1 files changed, 104 insertions, 0 deletions
diff --git a/drivers/staging/tidspbridge/core/tiomap_io.h b/drivers/staging/tidspbridge/core/tiomap_io.h
new file mode 100644
index 000000000000..a3f19c7b79f3
--- /dev/null
+++ b/drivers/staging/tidspbridge/core/tiomap_io.h
@@ -0,0 +1,104 @@
+/*
+ * tiomap_io.h
+ *
+ * DSP-BIOS Bridge driver support functions for TI OMAP processors.
+ *
+ * Definitions, types and function prototypes for the io (r/w external mem).
+ *
+ * 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.
+ */
+
+#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 */
+
+/*
+ *  ======== read_ext_dsp_data ========
+ *  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 int read_ext_dsp_data(struct bridge_dev_context *dev_ctxt,
+				    u8 *host_buff, u32 dsp_addr,
+				    u32 ul_num_bytes, u32 mem_type);
+
+/*
+ *  ======== write_dsp_data ========
+ */
+extern int write_dsp_data(struct bridge_dev_context *dev_context,
+				 u8 *host_buff, u32 dsp_addr,
+				 u32 ul_num_bytes, u32 mem_type);
+
+/*
+ *  ======== write_ext_dsp_data ========
+ *  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 int write_ext_dsp_data(struct bridge_dev_context *dev_context,
+				     u8 *host_buff, u32 dsp_addr,
+				     u32 ul_num_bytes, u32 mem_type,
+				     bool dynamic_load);
+
+/*
+ * ======== write_ext32_bit_dsp_data ========
+ * Writes 32 bit data to the external memory
+ */
+extern inline void write_ext32_bit_dsp_data(const
+					struct bridge_dev_context *dev_context,
+					u32 dsp_addr, u32 val)
+{
+	*(u32 *) dsp_addr = ((dev_context->tc_word_swap_on) ? (((val << 16) &
+								 0xFFFF0000) |
+								((val >> 16) &
+								 0x0000FFFF)) :
+			      val);
+}
+
+/*
+ * ======== read_ext32_bit_dsp_data ========
+ * Reads 32 bit data from the external memory
+ */
+extern inline u32 read_ext32_bit_dsp_data(const struct bridge_dev_context
+					  *dev_context, u32 dsp_addr)
+{
+	u32 ret;
+	ret = *(u32 *) dsp_addr;
+
+	ret = ((dev_context->tc_word_swap_on) ? (((ret << 16)
+						  & 0xFFFF0000) | ((ret >> 16) &
+								   0x0000FFFF))
+	       : ret);
+	return ret;
+}
+
+#endif /* _TIOMAP_IO_ */