3  * OHCI HCD (Host Controller Driver) for USB.
20  * OHCI Endpoint Descriptor (ED) ... holds TD queue
21  * See OHCI spec, section 4.2
75 #define	OKAY_TO_TAKEBACK(ohci, ed)			\  argument
76 		((int) (ohci->wdh_cnt - ed->takeback_wdh_cnt) >= 0)
84  * OHCI Transfer Descriptor (TD) ... one per transfer segment
85  * See OHCI spec, sections 4.3.1 (general = control/bulk/interrupt)
164 /* map OHCI TD status codes (CC) to errno values */
187  * structure defined section 4.4.1 of the OHCI spec. The HC is
195 	 * OHCI defines u16 frame_no, followed by u16 zero pad.
206  * This is the structure of the OHCI controller's memory mapped I/O region.
240 #define MAX_ROOT_PORTS	15	/* maximum OHCI root hub ports (RH_A_NDP) */
249 /* OHCI CONTROL AND STATUS REGISTER MASKS */
296 /* OHCI ROOT HUB REGISTER MASKS */
350  * This is the full ohci controller description
384 	void (*start_hnp)(struct ohci_hcd *ohci);
443 static inline int quirk_nec(struct ohci_hcd *ohci)  in quirk_nec()  argument
445 	return ohci->flags & OHCI_QUIRK_NEC;  in quirk_nec()
447 static inline int quirk_zfmicro(struct ohci_hcd *ohci)  in quirk_zfmicro()  argument
449 	return ohci->flags & OHCI_QUIRK_ZFMICRO;  in quirk_zfmicro()
451 static inline int quirk_amdiso(struct ohci_hcd *ohci)  in quirk_amdiso()  argument
453 	return ohci->flags & OHCI_QUIRK_AMD_PLL;  in quirk_amdiso()
455 static inline int quirk_amdprefetch(struct ohci_hcd *ohci)  in quirk_amdprefetch()  argument
457 	return ohci->flags & OHCI_QUIRK_AMD_PREFETCH;  in quirk_amdprefetch()
460 static inline int quirk_nec(struct ohci_hcd *ohci)  in quirk_nec()  argument
464 static inline int quirk_zfmicro(struct ohci_hcd *ohci)  in quirk_zfmicro()  argument
468 static inline int quirk_amdiso(struct ohci_hcd *ohci)  in quirk_amdiso()  argument
472 static inline int quirk_amdprefetch(struct ohci_hcd *ohci)  in quirk_amdprefetch()  argument
483 static inline struct usb_hcd *ohci_to_hcd (const struct ohci_hcd *ohci)  in ohci_to_hcd()  argument
485 	return container_of ((void *) ohci, struct usb_hcd, hcd_priv);  in ohci_to_hcd()
490 #define ohci_dbg(ohci, fmt, args...) \  argument
491 	dev_dbg (ohci_to_hcd(ohci)->self.controller , fmt , ## args )
492 #define ohci_err(ohci, fmt, args...) \  argument
493 	dev_err (ohci_to_hcd(ohci)->self.controller , fmt , ## args )
494 #define ohci_info(ohci, fmt, args...) \  argument
495 	dev_info (ohci_to_hcd(ohci)->self.controller , fmt , ## args )
496 #define ohci_warn(ohci, fmt, args...) \  argument
497 	dev_warn (ohci_to_hcd(ohci)->self.controller , fmt , ## args )
538 #define big_endian_desc(ohci)	(ohci->flags & OHCI_QUIRK_BE_DESC)  argument
540 #define big_endian_desc(ohci)	1		/* only big endian */  argument
543 #define big_endian_desc(ohci)	0		/* only little endian */  argument
548 #define big_endian_mmio(ohci)	(ohci->flags & OHCI_QUIRK_BE_MMIO)  argument
550 #define big_endian_mmio(ohci)	1		/* only big endian */  argument
553 #define big_endian_mmio(ohci)	0		/* only little endian */  argument
561 static inline unsigned int _ohci_readl (const struct ohci_hcd *ohci,  in _ohci_readl()  argument
565 	return big_endian_mmio(ohci) ?  in _ohci_readl()
573 static inline void _ohci_writel (const struct ohci_hcd *ohci,  in _ohci_writel()  argument
577 	big_endian_mmio(ohci) ?  in _ohci_writel()
591 /* cpu to ohci */
592 static inline __hc16 cpu_to_hc16 (const struct ohci_hcd *ohci, const u16 x)  in cpu_to_hc16()  argument
594 	return big_endian_desc(ohci) ?  in cpu_to_hc16()
599 static inline __hc16 cpu_to_hc16p (const struct ohci_hcd *ohci, const u16 *x)  in cpu_to_hc16p()  argument
601 	return big_endian_desc(ohci) ?  in cpu_to_hc16p()
606 static inline __hc32 cpu_to_hc32 (const struct ohci_hcd *ohci, const u32 x)  in cpu_to_hc32()  argument
608 	return big_endian_desc(ohci) ?  in cpu_to_hc32()
613 static inline __hc32 cpu_to_hc32p (const struct ohci_hcd *ohci, const u32 *x)  in cpu_to_hc32p()  argument
615 	return big_endian_desc(ohci) ?  in cpu_to_hc32p()
620 /* ohci to cpu */
621 static inline u16 hc16_to_cpu (const struct ohci_hcd *ohci, const __hc16 x)  in hc16_to_cpu()  argument
623 	return big_endian_desc(ohci) ?  in hc16_to_cpu()
628 static inline u16 hc16_to_cpup (const struct ohci_hcd *ohci, const __hc16 *x)  in hc16_to_cpup()  argument
630 	return big_endian_desc(ohci) ?  in hc16_to_cpup()
635 static inline u32 hc32_to_cpu (const struct ohci_hcd *ohci, const __hc32 x)  in hc32_to_cpu()  argument
637 	return big_endian_desc(ohci) ?  in hc32_to_cpu()
642 static inline u32 hc32_to_cpup (const struct ohci_hcd *ohci, const __hc32 *x)  in hc32_to_cpup()  argument
644 	return big_endian_desc(ohci) ?  in hc32_to_cpup()
661 static inline u16 ohci_frame_no(const struct ohci_hcd *ohci)  in ohci_frame_no()  argument
664 	if (big_endian_desc(ohci)) {  in ohci_frame_no()
665 		tmp = be32_to_cpup((__force __be32 *)&ohci->hcca->frame_no);  in ohci_frame_no()
666 		if (!(ohci->flags & OHCI_QUIRK_FRAME_NO))  in ohci_frame_no()
669 		tmp = le32_to_cpup((__force __le32 *)&ohci->hcca->frame_no);  in ohci_frame_no()
674 static inline __hc16 *ohci_hwPSWp(const struct ohci_hcd *ohci,  in ohci_hwPSWp()  argument
677 	return (__hc16 *)(big_endian_desc(ohci) ?  in ohci_hwPSWp()
681 static inline u16 ohci_hwPSW(const struct ohci_hcd *ohci,  in ohci_hwPSW()  argument
684 	return hc16_to_cpup(ohci, ohci_hwPSWp(ohci, td, index));  in ohci_hwPSW()
694 static inline void periodic_reinit (struct ohci_hcd *ohci)  in periodic_reinit()  argument
696 	u32	fi = ohci->fminterval & 0x03fff;  in periodic_reinit()
697 	u32	fit = ohci_readl(ohci, &ohci->regs->fminterval) & FIT;  in periodic_reinit()
699 	ohci_writel (ohci, (fit ^ FIT) | ohci->fminterval,  in periodic_reinit()
700 						&ohci->regs->fminterval);  in periodic_reinit()
701 	ohci_writel (ohci, ((9 * fi) / 10) & 0x3fff,  in periodic_reinit()
702 						&ohci->regs->periodicstart);  in periodic_reinit()
727 /* Declarations of things exported for use by ohci platform drivers */
737 extern int	ohci_restart(struct ohci_hcd *ohci);