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+/*
+ * Copyright 2001-2008 Texas Instruments - http://www.ti.com/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+/*
+ * ======== cmmdefs.h ========
+ * DSP-BIOS Bridge driver support functions for TI OMAP processors.
+ * Purpose:
+ * Global MEM constants and types.
+ *
+ *! Revision History:
+ *! ================
+ *! 12-Nov-2001 ag CMM_KERNMAPTYPE added for dsp<->device process addr map'n.
+ *! This allows addr conversion from drvr process <-> DSP addr.
+ *! 29-Aug-2001 ag Added CMM_ALLSEGMENTS.
+ *! 08-Dec-2000 ag Added bus address conversion type CMM_POMAPEMIF2DSPBUS.
+ *! 05-Dec-2000 ag Added default CMM_DEFLTCONVFACTOR & CMM_DEFLTDSPADDROFFSET.
+ *! 29-Oct-2000 ag Added converstion factor for GPP DSP Pa translation.
+ *! 15-Oct-2000 ag Added address translator attributes and defaults.
+ *! 12-Jul-2000 ag Created.
+ */
+
+#ifndef CMMDEFS_
+#define CMMDEFS_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <list.h>
+
+/* Cmm attributes used in CMM_Create() */
+ struct CMM_MGRATTRS {
+ ULONG ulMinBlockSize; /* Minimum SM allocation; default 32 bytes. */
+ };
+
+/* Attributes for CMM_AllocBuf() & CMM_AllocDesc() */
+ struct CMM_ATTRS {
+ ULONG ulSegId; /* 1,2... are SM segments. 0 is not. */
+ ULONG ulAlignment; /* 0,1,2,4....ulMinBlockSize */
+ } ;
+
+/*
+ * DSPPa to GPPPa Conversion Factor.
+ *
+ * For typical platforms:
+ * converted Address = PaDSP + ( cFactor * addressToConvert).
+ */
+ typedef enum {
+ CMM_SUBFROMDSPPA = -1,
+ CMM_POMAPEMIF2DSPBUS = 0, /* PreOMAP is special case: not simple offset */
+ CMM_ADDTODSPPA = 1
+ } CMM_CNVTTYPE;
+
+#define CMM_DEFLTDSPADDROFFSET 0
+#define CMM_DEFLTCONVFACTOR CMM_POMAPEMIF2DSPBUS /* PreOMAP DSPBUS<->EMIF */
+#define CMM_ALLSEGMENTS 0xFFFFFF /* All SegIds */
+#define CMM_MAXGPPSEGS 1 /* Maximum # of SM segs */
+
+/*
+ * SMSEGs are SM segments the DSP allocates from.
+ *
+ * This info is used by the GPP to xlate DSP allocated PAs.
+ */
+ struct CMM_SMSEG {
+ DWORD dwSMBasePA; /* Physical SM Base address(GPP). */
+ ULONG ulTotalSizePA; /* Size of SM segment in GPP bytes. */
+ DWORD dwPAPAConvert; /* DSP PA to GPP PA Conversion. */
+ CMM_CNVTTYPE cFactor; /* CMM_ADDTOPA=1, CMM_SUBFROMPA=-1 */
+ } ;
+
+/* Fixed size memory descriptor */
+ struct CMM_FDESC {
+ struct LST_ELEM link; /* must be 1st element */
+ DWORD dwPA;
+ DWORD dwVA;
+ DWORD dwSize;
+ DWORD dwAttrs; /* [31-1 reserved ][0 - SM] */
+ } ;
+
+ struct CMM_SEGINFO {
+ DWORD dwSegBasePa; /* Start Phys address of SM segment */
+ ULONG ulTotalSegSize; /* Total size in bytes of segment: DSP+GPP */
+ DWORD dwGPPBasePA; /* Start Phys addr of Gpp SM seg */
+ ULONG ulGPPSize; /* Size of Gpp SM seg in bytes */
+ DWORD dwDSPBaseVA; /* DSP virt base byte address */
+ ULONG ulDSPSize; /* DSP seg size in bytes */
+ ULONG ulInUseCnt; /* # of current GPP allocations from this segment */
+ DWORD dwSegBaseVa; /* Start Virt address of SM seg */
+
+ } ;
+
+/* CMM useful information */
+ struct CMM_INFO {
+ ULONG ulNumGPPSMSegs; /* # of SM segments registered with this Cmm. */
+ ULONG ulTotalInUseCnt; /* Total # of allocations outstanding for CMM */
+ /* Min SM block size allocation from CMM_Create() */
+ ULONG ulMinBlockSize;
+ /* Info per registered SM segment. */
+ struct CMM_SEGINFO segInfo[CMM_MAXGPPSEGS];
+ } ;
+
+/* XlatorCreate attributes */
+ struct CMM_XLATORATTRS {
+ ULONG ulSegId; /* segment Id used for SM allocations */
+ DWORD dwDSPBufs; /* # of DSP-side bufs */
+ DWORD dwDSPBufSize; /* size of DSP-side bufs in GPP bytes */
+ PVOID pVmBase; /* Vm base address alloc'd in client process context */
+ DWORD dwVmSize; /* dwVmSize must be >= (dwMaxNumBufs * dwMaxSize) */
+ } ;
+
+/* Descriptor attributes */
+ typedef enum {
+ CMM_LOCAL = 0, /* Bit 0 =0 is local memory from default heap */
+ CMM_SHARED = 1, /* Bit 0 =1 descriptor is SM */
+ /* Bits 1- 31 RESERVED for future use */
+ } CMM_DESCTYPE;
+
+/*
+ * Cmm translation types. Use to map SM addresses to process context.
+ */
+ typedef enum {
+ CMM_VA2PA = 0, /* Virtual to GPP physical address xlation */
+ CMM_PA2VA = 1, /* GPP Physical to virtual */
+ CMM_VA2DSPPA = 2, /* Va to DSP Pa */
+ CMM_PA2DSPPA = 3, /* GPP Pa to DSP Pa */
+ CMM_DSPPA2PA = 4, /* DSP Pa to GPP Pa */
+ } CMM_XLATETYPE;
+
+/*
+ * Used to "map" between device process virt addr and dsp addr.
+ */
+ typedef enum {
+ CMM_KERNVA2DSP = 0, /* Device process context to dsp address. */
+ CMM_DSP2KERNVA = 1, /* Dsp address to device process context. */
+ } CMM_KERNMAPTYPE;
+
+ struct CMM_OBJECT;
+ /*typedef struct CMM_OBJECT *CMM_HMGR;*/
+ struct CMM_XLATOROBJECT;
+ /*typedef struct CMM_XLATOROBJECT *CMM_HXLATOR;*/
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* CMMDEFS_ */