1 /*- 2 * ichsmb_pci.c 3 * 4 * Author: Archie Cobbs <archie@freebsd.org> 5 * Copyright (c) 2000 Whistle Communications, Inc. 6 * All rights reserved. 7 * Author: Archie Cobbs <archie@freebsd.org> 8 * 9 * Subject to the following obligations and disclaimer of warranty, use and 10 * redistribution of this software, in source or object code forms, with or 11 * without modifications are expressly permitted by Whistle Communications; 12 * provided, however, that: 13 * 1. Any and all reproductions of the source or object code must include the 14 * copyright notice above and the following disclaimer of warranties; and 15 * 2. No rights are granted, in any manner or form, to use Whistle 16 * Communications, Inc. trademarks, including the mark "WHISTLE 17 * COMMUNICATIONS" on advertising, endorsements, or otherwise except as 18 * such appears in the above copyright notice or in the software. 19 * 20 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND 21 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO 22 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, 23 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF 24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. 25 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY 26 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS 27 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. 28 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES 29 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING 30 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 31 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR 32 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 35 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 36 * OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __FBSDID("$FreeBSD$"); 41 42 /* 43 * Support for the SMBus controller logical device which is part of the 44 * Intel 81801AA/AB/BA/CA/DC/EB (ICH/ICH[02345]) I/O controller hub chips. 45 */ 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/kernel.h> 50 #include <sys/module.h> 51 #include <sys/errno.h> 52 #include <sys/lock.h> 53 #include <sys/mutex.h> 54 #include <sys/syslog.h> 55 #include <sys/bus.h> 56 57 #include <machine/bus.h> 58 #include <sys/rman.h> 59 #include <machine/resource.h> 60 61 #include <dev/pci/pcivar.h> 62 #include <dev/pci/pcireg.h> 63 64 #include <dev/smbus/smbconf.h> 65 66 #include <dev/ichsmb/ichsmb_var.h> 67 #include <dev/ichsmb/ichsmb_reg.h> 68 69 /* PCI unique identifiers */ 70 #define PCI_VENDOR_INTEL 0x8086 71 #define ID_82801AA 0x2413 72 #define ID_82801AB 0x2423 73 #define ID_82801BA 0x2443 74 #define ID_82801CA 0x2483 75 #define ID_82801DC 0x24C3 76 #define ID_82801EB 0x24D3 77 #define ID_82801FB 0x266A 78 #define ID_82801GB 0x27da 79 #define ID_82801H 0x283e 80 #define ID_82801I 0x2930 81 #define ID_EP80579 0x5032 82 #define ID_82801JI 0x3a30 83 #define ID_82801JD 0x3a60 84 #define ID_PCH 0x3b30 85 #define ID_6300ESB 0x25a4 86 #define ID_631xESB 0x269b 87 #define ID_DH89XXCC 0x2330 88 #define ID_PATSBURG 0x1d22 89 #define ID_CPT 0x1c22 90 #define ID_PPT 0x1e22 91 #define ID_AVOTON 0x1f3c 92 #define ID_COLETOCRK 0x23B0 93 #define ID_LPT 0x8c22 94 #define ID_LPTLP 0x9c22 95 #define ID_WCPT 0x8ca2 96 #define ID_WCPTLP 0x9ca2 97 #define ID_BAYTRAIL 0x0f12 98 #define ID_BRASWELL 0x2292 99 #define ID_WELLSBURG 0x8d22 100 #define ID_SRPT 0xa123 101 #define ID_SRPTLP 0x9d23 102 #define ID_DENVERTON 0x19df 103 #define ID_BROXTON 0x5ad4 104 #define ID_LEWISBURG 0xa1a3 105 #define ID_LEWISBURG2 0xa223 106 #define ID_KABYLAKE 0xa2a3 107 #define ID_CANNONLAKE 0xa323 108 109 static const struct pci_device_table ichsmb_devices[] = { 110 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801AA), 111 PCI_DESCR("Intel 82801AA (ICH) SMBus controller") }, 112 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801AB), 113 PCI_DESCR("Intel 82801AB (ICH0) SMBus controller") }, 114 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801BA), 115 PCI_DESCR("Intel 82801BA (ICH2) SMBus controller") }, 116 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801CA), 117 PCI_DESCR("Intel 82801CA (ICH3) SMBus controller") }, 118 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801DC), 119 PCI_DESCR("Intel 82801DC (ICH4) SMBus controller") }, 120 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801EB), 121 PCI_DESCR("Intel 82801EB (ICH5) SMBus controller") }, 122 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801FB), 123 PCI_DESCR("Intel 82801FB (ICH6) SMBus controller") }, 124 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801GB), 125 PCI_DESCR("Intel 82801GB (ICH7) SMBus controller") }, 126 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801H), 127 PCI_DESCR("Intel 82801H (ICH8) SMBus controller") }, 128 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801I), 129 PCI_DESCR("Intel 82801I (ICH9) SMBus controller") }, 130 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801GB), 131 PCI_DESCR("Intel 82801GB (ICH7) SMBus controller") }, 132 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801H), 133 PCI_DESCR("Intel 82801H (ICH8) SMBus controller") }, 134 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801I), 135 PCI_DESCR("Intel 82801I (ICH9) SMBus controller") }, 136 { PCI_DEV(PCI_VENDOR_INTEL, ID_EP80579), 137 PCI_DESCR("Intel EP80579 SMBus controller") }, 138 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801JI), 139 PCI_DESCR("Intel 82801JI (ICH10) SMBus controller") }, 140 { PCI_DEV(PCI_VENDOR_INTEL, ID_82801JD), 141 PCI_DESCR("Intel 82801JD (ICH10) SMBus controller") }, 142 { PCI_DEV(PCI_VENDOR_INTEL, ID_PCH), 143 PCI_DESCR("Intel PCH SMBus controller") }, 144 { PCI_DEV(PCI_VENDOR_INTEL, ID_6300ESB), 145 PCI_DESCR("Intel 6300ESB (ICH) SMBus controller") }, 146 { PCI_DEV(PCI_VENDOR_INTEL, ID_631xESB), 147 PCI_DESCR("Intel 631xESB/6321ESB (ESB2) SMBus controller") }, 148 { PCI_DEV(PCI_VENDOR_INTEL, ID_DH89XXCC), 149 PCI_DESCR("Intel DH89xxCC SMBus controller") }, 150 { PCI_DEV(PCI_VENDOR_INTEL, ID_PATSBURG), 151 PCI_DESCR("Intel Patsburg SMBus controller") }, 152 { PCI_DEV(PCI_VENDOR_INTEL, ID_CPT), 153 PCI_DESCR("Intel Cougar Point SMBus controller") }, 154 { PCI_DEV(PCI_VENDOR_INTEL, ID_PPT), 155 PCI_DESCR("Intel Panther Point SMBus controller") }, 156 { PCI_DEV(PCI_VENDOR_INTEL, ID_AVOTON), 157 PCI_DESCR("Intel Avoton SMBus controller") }, 158 { PCI_DEV(PCI_VENDOR_INTEL, ID_LPT), 159 PCI_DESCR("Intel Lynx Point SMBus controller") }, 160 { PCI_DEV(PCI_VENDOR_INTEL, ID_LPTLP), 161 PCI_DESCR("Intel Lynx Point-LP SMBus controller") }, 162 { PCI_DEV(PCI_VENDOR_INTEL, ID_WCPT), 163 PCI_DESCR("Intel Wildcat Point SMBus controller") }, 164 { PCI_DEV(PCI_VENDOR_INTEL, ID_WCPTLP), 165 PCI_DESCR("Intel Wildcat Point-LP SMBus controller") }, 166 { PCI_DEV(PCI_VENDOR_INTEL, ID_BAYTRAIL), 167 PCI_DESCR("Intel Baytrail SMBus controller") }, 168 { PCI_DEV(PCI_VENDOR_INTEL, ID_BRASWELL), 169 PCI_DESCR("Intel Braswell SMBus controller") }, 170 { PCI_DEV(PCI_VENDOR_INTEL, ID_COLETOCRK), 171 PCI_DESCR("Intel Coleto Creek SMBus controller") }, 172 { PCI_DEV(PCI_VENDOR_INTEL, ID_WELLSBURG), 173 PCI_DESCR("Intel Wellsburg SMBus controller") }, 174 { PCI_DEV(PCI_VENDOR_INTEL, ID_SRPT), 175 PCI_DESCR("Intel Sunrise Point-H SMBus controller") }, 176 { PCI_DEV(PCI_VENDOR_INTEL, ID_SRPTLP), 177 PCI_DESCR("Intel Sunrise Point-LP SMBus controller") }, 178 { PCI_DEV(PCI_VENDOR_INTEL, ID_DENVERTON), 179 PCI_DESCR("Intel Denverton SMBus controller") }, 180 { PCI_DEV(PCI_VENDOR_INTEL, ID_BROXTON), 181 PCI_DESCR("Intel Broxton SMBus controller") }, 182 { PCI_DEV(PCI_VENDOR_INTEL, ID_LEWISBURG), 183 PCI_DESCR("Intel Lewisburg SMBus controller") }, 184 { PCI_DEV(PCI_VENDOR_INTEL, ID_LEWISBURG2), 185 PCI_DESCR("Intel Lewisburg SMBus controller") }, 186 { PCI_DEV(PCI_VENDOR_INTEL, ID_KABYLAKE), 187 PCI_DESCR("Intel Kaby Lake SMBus controller") }, 188 { PCI_DEV(PCI_VENDOR_INTEL, ID_CANNONLAKE), 189 PCI_DESCR("Intel Cannon Lake SMBus controller") }, 190 }; 191 192 /* Internal functions */ 193 static int ichsmb_pci_probe(device_t dev); 194 static int ichsmb_pci_attach(device_t dev); 195 /*Use generic one for now*/ 196 #if 0 197 static int ichsmb_pci_detach(device_t dev); 198 #endif 199 200 /* Device methods */ 201 static device_method_t ichsmb_pci_methods[] = { 202 /* Device interface */ 203 DEVMETHOD(device_probe, ichsmb_pci_probe), 204 DEVMETHOD(device_attach, ichsmb_pci_attach), 205 DEVMETHOD(device_detach, ichsmb_detach), 206 207 /* SMBus methods */ 208 DEVMETHOD(smbus_callback, ichsmb_callback), 209 DEVMETHOD(smbus_quick, ichsmb_quick), 210 DEVMETHOD(smbus_sendb, ichsmb_sendb), 211 DEVMETHOD(smbus_recvb, ichsmb_recvb), 212 DEVMETHOD(smbus_writeb, ichsmb_writeb), 213 DEVMETHOD(smbus_writew, ichsmb_writew), 214 DEVMETHOD(smbus_readb, ichsmb_readb), 215 DEVMETHOD(smbus_readw, ichsmb_readw), 216 DEVMETHOD(smbus_pcall, ichsmb_pcall), 217 DEVMETHOD(smbus_bwrite, ichsmb_bwrite), 218 DEVMETHOD(smbus_bread, ichsmb_bread), 219 220 DEVMETHOD_END 221 }; 222 223 static driver_t ichsmb_pci_driver = { 224 "ichsmb", 225 ichsmb_pci_methods, 226 sizeof(struct ichsmb_softc) 227 }; 228 229 static devclass_t ichsmb_pci_devclass; 230 231 DRIVER_MODULE(ichsmb, pci, ichsmb_pci_driver, ichsmb_pci_devclass, 0, 0); 232 233 static int 234 ichsmb_pci_probe(device_t dev) 235 { 236 const struct pci_device_table *tbl; 237 238 tbl = PCI_MATCH(dev, ichsmb_devices); 239 if (tbl == NULL) 240 return (ENXIO); 241 242 device_set_desc(dev, tbl->descr); 243 return (ichsmb_probe(dev)); 244 } 245 246 static int 247 ichsmb_pci_attach(device_t dev) 248 { 249 const sc_p sc = device_get_softc(dev); 250 int error; 251 252 /* Initialize private state */ 253 bzero(sc, sizeof(*sc)); 254 sc->ich_cmd = -1; 255 sc->dev = dev; 256 257 /* Allocate an I/O range */ 258 sc->io_rid = ICH_SMB_BASE; 259 sc->io_res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, 260 &sc->io_rid, 16, RF_ACTIVE); 261 if (sc->io_res == NULL) 262 sc->io_res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, 263 &sc->io_rid, 32, RF_ACTIVE); 264 if (sc->io_res == NULL) { 265 device_printf(dev, "can't map I/O\n"); 266 error = ENXIO; 267 goto fail; 268 } 269 270 /* Allocate interrupt */ 271 sc->irq_rid = 0; 272 sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, 273 &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE); 274 if (sc->irq_res == NULL) { 275 device_printf(dev, "can't get IRQ\n"); 276 error = ENXIO; 277 goto fail; 278 } 279 280 /* Enable device */ 281 pci_write_config(dev, ICH_HOSTC, ICH_HOSTC_HST_EN, 1); 282 283 /* Done */ 284 error = ichsmb_attach(dev); 285 if (error) 286 goto fail; 287 return (0); 288 289 fail: 290 /* Attach failed, release resources */ 291 ichsmb_release_resources(sc); 292 return (error); 293 } 294 295 296 MODULE_DEPEND(ichsmb, pci, 1, 1, 1); 297 MODULE_DEPEND(ichsmb, smbus, SMBUS_MINVER, SMBUS_PREFVER, SMBUS_MAXVER); 298 MODULE_VERSION(ichsmb, 1); 299 PCI_PNP_INFO(ichsmb_devices); 300