diff options
Diffstat (limited to 'sys/arch/landisk/dev/wdc_obio.c')
| -rw-r--r-- | sys/arch/landisk/dev/wdc_obio.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/sys/arch/landisk/dev/wdc_obio.c b/sys/arch/landisk/dev/wdc_obio.c new file mode 100644 index 00000000000..b2d7f40d8ce --- /dev/null +++ b/sys/arch/landisk/dev/wdc_obio.c @@ -0,0 +1,142 @@ +/* $OpenBSD: wdc_obio.c,v 1.1 2006/10/07 20:52:40 miod Exp $ */ +/* $NetBSD: wdc_obio.c,v 1.1 2006/09/01 21:26:18 uwe Exp $ */ + +/*- + * Copyright (c) 1998, 2003 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/param.h> +#include <sys/systm.h> +#include <sys/device.h> +#include <sys/malloc.h> + +#include <machine/bus.h> +#include <machine/intr.h> + +#include <dev/ata/atavar.h> +#include <dev/ic/wdcvar.h> + +#include <landisk/dev/obiovar.h> + +struct wdc_obio_softc { + struct wdc_softc sc_wdcdev; + struct channel_softc *sc_chanptr; + struct channel_softc sc_channel; + + void *sc_ih; +}; + +int wdc_obio_match(struct device *, void *, void *); +void wdc_obio_attach(struct device *, struct device *, void *); + +struct cfattach wdc_obio_ca = { + sizeof(struct wdc_obio_softc), wdc_obio_match, wdc_obio_attach +}; + +#define WDC_OBIO_REG_NPORTS WDC_NREG +#define WDC_OBIO_REG_SIZE (WDC_OBIO_REG_NPORTS * 2) +#define WDC_OBIO_AUXREG_NPORTS 1 +#define WDC_OBIO_AUXREG_SIZE (WDC_OBIO_AUXREG_NPORTS * 2) +#define WDC_OBIO_AUXREG_OFFSET 0x2c + +int +wdc_obio_match(struct device *parent, void *vcf, void *aux) +{ + struct obio_attach_args *oa = aux; + + if (oa->oa_nio != 1) + return (0); + if (oa->oa_nirq != 1) + return (0); + if (oa->oa_niomem != 0) + return (0); + + if (oa->oa_io[0].or_addr == IOBASEUNK) + return (0); + if (oa->oa_irq[0].or_irq == IRQUNK) + return (0); + + /* XXX should probe for hardware */ + + oa->oa_io[0].or_size = WDC_OBIO_REG_SIZE; + + return (1); +} + +void +wdc_obio_attach(struct device *parent, struct device *self, void *aux) +{ + struct wdc_obio_softc *sc = (void *)self; + struct obio_attach_args *oa = aux; + struct channel_softc *chp = &sc->sc_channel; + + printf("\n"); + + chp->cmd_iot = chp->ctl_iot = oa->oa_iot; + + if (bus_space_map(chp->cmd_iot, oa->oa_io[0].or_addr, + WDC_OBIO_REG_SIZE, 0, &chp->cmd_ioh) + || bus_space_map(chp->ctl_iot, + oa->oa_io[0].or_addr + WDC_OBIO_AUXREG_OFFSET, + WDC_OBIO_AUXREG_SIZE, 0, &chp->ctl_ioh)) { + printf(": couldn't map registers\n"); + return; + } + chp->data32iot = chp->cmd_iot; + chp->data32ioh = chp->cmd_ioh; + + sc->sc_ih = obio_intr_establish(oa->oa_irq[0].or_irq, IPL_BIO, wdcintr, + chp, self->dv_xname); + + sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_PREATA; + sc->sc_wdcdev.PIO_cap = 0; + sc->sc_chanptr = chp; + sc->sc_wdcdev.channels = &sc->sc_chanptr; + sc->sc_wdcdev.nchannels = 1; + chp->channel = 0; + chp->wdc = &sc->sc_wdcdev; + + chp->ch_queue = malloc(sizeof(struct channel_queue), M_DEVBUF, + M_NOWAIT); + if (chp->ch_queue == NULL) { + printf("%s: can't allocate memory for command queue\n", + self->dv_xname); + obio_intr_disestablish(sc->sc_ih); + return; + } + + wdcattach(chp); + wdc_print_current_modes(chp); +} |