135863739SMike Smith /*- 235863739SMike Smith * Copyright (c) 2000 Michael Smith 3c6eafcf2SScott Long * Copyright (c) 2001 Scott Long 435863739SMike Smith * Copyright (c) 2000 BSDi 5fadfef89SScott Long * Copyright (c) 2001 Adaptec, Inc. 635863739SMike Smith * All rights reserved. 735863739SMike Smith * 835863739SMike Smith * Redistribution and use in source and binary forms, with or without 935863739SMike Smith * modification, are permitted provided that the following conditions 1035863739SMike Smith * are met: 1135863739SMike Smith * 1. Redistributions of source code must retain the above copyright 1235863739SMike Smith * notice, this list of conditions and the following disclaimer. 1335863739SMike Smith * 2. Redistributions in binary form must reproduce the above copyright 1435863739SMike Smith * notice, this list of conditions and the following disclaimer in the 1535863739SMike Smith * documentation and/or other materials provided with the distribution. 1635863739SMike Smith * 1735863739SMike Smith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1835863739SMike Smith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1935863739SMike Smith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2035863739SMike Smith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2135863739SMike Smith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2235863739SMike Smith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2335863739SMike Smith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2435863739SMike Smith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2535863739SMike Smith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2635863739SMike Smith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2735863739SMike Smith * SUCH DAMAGE. 2835863739SMike Smith * 2935863739SMike Smith * $FreeBSD$ 3035863739SMike Smith */ 3135863739SMike Smith 3235863739SMike Smith /* 3335863739SMike Smith * PCI bus interface and resource allocation. 3435863739SMike Smith */ 3535863739SMike Smith 36f6c4dd3fSScott Long #include "opt_aac.h" 37f6c4dd3fSScott Long 3835863739SMike Smith #include <sys/param.h> 3935863739SMike Smith #include <sys/systm.h> 4035863739SMike Smith #include <sys/kernel.h> 4135863739SMike Smith 429e2e96d8SScott Long #include <sys/bio.h> 4335863739SMike Smith #include <sys/bus.h> 4435863739SMike Smith #include <sys/conf.h> 4535863739SMike Smith #include <sys/disk.h> 4635863739SMike Smith 4735863739SMike Smith #include <machine/bus_memio.h> 4835863739SMike Smith #include <machine/bus.h> 4935863739SMike Smith #include <machine/resource.h> 5035863739SMike Smith #include <sys/rman.h> 5135863739SMike Smith 5235863739SMike Smith #include <pci/pcireg.h> 5335863739SMike Smith #include <pci/pcivar.h> 5435863739SMike Smith 5535863739SMike Smith #include <dev/aac/aacreg.h> 560b94a66eSMike Smith #include <dev/aac/aac_ioctl.h> 5735863739SMike Smith #include <dev/aac/aacvar.h> 5835863739SMike Smith 5935863739SMike Smith static int aac_pci_probe(device_t dev); 6035863739SMike Smith static int aac_pci_attach(device_t dev); 6135863739SMike Smith 6235863739SMike Smith static device_method_t aac_methods[] = { 6335863739SMike Smith /* Device interface */ 6435863739SMike Smith DEVMETHOD(device_probe, aac_pci_probe), 6535863739SMike Smith DEVMETHOD(device_attach, aac_pci_attach), 6635863739SMike Smith DEVMETHOD(device_detach, aac_detach), 6735863739SMike Smith DEVMETHOD(device_suspend, aac_suspend), 6835863739SMike Smith DEVMETHOD(device_resume, aac_resume), 6935863739SMike Smith 7035863739SMike Smith DEVMETHOD(bus_print_child, bus_generic_print_child), 7135863739SMike Smith DEVMETHOD(bus_driver_added, bus_generic_driver_added), 7235863739SMike Smith { 0, 0 } 7335863739SMike Smith }; 7435863739SMike Smith 7535863739SMike Smith static driver_t aac_pci_driver = { 7635863739SMike Smith "aac", 7735863739SMike Smith aac_methods, 7835863739SMike Smith sizeof(struct aac_softc) 7935863739SMike Smith }; 8035863739SMike Smith 81e45bef2aSMike Smith static devclass_t aac_devclass; 82e45bef2aSMike Smith 8335863739SMike Smith DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, 0, 0); 8435863739SMike Smith 8535863739SMike Smith struct aac_ident 8635863739SMike Smith { 8735863739SMike Smith u_int16_t vendor; 8835863739SMike Smith u_int16_t device; 8935863739SMike Smith u_int16_t subvendor; 9035863739SMike Smith u_int16_t subdevice; 9135863739SMike Smith int hwif; 92fe3cb0e1SScott Long int quirks; 9335863739SMike Smith char *desc; 9435863739SMike Smith } aac_identifiers[] = { 95a6d35632SScott Long {0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0, 96fe3cb0e1SScott Long "Dell PERC 2/Si"}, 97a6d35632SScott Long {0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0, 98fe3cb0e1SScott Long "Dell PERC 3/Di"}, 99a6d35632SScott Long {0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0, 100fe3cb0e1SScott Long "Dell PERC 3/Si"}, 101a6d35632SScott Long {0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0, 102fe3cb0e1SScott Long "Dell PERC 3/Si"}, 103a6d35632SScott Long {0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0, 104fe3cb0e1SScott Long "Dell PERC 3/Di"}, 105a6d35632SScott Long {0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0, 106fe3cb0e1SScott Long "Dell PERC 3/Di"}, 107a6d35632SScott Long {0x1028, 0x0008, 0x1028, 0x00cf, AAC_HWIF_I960RX, 0, 108fe3cb0e1SScott Long "Dell PERC 3/Di"}, 109a6d35632SScott Long {0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0, 110fe3cb0e1SScott Long "Dell PERC 3/Di"}, 111a6d35632SScott Long {0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0, 112fe3cb0e1SScott Long "Dell PERC 3/Di"}, 113a6d35632SScott Long {0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0, 114fe3cb0e1SScott Long "Dell PERC 3/Di"}, 115a6d35632SScott Long {0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0, 116fe3cb0e1SScott Long "Adaptec AAC-364"}, 1174b00f859SScott Long {0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM, 1184b00f859SScott Long AAC_FLAGS_BROKEN_MEMMAP, "Adaptec SCSI RAID 5400S"}, 119a6d35632SScott Long {0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC, 120a6d35632SScott Long "Dell PERC 2/QC"}, 121a6d35632SScott Long {0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0, 122a9f3d2c7SScott Long "HP NetRaid-4M"}, 123a6d35632SScott Long {0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 124a6d35632SScott Long AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"}, 125a6d35632SScott Long {0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 126a6d35632SScott Long AAC_FLAGS_256FIBS, "Dell PERC 320/DC"}, 127a6d35632SScott Long {0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB | 128a6d35632SScott Long AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2120S"}, 1299d5be300SScott Long {0x9005, 0x0285, 0x9005, 0x0290, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB, 1309d5be300SScott Long "Adaptec SCSI RAID 2410SA"}, 131fe3cb0e1SScott Long {0, 0, 0, 0, 0, 0, 0} 13235863739SMike Smith }; 13335863739SMike Smith 134914da7d0SScott Long /* 13535863739SMike Smith * Determine whether this is one of our supported adapters. 13635863739SMike Smith */ 13735863739SMike Smith static int 13835863739SMike Smith aac_pci_probe(device_t dev) 13935863739SMike Smith { 14035863739SMike Smith struct aac_ident *m; 14135863739SMike Smith 14235863739SMike Smith debug_called(1); 14335863739SMike Smith 14435863739SMike Smith for (m = aac_identifiers; m->vendor != 0; m++) { 14535863739SMike Smith if ((m->vendor == pci_get_vendor(dev)) && 14635863739SMike Smith (m->device == pci_get_device(dev)) && 147914da7d0SScott Long ((m->subvendor == 0) || (m->subvendor == 148914da7d0SScott Long pci_get_subvendor(dev))) && 149914da7d0SScott Long ((m->subdevice == 0) || ((m->subdevice == 150914da7d0SScott Long pci_get_subdevice(dev))))) { 15135863739SMike Smith 15235863739SMike Smith device_set_desc(dev, m->desc); 153e10f2ee5SMike Smith return(-10); /* allow room to be overridden */ 15435863739SMike Smith } 15535863739SMike Smith } 15635863739SMike Smith return(ENXIO); 15735863739SMike Smith } 15835863739SMike Smith 159914da7d0SScott Long /* 16035863739SMike Smith * Allocate resources for our device, set up the bus interface. 16135863739SMike Smith */ 16235863739SMike Smith static int 16335863739SMike Smith aac_pci_attach(device_t dev) 16435863739SMike Smith { 16535863739SMike Smith struct aac_softc *sc; 16635863739SMike Smith int i, error; 16735863739SMike Smith u_int32_t command; 16835863739SMike Smith 16935863739SMike Smith debug_called(1); 17035863739SMike Smith 17135863739SMike Smith /* 17235863739SMike Smith * Initialise softc. 17335863739SMike Smith */ 17435863739SMike Smith sc = device_get_softc(dev); 17535863739SMike Smith bzero(sc, sizeof(*sc)); 17635863739SMike Smith sc->aac_dev = dev; 17735863739SMike Smith 17835863739SMike Smith /* assume failure is 'not configured' */ 17935863739SMike Smith error = ENXIO; 18035863739SMike Smith 18135863739SMike Smith /* 18235863739SMike Smith * Verify that the adapter is correctly set up in PCI space. 18335863739SMike Smith */ 18435863739SMike Smith command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 18535863739SMike Smith command |= PCIM_CMD_BUSMASTEREN; 18635863739SMike Smith pci_write_config(dev, PCIR_COMMAND, command, 2); 18735863739SMike Smith command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 18835863739SMike Smith if (!(command & PCIM_CMD_BUSMASTEREN)) { 18935863739SMike Smith device_printf(sc->aac_dev, "can't enable bus-master feature\n"); 19035863739SMike Smith goto out; 19135863739SMike Smith } 19235863739SMike Smith if ((command & PCIM_CMD_MEMEN) == 0) { 19335863739SMike Smith device_printf(sc->aac_dev, "memory window not available\n"); 19435863739SMike Smith goto out; 19535863739SMike Smith } 19635863739SMike Smith 19735863739SMike Smith /* 19835863739SMike Smith * Allocate the PCI register window. 19935863739SMike Smith */ 20035863739SMike Smith sc->aac_regs_rid = 0x10; /* first base address register */ 201914da7d0SScott Long if ((sc->aac_regs_resource = bus_alloc_resource(sc->aac_dev, 202914da7d0SScott Long SYS_RES_MEMORY, 203914da7d0SScott Long &sc->aac_regs_rid, 204914da7d0SScott Long 0, ~0, 1, 205c6eafcf2SScott Long RF_ACTIVE)) == NULL) { 206914da7d0SScott Long device_printf(sc->aac_dev, 207914da7d0SScott Long "couldn't allocate register window\n"); 20835863739SMike Smith goto out; 20935863739SMike Smith } 21035863739SMike Smith sc->aac_btag = rman_get_bustag(sc->aac_regs_resource); 21135863739SMike Smith sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource); 21235863739SMike Smith 21335863739SMike Smith /* 21435863739SMike Smith * Allocate and connect our interrupt. 21535863739SMike Smith */ 21635863739SMike Smith sc->aac_irq_rid = 0; 217c6eafcf2SScott Long if ((sc->aac_irq = bus_alloc_resource(sc->aac_dev, SYS_RES_IRQ, 218c6eafcf2SScott Long &sc->aac_irq_rid, 0, ~0, 1, 219914da7d0SScott Long RF_SHAREABLE | 220914da7d0SScott Long RF_ACTIVE)) == NULL) { 22135863739SMike Smith device_printf(sc->aac_dev, "can't allocate interrupt\n"); 22235863739SMike Smith goto out; 22335863739SMike Smith } 2245e7e7ec9SScott Long #ifndef INTR_ENTROPY 22536e0bf6eSScott Long #define INTR_ENTROPY 0 22636e0bf6eSScott Long #endif 2279c3a7fceSScott Long if (bus_setup_intr(sc->aac_dev, sc->aac_irq, 2289c3a7fceSScott Long INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY, aac_intr, 2299c3a7fceSScott Long sc, &sc->aac_intr)) { 23035863739SMike Smith device_printf(sc->aac_dev, "can't set up interrupt\n"); 23135863739SMike Smith goto out; 23235863739SMike Smith } 23335863739SMike Smith 23435863739SMike Smith /* assume failure is 'out of memory' */ 23535863739SMike Smith error = ENOMEM; 23635863739SMike Smith 23735863739SMike Smith /* 23835863739SMike Smith * Allocate the parent bus DMA tag appropriate for our PCI interface. 23935863739SMike Smith * 24035863739SMike Smith * Note that some of these controllers are 64-bit capable. 24135863739SMike Smith */ 24235863739SMike Smith if (bus_dma_tag_create(NULL, /* parent */ 243cbfd045bSScott Long PAGE_SIZE, 0, /* algnmnt, boundary */ 244a6d35632SScott Long BUS_SPACE_MAXADDR, /* lowaddr */ 24535863739SMike Smith BUS_SPACE_MAXADDR, /* highaddr */ 24635863739SMike Smith NULL, NULL, /* filter, filterarg */ 247a6d35632SScott Long BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 248914da7d0SScott Long AAC_MAXSGENTRIES, /* nsegments */ 24935863739SMike Smith BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 250a6d35632SScott Long 0, /* flags */ 251f6b1c44dSScott Long NULL, NULL, /* No locking needed */ 25235863739SMike Smith &sc->aac_parent_dmat)) { 25335863739SMike Smith device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); 25435863739SMike Smith goto out; 25535863739SMike Smith } 25635863739SMike Smith 25735863739SMike Smith /* 258c6eafcf2SScott Long * Detect the hardware interface version, set up the bus interface 259c6eafcf2SScott Long * indirection. 26035863739SMike Smith */ 2610b94a66eSMike Smith sc->aac_hwif = AAC_HWIF_UNKNOWN; 26235863739SMike Smith for (i = 0; aac_identifiers[i].vendor != 0; i++) { 26335863739SMike Smith if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) && 264fe3cb0e1SScott Long (aac_identifiers[i].device == pci_get_device(dev)) && 265fe3cb0e1SScott Long (aac_identifiers[i].subvendor == pci_get_subvendor(dev)) && 266fe3cb0e1SScott Long (aac_identifiers[i].subdevice == pci_get_subdevice(dev))) { 26735863739SMike Smith sc->aac_hwif = aac_identifiers[i].hwif; 26835863739SMike Smith switch(sc->aac_hwif) { 26935863739SMike Smith case AAC_HWIF_I960RX: 27035863739SMike Smith debug(2, "set hardware up for i960Rx"); 27135863739SMike Smith sc->aac_if = aac_rx_interface; 27235863739SMike Smith break; 27335863739SMike Smith 27435863739SMike Smith case AAC_HWIF_STRONGARM: 27535863739SMike Smith debug(2, "set hardware up for StrongARM"); 27635863739SMike Smith sc->aac_if = aac_sa_interface; 27735863739SMike Smith break; 278b3457b51SScott Long case AAC_HWIF_FALCON: 279b3457b51SScott Long debug(2, "set hardware up for Falcon/PPC"); 280b3457b51SScott Long sc->aac_if = aac_fa_interface; 281b3457b51SScott Long break; 28235863739SMike Smith } 283fe3cb0e1SScott Long 284fe3cb0e1SScott Long /* Set up quirks */ 285a6d35632SScott Long sc->flags = aac_identifiers[i].quirks; 286fe3cb0e1SScott Long 28735863739SMike Smith break; 28835863739SMike Smith } 28935863739SMike Smith } 2900b94a66eSMike Smith if (sc->aac_hwif == AAC_HWIF_UNKNOWN) { 2910b94a66eSMike Smith device_printf(sc->aac_dev, "unknown hardware type\n"); 2920b94a66eSMike Smith error = ENXIO; 2930b94a66eSMike Smith goto out; 2940b94a66eSMike Smith } 29535863739SMike Smith 296fe94b852SScott Long 297fe94b852SScott Long /* 29835863739SMike Smith * Do bus-independent initialisation. 29935863739SMike Smith */ 30035863739SMike Smith error = aac_attach(sc); 30135863739SMike Smith 30235863739SMike Smith out: 30335863739SMike Smith if (error) 30435863739SMike Smith aac_free(sc); 30535863739SMike Smith return(error); 30635863739SMike Smith } 307