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

   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/drv-intf/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         buf->vb.vb2_buf.timestamp = ktime_get_ns();
 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         struct v4l2_subdev_format format = {
 118                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
 119                 .format.code = MEDIA_BUS_FMT_FIXED,
 120         };
 121
 122         dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
 123                 __func__,
 124                 (unsigned int)norm,
 125                 v4l2_norm_to_name(norm));
 126
 127         if (dev->tvnorm == norm)
 128                 return 0;
 129
 130         if (dev->tvnorm != norm) {
 131                 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 132                     vb2_is_busy(&dev->vb2_mpegq))
 133                         return -EBUSY;
 134         }
 135
 136         dev->tvnorm = norm;
 137         dev->width = 720;
 138         dev->height = norm_maxh(norm);
 139         dev->field = V4L2_FIELD_INTERLACED;
 140
 141         call_all(dev, video, s_std, norm);
 142
 143         format.format.width = dev->width;
 144         format.format.height = dev->height;
 145         format.format.field = dev->field;
 146         call_all(dev, pad, set_fmt, NULL, &format);
 147
 148         return 0;
 149 }
 150
 151 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
 152                                     struct pci_dev *pci,
 153                                     struct video_device *template,
 154                                     char *type)
 155 {
 156         struct video_device *vfd;
 157         dprintk(1, "%s()\n", __func__);
 158
 159         vfd = video_device_alloc();
 160         if (NULL == vfd)
 161                 return NULL;
 162         *vfd = *template;
 163         vfd->v4l2_dev = &dev->v4l2_dev;
 164         vfd->release = video_device_release;
 165         vfd->lock = &dev->lock;
 166         snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
 167                  cx23885_boards[dev->board].name, type);
 168         video_set_drvdata(vfd, dev);
 169         return vfd;
 170 }
 171
 172 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
 173 {
 174         /* 8 bit registers, 8 bit values */
 175         u8 buf[] = { reg, data };
 176
 177         struct i2c_msg msg = { .addr = 0x98 >> 1,
 178                 .flags = 0, .buf = buf, .len = 2 };
 179
 180         return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
 181 }
 182
 183 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
 184 {
 185         /* 8 bit registers, 8 bit values */
 186         int ret;
 187         u8 b0[] = { reg };
 188         u8 b1[] = { 0 };
 189
 190         struct i2c_msg msg[] = {
 191                 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
 192                 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
 193         };
 194
 195         ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
 196         if (ret != 2)
 197                 printk(KERN_ERR "%s() error\n", __func__);
 198
 199         return b1[0];
 200 }
 201
 202 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
 203 {
 204         int i;
 205         dprintk(1, "Flatiron dump\n");
 206         for (i = 0; i < 0x24; i++) {
 207                 dprintk(1, "FI[%02x] = %02x\n", i,
 208                         cx23885_flatiron_read(dev, i));
 209         }
 210 }
 211
 212 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
 213 {
 214         u8 val;
 215         dprintk(1, "%s(input = %d)\n", __func__, input);
 216
 217         if (input == 1)
 218                 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
 219         else if (input == 2)
 220                 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
 221         else
 222                 return -EINVAL;
 223
 224         val |= 0x20; /* Enable clock to delta-sigma and dec filter */
 225
 226         cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
 227
 228         /* Wake up */
 229         cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
 230
 231         if (video_debug)
 232                 cx23885_flatiron_dump(dev);
 233
 234         return 0;
 235 }
 236
 237 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
 238 {
 239         dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
 240                 __func__,
 241                 input, INPUT(input)->vmux,
 242                 INPUT(input)->gpio0, INPUT(input)->gpio1,
 243                 INPUT(input)->gpio2, INPUT(input)->gpio3);
 244         dev->input = input;
 245
 246         if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
 247                 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
 248                 dev->board == CX23885_BOARD_MYGICA_X8507) {
 249                 /* Select Analog TV */
 250                 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
 251                         cx23885_gpio_clear(dev, GPIO_0);
 252         }
 253
 254         /* Tell the internal A/V decoder */
 255         v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
 256                         INPUT(input)->vmux, 0, 0);
 257
 258         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
 259                 (dev->board == CX23885_BOARD_MPX885) ||
 260                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
 261                 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) ||
 262                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
 263                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
 264                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
 265                 (dev->board == CX23885_BOARD_MYGICA_X8507) ||
 266                 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) ||
 267                 (dev->board == CX23885_BOARD_VIEWCAST_260E) ||
 268                 (dev->board == CX23885_BOARD_VIEWCAST_460E)) {
 269                 /* Configure audio routing */
 270                 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
 271                         INPUT(input)->amux, 0, 0);
 272
 273                 if (INPUT(input)->amux == CX25840_AUDIO7)
 274                         cx23885_flatiron_mux(dev, 1);
 275                 else if (INPUT(input)->amux == CX25840_AUDIO6)
 276                         cx23885_flatiron_mux(dev, 2);
 277         }
 278
 279         return 0;
 280 }
 281
 282 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
 283 {
 284         dprintk(1, "%s(input=%d)\n", __func__, input);
 285
 286         /* The baseband video core of the cx23885 has two audio inputs.
 287          * LR1 and LR2. In almost every single case so far only HVR1xxx
 288          * cards we've only ever supported LR1. Time to support LR2,
 289          * which is available via the optional white breakout header on
 290          * the board.
 291          * We'll use a could of existing enums in the card struct to allow
 292          * devs to specify which baseband input they need, or just default
 293          * to what we've always used.
 294          */
 295         if (INPUT(input)->amux == CX25840_AUDIO7)
 296                 cx23885_flatiron_mux(dev, 1);
 297         else if (INPUT(input)->amux == CX25840_AUDIO6)
 298                 cx23885_flatiron_mux(dev, 2);
 299         else {
 300                 /* Not specifically defined, assume the default. */
 301                 cx23885_flatiron_mux(dev, 1);
 302         }
 303
 304         return 0;
 305 }
 306
 307 /* ------------------------------------------------------------------ */
 308 static int cx23885_start_video_dma(struct cx23885_dev *dev,
 309                            struct cx23885_dmaqueue *q,
 310                            struct cx23885_buffer *buf)
 311 {
 312         dprintk(1, "%s()\n", __func__);
 313
 314         /* Stop the dma/fifo before we tamper with it's risc programs */
 315         cx_clear(VID_A_DMA_CTL, 0x11);
 316
 317         /* setup fifo + format */
 318         cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
 319                                 buf->bpl, buf->risc.dma);
 320
 321         /* reset counter */
 322         cx_write(VID_A_GPCNT_CTL, 3);
 323         q->count = 0;
 324
 325         /* enable irq */
 326         cx23885_irq_add_enable(dev, 0x01);
 327         cx_set(VID_A_INT_MSK, 0x000011);
 328
 329         /* start dma */
 330         cx_set(DEV_CNTRL2, (1<<5));
 331         cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
 332
 333         return 0;
 334 }
 335
 336 static int queue_setup(struct vb2_queue *q,
 337                            unsigned int *num_buffers, unsigned int *num_planes,
 338                            unsigned int sizes[], void *alloc_ctxs[])
 339 {
 340         struct cx23885_dev *dev = q->drv_priv;
 341
 342         *num_planes = 1;
 343         sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
 344         alloc_ctxs[0] = dev->alloc_ctx;
 345         return 0;
 346 }
 347
 348 static int buffer_prepare(struct vb2_buffer *vb)
 349 {
 350         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 351         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 352         struct cx23885_buffer *buf =
 353                 container_of(vbuf, struct cx23885_buffer, vb);
 354         u32 line0_offset, line1_offset;
 355         struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
 356         int field_tff;
 357
 358         buf->bpl = (dev->width * dev->fmt->depth) >> 3;
 359
 360         if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
 361                 return -EINVAL;
 362         vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
 363
 364         switch (dev->field) {
 365         case V4L2_FIELD_TOP:
 366                 cx23885_risc_buffer(dev->pci, &buf->risc,
 367                                 sgt->sgl, 0, UNSET,
 368                                 buf->bpl, 0, dev->height);
 369                 break;
 370         case V4L2_FIELD_BOTTOM:
 371                 cx23885_risc_buffer(dev->pci, &buf->risc,
 372                                 sgt->sgl, UNSET, 0,
 373                                 buf->bpl, 0, dev->height);
 374                 break;
 375         case V4L2_FIELD_INTERLACED:
 376                 if (dev->tvnorm & V4L2_STD_525_60)
 377                         /* NTSC or  */
 378                         field_tff = 1;
 379                 else
 380                         field_tff = 0;
 381
 382                 if (cx23885_boards[dev->board].force_bff)
 383                         /* PAL / SECAM OR 888 in NTSC MODE */
 384                         field_tff = 0;
 385
 386                 if (field_tff) {
 387                         /* cx25840 transmits NTSC bottom field first */
 388                         dprintk(1, "%s() Creating TFF/NTSC risc\n",
 389                                         __func__);
 390                         line0_offset = buf->bpl;
 391                         line1_offset = 0;
 392                 } else {
 393                         /* All other formats are top field first */
 394                         dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
 395                                         __func__);
 396                         line0_offset = 0;
 397                         line1_offset = buf->bpl;
 398                 }
 399                 cx23885_risc_buffer(dev->pci, &buf->risc,
 400                                 sgt->sgl, line0_offset,
 401                                 line1_offset,
 402                                 buf->bpl, buf->bpl,
 403                                 dev->height >> 1);
 404                 break;
 405         case V4L2_FIELD_SEQ_TB:
 406                 cx23885_risc_buffer(dev->pci, &buf->risc,
 407                                 sgt->sgl,
 408                                 0, buf->bpl * (dev->height >> 1),
 409                                 buf->bpl, 0,
 410                                 dev->height >> 1);
 411                 break;
 412         case V4L2_FIELD_SEQ_BT:
 413                 cx23885_risc_buffer(dev->pci, &buf->risc,
 414                                 sgt->sgl,
 415                                 buf->bpl * (dev->height >> 1), 0,
 416                                 buf->bpl, 0,
 417                                 dev->height >> 1);
 418                 break;
 419         default:
 420                 BUG();
 421         }
 422         dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 423                 buf, buf->vb.vb2_buf.index,
 424                 dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
 425                 (unsigned long)buf->risc.dma);
 426         return 0;
 427 }
 428
 429 static void buffer_finish(struct vb2_buffer *vb)
 430 {
 431         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 432         struct cx23885_buffer *buf = container_of(vbuf,
 433                 struct cx23885_buffer, vb);
 434
 435         cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
 436 }
 437
 438 /*
 439  * The risc program for each buffer works as follows: it starts with a simple
 440  * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
 441  * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
 442  * the initial JUMP).
 443  *
 444  * This is the risc program of the first buffer to be queued if the active list
 445  * is empty and it just keeps DMAing this buffer without generating any
 446  * interrupts.
 447  *
 448  * If a new buffer is added then the initial JUMP in the code for that buffer
 449  * will generate an interrupt which signals that the previous buffer has been
 450  * DMAed successfully and that it can be returned to userspace.
 451  *
 452  * It also sets the final jump of the previous buffer to the start of the new
 453  * buffer, thus chaining the new buffer into the DMA chain. This is a single
 454  * atomic u32 write, so there is no race condition.
 455  *
 456  * The end-result of all this that you only get an interrupt when a buffer
 457  * is ready, so the control flow is very easy.
 458  */
 459 static void buffer_queue(struct vb2_buffer *vb)
 460 {
 461         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 462         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 463         struct cx23885_buffer   *buf = container_of(vbuf,
 464                 struct cx23885_buffer, vb);
 465         struct cx23885_buffer   *prev;
 466         struct cx23885_dmaqueue *q    = &dev->vidq;
 467         unsigned long flags;
 468
 469         /* add jump to start */
 470         buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
 471         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
 472         buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
 473         buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
 474
 475         spin_lock_irqsave(&dev->slock, flags);
 476         if (list_empty(&q->active)) {
 477                 list_add_tail(&buf->queue, &q->active);
 478                 dprintk(2, "[%p/%d] buffer_queue - first active\n",
 479                         buf, buf->vb.vb2_buf.index);
 480         } else {
 481                 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
 482                 prev = list_entry(q->active.prev, struct cx23885_buffer,
 483                         queue);
 484                 list_add_tail(&buf->queue, &q->active);
 485                 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 486                 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
 487                                 buf, buf->vb.vb2_buf.index);
 488         }
 489         spin_unlock_irqrestore(&dev->slock, flags);
 490 }
 491
 492 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
 493 {
 494         struct cx23885_dev *dev = q->drv_priv;
 495         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 496         struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 497                         struct cx23885_buffer, queue);
 498
 499         cx23885_start_video_dma(dev, dmaq, buf);
 500         return 0;
 501 }
 502
 503 static void cx23885_stop_streaming(struct vb2_queue *q)
 504 {
 505         struct cx23885_dev *dev = q->drv_priv;
 506         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 507         unsigned long flags;
 508
 509         cx_clear(VID_A_DMA_CTL, 0x11);
 510         spin_lock_irqsave(&dev->slock, flags);
 511         while (!list_empty(&dmaq->active)) {
 512                 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 513                         struct cx23885_buffer, queue);
 514
 515                 list_del(&buf->queue);
 516                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 517         }
 518         spin_unlock_irqrestore(&dev->slock, flags);
 519 }
 520
 521 static struct vb2_ops cx23885_video_qops = {
 522         .queue_setup    = queue_setup,
 523         .buf_prepare  = buffer_prepare,
 524         .buf_finish = buffer_finish,
 525         .buf_queue    = buffer_queue,
 526         .wait_prepare = vb2_ops_wait_prepare,
 527         .wait_finish = vb2_ops_wait_finish,
 528         .start_streaming = cx23885_start_streaming,
 529         .stop_streaming = cx23885_stop_streaming,
 530 };
 531
 532 /* ------------------------------------------------------------------ */
 533 /* VIDEO IOCTLS                                                       */
 534
 535 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 536         struct v4l2_format *f)
 537 {
 538         struct cx23885_dev *dev = video_drvdata(file);
 539
 540         f->fmt.pix.width        = dev->width;
 541         f->fmt.pix.height       = dev->height;
 542         f->fmt.pix.field        = dev->field;
 543         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
 544         f->fmt.pix.bytesperline =
 545                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
 546         f->fmt.pix.sizeimage =
 547                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 548         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 549
 550         return 0;
 551 }
 552
 553 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 554         struct v4l2_format *f)
 555 {
 556         struct cx23885_dev *dev = video_drvdata(file);
 557         struct cx23885_fmt *fmt;
 558         enum v4l2_field   field;
 559         unsigned int      maxw, maxh;
 560
 561         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 562         if (NULL == fmt)
 563                 return -EINVAL;
 564
 565         field = f->fmt.pix.field;
 566         maxw  = 720;
 567         maxh  = norm_maxh(dev->tvnorm);
 568
 569         if (V4L2_FIELD_ANY == field) {
 570                 field = (f->fmt.pix.height > maxh/2)
 571                         ? V4L2_FIELD_INTERLACED
 572                         : V4L2_FIELD_BOTTOM;
 573         }
 574
 575         switch (field) {
 576         case V4L2_FIELD_TOP:
 577         case V4L2_FIELD_BOTTOM:
 578                 maxh = maxh / 2;
 579                 break;
 580         case V4L2_FIELD_INTERLACED:
 581         case V4L2_FIELD_SEQ_TB:
 582         case V4L2_FIELD_SEQ_BT:
 583                 break;
 584         default:
 585                 field = V4L2_FIELD_INTERLACED;
 586                 break;
 587         }
 588
 589         f->fmt.pix.field = field;
 590         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 591                               &f->fmt.pix.height, 32, maxh, 0, 0);
 592         f->fmt.pix.bytesperline =
 593                 (f->fmt.pix.width * fmt->depth) >> 3;
 594         f->fmt.pix.sizeimage =
 595                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 596         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 597
 598         return 0;
 599 }
 600
 601 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 602         struct v4l2_format *f)
 603 {
 604         struct cx23885_dev *dev = video_drvdata(file);
 605         struct v4l2_subdev_format format = {
 606                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
 607         };
 608         int err;
 609
 610         dprintk(2, "%s()\n", __func__);
 611         err = vidioc_try_fmt_vid_cap(file, priv, f);
 612
 613         if (0 != err)
 614                 return err;
 615
 616         if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 617             vb2_is_busy(&dev->vb2_mpegq))
 618                 return -EBUSY;
 619
 620         dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
 621         dev->width      = f->fmt.pix.width;
 622         dev->height     = f->fmt.pix.height;
 623         dev->field      = f->fmt.pix.field;
 624         dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
 625                 dev->width, dev->height, dev->field);
 626         v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
 627         call_all(dev, pad, set_fmt, NULL, &format);
 628         v4l2_fill_pix_format(&f->fmt.pix, &format.format);
 629         /* set_fmt overwrites f->fmt.pix.field, restore it */
 630         f->fmt.pix.field = dev->field;
 631         return 0;
 632 }
 633
 634 static int vidioc_querycap(struct file *file, void  *priv,
 635         struct v4l2_capability *cap)
 636 {
 637         struct cx23885_dev *dev = video_drvdata(file);
 638         struct video_device *vdev = video_devdata(file);
 639
 640         strcpy(cap->driver, "cx23885");
 641         strlcpy(cap->card, cx23885_boards[dev->board].name,
 642                 sizeof(cap->card));
 643         sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
 644         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO;
 645         if (dev->tuner_type != TUNER_ABSENT)
 646                 cap->device_caps |= V4L2_CAP_TUNER;
 647         if (vdev->vfl_type == VFL_TYPE_VBI)
 648                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
 649         else
 650                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
 651         cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE |
 652                 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS;
 653         return 0;
 654 }
 655
 656 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 657         struct v4l2_fmtdesc *f)
 658 {
 659         if (unlikely(f->index >= ARRAY_SIZE(formats)))
 660                 return -EINVAL;
 661
 662         strlcpy(f->description, formats[f->index].name,
 663                 sizeof(f->description));
 664         f->pixelformat = formats[f->index].fourcc;
 665
 666         return 0;
 667 }
 668
 669 static int vidioc_cropcap(struct file *file, void *priv,
 670                           struct v4l2_cropcap *cc)
 671 {
 672         struct cx23885_dev *dev = video_drvdata(file);
 673         bool is_50hz = dev->tvnorm & V4L2_STD_625_50;
 674
 675         if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 676                 return -EINVAL;
 677
 678         cc->bounds.left = 0;
 679         cc->bounds.top = 0;
 680         cc->bounds.width = 720;
 681         cc->bounds.height = norm_maxh(dev->tvnorm);
 682         cc->defrect = cc->bounds;
 683         cc->pixelaspect.numerator = is_50hz ? 54 : 11;
 684         cc->pixelaspect.denominator = is_50hz ? 59 : 10;
 685
 686         return 0;
 687 }
 688
 689 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
 690 {
 691         struct cx23885_dev *dev = video_drvdata(file);
 692         dprintk(1, "%s()\n", __func__);
 693
 694         *id = dev->tvnorm;
 695         return 0;
 696 }
 697
 698 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 699 {
 700         struct cx23885_dev *dev = video_drvdata(file);
 701         dprintk(1, "%s()\n", __func__);
 702
 703         return cx23885_set_tvnorm(dev, tvnorms);
 704 }
 705
 706 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
 707 {
 708         static const char *iname[] = {
 709                 [CX23885_VMUX_COMPOSITE1] = "Composite1",
 710                 [CX23885_VMUX_COMPOSITE2] = "Composite2",
 711                 [CX23885_VMUX_COMPOSITE3] = "Composite3",
 712                 [CX23885_VMUX_COMPOSITE4] = "Composite4",
 713                 [CX23885_VMUX_SVIDEO]     = "S-Video",
 714                 [CX23885_VMUX_COMPONENT]  = "Component",
 715                 [CX23885_VMUX_TELEVISION] = "Television",
 716                 [CX23885_VMUX_CABLE]      = "Cable TV",
 717                 [CX23885_VMUX_DVB]        = "DVB",
 718                 [CX23885_VMUX_DEBUG]      = "for debug only",
 719         };
 720         unsigned int n;
 721         dprintk(1, "%s()\n", __func__);
 722
 723         n = i->index;
 724         if (n >= MAX_CX23885_INPUT)
 725                 return -EINVAL;
 726
 727         if (0 == INPUT(n)->type)
 728                 return -EINVAL;
 729
 730         i->index = n;
 731         i->type  = V4L2_INPUT_TYPE_CAMERA;
 732         strcpy(i->name, iname[INPUT(n)->type]);
 733         i->std = CX23885_NORMS;
 734         if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
 735                 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
 736                 i->type = V4L2_INPUT_TYPE_TUNER;
 737                 i->audioset = 4;
 738         } else {
 739                 /* Two selectable audio inputs for non-tv inputs */
 740                 i->audioset = 3;
 741         }
 742
 743         if (dev->input == n) {
 744                 /* enum'd input matches our configured input.
 745                  * Ask the video decoder to process the call
 746                  * and give it an oppertunity to update the
 747                  * status field.
 748                  */
 749                 call_all(dev, video, g_input_status, &i->status);
 750         }
 751
 752         return 0;
 753 }
 754
 755 static int vidioc_enum_input(struct file *file, void *priv,
 756                                 struct v4l2_input *i)
 757 {
 758         struct cx23885_dev *dev = video_drvdata(file);
 759         dprintk(1, "%s()\n", __func__);
 760         return cx23885_enum_input(dev, i);
 761 }
 762
 763 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
 764 {
 765         struct cx23885_dev *dev = video_drvdata(file);
 766
 767         *i = dev->input;
 768         dprintk(1, "%s() returns %d\n", __func__, *i);
 769         return 0;
 770 }
 771
 772 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 773 {
 774         return cx23885_get_input(file, priv, i);
 775 }
 776
 777 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
 778 {
 779         struct cx23885_dev *dev = video_drvdata(file);
 780
 781         dprintk(1, "%s(%d)\n", __func__, i);
 782
 783         if (i >= MAX_CX23885_INPUT) {
 784                 dprintk(1, "%s() -EINVAL\n", __func__);
 785                 return -EINVAL;
 786         }
 787
 788         if (INPUT(i)->type == 0)
 789                 return -EINVAL;
 790
 791         cx23885_video_mux(dev, i);
 792
 793         /* By default establish the default audio input for the card also */
 794         /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
 795         cx23885_audio_mux(dev, i);
 796         return 0;
 797 }
 798
 799 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 800 {
 801         return cx23885_set_input(file, priv, i);
 802 }
 803
 804 static int vidioc_log_status(struct file *file, void *priv)
 805 {
 806         struct cx23885_dev *dev = video_drvdata(file);
 807
 808         call_all(dev, core, log_status);
 809         return 0;
 810 }
 811
 812 static int cx23885_query_audinput(struct file *file, void *priv,
 813         struct v4l2_audio *i)
 814 {
 815         struct cx23885_dev *dev = video_drvdata(file);
 816         static const char *iname[] = {
 817                 [0] = "Baseband L/R 1",
 818                 [1] = "Baseband L/R 2",
 819                 [2] = "TV",
 820         };
 821         unsigned int n;
 822         dprintk(1, "%s()\n", __func__);
 823
 824         n = i->index;
 825         if (n >= 3)
 826                 return -EINVAL;
 827
 828         memset(i, 0, sizeof(*i));
 829         i->index = n;
 830         strcpy(i->name, iname[n]);
 831         i->capability = V4L2_AUDCAP_STEREO;
 832         return 0;
 833
 834 }
 835
 836 static int vidioc_enum_audinput(struct file *file, void *priv,
 837                                 struct v4l2_audio *i)
 838 {
 839         return cx23885_query_audinput(file, priv, i);
 840 }
 841
 842 static int vidioc_g_audinput(struct file *file, void *priv,
 843         struct v4l2_audio *i)
 844 {
 845         struct cx23885_dev *dev = video_drvdata(file);
 846
 847         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 848                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type))
 849                 i->index = 2;
 850         else
 851                 i->index = dev->audinput;
 852         dprintk(1, "%s(input=%d)\n", __func__, i->index);
 853
 854         return cx23885_query_audinput(file, priv, i);
 855 }
 856
 857 static int vidioc_s_audinput(struct file *file, void *priv,
 858         const 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                 return i->index != 2 ? -EINVAL : 0;
 865         }
 866         if (i->index > 1)
 867                 return -EINVAL;
 868
 869         dprintk(1, "%s(%d)\n", __func__, i->index);
 870
 871         dev->audinput = i->index;
 872
 873         /* Skip the audio defaults from the cards struct, caller wants
 874          * directly touch the audio mux hardware. */
 875         cx23885_flatiron_mux(dev, dev->audinput + 1);
 876         return 0;
 877 }
 878
 879 static int vidioc_g_tuner(struct file *file, void *priv,
 880                                 struct v4l2_tuner *t)
 881 {
 882         struct cx23885_dev *dev = video_drvdata(file);
 883
 884         if (dev->tuner_type == TUNER_ABSENT)
 885                 return -EINVAL;
 886         if (0 != t->index)
 887                 return -EINVAL;
 888
 889         strcpy(t->name, "Television");
 890
 891         call_all(dev, tuner, g_tuner, t);
 892         return 0;
 893 }
 894
 895 static int vidioc_s_tuner(struct file *file, void *priv,
 896                                 const struct v4l2_tuner *t)
 897 {
 898         struct cx23885_dev *dev = video_drvdata(file);
 899
 900         if (dev->tuner_type == TUNER_ABSENT)
 901                 return -EINVAL;
 902         if (0 != t->index)
 903                 return -EINVAL;
 904         /* Update the A/V core */
 905         call_all(dev, tuner, s_tuner, t);
 906
 907         return 0;
 908 }
 909
 910 static int vidioc_g_frequency(struct file *file, void *priv,
 911                                 struct v4l2_frequency *f)
 912 {
 913         struct cx23885_dev *dev = video_drvdata(file);
 914
 915         if (dev->tuner_type == TUNER_ABSENT)
 916                 return -EINVAL;
 917
 918         f->type = V4L2_TUNER_ANALOG_TV;
 919         f->frequency = dev->freq;
 920
 921         call_all(dev, tuner, g_frequency, f);
 922
 923         return 0;
 924 }
 925
 926 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
 927 {
 928         struct v4l2_ctrl *mute;
 929         int old_mute_val = 1;
 930
 931         if (dev->tuner_type == TUNER_ABSENT)
 932                 return -EINVAL;
 933         if (unlikely(f->tuner != 0))
 934                 return -EINVAL;
 935
 936         dev->freq = f->frequency;
 937
 938         /* I need to mute audio here */
 939         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
 940         if (mute) {
 941                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
 942                 if (!old_mute_val)
 943                         v4l2_ctrl_s_ctrl(mute, 1);
 944         }
 945
 946         call_all(dev, tuner, s_frequency, f);
 947
 948         /* When changing channels it is required to reset TVAUDIO */
 949         msleep(100);
 950
 951         /* I need to unmute audio here */
 952         if (old_mute_val == 0)
 953                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
 954
 955         return 0;
 956 }
 957
 958 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
 959         const struct v4l2_frequency *f)
 960 {
 961         struct v4l2_ctrl *mute;
 962         int old_mute_val = 1;
 963         struct vb2_dvb_frontend *vfe;
 964         struct dvb_frontend *fe;
 965
 966         struct analog_parameters params = {
 967                 .mode      = V4L2_TUNER_ANALOG_TV,
 968                 .audmode   = V4L2_TUNER_MODE_STEREO,
 969                 .std       = dev->tvnorm,
 970                 .frequency = f->frequency
 971         };
 972
 973         dev->freq = f->frequency;
 974
 975         /* I need to mute audio here */
 976         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
 977         if (mute) {
 978                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
 979                 if (!old_mute_val)
 980                         v4l2_ctrl_s_ctrl(mute, 1);
 981         }
 982
 983         /* If HVR1850 */
 984         dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
 985                 params.frequency, f->tuner, params.std);
 986
 987         vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
 988         if (!vfe) {
 989                 return -EINVAL;
 990         }
 991
 992         fe = vfe->dvb.frontend;
 993
 994         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
 995             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
 996             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111))
 997                 fe = &dev->ts1.analog_fe;
 998
 999         if (fe && fe->ops.tuner_ops.set_analog_params) {
1000                 call_all(dev, video, s_std, dev->tvnorm);
1001                 fe->ops.tuner_ops.set_analog_params(fe, &params);
1002         }
1003         else
1004                 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
1005
1006         /* When changing channels it is required to reset TVAUDIO */
1007         msleep(100);
1008
1009         /* I need to unmute audio here */
1010         if (old_mute_val == 0)
1011                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1012
1013         return 0;
1014 }
1015
1016 int cx23885_set_frequency(struct file *file, void *priv,
1017         const struct v4l2_frequency *f)
1018 {
1019         struct cx23885_dev *dev = video_drvdata(file);
1020         int ret;
1021
1022         switch (dev->board) {
1023         case CX23885_BOARD_HAUPPAUGE_HVR1255:
1024         case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1025         case CX23885_BOARD_HAUPPAUGE_HVR1850:
1026                 ret = cx23885_set_freq_via_ops(dev, f);
1027                 break;
1028         default:
1029                 ret = cx23885_set_freq(dev, f);
1030         }
1031
1032         return ret;
1033 }
1034
1035 static int vidioc_s_frequency(struct file *file, void *priv,
1036         const struct v4l2_frequency *f)
1037 {
1038         return cx23885_set_frequency(file, priv, f);
1039 }
1040
1041 /* ----------------------------------------------------------- */
1042
1043 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1044 {
1045         u32 mask, count;
1046         int handled = 0;
1047
1048         mask   = cx_read(VID_A_INT_MSK);
1049         if (0 == (status & mask))
1050                 return handled;
1051
1052         cx_write(VID_A_INT_STAT, status);
1053
1054         /* risc op code error, fifo overflow or line sync detection error */
1055         if ((status & VID_BC_MSK_OPC_ERR) ||
1056                 (status & VID_BC_MSK_SYNC) ||
1057                 (status & VID_BC_MSK_OF)) {
1058
1059                 if (status & VID_BC_MSK_OPC_ERR) {
1060                         dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1061                                 VID_BC_MSK_OPC_ERR);
1062                         printk(KERN_WARNING "%s: video risc op code error\n",
1063                                 dev->name);
1064                         cx23885_sram_channel_dump(dev,
1065                                 &dev->sram_channels[SRAM_CH01]);
1066                 }
1067
1068                 if (status & VID_BC_MSK_SYNC)
1069                         dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
1070                                 "video lines miss-match\n",
1071                                 VID_BC_MSK_SYNC);
1072
1073                 if (status & VID_BC_MSK_OF)
1074                         dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1075                                 VID_BC_MSK_OF);
1076
1077         }
1078
1079         /* Video */
1080         if (status & VID_BC_MSK_RISCI1) {
1081                 spin_lock(&dev->slock);
1082                 count = cx_read(VID_A_GPCNT);
1083                 cx23885_video_wakeup(dev, &dev->vidq, count);
1084                 spin_unlock(&dev->slock);
1085                 handled++;
1086         }
1087
1088         /* Allow the VBI framework to process it's payload */
1089         handled += cx23885_vbi_irq(dev, status);
1090
1091         return handled;
1092 }
1093
1094 /* ----------------------------------------------------------- */
1095 /* exported stuff                                              */
1096
1097 static const struct v4l2_file_operations video_fops = {
1098         .owner         = THIS_MODULE,
1099         .open           = v4l2_fh_open,
1100         .release        = vb2_fop_release,
1101         .read           = vb2_fop_read,
1102         .poll           = vb2_fop_poll,
1103         .unlocked_ioctl = video_ioctl2,
1104         .mmap           = vb2_fop_mmap,
1105 };
1106
1107 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1108         .vidioc_querycap      = vidioc_querycap,
1109         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1110         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1111         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1112         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1113         .vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1114         .vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1115         .vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1116         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1117         .vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
1118         .vidioc_querybuf      = vb2_ioctl_querybuf,
1119         .vidioc_qbuf          = vb2_ioctl_qbuf,
1120         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1121         .vidioc_streamon      = vb2_ioctl_streamon,
1122         .vidioc_streamoff     = vb2_ioctl_streamoff,
1123         .vidioc_cropcap       = vidioc_cropcap,
1124         .vidioc_s_std         = vidioc_s_std,
1125         .vidioc_g_std         = vidioc_g_std,
1126         .vidioc_enum_input    = vidioc_enum_input,
1127         .vidioc_g_input       = vidioc_g_input,
1128         .vidioc_s_input       = vidioc_s_input,
1129         .vidioc_log_status    = vidioc_log_status,
1130         .vidioc_g_tuner       = vidioc_g_tuner,
1131         .vidioc_s_tuner       = vidioc_s_tuner,
1132         .vidioc_g_frequency   = vidioc_g_frequency,
1133         .vidioc_s_frequency   = vidioc_s_frequency,
1134 #ifdef CONFIG_VIDEO_ADV_DEBUG
1135         .vidioc_g_chip_info   = cx23885_g_chip_info,
1136         .vidioc_g_register    = cx23885_g_register,
1137         .vidioc_s_register    = cx23885_s_register,
1138 #endif
1139         .vidioc_enumaudio     = vidioc_enum_audinput,
1140         .vidioc_g_audio       = vidioc_g_audinput,
1141         .vidioc_s_audio       = vidioc_s_audinput,
1142         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1143         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1144 };
1145
1146 static struct video_device cx23885_vbi_template;
1147 static struct video_device cx23885_video_template = {
1148         .name                 = "cx23885-video",
1149         .fops                 = &video_fops,
1150         .ioctl_ops            = &video_ioctl_ops,
1151         .tvnorms              = CX23885_NORMS,
1152 };
1153
1154 void cx23885_video_unregister(struct cx23885_dev *dev)
1155 {
1156         dprintk(1, "%s()\n", __func__);
1157         cx23885_irq_remove(dev, 0x01);
1158
1159         if (dev->vbi_dev) {
1160                 if (video_is_registered(dev->vbi_dev))
1161                         video_unregister_device(dev->vbi_dev);
1162                 else
1163                         video_device_release(dev->vbi_dev);
1164                 dev->vbi_dev = NULL;
1165         }
1166         if (dev->video_dev) {
1167                 if (video_is_registered(dev->video_dev))
1168                         video_unregister_device(dev->video_dev);
1169                 else
1170                         video_device_release(dev->video_dev);
1171                 dev->video_dev = NULL;
1172         }
1173
1174         if (dev->audio_dev)
1175                 cx23885_audio_unregister(dev);
1176 }
1177
1178 int cx23885_video_register(struct cx23885_dev *dev)
1179 {
1180         struct vb2_queue *q;
1181         int err;
1182
1183         dprintk(1, "%s()\n", __func__);
1184
1185         /* Initialize VBI template */
1186         cx23885_vbi_template = cx23885_video_template;
1187         strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1188
1189         dev->tvnorm = V4L2_STD_NTSC_M;
1190         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1191         dev->field = V4L2_FIELD_INTERLACED;
1192         dev->width = 720;
1193         dev->height = norm_maxh(dev->tvnorm);
1194
1195         /* init video dma queues */
1196         INIT_LIST_HEAD(&dev->vidq.active);
1197
1198         /* init vbi dma queues */
1199         INIT_LIST_HEAD(&dev->vbiq.active);
1200
1201         cx23885_irq_add_enable(dev, 0x01);
1202
1203         if ((TUNER_ABSENT != dev->tuner_type) &&
1204                         ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1205                 struct v4l2_subdev *sd = NULL;
1206
1207                 if (dev->tuner_addr)
1208                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1209                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1210                                 "tuner", dev->tuner_addr, NULL);
1211                 else
1212                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1213                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1214                                 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1215                 if (sd) {
1216                         struct tuner_setup tun_setup;
1217
1218                         memset(&tun_setup, 0, sizeof(tun_setup));
1219                         tun_setup.mode_mask = T_ANALOG_TV;
1220                         tun_setup.type = dev->tuner_type;
1221                         tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1222                         tun_setup.tuner_callback = cx23885_tuner_callback;
1223
1224                         v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1225
1226                         if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1227                             (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1228                                 struct xc2028_ctrl ctrl = {
1229                                         .fname = XC2028_DEFAULT_FIRMWARE,
1230                                         .max_len = 64
1231                                 };
1232                                 struct v4l2_priv_tun_config cfg = {
1233                                         .tuner = dev->tuner_type,
1234                                         .priv = &ctrl
1235                                 };
1236                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1237                         }
1238
1239                         if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1240                                 struct xc2028_ctrl ctrl = {
1241                                         .fname = "xc3028L-v36.fw",
1242                                         .max_len = 64
1243                                 };
1244                                 struct v4l2_priv_tun_config cfg = {
1245                                         .tuner = dev->tuner_type,
1246                                         .priv = &ctrl
1247                                 };
1248                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1249                         }
1250                 }
1251         }
1252
1253         /* initial device configuration */
1254         mutex_lock(&dev->lock);
1255         cx23885_set_tvnorm(dev, dev->tvnorm);
1256         cx23885_video_mux(dev, 0);
1257         cx23885_audio_mux(dev, 0);
1258         mutex_unlock(&dev->lock);
1259
1260         q = &dev->vb2_vidq;
1261         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1262         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1263         q->gfp_flags = GFP_DMA32;
1264         q->min_buffers_needed = 2;
1265         q->drv_priv = dev;
1266         q->buf_struct_size = sizeof(struct cx23885_buffer);
1267         q->ops = &cx23885_video_qops;
1268         q->mem_ops = &vb2_dma_sg_memops;
1269         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1270         q->lock = &dev->lock;
1271
1272         err = vb2_queue_init(q);
1273         if (err < 0)
1274                 goto fail_unreg;
1275
1276         q = &dev->vb2_vbiq;
1277         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1278         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1279         q->gfp_flags = GFP_DMA32;
1280         q->min_buffers_needed = 2;
1281         q->drv_priv = dev;
1282         q->buf_struct_size = sizeof(struct cx23885_buffer);
1283         q->ops = &cx23885_vbi_qops;
1284         q->mem_ops = &vb2_dma_sg_memops;
1285         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1286         q->lock = &dev->lock;
1287
1288         err = vb2_queue_init(q);
1289         if (err < 0)
1290                 goto fail_unreg;
1291
1292         /* register Video device */
1293         dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1294                 &cx23885_video_template, "video");
1295         dev->video_dev->queue = &dev->vb2_vidq;
1296         err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1297                                     video_nr[dev->nr]);
1298         if (err < 0) {
1299                 printk(KERN_INFO "%s: can't register video device\n",
1300                         dev->name);
1301                 goto fail_unreg;
1302         }
1303         printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1304                dev->name, video_device_node_name(dev->video_dev));
1305
1306         /* register VBI device */
1307         dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1308                 &cx23885_vbi_template, "vbi");
1309         dev->vbi_dev->queue = &dev->vb2_vbiq;
1310         err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1311                                     vbi_nr[dev->nr]);
1312         if (err < 0) {
1313                 printk(KERN_INFO "%s: can't register vbi device\n",
1314                         dev->name);
1315                 goto fail_unreg;
1316         }
1317         printk(KERN_INFO "%s: registered device %s\n",
1318                dev->name, video_device_node_name(dev->vbi_dev));
1319
1320         /* Register ALSA audio device */
1321         dev->audio_dev = cx23885_audio_register(dev);
1322
1323         return 0;
1324
1325 fail_unreg:
1326         cx23885_video_unregister(dev);
1327         return err;
1328 }