177 lines
4.2 KiB
C
177 lines
4.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2006 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include <sys/sysctl.h>
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#include <dev/puc/puc_bus.h>
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#include <dev/puc/puc_cfg.h>
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#include <dev/puc/puc_bfe.h>
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int
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puc_config(struct puc_softc *sc, enum puc_cfg_cmd cmd, int port, intptr_t *r)
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{
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const struct puc_cfg *cfg = sc->sc_cfg;
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int error;
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if (cfg->config_function != NULL) {
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error = cfg->config_function(sc, cmd, port, r);
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if (!error)
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return (0);
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} else
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error = EDOOFUS;
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switch (cmd) {
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case PUC_CFG_GET_CLOCK:
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if (cfg->clock < 0)
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return (error);
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*r = cfg->clock;
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return (0);
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case PUC_CFG_GET_DESC:
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if (cfg->desc == NULL)
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return (error);
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*r = (intptr_t)cfg->desc;
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return (0);
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case PUC_CFG_GET_ILR:
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*r = PUC_ILR_NONE;
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return (0);
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case PUC_CFG_GET_LEN:
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/* The length of bus space needed by the port. */
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*r = 8;
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return (0);
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case PUC_CFG_GET_NPORTS:
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/* The number of ports on this card. */
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switch (cfg->ports) {
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case PUC_PORT_NONSTANDARD:
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return (error);
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case PUC_PORT_1P:
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case PUC_PORT_1S:
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*r = 1;
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return (0);
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case PUC_PORT_1S1P:
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case PUC_PORT_2P:
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case PUC_PORT_2S:
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*r = 2;
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return (0);
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case PUC_PORT_1S2P:
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case PUC_PORT_2S1P:
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case PUC_PORT_3S:
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*r = 3;
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return (0);
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case PUC_PORT_4S:
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*r = 4;
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return (0);
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case PUC_PORT_4S1P:
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*r = 5;
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return (0);
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case PUC_PORT_6S:
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*r = 6;
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return (0);
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case PUC_PORT_8S:
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*r = 8;
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return (0);
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case PUC_PORT_12S:
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*r = 12;
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return (0);
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case PUC_PORT_16S:
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*r = 16;
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return (0);
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}
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break;
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case PUC_CFG_GET_OFS:
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/* The offset relative to the RID. */
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if (cfg->d_ofs < 0)
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return (error);
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*r = port * cfg->d_ofs;
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return (0);
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case PUC_CFG_GET_RID:
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/* The RID for this port. */
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if (port == 0) {
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if (cfg->rid < 0)
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return (error);
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*r = cfg->rid;
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return (0);
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}
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if (cfg->d_rid < 0)
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return (error);
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if (cfg->rid < 0) {
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error = puc_config(sc, PUC_CFG_GET_RID, 0, r);
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if (error)
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return (error);
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} else
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*r = cfg->rid;
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*r += port * cfg->d_rid;
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return (0);
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case PUC_CFG_GET_TYPE:
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/* The type of this port. */
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if (cfg->ports == PUC_PORT_NONSTANDARD)
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return (error);
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switch (port) {
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case 0:
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if (cfg->ports == PUC_PORT_1P ||
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cfg->ports == PUC_PORT_2P)
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*r = PUC_TYPE_PARALLEL;
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else
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*r = PUC_TYPE_SERIAL;
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return (0);
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case 1:
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if (cfg->ports == PUC_PORT_1S1P ||
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cfg->ports == PUC_PORT_1S2P ||
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cfg->ports == PUC_PORT_2P)
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*r = PUC_TYPE_PARALLEL;
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else
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*r = PUC_TYPE_SERIAL;
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return (0);
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case 2:
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if (cfg->ports == PUC_PORT_1S2P ||
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cfg->ports == PUC_PORT_2S1P)
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*r = PUC_TYPE_PARALLEL;
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else
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*r = PUC_TYPE_SERIAL;
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return (0);
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case 4:
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if (cfg->ports == PUC_PORT_4S1P)
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*r = PUC_TYPE_PARALLEL;
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else
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*r = PUC_TYPE_SERIAL;
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return (0);
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}
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*r = PUC_TYPE_SERIAL;
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return (0);
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case PUC_CFG_SETUP:
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*r = ENXIO;
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return (0);
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}
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return (ENXIO);
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}
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