/*============================================================================*/
tmErrorCode_t
setHwRegisters
(
tmHdmiTxobject_t *pDis,
UInt16 regShadPageAddr,
UInt8 *pData,
UInt16 lenData
)
{
tmErrorCode_t err; /* Error code */
UInt8 regShad; /* The index to the register's shadow copy */
UInt8 regPage; /* The index to the register's page */
UInt8 regAddr; /* The register's address on the page */
UInt8 newRegPage; /* The register's new page number */
tmbslHdmiTxSysArgs_t sysArgs; /* Arguments passed to system function */
/* Unpack 1st register's shadow index, page index and address */
regShad = SPA2SHAD(regShadPageAddr);
regPage = SPA2PAGE(regShadPageAddr);
regAddr = SPA2ADDR(regShadPageAddr);
newRegPage = kPageIndexToPage[regPage];
/* Check length does not overflow page */
RETIF_BADPARAM((regAddr+lenData) > E_REG_CURPAGE_ADR_W)
/* Check 1st reg does not have a shadow - whole range assumed likewise */
RETIF_BADPARAM(regShad != E_SNONE)
/* Set page register if required - whole range is on same page */
if (pDis->curRegPage != newRegPage)
{
/* All non-OK results are errors */
sysArgs.slaveAddr = pDis->uHwAddress;
sysArgs.firstRegister = E_REG_CURPAGE_ADR_W;
sysArgs.lenData = 1;
sysArgs.pData = &newRegPage;
err = pDis->sysFuncWrite(&sysArgs);
RETIF(err != TM_OK, TMBSL_ERR_HDMI_I2C_WRITE)
pDis->curRegPage = newRegPage;
}
/* Write to I2C register range - all non-OK results are errors */
sysArgs.slaveAddr = pDis->uHwAddress;
sysArgs.firstRegister = regAddr;
sysArgs.lenData = (UInt8)lenData;
sysArgs.pData = pData;
err = pDis->sysFuncWrite(&sysArgs);
if (err == TM_OK)
{
return TM_OK;
}
else
{
printk(KERN_ERR "[HDMI] TMBSL_ERR_HDMI_I2C_WRITE %s %d\n",__func__,__LINE__);
return TMBSL_ERR_HDMI_I2C_WRITE;
}
}
/*============================================================================*/
tmErrorCode_t
setHwRegister
(
tmHdmiTxobject_t *pDis,
UInt16 regShadPageAddr,
UInt8 regValue
)
{
tmErrorCode_t err; /* Error code */
UInt8 regShad; /* The index to the register's shadow copy */
UInt8 regPage; /* The index to the register's page */
UInt8 regAddr; /* The register's address on the page */
UInt8 newRegPage; /* The register's new page number */
tmbslHdmiTxSysArgs_t sysArgs; /* Arguments passed to system function */
/* Unpack register shadow index, page index and address */
regShad = SPA2SHAD(regShadPageAddr);
regPage = SPA2PAGE(regShadPageAddr);
regAddr = SPA2ADDR(regShadPageAddr);
newRegPage = kPageIndexToPage[regPage];
/* Set page register if required */
if (pDis->curRegPage != newRegPage)
{
/* All non-OK results are errors */
sysArgs.slaveAddr = pDis->uHwAddress;
sysArgs.firstRegister = E_REG_CURPAGE_ADR_W;
sysArgs.lenData = 1;
sysArgs.pData = &newRegPage;
err = pDis->sysFuncWrite(&sysArgs);
RETIF(err != TM_OK, TMBSL_ERR_HDMI_I2C_WRITE)
pDis->curRegPage = newRegPage;
}
/* Set shadow copy */
if (regShad != E_SNONE)
{
pDis->shadowReg[regShad] = regValue;
}
/* Write to I2C - all non-OK results are errors */
sysArgs.slaveAddr = pDis->uHwAddress;
sysArgs.firstRegister = regAddr;
sysArgs.lenData = 1;
sysArgs.pData = ®Value;
err = pDis->sysFuncWrite(&sysArgs);
if (err == TM_OK)
{
return TM_OK;
}
else
{
printk(KERN_ERR "[HDMI] TMBSL_ERR_HDMI_I2C_WRITE %s %d\n",__func__,__LINE__);
return TMBSL_ERR_HDMI_I2C_WRITE;
}
}
/*============================================================================*/
tmErrorCode_t
getHwRegister
(
tmHdmiTxobject_t *pDis,
UInt16 regShadPageAddr,
UInt8 *pRegValue
)
{
tmErrorCode_t err; /* Error code */
UInt8 regShad; /* The index to the register's shadow copy */
UInt8 regPage; /* The index to the register's page */
UInt8 regAddr; /* The register's address on the page */
UInt8 newRegPage; /* The register's new page number */
tmbslHdmiTxSysArgs_t sysArgs; /* Arguments passed to system function */
/* Unpack register shadow index, page index and address */
regShad = SPA2SHAD(regShadPageAddr);
regPage = SPA2PAGE(regShadPageAddr);
regAddr = SPA2ADDR(regShadPageAddr);
newRegPage = kPageIndexToPage[regPage];
/* Set page register if required */
if (pDis->curRegPage != newRegPage)
{
/* All non-OK results are errors */
sysArgs.slaveAddr = pDis->uHwAddress;
sysArgs.firstRegister = E_REG_CURPAGE_ADR_W;
sysArgs.lenData = 1;
sysArgs.pData = &newRegPage;
err = pDis->sysFuncWrite(&sysArgs);
RETIF(err != TM_OK, TMBSL_ERR_HDMI_I2C_WRITE)
pDis->curRegPage = newRegPage;
}
if ((regShad != E_SNONE)
&& (regShadPageAddr != E_REG_P00_INT_FLAGS_0_RW)
&& (regShadPageAddr != E_REG_P00_INT_FLAGS_1_RW)
&& (regShadPageAddr != E_REG_P00_INT_FLAGS_2_RW))
{
/* Get shadow copy - shadowed registers can't be read */
/* Don't read shadow copy of interrupt status flags! */
*pRegValue = pDis->shadowReg[regShad];
return TM_OK;
}
else
{
/* Get I2C register - all non-OK results are errors */
sysArgs.slaveAddr = pDis->uHwAddress;
sysArgs.firstRegister = regAddr;
sysArgs.lenData = 1;
sysArgs.pData = pRegValue;
err = pDis->sysFuncRead(&sysArgs);
return (err == TM_OK) ? TM_OK : TMBSL_ERR_HDMI_I2C_READ;
}
}
/*============================================================================*/
tmErrorCode_t
setHwRegisterField
(
tmHdmiTxobject_t *pDis,
UInt16 regShadPageAddr,
UInt8 fieldMask,
UInt8 fieldValue
)
{
tmErrorCode_t err; /* Error code */
UInt8 regShad; /* The index to the register's shadow copy */
UInt8 regPage; /* The index to the register's page */
UInt8 regAddr; /* The register's address on the page */
UInt8 newRegPage; /* The register's new page number */
UInt8 regValue; /* The register's current value */
tmbslHdmiTxSysArgs_t sysArgs; /* Arguments passed to system function */
/* Unpack register shadow index, page index and address */
regShad = SPA2SHAD(regShadPageAddr);
regPage = SPA2PAGE(regShadPageAddr);
regAddr = SPA2ADDR(regShadPageAddr);
newRegPage = kPageIndexToPage[regPage];
/* Set page register if required */
if (pDis->curRegPage != newRegPage)
{
/* All non-OK results are errors */
sysArgs.slaveAddr = pDis->uHwAddress;
sysArgs.firstRegister = E_REG_CURPAGE_ADR_W;
sysArgs.lenData = 1;
sysArgs.pData = &newRegPage;
err = pDis->sysFuncWrite(&sysArgs);
RETIF(err != TM_OK, TMBSL_ERR_HDMI_I2C_WRITE)
pDis->curRegPage = newRegPage;
}
if (regShad != E_SNONE)
{
/* Get shadow copy */
regValue = pDis->shadowReg[regShad];
}
else
{
/* Read I2C register value.
* All bitfield registers are either shadowed or can be read.
*/
sysArgs.slaveAddr = pDis->uHwAddress;
sysArgs.firstRegister = regAddr;
sysArgs.lenData = 1;
sysArgs.pData = ®Value;
err = pDis->sysFuncRead(&sysArgs);
RETIF(err != TM_OK, TMBSL_ERR_HDMI_I2C_READ)
}
/* Reset register bits that are set in the mask */
regValue = regValue & (UInt8)(~fieldMask);
/* Shift the field value left to align its bits with the mask */
fieldValue <<= kMaskToShift[fieldMask];
/* Reset shifted field bits that are not set in the mask */
fieldValue &= fieldMask;
/* Set the shifted bitfield */
regValue |= fieldValue;
/* Set shadow copy */
if (regShad != E_SNONE)
{
pDis->shadowReg[regShad] = regValue;
}
/* Write to I2C - all non-OK results are errors */
sysArgs.slaveAddr = pDis->uHwAddress;
sysArgs.firstRegister = regAddr;
sysArgs.lenData = 1;
sysArgs.pData = ®Value;
err = pDis->sysFuncWrite(&sysArgs);
return (err == TM_OK) ? TM_OK : TMBSL_ERR_HDMI_I2C_WRITE;
}