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 bool saa7134_userptr; 73 module_param(saa7134_userptr, bool, 0644); 74 MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support"); 75 76 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 77 static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 78 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 79 static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 80 static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 81 82 83 module_param_array(video_nr, int, NULL, 0444); 84 module_param_array(vbi_nr, int, NULL, 0444); 85 module_param_array(radio_nr, int, NULL, 0444); 86 module_param_array(tuner, int, NULL, 0444); 87 module_param_array(card, int, NULL, 0444); 88 89 MODULE_PARM_DESC(video_nr, "video device number"); 90 MODULE_PARM_DESC(vbi_nr, "vbi device number"); 91 MODULE_PARM_DESC(radio_nr, "radio device number"); 92 MODULE_PARM_DESC(tuner, "tuner type"); 93 MODULE_PARM_DESC(card, "card type"); 94 95 DEFINE_MUTEX(saa7134_devlist_lock); 96 EXPORT_SYMBOL(saa7134_devlist_lock); 97 LIST_HEAD(saa7134_devlist); 98 EXPORT_SYMBOL(saa7134_devlist); 99 static LIST_HEAD(mops_list); 100 static unsigned int saa7134_devcount; 101 102 int (*saa7134_dmasound_init)(struct saa7134_dev *dev); 103 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev); 104 105 #define dprintk(fmt, arg...) if (core_debug) \ 106 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg) 107 108 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg) 109 { 110 unsigned long mode,status; 111 112 if (!gpio_tracking) 113 return; 114 /* rising SAA7134_GPIO_GPRESCAN reads the status */ 115 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0); 116 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN); 117 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff; 118 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff; 119 printk(KERN_DEBUG 120 "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n", 121 dev->name, mode, (~mode) & status, mode & status, msg); 122 } 123 124 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value) 125 { 126 u32 index, bitval; 127 128 index = 1 << bit_no; 129 switch (value) { 130 case 0: /* static value */ 131 case 1: dprintk("setting GPIO%d to static %d\n", bit_no, value); 132 /* turn sync mode off if necessary */ 133 if (index & 0x00c00000) 134 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00); 135 if (value) 136 bitval = index; 137 else 138 bitval = 0; 139 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index); 140 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval); 141 break; 142 case 3: /* tristate */ 143 dprintk("setting GPIO%d to tristate\n", bit_no); 144 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0); 145 break; 146 } 147 } 148 149 /* ------------------------------------------------------------------ */ 150 151 152 /* ----------------------------------------------------------- */ 153 /* delayed request_module */ 154 155 #if defined(CONFIG_MODULES) && defined(MODULE) 156 157 static void request_module_async(struct work_struct *work){ 158 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk); 159 if (card_is_empress(dev)) 160 request_module("saa7134-empress"); 161 if (card_is_dvb(dev)) 162 request_module("saa7134-dvb"); 163 if (alsa) { 164 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130) 165 request_module("saa7134-alsa"); 166 } 167 } 168 169 static void request_submodules(struct saa7134_dev *dev) 170 { 171 INIT_WORK(&dev->request_module_wk, request_module_async); 172 schedule_work(&dev->request_module_wk); 173 } 174 175 static void flush_request_submodules(struct saa7134_dev *dev) 176 { 177 flush_work(&dev->request_module_wk); 178 } 179 180 #else 181 #define request_submodules(dev) 182 #define flush_request_submodules(dev) 183 #endif /* CONFIG_MODULES */ 184 185 /* ------------------------------------------------------------------ */ 186 187 /* nr of (saa7134-)pages for the given buffer size */ 188 static int saa7134_buffer_pages(int size) 189 { 190 size = PAGE_ALIGN(size); 191 size += PAGE_SIZE; /* for non-page-aligned buffers */ 192 size /= 4096; 193 return size; 194 } 195 196 /* calc max # of buffers from size (must not exceed the 4MB virtual 197 * address space per DMA channel) */ 198 int saa7134_buffer_count(unsigned int size, unsigned int count) 199 { 200 unsigned int maxcount; 201 202 maxcount = 1024 / saa7134_buffer_pages(size); 203 if (count > maxcount) 204 count = maxcount; 205 return count; 206 } 207 208 int saa7134_buffer_startpage(struct saa7134_buf *buf) 209 { 210 return saa7134_buffer_pages(vb2_plane_size(&buf->vb2, 0)) * buf->vb2.v4l2_buf.index; 211 } 212 213 unsigned long saa7134_buffer_base(struct saa7134_buf *buf) 214 { 215 unsigned long base; 216 struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0); 217 218 base = saa7134_buffer_startpage(buf) * 4096; 219 base += dma->sgl[0].offset; 220 return base; 221 } 222 223 /* ------------------------------------------------------------------ */ 224 225 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt) 226 { 227 __le32 *cpu; 228 dma_addr_t dma_addr = 0; 229 230 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr); 231 if (NULL == cpu) 232 return -ENOMEM; 233 pt->size = SAA7134_PGTABLE_SIZE; 234 pt->cpu = cpu; 235 pt->dma = dma_addr; 236 return 0; 237 } 238 239 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt, 240 struct scatterlist *list, unsigned int length, 241 unsigned int startpage) 242 { 243 __le32 *ptr; 244 unsigned int i, p; 245 246 BUG_ON(NULL == pt || NULL == pt->cpu); 247 248 ptr = pt->cpu + startpage; 249 for (i = 0; i < length; i++, list = sg_next(list)) { 250 for (p = 0; p * 4096 < list->length; p++, ptr++) 251 *ptr = cpu_to_le32(sg_dma_address(list) + 252 list->offset + p * 4096); 253 } 254 return 0; 255 } 256 257 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt) 258 { 259 if (NULL == pt->cpu) 260 return; 261 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma); 262 pt->cpu = NULL; 263 } 264 265 /* ------------------------------------------------------------------ */ 266 267 int saa7134_buffer_queue(struct saa7134_dev *dev, 268 struct saa7134_dmaqueue *q, 269 struct saa7134_buf *buf) 270 { 271 struct saa7134_buf *next = NULL; 272 unsigned long flags; 273 274 spin_lock_irqsave(&dev->slock, flags); 275 dprintk("buffer_queue %p\n", buf); 276 if (NULL == q->curr) { 277 if (!q->need_two) { 278 q->curr = buf; 279 buf->activate(dev, buf, NULL); 280 } else if (list_empty(&q->queue)) { 281 list_add_tail(&buf->entry, &q->queue); 282 } else { 283 next = list_entry(q->queue.next, struct saa7134_buf, 284 entry); 285 q->curr = buf; 286 buf->activate(dev, buf, next); 287 } 288 } else { 289 list_add_tail(&buf->entry, &q->queue); 290 } 291 spin_unlock_irqrestore(&dev->slock, flags); 292 return 0; 293 } 294 295 void saa7134_buffer_finish(struct saa7134_dev *dev, 296 struct saa7134_dmaqueue *q, 297 unsigned int state) 298 { 299 dprintk("buffer_finish %p\n", q->curr); 300 301 /* finish current buffer */ 302 v4l2_get_timestamp(&q->curr->vb2.v4l2_buf.timestamp); 303 q->curr->vb2.v4l2_buf.sequence = q->seq_nr++; 304 vb2_buffer_done(&q->curr->vb2, state); 305 q->curr = NULL; 306 } 307 308 void saa7134_buffer_next(struct saa7134_dev *dev, 309 struct saa7134_dmaqueue *q) 310 { 311 struct saa7134_buf *buf,*next = NULL; 312 313 assert_spin_locked(&dev->slock); 314 BUG_ON(NULL != q->curr); 315 316 if (!list_empty(&q->queue)) { 317 /* activate next one from queue */ 318 buf = list_entry(q->queue.next, struct saa7134_buf, entry); 319 dprintk("buffer_next %p [prev=%p/next=%p]\n", 320 buf, q->queue.prev, q->queue.next); 321 list_del(&buf->entry); 322 if (!list_empty(&q->queue)) 323 next = list_entry(q->queue.next, struct saa7134_buf, entry); 324 q->curr = buf; 325 buf->activate(dev, buf, next); 326 dprintk("buffer_next #2 prev=%p/next=%p\n", 327 q->queue.prev, q->queue.next); 328 } else { 329 /* nothing to do -- just stop DMA */ 330 dprintk("buffer_next %p\n", NULL); 331 saa7134_set_dmabits(dev); 332 del_timer(&q->timeout); 333 } 334 } 335 336 void saa7134_buffer_timeout(unsigned long data) 337 { 338 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue *)data; 339 struct saa7134_dev *dev = q->dev; 340 unsigned long flags; 341 342 spin_lock_irqsave(&dev->slock, flags); 343 344 /* try to reset the hardware (SWRST) */ 345 saa_writeb(SAA7134_REGION_ENABLE, 0x00); 346 saa_writeb(SAA7134_REGION_ENABLE, 0x80); 347 saa_writeb(SAA7134_REGION_ENABLE, 0x00); 348 349 /* flag current buffer as failed, 350 try to start over with the next one. */ 351 if (q->curr) { 352 dprintk("timeout on %p\n", q->curr); 353 saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR); 354 } 355 saa7134_buffer_next(dev, q); 356 spin_unlock_irqrestore(&dev->slock, flags); 357 } 358 359 void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q) 360 { 361 unsigned long flags; 362 struct list_head *pos, *n; 363 struct saa7134_buf *tmp; 364 365 spin_lock_irqsave(&dev->slock, flags); 366 if (!list_empty(&q->queue)) { 367 list_for_each_safe(pos, n, &q->queue) { 368 tmp = list_entry(pos, struct saa7134_buf, entry); 369 vb2_buffer_done(&tmp->vb2, VB2_BUF_STATE_ERROR); 370 list_del(pos); 371 tmp = NULL; 372 } 373 } 374 spin_unlock_irqrestore(&dev->slock, flags); 375 saa7134_buffer_timeout((unsigned long)q); /* also calls del_timer(&q->timeout) */ 376 } 377 EXPORT_SYMBOL_GPL(saa7134_stop_streaming); 378 379 /* ------------------------------------------------------------------ */ 380 381 int saa7134_set_dmabits(struct saa7134_dev *dev) 382 { 383 u32 split, task=0, ctrl=0, irq=0; 384 enum v4l2_field cap = V4L2_FIELD_ANY; 385 enum v4l2_field ov = V4L2_FIELD_ANY; 386 387 assert_spin_locked(&dev->slock); 388 389 if (dev->insuspend) 390 return 0; 391 392 /* video capture -- dma 0 + video task A */ 393 if (dev->video_q.curr) { 394 task |= 0x01; 395 ctrl |= SAA7134_MAIN_CTRL_TE0; 396 irq |= SAA7134_IRQ1_INTE_RA0_1 | 397 SAA7134_IRQ1_INTE_RA0_0; 398 cap = dev->field; 399 } 400 401 /* video capture -- dma 1+2 (planar modes) */ 402 if (dev->video_q.curr && dev->fmt->planar) { 403 ctrl |= SAA7134_MAIN_CTRL_TE4 | 404 SAA7134_MAIN_CTRL_TE5; 405 } 406 407 /* screen overlay -- dma 0 + video task B */ 408 if (dev->ovenable) { 409 task |= 0x10; 410 ctrl |= SAA7134_MAIN_CTRL_TE1; 411 ov = dev->ovfield; 412 } 413 414 /* vbi capture -- dma 0 + vbi task A+B */ 415 if (dev->vbi_q.curr) { 416 task |= 0x22; 417 ctrl |= SAA7134_MAIN_CTRL_TE2 | 418 SAA7134_MAIN_CTRL_TE3; 419 irq |= SAA7134_IRQ1_INTE_RA0_7 | 420 SAA7134_IRQ1_INTE_RA0_6 | 421 SAA7134_IRQ1_INTE_RA0_5 | 422 SAA7134_IRQ1_INTE_RA0_4; 423 } 424 425 /* audio capture -- dma 3 */ 426 if (dev->dmasound.dma_running) { 427 ctrl |= SAA7134_MAIN_CTRL_TE6; 428 irq |= SAA7134_IRQ1_INTE_RA3_1 | 429 SAA7134_IRQ1_INTE_RA3_0; 430 } 431 432 /* TS capture -- dma 5 */ 433 if (dev->ts_q.curr) { 434 ctrl |= SAA7134_MAIN_CTRL_TE5; 435 irq |= SAA7134_IRQ1_INTE_RA2_1 | 436 SAA7134_IRQ1_INTE_RA2_0; 437 } 438 439 /* set task conditions + field handling */ 440 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) { 441 /* default config -- use full frames */ 442 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 443 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 444 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02); 445 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02); 446 split = 0; 447 } else { 448 /* split fields between tasks */ 449 if (V4L2_FIELD_TOP == cap) { 450 /* odd A, even B, repeat */ 451 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 452 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e); 453 } else { 454 /* odd B, even A, repeat */ 455 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e); 456 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 457 } 458 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01); 459 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01); 460 split = 1; 461 } 462 463 /* irqs */ 464 saa_writeb(SAA7134_REGION_ENABLE, task); 465 saa_writel(SAA7134_IRQ1, irq); 466 saa_andorl(SAA7134_MAIN_CTRL, 467 SAA7134_MAIN_CTRL_TE0 | 468 SAA7134_MAIN_CTRL_TE1 | 469 SAA7134_MAIN_CTRL_TE2 | 470 SAA7134_MAIN_CTRL_TE3 | 471 SAA7134_MAIN_CTRL_TE4 | 472 SAA7134_MAIN_CTRL_TE5 | 473 SAA7134_MAIN_CTRL_TE6, 474 ctrl); 475 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n", 476 task, ctrl, irq, split ? "no" : "yes"); 477 478 return 0; 479 } 480 481 /* ------------------------------------------------------------------ */ 482 /* IRQ handler + helpers */ 483 484 static char *irqbits[] = { 485 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3", 486 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC", 487 "TRIG_ERR", "CONF_ERR", "LOAD_ERR", 488 "GPIO16", "GPIO18", "GPIO22", "GPIO23" 489 }; 490 #define IRQBITS ARRAY_SIZE(irqbits) 491 492 static void print_irqstatus(struct saa7134_dev *dev, int loop, 493 unsigned long report, unsigned long status) 494 { 495 unsigned int i; 496 497 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx", 498 dev->name,loop,jiffies,report,status); 499 for (i = 0; i < IRQBITS; i++) { 500 if (!(report & (1 << i))) 501 continue; 502 printk(" %s",irqbits[i]); 503 } 504 if (report & SAA7134_IRQ_REPORT_DONE_RA0) { 505 printk(" | RA0=%s,%s,%s,%ld", 506 (status & 0x40) ? "vbi" : "video", 507 (status & 0x20) ? "b" : "a", 508 (status & 0x10) ? "odd" : "even", 509 (status & 0x0f)); 510 } 511 printk("\n"); 512 } 513 514 static irqreturn_t saa7134_irq(int irq, void *dev_id) 515 { 516 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id; 517 unsigned long report,status; 518 int loop, handled = 0; 519 520 if (dev->insuspend) 521 goto out; 522 523 for (loop = 0; loop < 10; loop++) { 524 report = saa_readl(SAA7134_IRQ_REPORT); 525 status = saa_readl(SAA7134_IRQ_STATUS); 526 527 /* If dmasound support is active and we get a sound report, 528 * mask out the report and let the saa7134-alsa module deal 529 * with it */ 530 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) && 531 (dev->dmasound.priv_data != NULL) ) 532 { 533 if (irq_debug > 1) 534 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n", 535 dev->name); 536 report &= ~SAA7134_IRQ_REPORT_DONE_RA3; 537 } 538 539 if (0 == report) { 540 if (irq_debug > 1) 541 printk(KERN_DEBUG "%s/irq: no (more) work\n", 542 dev->name); 543 goto out; 544 } 545 546 handled = 1; 547 saa_writel(SAA7134_IRQ_REPORT,report); 548 if (irq_debug) 549 print_irqstatus(dev,loop,report,status); 550 551 552 if ((report & SAA7134_IRQ_REPORT_RDCAP) || 553 (report & SAA7134_IRQ_REPORT_INTL)) 554 saa7134_irq_video_signalchange(dev); 555 556 557 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 558 (status & 0x60) == 0) 559 saa7134_irq_video_done(dev,status); 560 561 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 562 (status & 0x40) == 0x40) 563 saa7134_irq_vbi_done(dev,status); 564 565 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) && 566 card_has_mpeg(dev)) 567 saa7134_irq_ts_done(dev,status); 568 569 if (report & SAA7134_IRQ_REPORT_GPIO16) { 570 switch (dev->has_remote) { 571 case SAA7134_REMOTE_GPIO: 572 if (!dev->remote) 573 break; 574 if (dev->remote->mask_keydown & 0x10000) { 575 saa7134_input_irq(dev); 576 } 577 break; 578 579 case SAA7134_REMOTE_I2C: 580 break; /* FIXME: invoke I2C get_key() */ 581 582 default: /* GPIO16 not used by IR remote */ 583 break; 584 } 585 } 586 587 if (report & SAA7134_IRQ_REPORT_GPIO18) { 588 switch (dev->has_remote) { 589 case SAA7134_REMOTE_GPIO: 590 if (!dev->remote) 591 break; 592 if ((dev->remote->mask_keydown & 0x40000) || 593 (dev->remote->mask_keyup & 0x40000)) { 594 saa7134_input_irq(dev); 595 } 596 break; 597 598 case SAA7134_REMOTE_I2C: 599 break; /* FIXME: invoke I2C get_key() */ 600 601 default: /* GPIO18 not used by IR remote */ 602 break; 603 } 604 } 605 } 606 607 if (10 == loop) { 608 print_irqstatus(dev,loop,report,status); 609 if (report & SAA7134_IRQ_REPORT_PE) { 610 /* disable all parity error */ 611 printk(KERN_WARNING "%s/irq: looping -- " 612 "clearing PE (parity error!) enable bit\n",dev->name); 613 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE); 614 } else if (report & SAA7134_IRQ_REPORT_GPIO16) { 615 /* disable gpio16 IRQ */ 616 printk(KERN_WARNING "%s/irq: looping -- " 617 "clearing GPIO16 enable bit\n",dev->name); 618 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P); 619 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N); 620 } else if (report & SAA7134_IRQ_REPORT_GPIO18) { 621 /* disable gpio18 IRQs */ 622 printk(KERN_WARNING "%s/irq: looping -- " 623 "clearing GPIO18 enable bit\n",dev->name); 624 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P); 625 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N); 626 } else { 627 /* disable all irqs */ 628 printk(KERN_WARNING "%s/irq: looping -- " 629 "clearing all enable bits\n",dev->name); 630 saa_writel(SAA7134_IRQ1,0); 631 saa_writel(SAA7134_IRQ2,0); 632 } 633 } 634 635 out: 636 return IRQ_RETVAL(handled); 637 } 638 639 /* ------------------------------------------------------------------ */ 640 641 /* early init (no i2c, no irq) */ 642 643 static int saa7134_hw_enable1(struct saa7134_dev *dev) 644 { 645 /* RAM FIFO config */ 646 saa_writel(SAA7134_FIFO_SIZE, 0x08070503); 647 saa_writel(SAA7134_THRESHOULD, 0x02020202); 648 649 /* enable audio + video processing */ 650 saa_writel(SAA7134_MAIN_CTRL, 651 SAA7134_MAIN_CTRL_VPLLE | 652 SAA7134_MAIN_CTRL_APLLE | 653 SAA7134_MAIN_CTRL_EXOSC | 654 SAA7134_MAIN_CTRL_EVFE1 | 655 SAA7134_MAIN_CTRL_EVFE2 | 656 SAA7134_MAIN_CTRL_ESFE | 657 SAA7134_MAIN_CTRL_EBDAC); 658 659 /* 660 * Initialize OSS _after_ enabling audio clock PLL and audio processing. 661 * OSS initialization writes to registers via the audio DSP; these 662 * writes will fail unless the audio clock has been started. At worst, 663 * audio will not work. 664 */ 665 666 /* enable peripheral devices */ 667 saa_writeb(SAA7134_SPECIAL_MODE, 0x01); 668 669 /* set vertical line numbering start (vbi needs this) */ 670 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20); 671 672 return 0; 673 } 674 675 static int saa7134_hwinit1(struct saa7134_dev *dev) 676 { 677 dprintk("hwinit1\n"); 678 679 saa_writel(SAA7134_IRQ1, 0); 680 saa_writel(SAA7134_IRQ2, 0); 681 682 /* Clear any stale IRQ reports */ 683 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 684 685 mutex_init(&dev->lock); 686 spin_lock_init(&dev->slock); 687 688 saa7134_track_gpio(dev,"pre-init"); 689 saa7134_video_init1(dev); 690 saa7134_vbi_init1(dev); 691 if (card_has_mpeg(dev)) 692 saa7134_ts_init1(dev); 693 saa7134_input_init1(dev); 694 695 saa7134_hw_enable1(dev); 696 697 return 0; 698 } 699 700 /* late init (with i2c + irq) */ 701 static int saa7134_hw_enable2(struct saa7134_dev *dev) 702 { 703 704 unsigned int irq2_mask; 705 706 /* enable IRQ's */ 707 irq2_mask = 708 SAA7134_IRQ2_INTE_DEC3 | 709 SAA7134_IRQ2_INTE_DEC2 | 710 SAA7134_IRQ2_INTE_DEC1 | 711 SAA7134_IRQ2_INTE_DEC0 | 712 SAA7134_IRQ2_INTE_PE | 713 SAA7134_IRQ2_INTE_AR; 714 715 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) { 716 if (dev->remote->mask_keydown & 0x10000) 717 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N; 718 else { /* Allow enabling both IRQ edge triggers */ 719 if (dev->remote->mask_keydown & 0x40000) 720 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P; 721 if (dev->remote->mask_keyup & 0x40000) 722 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N; 723 } 724 } 725 726 if (dev->has_remote == SAA7134_REMOTE_I2C) { 727 request_module("ir-kbd-i2c"); 728 } 729 730 saa_writel(SAA7134_IRQ1, 0); 731 saa_writel(SAA7134_IRQ2, irq2_mask); 732 733 return 0; 734 } 735 736 static int saa7134_hwinit2(struct saa7134_dev *dev) 737 { 738 739 dprintk("hwinit2\n"); 740 741 saa7134_video_init2(dev); 742 saa7134_tvaudio_init2(dev); 743 744 saa7134_hw_enable2(dev); 745 746 return 0; 747 } 748 749 750 /* shutdown */ 751 static int saa7134_hwfini(struct saa7134_dev *dev) 752 { 753 dprintk("hwfini\n"); 754 755 if (card_has_mpeg(dev)) 756 saa7134_ts_fini(dev); 757 saa7134_input_fini(dev); 758 saa7134_vbi_fini(dev); 759 saa7134_tvaudio_fini(dev); 760 saa7134_video_fini(dev); 761 return 0; 762 } 763 764 static void must_configure_manually(int has_eeprom) 765 { 766 unsigned int i,p; 767 768 if (!has_eeprom) 769 printk(KERN_WARNING 770 "saa7134: <rant>\n" 771 "saa7134: Congratulations! Your TV card vendor saved a few\n" 772 "saa7134: cents for a eeprom, thus your pci board has no\n" 773 "saa7134: subsystem ID and I can't identify it automatically\n" 774 "saa7134: </rant>\n" 775 "saa7134: I feel better now. Ok, here are the good news:\n" 776 "saa7134: You can use the card=<nr> insmod option to specify\n" 777 "saa7134: which board do you have. The list:\n"); 778 else 779 printk(KERN_WARNING 780 "saa7134: Board is currently unknown. You might try to use the card=<nr>\n" 781 "saa7134: insmod option to specify which board do you have, but this is\n" 782 "saa7134: somewhat risky, as might damage your card. It is better to ask\n" 783 "saa7134: for support at linux-media@vger.kernel.org.\n" 784 "saa7134: The supported cards are:\n"); 785 786 for (i = 0; i < saa7134_bcount; i++) { 787 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s", 788 i,saa7134_boards[i].name); 789 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) { 790 if (saa7134_pci_tbl[p].driver_data != i) 791 continue; 792 printk(" %04x:%04x", 793 saa7134_pci_tbl[p].subvendor, 794 saa7134_pci_tbl[p].subdevice); 795 } 796 printk("\n"); 797 } 798 } 799 800 static struct video_device *vdev_init(struct saa7134_dev *dev, 801 struct video_device *template, 802 char *type) 803 { 804 struct video_device *vfd; 805 806 vfd = video_device_alloc(); 807 if (NULL == vfd) 808 return NULL; 809 *vfd = *template; 810 vfd->v4l2_dev = &dev->v4l2_dev; 811 vfd->release = video_device_release; 812 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", 813 dev->name, type, saa7134_boards[dev->board].name); 814 video_set_drvdata(vfd, dev); 815 return vfd; 816 } 817 818 static void saa7134_unregister_video(struct saa7134_dev *dev) 819 { 820 if (dev->video_dev) { 821 if (video_is_registered(dev->video_dev)) 822 video_unregister_device(dev->video_dev); 823 else 824 video_device_release(dev->video_dev); 825 dev->video_dev = NULL; 826 } 827 if (dev->vbi_dev) { 828 if (video_is_registered(dev->vbi_dev)) 829 video_unregister_device(dev->vbi_dev); 830 else 831 video_device_release(dev->vbi_dev); 832 dev->vbi_dev = NULL; 833 } 834 if (dev->radio_dev) { 835 if (video_is_registered(dev->radio_dev)) 836 video_unregister_device(dev->radio_dev); 837 else 838 video_device_release(dev->radio_dev); 839 dev->radio_dev = NULL; 840 } 841 } 842 843 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops, 844 struct saa7134_dev *dev) 845 { 846 int err; 847 848 if (NULL != dev->mops) 849 return; 850 if (saa7134_boards[dev->board].mpeg != ops->type) 851 return; 852 err = ops->init(dev); 853 if (0 != err) 854 return; 855 dev->mops = ops; 856 } 857 858 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops, 859 struct saa7134_dev *dev) 860 { 861 if (NULL == dev->mops) 862 return; 863 if (dev->mops != ops) 864 return; 865 dev->mops->fini(dev); 866 dev->mops = NULL; 867 } 868 869 static int saa7134_initdev(struct pci_dev *pci_dev, 870 const struct pci_device_id *pci_id) 871 { 872 struct saa7134_dev *dev; 873 struct saa7134_mpeg_ops *mops; 874 int err; 875 876 if (saa7134_devcount == SAA7134_MAXBOARDS) 877 return -ENOMEM; 878 879 dev = kzalloc(sizeof(*dev),GFP_KERNEL); 880 if (NULL == dev) 881 return -ENOMEM; 882 883 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); 884 if (err) 885 goto fail0; 886 887 /* pci init */ 888 dev->pci = pci_dev; 889 if (pci_enable_device(pci_dev)) { 890 err = -EIO; 891 goto fail1; 892 } 893 894 dev->nr = saa7134_devcount; 895 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr); 896 897 /* pci quirks */ 898 if (pci_pci_problems) { 899 if (pci_pci_problems & PCIPCI_TRITON) 900 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name); 901 if (pci_pci_problems & PCIPCI_NATOMA) 902 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name); 903 if (pci_pci_problems & PCIPCI_VIAETBF) 904 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name); 905 if (pci_pci_problems & PCIPCI_VSFX) 906 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name); 907 #ifdef PCIPCI_ALIMAGIK 908 if (pci_pci_problems & PCIPCI_ALIMAGIK) { 909 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", 910 dev->name); 911 latency = 0x0A; 912 } 913 #endif 914 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) { 915 printk(KERN_INFO "%s: quirk: this driver and your " 916 "chipset may not work together" 917 " in overlay mode.\n",dev->name); 918 if (!saa7134_no_overlay) { 919 printk(KERN_INFO "%s: quirk: overlay " 920 "mode will be disabled.\n", 921 dev->name); 922 saa7134_no_overlay = 1; 923 } else { 924 printk(KERN_INFO "%s: quirk: overlay " 925 "mode will be forced. Use this" 926 " option at your own risk.\n", 927 dev->name); 928 } 929 } 930 } 931 if (UNSET != latency) { 932 printk(KERN_INFO "%s: setting pci latency timer to %d\n", 933 dev->name,latency); 934 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); 935 } 936 937 /* print pci info */ 938 dev->pci_rev = pci_dev->revision; 939 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); 940 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, " 941 "latency: %d, mmio: 0x%llx\n", dev->name, 942 pci_name(pci_dev), dev->pci_rev, pci_dev->irq, 943 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0)); 944 pci_set_master(pci_dev); 945 if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) { 946 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name); 947 err = -EIO; 948 goto fail1; 949 } 950 951 /* board config */ 952 dev->board = pci_id->driver_data; 953 if ((unsigned)card[dev->nr] < saa7134_bcount) 954 dev->board = card[dev->nr]; 955 if (SAA7134_BOARD_UNKNOWN == dev->board) 956 must_configure_manually(0); 957 else if (SAA7134_BOARD_NOAUTO == dev->board) { 958 must_configure_manually(1); 959 dev->board = SAA7134_BOARD_UNKNOWN; 960 } 961 dev->autodetected = card[dev->nr] != dev->board; 962 dev->tuner_type = saa7134_boards[dev->board].tuner_type; 963 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr; 964 dev->radio_type = saa7134_boards[dev->board].radio_type; 965 dev->radio_addr = saa7134_boards[dev->board].radio_addr; 966 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf; 967 if (UNSET != tuner[dev->nr]) 968 dev->tuner_type = tuner[dev->nr]; 969 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", 970 dev->name,pci_dev->subsystem_vendor, 971 pci_dev->subsystem_device,saa7134_boards[dev->board].name, 972 dev->board, dev->autodetected ? 973 "autodetected" : "insmod option"); 974 975 /* get mmio */ 976 if (!request_mem_region(pci_resource_start(pci_dev,0), 977 pci_resource_len(pci_dev,0), 978 dev->name)) { 979 err = -EBUSY; 980 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n", 981 dev->name,(unsigned long long)pci_resource_start(pci_dev,0)); 982 goto fail1; 983 } 984 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0), 985 pci_resource_len(pci_dev, 0)); 986 dev->bmmio = (__u8 __iomem *)dev->lmmio; 987 if (NULL == dev->lmmio) { 988 err = -EIO; 989 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n", 990 dev->name); 991 goto fail2; 992 } 993 994 /* initialize hardware #1 */ 995 saa7134_board_init1(dev); 996 saa7134_hwinit1(dev); 997 998 /* get irq */ 999 err = request_irq(pci_dev->irq, saa7134_irq, 1000 IRQF_SHARED, dev->name, dev); 1001 if (err < 0) { 1002 printk(KERN_ERR "%s: can't get IRQ %d\n", 1003 dev->name,pci_dev->irq); 1004 goto fail3; 1005 } 1006 1007 /* wait a bit, register i2c bus */ 1008 msleep(100); 1009 saa7134_i2c_register(dev); 1010 saa7134_board_init2(dev); 1011 1012 saa7134_hwinit2(dev); 1013 1014 /* load i2c helpers */ 1015 if (card_is_empress(dev)) { 1016 dev->empress_sd = 1017 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, 1018 "saa6752hs", 1019 saa7134_boards[dev->board].empress_addr, NULL); 1020 1021 if (dev->empress_sd) 1022 dev->empress_sd->grp_id = GRP_EMPRESS; 1023 } 1024 1025 if (saa7134_boards[dev->board].rds_addr) { 1026 struct v4l2_subdev *sd; 1027 1028 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1029 &dev->i2c_adap, "saa6588", 1030 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr)); 1031 if (sd) { 1032 printk(KERN_INFO "%s: found RDS decoder\n", dev->name); 1033 dev->has_rds = 1; 1034 } 1035 } 1036 1037 mutex_lock(&saa7134_devlist_lock); 1038 list_for_each_entry(mops, &mops_list, next) 1039 mpeg_ops_attach(mops, dev); 1040 list_add_tail(&dev->devlist, &saa7134_devlist); 1041 mutex_unlock(&saa7134_devlist_lock); 1042 1043 /* check for signal */ 1044 saa7134_irq_video_signalchange(dev); 1045 1046 if (TUNER_ABSENT != dev->tuner_type) 1047 saa_call_all(dev, core, s_power, 0); 1048 1049 /* register v4l devices */ 1050 if (saa7134_no_overlay > 0) 1051 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name); 1052 1053 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); 1054 dev->video_dev->ctrl_handler = &dev->ctrl_handler; 1055 dev->video_dev->lock = &dev->lock; 1056 dev->video_dev->queue = &dev->video_vbq; 1057 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, 1058 video_nr[dev->nr]); 1059 if (err < 0) { 1060 printk(KERN_INFO "%s: can't register video device\n", 1061 dev->name); 1062 goto fail4; 1063 } 1064 printk(KERN_INFO "%s: registered device %s [v4l2]\n", 1065 dev->name, video_device_node_name(dev->video_dev)); 1066 1067 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi"); 1068 dev->vbi_dev->ctrl_handler = &dev->ctrl_handler; 1069 dev->vbi_dev->lock = &dev->lock; 1070 dev->vbi_dev->queue = &dev->vbi_vbq; 1071 1072 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, 1073 vbi_nr[dev->nr]); 1074 if (err < 0) 1075 goto fail4; 1076 printk(KERN_INFO "%s: registered device %s\n", 1077 dev->name, video_device_node_name(dev->vbi_dev)); 1078 1079 if (card_has_radio(dev)) { 1080 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio"); 1081 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler; 1082 dev->radio_dev->lock = &dev->lock; 1083 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, 1084 radio_nr[dev->nr]); 1085 if (err < 0) 1086 goto fail4; 1087 printk(KERN_INFO "%s: registered device %s\n", 1088 dev->name, video_device_node_name(dev->radio_dev)); 1089 } 1090 1091 /* everything worked */ 1092 saa7134_devcount++; 1093 1094 if (saa7134_dmasound_init && !dev->dmasound.priv_data) 1095 saa7134_dmasound_init(dev); 1096 1097 request_submodules(dev); 1098 return 0; 1099 1100 fail4: 1101 saa7134_unregister_video(dev); 1102 saa7134_i2c_unregister(dev); 1103 free_irq(pci_dev->irq, dev); 1104 fail3: 1105 saa7134_hwfini(dev); 1106 iounmap(dev->lmmio); 1107 fail2: 1108 release_mem_region(pci_resource_start(pci_dev,0), 1109 pci_resource_len(pci_dev,0)); 1110 fail1: 1111 v4l2_device_unregister(&dev->v4l2_dev); 1112 fail0: 1113 kfree(dev); 1114 return err; 1115 } 1116 1117 static void saa7134_finidev(struct pci_dev *pci_dev) 1118 { 1119 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1120 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1121 struct saa7134_mpeg_ops *mops; 1122 1123 flush_request_submodules(dev); 1124 1125 /* Release DMA sound modules if present */ 1126 if (saa7134_dmasound_exit && dev->dmasound.priv_data) { 1127 saa7134_dmasound_exit(dev); 1128 } 1129 1130 /* debugging ... */ 1131 if (irq_debug) { 1132 u32 report = saa_readl(SAA7134_IRQ_REPORT); 1133 u32 status = saa_readl(SAA7134_IRQ_STATUS); 1134 print_irqstatus(dev,42,report,status); 1135 } 1136 1137 /* disable peripheral devices */ 1138 saa_writeb(SAA7134_SPECIAL_MODE,0); 1139 1140 /* shutdown hardware */ 1141 saa_writel(SAA7134_IRQ1,0); 1142 saa_writel(SAA7134_IRQ2,0); 1143 saa_writel(SAA7134_MAIN_CTRL,0); 1144 1145 /* shutdown subsystems */ 1146 saa7134_hwfini(dev); 1147 1148 /* unregister */ 1149 mutex_lock(&saa7134_devlist_lock); 1150 list_del(&dev->devlist); 1151 list_for_each_entry(mops, &mops_list, next) 1152 mpeg_ops_detach(mops, dev); 1153 mutex_unlock(&saa7134_devlist_lock); 1154 saa7134_devcount--; 1155 1156 saa7134_i2c_unregister(dev); 1157 saa7134_unregister_video(dev); 1158 1159 1160 /* the DMA sound modules should be unloaded before reaching 1161 this, but just in case they are still present... */ 1162 if (dev->dmasound.priv_data != NULL) { 1163 free_irq(pci_dev->irq, &dev->dmasound); 1164 dev->dmasound.priv_data = NULL; 1165 } 1166 1167 1168 /* release resources */ 1169 free_irq(pci_dev->irq, dev); 1170 iounmap(dev->lmmio); 1171 release_mem_region(pci_resource_start(pci_dev,0), 1172 pci_resource_len(pci_dev,0)); 1173 1174 1175 v4l2_device_unregister(&dev->v4l2_dev); 1176 1177 /* free memory */ 1178 kfree(dev); 1179 } 1180 1181 #ifdef CONFIG_PM 1182 1183 /* resends a current buffer in queue after resume */ 1184 static int saa7134_buffer_requeue(struct saa7134_dev *dev, 1185 struct saa7134_dmaqueue *q) 1186 { 1187 struct saa7134_buf *buf, *next; 1188 1189 assert_spin_locked(&dev->slock); 1190 1191 buf = q->curr; 1192 next = buf; 1193 dprintk("buffer_requeue\n"); 1194 1195 if (!buf) 1196 return 0; 1197 1198 dprintk("buffer_requeue : resending active buffers \n"); 1199 1200 if (!list_empty(&q->queue)) 1201 next = list_entry(q->queue.next, struct saa7134_buf, 1202 entry); 1203 buf->activate(dev, buf, next); 1204 1205 return 0; 1206 } 1207 1208 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state) 1209 { 1210 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1211 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1212 1213 /* disable overlay - apps should enable it explicitly on resume*/ 1214 dev->ovenable = 0; 1215 1216 /* Disable interrupts, DMA, and rest of the chip*/ 1217 saa_writel(SAA7134_IRQ1, 0); 1218 saa_writel(SAA7134_IRQ2, 0); 1219 saa_writel(SAA7134_MAIN_CTRL, 0); 1220 1221 dev->insuspend = 1; 1222 synchronize_irq(pci_dev->irq); 1223 1224 /* ACK interrupts once more, just in case, 1225 since the IRQ handler won't ack them anymore*/ 1226 1227 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 1228 1229 /* Disable timeout timers - if we have active buffers, we will 1230 fill them on resume*/ 1231 1232 del_timer(&dev->video_q.timeout); 1233 del_timer(&dev->vbi_q.timeout); 1234 del_timer(&dev->ts_q.timeout); 1235 1236 if (dev->remote) 1237 saa7134_ir_stop(dev); 1238 1239 pci_save_state(pci_dev); 1240 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); 1241 1242 return 0; 1243 } 1244 1245 static int saa7134_resume(struct pci_dev *pci_dev) 1246 { 1247 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1248 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1249 unsigned long flags; 1250 1251 pci_set_power_state(pci_dev, PCI_D0); 1252 pci_restore_state(pci_dev); 1253 1254 /* Do things that are done in saa7134_initdev , 1255 except of initializing memory structures.*/ 1256 1257 saa7134_board_init1(dev); 1258 1259 /* saa7134_hwinit1 */ 1260 if (saa7134_boards[dev->board].video_out) 1261 saa7134_videoport_init(dev); 1262 if (card_has_mpeg(dev)) 1263 saa7134_ts_init_hw(dev); 1264 if (dev->remote) 1265 saa7134_ir_start(dev); 1266 saa7134_hw_enable1(dev); 1267 1268 msleep(100); 1269 1270 saa7134_board_init2(dev); 1271 1272 /*saa7134_hwinit2*/ 1273 saa7134_set_tvnorm_hw(dev); 1274 saa7134_tvaudio_setmute(dev); 1275 saa7134_tvaudio_setvolume(dev, dev->ctl_volume); 1276 saa7134_tvaudio_init(dev); 1277 saa7134_enable_i2s(dev); 1278 saa7134_hw_enable2(dev); 1279 1280 saa7134_irq_video_signalchange(dev); 1281 1282 /*resume unfinished buffer(s)*/ 1283 spin_lock_irqsave(&dev->slock, flags); 1284 saa7134_buffer_requeue(dev, &dev->video_q); 1285 saa7134_buffer_requeue(dev, &dev->vbi_q); 1286 saa7134_buffer_requeue(dev, &dev->ts_q); 1287 1288 /* FIXME: Disable DMA audio sound - temporary till proper support 1289 is implemented*/ 1290 1291 dev->dmasound.dma_running = 0; 1292 1293 /* start DMA now*/ 1294 dev->insuspend = 0; 1295 smp_wmb(); 1296 saa7134_set_dmabits(dev); 1297 spin_unlock_irqrestore(&dev->slock, flags); 1298 1299 return 0; 1300 } 1301 #endif 1302 1303 /* ----------------------------------------------------------- */ 1304 1305 int saa7134_ts_register(struct saa7134_mpeg_ops *ops) 1306 { 1307 struct saa7134_dev *dev; 1308 1309 mutex_lock(&saa7134_devlist_lock); 1310 list_for_each_entry(dev, &saa7134_devlist, devlist) 1311 mpeg_ops_attach(ops, dev); 1312 list_add_tail(&ops->next,&mops_list); 1313 mutex_unlock(&saa7134_devlist_lock); 1314 return 0; 1315 } 1316 1317 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) 1318 { 1319 struct saa7134_dev *dev; 1320 1321 mutex_lock(&saa7134_devlist_lock); 1322 list_del(&ops->next); 1323 list_for_each_entry(dev, &saa7134_devlist, devlist) 1324 mpeg_ops_detach(ops, dev); 1325 mutex_unlock(&saa7134_devlist_lock); 1326 } 1327 1328 EXPORT_SYMBOL(saa7134_ts_register); 1329 EXPORT_SYMBOL(saa7134_ts_unregister); 1330 1331 /* ----------------------------------------------------------- */ 1332 1333 static struct pci_driver saa7134_pci_driver = { 1334 .name = "saa7134", 1335 .id_table = saa7134_pci_tbl, 1336 .probe = saa7134_initdev, 1337 .remove = saa7134_finidev, 1338 #ifdef CONFIG_PM 1339 .suspend = saa7134_suspend, 1340 .resume = saa7134_resume 1341 #endif 1342 }; 1343 1344 static int __init saa7134_init(void) 1345 { 1346 INIT_LIST_HEAD(&saa7134_devlist); 1347 printk(KERN_INFO "saa7130/34: v4l2 driver version %s loaded\n", 1348 SAA7134_VERSION); 1349 return pci_register_driver(&saa7134_pci_driver); 1350 } 1351 1352 static void __exit saa7134_fini(void) 1353 { 1354 pci_unregister_driver(&saa7134_pci_driver); 1355 } 1356 1357 module_init(saa7134_init); 1358 module_exit(saa7134_fini); 1359 1360 /* ----------------------------------------------------------- */ 1361 1362 EXPORT_SYMBOL(saa7134_set_gpio); 1363 EXPORT_SYMBOL(saa7134_boards); 1364 1365 /* ----------------- for the DMA sound modules --------------- */ 1366 1367 EXPORT_SYMBOL(saa7134_dmasound_init); 1368 EXPORT_SYMBOL(saa7134_dmasound_exit); 1369 EXPORT_SYMBOL(saa7134_pgtable_free); 1370 EXPORT_SYMBOL(saa7134_pgtable_build); 1371 EXPORT_SYMBOL(saa7134_pgtable_alloc); 1372 EXPORT_SYMBOL(saa7134_set_dmabits); 1373