polarisusbinterface.h

完整的基于Conxant平台的USB电视棒的WIN驱动程序。

/**************************************************************************/
/** This file and the information contain herein is provided "AS IS"     **/
/** without warranty of any kind, either expressed or implied,           **/
/** including but not limited to the implied warranties of               **/
/** merchantability and/or fitness for a particular purpose.             **/
/**                                                                      **/
/** This code cannot be redistributed or reused in any form whatsoever   **/
/** without the explicit approval of Conexant Systems Inc.               **/
/**                                                                      **/
/** Copyright (C) 2008 Conexant Systems Inc.                             **/
/** All rights reserved.                                                 **/
/**************************************************************************/


#ifndef __POLARISUSBINTERFACE_H__
#define __POLARISUSBINTERFACE_H__


class CUsbInterface;

///////////////////////////////////
// Class Information
//
#define CLASS_DEFAULT       0xFF

typedef enum _VENDOR_REQUEST_TYPE
{
    //Set/Get I2C
    VRT_SET_I2C0 = 0x0,
    VRT_SET_I2C1 = 0x1,
    VRT_SET_I2C2 = 0x2,
    VRT_GET_I2C0 = 0x4,
    VRT_GET_I2C1 = 0x5,
    VRT_GET_I2C2 = 0x6,

    //Set/Get GPIO
    VRT_SET_GPIO = 0x8,
    VRT_GET_GPIO = 0x9,

    //Set/Get GPIE
    VRT_SET_GPIE = 0xA,
    VRT_GET_GPIE = 0xB,

    //Set/Get Register Control/Status
    VRT_SET_REGISTER = 0xC,
    VRT_GET_REGISTER = 0xD,

    //Get Extended Compat ID Descriptor
    VRT_GET_EXTCID_DESC = 0xFF,
} VENDOR_REQUEST_TYPE, *PVENDOR_REQUEST_TYPE;

typedef enum _BYTE_ENABLE_MASK
{
    ENABLE_ONE_BYTE     = 0x1,
    ENABLE_TWE_BYTE     = 0x3,
    ENABLE_THREE_BYTE   = 0x7,
    ENABLE_FOUR_BYTE    = 0xF,
}BYTE_ENABLE_MASK, *PBYTE_ENABLE_MASK;

/////////////////////////////////////////////////////////////////////////////
class PolarisUsbInterface 
{
public:

    PolarisUsbInterface(CUsbInterface *pUsbInterface);
    virtual ~PolarisUsbInterface();

    NTSTATUS InitDevice();
    NTSTATUS Release(VOID);

    NTSTATUS powerUp();
    NTSTATUS powerDown();

    NTSTATUS setGpio(DWORD gpio_bit, BYTE* p_gpio_value, BYTE len, BYTE request);
    NTSTATUS getGpio(DWORD gpio_bit, PBYTE p_gpio_value, BYTE len, BYTE request);

    NTSTATUS getPolarisRegister(WORD address, PBYTE buffer, BYTE len);
    NTSTATUS setPolarisRegister(WORD address, PBYTE buffer ,BYTE len);

    NTSTATUS getI2CSpeed(PBYTE pbuffer);
    NTSTATUS setI2CSpeed(UCHAR i2c_period);

    NTSTATUS sendCommand(
        PBYTE p_out_buffer, 
        DWORD out_buffer_size,
        PBYTE p_in_buffer,
        DWORD in_buffer_size);

    NTSTATUS selectInterface(UCHAR usb_interface, UCHAR alternate_setting);

    NTSTATUS setCommandFormat(BOOLEAN first,BOOLEAN last);
private:
    CUsbInterface   *_p_usb;

    BOOLEAN         _is_initialized;
    KMUTEX          _mutex;

    BYTE            _i2c_period;
    BYTE            _i2c_nostop;
    BYTE            _i2c_reserve;
};

#endif //__POLARISUSBINTERFACE_H__