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

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