X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fohci.h;h=dc544ddc784962831637e749c4d50420ee24aa0b;hb=038eb0ea04b245351be34b0ae76b55eee4603989;hp=c2b5ecfe5e9fa8ca88b33a28b792dd15e3a43fb8;hpb=9468482bd4c3b89abe04a770848d5eaa1ea830b0;p=linux-2.6-omap-h63xx.git diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h index c2b5ecfe5e9..dc544ddc784 100644 --- a/drivers/usb/host/ohci.h +++ b/drivers/usb/host/ohci.h @@ -397,10 +397,46 @@ struct ohci_hcd { #define OHCI_QUIRK_BE_DESC 0x08 /* BE descriptors */ #define OHCI_QUIRK_BE_MMIO 0x10 /* BE registers */ #define OHCI_QUIRK_ZFMICRO 0x20 /* Compaq ZFMicro chipset*/ +#define OHCI_QUIRK_NEC 0x40 /* lost interrupts */ +#define OHCI_QUIRK_FRAME_NO 0x80 /* no big endian frame_no shift */ // there are also chip quirks/bugs in init logic + struct work_struct nec_work; /* Worker for NEC quirk */ + + /* Needed for ZF Micro quirk */ + struct timer_list unlink_watchdog; + unsigned eds_scheduled; + struct ed *ed_to_check; + unsigned zf_delay; + +#ifdef DEBUG + struct dentry *debug_dir; + struct dentry *debug_async; + struct dentry *debug_periodic; + struct dentry *debug_registers; +#endif }; +#ifdef CONFIG_PCI +static inline int quirk_nec(struct ohci_hcd *ohci) +{ + return ohci->flags & OHCI_QUIRK_NEC; +} +static inline int quirk_zfmicro(struct ohci_hcd *ohci) +{ + return ohci->flags & OHCI_QUIRK_ZFMICRO; +} +#else +static inline int quirk_nec(struct ohci_hcd *ohci) +{ + return 0; +} +static inline int quirk_zfmicro(struct ohci_hcd *ohci) +{ + return 0; +} +#endif + /* convert between an hcd pointer and the corresponding ohci_hcd */ static inline struct ohci_hcd *hcd_to_ohci (struct usb_hcd *hcd) { @@ -605,15 +641,12 @@ static inline u32 hc32_to_cpup (const struct ohci_hcd *ohci, const __hc32 *x) /* HCCA frame number is 16 bits, but is accessed as 32 bits since not all * hardware handles 16 bit reads. That creates a different confusion on * some big-endian SOC implementations. Same thing happens with PSW access. - * - * FIXME: Deal with that as a runtime quirk when STB03xxx is ported over - * to arch/powerpc */ -#ifdef CONFIG_STB03xxx -#define OHCI_BE_FRAME_NO_SHIFT 16 +#ifdef CONFIG_PPC_MPC52xx +#define big_endian_frame_no_quirk(ohci) (ohci->flags & OHCI_QUIRK_FRAME_NO) #else -#define OHCI_BE_FRAME_NO_SHIFT 0 +#define big_endian_frame_no_quirk(ohci) 0 #endif static inline u16 ohci_frame_no(const struct ohci_hcd *ohci) @@ -621,7 +654,8 @@ static inline u16 ohci_frame_no(const struct ohci_hcd *ohci) u32 tmp; if (big_endian_desc(ohci)) { tmp = be32_to_cpup((__force __be32 *)&ohci->hcca->frame_no); - tmp >>= OHCI_BE_FRAME_NO_SHIFT; + if (!big_endian_frame_no_quirk(ohci)) + tmp >>= 16; } else tmp = le32_to_cpup((__force __le32 *)&ohci->hcca->frame_no);