add puc(4) atppc(4) attachment; probes correctly, but needs further
work to support DMA, and some actual transfer testing
This commit is contained in:
jdolecek
parent
1c1ef41b96
commit
82e4b81f3e
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/* $NetBSD: atppc_puc.c,v 1.1 2004/01/25 11:50:51 jdolecek Exp $ */
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/*-
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* Copyright (c) 2004 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jaromir Dolecek.
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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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* 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "opt_atppc.h"
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: atppc_puc.c,v 1.1 2004/01/25 11:50:51 jdolecek Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/termios.h>
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#include <machine/bus.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pucvar.h>
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#include <dev/ic/atppcvar.h>
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static int atppc_puc_match(struct device *, struct cfdata *, void *);
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static void atppc_puc_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(atppc_puc, sizeof(struct atppc_softc), atppc_puc_match,
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atppc_puc_attach, NULL, NULL);
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static int atppc_puc_dma_start(struct atppc_softc *, void *, u_int,
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u_int8_t);
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static int atppc_puc_dma_finish(struct atppc_softc *);
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static int atppc_puc_dma_abort(struct atppc_softc *);
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static int atppc_puc_dma_malloc(struct device *, caddr_t *, bus_addr_t *,
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bus_size_t);
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static void atppc_puc_dma_free(struct device *, caddr_t *, bus_addr_t *,
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bus_size_t);
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/*
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* atppc_acpi_match: autoconf(9) match routine
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*/
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static int
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atppc_puc_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct puc_attach_args *aa = aux;
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/*
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* Locators already matched, just check the type.
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*/
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if (aa->type != PUC_PORT_TYPE_LPT)
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return (0);
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return (1);
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}
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static void
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atppc_puc_attach(struct device *parent, struct device *self, void *aux)
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{
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struct atppc_softc *sc = (struct atppc_softc *) self;
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struct puc_attach_args *aa = aux;
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const char *intrstr;
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sc->sc_dev_ok = ATPPC_NOATTACH;
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printf(": AT Parallel Port\n");
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/* Attach */
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sc->sc_iot = aa->t;
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sc->sc_ioh = aa->h;
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sc->sc_dmat = aa->dmat;
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sc->sc_has = 0;
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intrstr = pci_intr_string(aa->pc, aa->intrhandle);
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sc->sc_ieh = pci_intr_establish(aa->pc, aa->intrhandle, IPL_TTY,
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atppcintr, sc);
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if (sc->sc_ieh == NULL) {
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printf("%s: couldn't establish interrupt",
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sc->sc_dev.dv_xname);
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if (intrstr != NULL)
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printf(" at %s", intrstr);
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printf("\n");
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return;
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}
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printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
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sc->sc_has |= ATPPC_HAS_INTR;
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/* setup DMA hooks */
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/* XXX setup dma maps */
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sc->sc_dma_start = atppc_puc_dma_start;
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sc->sc_dma_finish = atppc_puc_dma_finish;
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sc->sc_dma_abort = atppc_puc_dma_abort;
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sc->sc_dma_malloc = atppc_puc_dma_malloc;
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sc->sc_dma_free = atppc_puc_dma_free;
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//sc->sc_has |= ATPPC_HAS_DMA;
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/* Finished attach */
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sc->sc_dev_ok = ATPPC_ATTACHED;
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/* Run soft configuration attach */
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atppc_sc_attach(sc);
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}
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/* Start DMA operation over PCI bus */
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static int
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atppc_puc_dma_start(struct atppc_softc *lsc, void *buf, u_int nbytes,
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u_int8_t mode)
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{
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/* Nothing to do */
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return (0);
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}
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/* Stop DMA operation over PCI bus */
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static int
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atppc_puc_dma_finish(struct atppc_softc * lsc)
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{
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/* Nothing to do */
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return (0);
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}
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/* Abort DMA operation over PCI bus */
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int
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atppc_puc_dma_abort(struct atppc_softc * lsc)
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{
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/* Nothing to do */
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return (0);
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}
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/* Allocate memory for DMA over PCI bus */
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int
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atppc_puc_dma_malloc(struct device * dev, caddr_t * buf, bus_addr_t * bus_addr,
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bus_size_t size)
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{
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return 0;
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/*
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struct atppc_puc_softc * sc = (struct atppc_acpi_softc *) dev;
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return atppc_isadma_malloc(sc->sc_ic, sc->sc_drq, buf, bus_addr, size);
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*/
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}
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/* Free memory allocated by atppc_isa_dma_malloc() */
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void
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atppc_puc_dma_free(struct device * dev, caddr_t * buf, bus_addr_t * bus_addr,
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bus_size_t size)
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{
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/*
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struct atppc_acpi_softc * sc = (struct atppc_acpi_softc *) dev;
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return atppc_isadma_free(sc->sc_ic, sc->sc_drq, buf, bus_addr, size);
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*/
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}
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@ -1,4 +1,4 @@
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# $NetBSD: files.pci,v 1.206 2004/01/20 19:58:01 jdolecek Exp $
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# $NetBSD: files.pci,v 1.207 2004/01/25 11:50:51 jdolecek Exp $
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#
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# Config file and device description for machine-independent PCI code.
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# Included by ports that need it. Requires that the SCSI files be
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@ -486,7 +486,10 @@ attach com at puc with com_puc
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file dev/pci/com_puc.c com_puc
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attach lpt at puc with lpt_puc
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file dev/pci/lpt_puc.c lpt_puc
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file dev/pci/lpt_puc.c lpt_puc & !ppbus
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attach atppc at puc with atppc_puc
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file dev/pci/atppc_puc.c atppc_puc
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# Console device support for puc drivers
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defflag opt_puccn.h PUCCN
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