ixpide.c revision 1.10
1 /* $NetBSD: ixpide.c,v 1.10 2007/09/10 10:35:54 cube Exp $ */ 2 3 /* 4 * Copyright (c) 2004 The NetBSD Foundation. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of The NetBSD Foundation nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: ixpide.c,v 1.10 2007/09/10 10:35:54 cube Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 38 #include <dev/pci/pcivar.h> 39 #include <dev/pci/pcidevs.h> 40 #include <dev/pci/pciidereg.h> 41 #include <dev/pci/pciidevar.h> 42 #include <dev/pci/pciide_ixp_reg.h> 43 44 static int ixpide_match(struct device *, struct cfdata *, void *); 45 static void ixpide_attach(struct device *, struct device *, void *); 46 47 static void ixp_chip_map(struct pciide_softc *, struct pci_attach_args *); 48 static void ixp_setup_channel(struct ata_channel *); 49 50 CFATTACH_DECL(ixpide, sizeof(struct pciide_softc), 51 ixpide_match, ixpide_attach, NULL, NULL); 52 53 static const char ixpdesc[] = "ATI Technologies IXP IDE Controller"; 54 55 static const struct pciide_product_desc pciide_ixpide_products[] = { 56 { PCI_PRODUCT_ATI_IXP_IDE_200, 0, ixpdesc, ixp_chip_map }, 57 { PCI_PRODUCT_ATI_IXP_IDE_300, 0, ixpdesc, ixp_chip_map }, 58 { PCI_PRODUCT_ATI_IXP_IDE_400, 0, ixpdesc, ixp_chip_map }, 59 { PCI_PRODUCT_ATI_IXP_IDE_600, 0, ixpdesc, ixp_chip_map }, 60 { PCI_PRODUCT_ATI_SB400_SATA_1, 0, ixpdesc, ixp_chip_map }, 61 { PCI_PRODUCT_ATI_SB400_SATA_2, 0, ixpdesc, ixp_chip_map }, 62 { PCI_PRODUCT_ATI_SB600_SATA_1, 0, ixpdesc, ixp_chip_map }, 63 { PCI_PRODUCT_ATI_SB600_SATA_2, 0, ixpdesc, ixp_chip_map }, 64 { 0, 0, NULL, NULL } 65 }; 66 67 static int 68 ixpide_match(struct device *parent, struct cfdata *cfdata, 69 void *aux) 70 { 71 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 72 73 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ATI && 74 PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && 75 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE && 76 pciide_lookup_product(pa->pa_id, pciide_ixpide_products)) 77 return (2); 78 return (0); 79 } 80 81 static void 82 ixpide_attach(struct device *parent, struct device *self, void *aux) 83 { 84 struct pci_attach_args *pa = aux; 85 struct pciide_softc *sc = (struct pciide_softc *)self; 86 87 pciide_common_attach(sc, pa, 88 pciide_lookup_product(pa->pa_id, pciide_ixpide_products)); 89 } 90 91 static void 92 ixp_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) 93 { 94 struct pciide_channel *cp; 95 int channel; 96 pcireg_t interface; 97 bus_size_t cmdsize, ctlsize; 98 99 if (pciide_chipen(sc, pa) == 0) 100 return; 101 102 aprint_verbose("%s: bus-master DMA support present", 103 sc->sc_wdcdev.sc_atac.atac_dev.dv_xname); 104 pciide_mapreg_dma(sc, pa); 105 aprint_verbose("\n"); 106 107 sc->sc_wdcdev.sc_atac.atac_cap = ATAC_CAP_DATA16 | ATAC_CAP_DATA32; 108 if (sc->sc_dma_ok) { 109 sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA; 110 sc->sc_wdcdev.irqack = pciide_irqack; 111 } 112 113 sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; 114 sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; 115 sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; 116 sc->sc_wdcdev.sc_atac.atac_set_modes = ixp_setup_channel; 117 sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; 118 sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS; 119 120 interface = PCI_INTERFACE(pa->pa_class); 121 122 wdc_allocate_regs(&sc->sc_wdcdev); 123 124 for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels; 125 channel++) { 126 cp = &sc->pciide_channels[channel]; 127 if (pciide_chansetup(sc, channel, interface) == 0) 128 continue; 129 pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, 130 pciide_pci_intr); 131 } 132 } 133 134 /* Values from linux driver */ 135 static const uint8_t ixp_pio_timings[] = { 136 0x5d, 0x47, 0x34, 0x22, 0x20 137 }; 138 139 static const uint8_t ixp_mdma_timings[] = { 140 0x77, 0x21, 0x20 141 }; 142 143 static void 144 ixp_setup_channel(struct ata_channel *chp) 145 { 146 int drive, s; 147 struct pciide_channel *cp = CHAN_TO_PCHAN(chp); 148 pcireg_t udma, mdma_timing, pio, pio_timing; 149 struct ata_drive_datas *drvp; 150 struct pciide_softc *sc = CHAN_TO_PCIIDE(chp); 151 152 pio_timing = pci_conf_read(sc->sc_pc, sc->sc_tag, IXP_PIO_TIMING); 153 pio = pci_conf_read(sc->sc_pc, sc->sc_tag, IXP_PIO_CTL); 154 mdma_timing = pci_conf_read(sc->sc_pc, sc->sc_tag, IXP_MDMA_TIMING); 155 udma = pci_conf_read(sc->sc_pc, sc->sc_tag, IXP_UDMA_CTL); 156 157 pciide_channel_dma_setup(cp); 158 159 for (drive = 0; drive < 2; drive++) { 160 drvp = &chp->ch_drive[drive]; 161 if ((drvp->drive_flags & DRIVE) == 0) 162 continue; 163 if (drvp->drive_flags & DRIVE_UDMA) { 164 s = splbio(); 165 drvp->drive_flags &= ~DRIVE_DMA; 166 splx(s); 167 IXP_UDMA_ENABLE(udma, chp->ch_channel, drive); 168 IXP_SET_MODE(udma, chp->ch_channel, drive, drvp->UDMA_mode); 169 } else if (drvp->drive_flags & DRIVE_DMA) { 170 IXP_UDMA_DISABLE(udma, chp->ch_channel, drive); 171 IXP_SET_TIMING(mdma_timing, chp->ch_channel, drive, 172 ixp_mdma_timings[drvp->DMA_mode]); 173 } else 174 IXP_UDMA_DISABLE(udma, chp->ch_channel, drive); 175 176 /* 177 * Set PIO mode and timings 178 * Linux driver avoids PIO mode 1, let's do it too. 179 */ 180 if (drvp->PIO_mode == 1) 181 drvp->PIO_mode = 0; 182 183 IXP_SET_MODE(pio, chp->ch_channel, drive, drvp->PIO_mode); 184 IXP_SET_TIMING(pio_timing, chp->ch_channel, drive, 185 ixp_pio_timings[drvp->PIO_mode]); 186 } 187 pci_conf_write(sc->sc_pc, sc->sc_tag, IXP_UDMA_CTL, udma); 188 pci_conf_write(sc->sc_pc, sc->sc_tag, IXP_MDMA_TIMING, mdma_timing); 189 pci_conf_write(sc->sc_pc, sc->sc_tag, IXP_PIO_CTL, pio); 190 pci_conf_write(sc->sc_pc, sc->sc_tag, IXP_PIO_TIMING, pio_timing); 191 ATADEBUG_PRINT(("ixp_setup_channel: udma = %08x, mdma_timing = %08x, pio_mode = %08x," 192 " pio_timing = %08x\n", udma, mdma_timing, pio, pio_timing), DEBUG_PROBE); 193 } 194
Indexes created Tue Sep 23 07:09:52 GMT 2025