1 files changed, 124 insertions, 0 deletions
diff --git a/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_wq.c b/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_wq.c
new file mode 100644
index 0000000..23f5720
--- /dev/null
+++ b/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_wq.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2010-2012 ARM Limited. All rights reserved.
+ * 
+ * This program is free software and is provided to you under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
+ * 
+ * A copy of the licence is included with the program, and can also be obtained from Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+/**
+ * @file mali_osk_wq.c
+ * Implementation of the OS abstraction layer for the kernel device driver
+ */
+
+#include <linux/slab.h>	/* For memory allocation */
+#include <linux/workqueue.h>
+#include <linux/version.h>
+
+#include "mali_osk.h"
+#include "mali_kernel_common.h"
+#include "mali_kernel_license.h"
+#include "mali_kernel_linux.h"
+
+typedef struct _mali_osk_wq_work_t_struct
+{
+	_mali_osk_wq_work_handler_t handler;
+	void *data;
+	struct work_struct work_handle;
+} mali_osk_wq_work_object_t;
+
+#if MALI_LICENSE_IS_GPL
+struct workqueue_struct *mali_wq = NULL;
+#endif
+
+static void _mali_osk_wq_work_func ( struct work_struct *work );
+
+_mali_osk_errcode_t _mali_osk_wq_init(void)
+{
+#if MALI_LICENSE_IS_GPL
+	MALI_DEBUG_ASSERT(NULL == mali_wq);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)
+	mali_wq = alloc_workqueue("mali", WQ_UNBOUND, 0);
+#else
+	mali_wq = create_workqueue("mali");
+#endif
+	if(NULL == mali_wq)
+	{
+		MALI_PRINT_ERROR(("Unable to create Mali workqueue\n"));
+		return _MALI_OSK_ERR_FAULT;
+	}
+#endif
+
+	return _MALI_OSK_ERR_OK;
+}
+
+void _mali_osk_wq_flush(void)
+{
+#if MALI_LICENSE_IS_GPL
+       flush_workqueue(mali_wq);
+#else
+       flush_scheduled_work();
+#endif
+}
+
+void _mali_osk_wq_term(void)
+{
+#if MALI_LICENSE_IS_GPL
+	MALI_DEBUG_ASSERT(NULL != mali_wq);
+
+	flush_workqueue(mali_wq);
+	destroy_workqueue(mali_wq);
+	mali_wq = NULL;
+#else
+	flush_scheduled_work();
+#endif
+}
+
+_mali_osk_wq_work_t *_mali_osk_wq_create_work( _mali_osk_wq_work_handler_t handler, void *data )
+{
+	mali_osk_wq_work_object_t *work = kmalloc(sizeof(mali_osk_wq_work_object_t), GFP_KERNEL);
+
+	if (NULL == work) return NULL;
+
+	work->handler = handler;
+	work->data = data;
+
+	INIT_WORK( &work->work_handle, _mali_osk_wq_work_func );
+
+	return work;
+}
+
+void _mali_osk_wq_delete_work( _mali_osk_wq_work_t *work )
+{
+	mali_osk_wq_work_object_t *work_object = (mali_osk_wq_work_object_t *)work;
+	_mali_osk_wq_flush();
+	kfree(work_object);
+}
+
+void _mali_osk_wq_delete_work_nonflush( _mali_osk_wq_work_t *work )
+{
+	mali_osk_wq_work_object_t *work_object = (mali_osk_wq_work_object_t *)work;
+	kfree(work_object);
+}
+
+void _mali_osk_wq_schedule_work( _mali_osk_wq_work_t *work )
+{
+	mali_osk_wq_work_object_t *work_object = (mali_osk_wq_work_object_t *)work;
+#if MALI_LICENSE_IS_GPL
+	queue_work(mali_wq, &work_object->work_handle);
+#else
+	schedule_work(&work_object->work_handle);
+#endif
+}
+
+static void _mali_osk_wq_work_func ( struct work_struct *work )
+{
+	mali_osk_wq_work_object_t *work_object;
+
+	work_object = _MALI_OSK_CONTAINER_OF(work, mali_osk_wq_work_object_t, work_handle);
+	work_object->handler(work_object->data);
+}
+