wdc_pnpbus.c revision 1.3
1 /* $NetBSD: wdc_pnpbus.c,v 1.3 2006/03/29 04:16:47 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum and by Onno van der Linden. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: wdc_pnpbus.c,v 1.3 2006/03/29 04:16:47 thorpej Exp $"); 41 42 #include <sys/types.h> 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 #include <sys/malloc.h> 47 48 #include <machine/bus.h> 49 #include <machine/intr.h> 50 #include <machine/isa_machdep.h> 51 52 #include <dev/ata/atavar.h> 53 #include <dev/ic/wdcvar.h> 54 55 #include <prep/pnpbus/pnpbusvar.h> 56 57 /* options passed via the 'flags' config keyword */ 58 #define WDC_OPTIONS_32 0x01 /* try to use 32bit data I/O */ 59 60 struct wdc_pnpbus_softc { 61 struct wdc_softc sc_wdcdev; 62 struct ata_channel *sc_chanlist[1]; 63 struct ata_channel sc_channel; 64 struct ata_queue sc_chqueue; 65 struct wdc_regs sc_wdc_regs; 66 void *sc_ih; 67 }; 68 69 static int wdc_pnpbus_probe(struct device *, struct cfdata *, void *); 70 static void wdc_pnpbus_attach(struct device *, struct device *, void *); 71 72 CFATTACH_DECL(wdc_pnpbus, sizeof(struct wdc_pnpbus_softc), 73 wdc_pnpbus_probe, wdc_pnpbus_attach, NULL, NULL); 74 75 static int 76 wdc_pnpbus_probe(struct device *parent, struct cfdata *match, void *aux) 77 { 78 struct pnpbus_dev_attach_args *pna = aux; 79 int ret = 0; 80 81 if (strcmp(pna->pna_devid, "PNP0600") == 0) 82 ret = 1; 83 84 if (ret) 85 pnpbus_scan(pna, pna->pna_ppc_dev); 86 87 return ret; 88 } 89 90 static void 91 wdc_pnpbus_attach(struct device *parent, struct device *self, void *aux) 92 { 93 struct wdc_pnpbus_softc *sc = (void *)self; 94 struct wdc_regs *wdr; 95 struct pnpbus_dev_attach_args *pna = aux; 96 int cmd_iobase, cmd_len, aux_iobase, aux_len, i; 97 98 sc->sc_wdcdev.regs = wdr = &sc->sc_wdc_regs; 99 100 wdr->cmd_iot = pna->pna_iot; 101 wdr->ctl_iot = pna->pna_iot; 102 pnpbus_getioport(&pna->pna_res, 0, &cmd_iobase, &cmd_len); 103 pnpbus_getioport(&pna->pna_res, 1, &aux_iobase, &aux_len); 104 105 if (pnpbus_io_map(&pna->pna_res, 0, &wdr->cmd_iot, &wdr->cmd_baseioh) || 106 pnpbus_io_map(&pna->pna_res, 1, &wdr->ctl_iot, &wdr->ctl_ioh)) { 107 printf("%s: couldn't map registers\n", 108 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname); 109 } 110 111 for (i = 0; i < cmd_len; i++) { 112 if (bus_space_subregion(wdr->cmd_iot, 113 wdr->cmd_baseioh, i, i == 0 ? 4 : 1, 114 &wdr->cmd_iohs[i]) != 0) { 115 printf(": couldn't subregion registers\n"); 116 return; 117 } 118 } 119 120 wdr->data32iot = wdr->cmd_iot; 121 wdr->data32ioh = wdr->cmd_iohs[0]; 122 123 sc->sc_wdcdev.cap |= WDC_CAPABILITY_PREATA; 124 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16; 125 if (device_cfdata(&sc->sc_wdcdev.sc_atac.atac_dev)->cf_flags & 126 WDC_OPTIONS_32) 127 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32; 128 129 sc->sc_wdcdev.sc_atac.atac_pio_cap = 0; 130 sc->sc_chanlist[0] = &sc->sc_channel; 131 sc->sc_wdcdev.sc_atac.atac_channels = sc->sc_chanlist; 132 sc->sc_wdcdev.sc_atac.atac_nchannels = 1; 133 sc->sc_channel.ch_channel = 0; 134 sc->sc_channel.ch_atac = &sc->sc_wdcdev.sc_atac; 135 sc->sc_channel.ch_queue = &sc->sc_chqueue; 136 sc->sc_channel.ch_ndrive = 2; 137 wdc_init_shadow_regs(&sc->sc_channel); 138 139 sc->sc_ih = pnpbus_intr_establish(0, IPL_BIO, wdcintr, &sc->sc_channel, 140 &pna->pna_res); 141 142 wdcattach(&sc->sc_channel); 143 } 144
Indexes created Wed Oct 01 13:09:50 GMT 2025