dtide.c revision 1.4.2.3
1 1.4.2.3 nathanw /* $NetBSD: dtide.c,v 1.4.2.3 2002/10/18 02:43:36 nathanw Exp $ */ 2 1.4.2.2 nathanw 3 1.4.2.2 nathanw /*- 4 1.4.2.2 nathanw * Copyright (c) 2000, 2001 Ben Harris 5 1.4.2.2 nathanw * All rights reserved. 6 1.4.2.2 nathanw * 7 1.4.2.2 nathanw * Redistribution and use in source and binary forms, with or without 8 1.4.2.2 nathanw * modification, are permitted provided that the following conditions 9 1.4.2.2 nathanw * are met: 10 1.4.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 11 1.4.2.2 nathanw * notice, this list of conditions and the following disclaimer. 12 1.4.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 13 1.4.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 14 1.4.2.2 nathanw * documentation and/or other materials provided with the distribution. 15 1.4.2.2 nathanw * 3. The name of the author may not be used to endorse or promote products 16 1.4.2.2 nathanw * derived from this software without specific prior written permission. 17 1.4.2.2 nathanw * 18 1.4.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 1.4.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 1.4.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 1.4.2.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 1.4.2.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 1.4.2.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 1.4.2.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 1.4.2.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 1.4.2.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 1.4.2.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 1.4.2.2 nathanw */ 29 1.4.2.2 nathanw /* 30 1.4.2.2 nathanw * dtide.c - Driver for the D.T. Software IDE interface. 31 1.4.2.2 nathanw */ 32 1.4.2.2 nathanw 33 1.4.2.2 nathanw #include <sys/cdefs.h> 34 1.4.2.3 nathanw __KERNEL_RCSID(0, "$NetBSD: dtide.c,v 1.4.2.3 2002/10/18 02:43:36 nathanw Exp $"); 35 1.4.2.2 nathanw 36 1.4.2.2 nathanw #include <sys/param.h> 37 1.4.2.2 nathanw 38 1.4.2.2 nathanw #include <sys/device.h> 39 1.4.2.2 nathanw #include <sys/malloc.h> 40 1.4.2.2 nathanw #include <sys/systm.h> 41 1.4.2.2 nathanw 42 1.4.2.2 nathanw #include <machine/bus.h> 43 1.4.2.2 nathanw 44 1.4.2.2 nathanw #include <dev/podulebus/podulebus.h> 45 1.4.2.2 nathanw #include <dev/podulebus/podules.h> 46 1.4.2.2 nathanw #include <dev/podulebus/dtidereg.h> 47 1.4.2.2 nathanw 48 1.4.2.2 nathanw #include <dev/ata/atavar.h> 49 1.4.2.2 nathanw #include <dev/ic/wdcvar.h> 50 1.4.2.2 nathanw 51 1.4.2.2 nathanw struct dtide_softc { 52 1.4.2.2 nathanw struct wdc_softc sc_wdc; 53 1.4.2.2 nathanw struct channel_softc *sc_chp[DTIDE_NCHANNELS];/* pointers to sc_chan */ 54 1.4.2.2 nathanw struct channel_softc sc_chan[DTIDE_NCHANNELS]; 55 1.4.2.2 nathanw struct channel_queue sc_chq[DTIDE_NCHANNELS]; 56 1.4.2.2 nathanw bus_space_tag_t sc_magict; 57 1.4.2.2 nathanw bus_space_handle_t sc_magich; 58 1.4.2.2 nathanw }; 59 1.4.2.2 nathanw 60 1.4.2.2 nathanw static int dtide_match(struct device *, struct cfdata *, void *); 61 1.4.2.2 nathanw static void dtide_attach(struct device *, struct device *, void *); 62 1.4.2.2 nathanw 63 1.4.2.3 nathanw CFATTACH_DECL(dtide, sizeof(struct dtide_softc), 64 1.4.2.3 nathanw dtide_match, dtide_attach, NULL, NULL); 65 1.4.2.2 nathanw 66 1.4.2.2 nathanw static const int dtide_cmdoffsets[] = { DTIDE_CMDBASE0, DTIDE_CMDBASE1 }; 67 1.4.2.2 nathanw static const int dtide_ctloffsets[] = { DTIDE_CTLBASE0, DTIDE_CTLBASE1 }; 68 1.4.2.2 nathanw 69 1.4.2.2 nathanw static int 70 1.4.2.2 nathanw dtide_match(struct device *parent, struct cfdata *cf, void *aux) 71 1.4.2.2 nathanw { 72 1.4.2.2 nathanw struct podulebus_attach_args *pa = aux; 73 1.4.2.2 nathanw 74 1.4.2.2 nathanw return pa->pa_product == PODULE_DTSOFT_IDE; 75 1.4.2.2 nathanw } 76 1.4.2.2 nathanw 77 1.4.2.2 nathanw static void 78 1.4.2.2 nathanw dtide_attach(struct device *parent, struct device *self, void *aux) 79 1.4.2.2 nathanw { 80 1.4.2.2 nathanw struct podulebus_attach_args *pa = aux; 81 1.4.2.2 nathanw struct dtide_softc *sc = (void *)self; 82 1.4.2.2 nathanw int i; 83 1.4.2.2 nathanw bus_space_tag_t bst; 84 1.4.2.2 nathanw 85 1.4.2.2 nathanw sc->sc_wdc.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_NOIRQ; 86 1.4.2.2 nathanw sc->sc_wdc.PIO_cap = 0; /* XXX correct? */ 87 1.4.2.2 nathanw sc->sc_wdc.DMA_cap = 0; /* XXX correct? */ 88 1.4.2.2 nathanw sc->sc_wdc.UDMA_cap = 0; 89 1.4.2.2 nathanw sc->sc_wdc.nchannels = DTIDE_NCHANNELS; 90 1.4.2.2 nathanw sc->sc_wdc.channels = sc->sc_chp; 91 1.4.2.2 nathanw sc->sc_magict = pa->pa_fast_t; 92 1.4.2.2 nathanw bus_space_map(pa->pa_fast_t, pa->pa_fast_base + DTIDE_MAGICBASE, 0, 1, 93 1.4.2.2 nathanw &sc->sc_magich); 94 1.4.2.2 nathanw podulebus_shift_tag(pa->pa_fast_t, DTIDE_REGSHIFT, &bst); 95 1.4.2.2 nathanw printf("\n"); 96 1.4.2.2 nathanw for (i = 0; i < DTIDE_NCHANNELS; i++) { 97 1.4.2.2 nathanw sc->sc_chp[i] = &sc->sc_chan[i]; 98 1.4.2.2 nathanw sc->sc_chan[i].channel = i; 99 1.4.2.2 nathanw sc->sc_chan[i].wdc = &sc->sc_wdc; 100 1.4.2.2 nathanw sc->sc_chan[i].cmd_iot = bst; 101 1.4.2.2 nathanw sc->sc_chan[i].ctl_iot = bst; 102 1.4.2.2 nathanw sc->sc_chan[i].ch_queue = &sc->sc_chq[i]; 103 1.4.2.2 nathanw bus_space_map(pa->pa_fast_t, 104 1.4.2.2 nathanw pa->pa_fast_base + dtide_cmdoffsets[i], 0, 8, 105 1.4.2.2 nathanw &sc->sc_chan[i].cmd_ioh); 106 1.4.2.2 nathanw bus_space_map(pa->pa_fast_t, 107 1.4.2.2 nathanw pa->pa_fast_base + dtide_ctloffsets[i], 0, 8, 108 1.4.2.2 nathanw &sc->sc_chan[i].ctl_ioh); 109 1.4.2.2 nathanw wdcattach(&sc->sc_chan[i]); 110 1.4.2.2 nathanw } 111 1.4.2.2 nathanw } 112
Indexes created Wed Oct 22 13:09:56 GMT 2025