Add a header for the SiP service interface in order to access the UFSHCI controller for secure command handling in MediaTek Chipsets. Signed-off-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx> --- include/linux/soc/mediatek/mtk_sip_svc.h | 29 ++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 include/linux/soc/mediatek/mtk_sip_svc.h diff --git a/include/linux/soc/mediatek/mtk_sip_svc.h b/include/linux/soc/mediatek/mtk_sip_svc.h new file mode 100644 index 000000000000..97311959d7d7 --- /dev/null +++ b/include/linux/soc/mediatek/mtk_sip_svc.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2019 MediaTek Inc. + */ +#ifndef __MTK_SIP_SVC_H +#define __MTK_SIP_SVC_H + +/* Error Code */ +#define SIP_SVC_E_SUCCESS 0 +#define SIP_SVC_E_NOT_SUPPORTED -1 +#define SIP_SVC_E_INVALID_PARAMS -2 +#define SIP_SVC_E_INVALID_RANGE -3 +#define SIP_SVC_E_PERMISSION_DENIED -4 + +#ifdef CONFIG_ARM64 +#define MTK_SIP_SMC_CONVENTION ARM_SMCCC_SMC_64 +#else +#define MTK_SIP_SMC_CONVENTION ARM_SMCCC_SMC_32 +#endif + +#define MTK_SIP_SMC_CMD(fn_id) \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, MTK_SIP_SMC_CONVENTION, \ + ARM_SMCCC_OWNER_SIP, fn_id) + +/* UFS related SMC call */ +#define MTK_SIP_UFS_CONTROL \ + MTK_SIP_SMC_CMD(0x276) + +#endif -- 2.18.0
