NetBSD/sys/arch/newsmips/dev/kb.c

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1998-02-18 16:48:03 +03:00
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* from: $Hdr: kb.c,v 4.300 91/06/09 06:42:44 root Rel41 $ SONY
*
* @(#)kb.c 8.1 (Berkeley) 6/11/93
*/
#include "kb.h"
#if NKB > 0
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/ioctl.h>
#include <sys/systm.h>
#include <sys/uio.h>
#include <sys/device.h>
#include <machine/keyboard.h>
#include <machine/autoconf.h>
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#include <newsmips/dev/kbreg.h>
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#ifdef CPU_SINGLE
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#include <newsmips/dev/scc.h>
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#else
#include "../iop/iopvar.h"
#endif
extern Key_table key_table[];
extern Key_table default_table[];
extern int country;
extern void kbd_init(void);
extern int kbd_ioctl(int, int, int *);
extern int kbd_write(int, char *, int);
extern void init_key_table(void);
static int kbmatch __P((struct device *, struct cfdata *, void *));
static void kbattach __P((struct device *, struct device *, void *));
extern int kbopen(dev_t, int, int, struct proc *);
extern int kbclose(dev_t, int, int, struct proc *);
#ifdef KBDEBUG
extern int kbread(dev_t, struct uio *);
#endif
extern int kbwrite(dev_t, struct uio *);
extern int kbioctl(dev_t, int, caddr_t, int, struct proc *);
static int kbchange(Key_tab_info *);
static int kb_probe(void);
static void kb_attach(void);
static int kb_open(void);
static int kb_close(void);
#ifdef KBDEBUG
static int kb_read(struct uio *);
#endif
static int kb_write(struct uio *);
static int kb_ctrl(int, void *);
struct cfattach kb_ca = {
sizeof(struct device), kbmatch, kbattach
};
extern struct cfdriver kb_cd;
#ifdef CPU_SINGLE
extern Key_table *key_table_addr;
#endif
static int kb_busy;
int
kbmatch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct confargs *ca = aux;
if (strcmp(ca->ca_name, "kb"))
return 0;
return kb_probe();
}
void
kbattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
kb_attach();
init_key_table();
printf("\n");
}
int
kbopen(dev, flags, mode, p)
dev_t dev;
int flags, mode;
struct proc *p;
{
int unit = minor(dev);
if (unit >= NKB)
return ENXIO;
if (kb_busy)
return EBUSY;
/* need spl? */
kb_busy = 1;
return kb_open();
}
int
kbclose(dev, flags, mode, p)
dev_t dev;
int flags, mode;
struct proc *p;
{
kb_close();
kb_busy = 0;
return 0;
}
#ifdef KBDEBUG
int
kbread(dev, uio)
dev_t dev;
struct uio *uio;
{
int error = 0;
while (uio->uio_resid > 0)
if (error = kb_read(uio))
break;
return error;
}
#endif /* KBDEBUG */
int
kbwrite(dev, uio)
dev_t dev;
struct uio *uio;
{
int error = 0;
while (uio->uio_resid > 0)
if (error = kb_write(uio))
break;
return error;
}
int
kbioctl(dev, cmd, data, flag, p)
dev_t dev;
int cmd;
caddr_t data;
int flag;
struct proc *p;
{
int error = 0;
switch (cmd) {
case KBIOCBELL:
error = kb_ctrl(KIOCBELL, (int *)data);
break;
case KBIOCREPT:
error = kb_ctrl(KIOCREPT, 0);
break;
case KBIOCNRPT:
error = kb_ctrl(KIOCNRPT, 0);
break;
case KBIOCSETLOCK:
error = kb_ctrl(KIOCSETLOCK, (int *)data);
break;
case KBIOCSETTBL:
error = kbchange((Key_tab_info *)data);
break;
case KBIOCGETCNUM:
error = kb_ctrl(KIOCGETCNUM, (int *)data);
break;
case KBIOCSETCNUM:
error = kb_ctrl(KIOCSETCNUM, (int *)data);
break;
case KBIOCGETSTAT:
error = kb_ctrl(KIOCGETSTAT, (int *)data);
break;
case KBIOCSETSTAT:
error = kb_ctrl(KIOCSETSTAT, (int *)data);
break;
default:
return EIO;
}
return error;
}
int
kbchange(argp)
Key_tab_info *argp;
{
int keynumber;
keynumber = ((Key_tab_info *)argp)->key_number;
if (keynumber < 0 || keynumber > N_KEY)
return (EINVAL);
key_table[keynumber] = argp->key_num_table;
return (kb_ctrl(KIOCCHTBL, (Key_table *)key_table));
}
/*
* Machine dependent functions
*
* kb_probe()
* kb_attach()
* kb_open()
* kb_close()
* kb_write()
* kb_ctrl()
*/
#ifdef CPU_SINGLE
extern int tty00_is_console;
extern Key_table *key_table_addr;
#define KBPRI (PZERO+1)
int
kb_probe()
{
return 1;
}
void
kb_attach()
{
kbd_init();
kbd_ioctl(0, KIOCSETCNUM, &country);
}
int
kb_open()
{
if (tty00_is_console)
kbm_open(SCC_KEYBOARD);
return 0;
}
int
kb_close()
{
if (tty00_is_console)
kbm_close(SCC_KEYBOARD);
return 0;
}
#ifdef KBDEBUG
int
kb_read(uio)
struct uio *uio;
{
int n;
char buf[32];
n = kbd_read_raw(SCC_KEYBOARD, buf, min(uio->uio_resid, sizeof (buf)));
if (n == 0)
return (0);
return (uiomove((caddr_t)buf, n, uio));
}
#endif /* KBDEBUG */
int
kb_write(uio)
struct uio *uio;
{
int n, error;
char buf[32];
n = min(sizeof(buf), uio->uio_resid);
if (error = uiomove((caddr_t)buf, n, uio))
return (error);
kbd_write(SCC_KEYBOARD, buf, n);
return (0);
}
int
kb_ctrl(func, arg)
int func;
void *arg;
{
return (kbd_ioctl(0, func, arg));
}
#endif /* CPU_SINGLE */
#ifdef IPC_MRX
#include "../ipc/newsipc.h"
#include "../mrx/h/kbms.h"
#ifdef news3800
#define ipc_phys(x) (caddr_t)(K0_TT0(x))
#endif
int port_kboutput, port_kboutput_iop, port_kbctrl, port_kbctrl_iop;
kb_probe(ii)
struct iop_device *ii;
{
port_kboutput_iop = object_query("kbd_output");
port_kbctrl_iop = object_query("kbd_io");
if (port_kboutput_iop <= 0 || port_kbctrl_iop <= 0)
return (0);
port_kboutput = port_create("@kboutput", NULL, 0);
port_kbctrl = port_create("@kbctrl", NULL, 0);
return (1);
}
kb_attach(ii)
struct iop_device *ii;
{
(void) kb_ctrl(KIOCCHTBL, (Key_table *)key_table);
(void) kb_ctrl(KIOCSETCNUM, &country);
}
kb_open()
{
return (0);
}
kb_close()
{
return (0);
}
#ifdef KBDEBUG
kb_read(uio)
struct uio *uio;
{
char *addr;
int len;
int error;
len = uio->uio_resid;
msg_send(port_kbinput_iop, port_kbinput, &len, sizeof(len), 0);
msg_recv(port_kbinput, NULL, &addr, &len, 0);
error = uiomove(addr, len, UIO_READ, uio);
msg_free(port_kbinput);
return (error);
}
#endif /* KBDEBUG */
kb_write(uio)
struct uio *uio;
{
int len;
int error;
char buf[MAX_CIO];
len = min(MAX_CIO, uio->uio_resid);
if (error = uiomove(buf, len, UIO_WRITE, uio))
return (error);
msg_send(port_kboutput_iop, port_kboutput, buf, len, 0);
msg_recv(port_kboutput, NULL, NULL, NULL, 0);
msg_free(port_kboutput);
return (0);
}
kb_ctrl(func, arg)
int func;
int *arg;
{
struct kb_ctrl_req req;
int *reply, result;
static int tmp;
if (func == KIOCCHTBL || func == KIOCOYATBL)
req.kb_arg = (int)ipc_phys(arg);
else if (arg == NULL)
req.kb_arg = (int)&tmp;
else
req.kb_arg = *arg;
req.kb_func = func;
msg_send(port_kbctrl_iop, port_kbctrl, &req, sizeof(req), 0);
msg_recv(port_kbctrl, NULL, &reply, NULL, 0);
result = *reply;
msg_free(port_kbctrl);
switch (func) {
case KIOCGETCNUM:
case KIOCGETSTAT:
if (arg)
*(int *)arg = result;
}
return (0);
}
#endif /* IPC_MRX */
#endif /* NKB > 0 */