1 files changed, 227 insertions, 0 deletions
diff --git a/drivers/media/video/stv680.h b/drivers/media/video/stv680.h
new file mode 100644
index 00000000000..a08f1b08a4b
--- /dev/null
+++ b/drivers/media/video/stv680.h
@@ -0,0 +1,227 @@
+/****************************************************************************
+ *
+ *  Filename: stv680.h
+ *
+ *  Description:
+ *     This is a USB driver for STV0680 based usb video cameras.
+ *
+ *  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; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ ****************************************************************************/
+
+/* size of usb transfers */
+#define STV680_PACKETSIZE	4096
+
+/* number of queued bulk transfers to use, may have problems if > 1 */
+#define STV680_NUMSBUF		1
+
+/* number of frames supported by the v4l part */
+#define STV680_NUMFRAMES	2
+
+/* scratch buffers for passing data to the decoders: 2 or 4 are good */
+#define STV680_NUMSCRATCH	2
+
+/* number of nul sized packets to receive before kicking the camera */
+#define STV680_MAX_NULLPACKETS	200
+
+/* number of decoding errors before kicking the camera */
+#define STV680_MAX_ERRORS	100
+
+#define USB_PENCAM_VENDOR_ID	0x0553
+#define USB_PENCAM_PRODUCT_ID	0x0202
+
+#define USB_CREATIVEGOMINI_VENDOR_ID	0x041e
+#define USB_CREATIVEGOMINI_PRODUCT_ID	0x4007
+
+#define PENCAM_TIMEOUT          1000
+/* fmt 4 */
+#define STV_VIDEO_PALETTE       VIDEO_PALETTE_RGB24
+
+static struct usb_device_id device_table[] = {
+	{USB_DEVICE (USB_PENCAM_VENDOR_ID, USB_PENCAM_PRODUCT_ID)},
+	{USB_DEVICE (USB_CREATIVEGOMINI_VENDOR_ID, USB_CREATIVEGOMINI_PRODUCT_ID)},
+	{}
+};
+MODULE_DEVICE_TABLE (usb, device_table);
+
+struct stv680_sbuf {
+	unsigned char *data;
+};
+
+enum {
+	FRAME_UNUSED,		/* Unused (no MCAPTURE) */
+	FRAME_READY,		/* Ready to start grabbing */
+	FRAME_GRABBING,		/* In the process of being grabbed into */
+	FRAME_DONE,		/* Finished grabbing, but not been synced yet */
+	FRAME_ERROR,		/* Something bad happened while processing */
+};
+
+enum {
+	BUFFER_UNUSED,
+	BUFFER_READY,
+	BUFFER_BUSY,
+	BUFFER_DONE,
+};
+
+/* raw camera data <- sbuf (urb transfer buf) */
+struct stv680_scratch {
+	unsigned char *data;
+	volatile int state;
+	int offset;
+	int length;
+};
+
+/* processed data for display ends up here, after bayer */
+struct stv680_frame {
+	unsigned char *data;	/* Frame buffer */
+	volatile int grabstate;	/* State of grabbing */
+	unsigned char *curline;
+	int curlinepix;
+	int curpix;
+};
+
+/* this is almost the video structure uvd_t, with extra parameters for stv */
+struct usb_stv {
+	struct video_device *vdev;
+
+	struct usb_device *udev;
+
+	unsigned char bulk_in_endpointAddr;	/* __u8  the address of the bulk in endpoint */
+	char *camera_name;
+
+	unsigned int VideoMode;	/* 0x0100 = VGA, 0x0000 = CIF, 0x0300 = QVGA */
+	int SupportedModes;
+	int CIF;
+	int VGA;
+	int QVGA;
+	int cwidth;		/* camera width */
+	int cheight;		/* camera height */
+	int maxwidth;		/* max video width */
+	int maxheight;		/* max video height */
+	int vwidth;		/* current width for video window */
+	int vheight;		/* current height for video window */
+	unsigned long int rawbufsize;
+	unsigned long int maxframesize;	/* rawbufsize * 3 for RGB */
+
+	int origGain;
+	int origMode;		/* original camera mode */
+
+	struct mutex lock;	/* to lock the structure */
+	int user;		/* user count for exclusive use */
+	int removed;		/* device disconnected */
+	int streaming;		/* Are we streaming video? */
+	char *fbuf;		/* Videodev buffer area */
+	struct urb *urb[STV680_NUMSBUF];	/* # of queued bulk transfers */
+	int curframe;		/* Current receiving frame */
+	struct stv680_frame frame[STV680_NUMFRAMES];	/* # frames supported by v4l part */
+	int readcount;
+	int framecount;
+	int error;
+	int dropped;
+	int scratch_next;
+	int scratch_use;
+	int scratch_overflow;
+	struct stv680_scratch scratch[STV680_NUMSCRATCH];	/* for decoders */
+	struct stv680_sbuf sbuf[STV680_NUMSBUF];
+
+	unsigned int brightness;
+	unsigned int chgbright;
+	unsigned int whiteness;
+	unsigned int colour;
+	unsigned int contrast;
+	unsigned int hue;
+	unsigned int palette;
+	unsigned int depth;	/* rgb24 in bits */
+
+	wait_queue_head_t wq;	/* Processes waiting */
+
+	int nullpackets;
+};
+
+
+static const unsigned char red[256] = {
+	0, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
+	18, 18, 18, 18, 18, 18, 18, 25, 30, 35, 38, 42,
+	44, 47, 50, 53, 54, 57, 59, 61, 63, 65, 67, 69,
+	71, 71, 73, 75, 77, 78, 80, 81, 82, 84, 85, 87,
+	88, 89, 90, 91, 93, 94, 95, 97, 98, 98, 99, 101,
+	102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113,
+	114, 115, 116, 116, 117, 118, 119, 120, 121, 122, 123, 124,
+	125, 125, 126, 127, 128, 129, 129, 130, 131, 132, 133, 134,
+	134, 135, 135, 136, 137, 138, 139, 140, 140, 141, 142, 143,
+	143, 143, 144, 145, 146, 147, 147, 148, 149, 150, 150, 151,
+	152, 152, 152, 153, 154, 154, 155, 156, 157, 157, 158, 159,
+	159, 160, 161, 161, 161, 162, 163, 163, 164, 165, 165, 166,
+	167, 167, 168, 168, 169, 170, 170, 170, 171, 171, 172, 173,
+	173, 174, 174, 175, 176, 176, 177, 178, 178, 179, 179, 179,
+	180, 180, 181, 181, 182, 183, 183, 184, 184, 185, 185, 186,
+	187, 187, 188, 188, 188, 188, 189, 190, 190, 191, 191, 192,
+	192, 193, 193, 194, 195, 195, 196, 196, 197, 197, 197, 197,
+	198, 198, 199, 199, 200, 201, 201, 202, 202, 203, 203, 204,
+	204, 205, 205, 206, 206, 206, 206, 207, 207, 208, 208, 209,
+	209, 210, 210, 211, 211, 212, 212, 213, 213, 214, 214, 215,
+	215, 215, 215, 216, 216, 217, 217, 218, 218, 218, 219, 219,
+	220, 220, 221, 221
+};
+
+static const unsigned char green[256] = {
+	0, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
+	21, 21, 21, 21, 21, 21, 21, 28, 34, 39, 43, 47,
+	50, 53, 56, 59, 61, 64, 66, 68, 71, 73, 75, 77,
+	79, 80, 82, 84, 86, 87, 89, 91, 92, 94, 95, 97,
+	98, 100, 101, 102, 104, 105, 106, 108, 109, 110, 111, 113,
+	114, 115, 116, 117, 118, 120, 121, 122, 123, 124, 125, 126,
+	127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138,
+	139, 140, 141, 142, 143, 144, 144, 145, 146, 147, 148, 149,
+	150, 151, 151, 152, 153, 154, 155, 156, 156, 157, 158, 159,
+	160, 160, 161, 162, 163, 164, 164, 165, 166, 167, 167, 168,
+	169, 170, 170, 171, 172, 172, 173, 174, 175, 175, 176, 177,
+	177, 178, 179, 179, 180, 181, 182, 182, 183, 184, 184, 185,
+	186, 186, 187, 187, 188, 189, 189, 190, 191, 191, 192, 193,
+	193, 194, 194, 195, 196, 196, 197, 198, 198, 199, 199, 200,
+	201, 201, 202, 202, 203, 204, 204, 205, 205, 206, 206, 207,
+	208, 208, 209, 209, 210, 210, 211, 212, 212, 213, 213, 214,
+	214, 215, 215, 216, 217, 217, 218, 218, 219, 219, 220, 220,
+	221, 221, 222, 222, 223, 224, 224, 225, 225, 226, 226, 227,
+	227, 228, 228, 229, 229, 230, 230, 231, 231, 232, 232, 233,
+	233, 234, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239,
+	239, 240, 240, 241, 241, 242, 242, 243, 243, 243, 244, 244,
+	245, 245, 246, 246
+};
+
+static const unsigned char blue[256] = {
+	0, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
+	23, 23, 23, 23, 23, 23, 23, 30, 37, 42, 47, 51,
+	55, 58, 61, 64, 67, 70, 72, 74, 78, 80, 82, 84,
+	86, 88, 90, 92, 94, 95, 97, 100, 101, 103, 104, 106,
+	107, 110, 111, 112, 114, 115, 116, 118, 119, 121, 122, 124,
+	125, 126, 127, 128, 129, 132, 133, 134, 135, 136, 137, 138,
+	139, 140, 141, 143, 144, 145, 146, 147, 148, 149, 150, 151,
+	152, 154, 155, 156, 157, 158, 158, 159, 160, 161, 162, 163,
+	165, 166, 166, 167, 168, 169, 170, 171, 171, 172, 173, 174,
+	176, 176, 177, 178, 179, 180, 180, 181, 182, 183, 183, 184,
+	185, 187, 187, 188, 189, 189, 190, 191, 192, 192, 193, 194,
+	194, 195, 196, 196, 198, 199, 200, 200, 201, 202, 202, 203,
+	204, 204, 205, 205, 206, 207, 207, 209, 210, 210, 211, 212,
+	212, 213, 213, 214, 215, 215, 216, 217, 217, 218, 218, 220,
+	221, 221, 222, 222, 223, 224, 224, 225, 225, 226, 226, 227,
+	228, 228, 229, 229, 231, 231, 232, 233, 233, 234, 234, 235,
+	235, 236, 236, 237, 238, 238, 239, 239, 240, 240, 242, 242,
+	243, 243, 244, 244, 245, 246, 246, 247, 247, 248, 248, 249,
+	249, 250, 250, 251, 251, 253, 253, 254, 254, 255, 255, 255,
+	255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+	255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+	255, 255, 255, 255
+};