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

     /* $NetBSD: pckbcvar.h,v 1.22 2021/12/07 19:45:05 skrll Exp $ */
     
     /*
      * Copyright (c) 1998
      *      Matthias Drochner.  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.
     *
     * 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.
     *
     */
    
    #ifndef _DEV_IC_PCKBCVAR_H_
    #define _DEV_IC_PCKBCVAR_H_
    
    #include <sys/callout.h>
    #include <sys/pmf.h>
    
    #include <dev/pckbport/pckbportvar.h>
    
    typedef void *pckbc_tag_t;
    typedef int pckbc_slot_t;
    #define PCKBC_KBD_SLOT  0
    #define PCKBC_AUX_SLOT  1
    #define PCKBC_NSLOTS    2
    
    /* Simple cmd/slot ringbuffer structure */
    struct pckbc_rbuf_item {
            int data;
            int slot;
    };
    
    #define PCKBC_RBUF_SIZE 32      /* number of rbuf entries */
    
    /*
     * external representation (pckbc_tag_t),
     * needed early for console operation
     */
    struct pckbc_internal {
            pckbport_tag_t t_pt;
            bus_space_tag_t t_iot;
            bus_space_handle_t t_ioh_d, t_ioh_c; /* data port, cmd port */
            bus_addr_t t_addr;
            u_char t_cmdbyte; /* shadow */
            int t_flags;
    #define PCKBC_CANT_TRANSLATE    0x0001  /* can't translate to XT scancodes */
    #define PCKBC_NEED_AUXWRITE     0x0002  /* need auxwrite command to find aux */
    
            int t_haveaux; /* controller has an aux port */
            struct pckbc_slotdata *t_slotdata[PCKBC_NSLOTS];
    
            struct pckbc_softc *t_sc; /* back pointer */
    
            struct callout t_cleanup;
    
            struct pckbc_rbuf_item rbuf[PCKBC_RBUF_SIZE];
            int rbuf_read;
            int rbuf_write;
    };
    
    typedef void (*pckbc_inputfcn)(void *, int);
    
    /*
     * State per device.
     */
    struct pckbc_softc {
            device_t sc_dv;
            struct pckbc_internal *id;
    
            void (*intr_establish)(struct pckbc_softc *, pckbc_slot_t);
    };
    
    extern const char * const pckbc_slot_names[];
    extern struct pckbc_internal pckbc_consdata;
    extern int pckbc_console_attached;
    
    /* These functions are sometimes called by match routines */
    int pckbc_send_cmd(bus_space_tag_t, bus_space_handle_t, u_char);
    int pckbc_poll_data1(void *, pckbc_slot_t);
    
    /* More normal calls from attach routines */
    void pckbc_attach(struct pckbc_softc *);
    int pckbc_cnattach(bus_space_tag_t, bus_addr_t, bus_size_t, pckbc_slot_t, int);
   int pckbc_is_console(bus_space_tag_t, bus_addr_t);
   int pckbcintr(void *);
   int pckbcintr_hard(void *);
   void pckbcintr_soft(void *);
   
   /* md hook for use without mi wscons */
   int pckbc_machdep_cnattach(pckbc_tag_t, pckbc_slot_t);
   
   /* power management */
   bool pckbc_resume(device_t, const pmf_qual_t *);
   
   #endif /* _DEV_IC_PCKBCVAR_H_ */

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