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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (C) 2014-2017 Broadcom4 */5 6#ifndef _USB_BRCM_COMMON_INIT_H7#define _USB_BRCM_COMMON_INIT_H8 9#include <linux/regmap.h>10 11#define USB_CTLR_MODE_HOST 012#define USB_CTLR_MODE_DEVICE 113#define USB_CTLR_MODE_DRD 214#define USB_CTLR_MODE_TYPEC_PD 315 16enum brcmusb_reg_sel {17 BRCM_REGS_CTRL = 0,18 BRCM_REGS_XHCI_EC,19 BRCM_REGS_XHCI_GBL,20 BRCM_REGS_USB_PHY,21 BRCM_REGS_USB_MDIO,22 BRCM_REGS_BDC_EC,23 BRCM_REGS_MAX24};25 26#define USB_CTRL_REG(base, reg) ((void __iomem *)base + USB_CTRL_##reg)27#define USB_XHCI_EC_REG(base, reg) ((void __iomem *)base + USB_XHCI_EC_##reg)28#define USB_CTRL_MASK(reg, field) \29 USB_CTRL_##reg##_##field##_MASK30#define USB_CTRL_SET(base, reg, field) \31 brcm_usb_ctrl_set(USB_CTRL_REG(base, reg), \32 USB_CTRL_##reg##_##field##_MASK)33#define USB_CTRL_UNSET(base, reg, field) \34 brcm_usb_ctrl_unset(USB_CTRL_REG(base, reg), \35 USB_CTRL_##reg##_##field##_MASK)36 37#define USB_XHCI_GBL_REG(base, reg) ((void __iomem *)base + USB_XHCI_GBL_##reg)38#define USB_XHCI_GBL_SET(base, reg, field) \39 brcm_usb_ctrl_set(USB_XHCI_GBL_REG(base, reg), \40 USB_XHCI_GBL_##reg##_##field##_MASK)41#define USB_XHCI_GBL_UNSET(base, reg, field) \42 brcm_usb_ctrl_unset(USB_XHCI_GBL_REG(base, reg), \43 USB_XHCI_GBL_##reg##_##field##_MASK)44 45struct brcm_usb_init_params;46 47struct brcm_usb_init_ops {48 void (*init_ipp)(struct brcm_usb_init_params *params);49 void (*init_common)(struct brcm_usb_init_params *params);50 void (*init_eohci)(struct brcm_usb_init_params *params);51 void (*init_xhci)(struct brcm_usb_init_params *params);52 void (*uninit_common)(struct brcm_usb_init_params *params);53 void (*uninit_eohci)(struct brcm_usb_init_params *params);54 void (*uninit_xhci)(struct brcm_usb_init_params *params);55 int (*get_dual_select)(struct brcm_usb_init_params *params);56 void (*set_dual_select)(struct brcm_usb_init_params *params);57};58 59struct brcm_usb_init_params {60 void __iomem *regs[BRCM_REGS_MAX];61 int ioc;62 int ipp;63 int supported_port_modes;64 int port_mode;65 u32 family_id;66 u32 product_id;67 int selected_family;68 const char *family_name;69 const u32 *usb_reg_bits_map;70 const struct brcm_usb_init_ops *ops;71 struct regmap *syscon_piarbctl;72 bool wake_enabled;73};74 75void brcm_usb_dvr_init_4908(struct brcm_usb_init_params *params);76void brcm_usb_dvr_init_7445(struct brcm_usb_init_params *params);77void brcm_usb_dvr_init_7216(struct brcm_usb_init_params *params);78void brcm_usb_dvr_init_7211b0(struct brcm_usb_init_params *params);79 80static inline u32 brcm_usb_readl(void __iomem *addr)81{82 /*83 * MIPS endianness is configured by boot strap, which also reverses all84 * bus endianness (i.e., big-endian CPU + big endian bus ==> native85 * endian I/O).86 *87 * Other architectures (e.g., ARM) either do not support big endian, or88 * else leave I/O in little endian mode.89 */90 if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN))91 return __raw_readl(addr);92 else93 return readl_relaxed(addr);94}95 96static inline void brcm_usb_writel(u32 val, void __iomem *addr)97{98 /* See brcmnand_readl() comments */99 if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN))100 __raw_writel(val, addr);101 else102 writel_relaxed(val, addr);103}104 105static inline void brcm_usb_ctrl_unset(void __iomem *reg, u32 mask)106{107 brcm_usb_writel(brcm_usb_readl(reg) & ~(mask), reg);108};109 110static inline void brcm_usb_ctrl_set(void __iomem *reg, u32 mask)111{112 brcm_usb_writel(brcm_usb_readl(reg) | (mask), reg);113};114 115static inline void brcm_usb_init_ipp(struct brcm_usb_init_params *ini)116{117 if (ini->ops->init_ipp)118 ini->ops->init_ipp(ini);119}120 121static inline void brcm_usb_init_common(struct brcm_usb_init_params *ini)122{123 if (ini->ops->init_common)124 ini->ops->init_common(ini);125}126 127static inline void brcm_usb_init_eohci(struct brcm_usb_init_params *ini)128{129 if (ini->ops->init_eohci)130 ini->ops->init_eohci(ini);131}132 133static inline void brcm_usb_init_xhci(struct brcm_usb_init_params *ini)134{135 if (ini->ops->init_xhci)136 ini->ops->init_xhci(ini);137}138 139static inline void brcm_usb_uninit_common(struct brcm_usb_init_params *ini)140{141 if (ini->ops->uninit_common)142 ini->ops->uninit_common(ini);143}144 145static inline void brcm_usb_uninit_eohci(struct brcm_usb_init_params *ini)146{147 if (ini->ops->uninit_eohci)148 ini->ops->uninit_eohci(ini);149}150 151static inline void brcm_usb_uninit_xhci(struct brcm_usb_init_params *ini)152{153 if (ini->ops->uninit_xhci)154 ini->ops->uninit_xhci(ini);155}156 157static inline int brcm_usb_get_dual_select(struct brcm_usb_init_params *ini)158{159 if (ini->ops->get_dual_select)160 return ini->ops->get_dual_select(ini);161 return 0;162}163 164static inline void brcm_usb_set_dual_select(struct brcm_usb_init_params *ini)165{166 if (ini->ops->set_dual_select)167 ini->ops->set_dual_select(ini);168}169 170#endif /* _USB_BRCM_COMMON_INIT_H */171