1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * 4 * device driver for philips saa7134 based TV cards 5 * driver core 6 * 7 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] 8 */ 9 10 #include "saa7134.h" 11 #include "saa7134-reg.h" 12 13 #include <linux/init.h> 14 #include <linux/list.h> 15 #include <linux/module.h> 16 #include <linux/kernel.h> 17 #include <linux/slab.h> 18 #include <linux/kmod.h> 19 #include <linux/sound.h> 20 #include <linux/interrupt.h> 21 #include <linux/delay.h> 22 #include <linux/mutex.h> 23 #include <linux/dma-mapping.h> 24 #include <linux/pm.h> 25 26 MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards"); 27 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); 28 MODULE_LICENSE("GPL"); 29 MODULE_VERSION(SAA7134_VERSION); 30 31 32 /* ------------------------------------------------------------------ */ 33 34 static unsigned int irq_debug; 35 module_param(irq_debug, int, 0644); 36 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); 37 38 static unsigned int core_debug; 39 module_param(core_debug, int, 0644); 40 MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); 41 42 static unsigned int gpio_tracking; 43 module_param(gpio_tracking, int, 0644); 44 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]"); 45 46 static unsigned int alsa = 1; 47 module_param(alsa, int, 0644); 48 MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]"); 49 50 static unsigned int latency = UNSET; 51 module_param(latency, int, 0444); 52 MODULE_PARM_DESC(latency,"pci latency timer"); 53 54 int saa7134_no_overlay=-1; 55 module_param_named(no_overlay, saa7134_no_overlay, int, 0444); 56 MODULE_PARM_DESC(no_overlay, "allow override overlay default (0 disables, 1 enables) [some VIA/SIS chipsets are known to have problem with overlay]"); 57 58 bool saa7134_userptr; 59 module_param(saa7134_userptr, bool, 0644); 60 MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support"); 61 62 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 63 static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 64 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 65 static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 66 static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 67 68 69 module_param_array(video_nr, int, NULL, 0444); 70 module_param_array(vbi_nr, int, NULL, 0444); 71 module_param_array(radio_nr, int, NULL, 0444); 72 module_param_array(tuner, int, NULL, 0444); 73 module_param_array(card, int, NULL, 0444); 74 75 MODULE_PARM_DESC(video_nr, "video device number"); 76 MODULE_PARM_DESC(vbi_nr, "vbi device number"); 77 MODULE_PARM_DESC(radio_nr, "radio device number"); 78 MODULE_PARM_DESC(tuner, "tuner type"); 79 MODULE_PARM_DESC(card, "card type"); 80 81 DEFINE_MUTEX(saa7134_devlist_lock); 82 EXPORT_SYMBOL(saa7134_devlist_lock); 83 LIST_HEAD(saa7134_devlist); 84 EXPORT_SYMBOL(saa7134_devlist); 85 static LIST_HEAD(mops_list); 86 static unsigned int saa7134_devcount; 87 88 int (*saa7134_dmasound_init)(struct saa7134_dev *dev); 89 int (*saa7134_dmasound_exit)(struct saa7134_dev *dev); 90 91 #define core_dbg(fmt, arg...) do { \ 92 if (core_debug) \ 93 printk(KERN_DEBUG pr_fmt("core: " fmt), ## arg); \ 94 } while (0) 95 96 #define irq_dbg(level, fmt, arg...) do {\ 97 if (irq_debug > level) \ 98 printk(KERN_DEBUG pr_fmt("irq: " fmt), ## arg); \ 99 } while (0) 100 101 void saa7134_track_gpio(struct saa7134_dev *dev, const char *msg) 102 { 103 unsigned long mode,status; 104 105 if (!gpio_tracking) 106 return; 107 /* rising SAA7134_GPIO_GPRESCAN reads the status */ 108 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0); 109 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN); 110 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff; 111 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff; 112 core_dbg("%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n", 113 dev->name, mode, (~mode) & status, mode & status, msg); 114 } 115 116 void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value) 117 { 118 u32 index, bitval; 119 120 index = 1 << bit_no; 121 switch (value) { 122 case 0: /* static value */ 123 case 1: 124 core_dbg("setting GPIO%d to static %d\n", bit_no, value); 125 /* turn sync mode off if necessary */ 126 if (index & 0x00c00000) 127 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00); 128 if (value) 129 bitval = index; 130 else 131 bitval = 0; 132 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index); 133 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval); 134 break; 135 case 3: /* tristate */ 136 core_dbg("setting GPIO%d to tristate\n", bit_no); 137 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0); 138 break; 139 } 140 } 141 142 /* ------------------------------------------------------------------ */ 143 144 145 /* ----------------------------------------------------------- */ 146 /* delayed request_module */ 147 148 #if defined(CONFIG_MODULES) && defined(MODULE) 149 150 static void request_module_async(struct work_struct *work){ 151 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk); 152 if (card_is_empress(dev)) 153 request_module("saa7134-empress"); 154 if (card_is_dvb(dev)) 155 request_module("saa7134-dvb"); 156 if (card_is_go7007(dev)) 157 request_module("saa7134-go7007"); 158 if (alsa) { 159 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130) 160 request_module("saa7134-alsa"); 161 } 162 } 163 164 static void request_submodules(struct saa7134_dev *dev) 165 { 166 INIT_WORK(&dev->request_module_wk, request_module_async); 167 schedule_work(&dev->request_module_wk); 168 } 169 170 static void flush_request_submodules(struct saa7134_dev *dev) 171 { 172 flush_work(&dev->request_module_wk); 173 } 174 175 #else 176 #define request_submodules(dev) 177 #define flush_request_submodules(dev) 178 #endif /* CONFIG_MODULES */ 179 180 /* ------------------------------------------------------------------ */ 181 182 /* nr of (saa7134-)pages for the given buffer size */ 183 static int saa7134_buffer_pages(int size) 184 { 185 size = PAGE_ALIGN(size); 186 size += PAGE_SIZE; /* for non-page-aligned buffers */ 187 size /= 4096; 188 return size; 189 } 190 191 /* calc max # of buffers from size (must not exceed the 4MB virtual 192 * address space per DMA channel) */ 193 int saa7134_buffer_count(unsigned int size, unsigned int count) 194 { 195 unsigned int maxcount; 196 197 maxcount = 1024 / saa7134_buffer_pages(size); 198 if (count > maxcount) 199 count = maxcount; 200 return count; 201 } 202 203 int saa7134_buffer_startpage(struct saa7134_buf *buf) 204 { 205 return saa7134_buffer_pages(vb2_plane_size(&buf->vb2.vb2_buf, 0)) 206 * buf->vb2.vb2_buf.index; 207 } 208 209 unsigned long saa7134_buffer_base(struct saa7134_buf *buf) 210 { 211 unsigned long base; 212 struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2.vb2_buf, 0); 213 214 base = saa7134_buffer_startpage(buf) * 4096; 215 base += dma->sgl[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 = sg_next(list)) { 246 for (p = 0; p * 4096 < list->length; p++, ptr++) 247 *ptr = cpu_to_le32(sg_dma_address(list) + 248 list->offset + p * 4096); 249 } 250 return 0; 251 } 252 253 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt) 254 { 255 if (NULL == pt->cpu) 256 return; 257 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma); 258 pt->cpu = NULL; 259 } 260 261 /* ------------------------------------------------------------------ */ 262 263 int saa7134_buffer_queue(struct saa7134_dev *dev, 264 struct saa7134_dmaqueue *q, 265 struct saa7134_buf *buf) 266 { 267 struct saa7134_buf *next = NULL; 268 unsigned long flags; 269 270 spin_lock_irqsave(&dev->slock, flags); 271 core_dbg("buffer_queue %p\n", buf); 272 if (NULL == q->curr) { 273 if (!q->need_two) { 274 q->curr = buf; 275 buf->activate(dev, buf, NULL); 276 } else if (list_empty(&q->queue)) { 277 list_add_tail(&buf->entry, &q->queue); 278 } else { 279 next = list_entry(q->queue.next, struct saa7134_buf, 280 entry); 281 q->curr = buf; 282 buf->activate(dev, buf, next); 283 } 284 } else { 285 list_add_tail(&buf->entry, &q->queue); 286 } 287 spin_unlock_irqrestore(&dev->slock, flags); 288 return 0; 289 } 290 291 void saa7134_buffer_finish(struct saa7134_dev *dev, 292 struct saa7134_dmaqueue *q, 293 unsigned int state) 294 { 295 core_dbg("buffer_finish %p\n", q->curr); 296 297 /* finish current buffer */ 298 q->curr->vb2.vb2_buf.timestamp = ktime_get_ns(); 299 q->curr->vb2.sequence = q->seq_nr++; 300 vb2_buffer_done(&q->curr->vb2.vb2_buf, state); 301 q->curr = NULL; 302 } 303 304 void saa7134_buffer_next(struct saa7134_dev *dev, 305 struct saa7134_dmaqueue *q) 306 { 307 struct saa7134_buf *buf,*next = NULL; 308 309 assert_spin_locked(&dev->slock); 310 BUG_ON(NULL != q->curr); 311 312 if (!list_empty(&q->queue)) { 313 /* activate next one from queue */ 314 buf = list_entry(q->queue.next, struct saa7134_buf, entry); 315 core_dbg("buffer_next %p [prev=%p/next=%p]\n", 316 buf, q->queue.prev, q->queue.next); 317 list_del(&buf->entry); 318 if (!list_empty(&q->queue)) 319 next = list_entry(q->queue.next, struct saa7134_buf, entry); 320 q->curr = buf; 321 buf->activate(dev, buf, next); 322 core_dbg("buffer_next #2 prev=%p/next=%p\n", 323 q->queue.prev, q->queue.next); 324 } else { 325 /* nothing to do -- just stop DMA */ 326 core_dbg("buffer_next %p\n", NULL); 327 saa7134_set_dmabits(dev); 328 del_timer(&q->timeout); 329 } 330 } 331 332 void saa7134_buffer_timeout(struct timer_list *t) 333 { 334 struct saa7134_dmaqueue *q = from_timer(q, t, timeout); 335 struct saa7134_dev *dev = q->dev; 336 unsigned long flags; 337 338 spin_lock_irqsave(&dev->slock, flags); 339 340 /* try to reset the hardware (SWRST) */ 341 saa_writeb(SAA7134_REGION_ENABLE, 0x00); 342 saa_writeb(SAA7134_REGION_ENABLE, 0x80); 343 saa_writeb(SAA7134_REGION_ENABLE, 0x00); 344 345 /* flag current buffer as failed, 346 try to start over with the next one. */ 347 if (q->curr) { 348 core_dbg("timeout on %p\n", q->curr); 349 saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR); 350 } 351 saa7134_buffer_next(dev, q); 352 spin_unlock_irqrestore(&dev->slock, flags); 353 } 354 355 void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q) 356 { 357 unsigned long flags; 358 struct list_head *pos, *n; 359 struct saa7134_buf *tmp; 360 361 spin_lock_irqsave(&dev->slock, flags); 362 if (!list_empty(&q->queue)) { 363 list_for_each_safe(pos, n, &q->queue) { 364 tmp = list_entry(pos, struct saa7134_buf, entry); 365 vb2_buffer_done(&tmp->vb2.vb2_buf, 366 VB2_BUF_STATE_ERROR); 367 list_del(pos); 368 tmp = NULL; 369 } 370 } 371 spin_unlock_irqrestore(&dev->slock, flags); 372 saa7134_buffer_timeout(&q->timeout); /* also calls del_timer(&q->timeout) */ 373 } 374 EXPORT_SYMBOL_GPL(saa7134_stop_streaming); 375 376 /* ------------------------------------------------------------------ */ 377 378 int saa7134_set_dmabits(struct saa7134_dev *dev) 379 { 380 u32 split, task=0, ctrl=0, irq=0; 381 enum v4l2_field cap = V4L2_FIELD_ANY; 382 enum v4l2_field ov = V4L2_FIELD_ANY; 383 384 assert_spin_locked(&dev->slock); 385 386 if (dev->insuspend) 387 return 0; 388 389 /* video capture -- dma 0 + video task A */ 390 if (dev->video_q.curr) { 391 task |= 0x01; 392 ctrl |= SAA7134_MAIN_CTRL_TE0; 393 irq |= SAA7134_IRQ1_INTE_RA0_1 | 394 SAA7134_IRQ1_INTE_RA0_0; 395 cap = dev->field; 396 } 397 398 /* video capture -- dma 1+2 (planar modes) */ 399 if (dev->video_q.curr && dev->fmt->planar) { 400 ctrl |= SAA7134_MAIN_CTRL_TE4 | 401 SAA7134_MAIN_CTRL_TE5; 402 } 403 404 /* screen overlay -- dma 0 + video task B */ 405 if (dev->ovenable) { 406 task |= 0x10; 407 ctrl |= SAA7134_MAIN_CTRL_TE1; 408 ov = dev->ovfield; 409 } 410 411 /* vbi capture -- dma 0 + vbi task A+B */ 412 if (dev->vbi_q.curr) { 413 task |= 0x22; 414 ctrl |= SAA7134_MAIN_CTRL_TE2 | 415 SAA7134_MAIN_CTRL_TE3; 416 irq |= SAA7134_IRQ1_INTE_RA0_7 | 417 SAA7134_IRQ1_INTE_RA0_6 | 418 SAA7134_IRQ1_INTE_RA0_5 | 419 SAA7134_IRQ1_INTE_RA0_4; 420 } 421 422 /* audio capture -- dma 3 */ 423 if (dev->dmasound.dma_running) { 424 ctrl |= SAA7134_MAIN_CTRL_TE6; 425 irq |= SAA7134_IRQ1_INTE_RA3_1 | 426 SAA7134_IRQ1_INTE_RA3_0; 427 } 428 429 /* TS capture -- dma 5 */ 430 if (dev->ts_q.curr) { 431 ctrl |= SAA7134_MAIN_CTRL_TE5; 432 irq |= SAA7134_IRQ1_INTE_RA2_1 | 433 SAA7134_IRQ1_INTE_RA2_0; 434 } 435 436 /* set task conditions + field handling */ 437 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) { 438 /* default config -- use full frames */ 439 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 440 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 441 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02); 442 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02); 443 split = 0; 444 } else { 445 /* split fields between tasks */ 446 if (V4L2_FIELD_TOP == cap) { 447 /* odd A, even B, repeat */ 448 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 449 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e); 450 } else { 451 /* odd B, even A, repeat */ 452 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e); 453 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 454 } 455 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01); 456 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01); 457 split = 1; 458 } 459 460 /* irqs */ 461 saa_writeb(SAA7134_REGION_ENABLE, task); 462 saa_writel(SAA7134_IRQ1, irq); 463 saa_andorl(SAA7134_MAIN_CTRL, 464 SAA7134_MAIN_CTRL_TE0 | 465 SAA7134_MAIN_CTRL_TE1 | 466 SAA7134_MAIN_CTRL_TE2 | 467 SAA7134_MAIN_CTRL_TE3 | 468 SAA7134_MAIN_CTRL_TE4 | 469 SAA7134_MAIN_CTRL_TE5 | 470 SAA7134_MAIN_CTRL_TE6, 471 ctrl); 472 core_dbg("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n", 473 task, ctrl, irq, split ? "no" : "yes"); 474 475 return 0; 476 } 477 478 /* ------------------------------------------------------------------ */ 479 /* IRQ handler + helpers */ 480 481 static char *irqbits[] = { 482 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3", 483 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC", 484 "TRIG_ERR", "CONF_ERR", "LOAD_ERR", 485 "GPIO16", "GPIO18", "GPIO22", "GPIO23" 486 }; 487 #define IRQBITS ARRAY_SIZE(irqbits) 488 489 static void print_irqstatus(struct saa7134_dev *dev, int loop, 490 unsigned long report, unsigned long status) 491 { 492 unsigned int i; 493 494 irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx", 495 loop, jiffies, report, status); 496 for (i = 0; i < IRQBITS; i++) { 497 if (!(report & (1 << i))) 498 continue; 499 pr_cont(" %s", irqbits[i]); 500 } 501 if (report & SAA7134_IRQ_REPORT_DONE_RA0) { 502 pr_cont(" | RA0=%s,%s,%s,%ld", 503 (status & 0x40) ? "vbi" : "video", 504 (status & 0x20) ? "b" : "a", 505 (status & 0x10) ? "odd" : "even", 506 (status & 0x0f)); 507 } 508 pr_cont("\n"); 509 } 510 511 static irqreturn_t saa7134_irq(int irq, void *dev_id) 512 { 513 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id; 514 unsigned long report,status; 515 int loop, handled = 0; 516 517 if (dev->insuspend) 518 goto out; 519 520 for (loop = 0; loop < 10; loop++) { 521 report = saa_readl(SAA7134_IRQ_REPORT); 522 status = saa_readl(SAA7134_IRQ_STATUS); 523 524 /* If dmasound support is active and we get a sound report, 525 * mask out the report and let the saa7134-alsa module deal 526 * with it */ 527 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) && 528 (dev->dmasound.priv_data != NULL) ) 529 { 530 irq_dbg(2, "preserving DMA sound interrupt\n"); 531 report &= ~SAA7134_IRQ_REPORT_DONE_RA3; 532 } 533 534 if (0 == report) { 535 irq_dbg(2, "no (more) work\n"); 536 goto out; 537 } 538 539 handled = 1; 540 saa_writel(SAA7134_IRQ_REPORT,report); 541 if (irq_debug) 542 print_irqstatus(dev,loop,report,status); 543 544 545 if ((report & SAA7134_IRQ_REPORT_RDCAP) || 546 (report & SAA7134_IRQ_REPORT_INTL)) 547 saa7134_irq_video_signalchange(dev); 548 549 550 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 551 (status & 0x60) == 0) 552 saa7134_irq_video_done(dev,status); 553 554 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 555 (status & 0x40) == 0x40) 556 saa7134_irq_vbi_done(dev,status); 557 558 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) && 559 card_has_mpeg(dev)) { 560 if (dev->mops->irq_ts_done != NULL) 561 dev->mops->irq_ts_done(dev, status); 562 else 563 saa7134_irq_ts_done(dev, status); 564 } 565 566 if (report & SAA7134_IRQ_REPORT_GPIO16) { 567 switch (dev->has_remote) { 568 case SAA7134_REMOTE_GPIO: 569 if (!dev->remote) 570 break; 571 if (dev->remote->mask_keydown & 0x10000) { 572 saa7134_input_irq(dev); 573 } 574 break; 575 576 case SAA7134_REMOTE_I2C: 577 break; /* FIXME: invoke I2C get_key() */ 578 579 default: /* GPIO16 not used by IR remote */ 580 break; 581 } 582 } 583 584 if (report & SAA7134_IRQ_REPORT_GPIO18) { 585 switch (dev->has_remote) { 586 case SAA7134_REMOTE_GPIO: 587 if (!dev->remote) 588 break; 589 if ((dev->remote->mask_keydown & 0x40000) || 590 (dev->remote->mask_keyup & 0x40000)) { 591 saa7134_input_irq(dev); 592 } 593 break; 594 595 case SAA7134_REMOTE_I2C: 596 break; /* FIXME: invoke I2C get_key() */ 597 598 default: /* GPIO18 not used by IR remote */ 599 break; 600 } 601 } 602 } 603 604 if (10 == loop) { 605 print_irqstatus(dev,loop,report,status); 606 if (report & SAA7134_IRQ_REPORT_PE) { 607 /* disable all parity error */ 608 pr_warn("%s/irq: looping -- clearing PE (parity error!) enable bit\n", 609 dev->name); 610 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE); 611 } else if (report & SAA7134_IRQ_REPORT_GPIO16) { 612 /* disable gpio16 IRQ */ 613 pr_warn("%s/irq: looping -- clearing GPIO16 enable bit\n", 614 dev->name); 615 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P); 616 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N); 617 } else if (report & SAA7134_IRQ_REPORT_GPIO18) { 618 /* disable gpio18 IRQs */ 619 pr_warn("%s/irq: looping -- clearing GPIO18 enable bit\n", 620 dev->name); 621 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P); 622 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N); 623 } else { 624 /* disable all irqs */ 625 pr_warn("%s/irq: looping -- clearing all enable bits\n", 626 dev->name); 627 saa_writel(SAA7134_IRQ1,0); 628 saa_writel(SAA7134_IRQ2,0); 629 } 630 } 631 632 out: 633 return IRQ_RETVAL(handled); 634 } 635 636 /* ------------------------------------------------------------------ */ 637 638 /* early init (no i2c, no irq) */ 639 640 static int saa7134_hw_enable1(struct saa7134_dev *dev) 641 { 642 /* RAM FIFO config */ 643 saa_writel(SAA7134_FIFO_SIZE, 0x08070503); 644 saa_writel(SAA7134_THRESHOULD, 0x02020202); 645 646 /* enable audio + video processing */ 647 saa_writel(SAA7134_MAIN_CTRL, 648 SAA7134_MAIN_CTRL_VPLLE | 649 SAA7134_MAIN_CTRL_APLLE | 650 SAA7134_MAIN_CTRL_EXOSC | 651 SAA7134_MAIN_CTRL_EVFE1 | 652 SAA7134_MAIN_CTRL_EVFE2 | 653 SAA7134_MAIN_CTRL_ESFE | 654 SAA7134_MAIN_CTRL_EBDAC); 655 656 /* 657 * Initialize OSS _after_ enabling audio clock PLL and audio processing. 658 * OSS initialization writes to registers via the audio DSP; these 659 * writes will fail unless the audio clock has been started. At worst, 660 * audio will not work. 661 */ 662 663 /* enable peripheral devices */ 664 saa_writeb(SAA7134_SPECIAL_MODE, 0x01); 665 666 /* set vertical line numbering start (vbi needs this) */ 667 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20); 668 669 return 0; 670 } 671 672 static int saa7134_hwinit1(struct saa7134_dev *dev) 673 { 674 core_dbg("hwinit1\n"); 675 676 saa_writel(SAA7134_IRQ1, 0); 677 saa_writel(SAA7134_IRQ2, 0); 678 679 /* Clear any stale IRQ reports */ 680 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 681 682 mutex_init(&dev->lock); 683 spin_lock_init(&dev->slock); 684 685 saa7134_track_gpio(dev,"pre-init"); 686 saa7134_video_init1(dev); 687 saa7134_vbi_init1(dev); 688 if (card_has_mpeg(dev)) 689 saa7134_ts_init1(dev); 690 saa7134_input_init1(dev); 691 692 saa7134_hw_enable1(dev); 693 694 return 0; 695 } 696 697 /* late init (with i2c + irq) */ 698 static int saa7134_hw_enable2(struct saa7134_dev *dev) 699 { 700 701 unsigned int irq2_mask; 702 703 /* enable IRQ's */ 704 irq2_mask = 705 SAA7134_IRQ2_INTE_DEC3 | 706 SAA7134_IRQ2_INTE_DEC2 | 707 SAA7134_IRQ2_INTE_DEC1 | 708 SAA7134_IRQ2_INTE_DEC0 | 709 SAA7134_IRQ2_INTE_PE | 710 SAA7134_IRQ2_INTE_AR; 711 712 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) { 713 if (dev->remote->mask_keydown & 0x10000) 714 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N; 715 else { /* Allow enabling both IRQ edge triggers */ 716 if (dev->remote->mask_keydown & 0x40000) 717 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P; 718 if (dev->remote->mask_keyup & 0x40000) 719 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N; 720 } 721 } 722 723 if (dev->has_remote == SAA7134_REMOTE_I2C) { 724 request_module("ir-kbd-i2c"); 725 } 726 727 saa_writel(SAA7134_IRQ1, 0); 728 saa_writel(SAA7134_IRQ2, irq2_mask); 729 730 return 0; 731 } 732 733 static int saa7134_hwinit2(struct saa7134_dev *dev) 734 { 735 736 core_dbg("hwinit2\n"); 737 738 saa7134_video_init2(dev); 739 saa7134_tvaudio_init2(dev); 740 741 saa7134_hw_enable2(dev); 742 743 return 0; 744 } 745 746 747 /* shutdown */ 748 static int saa7134_hwfini(struct saa7134_dev *dev) 749 { 750 core_dbg("hwfini\n"); 751 752 if (card_has_mpeg(dev)) 753 saa7134_ts_fini(dev); 754 saa7134_input_fini(dev); 755 saa7134_vbi_fini(dev); 756 saa7134_tvaudio_fini(dev); 757 saa7134_video_fini(dev); 758 return 0; 759 } 760 761 static void must_configure_manually(int has_eeprom) 762 { 763 unsigned int i,p; 764 765 if (!has_eeprom) 766 pr_warn("saa7134: <rant>\n" 767 "saa7134: Congratulations! Your TV card vendor saved a few\n" 768 "saa7134: cents for a eeprom, thus your pci board has no\n" 769 "saa7134: subsystem ID and I can't identify it automatically\n" 770 "saa7134: </rant>\n" 771 "saa7134: I feel better now. Ok, here are the good news:\n" 772 "saa7134: You can use the card=<nr> insmod option to specify\n" 773 "saa7134: which board do you have. The list:\n"); 774 else 775 pr_warn("saa7134: Board is currently unknown. You might try to use the card=<nr>\n" 776 "saa7134: insmod option to specify which board do you have, but this is\n" 777 "saa7134: somewhat risky, as might damage your card. It is better to ask\n" 778 "saa7134: for support at linux-media@vger.kernel.org.\n" 779 "saa7134: The supported cards are:\n"); 780 781 for (i = 0; i < saa7134_bcount; i++) { 782 pr_warn("saa7134: card=%d -> %-40.40s", 783 i,saa7134_boards[i].name); 784 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) { 785 if (saa7134_pci_tbl[p].driver_data != i) 786 continue; 787 pr_cont(" %04x:%04x", 788 saa7134_pci_tbl[p].subvendor, 789 saa7134_pci_tbl[p].subdevice); 790 } 791 pr_cont("\n"); 792 } 793 } 794 795 static void saa7134_unregister_media_device(struct saa7134_dev *dev) 796 { 797 798 #ifdef CONFIG_MEDIA_CONTROLLER 799 if (!dev->media_dev) 800 return; 801 media_device_unregister(dev->media_dev); 802 media_device_cleanup(dev->media_dev); 803 kfree(dev->media_dev); 804 dev->media_dev = NULL; 805 #endif 806 } 807 808 static void saa7134_media_release(struct saa7134_dev *dev) 809 { 810 #ifdef CONFIG_MEDIA_CONTROLLER 811 int i; 812 813 for (i = 0; i < SAA7134_INPUT_MAX + 1; i++) 814 media_device_unregister_entity(&dev->input_ent[i]); 815 #endif 816 } 817 818 #if defined(CONFIG_MEDIA_CONTROLLER) 819 static void saa7134_create_entities(struct saa7134_dev *dev) 820 { 821 int ret, i; 822 struct media_entity *entity; 823 struct media_entity *decoder = NULL; 824 825 /* Check if it is using an external analog TV demod */ 826 media_device_for_each_entity(entity, dev->media_dev) { 827 if (entity->function == MEDIA_ENT_F_ATV_DECODER) { 828 decoder = entity; 829 break; 830 } 831 } 832 833 /* 834 * saa713x is not using an external ATV demod. 835 * Register the internal one 836 */ 837 if (!decoder) { 838 dev->demod.name = "saa713x"; 839 dev->demod_pad[SAA7134_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 840 dev->demod_pad[SAA7134_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG; 841 dev->demod_pad[SAA7134_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 842 dev->demod_pad[SAA7134_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV; 843 dev->demod.function = MEDIA_ENT_F_ATV_DECODER; 844 845 ret = media_entity_pads_init(&dev->demod, SAA7134_NUM_PADS, 846 dev->demod_pad); 847 if (ret < 0) 848 pr_err("failed to initialize demod pad!\n"); 849 850 ret = media_device_register_entity(dev->media_dev, &dev->demod); 851 if (ret < 0) 852 pr_err("failed to register demod entity!\n"); 853 854 dev->decoder = &dev->demod; 855 } else { 856 dev->decoder = decoder; 857 } 858 859 /* Initialize Video, VBI and Radio pads */ 860 dev->video_pad.flags = MEDIA_PAD_FL_SINK; 861 ret = media_entity_pads_init(&dev->video_dev->entity, 1, 862 &dev->video_pad); 863 if (ret < 0) 864 pr_err("failed to initialize video media entity!\n"); 865 866 dev->vbi_pad.flags = MEDIA_PAD_FL_SINK; 867 ret = media_entity_pads_init(&dev->vbi_dev->entity, 1, 868 &dev->vbi_pad); 869 if (ret < 0) 870 pr_err("failed to initialize vbi media entity!\n"); 871 872 /* Create entities for each input connector */ 873 for (i = 0; i < SAA7134_INPUT_MAX; i++) { 874 struct media_entity *ent = &dev->input_ent[i]; 875 struct saa7134_input *in = &card_in(dev, i); 876 877 if (in->type == SAA7134_NO_INPUT) 878 break; 879 880 /* This input uses the S-Video connector */ 881 if (in->type == SAA7134_INPUT_COMPOSITE_OVER_SVIDEO) 882 continue; 883 884 ent->name = saa7134_input_name[in->type]; 885 ent->flags = MEDIA_ENT_FL_CONNECTOR; 886 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 887 888 switch (in->type) { 889 case SAA7134_INPUT_COMPOSITE: 890 case SAA7134_INPUT_COMPOSITE0: 891 case SAA7134_INPUT_COMPOSITE1: 892 case SAA7134_INPUT_COMPOSITE2: 893 case SAA7134_INPUT_COMPOSITE3: 894 case SAA7134_INPUT_COMPOSITE4: 895 ent->function = MEDIA_ENT_F_CONN_COMPOSITE; 896 break; 897 case SAA7134_INPUT_SVIDEO: 898 case SAA7134_INPUT_SVIDEO0: 899 case SAA7134_INPUT_SVIDEO1: 900 ent->function = MEDIA_ENT_F_CONN_SVIDEO; 901 break; 902 default: 903 /* 904 * SAA7134_INPUT_TV and SAA7134_INPUT_TV_MONO. 905 * 906 * Please notice that neither SAA7134_INPUT_MUTE or 907 * SAA7134_INPUT_RADIO are defined at 908 * saa7134_board.input. 909 */ 910 ent->function = MEDIA_ENT_F_CONN_RF; 911 break; 912 } 913 914 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); 915 if (ret < 0) 916 pr_err("failed to initialize input pad[%d]!\n", i); 917 918 ret = media_device_register_entity(dev->media_dev, ent); 919 if (ret < 0) 920 pr_err("failed to register input entity %d!\n", i); 921 } 922 923 /* Create input for Radio RF connector */ 924 if (card_has_radio(dev)) { 925 struct saa7134_input *in = &saa7134_boards[dev->board].radio; 926 struct media_entity *ent = &dev->input_ent[i]; 927 928 ent->name = saa7134_input_name[in->type]; 929 ent->flags = MEDIA_ENT_FL_CONNECTOR; 930 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 931 ent->function = MEDIA_ENT_F_CONN_RF; 932 933 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); 934 if (ret < 0) 935 pr_err("failed to initialize input pad[%d]!\n", i); 936 937 ret = media_device_register_entity(dev->media_dev, ent); 938 if (ret < 0) 939 pr_err("failed to register input entity %d!\n", i); 940 } 941 } 942 #endif 943 944 static struct video_device *vdev_init(struct saa7134_dev *dev, 945 struct video_device *template, 946 char *type) 947 { 948 struct video_device *vfd; 949 950 vfd = video_device_alloc(); 951 if (NULL == vfd) 952 return NULL; 953 *vfd = *template; 954 vfd->v4l2_dev = &dev->v4l2_dev; 955 vfd->release = video_device_release; 956 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", 957 dev->name, type, saa7134_boards[dev->board].name); 958 video_set_drvdata(vfd, dev); 959 return vfd; 960 } 961 962 static void saa7134_unregister_video(struct saa7134_dev *dev) 963 { 964 saa7134_media_release(dev); 965 966 if (dev->video_dev) { 967 if (video_is_registered(dev->video_dev)) 968 video_unregister_device(dev->video_dev); 969 else 970 video_device_release(dev->video_dev); 971 dev->video_dev = NULL; 972 } 973 if (dev->vbi_dev) { 974 if (video_is_registered(dev->vbi_dev)) 975 video_unregister_device(dev->vbi_dev); 976 else 977 video_device_release(dev->vbi_dev); 978 dev->vbi_dev = NULL; 979 } 980 if (dev->radio_dev) { 981 if (video_is_registered(dev->radio_dev)) 982 video_unregister_device(dev->radio_dev); 983 else 984 video_device_release(dev->radio_dev); 985 dev->radio_dev = NULL; 986 } 987 } 988 989 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops, 990 struct saa7134_dev *dev) 991 { 992 int err; 993 994 if (NULL != dev->mops) 995 return; 996 if (saa7134_boards[dev->board].mpeg != ops->type) 997 return; 998 err = ops->init(dev); 999 if (0 != err) 1000 return; 1001 dev->mops = ops; 1002 } 1003 1004 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops, 1005 struct saa7134_dev *dev) 1006 { 1007 if (NULL == dev->mops) 1008 return; 1009 if (dev->mops != ops) 1010 return; 1011 dev->mops->fini(dev); 1012 dev->mops = NULL; 1013 } 1014 1015 static int saa7134_initdev(struct pci_dev *pci_dev, 1016 const struct pci_device_id *pci_id) 1017 { 1018 struct saa7134_dev *dev; 1019 struct saa7134_mpeg_ops *mops; 1020 int err; 1021 1022 if (saa7134_devcount == SAA7134_MAXBOARDS) 1023 return -ENOMEM; 1024 1025 dev = kzalloc(sizeof(*dev),GFP_KERNEL); 1026 if (NULL == dev) 1027 return -ENOMEM; 1028 1029 dev->nr = saa7134_devcount; 1030 sprintf(dev->name, "saa%x[%d]", pci_dev->device, dev->nr); 1031 1032 #ifdef CONFIG_MEDIA_CONTROLLER 1033 dev->media_dev = kzalloc(sizeof(*dev->media_dev), GFP_KERNEL); 1034 if (!dev->media_dev) { 1035 err = -ENOMEM; 1036 goto fail0; 1037 } 1038 media_device_pci_init(dev->media_dev, pci_dev, dev->name); 1039 dev->v4l2_dev.mdev = dev->media_dev; 1040 #endif 1041 1042 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); 1043 if (err) 1044 goto fail0; 1045 1046 /* pci init */ 1047 dev->pci = pci_dev; 1048 if (pci_enable_device(pci_dev)) { 1049 err = -EIO; 1050 goto fail1; 1051 } 1052 1053 /* pci quirks */ 1054 if (pci_pci_problems) { 1055 if (pci_pci_problems & PCIPCI_TRITON) 1056 pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name); 1057 if (pci_pci_problems & PCIPCI_NATOMA) 1058 pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name); 1059 if (pci_pci_problems & PCIPCI_VIAETBF) 1060 pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name); 1061 if (pci_pci_problems & PCIPCI_VSFX) 1062 pr_info("%s: quirk: PCIPCI_VSFX\n", dev->name); 1063 #ifdef PCIPCI_ALIMAGIK 1064 if (pci_pci_problems & PCIPCI_ALIMAGIK) { 1065 pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", 1066 dev->name); 1067 latency = 0x0A; 1068 } 1069 #endif 1070 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) { 1071 pr_info("%s: quirk: this driver and your chipset may not work together in overlay mode.\n", 1072 dev->name); 1073 if (!saa7134_no_overlay) { 1074 pr_info("%s: quirk: overlay mode will be disabled.\n", 1075 dev->name); 1076 saa7134_no_overlay = 1; 1077 } else { 1078 pr_info("%s: quirk: overlay mode will be forced. Use this option at your own risk.\n", 1079 dev->name); 1080 } 1081 } 1082 } 1083 if (UNSET != latency) { 1084 pr_info("%s: setting pci latency timer to %d\n", 1085 dev->name,latency); 1086 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); 1087 } 1088 1089 /* print pci info */ 1090 dev->pci_rev = pci_dev->revision; 1091 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); 1092 pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n", 1093 dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq, 1094 dev->pci_lat, 1095 (unsigned long long)pci_resource_start(pci_dev, 0)); 1096 pci_set_master(pci_dev); 1097 err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32)); 1098 if (err) { 1099 pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name); 1100 goto fail1; 1101 } 1102 1103 /* board config */ 1104 dev->board = pci_id->driver_data; 1105 if ((unsigned)card[dev->nr] < saa7134_bcount) 1106 dev->board = card[dev->nr]; 1107 if (SAA7134_BOARD_UNKNOWN == dev->board) 1108 must_configure_manually(0); 1109 else if (SAA7134_BOARD_NOAUTO == dev->board) { 1110 must_configure_manually(1); 1111 dev->board = SAA7134_BOARD_UNKNOWN; 1112 } 1113 dev->autodetected = card[dev->nr] != dev->board; 1114 dev->tuner_type = saa7134_boards[dev->board].tuner_type; 1115 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr; 1116 dev->radio_type = saa7134_boards[dev->board].radio_type; 1117 dev->radio_addr = saa7134_boards[dev->board].radio_addr; 1118 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf; 1119 if (UNSET != tuner[dev->nr]) 1120 dev->tuner_type = tuner[dev->nr]; 1121 pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", 1122 dev->name,pci_dev->subsystem_vendor, 1123 pci_dev->subsystem_device,saa7134_boards[dev->board].name, 1124 dev->board, dev->autodetected ? 1125 "autodetected" : "insmod option"); 1126 1127 /* get mmio */ 1128 if (!request_mem_region(pci_resource_start(pci_dev,0), 1129 pci_resource_len(pci_dev,0), 1130 dev->name)) { 1131 err = -EBUSY; 1132 pr_err("%s: can't get MMIO memory @ 0x%llx\n", 1133 dev->name,(unsigned long long)pci_resource_start(pci_dev,0)); 1134 goto fail1; 1135 } 1136 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0), 1137 pci_resource_len(pci_dev, 0)); 1138 dev->bmmio = (__u8 __iomem *)dev->lmmio; 1139 if (NULL == dev->lmmio) { 1140 err = -EIO; 1141 pr_err("%s: can't ioremap() MMIO memory\n", 1142 dev->name); 1143 goto fail2; 1144 } 1145 1146 /* initialize hardware #1 */ 1147 saa7134_board_init1(dev); 1148 saa7134_hwinit1(dev); 1149 1150 /* get irq */ 1151 err = request_irq(pci_dev->irq, saa7134_irq, 1152 IRQF_SHARED, dev->name, dev); 1153 if (err < 0) { 1154 pr_err("%s: can't get IRQ %d\n", 1155 dev->name,pci_dev->irq); 1156 goto fail3; 1157 } 1158 1159 /* wait a bit, register i2c bus */ 1160 msleep(100); 1161 saa7134_i2c_register(dev); 1162 saa7134_board_init2(dev); 1163 1164 saa7134_hwinit2(dev); 1165 1166 /* load i2c helpers */ 1167 if (card_is_empress(dev)) { 1168 dev->empress_sd = 1169 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, 1170 "saa6752hs", 1171 saa7134_boards[dev->board].empress_addr, NULL); 1172 1173 if (dev->empress_sd) 1174 dev->empress_sd->grp_id = GRP_EMPRESS; 1175 } 1176 1177 if (saa7134_boards[dev->board].rds_addr) { 1178 struct v4l2_subdev *sd; 1179 1180 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1181 &dev->i2c_adap, "saa6588", 1182 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr)); 1183 if (sd) { 1184 pr_info("%s: found RDS decoder\n", dev->name); 1185 dev->has_rds = 1; 1186 } 1187 } 1188 1189 mutex_lock(&saa7134_devlist_lock); 1190 list_for_each_entry(mops, &mops_list, next) 1191 mpeg_ops_attach(mops, dev); 1192 list_add_tail(&dev->devlist, &saa7134_devlist); 1193 mutex_unlock(&saa7134_devlist_lock); 1194 1195 /* check for signal */ 1196 saa7134_irq_video_signalchange(dev); 1197 1198 if (TUNER_ABSENT != dev->tuner_type) 1199 saa_call_all(dev, core, s_power, 0); 1200 1201 /* register v4l devices */ 1202 if (saa7134_no_overlay > 0) 1203 pr_info("%s: Overlay support disabled.\n", dev->name); 1204 1205 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); 1206 dev->video_dev->ctrl_handler = &dev->ctrl_handler; 1207 dev->video_dev->lock = &dev->lock; 1208 dev->video_dev->queue = &dev->video_vbq; 1209 dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1210 V4L2_CAP_VIDEO_CAPTURE; 1211 if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET) 1212 dev->video_dev->device_caps |= V4L2_CAP_TUNER; 1213 1214 if (saa7134_no_overlay <= 0) 1215 dev->video_dev->device_caps |= V4L2_CAP_VIDEO_OVERLAY; 1216 1217 err = video_register_device(dev->video_dev,VFL_TYPE_VIDEO, 1218 video_nr[dev->nr]); 1219 if (err < 0) { 1220 pr_info("%s: can't register video device\n", 1221 dev->name); 1222 goto fail4; 1223 } 1224 pr_info("%s: registered device %s [v4l2]\n", 1225 dev->name, video_device_node_name(dev->video_dev)); 1226 1227 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi"); 1228 dev->vbi_dev->ctrl_handler = &dev->ctrl_handler; 1229 dev->vbi_dev->lock = &dev->lock; 1230 dev->vbi_dev->queue = &dev->vbi_vbq; 1231 dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1232 V4L2_CAP_VBI_CAPTURE; 1233 if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET) 1234 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER; 1235 1236 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, 1237 vbi_nr[dev->nr]); 1238 if (err < 0) 1239 goto fail4; 1240 pr_info("%s: registered device %s\n", 1241 dev->name, video_device_node_name(dev->vbi_dev)); 1242 1243 if (card_has_radio(dev)) { 1244 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio"); 1245 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler; 1246 dev->radio_dev->lock = &dev->lock; 1247 dev->radio_dev->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER; 1248 if (dev->has_rds) 1249 dev->radio_dev->device_caps |= V4L2_CAP_RDS_CAPTURE; 1250 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, 1251 radio_nr[dev->nr]); 1252 if (err < 0) 1253 goto fail4; 1254 pr_info("%s: registered device %s\n", 1255 dev->name, video_device_node_name(dev->radio_dev)); 1256 } 1257 1258 #ifdef CONFIG_MEDIA_CONTROLLER 1259 saa7134_create_entities(dev); 1260 1261 err = v4l2_mc_create_media_graph(dev->media_dev); 1262 if (err) { 1263 pr_err("failed to create media graph\n"); 1264 goto fail4; 1265 } 1266 #endif 1267 /* everything worked */ 1268 saa7134_devcount++; 1269 1270 if (saa7134_dmasound_init && !dev->dmasound.priv_data) 1271 saa7134_dmasound_init(dev); 1272 1273 request_submodules(dev); 1274 1275 /* 1276 * Do it at the end, to reduce dynamic configuration changes during 1277 * the device init. Yet, as request_modules() can be async, the 1278 * topology will likely change after load the saa7134 subdrivers. 1279 */ 1280 #ifdef CONFIG_MEDIA_CONTROLLER 1281 err = media_device_register(dev->media_dev); 1282 if (err) 1283 goto fail4; 1284 #endif 1285 1286 return 0; 1287 1288 fail4: 1289 saa7134_unregister_video(dev); 1290 saa7134_i2c_unregister(dev); 1291 free_irq(pci_dev->irq, dev); 1292 fail3: 1293 saa7134_hwfini(dev); 1294 iounmap(dev->lmmio); 1295 fail2: 1296 release_mem_region(pci_resource_start(pci_dev,0), 1297 pci_resource_len(pci_dev,0)); 1298 fail1: 1299 v4l2_device_unregister(&dev->v4l2_dev); 1300 fail0: 1301 #ifdef CONFIG_MEDIA_CONTROLLER 1302 kfree(dev->media_dev); 1303 #endif 1304 kfree(dev); 1305 return err; 1306 } 1307 1308 static void saa7134_finidev(struct pci_dev *pci_dev) 1309 { 1310 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1311 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1312 struct saa7134_mpeg_ops *mops; 1313 1314 flush_request_submodules(dev); 1315 1316 /* Release DMA sound modules if present */ 1317 if (saa7134_dmasound_exit && dev->dmasound.priv_data) { 1318 saa7134_dmasound_exit(dev); 1319 } 1320 1321 /* debugging ... */ 1322 if (irq_debug) { 1323 u32 report = saa_readl(SAA7134_IRQ_REPORT); 1324 u32 status = saa_readl(SAA7134_IRQ_STATUS); 1325 print_irqstatus(dev,42,report,status); 1326 } 1327 1328 /* disable peripheral devices */ 1329 saa_writeb(SAA7134_SPECIAL_MODE,0); 1330 1331 /* shutdown hardware */ 1332 saa_writel(SAA7134_IRQ1,0); 1333 saa_writel(SAA7134_IRQ2,0); 1334 saa_writel(SAA7134_MAIN_CTRL,0); 1335 1336 /* shutdown subsystems */ 1337 saa7134_hwfini(dev); 1338 1339 /* unregister */ 1340 mutex_lock(&saa7134_devlist_lock); 1341 list_del(&dev->devlist); 1342 list_for_each_entry(mops, &mops_list, next) 1343 mpeg_ops_detach(mops, dev); 1344 mutex_unlock(&saa7134_devlist_lock); 1345 saa7134_devcount--; 1346 1347 saa7134_i2c_unregister(dev); 1348 saa7134_unregister_video(dev); 1349 1350 1351 /* the DMA sound modules should be unloaded before reaching 1352 this, but just in case they are still present... */ 1353 if (dev->dmasound.priv_data != NULL) { 1354 free_irq(pci_dev->irq, &dev->dmasound); 1355 dev->dmasound.priv_data = NULL; 1356 } 1357 1358 1359 /* release resources */ 1360 free_irq(pci_dev->irq, dev); 1361 iounmap(dev->lmmio); 1362 release_mem_region(pci_resource_start(pci_dev,0), 1363 pci_resource_len(pci_dev,0)); 1364 1365 v4l2_device_unregister(&dev->v4l2_dev); 1366 1367 saa7134_unregister_media_device(dev); 1368 1369 /* free memory */ 1370 kfree(dev); 1371 } 1372 1373 #ifdef CONFIG_PM 1374 1375 /* resends a current buffer in queue after resume */ 1376 static int saa7134_buffer_requeue(struct saa7134_dev *dev, 1377 struct saa7134_dmaqueue *q) 1378 { 1379 struct saa7134_buf *buf, *next; 1380 1381 assert_spin_locked(&dev->slock); 1382 1383 buf = q->curr; 1384 next = buf; 1385 core_dbg("buffer_requeue\n"); 1386 1387 if (!buf) 1388 return 0; 1389 1390 core_dbg("buffer_requeue : resending active buffer\n"); 1391 1392 if (!list_empty(&q->queue)) 1393 next = list_entry(q->queue.next, struct saa7134_buf, 1394 entry); 1395 buf->activate(dev, buf, next); 1396 1397 return 0; 1398 } 1399 1400 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state) 1401 { 1402 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1403 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1404 1405 /* disable overlay - apps should enable it explicitly on resume*/ 1406 dev->ovenable = 0; 1407 1408 /* Disable interrupts, DMA, and rest of the chip*/ 1409 saa_writel(SAA7134_IRQ1, 0); 1410 saa_writel(SAA7134_IRQ2, 0); 1411 saa_writel(SAA7134_MAIN_CTRL, 0); 1412 1413 dev->insuspend = 1; 1414 synchronize_irq(pci_dev->irq); 1415 1416 /* ACK interrupts once more, just in case, 1417 since the IRQ handler won't ack them anymore*/ 1418 1419 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 1420 1421 /* Disable timeout timers - if we have active buffers, we will 1422 fill them on resume*/ 1423 1424 del_timer(&dev->video_q.timeout); 1425 del_timer(&dev->vbi_q.timeout); 1426 del_timer(&dev->ts_q.timeout); 1427 1428 if (dev->remote && dev->remote->dev->users) 1429 saa7134_ir_close(dev->remote->dev); 1430 1431 pci_save_state(pci_dev); 1432 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); 1433 1434 return 0; 1435 } 1436 1437 static int saa7134_resume(struct pci_dev *pci_dev) 1438 { 1439 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1440 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1441 unsigned long flags; 1442 1443 pci_set_power_state(pci_dev, PCI_D0); 1444 pci_restore_state(pci_dev); 1445 1446 /* Do things that are done in saa7134_initdev , 1447 except of initializing memory structures.*/ 1448 1449 saa7134_board_init1(dev); 1450 1451 /* saa7134_hwinit1 */ 1452 if (saa7134_boards[dev->board].video_out) 1453 saa7134_videoport_init(dev); 1454 if (card_has_mpeg(dev)) 1455 saa7134_ts_init_hw(dev); 1456 if (dev->remote && dev->remote->dev->users) 1457 saa7134_ir_open(dev->remote->dev); 1458 saa7134_hw_enable1(dev); 1459 1460 msleep(100); 1461 1462 saa7134_board_init2(dev); 1463 1464 /*saa7134_hwinit2*/ 1465 saa7134_set_tvnorm_hw(dev); 1466 saa7134_tvaudio_setmute(dev); 1467 saa7134_tvaudio_setvolume(dev, dev->ctl_volume); 1468 saa7134_tvaudio_init(dev); 1469 saa7134_enable_i2s(dev); 1470 saa7134_hw_enable2(dev); 1471 1472 saa7134_irq_video_signalchange(dev); 1473 1474 /*resume unfinished buffer(s)*/ 1475 spin_lock_irqsave(&dev->slock, flags); 1476 saa7134_buffer_requeue(dev, &dev->video_q); 1477 saa7134_buffer_requeue(dev, &dev->vbi_q); 1478 saa7134_buffer_requeue(dev, &dev->ts_q); 1479 1480 /* FIXME: Disable DMA audio sound - temporary till proper support 1481 is implemented*/ 1482 1483 dev->dmasound.dma_running = 0; 1484 1485 /* start DMA now*/ 1486 dev->insuspend = 0; 1487 smp_wmb(); 1488 saa7134_set_dmabits(dev); 1489 spin_unlock_irqrestore(&dev->slock, flags); 1490 1491 return 0; 1492 } 1493 #endif 1494 1495 /* ----------------------------------------------------------- */ 1496 1497 int saa7134_ts_register(struct saa7134_mpeg_ops *ops) 1498 { 1499 struct saa7134_dev *dev; 1500 1501 mutex_lock(&saa7134_devlist_lock); 1502 list_for_each_entry(dev, &saa7134_devlist, devlist) 1503 mpeg_ops_attach(ops, dev); 1504 list_add_tail(&ops->next,&mops_list); 1505 mutex_unlock(&saa7134_devlist_lock); 1506 return 0; 1507 } 1508 1509 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) 1510 { 1511 struct saa7134_dev *dev; 1512 1513 mutex_lock(&saa7134_devlist_lock); 1514 list_del(&ops->next); 1515 list_for_each_entry(dev, &saa7134_devlist, devlist) 1516 mpeg_ops_detach(ops, dev); 1517 mutex_unlock(&saa7134_devlist_lock); 1518 } 1519 1520 EXPORT_SYMBOL(saa7134_ts_register); 1521 EXPORT_SYMBOL(saa7134_ts_unregister); 1522 1523 /* ----------------------------------------------------------- */ 1524 1525 static struct pci_driver saa7134_pci_driver = { 1526 .name = "saa7134", 1527 .id_table = saa7134_pci_tbl, 1528 .probe = saa7134_initdev, 1529 .remove = saa7134_finidev, 1530 #ifdef CONFIG_PM 1531 .suspend = saa7134_suspend, 1532 .resume = saa7134_resume 1533 #endif 1534 }; 1535 1536 static int __init saa7134_init(void) 1537 { 1538 INIT_LIST_HEAD(&saa7134_devlist); 1539 pr_info("saa7130/34: v4l2 driver version %s loaded\n", 1540 SAA7134_VERSION); 1541 return pci_register_driver(&saa7134_pci_driver); 1542 } 1543 1544 static void __exit saa7134_fini(void) 1545 { 1546 pci_unregister_driver(&saa7134_pci_driver); 1547 } 1548 1549 module_init(saa7134_init); 1550 module_exit(saa7134_fini); 1551 1552 /* ----------------------------------------------------------- */ 1553 1554 EXPORT_SYMBOL(saa7134_set_gpio); 1555 EXPORT_SYMBOL(saa7134_boards); 1556 1557 /* ----------------- for the DMA sound modules --------------- */ 1558 1559 EXPORT_SYMBOL(saa7134_dmasound_init); 1560 EXPORT_SYMBOL(saa7134_dmasound_exit); 1561 EXPORT_SYMBOL(saa7134_pgtable_free); 1562 EXPORT_SYMBOL(saa7134_pgtable_build); 1563 EXPORT_SYMBOL(saa7134_pgtable_alloc); 1564 EXPORT_SYMBOL(saa7134_set_dmabits); 1565