/* * Product specific probe and attach routines for: * Buslogic BT74x SCSI controllers * * Copyright (c) 1995, 1998, 1999 Justin T. 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 immediately at the beginning of the file, without modification, * this list of conditions, and the following disclaimer. * 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. * * $Id: bt_eisa.c,v 1.7 1999/05/08 21:59:18 dfr Exp $ */ #include "eisa.h" #if NEISA > 0 #include #include #include #include #include #include #include #include #include #include #include #define EISA_DEVICE_ID_BUSLOGIC_74X_B 0x0ab34201 #define EISA_DEVICE_ID_BUSLOGIC_74X_C 0x0ab34202 #define EISA_DEVICE_ID_SDC3222F 0x0ab34781 #define EISA_DEVICE_ID_AMI_4801 0x05a94801 #define BT_IOSIZE 0x04 /* Move to central header */ #define BT_EISA_IOSIZE 0x100 #define BT_EISA_SLOT_OFFSET 0xc00 #define EISA_IOCONF 0x08C #define PORTADDR 0x07 #define PORT_330 0x00 #define PORT_334 0x01 #define PORT_230 0x02 #define PORT_234 0x03 #define PORT_130 0x04 #define PORT_134 0x05 #define IRQ_CHANNEL 0xe0 #define INT_11 0x40 #define INT_10 0x20 #define INT_15 0xa0 #define INT_12 0x60 #define INT_14 0x80 #define INT_9 0x00 #define EISA_IRQ_TYPE 0x08D #define LEVEL 0x40 /* Definitions for the AMI Series 48 controler */ #define AMI_EISA_IOSIZE 0x500 /* Two separate ranges?? */ #define AMI_EISA_SLOT_OFFSET 0x800 #define AMI_EISA_IOCONF 0x000 #define AMI_DMA_CHANNEL 0x03 #define AMI_IRQ_CHANNEL 0x1c #define AMI_INT_15 0x14 #define AMI_INT_14 0x10 #define AMI_INT_12 0x0c #define AMI_INT_11 0x00 #define AMI_INT_10 0x08 #define AMI_INT_9 0x04 #define AMI_BIOS_ADDR 0xe0 #define AMI_EISA_IOCONF1 0x001 #define AMI_PORTADDR 0x0e #define AMI_PORT_334 0x08 #define AMI_PORT_330 0x00 #define AMI_PORT_234 0x0c #define AMI_PORT_230 0x04 #define AMI_PORT_134 0x0a #define AMI_PORT_130 0x02 #define AMI_IRQ_LEVEL 0x01 #define AMI_MISC2_OPTIONS 0x49E #define AMI_ENABLE_ISA_DMA 0x08 static const char *bt_match(eisa_id_t type); static int bt_eisa_alloc_resources(device_t dev) { struct bt_softc *bt = device_get_softc(dev); int rid; struct resource *port; struct resource *irq; int shared; /* * XXX assumes that the iospace ranges are sorted in increasing * order. */ rid = 0; port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); if (!port) return (ENOMEM); bt_init_softc(dev, port, 0, 0); if (eisa_get_irq(dev) != -1) { shared = bt->level_trigger_ints ? RF_SHAREABLE : 0; rid = 0; irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, shared | RF_ACTIVE); if (!irq) { if (port) bus_release_resource(dev, SYS_RES_IOPORT, 0, port); return (ENOMEM); } } else irq = 0; bt->irq = irq; return (0); } static void bt_eisa_release_resources(device_t dev) { struct bt_softc *bt = device_get_softc(dev); if (bt->port) bus_release_resource(dev, SYS_RES_IOPORT, 0, bt->port); if (bt->irq) bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq); bt_free_softc(dev); } static const char* bt_match(eisa_id_t type) { switch(type) { case EISA_DEVICE_ID_BUSLOGIC_74X_B: return ("Buslogic 74xB SCSI host adapter"); break; case EISA_DEVICE_ID_BUSLOGIC_74X_C: return ("Buslogic 74xC SCSI host adapter"); break; case EISA_DEVICE_ID_SDC3222F: return ("Storage Dimensions SDC3222F SCSI host adapter"); break; case EISA_DEVICE_ID_AMI_4801: return ("AMI Series 48 SCSI host adapter"); break; default: break; } return (NULL); } static int bt_eisa_probe(device_t dev) { const char *desc; u_long iobase; struct bt_probe_info info; u_long port; u_long iosize; u_int ioconf; int result; int shared; desc = bt_match(eisa_get_id(dev)); if (!desc) return (ENXIO); device_set_desc(dev, desc); iobase = (eisa_get_slot(dev) * EISA_SLOT_SIZE); if (eisa_get_id(dev) == EISA_DEVICE_ID_AMI_4801) { u_int ioconf1; iobase += AMI_EISA_SLOT_OFFSET; iosize = AMI_EISA_IOSIZE; ioconf1 = inb(iobase + AMI_EISA_IOCONF1); /* Determine "ISA" I/O port */ switch (ioconf1 & AMI_PORTADDR) { case AMI_PORT_330: port = 0x330; break; case AMI_PORT_334: port = 0x334; break; case AMI_PORT_230: port = 0x230; break; case AMI_PORT_234: port = 0x234; break; case AMI_PORT_134: port = 0x134; break; case AMI_PORT_130: port = 0x130; break; default: /* Disabled */ printf("bt: AMI EISA Adapter at " "slot %d has a disabled I/O " "port. Cannot attach.\n", eisa_get_slot(dev)); return (ENXIO); } shared = (inb(iobase + AMI_EISA_IOCONF1) & AMI_IRQ_LEVEL) ? EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE; } else { iobase += BT_EISA_SLOT_OFFSET; iosize = BT_EISA_IOSIZE; ioconf = inb(iobase + EISA_IOCONF); /* Determine "ISA" I/O port */ switch (ioconf & PORTADDR) { case PORT_330: port = 0x330; break; case PORT_334: port = 0x334; break; case PORT_230: port = 0x230; break; case PORT_234: port = 0x234; break; case PORT_130: port = 0x130; break; case PORT_134: port = 0x134; break; default: /* Disabled */ printf("bt: Buslogic EISA Adapter at " "slot %d has a disabled I/O " "port. Cannot attach.\n", eisa_get_slot(dev)); return (ENXIO); } shared = (inb(iobase + EISA_IRQ_TYPE) & LEVEL) ? EISA_TRIGGER_LEVEL : EISA_TRIGGER_EDGE; } bt_mark_probed_iop(port); /* Tell parent where our resources are going to be */ eisa_add_iospace(dev, iobase, iosize, RESVADDR_NONE); eisa_add_iospace(dev, port, BT_IOSIZE, RESVADDR_NONE); /* And allocate them */ bt_eisa_alloc_resources(dev); if (bt_port_probe(dev, &info) != 0) { printf("bt_eisa_probe: Probe failed for " "card at slot 0x%x\n", eisa_get_slot(dev)); result = ENXIO; } else { eisa_add_intr(dev, info.irq, shared); result = 0; } bt_eisa_release_resources(dev); return (result); } static int bt_eisa_attach(device_t dev) { struct bt_softc *bt = device_get_softc(dev); /* Allocate resources */ bt_eisa_alloc_resources(dev); /* Allocate a dmatag for our SCB DMA maps */ /* XXX Should be a child of the PCI bus dma tag */ if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/0, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/BUS_SPACE_MAXSIZE_32BIT, /*nsegments*/BUS_SPACE_UNRESTRICTED, /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/0, &bt->parent_dmat) != 0) { bt_eisa_release_resources(dev); return -1; } /* * Now that we know we own the resources we need, do the full * card initialization. */ if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) { bt_eisa_release_resources(dev); return -1; } /* Attach sub-devices - always succeeds (sets up intr) */ bt_attach(dev); return 0; } static device_method_t bt_eisa_methods[] = { /* Device interface */ DEVMETHOD(device_probe, bt_eisa_probe), DEVMETHOD(device_attach, bt_eisa_attach), { 0, 0 } }; static driver_t bt_eisa_driver = { "bt", bt_eisa_methods, sizeof(struct bt_softc), }; static devclass_t bt_devclass; DRIVER_MODULE(bt, eisa, bt_eisa_driver, bt_devclass, 0, 0); #endif /* NEISA > 0 */