diff options
Diffstat (limited to 'drivers/media/pci/saa7134/saa7134-video.c')
| -rw-r--r-- | drivers/media/pci/saa7134/saa7134-video.c | 108 |
1 files changed, 91 insertions, 17 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index a63c1366a64e..ffa39543eb65 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -409,7 +409,8 @@ static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) static void video_mux(struct saa7134_dev *dev, int input) { - video_dbg("video input = %d [%s]\n", input, card_in(dev, input).name); + video_dbg("video input = %d [%s]\n", + input, saa7134_input_name[card_in(dev, input).type]); dev->ctl_input = input; set_tvnorm(dev, dev->tvnorm); saa7134_tvaudio_setinput(dev, &card_in(dev, input)); @@ -478,8 +479,7 @@ void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) { saa7134_set_decoder(dev); - if (card_in(dev, dev->ctl_input).tv) - saa_call_all(dev, video, s_std, dev->tvnorm->id); + saa_call_all(dev, video, s_std, dev->tvnorm->id); /* Set the correct norm for the saa6752hs. This function does nothing if there is no saa6752hs. */ saa_call_empress(dev, video, s_std, dev->tvnorm->id); @@ -785,6 +785,63 @@ static int stop_preview(struct saa7134_dev *dev) return 0; } +/* + * Media Controller helper functions + */ + +static int saa7134_enable_analog_tuner(struct saa7134_dev *dev) +{ +#ifdef CONFIG_MEDIA_CONTROLLER + struct media_device *mdev = dev->media_dev; + struct media_entity *source; + struct media_link *link, *found_link = NULL; + int ret, active_links = 0; + + if (!mdev || !dev->decoder) + return 0; + + /* + * This will find the tuner that is connected into the decoder. + * Technically, this is not 100% correct, as the device may be + * using an analog input instead of the tuner. However, as we can't + * do DVB streaming while the DMA engine is being used for V4L2, + * this should be enough for the actual needs. + */ + list_for_each_entry(link, &dev->decoder->links, list) { + if (link->sink->entity == dev->decoder) { + found_link = link; + if (link->flags & MEDIA_LNK_FL_ENABLED) + active_links++; + break; + } + } + + if (active_links == 1 || !found_link) + return 0; + + source = found_link->source->entity; + list_for_each_entry(link, &source->links, list) { + struct media_entity *sink; + int flags = 0; + + sink = link->sink->entity; + + if (sink == dev->decoder) + flags = MEDIA_LNK_FL_ENABLED; + + ret = media_entity_setup_link(link, flags); + if (ret) { + pr_err("Couldn't change link %s->%s to %s. Error %d\n", + source->name, sink->name, + flags ? "enabled" : "disabled", + ret); + return ret; + } + } +#endif + return 0; +} + /* ------------------------------------------------------------------ */ static int buffer_activate(struct saa7134_dev *dev, @@ -924,6 +981,9 @@ static int queue_setup(struct vb2_queue *q, *nplanes = 1; sizes[0] = size; alloc_ctxs[0] = dev->alloc_ctx; + + saa7134_enable_analog_tuner(dev); + return 0; } @@ -1219,10 +1279,13 @@ static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, f->fmt.pix.height = dev->height; f->fmt.pix.field = dev->field; f->fmt.pix.pixelformat = dev->fmt->fourcc; - f->fmt.pix.bytesperline = - (f->fmt.pix.width * dev->fmt->depth) >> 3; + if (dev->fmt->planar) + f->fmt.pix.bytesperline = f->fmt.pix.width; + else + f->fmt.pix.bytesperline = + (f->fmt.pix.width * dev->fmt->depth) / 8; f->fmt.pix.sizeimage = - f->fmt.pix.height * f->fmt.pix.bytesperline; + (f->fmt.pix.height * f->fmt.pix.width * dev->fmt->depth) / 8; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; return 0; } @@ -1298,10 +1361,13 @@ static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, if (f->fmt.pix.height > maxh) f->fmt.pix.height = maxh; f->fmt.pix.width &= ~0x03; - f->fmt.pix.bytesperline = - (f->fmt.pix.width * fmt->depth) >> 3; + if (fmt->planar) + f->fmt.pix.bytesperline = f->fmt.pix.width; + else + f->fmt.pix.bytesperline = + (f->fmt.pix.width * fmt->depth) / 8; f->fmt.pix.sizeimage = - f->fmt.pix.height * f->fmt.pix.bytesperline; + (f->fmt.pix.height * f->fmt.pix.width * fmt->depth) / 8; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; return 0; @@ -1381,13 +1447,19 @@ int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i) n = i->index; if (n >= SAA7134_INPUT_MAX) return -EINVAL; - if (NULL == card_in(dev, i->index).name) + if (card_in(dev, i->index).type == SAA7134_NO_INPUT) return -EINVAL; i->index = n; - i->type = V4L2_INPUT_TYPE_CAMERA; - strcpy(i->name, card_in(dev, n).name); - if (card_in(dev, n).tv) + strcpy(i->name, saa7134_input_name[card_in(dev, n).type]); + switch (card_in(dev, n).type) { + case SAA7134_INPUT_TV: + case SAA7134_INPUT_TV_MONO: i->type = V4L2_INPUT_TYPE_TUNER; + break; + default: + i->type = V4L2_INPUT_TYPE_CAMERA; + break; + } if (n == dev->ctl_input) { int v1 = saa_readb(SAA7134_STATUS_VIDEO1); int v2 = saa_readb(SAA7134_STATUS_VIDEO2); @@ -1419,7 +1491,7 @@ int saa7134_s_input(struct file *file, void *priv, unsigned int i) if (i >= SAA7134_INPUT_MAX) return -EINVAL; - if (NULL == card_in(dev, i).name) + if (card_in(dev, i).type == SAA7134_NO_INPUT) return -EINVAL; video_mux(dev, i); return 0; @@ -1656,12 +1728,13 @@ int saa7134_g_tuner(struct file *file, void *priv, return -EINVAL; memset(t, 0, sizeof(*t)); for (n = 0; n < SAA7134_INPUT_MAX; n++) { - if (card_in(dev, n).tv) + if (card_in(dev, n).type == SAA7134_INPUT_TV || + card_in(dev, n).type == SAA7134_INPUT_TV_MONO) break; } if (n == SAA7134_INPUT_MAX) return -EINVAL; - if (NULL != card_in(dev, n).name) { + if (card_in(dev, n).type != SAA7134_NO_INPUT) { strcpy(t->name, "Television"); t->type = V4L2_TUNER_ANALOG_TV; saa_call_all(dev, tuner, g_tuner, t); @@ -1906,6 +1979,7 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_querybuf = vb2_ioctl_querybuf, .vidioc_qbuf = vb2_ioctl_qbuf, .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_expbuf = vb2_ioctl_expbuf, .vidioc_s_std = saa7134_s_std, .vidioc_g_std = saa7134_g_std, .vidioc_querystd = saa7134_querystd, @@ -2089,7 +2163,7 @@ int saa7134_video_init1(struct saa7134_dev *dev) * USERPTR support is a no-go unless the application knows about these * limitations and has special support for this. */ - q->io_modes = VB2_MMAP | VB2_READ; + q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ; if (saa7134_userptr) q->io_modes |= VB2_USERPTR; q->drv_priv = &dev->video_q; |