2609/**
2610 * uea_exit - Destroy module
2611 * Deregister with USB subsystem
2612 */
2613static void __exit uea_exit(void)
2614{
2615 /*
2616 * This calls automatically the uea_disconnect method if necessary:
2617 */
2618 usb_deregister(&uea_driver);
2619
2620 printk(KERN_INFO "[ueagle-atm] driver unloaded\n");
2621}
2622
2623module_exit(uea_exit);
2624
2625MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka");
2626MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver");
2627MODULE_LICENSE("Dual BSD/GPL");
Linux kernel - Deliverables
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