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 = dma_alloc_coherent(&pci->dev, SAA7134_PGTABLE_SIZE, &dma_addr, 227 GFP_KERNEL); 228 if (NULL == cpu) 229 return -ENOMEM; 230 pt->size = SAA7134_PGTABLE_SIZE; 231 pt->cpu = cpu; 232 pt->dma = dma_addr; 233 return 0; 234 } 235 236 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt, 237 struct scatterlist *list, unsigned int length, 238 unsigned int startpage) 239 { 240 __le32 *ptr; 241 unsigned int i, p; 242 243 BUG_ON(NULL == pt || NULL == pt->cpu); 244 245 ptr = pt->cpu + startpage; 246 for (i = 0; i < length; i++, list = sg_next(list)) { 247 for (p = 0; p * 4096 < sg_dma_len(list); p++, ptr++) 248 *ptr = cpu_to_le32(sg_dma_address(list) + 249 list->offset + p * 4096); 250 } 251 return 0; 252 } 253 254 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt) 255 { 256 if (NULL == pt->cpu) 257 return; 258 dma_free_coherent(&pci->dev, pt->size, pt->cpu, pt->dma); 259 pt->cpu = NULL; 260 } 261 262 /* ------------------------------------------------------------------ */ 263 264 int saa7134_buffer_queue(struct saa7134_dev *dev, 265 struct saa7134_dmaqueue *q, 266 struct saa7134_buf *buf) 267 { 268 struct saa7134_buf *next = NULL; 269 unsigned long flags; 270 271 spin_lock_irqsave(&dev->slock, flags); 272 core_dbg("buffer_queue %p\n", buf); 273 if (NULL == q->curr) { 274 if (!q->need_two) { 275 q->curr = buf; 276 buf->activate(dev, buf, NULL); 277 } else if (list_empty(&q->queue)) { 278 list_add_tail(&buf->entry, &q->queue); 279 } else { 280 next = list_entry(q->queue.next, struct saa7134_buf, 281 entry); 282 q->curr = buf; 283 buf->activate(dev, buf, next); 284 } 285 } else { 286 list_add_tail(&buf->entry, &q->queue); 287 } 288 spin_unlock_irqrestore(&dev->slock, flags); 289 return 0; 290 } 291 292 void saa7134_buffer_finish(struct saa7134_dev *dev, 293 struct saa7134_dmaqueue *q, 294 unsigned int state) 295 { 296 core_dbg("buffer_finish %p\n", q->curr); 297 298 /* finish current buffer */ 299 q->curr->vb2.vb2_buf.timestamp = ktime_get_ns(); 300 q->curr->vb2.sequence = q->seq_nr++; 301 vb2_buffer_done(&q->curr->vb2.vb2_buf, state); 302 q->curr = NULL; 303 } 304 305 void saa7134_buffer_next(struct saa7134_dev *dev, 306 struct saa7134_dmaqueue *q) 307 { 308 struct saa7134_buf *buf,*next = NULL; 309 310 assert_spin_locked(&dev->slock); 311 BUG_ON(NULL != q->curr); 312 313 if (!list_empty(&q->queue)) { 314 /* activate next one from queue */ 315 buf = list_entry(q->queue.next, struct saa7134_buf, entry); 316 core_dbg("buffer_next %p [prev=%p/next=%p]\n", 317 buf, q->queue.prev, q->queue.next); 318 list_del(&buf->entry); 319 if (!list_empty(&q->queue)) 320 next = list_entry(q->queue.next, struct saa7134_buf, entry); 321 q->curr = buf; 322 buf->activate(dev, buf, next); 323 core_dbg("buffer_next #2 prev=%p/next=%p\n", 324 q->queue.prev, q->queue.next); 325 } else { 326 /* nothing to do -- just stop DMA */ 327 core_dbg("buffer_next %p\n", NULL); 328 saa7134_set_dmabits(dev); 329 del_timer(&q->timeout); 330 } 331 } 332 333 void saa7134_buffer_timeout(struct timer_list *t) 334 { 335 struct saa7134_dmaqueue *q = from_timer(q, t, timeout); 336 struct saa7134_dev *dev = q->dev; 337 unsigned long flags; 338 339 spin_lock_irqsave(&dev->slock, flags); 340 341 /* try to reset the hardware (SWRST) */ 342 saa_writeb(SAA7134_REGION_ENABLE, 0x00); 343 saa_writeb(SAA7134_REGION_ENABLE, 0x80); 344 saa_writeb(SAA7134_REGION_ENABLE, 0x00); 345 346 /* flag current buffer as failed, 347 try to start over with the next one. */ 348 if (q->curr) { 349 core_dbg("timeout on %p\n", q->curr); 350 saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR); 351 } 352 saa7134_buffer_next(dev, q); 353 spin_unlock_irqrestore(&dev->slock, flags); 354 } 355 356 void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q) 357 { 358 unsigned long flags; 359 struct list_head *pos, *n; 360 struct saa7134_buf *tmp; 361 362 spin_lock_irqsave(&dev->slock, flags); 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 spin_unlock_irqrestore(&dev->slock, flags); 371 saa7134_buffer_timeout(&q->timeout); /* also calls del_timer(&q->timeout) */ 372 } 373 EXPORT_SYMBOL_GPL(saa7134_stop_streaming); 374 375 /* ------------------------------------------------------------------ */ 376 377 int saa7134_set_dmabits(struct saa7134_dev *dev) 378 { 379 u32 split, task=0, ctrl=0, irq=0; 380 enum v4l2_field cap = V4L2_FIELD_ANY; 381 enum v4l2_field ov = V4L2_FIELD_ANY; 382 383 assert_spin_locked(&dev->slock); 384 385 if (dev->insuspend) 386 return 0; 387 388 /* video capture -- dma 0 + video task A */ 389 if (dev->video_q.curr) { 390 task |= 0x01; 391 ctrl |= SAA7134_MAIN_CTRL_TE0; 392 irq |= SAA7134_IRQ1_INTE_RA0_1 | 393 SAA7134_IRQ1_INTE_RA0_0; 394 cap = dev->field; 395 } 396 397 /* video capture -- dma 1+2 (planar modes) */ 398 if (dev->video_q.curr && dev->fmt->planar) { 399 ctrl |= SAA7134_MAIN_CTRL_TE4 | 400 SAA7134_MAIN_CTRL_TE5; 401 } 402 403 /* screen overlay -- dma 0 + video task B */ 404 if (dev->ovenable) { 405 task |= 0x10; 406 ctrl |= SAA7134_MAIN_CTRL_TE1; 407 ov = dev->ovfield; 408 } 409 410 /* vbi capture -- dma 0 + vbi task A+B */ 411 if (dev->vbi_q.curr) { 412 task |= 0x22; 413 ctrl |= SAA7134_MAIN_CTRL_TE2 | 414 SAA7134_MAIN_CTRL_TE3; 415 irq |= SAA7134_IRQ1_INTE_RA0_7 | 416 SAA7134_IRQ1_INTE_RA0_6 | 417 SAA7134_IRQ1_INTE_RA0_5 | 418 SAA7134_IRQ1_INTE_RA0_4; 419 } 420 421 /* audio capture -- dma 3 */ 422 if (dev->dmasound.dma_running) { 423 ctrl |= SAA7134_MAIN_CTRL_TE6; 424 irq |= SAA7134_IRQ1_INTE_RA3_1 | 425 SAA7134_IRQ1_INTE_RA3_0; 426 } 427 428 /* TS capture -- dma 5 */ 429 if (dev->ts_q.curr) { 430 ctrl |= SAA7134_MAIN_CTRL_TE5; 431 irq |= SAA7134_IRQ1_INTE_RA2_1 | 432 SAA7134_IRQ1_INTE_RA2_0; 433 } 434 435 /* set task conditions + field handling */ 436 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) { 437 /* default config -- use full frames */ 438 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 439 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 440 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02); 441 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02); 442 split = 0; 443 } else { 444 /* split fields between tasks */ 445 if (V4L2_FIELD_TOP == cap) { 446 /* odd A, even B, repeat */ 447 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 448 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e); 449 } else { 450 /* odd B, even A, repeat */ 451 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e); 452 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 453 } 454 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01); 455 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01); 456 split = 1; 457 } 458 459 /* irqs */ 460 saa_writeb(SAA7134_REGION_ENABLE, task); 461 saa_writel(SAA7134_IRQ1, irq); 462 saa_andorl(SAA7134_MAIN_CTRL, 463 SAA7134_MAIN_CTRL_TE0 | 464 SAA7134_MAIN_CTRL_TE1 | 465 SAA7134_MAIN_CTRL_TE2 | 466 SAA7134_MAIN_CTRL_TE3 | 467 SAA7134_MAIN_CTRL_TE4 | 468 SAA7134_MAIN_CTRL_TE5 | 469 SAA7134_MAIN_CTRL_TE6, 470 ctrl); 471 core_dbg("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n", 472 task, ctrl, irq, split ? "no" : "yes"); 473 474 return 0; 475 } 476 477 /* ------------------------------------------------------------------ */ 478 /* IRQ handler + helpers */ 479 480 static char *irqbits[] = { 481 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3", 482 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC", 483 "TRIG_ERR", "CONF_ERR", "LOAD_ERR", 484 "GPIO16", "GPIO18", "GPIO22", "GPIO23" 485 }; 486 #define IRQBITS ARRAY_SIZE(irqbits) 487 488 static void print_irqstatus(struct saa7134_dev *dev, int loop, 489 unsigned long report, unsigned long status) 490 { 491 unsigned int i; 492 493 irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx", 494 loop, jiffies, report, status); 495 for (i = 0; i < IRQBITS; i++) { 496 if (!(report & (1 << i))) 497 continue; 498 pr_cont(" %s", irqbits[i]); 499 } 500 if (report & SAA7134_IRQ_REPORT_DONE_RA0) { 501 pr_cont(" | RA0=%s,%s,%s,%ld", 502 (status & 0x40) ? "vbi" : "video", 503 (status & 0x20) ? "b" : "a", 504 (status & 0x10) ? "odd" : "even", 505 (status & 0x0f)); 506 } 507 pr_cont("\n"); 508 } 509 510 static irqreturn_t saa7134_irq(int irq, void *dev_id) 511 { 512 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id; 513 unsigned long report,status; 514 int loop, handled = 0; 515 516 if (dev->insuspend) 517 goto out; 518 519 for (loop = 0; loop < 10; loop++) { 520 report = saa_readl(SAA7134_IRQ_REPORT); 521 status = saa_readl(SAA7134_IRQ_STATUS); 522 523 /* If dmasound support is active and we get a sound report, 524 * mask out the report and let the saa7134-alsa module deal 525 * with it */ 526 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) && 527 (dev->dmasound.priv_data != NULL) ) 528 { 529 irq_dbg(2, "preserving DMA sound interrupt\n"); 530 report &= ~SAA7134_IRQ_REPORT_DONE_RA3; 531 } 532 533 if (0 == report) { 534 irq_dbg(2, "no (more) work\n"); 535 goto out; 536 } 537 538 handled = 1; 539 saa_writel(SAA7134_IRQ_REPORT,report); 540 if (irq_debug) 541 print_irqstatus(dev,loop,report,status); 542 543 544 if ((report & SAA7134_IRQ_REPORT_RDCAP) || 545 (report & SAA7134_IRQ_REPORT_INTL)) 546 saa7134_irq_video_signalchange(dev); 547 548 549 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 550 (status & 0x60) == 0) 551 saa7134_irq_video_done(dev,status); 552 553 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 554 (status & 0x40) == 0x40) 555 saa7134_irq_vbi_done(dev,status); 556 557 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) && 558 card_has_mpeg(dev)) { 559 if (dev->mops->irq_ts_done != NULL) 560 dev->mops->irq_ts_done(dev, status); 561 else 562 saa7134_irq_ts_done(dev, status); 563 } 564 565 if (report & SAA7134_IRQ_REPORT_GPIO16) { 566 switch (dev->has_remote) { 567 case SAA7134_REMOTE_GPIO: 568 if (!dev->remote) 569 break; 570 if (dev->remote->mask_keydown & 0x10000) { 571 saa7134_input_irq(dev); 572 } 573 break; 574 575 case SAA7134_REMOTE_I2C: 576 break; /* FIXME: invoke I2C get_key() */ 577 578 default: /* GPIO16 not used by IR remote */ 579 break; 580 } 581 } 582 583 if (report & SAA7134_IRQ_REPORT_GPIO18) { 584 switch (dev->has_remote) { 585 case SAA7134_REMOTE_GPIO: 586 if (!dev->remote) 587 break; 588 if ((dev->remote->mask_keydown & 0x40000) || 589 (dev->remote->mask_keyup & 0x40000)) { 590 saa7134_input_irq(dev); 591 } 592 break; 593 594 case SAA7134_REMOTE_I2C: 595 break; /* FIXME: invoke I2C get_key() */ 596 597 default: /* GPIO18 not used by IR remote */ 598 break; 599 } 600 } 601 } 602 603 if (10 == loop) { 604 print_irqstatus(dev,loop,report,status); 605 if (report & SAA7134_IRQ_REPORT_PE) { 606 /* disable all parity error */ 607 pr_warn("%s/irq: looping -- clearing PE (parity error!) enable bit\n", 608 dev->name); 609 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE); 610 } else if (report & SAA7134_IRQ_REPORT_GPIO16) { 611 /* disable gpio16 IRQ */ 612 pr_warn("%s/irq: looping -- clearing GPIO16 enable bit\n", 613 dev->name); 614 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P); 615 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N); 616 } else if (report & SAA7134_IRQ_REPORT_GPIO18) { 617 /* disable gpio18 IRQs */ 618 pr_warn("%s/irq: looping -- clearing GPIO18 enable bit\n", 619 dev->name); 620 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P); 621 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N); 622 } else { 623 /* disable all irqs */ 624 pr_warn("%s/irq: looping -- clearing all enable bits\n", 625 dev->name); 626 saa_writel(SAA7134_IRQ1,0); 627 saa_writel(SAA7134_IRQ2,0); 628 } 629 } 630 631 out: 632 return IRQ_RETVAL(handled); 633 } 634 635 /* ------------------------------------------------------------------ */ 636 637 /* early init (no i2c, no irq) */ 638 639 static int saa7134_hw_enable1(struct saa7134_dev *dev) 640 { 641 /* RAM FIFO config */ 642 saa_writel(SAA7134_FIFO_SIZE, 0x08070503); 643 saa_writel(SAA7134_THRESHOULD, 0x02020202); 644 645 /* enable audio + video processing */ 646 saa_writel(SAA7134_MAIN_CTRL, 647 SAA7134_MAIN_CTRL_VPLLE | 648 SAA7134_MAIN_CTRL_APLLE | 649 SAA7134_MAIN_CTRL_EXOSC | 650 SAA7134_MAIN_CTRL_EVFE1 | 651 SAA7134_MAIN_CTRL_EVFE2 | 652 SAA7134_MAIN_CTRL_ESFE | 653 SAA7134_MAIN_CTRL_EBDAC); 654 655 /* 656 * Initialize OSS _after_ enabling audio clock PLL and audio processing. 657 * OSS initialization writes to registers via the audio DSP; these 658 * writes will fail unless the audio clock has been started. At worst, 659 * audio will not work. 660 */ 661 662 /* enable peripheral devices */ 663 saa_writeb(SAA7134_SPECIAL_MODE, 0x01); 664 665 /* set vertical line numbering start (vbi needs this) */ 666 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20); 667 668 return 0; 669 } 670 671 static int saa7134_hwinit1(struct saa7134_dev *dev) 672 { 673 core_dbg("hwinit1\n"); 674 675 saa_writel(SAA7134_IRQ1, 0); 676 saa_writel(SAA7134_IRQ2, 0); 677 678 /* Clear any stale IRQ reports */ 679 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 680 681 mutex_init(&dev->lock); 682 spin_lock_init(&dev->slock); 683 684 saa7134_track_gpio(dev,"pre-init"); 685 saa7134_video_init1(dev); 686 saa7134_vbi_init1(dev); 687 if (card_has_mpeg(dev)) 688 saa7134_ts_init1(dev); 689 saa7134_input_init1(dev); 690 691 saa7134_hw_enable1(dev); 692 693 return 0; 694 } 695 696 /* late init (with i2c + irq) */ 697 static int saa7134_hw_enable2(struct saa7134_dev *dev) 698 { 699 700 unsigned int irq2_mask; 701 702 /* enable IRQ's */ 703 irq2_mask = 704 SAA7134_IRQ2_INTE_DEC3 | 705 SAA7134_IRQ2_INTE_DEC2 | 706 SAA7134_IRQ2_INTE_DEC1 | 707 SAA7134_IRQ2_INTE_DEC0 | 708 SAA7134_IRQ2_INTE_PE | 709 SAA7134_IRQ2_INTE_AR; 710 711 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) { 712 if (dev->remote->mask_keydown & 0x10000) 713 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N; 714 else { /* Allow enabling both IRQ edge triggers */ 715 if (dev->remote->mask_keydown & 0x40000) 716 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P; 717 if (dev->remote->mask_keyup & 0x40000) 718 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N; 719 } 720 } 721 722 if (dev->has_remote == SAA7134_REMOTE_I2C) { 723 request_module("ir-kbd-i2c"); 724 } 725 726 saa_writel(SAA7134_IRQ1, 0); 727 saa_writel(SAA7134_IRQ2, irq2_mask); 728 729 return 0; 730 } 731 732 static int saa7134_hwinit2(struct saa7134_dev *dev) 733 { 734 735 core_dbg("hwinit2\n"); 736 737 saa7134_video_init2(dev); 738 saa7134_tvaudio_init2(dev); 739 740 saa7134_hw_enable2(dev); 741 742 return 0; 743 } 744 745 746 /* shutdown */ 747 static int saa7134_hwfini(struct saa7134_dev *dev) 748 { 749 core_dbg("hwfini\n"); 750 751 if (card_has_mpeg(dev)) 752 saa7134_ts_fini(dev); 753 saa7134_input_fini(dev); 754 saa7134_vbi_fini(dev); 755 saa7134_tvaudio_fini(dev); 756 saa7134_video_fini(dev); 757 return 0; 758 } 759 760 static void must_configure_manually(int has_eeprom) 761 { 762 unsigned int i,p; 763 764 if (!has_eeprom) 765 pr_warn("saa7134: <rant>\n" 766 "saa7134: Congratulations! Your TV card vendor saved a few\n" 767 "saa7134: cents for a eeprom, thus your pci board has no\n" 768 "saa7134: subsystem ID and I can't identify it automatically\n" 769 "saa7134: </rant>\n" 770 "saa7134: I feel better now. Ok, here are the good news:\n" 771 "saa7134: You can use the card=<nr> insmod option to specify\n" 772 "saa7134: which board do you have. The list:\n"); 773 else 774 pr_warn("saa7134: Board is currently unknown. You might try to use the card=<nr>\n" 775 "saa7134: insmod option to specify which board do you have, but this is\n" 776 "saa7134: somewhat risky, as might damage your card. It is better to ask\n" 777 "saa7134: for support at linux-media@vger.kernel.org.\n" 778 "saa7134: The supported cards are:\n"); 779 780 for (i = 0; i < saa7134_bcount; i++) { 781 pr_warn("saa7134: card=%d -> %-40.40s", 782 i,saa7134_boards[i].name); 783 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) { 784 if (saa7134_pci_tbl[p].driver_data != i) 785 continue; 786 pr_cont(" %04x:%04x", 787 saa7134_pci_tbl[p].subvendor, 788 saa7134_pci_tbl[p].subdevice); 789 } 790 pr_cont("\n"); 791 } 792 } 793 794 static void saa7134_unregister_media_device(struct saa7134_dev *dev) 795 { 796 797 #ifdef CONFIG_MEDIA_CONTROLLER 798 if (!dev->media_dev) 799 return; 800 media_device_unregister(dev->media_dev); 801 media_device_cleanup(dev->media_dev); 802 kfree(dev->media_dev); 803 dev->media_dev = NULL; 804 #endif 805 } 806 807 static void saa7134_media_release(struct saa7134_dev *dev) 808 { 809 #ifdef CONFIG_MEDIA_CONTROLLER 810 int i; 811 812 for (i = 0; i < SAA7134_INPUT_MAX + 1; i++) 813 media_device_unregister_entity(&dev->input_ent[i]); 814 #endif 815 } 816 817 #if defined(CONFIG_MEDIA_CONTROLLER) 818 static void saa7134_create_entities(struct saa7134_dev *dev) 819 { 820 int ret, i; 821 struct media_entity *entity; 822 struct media_entity *decoder = NULL; 823 824 /* Check if it is using an external analog TV demod */ 825 media_device_for_each_entity(entity, dev->media_dev) { 826 if (entity->function == MEDIA_ENT_F_ATV_DECODER) { 827 decoder = entity; 828 break; 829 } 830 } 831 832 /* 833 * saa713x is not using an external ATV demod. 834 * Register the internal one 835 */ 836 if (!decoder) { 837 dev->demod.name = "saa713x"; 838 dev->demod_pad[SAA7134_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 839 dev->demod_pad[SAA7134_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG; 840 dev->demod_pad[SAA7134_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 841 dev->demod_pad[SAA7134_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV; 842 dev->demod.function = MEDIA_ENT_F_ATV_DECODER; 843 844 ret = media_entity_pads_init(&dev->demod, SAA7134_NUM_PADS, 845 dev->demod_pad); 846 if (ret < 0) 847 pr_err("failed to initialize demod pad!\n"); 848 849 ret = media_device_register_entity(dev->media_dev, &dev->demod); 850 if (ret < 0) 851 pr_err("failed to register demod entity!\n"); 852 853 dev->decoder = &dev->demod; 854 } else { 855 dev->decoder = decoder; 856 } 857 858 /* Initialize Video, VBI and Radio pads */ 859 dev->video_pad.flags = MEDIA_PAD_FL_SINK; 860 ret = media_entity_pads_init(&dev->video_dev->entity, 1, 861 &dev->video_pad); 862 if (ret < 0) 863 pr_err("failed to initialize video media entity!\n"); 864 865 dev->vbi_pad.flags = MEDIA_PAD_FL_SINK; 866 ret = media_entity_pads_init(&dev->vbi_dev->entity, 1, 867 &dev->vbi_pad); 868 if (ret < 0) 869 pr_err("failed to initialize vbi media entity!\n"); 870 871 /* Create entities for each input connector */ 872 for (i = 0; i < SAA7134_INPUT_MAX; i++) { 873 struct media_entity *ent = &dev->input_ent[i]; 874 struct saa7134_input *in = &card_in(dev, i); 875 876 if (in->type == SAA7134_NO_INPUT) 877 break; 878 879 /* This input uses the S-Video connector */ 880 if (in->type == SAA7134_INPUT_COMPOSITE_OVER_SVIDEO) 881 continue; 882 883 ent->name = saa7134_input_name[in->type]; 884 ent->flags = MEDIA_ENT_FL_CONNECTOR; 885 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 886 887 switch (in->type) { 888 case SAA7134_INPUT_COMPOSITE: 889 case SAA7134_INPUT_COMPOSITE0: 890 case SAA7134_INPUT_COMPOSITE1: 891 case SAA7134_INPUT_COMPOSITE2: 892 case SAA7134_INPUT_COMPOSITE3: 893 case SAA7134_INPUT_COMPOSITE4: 894 ent->function = MEDIA_ENT_F_CONN_COMPOSITE; 895 break; 896 case SAA7134_INPUT_SVIDEO: 897 case SAA7134_INPUT_SVIDEO0: 898 case SAA7134_INPUT_SVIDEO1: 899 ent->function = MEDIA_ENT_F_CONN_SVIDEO; 900 break; 901 default: 902 /* 903 * SAA7134_INPUT_TV and SAA7134_INPUT_TV_MONO. 904 * 905 * Please notice that neither SAA7134_INPUT_MUTE or 906 * SAA7134_INPUT_RADIO are defined at 907 * saa7134_board.input. 908 */ 909 ent->function = MEDIA_ENT_F_CONN_RF; 910 break; 911 } 912 913 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); 914 if (ret < 0) 915 pr_err("failed to initialize input pad[%d]!\n", i); 916 917 ret = media_device_register_entity(dev->media_dev, ent); 918 if (ret < 0) 919 pr_err("failed to register input entity %d!\n", i); 920 } 921 922 /* Create input for Radio RF connector */ 923 if (card_has_radio(dev)) { 924 struct saa7134_input *in = &saa7134_boards[dev->board].radio; 925 struct media_entity *ent = &dev->input_ent[i]; 926 927 ent->name = saa7134_input_name[in->type]; 928 ent->flags = MEDIA_ENT_FL_CONNECTOR; 929 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 930 ent->function = MEDIA_ENT_F_CONN_RF; 931 932 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); 933 if (ret < 0) 934 pr_err("failed to initialize input pad[%d]!\n", i); 935 936 ret = media_device_register_entity(dev->media_dev, ent); 937 if (ret < 0) 938 pr_err("failed to register input entity %d!\n", i); 939 } 940 } 941 #endif 942 943 static struct video_device *vdev_init(struct saa7134_dev *dev, 944 struct video_device *template, 945 char *type) 946 { 947 struct video_device *vfd; 948 949 vfd = video_device_alloc(); 950 if (NULL == vfd) 951 return NULL; 952 *vfd = *template; 953 vfd->v4l2_dev = &dev->v4l2_dev; 954 vfd->release = video_device_release; 955 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", 956 dev->name, type, saa7134_boards[dev->board].name); 957 video_set_drvdata(vfd, dev); 958 return vfd; 959 } 960 961 static void saa7134_unregister_video(struct saa7134_dev *dev) 962 { 963 saa7134_media_release(dev); 964 965 if (dev->video_dev) { 966 if (video_is_registered(dev->video_dev)) 967 vb2_video_unregister_device(dev->video_dev); 968 else 969 video_device_release(dev->video_dev); 970 dev->video_dev = NULL; 971 } 972 if (dev->vbi_dev) { 973 if (video_is_registered(dev->vbi_dev)) 974 vb2_video_unregister_device(dev->vbi_dev); 975 else 976 video_device_release(dev->vbi_dev); 977 dev->vbi_dev = NULL; 978 } 979 if (dev->radio_dev) { 980 if (video_is_registered(dev->radio_dev)) 981 video_unregister_device(dev->radio_dev); 982 else 983 video_device_release(dev->radio_dev); 984 dev->radio_dev = NULL; 985 } 986 } 987 988 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops, 989 struct saa7134_dev *dev) 990 { 991 int err; 992 993 if (NULL != dev->mops) 994 return; 995 if (saa7134_boards[dev->board].mpeg != ops->type) 996 return; 997 err = ops->init(dev); 998 if (0 != err) 999 return; 1000 dev->mops = ops; 1001 } 1002 1003 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops, 1004 struct saa7134_dev *dev) 1005 { 1006 if (NULL == dev->mops) 1007 return; 1008 if (dev->mops != ops) 1009 return; 1010 dev->mops->fini(dev); 1011 dev->mops = NULL; 1012 } 1013 1014 static int saa7134_initdev(struct pci_dev *pci_dev, 1015 const struct pci_device_id *pci_id) 1016 { 1017 struct saa7134_dev *dev; 1018 struct saa7134_mpeg_ops *mops; 1019 int err; 1020 1021 if (saa7134_devcount == SAA7134_MAXBOARDS) 1022 return -ENOMEM; 1023 1024 dev = kzalloc(sizeof(*dev),GFP_KERNEL); 1025 if (NULL == dev) 1026 return -ENOMEM; 1027 1028 dev->nr = saa7134_devcount; 1029 sprintf(dev->name, "saa%x[%d]", pci_dev->device, dev->nr); 1030 1031 #ifdef CONFIG_MEDIA_CONTROLLER 1032 dev->media_dev = kzalloc(sizeof(*dev->media_dev), GFP_KERNEL); 1033 if (!dev->media_dev) { 1034 err = -ENOMEM; 1035 goto err_free_dev; 1036 } 1037 media_device_pci_init(dev->media_dev, pci_dev, dev->name); 1038 dev->v4l2_dev.mdev = dev->media_dev; 1039 #endif 1040 1041 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); 1042 if (err) 1043 goto err_free_dev; 1044 1045 /* pci init */ 1046 dev->pci = pci_dev; 1047 if (pci_enable_device(pci_dev)) { 1048 err = -EIO; 1049 goto err_v4l2_unregister; 1050 } 1051 1052 /* pci quirks */ 1053 if (pci_pci_problems) { 1054 if (pci_pci_problems & PCIPCI_TRITON) 1055 pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name); 1056 if (pci_pci_problems & PCIPCI_NATOMA) 1057 pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name); 1058 if (pci_pci_problems & PCIPCI_VIAETBF) 1059 pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name); 1060 if (pci_pci_problems & PCIPCI_VSFX) 1061 pr_info("%s: quirk: PCIPCI_VSFX\n", dev->name); 1062 #ifdef PCIPCI_ALIMAGIK 1063 if (pci_pci_problems & PCIPCI_ALIMAGIK) { 1064 pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", 1065 dev->name); 1066 latency = 0x0A; 1067 } 1068 #endif 1069 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) { 1070 pr_info("%s: quirk: this driver and your chipset may not work together in overlay mode.\n", 1071 dev->name); 1072 if (!saa7134_no_overlay) { 1073 pr_info("%s: quirk: overlay mode will be disabled.\n", 1074 dev->name); 1075 saa7134_no_overlay = 1; 1076 } else { 1077 pr_info("%s: quirk: overlay mode will be forced. Use this option at your own risk.\n", 1078 dev->name); 1079 } 1080 } 1081 } 1082 if (UNSET != latency) { 1083 pr_info("%s: setting pci latency timer to %d\n", 1084 dev->name,latency); 1085 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); 1086 } 1087 1088 /* print pci info */ 1089 dev->pci_rev = pci_dev->revision; 1090 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); 1091 pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n", 1092 dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq, 1093 dev->pci_lat, 1094 (unsigned long long)pci_resource_start(pci_dev, 0)); 1095 pci_set_master(pci_dev); 1096 err = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32)); 1097 if (err) { 1098 pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name); 1099 goto err_v4l2_unregister; 1100 } 1101 1102 /* board config */ 1103 dev->board = pci_id->driver_data; 1104 if ((unsigned)card[dev->nr] < saa7134_bcount) 1105 dev->board = card[dev->nr]; 1106 if (SAA7134_BOARD_UNKNOWN == dev->board) 1107 must_configure_manually(0); 1108 else if (SAA7134_BOARD_NOAUTO == dev->board) { 1109 must_configure_manually(1); 1110 dev->board = SAA7134_BOARD_UNKNOWN; 1111 } 1112 dev->autodetected = card[dev->nr] != dev->board; 1113 dev->tuner_type = saa7134_boards[dev->board].tuner_type; 1114 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr; 1115 dev->radio_type = saa7134_boards[dev->board].radio_type; 1116 dev->radio_addr = saa7134_boards[dev->board].radio_addr; 1117 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf; 1118 if (UNSET != tuner[dev->nr]) 1119 dev->tuner_type = tuner[dev->nr]; 1120 pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", 1121 dev->name,pci_dev->subsystem_vendor, 1122 pci_dev->subsystem_device,saa7134_boards[dev->board].name, 1123 dev->board, dev->autodetected ? 1124 "autodetected" : "insmod option"); 1125 1126 /* get mmio */ 1127 if (!request_mem_region(pci_resource_start(pci_dev,0), 1128 pci_resource_len(pci_dev,0), 1129 dev->name)) { 1130 err = -EBUSY; 1131 pr_err("%s: can't get MMIO memory @ 0x%llx\n", 1132 dev->name,(unsigned long long)pci_resource_start(pci_dev,0)); 1133 goto err_v4l2_unregister; 1134 } 1135 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0), 1136 pci_resource_len(pci_dev, 0)); 1137 dev->bmmio = (__u8 __iomem *)dev->lmmio; 1138 if (NULL == dev->lmmio) { 1139 err = -EIO; 1140 pr_err("%s: can't ioremap() MMIO memory\n", 1141 dev->name); 1142 goto err_release_mem_reg; 1143 } 1144 1145 /* initialize hardware #1 */ 1146 saa7134_board_init1(dev); 1147 saa7134_hwinit1(dev); 1148 1149 /* get irq */ 1150 err = request_irq(pci_dev->irq, saa7134_irq, 1151 IRQF_SHARED, dev->name, dev); 1152 if (err < 0) { 1153 pr_err("%s: can't get IRQ %d\n", 1154 dev->name,pci_dev->irq); 1155 goto err_iounmap; 1156 } 1157 1158 /* wait a bit, register i2c bus */ 1159 msleep(100); 1160 saa7134_i2c_register(dev); 1161 saa7134_board_init2(dev); 1162 1163 saa7134_hwinit2(dev); 1164 1165 /* load i2c helpers */ 1166 if (card_is_empress(dev)) { 1167 dev->empress_sd = 1168 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, 1169 "saa6752hs", 1170 saa7134_boards[dev->board].empress_addr, NULL); 1171 1172 if (dev->empress_sd) 1173 dev->empress_sd->grp_id = GRP_EMPRESS; 1174 } 1175 1176 if (saa7134_boards[dev->board].rds_addr) { 1177 struct v4l2_subdev *sd; 1178 1179 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1180 &dev->i2c_adap, "saa6588", 1181 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr)); 1182 if (sd) { 1183 pr_info("%s: found RDS decoder\n", dev->name); 1184 dev->has_rds = 1; 1185 } 1186 } 1187 1188 mutex_lock(&saa7134_devlist_lock); 1189 list_for_each_entry(mops, &mops_list, next) 1190 mpeg_ops_attach(mops, dev); 1191 list_add_tail(&dev->devlist, &saa7134_devlist); 1192 mutex_unlock(&saa7134_devlist_lock); 1193 1194 /* check for signal */ 1195 saa7134_irq_video_signalchange(dev); 1196 1197 if (TUNER_ABSENT != dev->tuner_type) 1198 saa_call_all(dev, core, s_power, 0); 1199 1200 /* register v4l devices */ 1201 if (saa7134_no_overlay > 0) 1202 pr_info("%s: Overlay support disabled.\n", dev->name); 1203 1204 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); 1205 dev->video_dev->ctrl_handler = &dev->ctrl_handler; 1206 dev->video_dev->lock = &dev->lock; 1207 dev->video_dev->queue = &dev->video_vbq; 1208 dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1209 V4L2_CAP_VIDEO_CAPTURE; 1210 if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET) 1211 dev->video_dev->device_caps |= V4L2_CAP_TUNER; 1212 1213 if (saa7134_no_overlay <= 0) 1214 dev->video_dev->device_caps |= V4L2_CAP_VIDEO_OVERLAY; 1215 1216 err = video_register_device(dev->video_dev,VFL_TYPE_VIDEO, 1217 video_nr[dev->nr]); 1218 if (err < 0) { 1219 pr_info("%s: can't register video device\n", 1220 dev->name); 1221 goto err_unregister_video; 1222 } 1223 pr_info("%s: registered device %s [v4l2]\n", 1224 dev->name, video_device_node_name(dev->video_dev)); 1225 1226 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi"); 1227 dev->vbi_dev->ctrl_handler = &dev->ctrl_handler; 1228 dev->vbi_dev->lock = &dev->lock; 1229 dev->vbi_dev->queue = &dev->vbi_vbq; 1230 dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1231 V4L2_CAP_VBI_CAPTURE; 1232 if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET) 1233 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER; 1234 1235 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, 1236 vbi_nr[dev->nr]); 1237 if (err < 0) 1238 goto err_unregister_video; 1239 pr_info("%s: registered device %s\n", 1240 dev->name, video_device_node_name(dev->vbi_dev)); 1241 1242 if (card_has_radio(dev)) { 1243 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio"); 1244 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler; 1245 dev->radio_dev->lock = &dev->lock; 1246 dev->radio_dev->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER; 1247 if (dev->has_rds) 1248 dev->radio_dev->device_caps |= V4L2_CAP_RDS_CAPTURE; 1249 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, 1250 radio_nr[dev->nr]); 1251 if (err < 0) 1252 goto err_unregister_video; 1253 pr_info("%s: registered device %s\n", 1254 dev->name, video_device_node_name(dev->radio_dev)); 1255 } 1256 1257 #ifdef CONFIG_MEDIA_CONTROLLER 1258 saa7134_create_entities(dev); 1259 1260 err = v4l2_mc_create_media_graph(dev->media_dev); 1261 if (err) { 1262 pr_err("failed to create media graph\n"); 1263 goto err_unregister_video; 1264 } 1265 #endif 1266 /* everything worked */ 1267 saa7134_devcount++; 1268 1269 if (saa7134_dmasound_init && !dev->dmasound.priv_data) 1270 saa7134_dmasound_init(dev); 1271 1272 request_submodules(dev); 1273 1274 /* 1275 * Do it at the end, to reduce dynamic configuration changes during 1276 * the device init. Yet, as request_modules() can be async, the 1277 * topology will likely change after load the saa7134 subdrivers. 1278 */ 1279 #ifdef CONFIG_MEDIA_CONTROLLER 1280 err = media_device_register(dev->media_dev); 1281 if (err) { 1282 media_device_cleanup(dev->media_dev); 1283 goto err_unregister_video; 1284 } 1285 #endif 1286 1287 return 0; 1288 1289 err_unregister_video: 1290 saa7134_unregister_video(dev); 1291 list_del(&dev->devlist); 1292 saa7134_i2c_unregister(dev); 1293 free_irq(pci_dev->irq, dev); 1294 err_iounmap: 1295 saa7134_hwfini(dev); 1296 iounmap(dev->lmmio); 1297 err_release_mem_reg: 1298 release_mem_region(pci_resource_start(pci_dev,0), 1299 pci_resource_len(pci_dev,0)); 1300 err_v4l2_unregister: 1301 v4l2_device_unregister(&dev->v4l2_dev); 1302 err_free_dev: 1303 #ifdef CONFIG_MEDIA_CONTROLLER 1304 kfree(dev->media_dev); 1305 #endif 1306 kfree(dev); 1307 return err; 1308 } 1309 1310 static void saa7134_finidev(struct pci_dev *pci_dev) 1311 { 1312 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1313 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1314 struct saa7134_mpeg_ops *mops; 1315 1316 flush_request_submodules(dev); 1317 1318 /* Release DMA sound modules if present */ 1319 if (saa7134_dmasound_exit && dev->dmasound.priv_data) { 1320 saa7134_dmasound_exit(dev); 1321 } 1322 1323 /* debugging ... */ 1324 if (irq_debug) { 1325 u32 report = saa_readl(SAA7134_IRQ_REPORT); 1326 u32 status = saa_readl(SAA7134_IRQ_STATUS); 1327 print_irqstatus(dev,42,report,status); 1328 } 1329 1330 /* disable peripheral devices */ 1331 saa_writeb(SAA7134_SPECIAL_MODE,0); 1332 1333 /* shutdown hardware */ 1334 saa_writel(SAA7134_IRQ1,0); 1335 saa_writel(SAA7134_IRQ2,0); 1336 saa_writel(SAA7134_MAIN_CTRL,0); 1337 1338 /* shutdown subsystems */ 1339 saa7134_hwfini(dev); 1340 1341 /* unregister */ 1342 mutex_lock(&saa7134_devlist_lock); 1343 list_del(&dev->devlist); 1344 list_for_each_entry(mops, &mops_list, next) 1345 mpeg_ops_detach(mops, dev); 1346 mutex_unlock(&saa7134_devlist_lock); 1347 saa7134_devcount--; 1348 1349 saa7134_i2c_unregister(dev); 1350 saa7134_unregister_video(dev); 1351 1352 1353 /* the DMA sound modules should be unloaded before reaching 1354 this, but just in case they are still present... */ 1355 if (dev->dmasound.priv_data != NULL) { 1356 free_irq(pci_dev->irq, &dev->dmasound); 1357 dev->dmasound.priv_data = NULL; 1358 } 1359 1360 1361 /* release resources */ 1362 free_irq(pci_dev->irq, dev); 1363 iounmap(dev->lmmio); 1364 release_mem_region(pci_resource_start(pci_dev,0), 1365 pci_resource_len(pci_dev,0)); 1366 1367 v4l2_device_unregister(&dev->v4l2_dev); 1368 1369 saa7134_unregister_media_device(dev); 1370 1371 /* free memory */ 1372 kfree(dev); 1373 } 1374 1375 /* resends a current buffer in queue after resume */ 1376 static int __maybe_unused 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 __maybe_unused saa7134_suspend(struct device *dev_d) 1401 { 1402 struct pci_dev *pci_dev = to_pci_dev(dev_d); 1403 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1404 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1405 1406 /* disable overlay - apps should enable it explicitly on resume*/ 1407 dev->ovenable = 0; 1408 1409 /* Disable interrupts, DMA, and rest of the chip*/ 1410 saa_writel(SAA7134_IRQ1, 0); 1411 saa_writel(SAA7134_IRQ2, 0); 1412 saa_writel(SAA7134_MAIN_CTRL, 0); 1413 1414 dev->insuspend = 1; 1415 synchronize_irq(pci_dev->irq); 1416 1417 /* ACK interrupts once more, just in case, 1418 since the IRQ handler won't ack them anymore*/ 1419 1420 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 1421 1422 /* Disable timeout timers - if we have active buffers, we will 1423 fill them on resume*/ 1424 1425 del_timer(&dev->video_q.timeout); 1426 del_timer(&dev->vbi_q.timeout); 1427 del_timer(&dev->ts_q.timeout); 1428 1429 if (dev->remote && dev->remote->dev->users) 1430 saa7134_ir_close(dev->remote->dev); 1431 1432 return 0; 1433 } 1434 1435 static int __maybe_unused saa7134_resume(struct device *dev_d) 1436 { 1437 struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d); 1438 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1439 unsigned long flags; 1440 1441 /* Do things that are done in saa7134_initdev , 1442 except of initializing memory structures.*/ 1443 1444 saa7134_board_init1(dev); 1445 1446 /* saa7134_hwinit1 */ 1447 if (saa7134_boards[dev->board].video_out) 1448 saa7134_videoport_init(dev); 1449 if (card_has_mpeg(dev)) 1450 saa7134_ts_init_hw(dev); 1451 if (dev->remote && dev->remote->dev->users) 1452 saa7134_ir_open(dev->remote->dev); 1453 saa7134_hw_enable1(dev); 1454 1455 msleep(100); 1456 1457 saa7134_board_init2(dev); 1458 1459 /*saa7134_hwinit2*/ 1460 saa7134_set_tvnorm_hw(dev); 1461 saa7134_tvaudio_setmute(dev); 1462 saa7134_tvaudio_setvolume(dev, dev->ctl_volume); 1463 saa7134_tvaudio_init(dev); 1464 saa7134_enable_i2s(dev); 1465 saa7134_hw_enable2(dev); 1466 1467 saa7134_irq_video_signalchange(dev); 1468 1469 /*resume unfinished buffer(s)*/ 1470 spin_lock_irqsave(&dev->slock, flags); 1471 saa7134_buffer_requeue(dev, &dev->video_q); 1472 saa7134_buffer_requeue(dev, &dev->vbi_q); 1473 saa7134_buffer_requeue(dev, &dev->ts_q); 1474 1475 /* FIXME: Disable DMA audio sound - temporary till proper support 1476 is implemented*/ 1477 1478 dev->dmasound.dma_running = 0; 1479 1480 /* start DMA now*/ 1481 dev->insuspend = 0; 1482 smp_wmb(); 1483 saa7134_set_dmabits(dev); 1484 spin_unlock_irqrestore(&dev->slock, flags); 1485 1486 return 0; 1487 } 1488 1489 /* ----------------------------------------------------------- */ 1490 1491 int saa7134_ts_register(struct saa7134_mpeg_ops *ops) 1492 { 1493 struct saa7134_dev *dev; 1494 1495 mutex_lock(&saa7134_devlist_lock); 1496 list_for_each_entry(dev, &saa7134_devlist, devlist) 1497 mpeg_ops_attach(ops, dev); 1498 list_add_tail(&ops->next,&mops_list); 1499 mutex_unlock(&saa7134_devlist_lock); 1500 return 0; 1501 } 1502 1503 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) 1504 { 1505 struct saa7134_dev *dev; 1506 1507 mutex_lock(&saa7134_devlist_lock); 1508 list_del(&ops->next); 1509 list_for_each_entry(dev, &saa7134_devlist, devlist) 1510 mpeg_ops_detach(ops, dev); 1511 mutex_unlock(&saa7134_devlist_lock); 1512 } 1513 1514 EXPORT_SYMBOL(saa7134_ts_register); 1515 EXPORT_SYMBOL(saa7134_ts_unregister); 1516 1517 /* ----------------------------------------------------------- */ 1518 1519 static SIMPLE_DEV_PM_OPS(saa7134_pm_ops, saa7134_suspend, saa7134_resume); 1520 1521 static struct pci_driver saa7134_pci_driver = { 1522 .name = "saa7134", 1523 .id_table = saa7134_pci_tbl, 1524 .probe = saa7134_initdev, 1525 .remove = saa7134_finidev, 1526 .driver.pm = &saa7134_pm_ops, 1527 }; 1528 1529 static int __init saa7134_init(void) 1530 { 1531 pr_info("saa7130/34: v4l2 driver version %s loaded\n", 1532 SAA7134_VERSION); 1533 return pci_register_driver(&saa7134_pci_driver); 1534 } 1535 1536 static void __exit saa7134_fini(void) 1537 { 1538 pci_unregister_driver(&saa7134_pci_driver); 1539 } 1540 1541 module_init(saa7134_init); 1542 module_exit(saa7134_fini); 1543 1544 /* ----------------------------------------------------------- */ 1545 1546 EXPORT_SYMBOL(saa7134_set_gpio); 1547 EXPORT_SYMBOL(saa7134_boards); 1548 1549 /* ----------------- for the DMA sound modules --------------- */ 1550 1551 EXPORT_SYMBOL(saa7134_dmasound_init); 1552 EXPORT_SYMBOL(saa7134_dmasound_exit); 1553 EXPORT_SYMBOL(saa7134_pgtable_free); 1554 EXPORT_SYMBOL(saa7134_pgtable_build); 1555 EXPORT_SYMBOL(saa7134_pgtable_alloc); 1556 EXPORT_SYMBOL(saa7134_set_dmabits); 1557