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

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  Driver for the Conexant CX23885 PCIe bridge
   4  *
   5  *  Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
   6  */
   7
   8 #include "cx23885.h"
   9 #include "cx23885-video.h"
  10
  11 #include <linux/init.h>
  12 #include <linux/list.h>
  13 #include <linux/module.h>
  14 #include <linux/moduleparam.h>
  15 #include <linux/kmod.h>
  16 #include <linux/kernel.h>
  17 #include <linux/slab.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/delay.h>
  20 #include <linux/kthread.h>
  21 #include <asm/div64.h>
  22
  23 #include <media/v4l2-common.h>
  24 #include <media/v4l2-ioctl.h>
  25 #include <media/v4l2-event.h>
  26 #include "cx23885-ioctl.h"
  27 #include "xc2028.h"
  28
  29 #include <media/drv-intf/cx25840.h>
  30
  31 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
  32 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
  33 MODULE_LICENSE("GPL");
  34
  35 /* ------------------------------------------------------------------ */
  36
  37 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  38 static unsigned int vbi_nr[]   = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  39
  40 module_param_array(video_nr, int, NULL, 0444);
  41 module_param_array(vbi_nr,   int, NULL, 0444);
  42
  43 MODULE_PARM_DESC(video_nr, "video device numbers");
  44 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
  45
  46 static unsigned int video_debug;
  47 module_param(video_debug, int, 0644);
  48 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
  49
  50 static unsigned int irq_debug;
  51 module_param(irq_debug, int, 0644);
  52 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
  53
  54 static unsigned int vid_limit = 16;
  55 module_param(vid_limit, int, 0644);
  56 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
  57
  58 #define dprintk(level, fmt, arg...)\
  59         do { if (video_debug >= level)\
  60                 printk(KERN_DEBUG pr_fmt("%s: video:" fmt), \
  61                         __func__, ##arg); \
  62         } while (0)
  63
  64 /* ------------------------------------------------------------------- */
  65 /* static data                                                         */
  66
  67 #define FORMAT_FLAGS_PACKED       0x01
  68 static struct cx23885_fmt formats[] = {
  69         {
  70                 .fourcc   = V4L2_PIX_FMT_YUYV,
  71                 .depth    = 16,
  72                 .flags    = FORMAT_FLAGS_PACKED,
  73         }
  74 };
  75
  76 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
  77 {
  78         unsigned int i;
  79
  80         for (i = 0; i < ARRAY_SIZE(formats); i++)
  81                 if (formats[i].fourcc == fourcc)
  82                         return formats+i;
  83         return NULL;
  84 }
  85
  86 /* ------------------------------------------------------------------- */
  87
  88 void cx23885_video_wakeup(struct cx23885_dev *dev,
  89         struct cx23885_dmaqueue *q, u32 count)
  90 {
  91         struct cx23885_buffer *buf;
  92
  93         if (list_empty(&q->active))
  94                 return;
  95         buf = list_entry(q->active.next,
  96                         struct cx23885_buffer, queue);
  97
  98         buf->vb.sequence = q->count++;
  99         buf->vb.vb2_buf.timestamp = ktime_get_ns();
 100         dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf,
 101                         buf->vb.vb2_buf.index, count, q->count);
 102         list_del(&buf->queue);
 103         vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 104 }
 105
 106 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
 107 {
 108         struct v4l2_subdev_format format = {
 109                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
 110                 .format.code = MEDIA_BUS_FMT_FIXED,
 111         };
 112
 113         dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
 114                 __func__,
 115                 (unsigned int)norm,
 116                 v4l2_norm_to_name(norm));
 117
 118         if (dev->tvnorm == norm)
 119                 return 0;
 120
 121         if (dev->tvnorm != norm) {
 122                 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 123                     vb2_is_busy(&dev->vb2_mpegq))
 124                         return -EBUSY;
 125         }
 126
 127         dev->tvnorm = norm;
 128         dev->width = 720;
 129         dev->height = norm_maxh(norm);
 130         dev->field = V4L2_FIELD_INTERLACED;
 131
 132         call_all(dev, video, s_std, norm);
 133
 134         format.format.width = dev->width;
 135         format.format.height = dev->height;
 136         format.format.field = dev->field;
 137         call_all(dev, pad, set_fmt, NULL, &format);
 138
 139         return 0;
 140 }
 141
 142 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
 143                                     struct pci_dev *pci,
 144                                     struct video_device *template,
 145                                     char *type)
 146 {
 147         struct video_device *vfd;
 148         dprintk(1, "%s()\n", __func__);
 149
 150         vfd = video_device_alloc();
 151         if (NULL == vfd)
 152                 return NULL;
 153         *vfd = *template;
 154         vfd->v4l2_dev = &dev->v4l2_dev;
 155         vfd->release = video_device_release;
 156         vfd->lock = &dev->lock;
 157         snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
 158                  cx23885_boards[dev->board].name, type);
 159         video_set_drvdata(vfd, dev);
 160         return vfd;
 161 }
 162
 163 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
 164 {
 165         /* 8 bit registers, 8 bit values */
 166         u8 buf[] = { reg, data };
 167
 168         struct i2c_msg msg = { .addr = 0x98 >> 1,
 169                 .flags = 0, .buf = buf, .len = 2 };
 170
 171         return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
 172 }
 173
 174 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
 175 {
 176         /* 8 bit registers, 8 bit values */
 177         int ret;
 178         u8 b0[] = { reg };
 179         u8 b1[] = { 0 };
 180
 181         struct i2c_msg msg[] = {
 182                 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
 183                 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
 184         };
 185
 186         ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
 187         if (ret != 2)
 188                 pr_err("%s() error\n", __func__);
 189
 190         return b1[0];
 191 }
 192
 193 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
 194 {
 195         int i;
 196         dprintk(1, "Flatiron dump\n");
 197         for (i = 0; i < 0x24; i++) {
 198                 dprintk(1, "FI[%02x] = %02x\n", i,
 199                         cx23885_flatiron_read(dev, i));
 200         }
 201 }
 202
 203 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
 204 {
 205         u8 val;
 206         dprintk(1, "%s(input = %d)\n", __func__, input);
 207
 208         if (input == 1)
 209                 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
 210         else if (input == 2)
 211                 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
 212         else
 213                 return -EINVAL;
 214
 215         val |= 0x20; /* Enable clock to delta-sigma and dec filter */
 216
 217         cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
 218
 219         /* Wake up */
 220         cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
 221
 222         if (video_debug)
 223                 cx23885_flatiron_dump(dev);
 224
 225         return 0;
 226 }
 227
 228 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
 229 {
 230         dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
 231                 __func__,
 232                 input, INPUT(input)->vmux,
 233                 INPUT(input)->gpio0, INPUT(input)->gpio1,
 234                 INPUT(input)->gpio2, INPUT(input)->gpio3);
 235         dev->input = input;
 236
 237         if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
 238                 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
 239                 dev->board == CX23885_BOARD_MYGICA_X8507) {
 240                 /* Select Analog TV */
 241                 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
 242                         cx23885_gpio_clear(dev, GPIO_0);
 243         }
 244
 245         /* Tell the internal A/V decoder */
 246         v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
 247                         INPUT(input)->vmux, 0, 0);
 248
 249         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
 250                 (dev->board == CX23885_BOARD_MPX885) ||
 251                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
 252                 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) ||
 253                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
 254                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
 255                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) ||
 256                 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC) ||
 257                 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) ||
 258                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
 259                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR5525) ||
 260                 (dev->board == CX23885_BOARD_MYGICA_X8507) ||
 261                 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) ||
 262                 (dev->board == CX23885_BOARD_VIEWCAST_260E) ||
 263                 (dev->board == CX23885_BOARD_VIEWCAST_460E) ||
 264                 (dev->board == CX23885_BOARD_AVERMEDIA_CE310B)) {
 265                 /* Configure audio routing */
 266                 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
 267                         INPUT(input)->amux, 0, 0);
 268
 269                 if (INPUT(input)->amux == CX25840_AUDIO7)
 270                         cx23885_flatiron_mux(dev, 1);
 271                 else if (INPUT(input)->amux == CX25840_AUDIO6)
 272                         cx23885_flatiron_mux(dev, 2);
 273         }
 274
 275         return 0;
 276 }
 277
 278 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
 279 {
 280         dprintk(1, "%s(input=%d)\n", __func__, input);
 281
 282         /* The baseband video core of the cx23885 has two audio inputs.
 283          * LR1 and LR2. In almost every single case so far only HVR1xxx
 284          * cards we've only ever supported LR1. Time to support LR2,
 285          * which is available via the optional white breakout header on
 286          * the board.
 287          * We'll use a could of existing enums in the card struct to allow
 288          * devs to specify which baseband input they need, or just default
 289          * to what we've always used.
 290          */
 291         if (INPUT(input)->amux == CX25840_AUDIO7)
 292                 cx23885_flatiron_mux(dev, 1);
 293         else if (INPUT(input)->amux == CX25840_AUDIO6)
 294                 cx23885_flatiron_mux(dev, 2);
 295         else {
 296                 /* Not specifically defined, assume the default. */
 297                 cx23885_flatiron_mux(dev, 1);
 298         }
 299
 300         return 0;
 301 }
 302
 303 /* ------------------------------------------------------------------ */
 304 static int cx23885_start_video_dma(struct cx23885_dev *dev,
 305                            struct cx23885_dmaqueue *q,
 306                            struct cx23885_buffer *buf)
 307 {
 308         dprintk(1, "%s()\n", __func__);
 309
 310         /* Stop the dma/fifo before we tamper with it's risc programs */
 311         cx_clear(VID_A_DMA_CTL, 0x11);
 312
 313         /* setup fifo + format */
 314         cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
 315                                 buf->bpl, buf->risc.dma);
 316
 317         /* reset counter */
 318         cx_write(VID_A_GPCNT_CTL, 3);
 319         q->count = 0;
 320
 321         /* enable irq */
 322         cx23885_irq_add_enable(dev, 0x01);
 323         cx_set(VID_A_INT_MSK, 0x000011);
 324
 325         /* start dma */
 326         cx_set(DEV_CNTRL2, (1<<5));
 327         cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
 328
 329         return 0;
 330 }
 331
 332 static int queue_setup(struct vb2_queue *q,
 333                            unsigned int *num_buffers, unsigned int *num_planes,
 334                            unsigned int sizes[], struct device *alloc_devs[])
 335 {
 336         struct cx23885_dev *dev = q->drv_priv;
 337
 338         *num_planes = 1;
 339         sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
 340         return 0;
 341 }
 342
 343 static int buffer_prepare(struct vb2_buffer *vb)
 344 {
 345         int ret;
 346         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 347         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 348         struct cx23885_buffer *buf =
 349                 container_of(vbuf, struct cx23885_buffer, vb);
 350         u32 line0_offset, line1_offset;
 351         struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
 352         int field_tff;
 353
 354         buf->bpl = (dev->width * dev->fmt->depth) >> 3;
 355
 356         if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
 357                 return -EINVAL;
 358         vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
 359
 360         switch (dev->field) {
 361         case V4L2_FIELD_TOP:
 362                 ret = cx23885_risc_buffer(dev->pci, &buf->risc,
 363                                 sgt->sgl, 0, UNSET,
 364                                 buf->bpl, 0, dev->height);
 365                 break;
 366         case V4L2_FIELD_BOTTOM:
 367                 ret = cx23885_risc_buffer(dev->pci, &buf->risc,
 368                                 sgt->sgl, UNSET, 0,
 369                                 buf->bpl, 0, dev->height);
 370                 break;
 371         case V4L2_FIELD_INTERLACED:
 372                 if (dev->tvnorm & V4L2_STD_525_60)
 373                         /* NTSC or  */
 374                         field_tff = 1;
 375                 else
 376                         field_tff = 0;
 377
 378                 if (cx23885_boards[dev->board].force_bff)
 379                         /* PAL / SECAM OR 888 in NTSC MODE */
 380                         field_tff = 0;
 381
 382                 if (field_tff) {
 383                         /* cx25840 transmits NTSC bottom field first */
 384                         dprintk(1, "%s() Creating TFF/NTSC risc\n",
 385                                         __func__);
 386                         line0_offset = buf->bpl;
 387                         line1_offset = 0;
 388                 } else {
 389                         /* All other formats are top field first */
 390                         dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
 391                                         __func__);
 392                         line0_offset = 0;
 393                         line1_offset = buf->bpl;
 394                 }
 395                 ret = cx23885_risc_buffer(dev->pci, &buf->risc,
 396                                 sgt->sgl, line0_offset,
 397                                 line1_offset,
 398                                 buf->bpl, buf->bpl,
 399                                 dev->height >> 1);
 400                 break;
 401         case V4L2_FIELD_SEQ_TB:
 402                 ret = cx23885_risc_buffer(dev->pci, &buf->risc,
 403                                 sgt->sgl,
 404                                 0, buf->bpl * (dev->height >> 1),
 405                                 buf->bpl, 0,
 406                                 dev->height >> 1);
 407                 break;
 408         case V4L2_FIELD_SEQ_BT:
 409                 ret = cx23885_risc_buffer(dev->pci, &buf->risc,
 410                                 sgt->sgl,
 411                                 buf->bpl * (dev->height >> 1), 0,
 412                                 buf->bpl, 0,
 413                                 dev->height >> 1);
 414                 break;
 415         default:
 416                 return -EINVAL; /* should not happen */
 417         }
 418         dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
 419                 buf, buf->vb.vb2_buf.index,
 420                 dev->width, dev->height, dev->fmt->depth, dev->fmt->fourcc,
 421                 (unsigned long)buf->risc.dma);
 422         return ret;
 423 }
 424
 425 static void buffer_finish(struct vb2_buffer *vb)
 426 {
 427         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 428         struct cx23885_buffer *buf = container_of(vbuf,
 429                 struct cx23885_buffer, vb);
 430
 431         cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
 432 }
 433
 434 /*
 435  * The risc program for each buffer works as follows: it starts with a simple
 436  * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
 437  * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
 438  * the initial JUMP).
 439  *
 440  * This is the risc program of the first buffer to be queued if the active list
 441  * is empty and it just keeps DMAing this buffer without generating any
 442  * interrupts.
 443  *
 444  * If a new buffer is added then the initial JUMP in the code for that buffer
 445  * will generate an interrupt which signals that the previous buffer has been
 446  * DMAed successfully and that it can be returned to userspace.
 447  *
 448  * It also sets the final jump of the previous buffer to the start of the new
 449  * buffer, thus chaining the new buffer into the DMA chain. This is a single
 450  * atomic u32 write, so there is no race condition.
 451  *
 452  * The end-result of all this that you only get an interrupt when a buffer
 453  * is ready, so the control flow is very easy.
 454  */
 455 static void buffer_queue(struct vb2_buffer *vb)
 456 {
 457         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 458         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 459         struct cx23885_buffer   *buf = container_of(vbuf,
 460                 struct cx23885_buffer, vb);
 461         struct cx23885_buffer   *prev;
 462         struct cx23885_dmaqueue *q    = &dev->vidq;
 463         unsigned long flags;
 464
 465         /* add jump to start */
 466         buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
 467         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
 468         buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
 469         buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
 470
 471         spin_lock_irqsave(&dev->slock, flags);
 472         if (list_empty(&q->active)) {
 473                 list_add_tail(&buf->queue, &q->active);
 474                 dprintk(2, "[%p/%d] buffer_queue - first active\n",
 475                         buf, buf->vb.vb2_buf.index);
 476         } else {
 477                 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
 478                 prev = list_entry(q->active.prev, struct cx23885_buffer,
 479                         queue);
 480                 list_add_tail(&buf->queue, &q->active);
 481                 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 482                 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
 483                                 buf, buf->vb.vb2_buf.index);
 484         }
 485         spin_unlock_irqrestore(&dev->slock, flags);
 486 }
 487
 488 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
 489 {
 490         struct cx23885_dev *dev = q->drv_priv;
 491         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 492         struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 493                         struct cx23885_buffer, queue);
 494
 495         cx23885_start_video_dma(dev, dmaq, buf);
 496         return 0;
 497 }
 498
 499 static void cx23885_stop_streaming(struct vb2_queue *q)
 500 {
 501         struct cx23885_dev *dev = q->drv_priv;
 502         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 503         unsigned long flags;
 504
 505         cx_clear(VID_A_DMA_CTL, 0x11);
 506         spin_lock_irqsave(&dev->slock, flags);
 507         while (!list_empty(&dmaq->active)) {
 508                 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 509                         struct cx23885_buffer, queue);
 510
 511                 list_del(&buf->queue);
 512                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 513         }
 514         spin_unlock_irqrestore(&dev->slock, flags);
 515 }
 516
 517 static const struct vb2_ops cx23885_video_qops = {
 518         .queue_setup    = queue_setup,
 519         .buf_prepare  = buffer_prepare,
 520         .buf_finish = buffer_finish,
 521         .buf_queue    = buffer_queue,
 522         .wait_prepare = vb2_ops_wait_prepare,
 523         .wait_finish = vb2_ops_wait_finish,
 524         .start_streaming = cx23885_start_streaming,
 525         .stop_streaming = cx23885_stop_streaming,
 526 };
 527
 528 /* ------------------------------------------------------------------ */
 529 /* VIDEO IOCTLS                                                       */
 530
 531 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 532         struct v4l2_format *f)
 533 {
 534         struct cx23885_dev *dev = video_drvdata(file);
 535
 536         f->fmt.pix.width        = dev->width;
 537         f->fmt.pix.height       = dev->height;
 538         f->fmt.pix.field        = dev->field;
 539         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
 540         f->fmt.pix.bytesperline =
 541                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
 542         f->fmt.pix.sizeimage =
 543                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 544         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 545
 546         return 0;
 547 }
 548
 549 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 550         struct v4l2_format *f)
 551 {
 552         struct cx23885_dev *dev = video_drvdata(file);
 553         struct cx23885_fmt *fmt;
 554         enum v4l2_field   field;
 555         unsigned int      maxw, maxh;
 556
 557         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 558         if (NULL == fmt)
 559                 return -EINVAL;
 560
 561         field = f->fmt.pix.field;
 562         maxw  = 720;
 563         maxh  = norm_maxh(dev->tvnorm);
 564
 565         if (V4L2_FIELD_ANY == field) {
 566                 field = (f->fmt.pix.height > maxh/2)
 567                         ? V4L2_FIELD_INTERLACED
 568                         : V4L2_FIELD_BOTTOM;
 569         }
 570
 571         switch (field) {
 572         case V4L2_FIELD_TOP:
 573         case V4L2_FIELD_BOTTOM:
 574                 maxh = maxh / 2;
 575                 break;
 576         case V4L2_FIELD_INTERLACED:
 577         case V4L2_FIELD_SEQ_TB:
 578         case V4L2_FIELD_SEQ_BT:
 579                 break;
 580         default:
 581                 field = V4L2_FIELD_INTERLACED;
 582                 break;
 583         }
 584
 585         f->fmt.pix.field = field;
 586         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 587                               &f->fmt.pix.height, 32, maxh, 0, 0);
 588         f->fmt.pix.bytesperline =
 589                 (f->fmt.pix.width * fmt->depth) >> 3;
 590         f->fmt.pix.sizeimage =
 591                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 592         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 593
 594         return 0;
 595 }
 596
 597 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 598         struct v4l2_format *f)
 599 {
 600         struct cx23885_dev *dev = video_drvdata(file);
 601         struct v4l2_subdev_format format = {
 602                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
 603         };
 604         int err;
 605
 606         dprintk(2, "%s()\n", __func__);
 607         err = vidioc_try_fmt_vid_cap(file, priv, f);
 608
 609         if (0 != err)
 610                 return err;
 611
 612         if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 613             vb2_is_busy(&dev->vb2_mpegq))
 614                 return -EBUSY;
 615
 616         dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
 617         dev->width      = f->fmt.pix.width;
 618         dev->height     = f->fmt.pix.height;
 619         dev->field      = f->fmt.pix.field;
 620         dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
 621                 dev->width, dev->height, dev->field);
 622         v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
 623         call_all(dev, pad, set_fmt, NULL, &format);
 624         v4l2_fill_pix_format(&f->fmt.pix, &format.format);
 625         /* set_fmt overwrites f->fmt.pix.field, restore it */
 626         f->fmt.pix.field = dev->field;
 627         return 0;
 628 }
 629
 630 static int vidioc_querycap(struct file *file, void  *priv,
 631         struct v4l2_capability *cap)
 632 {
 633         struct cx23885_dev *dev = video_drvdata(file);
 634
 635         strscpy(cap->driver, "cx23885", sizeof(cap->driver));
 636         strscpy(cap->card, cx23885_boards[dev->board].name,
 637                 sizeof(cap->card));
 638         sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
 639         cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
 640                             V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE |
 641                             V4L2_CAP_VIDEO_CAPTURE |
 642                             V4L2_CAP_DEVICE_CAPS;
 643         switch (dev->board) { /* i2c device tuners */
 644         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
 645         case CX23885_BOARD_HAUPPAUGE_HVR5525:
 646         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
 647         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
 648                 cap->capabilities |= V4L2_CAP_TUNER;
 649                 break;
 650         default:
 651                 if (dev->tuner_type != TUNER_ABSENT)
 652                         cap->capabilities |= V4L2_CAP_TUNER;
 653                 break;
 654         }
 655         return 0;
 656 }
 657
 658 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 659         struct v4l2_fmtdesc *f)
 660 {
 661         if (unlikely(f->index >= ARRAY_SIZE(formats)))
 662                 return -EINVAL;
 663
 664         f->pixelformat = formats[f->index].fourcc;
 665
 666         return 0;
 667 }
 668
 669 static int vidioc_g_pixelaspect(struct file *file, void *priv,
 670                                 int type, struct v4l2_fract *f)
 671 {
 672         struct cx23885_dev *dev = video_drvdata(file);
 673         bool is_50hz = dev->tvnorm & V4L2_STD_625_50;
 674
 675         if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 676                 return -EINVAL;
 677
 678         f->numerator = is_50hz ? 54 : 11;
 679         f->denominator = is_50hz ? 59 : 10;
 680
 681         return 0;
 682 }
 683
 684 static int vidioc_g_selection(struct file *file, void *fh,
 685                               struct v4l2_selection *sel)
 686 {
 687         struct cx23885_dev *dev = video_drvdata(file);
 688
 689         if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 690                 return -EINVAL;
 691
 692         switch (sel->target) {
 693         case V4L2_SEL_TGT_CROP_BOUNDS:
 694         case V4L2_SEL_TGT_CROP_DEFAULT:
 695                 sel->r.top = 0;
 696                 sel->r.left = 0;
 697                 sel->r.width = 720;
 698                 sel->r.height = norm_maxh(dev->tvnorm);
 699                 break;
 700         default:
 701                 return -EINVAL;
 702         }
 703         return 0;
 704 }
 705
 706 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
 707 {
 708         struct cx23885_dev *dev = video_drvdata(file);
 709         dprintk(1, "%s()\n", __func__);
 710
 711         *id = dev->tvnorm;
 712         return 0;
 713 }
 714
 715 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 716 {
 717         struct cx23885_dev *dev = video_drvdata(file);
 718         dprintk(1, "%s()\n", __func__);
 719
 720         return cx23885_set_tvnorm(dev, tvnorms);
 721 }
 722
 723 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
 724 {
 725         static const char *iname[] = {
 726                 [CX23885_VMUX_COMPOSITE1] = "Composite1",
 727                 [CX23885_VMUX_COMPOSITE2] = "Composite2",
 728                 [CX23885_VMUX_COMPOSITE3] = "Composite3",
 729                 [CX23885_VMUX_COMPOSITE4] = "Composite4",
 730                 [CX23885_VMUX_SVIDEO]     = "S-Video",
 731                 [CX23885_VMUX_COMPONENT]  = "Component",
 732                 [CX23885_VMUX_TELEVISION] = "Television",
 733                 [CX23885_VMUX_CABLE]      = "Cable TV",
 734                 [CX23885_VMUX_DVB]        = "DVB",
 735                 [CX23885_VMUX_DEBUG]      = "for debug only",
 736         };
 737         unsigned int n;
 738         dprintk(1, "%s()\n", __func__);
 739
 740         n = i->index;
 741         if (n >= MAX_CX23885_INPUT)
 742                 return -EINVAL;
 743
 744         if (0 == INPUT(n)->type)
 745                 return -EINVAL;
 746
 747         i->index = n;
 748         i->type  = V4L2_INPUT_TYPE_CAMERA;
 749         strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name));
 750         i->std = CX23885_NORMS;
 751         if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
 752                 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
 753                 i->type = V4L2_INPUT_TYPE_TUNER;
 754                 i->audioset = 4;
 755         } else {
 756                 /* Two selectable audio inputs for non-tv inputs */
 757                 i->audioset = 3;
 758         }
 759
 760         if (dev->input == n) {
 761                 /* enum'd input matches our configured input.
 762                  * Ask the video decoder to process the call
 763                  * and give it an oppertunity to update the
 764                  * status field.
 765                  */
 766                 call_all(dev, video, g_input_status, &i->status);
 767         }
 768
 769         return 0;
 770 }
 771
 772 static int vidioc_enum_input(struct file *file, void *priv,
 773                                 struct v4l2_input *i)
 774 {
 775         struct cx23885_dev *dev = video_drvdata(file);
 776         dprintk(1, "%s()\n", __func__);
 777         return cx23885_enum_input(dev, i);
 778 }
 779
 780 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
 781 {
 782         struct cx23885_dev *dev = video_drvdata(file);
 783
 784         *i = dev->input;
 785         dprintk(1, "%s() returns %d\n", __func__, *i);
 786         return 0;
 787 }
 788
 789 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 790 {
 791         return cx23885_get_input(file, priv, i);
 792 }
 793
 794 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
 795 {
 796         struct cx23885_dev *dev = video_drvdata(file);
 797
 798         dprintk(1, "%s(%d)\n", __func__, i);
 799
 800         if (i >= MAX_CX23885_INPUT) {
 801                 dprintk(1, "%s() -EINVAL\n", __func__);
 802                 return -EINVAL;
 803         }
 804
 805         if (INPUT(i)->type == 0)
 806                 return -EINVAL;
 807
 808         cx23885_video_mux(dev, i);
 809
 810         /* By default establish the default audio input for the card also */
 811         /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
 812         cx23885_audio_mux(dev, i);
 813         return 0;
 814 }
 815
 816 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 817 {
 818         return cx23885_set_input(file, priv, i);
 819 }
 820
 821 static int vidioc_log_status(struct file *file, void *priv)
 822 {
 823         struct cx23885_dev *dev = video_drvdata(file);
 824
 825         call_all(dev, core, log_status);
 826         return 0;
 827 }
 828
 829 static int cx23885_query_audinput(struct file *file, void *priv,
 830         struct v4l2_audio *i)
 831 {
 832         static const char *iname[] = {
 833                 [0] = "Baseband L/R 1",
 834                 [1] = "Baseband L/R 2",
 835                 [2] = "TV",
 836         };
 837         unsigned int n;
 838         dprintk(1, "%s()\n", __func__);
 839
 840         n = i->index;
 841         if (n >= 3)
 842                 return -EINVAL;
 843
 844         memset(i, 0, sizeof(*i));
 845         i->index = n;
 846         strscpy(i->name, iname[n], sizeof(i->name));
 847         i->capability = V4L2_AUDCAP_STEREO;
 848         return 0;
 849
 850 }
 851
 852 static int vidioc_enum_audinput(struct file *file, void *priv,
 853                                 struct v4l2_audio *i)
 854 {
 855         return cx23885_query_audinput(file, priv, i);
 856 }
 857
 858 static int vidioc_g_audinput(struct file *file, void *priv,
 859         struct v4l2_audio *i)
 860 {
 861         struct cx23885_dev *dev = video_drvdata(file);
 862
 863         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 864                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type))
 865                 i->index = 2;
 866         else
 867                 i->index = dev->audinput;
 868         dprintk(1, "%s(input=%d)\n", __func__, i->index);
 869
 870         return cx23885_query_audinput(file, priv, i);
 871 }
 872
 873 static int vidioc_s_audinput(struct file *file, void *priv,
 874         const struct v4l2_audio *i)
 875 {
 876         struct cx23885_dev *dev = video_drvdata(file);
 877
 878         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 879                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
 880                 return i->index != 2 ? -EINVAL : 0;
 881         }
 882         if (i->index > 1)
 883                 return -EINVAL;
 884
 885         dprintk(1, "%s(%d)\n", __func__, i->index);
 886
 887         dev->audinput = i->index;
 888
 889         /* Skip the audio defaults from the cards struct, caller wants
 890          * directly touch the audio mux hardware. */
 891         cx23885_flatiron_mux(dev, dev->audinput + 1);
 892         return 0;
 893 }
 894
 895 static int vidioc_g_tuner(struct file *file, void *priv,
 896                                 struct v4l2_tuner *t)
 897 {
 898         struct cx23885_dev *dev = video_drvdata(file);
 899
 900         switch (dev->board) { /* i2c device tuners */
 901         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
 902         case CX23885_BOARD_HAUPPAUGE_HVR5525:
 903         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
 904         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
 905                 break;
 906         default:
 907                 if (dev->tuner_type == TUNER_ABSENT)
 908                         return -EINVAL;
 909                 break;
 910         }
 911         if (0 != t->index)
 912                 return -EINVAL;
 913
 914         strscpy(t->name, "Television", sizeof(t->name));
 915
 916         call_all(dev, tuner, g_tuner, t);
 917         return 0;
 918 }
 919
 920 static int vidioc_s_tuner(struct file *file, void *priv,
 921                                 const struct v4l2_tuner *t)
 922 {
 923         struct cx23885_dev *dev = video_drvdata(file);
 924
 925         switch (dev->board) { /* i2c device tuners */
 926         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
 927         case CX23885_BOARD_HAUPPAUGE_HVR5525:
 928         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
 929         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
 930                 break;
 931         default:
 932                 if (dev->tuner_type == TUNER_ABSENT)
 933                         return -EINVAL;
 934                 break;
 935         }
 936         if (0 != t->index)
 937                 return -EINVAL;
 938         /* Update the A/V core */
 939         call_all(dev, tuner, s_tuner, t);
 940
 941         return 0;
 942 }
 943
 944 static int vidioc_g_frequency(struct file *file, void *priv,
 945                                 struct v4l2_frequency *f)
 946 {
 947         struct cx23885_dev *dev = video_drvdata(file);
 948
 949         switch (dev->board) { /* i2c device tuners */
 950         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
 951         case CX23885_BOARD_HAUPPAUGE_HVR5525:
 952         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
 953         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
 954                 break;
 955         default:
 956                 if (dev->tuner_type == TUNER_ABSENT)
 957                         return -EINVAL;
 958                 break;
 959         }
 960         f->type = V4L2_TUNER_ANALOG_TV;
 961         f->frequency = dev->freq;
 962
 963         call_all(dev, tuner, g_frequency, f);
 964
 965         return 0;
 966 }
 967
 968 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
 969 {
 970         struct v4l2_ctrl *mute;
 971         int old_mute_val = 1;
 972
 973         switch (dev->board) { /* i2c device tuners */
 974         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
 975         case CX23885_BOARD_HAUPPAUGE_HVR5525:
 976         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
 977         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
 978                 break;
 979         default:
 980                 if (dev->tuner_type == TUNER_ABSENT)
 981                         return -EINVAL;
 982                 break;
 983         }
 984         if (unlikely(f->tuner != 0))
 985                 return -EINVAL;
 986
 987         dev->freq = f->frequency;
 988
 989         /* I need to mute audio here */
 990         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
 991         if (mute) {
 992                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
 993                 if (!old_mute_val)
 994                         v4l2_ctrl_s_ctrl(mute, 1);
 995         }
 996
 997         call_all(dev, tuner, s_frequency, f);
 998
 999         /* When changing channels it is required to reset TVAUDIO */
1000         msleep(100);
1001
1002         /* I need to unmute audio here */
1003         if (old_mute_val == 0)
1004                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1005
1006         return 0;
1007 }
1008
1009 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
1010         const struct v4l2_frequency *f)
1011 {
1012         struct v4l2_ctrl *mute;
1013         int old_mute_val = 1;
1014         struct vb2_dvb_frontend *vfe;
1015         struct dvb_frontend *fe;
1016
1017         struct analog_parameters params = {
1018                 .mode      = V4L2_TUNER_ANALOG_TV,
1019                 .audmode   = V4L2_TUNER_MODE_STEREO,
1020                 .std       = dev->tvnorm,
1021                 .frequency = f->frequency
1022         };
1023
1024         dev->freq = f->frequency;
1025
1026         /* I need to mute audio here */
1027         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
1028         if (mute) {
1029                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
1030                 if (!old_mute_val)
1031                         v4l2_ctrl_s_ctrl(mute, 1);
1032         }
1033
1034         /* If HVR1850 */
1035         dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
1036                 params.frequency, f->tuner, params.std);
1037
1038         vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
1039         if (!vfe) {
1040                 return -EINVAL;
1041         }
1042
1043         fe = vfe->dvb.frontend;
1044
1045         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
1046             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
1047             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
1048             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) ||
1049             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR5525) ||
1050             (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) ||
1051             (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC))
1052                 fe = &dev->ts1.analog_fe;
1053
1054         if (fe && fe->ops.tuner_ops.set_analog_params) {
1055                 call_all(dev, video, s_std, dev->tvnorm);
1056                 fe->ops.tuner_ops.set_analog_params(fe, &params);
1057         }
1058         else
1059                 pr_err("%s() No analog tuner, aborting\n", __func__);
1060
1061         /* When changing channels it is required to reset TVAUDIO */
1062         msleep(100);
1063
1064         /* I need to unmute audio here */
1065         if (old_mute_val == 0)
1066                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1067
1068         return 0;
1069 }
1070
1071 int cx23885_set_frequency(struct file *file, void *priv,
1072         const struct v4l2_frequency *f)
1073 {
1074         struct cx23885_dev *dev = video_drvdata(file);
1075         int ret;
1076
1077         switch (dev->board) {
1078         case CX23885_BOARD_HAUPPAUGE_HVR1255:
1079         case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1080         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1081         case CX23885_BOARD_HAUPPAUGE_HVR1850:
1082         case CX23885_BOARD_HAUPPAUGE_HVR5525:
1083         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
1084         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
1085                 ret = cx23885_set_freq_via_ops(dev, f);
1086                 break;
1087         default:
1088                 ret = cx23885_set_freq(dev, f);
1089         }
1090
1091         return ret;
1092 }
1093
1094 static int vidioc_s_frequency(struct file *file, void *priv,
1095         const struct v4l2_frequency *f)
1096 {
1097         return cx23885_set_frequency(file, priv, f);
1098 }
1099
1100 /* ----------------------------------------------------------- */
1101
1102 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1103 {
1104         u32 mask, count;
1105         int handled = 0;
1106
1107         mask   = cx_read(VID_A_INT_MSK);
1108         if (0 == (status & mask))
1109                 return handled;
1110
1111         cx_write(VID_A_INT_STAT, status);
1112
1113         /* risc op code error, fifo overflow or line sync detection error */
1114         if ((status & VID_BC_MSK_OPC_ERR) ||
1115                 (status & VID_BC_MSK_SYNC) ||
1116                 (status & VID_BC_MSK_OF)) {
1117
1118                 if (status & VID_BC_MSK_OPC_ERR) {
1119                         dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1120                                 VID_BC_MSK_OPC_ERR);
1121                         pr_warn("%s: video risc op code error\n",
1122                                 dev->name);
1123                         cx23885_sram_channel_dump(dev,
1124                                 &dev->sram_channels[SRAM_CH01]);
1125                 }
1126
1127                 if (status & VID_BC_MSK_SYNC)
1128                         dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) video lines miss-match\n",
1129                                 VID_BC_MSK_SYNC);
1130
1131                 if (status & VID_BC_MSK_OF)
1132                         dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1133                                 VID_BC_MSK_OF);
1134
1135         }
1136
1137         /* Video */
1138         if (status & VID_BC_MSK_RISCI1) {
1139                 spin_lock(&dev->slock);
1140                 count = cx_read(VID_A_GPCNT);
1141                 cx23885_video_wakeup(dev, &dev->vidq, count);
1142                 spin_unlock(&dev->slock);
1143                 handled++;
1144         }
1145
1146         /* Allow the VBI framework to process it's payload */
1147         handled += cx23885_vbi_irq(dev, status);
1148
1149         return handled;
1150 }
1151
1152 /* ----------------------------------------------------------- */
1153 /* exported stuff                                              */
1154
1155 static const struct v4l2_file_operations video_fops = {
1156         .owner         = THIS_MODULE,
1157         .open           = v4l2_fh_open,
1158         .release        = vb2_fop_release,
1159         .read           = vb2_fop_read,
1160         .poll           = vb2_fop_poll,
1161         .unlocked_ioctl = video_ioctl2,
1162         .mmap           = vb2_fop_mmap,
1163 };
1164
1165 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1166         .vidioc_querycap      = vidioc_querycap,
1167         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1168         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1169         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1170         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1171         .vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1172         .vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1173         .vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1174         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1175         .vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
1176         .vidioc_querybuf      = vb2_ioctl_querybuf,
1177         .vidioc_qbuf          = vb2_ioctl_qbuf,
1178         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1179         .vidioc_streamon      = vb2_ioctl_streamon,
1180         .vidioc_streamoff     = vb2_ioctl_streamoff,
1181         .vidioc_g_pixelaspect = vidioc_g_pixelaspect,
1182         .vidioc_g_selection   = vidioc_g_selection,
1183         .vidioc_s_std         = vidioc_s_std,
1184         .vidioc_g_std         = vidioc_g_std,
1185         .vidioc_enum_input    = vidioc_enum_input,
1186         .vidioc_g_input       = vidioc_g_input,
1187         .vidioc_s_input       = vidioc_s_input,
1188         .vidioc_log_status    = vidioc_log_status,
1189         .vidioc_g_tuner       = vidioc_g_tuner,
1190         .vidioc_s_tuner       = vidioc_s_tuner,
1191         .vidioc_g_frequency   = vidioc_g_frequency,
1192         .vidioc_s_frequency   = vidioc_s_frequency,
1193 #ifdef CONFIG_VIDEO_ADV_DEBUG
1194         .vidioc_g_chip_info   = cx23885_g_chip_info,
1195         .vidioc_g_register    = cx23885_g_register,
1196         .vidioc_s_register    = cx23885_s_register,
1197 #endif
1198         .vidioc_enumaudio     = vidioc_enum_audinput,
1199         .vidioc_g_audio       = vidioc_g_audinput,
1200         .vidioc_s_audio       = vidioc_s_audinput,
1201         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1202         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1203 };
1204
1205 static struct video_device cx23885_vbi_template;
1206 static struct video_device cx23885_video_template = {
1207         .name                 = "cx23885-video",
1208         .fops                 = &video_fops,
1209         .ioctl_ops            = &video_ioctl_ops,
1210         .tvnorms              = CX23885_NORMS,
1211 };
1212
1213 void cx23885_video_unregister(struct cx23885_dev *dev)
1214 {
1215         dprintk(1, "%s()\n", __func__);
1216         cx23885_irq_remove(dev, 0x01);
1217
1218         if (dev->vbi_dev) {
1219                 if (video_is_registered(dev->vbi_dev))
1220                         video_unregister_device(dev->vbi_dev);
1221                 else
1222                         video_device_release(dev->vbi_dev);
1223                 dev->vbi_dev = NULL;
1224         }
1225         if (dev->video_dev) {
1226                 if (video_is_registered(dev->video_dev))
1227                         video_unregister_device(dev->video_dev);
1228                 else
1229                         video_device_release(dev->video_dev);
1230                 dev->video_dev = NULL;
1231         }
1232
1233         if (dev->audio_dev)
1234                 cx23885_audio_unregister(dev);
1235 }
1236
1237 int cx23885_video_register(struct cx23885_dev *dev)
1238 {
1239         struct vb2_queue *q;
1240         int err;
1241
1242         dprintk(1, "%s()\n", __func__);
1243
1244         /* Initialize VBI template */
1245         cx23885_vbi_template = cx23885_video_template;
1246         strscpy(cx23885_vbi_template.name, "cx23885-vbi",
1247                 sizeof(cx23885_vbi_template.name));
1248
1249         dev->tvnorm = V4L2_STD_NTSC_M;
1250         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1251         dev->field = V4L2_FIELD_INTERLACED;
1252         dev->width = 720;
1253         dev->height = norm_maxh(dev->tvnorm);
1254
1255         /* init video dma queues */
1256         INIT_LIST_HEAD(&dev->vidq.active);
1257
1258         /* init vbi dma queues */
1259         INIT_LIST_HEAD(&dev->vbiq.active);
1260
1261         cx23885_irq_add_enable(dev, 0x01);
1262
1263         if ((TUNER_ABSENT != dev->tuner_type) &&
1264                         ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1265                 struct v4l2_subdev *sd = NULL;
1266
1267                 if (dev->tuner_addr)
1268                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1269                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1270                                 "tuner", dev->tuner_addr, NULL);
1271                 else
1272                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1273                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1274                                 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1275                 if (sd) {
1276                         struct tuner_setup tun_setup;
1277
1278                         memset(&tun_setup, 0, sizeof(tun_setup));
1279                         tun_setup.mode_mask = T_ANALOG_TV;
1280                         tun_setup.type = dev->tuner_type;
1281                         tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1282                         tun_setup.tuner_callback = cx23885_tuner_callback;
1283
1284                         v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1285
1286                         if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1287                             (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1288                                 struct xc2028_ctrl ctrl = {
1289                                         .fname = XC2028_DEFAULT_FIRMWARE,
1290                                         .max_len = 64
1291                                 };
1292                                 struct v4l2_priv_tun_config cfg = {
1293                                         .tuner = dev->tuner_type,
1294                                         .priv = &ctrl
1295                                 };
1296                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1297                         }
1298
1299                         if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1300                                 struct xc2028_ctrl ctrl = {
1301                                         .fname = "xc3028L-v36.fw",
1302                                         .max_len = 64
1303                                 };
1304                                 struct v4l2_priv_tun_config cfg = {
1305                                         .tuner = dev->tuner_type,
1306                                         .priv = &ctrl
1307                                 };
1308                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1309                         }
1310                 }
1311         }
1312
1313         /* initial device configuration */
1314         mutex_lock(&dev->lock);
1315         cx23885_set_tvnorm(dev, dev->tvnorm);
1316         cx23885_video_mux(dev, 0);
1317         cx23885_audio_mux(dev, 0);
1318         mutex_unlock(&dev->lock);
1319
1320         q = &dev->vb2_vidq;
1321         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1322         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1323         q->gfp_flags = GFP_DMA32;
1324         q->min_queued_buffers = 2;
1325         q->drv_priv = dev;
1326         q->buf_struct_size = sizeof(struct cx23885_buffer);
1327         q->ops = &cx23885_video_qops;
1328         q->mem_ops = &vb2_dma_sg_memops;
1329         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1330         q->lock = &dev->lock;
1331         q->dev = &dev->pci->dev;
1332
1333         err = vb2_queue_init(q);
1334         if (err < 0)
1335                 goto fail_unreg;
1336
1337         q = &dev->vb2_vbiq;
1338         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1339         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1340         q->gfp_flags = GFP_DMA32;
1341         q->min_queued_buffers = 2;
1342         q->drv_priv = dev;
1343         q->buf_struct_size = sizeof(struct cx23885_buffer);
1344         q->ops = &cx23885_vbi_qops;
1345         q->mem_ops = &vb2_dma_sg_memops;
1346         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1347         q->lock = &dev->lock;
1348         q->dev = &dev->pci->dev;
1349
1350         err = vb2_queue_init(q);
1351         if (err < 0)
1352                 goto fail_unreg;
1353
1354         /* register Video device */
1355         dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1356                 &cx23885_video_template, "video");
1357         if (!dev->video_dev) {
1358                 err = -ENOMEM;
1359                 goto fail_unreg;
1360         }
1361         dev->video_dev->queue = &dev->vb2_vidq;
1362         dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1363                                       V4L2_CAP_AUDIO | V4L2_CAP_VIDEO_CAPTURE;
1364         switch (dev->board) { /* i2c device tuners */
1365         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1366         case CX23885_BOARD_HAUPPAUGE_HVR5525:
1367         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
1368         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
1369                 dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1370                 break;
1371         default:
1372                 if (dev->tuner_type != TUNER_ABSENT)
1373                         dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1374         }
1375
1376         err = video_register_device(dev->video_dev, VFL_TYPE_VIDEO,
1377                                     video_nr[dev->nr]);
1378         if (err < 0) {
1379                 pr_info("%s: can't register video device\n",
1380                         dev->name);
1381                 goto fail_unreg;
1382         }
1383         pr_info("%s: registered device %s [v4l2]\n",
1384                dev->name, video_device_node_name(dev->video_dev));
1385
1386         /* register VBI device */
1387         dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1388                 &cx23885_vbi_template, "vbi");
1389         if (!dev->vbi_dev) {
1390                 err = -ENOMEM;
1391                 goto fail_unreg;
1392         }
1393         dev->vbi_dev->queue = &dev->vb2_vbiq;
1394         dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1395                                     V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE;
1396         switch (dev->board) { /* i2c device tuners */
1397         case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1398         case CX23885_BOARD_HAUPPAUGE_HVR5525:
1399         case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
1400         case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
1401                 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1402                 break;
1403         default:
1404                 if (dev->tuner_type != TUNER_ABSENT)
1405                         dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1406         }
1407         err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1408                                     vbi_nr[dev->nr]);
1409         if (err < 0) {
1410                 pr_info("%s: can't register vbi device\n",
1411                         dev->name);
1412                 goto fail_unreg;
1413         }
1414         pr_info("%s: registered device %s\n",
1415                dev->name, video_device_node_name(dev->vbi_dev));
1416
1417         /* Register ALSA audio device */
1418         dev->audio_dev = cx23885_audio_register(dev);
1419
1420         return 0;
1421
1422 fail_unreg:
1423         cx23885_video_unregister(dev);
1424         return err;
1425 }