/*
 * Copyright 2004-2008, François Revol, <revol@free.fr>.
 * Distributed under the terms of the MIT License.
 */
#ifndef _NW80X_CAM_DEVICE_H
#define _NW80X_CAM_DEVICE_H

#include "CamDevice.h"

#define STV_REG_COUNT   0x0c
// Control registers of the STV0600 ASIC
#define STV_I2C_WRITE   0x400
#define STV_I2C_WRITE1  0x400
#define STV_I2C_READ   0x1410
#define STV_ISO_ENABLE 0x1440
#define STV_SCAN_RATE  0x1443
#define STV_ISO_SIZE   0x15c1
#define STV_Y_CTRL     0x15c3
#define STV_X_CTRL     0x1680
#define STV_REG00      0x1500
#define STV_REG01      0x1501
#define STV_REG02      0x1502
#define STV_REG03      0x1503
#define STV_REG04      0x1504
#define STV_REG23      0x0423


// This class represents each webcam
class NW80xCamDevice : public CamDevice {
        public:
                                                NW80xCamDevice(CamDeviceAddon &_addon, BUSBDevice* _device);
                                                ~NW80xCamDevice();
        virtual bool            SupportsBulk();
        virtual bool            SupportsIsochronous();
        virtual status_t        StartTransfer();
        virtual status_t        StopTransfer();

        // generic register-like access
        virtual ssize_t         WriteReg(uint16 address, uint8 *data, size_t count=1);
        virtual ssize_t         ReadReg(uint16 address, uint8 *data, size_t count=1, bool cached=false);

        // I2C-like access
        virtual status_t        GetStatusIIC();
        virtual status_t        WaitReadyIIC();
        virtual ssize_t         WriteIIC(uint8 address, uint8 *data, size_t count=1);
        virtual ssize_t         ReadIIC(uint8 address, uint8 *data);
        virtual ssize_t         ReadIIC8(uint8 address, uint8 *data);
        virtual ssize_t         ReadIIC16(uint8 address, uint16 *data);
        virtual status_t        SetIICBitsMode(size_t bits=8);

        private:
        virtual status_t        SendCommand(uint8 dir, uint8 request, uint16 value,
                                                                        uint16 index, uint16 length, void* data);
};

// the addon itself, that instanciate

class NW80xCamDeviceAddon : public CamDeviceAddon
{
        public:
                                                NW80xCamDeviceAddon(WebCamMediaAddOn* webcam);
        virtual                         ~NW80xCamDeviceAddon();

        virtual const char      *BrandName();
        virtual NW80xCamDevice  *Instantiate(CamRoster &roster, BUSBDevice *from);

};

#endif /* _NW80X_CAM_CAM_DEVICE_H */