[media] davinci: vpfe: dm365: add IPIPEIF driver based on media framework

add support for dm365 IPIPEIF driver based on media framework.
The IPIPEIF is exposed as a subdev, and it supports features
like fault pixel correction, dark frame subtraction and other
necessary hardware setup.

Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 93 insertions, 0 deletions

diff --git a/drivers/staging/media/davinci_vpfe/dm365_ipipeif_user.h b/drivers/staging/media/davinci_vpfe/dm365_ipipeif_user.h
new file mode 100644
index 000000000000..e2a69b59554a
--- /dev/null
+++ b/drivers/staging/media/davinci_vpfe/dm365_ipipeif_user.h
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2012 Texas Instruments Inc
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ * Contributors:
+ *      Manjunath Hadli <manjunath.hadli@ti.com>
+ *      Prabhakar Lad <prabhakar.lad@ti.com>
+ */
+
+#ifndef _DAVINCI_VPFE_DM365_IPIPEIF_USER_H
+#define _DAVINCI_VPFE_DM365_IPIPEIF_USER_H
+
+/* clockdiv for IPIPE 5.1 */
+struct ipipeif_5_1_clkdiv {
+	unsigned char m;
+	unsigned char n;
+};
+
+enum ipipeif_decimation {
+	IPIPEIF_DECIMATION_OFF,
+	IPIPEIF_DECIMATION_ON
+};
+
+/* DPC at the if for IPIPE 5.1 */
+struct ipipeif_dpc {
+	/* 0 - disable, 1 - enable */
+	unsigned char en;
+	/* threshold */
+	unsigned short thr;
+};
+
+enum ipipeif_clock {
+	IPIPEIF_PIXCEL_CLK,
+	IPIPEIF_SDRAM_CLK
+};
+
+enum  ipipeif_avg_filter {
+	IPIPEIF_AVG_OFF,
+	IPIPEIF_AVG_ON
+};
+
+struct ipipeif_5_1 {
+	struct ipipeif_5_1_clkdiv clk_div;
+	/* Defect pixel correction */
+	struct ipipeif_dpc dpc;
+	/* clipped to this value */
+	unsigned short clip;
+	/* Align HSync and VSync to rsz_start */
+	unsigned char align_sync;
+	/* resizer start position */
+	unsigned int rsz_start;
+	/* DF gain enable */
+	unsigned char df_gain_en;
+	/* DF gain value */
+	unsigned short df_gain;
+	/* DF gain threshold value */
+	unsigned short df_gain_thr;
+};
+
+struct ipipeif_params {
+	enum ipipeif_clock clock_select;
+	unsigned int ppln;
+	unsigned int lpfr;
+	unsigned char rsz;
+	enum ipipeif_decimation decimation;
+	enum ipipeif_avg_filter avg_filter;
+	/* IPIPE 5.1 */
+	struct ipipeif_5_1 if_5_1;
+};
+
+/*
+ * Private IOCTL
+ * VIDIOC_VPFE_IPIPEIF_S_CONFIG: Set IPIEIF configuration
+ * VIDIOC_VPFE_IPIPEIF_G_CONFIG: Get IPIEIF configuration
+ */
+#define VIDIOC_VPFE_IPIPEIF_S_CONFIG \
+	_IOWR('I', BASE_VIDIOC_PRIVATE + 1, struct ipipeif_params)
+#define VIDIOC_VPFE_IPIPEIF_G_CONFIG \
+	_IOWR('I', BASE_VIDIOC_PRIVATE + 2, struct ipipeif_params)
+
+#endif		/* _DAVINCI_VPFE_DM365_IPIPEIF_USER_H */