Add Samsung S3C camera driver for V4L

This is the original Samsung S3C camera driver code from the 2.6.21 BSP.
The changes that are needed to make this work in 2.6.29 are in the next
patch.

Signed-off-by: Werner Almesberger <werner@openmoko.org>

1 files changed, 210 insertions, 0 deletions

diff --git a/drivers/media/video/videodev2_s3c.h b/drivers/media/video/videodev2_s3c.h
new file mode 100644
index 00000000000..efbcd71830a
--- /dev/null
+++ b/drivers/media/video/videodev2_s3c.h
@@ -0,0 +1,210 @@
+#ifndef __VIDEODEV2_S3C_H_
+#define __VIDEODEV2_S3C_H_
+
+#include <linux/videodev2.h>
+
+#define V4L2_INPUT_TYPE_MSDMA		3
+#define V4L2_INPUT_TYPE_INTERLACE	4
+
+/****************************************************************
+* struct v4l2_control
+* Control IDs defined by S3C
+*****************************************************************/
+/* Image Effect */
+#define V4L2_CID_ORIGINAL		(V4L2_CID_PRIVATE_BASE + 0)
+#define V4L2_CID_ARBITRARY		(V4L2_CID_PRIVATE_BASE + 1)
+#define V4L2_CID_NEGATIVE 		(V4L2_CID_PRIVATE_BASE + 2)
+#define V4L2_CID_ART_FREEZE		(V4L2_CID_PRIVATE_BASE + 3)
+#define V4L2_CID_EMBOSSING		(V4L2_CID_PRIVATE_BASE + 4)
+#define V4L2_CID_SILHOUETTE		(V4L2_CID_PRIVATE_BASE + 5)
+
+/* Image Rotate */
+#define V4L2_CID_ROTATE_90		(V4L2_CID_PRIVATE_BASE + 6)
+#define V4L2_CID_ROTATE_180		(V4L2_CID_PRIVATE_BASE + 7)
+#define V4L2_CID_ROTATE_270		(V4L2_CID_PRIVATE_BASE + 8)
+#define V4L2_CID_ROTATE_BYPASS		(V4L2_CID_PRIVATE_BASE + 9)
+
+/* Zoom-in, Zoom-out */
+#define	V4L2_CID_ZOOMIN			(V4L2_CID_PRIVATE_BASE + 10)
+#define V4L2_CID_ZOOMOUT		(V4L2_CID_PRIVATE_BASE + 11)
+
+/****************************************************************
+*	I O C T L   C O D E S   F O R   V I D E O   D E V I C E S
+*    	 It's only for S3C
+*****************************************************************/
+#define VIDIOC_S_CAMERA_START 		_IO  ('V', BASE_VIDIOC_PRIVATE + 0)
+#define VIDIOC_S_CAMERA_STOP		_IO  ('V', BASE_VIDIOC_PRIVATE + 1)
+#define VIDIOC_MSDMA_START		_IOW ('V', BASE_VIDIOC_PRIVATE + 2, struct v4l2_msdma_format)
+#define VIDIOC_MSDMA_STOP		_IOW ('V', BASE_VIDIOC_PRIVATE + 3, struct v4l2_msdma_format)
+#define VIDIOC_S_MSDMA			_IOW ('V', BASE_VIDIOC_PRIVATE + 4, struct v4l2_msdma_format)
+#define VIDIOC_S_INTERLACE_MODE     	_IOW ('V', BASE_VIDIOC_PRIVATE + 5, struct v4l2_interlace_format)
+
+/*
+ *	INTERLACE MODE
+ */
+#define	S3C_VIDEO_DECODER_PAL		1	/* can decode PAL signal */
+#define	S3C_VIDEO_DECODER_NTSC		2	/* can decode NTSC */
+#define	S3C_VIDEO_DECODER_SECAM		4	/* can decode SECAM */
+#define	S3C_VIDEO_DECODER_AUTO		8	/* can autosense norm */
+#define	S3C_VIDEO_DECODER_CCIR		16	/* CCIR-601 pixel rate (720 pixels per line) instead of square pixel rate */
+
+#define S3C_DECODER_INIT		_IOW ('V', BASE_VIDIOC_PRIVATE + 14, struct s3c_video_decoder_init)	/* init internal registers at once */
+#define	S3C_DECODER_GET_CAPABILITIES	_IOR ('V', BASE_VIDIOC_PRIVATE + 6,  struct s3c_video_decoder_capability)
+#define	S3C_DECODER_GET_STATUS    	_IOR ('V', BASE_VIDIOC_PRIVATE + 7,  int)
+#define	S3C_DECODER_SET_NORM		_IOW ('V', BASE_VIDIOC_PRIVATE + 8,  int)
+#define	S3C_DECODER_SET_INPUT		_IOW ('V', BASE_VIDIOC_PRIVATE + 9,  int)					/* 0 <= input < #inputs */
+#define	S3C_DECODER_SET_OUTPUT		_IOW ('V', BASE_VIDIOC_PRIVATE + 10, int)					/* 0 <= output < #outputs */
+#define	S3C_DECODER_ENABLE_OUTPUT	_IOW ('V', BASE_VIDIOC_PRIVATE + 11, int)					/* boolean output enable control */
+#define	S3C_DECODER_SET_PICTURE   	_IOW ('V', BASE_VIDIOC_PRIVATE + 12, struct video_picture)
+#define	S3C_DECODER_SET_GPIO		_IOW ('V', BASE_VIDIOC_PRIVATE + 13, int)					/* switch general purpose pin */
+#define	S3C_DECODER_SET_VBI_BYPASS	_IOW ('V', BASE_VIDIOC_PRIVATE + 15, int)					/* switch vbi bypass */
+#define	S3C_DECODER_DUMP		_IO  ('V', BASE_VIDIOC_PRIVATE + 16)					/* debug hook */
+
+enum v4l2_msdma_input {
+	V4L2_MSDMA_CODEC = 1,
+	V4L2_MSDMA_PREVIEW = 2,
+};
+
+struct v4l2_msdma_format
+{
+	__u32         		width;		/* MSDMA INPUT : Source X size */
+	__u32			height;		/* MSDMA INPUT : Source Y size */
+	__u32			pixelformat;
+	enum v4l2_msdma_input  	input_path;
+};
+
+struct v4l2_interlace_format
+{
+	__u32 width;	/* INTERLACE INPUT : Source X size */
+	__u32 height;	/* INTERLACE INPUT : Source Y size */
+};
+
+struct s3c_video_decoder_init {
+	unsigned char len;
+	const unsigned char *data;
+};
+
+struct s3c_video_decoder_capability {	/* this name is too long */
+	__u32	flags;
+	int	inputs;			/* number of inputs */
+	int	outputs;		/* number of outputs */
+};
+
+static struct v4l2_input fimc_inputs[] = {
+	{
+		.index		= 0,
+		.name		= "S3C FIMC External Camera Input",
+		.type		= V4L2_INPUT_TYPE_CAMERA,
+		.audioset	= 1,
+		.tuner		= 0,
+		.std		= V4L2_STD_PAL_BG | V4L2_STD_NTSC_M,
+		.status		= 0,
+	}, 
+	{
+		.index		= 1,
+		.name		= "Memory Input (MSDMA)",
+		.type		= V4L2_INPUT_TYPE_MSDMA,
+		.audioset	= 2,
+		.tuner		= 0,
+		.std		= V4L2_STD_PAL_BG | V4L2_STD_NTSC_M,
+		.status		= 0,
+	}
+};
+
+static struct v4l2_output fimc_outputs[] = {
+	{
+		.index		= 0,
+		.name		= "Pingpong Memory Output",
+		.type		= 0,
+		.audioset	= 0,
+		.modulator	= 0, 
+		.std		= 0,
+	}, 
+	{
+		.index		= 1,
+		.name		= "LCD FIFO Output",
+		.type		= 0,
+		.audioset	= 0,
+		.modulator	= 0,
+		.std		= 0,
+	} 
+};
+
+const struct v4l2_fmtdesc fimc_codec_formats[] = {
+	{
+		.index		= 0,
+		.type		= V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		.flags		= FORMAT_FLAGS_PACKED,
+		.description	= "16 bpp RGB, le",
+		.pixelformat	= V4L2_PIX_FMT_RGB565,
+	},
+	{
+		.index		= 1,
+		.type		= V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		.flags		= FORMAT_FLAGS_PACKED,
+		.description	= "32 bpp RGB, le",
+		.pixelformat	= V4L2_PIX_FMT_BGR32,
+	},
+	{
+		.index		= 2,
+		.type		= V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		.flags		= FORMAT_FLAGS_PLANAR,
+		.description	= "4:2:2, planar, Y-Cb-Cr",
+		.pixelformat	= V4L2_PIX_FMT_YUV422P,
+
+	},
+	{
+		.index		= 3,
+		.type		= V4L2_BUF_TYPE_VIDEO_CAPTURE,
+		.flags		= FORMAT_FLAGS_PLANAR,
+		.description	= "4:2:0, planar, Y-Cb-Cr",
+		.pixelformat	= V4L2_PIX_FMT_YUV420,
+	}
+};
+
+const struct v4l2_fmtdesc fimc_preview_formats[] = {
+	{
+		.index		= 0,
+		.type		= V4L2_BUF_TYPE_VIDEO_OVERLAY,
+		.flags		= FORMAT_FLAGS_PACKED,
+		.description	= "16 bpp RGB, le",
+		.pixelformat	= V4L2_PIX_FMT_RGB565,		
+	},
+	{
+		.index		= 1,
+		.type		= V4L2_BUF_TYPE_VIDEO_OVERLAY,
+		.flags		= FORMAT_FLAGS_PACKED,
+		.description	= "24 bpp RGB, le",
+		.pixelformat	= V4L2_PIX_FMT_RGB24,		
+	},
+	{
+		.index		= 2,
+		.type		= V4L2_BUF_TYPE_VIDEO_OVERLAY,
+		.flags		= FORMAT_FLAGS_PACKED,
+		.description	= "32 bpp RGB, le",
+		.pixelformat	= V4L2_PIX_FMT_BGR32,
+	},
+	{
+		.index		= 3,
+		.type		= V4L2_BUF_TYPE_VIDEO_OVERLAY,
+		.flags		= FORMAT_FLAGS_PLANAR,
+		.description	= "4:2:2, planar, Y-Cb-Cr",
+		.pixelformat	= V4L2_PIX_FMT_YUV422P,
+
+	},
+	{
+		.index		= 4,
+		.type		= V4L2_BUF_TYPE_VIDEO_OVERLAY,
+		.flags		= FORMAT_FLAGS_PLANAR,
+		.description	= "4:2:0, planar, Y-Cb-Cr",
+		.pixelformat	= V4L2_PIX_FMT_YUV420,
+	}
+};
+
+#define NUMBER_OF_PREVIEW_FORMATS  	ARRAY_SIZE(fimc_preview_formats)
+#define NUMBER_OF_CODEC_FORMATS	        ARRAY_SIZE(fimc_codec_formats)
+#define NUMBER_OF_INPUTS	        ARRAY_SIZE(fimc_inputs)
+#define NUMBER_OF_OUTPUTS	        ARRAY_SIZE(fimc_outputs)
+
+#endif
+