FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/ehcivar.h

     /*      $NetBSD: ehcivar.h,v 1.12 2001/12/31 12:16:57 augustss Exp $    */
     
     /*
      * Copyright (c) 2001 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Lennart Augustsson (lennart@augustsson.net).
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    typedef struct ehci_soft_qtd {
            ehci_qtd_t qtd;
            struct ehci_soft_qtd *nextqtd; /* mirrors nextqtd in TD */
            ehci_physaddr_t physaddr;
            usbd_xfer_handle xfer;
            LIST_ENTRY(ehci_soft_qtd) hnext;
            u_int16_t len;
    } ehci_soft_qtd_t;
    #define EHCI_SQTD_SIZE ((sizeof (struct ehci_soft_qtd) + EHCI_QTD_ALIGN - 1) / EHCI_QTD_ALIGN * EHCI_QTD_ALIGN)
    #define EHCI_SQTD_CHUNK (EHCI_PAGE_SIZE / EHCI_SQTD_SIZE)
    
    typedef struct ehci_soft_qh {
            ehci_qh_t qh;
            struct ehci_soft_qh *next;
            struct ehci_soft_qtd *sqtd;
            ehci_physaddr_t physaddr;
    } ehci_soft_qh_t;
    #define EHCI_SQH_SIZE ((sizeof (struct ehci_soft_qh) + EHCI_QH_ALIGN - 1) / EHCI_QH_ALIGN * EHCI_QH_ALIGN)
    #define EHCI_SQH_CHUNK (EHCI_PAGE_SIZE / EHCI_SQH_SIZE)
    
    struct ehci_xfer {
            struct usbd_xfer xfer;
            struct usb_task abort_task;
            LIST_ENTRY(ehci_xfer) inext; /* list of active xfers */
            ehci_soft_qtd_t *sqtdstart;
            ehci_soft_qtd_t *sqtdend;
    #ifdef DIAGNOSTIC
            int isdone;
    #endif
    };
    #define EXFER(xfer) ((struct ehci_xfer *)(xfer))
    
    
    #define EHCI_HASH_SIZE 128
    #define EHCI_COMPANION_MAX 8
    
    typedef struct ehci_softc {
            struct usbd_bus sc_bus;         /* base device */
            bus_space_tag_t iot;
            bus_space_handle_t ioh;
            bus_size_t sc_size;
            u_int sc_offs;                  /* offset to operational regs */
    
            char sc_vendor[16];             /* vendor string for root hub */
            int sc_id_vendor;               /* vendor ID for root hub */
    
            void *sc_powerhook;             /* cookie from power hook */
            void *sc_shutdownhook;          /* cookie from shutdown hook */
    
            u_int sc_ncomp;
            u_int sc_npcomp;
            struct usbd_bus *sc_comps[EHCI_COMPANION_MAX];
    
            usb_dma_t sc_fldma;
            u_int sc_flsize;
    
            LIST_HEAD(, ehci_xfer) sc_intrhead;
    
            ehci_soft_qh_t *sc_freeqhs;
            ehci_soft_qtd_t *sc_freeqtds;
    
           int sc_noport;
           u_int8_t sc_addr;               /* device address */
           u_int8_t sc_conf;               /* device configuration */
           usbd_xfer_handle sc_intrxfer;
           char sc_isreset;
           char sc_softwake;
   
           u_int32_t sc_eintrs;
           ehci_soft_qh_t *sc_async_head;
   
           SIMPLEQ_HEAD(, usbd_xfer) sc_free_xfers; /* free xfers */
   
           struct lock sc_doorbell_lock;
   
           usb_callout_t sc_tmo_pcd;
   
           device_ptr_t sc_child;          /* /dev/usb# device */
   
           char sc_dying;
   } ehci_softc_t;
   
   #define EREAD1(sc, a) bus_space_read_1((sc)->iot, (sc)->ioh, (a))
   #define EREAD2(sc, a) bus_space_read_2((sc)->iot, (sc)->ioh, (a))
   #define EREAD4(sc, a) bus_space_read_4((sc)->iot, (sc)->ioh, (a))
   #define EWRITE1(sc, a, x) bus_space_write_1((sc)->iot, (sc)->ioh, (a), (x))
   #define EWRITE2(sc, a, x) bus_space_write_2((sc)->iot, (sc)->ioh, (a), (x))
   #define EWRITE4(sc, a, x) bus_space_write_4((sc)->iot, (sc)->ioh, (a), (x))
   #define EOREAD1(sc, a) bus_space_read_1((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a))
   #define EOREAD2(sc, a) bus_space_read_2((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a))
   #define EOREAD4(sc, a) bus_space_read_4((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a))
   #define EOWRITE1(sc, a, x) bus_space_write_1((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a), (x))
   #define EOWRITE2(sc, a, x) bus_space_write_2((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a), (x))
   #define EOWRITE4(sc, a, x) bus_space_write_4((sc)->iot, (sc)->ioh, (sc)->sc_offs+(a), (x))
   
   usbd_status     ehci_init(ehci_softc_t *);
   int             ehci_intr(void *);
   int             ehci_detach(ehci_softc_t *, int);
   int             ehci_activate(device_ptr_t, enum devact);

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