Maemo patchset 20101501+0m5

[h-e-n] / drivers / dsp / bridge / wmd / tiomap_io.h

diff --git a/drivers/dsp/bridge/wmd/tiomap_io.h b/drivers/dsp/bridge/wmd/tiomap_io.h
new file mode 100644 (file)
index 0000000..84a7553
--- /dev/null
+++ b/drivers/dsp/bridge/wmd/tiomap_io.h
@@ -0,0 +1,112 @@
+/*
+ * tiomap_io.h
+ *
+ * DSP-BIOS Bridge driver support functions for TI OMAP processors.
+ *
+ * Copyright (C) 2005-2006 Texas Instruments, Inc.
+ *
+ * This package is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+
+/*
+ *  ======== _tiomap_io.h ========
+ *  Description:
+ *      Definitions, types and function prototypes for the io
+ *      (r/w external mem).
+ *
+ *! Revision History
+ *! ================
+ *! 08-Oct-2002 rr:  Created.
+ */
+
+#ifndef _TIOMAP_IO_
+#define _TIOMAP_IO_
+
+/*
+ * Symbol that defines beginning of shared memory.
+ * For OMAP (Helen) this is the DSP Virtual base address of SDRAM.
+ * This will be used to program DSP MMU to map DSP Virt to GPP phys.
+ * (see dspMmuTlbEntry()).
+ */
+#define SHMBASENAME "SHM_BEG"
+#define EXTBASE     "EXT_BEG"
+#define EXTEND      "_EXT_END"
+#define DYNEXTBASE  "_DYNEXT_BEG"
+#define DYNEXTEND   "_DYNEXT_END"
+#define IVAEXTMEMBASE   "_IVAEXTMEM_BEG"
+#define IVAEXTMEMEND   "_IVAEXTMEM_END"
+
+
+#define DSP_TRACESEC_BEG  "_BRIDGE_TRACE_BEG"
+#define DSP_TRACESEC_END  "_BRIDGE_TRACE_END"
+
+#define SYS_PUTCBEG               "_SYS_PUTCBEG"
+#define SYS_PUTCEND               "_SYS_PUTCEND"
+#define BRIDGE_SYS_PUTC_current   "_BRIDGE_SYS_PUTC_current"
+
+
+#define WORDSWAP_ENABLE 0x3    /* Enable word swap */
+
+/*
+ *  ======== ReadExtDspData ========
+ *  Reads it from DSP External memory. The external memory for the DSP
+ * is configured by the combination of DSP MMU and SHM Memory manager in the CDB
+ */
+extern DSP_STATUS ReadExtDspData(struct WMD_DEV_CONTEXT *pDevContext,
+                               OUT u8 *pbHostBuf, u32 dwDSPAddr,
+                               u32 ulNumBytes, u32 ulMemType);
+
+/*
+ *  ======== WriteDspData ========
+ */
+extern DSP_STATUS WriteDspData(struct WMD_DEV_CONTEXT *pDevContext,
+                              OUT u8 *pbHostBuf, u32 dwDSPAddr,
+                              u32 ulNumBytes, u32 ulMemType);
+
+/*
+ *  ======== WriteExtDspData ========
+ *  Writes to the DSP External memory for external program.
+ *  The ext mem for progra is configured by the combination of DSP MMU and
+ *  SHM Memory manager in the CDB
+ */
+extern DSP_STATUS WriteExtDspData(struct WMD_DEV_CONTEXT *pDevContext,
+                                IN u8 *pbHostBuf, u32 dwDSPAddr,
+                                u32 ulNumBytes, u32 ulMemType,
+                                bool bDynamicLoad);
+
+/*
+ * ======== WriteExt32BitDspData ========
+ * Writes 32 bit data to the external memory
+ */
+extern inline void WriteExt32BitDspData(IN const
+               struct WMD_DEV_CONTEXT *pDevContext, IN u32 dwDSPAddr,
+               IN u32 val)
+{
+       *(u32 *)dwDSPAddr = ((pDevContext->tcWordSwapOn) ? (((val << 16) &
+                             0xFFFF0000) | ((val >> 16) & 0x0000FFFF)) : val);
+}
+
+/*
+ * ======== ReadExt32BitDspData ========
+ * Reads 32 bit data from the external memory
+ */
+extern inline u32 ReadExt32BitDspData(IN const struct WMD_DEV_CONTEXT
+                                      *pDevContext, IN u32 dwDSPAddr)
+{
+       u32 retVal;
+       retVal = *(u32 *)dwDSPAddr;
+
+       retVal = ((pDevContext->tcWordSwapOn) ? (((retVal << 16)
+                & 0xFFFF0000) | ((retVal >> 16) & 0x0000FFFF)) : retVal);
+       return retVal;
+}
+
+#endif                         /* _TIOMAP_IO_ */
+