diff options
Diffstat (limited to 'drivers/phy/broadcom/phy-brcm-usb-init.h')
-rw-r--r-- | drivers/phy/broadcom/phy-brcm-usb-init.h | 140 |
1 files changed, 127 insertions, 13 deletions
diff --git a/drivers/phy/broadcom/phy-brcm-usb-init.h b/drivers/phy/broadcom/phy-brcm-usb-init.h index f473e0c51f0b..7701872d1136 100644 --- a/drivers/phy/broadcom/phy-brcm-usb-init.h +++ b/drivers/phy/broadcom/phy-brcm-usb-init.h @@ -13,6 +13,33 @@ struct brcm_usb_init_params; +#define USB_CTRL_REG(base, reg) ((void __iomem *)base + USB_CTRL_##reg) +#define USB_XHCI_EC_REG(base, reg) ((void __iomem *)base + USB_XHCI_EC_##reg) +#define USB_CTRL_MASK(reg, field) \ + USB_CTRL_##reg##_##field##_MASK +#define USB_CTRL_SET(base, reg, field) \ + brcm_usb_ctrl_set(USB_CTRL_REG(base, reg), \ + USB_CTRL_##reg##_##field##_MASK) +#define USB_CTRL_UNSET(base, reg, field) \ + brcm_usb_ctrl_unset(USB_CTRL_REG(base, reg), \ + USB_CTRL_##reg##_##field##_MASK) + +struct brcm_usb_init_params; + +struct brcm_usb_init_ops { + void (*init_ipp)(struct brcm_usb_init_params *params); + void (*init_common)(struct brcm_usb_init_params *params); + void (*init_eohci)(struct brcm_usb_init_params *params); + void (*init_xhci)(struct brcm_usb_init_params *params); + void (*uninit_common)(struct brcm_usb_init_params *params); + void (*uninit_eohci)(struct brcm_usb_init_params *params); + void (*uninit_xhci)(struct brcm_usb_init_params *params); + int (*get_dual_select)(struct brcm_usb_init_params *params); + void (*set_dual_select)(struct brcm_usb_init_params *params, int mode); + void (*wake_enable)(struct brcm_usb_init_params *params, + int enable); +}; + struct brcm_usb_init_params { void __iomem *ctrl_regs; void __iomem *xhci_ec_regs; @@ -24,20 +51,107 @@ struct brcm_usb_init_params { int selected_family; const char *family_name; const u32 *usb_reg_bits_map; + const struct brcm_usb_init_ops *ops; }; -void brcm_usb_set_family_map(struct brcm_usb_init_params *params); -int brcm_usb_init_get_dual_select(struct brcm_usb_init_params *params); -void brcm_usb_init_set_dual_select(struct brcm_usb_init_params *params, - int mode); - -void brcm_usb_init_ipp(struct brcm_usb_init_params *ini); -void brcm_usb_init_common(struct brcm_usb_init_params *ini); -void brcm_usb_init_eohci(struct brcm_usb_init_params *ini); -void brcm_usb_init_xhci(struct brcm_usb_init_params *ini); -void brcm_usb_uninit_common(struct brcm_usb_init_params *ini); -void brcm_usb_uninit_eohci(struct brcm_usb_init_params *ini); -void brcm_usb_uninit_xhci(struct brcm_usb_init_params *ini); -void brcm_usb_wake_enable(struct brcm_usb_init_params *params, int enable); +void brcm_usb_dvr_init_7445(struct brcm_usb_init_params *params); + +static inline u32 brcm_usb_readl(void __iomem *addr) +{ + /* + * MIPS endianness is configured by boot strap, which also reverses all + * bus endianness (i.e., big-endian CPU + big endian bus ==> native + * endian I/O). + * + * Other architectures (e.g., ARM) either do not support big endian, or + * else leave I/O in little endian mode. + */ + if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(__BIG_ENDIAN)) + return __raw_readl(addr); + else + return readl_relaxed(addr); +} + +static inline void brcm_usb_writel(u32 val, void __iomem *addr) +{ + /* See brcmnand_readl() comments */ + if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(__BIG_ENDIAN)) + __raw_writel(val, addr); + else + writel_relaxed(val, addr); +} + +static inline void brcm_usb_ctrl_unset(void __iomem *reg, u32 mask) +{ + brcm_usb_writel(brcm_usb_readl(reg) & ~(mask), reg); +}; + +static inline void brcm_usb_ctrl_set(void __iomem *reg, u32 mask) +{ + brcm_usb_writel(brcm_usb_readl(reg) | (mask), reg); +}; + +static inline void brcm_usb_init_ipp(struct brcm_usb_init_params *ini) +{ + if (ini->ops->init_ipp) + ini->ops->init_ipp(ini); +} + +static inline void brcm_usb_init_common(struct brcm_usb_init_params *ini) +{ + if (ini->ops->init_common) + ini->ops->init_common(ini); +} + +static inline void brcm_usb_init_eohci(struct brcm_usb_init_params *ini) +{ + if (ini->ops->init_eohci) + ini->ops->init_eohci(ini); +} + +static inline void brcm_usb_init_xhci(struct brcm_usb_init_params *ini) +{ + if (ini->ops->init_xhci) + ini->ops->init_xhci(ini); +} + +static inline void brcm_usb_uninit_common(struct brcm_usb_init_params *ini) +{ + if (ini->ops->uninit_common) + ini->ops->uninit_common(ini); +} + +static inline void brcm_usb_uninit_eohci(struct brcm_usb_init_params *ini) +{ + if (ini->ops->uninit_eohci) + ini->ops->uninit_eohci(ini); +} + +static inline void brcm_usb_uninit_xhci(struct brcm_usb_init_params *ini) +{ + if (ini->ops->uninit_xhci) + ini->ops->uninit_xhci(ini); +} + +static inline void brcm_usb_wake_enable(struct brcm_usb_init_params *ini, + int enable) +{ + if (ini->ops->wake_enable) + ini->ops->wake_enable(ini, enable); +} + +static inline int brcm_usb_get_dual_select(struct brcm_usb_init_params *ini) +{ + if (ini->ops->get_dual_select) + return ini->ops->get_dual_select(ini); + return 0; +} + +static inline void brcm_usb_set_dual_select(struct brcm_usb_init_params *ini, + int mode) +{ + if (ini->ops->set_dual_select) + ini->ops->set_dual_select(ini, mode); +} #endif /* _USB_BRCM_COMMON_INIT_H */ |