aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/isdn/hardware/avm/avmcard.h
blob: d964f07e4a566e3f60b13664e49784adc3f360c9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
/* $Id: avmcard.h,v 1.1.4.1.2.1 2001/12/21 15:00:17 kai Exp $
 *
 * Copyright 1999 by Carsten Paeth <calle@calle.de>
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#ifndef _AVMCARD_H_
#define _AVMCARD_H_

#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/interrupt.h>

#define	AVMB1_PORTLEN		0x1f
#define AVM_MAXVERSION		8
#define AVM_NCCI_PER_CHANNEL	4

/*
 * Versions
 */

#define	VER_DRIVER	0
#define	VER_CARDTYPE	1
#define	VER_HWID	2
#define	VER_SERIAL	3
#define	VER_OPTION	4
#define	VER_PROTO	5
#define	VER_PROFILE	6
#define	VER_CAPI	7

enum avmcardtype {
	avm_b1isa,
	avm_b1pci,
	avm_b1pcmcia,
	avm_m1,
	avm_m2,
	avm_t1isa,
	avm_t1pci,
	avm_c4,
	avm_c2
};

typedef struct avmcard_dmabuf {
    long        size;
    u8       *dmabuf;
    dma_addr_t  dmaaddr;
} avmcard_dmabuf;

typedef struct avmcard_dmainfo {
	u32                recvlen;
        avmcard_dmabuf       recvbuf;

        avmcard_dmabuf       sendbuf;
	struct sk_buff_head  send_queue;

	struct pci_dev      *pcidev;
} avmcard_dmainfo;

typedef	struct avmctrl_info {
	char cardname[32];
	
	int versionlen;
	char versionbuf[1024];
	char *version[AVM_MAXVERSION];
	
	char infobuf[128];	/* for function procinfo */
	
	struct avmcard  *card;
	struct capi_ctr  capi_ctrl;
	
	struct list_head ncci_head;
} avmctrl_info;

typedef struct avmcard {
	char name[32];
  
	spinlock_t lock;
	unsigned int port;
	unsigned irq;
	unsigned long membase;
	enum avmcardtype cardtype;
	unsigned char revision;
	unsigned char class;
	int cardnr; /* for t1isa */

	char msgbuf[128];	/* capimsg msg part */
	char databuf[2048];	/* capimsg data part */

	void __iomem *mbase;
	volatile u32 csr;
	avmcard_dmainfo *dma;

	struct avmctrl_info *ctrlinfo;

	u_int nr_controllers;
	u_int nlogcontr;
	struct list_head list;
} avmcard;

extern int b1_irq_table[16];

/*
 * LLI Messages to the ISDN-ControllerISDN Controller 
 */

#define	SEND_POLL		0x72	/*
					   * after load <- RECEIVE_POLL 
					 */
#define SEND_INIT		0x11	/*
					   * first message <- RECEIVE_INIT
					   * int32 NumApplications  int32
					   * NumNCCIs int32 BoardNumber 
					 */
#define SEND_REGISTER		0x12	/*
					   * register an application int32
					   * ApplIDId int32 NumMessages
					   * int32 NumB3Connections int32
					   * NumB3Blocks int32 B3Size
					   * 
					   * AnzB3Connection != 0 &&
					   * AnzB3Blocks >= 1 && B3Size >= 1 
					 */
#define SEND_RELEASE		0x14	/*
					   * deregister an application int32 
					   * ApplID 
					 */
#define SEND_MESSAGE		0x15	/*
					   * send capi-message int32 length
					   * capi-data ... 
					 */
#define SEND_DATA_B3_REQ	0x13	/*
					   * send capi-data-message int32
					   * MsgLength capi-data ... int32
					   * B3Length data .... 
					 */

#define SEND_CONFIG		0x21    /*
                                         */

#define SEND_POLLACK		0x73    /* T1 Watchdog */

/*
 * LLI Messages from the ISDN-ControllerISDN Controller 
 */

#define RECEIVE_POLL		0x32	/*
					   * <- after SEND_POLL 
					 */
#define RECEIVE_INIT		0x27	/*
					   * <- after SEND_INIT int32 length
					   * byte total length b1struct board 
					   * driver revision b1struct card
					   * type b1struct reserved b1struct
					   * serial number b1struct driver
					   * capability b1struct d-channel
					   * protocol b1struct CAPI-2.0
					   * profile b1struct capi version 
					 */
#define RECEIVE_MESSAGE		0x21	/*
					   * <- after SEND_MESSAGE int32
					   * AppllID int32 Length capi-data
					   * .... 
					 */
#define RECEIVE_DATA_B3_IND	0x22	/*
					   * received data int32 AppllID
					   * int32 Length capi-data ...
					   * int32 B3Length data ... 
					 */
#define RECEIVE_START		0x23	/*
					   * Handshake 
					 */
#define RECEIVE_STOP		0x24	/*
					   * Handshake 
					 */
#define RECEIVE_NEW_NCCI	0x25	/*
					   * int32 AppllID int32 NCCI int32
					   * WindowSize 
					 */
#define RECEIVE_FREE_NCCI	0x26	/*
					   * int32 AppllID int32 NCCI 
					 */
#define RECEIVE_RELEASE		0x26	/*
					   * int32 AppllID int32 0xffffffff 
					 */
#define RECEIVE_TASK_READY	0x31	/*
					   * int32 tasknr
					   * int32 Length Taskname ...
					 */
#define RECEIVE_DEBUGMSG	0x71	/*
					   * int32 Length message
					   * 
					 */
#define RECEIVE_POLLDWORD	0x75	/* t1pci in dword mode */

#define WRITE_REGISTER		0x00
#define READ_REGISTER		0x01

/*
 * port offsets
 */

#define B1_READ			0x00
#define B1_WRITE		0x01
#define B1_INSTAT		0x02
#define B1_OUTSTAT		0x03
#define B1_ANALYSE		0x04
#define B1_REVISION		0x05
#define B1_RESET		0x10


#define B1_STAT0(cardtype)  ((cardtype) == avm_m1 ? 0x81200000l : 0x80A00000l)
#define B1_STAT1(cardtype)  (0x80E00000l)

/* ---------------------------------------------------------------- */

static inline unsigned char b1outp(unsigned int base,
				   unsigned short offset,
				   unsigned char value)
{
	outb(value, base + offset);
	return inb(base + B1_ANALYSE);
}


static inline int b1_rx_full(unsigned int base)
{
	return inb(base + B1_INSTAT) & 0x1;
}

static inline unsigned char b1_get_byte(unsigned int base)
{
	unsigned long stop = jiffies + 1 * HZ;	/* maximum wait time 1 sec */
	while (!b1_rx_full(base) && time_before(jiffies, stop));
	if (b1_rx_full(base))
		return inb(base + B1_READ);
	printk(KERN_CRIT "b1lli(0x%x): rx not full after 1 second\n", base);
	return 0;
}

static inline unsigned int b1_get_word(unsigned int base)
{
	unsigned int val = 0;
	val |= b1_get_byte(base);
	val |= (b1_get_byte(base) << 8);
	val |= (b1_get_byte(base) << 16);
	val |= (b1_get_byte(base) << 24);
	return val;
}

static inline int b1_tx_empty(unsigned int base)
{
	return inb(base + B1_OUTSTAT) & 0x1;
}

static inline void b1_put_byte(unsigned int base, unsigned char val)
{
	while (!b1_tx_empty(base));
	b1outp(base, B1_WRITE, val);
}

static inline int b1_save_put_byte(unsigned int base, unsigned char val)
{
	unsigned long stop = jiffies + 2 * HZ;
	while (!b1_tx_empty(base) && time_before(jiffies,stop));
	if (!b1_tx_empty(base)) return -1;
	b1outp(base, B1_WRITE, val);
	return 0;
}

static inline void b1_put_word(unsigned int base, unsigned int val)
{
	b1_put_byte(base, val & 0xff);
	b1_put_byte(base, (val >> 8) & 0xff);
	b1_put_byte(base, (val >> 16) & 0xff);
	b1_put_byte(base, (val >> 24) & 0xff);
}

static inline unsigned int b1_get_slice(unsigned int base,
					unsigned char *dp)
{
	unsigned int len, i;

	len = i = b1_get_word(base);
	while (i-- > 0) *dp++ = b1_get_byte(base);
	return len;
}

static inline void b1_put_slice(unsigned int base,
				unsigned char *dp, unsigned int len)
{
	unsigned i = len;
	b1_put_word(base, i);
	while (i-- > 0)
		b1_put_byte(base, *dp++);
}

static void b1_wr_reg(unsigned int base,
                      unsigned int reg,
		      unsigned int value)
{
	b1_put_byte(base, WRITE_REGISTER);
        b1_put_word(base, reg);
        b1_put_word(base, value);
}

static inline unsigned int b1_rd_reg(unsigned int base,
                                     unsigned int reg)
{
	b1_put_byte(base, READ_REGISTER);
        b1_put_word(base, reg);
        return b1_get_word(base);
	
}

static inline void b1_reset(unsigned int base)
{
	b1outp(base, B1_RESET, 0);
	mdelay(55 * 2);	/* 2 TIC's */

	b1outp(base, B1_RESET, 1);
	mdelay(55 * 2);	/* 2 TIC's */

	b1outp(base, B1_RESET, 0);
	mdelay(55 * 2);	/* 2 TIC's */
}

static inline unsigned char b1_disable_irq(unsigned int base)
{
	return b1outp(base, B1_INSTAT, 0x00);
}

/* ---------------------------------------------------------------- */

static inline void b1_set_test_bit(unsigned int base,
				   enum avmcardtype cardtype,
				   int onoff)
{
    b1_wr_reg(base, B1_STAT0(cardtype), onoff ? 0x21 : 0x20);
}

static inline int b1_get_test_bit(unsigned int base,
                                  enum avmcardtype cardtype)
{
    return (b1_rd_reg(base, B1_STAT0(cardtype)) & 0x01) != 0;
}

/* ---------------------------------------------------------------- */

#define T1_FASTLINK		0x00
#define T1_SLOWLINK		0x08

#define T1_READ			B1_READ
#define T1_WRITE		B1_WRITE
#define T1_INSTAT		B1_INSTAT
#define T1_OUTSTAT		B1_OUTSTAT
#define T1_IRQENABLE		0x05
#define T1_FIFOSTAT		0x06
#define T1_RESETLINK		0x10
#define T1_ANALYSE		0x11
#define T1_IRQMASTER		0x12
#define T1_IDENT		0x17
#define T1_RESETBOARD		0x1f

#define	T1F_IREADY		0x01
#define	T1F_IHALF		0x02
#define	T1F_IFULL		0x04
#define	T1F_IEMPTY		0x08
#define	T1F_IFLAGS		0xF0

#define	T1F_OREADY		0x10
#define	T1F_OHALF		0x20
#define	T1F_OEMPTY		0x40
#define	T1F_OFULL		0x80
#define	T1F_OFLAGS		0xF0

/* there are HEMA cards with 1k and 4k FIFO out */
#define FIFO_OUTBSIZE		256
#define FIFO_INPBSIZE		512

#define HEMA_VERSION_ID		0
#define HEMA_PAL_ID		0

static inline void t1outp(unsigned int base,
			  unsigned short offset,
			  unsigned char value)
{
	outb(value, base + offset);
}

static inline unsigned char t1inp(unsigned int base,
			          unsigned short offset)
{
	return inb(base + offset);
}

static inline int t1_isfastlink(unsigned int base)
{
	return (inb(base + T1_IDENT) & ~0x82) == 1;
}

static inline unsigned char t1_fifostatus(unsigned int base)
{
	return inb(base + T1_FIFOSTAT);
}

static inline unsigned int t1_get_slice(unsigned int base,
					unsigned char *dp)
{
	unsigned int len, i;
#ifdef FASTLINK_DEBUG
	unsigned wcnt = 0, bcnt = 0;
#endif

	len = i = b1_get_word(base);
        if (t1_isfastlink(base)) {
		int status;
		while (i > 0) {
			status = t1_fifostatus(base) & (T1F_IREADY|T1F_IHALF);
			if (i >= FIFO_INPBSIZE) status |= T1F_IFULL;

			switch (status) {
				case T1F_IREADY|T1F_IHALF|T1F_IFULL:
					insb(base+B1_READ, dp, FIFO_INPBSIZE);
					dp += FIFO_INPBSIZE;
					i -= FIFO_INPBSIZE;
#ifdef FASTLINK_DEBUG
					wcnt += FIFO_INPBSIZE;
#endif
					break;
				case T1F_IREADY|T1F_IHALF: 
					insb(base+B1_READ,dp, i);
#ifdef FASTLINK_DEBUG
					wcnt += i;
#endif
					dp += i;
					i = 0;
					break;
				default:
					*dp++ = b1_get_byte(base);
					i--;
#ifdef FASTLINK_DEBUG
					bcnt++;
#endif
					break;
			}
	    }
#ifdef FASTLINK_DEBUG
	    if (wcnt)
	    printk(KERN_DEBUG "b1lli(0x%x): get_slice l=%d w=%d b=%d\n",
				base, len, wcnt, bcnt);
#endif
	} else {
		while (i-- > 0)
			*dp++ = b1_get_byte(base);
	}
	return len;
}

static inline void t1_put_slice(unsigned int base,
				unsigned char *dp, unsigned int len)
{
	unsigned i = len;
	b1_put_word(base, i);
        if (t1_isfastlink(base)) {
		int status;
		while (i > 0) {
			status = t1_fifostatus(base) & (T1F_OREADY|T1F_OHALF);
			if (i >= FIFO_OUTBSIZE) status |= T1F_OEMPTY;
			switch (status) {
				case T1F_OREADY|T1F_OHALF|T1F_OEMPTY: 
					outsb(base+B1_WRITE, dp, FIFO_OUTBSIZE);
					dp += FIFO_OUTBSIZE;
					i -= FIFO_OUTBSIZE;
					break;
				case T1F_OREADY|T1F_OHALF: 
					outsb(base+B1_WRITE, dp, i);
					dp += i;
					i = 0;
				        break;
				default:
					b1_put_byte(base, *dp++);
					i--;
					break;
			}
		}
	} else {
		while (i-- > 0)
			b1_put_byte(base, *dp++);
	}
}

static inline void t1_disable_irq(unsigned int base)
{
      t1outp(base, T1_IRQMASTER, 0x00);
}

static inline void t1_reset(unsigned int base)
{
        /* reset T1 Controller */
        b1_reset(base);
        /* disable irq on HEMA */
        t1outp(base, B1_INSTAT, 0x00);
        t1outp(base, B1_OUTSTAT, 0x00);
        t1outp(base, T1_IRQMASTER, 0x00);
        /* reset HEMA board configuration */
	t1outp(base, T1_RESETBOARD, 0xf);
}

static inline void b1_setinterrupt(unsigned int base, unsigned irq,
				   enum avmcardtype cardtype)
{
	switch (cardtype) {
	   case avm_t1isa:
              t1outp(base, B1_INSTAT, 0x00);
              t1outp(base, B1_INSTAT, 0x02);
	      t1outp(base, T1_IRQMASTER, 0x08);
	      break;
	   case avm_b1isa:
	      b1outp(base, B1_INSTAT, 0x00);
	      b1outp(base, B1_RESET, b1_irq_table[irq]);
	      b1outp(base, B1_INSTAT, 0x02);
	      break;
	   default:
	   case avm_m1:
	   case avm_m2:
	   case avm_b1pci:
	      b1outp(base, B1_INSTAT, 0x00);
	      b1outp(base, B1_RESET, 0xf0);
	      b1outp(base, B1_INSTAT, 0x02);
	      break;
	   case avm_c4:
	   case avm_t1pci:
	      b1outp(base, B1_RESET, 0xf0);
	      break;
	 }
}

/* b1.c */
avmcard *b1_alloc_card(int nr_controllers);
void b1_free_card(avmcard *card);
int b1_detect(unsigned int base, enum avmcardtype cardtype);
void b1_getrevision(avmcard *card);
int b1_load_t4file(avmcard *card, capiloaddatapart * t4file);
int b1_load_config(avmcard *card, capiloaddatapart * config);
int b1_loaded(avmcard *card);

int b1_load_firmware(struct capi_ctr *ctrl, capiloaddata *data);
void b1_reset_ctr(struct capi_ctr *ctrl);
void b1_register_appl(struct capi_ctr *ctrl, u16 appl,
				capi_register_params *rp);
void b1_release_appl(struct capi_ctr *ctrl, u16 appl);
u16  b1_send_message(struct capi_ctr *ctrl, struct sk_buff *skb);
void b1_parse_version(avmctrl_info *card);
irqreturn_t b1_interrupt(int interrupt, void *devptr);

int b1ctl_read_proc(char *page, char **start, off_t off,
        		int count, int *eof, struct capi_ctr *ctrl);

avmcard_dmainfo *avmcard_dma_alloc(char *name, struct pci_dev *,
				   long rsize, long ssize);
void avmcard_dma_free(avmcard_dmainfo *);

/* b1dma.c */
int b1pciv4_detect(avmcard *card);
int t1pci_detect(avmcard *card);
void b1dma_reset(avmcard *card);
irqreturn_t b1dma_interrupt(int interrupt, void *devptr);

int b1dma_load_firmware(struct capi_ctr *ctrl, capiloaddata *data);
void b1dma_reset_ctr(struct capi_ctr *ctrl);
void b1dma_remove_ctr(struct capi_ctr *ctrl);
void b1dma_register_appl(struct capi_ctr *ctrl,
				u16 appl,
				capi_register_params *rp);
void b1dma_release_appl(struct capi_ctr *ctrl, u16 appl);
u16  b1dma_send_message(struct capi_ctr *ctrl, struct sk_buff *skb);
int b1dmactl_read_proc(char *page, char **start, off_t off,
        		int count, int *eof, struct capi_ctr *ctrl);

#endif /* _AVMCARD_H_ */