wdc_obio.c revision 1.7
1 /* $NetBSD: wdc_obio.c,v 1.7 2003/10/08 11:11:06 bouyer Exp $ */ 2 3 /* 4 * Copyright (c) 2002 Takeshi Shibagaki All rights reserved. 5 * 6 * mac68k OBIO-IDE attachment created by Takeshi Shibagaki 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Charles M. Hannum. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: wdc_obio.c,v 1.7 2003/10/08 11:11:06 bouyer Exp $"); 36 37 #include <sys/types.h> 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/device.h> 41 #include <sys/malloc.h> 42 #include <sys/kernel.h> 43 #include <sys/callout.h> 44 45 #include <machine/bus.h> 46 #include <machine/intr.h> 47 #include <machine/cpu.h> 48 #include <machine/viareg.h> 49 50 #include <mac68k/obio/obiovar.h> 51 52 #include <dev/ata/atavar.h> 53 #include <dev/ic/wdcvar.h> 54 55 #define WDC_OBIO_REG_NPORTS (8<<3) 56 #define WDC_OBIO_AUXREG_OFFSET 0x38 57 #define WDC_OBIO_AUXREG_NPORTS 1 58 #define WDC_OBIO_ISR_OFFSET 0x101 59 #define WDC_OBIO_ISR_NPORTS 1 60 61 static u_long IDEBase = 0x50f1a000; 62 63 /* 64 * XXX This code currently doesn't even try to allow 32-bit data port use. 65 */ 66 67 struct wdc_obio_softc { 68 struct wdc_softc sc_wdcdev; 69 struct channel_softc *wdc_chanptr; 70 struct channel_softc wdc_channel; 71 void *sc_ih; 72 }; 73 74 int wdc_obio_match __P((struct device *, struct cfdata *, void *)); 75 void wdc_obio_attach __P((struct device *, struct device *, void *)); 76 void wdc_obio_intr __P((void *)); 77 void mac68k_bsh_wdc_set_stride __P((bus_space_tag_t t, 78 bus_space_handle_t *h, int stride)); 79 u_int16_t mac68k_bsr2_wdc_gen __P((bus_space_tag_t t, 80 bus_space_handle_t *bsh, bus_size_t offset)); 81 82 CFATTACH_DECL(wdc_obio, sizeof(struct wdc_obio_softc), 83 wdc_obio_match, wdc_obio_attach, NULL, NULL); 84 85 int 86 wdc_obio_match(parent, match, aux) 87 struct device *parent; 88 struct cfdata *match; 89 void *aux; 90 { 91 struct obio_attach_args *oa = (struct obio_attach_args *) aux; 92 struct channel_softc ch; 93 static int wdc_matched = 0; 94 int result = 0; 95 96 memset(&ch, 0, sizeof(ch)); 97 98 switch (current_mac_model->machineid) { 99 case MACH_MACPB150: 100 case MACH_MACPB190: 101 case MACH_MACPB190CS: 102 case MACH_MACP580: 103 case MACH_MACQ630: 104 ch.cmd_iot = ch.ctl_iot = oa->oa_tag; 105 106 if (bus_space_map(ch.cmd_iot, IDEBase, WDC_OBIO_REG_NPORTS, 107 0, &ch.cmd_ioh)) 108 return 0; 109 110 mac68k_bsh_wdc_set_stride(ch.cmd_iot, &ch.cmd_ioh, 4); 111 112 if (bus_space_subregion(ch.cmd_iot, ch.cmd_ioh, 113 WDC_OBIO_AUXREG_OFFSET, 114 WDC_OBIO_AUXREG_NPORTS, &ch.ctl_ioh)) 115 return 0; 116 117 result = wdcprobe(&ch); 118 119 bus_space_unmap(ch.cmd_iot, ch.cmd_ioh, WDC_OBIO_REG_NPORTS); 120 121 if (result) 122 wdc_matched = 1; 123 return (result); 124 } 125 return 0; 126 } 127 128 static bus_space_tag_t wdc_obio_isr_tag; 129 static bus_space_handle_t wdc_obio_isr_hdl; 130 static struct channel_softc *ch_sc = NULL; 131 132 void 133 wdc_obio_intr(arg) 134 void *arg; 135 { 136 unsigned char status; 137 138 status = bus_space_read_1(wdc_obio_isr_tag, 139 wdc_obio_isr_hdl, 0); 140 if (status & 0x20) { 141 wdcintr(ch_sc); 142 bus_space_write_1(wdc_obio_isr_tag, 143 wdc_obio_isr_hdl, 0, status&~0x20); 144 } 145 } 146 147 void 148 wdc_obio_attach(parent, self, aux) 149 struct device *parent; 150 struct device *self; 151 void *aux; 152 { 153 struct wdc_obio_softc *sc = (void *)self; 154 struct obio_attach_args *oa = aux; 155 struct channel_softc *chp = &sc->wdc_channel; 156 157 oa->oa_addr = IDEBase; 158 sc->wdc_channel.cmd_iot = sc->wdc_channel.ctl_iot = oa->oa_tag; 159 160 if (bus_space_map(sc->wdc_channel.cmd_iot, oa->oa_addr, 161 WDC_OBIO_REG_NPORTS, 0, &sc->wdc_channel.cmd_ioh)) { 162 printf("%s: couldn't map registers\n", 163 sc->sc_wdcdev.sc_dev.dv_xname); 164 return; 165 } 166 167 mac68k_bsh_wdc_set_stride(sc->wdc_channel.cmd_iot, 168 &sc->wdc_channel.cmd_ioh, 4); 169 170 if (bus_space_subregion(sc->wdc_channel.cmd_iot, 171 sc->wdc_channel.cmd_ioh, WDC_OBIO_AUXREG_OFFSET, 172 WDC_OBIO_AUXREG_NPORTS, 173 &sc->wdc_channel.ctl_ioh)) 174 return; 175 176 wdc_obio_isr_tag = oa->oa_tag; 177 178 if (bus_space_map(wdc_obio_isr_tag, 179 oa->oa_addr+WDC_OBIO_ISR_OFFSET, 180 WDC_OBIO_ISR_NPORTS, 0, &wdc_obio_isr_hdl)) { 181 printf("%s: couldn't map intr status register\n", 182 sc->sc_wdcdev.sc_dev.dv_xname); 183 return; 184 } 185 186 switch (current_mac_model->machineid) { 187 case MACH_MACP580: 188 case MACH_MACQ630: 189 /* 190 * Quadra/Performa IDE generates pseudo Nubus intr at slot F 191 */ 192 printf(" (Quadra/Performa series IDE interface)"); 193 194 add_nubus_intr(0xf, (void (*)(void*))wdc_obio_intr, (void *)sc); 195 196 break; 197 case MACH_MACPB150: 198 case MACH_MACPB190: 199 case MACH_MACPB190CS: 200 /* 201 * PowerBook IDE generates pseudo NuBus intr at slot C 202 */ 203 printf(" (PowerBook series IDE interface)"); 204 205 add_nubus_intr(0xc, (void (*)(void*))wdc_obio_intr, (void *)sc); 206 207 break; 208 } 209 210 ch_sc = chp; 211 if (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags & WDC_CAPABILITY_NOIRQ) 212 sc->sc_wdcdev.cap |= WDC_CAPABILITY_NOIRQ; 213 sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16; 214 sc->sc_wdcdev.PIO_cap = 0; 215 sc->wdc_chanptr = chp; 216 sc->sc_wdcdev.channels = &sc->wdc_chanptr; 217 sc->sc_wdcdev.nchannels = 1; 218 chp->channel = 0; 219 chp->wdc = &sc->sc_wdcdev; 220 chp->ch_queue = malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); 221 222 if (chp->ch_queue == NULL) { 223 printf("%s: can't allocate memory for command queue", 224 sc->sc_wdcdev.sc_dev.dv_xname); 225 return; 226 } 227 228 printf("\n"); 229 230 wdcattach(chp); 231 } 232 233 u_int16_t 234 mac68k_bsr2_wdc_gen(bus_space_tag_t t, bus_space_handle_t *bsh, bus_size_t offset) 235 { 236 return (*(volatile u_int16_t *) (bsh->base + offset * bsh->stride)); 237 } 238 239 void 240 mac68k_bsh_wdc_set_stride(bus_space_tag_t t, bus_space_handle_t *h, int stride) 241 { 242 h->stride = stride; 243 h->bsr1 = mac68k_bsr1_gen; 244 h->bsr2 = mac68k_bsr2_wdc_gen; 245 h->bsr4 = mac68k_bsr4_gen; 246 h->bsrs2 = mac68k_bsrs2_gen; 247 h->bsrs4 = mac68k_bsrs4_gen; 248 h->bsrm1 = mac68k_bsrm1_gen; 249 h->bsrm2 = mac68k_bsrm2_swap; 250 h->bsrm4 = mac68k_bsrm4_swap; 251 h->bsrms2 = mac68k_bsrm2; 252 h->bsrms4 = mac68k_bsrm4; 253 h->bsrr1 = mac68k_bsrr1_gen; 254 h->bsrr2 = mac68k_bsrr2_gen; 255 h->bsrr4 = mac68k_bsrr4_gen; 256 h->bsrrs2 = mac68k_bsrrs2_gen; 257 h->bsrrs4 = mac68k_bsrrs4_gen; 258 h->bsw1 = mac68k_bsw1_gen; 259 h->bsw2 = mac68k_bsw2_gen; 260 h->bsw4 = mac68k_bsw4_gen; 261 h->bsws2 = mac68k_bsws2_gen; 262 h->bsws4 = mac68k_bsws4_gen; 263 h->bswm2 = mac68k_bswm2_swap; 264 h->bswm4 = mac68k_bswm4_swap; 265 h->bswms2 = mac68k_bswm2; 266 h->bswms4 = mac68k_bswm4; 267 h->bswr1 = mac68k_bswr1_gen; 268 h->bswr2 = mac68k_bswr2_gen; 269 h->bswr4 = mac68k_bswr4_gen; 270 h->bswrs2 = mac68k_bswrs2_gen; 271 h->bswrs4 = mac68k_bswrs4_gen; 272 h->bssm1 = mac68k_bssm1_gen; 273 h->bssm2 = mac68k_bssm2_gen; 274 h->bssm4 = mac68k_bssm4_gen; 275 h->bssr1 = mac68k_bssr1_gen; 276 h->bssr2 = mac68k_bssr2_gen; 277 h->bssr4 = mac68k_bssr4_gen; 278 } 279
Indexes created Sun Sep 28 16:09:52 GMT 2025