1 files changed, 140 insertions, 0 deletions
diff --git a/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_mali.c b/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_mali.c
new file mode 100644
index 0000000..50d6ddf
--- /dev/null
+++ b/drivers/gpu/mali400/r3p2/mali/linux/mali_osk_mali.c
@@ -0,0 +1,140 @@
+/*
+ * 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_mali.c
+ * Implementation of the OS abstraction layer which is specific for the Mali kernel device driver
+ */
+#include <linux/kernel.h>
+#include <asm/uaccess.h>
+#include <linux/platform_device.h>
+#include <linux/mali/mali_utgard.h>
+
+#include "mali_osk_mali.h"
+#include "mali_kernel_common.h" /* MALI_xxx macros */
+#include "mali_osk.h"           /* kernel side OS functions */
+#include "mali_uk_types.h"
+#include "mali_kernel_linux.h"
+
+_mali_osk_errcode_t _mali_osk_resource_find(u32 addr, _mali_osk_resource_t *res)
+{
+	int i;
+
+	if (NULL == mali_platform_device)
+	{
+		/* Not connected to a device */
+		return _MALI_OSK_ERR_ITEM_NOT_FOUND;
+	}
+
+	for (i = 0; i < mali_platform_device->num_resources; i++)
+	{
+		if (IORESOURCE_MEM == resource_type(&(mali_platform_device->resource[i])) &&
+		    mali_platform_device->resource[i].start == addr)
+		{
+			if (NULL != res)
+			{
+				res->base = addr;
+				res->description = mali_platform_device->resource[i].name;
+
+				/* Any (optional) IRQ resource belonging to this resource will follow */
+				if ((i + 1) < mali_platform_device->num_resources &&
+				    IORESOURCE_IRQ == resource_type(&(mali_platform_device->resource[i+1])))
+				{
+					res->irq = mali_platform_device->resource[i+1].start;
+				}
+				else
+				{
+					res->irq = -1;
+				}
+			}
+			return _MALI_OSK_ERR_OK;
+		}
+	}
+
+	return _MALI_OSK_ERR_ITEM_NOT_FOUND;
+}
+
+u32 _mali_osk_resource_base_address(void)
+{
+	u32 lowest_addr = 0xFFFFFFFF;
+	u32 ret = 0;
+
+	if (NULL != mali_platform_device)
+	{
+		int i;
+		for (i = 0; i < mali_platform_device->num_resources; i++)
+		{
+			if (mali_platform_device->resource[i].flags & IORESOURCE_MEM &&
+			    mali_platform_device->resource[i].start < lowest_addr)
+			{
+				lowest_addr = mali_platform_device->resource[i].start;
+				ret = lowest_addr;
+			}
+		}
+	}
+
+	return ret;
+}
+
+_mali_osk_errcode_t _mali_osk_device_data_get(struct _mali_osk_device_data *data)
+{
+	MALI_DEBUG_ASSERT_POINTER(data);
+
+	if (NULL != mali_platform_device)
+	{
+		struct mali_gpu_device_data* os_data = NULL;
+
+		os_data = (struct mali_gpu_device_data*)mali_platform_device->dev.platform_data;
+		if (NULL != os_data)
+		{
+			/* Copy data from OS dependant struct to Mali neutral struct (identical!) */
+			data->dedicated_mem_start = os_data->dedicated_mem_start;
+			data->dedicated_mem_size = os_data->dedicated_mem_size;
+			data->shared_mem_size = os_data->shared_mem_size;
+			data->fb_start = os_data->fb_start;
+			data->fb_size = os_data->fb_size;
+			data->utilization_interval = os_data->utilization_interval;
+			data->utilization_callback = os_data->utilization_callback;
+			data->pmu_switch_delay = os_data->pmu_switch_delay;
+			return _MALI_OSK_ERR_OK;
+		}
+	}
+
+	return _MALI_OSK_ERR_ITEM_NOT_FOUND;
+}
+
+mali_bool _mali_osk_shared_interrupts(void)
+{
+	u32 irqs[128];
+	u32 i, j, irq, num_irqs_found = 0;
+
+	MALI_DEBUG_ASSERT_POINTER(mali_platform_device);
+	MALI_DEBUG_ASSERT(128 >= mali_platform_device->num_resources);
+
+	for (i = 0; i < mali_platform_device->num_resources; i++)
+	{
+		if (IORESOURCE_IRQ & mali_platform_device->resource[i].flags)
+		{
+			irq = mali_platform_device->resource[i].start;
+
+			for (j = 0; j < num_irqs_found; ++j)
+			{
+				if (irq == irqs[j])
+				{
+					return MALI_TRUE;
+				}
+			}
+
+			irqs[num_irqs_found++] = irq;
+		}
+	}
+
+	return MALI_FALSE;
+}