FreeBSD/Linux Kernel Cross Reference
sys/pccard/slot.h

     /*
      *      Slot structures for PC-CARD interface.
      *      Each slot has a controller specific structure
      *      attached to it. A slot number allows
      *      mapping from the character device to the
      *      slot structure. This is separate to the
      *      controller slot number to allow multiple controllers
      *      to be accessed.
      *-------------------------------------------------------------------------
     */
    
    /*-
     * Copyright (c) 1995 Andrew McRae.  All rights reserved.
     *
     * 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. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
     *
     * $FreeBSD: releng/6.3/sys/pccard/slot.h 139825 2005-01-07 02:29:27Z imp $
     */
    
    #ifndef _PCCARD_SLOT_H
    #define _PCCARD_SLOT_H
    
    /*
     * Normally we shouldn't include stuff here, but we're trying to be
     * compatible with the long, dark hand of the past.
     */
    #include <sys/param.h>
    #include <sys/bus.h>
    #include <machine/bus.h>
    #include <sys/rman.h>
    #include <machine/resource.h>
    #if __FreeBSD_version >= 500000
    #include <sys/selinfo.h>
    #else
    #include <sys/select.h>
    #endif
    
    /*
     *      Controller data - Specific to each slot controller.
     */
    struct slot;
    struct slot_ctrl {
            void    (*mapirq)(struct slot *, int);
                                    /* Map irq */
            int     (*mapmem)(struct slot *, int);
                                    /* Map memory */
            int     (*mapio)(struct slot *, int);
                                    /* Map io */
            void    (*reset)(void *);
                                    /* init */
            void    (*disable)(struct slot *);
                                    /* Disable slot */
            int     (*power)(struct slot *);
                                    /* Set power values */
            int     (*ioctl)(struct slot *, int, caddr_t);
                                    /* ioctl to lower level */
            void    (*resume)(struct slot *);
                                    /* suspend/resume support */
            int     maxmem;         /* Number of allowed memory windows */
            int     maxio;          /* Number of allowed I/O windows */
    };
    
    /*
     *      Device structure for cards. Each card may have one
     *      or more pccard drivers attached to it; each driver is assumed
     *      to require at most one interrupt handler, one I/O block
     *      and one memory block. This structure is used to link the different
     *      devices together.
     */
    struct pccard_devinfo {
            uint8_t         name[128];
            int             running;        /* Current state of driver */
            uint8_t         misc[DEV_MISC_LEN]; /* For any random info */
            uint8_t         manufstr[DEV_MAX_CIS_LEN];
            uint8_t         versstr[DEV_MAX_CIS_LEN];
            uint8_t         cis3str[DEV_MAX_CIS_LEN];
            uint8_t         cis4str[DEV_MAX_CIS_LEN];
            uint32_t        manufacturer;   /* Manufacturer ID */
            uint32_t        product;        /* Product ID */
           uint32_t        prodext;        /* Product ID (extended) */
           struct slot     *slt;           /* Back pointer to slot */
           struct resource_list resources;
   };
   
   /*
    *      Per-slot structure.
    */
   struct slot {
           int slotnum;                    /* Slot number */
           int flags;                      /* Slot flags (see below) */
           int rwmem;                      /* Read/write flags */
           int irq;                        /* IRQ allocated (0 = none) */
   
           /*
            *      flags.
            */
           unsigned int    insert_seq;     /* Firing up under the card */
           struct callout_handle insert_ch;/* Insert event timeout handle */
           struct callout_handle poff_ch;  /* Power Off timeout handle */
   
           enum cardstate  state, laststate; /* Current/last card states */
           struct selinfo  selp;           /* Info for select */
           struct mem_desc mem[NUM_MEM_WINDOWS];   /* Memory windows */
           struct io_desc  io[NUM_IO_WINDOWS];     /* I/O windows */
           struct power    pwr;            /* Power values */
           struct slot_ctrl *ctrl;         /* Per-controller data */
           void            *cdata;         /* Controller specific data */
           int             pwr_off_pending;/* Power status of slot */
           device_t        dev;            /* Config system device. */
           struct cdev *d;         /* fs device */
   };
   
   #define PCCARD_DEVICE2SOFTC(d)  ((struct slot *) device_get_softc(d))
   #define PCCARD_DEV2SOFTC(d)     ((struct slot *) (d)->si_drv1)
   
   enum card_event { card_removed, card_inserted, card_deactivated };
   
   struct slot     *pccard_init_slot(device_t, struct slot_ctrl *);
   void             pccard_event(struct slot *, enum card_event);
   int              pccard_suspend(device_t);
   int              pccard_resume(device_t);
   
   #endif /* !_PCCARD_SLOT_H */

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