wdc_acafh.c revision 1.3.10.3
1 1.3.10.2 tls /* $NetBSD: wdc_acafh.c,v 1.3.10.3 2017/12/03 11:35:48 jdolecek Exp $ */ 2 1.3.10.2 tls 3 1.3.10.2 tls /*- 4 1.3.10.2 tls * Copyright (c) 2000, 2003, 2013 The NetBSD Foundation, Inc. 5 1.3.10.2 tls * All rights reserved. 6 1.3.10.2 tls * 7 1.3.10.2 tls * This code is derived from software contributed to The NetBSD Foundation 8 1.3.10.2 tls * by Radoslaw Kujawa. 9 1.3.10.2 tls * 10 1.3.10.2 tls * This code is derived from software contributed to The NetBSD Foundation 11 1.3.10.2 tls * by Michael L. Hitch. 12 1.3.10.2 tls * 13 1.3.10.2 tls * Redistribution and use in source and binary forms, with or without 14 1.3.10.2 tls * modification, are permitted provided that the following conditions 15 1.3.10.2 tls * are met: 16 1.3.10.2 tls * 1. Redistributions of source code must retain the above copyright 17 1.3.10.2 tls * notice, this list of conditions and the following disclaimer. 18 1.3.10.2 tls * 2. Redistributions in binary form must reproduce the above copyright 19 1.3.10.2 tls * notice, this list of conditions and the following disclaimer in the 20 1.3.10.2 tls * documentation and/or other materials provided with the distribution. 21 1.3.10.2 tls * 22 1.3.10.2 tls * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 1.3.10.2 tls * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 1.3.10.2 tls * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 1.3.10.2 tls * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 1.3.10.2 tls * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 1.3.10.2 tls * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 1.3.10.2 tls * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 1.3.10.2 tls * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 1.3.10.2 tls * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 1.3.10.2 tls * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 1.3.10.2 tls * POSSIBILITY OF SUCH DAMAGE. 33 1.3.10.2 tls */ 34 1.3.10.2 tls 35 1.3.10.2 tls /* 36 1.3.10.2 tls * ACA500 CF (IDE) controller driver. 37 1.3.10.2 tls * 38 1.3.10.2 tls * The hardware emulates original A600/A1200 Gayle interface. However, it has 39 1.3.10.2 tls * two channels, second channel placed instead of ctl registers (so software 40 1.3.10.2 tls * reset of the bus is not possible, duh). There are no slave devices. 41 1.3.10.2 tls */ 42 1.3.10.2 tls 43 1.3.10.2 tls #include <sys/cdefs.h> 44 1.3.10.2 tls __KERNEL_RCSID(0, "$NetBSD: wdc_acafh.c,v 1.3.10.3 2017/12/03 11:35:48 jdolecek Exp $"); 45 1.3.10.2 tls 46 1.3.10.2 tls #include <sys/types.h> 47 1.3.10.2 tls #include <sys/param.h> 48 1.3.10.2 tls #include <sys/systm.h> 49 1.3.10.2 tls #include <sys/malloc.h> 50 1.3.10.2 tls #include <sys/device.h> 51 1.3.10.2 tls #include <sys/bus.h> 52 1.3.10.2 tls 53 1.3.10.2 tls #include <machine/cpu.h> 54 1.3.10.2 tls #include <machine/intr.h> 55 1.3.10.2 tls #include <sys/bswap.h> 56 1.3.10.2 tls 57 1.3.10.2 tls #include <amiga/amiga/cia.h> 58 1.3.10.2 tls #include <amiga/amiga/custom.h> 59 1.3.10.2 tls #include <amiga/amiga/device.h> 60 1.3.10.2 tls #include <amiga/amiga/gayle.h> 61 1.3.10.2 tls #include <amiga/dev/zbusvar.h> 62 1.3.10.2 tls #include <amiga/dev/acafhvar.h> 63 1.3.10.2 tls #include <amiga/dev/acafhreg.h> 64 1.3.10.2 tls 65 1.3.10.2 tls #include <dev/ata/atavar.h> 66 1.3.10.2 tls #include <dev/ic/wdcvar.h> 67 1.3.10.2 tls 68 1.3.10.2 tls #define WDC_ACAFH_SLOTS 2 69 1.3.10.2 tls 70 1.3.10.2 tls struct wdc_acafh_slot { 71 1.3.10.2 tls struct ata_channel channel; 72 1.3.10.2 tls struct wdc_regs wdr; 73 1.3.10.2 tls }; 74 1.3.10.2 tls 75 1.3.10.2 tls struct wdc_acafh_softc { 76 1.3.10.2 tls struct wdc_softc sc_wdcdev; 77 1.3.10.2 tls struct ata_channel *sc_chanlist[WDC_ACAFH_SLOTS]; 78 1.3.10.2 tls struct wdc_acafh_slot sc_slots[WDC_ACAFH_SLOTS]; 79 1.3.10.2 tls 80 1.3.10.2 tls struct isr sc_isr; 81 1.3.10.2 tls 82 1.3.10.2 tls struct bus_space_tag cmd_iot; 83 1.3.10.2 tls 84 1.3.10.2 tls struct acafh_softc *aca_sc; 85 1.3.10.2 tls }; 86 1.3.10.2 tls 87 1.3.10.2 tls int wdc_acafh_match(device_t, cfdata_t, void *); 88 1.3.10.2 tls void wdc_acafh_attach(device_t, device_t, void *); 89 1.3.10.2 tls int wdc_acafh_intr(void *); 90 1.3.10.2 tls static void wdc_acafh_attach_channel(struct wdc_acafh_softc *, int); 91 1.3.10.2 tls static void wdc_acafh_map_channel(struct wdc_acafh_softc *, int); 92 1.3.10.2 tls 93 1.3.10.2 tls CFATTACH_DECL_NEW(wdc_acafh, sizeof(struct wdc_acafh_softc), 94 1.3.10.2 tls wdc_acafh_match, wdc_acafh_attach, NULL, NULL); 95 1.3.10.2 tls 96 1.3.10.2 tls int 97 1.3.10.2 tls wdc_acafh_match(device_t parent, cfdata_t cfp, void *aux) 98 1.3.10.2 tls { 99 1.3.10.2 tls struct acafhbus_attach_args *aap = aux; 100 1.3.10.2 tls 101 1.3.10.2 tls if (strcmp(aap->aaa_name, "wdc_acafh") != 0) 102 1.3.10.2 tls return(0); 103 1.3.10.2 tls return 1; 104 1.3.10.2 tls } 105 1.3.10.2 tls 106 1.3.10.2 tls void 107 1.3.10.2 tls wdc_acafh_attach(device_t parent, device_t self, void *aux) 108 1.3.10.2 tls { 109 1.3.10.2 tls struct wdc_acafh_softc *sc = device_private(self); 110 1.3.10.2 tls int i; 111 1.3.10.2 tls 112 1.3.10.2 tls aprint_normal(": ACA500 CompactFlash interface\n"); 113 1.3.10.2 tls sc->aca_sc = device_private(parent); 114 1.3.10.2 tls 115 1.3.10.2 tls gayle_init(); 116 1.3.10.2 tls 117 1.3.10.2 tls /* XXX: take addr from attach args? */ 118 1.3.10.2 tls sc->cmd_iot.base = (u_long) ztwomap(GAYLE_IDE_BASE + 2); 119 1.3.10.2 tls sc->cmd_iot.absm = &amiga_bus_stride_4swap; 120 1.3.10.2 tls 121 1.3.10.2 tls sc->sc_wdcdev.sc_atac.atac_dev = self; 122 1.3.10.2 tls sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16; 123 1.3.10.2 tls sc->sc_wdcdev.sc_atac.atac_pio_cap = 0; 124 1.3.10.2 tls sc->sc_wdcdev.sc_atac.atac_channels = sc->sc_chanlist; 125 1.3.10.2 tls sc->sc_wdcdev.sc_atac.atac_nchannels = WDC_ACAFH_SLOTS; 126 1.3.10.2 tls sc->sc_wdcdev.wdc_maxdrives = 2; 127 1.3.10.2 tls sc->sc_wdcdev.cap = WDC_CAPABILITY_NO_AUXCTL; 128 1.3.10.2 tls 129 1.3.10.2 tls wdc_allocate_regs(&sc->sc_wdcdev); 130 1.3.10.2 tls for (i = 0; i < WDC_ACAFH_SLOTS; i++) { 131 1.3.10.2 tls wdc_acafh_attach_channel(sc, i); 132 1.3.10.2 tls } 133 1.3.10.2 tls 134 1.3.10.2 tls sc->sc_isr.isr_intr = wdc_acafh_intr; 135 1.3.10.2 tls sc->sc_isr.isr_arg = sc; 136 1.3.10.2 tls sc->sc_isr.isr_ipl = 2; 137 1.3.10.2 tls add_isr (&sc->sc_isr); 138 1.3.10.2 tls 139 1.3.10.2 tls gayle_intr_enable_set(GAYLE_INT_IDE); 140 1.3.10.2 tls 141 1.3.10.2 tls } 142 1.3.10.2 tls 143 1.3.10.2 tls void 144 1.3.10.2 tls wdc_acafh_attach_channel(struct wdc_acafh_softc *sc, int chnum) 145 1.3.10.2 tls { 146 1.3.10.3 jdolecek #ifdef WDC_ACAFH_DEBUG 147 1.3.10.3 jdolecek device_t self; 148 1.3.10.3 jdolecek 149 1.3.10.3 jdolecek self = sc->sc_wdcdev.sc_atac.atac_dev; 150 1.3.10.3 jdolecek #endif /* WDC_ACAFH_DEBUG */ 151 1.3.10.3 jdolecek 152 1.3.10.2 tls sc->sc_chanlist[chnum] = &sc->sc_slots[chnum].channel; 153 1.3.10.2 tls memset(&sc->sc_slots[chnum],0,sizeof(struct wdc_acafh_slot)); 154 1.3.10.2 tls sc->sc_slots[chnum].channel.ch_channel = chnum; 155 1.3.10.2 tls sc->sc_slots[chnum].channel.ch_atac = &sc->sc_wdcdev.sc_atac; 156 1.3.10.2 tls 157 1.3.10.2 tls wdc_acafh_map_channel(sc, chnum); 158 1.3.10.2 tls 159 1.3.10.3 jdolecek wdc_init_shadow_regs(CHAN_TO_WDC_REGS(&sc->sc_slots[chnum].channel)); 160 1.3.10.2 tls wdcattach(&sc->sc_slots[chnum].channel); 161 1.3.10.2 tls 162 1.3.10.2 tls #ifdef WDC_ACAFH_DEBUG 163 1.3.10.3 jdolecek aprint_normal_dev(self, "done init for channel %d\n", chnum); 164 1.3.10.2 tls #endif /* WDC_ACAFH_DEBUG */ 165 1.3.10.2 tls } 166 1.3.10.2 tls 167 1.3.10.2 tls void 168 1.3.10.2 tls wdc_acafh_map_channel(struct wdc_acafh_softc *sc, int chnum) 169 1.3.10.2 tls { 170 1.3.10.2 tls struct wdc_regs *wdr; 171 1.3.10.2 tls bus_addr_t off; 172 1.3.10.3 jdolecek device_t self; 173 1.3.10.3 jdolecek int i; 174 1.3.10.3 jdolecek 175 1.3.10.3 jdolecek self = sc->sc_wdcdev.sc_atac.atac_dev; 176 1.3.10.2 tls 177 1.3.10.2 tls wdr = CHAN_TO_WDC_REGS(&sc->sc_slots[chnum].channel); 178 1.3.10.2 tls wdr->cmd_iot = &sc->cmd_iot; 179 1.3.10.2 tls 180 1.3.10.2 tls if (chnum == 0) 181 1.3.10.2 tls off = 0; 182 1.3.10.2 tls else 183 1.3.10.2 tls off = 0x400; 184 1.3.10.2 tls 185 1.3.10.2 tls if (bus_space_map(wdr->cmd_iot, off, 0x40, 0, 186 1.3.10.2 tls &wdr->cmd_baseioh)) { 187 1.3.10.3 jdolecek aprint_error_dev(self, "couldn't map regs\n"); 188 1.3.10.2 tls return; 189 1.3.10.2 tls } 190 1.3.10.2 tls 191 1.3.10.2 tls for (i = 0; i < WDC_NREG; i++) { 192 1.3.10.2 tls if (bus_space_subregion(wdr->cmd_iot, 193 1.3.10.2 tls wdr->cmd_baseioh, i, i == 0 ? 4 : 1, 194 1.3.10.2 tls &wdr->cmd_iohs[i]) != 0) { 195 1.3.10.2 tls 196 1.3.10.2 tls bus_space_unmap(wdr->cmd_iot, 197 1.3.10.2 tls wdr->cmd_baseioh, 0x40); 198 1.3.10.3 jdolecek aprint_error_dev(self, "couldn't map regs\n"); 199 1.3.10.2 tls return; 200 1.3.10.2 tls } 201 1.3.10.2 tls } 202 1.3.10.2 tls 203 1.3.10.2 tls } 204 1.3.10.2 tls 205 1.3.10.2 tls int 206 1.3.10.2 tls wdc_acafh_intr(void *arg) 207 1.3.10.2 tls { 208 1.3.10.2 tls struct wdc_acafh_softc *sc; 209 1.3.10.2 tls uint8_t intreq; 210 1.3.10.2 tls int ret; 211 1.3.10.2 tls 212 1.3.10.2 tls sc = (struct wdc_acafh_softc *) arg; 213 1.3.10.2 tls intreq = gayle_intr_status(); 214 1.3.10.2 tls ret = 0; 215 1.3.10.2 tls 216 1.3.10.2 tls if (intreq & GAYLE_INT_IDE) { 217 1.3.10.2 tls if (acafh_cf_intr_status(sc->aca_sc, 1) == 1) { 218 1.3.10.2 tls ret = wdcintr(&sc->sc_slots[1].channel); 219 1.3.10.2 tls } 220 1.3.10.2 tls if (acafh_cf_intr_status(sc->aca_sc, 0) == 1) { 221 1.3.10.2 tls ret = wdcintr(&sc->sc_slots[0].channel); 222 1.3.10.2 tls } 223 1.3.10.2 tls gayle_intr_ack(0x7C | (intreq & GAYLE_INT_IDEACK)); 224 1.3.10.2 tls } 225 1.3.10.2 tls 226 1.3.10.2 tls return ret; 227 1.3.10.2 tls } 228 1.3.10.2 tls 229
Indexes created Mon Oct 13 04:09:54 GMT 2025