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/*
* Copyright (c) 1996-1999 The University of Utah and the Flux Group.
*
* This file is part of the OSKit Linux Glue Libraries, which are free
* software, also known as "open source;" you can redistribute them and/or
* modify them under the terms of the GNU General Public License (GPL),
* version 2, as published by the Free Software Foundation (FSF).
*
* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
#include <oskit/com.h>
#include <oskit/dev/isa.h>
#include <oskit/dev/native.h> /* XXX: osenv_isabus_init */
#include <linux/string.h>
#include <linux/sched.h>
#include "glue.h"
#include "sched.h"
#include "osenv.h"
oskit_error_t
oskit_linux_driver_register(struct driver_struct *drv)
{
oskit_error_t rc;
/* First make sure the generic Linux driver code is initialized */
rc = oskit_linux_dev_init();
if (rc)
return rc;
#ifndef CPUNITS
/* Also, make sure the ISA bus tree is initialized. */
osenv_isabus_init();
#endif
/* Register this driver */
rc = osenv_driver_register((oskit_driver_t*)&drv->drvi,
&oskit_isa_driver_iid, 1);
if (rc)
return rc;
return 0;
}
static OSKIT_COMDECL
query(oskit_isa_driver_t *drv, const struct oskit_guid *iid, void **out_ihandle)
{
struct driver_struct *ds = (struct driver_struct*)drv;
if (memcmp(iid, &oskit_iunknown_iid, sizeof(*iid)) == 0 ||
memcmp(iid, &oskit_driver_iid, sizeof(*iid)) == 0 ||
memcmp(iid, &oskit_isa_driver_iid, sizeof(*iid)) == 0) {
*out_ihandle = &ds->drvi;
return 0;
}
*out_ihandle = 0;
return OSKIT_E_NOINTERFACE;
}
static OSKIT_COMDECL_U addref(oskit_isa_driver_t *drv)
{
/* No reference counting for static driver nodes */
return 1;
}
static OSKIT_COMDECL_U release(oskit_isa_driver_t *drv)
{
/* No reference counting for static driver nodes */
return 1;
}
static OSKIT_COMDECL getinfo(oskit_isa_driver_t *drv, oskit_devinfo_t *out_info)
{
struct driver_struct *ds = (struct driver_struct*)drv;
*out_info = ds->info;
return 0;
}
static OSKIT_COMDECL probe(oskit_isa_driver_t *drv, oskit_isabus_t *bus)
{
struct driver_struct *ds = (struct driver_struct*)drv;
struct task_struct ts;
oskit_error_t rc;
OSKIT_LINUX_CREATE_CURRENT(ts);
/* Now probe for the specific device(s) we're looking for */
rc = ds->probe(ds);
OSKIT_LINUX_DESTROY_CURRENT();
return rc;
}
struct oskit_isa_driver_ops oskit_linux_driver_ops = {
query, addref, release,
getinfo, probe
};
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