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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/types.h>
#include <sys/byteorder.h>
#include <sys/systm.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
int pcs_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **);
int pcs_attach(dev_info_t *, ddi_attach_cmd_t);
int pcs_detach(dev_info_t *, ddi_detach_cmd_t);
dev_info_t *pcs_dip;
static struct dev_ops pcs_devops = {
DEVO_REV,
0,
pcs_getinfo,
nulldev,
nulldev,
pcs_attach,
pcs_detach,
nulldev,
NULL,
NULL,
NULL,
ddi_quiesce_not_needed, /* quiesce */
};
/*
* This is the loadable module wrapper.
*/
#include <sys/modctl.h>
extern struct mod_ops mod_driverops;
static struct modldrv modldrv = {
&mod_driverops, /* Type of module. This one is a driver */
"PCMCIA Socket Driver", /* Name of the module. */
&pcs_devops, /* driver ops */
};
static struct modlinkage modlinkage = {
MODREV_1, (void *)&modldrv, NULL
};
struct pcs_inst {
dev_info_t *dip;
} *pcs_instances;
int
_init()
{
int ret;
if ((ret = ddi_soft_state_init((void **)&pcs_instances,
sizeof (struct pcs_inst), 1)) != 0)
return (ret);
if ((ret = mod_install(&modlinkage)) != 0) {
ddi_soft_state_fini((void **)&pcs_instances);
}
return (ret);
}
int
_fini()
{
int ret;
ret = mod_remove(&modlinkage);
if (ret == 0) {
ddi_soft_state_fini((void **)&pcs_instances);
}
return (ret);
}
int
_info(struct modinfo *modinfop)
{
return (mod_info(&modlinkage, modinfop));
}
int
pcs_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result)
{
int error = DDI_SUCCESS;
int inum;
struct pcs_inst *inst;
#ifdef lint
dip = dip;
#endif
switch (cmd) {
case DDI_INFO_DEVT2DEVINFO:
inum = getminor((dev_t)arg);
inst = (struct pcs_inst *)ddi_get_soft_state(pcs_instances,
inum);
if (inst == NULL)
error = DDI_FAILURE;
else
*result = inst->dip;
break;
case DDI_INFO_DEVT2INSTANCE:
inum = getminor((dev_t)arg);
inst = (struct pcs_inst *)ddi_get_soft_state(pcs_instances,
inum);
if (inst == NULL)
error = DDI_FAILURE;
else
*result = (void *)(uintptr_t)inum;
break;
default:
error = DDI_FAILURE;
}
return (error);
}
int
pcs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
{
int ret = DDI_SUCCESS;
int inum;
struct pcs_inst *inst;
switch (cmd) {
case DDI_RESUME:
return (DDI_SUCCESS);
case DDI_ATTACH:
break;
default:
return (DDI_FAILURE);
}
inum = ddi_get_instance(dip);
if (ddi_soft_state_zalloc(pcs_instances, inum) == DDI_SUCCESS) {
inst = (struct pcs_inst *)ddi_get_soft_state(pcs_instances,
inum);
if (inst == NULL)
ret = DDI_FAILURE;
else
inst->dip = dip;
}
return (ret);
}
int
pcs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
{
switch (cmd) {
case DDI_DETACH:
ddi_soft_state_free(pcs_instances, ddi_get_instance(dip));
return (DDI_SUCCESS);
case DDI_SUSPEND:
case DDI_PM_SUSPEND:
return (DDI_SUCCESS);
default:
break;
}
return (DDI_FAILURE);
}
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