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pckbcvar.h revision 1.18 
      1 /* $NetBSD: pckbcvar.h,v 1.18 2010/11/14 03:22:01 uebayasi Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1998
      5  *	Matthias Drochner.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  *
     27  */
     28 
     29 #ifndef _DEV_IC_PCKBCVAR_H_
     30 #define _DEV_IC_PCKBCVAR_H_
     31 
     32 #include <sys/callout.h>
     33 #include <sys/pmf.h>
     34 
     35 #include <dev/pckbport/pckbportvar.h>
     36 
     37 #include "rnd.h"
     38 #if NRND > 0
     39 #include <sys/rnd.h>
     40 #endif
     41 
     42 typedef void *pckbc_tag_t;
     43 typedef int pckbc_slot_t;
     44 #define	PCKBC_KBD_SLOT	0
     45 #define	PCKBC_AUX_SLOT	1
     46 #define	PCKBC_NSLOTS	2
     47 
     48 /* Simple cmd/slot ringbuffer structure */
     49 struct pckbc_rbuf_item {
     50 	int data;
     51 	int slot;
     52 };
     53 
     54 #define	PCKBC_RBUF_SIZE	32	/* number of rbuf entries */
     55 
     56 /*
     57  * external representation (pckbc_tag_t),
     58  * needed early for console operation
     59  */
     60 struct pckbc_internal {
     61 	pckbport_tag_t t_pt;
     62 	bus_space_tag_t t_iot;
     63 	bus_space_handle_t t_ioh_d, t_ioh_c; /* data port, cmd port */
     64 	bus_addr_t t_addr;
     65 	u_char t_cmdbyte; /* shadow */
     66 
     67 	int t_haveaux; /* controller has an aux port */
     68 	struct pckbc_slotdata *t_slotdata[PCKBC_NSLOTS];
     69 
     70 	struct pckbc_softc *t_sc; /* back pointer */
     71 
     72 	struct callout t_cleanup;
     73 
     74 	struct pckbc_rbuf_item rbuf[PCKBC_RBUF_SIZE];
     75 	int rbuf_read;
     76 	int rbuf_write;
     77 };
     78 
     79 typedef void (*pckbc_inputfcn)(void *, int);
     80 
     81 /*
     82  * State per device.
     83  */
     84 struct pckbc_softc {
     85 	device_t sc_dv;
     86 	struct pckbc_internal *id;
     87 
     88 	void (*intr_establish)(struct pckbc_softc *, pckbc_slot_t);
     89 };
     90 
     91 struct pckbc_attach_args {
     92 	pckbc_tag_t pa_tag;
     93 	pckbc_slot_t pa_slot;
     94 };
     95 
     96 extern const char * const pckbc_slot_names[];
     97 extern struct pckbc_internal pckbc_consdata;
     98 extern int pckbc_console_attached;
     99 
    100 /* These functions are sometimes called by match routines */
    101 int pckbc_send_cmd(bus_space_tag_t, bus_space_handle_t, u_char);
    102 int pckbc_poll_data1(void *, pckbc_slot_t);
    103 
    104 /* More normal calls from attach routines */
    105 void pckbc_attach(struct pckbc_softc *);
    106 int pckbc_cnattach(bus_space_tag_t, bus_addr_t, bus_size_t, pckbc_slot_t);
    107 int pckbc_is_console(bus_space_tag_t, bus_addr_t);
    108 int pckbcintr(void *);
    109 int pckbcintr_hard(void *);
    110 void pckbcintr_soft(void *);
    111 
    112 /* md hook for use without mi wscons */
    113 int pckbc_machdep_cnattach(pckbc_tag_t, pckbc_slot_t);
    114 
    115 /* power management */
    116 bool pckbc_resume(device_t, const pmf_qual_t *);
    117 
    118 #endif /* _DEV_IC_PCKBCVAR_H_ */
    119