1 /* 2 * budget-core.c: driver for the SAA7146 based Budget DVB cards 3 * 4 * Compiled from various sources by Michael Hunold <michael@mihu.de> 5 * 6 * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de> 7 * 8 * Copyright (C) 1999-2002 Ralph Metzler 9 * & Marcus Metzler for convergence integrated media GmbH 10 * 11 * 26feb2004 Support for FS Activy Card (Grundig tuner) by 12 * Michael Dreher <michael@5dot1.de>, 13 * Oliver Endriss <o.endriss@gmx.de>, 14 * Andreas 'randy' Weinberger 15 * 16 * This program is free software; you can redistribute it and/or 17 * modify it under the terms of the GNU General Public License 18 * as published by the Free Software Foundation; either version 2 19 * of the License, or (at your option) any later version. 20 * 21 * 22 * This program is distributed in the hope that it will be useful, 23 * but WITHOUT ANY WARRANTY; without even the implied warranty of 24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 25 * GNU General Public License for more details. 26 * 27 * 28 * You should have received a copy of the GNU General Public License 29 * along with this program; if not, write to the Free Software 30 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 31 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html 32 * 33 * 34 * the project's page is at https://linuxtv.org 35 */ 36 37 38 #include "budget.h" 39 #include "ttpci-eeprom.h" 40 41 #define TS_WIDTH (2 * TS_SIZE) 42 #define TS_WIDTH_ACTIVY TS_SIZE 43 #define TS_WIDTH_DVBC TS_SIZE 44 #define TS_HEIGHT_MASK 0xf00 45 #define TS_HEIGHT_MASK_ACTIVY 0xc00 46 #define TS_HEIGHT_MASK_DVBC 0xe00 47 #define TS_MIN_BUFSIZE_K 188 48 #define TS_MAX_BUFSIZE_K 1410 49 #define TS_MAX_BUFSIZE_K_ACTIVY 564 50 #define TS_MAX_BUFSIZE_K_DVBC 1316 51 #define BUFFER_WARNING_WAIT (30*HZ) 52 53 int budget_debug; 54 static int dma_buffer_size = TS_MIN_BUFSIZE_K; 55 module_param_named(debug, budget_debug, int, 0644); 56 module_param_named(bufsize, dma_buffer_size, int, 0444); 57 MODULE_PARM_DESC(debug, "Turn on/off budget debugging (default:off)."); 58 MODULE_PARM_DESC(bufsize, "DMA buffer size in KB, default: 188, min: 188, max: 1410 (Activy: 564)"); 59 60 /**************************************************************************** 61 * TT budget / WinTV Nova 62 ****************************************************************************/ 63 64 static int stop_ts_capture(struct budget *budget) 65 { 66 dprintk(2, "budget: %p\n", budget); 67 68 saa7146_write(budget->dev, MC1, MASK_20); // DMA3 off 69 SAA7146_IER_DISABLE(budget->dev, MASK_10); 70 return 0; 71 } 72 73 static int start_ts_capture(struct budget *budget) 74 { 75 struct saa7146_dev *dev = budget->dev; 76 77 dprintk(2, "budget: %p\n", budget); 78 79 if (!budget->feeding || !budget->fe_synced) 80 return 0; 81 82 saa7146_write(dev, MC1, MASK_20); // DMA3 off 83 84 memset(budget->grabbing, 0x00, budget->buffer_size); 85 86 saa7146_write(dev, PCI_BT_V1, 0x001c0000 | (saa7146_read(dev, PCI_BT_V1) & ~0x001f0000)); 87 88 budget->ttbp = 0; 89 90 /* 91 * Signal path on the Activy: 92 * 93 * tuner -> SAA7146 port A -> SAA7146 BRS -> SAA7146 DMA3 -> memory 94 * 95 * Since the tuner feeds 204 bytes packets into the SAA7146, 96 * DMA3 is configured to strip the trailing 16 FEC bytes: 97 * Pitch: 188, NumBytes3: 188, NumLines3: 1024 98 */ 99 100 switch(budget->card->type) { 101 case BUDGET_FS_ACTIVY: 102 saa7146_write(dev, DD1_INIT, 0x04000000); 103 saa7146_write(dev, MC2, (MASK_09 | MASK_25)); 104 saa7146_write(dev, BRS_CTRL, 0x00000000); 105 break; 106 case BUDGET_PATCH: 107 saa7146_write(dev, DD1_INIT, 0x00000200); 108 saa7146_write(dev, MC2, (MASK_10 | MASK_26)); 109 saa7146_write(dev, BRS_CTRL, 0x60000000); 110 break; 111 case BUDGET_CIN1200C_MK3: 112 case BUDGET_KNC1C_MK3: 113 case BUDGET_KNC1C_TDA10024: 114 case BUDGET_KNC1CP_MK3: 115 if (budget->video_port == BUDGET_VIDEO_PORTA) { 116 saa7146_write(dev, DD1_INIT, 0x06000200); 117 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); 118 saa7146_write(dev, BRS_CTRL, 0x00000000); 119 } else { 120 saa7146_write(dev, DD1_INIT, 0x00000600); 121 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); 122 saa7146_write(dev, BRS_CTRL, 0x60000000); 123 } 124 break; 125 default: 126 if (budget->video_port == BUDGET_VIDEO_PORTA) { 127 saa7146_write(dev, DD1_INIT, 0x06000200); 128 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); 129 saa7146_write(dev, BRS_CTRL, 0x00000000); 130 } else { 131 saa7146_write(dev, DD1_INIT, 0x02000600); 132 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); 133 saa7146_write(dev, BRS_CTRL, 0x60000000); 134 } 135 } 136 137 saa7146_write(dev, MC2, (MASK_08 | MASK_24)); 138 mdelay(10); 139 140 saa7146_write(dev, BASE_ODD3, 0); 141 if (budget->buffer_size > budget->buffer_height * budget->buffer_width) { 142 // using odd/even buffers 143 saa7146_write(dev, BASE_EVEN3, budget->buffer_height * budget->buffer_width); 144 } else { 145 // using a single buffer 146 saa7146_write(dev, BASE_EVEN3, 0); 147 } 148 saa7146_write(dev, PROT_ADDR3, budget->buffer_size); 149 saa7146_write(dev, BASE_PAGE3, budget->pt.dma | ME1 | 0x90); 150 151 saa7146_write(dev, PITCH3, budget->buffer_width); 152 saa7146_write(dev, NUM_LINE_BYTE3, 153 (budget->buffer_height << 16) | budget->buffer_width); 154 155 saa7146_write(dev, MC2, (MASK_04 | MASK_20)); 156 157 SAA7146_ISR_CLEAR(budget->dev, MASK_10); /* VPE */ 158 SAA7146_IER_ENABLE(budget->dev, MASK_10); /* VPE */ 159 saa7146_write(dev, MC1, (MASK_04 | MASK_20)); /* DMA3 on */ 160 161 return 0; 162 } 163 164 static int budget_read_fe_status(struct dvb_frontend *fe, 165 enum fe_status *status) 166 { 167 struct budget *budget = (struct budget *) fe->dvb->priv; 168 int synced; 169 int ret; 170 171 if (budget->read_fe_status) 172 ret = budget->read_fe_status(fe, status); 173 else 174 ret = -EINVAL; 175 176 if (!ret) { 177 synced = (*status & FE_HAS_LOCK); 178 if (synced != budget->fe_synced) { 179 budget->fe_synced = synced; 180 spin_lock(&budget->feedlock); 181 if (synced) 182 start_ts_capture(budget); 183 else 184 stop_ts_capture(budget); 185 spin_unlock(&budget->feedlock); 186 } 187 } 188 return ret; 189 } 190 191 static void vpeirq(unsigned long data) 192 { 193 struct budget *budget = (struct budget *) data; 194 u8 *mem = (u8 *) (budget->grabbing); 195 u32 olddma = budget->ttbp; 196 u32 newdma = saa7146_read(budget->dev, PCI_VDP3); 197 u32 count; 198 199 /* Ensure streamed PCI data is synced to CPU */ 200 pci_dma_sync_sg_for_cpu(budget->dev->pci, budget->pt.slist, budget->pt.nents, PCI_DMA_FROMDEVICE); 201 202 /* nearest lower position divisible by 188 */ 203 newdma -= newdma % 188; 204 205 if (newdma >= budget->buffer_size) 206 return; 207 208 budget->ttbp = newdma; 209 210 if (budget->feeding == 0 || newdma == olddma) 211 return; 212 213 if (newdma > olddma) { /* no wraparound, dump olddma..newdma */ 214 count = newdma - olddma; 215 dvb_dmx_swfilter_packets(&budget->demux, mem + olddma, count / 188); 216 } else { /* wraparound, dump olddma..buflen and 0..newdma */ 217 count = budget->buffer_size - olddma; 218 dvb_dmx_swfilter_packets(&budget->demux, mem + olddma, count / 188); 219 count += newdma; 220 dvb_dmx_swfilter_packets(&budget->demux, mem, newdma / 188); 221 } 222 223 if (count > budget->buffer_warning_threshold) 224 budget->buffer_warnings++; 225 226 if (budget->buffer_warnings && time_after(jiffies, budget->buffer_warning_time)) { 227 printk("%s %s: used %d times >80%% of buffer (%u bytes now)\n", 228 budget->dev->name, __func__, budget->buffer_warnings, count); 229 budget->buffer_warning_time = jiffies + BUFFER_WARNING_WAIT; 230 budget->buffer_warnings = 0; 231 } 232 } 233 234 235 static int ttpci_budget_debiread_nolock(struct budget *budget, u32 config, 236 int addr, int count, int nobusyloop) 237 { 238 struct saa7146_dev *saa = budget->dev; 239 int result; 240 241 result = saa7146_wait_for_debi_done(saa, nobusyloop); 242 if (result < 0) 243 return result; 244 245 saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x10000 | (addr & 0xffff)); 246 saa7146_write(saa, DEBI_CONFIG, config); 247 saa7146_write(saa, DEBI_PAGE, 0); 248 saa7146_write(saa, MC2, (2 << 16) | 2); 249 250 result = saa7146_wait_for_debi_done(saa, nobusyloop); 251 if (result < 0) 252 return result; 253 254 result = saa7146_read(saa, DEBI_AD); 255 result &= (0xffffffffUL >> ((4 - count) * 8)); 256 return result; 257 } 258 259 int ttpci_budget_debiread(struct budget *budget, u32 config, int addr, int count, 260 int uselocks, int nobusyloop) 261 { 262 if (count > 4 || count <= 0) 263 return 0; 264 265 if (uselocks) { 266 unsigned long flags; 267 int result; 268 269 spin_lock_irqsave(&budget->debilock, flags); 270 result = ttpci_budget_debiread_nolock(budget, config, addr, 271 count, nobusyloop); 272 spin_unlock_irqrestore(&budget->debilock, flags); 273 return result; 274 } 275 return ttpci_budget_debiread_nolock(budget, config, addr, 276 count, nobusyloop); 277 } 278 279 static int ttpci_budget_debiwrite_nolock(struct budget *budget, u32 config, 280 int addr, int count, u32 value, int nobusyloop) 281 { 282 struct saa7146_dev *saa = budget->dev; 283 int result; 284 285 result = saa7146_wait_for_debi_done(saa, nobusyloop); 286 if (result < 0) 287 return result; 288 289 saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x00000 | (addr & 0xffff)); 290 saa7146_write(saa, DEBI_CONFIG, config); 291 saa7146_write(saa, DEBI_PAGE, 0); 292 saa7146_write(saa, DEBI_AD, value); 293 saa7146_write(saa, MC2, (2 << 16) | 2); 294 295 result = saa7146_wait_for_debi_done(saa, nobusyloop); 296 return result < 0 ? result : 0; 297 } 298 299 int ttpci_budget_debiwrite(struct budget *budget, u32 config, int addr, 300 int count, u32 value, int uselocks, int nobusyloop) 301 { 302 if (count > 4 || count <= 0) 303 return 0; 304 305 if (uselocks) { 306 unsigned long flags; 307 int result; 308 309 spin_lock_irqsave(&budget->debilock, flags); 310 result = ttpci_budget_debiwrite_nolock(budget, config, addr, 311 count, value, nobusyloop); 312 spin_unlock_irqrestore(&budget->debilock, flags); 313 return result; 314 } 315 return ttpci_budget_debiwrite_nolock(budget, config, addr, 316 count, value, nobusyloop); 317 } 318 319 320 /**************************************************************************** 321 * DVB API SECTION 322 ****************************************************************************/ 323 324 static int budget_start_feed(struct dvb_demux_feed *feed) 325 { 326 struct dvb_demux *demux = feed->demux; 327 struct budget *budget = (struct budget *) demux->priv; 328 int status = 0; 329 330 dprintk(2, "budget: %p\n", budget); 331 332 if (!demux->dmx.frontend) 333 return -EINVAL; 334 335 spin_lock(&budget->feedlock); 336 feed->pusi_seen = 0; /* have a clean section start */ 337 if (budget->feeding++ == 0) 338 status = start_ts_capture(budget); 339 spin_unlock(&budget->feedlock); 340 return status; 341 } 342 343 static int budget_stop_feed(struct dvb_demux_feed *feed) 344 { 345 struct dvb_demux *demux = feed->demux; 346 struct budget *budget = (struct budget *) demux->priv; 347 int status = 0; 348 349 dprintk(2, "budget: %p\n", budget); 350 351 spin_lock(&budget->feedlock); 352 if (--budget->feeding == 0) 353 status = stop_ts_capture(budget); 354 spin_unlock(&budget->feedlock); 355 return status; 356 } 357 358 static int budget_register(struct budget *budget) 359 { 360 struct dvb_demux *dvbdemux = &budget->demux; 361 int ret; 362 363 dprintk(2, "budget: %p\n", budget); 364 365 dvbdemux->priv = (void *) budget; 366 367 dvbdemux->filternum = 256; 368 dvbdemux->feednum = 256; 369 dvbdemux->start_feed = budget_start_feed; 370 dvbdemux->stop_feed = budget_stop_feed; 371 dvbdemux->write_to_decoder = NULL; 372 373 dvbdemux->dmx.capabilities = (DMX_TS_FILTERING | DMX_SECTION_FILTERING | 374 DMX_MEMORY_BASED_FILTERING); 375 376 dvb_dmx_init(&budget->demux); 377 378 budget->dmxdev.filternum = 256; 379 budget->dmxdev.demux = &dvbdemux->dmx; 380 budget->dmxdev.capabilities = 0; 381 382 dvb_dmxdev_init(&budget->dmxdev, &budget->dvb_adapter); 383 384 budget->hw_frontend.source = DMX_FRONTEND_0; 385 386 ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->hw_frontend); 387 388 if (ret < 0) 389 return ret; 390 391 budget->mem_frontend.source = DMX_MEMORY_FE; 392 ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->mem_frontend); 393 if (ret < 0) 394 return ret; 395 396 ret = dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, &budget->hw_frontend); 397 if (ret < 0) 398 return ret; 399 400 dvb_net_init(&budget->dvb_adapter, &budget->dvb_net, &dvbdemux->dmx); 401 402 return 0; 403 } 404 405 static void budget_unregister(struct budget *budget) 406 { 407 struct dvb_demux *dvbdemux = &budget->demux; 408 409 dprintk(2, "budget: %p\n", budget); 410 411 dvb_net_release(&budget->dvb_net); 412 413 dvbdemux->dmx.close(&dvbdemux->dmx); 414 dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &budget->hw_frontend); 415 dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &budget->mem_frontend); 416 417 dvb_dmxdev_release(&budget->dmxdev); 418 dvb_dmx_release(&budget->demux); 419 } 420 421 int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev, 422 struct saa7146_pci_extension_data *info, 423 struct module *owner, short *adapter_nums) 424 { 425 int ret = 0; 426 struct budget_info *bi = info->ext_priv; 427 int max_bufsize; 428 int height_mask; 429 430 memset(budget, 0, sizeof(struct budget)); 431 432 dprintk(2, "dev: %p, budget: %p\n", dev, budget); 433 434 budget->card = bi; 435 budget->dev = (struct saa7146_dev *) dev; 436 437 switch(budget->card->type) { 438 case BUDGET_FS_ACTIVY: 439 budget->buffer_width = TS_WIDTH_ACTIVY; 440 max_bufsize = TS_MAX_BUFSIZE_K_ACTIVY; 441 height_mask = TS_HEIGHT_MASK_ACTIVY; 442 break; 443 444 case BUDGET_KNC1C: 445 case BUDGET_KNC1CP: 446 case BUDGET_CIN1200C: 447 case BUDGET_KNC1C_MK3: 448 case BUDGET_KNC1C_TDA10024: 449 case BUDGET_KNC1CP_MK3: 450 case BUDGET_CIN1200C_MK3: 451 budget->buffer_width = TS_WIDTH_DVBC; 452 max_bufsize = TS_MAX_BUFSIZE_K_DVBC; 453 height_mask = TS_HEIGHT_MASK_DVBC; 454 break; 455 456 default: 457 budget->buffer_width = TS_WIDTH; 458 max_bufsize = TS_MAX_BUFSIZE_K; 459 height_mask = TS_HEIGHT_MASK; 460 } 461 462 if (dma_buffer_size < TS_MIN_BUFSIZE_K) 463 dma_buffer_size = TS_MIN_BUFSIZE_K; 464 else if (dma_buffer_size > max_bufsize) 465 dma_buffer_size = max_bufsize; 466 467 budget->buffer_height = dma_buffer_size * 1024 / budget->buffer_width; 468 if (budget->buffer_height > 0xfff) { 469 budget->buffer_height /= 2; 470 budget->buffer_height &= height_mask; 471 budget->buffer_size = 2 * budget->buffer_height * budget->buffer_width; 472 } else { 473 budget->buffer_height &= height_mask; 474 budget->buffer_size = budget->buffer_height * budget->buffer_width; 475 } 476 budget->buffer_warning_threshold = budget->buffer_size * 80/100; 477 budget->buffer_warnings = 0; 478 budget->buffer_warning_time = jiffies; 479 480 dprintk(2, "%s: buffer type = %s, width = %d, height = %d\n", 481 budget->dev->name, 482 budget->buffer_size > budget->buffer_width * budget->buffer_height ? "odd/even" : "single", 483 budget->buffer_width, budget->buffer_height); 484 printk("%s: dma buffer size %u\n", budget->dev->name, budget->buffer_size); 485 486 ret = dvb_register_adapter(&budget->dvb_adapter, budget->card->name, 487 owner, &budget->dev->pci->dev, adapter_nums); 488 if (ret < 0) 489 return ret; 490 491 /* set dd1 stream a & b */ 492 saa7146_write(dev, DD1_STREAM_B, 0x00000000); 493 saa7146_write(dev, MC2, (MASK_09 | MASK_25)); 494 saa7146_write(dev, MC2, (MASK_10 | MASK_26)); 495 saa7146_write(dev, DD1_INIT, 0x02000000); 496 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); 497 498 if (bi->type != BUDGET_FS_ACTIVY) 499 budget->video_port = BUDGET_VIDEO_PORTB; 500 else 501 budget->video_port = BUDGET_VIDEO_PORTA; 502 spin_lock_init(&budget->feedlock); 503 spin_lock_init(&budget->debilock); 504 505 /* the Siemens DVB needs this if you want to have the i2c chips 506 get recognized before the main driver is loaded */ 507 if (bi->type != BUDGET_FS_ACTIVY) 508 saa7146_write(dev, GPIO_CTRL, 0x500000); /* GPIO 3 = 1 */ 509 510 strlcpy(budget->i2c_adap.name, budget->card->name, sizeof(budget->i2c_adap.name)); 511 512 saa7146_i2c_adapter_prepare(dev, &budget->i2c_adap, SAA7146_I2C_BUS_BIT_RATE_120); 513 strcpy(budget->i2c_adap.name, budget->card->name); 514 515 if (i2c_add_adapter(&budget->i2c_adap) < 0) { 516 ret = -ENOMEM; 517 goto err_dvb_unregister; 518 } 519 520 ttpci_eeprom_parse_mac(&budget->i2c_adap, budget->dvb_adapter.proposed_mac); 521 522 budget->grabbing = saa7146_vmalloc_build_pgtable(dev->pci, budget->buffer_size, &budget->pt); 523 if (NULL == budget->grabbing) { 524 ret = -ENOMEM; 525 goto err_del_i2c; 526 } 527 528 saa7146_write(dev, PCI_BT_V1, 0x001c0000); 529 /* upload all */ 530 saa7146_write(dev, GPIO_CTRL, 0x000000); 531 532 tasklet_init(&budget->vpe_tasklet, vpeirq, (unsigned long) budget); 533 534 /* frontend power on */ 535 if (bi->type != BUDGET_FS_ACTIVY) 536 saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI); 537 538 if ((ret = budget_register(budget)) == 0) 539 return 0; /* Everything OK */ 540 541 /* An error occurred, cleanup resources */ 542 saa7146_vfree_destroy_pgtable(dev->pci, budget->grabbing, &budget->pt); 543 544 err_del_i2c: 545 i2c_del_adapter(&budget->i2c_adap); 546 547 err_dvb_unregister: 548 dvb_unregister_adapter(&budget->dvb_adapter); 549 550 return ret; 551 } 552 553 void ttpci_budget_init_hooks(struct budget *budget) 554 { 555 if (budget->dvb_frontend && !budget->read_fe_status) { 556 budget->read_fe_status = budget->dvb_frontend->ops.read_status; 557 budget->dvb_frontend->ops.read_status = budget_read_fe_status; 558 } 559 } 560 561 int ttpci_budget_deinit(struct budget *budget) 562 { 563 struct saa7146_dev *dev = budget->dev; 564 565 dprintk(2, "budget: %p\n", budget); 566 567 budget_unregister(budget); 568 569 tasklet_kill(&budget->vpe_tasklet); 570 571 saa7146_vfree_destroy_pgtable(dev->pci, budget->grabbing, &budget->pt); 572 573 i2c_del_adapter(&budget->i2c_adap); 574 575 dvb_unregister_adapter(&budget->dvb_adapter); 576 577 return 0; 578 } 579 580 void ttpci_budget_irq10_handler(struct saa7146_dev *dev, u32 * isr) 581 { 582 struct budget *budget = (struct budget *) dev->ext_priv; 583 584 dprintk(8, "dev: %p, budget: %p\n", dev, budget); 585 586 if (*isr & MASK_10) 587 tasklet_schedule(&budget->vpe_tasklet); 588 } 589 590 void ttpci_budget_set_video_port(struct saa7146_dev *dev, int video_port) 591 { 592 struct budget *budget = (struct budget *) dev->ext_priv; 593 594 spin_lock(&budget->feedlock); 595 budget->video_port = video_port; 596 if (budget->feeding) { 597 stop_ts_capture(budget); 598 start_ts_capture(budget); 599 } 600 spin_unlock(&budget->feedlock); 601 } 602 603 EXPORT_SYMBOL_GPL(ttpci_budget_debiread); 604 EXPORT_SYMBOL_GPL(ttpci_budget_debiwrite); 605 EXPORT_SYMBOL_GPL(ttpci_budget_init); 606 EXPORT_SYMBOL_GPL(ttpci_budget_init_hooks); 607 EXPORT_SYMBOL_GPL(ttpci_budget_deinit); 608 EXPORT_SYMBOL_GPL(ttpci_budget_irq10_handler); 609 EXPORT_SYMBOL_GPL(ttpci_budget_set_video_port); 610 EXPORT_SYMBOL_GPL(budget_debug); 611 612 MODULE_LICENSE("GPL"); 613