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 "saa7134.h" 24 #include "saa7134-reg.h" 25 26 #include <linux/init.h> 27 #include <linux/list.h> 28 #include <linux/module.h> 29 #include <linux/kernel.h> 30 #include <linux/slab.h> 31 #include <linux/kmod.h> 32 #include <linux/sound.h> 33 #include <linux/interrupt.h> 34 #include <linux/delay.h> 35 #include <linux/mutex.h> 36 #include <linux/dma-mapping.h> 37 #include <linux/pm.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 core_dbg(fmt, arg...) do { \ 106 if (core_debug) \ 107 printk(KERN_DEBUG pr_fmt("core: " fmt), ## arg); \ 108 } while (0) 109 110 #define irq_dbg(level, fmt, arg...) do {\ 111 if (irq_debug > level) \ 112 printk(KERN_DEBUG pr_fmt("irq: " fmt), ## arg); \ 113 } while (0) 114 115 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg) 116 { 117 unsigned long mode,status; 118 119 if (!gpio_tracking) 120 return; 121 /* rising SAA7134_GPIO_GPRESCAN reads the status */ 122 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0); 123 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN); 124 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff; 125 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff; 126 core_dbg("%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n", 127 dev->name, mode, (~mode) & status, mode & status, msg); 128 } 129 130 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value) 131 { 132 u32 index, bitval; 133 134 index = 1 << bit_no; 135 switch (value) { 136 case 0: /* static value */ 137 case 1: 138 core_dbg("setting GPIO%d to static %d\n", bit_no, value); 139 /* turn sync mode off if necessary */ 140 if (index & 0x00c00000) 141 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00); 142 if (value) 143 bitval = index; 144 else 145 bitval = 0; 146 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index); 147 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval); 148 break; 149 case 3: /* tristate */ 150 core_dbg("setting GPIO%d to tristate\n", bit_no); 151 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0); 152 break; 153 } 154 } 155 156 /* ------------------------------------------------------------------ */ 157 158 159 /* ----------------------------------------------------------- */ 160 /* delayed request_module */ 161 162 #if defined(CONFIG_MODULES) && defined(MODULE) 163 164 static void request_module_async(struct work_struct *work){ 165 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk); 166 if (card_is_empress(dev)) 167 request_module("saa7134-empress"); 168 if (card_is_dvb(dev)) 169 request_module("saa7134-dvb"); 170 if (card_is_go7007(dev)) 171 request_module("saa7134-go7007"); 172 if (alsa) { 173 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130) 174 request_module("saa7134-alsa"); 175 } 176 } 177 178 static void request_submodules(struct saa7134_dev *dev) 179 { 180 INIT_WORK(&dev->request_module_wk, request_module_async); 181 schedule_work(&dev->request_module_wk); 182 } 183 184 static void flush_request_submodules(struct saa7134_dev *dev) 185 { 186 flush_work(&dev->request_module_wk); 187 } 188 189 #else 190 #define request_submodules(dev) 191 #define flush_request_submodules(dev) 192 #endif /* CONFIG_MODULES */ 193 194 /* ------------------------------------------------------------------ */ 195 196 /* nr of (saa7134-)pages for the given buffer size */ 197 static int saa7134_buffer_pages(int size) 198 { 199 size = PAGE_ALIGN(size); 200 size += PAGE_SIZE; /* for non-page-aligned buffers */ 201 size /= 4096; 202 return size; 203 } 204 205 /* calc max # of buffers from size (must not exceed the 4MB virtual 206 * address space per DMA channel) */ 207 int saa7134_buffer_count(unsigned int size, unsigned int count) 208 { 209 unsigned int maxcount; 210 211 maxcount = 1024 / saa7134_buffer_pages(size); 212 if (count > maxcount) 213 count = maxcount; 214 return count; 215 } 216 217 int saa7134_buffer_startpage(struct saa7134_buf *buf) 218 { 219 return saa7134_buffer_pages(vb2_plane_size(&buf->vb2, 0)) * buf->vb2.v4l2_buf.index; 220 } 221 222 unsigned long saa7134_buffer_base(struct saa7134_buf *buf) 223 { 224 unsigned long base; 225 struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0); 226 227 base = saa7134_buffer_startpage(buf) * 4096; 228 base += dma->sgl[0].offset; 229 return base; 230 } 231 232 /* ------------------------------------------------------------------ */ 233 234 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt) 235 { 236 __le32 *cpu; 237 dma_addr_t dma_addr = 0; 238 239 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr); 240 if (NULL == cpu) 241 return -ENOMEM; 242 pt->size = SAA7134_PGTABLE_SIZE; 243 pt->cpu = cpu; 244 pt->dma = dma_addr; 245 return 0; 246 } 247 248 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt, 249 struct scatterlist *list, unsigned int length, 250 unsigned int startpage) 251 { 252 __le32 *ptr; 253 unsigned int i, p; 254 255 BUG_ON(NULL == pt || NULL == pt->cpu); 256 257 ptr = pt->cpu + startpage; 258 for (i = 0; i < length; i++, list = sg_next(list)) { 259 for (p = 0; p * 4096 < list->length; p++, ptr++) 260 *ptr = cpu_to_le32(sg_dma_address(list) + 261 list->offset + p * 4096); 262 } 263 return 0; 264 } 265 266 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt) 267 { 268 if (NULL == pt->cpu) 269 return; 270 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma); 271 pt->cpu = NULL; 272 } 273 274 /* ------------------------------------------------------------------ */ 275 276 int saa7134_buffer_queue(struct saa7134_dev *dev, 277 struct saa7134_dmaqueue *q, 278 struct saa7134_buf *buf) 279 { 280 struct saa7134_buf *next = NULL; 281 unsigned long flags; 282 283 spin_lock_irqsave(&dev->slock, flags); 284 core_dbg("buffer_queue %p\n", buf); 285 if (NULL == q->curr) { 286 if (!q->need_two) { 287 q->curr = buf; 288 buf->activate(dev, buf, NULL); 289 } else if (list_empty(&q->queue)) { 290 list_add_tail(&buf->entry, &q->queue); 291 } else { 292 next = list_entry(q->queue.next, struct saa7134_buf, 293 entry); 294 q->curr = buf; 295 buf->activate(dev, buf, next); 296 } 297 } else { 298 list_add_tail(&buf->entry, &q->queue); 299 } 300 spin_unlock_irqrestore(&dev->slock, flags); 301 return 0; 302 } 303 304 void saa7134_buffer_finish(struct saa7134_dev *dev, 305 struct saa7134_dmaqueue *q, 306 unsigned int state) 307 { 308 core_dbg("buffer_finish %p\n", q->curr); 309 310 /* finish current buffer */ 311 v4l2_get_timestamp(&q->curr->vb2.v4l2_buf.timestamp); 312 q->curr->vb2.v4l2_buf.sequence = q->seq_nr++; 313 vb2_buffer_done(&q->curr->vb2, state); 314 q->curr = NULL; 315 } 316 317 void saa7134_buffer_next(struct saa7134_dev *dev, 318 struct saa7134_dmaqueue *q) 319 { 320 struct saa7134_buf *buf,*next = NULL; 321 322 assert_spin_locked(&dev->slock); 323 BUG_ON(NULL != q->curr); 324 325 if (!list_empty(&q->queue)) { 326 /* activate next one from queue */ 327 buf = list_entry(q->queue.next, struct saa7134_buf, entry); 328 core_dbg("buffer_next %p [prev=%p/next=%p]\n", 329 buf, q->queue.prev, q->queue.next); 330 list_del(&buf->entry); 331 if (!list_empty(&q->queue)) 332 next = list_entry(q->queue.next, struct saa7134_buf, entry); 333 q->curr = buf; 334 buf->activate(dev, buf, next); 335 core_dbg("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 core_dbg("buffer_next %p\n", NULL); 340 saa7134_set_dmabits(dev); 341 del_timer(&q->timeout); 342 } 343 } 344 345 void saa7134_buffer_timeout(unsigned long data) 346 { 347 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue *)data; 348 struct saa7134_dev *dev = q->dev; 349 unsigned long flags; 350 351 spin_lock_irqsave(&dev->slock, flags); 352 353 /* try to reset the hardware (SWRST) */ 354 saa_writeb(SAA7134_REGION_ENABLE, 0x00); 355 saa_writeb(SAA7134_REGION_ENABLE, 0x80); 356 saa_writeb(SAA7134_REGION_ENABLE, 0x00); 357 358 /* flag current buffer as failed, 359 try to start over with the next one. */ 360 if (q->curr) { 361 core_dbg("timeout on %p\n", q->curr); 362 saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR); 363 } 364 saa7134_buffer_next(dev, q); 365 spin_unlock_irqrestore(&dev->slock, flags); 366 } 367 368 void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q) 369 { 370 unsigned long flags; 371 struct list_head *pos, *n; 372 struct saa7134_buf *tmp; 373 374 spin_lock_irqsave(&dev->slock, flags); 375 if (!list_empty(&q->queue)) { 376 list_for_each_safe(pos, n, &q->queue) { 377 tmp = list_entry(pos, struct saa7134_buf, entry); 378 vb2_buffer_done(&tmp->vb2, VB2_BUF_STATE_ERROR); 379 list_del(pos); 380 tmp = NULL; 381 } 382 } 383 spin_unlock_irqrestore(&dev->slock, flags); 384 saa7134_buffer_timeout((unsigned long)q); /* also calls del_timer(&q->timeout) */ 385 } 386 EXPORT_SYMBOL_GPL(saa7134_stop_streaming); 387 388 /* ------------------------------------------------------------------ */ 389 390 int saa7134_set_dmabits(struct saa7134_dev *dev) 391 { 392 u32 split, task=0, ctrl=0, irq=0; 393 enum v4l2_field cap = V4L2_FIELD_ANY; 394 enum v4l2_field ov = V4L2_FIELD_ANY; 395 396 assert_spin_locked(&dev->slock); 397 398 if (dev->insuspend) 399 return 0; 400 401 /* video capture -- dma 0 + video task A */ 402 if (dev->video_q.curr) { 403 task |= 0x01; 404 ctrl |= SAA7134_MAIN_CTRL_TE0; 405 irq |= SAA7134_IRQ1_INTE_RA0_1 | 406 SAA7134_IRQ1_INTE_RA0_0; 407 cap = dev->field; 408 } 409 410 /* video capture -- dma 1+2 (planar modes) */ 411 if (dev->video_q.curr && dev->fmt->planar) { 412 ctrl |= SAA7134_MAIN_CTRL_TE4 | 413 SAA7134_MAIN_CTRL_TE5; 414 } 415 416 /* screen overlay -- dma 0 + video task B */ 417 if (dev->ovenable) { 418 task |= 0x10; 419 ctrl |= SAA7134_MAIN_CTRL_TE1; 420 ov = dev->ovfield; 421 } 422 423 /* vbi capture -- dma 0 + vbi task A+B */ 424 if (dev->vbi_q.curr) { 425 task |= 0x22; 426 ctrl |= SAA7134_MAIN_CTRL_TE2 | 427 SAA7134_MAIN_CTRL_TE3; 428 irq |= SAA7134_IRQ1_INTE_RA0_7 | 429 SAA7134_IRQ1_INTE_RA0_6 | 430 SAA7134_IRQ1_INTE_RA0_5 | 431 SAA7134_IRQ1_INTE_RA0_4; 432 } 433 434 /* audio capture -- dma 3 */ 435 if (dev->dmasound.dma_running) { 436 ctrl |= SAA7134_MAIN_CTRL_TE6; 437 irq |= SAA7134_IRQ1_INTE_RA3_1 | 438 SAA7134_IRQ1_INTE_RA3_0; 439 } 440 441 /* TS capture -- dma 5 */ 442 if (dev->ts_q.curr) { 443 ctrl |= SAA7134_MAIN_CTRL_TE5; 444 irq |= SAA7134_IRQ1_INTE_RA2_1 | 445 SAA7134_IRQ1_INTE_RA2_0; 446 } 447 448 /* set task conditions + field handling */ 449 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) { 450 /* default config -- use full frames */ 451 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 452 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 453 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02); 454 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02); 455 split = 0; 456 } else { 457 /* split fields between tasks */ 458 if (V4L2_FIELD_TOP == cap) { 459 /* odd A, even B, repeat */ 460 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 461 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e); 462 } else { 463 /* odd B, even A, repeat */ 464 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e); 465 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 466 } 467 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01); 468 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01); 469 split = 1; 470 } 471 472 /* irqs */ 473 saa_writeb(SAA7134_REGION_ENABLE, task); 474 saa_writel(SAA7134_IRQ1, irq); 475 saa_andorl(SAA7134_MAIN_CTRL, 476 SAA7134_MAIN_CTRL_TE0 | 477 SAA7134_MAIN_CTRL_TE1 | 478 SAA7134_MAIN_CTRL_TE2 | 479 SAA7134_MAIN_CTRL_TE3 | 480 SAA7134_MAIN_CTRL_TE4 | 481 SAA7134_MAIN_CTRL_TE5 | 482 SAA7134_MAIN_CTRL_TE6, 483 ctrl); 484 core_dbg("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n", 485 task, ctrl, irq, split ? "no" : "yes"); 486 487 return 0; 488 } 489 490 /* ------------------------------------------------------------------ */ 491 /* IRQ handler + helpers */ 492 493 static char *irqbits[] = { 494 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3", 495 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC", 496 "TRIG_ERR", "CONF_ERR", "LOAD_ERR", 497 "GPIO16", "GPIO18", "GPIO22", "GPIO23" 498 }; 499 #define IRQBITS ARRAY_SIZE(irqbits) 500 501 static void print_irqstatus(struct saa7134_dev *dev, int loop, 502 unsigned long report, unsigned long status) 503 { 504 unsigned int i; 505 506 irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx", 507 loop, jiffies, report, status); 508 for (i = 0; i < IRQBITS; i++) { 509 if (!(report & (1 << i))) 510 continue; 511 pr_cont(" %s", irqbits[i]); 512 } 513 if (report & SAA7134_IRQ_REPORT_DONE_RA0) { 514 pr_cont(" | RA0=%s,%s,%s,%ld", 515 (status & 0x40) ? "vbi" : "video", 516 (status & 0x20) ? "b" : "a", 517 (status & 0x10) ? "odd" : "even", 518 (status & 0x0f)); 519 } 520 pr_cont("\n"); 521 } 522 523 static irqreturn_t saa7134_irq(int irq, void *dev_id) 524 { 525 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id; 526 unsigned long report,status; 527 int loop, handled = 0; 528 529 if (dev->insuspend) 530 goto out; 531 532 for (loop = 0; loop < 10; loop++) { 533 report = saa_readl(SAA7134_IRQ_REPORT); 534 status = saa_readl(SAA7134_IRQ_STATUS); 535 536 /* If dmasound support is active and we get a sound report, 537 * mask out the report and let the saa7134-alsa module deal 538 * with it */ 539 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) && 540 (dev->dmasound.priv_data != NULL) ) 541 { 542 irq_dbg(2, "preserving DMA sound interrupt\n"); 543 report &= ~SAA7134_IRQ_REPORT_DONE_RA3; 544 } 545 546 if (0 == report) { 547 irq_dbg(2, "no (more) work\n"); 548 goto out; 549 } 550 551 handled = 1; 552 saa_writel(SAA7134_IRQ_REPORT,report); 553 if (irq_debug) 554 print_irqstatus(dev,loop,report,status); 555 556 557 if ((report & SAA7134_IRQ_REPORT_RDCAP) || 558 (report & SAA7134_IRQ_REPORT_INTL)) 559 saa7134_irq_video_signalchange(dev); 560 561 562 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 563 (status & 0x60) == 0) 564 saa7134_irq_video_done(dev,status); 565 566 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 567 (status & 0x40) == 0x40) 568 saa7134_irq_vbi_done(dev,status); 569 570 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) && 571 card_has_mpeg(dev)) { 572 if (dev->mops->irq_ts_done != NULL) 573 dev->mops->irq_ts_done(dev, status); 574 else 575 saa7134_irq_ts_done(dev, status); 576 } 577 578 if (report & SAA7134_IRQ_REPORT_GPIO16) { 579 switch (dev->has_remote) { 580 case SAA7134_REMOTE_GPIO: 581 if (!dev->remote) 582 break; 583 if (dev->remote->mask_keydown & 0x10000) { 584 saa7134_input_irq(dev); 585 } 586 break; 587 588 case SAA7134_REMOTE_I2C: 589 break; /* FIXME: invoke I2C get_key() */ 590 591 default: /* GPIO16 not used by IR remote */ 592 break; 593 } 594 } 595 596 if (report & SAA7134_IRQ_REPORT_GPIO18) { 597 switch (dev->has_remote) { 598 case SAA7134_REMOTE_GPIO: 599 if (!dev->remote) 600 break; 601 if ((dev->remote->mask_keydown & 0x40000) || 602 (dev->remote->mask_keyup & 0x40000)) { 603 saa7134_input_irq(dev); 604 } 605 break; 606 607 case SAA7134_REMOTE_I2C: 608 break; /* FIXME: invoke I2C get_key() */ 609 610 default: /* GPIO18 not used by IR remote */ 611 break; 612 } 613 } 614 } 615 616 if (10 == loop) { 617 print_irqstatus(dev,loop,report,status); 618 if (report & SAA7134_IRQ_REPORT_PE) { 619 /* disable all parity error */ 620 pr_warn("%s/irq: looping -- " 621 "clearing PE (parity error!) enable bit\n",dev->name); 622 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE); 623 } else if (report & SAA7134_IRQ_REPORT_GPIO16) { 624 /* disable gpio16 IRQ */ 625 pr_warn("%s/irq: looping -- " 626 "clearing GPIO16 enable bit\n",dev->name); 627 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P); 628 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N); 629 } else if (report & SAA7134_IRQ_REPORT_GPIO18) { 630 /* disable gpio18 IRQs */ 631 pr_warn("%s/irq: looping -- " 632 "clearing GPIO18 enable bit\n",dev->name); 633 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P); 634 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N); 635 } else { 636 /* disable all irqs */ 637 pr_warn("%s/irq: looping -- " 638 "clearing all enable bits\n",dev->name); 639 saa_writel(SAA7134_IRQ1,0); 640 saa_writel(SAA7134_IRQ2,0); 641 } 642 } 643 644 out: 645 return IRQ_RETVAL(handled); 646 } 647 648 /* ------------------------------------------------------------------ */ 649 650 /* early init (no i2c, no irq) */ 651 652 static int saa7134_hw_enable1(struct saa7134_dev *dev) 653 { 654 /* RAM FIFO config */ 655 saa_writel(SAA7134_FIFO_SIZE, 0x08070503); 656 saa_writel(SAA7134_THRESHOULD, 0x02020202); 657 658 /* enable audio + video processing */ 659 saa_writel(SAA7134_MAIN_CTRL, 660 SAA7134_MAIN_CTRL_VPLLE | 661 SAA7134_MAIN_CTRL_APLLE | 662 SAA7134_MAIN_CTRL_EXOSC | 663 SAA7134_MAIN_CTRL_EVFE1 | 664 SAA7134_MAIN_CTRL_EVFE2 | 665 SAA7134_MAIN_CTRL_ESFE | 666 SAA7134_MAIN_CTRL_EBDAC); 667 668 /* 669 * Initialize OSS _after_ enabling audio clock PLL and audio processing. 670 * OSS initialization writes to registers via the audio DSP; these 671 * writes will fail unless the audio clock has been started. At worst, 672 * audio will not work. 673 */ 674 675 /* enable peripheral devices */ 676 saa_writeb(SAA7134_SPECIAL_MODE, 0x01); 677 678 /* set vertical line numbering start (vbi needs this) */ 679 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20); 680 681 return 0; 682 } 683 684 static int saa7134_hwinit1(struct saa7134_dev *dev) 685 { 686 core_dbg("hwinit1\n"); 687 688 saa_writel(SAA7134_IRQ1, 0); 689 saa_writel(SAA7134_IRQ2, 0); 690 691 /* Clear any stale IRQ reports */ 692 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 693 694 mutex_init(&dev->lock); 695 spin_lock_init(&dev->slock); 696 697 saa7134_track_gpio(dev,"pre-init"); 698 saa7134_video_init1(dev); 699 saa7134_vbi_init1(dev); 700 if (card_has_mpeg(dev)) 701 saa7134_ts_init1(dev); 702 saa7134_input_init1(dev); 703 704 saa7134_hw_enable1(dev); 705 706 return 0; 707 } 708 709 /* late init (with i2c + irq) */ 710 static int saa7134_hw_enable2(struct saa7134_dev *dev) 711 { 712 713 unsigned int irq2_mask; 714 715 /* enable IRQ's */ 716 irq2_mask = 717 SAA7134_IRQ2_INTE_DEC3 | 718 SAA7134_IRQ2_INTE_DEC2 | 719 SAA7134_IRQ2_INTE_DEC1 | 720 SAA7134_IRQ2_INTE_DEC0 | 721 SAA7134_IRQ2_INTE_PE | 722 SAA7134_IRQ2_INTE_AR; 723 724 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) { 725 if (dev->remote->mask_keydown & 0x10000) 726 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N; 727 else { /* Allow enabling both IRQ edge triggers */ 728 if (dev->remote->mask_keydown & 0x40000) 729 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P; 730 if (dev->remote->mask_keyup & 0x40000) 731 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N; 732 } 733 } 734 735 if (dev->has_remote == SAA7134_REMOTE_I2C) { 736 request_module("ir-kbd-i2c"); 737 } 738 739 saa_writel(SAA7134_IRQ1, 0); 740 saa_writel(SAA7134_IRQ2, irq2_mask); 741 742 return 0; 743 } 744 745 static int saa7134_hwinit2(struct saa7134_dev *dev) 746 { 747 748 core_dbg("hwinit2\n"); 749 750 saa7134_video_init2(dev); 751 saa7134_tvaudio_init2(dev); 752 753 saa7134_hw_enable2(dev); 754 755 return 0; 756 } 757 758 759 /* shutdown */ 760 static int saa7134_hwfini(struct saa7134_dev *dev) 761 { 762 core_dbg("hwfini\n"); 763 764 if (card_has_mpeg(dev)) 765 saa7134_ts_fini(dev); 766 saa7134_input_fini(dev); 767 saa7134_vbi_fini(dev); 768 saa7134_tvaudio_fini(dev); 769 saa7134_video_fini(dev); 770 return 0; 771 } 772 773 static void must_configure_manually(int has_eeprom) 774 { 775 unsigned int i,p; 776 777 if (!has_eeprom) 778 pr_warn("saa7134: <rant>\n" 779 "saa7134: Congratulations! Your TV card vendor saved a few\n" 780 "saa7134: cents for a eeprom, thus your pci board has no\n" 781 "saa7134: subsystem ID and I can't identify it automatically\n" 782 "saa7134: </rant>\n" 783 "saa7134: I feel better now. Ok, here are the good news:\n" 784 "saa7134: You can use the card=<nr> insmod option to specify\n" 785 "saa7134: which board do you have. The list:\n"); 786 else 787 pr_warn("saa7134: Board is currently unknown. You might try to use the card=<nr>\n" 788 "saa7134: insmod option to specify which board do you have, but this is\n" 789 "saa7134: somewhat risky, as might damage your card. It is better to ask\n" 790 "saa7134: for support at linux-media@vger.kernel.org.\n" 791 "saa7134: The supported cards are:\n"); 792 793 for (i = 0; i < saa7134_bcount; i++) { 794 pr_warn("saa7134: card=%d -> %-40.40s", 795 i,saa7134_boards[i].name); 796 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) { 797 if (saa7134_pci_tbl[p].driver_data != i) 798 continue; 799 pr_cont(" %04x:%04x", 800 saa7134_pci_tbl[p].subvendor, 801 saa7134_pci_tbl[p].subdevice); 802 } 803 pr_cont("\n"); 804 } 805 } 806 807 static struct video_device *vdev_init(struct saa7134_dev *dev, 808 struct video_device *template, 809 char *type) 810 { 811 struct video_device *vfd; 812 813 vfd = video_device_alloc(); 814 if (NULL == vfd) 815 return NULL; 816 *vfd = *template; 817 vfd->v4l2_dev = &dev->v4l2_dev; 818 vfd->release = video_device_release; 819 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", 820 dev->name, type, saa7134_boards[dev->board].name); 821 video_set_drvdata(vfd, dev); 822 return vfd; 823 } 824 825 static void saa7134_unregister_video(struct saa7134_dev *dev) 826 { 827 if (dev->video_dev) { 828 if (video_is_registered(dev->video_dev)) 829 video_unregister_device(dev->video_dev); 830 else 831 video_device_release(dev->video_dev); 832 dev->video_dev = NULL; 833 } 834 if (dev->vbi_dev) { 835 if (video_is_registered(dev->vbi_dev)) 836 video_unregister_device(dev->vbi_dev); 837 else 838 video_device_release(dev->vbi_dev); 839 dev->vbi_dev = NULL; 840 } 841 if (dev->radio_dev) { 842 if (video_is_registered(dev->radio_dev)) 843 video_unregister_device(dev->radio_dev); 844 else 845 video_device_release(dev->radio_dev); 846 dev->radio_dev = NULL; 847 } 848 } 849 850 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops, 851 struct saa7134_dev *dev) 852 { 853 int err; 854 855 if (NULL != dev->mops) 856 return; 857 if (saa7134_boards[dev->board].mpeg != ops->type) 858 return; 859 err = ops->init(dev); 860 if (0 != err) 861 return; 862 dev->mops = ops; 863 } 864 865 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops, 866 struct saa7134_dev *dev) 867 { 868 if (NULL == dev->mops) 869 return; 870 if (dev->mops != ops) 871 return; 872 dev->mops->fini(dev); 873 dev->mops = NULL; 874 } 875 876 static int saa7134_initdev(struct pci_dev *pci_dev, 877 const struct pci_device_id *pci_id) 878 { 879 struct saa7134_dev *dev; 880 struct saa7134_mpeg_ops *mops; 881 int err; 882 883 if (saa7134_devcount == SAA7134_MAXBOARDS) 884 return -ENOMEM; 885 886 dev = kzalloc(sizeof(*dev),GFP_KERNEL); 887 if (NULL == dev) 888 return -ENOMEM; 889 890 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); 891 if (err) 892 goto fail0; 893 894 /* pci init */ 895 dev->pci = pci_dev; 896 if (pci_enable_device(pci_dev)) { 897 err = -EIO; 898 goto fail1; 899 } 900 901 dev->nr = saa7134_devcount; 902 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr); 903 904 /* pci quirks */ 905 if (pci_pci_problems) { 906 if (pci_pci_problems & PCIPCI_TRITON) 907 pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name); 908 if (pci_pci_problems & PCIPCI_NATOMA) 909 pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name); 910 if (pci_pci_problems & PCIPCI_VIAETBF) 911 pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name); 912 if (pci_pci_problems & PCIPCI_VSFX) 913 pr_info("%s: quirk: PCIPCI_VSFX\n", dev->name); 914 #ifdef PCIPCI_ALIMAGIK 915 if (pci_pci_problems & PCIPCI_ALIMAGIK) { 916 pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", 917 dev->name); 918 latency = 0x0A; 919 } 920 #endif 921 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) { 922 pr_info("%s: quirk: this driver and your " 923 "chipset may not work together" 924 " in overlay mode.\n",dev->name); 925 if (!saa7134_no_overlay) { 926 pr_info("%s: quirk: overlay " 927 "mode will be disabled.\n", 928 dev->name); 929 saa7134_no_overlay = 1; 930 } else { 931 pr_info("%s: quirk: overlay " 932 "mode will be forced. Use this" 933 " option at your own risk.\n", 934 dev->name); 935 } 936 } 937 } 938 if (UNSET != latency) { 939 pr_info("%s: setting pci latency timer to %d\n", 940 dev->name,latency); 941 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); 942 } 943 944 /* print pci info */ 945 dev->pci_rev = pci_dev->revision; 946 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); 947 pr_info("%s: found at %s, rev: %d, irq: %d, " 948 "latency: %d, mmio: 0x%llx\n", dev->name, 949 pci_name(pci_dev), dev->pci_rev, pci_dev->irq, 950 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0)); 951 pci_set_master(pci_dev); 952 if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) { 953 pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name); 954 err = -EIO; 955 goto fail1; 956 } 957 958 /* board config */ 959 dev->board = pci_id->driver_data; 960 if ((unsigned)card[dev->nr] < saa7134_bcount) 961 dev->board = card[dev->nr]; 962 if (SAA7134_BOARD_UNKNOWN == dev->board) 963 must_configure_manually(0); 964 else if (SAA7134_BOARD_NOAUTO == dev->board) { 965 must_configure_manually(1); 966 dev->board = SAA7134_BOARD_UNKNOWN; 967 } 968 dev->autodetected = card[dev->nr] != dev->board; 969 dev->tuner_type = saa7134_boards[dev->board].tuner_type; 970 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr; 971 dev->radio_type = saa7134_boards[dev->board].radio_type; 972 dev->radio_addr = saa7134_boards[dev->board].radio_addr; 973 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf; 974 if (UNSET != tuner[dev->nr]) 975 dev->tuner_type = tuner[dev->nr]; 976 pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", 977 dev->name,pci_dev->subsystem_vendor, 978 pci_dev->subsystem_device,saa7134_boards[dev->board].name, 979 dev->board, dev->autodetected ? 980 "autodetected" : "insmod option"); 981 982 /* get mmio */ 983 if (!request_mem_region(pci_resource_start(pci_dev,0), 984 pci_resource_len(pci_dev,0), 985 dev->name)) { 986 err = -EBUSY; 987 pr_err("%s: can't get MMIO memory @ 0x%llx\n", 988 dev->name,(unsigned long long)pci_resource_start(pci_dev,0)); 989 goto fail1; 990 } 991 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0), 992 pci_resource_len(pci_dev, 0)); 993 dev->bmmio = (__u8 __iomem *)dev->lmmio; 994 if (NULL == dev->lmmio) { 995 err = -EIO; 996 pr_err("%s: can't ioremap() MMIO memory\n", 997 dev->name); 998 goto fail2; 999 } 1000 1001 /* initialize hardware #1 */ 1002 saa7134_board_init1(dev); 1003 saa7134_hwinit1(dev); 1004 1005 dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev); 1006 if (IS_ERR(dev->alloc_ctx)) { 1007 err = PTR_ERR(dev->alloc_ctx); 1008 goto fail3; 1009 } 1010 /* get irq */ 1011 err = request_irq(pci_dev->irq, saa7134_irq, 1012 IRQF_SHARED, dev->name, dev); 1013 if (err < 0) { 1014 pr_err("%s: can't get IRQ %d\n", 1015 dev->name,pci_dev->irq); 1016 goto fail4; 1017 } 1018 1019 /* wait a bit, register i2c bus */ 1020 msleep(100); 1021 saa7134_i2c_register(dev); 1022 saa7134_board_init2(dev); 1023 1024 saa7134_hwinit2(dev); 1025 1026 /* load i2c helpers */ 1027 if (card_is_empress(dev)) { 1028 dev->empress_sd = 1029 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, 1030 "saa6752hs", 1031 saa7134_boards[dev->board].empress_addr, NULL); 1032 1033 if (dev->empress_sd) 1034 dev->empress_sd->grp_id = GRP_EMPRESS; 1035 } 1036 1037 if (saa7134_boards[dev->board].rds_addr) { 1038 struct v4l2_subdev *sd; 1039 1040 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1041 &dev->i2c_adap, "saa6588", 1042 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr)); 1043 if (sd) { 1044 pr_info("%s: found RDS decoder\n", dev->name); 1045 dev->has_rds = 1; 1046 } 1047 } 1048 1049 mutex_lock(&saa7134_devlist_lock); 1050 list_for_each_entry(mops, &mops_list, next) 1051 mpeg_ops_attach(mops, dev); 1052 list_add_tail(&dev->devlist, &saa7134_devlist); 1053 mutex_unlock(&saa7134_devlist_lock); 1054 1055 /* check for signal */ 1056 saa7134_irq_video_signalchange(dev); 1057 1058 if (TUNER_ABSENT != dev->tuner_type) 1059 saa_call_all(dev, core, s_power, 0); 1060 1061 /* register v4l devices */ 1062 if (saa7134_no_overlay > 0) 1063 pr_info("%s: Overlay support disabled.\n", dev->name); 1064 1065 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); 1066 dev->video_dev->ctrl_handler = &dev->ctrl_handler; 1067 dev->video_dev->lock = &dev->lock; 1068 dev->video_dev->queue = &dev->video_vbq; 1069 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, 1070 video_nr[dev->nr]); 1071 if (err < 0) { 1072 pr_info("%s: can't register video device\n", 1073 dev->name); 1074 goto fail5; 1075 } 1076 pr_info("%s: registered device %s [v4l2]\n", 1077 dev->name, video_device_node_name(dev->video_dev)); 1078 1079 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi"); 1080 dev->vbi_dev->ctrl_handler = &dev->ctrl_handler; 1081 dev->vbi_dev->lock = &dev->lock; 1082 dev->vbi_dev->queue = &dev->vbi_vbq; 1083 1084 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, 1085 vbi_nr[dev->nr]); 1086 if (err < 0) 1087 goto fail5; 1088 pr_info("%s: registered device %s\n", 1089 dev->name, video_device_node_name(dev->vbi_dev)); 1090 1091 if (card_has_radio(dev)) { 1092 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio"); 1093 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler; 1094 dev->radio_dev->lock = &dev->lock; 1095 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, 1096 radio_nr[dev->nr]); 1097 if (err < 0) 1098 goto fail5; 1099 pr_info("%s: registered device %s\n", 1100 dev->name, video_device_node_name(dev->radio_dev)); 1101 } 1102 1103 /* everything worked */ 1104 saa7134_devcount++; 1105 1106 if (saa7134_dmasound_init && !dev->dmasound.priv_data) 1107 saa7134_dmasound_init(dev); 1108 1109 request_submodules(dev); 1110 return 0; 1111 1112 fail5: 1113 saa7134_unregister_video(dev); 1114 saa7134_i2c_unregister(dev); 1115 free_irq(pci_dev->irq, dev); 1116 fail4: 1117 vb2_dma_sg_cleanup_ctx(dev->alloc_ctx); 1118 fail3: 1119 saa7134_hwfini(dev); 1120 iounmap(dev->lmmio); 1121 fail2: 1122 release_mem_region(pci_resource_start(pci_dev,0), 1123 pci_resource_len(pci_dev,0)); 1124 fail1: 1125 v4l2_device_unregister(&dev->v4l2_dev); 1126 fail0: 1127 kfree(dev); 1128 return err; 1129 } 1130 1131 static void saa7134_finidev(struct pci_dev *pci_dev) 1132 { 1133 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1134 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1135 struct saa7134_mpeg_ops *mops; 1136 1137 flush_request_submodules(dev); 1138 1139 /* Release DMA sound modules if present */ 1140 if (saa7134_dmasound_exit && dev->dmasound.priv_data) { 1141 saa7134_dmasound_exit(dev); 1142 } 1143 1144 /* debugging ... */ 1145 if (irq_debug) { 1146 u32 report = saa_readl(SAA7134_IRQ_REPORT); 1147 u32 status = saa_readl(SAA7134_IRQ_STATUS); 1148 print_irqstatus(dev,42,report,status); 1149 } 1150 1151 /* disable peripheral devices */ 1152 saa_writeb(SAA7134_SPECIAL_MODE,0); 1153 1154 /* shutdown hardware */ 1155 saa_writel(SAA7134_IRQ1,0); 1156 saa_writel(SAA7134_IRQ2,0); 1157 saa_writel(SAA7134_MAIN_CTRL,0); 1158 1159 /* shutdown subsystems */ 1160 saa7134_hwfini(dev); 1161 1162 /* unregister */ 1163 mutex_lock(&saa7134_devlist_lock); 1164 list_del(&dev->devlist); 1165 list_for_each_entry(mops, &mops_list, next) 1166 mpeg_ops_detach(mops, dev); 1167 mutex_unlock(&saa7134_devlist_lock); 1168 saa7134_devcount--; 1169 1170 saa7134_i2c_unregister(dev); 1171 saa7134_unregister_video(dev); 1172 1173 1174 /* the DMA sound modules should be unloaded before reaching 1175 this, but just in case they are still present... */ 1176 if (dev->dmasound.priv_data != NULL) { 1177 free_irq(pci_dev->irq, &dev->dmasound); 1178 dev->dmasound.priv_data = NULL; 1179 } 1180 1181 1182 /* release resources */ 1183 free_irq(pci_dev->irq, dev); 1184 vb2_dma_sg_cleanup_ctx(dev->alloc_ctx); 1185 iounmap(dev->lmmio); 1186 release_mem_region(pci_resource_start(pci_dev,0), 1187 pci_resource_len(pci_dev,0)); 1188 1189 1190 v4l2_device_unregister(&dev->v4l2_dev); 1191 1192 /* free memory */ 1193 kfree(dev); 1194 } 1195 1196 #ifdef CONFIG_PM 1197 1198 /* resends a current buffer in queue after resume */ 1199 static int saa7134_buffer_requeue(struct saa7134_dev *dev, 1200 struct saa7134_dmaqueue *q) 1201 { 1202 struct saa7134_buf *buf, *next; 1203 1204 assert_spin_locked(&dev->slock); 1205 1206 buf = q->curr; 1207 next = buf; 1208 core_dbg("buffer_requeue\n"); 1209 1210 if (!buf) 1211 return 0; 1212 1213 core_dbg("buffer_requeue : resending active buffer\n"); 1214 1215 if (!list_empty(&q->queue)) 1216 next = list_entry(q->queue.next, struct saa7134_buf, 1217 entry); 1218 buf->activate(dev, buf, next); 1219 1220 return 0; 1221 } 1222 1223 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state) 1224 { 1225 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1226 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1227 1228 /* disable overlay - apps should enable it explicitly on resume*/ 1229 dev->ovenable = 0; 1230 1231 /* Disable interrupts, DMA, and rest of the chip*/ 1232 saa_writel(SAA7134_IRQ1, 0); 1233 saa_writel(SAA7134_IRQ2, 0); 1234 saa_writel(SAA7134_MAIN_CTRL, 0); 1235 1236 dev->insuspend = 1; 1237 synchronize_irq(pci_dev->irq); 1238 1239 /* ACK interrupts once more, just in case, 1240 since the IRQ handler won't ack them anymore*/ 1241 1242 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 1243 1244 /* Disable timeout timers - if we have active buffers, we will 1245 fill them on resume*/ 1246 1247 del_timer(&dev->video_q.timeout); 1248 del_timer(&dev->vbi_q.timeout); 1249 del_timer(&dev->ts_q.timeout); 1250 1251 if (dev->remote) 1252 saa7134_ir_stop(dev); 1253 1254 pci_save_state(pci_dev); 1255 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); 1256 1257 return 0; 1258 } 1259 1260 static int saa7134_resume(struct pci_dev *pci_dev) 1261 { 1262 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1263 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1264 unsigned long flags; 1265 1266 pci_set_power_state(pci_dev, PCI_D0); 1267 pci_restore_state(pci_dev); 1268 1269 /* Do things that are done in saa7134_initdev , 1270 except of initializing memory structures.*/ 1271 1272 saa7134_board_init1(dev); 1273 1274 /* saa7134_hwinit1 */ 1275 if (saa7134_boards[dev->board].video_out) 1276 saa7134_videoport_init(dev); 1277 if (card_has_mpeg(dev)) 1278 saa7134_ts_init_hw(dev); 1279 if (dev->remote) 1280 saa7134_ir_start(dev); 1281 saa7134_hw_enable1(dev); 1282 1283 msleep(100); 1284 1285 saa7134_board_init2(dev); 1286 1287 /*saa7134_hwinit2*/ 1288 saa7134_set_tvnorm_hw(dev); 1289 saa7134_tvaudio_setmute(dev); 1290 saa7134_tvaudio_setvolume(dev, dev->ctl_volume); 1291 saa7134_tvaudio_init(dev); 1292 saa7134_enable_i2s(dev); 1293 saa7134_hw_enable2(dev); 1294 1295 saa7134_irq_video_signalchange(dev); 1296 1297 /*resume unfinished buffer(s)*/ 1298 spin_lock_irqsave(&dev->slock, flags); 1299 saa7134_buffer_requeue(dev, &dev->video_q); 1300 saa7134_buffer_requeue(dev, &dev->vbi_q); 1301 saa7134_buffer_requeue(dev, &dev->ts_q); 1302 1303 /* FIXME: Disable DMA audio sound - temporary till proper support 1304 is implemented*/ 1305 1306 dev->dmasound.dma_running = 0; 1307 1308 /* start DMA now*/ 1309 dev->insuspend = 0; 1310 smp_wmb(); 1311 saa7134_set_dmabits(dev); 1312 spin_unlock_irqrestore(&dev->slock, flags); 1313 1314 return 0; 1315 } 1316 #endif 1317 1318 /* ----------------------------------------------------------- */ 1319 1320 int saa7134_ts_register(struct saa7134_mpeg_ops *ops) 1321 { 1322 struct saa7134_dev *dev; 1323 1324 mutex_lock(&saa7134_devlist_lock); 1325 list_for_each_entry(dev, &saa7134_devlist, devlist) 1326 mpeg_ops_attach(ops, dev); 1327 list_add_tail(&ops->next,&mops_list); 1328 mutex_unlock(&saa7134_devlist_lock); 1329 return 0; 1330 } 1331 1332 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) 1333 { 1334 struct saa7134_dev *dev; 1335 1336 mutex_lock(&saa7134_devlist_lock); 1337 list_del(&ops->next); 1338 list_for_each_entry(dev, &saa7134_devlist, devlist) 1339 mpeg_ops_detach(ops, dev); 1340 mutex_unlock(&saa7134_devlist_lock); 1341 } 1342 1343 EXPORT_SYMBOL(saa7134_ts_register); 1344 EXPORT_SYMBOL(saa7134_ts_unregister); 1345 1346 /* ----------------------------------------------------------- */ 1347 1348 static struct pci_driver saa7134_pci_driver = { 1349 .name = "saa7134", 1350 .id_table = saa7134_pci_tbl, 1351 .probe = saa7134_initdev, 1352 .remove = saa7134_finidev, 1353 #ifdef CONFIG_PM 1354 .suspend = saa7134_suspend, 1355 .resume = saa7134_resume 1356 #endif 1357 }; 1358 1359 static int __init saa7134_init(void) 1360 { 1361 INIT_LIST_HEAD(&saa7134_devlist); 1362 pr_info("saa7130/34: v4l2 driver version %s loaded\n", 1363 SAA7134_VERSION); 1364 return pci_register_driver(&saa7134_pci_driver); 1365 } 1366 1367 static void __exit saa7134_fini(void) 1368 { 1369 pci_unregister_driver(&saa7134_pci_driver); 1370 } 1371 1372 module_init(saa7134_init); 1373 module_exit(saa7134_fini); 1374 1375 /* ----------------------------------------------------------- */ 1376 1377 EXPORT_SYMBOL(saa7134_set_gpio); 1378 EXPORT_SYMBOL(saa7134_boards); 1379 1380 /* ----------------- for the DMA sound modules --------------- */ 1381 1382 EXPORT_SYMBOL(saa7134_dmasound_init); 1383 EXPORT_SYMBOL(saa7134_dmasound_exit); 1384 EXPORT_SYMBOL(saa7134_pgtable_free); 1385 EXPORT_SYMBOL(saa7134_pgtable_build); 1386 EXPORT_SYMBOL(saa7134_pgtable_alloc); 1387 EXPORT_SYMBOL(saa7134_set_dmabits); 1388