1/* $NetBSD: wdc_upc.c,v 1.25 2008/03/18 20:46:36 cube Exp $ */ 2/*- 3 * Copyright (c) 2000 Ben Harris 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28/* This file is part of NetBSD/arm26 -- a port of NetBSD to ARM2/3 machines. */ 29 30#include <sys/cdefs.h> 31__KERNEL_RCSID(0, "$NetBSD: wdc_upc.c,v 1.25 2008/03/18 20:46:36 cube Exp $"); 32 33#include <sys/param.h> 34#include <sys/device.h> 35#include <sys/malloc.h> 36#include <sys/systm.h> 37 38#include <sys/bus.h> 39#include <sys/intr.h> 40 41#include <dev/ata/atavar.h> /* XXX needed by wdcvar.h */ 42 43#include <dev/ic/upcvar.h> 44#include <dev/ic/wdcreg.h> 45#include <dev/ic/wdcvar.h> 46 47static int wdc_upc_match(device_t, cfdata_t, void *); 48static void wdc_upc_attach(device_t, device_t, void *); 49 50struct wdc_upc_softc { 51 struct wdc_softc sc_wdc; 52 struct ata_channel *sc_chanlist[1]; 53 struct ata_channel sc_channel; 54 struct ata_queue sc_chqueue; 55 struct wdc_regs sc_wdc_regs; 56}; 57 58CFATTACH_DECL_NEW(wdc_upc, sizeof(struct wdc_upc_softc), 59 wdc_upc_match, wdc_upc_attach, NULL, NULL); 60 61static int 62wdc_upc_match(device_t parent, cfdata_t cf, void *aux) 63{ 64 struct upc_attach_args *ua = aux; 65 66 return !strcmp(ua->ua_devtype, "wdc"); 67} 68 69static void 70wdc_upc_attach(device_t parent, device_t self, void *aux) 71{ 72 struct wdc_upc_softc *sc = device_private(self); 73 struct wdc_regs *wdr; 74 struct upc_attach_args *ua = aux; 75 int i; 76 77 sc->sc_wdc.sc_atac.atac_dev = self; 78 sc->sc_wdc.regs = wdr = &sc->sc_wdc_regs; 79 80 sc->sc_wdc.sc_atac.atac_cap = ATAC_CAP_DATA16; 81 sc->sc_wdc.sc_atac.atac_pio_cap = 1; /* XXX ??? */ 82 sc->sc_wdc.sc_atac.atac_nchannels = 1; 83 sc->sc_chanlist[0] = &sc->sc_channel; 84 sc->sc_wdc.sc_atac.atac_channels = sc->sc_chanlist; 85 wdr->cmd_iot = ua->ua_iot; 86 wdr->cmd_baseioh = ua->ua_ioh; 87 wdr->ctl_iot = ua->ua_iot; 88 wdr->ctl_ioh = ua->ua_ioh2; 89 sc->sc_channel.ch_channel = 0; 90 sc->sc_channel.ch_atac = &sc->sc_wdc.sc_atac; 91 sc->sc_channel.ch_queue = &sc->sc_chqueue; 92 sc->sc_channel.ch_ndrive = 2; 93 for (i = 0; i < WDC_NREG; i++) { 94 if (bus_space_subregion(ua->ua_iot, ua->ua_ioh, i, 95 i == 0 ? 4 : 1, &wdr->cmd_iohs[i]) != 0) { 96 aprint_error_dev(sc->sc_wdc.sc_atac.atac_dev, 97 "can't subregion I/O space\n"); 98 return; 99 } 100 } 101 wdc_init_shadow_regs(&sc->sc_channel); 102 103 upc_intr_establish(ua->ua_irqhandle, IPL_BIO, wdcintr, 104 &sc->sc_channel); 105 106 aprint_normal("\n"); 107 aprint_naive("\n"); 108 109 wdcattach(&sc->sc_channel); 110} 111