Initial file dump from open source releaseHEADmaster

1 files changed, 104 insertions, 0 deletions

diff --git a/drivers/staging/tidspbridge/include/dspbridge/cmmdefs.h b/drivers/staging/tidspbridge/include/dspbridge/cmmdefs.h
new file mode 100644
index 00000000..a264fa69
--- /dev/null
+++ b/drivers/staging/tidspbridge/include/dspbridge/cmmdefs.h
@@ -0,0 +1,104 @@
+/*
+ * cmmdefs.h
+ *
+ * DSP-BIOS Bridge driver support functions for TI OMAP processors.
+ *
+ * Global MEM constants and types.
+ *
+ * Copyright (C) 2008 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.
+ */
+
+#ifndef CMMDEFS_
+#define CMMDEFS_
+
+
+/* Cmm attributes used in cmm_create() */
+struct cmm_mgrattrs {
+	/* Minimum SM allocation; default 32 bytes. */
+	u32 min_block_size;
+};
+
+/* Attributes for CMM_AllocBuf() & CMM_AllocDesc() */
+struct cmm_attrs {
+	u32 seg_id;		/*  1,2... are SM segments. 0 is not. */
+	u32 alignment;		/*  0,1,2,4....min_block_size */
+};
+
+/*
+ *  DSPPa to GPPPa Conversion Factor.
+ *
+ *  For typical platforms:
+ *      converted Address = PaDSP + ( c_factor * addressToConvert).
+ */
+#define CMM_SUBFROMDSPPA	-1
+#define CMM_ADDTODSPPA		1
+
+#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_seginfo {
+	u32 seg_base_pa;	/* Start Phys address of SM segment */
+	/* Total size in bytes of segment: DSP+GPP */
+	u32 total_seg_size;
+	u32 gpp_base_pa;	/* Start Phys addr of Gpp SM seg */
+	u32 gpp_size;	/* Size of Gpp SM seg in bytes */
+	u32 dsp_base_va;	/* DSP virt base byte address */
+	u32 dsp_size;		/* DSP seg size in bytes */
+	/* # of current GPP allocations from this segment */
+	u32 in_use_cnt;
+	u32 seg_base_va;	/* Start Virt address of SM seg */
+
+};
+
+/* CMM useful information */
+struct cmm_info {
+	/* # of SM segments registered with this Cmm. */
+	u32 num_gppsm_segs;
+	/* Total # of allocations outstanding for CMM */
+	u32 total_in_use_cnt;
+	/* Min SM block size allocation from cmm_create() */
+	u32 min_block_size;
+	/* Info per registered SM segment. */
+	struct cmm_seginfo seg_info[CMM_MAXGPPSEGS];
+};
+
+/* XlatorCreate attributes */
+struct cmm_xlatorattrs {
+	u32 seg_id;		/* segment Id used for SM allocations */
+	u32 dsp_bufs;		/* # of DSP-side bufs */
+	u32 dsp_buf_size;	/* size of DSP-side bufs in GPP bytes */
+	/* Vm base address alloc'd in client process context */
+	void *vm_base;
+	/* vm_size must be >= (dwMaxNumBufs * dwMaxSize) */
+	u32 vm_size;
+};
+
+/*
+ * Cmm translation types. Use to map SM addresses to process context.
+ */
+enum cmm_xlatetype {
+	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 */
+};
+
+struct cmm_object;
+struct cmm_xlatorobject;
+
+#endif /* CMMDEFS_ */