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path: root/drivers/video/omap2/dss/sdi.c
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Diffstat (limited to 'drivers/video/omap2/dss/sdi.c')
-rw-r--r--drivers/video/omap2/dss/sdi.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c
index 69d907f7df4..856af2e8976 100644
--- a/drivers/video/omap2/dss/sdi.c
+++ b/drivers/video/omap2/dss/sdi.c
@@ -234,6 +234,26 @@ void omapdss_sdi_set_timings(struct omap_dss_device *dssdev,
}
EXPORT_SYMBOL(omapdss_sdi_set_timings);
+static void sdi_get_timings(struct omap_dss_device *dssdev,
+ struct omap_video_timings *timings)
+{
+ *timings = sdi.timings;
+}
+
+static int sdi_check_timings(struct omap_dss_device *dssdev,
+ struct omap_video_timings *timings)
+{
+ struct omap_overlay_manager *mgr = sdi.output.manager;
+
+ if (mgr && !dispc_mgr_timings_ok(mgr->id, timings))
+ return -EINVAL;
+
+ if (timings->pixel_clock == 0)
+ return -EINVAL;
+
+ return 0;
+}
+
void omapdss_sdi_set_datapairs(struct omap_dss_device *dssdev, int datapairs)
{
sdi.datapairs = datapairs;
@@ -333,6 +353,63 @@ static int sdi_probe_pdata(struct platform_device *sdidev)
return 0;
}
+static int sdi_connect(struct omap_dss_device *dssdev,
+ struct omap_dss_device *dst)
+{
+ struct omap_overlay_manager *mgr;
+ int r;
+
+ r = sdi_init_regulator();
+ if (r)
+ return r;
+
+ mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel);
+ if (!mgr)
+ return -ENODEV;
+
+ r = dss_mgr_connect(mgr, dssdev);
+ if (r)
+ return r;
+
+ r = omapdss_output_set_device(dssdev, dst);
+ if (r) {
+ DSSERR("failed to connect output to new device: %s\n",
+ dst->name);
+ dss_mgr_disconnect(mgr, dssdev);
+ return r;
+ }
+
+ return 0;
+}
+
+static void sdi_disconnect(struct omap_dss_device *dssdev,
+ struct omap_dss_device *dst)
+{
+ WARN_ON(dst != dssdev->device);
+
+ if (dst != dssdev->device)
+ return;
+
+ omapdss_output_unset_device(dssdev);
+
+ if (dssdev->manager)
+ dss_mgr_disconnect(dssdev->manager, dssdev);
+}
+
+static const struct omapdss_sdi_ops sdi_ops = {
+ .connect = sdi_connect,
+ .disconnect = sdi_disconnect,
+
+ .enable = omapdss_sdi_display_enable,
+ .disable = omapdss_sdi_display_disable,
+
+ .check_timings = sdi_check_timings,
+ .set_timings = omapdss_sdi_set_timings,
+ .get_timings = sdi_get_timings,
+
+ .set_datapairs = omapdss_sdi_set_datapairs,
+};
+
static void sdi_init_output(struct platform_device *pdev)
{
struct omap_dss_device *out = &sdi.output;
@@ -342,6 +419,7 @@ static void sdi_init_output(struct platform_device *pdev)
out->output_type = OMAP_DISPLAY_TYPE_SDI;
out->name = "sdi.0";
out->dispc_channel = OMAP_DSS_CHANNEL_LCD;
+ out->ops.sdi = &sdi_ops;
out->owner = THIS_MODULE;
omapdss_register_output(out);