|  | /**************************************************************************** | 
|  | * | 
|  | *  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 semaphore 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 | 
|  | }; |