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 < sg_dma_len(list); 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 list_for_each_safe(pos, n, &q->queue) { 363 tmp = list_entry(pos, struct saa7134_buf, entry); 364 vb2_buffer_done(&tmp->vb2.vb2_buf, 365 VB2_BUF_STATE_ERROR); 366 list_del(pos); 367 tmp = NULL; 368 } 369 spin_unlock_irqrestore(&dev->slock, flags); 370 saa7134_buffer_timeout(&q->timeout); /* also calls del_timer(&q->timeout) */ 371 } 372 EXPORT_SYMBOL_GPL(saa7134_stop_streaming); 373 374 /* ------------------------------------------------------------------ */ 375 376 int saa7134_set_dmabits(struct saa7134_dev *dev) 377 { 378 u32 split, task=0, ctrl=0, irq=0; 379 enum v4l2_field cap = V4L2_FIELD_ANY; 380 enum v4l2_field ov = V4L2_FIELD_ANY; 381 382 assert_spin_locked(&dev->slock); 383 384 if (dev->insuspend) 385 return 0; 386 387 /* video capture -- dma 0 + video task A */ 388 if (dev->video_q.curr) { 389 task |= 0x01; 390 ctrl |= SAA7134_MAIN_CTRL_TE0; 391 irq |= SAA7134_IRQ1_INTE_RA0_1 | 392 SAA7134_IRQ1_INTE_RA0_0; 393 cap = dev->field; 394 } 395 396 /* video capture -- dma 1+2 (planar modes) */ 397 if (dev->video_q.curr && dev->fmt->planar) { 398 ctrl |= SAA7134_MAIN_CTRL_TE4 | 399 SAA7134_MAIN_CTRL_TE5; 400 } 401 402 /* screen overlay -- dma 0 + video task B */ 403 if (dev->ovenable) { 404 task |= 0x10; 405 ctrl |= SAA7134_MAIN_CTRL_TE1; 406 ov = dev->ovfield; 407 } 408 409 /* vbi capture -- dma 0 + vbi task A+B */ 410 if (dev->vbi_q.curr) { 411 task |= 0x22; 412 ctrl |= SAA7134_MAIN_CTRL_TE2 | 413 SAA7134_MAIN_CTRL_TE3; 414 irq |= SAA7134_IRQ1_INTE_RA0_7 | 415 SAA7134_IRQ1_INTE_RA0_6 | 416 SAA7134_IRQ1_INTE_RA0_5 | 417 SAA7134_IRQ1_INTE_RA0_4; 418 } 419 420 /* audio capture -- dma 3 */ 421 if (dev->dmasound.dma_running) { 422 ctrl |= SAA7134_MAIN_CTRL_TE6; 423 irq |= SAA7134_IRQ1_INTE_RA3_1 | 424 SAA7134_IRQ1_INTE_RA3_0; 425 } 426 427 /* TS capture -- dma 5 */ 428 if (dev->ts_q.curr) { 429 ctrl |= SAA7134_MAIN_CTRL_TE5; 430 irq |= SAA7134_IRQ1_INTE_RA2_1 | 431 SAA7134_IRQ1_INTE_RA2_0; 432 } 433 434 /* set task conditions + field handling */ 435 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) { 436 /* default config -- use full frames */ 437 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 438 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 439 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02); 440 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02); 441 split = 0; 442 } else { 443 /* split fields between tasks */ 444 if (V4L2_FIELD_TOP == cap) { 445 /* odd A, even B, repeat */ 446 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 447 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e); 448 } else { 449 /* odd B, even A, repeat */ 450 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e); 451 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 452 } 453 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01); 454 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01); 455 split = 1; 456 } 457 458 /* irqs */ 459 saa_writeb(SAA7134_REGION_ENABLE, task); 460 saa_writel(SAA7134_IRQ1, irq); 461 saa_andorl(SAA7134_MAIN_CTRL, 462 SAA7134_MAIN_CTRL_TE0 | 463 SAA7134_MAIN_CTRL_TE1 | 464 SAA7134_MAIN_CTRL_TE2 | 465 SAA7134_MAIN_CTRL_TE3 | 466 SAA7134_MAIN_CTRL_TE4 | 467 SAA7134_MAIN_CTRL_TE5 | 468 SAA7134_MAIN_CTRL_TE6, 469 ctrl); 470 core_dbg("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n", 471 task, ctrl, irq, split ? "no" : "yes"); 472 473 return 0; 474 } 475 476 /* ------------------------------------------------------------------ */ 477 /* IRQ handler + helpers */ 478 479 static char *irqbits[] = { 480 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3", 481 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC", 482 "TRIG_ERR", "CONF_ERR", "LOAD_ERR", 483 "GPIO16", "GPIO18", "GPIO22", "GPIO23" 484 }; 485 #define IRQBITS ARRAY_SIZE(irqbits) 486 487 static void print_irqstatus(struct saa7134_dev *dev, int loop, 488 unsigned long report, unsigned long status) 489 { 490 unsigned int i; 491 492 irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx", 493 loop, jiffies, report, status); 494 for (i = 0; i < IRQBITS; i++) { 495 if (!(report & (1 << i))) 496 continue; 497 pr_cont(" %s", irqbits[i]); 498 } 499 if (report & SAA7134_IRQ_REPORT_DONE_RA0) { 500 pr_cont(" | RA0=%s,%s,%s,%ld", 501 (status & 0x40) ? "vbi" : "video", 502 (status & 0x20) ? "b" : "a", 503 (status & 0x10) ? "odd" : "even", 504 (status & 0x0f)); 505 } 506 pr_cont("\n"); 507 } 508 509 static irqreturn_t saa7134_irq(int irq, void *dev_id) 510 { 511 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id; 512 unsigned long report,status; 513 int loop, handled = 0; 514 515 if (dev->insuspend) 516 goto out; 517 518 for (loop = 0; loop < 10; loop++) { 519 report = saa_readl(SAA7134_IRQ_REPORT); 520 status = saa_readl(SAA7134_IRQ_STATUS); 521 522 /* If dmasound support is active and we get a sound report, 523 * mask out the report and let the saa7134-alsa module deal 524 * with it */ 525 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) && 526 (dev->dmasound.priv_data != NULL) ) 527 { 528 irq_dbg(2, "preserving DMA sound interrupt\n"); 529 report &= ~SAA7134_IRQ_REPORT_DONE_RA3; 530 } 531 532 if (0 == report) { 533 irq_dbg(2, "no (more) work\n"); 534 goto out; 535 } 536 537 handled = 1; 538 saa_writel(SAA7134_IRQ_REPORT,report); 539 if (irq_debug) 540 print_irqstatus(dev,loop,report,status); 541 542 543 if ((report & SAA7134_IRQ_REPORT_RDCAP) || 544 (report & SAA7134_IRQ_REPORT_INTL)) 545 saa7134_irq_video_signalchange(dev); 546 547 548 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 549 (status & 0x60) == 0) 550 saa7134_irq_video_done(dev,status); 551 552 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 553 (status & 0x40) == 0x40) 554 saa7134_irq_vbi_done(dev,status); 555 556 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) && 557 card_has_mpeg(dev)) { 558 if (dev->mops->irq_ts_done != NULL) 559 dev->mops->irq_ts_done(dev, status); 560 else 561 saa7134_irq_ts_done(dev, status); 562 } 563 564 if (report & SAA7134_IRQ_REPORT_GPIO16) { 565 switch (dev->has_remote) { 566 case SAA7134_REMOTE_GPIO: 567 if (!dev->remote) 568 break; 569 if (dev->remote->mask_keydown & 0x10000) { 570 saa7134_input_irq(dev); 571 } 572 break; 573 574 case SAA7134_REMOTE_I2C: 575 break; /* FIXME: invoke I2C get_key() */ 576 577 default: /* GPIO16 not used by IR remote */ 578 break; 579 } 580 } 581 582 if (report & SAA7134_IRQ_REPORT_GPIO18) { 583 switch (dev->has_remote) { 584 case SAA7134_REMOTE_GPIO: 585 if (!dev->remote) 586 break; 587 if ((dev->remote->mask_keydown & 0x40000) || 588 (dev->remote->mask_keyup & 0x40000)) { 589 saa7134_input_irq(dev); 590 } 591 break; 592 593 case SAA7134_REMOTE_I2C: 594 break; /* FIXME: invoke I2C get_key() */ 595 596 default: /* GPIO18 not used by IR remote */ 597 break; 598 } 599 } 600 } 601 602 if (10 == loop) { 603 print_irqstatus(dev,loop,report,status); 604 if (report & SAA7134_IRQ_REPORT_PE) { 605 /* disable all parity error */ 606 pr_warn("%s/irq: looping -- clearing PE (parity error!) enable bit\n", 607 dev->name); 608 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE); 609 } else if (report & SAA7134_IRQ_REPORT_GPIO16) { 610 /* disable gpio16 IRQ */ 611 pr_warn("%s/irq: looping -- clearing GPIO16 enable bit\n", 612 dev->name); 613 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P); 614 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N); 615 } else if (report & SAA7134_IRQ_REPORT_GPIO18) { 616 /* disable gpio18 IRQs */ 617 pr_warn("%s/irq: looping -- clearing GPIO18 enable bit\n", 618 dev->name); 619 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P); 620 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N); 621 } else { 622 /* disable all irqs */ 623 pr_warn("%s/irq: looping -- clearing all enable bits\n", 624 dev->name); 625 saa_writel(SAA7134_IRQ1,0); 626 saa_writel(SAA7134_IRQ2,0); 627 } 628 } 629 630 out: 631 return IRQ_RETVAL(handled); 632 } 633 634 /* ------------------------------------------------------------------ */ 635 636 /* early init (no i2c, no irq) */ 637 638 static int saa7134_hw_enable1(struct saa7134_dev *dev) 639 { 640 /* RAM FIFO config */ 641 saa_writel(SAA7134_FIFO_SIZE, 0x08070503); 642 saa_writel(SAA7134_THRESHOULD, 0x02020202); 643 644 /* enable audio + video processing */ 645 saa_writel(SAA7134_MAIN_CTRL, 646 SAA7134_MAIN_CTRL_VPLLE | 647 SAA7134_MAIN_CTRL_APLLE | 648 SAA7134_MAIN_CTRL_EXOSC | 649 SAA7134_MAIN_CTRL_EVFE1 | 650 SAA7134_MAIN_CTRL_EVFE2 | 651 SAA7134_MAIN_CTRL_ESFE | 652 SAA7134_MAIN_CTRL_EBDAC); 653 654 /* 655 * Initialize OSS _after_ enabling audio clock PLL and audio processing. 656 * OSS initialization writes to registers via the audio DSP; these 657 * writes will fail unless the audio clock has been started. At worst, 658 * audio will not work. 659 */ 660 661 /* enable peripheral devices */ 662 saa_writeb(SAA7134_SPECIAL_MODE, 0x01); 663 664 /* set vertical line numbering start (vbi needs this) */ 665 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20); 666 667 return 0; 668 } 669 670 static int saa7134_hwinit1(struct saa7134_dev *dev) 671 { 672 core_dbg("hwinit1\n"); 673 674 saa_writel(SAA7134_IRQ1, 0); 675 saa_writel(SAA7134_IRQ2, 0); 676 677 /* Clear any stale IRQ reports */ 678 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 679 680 mutex_init(&dev->lock); 681 spin_lock_init(&dev->slock); 682 683 saa7134_track_gpio(dev,"pre-init"); 684 saa7134_video_init1(dev); 685 saa7134_vbi_init1(dev); 686 if (card_has_mpeg(dev)) 687 saa7134_ts_init1(dev); 688 saa7134_input_init1(dev); 689 690 saa7134_hw_enable1(dev); 691 692 return 0; 693 } 694 695 /* late init (with i2c + irq) */ 696 static int saa7134_hw_enable2(struct saa7134_dev *dev) 697 { 698 699 unsigned int irq2_mask; 700 701 /* enable IRQ's */ 702 irq2_mask = 703 SAA7134_IRQ2_INTE_DEC3 | 704 SAA7134_IRQ2_INTE_DEC2 | 705 SAA7134_IRQ2_INTE_DEC1 | 706 SAA7134_IRQ2_INTE_DEC0 | 707 SAA7134_IRQ2_INTE_PE | 708 SAA7134_IRQ2_INTE_AR; 709 710 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) { 711 if (dev->remote->mask_keydown & 0x10000) 712 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N; 713 else { /* Allow enabling both IRQ edge triggers */ 714 if (dev->remote->mask_keydown & 0x40000) 715 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P; 716 if (dev->remote->mask_keyup & 0x40000) 717 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N; 718 } 719 } 720 721 if (dev->has_remote == SAA7134_REMOTE_I2C) { 722 request_module("ir-kbd-i2c"); 723 } 724 725 saa_writel(SAA7134_IRQ1, 0); 726 saa_writel(SAA7134_IRQ2, irq2_mask); 727 728 return 0; 729 } 730 731 static int saa7134_hwinit2(struct saa7134_dev *dev) 732 { 733 734 core_dbg("hwinit2\n"); 735 736 saa7134_video_init2(dev); 737 saa7134_tvaudio_init2(dev); 738 739 saa7134_hw_enable2(dev); 740 741 return 0; 742 } 743 744 745 /* shutdown */ 746 static int saa7134_hwfini(struct saa7134_dev *dev) 747 { 748 core_dbg("hwfini\n"); 749 750 if (card_has_mpeg(dev)) 751 saa7134_ts_fini(dev); 752 saa7134_input_fini(dev); 753 saa7134_vbi_fini(dev); 754 saa7134_tvaudio_fini(dev); 755 saa7134_video_fini(dev); 756 return 0; 757 } 758 759 static void must_configure_manually(int has_eeprom) 760 { 761 unsigned int i,p; 762 763 if (!has_eeprom) 764 pr_warn("saa7134: <rant>\n" 765 "saa7134: Congratulations! Your TV card vendor saved a few\n" 766 "saa7134: cents for a eeprom, thus your pci board has no\n" 767 "saa7134: subsystem ID and I can't identify it automatically\n" 768 "saa7134: </rant>\n" 769 "saa7134: I feel better now. Ok, here are the good news:\n" 770 "saa7134: You can use the card=<nr> insmod option to specify\n" 771 "saa7134: which board do you have. The list:\n"); 772 else 773 pr_warn("saa7134: Board is currently unknown. You might try to use the card=<nr>\n" 774 "saa7134: insmod option to specify which board do you have, but this is\n" 775 "saa7134: somewhat risky, as might damage your card. It is better to ask\n" 776 "saa7134: for support at linux-media@vger.kernel.org.\n" 777 "saa7134: The supported cards are:\n"); 778 779 for (i = 0; i < saa7134_bcount; i++) { 780 pr_warn("saa7134: card=%d -> %-40.40s", 781 i,saa7134_boards[i].name); 782 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) { 783 if (saa7134_pci_tbl[p].driver_data != i) 784 continue; 785 pr_cont(" %04x:%04x", 786 saa7134_pci_tbl[p].subvendor, 787 saa7134_pci_tbl[p].subdevice); 788 } 789 pr_cont("\n"); 790 } 791 } 792 793 static void saa7134_unregister_media_device(struct saa7134_dev *dev) 794 { 795 796 #ifdef CONFIG_MEDIA_CONTROLLER 797 if (!dev->media_dev) 798 return; 799 media_device_unregister(dev->media_dev); 800 media_device_cleanup(dev->media_dev); 801 kfree(dev->media_dev); 802 dev->media_dev = NULL; 803 #endif 804 } 805 806 static void saa7134_media_release(struct saa7134_dev *dev) 807 { 808 #ifdef CONFIG_MEDIA_CONTROLLER 809 int i; 810 811 for (i = 0; i < SAA7134_INPUT_MAX + 1; i++) 812 media_device_unregister_entity(&dev->input_ent[i]); 813 #endif 814 } 815 816 #if defined(CONFIG_MEDIA_CONTROLLER) 817 static void saa7134_create_entities(struct saa7134_dev *dev) 818 { 819 int ret, i; 820 struct media_entity *entity; 821 struct media_entity *decoder = NULL; 822 823 /* Check if it is using an external analog TV demod */ 824 media_device_for_each_entity(entity, dev->media_dev) { 825 if (entity->function == MEDIA_ENT_F_ATV_DECODER) { 826 decoder = entity; 827 break; 828 } 829 } 830 831 /* 832 * saa713x is not using an external ATV demod. 833 * Register the internal one 834 */ 835 if (!decoder) { 836 dev->demod.name = "saa713x"; 837 dev->demod_pad[SAA7134_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 838 dev->demod_pad[SAA7134_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG; 839 dev->demod_pad[SAA7134_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 840 dev->demod_pad[SAA7134_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV; 841 dev->demod.function = MEDIA_ENT_F_ATV_DECODER; 842 843 ret = media_entity_pads_init(&dev->demod, SAA7134_NUM_PADS, 844 dev->demod_pad); 845 if (ret < 0) 846 pr_err("failed to initialize demod pad!\n"); 847 848 ret = media_device_register_entity(dev->media_dev, &dev->demod); 849 if (ret < 0) 850 pr_err("failed to register demod entity!\n"); 851 852 dev->decoder = &dev->demod; 853 } else { 854 dev->decoder = decoder; 855 } 856 857 /* Initialize Video, VBI and Radio pads */ 858 dev->video_pad.flags = MEDIA_PAD_FL_SINK; 859 ret = media_entity_pads_init(&dev->video_dev->entity, 1, 860 &dev->video_pad); 861 if (ret < 0) 862 pr_err("failed to initialize video media entity!\n"); 863 864 dev->vbi_pad.flags = MEDIA_PAD_FL_SINK; 865 ret = media_entity_pads_init(&dev->vbi_dev->entity, 1, 866 &dev->vbi_pad); 867 if (ret < 0) 868 pr_err("failed to initialize vbi media entity!\n"); 869 870 /* Create entities for each input connector */ 871 for (i = 0; i < SAA7134_INPUT_MAX; i++) { 872 struct media_entity *ent = &dev->input_ent[i]; 873 struct saa7134_input *in = &card_in(dev, i); 874 875 if (in->type == SAA7134_NO_INPUT) 876 break; 877 878 /* This input uses the S-Video connector */ 879 if (in->type == SAA7134_INPUT_COMPOSITE_OVER_SVIDEO) 880 continue; 881 882 ent->name = saa7134_input_name[in->type]; 883 ent->flags = MEDIA_ENT_FL_CONNECTOR; 884 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 885 886 switch (in->type) { 887 case SAA7134_INPUT_COMPOSITE: 888 case SAA7134_INPUT_COMPOSITE0: 889 case SAA7134_INPUT_COMPOSITE1: 890 case SAA7134_INPUT_COMPOSITE2: 891 case SAA7134_INPUT_COMPOSITE3: 892 case SAA7134_INPUT_COMPOSITE4: 893 ent->function = MEDIA_ENT_F_CONN_COMPOSITE; 894 break; 895 case SAA7134_INPUT_SVIDEO: 896 case SAA7134_INPUT_SVIDEO0: 897 case SAA7134_INPUT_SVIDEO1: 898 ent->function = MEDIA_ENT_F_CONN_SVIDEO; 899 break; 900 default: 901 /* 902 * SAA7134_INPUT_TV and SAA7134_INPUT_TV_MONO. 903 * 904 * Please notice that neither SAA7134_INPUT_MUTE or 905 * SAA7134_INPUT_RADIO are defined at 906 * saa7134_board.input. 907 */ 908 ent->function = MEDIA_ENT_F_CONN_RF; 909 break; 910 } 911 912 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); 913 if (ret < 0) 914 pr_err("failed to initialize input pad[%d]!\n", i); 915 916 ret = media_device_register_entity(dev->media_dev, ent); 917 if (ret < 0) 918 pr_err("failed to register input entity %d!\n", i); 919 } 920 921 /* Create input for Radio RF connector */ 922 if (card_has_radio(dev)) { 923 struct saa7134_input *in = &saa7134_boards[dev->board].radio; 924 struct media_entity *ent = &dev->input_ent[i]; 925 926 ent->name = saa7134_input_name[in->type]; 927 ent->flags = MEDIA_ENT_FL_CONNECTOR; 928 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 929 ent->function = MEDIA_ENT_F_CONN_RF; 930 931 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); 932 if (ret < 0) 933 pr_err("failed to initialize input pad[%d]!\n", i); 934 935 ret = media_device_register_entity(dev->media_dev, ent); 936 if (ret < 0) 937 pr_err("failed to register input entity %d!\n", i); 938 } 939 } 940 #endif 941 942 static struct video_device *vdev_init(struct saa7134_dev *dev, 943 struct video_device *template, 944 char *type) 945 { 946 struct video_device *vfd; 947 948 vfd = video_device_alloc(); 949 if (NULL == vfd) 950 return NULL; 951 *vfd = *template; 952 vfd->v4l2_dev = &dev->v4l2_dev; 953 vfd->release = video_device_release; 954 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", 955 dev->name, type, saa7134_boards[dev->board].name); 956 video_set_drvdata(vfd, dev); 957 return vfd; 958 } 959 960 static void saa7134_unregister_video(struct saa7134_dev *dev) 961 { 962 saa7134_media_release(dev); 963 964 if (dev->video_dev) { 965 if (video_is_registered(dev->video_dev)) 966 vb2_video_unregister_device(dev->video_dev); 967 else 968 video_device_release(dev->video_dev); 969 dev->video_dev = NULL; 970 } 971 if (dev->vbi_dev) { 972 if (video_is_registered(dev->vbi_dev)) 973 vb2_video_unregister_device(dev->vbi_dev); 974 else 975 video_device_release(dev->vbi_dev); 976 dev->vbi_dev = NULL; 977 } 978 if (dev->radio_dev) { 979 if (video_is_registered(dev->radio_dev)) 980 vb2_video_unregister_device(dev->radio_dev); 981 else 982 video_device_release(dev->radio_dev); 983 dev->radio_dev = NULL; 984 } 985 } 986 987 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops, 988 struct saa7134_dev *dev) 989 { 990 int err; 991 992 if (NULL != dev->mops) 993 return; 994 if (saa7134_boards[dev->board].mpeg != ops->type) 995 return; 996 err = ops->init(dev); 997 if (0 != err) 998 return; 999 dev->mops = ops; 1000 } 1001 1002 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops, 1003 struct saa7134_dev *dev) 1004 { 1005 if (NULL == dev->mops) 1006 return; 1007 if (dev->mops != ops) 1008 return; 1009 dev->mops->fini(dev); 1010 dev->mops = NULL; 1011 } 1012 1013 static int saa7134_initdev(struct pci_dev *pci_dev, 1014 const struct pci_device_id *pci_id) 1015 { 1016 struct saa7134_dev *dev; 1017 struct saa7134_mpeg_ops *mops; 1018 int err; 1019 1020 if (saa7134_devcount == SAA7134_MAXBOARDS) 1021 return -ENOMEM; 1022 1023 dev = kzalloc(sizeof(*dev),GFP_KERNEL); 1024 if (NULL == dev) 1025 return -ENOMEM; 1026 1027 dev->nr = saa7134_devcount; 1028 sprintf(dev->name, "saa%x[%d]", pci_dev->device, dev->nr); 1029 1030 #ifdef CONFIG_MEDIA_CONTROLLER 1031 dev->media_dev = kzalloc(sizeof(*dev->media_dev), GFP_KERNEL); 1032 if (!dev->media_dev) { 1033 err = -ENOMEM; 1034 goto fail0; 1035 } 1036 media_device_pci_init(dev->media_dev, pci_dev, dev->name); 1037 dev->v4l2_dev.mdev = dev->media_dev; 1038 #endif 1039 1040 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); 1041 if (err) 1042 goto fail0; 1043 1044 /* pci init */ 1045 dev->pci = pci_dev; 1046 if (pci_enable_device(pci_dev)) { 1047 err = -EIO; 1048 goto fail1; 1049 } 1050 1051 /* pci quirks */ 1052 if (pci_pci_problems) { 1053 if (pci_pci_problems & PCIPCI_TRITON) 1054 pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name); 1055 if (pci_pci_problems & PCIPCI_NATOMA) 1056 pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name); 1057 if (pci_pci_problems & PCIPCI_VIAETBF) 1058 pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name); 1059 if (pci_pci_problems & PCIPCI_VSFX) 1060 pr_info("%s: quirk: PCIPCI_VSFX\n", dev->name); 1061 #ifdef PCIPCI_ALIMAGIK 1062 if (pci_pci_problems & PCIPCI_ALIMAGIK) { 1063 pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", 1064 dev->name); 1065 latency = 0x0A; 1066 } 1067 #endif 1068 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) { 1069 pr_info("%s: quirk: this driver and your chipset may not work together in overlay mode.\n", 1070 dev->name); 1071 if (!saa7134_no_overlay) { 1072 pr_info("%s: quirk: overlay mode will be disabled.\n", 1073 dev->name); 1074 saa7134_no_overlay = 1; 1075 } else { 1076 pr_info("%s: quirk: overlay mode will be forced. Use this option at your own risk.\n", 1077 dev->name); 1078 } 1079 } 1080 } 1081 if (UNSET != latency) { 1082 pr_info("%s: setting pci latency timer to %d\n", 1083 dev->name,latency); 1084 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); 1085 } 1086 1087 /* print pci info */ 1088 dev->pci_rev = pci_dev->revision; 1089 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); 1090 pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n", 1091 dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq, 1092 dev->pci_lat, 1093 (unsigned long long)pci_resource_start(pci_dev, 0)); 1094 pci_set_master(pci_dev); 1095 err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32)); 1096 if (err) { 1097 pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name); 1098 goto fail1; 1099 } 1100 1101 /* board config */ 1102 dev->board = pci_id->driver_data; 1103 if ((unsigned)card[dev->nr] < saa7134_bcount) 1104 dev->board = card[dev->nr]; 1105 if (SAA7134_BOARD_UNKNOWN == dev->board) 1106 must_configure_manually(0); 1107 else if (SAA7134_BOARD_NOAUTO == dev->board) { 1108 must_configure_manually(1); 1109 dev->board = SAA7134_BOARD_UNKNOWN; 1110 } 1111 dev->autodetected = card[dev->nr] != dev->board; 1112 dev->tuner_type = saa7134_boards[dev->board].tuner_type; 1113 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr; 1114 dev->radio_type = saa7134_boards[dev->board].radio_type; 1115 dev->radio_addr = saa7134_boards[dev->board].radio_addr; 1116 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf; 1117 if (UNSET != tuner[dev->nr]) 1118 dev->tuner_type = tuner[dev->nr]; 1119 pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", 1120 dev->name,pci_dev->subsystem_vendor, 1121 pci_dev->subsystem_device,saa7134_boards[dev->board].name, 1122 dev->board, dev->autodetected ? 1123 "autodetected" : "insmod option"); 1124 1125 /* get mmio */ 1126 if (!request_mem_region(pci_resource_start(pci_dev,0), 1127 pci_resource_len(pci_dev,0), 1128 dev->name)) { 1129 err = -EBUSY; 1130 pr_err("%s: can't get MMIO memory @ 0x%llx\n", 1131 dev->name,(unsigned long long)pci_resource_start(pci_dev,0)); 1132 goto fail1; 1133 } 1134 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0), 1135 pci_resource_len(pci_dev, 0)); 1136 dev->bmmio = (__u8 __iomem *)dev->lmmio; 1137 if (NULL == dev->lmmio) { 1138 err = -EIO; 1139 pr_err("%s: can't ioremap() MMIO memory\n", 1140 dev->name); 1141 goto fail2; 1142 } 1143 1144 /* initialize hardware #1 */ 1145 saa7134_board_init1(dev); 1146 saa7134_hwinit1(dev); 1147 1148 /* get irq */ 1149 err = request_irq(pci_dev->irq, saa7134_irq, 1150 IRQF_SHARED, dev->name, dev); 1151 if (err < 0) { 1152 pr_err("%s: can't get IRQ %d\n", 1153 dev->name,pci_dev->irq); 1154 goto fail3; 1155 } 1156 1157 /* wait a bit, register i2c bus */ 1158 msleep(100); 1159 saa7134_i2c_register(dev); 1160 saa7134_board_init2(dev); 1161 1162 saa7134_hwinit2(dev); 1163 1164 /* load i2c helpers */ 1165 if (card_is_empress(dev)) { 1166 dev->empress_sd = 1167 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, 1168 "saa6752hs", 1169 saa7134_boards[dev->board].empress_addr, NULL); 1170 1171 if (dev->empress_sd) 1172 dev->empress_sd->grp_id = GRP_EMPRESS; 1173 } 1174 1175 if (saa7134_boards[dev->board].rds_addr) { 1176 struct v4l2_subdev *sd; 1177 1178 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1179 &dev->i2c_adap, "saa6588", 1180 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr)); 1181 if (sd) { 1182 pr_info("%s: found RDS decoder\n", dev->name); 1183 dev->has_rds = 1; 1184 } 1185 } 1186 1187 mutex_lock(&saa7134_devlist_lock); 1188 list_for_each_entry(mops, &mops_list, next) 1189 mpeg_ops_attach(mops, dev); 1190 list_add_tail(&dev->devlist, &saa7134_devlist); 1191 mutex_unlock(&saa7134_devlist_lock); 1192 1193 /* check for signal */ 1194 saa7134_irq_video_signalchange(dev); 1195 1196 if (TUNER_ABSENT != dev->tuner_type) 1197 saa_call_all(dev, core, s_power, 0); 1198 1199 /* register v4l devices */ 1200 if (saa7134_no_overlay > 0) 1201 pr_info("%s: Overlay support disabled.\n", dev->name); 1202 1203 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); 1204 dev->video_dev->ctrl_handler = &dev->ctrl_handler; 1205 dev->video_dev->lock = &dev->lock; 1206 dev->video_dev->queue = &dev->video_vbq; 1207 dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1208 V4L2_CAP_VIDEO_CAPTURE; 1209 if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET) 1210 dev->video_dev->device_caps |= V4L2_CAP_TUNER; 1211 1212 if (saa7134_no_overlay <= 0) 1213 dev->video_dev->device_caps |= V4L2_CAP_VIDEO_OVERLAY; 1214 1215 err = video_register_device(dev->video_dev,VFL_TYPE_VIDEO, 1216 video_nr[dev->nr]); 1217 if (err < 0) { 1218 pr_info("%s: can't register video device\n", 1219 dev->name); 1220 goto fail4; 1221 } 1222 pr_info("%s: registered device %s [v4l2]\n", 1223 dev->name, video_device_node_name(dev->video_dev)); 1224 1225 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi"); 1226 dev->vbi_dev->ctrl_handler = &dev->ctrl_handler; 1227 dev->vbi_dev->lock = &dev->lock; 1228 dev->vbi_dev->queue = &dev->vbi_vbq; 1229 dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1230 V4L2_CAP_VBI_CAPTURE; 1231 if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET) 1232 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER; 1233 1234 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, 1235 vbi_nr[dev->nr]); 1236 if (err < 0) 1237 goto fail4; 1238 pr_info("%s: registered device %s\n", 1239 dev->name, video_device_node_name(dev->vbi_dev)); 1240 1241 if (card_has_radio(dev)) { 1242 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio"); 1243 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler; 1244 dev->radio_dev->lock = &dev->lock; 1245 dev->radio_dev->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER; 1246 if (dev->has_rds) 1247 dev->radio_dev->device_caps |= V4L2_CAP_RDS_CAPTURE; 1248 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, 1249 radio_nr[dev->nr]); 1250 if (err < 0) 1251 goto fail4; 1252 pr_info("%s: registered device %s\n", 1253 dev->name, video_device_node_name(dev->radio_dev)); 1254 } 1255 1256 #ifdef CONFIG_MEDIA_CONTROLLER 1257 saa7134_create_entities(dev); 1258 1259 err = v4l2_mc_create_media_graph(dev->media_dev); 1260 if (err) { 1261 pr_err("failed to create media graph\n"); 1262 goto fail4; 1263 } 1264 #endif 1265 /* everything worked */ 1266 saa7134_devcount++; 1267 1268 if (saa7134_dmasound_init && !dev->dmasound.priv_data) 1269 saa7134_dmasound_init(dev); 1270 1271 request_submodules(dev); 1272 1273 /* 1274 * Do it at the end, to reduce dynamic configuration changes during 1275 * the device init. Yet, as request_modules() can be async, the 1276 * topology will likely change after load the saa7134 subdrivers. 1277 */ 1278 #ifdef CONFIG_MEDIA_CONTROLLER 1279 err = media_device_register(dev->media_dev); 1280 if (err) 1281 goto fail4; 1282 #endif 1283 1284 return 0; 1285 1286 fail4: 1287 saa7134_unregister_video(dev); 1288 saa7134_i2c_unregister(dev); 1289 free_irq(pci_dev->irq, dev); 1290 fail3: 1291 saa7134_hwfini(dev); 1292 iounmap(dev->lmmio); 1293 fail2: 1294 release_mem_region(pci_resource_start(pci_dev,0), 1295 pci_resource_len(pci_dev,0)); 1296 fail1: 1297 v4l2_device_unregister(&dev->v4l2_dev); 1298 fail0: 1299 #ifdef CONFIG_MEDIA_CONTROLLER 1300 kfree(dev->media_dev); 1301 #endif 1302 kfree(dev); 1303 return err; 1304 } 1305 1306 static void saa7134_finidev(struct pci_dev *pci_dev) 1307 { 1308 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1309 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1310 struct saa7134_mpeg_ops *mops; 1311 1312 flush_request_submodules(dev); 1313 1314 /* Release DMA sound modules if present */ 1315 if (saa7134_dmasound_exit && dev->dmasound.priv_data) { 1316 saa7134_dmasound_exit(dev); 1317 } 1318 1319 /* debugging ... */ 1320 if (irq_debug) { 1321 u32 report = saa_readl(SAA7134_IRQ_REPORT); 1322 u32 status = saa_readl(SAA7134_IRQ_STATUS); 1323 print_irqstatus(dev,42,report,status); 1324 } 1325 1326 /* disable peripheral devices */ 1327 saa_writeb(SAA7134_SPECIAL_MODE,0); 1328 1329 /* shutdown hardware */ 1330 saa_writel(SAA7134_IRQ1,0); 1331 saa_writel(SAA7134_IRQ2,0); 1332 saa_writel(SAA7134_MAIN_CTRL,0); 1333 1334 /* shutdown subsystems */ 1335 saa7134_hwfini(dev); 1336 1337 /* unregister */ 1338 mutex_lock(&saa7134_devlist_lock); 1339 list_del(&dev->devlist); 1340 list_for_each_entry(mops, &mops_list, next) 1341 mpeg_ops_detach(mops, dev); 1342 mutex_unlock(&saa7134_devlist_lock); 1343 saa7134_devcount--; 1344 1345 saa7134_i2c_unregister(dev); 1346 saa7134_unregister_video(dev); 1347 1348 1349 /* the DMA sound modules should be unloaded before reaching 1350 this, but just in case they are still present... */ 1351 if (dev->dmasound.priv_data != NULL) { 1352 free_irq(pci_dev->irq, &dev->dmasound); 1353 dev->dmasound.priv_data = NULL; 1354 } 1355 1356 1357 /* release resources */ 1358 free_irq(pci_dev->irq, dev); 1359 iounmap(dev->lmmio); 1360 release_mem_region(pci_resource_start(pci_dev,0), 1361 pci_resource_len(pci_dev,0)); 1362 1363 v4l2_device_unregister(&dev->v4l2_dev); 1364 1365 saa7134_unregister_media_device(dev); 1366 1367 /* free memory */ 1368 kfree(dev); 1369 } 1370 1371 /* resends a current buffer in queue after resume */ 1372 static int __maybe_unused saa7134_buffer_requeue(struct saa7134_dev *dev, 1373 struct saa7134_dmaqueue *q) 1374 { 1375 struct saa7134_buf *buf, *next; 1376 1377 assert_spin_locked(&dev->slock); 1378 1379 buf = q->curr; 1380 next = buf; 1381 core_dbg("buffer_requeue\n"); 1382 1383 if (!buf) 1384 return 0; 1385 1386 core_dbg("buffer_requeue : resending active buffer\n"); 1387 1388 if (!list_empty(&q->queue)) 1389 next = list_entry(q->queue.next, struct saa7134_buf, 1390 entry); 1391 buf->activate(dev, buf, next); 1392 1393 return 0; 1394 } 1395 1396 static int __maybe_unused saa7134_suspend(struct device *dev_d) 1397 { 1398 struct pci_dev *pci_dev = to_pci_dev(dev_d); 1399 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1400 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1401 1402 /* disable overlay - apps should enable it explicitly on resume*/ 1403 dev->ovenable = 0; 1404 1405 /* Disable interrupts, DMA, and rest of the chip*/ 1406 saa_writel(SAA7134_IRQ1, 0); 1407 saa_writel(SAA7134_IRQ2, 0); 1408 saa_writel(SAA7134_MAIN_CTRL, 0); 1409 1410 dev->insuspend = 1; 1411 synchronize_irq(pci_dev->irq); 1412 1413 /* ACK interrupts once more, just in case, 1414 since the IRQ handler won't ack them anymore*/ 1415 1416 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 1417 1418 /* Disable timeout timers - if we have active buffers, we will 1419 fill them on resume*/ 1420 1421 del_timer(&dev->video_q.timeout); 1422 del_timer(&dev->vbi_q.timeout); 1423 del_timer(&dev->ts_q.timeout); 1424 1425 if (dev->remote && dev->remote->dev->users) 1426 saa7134_ir_close(dev->remote->dev); 1427 1428 return 0; 1429 } 1430 1431 static int __maybe_unused saa7134_resume(struct device *dev_d) 1432 { 1433 struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d); 1434 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1435 unsigned long flags; 1436 1437 /* Do things that are done in saa7134_initdev , 1438 except of initializing memory structures.*/ 1439 1440 saa7134_board_init1(dev); 1441 1442 /* saa7134_hwinit1 */ 1443 if (saa7134_boards[dev->board].video_out) 1444 saa7134_videoport_init(dev); 1445 if (card_has_mpeg(dev)) 1446 saa7134_ts_init_hw(dev); 1447 if (dev->remote && dev->remote->dev->users) 1448 saa7134_ir_open(dev->remote->dev); 1449 saa7134_hw_enable1(dev); 1450 1451 msleep(100); 1452 1453 saa7134_board_init2(dev); 1454 1455 /*saa7134_hwinit2*/ 1456 saa7134_set_tvnorm_hw(dev); 1457 saa7134_tvaudio_setmute(dev); 1458 saa7134_tvaudio_setvolume(dev, dev->ctl_volume); 1459 saa7134_tvaudio_init(dev); 1460 saa7134_enable_i2s(dev); 1461 saa7134_hw_enable2(dev); 1462 1463 saa7134_irq_video_signalchange(dev); 1464 1465 /*resume unfinished buffer(s)*/ 1466 spin_lock_irqsave(&dev->slock, flags); 1467 saa7134_buffer_requeue(dev, &dev->video_q); 1468 saa7134_buffer_requeue(dev, &dev->vbi_q); 1469 saa7134_buffer_requeue(dev, &dev->ts_q); 1470 1471 /* FIXME: Disable DMA audio sound - temporary till proper support 1472 is implemented*/ 1473 1474 dev->dmasound.dma_running = 0; 1475 1476 /* start DMA now*/ 1477 dev->insuspend = 0; 1478 smp_wmb(); 1479 saa7134_set_dmabits(dev); 1480 spin_unlock_irqrestore(&dev->slock, flags); 1481 1482 return 0; 1483 } 1484 1485 /* ----------------------------------------------------------- */ 1486 1487 int saa7134_ts_register(struct saa7134_mpeg_ops *ops) 1488 { 1489 struct saa7134_dev *dev; 1490 1491 mutex_lock(&saa7134_devlist_lock); 1492 list_for_each_entry(dev, &saa7134_devlist, devlist) 1493 mpeg_ops_attach(ops, dev); 1494 list_add_tail(&ops->next,&mops_list); 1495 mutex_unlock(&saa7134_devlist_lock); 1496 return 0; 1497 } 1498 1499 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) 1500 { 1501 struct saa7134_dev *dev; 1502 1503 mutex_lock(&saa7134_devlist_lock); 1504 list_del(&ops->next); 1505 list_for_each_entry(dev, &saa7134_devlist, devlist) 1506 mpeg_ops_detach(ops, dev); 1507 mutex_unlock(&saa7134_devlist_lock); 1508 } 1509 1510 EXPORT_SYMBOL(saa7134_ts_register); 1511 EXPORT_SYMBOL(saa7134_ts_unregister); 1512 1513 /* ----------------------------------------------------------- */ 1514 1515 static SIMPLE_DEV_PM_OPS(saa7134_pm_ops, saa7134_suspend, saa7134_resume); 1516 1517 static struct pci_driver saa7134_pci_driver = { 1518 .name = "saa7134", 1519 .id_table = saa7134_pci_tbl, 1520 .probe = saa7134_initdev, 1521 .remove = saa7134_finidev, 1522 .driver.pm = &saa7134_pm_ops, 1523 }; 1524 1525 static int __init saa7134_init(void) 1526 { 1527 INIT_LIST_HEAD(&saa7134_devlist); 1528 pr_info("saa7130/34: v4l2 driver version %s loaded\n", 1529 SAA7134_VERSION); 1530 return pci_register_driver(&saa7134_pci_driver); 1531 } 1532 1533 static void __exit saa7134_fini(void) 1534 { 1535 pci_unregister_driver(&saa7134_pci_driver); 1536 } 1537 1538 module_init(saa7134_init); 1539 module_exit(saa7134_fini); 1540 1541 /* ----------------------------------------------------------- */ 1542 1543 EXPORT_SYMBOL(saa7134_set_gpio); 1544 EXPORT_SYMBOL(saa7134_boards); 1545 1546 /* ----------------- for the DMA sound modules --------------- */ 1547 1548 EXPORT_SYMBOL(saa7134_dmasound_init); 1549 EXPORT_SYMBOL(saa7134_dmasound_exit); 1550 EXPORT_SYMBOL(saa7134_pgtable_free); 1551 EXPORT_SYMBOL(saa7134_pgtable_build); 1552 EXPORT_SYMBOL(saa7134_pgtable_alloc); 1553 EXPORT_SYMBOL(saa7134_set_dmabits); 1554