/*- * Copyright (c) 2000 Michael Smith * Copyright (c) 2001 Scott Long * Copyright (c) 2000 BSDi * Copyright (c) 2001 Adaptec, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON 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 ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ /* * PCI bus interface and resource allocation. */ #include "opt_aac.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static int aac_pci_probe(device_t dev); static int aac_pci_attach(device_t dev); static device_method_t aac_methods[] = { /* Device interface */ DEVMETHOD(device_probe, aac_pci_probe), DEVMETHOD(device_attach, aac_pci_attach), DEVMETHOD(device_detach, aac_detach), DEVMETHOD(device_suspend, aac_suspend), DEVMETHOD(device_resume, aac_resume), DEVMETHOD(bus_print_child, bus_generic_print_child), DEVMETHOD(bus_driver_added, bus_generic_driver_added), { 0, 0 } }; static driver_t aac_pci_driver = { "aac", aac_methods, sizeof(struct aac_softc) }; DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, 0, 0); struct aac_ident { u_int16_t vendor; u_int16_t device; u_int16_t subvendor; u_int16_t subdevice; int hwif; char *desc; } aac_identifiers[] = { {0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, "Dell PERC 2/Si"}, {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, "Dell PERC 3/Di"}, {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, "Dell PERC 3/Si"}, {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, "Dell PERC 3/Si"}, {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, "Dell PERC 3/Di"}, {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, "Dell PERC 3/Di"}, {0x1028, 0x0008, 0x1028, 0x00cf, AAC_HWIF_I960RX, "Dell PERC 3/Di"}, {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, "Dell PERC 3/Di"}, {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, "Adaptec AAC-364"}, {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM, "Adaptec SCSI RAID 5400S"}, {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, "Dell PERC 2/QC"}, {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, "HP NetRaid-4M"}, {0, 0, 0, 0, 0, 0} }; /* * Determine whether this is one of our supported adapters. */ static int aac_pci_probe(device_t dev) { struct aac_ident *m; debug_called(1); for (m = aac_identifiers; m->vendor != 0; m++) { if ((m->vendor == pci_get_vendor(dev)) && (m->device == pci_get_device(dev)) && ((m->subvendor == 0) || (m->subvendor == pci_get_subvendor(dev))) && ((m->subdevice == 0) || ((m->subdevice == pci_get_subdevice(dev))))) { device_set_desc(dev, m->desc); return(-10); /* allow room to be overridden */ } } return(ENXIO); } /* * Allocate resources for our device, set up the bus interface. */ static int aac_pci_attach(device_t dev) { struct aac_softc *sc; int i, error; u_int32_t command; debug_called(1); /* * Initialise softc. */ sc = device_get_softc(dev); bzero(sc, sizeof(*sc)); sc->aac_dev = dev; /* assume failure is 'not configured' */ error = ENXIO; /* * Verify that the adapter is correctly set up in PCI space. */ command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); command |= PCIM_CMD_BUSMASTEREN; pci_write_config(dev, PCIR_COMMAND, command, 2); command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); if (!(command & PCIM_CMD_BUSMASTEREN)) { device_printf(sc->aac_dev, "can't enable bus-master feature\n"); goto out; } if ((command & PCIM_CMD_MEMEN) == 0) { device_printf(sc->aac_dev, "memory window not available\n"); goto out; } /* * Allocate the PCI register window. */ sc->aac_regs_rid = 0x10; /* first base address register */ if ((sc->aac_regs_resource = bus_alloc_resource(sc->aac_dev, SYS_RES_MEMORY, &sc->aac_regs_rid, 0, ~0, 1, RF_ACTIVE)) == NULL) { device_printf(sc->aac_dev, "couldn't allocate register window\n"); goto out; } sc->aac_btag = rman_get_bustag(sc->aac_regs_resource); sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource); /* * Allocate and connect our interrupt. */ sc->aac_irq_rid = 0; if ((sc->aac_irq = bus_alloc_resource(sc->aac_dev, SYS_RES_IRQ, &sc->aac_irq_rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE)) == NULL) { device_printf(sc->aac_dev, "can't allocate interrupt\n"); goto out; } #if __FreeBSD_version < 500005 #define INTR_ENTROPY 0 #endif if (bus_setup_intr(sc->aac_dev, sc->aac_irq, INTR_TYPE_BIO|INTR_ENTROPY, aac_intr, sc, &sc->aac_intr)) { device_printf(sc->aac_dev, "can't set up interrupt\n"); goto out; } /* assume failure is 'out of memory' */ error = ENOMEM; /* * Allocate the parent bus DMA tag appropriate for our PCI interface. * * Note that some of these controllers are 64-bit capable. */ if (bus_dma_tag_create(NULL, /* parent */ 1, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MAXBSIZE, /* maxsize */ AAC_MAXSGENTRIES, /* nsegments */ BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ BUS_DMA_ALLOCNOW, /* flags */ &sc->aac_parent_dmat)) { device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); goto out; } /* * Create DMA tag for mapping buffers into controller-addressable space. */ if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */ 1, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MAXBSIZE, AAC_MAXSGENTRIES, /* maxsize, nsegments */ BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 0, /* flags */ &sc->aac_buffer_dmat)) { device_printf(sc->aac_dev, "can't allocate buffer DMA tag\n"); goto out; } /* * Create DMA tag for mapping FIBs into controller-addressable space.. */ if (bus_dma_tag_create(sc->aac_parent_dmat, /* parent */ 1, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ AAC_FIB_COUNT * sizeof(struct aac_fib), 1, /* maxsize, nsegments */ BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 0, /* flags */ &sc->aac_fib_dmat)) { device_printf(sc->aac_dev, "can't allocate FIB DMA tag\n"); goto out; } /* * Detect the hardware interface version, set up the bus interface * indirection. */ sc->aac_hwif = AAC_HWIF_UNKNOWN; for (i = 0; aac_identifiers[i].vendor != 0; i++) { if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) && (aac_identifiers[i].device == pci_get_device(dev))) { sc->aac_hwif = aac_identifiers[i].hwif; switch(sc->aac_hwif) { case AAC_HWIF_I960RX: debug(2, "set hardware up for i960Rx"); sc->aac_if = aac_rx_interface; break; case AAC_HWIF_STRONGARM: debug(2, "set hardware up for StrongARM"); sc->aac_if = aac_sa_interface; break; } break; } } if (sc->aac_hwif == AAC_HWIF_UNKNOWN) { device_printf(sc->aac_dev, "unknown hardware type\n"); error = ENXIO; goto out; } /* * Do bus-independent initialisation. */ error = aac_attach(sc); out: if (error) aac_free(sc); return(error); }