1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2019 MediaTek Inc.
6 #ifndef _UFS_MEDIATEK_H
7 #define _UFS_MEDIATEK_H
9 #include <linux/bitops.h>
10 #include <linux/soc/mediatek/mtk_sip_svc.h>
13 * MCQ define and struct
15 #define UFSHCD_MAX_Q_NR 8
16 #define MTK_MCQ_INVALID_IRQ 0xFFFF
18 /* REG_UFS_MMIO_OPT_CTRL_0 160h */
20 #define PFM_IMPV BIT(1)
21 #define MCQ_MULTI_INTR_EN BIT(2)
22 #define MCQ_CMB_INTR_EN BIT(3)
23 #define MCQ_AH8 BIT(4)
25 #define MCQ_INTR_EN_MSK (MCQ_MULTI_INTR_EN | MCQ_CMB_INTR_EN)
28 * Vendor specific UFSHCI Registers
30 #define REG_UFS_XOUFS_CTRL 0x140
31 #define REG_UFS_REFCLK_CTRL 0x144
32 #define REG_UFS_MMIO_OPT_CTRL_0 0x160
33 #define REG_UFS_EXTREG 0x2100
34 #define REG_UFS_MPHYCTRL 0x2200
35 #define REG_UFS_MTK_IP_VER 0x2240
36 #define REG_UFS_REJECT_MON 0x22AC
37 #define REG_UFS_DEBUG_SEL 0x22C0
38 #define REG_UFS_PROBE 0x22C8
39 #define REG_UFS_DEBUG_SEL_B0 0x22D0
40 #define REG_UFS_DEBUG_SEL_B1 0x22D4
41 #define REG_UFS_DEBUG_SEL_B2 0x22D8
42 #define REG_UFS_DEBUG_SEL_B3 0x22DC
44 #define REG_UFS_MTK_SQD 0x2800
45 #define REG_UFS_MTK_SQIS 0x2814
46 #define REG_UFS_MTK_CQD 0x281C
47 #define REG_UFS_MTK_CQIS 0x2824
49 #define REG_UFS_MCQ_STRIDE 0x30
54 * Values for register REG_UFS_REFCLK_CTRL
56 #define REFCLK_RELEASE 0x0
57 #define REFCLK_REQUEST BIT(0)
58 #define REFCLK_ACK BIT(1)
60 #define REFCLK_REQ_TIMEOUT_US 3000
61 #define REFCLK_DEFAULT_WAIT_US 32
66 #define VS_DEBUGCLOCKENABLE 0xD0A1
67 #define VS_SAVEPOWERCONTROL 0xD0A6
68 #define VS_UNIPROPOWERDOWNCONTROL 0xD0A8
71 * Vendor specific link state
83 * Vendor specific host controller state
88 VS_HCE_OOCPR_WAIT = 2,
91 VS_HCE_DME_ENABLE = 5,
95 VS_HIB_ENTER_CONF = 9,
97 VS_HIB_WAITTIMER = 11,
98 VS_HIB_EXIT_CONF = 12,
105 #define MTK_SIP_UFS_CONTROL MTK_SIP_SMC_CMD(0x276)
106 #define UFS_MTK_SIP_VA09_PWR_CTRL BIT(0)
107 #define UFS_MTK_SIP_DEVICE_RESET BIT(1)
108 #define UFS_MTK_SIP_CRYPTO_CTRL BIT(2)
109 #define UFS_MTK_SIP_REF_CLK_NOTIFICATION BIT(3)
110 #define UFS_MTK_SIP_HOST_PWR_CTRL BIT(5)
111 #define UFS_MTK_SIP_GET_VCC_NUM BIT(6)
112 #define UFS_MTK_SIP_DEVICE_PWR_CTRL BIT(7)
115 * VS_DEBUGCLOCKENABLE
118 TX_SYMBOL_CLK_REQ_FORCE = 5,
122 * VS_SAVEPOWERCONTROL
125 RX_SYMBOL_CLK_GATE_EN = 0,
133 enum ufs_mtk_host_caps {
134 UFS_MTK_CAP_BOOST_CRYPT_ENGINE = 1 << 0,
135 UFS_MTK_CAP_VA09_PWR_CTRL = 1 << 1,
136 UFS_MTK_CAP_DISABLE_AH8 = 1 << 2,
137 UFS_MTK_CAP_BROKEN_VCC = 1 << 3,
138 UFS_MTK_CAP_PMC_VIA_FASTAUTO = 1 << 6,
141 struct ufs_mtk_crypt_cfg {
142 struct regulator *reg_vcore;
143 struct clk *clk_crypt_perf;
144 struct clk *clk_crypt_mux;
145 struct clk *clk_crypt_lp;
150 struct ufs_clk_info *ufs_sel_clki; /* Mux */
151 struct ufs_clk_info *ufs_sel_max_clki; /* Max src */
152 struct ufs_clk_info *ufs_sel_min_clki; /* Min src */
155 struct ufs_mtk_hw_ver {
161 struct ufs_mtk_mcq_intr_info {
167 struct ufs_mtk_host {
169 struct regulator *reg_va09;
170 struct reset_control *hci_reset;
171 struct reset_control *unipro_reset;
172 struct reset_control *crypto_reset;
174 struct ufs_mtk_crypt_cfg *crypt;
175 struct ufs_mtk_clk mclk;
176 struct ufs_mtk_hw_ver hw_ver;
177 enum ufs_mtk_host_caps caps;
178 bool mphy_powered_on;
180 bool ref_clk_enabled;
181 u16 ref_clk_ungating_wait_us;
182 u16 ref_clk_gating_wait_us;
186 bool is_mcq_intr_enabled;
188 struct ufs_mtk_mcq_intr_info mcq_intr_info[UFSHCD_MAX_Q_NR];
191 /* MTK delay of autosuspend: 500 ms */
192 #define MTK_RPM_AUTOSUSPEND_DELAY_MS 500
195 * Multi-VCC by Numbering
197 enum ufs_mtk_vcc_num {
205 * Host Power Control options
213 * SMC call wrapper function
215 struct ufs_mtk_smc_arg {
217 struct arm_smccc_res *res;
227 static void _ufs_mtk_smc(struct ufs_mtk_smc_arg s)
229 arm_smccc_smc(MTK_SIP_UFS_CONTROL,
230 s.cmd, s.v1, s.v2, s.v3, s.v4, s.v5, s.v6, s.res);
233 #define ufs_mtk_smc(...) \
234 _ufs_mtk_smc((struct ufs_mtk_smc_arg) {__VA_ARGS__})
239 #define ufs_mtk_va09_pwr_ctrl(res, on) \
240 ufs_mtk_smc(UFS_MTK_SIP_VA09_PWR_CTRL, &(res), on)
242 #define ufs_mtk_crypto_ctrl(res, enable) \
243 ufs_mtk_smc(UFS_MTK_SIP_CRYPTO_CTRL, &(res), enable)
245 #define ufs_mtk_ref_clk_notify(on, stage, res) \
246 ufs_mtk_smc(UFS_MTK_SIP_REF_CLK_NOTIFICATION, &(res), on, stage)
248 #define ufs_mtk_device_reset_ctrl(high, res) \
249 ufs_mtk_smc(UFS_MTK_SIP_DEVICE_RESET, &(res), high)
251 #define ufs_mtk_host_pwr_ctrl(opt, on, res) \
252 ufs_mtk_smc(UFS_MTK_SIP_HOST_PWR_CTRL, &(res), opt, on)
254 #define ufs_mtk_get_vcc_num(res) \
255 ufs_mtk_smc(UFS_MTK_SIP_GET_VCC_NUM, &(res))
257 #define ufs_mtk_device_pwr_ctrl(on, ufs_ver, res) \
258 ufs_mtk_smc(UFS_MTK_SIP_DEVICE_PWR_CTRL, &(res), on, ufs_ver)
260 #endif /* !_UFS_MEDIATEK_H */