diff options
Diffstat (limited to 'bifrost/r25p0/kernel/drivers/gpu/arm/midgard/mali_malisw.h')
-rw-r--r-- | bifrost/r25p0/kernel/drivers/gpu/arm/midgard/mali_malisw.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/bifrost/r25p0/kernel/drivers/gpu/arm/midgard/mali_malisw.h b/bifrost/r25p0/kernel/drivers/gpu/arm/midgard/mali_malisw.h new file mode 100644 index 0000000..3a4db10 --- /dev/null +++ b/bifrost/r25p0/kernel/drivers/gpu/arm/midgard/mali_malisw.h @@ -0,0 +1,109 @@ +/* + * + * (C) COPYRIGHT 2014-2015, 2018 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, you can access it online at + * http://www.gnu.org/licenses/gpl-2.0.html. + * + * SPDX-License-Identifier: GPL-2.0 + * + */ + +/** + * 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__) + +/** + * @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) + +#endif /* _MALISW_H_ */ |