/* $OpenBSD: wdc_isapnp.c,v 1.7 2002/03/14 01:26:56 millert Exp $ */ /* $NetBSD: wdc_isapnp.c,v 1.13 1999/03/22 10:00:12 mycroft Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum and by Onno van der Linden. * * 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 <sys/types.h> #include <sys/param.h> #include <sys/systm.h> #include <sys/device.h> #include <sys/malloc.h> #include <machine/bus.h> #include <machine/intr.h> #include <dev/isa/isavar.h> #include <dev/isa/isadmavar.h> #include <dev/ata/atavar.h> #include <dev/ic/wdcreg.h> #include <dev/ic/wdcvar.h> struct wdc_isapnp_softc { struct wdc_softc sc_wdcdev; struct channel_softc *wdc_chanptr; struct channel_softc wdc_channel; isa_chipset_tag_t sc_ic; void *sc_ih; int sc_drq; }; int wdc_isapnp_match(struct device *, void *, void *); void wdc_isapnp_attach(struct device *, struct device *, void *); struct cfattach wdc_isapnp_ca = { sizeof(struct wdc_isapnp_softc), wdc_isapnp_match, wdc_isapnp_attach }; #ifdef notyet static void wdc_isapnp_dma_setup(struct wdc_isapnp_softc *); static void wdc_isapnp_dma_start(void *, void *, size_t, int); static void wdc_isapnp_dma_finish(void *); #endif int wdc_isapnp_match(parent, match, aux) struct device *parent; void *match; void *aux; { struct isa_attach_args *ipa = aux; if (ipa->ipa_nio != 2 || ipa->ipa_nmem != 0 || ipa->ipa_nmem32 != 0 || ipa->ipa_nirq != 1 || ipa->ipa_ndrq > 1) return 0; return (1); } void wdc_isapnp_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct wdc_isapnp_softc *sc = (void *)self; struct isa_attach_args *ipa = aux; sc->wdc_channel.cmd_iot = ipa->ia_iot; sc->wdc_channel.ctl_iot = ipa->ia_iot; /* * An IDE controller can feed us the regions in any order. Pass * them along with the 8-byte region in sc_ad.ioh, and the other * (2 byte) region in auxioh. */ if (ipa->ipa_io[0].length == 8) { sc->wdc_channel.cmd_ioh = ipa->ipa_io[0].h; sc->wdc_channel.ctl_ioh = ipa->ipa_io[1].h; } else { sc->wdc_channel.cmd_ioh = ipa->ipa_io[1].h; sc->wdc_channel.ctl_ioh = ipa->ipa_io[0].h; } sc->wdc_channel.data32iot = sc->wdc_channel.cmd_iot; sc->wdc_channel.data32ioh = sc->wdc_channel.cmd_ioh; sc->sc_ic = ipa->ia_ic; sc->sc_ih = isa_intr_establish(ipa->ia_ic, ipa->ipa_irq[0].num, ipa->ipa_irq[0].type, IPL_BIO, wdcintr, &sc->wdc_channel, sc->sc_wdcdev.sc_dev.dv_xname); #ifdef notyet if (ipa->ipa_ndrq > 0) { sc->sc_drq = ipa->ipa_drq[0].num; sc->sc_ad.cap |= WDC_CAPABILITY_DMA; sc->sc_ad.dma_start = &wdc_isapnp_dma_start; sc->sc_ad.dma_finish = &wdc_isapnp_dma_finish; wdc_isapnp_dma_setup(sc); } #endif sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32; sc->sc_wdcdev.PIO_cap = 0; sc->wdc_chanptr = &sc->wdc_channel; sc->sc_wdcdev.channels = &sc->wdc_chanptr; sc->sc_wdcdev.nchannels = 1; sc->wdc_channel.channel = 0; sc->wdc_channel.wdc = &sc->sc_wdcdev; sc->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); if (sc->wdc_channel.ch_queue == NULL) { printf(": can't allocate memory for command queue\n"); return; } printf("\n"); wdcattach(&sc->wdc_channel); wdc_print_current_modes(&sc->wdc_channel); } #ifdef notyet static void wdc_isapnp_dma_setup(sc) struct wdc_isapnp_softc *sc; { if (isa_dmamap_create(sc->sc_ic, sc->sc_drq, MAXPHYS, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { printf("%s: can't create map for drq %d\n", sc->sc_wdcdev.sc_dev.dv_xname, sc->sc_drq); sc->sc_wdcdev.cap &= ~WDC_CAPABILITY_DMA; } } static void wdc_isapnp_dma_start(scv, buf, size, read) void *scv, *buf; size_t size; int read; { struct wdc_isapnp_softc *sc = scv; isa_dmastart(sc->sc_ic, sc->sc_drq, buf, size, NULL, (read ? DMAMODE_READ : DMAMODE_WRITE) | DMAMODE_DEMAND, BUS_DMA_NOWAIT); } static void wdc_isapnp_dma_finish(scv) void *scv; { struct wdc_isapnp_softc *sc = scv; isa_dmadone(sc->sc_ic, sc->sc_drq); } #endif