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         cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | 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);
 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         int err;
 980
 981         dprintk(2, "%s()\n", __func__);
 982         err = vidioc_try_fmt_vid_cap(file, priv, f);
 983
 984         if (0 != err)
 985                 return err;
 986         fh->fmt        = format_by_fourcc(f->fmt.pix.pixelformat);
 987         fh->width      = f->fmt.pix.width;
 988         fh->height     = f->fmt.pix.height;
 989         fh->vidq.field = f->fmt.pix.field;
 990         dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
 991                 fh->width, fh->height, fh->vidq.field);
 992         call_all(dev, video, s_fmt, f);
 993         return 0;
 994 }
 995
 996 static int vidioc_querycap(struct file *file, void  *priv,
 997         struct v4l2_capability *cap)
 998 {
 999         struct cx23885_dev *dev  = ((struct cx23885_fh *)priv)->dev;
1000
1001         strcpy(cap->driver, "cx23885");
1002         strlcpy(cap->card, cx23885_boards[dev->board].name,
1003                 sizeof(cap->card));
1004         sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
1005         cap->version = CX23885_VERSION_CODE;
1006         cap->capabilities =
1007                 V4L2_CAP_VIDEO_CAPTURE |
1008                 V4L2_CAP_READWRITE     |
1009                 V4L2_CAP_STREAMING     |
1010                 V4L2_CAP_VBI_CAPTURE;
1011         if (UNSET != dev->tuner_type)
1012                 cap->capabilities |= V4L2_CAP_TUNER;
1013         return 0;
1014 }
1015
1016 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
1017         struct v4l2_fmtdesc *f)
1018 {
1019         if (unlikely(f->index >= ARRAY_SIZE(formats)))
1020                 return -EINVAL;
1021
1022         strlcpy(f->description, formats[f->index].name,
1023                 sizeof(f->description));
1024         f->pixelformat = formats[f->index].fourcc;
1025
1026         return 0;
1027 }
1028
1029 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1030 static int vidiocgmbuf(struct file *file, void *priv,
1031         struct video_mbuf *mbuf)
1032 {
1033         struct cx23885_fh *fh = priv;
1034         struct videobuf_queue *q;
1035         struct v4l2_requestbuffers req;
1036         unsigned int i;
1037         int err;
1038
1039         q = get_queue(fh);
1040         memset(&req, 0, sizeof(req));
1041         req.type   = q->type;
1042         req.count  = 8;
1043         req.memory = V4L2_MEMORY_MMAP;
1044         err = videobuf_reqbufs(q, &req);
1045         if (err < 0)
1046                 return err;
1047
1048         mbuf->frames = req.count;
1049         mbuf->size   = 0;
1050         for (i = 0; i < mbuf->frames; i++) {
1051                 mbuf->offsets[i]  = q->bufs[i]->boff;
1052                 mbuf->size       += q->bufs[i]->bsize;
1053         }
1054         return 0;
1055 }
1056 #endif
1057
1058 static int vidioc_reqbufs(struct file *file, void *priv,
1059         struct v4l2_requestbuffers *p)
1060 {
1061         struct cx23885_fh *fh = priv;
1062         return videobuf_reqbufs(get_queue(fh), p);
1063 }
1064
1065 static int vidioc_querybuf(struct file *file, void *priv,
1066         struct v4l2_buffer *p)
1067 {
1068         struct cx23885_fh *fh = priv;
1069         return videobuf_querybuf(get_queue(fh), p);
1070 }
1071
1072 static int vidioc_qbuf(struct file *file, void *priv,
1073         struct v4l2_buffer *p)
1074 {
1075         struct cx23885_fh *fh = priv;
1076         return videobuf_qbuf(get_queue(fh), p);
1077 }
1078
1079 static int vidioc_dqbuf(struct file *file, void *priv,
1080         struct v4l2_buffer *p)
1081 {
1082         struct cx23885_fh *fh = priv;
1083         return videobuf_dqbuf(get_queue(fh), p,
1084                                 file->f_flags & O_NONBLOCK);
1085 }
1086
1087 static int vidioc_streamon(struct file *file, void *priv,
1088         enum v4l2_buf_type i)
1089 {
1090         struct cx23885_fh *fh = priv;
1091         struct cx23885_dev *dev = fh->dev;
1092         dprintk(1, "%s()\n", __func__);
1093
1094         if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE))
1095                 return -EINVAL;
1096         if (unlikely(i != fh->type))
1097                 return -EINVAL;
1098
1099         if (unlikely(!res_get(dev, fh, get_resource(fh))))
1100                 return -EBUSY;
1101         return videobuf_streamon(get_queue(fh));
1102 }
1103
1104 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1105 {
1106         struct cx23885_fh *fh = priv;
1107         struct cx23885_dev *dev = fh->dev;
1108         int err, res;
1109         dprintk(1, "%s()\n", __func__);
1110
1111         if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1112                 return -EINVAL;
1113         if (i != fh->type)
1114                 return -EINVAL;
1115
1116         res = get_resource(fh);
1117         err = videobuf_streamoff(get_queue(fh));
1118         if (err < 0)
1119                 return err;
1120         res_free(dev, fh, res);
1121         return 0;
1122 }
1123
1124 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
1125 {
1126         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1127         dprintk(1, "%s()\n", __func__);
1128
1129         mutex_lock(&dev->lock);
1130         cx23885_set_tvnorm(dev, *tvnorms);
1131         mutex_unlock(&dev->lock);
1132
1133         return 0;
1134 }
1135
1136 static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
1137 {
1138         static const char *iname[] = {
1139                 [CX23885_VMUX_COMPOSITE1] = "Composite1",
1140                 [CX23885_VMUX_COMPOSITE2] = "Composite2",
1141                 [CX23885_VMUX_COMPOSITE3] = "Composite3",
1142                 [CX23885_VMUX_COMPOSITE4] = "Composite4",
1143                 [CX23885_VMUX_SVIDEO]     = "S-Video",
1144                 [CX23885_VMUX_COMPONENT]  = "Component",
1145                 [CX23885_VMUX_TELEVISION] = "Television",
1146                 [CX23885_VMUX_CABLE]      = "Cable TV",
1147                 [CX23885_VMUX_DVB]        = "DVB",
1148                 [CX23885_VMUX_DEBUG]      = "for debug only",
1149         };
1150         unsigned int n;
1151         dprintk(1, "%s()\n", __func__);
1152
1153         n = i->index;
1154         if (n >= 4)
1155                 return -EINVAL;
1156
1157         if (0 == INPUT(n)->type)
1158                 return -EINVAL;
1159
1160         memset(i, 0, sizeof(*i));
1161         i->index = n;
1162         i->type  = V4L2_INPUT_TYPE_CAMERA;
1163         strcpy(i->name, iname[INPUT(n)->type]);
1164         if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
1165                 (CX23885_VMUX_CABLE == INPUT(n)->type))
1166                 i->type = V4L2_INPUT_TYPE_TUNER;
1167                 i->std = CX23885_NORMS;
1168         return 0;
1169 }
1170
1171 static int vidioc_enum_input(struct file *file, void *priv,
1172                                 struct v4l2_input *i)
1173 {
1174         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1175         dprintk(1, "%s()\n", __func__);
1176         return cx23885_enum_input(dev, i);
1177 }
1178
1179 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1180 {
1181         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1182
1183         *i = dev->input;
1184         dprintk(1, "%s() returns %d\n", __func__, *i);
1185         return 0;
1186 }
1187
1188 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1189 {
1190         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1191
1192         dprintk(1, "%s(%d)\n", __func__, i);
1193
1194         if (i >= 4) {
1195                 dprintk(1, "%s() -EINVAL\n", __func__);
1196                 return -EINVAL;
1197         }
1198
1199         mutex_lock(&dev->lock);
1200         cx23885_video_mux(dev, i);
1201         mutex_unlock(&dev->lock);
1202         return 0;
1203 }
1204
1205 static int vidioc_queryctrl(struct file *file, void *priv,
1206                                 struct v4l2_queryctrl *qctrl)
1207 {
1208         qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1209         if (unlikely(qctrl->id == 0))
1210                 return -EINVAL;
1211         return cx23885_ctrl_query(qctrl);
1212 }
1213
1214 static int vidioc_g_ctrl(struct file *file, void *priv,
1215                                 struct v4l2_control *ctl)
1216 {
1217         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1218
1219         return cx23885_get_control(dev, ctl);
1220 }
1221
1222 static int vidioc_s_ctrl(struct file *file, void *priv,
1223                                 struct v4l2_control *ctl)
1224 {
1225         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1226
1227         return cx23885_set_control(dev, ctl);
1228 }
1229
1230 static int vidioc_g_tuner(struct file *file, void *priv,
1231                                 struct v4l2_tuner *t)
1232 {
1233         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1234
1235         if (unlikely(UNSET == dev->tuner_type))
1236                 return -EINVAL;
1237         if (0 != t->index)
1238                 return -EINVAL;
1239
1240         strcpy(t->name, "Television");
1241         t->type       = V4L2_TUNER_ANALOG_TV;
1242         t->capability = V4L2_TUNER_CAP_NORM;
1243         t->rangehigh  = 0xffffffffUL;
1244         t->signal = 0xffff ; /* LOCKED */
1245         return 0;
1246 }
1247
1248 static int vidioc_s_tuner(struct file *file, void *priv,
1249                                 struct v4l2_tuner *t)
1250 {
1251         struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
1252
1253         if (UNSET == dev->tuner_type)
1254                 return -EINVAL;
1255         if (0 != t->index)
1256                 return -EINVAL;
1257         return 0;
1258 }
1259
1260 static int vidioc_g_frequency(struct file *file, void *priv,
1261                                 struct v4l2_frequency *f)
1262 {
1263         struct cx23885_fh *fh = priv;
1264         struct cx23885_dev *dev = fh->dev;
1265
1266         if (unlikely(UNSET == dev->tuner_type))
1267                 return -EINVAL;
1268
1269         /* f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; */
1270         f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
1271         f->frequency = dev->freq;
1272
1273         call_all(dev, tuner, g_frequency, f);
1274
1275         return 0;
1276 }
1277
1278 static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
1279 {
1280         if (unlikely(UNSET == dev->tuner_type))
1281                 return -EINVAL;
1282         if (unlikely(f->tuner != 0))
1283                 return -EINVAL;
1284
1285         mutex_lock(&dev->lock);
1286         dev->freq = f->frequency;
1287
1288         call_all(dev, tuner, s_frequency, f);
1289
1290         /* When changing channels it is required to reset TVAUDIO */
1291         msleep(10);
1292
1293         mutex_unlock(&dev->lock);
1294
1295         return 0;
1296 }
1297
1298 static int vidioc_s_frequency(struct file *file, void *priv,
1299                                 struct v4l2_frequency *f)
1300 {
1301         struct cx23885_fh *fh = priv;
1302         struct cx23885_dev *dev = fh->dev;
1303
1304         if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
1305                 return -EINVAL;
1306         if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
1307                 return -EINVAL;
1308
1309         return
1310                 cx23885_set_freq(dev, f);
1311 }
1312
1313 /* ----------------------------------------------------------- */
1314
1315 static void cx23885_vid_timeout(unsigned long data)
1316 {
1317         struct cx23885_dev *dev = (struct cx23885_dev *)data;
1318         struct cx23885_dmaqueue *q = &dev->vidq;
1319         struct cx23885_buffer *buf;
1320         unsigned long flags;
1321
1322         cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]);
1323
1324         cx_clear(VID_A_DMA_CTL, 0x11);
1325
1326         spin_lock_irqsave(&dev->slock, flags);
1327         while (!list_empty(&q->active)) {
1328                 buf = list_entry(q->active.next,
1329                         struct cx23885_buffer, vb.queue);
1330                 list_del(&buf->vb.queue);
1331                 buf->vb.state = VIDEOBUF_ERROR;
1332                 wake_up(&buf->vb.done);
1333                 printk(KERN_ERR "%s/0: [%p/%d] timeout - dma=0x%08lx\n",
1334                         dev->name, buf, buf->vb.i,
1335                         (unsigned long)buf->risc.dma);
1336         }
1337         cx23885_restart_video_queue(dev, q);
1338         spin_unlock_irqrestore(&dev->slock, flags);
1339 }
1340
1341 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1342 {
1343         u32 mask, count;
1344         int handled = 0;
1345
1346         mask   = cx_read(VID_A_INT_MSK);
1347         if (0 == (status & mask))
1348                 return handled;
1349         cx_write(VID_A_INT_STAT, status);
1350
1351         dprintk(2, "%s() status = 0x%08x\n", __func__, status);
1352         /* risc op code error */
1353         if (status & (1 << 16)) {
1354                 printk(KERN_WARNING "%s/0: video risc op code error\n",
1355                         dev->name);
1356                 cx_clear(VID_A_DMA_CTL, 0x11);
1357                 cx23885_sram_channel_dump(dev, &dev->sram_channels[SRAM_CH01]);
1358         }
1359
1360         /* risc1 y */
1361         if (status & 0x01) {
1362                 spin_lock(&dev->slock);
1363                 count = cx_read(VID_A_GPCNT);
1364                 cx23885_video_wakeup(dev, &dev->vidq, count);
1365                 spin_unlock(&dev->slock);
1366                 handled++;
1367         }
1368         /* risc2 y */
1369         if (status & 0x10) {
1370                 dprintk(2, "stopper video\n");
1371                 spin_lock(&dev->slock);
1372                 cx23885_restart_video_queue(dev, &dev->vidq);
1373                 spin_unlock(&dev->slock);
1374                 handled++;
1375         }
1376
1377         return handled;
1378 }
1379
1380 /* ----------------------------------------------------------- */
1381 /* exported stuff                                              */
1382
1383 static const struct v4l2_file_operations video_fops = {
1384         .owner         = THIS_MODULE,
1385         .open          = video_open,
1386         .release       = video_release,
1387         .read          = video_read,
1388         .poll          = video_poll,
1389         .mmap          = video_mmap,
1390         .ioctl         = video_ioctl2,
1391 };
1392
1393 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1394         .vidioc_querycap      = vidioc_querycap,
1395         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1396         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1397         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1398         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1399         .vidioc_g_fmt_vbi_cap     = cx23885_vbi_fmt,
1400         .vidioc_try_fmt_vbi_cap   = cx23885_vbi_fmt,
1401         .vidioc_s_fmt_vbi_cap     = cx23885_vbi_fmt,
1402         .vidioc_reqbufs       = vidioc_reqbufs,
1403         .vidioc_querybuf      = vidioc_querybuf,
1404         .vidioc_qbuf          = vidioc_qbuf,
1405         .vidioc_dqbuf         = vidioc_dqbuf,
1406         .vidioc_s_std         = vidioc_s_std,
1407         .vidioc_enum_input    = vidioc_enum_input,
1408         .vidioc_g_input       = vidioc_g_input,
1409         .vidioc_s_input       = vidioc_s_input,
1410         .vidioc_queryctrl     = vidioc_queryctrl,
1411         .vidioc_g_ctrl        = vidioc_g_ctrl,
1412         .vidioc_s_ctrl        = vidioc_s_ctrl,
1413         .vidioc_streamon      = vidioc_streamon,
1414         .vidioc_streamoff     = vidioc_streamoff,
1415 #ifdef CONFIG_VIDEO_V4L1_COMPAT
1416         .vidiocgmbuf          = vidiocgmbuf,
1417 #endif
1418         .vidioc_g_tuner       = vidioc_g_tuner,
1419         .vidioc_s_tuner       = vidioc_s_tuner,
1420         .vidioc_g_frequency   = vidioc_g_frequency,
1421         .vidioc_s_frequency   = vidioc_s_frequency,
1422         .vidioc_g_chip_ident  = cx23885_g_chip_ident,
1423 #ifdef CONFIG_VIDEO_ADV_DEBUG
1424         .vidioc_g_register    = cx23885_g_register,
1425         .vidioc_s_register    = cx23885_s_register,
1426 #endif
1427 };
1428
1429 static struct video_device cx23885_vbi_template;
1430 static struct video_device cx23885_video_template = {
1431         .name                 = "cx23885-video",
1432         .fops                 = &video_fops,
1433         .ioctl_ops            = &video_ioctl_ops,
1434         .tvnorms              = CX23885_NORMS,
1435         .current_norm         = V4L2_STD_NTSC_M,
1436 };
1437
1438 static const struct v4l2_file_operations radio_fops = {
1439         .owner         = THIS_MODULE,
1440         .open          = video_open,
1441         .release       = video_release,
1442         .ioctl         = video_ioctl2,
1443 };
1444
1445
1446 void cx23885_video_unregister(struct cx23885_dev *dev)
1447 {
1448         dprintk(1, "%s()\n", __func__);
1449         cx_clear(PCI_INT_MSK, 1);
1450
1451         if (dev->video_dev) {
1452                 if (video_is_registered(dev->video_dev))
1453                         video_unregister_device(dev->video_dev);
1454                 else
1455                         video_device_release(dev->video_dev);
1456                 dev->video_dev = NULL;
1457
1458                 btcx_riscmem_free(dev->pci, &dev->vidq.stopper);
1459         }
1460 }
1461
1462 int cx23885_video_register(struct cx23885_dev *dev)
1463 {
1464         int err;
1465
1466         dprintk(1, "%s()\n", __func__);
1467         spin_lock_init(&dev->slock);
1468
1469         /* Initialize VBI template */
1470         memcpy(&cx23885_vbi_template, &cx23885_video_template,
1471                 sizeof(cx23885_vbi_template));
1472         strcpy(cx23885_vbi_template.name, "cx23885-vbi");
1473
1474         dev->tvnorm = cx23885_video_template.current_norm;
1475
1476         /* init video dma queues */
1477         INIT_LIST_HEAD(&dev->vidq.active);
1478         INIT_LIST_HEAD(&dev->vidq.queued);
1479         dev->vidq.timeout.function = cx23885_vid_timeout;
1480         dev->vidq.timeout.data = (unsigned long)dev;
1481         init_timer(&dev->vidq.timeout);
1482         cx23885_risc_stopper(dev->pci, &dev->vidq.stopper,
1483                 VID_A_DMA_CTL, 0x11, 0x00);
1484
1485         /* Don't enable VBI yet */
1486         cx_set(PCI_INT_MSK, 1);
1487
1488         if (TUNER_ABSENT != dev->tuner_type) {
1489                 struct v4l2_subdev *sd = NULL;
1490
1491                 if (dev->tuner_addr)
1492                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1493                                 &dev->i2c_bus[1].i2c_adap,
1494                                 "tuner", "tuner", dev->tuner_addr, NULL);
1495                 else
1496                         sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1497                                 &dev->i2c_bus[1].i2c_adap,
1498                                 "tuner", "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1499                 if (sd) {
1500                         struct tuner_setup tun_setup;
1501
1502                         memset(&tun_setup, 0, sizeof(tun_setup));
1503                         tun_setup.mode_mask = T_ANALOG_TV;
1504                         tun_setup.type = dev->tuner_type;
1505                         tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1506                         tun_setup.tuner_callback = cx23885_tuner_callback;
1507
1508                         v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1509
1510                         if (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) {
1511                                 struct xc2028_ctrl ctrl = {
1512                                         .fname = XC2028_DEFAULT_FIRMWARE,
1513                                         .max_len = 64
1514                                 };
1515                                 struct v4l2_priv_tun_config cfg = {
1516                                         .tuner = dev->tuner_type,
1517                                         .priv = &ctrl
1518                                 };
1519                                 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1520                         }
1521                 }
1522         }
1523
1524
1525         /* register v4l devices */
1526         dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1527                 &cx23885_video_template, "video");
1528         err = video_register_device(dev->video_dev, VFL_TYPE_GRABBER,
1529                                     video_nr[dev->nr]);
1530         if (err < 0) {
1531                 printk(KERN_INFO "%s: can't register video device\n",
1532                         dev->name);
1533                 goto fail_unreg;
1534         }
1535         printk(KERN_INFO "%s/0: registered device %s [v4l2]\n",
1536                dev->name, video_device_node_name(dev->video_dev));
1537         /* initial device configuration */
1538         mutex_lock(&dev->lock);
1539         cx23885_set_tvnorm(dev, dev->tvnorm);
1540         init_controls(dev);
1541         cx23885_video_mux(dev, 0);
1542         mutex_unlock(&dev->lock);
1543
1544         return 0;
1545
1546 fail_unreg:
1547         cx23885_video_unregister(dev);
1548         return err;
1549 }
1550