sys/dev/ic/sl811hsvar.h

   1 /*      $NetBSD: sl811hsvar.h,v 1.5 2008/04/08 12:07:27 cegger Exp $    */
   2
   3 /*
   4  * Not (c) 2007 Matthew Orgass
   5  * This file is public domain, meaning anyone can make any use of part or all
   6  * of this file including copying into other works without credit.  Any use,
   7  * modified or not, is solely the responsibility of the user.  If this file is
   8  * part of a collection then use in the collection is governed by the terms of
   9  * the collection.
  10  */
  11
  12 /*
  13  * Cypress/ScanLogic SL811HS USB Host Controller
  14  */
  15
  16 #include <sys/gcq.h>
  17 #include <sys/simplelock.h>
  18 #include "opt_slhci.h"
  19
  20 #define SC_DEV(sc)      ((sc)->sc_dev)
  21 #define SC_NAME(sc)     (device_xname(SC_DEV(sc)))
  22
  23 typedef unsigned int Frame;
  24 struct slhci_pipe;
  25
  26 /* Generally transfer related items. */
  27 struct slhci_transfers {
  28         struct usbd_xfer *rootintr;
  29         struct slhci_pipe *spipe[2];    /* current transfer (unless canceled) */
  30         struct gcq_head q[3];           /* transfer queues, Q_* index */
  31         struct gcq_head timed;          /* intr transfer multi-frame wait */
  32         struct gcq_head to;             /* timeout list */
  33         struct gcq_head ap;             /* all pipes */
  34         Frame frame;                    /* current frame */
  35         unsigned int flags;             /* F_* flags */
  36         int pend;                       /* pending for waitintr */
  37         int reserved_bustime;
  38         int16_t len[2];                 /* length of transfer or -1 if none */
  39         uint8_t current_tregs[2][4];    /* ab, ADR, LEN, PID, DEV */
  40         uint8_t copyin[2];              /* copyin ADR, LEN */
  41         uint8_t rootaddr;               /* device address of root hub */
  42         uint8_t rootconf;               /* root configuration */
  43         uint8_t max_current;            /* max current / 2 */
  44         uint8_t sltype;                 /* revision */
  45 };
  46
  47 enum power_change {
  48         POWER_OFF,
  49         POWER_ON,
  50 };
  51
  52 typedef void (*PowerFunc)(void *, enum power_change);
  53
  54 /* Attachment code must call slhci_preinit before registering the ISR */
  55 struct slhci_softc {
  56         device_t                sc_dev;
  57         struct usbd_bus         sc_bus;
  58
  59         struct simplelock       sc_lock;
  60         struct simplelock       sc_wait_lock;
  61
  62         struct slhci_transfers  sc_transfers;   /* Info useful in transfers. */
  63
  64         struct gcq_head         sc_waitq;
  65
  66         bus_space_tag_t         sc_iot;
  67         bus_space_handle_t      sc_ioh;
  68
  69         struct callout          sc_timer;       /* for reset */
  70
  71         PowerFunc               sc_enable_power;
  72
  73         struct device           *sc_child;
  74
  75         struct timeval          sc_reserved_warn_rate;
  76         struct timeval          sc_overflow_warn_rate;
  77
  78         void                    *sc_cb_softintr;
  79
  80         unsigned int            sc_ier_check;
  81
  82         int                     sc_mem_use; /* XXX SLHCI_MEM_ACCOUNTING */
  83
  84         uint8_t                 sc_ier;         /* enabled interrupts */
  85         uint8_t                 sc_stride;      /* port stride */
  86 };
  87
  88 /* last preinit arguments are: max current (in mA, not mA/2), port stride */
  89 /* register access uses byte access, but stride offsets the data port */
  90 int  slhci_supported_rev(uint8_t);
  91 void slhci_preinit(struct slhci_softc *, PowerFunc, bus_space_tag_t,
  92     bus_space_handle_t, uint16_t, uint8_t);
  93 int  slhci_attach(struct slhci_softc *);
  94 int  slhci_detach(struct slhci_softc *, int);
  95 int  slhci_activate(device_t, enum devact);
  96 int  slhci_intr(void *);
  97