/* * Device probe and attach routines for the following * Advanced Systems Inc. SCSI controllers: * * Connectivity Products: * ABP902/3902 - Bus-Master PCI (16 CDB) * ABP3905 - Bus-Master PCI (16 CDB) * ABP915 - Bus-Master PCI (16 CDB) * ABP920 - Bus-Master PCI (16 CDB) * ABP3922 - Bus-Master PCI (16 CDB) * ABP3925 - Bus-Master PCI (16 CDB) * ABP930 - Bus-Master PCI (16 CDB) * * ABP930U - Bus-Master PCI Ultra (16 CDB) * ABP930UA - Bus-Master PCI Ultra (16 CDB) * ABP960 - Bus-Master PCI MAC/PC (16 CDB) ** * ABP960U - Bus-Master PCI MAC/PC (16 CDB) ** * * Single Channel Products: * ABP940 - Bus-Master PCI (240 CDB) * ABP940U - Bus-Master PCI Ultra (240 CDB) * ABP940UA/3940UA - Bus-Master PCI Ultra (240 CDB) * ABP3960UA - Bus-Master PCI MAC/PC (240 CDB) * ABP970 - Bus-Master PCI MAC/PC (240 CDB) * ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB) * * Dual Channel Products: * ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel) * ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel) * ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel) * ABP980UA/3980UA - Four Channel Bus-Master PCI Ultra (16 CDB Per Chan.) * * Footnotes: * * This board has been sold by SIIG as the Fast SCSI Pro PCI. * ** This board has been sold by Iomega as a Jaz Jet PCI adapter. * * Copyright (c) 1997 Justin Gibbs. * 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, * without modification. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * 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: src/sys/dev/advansys/adv_pci.c,v 1.11.2.3 2001/06/02 04:38:10 nyan Exp $ * $DragonFly: src/sys/dev/disk/advansys/adv_pci.c,v 1.7 2006/12/22 23:26:15 swildner Exp $ */ #include #include #include #include #include #include #include #include "advansys.h" #define PCI_BASEADR0 PCIR_MAPS /* I/O Address */ #define PCI_BASEADR1 PCIR_MAPS + 4 /* Mem I/O Address */ #define PCI_DEVICE_ID_ADVANSYS_1200A 0x110010CD #define PCI_DEVICE_ID_ADVANSYS_1200B 0x120010CD #define PCI_DEVICE_ID_ADVANSYS_3000 0x130010CD #define PCI_DEVICE_REV_ADVANSYS_3150 0x02 #define PCI_DEVICE_REV_ADVANSYS_3050 0x03 #define ADV_PCI_MAX_DMA_ADDR (0xFFFFFFFFL) #define ADV_PCI_MAX_DMA_COUNT (0xFFFFFFFFL) static int adv_pci_probe(device_t); static int adv_pci_attach(device_t); /* * The overrun buffer shared amongst all PCI adapters. */ static u_int8_t* overrun_buf; static bus_dma_tag_t overrun_dmat; static bus_dmamap_t overrun_dmamap; static bus_addr_t overrun_physbase; static int adv_pci_probe(device_t dev) { int rev = pci_get_revid(dev); switch (pci_get_devid(dev)) { case PCI_DEVICE_ID_ADVANSYS_1200A: device_set_desc(dev, "AdvanSys ASC1200A SCSI controller"); return 0; case PCI_DEVICE_ID_ADVANSYS_1200B: device_set_desc(dev, "AdvanSys ASC1200B SCSI controller"); return 0; case PCI_DEVICE_ID_ADVANSYS_3000: if (rev == PCI_DEVICE_REV_ADVANSYS_3150) { device_set_desc(dev, "AdvanSys ASC3150 SCSI controller"); return 0; } else if (rev == PCI_DEVICE_REV_ADVANSYS_3050) { device_set_desc(dev, "AdvanSys ASC3030/50 SCSI controller"); return 0; } else if (rev >= PCI_DEVICE_REV_ADVANSYS_3150) { device_set_desc(dev, "Unknown AdvanSys controller"); return 0; } break; default: break; } return ENXIO; } static int adv_pci_attach(device_t dev) { struct adv_softc *adv; u_int32_t id; u_int32_t command; int error, rid, irqrid; void *ih; struct resource *iores, *irqres; /* * Determine the chip version. */ id = pci_read_config(dev, PCIR_DEVVENDOR, /*bytes*/4); command = pci_read_config(dev, PCIR_COMMAND, /*bytes*/1); /* * These cards do not allow memory mapped accesses, so we must * ensure that I/O accesses are available or we won't be able * to talk to them. */ if ((command & (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN)) != (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN)) { command |= PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN; pci_write_config(dev, PCIR_COMMAND, command, /*bytes*/1); } /* * Early chips can't handle non-zero latency timer settings. */ if (id == PCI_DEVICE_ID_ADVANSYS_1200A || id == PCI_DEVICE_ID_ADVANSYS_1200B) { pci_write_config(dev, PCIR_LATTIMER, /*value*/0, /*bytes*/1); } rid = PCI_BASEADR0; iores = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); if (iores == NULL) return ENXIO; if (adv_find_signature(rman_get_bustag(iores), rman_get_bushandle(iores)) == 0) { bus_release_resource(dev, SYS_RES_IOPORT, rid, iores); return ENXIO; } adv = adv_alloc(dev, rman_get_bustag(iores), rman_get_bushandle(iores)); if (adv == NULL) { bus_release_resource(dev, SYS_RES_IOPORT, rid, iores); return ENXIO; } /* Allocate a dmatag for our transfer DMA maps */ /* XXX Should be a child of the PCI bus dma tag */ error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1, /*boundary*/0, /*lowaddr*/ADV_PCI_MAX_DMA_ADDR, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/BUS_SPACE_MAXSIZE_32BIT, /*nsegments*/BUS_SPACE_UNRESTRICTED, /*maxsegsz*/ADV_PCI_MAX_DMA_COUNT, /*flags*/0, &adv->parent_dmat); if (error != 0) { kprintf("%s: Could not allocate DMA tag - error %d\n", adv_name(adv), error); adv_free(adv); bus_release_resource(dev, SYS_RES_IOPORT, rid, iores); return ENXIO; } adv->init_level++; if (overrun_buf == NULL) { /* Need to allocate our overrun buffer */ if (bus_dma_tag_create(adv->parent_dmat, /*alignment*/8, /*boundary*/0, ADV_PCI_MAX_DMA_ADDR, BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, ADV_OVERRUN_BSIZE, /*nsegments*/1, BUS_SPACE_MAXSIZE_32BIT, /*flags*/0, &overrun_dmat) != 0) { bus_dma_tag_destroy(adv->parent_dmat); adv_free(adv); bus_release_resource(dev, SYS_RES_IOPORT, rid, iores); return ENXIO; } if (bus_dmamem_alloc(overrun_dmat, (void **)&overrun_buf, BUS_DMA_NOWAIT, &overrun_dmamap) != 0) { bus_dma_tag_destroy(overrun_dmat); bus_dma_tag_destroy(adv->parent_dmat); adv_free(adv); bus_release_resource(dev, SYS_RES_IOPORT, rid, iores); return ENXIO; } /* And permanently map it in */ bus_dmamap_load(overrun_dmat, overrun_dmamap, overrun_buf, ADV_OVERRUN_BSIZE, adv_map, &overrun_physbase, /*flags*/0); } adv->overrun_physbase = overrun_physbase; /* * Stop the chip. */ ADV_OUTB(adv, ADV_CHIP_CTRL, ADV_CC_HALT); ADV_OUTW(adv, ADV_CHIP_STATUS, 0); adv->chip_version = ADV_INB(adv, ADV_NONEISA_CHIP_REVISION); adv->type = ADV_PCI; /* * Setup active negation and signal filtering. */ { u_int8_t extra_cfg; if (adv->chip_version >= ADV_CHIP_VER_PCI_ULTRA_3150) adv->type |= ADV_ULTRA; if (adv->chip_version == ADV_CHIP_VER_PCI_ULTRA_3050) extra_cfg = ADV_IFC_ACT_NEG | ADV_IFC_WR_EN_FILTER; else extra_cfg = ADV_IFC_ACT_NEG | ADV_IFC_SLEW_RATE; ADV_OUTB(adv, ADV_REG_IFC, extra_cfg); } if (adv_init(adv) != 0) { adv_free(adv); bus_release_resource(dev, SYS_RES_IOPORT, rid, iores); return ENXIO; } adv->max_dma_count = ADV_PCI_MAX_DMA_COUNT; adv->max_dma_addr = ADV_PCI_MAX_DMA_ADDR; #if CC_DISABLE_PCI_PARITY_INT { u_int16_t config_msw; config_msw = ADV_INW(adv, ADV_CONFIG_MSW); config_msw &= 0xFFC0; ADV_OUTW(adv, ADV_CONFIG_MSW, config_msw); } #endif if (id == PCI_DEVICE_ID_ADVANSYS_1200A || id == PCI_DEVICE_ID_ADVANSYS_1200B) { adv->bug_fix_control |= ADV_BUG_FIX_IF_NOT_DWB; adv->bug_fix_control |= ADV_BUG_FIX_ASYN_USE_SYN; adv->fix_asyn_xfer = ~0; } irqrid = 0; irqres = bus_alloc_resource(dev, SYS_RES_IRQ, &irqrid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); if (irqres == NULL || bus_setup_intr(dev, irqres, 0, adv_intr, adv, &ih, NULL)) { adv_free(adv); bus_release_resource(dev, SYS_RES_IOPORT, rid, iores); return ENXIO; } adv_attach(adv); return 0; } static device_method_t adv_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, adv_pci_probe), DEVMETHOD(device_attach, adv_pci_attach), { 0, 0 } }; static driver_t adv_pci_driver = { "adv", adv_pci_methods, sizeof(struct adv_softc) }; static devclass_t adv_pci_devclass; DRIVER_MODULE(adv, pci, adv_pci_driver, adv_pci_devclass, 0, 0);