Repository navigation
Expand file tree
/
Copy pathctn91xx_util.c
More file actions
579 lines (481 loc) · 14.4 KB
/
Copy pathctn91xx_util.c
File metadata and controls
579 lines (481 loc) · 14.4 KB
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
#include "ctn91xx_util.h"
#include "ctn91xx_interrupt.h"
#include "ctn91xx_mpeg.h"
#include "ctn91xx_event.h"
#include "ctn91xx_rtp.h"
#if !USE_LEON
#include <asm/div64.h>
#endif
int ctn91xx_board_init(ctn91xx_dev_t* dev)
{
static int board_ctr = 0;
#if HAS_MPEG_DMA
uint32_t i;
#endif
dev->magic = CTN91XX_MAGIC;
dev->int_enable = 0;
dev->board_number = board_ctr++;
INIT_LIST_HEAD(&dev->event_queue);
INIT_LIST_HEAD(&dev->delayed_event_queue);
mutex_init(&dev->fd_mutex);
spin_lock_init(&dev->event_queue_lock);
spin_lock_init(&dev->delayed_event_queue_lock);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
INIT_WORK( &dev->delayed_event_worker, ctn91xx_delayed_event_worker, &dev->delayed_event_worker );
INIT_WORK( &dev->delayed_slot_number_worker, ctn91xx_delayed_slot_number_worker, &dev->delayed_slot_number_worker );
#else
INIT_WORK( &dev->delayed_event_worker, ctn91xx_delayed_event_worker );
INIT_WORK( &dev->delayed_slot_number_worker, ctn91xx_delayed_slot_number_worker );
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
#else
#endif
spin_lock_init(&dev->isr_lock);
spin_lock_init(&dev->device_lock);
init_waitqueue_head( &dev->msg_buffer_wait_queue );
dev->rpc_buffer = kmalloc( RPC_BUFFER_SIZE, GFP_KERNEL );
if( !dev->rpc_buffer ) {
goto out_of_memory;
}
#if USE_LEON
#endif
#if HAS_MPEG_DMA
dev->dma_timeout = 540000; //20ms in 27mhz cycles
for(i=0; i<NUM_MPEG_DEVICES; i++) {
int j;
vbuffer_t* vbuffer = &dev->mpeg_buffer[i];
vbuffer->dev = dev;
spin_lock_init(&vbuffer->lock);
vbuffer->npages = pages_per_mpeg_device(i);
vbuffer->tuner_index = i;
vbuffer->read_idx = 0;
vbuffer->write_idx = 0;
vbuffer->notify_idx = 0;
vbuffer->buffers = kzalloc(sizeof(void*) * vbuffer->npages, GFP_KERNEL);
vbuffer->dma_addrs = kmalloc(sizeof(dma_addr_t) * vbuffer->npages, GFP_KERNEL);
vbuffer->lock_cnt = kmalloc( vbuffer->npages, GFP_KERNEL );
vbuffer->dropped = kmalloc( vbuffer->npages, GFP_KERNEL );
vbuffer->remaining = kmalloc( vbuffer->npages * sizeof(uint16_t), GFP_KERNEL );
vbuffer->sizes = kmalloc(vbuffer->npages * sizeof(uint16_t), GFP_KERNEL);
vbuffer->pages = kmalloc(vbuffer->npages * sizeof(struct page*), GFP_KERNEL );
if(!vbuffer->lock_cnt
|| !vbuffer->dropped
|| !vbuffer->remaining
|| !vbuffer->sizes
|| !vbuffer->buffers
|| !vbuffer->dma_addrs
|| !vbuffer->pages) {
goto out_of_memory;
}
for( j=0; j<vbuffer->npages; j++ ) {
#if USE_PCI
vbuffer->buffers[j] = pci_alloc_consistent( dev->pdev, PAGE_SIZE, &vbuffer->dma_addrs[j] );
#else
vbuffer->buffers[j] = kmalloc(PAGE_SIZE, GFP_KERNEL);
if( vbuffer->buffers[j] ) {
vbuffer->dma_addrs[j] = virt_to_phys(vbuffer->buffers[j]);
}
#endif
if( !vbuffer->buffers[j] ) {
ERROR("could not alloc mpeg stream %d (%d)", i, j);
goto out_of_memory;
}
vbuffer->pages[j] = virt_to_page(vbuffer->buffers[j]);
memset(vbuffer->buffers[j], 0xaa, PAGE_SIZE);
vbuffer->lock_cnt[j] = 0;
vbuffer->dropped[j] = 0;
vbuffer->sizes[j] = 0;
vbuffer->remaining[j] = 0;
}
vbuffer->header_buffer = vmalloc( PAGE_SIZE );
if( !vbuffer->header_buffer ) {
goto out_of_virtual_memory;
}
vbuffer->header_buffer_page = vmalloc_to_page( vbuffer->header_buffer );
#if USE_PCI
vbuffer->rtp_state.buffer = vmalloc( RTP_SINK_BUFFER_SIZE );
if( !vbuffer->rtp_state.buffer ) {
vfree( vbuffer->header_buffer );
goto out_of_virtual_memory;
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
INIT_WORK( &vbuffer->rtp_state.reader, ctn91xx_rtp_reader, &vbuffer->rtp_state.reader );
#else
INIT_WORK( &vbuffer->rtp_state.reader, ctn91xx_rtp_reader );
#endif
#endif
init_waitqueue_head(&dev->mpeg_wait_queues[i]);
}
#endif
init_waitqueue_head(&dev->event_waitqueue);
return 1;
out_of_memory:
ERROR("out of memory on board init\n");
return 0;
#if HAS_MPEG_DMA
out_of_virtual_memory:
ERROR("out of virtual memory on board init\n");
return 0;
#endif
}
void ctn91xx_board_uninit_dma_pool(ctn91xx_dev_t* dev)
{
int i;
dev->event_user_cnt = 0;
for(i=0; i<NUM_MPEG_DEVICES; i++) {
dev->mpeg_user_cnt[i] = 0;
}
//wait for the dma's to be done
//before trying to unmap the pages
msleep(100);
#if HAS_MPEG_DMA
for(i=0; i<NUM_MPEG_DEVICES; i++) {
int num_pages = num_pages_per_bank(dev, i);
vbuffer_t* vbuffer = &dev->mpeg_buffer[i];
int last_index_to_unmap = WRAPPED_PAGE_INDEX(vbuffer, vbuffer->write_idx + (2*num_pages));
int j;
spin_lock_w_flags(&vbuffer->lock);
for(j = vbuffer->notify_idx; j != last_index_to_unmap; j = (j+1) % vbuffer->npages) {
if(vbuffer->lock_cnt[j] > 0) {
ctn91xx_mpeg_unmap_page(dev, vbuffer, j, 0, i);
}
}
spin_unlock_w_flags(&vbuffer->lock);
for( j=0; j<vbuffer->npages; j++ ) {
#if USE_PCI
pci_free_consistent( dev->pdev, PAGE_SIZE, vbuffer->buffers[j], vbuffer->dma_addrs[j] );
#else
kfree( vbuffer->buffers[j] );
#endif
}
vfree( vbuffer->header_buffer );
kfree( vbuffer->buffers );
kfree( vbuffer->lock_cnt );
kfree( vbuffer->dropped );
kfree( vbuffer->remaining );
kfree( vbuffer->sizes );
kfree( vbuffer->pages );
kfree( vbuffer->dma_addrs );
}
#endif
}
void ctn91xx_board_uninit(ctn91xx_dev_t* dev)
{
ctn91xx_event_cleanup_waiting(dev);
#if USE_LEON
#endif
if( dev->rpc_buffer ) {
kfree( dev->rpc_buffer );
dev->rpc_buffer = NULL;
}
ctn91xx_board_uninit_dma_pool(dev);
}
#if PRINT_RW
ctn91xx_dev_t* gdev = NULL;
ctn91xx_set_dev(ctn91xx_dev_t* dev) {
gdev = dev;
}
#endif
void ctn91xx_orin8(uint8_t data, void* __iomem base, unsigned long offset)
{
BUG_ON(!base);
ctn91xx_write8( (ctn91xx_read8(base, offset) | data), base, offset );
}
void ctn91xx_andin8(uint8_t data, void* __iomem base, unsigned long offset)
{
BUG_ON(!base);
ctn91xx_write8( (ctn91xx_read8(base, offset) & data), base, offset );
}
void ctn91xx_orin32(uint32_t data, void* __iomem base, unsigned long offset)
{
BUG_ON(!base);
ctn91xx_write32( (ctn91xx_read32(base, offset) | data), base, offset );
}
void ctn91xx_andin32(uint32_t data, void* __iomem base, unsigned long offset)
{
BUG_ON(!base);
ctn91xx_write32( (ctn91xx_read32(base, offset) & data), base, offset );
}
void ctn91xx_write8(uint8_t byte, void __iomem* base, unsigned long offset)
{
BUG_ON(!base);
if (base != 0) {
#if PRINT_RW
INFO("w8 0x%08x 0x%02x", base+offset, byte);
ctn91xx_busywait(gdev, 1000);
#endif
#if USE_PCI
writeb(byte, ((uint8_t*)base)+offset);
#if READ_FOR_EVERY_WRITE
readb(((uint8_t*)base)+offset);
#endif
#elif USE_LEON
__raw_writeb( byte, ((uint8_t*)base)+offset );
#endif
}
}
void ctn91xx_write16(uint16_t data, void __iomem* base, unsigned long offset)
{
BUG_ON(!base);
if (base != 0) {
#if PRINT_RW
INFO("w16 0x%08x 0x%02x", base+offset, data);
ctn91xx_busywait(gdev, 1000);
#endif
#if USE_PCI
writew(data, ((uint8_t*)base)+offset);
#if READ_FOR_EVERY_WRITE
readw(((uint8_t*)base)+offset);
#endif
#elif USE_LEON
__raw_writew( data, ((uint8_t*)base)+offset );
#endif
}
}
void ctn91xx_write32(uint32_t data, void __iomem* base, unsigned long offset)
{
BUG_ON(!base);
if (base != 0) {
#if PRINT_RW
INFO("w32 0x%08x 0x%02x", base+offset, data);
ctn91xx_busywait(gdev, 1000);
#endif
#if USE_PCI
writel(data, ((uint8_t*)base)+offset);
#if READ_FOR_EVERY_WRITE
readl(((uint8_t*)base)+offset);
#endif
#elif USE_LEON
__raw_writel( data, ((uint8_t*)base)+offset );
#endif
}
}
#if USE_LEON
void ctn91xx_write64(uint64_t data, void __iomem* base, unsigned long offset)
{
BUG_ON(!base);
if (base != 0) {
#if PRINT_RW
INFO("w64 0x%08x 0x%02x", base+offset, data);
ctn91xx_busywait(gdev, 1000);
#endif
writell(data, ((uint8_t*)base)+offset);
#if READ_FOR_EVERY_WRITE
data = readll(((uint8_t*)base)+offset);
#endif
}
}
#endif
uint8_t ctn91xx_read8(void __iomem* base, unsigned long offset)
{
BUG_ON(!base);
if (base != 0) {
#if PRINT_RW
INFO("r8 0x%08x", base+offset);
ctn91xx_busywait(gdev, 1000);
#endif
#if USE_PCI
return readb(((uint8_t*)base)+offset);
#elif USE_LEON
return __raw_readb(((uint8_t*)base)+offset);
#endif
} else {
ctn91xx_dev_t* dev = NULL;
ERROR("read from unmapped memory");
return 0xff;
}
}
uint16_t ctn91xx_read16(void __iomem* base, unsigned long offset)
{
BUG_ON(!base);
if (base != 0) {
#if PRINT_RW
INFO("r16 0x%08x", base+offset);
ctn91xx_busywait(gdev, 1000);
#endif
#if USE_PCI
return readw(((uint8_t*)base)+offset);
#elif USE_LEON
return __raw_readw(((uint8_t*)base)+offset);
#endif
} else {
ctn91xx_dev_t* dev = NULL;
ERROR("read from unmapped memory");
return 0xffff;
}
}
uint32_t ctn91xx_read32(void __iomem* base, unsigned long offset)
{
BUG_ON(!base);
if (base != 0) {
#if PRINT_RW
INFO("r32 0x%08x", base+offset);
ctn91xx_busywait(gdev, 1000);
#endif
#if USE_PCI
return readl(((uint8_t*)base)+offset);
#elif USE_LEON
return __raw_readl(((uint8_t*)base)+offset);
#endif
} else {
ctn91xx_dev_t* dev = NULL;
ERROR("read from unmapped memory");
return 0xffffffff;
}
}
uint64_t ctn91xx_read64(void __iomem* base, unsigned long offset)
{
BUG_ON(!base);
if (base != 0) {
return readll(((uint8_t*)base)+offset);
} else {
ctn91xx_dev_t* dev = NULL;
ERROR("read from unmapped memory");
return 0xffffffffffffffffULL;
}
}
uint16_t ctn91xx_release_version(ctn91xx_dev_t* dev) {
return dev->release_version;
}
uint16_t ctn91xx_chip_version(ctn91xx_dev_t* dev) {
return dev->chip_version;
}
//deprecated
uint32_t ctn91xx_board_version(ctn91xx_dev_t* dev) {
return dev->board_version;
}
uint32_t ctn91xx_which_proc(ctn91xx_dev_t* dev)
{
return DMA_PROC | DRM_PROC | CC_PROC | EXT_PROC;
return dev->which_proc;
}
uint64_t ctn91xx_gettick(ctn91xx_dev_t* dev)
{
return ctn91xx_read64(dev->system_control_base, SYSTEM_CONTROL_UP_TIME_OFFSET);
}
uint64_t ctn91xx_up_time(ctn91xx_dev_t* dev)
{
uint64_t cur_tick = ctn91xx_gettick(dev);
uint64_t ns;
#if USE_LEON
ns = (cur_tick / (uint64_t)dev->ticks_per_us)*1000ULL;
#else
do_div(cur_tick, (uint64_t)dev->ticks_per_us);
ns = cur_tick*1000ULL;
#endif
return ns;
}
void ctn91xx_busywait(ctn91xx_dev_t* dev, uint32_t us) {
uint64_t ns = us*1000ULL;
uint64_t s = ctn91xx_up_time(dev);
uint64_t e;
do
{
e = ctn91xx_up_time(dev);
} while(e - s < ns);
}
void ctn91xx_mod_sdump_buffer( const char * module_name, const char * function, int line, const uint8_t* buf, uint32_t length, const char* name)
{
int i, j, i_valid;
u32 remainder = (length % 16);
u32 top_len = length + (remainder ? 16 - remainder : 0);
u32 char_index;
u8 c;
if (name) {
printk("%s:%i DUMP: \"%s\" (%p) length %d\n", function, line, name, buf, length);
} else {
printk("%s:%i DUMP: (%p) length %d\n", function, line, buf, length);
}
printk("%08d ", 0);
for(i=0; i<top_len; i++) {
i_valid = (i < length);
if (i_valid) {
printk("%02x ", buf[i]);
} else {
printk(" ");
}
if(i % 16 == 15 && i != 0) {
printk(" |");
j = 0;
for(j=0; j<16; j++) {
char_index = i - 15 + j;
if (char_index < length) {
c = buf[char_index];
printk("%c", (c >= '0' && c <= 'z') ? c : '.');
} else {
printk("%c", ' ');
}
}
if (i == top_len - 1) {
printk("|");
} else {
printk("|\n%08d ", i+1);
}
} else if (i % 8 == 7) {
printk(" ");
}
}
printk( "\n");
}
void ctn91xx_mod_pci_cfg_sdump_buffer( const char * module_name, const char * function, int line, struct pci_dev* pdev, int offset, uint32_t length, const char* name)
{
int i, j, i_valid;
u32 remainder = (length % 16);
u32 top_len = length + (remainder ? 16 - remainder : 0);
u32 char_index;
u8 c;
u8 b;
if (name) {
printk("%s:%i DUMP: \"%s\" (%d) length %d\n", function, line, name, offset, length);
} else {
printk("%s:%i DUMP: (%d) length %d\n", function, line, offset, length);
}
printk("%08d ", 0);
for(i=0; i<top_len; i++) {
i_valid = (i < length);
if (i_valid) {
pci_read_config_byte(pdev, i, &b);
printk("%02x ", b);
} else {
printk(" ");
}
if(i % 16 == 15 && i != 0) {
printk(" |");
j = 0;
for(j=0; j<16; j++) {
char_index = i - 15 + j;
if (char_index < length) {
pci_read_config_byte(pdev, char_index, &c);
printk("%c", (c >= '0' && c <= 'z') ? c : '.');
} else {
printk("%c", ' ');
}
}
if (i == top_len - 1) {
printk("|");
} else {
printk("|\n%08d ", i+1);
}
} else if (i % 8 == 7) {
printk(" ");
}
}
printk( "\n");
}
uint8_t solstice_bus_id(uint8_t i2c_addr) {
switch(i2c_addr >> 1) {
case 0x61:
return 0; //First Xceive
case 0x64:
return 1; //Second Xceive
case 0x40:
case 0x47:
case 0x26:
return 2; //Auvitek's and CPLD
case 0x29:
return 3; //DRXj
}
return 0; //doesn't really matter what we pick cause nothing will respond anyway
}
#if USE_LEON
#endif