1// SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
2/*
3 * Copyright (c) 2003, 2004
4 *	Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
5 *
6 * Copyright (c) 2005-2007 Matthieu Castet <castet.matthieu@free.fr>
7 * Copyright (c) 2005-2007 Stanislaw Gruszka <stf_xl@wp.pl>
8 *
9 * HISTORY : some part of the code was base on ueagle 1.3 BSD driver,
10 * Damien Bergamini agree to put his code under a DUAL GPL/BSD license.
11 *
12 * The rest of the code was rewritten from scratch.
13 */
14
15#include <linux/module.h>
16#include <linux/moduleparam.h>
17#include <linux/crc32.h>
18#include <linux/usb.h>
19#include <linux/firmware.h>
20#include <linux/ctype.h>
21#include <linux/sched.h>
22#include <linux/kthread.h>
23#include <linux/mutex.h>
24#include <linux/freezer.h>
25#include <linux/slab.h>
26#include <linux/kernel.h>
27
28#include <asm/unaligned.h>
29
30#include "usbatm.h"
31
32#define EAGLEUSBVERSION "ueagle 1.4"
33
34
35/*
36 * Debug macros
37 */
38#define uea_dbg(usb_dev, format, args...)	\
39	do { \
40		if (debug >= 1) \
41			dev_dbg(&(usb_dev)->dev, \
42				"[ueagle-atm dbg] %s: " format, \
43					__func__, ##args); \
44	} while (0)
45
46#define uea_vdbg(usb_dev, format, args...)	\
47	do { \
48		if (debug >= 2) \
49			dev_dbg(&(usb_dev)->dev, \
50				"[ueagle-atm vdbg]  " format, ##args); \
51	} while (0)
52
53#define uea_enters(usb_dev) \
54	uea_vdbg(usb_dev, "entering %s\n" , __func__)
55
56#define uea_leaves(usb_dev) \
57	uea_vdbg(usb_dev, "leaving  %s\n" , __func__)
58
59#define uea_err(usb_dev, format, args...) \
60	dev_err(&(usb_dev)->dev , "[UEAGLE-ATM] " format , ##args)
61
62#define uea_warn(usb_dev, format, args...) \
63	dev_warn(&(usb_dev)->dev , "[Ueagle-atm] " format, ##args)
64
65#define uea_info(usb_dev, format, args...) \
66	dev_info(&(usb_dev)->dev , "[ueagle-atm] " format, ##args)
67
68struct intr_pkt;
69
70/* cmv's from firmware */
71struct uea_cmvs_v1 {
72	u32 address;
73	u16 offset;
74	u32 data;
75} __packed;
76
77struct uea_cmvs_v2 {
78	u32 group;
79	u32 address;
80	u32 offset;
81	u32 data;
82} __packed;
83
84/* information about currently processed cmv */
85struct cmv_dsc_e1 {
86	u8 function;
87	u16 idx;
88	u32 address;
89	u16 offset;
90};
91
92struct cmv_dsc_e4 {
93	u16 function;
94	u16 offset;
95	u16 address;
96	u16 group;
97};
98
99union cmv_dsc {
100	struct cmv_dsc_e1 e1;
101	struct cmv_dsc_e4 e4;
102};
103
104struct uea_softc {
105	struct usb_device *usb_dev;
106	struct usbatm_data *usbatm;
107
108	int modem_index;
109	unsigned int driver_info;
110	int annex;
111#define ANNEXA 0
112#define ANNEXB 1
113
114	int booting;
115	int reset;
116
117	wait_queue_head_t sync_q;
118
119	struct task_struct *kthread;
120	u32 data;
121	u32 data1;
122
123	int cmv_ack;
124	union cmv_dsc cmv_dsc;
125
126	struct work_struct task;
127	u16 pageno;
128	u16 ovl;
129
130	const struct firmware *dsp_firm;
131	struct urb *urb_int;
132
133	void (*dispatch_cmv)(struct uea_softc *, struct intr_pkt *);
134	void (*schedule_load_page)(struct uea_softc *, struct intr_pkt *);
135	int (*stat)(struct uea_softc *);
136	int (*send_cmvs)(struct uea_softc *);
137
138	/* keep in sync with eaglectl */
139	struct uea_stats {
140		struct {
141			u32 state;
142			u32 flags;
143			u32 mflags;
144			u32 vidcpe;
145			u32 vidco;
146			u32 dsrate;
147			u32 usrate;
148			u32 dsunc;
149			u32 usunc;
150			u32 dscorr;
151			u32 uscorr;
152			u32 txflow;
153			u32 rxflow;
154			u32 usattenuation;
155			u32 dsattenuation;
156			u32 dsmargin;
157			u32 usmargin;
158			u32 firmid;
159		} phy;
160	} stats;
161};
162
163/*
164 * Elsa IDs
165 */
166#define ELSA_VID		0x05CC
167#define ELSA_PID_PSTFIRM	0x3350
168#define ELSA_PID_PREFIRM	0x3351
169
170#define ELSA_PID_A_PREFIRM	0x3352
171#define ELSA_PID_A_PSTFIRM	0x3353
172#define ELSA_PID_B_PREFIRM	0x3362
173#define ELSA_PID_B_PSTFIRM	0x3363
174
175/*
176 * Devolo IDs : pots if (pid & 0x10)
177 */
178#define DEVOLO_VID			0x1039
179#define DEVOLO_EAGLE_I_A_PID_PSTFIRM	0x2110
180#define DEVOLO_EAGLE_I_A_PID_PREFIRM	0x2111
181
182#define DEVOLO_EAGLE_I_B_PID_PSTFIRM	0x2100
183#define DEVOLO_EAGLE_I_B_PID_PREFIRM	0x2101
184
185#define DEVOLO_EAGLE_II_A_PID_PSTFIRM	0x2130
186#define DEVOLO_EAGLE_II_A_PID_PREFIRM	0x2131
187
188#define DEVOLO_EAGLE_II_B_PID_PSTFIRM	0x2120
189#define DEVOLO_EAGLE_II_B_PID_PREFIRM	0x2121
190
191/*
192 * Reference design USB IDs
193 */
194#define ANALOG_VID		0x1110
195#define ADI930_PID_PREFIRM	0x9001
196#define ADI930_PID_PSTFIRM	0x9000
197
198#define EAGLE_I_PID_PREFIRM	0x9010	/* Eagle I */
199#define EAGLE_I_PID_PSTFIRM	0x900F	/* Eagle I */
200
201#define EAGLE_IIC_PID_PREFIRM	0x9024	/* Eagle IIC */
202#define EAGLE_IIC_PID_PSTFIRM	0x9023	/* Eagle IIC */
203
204#define EAGLE_II_PID_PREFIRM	0x9022	/* Eagle II */
205#define EAGLE_II_PID_PSTFIRM	0x9021	/* Eagle II */
206
207#define EAGLE_III_PID_PREFIRM	0x9032	/* Eagle III */
208#define EAGLE_III_PID_PSTFIRM	0x9031	/* Eagle III */
209
210#define EAGLE_IV_PID_PREFIRM	0x9042  /* Eagle IV */
211#define EAGLE_IV_PID_PSTFIRM	0x9041  /* Eagle IV */
212
213/*
214 * USR USB IDs
215 */
216#define USR_VID			0x0BAF
217#define MILLER_A_PID_PREFIRM	0x00F2
218#define MILLER_A_PID_PSTFIRM	0x00F1
219#define MILLER_B_PID_PREFIRM	0x00FA
220#define MILLER_B_PID_PSTFIRM	0x00F9
221#define HEINEKEN_A_PID_PREFIRM	0x00F6
222#define HEINEKEN_A_PID_PSTFIRM	0x00F5
223#define HEINEKEN_B_PID_PREFIRM	0x00F8
224#define HEINEKEN_B_PID_PSTFIRM	0x00F7
225
226#define PREFIRM 0
227#define PSTFIRM (1<<7)
228#define AUTO_ANNEX_A (1<<8)
229#define AUTO_ANNEX_B (1<<9)
230
231enum {
232	ADI930 = 0,
233	EAGLE_I,
234	EAGLE_II,
235	EAGLE_III,
236	EAGLE_IV
237};
238
239/* macros for both struct usb_device_id and struct uea_softc */
240#define UEA_IS_PREFIRM(x) \
241	(!((x)->driver_info & PSTFIRM))
242#define UEA_CHIP_VERSION(x) \
243	((x)->driver_info & 0xf)
244
245#define IS_ISDN(x) \
246	((x)->annex & ANNEXB)
247
248#define INS_TO_USBDEV(ins) (ins->usb_dev)
249
250#define GET_STATUS(data) \
251	((data >> 8) & 0xf)
252
253#define IS_OPERATIONAL(sc) \
254	((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \
255	(GET_STATUS(sc->stats.phy.state) == 2) : \
256	(sc->stats.phy.state == 7))
257
258/*
259 * Set of macros to handle unaligned data in the firmware blob.
260 * The FW_GET_BYTE() macro is provided only for consistency.
261 */
262
263#define FW_GET_BYTE(p) (*((__u8 *) (p)))
264
265#define FW_DIR "ueagle-atm/"
266#define EAGLE_FIRMWARE FW_DIR "eagle.fw"
267#define ADI930_FIRMWARE FW_DIR "adi930.fw"
268#define EAGLE_I_FIRMWARE FW_DIR "eagleI.fw"
269#define EAGLE_II_FIRMWARE FW_DIR "eagleII.fw"
270#define EAGLE_III_FIRMWARE FW_DIR "eagleIII.fw"
271#define EAGLE_IV_FIRMWARE FW_DIR "eagleIV.fw"
272
273#define DSP4I_FIRMWARE FW_DIR "DSP4i.bin"
274#define DSP4P_FIRMWARE FW_DIR "DSP4p.bin"
275#define DSP9I_FIRMWARE FW_DIR "DSP9i.bin"
276#define DSP9P_FIRMWARE FW_DIR "DSP9p.bin"
277#define DSPEI_FIRMWARE FW_DIR "DSPei.bin"
278#define DSPEP_FIRMWARE FW_DIR "DSPep.bin"
279#define FPGA930_FIRMWARE FW_DIR "930-fpga.bin"
280
281#define CMV4P_FIRMWARE FW_DIR "CMV4p.bin"
282#define CMV4PV2_FIRMWARE FW_DIR "CMV4p.bin.v2"
283#define CMV4I_FIRMWARE FW_DIR "CMV4i.bin"
284#define CMV4IV2_FIRMWARE FW_DIR "CMV4i.bin.v2"
285#define CMV9P_FIRMWARE FW_DIR "CMV9p.bin"
286#define CMV9PV2_FIRMWARE FW_DIR "CMV9p.bin.v2"
287#define CMV9I_FIRMWARE FW_DIR "CMV9i.bin"
288#define CMV9IV2_FIRMWARE FW_DIR "CMV9i.bin.v2"
289#define CMVEP_FIRMWARE FW_DIR "CMVep.bin"
290#define CMVEPV2_FIRMWARE FW_DIR "CMVep.bin.v2"
291#define CMVEI_FIRMWARE FW_DIR "CMVei.bin"
292#define CMVEIV2_FIRMWARE FW_DIR "CMVei.bin.v2"
293
294#define UEA_FW_NAME_MAX 30
295#define NB_MODEM 4
296
297#define BULK_TIMEOUT 300
298#define CTRL_TIMEOUT 1000
299
300#define ACK_TIMEOUT msecs_to_jiffies(3000)
301
302#define UEA_INTR_IFACE_NO	0
303#define UEA_US_IFACE_NO		1
304#define UEA_DS_IFACE_NO		2
305
306#define FASTEST_ISO_INTF	8
307
308#define UEA_BULK_DATA_PIPE	0x02
309#define UEA_IDMA_PIPE		0x04
310#define UEA_INTR_PIPE		0x04
311#define UEA_ISO_DATA_PIPE	0x08
312
313#define UEA_E1_SET_BLOCK	0x0001
314#define UEA_E4_SET_BLOCK	0x002c
315#define UEA_SET_MODE		0x0003
316#define UEA_SET_2183_DATA	0x0004
317#define UEA_SET_TIMEOUT		0x0011
318
319#define UEA_LOOPBACK_OFF	0x0002
320#define UEA_LOOPBACK_ON		0x0003
321#define UEA_BOOT_IDMA		0x0006
322#define UEA_START_RESET		0x0007
323#define UEA_END_RESET		0x0008
324
325#define UEA_SWAP_MAILBOX	(0x3fcd | 0x4000)
326#define UEA_MPTX_START		(0x3fce | 0x4000)
327#define UEA_MPTX_MAILBOX	(0x3fd6 | 0x4000)
328#define UEA_MPRX_MAILBOX	(0x3fdf | 0x4000)
329
330/* block information in eagle4 dsp firmware  */
331struct block_index {
332	__le32 PageOffset;
333	__le32 NotLastBlock;
334	__le32 dummy;
335	__le32 PageSize;
336	__le32 PageAddress;
337	__le16 dummy1;
338	__le16 PageNumber;
339} __packed;
340
341#define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000)
342#define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4)
343
344#define E4_L1_STRING_HEADER 0x10
345#define E4_MAX_PAGE_NUMBER 0x58
346#define E4_NO_SWAPPAGE_HEADERS 0x31
347
348/* l1_code is eagle4 dsp firmware format */
349struct l1_code {
350	u8 string_header[E4_L1_STRING_HEADER];
351	u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER];
352	struct block_index page_header[E4_NO_SWAPPAGE_HEADERS];
353	u8 code[];
354} __packed;
355
356/* structures describing a block within a DSP page */
357struct block_info_e1 {
358	__le16 wHdr;
359	__le16 wAddress;
360	__le16 wSize;
361	__le16 wOvlOffset;
362	__le16 wOvl;		/* overlay */
363	__le16 wLast;
364} __packed;
365#define E1_BLOCK_INFO_SIZE 12
366
367struct block_info_e4 {
368	__be16 wHdr;
369	__u8 bBootPage;
370	__u8 bPageNumber;
371	__be32 dwSize;
372	__be32 dwAddress;
373	__be16 wReserved;
374} __packed;
375#define E4_BLOCK_INFO_SIZE 14
376
377#define UEA_BIHDR 0xabcd
378#define UEA_RESERVED 0xffff
379
380/* constants describing cmv type */
381#define E1_PREAMBLE 0x535c
382#define E1_MODEMTOHOST 0x01
383#define E1_HOSTTOMODEM 0x10
384
385#define E1_MEMACCESS 0x1
386#define E1_ADSLDIRECTIVE 0x7
387#define E1_FUNCTION_TYPE(f) ((f) >> 4)
388#define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f)
389
390#define E4_MEMACCESS 0
391#define E4_ADSLDIRECTIVE 0xf
392#define E4_FUNCTION_TYPE(f) ((f) >> 8)
393#define E4_FUNCTION_SIZE(f) ((f) & 0x0f)
394#define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f)
395
396/* for MEMACCESS */
397#define E1_REQUESTREAD	0x0
398#define E1_REQUESTWRITE	0x1
399#define E1_REPLYREAD	0x2
400#define E1_REPLYWRITE	0x3
401
402#define E4_REQUESTREAD	0x0
403#define E4_REQUESTWRITE	0x4
404#define E4_REPLYREAD	(E4_REQUESTREAD | 1)
405#define E4_REPLYWRITE	(E4_REQUESTWRITE | 1)
406
407/* for ADSLDIRECTIVE */
408#define E1_KERNELREADY 0x0
409#define E1_MODEMREADY  0x1
410
411#define E4_KERNELREADY 0x0
412#define E4_MODEMREADY  0x1
413
414#define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf))
415#define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | \
416	((st) & 0xf) << 4 | ((s) & 0xf))
417
418#define E1_MAKESA(a, b, c, d)						\
419	(((c) & 0xff) << 24 |						\
420	 ((d) & 0xff) << 16 |						\
421	 ((a) & 0xff) << 8  |						\
422	 ((b) & 0xff))
423
424#define E1_GETSA1(a) ((a >> 8) & 0xff)
425#define E1_GETSA2(a) (a & 0xff)
426#define E1_GETSA3(a) ((a >> 24) & 0xff)
427#define E1_GETSA4(a) ((a >> 16) & 0xff)
428
429#define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L')
430#define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G')
431#define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O')
432#define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N')
433#define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E')
434#define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T')
435
436#define E4_SA_CNTL 1
437#define E4_SA_STAT 2
438#define E4_SA_INFO 3
439#define E4_SA_TEST 4
440#define E4_SA_OPTN 5
441#define E4_SA_RATE 6
442#define E4_SA_DIAG 7
443#define E4_SA_CNFG 8
444
445/* structures representing a CMV (Configuration and Management Variable) */
446struct cmv_e1 {
447	__le16 wPreamble;
448	__u8 bDirection;
449	__u8 bFunction;
450	__le16 wIndex;
451	__le32 dwSymbolicAddress;
452	__le16 wOffsetAddress;
453	__le32 dwData;
454} __packed;
455
456struct cmv_e4 {
457	__be16 wGroup;
458	__be16 wFunction;
459	__be16 wOffset;
460	__be16 wAddress;
461	__be32 dwData[6];
462} __packed;
463
464/* structures representing swap information */
465struct swap_info_e1 {
466	__u8 bSwapPageNo;
467	__u8 bOvl;		/* overlay */
468} __packed;
469
470struct swap_info_e4 {
471	__u8 bSwapPageNo;
472} __packed;
473
474/* structures representing interrupt data */
475#define e1_bSwapPageNo	u.e1.s1.swapinfo.bSwapPageNo
476#define e1_bOvl		u.e1.s1.swapinfo.bOvl
477#define e4_bSwapPageNo  u.e4.s1.swapinfo.bSwapPageNo
478
479#define INT_LOADSWAPPAGE 0x0001
480#define INT_INCOMINGCMV  0x0002
481
482union intr_data_e1 {
483	struct {
484		struct swap_info_e1 swapinfo;
485		__le16 wDataSize;
486	} __packed s1;
487	struct {
488		struct cmv_e1 cmv;
489		__le16 wDataSize;
490	} __packed s2;
491} __packed;
492
493union intr_data_e4 {
494	struct {
495		struct swap_info_e4 swapinfo;
496		__le16 wDataSize;
497	} __packed s1;
498	struct {
499		struct cmv_e4 cmv;
500		__le16 wDataSize;
501	} __packed s2;
502} __packed;
503
504struct intr_pkt {
505	__u8 bType;
506	__u8 bNotification;
507	__le16 wValue;
508	__le16 wIndex;
509	__le16 wLength;
510	__le16 wInterrupt;
511	union {
512		union intr_data_e1 e1;
513		union intr_data_e4 e4;
514	} u;
515} __packed;
516
517#define E1_INTR_PKT_SIZE 28
518#define E4_INTR_PKT_SIZE 64
519
520static struct usb_driver uea_driver;
521static DEFINE_MUTEX(uea_mutex);
522static const char * const chip_name[] = {
523	"ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"};
524
525static int modem_index;
526static unsigned int debug;
527static unsigned int altsetting[NB_MODEM] = {
528				[0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF};
529static bool sync_wait[NB_MODEM];
530static char *cmv_file[NB_MODEM];
531static int annex[NB_MODEM];
532
533module_param(debug, uint, 0644);
534MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)");
535module_param_array(altsetting, uint, NULL, 0644);
536MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, "
537			     "1=isoc slowest, ... , 8=isoc fastest (default)");
538module_param_array(sync_wait, bool, NULL, 0644);
539MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM");
540module_param_array(cmv_file, charp, NULL, 0644);
541MODULE_PARM_DESC(cmv_file,
542		"file name with configuration and management variables");
543module_param_array(annex, uint, NULL, 0644);
544MODULE_PARM_DESC(annex,
545		"manually set annex a/b (0=auto, 1=annex a, 2=annex b)");
546
547#define uea_wait(sc, cond, timeo) \
548({ \
549	int _r = wait_event_interruptible_timeout(sc->sync_q, \
550			(cond) || kthread_should_stop(), timeo); \
551	if (kthread_should_stop()) \
552		_r = -ENODEV; \
553	_r; \
554})
555
556#define UPDATE_ATM_STAT(type, val) \
557	do { \
558		if (sc->usbatm->atm_dev) \
559			sc->usbatm->atm_dev->type = val; \
560	} while (0)
561
562#define UPDATE_ATM_SIGNAL(val) \
563	do { \
564		if (sc->usbatm->atm_dev) \
565			atm_dev_signal_change(sc->usbatm->atm_dev, val); \
566	} while (0)
567
568
569/* Firmware loading */
570#define LOAD_INTERNAL     0xA0
571#define F8051_USBCS       0x7f92
572
573/*
574 * uea_send_modem_cmd - Send a command for pre-firmware devices.
575 */
576static int uea_send_modem_cmd(struct usb_device *usb,
577			      u16 addr, u16 size, const u8 *buff)
578{
579	int ret = -ENOMEM;
580	u8 *xfer_buff;
581
582	xfer_buff = kmemdup(buff, size, GFP_KERNEL);
583	if (xfer_buff) {
584		ret = usb_control_msg(usb,
585				      usb_sndctrlpipe(usb, 0),
586				      LOAD_INTERNAL,
587				      USB_DIR_OUT | USB_TYPE_VENDOR |
588				      USB_RECIP_DEVICE, addr, 0, xfer_buff,
589				      size, CTRL_TIMEOUT);
590		kfree(xfer_buff);
591	}
592
593	if (ret < 0)
594		return ret;
595
596	return (ret == size) ? 0 : -EIO;
597}
598
599static void uea_upload_pre_firmware(const struct firmware *fw_entry,
600								void *context)
601{
602	struct usb_device *usb = context;
603	const u8 *pfw;
604	u8 value;
605	u32 crc = 0;
606	int ret, size;
607
608	uea_enters(usb);
609	if (!fw_entry) {
610		uea_err(usb, "firmware is not available\n");
611		goto err;
612	}
613
614	pfw = fw_entry->data;
615	size = fw_entry->size;
616	if (size < 4)
617		goto err_fw_corrupted;
618
619	crc = get_unaligned_le32(pfw);
620	pfw += 4;
621	size -= 4;
622	if (crc32_be(0, pfw, size) != crc)
623		goto err_fw_corrupted;
624
625	/*
626	 * Start to upload firmware : send reset
627	 */
628	value = 1;
629	ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value);
630
631	if (ret < 0) {
632		uea_err(usb, "modem reset failed with error %d\n", ret);
633		goto err;
634	}
635
636	while (size > 3) {
637		u8 len = FW_GET_BYTE(pfw);
638		u16 add = get_unaligned_le16(pfw + 1);
639
640		size -= len + 3;
641		if (size < 0)
642			goto err_fw_corrupted;
643
644		ret = uea_send_modem_cmd(usb, add, len, pfw + 3);
645		if (ret < 0) {
646			uea_err(usb, "uploading firmware data failed "
647					"with error %d\n", ret);
648			goto err;
649		}
650		pfw += len + 3;
651	}
652
653	if (size != 0)
654		goto err_fw_corrupted;
655
656	/*
657	 * Tell the modem we finish : de-assert reset
658	 */
659	value = 0;
660	ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value);
661	if (ret < 0)
662		uea_err(usb, "modem de-assert failed with error %d\n", ret);
663	else
664		uea_info(usb, "firmware uploaded\n");
665
666	goto err;
667
668err_fw_corrupted:
669	uea_err(usb, "firmware is corrupted\n");
670err:
671	release_firmware(fw_entry);
672	uea_leaves(usb);
673}
674
675/*
676 * uea_load_firmware - Load usb firmware for pre-firmware devices.
677 */
678static int uea_load_firmware(struct usb_device *usb, unsigned int ver)
679{
680	int ret;
681	char *fw_name = EAGLE_FIRMWARE;
682
683	uea_enters(usb);
684	uea_info(usb, "pre-firmware device, uploading firmware\n");
685
686	switch (ver) {
687	case ADI930:
688		fw_name = ADI930_FIRMWARE;
689		break;
690	case EAGLE_I:
691		fw_name = EAGLE_I_FIRMWARE;
692		break;
693	case EAGLE_II:
694		fw_name = EAGLE_II_FIRMWARE;
695		break;
696	case EAGLE_III:
697		fw_name = EAGLE_III_FIRMWARE;
698		break;
699	case EAGLE_IV:
700		fw_name = EAGLE_IV_FIRMWARE;
701		break;
702	}
703
704	ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev,
705					GFP_KERNEL, usb,
706					uea_upload_pre_firmware);
707	if (ret)
708		uea_err(usb, "firmware %s is not available\n", fw_name);
709	else
710		uea_info(usb, "loading firmware %s\n", fw_name);
711
712	uea_leaves(usb);
713	return ret;
714}
715
716/* modem management : dsp firmware, send/read CMV, monitoring statistic
717 */
718
719/*
720 * Make sure that the DSP code provided is safe to use.
721 */
722static int check_dsp_e1(const u8 *dsp, unsigned int len)
723{
724	u8 pagecount, blockcount;
725	u16 blocksize;
726	u32 pageoffset;
727	unsigned int i, j, p, pp;
728
729	pagecount = FW_GET_BYTE(dsp);
730	p = 1;
731
732	/* enough space for page offsets? */
733	if (p + 4 * pagecount > len)
734		return 1;
735
736	for (i = 0; i < pagecount; i++) {
737
738		pageoffset = get_unaligned_le32(dsp + p);
739		p += 4;
740
741		if (pageoffset == 0)
742			continue;
743
744		/* enough space for blockcount? */
745		if (pageoffset >= len)
746			return 1;
747
748		pp = pageoffset;
749		blockcount = FW_GET_BYTE(dsp + pp);
750		pp += 1;
751
752		for (j = 0; j < blockcount; j++) {
753
754			/* enough space for block header? */
755			if (pp + 4 > len)
756				return 1;
757
758			pp += 2;	/* skip blockaddr */
759			blocksize = get_unaligned_le16(dsp + pp);
760			pp += 2;
761
762			/* enough space for block data? */
763			if (pp + blocksize > len)
764				return 1;
765
766			pp += blocksize;
767		}
768	}
769
770	return 0;
771}
772
773static int check_dsp_e4(const u8 *dsp, int len)
774{
775	int i;
776	struct l1_code *p = (struct l1_code *) dsp;
777	unsigned int sum = p->code - dsp;
778
779	if (len < sum)
780		return 1;
781
782	if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 &&
783	    strcmp("STRATIPHY ANEXB", p->string_header) != 0)
784		return 1;
785
786	for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) {
787		struct block_index *blockidx;
788		u8 blockno = p->page_number_to_block_index[i];
789		if (blockno >= E4_NO_SWAPPAGE_HEADERS)
790			continue;
791
792		do {
793			u64 l;
794
795			if (blockno >= E4_NO_SWAPPAGE_HEADERS)
796				return 1;
797
798			blockidx = &p->page_header[blockno++];
799			if ((u8 *)(blockidx + 1) - dsp  >= len)
800				return 1;
801
802			if (le16_to_cpu(blockidx->PageNumber) != i)
803				return 1;
804
805			l = E4_PAGE_BYTES(blockidx->PageSize);
806			sum += l;
807			l += le32_to_cpu(blockidx->PageOffset);
808			if (l > len)
809				return 1;
810
811		/* zero is zero regardless endianes */
812		} while (blockidx->NotLastBlock);
813	}
814
815	return (sum == len) ? 0 : 1;
816}
817
818/*
819 * send data to the idma pipe
820 * */
821static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size)
822{
823	int ret = -ENOMEM;
824	u8 *xfer_buff;
825	int bytes_read;
826
827	xfer_buff = kmemdup(data, size, GFP_KERNEL);
828	if (!xfer_buff) {
829		uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
830		return ret;
831	}
832
833	ret = usb_bulk_msg(sc->usb_dev,
834			 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE),
835			 xfer_buff, size, &bytes_read, BULK_TIMEOUT);
836
837	kfree(xfer_buff);
838	if (ret < 0)
839		return ret;
840	if (size != bytes_read) {
841		uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size,
842		       bytes_read);
843		return -EIO;
844	}
845
846	return 0;
847}
848
849static int request_dsp(struct uea_softc *sc)
850{
851	int ret;
852	char *dsp_name;
853
854	if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
855		if (IS_ISDN(sc))
856			dsp_name = DSP4I_FIRMWARE;
857		else
858			dsp_name = DSP4P_FIRMWARE;
859	} else if (UEA_CHIP_VERSION(sc) == ADI930) {
860		if (IS_ISDN(sc))
861			dsp_name = DSP9I_FIRMWARE;
862		else
863			dsp_name = DSP9P_FIRMWARE;
864	} else {
865		if (IS_ISDN(sc))
866			dsp_name = DSPEI_FIRMWARE;
867		else
868			dsp_name = DSPEP_FIRMWARE;
869	}
870
871	ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev);
872	if (ret < 0) {
873		uea_err(INS_TO_USBDEV(sc),
874		       "requesting firmware %s failed with error %d\n",
875			dsp_name, ret);
876		return ret;
877	}
878
879	if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
880		ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size);
881	else
882		ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size);
883
884	if (ret) {
885		uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
886		       dsp_name);
887		release_firmware(sc->dsp_firm);
888		sc->dsp_firm = NULL;
889		return -EILSEQ;
890	}
891
892	return 0;
893}
894
895/*
896 * The uea_load_page() function must be called within a process context
897 */
898static void uea_load_page_e1(struct work_struct *work)
899{
900	struct uea_softc *sc = container_of(work, struct uea_softc, task);
901	u16 pageno = sc->pageno;
902	u16 ovl = sc->ovl;
903	struct block_info_e1 bi;
904
905	const u8 *p;
906	u8 pagecount, blockcount;
907	u16 blockaddr, blocksize;
908	u32 pageoffset;
909	int i;
910
911	/* reload firmware when reboot start and it's loaded already */
912	if (ovl == 0 && pageno == 0) {
913		release_firmware(sc->dsp_firm);
914		sc->dsp_firm = NULL;
915	}
916
917	if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
918		return;
919
920	p = sc->dsp_firm->data;
921	pagecount = FW_GET_BYTE(p);
922	p += 1;
923
924	if (pageno >= pagecount)
925		goto bad1;
926
927	p += 4 * pageno;
928	pageoffset = get_unaligned_le32(p);
929
930	if (pageoffset == 0)
931		goto bad1;
932
933	p = sc->dsp_firm->data + pageoffset;
934	blockcount = FW_GET_BYTE(p);
935	p += 1;
936
937	uea_dbg(INS_TO_USBDEV(sc),
938	       "sending %u blocks for DSP page %u\n", blockcount, pageno);
939
940	bi.wHdr = cpu_to_le16(UEA_BIHDR);
941	bi.wOvl = cpu_to_le16(ovl);
942	bi.wOvlOffset = cpu_to_le16(ovl | 0x8000);
943
944	for (i = 0; i < blockcount; i++) {
945		blockaddr = get_unaligned_le16(p);
946		p += 2;
947
948		blocksize = get_unaligned_le16(p);
949		p += 2;
950
951		bi.wSize = cpu_to_le16(blocksize);
952		bi.wAddress = cpu_to_le16(blockaddr);
953		bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0);
954
955		/* send block info through the IDMA pipe */
956		if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE))
957			goto bad2;
958
959		/* send block data through the IDMA pipe */
960		if (uea_idma_write(sc, p, blocksize))
961			goto bad2;
962
963		p += blocksize;
964	}
965
966	return;
967
968bad2:
969	uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i);
970	return;
971bad1:
972	uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno);
973}
974
975static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot)
976{
977	struct block_info_e4 bi;
978	struct block_index *blockidx;
979	struct l1_code *p = (struct l1_code *) sc->dsp_firm->data;
980	u8 blockno = p->page_number_to_block_index[pageno];
981
982	bi.wHdr = cpu_to_be16(UEA_BIHDR);
983	bi.bBootPage = boot;
984	bi.bPageNumber = pageno;
985	bi.wReserved = cpu_to_be16(UEA_RESERVED);
986
987	do {
988		const u8 *blockoffset;
989		unsigned int blocksize;
990
991		blockidx = &p->page_header[blockno];
992		blocksize = E4_PAGE_BYTES(blockidx->PageSize);
993		blockoffset = sc->dsp_firm->data + le32_to_cpu(
994							blockidx->PageOffset);
995
996		bi.dwSize = cpu_to_be32(blocksize);
997		bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress));
998
999		uea_dbg(INS_TO_USBDEV(sc),
1000			"sending block %u for DSP page "
1001			"%u size %u address %x\n",
1002			blockno, pageno, blocksize,
1003			le32_to_cpu(blockidx->PageAddress));
1004
1005		/* send block info through the IDMA pipe */
1006		if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1007			goto bad;
1008
1009		/* send block data through the IDMA pipe */
1010		if (uea_idma_write(sc, blockoffset, blocksize))
1011			goto bad;
1012
1013		blockno++;
1014	} while (blockidx->NotLastBlock);
1015
1016	return;
1017
1018bad:
1019	uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno);
1020	return;
1021}
1022
1023static void uea_load_page_e4(struct work_struct *work)
1024{
1025	struct uea_softc *sc = container_of(work, struct uea_softc, task);
1026	u8 pageno = sc->pageno;
1027	int i;
1028	struct block_info_e4 bi;
1029	struct l1_code *p;
1030
1031	uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno);
1032
1033	/* reload firmware when reboot start and it's loaded already */
1034	if (pageno == 0) {
1035		release_firmware(sc->dsp_firm);
1036		sc->dsp_firm = NULL;
1037	}
1038
1039	if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
1040		return;
1041
1042	p = (struct l1_code *) sc->dsp_firm->data;
1043	if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) {
1044		uea_err(INS_TO_USBDEV(sc), "invalid DSP "
1045						"page %u requested\n", pageno);
1046		return;
1047	}
1048
1049	if (pageno != 0) {
1050		__uea_load_page_e4(sc, pageno, 0);
1051		return;
1052	}
1053
1054	uea_dbg(INS_TO_USBDEV(sc),
1055	       "sending Main DSP page %u\n", p->page_header[0].PageNumber);
1056
1057	for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) {
1058		if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize))
1059			__uea_load_page_e4(sc, i, 1);
1060	}
1061
1062	uea_dbg(INS_TO_USBDEV(sc) , "sending start bi\n");
1063
1064	bi.wHdr = cpu_to_be16(UEA_BIHDR);
1065	bi.bBootPage = 0;
1066	bi.bPageNumber = 0xff;
1067	bi.wReserved = cpu_to_be16(UEA_RESERVED);
1068	bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize));
1069	bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress));
1070
1071	/* send block info through the IDMA pipe */
1072	if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1073		uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n");
1074}
1075
1076static inline void wake_up_cmv_ack(struct uea_softc *sc)
1077{
1078	BUG_ON(sc->cmv_ack);
1079	sc->cmv_ack = 1;
1080	wake_up(&sc->sync_q);
1081}
1082
1083static inline int wait_cmv_ack(struct uea_softc *sc)
1084{
1085	int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT);
1086
1087	sc->cmv_ack = 0;
1088
1089	uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n",
1090			jiffies_to_msecs(ret));
1091
1092	if (ret < 0)
1093		return ret;
1094
1095	return (ret == 0) ? -ETIMEDOUT : 0;
1096}
1097
1098#define UCDC_SEND_ENCAPSULATED_COMMAND 0x00
1099
1100static int uea_request(struct uea_softc *sc,
1101		u16 value, u16 index, u16 size, const void *data)
1102{
1103	u8 *xfer_buff;
1104	int ret = -ENOMEM;
1105
1106	xfer_buff = kmemdup(data, size, GFP_KERNEL);
1107	if (!xfer_buff) {
1108		uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
1109		return ret;
1110	}
1111
1112	ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0),
1113			      UCDC_SEND_ENCAPSULATED_COMMAND,
1114			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1115			      value, index, xfer_buff, size, CTRL_TIMEOUT);
1116
1117	kfree(xfer_buff);
1118	if (ret < 0) {
1119		uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret);
1120		return ret;
1121	}
1122
1123	if (ret != size) {
1124		uea_err(INS_TO_USBDEV(sc),
1125		       "usb_control_msg send only %d bytes (instead of %d)\n",
1126		       ret, size);
1127		return -EIO;
1128	}
1129
1130	return 0;
1131}
1132
1133static int uea_cmv_e1(struct uea_softc *sc,
1134		u8 function, u32 address, u16 offset, u32 data)
1135{
1136	struct cmv_e1 cmv;
1137	int ret;
1138
1139	uea_enters(INS_TO_USBDEV(sc));
1140	uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, "
1141			"offset : 0x%04x, data : 0x%08x\n",
1142			E1_FUNCTION_TYPE(function),
1143			E1_FUNCTION_SUBTYPE(function),
1144			E1_GETSA1(address), E1_GETSA2(address),
1145			E1_GETSA3(address),
1146			E1_GETSA4(address), offset, data);
1147
1148	/* we send a request, but we expect a reply */
1149	sc->cmv_dsc.e1.function = function | 0x2;
1150	sc->cmv_dsc.e1.idx++;
1151	sc->cmv_dsc.e1.address = address;
1152	sc->cmv_dsc.e1.offset = offset;
1153
1154	cmv.wPreamble = cpu_to_le16(E1_PREAMBLE);
1155	cmv.bDirection = E1_HOSTTOMODEM;
1156	cmv.bFunction = function;
1157	cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx);
1158	put_unaligned_le32(address, &cmv.dwSymbolicAddress);
1159	cmv.wOffsetAddress = cpu_to_le16(offset);
1160	put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData);
1161
1162	ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START,
1163							sizeof(cmv), &cmv);
1164	if (ret < 0)
1165		return ret;
1166	ret = wait_cmv_ack(sc);
1167	uea_leaves(INS_TO_USBDEV(sc));
1168	return ret;
1169}
1170
1171static int uea_cmv_e4(struct uea_softc *sc,
1172		u16 function, u16 group, u16 address, u16 offset, u32 data)
1173{
1174	struct cmv_e4 cmv;
1175	int ret;
1176
1177	uea_enters(INS_TO_USBDEV(sc));
1178	memset(&cmv, 0, sizeof(cmv));
1179
1180	uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, "
1181		 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n",
1182		 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function),
1183		 group, address, offset, data);
1184
1185	/* we send a request, but we expect a reply */
1186	sc->cmv_dsc.e4.function = function | (0x1 << 4);
1187	sc->cmv_dsc.e4.offset = offset;
1188	sc->cmv_dsc.e4.address = address;
1189	sc->cmv_dsc.e4.group = group;
1190
1191	cmv.wFunction = cpu_to_be16(function);
1192	cmv.wGroup = cpu_to_be16(group);
1193	cmv.wAddress = cpu_to_be16(address);
1194	cmv.wOffset = cpu_to_be16(offset);
1195	cmv.dwData[0] = cpu_to_be32(data);
1196
1197	ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START,
1198							sizeof(cmv), &cmv);
1199	if (ret < 0)
1200		return ret;
1201	ret = wait_cmv_ack(sc);
1202	uea_leaves(INS_TO_USBDEV(sc));
1203	return ret;
1204}
1205
1206static inline int uea_read_cmv_e1(struct uea_softc *sc,
1207		u32 address, u16 offset, u32 *data)
1208{
1209	int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD),
1210			  address, offset, 0);
1211	if (ret < 0)
1212		uea_err(INS_TO_USBDEV(sc),
1213			"reading cmv failed with error %d\n", ret);
1214	else
1215		*data = sc->data;
1216
1217	return ret;
1218}
1219
1220static inline int uea_read_cmv_e4(struct uea_softc *sc,
1221		u8 size, u16 group, u16 address, u16 offset, u32 *data)
1222{
1223	int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS,
1224							E4_REQUESTREAD, size),
1225			  group, address, offset, 0);
1226	if (ret < 0)
1227		uea_err(INS_TO_USBDEV(sc),
1228			"reading cmv failed with error %d\n", ret);
1229	else {
1230		*data = sc->data;
1231		/* size is in 16-bit word quantities */
1232		if (size > 2)
1233			*(data + 1) = sc->data1;
1234	}
1235	return ret;
1236}
1237
1238static inline int uea_write_cmv_e1(struct uea_softc *sc,
1239		u32 address, u16 offset, u32 data)
1240{
1241	int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE),
1242			  address, offset, data);
1243	if (ret < 0)
1244		uea_err(INS_TO_USBDEV(sc),
1245			"writing cmv failed with error %d\n", ret);
1246
1247	return ret;
1248}
1249
1250static inline int uea_write_cmv_e4(struct uea_softc *sc,
1251		u8 size, u16 group, u16 address, u16 offset, u32 data)
1252{
1253	int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS,
1254							E4_REQUESTWRITE, size),
1255			  group, address, offset, data);
1256	if (ret < 0)
1257		uea_err(INS_TO_USBDEV(sc),
1258			"writing cmv failed with error %d\n", ret);
1259
1260	return ret;
1261}
1262
1263static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate)
1264{
1265	int ret;
1266	u16 timeout;
1267
1268	/* in bulk mode the modem have problem with high rate
1269	 * changing internal timing could improve things, but the
1270	 * value is mysterious.
1271	 * ADI930 don't support it (-EPIPE error).
1272	 */
1273
1274	if (UEA_CHIP_VERSION(sc) == ADI930 ||
1275	    altsetting[sc->modem_index] > 0 ||
1276	    sc->stats.phy.dsrate == dsrate)
1277		return;
1278
1279	/* Original timming (1Mbit/s) from ADI (used in windows driver) */
1280	timeout = (dsrate <= 1024*1024) ? 0 : 1;
1281	ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL);
1282	uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n",
1283		 timeout,  ret < 0 ? " failed" : "");
1284
1285}
1286
1287/*
1288 * Monitor the modem and update the stat
1289 * return 0 if everything is ok
1290 * return < 0 if an error occurs (-EAGAIN reboot needed)
1291 */
1292static int uea_stat_e1(struct uea_softc *sc)
1293{
1294	u32 data;
1295	int ret;
1296
1297	uea_enters(INS_TO_USBDEV(sc));
1298	data = sc->stats.phy.state;
1299
1300	ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state);
1301	if (ret < 0)
1302		return ret;
1303
1304	switch (GET_STATUS(sc->stats.phy.state)) {
1305	case 0:		/* not yet synchronized */
1306		uea_dbg(INS_TO_USBDEV(sc),
1307		       "modem not yet synchronized\n");
1308		return 0;
1309
1310	case 1:		/* initialization */
1311		uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1312		return 0;
1313
1314	case 2:		/* operational */
1315		uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n");
1316		break;
1317
1318	case 3:		/* fail ... */
1319		uea_info(INS_TO_USBDEV(sc), "modem synchronization failed"
1320					" (may be try other cmv/dsp)\n");
1321		return -EAGAIN;
1322
1323	case 4 ... 6:	/* test state */
1324		uea_warn(INS_TO_USBDEV(sc),
1325				"modem in test mode - not supported\n");
1326		return -EAGAIN;
1327
1328	case 7:		/* fast-retain ... */
1329		uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n");
1330		return 0;
1331	default:
1332		uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n",
1333			GET_STATUS(sc->stats.phy.state));
1334		return -EAGAIN;
1335	}
1336
1337	if (GET_STATUS(data) != 2) {
1338		uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1339		uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1340
1341		/* release the dsp firmware as it is not needed until
1342		 * the next failure
1343		 */
1344		release_firmware(sc->dsp_firm);
1345		sc->dsp_firm = NULL;
1346	}
1347
1348	/* always update it as atm layer could not be init when we switch to
1349	 * operational state
1350	 */
1351	UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND);
1352
1353	/* wake up processes waiting for synchronization */
1354	wake_up(&sc->sync_q);
1355
1356	ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags);
1357	if (ret < 0)
1358		return ret;
1359	sc->stats.phy.mflags |= sc->stats.phy.flags;
1360
1361	/* in case of a flags ( for example delineation LOSS (& 0x10)),
1362	 * we check the status again in order to detect the failure earlier
1363	 */
1364	if (sc->stats.phy.flags) {
1365		uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1366		       sc->stats.phy.flags);
1367		return 0;
1368	}
1369
1370	ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data);
1371	if (ret < 0)
1372		return ret;
1373
1374	uea_set_bulk_timeout(sc, (data >> 16) * 32);
1375	sc->stats.phy.dsrate = (data >> 16) * 32;
1376	sc->stats.phy.usrate = (data & 0xffff) * 32;
1377	UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1378
1379	ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data);
1380	if (ret < 0)
1381		return ret;
1382	sc->stats.phy.dsattenuation = (data & 0xff) / 2;
1383
1384	ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data);
1385	if (ret < 0)
1386		return ret;
1387	sc->stats.phy.usattenuation = (data & 0xff) / 2;
1388
1389	ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin);
1390	if (ret < 0)
1391		return ret;
1392
1393	ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin);
1394	if (ret < 0)
1395		return ret;
1396
1397	ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow);
1398	if (ret < 0)
1399		return ret;
1400
1401	ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow);
1402	if (ret < 0)
1403		return ret;
1404
1405	ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc);
1406	if (ret < 0)
1407		return ret;
1408
1409	/* only for atu-c */
1410	ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc);
1411	if (ret < 0)
1412		return ret;
1413
1414	ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr);
1415	if (ret < 0)
1416		return ret;
1417
1418	/* only for atu-c */
1419	ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr);
1420	if (ret < 0)
1421		return ret;
1422
1423	ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco);
1424	if (ret < 0)
1425		return ret;
1426
1427	ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe);
1428	if (ret < 0)
1429		return ret;
1430
1431	return 0;
1432}
1433
1434static int uea_stat_e4(struct uea_softc *sc)
1435{
1436	u32 data;
1437	u32 tmp_arr[2];
1438	int ret;
1439
1440	uea_enters(INS_TO_USBDEV(sc));
1441	data = sc->stats.phy.state;
1442
1443	/* XXX only need to be done before operationnal... */
1444	ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state);
1445	if (ret < 0)
1446		return ret;
1447
1448	switch (sc->stats.phy.state) {
1449	case 0x0:	/* not yet synchronized */
1450	case 0x1:
1451	case 0x3:
1452	case 0x4:
1453		uea_dbg(INS_TO_USBDEV(sc), "modem not yet "
1454						"synchronized\n");
1455		return 0;
1456	case 0x5:	/* initialization */
1457	case 0x6:
1458	case 0x9:
1459	case 0xa:
1460		uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1461		return 0;
1462	case 0x2:	/* fail ... */
1463		uea_info(INS_TO_USBDEV(sc), "modem synchronization "
1464				"failed (may be try other cmv/dsp)\n");
1465		return -EAGAIN;
1466	case 0x7:	/* operational */
1467		break;
1468	default:
1469		uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n",
1470						sc->stats.phy.state);
1471		return 0;
1472	}
1473
1474	if (data != 7) {
1475		uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1476		uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1477
1478		/* release the dsp firmware as it is not needed until
1479		 * the next failure
1480		 */
1481		release_firmware(sc->dsp_firm);
1482		sc->dsp_firm = NULL;
1483	}
1484
1485	/* always update it as atm layer could not be init when we switch to
1486	 * operational state
1487	 */
1488	UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND);
1489
1490	/* wake up processes waiting for synchronization */
1491	wake_up(&sc->sync_q);
1492
1493	/* TODO improve this state machine :
1494	 * we need some CMV info : what they do and their unit
1495	 * we should find the equivalent of eagle3- CMV
1496	 */
1497	/* check flags */
1498	ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags);
1499	if (ret < 0)
1500		return ret;
1501	sc->stats.phy.mflags |= sc->stats.phy.flags;
1502
1503	/* in case of a flags ( for example delineation LOSS (& 0x10)),
1504	 * we check the status again in order to detect the failure earlier
1505	 */
1506	if (sc->stats.phy.flags) {
1507		uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1508		       sc->stats.phy.flags);
1509		if (sc->stats.phy.flags & 1) /* delineation LOSS */
1510			return -EAGAIN;
1511		if (sc->stats.phy.flags & 0x4000) /* Reset Flag */
1512			return -EAGAIN;
1513		return 0;
1514	}
1515
1516	/* rate data may be in upper or lower half of 64 bit word, strange */
1517	ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr);
1518	if (ret < 0)
1519		return ret;
1520	data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1521	sc->stats.phy.usrate = data / 1000;
1522
1523	ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr);
1524	if (ret < 0)
1525		return ret;
1526	data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1527	uea_set_bulk_timeout(sc, data / 1000);
1528	sc->stats.phy.dsrate = data / 1000;
1529	UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1530
1531	ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data);
1532	if (ret < 0)
1533		return ret;
1534	sc->stats.phy.dsattenuation = data / 10;
1535
1536	ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data);
1537	if (ret < 0)
1538		return ret;
1539	sc->stats.phy.usattenuation = data / 10;
1540
1541	ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data);
1542	if (ret < 0)
1543		return ret;
1544	sc->stats.phy.dsmargin = data / 2;
1545
1546	ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data);
1547	if (ret < 0)
1548		return ret;
1549	sc->stats.phy.usmargin = data / 10;
1550
1551	return 0;
1552}
1553
1554static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver)
1555{
1556	char file_arr[] = "CMVxy.bin";
1557	char *file;
1558
1559	kernel_param_lock(THIS_MODULE);
1560	/* set proper name corresponding modem version and line type */
1561	if (cmv_file[sc->modem_index] == NULL) {
1562		if (UEA_CHIP_VERSION(sc) == ADI930)
1563			file_arr[3] = '9';
1564		else if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1565			file_arr[3] = '4';
1566		else
1567			file_arr[3] = 'e';
1568
1569		file_arr[4] = IS_ISDN(sc) ? 'i' : 'p';
1570		file = file_arr;
1571	} else
1572		file = cmv_file[sc->modem_index];
1573
1574	strcpy(cmv_name, FW_DIR);
1575	strlcat(cmv_name, file, UEA_FW_NAME_MAX);
1576	if (ver == 2)
1577		strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX);
1578	kernel_param_unlock(THIS_MODULE);
1579}
1580
1581static int request_cmvs_old(struct uea_softc *sc,
1582		 void **cmvs, const struct firmware **fw)
1583{
1584	int ret, size;
1585	u8 *data;
1586	char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */
1587
1588	cmvs_file_name(sc, cmv_name, 1);
1589	ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1590	if (ret < 0) {
1591		uea_err(INS_TO_USBDEV(sc),
1592		       "requesting firmware %s failed with error %d\n",
1593		       cmv_name, ret);
1594		return ret;
1595	}
1596
1597	data = (u8 *) (*fw)->data;
1598	size = (*fw)->size;
1599	if (size < 1)
1600		goto err_fw_corrupted;
1601
1602	if (size != *data * sizeof(struct uea_cmvs_v1) + 1)
1603		goto err_fw_corrupted;
1604
1605	*cmvs = (void *)(data + 1);
1606	return *data;
1607
1608err_fw_corrupted:
1609	uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1610	release_firmware(*fw);
1611	return -EILSEQ;
1612}
1613
1614static int request_cmvs(struct uea_softc *sc,
1615		 void **cmvs, const struct firmware **fw, int *ver)
1616{
1617	int ret, size;
1618	u32 crc;
1619	u8 *data;
1620	char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */
1621
1622	cmvs_file_name(sc, cmv_name, 2);
1623	ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1624	if (ret < 0) {
1625		/* if caller can handle old version, try to provide it */
1626		if (*ver == 1) {
1627			uea_warn(INS_TO_USBDEV(sc), "requesting "
1628							"firmware %s failed, "
1629				"try to get older cmvs\n", cmv_name);
1630			return request_cmvs_old(sc, cmvs, fw);
1631		}
1632		uea_err(INS_TO_USBDEV(sc),
1633		       "requesting firmware %s failed with error %d\n",
1634		       cmv_name, ret);
1635		return ret;
1636	}
1637
1638	size = (*fw)->size;
1639	data = (u8 *) (*fw)->data;
1640	if (size < 4 || strncmp(data, "cmv2", 4) != 0) {
1641		if (*ver == 1) {
1642			uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted,"
1643				" try to get older cmvs\n", cmv_name);
1644			release_firmware(*fw);
1645			return request_cmvs_old(sc, cmvs, fw);
1646		}
1647		goto err_fw_corrupted;
1648	}
1649
1650	*ver = 2;
1651
1652	data += 4;
1653	size -= 4;
1654	if (size < 5)
1655		goto err_fw_corrupted;
1656
1657	crc = get_unaligned_le32(data);
1658	data += 4;
1659	size -= 4;
1660	if (crc32_be(0, data, size) != crc)
1661		goto err_fw_corrupted;
1662
1663	if (size != *data * sizeof(struct uea_cmvs_v2) + 1)
1664		goto err_fw_corrupted;
1665
1666	*cmvs = (void *) (data + 1);
1667	return *data;
1668
1669err_fw_corrupted:
1670	uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1671	release_firmware(*fw);
1672	return -EILSEQ;
1673}
1674
1675static int uea_send_cmvs_e1(struct uea_softc *sc)
1676{
1677	int i, ret, len;
1678	void *cmvs_ptr;
1679	const struct firmware *cmvs_fw;
1680	int ver = 1; /* we can handle v1 cmv firmware version; */
1681
1682	/* Enter in R-IDLE (cmv) until instructed otherwise */
1683	ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1);
1684	if (ret < 0)
1685		return ret;
1686
1687	/* Dump firmware version */
1688	ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid);
1689	if (ret < 0)
1690		return ret;
1691	uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1692			sc->stats.phy.firmid);
1693
1694	/* get options */
1695	ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1696	if (ret < 0)
1697		return ret;
1698
1699	/* send options */
1700	if (ver == 1) {
1701		struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr;
1702
1703		uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, "
1704			"please update your firmware\n");
1705
1706		for (i = 0; i < len; i++) {
1707			ret = uea_write_cmv_e1(sc,
1708				get_unaligned_le32(&cmvs_v1[i].address),
1709				get_unaligned_le16(&cmvs_v1[i].offset),
1710				get_unaligned_le32(&cmvs_v1[i].data));
1711			if (ret < 0)
1712				goto out;
1713		}
1714	} else if (ver == 2) {
1715		struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1716
1717		for (i = 0; i < len; i++) {
1718			ret = uea_write_cmv_e1(sc,
1719				get_unaligned_le32(&cmvs_v2[i].address),
1720				(u16) get_unaligned_le32(&cmvs_v2[i].offset),
1721				get_unaligned_le32(&cmvs_v2[i].data));
1722			if (ret < 0)
1723				goto out;
1724		}
1725	} else {
1726		/* This really should not happen */
1727		uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1728		goto out;
1729	}
1730
1731	/* Enter in R-ACT-REQ */
1732	ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2);
1733	uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1734	uea_info(INS_TO_USBDEV(sc), "modem started, waiting "
1735						"synchronization...\n");
1736out:
1737	release_firmware(cmvs_fw);
1738	return ret;
1739}
1740
1741static int uea_send_cmvs_e4(struct uea_softc *sc)
1742{
1743	int i, ret, len;
1744	void *cmvs_ptr;
1745	const struct firmware *cmvs_fw;
1746	int ver = 2; /* we can only handle v2 cmv firmware version; */
1747
1748	/* Enter in R-IDLE (cmv) until instructed otherwise */
1749	ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1);
1750	if (ret < 0)
1751		return ret;
1752
1753	/* Dump firmware version */
1754	/* XXX don't read the 3th byte as it is always 6 */
1755	ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid);
1756	if (ret < 0)
1757		return ret;
1758	uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1759			sc->stats.phy.firmid);
1760
1761
1762	/* get options */
1763	ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1764	if (ret < 0)
1765		return ret;
1766
1767	/* send options */
1768	if (ver == 2) {
1769		struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1770
1771		for (i = 0; i < len; i++) {
1772			ret = uea_write_cmv_e4(sc, 1,
1773				get_unaligned_le32(&cmvs_v2[i].group),
1774				get_unaligned_le32(&cmvs_v2[i].address),
1775				get_unaligned_le32(&cmvs_v2[i].offset),
1776				get_unaligned_le32(&cmvs_v2[i].data));
1777			if (ret < 0)
1778				goto out;
1779		}
1780	} else {
1781		/* This really should not happen */
1782		uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1783		goto out;
1784	}
1785
1786	/* Enter in R-ACT-REQ */
1787	ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2);
1788	uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1789	uea_info(INS_TO_USBDEV(sc), "modem started, waiting "
1790						"synchronization...\n");
1791out:
1792	release_firmware(cmvs_fw);
1793	return ret;
1794}
1795
1796/* Start boot post firmware modem:
1797 * - send reset commands through usb control pipe
1798 * - start workqueue for DSP loading
1799 * - send CMV options to modem
1800 */
1801
1802static int uea_start_reset(struct uea_softc *sc)
1803{
1804	u16 zero = 0;	/* ;-) */
1805	int ret;
1806
1807	uea_enters(INS_TO_USBDEV(sc));
1808	uea_info(INS_TO_USBDEV(sc), "(re)booting started\n");
1809
1810	/* mask interrupt */
1811	sc->booting = 1;
1812	/* We need to set this here because, a ack timeout could have occurred,
1813	 * but before we start the reboot, the ack occurs and set this to 1.
1814	 * So we will failed to wait Ready CMV.
1815	 */
1816	sc->cmv_ack = 0;
1817	UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST);
1818
1819	/* reset statistics */
1820	memset(&sc->stats, 0, sizeof(struct uea_stats));
1821
1822	/* tell the modem that we want to boot in IDMA mode */
1823	uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
1824	uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL);
1825
1826	/* enter reset mode */
1827	uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL);
1828
1829	/* original driver use 200ms, but windows driver use 100ms */
1830	ret = uea_wait(sc, 0, msecs_to_jiffies(100));
1831	if (ret < 0)
1832		return ret;
1833
1834	/* leave reset mode */
1835	uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL);
1836
1837	if (UEA_CHIP_VERSION(sc) != EAGLE_IV) {
1838		/* clear tx and rx mailboxes */
1839		uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero);
1840		uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero);
1841		uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero);
1842	}
1843
1844	ret = uea_wait(sc, 0, msecs_to_jiffies(1000));
1845	if (ret < 0)
1846		return ret;
1847
1848	if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1849		sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE,
1850							E4_MODEMREADY, 1);
1851	else
1852		sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE,
1853							E1_MODEMREADY);
1854
1855	/* demask interrupt */
1856	sc->booting = 0;
1857
1858	/* start loading DSP */
1859	sc->pageno = 0;
1860	sc->ovl = 0;
1861	schedule_work(&sc->task);
1862
1863	/* wait for modem ready CMV */
1864	ret = wait_cmv_ack(sc);
1865	if (ret < 0)
1866		return ret;
1867
1868	uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n");
1869
1870	ret = sc->send_cmvs(sc);
1871	if (ret < 0)
1872		return ret;
1873
1874	sc->reset = 0;
1875	uea_leaves(INS_TO_USBDEV(sc));
1876	return ret;
1877}
1878
1879/*
1880 * In case of an error wait 1s before rebooting the modem
1881 * if the modem don't request reboot (-EAGAIN).
1882 * Monitor the modem every 1s.
1883 */
1884
1885static int uea_kthread(void *data)
1886{
1887	struct uea_softc *sc = data;
1888	int ret = -EAGAIN;
1889
1890	set_freezable();
1891	uea_enters(INS_TO_USBDEV(sc));
1892	while (!kthread_should_stop()) {
1893		if (ret < 0 || sc->reset)
1894			ret = uea_start_reset(sc);
1895		if (!ret)
1896			ret = sc->stat(sc);
1897		if (ret != -EAGAIN)
1898			uea_wait(sc, 0, msecs_to_jiffies(1000));
1899		try_to_freeze();
1900	}
1901	uea_leaves(INS_TO_USBDEV(sc));
1902	return ret;
1903}
1904
1905/* Load second usb firmware for ADI930 chip */
1906static int load_XILINX_firmware(struct uea_softc *sc)
1907{
1908	const struct firmware *fw_entry;
1909	int ret, size, u, ln;
1910	const u8 *pfw;
1911	u8 value;
1912	char *fw_name = FPGA930_FIRMWARE;
1913
1914	uea_enters(INS_TO_USBDEV(sc));
1915
1916	ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev);
1917	if (ret) {
1918		uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n",
1919		       fw_name);
1920		goto err0;
1921	}
1922
1923	pfw = fw_entry->data;
1924	size = fw_entry->size;
1925	if (size != 0x577B) {
1926		uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
1927		       fw_name);
1928		ret = -EILSEQ;
1929		goto err1;
1930	}
1931	for (u = 0; u < size; u += ln) {
1932		ln = min(size - u, 64);
1933		ret = uea_request(sc, 0xe, 0, ln, pfw + u);
1934		if (ret < 0) {
1935			uea_err(INS_TO_USBDEV(sc),
1936			       "elsa download data failed (%d)\n", ret);
1937			goto err1;
1938		}
1939	}
1940
1941	/* finish to send the fpga */
1942	ret = uea_request(sc, 0xe, 1, 0, NULL);
1943	if (ret < 0) {
1944		uea_err(INS_TO_USBDEV(sc),
1945				"elsa download data failed (%d)\n", ret);
1946		goto err1;
1947	}
1948
1949	/* Tell the modem we finish : de-assert reset */
1950	value = 0;
1951	ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value);
1952	if (ret < 0)
1953		uea_err(sc->usb_dev, "elsa de-assert failed with error"
1954								" %d\n", ret);
1955
1956err1:
1957	release_firmware(fw_entry);
1958err0:
1959	uea_leaves(INS_TO_USBDEV(sc));
1960	return ret;
1961}
1962
1963/* The modem send us an ack. First with check if it right */
1964static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr)
1965{
1966	struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1;
1967	struct cmv_e1 *cmv = &intr->u.e1.s2.cmv;
1968
1969	uea_enters(INS_TO_USBDEV(sc));
1970	if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE)
1971		goto bad1;
1972
1973	if (cmv->bDirection != E1_MODEMTOHOST)
1974		goto bad1;
1975
1976	/* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to
1977	 * the first MEMACCESS cmv. Ignore it...
1978	 */
1979	if (cmv->bFunction != dsc->function) {
1980		if (UEA_CHIP_VERSION(sc) == ADI930
1981				&& cmv->bFunction ==  E1_MAKEFUNCTION(2, 2)) {
1982			cmv->wIndex = cpu_to_le16(dsc->idx);
1983			put_unaligned_le32(dsc->address,
1984						&cmv->dwSymbolicAddress);
1985			cmv->wOffsetAddress = cpu_to_le16(dsc->offset);
1986		} else
1987			goto bad2;
1988	}
1989
1990	if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE,
1991							E1_MODEMREADY)) {
1992		wake_up_cmv_ack(sc);
1993		uea_leaves(INS_TO_USBDEV(sc));
1994		return;
1995	}
1996
1997	/* in case of MEMACCESS */
1998	if (le16_to_cpu(cmv->wIndex) != dsc->idx ||
1999	    get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address ||
2000	    le16_to_cpu(cmv->wOffsetAddress) != dsc->offset)
2001		goto bad2;
2002
2003	sc->data = get_unaligned_le32(&cmv->dwData);
2004	sc->data = sc->data << 16 | sc->data >> 16;
2005
2006	wake_up_cmv_ack(sc);
2007	uea_leaves(INS_TO_USBDEV(sc));
2008	return;
2009
2010bad2:
2011	uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
2012			"Function : %d, Subfunction : %d\n",
2013			E1_FUNCTION_TYPE(cmv->bFunction),
2014			E1_FUNCTION_SUBTYPE(cmv->bFunction));
2015	uea_leaves(INS_TO_USBDEV(sc));
2016	return;
2017
2018bad1:
2019	uea_err(INS_TO_USBDEV(sc), "invalid cmv received, "
2020			"wPreamble %d, bDirection %d\n",
2021			le16_to_cpu(cmv->wPreamble), cmv->bDirection);
2022	uea_leaves(INS_TO_USBDEV(sc));
2023}
2024
2025/* The modem send us an ack. First with check if it right */
2026static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr)
2027{
2028	struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4;
2029	struct cmv_e4 *cmv = &intr->u.e4.s2.cmv;
2030
2031	uea_enters(INS_TO_USBDEV(sc));
2032	uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n",
2033		be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction),
2034		be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress),
2035		be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1]));
2036
2037	if (be16_to_cpu(cmv->wFunction) != dsc->function)
2038		goto bad2;
2039
2040	if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE,
2041						E4_MODEMREADY, 1)) {
2042		wake_up_cmv_ack(sc);
2043		uea_leaves(INS_TO_USBDEV(sc));
2044		return;
2045	}
2046
2047	/* in case of MEMACCESS */
2048	if (be16_to_cpu(cmv->wOffset) != dsc->offset ||
2049	    be16_to_cpu(cmv->wGroup) != dsc->group ||
2050	    be16_to_cpu(cmv->wAddress) != dsc->address)
2051		goto bad2;
2052
2053	sc->data = be32_to_cpu(cmv->dwData[0]);
2054	sc->data1 = be32_to_cpu(cmv->dwData[1]);
2055	wake_up_cmv_ack(sc);
2056	uea_leaves(INS_TO_USBDEV(sc));
2057	return;
2058
2059bad2:
2060	uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
2061			"Function : %d, Subfunction : %d\n",
2062			E4_FUNCTION_TYPE(cmv->wFunction),
2063			E4_FUNCTION_SUBTYPE(cmv->wFunction));
2064	uea_leaves(INS_TO_USBDEV(sc));
2065	return;
2066}
2067
2068static void uea_schedule_load_page_e1(struct uea_softc *sc,
2069						struct intr_pkt *intr)
2070{
2071	sc->pageno = intr->e1_bSwapPageNo;
2072	sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4;
2073	schedule_work(&sc->task);
2074}
2075
2076static void uea_schedule_load_page_e4(struct uea_softc *sc,
2077						struct intr_pkt *intr)
2078{
2079	sc->pageno = intr->e4_bSwapPageNo;
2080	schedule_work(&sc->task);
2081}
2082
2083/*
2084 * interrupt handler
2085 */
2086static void uea_intr(struct urb *urb)
2087{
2088	struct uea_softc *sc = urb->context;
2089	struct intr_pkt *intr = urb->transfer_buffer;
2090	int status = urb->status;
2091
2092	uea_enters(INS_TO_USBDEV(sc));
2093
2094	if (unlikely(status < 0)) {
2095		uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n",
2096		       status);
2097		return;
2098	}
2099
2100	/* device-to-host interrupt */
2101	if (intr->bType != 0x08 || sc->booting) {
2102		uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n");
2103		goto resubmit;
2104	}
2105
2106	switch (le16_to_cpu(intr->wInterrupt)) {
2107	case INT_LOADSWAPPAGE:
2108		sc->schedule_load_page(sc, intr);
2109		break;
2110
2111	case INT_INCOMINGCMV:
2112		sc->dispatch_cmv(sc, intr);
2113		break;
2114
2115	default:
2116		uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n",
2117		       le16_to_cpu(intr->wInterrupt));
2118	}
2119
2120resubmit:
2121	usb_submit_urb(sc->urb_int, GFP_ATOMIC);
2122}
2123
2124/*
2125 * Start the modem : init the data and start kernel thread
2126 */
2127static int uea_boot(struct uea_softc *sc, struct usb_interface *intf)
2128{
2129	struct intr_pkt *intr;
2130	int ret = -ENOMEM;
2131	int size;
2132
2133	uea_enters(INS_TO_USBDEV(sc));
2134
2135	if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2136		size = E4_INTR_PKT_SIZE;
2137		sc->dispatch_cmv = uea_dispatch_cmv_e4;
2138		sc->schedule_load_page = uea_schedule_load_page_e4;
2139		sc->stat = uea_stat_e4;
2140		sc->send_cmvs = uea_send_cmvs_e4;
2141		INIT_WORK(&sc->task, uea_load_page_e4);
2142	} else {
2143		size = E1_INTR_PKT_SIZE;
2144		sc->dispatch_cmv = uea_dispatch_cmv_e1;
2145		sc->schedule_load_page = uea_schedule_load_page_e1;
2146		sc->stat = uea_stat_e1;
2147		sc->send_cmvs = uea_send_cmvs_e1;
2148		INIT_WORK(&sc->task, uea_load_page_e1);
2149	}
2150
2151	init_waitqueue_head(&sc->sync_q);
2152
2153	if (UEA_CHIP_VERSION(sc) == ADI930)
2154		load_XILINX_firmware(sc);
2155
2156	if (intf->cur_altsetting->desc.bNumEndpoints < 1) {
2157		ret = -ENODEV;
2158		goto err0;
2159	}
2160
2161	intr = kmalloc(size, GFP_KERNEL);
2162	if (!intr)
2163		goto err0;
2164
2165	sc->urb_int = usb_alloc_urb(0, GFP_KERNEL);
2166	if (!sc->urb_int)
2167		goto err1;
2168
2169	usb_fill_int_urb(sc->urb_int, sc->usb_dev,
2170			 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE),
2171			 intr, size, uea_intr, sc,
2172			 intf->cur_altsetting->endpoint[0].desc.bInterval);
2173
2174	ret = usb_submit_urb(sc->urb_int, GFP_KERNEL);
2175	if (ret < 0) {
2176		uea_err(INS_TO_USBDEV(sc),
2177		       "urb submission failed with error %d\n", ret);
2178		goto err1;
2179	}
2180
2181	/* Create worker thread, but don't start it here.  Start it after
2182	 * all usbatm generic initialization is done.
2183	 */
2184	sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm");
2185	if (IS_ERR(sc->kthread)) {
2186		uea_err(INS_TO_USBDEV(sc), "failed to create thread\n");
2187		ret = PTR_ERR(sc->kthread);
2188		goto err2;
2189	}
2190
2191	uea_leaves(INS_TO_USBDEV(sc));
2192	return 0;
2193
2194err2:
2195	usb_kill_urb(sc->urb_int);
2196err1:
2197	usb_free_urb(sc->urb_int);
2198	sc->urb_int = NULL;
2199	kfree(intr);
2200err0:
2201	uea_leaves(INS_TO_USBDEV(sc));
2202	return ret;
2203}
2204
2205/*
2206 * Stop the modem : kill kernel thread and free data
2207 */
2208static void uea_stop(struct uea_softc *sc)
2209{
2210	int ret;
2211	uea_enters(INS_TO_USBDEV(sc));
2212	ret = kthread_stop(sc->kthread);
2213	uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret);
2214
2215	uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
2216
2217	usb_kill_urb(sc->urb_int);
2218	kfree(sc->urb_int->transfer_buffer);
2219	usb_free_urb(sc->urb_int);
2220
2221	/* flush the work item, when no one can schedule it */
2222	flush_work(&sc->task);
2223
2224	release_firmware(sc->dsp_firm);
2225	uea_leaves(INS_TO_USBDEV(sc));
2226}
2227
2228/* syfs interface */
2229static struct uea_softc *dev_to_uea(struct device *dev)
2230{
2231	struct usb_interface *intf;
2232	struct usbatm_data *usbatm;
2233
2234	intf = to_usb_interface(dev);
2235	if (!intf)
2236		return NULL;
2237
2238	usbatm = usb_get_intfdata(intf);
2239	if (!usbatm)
2240		return NULL;
2241
2242	return usbatm->driver_data;
2243}
2244
2245static ssize_t stat_status_show(struct device *dev, struct device_attribute *attr,
2246		char *buf)
2247{
2248	int ret = -ENODEV;
2249	struct uea_softc *sc;
2250
2251	mutex_lock(&uea_mutex);
2252	sc = dev_to_uea(dev);
2253	if (!sc)
2254		goto out;
2255	ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state);
2256out:
2257	mutex_unlock(&uea_mutex);
2258	return ret;
2259}
2260
2261static ssize_t stat_status_store(struct device *dev, struct device_attribute *attr,
2262		const char *buf, size_t count)
2263{
2264	int ret = -ENODEV;
2265	struct uea_softc *sc;
2266
2267	mutex_lock(&uea_mutex);
2268	sc = dev_to_uea(dev);
2269	if (!sc)
2270		goto out;
2271	sc->reset = 1;
2272	ret = count;
2273out:
2274	mutex_unlock(&uea_mutex);
2275	return ret;
2276}
2277
2278static DEVICE_ATTR_RW(stat_status);
2279
2280static ssize_t stat_human_status_show(struct device *dev,
2281			struct device_attribute *attr, char *buf)
2282{
2283	int ret = -ENODEV;
2284	int modem_state;
2285	struct uea_softc *sc;
2286
2287	mutex_lock(&uea_mutex);
2288	sc = dev_to_uea(dev);
2289	if (!sc)
2290		goto out;
2291
2292	if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2293		switch (sc->stats.phy.state) {
2294		case 0x0:	/* not yet synchronized */
2295		case 0x1:
2296		case 0x3:
2297		case 0x4:
2298			modem_state = 0;
2299			break;
2300		case 0x5:	/* initialization */
2301		case 0x6:
2302		case 0x9:
2303		case 0xa:
2304			modem_state = 1;
2305			break;
2306		case 0x7:	/* operational */
2307			modem_state = 2;
2308			break;
2309		case 0x2:	/* fail ... */
2310			modem_state = 3;
2311			break;
2312		default:	/* unknown */
2313			modem_state = 4;
2314			break;
2315		}
2316	} else
2317		modem_state = GET_STATUS(sc->stats.phy.state);
2318
2319	switch (modem_state) {
2320	case 0:
2321		ret = sprintf(buf, "Modem is booting\n");
2322		break;
2323	case 1:
2324		ret = sprintf(buf, "Modem is initializing\n");
2325		break;
2326	case 2:
2327		ret = sprintf(buf, "Modem is operational\n");
2328		break;
2329	case 3:
2330		ret = sprintf(buf, "Modem synchronization failed\n");
2331		break;
2332	default:
2333		ret = sprintf(buf, "Modem state is unknown\n");
2334		break;
2335	}
2336out:
2337	mutex_unlock(&uea_mutex);
2338	return ret;
2339}
2340
2341static DEVICE_ATTR_RO(stat_human_status);
2342
2343static ssize_t stat_delin_show(struct device *dev, struct device_attribute *attr,
2344		char *buf)
2345{
2346	int ret = -ENODEV;
2347	struct uea_softc *sc;
2348	char *delin = "GOOD";
2349
2350	mutex_lock(&uea_mutex);
2351	sc = dev_to_uea(dev);
2352	if (!sc)
2353		goto out;
2354
2355	if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2356		if (sc->stats.phy.flags & 0x4000)
2357			delin = "RESET";
2358		else if (sc->stats.phy.flags & 0x0001)
2359			delin = "LOSS";
2360	} else {
2361		if (sc->stats.phy.flags & 0x0C00)
2362			delin = "ERROR";
2363		else if (sc->stats.phy.flags & 0x0030)
2364			delin = "LOSS";
2365	}
2366
2367	ret = sprintf(buf, "%s\n", delin);
2368out:
2369	mutex_unlock(&uea_mutex);
2370	return ret;
2371}
2372
2373static DEVICE_ATTR_RO(stat_delin);
2374
2375#define UEA_ATTR(name, reset)					\
2376								\
2377static ssize_t stat_##name##_show(struct device *dev,		\
2378		struct device_attribute *attr, char *buf)	\
2379{								\
2380	int ret = -ENODEV;					\
2381	struct uea_softc *sc;					\
2382								\
2383	mutex_lock(&uea_mutex);					\
2384	sc = dev_to_uea(dev);					\
2385	if (!sc)						\
2386		goto out;					\
2387	ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name);	\
2388	if (reset)						\
2389		sc->stats.phy.name = 0;				\
2390out:								\
2391	mutex_unlock(&uea_mutex);				\
2392	return ret;						\
2393}								\
2394								\
2395static DEVICE_ATTR_RO(stat_##name)
2396
2397UEA_ATTR(mflags, 1);
2398UEA_ATTR(vidcpe, 0);
2399UEA_ATTR(usrate, 0);
2400UEA_ATTR(dsrate, 0);
2401UEA_ATTR(usattenuation, 0);
2402UEA_ATTR(dsattenuation, 0);
2403UEA_ATTR(usmargin, 0);
2404UEA_ATTR(dsmargin, 0);
2405UEA_ATTR(txflow, 0);
2406UEA_ATTR(rxflow, 0);
2407UEA_ATTR(uscorr, 0);
2408UEA_ATTR(dscorr, 0);
2409UEA_ATTR(usunc, 0);
2410UEA_ATTR(dsunc, 0);
2411UEA_ATTR(firmid, 0);
2412
2413/* Retrieve the device End System Identifier (MAC) */
2414
2415static int uea_getesi(struct uea_softc *sc, u_char *esi)
2416{
2417	unsigned char mac_str[2 * ETH_ALEN + 1];
2418	int i;
2419	if (usb_string
2420	    (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str,
2421	     sizeof(mac_str)) != 2 * ETH_ALEN)
2422		return 1;
2423
2424	for (i = 0; i < ETH_ALEN; i++)
2425		esi[i] = hex_to_bin(mac_str[2 * i]) * 16 +
2426			 hex_to_bin(mac_str[2 * i + 1]);
2427
2428	return 0;
2429}
2430
2431/* ATM stuff */
2432static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev)
2433{
2434	struct uea_softc *sc = usbatm->driver_data;
2435
2436	return uea_getesi(sc, atm_dev->esi);
2437}
2438
2439static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf)
2440{
2441	struct uea_softc *sc = usbatm->driver_data;
2442
2443	wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc));
2444
2445	return 0;
2446
2447}
2448
2449static int claim_interface(struct usb_device *usb_dev,
2450			   struct usbatm_data *usbatm, int ifnum)
2451{
2452	int ret;
2453	struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum);
2454
2455	if (!intf) {
2456		uea_err(usb_dev, "interface %d not found\n", ifnum);
2457		return -ENODEV;
2458	}
2459
2460	ret = usb_driver_claim_interface(&uea_driver, intf, usbatm);
2461	if (ret != 0)
2462		uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum,
2463		       ret);
2464	return ret;
2465}
2466
2467static struct attribute *uea_attrs[] = {
2468	&dev_attr_stat_status.attr,
2469	&dev_attr_stat_mflags.attr,
2470	&dev_attr_stat_human_status.attr,
2471	&dev_attr_stat_delin.attr,
2472	&dev_attr_stat_vidcpe.attr,
2473	&dev_attr_stat_usrate.attr,
2474	&dev_attr_stat_dsrate.attr,
2475	&dev_attr_stat_usattenuation.attr,
2476	&dev_attr_stat_dsattenuation.attr,
2477	&dev_attr_stat_usmargin.attr,
2478	&dev_attr_stat_dsmargin.attr,
2479	&dev_attr_stat_txflow.attr,
2480	&dev_attr_stat_rxflow.attr,
2481	&dev_attr_stat_uscorr.attr,
2482	&dev_attr_stat_dscorr.attr,
2483	&dev_attr_stat_usunc.attr,
2484	&dev_attr_stat_dsunc.attr,
2485	&dev_attr_stat_firmid.attr,
2486	NULL,
2487};
2488ATTRIBUTE_GROUPS(uea);
2489
2490static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
2491		   const struct usb_device_id *id)
2492{
2493	struct usb_device *usb = interface_to_usbdev(intf);
2494	struct uea_softc *sc;
2495	int ret, ifnum = intf->altsetting->desc.bInterfaceNumber;
2496	unsigned int alt;
2497
2498	uea_enters(usb);
2499
2500	/* interface 0 is for firmware/monitoring */
2501	if (ifnum != UEA_INTR_IFACE_NO)
2502		return -ENODEV;
2503
2504	usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT);
2505
2506	/* interface 1 is for outbound traffic */
2507	ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO);
2508	if (ret < 0)
2509		return ret;
2510
2511	/* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */
2512	if (UEA_CHIP_VERSION(id) != ADI930) {
2513		/* interface 2 is for inbound traffic */
2514		ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO);
2515		if (ret < 0)
2516			return ret;
2517	}
2518
2519	sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL);
2520	if (!sc)
2521		return -ENOMEM;
2522
2523	sc->usb_dev = usb;
2524	usbatm->driver_data = sc;
2525	sc->usbatm = usbatm;
2526	sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0;
2527	sc->driver_info = id->driver_info;
2528
2529	/* first try to use module parameter */
2530	if (annex[sc->modem_index] == 1)
2531		sc->annex = ANNEXA;
2532	else if (annex[sc->modem_index] == 2)
2533		sc->annex = ANNEXB;
2534	/* try to autodetect annex */
2535	else if (sc->driver_info & AUTO_ANNEX_A)
2536		sc->annex = ANNEXA;
2537	else if (sc->driver_info & AUTO_ANNEX_B)
2538		sc->annex = ANNEXB;
2539	else
2540		sc->annex = (le16_to_cpu
2541		(sc->usb_dev->descriptor.bcdDevice) & 0x80) ? ANNEXB : ANNEXA;
2542
2543	alt = altsetting[sc->modem_index];
2544	/* ADI930 don't support iso */
2545	if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) {
2546		if (alt <= 8 &&
2547			usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) {
2548			uea_dbg(usb, "set alternate %u for 2 interface\n", alt);
2549			uea_info(usb, "using iso mode\n");
2550			usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ;
2551		} else {
2552			uea_err(usb, "setting alternate %u failed for "
2553					"2 interface, using bulk mode\n", alt);
2554		}
2555	}
2556
2557	ret = uea_boot(sc, intf);
2558	if (ret < 0)
2559		goto error;
2560
2561	return 0;
2562
2563error:
2564	kfree(sc);
2565	return ret;
2566}
2567
2568static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf)
2569{
2570	struct uea_softc *sc = usbatm->driver_data;
2571
2572	uea_stop(sc);
2573	kfree(sc);
2574}
2575
2576static struct usbatm_driver uea_usbatm_driver = {
2577	.driver_name = "ueagle-atm",
2578	.bind = uea_bind,
2579	.atm_start = uea_atm_open,
2580	.unbind = uea_unbind,
2581	.heavy_init = uea_heavy,
2582	.bulk_in = UEA_BULK_DATA_PIPE,
2583	.bulk_out = UEA_BULK_DATA_PIPE,
2584	.isoc_in = UEA_ISO_DATA_PIPE,
2585};
2586
2587static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id)
2588{
2589	struct usb_device *usb = interface_to_usbdev(intf);
2590	int ret;
2591
2592	uea_enters(usb);
2593	uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n",
2594		le16_to_cpu(usb->descriptor.idVendor),
2595		le16_to_cpu(usb->descriptor.idProduct),
2596		le16_to_cpu(usb->descriptor.bcdDevice),
2597		chip_name[UEA_CHIP_VERSION(id)]);
2598
2599	usb_reset_device(usb);
2600
2601	if (UEA_IS_PREFIRM(id))
2602		return uea_load_firmware(usb, UEA_CHIP_VERSION(id));
2603
2604	ret = usbatm_usb_probe(intf, id, &uea_usbatm_driver);
2605	if (ret == 0) {
2606		struct usbatm_data *usbatm = usb_get_intfdata(intf);
2607		struct uea_softc *sc = usbatm->driver_data;
2608
2609		/* Ensure carrier is initialized to off as early as possible */
2610		UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST);
2611
2612		/* Only start the worker thread when all init is done */
2613		wake_up_process(sc->kthread);
2614	}
2615
2616	return ret;
2617}
2618
2619static void uea_disconnect(struct usb_interface *intf)
2620{
2621	struct usb_device *usb = interface_to_usbdev(intf);
2622	int ifnum = intf->altsetting->desc.bInterfaceNumber;
2623	uea_enters(usb);
2624
2625	/* ADI930 has 2 interfaces and eagle 3 interfaces.
2626	 * Pre-firmware device has one interface
2627	 */
2628	if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) {
2629		mutex_lock(&uea_mutex);
2630		usbatm_usb_disconnect(intf);
2631		mutex_unlock(&uea_mutex);
2632		uea_info(usb, "ADSL device removed\n");
2633	}
2634
2635	uea_leaves(usb);
2636}
2637
2638/*
2639 * List of supported VID/PID
2640 */
2641static const struct usb_device_id uea_ids[] = {
2642	{USB_DEVICE(ANALOG_VID,	ADI930_PID_PREFIRM),
2643		.driver_info = ADI930 | PREFIRM},
2644	{USB_DEVICE(ANALOG_VID,	ADI930_PID_PSTFIRM),
2645		.driver_info = ADI930 | PSTFIRM},
2646	{USB_DEVICE(ANALOG_VID,	EAGLE_I_PID_PREFIRM),
2647		.driver_info = EAGLE_I | PREFIRM},
2648	{USB_DEVICE(ANALOG_VID,	EAGLE_I_PID_PSTFIRM),
2649		.driver_info = EAGLE_I | PSTFIRM},
2650	{USB_DEVICE(ANALOG_VID,	EAGLE_II_PID_PREFIRM),
2651		.driver_info = EAGLE_II | PREFIRM},
2652	{USB_DEVICE(ANALOG_VID,	EAGLE_II_PID_PSTFIRM),
2653		.driver_info = EAGLE_II | PSTFIRM},
2654	{USB_DEVICE(ANALOG_VID,	EAGLE_IIC_PID_PREFIRM),
2655		.driver_info = EAGLE_II | PREFIRM},
2656	{USB_DEVICE(ANALOG_VID,	EAGLE_IIC_PID_PSTFIRM),
2657		.driver_info = EAGLE_II | PSTFIRM},
2658	{USB_DEVICE(ANALOG_VID,	EAGLE_III_PID_PREFIRM),
2659		.driver_info = EAGLE_III | PREFIRM},
2660	{USB_DEVICE(ANALOG_VID,	EAGLE_III_PID_PSTFIRM),
2661		.driver_info = EAGLE_III | PSTFIRM},
2662	{USB_DEVICE(ANALOG_VID,	EAGLE_IV_PID_PREFIRM),
2663		.driver_info = EAGLE_IV | PREFIRM},
2664	{USB_DEVICE(ANALOG_VID,	EAGLE_IV_PID_PSTFIRM),
2665		.driver_info = EAGLE_IV | PSTFIRM},
2666	{USB_DEVICE(DEVOLO_VID,	DEVOLO_EAGLE_I_A_PID_PREFIRM),
2667		.driver_info = EAGLE_I | PREFIRM},
2668	{USB_DEVICE(DEVOLO_VID,	DEVOLO_EAGLE_I_A_PID_PSTFIRM),
2669		.driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2670	{USB_DEVICE(DEVOLO_VID,	DEVOLO_EAGLE_I_B_PID_PREFIRM),
2671		.driver_info = EAGLE_I | PREFIRM},
2672	{USB_DEVICE(DEVOLO_VID,	DEVOLO_EAGLE_I_B_PID_PSTFIRM),
2673		.driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2674	{USB_DEVICE(DEVOLO_VID,	DEVOLO_EAGLE_II_A_PID_PREFIRM),
2675		.driver_info = EAGLE_II | PREFIRM},
2676	{USB_DEVICE(DEVOLO_VID,	DEVOLO_EAGLE_II_A_PID_PSTFIRM),
2677		.driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A},
2678	{USB_DEVICE(DEVOLO_VID,	DEVOLO_EAGLE_II_B_PID_PREFIRM),
2679		.driver_info = EAGLE_II | PREFIRM},
2680	{USB_DEVICE(DEVOLO_VID,	DEVOLO_EAGLE_II_B_PID_PSTFIRM),
2681		.driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B},
2682	{USB_DEVICE(ELSA_VID,	ELSA_PID_PREFIRM),
2683		.driver_info = ADI930 | PREFIRM},
2684	{USB_DEVICE(ELSA_VID,	ELSA_PID_PSTFIRM),
2685		.driver_info = ADI930 | PSTFIRM},
2686	{USB_DEVICE(ELSA_VID,	ELSA_PID_A_PREFIRM),
2687		.driver_info = ADI930 | PREFIRM},
2688	{USB_DEVICE(ELSA_VID,	ELSA_PID_A_PSTFIRM),
2689		.driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A},
2690	{USB_DEVICE(ELSA_VID,	ELSA_PID_B_PREFIRM),
2691		.driver_info = ADI930 | PREFIRM},
2692	{USB_DEVICE(ELSA_VID,	ELSA_PID_B_PSTFIRM),
2693		.driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B},
2694	{USB_DEVICE(USR_VID,	MILLER_A_PID_PREFIRM),
2695		.driver_info = EAGLE_I | PREFIRM},
2696	{USB_DEVICE(USR_VID,	MILLER_A_PID_PSTFIRM),
2697		.driver_info = EAGLE_I | PSTFIRM  | AUTO_ANNEX_A},
2698	{USB_DEVICE(USR_VID,	MILLER_B_PID_PREFIRM),
2699		.driver_info = EAGLE_I | PREFIRM},
2700	{USB_DEVICE(USR_VID,	MILLER_B_PID_PSTFIRM),
2701		.driver_info = EAGLE_I | PSTFIRM  | AUTO_ANNEX_B},
2702	{USB_DEVICE(USR_VID,	HEINEKEN_A_PID_PREFIRM),
2703		.driver_info = EAGLE_I | PREFIRM},
2704	{USB_DEVICE(USR_VID,	HEINEKEN_A_PID_PSTFIRM),
2705		.driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2706	{USB_DEVICE(USR_VID,	HEINEKEN_B_PID_PREFIRM),
2707		.driver_info = EAGLE_I | PREFIRM},
2708	{USB_DEVICE(USR_VID,	HEINEKEN_B_PID_PSTFIRM),
2709		.driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2710	{}
2711};
2712
2713/*
2714 * USB driver descriptor
2715 */
2716static struct usb_driver uea_driver = {
2717	.name = "ueagle-atm",
2718	.id_table = uea_ids,
2719	.probe = uea_probe,
2720	.disconnect = uea_disconnect,
2721	.dev_groups = uea_groups,
2722};
2723
2724MODULE_DEVICE_TABLE(usb, uea_ids);
2725
2726module_usb_driver(uea_driver);
2727
2728MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka");
2729MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver");
2730MODULE_LICENSE("Dual BSD/GPL");
2731MODULE_FIRMWARE(EAGLE_FIRMWARE);
2732MODULE_FIRMWARE(ADI930_FIRMWARE);
2733MODULE_FIRMWARE(EAGLE_I_FIRMWARE);
2734MODULE_FIRMWARE(EAGLE_II_FIRMWARE);
2735MODULE_FIRMWARE(EAGLE_III_FIRMWARE);
2736MODULE_FIRMWARE(EAGLE_IV_FIRMWARE);
2737MODULE_FIRMWARE(DSP4I_FIRMWARE);
2738MODULE_FIRMWARE(DSP4P_FIRMWARE);
2739MODULE_FIRMWARE(DSP9I_FIRMWARE);
2740MODULE_FIRMWARE(DSP9P_FIRMWARE);
2741MODULE_FIRMWARE(DSPEI_FIRMWARE);
2742MODULE_FIRMWARE(DSPEP_FIRMWARE);
2743MODULE_FIRMWARE(FPGA930_FIRMWARE);
2744MODULE_FIRMWARE(CMV4P_FIRMWARE);
2745MODULE_FIRMWARE(CMV4PV2_FIRMWARE);
2746MODULE_FIRMWARE(CMV4I_FIRMWARE);
2747MODULE_FIRMWARE(CMV4IV2_FIRMWARE);
2748MODULE_FIRMWARE(CMV9P_FIRMWARE);
2749MODULE_FIRMWARE(CMV9PV2_FIRMWARE);
2750MODULE_FIRMWARE(CMV9I_FIRMWARE);
2751MODULE_FIRMWARE(CMV9IV2_FIRMWARE);
2752MODULE_FIRMWARE(CMVEP_FIRMWARE);
2753MODULE_FIRMWARE(CMVEPV2_FIRMWARE);
2754MODULE_FIRMWARE(CMVEI_FIRMWARE);
2755MODULE_FIRMWARE(CMVEIV2_FIRMWARE);
2756