/*
* csi2_init_entities - Initialize subdev and media entity.
* @csi2: Pointer to csi2 structure.
* return -ENOMEM or zero on success
*/
static int csi2_init_entities(struct iss_csi2_device *csi2, const char *subname)
{
struct v4l2_subdev *sd = &csi2->subdev;
struct media_pad *pads = csi2->pads;
struct media_entity *me = &sd->entity;
int ret;
char name[V4L2_SUBDEV_NAME_SIZE];
v4l2_subdev_init(sd, &csi2_ops);
sd->internal_ops = &csi2_internal_ops;
sprintf(name, "CSI2%s", subname);
snprintf(sd->name, sizeof(sd->name), "OMAP4 ISS %s", name);
sd->grp_id = 1 << 16; /* group ID for iss subdevs */
v4l2_set_subdevdata(sd, csi2);
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
pads[CSI2_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
pads[CSI2_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
me->ops = &csi2_media_ops;
ret = media_entity_init(me, CSI2_PADS_NUM, pads, 0);
if (ret < 0)
return ret;
csi2_init_formats(sd, NULL);
/* Video device node */
csi2->video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
csi2->video_out.ops = &csi2_issvideo_ops;
csi2->video_out.bpl_alignment = 32;
csi2->video_out.bpl_zero_padding = 1;
csi2->video_out.bpl_max = 0x1ffe0;
csi2->video_out.iss = csi2->iss;
csi2->video_out.capture_mem = PAGE_ALIGN(4096 * 4096) * 3;
ret = omap4iss_video_init(&csi2->video_out, name);
if (ret < 0)
goto error_video;
/* Connect the CSI2 subdev to the video node. */
ret = media_entity_create_link(&csi2->subdev.entity, CSI2_PAD_SOURCE,
&csi2->video_out.video.entity, 0, 0);
if (ret < 0)
goto error_link;
return 0;
error_link:
omap4iss_video_cleanup(&csi2->video_out);
error_video:
media_entity_cleanup(&csi2->subdev.entity);
return ret;
}
/*
* ipipeif_init_entities - Initialize V4L2 subdev and media entity
* @ipipeif: ISS ISP IPIPEIF module
*
* Return 0 on success and a negative error code on failure.
*/
static int ipipeif_init_entities(struct iss_ipipeif_device *ipipeif)
{
struct v4l2_subdev *sd = &ipipeif->subdev;
struct media_pad *pads = ipipeif->pads;
struct media_entity *me = &sd->entity;
int ret;
ipipeif->input = IPIPEIF_INPUT_NONE;
v4l2_subdev_init(sd, &ipipeif_v4l2_ops);
sd->internal_ops = &ipipeif_v4l2_internal_ops;
strlcpy(sd->name, "OMAP4 ISS ISP IPIPEIF", sizeof(sd->name));
sd->grp_id = 1 << 16; /* group ID for iss subdevs */
v4l2_set_subdevdata(sd, ipipeif);
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
pads[IPIPEIF_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
pads[IPIPEIF_PAD_SOURCE_ISIF_SF].flags = MEDIA_PAD_FL_SOURCE;
pads[IPIPEIF_PAD_SOURCE_VP].flags = MEDIA_PAD_FL_SOURCE;
me->ops = &ipipeif_media_ops;
ret = media_entity_init(me, IPIPEIF_PADS_NUM, pads, 0);
if (ret < 0)
return ret;
ipipeif_init_formats(sd, NULL);
ipipeif->video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
ipipeif->video_out.ops = &ipipeif_video_ops;
ipipeif->video_out.iss = to_iss_device(ipipeif);
ipipeif->video_out.capture_mem = PAGE_ALIGN(4096 * 4096) * 3;
ipipeif->video_out.bpl_alignment = 32;
ipipeif->video_out.bpl_zero_padding = 1;
ipipeif->video_out.bpl_max = 0x1ffe0;
ret = omap4iss_video_init(&ipipeif->video_out, "ISP IPIPEIF");
if (ret < 0)
return ret;
/* Connect the IPIPEIF subdev to the video node. */
ret = media_entity_create_link(&ipipeif->subdev.entity,
IPIPEIF_PAD_SOURCE_ISIF_SF,
&ipipeif->video_out.video.entity, 0, 0);
if (ret < 0)
return ret;
return 0;
}