| 1 | /* $NetBSD: acardide.c,v 1.31 2013/10/07 19:51:55 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 1.31 2013/10/07 19:51:55 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*, const 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, pciide_detach, 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, const 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 | sc->sc_wdcdev.wdc_maxdrives = 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, pciide_pci_intr); |
| 171 | } |
| 172 | if (!ACARD_IS_850(sc)) { |
| 173 | u_int32_t reg; |
| 174 | reg = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL); |
| 175 | reg &= ~ATP860_CTRL_INT; |
| 176 | pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, reg); |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | static void |
| 181 | acard_setup_channel(struct ata_channel *chp) |
| 182 | { |
| 183 | struct ata_drive_datas *drvp; |
| 184 | struct atac_softc *atac = chp->ch_atac; |
| 185 | struct pciide_channel *cp = CHAN_TO_PCHAN(chp); |
| 186 | struct pciide_softc *sc = CHAN_TO_PCIIDE(chp); |
| 187 | int channel = chp->ch_channel; |
| 188 | int drive, s; |
| 189 | u_int32_t idetime, udma_mode; |
| 190 | u_int32_t idedma_ctl; |
| 191 | |
| 192 | /* setup DMA if needed */ |
| 193 | pciide_channel_dma_setup(cp); |
| 194 | |
| 195 | if (ACARD_IS_850(sc)) { |
| 196 | idetime = 0; |
| 197 | udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP850_UDMA); |
| 198 | udma_mode &= ~ATP850_UDMA_MASK(channel); |
| 199 | } else { |
| 200 | idetime = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_IDETIME); |
| 201 | idetime &= ~ATP860_SETTIME_MASK(channel); |
| 202 | udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_UDMA); |
| 203 | udma_mode &= ~ATP860_UDMA_MASK(channel); |
| 204 | |
| 205 | /* check 80 pins cable */ |
| 206 | if ((chp->ch_drive[0].drive_flags & ATA_DRIVE_UDMA) || |
| 207 | (chp->ch_drive[1].drive_flags & ATA_DRIVE_UDMA)) { |
| 208 | if (pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) |
| 209 | & ATP860_CTRL_80P(chp->ch_channel)) { |
| 210 | if (chp->ch_drive[0].UDMA_mode > 2) |
| 211 | chp->ch_drive[0].UDMA_mode = 2; |
| 212 | if (chp->ch_drive[1].UDMA_mode > 2) |
| 213 | chp->ch_drive[1].UDMA_mode = 2; |
| 214 | } |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | idedma_ctl = 0; |
| 219 | |
| 220 | /* Per drive settings */ |
| 221 | for (drive = 0; drive < 2; drive++) { |
| 222 | drvp = &chp->ch_drive[drive]; |
| 223 | /* If no drive, skip */ |
| 224 | if (drvp->drive_type == ATA_DRIVET_NONE) |
| 225 | continue; |
| 226 | /* add timing values, setup DMA if needed */ |
| 227 | if ((atac->atac_cap & ATAC_CAP_UDMA) && |
| 228 | (drvp->drive_flags & ATA_DRIVE_UDMA)) { |
| 229 | /* use Ultra/DMA */ |
| 230 | if (ACARD_IS_850(sc)) { |
| 231 | idetime |= ATP850_SETTIME(drive, |
| 232 | acard_act_udma[drvp->UDMA_mode], |
| 233 | acard_rec_udma[drvp->UDMA_mode]); |
| 234 | udma_mode |= ATP850_UDMA_MODE(channel, drive, |
| 235 | acard_udma_conf[drvp->UDMA_mode]); |
| 236 | } else { |
| 237 | idetime |= ATP860_SETTIME(channel, drive, |
| 238 | acard_act_udma[drvp->UDMA_mode], |
| 239 | acard_rec_udma[drvp->UDMA_mode]); |
| 240 | udma_mode |= ATP860_UDMA_MODE(channel, drive, |
| 241 | acard_udma_conf[drvp->UDMA_mode]); |
| 242 | } |
| 243 | idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); |
| 244 | } else if ((atac->atac_cap & ATAC_CAP_DMA) && |
| 245 | (drvp->drive_flags & ATA_DRIVE_DMA)) { |
| 246 | /* use Multiword DMA */ |
| 247 | s = splbio(); |
| 248 | drvp->drive_flags &= ~ATA_DRIVE_UDMA; |
| 249 | splx(s); |
| 250 | if (ACARD_IS_850(sc)) { |
| 251 | idetime |= ATP850_SETTIME(drive, |
| 252 | acard_act_dma[drvp->DMA_mode], |
| 253 | acard_rec_dma[drvp->DMA_mode]); |
| 254 | } else { |
| 255 | idetime |= ATP860_SETTIME(channel, drive, |
| 256 | acard_act_dma[drvp->DMA_mode], |
| 257 | acard_rec_dma[drvp->DMA_mode]); |
| 258 | } |
| 259 | idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); |
| 260 | } else { |
| 261 | /* PIO only */ |
| 262 | s = splbio(); |
| 263 | drvp->drive_flags &= ~(ATA_DRIVE_UDMA | ATA_DRIVE_DMA); |
| 264 | splx(s); |
| 265 | if (ACARD_IS_850(sc)) { |
| 266 | idetime |= ATP850_SETTIME(drive, |
| 267 | acard_act_pio[drvp->PIO_mode], |
| 268 | acard_rec_pio[drvp->PIO_mode]); |
| 269 | } else { |
| 270 | idetime |= ATP860_SETTIME(channel, drive, |
| 271 | acard_act_pio[drvp->PIO_mode], |
| 272 | acard_rec_pio[drvp->PIO_mode]); |
| 273 | } |
| 274 | pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, |
| 275 | pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) |
| 276 | | ATP8x0_CTRL_EN(channel)); |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | if (idedma_ctl != 0) { |
| 281 | /* Add software bits in status register */ |
| 282 | bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0, |
| 283 | idedma_ctl); |
| 284 | } |
| 285 | |
| 286 | if (ACARD_IS_850(sc)) { |
| 287 | pci_conf_write(sc->sc_pc, sc->sc_tag, |
| 288 | ATP850_IDETIME(channel), idetime); |
| 289 | pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_UDMA, udma_mode); |
| 290 | } else { |
| 291 | pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_IDETIME, idetime); |
| 292 | pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_UDMA, udma_mode); |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | #if 0 /* XXX !! */ |
| 297 | static int |
| 298 | acard_pci_intr(void *arg) |
| 299 | { |
| 300 | struct pciide_softc *sc = arg; |
| 301 | struct pciide_channel *cp; |
| 302 | struct ata_channel *wdc_cp; |
| 303 | int rv = 0; |
| 304 | int dmastat, i, crv; |
| 305 | |
| 306 | for (i = 0; i < sc->sc_wdcdev.sc_atac.atac_nchannels; i++) { |
| 307 | cp = &sc->pciide_channels[i]; |
| 308 | dmastat = bus_space_read_1(sc->sc_dma_iot, |
| 309 | cp->dma_iohs[IDEDMA_CTL], 0); |
| 310 | if ((dmastat & IDEDMA_CTL_INTR) == 0) |
| 311 | continue; |
| 312 | wdc_cp = &cp->ata_channel; |
| 313 | if ((wdc_cp->ch_flags & ATACH_IRQ_WAIT) == 0) { |
| 314 | (void)wdcintr(wdc_cp); |
| 315 | bus_space_write_1(sc->sc_dma_iot, |
| 316 | cp->dma_iohs[IDEDMA_CTL], 0, dmastat); |
| 317 | continue; |
| 318 | } |
| 319 | crv = wdcintr(wdc_cp); |
| 320 | if (crv == 0) { |
| 321 | printf("%s:%d: bogus intr\n" , |
| 322 | device_xname(sc->sc_wdcdev.sc_atac.atac_dev), i); |
| 323 | bus_space_write_1(sc->sc_dma_iot, |
| 324 | cp->dma_iohs[IDEDMA_CTL], 0, dmastat); |
| 325 | } else if (crv == 1) |
| 326 | rv = 1; |
| 327 | else if (rv == 0) |
| 328 | rv = crv; |
| 329 | } |
| 330 | return rv; |
| 331 | } |
| 332 | #endif |
| 333 | |