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 18 #include <linux/init.h> 19 #include <linux/list.h> 20 #include <linux/module.h> 21 #include <linux/moduleparam.h> 22 #include <linux/kmod.h> 23 #include <linux/kernel.h> 24 #include <linux/slab.h> 25 #include <linux/interrupt.h> 26 #include <linux/delay.h> 27 #include <linux/kthread.h> 28 #include <asm/div64.h> 29 30 #include "cx23885.h" 31 #include "cx23885-video.h" 32 #include <media/v4l2-common.h> 33 #include <media/v4l2-ioctl.h> 34 #include <media/v4l2-event.h> 35 #include "cx23885-ioctl.h" 36 #include "tuner-xc2028.h" 37 38 #include <media/cx25840.h> 39 40 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards"); 41 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); 42 MODULE_LICENSE("GPL"); 43 44 /* ------------------------------------------------------------------ */ 45 46 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 47 static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; 48 49 module_param_array(video_nr, int, NULL, 0444); 50 module_param_array(vbi_nr, int, NULL, 0444); 51 52 MODULE_PARM_DESC(video_nr, "video device numbers"); 53 MODULE_PARM_DESC(vbi_nr, "vbi device numbers"); 54 55 static unsigned int video_debug; 56 module_param(video_debug, int, 0644); 57 MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); 58 59 static unsigned int irq_debug; 60 module_param(irq_debug, int, 0644); 61 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); 62 63 static unsigned int vid_limit = 16; 64 module_param(vid_limit, int, 0644); 65 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); 66 67 #define dprintk(level, fmt, arg...)\ 68 do { if (video_debug >= level)\ 69 printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\ 70 } while (0) 71 72 /* ------------------------------------------------------------------- */ 73 /* static data */ 74 75 #define FORMAT_FLAGS_PACKED 0x01 76 static struct cx23885_fmt formats[] = { 77 { 78 .name = "4:2:2, packed, YUYV", 79 .fourcc = V4L2_PIX_FMT_YUYV, 80 .depth = 16, 81 .flags = FORMAT_FLAGS_PACKED, 82 } 83 }; 84 85 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc) 86 { 87 unsigned int i; 88 89 for (i = 0; i < ARRAY_SIZE(formats); i++) 90 if (formats[i].fourcc == fourcc) 91 return formats+i; 92 return NULL; 93 } 94 95 /* ------------------------------------------------------------------- */ 96 97 void cx23885_video_wakeup(struct cx23885_dev *dev, 98 struct cx23885_dmaqueue *q, u32 count) 99 { 100 struct cx23885_buffer *buf; 101 102 if (list_empty(&q->active)) 103 return; 104 buf = list_entry(q->active.next, 105 struct cx23885_buffer, queue); 106 107 buf->vb.v4l2_buf.sequence = q->count++; 108 v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp); 109 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.v4l2_buf.index, 110 count, q->count); 111 list_del(&buf->queue); 112 vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE); 113 } 114 115 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm) 116 { 117 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", 118 __func__, 119 (unsigned int)norm, 120 v4l2_norm_to_name(norm)); 121 122 if (dev->tvnorm != norm) { 123 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) || 124 vb2_is_busy(&dev->vb2_mpegq)) 125 return -EBUSY; 126 } 127 128 dev->tvnorm = norm; 129 130 call_all(dev, video, s_std, norm); 131 132 return 0; 133 } 134 135 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev, 136 struct pci_dev *pci, 137 struct video_device *template, 138 char *type) 139 { 140 struct video_device *vfd; 141 dprintk(1, "%s()\n", __func__); 142 143 vfd = video_device_alloc(); 144 if (NULL == vfd) 145 return NULL; 146 *vfd = *template; 147 vfd->v4l2_dev = &dev->v4l2_dev; 148 vfd->release = video_device_release; 149 vfd->lock = &dev->lock; 150 snprintf(vfd->name, sizeof(vfd->name), "%s (%s)", 151 cx23885_boards[dev->board].name, type); 152 video_set_drvdata(vfd, dev); 153 return vfd; 154 } 155 156 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data) 157 { 158 /* 8 bit registers, 8 bit values */ 159 u8 buf[] = { reg, data }; 160 161 struct i2c_msg msg = { .addr = 0x98 >> 1, 162 .flags = 0, .buf = buf, .len = 2 }; 163 164 return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1); 165 } 166 167 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg) 168 { 169 /* 8 bit registers, 8 bit values */ 170 int ret; 171 u8 b0[] = { reg }; 172 u8 b1[] = { 0 }; 173 174 struct i2c_msg msg[] = { 175 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 }, 176 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 } 177 }; 178 179 ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2); 180 if (ret != 2) 181 printk(KERN_ERR "%s() error\n", __func__); 182 183 return b1[0]; 184 } 185 186 static void cx23885_flatiron_dump(struct cx23885_dev *dev) 187 { 188 int i; 189 dprintk(1, "Flatiron dump\n"); 190 for (i = 0; i < 0x24; i++) { 191 dprintk(1, "FI[%02x] = %02x\n", i, 192 cx23885_flatiron_read(dev, i)); 193 } 194 } 195 196 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input) 197 { 198 u8 val; 199 dprintk(1, "%s(input = %d)\n", __func__, input); 200 201 if (input == 1) 202 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL; 203 else if (input == 2) 204 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL; 205 else 206 return -EINVAL; 207 208 val |= 0x20; /* Enable clock to delta-sigma and dec filter */ 209 210 cx23885_flatiron_write(dev, CH_PWR_CTRL1, val); 211 212 /* Wake up */ 213 cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0); 214 215 if (video_debug) 216 cx23885_flatiron_dump(dev); 217 218 return 0; 219 } 220 221 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input) 222 { 223 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", 224 __func__, 225 input, INPUT(input)->vmux, 226 INPUT(input)->gpio0, INPUT(input)->gpio1, 227 INPUT(input)->gpio2, INPUT(input)->gpio3); 228 dev->input = input; 229 230 if (dev->board == CX23885_BOARD_MYGICA_X8506 || 231 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 || 232 dev->board == CX23885_BOARD_MYGICA_X8507) { 233 /* Select Analog TV */ 234 if (INPUT(input)->type == CX23885_VMUX_TELEVISION) 235 cx23885_gpio_clear(dev, GPIO_0); 236 } 237 238 /* Tell the internal A/V decoder */ 239 v4l2_subdev_call(dev->sd_cx25840, video, s_routing, 240 INPUT(input)->vmux, 0, 0); 241 242 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) || 243 (dev->board == CX23885_BOARD_MPX885) || 244 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) || 245 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) || 246 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 247 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) || 248 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 249 (dev->board == CX23885_BOARD_MYGICA_X8507) || 250 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R)) { 251 /* Configure audio routing */ 252 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing, 253 INPUT(input)->amux, 0, 0); 254 255 if (INPUT(input)->amux == CX25840_AUDIO7) 256 cx23885_flatiron_mux(dev, 1); 257 else if (INPUT(input)->amux == CX25840_AUDIO6) 258 cx23885_flatiron_mux(dev, 2); 259 } 260 261 return 0; 262 } 263 264 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input) 265 { 266 dprintk(1, "%s(input=%d)\n", __func__, input); 267 268 /* The baseband video core of the cx23885 has two audio inputs. 269 * LR1 and LR2. In almost every single case so far only HVR1xxx 270 * cards we've only ever supported LR1. Time to support LR2, 271 * which is available via the optional white breakout header on 272 * the board. 273 * We'll use a could of existing enums in the card struct to allow 274 * devs to specify which baseband input they need, or just default 275 * to what we've always used. 276 */ 277 if (INPUT(input)->amux == CX25840_AUDIO7) 278 cx23885_flatiron_mux(dev, 1); 279 else if (INPUT(input)->amux == CX25840_AUDIO6) 280 cx23885_flatiron_mux(dev, 2); 281 else { 282 /* Not specifically defined, assume the default. */ 283 cx23885_flatiron_mux(dev, 1); 284 } 285 286 return 0; 287 } 288 289 /* ------------------------------------------------------------------ */ 290 static int cx23885_start_video_dma(struct cx23885_dev *dev, 291 struct cx23885_dmaqueue *q, 292 struct cx23885_buffer *buf) 293 { 294 dprintk(1, "%s()\n", __func__); 295 296 /* Stop the dma/fifo before we tamper with it's risc programs */ 297 cx_clear(VID_A_DMA_CTL, 0x11); 298 299 /* setup fifo + format */ 300 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], 301 buf->bpl, buf->risc.dma); 302 303 /* reset counter */ 304 cx_write(VID_A_GPCNT_CTL, 3); 305 q->count = 0; 306 307 /* enable irq */ 308 cx23885_irq_add_enable(dev, 0x01); 309 cx_set(VID_A_INT_MSK, 0x000011); 310 311 /* start dma */ 312 cx_set(DEV_CNTRL2, (1<<5)); 313 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */ 314 315 return 0; 316 } 317 318 static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt, 319 unsigned int *num_buffers, unsigned int *num_planes, 320 unsigned int sizes[], void *alloc_ctxs[]) 321 { 322 struct cx23885_dev *dev = q->drv_priv; 323 324 *num_planes = 1; 325 sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3; 326 return 0; 327 } 328 329 static int buffer_prepare(struct vb2_buffer *vb) 330 { 331 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 332 struct cx23885_buffer *buf = 333 container_of(vb, struct cx23885_buffer, vb); 334 u32 line0_offset, line1_offset; 335 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 336 int field_tff; 337 int ret; 338 339 buf->bpl = (dev->width * dev->fmt->depth) >> 3; 340 341 if (vb2_plane_size(vb, 0) < dev->height * buf->bpl) 342 return -EINVAL; 343 vb2_set_plane_payload(vb, 0, dev->height * buf->bpl); 344 345 ret = dma_map_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE); 346 if (!ret) 347 return -EIO; 348 349 switch (dev->field) { 350 case V4L2_FIELD_TOP: 351 cx23885_risc_buffer(dev->pci, &buf->risc, 352 sgt->sgl, 0, UNSET, 353 buf->bpl, 0, dev->height); 354 break; 355 case V4L2_FIELD_BOTTOM: 356 cx23885_risc_buffer(dev->pci, &buf->risc, 357 sgt->sgl, UNSET, 0, 358 buf->bpl, 0, dev->height); 359 break; 360 case V4L2_FIELD_INTERLACED: 361 if (dev->tvnorm & V4L2_STD_525_60) 362 /* NTSC or */ 363 field_tff = 1; 364 else 365 field_tff = 0; 366 367 if (cx23885_boards[dev->board].force_bff) 368 /* PAL / SECAM OR 888 in NTSC MODE */ 369 field_tff = 0; 370 371 if (field_tff) { 372 /* cx25840 transmits NTSC bottom field first */ 373 dprintk(1, "%s() Creating TFF/NTSC risc\n", 374 __func__); 375 line0_offset = buf->bpl; 376 line1_offset = 0; 377 } else { 378 /* All other formats are top field first */ 379 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n", 380 __func__); 381 line0_offset = 0; 382 line1_offset = buf->bpl; 383 } 384 cx23885_risc_buffer(dev->pci, &buf->risc, 385 sgt->sgl, line0_offset, 386 line1_offset, 387 buf->bpl, buf->bpl, 388 dev->height >> 1); 389 break; 390 case V4L2_FIELD_SEQ_TB: 391 cx23885_risc_buffer(dev->pci, &buf->risc, 392 sgt->sgl, 393 0, buf->bpl * (dev->height >> 1), 394 buf->bpl, 0, 395 dev->height >> 1); 396 break; 397 case V4L2_FIELD_SEQ_BT: 398 cx23885_risc_buffer(dev->pci, &buf->risc, 399 sgt->sgl, 400 buf->bpl * (dev->height >> 1), 0, 401 buf->bpl, 0, 402 dev->height >> 1); 403 break; 404 default: 405 BUG(); 406 } 407 dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 408 buf, buf->vb.v4l2_buf.index, 409 dev->width, dev->height, dev->fmt->depth, dev->fmt->name, 410 (unsigned long)buf->risc.dma); 411 return 0; 412 } 413 414 static void buffer_finish(struct vb2_buffer *vb) 415 { 416 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 417 struct cx23885_buffer *buf = container_of(vb, 418 struct cx23885_buffer, vb); 419 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 420 421 cx23885_free_buffer(vb->vb2_queue->drv_priv, buf); 422 423 dma_unmap_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE); 424 } 425 426 /* 427 * The risc program for each buffer works as follows: it starts with a simple 428 * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the 429 * buffer follows and at the end we have a JUMP back to the start + 12 (skipping 430 * the initial JUMP). 431 * 432 * This is the risc program of the first buffer to be queued if the active list 433 * is empty and it just keeps DMAing this buffer without generating any 434 * interrupts. 435 * 436 * If a new buffer is added then the initial JUMP in the code for that buffer 437 * will generate an interrupt which signals that the previous buffer has been 438 * DMAed successfully and that it can be returned to userspace. 439 * 440 * It also sets the final jump of the previous buffer to the start of the new 441 * buffer, thus chaining the new buffer into the DMA chain. This is a single 442 * atomic u32 write, so there is no race condition. 443 * 444 * The end-result of all this that you only get an interrupt when a buffer 445 * is ready, so the control flow is very easy. 446 */ 447 static void buffer_queue(struct vb2_buffer *vb) 448 { 449 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 450 struct cx23885_buffer *buf = container_of(vb, 451 struct cx23885_buffer, vb); 452 struct cx23885_buffer *prev; 453 struct cx23885_dmaqueue *q = &dev->vidq; 454 unsigned long flags; 455 456 /* add jump to start */ 457 buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12); 458 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC); 459 buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12); 460 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 461 462 spin_lock_irqsave(&dev->slock, flags); 463 if (list_empty(&q->active)) { 464 list_add_tail(&buf->queue, &q->active); 465 dprintk(2, "[%p/%d] buffer_queue - first active\n", 466 buf, buf->vb.v4l2_buf.index); 467 } else { 468 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1); 469 prev = list_entry(q->active.prev, struct cx23885_buffer, 470 queue); 471 list_add_tail(&buf->queue, &q->active); 472 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 473 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 474 buf, buf->vb.v4l2_buf.index); 475 } 476 spin_unlock_irqrestore(&dev->slock, flags); 477 } 478 479 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count) 480 { 481 struct cx23885_dev *dev = q->drv_priv; 482 struct cx23885_dmaqueue *dmaq = &dev->vidq; 483 struct cx23885_buffer *buf = list_entry(dmaq->active.next, 484 struct cx23885_buffer, queue); 485 486 cx23885_start_video_dma(dev, dmaq, buf); 487 return 0; 488 } 489 490 static void cx23885_stop_streaming(struct vb2_queue *q) 491 { 492 struct cx23885_dev *dev = q->drv_priv; 493 struct cx23885_dmaqueue *dmaq = &dev->vidq; 494 unsigned long flags; 495 496 cx_clear(VID_A_DMA_CTL, 0x11); 497 spin_lock_irqsave(&dev->slock, flags); 498 while (!list_empty(&dmaq->active)) { 499 struct cx23885_buffer *buf = list_entry(dmaq->active.next, 500 struct cx23885_buffer, queue); 501 502 list_del(&buf->queue); 503 vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); 504 } 505 spin_unlock_irqrestore(&dev->slock, flags); 506 } 507 508 static struct vb2_ops cx23885_video_qops = { 509 .queue_setup = queue_setup, 510 .buf_prepare = buffer_prepare, 511 .buf_finish = buffer_finish, 512 .buf_queue = buffer_queue, 513 .wait_prepare = vb2_ops_wait_prepare, 514 .wait_finish = vb2_ops_wait_finish, 515 .start_streaming = cx23885_start_streaming, 516 .stop_streaming = cx23885_stop_streaming, 517 }; 518 519 /* ------------------------------------------------------------------ */ 520 /* VIDEO IOCTLS */ 521 522 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 523 struct v4l2_format *f) 524 { 525 struct cx23885_dev *dev = video_drvdata(file); 526 527 f->fmt.pix.width = dev->width; 528 f->fmt.pix.height = dev->height; 529 f->fmt.pix.field = dev->field; 530 f->fmt.pix.pixelformat = dev->fmt->fourcc; 531 f->fmt.pix.bytesperline = 532 (f->fmt.pix.width * dev->fmt->depth) >> 3; 533 f->fmt.pix.sizeimage = 534 f->fmt.pix.height * f->fmt.pix.bytesperline; 535 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 536 537 return 0; 538 } 539 540 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 541 struct v4l2_format *f) 542 { 543 struct cx23885_dev *dev = video_drvdata(file); 544 struct cx23885_fmt *fmt; 545 enum v4l2_field field; 546 unsigned int maxw, maxh; 547 548 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 549 if (NULL == fmt) 550 return -EINVAL; 551 552 field = f->fmt.pix.field; 553 maxw = norm_maxw(dev->tvnorm); 554 maxh = norm_maxh(dev->tvnorm); 555 556 if (V4L2_FIELD_ANY == field) { 557 field = (f->fmt.pix.height > maxh/2) 558 ? V4L2_FIELD_INTERLACED 559 : V4L2_FIELD_BOTTOM; 560 } 561 562 switch (field) { 563 case V4L2_FIELD_TOP: 564 case V4L2_FIELD_BOTTOM: 565 maxh = maxh / 2; 566 break; 567 case V4L2_FIELD_INTERLACED: 568 case V4L2_FIELD_SEQ_TB: 569 case V4L2_FIELD_SEQ_BT: 570 break; 571 default: 572 field = V4L2_FIELD_INTERLACED; 573 break; 574 } 575 576 f->fmt.pix.field = field; 577 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 578 &f->fmt.pix.height, 32, maxh, 0, 0); 579 f->fmt.pix.bytesperline = 580 (f->fmt.pix.width * fmt->depth) >> 3; 581 f->fmt.pix.sizeimage = 582 f->fmt.pix.height * f->fmt.pix.bytesperline; 583 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 584 585 return 0; 586 } 587 588 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 589 struct v4l2_format *f) 590 { 591 struct cx23885_dev *dev = video_drvdata(file); 592 struct v4l2_mbus_framefmt mbus_fmt; 593 int err; 594 595 dprintk(2, "%s()\n", __func__); 596 err = vidioc_try_fmt_vid_cap(file, priv, f); 597 598 if (0 != err) 599 return err; 600 601 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) || 602 vb2_is_busy(&dev->vb2_mpegq)) 603 return -EBUSY; 604 605 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 606 dev->width = f->fmt.pix.width; 607 dev->height = f->fmt.pix.height; 608 dev->field = f->fmt.pix.field; 609 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, 610 dev->width, dev->height, dev->field); 611 v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); 612 call_all(dev, video, s_mbus_fmt, &mbus_fmt); 613 v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt); 614 /* s_mbus_fmt overwrites f->fmt.pix.field, restore it */ 615 f->fmt.pix.field = dev->field; 616 return 0; 617 } 618 619 static int vidioc_querycap(struct file *file, void *priv, 620 struct v4l2_capability *cap) 621 { 622 struct cx23885_dev *dev = video_drvdata(file); 623 struct video_device *vdev = video_devdata(file); 624 625 strcpy(cap->driver, "cx23885"); 626 strlcpy(cap->card, cx23885_boards[dev->board].name, 627 sizeof(cap->card)); 628 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 629 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO; 630 if (dev->tuner_type != TUNER_ABSENT) 631 cap->device_caps |= V4L2_CAP_TUNER; 632 if (vdev->vfl_type == VFL_TYPE_VBI) 633 cap->device_caps |= V4L2_CAP_VBI_CAPTURE; 634 else 635 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; 636 cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE | 637 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS; 638 return 0; 639 } 640 641 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 642 struct v4l2_fmtdesc *f) 643 { 644 if (unlikely(f->index >= ARRAY_SIZE(formats))) 645 return -EINVAL; 646 647 strlcpy(f->description, formats[f->index].name, 648 sizeof(f->description)); 649 f->pixelformat = formats[f->index].fourcc; 650 651 return 0; 652 } 653 654 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) 655 { 656 struct cx23885_dev *dev = video_drvdata(file); 657 dprintk(1, "%s()\n", __func__); 658 659 *id = dev->tvnorm; 660 return 0; 661 } 662 663 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) 664 { 665 struct cx23885_dev *dev = video_drvdata(file); 666 dprintk(1, "%s()\n", __func__); 667 668 return cx23885_set_tvnorm(dev, tvnorms); 669 } 670 671 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) 672 { 673 static const char *iname[] = { 674 [CX23885_VMUX_COMPOSITE1] = "Composite1", 675 [CX23885_VMUX_COMPOSITE2] = "Composite2", 676 [CX23885_VMUX_COMPOSITE3] = "Composite3", 677 [CX23885_VMUX_COMPOSITE4] = "Composite4", 678 [CX23885_VMUX_SVIDEO] = "S-Video", 679 [CX23885_VMUX_COMPONENT] = "Component", 680 [CX23885_VMUX_TELEVISION] = "Television", 681 [CX23885_VMUX_CABLE] = "Cable TV", 682 [CX23885_VMUX_DVB] = "DVB", 683 [CX23885_VMUX_DEBUG] = "for debug only", 684 }; 685 unsigned int n; 686 dprintk(1, "%s()\n", __func__); 687 688 n = i->index; 689 if (n >= MAX_CX23885_INPUT) 690 return -EINVAL; 691 692 if (0 == INPUT(n)->type) 693 return -EINVAL; 694 695 i->index = n; 696 i->type = V4L2_INPUT_TYPE_CAMERA; 697 strcpy(i->name, iname[INPUT(n)->type]); 698 i->std = CX23885_NORMS; 699 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || 700 (CX23885_VMUX_CABLE == INPUT(n)->type)) { 701 i->type = V4L2_INPUT_TYPE_TUNER; 702 i->audioset = 4; 703 } else { 704 /* Two selectable audio inputs for non-tv inputs */ 705 i->audioset = 3; 706 } 707 708 if (dev->input == n) { 709 /* enum'd input matches our configured input. 710 * Ask the video decoder to process the call 711 * and give it an oppertunity to update the 712 * status field. 713 */ 714 call_all(dev, video, g_input_status, &i->status); 715 } 716 717 return 0; 718 } 719 720 static int vidioc_enum_input(struct file *file, void *priv, 721 struct v4l2_input *i) 722 { 723 struct cx23885_dev *dev = video_drvdata(file); 724 dprintk(1, "%s()\n", __func__); 725 return cx23885_enum_input(dev, i); 726 } 727 728 int cx23885_get_input(struct file *file, void *priv, unsigned int *i) 729 { 730 struct cx23885_dev *dev = video_drvdata(file); 731 732 *i = dev->input; 733 dprintk(1, "%s() returns %d\n", __func__, *i); 734 return 0; 735 } 736 737 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 738 { 739 return cx23885_get_input(file, priv, i); 740 } 741 742 int cx23885_set_input(struct file *file, void *priv, unsigned int i) 743 { 744 struct cx23885_dev *dev = video_drvdata(file); 745 746 dprintk(1, "%s(%d)\n", __func__, i); 747 748 if (i >= MAX_CX23885_INPUT) { 749 dprintk(1, "%s() -EINVAL\n", __func__); 750 return -EINVAL; 751 } 752 753 if (INPUT(i)->type == 0) 754 return -EINVAL; 755 756 cx23885_video_mux(dev, i); 757 758 /* By default establish the default audio input for the card also */ 759 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */ 760 cx23885_audio_mux(dev, i); 761 return 0; 762 } 763 764 static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 765 { 766 return cx23885_set_input(file, priv, i); 767 } 768 769 static int vidioc_log_status(struct file *file, void *priv) 770 { 771 struct cx23885_dev *dev = video_drvdata(file); 772 773 call_all(dev, core, log_status); 774 return 0; 775 } 776 777 static int cx23885_query_audinput(struct file *file, void *priv, 778 struct v4l2_audio *i) 779 { 780 struct cx23885_dev *dev = video_drvdata(file); 781 static const char *iname[] = { 782 [0] = "Baseband L/R 1", 783 [1] = "Baseband L/R 2", 784 [2] = "TV", 785 }; 786 unsigned int n; 787 dprintk(1, "%s()\n", __func__); 788 789 n = i->index; 790 if (n >= 3) 791 return -EINVAL; 792 793 memset(i, 0, sizeof(*i)); 794 i->index = n; 795 strcpy(i->name, iname[n]); 796 i->capability = V4L2_AUDCAP_STEREO; 797 return 0; 798 799 } 800 801 static int vidioc_enum_audinput(struct file *file, void *priv, 802 struct v4l2_audio *i) 803 { 804 return cx23885_query_audinput(file, priv, i); 805 } 806 807 static int vidioc_g_audinput(struct file *file, void *priv, 808 struct v4l2_audio *i) 809 { 810 struct cx23885_dev *dev = video_drvdata(file); 811 812 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || 813 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) 814 i->index = 2; 815 else 816 i->index = dev->audinput; 817 dprintk(1, "%s(input=%d)\n", __func__, i->index); 818 819 return cx23885_query_audinput(file, priv, i); 820 } 821 822 static int vidioc_s_audinput(struct file *file, void *priv, 823 const struct v4l2_audio *i) 824 { 825 struct cx23885_dev *dev = video_drvdata(file); 826 827 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || 828 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) { 829 return i->index != 2 ? -EINVAL : 0; 830 } 831 if (i->index > 1) 832 return -EINVAL; 833 834 dprintk(1, "%s(%d)\n", __func__, i->index); 835 836 dev->audinput = i->index; 837 838 /* Skip the audio defaults from the cards struct, caller wants 839 * directly touch the audio mux hardware. */ 840 cx23885_flatiron_mux(dev, dev->audinput + 1); 841 return 0; 842 } 843 844 static int vidioc_g_tuner(struct file *file, void *priv, 845 struct v4l2_tuner *t) 846 { 847 struct cx23885_dev *dev = video_drvdata(file); 848 849 if (dev->tuner_type == TUNER_ABSENT) 850 return -EINVAL; 851 if (0 != t->index) 852 return -EINVAL; 853 854 strcpy(t->name, "Television"); 855 856 call_all(dev, tuner, g_tuner, t); 857 return 0; 858 } 859 860 static int vidioc_s_tuner(struct file *file, void *priv, 861 const struct v4l2_tuner *t) 862 { 863 struct cx23885_dev *dev = video_drvdata(file); 864 865 if (dev->tuner_type == TUNER_ABSENT) 866 return -EINVAL; 867 if (0 != t->index) 868 return -EINVAL; 869 /* Update the A/V core */ 870 call_all(dev, tuner, s_tuner, t); 871 872 return 0; 873 } 874 875 static int vidioc_g_frequency(struct file *file, void *priv, 876 struct v4l2_frequency *f) 877 { 878 struct cx23885_dev *dev = video_drvdata(file); 879 880 if (dev->tuner_type == TUNER_ABSENT) 881 return -EINVAL; 882 883 f->type = V4L2_TUNER_ANALOG_TV; 884 f->frequency = dev->freq; 885 886 call_all(dev, tuner, g_frequency, f); 887 888 return 0; 889 } 890 891 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f) 892 { 893 struct v4l2_ctrl *mute; 894 int old_mute_val = 1; 895 896 if (dev->tuner_type == TUNER_ABSENT) 897 return -EINVAL; 898 if (unlikely(f->tuner != 0)) 899 return -EINVAL; 900 901 dev->freq = f->frequency; 902 903 /* I need to mute audio here */ 904 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); 905 if (mute) { 906 old_mute_val = v4l2_ctrl_g_ctrl(mute); 907 if (!old_mute_val) 908 v4l2_ctrl_s_ctrl(mute, 1); 909 } 910 911 call_all(dev, tuner, s_frequency, f); 912 913 /* When changing channels it is required to reset TVAUDIO */ 914 msleep(100); 915 916 /* I need to unmute audio here */ 917 if (old_mute_val == 0) 918 v4l2_ctrl_s_ctrl(mute, old_mute_val); 919 920 return 0; 921 } 922 923 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev, 924 const struct v4l2_frequency *f) 925 { 926 struct v4l2_ctrl *mute; 927 int old_mute_val = 1; 928 struct vb2_dvb_frontend *vfe; 929 struct dvb_frontend *fe; 930 931 struct analog_parameters params = { 932 .mode = V4L2_TUNER_ANALOG_TV, 933 .audmode = V4L2_TUNER_MODE_STEREO, 934 .std = dev->tvnorm, 935 .frequency = f->frequency 936 }; 937 938 dev->freq = f->frequency; 939 940 /* I need to mute audio here */ 941 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); 942 if (mute) { 943 old_mute_val = v4l2_ctrl_g_ctrl(mute); 944 if (!old_mute_val) 945 v4l2_ctrl_s_ctrl(mute, 1); 946 } 947 948 /* If HVR1850 */ 949 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__, 950 params.frequency, f->tuner, params.std); 951 952 vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1); 953 if (!vfe) { 954 return -EINVAL; 955 } 956 957 fe = vfe->dvb.frontend; 958 959 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 960 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 961 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111)) 962 fe = &dev->ts1.analog_fe; 963 964 if (fe && fe->ops.tuner_ops.set_analog_params) { 965 call_all(dev, video, s_std, dev->tvnorm); 966 fe->ops.tuner_ops.set_analog_params(fe, ¶ms); 967 } 968 else 969 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__); 970 971 /* When changing channels it is required to reset TVAUDIO */ 972 msleep(100); 973 974 /* I need to unmute audio here */ 975 if (old_mute_val == 0) 976 v4l2_ctrl_s_ctrl(mute, old_mute_val); 977 978 return 0; 979 } 980 981 int cx23885_set_frequency(struct file *file, void *priv, 982 const struct v4l2_frequency *f) 983 { 984 struct cx23885_dev *dev = video_drvdata(file); 985 int ret; 986 987 switch (dev->board) { 988 case CX23885_BOARD_HAUPPAUGE_HVR1255: 989 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: 990 case CX23885_BOARD_HAUPPAUGE_HVR1850: 991 ret = cx23885_set_freq_via_ops(dev, f); 992 break; 993 default: 994 ret = cx23885_set_freq(dev, f); 995 } 996 997 return ret; 998 } 999 1000 static int vidioc_s_frequency(struct file *file, void *priv, 1001 const struct v4l2_frequency *f) 1002 { 1003 return cx23885_set_frequency(file, priv, f); 1004 } 1005 1006 /* ----------------------------------------------------------- */ 1007 1008 int cx23885_video_irq(struct cx23885_dev *dev, u32 status) 1009 { 1010 u32 mask, count; 1011 int handled = 0; 1012 1013 mask = cx_read(VID_A_INT_MSK); 1014 if (0 == (status & mask)) 1015 return handled; 1016 1017 cx_write(VID_A_INT_STAT, status); 1018 1019 /* risc op code error, fifo overflow or line sync detection error */ 1020 if ((status & VID_BC_MSK_OPC_ERR) || 1021 (status & VID_BC_MSK_SYNC) || 1022 (status & VID_BC_MSK_OF)) { 1023 1024 if (status & VID_BC_MSK_OPC_ERR) { 1025 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", 1026 VID_BC_MSK_OPC_ERR); 1027 printk(KERN_WARNING "%s: video risc op code error\n", 1028 dev->name); 1029 cx23885_sram_channel_dump(dev, 1030 &dev->sram_channels[SRAM_CH01]); 1031 } 1032 1033 if (status & VID_BC_MSK_SYNC) 1034 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) " 1035 "video lines miss-match\n", 1036 VID_BC_MSK_SYNC); 1037 1038 if (status & VID_BC_MSK_OF) 1039 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n", 1040 VID_BC_MSK_OF); 1041 1042 } 1043 1044 /* Video */ 1045 if (status & VID_BC_MSK_RISCI1) { 1046 spin_lock(&dev->slock); 1047 count = cx_read(VID_A_GPCNT); 1048 cx23885_video_wakeup(dev, &dev->vidq, count); 1049 spin_unlock(&dev->slock); 1050 handled++; 1051 } 1052 1053 /* Allow the VBI framework to process it's payload */ 1054 handled += cx23885_vbi_irq(dev, status); 1055 1056 return handled; 1057 } 1058 1059 /* ----------------------------------------------------------- */ 1060 /* exported stuff */ 1061 1062 static const struct v4l2_file_operations video_fops = { 1063 .owner = THIS_MODULE, 1064 .open = v4l2_fh_open, 1065 .release = vb2_fop_release, 1066 .read = vb2_fop_read, 1067 .poll = vb2_fop_poll, 1068 .unlocked_ioctl = video_ioctl2, 1069 .mmap = vb2_fop_mmap, 1070 }; 1071 1072 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1073 .vidioc_querycap = vidioc_querycap, 1074 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1075 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1076 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1077 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1078 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, 1079 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, 1080 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, 1081 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1082 .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 1083 .vidioc_querybuf = vb2_ioctl_querybuf, 1084 .vidioc_qbuf = vb2_ioctl_qbuf, 1085 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1086 .vidioc_streamon = vb2_ioctl_streamon, 1087 .vidioc_streamoff = vb2_ioctl_streamoff, 1088 .vidioc_s_std = vidioc_s_std, 1089 .vidioc_g_std = vidioc_g_std, 1090 .vidioc_enum_input = vidioc_enum_input, 1091 .vidioc_g_input = vidioc_g_input, 1092 .vidioc_s_input = vidioc_s_input, 1093 .vidioc_log_status = vidioc_log_status, 1094 .vidioc_g_tuner = vidioc_g_tuner, 1095 .vidioc_s_tuner = vidioc_s_tuner, 1096 .vidioc_g_frequency = vidioc_g_frequency, 1097 .vidioc_s_frequency = vidioc_s_frequency, 1098 #ifdef CONFIG_VIDEO_ADV_DEBUG 1099 .vidioc_g_chip_info = cx23885_g_chip_info, 1100 .vidioc_g_register = cx23885_g_register, 1101 .vidioc_s_register = cx23885_s_register, 1102 #endif 1103 .vidioc_enumaudio = vidioc_enum_audinput, 1104 .vidioc_g_audio = vidioc_g_audinput, 1105 .vidioc_s_audio = vidioc_s_audinput, 1106 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1107 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1108 }; 1109 1110 static struct video_device cx23885_vbi_template; 1111 static struct video_device cx23885_video_template = { 1112 .name = "cx23885-video", 1113 .fops = &video_fops, 1114 .ioctl_ops = &video_ioctl_ops, 1115 .tvnorms = CX23885_NORMS, 1116 }; 1117 1118 void cx23885_video_unregister(struct cx23885_dev *dev) 1119 { 1120 dprintk(1, "%s()\n", __func__); 1121 cx23885_irq_remove(dev, 0x01); 1122 1123 if (dev->vbi_dev) { 1124 if (video_is_registered(dev->vbi_dev)) 1125 video_unregister_device(dev->vbi_dev); 1126 else 1127 video_device_release(dev->vbi_dev); 1128 dev->vbi_dev = NULL; 1129 } 1130 if (dev->video_dev) { 1131 if (video_is_registered(dev->video_dev)) 1132 video_unregister_device(dev->video_dev); 1133 else 1134 video_device_release(dev->video_dev); 1135 dev->video_dev = NULL; 1136 } 1137 1138 if (dev->audio_dev) 1139 cx23885_audio_unregister(dev); 1140 } 1141 1142 int cx23885_video_register(struct cx23885_dev *dev) 1143 { 1144 struct vb2_queue *q; 1145 int err; 1146 1147 dprintk(1, "%s()\n", __func__); 1148 spin_lock_init(&dev->slock); 1149 1150 /* Initialize VBI template */ 1151 cx23885_vbi_template = cx23885_video_template; 1152 strcpy(cx23885_vbi_template.name, "cx23885-vbi"); 1153 1154 dev->tvnorm = V4L2_STD_NTSC_M; 1155 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); 1156 dev->field = V4L2_FIELD_INTERLACED; 1157 dev->width = 720; 1158 dev->height = norm_maxh(dev->tvnorm); 1159 1160 /* init video dma queues */ 1161 INIT_LIST_HEAD(&dev->vidq.active); 1162 1163 /* init vbi dma queues */ 1164 INIT_LIST_HEAD(&dev->vbiq.active); 1165 1166 cx23885_irq_add_enable(dev, 0x01); 1167 1168 if ((TUNER_ABSENT != dev->tuner_type) && 1169 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { 1170 struct v4l2_subdev *sd = NULL; 1171 1172 if (dev->tuner_addr) 1173 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1174 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1175 "tuner", dev->tuner_addr, NULL); 1176 else 1177 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1178 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1179 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); 1180 if (sd) { 1181 struct tuner_setup tun_setup; 1182 1183 memset(&tun_setup, 0, sizeof(tun_setup)); 1184 tun_setup.mode_mask = T_ANALOG_TV; 1185 tun_setup.type = dev->tuner_type; 1186 tun_setup.addr = v4l2_i2c_subdev_addr(sd); 1187 tun_setup.tuner_callback = cx23885_tuner_callback; 1188 1189 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); 1190 1191 if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) || 1192 (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) { 1193 struct xc2028_ctrl ctrl = { 1194 .fname = XC2028_DEFAULT_FIRMWARE, 1195 .max_len = 64 1196 }; 1197 struct v4l2_priv_tun_config cfg = { 1198 .tuner = dev->tuner_type, 1199 .priv = &ctrl 1200 }; 1201 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1202 } 1203 1204 if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) { 1205 struct xc2028_ctrl ctrl = { 1206 .fname = "xc3028L-v36.fw", 1207 .max_len = 64 1208 }; 1209 struct v4l2_priv_tun_config cfg = { 1210 .tuner = dev->tuner_type, 1211 .priv = &ctrl 1212 }; 1213 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1214 } 1215 } 1216 } 1217 1218 /* initial device configuration */ 1219 mutex_lock(&dev->lock); 1220 cx23885_set_tvnorm(dev, dev->tvnorm); 1221 cx23885_video_mux(dev, 0); 1222 cx23885_audio_mux(dev, 0); 1223 mutex_unlock(&dev->lock); 1224 1225 q = &dev->vb2_vidq; 1226 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1227 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1228 q->gfp_flags = GFP_DMA32; 1229 q->min_buffers_needed = 2; 1230 q->drv_priv = dev; 1231 q->buf_struct_size = sizeof(struct cx23885_buffer); 1232 q->ops = &cx23885_video_qops; 1233 q->mem_ops = &vb2_dma_sg_memops; 1234 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1235 q->lock = &dev->lock; 1236 1237 err = vb2_queue_init(q); 1238 if (err < 0) 1239 goto fail_unreg; 1240 1241 q = &dev->vb2_vbiq; 1242 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1243 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1244 q->gfp_flags = GFP_DMA32; 1245 q->min_buffers_needed = 2; 1246 q->drv_priv = dev; 1247 q->buf_struct_size = sizeof(struct cx23885_buffer); 1248 q->ops = &cx23885_vbi_qops; 1249 q->mem_ops = &vb2_dma_sg_memops; 1250 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1251 q->lock = &dev->lock; 1252 1253 err = vb2_queue_init(q); 1254 if (err < 0) 1255 goto fail_unreg; 1256 1257 /* register Video device */ 1258 dev->video_dev = cx23885_vdev_init(dev, dev->pci, 1259 &cx23885_video_template, "video"); 1260 dev->video_dev->queue = &dev->vb2_vidq; 1261 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, 1262 video_nr[dev->nr]); 1263 if (err < 0) { 1264 printk(KERN_INFO "%s: can't register video device\n", 1265 dev->name); 1266 goto fail_unreg; 1267 } 1268 printk(KERN_INFO "%s: registered device %s [v4l2]\n", 1269 dev->name, video_device_node_name(dev->video_dev)); 1270 1271 /* register VBI device */ 1272 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, 1273 &cx23885_vbi_template, "vbi"); 1274 dev->vbi_dev->queue = &dev->vb2_vbiq; 1275 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 1276 vbi_nr[dev->nr]); 1277 if (err < 0) { 1278 printk(KERN_INFO "%s: can't register vbi device\n", 1279 dev->name); 1280 goto fail_unreg; 1281 } 1282 printk(KERN_INFO "%s: registered device %s\n", 1283 dev->name, video_device_node_name(dev->vbi_dev)); 1284 1285 /* Register ALSA audio device */ 1286 dev->audio_dev = cx23885_audio_register(dev); 1287 1288 return 0; 1289 1290 fail_unreg: 1291 cx23885_video_unregister(dev); 1292 return err; 1293 } 1294