SYSLINK:ipc-added multicore ipc module to syslink

Add multicore ipc module to syslink.

Signed-off-by: Suman Anna <[email protected]>
Signed-off-by: Subramaniam C.A <[email protected]>
Signed-off-by: Arun M G <[email protected]>
Signed-off-by: Ramesh Gupta G <[email protected]>
Signed-off-by: Jayan John <[email protected]>
Signed-off-by: Angela Stegmaier <[email protected]>
Signed-off-by: Hari Kanigeri <[email protected]>
Signed-off-by: Arun Radhakrishnan <[email protected]>
Signed-off-by: Subin Gangadharan <[email protected]>

Author: sumananna

drivers/dsp/syslink/multicore_ipc/Kbuild

@@ -0,0 +1,30 @@
+libsyslink_ipc = multiproc.o multiproc_ioctl.o nameserver.o \
+nameserver_ioctl.o nameserver_remote.o nameserver_remotenotify.o \
+listmp.o listmp_ioctl.o sharedregion.o sharedregion_ioctl.o \
+gate.o gatepeterson.o gatehwspinlock.o gatemp.o gatemp_ioctl.o \
+heap.o heapmemmp.o heapmemmp_ioctl.o heapbufmp.o heapbufmp_ioctl.o \
+messageq.o messageq_ioctl.o transportshm.o transportshm_setup.o \
+platform.o ipc.o sysipc_ioctl.o ipc_ioctl.o ipc_drv.o \
+../omap_notify/notify_driver.o ../omap_notify/notify.o \
+../omap_notify/drv_notify.o ../omap_notify/plat/omap4_notify_setup.o \
+../notify_ducatidriver/notify_ducati.o ../ipu_pm/ipu_pm.o
+
+libsyslink_platform = platform_mem.o
+
+obj-$(CONFIG_MPU_SYSLINK_IPC)        += syslink_ipc.o
+syslink_ipc-objs = $(libservices) $(libsyslink_ipc)
+
+obj-$(CONFIG_MPU_SYSLINK_PLATFORM)        += syslink_platform.o
+syslink_platform-objs = $(libservices) $(libsyslink_platform)
+
+ccflags-y += -Wno-strict-prototypes
+
+#Machine dependent
+ccflags-y += -D_TI_ -D_DB_TIOMAP -DTMS32060 \
+                -DTICFG_PROC_VER -DTICFG_EVM_TYPE -DCHNL_SMCLASS \
+                -DCHNL_MESSAGES -DUSE_LEVEL_1_MACROS  \
+                -DCONFIG_DISABLE_BRIDGE_PM -DDSP_TRACEBUF_DISABLED
+
+#Header files
+ccflags-y += -Iarch/arm/plat-omap/include
+ccflags-y += -Iarch/arm/plat-omap/include/syslink

drivers/dsp/syslink/multicore_ipc/gate.c

@@ -0,0 +1,69 @@
+/*
+ *  gatemp.c
+ *
+ *  Gate wrapper implementation
+ *
+ *  Copyright (C) 2008-2009 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.
+ */
+
+
+/* Standard headers */
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+/* Module level headers */
+#include <igateprovider.h>
+#include <gate.h>
+
+
+/* Structure defining internal object for the Gate Peterson.*/
+struct gate_object {
+	IGATEPROVIDER_SUPEROBJECT; /* For inheritance from IGateProvider */
+};
+
+/* Function to enter a Gate */
+int *gate_enter_system(void)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+
+	return (int *)flags;
+}
+
+/* Function to leave a gate */
+void gate_leave_system(int *key)
+{
+	local_irq_restore((unsigned long) key);
+}
+
+/* Match with IGateProvider */
+static inline int *_gate_enter_system(struct gate_object *obj)
+{
+	(void) obj;
+	return gate_enter_system();
+}
+
+/* Match with IGateProvider */
+static inline void _gate_leave_system(struct gate_object *obj, int *key)
+{
+	(void) obj;
+	gate_leave_system(key);
+}
+
+static struct gate_object gate_system_object = {
+	.enter = (int *(*)(void *))_gate_enter_system,
+	.leave = (void (*)(void *, int *))_gate_leave_system,
+};
+
+struct igateprovider_object *gate_system_handle = \
+			(struct igateprovider_object *)&gate_system_object;

drivers/dsp/syslink/multicore_ipc/gate_remote.c

@@ -0,0 +1,39 @@
+/*
+ *  gate_remote.c
+ *
+ *  This includes the functions to handle remote gates
+ *
+ *  Copyright (C) 2008-2009 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.
+ */
+
+#include <linux/types.h>
+
+/*
+ * ======== gate_remote_enter ========
+ *  Purpose:
+ *  This function is used to enter in to a remote gate
+ */
+int gate_remote_enter(void *ghandle)
+{
+	return 0;
+}
+
+/*
+ * ======== gate_remote_leave ========
+ *  Purpose:
+ *  This function is used to leave from a remote gate
+ */
+int gate_remote_leave(void *ghandle, u32 key)
+{
+	key = 0;
+	return 0;
+}