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/pm_qos.h>
11 #include <linux/soc/mediatek/mtk_sip_svc.h>
14 * MCQ define and struct
16 #define UFSHCD_MAX_Q_NR 8
17 #define MTK_MCQ_INVALID_IRQ 0xFFFF
19 /* REG_UFS_MMIO_OPT_CTRL_0 160h */
21 #define PFM_IMPV BIT(1)
22 #define MCQ_MULTI_INTR_EN BIT(2)
23 #define MCQ_CMB_INTR_EN BIT(3)
24 #define MCQ_AH8 BIT(4)
26 #define MCQ_INTR_EN_MSK (MCQ_MULTI_INTR_EN | MCQ_CMB_INTR_EN)
29 * Vendor specific UFSHCI Registers
31 #define REG_UFS_XOUFS_CTRL 0x140
32 #define REG_UFS_REFCLK_CTRL 0x144
33 #define REG_UFS_MMIO_OPT_CTRL_0 0x160
34 #define REG_UFS_EXTREG 0x2100
35 #define REG_UFS_MPHYCTRL 0x2200
36 #define REG_UFS_MTK_IP_VER 0x2240
37 #define REG_UFS_REJECT_MON 0x22AC
38 #define REG_UFS_DEBUG_SEL 0x22C0
39 #define REG_UFS_PROBE 0x22C8
40 #define REG_UFS_DEBUG_SEL_B0 0x22D0
41 #define REG_UFS_DEBUG_SEL_B1 0x22D4
42 #define REG_UFS_DEBUG_SEL_B2 0x22D8
43 #define REG_UFS_DEBUG_SEL_B3 0x22DC
45 #define REG_UFS_MTK_SQD 0x2800
46 #define REG_UFS_MTK_SQIS 0x2814
47 #define REG_UFS_MTK_CQD 0x281C
48 #define REG_UFS_MTK_CQIS 0x2824
50 #define REG_UFS_MCQ_STRIDE 0x30
55 * Values for register REG_UFS_REFCLK_CTRL
57 #define REFCLK_RELEASE 0x0
58 #define REFCLK_REQUEST BIT(0)
59 #define REFCLK_ACK BIT(1)
61 #define REFCLK_REQ_TIMEOUT_US 3000
62 #define REFCLK_DEFAULT_WAIT_US 32
67 #define VS_DEBUGCLOCKENABLE 0xD0A1
68 #define VS_SAVEPOWERCONTROL 0xD0A6
69 #define VS_UNIPROPOWERDOWNCONTROL 0xD0A8
72 * Vendor specific link state
84 * Vendor specific host controller state
89 VS_HCE_OOCPR_WAIT = 2,
92 VS_HCE_DME_ENABLE = 5,
96 VS_HIB_ENTER_CONF = 9,
98 VS_HIB_WAITTIMER = 11,
99 VS_HIB_EXIT_CONF = 12,
106 #define MTK_SIP_UFS_CONTROL MTK_SIP_SMC_CMD(0x276)
107 #define UFS_MTK_SIP_VA09_PWR_CTRL BIT(0)
108 #define UFS_MTK_SIP_DEVICE_RESET BIT(1)
109 #define UFS_MTK_SIP_CRYPTO_CTRL BIT(2)
110 #define UFS_MTK_SIP_REF_CLK_NOTIFICATION BIT(3)
111 #define UFS_MTK_SIP_HOST_PWR_CTRL BIT(5)
112 #define UFS_MTK_SIP_GET_VCC_NUM BIT(6)
113 #define UFS_MTK_SIP_DEVICE_PWR_CTRL BIT(7)
116 * VS_DEBUGCLOCKENABLE
119 TX_SYMBOL_CLK_REQ_FORCE = 5,
123 * VS_SAVEPOWERCONTROL
126 RX_SYMBOL_CLK_GATE_EN = 0,
134 enum ufs_mtk_host_caps {
135 UFS_MTK_CAP_BOOST_CRYPT_ENGINE = 1 << 0,
136 UFS_MTK_CAP_VA09_PWR_CTRL = 1 << 1,
137 UFS_MTK_CAP_DISABLE_AH8 = 1 << 2,
138 UFS_MTK_CAP_BROKEN_VCC = 1 << 3,
139 UFS_MTK_CAP_PMC_VIA_FASTAUTO = 1 << 6,
142 struct ufs_mtk_crypt_cfg {
143 struct regulator *reg_vcore;
144 struct clk *clk_crypt_perf;
145 struct clk *clk_crypt_mux;
146 struct clk *clk_crypt_lp;
151 struct ufs_clk_info *ufs_sel_clki; /* Mux */
152 struct ufs_clk_info *ufs_sel_max_clki; /* Max src */
153 struct ufs_clk_info *ufs_sel_min_clki; /* Min src */
156 struct ufs_mtk_hw_ver {
162 struct ufs_mtk_mcq_intr_info {
168 struct ufs_mtk_host {
170 struct pm_qos_request pm_qos_req;
171 struct regulator *reg_va09;
172 struct reset_control *hci_reset;
173 struct reset_control *unipro_reset;
174 struct reset_control *crypto_reset;
176 struct ufs_mtk_crypt_cfg *crypt;
177 struct ufs_mtk_clk mclk;
178 struct ufs_mtk_hw_ver hw_ver;
179 enum ufs_mtk_host_caps caps;
180 bool mphy_powered_on;
183 bool ref_clk_enabled;
184 u16 ref_clk_ungating_wait_us;
185 u16 ref_clk_gating_wait_us;
190 struct ufs_mtk_mcq_intr_info mcq_intr_info[UFSHCD_MAX_Q_NR];
194 * Multi-VCC by Numbering
196 enum ufs_mtk_vcc_num {
204 * Host Power Control options
212 * SMC call wrapper function
214 struct ufs_mtk_smc_arg {
216 struct arm_smccc_res *res;
226 static void _ufs_mtk_smc(struct ufs_mtk_smc_arg s)
228 arm_smccc_smc(MTK_SIP_UFS_CONTROL,
229 s.cmd, s.v1, s.v2, s.v3, s.v4, s.v5, s.v6, s.res);
232 #define ufs_mtk_smc(...) \
233 _ufs_mtk_smc((struct ufs_mtk_smc_arg) {__VA_ARGS__})
238 #define ufs_mtk_va09_pwr_ctrl(res, on) \
239 ufs_mtk_smc(UFS_MTK_SIP_VA09_PWR_CTRL, &(res), on)
241 #define ufs_mtk_crypto_ctrl(res, enable) \
242 ufs_mtk_smc(UFS_MTK_SIP_CRYPTO_CTRL, &(res), enable)
244 #define ufs_mtk_ref_clk_notify(on, stage, res) \
245 ufs_mtk_smc(UFS_MTK_SIP_REF_CLK_NOTIFICATION, &(res), on, stage)
247 #define ufs_mtk_device_reset_ctrl(high, res) \
248 ufs_mtk_smc(UFS_MTK_SIP_DEVICE_RESET, &(res), high)
250 #define ufs_mtk_host_pwr_ctrl(opt, on, res) \
251 ufs_mtk_smc(UFS_MTK_SIP_HOST_PWR_CTRL, &(res), opt, on)
253 #define ufs_mtk_get_vcc_num(res) \
254 ufs_mtk_smc(UFS_MTK_SIP_GET_VCC_NUM, &(res))
256 #define ufs_mtk_device_pwr_ctrl(on, ufs_ver, res) \
257 ufs_mtk_smc(UFS_MTK_SIP_DEVICE_PWR_CTRL, &(res), on, ufs_ver)
259 #endif /* !_UFS_MEDIATEK_H */