From: Scott Jiang <scott.jiang.linux@gmail.com>
Date: Fri, 12 Apr 2013 22:52:57 +0000 (-0300)
Subject: [media] blackfin: add display support in ppi driver
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=968bd2e7ca25d630edc0d8e145ab8225af6d585b;p=openwrt%2Fstaging%2Fblogic.git

[media] blackfin: add display support in ppi driver

Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/platform/blackfin/ppi.c b/drivers/media/platform/blackfin/ppi.c
index 01b5b501347e..15e9c2bac2b1 100644
--- a/drivers/media/platform/blackfin/ppi.c
+++ b/drivers/media/platform/blackfin/ppi.c
@@ -266,6 +266,18 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params)
 		bfin_write32(&reg->vcnt, params->height);
 		if (params->int_mask)
 			bfin_write32(&reg->imsk, params->int_mask & 0xFF);
+		if (ppi->ppi_control & PORT_DIR) {
+			u32 hsync_width, vsync_width, vsync_period;
+
+			hsync_width = params->hsync
+					* params->bpp / params->dlen;
+			vsync_width = params->vsync * samples_per_line;
+			vsync_period = samples_per_line * params->frame;
+			bfin_write32(&reg->fs1_wlhb, hsync_width);
+			bfin_write32(&reg->fs1_paspl, samples_per_line);
+			bfin_write32(&reg->fs2_wlvb, vsync_width);
+			bfin_write32(&reg->fs2_palpf, vsync_period);
+		}
 		break;
 	}
 	default: