/*
 * Copyright (c) 2019-2022, Intel Corporation. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#ifndef SOCFPGA_SIP_SVC_H
#define SOCFPGA_SIP_SVC_H


/* SiP status response */
#define INTEL_SIP_SMC_STATUS_OK					0
#define INTEL_SIP_SMC_STATUS_BUSY				0x1
#define INTEL_SIP_SMC_STATUS_REJECTED				0x2
#define INTEL_SIP_SMC_STATUS_NO_RESPONSE			0x3
#define INTEL_SIP_SMC_STATUS_ERROR				0x4
#define INTEL_SIP_SMC_RSU_ERROR					0x7

/* SiP mailbox error code */
#define GENERIC_RESPONSE_ERROR					0x3FF

/* SiP V2 command code range */
#define INTEL_SIP_SMC_CMD_MASK					0xFFFF
#define INTEL_SIP_SMC_CMD_V2_RANGE_BEGIN			0x400
#define INTEL_SIP_SMC_CMD_V2_RANGE_END				0x4FF

/* SiP V2 protocol header */
#define INTEL_SIP_SMC_HEADER_JOB_ID_MASK			0xF
#define INTEL_SIP_SMC_HEADER_JOB_ID_OFFSET			0U
#define INTEL_SIP_SMC_HEADER_CID_MASK				0xF
#define INTEL_SIP_SMC_HEADER_CID_OFFSET				4U
#define INTEL_SIP_SMC_HEADER_VERSION_MASK			0xF
#define INTEL_SIP_SMC_HEADER_VERSION_OFFSET			60U

/* SMC SiP service function identifier for version 1 */

/* FPGA Reconfig */
#define INTEL_SIP_SMC_FPGA_CONFIG_START				0xC2000001
#define INTEL_SIP_SMC_FPGA_CONFIG_WRITE				0x42000002
#define INTEL_SIP_SMC_FPGA_CONFIG_COMPLETED_WRITE		0xC2000003
#define INTEL_SIP_SMC_FPGA_CONFIG_ISDONE			0xC2000004
#define INTEL_SIP_SMC_FPGA_CONFIG_GET_MEM			0xC2000005

/* FPGA Bitstream Flag */
#define FLAG_PARTIAL_CONFIG					BIT(0)
#define FLAG_AUTHENTICATION					BIT(1)
#define CONFIG_TEST_FLAG(_flag, _type)				(((flag) & FLAG_##_type) \
								== FLAG_##_type)

/* Secure Register Access */
#define INTEL_SIP_SMC_REG_READ				0xC2000007
#define INTEL_SIP_SMC_REG_WRITE				0xC2000008
#define INTEL_SIP_SMC_REG_UPDATE			0xC2000009

/* Remote System Update */
#define INTEL_SIP_SMC_RSU_STATUS				0xC200000B
#define INTEL_SIP_SMC_RSU_UPDATE				0xC200000C
#define INTEL_SIP_SMC_RSU_NOTIFY				0xC200000E
#define INTEL_SIP_SMC_RSU_RETRY_COUNTER				0xC200000F
#define INTEL_SIP_SMC_RSU_DCMF_VERSION				0xC2000010
#define INTEL_SIP_SMC_RSU_COPY_DCMF_VERSION			0xC2000011
#define INTEL_SIP_SMC_RSU_MAX_RETRY				0xC2000012
#define INTEL_SIP_SMC_RSU_COPY_MAX_RETRY			0xC2000013
#define INTEL_SIP_SMC_RSU_DCMF_STATUS				0xC2000014
#define INTEL_SIP_SMC_RSU_COPY_DCMF_STATUS			0xC2000015

/* Hardware monitor */
#define INTEL_SIP_SMC_HWMON_READTEMP				0xC2000020
#define INTEL_SIP_SMC_HWMON_READVOLT				0xC2000021
#define TEMP_CHANNEL_MAX					(1 << 15)
#define VOLT_CHANNEL_MAX					(1 << 15)

/* ECC */
#define INTEL_SIP_SMC_ECC_DBE					0xC200000D

/* Generic Command */
#define INTEL_SIP_SMC_SERVICE_COMPLETED				0xC200001E
#define INTEL_SIP_SMC_FIRMWARE_VERSION				0xC200001F
#define INTEL_SIP_SMC_HPS_SET_BRIDGES				0xC2000032
#define INTEL_SIP_SMC_GET_ROM_PATCH_SHA384			0xC2000040

#define SERVICE_COMPLETED_MODE_ASYNC				0x00004F4E

/* Mailbox Command */
#define INTEL_SIP_SMC_MBOX_SEND_CMD				0xC200003C
#define INTEL_SIP_SMC_GET_USERCODE				0xC200003D

/* FPGA Crypto Services */
#define INTEL_SIP_SMC_FCS_RANDOM_NUMBER				0xC200005A
#define INTEL_SIP_SMC_FCS_RANDOM_NUMBER_EXT			0x4200008F
#define INTEL_SIP_SMC_FCS_CRYPTION				0x4200005B
#define INTEL_SIP_SMC_FCS_CRYPTION_EXT				0xC2000090
#define INTEL_SIP_SMC_FCS_SERVICE_REQUEST			0x4200005C
#define INTEL_SIP_SMC_FCS_SEND_CERTIFICATE			0x4200005D
#define INTEL_SIP_SMC_FCS_GET_PROVISION_DATA			0x4200005E
#define INTEL_SIP_SMC_FCS_CNTR_SET_PREAUTH			0xC200005F
#define INTEL_SIP_SMC_FCS_PSGSIGMA_TEARDOWN			0xC2000064
#define INTEL_SIP_SMC_FCS_CHIP_ID				0xC2000065
#define INTEL_SIP_SMC_FCS_ATTESTATION_SUBKEY			0xC2000066
#define INTEL_SIP_SMC_FCS_ATTESTATION_MEASUREMENTS		0xC2000067
#define INTEL_SIP_SMC_FCS_GET_ATTESTATION_CERT			0xC2000068
#define INTEL_SIP_SMC_FCS_CREATE_CERT_ON_RELOAD			0xC2000069
#define INTEL_SIP_SMC_FCS_OPEN_CS_SESSION			0xC200006E
#define INTEL_SIP_SMC_FCS_CLOSE_CS_SESSION			0xC200006F
#define INTEL_SIP_SMC_FCS_IMPORT_CS_KEY				0x42000070
#define INTEL_SIP_SMC_FCS_EXPORT_CS_KEY				0xC2000071
#define INTEL_SIP_SMC_FCS_REMOVE_CS_KEY				0xC2000072
#define INTEL_SIP_SMC_FCS_GET_CS_KEY_INFO			0xC2000073
#define INTEL_SIP_SMC_FCS_AES_CRYPT_INIT			0xC2000074
#define INTEL_SIP_SMC_FCS_AES_CRYPT_UPDATE			0x42000075
#define INTEL_SIP_SMC_FCS_AES_CRYPT_FINALIZE			0x42000076
#define INTEL_SIP_SMC_FCS_GET_DIGEST_INIT			0xC2000077
#define INTEL_SIP_SMC_FCS_GET_DIGEST_UPDATE			0xC2000078
#define INTEL_SIP_SMC_FCS_GET_DIGEST_FINALIZE			0xC2000079
#define INTEL_SIP_SMC_FCS_MAC_VERIFY_INIT			0xC200007A
#define INTEL_SIP_SMC_FCS_MAC_VERIFY_UPDATE			0xC200007B
#define INTEL_SIP_SMC_FCS_MAC_VERIFY_FINALIZE			0xC200007C
#define INTEL_SIP_SMC_FCS_ECDSA_HASH_SIGN_INIT			0xC200007D
#define INTEL_SIP_SMC_FCS_ECDSA_HASH_SIGN_FINALIZE		0xC200007F
#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_INIT		0xC2000080
#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_UPDATE		0xC2000081
#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE		0xC2000082
#define INTEL_SIP_SMC_FCS_ECDSA_HASH_SIG_VERIFY_INIT		0xC2000083
#define INTEL_SIP_SMC_FCS_ECDSA_HASH_SIG_VERIFY_FINALIZE	0xC2000085
#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_INIT	0xC2000086
#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_UPDATE	0xC2000087
#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE	0xC2000088
#define INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_INIT			0xC2000089
#define INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_FINALIZE		0xC200008B
#define INTEL_SIP_SMC_FCS_ECDH_REQUEST_INIT			0xC200008C
#define INTEL_SIP_SMC_FCS_ECDH_REQUEST_FINALIZE			0xC200008E

#define INTEL_SIP_SMC_FCS_SHA_MODE_MASK				0xF
#define INTEL_SIP_SMC_FCS_DIGEST_SIZE_MASK			0xF
#define INTEL_SIP_SMC_FCS_DIGEST_SIZE_OFFSET			4U
#define INTEL_SIP_SMC_FCS_ECC_ALGO_MASK				0xF

/* ECC DBE */
#define WARM_RESET_WFI_FLAG					BIT(31)
#define SYSMGR_ECC_DBE_COLD_RST_MASK				(SYSMGR_ECC_OCRAM_MASK |\
								SYSMGR_ECC_DDR0_MASK |\
								SYSMGR_ECC_DDR1_MASK)

/* Non-mailbox SMC Call */
#define INTEL_SIP_SMC_SVC_VERSION				0xC2000200

/**
 * SMC SiP service function identifier for version 2
 * Command code from 0x400 ~ 0x4FF
 */

/* V2: Non-mailbox function identifier */
#define INTEL_SIP_SMC_V2_GET_SVC_VERSION			0xC2000400
#define INTEL_SIP_SMC_V2_REG_READ				0xC2000401
#define INTEL_SIP_SMC_V2_REG_WRITE				0xC2000402
#define INTEL_SIP_SMC_V2_REG_UPDATE				0xC2000403
#define INTEL_SIP_SMC_V2_HPS_SET_BRIDGES			0xC2000404

/* V2: Mailbox function identifier */
#define INTEL_SIP_SMC_V2_MAILBOX_SEND_COMMAND			0xC2000420
#define INTEL_SIP_SMC_V2_MAILBOX_POLL_RESPONSE			0xC2000421

/* SMC function IDs for SiP Service queries */
#define SIP_SVC_CALL_COUNT					0x8200ff00
#define SIP_SVC_UID						0x8200ff01
#define SIP_SVC_VERSION						0x8200ff03

/* SiP Service Calls version numbers */
#define SIP_SVC_VERSION_MAJOR					1
#define SIP_SVC_VERSION_MINOR					0


/* Structure Definitions */
struct fpga_config_info {
	uint32_t addr;
	int size;
	int size_written;
	uint32_t write_requested;
	int subblocks_sent;
	int block_number;
};

typedef enum {
	NO_REQUEST = 0,
	RECONFIGURATION,
	BITSTREAM_AUTH
} config_type;

/* Function Definitions */
bool is_size_4_bytes_aligned(uint32_t size);
bool is_address_in_ddr_range(uint64_t addr, uint64_t size);

/* ECC DBE */
bool cold_reset_for_ecc_dbe(void);
uint32_t intel_ecc_dbe_notification(uint64_t dbe_value);

/* Secure register access */
uint32_t intel_secure_reg_read(uint64_t reg_addr, uint32_t *retval);
uint32_t intel_secure_reg_write(uint64_t reg_addr, uint32_t val,
				uint32_t *retval);
uint32_t intel_secure_reg_update(uint64_t reg_addr, uint32_t mask,
				 uint32_t val, uint32_t *retval);

/* Miscellaneous HPS services */
uint32_t intel_hps_set_bridges(uint64_t enable, uint64_t mask);

/* SiP Service handler for version 2 */
uintptr_t sip_smc_handler_v2(uint32_t smc_fid,
			 u_register_t x1,
			 u_register_t x2,
			 u_register_t x3,
			 u_register_t x4,
			 void *cookie,
			 void *handle,
			 u_register_t flags);

#endif /* SOCFPGA_SIP_SVC_H */