NetBSD/sys/dev/pci/atppc_puc.c

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/* $NetBSD: atppc_puc.c,v 1.1 2004/01/25 11:50:51 jdolecek Exp $ */
/*-
* Copyright (c) 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jaromir Dolecek.
*
* 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 NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include "opt_atppc.h"
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: atppc_puc.c,v 1.1 2004/01/25 11:50:51 jdolecek Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/termios.h>
#include <machine/bus.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pucvar.h>
#include <dev/ic/atppcvar.h>
static int atppc_puc_match(struct device *, struct cfdata *, void *);
static void atppc_puc_attach(struct device *, struct device *, void *);
CFATTACH_DECL(atppc_puc, sizeof(struct atppc_softc), atppc_puc_match,
atppc_puc_attach, NULL, NULL);
static int atppc_puc_dma_start(struct atppc_softc *, void *, u_int,
u_int8_t);
static int atppc_puc_dma_finish(struct atppc_softc *);
static int atppc_puc_dma_abort(struct atppc_softc *);
static int atppc_puc_dma_malloc(struct device *, caddr_t *, bus_addr_t *,
bus_size_t);
static void atppc_puc_dma_free(struct device *, caddr_t *, bus_addr_t *,
bus_size_t);
/*
* atppc_acpi_match: autoconf(9) match routine
*/
static int
atppc_puc_match(struct device *parent, struct cfdata *match, void *aux)
{
struct puc_attach_args *aa = aux;
/*
* Locators already matched, just check the type.
*/
if (aa->type != PUC_PORT_TYPE_LPT)
return (0);
return (1);
}
static void
atppc_puc_attach(struct device *parent, struct device *self, void *aux)
{
struct atppc_softc *sc = (struct atppc_softc *) self;
struct puc_attach_args *aa = aux;
const char *intrstr;
sc->sc_dev_ok = ATPPC_NOATTACH;
printf(": AT Parallel Port\n");
/* Attach */
sc->sc_iot = aa->t;
sc->sc_ioh = aa->h;
sc->sc_dmat = aa->dmat;
sc->sc_has = 0;
intrstr = pci_intr_string(aa->pc, aa->intrhandle);
sc->sc_ieh = pci_intr_establish(aa->pc, aa->intrhandle, IPL_TTY,
atppcintr, sc);
if (sc->sc_ieh == NULL) {
printf("%s: couldn't establish interrupt",
sc->sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
sc->sc_has |= ATPPC_HAS_INTR;
/* setup DMA hooks */
/* XXX setup dma maps */
sc->sc_dma_start = atppc_puc_dma_start;
sc->sc_dma_finish = atppc_puc_dma_finish;
sc->sc_dma_abort = atppc_puc_dma_abort;
sc->sc_dma_malloc = atppc_puc_dma_malloc;
sc->sc_dma_free = atppc_puc_dma_free;
//sc->sc_has |= ATPPC_HAS_DMA;
/* Finished attach */
sc->sc_dev_ok = ATPPC_ATTACHED;
/* Run soft configuration attach */
atppc_sc_attach(sc);
}
/* Start DMA operation over PCI bus */
static int
atppc_puc_dma_start(struct atppc_softc *lsc, void *buf, u_int nbytes,
u_int8_t mode)
{
/* Nothing to do */
return (0);
}
/* Stop DMA operation over PCI bus */
static int
atppc_puc_dma_finish(struct atppc_softc * lsc)
{
/* Nothing to do */
return (0);
}
/* Abort DMA operation over PCI bus */
int
atppc_puc_dma_abort(struct atppc_softc * lsc)
{
/* Nothing to do */
return (0);
}
/* Allocate memory for DMA over PCI bus */
int
atppc_puc_dma_malloc(struct device * dev, caddr_t * buf, bus_addr_t * bus_addr,
bus_size_t size)
{
return 0;
/*
struct atppc_puc_softc * sc = (struct atppc_acpi_softc *) dev;
return atppc_isadma_malloc(sc->sc_ic, sc->sc_drq, buf, bus_addr, size);
*/
}
/* Free memory allocated by atppc_isa_dma_malloc() */
void
atppc_puc_dma_free(struct device * dev, caddr_t * buf, bus_addr_t * bus_addr,
bus_size_t size)
{
/*
struct atppc_acpi_softc * sc = (struct atppc_acpi_softc *) dev;
return atppc_isadma_free(sc->sc_ic, sc->sc_drq, buf, bus_addr, size);
*/
}