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.sequence = q->count++; 108 v4l2_get_timestamp(&buf->vb.timestamp); 109 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, 110 buf->vb.vb2_buf.index, count, q->count); 111 list_del(&buf->queue); 112 vb2_buffer_done(&buf->vb.vb2_buf, 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 void *parg, 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 alloc_ctxs[0] = dev->alloc_ctx; 327 return 0; 328 } 329 330 static int buffer_prepare(struct vb2_buffer *vb) 331 { 332 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 333 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 334 struct cx23885_buffer *buf = 335 container_of(vbuf, struct cx23885_buffer, vb); 336 u32 line0_offset, line1_offset; 337 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); 338 int field_tff; 339 340 buf->bpl = (dev->width * dev->fmt->depth) >> 3; 341 342 if (vb2_plane_size(vb, 0) < dev->height * buf->bpl) 343 return -EINVAL; 344 vb2_set_plane_payload(vb, 0, dev->height * buf->bpl); 345 346 switch (dev->field) { 347 case V4L2_FIELD_TOP: 348 cx23885_risc_buffer(dev->pci, &buf->risc, 349 sgt->sgl, 0, UNSET, 350 buf->bpl, 0, dev->height); 351 break; 352 case V4L2_FIELD_BOTTOM: 353 cx23885_risc_buffer(dev->pci, &buf->risc, 354 sgt->sgl, UNSET, 0, 355 buf->bpl, 0, dev->height); 356 break; 357 case V4L2_FIELD_INTERLACED: 358 if (dev->tvnorm & V4L2_STD_525_60) 359 /* NTSC or */ 360 field_tff = 1; 361 else 362 field_tff = 0; 363 364 if (cx23885_boards[dev->board].force_bff) 365 /* PAL / SECAM OR 888 in NTSC MODE */ 366 field_tff = 0; 367 368 if (field_tff) { 369 /* cx25840 transmits NTSC bottom field first */ 370 dprintk(1, "%s() Creating TFF/NTSC risc\n", 371 __func__); 372 line0_offset = buf->bpl; 373 line1_offset = 0; 374 } else { 375 /* All other formats are top field first */ 376 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n", 377 __func__); 378 line0_offset = 0; 379 line1_offset = buf->bpl; 380 } 381 cx23885_risc_buffer(dev->pci, &buf->risc, 382 sgt->sgl, line0_offset, 383 line1_offset, 384 buf->bpl, buf->bpl, 385 dev->height >> 1); 386 break; 387 case V4L2_FIELD_SEQ_TB: 388 cx23885_risc_buffer(dev->pci, &buf->risc, 389 sgt->sgl, 390 0, buf->bpl * (dev->height >> 1), 391 buf->bpl, 0, 392 dev->height >> 1); 393 break; 394 case V4L2_FIELD_SEQ_BT: 395 cx23885_risc_buffer(dev->pci, &buf->risc, 396 sgt->sgl, 397 buf->bpl * (dev->height >> 1), 0, 398 buf->bpl, 0, 399 dev->height >> 1); 400 break; 401 default: 402 BUG(); 403 } 404 dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", 405 buf, buf->vb.vb2_buf.index, 406 dev->width, dev->height, dev->fmt->depth, dev->fmt->name, 407 (unsigned long)buf->risc.dma); 408 return 0; 409 } 410 411 static void buffer_finish(struct vb2_buffer *vb) 412 { 413 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 414 struct cx23885_buffer *buf = container_of(vbuf, 415 struct cx23885_buffer, vb); 416 417 cx23885_free_buffer(vb->vb2_queue->drv_priv, buf); 418 } 419 420 /* 421 * The risc program for each buffer works as follows: it starts with a simple 422 * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the 423 * buffer follows and at the end we have a JUMP back to the start + 12 (skipping 424 * the initial JUMP). 425 * 426 * This is the risc program of the first buffer to be queued if the active list 427 * is empty and it just keeps DMAing this buffer without generating any 428 * interrupts. 429 * 430 * If a new buffer is added then the initial JUMP in the code for that buffer 431 * will generate an interrupt which signals that the previous buffer has been 432 * DMAed successfully and that it can be returned to userspace. 433 * 434 * It also sets the final jump of the previous buffer to the start of the new 435 * buffer, thus chaining the new buffer into the DMA chain. This is a single 436 * atomic u32 write, so there is no race condition. 437 * 438 * The end-result of all this that you only get an interrupt when a buffer 439 * is ready, so the control flow is very easy. 440 */ 441 static void buffer_queue(struct vb2_buffer *vb) 442 { 443 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); 444 struct cx23885_dev *dev = vb->vb2_queue->drv_priv; 445 struct cx23885_buffer *buf = container_of(vbuf, 446 struct cx23885_buffer, vb); 447 struct cx23885_buffer *prev; 448 struct cx23885_dmaqueue *q = &dev->vidq; 449 unsigned long flags; 450 451 /* add jump to start */ 452 buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12); 453 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC); 454 buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12); 455 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ 456 457 spin_lock_irqsave(&dev->slock, flags); 458 if (list_empty(&q->active)) { 459 list_add_tail(&buf->queue, &q->active); 460 dprintk(2, "[%p/%d] buffer_queue - first active\n", 461 buf, buf->vb.vb2_buf.index); 462 } else { 463 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1); 464 prev = list_entry(q->active.prev, struct cx23885_buffer, 465 queue); 466 list_add_tail(&buf->queue, &q->active); 467 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); 468 dprintk(2, "[%p/%d] buffer_queue - append to active\n", 469 buf, buf->vb.vb2_buf.index); 470 } 471 spin_unlock_irqrestore(&dev->slock, flags); 472 } 473 474 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count) 475 { 476 struct cx23885_dev *dev = q->drv_priv; 477 struct cx23885_dmaqueue *dmaq = &dev->vidq; 478 struct cx23885_buffer *buf = list_entry(dmaq->active.next, 479 struct cx23885_buffer, queue); 480 481 cx23885_start_video_dma(dev, dmaq, buf); 482 return 0; 483 } 484 485 static void cx23885_stop_streaming(struct vb2_queue *q) 486 { 487 struct cx23885_dev *dev = q->drv_priv; 488 struct cx23885_dmaqueue *dmaq = &dev->vidq; 489 unsigned long flags; 490 491 cx_clear(VID_A_DMA_CTL, 0x11); 492 spin_lock_irqsave(&dev->slock, flags); 493 while (!list_empty(&dmaq->active)) { 494 struct cx23885_buffer *buf = list_entry(dmaq->active.next, 495 struct cx23885_buffer, queue); 496 497 list_del(&buf->queue); 498 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); 499 } 500 spin_unlock_irqrestore(&dev->slock, flags); 501 } 502 503 static struct vb2_ops cx23885_video_qops = { 504 .queue_setup = queue_setup, 505 .buf_prepare = buffer_prepare, 506 .buf_finish = buffer_finish, 507 .buf_queue = buffer_queue, 508 .wait_prepare = vb2_ops_wait_prepare, 509 .wait_finish = vb2_ops_wait_finish, 510 .start_streaming = cx23885_start_streaming, 511 .stop_streaming = cx23885_stop_streaming, 512 }; 513 514 /* ------------------------------------------------------------------ */ 515 /* VIDEO IOCTLS */ 516 517 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 518 struct v4l2_format *f) 519 { 520 struct cx23885_dev *dev = video_drvdata(file); 521 522 f->fmt.pix.width = dev->width; 523 f->fmt.pix.height = dev->height; 524 f->fmt.pix.field = dev->field; 525 f->fmt.pix.pixelformat = dev->fmt->fourcc; 526 f->fmt.pix.bytesperline = 527 (f->fmt.pix.width * dev->fmt->depth) >> 3; 528 f->fmt.pix.sizeimage = 529 f->fmt.pix.height * f->fmt.pix.bytesperline; 530 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 531 532 return 0; 533 } 534 535 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 536 struct v4l2_format *f) 537 { 538 struct cx23885_dev *dev = video_drvdata(file); 539 struct cx23885_fmt *fmt; 540 enum v4l2_field field; 541 unsigned int maxw, maxh; 542 543 fmt = format_by_fourcc(f->fmt.pix.pixelformat); 544 if (NULL == fmt) 545 return -EINVAL; 546 547 field = f->fmt.pix.field; 548 maxw = norm_maxw(dev->tvnorm); 549 maxh = norm_maxh(dev->tvnorm); 550 551 if (V4L2_FIELD_ANY == field) { 552 field = (f->fmt.pix.height > maxh/2) 553 ? V4L2_FIELD_INTERLACED 554 : V4L2_FIELD_BOTTOM; 555 } 556 557 switch (field) { 558 case V4L2_FIELD_TOP: 559 case V4L2_FIELD_BOTTOM: 560 maxh = maxh / 2; 561 break; 562 case V4L2_FIELD_INTERLACED: 563 case V4L2_FIELD_SEQ_TB: 564 case V4L2_FIELD_SEQ_BT: 565 break; 566 default: 567 field = V4L2_FIELD_INTERLACED; 568 break; 569 } 570 571 f->fmt.pix.field = field; 572 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2, 573 &f->fmt.pix.height, 32, maxh, 0, 0); 574 f->fmt.pix.bytesperline = 575 (f->fmt.pix.width * fmt->depth) >> 3; 576 f->fmt.pix.sizeimage = 577 f->fmt.pix.height * f->fmt.pix.bytesperline; 578 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 579 580 return 0; 581 } 582 583 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, 584 struct v4l2_format *f) 585 { 586 struct cx23885_dev *dev = video_drvdata(file); 587 struct v4l2_subdev_format format = { 588 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 589 }; 590 int err; 591 592 dprintk(2, "%s()\n", __func__); 593 err = vidioc_try_fmt_vid_cap(file, priv, f); 594 595 if (0 != err) 596 return err; 597 598 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) || 599 vb2_is_busy(&dev->vb2_mpegq)) 600 return -EBUSY; 601 602 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); 603 dev->width = f->fmt.pix.width; 604 dev->height = f->fmt.pix.height; 605 dev->field = f->fmt.pix.field; 606 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, 607 dev->width, dev->height, dev->field); 608 v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED); 609 call_all(dev, pad, set_fmt, NULL, &format); 610 v4l2_fill_pix_format(&f->fmt.pix, &format.format); 611 /* set_fmt overwrites f->fmt.pix.field, restore it */ 612 f->fmt.pix.field = dev->field; 613 return 0; 614 } 615 616 static int vidioc_querycap(struct file *file, void *priv, 617 struct v4l2_capability *cap) 618 { 619 struct cx23885_dev *dev = video_drvdata(file); 620 struct video_device *vdev = video_devdata(file); 621 622 strcpy(cap->driver, "cx23885"); 623 strlcpy(cap->card, cx23885_boards[dev->board].name, 624 sizeof(cap->card)); 625 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); 626 cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO; 627 if (dev->tuner_type != TUNER_ABSENT) 628 cap->device_caps |= V4L2_CAP_TUNER; 629 if (vdev->vfl_type == VFL_TYPE_VBI) 630 cap->device_caps |= V4L2_CAP_VBI_CAPTURE; 631 else 632 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; 633 cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE | 634 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS; 635 return 0; 636 } 637 638 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 639 struct v4l2_fmtdesc *f) 640 { 641 if (unlikely(f->index >= ARRAY_SIZE(formats))) 642 return -EINVAL; 643 644 strlcpy(f->description, formats[f->index].name, 645 sizeof(f->description)); 646 f->pixelformat = formats[f->index].fourcc; 647 648 return 0; 649 } 650 651 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) 652 { 653 struct cx23885_dev *dev = video_drvdata(file); 654 dprintk(1, "%s()\n", __func__); 655 656 *id = dev->tvnorm; 657 return 0; 658 } 659 660 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) 661 { 662 struct cx23885_dev *dev = video_drvdata(file); 663 dprintk(1, "%s()\n", __func__); 664 665 return cx23885_set_tvnorm(dev, tvnorms); 666 } 667 668 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) 669 { 670 static const char *iname[] = { 671 [CX23885_VMUX_COMPOSITE1] = "Composite1", 672 [CX23885_VMUX_COMPOSITE2] = "Composite2", 673 [CX23885_VMUX_COMPOSITE3] = "Composite3", 674 [CX23885_VMUX_COMPOSITE4] = "Composite4", 675 [CX23885_VMUX_SVIDEO] = "S-Video", 676 [CX23885_VMUX_COMPONENT] = "Component", 677 [CX23885_VMUX_TELEVISION] = "Television", 678 [CX23885_VMUX_CABLE] = "Cable TV", 679 [CX23885_VMUX_DVB] = "DVB", 680 [CX23885_VMUX_DEBUG] = "for debug only", 681 }; 682 unsigned int n; 683 dprintk(1, "%s()\n", __func__); 684 685 n = i->index; 686 if (n >= MAX_CX23885_INPUT) 687 return -EINVAL; 688 689 if (0 == INPUT(n)->type) 690 return -EINVAL; 691 692 i->index = n; 693 i->type = V4L2_INPUT_TYPE_CAMERA; 694 strcpy(i->name, iname[INPUT(n)->type]); 695 i->std = CX23885_NORMS; 696 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) || 697 (CX23885_VMUX_CABLE == INPUT(n)->type)) { 698 i->type = V4L2_INPUT_TYPE_TUNER; 699 i->audioset = 4; 700 } else { 701 /* Two selectable audio inputs for non-tv inputs */ 702 i->audioset = 3; 703 } 704 705 if (dev->input == n) { 706 /* enum'd input matches our configured input. 707 * Ask the video decoder to process the call 708 * and give it an oppertunity to update the 709 * status field. 710 */ 711 call_all(dev, video, g_input_status, &i->status); 712 } 713 714 return 0; 715 } 716 717 static int vidioc_enum_input(struct file *file, void *priv, 718 struct v4l2_input *i) 719 { 720 struct cx23885_dev *dev = video_drvdata(file); 721 dprintk(1, "%s()\n", __func__); 722 return cx23885_enum_input(dev, i); 723 } 724 725 int cx23885_get_input(struct file *file, void *priv, unsigned int *i) 726 { 727 struct cx23885_dev *dev = video_drvdata(file); 728 729 *i = dev->input; 730 dprintk(1, "%s() returns %d\n", __func__, *i); 731 return 0; 732 } 733 734 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) 735 { 736 return cx23885_get_input(file, priv, i); 737 } 738 739 int cx23885_set_input(struct file *file, void *priv, unsigned int i) 740 { 741 struct cx23885_dev *dev = video_drvdata(file); 742 743 dprintk(1, "%s(%d)\n", __func__, i); 744 745 if (i >= MAX_CX23885_INPUT) { 746 dprintk(1, "%s() -EINVAL\n", __func__); 747 return -EINVAL; 748 } 749 750 if (INPUT(i)->type == 0) 751 return -EINVAL; 752 753 cx23885_video_mux(dev, i); 754 755 /* By default establish the default audio input for the card also */ 756 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */ 757 cx23885_audio_mux(dev, i); 758 return 0; 759 } 760 761 static int vidioc_s_input(struct file *file, void *priv, unsigned int i) 762 { 763 return cx23885_set_input(file, priv, i); 764 } 765 766 static int vidioc_log_status(struct file *file, void *priv) 767 { 768 struct cx23885_dev *dev = video_drvdata(file); 769 770 call_all(dev, core, log_status); 771 return 0; 772 } 773 774 static int cx23885_query_audinput(struct file *file, void *priv, 775 struct v4l2_audio *i) 776 { 777 struct cx23885_dev *dev = video_drvdata(file); 778 static const char *iname[] = { 779 [0] = "Baseband L/R 1", 780 [1] = "Baseband L/R 2", 781 [2] = "TV", 782 }; 783 unsigned int n; 784 dprintk(1, "%s()\n", __func__); 785 786 n = i->index; 787 if (n >= 3) 788 return -EINVAL; 789 790 memset(i, 0, sizeof(*i)); 791 i->index = n; 792 strcpy(i->name, iname[n]); 793 i->capability = V4L2_AUDCAP_STEREO; 794 return 0; 795 796 } 797 798 static int vidioc_enum_audinput(struct file *file, void *priv, 799 struct v4l2_audio *i) 800 { 801 return cx23885_query_audinput(file, priv, i); 802 } 803 804 static int vidioc_g_audinput(struct file *file, void *priv, 805 struct v4l2_audio *i) 806 { 807 struct cx23885_dev *dev = video_drvdata(file); 808 809 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || 810 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) 811 i->index = 2; 812 else 813 i->index = dev->audinput; 814 dprintk(1, "%s(input=%d)\n", __func__, i->index); 815 816 return cx23885_query_audinput(file, priv, i); 817 } 818 819 static int vidioc_s_audinput(struct file *file, void *priv, 820 const struct v4l2_audio *i) 821 { 822 struct cx23885_dev *dev = video_drvdata(file); 823 824 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) || 825 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) { 826 return i->index != 2 ? -EINVAL : 0; 827 } 828 if (i->index > 1) 829 return -EINVAL; 830 831 dprintk(1, "%s(%d)\n", __func__, i->index); 832 833 dev->audinput = i->index; 834 835 /* Skip the audio defaults from the cards struct, caller wants 836 * directly touch the audio mux hardware. */ 837 cx23885_flatiron_mux(dev, dev->audinput + 1); 838 return 0; 839 } 840 841 static int vidioc_g_tuner(struct file *file, void *priv, 842 struct v4l2_tuner *t) 843 { 844 struct cx23885_dev *dev = video_drvdata(file); 845 846 if (dev->tuner_type == TUNER_ABSENT) 847 return -EINVAL; 848 if (0 != t->index) 849 return -EINVAL; 850 851 strcpy(t->name, "Television"); 852 853 call_all(dev, tuner, g_tuner, t); 854 return 0; 855 } 856 857 static int vidioc_s_tuner(struct file *file, void *priv, 858 const struct v4l2_tuner *t) 859 { 860 struct cx23885_dev *dev = video_drvdata(file); 861 862 if (dev->tuner_type == TUNER_ABSENT) 863 return -EINVAL; 864 if (0 != t->index) 865 return -EINVAL; 866 /* Update the A/V core */ 867 call_all(dev, tuner, s_tuner, t); 868 869 return 0; 870 } 871 872 static int vidioc_g_frequency(struct file *file, void *priv, 873 struct v4l2_frequency *f) 874 { 875 struct cx23885_dev *dev = video_drvdata(file); 876 877 if (dev->tuner_type == TUNER_ABSENT) 878 return -EINVAL; 879 880 f->type = V4L2_TUNER_ANALOG_TV; 881 f->frequency = dev->freq; 882 883 call_all(dev, tuner, g_frequency, f); 884 885 return 0; 886 } 887 888 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f) 889 { 890 struct v4l2_ctrl *mute; 891 int old_mute_val = 1; 892 893 if (dev->tuner_type == TUNER_ABSENT) 894 return -EINVAL; 895 if (unlikely(f->tuner != 0)) 896 return -EINVAL; 897 898 dev->freq = f->frequency; 899 900 /* I need to mute audio here */ 901 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); 902 if (mute) { 903 old_mute_val = v4l2_ctrl_g_ctrl(mute); 904 if (!old_mute_val) 905 v4l2_ctrl_s_ctrl(mute, 1); 906 } 907 908 call_all(dev, tuner, s_frequency, f); 909 910 /* When changing channels it is required to reset TVAUDIO */ 911 msleep(100); 912 913 /* I need to unmute audio here */ 914 if (old_mute_val == 0) 915 v4l2_ctrl_s_ctrl(mute, old_mute_val); 916 917 return 0; 918 } 919 920 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev, 921 const struct v4l2_frequency *f) 922 { 923 struct v4l2_ctrl *mute; 924 int old_mute_val = 1; 925 struct vb2_dvb_frontend *vfe; 926 struct dvb_frontend *fe; 927 928 struct analog_parameters params = { 929 .mode = V4L2_TUNER_ANALOG_TV, 930 .audmode = V4L2_TUNER_MODE_STEREO, 931 .std = dev->tvnorm, 932 .frequency = f->frequency 933 }; 934 935 dev->freq = f->frequency; 936 937 /* I need to mute audio here */ 938 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE); 939 if (mute) { 940 old_mute_val = v4l2_ctrl_g_ctrl(mute); 941 if (!old_mute_val) 942 v4l2_ctrl_s_ctrl(mute, 1); 943 } 944 945 /* If HVR1850 */ 946 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__, 947 params.frequency, f->tuner, params.std); 948 949 vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1); 950 if (!vfe) { 951 return -EINVAL; 952 } 953 954 fe = vfe->dvb.frontend; 955 956 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) || 957 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) || 958 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111)) 959 fe = &dev->ts1.analog_fe; 960 961 if (fe && fe->ops.tuner_ops.set_analog_params) { 962 call_all(dev, video, s_std, dev->tvnorm); 963 fe->ops.tuner_ops.set_analog_params(fe, ¶ms); 964 } 965 else 966 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__); 967 968 /* When changing channels it is required to reset TVAUDIO */ 969 msleep(100); 970 971 /* I need to unmute audio here */ 972 if (old_mute_val == 0) 973 v4l2_ctrl_s_ctrl(mute, old_mute_val); 974 975 return 0; 976 } 977 978 int cx23885_set_frequency(struct file *file, void *priv, 979 const struct v4l2_frequency *f) 980 { 981 struct cx23885_dev *dev = video_drvdata(file); 982 int ret; 983 984 switch (dev->board) { 985 case CX23885_BOARD_HAUPPAUGE_HVR1255: 986 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111: 987 case CX23885_BOARD_HAUPPAUGE_HVR1850: 988 ret = cx23885_set_freq_via_ops(dev, f); 989 break; 990 default: 991 ret = cx23885_set_freq(dev, f); 992 } 993 994 return ret; 995 } 996 997 static int vidioc_s_frequency(struct file *file, void *priv, 998 const struct v4l2_frequency *f) 999 { 1000 return cx23885_set_frequency(file, priv, f); 1001 } 1002 1003 /* ----------------------------------------------------------- */ 1004 1005 int cx23885_video_irq(struct cx23885_dev *dev, u32 status) 1006 { 1007 u32 mask, count; 1008 int handled = 0; 1009 1010 mask = cx_read(VID_A_INT_MSK); 1011 if (0 == (status & mask)) 1012 return handled; 1013 1014 cx_write(VID_A_INT_STAT, status); 1015 1016 /* risc op code error, fifo overflow or line sync detection error */ 1017 if ((status & VID_BC_MSK_OPC_ERR) || 1018 (status & VID_BC_MSK_SYNC) || 1019 (status & VID_BC_MSK_OF)) { 1020 1021 if (status & VID_BC_MSK_OPC_ERR) { 1022 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", 1023 VID_BC_MSK_OPC_ERR); 1024 printk(KERN_WARNING "%s: video risc op code error\n", 1025 dev->name); 1026 cx23885_sram_channel_dump(dev, 1027 &dev->sram_channels[SRAM_CH01]); 1028 } 1029 1030 if (status & VID_BC_MSK_SYNC) 1031 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) " 1032 "video lines miss-match\n", 1033 VID_BC_MSK_SYNC); 1034 1035 if (status & VID_BC_MSK_OF) 1036 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n", 1037 VID_BC_MSK_OF); 1038 1039 } 1040 1041 /* Video */ 1042 if (status & VID_BC_MSK_RISCI1) { 1043 spin_lock(&dev->slock); 1044 count = cx_read(VID_A_GPCNT); 1045 cx23885_video_wakeup(dev, &dev->vidq, count); 1046 spin_unlock(&dev->slock); 1047 handled++; 1048 } 1049 1050 /* Allow the VBI framework to process it's payload */ 1051 handled += cx23885_vbi_irq(dev, status); 1052 1053 return handled; 1054 } 1055 1056 /* ----------------------------------------------------------- */ 1057 /* exported stuff */ 1058 1059 static const struct v4l2_file_operations video_fops = { 1060 .owner = THIS_MODULE, 1061 .open = v4l2_fh_open, 1062 .release = vb2_fop_release, 1063 .read = vb2_fop_read, 1064 .poll = vb2_fop_poll, 1065 .unlocked_ioctl = video_ioctl2, 1066 .mmap = vb2_fop_mmap, 1067 }; 1068 1069 static const struct v4l2_ioctl_ops video_ioctl_ops = { 1070 .vidioc_querycap = vidioc_querycap, 1071 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1072 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1073 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1074 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, 1075 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt, 1076 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt, 1077 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt, 1078 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1079 .vidioc_prepare_buf = vb2_ioctl_prepare_buf, 1080 .vidioc_querybuf = vb2_ioctl_querybuf, 1081 .vidioc_qbuf = vb2_ioctl_qbuf, 1082 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1083 .vidioc_streamon = vb2_ioctl_streamon, 1084 .vidioc_streamoff = vb2_ioctl_streamoff, 1085 .vidioc_s_std = vidioc_s_std, 1086 .vidioc_g_std = vidioc_g_std, 1087 .vidioc_enum_input = vidioc_enum_input, 1088 .vidioc_g_input = vidioc_g_input, 1089 .vidioc_s_input = vidioc_s_input, 1090 .vidioc_log_status = vidioc_log_status, 1091 .vidioc_g_tuner = vidioc_g_tuner, 1092 .vidioc_s_tuner = vidioc_s_tuner, 1093 .vidioc_g_frequency = vidioc_g_frequency, 1094 .vidioc_s_frequency = vidioc_s_frequency, 1095 #ifdef CONFIG_VIDEO_ADV_DEBUG 1096 .vidioc_g_chip_info = cx23885_g_chip_info, 1097 .vidioc_g_register = cx23885_g_register, 1098 .vidioc_s_register = cx23885_s_register, 1099 #endif 1100 .vidioc_enumaudio = vidioc_enum_audinput, 1101 .vidioc_g_audio = vidioc_g_audinput, 1102 .vidioc_s_audio = vidioc_s_audinput, 1103 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1104 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1105 }; 1106 1107 static struct video_device cx23885_vbi_template; 1108 static struct video_device cx23885_video_template = { 1109 .name = "cx23885-video", 1110 .fops = &video_fops, 1111 .ioctl_ops = &video_ioctl_ops, 1112 .tvnorms = CX23885_NORMS, 1113 }; 1114 1115 void cx23885_video_unregister(struct cx23885_dev *dev) 1116 { 1117 dprintk(1, "%s()\n", __func__); 1118 cx23885_irq_remove(dev, 0x01); 1119 1120 if (dev->vbi_dev) { 1121 if (video_is_registered(dev->vbi_dev)) 1122 video_unregister_device(dev->vbi_dev); 1123 else 1124 video_device_release(dev->vbi_dev); 1125 dev->vbi_dev = NULL; 1126 } 1127 if (dev->video_dev) { 1128 if (video_is_registered(dev->video_dev)) 1129 video_unregister_device(dev->video_dev); 1130 else 1131 video_device_release(dev->video_dev); 1132 dev->video_dev = NULL; 1133 } 1134 1135 if (dev->audio_dev) 1136 cx23885_audio_unregister(dev); 1137 } 1138 1139 int cx23885_video_register(struct cx23885_dev *dev) 1140 { 1141 struct vb2_queue *q; 1142 int err; 1143 1144 dprintk(1, "%s()\n", __func__); 1145 1146 /* Initialize VBI template */ 1147 cx23885_vbi_template = cx23885_video_template; 1148 strcpy(cx23885_vbi_template.name, "cx23885-vbi"); 1149 1150 dev->tvnorm = V4L2_STD_NTSC_M; 1151 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); 1152 dev->field = V4L2_FIELD_INTERLACED; 1153 dev->width = 720; 1154 dev->height = norm_maxh(dev->tvnorm); 1155 1156 /* init video dma queues */ 1157 INIT_LIST_HEAD(&dev->vidq.active); 1158 1159 /* init vbi dma queues */ 1160 INIT_LIST_HEAD(&dev->vbiq.active); 1161 1162 cx23885_irq_add_enable(dev, 0x01); 1163 1164 if ((TUNER_ABSENT != dev->tuner_type) && 1165 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) { 1166 struct v4l2_subdev *sd = NULL; 1167 1168 if (dev->tuner_addr) 1169 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1170 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1171 "tuner", dev->tuner_addr, NULL); 1172 else 1173 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, 1174 &dev->i2c_bus[dev->tuner_bus].i2c_adap, 1175 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV)); 1176 if (sd) { 1177 struct tuner_setup tun_setup; 1178 1179 memset(&tun_setup, 0, sizeof(tun_setup)); 1180 tun_setup.mode_mask = T_ANALOG_TV; 1181 tun_setup.type = dev->tuner_type; 1182 tun_setup.addr = v4l2_i2c_subdev_addr(sd); 1183 tun_setup.tuner_callback = cx23885_tuner_callback; 1184 1185 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup); 1186 1187 if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) || 1188 (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) { 1189 struct xc2028_ctrl ctrl = { 1190 .fname = XC2028_DEFAULT_FIRMWARE, 1191 .max_len = 64 1192 }; 1193 struct v4l2_priv_tun_config cfg = { 1194 .tuner = dev->tuner_type, 1195 .priv = &ctrl 1196 }; 1197 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1198 } 1199 1200 if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) { 1201 struct xc2028_ctrl ctrl = { 1202 .fname = "xc3028L-v36.fw", 1203 .max_len = 64 1204 }; 1205 struct v4l2_priv_tun_config cfg = { 1206 .tuner = dev->tuner_type, 1207 .priv = &ctrl 1208 }; 1209 v4l2_subdev_call(sd, tuner, s_config, &cfg); 1210 } 1211 } 1212 } 1213 1214 /* initial device configuration */ 1215 mutex_lock(&dev->lock); 1216 cx23885_set_tvnorm(dev, dev->tvnorm); 1217 cx23885_video_mux(dev, 0); 1218 cx23885_audio_mux(dev, 0); 1219 mutex_unlock(&dev->lock); 1220 1221 q = &dev->vb2_vidq; 1222 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1223 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1224 q->gfp_flags = GFP_DMA32; 1225 q->min_buffers_needed = 2; 1226 q->drv_priv = dev; 1227 q->buf_struct_size = sizeof(struct cx23885_buffer); 1228 q->ops = &cx23885_video_qops; 1229 q->mem_ops = &vb2_dma_sg_memops; 1230 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1231 q->lock = &dev->lock; 1232 1233 err = vb2_queue_init(q); 1234 if (err < 0) 1235 goto fail_unreg; 1236 1237 q = &dev->vb2_vbiq; 1238 q->type = V4L2_BUF_TYPE_VBI_CAPTURE; 1239 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; 1240 q->gfp_flags = GFP_DMA32; 1241 q->min_buffers_needed = 2; 1242 q->drv_priv = dev; 1243 q->buf_struct_size = sizeof(struct cx23885_buffer); 1244 q->ops = &cx23885_vbi_qops; 1245 q->mem_ops = &vb2_dma_sg_memops; 1246 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1247 q->lock = &dev->lock; 1248 1249 err = vb2_queue_init(q); 1250 if (err < 0) 1251 goto fail_unreg; 1252 1253 /* register Video device */ 1254 dev->video_dev = cx23885_vdev_init(dev, dev->pci, 1255 &cx23885_video_template, "video"); 1256 dev->video_dev->queue = &dev->vb2_vidq; 1257 err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER, 1258 video_nr[dev->nr]); 1259 if (err < 0) { 1260 printk(KERN_INFO "%s: can't register video device\n", 1261 dev->name); 1262 goto fail_unreg; 1263 } 1264 printk(KERN_INFO "%s: registered device %s [v4l2]\n", 1265 dev->name, video_device_node_name(dev->video_dev)); 1266 1267 /* register VBI device */ 1268 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci, 1269 &cx23885_vbi_template, "vbi"); 1270 dev->vbi_dev->queue = &dev->vb2_vbiq; 1271 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI, 1272 vbi_nr[dev->nr]); 1273 if (err < 0) { 1274 printk(KERN_INFO "%s: can't register vbi device\n", 1275 dev->name); 1276 goto fail_unreg; 1277 } 1278 printk(KERN_INFO "%s: registered device %s\n", 1279 dev->name, video_device_node_name(dev->vbi_dev)); 1280 1281 /* Register ALSA audio device */ 1282 dev->audio_dev = cx23885_audio_register(dev); 1283 1284 return 0; 1285 1286 fail_unreg: 1287 cx23885_video_unregister(dev); 1288 return err; 1289 } 1290