diff mbox

[v13,4/8] davinci vpbe: VENC( Video Encoder) implementation

Message ID 1294654962-1771-1-git-send-email-manjunath.hadli@ti.com (mailing list archive)
State RFC
Headers show

Commit Message

Manjunath Hadli Jan. 10, 2011, 10:22 a.m. UTC
None
diff mbox

Patch

diff --git a/drivers/media/video/davinci/vpbe_venc.c b/drivers/media/video/davinci/vpbe_venc.c
new file mode 100644
index 0000000..1131e2d
--- /dev/null
+++ b/drivers/media/video/davinci/vpbe_venc.c
@@ -0,0 +1,556 @@ 
+/*
+ * Copyright (C) 2010 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
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/ctype.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/videodev2.h>
+#include <linux/slab.h>
+
+#include <mach/hardware.h>
+#include <mach/mux.h>
+#include <mach/io.h>
+#include <mach/i2c.h>
+
+#include <linux/io.h>
+
+#include <media/davinci/vpbe_types.h>
+#include <media/davinci/vpbe_venc.h>
+#include <media/davinci/vpss.h>
+#include <media/v4l2-device.h>
+
+#include "vpbe_venc_regs.h"
+
+#define MODULE_NAME	VPBE_VENC_SUBDEV_NAME
+
+static int debug = 2;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Debug level 0-2");
+
+struct venc_state {
+	struct v4l2_subdev sd;
+	struct venc_callback *callback;
+	struct venc_platform_data *pdata;
+	struct device *pdev;
+	u32 output;
+	v4l2_std_id std;
+	spinlock_t lock;
+	void __iomem *venc_base;
+	void __iomem *vdaccfg_reg;
+};
+
+static inline struct venc_state *to_state(struct v4l2_subdev *sd)
+{
+	return container_of(sd, struct venc_state, sd);
+}
+
+static inline u32 venc_read(struct v4l2_subdev *sd, u32 offset)
+{
+	struct venc_state *venc = to_state(sd);
+
+	return readl(venc->venc_base + offset);
+}
+
+static inline u32 venc_write(struct v4l2_subdev *sd, u32 offset, u32 val)
+{
+	struct venc_state *venc = to_state(sd);
+	writel(val, (venc->venc_base + offset));
+	return val;
+}
+
+static inline u32 venc_modify(struct v4l2_subdev *sd, u32 offset,
+				 u32 val, u32 mask)
+{
+	u32 new_val = (venc_read(sd, offset) & ~mask) | (val & mask);
+
+	venc_write(sd, offset, new_val);
+	return new_val;
+}
+
+static inline u32 vdaccfg_write(struct v4l2_subdev *sd, u32 val)
+{
+	struct venc_state *venc = to_state(sd);
+
+	writel(val, venc->vdaccfg_reg);
+
+	val = readl(venc->vdaccfg_reg);
+	return val;
+}
+
+/* This function sets the dac of the VPBE for various outputs
+ */
+static int venc_set_dac(struct v4l2_subdev *sd, u32 out_index)
+{
+	int ret = 0;
+
+	switch (out_index) {
+	case 0:
+		v4l2_dbg(debug, 1, sd, "Setting output to Composite\n");
+		venc_write(sd, VENC_DACSEL, 0);
+		break;
+	case 1:
+		v4l2_dbg(debug, 1, sd, "Setting output to S-Video\n");
+		venc_write(sd, VENC_DACSEL, 0x210);
+		break;
+	case  2:
+		venc_write(sd, VENC_DACSEL, 0x543);
+		break;
+	default:
+		ret = -EINVAL;
+	}
+	return ret;
+}
+
+static void venc_enabledigitaloutput(struct v4l2_subdev *sd, int benable)
+{
+	v4l2_dbg(debug, 2, sd, "venc_enabledigitaloutput\n");
+
+	if (benable) {
+		venc_write(sd, VENC_VMOD, 0);
+		venc_write(sd, VENC_CVBS, 0);
+		venc_write(sd, VENC_LCDOUT, 0);
+		venc_write(sd, VENC_HSPLS, 0);
+		venc_write(sd, VENC_HSTART, 0);
+		venc_write(sd, VENC_HVALID, 0);
+		venc_write(sd, VENC_HINT, 0);
+		venc_write(sd, VENC_VSPLS, 0);
+		venc_write(sd, VENC_VSTART, 0);
+		venc_write(sd, VENC_VVALID, 0);
+		venc_write(sd, VENC_VINT, 0);
+		venc_write(sd, VENC_YCCCTL, 0);
+		venc_write(sd, VENC_DACSEL, 0);
+
+	} else {
+		venc_write(sd, VENC_VMOD, 0);
+		/* disable VCLK output pin enable */
+		venc_write(sd, VENC_VIDCTL, 0x141);
+
+		/* Disable output sync pins */
+		venc_write(sd, VENC_SYNCCTL, 0);
+
+		/* Disable DCLOCK */
+		venc_write(sd, VENC_DCLKCTL, 0);
+		venc_write(sd, VENC_DRGBX1, 0x0000057C);
+
+		/* Disable LCD output control (accepting default polarity) */
+		venc_write(sd, VENC_LCDOUT, 0);
+		venc_write(sd, VENC_CMPNT, 0x100);
+		venc_write(sd, VENC_HSPLS, 0);
+		venc_write(sd, VENC_HINT, 0);
+		venc_write(sd, VENC_HSTART, 0);
+		venc_write(sd, VENC_HVALID, 0);
+
+		venc_write(sd, VENC_VSPLS, 0);
+		venc_write(sd, VENC_VINT, 0);
+		venc_write(sd, VENC_VSTART, 0);
+		venc_write(sd, VENC_VVALID, 0);
+
+		venc_write(sd, VENC_HSDLY, 0);
+		venc_write(sd, VENC_VSDLY, 0);
+
+		venc_write(sd, VENC_YCCCTL, 0);
+		venc_write(sd, VENC_VSTARTA, 0);
+
+		/* Set OSD clock and OSD Sync Adavance registers */
+		venc_write(sd, VENC_OSDCLK0, 1);
+		venc_write(sd, VENC_OSDCLK1, 2);
+	}
+}
+
+/*
+ * setting NTSC mode
+ */
+static int venc_set_ntsc(struct v4l2_subdev *sd)
+{
+	struct venc_state *venc = to_state(sd);
+	struct venc_platform_data *pdata = venc->pdata;
+
+	v4l2_dbg(debug, 2, sd, "venc_set_ntsc\n");
+
+	/* Setup clock at VPSS & VENC for SD */
+	vpss_enable_clock(VPSS_VENC_CLOCK_SEL, 1);
+	if (pdata->setup_clock(VPBE_ENC_STD, V4L2_STD_525_60) < 0)
+		return -EINVAL;
+
+	venc_enabledigitaloutput(sd, 0);
+
+	/* to set VENC CLK DIV to 1 - final clock is 54 MHz */
+	venc_modify(sd, VENC_VIDCTL, 0, 1 << 1);
+	/* Set REC656 Mode */
+	venc_write(sd, VENC_YCCCTL, 0x1);
+	venc_modify(sd, VENC_VDPRO, 0, VENC_VDPRO_DAFRQ);
+	venc_modify(sd, VENC_VDPRO, 0, VENC_VDPRO_DAUPS);
+
+	venc_write(sd, VENC_VMOD, 0);
+	venc_modify(sd, VENC_VMOD, (1 << VENC_VMOD_VIE_SHIFT),
+			VENC_VMOD_VIE);
+	venc_modify(sd, VENC_VMOD, (0 << VENC_VMOD_VMD), VENC_VMOD_VMD);
+	venc_modify(sd, VENC_VMOD, (0 << VENC_VMOD_TVTYP_SHIFT),
+			VENC_VMOD_TVTYP);
+	venc_write(sd, VENC_DACTST, 0x0);
+	venc_modify(sd, VENC_VMOD, VENC_VMOD_VENC, VENC_VMOD_VENC);
+	return 0;
+}
+
+/*
+ * setting PAL mode
+ */
+static int venc_set_pal(struct v4l2_subdev *sd)
+{
+	struct venc_state *venc = to_state(sd);
+
+	v4l2_dbg(debug, 2, sd, "venc_set_pal\n");
+
+	/* Setup clock at VPSS & VENC for SD */
+	vpss_enable_clock(VPSS_VENC_CLOCK_SEL, 1);
+	if (venc->pdata->setup_clock(VPBE_ENC_STD, V4L2_STD_625_50) < 0)
+		return -EINVAL;
+
+	venc_enabledigitaloutput(sd, 0);
+
+	/* to set VENC CLK DIV to 1 - final clock is 54 MHz */
+	venc_modify(sd, VENC_VIDCTL, 0, 1 << 1);
+	/* Set REC656 Mode */
+	venc_write(sd, VENC_YCCCTL, 0x1);
+
+	venc_modify(sd, VENC_SYNCCTL, 1 << VENC_SYNCCTL_OVD_SHIFT,
+			VENC_SYNCCTL_OVD);
+	venc_write(sd, VENC_VMOD, 0);
+	venc_modify(sd, VENC_VMOD,
+			(1 << VENC_VMOD_VIE_SHIFT),
+			VENC_VMOD_VIE);
+	venc_modify(sd, VENC_VMOD,
+			(0 << VENC_VMOD_VMD), VENC_VMOD_VMD);
+	venc_modify(sd, VENC_VMOD,
+			(1 << VENC_VMOD_TVTYP_SHIFT),
+			VENC_VMOD_TVTYP);
+	venc_write(sd, VENC_DACTST, 0x0);
+	venc_modify(sd, VENC_VMOD, VENC_VMOD_VENC, VENC_VMOD_VENC);
+	return 0;
+}
+
+/*
+ * venc_set_480p59_94
+ *
+ * This function configures the video encoder to EDTV(525p) component setting.
+ */
+static int venc_set_480p59_94(struct v4l2_subdev *sd)
+{
+	struct venc_state *venc = to_state(sd);
+	struct venc_platform_data *pdata = venc->pdata;
+
+	v4l2_dbg(debug, 2, sd, "venc_set_480p59_94\n");
+
+	/* Setup clock at VPSS & VENC for SD */
+	if (pdata->setup_clock(VPBE_ENC_DV_PRESET, V4L2_DV_480P59_94) < 0)
+		return -EINVAL;
+
+	venc_enabledigitaloutput(sd, 0);
+
+	venc_write(sd, VENC_OSDCLK0, 0);
+	venc_write(sd, VENC_OSDCLK1, 1);
+	venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAFRQ,
+		    VENC_VDPRO_DAFRQ);
+	venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAUPS,
+		    VENC_VDPRO_DAUPS);
+	venc_write(sd, VENC_VMOD, 0);
+	venc_modify(sd, VENC_VMOD, (1 << VENC_VMOD_VIE_SHIFT),
+		    VENC_VMOD_VIE);
+	venc_modify(sd, VENC_VMOD, VENC_VMOD_HDMD, VENC_VMOD_HDMD);
+	venc_modify(sd, VENC_VMOD, (HDTV_525P << VENC_VMOD_TVTYP_SHIFT),
+		    VENC_VMOD_TVTYP);
+	venc_modify(sd, VENC_VMOD, VENC_VMOD_VDMD_YCBCR8 <<
+		    VENC_VMOD_VDMD_SHIFT, VENC_VMOD_VDMD);
+
+	venc_modify(sd, VENC_VMOD, VENC_VMOD_VENC, VENC_VMOD_VENC);
+	return 0;
+}
+
+/*
+ * venc_set_625p
+ *
+ * This function configures the video encoder to HDTV(625p) component setting
+ */
+static int venc_set_576p50(struct v4l2_subdev *sd)
+{
+	struct venc_state *venc = to_state(sd);
+	struct venc_platform_data *pdata = venc->pdata;
+
+	v4l2_dbg(debug, 2, sd, "venc_set_576p50\n");
+
+	/* Setup clock at VPSS & VENC for SD */
+	if (pdata->setup_clock(VPBE_ENC_DV_PRESET, V4L2_DV_576P50) < 0)
+		return -EINVAL;
+
+	venc_enabledigitaloutput(sd, 0);
+
+	venc_write(sd, VENC_OSDCLK0, 0);
+	venc_write(sd, VENC_OSDCLK1, 1);
+
+	venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAFRQ,
+		    VENC_VDPRO_DAFRQ);
+	venc_modify(sd, VENC_VDPRO, VENC_VDPRO_DAUPS,
+		    VENC_VDPRO_DAUPS);
+
+	venc_write(sd, VENC_VMOD, 0);
+	venc_modify(sd, VENC_VMOD, (1 << VENC_VMOD_VIE_SHIFT),
+		    VENC_VMOD_VIE);
+	venc_modify(sd, VENC_VMOD, VENC_VMOD_HDMD, VENC_VMOD_HDMD);
+	venc_modify(sd, VENC_VMOD, (HDTV_625P << VENC_VMOD_TVTYP_SHIFT),
+		    VENC_VMOD_TVTYP);
+
+	venc_modify(sd, VENC_VMOD, VENC_VMOD_VDMD_YCBCR8 <<
+		    VENC_VMOD_VDMD_SHIFT, VENC_VMOD_VDMD);
+	venc_modify(sd, VENC_VMOD, VENC_VMOD_VENC, VENC_VMOD_VENC);
+	return 0;
+}
+
+static int venc_s_std_output(struct v4l2_subdev *sd, v4l2_std_id norm)
+{
+	v4l2_dbg(debug, 1, sd, "venc_s_std_output\n");
+
+	if (norm & V4L2_STD_525_60)
+		return venc_set_ntsc(sd);
+	else if (norm & V4L2_STD_625_50)
+		return venc_set_pal(sd);
+	return -EINVAL;
+}
+
+static int venc_s_dv_preset(struct v4l2_subdev *sd,
+			    struct v4l2_dv_preset *dv_preset)
+{
+	v4l2_dbg(debug, 1, sd, "venc_s_dv_preset\n");
+
+	if (dv_preset->preset == V4L2_DV_576P50)
+		return venc_set_576p50(sd);
+	else if (dv_preset->preset == V4L2_DV_480P59_94)
+		return venc_set_480p59_94(sd);
+	return -EINVAL;
+}
+
+static int venc_s_routing(struct v4l2_subdev *sd, u32 input, u32 output,
+			  u32 config)
+{
+	struct venc_state *venc = to_state(sd);
+	int max_output, lcd_out_index, ret = 0;
+
+	v4l2_dbg(debug, 1, sd, "venc_s_routing\n");
+
+	max_output = 2 + venc->pdata->num_lcd_outputs;
+	lcd_out_index = 3;
+
+	if (output >= max_output)
+		return -EINVAL;
+
+	if (output < lcd_out_index)
+		ret = venc_set_dac(sd, output);
+	if (!ret)
+		venc->output = output;
+	return ret;
+}
+
+static long venc_ioctl(struct v4l2_subdev *sd,
+			unsigned int cmd,
+			void *arg)
+{
+	u32 val;
+	switch (cmd) {
+	case VENC_GET_FLD:
+		val = venc_read(sd, VENC_VSTAT);
+		*((int *)arg) = ((val & VENC_VSTAT_FIDST) ==
+		VENC_VSTAT_FIDST);
+		break;
+	default:
+		v4l2_err(sd, "Wrong IOCTL cmd\n");
+		break;
+	}
+	return 0;
+}
+
+static const struct v4l2_subdev_core_ops venc_core_ops = {
+	.ioctl      = venc_ioctl,
+};
+
+static const struct v4l2_subdev_video_ops venc_video_ops = {
+	.s_routing = venc_s_routing,
+	.s_std_output = venc_s_std_output,
+	.s_dv_preset = venc_s_dv_preset,
+};
+
+static const struct v4l2_subdev_ops venc_ops = {
+	.core = &venc_core_ops,
+	.video = &venc_video_ops,
+};
+
+static int venc_initialize(struct v4l2_subdev *sd)
+{
+	struct venc_state *venc = to_state(sd);
+	int ret = 0;
+
+	/* Set default to output to composite and std to NTSC */
+	venc->output = 0;
+	venc->std = V4L2_STD_525_60;
+
+	ret = venc_s_routing(sd, 0, venc->output, 0);
+	if (ret < 0) {
+		v4l2_err(sd, "Error setting output during init\n");
+		return -EINVAL;
+	}
+
+	ret = venc_s_std_output(sd, venc->std);
+	if (ret < 0) {
+		v4l2_err(sd, "Error setting std during init\n");
+		return -EINVAL;
+	}
+	return ret;
+}
+
+static int venc_device_get(struct device *dev, void *data)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct venc_state **venc = data;
+
+	if (strcmp(MODULE_NAME, pdev->name) == 0)
+		*venc = platform_get_drvdata(pdev);
+	return 0;
+}
+
+struct v4l2_subdev *venc_sub_dev_init(struct v4l2_device *v4l2_dev,
+		const char *venc_name)
+{
+	struct venc_state *venc;
+	int err;
+
+	err = bus_for_each_dev(&platform_bus_type, NULL, &venc,
+			venc_device_get);
+	if (venc == NULL)
+		return NULL;
+
+	v4l2_subdev_init(&venc->sd, &venc_ops);
+
+	strcpy(venc->sd.name, venc_name);
+	if (v4l2_device_register_subdev(v4l2_dev, &venc->sd) < 0) {
+		v4l2_err(v4l2_dev,
+			"vpbe unable to register venc sub device\n");
+		return NULL;
+	}
+	if (venc_initialize(&venc->sd)) {
+		v4l2_err(v4l2_dev,
+			"vpbe venc initialization failed\n");
+		return NULL;
+	}
+	return &venc->sd;
+}
+EXPORT_SYMBOL(venc_sub_dev_init);
+
+static int venc_probe(struct platform_device *pdev)
+{
+	struct venc_state *venc;
+	struct resource *res;
+	int ret;
+
+	venc = kzalloc(sizeof(struct venc_state), GFP_KERNEL);
+	if (venc == NULL)
+		return -ENOMEM;
+
+	venc->pdev = &pdev->dev;
+	venc->pdata = pdev->dev.platform_data;
+	if (NULL == venc->pdata) {
+		dev_err(venc->pdev, "Unable to get platform data for"
+			" VENC sub device");
+		ret = -ENOENT;
+		goto free_mem;
+	}
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(venc->pdev,
+			"Unable to get VENC register address map\n");
+		ret = -ENODEV;
+		goto free_mem;
+	}
+
+	if (!request_mem_region(res->start, resource_size(res), "venc")) {
+		dev_err(venc->pdev, "Unable to reserve VENC MMIO region\n");
+		ret = -ENODEV;
+		goto free_mem;
+	}
+
+	venc->venc_base = ioremap_nocache(res->start, resource_size(res));
+	if (!venc->venc_base) {
+		dev_err(venc->pdev, "Unable to map VENC IO space\n");
+		ret = -ENODEV;
+		goto release_venc_mem_region;
+	}
+
+	spin_lock_init(&venc->lock);
+	platform_set_drvdata(pdev, venc);
+	dev_notice(venc->pdev, "VENC sub device probe success\n");
+	return 0;
+
+release_venc_mem_region:
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	release_mem_region(res->start, resource_size(res));
+free_mem:
+	kfree(venc);
+	return ret;
+}
+
+static int venc_remove(struct platform_device *pdev)
+{
+	struct venc_state *venc = platform_get_drvdata(pdev);
+	struct resource *res;
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	iounmap((void *)venc->venc_base);
+	release_mem_region(res->start, resource_size(res));
+	kfree(venc);
+	return 0;
+}
+
+static struct platform_driver venc_driver = {
+	.probe		= venc_probe,
+	.remove		= venc_remove,
+	.driver		= {
+		.name	= MODULE_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int venc_init(void)
+{
+	if (platform_driver_register(&venc_driver)) {
+		printk(KERN_ERR "Unable to register venc driver\n");
+		return -ENODEV;
+	}
+	return 0;
+}
+
+static void venc_exit(void)
+{
+	platform_driver_unregister(&venc_driver);
+	return;
+}
+
+module_init(venc_init);
+module_exit(venc_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("VPBE VENC Driver");
+MODULE_AUTHOR("Texas Instruments");
diff --git a/drivers/media/video/davinci/vpbe_venc_regs.h b/drivers/media/video/davinci/vpbe_venc_regs.h
new file mode 100644
index 0000000..947cb15
--- /dev/null
+++ b/drivers/media/video/davinci/vpbe_venc_regs.h
@@ -0,0 +1,177 @@ 
+/*
+ * Copyright (C) 2006-2010 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
+ */
+#ifndef _VPBE_VENC_REGS_H
+#define _VPBE_VENC_REGS_H
+
+/* VPBE Video Encoder / Digital LCD Subsystem Registers (VENC) */
+#define VENC_VMOD				0x00
+#define VENC_VIDCTL				0x04
+#define VENC_VDPRO				0x08
+#define VENC_SYNCCTL				0x0C
+#define VENC_HSPLS				0x10
+#define VENC_VSPLS				0x14
+#define VENC_HINT				0x18
+#define VENC_HSTART				0x1C
+#define VENC_HVALID				0x20
+#define VENC_VINT				0x24
+#define VENC_VSTART				0x28
+#define VENC_VVALID				0x2C
+#define VENC_HSDLY				0x30
+#define VENC_VSDLY				0x34
+#define VENC_YCCCTL				0x38
+#define VENC_RGBCTL				0x3C
+#define VENC_RGBCLP				0x40
+#define VENC_LINECTL				0x44
+#define VENC_CULLLINE				0x48
+#define VENC_LCDOUT				0x4C
+#define VENC_BRTS				0x50
+#define VENC_BRTW				0x54
+#define VENC_ACCTL				0x58
+#define VENC_PWMP				0x5C
+#define VENC_PWMW				0x60
+#define VENC_DCLKCTL				0x64
+#define VENC_DCLKPTN0				0x68
+#define VENC_DCLKPTN1				0x6C
+#define VENC_DCLKPTN2				0x70
+#define VENC_DCLKPTN3				0x74
+#define VENC_DCLKPTN0A				0x78
+#define VENC_DCLKPTN1A				0x7C
+#define VENC_DCLKPTN2A				0x80
+#define VENC_DCLKPTN3A				0x84
+#define VENC_DCLKHS				0x88
+#define VENC_DCLKHSA				0x8C
+#define VENC_DCLKHR				0x90
+#define VENC_DCLKVS				0x94
+#define VENC_DCLKVR				0x98
+#define VENC_CAPCTL				0x9C
+#define VENC_CAPDO				0xA0
+#define VENC_CAPDE				0xA4
+#define VENC_ATR0				0xA8
+#define VENC_ATR1				0xAC
+#define VENC_ATR2				0xB0
+#define VENC_VSTAT				0xB8
+#define VENC_RAMADR				0xBC
+#define VENC_RAMPORT				0xC0
+#define VENC_DACTST				0xC4
+#define VENC_YCOLVL				0xC8
+#define VENC_SCPROG				0xCC
+#define VENC_CVBS				0xDC
+#define VENC_CMPNT				0xE0
+#define VENC_ETMG0				0xE4
+#define VENC_ETMG1				0xE8
+#define VENC_ETMG2				0xEC
+#define VENC_ETMG3				0xF0
+#define VENC_DACSEL				0xF4
+#define VENC_ARGBX0				0x100
+#define VENC_ARGBX1				0x104
+#define VENC_ARGBX2				0x108
+#define VENC_ARGBX3				0x10C
+#define VENC_ARGBX4				0x110
+#define VENC_DRGBX0				0x114
+#define VENC_DRGBX1				0x118
+#define VENC_DRGBX2				0x11C
+#define VENC_DRGBX3				0x120
+#define VENC_DRGBX4				0x124
+#define VENC_VSTARTA				0x128
+#define VENC_OSDCLK0				0x12C
+#define VENC_OSDCLK1				0x130
+#define VENC_HVLDCL0				0x134
+#define VENC_HVLDCL1				0x138
+#define VENC_OSDHADV				0x13C
+#define VENC_CLKCTL				0x140
+#define VENC_GAMCTL				0x144
+#define VENC_XHINTVL				0x174
+
+/* bit definitions */
+#define VPBE_PCR_VENC_DIV			(1 << 1)
+#define VPBE_PCR_CLK_OFF			(1 << 0)
+
+#define VENC_VMOD_VDMD_SHIFT			12
+#define VENC_VMOD_VDMD_YCBCR16			0
+#define VENC_VMOD_VDMD_YCBCR8			1
+#define VENC_VMOD_VDMD_RGB666			2
+#define VENC_VMOD_VDMD_RGB8			3
+#define VENC_VMOD_VDMD_EPSON			4
+#define VENC_VMOD_VDMD_CASIO			5
+#define VENC_VMOD_VDMD_UDISPQVGA		6
+#define VENC_VMOD_VDMD_STNLCD			7
+#define VENC_VMOD_VIE_SHIFT			1
+#define VENC_VMOD_VDMD				(7 << 12)
+#define VENC_VMOD_ITLCL				(1 << 11)
+#define VENC_VMOD_ITLC				(1 << 10)
+#define VENC_VMOD_NSIT				(1 << 9)
+#define VENC_VMOD_HDMD				(1 << 8)
+#define VENC_VMOD_TVTYP_SHIFT			6
+#define VENC_VMOD_TVTYP				(3 << 6)
+#define VENC_VMOD_SLAVE				(1 << 5)
+#define VENC_VMOD_VMD				(1 << 4)
+#define VENC_VMOD_BLNK				(1 << 3)
+#define VENC_VMOD_VIE				(1 << 1)
+#define VENC_VMOD_VENC				(1 << 0)
+
+/* VMOD TVTYP options for HDMD=0 */
+#define SDTV_NTSC				0
+#define SDTV_PAL				1
+/* VMOD TVTYP options for HDMD=1 */
+#define HDTV_525P				0
+#define HDTV_625P				1
+#define HDTV_1080I				2
+#define HDTV_720P				3
+
+#define VENC_VIDCTL_VCLKP			(1 << 14)
+#define VENC_VIDCTL_VCLKE_SHIFT			13
+#define VENC_VIDCTL_VCLKE			(1 << 13)
+#define VENC_VIDCTL_VCLKZ_SHIFT			12
+#define VENC_VIDCTL_VCLKZ			(1 << 12)
+#define VENC_VIDCTL_SYDIR_SHIFT			8
+#define VENC_VIDCTL_SYDIR			(1 << 8)
+#define VENC_VIDCTL_DOMD_SHIFT			4
+#define VENC_VIDCTL_DOMD			(3 << 4)
+#define VENC_VIDCTL_YCDIR_SHIFT			0
+#define VENC_VIDCTL_YCDIR			(1 << 0)
+
+#define VENC_VDPRO_ATYCC_SHIFT			5
+#define VENC_VDPRO_ATYCC			(1 << 5)
+#define VENC_VDPRO_ATCOM_SHIFT			4
+#define VENC_VDPRO_ATCOM			(1 << 4)
+#define VENC_VDPRO_DAFRQ			(1 << 3)
+#define VENC_VDPRO_DAUPS			(1 << 2)
+#define VENC_VDPRO_CUPS				(1 << 1)
+#define VENC_VDPRO_YUPS				(1 << 0)
+
+#define VENC_SYNCCTL_VPL_SHIFT			3
+#define VENC_SYNCCTL_VPL			(1 << 3)
+#define VENC_SYNCCTL_HPL_SHIFT			2
+#define VENC_SYNCCTL_HPL			(1 << 2)
+#define VENC_SYNCCTL_SYEV_SHIFT			1
+#define VENC_SYNCCTL_SYEV			(1 << 1)
+#define VENC_SYNCCTL_SYEH_SHIFT			0
+#define VENC_SYNCCTL_SYEH			(1 << 0)
+#define VENC_SYNCCTL_OVD_SHIFT			14
+#define VENC_SYNCCTL_OVD			(1 << 14)
+
+#define VENC_DCLKCTL_DCKEC_SHIFT		11
+#define VENC_DCLKCTL_DCKEC			(1 << 11)
+#define VENC_DCLKCTL_DCKPW_SHIFT		0
+#define VENC_DCLKCTL_DCKPW			(0x3f << 0)
+
+#define VENC_VSTAT_FIDST			(1 << 4)
+
+#define VENC_CMPNT_MRGB_SHIFT			14
+#define VENC_CMPNT_MRGB				(1 << 14)
+
+#endif				/* _VPBE_VENC_REGS_H */
diff --git a/include/media/davinci/vpbe_venc.h b/include/media/davinci/vpbe_venc.h
new file mode 100644
index 0000000..1e145f8
--- /dev/null
+++ b/include/media/davinci/vpbe_venc.h
@@ -0,0 +1,41 @@ 
+/*
+ * Copyright (C) 2010 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
+ */
+#ifndef _VPBE_VENC_H
+#define _VPBE_VENC_H
+
+#include <media/v4l2-subdev.h>
+
+#define VPBE_VENC_SUBDEV_NAME "vpbe-venc"
+
+/* venc events */
+#define VENC_END_OF_FRAME	BIT(0)
+#define VENC_FIRST_FIELD	BIT(1)
+#define VENC_SECOND_FIELD	BIT(2)
+
+struct venc_platform_data {
+	enum vpbe_types venc_type;
+	int (*setup_clock)(enum vpbe_enc_timings_type type,
+			__u64 mode);
+	/* Number of LCD outputs supported */
+	int num_lcd_outputs;
+};
+
+enum venc_ioctls {
+	VENC_GET_FLD = 1,
+};
+
+#endif