diff options
Diffstat (limited to 'drivers/media/video/s5p-tv/mixer_video.c')
-rw-r--r-- | drivers/media/video/s5p-tv/mixer_video.c | 342 |
1 files changed, 222 insertions, 120 deletions
diff --git a/drivers/media/video/s5p-tv/mixer_video.c b/drivers/media/video/s5p-tv/mixer_video.c index b47d0c0..7884bae 100644 --- a/drivers/media/video/s5p-tv/mixer_video.c +++ b/drivers/media/video/s5p-tv/mixer_video.c @@ -170,18 +170,22 @@ static int mxr_querycap(struct file *file, void *priv, return 0; } -/* Geometry handling */ -static void mxr_layer_geo_fix(struct mxr_layer *layer) +static void mxr_geometry_dump(struct mxr_device *mdev, struct mxr_geometry *geo) { - struct mxr_device *mdev = layer->mdev; - struct v4l2_mbus_framefmt mbus_fmt; - - /* TODO: add some dirty flag to avoid unnecessary adjustments */ - mxr_get_mbus_fmt(mdev, &mbus_fmt); - layer->geo.dst.full_width = mbus_fmt.width; - layer->geo.dst.full_height = mbus_fmt.height; - layer->geo.dst.field = mbus_fmt.field; - layer->ops.fix_geometry(layer); + mxr_dbg(mdev, "src.full_size = (%u, %u)\n", + geo->src.full_width, geo->src.full_height); + mxr_dbg(mdev, "src.size = (%u, %u)\n", + geo->src.width, geo->src.height); + mxr_dbg(mdev, "src.offset = (%u, %u)\n", + geo->src.x_offset, geo->src.y_offset); + mxr_dbg(mdev, "dst.full_size = (%u, %u)\n", + geo->dst.full_width, geo->dst.full_height); + mxr_dbg(mdev, "dst.size = (%u, %u)\n", + geo->dst.width, geo->dst.height); + mxr_dbg(mdev, "dst.offset = (%u, %u)\n", + geo->dst.x_offset, geo->dst.y_offset); + mxr_dbg(mdev, "ratio = (%u, %u)\n", + geo->x_ratio, geo->y_ratio); } static void mxr_layer_default_geo(struct mxr_layer *layer) @@ -204,27 +208,29 @@ static void mxr_layer_default_geo(struct mxr_layer *layer) layer->geo.src.width = layer->geo.src.full_width; layer->geo.src.height = layer->geo.src.full_height; - layer->ops.fix_geometry(layer); + mxr_geometry_dump(mdev, &layer->geo); + layer->ops.fix_geometry(layer, MXR_GEOMETRY_SINK, 0); + mxr_geometry_dump(mdev, &layer->geo); } -static void mxr_geometry_dump(struct mxr_device *mdev, struct mxr_geometry *geo) +static void mxr_layer_update_output(struct mxr_layer *layer) { - mxr_dbg(mdev, "src.full_size = (%u, %u)\n", - geo->src.full_width, geo->src.full_height); - mxr_dbg(mdev, "src.size = (%u, %u)\n", - geo->src.width, geo->src.height); - mxr_dbg(mdev, "src.offset = (%u, %u)\n", - geo->src.x_offset, geo->src.y_offset); - mxr_dbg(mdev, "dst.full_size = (%u, %u)\n", - geo->dst.full_width, geo->dst.full_height); - mxr_dbg(mdev, "dst.size = (%u, %u)\n", - geo->dst.width, geo->dst.height); - mxr_dbg(mdev, "dst.offset = (%u, %u)\n", - geo->dst.x_offset, geo->dst.y_offset); - mxr_dbg(mdev, "ratio = (%u, %u)\n", - geo->x_ratio, geo->y_ratio); -} + struct mxr_device *mdev = layer->mdev; + struct v4l2_mbus_framefmt mbus_fmt; + + mxr_get_mbus_fmt(mdev, &mbus_fmt); + /* checking if update is needed */ + if (layer->geo.dst.full_width == mbus_fmt.width && + layer->geo.dst.full_height == mbus_fmt.width) + return; + layer->geo.dst.full_width = mbus_fmt.width; + layer->geo.dst.full_height = mbus_fmt.height; + layer->geo.dst.field = mbus_fmt.field; + layer->ops.fix_geometry(layer, MXR_GEOMETRY_SINK, 0); + + mxr_geometry_dump(mdev, &layer->geo); +} static const struct mxr_format *find_format_by_fourcc( struct mxr_layer *layer, unsigned long fourcc); @@ -249,37 +255,6 @@ static int mxr_enum_fmt(struct file *file, void *priv, return 0; } -static int mxr_s_fmt(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct mxr_layer *layer = video_drvdata(file); - const struct mxr_format *fmt; - struct v4l2_pix_format_mplane *pix; - struct mxr_device *mdev = layer->mdev; - struct mxr_geometry *geo = &layer->geo; - - mxr_dbg(mdev, "%s:%d\n", __func__, __LINE__); - - pix = &f->fmt.pix_mp; - fmt = find_format_by_fourcc(layer, pix->pixelformat); - if (fmt == NULL) { - mxr_warn(mdev, "not recognized fourcc: %08x\n", - pix->pixelformat); - return -EINVAL; - } - layer->fmt = fmt; - geo->src.full_width = pix->width; - geo->src.width = pix->width; - geo->src.full_height = pix->height; - geo->src.height = pix->height; - /* assure consistency of geometry */ - mxr_layer_geo_fix(layer); - mxr_dbg(mdev, "width=%u height=%u span=%u\n", - geo->src.width, geo->src.height, geo->src.full_width); - - return 0; -} - static unsigned int divup(unsigned int divident, unsigned int divisor) { return (divident + divisor - 1) / divisor; @@ -299,6 +274,10 @@ static void mxr_mplane_fill(struct v4l2_plane_pix_format *planes, { int i; + /* checking if nothing to fill */ + if (!planes) + return; + memset(planes, 0, sizeof(*planes) * fmt->num_subframes); for (i = 0; i < fmt->num_planes; ++i) { struct v4l2_plane_pix_format *plane = planes @@ -332,73 +311,194 @@ static int mxr_g_fmt(struct file *file, void *priv, return 0; } -static inline struct mxr_crop *choose_crop_by_type(struct mxr_geometry *geo, - enum v4l2_buf_type type) -{ - switch (type) { - case V4L2_BUF_TYPE_VIDEO_OUTPUT: - case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: - return &geo->dst; - case V4L2_BUF_TYPE_VIDEO_OVERLAY: - return &geo->src; - default: - return NULL; - } -} - -static int mxr_g_crop(struct file *file, void *fh, struct v4l2_crop *a) +static int mxr_s_fmt(struct file *file, void *priv, + struct v4l2_format *f) { struct mxr_layer *layer = video_drvdata(file); - struct mxr_crop *crop; + const struct mxr_format *fmt; + struct v4l2_pix_format_mplane *pix; + struct mxr_device *mdev = layer->mdev; + struct mxr_geometry *geo = &layer->geo; - mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__); - crop = choose_crop_by_type(&layer->geo, a->type); - if (crop == NULL) + mxr_dbg(mdev, "%s:%d\n", __func__, __LINE__); + + pix = &f->fmt.pix_mp; + fmt = find_format_by_fourcc(layer, pix->pixelformat); + if (fmt == NULL) { + mxr_warn(mdev, "not recognized fourcc: %08x\n", + pix->pixelformat); return -EINVAL; - mxr_layer_geo_fix(layer); - a->c.left = crop->x_offset; - a->c.top = crop->y_offset; - a->c.width = crop->width; - a->c.height = crop->height; + } + layer->fmt = fmt; + /* set source size to highest accepted value */ + geo->src.full_width = max(geo->dst.full_width, pix->width); + geo->src.full_height = max(geo->dst.full_height, pix->height); + layer->ops.fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0); + mxr_geometry_dump(mdev, &layer->geo); + /* set cropping to total visible screen */ + geo->src.width = pix->width; + geo->src.height = pix->height; + geo->src.x_offset = 0; + geo->src.y_offset = 0; + /* assure consistency of geometry */ + layer->ops.fix_geometry(layer, MXR_GEOMETRY_CROP, MXR_NO_OFFSET); + mxr_geometry_dump(mdev, &layer->geo); + /* set full size to lowest possible value */ + geo->src.full_width = 0; + geo->src.full_height = 0; + layer->ops.fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0); + mxr_geometry_dump(mdev, &layer->geo); + + /* returning results */ + mxr_g_fmt(file, priv, f); + return 0; } -static int mxr_s_crop(struct file *file, void *fh, struct v4l2_crop *a) +static int mxr_g_selection(struct file *file, void *fh, + struct v4l2_selection *s) { struct mxr_layer *layer = video_drvdata(file); - struct mxr_crop *crop; + struct mxr_geometry *geo = &layer->geo; mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__); - crop = choose_crop_by_type(&layer->geo, a->type); - if (crop == NULL) + + if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && + s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return -EINVAL; + + switch (s->target) { + case V4L2_SEL_TGT_CROP_ACTIVE: + s->r.left = geo->src.x_offset; + s->r.top = geo->src.y_offset; + s->r.width = geo->src.width; + s->r.height = geo->src.height; + break; + case V4L2_SEL_TGT_CROP_DEFAULT: + case V4L2_SEL_TGT_CROP_BOUNDS: + s->r.left = 0; + s->r.top = 0; + s->r.width = geo->src.full_width; + s->r.height = geo->src.full_height; + break; + case V4L2_SEL_TGT_COMPOSE_ACTIVE: + case V4L2_SEL_TGT_COMPOSE_PADDED: + s->r.left = geo->dst.x_offset; + s->r.top = geo->dst.y_offset; + s->r.width = geo->dst.width; + s->r.height = geo->dst.height; + break; + case V4L2_SEL_TGT_COMPOSE_DEFAULT: + case V4L2_SEL_TGT_COMPOSE_BOUNDS: + s->r.left = 0; + s->r.top = 0; + s->r.width = geo->dst.full_width; + s->r.height = geo->dst.full_height; + break; + default: return -EINVAL; - crop->x_offset = a->c.left; - crop->y_offset = a->c.top; - crop->width = a->c.width; - crop->height = a->c.height; - mxr_layer_geo_fix(layer); + } + return 0; } -static int mxr_cropcap(struct file *file, void *fh, struct v4l2_cropcap *a) +/* returns 1 if rectangle 'a' is inside 'b' */ +static int mxr_is_rect_inside(struct v4l2_rect *a, struct v4l2_rect *b) +{ + if (a->left < b->left) + return 0; + if (a->top < b->top) + return 0; + if (a->left + a->width > b->left + b->width) + return 0; + if (a->top + a->height > b->top + b->height) + return 0; + return 1; +} + +static int mxr_s_selection(struct file *file, void *fh, + struct v4l2_selection *s) { struct mxr_layer *layer = video_drvdata(file); - struct mxr_crop *crop; + struct mxr_geometry *geo = &layer->geo; + struct mxr_crop *target = NULL; + enum mxr_geometry_stage stage; + struct mxr_geometry tmp; + struct v4l2_rect res; - mxr_dbg(layer->mdev, "%s:%d\n", __func__, __LINE__); - crop = choose_crop_by_type(&layer->geo, a->type); - if (crop == NULL) + memset(&res, 0, sizeof res); + + mxr_dbg(layer->mdev, "%s: rect: %dx%d@%d,%d\n", __func__, + s->r.width, s->r.height, s->r.left, s->r.top); + + if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && + s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) return -EINVAL; - mxr_layer_geo_fix(layer); - a->bounds.left = 0; - a->bounds.top = 0; - a->bounds.width = crop->full_width; - a->bounds.top = crop->full_height; - a->defrect = a->bounds; - /* setting pixel aspect to 1/1 */ - a->pixelaspect.numerator = 1; - a->pixelaspect.denominator = 1; + + switch (s->target) { + /* ignore read-only targets */ + case V4L2_SEL_TGT_CROP_DEFAULT: + case V4L2_SEL_TGT_CROP_BOUNDS: + res.width = geo->src.full_width; + res.height = geo->src.full_height; + break; + + /* ignore read-only targets */ + case V4L2_SEL_TGT_COMPOSE_DEFAULT: + case V4L2_SEL_TGT_COMPOSE_BOUNDS: + res.width = geo->dst.full_width; + res.height = geo->dst.full_height; + break; + + case V4L2_SEL_TGT_CROP_ACTIVE: + target = &geo->src; + stage = MXR_GEOMETRY_CROP; + break; + case V4L2_SEL_TGT_COMPOSE_ACTIVE: + case V4L2_SEL_TGT_COMPOSE_PADDED: + target = &geo->dst; + stage = MXR_GEOMETRY_COMPOSE; + break; + default: + return -EINVAL; + } + /* apply change and update geometry if needed */ + if (target) { + /* backup current geometry if setup fails */ + memcpy(&tmp, geo, sizeof tmp); + + /* apply requested selection */ + target->x_offset = s->r.left; + target->y_offset = s->r.top; + target->width = s->r.width; + target->height = s->r.height; + + layer->ops.fix_geometry(layer, stage, s->flags); + + /* retrieve update selection rectangle */ + res.left = target->x_offset; + res.top = target->y_offset; + res.width = target->width; + res.height = target->height; + + mxr_geometry_dump(layer->mdev, &layer->geo); + } + + /* checking if the rectangle satisfies constraints */ + if ((s->flags & V4L2_SEL_FLAG_LE) && !mxr_is_rect_inside(&res, &s->r)) + goto fail; + if ((s->flags & V4L2_SEL_FLAG_GE) && !mxr_is_rect_inside(&s->r, &res)) + goto fail; + + /* return result rectangle */ + s->r = res; + return 0; +fail: + /* restore old geometry, which is not touched if target is NULL */ + if (target) + memcpy(geo, &tmp, sizeof tmp); + return -ERANGE; } static int mxr_enum_dv_presets(struct file *file, void *fh, @@ -438,6 +538,8 @@ static int mxr_s_dv_preset(struct file *file, void *fh, mutex_unlock(&mdev->mutex); + mxr_layer_update_output(layer); + /* any failure should return EINVAL according to V4L2 doc */ return ret ? -EINVAL : 0; } @@ -478,6 +580,8 @@ static int mxr_s_std(struct file *file, void *fh, v4l2_std_id *norm) mutex_unlock(&mdev->mutex); + mxr_layer_update_output(layer); + return ret ? -EINVAL : 0; } @@ -526,25 +630,27 @@ static int mxr_s_output(struct file *file, void *fh, unsigned int i) struct video_device *vfd = video_devdata(file); struct mxr_layer *layer = video_drvdata(file); struct mxr_device *mdev = layer->mdev; - int ret = 0; if (i >= mdev->output_cnt || mdev->output[i] == NULL) return -EINVAL; mutex_lock(&mdev->mutex); if (mdev->n_output > 0) { - ret = -EBUSY; - goto done; + mutex_unlock(&mdev->mutex); + return -EBUSY; } mdev->current_output = i; vfd->tvnorms = 0; v4l2_subdev_call(to_outsd(mdev), video, g_tvnorms_output, &vfd->tvnorms); + mutex_unlock(&mdev->mutex); + + /* update layers geometry */ + mxr_layer_update_output(layer); + mxr_dbg(mdev, "tvnorms = %08llx\n", vfd->tvnorms); -done: - mutex_unlock(&mdev->mutex); - return ret; + return 0; } static int mxr_g_output(struct file *file, void *fh, unsigned int *p) @@ -633,10 +739,9 @@ static const struct v4l2_ioctl_ops mxr_ioctl_ops = { .vidioc_enum_output = mxr_enum_output, .vidioc_s_output = mxr_s_output, .vidioc_g_output = mxr_g_output, - /* Crop ioctls */ - .vidioc_g_crop = mxr_g_crop, - .vidioc_s_crop = mxr_s_crop, - .vidioc_cropcap = mxr_cropcap, + /* selection ioctls */ + .vidioc_g_selection = mxr_g_selection, + .vidioc_s_selection = mxr_s_selection, }; static int mxr_video_open(struct file *file) @@ -805,10 +910,7 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) /* block any changes in output configuration */ mxr_output_get(mdev); - /* update layers geometry */ - mxr_layer_geo_fix(layer); - mxr_geometry_dump(mdev, &layer->geo); - + mxr_layer_update_output(layer); layer->ops.format_set(layer); /* enabling layer in hardware */ spin_lock_irqsave(&layer->enq_slock, flags); |