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pckbcvar.h revision 1.7 
      1 /* $NetBSD: pckbcvar.h,v 1.7 2003/12/12 14:30:16 martin 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  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed for the NetBSD Project
     18  *	by Matthias Drochner.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  *
     33  */
     34 
     35 #ifndef _DEV_IC_PCKBCVAR_H_
     36 #define _DEV_IC_PCKBCVAR_H_
     37 
     38 #include <sys/callout.h>
     39 
     40 typedef void *pckbc_tag_t;
     41 typedef int pckbc_slot_t;
     42 #define	PCKBC_KBD_SLOT	0
     43 #define	PCKBC_AUX_SLOT	1
     44 #define	PCKBC_NSLOTS	2
     45 
     46 /* Simple cmd/slot ringbuffer structure */
     47 struct pckbc_rbuf_item {
     48 	int data;
     49 	int slot;
     50 };
     51 
     52 #define	PCKBC_RBUF_SIZE	32	/* number of rbuf entries */
     53 
     54 /*
     55  * external representation (pckbc_tag_t),
     56  * needed early for console operation
     57  */
     58 struct pckbc_internal {
     59 	bus_space_tag_t t_iot;
     60 	bus_space_handle_t t_ioh_d, t_ioh_c; /* data port, cmd port */
     61 	bus_addr_t t_addr;
     62 	u_char t_cmdbyte; /* shadow */
     63 
     64 	int t_haveaux; /* controller has an aux port */
     65 	struct pckbc_slotdata *t_slotdata[PCKBC_NSLOTS];
     66 
     67 	struct pckbc_softc *t_sc; /* back pointer */
     68 
     69 	struct callout t_cleanup;
     70 
     71 	struct pckbc_rbuf_item rbuf[PCKBC_RBUF_SIZE];
     72 	int rbuf_read;
     73 	int rbuf_write;
     74 };
     75 
     76 typedef void (*pckbc_inputfcn) __P((void *, int));
     77 
     78 /*
     79  * State per device.
     80  */
     81 struct pckbc_softc {
     82 	struct device sc_dv;
     83 	struct pckbc_internal *id;
     84 
     85 	pckbc_inputfcn inputhandler[PCKBC_NSLOTS];
     86 	void *inputarg[PCKBC_NSLOTS];
     87 	char *subname[PCKBC_NSLOTS];
     88 
     89 	void (*intr_establish) __P((struct pckbc_softc *, pckbc_slot_t));
     90 };
     91 
     92 struct pckbc_attach_args {
     93 	pckbc_tag_t pa_tag;
     94 	pckbc_slot_t pa_slot;
     95 };
     96 
     97 extern const char * const pckbc_slot_names[];
     98 extern struct pckbc_internal pckbc_consdata;
     99 extern int pckbc_console_attached;
    100 
    101 void pckbc_set_inputhandler __P((pckbc_tag_t, pckbc_slot_t,
    102 				 pckbc_inputfcn, void *, char *));
    103 
    104 void pckbc_flush __P((pckbc_tag_t, pckbc_slot_t));
    105 int pckbc_poll_cmd __P((pckbc_tag_t, pckbc_slot_t, u_char *, int,
    106 			int, u_char *, int));
    107 int pckbc_enqueue_cmd __P((pckbc_tag_t, pckbc_slot_t, u_char *, int,
    108 			   int, int, u_char *));
    109 int pckbc_send_cmd __P((bus_space_tag_t, bus_space_handle_t, u_char));
    110 int pckbc_poll_data __P((pckbc_tag_t, pckbc_slot_t));
    111 int pckbc_poll_data1 __P((pckbc_tag_t, pckbc_slot_t, int));
    112 void pckbc_set_poll __P((pckbc_tag_t, pckbc_slot_t, int));
    113 int pckbc_xt_translation __P((pckbc_tag_t, pckbc_slot_t, int));
    114 void pckbc_slot_enable __P((pckbc_tag_t, pckbc_slot_t, int));
    115 
    116 void pckbc_attach __P((struct pckbc_softc *));
    117 int pckbc_cnattach __P((bus_space_tag_t, bus_addr_t, bus_size_t,
    118 			pckbc_slot_t));
    119 int pckbc_is_console __P((bus_space_tag_t, bus_addr_t));
    120 int pckbcintr __P((void *));
    121 int pckbcintr_hard __P((void *));
    122 void pckbcintr_soft __P((void *));
    123 
    124 /* md hook for use without mi wscons */
    125 int pckbc_machdep_cnattach __P((pckbc_tag_t, pckbc_slot_t));
    126 
    127 #endif /* _DEV_IC_PCKBCVAR_H_ */
    128