target/linux/generic-2.4/files/crypto/ocf/kirkwood/mvHal/kw_family/ctrlEnv/sys/mvSysAudio.c

   1 /*******************************************************************************
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  37 modify this File under the following licensing terms.
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  46         documentation and/or other materials provided with the distribution.
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  52 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  53 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  54 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  55 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
  56 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  57 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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  59 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  60 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  61 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  62
  63 *******************************************************************************/
  64 #include "mvSysAudio.h"
  65
  66 /*******************************************************************************
  67 * mvAudioWinSet - Set AUDIO target address window
  68 *
  69 * DESCRIPTION:
  70 *       This function sets a peripheral target (e.g. SDRAM bank0, PCI_MEM0)
  71 *       address window, also known as address decode window.
  72 *       After setting this target window, the AUDIO will be able to access the
  73 *       target within the address window.
  74 *
  75 * INPUT:
  76 *       winNum      - AUDIO target address decode window number.
  77 *       pAddrDecWin - AUDIO target window data structure.
  78 *
  79 * OUTPUT:
  80 *       None.
  81 *
  82 * RETURN:
  83 *       MV_ERROR if address window overlapps with other address decode windows.
  84 *       MV_BAD_PARAM if base address is invalid parameter or target is
  85 *       unknown.
  86 *
  87 *******************************************************************************/
  88 MV_STATUS mvAudioWinSet(MV_U32 winNum, MV_AUDIO_DEC_WIN *pAddrDecWin)
  89 {
  90     MV_TARGET_ATTRIB    targetAttribs;
  91     MV_DEC_REGS         decRegs;
  92
  93     /* Parameter checking   */
  94     if (winNum >= MV_AUDIO_MAX_ADDR_DECODE_WIN)
  95     {
  96         mvOsPrintf("%s: ERR. Invalid win num %d\n",__FUNCTION__, winNum);
  97         return MV_BAD_PARAM;
  98     }
  99
 100     /* check if address is aligned to the size */
 101     if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size))
 102     {
 103                 mvOsPrintf("mvAudioWinSet:Error setting AUDIO window %d to "\
 104                            "target %s.\nAddress 0x%08x is unaligned to size 0x%x.\n",
 105                            winNum,
 106                            mvCtrlTargetNameGet(pAddrDecWin->target),
 107                            pAddrDecWin->addrWin.baseLow,
 108                            pAddrDecWin->addrWin.size);
 109                 return MV_ERROR;
 110     }
 111
 112     decRegs.baseReg = 0;
 113     decRegs.sizeReg = 0;
 114
 115     if (MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs))
 116     {
 117         mvOsPrintf("%s: mvCtrlAddrDecToReg Failed\n", __FUNCTION__);
 118         return MV_ERROR;
 119     }
 120
 121     mvCtrlAttribGet(pAddrDecWin->target, &targetAttribs);
 122
 123     /* set attributes */
 124     decRegs.sizeReg &= ~MV_AUDIO_WIN_ATTR_MASK;
 125     decRegs.sizeReg |= (targetAttribs.attrib << MV_AUDIO_WIN_ATTR_OFFSET);
 126
 127     /* set target ID */
 128     decRegs.sizeReg &= ~MV_AUDIO_WIN_TARGET_MASK;
 129     decRegs.sizeReg |= (targetAttribs.targetId << MV_AUDIO_WIN_TARGET_OFFSET);
 130
 131     if (pAddrDecWin->enable == MV_TRUE)
 132     {
 133         decRegs.sizeReg |= MV_AUDIO_WIN_ENABLE_MASK;
 134     }
 135     else
 136     {
 137         decRegs.sizeReg &= ~MV_AUDIO_WIN_ENABLE_MASK;
 138     }
 139
 140     MV_REG_WRITE( MV_AUDIO_WIN_CTRL_REG(winNum), decRegs.sizeReg);
 141     MV_REG_WRITE( MV_AUDIO_WIN_BASE_REG(winNum), decRegs.baseReg);
 142
 143     return MV_OK;
 144 }
 145
 146 /*******************************************************************************
 147 * mvAudioWinGet - Get AUDIO peripheral target address window.
 148 *
 149 * DESCRIPTION:
 150 *       Get AUDIO peripheral target address window.
 151 *
 152 * INPUT:
 153 *       winNum - AUDIO target address decode window number.
 154 *
 155 * OUTPUT:
 156 *       pAddrDecWin - AUDIO target window data structure.
 157 *
 158 * RETURN:
 159 *       MV_ERROR if register parameters are invalid.
 160 *
 161 *******************************************************************************/
 162 MV_STATUS mvAudioWinGet(MV_U32 winNum, MV_AUDIO_DEC_WIN *pAddrDecWin)
 163 {
 164     MV_DEC_REGS         decRegs;
 165     MV_TARGET_ATTRIB    targetAttrib;
 166
 167     /* Parameter checking   */
 168     if (winNum >= MV_AUDIO_MAX_ADDR_DECODE_WIN)
 169     {
 170         mvOsPrintf("%s : ERR. Invalid winNum %d\n",
 171                     __FUNCTION__,  winNum);
 172         return MV_NOT_SUPPORTED;
 173     }
 174
 175     decRegs.baseReg = MV_REG_READ( MV_AUDIO_WIN_BASE_REG(winNum) );
 176     decRegs.sizeReg = MV_REG_READ( MV_AUDIO_WIN_CTRL_REG(winNum) );
 177
 178     if (MV_OK != mvCtrlRegToAddrDec(&decRegs, &pAddrDecWin->addrWin) )
 179     {
 180         mvOsPrintf("%s: mvCtrlRegToAddrDec Failed\n", __FUNCTION__);
 181         return MV_ERROR;
 182     }
 183
 184     /* attrib and targetId */
 185     targetAttrib.attrib = (decRegs.sizeReg & MV_AUDIO_WIN_ATTR_MASK) >>
 186                 MV_AUDIO_WIN_ATTR_OFFSET;
 187     targetAttrib.targetId = (decRegs.sizeReg & MV_AUDIO_WIN_TARGET_MASK) >>
 188                 MV_AUDIO_WIN_TARGET_OFFSET;
 189
 190     pAddrDecWin->target = mvCtrlTargetGet(&targetAttrib);
 191
 192     /* Check if window is enabled   */
 193     if(decRegs.sizeReg & MV_AUDIO_WIN_ENABLE_MASK)
 194     {
 195         pAddrDecWin->enable = MV_TRUE;
 196     }
 197     else
 198     {
 199         pAddrDecWin->enable = MV_FALSE;
 200     }
 201     return MV_OK;
 202 }
 203 /*******************************************************************************
 204 * mvAudioAddrDecShow - Print the AUDIO address decode map.
 205 *
 206 * DESCRIPTION:
 207 *               This function print the AUDIO address decode map.
 208 *
 209 * INPUT:
 210 *       None.
 211 *
 212 * OUTPUT:
 213 *       None.
 214 *
 215 * RETURN:
 216 *       None.
 217 *
 218 *******************************************************************************/
 219 MV_VOID mvAudioAddrDecShow(MV_VOID)
 220 {
 221
 222         MV_AUDIO_DEC_WIN win;
 223         int i;
 224
 225         if (MV_FALSE == mvCtrlPwrClckGet(AUDIO_UNIT_ID, 0))
 226                 return;
 227
 228
 229         mvOsOutput( "\n" );
 230         mvOsOutput( "AUDIO:\n" );
 231         mvOsOutput( "----\n" );
 232
 233         for( i = 0; i < MV_AUDIO_MAX_ADDR_DECODE_WIN; i++ )
 234         {
 235             memset( &win, 0, sizeof(MV_AUDIO_DEC_WIN) );
 236
 237             mvOsOutput( "win%d - ", i );
 238
 239             if( mvAudioWinGet( i, &win ) == MV_OK )
 240             {
 241                 if( win.enable )
 242                 {
 243                     mvOsOutput( "%s base %08x, ",
 244                     mvCtrlTargetNameGet(win.target), win.addrWin.baseLow );
 245                     mvOsOutput( "...." );
 246
 247                     mvSizePrint( win.addrWin.size );
 248
 249                     mvOsOutput( "\n" );
 250                 }
 251                 else
 252                 mvOsOutput( "disable\n" );
 253             }
 254         }
 255 }
 256
 257
 258 /*******************************************************************************
 259 * mvAudioWinInit - Initialize the integrated AUDIO target address window.
 260 *
 261 * DESCRIPTION:
 262 *       Initialize the AUDIO peripheral target address window.
 263 *
 264 * INPUT:
 265 *
 266 *
 267 * OUTPUT:
 268 *
 269 *
 270 * RETURN:
 271 *       MV_ERROR if register parameters are invalid.
 272 *
 273 *******************************************************************************/
 274 MV_STATUS mvAudioInit(MV_VOID)
 275 {
 276     int             winNum;
 277     MV_AUDIO_DEC_WIN  audioWin;
 278     MV_CPU_DEC_WIN  cpuAddrDecWin;
 279     MV_U32          status;
 280
 281     mvAudioHalInit();
 282
 283     /* Initiate Audio address decode */
 284
 285     /* First disable all address decode windows */
 286     for(winNum = 0; winNum < MV_AUDIO_MAX_ADDR_DECODE_WIN; winNum++)
 287     {
 288         MV_U32  regVal = MV_REG_READ(MV_AUDIO_WIN_CTRL_REG(winNum));
 289         regVal &= ~MV_AUDIO_WIN_ENABLE_MASK;
 290         MV_REG_WRITE(MV_AUDIO_WIN_CTRL_REG(winNum), regVal);
 291     }
 292
 293     for(winNum = 0; winNum < MV_AUDIO_MAX_ADDR_DECODE_WIN; winNum++)
 294     {
 295
 296                 /* We will set the Window to DRAM_CS0 in default */
 297                 /* first get attributes from CPU If */
 298                 status = mvCpuIfTargetWinGet(SDRAM_CS0,
 299                                                                          &cpuAddrDecWin);
 300
 301                 if (MV_OK != status)
 302                 {
 303                                 mvOsPrintf("%s: ERR. mvCpuIfTargetWinGet failed\n", __FUNCTION__);
 304                         return MV_ERROR;
 305                 }
 306
 307                 if (cpuAddrDecWin.enable == MV_TRUE)
 308                 {
 309                         audioWin.addrWin.baseHigh = cpuAddrDecWin.addrWin.baseHigh;
 310                         audioWin.addrWin.baseLow  = cpuAddrDecWin.addrWin.baseLow;
 311                         audioWin.addrWin.size     = cpuAddrDecWin.addrWin.size;
 312                         audioWin.enable           = MV_TRUE;
 313                         audioWin.target           = SDRAM_CS0;
 314
 315                         if(MV_OK != mvAudioWinSet(winNum, &audioWin))
 316                         {
 317                                 return MV_ERROR;
 318                         }
 319                 }
 320         }
 321
 322     return MV_OK;
 323 }
 324