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 26MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards"); 27MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); 28MODULE_LICENSE("GPL"); 29MODULE_VERSION(SAA7134_VERSION); 30 31 32/* ------------------------------------------------------------------ */ 33 34static unsigned int irq_debug; 35module_param(irq_debug, int, 0644); 36MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); 37 38static unsigned int core_debug; 39module_param(core_debug, int, 0644); 40MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); 41 42static unsigned int gpio_tracking; 43module_param(gpio_tracking, int, 0644); 44MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]"); 45 46static unsigned int alsa = 1; 47module_param(alsa, int, 0644); 48MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]"); 49 50static unsigned int latency = UNSET; 51module_param(latency, int, 0444); 52MODULE_PARM_DESC(latency,"pci latency timer"); 53 54bool saa7134_userptr; 55module_param(saa7134_userptr, bool, 0644); 56MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support"); 57 58static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 59static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 60static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 61static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 62static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; 63 64 65module_param_array(video_nr, int, NULL, 0444); 66module_param_array(vbi_nr, int, NULL, 0444); 67module_param_array(radio_nr, int, NULL, 0444); 68module_param_array(tuner, int, NULL, 0444); 69module_param_array(card, int, NULL, 0444); 70 71MODULE_PARM_DESC(video_nr, "video device number"); 72MODULE_PARM_DESC(vbi_nr, "vbi device number"); 73MODULE_PARM_DESC(radio_nr, "radio device number"); 74MODULE_PARM_DESC(tuner, "tuner type"); 75MODULE_PARM_DESC(card, "card type"); 76 77DEFINE_MUTEX(saa7134_devlist_lock); 78EXPORT_SYMBOL(saa7134_devlist_lock); 79LIST_HEAD(saa7134_devlist); 80EXPORT_SYMBOL(saa7134_devlist); 81static LIST_HEAD(mops_list); 82static unsigned int saa7134_devcount; 83 84int (*saa7134_dmasound_init)(struct saa7134_dev *dev); 85int (*saa7134_dmasound_exit)(struct saa7134_dev *dev); 86 87#define core_dbg(fmt, arg...) do { \ 88 if (core_debug) \ 89 printk(KERN_DEBUG pr_fmt("core: " fmt), ## arg); \ 90 } while (0) 91 92#define irq_dbg(level, fmt, arg...) do {\ 93 if (irq_debug > level) \ 94 printk(KERN_DEBUG pr_fmt("irq: " fmt), ## arg); \ 95 } while (0) 96 97void saa7134_track_gpio(struct saa7134_dev *dev, const char *msg) 98{ 99 unsigned long mode,status; 100 101 if (!gpio_tracking) 102 return; 103 /* rising SAA7134_GPIO_GPRESCAN reads the status */ 104 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0); 105 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN); 106 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff; 107 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff; 108 core_dbg("%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n", 109 dev->name, mode, (~mode) & status, mode & status, msg); 110} 111 112void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value) 113{ 114 u32 index, bitval; 115 116 index = 1 << bit_no; 117 switch (value) { 118 case 0: /* static value */ 119 case 1: 120 core_dbg("setting GPIO%d to static %d\n", bit_no, value); 121 /* turn sync mode off if necessary */ 122 if (index & 0x00c00000) 123 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00); 124 if (value) 125 bitval = index; 126 else 127 bitval = 0; 128 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index); 129 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval); 130 break; 131 case 3: /* tristate */ 132 core_dbg("setting GPIO%d to tristate\n", bit_no); 133 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0); 134 break; 135 } 136} 137 138/* ------------------------------------------------------------------ */ 139 140 141/* ----------------------------------------------------------- */ 142/* delayed request_module */ 143 144#if defined(CONFIG_MODULES) && defined(MODULE) 145 146static void request_module_async(struct work_struct *work){ 147 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk); 148 if (card_is_empress(dev)) 149 request_module("saa7134-empress"); 150 if (card_is_dvb(dev)) 151 request_module("saa7134-dvb"); 152 if (card_is_go7007(dev)) 153 request_module("saa7134-go7007"); 154 if (alsa) { 155 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130) 156 request_module("saa7134-alsa"); 157 } 158} 159 160static void request_submodules(struct saa7134_dev *dev) 161{ 162 INIT_WORK(&dev->request_module_wk, request_module_async); 163 schedule_work(&dev->request_module_wk); 164} 165 166static void flush_request_submodules(struct saa7134_dev *dev) 167{ 168 flush_work(&dev->request_module_wk); 169} 170 171#else 172#define request_submodules(dev) 173#define flush_request_submodules(dev) 174#endif /* CONFIG_MODULES */ 175 176/* ------------------------------------------------------------------ */ 177 178/* nr of (saa7134-)pages for the given buffer size */ 179static int saa7134_buffer_pages(int size) 180{ 181 size = PAGE_ALIGN(size); 182 size += PAGE_SIZE; /* for non-page-aligned buffers */ 183 size /= 4096; 184 return size; 185} 186 187/* calc max # of buffers from size (must not exceed the 4MB virtual 188 * address space per DMA channel) */ 189int saa7134_buffer_count(unsigned int size, unsigned int count) 190{ 191 unsigned int maxcount; 192 193 maxcount = 1024 / saa7134_buffer_pages(size); 194 if (count > maxcount) 195 count = maxcount; 196 return count; 197} 198 199int saa7134_buffer_startpage(struct saa7134_buf *buf) 200{ 201 return saa7134_buffer_pages(vb2_plane_size(&buf->vb2.vb2_buf, 0)) 202 * buf->vb2.vb2_buf.index; 203} 204 205unsigned long saa7134_buffer_base(struct saa7134_buf *buf) 206{ 207 unsigned long base; 208 struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2.vb2_buf, 0); 209 210 base = saa7134_buffer_startpage(buf) * 4096; 211 base += dma->sgl[0].offset; 212 return base; 213} 214 215/* ------------------------------------------------------------------ */ 216 217int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt) 218{ 219 __le32 *cpu; 220 dma_addr_t dma_addr = 0; 221 222 cpu = dma_alloc_coherent(&pci->dev, SAA7134_PGTABLE_SIZE, &dma_addr, 223 GFP_KERNEL); 224 if (NULL == cpu) 225 return -ENOMEM; 226 pt->size = SAA7134_PGTABLE_SIZE; 227 pt->cpu = cpu; 228 pt->dma = dma_addr; 229 return 0; 230} 231 232int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt, 233 struct scatterlist *list, unsigned int length, 234 unsigned int startpage) 235{ 236 __le32 *ptr; 237 unsigned int i, p; 238 239 BUG_ON(NULL == pt || NULL == pt->cpu); 240 241 ptr = pt->cpu + startpage; 242 for (i = 0; i < length; i++, list = sg_next(list)) { 243 for (p = 0; p * 4096 < sg_dma_len(list); p++, ptr++) 244 *ptr = cpu_to_le32(sg_dma_address(list) + 245 list->offset + p * 4096); 246 } 247 return 0; 248} 249 250void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt) 251{ 252 if (NULL == pt->cpu) 253 return; 254 dma_free_coherent(&pci->dev, pt->size, pt->cpu, pt->dma); 255 pt->cpu = NULL; 256} 257 258/* ------------------------------------------------------------------ */ 259 260int saa7134_buffer_queue(struct saa7134_dev *dev, 261 struct saa7134_dmaqueue *q, 262 struct saa7134_buf *buf) 263{ 264 struct saa7134_buf *next = NULL; 265 unsigned long flags; 266 267 spin_lock_irqsave(&dev->slock, flags); 268 core_dbg("buffer_queue %p\n", buf); 269 if (NULL == q->curr) { 270 if (!q->need_two) { 271 q->curr = buf; 272 buf->activate(dev, buf, NULL); 273 } else if (list_empty(&q->queue)) { 274 list_add_tail(&buf->entry, &q->queue); 275 } else { 276 next = list_entry(q->queue.next, struct saa7134_buf, 277 entry); 278 q->curr = buf; 279 buf->activate(dev, buf, next); 280 } 281 } else { 282 list_add_tail(&buf->entry, &q->queue); 283 } 284 spin_unlock_irqrestore(&dev->slock, flags); 285 return 0; 286} 287 288void saa7134_buffer_finish(struct saa7134_dev *dev, 289 struct saa7134_dmaqueue *q, 290 unsigned int state) 291{ 292 core_dbg("buffer_finish %p\n", q->curr); 293 294 /* finish current buffer */ 295 q->curr->vb2.vb2_buf.timestamp = ktime_get_ns(); 296 q->curr->vb2.sequence = q->seq_nr++; 297 vb2_buffer_done(&q->curr->vb2.vb2_buf, state); 298 q->curr = NULL; 299} 300 301void saa7134_buffer_next(struct saa7134_dev *dev, 302 struct saa7134_dmaqueue *q) 303{ 304 struct saa7134_buf *buf,*next = NULL; 305 306 assert_spin_locked(&dev->slock); 307 BUG_ON(NULL != q->curr); 308 309 if (!list_empty(&q->queue)) { 310 /* activate next one from queue */ 311 buf = list_entry(q->queue.next, struct saa7134_buf, entry); 312 core_dbg("buffer_next %p [prev=%p/next=%p]\n", 313 buf, q->queue.prev, q->queue.next); 314 list_del(&buf->entry); 315 if (!list_empty(&q->queue)) 316 next = list_entry(q->queue.next, struct saa7134_buf, entry); 317 q->curr = buf; 318 buf->activate(dev, buf, next); 319 core_dbg("buffer_next #2 prev=%p/next=%p\n", 320 q->queue.prev, q->queue.next); 321 } else { 322 /* nothing to do -- just stop DMA */ 323 core_dbg("buffer_next %p\n", NULL); 324 saa7134_set_dmabits(dev); 325 del_timer(&q->timeout); 326 } 327} 328 329void saa7134_buffer_timeout(struct timer_list *t) 330{ 331 struct saa7134_dmaqueue *q = from_timer(q, t, timeout); 332 struct saa7134_dev *dev = q->dev; 333 unsigned long flags; 334 335 spin_lock_irqsave(&dev->slock, flags); 336 337 /* try to reset the hardware (SWRST) */ 338 saa_writeb(SAA7134_REGION_ENABLE, 0x00); 339 saa_writeb(SAA7134_REGION_ENABLE, 0x80); 340 saa_writeb(SAA7134_REGION_ENABLE, 0x00); 341 342 /* flag current buffer as failed, 343 try to start over with the next one. */ 344 if (q->curr) { 345 core_dbg("timeout on %p\n", q->curr); 346 saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR); 347 } 348 saa7134_buffer_next(dev, q); 349 spin_unlock_irqrestore(&dev->slock, flags); 350} 351 352void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q) 353{ 354 unsigned long flags; 355 struct list_head *pos, *n; 356 struct saa7134_buf *tmp; 357 358 spin_lock_irqsave(&dev->slock, flags); 359 list_for_each_safe(pos, n, &q->queue) { 360 tmp = list_entry(pos, struct saa7134_buf, entry); 361 vb2_buffer_done(&tmp->vb2.vb2_buf, 362 VB2_BUF_STATE_ERROR); 363 list_del(pos); 364 tmp = NULL; 365 } 366 spin_unlock_irqrestore(&dev->slock, flags); 367 saa7134_buffer_timeout(&q->timeout); /* also calls del_timer(&q->timeout) */ 368} 369EXPORT_SYMBOL_GPL(saa7134_stop_streaming); 370 371/* ------------------------------------------------------------------ */ 372 373int saa7134_set_dmabits(struct saa7134_dev *dev) 374{ 375 u32 split, task=0, ctrl=0, irq=0; 376 enum v4l2_field cap = V4L2_FIELD_ANY; 377 enum v4l2_field ov = V4L2_FIELD_ANY; 378 379 assert_spin_locked(&dev->slock); 380 381 if (dev->insuspend) 382 return 0; 383 384 /* video capture -- dma 0 + video task A */ 385 if (dev->video_q.curr) { 386 task |= 0x01; 387 ctrl |= SAA7134_MAIN_CTRL_TE0; 388 irq |= SAA7134_IRQ1_INTE_RA0_1 | 389 SAA7134_IRQ1_INTE_RA0_0; 390 cap = dev->field; 391 } 392 393 /* video capture -- dma 1+2 (planar modes) */ 394 if (dev->video_q.curr && dev->fmt->planar) { 395 ctrl |= SAA7134_MAIN_CTRL_TE4 | 396 SAA7134_MAIN_CTRL_TE5; 397 } 398 399 /* vbi capture -- dma 0 + vbi task A+B */ 400 if (dev->vbi_q.curr) { 401 task |= 0x22; 402 ctrl |= SAA7134_MAIN_CTRL_TE2 | 403 SAA7134_MAIN_CTRL_TE3; 404 irq |= SAA7134_IRQ1_INTE_RA0_7 | 405 SAA7134_IRQ1_INTE_RA0_6 | 406 SAA7134_IRQ1_INTE_RA0_5 | 407 SAA7134_IRQ1_INTE_RA0_4; 408 } 409 410 /* audio capture -- dma 3 */ 411 if (dev->dmasound.dma_running) { 412 ctrl |= SAA7134_MAIN_CTRL_TE6; 413 irq |= SAA7134_IRQ1_INTE_RA3_1 | 414 SAA7134_IRQ1_INTE_RA3_0; 415 } 416 417 /* TS capture -- dma 5 */ 418 if (dev->ts_q.curr) { 419 ctrl |= SAA7134_MAIN_CTRL_TE5; 420 irq |= SAA7134_IRQ1_INTE_RA2_1 | 421 SAA7134_IRQ1_INTE_RA2_0; 422 } 423 424 /* set task conditions + field handling */ 425 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) { 426 /* default config -- use full frames */ 427 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 428 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 429 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02); 430 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02); 431 split = 0; 432 } else { 433 /* split fields between tasks */ 434 if (V4L2_FIELD_TOP == cap) { 435 /* odd A, even B, repeat */ 436 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); 437 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e); 438 } else { 439 /* odd B, even A, repeat */ 440 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e); 441 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); 442 } 443 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01); 444 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01); 445 split = 1; 446 } 447 448 /* irqs */ 449 saa_writeb(SAA7134_REGION_ENABLE, task); 450 saa_writel(SAA7134_IRQ1, irq); 451 saa_andorl(SAA7134_MAIN_CTRL, 452 SAA7134_MAIN_CTRL_TE0 | 453 SAA7134_MAIN_CTRL_TE1 | 454 SAA7134_MAIN_CTRL_TE2 | 455 SAA7134_MAIN_CTRL_TE3 | 456 SAA7134_MAIN_CTRL_TE4 | 457 SAA7134_MAIN_CTRL_TE5 | 458 SAA7134_MAIN_CTRL_TE6, 459 ctrl); 460 core_dbg("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n", 461 task, ctrl, irq, split ? "no" : "yes"); 462 463 return 0; 464} 465 466/* ------------------------------------------------------------------ */ 467/* IRQ handler + helpers */ 468 469static char *irqbits[] = { 470 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3", 471 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC", 472 "TRIG_ERR", "CONF_ERR", "LOAD_ERR", 473 "GPIO16", "GPIO18", "GPIO22", "GPIO23" 474}; 475#define IRQBITS ARRAY_SIZE(irqbits) 476 477static void print_irqstatus(struct saa7134_dev *dev, int loop, 478 unsigned long report, unsigned long status) 479{ 480 unsigned int i; 481 482 irq_dbg(1, "[%d,%ld]: r=0x%lx s=0x%02lx", 483 loop, jiffies, report, status); 484 for (i = 0; i < IRQBITS; i++) { 485 if (!(report & (1 << i))) 486 continue; 487 pr_cont(" %s", irqbits[i]); 488 } 489 if (report & SAA7134_IRQ_REPORT_DONE_RA0) { 490 pr_cont(" | RA0=%s,%s,%s,%ld", 491 (status & 0x40) ? "vbi" : "video", 492 (status & 0x20) ? "b" : "a", 493 (status & 0x10) ? "odd" : "even", 494 (status & 0x0f)); 495 } 496 pr_cont("\n"); 497} 498 499static irqreturn_t saa7134_irq(int irq, void *dev_id) 500{ 501 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id; 502 unsigned long report,status; 503 int loop, handled = 0; 504 505 if (dev->insuspend) 506 goto out; 507 508 for (loop = 0; loop < 10; loop++) { 509 report = saa_readl(SAA7134_IRQ_REPORT); 510 status = saa_readl(SAA7134_IRQ_STATUS); 511 512 /* If dmasound support is active and we get a sound report, 513 * mask out the report and let the saa7134-alsa module deal 514 * with it */ 515 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) && 516 (dev->dmasound.priv_data != NULL) ) 517 { 518 irq_dbg(2, "preserving DMA sound interrupt\n"); 519 report &= ~SAA7134_IRQ_REPORT_DONE_RA3; 520 } 521 522 if (0 == report) { 523 irq_dbg(2, "no (more) work\n"); 524 goto out; 525 } 526 527 handled = 1; 528 saa_writel(SAA7134_IRQ_REPORT,report); 529 if (irq_debug) 530 print_irqstatus(dev,loop,report,status); 531 532 533 if ((report & SAA7134_IRQ_REPORT_RDCAP) || 534 (report & SAA7134_IRQ_REPORT_INTL)) 535 saa7134_irq_video_signalchange(dev); 536 537 538 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 539 (status & 0x60) == 0) 540 saa7134_irq_video_done(dev,status); 541 542 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && 543 (status & 0x40) == 0x40) 544 saa7134_irq_vbi_done(dev,status); 545 546 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) && 547 card_has_mpeg(dev)) { 548 if (dev->mops->irq_ts_done != NULL) 549 dev->mops->irq_ts_done(dev, status); 550 else 551 saa7134_irq_ts_done(dev, status); 552 } 553 554 if (report & SAA7134_IRQ_REPORT_GPIO16) { 555 switch (dev->has_remote) { 556 case SAA7134_REMOTE_GPIO: 557 if (!dev->remote) 558 break; 559 if (dev->remote->mask_keydown & 0x10000) { 560 saa7134_input_irq(dev); 561 } 562 break; 563 564 case SAA7134_REMOTE_I2C: 565 break; /* FIXME: invoke I2C get_key() */ 566 567 default: /* GPIO16 not used by IR remote */ 568 break; 569 } 570 } 571 572 if (report & SAA7134_IRQ_REPORT_GPIO18) { 573 switch (dev->has_remote) { 574 case SAA7134_REMOTE_GPIO: 575 if (!dev->remote) 576 break; 577 if ((dev->remote->mask_keydown & 0x40000) || 578 (dev->remote->mask_keyup & 0x40000)) { 579 saa7134_input_irq(dev); 580 } 581 break; 582 583 case SAA7134_REMOTE_I2C: 584 break; /* FIXME: invoke I2C get_key() */ 585 586 default: /* GPIO18 not used by IR remote */ 587 break; 588 } 589 } 590 } 591 592 if (10 == loop) { 593 print_irqstatus(dev,loop,report,status); 594 if (report & SAA7134_IRQ_REPORT_PE) { 595 /* disable all parity error */ 596 pr_warn("%s/irq: looping -- clearing PE (parity error!) enable bit\n", 597 dev->name); 598 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE); 599 } else if (report & SAA7134_IRQ_REPORT_GPIO16) { 600 /* disable gpio16 IRQ */ 601 pr_warn("%s/irq: looping -- clearing GPIO16 enable bit\n", 602 dev->name); 603 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P); 604 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N); 605 } else if (report & SAA7134_IRQ_REPORT_GPIO18) { 606 /* disable gpio18 IRQs */ 607 pr_warn("%s/irq: looping -- clearing GPIO18 enable bit\n", 608 dev->name); 609 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P); 610 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N); 611 } else { 612 /* disable all irqs */ 613 pr_warn("%s/irq: looping -- clearing all enable bits\n", 614 dev->name); 615 saa_writel(SAA7134_IRQ1,0); 616 saa_writel(SAA7134_IRQ2,0); 617 } 618 } 619 620 out: 621 return IRQ_RETVAL(handled); 622} 623 624/* ------------------------------------------------------------------ */ 625 626/* early init (no i2c, no irq) */ 627 628static int saa7134_hw_enable1(struct saa7134_dev *dev) 629{ 630 /* RAM FIFO config */ 631 saa_writel(SAA7134_FIFO_SIZE, 0x08070503); 632 saa_writel(SAA7134_THRESHOULD, 0x02020202); 633 634 /* enable audio + video processing */ 635 saa_writel(SAA7134_MAIN_CTRL, 636 SAA7134_MAIN_CTRL_VPLLE | 637 SAA7134_MAIN_CTRL_APLLE | 638 SAA7134_MAIN_CTRL_EXOSC | 639 SAA7134_MAIN_CTRL_EVFE1 | 640 SAA7134_MAIN_CTRL_EVFE2 | 641 SAA7134_MAIN_CTRL_ESFE | 642 SAA7134_MAIN_CTRL_EBDAC); 643 644 /* 645 * Initialize OSS _after_ enabling audio clock PLL and audio processing. 646 * OSS initialization writes to registers via the audio DSP; these 647 * writes will fail unless the audio clock has been started. At worst, 648 * audio will not work. 649 */ 650 651 /* enable peripheral devices */ 652 saa_writeb(SAA7134_SPECIAL_MODE, 0x01); 653 654 /* set vertical line numbering start (vbi needs this) */ 655 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20); 656 657 return 0; 658} 659 660static int saa7134_hwinit1(struct saa7134_dev *dev) 661{ 662 core_dbg("hwinit1\n"); 663 664 saa_writel(SAA7134_IRQ1, 0); 665 saa_writel(SAA7134_IRQ2, 0); 666 667 /* Clear any stale IRQ reports */ 668 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 669 670 mutex_init(&dev->lock); 671 spin_lock_init(&dev->slock); 672 673 saa7134_track_gpio(dev,"pre-init"); 674 saa7134_video_init1(dev); 675 saa7134_vbi_init1(dev); 676 if (card_has_mpeg(dev)) 677 saa7134_ts_init1(dev); 678 saa7134_input_init1(dev); 679 680 saa7134_hw_enable1(dev); 681 682 return 0; 683} 684 685/* late init (with i2c + irq) */ 686static int saa7134_hw_enable2(struct saa7134_dev *dev) 687{ 688 689 unsigned int irq2_mask; 690 691 /* enable IRQ's */ 692 irq2_mask = 693 SAA7134_IRQ2_INTE_DEC3 | 694 SAA7134_IRQ2_INTE_DEC2 | 695 SAA7134_IRQ2_INTE_DEC1 | 696 SAA7134_IRQ2_INTE_DEC0 | 697 SAA7134_IRQ2_INTE_PE | 698 SAA7134_IRQ2_INTE_AR; 699 700 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) { 701 if (dev->remote->mask_keydown & 0x10000) 702 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N; 703 else { /* Allow enabling both IRQ edge triggers */ 704 if (dev->remote->mask_keydown & 0x40000) 705 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P; 706 if (dev->remote->mask_keyup & 0x40000) 707 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N; 708 } 709 } 710 711 if (dev->has_remote == SAA7134_REMOTE_I2C) { 712 request_module("ir-kbd-i2c"); 713 } 714 715 saa_writel(SAA7134_IRQ1, 0); 716 saa_writel(SAA7134_IRQ2, irq2_mask); 717 718 return 0; 719} 720 721static int saa7134_hwinit2(struct saa7134_dev *dev) 722{ 723 724 core_dbg("hwinit2\n"); 725 726 saa7134_video_init2(dev); 727 saa7134_tvaudio_init2(dev); 728 729 saa7134_hw_enable2(dev); 730 731 return 0; 732} 733 734 735/* shutdown */ 736static int saa7134_hwfini(struct saa7134_dev *dev) 737{ 738 core_dbg("hwfini\n"); 739 740 if (card_has_mpeg(dev)) 741 saa7134_ts_fini(dev); 742 saa7134_input_fini(dev); 743 saa7134_vbi_fini(dev); 744 saa7134_tvaudio_fini(dev); 745 saa7134_video_fini(dev); 746 return 0; 747} 748 749static void must_configure_manually(int has_eeprom) 750{ 751 unsigned int i,p; 752 753 if (!has_eeprom) 754 pr_warn("saa7134: <rant>\n" 755 "saa7134: Congratulations! Your TV card vendor saved a few\n" 756 "saa7134: cents for a eeprom, thus your pci board has no\n" 757 "saa7134: subsystem ID and I can't identify it automatically\n" 758 "saa7134: </rant>\n" 759 "saa7134: I feel better now. Ok, here are the good news:\n" 760 "saa7134: You can use the card=<nr> insmod option to specify\n" 761 "saa7134: which board do you have. The list:\n"); 762 else 763 pr_warn("saa7134: Board is currently unknown. You might try to use the card=<nr>\n" 764 "saa7134: insmod option to specify which board do you have, but this is\n" 765 "saa7134: somewhat risky, as might damage your card. It is better to ask\n" 766 "saa7134: for support at linux-media@vger.kernel.org.\n" 767 "saa7134: The supported cards are:\n"); 768 769 for (i = 0; i < saa7134_bcount; i++) { 770 pr_warn("saa7134: card=%d -> %-40.40s", 771 i,saa7134_boards[i].name); 772 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) { 773 if (saa7134_pci_tbl[p].driver_data != i) 774 continue; 775 pr_cont(" %04x:%04x", 776 saa7134_pci_tbl[p].subvendor, 777 saa7134_pci_tbl[p].subdevice); 778 } 779 pr_cont("\n"); 780 } 781} 782 783static void saa7134_unregister_media_device(struct saa7134_dev *dev) 784{ 785 786#ifdef CONFIG_MEDIA_CONTROLLER 787 if (!dev->media_dev) 788 return; 789 media_device_unregister(dev->media_dev); 790 media_device_cleanup(dev->media_dev); 791 kfree(dev->media_dev); 792 dev->media_dev = NULL; 793#endif 794} 795 796static void saa7134_media_release(struct saa7134_dev *dev) 797{ 798#ifdef CONFIG_MEDIA_CONTROLLER 799 int i; 800 801 for (i = 0; i < SAA7134_INPUT_MAX + 1; i++) 802 media_device_unregister_entity(&dev->input_ent[i]); 803#endif 804} 805 806#if defined(CONFIG_MEDIA_CONTROLLER) 807static void saa7134_create_entities(struct saa7134_dev *dev) 808{ 809 int ret, i; 810 struct media_entity *entity; 811 struct media_entity *decoder = NULL; 812 813 /* Check if it is using an external analog TV demod */ 814 media_device_for_each_entity(entity, dev->media_dev) { 815 if (entity->function == MEDIA_ENT_F_ATV_DECODER) { 816 decoder = entity; 817 break; 818 } 819 } 820 821 /* 822 * saa713x is not using an external ATV demod. 823 * Register the internal one 824 */ 825 if (!decoder) { 826 dev->demod.name = "saa713x"; 827 dev->demod_pad[SAA7134_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 828 dev->demod_pad[SAA7134_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG; 829 dev->demod_pad[SAA7134_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 830 dev->demod_pad[SAA7134_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV; 831 dev->demod.function = MEDIA_ENT_F_ATV_DECODER; 832 833 ret = media_entity_pads_init(&dev->demod, SAA7134_NUM_PADS, 834 dev->demod_pad); 835 if (ret < 0) 836 pr_err("failed to initialize demod pad!\n"); 837 838 ret = media_device_register_entity(dev->media_dev, &dev->demod); 839 if (ret < 0) 840 pr_err("failed to register demod entity!\n"); 841 842 dev->decoder = &dev->demod; 843 } else { 844 dev->decoder = decoder; 845 } 846 847 /* Initialize Video, VBI and Radio pads */ 848 dev->video_pad.flags = MEDIA_PAD_FL_SINK; 849 ret = media_entity_pads_init(&dev->video_dev->entity, 1, 850 &dev->video_pad); 851 if (ret < 0) 852 pr_err("failed to initialize video media entity!\n"); 853 854 dev->vbi_pad.flags = MEDIA_PAD_FL_SINK; 855 ret = media_entity_pads_init(&dev->vbi_dev->entity, 1, 856 &dev->vbi_pad); 857 if (ret < 0) 858 pr_err("failed to initialize vbi media entity!\n"); 859 860 /* Create entities for each input connector */ 861 for (i = 0; i < SAA7134_INPUT_MAX; i++) { 862 struct media_entity *ent = &dev->input_ent[i]; 863 struct saa7134_input *in = &card_in(dev, i); 864 865 if (in->type == SAA7134_NO_INPUT) 866 break; 867 868 /* This input uses the S-Video connector */ 869 if (in->type == SAA7134_INPUT_COMPOSITE_OVER_SVIDEO) 870 continue; 871 872 ent->name = saa7134_input_name[in->type]; 873 ent->flags = MEDIA_ENT_FL_CONNECTOR; 874 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 875 876 switch (in->type) { 877 case SAA7134_INPUT_COMPOSITE: 878 case SAA7134_INPUT_COMPOSITE0: 879 case SAA7134_INPUT_COMPOSITE1: 880 case SAA7134_INPUT_COMPOSITE2: 881 case SAA7134_INPUT_COMPOSITE3: 882 case SAA7134_INPUT_COMPOSITE4: 883 ent->function = MEDIA_ENT_F_CONN_COMPOSITE; 884 break; 885 case SAA7134_INPUT_SVIDEO: 886 case SAA7134_INPUT_SVIDEO0: 887 case SAA7134_INPUT_SVIDEO1: 888 ent->function = MEDIA_ENT_F_CONN_SVIDEO; 889 break; 890 default: 891 /* 892 * SAA7134_INPUT_TV and SAA7134_INPUT_TV_MONO. 893 * 894 * Please notice that neither SAA7134_INPUT_MUTE or 895 * SAA7134_INPUT_RADIO are defined at 896 * saa7134_board.input. 897 */ 898 ent->function = MEDIA_ENT_F_CONN_RF; 899 break; 900 } 901 902 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); 903 if (ret < 0) 904 pr_err("failed to initialize input pad[%d]!\n", i); 905 906 ret = media_device_register_entity(dev->media_dev, ent); 907 if (ret < 0) 908 pr_err("failed to register input entity %d!\n", i); 909 } 910 911 /* Create input for Radio RF connector */ 912 if (card_has_radio(dev)) { 913 struct saa7134_input *in = &saa7134_boards[dev->board].radio; 914 struct media_entity *ent = &dev->input_ent[i]; 915 916 ent->name = saa7134_input_name[in->type]; 917 ent->flags = MEDIA_ENT_FL_CONNECTOR; 918 dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 919 ent->function = MEDIA_ENT_F_CONN_RF; 920 921 ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]); 922 if (ret < 0) 923 pr_err("failed to initialize input pad[%d]!\n", i); 924 925 ret = media_device_register_entity(dev->media_dev, ent); 926 if (ret < 0) 927 pr_err("failed to register input entity %d!\n", i); 928 } 929} 930#endif 931 932static struct video_device *vdev_init(struct saa7134_dev *dev, 933 struct video_device *template, 934 char *type) 935{ 936 struct video_device *vfd; 937 938 vfd = video_device_alloc(); 939 if (NULL == vfd) 940 return NULL; 941 *vfd = *template; 942 vfd->v4l2_dev = &dev->v4l2_dev; 943 vfd->release = video_device_release; 944 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", 945 dev->name, type, saa7134_boards[dev->board].name); 946 video_set_drvdata(vfd, dev); 947 return vfd; 948} 949 950static void saa7134_unregister_video(struct saa7134_dev *dev) 951{ 952 saa7134_media_release(dev); 953 954 if (dev->video_dev) { 955 if (video_is_registered(dev->video_dev)) 956 vb2_video_unregister_device(dev->video_dev); 957 else 958 video_device_release(dev->video_dev); 959 dev->video_dev = NULL; 960 } 961 if (dev->vbi_dev) { 962 if (video_is_registered(dev->vbi_dev)) 963 vb2_video_unregister_device(dev->vbi_dev); 964 else 965 video_device_release(dev->vbi_dev); 966 dev->vbi_dev = NULL; 967 } 968 if (dev->radio_dev) { 969 if (video_is_registered(dev->radio_dev)) 970 video_unregister_device(dev->radio_dev); 971 else 972 video_device_release(dev->radio_dev); 973 dev->radio_dev = NULL; 974 } 975} 976 977static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops, 978 struct saa7134_dev *dev) 979{ 980 int err; 981 982 if (NULL != dev->mops) 983 return; 984 if (saa7134_boards[dev->board].mpeg != ops->type) 985 return; 986 err = ops->init(dev); 987 if (0 != err) 988 return; 989 dev->mops = ops; 990} 991 992static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops, 993 struct saa7134_dev *dev) 994{ 995 if (NULL == dev->mops) 996 return; 997 if (dev->mops != ops) 998 return; 999 dev->mops->fini(dev); 1000 dev->mops = NULL; 1001} 1002 1003static int saa7134_initdev(struct pci_dev *pci_dev, 1004 const struct pci_device_id *pci_id) 1005{ 1006 struct saa7134_dev *dev; 1007 struct saa7134_mpeg_ops *mops; 1008 int err; 1009 1010 if (saa7134_devcount == SAA7134_MAXBOARDS) 1011 return -ENOMEM; 1012 1013 dev = kzalloc(sizeof(*dev),GFP_KERNEL); 1014 if (NULL == dev) 1015 return -ENOMEM; 1016 1017 dev->nr = saa7134_devcount; 1018 sprintf(dev->name, "saa%x[%d]", pci_dev->device, dev->nr); 1019 1020#ifdef CONFIG_MEDIA_CONTROLLER 1021 dev->media_dev = kzalloc(sizeof(*dev->media_dev), GFP_KERNEL); 1022 if (!dev->media_dev) { 1023 err = -ENOMEM; 1024 goto err_free_dev; 1025 } 1026 media_device_pci_init(dev->media_dev, pci_dev, dev->name); 1027 dev->v4l2_dev.mdev = dev->media_dev; 1028#endif 1029 1030 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev); 1031 if (err) 1032 goto err_free_dev; 1033 1034 /* pci init */ 1035 dev->pci = pci_dev; 1036 if (pci_enable_device(pci_dev)) { 1037 err = -EIO; 1038 goto err_v4l2_unregister; 1039 } 1040 1041 /* pci quirks */ 1042 if (pci_pci_problems) { 1043 if (pci_pci_problems & PCIPCI_TRITON) 1044 pr_info("%s: quirk: PCIPCI_TRITON\n", dev->name); 1045 if (pci_pci_problems & PCIPCI_NATOMA) 1046 pr_info("%s: quirk: PCIPCI_NATOMA\n", dev->name); 1047 if (pci_pci_problems & PCIPCI_VIAETBF) 1048 pr_info("%s: quirk: PCIPCI_VIAETBF\n", dev->name); 1049 if (pci_pci_problems & PCIPCI_VSFX) 1050 pr_info("%s: quirk: PCIPCI_VSFX\n", dev->name); 1051#ifdef PCIPCI_ALIMAGIK 1052 if (pci_pci_problems & PCIPCI_ALIMAGIK) { 1053 pr_info("%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", 1054 dev->name); 1055 latency = 0x0A; 1056 } 1057#endif 1058 } 1059 if (UNSET != latency) { 1060 pr_info("%s: setting pci latency timer to %d\n", 1061 dev->name,latency); 1062 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); 1063 } 1064 1065 /* print pci info */ 1066 dev->pci_rev = pci_dev->revision; 1067 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); 1068 pr_info("%s: found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n", 1069 dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq, 1070 dev->pci_lat, 1071 (unsigned long long)pci_resource_start(pci_dev, 0)); 1072 pci_set_master(pci_dev); 1073 err = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32)); 1074 if (err) { 1075 pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name); 1076 goto err_v4l2_unregister; 1077 } 1078 1079 /* board config */ 1080 dev->board = pci_id->driver_data; 1081 if ((unsigned)card[dev->nr] < saa7134_bcount) 1082 dev->board = card[dev->nr]; 1083 if (SAA7134_BOARD_UNKNOWN == dev->board) 1084 must_configure_manually(0); 1085 else if (SAA7134_BOARD_NOAUTO == dev->board) { 1086 must_configure_manually(1); 1087 dev->board = SAA7134_BOARD_UNKNOWN; 1088 } 1089 dev->autodetected = card[dev->nr] != dev->board; 1090 dev->tuner_type = saa7134_boards[dev->board].tuner_type; 1091 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr; 1092 dev->radio_type = saa7134_boards[dev->board].radio_type; 1093 dev->radio_addr = saa7134_boards[dev->board].radio_addr; 1094 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf; 1095 if (UNSET != tuner[dev->nr]) 1096 dev->tuner_type = tuner[dev->nr]; 1097 pr_info("%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", 1098 dev->name,pci_dev->subsystem_vendor, 1099 pci_dev->subsystem_device,saa7134_boards[dev->board].name, 1100 dev->board, dev->autodetected ? 1101 "autodetected" : "insmod option"); 1102 1103 /* get mmio */ 1104 if (!request_mem_region(pci_resource_start(pci_dev,0), 1105 pci_resource_len(pci_dev,0), 1106 dev->name)) { 1107 err = -EBUSY; 1108 pr_err("%s: can't get MMIO memory @ 0x%llx\n", 1109 dev->name,(unsigned long long)pci_resource_start(pci_dev,0)); 1110 goto err_v4l2_unregister; 1111 } 1112 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0), 1113 pci_resource_len(pci_dev, 0)); 1114 dev->bmmio = (__u8 __iomem *)dev->lmmio; 1115 if (NULL == dev->lmmio) { 1116 err = -EIO; 1117 pr_err("%s: can't ioremap() MMIO memory\n", 1118 dev->name); 1119 goto err_release_mem_reg; 1120 } 1121 1122 /* initialize hardware #1 */ 1123 saa7134_board_init1(dev); 1124 saa7134_hwinit1(dev); 1125 1126 /* get irq */ 1127 err = request_irq(pci_dev->irq, saa7134_irq, 1128 IRQF_SHARED, dev->name, dev); 1129 if (err < 0) { 1130 pr_err("%s: can't get IRQ %d\n", 1131 dev->name,pci_dev->irq); 1132 goto err_iounmap; 1133 } 1134 1135 /* wait a bit, register i2c bus */ 1136 msleep(100); 1137 saa7134_i2c_register(dev); 1138 saa7134_board_init2(dev); 1139 1140 saa7134_hwinit2(dev); 1141 1142 /* load i2c helpers */ 1143 if (card_is_empress(dev)) { 1144 dev->empress_sd = 1145 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, 1146 "saa6752hs", 1147 saa7134_boards[dev->board].empress_addr, NULL); 1148 1149 if (dev->empress_sd) 1150 dev->empress_sd->grp_id = GRP_EMPRESS; 1151 } 1152 1153 if (saa7134_boards[dev->board].rds_addr) { 1154 struct v4l2_subdev *sd; 1155 1156 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1157 &dev->i2c_adap, "saa6588", 1158 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr)); 1159 if (sd) { 1160 pr_info("%s: found RDS decoder\n", dev->name); 1161 dev->has_rds = 1; 1162 } 1163 } 1164 1165 mutex_lock(&saa7134_devlist_lock); 1166 list_for_each_entry(mops, &mops_list, next) 1167 mpeg_ops_attach(mops, dev); 1168 list_add_tail(&dev->devlist, &saa7134_devlist); 1169 mutex_unlock(&saa7134_devlist_lock); 1170 1171 /* check for signal */ 1172 saa7134_irq_video_signalchange(dev); 1173 1174 if (TUNER_ABSENT != dev->tuner_type) 1175 saa_call_all(dev, core, s_power, 0); 1176 1177 /* register v4l devices */ 1178 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); 1179 dev->video_dev->ctrl_handler = &dev->ctrl_handler; 1180 dev->video_dev->lock = &dev->lock; 1181 dev->video_dev->queue = &dev->video_vbq; 1182 dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1183 V4L2_CAP_VIDEO_CAPTURE; 1184 if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET) 1185 dev->video_dev->device_caps |= V4L2_CAP_TUNER; 1186 1187 err = video_register_device(dev->video_dev,VFL_TYPE_VIDEO, 1188 video_nr[dev->nr]); 1189 if (err < 0) { 1190 pr_info("%s: can't register video device\n", 1191 dev->name); 1192 goto err_unregister_video; 1193 } 1194 pr_info("%s: registered device %s [v4l2]\n", 1195 dev->name, video_device_node_name(dev->video_dev)); 1196 1197 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi"); 1198 dev->vbi_dev->ctrl_handler = &dev->ctrl_handler; 1199 dev->vbi_dev->lock = &dev->lock; 1200 dev->vbi_dev->queue = &dev->vbi_vbq; 1201 dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | 1202 V4L2_CAP_VBI_CAPTURE; 1203 if (dev->tuner_type != TUNER_ABSENT && dev->tuner_type != UNSET) 1204 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER; 1205 1206 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, 1207 vbi_nr[dev->nr]); 1208 if (err < 0) 1209 goto err_unregister_video; 1210 pr_info("%s: registered device %s\n", 1211 dev->name, video_device_node_name(dev->vbi_dev)); 1212 1213 if (card_has_radio(dev)) { 1214 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio"); 1215 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler; 1216 dev->radio_dev->lock = &dev->lock; 1217 dev->radio_dev->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER; 1218 if (dev->has_rds) 1219 dev->radio_dev->device_caps |= V4L2_CAP_RDS_CAPTURE; 1220 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, 1221 radio_nr[dev->nr]); 1222 if (err < 0) 1223 goto err_unregister_video; 1224 pr_info("%s: registered device %s\n", 1225 dev->name, video_device_node_name(dev->radio_dev)); 1226 } 1227 1228#ifdef CONFIG_MEDIA_CONTROLLER 1229 saa7134_create_entities(dev); 1230 1231 err = v4l2_mc_create_media_graph(dev->media_dev); 1232 if (err) { 1233 pr_err("failed to create media graph\n"); 1234 goto err_unregister_video; 1235 } 1236#endif 1237 /* everything worked */ 1238 saa7134_devcount++; 1239 1240 if (saa7134_dmasound_init && !dev->dmasound.priv_data) 1241 saa7134_dmasound_init(dev); 1242 1243 request_submodules(dev); 1244 1245 /* 1246 * Do it at the end, to reduce dynamic configuration changes during 1247 * the device init. Yet, as request_modules() can be async, the 1248 * topology will likely change after load the saa7134 subdrivers. 1249 */ 1250#ifdef CONFIG_MEDIA_CONTROLLER 1251 err = media_device_register(dev->media_dev); 1252 if (err) { 1253 media_device_cleanup(dev->media_dev); 1254 goto err_unregister_video; 1255 } 1256#endif 1257 1258 return 0; 1259 1260err_unregister_video: 1261 saa7134_unregister_video(dev); 1262 list_del(&dev->devlist); 1263 saa7134_i2c_unregister(dev); 1264 free_irq(pci_dev->irq, dev); 1265err_iounmap: 1266 saa7134_hwfini(dev); 1267 iounmap(dev->lmmio); 1268err_release_mem_reg: 1269 release_mem_region(pci_resource_start(pci_dev,0), 1270 pci_resource_len(pci_dev,0)); 1271err_v4l2_unregister: 1272 v4l2_device_unregister(&dev->v4l2_dev); 1273err_free_dev: 1274#ifdef CONFIG_MEDIA_CONTROLLER 1275 kfree(dev->media_dev); 1276#endif 1277 kfree(dev); 1278 return err; 1279} 1280 1281static void saa7134_finidev(struct pci_dev *pci_dev) 1282{ 1283 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1284 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1285 struct saa7134_mpeg_ops *mops; 1286 1287 flush_request_submodules(dev); 1288 1289 /* Release DMA sound modules if present */ 1290 if (saa7134_dmasound_exit && dev->dmasound.priv_data) { 1291 saa7134_dmasound_exit(dev); 1292 } 1293 1294 /* debugging ... */ 1295 if (irq_debug) { 1296 u32 report = saa_readl(SAA7134_IRQ_REPORT); 1297 u32 status = saa_readl(SAA7134_IRQ_STATUS); 1298 print_irqstatus(dev,42,report,status); 1299 } 1300 1301 /* disable peripheral devices */ 1302 saa_writeb(SAA7134_SPECIAL_MODE,0); 1303 1304 /* shutdown hardware */ 1305 saa_writel(SAA7134_IRQ1,0); 1306 saa_writel(SAA7134_IRQ2,0); 1307 saa_writel(SAA7134_MAIN_CTRL,0); 1308 1309 /* shutdown subsystems */ 1310 saa7134_hwfini(dev); 1311 1312 /* unregister */ 1313 mutex_lock(&saa7134_devlist_lock); 1314 list_del(&dev->devlist); 1315 list_for_each_entry(mops, &mops_list, next) 1316 mpeg_ops_detach(mops, dev); 1317 mutex_unlock(&saa7134_devlist_lock); 1318 saa7134_devcount--; 1319 1320 saa7134_i2c_unregister(dev); 1321 saa7134_unregister_video(dev); 1322 1323 1324 /* the DMA sound modules should be unloaded before reaching 1325 this, but just in case they are still present... */ 1326 if (dev->dmasound.priv_data != NULL) { 1327 free_irq(pci_dev->irq, &dev->dmasound); 1328 dev->dmasound.priv_data = NULL; 1329 } 1330 1331 1332 /* release resources */ 1333 free_irq(pci_dev->irq, dev); 1334 iounmap(dev->lmmio); 1335 release_mem_region(pci_resource_start(pci_dev,0), 1336 pci_resource_len(pci_dev,0)); 1337 1338 v4l2_device_unregister(&dev->v4l2_dev); 1339 1340 saa7134_unregister_media_device(dev); 1341 1342 /* free memory */ 1343 kfree(dev); 1344} 1345 1346/* resends a current buffer in queue after resume */ 1347static int __maybe_unused saa7134_buffer_requeue(struct saa7134_dev *dev, 1348 struct saa7134_dmaqueue *q) 1349{ 1350 struct saa7134_buf *buf, *next; 1351 1352 assert_spin_locked(&dev->slock); 1353 1354 buf = q->curr; 1355 next = buf; 1356 core_dbg("buffer_requeue\n"); 1357 1358 if (!buf) 1359 return 0; 1360 1361 core_dbg("buffer_requeue : resending active buffer\n"); 1362 1363 if (!list_empty(&q->queue)) 1364 next = list_entry(q->queue.next, struct saa7134_buf, 1365 entry); 1366 buf->activate(dev, buf, next); 1367 1368 return 0; 1369} 1370 1371static int __maybe_unused saa7134_suspend(struct device *dev_d) 1372{ 1373 struct pci_dev *pci_dev = to_pci_dev(dev_d); 1374 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); 1375 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1376 1377 /* Disable interrupts, DMA, and rest of the chip*/ 1378 saa_writel(SAA7134_IRQ1, 0); 1379 saa_writel(SAA7134_IRQ2, 0); 1380 saa_writel(SAA7134_MAIN_CTRL, 0); 1381 1382 dev->insuspend = 1; 1383 synchronize_irq(pci_dev->irq); 1384 1385 /* ACK interrupts once more, just in case, 1386 since the IRQ handler won't ack them anymore*/ 1387 1388 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); 1389 1390 /* Disable timeout timers - if we have active buffers, we will 1391 fill them on resume*/ 1392 1393 del_timer(&dev->video_q.timeout); 1394 del_timer(&dev->vbi_q.timeout); 1395 del_timer(&dev->ts_q.timeout); 1396 1397 if (dev->remote && dev->remote->dev->users) 1398 saa7134_ir_close(dev->remote->dev); 1399 1400 return 0; 1401} 1402 1403static int __maybe_unused saa7134_resume(struct device *dev_d) 1404{ 1405 struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d); 1406 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev); 1407 unsigned long flags; 1408 1409 /* Do things that are done in saa7134_initdev , 1410 except of initializing memory structures.*/ 1411 1412 saa7134_board_init1(dev); 1413 1414 /* saa7134_hwinit1 */ 1415 if (saa7134_boards[dev->board].video_out) 1416 saa7134_videoport_init(dev); 1417 if (card_has_mpeg(dev)) 1418 saa7134_ts_init_hw(dev); 1419 if (dev->remote && dev->remote->dev->users) 1420 saa7134_ir_open(dev->remote->dev); 1421 saa7134_hw_enable1(dev); 1422 1423 msleep(100); 1424 1425 saa7134_board_init2(dev); 1426 1427 /*saa7134_hwinit2*/ 1428 saa7134_set_tvnorm_hw(dev); 1429 saa7134_tvaudio_setmute(dev); 1430 saa7134_tvaudio_setvolume(dev, dev->ctl_volume); 1431 saa7134_tvaudio_init(dev); 1432 saa7134_enable_i2s(dev); 1433 saa7134_hw_enable2(dev); 1434 1435 saa7134_irq_video_signalchange(dev); 1436 1437 /*resume unfinished buffer(s)*/ 1438 spin_lock_irqsave(&dev->slock, flags); 1439 saa7134_buffer_requeue(dev, &dev->video_q); 1440 saa7134_buffer_requeue(dev, &dev->vbi_q); 1441 saa7134_buffer_requeue(dev, &dev->ts_q); 1442 1443 /* FIXME: Disable DMA audio sound - temporary till proper support 1444 is implemented*/ 1445 1446 dev->dmasound.dma_running = 0; 1447 1448 /* start DMA now*/ 1449 dev->insuspend = 0; 1450 smp_wmb(); 1451 saa7134_set_dmabits(dev); 1452 spin_unlock_irqrestore(&dev->slock, flags); 1453 1454 return 0; 1455} 1456 1457/* ----------------------------------------------------------- */ 1458 1459int saa7134_ts_register(struct saa7134_mpeg_ops *ops) 1460{ 1461 struct saa7134_dev *dev; 1462 1463 mutex_lock(&saa7134_devlist_lock); 1464 list_for_each_entry(dev, &saa7134_devlist, devlist) 1465 mpeg_ops_attach(ops, dev); 1466 list_add_tail(&ops->next,&mops_list); 1467 mutex_unlock(&saa7134_devlist_lock); 1468 return 0; 1469} 1470 1471void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) 1472{ 1473 struct saa7134_dev *dev; 1474 1475 mutex_lock(&saa7134_devlist_lock); 1476 list_del(&ops->next); 1477 list_for_each_entry(dev, &saa7134_devlist, devlist) 1478 mpeg_ops_detach(ops, dev); 1479 mutex_unlock(&saa7134_devlist_lock); 1480} 1481 1482EXPORT_SYMBOL(saa7134_ts_register); 1483EXPORT_SYMBOL(saa7134_ts_unregister); 1484 1485/* ----------------------------------------------------------- */ 1486 1487static SIMPLE_DEV_PM_OPS(saa7134_pm_ops, saa7134_suspend, saa7134_resume); 1488 1489static struct pci_driver saa7134_pci_driver = { 1490 .name = "saa7134", 1491 .id_table = saa7134_pci_tbl, 1492 .probe = saa7134_initdev, 1493 .remove = saa7134_finidev, 1494 .driver.pm = &saa7134_pm_ops, 1495}; 1496 1497static int __init saa7134_init(void) 1498{ 1499 pr_info("saa7130/34: v4l2 driver version %s loaded\n", 1500 SAA7134_VERSION); 1501 return pci_register_driver(&saa7134_pci_driver); 1502} 1503 1504static void __exit saa7134_fini(void) 1505{ 1506 pci_unregister_driver(&saa7134_pci_driver); 1507} 1508 1509module_init(saa7134_init); 1510module_exit(saa7134_fini); 1511 1512/* ----------------------------------------------------------- */ 1513 1514EXPORT_SYMBOL(saa7134_set_gpio); 1515EXPORT_SYMBOL(saa7134_boards); 1516 1517/* ----------------- for the DMA sound modules --------------- */ 1518 1519EXPORT_SYMBOL(saa7134_dmasound_init); 1520EXPORT_SYMBOL(saa7134_dmasound_exit); 1521EXPORT_SYMBOL(saa7134_pgtable_free); 1522EXPORT_SYMBOL(saa7134_pgtable_build); 1523EXPORT_SYMBOL(saa7134_pgtable_alloc); 1524EXPORT_SYMBOL(saa7134_set_dmabits); 1525