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         v4l2_get_timestamp(&buf->vb.timestamp);
 109         dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf,
 110                         buf->vb.vb2_buf.index, count, q->count);
 111         list_del(&buf->queue);
 112         vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 113 }
 114
 115 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
 116 {
 117         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                 /* Configure audio routing */
 268                 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
 269                         INPUT(input)->amux, 0, 0);
 270
 271                 if (INPUT(input)->amux == CX25840_AUDIO7)
 272                         cx23885_flatiron_mux(dev, 1);
 273                 else if (INPUT(input)->amux == CX25840_AUDIO6)
 274                         cx23885_flatiron_mux(dev, 2);
 275         }
 276
 277         return 0;
 278 }
 279
 280 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
 281 {
 282         dprintk(1, "%s(input=%d)\n", __func__, input);
 283
 284         /* The baseband video core of the cx23885 has two audio inputs.
 285          * LR1 and LR2. In almost every single case so far only HVR1xxx
 286          * cards we've only ever supported LR1. Time to support LR2,
 287          * which is available via the optional white breakout header on
 288          * the board.
 289          * We'll use a could of existing enums in the card struct to allow
 290          * devs to specify which baseband input they need, or just default
 291          * to what we've always used.
 292          */
 293         if (INPUT(input)->amux == CX25840_AUDIO7)
 294                 cx23885_flatiron_mux(dev, 1);
 295         else if (INPUT(input)->amux == CX25840_AUDIO6)
 296                 cx23885_flatiron_mux(dev, 2);
 297         else {
 298                 /* Not specifically defined, assume the default. */
 299                 cx23885_flatiron_mux(dev, 1);
 300         }
 301
 302         return 0;
 303 }
 304
 305 /* ------------------------------------------------------------------ */
 306 static int cx23885_start_video_dma(struct cx23885_dev *dev,
 307                            struct cx23885_dmaqueue *q,
 308                            struct cx23885_buffer *buf)
 309 {
 310         dprintk(1, "%s()\n", __func__);
 311
 312         /* Stop the dma/fifo before we tamper with it's risc programs */
 313         cx_clear(VID_A_DMA_CTL, 0x11);
 314
 315         /* setup fifo + format */
 316         cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
 317                                 buf->bpl, buf->risc.dma);
 318
 319         /* reset counter */
 320         cx_write(VID_A_GPCNT_CTL, 3);
 321         q->count = 0;
 322
 323         /* enable irq */
 324         cx23885_irq_add_enable(dev, 0x01);
 325         cx_set(VID_A_INT_MSK, 0x000011);
 326
 327         /* start dma */
 328         cx_set(DEV_CNTRL2, (1<<5));
 329         cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
 330
 331         return 0;
 332 }
 333
 334 static int queue_setup(struct vb2_queue *q, const void *parg,
 335                            unsigned int *num_buffers, unsigned int *num_planes,
 336                            unsigned int sizes[], void *alloc_ctxs[])
 337 {
 338         struct cx23885_dev *dev = q->drv_priv;
 339
 340         *num_planes = 1;
 341         sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
 342         alloc_ctxs[0] = dev->alloc_ctx;
 343         return 0;
 344 }
 345
 346 static int buffer_prepare(struct vb2_buffer *vb)
 347 {
 348         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 349         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 350         struct cx23885_buffer *buf =
 351                 container_of(vbuf, struct cx23885_buffer, vb);
 352         u32 line0_offset, line1_offset;
 353         struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
 354         int field_tff;
 355
 356         buf->bpl = (dev->width * dev->fmt->depth) >> 3;
 357
 358         if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
 359                 return -EINVAL;
 360         vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
 361
 362         switch (dev->field) {
 363         case V4L2_FIELD_TOP:
 364                 cx23885_risc_buffer(dev->pci, &buf->risc,
 365                                 sgt->sgl, 0, UNSET,
 366                                 buf->bpl, 0, dev->height);
 367                 break;
 368         case V4L2_FIELD_BOTTOM:
 369                 cx23885_risc_buffer(dev->pci, &buf->risc,
 370                                 sgt->sgl, UNSET, 0,
 371                                 buf->bpl, 0, dev->height);
 372                 break;
 373         case V4L2_FIELD_INTERLACED:
 374                 if (dev->tvnorm & V4L2_STD_525_60)
 375                         /* NTSC or  */
 376                         field_tff = 1;
 377                 else
 378                         field_tff = 0;
 379
 380                 if (cx23885_boards[dev->board].force_bff)
 381                         /* PAL / SECAM OR 888 in NTSC MODE */
 382                         field_tff = 0;
 383
 384                 if (field_tff) {
 385                         /* cx25840 transmits NTSC bottom field first */
 386                         dprintk(1, "%s() Creating TFF/NTSC risc\n",
 387                                         __func__);
 388                         line0_offset = buf->bpl;
 389                         line1_offset = 0;
 390                 } else {
 391                         /* All other formats are top field first */
 392                         dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
 393                                         __func__);
 394                         line0_offset = 0;
 395                         line1_offset = buf->bpl;
 396                 }
 397                 cx23885_risc_buffer(dev->pci, &buf->risc,
 398                                 sgt->sgl, line0_offset,
 399                                 line1_offset,
 400                                 buf->bpl, buf->bpl,
 401                                 dev->height >> 1);
 402                 break;
 403         case V4L2_FIELD_SEQ_TB:
 404                 cx23885_risc_buffer(dev->pci, &buf->risc,
 405                                 sgt->sgl,
 406                                 0, buf->bpl * (dev->height >> 1),
 407                                 buf->bpl, 0,
 408                                 dev->height >> 1);
 409                 break;
 410         case V4L2_FIELD_SEQ_BT:
 411                 cx23885_risc_buffer(dev->pci, &buf->risc,
 412                                 sgt->sgl,
 413                                 buf->bpl * (dev->height >> 1), 0,
 414                                 buf->bpl, 0,
 415                                 dev->height >> 1);
 416                 break;
 417         default:
 418                 BUG();
 419         }
 420         dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 421                 buf, buf->vb.vb2_buf.index,
 422                 dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
 423                 (unsigned long)buf->risc.dma);
 424         return 0;
 425 }
 426
 427 static void buffer_finish(struct vb2_buffer *vb)
 428 {
 429         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 430         struct cx23885_buffer *buf = container_of(vbuf,
 431                 struct cx23885_buffer, vb);
 432
 433         cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
 434 }
 435
 436 /*
 437  * The risc program for each buffer works as follows: it starts with a simple
 438  * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
 439  * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
 440  * the initial JUMP).
 441  *
 442  * This is the risc program of the first buffer to be queued if the active list
 443  * is empty and it just keeps DMAing this buffer without generating any
 444  * interrupts.
 445  *
 446  * If a new buffer is added then the initial JUMP in the code for that buffer
 447  * will generate an interrupt which signals that the previous buffer has been
 448  * DMAed successfully and that it can be returned to userspace.
 449  *
 450  * It also sets the final jump of the previous buffer to the start of the new
 451  * buffer, thus chaining the new buffer into the DMA chain. This is a single
 452  * atomic u32 write, so there is no race condition.
 453  *
 454  * The end-result of all this that you only get an interrupt when a buffer
 455  * is ready, so the control flow is very easy.
 456  */
 457 static void buffer_queue(struct vb2_buffer *vb)
 458 {
 459         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 460         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 461         struct cx23885_buffer   *buf = container_of(vbuf,
 462                 struct cx23885_buffer, vb);
 463         struct cx23885_buffer   *prev;
 464         struct cx23885_dmaqueue *q    = &dev->vidq;
 465         unsigned long flags;
 466
 467         /* add jump to start */
 468         buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
 469         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
 470         buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
 471         buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
 472
 473         spin_lock_irqsave(&dev->slock, flags);
 474         if (list_empty(&q->active)) {
 475                 list_add_tail(&buf->queue, &q->active);
 476                 dprintk(2, "[%p/%d] buffer_queue - first active\n",
 477                         buf, buf->vb.vb2_buf.index);
 478         } else {
 479                 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
 480                 prev = list_entry(q->active.prev, struct cx23885_buffer,
 481                         queue);
 482                 list_add_tail(&buf->queue, &q->active);
 483                 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 484                 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
 485                                 buf, buf->vb.vb2_buf.index);
 486         }
 487         spin_unlock_irqrestore(&dev->slock, flags);
 488 }
 489
 490 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
 491 {
 492         struct cx23885_dev *dev = q->drv_priv;
 493         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 494         struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 495                         struct cx23885_buffer, queue);
 496
 497         cx23885_start_video_dma(dev, dmaq, buf);
 498         return 0;
 499 }
 500
 501 static void cx23885_stop_streaming(struct vb2_queue *q)
 502 {
 503         struct cx23885_dev *dev = q->drv_priv;
 504         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 505         unsigned long flags;
 506
 507         cx_clear(VID_A_DMA_CTL, 0x11);
 508         spin_lock_irqsave(&dev->slock, flags);
 509         while (!list_empty(&dmaq->active)) {
 510                 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 511                         struct cx23885_buffer, queue);
 512
 513                 list_del(&buf->queue);
 514                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 515         }
 516         spin_unlock_irqrestore(&dev->slock, flags);
 517 }
 518
 519 static struct vb2_ops cx23885_video_qops = {
 520         .queue_setup    = queue_setup,
 521         .buf_prepare  = buffer_prepare,
 522         .buf_finish = buffer_finish,
 523         .buf_queue    = buffer_queue,
 524         .wait_prepare = vb2_ops_wait_prepare,
 525         .wait_finish = vb2_ops_wait_finish,
 526         .start_streaming = cx23885_start_streaming,
 527         .stop_streaming = cx23885_stop_streaming,
 528 };
 529
 530 /* ------------------------------------------------------------------ */
 531 /* VIDEO IOCTLS                                                       */
 532
 533 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 534         struct v4l2_format *f)
 535 {
 536         struct cx23885_dev *dev = video_drvdata(file);
 537
 538         f->fmt.pix.width        = dev->width;
 539         f->fmt.pix.height       = dev->height;
 540         f->fmt.pix.field        = dev->field;
 541         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
 542         f->fmt.pix.bytesperline =
 543                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
 544         f->fmt.pix.sizeimage =
 545                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 546         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 547
 548         return 0;
 549 }
 550
 551 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 552         struct v4l2_format *f)
 553 {
 554         struct cx23885_dev *dev = video_drvdata(file);
 555         struct cx23885_fmt *fmt;
 556         enum v4l2_field   field;
 557         unsigned int      maxw, maxh;
 558
 559         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 560         if (NULL == fmt)
 561                 return -EINVAL;
 562
 563         field = f->fmt.pix.field;
 564         maxw  = 720;
 565         maxh  = norm_maxh(dev->tvnorm);
 566
 567         if (V4L2_FIELD_ANY == field) {
 568                 field = (f->fmt.pix.height > maxh/2)
 569                         ? V4L2_FIELD_INTERLACED
 570                         : V4L2_FIELD_BOTTOM;
 571         }
 572
 573         switch (field) {
 574         case V4L2_FIELD_TOP:
 575         case V4L2_FIELD_BOTTOM:
 576                 maxh = maxh / 2;
 577                 break;
 578         case V4L2_FIELD_INTERLACED:
 579         case V4L2_FIELD_SEQ_TB:
 580         case V4L2_FIELD_SEQ_BT:
 581                 break;
 582         default:
 583                 field = V4L2_FIELD_INTERLACED;
 584                 break;
 585         }
 586
 587         f->fmt.pix.field = field;
 588         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 589                               &f->fmt.pix.height, 32, maxh, 0, 0);
 590         f->fmt.pix.bytesperline =
 591                 (f->fmt.pix.width * fmt->depth) >> 3;
 592         f->fmt.pix.sizeimage =
 593                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 594         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 595
 596         return 0;
 597 }
 598
 599 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 600         struct v4l2_format *f)
 601 {
 602         struct cx23885_dev *dev = video_drvdata(file);
 603         struct v4l2_subdev_format format = {
 604                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
 605         };
 606         int err;
 607
 608         dprintk(2, "%s()\n", __func__);
 609         err = vidioc_try_fmt_vid_cap(file, priv, f);
 610
 611         if (0 != err)
 612                 return err;
 613
 614         if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 615             vb2_is_busy(&dev->vb2_mpegq))
 616                 return -EBUSY;
 617
 618         dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
 619         dev->width      = f->fmt.pix.width;
 620         dev->height     = f->fmt.pix.height;
 621         dev->field      = f->fmt.pix.field;
 622         dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
 623                 dev->width, dev->height, dev->field);
 624         v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
 625         call_all(dev, pad, set_fmt, NULL, &format);
 626         v4l2_fill_pix_format(&f->fmt.pix, &format.format);
 627         /* set_fmt overwrites f->fmt.pix.field, restore it */
 628         f->fmt.pix.field = dev->field;
 629         return 0;
 630 }
 631
 632 static int vidioc_querycap(struct file *file, void  *priv,
 633         struct v4l2_capability *cap)
 634 {
 635         struct cx23885_dev *dev = video_drvdata(file);
 636         struct video_device *vdev = video_devdata(file);
 637
 638         strcpy(cap->driver, "cx23885");
 639         strlcpy(cap->card, cx23885_boards[dev->board].name,
 640                 sizeof(cap->card));
 641         sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
 642         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO;
 643         if (dev->tuner_type != TUNER_ABSENT)
 644                 cap->device_caps |= V4L2_CAP_TUNER;
 645         if (vdev->vfl_type == VFL_TYPE_VBI)
 646                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
 647         else
 648                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
 649         cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE |
 650                 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS;
 651         return 0;
 652 }
 653
 654 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 655         struct v4l2_fmtdesc *f)
 656 {
 657         if (unlikely(f->index >= ARRAY_SIZE(formats)))
 658                 return -EINVAL;
 659
 660         strlcpy(f->description, formats[f->index].name,
 661                 sizeof(f->description));
 662         f->pixelformat = formats[f->index].fourcc;
 663
 664         return 0;
 665 }
 666
 667 static int vidioc_cropcap(struct file *file, void *priv,
 668                           struct v4l2_cropcap *cc)
 669 {
 670         struct cx23885_dev *dev = video_drvdata(file);
 671         bool is_50hz = dev->tvnorm & V4L2_STD_625_50;
 672
 673         if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 674                 return -EINVAL;
 675
 676         cc->bounds.left = 0;
 677         cc->bounds.top = 0;
 678         cc->bounds.width = 720;
 679         cc->bounds.height = norm_maxh(dev->tvnorm);
 680         cc->defrect = cc->bounds;
 681         cc->pixelaspect.numerator = is_50hz ? 54 : 11;
 682         cc->pixelaspect.denominator = is_50hz ? 59 : 10;
 683
 684         return 0;
 685 }
 686
 687 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
 688 {
 689         struct cx23885_dev *dev = video_drvdata(file);
 690         dprintk(1, "%s()\n", __func__);
 691
 692         *id = dev->tvnorm;
 693         return 0;
 694 }
 695
 696 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 697 {
 698         struct cx23885_dev *dev = video_drvdata(file);
 699         dprintk(1, "%s()\n", __func__);
 700
 701         return cx23885_set_tvnorm(dev, tvnorms);
 702 }
 703
 704 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
 705 {
 706         static const char *iname[] = {
 707                 [CX23885_VMUX_COMPOSITE1] = "Composite1",
 708                 [CX23885_VMUX_COMPOSITE2] = "Composite2",
 709                 [CX23885_VMUX_COMPOSITE3] = "Composite3",
 710                 [CX23885_VMUX_COMPOSITE4] = "Composite4",
 711                 [CX23885_VMUX_SVIDEO]     = "S-Video",
 712                 [CX23885_VMUX_COMPONENT]  = "Component",
 713                 [CX23885_VMUX_TELEVISION] = "Television",
 714                 [CX23885_VMUX_CABLE]      = "Cable TV",
 715                 [CX23885_VMUX_DVB]        = "DVB",
 716                 [CX23885_VMUX_DEBUG]      = "for debug only",
 717         };
 718         unsigned int n;
 719         dprintk(1, "%s()\n", __func__);
 720
 721         n = i->index;
 722         if (n >= MAX_CX23885_INPUT)
 723                 return -EINVAL;
 724
 725         if (0 == INPUT(n)->type)
 726                 return -EINVAL;
 727
 728         i->index = n;
 729         i->type  = V4L2_INPUT_TYPE_CAMERA;
 730         strcpy(i->name, iname[INPUT(n)->type]);
 731         i->std = CX23885_NORMS;
 732         if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
 733                 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
 734                 i->type = V4L2_INPUT_TYPE_TUNER;
 735                 i->audioset = 4;
 736         } else {
 737                 /* Two selectable audio inputs for non-tv inputs */
 738                 i->audioset = 3;
 739         }
 740
 741         if (dev->input == n) {
 742                 /* enum'd input matches our configured input.
 743                  * Ask the video decoder to process the call
 744                  * and give it an oppertunity to update the
 745                  * status field.
 746                  */
 747                 call_all(dev, video, g_input_status, &i->status);
 748         }
 749
 750         return 0;
 751 }
 752
 753 static int vidioc_enum_input(struct file *file, void *priv,
 754                                 struct v4l2_input *i)
 755 {
 756         struct cx23885_dev *dev = video_drvdata(file);
 757         dprintk(1, "%s()\n", __func__);
 758         return cx23885_enum_input(dev, i);
 759 }
 760
 761 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
 762 {
 763         struct cx23885_dev *dev = video_drvdata(file);
 764
 765         *i = dev->input;
 766         dprintk(1, "%s() returns %d\n", __func__, *i);
 767         return 0;
 768 }
 769
 770 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 771 {
 772         return cx23885_get_input(file, priv, i);
 773 }
 774
 775 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
 776 {
 777         struct cx23885_dev *dev = video_drvdata(file);
 778
 779         dprintk(1, "%s(%d)\n", __func__, i);
 780
 781         if (i >= MAX_CX23885_INPUT) {
 782                 dprintk(1, "%s() -EINVAL\n", __func__);
 783                 return -EINVAL;
 784         }
 785
 786         if (INPUT(i)->type == 0)
 787                 return -EINVAL;
 788
 789         cx23885_video_mux(dev, i);
 790
 791         /* By default establish the default audio input for the card also */
 792         /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
 793         cx23885_audio_mux(dev, i);
 794         return 0;
 795 }
 796
 797 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 798 {
 799         return cx23885_set_input(file, priv, i);
 800 }
 801
 802 static int vidioc_log_status(struct file *file, void *priv)
 803 {
 804         struct cx23885_dev *dev = video_drvdata(file);
 805
 806         call_all(dev, core, log_status);
 807         return 0;
 808 }
 809
 810 static int cx23885_query_audinput(struct file *file, void *priv,
 811         struct v4l2_audio *i)
 812 {
 813         struct cx23885_dev *dev = video_drvdata(file);
 814         static const char *iname[] = {
 815                 [0] = "Baseband L/R 1",
 816                 [1] = "Baseband L/R 2",
 817                 [2] = "TV",
 818         };
 819         unsigned int n;
 820         dprintk(1, "%s()\n", __func__);
 821
 822         n = i->index;
 823         if (n >= 3)
 824                 return -EINVAL;
 825
 826         memset(i, 0, sizeof(*i));
 827         i->index = n;
 828         strcpy(i->name, iname[n]);
 829         i->capability = V4L2_AUDCAP_STEREO;
 830         return 0;
 831
 832 }
 833
 834 static int vidioc_enum_audinput(struct file *file, void *priv,
 835                                 struct v4l2_audio *i)
 836 {
 837         return cx23885_query_audinput(file, priv, i);
 838 }
 839
 840 static int vidioc_g_audinput(struct file *file, void *priv,
 841         struct v4l2_audio *i)
 842 {
 843         struct cx23885_dev *dev = video_drvdata(file);
 844
 845         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 846                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type))
 847                 i->index = 2;
 848         else
 849                 i->index = dev->audinput;
 850         dprintk(1, "%s(input=%d)\n", __func__, i->index);
 851
 852         return cx23885_query_audinput(file, priv, i);
 853 }
 854
 855 static int vidioc_s_audinput(struct file *file, void *priv,
 856         const struct v4l2_audio *i)
 857 {
 858         struct cx23885_dev *dev = video_drvdata(file);
 859
 860         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 861                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
 862                 return i->index != 2 ? -EINVAL : 0;
 863         }
 864         if (i->index > 1)
 865                 return -EINVAL;
 866
 867         dprintk(1, "%s(%d)\n", __func__, i->index);
 868
 869         dev->audinput = i->index;
 870
 871         /* Skip the audio defaults from the cards struct, caller wants
 872          * directly touch the audio mux hardware. */
 873         cx23885_flatiron_mux(dev, dev->audinput + 1);
 874         return 0;
 875 }
 876
 877 static int vidioc_g_tuner(struct file *file, void *priv,
 878                                 struct v4l2_tuner *t)
 879 {
 880         struct cx23885_dev *dev = video_drvdata(file);
 881
 882         if (dev->tuner_type == TUNER_ABSENT)
 883                 return -EINVAL;
 884         if (0 != t->index)
 885                 return -EINVAL;
 886
 887         strcpy(t->name, "Television");
 888
 889         call_all(dev, tuner, g_tuner, t);
 890         return 0;
 891 }
 892
 893 static int vidioc_s_tuner(struct file *file, void *priv,
 894                                 const struct v4l2_tuner *t)
 895 {
 896         struct cx23885_dev *dev = video_drvdata(file);
 897
 898         if (dev->tuner_type == TUNER_ABSENT)
 899                 return -EINVAL;
 900         if (0 != t->index)
 901                 return -EINVAL;
 902         /* Update the A/V core */
 903         call_all(dev, tuner, s_tuner, t);
 904
 905         return 0;
 906 }
 907
 908 static int vidioc_g_frequency(struct file *file, void *priv,
 909                                 struct v4l2_frequency *f)
 910 {
 911         struct cx23885_dev *dev = video_drvdata(file);
 912
 913         if (dev->tuner_type == TUNER_ABSENT)
 914                 return -EINVAL;
 915
 916         f->type = V4L2_TUNER_ANALOG_TV;
 917         f->frequency = dev->freq;
 918
 919         call_all(dev, tuner, g_frequency, f);
 920
 921         return 0;
 922 }
 923
 924 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
 925 {
 926         struct v4l2_ctrl *mute;
 927         int old_mute_val = 1;
 928
 929         if (dev->tuner_type == TUNER_ABSENT)
 930                 return -EINVAL;
 931         if (unlikely(f->tuner != 0))
 932                 return -EINVAL;
 933
 934         dev->freq = f->frequency;
 935
 936         /* I need to mute audio here */
 937         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
 938         if (mute) {
 939                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
 940                 if (!old_mute_val)
 941                         v4l2_ctrl_s_ctrl(mute, 1);
 942         }
 943
 944         call_all(dev, tuner, s_frequency, f);
 945
 946         /* When changing channels it is required to reset TVAUDIO */
 947         msleep(100);
 948
 949         /* I need to unmute audio here */
 950         if (old_mute_val == 0)
 951                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
 952
 953         return 0;
 954 }
 955
 956 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
 957         const struct v4l2_frequency *f)
 958 {
 959         struct v4l2_ctrl *mute;
 960         int old_mute_val = 1;
 961         struct vb2_dvb_frontend *vfe;
 962         struct dvb_frontend *fe;
 963
 964         struct analog_parameters params = {
 965                 .mode      = V4L2_TUNER_ANALOG_TV,
 966                 .audmode   = V4L2_TUNER_MODE_STEREO,
 967                 .std       = dev->tvnorm,
 968                 .frequency = f->frequency
 969         };
 970
 971         dev->freq = f->frequency;
 972
 973         /* I need to mute audio here */
 974         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
 975         if (mute) {
 976                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
 977                 if (!old_mute_val)
 978                         v4l2_ctrl_s_ctrl(mute, 1);
 979         }
 980
 981         /* If HVR1850 */
 982         dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
 983                 params.frequency, f->tuner, params.std);
 984
 985         vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
 986         if (!vfe) {
 987                 return -EINVAL;
 988         }
 989
 990         fe = vfe->dvb.frontend;
 991
 992         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
 993             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
 994             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111))
 995                 fe = &dev->ts1.analog_fe;
 996
 997         if (fe && fe->ops.tuner_ops.set_analog_params) {
 998                 call_all(dev, video, s_std, dev->tvnorm);
 999                 fe->ops.tuner_ops.set_analog_params(fe, &params);
1000         }
1001         else
1002                 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
1003
1004         /* When changing channels it is required to reset TVAUDIO */
1005         msleep(100);
1006
1007         /* I need to unmute audio here */
1008         if (old_mute_val == 0)
1009                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1010
1011         return 0;
1012 }
1013
1014 int cx23885_set_frequency(struct file *file, void *priv,
1015         const struct v4l2_frequency *f)
1016 {
1017         struct cx23885_dev *dev = video_drvdata(file);
1018         int ret;
1019
1020         switch (dev->board) {
1021         case CX23885_BOARD_HAUPPAUGE_HVR1255:
1022         case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1023         case CX23885_BOARD_HAUPPAUGE_HVR1850:
1024                 ret = cx23885_set_freq_via_ops(dev, f);
1025                 break;
1026         default:
1027                 ret = cx23885_set_freq(dev, f);
1028         }
1029
1030         return ret;
1031 }
1032
1033 static int vidioc_s_frequency(struct file *file, void *priv,
1034         const struct v4l2_frequency *f)
1035 {
1036         return cx23885_set_frequency(file, priv, f);
1037 }
1038
1039 /* ----------------------------------------------------------- */
1040
1041 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1042 {
1043         u32 mask, count;
1044         int handled = 0;
1045
1046         mask   = cx_read(VID_A_INT_MSK);
1047         if (0 == (status & mask))
1048                 return handled;
1049
1050         cx_write(VID_A_INT_STAT, status);
1051
1052         /* risc op code error, fifo overflow or line sync detection error */
1053         if ((status & VID_BC_MSK_OPC_ERR) ||
1054                 (status & VID_BC_MSK_SYNC) ||
1055                 (status & VID_BC_MSK_OF)) {
1056
1057                 if (status & VID_BC_MSK_OPC_ERR) {
1058                         dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1059                                 VID_BC_MSK_OPC_ERR);
1060                         printk(KERN_WARNING "%s: video risc op code error\n",
1061                                 dev->name);
1062                         cx23885_sram_channel_dump(dev,
1063                                 &dev->sram_channels[SRAM_CH01]);
1064                 }
1065
1066                 if (status & VID_BC_MSK_SYNC)
1067                         dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
1068                                 "video lines miss-match\n",
1069                                 VID_BC_MSK_SYNC);
1070
1071                 if (status & VID_BC_MSK_OF)
1072                         dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1073                                 VID_BC_MSK_OF);
1074
1075         }
1076
1077         /* Video */
1078         if (status & VID_BC_MSK_RISCI1) {
1079                 spin_lock(&dev->slock);
1080                 count = cx_read(VID_A_GPCNT);
1081                 cx23885_video_wakeup(dev, &dev->vidq, count);
1082                 spin_unlock(&dev->slock);
1083                 handled++;
1084         }
1085
1086         /* Allow the VBI framework to process it's payload */
1087         handled += cx23885_vbi_irq(dev, status);
1088
1089         return handled;
1090 }
1091
1092 /* ----------------------------------------------------------- */
1093 /* exported stuff                                              */
1094
1095 static const struct v4l2_file_operations video_fops = {
1096         .owner         = THIS_MODULE,
1097         .open           = v4l2_fh_open,
1098         .release        = vb2_fop_release,
1099         .read           = vb2_fop_read,
1100         .poll           = vb2_fop_poll,
1101         .unlocked_ioctl = video_ioctl2,
1102         .mmap           = vb2_fop_mmap,
1103 };
1104
1105 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1106         .vidioc_querycap      = vidioc_querycap,
1107         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1108         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1109         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1110         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1111         .vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1112         .vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1113         .vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1114         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1115         .vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
1116         .vidioc_querybuf      = vb2_ioctl_querybuf,
1117         .vidioc_qbuf          = vb2_ioctl_qbuf,
1118         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1119         .vidioc_streamon      = vb2_ioctl_streamon,
1120         .vidioc_streamoff     = vb2_ioctl_streamoff,
1121         .vidioc_cropcap       = vidioc_cropcap,
1122         .vidioc_s_std         = vidioc_s_std,
1123         .vidioc_g_std         = vidioc_g_std,
1124         .vidioc_enum_input    = vidioc_enum_input,
1125         .vidioc_g_input       = vidioc_g_input,
1126         .vidioc_s_input       = vidioc_s_input,
1127         .vidioc_log_status    = vidioc_log_status,
1128         .vidioc_g_tuner       = vidioc_g_tuner,
1129         .vidioc_s_tuner       = vidioc_s_tuner,
1130         .vidioc_g_frequency   = vidioc_g_frequency,
1131         .vidioc_s_frequency   = vidioc_s_frequency,
1132 #ifdef CONFIG_VIDEO_ADV_DEBUG
1133         .vidioc_g_chip_info   = cx23885_g_chip_info,
1134         .vidioc_g_register    = cx23885_g_register,
1135         .vidioc_s_register    = cx23885_s_register,
1136 #endif
1137         .vidioc_enumaudio     = vidioc_enum_audinput,
1138         .vidioc_g_audio       = vidioc_g_audinput,
1139         .vidioc_s_audio       = vidioc_s_audinput,
1140         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1141         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1142 };
1143
1144 static struct video_device cx23885_vbi_template;
1145 static struct video_device cx23885_video_template = {
1146         .name                 = "cx23885-video",
1147         .fops                 = &video_fops,
1148         .ioctl_ops            = &video_ioctl_ops,
1149         .tvnorms              = CX23885_NORMS,
1150 };
1151
1152 void cx23885_video_unregister(struct cx23885_dev *dev)
1153 {
1154         dprintk(1, "%s()\n", __func__);
1155         cx23885_irq_remove(dev, 0x01);
1156
1157         if (dev->vbi_dev) {
1158                 if (video_is_registered(dev->vbi_dev))
1159                         video_unregister_device(dev->vbi_dev);
1160                 else
1161                         video_device_release(dev->vbi_dev);
1162                 dev->vbi_dev = NULL;
1163         }
1164         if (dev->video_dev) {
1165                 if (video_is_registered(dev->video_dev))
1166                         video_unregister_device(dev->video_dev);
1167                 else
1168                         video_device_release(dev->video_dev);
1169                 dev->video_dev = NULL;
1170         }
1171
1172         if (dev->audio_dev)
1173                 cx23885_audio_unregister(dev);
1174 }
1175
1176 int cx23885_video_register(struct cx23885_dev *dev)
1177 {
1178         struct vb2_queue *q;
1179         int err;
1180
1181         dprintk(1, "%s()\n", __func__);
1182
1183         /* Initialize VBI template */
1184         cx23885_vbi_template = cx23885_video_template;
1185         strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1186
1187         dev->tvnorm = V4L2_STD_NTSC_M;
1188         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1189         dev->field = V4L2_FIELD_INTERLACED;
1190         dev->width = 720;
1191         dev->height = norm_maxh(dev->tvnorm);
1192
1193         /* init video dma queues */
1194         INIT_LIST_HEAD(&dev->vidq.active);
1195
1196         /* init vbi dma queues */
1197         INIT_LIST_HEAD(&dev->vbiq.active);
1198
1199         cx23885_irq_add_enable(dev, 0x01);
1200
1201         if ((TUNER_ABSENT != dev->tuner_type) &&
1202                         ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1203                 struct v4l2_subdev *sd = NULL;
1204
1205                 if (dev->tuner_addr)
1206                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1207                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1208                                 "tuner", dev->tuner_addr, NULL);
1209                 else
1210                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1211                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1212                                 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1213                 if (sd) {
1214                         struct tuner_setup tun_setup;
1215
1216                         memset(&tun_setup, 0, sizeof(tun_setup));
1217                         tun_setup.mode_mask = T_ANALOG_TV;
1218                         tun_setup.type = dev->tuner_type;
1219                         tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1220                         tun_setup.tuner_callback = cx23885_tuner_callback;
1221
1222                         v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1223
1224                         if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1225                             (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1226                                 struct xc2028_ctrl ctrl = {
1227                                         .fname = XC2028_DEFAULT_FIRMWARE,
1228                                         .max_len = 64
1229                                 };
1230                                 struct v4l2_priv_tun_config cfg = {
1231                                         .tuner = dev->tuner_type,
1232                                         .priv = &ctrl
1233                                 };
1234                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1235                         }
1236
1237                         if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1238                                 struct xc2028_ctrl ctrl = {
1239                                         .fname = "xc3028L-v36.fw",
1240                                         .max_len = 64
1241                                 };
1242                                 struct v4l2_priv_tun_config cfg = {
1243                                         .tuner = dev->tuner_type,
1244                                         .priv = &ctrl
1245                                 };
1246                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1247                         }
1248                 }
1249         }
1250
1251         /* initial device configuration */
1252         mutex_lock(&dev->lock);
1253         cx23885_set_tvnorm(dev, dev->tvnorm);
1254         cx23885_video_mux(dev, 0);
1255         cx23885_audio_mux(dev, 0);
1256         mutex_unlock(&dev->lock);
1257
1258         q = &dev->vb2_vidq;
1259         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1260         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1261         q->gfp_flags = GFP_DMA32;
1262         q->min_buffers_needed = 2;
1263         q->drv_priv = dev;
1264         q->buf_struct_size = sizeof(struct cx23885_buffer);
1265         q->ops = &cx23885_video_qops;
1266         q->mem_ops = &vb2_dma_sg_memops;
1267         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1268         q->lock = &dev->lock;
1269
1270         err = vb2_queue_init(q);
1271         if (err < 0)
1272                 goto fail_unreg;
1273
1274         q = &dev->vb2_vbiq;
1275         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1276         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1277         q->gfp_flags = GFP_DMA32;
1278         q->min_buffers_needed = 2;
1279         q->drv_priv = dev;
1280         q->buf_struct_size = sizeof(struct cx23885_buffer);
1281         q->ops = &cx23885_vbi_qops;
1282         q->mem_ops = &vb2_dma_sg_memops;
1283         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1284         q->lock = &dev->lock;
1285
1286         err = vb2_queue_init(q);
1287         if (err < 0)
1288                 goto fail_unreg;
1289
1290         /* register Video device */
1291         dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1292                 &cx23885_video_template, "video");
1293         dev->video_dev->queue = &dev->vb2_vidq;
1294         err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1295                                     video_nr[dev->nr]);
1296         if (err < 0) {
1297                 printk(KERN_INFO "%s: can't register video device\n",
1298                         dev->name);
1299                 goto fail_unreg;
1300         }
1301         printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1302                dev->name, video_device_node_name(dev->video_dev));
1303
1304         /* register VBI device */
1305         dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1306                 &cx23885_vbi_template, "vbi");
1307         dev->vbi_dev->queue = &dev->vb2_vbiq;
1308         err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1309                                     vbi_nr[dev->nr]);
1310         if (err < 0) {
1311                 printk(KERN_INFO "%s: can't register vbi device\n",
1312                         dev->name);
1313                 goto fail_unreg;
1314         }
1315         printk(KERN_INFO "%s: registered device %s\n",
1316                dev->name, video_device_node_name(dev->vbi_dev));
1317
1318         /* Register ALSA audio device */
1319         dev->audio_dev = cx23885_audio_register(dev);
1320
1321         return 0;
1322
1323 fail_unreg:
1324         cx23885_video_unregister(dev);
1325         return err;
1326 }