wdc_acafh.c revision 1.1
1 /* $NetBSD: wdc_acafh.c,v 1.1 2013/12/22 02:21:51 rkujawa Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2003, 2013 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Radoslaw Kujawa. 9 * 10 * This code is derived from software contributed to The NetBSD Foundation 11 * by Michael L. Hitch. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: wdc_acafh.c,v 1.1 2013/12/22 02:21:51 rkujawa Exp $"); 37 38 #include <sys/types.h> 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/malloc.h> 42 #include <sys/device.h> 43 #include <sys/bus.h> 44 45 #include <machine/cpu.h> 46 #include <machine/intr.h> 47 #include <sys/bswap.h> 48 49 #include <amiga/amiga/cia.h> 50 #include <amiga/amiga/custom.h> 51 #include <amiga/amiga/device.h> 52 #include <amiga/amiga/gayle.h> 53 #include <amiga/dev/zbusvar.h> 54 #include <amiga/dev/acafhvar.h> 55 56 #include <dev/ata/atavar.h> 57 #include <dev/ic/wdcvar.h> 58 59 struct wdc_acafh_softc { 60 struct wdc_softc sc_wdcdev; 61 struct ata_channel *sc_chanlist[1]; 62 struct ata_channel sc_channel; 63 struct ata_queue sc_chqueue; 64 struct wdc_regs sc_wdc_regs; 65 struct isr sc_isr; 66 volatile u_char *sc_intreg; 67 struct bus_space_tag cmd_iot; 68 struct bus_space_tag ctl_iot; 69 struct acafh_softc *aca_sc; 70 }; 71 72 int wdc_acafh_match(device_t, cfdata_t, void *); 73 void wdc_acafh_attach(device_t, device_t, void *); 74 int wdc_acafh_intr(void *); 75 76 CFATTACH_DECL_NEW(wdc_acafh, sizeof(struct wdc_acafh_softc), 77 wdc_acafh_match, wdc_acafh_attach, NULL, NULL); 78 79 int 80 wdc_acafh_match(device_t parent, cfdata_t cfp, void *aux) 81 { 82 struct acafhbus_attach_args *aap = aux; 83 84 if (strcmp(aap->aaa_name, "wdc_acafh") != 0) 85 return(0); 86 return 1; 87 } 88 89 void 90 wdc_acafh_attach(device_t parent, device_t self, void *aux) 91 { 92 struct wdc_acafh_softc *sc = device_private(self); 93 struct wdc_regs *wdr; 94 int i; 95 96 aprint_normal("\n"); 97 gayle_init(); 98 99 sc->aca_sc = device_private(parent); 100 101 sc->sc_wdcdev.sc_atac.atac_dev = self; 102 sc->sc_wdcdev.regs = wdr = &sc->sc_wdc_regs; 103 104 sc->cmd_iot.base = (u_long) ztwomap(0xda0000 + 2); 105 gayle_init(); 106 sc->sc_intreg = &gayle.intreq; 107 108 sc->cmd_iot.absm = sc->ctl_iot.absm = &amiga_bus_stride_4swap; 109 wdr->cmd_iot = &sc->cmd_iot; 110 wdr->ctl_iot = &sc->ctl_iot; 111 112 if (bus_space_map(wdr->cmd_iot, 0, 0x40, 0, 113 &wdr->cmd_baseioh)) { 114 aprint_error_dev(self, "couldn't map registers\n"); 115 return; 116 } 117 118 for (i = 0; i < WDC_NREG; i++) { 119 if (bus_space_subregion(wdr->cmd_iot, 120 wdr->cmd_baseioh, i, i == 0 ? 4 : 1, 121 &wdr->cmd_iohs[i]) != 0) { 122 123 bus_space_unmap(wdr->cmd_iot, 124 wdr->cmd_baseioh, 0x40); 125 aprint_error_dev(self, "couldn't map registers\n"); 126 return; 127 } 128 } 129 130 if (bus_space_subregion(wdr->cmd_iot, 131 wdr->cmd_baseioh, 0x406, 1, &wdr->ctl_ioh)) 132 return; 133 134 sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16; 135 sc->sc_wdcdev.sc_atac.atac_pio_cap = 0; 136 sc->sc_chanlist[0] = &sc->sc_channel; 137 sc->sc_wdcdev.sc_atac.atac_channels = sc->sc_chanlist; 138 sc->sc_wdcdev.sc_atac.atac_nchannels = 1; 139 sc->sc_wdcdev.wdc_maxdrives = 2; 140 sc->sc_channel.ch_channel = 0; 141 sc->sc_channel.ch_atac = &sc->sc_wdcdev.sc_atac; 142 sc->sc_channel.ch_queue = &sc->sc_chqueue; 143 144 wdc_init_shadow_regs(&sc->sc_channel); 145 146 sc->sc_isr.isr_intr = wdc_acafh_intr; 147 sc->sc_isr.isr_arg = sc; 148 sc->sc_isr.isr_ipl = 2; 149 add_isr (&sc->sc_isr); 150 151 gayle.intena |= GAYLE_INT_IDE; 152 153 wdcattach(&sc->sc_channel); 154 } 155 156 int 157 wdc_acafh_intr(void *arg) 158 { 159 struct wdc_acafh_softc *sc = (struct wdc_acafh_softc *)arg; 160 int ret = 0; 161 u_char intreq = *sc->sc_intreg; 162 163 if (intreq & GAYLE_INT_IDE) { 164 /* 165 if (acafh_cf_intr_status(sc->aca_sc, 1) == 1) 166 aprint_normal_dev(sc->aca_sc->sc_dev, "intr at slot 1\n"); 167 if (acafh_cf_intr_status(sc->aca_sc, 0) == 1) 168 aprint_normal_dev(sc->aca_sc->sc_dev, "intr at slot 0\n"); 169 */ 170 ret = wdcintr(&sc->sc_channel); 171 gayle.intreq = 0x7c | (intreq & 0x03); 172 } 173 174 return ret; 175 } 176 177
Indexes created Wed Oct 01 07:09:59 GMT 2025