1 /* $NetBSD: acardide.c,v 1.24 2010/11/05 18:07:24 jakllsch Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Izumi Tsutsui. 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: acardide.c,v 1.24 2010/11/05 18:07:24 jakllsch Exp $"); 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 33 #include <dev/pci/pcivar.h> 34 #include <dev/pci/pcidevs.h> 35 #include <dev/pci/pciidereg.h> 36 #include <dev/pci/pciidevar.h> 37 #include <dev/pci/pciide_acard_reg.h> 38 39 static void acard_chip_map(struct pciide_softc*, struct pci_attach_args*); 40 static void acard_setup_channel(struct ata_channel*); 41 #if 0 /* XXX !! */ 42 static int acard_pci_intr(void *); 43 #endif 44 45 static int acardide_match(device_t, cfdata_t, void *); 46 static void acardide_attach(device_t, device_t, void *); 47 48 CFATTACH_DECL_NEW(acardide, sizeof(struct pciide_softc), 49 acardide_match, acardide_attach, NULL, NULL); 50 51 static const struct pciide_product_desc pciide_acard_products[] = { 52 { PCI_PRODUCT_ACARD_ATP850U, 53 0, 54 "Acard ATP850U Ultra33 IDE Controller", 55 acard_chip_map, 56 }, 57 { PCI_PRODUCT_ACARD_ATP860, 58 0, 59 "Acard ATP860 Ultra66 IDE Controller", 60 acard_chip_map, 61 }, 62 { PCI_PRODUCT_ACARD_ATP860A, 63 0, 64 "Acard ATP860-A Ultra66 IDE Controller", 65 acard_chip_map, 66 }, 67 { PCI_PRODUCT_ACARD_ATP865, 68 0, 69 "Acard ATP865 Ultra133 IDE Controller", 70 acard_chip_map, 71 }, 72 { PCI_PRODUCT_ACARD_ATP865A, 73 0, 74 "Acard ATP865-A Ultra133 IDE Controller", 75 acard_chip_map, 76 }, 77 { 0, 78 0, 79 NULL, 80 NULL 81 } 82 }; 83 84 static int 85 acardide_match(device_t parent, cfdata_t match, void *aux) 86 { 87 struct pci_attach_args *pa = aux; 88 89 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ACARD) { 90 if (pciide_lookup_product(pa->pa_id, pciide_acard_products)) 91 return (2); 92 } 93 return (0); 94 } 95 96 static void 97 acardide_attach(device_t parent, device_t self, void *aux) 98 { 99 struct pci_attach_args *pa = aux; 100 struct pciide_softc *sc = device_private(self); 101 102 sc->sc_wdcdev.sc_atac.atac_dev = 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; 118 119 if (pciide_chipen(sc, pa) == 0) 120 return; 121 122 /* 123 * when the chip is in native mode it identifies itself as a 124 * 'misc mass storage'. Fake interface in this case. 125 */ 126 if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { 127 interface = PCI_INTERFACE(pa->pa_class); 128 } else { 129 interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | 130 PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); 131 } 132 133 aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev, 134 "bus-master DMA support present"); 135 pciide_mapreg_dma(sc, pa); 136 aprint_verbose("\n"); 137 sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32; 138 139 if (sc->sc_dma_ok) { 140 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA; 141 sc->sc_wdcdev.irqack = pciide_irqack; 142 } 143 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; 144 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; 145 switch (sc->sc_pp->ide_product) { 146 case PCI_PRODUCT_ACARD_ATP860: 147 case PCI_PRODUCT_ACARD_ATP860A: 148 sc->sc_wdcdev.sc_atac.atac_udma_cap = 4; 149 break; 150 case PCI_PRODUCT_ACARD_ATP865: 151 case PCI_PRODUCT_ACARD_ATP865A: 152 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 153 break; 154 default: 155 sc->sc_wdcdev.sc_atac.atac_udma_cap = 2; 156 break; 157 } 158 159 sc->sc_wdcdev.sc_atac.atac_set_modes = acard_setup_channel; 160 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; 161 sc->sc_wdcdev.sc_atac.atac_nchannels = 2; 162 163 wdc_allocate_regs(&sc->sc_wdcdev); 164 165 for (i = 0; i < sc->sc_wdcdev.sc_atac.atac_nchannels; i++) { 166 cp = &sc->pciide_channels[i]; 167 if (pciide_chansetup(sc, i, interface) == 0) 168 continue; 169 pciide_mapchan(pa, cp, interface, pciide_pci_intr); 170 } 171 if (!ACARD_IS_850(sc)) { 172 u_int32_t reg; 173 reg = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL); 174 reg &= ~ATP860_CTRL_INT; 175 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, reg); 176 } 177 } 178 179 static void 180 acard_setup_channel(struct ata_channel *chp) 181 { 182 struct ata_drive_datas *drvp; 183 struct atac_softc *atac = chp->ch_atac; 184 struct pciide_channel *cp = CHAN_TO_PCHAN(chp); 185 struct pciide_softc *sc = CHAN_TO_PCIIDE(chp); 186 int channel = chp->ch_channel; 187 int drive, s; 188 u_int32_t idetime, udma_mode; 189 u_int32_t idedma_ctl; 190 191 /* setup DMA if needed */ 192 pciide_channel_dma_setup(cp); 193 194 if (ACARD_IS_850(sc)) { 195 idetime = 0; 196 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP850_UDMA); 197 udma_mode &= ~ATP850_UDMA_MASK(channel); 198 } else { 199 idetime = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_IDETIME); 200 idetime &= ~ATP860_SETTIME_MASK(channel); 201 udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_UDMA); 202 udma_mode &= ~ATP860_UDMA_MASK(channel); 203 204 /* check 80 pins cable */ 205 if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA) || 206 (chp->ch_drive[1].drive_flags & DRIVE_UDMA)) { 207 if (pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) 208 & ATP860_CTRL_80P(chp->ch_channel)) { 209 if (chp->ch_drive[0].UDMA_mode > 2) 210 chp->ch_drive[0].UDMA_mode = 2; 211 if (chp->ch_drive[1].UDMA_mode > 2) 212 chp->ch_drive[1].UDMA_mode = 2; 213 } 214 } 215 } 216 217 idedma_ctl = 0; 218 219 /* Per drive settings */ 220 for (drive = 0; drive < 2; drive++) { 221 drvp = &chp->ch_drive[drive]; 222 /* If no drive, skip */ 223 if ((drvp->drive_flags & DRIVE) == 0) 224 continue; 225 /* add timing values, setup DMA if needed */ 226 if ((atac->atac_cap & ATAC_CAP_UDMA) && 227 (drvp->drive_flags & DRIVE_UDMA)) { 228 /* use Ultra/DMA */ 229 if (ACARD_IS_850(sc)) { 230 idetime |= ATP850_SETTIME(drive, 231 acard_act_udma[drvp->UDMA_mode], 232 acard_rec_udma[drvp->UDMA_mode]); 233 udma_mode |= ATP850_UDMA_MODE(channel, drive, 234 acard_udma_conf[drvp->UDMA_mode]); 235 } else { 236 idetime |= ATP860_SETTIME(channel, drive, 237 acard_act_udma[drvp->UDMA_mode], 238 acard_rec_udma[drvp->UDMA_mode]); 239 udma_mode |= ATP860_UDMA_MODE(channel, drive, 240 acard_udma_conf[drvp->UDMA_mode]); 241 } 242 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 243 } else if ((atac->atac_cap & ATAC_CAP_DMA) && 244 (drvp->drive_flags & DRIVE_DMA)) { 245 /* use Multiword DMA */ 246 s = splbio(); 247 drvp->drive_flags &= ~DRIVE_UDMA; 248 splx(s); 249 if (ACARD_IS_850(sc)) { 250 idetime |= ATP850_SETTIME(drive, 251 acard_act_dma[drvp->DMA_mode], 252 acard_rec_dma[drvp->DMA_mode]); 253 } else { 254 idetime |= ATP860_SETTIME(channel, drive, 255 acard_act_dma[drvp->DMA_mode], 256 acard_rec_dma[drvp->DMA_mode]); 257 } 258 idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); 259 } else { 260 /* PIO only */ 261 s = splbio(); 262 drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA); 263 splx(s); 264 if (ACARD_IS_850(sc)) { 265 idetime |= ATP850_SETTIME(drive, 266 acard_act_pio[drvp->PIO_mode], 267 acard_rec_pio[drvp->PIO_mode]); 268 } else { 269 idetime |= ATP860_SETTIME(channel, drive, 270 acard_act_pio[drvp->PIO_mode], 271 acard_rec_pio[drvp->PIO_mode]); 272 } 273 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, 274 pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) 275 | ATP8x0_CTRL_EN(channel)); 276 } 277 } 278 279 if (idedma_ctl != 0) { 280 /* Add software bits in status register */ 281 bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0, 282 idedma_ctl); 283 } 284 285 if (ACARD_IS_850(sc)) { 286 pci_conf_write(sc->sc_pc, sc->sc_tag, 287 ATP850_IDETIME(channel), idetime); 288 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_UDMA, udma_mode); 289 } else { 290 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_IDETIME, idetime); 291 pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_UDMA, udma_mode); 292 } 293 } 294 295 #if 0 /* XXX !! */ 296 static int 297 acard_pci_intr(void *arg) 298 { 299 struct pciide_softc *sc = arg; 300 struct pciide_channel *cp; 301 struct ata_channel *wdc_cp; 302 int rv = 0; 303 int dmastat, i, crv; 304 305 for (i = 0; i < sc->sc_wdcdev.sc_atac.atac_nchannels; i++) { 306 cp = &sc->pciide_channels[i]; 307 dmastat = bus_space_read_1(sc->sc_dma_iot, 308 cp->dma_iohs[IDEDMA_CTL], 0); 309 if ((dmastat & IDEDMA_CTL_INTR) == 0) 310 continue; 311 wdc_cp = &cp->ata_channel; 312 if ((wdc_cp->ch_flags & ATACH_IRQ_WAIT) == 0) { 313 (void)wdcintr(wdc_cp); 314 bus_space_write_1(sc->sc_dma_iot, 315 cp->dma_iohs[IDEDMA_CTL], 0, dmastat); 316 continue; 317 } 318 crv = wdcintr(wdc_cp); 319 if (crv == 0) { 320 printf("%s:%d: bogus intr\n", 321 device_xname(sc->sc_wdcdev.sc_atac.atac_dev), i); 322 bus_space_write_1(sc->sc_dma_iot, 323 cp->dma_iohs[IDEDMA_CTL], 0, dmastat); 324 } else if (crv == 1) 325 rv = 1; 326 else if (rv == 0) 327 rv = crv; 328 } 329 return rv; 330 } 331 #endif 332