115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
/* $NetBSD: pckbcvar.h,v 1.12 2005/12/11 12:21:28 christos 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 <dev/pckbport/pckbportvar.h>
|
|
|
|
#include "rnd.h"
|
|
#if NRND > 0
|
|
#include <sys/rnd.h>
|
|
#endif
|
|
|
|
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_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 {
|
|
struct device sc_dv;
|
|
struct pckbc_internal *id;
|
|
|
|
void (*intr_establish)(struct pckbc_softc *, pckbc_slot_t);
|
|
};
|
|
|
|
struct pckbc_attach_args {
|
|
pckbc_tag_t pa_tag;
|
|
pckbc_slot_t pa_slot;
|
|
};
|
|
|
|
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 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);
|
|
|
|
#endif /* _DEV_IC_PCKBCVAR_H_ */
|