159078Smdodd/*- 259078Smdodd * Copyright (c) 2000 Matthew N. Dodd <winter@jurai.net> 359078Smdodd * All rights reserved. 432801Sjulian * 559078Smdodd * Copyright (c) 1997 Simon Shapiro 659078Smdodd * All Rights Reserved 759078Smdodd * 832801Sjulian * Redistribution and use in source and binary forms, with or without 932801Sjulian * modification, are permitted provided that the following conditions 1032801Sjulian * are met: 1132801Sjulian * 1. Redistributions of source code must retain the above copyright 1259078Smdodd * notice, this list of conditions and the following disclaimer. 1332801Sjulian * 2. Redistributions in binary form must reproduce the above copyright 1432801Sjulian * notice, this list of conditions and the following disclaimer in the 1532801Sjulian * documentation and/or other materials provided with the distribution. 1632801Sjulian * 1732801Sjulian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1832801Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1932801Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2059078Smdodd * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2159078Smdodd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2232801Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2332801Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2432801Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2532801Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2632801Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2732801Sjulian * SUCH DAMAGE. 2832801Sjulian */ 2932801Sjulian 30119418Sobrien#include <sys/cdefs.h> 31119418Sobrien__FBSDID("$FreeBSD$"); 32119418Sobrien 3332801Sjulian#include <sys/param.h> 3432801Sjulian#include <sys/systm.h> 3532801Sjulian#include <sys/kernel.h> 3659078Smdodd#include <sys/module.h> 37117126Sscottl#include <sys/lock.h> 38117126Sscottl#include <sys/mutex.h> 3959078Smdodd#include <sys/bus.h> 4032801Sjulian 4139234Sgibbs#include <machine/bus.h> 4259078Smdodd#include <machine/resource.h> 4359078Smdodd#include <sys/rman.h> 4439234Sgibbs 45119277Simp#include <dev/pci/pcireg.h> 46119277Simp#include <dev/pci/pcivar.h> 4759078Smdodd 4839234Sgibbs#include <cam/scsi/scsi_all.h> 4939234Sgibbs 5039234Sgibbs#include <dev/dpt/dpt.h> 5132801Sjulian 5259078Smdodd#define DPT_VENDOR_ID 0x1044 5359078Smdodd#define DPT_DEVICE_ID 0xa400 5432801Sjulian 55119690Sjhb#define DPT_PCI_IOADDR PCIR_BAR(0) /* I/O Address */ 56119690Sjhb#define DPT_PCI_MEMADDR PCIR_BAR(1) /* Mem I/O Address */ 5732801Sjulian 5859078Smdodd#define ISA_PRIMARY_WD_ADDRESS 0x1f8 5932801Sjulian 6059078Smdoddstatic int dpt_pci_probe (device_t); 6159078Smdoddstatic int dpt_pci_attach (device_t); 6232801Sjulian 6359078Smdoddstatic int 6459078Smdodddpt_pci_probe (device_t dev) 6559078Smdodd{ 6659078Smdodd if ((pci_get_vendor(dev) == DPT_VENDOR_ID) && 6759078Smdodd (pci_get_device(dev) == DPT_DEVICE_ID)) { 6859078Smdodd device_set_desc(dev, "DPT Caching SCSI RAID Controller"); 69143161Simp return (BUS_PROBE_DEFAULT); 7059078Smdodd } 7159078Smdodd return (ENXIO); 7259078Smdodd} 7332801Sjulian 7459078Smdoddstatic int 7559078Smdodddpt_pci_attach (device_t dev) 7632801Sjulian{ 7759078Smdodd dpt_softc_t * dpt; 7859078Smdodd int error = 0; 7932801Sjulian 80112780Smdodd dpt = device_get_softc(dev); 81170872Sscottl dpt->dev = dev; 82241593Sjhb dpt_alloc(dev); 83112780Smdodd 8459078Smdodd#ifdef DPT_ALLOW_MMIO 85254263Sscottl dpt->io_rid = DPT_PCI_MEMADDR; 86254263Sscottl dpt->io_type = SYS_RES_MEMORY; 87254263Sscottl dpt->io_res = bus_alloc_resource_any(dev, dpt->io_type, 88254263Sscottl &dpt->io_rid, RF_ACTIVE); 8932801Sjulian#endif 90254263Sscottl if (dpt->io_res == NULL) { 91112780Smdodd dpt->io_rid = DPT_PCI_IOADDR; 92112780Smdodd dpt->io_type = SYS_RES_IOPORT; 93127135Snjl dpt->io_res = bus_alloc_resource_any(dev, dpt->io_type, 94127135Snjl &dpt->io_rid, RF_ACTIVE); 9559078Smdodd } 9632801Sjulian 97112780Smdodd if (dpt->io_res == NULL) { 9859078Smdodd device_printf(dev, "can't allocate register resources\n"); 9959078Smdodd error = ENOMEM; 10059078Smdodd goto bad; 10159078Smdodd } 102112780Smdodd dpt->io_offset = 0x10; 10332801Sjulian 104112780Smdodd dpt->irq_rid = 0; 105127135Snjl dpt->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &dpt->irq_rid, 106127135Snjl RF_ACTIVE | RF_SHAREABLE); 107112780Smdodd if (dpt->irq_res == NULL) { 10859078Smdodd device_printf(dev, "No irq?!\n"); 10959078Smdodd error = ENOMEM; 11059078Smdodd goto bad; 11159078Smdodd } 11232801Sjulian 11359078Smdodd /* Ensure busmastering is enabled */ 114241593Sjhb pci_enable_busmaster(dev); 11532801Sjulian 116112780Smdodd if (rman_get_start(dpt->io_res) == (ISA_PRIMARY_WD_ADDRESS - 0x10)) { 11732801Sjulian#ifdef DPT_DEBUG_WARN 11859078Smdodd device_printf(dev, "Mapped as an IDE controller. " 11959078Smdodd "Disabling SCSI setup\n"); 12032801Sjulian#endif 12159078Smdodd error = ENXIO; 12259078Smdodd goto bad; 12339234Sgibbs } 12432801Sjulian 12539234Sgibbs /* Allocate a dmatag representing the capabilities of this attachment */ 126232854Sscottl if (bus_dma_tag_create( /* PCI parent */ bus_get_dma_tag(dev), 12759078Smdodd /* alignemnt */ 1, 12859078Smdodd /* boundary */ 0, 12959078Smdodd /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 13059078Smdodd /* highaddr */ BUS_SPACE_MAXADDR, 13159078Smdodd /* filter */ NULL, 13259078Smdodd /* filterarg */ NULL, 13359078Smdodd /* maxsize */ BUS_SPACE_MAXSIZE_32BIT, 134104710Speter /* nsegments */ ~0, 13559078Smdodd /* maxsegsz */ BUS_SPACE_MAXSIZE_32BIT, 13659078Smdodd /* flags */ 0, 137241593Sjhb /* lockfunc */ NULL, 138241593Sjhb /* lockarg */ NULL, 13959078Smdodd &dpt->parent_dmat) != 0) { 14059078Smdodd error = ENXIO; 14159078Smdodd goto bad; 14239234Sgibbs } 14332801Sjulian 14439234Sgibbs if (dpt_init(dpt) != 0) { 14559078Smdodd error = ENXIO; 14659078Smdodd goto bad; 14739234Sgibbs } 14832801Sjulian 14939234Sgibbs /* Register with the XPT */ 15039234Sgibbs dpt_attach(dpt); 15159078Smdodd 152241593Sjhb if (bus_setup_intr(dev, dpt->irq_res, INTR_TYPE_CAM | INTR_ENTROPY | 153241593Sjhb INTR_MPSAFE, NULL, dpt_intr, dpt, &dpt->ih)) { 15459078Smdodd device_printf(dev, "Unable to register interrupt handler\n"); 15559078Smdodd error = ENXIO; 15659078Smdodd goto bad; 15759078Smdodd } 15859078Smdodd 15959078Smdodd return (error); 16059078Smdodd 16159078Smdoddbad: 162112780Smdodd dpt_release_resources(dev); 16359078Smdodd 164142356Ssam dpt_free(dpt); 165112780Smdodd 16659078Smdodd return (error); 16732801Sjulian} 16859078Smdodd 16959078Smdoddstatic device_method_t dpt_pci_methods[] = { 17059078Smdodd /* Device interface */ 17159078Smdodd DEVMETHOD(device_probe, dpt_pci_probe), 17259078Smdodd DEVMETHOD(device_attach, dpt_pci_attach), 173112780Smdodd DEVMETHOD(device_detach, dpt_detach), 17459078Smdodd 17559078Smdodd { 0, 0 } 17659078Smdodd}; 17759078Smdodd 17859078Smdoddstatic driver_t dpt_pci_driver = { 17959078Smdodd "dpt", 18059078Smdodd dpt_pci_methods, 18159078Smdodd sizeof(dpt_softc_t), 18259078Smdodd}; 18359078Smdodd 18459078SmdoddDRIVER_MODULE(dpt, pci, dpt_pci_driver, dpt_devclass, 0, 0); 185165102SmjacobMODULE_DEPEND(dpt, pci, 1, 1, 1); 186165102SmjacobMODULE_DEPEND(dpt, cam, 1, 1, 1); 187