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

   1 /*
   2  *  Driver for the Conexant CX23885 PCIe bridge
   3  *
   4  *  Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *
  15  *  GNU General Public License for more details.
  16  */
  17
  18 #include <linux/init.h>
  19 #include <linux/list.h>
  20 #include <linux/module.h>
  21 #include <linux/moduleparam.h>
  22 #include <linux/kmod.h>
  23 #include <linux/kernel.h>
  24 #include <linux/slab.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/delay.h>
  27 #include <linux/kthread.h>
  28 #include <asm/div64.h>
  29
  30 #include "cx23885.h"
  31 #include "cx23885-video.h"
  32 #include <media/v4l2-common.h>
  33 #include <media/v4l2-ioctl.h>
  34 #include <media/v4l2-event.h>
  35 #include "cx23885-ioctl.h"
  36 #include "tuner-xc2028.h"
  37
  38 #include <media/cx25840.h>
  39
  40 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
  41 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
  42 MODULE_LICENSE("GPL");
  43
  44 /* ------------------------------------------------------------------ */
  45
  46 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  47 static unsigned int vbi_nr[]   = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  48
  49 module_param_array(video_nr, int, NULL, 0444);
  50 module_param_array(vbi_nr,   int, NULL, 0444);
  51
  52 MODULE_PARM_DESC(video_nr, "video device numbers");
  53 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
  54
  55 static unsigned int video_debug;
  56 module_param(video_debug, int, 0644);
  57 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
  58
  59 static unsigned int irq_debug;
  60 module_param(irq_debug, int, 0644);
  61 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
  62
  63 static unsigned int vid_limit = 16;
  64 module_param(vid_limit, int, 0644);
  65 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
  66
  67 #define dprintk(level, fmt, arg...)\
  68         do { if (video_debug >= level)\
  69                 printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
  70         } while (0)
  71
  72 /* ------------------------------------------------------------------- */
  73 /* static data                                                         */
  74
  75 #define FORMAT_FLAGS_PACKED       0x01
  76 static struct cx23885_fmt formats[] = {
  77         {
  78                 .name     = "4:2:2, packed, YUYV",
  79                 .fourcc   = V4L2_PIX_FMT_YUYV,
  80                 .depth    = 16,
  81                 .flags    = FORMAT_FLAGS_PACKED,
  82         }
  83 };
  84
  85 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
  86 {
  87         unsigned int i;
  88
  89         for (i = 0; i < ARRAY_SIZE(formats); i++)
  90                 if (formats[i].fourcc == fourcc)
  91                         return formats+i;
  92         return NULL;
  93 }
  94
  95 /* ------------------------------------------------------------------- */
  96
  97 void cx23885_video_wakeup(struct cx23885_dev *dev,
  98         struct cx23885_dmaqueue *q, u32 count)
  99 {
 100         struct cx23885_buffer *buf;
 101
 102         if (list_empty(&q->active))
 103                 return;
 104         buf = list_entry(q->active.next,
 105                         struct cx23885_buffer, queue);
 106
 107         buf->vb.v4l2_buf.sequence = q->count++;
 108         v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp);
 109         dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.v4l2_buf.index,
 110                         count, q->count);
 111         list_del(&buf->queue);
 112         vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
 113 }
 114
 115 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
 116 {
 117         dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
 118                 __func__,
 119                 (unsigned int)norm,
 120                 v4l2_norm_to_name(norm));
 121
 122         if (dev->tvnorm != norm) {
 123                 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 124                     vb2_is_busy(&dev->vb2_mpegq))
 125                         return -EBUSY;
 126         }
 127
 128         dev->tvnorm = norm;
 129
 130         call_all(dev, video, s_std, norm);
 131
 132         return 0;
 133 }
 134
 135 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
 136                                     struct pci_dev *pci,
 137                                     struct video_device *template,
 138                                     char *type)
 139 {
 140         struct video_device *vfd;
 141         dprintk(1, "%s()\n", __func__);
 142
 143         vfd = video_device_alloc();
 144         if (NULL == vfd)
 145                 return NULL;
 146         *vfd = *template;
 147         vfd->v4l2_dev = &dev->v4l2_dev;
 148         vfd->release = video_device_release;
 149         vfd->lock = &dev->lock;
 150         snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
 151                  cx23885_boards[dev->board].name, type);
 152         video_set_drvdata(vfd, dev);
 153         return vfd;
 154 }
 155
 156 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
 157 {
 158         /* 8 bit registers, 8 bit values */
 159         u8 buf[] = { reg, data };
 160
 161         struct i2c_msg msg = { .addr = 0x98 >> 1,
 162                 .flags = 0, .buf = buf, .len = 2 };
 163
 164         return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
 165 }
 166
 167 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
 168 {
 169         /* 8 bit registers, 8 bit values */
 170         int ret;
 171         u8 b0[] = { reg };
 172         u8 b1[] = { 0 };
 173
 174         struct i2c_msg msg[] = {
 175                 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
 176                 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
 177         };
 178
 179         ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
 180         if (ret != 2)
 181                 printk(KERN_ERR "%s() error\n", __func__);
 182
 183         return b1[0];
 184 }
 185
 186 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
 187 {
 188         int i;
 189         dprintk(1, "Flatiron dump\n");
 190         for (i = 0; i < 0x24; i++) {
 191                 dprintk(1, "FI[%02x] = %02x\n", i,
 192                         cx23885_flatiron_read(dev, i));
 193         }
 194 }
 195
 196 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
 197 {
 198         u8 val;
 199         dprintk(1, "%s(input = %d)\n", __func__, input);
 200
 201         if (input == 1)
 202                 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
 203         else if (input == 2)
 204                 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
 205         else
 206                 return -EINVAL;
 207
 208         val |= 0x20; /* Enable clock to delta-sigma and dec filter */
 209
 210         cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
 211
 212         /* Wake up */
 213         cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
 214
 215         if (video_debug)
 216                 cx23885_flatiron_dump(dev);
 217
 218         return 0;
 219 }
 220
 221 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
 222 {
 223         dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
 224                 __func__,
 225                 input, INPUT(input)->vmux,
 226                 INPUT(input)->gpio0, INPUT(input)->gpio1,
 227                 INPUT(input)->gpio2, INPUT(input)->gpio3);
 228         dev->input = input;
 229
 230         if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
 231                 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
 232                 dev->board == CX23885_BOARD_MYGICA_X8507) {
 233                 /* Select Analog TV */
 234                 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
 235                         cx23885_gpio_clear(dev, GPIO_0);
 236         }
 237
 238         /* Tell the internal A/V decoder */
 239         v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
 240                         INPUT(input)->vmux, 0, 0);
 241
 242         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
 243                 (dev->board == CX23885_BOARD_MPX885) ||
 244                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
 245                 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) ||
 246                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
 247                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
 248                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
 249                 (dev->board == CX23885_BOARD_MYGICA_X8507) ||
 250                 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R)) {
 251                 /* Configure audio routing */
 252                 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
 253                         INPUT(input)->amux, 0, 0);
 254
 255                 if (INPUT(input)->amux == CX25840_AUDIO7)
 256                         cx23885_flatiron_mux(dev, 1);
 257                 else if (INPUT(input)->amux == CX25840_AUDIO6)
 258                         cx23885_flatiron_mux(dev, 2);
 259         }
 260
 261         return 0;
 262 }
 263
 264 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
 265 {
 266         dprintk(1, "%s(input=%d)\n", __func__, input);
 267
 268         /* The baseband video core of the cx23885 has two audio inputs.
 269          * LR1 and LR2. In almost every single case so far only HVR1xxx
 270          * cards we've only ever supported LR1. Time to support LR2,
 271          * which is available via the optional white breakout header on
 272          * the board.
 273          * We'll use a could of existing enums in the card struct to allow
 274          * devs to specify which baseband input they need, or just default
 275          * to what we've always used.
 276          */
 277         if (INPUT(input)->amux == CX25840_AUDIO7)
 278                 cx23885_flatiron_mux(dev, 1);
 279         else if (INPUT(input)->amux == CX25840_AUDIO6)
 280                 cx23885_flatiron_mux(dev, 2);
 281         else {
 282                 /* Not specifically defined, assume the default. */
 283                 cx23885_flatiron_mux(dev, 1);
 284         }
 285
 286         return 0;
 287 }
 288
 289 /* ------------------------------------------------------------------ */
 290 static int cx23885_start_video_dma(struct cx23885_dev *dev,
 291                            struct cx23885_dmaqueue *q,
 292                            struct cx23885_buffer *buf)
 293 {
 294         dprintk(1, "%s()\n", __func__);
 295
 296         /* Stop the dma/fifo before we tamper with it's risc programs */
 297         cx_clear(VID_A_DMA_CTL, 0x11);
 298
 299         /* setup fifo + format */
 300         cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
 301                                 buf->bpl, buf->risc.dma);
 302
 303         /* reset counter */
 304         cx_write(VID_A_GPCNT_CTL, 3);
 305         q->count = 0;
 306
 307         /* enable irq */
 308         cx23885_irq_add_enable(dev, 0x01);
 309         cx_set(VID_A_INT_MSK, 0x000011);
 310
 311         /* start dma */
 312         cx_set(DEV_CNTRL2, (1<<5));
 313         cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
 314
 315         return 0;
 316 }
 317
 318 static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
 319                            unsigned int *num_buffers, unsigned int *num_planes,
 320                            unsigned int sizes[], void *alloc_ctxs[])
 321 {
 322         struct cx23885_dev *dev = q->drv_priv;
 323
 324         *num_planes = 1;
 325         sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
 326         return 0;
 327 }
 328
 329 static int buffer_prepare(struct vb2_buffer *vb)
 330 {
 331         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 332         struct cx23885_buffer *buf =
 333                 container_of(vb, struct cx23885_buffer, vb);
 334         u32 line0_offset, line1_offset;
 335         struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
 336         int field_tff;
 337         int ret;
 338
 339         buf->bpl = (dev->width * dev->fmt->depth) >> 3;
 340
 341         if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
 342                 return -EINVAL;
 343         vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
 344
 345         ret = dma_map_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE);
 346         if (!ret)
 347                 return -EIO;
 348
 349         switch (dev->field) {
 350         case V4L2_FIELD_TOP:
 351                 cx23885_risc_buffer(dev->pci, &buf->risc,
 352                                 sgt->sgl, 0, UNSET,
 353                                 buf->bpl, 0, dev->height);
 354                 break;
 355         case V4L2_FIELD_BOTTOM:
 356                 cx23885_risc_buffer(dev->pci, &buf->risc,
 357                                 sgt->sgl, UNSET, 0,
 358                                 buf->bpl, 0, dev->height);
 359                 break;
 360         case V4L2_FIELD_INTERLACED:
 361                 if (dev->tvnorm & V4L2_STD_525_60)
 362                         /* NTSC or  */
 363                         field_tff = 1;
 364                 else
 365                         field_tff = 0;
 366
 367                 if (cx23885_boards[dev->board].force_bff)
 368                         /* PAL / SECAM OR 888 in NTSC MODE */
 369                         field_tff = 0;
 370
 371                 if (field_tff) {
 372                         /* cx25840 transmits NTSC bottom field first */
 373                         dprintk(1, "%s() Creating TFF/NTSC risc\n",
 374                                         __func__);
 375                         line0_offset = buf->bpl;
 376                         line1_offset = 0;
 377                 } else {
 378                         /* All other formats are top field first */
 379                         dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
 380                                         __func__);
 381                         line0_offset = 0;
 382                         line1_offset = buf->bpl;
 383                 }
 384                 cx23885_risc_buffer(dev->pci, &buf->risc,
 385                                 sgt->sgl, line0_offset,
 386                                 line1_offset,
 387                                 buf->bpl, buf->bpl,
 388                                 dev->height >> 1);
 389                 break;
 390         case V4L2_FIELD_SEQ_TB:
 391                 cx23885_risc_buffer(dev->pci, &buf->risc,
 392                                 sgt->sgl,
 393                                 0, buf->bpl * (dev->height >> 1),
 394                                 buf->bpl, 0,
 395                                 dev->height >> 1);
 396                 break;
 397         case V4L2_FIELD_SEQ_BT:
 398                 cx23885_risc_buffer(dev->pci, &buf->risc,
 399                                 sgt->sgl,
 400                                 buf->bpl * (dev->height >> 1), 0,
 401                                 buf->bpl, 0,
 402                                 dev->height >> 1);
 403                 break;
 404         default:
 405                 BUG();
 406         }
 407         dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 408                 buf, buf->vb.v4l2_buf.index,
 409                 dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
 410                 (unsigned long)buf->risc.dma);
 411         return 0;
 412 }
 413
 414 static void buffer_finish(struct vb2_buffer *vb)
 415 {
 416         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 417         struct cx23885_buffer *buf = container_of(vb,
 418                 struct cx23885_buffer, vb);
 419         struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
 420
 421         cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
 422
 423         dma_unmap_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE);
 424 }
 425
 426 /*
 427  * The risc program for each buffer works as follows: it starts with a simple
 428  * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
 429  * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
 430  * the initial JUMP).
 431  *
 432  * This is the risc program of the first buffer to be queued if the active list
 433  * is empty and it just keeps DMAing this buffer without generating any
 434  * interrupts.
 435  *
 436  * If a new buffer is added then the initial JUMP in the code for that buffer
 437  * will generate an interrupt which signals that the previous buffer has been
 438  * DMAed successfully and that it can be returned to userspace.
 439  *
 440  * It also sets the final jump of the previous buffer to the start of the new
 441  * buffer, thus chaining the new buffer into the DMA chain. This is a single
 442  * atomic u32 write, so there is no race condition.
 443  *
 444  * The end-result of all this that you only get an interrupt when a buffer
 445  * is ready, so the control flow is very easy.
 446  */
 447 static void buffer_queue(struct vb2_buffer *vb)
 448 {
 449         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 450         struct cx23885_buffer   *buf = container_of(vb,
 451                 struct cx23885_buffer, vb);
 452         struct cx23885_buffer   *prev;
 453         struct cx23885_dmaqueue *q    = &dev->vidq;
 454         unsigned long flags;
 455
 456         /* add jump to start */
 457         buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
 458         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
 459         buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
 460         buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
 461
 462         spin_lock_irqsave(&dev->slock, flags);
 463         if (list_empty(&q->active)) {
 464                 list_add_tail(&buf->queue, &q->active);
 465                 dprintk(2, "[%p/%d] buffer_queue - first active\n",
 466                         buf, buf->vb.v4l2_buf.index);
 467         } else {
 468                 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
 469                 prev = list_entry(q->active.prev, struct cx23885_buffer,
 470                         queue);
 471                 list_add_tail(&buf->queue, &q->active);
 472                 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 473                 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
 474                                 buf, buf->vb.v4l2_buf.index);
 475         }
 476         spin_unlock_irqrestore(&dev->slock, flags);
 477 }
 478
 479 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
 480 {
 481         struct cx23885_dev *dev = q->drv_priv;
 482         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 483         struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 484                         struct cx23885_buffer, queue);
 485
 486         cx23885_start_video_dma(dev, dmaq, buf);
 487         return 0;
 488 }
 489
 490 static void cx23885_stop_streaming(struct vb2_queue *q)
 491 {
 492         struct cx23885_dev *dev = q->drv_priv;
 493         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 494         unsigned long flags;
 495
 496         cx_clear(VID_A_DMA_CTL, 0x11);
 497         spin_lock_irqsave(&dev->slock, flags);
 498         while (!list_empty(&dmaq->active)) {
 499                 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 500                         struct cx23885_buffer, queue);
 501
 502                 list_del(&buf->queue);
 503                 vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
 504         }
 505         spin_unlock_irqrestore(&dev->slock, flags);
 506 }
 507
 508 static struct vb2_ops cx23885_video_qops = {
 509         .queue_setup    = queue_setup,
 510         .buf_prepare  = buffer_prepare,
 511         .buf_finish = buffer_finish,
 512         .buf_queue    = buffer_queue,
 513         .wait_prepare = vb2_ops_wait_prepare,
 514         .wait_finish = vb2_ops_wait_finish,
 515         .start_streaming = cx23885_start_streaming,
 516         .stop_streaming = cx23885_stop_streaming,
 517 };
 518
 519 /* ------------------------------------------------------------------ */
 520 /* VIDEO IOCTLS                                                       */
 521
 522 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 523         struct v4l2_format *f)
 524 {
 525         struct cx23885_dev *dev = video_drvdata(file);
 526
 527         f->fmt.pix.width        = dev->width;
 528         f->fmt.pix.height       = dev->height;
 529         f->fmt.pix.field        = dev->field;
 530         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
 531         f->fmt.pix.bytesperline =
 532                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
 533         f->fmt.pix.sizeimage =
 534                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 535         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 536
 537         return 0;
 538 }
 539
 540 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 541         struct v4l2_format *f)
 542 {
 543         struct cx23885_dev *dev = video_drvdata(file);
 544         struct cx23885_fmt *fmt;
 545         enum v4l2_field   field;
 546         unsigned int      maxw, maxh;
 547
 548         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 549         if (NULL == fmt)
 550                 return -EINVAL;
 551
 552         field = f->fmt.pix.field;
 553         maxw  = norm_maxw(dev->tvnorm);
 554         maxh  = norm_maxh(dev->tvnorm);
 555
 556         if (V4L2_FIELD_ANY == field) {
 557                 field = (f->fmt.pix.height > maxh/2)
 558                         ? V4L2_FIELD_INTERLACED
 559                         : V4L2_FIELD_BOTTOM;
 560         }
 561
 562         switch (field) {
 563         case V4L2_FIELD_TOP:
 564         case V4L2_FIELD_BOTTOM:
 565                 maxh = maxh / 2;
 566                 break;
 567         case V4L2_FIELD_INTERLACED:
 568         case V4L2_FIELD_SEQ_TB:
 569         case V4L2_FIELD_SEQ_BT:
 570                 break;
 571         default:
 572                 field = V4L2_FIELD_INTERLACED;
 573                 break;
 574         }
 575
 576         f->fmt.pix.field = field;
 577         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 578                               &f->fmt.pix.height, 32, maxh, 0, 0);
 579         f->fmt.pix.bytesperline =
 580                 (f->fmt.pix.width * fmt->depth) >> 3;
 581         f->fmt.pix.sizeimage =
 582                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 583         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 584
 585         return 0;
 586 }
 587
 588 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 589         struct v4l2_format *f)
 590 {
 591         struct cx23885_dev *dev = video_drvdata(file);
 592         struct v4l2_mbus_framefmt mbus_fmt;
 593         int err;
 594
 595         dprintk(2, "%s()\n", __func__);
 596         err = vidioc_try_fmt_vid_cap(file, priv, f);
 597
 598         if (0 != err)
 599                 return err;
 600
 601         if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 602             vb2_is_busy(&dev->vb2_mpegq))
 603                 return -EBUSY;
 604
 605         dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
 606         dev->width      = f->fmt.pix.width;
 607         dev->height     = f->fmt.pix.height;
 608         dev->field      = f->fmt.pix.field;
 609         dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
 610                 dev->width, dev->height, dev->field);
 611         v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
 612         call_all(dev, video, s_mbus_fmt, &mbus_fmt);
 613         v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
 614         /* s_mbus_fmt overwrites f->fmt.pix.field, restore it */
 615         f->fmt.pix.field = dev->field;
 616         return 0;
 617 }
 618
 619 static int vidioc_querycap(struct file *file, void  *priv,
 620         struct v4l2_capability *cap)
 621 {
 622         struct cx23885_dev *dev = video_drvdata(file);
 623         struct video_device *vdev = video_devdata(file);
 624
 625         strcpy(cap->driver, "cx23885");
 626         strlcpy(cap->card, cx23885_boards[dev->board].name,
 627                 sizeof(cap->card));
 628         sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
 629         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO;
 630         if (dev->tuner_type != TUNER_ABSENT)
 631                 cap->device_caps |= V4L2_CAP_TUNER;
 632         if (vdev->vfl_type == VFL_TYPE_VBI)
 633                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
 634         else
 635                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
 636         cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE |
 637                 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS;
 638         return 0;
 639 }
 640
 641 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 642         struct v4l2_fmtdesc *f)
 643 {
 644         if (unlikely(f->index >= ARRAY_SIZE(formats)))
 645                 return -EINVAL;
 646
 647         strlcpy(f->description, formats[f->index].name,
 648                 sizeof(f->description));
 649         f->pixelformat = formats[f->index].fourcc;
 650
 651         return 0;
 652 }
 653
 654 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
 655 {
 656         struct cx23885_dev *dev = video_drvdata(file);
 657         dprintk(1, "%s()\n", __func__);
 658
 659         *id = dev->tvnorm;
 660         return 0;
 661 }
 662
 663 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 664 {
 665         struct cx23885_dev *dev = video_drvdata(file);
 666         dprintk(1, "%s()\n", __func__);
 667
 668         return cx23885_set_tvnorm(dev, tvnorms);
 669 }
 670
 671 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
 672 {
 673         static const char *iname[] = {
 674                 [CX23885_VMUX_COMPOSITE1] = "Composite1",
 675                 [CX23885_VMUX_COMPOSITE2] = "Composite2",
 676                 [CX23885_VMUX_COMPOSITE3] = "Composite3",
 677                 [CX23885_VMUX_COMPOSITE4] = "Composite4",
 678                 [CX23885_VMUX_SVIDEO]     = "S-Video",
 679                 [CX23885_VMUX_COMPONENT]  = "Component",
 680                 [CX23885_VMUX_TELEVISION] = "Television",
 681                 [CX23885_VMUX_CABLE]      = "Cable TV",
 682                 [CX23885_VMUX_DVB]        = "DVB",
 683                 [CX23885_VMUX_DEBUG]      = "for debug only",
 684         };
 685         unsigned int n;
 686         dprintk(1, "%s()\n", __func__);
 687
 688         n = i->index;
 689         if (n >= MAX_CX23885_INPUT)
 690                 return -EINVAL;
 691
 692         if (0 == INPUT(n)->type)
 693                 return -EINVAL;
 694
 695         i->index = n;
 696         i->type  = V4L2_INPUT_TYPE_CAMERA;
 697         strcpy(i->name, iname[INPUT(n)->type]);
 698         i->std = CX23885_NORMS;
 699         if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
 700                 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
 701                 i->type = V4L2_INPUT_TYPE_TUNER;
 702                 i->audioset = 4;
 703         } else {
 704                 /* Two selectable audio inputs for non-tv inputs */
 705                 i->audioset = 3;
 706         }
 707
 708         if (dev->input == n) {
 709                 /* enum'd input matches our configured input.
 710                  * Ask the video decoder to process the call
 711                  * and give it an oppertunity to update the
 712                  * status field.
 713                  */
 714                 call_all(dev, video, g_input_status, &i->status);
 715         }
 716
 717         return 0;
 718 }
 719
 720 static int vidioc_enum_input(struct file *file, void *priv,
 721                                 struct v4l2_input *i)
 722 {
 723         struct cx23885_dev *dev = video_drvdata(file);
 724         dprintk(1, "%s()\n", __func__);
 725         return cx23885_enum_input(dev, i);
 726 }
 727
 728 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
 729 {
 730         struct cx23885_dev *dev = video_drvdata(file);
 731
 732         *i = dev->input;
 733         dprintk(1, "%s() returns %d\n", __func__, *i);
 734         return 0;
 735 }
 736
 737 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 738 {
 739         return cx23885_get_input(file, priv, i);
 740 }
 741
 742 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
 743 {
 744         struct cx23885_dev *dev = video_drvdata(file);
 745
 746         dprintk(1, "%s(%d)\n", __func__, i);
 747
 748         if (i >= MAX_CX23885_INPUT) {
 749                 dprintk(1, "%s() -EINVAL\n", __func__);
 750                 return -EINVAL;
 751         }
 752
 753         if (INPUT(i)->type == 0)
 754                 return -EINVAL;
 755
 756         cx23885_video_mux(dev, i);
 757
 758         /* By default establish the default audio input for the card also */
 759         /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
 760         cx23885_audio_mux(dev, i);
 761         return 0;
 762 }
 763
 764 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 765 {
 766         return cx23885_set_input(file, priv, i);
 767 }
 768
 769 static int vidioc_log_status(struct file *file, void *priv)
 770 {
 771         struct cx23885_dev *dev = video_drvdata(file);
 772
 773         call_all(dev, core, log_status);
 774         return 0;
 775 }
 776
 777 static int cx23885_query_audinput(struct file *file, void *priv,
 778         struct v4l2_audio *i)
 779 {
 780         struct cx23885_dev *dev = video_drvdata(file);
 781         static const char *iname[] = {
 782                 [0] = "Baseband L/R 1",
 783                 [1] = "Baseband L/R 2",
 784                 [2] = "TV",
 785         };
 786         unsigned int n;
 787         dprintk(1, "%s()\n", __func__);
 788
 789         n = i->index;
 790         if (n >= 3)
 791                 return -EINVAL;
 792
 793         memset(i, 0, sizeof(*i));
 794         i->index = n;
 795         strcpy(i->name, iname[n]);
 796         i->capability = V4L2_AUDCAP_STEREO;
 797         return 0;
 798
 799 }
 800
 801 static int vidioc_enum_audinput(struct file *file, void *priv,
 802                                 struct v4l2_audio *i)
 803 {
 804         return cx23885_query_audinput(file, priv, i);
 805 }
 806
 807 static int vidioc_g_audinput(struct file *file, void *priv,
 808         struct v4l2_audio *i)
 809 {
 810         struct cx23885_dev *dev = video_drvdata(file);
 811
 812         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 813                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type))
 814                 i->index = 2;
 815         else
 816                 i->index = dev->audinput;
 817         dprintk(1, "%s(input=%d)\n", __func__, i->index);
 818
 819         return cx23885_query_audinput(file, priv, i);
 820 }
 821
 822 static int vidioc_s_audinput(struct file *file, void *priv,
 823         const struct v4l2_audio *i)
 824 {
 825         struct cx23885_dev *dev = video_drvdata(file);
 826
 827         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 828                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
 829                 return i->index != 2 ? -EINVAL : 0;
 830         }
 831         if (i->index > 1)
 832                 return -EINVAL;
 833
 834         dprintk(1, "%s(%d)\n", __func__, i->index);
 835
 836         dev->audinput = i->index;
 837
 838         /* Skip the audio defaults from the cards struct, caller wants
 839          * directly touch the audio mux hardware. */
 840         cx23885_flatiron_mux(dev, dev->audinput + 1);
 841         return 0;
 842 }
 843
 844 static int vidioc_g_tuner(struct file *file, void *priv,
 845                                 struct v4l2_tuner *t)
 846 {
 847         struct cx23885_dev *dev = video_drvdata(file);
 848
 849         if (dev->tuner_type == TUNER_ABSENT)
 850                 return -EINVAL;
 851         if (0 != t->index)
 852                 return -EINVAL;
 853
 854         strcpy(t->name, "Television");
 855
 856         call_all(dev, tuner, g_tuner, t);
 857         return 0;
 858 }
 859
 860 static int vidioc_s_tuner(struct file *file, void *priv,
 861                                 const struct v4l2_tuner *t)
 862 {
 863         struct cx23885_dev *dev = video_drvdata(file);
 864
 865         if (dev->tuner_type == TUNER_ABSENT)
 866                 return -EINVAL;
 867         if (0 != t->index)
 868                 return -EINVAL;
 869         /* Update the A/V core */
 870         call_all(dev, tuner, s_tuner, t);
 871
 872         return 0;
 873 }
 874
 875 static int vidioc_g_frequency(struct file *file, void *priv,
 876                                 struct v4l2_frequency *f)
 877 {
 878         struct cx23885_dev *dev = video_drvdata(file);
 879
 880         if (dev->tuner_type == TUNER_ABSENT)
 881                 return -EINVAL;
 882
 883         f->type = V4L2_TUNER_ANALOG_TV;
 884         f->frequency = dev->freq;
 885
 886         call_all(dev, tuner, g_frequency, f);
 887
 888         return 0;
 889 }
 890
 891 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
 892 {
 893         struct v4l2_ctrl *mute;
 894         int old_mute_val = 1;
 895
 896         if (dev->tuner_type == TUNER_ABSENT)
 897                 return -EINVAL;
 898         if (unlikely(f->tuner != 0))
 899                 return -EINVAL;
 900
 901         dev->freq = f->frequency;
 902
 903         /* I need to mute audio here */
 904         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
 905         if (mute) {
 906                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
 907                 if (!old_mute_val)
 908                         v4l2_ctrl_s_ctrl(mute, 1);
 909         }
 910
 911         call_all(dev, tuner, s_frequency, f);
 912
 913         /* When changing channels it is required to reset TVAUDIO */
 914         msleep(100);
 915
 916         /* I need to unmute audio here */
 917         if (old_mute_val == 0)
 918                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
 919
 920         return 0;
 921 }
 922
 923 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
 924         const struct v4l2_frequency *f)
 925 {
 926         struct v4l2_ctrl *mute;
 927         int old_mute_val = 1;
 928         struct vb2_dvb_frontend *vfe;
 929         struct dvb_frontend *fe;
 930
 931         struct analog_parameters params = {
 932                 .mode      = V4L2_TUNER_ANALOG_TV,
 933                 .audmode   = V4L2_TUNER_MODE_STEREO,
 934                 .std       = dev->tvnorm,
 935                 .frequency = f->frequency
 936         };
 937
 938         dev->freq = f->frequency;
 939
 940         /* I need to mute audio here */
 941         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
 942         if (mute) {
 943                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
 944                 if (!old_mute_val)
 945                         v4l2_ctrl_s_ctrl(mute, 1);
 946         }
 947
 948         /* If HVR1850 */
 949         dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
 950                 params.frequency, f->tuner, params.std);
 951
 952         vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
 953         if (!vfe) {
 954                 return -EINVAL;
 955         }
 956
 957         fe = vfe->dvb.frontend;
 958
 959         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
 960             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
 961             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111))
 962                 fe = &dev->ts1.analog_fe;
 963
 964         if (fe && fe->ops.tuner_ops.set_analog_params) {
 965                 call_all(dev, video, s_std, dev->tvnorm);
 966                 fe->ops.tuner_ops.set_analog_params(fe, &params);
 967         }
 968         else
 969                 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
 970
 971         /* When changing channels it is required to reset TVAUDIO */
 972         msleep(100);
 973
 974         /* I need to unmute audio here */
 975         if (old_mute_val == 0)
 976                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
 977
 978         return 0;
 979 }
 980
 981 int cx23885_set_frequency(struct file *file, void *priv,
 982         const struct v4l2_frequency *f)
 983 {
 984         struct cx23885_dev *dev = video_drvdata(file);
 985         int ret;
 986
 987         switch (dev->board) {
 988         case CX23885_BOARD_HAUPPAUGE_HVR1255:
 989         case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
 990         case CX23885_BOARD_HAUPPAUGE_HVR1850:
 991                 ret = cx23885_set_freq_via_ops(dev, f);
 992                 break;
 993         default:
 994                 ret = cx23885_set_freq(dev, f);
 995         }
 996
 997         return ret;
 998 }
 999
1000 static int vidioc_s_frequency(struct file *file, void *priv,
1001         const struct v4l2_frequency *f)
1002 {
1003         return cx23885_set_frequency(file, priv, f);
1004 }
1005
1006 /* ----------------------------------------------------------- */
1007
1008 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1009 {
1010         u32 mask, count;
1011         int handled = 0;
1012
1013         mask   = cx_read(VID_A_INT_MSK);
1014         if (0 == (status & mask))
1015                 return handled;
1016
1017         cx_write(VID_A_INT_STAT, status);
1018
1019         /* risc op code error, fifo overflow or line sync detection error */
1020         if ((status & VID_BC_MSK_OPC_ERR) ||
1021                 (status & VID_BC_MSK_SYNC) ||
1022                 (status & VID_BC_MSK_OF)) {
1023
1024                 if (status & VID_BC_MSK_OPC_ERR) {
1025                         dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1026                                 VID_BC_MSK_OPC_ERR);
1027                         printk(KERN_WARNING "%s: video risc op code error\n",
1028                                 dev->name);
1029                         cx23885_sram_channel_dump(dev,
1030                                 &dev->sram_channels[SRAM_CH01]);
1031                 }
1032
1033                 if (status & VID_BC_MSK_SYNC)
1034                         dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
1035                                 "video lines miss-match\n",
1036                                 VID_BC_MSK_SYNC);
1037
1038                 if (status & VID_BC_MSK_OF)
1039                         dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1040                                 VID_BC_MSK_OF);
1041
1042         }
1043
1044         /* Video */
1045         if (status & VID_BC_MSK_RISCI1) {
1046                 spin_lock(&dev->slock);
1047                 count = cx_read(VID_A_GPCNT);
1048                 cx23885_video_wakeup(dev, &dev->vidq, count);
1049                 spin_unlock(&dev->slock);
1050                 handled++;
1051         }
1052
1053         /* Allow the VBI framework to process it's payload */
1054         handled += cx23885_vbi_irq(dev, status);
1055
1056         return handled;
1057 }
1058
1059 /* ----------------------------------------------------------- */
1060 /* exported stuff                                              */
1061
1062 static const struct v4l2_file_operations video_fops = {
1063         .owner         = THIS_MODULE,
1064         .open           = v4l2_fh_open,
1065         .release        = vb2_fop_release,
1066         .read           = vb2_fop_read,
1067         .poll           = vb2_fop_poll,
1068         .unlocked_ioctl = video_ioctl2,
1069         .mmap           = vb2_fop_mmap,
1070 };
1071
1072 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1073         .vidioc_querycap      = vidioc_querycap,
1074         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1075         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1076         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1077         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1078         .vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1079         .vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1080         .vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1081         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1082         .vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
1083         .vidioc_querybuf      = vb2_ioctl_querybuf,
1084         .vidioc_qbuf          = vb2_ioctl_qbuf,
1085         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1086         .vidioc_streamon      = vb2_ioctl_streamon,
1087         .vidioc_streamoff     = vb2_ioctl_streamoff,
1088         .vidioc_s_std         = vidioc_s_std,
1089         .vidioc_g_std         = vidioc_g_std,
1090         .vidioc_enum_input    = vidioc_enum_input,
1091         .vidioc_g_input       = vidioc_g_input,
1092         .vidioc_s_input       = vidioc_s_input,
1093         .vidioc_log_status    = vidioc_log_status,
1094         .vidioc_g_tuner       = vidioc_g_tuner,
1095         .vidioc_s_tuner       = vidioc_s_tuner,
1096         .vidioc_g_frequency   = vidioc_g_frequency,
1097         .vidioc_s_frequency   = vidioc_s_frequency,
1098 #ifdef CONFIG_VIDEO_ADV_DEBUG
1099         .vidioc_g_chip_info   = cx23885_g_chip_info,
1100         .vidioc_g_register    = cx23885_g_register,
1101         .vidioc_s_register    = cx23885_s_register,
1102 #endif
1103         .vidioc_enumaudio     = vidioc_enum_audinput,
1104         .vidioc_g_audio       = vidioc_g_audinput,
1105         .vidioc_s_audio       = vidioc_s_audinput,
1106         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1107         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1108 };
1109
1110 static struct video_device cx23885_vbi_template;
1111 static struct video_device cx23885_video_template = {
1112         .name                 = "cx23885-video",
1113         .fops                 = &video_fops,
1114         .ioctl_ops            = &video_ioctl_ops,
1115         .tvnorms              = CX23885_NORMS,
1116 };
1117
1118 void cx23885_video_unregister(struct cx23885_dev *dev)
1119 {
1120         dprintk(1, "%s()\n", __func__);
1121         cx23885_irq_remove(dev, 0x01);
1122
1123         if (dev->vbi_dev) {
1124                 if (video_is_registered(dev->vbi_dev))
1125                         video_unregister_device(dev->vbi_dev);
1126                 else
1127                         video_device_release(dev->vbi_dev);
1128                 dev->vbi_dev = NULL;
1129         }
1130         if (dev->video_dev) {
1131                 if (video_is_registered(dev->video_dev))
1132                         video_unregister_device(dev->video_dev);
1133                 else
1134                         video_device_release(dev->video_dev);
1135                 dev->video_dev = NULL;
1136         }
1137
1138         if (dev->audio_dev)
1139                 cx23885_audio_unregister(dev);
1140 }
1141
1142 int cx23885_video_register(struct cx23885_dev *dev)
1143 {
1144         struct vb2_queue *q;
1145         int err;
1146
1147         dprintk(1, "%s()\n", __func__);
1148         spin_lock_init(&dev->slock);
1149
1150         /* Initialize VBI template */
1151         cx23885_vbi_template = cx23885_video_template;
1152         strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1153
1154         dev->tvnorm = V4L2_STD_NTSC_M;
1155         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1156         dev->field = V4L2_FIELD_INTERLACED;
1157         dev->width = 720;
1158         dev->height = norm_maxh(dev->tvnorm);
1159
1160         /* init video dma queues */
1161         INIT_LIST_HEAD(&dev->vidq.active);
1162
1163         /* init vbi dma queues */
1164         INIT_LIST_HEAD(&dev->vbiq.active);
1165
1166         cx23885_irq_add_enable(dev, 0x01);
1167
1168         if ((TUNER_ABSENT != dev->tuner_type) &&
1169                         ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1170                 struct v4l2_subdev *sd = NULL;
1171
1172                 if (dev->tuner_addr)
1173                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1174                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1175                                 "tuner", dev->tuner_addr, NULL);
1176                 else
1177                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1178                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1179                                 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1180                 if (sd) {
1181                         struct tuner_setup tun_setup;
1182
1183                         memset(&tun_setup, 0, sizeof(tun_setup));
1184                         tun_setup.mode_mask = T_ANALOG_TV;
1185                         tun_setup.type = dev->tuner_type;
1186                         tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1187                         tun_setup.tuner_callback = cx23885_tuner_callback;
1188
1189                         v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1190
1191                         if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1192                             (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1193                                 struct xc2028_ctrl ctrl = {
1194                                         .fname = XC2028_DEFAULT_FIRMWARE,
1195                                         .max_len = 64
1196                                 };
1197                                 struct v4l2_priv_tun_config cfg = {
1198                                         .tuner = dev->tuner_type,
1199                                         .priv = &ctrl
1200                                 };
1201                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1202                         }
1203
1204                         if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1205                                 struct xc2028_ctrl ctrl = {
1206                                         .fname = "xc3028L-v36.fw",
1207                                         .max_len = 64
1208                                 };
1209                                 struct v4l2_priv_tun_config cfg = {
1210                                         .tuner = dev->tuner_type,
1211                                         .priv = &ctrl
1212                                 };
1213                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1214                         }
1215                 }
1216         }
1217
1218         /* initial device configuration */
1219         mutex_lock(&dev->lock);
1220         cx23885_set_tvnorm(dev, dev->tvnorm);
1221         cx23885_video_mux(dev, 0);
1222         cx23885_audio_mux(dev, 0);
1223         mutex_unlock(&dev->lock);
1224
1225         q = &dev->vb2_vidq;
1226         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1227         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1228         q->gfp_flags = GFP_DMA32;
1229         q->min_buffers_needed = 2;
1230         q->drv_priv = dev;
1231         q->buf_struct_size = sizeof(struct cx23885_buffer);
1232         q->ops = &cx23885_video_qops;
1233         q->mem_ops = &vb2_dma_sg_memops;
1234         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1235         q->lock = &dev->lock;
1236
1237         err = vb2_queue_init(q);
1238         if (err < 0)
1239                 goto fail_unreg;
1240
1241         q = &dev->vb2_vbiq;
1242         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1243         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1244         q->gfp_flags = GFP_DMA32;
1245         q->min_buffers_needed = 2;
1246         q->drv_priv = dev;
1247         q->buf_struct_size = sizeof(struct cx23885_buffer);
1248         q->ops = &cx23885_vbi_qops;
1249         q->mem_ops = &vb2_dma_sg_memops;
1250         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1251         q->lock = &dev->lock;
1252
1253         err = vb2_queue_init(q);
1254         if (err < 0)
1255                 goto fail_unreg;
1256
1257         /* register Video device */
1258         dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1259                 &cx23885_video_template, "video");
1260         dev->video_dev->queue = &dev->vb2_vidq;
1261         err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1262                                     video_nr[dev->nr]);
1263         if (err < 0) {
1264                 printk(KERN_INFO "%s: can't register video device\n",
1265                         dev->name);
1266                 goto fail_unreg;
1267         }
1268         printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1269                dev->name, video_device_node_name(dev->video_dev));
1270
1271         /* register VBI device */
1272         dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1273                 &cx23885_vbi_template, "vbi");
1274         dev->vbi_dev->queue = &dev->vb2_vbiq;
1275         err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1276                                     vbi_nr[dev->nr]);
1277         if (err < 0) {
1278                 printk(KERN_INFO "%s: can't register vbi device\n",
1279                         dev->name);
1280                 goto fail_unreg;
1281         }
1282         printk(KERN_INFO "%s: registered device %s\n",
1283                dev->name, video_device_node_name(dev->vbi_dev));
1284
1285         /* Register ALSA audio device */
1286         dev->audio_dev = cx23885_audio_register(dev);
1287
1288         return 0;
1289
1290 fail_unreg:
1291         cx23885_video_unregister(dev);
1292         return err;
1293 }