]> git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/commitdiff
V4L/DVB (10703): zoran: convert to video_ioctl2 and remove 'ready_to_be_freed' hack.
authorHans Verkuil <hverkuil@xs4all.nl>
Wed, 18 Feb 2009 16:13:31 +0000 (13:13 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Mon, 30 Mar 2009 15:42:55 +0000 (12:42 -0300)
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/zoran/zoran.h
drivers/media/video/zoran/zoran_driver.c

index e873a916250f4dbfbca98370413eb064a9c3f81b..1bf540cb546c84f30cb64fd36b769e053a80c80f 100644 (file)
@@ -312,7 +312,6 @@ struct zoran_jpg_struct {
        struct zoran_jpg_buffer buffer[BUZ_MAX_FRAME];  /* buffers */
        int num_buffers, buffer_size;
        u8 allocated;           /* Flag if buffers are allocated  */
-       u8 ready_to_be_freed;   /* hack - see zoran_driver.c */
        u8 need_contiguous;     /* Flag if contiguous buffers are needed */
 };
 
@@ -321,7 +320,6 @@ struct zoran_v4l_struct {
        struct zoran_v4l_buffer buffer[VIDEO_MAX_FRAME];        /* buffers */
        int num_buffers, buffer_size;
        u8 allocated;           /* Flag if buffers are allocated  */
-       u8 ready_to_be_freed;   /* hack - see zoran_driver.c */
 };
 
 struct zoran;
index b81e20912fa727286bda8c21d681864d327bde10..dc6ba554597fd70308669ca3e300f942830b15d9 100644 (file)
@@ -309,11 +309,6 @@ v4l_fbuffer_alloc (struct file *file)
        unsigned char *mem;
        unsigned long pmem = 0;
 
-       /* we might have old buffers lying around... */
-       if (fh->v4l_buffers.ready_to_be_freed) {
-               v4l_fbuffer_free(file);
-       }
-
        for (i = 0; i < fh->v4l_buffers.num_buffers; i++) {
                if (fh->v4l_buffers.buffer[i].fbuffer)
                        dprintk(2,
@@ -421,7 +416,6 @@ v4l_fbuffer_free (struct file *file)
        }
 
        fh->v4l_buffers.allocated = 0;
-       fh->v4l_buffers.ready_to_be_freed = 0;
 }
 
 /*
@@ -466,11 +460,6 @@ jpg_fbuffer_alloc (struct file *file)
        int i, j, off;
        unsigned long mem;
 
-       /* we might have old buffers lying around */
-       if (fh->jpg_buffers.ready_to_be_freed) {
-               jpg_fbuffer_free(file);
-       }
-
        for (i = 0; i < fh->jpg_buffers.num_buffers; i++) {
                if (fh->jpg_buffers.buffer[i].frag_tab)
                        dprintk(2,
@@ -613,7 +602,6 @@ jpg_fbuffer_free (struct file *file)
        }
 
        fh->jpg_buffers.allocated = 0;
-       fh->jpg_buffers.ready_to_be_freed = 0;
 }
 
 /*
@@ -657,7 +645,7 @@ zoran_v4l_set_format (struct file               *file,
        if ((bpp == 2 && (width & 1)) || (bpp == 3 && (width & 3))) {
                dprintk(1,
                        KERN_ERR
-                       "%s: v4l_set_format() - wrong frame alingment\n",
+                       "%s: v4l_set_format() - wrong frame alignment\n",
                        ZR_DEVNAME(zr));
                return -EINVAL;
        }
@@ -1122,7 +1110,6 @@ zoran_open_init_session (struct file *file)
                fh->v4l_buffers.buffer[i].bs.frame = i;
        }
        fh->v4l_buffers.allocated = 0;
-       fh->v4l_buffers.ready_to_be_freed = 0;
        fh->v4l_buffers.active = ZORAN_FREE;
        fh->v4l_buffers.buffer_size = v4l_bufsize;
        fh->v4l_buffers.num_buffers = v4l_nbufs;
@@ -1138,7 +1125,6 @@ zoran_open_init_session (struct file *file)
        }
        fh->jpg_buffers.need_contiguous = zr->jpg_buffers.need_contiguous;
        fh->jpg_buffers.allocated = 0;
-       fh->jpg_buffers.ready_to_be_freed = 0;
        fh->jpg_buffers.active = ZORAN_FREE;
        fh->jpg_buffers.buffer_size = jpg_bufsize;
        fh->jpg_buffers.num_buffers = jpg_nbufs;
@@ -1172,10 +1158,8 @@ zoran_close_end_session (struct file *file)
        }
 
        /* v4l buffers */
-       if (fh->v4l_buffers.allocated ||
-           fh->v4l_buffers.ready_to_be_freed) {
+       if (fh->v4l_buffers.allocated)
                v4l_fbuffer_free(file);
-       }
 
        /* jpg capture */
        if (fh->jpg_buffers.active != ZORAN_FREE) {
@@ -1186,10 +1170,8 @@ zoran_close_end_session (struct file *file)
        }
 
        /* jpg buffers */
-       if (fh->jpg_buffers.allocated ||
-           fh->jpg_buffers.ready_to_be_freed) {
+       if (fh->jpg_buffers.allocated)
                jpg_fbuffer_free(file);
-       }
 }
 
 /*
@@ -1903,38 +1885,13 @@ zoran_set_input (struct zoran *zr,
  *   ioctl routine
  */
 
-static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
+static long zoran_default(struct file *file, void *__fh, int cmd, void *arg)
 {
-       struct zoran_fh *fh = file->private_data;
+       struct zoran_fh *fh = __fh;
        struct zoran *zr = fh->zr;
-       /* CAREFUL: used in multiple places here */
        struct zoran_jpg_settings settings;
 
-       /* we might have older buffers lying around... We don't want
-        * to wait, but we do want to try cleaning them up ASAP. So
-        * we try to obtain the lock and free them. If that fails, we
-        * don't do anything and wait for the next turn. In the end,
-        * zoran_close() or a new allocation will still free them...
-        * This is just a 'the sooner the better' extra 'feature'
-        *
-        * We don't free the buffers right on munmap() because that
-        * causes oopses (kfree() inside munmap() oopses for no
-        * apparent reason - it's also not reproduceable in any way,
-        * but moving the free code outside the munmap() handler fixes
-        * all this... If someone knows why, please explain me (Ronald)
-        */
-       if (mutex_trylock(&zr->resource_lock)) {
-               /* we obtained it! Let's try to free some things */
-               if (fh->jpg_buffers.ready_to_be_freed)
-                       jpg_fbuffer_free(file);
-               if (fh->v4l_buffers.ready_to_be_freed)
-                       v4l_fbuffer_free(file);
-
-               mutex_unlock(&zr->resource_lock);
-       }
-
        switch (cmd) {
-
        case VIDIOCGCAP:
        {
                struct video_capability *vcap = arg;
@@ -1956,7 +1913,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return 0;
        }
-               break;
 
        case VIDIOCGCHAN:
        {
@@ -1987,7 +1943,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return 0;
        }
-               break;
 
                /* RJ: the documentation at http://roadrunner.swansea.linux.org.uk/v4lapi.shtml says:
                 *
@@ -2017,11 +1972,10 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                /* Make sure the changes come into effect */
                res = wait_grab_pending(zr);
-       schan_unlock_and_return:
+schan_unlock_and_return:
                mutex_unlock(&zr->resource_lock);
                return res;
        }
-               break;
 
        case VIDIOCGPICT:
        {
@@ -2045,7 +1999,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return 0;
        }
-               break;
 
        case VIDIOCSPICT:
        {
@@ -2091,7 +2044,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return 0;
        }
-               break;
 
        case VIDIOCCAPTURE:
        {
@@ -2106,7 +2058,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return res;
        }
-               break;
 
        case VIDIOCGWIN:
        {
@@ -2124,7 +2075,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                vwin->clipcount = 0;
                return 0;
        }
-               break;
 
        case VIDIOCSWIN:
        {
@@ -2146,7 +2096,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return res;
        }
-               break;
 
        case VIDIOCGFBUF:
        {
@@ -2159,7 +2108,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                mutex_unlock(&zr->resource_lock);
                return 0;
        }
-               break;
 
        case VIDIOCSFBUF:
        {
@@ -2192,7 +2140,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return res;
        }
-               break;
 
        case VIDIOCSYNC:
        {
@@ -2208,7 +2155,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                        zr->v4l_sync_tail++;
                return res;
        }
-               break;
 
        case VIDIOCMCAPTURE:
        {
@@ -2226,7 +2172,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                mutex_unlock(&zr->resource_lock);
                return res;
        }
-               break;
 
        case VIDIOCGMBUF:
        {
@@ -2262,12 +2207,11 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                /* The next mmap will map the V4L buffers */
                fh->map_mode = ZORAN_MAP_MODE_RAW;
-       v4l1reqbuf_unlock_and_return:
+v4l1reqbuf_unlock_and_return:
                mutex_unlock(&zr->resource_lock);
 
                return res;
        }
-               break;
 
        case VIDIOCGUNIT:
        {
@@ -2283,7 +2227,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return 0;
        }
-               break;
 
                /*
                 * RJ: In principal we could support subcaptures for V4L grabbing.
@@ -2297,7 +2240,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                        ZR_DEVNAME(zr));
                return -EINVAL;
        }
-               break;
 
        case VIDIOCSCAPTURE:
        {
@@ -2305,7 +2247,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                        ZR_DEVNAME(zr));
                return -EINVAL;
        }
-               break;
 
        case BUZIOC_G_PARAMS:
        {
@@ -2352,7 +2293,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return 0;
        }
-               break;
 
        case BUZIOC_S_PARAMS:
        {
@@ -2401,12 +2341,11 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                }
 
                fh->jpg_settings = settings;
-       sparams_unlock_and_return:
+sparams_unlock_and_return:
                mutex_unlock(&zr->resource_lock);
 
                return res;
        }
-               break;
 
        case BUZIOC_REQBUFS:
        {
@@ -2456,12 +2395,11 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                /* The next mmap will map the MJPEG buffers - could
                 * also be *_PLAY, but it doesn't matter here */
                fh->map_mode = ZORAN_MAP_MODE_JPG_REC;
-       jpgreqbuf_unlock_and_return:
+jpgreqbuf_unlock_and_return:
                mutex_unlock(&zr->resource_lock);
 
                return res;
        }
-               break;
 
        case BUZIOC_QBUF_CAPT:
        {
@@ -2476,7 +2414,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return res;
        }
-               break;
 
        case BUZIOC_QBUF_PLAY:
        {
@@ -2491,7 +2428,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return res;
        }
-               break;
 
        case BUZIOC_SYNC:
        {
@@ -2506,7 +2442,6 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return res;
        }
-               break;
 
        case BUZIOC_G_STATUS:
        {
@@ -2550,7 +2485,7 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                input = zr->card.input[zr->input].muxsel;
                decoder_command(zr, DECODER_SET_INPUT, &input);
                decoder_command(zr, DECODER_SET_NORM, &zr->norm);
-       gstat_unlock_and_return:
+gstat_unlock_and_return:
                mutex_unlock(&zr->resource_lock);
 
                if (!res) {
@@ -2569,1599 +2504,1297 @@ static long zoran_do_ioctl(struct file *file, unsigned int cmd, void *arg)
 
                return res;
        }
-               break;
-
-               /* The new video4linux2 capture interface - much nicer than video4linux1, since
-                * it allows for integrating the JPEG capturing calls inside standard v4l2
-                */
-
-       case VIDIOC_QUERYCAP:
-       {
-               struct v4l2_capability *cap = arg;
-
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_QUERYCAP\n", ZR_DEVNAME(zr));
 
-               memset(cap, 0, sizeof(*cap));
-               strncpy(cap->card, ZR_DEVNAME(zr), sizeof(cap->card)-1);
-               strncpy(cap->driver, "zoran", sizeof(cap->driver)-1);
-               snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
-                        pci_name(zr->pci_dev));
-               cap->version =
-                   KERNEL_VERSION(MAJOR_VERSION, MINOR_VERSION,
-                                  RELEASE_VERSION);
-               cap->capabilities = ZORAN_V4L2_VID_FLAGS;
-
-               return 0;
+       default:
+               return -EINVAL;
        }
-               break;
-
-       case VIDIOC_ENUM_FMT:
-       {
-               struct v4l2_fmtdesc *fmt = arg;
-               int index = fmt->index, num = -1, i, flag = 0, type =
-                   fmt->type;
+}
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_ENUM_FMT - index=%d\n",
-                       ZR_DEVNAME(zr), fmt->index);
+static int zoran_querycap(struct file *file, void *__fh, struct v4l2_capability *cap)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
 
-               switch (fmt->type) {
-               case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-                       flag = ZORAN_FORMAT_CAPTURE;
-                       break;
-               case V4L2_BUF_TYPE_VIDEO_OUTPUT:
-                       flag = ZORAN_FORMAT_PLAYBACK;
-                       break;
-               case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-                       flag = ZORAN_FORMAT_OVERLAY;
-                       break;
-               default:
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_ENUM_FMT - unknown type %d\n",
-                               ZR_DEVNAME(zr), fmt->type);
-                       return -EINVAL;
-               }
+       memset(cap, 0, sizeof(*cap));
+       strncpy(cap->card, ZR_DEVNAME(zr), sizeof(cap->card)-1);
+       strncpy(cap->driver, "zoran", sizeof(cap->driver)-1);
+       snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
+                pci_name(zr->pci_dev));
+       cap->version =
+           KERNEL_VERSION(MAJOR_VERSION, MINOR_VERSION,
+                          RELEASE_VERSION);
+       cap->capabilities = ZORAN_V4L2_VID_FLAGS;
 
-               for (i = 0; i < NUM_FORMATS; i++) {
-                       if (zoran_formats[i].flags & flag)
-                               num++;
-                       if (num == fmt->index)
-                               break;
-               }
-               if (fmt->index < 0 /* late, but not too late */  ||
-                   i == NUM_FORMATS)
-                       return -EINVAL;
+       return 0;
+}
 
-               memset(fmt, 0, sizeof(*fmt));
-               fmt->index = index;
-               fmt->type = type;
-               strncpy(fmt->description, zoran_formats[i].name, sizeof(fmt->description)-1);
-               fmt->pixelformat = zoran_formats[i].fourcc;
-               if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED)
-                       fmt->flags |= V4L2_FMT_FLAG_COMPRESSED;
+static int zoran_enum_fmt(struct zoran *zr, struct v4l2_fmtdesc *fmt, int flag)
+{
+       int num = -1, i;
 
-               return 0;
+       for (i = 0; i < NUM_FORMATS; i++) {
+               if (zoran_formats[i].flags & flag)
+                       num++;
+               if (num == fmt->index)
+                       break;
        }
-               break;
-
-       case VIDIOC_G_FMT:
-       {
-               struct v4l2_format *fmt = arg;
-               int type = fmt->type;
+       if (fmt->index < 0 /* late, but not too late */  || i == NUM_FORMATS)
+               return -EINVAL;
 
-               dprintk(5, KERN_DEBUG "%s: VIDIOC_G_FMT\n", ZR_DEVNAME(zr));
+       strncpy(fmt->description, zoran_formats[i].name, sizeof(fmt->description)-1);
+       fmt->pixelformat = zoran_formats[i].fourcc;
+       if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED)
+               fmt->flags |= V4L2_FMT_FLAG_COMPRESSED;
+       return 0;
+}
 
-               memset(fmt, 0, sizeof(*fmt));
-               fmt->type = type;
+static int zoran_enum_fmt_vid_cap(struct file *file, void *__fh,
+                                           struct v4l2_fmtdesc *f)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
 
-               switch (fmt->type) {
-               case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+       return zoran_enum_fmt(zr, f, ZORAN_FORMAT_CAPTURE);
+}
 
-                       mutex_lock(&zr->resource_lock);
+static int zoran_enum_fmt_vid_out(struct file *file, void *__fh,
+                                           struct v4l2_fmtdesc *f)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
 
-                       fmt->fmt.win.w.left = fh->overlay_settings.x;
-                       fmt->fmt.win.w.top = fh->overlay_settings.y;
-                       fmt->fmt.win.w.width = fh->overlay_settings.width;
-                       fmt->fmt.win.w.height =
-                           fh->overlay_settings.height;
-                       if (fh->overlay_settings.width * 2 >
-                           BUZ_MAX_HEIGHT)
-                               fmt->fmt.win.field = V4L2_FIELD_INTERLACED;
-                       else
-                               fmt->fmt.win.field = V4L2_FIELD_TOP;
+       return zoran_enum_fmt(zr, f, ZORAN_FORMAT_PLAYBACK);
+}
 
-                       mutex_unlock(&zr->resource_lock);
+static int zoran_enum_fmt_vid_overlay(struct file *file, void *__fh,
+                                           struct v4l2_fmtdesc *f)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
 
-                       break;
+       return zoran_enum_fmt(zr, f, ZORAN_FORMAT_OVERLAY);
+}
 
-               case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-               case V4L2_BUF_TYPE_VIDEO_OUTPUT:
-
-                       mutex_lock(&zr->resource_lock);
-
-                       if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE &&
-                           fh->map_mode == ZORAN_MAP_MODE_RAW) {
-
-                               fmt->fmt.pix.width =
-                                   fh->v4l_settings.width;
-                               fmt->fmt.pix.height =
-                                   fh->v4l_settings.height;
-                               fmt->fmt.pix.sizeimage =
-                                   fh->v4l_settings.bytesperline *
-                                   fh->v4l_settings.height;
-                               fmt->fmt.pix.pixelformat =
-                                   fh->v4l_settings.format->fourcc;
-                               fmt->fmt.pix.colorspace =
-                                   fh->v4l_settings.format->colorspace;
-                               fmt->fmt.pix.bytesperline =
-                                   fh->v4l_settings.bytesperline;
-                               if (BUZ_MAX_HEIGHT <
-                                   (fh->v4l_settings.height * 2))
-                                       fmt->fmt.pix.field =
-                                           V4L2_FIELD_INTERLACED;
-                               else
-                                       fmt->fmt.pix.field =
-                                           V4L2_FIELD_TOP;
+static int zoran_g_fmt_vid_out(struct file *file, void *__fh,
+                                       struct v4l2_format *fmt)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
 
-                       } else {
+       mutex_lock(&zr->resource_lock);
 
-                               fmt->fmt.pix.width =
-                                   fh->jpg_settings.img_width /
-                                   fh->jpg_settings.HorDcm;
-                               fmt->fmt.pix.height =
-                                   fh->jpg_settings.img_height /
-                                   (fh->jpg_settings.VerDcm *
-                                    fh->jpg_settings.TmpDcm);
-                               fmt->fmt.pix.sizeimage =
-                                   zoran_v4l2_calc_bufsize(&fh->
-                                                           jpg_settings);
-                               fmt->fmt.pix.pixelformat =
-                                   V4L2_PIX_FMT_MJPEG;
-                               if (fh->jpg_settings.TmpDcm == 1)
-                                       fmt->fmt.pix.field =
-                                           (fh->jpg_settings.
-                                            odd_even ? V4L2_FIELD_SEQ_BT :
-                                            V4L2_FIELD_SEQ_BT);
-                               else
-                                       fmt->fmt.pix.field =
-                                           (fh->jpg_settings.
-                                            odd_even ? V4L2_FIELD_TOP :
-                                            V4L2_FIELD_BOTTOM);
-
-                               fmt->fmt.pix.bytesperline = 0;
-                               fmt->fmt.pix.colorspace =
-                                   V4L2_COLORSPACE_SMPTE170M;
-                       }
+       fmt->fmt.pix.width = fh->jpg_settings.img_width / fh->jpg_settings.HorDcm;
+       fmt->fmt.pix.height = fh->jpg_settings.img_height /
+               (fh->jpg_settings.VerDcm * fh->jpg_settings.TmpDcm);
+       fmt->fmt.pix.sizeimage = zoran_v4l2_calc_bufsize(&fh->jpg_settings);
+       fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG;
+       if (fh->jpg_settings.TmpDcm == 1)
+               fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
+                               V4L2_FIELD_SEQ_BT : V4L2_FIELD_SEQ_BT);
+       else
+               fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
+                               V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
+       fmt->fmt.pix.bytesperline = 0;
+       fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 
-                       mutex_unlock(&zr->resource_lock);
+       mutex_unlock(&zr->resource_lock);
+       return 0;
+}
 
-                       break;
+static int zoran_g_fmt_vid_cap(struct file *file, void *__fh,
+                                       struct v4l2_format *fmt)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
 
-               default:
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_G_FMT - unsupported type %d\n",
-                               ZR_DEVNAME(zr), fmt->type);
-                       return -EINVAL;
-               }
-               return 0;
-       }
-               break;
+       if (fh->map_mode != ZORAN_MAP_MODE_RAW)
+               return zoran_g_fmt_vid_out(file, fh, fmt);
 
-       case VIDIOC_S_FMT:
-       {
-               struct v4l2_format *fmt = arg;
-               int i, res = 0;
-               __le32 printformat;
-
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_S_FMT - type=%d, ",
-                       ZR_DEVNAME(zr), fmt->type);
-
-               switch (fmt->type) {
-               case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-
-                       dprintk(3, "x=%d, y=%d, w=%d, h=%d, cnt=%d, map=0x%p\n",
-                               fmt->fmt.win.w.left, fmt->fmt.win.w.top,
-                               fmt->fmt.win.w.width,
-                               fmt->fmt.win.w.height,
-                               fmt->fmt.win.clipcount,
-                               fmt->fmt.win.bitmap);
-                       mutex_lock(&zr->resource_lock);
-                       res =
-                           setup_window(file, fmt->fmt.win.w.left,
-                                        fmt->fmt.win.w.top,
-                                        fmt->fmt.win.w.width,
-                                        fmt->fmt.win.w.height,
-                                        (struct video_clip __user *)
-                                          fmt->fmt.win.clips,
-                                        fmt->fmt.win.clipcount,
-                                        fmt->fmt.win.bitmap);
-                       mutex_unlock(&zr->resource_lock);
-                       return res;
-                       break;
+       mutex_lock(&zr->resource_lock);
+       fmt->fmt.pix.width = fh->v4l_settings.width;
+       fmt->fmt.pix.height = fh->v4l_settings.height;
+       fmt->fmt.pix.sizeimage = fh->v4l_settings.bytesperline *
+                                       fh->v4l_settings.height;
+       fmt->fmt.pix.pixelformat = fh->v4l_settings.format->fourcc;
+       fmt->fmt.pix.colorspace = fh->v4l_settings.format->colorspace;
+       fmt->fmt.pix.bytesperline = fh->v4l_settings.bytesperline;
+       if (BUZ_MAX_HEIGHT < (fh->v4l_settings.height * 2))
+               fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
+       else
+               fmt->fmt.pix.field = V4L2_FIELD_TOP;
+       mutex_unlock(&zr->resource_lock);
+       return 0;
+}
 
-               case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-               case V4L2_BUF_TYPE_VIDEO_OUTPUT:
-
-                       printformat =
-                           __cpu_to_le32(fmt->fmt.pix.pixelformat);
-                       dprintk(3, "size=%dx%d, fmt=0x%x (%4.4s)\n",
-                               fmt->fmt.pix.width, fmt->fmt.pix.height,
-                               fmt->fmt.pix.pixelformat,
-                               (char *) &printformat);
-
-                       /* we can be requested to do JPEG/raw playback/capture */
-                       if (!
-                           (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE ||
-                            (fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
-                             fmt->fmt.pix.pixelformat ==
-                             V4L2_PIX_FMT_MJPEG))) {
-                               dprintk(1,
-                                       KERN_ERR
-                                       "%s: VIDIOC_S_FMT - unknown type %d/0x%x(%4.4s) combination\n",
-                                       ZR_DEVNAME(zr), fmt->type,
-                                       fmt->fmt.pix.pixelformat,
-                                       (char *) &printformat);
-                               return -EINVAL;
-                       }
+static int zoran_g_fmt_vid_overlay(struct file *file, void *__fh,
+                                       struct v4l2_format *fmt)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
 
-                       if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) {
-                               mutex_lock(&zr->resource_lock);
+       mutex_lock(&zr->resource_lock);
 
-                               settings = fh->jpg_settings;
+       fmt->fmt.win.w.left = fh->overlay_settings.x;
+       fmt->fmt.win.w.top = fh->overlay_settings.y;
+       fmt->fmt.win.w.width = fh->overlay_settings.width;
+       fmt->fmt.win.w.height = fh->overlay_settings.height;
+       if (fh->overlay_settings.width * 2 > BUZ_MAX_HEIGHT)
+               fmt->fmt.win.field = V4L2_FIELD_INTERLACED;
+       else
+               fmt->fmt.win.field = V4L2_FIELD_TOP;
 
-                               if (fh->v4l_buffers.allocated ||
-                                   fh->jpg_buffers.allocated) {
-                                       dprintk(1,
-                                               KERN_ERR
-                                               "%s: VIDIOC_S_FMT - cannot change capture mode\n",
-                                               ZR_DEVNAME(zr));
-                                       res = -EBUSY;
-                                       goto sfmtjpg_unlock_and_return;
-                               }
+       mutex_unlock(&zr->resource_lock);
+       return 0;
+}
 
-                               /* we actually need to set 'real' parameters now */
-                               if ((fmt->fmt.pix.height * 2) >
-                                   BUZ_MAX_HEIGHT)
-                                       settings.TmpDcm = 1;
-                               else
-                                       settings.TmpDcm = 2;
-                               settings.decimation = 0;
-                               if (fmt->fmt.pix.height <=
-                                   fh->jpg_settings.img_height / 2)
-                                       settings.VerDcm = 2;
-                               else
-                                       settings.VerDcm = 1;
-                               if (fmt->fmt.pix.width <=
-                                   fh->jpg_settings.img_width / 4)
-                                       settings.HorDcm = 4;
-                               else if (fmt->fmt.pix.width <=
-                                        fh->jpg_settings.img_width / 2)
-                                       settings.HorDcm = 2;
-                               else
-                                       settings.HorDcm = 1;
-                               if (settings.TmpDcm == 1)
-                                       settings.field_per_buff = 2;
-                               else
-                                       settings.field_per_buff = 1;
-
-                               /* check */
-                               if ((res =
-                                    zoran_check_jpg_settings(zr,
-                                                             &settings)))
-                                       goto sfmtjpg_unlock_and_return;
-
-                               /* it's ok, so set them */
-                               fh->jpg_settings = settings;
-
-                               /* tell the user what we actually did */
-                               fmt->fmt.pix.width =
-                                   settings.img_width / settings.HorDcm;
-                               fmt->fmt.pix.height =
-                                   settings.img_height * 2 /
-                                   (settings.TmpDcm * settings.VerDcm);
-                               if (settings.TmpDcm == 1)
-                                       fmt->fmt.pix.field =
-                                           (fh->jpg_settings.
-                                            odd_even ? V4L2_FIELD_SEQ_TB :
-                                            V4L2_FIELD_SEQ_BT);
-                               else
-                                       fmt->fmt.pix.field =
-                                           (fh->jpg_settings.
-                                            odd_even ? V4L2_FIELD_TOP :
-                                            V4L2_FIELD_BOTTOM);
-                               fh->jpg_buffers.buffer_size =
-                                   zoran_v4l2_calc_bufsize(&fh->
-                                                           jpg_settings);
-                               fmt->fmt.pix.bytesperline = 0;
-                               fmt->fmt.pix.sizeimage =
-                                   fh->jpg_buffers.buffer_size;
-                               fmt->fmt.pix.colorspace =
-                                   V4L2_COLORSPACE_SMPTE170M;
-
-                               /* we hereby abuse this variable to show that
-                                * we're gonna do mjpeg capture */
-                               fh->map_mode =
-                                   (fmt->type ==
-                                    V4L2_BUF_TYPE_VIDEO_CAPTURE) ?
-                                   ZORAN_MAP_MODE_JPG_REC :
-                                   ZORAN_MAP_MODE_JPG_PLAY;
-                       sfmtjpg_unlock_and_return:
-                               mutex_unlock(&zr->resource_lock);
-                       } else {
-                               for (i = 0; i < NUM_FORMATS; i++)
-                                       if (fmt->fmt.pix.pixelformat ==
-                                           zoran_formats[i].fourcc)
-                                               break;
-                               if (i == NUM_FORMATS) {
-                                       dprintk(1,
-                                               KERN_ERR
-                                               "%s: VIDIOC_S_FMT - unknown/unsupported format 0x%x (%4.4s)\n",
-                                               ZR_DEVNAME(zr),
-                                               fmt->fmt.pix.pixelformat,
-                                               (char *) &printformat);
-                                       return -EINVAL;
-                               }
-                               mutex_lock(&zr->resource_lock);
-                               if (fh->jpg_buffers.allocated ||
-                                   (fh->v4l_buffers.allocated &&
-                                    fh->v4l_buffers.active !=
-                                    ZORAN_FREE)) {
-                                       dprintk(1,
-                                               KERN_ERR
-                                               "%s: VIDIOC_S_FMT - cannot change capture mode\n",
-                                               ZR_DEVNAME(zr));
-                                       res = -EBUSY;
-                                       goto sfmtv4l_unlock_and_return;
-                               }
-                               if (fmt->fmt.pix.height > BUZ_MAX_HEIGHT)
-                                       fmt->fmt.pix.height =
-                                           BUZ_MAX_HEIGHT;
-                               if (fmt->fmt.pix.width > BUZ_MAX_WIDTH)
-                                       fmt->fmt.pix.width = BUZ_MAX_WIDTH;
-
-                               if ((res =
-                                    zoran_v4l_set_format(file,
-                                                         fmt->fmt.pix.
-                                                         width,
-                                                         fmt->fmt.pix.
-                                                         height,
-                                                         &zoran_formats
-                                                         [i])))
-                                       goto sfmtv4l_unlock_and_return;
-
-                               /* tell the user the
-                                * results/missing stuff */
-                               fmt->fmt.pix.bytesperline =
-                                       fh->v4l_settings.bytesperline;
-                               fmt->fmt.pix.sizeimage =
-                                       fh->v4l_settings.height *
-                                       fh->v4l_settings.bytesperline;
-                               fmt->fmt.pix.colorspace =
-                                       fh->v4l_settings.format->colorspace;
-                               if (BUZ_MAX_HEIGHT <
-                                   (fh->v4l_settings.height * 2))
-                                       fmt->fmt.pix.field =
-                                           V4L2_FIELD_INTERLACED;
-                               else
-                                       fmt->fmt.pix.field =
-                                           V4L2_FIELD_TOP;
-
-                               fh->map_mode = ZORAN_MAP_MODE_RAW;
-                       sfmtv4l_unlock_and_return:
-                               mutex_unlock(&zr->resource_lock);
-                       }
+static int zoran_try_fmt_vid_overlay(struct file *file, void *__fh,
+                                       struct v4l2_format *fmt)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
 
-                       break;
+       mutex_lock(&zr->resource_lock);
 
-               default:
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_S_FMT - unsupported type %d\n",
-                               ZR_DEVNAME(zr), fmt->type);
-                       return -EINVAL;
-               }
+       if (fmt->fmt.win.w.width > BUZ_MAX_WIDTH)
+               fmt->fmt.win.w.width = BUZ_MAX_WIDTH;
+       if (fmt->fmt.win.w.width < BUZ_MIN_WIDTH)
+               fmt->fmt.win.w.width = BUZ_MIN_WIDTH;
+       if (fmt->fmt.win.w.height > BUZ_MAX_HEIGHT)
+               fmt->fmt.win.w.height = BUZ_MAX_HEIGHT;
+       if (fmt->fmt.win.w.height < BUZ_MIN_HEIGHT)
+               fmt->fmt.win.w.height = BUZ_MIN_HEIGHT;
 
-               return res;
-       }
-               break;
+       mutex_unlock(&zr->resource_lock);
+       return 0;
+}
 
-       case VIDIOC_G_FBUF:
-       {
-               struct v4l2_framebuffer *fb = arg;
+static int zoran_try_fmt_vid_out(struct file *file, void *__fh,
+                                       struct v4l2_format *fmt)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       struct zoran_jpg_settings settings;
+       int res = 0;
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_G_FBUF\n", ZR_DEVNAME(zr));
+       if (fmt->fmt.pix.bytesperline > 0)
+               return -EINVAL;
 
-               memset(fb, 0, sizeof(*fb));
-               mutex_lock(&zr->resource_lock);
-               fb->base = zr->buffer.base;
-               fb->fmt.width = zr->buffer.width;
-               fb->fmt.height = zr->buffer.height;
-               if (zr->overlay_settings.format) {
-                       fb->fmt.pixelformat =
-                               fh->overlay_settings.format->fourcc;
-               }
-               fb->fmt.bytesperline = zr->buffer.bytesperline;
-               mutex_unlock(&zr->resource_lock);
-               fb->fmt.colorspace = V4L2_COLORSPACE_SRGB;
-               fb->fmt.field = V4L2_FIELD_INTERLACED;
-               fb->flags = V4L2_FBUF_FLAG_OVERLAY;
-               fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
+       if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
+               return -EINVAL;
 
-               return 0;
-       }
-               break;
+       mutex_lock(&zr->resource_lock);
+       settings = fh->jpg_settings;
 
-       case VIDIOC_S_FBUF:
-       {
-               int i, res = 0;
-               struct v4l2_framebuffer *fb = arg;
-               __le32 printformat = __cpu_to_le32(fb->fmt.pixelformat);
+       /* we actually need to set 'real' parameters now */
+       if ((fmt->fmt.pix.height * 2) > BUZ_MAX_HEIGHT)
+               settings.TmpDcm = 1;
+       else
+               settings.TmpDcm = 2;
+       settings.decimation = 0;
+       if (fmt->fmt.pix.height <= fh->jpg_settings.img_height / 2)
+               settings.VerDcm = 2;
+       else
+               settings.VerDcm = 1;
+       if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 4)
+               settings.HorDcm = 4;
+       else if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 2)
+               settings.HorDcm = 2;
+       else
+               settings.HorDcm = 1;
+       if (settings.TmpDcm == 1)
+               settings.field_per_buff = 2;
+       else
+               settings.field_per_buff = 1;
+
+       /* check */
+       res = zoran_check_jpg_settings(zr, &settings);
+       if (res)
+               goto tryfmt_unlock_and_return;
+
+       /* tell the user what we actually did */
+       fmt->fmt.pix.width = settings.img_width / settings.HorDcm;
+       fmt->fmt.pix.height = settings.img_height * 2 /
+               (settings.TmpDcm * settings.VerDcm);
+       if (settings.TmpDcm == 1)
+               fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
+                               V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT);
+       else
+               fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
+                               V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
 
-               dprintk(3,
-                       KERN_DEBUG
-                       "%s: VIDIOC_S_FBUF - base=0x%p, size=%dx%d, bpl=%d, fmt=0x%x (%4.4s)\n",
-                       ZR_DEVNAME(zr), fb->base, fb->fmt.width, fb->fmt.height,
-                       fb->fmt.bytesperline, fb->fmt.pixelformat,
-                       (char *) &printformat);
+       fmt->fmt.pix.sizeimage = zoran_v4l2_calc_bufsize(&settings);
+tryfmt_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
+       return res;
+}
 
-               for (i = 0; i < NUM_FORMATS; i++)
-                       if (zoran_formats[i].fourcc == fb->fmt.pixelformat)
-                               break;
-               if (i == NUM_FORMATS) {
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_S_FBUF - format=0x%x (%4.4s) not allowed\n",
-                               ZR_DEVNAME(zr), fb->fmt.pixelformat,
-                               (char *) &printformat);
-                       return -EINVAL;
-               }
+static int zoran_try_fmt_vid_cap(struct file *file, void *__fh,
+                                       struct v4l2_format *fmt)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int i;
 
-               mutex_lock(&zr->resource_lock);
-               res =
-                   setup_fbuffer(file, fb->base, &zoran_formats[i],
-                                 fb->fmt.width, fb->fmt.height,
-                                 fb->fmt.bytesperline);
-               mutex_unlock(&zr->resource_lock);
+       if (fmt->fmt.pix.bytesperline > 0)
+               return -EINVAL;
 
-               return res;
-       }
-               break;
+       if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG)
+               return zoran_try_fmt_vid_out(file, fh, fmt);
 
-       case VIDIOC_OVERLAY:
-       {
-               int *on = arg, res;
+       mutex_lock(&zr->resource_lock);
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_PREVIEW - on=%d\n",
-                       ZR_DEVNAME(zr), *on);
+       for (i = 0; i < NUM_FORMATS; i++)
+               if (zoran_formats[i].fourcc == fmt->fmt.pix.pixelformat)
+                       break;
 
-               mutex_lock(&zr->resource_lock);
-               res = setup_overlay(file, *on);
+       if (i == NUM_FORMATS) {
                mutex_unlock(&zr->resource_lock);
-
-               return res;
+               return -EINVAL;
        }
-               break;
-
-       case VIDIOC_REQBUFS:
-       {
-               struct v4l2_requestbuffers *req = arg;
-               int res = 0;
-
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_REQBUFS - type=%d\n",
-                       ZR_DEVNAME(zr), req->type);
 
-               if (req->memory != V4L2_MEMORY_MMAP) {
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: only MEMORY_MMAP capture is supported, not %d\n",
-                               ZR_DEVNAME(zr), req->memory);
-                       return -EINVAL;
-               }
+       if (fmt->fmt.pix.width > BUZ_MAX_WIDTH)
+               fmt->fmt.pix.width = BUZ_MAX_WIDTH;
+       if (fmt->fmt.pix.width < BUZ_MIN_WIDTH)
+               fmt->fmt.pix.width = BUZ_MIN_WIDTH;
+       if (fmt->fmt.pix.height > BUZ_MAX_HEIGHT)
+               fmt->fmt.pix.height = BUZ_MAX_HEIGHT;
+       if (fmt->fmt.pix.height < BUZ_MIN_HEIGHT)
+               fmt->fmt.pix.height = BUZ_MIN_HEIGHT;
+       mutex_unlock(&zr->resource_lock);
 
-               mutex_lock(&zr->resource_lock);
+       return 0;
+}
 
-               if (fh->v4l_buffers.allocated || fh->jpg_buffers.allocated) {
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_REQBUFS - buffers allready allocated\n",
-                               ZR_DEVNAME(zr));
-                       res = -EBUSY;
-                       goto v4l2reqbuf_unlock_and_return;
-               }
+static int zoran_s_fmt_vid_overlay(struct file *file, void *__fh,
+                                       struct v4l2_format *fmt)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int res;
+
+       dprintk(3, "x=%d, y=%d, w=%d, h=%d, cnt=%d, map=0x%p\n",
+                       fmt->fmt.win.w.left, fmt->fmt.win.w.top,
+                       fmt->fmt.win.w.width,
+                       fmt->fmt.win.w.height,
+                       fmt->fmt.win.clipcount,
+                       fmt->fmt.win.bitmap);
+       mutex_lock(&zr->resource_lock);
+       res = setup_window(file, fmt->fmt.win.w.left,
+                       fmt->fmt.win.w.top,
+                       fmt->fmt.win.w.width,
+                       fmt->fmt.win.w.height,
+                       (struct video_clip __user *)
+                       fmt->fmt.win.clips,
+                       fmt->fmt.win.clipcount,
+                       fmt->fmt.win.bitmap);
+       mutex_unlock(&zr->resource_lock);
+       return res;
+}
 
-               if (fh->map_mode == ZORAN_MAP_MODE_RAW &&
-                   req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+static int zoran_s_fmt_vid_out(struct file *file, void *__fh,
+                                       struct v4l2_format *fmt)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       __le32 printformat = __cpu_to_le32(fmt->fmt.pix.pixelformat);
+       struct zoran_jpg_settings settings;
+       int res = 0;
 
-                       /* control user input */
-                       if (req->count < 2)
-                               req->count = 2;
-                       if (req->count > v4l_nbufs)
-                               req->count = v4l_nbufs;
-                       fh->v4l_buffers.num_buffers = req->count;
+       dprintk(3, "size=%dx%d, fmt=0x%x (%4.4s)\n",
+                       fmt->fmt.pix.width, fmt->fmt.pix.height,
+                       fmt->fmt.pix.pixelformat,
+                       (char *) &printformat);
+       if (fmt->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG)
+               return -EINVAL;
 
-                       if (v4l_fbuffer_alloc(file)) {
-                               res = -ENOMEM;
-                               goto v4l2reqbuf_unlock_and_return;
-                       }
+       mutex_lock(&zr->resource_lock);
 
-                       /* The next mmap will map the V4L buffers */
-                       fh->map_mode = ZORAN_MAP_MODE_RAW;
+       settings = fh->jpg_settings;
 
-               } else if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC ||
-                          fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) {
+       if (fh->v4l_buffers.allocated || fh->jpg_buffers.allocated) {
+               dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - cannot change capture mode\n",
+                               ZR_DEVNAME(zr));
+               res = -EBUSY;
+               goto sfmtjpg_unlock_and_return;
+       }
 
-                       /* we need to calculate size ourselves now */
-                       if (req->count < 4)
-                               req->count = 4;
-                       if (req->count > jpg_nbufs)
-                               req->count = jpg_nbufs;
-                       fh->jpg_buffers.num_buffers = req->count;
-                       fh->jpg_buffers.buffer_size =
-                           zoran_v4l2_calc_bufsize(&fh->jpg_settings);
-
-                       if (jpg_fbuffer_alloc(file)) {
-                               res = -ENOMEM;
-                               goto v4l2reqbuf_unlock_and_return;
-                       }
-
-                       /* The next mmap will map the MJPEG buffers */
-                       if (req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
-                               fh->map_mode = ZORAN_MAP_MODE_JPG_REC;
-                       else
-                               fh->map_mode = ZORAN_MAP_MODE_JPG_PLAY;
-
-               } else {
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_REQBUFS - unknown type %d\n",
-                               ZR_DEVNAME(zr), req->type);
-                       res = -EINVAL;
-                       goto v4l2reqbuf_unlock_and_return;
-               }
-       v4l2reqbuf_unlock_and_return:
-               mutex_unlock(&zr->resource_lock);
-
-               return 0;
-       }
-               break;
-
-       case VIDIOC_QUERYBUF:
-       {
-               struct v4l2_buffer *buf = arg;
-               __u32 type = buf->type;
-               int index = buf->index, res;
-
-               dprintk(3,
-                       KERN_DEBUG
-                       "%s: VIDIOC_QUERYBUF - index=%d, type=%d\n",
-                       ZR_DEVNAME(zr), buf->index, buf->type);
+       /* we actually need to set 'real' parameters now */
+       if ((fmt->fmt.pix.height * 2) > BUZ_MAX_HEIGHT)
+               settings.TmpDcm = 1;
+       else
+               settings.TmpDcm = 2;
+       settings.decimation = 0;
+       if (fmt->fmt.pix.height <= fh->jpg_settings.img_height / 2)
+               settings.VerDcm = 2;
+       else
+               settings.VerDcm = 1;
+       if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 4)
+               settings.HorDcm = 4;
+       else if (fmt->fmt.pix.width <= fh->jpg_settings.img_width / 2)
+               settings.HorDcm = 2;
+       else
+               settings.HorDcm = 1;
+       if (settings.TmpDcm == 1)
+               settings.field_per_buff = 2;
+       else
+               settings.field_per_buff = 1;
+
+       /* check */
+       res = zoran_check_jpg_settings(zr, &settings);
+       if (res)
+               goto sfmtjpg_unlock_and_return;
+
+       /* it's ok, so set them */
+       fh->jpg_settings = settings;
+
+       /* tell the user what we actually did */
+       fmt->fmt.pix.width = settings.img_width / settings.HorDcm;
+       fmt->fmt.pix.height = settings.img_height * 2 /
+               (settings.TmpDcm * settings.VerDcm);
+       if (settings.TmpDcm == 1)
+               fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
+                               V4L2_FIELD_SEQ_TB : V4L2_FIELD_SEQ_BT);
+       else
+               fmt->fmt.pix.field = (fh->jpg_settings.odd_even ?
+                               V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
+       fh->jpg_buffers.buffer_size = zoran_v4l2_calc_bufsize(&fh->jpg_settings);
+       fmt->fmt.pix.bytesperline = 0;
+       fmt->fmt.pix.sizeimage = fh->jpg_buffers.buffer_size;
+       fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
+
+       /* we hereby abuse this variable to show that
+        * we're gonna do mjpeg capture */
+       fh->map_mode = (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ?
+               ZORAN_MAP_MODE_JPG_REC : ZORAN_MAP_MODE_JPG_PLAY;
+sfmtjpg_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
+       return res;
+}
 
-               memset(buf, 0, sizeof(*buf));
-               buf->type = type;
-               buf->index = index;
+static int zoran_s_fmt_vid_cap(struct file *file, void *__fh,
+                                       struct v4l2_format *fmt)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int i;
+       int res = 0;
 
-               mutex_lock(&zr->resource_lock);
-               res = zoran_v4l2_buffer_status(file, buf, buf->index);
-               mutex_unlock(&zr->resource_lock);
+       if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG)
+               return zoran_s_fmt_vid_out(file, fh, fmt);
 
-               return res;
+       for (i = 0; i < NUM_FORMATS; i++)
+               if (fmt->fmt.pix.pixelformat == zoran_formats[i].fourcc)
+                       break;
+       if (i == NUM_FORMATS) {
+               dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - unknown/unsupported format 0x%x\n",
+                       ZR_DEVNAME(zr), fmt->fmt.pix.pixelformat);
+               return -EINVAL;
        }
-               break;
-
-       case VIDIOC_QBUF:
-       {
-               struct v4l2_buffer *buf = arg;
-               int res = 0, codec_mode, buf_type;
-
-               dprintk(3,
-                       KERN_DEBUG "%s: VIDIOC_QBUF - type=%d, index=%d\n",
-                       ZR_DEVNAME(zr), buf->type, buf->index);
+       mutex_lock(&zr->resource_lock);
+       if (fh->jpg_buffers.allocated ||
+               (fh->v4l_buffers.allocated && fh->v4l_buffers.active != ZORAN_FREE)) {
+               dprintk(1, KERN_ERR "%s: VIDIOC_S_FMT - cannot change capture mode\n",
+                               ZR_DEVNAME(zr));
+               res = -EBUSY;
+               goto sfmtv4l_unlock_and_return;
+       }
+       if (fmt->fmt.pix.height > BUZ_MAX_HEIGHT)
+               fmt->fmt.pix.height = BUZ_MAX_HEIGHT;
+       if (fmt->fmt.pix.width > BUZ_MAX_WIDTH)
+               fmt->fmt.pix.width = BUZ_MAX_WIDTH;
+
+       res = zoran_v4l_set_format(file, fmt->fmt.pix.width,
+                       fmt->fmt.pix.height, &zoran_formats[i]);
+       if (res)
+               goto sfmtv4l_unlock_and_return;
+
+       /* tell the user the
+        * results/missing stuff */
+       fmt->fmt.pix.bytesperline = fh->v4l_settings.bytesperline;
+       fmt->fmt.pix.sizeimage = fh->v4l_settings.height * fh->v4l_settings.bytesperline;
+       fmt->fmt.pix.colorspace = fh->v4l_settings.format->colorspace;
+       if (BUZ_MAX_HEIGHT < (fh->v4l_settings.height * 2))
+               fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
+       else
+               fmt->fmt.pix.field = V4L2_FIELD_TOP;
 
-               mutex_lock(&zr->resource_lock);
+       fh->map_mode = ZORAN_MAP_MODE_RAW;
+sfmtv4l_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
+       return res;
+}
 
-               switch (fh->map_mode) {
-               case ZORAN_MAP_MODE_RAW:
-                       if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
-                               dprintk(1,
-                                       KERN_ERR
-                                       "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
-                                       ZR_DEVNAME(zr), buf->type, fh->map_mode);
-                               res = -EINVAL;
-                               goto qbuf_unlock_and_return;
-                       }
+static int zoran_g_fbuf(struct file *file, void *__fh,
+               struct v4l2_framebuffer *fb)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
 
-                       res = zoran_v4l_queue_frame(file, buf->index);
-                       if (res)
-                               goto qbuf_unlock_and_return;
-                       if (!zr->v4l_memgrab_active &&
-                           fh->v4l_buffers.active == ZORAN_LOCKED)
-                               zr36057_set_memgrab(zr, 1);
-                       break;
+       memset(fb, 0, sizeof(*fb));
+       mutex_lock(&zr->resource_lock);
+       fb->base = zr->buffer.base;
+       fb->fmt.width = zr->buffer.width;
+       fb->fmt.height = zr->buffer.height;
+       if (zr->overlay_settings.format)
+               fb->fmt.pixelformat = fh->overlay_settings.format->fourcc;
+       fb->fmt.bytesperline = zr->buffer.bytesperline;
+       mutex_unlock(&zr->resource_lock);
+       fb->fmt.colorspace = V4L2_COLORSPACE_SRGB;
+       fb->fmt.field = V4L2_FIELD_INTERLACED;
+       fb->flags = V4L2_FBUF_FLAG_OVERLAY;
+       fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
 
-               case ZORAN_MAP_MODE_JPG_REC:
-               case ZORAN_MAP_MODE_JPG_PLAY:
-                       if (fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) {
-                               buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
-                               codec_mode = BUZ_MODE_MOTION_DECOMPRESS;
-                       } else {
-                               buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-                               codec_mode = BUZ_MODE_MOTION_COMPRESS;
-                       }
+       return 0;
+}
 
-                       if (buf->type != buf_type) {
-                               dprintk(1,
-                                       KERN_ERR
-                                       "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
-                                       ZR_DEVNAME(zr), buf->type, fh->map_mode);
-                               res = -EINVAL;
-                               goto qbuf_unlock_and_return;
-                       }
+static int zoran_s_fbuf(struct file *file, void *__fh,
+               struct v4l2_framebuffer *fb)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int i, res = 0;
+       __le32 printformat = __cpu_to_le32(fb->fmt.pixelformat);
 
-                       res =
-                           zoran_jpg_queue_frame(file, buf->index,
-                                                 codec_mode);
-                       if (res != 0)
-                               goto qbuf_unlock_and_return;
-                       if (zr->codec_mode == BUZ_MODE_IDLE &&
-                           fh->jpg_buffers.active == ZORAN_LOCKED) {
-                               zr36057_enable_jpg(zr, codec_mode);
-                       }
+       for (i = 0; i < NUM_FORMATS; i++)
+               if (zoran_formats[i].fourcc == fb->fmt.pixelformat)
                        break;
-
-               default:
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_QBUF - unsupported type %d\n",
-                               ZR_DEVNAME(zr), buf->type);
-                       res = -EINVAL;
-                       goto qbuf_unlock_and_return;
-               }
-       qbuf_unlock_and_return:
-               mutex_unlock(&zr->resource_lock);
-
-               return res;
+       if (i == NUM_FORMATS) {
+               dprintk(1, KERN_ERR "%s: VIDIOC_S_FBUF - format=0x%x (%4.4s) not allowed\n",
+                       ZR_DEVNAME(zr), fb->fmt.pixelformat,
+                       (char *)&printformat);
+               return -EINVAL;
        }
-               break;
-
-       case VIDIOC_DQBUF:
-       {
-               struct v4l2_buffer *buf = arg;
-               int res = 0, buf_type, num = -1;        /* compiler borks here (?) */
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_DQBUF - type=%d\n",
-                       ZR_DEVNAME(zr), buf->type);
-
-               mutex_lock(&zr->resource_lock);
+       mutex_lock(&zr->resource_lock);
+       res = setup_fbuffer(file, fb->base, &zoran_formats[i],
+                               fb->fmt.width, fb->fmt.height,
+                               fb->fmt.bytesperline);
+       mutex_unlock(&zr->resource_lock);
 
-               switch (fh->map_mode) {
-               case ZORAN_MAP_MODE_RAW:
-                       if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
-                               dprintk(1,
-                                       KERN_ERR
-                                       "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
-                                       ZR_DEVNAME(zr), buf->type, fh->map_mode);
-                               res = -EINVAL;
-                               goto dqbuf_unlock_and_return;
-                       }
+       return res;
+}
 
-                       num = zr->v4l_pend[zr->v4l_sync_tail & V4L_MASK_FRAME];
-                       if (file->f_flags & O_NONBLOCK &&
-                           zr->v4l_buffers.buffer[num].state !=
-                           BUZ_STATE_DONE) {
-                               res = -EAGAIN;
-                               goto dqbuf_unlock_and_return;
-                       }
-                       res = v4l_sync(file, num);
-                       if (res)
-                               goto dqbuf_unlock_and_return;
-                       else
-                               zr->v4l_sync_tail++;
-                       res = zoran_v4l2_buffer_status(file, buf, num);
-                       break;
+static int zoran_overlay(struct file *file, void *__fh, unsigned int on)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int res;
 
-               case ZORAN_MAP_MODE_JPG_REC:
-               case ZORAN_MAP_MODE_JPG_PLAY:
-               {
-                       struct zoran_sync bs;
+       mutex_lock(&zr->resource_lock);
+       res = setup_overlay(file, on);
+       mutex_unlock(&zr->resource_lock);
 
-                       if (fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY)
-                               buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
-                       else
-                               buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+       return res;
+}
 
-                       if (buf->type != buf_type) {
-                               dprintk(1,
-                                       KERN_ERR
-                                       "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
-                                       ZR_DEVNAME(zr), buf->type, fh->map_mode);
-                               res = -EINVAL;
-                               goto dqbuf_unlock_and_return;
-                       }
+static int zoran_reqbufs(struct file *file, void *__fh, struct v4l2_requestbuffers *req)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int res = 0;
 
-                       num =
-                           zr->jpg_pend[zr->
-                                        jpg_que_tail & BUZ_MASK_FRAME];
+       if (req->memory != V4L2_MEMORY_MMAP) {
+               dprintk(1,
+                               KERN_ERR
+                               "%s: only MEMORY_MMAP capture is supported, not %d\n",
+                               ZR_DEVNAME(zr), req->memory);
+               return -EINVAL;
+       }
 
-                       if (file->f_flags & O_NONBLOCK &&
-                           zr->jpg_buffers.buffer[num].state !=
-                           BUZ_STATE_DONE) {
-                               res = -EAGAIN;
-                               goto dqbuf_unlock_and_return;
-                       }
-                       res = jpg_sync(file, &bs);
-                       if (res)
-                               goto dqbuf_unlock_and_return;
-                       res =
-                           zoran_v4l2_buffer_status(file, buf, bs.frame);
-                       break;
-               }
+       mutex_lock(&zr->resource_lock);
 
-               default:
-                       dprintk(1,
+       if (fh->v4l_buffers.allocated || fh->jpg_buffers.allocated) {
+               dprintk(1,
                                KERN_ERR
-                               "%s: VIDIOC_DQBUF - unsupported type %d\n",
-                               ZR_DEVNAME(zr), buf->type);
-                       res = -EINVAL;
-                       goto dqbuf_unlock_and_return;
-               }
-       dqbuf_unlock_and_return:
-               mutex_unlock(&zr->resource_lock);
-
-               return res;
+                               "%s: VIDIOC_REQBUFS - buffers allready allocated\n",
+                               ZR_DEVNAME(zr));
+               res = -EBUSY;
+               goto v4l2reqbuf_unlock_and_return;
        }
-               break;
-
-       case VIDIOC_STREAMON:
-       {
-               int res = 0;
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_STREAMON\n", ZR_DEVNAME(zr));
+       if (fh->map_mode == ZORAN_MAP_MODE_RAW &&
+                       req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
 
-               mutex_lock(&zr->resource_lock);
+               /* control user input */
+               if (req->count < 2)
+                       req->count = 2;
+               if (req->count > v4l_nbufs)
+                       req->count = v4l_nbufs;
+               fh->v4l_buffers.num_buffers = req->count;
 
-               switch (fh->map_mode) {
-               case ZORAN_MAP_MODE_RAW:        /* raw capture */
-                       if (zr->v4l_buffers.active != ZORAN_ACTIVE ||
-                           fh->v4l_buffers.active != ZORAN_ACTIVE) {
-                               res = -EBUSY;
-                               goto strmon_unlock_and_return;
-                       }
+               if (v4l_fbuffer_alloc(file)) {
+                       res = -ENOMEM;
+                       goto v4l2reqbuf_unlock_and_return;
+               }
 
-                       zr->v4l_buffers.active = fh->v4l_buffers.active =
-                           ZORAN_LOCKED;
-                       zr->v4l_settings = fh->v4l_settings;
+               /* The next mmap will map the V4L buffers */
+               fh->map_mode = ZORAN_MAP_MODE_RAW;
 
-                       zr->v4l_sync_tail = zr->v4l_pend_tail;
-                       if (!zr->v4l_memgrab_active &&
-                           zr->v4l_pend_head != zr->v4l_pend_tail) {
-                               zr36057_set_memgrab(zr, 1);
-                       }
-                       break;
+       } else if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC ||
+                       fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) {
 
-               case ZORAN_MAP_MODE_JPG_REC:
-               case ZORAN_MAP_MODE_JPG_PLAY:
-                       /* what is the codec mode right now? */
-                       if (zr->jpg_buffers.active != ZORAN_ACTIVE ||
-                           fh->jpg_buffers.active != ZORAN_ACTIVE) {
-                               res = -EBUSY;
-                               goto strmon_unlock_and_return;
-                       }
+               /* we need to calculate size ourselves now */
+               if (req->count < 4)
+                       req->count = 4;
+               if (req->count > jpg_nbufs)
+                       req->count = jpg_nbufs;
+               fh->jpg_buffers.num_buffers = req->count;
+               fh->jpg_buffers.buffer_size =
+                       zoran_v4l2_calc_bufsize(&fh->jpg_settings);
 
-                       zr->jpg_buffers.active = fh->jpg_buffers.active =
-                           ZORAN_LOCKED;
+               if (jpg_fbuffer_alloc(file)) {
+                       res = -ENOMEM;
+                       goto v4l2reqbuf_unlock_and_return;
+               }
 
-                       if (zr->jpg_que_head != zr->jpg_que_tail) {
-                               /* Start the jpeg codec when the first frame is queued  */
-                               jpeg_start(zr);
-                       }
+               /* The next mmap will map the MJPEG buffers */
+               if (req->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+                       fh->map_mode = ZORAN_MAP_MODE_JPG_REC;
+               else
+                       fh->map_mode = ZORAN_MAP_MODE_JPG_PLAY;
 
-                       break;
-               default:
-                       dprintk(1,
+       } else {
+               dprintk(1,
                                KERN_ERR
-                               "%s: VIDIOC_STREAMON - invalid map mode %d\n",
-                               ZR_DEVNAME(zr), fh->map_mode);
-                       res = -EINVAL;
-                       goto strmon_unlock_and_return;
-               }
-       strmon_unlock_and_return:
-               mutex_unlock(&zr->resource_lock);
-
-               return res;
+                               "%s: VIDIOC_REQBUFS - unknown type %d\n",
+                               ZR_DEVNAME(zr), req->type);
+               res = -EINVAL;
+               goto v4l2reqbuf_unlock_and_return;
        }
-               break;
-
-       case VIDIOC_STREAMOFF:
-       {
-               int i, res = 0;
-
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_STREAMOFF\n", ZR_DEVNAME(zr));
-
-               mutex_lock(&zr->resource_lock);
+v4l2reqbuf_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
 
-               switch (fh->map_mode) {
-               case ZORAN_MAP_MODE_RAW:        /* raw capture */
-                       if (fh->v4l_buffers.active == ZORAN_FREE &&
-                           zr->v4l_buffers.active != ZORAN_FREE) {
-                               res = -EPERM;   /* stay off other's settings! */
-                               goto strmoff_unlock_and_return;
-                       }
-                       if (zr->v4l_buffers.active == ZORAN_FREE)
-                               goto strmoff_unlock_and_return;
+       return res;
+}
 
-                       /* unload capture */
-                       if (zr->v4l_memgrab_active) {
-                               unsigned long flags;
+static int zoran_querybuf(struct file *file, void *__fh, struct v4l2_buffer *buf)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       __u32 type = buf->type;
+       int index = buf->index, res;
 
-                               spin_lock_irqsave(&zr->spinlock, flags);
-                               zr36057_set_memgrab(zr, 0);
-                               spin_unlock_irqrestore(&zr->spinlock, flags);
-                       }
+       memset(buf, 0, sizeof(*buf));
+       buf->type = type;
+       buf->index = index;
 
-                       for (i = 0; i < fh->v4l_buffers.num_buffers; i++)
-                               zr->v4l_buffers.buffer[i].state =
-                                   BUZ_STATE_USER;
-                       fh->v4l_buffers = zr->v4l_buffers;
+       mutex_lock(&zr->resource_lock);
+       res = zoran_v4l2_buffer_status(file, buf, buf->index);
+       mutex_unlock(&zr->resource_lock);
 
-                       zr->v4l_buffers.active = fh->v4l_buffers.active =
-                           ZORAN_FREE;
+       return res;
+}
 
-                       zr->v4l_grab_seq = 0;
-                       zr->v4l_pend_head = zr->v4l_pend_tail = 0;
-                       zr->v4l_sync_tail = 0;
+static int zoran_qbuf(struct file *file, void *__fh, struct v4l2_buffer *buf)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int res = 0, codec_mode, buf_type;
 
-                       break;
+       mutex_lock(&zr->resource_lock);
 
-               case ZORAN_MAP_MODE_JPG_REC:
-               case ZORAN_MAP_MODE_JPG_PLAY:
-                       if (fh->jpg_buffers.active == ZORAN_FREE &&
-                           zr->jpg_buffers.active != ZORAN_FREE) {
-                               res = -EPERM;   /* stay off other's settings! */
-                               goto strmoff_unlock_and_return;
-                       }
-                       if (zr->jpg_buffers.active == ZORAN_FREE)
-                               goto strmoff_unlock_and_return;
-
-                       res =
-                           jpg_qbuf(file, -1,
-                                    (fh->map_mode ==
-                                     ZORAN_MAP_MODE_JPG_REC) ?
-                                    BUZ_MODE_MOTION_COMPRESS :
-                                    BUZ_MODE_MOTION_DECOMPRESS);
-                       if (res)
-                               goto strmoff_unlock_and_return;
-                       break;
-               default:
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_STREAMOFF - invalid map mode %d\n",
-                               ZR_DEVNAME(zr), fh->map_mode);
+       switch (fh->map_mode) {
+       case ZORAN_MAP_MODE_RAW:
+               if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+                       dprintk(1, KERN_ERR
+                               "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
+                               ZR_DEVNAME(zr), buf->type, fh->map_mode);
                        res = -EINVAL;
-                       goto strmoff_unlock_and_return;
+                       goto qbuf_unlock_and_return;
                }
-       strmoff_unlock_and_return:
-               mutex_unlock(&zr->resource_lock);
 
-               return res;
-       }
+               res = zoran_v4l_queue_frame(file, buf->index);
+               if (res)
+                       goto qbuf_unlock_and_return;
+               if (!zr->v4l_memgrab_active &&
+                               fh->v4l_buffers.active == ZORAN_LOCKED)
+                       zr36057_set_memgrab(zr, 1);
                break;
 
-       case VIDIOC_QUERYCTRL:
-       {
-               struct v4l2_queryctrl *ctrl = arg;
-
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_QUERYCTRL - id=%d\n",
-                       ZR_DEVNAME(zr), ctrl->id);
-
-               /* we only support hue/saturation/contrast/brightness */
-               if (ctrl->id < V4L2_CID_BRIGHTNESS ||
-                   ctrl->id > V4L2_CID_HUE)
-                       return -EINVAL;
-               else {
-                       int id = ctrl->id;
-                       memset(ctrl, 0, sizeof(*ctrl));
-                       ctrl->id = id;
+       case ZORAN_MAP_MODE_JPG_REC:
+       case ZORAN_MAP_MODE_JPG_PLAY:
+               if (fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY) {
+                       buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+                       codec_mode = BUZ_MODE_MOTION_DECOMPRESS;
+               } else {
+                       buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+                       codec_mode = BUZ_MODE_MOTION_COMPRESS;
                }
 
-               switch (ctrl->id) {
-               case V4L2_CID_BRIGHTNESS:
-                       strncpy(ctrl->name, "Brightness", sizeof(ctrl->name)-1);
-                       break;
-               case V4L2_CID_CONTRAST:
-                       strncpy(ctrl->name, "Contrast", sizeof(ctrl->name)-1);
-                       break;
-               case V4L2_CID_SATURATION:
-                       strncpy(ctrl->name, "Saturation", sizeof(ctrl->name)-1);
-                       break;
-               case V4L2_CID_HUE:
-                       strncpy(ctrl->name, "Hue", sizeof(ctrl->name)-1);
-                       break;
+               if (buf->type != buf_type) {
+                       dprintk(1, KERN_ERR
+                               "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
+                               ZR_DEVNAME(zr), buf->type, fh->map_mode);
+                       res = -EINVAL;
+                       goto qbuf_unlock_and_return;
                }
 
-               ctrl->minimum = 0;
-               ctrl->maximum = 65535;
-               ctrl->step = 1;
-               ctrl->default_value = 32768;
-               ctrl->type = V4L2_CTRL_TYPE_INTEGER;
-
-               return 0;
-       }
-               break;
-
-       case VIDIOC_G_CTRL:
-       {
-               struct v4l2_control *ctrl = arg;
-
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_G_CTRL - id=%d\n",
-                       ZR_DEVNAME(zr), ctrl->id);
-
-               /* we only support hue/saturation/contrast/brightness */
-               if (ctrl->id < V4L2_CID_BRIGHTNESS ||
-                   ctrl->id > V4L2_CID_HUE)
-                       return -EINVAL;
-
-               mutex_lock(&zr->resource_lock);
-               switch (ctrl->id) {
-               case V4L2_CID_BRIGHTNESS:
-                       ctrl->value = zr->brightness;
-                       break;
-               case V4L2_CID_CONTRAST:
-                       ctrl->value = zr->contrast;
-                       break;
-               case V4L2_CID_SATURATION:
-                       ctrl->value = zr->saturation;
-                       break;
-               case V4L2_CID_HUE:
-                       ctrl->value = zr->hue;
-                       break;
+               res = zoran_jpg_queue_frame(file, buf->index,
+                                       codec_mode);
+               if (res != 0)
+                       goto qbuf_unlock_and_return;
+               if (zr->codec_mode == BUZ_MODE_IDLE &&
+                               fh->jpg_buffers.active == ZORAN_LOCKED) {
+                       zr36057_enable_jpg(zr, codec_mode);
                }
-               mutex_unlock(&zr->resource_lock);
+               break;
 
-               return 0;
-       }
+       default:
+               dprintk(1, KERN_ERR
+                       "%s: VIDIOC_QBUF - unsupported type %d\n",
+                       ZR_DEVNAME(zr), buf->type);
+               res = -EINVAL;
                break;
+       }
+qbuf_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
 
-       case VIDIOC_S_CTRL:
-       {
-               struct v4l2_control *ctrl = arg;
-               struct video_picture pict;
+       return res;
+}
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_S_CTRL - id=%d\n",
-                       ZR_DEVNAME(zr), ctrl->id);
+static int zoran_dqbuf(struct file *file, void *__fh, struct v4l2_buffer *buf)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int res = 0, buf_type, num = -1;        /* compiler borks here (?) */
 
-               /* we only support hue/saturation/contrast/brightness */
-               if (ctrl->id < V4L2_CID_BRIGHTNESS ||
-                   ctrl->id > V4L2_CID_HUE)
-                       return -EINVAL;
+       mutex_lock(&zr->resource_lock);
 
-               if (ctrl->value < 0 || ctrl->value > 65535) {
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_S_CTRL - invalid value %d for id=%d\n",
-                               ZR_DEVNAME(zr), ctrl->value, ctrl->id);
-                       return -EINVAL;
+       switch (fh->map_mode) {
+       case ZORAN_MAP_MODE_RAW:
+               if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+                       dprintk(1, KERN_ERR
+                               "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
+                               ZR_DEVNAME(zr), buf->type, fh->map_mode);
+                       res = -EINVAL;
+                       goto dqbuf_unlock_and_return;
                }
 
-               mutex_lock(&zr->resource_lock);
-               switch (ctrl->id) {
-               case V4L2_CID_BRIGHTNESS:
-                       zr->brightness = ctrl->value;
-                       break;
-               case V4L2_CID_CONTRAST:
-                       zr->contrast = ctrl->value;
-                       break;
-               case V4L2_CID_SATURATION:
-                       zr->saturation = ctrl->value;
-                       break;
-               case V4L2_CID_HUE:
-                       zr->hue = ctrl->value;
-                       break;
+               num = zr->v4l_pend[zr->v4l_sync_tail & V4L_MASK_FRAME];
+               if (file->f_flags & O_NONBLOCK &&
+                   zr->v4l_buffers.buffer[num].state != BUZ_STATE_DONE) {
+                       res = -EAGAIN;
+                       goto dqbuf_unlock_and_return;
                }
-               pict.brightness = zr->brightness;
-               pict.contrast = zr->contrast;
-               pict.colour = zr->saturation;
-               pict.hue = zr->hue;
-
-               decoder_command(zr, DECODER_SET_PICTURE, &pict);
-
-               mutex_unlock(&zr->resource_lock);
-
-               return 0;
-       }
+               res = v4l_sync(file, num);
+               if (res)
+                       goto dqbuf_unlock_and_return;
+               zr->v4l_sync_tail++;
+               res = zoran_v4l2_buffer_status(file, buf, num);
                break;
 
-       case VIDIOC_ENUMSTD:
+       case ZORAN_MAP_MODE_JPG_REC:
+       case ZORAN_MAP_MODE_JPG_PLAY:
        {
-               struct v4l2_standard *std = arg;
+               struct zoran_sync bs;
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_ENUMSTD - index=%d\n",
-                       ZR_DEVNAME(zr), std->index);
+               if (fh->map_mode == ZORAN_MAP_MODE_JPG_PLAY)
+                       buf_type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+               else
+                       buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 
-               if (std->index < 0 || std->index >= (zr->card.norms + 1))
-                       return -EINVAL;
-               else {
-                       int id = std->index;
-                       memset(std, 0, sizeof(*std));
-                       std->index = id;
+               if (buf->type != buf_type) {
+                       dprintk(1, KERN_ERR
+                               "%s: VIDIOC_QBUF - invalid buf->type=%d for map_mode=%d\n",
+                               ZR_DEVNAME(zr), buf->type, fh->map_mode);
+                       res = -EINVAL;
+                       goto dqbuf_unlock_and_return;
                }
 
-               if (std->index == zr->card.norms) {
-                       /* if we have autodetect, ... */
-                       struct video_decoder_capability caps;
-                       decoder_command(zr, DECODER_GET_CAPABILITIES,
-                                       &caps);
-                       if (caps.flags & VIDEO_DECODER_AUTO) {
-                               std->id = V4L2_STD_ALL;
-                               strncpy(std->name, "Autodetect", sizeof(std->name)-1);
-                               return 0;
-                       } else
-                               return -EINVAL;
-               }
-               switch (std->index) {
-               case 0:
-                       std->id = V4L2_STD_PAL;
-                       strncpy(std->name, "PAL", sizeof(std->name)-1);
-                       std->frameperiod.numerator = 1;
-                       std->frameperiod.denominator = 25;
-                       std->framelines = zr->card.tvn[0]->Ht;
-                       break;
-               case 1:
-                       std->id = V4L2_STD_NTSC;
-                       strncpy(std->name, "NTSC", sizeof(std->name)-1);
-                       std->frameperiod.numerator = 1001;
-                       std->frameperiod.denominator = 30000;
-                       std->framelines = zr->card.tvn[1]->Ht;
-                       break;
-               case 2:
-                       std->id = V4L2_STD_SECAM;
-                       strncpy(std->name, "SECAM", sizeof(std->name)-1);
-                       std->frameperiod.numerator = 1;
-                       std->frameperiod.denominator = 25;
-                       std->framelines = zr->card.tvn[2]->Ht;
-                       break;
-               }
+               num = zr->jpg_pend[zr->jpg_que_tail & BUZ_MASK_FRAME];
 
-               return 0;
+               if (file->f_flags & O_NONBLOCK &&
+                   zr->jpg_buffers.buffer[num].state != BUZ_STATE_DONE) {
+                       res = -EAGAIN;
+                       goto dqbuf_unlock_and_return;
+               }
+               res = jpg_sync(file, &bs);
+               if (res)
+                       goto dqbuf_unlock_and_return;
+               res = zoran_v4l2_buffer_status(file, buf, bs.frame);
+               break;
        }
+
+       default:
+               dprintk(1, KERN_ERR
+                       "%s: VIDIOC_DQBUF - unsupported type %d\n",
+                       ZR_DEVNAME(zr), buf->type);
+               res = -EINVAL;
                break;
+       }
+dqbuf_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
 
-       case VIDIOC_G_STD:
-       {
-               v4l2_std_id *std = arg;
-               int norm;
+       return res;
+}
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_G_STD\n", ZR_DEVNAME(zr));
+static int zoran_streamon(struct file *file, void *__fh, enum v4l2_buf_type type)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int res = 0;
 
-               mutex_lock(&zr->resource_lock);
-               norm = zr->norm;
-               mutex_unlock(&zr->resource_lock);
+       mutex_lock(&zr->resource_lock);
 
-               switch (norm) {
-               case VIDEO_MODE_PAL:
-                       *std = V4L2_STD_PAL;
-                       break;
-               case VIDEO_MODE_NTSC:
-                       *std = V4L2_STD_NTSC;
-                       break;
-               case VIDEO_MODE_SECAM:
-                       *std = V4L2_STD_SECAM;
-                       break;
+       switch (fh->map_mode) {
+       case ZORAN_MAP_MODE_RAW:        /* raw capture */
+               if (zr->v4l_buffers.active != ZORAN_ACTIVE ||
+                   fh->v4l_buffers.active != ZORAN_ACTIVE) {
+                       res = -EBUSY;
+                       goto strmon_unlock_and_return;
                }
 
-               return 0;
-       }
+               zr->v4l_buffers.active = fh->v4l_buffers.active = ZORAN_LOCKED;
+               zr->v4l_settings = fh->v4l_settings;
+
+               zr->v4l_sync_tail = zr->v4l_pend_tail;
+               if (!zr->v4l_memgrab_active &&
+                   zr->v4l_pend_head != zr->v4l_pend_tail) {
+                       zr36057_set_memgrab(zr, 1);
+               }
                break;
 
-       case VIDIOC_S_STD:
-       {
-               int norm = -1, res = 0;
-               v4l2_std_id *std = arg;
+       case ZORAN_MAP_MODE_JPG_REC:
+       case ZORAN_MAP_MODE_JPG_PLAY:
+               /* what is the codec mode right now? */
+               if (zr->jpg_buffers.active != ZORAN_ACTIVE ||
+                   fh->jpg_buffers.active != ZORAN_ACTIVE) {
+                       res = -EBUSY;
+                       goto strmon_unlock_and_return;
+               }
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_S_STD - norm=0x%llx\n",
-                       ZR_DEVNAME(zr), (unsigned long long)*std);
+               zr->jpg_buffers.active = fh->jpg_buffers.active = ZORAN_LOCKED;
 
-               if ((*std & V4L2_STD_PAL) && !(*std & ~V4L2_STD_PAL))
-                       norm = VIDEO_MODE_PAL;
-               else if ((*std & V4L2_STD_NTSC) && !(*std & ~V4L2_STD_NTSC))
-                       norm = VIDEO_MODE_NTSC;
-               else if ((*std & V4L2_STD_SECAM) && !(*std & ~V4L2_STD_SECAM))
-                       norm = VIDEO_MODE_SECAM;
-               else if (*std == V4L2_STD_ALL)
-                       norm = VIDEO_MODE_AUTO;
-               else {
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_S_STD - invalid norm 0x%llx\n",
-                               ZR_DEVNAME(zr), (unsigned long long)*std);
-                       return -EINVAL;
+               if (zr->jpg_que_head != zr->jpg_que_tail) {
+                       /* Start the jpeg codec when the first frame is queued  */
+                       jpeg_start(zr);
                }
+               break;
 
-               mutex_lock(&zr->resource_lock);
-               if ((res = zoran_set_norm(zr, norm)))
-                       goto sstd_unlock_and_return;
-
-               res = wait_grab_pending(zr);
-       sstd_unlock_and_return:
-               mutex_unlock(&zr->resource_lock);
-               return res;
-       }
+       default:
+               dprintk(1,
+                       KERN_ERR
+                       "%s: VIDIOC_STREAMON - invalid map mode %d\n",
+                       ZR_DEVNAME(zr), fh->map_mode);
+               res = -EINVAL;
                break;
+       }
+strmon_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
 
-       case VIDIOC_ENUMINPUT:
-       {
-               struct v4l2_input *inp = arg;
-               int status;
+       return res;
+}
+
+static int zoran_streamoff(struct file *file, void *__fh, enum v4l2_buf_type type)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int i, res = 0;
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_ENUMINPUT - index=%d\n",
-                       ZR_DEVNAME(zr), inp->index);
+       mutex_lock(&zr->resource_lock);
 
-               if (inp->index < 0 || inp->index >= zr->card.inputs)
-                       return -EINVAL;
-               else {
-                       int id = inp->index;
-                       memset(inp, 0, sizeof(*inp));
-                       inp->index = id;
+       switch (fh->map_mode) {
+       case ZORAN_MAP_MODE_RAW:        /* raw capture */
+               if (fh->v4l_buffers.active == ZORAN_FREE &&
+                   zr->v4l_buffers.active != ZORAN_FREE) {
+                       res = -EPERM;   /* stay off other's settings! */
+                       goto strmoff_unlock_and_return;
                }
+               if (zr->v4l_buffers.active == ZORAN_FREE)
+                       goto strmoff_unlock_and_return;
 
-               strncpy(inp->name, zr->card.input[inp->index].name,
-                       sizeof(inp->name) - 1);
-               inp->type = V4L2_INPUT_TYPE_CAMERA;
-               inp->std = V4L2_STD_ALL;
-
-               /* Get status of video decoder */
-               mutex_lock(&zr->resource_lock);
-               decoder_command(zr, DECODER_GET_STATUS, &status);
-               mutex_unlock(&zr->resource_lock);
+               /* unload capture */
+               if (zr->v4l_memgrab_active) {
+                       unsigned long flags;
 
-               if (!(status & DECODER_STATUS_GOOD)) {
-                       inp->status |= V4L2_IN_ST_NO_POWER;
-                       inp->status |= V4L2_IN_ST_NO_SIGNAL;
+                       spin_lock_irqsave(&zr->spinlock, flags);
+                       zr36057_set_memgrab(zr, 0);
+                       spin_unlock_irqrestore(&zr->spinlock, flags);
                }
-               if (!(status & DECODER_STATUS_COLOR))
-                       inp->status |= V4L2_IN_ST_NO_COLOR;
 
-               return 0;
-       }
-               break;
+               for (i = 0; i < fh->v4l_buffers.num_buffers; i++)
+                       zr->v4l_buffers.buffer[i].state = BUZ_STATE_USER;
+               fh->v4l_buffers = zr->v4l_buffers;
 
-       case VIDIOC_G_INPUT:
-       {
-               int *input = arg;
+               zr->v4l_buffers.active = fh->v4l_buffers.active = ZORAN_FREE;
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_G_INPUT\n", ZR_DEVNAME(zr));
+               zr->v4l_grab_seq = 0;
+               zr->v4l_pend_head = zr->v4l_pend_tail = 0;
+               zr->v4l_sync_tail = 0;
 
-               mutex_lock(&zr->resource_lock);
-               *input = zr->input;
-               mutex_unlock(&zr->resource_lock);
+               break;
 
-               return 0;
-       }
+       case ZORAN_MAP_MODE_JPG_REC:
+       case ZORAN_MAP_MODE_JPG_PLAY:
+               if (fh->jpg_buffers.active == ZORAN_FREE &&
+                   zr->jpg_buffers.active != ZORAN_FREE) {
+                       res = -EPERM;   /* stay off other's settings! */
+                       goto strmoff_unlock_and_return;
+               }
+               if (zr->jpg_buffers.active == ZORAN_FREE)
+                       goto strmoff_unlock_and_return;
+
+               res = jpg_qbuf(file, -1,
+                            (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) ?
+                            BUZ_MODE_MOTION_COMPRESS :
+                            BUZ_MODE_MOTION_DECOMPRESS);
+               if (res)
+                       goto strmoff_unlock_and_return;
+               break;
+       default:
+               dprintk(1, KERN_ERR
+                       "%s: VIDIOC_STREAMOFF - invalid map mode %d\n",
+                       ZR_DEVNAME(zr), fh->map_mode);
+               res = -EINVAL;
                break;
+       }
+strmoff_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
 
-       case VIDIOC_S_INPUT:
-       {
-               int *input = arg, res = 0;
-
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_S_INPUT - input=%d\n",
-                       ZR_DEVNAME(zr), *input);
-
-               mutex_lock(&zr->resource_lock);
-               if ((res = zoran_set_input(zr, *input)))
-                       goto sinput_unlock_and_return;
+       return res;
+}
 
-               /* Make sure the changes come into effect */
-               res = wait_grab_pending(zr);
-       sinput_unlock_and_return:
-               mutex_unlock(&zr->resource_lock);
-               return res;
+static int zoran_queryctrl(struct file *file, void *__fh,
+                                       struct v4l2_queryctrl *ctrl)
+{
+       /* we only support hue/saturation/contrast/brightness */
+       if (ctrl->id < V4L2_CID_BRIGHTNESS ||
+           ctrl->id > V4L2_CID_HUE)
+               return -EINVAL;
+       else {
+               int id = ctrl->id;
+               memset(ctrl, 0, sizeof(*ctrl));
+               ctrl->id = id;
        }
+
+       switch (ctrl->id) {
+       case V4L2_CID_BRIGHTNESS:
+               strncpy(ctrl->name, "Brightness", sizeof(ctrl->name)-1);
+               break;
+       case V4L2_CID_CONTRAST:
+               strncpy(ctrl->name, "Contrast", sizeof(ctrl->name)-1);
+               break;
+       case V4L2_CID_SATURATION:
+               strncpy(ctrl->name, "Saturation", sizeof(ctrl->name)-1);
                break;
+       case V4L2_CID_HUE:
+               strncpy(ctrl->name, "Hue", sizeof(ctrl->name)-1);
+               break;
+       }
 
-       case VIDIOC_ENUMOUTPUT:
-       {
-               struct v4l2_output *outp = arg;
+       ctrl->minimum = 0;
+       ctrl->maximum = 65535;
+       ctrl->step = 1;
+       ctrl->default_value = 32768;
+       ctrl->type = V4L2_CTRL_TYPE_INTEGER;
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_ENUMOUTPUT - index=%d\n",
-                       ZR_DEVNAME(zr), outp->index);
+       return 0;
+}
 
-               if (outp->index != 0)
-                       return -EINVAL;
+static int zoran_g_ctrl(struct file *file, void *__fh, struct v4l2_control *ctrl)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
 
-               memset(outp, 0, sizeof(*outp));
-               outp->index = 0;
-               outp->type = V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY;
-               strncpy(outp->name, "Autodetect", sizeof(outp->name)-1);
+       /* we only support hue/saturation/contrast/brightness */
+       if (ctrl->id < V4L2_CID_BRIGHTNESS ||
+           ctrl->id > V4L2_CID_HUE)
+               return -EINVAL;
 
-               return 0;
-       }
+       mutex_lock(&zr->resource_lock);
+       switch (ctrl->id) {
+       case V4L2_CID_BRIGHTNESS:
+               ctrl->value = zr->brightness;
                break;
+       case V4L2_CID_CONTRAST:
+               ctrl->value = zr->contrast;
+               break;
+       case V4L2_CID_SATURATION:
+               ctrl->value = zr->saturation;
+               break;
+       case V4L2_CID_HUE:
+               ctrl->value = zr->hue;
+               break;
+       }
+       mutex_unlock(&zr->resource_lock);
 
-       case VIDIOC_G_OUTPUT:
-       {
-               int *output = arg;
+       return 0;
+}
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_G_OUTPUT\n", ZR_DEVNAME(zr));
+static int zoran_s_ctrl(struct file *file, void *__fh, struct v4l2_control *ctrl)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       struct video_picture pict;
 
-               *output = 0;
+       /* we only support hue/saturation/contrast/brightness */
+       if (ctrl->id < V4L2_CID_BRIGHTNESS ||
+           ctrl->id > V4L2_CID_HUE)
+               return -EINVAL;
 
-               return 0;
+       if (ctrl->value < 0 || ctrl->value > 65535) {
+               dprintk(1, KERN_ERR
+                       "%s: VIDIOC_S_CTRL - invalid value %d for id=%d\n",
+                       ZR_DEVNAME(zr), ctrl->value, ctrl->id);
+               return -EINVAL;
        }
+
+       mutex_lock(&zr->resource_lock);
+       switch (ctrl->id) {
+       case V4L2_CID_BRIGHTNESS:
+               zr->brightness = ctrl->value;
+               break;
+       case V4L2_CID_CONTRAST:
+               zr->contrast = ctrl->value;
                break;
+       case V4L2_CID_SATURATION:
+               zr->saturation = ctrl->value;
+               break;
+       case V4L2_CID_HUE:
+               zr->hue = ctrl->value;
+               break;
+       }
+       pict.brightness = zr->brightness;
+       pict.contrast = zr->contrast;
+       pict.colour = zr->saturation;
+       pict.hue = zr->hue;
 
-       case VIDIOC_S_OUTPUT:
-       {
-               int *output = arg;
+       decoder_command(zr, DECODER_SET_PICTURE, &pict);
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_S_OUTPUT - output=%d\n",
-                       ZR_DEVNAME(zr), *output);
+       mutex_unlock(&zr->resource_lock);
 
-               if (*output != 0)
-                       return -EINVAL;
+       return 0;
+}
 
-               return 0;
-       }
+static int zoran_g_std(struct file *file, void *__fh, v4l2_std_id *std)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int norm;
+
+       mutex_lock(&zr->resource_lock);
+       norm = zr->norm;
+       mutex_unlock(&zr->resource_lock);
+
+       switch (norm) {
+       case VIDEO_MODE_PAL:
+               *std = V4L2_STD_PAL;
                break;
+       case VIDEO_MODE_NTSC:
+               *std = V4L2_STD_NTSC;
+               break;
+       case VIDEO_MODE_SECAM:
+               *std = V4L2_STD_SECAM;
+               break;
+       }
 
-               /* cropping (sub-frame capture) */
-       case VIDIOC_CROPCAP:
-       {
-               struct v4l2_cropcap *cropcap = arg;
-               int type = cropcap->type, res = 0;
+       return 0;
+}
 
-               dprintk(3, KERN_ERR "%s: VIDIOC_CROPCAP - type=%d\n",
-                       ZR_DEVNAME(zr), cropcap->type);
+static int zoran_s_std(struct file *file, void *__fh, v4l2_std_id *std)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int norm = -1, res = 0;
+
+       if ((*std & V4L2_STD_PAL) && !(*std & ~V4L2_STD_PAL))
+               norm = VIDEO_MODE_PAL;
+       else if ((*std & V4L2_STD_NTSC) && !(*std & ~V4L2_STD_NTSC))
+               norm = VIDEO_MODE_NTSC;
+       else if ((*std & V4L2_STD_SECAM) && !(*std & ~V4L2_STD_SECAM))
+               norm = VIDEO_MODE_SECAM;
+       else if (*std == V4L2_STD_ALL)
+               norm = VIDEO_MODE_AUTO;
+       else {
+               dprintk(1, KERN_ERR
+                       "%s: VIDIOC_S_STD - invalid norm 0x%llx\n",
+                       ZR_DEVNAME(zr), (unsigned long long)*std);
+               return -EINVAL;
+       }
 
-               memset(cropcap, 0, sizeof(*cropcap));
-               cropcap->type = type;
+       mutex_lock(&zr->resource_lock);
+       res = zoran_set_norm(zr, norm);
+       if (res)
+               goto sstd_unlock_and_return;
 
-               mutex_lock(&zr->resource_lock);
+       res = wait_grab_pending(zr);
+sstd_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
+       return res;
+}
 
-               if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
-                   (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
-                    fh->map_mode == ZORAN_MAP_MODE_RAW)) {
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_CROPCAP - subcapture only supported for compressed capture\n",
-                               ZR_DEVNAME(zr));
-                       res = -EINVAL;
-                       goto cropcap_unlock_and_return;
-               }
+static int zoran_enum_input(struct file *file, void *__fh,
+                                struct v4l2_input *inp)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int status;
 
-               cropcap->bounds.top = cropcap->bounds.left = 0;
-               cropcap->bounds.width = BUZ_MAX_WIDTH;
-               cropcap->bounds.height = BUZ_MAX_HEIGHT;
-               cropcap->defrect.top = cropcap->defrect.left = 0;
-               cropcap->defrect.width = BUZ_MIN_WIDTH;
-               cropcap->defrect.height = BUZ_MIN_HEIGHT;
-       cropcap_unlock_and_return:
-               mutex_unlock(&zr->resource_lock);
-               return res;
+       if (inp->index < 0 || inp->index >= zr->card.inputs)
+               return -EINVAL;
+       else {
+               int id = inp->index;
+               memset(inp, 0, sizeof(*inp));
+               inp->index = id;
        }
-               break;
 
-       case VIDIOC_G_CROP:
-       {
-               struct v4l2_crop *crop = arg;
-               int type = crop->type, res = 0;
+       strncpy(inp->name, zr->card.input[inp->index].name,
+               sizeof(inp->name) - 1);
+       inp->type = V4L2_INPUT_TYPE_CAMERA;
+       inp->std = V4L2_STD_ALL;
 
-               dprintk(3, KERN_ERR "%s: VIDIOC_G_CROP - type=%d\n",
-                       ZR_DEVNAME(zr), crop->type);
+       /* Get status of video decoder */
+       mutex_lock(&zr->resource_lock);
+       decoder_command(zr, DECODER_GET_STATUS, &status);
+       mutex_unlock(&zr->resource_lock);
 
-               memset(crop, 0, sizeof(*crop));
-               crop->type = type;
+       if (!(status & DECODER_STATUS_GOOD)) {
+               inp->status |= V4L2_IN_ST_NO_POWER;
+               inp->status |= V4L2_IN_ST_NO_SIGNAL;
+       }
+       if (!(status & DECODER_STATUS_COLOR))
+               inp->status |= V4L2_IN_ST_NO_COLOR;
 
-               mutex_lock(&zr->resource_lock);
+       return 0;
+}
 
-               if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
-                   (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
-                    fh->map_mode == ZORAN_MAP_MODE_RAW)) {
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_G_CROP - subcapture only supported for compressed capture\n",
-                               ZR_DEVNAME(zr));
-                       res = -EINVAL;
-                       goto gcrop_unlock_and_return;
-               }
+static int zoran_g_input(struct file *file, void *__fh, unsigned int *input)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
 
-               crop->c.top = fh->jpg_settings.img_y;
-               crop->c.left = fh->jpg_settings.img_x;
-               crop->c.width = fh->jpg_settings.img_width;
-               crop->c.height = fh->jpg_settings.img_height;
+       mutex_lock(&zr->resource_lock);
+       *input = zr->input;
+       mutex_unlock(&zr->resource_lock);
 
-       gcrop_unlock_and_return:
-               mutex_unlock(&zr->resource_lock);
+       return 0;
+}
 
-               return res;
-       }
-               break;
+static int zoran_s_input(struct file *file, void *__fh, unsigned int input)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int res;
 
-       case VIDIOC_S_CROP:
-       {
-               struct v4l2_crop *crop = arg;
-               int res = 0;
+       mutex_lock(&zr->resource_lock);
+       res = zoran_set_input(zr, input);
+       if (res)
+               goto sinput_unlock_and_return;
 
-               settings = fh->jpg_settings;
+       /* Make sure the changes come into effect */
+       res = wait_grab_pending(zr);
+sinput_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
+       return res;
+}
 
-               dprintk(3,
-                       KERN_ERR
-                       "%s: VIDIOC_S_CROP - type=%d, x=%d,y=%d,w=%d,h=%d\n",
-                       ZR_DEVNAME(zr), crop->type, crop->c.left, crop->c.top,
-                       crop->c.width, crop->c.height);
+static int zoran_enum_output(struct file *file, void *__fh,
+                                 struct v4l2_output *outp)
+{
+       if (outp->index != 0)
+               return -EINVAL;
 
-               mutex_lock(&zr->resource_lock);
+       memset(outp, 0, sizeof(*outp));
+       outp->index = 0;
+       outp->type = V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY;
+       strncpy(outp->name, "Autodetect", sizeof(outp->name)-1);
 
-               if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) {
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_S_CROP - cannot change settings while active\n",
-                               ZR_DEVNAME(zr));
-                       res = -EBUSY;
-                       goto scrop_unlock_and_return;
-               }
+       return 0;
+}
 
-               if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
-                   (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
-                    fh->map_mode == ZORAN_MAP_MODE_RAW)) {
-                       dprintk(1,
-                               KERN_ERR
-                               "%s: VIDIOC_G_CROP - subcapture only supported for compressed capture\n",
-                               ZR_DEVNAME(zr));
-                       res = -EINVAL;
-                       goto scrop_unlock_and_return;
-               }
+static int zoran_g_output(struct file *file, void *__fh, unsigned int *output)
+{
+       *output = 0;
+
+       return 0;
+}
 
-               /* move into a form that we understand */
-               settings.img_x = crop->c.left;
-               settings.img_y = crop->c.top;
-               settings.img_width = crop->c.width;
-               settings.img_height = crop->c.height;
+static int zoran_s_output(struct file *file, void *__fh, unsigned int output)
+{
+       if (output != 0)
+               return -EINVAL;
 
-               /* check validity */
-               if ((res = zoran_check_jpg_settings(zr, &settings)))
-                       goto scrop_unlock_and_return;
+       return 0;
+}
 
-               /* accept */
-               fh->jpg_settings = settings;
+/* cropping (sub-frame capture) */
+static int zoran_cropcap(struct file *file, void *__fh,
+                                       struct v4l2_cropcap *cropcap)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int type = cropcap->type, res = 0;
 
-       scrop_unlock_and_return:
-               mutex_unlock(&zr->resource_lock);
-               return res;
-       }
-               break;
+       memset(cropcap, 0, sizeof(*cropcap));
+       cropcap->type = type;
 
-       case VIDIOC_G_JPEGCOMP:
-       {
-               struct v4l2_jpegcompression *params = arg;
+       mutex_lock(&zr->resource_lock);
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_G_JPEGCOMP\n",
+       if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
+           (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+            fh->map_mode == ZORAN_MAP_MODE_RAW)) {
+               dprintk(1, KERN_ERR
+                       "%s: VIDIOC_CROPCAP - subcapture only supported for compressed capture\n",
                        ZR_DEVNAME(zr));
+               res = -EINVAL;
+               goto cropcap_unlock_and_return;
+       }
 
-               memset(params, 0, sizeof(*params));
+       cropcap->bounds.top = cropcap->bounds.left = 0;
+       cropcap->bounds.width = BUZ_MAX_WIDTH;
+       cropcap->bounds.height = BUZ_MAX_HEIGHT;
+       cropcap->defrect.top = cropcap->defrect.left = 0;
+       cropcap->defrect.width = BUZ_MIN_WIDTH;
+       cropcap->defrect.height = BUZ_MIN_HEIGHT;
+cropcap_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
+       return res;
+}
 
-               mutex_lock(&zr->resource_lock);
+static int zoran_g_crop(struct file *file, void *__fh, struct v4l2_crop *crop)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int type = crop->type, res = 0;
 
-               params->quality = fh->jpg_settings.jpg_comp.quality;
-               params->APPn = fh->jpg_settings.jpg_comp.APPn;
-               memcpy(params->APP_data,
-                      fh->jpg_settings.jpg_comp.APP_data,
-                      fh->jpg_settings.jpg_comp.APP_len);
-               params->APP_len = fh->jpg_settings.jpg_comp.APP_len;
-               memcpy(params->COM_data,
-                      fh->jpg_settings.jpg_comp.COM_data,
-                      fh->jpg_settings.jpg_comp.COM_len);
-               params->COM_len = fh->jpg_settings.jpg_comp.COM_len;
-               params->jpeg_markers =
-                   fh->jpg_settings.jpg_comp.jpeg_markers;
+       memset(crop, 0, sizeof(*crop));
+       crop->type = type;
 
-               mutex_unlock(&zr->resource_lock);
+       mutex_lock(&zr->resource_lock);
 
-               return 0;
+       if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
+           (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+            fh->map_mode == ZORAN_MAP_MODE_RAW)) {
+               dprintk(1,
+                       KERN_ERR
+                       "%s: VIDIOC_G_CROP - subcapture only supported for compressed capture\n",
+                       ZR_DEVNAME(zr));
+               res = -EINVAL;
+               goto gcrop_unlock_and_return;
        }
-               break;
-
-       case VIDIOC_S_JPEGCOMP:
-       {
-               struct v4l2_jpegcompression *params = arg;
-               int res = 0;
 
-               settings = fh->jpg_settings;
+       crop->c.top = fh->jpg_settings.img_y;
+       crop->c.left = fh->jpg_settings.img_x;
+       crop->c.width = fh->jpg_settings.img_width;
+       crop->c.height = fh->jpg_settings.img_height;
 
-               dprintk(3,
-                       KERN_DEBUG
-                       "%s: VIDIOC_S_JPEGCOMP - quality=%d, APPN=%d, APP_len=%d, COM_len=%d\n",
-                       ZR_DEVNAME(zr), params->quality, params->APPn,
-                       params->APP_len, params->COM_len);
+gcrop_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
 
-               settings.jpg_comp = *params;
+       return res;
+}
 
-               mutex_lock(&zr->resource_lock);
+static int zoran_s_crop(struct file *file, void *__fh, struct v4l2_crop *crop)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int res = 0;
+       struct zoran_jpg_settings settings;
 
-               if (fh->v4l_buffers.active != ZORAN_FREE ||
-                   fh->jpg_buffers.active != ZORAN_FREE) {
-                       dprintk(1,
-                               KERN_WARNING
-                               "%s: VIDIOC_S_JPEGCOMP called while in playback/capture mode\n",
-                               ZR_DEVNAME(zr));
-                       res = -EBUSY;
-                       goto sjpegc_unlock_and_return;
-               }
+       settings = fh->jpg_settings;
 
-               if ((res = zoran_check_jpg_settings(zr, &settings)))
-                       goto sjpegc_unlock_and_return;
-               if (!fh->jpg_buffers.allocated)
-                       fh->jpg_buffers.buffer_size =
-                           zoran_v4l2_calc_bufsize(&fh->jpg_settings);
-               fh->jpg_settings.jpg_comp = *params = settings.jpg_comp;
-       sjpegc_unlock_and_return:
-               mutex_unlock(&zr->resource_lock);
+       mutex_lock(&zr->resource_lock);
 
-               return 0;
+       if (fh->jpg_buffers.allocated || fh->v4l_buffers.allocated) {
+               dprintk(1, KERN_ERR
+                       "%s: VIDIOC_S_CROP - cannot change settings while active\n",
+                       ZR_DEVNAME(zr));
+               res = -EBUSY;
+               goto scrop_unlock_and_return;
        }
-               break;
 
-       case VIDIOC_QUERYSTD:   /* why is this useful? */
-       {
-               v4l2_std_id *std = arg;
+       if (crop->type != V4L2_BUF_TYPE_VIDEO_OUTPUT &&
+           (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
+            fh->map_mode == ZORAN_MAP_MODE_RAW)) {
+               dprintk(1, KERN_ERR
+                       "%s: VIDIOC_G_CROP - subcapture only supported for compressed capture\n",
+                       ZR_DEVNAME(zr));
+               res = -EINVAL;
+               goto scrop_unlock_and_return;
+       }
 
-               dprintk(3,
-                       KERN_DEBUG "%s: VIDIOC_QUERY_STD - std=0x%llx\n",
-                       ZR_DEVNAME(zr), (unsigned long long)*std);
+       /* move into a form that we understand */
+       settings.img_x = crop->c.left;
+       settings.img_y = crop->c.top;
+       settings.img_width = crop->c.width;
+       settings.img_height = crop->c.height;
 
-               if (*std == V4L2_STD_ALL || *std == V4L2_STD_NTSC ||
-                   *std == V4L2_STD_PAL || (*std == V4L2_STD_SECAM &&
-                                            zr->card.norms == 3)) {
-                       return 0;
-               }
+       /* check validity */
+       res = zoran_check_jpg_settings(zr, &settings);
+       if (res)
+               goto scrop_unlock_and_return;
 
-               return -EINVAL;
-       }
-               break;
+       /* accept */
+       fh->jpg_settings = settings;
 
-       case VIDIOC_TRY_FMT:
-       {
-               struct v4l2_format *fmt = arg;
-               int res = 0;
+scrop_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
+       return res;
+}
 
-               dprintk(3, KERN_DEBUG "%s: VIDIOC_TRY_FMT - type=%d\n",
-                       ZR_DEVNAME(zr), fmt->type);
+static int zoran_g_jpegcomp(struct file *file, void *__fh,
+                                       struct v4l2_jpegcompression *params)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       memset(params, 0, sizeof(*params));
 
-               switch (fmt->type) {
-               case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-                       mutex_lock(&zr->resource_lock);
+       mutex_lock(&zr->resource_lock);
 
-                       if (fmt->fmt.win.w.width > BUZ_MAX_WIDTH)
-                               fmt->fmt.win.w.width = BUZ_MAX_WIDTH;
-                       if (fmt->fmt.win.w.width < BUZ_MIN_WIDTH)
-                               fmt->fmt.win.w.width = BUZ_MIN_WIDTH;
-                       if (fmt->fmt.win.w.height > BUZ_MAX_HEIGHT)
-                               fmt->fmt.win.w.height = BUZ_MAX_HEIGHT;
-                       if (fmt->fmt.win.w.height < BUZ_MIN_HEIGHT)
-                               fmt->fmt.win.w.height = BUZ_MIN_HEIGHT;
+       params->quality = fh->jpg_settings.jpg_comp.quality;
+       params->APPn = fh->jpg_settings.jpg_comp.APPn;
+       memcpy(params->APP_data,
+              fh->jpg_settings.jpg_comp.APP_data,
+              fh->jpg_settings.jpg_comp.APP_len);
+       params->APP_len = fh->jpg_settings.jpg_comp.APP_len;
+       memcpy(params->COM_data,
+              fh->jpg_settings.jpg_comp.COM_data,
+              fh->jpg_settings.jpg_comp.COM_len);
+       params->COM_len = fh->jpg_settings.jpg_comp.COM_len;
+       params->jpeg_markers =
+           fh->jpg_settings.jpg_comp.jpeg_markers;
 
-                       mutex_unlock(&zr->resource_lock);
-                       break;
+       mutex_unlock(&zr->resource_lock);
 
-               case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-               case V4L2_BUF_TYPE_VIDEO_OUTPUT:
-                       if (fmt->fmt.pix.bytesperline > 0)
-                               return -EINVAL;
+       return 0;
+}
 
-                       mutex_lock(&zr->resource_lock);
-
-                       if (fmt->fmt.pix.pixelformat == V4L2_PIX_FMT_MJPEG) {
-                               settings = fh->jpg_settings;
-
-                               /* we actually need to set 'real' parameters now */
-                               if ((fmt->fmt.pix.height * 2) >
-                                   BUZ_MAX_HEIGHT)
-                                       settings.TmpDcm = 1;
-                               else
-                                       settings.TmpDcm = 2;
-                               settings.decimation = 0;
-                               if (fmt->fmt.pix.height <=
-                                   fh->jpg_settings.img_height / 2)
-                                       settings.VerDcm = 2;
-                               else
-                                       settings.VerDcm = 1;
-                               if (fmt->fmt.pix.width <=
-                                   fh->jpg_settings.img_width / 4)
-                                       settings.HorDcm = 4;
-                               else if (fmt->fmt.pix.width <=
-                                        fh->jpg_settings.img_width / 2)
-                                       settings.HorDcm = 2;
-                               else
-                                       settings.HorDcm = 1;
-                               if (settings.TmpDcm == 1)
-                                       settings.field_per_buff = 2;
-                               else
-                                       settings.field_per_buff = 1;
-
-                               /* check */
-                               if ((res =
-                                    zoran_check_jpg_settings(zr,
-                                                             &settings)))
-                                       goto tryfmt_unlock_and_return;
-
-                               /* tell the user what we actually did */
-                               fmt->fmt.pix.width =
-                                   settings.img_width / settings.HorDcm;
-                               fmt->fmt.pix.height =
-                                   settings.img_height * 2 /
-                                   (settings.TmpDcm * settings.VerDcm);
-                               if (settings.TmpDcm == 1)
-                                       fmt->fmt.pix.field =
-                                           (fh->jpg_settings.
-                                            odd_even ? V4L2_FIELD_SEQ_TB :
-                                            V4L2_FIELD_SEQ_BT);
-                               else
-                                       fmt->fmt.pix.field =
-                                           (fh->jpg_settings.
-                                            odd_even ? V4L2_FIELD_TOP :
-                                            V4L2_FIELD_BOTTOM);
-
-                               fmt->fmt.pix.sizeimage =
-                                   zoran_v4l2_calc_bufsize(&settings);
-                       } else if (fmt->type ==
-                                  V4L2_BUF_TYPE_VIDEO_CAPTURE) {
-                               int i;
-
-                               for (i = 0; i < NUM_FORMATS; i++)
-                                       if (zoran_formats[i].fourcc ==
-                                           fmt->fmt.pix.pixelformat)
-                                               break;
-                               if (i == NUM_FORMATS) {
-                                       res = -EINVAL;
-                                       goto tryfmt_unlock_and_return;
-                               }
+static int zoran_s_jpegcomp(struct file *file, void *__fh,
+                                       struct v4l2_jpegcompression *params)
+{
+       struct zoran_fh *fh = __fh;
+       struct zoran *zr = fh->zr;
+       int res = 0;
+       struct zoran_jpg_settings settings;
 
-                               if (fmt->fmt.pix.width > BUZ_MAX_WIDTH)
-                                       fmt->fmt.pix.width = BUZ_MAX_WIDTH;
-                               if (fmt->fmt.pix.width < BUZ_MIN_WIDTH)
-                                       fmt->fmt.pix.width = BUZ_MIN_WIDTH;
-                               if (fmt->fmt.pix.height > BUZ_MAX_HEIGHT)
-                                       fmt->fmt.pix.height =
-                                           BUZ_MAX_HEIGHT;
-                               if (fmt->fmt.pix.height < BUZ_MIN_HEIGHT)
-                                       fmt->fmt.pix.height =
-                                           BUZ_MIN_HEIGHT;
-                       } else {
-                               res = -EINVAL;
-                               goto tryfmt_unlock_and_return;
-                       }
-               tryfmt_unlock_and_return:
-                       mutex_unlock(&zr->resource_lock);
+       settings = fh->jpg_settings;
 
-                       return res;
-                       break;
+       settings.jpg_comp = *params;
 
-               default:
-                       return -EINVAL;
-               }
+       mutex_lock(&zr->resource_lock);
 
-               return 0;
+       if (fh->v4l_buffers.active != ZORAN_FREE ||
+           fh->jpg_buffers.active != ZORAN_FREE) {
+               dprintk(1, KERN_WARNING
+                       "%s: VIDIOC_S_JPEGCOMP called while in playback/capture mode\n",
+                       ZR_DEVNAME(zr));
+               res = -EBUSY;
+               goto sjpegc_unlock_and_return;
        }
-               break;
 
-       default:
-               dprintk(1, KERN_DEBUG "%s: UNKNOWN ioctl cmd: 0x%x\n",
-                       ZR_DEVNAME(zr), cmd);
-               return -ENOIOCTLCMD;
-               break;
+       res = zoran_check_jpg_settings(zr, &settings);
+       if (res)
+               goto sjpegc_unlock_and_return;
+       if (!fh->jpg_buffers.allocated)
+               fh->jpg_buffers.buffer_size =
+                   zoran_v4l2_calc_bufsize(&fh->jpg_settings);
+       fh->jpg_settings.jpg_comp = *params = settings.jpg_comp;
+sjpegc_unlock_and_return:
+       mutex_unlock(&zr->resource_lock);
 
-       }
        return 0;
 }
 
-
-static long
-zoran_ioctl(struct file  *file,
-           unsigned int  cmd,
-           unsigned long arg)
-{
-       return video_usercopy(file, cmd, arg, zoran_do_ioctl);
-}
-
 static unsigned int
 zoran_poll (struct file *file,
            poll_table  *wait)
@@ -4300,10 +3933,7 @@ zoran_vm_close (struct vm_area_struct *vma)
                                            fh->jpg_buffers.active =
                                            ZORAN_FREE;
                                }
-                               //jpg_fbuffer_free(file);
-                               fh->jpg_buffers.allocated = 0;
-                               fh->jpg_buffers.ready_to_be_freed = 1;
-
+                               jpg_fbuffer_free(file);
                                mutex_unlock(&zr->resource_lock);
                        }
 
@@ -4340,10 +3970,7 @@ zoran_vm_close (struct vm_area_struct *vma)
                                            ZORAN_FREE;
                                        spin_unlock_irqrestore(&zr->spinlock, flags);
                                }
-                               //v4l_fbuffer_free(file);
-                               fh->v4l_buffers.allocated = 0;
-                               fh->v4l_buffers.ready_to_be_freed = 1;
-
+                               v4l_fbuffer_free(file);
                                mutex_unlock(&zr->resource_lock);
                        }
 
@@ -4582,11 +4209,53 @@ zoran_mmap (struct file           *file,
        return 0;
 }
 
+static const struct v4l2_ioctl_ops zoran_ioctl_ops = {
+       .vidioc_querycap                    = zoran_querycap,
+       .vidioc_cropcap                     = zoran_cropcap,
+       .vidioc_s_crop                      = zoran_s_crop,
+       .vidioc_g_crop                      = zoran_g_crop,
+       .vidioc_enum_input                  = zoran_enum_input,
+       .vidioc_g_input                     = zoran_g_input,
+       .vidioc_s_input                     = zoran_s_input,
+       .vidioc_enum_output                 = zoran_enum_output,
+       .vidioc_g_output                    = zoran_g_output,
+       .vidioc_s_output                    = zoran_s_output,
+       .vidioc_g_fbuf                      = zoran_g_fbuf,
+       .vidioc_s_fbuf                      = zoran_s_fbuf,
+       .vidioc_g_std                       = zoran_g_std,
+       .vidioc_s_std                       = zoran_s_std,
+       .vidioc_g_jpegcomp                  = zoran_g_jpegcomp,
+       .vidioc_s_jpegcomp                  = zoran_s_jpegcomp,
+       .vidioc_overlay                     = zoran_overlay,
+       .vidioc_reqbufs                     = zoran_reqbufs,
+       .vidioc_querybuf                    = zoran_querybuf,
+       .vidioc_qbuf                        = zoran_qbuf,
+       .vidioc_dqbuf                       = zoran_dqbuf,
+       .vidioc_streamon                    = zoran_streamon,
+       .vidioc_streamoff                   = zoran_streamoff,
+       .vidioc_enum_fmt_vid_cap            = zoran_enum_fmt_vid_cap,
+       .vidioc_enum_fmt_vid_out            = zoran_enum_fmt_vid_out,
+       .vidioc_enum_fmt_vid_overlay        = zoran_enum_fmt_vid_overlay,
+       .vidioc_g_fmt_vid_cap               = zoran_g_fmt_vid_cap,
+       .vidioc_g_fmt_vid_out               = zoran_g_fmt_vid_out,
+       .vidioc_g_fmt_vid_overlay           = zoran_g_fmt_vid_overlay,
+       .vidioc_s_fmt_vid_cap               = zoran_s_fmt_vid_cap,
+       .vidioc_s_fmt_vid_out               = zoran_s_fmt_vid_out,
+       .vidioc_s_fmt_vid_overlay           = zoran_s_fmt_vid_overlay,
+       .vidioc_try_fmt_vid_cap             = zoran_try_fmt_vid_cap,
+       .vidioc_try_fmt_vid_out             = zoran_try_fmt_vid_out,
+       .vidioc_try_fmt_vid_overlay         = zoran_try_fmt_vid_overlay,
+       .vidioc_queryctrl                   = zoran_queryctrl,
+       .vidioc_s_ctrl                      = zoran_s_ctrl,
+       .vidioc_g_ctrl                      = zoran_g_ctrl,
+       .vidioc_default                     = zoran_default,
+};
+
 static const struct v4l2_file_operations zoran_fops = {
        .owner = THIS_MODULE,
        .open = zoran_open,
        .release = zoran_close,
-       .ioctl = zoran_ioctl,
+       .ioctl = video_ioctl2,
        .read = zoran_read,
        .write = zoran_write,
        .mmap = zoran_mmap,
@@ -4596,7 +4265,9 @@ static const struct v4l2_file_operations zoran_fops = {
 struct video_device zoran_template __devinitdata = {
        .name = ZORAN_NAME,
        .fops = &zoran_fops,
+       .ioctl_ops = &zoran_ioctl_ops,
        .release = &zoran_vdev_release,
+       .tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM,
        .minor = -1
 };