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/* override default macros from ../port/usb.h */
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#undef dprint
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#undef ddprint
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#undef deprint
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#undef ddeprint
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#define dprint if(ehcidebug)print
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#define ddprint if(ehcidebug>1)print
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#define deprint if(ehcidebug || ep->debug)print
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#define ddeprint if(ehcidebug>1 || ep->debug>1)print
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typedef struct Ctlr Ctlr;
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typedef struct Eopio Eopio;
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typedef struct Isoio Isoio;
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typedef struct Poll Poll;
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typedef struct Qh Qh;
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typedef struct Qtree Qtree;
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#pragma incomplete Ctlr;
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#pragma incomplete Ecapio;
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#pragma incomplete Eopio;
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#pragma incomplete Edbgio;
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#pragma incomplete Isoio;
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#pragma incomplete Poll;
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#pragma incomplete Qh;
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#pragma incomplete Qtree;
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struct Poll
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{
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Lock;
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Rendez;
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int must;
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int does;
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};
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struct Ctlr
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{
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Rendez; /* for waiting to async advance doorbell */
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Lock; /* for ilock. qh lists and basic ctlr I/O */
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QLock portlck; /* for port resets/enable... (and doorbell) */
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int active; /* in use or not */
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Ecapio* capio; /* Capability i/o regs */
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Eopio* opio; /* Operational i/o regs */
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int nframes; /* 1024, 512, or 256 frames in the list */
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ulong* frames; /* periodic frame list (hw) */
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Qh* qhs; /* async Qh circular list for bulk/ctl */
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Qtree* tree; /* tree of Qhs for the periodic list */
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int ntree; /* number of dummy qhs in tree */
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Qh* intrqhs; /* list of (not dummy) qhs in tree */
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Isoio* iso; /* list of active Iso I/O */
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ulong load;
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ulong isoload;
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int nintr; /* number of interrupts attended */
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int ntdintr; /* number of intrs. with something to do */
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int nqhintr; /* number of async td intrs. */
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int nisointr; /* number of periodic td intrs. */
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int nreqs;
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Poll poll;
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};
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/*
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* Operational registers (hw)
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*/
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struct Eopio
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{
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ulong cmd; /* 00 command */
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ulong sts; /* 04 status */
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ulong intr; /* 08 interrupt enable */
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ulong frno; /* 0c frame index */
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ulong seg; /* 10 bits 63:32 of EHCI datastructs (unused) */
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ulong frbase; /* 14 frame list base addr, 4096-byte boundary */
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ulong link; /* 18 link for async list */
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uchar d2c[0x40-0x1c]; /* 1c dummy */
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ulong config; /* 40 1: all ports default-routed to this HC */
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ulong portsc[1]; /* 44 Port status and control, one per port */
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/*
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* these are present on the Kirkwood USB controller.
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* are they standard now? Marvell doesn't document them publically.
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*/
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uchar _pad0[0x64-0x48];
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ulong otgsc;
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ulong usbmode;
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ulong epsetupsts;
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ulong epprime;
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ulong epflush;
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ulong epsts;
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ulong epcompl;
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ulong epctl[6];
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/* freescale registers */
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uchar _pad1[0x2c0-0x98];
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ulong snoop1;
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ulong snoop2;
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ulong agecntthresh;
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ulong prictl; /* priority control */
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ulong sictl; /* system interface control */
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uchar _pad2[0x3c0-0x2d4];
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ulong ctl;
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};
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102 |
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103 |
extern int ehcidebug;
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104 |
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void ehcilinkage(Hci *hp);
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void ehcimeminit(Ctlr *ctlr);
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void ehcirun(Ctlr *ctlr, int on);
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