OMAPDSS: AnalogTV: Add ops

Add "ops" style method for using analog TV functionality.

Ops style calls will allow us to have arbitrarily long display
pipelines, where each entity can call ops in the previous display
entity.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
index e47b64e..496a106 100644
--- a/drivers/video/omap2/dss/venc.c
+++ b/drivers/video/omap2/dss/venc.c
@@ -564,6 +564,16 @@ int omapdss_venc_check_timings(struct omap_dss_device *dssdev,
 	return -EINVAL;
 }
 
+static void venc_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	mutex_lock(&venc.venc_lock);
+
+	*timings = venc.timings;
+
+	mutex_unlock(&venc.venc_lock);
+}
+
 u32 omapdss_venc_get_wss(struct omap_dss_device *dssdev)
 {
 	/* Invert due to VENC_L21_WC_CTL:INV=1 */
@@ -779,6 +789,67 @@ static int venc_probe_pdata(struct platform_device *vencdev)
 	return 0;
 }
 
+static int venc_connect(struct omap_dss_device *dssdev,
+		struct omap_dss_device *dst)
+{
+	struct omap_overlay_manager *mgr;
+	int r;
+
+	r = venc_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 venc_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_atv_ops venc_ops = {
+	.connect = venc_connect,
+	.disconnect = venc_disconnect,
+
+	.enable = omapdss_venc_display_enable,
+	.disable = omapdss_venc_display_disable,
+
+	.check_timings = omapdss_venc_check_timings,
+	.set_timings = omapdss_venc_set_timings,
+	.get_timings = venc_get_timings,
+
+	.set_type = omapdss_venc_set_type,
+	.invert_vid_out_polarity = omapdss_venc_invert_vid_out_polarity,
+
+	.set_wss = omapdss_venc_set_wss,
+	.get_wss = omapdss_venc_get_wss,
+};
+
 static void venc_init_output(struct platform_device *pdev)
 {
 	struct omap_dss_device *out = &venc.output;
@@ -788,6 +859,7 @@ static void venc_init_output(struct platform_device *pdev)
 	out->output_type = OMAP_DISPLAY_TYPE_VENC;
 	out->name = "venc.0";
 	out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
+	out->ops.atv = &venc_ops;
 	out->owner = THIS_MODULE;
 
 	omapdss_register_output(out);