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 "cx23885.h"
  19 #include "cx23885-video.h"
  20
  21 #include <linux/init.h>
  22 #include <linux/list.h>
  23 #include <linux/module.h>
  24 #include <linux/moduleparam.h>
  25 #include <linux/kmod.h>
  26 #include <linux/kernel.h>
  27 #include <linux/slab.h>
  28 #include <linux/interrupt.h>
  29 #include <linux/delay.h>
  30 #include <linux/kthread.h>
  31 #include <asm/div64.h>
  32
  33 #include <media/v4l2-common.h>
  34 #include <media/v4l2-ioctl.h>
  35 #include <media/v4l2-event.h>
  36 #include "cx23885-ioctl.h"
  37 #include "tuner-xc2028.h"
  38
  39 #include <media/drv-intf/cx25840.h>
  40
  41 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
  42 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
  43 MODULE_LICENSE("GPL");
  44
  45 /* ------------------------------------------------------------------ */
  46
  47 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  48 static unsigned int vbi_nr[]   = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  49
  50 module_param_array(video_nr, int, NULL, 0444);
  51 module_param_array(vbi_nr,   int, NULL, 0444);
  52
  53 MODULE_PARM_DESC(video_nr, "video device numbers");
  54 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
  55
  56 static unsigned int video_debug;
  57 module_param(video_debug, int, 0644);
  58 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
  59
  60 static unsigned int irq_debug;
  61 module_param(irq_debug, int, 0644);
  62 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
  63
  64 static unsigned int vid_limit = 16;
  65 module_param(vid_limit, int, 0644);
  66 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
  67
  68 #define dprintk(level, fmt, arg...)\
  69         do { if (video_debug >= level)\
  70                 printk(KERN_DEBUG pr_fmt("%s: video:" fmt), \
  71                         __func__, ##arg); \
  72         } while (0)
  73
  74 /* ------------------------------------------------------------------- */
  75 /* static data                                                         */
  76
  77 #define FORMAT_FLAGS_PACKED       0x01
  78 static struct cx23885_fmt formats[] = {
  79         {
  80                 .name     = "4:2:2, packed, YUYV",
  81                 .fourcc   = V4L2_PIX_FMT_YUYV,
  82                 .depth    = 16,
  83                 .flags    = FORMAT_FLAGS_PACKED,
  84         }
  85 };
  86
  87 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
  88 {
  89         unsigned int i;
  90
  91         for (i = 0; i < ARRAY_SIZE(formats); i++)
  92                 if (formats[i].fourcc == fourcc)
  93                         return formats+i;
  94         return NULL;
  95 }
  96
  97 /* ------------------------------------------------------------------- */
  98
  99 void cx23885_video_wakeup(struct cx23885_dev *dev,
 100         struct cx23885_dmaqueue *q, u32 count)
 101 {
 102         struct cx23885_buffer *buf;
 103
 104         if (list_empty(&q->active))
 105                 return;
 106         buf = list_entry(q->active.next,
 107                         struct cx23885_buffer, queue);
 108
 109         buf->vb.sequence = q->count++;
 110         buf->vb.vb2_buf.timestamp = ktime_get_ns();
 111         dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf,
 112                         buf->vb.vb2_buf.index, count, q->count);
 113         list_del(&buf->queue);
 114         vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 115 }
 116
 117 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
 118 {
 119         struct v4l2_subdev_format format = {
 120                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
 121                 .format.code = MEDIA_BUS_FMT_FIXED,
 122         };
 123
 124         dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
 125                 __func__,
 126                 (unsigned int)norm,
 127                 v4l2_norm_to_name(norm));
 128
 129         if (dev->tvnorm == norm)
 130                 return 0;
 131
 132         if (dev->tvnorm != norm) {
 133                 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 134                     vb2_is_busy(&dev->vb2_mpegq))
 135                         return -EBUSY;
 136         }
 137
 138         dev->tvnorm = norm;
 139         dev->width = 720;
 140         dev->height = norm_maxh(norm);
 141         dev->field = V4L2_FIELD_INTERLACED;
 142
 143         call_all(dev, video, s_std, norm);
 144
 145         format.format.width = dev->width;
 146         format.format.height = dev->height;
 147         format.format.field = dev->field;
 148         call_all(dev, pad, set_fmt, NULL, &format);
 149
 150         return 0;
 151 }
 152
 153 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
 154                                     struct pci_dev *pci,
 155                                     struct video_device *template,
 156                                     char *type)
 157 {
 158         struct video_device *vfd;
 159         dprintk(1, "%s()\n", __func__);
 160
 161         vfd = video_device_alloc();
 162         if (NULL == vfd)
 163                 return NULL;
 164         *vfd = *template;
 165         vfd->v4l2_dev = &dev->v4l2_dev;
 166         vfd->release = video_device_release;
 167         vfd->lock = &dev->lock;
 168         snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
 169                  cx23885_boards[dev->board].name, type);
 170         video_set_drvdata(vfd, dev);
 171         return vfd;
 172 }
 173
 174 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
 175 {
 176         /* 8 bit registers, 8 bit values */
 177         u8 buf[] = { reg, data };
 178
 179         struct i2c_msg msg = { .addr = 0x98 >> 1,
 180                 .flags = 0, .buf = buf, .len = 2 };
 181
 182         return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
 183 }
 184
 185 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
 186 {
 187         /* 8 bit registers, 8 bit values */
 188         int ret;
 189         u8 b0[] = { reg };
 190         u8 b1[] = { 0 };
 191
 192         struct i2c_msg msg[] = {
 193                 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
 194                 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
 195         };
 196
 197         ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
 198         if (ret != 2)
 199                 pr_err("%s() error\n", __func__);
 200
 201         return b1[0];
 202 }
 203
 204 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
 205 {
 206         int i;
 207         dprintk(1, "Flatiron dump\n");
 208         for (i = 0; i < 0x24; i++) {
 209                 dprintk(1, "FI[%02x] = %02x\n", i,
 210                         cx23885_flatiron_read(dev, i));
 211         }
 212 }
 213
 214 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
 215 {
 216         u8 val;
 217         dprintk(1, "%s(input = %d)\n", __func__, input);
 218
 219         if (input == 1)
 220                 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
 221         else if (input == 2)
 222                 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
 223         else
 224                 return -EINVAL;
 225
 226         val |= 0x20; /* Enable clock to delta-sigma and dec filter */
 227
 228         cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
 229
 230         /* Wake up */
 231         cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
 232
 233         if (video_debug)
 234                 cx23885_flatiron_dump(dev);
 235
 236         return 0;
 237 }
 238
 239 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
 240 {
 241         dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
 242                 __func__,
 243                 input, INPUT(input)->vmux,
 244                 INPUT(input)->gpio0, INPUT(input)->gpio1,
 245                 INPUT(input)->gpio2, INPUT(input)->gpio3);
 246         dev->input = input;
 247
 248         if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
 249                 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
 250                 dev->board == CX23885_BOARD_MYGICA_X8507) {
 251                 /* Select Analog TV */
 252                 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
 253                         cx23885_gpio_clear(dev, GPIO_0);
 254         }
 255
 256         /* Tell the internal A/V decoder */
 257         v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
 258                         INPUT(input)->vmux, 0, 0);
 259
 260         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
 261                 (dev->board == CX23885_BOARD_MPX885) ||
 262                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
 263                 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) ||
 264                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
 265                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
 266                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) ||
 267                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
 268                 (dev->board == CX23885_BOARD_MYGICA_X8507) ||
 269                 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) ||
 270                 (dev->board == CX23885_BOARD_VIEWCAST_260E) ||
 271                 (dev->board == CX23885_BOARD_VIEWCAST_460E) ||
 272                 (dev->board == CX23885_BOARD_AVERMEDIA_CE310B)) {
 273                 /* Configure audio routing */
 274                 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
 275                         INPUT(input)->amux, 0, 0);
 276
 277                 if (INPUT(input)->amux == CX25840_AUDIO7)
 278                         cx23885_flatiron_mux(dev, 1);
 279                 else if (INPUT(input)->amux == CX25840_AUDIO6)
 280                         cx23885_flatiron_mux(dev, 2);
 281         }
 282
 283         return 0;
 284 }
 285
 286 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
 287 {
 288         dprintk(1, "%s(input=%d)\n", __func__, input);
 289
 290         /* The baseband video core of the cx23885 has two audio inputs.
 291          * LR1 and LR2. In almost every single case so far only HVR1xxx
 292          * cards we've only ever supported LR1. Time to support LR2,
 293          * which is available via the optional white breakout header on
 294          * the board.
 295          * We'll use a could of existing enums in the card struct to allow
 296          * devs to specify which baseband input they need, or just default
 297          * to what we've always used.
 298          */
 299         if (INPUT(input)->amux == CX25840_AUDIO7)
 300                 cx23885_flatiron_mux(dev, 1);
 301         else if (INPUT(input)->amux == CX25840_AUDIO6)
 302                 cx23885_flatiron_mux(dev, 2);
 303         else {
 304                 /* Not specifically defined, assume the default. */
 305                 cx23885_flatiron_mux(dev, 1);
 306         }
 307
 308         return 0;
 309 }
 310
 311 /* ------------------------------------------------------------------ */
 312 static int cx23885_start_video_dma(struct cx23885_dev *dev,
 313                            struct cx23885_dmaqueue *q,
 314                            struct cx23885_buffer *buf)
 315 {
 316         dprintk(1, "%s()\n", __func__);
 317
 318         /* Stop the dma/fifo before we tamper with it's risc programs */
 319         cx_clear(VID_A_DMA_CTL, 0x11);
 320
 321         /* setup fifo + format */
 322         cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
 323                                 buf->bpl, buf->risc.dma);
 324
 325         /* reset counter */
 326         cx_write(VID_A_GPCNT_CTL, 3);
 327         q->count = 0;
 328
 329         /* enable irq */
 330         cx23885_irq_add_enable(dev, 0x01);
 331         cx_set(VID_A_INT_MSK, 0x000011);
 332
 333         /* start dma */
 334         cx_set(DEV_CNTRL2, (1<<5));
 335         cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
 336
 337         return 0;
 338 }
 339
 340 static int queue_setup(struct vb2_queue *q,
 341                            unsigned int *num_buffers, unsigned int *num_planes,
 342                            unsigned int sizes[], struct device *alloc_devs[])
 343 {
 344         struct cx23885_dev *dev = q->drv_priv;
 345
 346         *num_planes = 1;
 347         sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
 348         return 0;
 349 }
 350
 351 static int buffer_prepare(struct vb2_buffer *vb)
 352 {
 353         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 354         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 355         struct cx23885_buffer *buf =
 356                 container_of(vbuf, struct cx23885_buffer, vb);
 357         u32 line0_offset, line1_offset;
 358         struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
 359         int field_tff;
 360
 361         buf->bpl = (dev->width * dev->fmt->depth) >> 3;
 362
 363         if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
 364                 return -EINVAL;
 365         vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
 366
 367         switch (dev->field) {
 368         case V4L2_FIELD_TOP:
 369                 cx23885_risc_buffer(dev->pci, &buf->risc,
 370                                 sgt->sgl, 0, UNSET,
 371                                 buf->bpl, 0, dev->height);
 372                 break;
 373         case V4L2_FIELD_BOTTOM:
 374                 cx23885_risc_buffer(dev->pci, &buf->risc,
 375                                 sgt->sgl, UNSET, 0,
 376                                 buf->bpl, 0, dev->height);
 377                 break;
 378         case V4L2_FIELD_INTERLACED:
 379                 if (dev->tvnorm & V4L2_STD_525_60)
 380                         /* NTSC or  */
 381                         field_tff = 1;
 382                 else
 383                         field_tff = 0;
 384
 385                 if (cx23885_boards[dev->board].force_bff)
 386                         /* PAL / SECAM OR 888 in NTSC MODE */
 387                         field_tff = 0;
 388
 389                 if (field_tff) {
 390                         /* cx25840 transmits NTSC bottom field first */
 391                         dprintk(1, "%s() Creating TFF/NTSC risc\n",
 392                                         __func__);
 393                         line0_offset = buf->bpl;
 394                         line1_offset = 0;
 395                 } else {
 396                         /* All other formats are top field first */
 397                         dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
 398                                         __func__);
 399                         line0_offset = 0;
 400                         line1_offset = buf->bpl;
 401                 }
 402                 cx23885_risc_buffer(dev->pci, &buf->risc,
 403                                 sgt->sgl, line0_offset,
 404                                 line1_offset,
 405                                 buf->bpl, buf->bpl,
 406                                 dev->height >> 1);
 407                 break;
 408         case V4L2_FIELD_SEQ_TB:
 409                 cx23885_risc_buffer(dev->pci, &buf->risc,
 410                                 sgt->sgl,
 411                                 0, buf->bpl * (dev->height >> 1),
 412                                 buf->bpl, 0,
 413                                 dev->height >> 1);
 414                 break;
 415         case V4L2_FIELD_SEQ_BT:
 416                 cx23885_risc_buffer(dev->pci, &buf->risc,
 417                                 sgt->sgl,
 418                                 buf->bpl * (dev->height >> 1), 0,
 419                                 buf->bpl, 0,
 420                                 dev->height >> 1);
 421                 break;
 422         default:
 423                 BUG();
 424         }
 425         dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 426                 buf, buf->vb.vb2_buf.index,
 427                 dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
 428                 (unsigned long)buf->risc.dma);
 429         return 0;
 430 }
 431
 432 static void buffer_finish(struct vb2_buffer *vb)
 433 {
 434         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 435         struct cx23885_buffer *buf = container_of(vbuf,
 436                 struct cx23885_buffer, vb);
 437
 438         cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
 439 }
 440
 441 /*
 442  * The risc program for each buffer works as follows: it starts with a simple
 443  * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
 444  * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
 445  * the initial JUMP).
 446  *
 447  * This is the risc program of the first buffer to be queued if the active list
 448  * is empty and it just keeps DMAing this buffer without generating any
 449  * interrupts.
 450  *
 451  * If a new buffer is added then the initial JUMP in the code for that buffer
 452  * will generate an interrupt which signals that the previous buffer has been
 453  * DMAed successfully and that it can be returned to userspace.
 454  *
 455  * It also sets the final jump of the previous buffer to the start of the new
 456  * buffer, thus chaining the new buffer into the DMA chain. This is a single
 457  * atomic u32 write, so there is no race condition.
 458  *
 459  * The end-result of all this that you only get an interrupt when a buffer
 460  * is ready, so the control flow is very easy.
 461  */
 462 static void buffer_queue(struct vb2_buffer *vb)
 463 {
 464         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 465         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 466         struct cx23885_buffer   *buf = container_of(vbuf,
 467                 struct cx23885_buffer, vb);
 468         struct cx23885_buffer   *prev;
 469         struct cx23885_dmaqueue *q    = &dev->vidq;
 470         unsigned long flags;
 471
 472         /* add jump to start */
 473         buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
 474         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
 475         buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
 476         buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
 477
 478         spin_lock_irqsave(&dev->slock, flags);
 479         if (list_empty(&q->active)) {
 480                 list_add_tail(&buf->queue, &q->active);
 481                 dprintk(2, "[%p/%d] buffer_queue - first active\n",
 482                         buf, buf->vb.vb2_buf.index);
 483         } else {
 484                 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
 485                 prev = list_entry(q->active.prev, struct cx23885_buffer,
 486                         queue);
 487                 list_add_tail(&buf->queue, &q->active);
 488                 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 489                 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
 490                                 buf, buf->vb.vb2_buf.index);
 491         }
 492         spin_unlock_irqrestore(&dev->slock, flags);
 493 }
 494
 495 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
 496 {
 497         struct cx23885_dev *dev = q->drv_priv;
 498         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 499         struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 500                         struct cx23885_buffer, queue);
 501
 502         cx23885_start_video_dma(dev, dmaq, buf);
 503         return 0;
 504 }
 505
 506 static void cx23885_stop_streaming(struct vb2_queue *q)
 507 {
 508         struct cx23885_dev *dev = q->drv_priv;
 509         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 510         unsigned long flags;
 511
 512         cx_clear(VID_A_DMA_CTL, 0x11);
 513         spin_lock_irqsave(&dev->slock, flags);
 514         while (!list_empty(&dmaq->active)) {
 515                 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 516                         struct cx23885_buffer, queue);
 517
 518                 list_del(&buf->queue);
 519                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 520         }
 521         spin_unlock_irqrestore(&dev->slock, flags);
 522 }
 523
 524 static const struct vb2_ops cx23885_video_qops = {
 525         .queue_setup    = queue_setup,
 526         .buf_prepare  = buffer_prepare,
 527         .buf_finish = buffer_finish,
 528         .buf_queue    = buffer_queue,
 529         .wait_prepare = vb2_ops_wait_prepare,
 530         .wait_finish = vb2_ops_wait_finish,
 531         .start_streaming = cx23885_start_streaming,
 532         .stop_streaming = cx23885_stop_streaming,
 533 };
 534
 535 /* ------------------------------------------------------------------ */
 536 /* VIDEO IOCTLS                                                       */
 537
 538 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 539         struct v4l2_format *f)
 540 {
 541         struct cx23885_dev *dev = video_drvdata(file);
 542
 543         f->fmt.pix.width        = dev->width;
 544         f->fmt.pix.height       = dev->height;
 545         f->fmt.pix.field        = dev->field;
 546         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
 547         f->fmt.pix.bytesperline =
 548                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
 549         f->fmt.pix.sizeimage =
 550                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 551         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 552
 553         return 0;
 554 }
 555
 556 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 557         struct v4l2_format *f)
 558 {
 559         struct cx23885_dev *dev = video_drvdata(file);
 560         struct cx23885_fmt *fmt;
 561         enum v4l2_field   field;
 562         unsigned int      maxw, maxh;
 563
 564         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 565         if (NULL == fmt)
 566                 return -EINVAL;
 567
 568         field = f->fmt.pix.field;
 569         maxw  = 720;
 570         maxh  = norm_maxh(dev->tvnorm);
 571
 572         if (V4L2_FIELD_ANY == field) {
 573                 field = (f->fmt.pix.height > maxh/2)
 574                         ? V4L2_FIELD_INTERLACED
 575                         : V4L2_FIELD_BOTTOM;
 576         }
 577
 578         switch (field) {
 579         case V4L2_FIELD_TOP:
 580         case V4L2_FIELD_BOTTOM:
 581                 maxh = maxh / 2;
 582                 break;
 583         case V4L2_FIELD_INTERLACED:
 584         case V4L2_FIELD_SEQ_TB:
 585         case V4L2_FIELD_SEQ_BT:
 586                 break;
 587         default:
 588                 field = V4L2_FIELD_INTERLACED;
 589                 break;
 590         }
 591
 592         f->fmt.pix.field = field;
 593         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 594                               &f->fmt.pix.height, 32, maxh, 0, 0);
 595         f->fmt.pix.bytesperline =
 596                 (f->fmt.pix.width * fmt->depth) >> 3;
 597         f->fmt.pix.sizeimage =
 598                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 599         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 600
 601         return 0;
 602 }
 603
 604 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 605         struct v4l2_format *f)
 606 {
 607         struct cx23885_dev *dev = video_drvdata(file);
 608         struct v4l2_subdev_format format = {
 609                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
 610         };
 611         int err;
 612
 613         dprintk(2, "%s()\n", __func__);
 614         err = vidioc_try_fmt_vid_cap(file, priv, f);
 615
 616         if (0 != err)
 617                 return err;
 618
 619         if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 620             vb2_is_busy(&dev->vb2_mpegq))
 621                 return -EBUSY;
 622
 623         dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
 624         dev->width      = f->fmt.pix.width;
 625         dev->height     = f->fmt.pix.height;
 626         dev->field      = f->fmt.pix.field;
 627         dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
 628                 dev->width, dev->height, dev->field);
 629         v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
 630         call_all(dev, pad, set_fmt, NULL, &format);
 631         v4l2_fill_pix_format(&f->fmt.pix, &format.format);
 632         /* set_fmt overwrites f->fmt.pix.field, restore it */
 633         f->fmt.pix.field = dev->field;
 634         return 0;
 635 }
 636
 637 static int vidioc_querycap(struct file *file, void  *priv,
 638         struct v4l2_capability *cap)
 639 {
 640         struct cx23885_dev *dev = video_drvdata(file);
 641         struct video_device *vdev = video_devdata(file);
 642
 643         strcpy(cap->driver, "cx23885");
 644         strlcpy(cap->card, cx23885_boards[dev->board].name,
 645                 sizeof(cap->card));
 646         sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
 647         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO;
 648         if (dev->tuner_type != TUNER_ABSENT)
 649                 cap->device_caps |= V4L2_CAP_TUNER;
 650         if (vdev->vfl_type == VFL_TYPE_VBI)
 651                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
 652         else
 653                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
 654         cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE |
 655                 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS;
 656         return 0;
 657 }
 658
 659 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 660         struct v4l2_fmtdesc *f)
 661 {
 662         if (unlikely(f->index >= ARRAY_SIZE(formats)))
 663                 return -EINVAL;
 664
 665         strlcpy(f->description, formats[f->index].name,
 666                 sizeof(f->description));
 667         f->pixelformat = formats[f->index].fourcc;
 668
 669         return 0;
 670 }
 671
 672 static int vidioc_cropcap(struct file *file, void *priv,
 673                           struct v4l2_cropcap *cc)
 674 {
 675         struct cx23885_dev *dev = video_drvdata(file);
 676         bool is_50hz = dev->tvnorm & V4L2_STD_625_50;
 677
 678         if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 679                 return -EINVAL;
 680
 681         cc->bounds.left = 0;
 682         cc->bounds.top = 0;
 683         cc->bounds.width = 720;
 684         cc->bounds.height = norm_maxh(dev->tvnorm);
 685         cc->defrect = cc->bounds;
 686         cc->pixelaspect.numerator = is_50hz ? 54 : 11;
 687         cc->pixelaspect.denominator = is_50hz ? 59 : 10;
 688
 689         return 0;
 690 }
 691
 692 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
 693 {
 694         struct cx23885_dev *dev = video_drvdata(file);
 695         dprintk(1, "%s()\n", __func__);
 696
 697         *id = dev->tvnorm;
 698         return 0;
 699 }
 700
 701 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 702 {
 703         struct cx23885_dev *dev = video_drvdata(file);
 704         dprintk(1, "%s()\n", __func__);
 705
 706         return cx23885_set_tvnorm(dev, tvnorms);
 707 }
 708
 709 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
 710 {
 711         static const char *iname[] = {
 712                 [CX23885_VMUX_COMPOSITE1] = "Composite1",
 713                 [CX23885_VMUX_COMPOSITE2] = "Composite2",
 714                 [CX23885_VMUX_COMPOSITE3] = "Composite3",
 715                 [CX23885_VMUX_COMPOSITE4] = "Composite4",
 716                 [CX23885_VMUX_SVIDEO]     = "S-Video",
 717                 [CX23885_VMUX_COMPONENT]  = "Component",
 718                 [CX23885_VMUX_TELEVISION] = "Television",
 719                 [CX23885_VMUX_CABLE]      = "Cable TV",
 720                 [CX23885_VMUX_DVB]        = "DVB",
 721                 [CX23885_VMUX_DEBUG]      = "for debug only",
 722         };
 723         unsigned int n;
 724         dprintk(1, "%s()\n", __func__);
 725
 726         n = i->index;
 727         if (n >= MAX_CX23885_INPUT)
 728                 return -EINVAL;
 729
 730         if (0 == INPUT(n)->type)
 731                 return -EINVAL;
 732
 733         i->index = n;
 734         i->type  = V4L2_INPUT_TYPE_CAMERA;
 735         strcpy(i->name, iname[INPUT(n)->type]);
 736         i->std = CX23885_NORMS;
 737         if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
 738                 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
 739                 i->type = V4L2_INPUT_TYPE_TUNER;
 740                 i->audioset = 4;
 741         } else {
 742                 /* Two selectable audio inputs for non-tv inputs */
 743                 i->audioset = 3;
 744         }
 745
 746         if (dev->input == n) {
 747                 /* enum'd input matches our configured input.
 748                  * Ask the video decoder to process the call
 749                  * and give it an oppertunity to update the
 750                  * status field.
 751                  */
 752                 call_all(dev, video, g_input_status, &i->status);
 753         }
 754
 755         return 0;
 756 }
 757
 758 static int vidioc_enum_input(struct file *file, void *priv,
 759                                 struct v4l2_input *i)
 760 {
 761         struct cx23885_dev *dev = video_drvdata(file);
 762         dprintk(1, "%s()\n", __func__);
 763         return cx23885_enum_input(dev, i);
 764 }
 765
 766 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
 767 {
 768         struct cx23885_dev *dev = video_drvdata(file);
 769
 770         *i = dev->input;
 771         dprintk(1, "%s() returns %d\n", __func__, *i);
 772         return 0;
 773 }
 774
 775 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 776 {
 777         return cx23885_get_input(file, priv, i);
 778 }
 779
 780 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
 781 {
 782         struct cx23885_dev *dev = video_drvdata(file);
 783
 784         dprintk(1, "%s(%d)\n", __func__, i);
 785
 786         if (i >= MAX_CX23885_INPUT) {
 787                 dprintk(1, "%s() -EINVAL\n", __func__);
 788                 return -EINVAL;
 789         }
 790
 791         if (INPUT(i)->type == 0)
 792                 return -EINVAL;
 793
 794         cx23885_video_mux(dev, i);
 795
 796         /* By default establish the default audio input for the card also */
 797         /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
 798         cx23885_audio_mux(dev, i);
 799         return 0;
 800 }
 801
 802 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 803 {
 804         return cx23885_set_input(file, priv, i);
 805 }
 806
 807 static int vidioc_log_status(struct file *file, void *priv)
 808 {
 809         struct cx23885_dev *dev = video_drvdata(file);
 810
 811         call_all(dev, core, log_status);
 812         return 0;
 813 }
 814
 815 static int cx23885_query_audinput(struct file *file, void *priv,
 816         struct v4l2_audio *i)
 817 {
 818         static const char *iname[] = {
 819                 [0] = "Baseband L/R 1",
 820                 [1] = "Baseband L/R 2",
 821                 [2] = "TV",
 822         };
 823         unsigned int n;
 824         dprintk(1, "%s()\n", __func__);
 825
 826         n = i->index;
 827         if (n >= 3)
 828                 return -EINVAL;
 829
 830         memset(i, 0, sizeof(*i));
 831         i->index = n;
 832         strcpy(i->name, iname[n]);
 833         i->capability = V4L2_AUDCAP_STEREO;
 834         return 0;
 835
 836 }
 837
 838 static int vidioc_enum_audinput(struct file *file, void *priv,
 839                                 struct v4l2_audio *i)
 840 {
 841         return cx23885_query_audinput(file, priv, i);
 842 }
 843
 844 static int vidioc_g_audinput(struct file *file, void *priv,
 845         struct v4l2_audio *i)
 846 {
 847         struct cx23885_dev *dev = video_drvdata(file);
 848
 849         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 850                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type))
 851                 i->index = 2;
 852         else
 853                 i->index = dev->audinput;
 854         dprintk(1, "%s(input=%d)\n", __func__, i->index);
 855
 856         return cx23885_query_audinput(file, priv, i);
 857 }
 858
 859 static int vidioc_s_audinput(struct file *file, void *priv,
 860         const struct v4l2_audio *i)
 861 {
 862         struct cx23885_dev *dev = video_drvdata(file);
 863
 864         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 865                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
 866                 return i->index != 2 ? -EINVAL : 0;
 867         }
 868         if (i->index > 1)
 869                 return -EINVAL;
 870
 871         dprintk(1, "%s(%d)\n", __func__, i->index);
 872
 873         dev->audinput = i->index;
 874
 875         /* Skip the audio defaults from the cards struct, caller wants
 876          * directly touch the audio mux hardware. */
 877         cx23885_flatiron_mux(dev, dev->audinput + 1);
 878         return 0;
 879 }
 880
 881 static int vidioc_g_tuner(struct file *file, void *priv,
 882                                 struct v4l2_tuner *t)
 883 {
 884         struct cx23885_dev *dev = video_drvdata(file);
 885
 886         if (dev->tuner_type == TUNER_ABSENT)
 887                 return -EINVAL;
 888         if (0 != t->index)
 889                 return -EINVAL;
 890
 891         strcpy(t->name, "Television");
 892
 893         call_all(dev, tuner, g_tuner, t);
 894         return 0;
 895 }
 896
 897 static int vidioc_s_tuner(struct file *file, void *priv,
 898                                 const struct v4l2_tuner *t)
 899 {
 900         struct cx23885_dev *dev = video_drvdata(file);
 901
 902         if (dev->tuner_type == TUNER_ABSENT)
 903                 return -EINVAL;
 904         if (0 != t->index)
 905                 return -EINVAL;
 906         /* Update the A/V core */
 907         call_all(dev, tuner, s_tuner, t);
 908
 909         return 0;
 910 }
 911
 912 static int vidioc_g_frequency(struct file *file, void *priv,
 913                                 struct v4l2_frequency *f)
 914 {
 915         struct cx23885_dev *dev = video_drvdata(file);
 916
 917         if (dev->tuner_type == TUNER_ABSENT)
 918                 return -EINVAL;
 919
 920         f->type = V4L2_TUNER_ANALOG_TV;
 921         f->frequency = dev->freq;
 922
 923         call_all(dev, tuner, g_frequency, f);
 924
 925         return 0;
 926 }
 927
 928 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
 929 {
 930         struct v4l2_ctrl *mute;
 931         int old_mute_val = 1;
 932
 933         if (dev->tuner_type == TUNER_ABSENT)
 934                 return -EINVAL;
 935         if (unlikely(f->tuner != 0))
 936                 return -EINVAL;
 937
 938         dev->freq = f->frequency;
 939
 940         /* I need to mute audio here */
 941         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
 942         if (mute) {
 943                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
 944                 if (!old_mute_val)
 945                         v4l2_ctrl_s_ctrl(mute, 1);
 946         }
 947
 948         call_all(dev, tuner, s_frequency, f);
 949
 950         /* When changing channels it is required to reset TVAUDIO */
 951         msleep(100);
 952
 953         /* I need to unmute audio here */
 954         if (old_mute_val == 0)
 955                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
 956
 957         return 0;
 958 }
 959
 960 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
 961         const struct v4l2_frequency *f)
 962 {
 963         struct v4l2_ctrl *mute;
 964         int old_mute_val = 1;
 965         struct vb2_dvb_frontend *vfe;
 966         struct dvb_frontend *fe;
 967
 968         struct analog_parameters params = {
 969                 .mode      = V4L2_TUNER_ANALOG_TV,
 970                 .audmode   = V4L2_TUNER_MODE_STEREO,
 971                 .std       = dev->tvnorm,
 972                 .frequency = f->frequency
 973         };
 974
 975         dev->freq = f->frequency;
 976
 977         /* I need to mute audio here */
 978         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
 979         if (mute) {
 980                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
 981                 if (!old_mute_val)
 982                         v4l2_ctrl_s_ctrl(mute, 1);
 983         }
 984
 985         /* If HVR1850 */
 986         dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
 987                 params.frequency, f->tuner, params.std);
 988
 989         vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
 990         if (!vfe) {
 991                 return -EINVAL;
 992         }
 993
 994         fe = vfe->dvb.frontend;
 995
 996         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
 997             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
 998             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
 999             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4))
1000                 fe = &dev->ts1.analog_fe;
1001
1002         if (fe && fe->ops.tuner_ops.set_analog_params) {
1003                 call_all(dev, video, s_std, dev->tvnorm);
1004                 fe->ops.tuner_ops.set_analog_params(fe, &params);
1005         }
1006         else
1007                 pr_err("%s() No analog tuner, aborting\n", __func__);
1008
1009         /* When changing channels it is required to reset TVAUDIO */
1010         msleep(100);
1011
1012         /* I need to unmute audio here */
1013         if (old_mute_val == 0)
1014                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1015
1016         return 0;
1017 }
1018
1019 int cx23885_set_frequency(struct file *file, void *priv,
1020         const struct v4l2_frequency *f)
1021 {
1022         struct cx23885_dev *dev = video_drvdata(file);
1023         int ret;
1024
1025         switch (dev->board) {
1026         case CX23885_BOARD_HAUPPAUGE_HVR1255:
1027         case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1028         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1029         case CX23885_BOARD_HAUPPAUGE_HVR1850:
1030                 ret = cx23885_set_freq_via_ops(dev, f);
1031                 break;
1032         default:
1033                 ret = cx23885_set_freq(dev, f);
1034         }
1035
1036         return ret;
1037 }
1038
1039 static int vidioc_s_frequency(struct file *file, void *priv,
1040         const struct v4l2_frequency *f)
1041 {
1042         return cx23885_set_frequency(file, priv, f);
1043 }
1044
1045 /* ----------------------------------------------------------- */
1046
1047 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1048 {
1049         u32 mask, count;
1050         int handled = 0;
1051
1052         mask   = cx_read(VID_A_INT_MSK);
1053         if (0 == (status & mask))
1054                 return handled;
1055
1056         cx_write(VID_A_INT_STAT, status);
1057
1058         /* risc op code error, fifo overflow or line sync detection error */
1059         if ((status & VID_BC_MSK_OPC_ERR) ||
1060                 (status & VID_BC_MSK_SYNC) ||
1061                 (status & VID_BC_MSK_OF)) {
1062
1063                 if (status & VID_BC_MSK_OPC_ERR) {
1064                         dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1065                                 VID_BC_MSK_OPC_ERR);
1066                         pr_warn("%s: video risc op code error\n",
1067                                 dev->name);
1068                         cx23885_sram_channel_dump(dev,
1069                                 &dev->sram_channels[SRAM_CH01]);
1070                 }
1071
1072                 if (status & VID_BC_MSK_SYNC)
1073                         dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) video lines miss-match\n",
1074                                 VID_BC_MSK_SYNC);
1075
1076                 if (status & VID_BC_MSK_OF)
1077                         dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1078                                 VID_BC_MSK_OF);
1079
1080         }
1081
1082         /* Video */
1083         if (status & VID_BC_MSK_RISCI1) {
1084                 spin_lock(&dev->slock);
1085                 count = cx_read(VID_A_GPCNT);
1086                 cx23885_video_wakeup(dev, &dev->vidq, count);
1087                 spin_unlock(&dev->slock);
1088                 handled++;
1089         }
1090
1091         /* Allow the VBI framework to process it's payload */
1092         handled += cx23885_vbi_irq(dev, status);
1093
1094         return handled;
1095 }
1096
1097 /* ----------------------------------------------------------- */
1098 /* exported stuff                                              */
1099
1100 static const struct v4l2_file_operations video_fops = {
1101         .owner         = THIS_MODULE,
1102         .open           = v4l2_fh_open,
1103         .release        = vb2_fop_release,
1104         .read           = vb2_fop_read,
1105         .poll           = vb2_fop_poll,
1106         .unlocked_ioctl = video_ioctl2,
1107         .mmap           = vb2_fop_mmap,
1108 };
1109
1110 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1111         .vidioc_querycap      = vidioc_querycap,
1112         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1113         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1114         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1115         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1116         .vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1117         .vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1118         .vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1119         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1120         .vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
1121         .vidioc_querybuf      = vb2_ioctl_querybuf,
1122         .vidioc_qbuf          = vb2_ioctl_qbuf,
1123         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1124         .vidioc_streamon      = vb2_ioctl_streamon,
1125         .vidioc_streamoff     = vb2_ioctl_streamoff,
1126         .vidioc_cropcap       = vidioc_cropcap,
1127         .vidioc_s_std         = vidioc_s_std,
1128         .vidioc_g_std         = vidioc_g_std,
1129         .vidioc_enum_input    = vidioc_enum_input,
1130         .vidioc_g_input       = vidioc_g_input,
1131         .vidioc_s_input       = vidioc_s_input,
1132         .vidioc_log_status    = vidioc_log_status,
1133         .vidioc_g_tuner       = vidioc_g_tuner,
1134         .vidioc_s_tuner       = vidioc_s_tuner,
1135         .vidioc_g_frequency   = vidioc_g_frequency,
1136         .vidioc_s_frequency   = vidioc_s_frequency,
1137 #ifdef CONFIG_VIDEO_ADV_DEBUG
1138         .vidioc_g_chip_info   = cx23885_g_chip_info,
1139         .vidioc_g_register    = cx23885_g_register,
1140         .vidioc_s_register    = cx23885_s_register,
1141 #endif
1142         .vidioc_enumaudio     = vidioc_enum_audinput,
1143         .vidioc_g_audio       = vidioc_g_audinput,
1144         .vidioc_s_audio       = vidioc_s_audinput,
1145         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1146         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1147 };
1148
1149 static struct video_device cx23885_vbi_template;
1150 static struct video_device cx23885_video_template = {
1151         .name                 = "cx23885-video",
1152         .fops                 = &video_fops,
1153         .ioctl_ops            = &video_ioctl_ops,
1154         .tvnorms              = CX23885_NORMS,
1155 };
1156
1157 void cx23885_video_unregister(struct cx23885_dev *dev)
1158 {
1159         dprintk(1, "%s()\n", __func__);
1160         cx23885_irq_remove(dev, 0x01);
1161
1162         if (dev->vbi_dev) {
1163                 if (video_is_registered(dev->vbi_dev))
1164                         video_unregister_device(dev->vbi_dev);
1165                 else
1166                         video_device_release(dev->vbi_dev);
1167                 dev->vbi_dev = NULL;
1168         }
1169         if (dev->video_dev) {
1170                 if (video_is_registered(dev->video_dev))
1171                         video_unregister_device(dev->video_dev);
1172                 else
1173                         video_device_release(dev->video_dev);
1174                 dev->video_dev = NULL;
1175         }
1176
1177         if (dev->audio_dev)
1178                 cx23885_audio_unregister(dev);
1179 }
1180
1181 int cx23885_video_register(struct cx23885_dev *dev)
1182 {
1183         struct vb2_queue *q;
1184         int err;
1185
1186         dprintk(1, "%s()\n", __func__);
1187
1188         /* Initialize VBI template */
1189         cx23885_vbi_template = cx23885_video_template;
1190         strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1191
1192         dev->tvnorm = V4L2_STD_NTSC_M;
1193         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1194         dev->field = V4L2_FIELD_INTERLACED;
1195         dev->width = 720;
1196         dev->height = norm_maxh(dev->tvnorm);
1197
1198         /* init video dma queues */
1199         INIT_LIST_HEAD(&dev->vidq.active);
1200
1201         /* init vbi dma queues */
1202         INIT_LIST_HEAD(&dev->vbiq.active);
1203
1204         cx23885_irq_add_enable(dev, 0x01);
1205
1206         if ((TUNER_ABSENT != dev->tuner_type) &&
1207                         ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1208                 struct v4l2_subdev *sd = NULL;
1209
1210                 if (dev->tuner_addr)
1211                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1212                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1213                                 "tuner", dev->tuner_addr, NULL);
1214                 else
1215                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1216                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1217                                 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1218                 if (sd) {
1219                         struct tuner_setup tun_setup;
1220
1221                         memset(&tun_setup, 0, sizeof(tun_setup));
1222                         tun_setup.mode_mask = T_ANALOG_TV;
1223                         tun_setup.type = dev->tuner_type;
1224                         tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1225                         tun_setup.tuner_callback = cx23885_tuner_callback;
1226
1227                         v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1228
1229                         if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1230                             (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1231                                 struct xc2028_ctrl ctrl = {
1232                                         .fname = "/*(DEBLOBBED)*/",
1233                                         .max_len = 64
1234                                 };
1235                                 struct v4l2_priv_tun_config cfg = {
1236                                         .tuner = dev->tuner_type,
1237                                         .priv = &ctrl
1238                                 };
1239                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1240                         }
1241
1242                         if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1243                                 struct xc2028_ctrl ctrl = {
1244                                         .fname = "/*(DEBLOBBED)*/",
1245                                         .max_len = 64
1246                                 };
1247                                 struct v4l2_priv_tun_config cfg = {
1248                                         .tuner = dev->tuner_type,
1249                                         .priv = &ctrl
1250                                 };
1251                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1252                         }
1253                 }
1254         }
1255
1256         /* initial device configuration */
1257         mutex_lock(&dev->lock);
1258         cx23885_set_tvnorm(dev, dev->tvnorm);
1259         cx23885_video_mux(dev, 0);
1260         cx23885_audio_mux(dev, 0);
1261         mutex_unlock(&dev->lock);
1262
1263         q = &dev->vb2_vidq;
1264         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1265         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1266         q->gfp_flags = GFP_DMA32;
1267         q->min_buffers_needed = 2;
1268         q->drv_priv = dev;
1269         q->buf_struct_size = sizeof(struct cx23885_buffer);
1270         q->ops = &cx23885_video_qops;
1271         q->mem_ops = &vb2_dma_sg_memops;
1272         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1273         q->lock = &dev->lock;
1274         q->dev = &dev->pci->dev;
1275
1276         err = vb2_queue_init(q);
1277         if (err < 0)
1278                 goto fail_unreg;
1279
1280         q = &dev->vb2_vbiq;
1281         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1282         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1283         q->gfp_flags = GFP_DMA32;
1284         q->min_buffers_needed = 2;
1285         q->drv_priv = dev;
1286         q->buf_struct_size = sizeof(struct cx23885_buffer);
1287         q->ops = &cx23885_vbi_qops;
1288         q->mem_ops = &vb2_dma_sg_memops;
1289         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1290         q->lock = &dev->lock;
1291         q->dev = &dev->pci->dev;
1292
1293         err = vb2_queue_init(q);
1294         if (err < 0)
1295                 goto fail_unreg;
1296
1297         /* register Video device */
1298         dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1299                 &cx23885_video_template, "video");
1300         dev->video_dev->queue = &dev->vb2_vidq;
1301         err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1302                                     video_nr[dev->nr]);
1303         if (err < 0) {
1304                 pr_info("%s: can't register video device\n",
1305                         dev->name);
1306                 goto fail_unreg;
1307         }
1308         pr_info("%s: registered device %s [v4l2]\n",
1309                dev->name, video_device_node_name(dev->video_dev));
1310
1311         /* register VBI device */
1312         dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1313                 &cx23885_vbi_template, "vbi");
1314         dev->vbi_dev->queue = &dev->vb2_vbiq;
1315         err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1316                                     vbi_nr[dev->nr]);
1317         if (err < 0) {
1318                 pr_info("%s: can't register vbi device\n",
1319                         dev->name);
1320                 goto fail_unreg;
1321         }
1322         pr_info("%s: registered device %s\n",
1323                dev->name, video_device_node_name(dev->vbi_dev));
1324
1325         /* Register ALSA audio device */
1326         dev->audio_dev = cx23885_audio_register(dev);
1327
1328         return 0;
1329
1330 fail_unreg:
1331         cx23885_video_unregister(dev);
1332         return err;
1333 }