acardide.c revision 1.16
1 /* $NetBSD: acardide.c,v 1.16 2005/05/24 05:25:15 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Izumi Tsutsui. 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 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: acardide.c,v 1.16 2005/05/24 05:25:15 lukem Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 35 #include <dev/pci/pcivar.h> 36 #include <dev/pci/pcidevs.h> 37 #include <dev/pci/pciidereg.h> 38 #include <dev/pci/pciidevar.h> 39 #include <dev/pci/pciide_acard_reg.h> 40 41 static void acard_chip_map(struct pciide_softc*, struct pci_attach_args*); 42 static void acard_setup_channel(struct ata_channel*); 43 #if 0 /* XXX !! */ 44 static int acard_pci_intr(void *); 45 #endif 46 47 static int acardide_match(struct device *, struct cfdata *, void *); 48 static void acardide_attach(struct device *, struct device *, void *); 49 50 CFATTACH_DECL(acardide, sizeof(struct pciide_softc), 51 acardide_match, acardide_attach, NULL, NULL); 52 53 static const struct pciide_product_desc pciide_acard_products[] = { 54 { PCI_PRODUCT_ACARD_ATP850U, 55 0, 56 "Acard ATP850U Ultra33 IDE Controller", 57 acard_chip_map, 58 }, 59 { PCI_PRODUCT_ACARD_ATP860, 60 0, 61 "Acard ATP860 Ultra66 IDE Controller", 62 acard_chip_map, 63 }, 64 { PCI_PRODUCT_ACARD_ATP860A, 65 0, 66 "Acard ATP860-A Ultra66 IDE Controller", 67 acard_chip_map, 68 }, 69 { PCI_PRODUCT_ACARD_ATP865, 70 0, 71 "Acard ATP865 Ultra100 IDE Controller", 72 acard_chip_map, 73 }, 74 { PCI_PRODUCT_ACARD_ATP865A, 75 0, 76 "Acard ATP865-A Ultra100 IDE Controller", 77 acard_chip_map, 78 }, 79 { 0, 80 0, 81 NULL, 82 NULL 83 } 84 }; 85 86 static int 87 acardide_match(struct device *parent, struct cfdata *match, void *aux) 88 { 89 struct pci_attach_args *pa = aux; 90 91 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ACARD) { 92 if (pciide_lookup_product(pa->pa_id, pciide_acard_products)) 93 return (2); 94 } 95 return (0); 96 } 97 98 static void 99 acardide_attach(struct device *parent, struct device *self, void *aux) 100 { 101 struct pci_attach_args *pa = aux; 102 struct pciide_softc *sc = (struct pciide_softc *)self; 103 104 pciide_common_attach(sc, pa, 105 pciide_lookup_product(pa->pa_id, pciide_acard_products)); 106 107 } 108 109 #define ACARD_IS_850(sc) \ 110 ((sc)->sc_pp->ide_product == PCI_PRODUCT_ACARD_ATP850U) 111 112 static void 113 acard_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) 114 { 115 struct pciide_channel *cp; 116 int i; 117 pcireg_t interface; 118 bus_size_t cmdsize, ctlsize; 119 120 if (pciide_chipen(sc, pa) == 0) 121 return; 122 123 /* 124 * when the chip is in native mode it identifies itself as a 125 * 'misc mass storage'. Fake interface in this case. 126 */ 127 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 128 interface = PCI_INTERFACE(pa->pa_class); 129 } else { 130 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 131 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 132 } 133 134 aprint_normal("%s: bus-master DMA support present", 135 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname); 136 pciide_mapreg_dma(sc, pa); 137 aprint_normal("\n"); 138 sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32; 139 140 if (sc->sc_dma_ok) { 141 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA; 142 sc->sc_wdcdev.irqack = pciide_irqack; 143 } 144 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; 145 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; 146 switch (sc->sc_pp->ide_product) { 147 case PCI_PRODUCT_ACARD_ATP860: 148 case PCI_PRODUCT_ACARD_ATP860A: 149 sc->sc_wdcdev.sc_atac.atac_udma_cap = 4; 150 break; 151 case PCI_PRODUCT_ACARD_ATP865: 152 case PCI_PRODUCT_ACARD_ATP865A: 153 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 154 break; 155 default: 156 sc->sc_wdcdev.sc_atac.atac_udma_cap = 2; 157 break; 158 } 159 160 sc->sc_wdcdev.sc_atac.atac_set_modes = acard_setup_channel; 161 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; 162 sc->sc_wdcdev.sc_atac.atac_nchannels = 2; 163 164 wdc_allocate_regs(&sc->sc_wdcdev); 165 166 for (i = 0; i < sc->sc_wdcdev.sc_atac.atac_nchannels; i++) { 167 cp = &sc->pciide_channels[i]; 168 if (pciide_chansetup(sc, i, interface) == 0) 169 continue; 170 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 171 pciide_pci_intr); 172 } 173 if (!ACARD_IS_850(sc)) { 174 u_int32_t reg; 175 reg = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL); 176 reg &= ~ATP860_CTRL_INT; 177 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, reg); 178 } 179 } 180 181 static void 182 acard_setup_channel(struct ata_channel *chp) 183 { 184 struct ata_drive_datas *drvp; 185 struct atac_softc *atac = chp->ch_atac; 186 struct pciide_channel *cp = CHAN_TO_PCHAN(chp); 187 struct pciide_softc *sc = CHAN_TO_PCIIDE(chp); 188 int channel = chp->ch_channel; 189 int drive, s; 190 u_int32_t idetime, udma_mode; 191 u_int32_t idedma_ctl; 192 193 /* setup DMA if needed */ 194 pciide_channel_dma_setup(cp); 195 196 if (ACARD_IS_850(sc)) { 197 idetime = 0; 198 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP850_UDMA); 199 udma_mode &= ~ATP850_UDMA_MASK(channel); 200 } else { 201 idetime = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_IDETIME); 202 idetime &= ~ATP860_SETTIME_MASK(channel); 203 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_UDMA); 204 udma_mode &= ~ATP860_UDMA_MASK(channel); 205 206 /* check 80 pins cable */ 207 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA) || 208 (chp->ch_drive[1].drive_flags & DRIVE_UDMA)) { 209 if (pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) 210 & ATP860_CTRL_80P(chp->ch_channel)) { 211 if (chp->ch_drive[0].UDMA_mode > 2) 212 chp->ch_drive[0].UDMA_mode = 2; 213 if (chp->ch_drive[1].UDMA_mode > 2) 214 chp->ch_drive[1].UDMA_mode = 2; 215 } 216 } 217 } 218 219 idedma_ctl = 0; 220 221 /* Per drive settings */ 222 for (drive = 0; drive < 2; drive++) { 223 drvp = &chp->ch_drive[drive]; 224 /* If no drive, skip */ 225 if ((drvp->drive_flags & DRIVE) == 0) 226 continue; 227 /* add timing values, setup DMA if needed */ 228 if ((atac->atac_cap & ATAC_CAP_UDMA) && 229 (drvp->drive_flags & DRIVE_UDMA)) { 230 /* use Ultra/DMA */ 231 if (ACARD_IS_850(sc)) { 232 idetime |= ATP850_SETTIME(drive, 233 acard_act_udma[drvp->UDMA_mode], 234 acard_rec_udma[drvp->UDMA_mode]); 235 udma_mode |= ATP850_UDMA_MODE(channel, drive, 236 acard_udma_conf[drvp->UDMA_mode]); 237 } else { 238 idetime |= ATP860_SETTIME(channel, drive, 239 acard_act_udma[drvp->UDMA_mode], 240 acard_rec_udma[drvp->UDMA_mode]); 241 udma_mode |= ATP860_UDMA_MODE(channel, drive, 242 acard_udma_conf[drvp->UDMA_mode]); 243 } 244 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 245 } else if ((atac->atac_cap & ATAC_CAP_DMA) && 246 (drvp->drive_flags & DRIVE_DMA)) { 247 /* use Multiword DMA */ 248 s = splbio(); 249 drvp->drive_flags &= ~DRIVE_UDMA; 250 splx(s); 251 if (ACARD_IS_850(sc)) { 252 idetime |= ATP850_SETTIME(drive, 253 acard_act_dma[drvp->DMA_mode], 254 acard_rec_dma[drvp->DMA_mode]); 255 } else { 256 idetime |= ATP860_SETTIME(channel, drive, 257 acard_act_dma[drvp->DMA_mode], 258 acard_rec_dma[drvp->DMA_mode]); 259 } 260 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 261 } else { 262 /* PIO only */ 263 s = splbio(); 264 drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA); 265 splx(s); 266 if (ACARD_IS_850(sc)) { 267 idetime |= ATP850_SETTIME(drive, 268 acard_act_pio[drvp->PIO_mode], 269 acard_rec_pio[drvp->PIO_mode]); 270 } else { 271 idetime |= ATP860_SETTIME(channel, drive, 272 acard_act_pio[drvp->PIO_mode], 273 acard_rec_pio[drvp->PIO_mode]); 274 } 275 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, 276 pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) 277 | ATP8x0_CTRL_EN(channel)); 278 } 279 } 280 281 if (idedma_ctl != 0) { 282 /* Add software bits in status register */ 283 bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0, 284 idedma_ctl); 285 } 286 287 if (ACARD_IS_850(sc)) { 288 pci_conf_write(sc->sc_pc, sc->sc_tag, 289 ATP850_IDETIME(channel), idetime); 290 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_UDMA, udma_mode); 291 } else { 292 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_IDETIME, idetime); 293 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_UDMA, udma_mode); 294 } 295 } 296 297 #if 0 /* XXX !! */ 298 static int 299 acard_pci_intr(void *arg) 300 { 301 struct pciide_softc *sc = arg; 302 struct pciide_channel *cp; 303 struct ata_channel *wdc_cp; 304 int rv = 0; 305 int dmastat, i, crv; 306 307 for (i = 0; i < sc->sc_wdcdev.sc_atac.atac_nchannels; i++) { 308 cp = &sc->pciide_channels[i]; 309 dmastat = bus_space_read_1(sc->sc_dma_iot, 310 cp->dma_iohs[IDEDMA_CTL], 0); 311 if ((dmastat & IDEDMA_CTL_INTR) == 0) 312 continue; 313 wdc_cp = &cp->ata_channel; 314 if ((wdc_cp->ch_flags & ATACH_IRQ_WAIT) == 0) { 315 (void)wdcintr(wdc_cp); 316 bus_space_write_1(sc->sc_dma_iot, 317 cp->dma_iohs[IDEDMA_CTL], 0, dmastat); 318 continue; 319 } 320 crv = wdcintr(wdc_cp); 321 if (crv == 0) { 322 printf("%s:%d: bogus intr\n", 323 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname, i); 324 bus_space_write_1(sc->sc_dma_iot, 325 cp->dma_iohs[IDEDMA_CTL], 0, dmastat); 326 } else if (crv == 1) 327 rv = 1; 328 else if (rv == 0) 329 rv = crv; 330 } 331 return rv; 332 } 333 #endif 334
Indexes created Mon Sep 22 13:09:51 GMT 2025