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/*-
* Copyright (c) 2006 Marcel Moolenaar
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <dev/puc/puc_bfe.h>
#include <dev/puc/puc_bus.h>
#include <dev/puc/puc_cfg.h>
int
puc_config(struct puc_softc *sc, enum puc_cfg_cmd cmd, int port, intptr_t *r)
{
const struct puc_cfg *cfg = sc->sc_cfg;
int error;
if (cfg->config_function != NULL) {
error = cfg->config_function(sc, cmd, port, r);
if (!error)
return (0);
} else
error = EDOOFUS;
switch (cmd) {
case PUC_CFG_GET_CLOCK:
if (cfg->clock < 0)
return (error);
*r = cfg->clock;
return (0);
case PUC_CFG_GET_DESC:
if (cfg->desc == NULL)
return (error);
*r = (intptr_t)cfg->desc;
return (0);
case PUC_CFG_GET_ILR:
*r = PUC_ILR_NONE;
return (0);
case PUC_CFG_GET_LEN:
/* The length of bus space needed by the port. */
*r = 8;
return (0);
case PUC_CFG_GET_NPORTS:
/* The number of ports on this card. */
switch (cfg->ports) {
case PUC_PORT_NONSTANDARD:
return (error);
case PUC_PORT_1P:
case PUC_PORT_1S:
*r = 1;
return (0);
case PUC_PORT_1S1P:
case PUC_PORT_2P:
case PUC_PORT_2S:
*r = 2;
return (0);
case PUC_PORT_1S2P:
case PUC_PORT_2S1P:
case PUC_PORT_3S:
*r = 3;
return (0);
case PUC_PORT_4S:
*r = 4;
return (0);
case PUC_PORT_4S1P:
*r = 5;
return (0);
case PUC_PORT_6S:
*r = 6;
return (0);
case PUC_PORT_8S:
*r = 8;
return (0);
case PUC_PORT_12S:
*r = 12;
return (0);
case PUC_PORT_16S:
*r = 16;
return (0);
}
break;
case PUC_CFG_GET_OFS:
/* The offset relative to the RID. */
if (cfg->d_ofs < 0)
return (error);
*r = port * cfg->d_ofs;
return (0);
case PUC_CFG_GET_RID:
/* The RID for this port. */
if (port == 0) {
if (cfg->rid < 0)
return (error);
*r = cfg->rid;
return (0);
}
if (cfg->d_rid < 0)
return (error);
if (cfg->rid < 0) {
error = puc_config(sc, PUC_CFG_GET_RID, 0, r);
if (error)
return (error);
} else
*r = cfg->rid;
*r += port * cfg->d_rid;
return (0);
case PUC_CFG_GET_TYPE:
/* The type of this port. */
if (cfg->ports == PUC_PORT_NONSTANDARD)
return (error);
switch (port) {
case 0:
if (cfg->ports == PUC_PORT_1P ||
cfg->ports == PUC_PORT_2P)
*r = PUC_TYPE_PARALLEL;
else
*r = PUC_TYPE_SERIAL;
return (0);
case 1:
if (cfg->ports == PUC_PORT_1S1P ||
cfg->ports == PUC_PORT_1S2P ||
cfg->ports == PUC_PORT_2P)
*r = PUC_TYPE_PARALLEL;
else
*r = PUC_TYPE_SERIAL;
return (0);
case 2:
if (cfg->ports == PUC_PORT_1S2P ||
cfg->ports == PUC_PORT_2S1P)
*r = PUC_TYPE_PARALLEL;
else
*r = PUC_TYPE_SERIAL;
return (0);
case 4:
if (cfg->ports == PUC_PORT_4S1P)
*r = PUC_TYPE_PARALLEL;
else
*r = PUC_TYPE_SERIAL;
return (0);
}
*r = PUC_TYPE_SERIAL;
return (0);
case PUC_CFG_SETUP:
*r = ENXIO;
return (0);
}
return (ENXIO);
}
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