drivers/media/pci/cx23885/cx23885-video.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  Driver for the Conexant CX23885 PCIe bridge
   4  *
   5  *  Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
   6  */
   7
   8 #include "cx23885.h"
   9 #include "cx23885-video.h"
  10
  11 #include <linux/init.h>
  12 #include <linux/list.h>
  13 #include <linux/module.h>
  14 #include <linux/moduleparam.h>
  15 #include <linux/kmod.h>
  16 #include <linux/kernel.h>
  17 #include <linux/slab.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/delay.h>
  20 #include <linux/kthread.h>
  21 #include <asm/div64.h>
  22
  23 #include <media/v4l2-common.h>
  24 #include <media/v4l2-ioctl.h>
  25 #include <media/v4l2-event.h>
  26 #include "cx23885-ioctl.h"
  27 #include "xc2028.h"
  28
  29 #include <media/drv-intf/cx25840.h>
  30
  31 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
  32 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
  33 MODULE_LICENSE("GPL");
  34
  35 /* ------------------------------------------------------------------ */
  36
  37 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  38 static unsigned int vbi_nr[]   = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  39
  40 module_param_array(video_nr, int, NULL, 0444);
  41 module_param_array(vbi_nr,   int, NULL, 0444);
  42
  43 MODULE_PARM_DESC(video_nr, "video device numbers");
  44 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
  45
  46 static unsigned int video_debug;
  47 module_param(video_debug, int, 0644);
  48 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
  49
  50 static unsigned int irq_debug;
  51 module_param(irq_debug, int, 0644);
  52 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
  53
  54 static unsigned int vid_limit = 16;
  55 module_param(vid_limit, int, 0644);
  56 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
  57
  58 #define dprintk(level, fmt, arg...)\
  59         do { if (video_debug >= level)\
  60                 printk(KERN_DEBUG pr_fmt("%s: video:" fmt), \
  61                         __func__, ##arg); \
  62         } while (0)
  63
  64 /* ------------------------------------------------------------------- */
  65 /* static data                                                         */
  66
  67 #define FORMAT_FLAGS_PACKED       0x01
  68 static struct cx23885_fmt formats[] = {
  69         {
  70                 .fourcc   = V4L2_PIX_FMT_YUYV,
  71                 .depth    = 16,
  72                 .flags    = FORMAT_FLAGS_PACKED,
  73         }
  74 };
  75
  76 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
  77 {
  78         unsigned int i;
  79
  80         for (i = 0; i < ARRAY_SIZE(formats); i++)
  81                 if (formats[i].fourcc == fourcc)
  82                         return formats+i;
  83         return NULL;
  84 }
  85
  86 /* ------------------------------------------------------------------- */
  87
  88 void cx23885_video_wakeup(struct cx23885_dev *dev,
  89         struct cx23885_dmaqueue *q, u32 count)
  90 {
  91         struct cx23885_buffer *buf;
  92
  93         if (list_empty(&q->active))
  94                 return;
  95         buf = list_entry(q->active.next,
  96                         struct cx23885_buffer, queue);
  97
  98         buf->vb.sequence = q->count++;
  99         buf->vb.vb2_buf.timestamp = ktime_get_ns();
 100         dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf,
 101                         buf->vb.vb2_buf.index, count, q->count);
 102         list_del(&buf->queue);
 103         vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 104 }
 105
 106 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
 107 {
 108         struct v4l2_subdev_format format = {
 109                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
 110                 .format.code = MEDIA_BUS_FMT_FIXED,
 111         };
 112
 113         dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
 114                 __func__,
 115                 (unsigned int)norm,
 116                 v4l2_norm_to_name(norm));
 117
 118         if (dev->tvnorm == norm)
 119                 return 0;
 120
 121         if (dev->tvnorm != norm) {
 122                 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 123                     vb2_is_busy(&dev->vb2_mpegq))
 124                         return -EBUSY;
 125         }
 126
 127         dev->tvnorm = norm;
 128         dev->width = 720;
 129         dev->height = norm_maxh(norm);
 130         dev->field = V4L2_FIELD_INTERLACED;
 131
 132         call_all(dev, video, s_std, norm);
 133
 134         format.format.width = dev->width;
 135         format.format.height = dev->height;
 136         format.format.field = dev->field;
 137         call_all(dev, pad, set_fmt, NULL, &format);
 138
 139         return 0;
 140 }
 141
 142 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
 143                                     struct pci_dev *pci,
 144                                     struct video_device *template,
 145                                     char *type)
 146 {
 147         struct video_device *vfd;
 148         dprintk(1, "%s()\n", __func__);
 149
 150         vfd = video_device_alloc();
 151         if (NULL == vfd)
 152                 return NULL;
 153         *vfd = *template;
 154         vfd->v4l2_dev = &dev->v4l2_dev;
 155         vfd->release = video_device_release;
 156         vfd->lock = &dev->lock;
 157         snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
 158                  cx23885_boards[dev->board].name, type);
 159         video_set_drvdata(vfd, dev);
 160         return vfd;
 161 }
 162
 163 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
 164 {
 165         /* 8 bit registers, 8 bit values */
 166         u8 buf[] = { reg, data };
 167
 168         struct i2c_msg msg = { .addr = 0x98 >> 1,
 169                 .flags = 0, .buf = buf, .len = 2 };
 170
 171         return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
 172 }
 173
 174 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
 175 {
 176         /* 8 bit registers, 8 bit values */
 177         int ret;
 178         u8 b0[] = { reg };
 179         u8 b1[] = { 0 };
 180
 181         struct i2c_msg msg[] = {
 182                 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
 183                 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
 184         };
 185
 186         ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
 187         if (ret != 2)
 188                 pr_err("%s() error\n", __func__);
 189
 190         return b1[0];
 191 }
 192
 193 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
 194 {
 195         int i;
 196         dprintk(1, "Flatiron dump\n");
 197         for (i = 0; i < 0x24; i++) {
 198                 dprintk(1, "FI[%02x] = %02x\n", i,
 199                         cx23885_flatiron_read(dev, i));
 200         }
 201 }
 202
 203 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
 204 {
 205         u8 val;
 206         dprintk(1, "%s(input = %d)\n", __func__, input);
 207
 208         if (input == 1)
 209                 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
 210         else if (input == 2)
 211                 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
 212         else
 213                 return -EINVAL;
 214
 215         val |= 0x20; /* Enable clock to delta-sigma and dec filter */
 216
 217         cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
 218
 219         /* Wake up */
 220         cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
 221
 222         if (video_debug)
 223                 cx23885_flatiron_dump(dev);
 224
 225         return 0;
 226 }
 227
 228 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
 229 {
 230         dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
 231                 __func__,
 232                 input, INPUT(input)->vmux,
 233                 INPUT(input)->gpio0, INPUT(input)->gpio1,
 234                 INPUT(input)->gpio2, INPUT(input)->gpio3);
 235         dev->input = input;
 236
 237         if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
 238                 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
 239                 dev->board == CX23885_BOARD_MYGICA_X8507) {
 240                 /* Select Analog TV */
 241                 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
 242                         cx23885_gpio_clear(dev, GPIO_0);
 243         }
 244
 245         /* Tell the internal A/V decoder */
 246         v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
 247                         INPUT(input)->vmux, 0, 0);
 248
 249         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
 250                 (dev->board == CX23885_BOARD_MPX885) ||
 251                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
 252                 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) ||
 253                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
 254                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
 255                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) ||
 256                 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC) ||
 257                 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) ||
 258                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
 259                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR5525) ||
 260                 (dev->board == CX23885_BOARD_MYGICA_X8507) ||
 261                 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) ||
 262                 (dev->board == CX23885_BOARD_VIEWCAST_260E) ||
 263                 (dev->board == CX23885_BOARD_VIEWCAST_460E) ||
 264                 (dev->board == CX23885_BOARD_AVERMEDIA_CE310B)) {
 265                 /* Configure audio routing */
 266                 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
 267                         INPUT(input)->amux, 0, 0);
 268
 269                 if (INPUT(input)->amux == CX25840_AUDIO7)
 270                         cx23885_flatiron_mux(dev, 1);
 271                 else if (INPUT(input)->amux == CX25840_AUDIO6)
 272                         cx23885_flatiron_mux(dev, 2);
 273         }
 274
 275         return 0;
 276 }
 277
 278 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
 279 {
 280         dprintk(1, "%s(input=%d)\n", __func__, input);
 281
 282         /* The baseband video core of the cx23885 has two audio inputs.
 283          * LR1 and LR2. In almost every single case so far only HVR1xxx
 284          * cards we've only ever supported LR1. Time to support LR2,
 285          * which is available via the optional white breakout header on
 286          * the board.
 287          * We'll use a could of existing enums in the card struct to allow
 288          * devs to specify which baseband input they need, or just default
 289          * to what we've always used.
 290          */
 291         if (INPUT(input)->amux == CX25840_AUDIO7)
 292                 cx23885_flatiron_mux(dev, 1);
 293         else if (INPUT(input)->amux == CX25840_AUDIO6)
 294                 cx23885_flatiron_mux(dev, 2);
 295         else {
 296                 /* Not specifically defined, assume the default. */
 297                 cx23885_flatiron_mux(dev, 1);
 298         }
 299
 300         return 0;
 301 }
 302
 303 /* ------------------------------------------------------------------ */
 304 static int cx23885_start_video_dma(struct cx23885_dev *dev,
 305                            struct cx23885_dmaqueue *q,
 306                            struct cx23885_buffer *buf)
 307 {
 308         dprintk(1, "%s()\n", __func__);
 309
 310         /* Stop the dma/fifo before we tamper with it's risc programs */
 311         cx_clear(VID_A_DMA_CTL, 0x11);
 312
 313         /* setup fifo + format */
 314         cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
 315                                 buf->bpl, buf->risc.dma);
 316
 317         /* reset counter */
 318         cx_write(VID_A_GPCNT_CTL, 3);
 319         q->count = 0;
 320
 321         /* enable irq */
 322         cx23885_irq_add_enable(dev, 0x01);
 323         cx_set(VID_A_INT_MSK, 0x000011);
 324
 325         /* start dma */
 326         cx_set(DEV_CNTRL2, (1<<5));
 327         cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
 328
 329         return 0;
 330 }
 331
 332 static int queue_setup(struct vb2_queue *q,
 333                            unsigned int *num_buffers, unsigned int *num_planes,
 334                            unsigned int sizes[], struct device *alloc_devs[])
 335 {
 336         struct cx23885_dev *dev = q->drv_priv;
 337
 338         *num_planes = 1;
 339         sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
 340         return 0;
 341 }
 342
 343 static int buffer_prepare(struct vb2_buffer *vb)
 344 {
 345         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 346         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 347         struct cx23885_buffer *buf =
 348                 container_of(vbuf, struct cx23885_buffer, vb);
 349         u32 line0_offset, line1_offset;
 350         struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
 351         int field_tff;
 352
 353         buf->bpl = (dev->width * dev->fmt->depth) >> 3;
 354
 355         if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
 356                 return -EINVAL;
 357         vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
 358
 359         switch (dev->field) {
 360         case V4L2_FIELD_TOP:
 361                 cx23885_risc_buffer(dev->pci, &buf->risc,
 362                                 sgt->sgl, 0, UNSET,
 363                                 buf->bpl, 0, dev->height);
 364                 break;
 365         case V4L2_FIELD_BOTTOM:
 366                 cx23885_risc_buffer(dev->pci, &buf->risc,
 367                                 sgt->sgl, UNSET, 0,
 368                                 buf->bpl, 0, dev->height);
 369                 break;
 370         case V4L2_FIELD_INTERLACED:
 371                 if (dev->tvnorm & V4L2_STD_525_60)
 372                         /* NTSC or  */
 373                         field_tff = 1;
 374                 else
 375                         field_tff = 0;
 376
 377                 if (cx23885_boards[dev->board].force_bff)
 378                         /* PAL / SECAM OR 888 in NTSC MODE */
 379                         field_tff = 0;
 380
 381                 if (field_tff) {
 382                         /* cx25840 transmits NTSC bottom field first */
 383                         dprintk(1, "%s() Creating TFF/NTSC risc\n",
 384                                         __func__);
 385                         line0_offset = buf->bpl;
 386                         line1_offset = 0;
 387                 } else {
 388                         /* All other formats are top field first */
 389                         dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
 390                                         __func__);
 391                         line0_offset = 0;
 392                         line1_offset = buf->bpl;
 393                 }
 394                 cx23885_risc_buffer(dev->pci, &buf->risc,
 395                                 sgt->sgl, line0_offset,
 396                                 line1_offset,
 397                                 buf->bpl, buf->bpl,
 398                                 dev->height >> 1);
 399                 break;
 400         case V4L2_FIELD_SEQ_TB:
 401                 cx23885_risc_buffer(dev->pci, &buf->risc,
 402                                 sgt->sgl,
 403                                 0, buf->bpl * (dev->height >> 1),
 404                                 buf->bpl, 0,
 405                                 dev->height >> 1);
 406                 break;
 407         case V4L2_FIELD_SEQ_BT:
 408                 cx23885_risc_buffer(dev->pci, &buf->risc,
 409                                 sgt->sgl,
 410                                 buf->bpl * (dev->height >> 1), 0,
 411                                 buf->bpl, 0,
 412                                 dev->height >> 1);
 413                 break;
 414         default:
 415                 BUG();
 416         }
 417         dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
 418                 buf, buf->vb.vb2_buf.index,
 419                 dev->width, dev->height, dev->fmt->depth, dev->fmt->fourcc,
 420                 (unsigned long)buf->risc.dma);
 421         return 0;
 422 }
 423
 424 static void buffer_finish(struct vb2_buffer *vb)
 425 {
 426         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 427         struct cx23885_buffer *buf = container_of(vbuf,
 428                 struct cx23885_buffer, vb);
 429
 430         cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
 431 }
 432
 433 /*
 434  * The risc program for each buffer works as follows: it starts with a simple
 435  * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
 436  * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
 437  * the initial JUMP).
 438  *
 439  * This is the risc program of the first buffer to be queued if the active list
 440  * is empty and it just keeps DMAing this buffer without generating any
 441  * interrupts.
 442  *
 443  * If a new buffer is added then the initial JUMP in the code for that buffer
 444  * will generate an interrupt which signals that the previous buffer has been
 445  * DMAed successfully and that it can be returned to userspace.
 446  *
 447  * It also sets the final jump of the previous buffer to the start of the new
 448  * buffer, thus chaining the new buffer into the DMA chain. This is a single
 449  * atomic u32 write, so there is no race condition.
 450  *
 451  * The end-result of all this that you only get an interrupt when a buffer
 452  * is ready, so the control flow is very easy.
 453  */
 454 static void buffer_queue(struct vb2_buffer *vb)
 455 {
 456         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 457         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 458         struct cx23885_buffer   *buf = container_of(vbuf,
 459                 struct cx23885_buffer, vb);
 460         struct cx23885_buffer   *prev;
 461         struct cx23885_dmaqueue *q    = &dev->vidq;
 462         unsigned long flags;
 463
 464         /* add jump to start */
 465         buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
 466         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
 467         buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
 468         buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
 469
 470         spin_lock_irqsave(&dev->slock, flags);
 471         if (list_empty(&q->active)) {
 472                 list_add_tail(&buf->queue, &q->active);
 473                 dprintk(2, "[%p/%d] buffer_queue - first active\n",
 474                         buf, buf->vb.vb2_buf.index);
 475         } else {
 476                 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
 477                 prev = list_entry(q->active.prev, struct cx23885_buffer,
 478                         queue);
 479                 list_add_tail(&buf->queue, &q->active);
 480                 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 481                 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
 482                                 buf, buf->vb.vb2_buf.index);
 483         }
 484         spin_unlock_irqrestore(&dev->slock, flags);
 485 }
 486
 487 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
 488 {
 489         struct cx23885_dev *dev = q->drv_priv;
 490         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 491         struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 492                         struct cx23885_buffer, queue);
 493
 494         cx23885_start_video_dma(dev, dmaq, buf);
 495         return 0;
 496 }
 497
 498 static void cx23885_stop_streaming(struct vb2_queue *q)
 499 {
 500         struct cx23885_dev *dev = q->drv_priv;
 501         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 502         unsigned long flags;
 503
 504         cx_clear(VID_A_DMA_CTL, 0x11);
 505         spin_lock_irqsave(&dev->slock, flags);
 506         while (!list_empty(&dmaq->active)) {
 507                 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 508                         struct cx23885_buffer, queue);
 509
 510                 list_del(&buf->queue);
 511                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 512         }
 513         spin_unlock_irqrestore(&dev->slock, flags);
 514 }
 515
 516 static const struct vb2_ops cx23885_video_qops = {
 517         .queue_setup    = queue_setup,
 518         .buf_prepare  = buffer_prepare,
 519         .buf_finish = buffer_finish,
 520         .buf_queue    = buffer_queue,
 521         .wait_prepare = vb2_ops_wait_prepare,
 522         .wait_finish = vb2_ops_wait_finish,
 523         .start_streaming = cx23885_start_streaming,
 524         .stop_streaming = cx23885_stop_streaming,
 525 };
 526
 527 /* ------------------------------------------------------------------ */
 528 /* VIDEO IOCTLS                                                       */
 529
 530 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 531         struct v4l2_format *f)
 532 {
 533         struct cx23885_dev *dev = video_drvdata(file);
 534
 535         f->fmt.pix.width        = dev->width;
 536         f->fmt.pix.height       = dev->height;
 537         f->fmt.pix.field        = dev->field;
 538         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
 539         f->fmt.pix.bytesperline =
 540                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
 541         f->fmt.pix.sizeimage =
 542                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 543         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 544
 545         return 0;
 546 }
 547
 548 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 549         struct v4l2_format *f)
 550 {
 551         struct cx23885_dev *dev = video_drvdata(file);
 552         struct cx23885_fmt *fmt;
 553         enum v4l2_field   field;
 554         unsigned int      maxw, maxh;
 555
 556         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 557         if (NULL == fmt)
 558                 return -EINVAL;
 559
 560         field = f->fmt.pix.field;
 561         maxw  = 720;
 562         maxh  = norm_maxh(dev->tvnorm);
 563
 564         if (V4L2_FIELD_ANY == field) {
 565                 field = (f->fmt.pix.height > maxh/2)
 566                         ? V4L2_FIELD_INTERLACED
 567                         : V4L2_FIELD_BOTTOM;
 568         }
 569
 570         switch (field) {
 571         case V4L2_FIELD_TOP:
 572         case V4L2_FIELD_BOTTOM:
 573                 maxh = maxh / 2;
 574                 break;
 575         case V4L2_FIELD_INTERLACED:
 576         case V4L2_FIELD_SEQ_TB:
 577         case V4L2_FIELD_SEQ_BT:
 578                 break;
 579         default:
 580                 field = V4L2_FIELD_INTERLACED;
 581                 break;
 582         }
 583
 584         f->fmt.pix.field = field;
 585         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 586                               &f->fmt.pix.height, 32, maxh, 0, 0);
 587         f->fmt.pix.bytesperline =
 588                 (f->fmt.pix.width * fmt->depth) >> 3;
 589         f->fmt.pix.sizeimage =
 590                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 591         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 592
 593         return 0;
 594 }
 595
 596 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 597         struct v4l2_format *f)
 598 {
 599         struct cx23885_dev *dev = video_drvdata(file);
 600         struct v4l2_subdev_format format = {
 601                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
 602         };
 603         int err;
 604
 605         dprintk(2, "%s()\n", __func__);
 606         err = vidioc_try_fmt_vid_cap(file, priv, f);
 607
 608         if (0 != err)
 609                 return err;
 610
 611         if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 612             vb2_is_busy(&dev->vb2_mpegq))
 613                 return -EBUSY;
 614
 615         dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
 616         dev->width      = f->fmt.pix.width;
 617         dev->height     = f->fmt.pix.height;
 618         dev->field      = f->fmt.pix.field;
 619         dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
 620                 dev->width, dev->height, dev->field);
 621         v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
 622         call_all(dev, pad, set_fmt, NULL, &format);
 623         v4l2_fill_pix_format(&f->fmt.pix, &format.format);
 624         /* set_fmt overwrites f->fmt.pix.field, restore it */
 625         f->fmt.pix.field = dev->field;
 626         return 0;
 627 }
 628
 629 static int vidioc_querycap(struct file *file, void  *priv,
 630         struct v4l2_capability *cap)
 631 {
 632         struct cx23885_dev *dev = video_drvdata(file);
 633
 634         strscpy(cap->driver, "cx23885", sizeof(cap->driver));
 635         strscpy(cap->card, cx23885_boards[dev->board].name,
 636                 sizeof(cap->card));
 637         sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
 638         cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
 639                             V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE |
 640                             V4L2_CAP_VIDEO_CAPTURE |
 641                             V4L2_CAP_DEVICE_CAPS;
 642         switch (dev->board) { /* i2c device tuners */
 643         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
 644         case CX23885_BOARD_HAUPPAUGE_HVR5525:
 645         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
 646         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
 647                 cap->capabilities |= V4L2_CAP_TUNER;
 648                 break;
 649         default:
 650                 if (dev->tuner_type != TUNER_ABSENT)
 651                         cap->capabilities |= V4L2_CAP_TUNER;
 652                 break;
 653         }
 654         return 0;
 655 }
 656
 657 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 658         struct v4l2_fmtdesc *f)
 659 {
 660         if (unlikely(f->index >= ARRAY_SIZE(formats)))
 661                 return -EINVAL;
 662
 663         f->pixelformat = formats[f->index].fourcc;
 664
 665         return 0;
 666 }
 667
 668 static int vidioc_g_pixelaspect(struct file *file, void *priv,
 669                                 int type, struct v4l2_fract *f)
 670 {
 671         struct cx23885_dev *dev = video_drvdata(file);
 672         bool is_50hz = dev->tvnorm & V4L2_STD_625_50;
 673
 674         if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 675                 return -EINVAL;
 676
 677         f->numerator = is_50hz ? 54 : 11;
 678         f->denominator = is_50hz ? 59 : 10;
 679
 680         return 0;
 681 }
 682
 683 static int vidioc_g_selection(struct file *file, void *fh,
 684                               struct v4l2_selection *sel)
 685 {
 686         struct cx23885_dev *dev = video_drvdata(file);
 687
 688         if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 689                 return -EINVAL;
 690
 691         switch (sel->target) {
 692         case V4L2_SEL_TGT_CROP_BOUNDS:
 693         case V4L2_SEL_TGT_CROP_DEFAULT:
 694                 sel->r.top = 0;
 695                 sel->r.left = 0;
 696                 sel->r.width = 720;
 697                 sel->r.height = norm_maxh(dev->tvnorm);
 698                 break;
 699         default:
 700                 return -EINVAL;
 701         }
 702         return 0;
 703 }
 704
 705 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
 706 {
 707         struct cx23885_dev *dev = video_drvdata(file);
 708         dprintk(1, "%s()\n", __func__);
 709
 710         *id = dev->tvnorm;
 711         return 0;
 712 }
 713
 714 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 715 {
 716         struct cx23885_dev *dev = video_drvdata(file);
 717         dprintk(1, "%s()\n", __func__);
 718
 719         return cx23885_set_tvnorm(dev, tvnorms);
 720 }
 721
 722 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
 723 {
 724         static const char *iname[] = {
 725                 [CX23885_VMUX_COMPOSITE1] = "Composite1",
 726                 [CX23885_VMUX_COMPOSITE2] = "Composite2",
 727                 [CX23885_VMUX_COMPOSITE3] = "Composite3",
 728                 [CX23885_VMUX_COMPOSITE4] = "Composite4",
 729                 [CX23885_VMUX_SVIDEO]     = "S-Video",
 730                 [CX23885_VMUX_COMPONENT]  = "Component",
 731                 [CX23885_VMUX_TELEVISION] = "Television",
 732                 [CX23885_VMUX_CABLE]      = "Cable TV",
 733                 [CX23885_VMUX_DVB]        = "DVB",
 734                 [CX23885_VMUX_DEBUG]      = "for debug only",
 735         };
 736         unsigned int n;
 737         dprintk(1, "%s()\n", __func__);
 738
 739         n = i->index;
 740         if (n >= MAX_CX23885_INPUT)
 741                 return -EINVAL;
 742
 743         if (0 == INPUT(n)->type)
 744                 return -EINVAL;
 745
 746         i->index = n;
 747         i->type  = V4L2_INPUT_TYPE_CAMERA;
 748         strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name));
 749         i->std = CX23885_NORMS;
 750         if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
 751                 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
 752                 i->type = V4L2_INPUT_TYPE_TUNER;
 753                 i->audioset = 4;
 754         } else {
 755                 /* Two selectable audio inputs for non-tv inputs */
 756                 i->audioset = 3;
 757         }
 758
 759         if (dev->input == n) {
 760                 /* enum'd input matches our configured input.
 761                  * Ask the video decoder to process the call
 762                  * and give it an oppertunity to update the
 763                  * status field.
 764                  */
 765                 call_all(dev, video, g_input_status, &i->status);
 766         }
 767
 768         return 0;
 769 }
 770
 771 static int vidioc_enum_input(struct file *file, void *priv,
 772                                 struct v4l2_input *i)
 773 {
 774         struct cx23885_dev *dev = video_drvdata(file);
 775         dprintk(1, "%s()\n", __func__);
 776         return cx23885_enum_input(dev, i);
 777 }
 778
 779 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
 780 {
 781         struct cx23885_dev *dev = video_drvdata(file);
 782
 783         *i = dev->input;
 784         dprintk(1, "%s() returns %d\n", __func__, *i);
 785         return 0;
 786 }
 787
 788 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 789 {
 790         return cx23885_get_input(file, priv, i);
 791 }
 792
 793 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
 794 {
 795         struct cx23885_dev *dev = video_drvdata(file);
 796
 797         dprintk(1, "%s(%d)\n", __func__, i);
 798
 799         if (i >= MAX_CX23885_INPUT) {
 800                 dprintk(1, "%s() -EINVAL\n", __func__);
 801                 return -EINVAL;
 802         }
 803
 804         if (INPUT(i)->type == 0)
 805                 return -EINVAL;
 806
 807         cx23885_video_mux(dev, i);
 808
 809         /* By default establish the default audio input for the card also */
 810         /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
 811         cx23885_audio_mux(dev, i);
 812         return 0;
 813 }
 814
 815 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 816 {
 817         return cx23885_set_input(file, priv, i);
 818 }
 819
 820 static int vidioc_log_status(struct file *file, void *priv)
 821 {
 822         struct cx23885_dev *dev = video_drvdata(file);
 823
 824         call_all(dev, core, log_status);
 825         return 0;
 826 }
 827
 828 static int cx23885_query_audinput(struct file *file, void *priv,
 829         struct v4l2_audio *i)
 830 {
 831         static const char *iname[] = {
 832                 [0] = "Baseband L/R 1",
 833                 [1] = "Baseband L/R 2",
 834                 [2] = "TV",
 835         };
 836         unsigned int n;
 837         dprintk(1, "%s()\n", __func__);
 838
 839         n = i->index;
 840         if (n >= 3)
 841                 return -EINVAL;
 842
 843         memset(i, 0, sizeof(*i));
 844         i->index = n;
 845         strscpy(i->name, iname[n], sizeof(i->name));
 846         i->capability = V4L2_AUDCAP_STEREO;
 847         return 0;
 848
 849 }
 850
 851 static int vidioc_enum_audinput(struct file *file, void *priv,
 852                                 struct v4l2_audio *i)
 853 {
 854         return cx23885_query_audinput(file, priv, i);
 855 }
 856
 857 static int vidioc_g_audinput(struct file *file, void *priv,
 858         struct v4l2_audio *i)
 859 {
 860         struct cx23885_dev *dev = video_drvdata(file);
 861
 862         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 863                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type))
 864                 i->index = 2;
 865         else
 866                 i->index = dev->audinput;
 867         dprintk(1, "%s(input=%d)\n", __func__, i->index);
 868
 869         return cx23885_query_audinput(file, priv, i);
 870 }
 871
 872 static int vidioc_s_audinput(struct file *file, void *priv,
 873         const struct v4l2_audio *i)
 874 {
 875         struct cx23885_dev *dev = video_drvdata(file);
 876
 877         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 878                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
 879                 return i->index != 2 ? -EINVAL : 0;
 880         }
 881         if (i->index > 1)
 882                 return -EINVAL;
 883
 884         dprintk(1, "%s(%d)\n", __func__, i->index);
 885
 886         dev->audinput = i->index;
 887
 888         /* Skip the audio defaults from the cards struct, caller wants
 889          * directly touch the audio mux hardware. */
 890         cx23885_flatiron_mux(dev, dev->audinput + 1);
 891         return 0;
 892 }
 893
 894 static int vidioc_g_tuner(struct file *file, void *priv,
 895                                 struct v4l2_tuner *t)
 896 {
 897         struct cx23885_dev *dev = video_drvdata(file);
 898
 899         switch (dev->board) { /* i2c device tuners */
 900         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
 901         case CX23885_BOARD_HAUPPAUGE_HVR5525:
 902         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
 903         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
 904                 break;
 905         default:
 906                 if (dev->tuner_type == TUNER_ABSENT)
 907                         return -EINVAL;
 908                 break;
 909         }
 910         if (0 != t->index)
 911                 return -EINVAL;
 912
 913         strscpy(t->name, "Television", sizeof(t->name));
 914
 915         call_all(dev, tuner, g_tuner, t);
 916         return 0;
 917 }
 918
 919 static int vidioc_s_tuner(struct file *file, void *priv,
 920                                 const struct v4l2_tuner *t)
 921 {
 922         struct cx23885_dev *dev = video_drvdata(file);
 923
 924         switch (dev->board) { /* i2c device tuners */
 925         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
 926         case CX23885_BOARD_HAUPPAUGE_HVR5525:
 927         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
 928         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
 929                 break;
 930         default:
 931                 if (dev->tuner_type == TUNER_ABSENT)
 932                         return -EINVAL;
 933                 break;
 934         }
 935         if (0 != t->index)
 936                 return -EINVAL;
 937         /* Update the A/V core */
 938         call_all(dev, tuner, s_tuner, t);
 939
 940         return 0;
 941 }
 942
 943 static int vidioc_g_frequency(struct file *file, void *priv,
 944                                 struct v4l2_frequency *f)
 945 {
 946         struct cx23885_dev *dev = video_drvdata(file);
 947
 948         switch (dev->board) { /* i2c device tuners */
 949         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
 950         case CX23885_BOARD_HAUPPAUGE_HVR5525:
 951         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
 952         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
 953                 break;
 954         default:
 955                 if (dev->tuner_type == TUNER_ABSENT)
 956                         return -EINVAL;
 957                 break;
 958         }
 959         f->type = V4L2_TUNER_ANALOG_TV;
 960         f->frequency = dev->freq;
 961
 962         call_all(dev, tuner, g_frequency, f);
 963
 964         return 0;
 965 }
 966
 967 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
 968 {
 969         struct v4l2_ctrl *mute;
 970         int old_mute_val = 1;
 971
 972         switch (dev->board) { /* i2c device tuners */
 973         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
 974         case CX23885_BOARD_HAUPPAUGE_HVR5525:
 975         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
 976         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
 977                 break;
 978         default:
 979                 if (dev->tuner_type == TUNER_ABSENT)
 980                         return -EINVAL;
 981                 break;
 982         }
 983         if (unlikely(f->tuner != 0))
 984                 return -EINVAL;
 985
 986         dev->freq = f->frequency;
 987
 988         /* I need to mute audio here */
 989         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
 990         if (mute) {
 991                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
 992                 if (!old_mute_val)
 993                         v4l2_ctrl_s_ctrl(mute, 1);
 994         }
 995
 996         call_all(dev, tuner, s_frequency, f);
 997
 998         /* When changing channels it is required to reset TVAUDIO */
 999         msleep(100);
1000
1001         /* I need to unmute audio here */
1002         if (old_mute_val == 0)
1003                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1004
1005         return 0;
1006 }
1007
1008 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
1009         const struct v4l2_frequency *f)
1010 {
1011         struct v4l2_ctrl *mute;
1012         int old_mute_val = 1;
1013         struct vb2_dvb_frontend *vfe;
1014         struct dvb_frontend *fe;
1015
1016         struct analog_parameters params = {
1017                 .mode      = V4L2_TUNER_ANALOG_TV,
1018                 .audmode   = V4L2_TUNER_MODE_STEREO,
1019                 .std       = dev->tvnorm,
1020                 .frequency = f->frequency
1021         };
1022
1023         dev->freq = f->frequency;
1024
1025         /* I need to mute audio here */
1026         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
1027         if (mute) {
1028                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
1029                 if (!old_mute_val)
1030                         v4l2_ctrl_s_ctrl(mute, 1);
1031         }
1032
1033         /* If HVR1850 */
1034         dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
1035                 params.frequency, f->tuner, params.std);
1036
1037         vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
1038         if (!vfe) {
1039                 return -EINVAL;
1040         }
1041
1042         fe = vfe->dvb.frontend;
1043
1044         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
1045             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
1046             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
1047             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) ||
1048             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR5525) ||
1049             (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) ||
1050             (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC))
1051                 fe = &dev->ts1.analog_fe;
1052
1053         if (fe && fe->ops.tuner_ops.set_analog_params) {
1054                 call_all(dev, video, s_std, dev->tvnorm);
1055                 fe->ops.tuner_ops.set_analog_params(fe, &params);
1056         }
1057         else
1058                 pr_err("%s() No analog tuner, aborting\n", __func__);
1059
1060         /* When changing channels it is required to reset TVAUDIO */
1061         msleep(100);
1062
1063         /* I need to unmute audio here */
1064         if (old_mute_val == 0)
1065                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1066
1067         return 0;
1068 }
1069
1070 int cx23885_set_frequency(struct file *file, void *priv,
1071         const struct v4l2_frequency *f)
1072 {
1073         struct cx23885_dev *dev = video_drvdata(file);
1074         int ret;
1075
1076         switch (dev->board) {
1077         case CX23885_BOARD_HAUPPAUGE_HVR1255:
1078         case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1079         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1080         case CX23885_BOARD_HAUPPAUGE_HVR1850:
1081         case CX23885_BOARD_HAUPPAUGE_HVR5525:
1082         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
1083         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
1084                 ret = cx23885_set_freq_via_ops(dev, f);
1085                 break;
1086         default:
1087                 ret = cx23885_set_freq(dev, f);
1088         }
1089
1090         return ret;
1091 }
1092
1093 static int vidioc_s_frequency(struct file *file, void *priv,
1094         const struct v4l2_frequency *f)
1095 {
1096         return cx23885_set_frequency(file, priv, f);
1097 }
1098
1099 /* ----------------------------------------------------------- */
1100
1101 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1102 {
1103         u32 mask, count;
1104         int handled = 0;
1105
1106         mask   = cx_read(VID_A_INT_MSK);
1107         if (0 == (status & mask))
1108                 return handled;
1109
1110         cx_write(VID_A_INT_STAT, status);
1111
1112         /* risc op code error, fifo overflow or line sync detection error */
1113         if ((status & VID_BC_MSK_OPC_ERR) ||
1114                 (status & VID_BC_MSK_SYNC) ||
1115                 (status & VID_BC_MSK_OF)) {
1116
1117                 if (status & VID_BC_MSK_OPC_ERR) {
1118                         dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1119                                 VID_BC_MSK_OPC_ERR);
1120                         pr_warn("%s: video risc op code error\n",
1121                                 dev->name);
1122                         cx23885_sram_channel_dump(dev,
1123                                 &dev->sram_channels[SRAM_CH01]);
1124                 }
1125
1126                 if (status & VID_BC_MSK_SYNC)
1127                         dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) video lines miss-match\n",
1128                                 VID_BC_MSK_SYNC);
1129
1130                 if (status & VID_BC_MSK_OF)
1131                         dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1132                                 VID_BC_MSK_OF);
1133
1134         }
1135
1136         /* Video */
1137         if (status & VID_BC_MSK_RISCI1) {
1138                 spin_lock(&dev->slock);
1139                 count = cx_read(VID_A_GPCNT);
1140                 cx23885_video_wakeup(dev, &dev->vidq, count);
1141                 spin_unlock(&dev->slock);
1142                 handled++;
1143         }
1144
1145         /* Allow the VBI framework to process it's payload */
1146         handled += cx23885_vbi_irq(dev, status);
1147
1148         return handled;
1149 }
1150
1151 /* ----------------------------------------------------------- */
1152 /* exported stuff                                              */
1153
1154 static const struct v4l2_file_operations video_fops = {
1155         .owner         = THIS_MODULE,
1156         .open           = v4l2_fh_open,
1157         .release        = vb2_fop_release,
1158         .read           = vb2_fop_read,
1159         .poll           = vb2_fop_poll,
1160         .unlocked_ioctl = video_ioctl2,
1161         .mmap           = vb2_fop_mmap,
1162 };
1163
1164 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1165         .vidioc_querycap      = vidioc_querycap,
1166         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1167         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1168         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1169         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1170         .vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1171         .vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1172         .vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1173         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1174         .vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
1175         .vidioc_querybuf      = vb2_ioctl_querybuf,
1176         .vidioc_qbuf          = vb2_ioctl_qbuf,
1177         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1178         .vidioc_streamon      = vb2_ioctl_streamon,
1179         .vidioc_streamoff     = vb2_ioctl_streamoff,
1180         .vidioc_g_pixelaspect = vidioc_g_pixelaspect,
1181         .vidioc_g_selection   = vidioc_g_selection,
1182         .vidioc_s_std         = vidioc_s_std,
1183         .vidioc_g_std         = vidioc_g_std,
1184         .vidioc_enum_input    = vidioc_enum_input,
1185         .vidioc_g_input       = vidioc_g_input,
1186         .vidioc_s_input       = vidioc_s_input,
1187         .vidioc_log_status    = vidioc_log_status,
1188         .vidioc_g_tuner       = vidioc_g_tuner,
1189         .vidioc_s_tuner       = vidioc_s_tuner,
1190         .vidioc_g_frequency   = vidioc_g_frequency,
1191         .vidioc_s_frequency   = vidioc_s_frequency,
1192 #ifdef CONFIG_VIDEO_ADV_DEBUG
1193         .vidioc_g_chip_info   = cx23885_g_chip_info,
1194         .vidioc_g_register    = cx23885_g_register,
1195         .vidioc_s_register    = cx23885_s_register,
1196 #endif
1197         .vidioc_enumaudio     = vidioc_enum_audinput,
1198         .vidioc_g_audio       = vidioc_g_audinput,
1199         .vidioc_s_audio       = vidioc_s_audinput,
1200         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1201         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1202 };
1203
1204 static struct video_device cx23885_vbi_template;
1205 static struct video_device cx23885_video_template = {
1206         .name                 = "cx23885-video",
1207         .fops                 = &video_fops,
1208         .ioctl_ops            = &video_ioctl_ops,
1209         .tvnorms              = CX23885_NORMS,
1210 };
1211
1212 void cx23885_video_unregister(struct cx23885_dev *dev)
1213 {
1214         dprintk(1, "%s()\n", __func__);
1215         cx23885_irq_remove(dev, 0x01);
1216
1217         if (dev->vbi_dev) {
1218                 if (video_is_registered(dev->vbi_dev))
1219                         video_unregister_device(dev->vbi_dev);
1220                 else
1221                         video_device_release(dev->vbi_dev);
1222                 dev->vbi_dev = NULL;
1223         }
1224         if (dev->video_dev) {
1225                 if (video_is_registered(dev->video_dev))
1226                         video_unregister_device(dev->video_dev);
1227                 else
1228                         video_device_release(dev->video_dev);
1229                 dev->video_dev = NULL;
1230         }
1231
1232         if (dev->audio_dev)
1233                 cx23885_audio_unregister(dev);
1234 }
1235
1236 int cx23885_video_register(struct cx23885_dev *dev)
1237 {
1238         struct vb2_queue *q;
1239         int err;
1240
1241         dprintk(1, "%s()\n", __func__);
1242
1243         /* Initialize VBI template */
1244         cx23885_vbi_template = cx23885_video_template;
1245         strscpy(cx23885_vbi_template.name, "cx23885-vbi",
1246                 sizeof(cx23885_vbi_template.name));
1247
1248         dev->tvnorm = V4L2_STD_NTSC_M;
1249         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1250         dev->field = V4L2_FIELD_INTERLACED;
1251         dev->width = 720;
1252         dev->height = norm_maxh(dev->tvnorm);
1253
1254         /* init video dma queues */
1255         INIT_LIST_HEAD(&dev->vidq.active);
1256
1257         /* init vbi dma queues */
1258         INIT_LIST_HEAD(&dev->vbiq.active);
1259
1260         cx23885_irq_add_enable(dev, 0x01);
1261
1262         if ((TUNER_ABSENT != dev->tuner_type) &&
1263                         ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1264                 struct v4l2_subdev *sd = NULL;
1265
1266                 if (dev->tuner_addr)
1267                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1268                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1269                                 "tuner", dev->tuner_addr, NULL);
1270                 else
1271                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1272                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1273                                 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1274                 if (sd) {
1275                         struct tuner_setup tun_setup;
1276
1277                         memset(&tun_setup, 0, sizeof(tun_setup));
1278                         tun_setup.mode_mask = T_ANALOG_TV;
1279                         tun_setup.type = dev->tuner_type;
1280                         tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1281                         tun_setup.tuner_callback = cx23885_tuner_callback;
1282
1283                         v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1284
1285                         if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1286                             (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1287                                 struct xc2028_ctrl ctrl = {
1288                                         .fname = "/*(DEBLOBBED)*/",
1289                                         .max_len = 64
1290                                 };
1291                                 struct v4l2_priv_tun_config cfg = {
1292                                         .tuner = dev->tuner_type,
1293                                         .priv = &ctrl
1294                                 };
1295                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1296                         }
1297
1298                         if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1299                                 struct xc2028_ctrl ctrl = {
1300                                         .fname = "/*(DEBLOBBED)*/",
1301                                         .max_len = 64
1302                                 };
1303                                 struct v4l2_priv_tun_config cfg = {
1304                                         .tuner = dev->tuner_type,
1305                                         .priv = &ctrl
1306                                 };
1307                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1308                         }
1309                 }
1310         }
1311
1312         /* initial device configuration */
1313         mutex_lock(&dev->lock);
1314         cx23885_set_tvnorm(dev, dev->tvnorm);
1315         cx23885_video_mux(dev, 0);
1316         cx23885_audio_mux(dev, 0);
1317         mutex_unlock(&dev->lock);
1318
1319         q = &dev->vb2_vidq;
1320         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1321         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1322         q->gfp_flags = GFP_DMA32;
1323         q->min_buffers_needed = 2;
1324         q->drv_priv = dev;
1325         q->buf_struct_size = sizeof(struct cx23885_buffer);
1326         q->ops = &cx23885_video_qops;
1327         q->mem_ops = &vb2_dma_sg_memops;
1328         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1329         q->lock = &dev->lock;
1330         q->dev = &dev->pci->dev;
1331
1332         err = vb2_queue_init(q);
1333         if (err < 0)
1334                 goto fail_unreg;
1335
1336         q = &dev->vb2_vbiq;
1337         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1338         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1339         q->gfp_flags = GFP_DMA32;
1340         q->min_buffers_needed = 2;
1341         q->drv_priv = dev;
1342         q->buf_struct_size = sizeof(struct cx23885_buffer);
1343         q->ops = &cx23885_vbi_qops;
1344         q->mem_ops = &vb2_dma_sg_memops;
1345         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1346         q->lock = &dev->lock;
1347         q->dev = &dev->pci->dev;
1348
1349         err = vb2_queue_init(q);
1350         if (err < 0)
1351                 goto fail_unreg;
1352
1353         /* register Video device */
1354         dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1355                 &cx23885_video_template, "video");
1356         dev->video_dev->queue = &dev->vb2_vidq;
1357         dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1358                                       V4L2_CAP_AUDIO | V4L2_CAP_VIDEO_CAPTURE;
1359         switch (dev->board) { /* i2c device tuners */
1360         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1361         case CX23885_BOARD_HAUPPAUGE_HVR5525:
1362         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
1363         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
1364                 dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1365                 break;
1366         default:
1367                 if (dev->tuner_type != TUNER_ABSENT)
1368                         dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1369         }
1370
1371         err = video_register_device(dev->video_dev, VFL_TYPE_VIDEO,
1372                                     video_nr[dev->nr]);
1373         if (err < 0) {
1374                 pr_info("%s: can't register video device\n",
1375                         dev->name);
1376                 goto fail_unreg;
1377         }
1378         pr_info("%s: registered device %s [v4l2]\n",
1379                dev->name, video_device_node_name(dev->video_dev));
1380
1381         /* register VBI device */
1382         dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1383                 &cx23885_vbi_template, "vbi");
1384         dev->vbi_dev->queue = &dev->vb2_vbiq;
1385         dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1386                                     V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE;
1387         switch (dev->board) { /* i2c device tuners */
1388         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1389         case CX23885_BOARD_HAUPPAUGE_HVR5525:
1390         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
1391         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
1392                 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1393                 break;
1394         default:
1395                 if (dev->tuner_type != TUNER_ABSENT)
1396                         dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1397         }
1398         err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1399                                     vbi_nr[dev->nr]);
1400         if (err < 0) {
1401                 pr_info("%s: can't register vbi device\n",
1402                         dev->name);
1403                 goto fail_unreg;
1404         }
1405         pr_info("%s: registered device %s\n",
1406                dev->name, video_device_node_name(dev->vbi_dev));
1407
1408         /* Register ALSA audio device */
1409         dev->audio_dev = cx23885_audio_register(dev);
1410
1411         return 0;
1412
1413 fail_unreg:
1414         cx23885_video_unregister(dev);
1415         return err;
1416 }