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ichsmb.c
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ichsmb_pci.c
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ichsmb_reg.h
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ichsmb_var.h
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Editing: ichsmb_pci.c
/*- * ichsmb_pci.c * * Author: Archie Cobbs <archie@freebsd.org> * Copyright (c) 2000 Whistle Communications, Inc. * All rights reserved. * Author: Archie Cobbs <archie@freebsd.org> * * Subject to the following obligations and disclaimer of warranty, use and * redistribution of this software, in source or object code forms, with or * without modifications are expressly permitted by Whistle Communications; * provided, however, that: * 1. Any and all reproductions of the source or object code must include the * copyright notice above and the following disclaimer of warranties; and * 2. No rights are granted, in any manner or form, to use Whistle * Communications, Inc. trademarks, including the mark "WHISTLE * COMMUNICATIONS" on advertising, endorsements, or otherwise except as * such appears in the above copyright notice or in the software. * * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); /* * Support for the SMBus controller logical device which is part of the * Intel 81801AA/AB/BA/CA/DC/EB (ICH/ICH[02345]) I/O controller hub chips. */ #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/errno.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/syslog.h> #include <sys/bus.h> #include <machine/bus.h> #include <sys/rman.h> #include <machine/resource.h> #include <dev/pci/pcivar.h> #include <dev/pci/pcireg.h> #include <dev/smbus/smbconf.h> #include <dev/ichsmb/ichsmb_var.h> #include <dev/ichsmb/ichsmb_reg.h> /* PCI unique identifiers */ #define PCI_VENDOR_INTEL 0x8086 #define ID_82801AA 0x2413 #define ID_82801AB 0x2423 #define ID_82801BA 0x2443 #define ID_82801CA 0x2483 #define ID_82801DC 0x24C3 #define ID_82801EB 0x24D3 #define ID_82801FB 0x266A #define ID_82801GB 0x27da #define ID_82801H 0x283e #define ID_82801I 0x2930 #define ID_EP80579 0x5032 #define ID_82801JI 0x3a30 #define ID_82801JD 0x3a60 #define ID_PCH 0x3b30 #define ID_6300ESB 0x25a4 #define ID_631xESB 0x269b #define ID_DH89XXCC 0x2330 #define ID_PATSBURG 0x1d22 #define ID_CPT 0x1c22 #define ID_PPT 0x1e22 #define ID_AVOTON 0x1f3c #define ID_COLETOCRK 0x23B0 #define ID_LPT 0x8c22 #define ID_LPTLP 0x9c22 #define ID_WCPT 0x8ca2 #define ID_WCPTLP 0x9ca2 #define ID_BAYTRAIL 0x0f12 #define ID_BRASWELL 0x2292 #define ID_WELLSBURG 0x8d22 #define ID_SRPT 0xa123 #define ID_SRPTLP 0x9d23 #define ID_DENVERTON 0x19df #define ID_BROXTON 0x5ad4 #define ID_LEWISBURG 0xa1a3 #define ID_LEWISBURG2 0xa223 #define ID_KABYLAKE 0xa2a3 #define ID_CANNONLAKE 0xa323 static const struct pci_device_table ichsmb_devices[] = { { PCI_DEV(PCI_VENDOR_INTEL, ID_82801AA), PCI_DESCR("Intel 82801AA (ICH) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801AB), PCI_DESCR("Intel 82801AB (ICH0) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801BA), PCI_DESCR("Intel 82801BA (ICH2) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801CA), PCI_DESCR("Intel 82801CA (ICH3) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801DC), PCI_DESCR("Intel 82801DC (ICH4) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801EB), PCI_DESCR("Intel 82801EB (ICH5) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801FB), PCI_DESCR("Intel 82801FB (ICH6) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801GB), PCI_DESCR("Intel 82801GB (ICH7) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801H), PCI_DESCR("Intel 82801H (ICH8) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801I), PCI_DESCR("Intel 82801I (ICH9) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801GB), PCI_DESCR("Intel 82801GB (ICH7) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801H), PCI_DESCR("Intel 82801H (ICH8) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801I), PCI_DESCR("Intel 82801I (ICH9) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_EP80579), PCI_DESCR("Intel EP80579 SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801JI), PCI_DESCR("Intel 82801JI (ICH10) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_82801JD), PCI_DESCR("Intel 82801JD (ICH10) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_PCH), PCI_DESCR("Intel PCH SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_6300ESB), PCI_DESCR("Intel 6300ESB (ICH) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_631xESB), PCI_DESCR("Intel 631xESB/6321ESB (ESB2) SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_DH89XXCC), PCI_DESCR("Intel DH89xxCC SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_PATSBURG), PCI_DESCR("Intel Patsburg SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_CPT), PCI_DESCR("Intel Cougar Point SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_PPT), PCI_DESCR("Intel Panther Point SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_AVOTON), PCI_DESCR("Intel Avoton SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_LPT), PCI_DESCR("Intel Lynx Point SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_LPTLP), PCI_DESCR("Intel Lynx Point-LP SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_WCPT), PCI_DESCR("Intel Wildcat Point SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_WCPTLP), PCI_DESCR("Intel Wildcat Point-LP SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_BAYTRAIL), PCI_DESCR("Intel Baytrail SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_BRASWELL), PCI_DESCR("Intel Braswell SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_COLETOCRK), PCI_DESCR("Intel Coleto Creek SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_WELLSBURG), PCI_DESCR("Intel Wellsburg SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_SRPT), PCI_DESCR("Intel Sunrise Point-H SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_SRPTLP), PCI_DESCR("Intel Sunrise Point-LP SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_DENVERTON), PCI_DESCR("Intel Denverton SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_BROXTON), PCI_DESCR("Intel Broxton SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_LEWISBURG), PCI_DESCR("Intel Lewisburg SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_LEWISBURG2), PCI_DESCR("Intel Lewisburg SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_KABYLAKE), PCI_DESCR("Intel Kaby Lake SMBus controller") }, { PCI_DEV(PCI_VENDOR_INTEL, ID_CANNONLAKE), PCI_DESCR("Intel Cannon Lake SMBus controller") }, }; /* Internal functions */ static int ichsmb_pci_probe(device_t dev); static int ichsmb_pci_attach(device_t dev); /*Use generic one for now*/ #if 0 static int ichsmb_pci_detach(device_t dev); #endif /* Device methods */ static device_method_t ichsmb_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ichsmb_pci_probe), DEVMETHOD(device_attach, ichsmb_pci_attach), DEVMETHOD(device_detach, ichsmb_detach), /* SMBus methods */ DEVMETHOD(smbus_callback, ichsmb_callback), DEVMETHOD(smbus_quick, ichsmb_quick), DEVMETHOD(smbus_sendb, ichsmb_sendb), DEVMETHOD(smbus_recvb, ichsmb_recvb), DEVMETHOD(smbus_writeb, ichsmb_writeb), DEVMETHOD(smbus_writew, ichsmb_writew), DEVMETHOD(smbus_readb, ichsmb_readb), DEVMETHOD(smbus_readw, ichsmb_readw), DEVMETHOD(smbus_pcall, ichsmb_pcall), DEVMETHOD(smbus_bwrite, ichsmb_bwrite), DEVMETHOD(smbus_bread, ichsmb_bread), DEVMETHOD_END }; static driver_t ichsmb_pci_driver = { "ichsmb", ichsmb_pci_methods, sizeof(struct ichsmb_softc) }; static devclass_t ichsmb_pci_devclass; DRIVER_MODULE(ichsmb, pci, ichsmb_pci_driver, ichsmb_pci_devclass, 0, 0); static int ichsmb_pci_probe(device_t dev) { const struct pci_device_table *tbl; tbl = PCI_MATCH(dev, ichsmb_devices); if (tbl == NULL) return (ENXIO); device_set_desc(dev, tbl->descr); return (ichsmb_probe(dev)); } static int ichsmb_pci_attach(device_t dev) { const sc_p sc = device_get_softc(dev); int error; /* Initialize private state */ bzero(sc, sizeof(*sc)); sc->ich_cmd = -1; sc->dev = dev; /* Allocate an I/O range */ sc->io_rid = ICH_SMB_BASE; sc->io_res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &sc->io_rid, 16, RF_ACTIVE); if (sc->io_res == NULL) sc->io_res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &sc->io_rid, 32, RF_ACTIVE); if (sc->io_res == NULL) { device_printf(dev, "can't map I/O\n"); error = ENXIO; goto fail; } /* Allocate interrupt */ sc->irq_rid = 0; sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE); if (sc->irq_res == NULL) { device_printf(dev, "can't get IRQ\n"); error = ENXIO; goto fail; } /* Enable device */ pci_write_config(dev, ICH_HOSTC, ICH_HOSTC_HST_EN, 1); /* Done */ error = ichsmb_attach(dev); if (error) goto fail; return (0); fail: /* Attach failed, release resources */ ichsmb_release_resources(sc); return (error); } MODULE_DEPEND(ichsmb, pci, 1, 1, 1); MODULE_DEPEND(ichsmb, smbus, SMBUS_MINVER, SMBUS_PREFVER, SMBUS_MAXVER); MODULE_VERSION(ichsmb, 1); PCI_PNP_INFO(ichsmb_devices);
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