1 /* 2 * 3 * device driver for philips saa7134 based TV cards 4 * driver core 5 * 6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23 #include <linux/init.h> 24 #include <linux/list.h> 25 #include <linux/module.h> 26 #include <linux/kernel.h> 27 #include <linux/slab.h> 28 #include <linux/kmod.h> 29 #include <linux/sound.h> 30 #include <linux/interrupt.h> 31 #include <linux/delay.h> 32 #include <linux/mutex.h> 33 #include <linux/dma-mapping.h> 34 #include <linux/pm.h> 35 36 #include "saa7134-reg.h" 37 #include "saa7134.h" 38 39 MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards"); 40 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); 41 MODULE_LICENSE("GPL"); 42 MODULE_VERSION(SAA7134_VERSION); 43 44 45 /* ------------------------------------------------------------------ */ 46 47 static unsigned int irq_debug; 48 module_param(irq_debug, int, 0644); 49 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); 50 51 static unsigned int core_debug; 52 module_param(core_debug, int, 0644); 53 MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); 54 55 static unsigned int gpio_tracking; 56 module_param(gpio_tracking, int, 0644); 57 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]"); 58 59 static unsigned int alsa = 1; 60 module_param(alsa, int, 0644); 61 MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]"); 62 63 static unsigned int latency = UNSET; 64 module_param(latency, int, 0444); 65 MODULE_PARM_DESC(latency,"pci latency timer"); 66 67 int saa7134_no_overlay=-1; 68 module_param_named(no_overlay, saa7134_no_overlay, int, 0444); 69 MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)" 70 " [some VIA/SIS chipsets are known to have problem with overlay]"); 71 72 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 73 static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 74 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 75 static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 76 static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 77 78 79 module_param_array(video_nr, int, NULL, 0444); 80 module_param_array(vbi_nr, int, NULL, 0444); 81 module_param_array(radio_nr, int, NULL, 0444); 82 module_param_array(tuner, int, NULL, 0444); 83 module_param_array(card, int, NULL, 0444); 84 85 MODULE_PARM_DESC(video_nr, "video device number"); 86 MODULE_PARM_DESC(vbi_nr, "vbi device number"); 87 MODULE_PARM_DESC(radio_nr, "radio device number"); 88 MODULE_PARM_DESC(tuner, "tuner type"); 89 MODULE_PARM_DESC(card, "card type"); 90 91 DEFINE_MUTEX(saa7134_devlist_lock); 92 EXPORT_SYMBOL(saa7134_devlist_lock); 93 LIST_HEAD(saa7134_devlist); 94 EXPORT_SYMBOL(saa7134_devlist); 95 static LIST_HEAD(mops_list); 96 static unsigned int saa7134_devcount; 97 98 int (*saa7134_dmasound_init)(struct saa7134_dev *dev); 99 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev); 100 101 #define dprintk(fmt, arg...) if (core_debug) \ 102 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg) 103 104 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg) 105 { 106 unsigned long mode,status; 107 108 if (!gpio_tracking) 109 return; 110 /* rising SAA7134_GPIO_GPRESCAN reads the status */ 111 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0); 112 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN); 113 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff; 114 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff; 115 printk(KERN_DEBUG 116 "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n", 117 dev->name, mode, (~mode) & status, mode & status, msg); 118 } 119 120 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value) 121 { 122 u32 index, bitval; 123 124 index = 1 << bit_no; 125 switch (value) { 126 case 0: /* static value */ 127 case 1: dprintk("setting GPIO%d to static %d\n", bit_no, value); 128 /* turn sync mode off if necessary */ 129 if (index & 0x00c00000) 130 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00); 131 if (value) 132 bitval = index; 133 else 134 bitval = 0; 135 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index); 136 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval); 137 break; 138 case 3: /* tristate */ 139 dprintk("setting GPIO%d to tristate\n", bit_no); 140 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0); 141 break; 142 } 143 } 144 145 /* ------------------------------------------------------------------ */ 146 147 148 /* ----------------------------------------------------------- */ 149 /* delayed request_module */ 150 151 #if defined(CONFIG_MODULES) && defined(MODULE) 152 153 static void request_module_async(struct work_struct *work){ 154 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk); 155 if (card_is_empress(dev)) 156 request_module("saa7134-empress"); 157 if (card_is_dvb(dev)) 158 request_module("saa7134-dvb"); 159 if (alsa) { 160 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130) 161 request_module("saa7134-alsa"); 162 } 163 } 164 165 static void request_submodules(struct saa7134_dev *dev) 166 { 167 INIT_WORK(&dev->request_module_wk, request_module_async); 168 schedule_work(&dev->request_module_wk); 169 } 170 171 static void flush_request_submodules(struct saa7134_dev *dev) 172 { 173 flush_work(&dev->request_module_wk); 174 } 175 176 #else 177 #define request_submodules(dev) 178 #define flush_request_submodules(dev) 179 #endif /* CONFIG_MODULES */ 180 181 /* ------------------------------------------------------------------ */ 182 183 /* nr of (saa7134-)pages for the given buffer size */ 184 static int saa7134_buffer_pages(int size) 185 { 186 size = PAGE_ALIGN(size); 187 size += PAGE_SIZE; /* for non-page-aligned buffers */ 188 size /= 4096; 189 return size; 190 } 191 192 /* calc max # of buffers from size (must not exceed the 4MB virtual 193 * address space per DMA channel) */ 194 int saa7134_buffer_count(unsigned int size, unsigned int count) 195 { 196 unsigned int maxcount; 197 198 maxcount = 1024 / saa7134_buffer_pages(size); 199 if (count > maxcount) 200 count = maxcount; 201 return count; 202 } 203 204 int saa7134_buffer_startpage(struct saa7134_buf *buf) 205 { 206 return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i; 207 } 208 209 unsigned long saa7134_buffer_base(struct saa7134_buf *buf) 210 { 211 unsigned long base; 212 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); 213 214 base = saa7134_buffer_startpage(buf) * 4096; 215 base += dma->sglist[0].offset; 216 return base; 217 } 218 219 /* ------------------------------------------------------------------ */ 220 221 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt) 222 { 223 __le32 *cpu; 224 dma_addr_t dma_addr = 0; 225 226 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr); 227 if (NULL == cpu) 228 return -ENOMEM; 229 pt->size = SAA7134_PGTABLE_SIZE; 230 pt->cpu = cpu; 231 pt->dma = dma_addr; 232 return 0; 233 } 234 235 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt, 236 struct scatterlist *list, unsigned int length, 237 unsigned int startpage) 238 { 239 __le32 *ptr; 240 unsigned int i,p; 241 242 BUG_ON(NULL == pt || NULL == pt->cpu); 243 244 ptr = pt->cpu + startpage; 245 for (i = 0; i < length; i++, list++) 246 for (p = 0; p * 4096 < list->length; p++, ptr++) 247 *ptr = cpu_to_le32(sg_dma_address(list) - list->offset); 248 return 0; 249 } 250 251 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt) 252 { 253 if (NULL == pt->cpu) 254 return; 255 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma); 256 pt->cpu = NULL; 257 } 258 259 /* ------------------------------------------------------------------ */ 260 261 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf) 262 { 263 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); 264 BUG_ON(in_interrupt()); 265 266 videobuf_waiton(q, &buf->vb, 0, 0); 267 videobuf_dma_unmap(q->dev, dma); 268 videobuf_dma_free(dma); 269 buf->vb.state = VIDEOBUF_NEEDS_INIT; 270 } 271 272 /* ------------------------------------------------------------------ */ 273 274 int saa7134_buffer_queue(struct saa7134_dev *dev, 275 struct saa7134_dmaqueue *q, 276 struct saa7134_buf *buf) 277 { 278 struct saa7134_buf *next = NULL; 279 280 assert_spin_locked(&dev->slock); 281 dprintk("buffer_queue %p\n",buf); 282 if (NULL == q->curr) { 283 if (!q->need_two) { 284 q->curr = buf; 285 buf->activate(dev,buf,NULL); 286 } else if (list_empty(&q->queue)) { 287 list_add_tail(&buf->vb.queue,&q->queue); 288 buf->vb.state = VIDEOBUF_QUEUED; 289 } else { 290 next = list_entry(q->queue.next,struct saa7134_buf, 291 vb.queue); 292 q->curr = buf; 293 buf->activate(dev,buf,next); 294 } 295 } else { 296 list_add_tail(&buf->vb.queue,&q->queue); 297 buf->vb.state = VIDEOBUF_QUEUED; 298 } 299 return 0; 300 } 301 302 void saa7134_buffer_finish(struct saa7134_dev *dev, 303 struct saa7134_dmaqueue *q, 304 unsigned int state) 305 { 306 assert_spin_locked(&dev->slock); 307 dprintk("buffer_finish %p\n",q->curr); 308 309 /* finish current buffer */ 310 q->curr->vb.state = state; 311 do_gettimeofday(&q->curr->vb.ts); 312 wake_up(&q->curr->vb.done); 313 q->curr = NULL; 314 } 315 316 void saa7134_buffer_next(struct saa7134_dev *dev, 317 struct saa7134_dmaqueue *q) 318 { 319 struct saa7134_buf *buf,*next = NULL; 320 321 assert_spin_locked(&dev->slock); 322 BUG_ON(NULL != q->curr); 323 324 if (!list_empty(&q->queue)) { 325 /* activate next one from queue */ 326 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue); 327 dprintk("buffer_next %p [prev=%p/next=%p]\n", 328 buf,q->queue.prev,q->queue.next); 329 list_del(&buf->vb.queue); 330 if (!list_empty(&q->queue)) 331 next = list_entry(q->queue.next,struct saa7134_buf, 332 vb.queue); 333 q->curr = buf; 334 buf->activate(dev,buf,next); 335 dprintk("buffer_next #2 prev=%p/next=%p\n", 336 q->queue.prev,q->queue.next); 337 } else { 338 /* nothing to do -- just stop DMA */ 339 dprintk("buffer_next %p\n",NULL); 340 saa7134_set_dmabits(dev); 341 del_timer(&q->timeout); 342 343 if (card_has_mpeg(dev)) 344 if (dev->ts_started) 345 saa7134_ts_stop(dev); 346 } 347 } 348 349 void saa7134_buffer_timeout(unsigned long data) 350 { 351 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data; 352 struct saa7134_dev *dev = q->dev; 353 unsigned long flags; 354 355 spin_lock_irqsave(&dev->slock,flags); 356 357 /* try to reset the hardware (SWRST) */ 358 saa_writeb(SAA7134_REGION_ENABLE, 0x00); 359 saa_writeb(SAA7134_REGION_ENABLE, 0x80); 360 saa_writeb(SAA7134_REGION_ENABLE, 0x00); 361 362 /* flag current buffer as failed, 363 try to start over with the next one. */ 364 if (q->curr) { 365 dprintk("timeout on %p\n",q->curr); 366 saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR); 367 } 368 saa7134_buffer_next(dev,q); 369 spin_unlock_irqrestore(&dev->slock,flags); 370 } 371 372 /* ------------------------------------------------------------------ */ 373 374 int saa7134_set_dmabits(struct saa7134_dev *dev) 375 { 376 u32 split, task=0, ctrl=0, irq=0; 377 enum v4l2_field cap = V4L2_FIELD_ANY; 378 enum v4l2_field ov = V4L2_FIELD_ANY; 379 380 assert_spin_locked(&dev->slock); 381 382 if (dev->insuspend) 383 return 0; 384 385 /* video capture -- dma 0 + video task A */ 386 if (dev->video_q.curr) { 387 task |= 0x01; 388 ctrl |= SAA7134_MAIN_CTRL_TE0; 389 irq |= SAA7134_IRQ1_INTE_RA0_1 | 390 SAA7134_IRQ1_INTE_RA0_0; 391 cap = dev->video_q.curr->vb.field; 392 } 393 394 /* video capture -- dma 1+2 (planar modes) */ 395 if (dev->video_q.curr && 396 dev->video_q.curr->fmt->planar) { 397 ctrl |= SAA7134_MAIN_CTRL_TE4 | 398 SAA7134_MAIN_CTRL_TE5; 399 } 400 401 /* screen overlay -- dma 0 + video task B */ 402 if (dev->ovenable) { 403 task |= 0x10; 404 ctrl |= SAA7134_MAIN_CTRL_TE1; 405 ov = dev->ovfield; 406 } 407 408 /* vbi capture -- dma 0 + vbi task A+B */ 409 if (dev->vbi_q.curr) { 410 task |= 0x22; 411 ctrl |= SAA7134_MAIN_CTRL_TE2 | 412 SAA7134_MAIN_CTRL_TE3; 413 irq |= SAA7134_IRQ1_INTE_RA0_7 | 414 SAA7134_IRQ1_INTE_RA0_6 | 415 SAA7134_IRQ1_INTE_RA0_5 | 416 SAA7134_IRQ1_INTE_RA0_4; 417 } 418 419 /* audio capture -- dma 3 */ 420 if (dev->dmasound.dma_running) { 421 ctrl |= SAA7134_MAIN_CTRL_TE6; 422 irq |= SAA7134_IRQ1_INTE_RA3_1 | 423 SAA7134_IRQ1_INTE_RA3_0; 424 } 425 426 /* TS capture -- dma 5 */ 427 if (dev->ts_q.curr) { 428 ctrl |= SAA7134_MAIN_CTRL_TE5; 429 irq |= SAA7134_IRQ1_INTE_RA2_1 | 430 SAA7134_IRQ1_INTE_RA2_0; 431 } 432 433 /* set task conditions + field handling */ 434 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) { 435 /* default config -- use full frames */ 436 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 437 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 438 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02); 439 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02); 440 split = 0; 441 } else { 442 /* split fields between tasks */ 443 if (V4L2_FIELD_TOP == cap) { 444 /* odd A, even B, repeat */ 445 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 446 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e); 447 } else { 448 /* odd B, even A, repeat */ 449 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e); 450 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 451 } 452 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01); 453 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01); 454 split = 1; 455 } 456 457 /* irqs */ 458 saa_writeb(SAA7134_REGION_ENABLE, task); 459 saa_writel(SAA7134_IRQ1, irq); 460 saa_andorl(SAA7134_MAIN_CTRL, 461 SAA7134_MAIN_CTRL_TE0 | 462 SAA7134_MAIN_CTRL_TE1 | 463 SAA7134_MAIN_CTRL_TE2 | 464 SAA7134_MAIN_CTRL_TE3 | 465 SAA7134_MAIN_CTRL_TE4 | 466 SAA7134_MAIN_CTRL_TE5 | 467 SAA7134_MAIN_CTRL_TE6, 468 ctrl); 469 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n", 470 task, ctrl, irq, split ? "no" : "yes"); 471 472 return 0; 473 } 474 475 /* ------------------------------------------------------------------ */ 476 /* IRQ handler + helpers */ 477 478 static char *irqbits[] = { 479 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3", 480 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC", 481 "TRIG_ERR", "CONF_ERR", "LOAD_ERR", 482 "GPIO16", "GPIO18", "GPIO22", "GPIO23" 483 }; 484 #define IRQBITS ARRAY_SIZE(irqbits) 485 486 static void print_irqstatus(struct saa7134_dev *dev, int loop, 487 unsigned long report, unsigned long status) 488 { 489 unsigned int i; 490 491 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx", 492 dev->name,loop,jiffies,report,status); 493 for (i = 0; i < IRQBITS; i++) { 494 if (!(report & (1 << i))) 495 continue; 496 printk(" %s",irqbits[i]); 497 } 498 if (report & SAA7134_IRQ_REPORT_DONE_RA0) { 499 printk(" | RA0=%s,%s,%s,%ld", 500 (status & 0x40) ? "vbi" : "video", 501 (status & 0x20) ? "b" : "a", 502 (status & 0x10) ? "odd" : "even", 503 (status & 0x0f)); 504 } 505 printk("\n"); 506 } 507 508 static irqreturn_t saa7134_irq(int irq, void *dev_id) 509 { 510 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id; 511 unsigned long report,status; 512 int loop, handled = 0; 513 514 if (dev->insuspend) 515 goto out; 516 517 for (loop = 0; loop < 10; loop++) { 518 report = saa_readl(SAA7134_IRQ_REPORT); 519 status = saa_readl(SAA7134_IRQ_STATUS); 520 521 /* If dmasound support is active and we get a sound report, 522 * mask out the report and let the saa7134-alsa module deal 523 * with it */ 524 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) && 525 (dev->dmasound.priv_data != NULL) ) 526 { 527 if (irq_debug > 1) 528 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n", 529 dev->name); 530 report &= ~SAA7134_IRQ_REPORT_DONE_RA3; 531 } 532 533 if (0 == report) { 534 if (irq_debug > 1) 535 printk(KERN_DEBUG "%s/irq: no (more) work\n", 536 dev->name); 537 goto out; 538 } 539 540 handled = 1; 541 saa_writel(SAA7134_IRQ_REPORT,report); 542 if (irq_debug) 543 print_irqstatus(dev,loop,report,status); 544 545 546 if ((report & SAA7134_IRQ_REPORT_RDCAP) || 547 (report & SAA7134_IRQ_REPORT_INTL)) 548 saa7134_irq_video_signalchange(dev); 549 550 551 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 552 (status & 0x60) == 0) 553 saa7134_irq_video_done(dev,status); 554 555 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 556 (status & 0x40) == 0x40) 557 saa7134_irq_vbi_done(dev,status); 558 559 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) && 560 card_has_mpeg(dev)) 561 saa7134_irq_ts_done(dev,status); 562 563 if (report & SAA7134_IRQ_REPORT_GPIO16) { 564 switch (dev->has_remote) { 565 case SAA7134_REMOTE_GPIO: 566 if (!dev->remote) 567 break; 568 if (dev->remote->mask_keydown & 0x10000) { 569 saa7134_input_irq(dev); 570 } 571 break; 572 573 case SAA7134_REMOTE_I2C: 574 break; /* FIXME: invoke I2C get_key() */ 575 576 default: /* GPIO16 not used by IR remote */ 577 break; 578 } 579 } 580 581 if (report & SAA7134_IRQ_REPORT_GPIO18) { 582 switch (dev->has_remote) { 583 case SAA7134_REMOTE_GPIO: 584 if (!dev->remote) 585 break; 586 if ((dev->remote->mask_keydown & 0x40000) || 587 (dev->remote->mask_keyup & 0x40000)) { 588 saa7134_input_irq(dev); 589 } 590 break; 591 592 case SAA7134_REMOTE_I2C: 593 break; /* FIXME: invoke I2C get_key() */ 594 595 default: /* GPIO18 not used by IR remote */ 596 break; 597 } 598 } 599 } 600 601 if (10 == loop) { 602 print_irqstatus(dev,loop,report,status); 603 if (report & SAA7134_IRQ_REPORT_PE) { 604 /* disable all parity error */ 605 printk(KERN_WARNING "%s/irq: looping -- " 606 "clearing PE (parity error!) enable bit\n",dev->name); 607 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE); 608 } else if (report & SAA7134_IRQ_REPORT_GPIO16) { 609 /* disable gpio16 IRQ */ 610 printk(KERN_WARNING "%s/irq: looping -- " 611 "clearing GPIO16 enable bit\n",dev->name); 612 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P); 613 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N); 614 } else if (report & SAA7134_IRQ_REPORT_GPIO18) { 615 /* disable gpio18 IRQs */ 616 printk(KERN_WARNING "%s/irq: looping -- " 617 "clearing GPIO18 enable bit\n",dev->name); 618 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P); 619 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N); 620 } else { 621 /* disable all irqs */ 622 printk(KERN_WARNING "%s/irq: looping -- " 623 "clearing all enable bits\n",dev->name); 624 saa_writel(SAA7134_IRQ1,0); 625 saa_writel(SAA7134_IRQ2,0); 626 } 627 } 628 629 out: 630 return IRQ_RETVAL(handled); 631 } 632 633 /* ------------------------------------------------------------------ */ 634 635 /* early init (no i2c, no irq) */ 636 637 static int saa7134_hw_enable1(struct saa7134_dev *dev) 638 { 639 /* RAM FIFO config */ 640 saa_writel(SAA7134_FIFO_SIZE, 0x08070503); 641 saa_writel(SAA7134_THRESHOULD, 0x02020202); 642 643 /* enable audio + video processing */ 644 saa_writel(SAA7134_MAIN_CTRL, 645 SAA7134_MAIN_CTRL_VPLLE | 646 SAA7134_MAIN_CTRL_APLLE | 647 SAA7134_MAIN_CTRL_EXOSC | 648 SAA7134_MAIN_CTRL_EVFE1 | 649 SAA7134_MAIN_CTRL_EVFE2 | 650 SAA7134_MAIN_CTRL_ESFE | 651 SAA7134_MAIN_CTRL_EBDAC); 652 653 /* 654 * Initialize OSS _after_ enabling audio clock PLL and audio processing. 655 * OSS initialization writes to registers via the audio DSP; these 656 * writes will fail unless the audio clock has been started. At worst, 657 * audio will not work. 658 */ 659 660 /* enable peripheral devices */ 661 saa_writeb(SAA7134_SPECIAL_MODE, 0x01); 662 663 /* set vertical line numbering start (vbi needs this) */ 664 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20); 665 666 return 0; 667 } 668 669 static int saa7134_hwinit1(struct saa7134_dev *dev) 670 { 671 dprintk("hwinit1\n"); 672 673 saa_writel(SAA7134_IRQ1, 0); 674 saa_writel(SAA7134_IRQ2, 0); 675 676 /* Clear any stale IRQ reports */ 677 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 678 679 mutex_init(&dev->lock); 680 spin_lock_init(&dev->slock); 681 682 saa7134_track_gpio(dev,"pre-init"); 683 saa7134_video_init1(dev); 684 saa7134_vbi_init1(dev); 685 if (card_has_mpeg(dev)) 686 saa7134_ts_init1(dev); 687 saa7134_input_init1(dev); 688 689 saa7134_hw_enable1(dev); 690 691 return 0; 692 } 693 694 /* late init (with i2c + irq) */ 695 static int saa7134_hw_enable2(struct saa7134_dev *dev) 696 { 697 698 unsigned int irq2_mask; 699 700 /* enable IRQ's */ 701 irq2_mask = 702 SAA7134_IRQ2_INTE_DEC3 | 703 SAA7134_IRQ2_INTE_DEC2 | 704 SAA7134_IRQ2_INTE_DEC1 | 705 SAA7134_IRQ2_INTE_DEC0 | 706 SAA7134_IRQ2_INTE_PE | 707 SAA7134_IRQ2_INTE_AR; 708 709 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) { 710 if (dev->remote->mask_keydown & 0x10000) 711 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N; 712 else { /* Allow enabling both IRQ edge triggers */ 713 if (dev->remote->mask_keydown & 0x40000) 714 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P; 715 if (dev->remote->mask_keyup & 0x40000) 716 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N; 717 } 718 } 719 720 if (dev->has_remote == SAA7134_REMOTE_I2C) { 721 request_module("ir-kbd-i2c"); 722 } 723 724 saa_writel(SAA7134_IRQ1, 0); 725 saa_writel(SAA7134_IRQ2, irq2_mask); 726 727 return 0; 728 } 729 730 static int saa7134_hwinit2(struct saa7134_dev *dev) 731 { 732 733 dprintk("hwinit2\n"); 734 735 saa7134_video_init2(dev); 736 saa7134_tvaudio_init2(dev); 737 738 saa7134_hw_enable2(dev); 739 740 return 0; 741 } 742 743 744 /* shutdown */ 745 static int saa7134_hwfini(struct saa7134_dev *dev) 746 { 747 dprintk("hwfini\n"); 748 749 if (card_has_mpeg(dev)) 750 saa7134_ts_fini(dev); 751 saa7134_input_fini(dev); 752 saa7134_vbi_fini(dev); 753 saa7134_tvaudio_fini(dev); 754 return 0; 755 } 756 757 static void must_configure_manually(int has_eeprom) 758 { 759 unsigned int i,p; 760 761 if (!has_eeprom) 762 printk(KERN_WARNING 763 "saa7134: <rant>\n" 764 "saa7134: Congratulations! Your TV card vendor saved a few\n" 765 "saa7134: cents for a eeprom, thus your pci board has no\n" 766 "saa7134: subsystem ID and I can't identify it automatically\n" 767 "saa7134: </rant>\n" 768 "saa7134: I feel better now. Ok, here are the good news:\n" 769 "saa7134: You can use the card=<nr> insmod option to specify\n" 770 "saa7134: which board do you have. The list:\n"); 771 else 772 printk(KERN_WARNING 773 "saa7134: Board is currently unknown. You might try to use the card=<nr>\n" 774 "saa7134: insmod option to specify which board do you have, but this is\n" 775 "saa7134: somewhat risky, as might damage your card. It is better to ask\n" 776 "saa7134: for support at linux-media@vger.kernel.org.\n" 777 "saa7134: The supported cards are:\n"); 778 779 for (i = 0; i < saa7134_bcount; i++) { 780 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s", 781 i,saa7134_boards[i].name); 782 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) { 783 if (saa7134_pci_tbl[p].driver_data != i) 784 continue; 785 printk(" %04x:%04x", 786 saa7134_pci_tbl[p].subvendor, 787 saa7134_pci_tbl[p].subdevice); 788 } 789 printk("\n"); 790 } 791 } 792 793 static struct video_device *vdev_init(struct saa7134_dev *dev, 794 struct video_device *template, 795 char *type) 796 { 797 struct video_device *vfd; 798 799 vfd = video_device_alloc(); 800 if (NULL == vfd) 801 return NULL; 802 *vfd = *template; 803 vfd->v4l2_dev = &dev->v4l2_dev; 804 vfd->release = video_device_release; 805 vfd->debug = video_debug; 806 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", 807 dev->name, type, saa7134_boards[dev->board].name); 808 video_set_drvdata(vfd, dev); 809 return vfd; 810 } 811 812 static void saa7134_unregister_video(struct saa7134_dev *dev) 813 { 814 if (dev->video_dev) { 815 if (video_is_registered(dev->video_dev)) 816 video_unregister_device(dev->video_dev); 817 else 818 video_device_release(dev->video_dev); 819 dev->video_dev = NULL; 820 } 821 if (dev->vbi_dev) { 822 if (video_is_registered(dev->vbi_dev)) 823 video_unregister_device(dev->vbi_dev); 824 else 825 video_device_release(dev->vbi_dev); 826 dev->vbi_dev = NULL; 827 } 828 if (dev->radio_dev) { 829 if (video_is_registered(dev->radio_dev)) 830 video_unregister_device(dev->radio_dev); 831 else 832 video_device_release(dev->radio_dev); 833 dev->radio_dev = NULL; 834 } 835 } 836 837 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops, 838 struct saa7134_dev *dev) 839 { 840 int err; 841 842 if (NULL != dev->mops) 843 return; 844 if (saa7134_boards[dev->board].mpeg != ops->type) 845 return; 846 err = ops->init(dev); 847 if (0 != err) 848 return; 849 dev->mops = ops; 850 } 851 852 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops, 853 struct saa7134_dev *dev) 854 { 855 if (NULL == dev->mops) 856 return; 857 if (dev->mops != ops) 858 return; 859 dev->mops->fini(dev); 860 dev->mops = NULL; 861 } 862 863 static int saa7134_initdev(struct pci_dev *pci_dev, 864 const struct pci_device_id *pci_id) 865 { 866 struct saa7134_dev *dev; 867 struct saa7134_mpeg_ops *mops; 868 int err; 869 870 if (saa7134_devcount == SAA7134_MAXBOARDS) 871 return -ENOMEM; 872 873 dev = kzalloc(sizeof(*dev),GFP_KERNEL); 874 if (NULL == dev) 875 return -ENOMEM; 876 877 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); 878 if (err) 879 goto fail0; 880 881 /* pci init */ 882 dev->pci = pci_dev; 883 if (pci_enable_device(pci_dev)) { 884 err = -EIO; 885 goto fail1; 886 } 887 888 dev->nr = saa7134_devcount; 889 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr); 890 891 /* pci quirks */ 892 if (pci_pci_problems) { 893 if (pci_pci_problems & PCIPCI_TRITON) 894 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name); 895 if (pci_pci_problems & PCIPCI_NATOMA) 896 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name); 897 if (pci_pci_problems & PCIPCI_VIAETBF) 898 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name); 899 if (pci_pci_problems & PCIPCI_VSFX) 900 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name); 901 #ifdef PCIPCI_ALIMAGIK 902 if (pci_pci_problems & PCIPCI_ALIMAGIK) { 903 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", 904 dev->name); 905 latency = 0x0A; 906 } 907 #endif 908 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) { 909 printk(KERN_INFO "%s: quirk: this driver and your " 910 "chipset may not work together" 911 " in overlay mode.\n",dev->name); 912 if (!saa7134_no_overlay) { 913 printk(KERN_INFO "%s: quirk: overlay " 914 "mode will be disabled.\n", 915 dev->name); 916 saa7134_no_overlay = 1; 917 } else { 918 printk(KERN_INFO "%s: quirk: overlay " 919 "mode will be forced. Use this" 920 " option at your own risk.\n", 921 dev->name); 922 } 923 } 924 } 925 if (UNSET != latency) { 926 printk(KERN_INFO "%s: setting pci latency timer to %d\n", 927 dev->name,latency); 928 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); 929 } 930 931 /* print pci info */ 932 dev->pci_rev = pci_dev->revision; 933 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); 934 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, " 935 "latency: %d, mmio: 0x%llx\n", dev->name, 936 pci_name(pci_dev), dev->pci_rev, pci_dev->irq, 937 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0)); 938 pci_set_master(pci_dev); 939 if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) { 940 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name); 941 err = -EIO; 942 goto fail1; 943 } 944 945 /* board config */ 946 dev->board = pci_id->driver_data; 947 if ((unsigned)card[dev->nr] < saa7134_bcount) 948 dev->board = card[dev->nr]; 949 if (SAA7134_BOARD_UNKNOWN == dev->board) 950 must_configure_manually(0); 951 else if (SAA7134_BOARD_NOAUTO == dev->board) { 952 must_configure_manually(1); 953 dev->board = SAA7134_BOARD_UNKNOWN; 954 } 955 dev->autodetected = card[dev->nr] != dev->board; 956 dev->tuner_type = saa7134_boards[dev->board].tuner_type; 957 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr; 958 dev->radio_type = saa7134_boards[dev->board].radio_type; 959 dev->radio_addr = saa7134_boards[dev->board].radio_addr; 960 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf; 961 if (UNSET != tuner[dev->nr]) 962 dev->tuner_type = tuner[dev->nr]; 963 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", 964 dev->name,pci_dev->subsystem_vendor, 965 pci_dev->subsystem_device,saa7134_boards[dev->board].name, 966 dev->board, dev->autodetected ? 967 "autodetected" : "insmod option"); 968 969 /* get mmio */ 970 if (!request_mem_region(pci_resource_start(pci_dev,0), 971 pci_resource_len(pci_dev,0), 972 dev->name)) { 973 err = -EBUSY; 974 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n", 975 dev->name,(unsigned long long)pci_resource_start(pci_dev,0)); 976 goto fail1; 977 } 978 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0), 979 pci_resource_len(pci_dev, 0)); 980 dev->bmmio = (__u8 __iomem *)dev->lmmio; 981 if (NULL == dev->lmmio) { 982 err = -EIO; 983 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n", 984 dev->name); 985 goto fail2; 986 } 987 988 /* initialize hardware #1 */ 989 saa7134_board_init1(dev); 990 saa7134_hwinit1(dev); 991 992 /* get irq */ 993 err = request_irq(pci_dev->irq, saa7134_irq, 994 IRQF_SHARED | IRQF_DISABLED, dev->name, dev); 995 if (err < 0) { 996 printk(KERN_ERR "%s: can't get IRQ %d\n", 997 dev->name,pci_dev->irq); 998 goto fail3; 999 } 1000 1001 /* wait a bit, register i2c bus */ 1002 msleep(100); 1003 saa7134_i2c_register(dev); 1004 saa7134_board_init2(dev); 1005 1006 saa7134_hwinit2(dev); 1007 1008 /* load i2c helpers */ 1009 if (card_is_empress(dev)) { 1010 struct v4l2_subdev *sd = 1011 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, 1012 "saa6752hs", 1013 saa7134_boards[dev->board].empress_addr, NULL); 1014 1015 if (sd) 1016 sd->grp_id = GRP_EMPRESS; 1017 } 1018 1019 if (saa7134_boards[dev->board].rds_addr) { 1020 struct v4l2_subdev *sd; 1021 1022 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1023 &dev->i2c_adap, "saa6588", 1024 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr)); 1025 if (sd) { 1026 printk(KERN_INFO "%s: found RDS decoder\n", dev->name); 1027 dev->has_rds = 1; 1028 } 1029 } 1030 1031 v4l2_prio_init(&dev->prio); 1032 1033 mutex_lock(&saa7134_devlist_lock); 1034 list_for_each_entry(mops, &mops_list, next) 1035 mpeg_ops_attach(mops, dev); 1036 list_add_tail(&dev->devlist, &saa7134_devlist); 1037 mutex_unlock(&saa7134_devlist_lock); 1038 1039 /* check for signal */ 1040 saa7134_irq_video_signalchange(dev); 1041 1042 if (TUNER_ABSENT != dev->tuner_type) 1043 saa_call_all(dev, core, s_power, 0); 1044 1045 /* register v4l devices */ 1046 if (saa7134_no_overlay > 0) 1047 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name); 1048 1049 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); 1050 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, 1051 video_nr[dev->nr]); 1052 if (err < 0) { 1053 printk(KERN_INFO "%s: can't register video device\n", 1054 dev->name); 1055 goto fail4; 1056 } 1057 printk(KERN_INFO "%s: registered device %s [v4l2]\n", 1058 dev->name, video_device_node_name(dev->video_dev)); 1059 1060 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi"); 1061 1062 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, 1063 vbi_nr[dev->nr]); 1064 if (err < 0) 1065 goto fail4; 1066 printk(KERN_INFO "%s: registered device %s\n", 1067 dev->name, video_device_node_name(dev->vbi_dev)); 1068 1069 if (card_has_radio(dev)) { 1070 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio"); 1071 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, 1072 radio_nr[dev->nr]); 1073 if (err < 0) 1074 goto fail4; 1075 printk(KERN_INFO "%s: registered device %s\n", 1076 dev->name, video_device_node_name(dev->radio_dev)); 1077 } 1078 1079 /* everything worked */ 1080 saa7134_devcount++; 1081 1082 if (saa7134_dmasound_init && !dev->dmasound.priv_data) 1083 saa7134_dmasound_init(dev); 1084 1085 request_submodules(dev); 1086 return 0; 1087 1088 fail4: 1089 saa7134_unregister_video(dev); 1090 saa7134_i2c_unregister(dev); 1091 free_irq(pci_dev->irq, dev); 1092 fail3: 1093 saa7134_hwfini(dev); 1094 iounmap(dev->lmmio); 1095 fail2: 1096 release_mem_region(pci_resource_start(pci_dev,0), 1097 pci_resource_len(pci_dev,0)); 1098 fail1: 1099 v4l2_device_unregister(&dev->v4l2_dev); 1100 fail0: 1101 kfree(dev); 1102 return err; 1103 } 1104 1105 static void saa7134_finidev(struct pci_dev *pci_dev) 1106 { 1107 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1108 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1109 struct saa7134_mpeg_ops *mops; 1110 1111 flush_request_submodules(dev); 1112 1113 /* Release DMA sound modules if present */ 1114 if (saa7134_dmasound_exit && dev->dmasound.priv_data) { 1115 saa7134_dmasound_exit(dev); 1116 } 1117 1118 /* debugging ... */ 1119 if (irq_debug) { 1120 u32 report = saa_readl(SAA7134_IRQ_REPORT); 1121 u32 status = saa_readl(SAA7134_IRQ_STATUS); 1122 print_irqstatus(dev,42,report,status); 1123 } 1124 1125 /* disable peripheral devices */ 1126 saa_writeb(SAA7134_SPECIAL_MODE,0); 1127 1128 /* shutdown hardware */ 1129 saa_writel(SAA7134_IRQ1,0); 1130 saa_writel(SAA7134_IRQ2,0); 1131 saa_writel(SAA7134_MAIN_CTRL,0); 1132 1133 /* shutdown subsystems */ 1134 saa7134_hwfini(dev); 1135 1136 /* unregister */ 1137 mutex_lock(&saa7134_devlist_lock); 1138 list_del(&dev->devlist); 1139 list_for_each_entry(mops, &mops_list, next) 1140 mpeg_ops_detach(mops, dev); 1141 mutex_unlock(&saa7134_devlist_lock); 1142 saa7134_devcount--; 1143 1144 saa7134_i2c_unregister(dev); 1145 saa7134_unregister_video(dev); 1146 1147 1148 /* the DMA sound modules should be unloaded before reaching 1149 this, but just in case they are still present... */ 1150 if (dev->dmasound.priv_data != NULL) { 1151 free_irq(pci_dev->irq, &dev->dmasound); 1152 dev->dmasound.priv_data = NULL; 1153 } 1154 1155 1156 /* release resources */ 1157 free_irq(pci_dev->irq, dev); 1158 iounmap(dev->lmmio); 1159 release_mem_region(pci_resource_start(pci_dev,0), 1160 pci_resource_len(pci_dev,0)); 1161 1162 1163 v4l2_device_unregister(&dev->v4l2_dev); 1164 1165 /* free memory */ 1166 kfree(dev); 1167 } 1168 1169 #ifdef CONFIG_PM 1170 1171 /* resends a current buffer in queue after resume */ 1172 static int saa7134_buffer_requeue(struct saa7134_dev *dev, 1173 struct saa7134_dmaqueue *q) 1174 { 1175 struct saa7134_buf *buf, *next; 1176 1177 assert_spin_locked(&dev->slock); 1178 1179 buf = q->curr; 1180 next = buf; 1181 dprintk("buffer_requeue\n"); 1182 1183 if (!buf) 1184 return 0; 1185 1186 dprintk("buffer_requeue : resending active buffers \n"); 1187 1188 if (!list_empty(&q->queue)) 1189 next = list_entry(q->queue.next, struct saa7134_buf, 1190 vb.queue); 1191 buf->activate(dev, buf, next); 1192 1193 return 0; 1194 } 1195 1196 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state) 1197 { 1198 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1199 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1200 1201 /* disable overlay - apps should enable it explicitly on resume*/ 1202 dev->ovenable = 0; 1203 1204 /* Disable interrupts, DMA, and rest of the chip*/ 1205 saa_writel(SAA7134_IRQ1, 0); 1206 saa_writel(SAA7134_IRQ2, 0); 1207 saa_writel(SAA7134_MAIN_CTRL, 0); 1208 1209 dev->insuspend = 1; 1210 synchronize_irq(pci_dev->irq); 1211 1212 /* ACK interrupts once more, just in case, 1213 since the IRQ handler won't ack them anymore*/ 1214 1215 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 1216 1217 /* Disable timeout timers - if we have active buffers, we will 1218 fill them on resume*/ 1219 1220 del_timer(&dev->video_q.timeout); 1221 del_timer(&dev->vbi_q.timeout); 1222 del_timer(&dev->ts_q.timeout); 1223 1224 if (dev->remote) 1225 saa7134_ir_stop(dev); 1226 1227 pci_save_state(pci_dev); 1228 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); 1229 1230 return 0; 1231 } 1232 1233 static int saa7134_resume(struct pci_dev *pci_dev) 1234 { 1235 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1236 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1237 unsigned long flags; 1238 1239 pci_set_power_state(pci_dev, PCI_D0); 1240 pci_restore_state(pci_dev); 1241 1242 /* Do things that are done in saa7134_initdev , 1243 except of initializing memory structures.*/ 1244 1245 saa7134_board_init1(dev); 1246 1247 /* saa7134_hwinit1 */ 1248 if (saa7134_boards[dev->board].video_out) 1249 saa7134_videoport_init(dev); 1250 if (card_has_mpeg(dev)) 1251 saa7134_ts_init_hw(dev); 1252 if (dev->remote) 1253 saa7134_ir_start(dev); 1254 saa7134_hw_enable1(dev); 1255 1256 msleep(100); 1257 1258 saa7134_board_init2(dev); 1259 1260 /*saa7134_hwinit2*/ 1261 saa7134_set_tvnorm_hw(dev); 1262 saa7134_tvaudio_setmute(dev); 1263 saa7134_tvaudio_setvolume(dev, dev->ctl_volume); 1264 saa7134_tvaudio_init(dev); 1265 saa7134_enable_i2s(dev); 1266 saa7134_hw_enable2(dev); 1267 1268 saa7134_irq_video_signalchange(dev); 1269 1270 /*resume unfinished buffer(s)*/ 1271 spin_lock_irqsave(&dev->slock, flags); 1272 saa7134_buffer_requeue(dev, &dev->video_q); 1273 saa7134_buffer_requeue(dev, &dev->vbi_q); 1274 saa7134_buffer_requeue(dev, &dev->ts_q); 1275 1276 /* FIXME: Disable DMA audio sound - temporary till proper support 1277 is implemented*/ 1278 1279 dev->dmasound.dma_running = 0; 1280 1281 /* start DMA now*/ 1282 dev->insuspend = 0; 1283 smp_wmb(); 1284 saa7134_set_dmabits(dev); 1285 spin_unlock_irqrestore(&dev->slock, flags); 1286 1287 return 0; 1288 } 1289 #endif 1290 1291 /* ----------------------------------------------------------- */ 1292 1293 int saa7134_ts_register(struct saa7134_mpeg_ops *ops) 1294 { 1295 struct saa7134_dev *dev; 1296 1297 mutex_lock(&saa7134_devlist_lock); 1298 list_for_each_entry(dev, &saa7134_devlist, devlist) 1299 mpeg_ops_attach(ops, dev); 1300 list_add_tail(&ops->next,&mops_list); 1301 mutex_unlock(&saa7134_devlist_lock); 1302 return 0; 1303 } 1304 1305 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) 1306 { 1307 struct saa7134_dev *dev; 1308 1309 mutex_lock(&saa7134_devlist_lock); 1310 list_del(&ops->next); 1311 list_for_each_entry(dev, &saa7134_devlist, devlist) 1312 mpeg_ops_detach(ops, dev); 1313 mutex_unlock(&saa7134_devlist_lock); 1314 } 1315 1316 EXPORT_SYMBOL(saa7134_ts_register); 1317 EXPORT_SYMBOL(saa7134_ts_unregister); 1318 1319 /* ----------------------------------------------------------- */ 1320 1321 static struct pci_driver saa7134_pci_driver = { 1322 .name = "saa7134", 1323 .id_table = saa7134_pci_tbl, 1324 .probe = saa7134_initdev, 1325 .remove = saa7134_finidev, 1326 #ifdef CONFIG_PM 1327 .suspend = saa7134_suspend, 1328 .resume = saa7134_resume 1329 #endif 1330 }; 1331 1332 static int __init saa7134_init(void) 1333 { 1334 INIT_LIST_HEAD(&saa7134_devlist); 1335 printk(KERN_INFO "saa7130/34: v4l2 driver version %s loaded\n", 1336 SAA7134_VERSION); 1337 return pci_register_driver(&saa7134_pci_driver); 1338 } 1339 1340 static void __exit saa7134_fini(void) 1341 { 1342 pci_unregister_driver(&saa7134_pci_driver); 1343 } 1344 1345 module_init(saa7134_init); 1346 module_exit(saa7134_fini); 1347 1348 /* ----------------------------------------------------------- */ 1349 1350 EXPORT_SYMBOL(saa7134_set_gpio); 1351 EXPORT_SYMBOL(saa7134_boards); 1352 1353 /* ----------------- for the DMA sound modules --------------- */ 1354 1355 EXPORT_SYMBOL(saa7134_dmasound_init); 1356 EXPORT_SYMBOL(saa7134_dmasound_exit); 1357 EXPORT_SYMBOL(saa7134_pgtable_free); 1358 EXPORT_SYMBOL(saa7134_pgtable_build); 1359 EXPORT_SYMBOL(saa7134_pgtable_alloc); 1360 EXPORT_SYMBOL(saa7134_set_dmabits); 1361 1362 /* ----------------------------------------------------------- */ 1363 /* 1364 * Local variables: 1365 * c-basic-offset: 8 1366 * End: 1367 */ 1368