ref: ac3147a9c58f339f9b978ab087464912c16bc8f8
dir: /sys/src/9/teg2/usbehci.h/
/* 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 Eopio;
#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[3]; /* 44 Port status and control, one per port */
/* defined for omap35 ehci at least */
uchar _pad0[0x80 - 0x50];
ulong insn[6]; /* implementation-specific */
};
typedef struct Uhh Uhh;
struct Uhh {
ulong revision; /* ro */
uchar _pad0[0x10-0x4];
ulong sysconfig;
ulong sysstatus; /* ro */
uchar _pad1[0x40-0x18];
ulong hostconfig;
ulong debug_csr;
};
enum {
/* hostconfig bits */
P1ulpi_bypass = 1<<0, /* utmi if set; else ulpi */
};
extern Ecapio *ehcidebugcapio;
extern int ehcidebugport;
extern int ehcidebug;
void ehcilinkage(Hci *hp);
void ehcimeminit(Ctlr *ctlr);
void ehcirun(Ctlr *ctlr, int on);