/******************************************************************************* Copyright (C) Marvell International Ltd. and its affiliates This software file (the "File") is owned and distributed by Marvell International Ltd. and/or its affiliates ("Marvell") under the following alternative licensing terms. Once you have made an election to distribute the File under one of the following license alternatives, please (i) delete this introductory statement regarding license alternatives, (ii) delete the two license alternatives that you have not elected to use and (iii) preserve the Marvell copyright notice above. ******************************************************************************** Marvell Commercial License Option If you received this File from Marvell and you have entered into a commercial license agreement (a "Commercial License") with Marvell, the File is licensed to you under the terms of the applicable Commercial License. ******************************************************************************** Marvell GPL License Option If you received this File from Marvell, you may opt to use, redistribute and/or modify this File in accordance with the terms and conditions of the General Public License Version 2, June 1991 (the "GPL License"), a copy of which is available along with the File in the license.txt file or by writing to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or on the worldwide web at http://www.gnu.org/licenses/gpl.txt. THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY DISCLAIMED. The GPL License provides additional details about this warranty disclaimer. ******************************************************************************** Marvell BSD License Option If you received this File from Marvell, you may opt to use, redistribute and/or modify this File under the following licensing terms. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of Marvell nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *******************************************************************************/ #include "mvSysAudio.h" /******************************************************************************* * 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(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(winNum), decRegs.sizeReg); MV_REG_WRITE( MV_AUDIO_WIN_BASE_REG(winNum), decRegs.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(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(winNum) ); decRegs.sizeReg = MV_REG_READ( MV_AUDIO_WIN_CTRL_REG(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; } /******************************************************************************* * mvAudioAddrDecShow - Print the AUDIO address decode map. * * DESCRIPTION: * This function print the AUDIO address decode map. * * INPUT: * None. * * OUTPUT: * None. * * RETURN: * None. * *******************************************************************************/ MV_VOID mvAudioAddrDecShow(MV_VOID) { MV_AUDIO_DEC_WIN win; int i; if (MV_FALSE == mvCtrlPwrClckGet(AUDIO_UNIT_ID, 0)) return; mvOsOutput( "\n" ); mvOsOutput( "AUDIO:\n" ); mvOsOutput( "----\n" ); for( i = 0; i < MV_AUDIO_MAX_ADDR_DECODE_WIN; i++ ) { memset( &win, 0, sizeof(MV_AUDIO_DEC_WIN) ); mvOsOutput( "win%d - ", i ); if( mvAudioWinGet( i, &win ) == MV_OK ) { if( win.enable ) { mvOsOutput( "%s base %08x, ", mvCtrlTargetNameGet(win.target), win.addrWin.baseLow ); mvOsOutput( "...." ); mvSizePrint( win.addrWin.size ); mvOsOutput( "\n" ); } else mvOsOutput( "disable\n" ); } } } /******************************************************************************* * mvAudioWinInit - Initialize the integrated AUDIO target address window. * * DESCRIPTION: * Initialize the AUDIO peripheral target address window. * * INPUT: * * * OUTPUT: * * * RETURN: * MV_ERROR if register parameters are invalid. * *******************************************************************************/ MV_STATUS mvAudioInit(MV_VOID) { int winNum; MV_AUDIO_DEC_WIN audioWin; MV_CPU_DEC_WIN cpuAddrDecWin; MV_U32 status; mvAudioHalInit(); /* Initiate Audio address decode */ /* First disable all address decode windows */ for(winNum = 0; winNum < MV_AUDIO_MAX_ADDR_DECODE_WIN; winNum++) { MV_U32 regVal = MV_REG_READ(MV_AUDIO_WIN_CTRL_REG(winNum)); regVal &= ~MV_AUDIO_WIN_ENABLE_MASK; MV_REG_WRITE(MV_AUDIO_WIN_CTRL_REG(winNum), regVal); } for(winNum = 0; winNum < MV_AUDIO_MAX_ADDR_DECODE_WIN; winNum++) { /* We will set the Window to DRAM_CS0 in default */ /* first get attributes from CPU If */ status = mvCpuIfTargetWinGet(SDRAM_CS0, &cpuAddrDecWin); if (MV_OK != status) { mvOsPrintf("%s: ERR. mvCpuIfTargetWinGet failed\n", __FUNCTION__); return MV_ERROR; } if (cpuAddrDecWin.enable == MV_TRUE) { audioWin.addrWin.baseHigh = cpuAddrDecWin.addrWin.baseHigh; audioWin.addrWin.baseLow = cpuAddrDecWin.addrWin.baseLow; audioWin.addrWin.size = cpuAddrDecWin.addrWin.size; audioWin.enable = MV_TRUE; audioWin.target = SDRAM_CS0; if(MV_OK != mvAudioWinSet(winNum, &audioWin)) { return MV_ERROR; } } } return MV_OK; }