The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/sl811hsvar.h

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    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(struct device *, enum devact);
   96 int  slhci_intr(void *);
   97 

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