1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Copyright (C) 2022 MediaTek Inc.
4 */
5
6 #ifndef _UFS_MEDIATEK_SIP_H
7 #define _UFS_MEDIATEK_SIP_H
8
9 #include <linux/soc/mediatek/mtk_sip_svc.h>
10
11 /*
12 * SiP (Slicon Partner) commands
13 */
14 #define MTK_SIP_UFS_CONTROL MTK_SIP_SMC_CMD(0x276)
15 #define UFS_MTK_SIP_VA09_PWR_CTRL BIT(0)
16 #define UFS_MTK_SIP_DEVICE_RESET BIT(1)
17 #define UFS_MTK_SIP_CRYPTO_CTRL BIT(2)
18 #define UFS_MTK_SIP_REF_CLK_NOTIFICATION BIT(3)
19 #define UFS_MTK_SIP_SRAM_PWR_CTRL BIT(5)
20 #define UFS_MTK_SIP_GET_VCC_NUM BIT(6)
21 #define UFS_MTK_SIP_DEVICE_PWR_CTRL BIT(7)
22 #define UFS_MTK_SIP_MPHY_CTRL BIT(8)
23 #define UFS_MTK_SIP_MTCMOS_CTRL BIT(9)
24
25 /*
26 * Multi-VCC by Numbering
27 */
28 enum ufs_mtk_vcc_num {
29 UFS_VCC_NONE = 0,
30 UFS_VCC_1,
31 UFS_VCC_2,
32 UFS_VCC_MAX
33 };
34
35 enum ufs_mtk_mphy_op {
36 UFS_MPHY_BACKUP = 0,
37 UFS_MPHY_RESTORE
38 };
39
40 /*
41 * SMC call wrapper function
42 */
43 struct ufs_mtk_smc_arg {
44 unsigned long cmd;
45 struct arm_smccc_res *res;
46 unsigned long v1;
47 unsigned long v2;
48 unsigned long v3;
49 unsigned long v4;
50 unsigned long v5;
51 unsigned long v6;
52 unsigned long v7;
53 };
54
55
_ufs_mtk_smc(struct ufs_mtk_smc_arg s)56 static inline void _ufs_mtk_smc(struct ufs_mtk_smc_arg s)
57 {
58 arm_smccc_smc(MTK_SIP_UFS_CONTROL,
59 s.cmd,
60 s.v1, s.v2, s.v3, s.v4, s.v5, s.v6, s.res);
61 }
62
63 #define ufs_mtk_smc(...) \
64 _ufs_mtk_smc((struct ufs_mtk_smc_arg) {__VA_ARGS__})
65
66 /* Sip kernel interface */
67 #define ufs_mtk_va09_pwr_ctrl(res, on) \
68 ufs_mtk_smc(UFS_MTK_SIP_VA09_PWR_CTRL, &(res), on)
69
70 #define ufs_mtk_crypto_ctrl(res, enable) \
71 ufs_mtk_smc(UFS_MTK_SIP_CRYPTO_CTRL, &(res), enable)
72
73 #define ufs_mtk_ref_clk_notify(on, stage, res) \
74 ufs_mtk_smc(UFS_MTK_SIP_REF_CLK_NOTIFICATION, &(res), on, stage)
75
76 #define ufs_mtk_device_reset_ctrl(high, res) \
77 ufs_mtk_smc(UFS_MTK_SIP_DEVICE_RESET, &(res), high)
78
79 #define ufs_mtk_sram_pwr_ctrl(on, res) \
80 ufs_mtk_smc(UFS_MTK_SIP_SRAM_PWR_CTRL, &(res), on)
81
82 #define ufs_mtk_get_vcc_num(res) \
83 ufs_mtk_smc(UFS_MTK_SIP_GET_VCC_NUM, &(res))
84
85 #define ufs_mtk_device_pwr_ctrl(on, ufs_version, res) \
86 ufs_mtk_smc(UFS_MTK_SIP_DEVICE_PWR_CTRL, &(res), on, ufs_version)
87
88 #define ufs_mtk_mphy_ctrl(op, res) \
89 ufs_mtk_smc(UFS_MTK_SIP_MPHY_CTRL, &(res), op)
90
91 #define ufs_mtk_mtcmos_ctrl(op, res) \
92 ufs_mtk_smc(UFS_MTK_SIP_MTCMOS_CTRL, &(res), op)
93
94 #endif /* !_UFS_MEDIATEK_SIP_H */
95