tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 */
28enum ufs_mtk_vcc_num {
29 UFS_VCC_NONE = 0,
30 UFS_VCC_1,
31 UFS_VCC_2,
32 UFS_VCC_MAX
33};
34
35enum ufs_mtk_mphy_op {
36 UFS_MPHY_BACKUP = 0,
37 UFS_MPHY_RESTORE
38};
39
40/*
41 * SMC call wrapper function
42 */
43struct 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
56static 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 */