384 lines
11 KiB
C
384 lines
11 KiB
C
/* $NetBSD: wdc_pcmcia.c,v 1.96 2004/09/07 00:24:18 enami Exp $ */
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/*-
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* Copyright (c) 1998, 2003, 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 Charles M. Hannum, by Onno van der Linden and by Manuel Bouyer.
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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 <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: wdc_pcmcia.c,v 1.96 2004/09/07 00:24:18 enami Exp $");
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/systm.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <dev/pcmcia/pcmciareg.h>
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#include <dev/pcmcia/pcmciavar.h>
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#include <dev/pcmcia/pcmciadevs.h>
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#include <dev/ic/wdcreg.h>
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#include <dev/ata/atavar.h>
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#include <dev/ic/wdcvar.h>
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#define WDC_PCMCIA_REG_NPORTS 8
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#define WDC_PCMCIA_AUXREG_OFFSET (WDC_PCMCIA_REG_NPORTS + 6)
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#define WDC_PCMCIA_AUXREG_NPORTS 2
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struct wdc_pcmcia_softc {
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struct wdc_softc sc_wdcdev;
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struct ata_channel *wdc_chanlist[1];
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struct ata_channel ata_channel;
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struct ata_queue wdc_chqueue;
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struct wdc_regs wdc_regs;
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struct pcmcia_function *sc_pf;
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void *sc_ih;
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int sc_state;
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#define WDC_PCMCIA_ATTACHED 3
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};
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static int wdc_pcmcia_match(struct device *, struct cfdata *, void *);
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static int wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *);
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static int wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *);
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static void wdc_pcmcia_attach(struct device *, struct device *, void *);
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static int wdc_pcmcia_detach(struct device *, int);
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CFATTACH_DECL(wdc_pcmcia, sizeof(struct wdc_pcmcia_softc),
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wdc_pcmcia_match, wdc_pcmcia_attach, wdc_pcmcia_detach, wdcactivate);
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static const struct pcmcia_product wdc_pcmcia_products[] = {
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{ PCMCIA_VENDOR_DIGITAL,
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PCMCIA_PRODUCT_DIGITAL_MOBILE_MEDIA_CDROM,
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{NULL, "Digital Mobile Media CD-ROM", NULL, NULL} },
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{ PCMCIA_VENDOR_IBM,
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PCMCIA_PRODUCT_IBM_PORTABLE_CDROM,
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{NULL, "PCMCIA Portable CD-ROM Drive", NULL, NULL} },
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/* The TEAC IDE/Card II is used on the Sony Vaio */
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{ PCMCIA_VENDOR_TEAC,
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PCMCIA_PRODUCT_TEAC_IDECARDII,
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PCMCIA_CIS_TEAC_IDECARDII },
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/*
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* A fujitsu rebranded panasonic drive that reports
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* itself as function "scsi", disk interface 0
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*/
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{ PCMCIA_VENDOR_PANASONIC,
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PCMCIA_PRODUCT_PANASONIC_KXLC005,
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PCMCIA_CIS_PANASONIC_KXLC005 },
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/*
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* EXP IDE/ATAPI DVD Card use with some DVD players.
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* Does not have a vendor ID or product ID.
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*/
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{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
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PCMCIA_CIS_EXP_EXPMULTIMEDIA },
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/* Mobile Dock 2, neither vendor ID nor product ID */
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{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
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{"SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", NULL, NULL} },
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/* Toshiba Portege 3110 CD, neither vendor ID nor product ID */
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{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
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{"FREECOM", "PCCARD-IDE", NULL, NULL} },
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/* Random CD-ROM, (badged AMACOM), neither vendor ID nor product ID */
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{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
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{"PCMCIA", "CD-ROM", NULL, NULL} },
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/* IO DATA CBIDE2, with neither vendor ID nor product ID */
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{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
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PCMCIA_CIS_IODATA_CBIDE2 },
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/* TOSHIBA PA2673U(IODATA_CBIDE2 OEM), */
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/* with neither vendor ID nor product ID */
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{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
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PCMCIA_CIS_TOSHIBA_CBIDE2 },
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/*
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* Novac PCMCIA-IDE Card for HD530P IDE Box,
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* with neither vendor ID nor product ID
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*/
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{ PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
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{"PCMCIA", "PnPIDE", NULL, NULL} },
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};
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static const size_t wdc_pcmcia_nproducts =
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sizeof(wdc_pcmcia_products) / sizeof(wdc_pcmcia_products[0]);
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static int wdc_pcmcia_enable(struct device *, int);
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static void wdc_pcmcia_datain_memory(struct ata_channel *, int, void *,
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size_t);
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static void wdc_pcmcia_dataout_memory(struct ata_channel *, int, void *,
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size_t);
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static int
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wdc_pcmcia_match(struct device *parent, struct cfdata *match, void *aux)
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{
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struct pcmcia_attach_args *pa = aux;
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if (pa->pf->function == PCMCIA_FUNCTION_DISK &&
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pa->pf->pf_funce_disk_interface == PCMCIA_TPLFE_DDI_PCCARD_ATA)
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return (1);
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if (pcmcia_product_lookup(pa, wdc_pcmcia_products, wdc_pcmcia_nproducts,
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sizeof(wdc_pcmcia_products[0]), NULL))
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return (2);
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return (0);
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}
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static int
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wdc_pcmcia_validate_config_io(struct pcmcia_config_entry *cfe)
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{
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if (cfe->iftype != PCMCIA_IFTYPE_IO ||
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cfe->num_iospace < 1 || cfe->num_iospace > 2)
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return (EINVAL);
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cfe->num_memspace = 0;
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return (0);
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}
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static int
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wdc_pcmcia_validate_config_memory(struct pcmcia_config_entry *cfe)
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{
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if (cfe->iftype != PCMCIA_IFTYPE_MEMORY ||
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cfe->num_memspace > 1 ||
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cfe->memspace[0].length < 2048)
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return (EINVAL);
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cfe->num_iospace = 0;
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return (0);
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}
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static void
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wdc_pcmcia_attach(struct device *parent, struct device *self, void *aux)
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{
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struct wdc_pcmcia_softc *sc = (void *)self;
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struct pcmcia_attach_args *pa = aux;
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struct pcmcia_config_entry *cfe;
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struct wdc_regs *wdr;
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bus_size_t offset;
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int i;
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int error;
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sc->sc_pf = pa->pf;
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error = pcmcia_function_configure(pa->pf,
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wdc_pcmcia_validate_config_io);
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if (error)
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/*XXXmem16|common*/
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error = pcmcia_function_configure(pa->pf,
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wdc_pcmcia_validate_config_memory);
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if (error) {
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aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
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error);
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return;
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}
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cfe = pa->pf->cfe;
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sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16;
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sc->sc_wdcdev.regs = wdr = &sc->wdc_regs;
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if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) {
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wdr->cmd_iot = cfe->memspace[0].handle.memt;
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wdr->cmd_baseioh = cfe->memspace[0].handle.memh;
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offset = cfe->memspace[0].offset;
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wdr->ctl_iot = cfe->memspace[0].handle.memt;
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if (bus_space_subregion(cfe->memspace[0].handle.memt,
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cfe->memspace[0].handle.memh,
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offset + WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
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&wdr->ctl_ioh))
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goto fail;
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} else {
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wdr->cmd_iot = cfe->iospace[0].handle.iot;
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wdr->cmd_baseioh = cfe->iospace[0].handle.ioh;
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offset = 0;
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if (cfe->num_iospace == 1) {
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wdr->ctl_iot = cfe->iospace[0].handle.iot;
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if (bus_space_subregion(cfe->iospace[0].handle.iot,
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cfe->iospace[0].handle.ioh,
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WDC_PCMCIA_AUXREG_OFFSET, WDC_PCMCIA_AUXREG_NPORTS,
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&wdr->ctl_ioh))
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goto fail;
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} else {
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wdr->ctl_iot = cfe->iospace[1].handle.iot;
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wdr->ctl_ioh = cfe->iospace[1].handle.ioh;
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}
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}
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for (i = 0; i < WDC_PCMCIA_REG_NPORTS; i++) {
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if (bus_space_subregion(wdr->cmd_iot,
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wdr->cmd_baseioh,
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offset + i, i == 0 ? 4 : 1,
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&wdr->cmd_iohs[i]) != 0) {
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aprint_error("%s: can't subregion I/O space\n",
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self->dv_xname);
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goto fail;
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}
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}
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if (cfe->iftype == PCMCIA_IFTYPE_MEMORY) {
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aprint_normal("%s: memory mapped mode\n", self->dv_xname);
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wdr->data32iot = cfe->memspace[0].handle.memt;
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if (bus_space_subregion(cfe->memspace[0].handle.memt,
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cfe->memspace[0].handle.memh, offset + 1024, 1024,
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&wdr->data32ioh))
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goto fail;
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sc->sc_wdcdev.datain_pio = wdc_pcmcia_datain_memory;
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sc->sc_wdcdev.dataout_pio = wdc_pcmcia_dataout_memory;
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sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_NOIRQ;
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} else {
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aprint_normal("%s: i/o mapped mode\n", self->dv_xname);
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wdr->data32iot = wdr->cmd_iot;
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wdr->data32ioh = wdr->cmd_iohs[wd_data];
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sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32;
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}
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sc->sc_wdcdev.sc_atac.atac_pio_cap = 0;
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sc->wdc_chanlist[0] = &sc->ata_channel;
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sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist;
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sc->sc_wdcdev.sc_atac.atac_nchannels = 1;
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sc->ata_channel.ch_channel = 0;
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sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac;
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sc->ata_channel.ch_queue = &sc->wdc_chqueue;
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wdc_init_shadow_regs(&sc->ata_channel);
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error = wdc_pcmcia_enable(self, 1);
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if (error)
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goto fail;
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/* We can enable and disable the controller. */
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sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_enable =
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wdc_pcmcia_enable;
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sc->sc_wdcdev.sc_atac.atac_atapi_adapter._generic.adapt_refcnt = 1;
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wdcattach(&sc->ata_channel);
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ata_delref(&sc->ata_channel);
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sc->sc_state = WDC_PCMCIA_ATTACHED;
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return;
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fail:
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pcmcia_function_unconfigure(pa->pf);
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}
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static int
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wdc_pcmcia_detach(struct device *self, int flags)
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{
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struct wdc_pcmcia_softc *sc = (struct wdc_pcmcia_softc *)self;
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int error;
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if (sc->sc_state != WDC_PCMCIA_ATTACHED)
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return (0);
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if ((error = wdcdetach(self, flags)) != 0)
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return (error);
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pcmcia_function_unconfigure(sc->sc_pf);
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return (0);
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}
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static int
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wdc_pcmcia_enable(struct device *self, int onoff)
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{
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struct wdc_pcmcia_softc *sc = (void *)self;
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int error;
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if (onoff) {
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/* Establish the interrupt handler. */
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sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_BIO,
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wdcintr, &sc->ata_channel);
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if (!sc->sc_ih)
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return (EIO);
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error = pcmcia_function_enable(sc->sc_pf);
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if (error) {
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pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
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sc->sc_ih = 0;
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return (error);
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}
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} else {
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pcmcia_function_disable(sc->sc_pf);
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pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
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sc->sc_ih = 0;
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}
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return (0);
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}
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static void
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wdc_pcmcia_datain_memory(struct ata_channel *chp, int flags, void *buf,
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size_t len)
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{
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struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp);
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while (len > 0) {
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size_t n;
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n = min(len, 1024);
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if ((flags & DRIVE_CAP32) && (n & 3) == 0)
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bus_space_read_region_stream_4(wdr->data32iot,
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wdr->data32ioh, 0, buf, n >> 2);
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else
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bus_space_read_region_stream_2(wdr->data32iot,
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wdr->data32ioh, 0, buf, n >> 1);
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buf = (char *)buf + n;
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len -= n;
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}
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}
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static void
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wdc_pcmcia_dataout_memory(struct ata_channel *chp, int flags, void *buf,
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size_t len)
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{
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struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp);
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while (len > 0) {
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size_t n;
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n = min(len, 1024);
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if ((flags & DRIVE_CAP32) && (n & 3) == 0)
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bus_space_write_region_stream_4(wdr->data32iot,
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wdr->data32ioh, 0, buf, n >> 2);
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else
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bus_space_write_region_stream_2(wdr->data32iot,
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wdr->data32ioh, 0, buf, n >> 1);
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buf = (char *)buf + n;
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len -= n;
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}
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}
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