/******************************************************************************* * mvAudioWinSet - Set AUDIO target address window * * DESCRIPTION: * This function sets a peripheral target (e.g. SDRAM bank0, PCI_MEM0) * address window, also known as address decode window. * After setting this target window, the AUDIO will be able to access the * target within the address window. * * INPUT: * winNum - AUDIO target address decode window number. * pAddrDecWin - AUDIO target window data structure. * * OUTPUT: * None. * * RETURN: * MV_ERROR if address window overlapps with other address decode windows. * MV_BAD_PARAM if base address is invalid parameter or target is * unknown. * *******************************************************************************/ MV_STATUS mvAudioWinSet(int unit, MV_U32 winNum, MV_AUDIO_DEC_WIN *pAddrDecWin) { MV_TARGET_ATTRIB targetAttribs; MV_DEC_REGS decRegs; /* Parameter checking */ if (winNum >= MV_AUDIO_MAX_ADDR_DECODE_WIN) { mvOsPrintf("%s: ERR. Invalid win num %d\n",__FUNCTION__, winNum); return MV_BAD_PARAM; } /* check if address is aligned to the size */ if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size)) { mvOsPrintf("mvAudioWinSet:Error setting AUDIO window %d to "\ "target %s.\nAddress 0x%08x is unaligned to size 0x%x.\n", winNum, mvCtrlTargetNameGet(pAddrDecWin->target), pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size); return MV_ERROR; } decRegs.baseReg = 0; decRegs.sizeReg = 0; if (MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs)) { mvOsPrintf("%s: mvCtrlAddrDecToReg Failed\n", __FUNCTION__); return MV_ERROR; } mvCtrlAttribGet(pAddrDecWin->target, &targetAttribs); /* set attributes */ decRegs.sizeReg &= ~MV_AUDIO_WIN_ATTR_MASK; decRegs.sizeReg |= (targetAttribs.attrib << MV_AUDIO_WIN_ATTR_OFFSET); /* set target ID */ decRegs.sizeReg &= ~MV_AUDIO_WIN_TARGET_MASK; decRegs.sizeReg |= (targetAttribs.targetId << MV_AUDIO_WIN_TARGET_OFFSET); if (pAddrDecWin->enable == MV_TRUE) { decRegs.sizeReg |= MV_AUDIO_WIN_ENABLE_MASK; } else { decRegs.sizeReg &= ~MV_AUDIO_WIN_ENABLE_MASK; } MV_REG_WRITE( MV_AUDIO_WIN_CTRL_REG(unit, winNum), decRegs.sizeReg); MV_REG_WRITE( MV_AUDIO_WIN_BASE_REG(unit, winNum), decRegs.baseReg); return MV_OK; }
/******************************************************************************* * mvAudioWinWrite * * DESCRIPTION: * This function writes the address decoding registers according to the * given window configuration. * * INPUT: * unit - The Audio unit number to configure. * winNum - AUDIO target address decode window number. * pAddrDecWin - AUDIO target window data structure. * * OUTPUT: * None. * * RETURN: * MV_OK on success, * MV_BAD_PARAM if winNum is invalid. * MV_ERROR otherwise. * *******************************************************************************/ MV_STATUS mvAudioWinWrite(MV_U32 unit, MV_U32 winNum, MV_UNIT_WIN_INFO *pAddrDecWin) { MV_U32 baseReg; MV_U32 sizeReg; MV_U32 size; MV_U32 alignment; /* Parameter checking */ if (winNum >= MV_AUDIO_MAX_ADDR_DECODE_WIN) { mvOsPrintf("%s: ERR. Invalid win num %d\n", __func__, winNum); return MV_BAD_PARAM; } /* check if address is aligned to the size */ if (MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size)) { mvOsPrintf("mvAudioWinWrite:Error setting AUDIO window %d to " "Address 0x%08x is unaligned to size 0x%x.\n", winNum, pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size); return MV_ERROR; } size = pAddrDecWin->addrWin.size; if (!MV_IS_POWER_OF_2(size)) { mvOsPrintf("mvAudioWinWrite: Error setting AUDIO window %d. " "Window size is not a power to 2.", winNum); return MV_BAD_PARAM; } alignment = 1 << MV_AUDIO_WIN_SIZE_OFFSET; sizeReg = (size / alignment - 1) << MV_AUDIO_WIN_SIZE_OFFSET; /* BaseLow[31:16] => base register [31:16] */ baseReg = pAddrDecWin->addrWin.baseLow & MV_AUDIO_WIN_BASE_MASK; /* set attributes */ sizeReg &= ~MV_AUDIO_WIN_ATTR_MASK; sizeReg |= (pAddrDecWin->attrib << MV_AUDIO_WIN_ATTR_OFFSET); /* set target ID */ sizeReg &= ~MV_AUDIO_WIN_TARGET_MASK; sizeReg |= (pAddrDecWin->targetId << MV_AUDIO_WIN_TARGET_OFFSET); if (pAddrDecWin->enable == MV_TRUE) sizeReg |= MV_AUDIO_WIN_ENABLE_MASK; else sizeReg &= ~MV_AUDIO_WIN_ENABLE_MASK; MV_REG_WRITE(MV_AUDIO_WIN_CTRL_REG(unit, winNum), sizeReg); MV_REG_WRITE(MV_AUDIO_WIN_BASE_REG(unit, winNum), baseReg); return MV_OK; }
/******************************************************************************* * mvAudioWinGet - Get AUDIO peripheral target address window. * * DESCRIPTION: * Get AUDIO peripheral target address window. * * INPUT: * winNum - AUDIO target address decode window number. * * OUTPUT: * pAddrDecWin - AUDIO target window data structure. * * RETURN: * MV_ERROR if register parameters are invalid. * *******************************************************************************/ MV_STATUS mvAudioWinGet(int unit, MV_U32 winNum, MV_AUDIO_DEC_WIN *pAddrDecWin) { MV_DEC_REGS decRegs; MV_TARGET_ATTRIB targetAttrib; /* Parameter checking */ if (winNum >= MV_AUDIO_MAX_ADDR_DECODE_WIN) { mvOsPrintf("%s : ERR. Invalid winNum %d\n", __FUNCTION__, winNum); return MV_NOT_SUPPORTED; } decRegs.baseReg = MV_REG_READ( MV_AUDIO_WIN_BASE_REG(unit, winNum) ); decRegs.sizeReg = MV_REG_READ( MV_AUDIO_WIN_CTRL_REG(unit, winNum) ); if (MV_OK != mvCtrlRegToAddrDec(&decRegs, &pAddrDecWin->addrWin) ) { mvOsPrintf("%s: mvCtrlRegToAddrDec Failed\n", __FUNCTION__); return MV_ERROR; } /* attrib and targetId */ targetAttrib.attrib = (decRegs.sizeReg & MV_AUDIO_WIN_ATTR_MASK) >> MV_AUDIO_WIN_ATTR_OFFSET; targetAttrib.targetId = (decRegs.sizeReg & MV_AUDIO_WIN_TARGET_MASK) >> MV_AUDIO_WIN_TARGET_OFFSET; pAddrDecWin->target = mvCtrlTargetGet(&targetAttrib); /* Check if window is enabled */ if(decRegs.sizeReg & MV_AUDIO_WIN_ENABLE_MASK) { pAddrDecWin->enable = MV_TRUE; } else { pAddrDecWin->enable = MV_FALSE; } return MV_OK; }
/******************************************************************************* * mvAudioWinRead * * DESCRIPTION: * Read AUDIO peripheral target address window. * * INPUT: * winNum - AUDIO target address decode window number. * * OUTPUT: * pAddrDecWin - AUDIO target window data structure. * * RETURN: * MV_BAD_PARAM if winNum is invalid. * MV_ERROR otherwise. * *******************************************************************************/ MV_STATUS mvAudioWinRead(MV_U32 unit, MV_U32 winNum, MV_UNIT_WIN_INFO *pAddrDecWin) { MV_U32 baseReg, sizeReg; MV_U32 sizeRegVal; MV_U32 alignment; if (winNum >= MV_AUDIO_MAX_ADDR_DECODE_WIN) { mvOsPrintf("%s : ERR. Invalid winNum %d\n", __func__, winNum); return MV_BAD_PARAM; } baseReg = MV_REG_READ(MV_AUDIO_WIN_BASE_REG(unit, winNum)); sizeReg = MV_REG_READ(MV_AUDIO_WIN_CTRL_REG(unit, winNum)); alignment = 1 << MV_AUDIO_WIN_SIZE_OFFSET; sizeRegVal = (sizeReg & MV_AUDIO_WIN_SIZE_MASK) >> MV_AUDIO_WIN_SIZE_OFFSET; pAddrDecWin->addrWin.size = (sizeRegVal + 1) * alignment; /* Extract base address */ /* Base register [31:16] ==> baseLow[31:16] */ pAddrDecWin->addrWin.baseLow = baseReg & MV_AUDIO_WIN_BASE_MASK; pAddrDecWin->addrWin.baseHigh = 0; /* attrib and targetId */ pAddrDecWin->attrib = (sizeReg & MV_AUDIO_WIN_ATTR_MASK) >> MV_AUDIO_WIN_ATTR_OFFSET; pAddrDecWin->targetId = (sizeReg & MV_AUDIO_WIN_TARGET_MASK) >> MV_AUDIO_WIN_TARGET_OFFSET; /* Check if window is enabled */ if (sizeReg & MV_AUDIO_WIN_ENABLE_MASK) pAddrDecWin->enable = MV_TRUE; else pAddrDecWin->enable = MV_FALSE; return MV_OK; }