diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-streams.c')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-streams.c | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c index 54d2023b26c4..5bbf31e39304 100644 --- a/drivers/media/video/ivtv/ivtv-streams.c +++ b/drivers/media/video/ivtv/ivtv-streams.c @@ -75,7 +75,7 @@ static const struct file_operations ivtv_v4l2_dec_fops = { static struct { const char *name; int vfl_type; - int minor_offset; + int num_offset; int dma, pio; enum v4l2_buf_type buf_type; const struct file_operations *fops; @@ -171,8 +171,8 @@ static void ivtv_stream_init(struct ivtv *itv, int type) static int ivtv_prep_dev(struct ivtv *itv, int type) { struct ivtv_stream *s = &itv->streams[type]; - int minor_offset = ivtv_stream_info[type].minor_offset; - int minor; + int num_offset = ivtv_stream_info[type].num_offset; + int num = itv->num + ivtv_first_minor + num_offset; /* These four fields are always initialized. If v4l2dev == NULL, then this stream is not in use. In that case no other fields but these @@ -188,9 +188,6 @@ static int ivtv_prep_dev(struct ivtv *itv, int type) if (type >= IVTV_DEC_STREAM_TYPE_MPG && !(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return 0; - /* card number + user defined offset + device offset */ - minor = itv->num + ivtv_first_minor + minor_offset; - /* User explicitly selected 0 buffers for these streams, so don't create them. */ if (ivtv_stream_info[type].dma != PCI_DMA_NONE && @@ -211,7 +208,7 @@ static int ivtv_prep_dev(struct ivtv *itv, int type) snprintf(s->v4l2dev->name, sizeof(s->v4l2dev->name), "ivtv%d %s", itv->num, s->name); - s->v4l2dev->minor = minor; + s->v4l2dev->num = num; s->v4l2dev->parent = &itv->dev->dev; s->v4l2dev->fops = ivtv_stream_info[type].fops; s->v4l2dev->release = video_device_release; @@ -250,39 +247,46 @@ static int ivtv_reg_dev(struct ivtv *itv, int type) { struct ivtv_stream *s = &itv->streams[type]; int vfl_type = ivtv_stream_info[type].vfl_type; - int minor; + int num; if (s->v4l2dev == NULL) return 0; - minor = s->v4l2dev->minor; + num = s->v4l2dev->num; + /* card number + user defined offset + device offset */ + if (type != IVTV_ENC_STREAM_TYPE_MPG) { + struct ivtv_stream *s_mpg = &itv->streams[IVTV_ENC_STREAM_TYPE_MPG]; + + if (s_mpg->v4l2dev) + num = s_mpg->v4l2dev->num + ivtv_stream_info[type].num_offset; + } + /* Register device. First try the desired minor, then any free one. */ - if (video_register_device(s->v4l2dev, vfl_type, minor) && - video_register_device(s->v4l2dev, vfl_type, -1)) { - IVTV_ERR("Couldn't register v4l2 device for %s minor %d\n", - s->name, minor); + if (video_register_device(s->v4l2dev, vfl_type, num)) { + IVTV_ERR("Couldn't register v4l2 device for %s kernel number %d\n", + s->name, num); video_device_release(s->v4l2dev); s->v4l2dev = NULL; return -ENOMEM; } + num = s->v4l2dev->num; switch (vfl_type) { case VFL_TYPE_GRABBER: IVTV_INFO("Registered device video%d for %s (%d kB)\n", - s->v4l2dev->minor, s->name, itv->options.kilobytes[type]); + num, s->name, itv->options.kilobytes[type]); break; case VFL_TYPE_RADIO: IVTV_INFO("Registered device radio%d for %s\n", - s->v4l2dev->minor - MINOR_VFL_TYPE_RADIO_MIN, s->name); + num, s->name); break; case VFL_TYPE_VBI: if (itv->options.kilobytes[type]) IVTV_INFO("Registered device vbi%d for %s (%d kB)\n", - s->v4l2dev->minor - MINOR_VFL_TYPE_VBI_MIN, - s->name, itv->options.kilobytes[type]); + num, s->name, itv->options.kilobytes[type]); else IVTV_INFO("Registered device vbi%d for %s\n", - s->v4l2dev->minor - MINOR_VFL_TYPE_VBI_MIN, s->name); + num, s->name); break; } return 0; @@ -330,7 +334,7 @@ void ivtv_streams_cleanup(struct ivtv *itv, int unregister) static void ivtv_vbi_setup(struct ivtv *itv) { - int raw = itv->vbi.sliced_in->service_set == 0; + int raw = ivtv_raw_vbi(itv); u32 data[CX2341X_MBOX_MAX_DATA]; int lines; int i; @@ -363,7 +367,7 @@ static void ivtv_vbi_setup(struct ivtv *itv) /* Every X number of frames a VBI interrupt arrives (frames as in 25 or 30 fps) */ data[1] = 1; /* The VBI frames are stored in a ringbuffer with this size (with a VBI frame as unit) */ - data[2] = raw ? 4 : 8; + data[2] = raw ? 4 : 4 * (itv->vbi.raw_size / itv->vbi.enc_size); /* The start/stop codes determine which VBI lines end up in the raw VBI data area. The codes are from table 24 in the saa7115 datasheet. Each raw/sliced/video line is framed with codes FF0000XX where XX is the SAV/EAV (Start/End of Active Video) |