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/*
* Copyright (c) 2017, HiSilicon. All rights reserved.
*
* Released under the GPLv2 only.
* SPDX-License-Identifier: GPL-2.0
*/
#ifndef UFS_HISI_H_
#define UFS_HISI_H_
#define HBRN8_POLL_TOUT_MS 1000
/*
* ufs sysctrl specific define
*/
#define PSW_POWER_CTRL (0x04)
#define PHY_ISO_EN (0x08)
#define HC_LP_CTRL (0x0C)
#define PHY_CLK_CTRL (0x10)
#define PSW_CLK_CTRL (0x14)
#define CLOCK_GATE_BYPASS (0x18)
#define RESET_CTRL_EN (0x1C)
#define UFS_SYSCTRL (0x5C)
#define UFS_DEVICE_RESET_CTRL (0x60)
#define BIT_UFS_PSW_ISO_CTRL (1 << 16)
#define BIT_UFS_PSW_MTCMOS_EN (1 << 0)
#define BIT_UFS_REFCLK_ISO_EN (1 << 16)
#define BIT_UFS_PHY_ISO_CTRL (1 << 0)
#define BIT_SYSCTRL_LP_ISOL_EN (1 << 16)
#define BIT_SYSCTRL_PWR_READY (1 << 8)
#define BIT_SYSCTRL_REF_CLOCK_EN (1 << 24)
#define MASK_SYSCTRL_REF_CLOCK_SEL (0x3 << 8)
#define MASK_SYSCTRL_CFG_CLOCK_FREQ (0xFF)
#define UFS_FREQ_CFG_CLK (0x39)
#define BIT_SYSCTRL_PSW_CLK_EN (1 << 4)
#define MASK_UFS_CLK_GATE_BYPASS (0x3F)
#define BIT_SYSCTRL_LP_RESET_N (1 << 0)
#define BIT_UFS_REFCLK_SRC_SEl (1 << 0)
#define MASK_UFS_SYSCRTL_BYPASS (0x3F << 16)
#define MASK_UFS_DEVICE_RESET (0x1 << 16)
#define BIT_UFS_DEVICE_RESET (0x1)
/*
* M-TX Configuration Attributes for Hixxxx
*/
#define MPHY_TX_FSM_STATE 0x41
#define TX_FSM_HIBERN8 0x1
/*
* Hixxxx UFS HC specific Registers
*/
enum {
UFS_REG_OCPTHRTL = 0xc0,
UFS_REG_OOCPR = 0xc4,
UFS_REG_CDACFG = 0xd0,
UFS_REG_CDATX1 = 0xd4,
UFS_REG_CDATX2 = 0xd8,
UFS_REG_CDARX1 = 0xdc,
UFS_REG_CDARX2 = 0xe0,
UFS_REG_CDASTA = 0xe4,
UFS_REG_LBMCFG = 0xf0,
UFS_REG_LBMSTA = 0xf4,
UFS_REG_UFSMODE = 0xf8,
UFS_REG_HCLKDIV = 0xfc,
};
/* AHIT - Auto-Hibernate Idle Timer */
#define UFS_AHIT_AH8ITV_MASK 0x3FF
/* REG UFS_REG_OCPTHRTL definition */
#define UFS_HCLKDIV_NORMAL_VALUE 0xE4
/* vendor specific pre-defined parameters */
#define SLOW 1
#define FAST 2
#define UFS_HISI_LIMIT_NUM_LANES_RX 2
#define UFS_HISI_LIMIT_NUM_LANES_TX 2
#define UFS_HISI_LIMIT_HSGEAR_RX UFS_HS_G3
#define UFS_HISI_LIMIT_HSGEAR_TX UFS_HS_G3
#define UFS_HISI_LIMIT_PWMGEAR_RX UFS_PWM_G4
#define UFS_HISI_LIMIT_PWMGEAR_TX UFS_PWM_G4
#define UFS_HISI_LIMIT_RX_PWR_PWM SLOW_MODE
#define UFS_HISI_LIMIT_TX_PWR_PWM SLOW_MODE
#define UFS_HISI_LIMIT_RX_PWR_HS FAST_MODE
#define UFS_HISI_LIMIT_TX_PWR_HS FAST_MODE
#define UFS_HISI_LIMIT_HS_RATE PA_HS_MODE_B
#define UFS_HISI_LIMIT_DESIRED_MODE FAST
struct ufs_hisi_host {
struct ufs_hba *hba;
void __iomem *ufs_sys_ctrl;
struct reset_control *rst;
uint64_t caps;
bool in_suspend;
};
#define ufs_sys_ctrl_writel(host, val, reg) \
writel((val), (host)->ufs_sys_ctrl + (reg))
#define ufs_sys_ctrl_readl(host, reg) readl((host)->ufs_sys_ctrl + (reg))
#define ufs_sys_ctrl_set_bits(host, mask, reg) \
ufs_sys_ctrl_writel( \
(host), ((mask) | (ufs_sys_ctrl_readl((host), (reg)))), (reg))
#define ufs_sys_ctrl_clr_bits(host, mask, reg) \
ufs_sys_ctrl_writel((host), \
((~(mask)) & (ufs_sys_ctrl_readl((host), (reg)))), \
(reg))
#endif /* UFS_HISI_H_ */
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