Subversion Repositories planix.SVN

/* override default macros from ../port/usb.h */
#undef  dprint
#undef  ddprint
#undef  deprint
#undef  ddeprint
#define dprint          if(ehcidebug)print
#define ddprint         if(ehcidebug>1)print
#define deprint         if(ehcidebug || ep->debug)print
#define ddeprint        if(ehcidebug>1 || ep->debug>1)print

typedef struct Ctlr Ctlr;
typedef struct Eopio Eopio;
typedef struct Isoio Isoio;
typedef struct Poll Poll;
typedef struct Qh Qh;
typedef struct Qtree Qtree;

#pragma incomplete Ctlr;
#pragma incomplete Ecapio;
#pragma incomplete Eopio;
#pragma incomplete Edbgio;
#pragma incomplete Isoio;
#pragma incomplete Poll;
#pragma incomplete Qh;
#pragma incomplete Qtree;

struct Poll
{
        Lock;
        Rendez;
        int     must;
        int     does;
};

struct Ctlr
{
        Rendez;                 /* for waiting to async advance doorbell */
        Lock;                   /* for ilock. qh lists and basic ctlr I/O */
        QLock   portlck;        /* for port resets/enable... (and doorbell) */
        int     active;         /* in use or not */
        Ecapio* capio;          /* Capability i/o regs */
        Eopio*  opio;           /* Operational i/o regs */

        int     nframes;        /* 1024, 512, or 256 frames in the list */
        ulong*  frames;         /* periodic frame list (hw) */
        Qh*     qhs;            /* async Qh circular list for bulk/ctl */
        Qtree*  tree;           /* tree of Qhs for the periodic list */
        int     ntree;          /* number of dummy qhs in tree */
        Qh*     intrqhs;                /* list of (not dummy) qhs in tree  */
        Isoio*  iso;            /* list of active Iso I/O */
        ulong   load;
        ulong   isoload;
        int     nintr;          /* number of interrupts attended */
        int     ntdintr;        /* number of intrs. with something to do */
        int     nqhintr;        /* number of async td intrs. */
        int     nisointr;       /* number of periodic td intrs. */
        int     nreqs;
        Poll    poll;
};

/*
 * Operational registers (hw)
 */
struct Eopio
{
        ulong   cmd;            /* 00 command */
        ulong   sts;            /* 04 status */
        ulong   intr;           /* 08 interrupt enable */
        ulong   frno;           /* 0c frame index */
        ulong   seg;            /* 10 bits 63:32 of EHCI datastructs (unused) */
        ulong   frbase;         /* 14 frame list base addr, 4096-byte boundary */
        ulong   link;           /* 18 link for async list */
        uchar   d2c[0x40-0x1c]; /* 1c dummy */
        ulong   config;         /* 40 1: all ports default-routed to this HC */
        ulong   portsc[1];      /* 44 Port status and control, one per port */

        /*
         * these are present on the Kirkwood USB controller.
         * are they standard now?  Marvell doesn't document them publically.
         */
        uchar   _pad0[0x64-0x48];
        ulong   otgsc;
        ulong   usbmode;
        ulong   epsetupsts;
        ulong   epprime;
        ulong   epflush;
        ulong   epsts;
        ulong   epcompl;
        ulong   epctl[6];

        /* freescale registers */
        uchar   _pad1[0x2c0-0x98];
        ulong   snoop1;
        ulong   snoop2;
        ulong   agecntthresh;
        ulong   prictl;         /* priority control */
        ulong   sictl;          /* system interface control */

        uchar   _pad2[0x3c0-0x2d4];
        ulong   ctl;
};

extern int ehcidebug;

void    ehcilinkage(Hci *hp);
void    ehcimeminit(Ctlr *ctlr);
void    ehcirun(Ctlr *ctlr, int on);