1 files changed, 131 insertions, 0 deletions
diff --git a/driver/product/kernel/drivers/gpu/arm/midgard/mali_malisw.h b/driver/product/kernel/drivers/gpu/arm/midgard/mali_malisw.h
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@@ -0,0 +1,131 @@
+/*
+ *
+ * (C) COPYRIGHT 2014-2015 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.
+ *
+ */
+
+
+
+/**
+ * Kernel-wide include for common macros and types.
+ */
+
+#ifndef _MALISW_H_
+#define _MALISW_H_
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 14, 0)
+#define U8_MAX          ((u8)~0U)
+#define S8_MAX          ((s8)(U8_MAX>>1))
+#define S8_MIN          ((s8)(-S8_MAX - 1))
+#define U16_MAX         ((u16)~0U)
+#define S16_MAX         ((s16)(U16_MAX>>1))
+#define S16_MIN         ((s16)(-S16_MAX - 1))
+#define U32_MAX         ((u32)~0U)
+#define S32_MAX         ((s32)(U32_MAX>>1))
+#define S32_MIN         ((s32)(-S32_MAX - 1))
+#define U64_MAX         ((u64)~0ULL)
+#define S64_MAX         ((s64)(U64_MAX>>1))
+#define S64_MIN         ((s64)(-S64_MAX - 1))
+#endif /* LINUX_VERSION_CODE */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 5, 0)
+#define SIZE_MAX        (~(size_t)0)
+#endif /* LINUX_VERSION_CODE */
+
+/**
+ * MIN - Return the lesser of two values.
+ *
+ * As a macro it may evaluate its arguments more than once.
+ * Refer to MAX macro for more details
+ */
+#define MIN(x, y)	((x) < (y) ? (x) : (y))
+
+/**
+ * MAX -  Return the greater of two values.
+ *
+ * As a macro it may evaluate its arguments more than once.
+ * If called on the same two arguments as MIN it is guaranteed to return
+ * the one that MIN didn't return. This is significant for types where not
+ * all values are comparable e.g. NaNs in floating-point types. But if you want
+ * to retrieve the min and max of two values, consider using a conditional swap
+ * instead.
+ */
+#define MAX(x, y)	((x) < (y) ? (y) : (x))
+
+/**
+ * @hideinitializer
+ * Function-like macro for suppressing unused variable warnings. Where possible
+ * such variables should be removed; this macro is present for cases where we
+ * much support API backwards compatibility.
+ */
+#define CSTD_UNUSED(x)	((void)(x))
+
+/**
+ * @hideinitializer
+ * Function-like macro for use where "no behavior" is desired. This is useful
+ * when compile time macros turn a function-like macro in to a no-op, but
+ * where having no statement is otherwise invalid.
+ */
+#define CSTD_NOP(...)	((void)#__VA_ARGS__)
+
+/**
+ * Function-like macro for converting a pointer in to a u64 for storing into
+ * an external data structure. This is commonly used when pairing a 32-bit
+ * CPU with a 64-bit peripheral, such as a Midgard GPU. C's type promotion
+ * is complex and a straight cast does not work reliably as pointers are
+ * often considered as signed.
+ */
+#define PTR_TO_U64(x)	((uint64_t)((uintptr_t)(x)))
+
+/**
+ * @hideinitializer
+ * Function-like macro for stringizing a single level macro.
+ * @code
+ * #define MY_MACRO 32
+ * CSTD_STR1( MY_MACRO )
+ * > "MY_MACRO"
+ * @endcode
+ */
+#define CSTD_STR1(x)	#x
+
+/**
+ * @hideinitializer
+ * Function-like macro for stringizing a macro's value. This should not be used
+ * if the macro is defined in a way which may have no value; use the
+ * alternative @c CSTD_STR2N macro should be used instead.
+ * @code
+ * #define MY_MACRO 32
+ * CSTD_STR2( MY_MACRO )
+ * > "32"
+ * @endcode
+ */
+#define CSTD_STR2(x)	CSTD_STR1(x)
+
+/**
+ * Specify an assertion value which is evaluated at compile time. Recommended
+ * usage is specification of a @c static @c INLINE function containing all of
+ * the assertions thus:
+ *
+ * @code
+ * static INLINE [module]_compile_time_assertions( void )
+ * {
+ *     COMPILE_TIME_ASSERT( sizeof(uintptr_t) == sizeof(intptr_t) );
+ * }
+ * @endcode
+ *
+ * @note Use @c static not @c STATIC. We never want to turn off this @c static
+ * specification for testing purposes.
+ */
+#define CSTD_COMPILE_TIME_ASSERT(expr) \
+	do { switch (0) { case 0: case (expr):; } } while (false)
+
+#endif /* _MALISW_H_ */