sys/dev/disk/nata/ata-chipset.c

   1 /*-
   2  * Copyright (c) 1998 - 2006 Søren Schmidt <sos@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer,
  10  *    without modification, immediately at the beginning of the file.
  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  * $FreeBSD: src/sys/dev/ata/ata-chipset.c,v 1.196 2007/04/08 19:18:51 sos Exp $
  27  */
  28
  29 #include "opt_ata.h"
  30
  31 #include <sys/param.h>
  32 #include <sys/bus.h>
  33 #include <sys/bus_dma.h>
  34 #include <sys/bus_resource.h>
  35 #include <sys/callout.h>
  36 #include <sys/endian.h>
  37 #include <sys/libkern.h>
  38 #include <sys/malloc.h>
  39 #include <sys/nata.h>
  40 #include <sys/queue.h>
  41 #include <sys/rman.h>
  42 #include <sys/systm.h>
  43 #include <sys/taskqueue.h>
  44 #include <sys/machintr.h>
  45
  46 #include <machine/bus_dma.h>
  47
  48 #include <bus/pci/pcireg.h>
  49 #include <bus/pci/pcivar.h>
  50
  51 #include "ata-all.h"
  52 #include "ata-pci.h"
  53 #include "ata_if.h"
  54
  55 /* ATA_NO_SMTH helper */
  56 #define ATA_IDENT_DUMMY(name) int ata_ ## name ## _ident        \
  57                                 (device_t x __unused){return 1;}
  58
  59 /* local prototypes */
  60 /* ata-chipset.c */
  61 static int ata_generic_chipinit(device_t dev);
  62 static void ata_generic_setmode(device_t dev, int mode);
  63
  64 #if !defined(ATA_NO_AHCI)
  65 /* used by ata-{ahci,acerlabs,ati,intel,jmicron,via}.c */
  66 static int ata_ahci_chipinit(device_t dev);
  67
  68 /* used by ata-ahci.c and ata-jmicron.c */
  69 static int ata_ahci_allocate(device_t dev);
  70 static void ata_ahci_dmainit(device_t dev);
  71 static void ata_ahci_reset(device_t dev);
  72 #endif
  73
  74 #if !defined(ATA_NO_MARVELL)
  75 /* ata-adaptec.c depends on ata-marwell.c */
  76 static int ata_marvell_edma_chipinit(device_t dev);
  77 #endif
  78
  79 #if !defined(ATA_NO_SILICONIMAGE)
  80 /* ata-ati.c depends on ata-siliconimage.c */
  81 /* used by ata-ati.c and ata-siliconimage.c */
  82 static int ata_sii_chipinit(device_t dev);
  83 #endif
  84
  85
  86 /*
  87  * ahci capable chipset support functions (needed for some vendor chipsets)
  88  */
  89 #if !defined(ATA_NO_AHCI)
  90 #include "chipsets/ata-ahci.c"
  91 #else
  92 ATA_IDENT_DUMMY(ahci)
  93 #endif
  94
  95 /*
  96  * various vendor specific chipset support functions
  97  */
  98 #if !defined(ATA_NO_ACARD)
  99 #include "chipsets/ata-acard.c"
 100 #else
 101 ATA_IDENT_DUMMY(acard)
 102 #endif
 103
 104 #if !defined(ATA_NO_ACERLABS) && !defined(ATA_NO_AHCI)
 105 #include "chipsets/ata-acerlabs.c"
 106 #else
 107 ATA_IDENT_DUMMY(ali)
 108 #endif
 109
 110 #if !defined(ATA_NO_AMD)
 111 #include "chipsets/ata-amd.c"
 112 #else
 113 ATA_IDENT_DUMMY(amd)
 114 #endif
 115
 116 #if !defined(ATA_NO_AHCI) && !defined(ATA_NO_SILICONIMAGE)
 117 #include "chipsets/ata-ati.c"
 118 #else
 119 ATA_IDENT_DUMMY(ati)
 120 #endif
 121
 122 #if !defined(ATA_NO_CYPRESS)
 123 #include "chipsets/ata-cypress.c"
 124 #else
 125 ATA_IDENT_DUMMY(cypress)
 126 #endif
 127
 128 #if !defined(ATA_NO_CYRIX)
 129 #include "chipsets/ata-cyrix.c"
 130 #else
 131 ATA_IDENT_DUMMY(cyrix)
 132 #endif
 133
 134 #if !defined(ATA_NO_HIGHPOINT)
 135 #include "chipsets/ata-highpoint.c"
 136 #else
 137 ATA_IDENT_DUMMY(highpoint)
 138 #endif
 139
 140 #if !defined(ATA_NO_INTEL) && !defined(ATA_NO_AHCI)
 141 #include "chipsets/ata-intel.c"
 142 #else
 143 ATA_IDENT_DUMMY(intel)
 144 #endif
 145
 146 #if !defined(ATA_NO_ITE)
 147 #include "chipsets/ata-ite.c"
 148 #else
 149 ATA_IDENT_DUMMY(ite)
 150 #endif
 151
 152 #if !defined(ATA_NO_JMICRON) && !defined(ATA_NO_AHCI)
 153 #include "chipsets/ata-jmicron.c"
 154 #else
 155 ATA_IDENT_DUMMY(jmicron)
 156 #endif
 157
 158 #if !defined(ATA_NO_MARVELL)
 159 #include "chipsets/ata-adaptec.c"
 160 #include "chipsets/ata-marvell.c"
 161 #else
 162 ATA_IDENT_DUMMY(adaptec)
 163 ATA_IDENT_DUMMY(marvell)
 164 #endif
 165
 166 #if !defined(ATA_NO_NATIONAL)
 167 #include "chipsets/ata-national.c"
 168 #else
 169 ATA_IDENT_DUMMY(national)
 170 #endif
 171
 172 #if !defined(ATA_NO_NETCELL)
 173 #include "chipsets/ata-netcell.c"
 174 #else
 175 ATA_IDENT_DUMMY(netcell)
 176 #endif
 177
 178 #if !defined(ATA_NO_NVIDIA)
 179 #include "chipsets/ata-nvidia.c"
 180 #else
 181 ATA_IDENT_DUMMY(nvidia)
 182 #endif
 183
 184 #if !defined(ATA_NO_PROMISE)
 185 #include "chipsets/ata-promise.c"
 186 #else
 187 ATA_IDENT_DUMMY(promise)
 188 #endif
 189
 190 #if !defined(ATA_NO_SERVERWORKS)
 191 #include "chipsets/ata-serverworks.c"
 192 #else
 193 ATA_IDENT_DUMMY(serverworks)
 194 #endif
 195
 196 #if !defined(ATA_NO_SILICONIMAGE)
 197 #include "chipsets/ata-siliconimage.c"
 198 #else
 199 ATA_IDENT_DUMMY(sii)
 200 #endif
 201
 202 #if !defined(ATA_NO_SIS)
 203 #include "chipsets/ata-sis.c"
 204 #else
 205 ATA_IDENT_DUMMY(sis)
 206 #endif
 207
 208 #if !defined(ATA_NO_VIA) && !defined(ATA_NO_AHCI)
 209 #include "chipsets/ata-via.c"
 210 #else
 211 ATA_IDENT_DUMMY(via)
 212 #endif
 213
 214 /*
 215  * various vendor specific chipset support functions based on generic ATA
 216  */
 217
 218 #include "chipsets/ata-cenatek.c"
 219 #include "chipsets/ata-micron.c"
 220
 221 /*
 222  * generic ATA support functions
 223  */
 224 int
 225 ata_generic_ident(device_t dev)
 226 {
 227     struct ata_pci_controller *ctlr = device_get_softc(dev);
 228     char buffer[64];
 229
 230     ksnprintf(buffer, sizeof(buffer),
 231               "%s ATA controller", ata_pcivendor2str(dev));
 232     device_set_desc_copy(dev, buffer);
 233     ctlr->chipinit = ata_generic_chipinit;
 234     return 0;
 235 }
 236
 237 static int
 238 ata_generic_chipinit(device_t dev)
 239 {
 240     struct ata_pci_controller *ctlr = device_get_softc(dev);
 241
 242     if (ata_setup_interrupt(dev, ata_generic_intr))
 243         return ENXIO;
 244     ctlr->setmode = ata_generic_setmode;
 245     return 0;
 246 }
 247
 248 static void
 249 ata_generic_setmode(device_t dev, int mode)
 250 {
 251     struct ata_device *atadev = device_get_softc(dev);
 252
 253     mode = ata_limit_mode(dev, mode, ATA_UDMA2);
 254     mode = ata_check_80pin(dev, mode);
 255     if (!ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode))
 256         atadev->mode = mode;
 257 }