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

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  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