diff options
Diffstat (limited to 'drivers/usb/host/uhci-hcd.h')
| -rw-r--r-- | drivers/usb/host/uhci-hcd.h | 67 |
1 files changed, 52 insertions, 15 deletions
diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h index a4e64d08f02..10b68a846f6 100644 --- a/drivers/usb/host/uhci-hcd.h +++ b/drivers/usb/host/uhci-hcd.h @@ -421,6 +421,7 @@ struct uhci_hcd { /* Silicon quirks */ unsigned int oc_low:1; /* OverCurrent bit active low */ unsigned int wait_for_hp:1; /* Wait for HP port reset */ + unsigned int big_endian_mmio:1; /* Big endian registers */ /* Support for port suspend/resume/reset */ unsigned long port_c_suspend; /* Bit-arrays of ports */ @@ -490,90 +491,126 @@ struct urb_priv { * we use memory mapped registers. */ -#if !defined(CONFIG_USB_UHCI_SUPPORT_NON_PCI_HC) +#ifndef CONFIG_USB_UHCI_SUPPORT_NON_PCI_HC /* Support PCI only */ -static inline u32 uhci_readl(struct uhci_hcd *uhci, int reg) +static inline u32 uhci_readl(const struct uhci_hcd *uhci, int reg) { return inl(uhci->io_addr + reg); } -static inline void uhci_writel(struct uhci_hcd *uhci, u32 val, int reg) +static inline void uhci_writel(const struct uhci_hcd *uhci, u32 val, int reg) { outl(val, uhci->io_addr + reg); } -static inline u16 uhci_readw(struct uhci_hcd *uhci, int reg) +static inline u16 uhci_readw(const struct uhci_hcd *uhci, int reg) { return inw(uhci->io_addr + reg); } -static inline void uhci_writew(struct uhci_hcd *uhci, u16 val, int reg) +static inline void uhci_writew(const struct uhci_hcd *uhci, u16 val, int reg) { outw(val, uhci->io_addr + reg); } -static inline u8 uhci_readb(struct uhci_hcd *uhci, int reg) +static inline u8 uhci_readb(const struct uhci_hcd *uhci, int reg) { return inb(uhci->io_addr + reg); } -static inline void uhci_writeb(struct uhci_hcd *uhci, u8 val, int reg) +static inline void uhci_writeb(const struct uhci_hcd *uhci, u8 val, int reg) { outb(val, uhci->io_addr + reg); } #else +/* Support non-PCI host controllers */ +#ifdef CONFIG_PCI /* Support PCI and non-PCI host controllers */ - #define uhci_has_pci_registers(u) ((u)->io_addr != 0) +#else +/* Support non-PCI host controllers only */ +#define uhci_has_pci_registers(u) 0 +#endif + +#ifdef CONFIG_USB_UHCI_BIG_ENDIAN_MMIO +/* Support (non-PCI) big endian host controllers */ +#define uhci_big_endian_mmio(u) ((u)->big_endian_mmio) +#else +#define uhci_big_endian_mmio(u) 0 +#endif -static inline u32 uhci_readl(struct uhci_hcd *uhci, int reg) +static inline u32 uhci_readl(const struct uhci_hcd *uhci, int reg) { if (uhci_has_pci_registers(uhci)) return inl(uhci->io_addr + reg); +#ifdef CONFIG_USB_UHCI_BIG_ENDIAN_MMIO + else if (uhci_big_endian_mmio(uhci)) + return readl_be(uhci->regs + reg); +#endif else return readl(uhci->regs + reg); } -static inline void uhci_writel(struct uhci_hcd *uhci, u32 val, int reg) +static inline void uhci_writel(const struct uhci_hcd *uhci, u32 val, int reg) { if (uhci_has_pci_registers(uhci)) outl(val, uhci->io_addr + reg); +#ifdef CONFIG_USB_UHCI_BIG_ENDIAN_MMIO + else if (uhci_big_endian_mmio(uhci)) + writel_be(val, uhci->regs + reg); +#endif else writel(val, uhci->regs + reg); } -static inline u16 uhci_readw(struct uhci_hcd *uhci, int reg) +static inline u16 uhci_readw(const struct uhci_hcd *uhci, int reg) { if (uhci_has_pci_registers(uhci)) return inw(uhci->io_addr + reg); +#ifdef CONFIG_USB_UHCI_BIG_ENDIAN_MMIO + else if (uhci_big_endian_mmio(uhci)) + return readw_be(uhci->regs + reg); +#endif else return readw(uhci->regs + reg); } -static inline void uhci_writew(struct uhci_hcd *uhci, u16 val, int reg) +static inline void uhci_writew(const struct uhci_hcd *uhci, u16 val, int reg) { if (uhci_has_pci_registers(uhci)) outw(val, uhci->io_addr + reg); +#ifdef CONFIG_USB_UHCI_BIG_ENDIAN_MMIO + else if (uhci_big_endian_mmio(uhci)) + writew_be(val, uhci->regs + reg); +#endif else writew(val, uhci->regs + reg); } -static inline u8 uhci_readb(struct uhci_hcd *uhci, int reg) +static inline u8 uhci_readb(const struct uhci_hcd *uhci, int reg) { if (uhci_has_pci_registers(uhci)) return inb(uhci->io_addr + reg); +#ifdef CONFIG_USB_UHCI_BIG_ENDIAN_MMIO + else if (uhci_big_endian_mmio(uhci)) + return readb_be(uhci->regs + reg); +#endif else return readb(uhci->regs + reg); } -static inline void uhci_writeb(struct uhci_hcd *uhci, u8 val, int reg) +static inline void uhci_writeb(const struct uhci_hcd *uhci, u8 val, int reg) { if (uhci_has_pci_registers(uhci)) outb(val, uhci->io_addr + reg); +#ifdef CONFIG_USB_UHCI_BIG_ENDIAN_MMIO + else if (uhci_big_endian_mmio(uhci)) + writeb_be(val, uhci->regs + reg); +#endif else writeb(val, uhci->regs + reg); } -#endif /* !defined(CONFIG_USB_UHCI_SUPPORT_NON_PCI_HC) */ +#endif /* CONFIG_USB_UHCI_SUPPORT_NON_PCI_HC */ #endif |