diff options
Diffstat (limited to 'driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_smc.h')
-rwxr-xr-x | driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_smc.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_smc.h b/driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_smc.h new file mode 100755 index 0000000..9bff3d2 --- /dev/null +++ b/driver/product/kernel/drivers/gpu/arm/midgard/mali_kbase_smc.h @@ -0,0 +1,67 @@ +/* + * + * (C) COPYRIGHT 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. + * + */ + + + + + +#ifndef _KBASE_SMC_H_ +#define _KBASE_SMC_H_ + +#ifdef CONFIG_ARM64 + +#include <mali_kbase.h> + +#define SMC_FAST_CALL (1 << 31) +#define SMC_64 (1 << 30) + +#define SMC_OEN_OFFSET 24 +#define SMC_OEN_MASK (0x3F << SMC_OEN_OFFSET) /* 6 bits */ +#define SMC_OEN_SIP (2 << SMC_OEN_OFFSET) +#define SMC_OEN_STD (4 << SMC_OEN_OFFSET) + + +/** + * kbase_invoke_smc_fid - Perform a secure monitor call + * @fid: The SMC function to call, see SMC Calling convention. + * @arg0: First argument to the SMC. + * @arg1: Second argument to the SMC. + * @arg2: Third argument to the SMC. + * + * See SMC Calling Convention for details. + * + * Return: the return value from the SMC. + */ +u64 kbase_invoke_smc_fid(u32 fid, u64 arg0, u64 arg1, u64 arg2); + +/** + * kbase_invoke_smc_fid - Perform a secure monitor call + * @oen: Owning Entity number (SIP, STD etc). + * @function_number: The function number within the OEN. + * @smc64: use SMC64 calling convention instead of SMC32. + * @arg0: First argument to the SMC. + * @arg1: Second argument to the SMC. + * @arg2: Third argument to the SMC. + * + * See SMC Calling Convention for details. + * + * Return: the return value from the SMC call. + */ +u64 kbase_invoke_smc(u32 oen, u16 function_number, bool smc64, + u64 arg0, u64 arg1, u64 arg2); + +#endif /* CONFIG_ARM64 */ + +#endif /* _KBASE_SMC_H_ */ |