summaryrefslogtreecommitdiffstats
path: root/sys/pci/bt_pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/pci/bt_pci.c')
-rw-r--r--sys/pci/bt_pci.c230
1 files changed, 0 insertions, 230 deletions
diff --git a/sys/pci/bt_pci.c b/sys/pci/bt_pci.c
deleted file mode 100644
index 154a2f2..0000000
--- a/sys/pci/bt_pci.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * Product specific probe and attach routines for:
- * Buslogic BT946, BT948, BT956, BT958 SCSI controllers
- *
- * Copyright (c) 1995, 1997, 1998 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, this list of conditions, and the following disclaimer,
- * without modification, immediately at the beginning of the file.
- * 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.
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/bus.h>
-
-#include <pci/pcireg.h>
-#include <pci/pcivar.h>
-
-#include <machine/bus_memio.h>
-#include <machine/bus_pio.h>
-#include <machine/bus.h>
-#include <machine/resource.h>
-#include <sys/rman.h>
-
-#include <dev/buslogic/btreg.h>
-
-#define BT_PCI_IOADDR PCIR_MAPS
-#define BT_PCI_MEMADDR PCIR_MAPS + 4
-
-#define PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER 0x1040104Bul
-#define PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC 0x0140104Bul
-#define PCI_DEVICE_ID_BUSLOGIC_FLASHPOINT 0x8130104Bul
-
-static int
-bt_pci_alloc_resources(device_t dev)
-{
- int command, type = 0, rid, zero;
- struct resource *regs = 0;
- struct resource *irq = 0;
-
- command = pci_read_config(dev, PCIR_COMMAND, /*bytes*/1);
-#if 0
- /* XXX Memory Mapped I/O seems to cause problems */
- if (command & PCIM_CMD_MEMEN) {
- type = SYS_RES_MEMORY;
- rid = BT_PCI_MEMADDR;
- regs = bus_alloc_resource(dev, type, &rid,
- 0, ~0, 1, RF_ACTIVE);
- }
-#else
- if (!regs && (command & PCIM_CMD_PORTEN)) {
- type = SYS_RES_IOPORT;
- rid = BT_PCI_IOADDR;
- regs = bus_alloc_resource(dev, type, &rid,
- 0, ~0, 1, RF_ACTIVE);
- }
-#endif
- if (!regs)
- return (ENOMEM);
-
- zero = 0;
- irq = bus_alloc_resource(dev, SYS_RES_IRQ, &zero,
- 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
- if (!irq) {
- bus_release_resource(dev, type, rid, regs);
- return (ENOMEM);
- }
-
- bt_init_softc(dev, regs, irq, 0);
-
- return (0);
-}
-
-static void
-bt_pci_release_resources(device_t dev)
-{
- struct bt_softc *bt = device_get_softc(dev);
-
- if (bt->port)
- /* XXX can't cope with memory registers anyway */
- bus_release_resource(dev, SYS_RES_IOPORT,
- BT_PCI_IOADDR, bt->port);
- if (bt->irq)
- bus_release_resource(dev, SYS_RES_IRQ, 0, bt->irq);
- bt_free_softc(dev);
-}
-
-static int
-bt_pci_probe(device_t dev)
-{
- switch (pci_get_devid(dev)) {
- case PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER:
- case PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER_NC:
- {
- struct bt_softc *bt = device_get_softc(dev);
- pci_info_data_t pci_info;
- int error;
-
- error = bt_pci_alloc_resources(dev);
- if (error)
- return (error);
-
- /*
- * Determine if an ISA compatible I/O port has been
- * enabled. If so, record the port so it will not
- * be probed by our ISA probe. If the PCI I/O port
- * was not set to the compatibility port, disable it.
- */
- error = bt_cmd(bt, BOP_INQUIRE_PCI_INFO,
- /*param*/NULL, /*paramlen*/0,
- (u_int8_t*)&pci_info, sizeof(pci_info),
- DEFAULT_CMD_TIMEOUT);
- if (error == 0
- && pci_info.io_port < BIO_DISABLED) {
- bt_mark_probed_bio(pci_info.io_port);
- if (bt->bsh != bt_iop_from_bio(pci_info.io_port)) {
- u_int8_t new_addr;
-
- new_addr = BIO_DISABLED;
- bt_cmd(bt, BOP_MODIFY_IO_ADDR,
- /*param*/&new_addr,
- /*paramlen*/1, /*reply_buf*/NULL,
- /*reply_len*/0,
- DEFAULT_CMD_TIMEOUT);
- }
- }
- bt_pci_release_resources(dev);
- device_set_desc(dev, "Buslogic Multi-Master SCSI Host Adapter");
- return (0);
- }
- default:
- break;
- }
-
- return (ENXIO);
-}
-
-static int
-bt_pci_attach(device_t dev)
-{
- struct bt_softc *bt = device_get_softc(dev);
- int opri;
- int error;
-
- /* Initialize softc */
- error = bt_pci_alloc_resources(dev);
- if (error) {
- device_printf(dev, "can't allocate resources in bt_pci_attach\n");
- return error;
- }
-
- /* Allocate a dmatag for our CCB DMA maps */
- /* XXX Should be a child of the PCI bus dma tag */
- if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/1, /*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_pci_release_resources(dev);
- return (ENOMEM);
- }
-
- /*
- * Protect ourself from spurrious interrupts during
- * intialization and attach. We should really rely
- * on interrupts during attach, but we don't have
- * access to our interrupts during ISA probes, so until
- * that changes, we mask our interrupts during attach
- * too.
- */
- opri = splcam();
-
- if (bt_probe(dev) || bt_fetch_adapter_info(dev) || bt_init(dev)) {
- bt_pci_release_resources(dev);
- splx(opri);
- return (ENXIO);
- }
-
- error = bt_attach(dev);
- splx(opri);
-
- if (error) {
- bt_pci_release_resources(dev);
- return (error);
- }
-
- return (0);
-}
-
-static device_method_t bt_pci_methods[] = {
- /* Device interface */
- DEVMETHOD(device_probe, bt_pci_probe),
- DEVMETHOD(device_attach, bt_pci_attach),
-
- { 0, 0 }
-};
-
-static driver_t bt_pci_driver = {
- "bt",
- bt_pci_methods,
- sizeof(struct bt_softc),
-};
-
-static devclass_t bt_devclass;
-
-DRIVER_MODULE(bt, pci, bt_pci_driver, bt_devclass, 0, 0);
OpenPOWER on IntegriCloud