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 "cx23885-video.h" 36 #include <media/v4l2-common.h> 37 #include <media/v4l2-ioctl.h> 38 #include "cx23885-ioctl.h" 39 #include "tuner-xc2028.h" 40 41 #include <media/cx25840.h> 42 43 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); 44 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); 45 MODULE_LICENSE("GPL"); 46 47 /* ------------------------------------------------------------------ */ 48 49 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 50 static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 51 static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 52 53 module_param_array(video_nr, int, NULL, 0444); 54 module_param_array(vbi_nr, int, NULL, 0444); 55 module_param_array(radio_nr, int, NULL, 0444); 56 57 MODULE_PARM_DESC(video_nr, "video device numbers"); 58 MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 59 MODULE_PARM_DESC(radio_nr, "radio device numbers"); 60 61 static unsigned int video_debug; 62 module_param(video_debug, int, 0644); 63 MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 64 65 static unsigned int irq_debug; 66 module_param(irq_debug, int, 0644); 67 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); 68 69 static unsigned int vid_limit = 16; 70 module_param(vid_limit, int, 0644); 71 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); 72 73 #define dprintk(level, fmt, arg...)\ 74 do { if (video_debug >= level)\ 75 printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\ 76 } while (0) 77 78 /* ------------------------------------------------------------------- */ 79 /* static data */ 80 81 #define FORMAT_FLAGS_PACKED 0x01 82 #if 0 83 static struct cx23885_fmt formats[] = { 84 { 85 .name = "8 bpp, gray", 86 .fourcc = V4L2_PIX_FMT_GREY, 87 .depth = 8, 88 .flags = FORMAT_FLAGS_PACKED, 89 }, { 90 .name = "15 bpp RGB, le", 91 .fourcc = V4L2_PIX_FMT_RGB555, 92 .depth = 16, 93 .flags = FORMAT_FLAGS_PACKED, 94 }, { 95 .name = "15 bpp RGB, be", 96 .fourcc = V4L2_PIX_FMT_RGB555X, 97 .depth = 16, 98 .flags = FORMAT_FLAGS_PACKED, 99 }, { 100 .name = "16 bpp RGB, le", 101 .fourcc = V4L2_PIX_FMT_RGB565, 102 .depth = 16, 103 .flags = FORMAT_FLAGS_PACKED, 104 }, { 105 .name = "16 bpp RGB, be", 106 .fourcc = V4L2_PIX_FMT_RGB565X, 107 .depth = 16, 108 .flags = FORMAT_FLAGS_PACKED, 109 }, { 110 .name = "24 bpp RGB, le", 111 .fourcc = V4L2_PIX_FMT_BGR24, 112 .depth = 24, 113 .flags = FORMAT_FLAGS_PACKED, 114 }, { 115 .name = "32 bpp RGB, le", 116 .fourcc = V4L2_PIX_FMT_BGR32, 117 .depth = 32, 118 .flags = FORMAT_FLAGS_PACKED, 119 }, { 120 .name = "32 bpp RGB, be", 121 .fourcc = V4L2_PIX_FMT_RGB32, 122 .depth = 32, 123 .flags = FORMAT_FLAGS_PACKED, 124 }, { 125 .name = "4:2:2, packed, YUYV", 126 .fourcc = V4L2_PIX_FMT_YUYV, 127 .depth = 16, 128 .flags = FORMAT_FLAGS_PACKED, 129 }, { 130 .name = "4:2:2, packed, UYVY", 131 .fourcc = V4L2_PIX_FMT_UYVY, 132 .depth = 16, 133 .flags = FORMAT_FLAGS_PACKED, 134 }, 135 }; 136 #else 137 static struct cx23885_fmt formats[] = { 138 { 139 #if 0 140 .name = "4:2:2, packed, UYVY", 141 .fourcc = V4L2_PIX_FMT_UYVY, 142 .depth = 16, 143 .flags = FORMAT_FLAGS_PACKED, 144 }, { 145 #endif 146 .name = "4:2:2, packed, YUYV", 147 .fourcc = V4L2_PIX_FMT_YUYV, 148 .depth = 16, 149 .flags = FORMAT_FLAGS_PACKED, 150 } 151 }; 152 #endif 153 154 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) 155 { 156 unsigned int i; 157 158 for (i = 0; i < ARRAY_SIZE(formats); i++) 159 if (formats[i].fourcc == fourcc) 160 return formats+i; 161 162 printk(KERN_ERR "%s(%c%c%c%c) NOT FOUND\n", __func__, 163 (fourcc & 0xff), 164 ((fourcc >> 8) & 0xff), 165 ((fourcc >> 16) & 0xff), 166 ((fourcc >> 24) & 0xff) 167 ); 168 return NULL; 169 } 170 171 /* ------------------------------------------------------------------- */ 172 173 static const struct v4l2_queryctrl no_ctl = { 174 .name = "42", 175 .flags = V4L2_CTRL_FLAG_DISABLED, 176 }; 177 178 static struct cx23885_ctrl cx23885_ctls[] = { 179 /* --- video --- */ 180 { 181 .v = { 182 .id = V4L2_CID_BRIGHTNESS, 183 .name = "Brightness", 184 .minimum = 0x00, 185 .maximum = 0xff, 186 .step = 1, 187 .default_value = 0x7f, 188 .type = V4L2_CTRL_TYPE_INTEGER, 189 }, 190 .off = 128, 191 .reg = LUMA_CTRL, 192 .mask = 0x00ff, 193 .shift = 0, 194 }, { 195 .v = { 196 .id = V4L2_CID_CONTRAST, 197 .name = "Contrast", 198 .minimum = 0, 199 .maximum = 0x7f, 200 .step = 1, 201 .default_value = 0x3f, 202 .type = V4L2_CTRL_TYPE_INTEGER, 203 }, 204 .off = 0, 205 .reg = LUMA_CTRL, 206 .mask = 0xff00, 207 .shift = 8, 208 }, { 209 .v = { 210 .id = V4L2_CID_HUE, 211 .name = "Hue", 212 .minimum = -127, 213 .maximum = 128, 214 .step = 1, 215 .default_value = 0x0, 216 .type = V4L2_CTRL_TYPE_INTEGER, 217 }, 218 .off = 128, 219 .reg = CHROMA_CTRL, 220 .mask = 0xff0000, 221 .shift = 16, 222 }, { 223 /* strictly, this only describes only U saturation. 224 * V saturation is handled specially through code. 225 */ 226 .v = { 227 .id = V4L2_CID_SATURATION, 228 .name = "Saturation", 229 .minimum = 0, 230 .maximum = 0x7f, 231 .step = 1, 232 .default_value = 0x3f, 233 .type = V4L2_CTRL_TYPE_INTEGER, 234 }, 235 .off = 0, 236 .reg = CHROMA_CTRL, 237 .mask = 0x00ff, 238 .shift = 0, 239 }, { 240 /* --- audio --- */ 241 .v = { 242 .id = V4L2_CID_AUDIO_MUTE, 243 .name = "Mute", 244 .minimum = 0, 245 .maximum = 1, 246 .default_value = 1, 247 .type = V4L2_CTRL_TYPE_BOOLEAN, 248 }, 249 .reg = PATH1_CTL1, 250 .mask = (0x1f << 24), 251 .shift = 24, 252 }, { 253 .v = { 254 .id = V4L2_CID_AUDIO_VOLUME, 255 .name = "Volume", 256 .minimum = 0, 257 .maximum = 65535, 258 .step = 65535 / 100, 259 .default_value = 65535, 260 .type = V4L2_CTRL_TYPE_INTEGER, 261 }, 262 .reg = PATH1_VOL_CTL, 263 .mask = 0xff, 264 .shift = 0, 265 } 266 }; 267 static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls); 268 269 /* Must be sorted from low to high control ID! */ 270 static const u32 cx23885_user_ctrls[] = { 271 V4L2_CID_USER_CLASS, 272 V4L2_CID_BRIGHTNESS, 273 V4L2_CID_CONTRAST, 274 V4L2_CID_SATURATION, 275 V4L2_CID_HUE, 276 V4L2_CID_AUDIO_VOLUME, 277 V4L2_CID_AUDIO_MUTE, 278 0 279 }; 280 281 static const u32 *ctrl_classes[] = { 282 cx23885_user_ctrls, 283 NULL 284 }; 285 286 void cx23885_video_wakeup(struct cx23885_dev *dev, 287 struct cx23885_dmaqueue *q, u32 count) 288 { 289 struct cx23885_buffer *buf; 290 int bc; 291 292 for (bc = 0;; bc++) { 293 if (list_empty(&q->active)) 294 break; 295 buf = list_entry(q->active.next, 296 struct cx23885_buffer, vb.queue); 297 298 /* count comes from the hw and is is 16bit wide -- 299 * this trick handles wrap-arounds correctly for 300 * up to 32767 buffers in flight... */ 301 if ((s16) (count - buf->count) < 0) 302 break; 303 304 v4l2_get_timestamp(&buf->vb.ts); 305 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, 306 count, buf->count); 307 buf->vb.state = VIDEOBUF_DONE; 308 list_del(&buf->vb.queue); 309 wake_up(&buf->vb.done); 310 } 311 if (list_empty(&q->active)) 312 del_timer(&q->timeout); 313 else 314 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 315 if (bc != 1) 316 printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", 317 __func__, bc); 318 } 319 320 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) 321 { 322 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", 323 __func__, 324 (unsigned int)norm, 325 v4l2_norm_to_name(norm)); 326 327 dev->tvnorm = norm; 328 329 call_all(dev, video, s_std, norm); 330 331 return 0; 332 } 333 334 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, 335 struct pci_dev *pci, 336 struct video_device *template, 337 char *type) 338 { 339 struct video_device *vfd; 340 dprintk(1, "%s()\n", __func__); 341 342 vfd = video_device_alloc(); 343 if (NULL == vfd) 344 return NULL; 345 *vfd = *template; 346 vfd->v4l2_dev = &dev->v4l2_dev; 347 vfd->release = video_device_release; 348 snprintf(vfd->name, sizeof(vfd->name), "%s (%s)", 349 cx23885_boards[dev->board].name, type); 350 video_set_drvdata(vfd, dev); 351 return vfd; 352 } 353 354 static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) 355 { 356 int i; 357 358 if (qctrl->id < V4L2_CID_BASE || 359 qctrl->id >= V4L2_CID_LASTP1) 360 return -EINVAL; 361 for (i = 0; i < CX23885_CTLS; i++) 362 if (cx23885_ctls[i].v.id == qctrl->id) 363 break; 364 if (i == CX23885_CTLS) { 365 *qctrl = no_ctl; 366 return 0; 367 } 368 *qctrl = cx23885_ctls[i].v; 369 return 0; 370 } 371 372 /* ------------------------------------------------------------------- */ 373 /* resource management */ 374 375 static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, 376 unsigned int bit) 377 { 378 dprintk(1, "%s()\n", __func__); 379 if (fh->resources & bit) 380 /* have it already allocated */ 381 return 1; 382 383 /* is it free? */ 384 mutex_lock(&dev->lock); 385 if (dev->resources & bit) { 386 /* no, someone else uses it */ 387 mutex_unlock(&dev->lock); 388 return 0; 389 } 390 /* it's free, grab it */ 391 fh->resources |= bit; 392 dev->resources |= bit; 393 dprintk(1, "res: get %d\n", bit); 394 mutex_unlock(&dev->lock); 395 return 1; 396 } 397 398 static int res_check(struct cx23885_fh *fh, unsigned int bit) 399 { 400 return fh->resources & bit; 401 } 402 403 static int res_locked(struct cx23885_dev *dev, unsigned int bit) 404 { 405 return dev->resources & bit; 406 } 407 408 static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, 409 unsigned int bits) 410 { 411 BUG_ON((fh->resources & bits) != bits); 412 dprintk(1, "%s()\n", __func__); 413 414 mutex_lock(&dev->lock); 415 fh->resources &= ~bits; 416 dev->resources &= ~bits; 417 dprintk(1, "res: put %d\n", bits); 418 mutex_unlock(&dev->lock); 419 } 420 421 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data) 422 { 423 /* 8 bit registers, 8 bit values */ 424 u8 buf[] = { reg, data }; 425 426 struct i2c_msg msg = { .addr = 0x98 >> 1, 427 .flags = 0, .buf = buf, .len = 2 }; 428 429 return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1); 430 } 431 432 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg) 433 { 434 /* 8 bit registers, 8 bit values */ 435 int ret; 436 u8 b0[] = { reg }; 437 u8 b1[] = { 0 }; 438 439 struct i2c_msg msg[] = { 440 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 }, 441 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 } 442 }; 443 444 ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2); 445 if (ret != 2) 446 printk(KERN_ERR "%s() error\n", __func__); 447 448 return b1[0]; 449 } 450 451 static void cx23885_flatiron_dump(struct cx23885_dev *dev) 452 { 453 int i; 454 dprintk(1, "Flatiron dump\n"); 455 for (i = 0; i < 0x24; i++) { 456 dprintk(1, "FI[%02x] = %02x\n", i, 457 cx23885_flatiron_read(dev, i)); 458 } 459 } 460 461 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input) 462 { 463 u8 val; 464 dprintk(1, "%s(input = %d)\n", __func__, input); 465 466 if (input == 1) 467 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL; 468 else if (input == 2) 469 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL; 470 else 471 return -EINVAL; 472 473 val |= 0x20; /* Enable clock to delta-sigma and dec filter */ 474 475 cx23885_flatiron_write(dev, CH_PWR_CTRL1, val); 476 477 /* Wake up */ 478 cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0); 479 480 if (video_debug) 481 cx23885_flatiron_dump(dev); 482 483 return 0; 484 } 485 486 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) 487 { 488 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", 489 __func__, 490 input, INPUT(input)->vmux, 491 INPUT(input)->gpio0, INPUT(input)->gpio1, 492 INPUT(input)->gpio2, INPUT(input)->gpio3); 493 dev->input = input; 494 495 if (dev->board == CX23885_BOARD_MYGICA_X8506 || 496 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 || 497 dev->board == CX23885_BOARD_MYGICA_X8507) { 498 /* Select Analog TV */ 499 if (INPUT(input)->type == CX23885_VMUX_TELEVISION) 500 cx23885_gpio_clear(dev, GPIO_0); 501 } 502 503 /* Tell the internal A/V decoder */ 504 v4l2_subdev_call(dev->sd_cx25840, video, s_routing, 505 INPUT(input)->vmux, 0, 0); 506 507 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) || 508 (dev->board == CX23885_BOARD_MPX885) || 509 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) || 510 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) || 511 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 512 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) || 513 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 514 (dev->board == CX23885_BOARD_MYGICA_X8507) || 515 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R)) { 516 /* Configure audio routing */ 517 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing, 518 INPUT(input)->amux, 0, 0); 519 520 if (INPUT(input)->amux == CX25840_AUDIO7) 521 cx23885_flatiron_mux(dev, 1); 522 else if (INPUT(input)->amux == CX25840_AUDIO6) 523 cx23885_flatiron_mux(dev, 2); 524 } 525 526 return 0; 527 } 528 529 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input) 530 { 531 dprintk(1, "%s(input=%d)\n", __func__, input); 532 533 /* The baseband video core of the cx23885 has two audio inputs. 534 * LR1 and LR2. In almost every single case so far only HVR1xxx 535 * cards we've only ever supported LR1. Time to support LR2, 536 * which is available via the optional white breakout header on 537 * the board. 538 * We'll use a could of existing enums in the card struct to allow 539 * devs to specify which baseband input they need, or just default 540 * to what we've always used. 541 */ 542 if (INPUT(input)->amux == CX25840_AUDIO7) 543 cx23885_flatiron_mux(dev, 1); 544 else if (INPUT(input)->amux == CX25840_AUDIO6) 545 cx23885_flatiron_mux(dev, 2); 546 else { 547 /* Not specifically defined, assume the default. */ 548 cx23885_flatiron_mux(dev, 1); 549 } 550 551 return 0; 552 } 553 554 /* ------------------------------------------------------------------ */ 555 static int cx23885_start_video_dma(struct cx23885_dev *dev, 556 struct cx23885_dmaqueue *q, 557 struct cx23885_buffer *buf) 558 { 559 dprintk(1, "%s()\n", __func__); 560 561 /* Stop the dma/fifo before we tamper with it's risc programs */ 562 cx_clear(VID_A_DMA_CTL, 0x11); 563 564 /* setup fifo + format */ 565 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], 566 buf->bpl, buf->risc.dma); 567 568 /* reset counter */ 569 cx_write(VID_A_GPCNT_CTL, 3); 570 q->count = 1; 571 572 /* enable irq */ 573 cx23885_irq_add_enable(dev, 0x01); 574 cx_set(VID_A_INT_MSK, 0x000011); 575 576 /* start dma */ 577 cx_set(DEV_CNTRL2, (1<<5)); 578 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ 579 580 return 0; 581 } 582 583 584 static int cx23885_restart_video_queue(struct cx23885_dev *dev, 585 struct cx23885_dmaqueue *q) 586 { 587 struct cx23885_buffer *buf, *prev; 588 struct list_head *item; 589 dprintk(1, "%s()\n", __func__); 590 591 if (!list_empty(&q->active)) { 592 buf = list_entry(q->active.next, struct cx23885_buffer, 593 vb.queue); 594 dprintk(2, "restart_queue [%p/%d]: restart dma\n", 595 buf, buf->vb.i); 596 cx23885_start_video_dma(dev, q, buf); 597 list_for_each(item, &q->active) { 598 buf = list_entry(item, struct cx23885_buffer, 599 vb.queue); 600 buf->count = q->count++; 601 } 602 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 603 return 0; 604 } 605 606 prev = NULL; 607 for (;;) { 608 if (list_empty(&q->queued)) 609 return 0; 610 buf = list_entry(q->queued.next, struct cx23885_buffer, 611 vb.queue); 612 if (NULL == prev) { 613 list_move_tail(&buf->vb.queue, &q->active); 614 cx23885_start_video_dma(dev, q, buf); 615 buf->vb.state = VIDEOBUF_ACTIVE; 616 buf->count = q->count++; 617 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 618 dprintk(2, "[%p/%d] restart_queue - first active\n", 619 buf, buf->vb.i); 620 621 } else if (prev->vb.width == buf->vb.width && 622 prev->vb.height == buf->vb.height && 623 prev->fmt == buf->fmt) { 624 list_move_tail(&buf->vb.queue, &q->active); 625 buf->vb.state = VIDEOBUF_ACTIVE; 626 buf->count = q->count++; 627 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 628 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ 629 dprintk(2, "[%p/%d] restart_queue - move to active\n", 630 buf, buf->vb.i); 631 } else { 632 return 0; 633 } 634 prev = buf; 635 } 636 } 637 638 static int buffer_setup(struct videobuf_queue *q, unsigned int *count, 639 unsigned int *size) 640 { 641 struct cx23885_fh *fh = q->priv_data; 642 643 *size = fh->fmt->depth*fh->width*fh->height >> 3; 644 if (0 == *count) 645 *count = 32; 646 if (*size * *count > vid_limit * 1024 * 1024) 647 *count = (vid_limit * 1024 * 1024) / *size; 648 return 0; 649 } 650 651 static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 652 enum v4l2_field field) 653 { 654 struct cx23885_fh *fh = q->priv_data; 655 struct cx23885_dev *dev = fh->dev; 656 struct cx23885_buffer *buf = 657 container_of(vb, struct cx23885_buffer, vb); 658 int rc, init_buffer = 0; 659 u32 line0_offset, line1_offset; 660 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); 661 int field_tff; 662 663 BUG_ON(NULL == fh->fmt); 664 if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || 665 fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) 666 return -EINVAL; 667 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; 668 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) 669 return -EINVAL; 670 671 if (buf->fmt != fh->fmt || 672 buf->vb.width != fh->width || 673 buf->vb.height != fh->height || 674 buf->vb.field != field) { 675 buf->fmt = fh->fmt; 676 buf->vb.width = fh->width; 677 buf->vb.height = fh->height; 678 buf->vb.field = field; 679 init_buffer = 1; 680 } 681 682 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 683 init_buffer = 1; 684 rc = videobuf_iolock(q, &buf->vb, NULL); 685 if (0 != rc) 686 goto fail; 687 } 688 689 if (init_buffer) { 690 buf->bpl = buf->vb.width * buf->fmt->depth >> 3; 691 switch (buf->vb.field) { 692 case V4L2_FIELD_TOP: 693 cx23885_risc_buffer(dev->pci, &buf->risc, 694 dma->sglist, 0, UNSET, 695 buf->bpl, 0, buf->vb.height); 696 break; 697 case V4L2_FIELD_BOTTOM: 698 cx23885_risc_buffer(dev->pci, &buf->risc, 699 dma->sglist, UNSET, 0, 700 buf->bpl, 0, buf->vb.height); 701 break; 702 case V4L2_FIELD_INTERLACED: 703 if (dev->tvnorm & V4L2_STD_NTSC) 704 /* NTSC or */ 705 field_tff = 1; 706 else 707 field_tff = 0; 708 709 if (cx23885_boards[dev->board].force_bff) 710 /* PAL / SECAM OR 888 in NTSC MODE */ 711 field_tff = 0; 712 713 if (field_tff) { 714 /* cx25840 transmits NTSC bottom field first */ 715 dprintk(1, "%s() Creating TFF/NTSC risc\n", 716 __func__); 717 line0_offset = buf->bpl; 718 line1_offset = 0; 719 } else { 720 /* All other formats are top field first */ 721 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n", 722 __func__); 723 line0_offset = 0; 724 line1_offset = buf->bpl; 725 } 726 cx23885_risc_buffer(dev->pci, &buf->risc, 727 dma->sglist, line0_offset, 728 line1_offset, 729 buf->bpl, buf->bpl, 730 buf->vb.height >> 1); 731 break; 732 case V4L2_FIELD_SEQ_TB: 733 cx23885_risc_buffer(dev->pci, &buf->risc, 734 dma->sglist, 735 0, buf->bpl * (buf->vb.height >> 1), 736 buf->bpl, 0, 737 buf->vb.height >> 1); 738 break; 739 case V4L2_FIELD_SEQ_BT: 740 cx23885_risc_buffer(dev->pci, &buf->risc, 741 dma->sglist, 742 buf->bpl * (buf->vb.height >> 1), 0, 743 buf->bpl, 0, 744 buf->vb.height >> 1); 745 break; 746 default: 747 BUG(); 748 } 749 } 750 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 751 buf, buf->vb.i, 752 fh->width, fh->height, fh->fmt->depth, fh->fmt->name, 753 (unsigned long)buf->risc.dma); 754 755 buf->vb.state = VIDEOBUF_PREPARED; 756 return 0; 757 758 fail: 759 cx23885_free_buffer(q, buf); 760 return rc; 761 } 762 763 static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 764 { 765 struct cx23885_buffer *buf = container_of(vb, 766 struct cx23885_buffer, vb); 767 struct cx23885_buffer *prev; 768 struct cx23885_fh *fh = vq->priv_data; 769 struct cx23885_dev *dev = fh->dev; 770 struct cx23885_dmaqueue *q = &dev->vidq; 771 772 /* add jump to stopper */ 773 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); 774 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); 775 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 776 777 if (!list_empty(&q->queued)) { 778 list_add_tail(&buf->vb.queue, &q->queued); 779 buf->vb.state = VIDEOBUF_QUEUED; 780 dprintk(2, "[%p/%d] buffer_queue - append to queued\n", 781 buf, buf->vb.i); 782 783 } else if (list_empty(&q->active)) { 784 list_add_tail(&buf->vb.queue, &q->active); 785 cx23885_start_video_dma(dev, q, buf); 786 buf->vb.state = VIDEOBUF_ACTIVE; 787 buf->count = q->count++; 788 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 789 dprintk(2, "[%p/%d] buffer_queue - first active\n", 790 buf, buf->vb.i); 791 792 } else { 793 prev = list_entry(q->active.prev, struct cx23885_buffer, 794 vb.queue); 795 if (prev->vb.width == buf->vb.width && 796 prev->vb.height == buf->vb.height && 797 prev->fmt == buf->fmt) { 798 list_add_tail(&buf->vb.queue, &q->active); 799 buf->vb.state = VIDEOBUF_ACTIVE; 800 buf->count = q->count++; 801 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 802 /* 64 bit bits 63-32 */ 803 prev->risc.jmp[2] = cpu_to_le32(0); 804 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 805 buf, buf->vb.i); 806 807 } else { 808 list_add_tail(&buf->vb.queue, &q->queued); 809 buf->vb.state = VIDEOBUF_QUEUED; 810 dprintk(2, "[%p/%d] buffer_queue - first queued\n", 811 buf, buf->vb.i); 812 } 813 } 814 } 815 816 static void buffer_release(struct videobuf_queue *q, 817 struct videobuf_buffer *vb) 818 { 819 struct cx23885_buffer *buf = container_of(vb, 820 struct cx23885_buffer, vb); 821 822 cx23885_free_buffer(q, buf); 823 } 824 825 static struct videobuf_queue_ops cx23885_video_qops = { 826 .buf_setup = buffer_setup, 827 .buf_prepare = buffer_prepare, 828 .buf_queue = buffer_queue, 829 .buf_release = buffer_release, 830 }; 831 832 static struct videobuf_queue *get_queue(struct cx23885_fh *fh) 833 { 834 switch (fh->type) { 835 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 836 return &fh->vidq; 837 case V4L2_BUF_TYPE_VBI_CAPTURE: 838 return &fh->vbiq; 839 default: 840 BUG(); 841 return NULL; 842 } 843 } 844 845 static int get_resource(struct cx23885_fh *fh) 846 { 847 switch (fh->type) { 848 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 849 return RESOURCE_VIDEO; 850 case V4L2_BUF_TYPE_VBI_CAPTURE: 851 return RESOURCE_VBI; 852 default: 853 BUG(); 854 return 0; 855 } 856 } 857 858 static int video_open(struct file *file) 859 { 860 struct video_device *vdev = video_devdata(file); 861 struct cx23885_dev *dev = video_drvdata(file); 862 struct cx23885_fh *fh; 863 enum v4l2_buf_type type = 0; 864 int radio = 0; 865 866 switch (vdev->vfl_type) { 867 case VFL_TYPE_GRABBER: 868 type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 869 break; 870 case VFL_TYPE_VBI: 871 type = V4L2_BUF_TYPE_VBI_CAPTURE; 872 break; 873 case VFL_TYPE_RADIO: 874 radio = 1; 875 break; 876 } 877 878 dprintk(1, "open dev=%s radio=%d type=%s\n", 879 video_device_node_name(vdev), radio, v4l2_type_names[type]); 880 881 /* allocate + initialize per filehandle data */ 882 fh = kzalloc(sizeof(*fh), GFP_KERNEL); 883 if (NULL == fh) 884 return -ENOMEM; 885 886 file->private_data = fh; 887 fh->dev = dev; 888 fh->radio = radio; 889 fh->type = type; 890 fh->width = 320; 891 fh->height = 240; 892 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); 893 894 videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, 895 &dev->pci->dev, &dev->slock, 896 V4L2_BUF_TYPE_VIDEO_CAPTURE, 897 V4L2_FIELD_INTERLACED, 898 sizeof(struct cx23885_buffer), 899 fh, NULL); 900 901 videobuf_queue_sg_init(&fh->vbiq, &cx23885_vbi_qops, 902 &dev->pci->dev, &dev->slock, 903 V4L2_BUF_TYPE_VBI_CAPTURE, 904 V4L2_FIELD_SEQ_TB, 905 sizeof(struct cx23885_buffer), 906 fh, NULL); 907 908 909 dprintk(1, "post videobuf_queue_init()\n"); 910 911 return 0; 912 } 913 914 static ssize_t video_read(struct file *file, char __user *data, 915 size_t count, loff_t *ppos) 916 { 917 struct cx23885_fh *fh = file->private_data; 918 919 switch (fh->type) { 920 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 921 if (res_locked(fh->dev, RESOURCE_VIDEO)) 922 return -EBUSY; 923 return videobuf_read_one(&fh->vidq, data, count, ppos, 924 file->f_flags & O_NONBLOCK); 925 case V4L2_BUF_TYPE_VBI_CAPTURE: 926 if (!res_get(fh->dev, fh, RESOURCE_VBI)) 927 return -EBUSY; 928 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, 929 file->f_flags & O_NONBLOCK); 930 default: 931 BUG(); 932 return 0; 933 } 934 } 935 936 static unsigned int video_poll(struct file *file, 937 struct poll_table_struct *wait) 938 { 939 struct cx23885_fh *fh = file->private_data; 940 struct cx23885_buffer *buf; 941 unsigned int rc = POLLERR; 942 943 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { 944 if (!res_get(fh->dev, fh, RESOURCE_VBI)) 945 return POLLERR; 946 return videobuf_poll_stream(file, &fh->vbiq, wait); 947 } 948 949 mutex_lock(&fh->vidq.vb_lock); 950 if (res_check(fh, RESOURCE_VIDEO)) { 951 /* streaming capture */ 952 if (list_empty(&fh->vidq.stream)) 953 goto done; 954 buf = list_entry(fh->vidq.stream.next, 955 struct cx23885_buffer, vb.stream); 956 } else { 957 /* read() capture */ 958 buf = (struct cx23885_buffer *)fh->vidq.read_buf; 959 if (NULL == buf) 960 goto done; 961 } 962 poll_wait(file, &buf->vb.done, wait); 963 if (buf->vb.state == VIDEOBUF_DONE || 964 buf->vb.state == VIDEOBUF_ERROR) 965 rc = POLLIN|POLLRDNORM; 966 else 967 rc = 0; 968 done: 969 mutex_unlock(&fh->vidq.vb_lock); 970 return rc; 971 } 972 973 static int video_release(struct file *file) 974 { 975 struct cx23885_fh *fh = file->private_data; 976 struct cx23885_dev *dev = fh->dev; 977 978 /* turn off overlay */ 979 if (res_check(fh, RESOURCE_OVERLAY)) { 980 /* FIXME */ 981 res_free(dev, fh, RESOURCE_OVERLAY); 982 } 983 984 /* stop video capture */ 985 if (res_check(fh, RESOURCE_VIDEO)) { 986 videobuf_queue_cancel(&fh->vidq); 987 res_free(dev, fh, RESOURCE_VIDEO); 988 } 989 if (fh->vidq.read_buf) { 990 buffer_release(&fh->vidq, fh->vidq.read_buf); 991 kfree(fh->vidq.read_buf); 992 } 993 994 /* stop vbi capture */ 995 if (res_check(fh, RESOURCE_VBI)) { 996 if (fh->vbiq.streaming) 997 videobuf_streamoff(&fh->vbiq); 998 if (fh->vbiq.reading) 999 videobuf_read_stop(&fh->vbiq); 1000 res_free(dev, fh, RESOURCE_VBI); 1001 } 1002 1003 videobuf_mmap_free(&fh->vidq); 1004 videobuf_mmap_free(&fh->vbiq); 1005 1006 file->private_data = NULL; 1007 kfree(fh); 1008 1009 /* We are not putting the tuner to sleep here on exit, because 1010 * we want to use the mpeg encoder in another session to capture 1011 * tuner video. Closing this will result in no video to the encoder. 1012 */ 1013 1014 return 0; 1015 } 1016 1017 static int video_mmap(struct file *file, struct vm_area_struct *vma) 1018 { 1019 struct cx23885_fh *fh = file->private_data; 1020 1021 return videobuf_mmap_mapper(get_queue(fh), vma); 1022 } 1023 1024 /* ------------------------------------------------------------------ */ 1025 /* VIDEO CTRL IOCTLS */ 1026 1027 int cx23885_get_control(struct cx23885_dev *dev, 1028 struct v4l2_control *ctl) 1029 { 1030 dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__); 1031 call_all(dev, core, g_ctrl, ctl); 1032 return 0; 1033 } 1034 1035 int cx23885_set_control(struct cx23885_dev *dev, 1036 struct v4l2_control *ctl) 1037 { 1038 dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)\n", __func__); 1039 call_all(dev, core, s_ctrl, ctl); 1040 1041 return 0; 1042 } 1043 1044 static void init_controls(struct cx23885_dev *dev) 1045 { 1046 struct v4l2_control ctrl; 1047 int i; 1048 1049 for (i = 0; i < CX23885_CTLS; i++) { 1050 ctrl.id = cx23885_ctls[i].v.id; 1051 ctrl.value = cx23885_ctls[i].v.default_value; 1052 1053 cx23885_set_control(dev, &ctrl); 1054 } 1055 } 1056 1057 /* ------------------------------------------------------------------ */ 1058 /* VIDEO IOCTLS */ 1059 1060 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 1061 struct v4l2_format *f) 1062 { 1063 struct cx23885_fh *fh = priv; 1064 1065 f->fmt.pix.width = fh->width; 1066 f->fmt.pix.height = fh->height; 1067 f->fmt.pix.field = fh->vidq.field; 1068 f->fmt.pix.pixelformat = fh->fmt->fourcc; 1069 f->fmt.pix.bytesperline = 1070 (f->fmt.pix.width * fh->fmt->depth) >> 3; 1071 f->fmt.pix.sizeimage = 1072 f->fmt.pix.height * f->fmt.pix.bytesperline; 1073 1074 return 0; 1075 } 1076 1077 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 1078 struct v4l2_format *f) 1079 { 1080 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1081 struct cx23885_fmt *fmt; 1082 enum v4l2_field field; 1083 unsigned int maxw, maxh; 1084 1085 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1086 if (NULL == fmt) 1087 return -EINVAL; 1088 1089 field = f->fmt.pix.field; 1090 maxw = norm_maxw(dev->tvnorm); 1091 maxh = norm_maxh(dev->tvnorm); 1092 1093 if (V4L2_FIELD_ANY == field) { 1094 field = (f->fmt.pix.height > maxh/2) 1095 ? V4L2_FIELD_INTERLACED 1096 : V4L2_FIELD_BOTTOM; 1097 } 1098 1099 switch (field) { 1100 case V4L2_FIELD_TOP: 1101 case V4L2_FIELD_BOTTOM: 1102 maxh = maxh / 2; 1103 break; 1104 case V4L2_FIELD_INTERLACED: 1105 break; 1106 default: 1107 return -EINVAL; 1108 } 1109 1110 f->fmt.pix.field = field; 1111 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 1112 &f->fmt.pix.height, 32, maxh, 0, 0); 1113 f->fmt.pix.bytesperline = 1114 (f->fmt.pix.width * fmt->depth) >> 3; 1115 f->fmt.pix.sizeimage = 1116 f->fmt.pix.height * f->fmt.pix.bytesperline; 1117 1118 return 0; 1119 } 1120 1121 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 1122 struct v4l2_format *f) 1123 { 1124 struct cx23885_fh *fh = priv; 1125 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1126 struct v4l2_mbus_framefmt mbus_fmt; 1127 int err; 1128 1129 dprintk(2, "%s()\n", __func__); 1130 err = vidioc_try_fmt_vid_cap(file, priv, f); 1131 1132 if (0 != err) 1133 return err; 1134 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1135 fh->width = f->fmt.pix.width; 1136 fh->height = f->fmt.pix.height; 1137 fh->vidq.field = f->fmt.pix.field; 1138 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, 1139 fh->width, fh->height, fh->vidq.field); 1140 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); 1141 call_all(dev, video, s_mbus_fmt, &mbus_fmt); 1142 v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); 1143 return 0; 1144 } 1145 1146 static int vidioc_querycap(struct file *file, void *priv, 1147 struct v4l2_capability *cap) 1148 { 1149 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1150 1151 strcpy(cap->driver, "cx23885"); 1152 strlcpy(cap->card, cx23885_boards[dev->board].name, 1153 sizeof(cap->card)); 1154 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 1155 cap->capabilities = 1156 V4L2_CAP_VIDEO_CAPTURE | 1157 V4L2_CAP_READWRITE | 1158 V4L2_CAP_STREAMING | 1159 V4L2_CAP_VBI_CAPTURE; 1160 if (dev->tuner_type != TUNER_ABSENT) 1161 cap->capabilities |= V4L2_CAP_TUNER; 1162 return 0; 1163 } 1164 1165 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 1166 struct v4l2_fmtdesc *f) 1167 { 1168 if (unlikely(f->index >= ARRAY_SIZE(formats))) 1169 return -EINVAL; 1170 1171 strlcpy(f->description, formats[f->index].name, 1172 sizeof(f->description)); 1173 f->pixelformat = formats[f->index].fourcc; 1174 1175 return 0; 1176 } 1177 1178 static int vidioc_reqbufs(struct file *file, void *priv, 1179 struct v4l2_requestbuffers *p) 1180 { 1181 struct cx23885_fh *fh = priv; 1182 return videobuf_reqbufs(get_queue(fh), p); 1183 } 1184 1185 static int vidioc_querybuf(struct file *file, void *priv, 1186 struct v4l2_buffer *p) 1187 { 1188 struct cx23885_fh *fh = priv; 1189 return videobuf_querybuf(get_queue(fh), p); 1190 } 1191 1192 static int vidioc_qbuf(struct file *file, void *priv, 1193 struct v4l2_buffer *p) 1194 { 1195 struct cx23885_fh *fh = priv; 1196 return videobuf_qbuf(get_queue(fh), p); 1197 } 1198 1199 static int vidioc_dqbuf(struct file *file, void *priv, 1200 struct v4l2_buffer *p) 1201 { 1202 struct cx23885_fh *fh = priv; 1203 return videobuf_dqbuf(get_queue(fh), p, 1204 file->f_flags & O_NONBLOCK); 1205 } 1206 1207 static int vidioc_streamon(struct file *file, void *priv, 1208 enum v4l2_buf_type i) 1209 { 1210 struct cx23885_fh *fh = priv; 1211 struct cx23885_dev *dev = fh->dev; 1212 dprintk(1, "%s()\n", __func__); 1213 1214 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && 1215 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)) 1216 return -EINVAL; 1217 if (unlikely(i != fh->type)) 1218 return -EINVAL; 1219 1220 if (unlikely(!res_get(dev, fh, get_resource(fh)))) 1221 return -EBUSY; 1222 1223 /* Don't start VBI streaming unless vida streaming 1224 * has already started. 1225 */ 1226 if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) && 1227 ((cx_read(VID_A_DMA_CTL) & 0x11) == 0)) 1228 return -EINVAL; 1229 1230 return videobuf_streamon(get_queue(fh)); 1231 } 1232 1233 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) 1234 { 1235 struct cx23885_fh *fh = priv; 1236 struct cx23885_dev *dev = fh->dev; 1237 int err, res; 1238 dprintk(1, "%s()\n", __func__); 1239 1240 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && 1241 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)) 1242 return -EINVAL; 1243 if (i != fh->type) 1244 return -EINVAL; 1245 1246 res = get_resource(fh); 1247 err = videobuf_streamoff(get_queue(fh)); 1248 if (err < 0) 1249 return err; 1250 res_free(dev, fh, res); 1251 return 0; 1252 } 1253 1254 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) 1255 { 1256 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1257 dprintk(1, "%s()\n", __func__); 1258 1259 *id = dev->tvnorm; 1260 return 0; 1261 } 1262 1263 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) 1264 { 1265 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1266 dprintk(1, "%s()\n", __func__); 1267 1268 mutex_lock(&dev->lock); 1269 cx23885_set_tvnorm(dev, tvnorms); 1270 mutex_unlock(&dev->lock); 1271 1272 return 0; 1273 } 1274 1275 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) 1276 { 1277 static const char *iname[] = { 1278 [CX23885_VMUX_COMPOSITE1] = "Composite1", 1279 [CX23885_VMUX_COMPOSITE2] = "Composite2", 1280 [CX23885_VMUX_COMPOSITE3] = "Composite3", 1281 [CX23885_VMUX_COMPOSITE4] = "Composite4", 1282 [CX23885_VMUX_SVIDEO] = "S-Video", 1283 [CX23885_VMUX_COMPONENT] = "Component", 1284 [CX23885_VMUX_TELEVISION] = "Television", 1285 [CX23885_VMUX_CABLE] = "Cable TV", 1286 [CX23885_VMUX_DVB] = "DVB", 1287 [CX23885_VMUX_DEBUG] = "for debug only", 1288 }; 1289 unsigned int n; 1290 dprintk(1, "%s()\n", __func__); 1291 1292 n = i->index; 1293 if (n >= MAX_CX23885_INPUT) 1294 return -EINVAL; 1295 1296 if (0 == INPUT(n)->type) 1297 return -EINVAL; 1298 1299 i->index = n; 1300 i->type = V4L2_INPUT_TYPE_CAMERA; 1301 strcpy(i->name, iname[INPUT(n)->type]); 1302 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || 1303 (CX23885_VMUX_CABLE == INPUT(n)->type)) { 1304 i->type = V4L2_INPUT_TYPE_TUNER; 1305 i->std = CX23885_NORMS; 1306 } 1307 1308 /* Two selectable audio inputs for non-tv inputs */ 1309 if (INPUT(n)->type != CX23885_VMUX_TELEVISION) 1310 i->audioset = 0x3; 1311 1312 if (dev->input == n) { 1313 /* enum'd input matches our configured input. 1314 * Ask the video decoder to process the call 1315 * and give it an oppertunity to update the 1316 * status field. 1317 */ 1318 call_all(dev, video, g_input_status, &i->status); 1319 } 1320 1321 return 0; 1322 } 1323 1324 static int vidioc_enum_input(struct file *file, void *priv, 1325 struct v4l2_input *i) 1326 { 1327 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1328 dprintk(1, "%s()\n", __func__); 1329 return cx23885_enum_input(dev, i); 1330 } 1331 1332 int cx23885_get_input(struct file *file, void *priv, unsigned int *i) 1333 { 1334 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1335 1336 *i = dev->input; 1337 dprintk(1, "%s() returns %d\n", __func__, *i); 1338 return 0; 1339 } 1340 1341 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 1342 { 1343 return cx23885_get_input(file, priv, i); 1344 } 1345 1346 int cx23885_set_input(struct file *file, void *priv, unsigned int i) 1347 { 1348 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1349 1350 dprintk(1, "%s(%d)\n", __func__, i); 1351 1352 if (i >= MAX_CX23885_INPUT) { 1353 dprintk(1, "%s() -EINVAL\n", __func__); 1354 return -EINVAL; 1355 } 1356 1357 if (INPUT(i)->type == 0) 1358 return -EINVAL; 1359 1360 mutex_lock(&dev->lock); 1361 cx23885_video_mux(dev, i); 1362 1363 /* By default establish the default audio input for the card also */ 1364 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */ 1365 cx23885_audio_mux(dev, i); 1366 mutex_unlock(&dev->lock); 1367 return 0; 1368 } 1369 1370 static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 1371 { 1372 return cx23885_set_input(file, priv, i); 1373 } 1374 1375 static int vidioc_log_status(struct file *file, void *priv) 1376 { 1377 struct cx23885_fh *fh = priv; 1378 struct cx23885_dev *dev = fh->dev; 1379 1380 printk(KERN_INFO 1381 "%s/0: ============ START LOG STATUS ============\n", 1382 dev->name); 1383 call_all(dev, core, log_status); 1384 printk(KERN_INFO 1385 "%s/0: ============= END LOG STATUS =============\n", 1386 dev->name); 1387 return 0; 1388 } 1389 1390 static int cx23885_query_audinput(struct file *file, void *priv, 1391 struct v4l2_audio *i) 1392 { 1393 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1394 static const char *iname[] = { 1395 [0] = "Baseband L/R 1", 1396 [1] = "Baseband L/R 2", 1397 }; 1398 unsigned int n; 1399 dprintk(1, "%s()\n", __func__); 1400 1401 n = i->index; 1402 if (n >= 2) 1403 return -EINVAL; 1404 1405 memset(i, 0, sizeof(*i)); 1406 i->index = n; 1407 strcpy(i->name, iname[n]); 1408 i->capability = V4L2_AUDCAP_STEREO; 1409 i->mode = V4L2_AUDMODE_AVL; 1410 return 0; 1411 1412 } 1413 1414 static int vidioc_enum_audinput(struct file *file, void *priv, 1415 struct v4l2_audio *i) 1416 { 1417 return cx23885_query_audinput(file, priv, i); 1418 } 1419 1420 static int vidioc_g_audinput(struct file *file, void *priv, 1421 struct v4l2_audio *i) 1422 { 1423 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1424 1425 i->index = dev->audinput; 1426 dprintk(1, "%s(input=%d)\n", __func__, i->index); 1427 1428 return cx23885_query_audinput(file, priv, i); 1429 } 1430 1431 static int vidioc_s_audinput(struct file *file, void *priv, 1432 const struct v4l2_audio *i) 1433 { 1434 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1435 if (i->index >= 2) 1436 return -EINVAL; 1437 1438 dprintk(1, "%s(%d)\n", __func__, i->index); 1439 1440 dev->audinput = i->index; 1441 1442 /* Skip the audio defaults from the cards struct, caller wants 1443 * directly touch the audio mux hardware. */ 1444 cx23885_flatiron_mux(dev, dev->audinput + 1); 1445 return 0; 1446 } 1447 1448 static int vidioc_queryctrl(struct file *file, void *priv, 1449 struct v4l2_queryctrl *qctrl) 1450 { 1451 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); 1452 if (unlikely(qctrl->id == 0)) 1453 return -EINVAL; 1454 return cx23885_ctrl_query(qctrl); 1455 } 1456 1457 static int vidioc_g_ctrl(struct file *file, void *priv, 1458 struct v4l2_control *ctl) 1459 { 1460 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1461 1462 return cx23885_get_control(dev, ctl); 1463 } 1464 1465 static int vidioc_s_ctrl(struct file *file, void *priv, 1466 struct v4l2_control *ctl) 1467 { 1468 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1469 1470 return cx23885_set_control(dev, ctl); 1471 } 1472 1473 static int vidioc_g_tuner(struct file *file, void *priv, 1474 struct v4l2_tuner *t) 1475 { 1476 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1477 1478 if (dev->tuner_type == TUNER_ABSENT) 1479 return -EINVAL; 1480 if (0 != t->index) 1481 return -EINVAL; 1482 1483 strcpy(t->name, "Television"); 1484 1485 call_all(dev, tuner, g_tuner, t); 1486 return 0; 1487 } 1488 1489 static int vidioc_s_tuner(struct file *file, void *priv, 1490 const struct v4l2_tuner *t) 1491 { 1492 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1493 1494 if (dev->tuner_type == TUNER_ABSENT) 1495 return -EINVAL; 1496 if (0 != t->index) 1497 return -EINVAL; 1498 /* Update the A/V core */ 1499 call_all(dev, tuner, s_tuner, t); 1500 1501 return 0; 1502 } 1503 1504 static int vidioc_g_frequency(struct file *file, void *priv, 1505 struct v4l2_frequency *f) 1506 { 1507 struct cx23885_fh *fh = priv; 1508 struct cx23885_dev *dev = fh->dev; 1509 1510 if (dev->tuner_type == TUNER_ABSENT) 1511 return -EINVAL; 1512 1513 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ 1514 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 1515 f->frequency = dev->freq; 1516 1517 call_all(dev, tuner, g_frequency, f); 1518 1519 return 0; 1520 } 1521 1522 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f) 1523 { 1524 struct v4l2_control ctrl; 1525 1526 if (dev->tuner_type == TUNER_ABSENT) 1527 return -EINVAL; 1528 if (unlikely(f->tuner != 0)) 1529 return -EINVAL; 1530 1531 mutex_lock(&dev->lock); 1532 dev->freq = f->frequency; 1533 1534 /* I need to mute audio here */ 1535 ctrl.id = V4L2_CID_AUDIO_MUTE; 1536 ctrl.value = 1; 1537 cx23885_set_control(dev, &ctrl); 1538 1539 call_all(dev, tuner, s_frequency, f); 1540 1541 /* When changing channels it is required to reset TVAUDIO */ 1542 msleep(100); 1543 1544 /* I need to unmute audio here */ 1545 ctrl.value = 0; 1546 cx23885_set_control(dev, &ctrl); 1547 1548 mutex_unlock(&dev->lock); 1549 1550 return 0; 1551 } 1552 1553 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev, 1554 const struct v4l2_frequency *f) 1555 { 1556 struct v4l2_control ctrl; 1557 struct videobuf_dvb_frontend *vfe; 1558 struct dvb_frontend *fe; 1559 1560 struct analog_parameters params = { 1561 .mode = V4L2_TUNER_ANALOG_TV, 1562 .audmode = V4L2_TUNER_MODE_STEREO, 1563 .std = dev->tvnorm, 1564 .frequency = f->frequency 1565 }; 1566 1567 mutex_lock(&dev->lock); 1568 dev->freq = f->frequency; 1569 1570 /* I need to mute audio here */ 1571 ctrl.id = V4L2_CID_AUDIO_MUTE; 1572 ctrl.value = 1; 1573 cx23885_set_control(dev, &ctrl); 1574 1575 /* If HVR1850 */ 1576 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__, 1577 params.frequency, f->tuner, params.std); 1578 1579 vfe = videobuf_dvb_get_frontend(&dev->ts2.frontends, 1); 1580 if (!vfe) { 1581 mutex_unlock(&dev->lock); 1582 return -EINVAL; 1583 } 1584 1585 fe = vfe->dvb.frontend; 1586 1587 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 1588 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 1589 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111)) 1590 fe = &dev->ts1.analog_fe; 1591 1592 if (fe && fe->ops.tuner_ops.set_analog_params) { 1593 call_all(dev, video, s_std, dev->tvnorm); 1594 fe->ops.tuner_ops.set_analog_params(fe, ¶ms); 1595 } 1596 else 1597 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__); 1598 1599 /* When changing channels it is required to reset TVAUDIO */ 1600 msleep(100); 1601 1602 /* I need to unmute audio here */ 1603 ctrl.value = 0; 1604 cx23885_set_control(dev, &ctrl); 1605 1606 mutex_unlock(&dev->lock); 1607 1608 return 0; 1609 } 1610 1611 int cx23885_set_frequency(struct file *file, void *priv, 1612 const struct v4l2_frequency *f) 1613 { 1614 struct cx23885_fh *fh = priv; 1615 struct cx23885_dev *dev = fh->dev; 1616 int ret; 1617 1618 switch (dev->board) { 1619 case CX23885_BOARD_HAUPPAUGE_HVR1255: 1620 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: 1621 case CX23885_BOARD_HAUPPAUGE_HVR1850: 1622 ret = cx23885_set_freq_via_ops(dev, f); 1623 break; 1624 default: 1625 ret = cx23885_set_freq(dev, f); 1626 } 1627 1628 return ret; 1629 } 1630 1631 static int vidioc_s_frequency(struct file *file, void *priv, 1632 const struct v4l2_frequency *f) 1633 { 1634 return cx23885_set_frequency(file, priv, f); 1635 } 1636 1637 /* ----------------------------------------------------------- */ 1638 1639 static void cx23885_vid_timeout(unsigned long data) 1640 { 1641 struct cx23885_dev *dev = (struct cx23885_dev *)data; 1642 struct cx23885_dmaqueue *q = &dev->vidq; 1643 struct cx23885_buffer *buf; 1644 unsigned long flags; 1645 1646 spin_lock_irqsave(&dev->slock, flags); 1647 while (!list_empty(&q->active)) { 1648 buf = list_entry(q->active.next, 1649 struct cx23885_buffer, vb.queue); 1650 list_del(&buf->vb.queue); 1651 buf->vb.state = VIDEOBUF_ERROR; 1652 wake_up(&buf->vb.done); 1653 printk(KERN_ERR "%s: [%p/%d] timeout - dma=0x%08lx\n", 1654 dev->name, buf, buf->vb.i, 1655 (unsigned long)buf->risc.dma); 1656 } 1657 cx23885_restart_video_queue(dev, q); 1658 spin_unlock_irqrestore(&dev->slock, flags); 1659 } 1660 1661 int cx23885_video_irq(struct cx23885_dev *dev, u32 status) 1662 { 1663 u32 mask, count; 1664 int handled = 0; 1665 1666 mask = cx_read(VID_A_INT_MSK); 1667 if (0 == (status & mask)) 1668 return handled; 1669 1670 cx_write(VID_A_INT_STAT, status); 1671 1672 /* risc op code error, fifo overflow or line sync detection error */ 1673 if ((status & VID_BC_MSK_OPC_ERR) || 1674 (status & VID_BC_MSK_SYNC) || 1675 (status & VID_BC_MSK_OF)) { 1676 1677 if (status & VID_BC_MSK_OPC_ERR) { 1678 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", 1679 VID_BC_MSK_OPC_ERR); 1680 printk(KERN_WARNING "%s: video risc op code error\n", 1681 dev->name); 1682 cx23885_sram_channel_dump(dev, 1683 &dev->sram_channels[SRAM_CH01]); 1684 } 1685 1686 if (status & VID_BC_MSK_SYNC) 1687 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) " 1688 "video lines miss-match\n", 1689 VID_BC_MSK_SYNC); 1690 1691 if (status & VID_BC_MSK_OF) 1692 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n", 1693 VID_BC_MSK_OF); 1694 1695 } 1696 1697 /* Video */ 1698 if (status & VID_BC_MSK_RISCI1) { 1699 spin_lock(&dev->slock); 1700 count = cx_read(VID_A_GPCNT); 1701 cx23885_video_wakeup(dev, &dev->vidq, count); 1702 spin_unlock(&dev->slock); 1703 handled++; 1704 } 1705 if (status & VID_BC_MSK_RISCI2) { 1706 dprintk(2, "stopper video\n"); 1707 spin_lock(&dev->slock); 1708 cx23885_restart_video_queue(dev, &dev->vidq); 1709 spin_unlock(&dev->slock); 1710 handled++; 1711 } 1712 1713 /* Allow the VBI framework to process it's payload */ 1714 handled += cx23885_vbi_irq(dev, status); 1715 1716 return handled; 1717 } 1718 1719 /* ----------------------------------------------------------- */ 1720 /* exported stuff */ 1721 1722 static const struct v4l2_file_operations video_fops = { 1723 .owner = THIS_MODULE, 1724 .open = video_open, 1725 .release = video_release, 1726 .read = video_read, 1727 .poll = video_poll, 1728 .mmap = video_mmap, 1729 .ioctl = video_ioctl2, 1730 }; 1731 1732 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1733 .vidioc_querycap = vidioc_querycap, 1734 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1735 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1736 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1737 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1738 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, 1739 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, 1740 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, 1741 .vidioc_reqbufs = vidioc_reqbufs, 1742 .vidioc_querybuf = vidioc_querybuf, 1743 .vidioc_qbuf = vidioc_qbuf, 1744 .vidioc_dqbuf = vidioc_dqbuf, 1745 .vidioc_s_std = vidioc_s_std, 1746 .vidioc_g_std = vidioc_g_std, 1747 .vidioc_enum_input = vidioc_enum_input, 1748 .vidioc_g_input = vidioc_g_input, 1749 .vidioc_s_input = vidioc_s_input, 1750 .vidioc_log_status = vidioc_log_status, 1751 .vidioc_queryctrl = vidioc_queryctrl, 1752 .vidioc_g_ctrl = vidioc_g_ctrl, 1753 .vidioc_s_ctrl = vidioc_s_ctrl, 1754 .vidioc_streamon = vidioc_streamon, 1755 .vidioc_streamoff = vidioc_streamoff, 1756 .vidioc_g_tuner = vidioc_g_tuner, 1757 .vidioc_s_tuner = vidioc_s_tuner, 1758 .vidioc_g_frequency = vidioc_g_frequency, 1759 .vidioc_s_frequency = vidioc_s_frequency, 1760 #ifdef CONFIG_VIDEO_ADV_DEBUG 1761 .vidioc_g_chip_info = cx23885_g_chip_info, 1762 .vidioc_g_register = cx23885_g_register, 1763 .vidioc_s_register = cx23885_s_register, 1764 #endif 1765 .vidioc_enumaudio = vidioc_enum_audinput, 1766 .vidioc_g_audio = vidioc_g_audinput, 1767 .vidioc_s_audio = vidioc_s_audinput, 1768 }; 1769 1770 static struct video_device cx23885_vbi_template; 1771 static struct video_device cx23885_video_template = { 1772 .name = "cx23885-video", 1773 .fops = &video_fops, 1774 .ioctl_ops = &video_ioctl_ops, 1775 .tvnorms = CX23885_NORMS, 1776 }; 1777 1778 static const struct v4l2_file_operations radio_fops = { 1779 .owner = THIS_MODULE, 1780 .open = video_open, 1781 .release = video_release, 1782 .ioctl = video_ioctl2, 1783 }; 1784 1785 1786 void cx23885_video_unregister(struct cx23885_dev *dev) 1787 { 1788 dprintk(1, "%s()\n", __func__); 1789 cx23885_irq_remove(dev, 0x01); 1790 1791 if (dev->vbi_dev) { 1792 if (video_is_registered(dev->vbi_dev)) 1793 video_unregister_device(dev->vbi_dev); 1794 else 1795 video_device_release(dev->vbi_dev); 1796 dev->vbi_dev = NULL; 1797 btcx_riscmem_free(dev->pci, &dev->vbiq.stopper); 1798 } 1799 if (dev->video_dev) { 1800 if (video_is_registered(dev->video_dev)) 1801 video_unregister_device(dev->video_dev); 1802 else 1803 video_device_release(dev->video_dev); 1804 dev->video_dev = NULL; 1805 1806 btcx_riscmem_free(dev->pci, &dev->vidq.stopper); 1807 } 1808 1809 if (dev->audio_dev) 1810 cx23885_audio_unregister(dev); 1811 } 1812 1813 int cx23885_video_register(struct cx23885_dev *dev) 1814 { 1815 int err; 1816 1817 dprintk(1, "%s()\n", __func__); 1818 spin_lock_init(&dev->slock); 1819 1820 /* Initialize VBI template */ 1821 cx23885_vbi_template = cx23885_video_template; 1822 strcpy(cx23885_vbi_template.name, "cx23885-vbi"); 1823 1824 dev->tvnorm = V4L2_STD_NTSC_M; 1825 1826 /* init video dma queues */ 1827 INIT_LIST_HEAD(&dev->vidq.active); 1828 INIT_LIST_HEAD(&dev->vidq.queued); 1829 dev->vidq.timeout.function = cx23885_vid_timeout; 1830 dev->vidq.timeout.data = (unsigned long)dev; 1831 init_timer(&dev->vidq.timeout); 1832 cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, 1833 VID_A_DMA_CTL, 0x11, 0x00); 1834 1835 /* init vbi dma queues */ 1836 INIT_LIST_HEAD(&dev->vbiq.active); 1837 INIT_LIST_HEAD(&dev->vbiq.queued); 1838 dev->vbiq.timeout.function = cx23885_vbi_timeout; 1839 dev->vbiq.timeout.data = (unsigned long)dev; 1840 init_timer(&dev->vbiq.timeout); 1841 cx23885_risc_stopper(dev->pci, &dev->vbiq.stopper, 1842 VID_A_DMA_CTL, 0x22, 0x00); 1843 1844 cx23885_irq_add_enable(dev, 0x01); 1845 1846 if ((TUNER_ABSENT != dev->tuner_type) && 1847 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { 1848 struct v4l2_subdev *sd = NULL; 1849 1850 if (dev->tuner_addr) 1851 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1852 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1853 "tuner", dev->tuner_addr, NULL); 1854 else 1855 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1856 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1857 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); 1858 if (sd) { 1859 struct tuner_setup tun_setup; 1860 1861 memset(&tun_setup, 0, sizeof(tun_setup)); 1862 tun_setup.mode_mask = T_ANALOG_TV; 1863 tun_setup.type = dev->tuner_type; 1864 tun_setup.addr = v4l2_i2c_subdev_addr(sd); 1865 tun_setup.tuner_callback = cx23885_tuner_callback; 1866 1867 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); 1868 1869 if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) || 1870 (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) { 1871 struct xc2028_ctrl ctrl = { 1872 .fname = XC2028_DEFAULT_FIRMWARE, 1873 .max_len = 64 1874 }; 1875 struct v4l2_priv_tun_config cfg = { 1876 .tuner = dev->tuner_type, 1877 .priv = &ctrl 1878 }; 1879 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1880 } 1881 1882 if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) { 1883 struct xc2028_ctrl ctrl = { 1884 .fname = "xc3028L-v36.fw", 1885 .max_len = 64 1886 }; 1887 struct v4l2_priv_tun_config cfg = { 1888 .tuner = dev->tuner_type, 1889 .priv = &ctrl 1890 }; 1891 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1892 } 1893 } 1894 } 1895 1896 /* register Video device */ 1897 dev->video_dev = cx23885_vdev_init(dev, dev->pci, 1898 &cx23885_video_template, "video"); 1899 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, 1900 video_nr[dev->nr]); 1901 if (err < 0) { 1902 printk(KERN_INFO "%s: can't register video device\n", 1903 dev->name); 1904 goto fail_unreg; 1905 } 1906 printk(KERN_INFO "%s: registered device %s [v4l2]\n", 1907 dev->name, video_device_node_name(dev->video_dev)); 1908 1909 /* register VBI device */ 1910 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, 1911 &cx23885_vbi_template, "vbi"); 1912 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 1913 vbi_nr[dev->nr]); 1914 if (err < 0) { 1915 printk(KERN_INFO "%s: can't register vbi device\n", 1916 dev->name); 1917 goto fail_unreg; 1918 } 1919 printk(KERN_INFO "%s: registered device %s\n", 1920 dev->name, video_device_node_name(dev->vbi_dev)); 1921 1922 /* Register ALSA audio device */ 1923 dev->audio_dev = cx23885_audio_register(dev); 1924 1925 /* initial device configuration */ 1926 mutex_lock(&dev->lock); 1927 cx23885_set_tvnorm(dev, dev->tvnorm); 1928 init_controls(dev); 1929 cx23885_video_mux(dev, 0); 1930 cx23885_audio_mux(dev, 0); 1931 mutex_unlock(&dev->lock); 1932 1933 return 0; 1934 1935 fail_unreg: 1936 cx23885_video_unregister(dev); 1937 return err; 1938 } 1939 1940