cx23885-video.c revision 80f1e086e68f4e6ef066022d8b7f5ea0bd686220
1/* 2 * Driver for the Conexant CX23885 PCIe bridge 3 * 4 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 */ 21 22#include <linux/init.h> 23#include <linux/list.h> 24#include <linux/module.h> 25#include <linux/moduleparam.h> 26#include <linux/kmod.h> 27#include <linux/kernel.h> 28#include <linux/slab.h> 29#include <linux/interrupt.h> 30#include <linux/delay.h> 31#include <linux/kthread.h> 32#include <asm/div64.h> 33 34#include "cx23885.h" 35#include <media/v4l2-common.h> 36#include <media/v4l2-ioctl.h> 37#include "cx23885-ioctl.h" 38#include "tuner-xc2028.h" 39 40#include <media/cx25840.h> 41 42MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); 43MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); 44MODULE_LICENSE("GPL"); 45 46/* ------------------------------------------------------------------ */ 47 48static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 49static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 50static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 51 52module_param_array(video_nr, int, NULL, 0444); 53module_param_array(vbi_nr, int, NULL, 0444); 54module_param_array(radio_nr, int, NULL, 0444); 55 56MODULE_PARM_DESC(video_nr, "video device numbers"); 57MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 58MODULE_PARM_DESC(radio_nr, "radio device numbers"); 59 60static unsigned int video_debug; 61module_param(video_debug, int, 0644); 62MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 63 64static unsigned int irq_debug; 65module_param(irq_debug, int, 0644); 66MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); 67 68static unsigned int vid_limit = 16; 69module_param(vid_limit, int, 0644); 70MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); 71 72#define dprintk(level, fmt, arg...)\ 73 do { if (video_debug >= level)\ 74 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ 75 } while (0) 76 77/* ------------------------------------------------------------------- */ 78/* static data */ 79 80#define FORMAT_FLAGS_PACKED 0x01 81 82static struct cx23885_fmt formats[] = { 83 { 84 .name = "8 bpp, gray", 85 .fourcc = V4L2_PIX_FMT_GREY, 86 .depth = 8, 87 .flags = FORMAT_FLAGS_PACKED, 88 }, { 89 .name = "15 bpp RGB, le", 90 .fourcc = V4L2_PIX_FMT_RGB555, 91 .depth = 16, 92 .flags = FORMAT_FLAGS_PACKED, 93 }, { 94 .name = "15 bpp RGB, be", 95 .fourcc = V4L2_PIX_FMT_RGB555X, 96 .depth = 16, 97 .flags = FORMAT_FLAGS_PACKED, 98 }, { 99 .name = "16 bpp RGB, le", 100 .fourcc = V4L2_PIX_FMT_RGB565, 101 .depth = 16, 102 .flags = FORMAT_FLAGS_PACKED, 103 }, { 104 .name = "16 bpp RGB, be", 105 .fourcc = V4L2_PIX_FMT_RGB565X, 106 .depth = 16, 107 .flags = FORMAT_FLAGS_PACKED, 108 }, { 109 .name = "24 bpp RGB, le", 110 .fourcc = V4L2_PIX_FMT_BGR24, 111 .depth = 24, 112 .flags = FORMAT_FLAGS_PACKED, 113 }, { 114 .name = "32 bpp RGB, le", 115 .fourcc = V4L2_PIX_FMT_BGR32, 116 .depth = 32, 117 .flags = FORMAT_FLAGS_PACKED, 118 }, { 119 .name = "32 bpp RGB, be", 120 .fourcc = V4L2_PIX_FMT_RGB32, 121 .depth = 32, 122 .flags = FORMAT_FLAGS_PACKED, 123 }, { 124 .name = "4:2:2, packed, YUYV", 125 .fourcc = V4L2_PIX_FMT_YUYV, 126 .depth = 16, 127 .flags = FORMAT_FLAGS_PACKED, 128 }, { 129 .name = "4:2:2, packed, UYVY", 130 .fourcc = V4L2_PIX_FMT_UYVY, 131 .depth = 16, 132 .flags = FORMAT_FLAGS_PACKED, 133 }, 134}; 135 136static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) 137{ 138 unsigned int i; 139 140 for (i = 0; i < ARRAY_SIZE(formats); i++) 141 if (formats[i].fourcc == fourcc) 142 return formats+i; 143 144 printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc); 145 return NULL; 146} 147 148/* ------------------------------------------------------------------- */ 149 150static const struct v4l2_queryctrl no_ctl = { 151 .name = "42", 152 .flags = V4L2_CTRL_FLAG_DISABLED, 153}; 154 155static struct cx23885_ctrl cx23885_ctls[] = { 156 /* --- video --- */ 157 { 158 .v = { 159 .id = V4L2_CID_BRIGHTNESS, 160 .name = "Brightness", 161 .minimum = 0x00, 162 .maximum = 0xff, 163 .step = 1, 164 .default_value = 0x7f, 165 .type = V4L2_CTRL_TYPE_INTEGER, 166 }, 167 .off = 128, 168 .reg = LUMA_CTRL, 169 .mask = 0x00ff, 170 .shift = 0, 171 }, { 172 .v = { 173 .id = V4L2_CID_CONTRAST, 174 .name = "Contrast", 175 .minimum = 0, 176 .maximum = 0x7f, 177 .step = 1, 178 .default_value = 0x3f, 179 .type = V4L2_CTRL_TYPE_INTEGER, 180 }, 181 .off = 0, 182 .reg = LUMA_CTRL, 183 .mask = 0xff00, 184 .shift = 8, 185 }, { 186 .v = { 187 .id = V4L2_CID_HUE, 188 .name = "Hue", 189 .minimum = -127, 190 .maximum = 128, 191 .step = 1, 192 .default_value = 0x0, 193 .type = V4L2_CTRL_TYPE_INTEGER, 194 }, 195 .off = 128, 196 .reg = CHROMA_CTRL, 197 .mask = 0xff0000, 198 .shift = 16, 199 }, { 200 /* strictly, this only describes only U saturation. 201 * V saturation is handled specially through code. 202 */ 203 .v = { 204 .id = V4L2_CID_SATURATION, 205 .name = "Saturation", 206 .minimum = 0, 207 .maximum = 0x7f, 208 .step = 1, 209 .default_value = 0x3f, 210 .type = V4L2_CTRL_TYPE_INTEGER, 211 }, 212 .off = 0, 213 .reg = CHROMA_CTRL, 214 .mask = 0x00ff, 215 .shift = 0, 216 }, { 217 /* --- audio --- */ 218 .v = { 219 .id = V4L2_CID_AUDIO_MUTE, 220 .name = "Mute", 221 .minimum = 0, 222 .maximum = 1, 223 .default_value = 1, 224 .type = V4L2_CTRL_TYPE_BOOLEAN, 225 }, 226 .reg = PATH1_CTL1, 227 .mask = (0x1f << 24), 228 .shift = 24, 229 }, { 230 .v = { 231 .id = V4L2_CID_AUDIO_VOLUME, 232 .name = "Volume", 233 .minimum = 0, 234 .maximum = 0x3f, 235 .step = 1, 236 .default_value = 0x3f, 237 .type = V4L2_CTRL_TYPE_INTEGER, 238 }, 239 .reg = PATH1_VOL_CTL, 240 .mask = 0xff, 241 .shift = 0, 242 } 243}; 244static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls); 245 246/* Must be sorted from low to high control ID! */ 247static const u32 cx23885_user_ctrls[] = { 248 V4L2_CID_USER_CLASS, 249 V4L2_CID_BRIGHTNESS, 250 V4L2_CID_CONTRAST, 251 V4L2_CID_SATURATION, 252 V4L2_CID_HUE, 253 V4L2_CID_AUDIO_VOLUME, 254 V4L2_CID_AUDIO_MUTE, 255 0 256}; 257 258static const u32 *ctrl_classes[] = { 259 cx23885_user_ctrls, 260 NULL 261}; 262 263static void cx23885_video_wakeup(struct cx23885_dev *dev, 264 struct cx23885_dmaqueue *q, u32 count) 265{ 266 struct cx23885_buffer *buf; 267 int bc; 268 269 for (bc = 0;; bc++) { 270 if (list_empty(&q->active)) 271 break; 272 buf = list_entry(q->active.next, 273 struct cx23885_buffer, vb.queue); 274 275 /* count comes from the hw and is is 16bit wide -- 276 * this trick handles wrap-arounds correctly for 277 * up to 32767 buffers in flight... */ 278 if ((s16) (count - buf->count) < 0) 279 break; 280 281 do_gettimeofday(&buf->vb.ts); 282 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, 283 count, buf->count); 284 buf->vb.state = VIDEOBUF_DONE; 285 list_del(&buf->vb.queue); 286 wake_up(&buf->vb.done); 287 } 288 if (list_empty(&q->active)) 289 del_timer(&q->timeout); 290 else 291 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 292 if (bc != 1) 293 printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", 294 __func__, bc); 295} 296 297static int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) 298{ 299 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", 300 __func__, 301 (unsigned int)norm, 302 v4l2_norm_to_name(norm)); 303 304 dev->tvnorm = norm; 305 306 call_all(dev, core, s_std, norm); 307 308 return 0; 309} 310 311static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, 312 struct pci_dev *pci, 313 struct video_device *template, 314 char *type) 315{ 316 struct video_device *vfd; 317 dprintk(1, "%s()\n", __func__); 318 319 vfd = video_device_alloc(); 320 if (NULL == vfd) 321 return NULL; 322 *vfd = *template; 323 vfd->v4l2_dev = &dev->v4l2_dev; 324 vfd->release = video_device_release; 325 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", 326 dev->name, type, cx23885_boards[dev->board].name); 327 video_set_drvdata(vfd, dev); 328 return vfd; 329} 330 331static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) 332{ 333 int i; 334 335 if (qctrl->id < V4L2_CID_BASE || 336 qctrl->id >= V4L2_CID_LASTP1) 337 return -EINVAL; 338 for (i = 0; i < CX23885_CTLS; i++) 339 if (cx23885_ctls[i].v.id == qctrl->id) 340 break; 341 if (i == CX23885_CTLS) { 342 *qctrl = no_ctl; 343 return 0; 344 } 345 *qctrl = cx23885_ctls[i].v; 346 return 0; 347} 348 349/* ------------------------------------------------------------------- */ 350/* resource management */ 351 352static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, 353 unsigned int bit) 354{ 355 dprintk(1, "%s()\n", __func__); 356 if (fh->resources & bit) 357 /* have it already allocated */ 358 return 1; 359 360 /* is it free? */ 361 mutex_lock(&dev->lock); 362 if (dev->resources & bit) { 363 /* no, someone else uses it */ 364 mutex_unlock(&dev->lock); 365 return 0; 366 } 367 /* it's free, grab it */ 368 fh->resources |= bit; 369 dev->resources |= bit; 370 dprintk(1, "res: get %d\n", bit); 371 mutex_unlock(&dev->lock); 372 return 1; 373} 374 375static int res_check(struct cx23885_fh *fh, unsigned int bit) 376{ 377 return fh->resources & bit; 378} 379 380static int res_locked(struct cx23885_dev *dev, unsigned int bit) 381{ 382 return dev->resources & bit; 383} 384 385static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, 386 unsigned int bits) 387{ 388 BUG_ON((fh->resources & bits) != bits); 389 dprintk(1, "%s()\n", __func__); 390 391 mutex_lock(&dev->lock); 392 fh->resources &= ~bits; 393 dev->resources &= ~bits; 394 dprintk(1, "res: put %d\n", bits); 395 mutex_unlock(&dev->lock); 396} 397 398static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) 399{ 400 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", 401 __func__, 402 input, INPUT(input)->vmux, 403 INPUT(input)->gpio0, INPUT(input)->gpio1, 404 INPUT(input)->gpio2, INPUT(input)->gpio3); 405 dev->input = input; 406 407 if (dev->board == CX23885_BOARD_MYGICA_X8506 || 408 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2) { 409 /* Select Analog TV */ 410 if (INPUT(input)->type == CX23885_VMUX_TELEVISION) 411 cx23885_gpio_clear(dev, GPIO_0); 412 } 413 414 /* Tell the internal A/V decoder */ 415 v4l2_subdev_call(dev->sd_cx25840, video, s_routing, 416 INPUT(input)->vmux, 0, 0); 417 418 return 0; 419} 420 421/* ------------------------------------------------------------------ */ 422static int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width, 423 unsigned int height, enum v4l2_field field) 424{ 425 dprintk(1, "%s()\n", __func__); 426 return 0; 427} 428 429static int cx23885_start_video_dma(struct cx23885_dev *dev, 430 struct cx23885_dmaqueue *q, 431 struct cx23885_buffer *buf) 432{ 433 dprintk(1, "%s()\n", __func__); 434 435 /* setup fifo + format */ 436 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], 437 buf->bpl, buf->risc.dma); 438 cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field); 439 440 /* reset counter */ 441 cx_write(VID_A_GPCNT_CTL, 3); 442 q->count = 1; 443 444 /* enable irq */ 445 cx23885_irq_add_enable(dev, 0x01); 446 cx_set(VID_A_INT_MSK, 0x000011); 447 448 /* start dma */ 449 cx_set(DEV_CNTRL2, (1<<5)); 450 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ 451 452 return 0; 453} 454 455 456static int cx23885_restart_video_queue(struct cx23885_dev *dev, 457 struct cx23885_dmaqueue *q) 458{ 459 struct cx23885_buffer *buf, *prev; 460 struct list_head *item; 461 dprintk(1, "%s()\n", __func__); 462 463 if (!list_empty(&q->active)) { 464 buf = list_entry(q->active.next, struct cx23885_buffer, 465 vb.queue); 466 dprintk(2, "restart_queue [%p/%d]: restart dma\n", 467 buf, buf->vb.i); 468 cx23885_start_video_dma(dev, q, buf); 469 list_for_each(item, &q->active) { 470 buf = list_entry(item, struct cx23885_buffer, 471 vb.queue); 472 buf->count = q->count++; 473 } 474 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 475 return 0; 476 } 477 478 prev = NULL; 479 for (;;) { 480 if (list_empty(&q->queued)) 481 return 0; 482 buf = list_entry(q->queued.next, struct cx23885_buffer, 483 vb.queue); 484 if (NULL == prev) { 485 list_move_tail(&buf->vb.queue, &q->active); 486 cx23885_start_video_dma(dev, q, buf); 487 buf->vb.state = VIDEOBUF_ACTIVE; 488 buf->count = q->count++; 489 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 490 dprintk(2, "[%p/%d] restart_queue - first active\n", 491 buf, buf->vb.i); 492 493 } else if (prev->vb.width == buf->vb.width && 494 prev->vb.height == buf->vb.height && 495 prev->fmt == buf->fmt) { 496 list_move_tail(&buf->vb.queue, &q->active); 497 buf->vb.state = VIDEOBUF_ACTIVE; 498 buf->count = q->count++; 499 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 500 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ 501 dprintk(2, "[%p/%d] restart_queue - move to active\n", 502 buf, buf->vb.i); 503 } else { 504 return 0; 505 } 506 prev = buf; 507 } 508} 509 510static int buffer_setup(struct videobuf_queue *q, unsigned int *count, 511 unsigned int *size) 512{ 513 struct cx23885_fh *fh = q->priv_data; 514 515 *size = fh->fmt->depth*fh->width*fh->height >> 3; 516 if (0 == *count) 517 *count = 32; 518 if (*size * *count > vid_limit * 1024 * 1024) 519 *count = (vid_limit * 1024 * 1024) / *size; 520 return 0; 521} 522 523static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 524 enum v4l2_field field) 525{ 526 struct cx23885_fh *fh = q->priv_data; 527 struct cx23885_dev *dev = fh->dev; 528 struct cx23885_buffer *buf = 529 container_of(vb, struct cx23885_buffer, vb); 530 int rc, init_buffer = 0; 531 u32 line0_offset, line1_offset; 532 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); 533 534 BUG_ON(NULL == fh->fmt); 535 if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || 536 fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) 537 return -EINVAL; 538 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; 539 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) 540 return -EINVAL; 541 542 if (buf->fmt != fh->fmt || 543 buf->vb.width != fh->width || 544 buf->vb.height != fh->height || 545 buf->vb.field != field) { 546 buf->fmt = fh->fmt; 547 buf->vb.width = fh->width; 548 buf->vb.height = fh->height; 549 buf->vb.field = field; 550 init_buffer = 1; 551 } 552 553 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 554 init_buffer = 1; 555 rc = videobuf_iolock(q, &buf->vb, NULL); 556 if (0 != rc) 557 goto fail; 558 } 559 560 if (init_buffer) { 561 buf->bpl = buf->vb.width * buf->fmt->depth >> 3; 562 switch (buf->vb.field) { 563 case V4L2_FIELD_TOP: 564 cx23885_risc_buffer(dev->pci, &buf->risc, 565 dma->sglist, 0, UNSET, 566 buf->bpl, 0, buf->vb.height); 567 break; 568 case V4L2_FIELD_BOTTOM: 569 cx23885_risc_buffer(dev->pci, &buf->risc, 570 dma->sglist, UNSET, 0, 571 buf->bpl, 0, buf->vb.height); 572 break; 573 case V4L2_FIELD_INTERLACED: 574 if (dev->tvnorm & V4L2_STD_NTSC) { 575 /* cx25840 transmits NTSC bottom field first */ 576 dprintk(1, "%s() Creating NTSC risc\n", 577 __func__); 578 line0_offset = buf->bpl; 579 line1_offset = 0; 580 } else { 581 /* All other formats are top field first */ 582 dprintk(1, "%s() Creating PAL/SECAM risc\n", 583 __func__); 584 line0_offset = 0; 585 line1_offset = buf->bpl; 586 } 587 cx23885_risc_buffer(dev->pci, &buf->risc, 588 dma->sglist, line0_offset, 589 line1_offset, 590 buf->bpl, buf->bpl, 591 buf->vb.height >> 1); 592 break; 593 case V4L2_FIELD_SEQ_TB: 594 cx23885_risc_buffer(dev->pci, &buf->risc, 595 dma->sglist, 596 0, buf->bpl * (buf->vb.height >> 1), 597 buf->bpl, 0, 598 buf->vb.height >> 1); 599 break; 600 case V4L2_FIELD_SEQ_BT: 601 cx23885_risc_buffer(dev->pci, &buf->risc, 602 dma->sglist, 603 buf->bpl * (buf->vb.height >> 1), 0, 604 buf->bpl, 0, 605 buf->vb.height >> 1); 606 break; 607 default: 608 BUG(); 609 } 610 } 611 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 612 buf, buf->vb.i, 613 fh->width, fh->height, fh->fmt->depth, fh->fmt->name, 614 (unsigned long)buf->risc.dma); 615 616 buf->vb.state = VIDEOBUF_PREPARED; 617 return 0; 618 619 fail: 620 cx23885_free_buffer(q, buf); 621 return rc; 622} 623 624static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 625{ 626 struct cx23885_buffer *buf = container_of(vb, 627 struct cx23885_buffer, vb); 628 struct cx23885_buffer *prev; 629 struct cx23885_fh *fh = vq->priv_data; 630 struct cx23885_dev *dev = fh->dev; 631 struct cx23885_dmaqueue *q = &dev->vidq; 632 633 /* add jump to stopper */ 634 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); 635 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); 636 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 637 638 if (!list_empty(&q->queued)) { 639 list_add_tail(&buf->vb.queue, &q->queued); 640 buf->vb.state = VIDEOBUF_QUEUED; 641 dprintk(2, "[%p/%d] buffer_queue - append to queued\n", 642 buf, buf->vb.i); 643 644 } else if (list_empty(&q->active)) { 645 list_add_tail(&buf->vb.queue, &q->active); 646 cx23885_start_video_dma(dev, q, buf); 647 buf->vb.state = VIDEOBUF_ACTIVE; 648 buf->count = q->count++; 649 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 650 dprintk(2, "[%p/%d] buffer_queue - first active\n", 651 buf, buf->vb.i); 652 653 } else { 654 prev = list_entry(q->active.prev, struct cx23885_buffer, 655 vb.queue); 656 if (prev->vb.width == buf->vb.width && 657 prev->vb.height == buf->vb.height && 658 prev->fmt == buf->fmt) { 659 list_add_tail(&buf->vb.queue, &q->active); 660 buf->vb.state = VIDEOBUF_ACTIVE; 661 buf->count = q->count++; 662 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 663 /* 64 bit bits 63-32 */ 664 prev->risc.jmp[2] = cpu_to_le32(0); 665 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 666 buf, buf->vb.i); 667 668 } else { 669 list_add_tail(&buf->vb.queue, &q->queued); 670 buf->vb.state = VIDEOBUF_QUEUED; 671 dprintk(2, "[%p/%d] buffer_queue - first queued\n", 672 buf, buf->vb.i); 673 } 674 } 675} 676 677static void buffer_release(struct videobuf_queue *q, 678 struct videobuf_buffer *vb) 679{ 680 struct cx23885_buffer *buf = container_of(vb, 681 struct cx23885_buffer, vb); 682 683 cx23885_free_buffer(q, buf); 684} 685 686static struct videobuf_queue_ops cx23885_video_qops = { 687 .buf_setup = buffer_setup, 688 .buf_prepare = buffer_prepare, 689 .buf_queue = buffer_queue, 690 .buf_release = buffer_release, 691}; 692 693static struct videobuf_queue *get_queue(struct cx23885_fh *fh) 694{ 695 switch (fh->type) { 696 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 697 return &fh->vidq; 698 case V4L2_BUF_TYPE_VBI_CAPTURE: 699 return &fh->vbiq; 700 default: 701 BUG(); 702 return NULL; 703 } 704} 705 706static int get_resource(struct cx23885_fh *fh) 707{ 708 switch (fh->type) { 709 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 710 return RESOURCE_VIDEO; 711 case V4L2_BUF_TYPE_VBI_CAPTURE: 712 return RESOURCE_VBI; 713 default: 714 BUG(); 715 return 0; 716 } 717} 718 719static int video_open(struct file *file) 720{ 721 struct video_device *vdev = video_devdata(file); 722 struct cx23885_dev *dev = video_drvdata(file); 723 struct cx23885_fh *fh; 724 enum v4l2_buf_type type = 0; 725 int radio = 0; 726 727 switch (vdev->vfl_type) { 728 case VFL_TYPE_GRABBER: 729 type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 730 break; 731 case VFL_TYPE_VBI: 732 type = V4L2_BUF_TYPE_VBI_CAPTURE; 733 break; 734 case VFL_TYPE_RADIO: 735 radio = 1; 736 break; 737 } 738 739 dprintk(1, "open dev=%s radio=%d type=%s\n", 740 video_device_node_name(vdev), radio, v4l2_type_names[type]); 741 742 /* allocate + initialize per filehandle data */ 743 fh = kzalloc(sizeof(*fh), GFP_KERNEL); 744 if (NULL == fh) 745 return -ENOMEM; 746 747 file->private_data = fh; 748 fh->dev = dev; 749 fh->radio = radio; 750 fh->type = type; 751 fh->width = 320; 752 fh->height = 240; 753 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 754 755 videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, 756 &dev->pci->dev, &dev->slock, 757 V4L2_BUF_TYPE_VIDEO_CAPTURE, 758 V4L2_FIELD_INTERLACED, 759 sizeof(struct cx23885_buffer), 760 fh, NULL); 761 762 dprintk(1, "post videobuf_queue_init()\n"); 763 764 return 0; 765} 766 767static ssize_t video_read(struct file *file, char __user *data, 768 size_t count, loff_t *ppos) 769{ 770 struct cx23885_fh *fh = file->private_data; 771 772 switch (fh->type) { 773 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 774 if (res_locked(fh->dev, RESOURCE_VIDEO)) 775 return -EBUSY; 776 return videobuf_read_one(&fh->vidq, data, count, ppos, 777 file->f_flags & O_NONBLOCK); 778 case V4L2_BUF_TYPE_VBI_CAPTURE: 779 if (!res_get(fh->dev, fh, RESOURCE_VBI)) 780 return -EBUSY; 781 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, 782 file->f_flags & O_NONBLOCK); 783 default: 784 BUG(); 785 return 0; 786 } 787} 788 789static unsigned int video_poll(struct file *file, 790 struct poll_table_struct *wait) 791{ 792 struct cx23885_fh *fh = file->private_data; 793 struct cx23885_buffer *buf; 794 unsigned int rc = POLLERR; 795 796 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { 797 if (!res_get(fh->dev, fh, RESOURCE_VBI)) 798 return POLLERR; 799 return videobuf_poll_stream(file, &fh->vbiq, wait); 800 } 801 802 mutex_lock(&fh->vidq.vb_lock); 803 if (res_check(fh, RESOURCE_VIDEO)) { 804 /* streaming capture */ 805 if (list_empty(&fh->vidq.stream)) 806 goto done; 807 buf = list_entry(fh->vidq.stream.next, 808 struct cx23885_buffer, vb.stream); 809 } else { 810 /* read() capture */ 811 buf = (struct cx23885_buffer *)fh->vidq.read_buf; 812 if (NULL == buf) 813 goto done; 814 } 815 poll_wait(file, &buf->vb.done, wait); 816 if (buf->vb.state == VIDEOBUF_DONE || 817 buf->vb.state == VIDEOBUF_ERROR) 818 rc = POLLIN|POLLRDNORM; 819 else 820 rc = 0; 821done: 822 mutex_unlock(&fh->vidq.vb_lock); 823 return rc; 824} 825 826static int video_release(struct file *file) 827{ 828 struct cx23885_fh *fh = file->private_data; 829 struct cx23885_dev *dev = fh->dev; 830 831 /* turn off overlay */ 832 if (res_check(fh, RESOURCE_OVERLAY)) { 833 /* FIXME */ 834 res_free(dev, fh, RESOURCE_OVERLAY); 835 } 836 837 /* stop video capture */ 838 if (res_check(fh, RESOURCE_VIDEO)) { 839 videobuf_queue_cancel(&fh->vidq); 840 res_free(dev, fh, RESOURCE_VIDEO); 841 } 842 if (fh->vidq.read_buf) { 843 buffer_release(&fh->vidq, fh->vidq.read_buf); 844 kfree(fh->vidq.read_buf); 845 } 846 847 /* stop vbi capture */ 848 if (res_check(fh, RESOURCE_VBI)) { 849 if (fh->vbiq.streaming) 850 videobuf_streamoff(&fh->vbiq); 851 if (fh->vbiq.reading) 852 videobuf_read_stop(&fh->vbiq); 853 res_free(dev, fh, RESOURCE_VBI); 854 } 855 856 videobuf_mmap_free(&fh->vidq); 857 file->private_data = NULL; 858 kfree(fh); 859 860 /* We are not putting the tuner to sleep here on exit, because 861 * we want to use the mpeg encoder in another session to capture 862 * tuner video. Closing this will result in no video to the encoder. 863 */ 864 865 return 0; 866} 867 868static int video_mmap(struct file *file, struct vm_area_struct *vma) 869{ 870 struct cx23885_fh *fh = file->private_data; 871 872 return videobuf_mmap_mapper(get_queue(fh), vma); 873} 874 875/* ------------------------------------------------------------------ */ 876/* VIDEO CTRL IOCTLS */ 877 878static int cx23885_get_control(struct cx23885_dev *dev, 879 struct v4l2_control *ctl) 880{ 881 dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__); 882 call_all(dev, core, g_ctrl, ctl); 883 return 0; 884} 885 886static int cx23885_set_control(struct cx23885_dev *dev, 887 struct v4l2_control *ctl) 888{ 889 dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)\n", __func__); 890 call_all(dev, core, s_ctrl, ctl); 891 892 return 0; 893} 894 895static void init_controls(struct cx23885_dev *dev) 896{ 897 struct v4l2_control ctrl; 898 int i; 899 900 for (i = 0; i < CX23885_CTLS; i++) { 901 ctrl.id = cx23885_ctls[i].v.id; 902 ctrl.value = cx23885_ctls[i].v.default_value; 903 904 cx23885_set_control(dev, &ctrl); 905 } 906} 907 908/* ------------------------------------------------------------------ */ 909/* VIDEO IOCTLS */ 910 911static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 912 struct v4l2_format *f) 913{ 914 struct cx23885_fh *fh = priv; 915 916 f->fmt.pix.width = fh->width; 917 f->fmt.pix.height = fh->height; 918 f->fmt.pix.field = fh->vidq.field; 919 f->fmt.pix.pixelformat = fh->fmt->fourcc; 920 f->fmt.pix.bytesperline = 921 (f->fmt.pix.width * fh->fmt->depth) >> 3; 922 f->fmt.pix.sizeimage = 923 f->fmt.pix.height * f->fmt.pix.bytesperline; 924 925 return 0; 926} 927 928static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 929 struct v4l2_format *f) 930{ 931 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 932 struct cx23885_fmt *fmt; 933 enum v4l2_field field; 934 unsigned int maxw, maxh; 935 936 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 937 if (NULL == fmt) 938 return -EINVAL; 939 940 field = f->fmt.pix.field; 941 maxw = norm_maxw(dev->tvnorm); 942 maxh = norm_maxh(dev->tvnorm); 943 944 if (V4L2_FIELD_ANY == field) { 945 field = (f->fmt.pix.height > maxh/2) 946 ? V4L2_FIELD_INTERLACED 947 : V4L2_FIELD_BOTTOM; 948 } 949 950 switch (field) { 951 case V4L2_FIELD_TOP: 952 case V4L2_FIELD_BOTTOM: 953 maxh = maxh / 2; 954 break; 955 case V4L2_FIELD_INTERLACED: 956 break; 957 default: 958 return -EINVAL; 959 } 960 961 f->fmt.pix.field = field; 962 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 963 &f->fmt.pix.height, 32, maxh, 0, 0); 964 f->fmt.pix.bytesperline = 965 (f->fmt.pix.width * fmt->depth) >> 3; 966 f->fmt.pix.sizeimage = 967 f->fmt.pix.height * f->fmt.pix.bytesperline; 968 969 return 0; 970} 971 972static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 973 struct v4l2_format *f) 974{ 975 struct cx23885_fh *fh = priv; 976 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 977 struct v4l2_mbus_framefmt mbus_fmt; 978 int err; 979 980 dprintk(2, "%s()\n", __func__); 981 err = vidioc_try_fmt_vid_cap(file, priv, f); 982 983 if (0 != err) 984 return err; 985 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 986 fh->width = f->fmt.pix.width; 987 fh->height = f->fmt.pix.height; 988 fh->vidq.field = f->fmt.pix.field; 989 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, 990 fh->width, fh->height, fh->vidq.field); 991 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); 992 call_all(dev, video, s_mbus_fmt, &mbus_fmt); 993 v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); 994 return 0; 995} 996 997static int vidioc_querycap(struct file *file, void *priv, 998 struct v4l2_capability *cap) 999{ 1000 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1001 1002 strcpy(cap->driver, "cx23885"); 1003 strlcpy(cap->card, cx23885_boards[dev->board].name, 1004 sizeof(cap->card)); 1005 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 1006 cap->capabilities = 1007 V4L2_CAP_VIDEO_CAPTURE | 1008 V4L2_CAP_READWRITE | 1009 V4L2_CAP_STREAMING | 1010 V4L2_CAP_VBI_CAPTURE; 1011 if (UNSET != dev->tuner_type) 1012 cap->capabilities |= V4L2_CAP_TUNER; 1013 return 0; 1014} 1015 1016static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 1017 struct v4l2_fmtdesc *f) 1018{ 1019 if (unlikely(f->index >= ARRAY_SIZE(formats))) 1020 return -EINVAL; 1021 1022 strlcpy(f->description, formats[f->index].name, 1023 sizeof(f->description)); 1024 f->pixelformat = formats[f->index].fourcc; 1025 1026 return 0; 1027} 1028 1029static int vidioc_reqbufs(struct file *file, void *priv, 1030 struct v4l2_requestbuffers *p) 1031{ 1032 struct cx23885_fh *fh = priv; 1033 return videobuf_reqbufs(get_queue(fh), p); 1034} 1035 1036static int vidioc_querybuf(struct file *file, void *priv, 1037 struct v4l2_buffer *p) 1038{ 1039 struct cx23885_fh *fh = priv; 1040 return videobuf_querybuf(get_queue(fh), p); 1041} 1042 1043static int vidioc_qbuf(struct file *file, void *priv, 1044 struct v4l2_buffer *p) 1045{ 1046 struct cx23885_fh *fh = priv; 1047 return videobuf_qbuf(get_queue(fh), p); 1048} 1049 1050static int vidioc_dqbuf(struct file *file, void *priv, 1051 struct v4l2_buffer *p) 1052{ 1053 struct cx23885_fh *fh = priv; 1054 return videobuf_dqbuf(get_queue(fh), p, 1055 file->f_flags & O_NONBLOCK); 1056} 1057 1058static int vidioc_streamon(struct file *file, void *priv, 1059 enum v4l2_buf_type i) 1060{ 1061 struct cx23885_fh *fh = priv; 1062 struct cx23885_dev *dev = fh->dev; 1063 dprintk(1, "%s()\n", __func__); 1064 1065 if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) 1066 return -EINVAL; 1067 if (unlikely(i != fh->type)) 1068 return -EINVAL; 1069 1070 if (unlikely(!res_get(dev, fh, get_resource(fh)))) 1071 return -EBUSY; 1072 return videobuf_streamon(get_queue(fh)); 1073} 1074 1075static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) 1076{ 1077 struct cx23885_fh *fh = priv; 1078 struct cx23885_dev *dev = fh->dev; 1079 int err, res; 1080 dprintk(1, "%s()\n", __func__); 1081 1082 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1083 return -EINVAL; 1084 if (i != fh->type) 1085 return -EINVAL; 1086 1087 res = get_resource(fh); 1088 err = videobuf_streamoff(get_queue(fh)); 1089 if (err < 0) 1090 return err; 1091 res_free(dev, fh, res); 1092 return 0; 1093} 1094 1095static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) 1096{ 1097 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1098 dprintk(1, "%s()\n", __func__); 1099 1100 mutex_lock(&dev->lock); 1101 cx23885_set_tvnorm(dev, *tvnorms); 1102 mutex_unlock(&dev->lock); 1103 1104 return 0; 1105} 1106 1107static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) 1108{ 1109 static const char *iname[] = { 1110 [CX23885_VMUX_COMPOSITE1] = "Composite1", 1111 [CX23885_VMUX_COMPOSITE2] = "Composite2", 1112 [CX23885_VMUX_COMPOSITE3] = "Composite3", 1113 [CX23885_VMUX_COMPOSITE4] = "Composite4", 1114 [CX23885_VMUX_SVIDEO] = "S-Video", 1115 [CX23885_VMUX_COMPONENT] = "Component", 1116 [CX23885_VMUX_TELEVISION] = "Television", 1117 [CX23885_VMUX_CABLE] = "Cable TV", 1118 [CX23885_VMUX_DVB] = "DVB", 1119 [CX23885_VMUX_DEBUG] = "for debug only", 1120 }; 1121 unsigned int n; 1122 dprintk(1, "%s()\n", __func__); 1123 1124 n = i->index; 1125 if (n >= 4) 1126 return -EINVAL; 1127 1128 if (0 == INPUT(n)->type) 1129 return -EINVAL; 1130 1131 i->index = n; 1132 i->type = V4L2_INPUT_TYPE_CAMERA; 1133 strcpy(i->name, iname[INPUT(n)->type]); 1134 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || 1135 (CX23885_VMUX_CABLE == INPUT(n)->type)) { 1136 i->type = V4L2_INPUT_TYPE_TUNER; 1137 i->std = CX23885_NORMS; 1138 } 1139 return 0; 1140} 1141 1142static int vidioc_enum_input(struct file *file, void *priv, 1143 struct v4l2_input *i) 1144{ 1145 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1146 dprintk(1, "%s()\n", __func__); 1147 return cx23885_enum_input(dev, i); 1148} 1149 1150static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 1151{ 1152 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1153 1154 *i = dev->input; 1155 dprintk(1, "%s() returns %d\n", __func__, *i); 1156 return 0; 1157} 1158 1159static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 1160{ 1161 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1162 1163 dprintk(1, "%s(%d)\n", __func__, i); 1164 1165 if (i >= 4) { 1166 dprintk(1, "%s() -EINVAL\n", __func__); 1167 return -EINVAL; 1168 } 1169 1170 mutex_lock(&dev->lock); 1171 cx23885_video_mux(dev, i); 1172 mutex_unlock(&dev->lock); 1173 return 0; 1174} 1175 1176static int vidioc_log_status(struct file *file, void *priv) 1177{ 1178 struct cx23885_fh *fh = priv; 1179 struct cx23885_dev *dev = fh->dev; 1180 1181 printk(KERN_INFO 1182 "%s/0: ============ START LOG STATUS ============\n", 1183 dev->name); 1184 call_all(dev, core, log_status); 1185 printk(KERN_INFO 1186 "%s/0: ============= END LOG STATUS =============\n", 1187 dev->name); 1188 return 0; 1189} 1190 1191static int vidioc_queryctrl(struct file *file, void *priv, 1192 struct v4l2_queryctrl *qctrl) 1193{ 1194 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); 1195 if (unlikely(qctrl->id == 0)) 1196 return -EINVAL; 1197 return cx23885_ctrl_query(qctrl); 1198} 1199 1200static int vidioc_g_ctrl(struct file *file, void *priv, 1201 struct v4l2_control *ctl) 1202{ 1203 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1204 1205 return cx23885_get_control(dev, ctl); 1206} 1207 1208static int vidioc_s_ctrl(struct file *file, void *priv, 1209 struct v4l2_control *ctl) 1210{ 1211 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1212 1213 return cx23885_set_control(dev, ctl); 1214} 1215 1216static int vidioc_g_tuner(struct file *file, void *priv, 1217 struct v4l2_tuner *t) 1218{ 1219 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1220 1221 if (unlikely(UNSET == dev->tuner_type)) 1222 return -EINVAL; 1223 if (0 != t->index) 1224 return -EINVAL; 1225 1226 strcpy(t->name, "Television"); 1227 1228 call_all(dev, tuner, g_tuner, t); 1229 return 0; 1230} 1231 1232static int vidioc_s_tuner(struct file *file, void *priv, 1233 struct v4l2_tuner *t) 1234{ 1235 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1236 1237 if (UNSET == dev->tuner_type) 1238 return -EINVAL; 1239 if (0 != t->index) 1240 return -EINVAL; 1241 /* Update the A/V core */ 1242 call_all(dev, tuner, s_tuner, t); 1243 1244 return 0; 1245} 1246 1247static int vidioc_g_frequency(struct file *file, void *priv, 1248 struct v4l2_frequency *f) 1249{ 1250 struct cx23885_fh *fh = priv; 1251 struct cx23885_dev *dev = fh->dev; 1252 1253 if (unlikely(UNSET == dev->tuner_type)) 1254 return -EINVAL; 1255 1256 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ 1257 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 1258 f->frequency = dev->freq; 1259 1260 call_all(dev, tuner, g_frequency, f); 1261 1262 return 0; 1263} 1264 1265static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) 1266{ 1267 if (unlikely(UNSET == dev->tuner_type)) 1268 return -EINVAL; 1269 if (unlikely(f->tuner != 0)) 1270 return -EINVAL; 1271 1272 mutex_lock(&dev->lock); 1273 dev->freq = f->frequency; 1274 1275 call_all(dev, tuner, s_frequency, f); 1276 1277 /* When changing channels it is required to reset TVAUDIO */ 1278 msleep(10); 1279 1280 mutex_unlock(&dev->lock); 1281 1282 return 0; 1283} 1284 1285static int vidioc_s_frequency(struct file *file, void *priv, 1286 struct v4l2_frequency *f) 1287{ 1288 struct cx23885_fh *fh = priv; 1289 struct cx23885_dev *dev = fh->dev; 1290 1291 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) 1292 return -EINVAL; 1293 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) 1294 return -EINVAL; 1295 1296 return 1297 cx23885_set_freq(dev, f); 1298} 1299 1300/* ----------------------------------------------------------- */ 1301 1302static void cx23885_vid_timeout(unsigned long data) 1303{ 1304 struct cx23885_dev *dev = (struct cx23885_dev *)data; 1305 struct cx23885_dmaqueue *q = &dev->vidq; 1306 struct cx23885_buffer *buf; 1307 unsigned long flags; 1308 1309 cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); 1310 1311 cx_clear(VID_A_DMA_CTL, 0x11); 1312 1313 spin_lock_irqsave(&dev->slock, flags); 1314 while (!list_empty(&q->active)) { 1315 buf = list_entry(q->active.next, 1316 struct cx23885_buffer, vb.queue); 1317 list_del(&buf->vb.queue); 1318 buf->vb.state = VIDEOBUF_ERROR; 1319 wake_up(&buf->vb.done); 1320 printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n", 1321 dev->name, buf, buf->vb.i, 1322 (unsigned long)buf->risc.dma); 1323 } 1324 cx23885_restart_video_queue(dev, q); 1325 spin_unlock_irqrestore(&dev->slock, flags); 1326} 1327 1328int cx23885_video_irq(struct cx23885_dev *dev, u32 status) 1329{ 1330 u32 mask, count; 1331 int handled = 0; 1332 1333 mask = cx_read(VID_A_INT_MSK); 1334 if (0 == (status & mask)) 1335 return handled; 1336 cx_write(VID_A_INT_STAT, status); 1337 1338 dprintk(2, "%s() status = 0x%08x\n", __func__, status); 1339 /* risc op code error */ 1340 if (status & (1 << 16)) { 1341 printk(KERN_WARNING "%s/0: video risc op code error\n", 1342 dev->name); 1343 cx_clear(VID_A_DMA_CTL, 0x11); 1344 cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); 1345 } 1346 1347 /* risc1 y */ 1348 if (status & 0x01) { 1349 spin_lock(&dev->slock); 1350 count = cx_read(VID_A_GPCNT); 1351 cx23885_video_wakeup(dev, &dev->vidq, count); 1352 spin_unlock(&dev->slock); 1353 handled++; 1354 } 1355 /* risc2 y */ 1356 if (status & 0x10) { 1357 dprintk(2, "stopper video\n"); 1358 spin_lock(&dev->slock); 1359 cx23885_restart_video_queue(dev, &dev->vidq); 1360 spin_unlock(&dev->slock); 1361 handled++; 1362 } 1363 1364 return handled; 1365} 1366 1367/* ----------------------------------------------------------- */ 1368/* exported stuff */ 1369 1370static const struct v4l2_file_operations video_fops = { 1371 .owner = THIS_MODULE, 1372 .open = video_open, 1373 .release = video_release, 1374 .read = video_read, 1375 .poll = video_poll, 1376 .mmap = video_mmap, 1377 .ioctl = video_ioctl2, 1378}; 1379 1380static const struct v4l2_ioctl_ops video_ioctl_ops = { 1381 .vidioc_querycap = vidioc_querycap, 1382 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1383 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1384 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1385 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1386 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, 1387 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, 1388 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, 1389 .vidioc_reqbufs = vidioc_reqbufs, 1390 .vidioc_querybuf = vidioc_querybuf, 1391 .vidioc_qbuf = vidioc_qbuf, 1392 .vidioc_dqbuf = vidioc_dqbuf, 1393 .vidioc_s_std = vidioc_s_std, 1394 .vidioc_enum_input = vidioc_enum_input, 1395 .vidioc_g_input = vidioc_g_input, 1396 .vidioc_s_input = vidioc_s_input, 1397 .vidioc_log_status = vidioc_log_status, 1398 .vidioc_queryctrl = vidioc_queryctrl, 1399 .vidioc_g_ctrl = vidioc_g_ctrl, 1400 .vidioc_s_ctrl = vidioc_s_ctrl, 1401 .vidioc_streamon = vidioc_streamon, 1402 .vidioc_streamoff = vidioc_streamoff, 1403 .vidioc_g_tuner = vidioc_g_tuner, 1404 .vidioc_s_tuner = vidioc_s_tuner, 1405 .vidioc_g_frequency = vidioc_g_frequency, 1406 .vidioc_s_frequency = vidioc_s_frequency, 1407 .vidioc_g_chip_ident = cx23885_g_chip_ident, 1408#ifdef CONFIG_VIDEO_ADV_DEBUG 1409 .vidioc_g_register = cx23885_g_register, 1410 .vidioc_s_register = cx23885_s_register, 1411#endif 1412}; 1413 1414static struct video_device cx23885_vbi_template; 1415static struct video_device cx23885_video_template = { 1416 .name = "cx23885-video", 1417 .fops = &video_fops, 1418 .ioctl_ops = &video_ioctl_ops, 1419 .tvnorms = CX23885_NORMS, 1420 .current_norm = V4L2_STD_NTSC_M, 1421}; 1422 1423static const struct v4l2_file_operations radio_fops = { 1424 .owner = THIS_MODULE, 1425 .open = video_open, 1426 .release = video_release, 1427 .ioctl = video_ioctl2, 1428}; 1429 1430 1431void cx23885_video_unregister(struct cx23885_dev *dev) 1432{ 1433 dprintk(1, "%s()\n", __func__); 1434 cx23885_irq_remove(dev, 0x01); 1435 1436 if (dev->video_dev) { 1437 if (video_is_registered(dev->video_dev)) 1438 video_unregister_device(dev->video_dev); 1439 else 1440 video_device_release(dev->video_dev); 1441 dev->video_dev = NULL; 1442 1443 btcx_riscmem_free(dev->pci, &dev->vidq.stopper); 1444 } 1445 1446 if (dev->audio_dev) 1447 cx23885_audio_finidev(dev); 1448} 1449 1450int cx23885_video_register(struct cx23885_dev *dev) 1451{ 1452 int err; 1453 1454 dprintk(1, "%s()\n", __func__); 1455 spin_lock_init(&dev->slock); 1456 1457 /* Initialize VBI template */ 1458 memcpy(&cx23885_vbi_template, &cx23885_video_template, 1459 sizeof(cx23885_vbi_template)); 1460 strcpy(cx23885_vbi_template.name, "cx23885-vbi"); 1461 1462 dev->tvnorm = cx23885_video_template.current_norm; 1463 1464 /* init video dma queues */ 1465 INIT_LIST_HEAD(&dev->vidq.active); 1466 INIT_LIST_HEAD(&dev->vidq.queued); 1467 dev->vidq.timeout.function = cx23885_vid_timeout; 1468 dev->vidq.timeout.data = (unsigned long)dev; 1469 init_timer(&dev->vidq.timeout); 1470 cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, 1471 VID_A_DMA_CTL, 0x11, 0x00); 1472 1473 /* Don't enable VBI yet */ 1474 1475 cx23885_irq_add_enable(dev, 0x01); 1476 1477 if ((TUNER_ABSENT != dev->tuner_type) && 1478 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { 1479 struct v4l2_subdev *sd = NULL; 1480 1481 if (dev->tuner_addr) 1482 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1483 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1484 "tuner", dev->tuner_addr, NULL); 1485 else 1486 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1487 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1488 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); 1489 if (sd) { 1490 struct tuner_setup tun_setup; 1491 1492 memset(&tun_setup, 0, sizeof(tun_setup)); 1493 tun_setup.mode_mask = T_ANALOG_TV; 1494 tun_setup.type = dev->tuner_type; 1495 tun_setup.addr = v4l2_i2c_subdev_addr(sd); 1496 tun_setup.tuner_callback = cx23885_tuner_callback; 1497 1498 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); 1499 1500 if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) { 1501 struct xc2028_ctrl ctrl = { 1502 .fname = XC2028_DEFAULT_FIRMWARE, 1503 .max_len = 64 1504 }; 1505 struct v4l2_priv_tun_config cfg = { 1506 .tuner = dev->tuner_type, 1507 .priv = &ctrl 1508 }; 1509 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1510 } 1511 } 1512 } 1513 1514 /* register v4l devices */ 1515 dev->video_dev = cx23885_vdev_init(dev, dev->pci, 1516 &cx23885_video_template, "video"); 1517 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, 1518 video_nr[dev->nr]); 1519 if (err < 0) { 1520 printk(KERN_INFO "%s: can't register video device\n", 1521 dev->name); 1522 goto fail_unreg; 1523 } 1524 printk(KERN_INFO "%s/0: registered device %s [v4l2]\n", 1525 dev->name, video_device_node_name(dev->video_dev)); 1526 1527 /* Register ALSA audio device */ 1528 dev->audio_dev = cx23885_audio_initdev(dev); 1529 1530 /* initial device configuration */ 1531 mutex_lock(&dev->lock); 1532 cx23885_set_tvnorm(dev, dev->tvnorm); 1533 init_controls(dev); 1534 cx23885_video_mux(dev, 0); 1535 mutex_unlock(&dev->lock); 1536 1537 return 0; 1538 1539fail_unreg: 1540 cx23885_video_unregister(dev); 1541 return err; 1542} 1543 1544