cx23885-video.c revision 9a1f8b34aa539000da17a06235e4bec254d0bfb5
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 40MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); 41MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); 42MODULE_LICENSE("GPL"); 43 44/* ------------------------------------------------------------------ */ 45 46static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 47static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 48static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 49 50module_param_array(video_nr, int, NULL, 0444); 51module_param_array(vbi_nr, int, NULL, 0444); 52module_param_array(radio_nr, int, NULL, 0444); 53 54MODULE_PARM_DESC(video_nr, "video device numbers"); 55MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 56MODULE_PARM_DESC(radio_nr, "radio device numbers"); 57 58static unsigned int video_debug; 59module_param(video_debug, int, 0644); 60MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 61 62static unsigned int irq_debug; 63module_param(irq_debug, int, 0644); 64MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); 65 66static unsigned int vid_limit = 16; 67module_param(vid_limit, int, 0644); 68MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); 69 70#define dprintk(level, fmt, arg...)\ 71 do { if (video_debug >= level)\ 72 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\ 73 } while (0) 74 75/* ------------------------------------------------------------------- */ 76/* static data */ 77 78#define FORMAT_FLAGS_PACKED 0x01 79 80static struct cx23885_fmt formats[] = { 81 { 82 .name = "8 bpp, gray", 83 .fourcc = V4L2_PIX_FMT_GREY, 84 .depth = 8, 85 .flags = FORMAT_FLAGS_PACKED, 86 }, { 87 .name = "15 bpp RGB, le", 88 .fourcc = V4L2_PIX_FMT_RGB555, 89 .depth = 16, 90 .flags = FORMAT_FLAGS_PACKED, 91 }, { 92 .name = "15 bpp RGB, be", 93 .fourcc = V4L2_PIX_FMT_RGB555X, 94 .depth = 16, 95 .flags = FORMAT_FLAGS_PACKED, 96 }, { 97 .name = "16 bpp RGB, le", 98 .fourcc = V4L2_PIX_FMT_RGB565, 99 .depth = 16, 100 .flags = FORMAT_FLAGS_PACKED, 101 }, { 102 .name = "16 bpp RGB, be", 103 .fourcc = V4L2_PIX_FMT_RGB565X, 104 .depth = 16, 105 .flags = FORMAT_FLAGS_PACKED, 106 }, { 107 .name = "24 bpp RGB, le", 108 .fourcc = V4L2_PIX_FMT_BGR24, 109 .depth = 24, 110 .flags = FORMAT_FLAGS_PACKED, 111 }, { 112 .name = "32 bpp RGB, le", 113 .fourcc = V4L2_PIX_FMT_BGR32, 114 .depth = 32, 115 .flags = FORMAT_FLAGS_PACKED, 116 }, { 117 .name = "32 bpp RGB, be", 118 .fourcc = V4L2_PIX_FMT_RGB32, 119 .depth = 32, 120 .flags = FORMAT_FLAGS_PACKED, 121 }, { 122 .name = "4:2:2, packed, YUYV", 123 .fourcc = V4L2_PIX_FMT_YUYV, 124 .depth = 16, 125 .flags = FORMAT_FLAGS_PACKED, 126 }, { 127 .name = "4:2:2, packed, UYVY", 128 .fourcc = V4L2_PIX_FMT_UYVY, 129 .depth = 16, 130 .flags = FORMAT_FLAGS_PACKED, 131 }, 132}; 133 134static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) 135{ 136 unsigned int i; 137 138 for (i = 0; i < ARRAY_SIZE(formats); i++) 139 if (formats[i].fourcc == fourcc) 140 return formats+i; 141 142 printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc); 143 return NULL; 144} 145 146/* ------------------------------------------------------------------- */ 147 148static const struct v4l2_queryctrl no_ctl = { 149 .name = "42", 150 .flags = V4L2_CTRL_FLAG_DISABLED, 151}; 152 153static struct cx23885_ctrl cx23885_ctls[] = { 154 /* --- video --- */ 155 { 156 .v = { 157 .id = V4L2_CID_BRIGHTNESS, 158 .name = "Brightness", 159 .minimum = 0x00, 160 .maximum = 0xff, 161 .step = 1, 162 .default_value = 0x7f, 163 .type = V4L2_CTRL_TYPE_INTEGER, 164 }, 165 .off = 128, 166 .reg = LUMA_CTRL, 167 .mask = 0x00ff, 168 .shift = 0, 169 }, { 170 .v = { 171 .id = V4L2_CID_CONTRAST, 172 .name = "Contrast", 173 .minimum = 0, 174 .maximum = 0xff, 175 .step = 1, 176 .default_value = 0x3f, 177 .type = V4L2_CTRL_TYPE_INTEGER, 178 }, 179 .off = 0, 180 .reg = LUMA_CTRL, 181 .mask = 0xff00, 182 .shift = 8, 183 }, { 184 .v = { 185 .id = V4L2_CID_HUE, 186 .name = "Hue", 187 .minimum = 0, 188 .maximum = 0xff, 189 .step = 1, 190 .default_value = 0x7f, 191 .type = V4L2_CTRL_TYPE_INTEGER, 192 }, 193 .off = 128, 194 .reg = CHROMA_CTRL, 195 .mask = 0xff0000, 196 .shift = 16, 197 }, { 198 /* strictly, this only describes only U saturation. 199 * V saturation is handled specially through code. 200 */ 201 .v = { 202 .id = V4L2_CID_SATURATION, 203 .name = "Saturation", 204 .minimum = 0, 205 .maximum = 0xff, 206 .step = 1, 207 .default_value = 0x7f, 208 .type = V4L2_CTRL_TYPE_INTEGER, 209 }, 210 .off = 0, 211 .reg = CHROMA_CTRL, 212 .mask = 0x00ff, 213 .shift = 0, 214 }, { 215 /* --- audio --- */ 216 .v = { 217 .id = V4L2_CID_AUDIO_MUTE, 218 .name = "Mute", 219 .minimum = 0, 220 .maximum = 1, 221 .default_value = 1, 222 .type = V4L2_CTRL_TYPE_BOOLEAN, 223 }, 224 .reg = PATH1_CTL1, 225 .mask = (0x1f << 24), 226 .shift = 24, 227 }, { 228 .v = { 229 .id = V4L2_CID_AUDIO_VOLUME, 230 .name = "Volume", 231 .minimum = 0, 232 .maximum = 0x3f, 233 .step = 1, 234 .default_value = 0x3f, 235 .type = V4L2_CTRL_TYPE_INTEGER, 236 }, 237 .reg = PATH1_VOL_CTL, 238 .mask = 0xff, 239 .shift = 0, 240 } 241}; 242static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls); 243 244/* Must be sorted from low to high control ID! */ 245static const u32 cx23885_user_ctrls[] = { 246 V4L2_CID_USER_CLASS, 247 V4L2_CID_BRIGHTNESS, 248 V4L2_CID_CONTRAST, 249 V4L2_CID_SATURATION, 250 V4L2_CID_HUE, 251 V4L2_CID_AUDIO_VOLUME, 252 V4L2_CID_AUDIO_MUTE, 253 0 254}; 255 256static const u32 *ctrl_classes[] = { 257 cx23885_user_ctrls, 258 NULL 259}; 260 261static void cx23885_video_wakeup(struct cx23885_dev *dev, 262 struct cx23885_dmaqueue *q, u32 count) 263{ 264 struct cx23885_buffer *buf; 265 int bc; 266 267 for (bc = 0;; bc++) { 268 if (list_empty(&q->active)) 269 break; 270 buf = list_entry(q->active.next, 271 struct cx23885_buffer, vb.queue); 272 273 /* count comes from the hw and is is 16bit wide -- 274 * this trick handles wrap-arounds correctly for 275 * up to 32767 buffers in flight... */ 276 if ((s16) (count - buf->count) < 0) 277 break; 278 279 do_gettimeofday(&buf->vb.ts); 280 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, 281 count, buf->count); 282 buf->vb.state = VIDEOBUF_DONE; 283 list_del(&buf->vb.queue); 284 wake_up(&buf->vb.done); 285 } 286 if (list_empty(&q->active)) 287 del_timer(&q->timeout); 288 else 289 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 290 if (bc != 1) 291 printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", 292 __func__, bc); 293} 294 295static int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) 296{ 297 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", 298 __func__, 299 (unsigned int)norm, 300 v4l2_norm_to_name(norm)); 301 302 dev->tvnorm = norm; 303 304 call_all(dev, core, s_std, norm); 305 306 return 0; 307} 308 309static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, 310 struct pci_dev *pci, 311 struct video_device *template, 312 char *type) 313{ 314 struct video_device *vfd; 315 dprintk(1, "%s()\n", __func__); 316 317 vfd = video_device_alloc(); 318 if (NULL == vfd) 319 return NULL; 320 *vfd = *template; 321 vfd->v4l2_dev = &dev->v4l2_dev; 322 vfd->release = video_device_release; 323 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", 324 dev->name, type, cx23885_boards[dev->board].name); 325 video_set_drvdata(vfd, dev); 326 return vfd; 327} 328 329static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) 330{ 331 int i; 332 333 if (qctrl->id < V4L2_CID_BASE || 334 qctrl->id >= V4L2_CID_LASTP1) 335 return -EINVAL; 336 for (i = 0; i < CX23885_CTLS; i++) 337 if (cx23885_ctls[i].v.id == qctrl->id) 338 break; 339 if (i == CX23885_CTLS) { 340 *qctrl = no_ctl; 341 return 0; 342 } 343 *qctrl = cx23885_ctls[i].v; 344 return 0; 345} 346 347/* ------------------------------------------------------------------- */ 348/* resource management */ 349 350static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, 351 unsigned int bit) 352{ 353 dprintk(1, "%s()\n", __func__); 354 if (fh->resources & bit) 355 /* have it already allocated */ 356 return 1; 357 358 /* is it free? */ 359 mutex_lock(&dev->lock); 360 if (dev->resources & bit) { 361 /* no, someone else uses it */ 362 mutex_unlock(&dev->lock); 363 return 0; 364 } 365 /* it's free, grab it */ 366 fh->resources |= bit; 367 dev->resources |= bit; 368 dprintk(1, "res: get %d\n", bit); 369 mutex_unlock(&dev->lock); 370 return 1; 371} 372 373static int res_check(struct cx23885_fh *fh, unsigned int bit) 374{ 375 return fh->resources & bit; 376} 377 378static int res_locked(struct cx23885_dev *dev, unsigned int bit) 379{ 380 return dev->resources & bit; 381} 382 383static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, 384 unsigned int bits) 385{ 386 BUG_ON((fh->resources & bits) != bits); 387 dprintk(1, "%s()\n", __func__); 388 389 mutex_lock(&dev->lock); 390 fh->resources &= ~bits; 391 dev->resources &= ~bits; 392 dprintk(1, "res: put %d\n", bits); 393 mutex_unlock(&dev->lock); 394} 395 396static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) 397{ 398 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", 399 __func__, 400 input, INPUT(input)->vmux, 401 INPUT(input)->gpio0, INPUT(input)->gpio1, 402 INPUT(input)->gpio2, INPUT(input)->gpio3); 403 dev->input = input; 404 405 if (dev->board == CX23885_BOARD_MYGICA_X8506 || 406 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2) { 407 /* Select Analog TV */ 408 if (INPUT(input)->type == CX23885_VMUX_TELEVISION) 409 cx23885_gpio_clear(dev, GPIO_0); 410 } 411 412 /* Tell the internal A/V decoder */ 413 v4l2_subdev_call(dev->sd_cx25840, video, s_routing, 414 INPUT(input)->vmux, 0, 0); 415 416 return 0; 417} 418 419/* ------------------------------------------------------------------ */ 420static int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width, 421 unsigned int height, enum v4l2_field field) 422{ 423 dprintk(1, "%s()\n", __func__); 424 return 0; 425} 426 427static int cx23885_start_video_dma(struct cx23885_dev *dev, 428 struct cx23885_dmaqueue *q, 429 struct cx23885_buffer *buf) 430{ 431 dprintk(1, "%s()\n", __func__); 432 433 /* setup fifo + format */ 434 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], 435 buf->bpl, buf->risc.dma); 436 cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field); 437 438 /* reset counter */ 439 cx_write(VID_A_GPCNT_CTL, 3); 440 q->count = 1; 441 442 /* enable irq */ 443 cx23885_irq_add_enable(dev, 0x01); 444 cx_set(VID_A_INT_MSK, 0x000011); 445 446 /* start dma */ 447 cx_set(DEV_CNTRL2, (1<<5)); 448 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ 449 450 return 0; 451} 452 453 454static int cx23885_restart_video_queue(struct cx23885_dev *dev, 455 struct cx23885_dmaqueue *q) 456{ 457 struct cx23885_buffer *buf, *prev; 458 struct list_head *item; 459 dprintk(1, "%s()\n", __func__); 460 461 if (!list_empty(&q->active)) { 462 buf = list_entry(q->active.next, struct cx23885_buffer, 463 vb.queue); 464 dprintk(2, "restart_queue [%p/%d]: restart dma\n", 465 buf, buf->vb.i); 466 cx23885_start_video_dma(dev, q, buf); 467 list_for_each(item, &q->active) { 468 buf = list_entry(item, struct cx23885_buffer, 469 vb.queue); 470 buf->count = q->count++; 471 } 472 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 473 return 0; 474 } 475 476 prev = NULL; 477 for (;;) { 478 if (list_empty(&q->queued)) 479 return 0; 480 buf = list_entry(q->queued.next, struct cx23885_buffer, 481 vb.queue); 482 if (NULL == prev) { 483 list_move_tail(&buf->vb.queue, &q->active); 484 cx23885_start_video_dma(dev, q, buf); 485 buf->vb.state = VIDEOBUF_ACTIVE; 486 buf->count = q->count++; 487 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 488 dprintk(2, "[%p/%d] restart_queue - first active\n", 489 buf, buf->vb.i); 490 491 } else if (prev->vb.width == buf->vb.width && 492 prev->vb.height == buf->vb.height && 493 prev->fmt == buf->fmt) { 494 list_move_tail(&buf->vb.queue, &q->active); 495 buf->vb.state = VIDEOBUF_ACTIVE; 496 buf->count = q->count++; 497 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 498 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ 499 dprintk(2, "[%p/%d] restart_queue - move to active\n", 500 buf, buf->vb.i); 501 } else { 502 return 0; 503 } 504 prev = buf; 505 } 506} 507 508static int buffer_setup(struct videobuf_queue *q, unsigned int *count, 509 unsigned int *size) 510{ 511 struct cx23885_fh *fh = q->priv_data; 512 513 *size = fh->fmt->depth*fh->width*fh->height >> 3; 514 if (0 == *count) 515 *count = 32; 516 if (*size * *count > vid_limit * 1024 * 1024) 517 *count = (vid_limit * 1024 * 1024) / *size; 518 return 0; 519} 520 521static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 522 enum v4l2_field field) 523{ 524 struct cx23885_fh *fh = q->priv_data; 525 struct cx23885_dev *dev = fh->dev; 526 struct cx23885_buffer *buf = 527 container_of(vb, struct cx23885_buffer, vb); 528 int rc, init_buffer = 0; 529 u32 line0_offset, line1_offset; 530 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); 531 532 BUG_ON(NULL == fh->fmt); 533 if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || 534 fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) 535 return -EINVAL; 536 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; 537 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) 538 return -EINVAL; 539 540 if (buf->fmt != fh->fmt || 541 buf->vb.width != fh->width || 542 buf->vb.height != fh->height || 543 buf->vb.field != field) { 544 buf->fmt = fh->fmt; 545 buf->vb.width = fh->width; 546 buf->vb.height = fh->height; 547 buf->vb.field = field; 548 init_buffer = 1; 549 } 550 551 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 552 init_buffer = 1; 553 rc = videobuf_iolock(q, &buf->vb, NULL); 554 if (0 != rc) 555 goto fail; 556 } 557 558 if (init_buffer) { 559 buf->bpl = buf->vb.width * buf->fmt->depth >> 3; 560 switch (buf->vb.field) { 561 case V4L2_FIELD_TOP: 562 cx23885_risc_buffer(dev->pci, &buf->risc, 563 dma->sglist, 0, UNSET, 564 buf->bpl, 0, buf->vb.height); 565 break; 566 case V4L2_FIELD_BOTTOM: 567 cx23885_risc_buffer(dev->pci, &buf->risc, 568 dma->sglist, UNSET, 0, 569 buf->bpl, 0, buf->vb.height); 570 break; 571 case V4L2_FIELD_INTERLACED: 572 if (dev->tvnorm & V4L2_STD_NTSC) { 573 /* cx25840 transmits NTSC bottom field first */ 574 dprintk(1, "%s() Creating NTSC risc\n", 575 __func__); 576 line0_offset = buf->bpl; 577 line1_offset = 0; 578 } else { 579 /* All other formats are top field first */ 580 dprintk(1, "%s() Creating PAL/SECAM risc\n", 581 __func__); 582 line0_offset = 0; 583 line1_offset = buf->bpl; 584 } 585 cx23885_risc_buffer(dev->pci, &buf->risc, 586 dma->sglist, line0_offset, 587 line1_offset, 588 buf->bpl, buf->bpl, 589 buf->vb.height >> 1); 590 break; 591 case V4L2_FIELD_SEQ_TB: 592 cx23885_risc_buffer(dev->pci, &buf->risc, 593 dma->sglist, 594 0, buf->bpl * (buf->vb.height >> 1), 595 buf->bpl, 0, 596 buf->vb.height >> 1); 597 break; 598 case V4L2_FIELD_SEQ_BT: 599 cx23885_risc_buffer(dev->pci, &buf->risc, 600 dma->sglist, 601 buf->bpl * (buf->vb.height >> 1), 0, 602 buf->bpl, 0, 603 buf->vb.height >> 1); 604 break; 605 default: 606 BUG(); 607 } 608 } 609 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 610 buf, buf->vb.i, 611 fh->width, fh->height, fh->fmt->depth, fh->fmt->name, 612 (unsigned long)buf->risc.dma); 613 614 buf->vb.state = VIDEOBUF_PREPARED; 615 return 0; 616 617 fail: 618 cx23885_free_buffer(q, buf); 619 return rc; 620} 621 622static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 623{ 624 struct cx23885_buffer *buf = container_of(vb, 625 struct cx23885_buffer, vb); 626 struct cx23885_buffer *prev; 627 struct cx23885_fh *fh = vq->priv_data; 628 struct cx23885_dev *dev = fh->dev; 629 struct cx23885_dmaqueue *q = &dev->vidq; 630 631 /* add jump to stopper */ 632 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); 633 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); 634 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 635 636 if (!list_empty(&q->queued)) { 637 list_add_tail(&buf->vb.queue, &q->queued); 638 buf->vb.state = VIDEOBUF_QUEUED; 639 dprintk(2, "[%p/%d] buffer_queue - append to queued\n", 640 buf, buf->vb.i); 641 642 } else if (list_empty(&q->active)) { 643 list_add_tail(&buf->vb.queue, &q->active); 644 cx23885_start_video_dma(dev, q, buf); 645 buf->vb.state = VIDEOBUF_ACTIVE; 646 buf->count = q->count++; 647 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 648 dprintk(2, "[%p/%d] buffer_queue - first active\n", 649 buf, buf->vb.i); 650 651 } else { 652 prev = list_entry(q->active.prev, struct cx23885_buffer, 653 vb.queue); 654 if (prev->vb.width == buf->vb.width && 655 prev->vb.height == buf->vb.height && 656 prev->fmt == buf->fmt) { 657 list_add_tail(&buf->vb.queue, &q->active); 658 buf->vb.state = VIDEOBUF_ACTIVE; 659 buf->count = q->count++; 660 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 661 /* 64 bit bits 63-32 */ 662 prev->risc.jmp[2] = cpu_to_le32(0); 663 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 664 buf, buf->vb.i); 665 666 } else { 667 list_add_tail(&buf->vb.queue, &q->queued); 668 buf->vb.state = VIDEOBUF_QUEUED; 669 dprintk(2, "[%p/%d] buffer_queue - first queued\n", 670 buf, buf->vb.i); 671 } 672 } 673} 674 675static void buffer_release(struct videobuf_queue *q, 676 struct videobuf_buffer *vb) 677{ 678 struct cx23885_buffer *buf = container_of(vb, 679 struct cx23885_buffer, vb); 680 681 cx23885_free_buffer(q, buf); 682} 683 684static struct videobuf_queue_ops cx23885_video_qops = { 685 .buf_setup = buffer_setup, 686 .buf_prepare = buffer_prepare, 687 .buf_queue = buffer_queue, 688 .buf_release = buffer_release, 689}; 690 691static struct videobuf_queue *get_queue(struct cx23885_fh *fh) 692{ 693 switch (fh->type) { 694 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 695 return &fh->vidq; 696 case V4L2_BUF_TYPE_VBI_CAPTURE: 697 return &fh->vbiq; 698 default: 699 BUG(); 700 return NULL; 701 } 702} 703 704static int get_resource(struct cx23885_fh *fh) 705{ 706 switch (fh->type) { 707 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 708 return RESOURCE_VIDEO; 709 case V4L2_BUF_TYPE_VBI_CAPTURE: 710 return RESOURCE_VBI; 711 default: 712 BUG(); 713 return 0; 714 } 715} 716 717static int video_open(struct file *file) 718{ 719 struct video_device *vdev = video_devdata(file); 720 struct cx23885_dev *dev = video_drvdata(file); 721 struct cx23885_fh *fh; 722 enum v4l2_buf_type type = 0; 723 int radio = 0; 724 725 switch (vdev->vfl_type) { 726 case VFL_TYPE_GRABBER: 727 type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 728 break; 729 case VFL_TYPE_VBI: 730 type = V4L2_BUF_TYPE_VBI_CAPTURE; 731 break; 732 case VFL_TYPE_RADIO: 733 radio = 1; 734 break; 735 } 736 737 dprintk(1, "open dev=%s radio=%d type=%s\n", 738 video_device_node_name(vdev), radio, v4l2_type_names[type]); 739 740 /* allocate + initialize per filehandle data */ 741 fh = kzalloc(sizeof(*fh), GFP_KERNEL); 742 if (NULL == fh) 743 return -ENOMEM; 744 745 file->private_data = fh; 746 fh->dev = dev; 747 fh->radio = radio; 748 fh->type = type; 749 fh->width = 320; 750 fh->height = 240; 751 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); 752 753 videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, 754 &dev->pci->dev, &dev->slock, 755 V4L2_BUF_TYPE_VIDEO_CAPTURE, 756 V4L2_FIELD_INTERLACED, 757 sizeof(struct cx23885_buffer), 758 fh, NULL); 759 760 dprintk(1, "post videobuf_queue_init()\n"); 761 762 return 0; 763} 764 765static ssize_t video_read(struct file *file, char __user *data, 766 size_t count, loff_t *ppos) 767{ 768 struct cx23885_fh *fh = file->private_data; 769 770 switch (fh->type) { 771 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 772 if (res_locked(fh->dev, RESOURCE_VIDEO)) 773 return -EBUSY; 774 return videobuf_read_one(&fh->vidq, data, count, ppos, 775 file->f_flags & O_NONBLOCK); 776 case V4L2_BUF_TYPE_VBI_CAPTURE: 777 if (!res_get(fh->dev, fh, RESOURCE_VBI)) 778 return -EBUSY; 779 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, 780 file->f_flags & O_NONBLOCK); 781 default: 782 BUG(); 783 return 0; 784 } 785} 786 787static unsigned int video_poll(struct file *file, 788 struct poll_table_struct *wait) 789{ 790 struct cx23885_fh *fh = file->private_data; 791 struct cx23885_buffer *buf; 792 unsigned int rc = POLLERR; 793 794 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { 795 if (!res_get(fh->dev, fh, RESOURCE_VBI)) 796 return POLLERR; 797 return videobuf_poll_stream(file, &fh->vbiq, wait); 798 } 799 800 mutex_lock(&fh->vidq.vb_lock); 801 if (res_check(fh, RESOURCE_VIDEO)) { 802 /* streaming capture */ 803 if (list_empty(&fh->vidq.stream)) 804 goto done; 805 buf = list_entry(fh->vidq.stream.next, 806 struct cx23885_buffer, vb.stream); 807 } else { 808 /* read() capture */ 809 buf = (struct cx23885_buffer *)fh->vidq.read_buf; 810 if (NULL == buf) 811 goto done; 812 } 813 poll_wait(file, &buf->vb.done, wait); 814 if (buf->vb.state == VIDEOBUF_DONE || 815 buf->vb.state == VIDEOBUF_ERROR) 816 rc = POLLIN|POLLRDNORM; 817 else 818 rc = 0; 819done: 820 mutex_unlock(&fh->vidq.vb_lock); 821 return rc; 822} 823 824static int video_release(struct file *file) 825{ 826 struct cx23885_fh *fh = file->private_data; 827 struct cx23885_dev *dev = fh->dev; 828 829 /* turn off overlay */ 830 if (res_check(fh, RESOURCE_OVERLAY)) { 831 /* FIXME */ 832 res_free(dev, fh, RESOURCE_OVERLAY); 833 } 834 835 /* stop video capture */ 836 if (res_check(fh, RESOURCE_VIDEO)) { 837 videobuf_queue_cancel(&fh->vidq); 838 res_free(dev, fh, RESOURCE_VIDEO); 839 } 840 if (fh->vidq.read_buf) { 841 buffer_release(&fh->vidq, fh->vidq.read_buf); 842 kfree(fh->vidq.read_buf); 843 } 844 845 /* stop vbi capture */ 846 if (res_check(fh, RESOURCE_VBI)) { 847 if (fh->vbiq.streaming) 848 videobuf_streamoff(&fh->vbiq); 849 if (fh->vbiq.reading) 850 videobuf_read_stop(&fh->vbiq); 851 res_free(dev, fh, RESOURCE_VBI); 852 } 853 854 videobuf_mmap_free(&fh->vidq); 855 file->private_data = NULL; 856 kfree(fh); 857 858 /* We are not putting the tuner to sleep here on exit, because 859 * we want to use the mpeg encoder in another session to capture 860 * tuner video. Closing this will result in no video to the encoder. 861 */ 862 863 return 0; 864} 865 866static int video_mmap(struct file *file, struct vm_area_struct *vma) 867{ 868 struct cx23885_fh *fh = file->private_data; 869 870 return videobuf_mmap_mapper(get_queue(fh), vma); 871} 872 873/* ------------------------------------------------------------------ */ 874/* VIDEO CTRL IOCTLS */ 875 876static int cx23885_get_control(struct cx23885_dev *dev, 877 struct v4l2_control *ctl) 878{ 879 dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__); 880 call_all(dev, core, g_ctrl, ctl); 881 return 0; 882} 883 884static int cx23885_set_control(struct cx23885_dev *dev, 885 struct v4l2_control *ctl) 886{ 887 dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)" 888 " (disabled - no action)\n", __func__); 889 return 0; 890} 891 892static void init_controls(struct cx23885_dev *dev) 893{ 894 struct v4l2_control ctrl; 895 int i; 896 897 for (i = 0; i < CX23885_CTLS; i++) { 898 ctrl.id = cx23885_ctls[i].v.id; 899 ctrl.value = cx23885_ctls[i].v.default_value; 900 901 cx23885_set_control(dev, &ctrl); 902 } 903} 904 905/* ------------------------------------------------------------------ */ 906/* VIDEO IOCTLS */ 907 908static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 909 struct v4l2_format *f) 910{ 911 struct cx23885_fh *fh = priv; 912 913 f->fmt.pix.width = fh->width; 914 f->fmt.pix.height = fh->height; 915 f->fmt.pix.field = fh->vidq.field; 916 f->fmt.pix.pixelformat = fh->fmt->fourcc; 917 f->fmt.pix.bytesperline = 918 (f->fmt.pix.width * fh->fmt->depth) >> 3; 919 f->fmt.pix.sizeimage = 920 f->fmt.pix.height * f->fmt.pix.bytesperline; 921 922 return 0; 923} 924 925static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 926 struct v4l2_format *f) 927{ 928 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 929 struct cx23885_fmt *fmt; 930 enum v4l2_field field; 931 unsigned int maxw, maxh; 932 933 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 934 if (NULL == fmt) 935 return -EINVAL; 936 937 field = f->fmt.pix.field; 938 maxw = norm_maxw(dev->tvnorm); 939 maxh = norm_maxh(dev->tvnorm); 940 941 if (V4L2_FIELD_ANY == field) { 942 field = (f->fmt.pix.height > maxh/2) 943 ? V4L2_FIELD_INTERLACED 944 : V4L2_FIELD_BOTTOM; 945 } 946 947 switch (field) { 948 case V4L2_FIELD_TOP: 949 case V4L2_FIELD_BOTTOM: 950 maxh = maxh / 2; 951 break; 952 case V4L2_FIELD_INTERLACED: 953 break; 954 default: 955 return -EINVAL; 956 } 957 958 f->fmt.pix.field = field; 959 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 960 &f->fmt.pix.height, 32, maxh, 0, 0); 961 f->fmt.pix.bytesperline = 962 (f->fmt.pix.width * fmt->depth) >> 3; 963 f->fmt.pix.sizeimage = 964 f->fmt.pix.height * f->fmt.pix.bytesperline; 965 966 return 0; 967} 968 969static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 970 struct v4l2_format *f) 971{ 972 struct cx23885_fh *fh = priv; 973 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 974 struct v4l2_mbus_framefmt mbus_fmt; 975 int err; 976 977 dprintk(2, "%s()\n", __func__); 978 err = vidioc_try_fmt_vid_cap(file, priv, f); 979 980 if (0 != err) 981 return err; 982 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 983 fh->width = f->fmt.pix.width; 984 fh->height = f->fmt.pix.height; 985 fh->vidq.field = f->fmt.pix.field; 986 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, 987 fh->width, fh->height, fh->vidq.field); 988 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); 989 call_all(dev, video, s_mbus_fmt, &mbus_fmt); 990 v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); 991 return 0; 992} 993 994static int vidioc_querycap(struct file *file, void *priv, 995 struct v4l2_capability *cap) 996{ 997 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 998 999 strcpy(cap->driver, "cx23885"); 1000 strlcpy(cap->card, cx23885_boards[dev->board].name, 1001 sizeof(cap->card)); 1002 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 1003 cap->version = CX23885_VERSION_CODE; 1004 cap->capabilities = 1005 V4L2_CAP_VIDEO_CAPTURE | 1006 V4L2_CAP_READWRITE | 1007 V4L2_CAP_STREAMING | 1008 V4L2_CAP_VBI_CAPTURE; 1009 if (UNSET != dev->tuner_type) 1010 cap->capabilities |= V4L2_CAP_TUNER; 1011 return 0; 1012} 1013 1014static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 1015 struct v4l2_fmtdesc *f) 1016{ 1017 if (unlikely(f->index >= ARRAY_SIZE(formats))) 1018 return -EINVAL; 1019 1020 strlcpy(f->description, formats[f->index].name, 1021 sizeof(f->description)); 1022 f->pixelformat = formats[f->index].fourcc; 1023 1024 return 0; 1025} 1026 1027#ifdef CONFIG_VIDEO_V4L1_COMPAT 1028static int vidiocgmbuf(struct file *file, void *priv, 1029 struct video_mbuf *mbuf) 1030{ 1031 struct cx23885_fh *fh = priv; 1032 struct videobuf_queue *q; 1033 struct v4l2_requestbuffers req; 1034 unsigned int i; 1035 int err; 1036 1037 q = get_queue(fh); 1038 memset(&req, 0, sizeof(req)); 1039 req.type = q->type; 1040 req.count = 8; 1041 req.memory = V4L2_MEMORY_MMAP; 1042 err = videobuf_reqbufs(q, &req); 1043 if (err < 0) 1044 return err; 1045 1046 mbuf->frames = req.count; 1047 mbuf->size = 0; 1048 for (i = 0; i < mbuf->frames; i++) { 1049 mbuf->offsets[i] = q->bufs[i]->boff; 1050 mbuf->size += q->bufs[i]->bsize; 1051 } 1052 return 0; 1053} 1054#endif 1055 1056static int vidioc_reqbufs(struct file *file, void *priv, 1057 struct v4l2_requestbuffers *p) 1058{ 1059 struct cx23885_fh *fh = priv; 1060 return videobuf_reqbufs(get_queue(fh), p); 1061} 1062 1063static int vidioc_querybuf(struct file *file, void *priv, 1064 struct v4l2_buffer *p) 1065{ 1066 struct cx23885_fh *fh = priv; 1067 return videobuf_querybuf(get_queue(fh), p); 1068} 1069 1070static int vidioc_qbuf(struct file *file, void *priv, 1071 struct v4l2_buffer *p) 1072{ 1073 struct cx23885_fh *fh = priv; 1074 return videobuf_qbuf(get_queue(fh), p); 1075} 1076 1077static int vidioc_dqbuf(struct file *file, void *priv, 1078 struct v4l2_buffer *p) 1079{ 1080 struct cx23885_fh *fh = priv; 1081 return videobuf_dqbuf(get_queue(fh), p, 1082 file->f_flags & O_NONBLOCK); 1083} 1084 1085static int vidioc_streamon(struct file *file, void *priv, 1086 enum v4l2_buf_type i) 1087{ 1088 struct cx23885_fh *fh = priv; 1089 struct cx23885_dev *dev = fh->dev; 1090 dprintk(1, "%s()\n", __func__); 1091 1092 if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) 1093 return -EINVAL; 1094 if (unlikely(i != fh->type)) 1095 return -EINVAL; 1096 1097 if (unlikely(!res_get(dev, fh, get_resource(fh)))) 1098 return -EBUSY; 1099 return videobuf_streamon(get_queue(fh)); 1100} 1101 1102static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) 1103{ 1104 struct cx23885_fh *fh = priv; 1105 struct cx23885_dev *dev = fh->dev; 1106 int err, res; 1107 dprintk(1, "%s()\n", __func__); 1108 1109 if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1110 return -EINVAL; 1111 if (i != fh->type) 1112 return -EINVAL; 1113 1114 res = get_resource(fh); 1115 err = videobuf_streamoff(get_queue(fh)); 1116 if (err < 0) 1117 return err; 1118 res_free(dev, fh, res); 1119 return 0; 1120} 1121 1122static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms) 1123{ 1124 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1125 dprintk(1, "%s()\n", __func__); 1126 1127 mutex_lock(&dev->lock); 1128 cx23885_set_tvnorm(dev, *tvnorms); 1129 mutex_unlock(&dev->lock); 1130 1131 return 0; 1132} 1133 1134static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) 1135{ 1136 static const char *iname[] = { 1137 [CX23885_VMUX_COMPOSITE1] = "Composite1", 1138 [CX23885_VMUX_COMPOSITE2] = "Composite2", 1139 [CX23885_VMUX_COMPOSITE3] = "Composite3", 1140 [CX23885_VMUX_COMPOSITE4] = "Composite4", 1141 [CX23885_VMUX_SVIDEO] = "S-Video", 1142 [CX23885_VMUX_COMPONENT] = "Component", 1143 [CX23885_VMUX_TELEVISION] = "Television", 1144 [CX23885_VMUX_CABLE] = "Cable TV", 1145 [CX23885_VMUX_DVB] = "DVB", 1146 [CX23885_VMUX_DEBUG] = "for debug only", 1147 }; 1148 unsigned int n; 1149 dprintk(1, "%s()\n", __func__); 1150 1151 n = i->index; 1152 if (n >= 4) 1153 return -EINVAL; 1154 1155 if (0 == INPUT(n)->type) 1156 return -EINVAL; 1157 1158 memset(i, 0, sizeof(*i)); 1159 i->index = n; 1160 i->type = V4L2_INPUT_TYPE_CAMERA; 1161 strcpy(i->name, iname[INPUT(n)->type]); 1162 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || 1163 (CX23885_VMUX_CABLE == INPUT(n)->type)) { 1164 i->type = V4L2_INPUT_TYPE_TUNER; 1165 i->std = CX23885_NORMS; 1166 } 1167 return 0; 1168} 1169 1170static int vidioc_enum_input(struct file *file, void *priv, 1171 struct v4l2_input *i) 1172{ 1173 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1174 dprintk(1, "%s()\n", __func__); 1175 return cx23885_enum_input(dev, i); 1176} 1177 1178static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 1179{ 1180 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1181 1182 *i = dev->input; 1183 dprintk(1, "%s() returns %d\n", __func__, *i); 1184 return 0; 1185} 1186 1187static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 1188{ 1189 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1190 1191 dprintk(1, "%s(%d)\n", __func__, i); 1192 1193 if (i >= 4) { 1194 dprintk(1, "%s() -EINVAL\n", __func__); 1195 return -EINVAL; 1196 } 1197 1198 mutex_lock(&dev->lock); 1199 cx23885_video_mux(dev, i); 1200 mutex_unlock(&dev->lock); 1201 return 0; 1202} 1203 1204static int vidioc_log_status(struct file *file, void *priv) 1205{ 1206 struct cx23885_fh *fh = priv; 1207 struct cx23885_dev *dev = fh->dev; 1208 1209 printk(KERN_INFO 1210 "%s/0: ============ START LOG STATUS ============\n", 1211 dev->name); 1212 call_all(dev, core, log_status); 1213 printk(KERN_INFO 1214 "%s/0: ============= END LOG STATUS =============\n", 1215 dev->name); 1216 return 0; 1217} 1218 1219static int vidioc_queryctrl(struct file *file, void *priv, 1220 struct v4l2_queryctrl *qctrl) 1221{ 1222 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); 1223 if (unlikely(qctrl->id == 0)) 1224 return -EINVAL; 1225 return cx23885_ctrl_query(qctrl); 1226} 1227 1228static int vidioc_g_ctrl(struct file *file, void *priv, 1229 struct v4l2_control *ctl) 1230{ 1231 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1232 1233 return cx23885_get_control(dev, ctl); 1234} 1235 1236static int vidioc_s_ctrl(struct file *file, void *priv, 1237 struct v4l2_control *ctl) 1238{ 1239 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1240 1241 return cx23885_set_control(dev, ctl); 1242} 1243 1244static int vidioc_g_tuner(struct file *file, void *priv, 1245 struct v4l2_tuner *t) 1246{ 1247 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1248 1249 if (unlikely(UNSET == dev->tuner_type)) 1250 return -EINVAL; 1251 if (0 != t->index) 1252 return -EINVAL; 1253 1254 strcpy(t->name, "Television"); 1255 t->type = V4L2_TUNER_ANALOG_TV; 1256 t->capability = V4L2_TUNER_CAP_NORM; 1257 t->rangehigh = 0xffffffffUL; 1258 t->signal = 0xffff ; /* LOCKED */ 1259 return 0; 1260} 1261 1262static int vidioc_s_tuner(struct file *file, void *priv, 1263 struct v4l2_tuner *t) 1264{ 1265 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1266 1267 if (UNSET == dev->tuner_type) 1268 return -EINVAL; 1269 if (0 != t->index) 1270 return -EINVAL; 1271 return 0; 1272} 1273 1274static int vidioc_g_frequency(struct file *file, void *priv, 1275 struct v4l2_frequency *f) 1276{ 1277 struct cx23885_fh *fh = priv; 1278 struct cx23885_dev *dev = fh->dev; 1279 1280 if (unlikely(UNSET == dev->tuner_type)) 1281 return -EINVAL; 1282 1283 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ 1284 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 1285 f->frequency = dev->freq; 1286 1287 call_all(dev, tuner, g_frequency, f); 1288 1289 return 0; 1290} 1291 1292static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f) 1293{ 1294 if (unlikely(UNSET == dev->tuner_type)) 1295 return -EINVAL; 1296 if (unlikely(f->tuner != 0)) 1297 return -EINVAL; 1298 1299 mutex_lock(&dev->lock); 1300 dev->freq = f->frequency; 1301 1302 call_all(dev, tuner, s_frequency, f); 1303 1304 /* When changing channels it is required to reset TVAUDIO */ 1305 msleep(10); 1306 1307 mutex_unlock(&dev->lock); 1308 1309 return 0; 1310} 1311 1312static int vidioc_s_frequency(struct file *file, void *priv, 1313 struct v4l2_frequency *f) 1314{ 1315 struct cx23885_fh *fh = priv; 1316 struct cx23885_dev *dev = fh->dev; 1317 1318 if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV)) 1319 return -EINVAL; 1320 if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO)) 1321 return -EINVAL; 1322 1323 return 1324 cx23885_set_freq(dev, f); 1325} 1326 1327/* ----------------------------------------------------------- */ 1328 1329static void cx23885_vid_timeout(unsigned long data) 1330{ 1331 struct cx23885_dev *dev = (struct cx23885_dev *)data; 1332 struct cx23885_dmaqueue *q = &dev->vidq; 1333 struct cx23885_buffer *buf; 1334 unsigned long flags; 1335 1336 cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); 1337 1338 cx_clear(VID_A_DMA_CTL, 0x11); 1339 1340 spin_lock_irqsave(&dev->slock, flags); 1341 while (!list_empty(&q->active)) { 1342 buf = list_entry(q->active.next, 1343 struct cx23885_buffer, vb.queue); 1344 list_del(&buf->vb.queue); 1345 buf->vb.state = VIDEOBUF_ERROR; 1346 wake_up(&buf->vb.done); 1347 printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n", 1348 dev->name, buf, buf->vb.i, 1349 (unsigned long)buf->risc.dma); 1350 } 1351 cx23885_restart_video_queue(dev, q); 1352 spin_unlock_irqrestore(&dev->slock, flags); 1353} 1354 1355int cx23885_video_irq(struct cx23885_dev *dev, u32 status) 1356{ 1357 u32 mask, count; 1358 int handled = 0; 1359 1360 mask = cx_read(VID_A_INT_MSK); 1361 if (0 == (status & mask)) 1362 return handled; 1363 cx_write(VID_A_INT_STAT, status); 1364 1365 dprintk(2, "%s() status = 0x%08x\n", __func__, status); 1366 /* risc op code error */ 1367 if (status & (1 << 16)) { 1368 printk(KERN_WARNING "%s/0: video risc op code error\n", 1369 dev->name); 1370 cx_clear(VID_A_DMA_CTL, 0x11); 1371 cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]); 1372 } 1373 1374 /* risc1 y */ 1375 if (status & 0x01) { 1376 spin_lock(&dev->slock); 1377 count = cx_read(VID_A_GPCNT); 1378 cx23885_video_wakeup(dev, &dev->vidq, count); 1379 spin_unlock(&dev->slock); 1380 handled++; 1381 } 1382 /* risc2 y */ 1383 if (status & 0x10) { 1384 dprintk(2, "stopper video\n"); 1385 spin_lock(&dev->slock); 1386 cx23885_restart_video_queue(dev, &dev->vidq); 1387 spin_unlock(&dev->slock); 1388 handled++; 1389 } 1390 1391 return handled; 1392} 1393 1394/* ----------------------------------------------------------- */ 1395/* exported stuff */ 1396 1397static const struct v4l2_file_operations video_fops = { 1398 .owner = THIS_MODULE, 1399 .open = video_open, 1400 .release = video_release, 1401 .read = video_read, 1402 .poll = video_poll, 1403 .mmap = video_mmap, 1404 .ioctl = video_ioctl2, 1405}; 1406 1407static const struct v4l2_ioctl_ops video_ioctl_ops = { 1408 .vidioc_querycap = vidioc_querycap, 1409 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1410 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1411 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1412 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1413 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, 1414 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, 1415 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, 1416 .vidioc_reqbufs = vidioc_reqbufs, 1417 .vidioc_querybuf = vidioc_querybuf, 1418 .vidioc_qbuf = vidioc_qbuf, 1419 .vidioc_dqbuf = vidioc_dqbuf, 1420 .vidioc_s_std = vidioc_s_std, 1421 .vidioc_enum_input = vidioc_enum_input, 1422 .vidioc_g_input = vidioc_g_input, 1423 .vidioc_s_input = vidioc_s_input, 1424 .vidioc_log_status = vidioc_log_status, 1425 .vidioc_queryctrl = vidioc_queryctrl, 1426 .vidioc_g_ctrl = vidioc_g_ctrl, 1427 .vidioc_s_ctrl = vidioc_s_ctrl, 1428 .vidioc_streamon = vidioc_streamon, 1429 .vidioc_streamoff = vidioc_streamoff, 1430#ifdef CONFIG_VIDEO_V4L1_COMPAT 1431 .vidiocgmbuf = vidiocgmbuf, 1432#endif 1433 .vidioc_g_tuner = vidioc_g_tuner, 1434 .vidioc_s_tuner = vidioc_s_tuner, 1435 .vidioc_g_frequency = vidioc_g_frequency, 1436 .vidioc_s_frequency = vidioc_s_frequency, 1437 .vidioc_g_chip_ident = cx23885_g_chip_ident, 1438#ifdef CONFIG_VIDEO_ADV_DEBUG 1439 .vidioc_g_register = cx23885_g_register, 1440 .vidioc_s_register = cx23885_s_register, 1441#endif 1442}; 1443 1444static struct video_device cx23885_vbi_template; 1445static struct video_device cx23885_video_template = { 1446 .name = "cx23885-video", 1447 .fops = &video_fops, 1448 .ioctl_ops = &video_ioctl_ops, 1449 .tvnorms = CX23885_NORMS, 1450 .current_norm = V4L2_STD_NTSC_M, 1451}; 1452 1453static const struct v4l2_file_operations radio_fops = { 1454 .owner = THIS_MODULE, 1455 .open = video_open, 1456 .release = video_release, 1457 .ioctl = video_ioctl2, 1458}; 1459 1460 1461void cx23885_video_unregister(struct cx23885_dev *dev) 1462{ 1463 dprintk(1, "%s()\n", __func__); 1464 cx23885_irq_remove(dev, 0x01); 1465 1466 if (dev->video_dev) { 1467 if (video_is_registered(dev->video_dev)) 1468 video_unregister_device(dev->video_dev); 1469 else 1470 video_device_release(dev->video_dev); 1471 dev->video_dev = NULL; 1472 1473 btcx_riscmem_free(dev->pci, &dev->vidq.stopper); 1474 } 1475} 1476 1477int cx23885_video_register(struct cx23885_dev *dev) 1478{ 1479 int err; 1480 1481 dprintk(1, "%s()\n", __func__); 1482 spin_lock_init(&dev->slock); 1483 1484 /* Initialize VBI template */ 1485 memcpy(&cx23885_vbi_template, &cx23885_video_template, 1486 sizeof(cx23885_vbi_template)); 1487 strcpy(cx23885_vbi_template.name, "cx23885-vbi"); 1488 1489 dev->tvnorm = cx23885_video_template.current_norm; 1490 1491 /* init video dma queues */ 1492 INIT_LIST_HEAD(&dev->vidq.active); 1493 INIT_LIST_HEAD(&dev->vidq.queued); 1494 dev->vidq.timeout.function = cx23885_vid_timeout; 1495 dev->vidq.timeout.data = (unsigned long)dev; 1496 init_timer(&dev->vidq.timeout); 1497 cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, 1498 VID_A_DMA_CTL, 0x11, 0x00); 1499 1500 /* Don't enable VBI yet */ 1501 1502 cx23885_irq_add_enable(dev, 0x01); 1503 1504 if (TUNER_ABSENT != dev->tuner_type) { 1505 struct v4l2_subdev *sd = NULL; 1506 1507 if (dev->tuner_addr) 1508 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1509 &dev->i2c_bus[1].i2c_adap, 1510 "tuner", dev->tuner_addr, NULL); 1511 else 1512 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1513 &dev->i2c_bus[1].i2c_adap, 1514 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); 1515 if (sd) { 1516 struct tuner_setup tun_setup; 1517 1518 memset(&tun_setup, 0, sizeof(tun_setup)); 1519 tun_setup.mode_mask = T_ANALOG_TV; 1520 tun_setup.type = dev->tuner_type; 1521 tun_setup.addr = v4l2_i2c_subdev_addr(sd); 1522 tun_setup.tuner_callback = cx23885_tuner_callback; 1523 1524 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); 1525 1526 if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) { 1527 struct xc2028_ctrl ctrl = { 1528 .fname = XC2028_DEFAULT_FIRMWARE, 1529 .max_len = 64 1530 }; 1531 struct v4l2_priv_tun_config cfg = { 1532 .tuner = dev->tuner_type, 1533 .priv = &ctrl 1534 }; 1535 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1536 } 1537 } 1538 } 1539 1540 1541 /* register v4l devices */ 1542 dev->video_dev = cx23885_vdev_init(dev, dev->pci, 1543 &cx23885_video_template, "video"); 1544 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, 1545 video_nr[dev->nr]); 1546 if (err < 0) { 1547 printk(KERN_INFO "%s: can't register video device\n", 1548 dev->name); 1549 goto fail_unreg; 1550 } 1551 printk(KERN_INFO "%s/0: registered device %s [v4l2]\n", 1552 dev->name, video_device_node_name(dev->video_dev)); 1553 /* initial device configuration */ 1554 mutex_lock(&dev->lock); 1555 cx23885_set_tvnorm(dev, dev->tvnorm); 1556 init_controls(dev); 1557 cx23885_video_mux(dev, 0); 1558 mutex_unlock(&dev->lock); 1559 1560 return 0; 1561 1562fail_unreg: 1563 cx23885_video_unregister(dev); 1564 return err; 1565} 1566 1567