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

   1 /*
   2  *  Driver for the Conexant CX23885 PCIe bridge
   3  *
   4  *  Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *
  15  *  GNU General Public License for more details.
  16  */
  17
  18 #include <linux/init.h>
  19 #include <linux/list.h>
  20 #include <linux/module.h>
  21 #include <linux/moduleparam.h>
  22 #include <linux/kmod.h>
  23 #include <linux/kernel.h>
  24 #include <linux/slab.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/delay.h>
  27 #include <linux/kthread.h>
  28 #include <asm/div64.h>
  29
  30 #include "cx23885.h"
  31 #include "cx23885-video.h"
  32 #include <media/v4l2-common.h>
  33 #include <media/v4l2-ioctl.h>
  34 #include <media/v4l2-event.h>
  35 #include "cx23885-ioctl.h"
  36 #include "tuner-xc2028.h"
  37
  38 #include <media/drv-intf/cx25840.h>
  39
  40 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
  41 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
  42 MODULE_LICENSE("GPL");
  43
  44 /* ------------------------------------------------------------------ */
  45
  46 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  47 static unsigned int vbi_nr[]   = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  48
  49 module_param_array(video_nr, int, NULL, 0444);
  50 module_param_array(vbi_nr,   int, NULL, 0444);
  51
  52 MODULE_PARM_DESC(video_nr, "video device numbers");
  53 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
  54
  55 static unsigned int video_debug;
  56 module_param(video_debug, int, 0644);
  57 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
  58
  59 static unsigned int irq_debug;
  60 module_param(irq_debug, int, 0644);
  61 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
  62
  63 static unsigned int vid_limit = 16;
  64 module_param(vid_limit, int, 0644);
  65 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
  66
  67 #define dprintk(level, fmt, arg...)\
  68         do { if (video_debug >= level)\
  69                 printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
  70         } while (0)
  71
  72 /* ------------------------------------------------------------------- */
  73 /* static data                                                         */
  74
  75 #define FORMAT_FLAGS_PACKED       0x01
  76 static struct cx23885_fmt formats[] = {
  77         {
  78                 .name     = "4:2:2, packed, YUYV",
  79                 .fourcc   = V4L2_PIX_FMT_YUYV,
  80                 .depth    = 16,
  81                 .flags    = FORMAT_FLAGS_PACKED,
  82         }
  83 };
  84
  85 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
  86 {
  87         unsigned int i;
  88
  89         for (i = 0; i < ARRAY_SIZE(formats); i++)
  90                 if (formats[i].fourcc == fourcc)
  91                         return formats+i;
  92         return NULL;
  93 }
  94
  95 /* ------------------------------------------------------------------- */
  96
  97 void cx23885_video_wakeup(struct cx23885_dev *dev,
  98         struct cx23885_dmaqueue *q, u32 count)
  99 {
 100         struct cx23885_buffer *buf;
 101
 102         if (list_empty(&q->active))
 103                 return;
 104         buf = list_entry(q->active.next,
 105                         struct cx23885_buffer, queue);
 106
 107         buf->vb.sequence = q->count++;
 108         buf->vb.vb2_buf.timestamp = ktime_get_ns();
 109         dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf,
 110                         buf->vb.vb2_buf.index, count, q->count);
 111         list_del(&buf->queue);
 112         vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
 113 }
 114
 115 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
 116 {
 117         struct v4l2_subdev_format format = {
 118                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
 119                 .format.code = MEDIA_BUS_FMT_FIXED,
 120         };
 121
 122         dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
 123                 __func__,
 124                 (unsigned int)norm,
 125                 v4l2_norm_to_name(norm));
 126
 127         if (dev->tvnorm == norm)
 128                 return 0;
 129
 130         if (dev->tvnorm != norm) {
 131                 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 132                     vb2_is_busy(&dev->vb2_mpegq))
 133                         return -EBUSY;
 134         }
 135
 136         dev->tvnorm = norm;
 137         dev->width = 720;
 138         dev->height = norm_maxh(norm);
 139         dev->field = V4L2_FIELD_INTERLACED;
 140
 141         call_all(dev, video, s_std, norm);
 142
 143         format.format.width = dev->width;
 144         format.format.height = dev->height;
 145         format.format.field = dev->field;
 146         call_all(dev, pad, set_fmt, NULL, &format);
 147
 148         return 0;
 149 }
 150
 151 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
 152                                     struct pci_dev *pci,
 153                                     struct video_device *template,
 154                                     char *type)
 155 {
 156         struct video_device *vfd;
 157         dprintk(1, "%s()\n", __func__);
 158
 159         vfd = video_device_alloc();
 160         if (NULL == vfd)
 161                 return NULL;
 162         *vfd = *template;
 163         vfd->v4l2_dev = &dev->v4l2_dev;
 164         vfd->release = video_device_release;
 165         vfd->lock = &dev->lock;
 166         snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
 167                  cx23885_boards[dev->board].name, type);
 168         video_set_drvdata(vfd, dev);
 169         return vfd;
 170 }
 171
 172 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
 173 {
 174         /* 8 bit registers, 8 bit values */
 175         u8 buf[] = { reg, data };
 176
 177         struct i2c_msg msg = { .addr = 0x98 >> 1,
 178                 .flags = 0, .buf = buf, .len = 2 };
 179
 180         return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
 181 }
 182
 183 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
 184 {
 185         /* 8 bit registers, 8 bit values */
 186         int ret;
 187         u8 b0[] = { reg };
 188         u8 b1[] = { 0 };
 189
 190         struct i2c_msg msg[] = {
 191                 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
 192                 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
 193         };
 194
 195         ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
 196         if (ret != 2)
 197                 printk(KERN_ERR "%s() error\n", __func__);
 198
 199         return b1[0];
 200 }
 201
 202 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
 203 {
 204         int i;
 205         dprintk(1, "Flatiron dump\n");
 206         for (i = 0; i < 0x24; i++) {
 207                 dprintk(1, "FI[%02x] = %02x\n", i,
 208                         cx23885_flatiron_read(dev, i));
 209         }
 210 }
 211
 212 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
 213 {
 214         u8 val;
 215         dprintk(1, "%s(input = %d)\n", __func__, input);
 216
 217         if (input == 1)
 218                 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
 219         else if (input == 2)
 220                 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
 221         else
 222                 return -EINVAL;
 223
 224         val |= 0x20; /* Enable clock to delta-sigma and dec filter */
 225
 226         cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
 227
 228         /* Wake up */
 229         cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
 230
 231         if (video_debug)
 232                 cx23885_flatiron_dump(dev);
 233
 234         return 0;
 235 }
 236
 237 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
 238 {
 239         dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
 240                 __func__,
 241                 input, INPUT(input)->vmux,
 242                 INPUT(input)->gpio0, INPUT(input)->gpio1,
 243                 INPUT(input)->gpio2, INPUT(input)->gpio3);
 244         dev->input = input;
 245
 246         if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
 247                 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
 248                 dev->board == CX23885_BOARD_MYGICA_X8507) {
 249                 /* Select Analog TV */
 250                 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
 251                         cx23885_gpio_clear(dev, GPIO_0);
 252         }
 253
 254         /* Tell the internal A/V decoder */
 255         v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
 256                         INPUT(input)->vmux, 0, 0);
 257
 258         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
 259                 (dev->board == CX23885_BOARD_MPX885) ||
 260                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
 261                 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) ||
 262                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
 263                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
 264                 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
 265                 (dev->board == CX23885_BOARD_MYGICA_X8507) ||
 266                 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) ||
 267                 (dev->board == CX23885_BOARD_VIEWCAST_260E) ||
 268                 (dev->board == CX23885_BOARD_VIEWCAST_460E)) {
 269                 /* Configure audio routing */
 270                 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
 271                         INPUT(input)->amux, 0, 0);
 272
 273                 if (INPUT(input)->amux == CX25840_AUDIO7)
 274                         cx23885_flatiron_mux(dev, 1);
 275                 else if (INPUT(input)->amux == CX25840_AUDIO6)
 276                         cx23885_flatiron_mux(dev, 2);
 277         }
 278
 279         return 0;
 280 }
 281
 282 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
 283 {
 284         dprintk(1, "%s(input=%d)\n", __func__, input);
 285
 286         /* The baseband video core of the cx23885 has two audio inputs.
 287          * LR1 and LR2. In almost every single case so far only HVR1xxx
 288          * cards we've only ever supported LR1. Time to support LR2,
 289          * which is available via the optional white breakout header on
 290          * the board.
 291          * We'll use a could of existing enums in the card struct to allow
 292          * devs to specify which baseband input they need, or just default
 293          * to what we've always used.
 294          */
 295         if (INPUT(input)->amux == CX25840_AUDIO7)
 296                 cx23885_flatiron_mux(dev, 1);
 297         else if (INPUT(input)->amux == CX25840_AUDIO6)
 298                 cx23885_flatiron_mux(dev, 2);
 299         else {
 300                 /* Not specifically defined, assume the default. */
 301                 cx23885_flatiron_mux(dev, 1);
 302         }
 303
 304         return 0;
 305 }
 306
 307 /* ------------------------------------------------------------------ */
 308 static int cx23885_start_video_dma(struct cx23885_dev *dev,
 309                            struct cx23885_dmaqueue *q,
 310                            struct cx23885_buffer *buf)
 311 {
 312         dprintk(1, "%s()\n", __func__);
 313
 314         /* Stop the dma/fifo before we tamper with it's risc programs */
 315         cx_clear(VID_A_DMA_CTL, 0x11);
 316
 317         /* setup fifo + format */
 318         cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
 319                                 buf->bpl, buf->risc.dma);
 320
 321         /* reset counter */
 322         cx_write(VID_A_GPCNT_CTL, 3);
 323         q->count = 0;
 324
 325         /* enable irq */
 326         cx23885_irq_add_enable(dev, 0x01);
 327         cx_set(VID_A_INT_MSK, 0x000011);
 328
 329         /* start dma */
 330         cx_set(DEV_CNTRL2, (1<<5));
 331         cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
 332
 333         return 0;
 334 }
 335
 336 static int queue_setup(struct vb2_queue *q,
 337                            unsigned int *num_buffers, unsigned int *num_planes,
 338                            unsigned int sizes[], struct device *alloc_devs[])
 339 {
 340         struct cx23885_dev *dev = q->drv_priv;
 341
 342         *num_planes = 1;
 343         sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
 344         return 0;
 345 }
 346
 347 static int buffer_prepare(struct vb2_buffer *vb)
 348 {
 349         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 350         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 351         struct cx23885_buffer *buf =
 352                 container_of(vbuf, struct cx23885_buffer, vb);
 353         u32 line0_offset, line1_offset;
 354         struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
 355         int field_tff;
 356
 357         buf->bpl = (dev->width * dev->fmt->depth) >> 3;
 358
 359         if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
 360                 return -EINVAL;
 361         vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
 362
 363         switch (dev->field) {
 364         case V4L2_FIELD_TOP:
 365                 cx23885_risc_buffer(dev->pci, &buf->risc,
 366                                 sgt->sgl, 0, UNSET,
 367                                 buf->bpl, 0, dev->height);
 368                 break;
 369         case V4L2_FIELD_BOTTOM:
 370                 cx23885_risc_buffer(dev->pci, &buf->risc,
 371                                 sgt->sgl, UNSET, 0,
 372                                 buf->bpl, 0, dev->height);
 373                 break;
 374         case V4L2_FIELD_INTERLACED:
 375                 if (dev->tvnorm & V4L2_STD_525_60)
 376                         /* NTSC or  */
 377                         field_tff = 1;
 378                 else
 379                         field_tff = 0;
 380
 381                 if (cx23885_boards[dev->board].force_bff)
 382                         /* PAL / SECAM OR 888 in NTSC MODE */
 383                         field_tff = 0;
 384
 385                 if (field_tff) {
 386                         /* cx25840 transmits NTSC bottom field first */
 387                         dprintk(1, "%s() Creating TFF/NTSC risc\n",
 388                                         __func__);
 389                         line0_offset = buf->bpl;
 390                         line1_offset = 0;
 391                 } else {
 392                         /* All other formats are top field first */
 393                         dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
 394                                         __func__);
 395                         line0_offset = 0;
 396                         line1_offset = buf->bpl;
 397                 }
 398                 cx23885_risc_buffer(dev->pci, &buf->risc,
 399                                 sgt->sgl, line0_offset,
 400                                 line1_offset,
 401                                 buf->bpl, buf->bpl,
 402                                 dev->height >> 1);
 403                 break;
 404         case V4L2_FIELD_SEQ_TB:
 405                 cx23885_risc_buffer(dev->pci, &buf->risc,
 406                                 sgt->sgl,
 407                                 0, buf->bpl * (dev->height >> 1),
 408                                 buf->bpl, 0,
 409                                 dev->height >> 1);
 410                 break;
 411         case V4L2_FIELD_SEQ_BT:
 412                 cx23885_risc_buffer(dev->pci, &buf->risc,
 413                                 sgt->sgl,
 414                                 buf->bpl * (dev->height >> 1), 0,
 415                                 buf->bpl, 0,
 416                                 dev->height >> 1);
 417                 break;
 418         default:
 419                 BUG();
 420         }
 421         dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 422                 buf, buf->vb.vb2_buf.index,
 423                 dev->width, dev->height, dev->fmt->depth, dev->fmt->name,
 424                 (unsigned long)buf->risc.dma);
 425         return 0;
 426 }
 427
 428 static void buffer_finish(struct vb2_buffer *vb)
 429 {
 430         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 431         struct cx23885_buffer *buf = container_of(vbuf,
 432                 struct cx23885_buffer, vb);
 433
 434         cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
 435 }
 436
 437 /*
 438  * The risc program for each buffer works as follows: it starts with a simple
 439  * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
 440  * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
 441  * the initial JUMP).
 442  *
 443  * This is the risc program of the first buffer to be queued if the active list
 444  * is empty and it just keeps DMAing this buffer without generating any
 445  * interrupts.
 446  *
 447  * If a new buffer is added then the initial JUMP in the code for that buffer
 448  * will generate an interrupt which signals that the previous buffer has been
 449  * DMAed successfully and that it can be returned to userspace.
 450  *
 451  * It also sets the final jump of the previous buffer to the start of the new
 452  * buffer, thus chaining the new buffer into the DMA chain. This is a single
 453  * atomic u32 write, so there is no race condition.
 454  *
 455  * The end-result of all this that you only get an interrupt when a buffer
 456  * is ready, so the control flow is very easy.
 457  */
 458 static void buffer_queue(struct vb2_buffer *vb)
 459 {
 460         struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
 461         struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
 462         struct cx23885_buffer   *buf = container_of(vbuf,
 463                 struct cx23885_buffer, vb);
 464         struct cx23885_buffer   *prev;
 465         struct cx23885_dmaqueue *q    = &dev->vidq;
 466         unsigned long flags;
 467
 468         /* add jump to start */
 469         buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
 470         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
 471         buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
 472         buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
 473
 474         spin_lock_irqsave(&dev->slock, flags);
 475         if (list_empty(&q->active)) {
 476                 list_add_tail(&buf->queue, &q->active);
 477                 dprintk(2, "[%p/%d] buffer_queue - first active\n",
 478                         buf, buf->vb.vb2_buf.index);
 479         } else {
 480                 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
 481                 prev = list_entry(q->active.prev, struct cx23885_buffer,
 482                         queue);
 483                 list_add_tail(&buf->queue, &q->active);
 484                 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 485                 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
 486                                 buf, buf->vb.vb2_buf.index);
 487         }
 488         spin_unlock_irqrestore(&dev->slock, flags);
 489 }
 490
 491 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
 492 {
 493         struct cx23885_dev *dev = q->drv_priv;
 494         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 495         struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 496                         struct cx23885_buffer, queue);
 497
 498         cx23885_start_video_dma(dev, dmaq, buf);
 499         return 0;
 500 }
 501
 502 static void cx23885_stop_streaming(struct vb2_queue *q)
 503 {
 504         struct cx23885_dev *dev = q->drv_priv;
 505         struct cx23885_dmaqueue *dmaq = &dev->vidq;
 506         unsigned long flags;
 507
 508         cx_clear(VID_A_DMA_CTL, 0x11);
 509         spin_lock_irqsave(&dev->slock, flags);
 510         while (!list_empty(&dmaq->active)) {
 511                 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
 512                         struct cx23885_buffer, queue);
 513
 514                 list_del(&buf->queue);
 515                 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
 516         }
 517         spin_unlock_irqrestore(&dev->slock, flags);
 518 }
 519
 520 static const struct vb2_ops cx23885_video_qops = {
 521         .queue_setup    = queue_setup,
 522         .buf_prepare  = buffer_prepare,
 523         .buf_finish = buffer_finish,
 524         .buf_queue    = buffer_queue,
 525         .wait_prepare = vb2_ops_wait_prepare,
 526         .wait_finish = vb2_ops_wait_finish,
 527         .start_streaming = cx23885_start_streaming,
 528         .stop_streaming = cx23885_stop_streaming,
 529 };
 530
 531 /* ------------------------------------------------------------------ */
 532 /* VIDEO IOCTLS                                                       */
 533
 534 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 535         struct v4l2_format *f)
 536 {
 537         struct cx23885_dev *dev = video_drvdata(file);
 538
 539         f->fmt.pix.width        = dev->width;
 540         f->fmt.pix.height       = dev->height;
 541         f->fmt.pix.field        = dev->field;
 542         f->fmt.pix.pixelformat  = dev->fmt->fourcc;
 543         f->fmt.pix.bytesperline =
 544                 (f->fmt.pix.width * dev->fmt->depth) >> 3;
 545         f->fmt.pix.sizeimage =
 546                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 547         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 548
 549         return 0;
 550 }
 551
 552 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 553         struct v4l2_format *f)
 554 {
 555         struct cx23885_dev *dev = video_drvdata(file);
 556         struct cx23885_fmt *fmt;
 557         enum v4l2_field   field;
 558         unsigned int      maxw, maxh;
 559
 560         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 561         if (NULL == fmt)
 562                 return -EINVAL;
 563
 564         field = f->fmt.pix.field;
 565         maxw  = 720;
 566         maxh  = norm_maxh(dev->tvnorm);
 567
 568         if (V4L2_FIELD_ANY == field) {
 569                 field = (f->fmt.pix.height > maxh/2)
 570                         ? V4L2_FIELD_INTERLACED
 571                         : V4L2_FIELD_BOTTOM;
 572         }
 573
 574         switch (field) {
 575         case V4L2_FIELD_TOP:
 576         case V4L2_FIELD_BOTTOM:
 577                 maxh = maxh / 2;
 578                 break;
 579         case V4L2_FIELD_INTERLACED:
 580         case V4L2_FIELD_SEQ_TB:
 581         case V4L2_FIELD_SEQ_BT:
 582                 break;
 583         default:
 584                 field = V4L2_FIELD_INTERLACED;
 585                 break;
 586         }
 587
 588         f->fmt.pix.field = field;
 589         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 590                               &f->fmt.pix.height, 32, maxh, 0, 0);
 591         f->fmt.pix.bytesperline =
 592                 (f->fmt.pix.width * fmt->depth) >> 3;
 593         f->fmt.pix.sizeimage =
 594                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 595         f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 596
 597         return 0;
 598 }
 599
 600 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 601         struct v4l2_format *f)
 602 {
 603         struct cx23885_dev *dev = video_drvdata(file);
 604         struct v4l2_subdev_format format = {
 605                 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
 606         };
 607         int err;
 608
 609         dprintk(2, "%s()\n", __func__);
 610         err = vidioc_try_fmt_vid_cap(file, priv, f);
 611
 612         if (0 != err)
 613                 return err;
 614
 615         if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
 616             vb2_is_busy(&dev->vb2_mpegq))
 617                 return -EBUSY;
 618
 619         dev->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
 620         dev->width      = f->fmt.pix.width;
 621         dev->height     = f->fmt.pix.height;
 622         dev->field      = f->fmt.pix.field;
 623         dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
 624                 dev->width, dev->height, dev->field);
 625         v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
 626         call_all(dev, pad, set_fmt, NULL, &format);
 627         v4l2_fill_pix_format(&f->fmt.pix, &format.format);
 628         /* set_fmt overwrites f->fmt.pix.field, restore it */
 629         f->fmt.pix.field = dev->field;
 630         return 0;
 631 }
 632
 633 static int vidioc_querycap(struct file *file, void  *priv,
 634         struct v4l2_capability *cap)
 635 {
 636         struct cx23885_dev *dev = video_drvdata(file);
 637         struct video_device *vdev = video_devdata(file);
 638
 639         strcpy(cap->driver, "cx23885");
 640         strlcpy(cap->card, cx23885_boards[dev->board].name,
 641                 sizeof(cap->card));
 642         sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
 643         cap->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_AUDIO;
 644         if (dev->tuner_type != TUNER_ABSENT)
 645                 cap->device_caps |= V4L2_CAP_TUNER;
 646         if (vdev->vfl_type == VFL_TYPE_VBI)
 647                 cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
 648         else
 649                 cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
 650         cap->capabilities = cap->device_caps | V4L2_CAP_VBI_CAPTURE |
 651                 V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_DEVICE_CAPS;
 652         return 0;
 653 }
 654
 655 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 656         struct v4l2_fmtdesc *f)
 657 {
 658         if (unlikely(f->index >= ARRAY_SIZE(formats)))
 659                 return -EINVAL;
 660
 661         strlcpy(f->description, formats[f->index].name,
 662                 sizeof(f->description));
 663         f->pixelformat = formats[f->index].fourcc;
 664
 665         return 0;
 666 }
 667
 668 static int vidioc_cropcap(struct file *file, void *priv,
 669                           struct v4l2_cropcap *cc)
 670 {
 671         struct cx23885_dev *dev = video_drvdata(file);
 672         bool is_50hz = dev->tvnorm & V4L2_STD_625_50;
 673
 674         if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 675                 return -EINVAL;
 676
 677         cc->bounds.left = 0;
 678         cc->bounds.top = 0;
 679         cc->bounds.width = 720;
 680         cc->bounds.height = norm_maxh(dev->tvnorm);
 681         cc->defrect = cc->bounds;
 682         cc->pixelaspect.numerator = is_50hz ? 54 : 11;
 683         cc->pixelaspect.denominator = is_50hz ? 59 : 10;
 684
 685         return 0;
 686 }
 687
 688 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
 689 {
 690         struct cx23885_dev *dev = video_drvdata(file);
 691         dprintk(1, "%s()\n", __func__);
 692
 693         *id = dev->tvnorm;
 694         return 0;
 695 }
 696
 697 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
 698 {
 699         struct cx23885_dev *dev = video_drvdata(file);
 700         dprintk(1, "%s()\n", __func__);
 701
 702         return cx23885_set_tvnorm(dev, tvnorms);
 703 }
 704
 705 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
 706 {
 707         static const char *iname[] = {
 708                 [CX23885_VMUX_COMPOSITE1] = "Composite1",
 709                 [CX23885_VMUX_COMPOSITE2] = "Composite2",
 710                 [CX23885_VMUX_COMPOSITE3] = "Composite3",
 711                 [CX23885_VMUX_COMPOSITE4] = "Composite4",
 712                 [CX23885_VMUX_SVIDEO]     = "S-Video",
 713                 [CX23885_VMUX_COMPONENT]  = "Component",
 714                 [CX23885_VMUX_TELEVISION] = "Television",
 715                 [CX23885_VMUX_CABLE]      = "Cable TV",
 716                 [CX23885_VMUX_DVB]        = "DVB",
 717                 [CX23885_VMUX_DEBUG]      = "for debug only",
 718         };
 719         unsigned int n;
 720         dprintk(1, "%s()\n", __func__);
 721
 722         n = i->index;
 723         if (n >= MAX_CX23885_INPUT)
 724                 return -EINVAL;
 725
 726         if (0 == INPUT(n)->type)
 727                 return -EINVAL;
 728
 729         i->index = n;
 730         i->type  = V4L2_INPUT_TYPE_CAMERA;
 731         strcpy(i->name, iname[INPUT(n)->type]);
 732         i->std = CX23885_NORMS;
 733         if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
 734                 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
 735                 i->type = V4L2_INPUT_TYPE_TUNER;
 736                 i->audioset = 4;
 737         } else {
 738                 /* Two selectable audio inputs for non-tv inputs */
 739                 i->audioset = 3;
 740         }
 741
 742         if (dev->input == n) {
 743                 /* enum'd input matches our configured input.
 744                  * Ask the video decoder to process the call
 745                  * and give it an oppertunity to update the
 746                  * status field.
 747                  */
 748                 call_all(dev, video, g_input_status, &i->status);
 749         }
 750
 751         return 0;
 752 }
 753
 754 static int vidioc_enum_input(struct file *file, void *priv,
 755                                 struct v4l2_input *i)
 756 {
 757         struct cx23885_dev *dev = video_drvdata(file);
 758         dprintk(1, "%s()\n", __func__);
 759         return cx23885_enum_input(dev, i);
 760 }
 761
 762 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
 763 {
 764         struct cx23885_dev *dev = video_drvdata(file);
 765
 766         *i = dev->input;
 767         dprintk(1, "%s() returns %d\n", __func__, *i);
 768         return 0;
 769 }
 770
 771 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 772 {
 773         return cx23885_get_input(file, priv, i);
 774 }
 775
 776 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
 777 {
 778         struct cx23885_dev *dev = video_drvdata(file);
 779
 780         dprintk(1, "%s(%d)\n", __func__, i);
 781
 782         if (i >= MAX_CX23885_INPUT) {
 783                 dprintk(1, "%s() -EINVAL\n", __func__);
 784                 return -EINVAL;
 785         }
 786
 787         if (INPUT(i)->type == 0)
 788                 return -EINVAL;
 789
 790         cx23885_video_mux(dev, i);
 791
 792         /* By default establish the default audio input for the card also */
 793         /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
 794         cx23885_audio_mux(dev, i);
 795         return 0;
 796 }
 797
 798 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 799 {
 800         return cx23885_set_input(file, priv, i);
 801 }
 802
 803 static int vidioc_log_status(struct file *file, void *priv)
 804 {
 805         struct cx23885_dev *dev = video_drvdata(file);
 806
 807         call_all(dev, core, log_status);
 808         return 0;
 809 }
 810
 811 static int cx23885_query_audinput(struct file *file, void *priv,
 812         struct v4l2_audio *i)
 813 {
 814         struct cx23885_dev *dev = video_drvdata(file);
 815         static const char *iname[] = {
 816                 [0] = "Baseband L/R 1",
 817                 [1] = "Baseband L/R 2",
 818                 [2] = "TV",
 819         };
 820         unsigned int n;
 821         dprintk(1, "%s()\n", __func__);
 822
 823         n = i->index;
 824         if (n >= 3)
 825                 return -EINVAL;
 826
 827         memset(i, 0, sizeof(*i));
 828         i->index = n;
 829         strcpy(i->name, iname[n]);
 830         i->capability = V4L2_AUDCAP_STEREO;
 831         return 0;
 832
 833 }
 834
 835 static int vidioc_enum_audinput(struct file *file, void *priv,
 836                                 struct v4l2_audio *i)
 837 {
 838         return cx23885_query_audinput(file, priv, i);
 839 }
 840
 841 static int vidioc_g_audinput(struct file *file, void *priv,
 842         struct v4l2_audio *i)
 843 {
 844         struct cx23885_dev *dev = video_drvdata(file);
 845
 846         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 847                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type))
 848                 i->index = 2;
 849         else
 850                 i->index = dev->audinput;
 851         dprintk(1, "%s(input=%d)\n", __func__, i->index);
 852
 853         return cx23885_query_audinput(file, priv, i);
 854 }
 855
 856 static int vidioc_s_audinput(struct file *file, void *priv,
 857         const struct v4l2_audio *i)
 858 {
 859         struct cx23885_dev *dev = video_drvdata(file);
 860
 861         if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
 862                 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
 863                 return i->index != 2 ? -EINVAL : 0;
 864         }
 865         if (i->index > 1)
 866                 return -EINVAL;
 867
 868         dprintk(1, "%s(%d)\n", __func__, i->index);
 869
 870         dev->audinput = i->index;
 871
 872         /* Skip the audio defaults from the cards struct, caller wants
 873          * directly touch the audio mux hardware. */
 874         cx23885_flatiron_mux(dev, dev->audinput + 1);
 875         return 0;
 876 }
 877
 878 static int vidioc_g_tuner(struct file *file, void *priv,
 879                                 struct v4l2_tuner *t)
 880 {
 881         struct cx23885_dev *dev = video_drvdata(file);
 882
 883         if (dev->tuner_type == TUNER_ABSENT)
 884                 return -EINVAL;
 885         if (0 != t->index)
 886                 return -EINVAL;
 887
 888         strcpy(t->name, "Television");
 889
 890         call_all(dev, tuner, g_tuner, t);
 891         return 0;
 892 }
 893
 894 static int vidioc_s_tuner(struct file *file, void *priv,
 895                                 const struct v4l2_tuner *t)
 896 {
 897         struct cx23885_dev *dev = video_drvdata(file);
 898
 899         if (dev->tuner_type == TUNER_ABSENT)
 900                 return -EINVAL;
 901         if (0 != t->index)
 902                 return -EINVAL;
 903         /* Update the A/V core */
 904         call_all(dev, tuner, s_tuner, t);
 905
 906         return 0;
 907 }
 908
 909 static int vidioc_g_frequency(struct file *file, void *priv,
 910                                 struct v4l2_frequency *f)
 911 {
 912         struct cx23885_dev *dev = video_drvdata(file);
 913
 914         if (dev->tuner_type == TUNER_ABSENT)
 915                 return -EINVAL;
 916
 917         f->type = V4L2_TUNER_ANALOG_TV;
 918         f->frequency = dev->freq;
 919
 920         call_all(dev, tuner, g_frequency, f);
 921
 922         return 0;
 923 }
 924
 925 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
 926 {
 927         struct v4l2_ctrl *mute;
 928         int old_mute_val = 1;
 929
 930         if (dev->tuner_type == TUNER_ABSENT)
 931                 return -EINVAL;
 932         if (unlikely(f->tuner != 0))
 933                 return -EINVAL;
 934
 935         dev->freq = f->frequency;
 936
 937         /* I need to mute audio here */
 938         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
 939         if (mute) {
 940                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
 941                 if (!old_mute_val)
 942                         v4l2_ctrl_s_ctrl(mute, 1);
 943         }
 944
 945         call_all(dev, tuner, s_frequency, f);
 946
 947         /* When changing channels it is required to reset TVAUDIO */
 948         msleep(100);
 949
 950         /* I need to unmute audio here */
 951         if (old_mute_val == 0)
 952                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
 953
 954         return 0;
 955 }
 956
 957 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
 958         const struct v4l2_frequency *f)
 959 {
 960         struct v4l2_ctrl *mute;
 961         int old_mute_val = 1;
 962         struct vb2_dvb_frontend *vfe;
 963         struct dvb_frontend *fe;
 964
 965         struct analog_parameters params = {
 966                 .mode      = V4L2_TUNER_ANALOG_TV,
 967                 .audmode   = V4L2_TUNER_MODE_STEREO,
 968                 .std       = dev->tvnorm,
 969                 .frequency = f->frequency
 970         };
 971
 972         dev->freq = f->frequency;
 973
 974         /* I need to mute audio here */
 975         mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
 976         if (mute) {
 977                 old_mute_val = v4l2_ctrl_g_ctrl(mute);
 978                 if (!old_mute_val)
 979                         v4l2_ctrl_s_ctrl(mute, 1);
 980         }
 981
 982         /* If HVR1850 */
 983         dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
 984                 params.frequency, f->tuner, params.std);
 985
 986         vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
 987         if (!vfe) {
 988                 return -EINVAL;
 989         }
 990
 991         fe = vfe->dvb.frontend;
 992
 993         if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
 994             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
 995             (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111))
 996                 fe = &dev->ts1.analog_fe;
 997
 998         if (fe && fe->ops.tuner_ops.set_analog_params) {
 999                 call_all(dev, video, s_std, dev->tvnorm);
1000                 fe->ops.tuner_ops.set_analog_params(fe, &params);
1001         }
1002         else
1003                 printk(KERN_ERR "%s() No analog tuner, aborting\n", __func__);
1004
1005         /* When changing channels it is required to reset TVAUDIO */
1006         msleep(100);
1007
1008         /* I need to unmute audio here */
1009         if (old_mute_val == 0)
1010                 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1011
1012         return 0;
1013 }
1014
1015 int cx23885_set_frequency(struct file *file, void *priv,
1016         const struct v4l2_frequency *f)
1017 {
1018         struct cx23885_dev *dev = video_drvdata(file);
1019         int ret;
1020
1021         switch (dev->board) {
1022         case CX23885_BOARD_HAUPPAUGE_HVR1255:
1023         case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1024         case CX23885_BOARD_HAUPPAUGE_HVR1850:
1025                 ret = cx23885_set_freq_via_ops(dev, f);
1026                 break;
1027         default:
1028                 ret = cx23885_set_freq(dev, f);
1029         }
1030
1031         return ret;
1032 }
1033
1034 static int vidioc_s_frequency(struct file *file, void *priv,
1035         const struct v4l2_frequency *f)
1036 {
1037         return cx23885_set_frequency(file, priv, f);
1038 }
1039
1040 /* ----------------------------------------------------------- */
1041
1042 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1043 {
1044         u32 mask, count;
1045         int handled = 0;
1046
1047         mask   = cx_read(VID_A_INT_MSK);
1048         if (0 == (status & mask))
1049                 return handled;
1050
1051         cx_write(VID_A_INT_STAT, status);
1052
1053         /* risc op code error, fifo overflow or line sync detection error */
1054         if ((status & VID_BC_MSK_OPC_ERR) ||
1055                 (status & VID_BC_MSK_SYNC) ||
1056                 (status & VID_BC_MSK_OF)) {
1057
1058                 if (status & VID_BC_MSK_OPC_ERR) {
1059                         dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1060                                 VID_BC_MSK_OPC_ERR);
1061                         printk(KERN_WARNING "%s: video risc op code error\n",
1062                                 dev->name);
1063                         cx23885_sram_channel_dump(dev,
1064                                 &dev->sram_channels[SRAM_CH01]);
1065                 }
1066
1067                 if (status & VID_BC_MSK_SYNC)
1068                         dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) "
1069                                 "video lines miss-match\n",
1070                                 VID_BC_MSK_SYNC);
1071
1072                 if (status & VID_BC_MSK_OF)
1073                         dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1074                                 VID_BC_MSK_OF);
1075
1076         }
1077
1078         /* Video */
1079         if (status & VID_BC_MSK_RISCI1) {
1080                 spin_lock(&dev->slock);
1081                 count = cx_read(VID_A_GPCNT);
1082                 cx23885_video_wakeup(dev, &dev->vidq, count);
1083                 spin_unlock(&dev->slock);
1084                 handled++;
1085         }
1086
1087         /* Allow the VBI framework to process it's payload */
1088         handled += cx23885_vbi_irq(dev, status);
1089
1090         return handled;
1091 }
1092
1093 /* ----------------------------------------------------------- */
1094 /* exported stuff                                              */
1095
1096 static const struct v4l2_file_operations video_fops = {
1097         .owner         = THIS_MODULE,
1098         .open           = v4l2_fh_open,
1099         .release        = vb2_fop_release,
1100         .read           = vb2_fop_read,
1101         .poll           = vb2_fop_poll,
1102         .unlocked_ioctl = video_ioctl2,
1103         .mmap           = vb2_fop_mmap,
1104 };
1105
1106 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1107         .vidioc_querycap      = vidioc_querycap,
1108         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1109         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1110         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1111         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1112         .vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1113         .vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1114         .vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1115         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1116         .vidioc_prepare_buf   = vb2_ioctl_prepare_buf,
1117         .vidioc_querybuf      = vb2_ioctl_querybuf,
1118         .vidioc_qbuf          = vb2_ioctl_qbuf,
1119         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1120         .vidioc_streamon      = vb2_ioctl_streamon,
1121         .vidioc_streamoff     = vb2_ioctl_streamoff,
1122         .vidioc_cropcap       = vidioc_cropcap,
1123         .vidioc_s_std         = vidioc_s_std,
1124         .vidioc_g_std         = vidioc_g_std,
1125         .vidioc_enum_input    = vidioc_enum_input,
1126         .vidioc_g_input       = vidioc_g_input,
1127         .vidioc_s_input       = vidioc_s_input,
1128         .vidioc_log_status    = vidioc_log_status,
1129         .vidioc_g_tuner       = vidioc_g_tuner,
1130         .vidioc_s_tuner       = vidioc_s_tuner,
1131         .vidioc_g_frequency   = vidioc_g_frequency,
1132         .vidioc_s_frequency   = vidioc_s_frequency,
1133 #ifdef CONFIG_VIDEO_ADV_DEBUG
1134         .vidioc_g_chip_info   = cx23885_g_chip_info,
1135         .vidioc_g_register    = cx23885_g_register,
1136         .vidioc_s_register    = cx23885_s_register,
1137 #endif
1138         .vidioc_enumaudio     = vidioc_enum_audinput,
1139         .vidioc_g_audio       = vidioc_g_audinput,
1140         .vidioc_s_audio       = vidioc_s_audinput,
1141         .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1142         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1143 };
1144
1145 static struct video_device cx23885_vbi_template;
1146 static struct video_device cx23885_video_template = {
1147         .name                 = "cx23885-video",
1148         .fops                 = &video_fops,
1149         .ioctl_ops            = &video_ioctl_ops,
1150         .tvnorms              = CX23885_NORMS,
1151 };
1152
1153 void cx23885_video_unregister(struct cx23885_dev *dev)
1154 {
1155         dprintk(1, "%s()\n", __func__);
1156         cx23885_irq_remove(dev, 0x01);
1157
1158         if (dev->vbi_dev) {
1159                 if (video_is_registered(dev->vbi_dev))
1160                         video_unregister_device(dev->vbi_dev);
1161                 else
1162                         video_device_release(dev->vbi_dev);
1163                 dev->vbi_dev = NULL;
1164         }
1165         if (dev->video_dev) {
1166                 if (video_is_registered(dev->video_dev))
1167                         video_unregister_device(dev->video_dev);
1168                 else
1169                         video_device_release(dev->video_dev);
1170                 dev->video_dev = NULL;
1171         }
1172
1173         if (dev->audio_dev)
1174                 cx23885_audio_unregister(dev);
1175 }
1176
1177 int cx23885_video_register(struct cx23885_dev *dev)
1178 {
1179         struct vb2_queue *q;
1180         int err;
1181
1182         dprintk(1, "%s()\n", __func__);
1183
1184         /* Initialize VBI template */
1185         cx23885_vbi_template = cx23885_video_template;
1186         strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1187
1188         dev->tvnorm = V4L2_STD_NTSC_M;
1189         dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1190         dev->field = V4L2_FIELD_INTERLACED;
1191         dev->width = 720;
1192         dev->height = norm_maxh(dev->tvnorm);
1193
1194         /* init video dma queues */
1195         INIT_LIST_HEAD(&dev->vidq.active);
1196
1197         /* init vbi dma queues */
1198         INIT_LIST_HEAD(&dev->vbiq.active);
1199
1200         cx23885_irq_add_enable(dev, 0x01);
1201
1202         if ((TUNER_ABSENT != dev->tuner_type) &&
1203                         ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1204                 struct v4l2_subdev *sd = NULL;
1205
1206                 if (dev->tuner_addr)
1207                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1208                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1209                                 "tuner", dev->tuner_addr, NULL);
1210                 else
1211                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1212                                 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1213                                 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1214                 if (sd) {
1215                         struct tuner_setup tun_setup;
1216
1217                         memset(&tun_setup, 0, sizeof(tun_setup));
1218                         tun_setup.mode_mask = T_ANALOG_TV;
1219                         tun_setup.type = dev->tuner_type;
1220                         tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1221                         tun_setup.tuner_callback = cx23885_tuner_callback;
1222
1223                         v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1224
1225                         if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1226                             (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1227                                 struct xc2028_ctrl ctrl = {
1228                                         .fname = XC2028_DEFAULT_FIRMWARE,
1229                                         .max_len = 64
1230                                 };
1231                                 struct v4l2_priv_tun_config cfg = {
1232                                         .tuner = dev->tuner_type,
1233                                         .priv = &ctrl
1234                                 };
1235                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1236                         }
1237
1238                         if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1239                                 struct xc2028_ctrl ctrl = {
1240                                         .fname = "xc3028L-v36.fw",
1241                                         .max_len = 64
1242                                 };
1243                                 struct v4l2_priv_tun_config cfg = {
1244                                         .tuner = dev->tuner_type,
1245                                         .priv = &ctrl
1246                                 };
1247                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1248                         }
1249                 }
1250         }
1251
1252         /* initial device configuration */
1253         mutex_lock(&dev->lock);
1254         cx23885_set_tvnorm(dev, dev->tvnorm);
1255         cx23885_video_mux(dev, 0);
1256         cx23885_audio_mux(dev, 0);
1257         mutex_unlock(&dev->lock);
1258
1259         q = &dev->vb2_vidq;
1260         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1261         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1262         q->gfp_flags = GFP_DMA32;
1263         q->min_buffers_needed = 2;
1264         q->drv_priv = dev;
1265         q->buf_struct_size = sizeof(struct cx23885_buffer);
1266         q->ops = &cx23885_video_qops;
1267         q->mem_ops = &vb2_dma_sg_memops;
1268         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1269         q->lock = &dev->lock;
1270         q->dev = &dev->pci->dev;
1271
1272         err = vb2_queue_init(q);
1273         if (err < 0)
1274                 goto fail_unreg;
1275
1276         q = &dev->vb2_vbiq;
1277         q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1278         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1279         q->gfp_flags = GFP_DMA32;
1280         q->min_buffers_needed = 2;
1281         q->drv_priv = dev;
1282         q->buf_struct_size = sizeof(struct cx23885_buffer);
1283         q->ops = &cx23885_vbi_qops;
1284         q->mem_ops = &vb2_dma_sg_memops;
1285         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1286         q->lock = &dev->lock;
1287         q->dev = &dev->pci->dev;
1288
1289         err = vb2_queue_init(q);
1290         if (err < 0)
1291                 goto fail_unreg;
1292
1293         /* register Video device */
1294         dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1295                 &cx23885_video_template, "video");
1296         dev->video_dev->queue = &dev->vb2_vidq;
1297         err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1298                                     video_nr[dev->nr]);
1299         if (err < 0) {
1300                 printk(KERN_INFO "%s: can't register video device\n",
1301                         dev->name);
1302                 goto fail_unreg;
1303         }
1304         printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1305                dev->name, video_device_node_name(dev->video_dev));
1306
1307         /* register VBI device */
1308         dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1309                 &cx23885_vbi_template, "vbi");
1310         dev->vbi_dev->queue = &dev->vb2_vbiq;
1311         err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1312                                     vbi_nr[dev->nr]);
1313         if (err < 0) {
1314                 printk(KERN_INFO "%s: can't register vbi device\n",
1315                         dev->name);
1316                 goto fail_unreg;
1317         }
1318         printk(KERN_INFO "%s: registered device %s\n",
1319                dev->name, video_device_node_name(dev->vbi_dev));
1320
1321         /* Register ALSA audio device */
1322         dev->audio_dev = cx23885_audio_register(dev);
1323
1324         return 0;
1325
1326 fail_unreg:
1327         cx23885_video_unregister(dev);
1328         return err;
1329 }