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

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