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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2022 MediaTek Inc.
*/
#ifndef _UFS_MEDIATEK_SIP_H
#define _UFS_MEDIATEK_SIP_H
#include <linux/soc/mediatek/mtk_sip_svc.h>
/*
* SiP (Slicon Partner) commands
*/
#define MTK_SIP_UFS_CONTROL MTK_SIP_SMC_CMD(0x276)
#define UFS_MTK_SIP_VA09_PWR_CTRL BIT(0)
#define UFS_MTK_SIP_DEVICE_RESET BIT(1)
#define UFS_MTK_SIP_CRYPTO_CTRL BIT(2)
#define UFS_MTK_SIP_REF_CLK_NOTIFICATION BIT(3)
#define UFS_MTK_SIP_SRAM_PWR_CTRL BIT(5)
#define UFS_MTK_SIP_GET_VCC_NUM BIT(6)
#define UFS_MTK_SIP_DEVICE_PWR_CTRL BIT(7)
#define UFS_MTK_SIP_MPHY_CTRL BIT(8)
#define UFS_MTK_SIP_MTCMOS_CTRL BIT(9)
/*
* Multi-VCC by Numbering
*/
enum ufs_mtk_vcc_num {
UFS_VCC_NONE = 0,
UFS_VCC_1,
UFS_VCC_2,
UFS_VCC_MAX
};
enum ufs_mtk_mphy_op {
UFS_MPHY_BACKUP = 0,
UFS_MPHY_RESTORE
};
/*
* SMC call wrapper function
*/
struct ufs_mtk_smc_arg {
unsigned long cmd;
struct arm_smccc_res *res;
unsigned long v1;
unsigned long v2;
unsigned long v3;
unsigned long v4;
unsigned long v5;
unsigned long v6;
unsigned long v7;
};
static inline void _ufs_mtk_smc(struct ufs_mtk_smc_arg s)
{
arm_smccc_smc(MTK_SIP_UFS_CONTROL,
s.cmd,
s.v1, s.v2, s.v3, s.v4, s.v5, s.v6, s.res);
}
#define ufs_mtk_smc(...) \
_ufs_mtk_smc((struct ufs_mtk_smc_arg) {__VA_ARGS__})
/* Sip kernel interface */
#define ufs_mtk_va09_pwr_ctrl(res, on) \
ufs_mtk_smc(UFS_MTK_SIP_VA09_PWR_CTRL, &(res), on)
#define ufs_mtk_crypto_ctrl(res, enable) \
ufs_mtk_smc(UFS_MTK_SIP_CRYPTO_CTRL, &(res), enable)
#define ufs_mtk_ref_clk_notify(on, stage, res) \
ufs_mtk_smc(UFS_MTK_SIP_REF_CLK_NOTIFICATION, &(res), on, stage)
#define ufs_mtk_device_reset_ctrl(high, res) \
ufs_mtk_smc(UFS_MTK_SIP_DEVICE_RESET, &(res), high)
#define ufs_mtk_sram_pwr_ctrl(on, res) \
ufs_mtk_smc(UFS_MTK_SIP_SRAM_PWR_CTRL, &(res), on)
#define ufs_mtk_get_vcc_num(res) \
ufs_mtk_smc(UFS_MTK_SIP_GET_VCC_NUM, &(res))
#define ufs_mtk_device_pwr_ctrl(on, ufs_version, res) \
ufs_mtk_smc(UFS_MTK_SIP_DEVICE_PWR_CTRL, &(res), on, ufs_version)
#define ufs_mtk_mphy_ctrl(op, res) \
ufs_mtk_smc(UFS_MTK_SIP_MPHY_CTRL, &(res), op)
#define ufs_mtk_mtcmos_ctrl(op, res) \
ufs_mtk_smc(UFS_MTK_SIP_MTCMOS_CTRL, &(res), op)
#endif /* !_UFS_MEDIATEK_SIP_H */
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