drivers/media/video/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  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include <linux/init.h>
  23 #include <linux/list.h>
  24 #include <linux/module.h>
  25 #include <linux/moduleparam.h>
  26 #include <linux/kmod.h>
  27 #include <linux/kernel.h>
  28 #include <linux/slab.h>
  29 #include <linux/smp_lock.h>
  30 #include <linux/interrupt.h>
  31 #include <linux/delay.h>
  32 #include <linux/kthread.h>
  33 #include <asm/div64.h>
  34
  35 #include "cx23885.h"
  36 #include <media/v4l2-common.h>
  37 #include <media/v4l2-ioctl.h>
  38 #include "cx23885-ioctl.h"
  39 #include "tuner-xc2028.h"
  40
  41 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
  42 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
  43 MODULE_LICENSE("GPL");
  44
  45 /* ------------------------------------------------------------------ */
  46
  47 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  48 static unsigned int vbi_nr[]   = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  49 static unsigned int radio_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
  50
  51 module_param_array(video_nr, int, NULL, 0444);
  52 module_param_array(vbi_nr,   int, NULL, 0444);
  53 module_param_array(radio_nr, int, NULL, 0444);
  54
  55 MODULE_PARM_DESC(video_nr, "video device numbers");
  56 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
  57 MODULE_PARM_DESC(radio_nr, "radio device numbers");
  58
  59 static unsigned int video_debug;
  60 module_param(video_debug, int, 0644);
  61 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
  62
  63 static unsigned int irq_debug;
  64 module_param(irq_debug, int, 0644);
  65 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
  66
  67 static unsigned int vid_limit = 16;
  68 module_param(vid_limit, int, 0644);
  69 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
  70
  71 #define dprintk(level, fmt, arg...)\
  72         do { if (video_debug >= level)\
  73                 printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
  74         } while (0)
  75
  76 /* ------------------------------------------------------------------- */
  77 /* static data                                                         */
  78
  79 #define FORMAT_FLAGS_PACKED       0x01
  80
  81 static struct cx23885_fmt formats[] = {
  82         {
  83                 .name     = "8 bpp, gray",
  84                 .fourcc   = V4L2_PIX_FMT_GREY,
  85                 .depth    = 8,
  86                 .flags    = FORMAT_FLAGS_PACKED,
  87         }, {
  88                 .name     = "15 bpp RGB, le",
  89                 .fourcc   = V4L2_PIX_FMT_RGB555,
  90                 .depth    = 16,
  91                 .flags    = FORMAT_FLAGS_PACKED,
  92         }, {
  93                 .name     = "15 bpp RGB, be",
  94                 .fourcc   = V4L2_PIX_FMT_RGB555X,
  95                 .depth    = 16,
  96                 .flags    = FORMAT_FLAGS_PACKED,
  97         }, {
  98                 .name     = "16 bpp RGB, le",
  99                 .fourcc   = V4L2_PIX_FMT_RGB565,
 100                 .depth    = 16,
 101                 .flags    = FORMAT_FLAGS_PACKED,
 102         }, {
 103                 .name     = "16 bpp RGB, be",
 104                 .fourcc   = V4L2_PIX_FMT_RGB565X,
 105                 .depth    = 16,
 106                 .flags    = FORMAT_FLAGS_PACKED,
 107         }, {
 108                 .name     = "24 bpp RGB, le",
 109                 .fourcc   = V4L2_PIX_FMT_BGR24,
 110                 .depth    = 24,
 111                 .flags    = FORMAT_FLAGS_PACKED,
 112         }, {
 113                 .name     = "32 bpp RGB, le",
 114                 .fourcc   = V4L2_PIX_FMT_BGR32,
 115                 .depth    = 32,
 116                 .flags    = FORMAT_FLAGS_PACKED,
 117         }, {
 118                 .name     = "32 bpp RGB, be",
 119                 .fourcc   = V4L2_PIX_FMT_RGB32,
 120                 .depth    = 32,
 121                 .flags    = FORMAT_FLAGS_PACKED,
 122         }, {
 123                 .name     = "4:2:2, packed, YUYV",
 124                 .fourcc   = V4L2_PIX_FMT_YUYV,
 125                 .depth    = 16,
 126                 .flags    = FORMAT_FLAGS_PACKED,
 127         }, {
 128                 .name     = "4:2:2, packed, UYVY",
 129                 .fourcc   = V4L2_PIX_FMT_UYVY,
 130                 .depth    = 16,
 131                 .flags    = FORMAT_FLAGS_PACKED,
 132         },
 133 };
 134
 135 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
 136 {
 137         unsigned int i;
 138
 139         for (i = 0; i < ARRAY_SIZE(formats); i++)
 140                 if (formats[i].fourcc == fourcc)
 141                         return formats+i;
 142
 143         printk(KERN_ERR "%s(0x%08x) NOT FOUND\n", __func__, fourcc);
 144         return NULL;
 145 }
 146
 147 /* ------------------------------------------------------------------- */
 148
 149 static const struct v4l2_queryctrl no_ctl = {
 150         .name  = "42",
 151         .flags = V4L2_CTRL_FLAG_DISABLED,
 152 };
 153
 154 static struct cx23885_ctrl cx23885_ctls[] = {
 155         /* --- video --- */
 156         {
 157                 .v = {
 158                         .id            = V4L2_CID_BRIGHTNESS,
 159                         .name          = "Brightness",
 160                         .minimum       = 0x00,
 161                         .maximum       = 0xff,
 162                         .step          = 1,
 163                         .default_value = 0x7f,
 164                         .type          = V4L2_CTRL_TYPE_INTEGER,
 165                 },
 166                 .off                   = 128,
 167                 .reg                   = LUMA_CTRL,
 168                 .mask                  = 0x00ff,
 169                 .shift                 = 0,
 170         }, {
 171                 .v = {
 172                         .id            = V4L2_CID_CONTRAST,
 173                         .name          = "Contrast",
 174                         .minimum       = 0,
 175                         .maximum       = 0xff,
 176                         .step          = 1,
 177                         .default_value = 0x3f,
 178                         .type          = V4L2_CTRL_TYPE_INTEGER,
 179                 },
 180                 .off                   = 0,
 181                 .reg                   = LUMA_CTRL,
 182                 .mask                  = 0xff00,
 183                 .shift                 = 8,
 184         }, {
 185                 .v = {
 186                         .id            = V4L2_CID_HUE,
 187                         .name          = "Hue",
 188                         .minimum       = 0,
 189                         .maximum       = 0xff,
 190                         .step          = 1,
 191                         .default_value = 0x7f,
 192                         .type          = V4L2_CTRL_TYPE_INTEGER,
 193                 },
 194                 .off                   = 128,
 195                 .reg                   = CHROMA_CTRL,
 196                 .mask                  = 0xff0000,
 197                 .shift                 = 16,
 198         }, {
 199                 /* strictly, this only describes only U saturation.
 200                  * V saturation is handled specially through code.
 201                  */
 202                 .v = {
 203                         .id            = V4L2_CID_SATURATION,
 204                         .name          = "Saturation",
 205                         .minimum       = 0,
 206                         .maximum       = 0xff,
 207                         .step          = 1,
 208                         .default_value = 0x7f,
 209                         .type          = V4L2_CTRL_TYPE_INTEGER,
 210                 },
 211                 .off                   = 0,
 212                 .reg                   = CHROMA_CTRL,
 213                 .mask                  = 0x00ff,
 214                 .shift                 = 0,
 215         }, {
 216         /* --- audio --- */
 217                 .v = {
 218                         .id            = V4L2_CID_AUDIO_MUTE,
 219                         .name          = "Mute",
 220                         .minimum       = 0,
 221                         .maximum       = 1,
 222                         .default_value = 1,
 223                         .type          = V4L2_CTRL_TYPE_BOOLEAN,
 224                 },
 225                 .reg                   = PATH1_CTL1,
 226                 .mask                  = (0x1f << 24),
 227                 .shift                 = 24,
 228         }, {
 229                 .v = {
 230                         .id            = V4L2_CID_AUDIO_VOLUME,
 231                         .name          = "Volume",
 232                         .minimum       = 0,
 233                         .maximum       = 0x3f,
 234                         .step          = 1,
 235                         .default_value = 0x3f,
 236                         .type          = V4L2_CTRL_TYPE_INTEGER,
 237                 },
 238                 .reg                   = PATH1_VOL_CTL,
 239                 .mask                  = 0xff,
 240                 .shift                 = 0,
 241         }
 242 };
 243 static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls);
 244
 245 /* Must be sorted from low to high control ID! */
 246 static const u32 cx23885_user_ctrls[] = {
 247         V4L2_CID_USER_CLASS,
 248         V4L2_CID_BRIGHTNESS,
 249         V4L2_CID_CONTRAST,
 250         V4L2_CID_SATURATION,
 251         V4L2_CID_HUE,
 252         V4L2_CID_AUDIO_VOLUME,
 253         V4L2_CID_AUDIO_MUTE,
 254         0
 255 };
 256
 257 static const u32 *ctrl_classes[] = {
 258         cx23885_user_ctrls,
 259         NULL
 260 };
 261
 262 static void cx23885_video_wakeup(struct cx23885_dev *dev,
 263                  struct cx23885_dmaqueue *q, u32 count)
 264 {
 265         struct cx23885_buffer *buf;
 266         int bc;
 267
 268         for (bc = 0;; bc++) {
 269                 if (list_empty(&q->active))
 270                         break;
 271                 buf = list_entry(q->active.next,
 272                                  struct cx23885_buffer, vb.queue);
 273
 274                 /* count comes from the hw and is is 16bit wide --
 275                  * this trick handles wrap-arounds correctly for
 276                  * up to 32767 buffers in flight... */
 277                 if ((s16) (count - buf->count) < 0)
 278                         break;
 279
 280                 do_gettimeofday(&buf->vb.ts);
 281                 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i,
 282                         count, buf->count);
 283                 buf->vb.state = VIDEOBUF_DONE;
 284                 list_del(&buf->vb.queue);
 285                 wake_up(&buf->vb.done);
 286         }
 287         if (list_empty(&q->active))
 288                 del_timer(&q->timeout);
 289         else
 290                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 291         if (bc != 1)
 292                 printk(KERN_ERR "%s: %d buffers handled (should be 1)\n",
 293                         __func__, bc);
 294 }
 295
 296 static int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
 297 {
 298         dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
 299                 __func__,
 300                 (unsigned int)norm,
 301                 v4l2_norm_to_name(norm));
 302
 303         dev->tvnorm = norm;
 304
 305         call_all(dev, core, s_std, norm);
 306
 307         return 0;
 308 }
 309
 310 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
 311                                     struct pci_dev *pci,
 312                                     struct video_device *template,
 313                                     char *type)
 314 {
 315         struct video_device *vfd;
 316         dprintk(1, "%s()\n", __func__);
 317
 318         vfd = video_device_alloc();
 319         if (NULL == vfd)
 320                 return NULL;
 321         *vfd = *template;
 322         vfd->v4l2_dev = &dev->v4l2_dev;
 323         vfd->release = video_device_release;
 324         snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
 325                  dev->name, type, cx23885_boards[dev->board].name);
 326         video_set_drvdata(vfd, dev);
 327         return vfd;
 328 }
 329
 330 static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
 331 {
 332         int i;
 333
 334         if (qctrl->id < V4L2_CID_BASE ||
 335             qctrl->id >= V4L2_CID_LASTP1)
 336                 return -EINVAL;
 337         for (i = 0; i < CX23885_CTLS; i++)
 338                 if (cx23885_ctls[i].v.id == qctrl->id)
 339                         break;
 340         if (i == CX23885_CTLS) {
 341                 *qctrl = no_ctl;
 342                 return 0;
 343         }
 344         *qctrl = cx23885_ctls[i].v;
 345         return 0;
 346 }
 347
 348 /* ------------------------------------------------------------------- */
 349 /* resource management                                                 */
 350
 351 static int res_get(struct cx23885_dev *dev, struct cx23885_fh *fh,
 352         unsigned int bit)
 353 {
 354         dprintk(1, "%s()\n", __func__);
 355         if (fh->resources & bit)
 356                 /* have it already allocated */
 357                 return 1;
 358
 359         /* is it free? */
 360         mutex_lock(&dev->lock);
 361         if (dev->resources & bit) {
 362                 /* no, someone else uses it */
 363                 mutex_unlock(&dev->lock);
 364                 return 0;
 365         }
 366         /* it's free, grab it */
 367         fh->resources  |= bit;
 368         dev->resources |= bit;
 369         dprintk(1, "res: get %d\n", bit);
 370         mutex_unlock(&dev->lock);
 371         return 1;
 372 }
 373
 374 static int res_check(struct cx23885_fh *fh, unsigned int bit)
 375 {
 376         return fh->resources & bit;
 377 }
 378
 379 static int res_locked(struct cx23885_dev *dev, unsigned int bit)
 380 {
 381         return dev->resources & bit;
 382 }
 383
 384 static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh,
 385         unsigned int bits)
 386 {
 387         BUG_ON((fh->resources & bits) != bits);
 388         dprintk(1, "%s()\n", __func__);
 389
 390         mutex_lock(&dev->lock);
 391         fh->resources  &= ~bits;
 392         dev->resources &= ~bits;
 393         dprintk(1, "res: put %d\n", bits);
 394         mutex_unlock(&dev->lock);
 395 }
 396
 397 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
 398 {
 399         dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
 400                 __func__,
 401                 input, INPUT(input)->vmux,
 402                 INPUT(input)->gpio0, INPUT(input)->gpio1,
 403                 INPUT(input)->gpio2, INPUT(input)->gpio3);
 404         dev->input = input;
 405
 406         if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
 407                 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2) {
 408                 /* Select Analog TV */
 409                 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
 410                         cx23885_gpio_clear(dev, GPIO_0);
 411         }
 412
 413         /* Tell the internal A/V decoder */
 414         v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
 415                         INPUT(input)->vmux, 0, 0);
 416
 417         return 0;
 418 }
 419
 420 /* ------------------------------------------------------------------ */
 421 static int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width,
 422         unsigned int height, enum v4l2_field field)
 423 {
 424         dprintk(1, "%s()\n", __func__);
 425         return 0;
 426 }
 427
 428 static int cx23885_start_video_dma(struct cx23885_dev *dev,
 429                            struct cx23885_dmaqueue *q,
 430                            struct cx23885_buffer *buf)
 431 {
 432         dprintk(1, "%s()\n", __func__);
 433
 434         /* setup fifo + format */
 435         cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
 436                                 buf->bpl, buf->risc.dma);
 437         cx23885_set_scale(dev, buf->vb.width, buf->vb.height, buf->vb.field);
 438
 439         /* reset counter */
 440         cx_write(VID_A_GPCNT_CTL, 3);
 441         q->count = 1;
 442
 443         /* enable irq */
 444         cx23885_irq_add_enable(dev, 0x01);
 445         cx_set(VID_A_INT_MSK, 0x000011);
 446
 447         /* start dma */
 448         cx_set(DEV_CNTRL2, (1<<5));
 449         cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
 450
 451         return 0;
 452 }
 453
 454
 455 static int cx23885_restart_video_queue(struct cx23885_dev *dev,
 456                                struct cx23885_dmaqueue *q)
 457 {
 458         struct cx23885_buffer *buf, *prev;
 459         struct list_head *item;
 460         dprintk(1, "%s()\n", __func__);
 461
 462         if (!list_empty(&q->active)) {
 463                 buf = list_entry(q->active.next, struct cx23885_buffer,
 464                         vb.queue);
 465                 dprintk(2, "restart_queue [%p/%d]: restart dma\n",
 466                         buf, buf->vb.i);
 467                 cx23885_start_video_dma(dev, q, buf);
 468                 list_for_each(item, &q->active) {
 469                         buf = list_entry(item, struct cx23885_buffer,
 470                                 vb.queue);
 471                         buf->count    = q->count++;
 472                 }
 473                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 474                 return 0;
 475         }
 476
 477         prev = NULL;
 478         for (;;) {
 479                 if (list_empty(&q->queued))
 480                         return 0;
 481                 buf = list_entry(q->queued.next, struct cx23885_buffer,
 482                         vb.queue);
 483                 if (NULL == prev) {
 484                         list_move_tail(&buf->vb.queue, &q->active);
 485                         cx23885_start_video_dma(dev, q, buf);
 486                         buf->vb.state = VIDEOBUF_ACTIVE;
 487                         buf->count    = q->count++;
 488                         mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 489                         dprintk(2, "[%p/%d] restart_queue - first active\n",
 490                                 buf, buf->vb.i);
 491
 492                 } else if (prev->vb.width  == buf->vb.width  &&
 493                            prev->vb.height == buf->vb.height &&
 494                            prev->fmt       == buf->fmt) {
 495                         list_move_tail(&buf->vb.queue, &q->active);
 496                         buf->vb.state = VIDEOBUF_ACTIVE;
 497                         buf->count    = q->count++;
 498                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 499                         prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */
 500                         dprintk(2, "[%p/%d] restart_queue - move to active\n",
 501                                 buf, buf->vb.i);
 502                 } else {
 503                         return 0;
 504                 }
 505                 prev = buf;
 506         }
 507 }
 508
 509 static int buffer_setup(struct videobuf_queue *q, unsigned int *count,
 510         unsigned int *size)
 511 {
 512         struct cx23885_fh *fh = q->priv_data;
 513
 514         *size = fh->fmt->depth*fh->width*fh->height >> 3;
 515         if (0 == *count)
 516                 *count = 32;
 517         if (*size * *count > vid_limit * 1024 * 1024)
 518                 *count = (vid_limit * 1024 * 1024) / *size;
 519         return 0;
 520 }
 521
 522 static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
 523                enum v4l2_field field)
 524 {
 525         struct cx23885_fh *fh  = q->priv_data;
 526         struct cx23885_dev *dev = fh->dev;
 527         struct cx23885_buffer *buf =
 528                 container_of(vb, struct cx23885_buffer, vb);
 529         int rc, init_buffer = 0;
 530         u32 line0_offset, line1_offset;
 531         struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb);
 532
 533         BUG_ON(NULL == fh->fmt);
 534         if (fh->width  < 48 || fh->width  > norm_maxw(dev->tvnorm) ||
 535             fh->height < 32 || fh->height > norm_maxh(dev->tvnorm))
 536                 return -EINVAL;
 537         buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3;
 538         if (0 != buf->vb.baddr  &&  buf->vb.bsize < buf->vb.size)
 539                 return -EINVAL;
 540
 541         if (buf->fmt       != fh->fmt    ||
 542             buf->vb.width  != fh->width  ||
 543             buf->vb.height != fh->height ||
 544             buf->vb.field  != field) {
 545                 buf->fmt       = fh->fmt;
 546                 buf->vb.width  = fh->width;
 547                 buf->vb.height = fh->height;
 548                 buf->vb.field  = field;
 549                 init_buffer = 1;
 550         }
 551
 552         if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
 553                 init_buffer = 1;
 554                 rc = videobuf_iolock(q, &buf->vb, NULL);
 555                 if (0 != rc)
 556                         goto fail;
 557         }
 558
 559         if (init_buffer) {
 560                 buf->bpl = buf->vb.width * buf->fmt->depth >> 3;
 561                 switch (buf->vb.field) {
 562                 case V4L2_FIELD_TOP:
 563                         cx23885_risc_buffer(dev->pci, &buf->risc,
 564                                          dma->sglist, 0, UNSET,
 565                                          buf->bpl, 0, buf->vb.height);
 566                         break;
 567                 case V4L2_FIELD_BOTTOM:
 568                         cx23885_risc_buffer(dev->pci, &buf->risc,
 569                                          dma->sglist, UNSET, 0,
 570                                          buf->bpl, 0, buf->vb.height);
 571                         break;
 572                 case V4L2_FIELD_INTERLACED:
 573                         if (dev->tvnorm & V4L2_STD_NTSC) {
 574                                 /* cx25840 transmits NTSC bottom field first */
 575                                 dprintk(1, "%s() Creating NTSC risc\n",
 576                                         __func__);
 577                                 line0_offset = buf->bpl;
 578                                 line1_offset = 0;
 579                         } else {
 580                                 /* All other formats are top field first */
 581                                 dprintk(1, "%s() Creating PAL/SECAM risc\n",
 582                                         __func__);
 583                                 line0_offset = 0;
 584                                 line1_offset = buf->bpl;
 585                         }
 586                         cx23885_risc_buffer(dev->pci, &buf->risc,
 587                                         dma->sglist, line0_offset,
 588                                         line1_offset,
 589                                         buf->bpl, buf->bpl,
 590                                         buf->vb.height >> 1);
 591                         break;
 592                 case V4L2_FIELD_SEQ_TB:
 593                         cx23885_risc_buffer(dev->pci, &buf->risc,
 594                                          dma->sglist,
 595                                          0, buf->bpl * (buf->vb.height >> 1),
 596                                          buf->bpl, 0,
 597                                          buf->vb.height >> 1);
 598                         break;
 599                 case V4L2_FIELD_SEQ_BT:
 600                         cx23885_risc_buffer(dev->pci, &buf->risc,
 601                                          dma->sglist,
 602                                          buf->bpl * (buf->vb.height >> 1), 0,
 603                                          buf->bpl, 0,
 604                                          buf->vb.height >> 1);
 605                         break;
 606                 default:
 607                         BUG();
 608                 }
 609         }
 610         dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
 611                 buf, buf->vb.i,
 612                 fh->width, fh->height, fh->fmt->depth, fh->fmt->name,
 613                 (unsigned long)buf->risc.dma);
 614
 615         buf->vb.state = VIDEOBUF_PREPARED;
 616         return 0;
 617
 618  fail:
 619         cx23885_free_buffer(q, buf);
 620         return rc;
 621 }
 622
 623 static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
 624 {
 625         struct cx23885_buffer   *buf = container_of(vb,
 626                 struct cx23885_buffer, vb);
 627         struct cx23885_buffer   *prev;
 628         struct cx23885_fh       *fh   = vq->priv_data;
 629         struct cx23885_dev      *dev  = fh->dev;
 630         struct cx23885_dmaqueue *q    = &dev->vidq;
 631
 632         /* add jump to stopper */
 633         buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
 634         buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
 635         buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
 636
 637         if (!list_empty(&q->queued)) {
 638                 list_add_tail(&buf->vb.queue, &q->queued);
 639                 buf->vb.state = VIDEOBUF_QUEUED;
 640                 dprintk(2, "[%p/%d] buffer_queue - append to queued\n",
 641                         buf, buf->vb.i);
 642
 643         } else if (list_empty(&q->active)) {
 644                 list_add_tail(&buf->vb.queue, &q->active);
 645                 cx23885_start_video_dma(dev, q, buf);
 646                 buf->vb.state = VIDEOBUF_ACTIVE;
 647                 buf->count    = q->count++;
 648                 mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
 649                 dprintk(2, "[%p/%d] buffer_queue - first active\n",
 650                         buf, buf->vb.i);
 651
 652         } else {
 653                 prev = list_entry(q->active.prev, struct cx23885_buffer,
 654                         vb.queue);
 655                 if (prev->vb.width  == buf->vb.width  &&
 656                     prev->vb.height == buf->vb.height &&
 657                     prev->fmt       == buf->fmt) {
 658                         list_add_tail(&buf->vb.queue, &q->active);
 659                         buf->vb.state = VIDEOBUF_ACTIVE;
 660                         buf->count    = q->count++;
 661                         prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
 662                         /* 64 bit bits 63-32 */
 663                         prev->risc.jmp[2] = cpu_to_le32(0);
 664                         dprintk(2, "[%p/%d] buffer_queue - append to active\n",
 665                                 buf, buf->vb.i);
 666
 667                 } else {
 668                         list_add_tail(&buf->vb.queue, &q->queued);
 669                         buf->vb.state = VIDEOBUF_QUEUED;
 670                         dprintk(2, "[%p/%d] buffer_queue - first queued\n",
 671                                 buf, buf->vb.i);
 672                 }
 673         }
 674 }
 675
 676 static void buffer_release(struct videobuf_queue *q,
 677         struct videobuf_buffer *vb)
 678 {
 679         struct cx23885_buffer *buf = container_of(vb,
 680                 struct cx23885_buffer, vb);
 681
 682         cx23885_free_buffer(q, buf);
 683 }
 684
 685 static struct videobuf_queue_ops cx23885_video_qops = {
 686         .buf_setup    = buffer_setup,
 687         .buf_prepare  = buffer_prepare,
 688         .buf_queue    = buffer_queue,
 689         .buf_release  = buffer_release,
 690 };
 691
 692 static struct videobuf_queue *get_queue(struct cx23885_fh *fh)
 693 {
 694         switch (fh->type) {
 695         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 696                 return &fh->vidq;
 697         case V4L2_BUF_TYPE_VBI_CAPTURE:
 698                 return &fh->vbiq;
 699         default:
 700                 BUG();
 701                 return NULL;
 702         }
 703 }
 704
 705 static int get_resource(struct cx23885_fh *fh)
 706 {
 707         switch (fh->type) {
 708         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 709                 return RESOURCE_VIDEO;
 710         case V4L2_BUF_TYPE_VBI_CAPTURE:
 711                 return RESOURCE_VBI;
 712         default:
 713                 BUG();
 714                 return 0;
 715         }
 716 }
 717
 718 static int video_open(struct file *file)
 719 {
 720         struct video_device *vdev = video_devdata(file);
 721         struct cx23885_dev *dev = video_drvdata(file);
 722         struct cx23885_fh *fh;
 723         enum v4l2_buf_type type = 0;
 724         int radio = 0;
 725
 726         switch (vdev->vfl_type) {
 727         case VFL_TYPE_GRABBER:
 728                 type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 729                 break;
 730         case VFL_TYPE_VBI:
 731                 type = V4L2_BUF_TYPE_VBI_CAPTURE;
 732                 break;
 733         case VFL_TYPE_RADIO:
 734                 radio = 1;
 735                 break;
 736         }
 737
 738         dprintk(1, "open dev=%s radio=%d type=%s\n",
 739                 video_device_node_name(vdev), radio, v4l2_type_names[type]);
 740
 741         /* allocate + initialize per filehandle data */
 742         fh = kzalloc(sizeof(*fh), GFP_KERNEL);
 743         if (NULL == fh)
 744                 return -ENOMEM;
 745
 746         lock_kernel();
 747
 748         file->private_data = fh;
 749         fh->dev      = dev;
 750         fh->radio    = radio;
 751         fh->type     = type;
 752         fh->width    = 320;
 753         fh->height   = 240;
 754         fh->fmt      = format_by_fourcc(V4L2_PIX_FMT_BGR24);
 755
 756         videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops,
 757                             &dev->pci->dev, &dev->slock,
 758                             V4L2_BUF_TYPE_VIDEO_CAPTURE,
 759                             V4L2_FIELD_INTERLACED,
 760                             sizeof(struct cx23885_buffer),
 761                             fh, NULL);
 762
 763         dprintk(1, "post videobuf_queue_init()\n");
 764
 765         unlock_kernel();
 766
 767         return 0;
 768 }
 769
 770 static ssize_t video_read(struct file *file, char __user *data,
 771         size_t count, loff_t *ppos)
 772 {
 773         struct cx23885_fh *fh = file->private_data;
 774
 775         switch (fh->type) {
 776         case V4L2_BUF_TYPE_VIDEO_CAPTURE:
 777                 if (res_locked(fh->dev, RESOURCE_VIDEO))
 778                         return -EBUSY;
 779                 return videobuf_read_one(&fh->vidq, data, count, ppos,
 780                                          file->f_flags & O_NONBLOCK);
 781         case V4L2_BUF_TYPE_VBI_CAPTURE:
 782                 if (!res_get(fh->dev, fh, RESOURCE_VBI))
 783                         return -EBUSY;
 784                 return videobuf_read_stream(&fh->vbiq, data, count, ppos, 1,
 785                                             file->f_flags & O_NONBLOCK);
 786         default:
 787                 BUG();
 788                 return 0;
 789         }
 790 }
 791
 792 static unsigned int video_poll(struct file *file,
 793         struct poll_table_struct *wait)
 794 {
 795         struct cx23885_fh *fh = file->private_data;
 796         struct cx23885_buffer *buf;
 797         unsigned int rc = POLLERR;
 798
 799         if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
 800                 if (!res_get(fh->dev, fh, RESOURCE_VBI))
 801                         return POLLERR;
 802                 return videobuf_poll_stream(file, &fh->vbiq, wait);
 803         }
 804
 805         mutex_lock(&fh->vidq.vb_lock);
 806         if (res_check(fh, RESOURCE_VIDEO)) {
 807                 /* streaming capture */
 808                 if (list_empty(&fh->vidq.stream))
 809                         goto done;
 810                 buf = list_entry(fh->vidq.stream.next,
 811                         struct cx23885_buffer, vb.stream);
 812         } else {
 813                 /* read() capture */
 814                 buf = (struct cx23885_buffer *)fh->vidq.read_buf;
 815                 if (NULL == buf)
 816                         goto done;
 817         }
 818         poll_wait(file, &buf->vb.done, wait);
 819         if (buf->vb.state == VIDEOBUF_DONE ||
 820             buf->vb.state == VIDEOBUF_ERROR)
 821                 rc =  POLLIN|POLLRDNORM;
 822         else
 823                 rc = 0;
 824 done:
 825         mutex_unlock(&fh->vidq.vb_lock);
 826         return rc;
 827 }
 828
 829 static int video_release(struct file *file)
 830 {
 831         struct cx23885_fh *fh = file->private_data;
 832         struct cx23885_dev *dev = fh->dev;
 833
 834         /* turn off overlay */
 835         if (res_check(fh, RESOURCE_OVERLAY)) {
 836                 /* FIXME */
 837                 res_free(dev, fh, RESOURCE_OVERLAY);
 838         }
 839
 840         /* stop video capture */
 841         if (res_check(fh, RESOURCE_VIDEO)) {
 842                 videobuf_queue_cancel(&fh->vidq);
 843                 res_free(dev, fh, RESOURCE_VIDEO);
 844         }
 845         if (fh->vidq.read_buf) {
 846                 buffer_release(&fh->vidq, fh->vidq.read_buf);
 847                 kfree(fh->vidq.read_buf);
 848         }
 849
 850         /* stop vbi capture */
 851         if (res_check(fh, RESOURCE_VBI)) {
 852                 if (fh->vbiq.streaming)
 853                         videobuf_streamoff(&fh->vbiq);
 854                 if (fh->vbiq.reading)
 855                         videobuf_read_stop(&fh->vbiq);
 856                 res_free(dev, fh, RESOURCE_VBI);
 857         }
 858
 859         videobuf_mmap_free(&fh->vidq);
 860         file->private_data = NULL;
 861         kfree(fh);
 862
 863         /* We are not putting the tuner to sleep here on exit, because
 864          * we want to use the mpeg encoder in another session to capture
 865          * tuner video. Closing this will result in no video to the encoder.
 866          */
 867
 868         return 0;
 869 }
 870
 871 static int video_mmap(struct file *file, struct vm_area_struct *vma)
 872 {
 873         struct cx23885_fh *fh = file->private_data;
 874
 875         return videobuf_mmap_mapper(get_queue(fh), vma);
 876 }
 877
 878 /* ------------------------------------------------------------------ */
 879 /* VIDEO CTRL IOCTLS                                                  */
 880
 881 static int cx23885_get_control(struct cx23885_dev *dev,
 882         struct v4l2_control *ctl)
 883 {
 884         dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__);
 885         call_all(dev, core, g_ctrl, ctl);
 886         return 0;
 887 }
 888
 889 static int cx23885_set_control(struct cx23885_dev *dev,
 890         struct v4l2_control *ctl)
 891 {
 892         dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)"
 893                 " (disabled - no action)\n", __func__);
 894         return 0;
 895 }
 896
 897 static void init_controls(struct cx23885_dev *dev)
 898 {
 899         struct v4l2_control ctrl;
 900         int i;
 901
 902         for (i = 0; i < CX23885_CTLS; i++) {
 903                 ctrl.id = cx23885_ctls[i].v.id;
 904                 ctrl.value = cx23885_ctls[i].v.default_value;
 905
 906                 cx23885_set_control(dev, &ctrl);
 907         }
 908 }
 909
 910 /* ------------------------------------------------------------------ */
 911 /* VIDEO IOCTLS                                                       */
 912
 913 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 914         struct v4l2_format *f)
 915 {
 916         struct cx23885_fh *fh   = priv;
 917
 918         f->fmt.pix.width        = fh->width;
 919         f->fmt.pix.height       = fh->height;
 920         f->fmt.pix.field        = fh->vidq.field;
 921         f->fmt.pix.pixelformat  = fh->fmt->fourcc;
 922         f->fmt.pix.bytesperline =
 923                 (f->fmt.pix.width * fh->fmt->depth) >> 3;
 924         f->fmt.pix.sizeimage =
 925                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 926
 927         return 0;
 928 }
 929
 930 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 931         struct v4l2_format *f)
 932 {
 933         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
 934         struct cx23885_fmt *fmt;
 935         enum v4l2_field   field;
 936         unsigned int      maxw, maxh;
 937
 938         fmt = format_by_fourcc(f->fmt.pix.pixelformat);
 939         if (NULL == fmt)
 940                 return -EINVAL;
 941
 942         field = f->fmt.pix.field;
 943         maxw  = norm_maxw(dev->tvnorm);
 944         maxh  = norm_maxh(dev->tvnorm);
 945
 946         if (V4L2_FIELD_ANY == field) {
 947                 field = (f->fmt.pix.height > maxh/2)
 948                         ? V4L2_FIELD_INTERLACED
 949                         : V4L2_FIELD_BOTTOM;
 950         }
 951
 952         switch (field) {
 953         case V4L2_FIELD_TOP:
 954         case V4L2_FIELD_BOTTOM:
 955                 maxh = maxh / 2;
 956                 break;
 957         case V4L2_FIELD_INTERLACED:
 958                 break;
 959         default:
 960                 return -EINVAL;
 961         }
 962
 963         f->fmt.pix.field = field;
 964         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
 965                               &f->fmt.pix.height, 32, maxh, 0, 0);
 966         f->fmt.pix.bytesperline =
 967                 (f->fmt.pix.width * fmt->depth) >> 3;
 968         f->fmt.pix.sizeimage =
 969                 f->fmt.pix.height * f->fmt.pix.bytesperline;
 970
 971         return 0;
 972 }
 973
 974 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 975         struct v4l2_format *f)
 976 {
 977         struct cx23885_fh *fh = priv;
 978         struct cx23885_dev *dev  = ((struct cx23885_fh *)priv)->dev;
 979         struct v4l2_mbus_framefmt mbus_fmt;
 980         int err;
 981
 982         dprintk(2, "%s()\n", __func__);
 983         err = vidioc_try_fmt_vid_cap(file, priv, f);
 984
 985         if (0 != err)
 986                 return err;
 987         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
 988         fh->width      = f->fmt.pix.width;
 989         fh->height     = f->fmt.pix.height;
 990         fh->vidq.field = f->fmt.pix.field;
 991         dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
 992                 fh->width, fh->height, fh->vidq.field);
 993         v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED);
 994         call_all(dev, video, s_mbus_fmt, &mbus_fmt);
 995         v4l2_fill_pix_format(&f->fmt.pix, &mbus_fmt);
 996         return 0;
 997 }
 998
 999 static int vidioc_querycap(struct file *file, void  *priv,
1000         struct v4l2_capability *cap)
1001 {
1002         struct cx23885_dev *dev  = ((struct cx23885_fh *)priv)->dev;
1003
1004         strcpy(cap->driver, "cx23885");
1005         strlcpy(cap->card, cx23885_boards[dev->board].name,
1006                 sizeof(cap->card));
1007         sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
1008         cap->version = CX23885_VERSION_CODE;
1009         cap->capabilities =
1010                 V4L2_CAP_VIDEO_CAPTURE |
1011                 V4L2_CAP_READWRITE     |
1012                 V4L2_CAP_STREAMING     |
1013                 V4L2_CAP_VBI_CAPTURE;
1014         if (UNSET != dev->tuner_type)
1015                 cap->capabilities |= V4L2_CAP_TUNER;
1016         return 0;
1017 }
1018
1019 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
1020         struct v4l2_fmtdesc *f)
1021 {
1022         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1023                 return -EINVAL;
1024
1025         strlcpy(f->description, formats[f->index].name,
1026                 sizeof(f->description));
1027         f->pixelformat = formats[f->index].fourcc;
1028
1029         return 0;
1030 }
1031
1032 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1033 static int vidiocgmbuf(struct file *file, void *priv,
1034         struct video_mbuf *mbuf)
1035 {
1036         struct cx23885_fh *fh = priv;
1037         struct videobuf_queue *q;
1038         struct v4l2_requestbuffers req;
1039         unsigned int i;
1040         int err;
1041
1042         q = get_queue(fh);
1043         memset(&req, 0, sizeof(req));
1044         req.type   = q->type;
1045         req.count  = 8;
1046         req.memory = V4L2_MEMORY_MMAP;
1047         err = videobuf_reqbufs(q, &req);
1048         if (err < 0)
1049                 return err;
1050
1051         mbuf->frames = req.count;
1052         mbuf->size   = 0;
1053         for (i = 0; i < mbuf->frames; i++) {
1054                 mbuf->offsets[i]  = q->bufs[i]->boff;
1055                 mbuf->size       += q->bufs[i]->bsize;
1056         }
1057         return 0;
1058 }
1059 #endif
1060
1061 static int vidioc_reqbufs(struct file *file, void *priv,
1062         struct v4l2_requestbuffers *p)
1063 {
1064         struct cx23885_fh *fh = priv;
1065         return videobuf_reqbufs(get_queue(fh), p);
1066 }
1067
1068 static int vidioc_querybuf(struct file *file, void *priv,
1069         struct v4l2_buffer *p)
1070 {
1071         struct cx23885_fh *fh = priv;
1072         return videobuf_querybuf(get_queue(fh), p);
1073 }
1074
1075 static int vidioc_qbuf(struct file *file, void *priv,
1076         struct v4l2_buffer *p)
1077 {
1078         struct cx23885_fh *fh = priv;
1079         return videobuf_qbuf(get_queue(fh), p);
1080 }
1081
1082 static int vidioc_dqbuf(struct file *file, void *priv,
1083         struct v4l2_buffer *p)
1084 {
1085         struct cx23885_fh *fh = priv;
1086         return videobuf_dqbuf(get_queue(fh), p,
1087                                 file->f_flags & O_NONBLOCK);
1088 }
1089
1090 static int vidioc_streamon(struct file *file, void *priv,
1091         enum v4l2_buf_type i)
1092 {
1093         struct cx23885_fh *fh = priv;
1094         struct cx23885_dev *dev = fh->dev;
1095         dprintk(1, "%s()\n", __func__);
1096
1097         if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1098                 return -EINVAL;
1099         if (unlikely(i != fh->type))
1100                 return -EINVAL;
1101
1102         if (unlikely(!res_get(dev, fh, get_resource(fh))))
1103                 return -EBUSY;
1104         return videobuf_streamon(get_queue(fh));
1105 }
1106
1107 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1108 {
1109         struct cx23885_fh *fh = priv;
1110         struct cx23885_dev *dev = fh->dev;
1111         int err, res;
1112         dprintk(1, "%s()\n", __func__);
1113
1114         if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1115                 return -EINVAL;
1116         if (i != fh->type)
1117                 return -EINVAL;
1118
1119         res = get_resource(fh);
1120         err = videobuf_streamoff(get_queue(fh));
1121         if (err < 0)
1122                 return err;
1123         res_free(dev, fh, res);
1124         return 0;
1125 }
1126
1127 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
1128 {
1129         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1130         dprintk(1, "%s()\n", __func__);
1131
1132         mutex_lock(&dev->lock);
1133         cx23885_set_tvnorm(dev, *tvnorms);
1134         mutex_unlock(&dev->lock);
1135
1136         return 0;
1137 }
1138
1139 static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
1140 {
1141         static const char *iname[] = {
1142                 [CX23885_VMUX_COMPOSITE1] = "Composite1",
1143                 [CX23885_VMUX_COMPOSITE2] = "Composite2",
1144                 [CX23885_VMUX_COMPOSITE3] = "Composite3",
1145                 [CX23885_VMUX_COMPOSITE4] = "Composite4",
1146                 [CX23885_VMUX_SVIDEO]     = "S-Video",
1147                 [CX23885_VMUX_COMPONENT]  = "Component",
1148                 [CX23885_VMUX_TELEVISION] = "Television",
1149                 [CX23885_VMUX_CABLE]      = "Cable TV",
1150                 [CX23885_VMUX_DVB]        = "DVB",
1151                 [CX23885_VMUX_DEBUG]      = "for debug only",
1152         };
1153         unsigned int n;
1154         dprintk(1, "%s()\n", __func__);
1155
1156         n = i->index;
1157         if (n >= 4)
1158                 return -EINVAL;
1159
1160         if (0 == INPUT(n)->type)
1161                 return -EINVAL;
1162
1163         memset(i, 0, sizeof(*i));
1164         i->index = n;
1165         i->type  = V4L2_INPUT_TYPE_CAMERA;
1166         strcpy(i->name, iname[INPUT(n)->type]);
1167         if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
1168                 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
1169                 i->type = V4L2_INPUT_TYPE_TUNER;
1170                 i->std = CX23885_NORMS;
1171         }
1172         return 0;
1173 }
1174
1175 static int vidioc_enum_input(struct file *file, void *priv,
1176                                 struct v4l2_input *i)
1177 {
1178         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1179         dprintk(1, "%s()\n", __func__);
1180         return cx23885_enum_input(dev, i);
1181 }
1182
1183 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1184 {
1185         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1186
1187         *i = dev->input;
1188         dprintk(1, "%s() returns %d\n", __func__, *i);
1189         return 0;
1190 }
1191
1192 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1193 {
1194         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1195
1196         dprintk(1, "%s(%d)\n", __func__, i);
1197
1198         if (i >= 4) {
1199                 dprintk(1, "%s() -EINVAL\n", __func__);
1200                 return -EINVAL;
1201         }
1202
1203         mutex_lock(&dev->lock);
1204         cx23885_video_mux(dev, i);
1205         mutex_unlock(&dev->lock);
1206         return 0;
1207 }
1208
1209 static int vidioc_log_status(struct file *file, void *priv)
1210 {
1211         struct cx23885_fh  *fh  = priv;
1212         struct cx23885_dev *dev = fh->dev;
1213
1214         printk(KERN_INFO
1215                 "%s/0: ============  START LOG STATUS  ============\n",
1216                dev->name);
1217         call_all(dev, core, log_status);
1218         printk(KERN_INFO
1219                 "%s/0: =============  END LOG STATUS  =============\n",
1220                dev->name);
1221         return 0;
1222 }
1223
1224 static int vidioc_queryctrl(struct file *file, void *priv,
1225                                 struct v4l2_queryctrl *qctrl)
1226 {
1227         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1228         if (unlikely(qctrl->id == 0))
1229                 return -EINVAL;
1230         return cx23885_ctrl_query(qctrl);
1231 }
1232
1233 static int vidioc_g_ctrl(struct file *file, void *priv,
1234                                 struct v4l2_control *ctl)
1235 {
1236         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1237
1238         return cx23885_get_control(dev, ctl);
1239 }
1240
1241 static int vidioc_s_ctrl(struct file *file, void *priv,
1242                                 struct v4l2_control *ctl)
1243 {
1244         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1245
1246         return cx23885_set_control(dev, ctl);
1247 }
1248
1249 static int vidioc_g_tuner(struct file *file, void *priv,
1250                                 struct v4l2_tuner *t)
1251 {
1252         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1253
1254         if (unlikely(UNSET == dev->tuner_type))
1255                 return -EINVAL;
1256         if (0 != t->index)
1257                 return -EINVAL;
1258
1259         strcpy(t->name, "Television");
1260         t->type       = V4L2_TUNER_ANALOG_TV;
1261         t->capability = V4L2_TUNER_CAP_NORM;
1262         t->rangehigh  = 0xffffffffUL;
1263         t->signal = 0xffff ; /* LOCKED */
1264         return 0;
1265 }
1266
1267 static int vidioc_s_tuner(struct file *file, void *priv,
1268                                 struct v4l2_tuner *t)
1269 {
1270         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1271
1272         if (UNSET == dev->tuner_type)
1273                 return -EINVAL;
1274         if (0 != t->index)
1275                 return -EINVAL;
1276         return 0;
1277 }
1278
1279 static int vidioc_g_frequency(struct file *file, void *priv,
1280                                 struct v4l2_frequency *f)
1281 {
1282         struct cx23885_fh *fh = priv;
1283         struct cx23885_dev *dev = fh->dev;
1284
1285         if (unlikely(UNSET == dev->tuner_type))
1286                 return -EINVAL;
1287
1288         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1289         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1290         f->frequency = dev->freq;
1291
1292         call_all(dev, tuner, g_frequency, f);
1293
1294         return 0;
1295 }
1296
1297 static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
1298 {
1299         if (unlikely(UNSET == dev->tuner_type))
1300                 return -EINVAL;
1301         if (unlikely(f->tuner != 0))
1302                 return -EINVAL;
1303
1304         mutex_lock(&dev->lock);
1305         dev->freq = f->frequency;
1306
1307         call_all(dev, tuner, s_frequency, f);
1308
1309         /* When changing channels it is required to reset TVAUDIO */
1310         msleep(10);
1311
1312         mutex_unlock(&dev->lock);
1313
1314         return 0;
1315 }
1316
1317 static int vidioc_s_frequency(struct file *file, void *priv,
1318                                 struct v4l2_frequency *f)
1319 {
1320         struct cx23885_fh *fh = priv;
1321         struct cx23885_dev *dev = fh->dev;
1322
1323         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1324                 return -EINVAL;
1325         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1326                 return -EINVAL;
1327
1328         return
1329                 cx23885_set_freq(dev, f);
1330 }
1331
1332 /* ----------------------------------------------------------- */
1333
1334 static void cx23885_vid_timeout(unsigned long data)
1335 {
1336         struct cx23885_dev *dev = (struct cx23885_dev *)data;
1337         struct cx23885_dmaqueue *q = &dev->vidq;
1338         struct cx23885_buffer *buf;
1339         unsigned long flags;
1340
1341         cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]);
1342
1343         cx_clear(VID_A_DMA_CTL, 0x11);
1344
1345         spin_lock_irqsave(&dev->slock, flags);
1346         while (!list_empty(&q->active)) {
1347                 buf = list_entry(q->active.next,
1348                         struct cx23885_buffer, vb.queue);
1349                 list_del(&buf->vb.queue);
1350                 buf->vb.state = VIDEOBUF_ERROR;
1351                 wake_up(&buf->vb.done);
1352                 printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n",
1353                         dev->name, buf, buf->vb.i,
1354                         (unsigned long)buf->risc.dma);
1355         }
1356         cx23885_restart_video_queue(dev, q);
1357         spin_unlock_irqrestore(&dev->slock, flags);
1358 }
1359
1360 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1361 {
1362         u32 mask, count;
1363         int handled = 0;
1364
1365         mask   = cx_read(VID_A_INT_MSK);
1366         if (0 == (status & mask))
1367                 return handled;
1368         cx_write(VID_A_INT_STAT, status);
1369
1370         dprintk(2, "%s() status = 0x%08x\n", __func__, status);
1371         /* risc op code error */
1372         if (status & (1 << 16)) {
1373                 printk(KERN_WARNING "%s/0: video risc op code error\n",
1374                         dev->name);
1375                 cx_clear(VID_A_DMA_CTL, 0x11);
1376                 cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]);
1377         }
1378
1379         /* risc1 y */
1380         if (status & 0x01) {
1381                 spin_lock(&dev->slock);
1382                 count = cx_read(VID_A_GPCNT);
1383                 cx23885_video_wakeup(dev, &dev->vidq, count);
1384                 spin_unlock(&dev->slock);
1385                 handled++;
1386         }
1387         /* risc2 y */
1388         if (status & 0x10) {
1389                 dprintk(2, "stopper video\n");
1390                 spin_lock(&dev->slock);
1391                 cx23885_restart_video_queue(dev, &dev->vidq);
1392                 spin_unlock(&dev->slock);
1393                 handled++;
1394         }
1395
1396         return handled;
1397 }
1398
1399 /* ----------------------------------------------------------- */
1400 /* exported stuff                                              */
1401
1402 static const struct v4l2_file_operations video_fops = {
1403         .owner         = THIS_MODULE,
1404         .open          = video_open,
1405         .release       = video_release,
1406         .read          = video_read,
1407         .poll          = video_poll,
1408         .mmap          = video_mmap,
1409         .ioctl         = video_ioctl2,
1410 };
1411
1412 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1413         .vidioc_querycap      = vidioc_querycap,
1414         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1415         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1416         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1417         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1418         .vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1419         .vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1420         .vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1421         .vidioc_reqbufs       = vidioc_reqbufs,
1422         .vidioc_querybuf      = vidioc_querybuf,
1423         .vidioc_qbuf          = vidioc_qbuf,
1424         .vidioc_dqbuf         = vidioc_dqbuf,
1425         .vidioc_s_std         = vidioc_s_std,
1426         .vidioc_enum_input    = vidioc_enum_input,
1427         .vidioc_g_input       = vidioc_g_input,
1428         .vidioc_s_input       = vidioc_s_input,
1429         .vidioc_log_status    = vidioc_log_status,
1430         .vidioc_queryctrl     = vidioc_queryctrl,
1431         .vidioc_g_ctrl        = vidioc_g_ctrl,
1432         .vidioc_s_ctrl        = vidioc_s_ctrl,
1433         .vidioc_streamon      = vidioc_streamon,
1434         .vidioc_streamoff     = vidioc_streamoff,
1435 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1436         .vidiocgmbuf          = vidiocgmbuf,
1437 #endif
1438         .vidioc_g_tuner       = vidioc_g_tuner,
1439         .vidioc_s_tuner       = vidioc_s_tuner,
1440         .vidioc_g_frequency   = vidioc_g_frequency,
1441         .vidioc_s_frequency   = vidioc_s_frequency,
1442         .vidioc_g_chip_ident  = cx23885_g_chip_ident,
1443 #ifdef CONFIG_VIDEO_ADV_DEBUG
1444         .vidioc_g_register    = cx23885_g_register,
1445         .vidioc_s_register    = cx23885_s_register,
1446 #endif
1447 };
1448
1449 static struct video_device cx23885_vbi_template;
1450 static struct video_device cx23885_video_template = {
1451         .name                 = "cx23885-video",
1452         .fops                 = &video_fops,
1453         .ioctl_ops            = &video_ioctl_ops,
1454         .tvnorms              = CX23885_NORMS,
1455         .current_norm         = V4L2_STD_NTSC_M,
1456 };
1457
1458 static const struct v4l2_file_operations radio_fops = {
1459         .owner         = THIS_MODULE,
1460         .open          = video_open,
1461         .release       = video_release,
1462         .ioctl         = video_ioctl2,
1463 };
1464
1465
1466 void cx23885_video_unregister(struct cx23885_dev *dev)
1467 {
1468         dprintk(1, "%s()\n", __func__);
1469         cx23885_irq_remove(dev, 0x01);
1470
1471         if (dev->video_dev) {
1472                 if (video_is_registered(dev->video_dev))
1473                         video_unregister_device(dev->video_dev);
1474                 else
1475                         video_device_release(dev->video_dev);
1476                 dev->video_dev = NULL;
1477
1478                 btcx_riscmem_free(dev->pci, &dev->vidq.stopper);
1479         }
1480 }
1481
1482 int cx23885_video_register(struct cx23885_dev *dev)
1483 {
1484         int err;
1485
1486         dprintk(1, "%s()\n", __func__);
1487         spin_lock_init(&dev->slock);
1488
1489         /* Initialize VBI template */
1490         memcpy(&cx23885_vbi_template, &cx23885_video_template,
1491                 sizeof(cx23885_vbi_template));
1492         strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1493
1494         dev->tvnorm = cx23885_video_template.current_norm;
1495
1496         /* init video dma queues */
1497         INIT_LIST_HEAD(&dev->vidq.active);
1498         INIT_LIST_HEAD(&dev->vidq.queued);
1499         dev->vidq.timeout.function = cx23885_vid_timeout;
1500         dev->vidq.timeout.data = (unsigned long)dev;
1501         init_timer(&dev->vidq.timeout);
1502         cx23885_risc_stopper(dev->pci, &dev->vidq.stopper,
1503                 VID_A_DMA_CTL, 0x11, 0x00);
1504
1505         /* Don't enable VBI yet */
1506
1507         cx23885_irq_add_enable(dev, 0x01);
1508
1509         if (TUNER_ABSENT != dev->tuner_type) {
1510                 struct v4l2_subdev *sd = NULL;
1511
1512                 if (dev->tuner_addr)
1513                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1514                                 &dev->i2c_bus[1].i2c_adap,
1515                                 NULL, "tuner", dev->tuner_addr, NULL);
1516                 else
1517                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1518                                 &dev->i2c_bus[1].i2c_adap, NULL,
1519                                 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1520                 if (sd) {
1521                         struct tuner_setup tun_setup;
1522
1523                         memset(&tun_setup, 0, sizeof(tun_setup));
1524                         tun_setup.mode_mask = T_ANALOG_TV;
1525                         tun_setup.type = dev->tuner_type;
1526                         tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1527                         tun_setup.tuner_callback = cx23885_tuner_callback;
1528
1529                         v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1530
1531                         if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) {
1532                                 struct xc2028_ctrl ctrl = {
1533                                         .fname = XC2028_DEFAULT_FIRMWARE,
1534                                         .max_len = 64
1535                                 };
1536                                 struct v4l2_priv_tun_config cfg = {
1537                                         .tuner = dev->tuner_type,
1538                                         .priv = &ctrl
1539                                 };
1540                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1541                         }
1542                 }
1543         }
1544
1545
1546         /* register v4l devices */
1547         dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1548                 &cx23885_video_template, "video");
1549         err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1550                                     video_nr[dev->nr]);
1551         if (err < 0) {
1552                 printk(KERN_INFO "%s: can't register video device\n",
1553                         dev->name);
1554                 goto fail_unreg;
1555         }
1556         printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1557                dev->name, video_device_node_name(dev->video_dev));
1558         /* initial device configuration */
1559         mutex_lock(&dev->lock);
1560         cx23885_set_tvnorm(dev, dev->tvnorm);
1561         init_controls(dev);
1562         cx23885_video_mux(dev, 0);
1563         mutex_unlock(&dev->lock);
1564
1565         return 0;
1566
1567 fail_unreg:
1568         cx23885_video_unregister(dev);
1569         return err;
1570 }
1571