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URL https://opencores.org/ocsvn/pcie_ds_dma/pcie_ds_dma/trunk

Subversion Repositories pcie_ds_dma

[/] [pcie_ds_dma/] [trunk/] [soft/] [linux/] [common/] [pex/] [pex_board.cpp] - Blame information for rev 2

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1 2 dsmv
 
2
#ifndef __PEX_BOARD_H__
3
#include "pex_board.h"
4
#endif
5
#ifndef __DMA_MEMORY__H__
6
#include "dma_memory.h"
7
#endif
8
 
9
//-----------------------------------------------------------------------------
10
 
11
#include <stdio.h>
12
#include <stdlib.h>
13
#include <fcntl.h>
14
#include <errno.h>
15
#include <sys/mman.h>
16
#include <sys/ioctl.h>
17
 
18
#include <cassert>
19
#include <cstdlib>
20
#include <cstring>
21
#include <iostream>
22
#include <iomanip>
23
#include <climits>
24
 
25
//-----------------------------------------------------------------------------
26
 
27
using namespace std;
28
 
29
//-----------------------------------------------------------------------------
30
 
31
pex_board::pex_board()
32
{
33
    fd = -1;
34
    bar0 = bar1 = NULL;
35
    memset(&bi, 0, sizeof(bi));
36
    m_dma = new dma_memory();
37
}
38
 
39
//-----------------------------------------------------------------------------
40
 
41
pex_board::~pex_board()
42
{
43
    if(m_dma) delete m_dma;
44
    core_close();
45
}
46
 
47
//-----------------------------------------------------------------------------
48
 
49
int pex_board::core_open(const char *name)
50
{
51
    int error = 0;
52
 
53
    if(fd > 0)
54
        return 0;
55
 
56
    fd = open(name, S_IROTH | S_IWOTH );
57
    if(fd < 0) {
58
        std::cerr << __FUNCTION__ << "(): " << " error open device: " << name << endl;
59
        goto do_out;
60
    }
61
 
62
    error = core_board_info();
63
    if(error < 0) {
64
        std::cerr << __FUNCTION__ << "(): " << " error get board info" << endl;
65
        goto do_close;
66
    }
67
 
68
    bar0 = (u32*)mmap(NULL, bi.Size[0], PROT_READ|PROT_WRITE, MAP_SHARED, fd, (off_t)bi.PhysAddress[0]);
69
    if( bar0 == MAP_FAILED ) {
70
        std::cerr << __FUNCTION__ << "(): " << " error map bar0 address" << endl;
71
        error = -EINVAL;
72
        goto do_close;
73
    }
74
 
75
    bar1 = (u32*)mmap(NULL, bi.Size[1], PROT_READ|PROT_WRITE, MAP_SHARED, fd, (off_t)bi.PhysAddress[1]);
76
    if( bar1== MAP_FAILED ) {
77
        std::cerr << __FUNCTION__ << "(): " << " error map bar1 address" << endl;
78
        error = -EINVAL;
79
        goto do_unmap_bar0;
80
    }
81
 
82
    std::cout << "Map BAR0: 0x" << hex << bi.PhysAddress[0] << " -> " << bar0 << dec << endl;
83
    std::cout << "Map BAR1: 0x" << hex << bi.PhysAddress[1] << " -> " << bar1 << dec << endl;
84
 
85
    return 0;
86
 
87
do_unmap_bar0:
88
    munmap(bar0, bi.Size[0]);
89
 
90
do_close:
91
    close(fd);
92
 
93
do_out:
94
    return error;
95
}
96
 
97
//-----------------------------------------------------------------------------
98
 
99
int pex_board::core_init()
100
{
101
    uint16_t temp = 0;
102
    uint16_t blockId = 0;
103
    uint16_t blockVer = 0;
104
    uint16_t deviceID = 0;
105
    uint16_t deviceRev = 0;
106
    int i = 0;
107
 
108
    fprintf(stderr,"%s()\n", __FUNCTION__);
109
 
110
    blockId =  core_block_read( 0, 0 );
111
    blockVer = core_block_read( 0, 1 );
112
 
113
    fprintf(stderr,"%s(): BlockID = 0x%X, BlockVER = 0x%X.\n", __FUNCTION__, blockId, blockVer);
114
 
115
    deviceID = core_block_read(  0, 2 );
116
    deviceRev = core_block_read( 0, 3 );
117
 
118
    fprintf(stderr,"%s(): DeviceID = 0x%X, DeviceRev = 0x%X.\n", __FUNCTION__, deviceID, deviceRev);
119
 
120
    temp = core_block_read( 0, 4 );
121
    int m_BlockCnt = core_block_read( 0, 5 );
122
 
123
    if( m_BlockCnt>8 ) {
124
        m_BlockCnt=8;
125
    }
126
 
127
    fprintf(stderr,"%s(): PldVER = 0x%X.\n", __FUNCTION__, temp);
128
    fprintf(stderr,"%s(): Block count = %d.\n", __FUNCTION__, m_BlockCnt);
129
 
130
    // определим какие каналы ПДП присутствуют и их характеристики:
131
    // направление передачи данных, размер FIFO, максимальный размер блока ПДП
132
 
133
    FIFO_ID FifoId;
134
    int m_DmaFifoSize[4] = {0};
135
    int m_MaxDmaSize[4] = {0};
136
    int m_DmaDir[4] = {0};
137
    int m_DmaChanMask = 0;
138
 
139
    for(int iBlock = 0; iBlock < m_BlockCnt; iBlock++)
140
    {
141
        uint16_t block_id = 0;
142
 
143
        block_id=core_block_read( iBlock, 0 );
144
        block_id &=0xFFF;
145
 
146
        if(block_id == PE_EXT_FIFO_ID)
147
        {
148
            u32 resource_id = 0;
149
            uint16_t iChan = core_block_read( iBlock, 3 );
150
            m_DmaChanMask |= (1 << iChan);
151
            FifoId.AsWhole = core_block_read( iBlock, 2 );
152
            m_DmaFifoSize[iChan] = FifoId.ByBits.Size;
153
            m_DmaDir[iChan] = FifoId.ByBits.Dir;
154
            m_MaxDmaSize[iChan] = 0x40000000; // макс. размер ПДП пусть будет 1 Гбайт
155
            resource_id = core_block_read( iBlock, 4 ); // RESOURCE
156
            fprintf(stderr,"%s(): Channel(ID) = %d(0x%x), FIFO size = %d Bytes, DMA Dir = %d, Max DMA size = %d MBytes, resource = 0x%x.\n", __FUNCTION__,
157
                    iChan, block_id, m_DmaFifoSize[iChan] * 4, m_DmaDir[iChan], m_MaxDmaSize[iChan] / 1024 / 1024, resource_id);
158
        }
159
    }
160
 
161
    // подготовим к работе ПЛИС ADM
162
    fprintf(stderr,"%s(): Prepare ADM PLD.\n", __FUNCTION__);
163
    core_block_write( 0, 8, 0);
164
    core_pause(100);    // pause ~ 100 msec
165
    for(i = 0; i < 10; i++)
166
    {
167
        core_block_write( 0, 8, 1);
168
        core_pause(100);        // pause ~ 100 msec
169
        core_block_write( 0, 8, 3);
170
        core_pause(100);        // pause ~ 100 msec
171
        core_block_write( 0, 8, 7);
172
        core_pause(100);        // pause ~ 100 msec
173
        temp = core_block_read( 0, 010 ) & 0x01;
174
        if(temp)
175
            break;
176
    }
177
    core_block_write( 0, 8, 0xF );
178
    core_pause(100);    // pause ~ 100 msec
179
 
180
    return 0;
181
}
182
 
183
//-----------------------------------------------------------------------------
184
 
185
int pex_board::core_reset()
186
{
187
    return 0;
188
}
189
 
190
//-----------------------------------------------------------------------------
191
 
192
int pex_board::core_close()
193
{
194
    if(bar0) {
195
        munmap(bar0, bi.Size[0]);
196
        bar0 = NULL;
197
    }
198
    if(bar1) {
199
        munmap(bar1, bi.Size[1]);
200
        bar1 = NULL;
201
    }
202
 
203
    close(fd);
204
    fd = -1;
205
 
206
 
207
    return 0;
208
}
209
 
210
//-----------------------------------------------------------------------------
211
 
212
int pex_board::core_load_dsp()
213
{
214
    return 0;
215
}
216
 
217
//-----------------------------------------------------------------------------
218
 
219
int pex_board::core_load_pld()
220
{
221
    return 0;
222
}
223
 
224
//-----------------------------------------------------------------------------
225
 
226
int pex_board::core_board_info()
227
{
228
    int error = ioctl(fd, IOCTL_PEX_BOARD_INFO, &bi);
229
    if(error < 0) {
230
        std::cerr << __FUNCTION__ << "(): " << " error get board info" << endl;
231
        return -1;
232
    }
233
/*
234
    fprintf(stderr, "VENDOR ID: 0x%X\n", bi.vendor_id);
235
    fprintf(stderr, "DEVICE ID: 0x%X\n", bi.device_id);
236
    fprintf(stderr, "BAR0: 0x%zX\n", bi.PhysAddress[0]);
237
    fprintf(stderr, "SIZE: 0x%zX\n", bi.Size[0]);
238
    fprintf(stderr, "BAR1 0x%zX\n", bi.PhysAddress[1]);
239
    fprintf(stderr, "SIZE: 0x%zX\n", bi.Size[1]);
240
    fprintf(stderr, "IRQ: 0x%zX\n", bi.InterruptVector);
241
*/
242
    return 0;
243
}
244
 
245
//-----------------------------------------------------------------------------
246
 
247
int pex_board::core_pld_info()
248
{
249
    u32 d = 0;
250
    u32 d1 = 0;
251
    u32 d2 = 0;
252
    u32 d3 = 0;
253
    u32 d4 = 0;
254
    u32 d5 = 0;
255
    int ii = 0;
256
 
257
    if(!bar1)
258
        return -1;
259
 
260
    fprintf(stderr," Firmware PLD ADM\n" );
261
    core_reg_poke_dir(0, 1, 1);
262
    core_reg_poke_dir(0, 1, 1);
263
 
264
    d=core_reg_peek_ind( 0, 0x108 );
265
    if( d==0x4953 ) {
266
        fprintf(stderr, " SIG = 0x%.4X - Ok\n", d );
267
    } else {
268
        fprintf(stderr, " SIG = 0x%.4X - Error, waiting 0x4953\n", d );
269
        return -1;
270
    }
271
 
272
    d=core_reg_peek_ind(  0, 0x109 );  fprintf(stderr, " ADM interface version:  %d.%d\n", d>>8, d&0xFF );
273
    d=core_reg_peek_ind(  0, 0x110 ); d1=core_reg_peek_ind(  0, 0x111 );
274
    fprintf(stderr,  " Base module: 0x%.4X  v%d.%d\n", d, d1>>8, d1&0xFF );
275
 
276
    d=core_reg_peek_ind(  0, 0x112 ); d1=core_reg_peek_ind(  0, 0x113 );
277
    fprintf(stderr,  " Submodule: 0x%.4X  v%d.%d\n", d, d1>>8, d1&0xFF );
278
 
279
    d=core_reg_peek_ind(  0, 0x10B );  fprintf(stderr,  " Firmware modificaton:  %d \n", d );
280
    d=core_reg_peek_ind(  0, 0x10A );  fprintf(stderr,  " Firmware version:       %d.%d\n", d>>8, d&0xFF );
281
    d=core_reg_peek_ind(  0, 0x114 );  fprintf(stderr,  " Firmware build number: 0x%.4X\n", d );
282
 
283
    fprintf(stderr,  "\n Information about the tetrads:\n\n" );
284
    for( ii=0; ii<8; ii++ ) {
285
 
286
        const char *str;
287
 
288
        d=core_reg_peek_ind(  ii, 0x100 );
289
        d1=core_reg_peek_ind(  ii, 0x101 );
290
        d2=core_reg_peek_ind(  ii, 0x102 );
291
        d3=core_reg_peek_ind(  ii, 0x103 );
292
        d4=core_reg_peek_ind(  ii, 0x104 );
293
        d5=core_reg_peek_ind(  ii, 0x105 );
294
 
295
        switch( d ) {
296
        case 1: str="TRD_MAIN      "; break;
297
        case 2: str="TRD_BASE_DAC  "; break;
298
        case 3: str="TRD_PIO_STD   "; break;
299
        case 0:    str=" -            "; break;
300
        case 0x47: str="SBSRAM_IN     "; break;
301
        case 0x48: str="SBSRAM_OUT    "; break;
302
        case 0x12: str="DIO64_OUT     "; break;
303
        case 0x13: str="DIO64_IN      "; break;
304
        case 0x14: str="ADM212x200M   "; break;
305
        case 0x5D: str="ADM212x500M   "; break;
306
        case 0x41: str="DDS9956       "; break;
307
        case 0x4F: str="TEST_CTRL     "; break;
308
        case 0x3F: str="ADM214x200M   "; break;
309
        case 0x40: str="ADM216x100    "; break;
310
        case 0x2F: str="ADM28x1G      "; break;
311
        case 0x2D: str="TRD128_OUT    "; break;
312
        case 0x4C: str="TRD128_IN     "; break;
313
        case 0x30: str="ADMDDC5016    "; break;
314
        case 0x2E: str="ADMFOTR2G     "; break;
315
        case 0x49: str="ADMFOTR3G     "; break;
316
        case 0x67: str="DDS9912       "; break;
317
        case 0x70: str="AMBPEX5_SDRAM "; break;
318
        case 0x71: str="TRD_MSG       "; break;
319
        case 0x72: str="TRD_TS201     "; break;
320
        case 0x73: str="TRD_STREAM_IN "; break;
321
        case 0x74: str="TRD_STREAM_OUT"; break;
322
 
323
 
324
        default: str="UNKNOWN"; break;
325
        }
326
        fprintf(stderr,  " %d  0x%.4X %s ", ii, d, str );
327
        if( d>0 ) {
328
            fprintf(stderr,  " MOD: %-2d VER: %d.%d ", d1, d2>>8, d2&0xFF );
329
            if( d3 & 0x10 ) {
330
                fprintf(stderr,  "FIFO IN   %dx%d\n", d4, d5 );
331
            } else if( d3 & 0x20 ) {
332
                fprintf(stderr,  "FIFO OUT  %dx%d\n", d4, d5 );
333
            } else {
334
                fprintf(stderr,  "\n" );
335
            }
336
        } else {
337
            fprintf(stderr,  "\n" );
338
        }
339
 
340
    }
341
 
342
    return 0;
343
}
344
 
345
//-----------------------------------------------------------------------------
346
 
347
int pex_board::core_resource()
348
{
349
    return 0;
350
}
351
 
352
//-----------------------------------------------------------------------------
353
 
354
void pex_board::core_pause(int ms)
355
{
356
    struct timeval tv = {0, 0};
357
    tv.tv_usec = 1000*ms;
358
 
359
    select(0,NULL,NULL,NULL,&tv);
360
}
361
 
362
//-----------------------------------------------------------------------------
363
 
364
u32 pex_board::core_reg_peek_dir( u32 trd, u32 reg )
365
{
366
    if( (trd>15) || (reg>3) )
367
        return -1;
368
 
369
    u32 offset = trd*0x4000 + reg*0x1000;
370
    u32 ret = *(bar1 + offset/4);
371
 
372
    return ret;
373
}
374
 
375
//-----------------------------------------------------------------------------
376
 
377
u32 pex_board::core_reg_peek_ind( u32 trd, u32 reg )
378
{
379
    if( (trd>15) || (reg>0x3FF) )
380
        return -1;
381
 
382
    u32 status;
383
    u32 Status  = trd*0x4000;
384
    u32 CmdAdr  = trd*0x4000 + 0x2000;
385
    u32 CmdData = trd*0x4000 + 0x3000;
386
    u32 ret;
387
 
388
    bar1[CmdAdr/4] = reg;
389
 
390
    for( int ii=0; ; ii++ ) {
391
 
392
        status = bar1[Status/4];
393
        if( status & 1 )
394
            break;
395
 
396
        if( ii>10000 )
397
            core_pause( 1 );
398
        if( ii>20000 ) {
399
            return 0xFFFF;
400
        }
401
    }
402
 
403
    ret = bar1[CmdData/4];
404
    ret &= 0xFFFF;
405
 
406
    return ret;
407
}
408
 
409
//-----------------------------------------------------------------------------
410
 
411
void pex_board::core_reg_poke_dir( u32 trd, u32 reg, u32 val )
412
{
413
    if( (trd>15) || (reg>3) )
414
        return;
415
 
416
    u32 offset = trd*0x4000+reg*0x1000;
417
 
418
    bar1[offset/4]=val;
419
}
420
 
421
//-----------------------------------------------------------------------------
422
 
423
void pex_board::core_reg_poke_ind( u32 trd, u32 reg, u32 val )
424
{
425
    if( (trd>15) || (reg>0x3FF) )
426
        return;
427
 
428
    u32 status;
429
    u32 Status  = trd*0x4000;
430
    u32 CmdAdr  = trd*0x4000 + 0x2000;
431
    u32 CmdData = trd*0x4000 + 0x3000;
432
 
433
    bar1[CmdAdr/4] = reg;
434
 
435
    for( int ii=0; ; ii++ ) {
436
 
437
        status = bar1[Status/4];
438
        if( status & 1 )
439
            break;
440
 
441
        if( ii>10000 )
442
            core_pause( 1 );
443
        if( ii>20000 ) {
444
            return;
445
        }
446
    }
447
 
448
    bar1[CmdData/4] = val;
449
}
450
 
451
//-----------------------------------------------------------------------------
452
 
453
u32  pex_board::core_bar0_read( u32 offset )
454
{
455
    return bar0[offset];
456
}
457
 
458
//-----------------------------------------------------------------------------
459
 
460
void pex_board::core_bar0_write( u32 offset, u32 val )
461
{
462
    bar0[offset] = val;
463
}
464
 
465
//-----------------------------------------------------------------------------
466
 
467
u32  pex_board::core_bar1_read( u32 offset )
468
{
469
    return bar1[offset];
470
}
471
 
472
//-----------------------------------------------------------------------------
473
 
474
void pex_board::core_bar1_write( u32 offset, u32 val )
475
{
476
    bar1[offset] = val;
477
}
478
 
479
//-----------------------------------------------------------------------------
480
 
481
void pex_board::core_block_write( u32 nb, u32 reg, u32 val )
482
{
483
    if( (nb>7) || (reg>31) )
484
        return;
485
 
486
    *(bar0+nb*64+reg*2)=val;
487
}
488
 
489
//-----------------------------------------------------------------------------
490
 
491
u32  pex_board::core_block_read( u32 nb, u32 reg )
492
{
493
    if( (nb>7) || (reg>31) )
494
        return -1;
495
 
496
    u32 ret = 0;
497
 
498
    ret=*(bar0+nb*64+reg*2);
499
    if( reg<8 )
500
        ret&=0xFFFF;
501
 
502
    return ret;
503
}
504
 
505
//-----------------------------------------------------------------------------
506
 
507
u32 pex_board::core_alloc(int DmaChan, BRDctrl_StreamCBufAlloc* sSCA)
508
{
509
    m_DescrSize[DmaChan] = sizeof(AMB_MEM_DMA_CHANNEL) + (sSCA->blkNum - 1) * sizeof(void*);
510
    m_Descr[DmaChan] = (AMB_MEM_DMA_CHANNEL*) new u8[m_DescrSize[DmaChan]];
511
 
512
    m_Descr[DmaChan]->DmaChanNum = DmaChan;
513
    m_Descr[DmaChan]->Direction = sSCA->dir;
514
    m_Descr[DmaChan]->LocalAddr = 0;
515
    m_Descr[DmaChan]->MemType = sSCA->isCont;
516
    m_Descr[DmaChan]->BlockCnt = sSCA->blkNum;
517
    m_Descr[DmaChan]->BlockSize = sSCA->blkSize;
518
    m_Descr[DmaChan]->pStub = NULL;
519
 
520
    for(u32 iBlk = 0; iBlk < sSCA->blkNum; iBlk++) {
521
            m_Descr[DmaChan]->pBlock[iBlk] = NULL;
522
    }
523
 
524
    if( ioctl(fd, IOCTL_AMB_SET_MEMIO, m_Descr[DmaChan]) < 0 ) {
525
        fprintf(stderr, "%s(): Error allocate memory\n", __FUNCTION__ );
526
        return -1;
527
    }
528
 
529
    for(u32 iBlk = 0; iBlk < m_Descr[DmaChan]->BlockCnt; iBlk++) {
530
 
531
        void *MappedAddress = mmap( NULL,
532
                                    m_Descr[DmaChan]->BlockSize,
533
                                    PROT_READ | PROT_WRITE,
534
                                    MAP_SHARED,
535
                                    fd,
536
                                    (off_t)m_Descr[DmaChan]->pBlock[iBlk] );
537
 
538
        if(MappedAddress == MAP_FAILED) {
539
            fprintf(stderr, "%s(): Error map memory\n", __FUNCTION__ );
540
            return -1;
541
        }
542
 
543
        fprintf(stderr,"%d: %p -> %p\n", iBlk, (void*)m_Descr[DmaChan]->pBlock[iBlk], MappedAddress);
544
 
545
        //сохраним отображенный в процесс физический адрес текущего блока
546
        m_Descr[DmaChan]->pBlock[iBlk] = MappedAddress;
547
        sSCA->ppBlk[iBlk] = MappedAddress;
548
/*
549
        u32 *buffer = (u32*)MappedAddress;
550
        for(u32 jj=0; jj<m_Descr[DmaChan]->BlockSize/4; jj+=0x100) {
551
            fprintf(stdout,"%x ", buffer[jj]);
552
        }
553
        fprintf(stdout,"\n");
554
*/
555
    }
556
 
557
    if(m_Descr[DmaChan]->pStub) {
558
 
559
        void *StubAddress = mmap( NULL,
560
                                  sizeof(AMB_STUB),
561
                                  PROT_READ | PROT_WRITE,
562
                                  MAP_SHARED,
563
                                  fd,
564
                                  (off_t)m_Descr[DmaChan]->pStub );
565
 
566
        if(StubAddress == MAP_FAILED) {
567
            fprintf(stderr, "%s(): Error map stub\n", __FUNCTION__ );
568
            return -1;
569
        }
570
 
571
        fprintf(stderr,"Stub: %p -> %p\n", (void*)m_Descr[DmaChan]->pStub, StubAddress);
572
 
573
        m_Descr[DmaChan]->pStub = StubAddress;
574
        sSCA->pStub = (BRDstrm_Stub*)m_Descr[DmaChan]->pStub;
575
    }
576
 
577
    //сохраним информацию в буфере пользователя
578
    sSCA->blkNum = m_Descr[DmaChan]->BlockCnt;
579
 
580
    return 0;
581
}
582
 
583
//-----------------------------------------------------------------------------
584
 
585
u32 pex_board::core_allocate_memory(int DmaChan, void** pBuf, u32 blkSize, u32 blkNum, u32 isSysMem, u32 dir, u32 addr)
586
{
587
    m_DescrSize[DmaChan] = sizeof(AMB_MEM_DMA_CHANNEL) + (blkNum - 1) * sizeof(void*);
588
    m_Descr[DmaChan] = (AMB_MEM_DMA_CHANNEL*) new u8[m_DescrSize[DmaChan]];
589
 
590
    m_Descr[DmaChan]->DmaChanNum = DmaChan;
591
    m_Descr[DmaChan]->Direction = dir;
592
    m_Descr[DmaChan]->LocalAddr = addr;
593
    m_Descr[DmaChan]->MemType = isSysMem;
594
    m_Descr[DmaChan]->BlockCnt = blkNum;
595
    m_Descr[DmaChan]->BlockSize = blkSize;
596
    m_Descr[DmaChan]->pStub = NULL;
597
 
598
    for(u32 iBlk = 0; iBlk < blkNum; iBlk++) {
599
            m_Descr[DmaChan]->pBlock[iBlk] = NULL;
600
    }
601
 
602
    if( ioctl(fd, IOCTL_AMB_SET_MEMIO, m_Descr[DmaChan]) < 0 ) {
603
        fprintf(stderr, "%s(): Error allocate memory\n", __FUNCTION__ );
604
        return -1;
605
    }
606
 
607
    for(u32 iBlk = 0; iBlk < blkNum; iBlk++) {
608
 
609
        void *MappedAddress = mmap( NULL,
610
                                    m_Descr[DmaChan]->BlockSize,
611
                                    PROT_READ | PROT_WRITE,
612
                                    MAP_SHARED,
613
                                    fd,
614
                                    (off_t)m_Descr[DmaChan]->pBlock[iBlk] );
615
 
616
        if(MappedAddress == MAP_FAILED) {
617
            fprintf(stderr, "%s(): Error map memory\n", __FUNCTION__ );
618
            return -1;
619
        }
620
 
621
        fprintf(stderr,"%d: %p -> %p\n", iBlk, (void*)m_Descr[DmaChan]->pBlock[iBlk], MappedAddress);
622
 
623
        //сохраним отображенный в процесс физический адрес текущего блока
624
        m_Descr[DmaChan]->pBlock[iBlk] = MappedAddress;
625
    }
626
 
627
    if(m_Descr[DmaChan]->pStub) {
628
 
629
        void *StubAddress = mmap( NULL,
630
                                  sizeof(AMB_STUB),
631
                                  PROT_READ | PROT_WRITE,
632
                                  MAP_SHARED,
633
                                  fd,
634
                                  (off_t)m_Descr[DmaChan]->pStub );
635
 
636
        if(StubAddress == MAP_FAILED) {
637
            fprintf(stderr, "%s(): Error map stub\n", __FUNCTION__ );
638
            return -1;
639
        }
640
 
641
        fprintf(stderr,"Stub: %p -> %p\n", (void*)m_Descr[DmaChan]->pStub, StubAddress);
642
 
643
        m_Descr[DmaChan]->pStub = StubAddress;
644
    }
645
 
646
    *pBuf = &m_Descr[DmaChan]->pBlock[0];
647
 
648
    return 0;
649
}
650
 
651
//-----------------------------------------------------------------------------
652
 
653
u32  pex_board::core_free_memory(int DmaChan)
654
{
655
    for(u32 iBlk = 0; iBlk < m_Descr[DmaChan]->BlockCnt; iBlk++) {
656
 
657
        munmap( m_Descr[DmaChan]->pBlock[iBlk], m_Descr[DmaChan]->BlockSize );
658
    }
659
 
660
    munmap( m_Descr[DmaChan]->pStub, sizeof(AMB_STUB) );
661
 
662
    if(ioctl(fd, IOCTL_AMB_FREE_MEMIO, m_Descr[DmaChan]) < 0) {
663
        fprintf(stderr, "%s(): Error free memory\n", __FUNCTION__ );
664
        return -1;
665
    }
666
 
667
    delete m_Descr[DmaChan];
668
    m_Descr[DmaChan] = NULL;
669
 
670
    return 0;
671
}
672
 
673
//-----------------------------------------------------------------------------
674
 
675
u32  pex_board::core_start_dma(int DmaChan, int IsCycling)
676
{
677
    if(m_Descr[DmaChan])
678
    {
679
        AMB_START_DMA_CHANNEL StartDescrip;
680
        StartDescrip.DmaChanNum = DmaChan;
681
        StartDescrip.IsCycling = IsCycling;
682
 
683
        if (ioctl(fd,IOCTL_AMB_START_MEMIO,&StartDescrip) < 0) {
684
            fprintf(stderr, "%s(): Error start DMA\n", __FUNCTION__ );
685
            return -1;
686
        }
687
    }
688
    return 0;
689
}
690
 
691
//-----------------------------------------------------------------------------
692
 
693
u32  pex_board::core_stop_dma(int DmaChan)
694
{
695
    if(m_Descr[DmaChan])
696
    {
697
        AMB_STUB* pStub = (AMB_STUB*)m_Descr[DmaChan]->pStub;
698
        if(pStub->state == STATE_RUN)
699
        {
700
            AMB_STATE_DMA_CHANNEL StateDescrip;
701
            StateDescrip.DmaChanNum = DmaChan;
702
            StateDescrip.Timeout = 0;//pState->timeout; останавливает немедленно (в 0-кольце оставлю пока возможность ожидания)
703
 
704
            if (ioctl(fd, IOCTL_AMB_STOP_MEMIO, &StateDescrip) < 0) {
705
                fprintf(stderr, "%s(): Error stop DMA\n", __FUNCTION__ );
706
                return -1;
707
            }
708
        }
709
    }
710
    return 0;
711
}
712
 
713
//-----------------------------------------------------------------------------
714
 
715
u32  pex_board::core_state_dma(int DmaChan, u32 msTimeout, int& state, u32& blkNum)
716
{
717
    AMB_STATE_DMA_CHANNEL StateDescrip;
718
    StateDescrip.DmaChanNum = DmaChan;
719
    StateDescrip.Timeout = msTimeout;
720
 
721
    if (0 > ioctl(fd, IOCTL_AMB_STATE_MEMIO, &StateDescrip)) {
722
        fprintf(stderr, "%s(): Error state DMA\n", __FUNCTION__ );
723
        return -1;
724
    }
725
    blkNum = StateDescrip.BlockCntTotal;
726
    state = StateDescrip.DmaChanState;
727
 
728
    return 0;
729
}
730
 
731
//-----------------------------------------------------------------------------
732
 
733
u32  pex_board::core_wait_buffer(int DmaChan, u32 msTimeout)
734
{
735
    AMB_STATE_DMA_CHANNEL WaitDmaDescr;
736
    WaitDmaDescr.DmaChanNum = DmaChan;
737
    WaitDmaDescr.Timeout = msTimeout;
738
 
739
    if(m_Descr[DmaChan])
740
    {
741
        if (0 > ioctl(fd, IOCTL_AMB_WAIT_DMA_BUFFER, &WaitDmaDescr)) {
742
            fprintf(stderr, "%s(): Error wait buffer DMA\n", __FUNCTION__ );
743
            return -1;
744
        }
745
    }
746
 
747
    return 0;
748
}
749
 
750
//-----------------------------------------------------------------------------
751
 
752
u32  pex_board::core_wait_block(int DmaChan, u32 msTimeout)
753
{
754
    AMB_STATE_DMA_CHANNEL WaitDmaDescr;
755
    WaitDmaDescr.DmaChanNum = DmaChan;
756
    WaitDmaDescr.Timeout = msTimeout;
757
 
758
    if(m_Descr[DmaChan])
759
    {
760
        if (0 > ioctl(fd, IOCTL_AMB_WAIT_DMA_BLOCK, &WaitDmaDescr)) {
761
            fprintf(stderr, "%s(): Error wait block DMA\n", __FUNCTION__ );
762
            return -1;
763
        }
764
    }
765
 
766
    return 0;
767
}
768
 
769
//-----------------------------------------------------------------------------
770
 
771
u32 pex_board::core_reset_fifo(int DmaChan)
772
{
773
    AMB_SET_DMA_CHANNEL DmaParam;
774
    DmaParam.DmaChanNum = DmaChan;
775
    DmaParam.Param = 0;
776
 
777
    if(m_Descr[DmaChan])
778
    {
779
        if (0 > ioctl(fd, IOCTL_AMB_RESET_FIFO, &DmaParam)) {
780
            fprintf(stderr, "%s(): Error reset FIFO\n", __FUNCTION__ );
781
            return -1;
782
        }
783
    }
784
 
785
    return 0;
786
}
787
 
788
//-----------------------------------------------------------------------------
789
 
790
u32 pex_board::core_set_local_addr(int DmaChan, u32 addr)
791
{
792
    AMB_SET_DMA_CHANNEL DmaParam;
793
    DmaParam.DmaChanNum = DmaChan;
794
    DmaParam.Param = 0;
795
 
796
    if(m_Descr[DmaChan])
797
    {
798
        if (0 > ioctl(fd, IOCTL_AMB_SET_SRC_MEM, &DmaParam)) {
799
            fprintf(stderr, "%s(): Error set source for DMA\n", __FUNCTION__ );
800
            return -1;
801
        }
802
    }
803
 
804
    return 0;
805
}
806
 
807
//-----------------------------------------------------------------------------
808
 
809
u32 pex_board::core_adjust(int DmaChan, u32 mode)
810
{
811
    AMB_SET_DMA_CHANNEL DmaParam;
812
    DmaParam.DmaChanNum = DmaChan;
813
    DmaParam.Param = mode;
814
 
815
    if(m_Descr[DmaChan])
816
    {
817
        if (0 > ioctl(fd, IOCTL_AMB_ADJUST, &DmaParam)) {
818
            fprintf(stderr, "%s(): Error adjust DMA\n", __FUNCTION__ );
819
            return -1;
820
        }
821
    }
822
 
823
    return 0;
824
}
825
 
826
//-----------------------------------------------------------------------------
827
 
828
u32 pex_board::core_done(int DmaChan, u32 blockNumber)
829
{
830
    AMB_SET_DMA_CHANNEL DmaParam;
831
    DmaParam.DmaChanNum = DmaChan;
832
    DmaParam.Param = blockNumber;
833
 
834
    if(m_Descr[DmaChan])
835
    {
836
        if (0 > ioctl(fd, IOCTL_AMB_DONE, &DmaParam)) {
837
            fprintf(stderr, "%s(): Error done DMA\n", __FUNCTION__ );
838
            return -1;
839
        }
840
    }
841
 
842
    return 0;
843
}
844
 
845
//-----------------------------------------------------------------------------

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