/*
* vsp1_rpf.c -- R-Car VSP1 Read Pixel Formatter
*
- * Copyright (C) 2013 Renesas Corporation
+ * Copyright (C) 2013-2014 Renesas Electronics Corporation
*
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
*
}
/* -----------------------------------------------------------------------------
+ * Controls
+ */
+
+static int rpf_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct vsp1_rwpf *rpf =
+ container_of(ctrl->handler, struct vsp1_rwpf, ctrls);
+ struct vsp1_pipeline *pipe;
+
+ if (!vsp1_entity_is_streaming(&rpf->entity))
+ return 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_ALPHA_COMPONENT:
+ vsp1_rpf_write(rpf, VI6_RPF_VRTCOL_SET,
+ ctrl->val << VI6_RPF_VRTCOL_SET_LAYA_SHIFT);
+
+ pipe = to_vsp1_pipeline(&rpf->entity.subdev.entity);
+ vsp1_pipeline_propagate_alpha(pipe, &rpf->entity, ctrl->val);
+ break;
+ }
+
+ return 0;
+}
+
+static const struct v4l2_ctrl_ops rpf_ctrl_ops = {
+ .s_ctrl = rpf_s_ctrl,
+};
+
+/* -----------------------------------------------------------------------------
* V4L2 Subdevice Core Operations
*/
struct vsp1_rwpf *rpf = to_rwpf(subdev);
const struct vsp1_format_info *fmtinfo = rpf->video.fmtinfo;
const struct v4l2_pix_format_mplane *format = &rpf->video.format;
+ const struct v4l2_rect *crop = &rpf->crop;
u32 pstride;
u32 infmt;
+ int ret;
+
+ ret = vsp1_entity_set_streaming(&rpf->entity, enable);
+ if (ret < 0)
+ return ret;
if (!enable)
return 0;
- /* Source size and stride. Cropping isn't supported yet. */
+ /* Source size, stride and crop offsets.
+ *
+ * The crop offsets correspond to the location of the crop rectangle top
+ * left corner in the plane buffer. Only two offsets are needed, as
+ * planes 2 and 3 always have identical strides.
+ */
vsp1_rpf_write(rpf, VI6_RPF_SRC_BSIZE,
- (format->width << VI6_RPF_SRC_BSIZE_BHSIZE_SHIFT) |
- (format->height << VI6_RPF_SRC_BSIZE_BVSIZE_SHIFT));
+ (crop->width << VI6_RPF_SRC_BSIZE_BHSIZE_SHIFT) |
+ (crop->height << VI6_RPF_SRC_BSIZE_BVSIZE_SHIFT));
vsp1_rpf_write(rpf, VI6_RPF_SRC_ESIZE,
- (format->width << VI6_RPF_SRC_ESIZE_EHSIZE_SHIFT) |
- (format->height << VI6_RPF_SRC_ESIZE_EVSIZE_SHIFT));
+ (crop->width << VI6_RPF_SRC_ESIZE_EHSIZE_SHIFT) |
+ (crop->height << VI6_RPF_SRC_ESIZE_EVSIZE_SHIFT));
+ rpf->offsets[0] = crop->top * format->plane_fmt[0].bytesperline
+ + crop->left * fmtinfo->bpp[0] / 8;
pstride = format->plane_fmt[0].bytesperline
<< VI6_RPF_SRCM_PSTRIDE_Y_SHIFT;
- if (format->num_planes > 1)
+ if (format->num_planes > 1) {
+ rpf->offsets[1] = crop->top * format->plane_fmt[1].bytesperline
+ + crop->left * fmtinfo->bpp[1] / 8;
pstride |= format->plane_fmt[1].bytesperline
<< VI6_RPF_SRCM_PSTRIDE_C_SHIFT;
+ }
vsp1_rpf_write(rpf, VI6_RPF_SRCM_PSTRIDE, pstride);
vsp1_rpf_write(rpf, VI6_RPF_INFMT, infmt);
vsp1_rpf_write(rpf, VI6_RPF_DSWAP, fmtinfo->swap);
- /* Output location. Composing isn't supported yet. */
- vsp1_rpf_write(rpf, VI6_RPF_LOC, 0);
+ /* Output location */
+ vsp1_rpf_write(rpf, VI6_RPF_LOC,
+ (rpf->location.left << VI6_RPF_LOC_HCOORD_SHIFT) |
+ (rpf->location.top << VI6_RPF_LOC_VCOORD_SHIFT));
- /* Disable alpha, mask and color key. Set the alpha channel to a fixed
- * value of 255.
+ /* Use the alpha channel (extended to 8 bits) when available or an
+ * alpha value set through the V4L2_CID_ALPHA_COMPONENT control
+ * otherwise. Disable color keying.
*/
- vsp1_rpf_write(rpf, VI6_RPF_ALPH_SEL, VI6_RPF_ALPH_SEL_ASEL_FIXED);
- vsp1_rpf_write(rpf, VI6_RPF_VRTCOL_SET,
- 255 << VI6_RPF_VRTCOL_SET_LAYA_SHIFT);
+ vsp1_rpf_write(rpf, VI6_RPF_ALPH_SEL, VI6_RPF_ALPH_SEL_AEXT_EXT |
+ (fmtinfo->alpha ? VI6_RPF_ALPH_SEL_ASEL_PACKED
+ : VI6_RPF_ALPH_SEL_ASEL_FIXED));
vsp1_rpf_write(rpf, VI6_RPF_MSK_CTRL, 0);
vsp1_rpf_write(rpf, VI6_RPF_CKEY_CTRL, 0);
.enum_frame_size = vsp1_rwpf_enum_frame_size,
.get_fmt = vsp1_rwpf_get_format,
.set_fmt = vsp1_rwpf_set_format,
+ .get_selection = vsp1_rwpf_get_selection,
+ .set_selection = vsp1_rwpf_set_selection,
};
static struct v4l2_subdev_ops rpf_ops = {
{
struct vsp1_rwpf *rpf = container_of(video, struct vsp1_rwpf, video);
- vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_Y, buf->addr[0]);
+ vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_Y,
+ buf->addr[0] + rpf->offsets[0]);
if (buf->buf.num_planes > 1)
- vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C0, buf->addr[1]);
+ vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C0,
+ buf->addr[1] + rpf->offsets[1]);
if (buf->buf.num_planes > 2)
- vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C1, buf->addr[2]);
+ vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C1,
+ buf->addr[2] + rpf->offsets[1]);
}
static const struct vsp1_video_operations rpf_vdev_ops = {
rpf->entity.type = VSP1_ENTITY_RPF;
rpf->entity.index = index;
- rpf->entity.id = VI6_DPR_NODE_RPF(index);
ret = vsp1_entity_init(vsp1, &rpf->entity, 2);
if (ret < 0)
vsp1_entity_init_formats(subdev, NULL);
+ /* Initialize the control handler. */
+ v4l2_ctrl_handler_init(&rpf->ctrls, 1);
+ v4l2_ctrl_new_std(&rpf->ctrls, &rpf_ctrl_ops, V4L2_CID_ALPHA_COMPONENT,
+ 0, 255, 1, 255);
+
+ rpf->entity.subdev.ctrl_handler = &rpf->ctrls;
+
+ if (rpf->ctrls.error) {
+ dev_err(vsp1->dev, "rpf%u: failed to initialize controls\n",
+ index);
+ ret = rpf->ctrls.error;
+ goto error;
+ }
+
/* Initialize the video device. */
video = &rpf->video;
ret = vsp1_video_init(video, &rpf->entity);
if (ret < 0)
- goto error_video;
+ goto error;
+
+ rpf->entity.video = video;
/* Connect the video device to the RPF. */
ret = media_entity_create_link(&rpf->video.video.entity, 0,
MEDIA_LNK_FL_ENABLED |
MEDIA_LNK_FL_IMMUTABLE);
if (ret < 0)
- goto error_link;
+ goto error;
return rpf;
-error_link:
- vsp1_video_cleanup(video);
-error_video:
- media_entity_cleanup(&rpf->entity.subdev.entity);
+error:
+ vsp1_entity_destroy(&rpf->entity);
return ERR_PTR(ret);
}
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / blobdiff