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stv0680.h

/*
 * STV0680 Vision Camera Chipset Driver
 * Copyright  2000 Adam Harrison <adam@antispin.org> 
 * 
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA   
 */

#ifndef STV0680_H
#define STV0680_H

#define CMDID_CLEAR_COMMS_ERROR           0x80
struct stv680_error_info {
    unsigned char error;
#define           CAMERR_OK                     0
#define           CAMERR_BUSY                   1
#define           CAMERR_TIMEOUT                      2
#define           CAMERR_V2W_ERROR              3
#define           CAMERR_COMMS_ERROR                  4
#define           CAMERR_BAD_EXPOSURE                 5
#define           CAMERR_BAD_INDEX              6
#define           CAMERR_CAMERA_FULL                  7
#define           CAMERR_BAD_COMMAND                  8
#define           CAMERR_BAD_PARAM              9
#define           CAMERR_BAD_DATALEN                  10
#define           CAMERR_TASK_FAILED                  11
#define           CAMERR_FLASH_PROGRAM_FAILED         12
#define           CAMERR_BAD_ADDRESS                  13
#define           CAMERR_BAD_PAGE                     14
#define           CAMERR_EXISTING_IMAGE_SMALLER       15
#define           CAMERR_COMMAND_NOT_ALLOWED          16
#define           CAMERR_NO_SENSOR_DETECTED           17
#define           CAMERR_COLOUR_MATRIX_UNAVAILABLE    18
    unsigned char info;
};

#define CMDID_PING                  0x88

#define CMDID_GET_CAMERA_INFO       0x85
struct stv680_camera_info {
    unsigned char firmware_revision[2];
    unsigned char asic_revision[2];
    unsigned char sensor_id[2];
    unsigned char hardware_config;

#define HWCONFIG_COMMSLINK_MASK                 0x01
#define HWCONFIG_COMMSLINK_USB                  0x00
#define HWCONFIG_COMMSLINK_SERIAL         0x01

#define HWCONFIG_FLICKERFREQ_MASK         0x02
#define HWCONFIG_FLICKERFREQ_50HZ         0x00
#define HWCONFIG_FLICKERFREQ_60HZ         0x02

#define HWCONFIG_MEMSIZE_MASK             0x04
#define HWCONFIG_MEMSIZE_64MBIT                 0x00
#define HWCONFIG_MEMSIZE_16MBIT                 0x04

#define HWCONFIG_HAS_THUMBNAILS                 0x08
#define HWCONFIG_HAS_VIDEO                0x10
#define HWCONFIG_STARTUP_COMPLETED        0x20
#define HWCONFIG_IS_MONOCHROME                  0x40
#define HWCONFIG_MEM_FITTED               0x80

    unsigned char capabilities;
#define CAP_CIF                           1
#define CAP_VGA                           2
#define CAP_QCIF                    4
#define CAP_QVGA                    8

    unsigned char vendor_id[2];
    unsigned char product_id[2];

    unsigned char reserved[4];

};

#define CMDID_GET_CAMERA_MODE             0x87
struct stv680_camera_mode {
    unsigned char format;
#define FORMAT_CIF                        0
#define FORMAT_VGA                        1
#define FORMAT_QCIF                       2
#define FORMAT_QVGA                       3
    unsigned char reserved[7];
};

#define CMDID_GET_IMAGE_INFO              0x86
struct stv680_image_info {
    unsigned char index[2];
    unsigned char maximages[2];
    unsigned char width[2];
    unsigned char height[2];
    unsigned char size[4];
    unsigned char thumb_width;
    unsigned char thumb_height;
    unsigned char thumb_size[2];
};

#define CMDID_UPLOAD_IMAGE                0x83
#define CMDID_UPLOAD_THUMBNAIL                  0x84
#define CMDID_GET_IMAGE_HEADER                  0x8f
struct stv680_image_header { /* For all upload and get image header */
    unsigned char size[4];
    unsigned char width[2];
    unsigned char height[2];
    unsigned char fine_exposure[2];
    unsigned char coarse_exposure[2];
    unsigned char sensor_gain;
    unsigned char sensor_clkdiv;
    unsigned char avg_pixel_value;
    unsigned char flags;
#define IMAGE_IS_VALID        0x01
#define IMAGE_FROM_STREAM     0x04
#define IMAGE_FIRST_OF_MOVIE  0x10 
};

#define CMDID_GRAB_UPLOAD                 0x89
struct stv680_image_header_small {
    unsigned char size[4];
    unsigned char width[2];
    unsigned char height[2];
};

#define CMDID_GRAB_IMAGE                  0x05
#define     GRAB_UPDATE_INDEX 0x1000
#define     GRAB_TO_LAST_LOCATION   0x2000
#define     GRAB_SUPPRESS_BEEP      0x4000
#define     GRAB_USE_CAMERA_INDEX   0x8000

#define CMDID_SET_IMAGE_INDEX             0x06
#define CMDID_START_VIDEO                 0x09
#define CMDID_STOP_VIDEO                  0x0a

#define CMDID_GET_USER_INFO               0x8d
struct stv680_user_info {
    unsigned char buttonmask;
    unsigned char camera_mode;
#define CAMERA_MODE_START                 1
#define CAMERA_MODE_VIDEO                 2
#define CAMERA_MODE_BUSY                  4
#define CAMERA_MODE_IDLE                  8
    unsigned char index[2];
    unsigned char maximages[2];
    unsigned char current_format;
    unsigned char reserved;
};

#define STV0680_QCIF_WIDTH    178
#define STV0680_QCIF_HEIGHT   146
#define STV0680_CIF_WIDTH     356
#define STV0680_CIF_HEIGHT    292
#define STV0680_QVGA_WIDTH    324
#define STV0680_QVGA_HEIGHT   244
#define STV0680_VGA_WIDTH     644
#define STV0680_VGA_HEIGHT    484

#endif

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