1 /* 2 * Driver for the Conexant CX23885 PCIe bridge 3 * 4 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 */ 21 22 #include <linux/init.h> 23 #include <linux/list.h> 24 #include <linux/module.h> 25 #include <linux/moduleparam.h> 26 #include <linux/kmod.h> 27 #include <linux/kernel.h> 28 #include <linux/slab.h> 29 #include <linux/interrupt.h> 30 #include <linux/delay.h> 31 #include <linux/kthread.h> 32 #include <asm/div64.h> 33 34 #include "cx23885.h" 35 #include <media/v4l2-common.h> 36 #include <media/v4l2-ioctl.h> 37 #include "cx23885-ioctl.h" 38 #include "tuner-xc2028.h" 39 40 #include <media/cx25840.h> 41 42 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); 43 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); 44 MODULE_LICENSE("GPL"); 45 46 /* ------------------------------------------------------------------ */ 47 48 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 49 static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 50 static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 51 52 module_param_array(video_nr, int, NULL, 0444); 53 module_param_array(vbi_nr, int, NULL, 0444); 54 module_param_array(radio_nr, int, NULL, 0444); 55 56 MODULE_PARM_DESC(video_nr, "video device numbers"); 57 MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 58 MODULE_PARM_DESC(radio_nr, "radio device numbers"); 59 60 static unsigned int video_debug; 61 module_param(video_debug, int, 0644); 62 MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 63 64 static unsigned int irq_debug; 65 module_param(irq_debug, int, 0644); 66 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); 67 68 static unsigned int vid_limit = 16; 69 module_param(vid_limit, int, 0644); 70 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); 71 72 #define dprintk(level, fmt, arg...)\ 73 do { if (video_debug >= level)\ 74 printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\ 75 } while (0) 76 77 /* ------------------------------------------------------------------- */ 78 /* static data */ 79 80 #define FORMAT_FLAGS_PACKED 0x01 81 #if 0 82 static struct cx23885_fmt formats[] = { 83 { 84 .name = "8 bpp, gray", 85 .fourcc = V4L2_PIX_FMT_GREY, 86 .depth = 8, 87 .flags = FORMAT_FLAGS_PACKED, 88 }, { 89 .name = "15 bpp RGB, le", 90 .fourcc = V4L2_PIX_FMT_RGB555, 91 .depth = 16, 92 .flags = FORMAT_FLAGS_PACKED, 93 }, { 94 .name = "15 bpp RGB, be", 95 .fourcc = V4L2_PIX_FMT_RGB555X, 96 .depth = 16, 97 .flags = FORMAT_FLAGS_PACKED, 98 }, { 99 .name = "16 bpp RGB, le", 100 .fourcc = V4L2_PIX_FMT_RGB565, 101 .depth = 16, 102 .flags = FORMAT_FLAGS_PACKED, 103 }, { 104 .name = "16 bpp RGB, be", 105 .fourcc = V4L2_PIX_FMT_RGB565X, 106 .depth = 16, 107 .flags = FORMAT_FLAGS_PACKED, 108 }, { 109 .name = "24 bpp RGB, le", 110 .fourcc = V4L2_PIX_FMT_BGR24, 111 .depth = 24, 112 .flags = FORMAT_FLAGS_PACKED, 113 }, { 114 .name = "32 bpp RGB, le", 115 .fourcc = V4L2_PIX_FMT_BGR32, 116 .depth = 32, 117 .flags = FORMAT_FLAGS_PACKED, 118 }, { 119 .name = "32 bpp RGB, be", 120 .fourcc = V4L2_PIX_FMT_RGB32, 121 .depth = 32, 122 .flags = FORMAT_FLAGS_PACKED, 123 }, { 124 .name = "4:2:2, packed, YUYV", 125 .fourcc = V4L2_PIX_FMT_YUYV, 126 .depth = 16, 127 .flags = FORMAT_FLAGS_PACKED, 128 }, { 129 .name = "4:2:2, packed, UYVY", 130 .fourcc = V4L2_PIX_FMT_UYVY, 131 .depth = 16, 132 .flags = FORMAT_FLAGS_PACKED, 133 }, 134 }; 135 #else 136 static struct cx23885_fmt formats[] = { 137 { 138 #if 0 139 .name = "4:2:2, packed, UYVY", 140 .fourcc = V4L2_PIX_FMT_UYVY, 141 .depth = 16, 142 .flags = FORMAT_FLAGS_PACKED, 143 }, { 144 #endif 145 .name = "4:2:2, packed, YUYV", 146 .fourcc = V4L2_PIX_FMT_YUYV, 147 .depth = 16, 148 .flags = FORMAT_FLAGS_PACKED, 149 } 150 }; 151 #endif 152 153 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) 154 { 155 unsigned int i; 156 157 for (i = 0; i < ARRAY_SIZE(formats); i++) 158 if (formats[i].fourcc == fourcc) 159 return formats+i; 160 161 printk(KERN_ERR "%s(%c%c%c%c) NOT FOUND\n", __func__, 162 (fourcc & 0xff), 163 ((fourcc >> 8) & 0xff), 164 ((fourcc >> 16) & 0xff), 165 ((fourcc >> 24) & 0xff) 166 ); 167 return NULL; 168 } 169 170 /* ------------------------------------------------------------------- */ 171 172 static const struct v4l2_queryctrl no_ctl = { 173 .name = "42", 174 .flags = V4L2_CTRL_FLAG_DISABLED, 175 }; 176 177 static struct cx23885_ctrl cx23885_ctls[] = { 178 /* --- video --- */ 179 { 180 .v = { 181 .id = V4L2_CID_BRIGHTNESS, 182 .name = "Brightness", 183 .minimum = 0x00, 184 .maximum = 0xff, 185 .step = 1, 186 .default_value = 0x7f, 187 .type = V4L2_CTRL_TYPE_INTEGER, 188 }, 189 .off = 128, 190 .reg = LUMA_CTRL, 191 .mask = 0x00ff, 192 .shift = 0, 193 }, { 194 .v = { 195 .id = V4L2_CID_CONTRAST, 196 .name = "Contrast", 197 .minimum = 0, 198 .maximum = 0x7f, 199 .step = 1, 200 .default_value = 0x3f, 201 .type = V4L2_CTRL_TYPE_INTEGER, 202 }, 203 .off = 0, 204 .reg = LUMA_CTRL, 205 .mask = 0xff00, 206 .shift = 8, 207 }, { 208 .v = { 209 .id = V4L2_CID_HUE, 210 .name = "Hue", 211 .minimum = -127, 212 .maximum = 128, 213 .step = 1, 214 .default_value = 0x0, 215 .type = V4L2_CTRL_TYPE_INTEGER, 216 }, 217 .off = 128, 218 .reg = CHROMA_CTRL, 219 .mask = 0xff0000, 220 .shift = 16, 221 }, { 222 /* strictly, this only describes only U saturation. 223 * V saturation is handled specially through code. 224 */ 225 .v = { 226 .id = V4L2_CID_SATURATION, 227 .name = "Saturation", 228 .minimum = 0, 229 .maximum = 0x7f, 230 .step = 1, 231 .default_value = 0x3f, 232 .type = V4L2_CTRL_TYPE_INTEGER, 233 }, 234 .off = 0, 235 .reg = CHROMA_CTRL, 236 .mask = 0x00ff, 237 .shift = 0, 238 }, { 239 /* --- audio --- */ 240 .v = { 241 .id = V4L2_CID_AUDIO_MUTE, 242 .name = "Mute", 243 .minimum = 0, 244 .maximum = 1, 245 .default_value = 1, 246 .type = V4L2_CTRL_TYPE_BOOLEAN, 247 }, 248 .reg = PATH1_CTL1, 249 .mask = (0x1f << 24), 250 .shift = 24, 251 }, { 252 .v = { 253 .id = V4L2_CID_AUDIO_VOLUME, 254 .name = "Volume", 255 .minimum = 0, 256 .maximum = 65535, 257 .step = 65535 / 100, 258 .default_value = 65535, 259 .type = V4L2_CTRL_TYPE_INTEGER, 260 }, 261 .reg = PATH1_VOL_CTL, 262 .mask = 0xff, 263 .shift = 0, 264 } 265 }; 266 static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls); 267 268 /* Must be sorted from low to high control ID! */ 269 static const u32 cx23885_user_ctrls[] = { 270 V4L2_CID_USER_CLASS, 271 V4L2_CID_BRIGHTNESS, 272 V4L2_CID_CONTRAST, 273 V4L2_CID_SATURATION, 274 V4L2_CID_HUE, 275 V4L2_CID_AUDIO_VOLUME, 276 V4L2_CID_AUDIO_MUTE, 277 0 278 }; 279 280 static const u32 *ctrl_classes[] = { 281 cx23885_user_ctrls, 282 NULL 283 }; 284 285 void cx23885_video_wakeup(struct cx23885_dev *dev, 286 struct cx23885_dmaqueue *q, u32 count) 287 { 288 struct cx23885_buffer *buf; 289 int bc; 290 291 for (bc = 0;; bc++) { 292 if (list_empty(&q->active)) 293 break; 294 buf = list_entry(q->active.next, 295 struct cx23885_buffer, vb.queue); 296 297 /* count comes from the hw and is is 16bit wide -- 298 * this trick handles wrap-arounds correctly for 299 * up to 32767 buffers in flight... */ 300 if ((s16) (count - buf->count) < 0) 301 break; 302 303 v4l2_get_timestamp(&buf->vb.ts); 304 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, 305 count, buf->count); 306 buf->vb.state = VIDEOBUF_DONE; 307 list_del(&buf->vb.queue); 308 wake_up(&buf->vb.done); 309 } 310 if (list_empty(&q->active)) 311 del_timer(&q->timeout); 312 else 313 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 314 if (bc != 1) 315 printk(KERN_ERR "%s: %d buffers handled (should be 1)\n", 316 __func__, bc); 317 } 318 319 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) 320 { 321 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", 322 __func__, 323 (unsigned int)norm, 324 v4l2_norm_to_name(norm)); 325 326 dev->tvnorm = norm; 327 328 call_all(dev, core, s_std, norm); 329 330 return 0; 331 } 332 333 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, 334 struct pci_dev *pci, 335 struct video_device *template, 336 char *type) 337 { 338 struct video_device *vfd; 339 dprintk(1, "%s()\n", __func__); 340 341 vfd = video_device_alloc(); 342 if (NULL == vfd) 343 return NULL; 344 *vfd = *template; 345 vfd->v4l2_dev = &dev->v4l2_dev; 346 vfd->release = video_device_release; 347 snprintf(vfd->name, sizeof(vfd->name), "%s (%s)", 348 cx23885_boards[dev->board].name, type); 349 video_set_drvdata(vfd, dev); 350 return vfd; 351 } 352 353 static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl) 354 { 355 int i; 356 357 if (qctrl->id < V4L2_CID_BASE || 358 qctrl->id >= V4L2_CID_LASTP1) 359 return -EINVAL; 360 for (i = 0; i < CX23885_CTLS; i++) 361 if (cx23885_ctls[i].v.id == qctrl->id) 362 break; 363 if (i == CX23885_CTLS) { 364 *qctrl = no_ctl; 365 return 0; 366 } 367 *qctrl = cx23885_ctls[i].v; 368 return 0; 369 } 370 371 /* ------------------------------------------------------------------- */ 372 /* resource management */ 373 374 static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh, 375 unsigned int bit) 376 { 377 dprintk(1, "%s()\n", __func__); 378 if (fh->resources & bit) 379 /* have it already allocated */ 380 return 1; 381 382 /* is it free? */ 383 mutex_lock(&dev->lock); 384 if (dev->resources & bit) { 385 /* no, someone else uses it */ 386 mutex_unlock(&dev->lock); 387 return 0; 388 } 389 /* it's free, grab it */ 390 fh->resources |= bit; 391 dev->resources |= bit; 392 dprintk(1, "res: get %d\n", bit); 393 mutex_unlock(&dev->lock); 394 return 1; 395 } 396 397 static int res_check(struct cx23885_fh *fh, unsigned int bit) 398 { 399 return fh->resources & bit; 400 } 401 402 static int res_locked(struct cx23885_dev *dev, unsigned int bit) 403 { 404 return dev->resources & bit; 405 } 406 407 static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh, 408 unsigned int bits) 409 { 410 BUG_ON((fh->resources & bits) != bits); 411 dprintk(1, "%s()\n", __func__); 412 413 mutex_lock(&dev->lock); 414 fh->resources &= ~bits; 415 dev->resources &= ~bits; 416 dprintk(1, "res: put %d\n", bits); 417 mutex_unlock(&dev->lock); 418 } 419 420 static int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data) 421 { 422 /* 8 bit registers, 8 bit values */ 423 u8 buf[] = { reg, data }; 424 425 struct i2c_msg msg = { .addr = 0x98 >> 1, 426 .flags = 0, .buf = buf, .len = 2 }; 427 428 return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1); 429 } 430 431 static u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg) 432 { 433 /* 8 bit registers, 8 bit values */ 434 int ret; 435 u8 b0[] = { reg }; 436 u8 b1[] = { 0 }; 437 438 struct i2c_msg msg[] = { 439 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 }, 440 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 } 441 }; 442 443 ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2); 444 if (ret != 2) 445 printk(KERN_ERR "%s() error\n", __func__); 446 447 return b1[0]; 448 } 449 450 static void cx23885_flatiron_dump(struct cx23885_dev *dev) 451 { 452 int i; 453 dprintk(1, "Flatiron dump\n"); 454 for (i = 0; i < 0x24; i++) { 455 dprintk(1, "FI[%02x] = %02x\n", i, 456 cx23885_flatiron_read(dev, i)); 457 } 458 } 459 460 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input) 461 { 462 u8 val; 463 dprintk(1, "%s(input = %d)\n", __func__, input); 464 465 if (input == 1) 466 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL; 467 else if (input == 2) 468 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL; 469 else 470 return -EINVAL; 471 472 val |= 0x20; /* Enable clock to delta-sigma and dec filter */ 473 474 cx23885_flatiron_write(dev, CH_PWR_CTRL1, val); 475 476 /* Wake up */ 477 cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0); 478 479 if (video_debug) 480 cx23885_flatiron_dump(dev); 481 482 return 0; 483 } 484 485 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) 486 { 487 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", 488 __func__, 489 input, INPUT(input)->vmux, 490 INPUT(input)->gpio0, INPUT(input)->gpio1, 491 INPUT(input)->gpio2, INPUT(input)->gpio3); 492 dev->input = input; 493 494 if (dev->board == CX23885_BOARD_MYGICA_X8506 || 495 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 || 496 dev->board == CX23885_BOARD_MYGICA_X8507) { 497 /* Select Analog TV */ 498 if (INPUT(input)->type == CX23885_VMUX_TELEVISION) 499 cx23885_gpio_clear(dev, GPIO_0); 500 } 501 502 /* Tell the internal A/V decoder */ 503 v4l2_subdev_call(dev->sd_cx25840, video, s_routing, 504 INPUT(input)->vmux, 0, 0); 505 506 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) || 507 (dev->board == CX23885_BOARD_MPX885) || 508 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) || 509 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 510 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) || 511 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 512 (dev->board == CX23885_BOARD_MYGICA_X8507) || 513 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R)) { 514 /* Configure audio routing */ 515 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing, 516 INPUT(input)->amux, 0, 0); 517 518 if (INPUT(input)->amux == CX25840_AUDIO7) 519 cx23885_flatiron_mux(dev, 1); 520 else if (INPUT(input)->amux == CX25840_AUDIO6) 521 cx23885_flatiron_mux(dev, 2); 522 } 523 524 return 0; 525 } 526 527 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input) 528 { 529 dprintk(1, "%s(input=%d)\n", __func__, input); 530 531 /* The baseband video core of the cx23885 has two audio inputs. 532 * LR1 and LR2. In almost every single case so far only HVR1xxx 533 * cards we've only ever supported LR1. Time to support LR2, 534 * which is available via the optional white breakout header on 535 * the board. 536 * We'll use a could of existing enums in the card struct to allow 537 * devs to specify which baseband input they need, or just default 538 * to what we've always used. 539 */ 540 if (INPUT(input)->amux == CX25840_AUDIO7) 541 cx23885_flatiron_mux(dev, 1); 542 else if (INPUT(input)->amux == CX25840_AUDIO6) 543 cx23885_flatiron_mux(dev, 2); 544 else { 545 /* Not specifically defined, assume the default. */ 546 cx23885_flatiron_mux(dev, 1); 547 } 548 549 return 0; 550 } 551 552 /* ------------------------------------------------------------------ */ 553 static int cx23885_start_video_dma(struct cx23885_dev *dev, 554 struct cx23885_dmaqueue *q, 555 struct cx23885_buffer *buf) 556 { 557 dprintk(1, "%s()\n", __func__); 558 559 /* Stop the dma/fifo before we tamper with it's risc programs */ 560 cx_clear(VID_A_DMA_CTL, 0x11); 561 562 /* setup fifo + format */ 563 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], 564 buf->bpl, buf->risc.dma); 565 566 /* reset counter */ 567 cx_write(VID_A_GPCNT_CTL, 3); 568 q->count = 1; 569 570 /* enable irq */ 571 cx23885_irq_add_enable(dev, 0x01); 572 cx_set(VID_A_INT_MSK, 0x000011); 573 574 /* start dma */ 575 cx_set(DEV_CNTRL2, (1<<5)); 576 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ 577 578 return 0; 579 } 580 581 582 static int cx23885_restart_video_queue(struct cx23885_dev *dev, 583 struct cx23885_dmaqueue *q) 584 { 585 struct cx23885_buffer *buf, *prev; 586 struct list_head *item; 587 dprintk(1, "%s()\n", __func__); 588 589 if (!list_empty(&q->active)) { 590 buf = list_entry(q->active.next, struct cx23885_buffer, 591 vb.queue); 592 dprintk(2, "restart_queue [%p/%d]: restart dma\n", 593 buf, buf->vb.i); 594 cx23885_start_video_dma(dev, q, buf); 595 list_for_each(item, &q->active) { 596 buf = list_entry(item, struct cx23885_buffer, 597 vb.queue); 598 buf->count = q->count++; 599 } 600 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 601 return 0; 602 } 603 604 prev = NULL; 605 for (;;) { 606 if (list_empty(&q->queued)) 607 return 0; 608 buf = list_entry(q->queued.next, struct cx23885_buffer, 609 vb.queue); 610 if (NULL == prev) { 611 list_move_tail(&buf->vb.queue, &q->active); 612 cx23885_start_video_dma(dev, q, buf); 613 buf->vb.state = VIDEOBUF_ACTIVE; 614 buf->count = q->count++; 615 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 616 dprintk(2, "[%p/%d] restart_queue - first active\n", 617 buf, buf->vb.i); 618 619 } else if (prev->vb.width == buf->vb.width && 620 prev->vb.height == buf->vb.height && 621 prev->fmt == buf->fmt) { 622 list_move_tail(&buf->vb.queue, &q->active); 623 buf->vb.state = VIDEOBUF_ACTIVE; 624 buf->count = q->count++; 625 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 626 prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ 627 dprintk(2, "[%p/%d] restart_queue - move to active\n", 628 buf, buf->vb.i); 629 } else { 630 return 0; 631 } 632 prev = buf; 633 } 634 } 635 636 static int buffer_setup(struct videobuf_queue *q, unsigned int *count, 637 unsigned int *size) 638 { 639 struct cx23885_fh *fh = q->priv_data; 640 641 *size = fh->fmt->depth*fh->width*fh->height >> 3; 642 if (0 == *count) 643 *count = 32; 644 if (*size * *count > vid_limit * 1024 * 1024) 645 *count = (vid_limit * 1024 * 1024) / *size; 646 return 0; 647 } 648 649 static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, 650 enum v4l2_field field) 651 { 652 struct cx23885_fh *fh = q->priv_data; 653 struct cx23885_dev *dev = fh->dev; 654 struct cx23885_buffer *buf = 655 container_of(vb, struct cx23885_buffer, vb); 656 int rc, init_buffer = 0; 657 u32 line0_offset, line1_offset; 658 struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); 659 int field_tff; 660 661 BUG_ON(NULL == fh->fmt); 662 if (fh->width < 48 || fh->width > norm_maxw(dev->tvnorm) || 663 fh->height < 32 || fh->height > norm_maxh(dev->tvnorm)) 664 return -EINVAL; 665 buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; 666 if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) 667 return -EINVAL; 668 669 if (buf->fmt != fh->fmt || 670 buf->vb.width != fh->width || 671 buf->vb.height != fh->height || 672 buf->vb.field != field) { 673 buf->fmt = fh->fmt; 674 buf->vb.width = fh->width; 675 buf->vb.height = fh->height; 676 buf->vb.field = field; 677 init_buffer = 1; 678 } 679 680 if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { 681 init_buffer = 1; 682 rc = videobuf_iolock(q, &buf->vb, NULL); 683 if (0 != rc) 684 goto fail; 685 } 686 687 if (init_buffer) { 688 buf->bpl = buf->vb.width * buf->fmt->depth >> 3; 689 switch (buf->vb.field) { 690 case V4L2_FIELD_TOP: 691 cx23885_risc_buffer(dev->pci, &buf->risc, 692 dma->sglist, 0, UNSET, 693 buf->bpl, 0, buf->vb.height); 694 break; 695 case V4L2_FIELD_BOTTOM: 696 cx23885_risc_buffer(dev->pci, &buf->risc, 697 dma->sglist, UNSET, 0, 698 buf->bpl, 0, buf->vb.height); 699 break; 700 case V4L2_FIELD_INTERLACED: 701 if (dev->tvnorm & V4L2_STD_NTSC) 702 /* NTSC or */ 703 field_tff = 1; 704 else 705 field_tff = 0; 706 707 if (cx23885_boards[dev->board].force_bff) 708 /* PAL / SECAM OR 888 in NTSC MODE */ 709 field_tff = 0; 710 711 if (field_tff) { 712 /* cx25840 transmits NTSC bottom field first */ 713 dprintk(1, "%s() Creating TFF/NTSC risc\n", 714 __func__); 715 line0_offset = buf->bpl; 716 line1_offset = 0; 717 } else { 718 /* All other formats are top field first */ 719 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n", 720 __func__); 721 line0_offset = 0; 722 line1_offset = buf->bpl; 723 } 724 cx23885_risc_buffer(dev->pci, &buf->risc, 725 dma->sglist, line0_offset, 726 line1_offset, 727 buf->bpl, buf->bpl, 728 buf->vb.height >> 1); 729 break; 730 case V4L2_FIELD_SEQ_TB: 731 cx23885_risc_buffer(dev->pci, &buf->risc, 732 dma->sglist, 733 0, buf->bpl * (buf->vb.height >> 1), 734 buf->bpl, 0, 735 buf->vb.height >> 1); 736 break; 737 case V4L2_FIELD_SEQ_BT: 738 cx23885_risc_buffer(dev->pci, &buf->risc, 739 dma->sglist, 740 buf->bpl * (buf->vb.height >> 1), 0, 741 buf->bpl, 0, 742 buf->vb.height >> 1); 743 break; 744 default: 745 BUG(); 746 } 747 } 748 dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 749 buf, buf->vb.i, 750 fh->width, fh->height, fh->fmt->depth, fh->fmt->name, 751 (unsigned long)buf->risc.dma); 752 753 buf->vb.state = VIDEOBUF_PREPARED; 754 return 0; 755 756 fail: 757 cx23885_free_buffer(q, buf); 758 return rc; 759 } 760 761 static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) 762 { 763 struct cx23885_buffer *buf = container_of(vb, 764 struct cx23885_buffer, vb); 765 struct cx23885_buffer *prev; 766 struct cx23885_fh *fh = vq->priv_data; 767 struct cx23885_dev *dev = fh->dev; 768 struct cx23885_dmaqueue *q = &dev->vidq; 769 770 /* add jump to stopper */ 771 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); 772 buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); 773 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 774 775 if (!list_empty(&q->queued)) { 776 list_add_tail(&buf->vb.queue, &q->queued); 777 buf->vb.state = VIDEOBUF_QUEUED; 778 dprintk(2, "[%p/%d] buffer_queue - append to queued\n", 779 buf, buf->vb.i); 780 781 } else if (list_empty(&q->active)) { 782 list_add_tail(&buf->vb.queue, &q->active); 783 cx23885_start_video_dma(dev, q, buf); 784 buf->vb.state = VIDEOBUF_ACTIVE; 785 buf->count = q->count++; 786 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); 787 dprintk(2, "[%p/%d] buffer_queue - first active\n", 788 buf, buf->vb.i); 789 790 } else { 791 prev = list_entry(q->active.prev, struct cx23885_buffer, 792 vb.queue); 793 if (prev->vb.width == buf->vb.width && 794 prev->vb.height == buf->vb.height && 795 prev->fmt == buf->fmt) { 796 list_add_tail(&buf->vb.queue, &q->active); 797 buf->vb.state = VIDEOBUF_ACTIVE; 798 buf->count = q->count++; 799 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 800 /* 64 bit bits 63-32 */ 801 prev->risc.jmp[2] = cpu_to_le32(0); 802 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 803 buf, buf->vb.i); 804 805 } else { 806 list_add_tail(&buf->vb.queue, &q->queued); 807 buf->vb.state = VIDEOBUF_QUEUED; 808 dprintk(2, "[%p/%d] buffer_queue - first queued\n", 809 buf, buf->vb.i); 810 } 811 } 812 } 813 814 static void buffer_release(struct videobuf_queue *q, 815 struct videobuf_buffer *vb) 816 { 817 struct cx23885_buffer *buf = container_of(vb, 818 struct cx23885_buffer, vb); 819 820 cx23885_free_buffer(q, buf); 821 } 822 823 static struct videobuf_queue_ops cx23885_video_qops = { 824 .buf_setup = buffer_setup, 825 .buf_prepare = buffer_prepare, 826 .buf_queue = buffer_queue, 827 .buf_release = buffer_release, 828 }; 829 830 static struct videobuf_queue *get_queue(struct cx23885_fh *fh) 831 { 832 switch (fh->type) { 833 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 834 return &fh->vidq; 835 case V4L2_BUF_TYPE_VBI_CAPTURE: 836 return &fh->vbiq; 837 default: 838 BUG(); 839 return NULL; 840 } 841 } 842 843 static int get_resource(struct cx23885_fh *fh) 844 { 845 switch (fh->type) { 846 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 847 return RESOURCE_VIDEO; 848 case V4L2_BUF_TYPE_VBI_CAPTURE: 849 return RESOURCE_VBI; 850 default: 851 BUG(); 852 return 0; 853 } 854 } 855 856 static int video_open(struct file *file) 857 { 858 struct video_device *vdev = video_devdata(file); 859 struct cx23885_dev *dev = video_drvdata(file); 860 struct cx23885_fh *fh; 861 enum v4l2_buf_type type = 0; 862 int radio = 0; 863 864 switch (vdev->vfl_type) { 865 case VFL_TYPE_GRABBER: 866 type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 867 break; 868 case VFL_TYPE_VBI: 869 type = V4L2_BUF_TYPE_VBI_CAPTURE; 870 break; 871 case VFL_TYPE_RADIO: 872 radio = 1; 873 break; 874 } 875 876 dprintk(1, "open dev=%s radio=%d type=%s\n", 877 video_device_node_name(vdev), radio, v4l2_type_names[type]); 878 879 /* allocate + initialize per filehandle data */ 880 fh = kzalloc(sizeof(*fh), GFP_KERNEL); 881 if (NULL == fh) 882 return -ENOMEM; 883 884 file->private_data = fh; 885 fh->dev = dev; 886 fh->radio = radio; 887 fh->type = type; 888 fh->width = 320; 889 fh->height = 240; 890 fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); 891 892 videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, 893 &dev->pci->dev, &dev->slock, 894 V4L2_BUF_TYPE_VIDEO_CAPTURE, 895 V4L2_FIELD_INTERLACED, 896 sizeof(struct cx23885_buffer), 897 fh, NULL); 898 899 videobuf_queue_sg_init(&fh->vbiq, &cx23885_vbi_qops, 900 &dev->pci->dev, &dev->slock, 901 V4L2_BUF_TYPE_VBI_CAPTURE, 902 V4L2_FIELD_SEQ_TB, 903 sizeof(struct cx23885_buffer), 904 fh, NULL); 905 906 907 dprintk(1, "post videobuf_queue_init()\n"); 908 909 return 0; 910 } 911 912 static ssize_t video_read(struct file *file, char __user *data, 913 size_t count, loff_t *ppos) 914 { 915 struct cx23885_fh *fh = file->private_data; 916 917 switch (fh->type) { 918 case V4L2_BUF_TYPE_VIDEO_CAPTURE: 919 if (res_locked(fh->dev, RESOURCE_VIDEO)) 920 return -EBUSY; 921 return videobuf_read_one(&fh->vidq, data, count, ppos, 922 file->f_flags & O_NONBLOCK); 923 case V4L2_BUF_TYPE_VBI_CAPTURE: 924 if (!res_get(fh->dev, fh, RESOURCE_VBI)) 925 return -EBUSY; 926 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1, 927 file->f_flags & O_NONBLOCK); 928 default: 929 BUG(); 930 return 0; 931 } 932 } 933 934 static unsigned int video_poll(struct file *file, 935 struct poll_table_struct *wait) 936 { 937 struct cx23885_fh *fh = file->private_data; 938 struct cx23885_buffer *buf; 939 unsigned int rc = POLLERR; 940 941 if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) { 942 if (!res_get(fh->dev, fh, RESOURCE_VBI)) 943 return POLLERR; 944 return videobuf_poll_stream(file, &fh->vbiq, wait); 945 } 946 947 mutex_lock(&fh->vidq.vb_lock); 948 if (res_check(fh, RESOURCE_VIDEO)) { 949 /* streaming capture */ 950 if (list_empty(&fh->vidq.stream)) 951 goto done; 952 buf = list_entry(fh->vidq.stream.next, 953 struct cx23885_buffer, vb.stream); 954 } else { 955 /* read() capture */ 956 buf = (struct cx23885_buffer *)fh->vidq.read_buf; 957 if (NULL == buf) 958 goto done; 959 } 960 poll_wait(file, &buf->vb.done, wait); 961 if (buf->vb.state == VIDEOBUF_DONE || 962 buf->vb.state == VIDEOBUF_ERROR) 963 rc = POLLIN|POLLRDNORM; 964 else 965 rc = 0; 966 done: 967 mutex_unlock(&fh->vidq.vb_lock); 968 return rc; 969 } 970 971 static int video_release(struct file *file) 972 { 973 struct cx23885_fh *fh = file->private_data; 974 struct cx23885_dev *dev = fh->dev; 975 976 /* turn off overlay */ 977 if (res_check(fh, RESOURCE_OVERLAY)) { 978 /* FIXME */ 979 res_free(dev, fh, RESOURCE_OVERLAY); 980 } 981 982 /* stop video capture */ 983 if (res_check(fh, RESOURCE_VIDEO)) { 984 videobuf_queue_cancel(&fh->vidq); 985 res_free(dev, fh, RESOURCE_VIDEO); 986 } 987 if (fh->vidq.read_buf) { 988 buffer_release(&fh->vidq, fh->vidq.read_buf); 989 kfree(fh->vidq.read_buf); 990 } 991 992 /* stop vbi capture */ 993 if (res_check(fh, RESOURCE_VBI)) { 994 if (fh->vbiq.streaming) 995 videobuf_streamoff(&fh->vbiq); 996 if (fh->vbiq.reading) 997 videobuf_read_stop(&fh->vbiq); 998 res_free(dev, fh, RESOURCE_VBI); 999 } 1000 1001 videobuf_mmap_free(&fh->vidq); 1002 videobuf_mmap_free(&fh->vbiq); 1003 1004 file->private_data = NULL; 1005 kfree(fh); 1006 1007 /* We are not putting the tuner to sleep here on exit, because 1008 * we want to use the mpeg encoder in another session to capture 1009 * tuner video. Closing this will result in no video to the encoder. 1010 */ 1011 1012 return 0; 1013 } 1014 1015 static int video_mmap(struct file *file, struct vm_area_struct *vma) 1016 { 1017 struct cx23885_fh *fh = file->private_data; 1018 1019 return videobuf_mmap_mapper(get_queue(fh), vma); 1020 } 1021 1022 /* ------------------------------------------------------------------ */ 1023 /* VIDEO CTRL IOCTLS */ 1024 1025 int cx23885_get_control(struct cx23885_dev *dev, 1026 struct v4l2_control *ctl) 1027 { 1028 dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__); 1029 call_all(dev, core, g_ctrl, ctl); 1030 return 0; 1031 } 1032 1033 int cx23885_set_control(struct cx23885_dev *dev, 1034 struct v4l2_control *ctl) 1035 { 1036 dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)\n", __func__); 1037 call_all(dev, core, s_ctrl, ctl); 1038 1039 return 0; 1040 } 1041 1042 static void init_controls(struct cx23885_dev *dev) 1043 { 1044 struct v4l2_control ctrl; 1045 int i; 1046 1047 for (i = 0; i < CX23885_CTLS; i++) { 1048 ctrl.id = cx23885_ctls[i].v.id; 1049 ctrl.value = cx23885_ctls[i].v.default_value; 1050 1051 cx23885_set_control(dev, &ctrl); 1052 } 1053 } 1054 1055 /* ------------------------------------------------------------------ */ 1056 /* VIDEO IOCTLS */ 1057 1058 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 1059 struct v4l2_format *f) 1060 { 1061 struct cx23885_fh *fh = priv; 1062 1063 f->fmt.pix.width = fh->width; 1064 f->fmt.pix.height = fh->height; 1065 f->fmt.pix.field = fh->vidq.field; 1066 f->fmt.pix.pixelformat = fh->fmt->fourcc; 1067 f->fmt.pix.bytesperline = 1068 (f->fmt.pix.width * fh->fmt->depth) >> 3; 1069 f->fmt.pix.sizeimage = 1070 f->fmt.pix.height * f->fmt.pix.bytesperline; 1071 1072 return 0; 1073 } 1074 1075 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 1076 struct v4l2_format *f) 1077 { 1078 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1079 struct cx23885_fmt *fmt; 1080 enum v4l2_field field; 1081 unsigned int maxw, maxh; 1082 1083 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1084 if (NULL == fmt) 1085 return -EINVAL; 1086 1087 field = f->fmt.pix.field; 1088 maxw = norm_maxw(dev->tvnorm); 1089 maxh = norm_maxh(dev->tvnorm); 1090 1091 if (V4L2_FIELD_ANY == field) { 1092 field = (f->fmt.pix.height > maxh/2) 1093 ? V4L2_FIELD_INTERLACED 1094 : V4L2_FIELD_BOTTOM; 1095 } 1096 1097 switch (field) { 1098 case V4L2_FIELD_TOP: 1099 case V4L2_FIELD_BOTTOM: 1100 maxh = maxh / 2; 1101 break; 1102 case V4L2_FIELD_INTERLACED: 1103 break; 1104 default: 1105 return -EINVAL; 1106 } 1107 1108 f->fmt.pix.field = field; 1109 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 1110 &f->fmt.pix.height, 32, maxh, 0, 0); 1111 f->fmt.pix.bytesperline = 1112 (f->fmt.pix.width * fmt->depth) >> 3; 1113 f->fmt.pix.sizeimage = 1114 f->fmt.pix.height * f->fmt.pix.bytesperline; 1115 1116 return 0; 1117 } 1118 1119 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 1120 struct v4l2_format *f) 1121 { 1122 struct cx23885_fh *fh = priv; 1123 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1124 struct v4l2_mbus_framefmt mbus_fmt; 1125 int err; 1126 1127 dprintk(2, "%s()\n", __func__); 1128 err = vidioc_try_fmt_vid_cap(file, priv, f); 1129 1130 if (0 != err) 1131 return err; 1132 fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 1133 fh->width = f->fmt.pix.width; 1134 fh->height = f->fmt.pix.height; 1135 fh->vidq.field = f->fmt.pix.field; 1136 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, 1137 fh->width, fh->height, fh->vidq.field); 1138 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); 1139 call_all(dev, video, s_mbus_fmt, &mbus_fmt); 1140 v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); 1141 return 0; 1142 } 1143 1144 static int vidioc_querycap(struct file *file, void *priv, 1145 struct v4l2_capability *cap) 1146 { 1147 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1148 1149 strcpy(cap->driver, "cx23885"); 1150 strlcpy(cap->card, cx23885_boards[dev->board].name, 1151 sizeof(cap->card)); 1152 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 1153 cap->capabilities = 1154 V4L2_CAP_VIDEO_CAPTURE | 1155 V4L2_CAP_READWRITE | 1156 V4L2_CAP_STREAMING | 1157 V4L2_CAP_VBI_CAPTURE; 1158 if (UNSET != dev->tuner_type) 1159 cap->capabilities |= V4L2_CAP_TUNER; 1160 return 0; 1161 } 1162 1163 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 1164 struct v4l2_fmtdesc *f) 1165 { 1166 if (unlikely(f->index >= ARRAY_SIZE(formats))) 1167 return -EINVAL; 1168 1169 strlcpy(f->description, formats[f->index].name, 1170 sizeof(f->description)); 1171 f->pixelformat = formats[f->index].fourcc; 1172 1173 return 0; 1174 } 1175 1176 static int vidioc_reqbufs(struct file *file, void *priv, 1177 struct v4l2_requestbuffers *p) 1178 { 1179 struct cx23885_fh *fh = priv; 1180 return videobuf_reqbufs(get_queue(fh), p); 1181 } 1182 1183 static int vidioc_querybuf(struct file *file, void *priv, 1184 struct v4l2_buffer *p) 1185 { 1186 struct cx23885_fh *fh = priv; 1187 return videobuf_querybuf(get_queue(fh), p); 1188 } 1189 1190 static int vidioc_qbuf(struct file *file, void *priv, 1191 struct v4l2_buffer *p) 1192 { 1193 struct cx23885_fh *fh = priv; 1194 return videobuf_qbuf(get_queue(fh), p); 1195 } 1196 1197 static int vidioc_dqbuf(struct file *file, void *priv, 1198 struct v4l2_buffer *p) 1199 { 1200 struct cx23885_fh *fh = priv; 1201 return videobuf_dqbuf(get_queue(fh), p, 1202 file->f_flags & O_NONBLOCK); 1203 } 1204 1205 static int vidioc_streamon(struct file *file, void *priv, 1206 enum v4l2_buf_type i) 1207 { 1208 struct cx23885_fh *fh = priv; 1209 struct cx23885_dev *dev = fh->dev; 1210 dprintk(1, "%s()\n", __func__); 1211 1212 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && 1213 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)) 1214 return -EINVAL; 1215 if (unlikely(i != fh->type)) 1216 return -EINVAL; 1217 1218 if (unlikely(!res_get(dev, fh, get_resource(fh)))) 1219 return -EBUSY; 1220 1221 /* Don't start VBI streaming unless vida streaming 1222 * has already started. 1223 */ 1224 if ((fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) && 1225 ((cx_read(VID_A_DMA_CTL) & 0x11) == 0)) 1226 return -EINVAL; 1227 1228 return videobuf_streamon(get_queue(fh)); 1229 } 1230 1231 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) 1232 { 1233 struct cx23885_fh *fh = priv; 1234 struct cx23885_dev *dev = fh->dev; 1235 int err, res; 1236 dprintk(1, "%s()\n", __func__); 1237 1238 if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && 1239 (fh->type != V4L2_BUF_TYPE_VBI_CAPTURE)) 1240 return -EINVAL; 1241 if (i != fh->type) 1242 return -EINVAL; 1243 1244 res = get_resource(fh); 1245 err = videobuf_streamoff(get_queue(fh)); 1246 if (err < 0) 1247 return err; 1248 res_free(dev, fh, res); 1249 return 0; 1250 } 1251 1252 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) 1253 { 1254 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1255 dprintk(1, "%s()\n", __func__); 1256 1257 *id = dev->tvnorm; 1258 return 0; 1259 } 1260 1261 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) 1262 { 1263 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1264 dprintk(1, "%s()\n", __func__); 1265 1266 mutex_lock(&dev->lock); 1267 cx23885_set_tvnorm(dev, tvnorms); 1268 mutex_unlock(&dev->lock); 1269 1270 return 0; 1271 } 1272 1273 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) 1274 { 1275 static const char *iname[] = { 1276 [CX23885_VMUX_COMPOSITE1] = "Composite1", 1277 [CX23885_VMUX_COMPOSITE2] = "Composite2", 1278 [CX23885_VMUX_COMPOSITE3] = "Composite3", 1279 [CX23885_VMUX_COMPOSITE4] = "Composite4", 1280 [CX23885_VMUX_SVIDEO] = "S-Video", 1281 [CX23885_VMUX_COMPONENT] = "Component", 1282 [CX23885_VMUX_TELEVISION] = "Television", 1283 [CX23885_VMUX_CABLE] = "Cable TV", 1284 [CX23885_VMUX_DVB] = "DVB", 1285 [CX23885_VMUX_DEBUG] = "for debug only", 1286 }; 1287 unsigned int n; 1288 dprintk(1, "%s()\n", __func__); 1289 1290 n = i->index; 1291 if (n >= MAX_CX23885_INPUT) 1292 return -EINVAL; 1293 1294 if (0 == INPUT(n)->type) 1295 return -EINVAL; 1296 1297 i->index = n; 1298 i->type = V4L2_INPUT_TYPE_CAMERA; 1299 strcpy(i->name, iname[INPUT(n)->type]); 1300 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || 1301 (CX23885_VMUX_CABLE == INPUT(n)->type)) { 1302 i->type = V4L2_INPUT_TYPE_TUNER; 1303 i->std = CX23885_NORMS; 1304 } 1305 1306 /* Two selectable audio inputs for non-tv inputs */ 1307 if (INPUT(n)->type != CX23885_VMUX_TELEVISION) 1308 i->audioset = 0x3; 1309 1310 if (dev->input == n) { 1311 /* enum'd input matches our configured input. 1312 * Ask the video decoder to process the call 1313 * and give it an oppertunity to update the 1314 * status field. 1315 */ 1316 call_all(dev, video, g_input_status, &i->status); 1317 } 1318 1319 return 0; 1320 } 1321 1322 static int vidioc_enum_input(struct file *file, void *priv, 1323 struct v4l2_input *i) 1324 { 1325 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1326 dprintk(1, "%s()\n", __func__); 1327 return cx23885_enum_input(dev, i); 1328 } 1329 1330 int cx23885_get_input(struct file *file, void *priv, unsigned int *i) 1331 { 1332 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1333 1334 *i = dev->input; 1335 dprintk(1, "%s() returns %d\n", __func__, *i); 1336 return 0; 1337 } 1338 1339 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 1340 { 1341 return cx23885_get_input(file, priv, i); 1342 } 1343 1344 int cx23885_set_input(struct file *file, void *priv, unsigned int i) 1345 { 1346 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1347 1348 dprintk(1, "%s(%d)\n", __func__, i); 1349 1350 if (i >= MAX_CX23885_INPUT) { 1351 dprintk(1, "%s() -EINVAL\n", __func__); 1352 return -EINVAL; 1353 } 1354 1355 if (INPUT(i)->type == 0) 1356 return -EINVAL; 1357 1358 mutex_lock(&dev->lock); 1359 cx23885_video_mux(dev, i); 1360 1361 /* By default establish the default audio input for the card also */ 1362 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */ 1363 cx23885_audio_mux(dev, i); 1364 mutex_unlock(&dev->lock); 1365 return 0; 1366 } 1367 1368 static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 1369 { 1370 return cx23885_set_input(file, priv, i); 1371 } 1372 1373 static int vidioc_log_status(struct file *file, void *priv) 1374 { 1375 struct cx23885_fh *fh = priv; 1376 struct cx23885_dev *dev = fh->dev; 1377 1378 printk(KERN_INFO 1379 "%s/0: ============ START LOG STATUS ============\n", 1380 dev->name); 1381 call_all(dev, core, log_status); 1382 printk(KERN_INFO 1383 "%s/0: ============= END LOG STATUS =============\n", 1384 dev->name); 1385 return 0; 1386 } 1387 1388 static int cx23885_query_audinput(struct file *file, void *priv, 1389 struct v4l2_audio *i) 1390 { 1391 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1392 static const char *iname[] = { 1393 [0] = "Baseband L/R 1", 1394 [1] = "Baseband L/R 2", 1395 }; 1396 unsigned int n; 1397 dprintk(1, "%s()\n", __func__); 1398 1399 n = i->index; 1400 if (n >= 2) 1401 return -EINVAL; 1402 1403 memset(i, 0, sizeof(*i)); 1404 i->index = n; 1405 strcpy(i->name, iname[n]); 1406 i->capability = V4L2_AUDCAP_STEREO; 1407 i->mode = V4L2_AUDMODE_AVL; 1408 return 0; 1409 1410 } 1411 1412 static int vidioc_enum_audinput(struct file *file, void *priv, 1413 struct v4l2_audio *i) 1414 { 1415 return cx23885_query_audinput(file, priv, i); 1416 } 1417 1418 static int vidioc_g_audinput(struct file *file, void *priv, 1419 struct v4l2_audio *i) 1420 { 1421 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1422 1423 i->index = dev->audinput; 1424 dprintk(1, "%s(input=%d)\n", __func__, i->index); 1425 1426 return cx23885_query_audinput(file, priv, i); 1427 } 1428 1429 static int vidioc_s_audinput(struct file *file, void *priv, 1430 const struct v4l2_audio *i) 1431 { 1432 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1433 if (i->index >= 2) 1434 return -EINVAL; 1435 1436 dprintk(1, "%s(%d)\n", __func__, i->index); 1437 1438 dev->audinput = i->index; 1439 1440 /* Skip the audio defaults from the cards struct, caller wants 1441 * directly touch the audio mux hardware. */ 1442 cx23885_flatiron_mux(dev, dev->audinput + 1); 1443 return 0; 1444 } 1445 1446 static int vidioc_queryctrl(struct file *file, void *priv, 1447 struct v4l2_queryctrl *qctrl) 1448 { 1449 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); 1450 if (unlikely(qctrl->id == 0)) 1451 return -EINVAL; 1452 return cx23885_ctrl_query(qctrl); 1453 } 1454 1455 static int vidioc_g_ctrl(struct file *file, void *priv, 1456 struct v4l2_control *ctl) 1457 { 1458 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1459 1460 return cx23885_get_control(dev, ctl); 1461 } 1462 1463 static int vidioc_s_ctrl(struct file *file, void *priv, 1464 struct v4l2_control *ctl) 1465 { 1466 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1467 1468 return cx23885_set_control(dev, ctl); 1469 } 1470 1471 static int vidioc_g_tuner(struct file *file, void *priv, 1472 struct v4l2_tuner *t) 1473 { 1474 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1475 1476 if (unlikely(UNSET == dev->tuner_type)) 1477 return -EINVAL; 1478 if (0 != t->index) 1479 return -EINVAL; 1480 1481 strcpy(t->name, "Television"); 1482 1483 call_all(dev, tuner, g_tuner, t); 1484 return 0; 1485 } 1486 1487 static int vidioc_s_tuner(struct file *file, void *priv, 1488 const struct v4l2_tuner *t) 1489 { 1490 struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; 1491 1492 if (UNSET == dev->tuner_type) 1493 return -EINVAL; 1494 if (0 != t->index) 1495 return -EINVAL; 1496 /* Update the A/V core */ 1497 call_all(dev, tuner, s_tuner, t); 1498 1499 return 0; 1500 } 1501 1502 static int vidioc_g_frequency(struct file *file, void *priv, 1503 struct v4l2_frequency *f) 1504 { 1505 struct cx23885_fh *fh = priv; 1506 struct cx23885_dev *dev = fh->dev; 1507 1508 if (unlikely(UNSET == dev->tuner_type)) 1509 return -EINVAL; 1510 1511 /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */ 1512 f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; 1513 f->frequency = dev->freq; 1514 1515 call_all(dev, tuner, g_frequency, f); 1516 1517 return 0; 1518 } 1519 1520 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f) 1521 { 1522 struct v4l2_control ctrl; 1523 1524 if (unlikely(UNSET == dev->tuner_type)) 1525 return -EINVAL; 1526 if (unlikely(f->tuner != 0)) 1527 return -EINVAL; 1528 1529 mutex_lock(&dev->lock); 1530 dev->freq = f->frequency; 1531 1532 /* I need to mute audio here */ 1533 ctrl.id = V4L2_CID_AUDIO_MUTE; 1534 ctrl.value = 1; 1535 cx23885_set_control(dev, &ctrl); 1536 1537 call_all(dev, tuner, s_frequency, f); 1538 1539 /* When changing channels it is required to reset TVAUDIO */ 1540 msleep(100); 1541 1542 /* I need to unmute audio here */ 1543 ctrl.value = 0; 1544 cx23885_set_control(dev, &ctrl); 1545 1546 mutex_unlock(&dev->lock); 1547 1548 return 0; 1549 } 1550 1551 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev, 1552 const struct v4l2_frequency *f) 1553 { 1554 struct v4l2_control ctrl; 1555 struct videobuf_dvb_frontend *vfe; 1556 struct dvb_frontend *fe; 1557 1558 struct analog_parameters params = { 1559 .mode = V4L2_TUNER_ANALOG_TV, 1560 .audmode = V4L2_TUNER_MODE_STEREO, 1561 .std = dev->tvnorm, 1562 .frequency = f->frequency 1563 }; 1564 1565 mutex_lock(&dev->lock); 1566 dev->freq = f->frequency; 1567 1568 /* I need to mute audio here */ 1569 ctrl.id = V4L2_CID_AUDIO_MUTE; 1570 ctrl.value = 1; 1571 cx23885_set_control(dev, &ctrl); 1572 1573 /* If HVR1850 */ 1574 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__, 1575 params.frequency, f->tuner, params.std); 1576 1577 vfe = videobuf_dvb_get_frontend(&dev->ts2.frontends, 1); 1578 if (!vfe) { 1579 mutex_unlock(&dev->lock); 1580 return -EINVAL; 1581 } 1582 1583 fe = vfe->dvb.frontend; 1584 1585 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 1586 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 1587 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111)) 1588 fe = &dev->ts1.analog_fe; 1589 1590 if (fe && fe->ops.tuner_ops.set_analog_params) { 1591 call_all(dev, core, s_std, dev->tvnorm); 1592 fe->ops.tuner_ops.set_analog_params(fe, ¶ms); 1593 } 1594 else 1595 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__); 1596 1597 /* When changing channels it is required to reset TVAUDIO */ 1598 msleep(100); 1599 1600 /* I need to unmute audio here */ 1601 ctrl.value = 0; 1602 cx23885_set_control(dev, &ctrl); 1603 1604 mutex_unlock(&dev->lock); 1605 1606 return 0; 1607 } 1608 1609 int cx23885_set_frequency(struct file *file, void *priv, 1610 const struct v4l2_frequency *f) 1611 { 1612 struct cx23885_fh *fh = priv; 1613 struct cx23885_dev *dev = fh->dev; 1614 int ret; 1615 1616 switch (dev->board) { 1617 case CX23885_BOARD_HAUPPAUGE_HVR1255: 1618 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: 1619 case CX23885_BOARD_HAUPPAUGE_HVR1850: 1620 ret = cx23885_set_freq_via_ops(dev, f); 1621 break; 1622 default: 1623 ret = cx23885_set_freq(dev, f); 1624 } 1625 1626 return ret; 1627 } 1628 1629 static int vidioc_s_frequency(struct file *file, void *priv, 1630 const struct v4l2_frequency *f) 1631 { 1632 return cx23885_set_frequency(file, priv, f); 1633 } 1634 1635 /* ----------------------------------------------------------- */ 1636 1637 static void cx23885_vid_timeout(unsigned long data) 1638 { 1639 struct cx23885_dev *dev = (struct cx23885_dev *)data; 1640 struct cx23885_dmaqueue *q = &dev->vidq; 1641 struct cx23885_buffer *buf; 1642 unsigned long flags; 1643 1644 spin_lock_irqsave(&dev->slock, flags); 1645 while (!list_empty(&q->active)) { 1646 buf = list_entry(q->active.next, 1647 struct cx23885_buffer, vb.queue); 1648 list_del(&buf->vb.queue); 1649 buf->vb.state = VIDEOBUF_ERROR; 1650 wake_up(&buf->vb.done); 1651 printk(KERN_ERR "%s: [%p/%d] timeout - dma=0x%08lx\n", 1652 dev->name, buf, buf->vb.i, 1653 (unsigned long)buf->risc.dma); 1654 } 1655 cx23885_restart_video_queue(dev, q); 1656 spin_unlock_irqrestore(&dev->slock, flags); 1657 } 1658 1659 int cx23885_video_irq(struct cx23885_dev *dev, u32 status) 1660 { 1661 u32 mask, count; 1662 int handled = 0; 1663 1664 mask = cx_read(VID_A_INT_MSK); 1665 if (0 == (status & mask)) 1666 return handled; 1667 1668 cx_write(VID_A_INT_STAT, status); 1669 1670 /* risc op code error, fifo overflow or line sync detection error */ 1671 if ((status & VID_BC_MSK_OPC_ERR) || 1672 (status & VID_BC_MSK_SYNC) || 1673 (status & VID_BC_MSK_OF)) { 1674 1675 if (status & VID_BC_MSK_OPC_ERR) { 1676 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", 1677 VID_BC_MSK_OPC_ERR); 1678 printk(KERN_WARNING "%s: video risc op code error\n", 1679 dev->name); 1680 cx23885_sram_channel_dump(dev, 1681 &dev->sram_channels[SRAM_CH01]); 1682 } 1683 1684 if (status & VID_BC_MSK_SYNC) 1685 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) " 1686 "video lines miss-match\n", 1687 VID_BC_MSK_SYNC); 1688 1689 if (status & VID_BC_MSK_OF) 1690 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n", 1691 VID_BC_MSK_OF); 1692 1693 } 1694 1695 /* Video */ 1696 if (status & VID_BC_MSK_RISCI1) { 1697 spin_lock(&dev->slock); 1698 count = cx_read(VID_A_GPCNT); 1699 cx23885_video_wakeup(dev, &dev->vidq, count); 1700 spin_unlock(&dev->slock); 1701 handled++; 1702 } 1703 if (status & VID_BC_MSK_RISCI2) { 1704 dprintk(2, "stopper video\n"); 1705 spin_lock(&dev->slock); 1706 cx23885_restart_video_queue(dev, &dev->vidq); 1707 spin_unlock(&dev->slock); 1708 handled++; 1709 } 1710 1711 /* Allow the VBI framework to process it's payload */ 1712 handled += cx23885_vbi_irq(dev, status); 1713 1714 return handled; 1715 } 1716 1717 /* ----------------------------------------------------------- */ 1718 /* exported stuff */ 1719 1720 static const struct v4l2_file_operations video_fops = { 1721 .owner = THIS_MODULE, 1722 .open = video_open, 1723 .release = video_release, 1724 .read = video_read, 1725 .poll = video_poll, 1726 .mmap = video_mmap, 1727 .ioctl = video_ioctl2, 1728 }; 1729 1730 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1731 .vidioc_querycap = vidioc_querycap, 1732 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1733 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1734 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1735 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1736 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, 1737 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, 1738 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, 1739 .vidioc_reqbufs = vidioc_reqbufs, 1740 .vidioc_querybuf = vidioc_querybuf, 1741 .vidioc_qbuf = vidioc_qbuf, 1742 .vidioc_dqbuf = vidioc_dqbuf, 1743 .vidioc_s_std = vidioc_s_std, 1744 .vidioc_g_std = vidioc_g_std, 1745 .vidioc_enum_input = vidioc_enum_input, 1746 .vidioc_g_input = vidioc_g_input, 1747 .vidioc_s_input = vidioc_s_input, 1748 .vidioc_log_status = vidioc_log_status, 1749 .vidioc_queryctrl = vidioc_queryctrl, 1750 .vidioc_g_ctrl = vidioc_g_ctrl, 1751 .vidioc_s_ctrl = vidioc_s_ctrl, 1752 .vidioc_streamon = vidioc_streamon, 1753 .vidioc_streamoff = vidioc_streamoff, 1754 .vidioc_g_tuner = vidioc_g_tuner, 1755 .vidioc_s_tuner = vidioc_s_tuner, 1756 .vidioc_g_frequency = vidioc_g_frequency, 1757 .vidioc_s_frequency = vidioc_s_frequency, 1758 #ifdef CONFIG_VIDEO_ADV_DEBUG 1759 .vidioc_g_chip_info = cx23885_g_chip_info, 1760 .vidioc_g_register = cx23885_g_register, 1761 .vidioc_s_register = cx23885_s_register, 1762 #endif 1763 .vidioc_enumaudio = vidioc_enum_audinput, 1764 .vidioc_g_audio = vidioc_g_audinput, 1765 .vidioc_s_audio = vidioc_s_audinput, 1766 }; 1767 1768 static struct video_device cx23885_vbi_template; 1769 static struct video_device cx23885_video_template = { 1770 .name = "cx23885-video", 1771 .fops = &video_fops, 1772 .ioctl_ops = &video_ioctl_ops, 1773 .tvnorms = CX23885_NORMS, 1774 }; 1775 1776 static const struct v4l2_file_operations radio_fops = { 1777 .owner = THIS_MODULE, 1778 .open = video_open, 1779 .release = video_release, 1780 .ioctl = video_ioctl2, 1781 }; 1782 1783 1784 void cx23885_video_unregister(struct cx23885_dev *dev) 1785 { 1786 dprintk(1, "%s()\n", __func__); 1787 cx23885_irq_remove(dev, 0x01); 1788 1789 if (dev->vbi_dev) { 1790 if (video_is_registered(dev->vbi_dev)) 1791 video_unregister_device(dev->vbi_dev); 1792 else 1793 video_device_release(dev->vbi_dev); 1794 dev->vbi_dev = NULL; 1795 btcx_riscmem_free(dev->pci, &dev->vbiq.stopper); 1796 } 1797 if (dev->video_dev) { 1798 if (video_is_registered(dev->video_dev)) 1799 video_unregister_device(dev->video_dev); 1800 else 1801 video_device_release(dev->video_dev); 1802 dev->video_dev = NULL; 1803 1804 btcx_riscmem_free(dev->pci, &dev->vidq.stopper); 1805 } 1806 1807 if (dev->audio_dev) 1808 cx23885_audio_unregister(dev); 1809 } 1810 1811 int cx23885_video_register(struct cx23885_dev *dev) 1812 { 1813 int err; 1814 1815 dprintk(1, "%s()\n", __func__); 1816 spin_lock_init(&dev->slock); 1817 1818 /* Initialize VBI template */ 1819 cx23885_vbi_template = cx23885_video_template; 1820 strcpy(cx23885_vbi_template.name, "cx23885-vbi"); 1821 1822 dev->tvnorm = V4L2_STD_NTSC_M; 1823 1824 /* init video dma queues */ 1825 INIT_LIST_HEAD(&dev->vidq.active); 1826 INIT_LIST_HEAD(&dev->vidq.queued); 1827 dev->vidq.timeout.function = cx23885_vid_timeout; 1828 dev->vidq.timeout.data = (unsigned long)dev; 1829 init_timer(&dev->vidq.timeout); 1830 cx23885_risc_stopper(dev->pci, &dev->vidq.stopper, 1831 VID_A_DMA_CTL, 0x11, 0x00); 1832 1833 /* init vbi dma queues */ 1834 INIT_LIST_HEAD(&dev->vbiq.active); 1835 INIT_LIST_HEAD(&dev->vbiq.queued); 1836 dev->vbiq.timeout.function = cx23885_vbi_timeout; 1837 dev->vbiq.timeout.data = (unsigned long)dev; 1838 init_timer(&dev->vbiq.timeout); 1839 cx23885_risc_stopper(dev->pci, &dev->vbiq.stopper, 1840 VID_A_DMA_CTL, 0x22, 0x00); 1841 1842 cx23885_irq_add_enable(dev, 0x01); 1843 1844 if ((TUNER_ABSENT != dev->tuner_type) && 1845 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { 1846 struct v4l2_subdev *sd = NULL; 1847 1848 if (dev->tuner_addr) 1849 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1850 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1851 "tuner", dev->tuner_addr, NULL); 1852 else 1853 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1854 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1855 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); 1856 if (sd) { 1857 struct tuner_setup tun_setup; 1858 1859 memset(&tun_setup, 0, sizeof(tun_setup)); 1860 tun_setup.mode_mask = T_ANALOG_TV; 1861 tun_setup.type = dev->tuner_type; 1862 tun_setup.addr = v4l2_i2c_subdev_addr(sd); 1863 tun_setup.tuner_callback = cx23885_tuner_callback; 1864 1865 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); 1866 1867 if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) { 1868 struct xc2028_ctrl ctrl = { 1869 .fname = XC2028_DEFAULT_FIRMWARE, 1870 .max_len = 64 1871 }; 1872 struct v4l2_priv_tun_config cfg = { 1873 .tuner = dev->tuner_type, 1874 .priv = &ctrl 1875 }; 1876 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1877 } 1878 1879 if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) { 1880 struct xc2028_ctrl ctrl = { 1881 .fname = "xc3028L-v36.fw", 1882 .max_len = 64 1883 }; 1884 struct v4l2_priv_tun_config cfg = { 1885 .tuner = dev->tuner_type, 1886 .priv = &ctrl 1887 }; 1888 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1889 } 1890 } 1891 } 1892 1893 /* register Video device */ 1894 dev->video_dev = cx23885_vdev_init(dev, dev->pci, 1895 &cx23885_video_template, "video"); 1896 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, 1897 video_nr[dev->nr]); 1898 if (err < 0) { 1899 printk(KERN_INFO "%s: can't register video device\n", 1900 dev->name); 1901 goto fail_unreg; 1902 } 1903 printk(KERN_INFO "%s: registered device %s [v4l2]\n", 1904 dev->name, video_device_node_name(dev->video_dev)); 1905 1906 /* register VBI device */ 1907 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, 1908 &cx23885_vbi_template, "vbi"); 1909 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 1910 vbi_nr[dev->nr]); 1911 if (err < 0) { 1912 printk(KERN_INFO "%s: can't register vbi device\n", 1913 dev->name); 1914 goto fail_unreg; 1915 } 1916 printk(KERN_INFO "%s: registered device %s\n", 1917 dev->name, video_device_node_name(dev->vbi_dev)); 1918 1919 /* Register ALSA audio device */ 1920 dev->audio_dev = cx23885_audio_register(dev); 1921 1922 /* initial device configuration */ 1923 mutex_lock(&dev->lock); 1924 cx23885_set_tvnorm(dev, dev->tvnorm); 1925 init_controls(dev); 1926 cx23885_video_mux(dev, 0); 1927 cx23885_audio_mux(dev, 0); 1928 mutex_unlock(&dev->lock); 1929 1930 return 0; 1931 1932 fail_unreg: 1933 cx23885_video_unregister(dev); 1934 return err; 1935 } 1936 1937