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authormdodd <mdodd@FreeBSD.org>1999-10-09 06:28:18 +0000
committermdodd <mdodd@FreeBSD.org>1999-10-09 06:28:18 +0000
commit452a78e08bd2d4537c503dbd1663ea0fd9667241 (patch)
treec14be2cb007961d81bc0380bd3028b7f831d521b /sys/isa
parentab7a87c594b1b8c7d30567d8bb3de5e9d898c374 (diff)
downloadFreeBSD-src-452a78e08bd2d4537c503dbd1663ea0fd9667241.zip
FreeBSD-src-452a78e08bd2d4537c503dbd1663ea0fd9667241.tar.gz
Remove old copies. These files now live in src/sys/dev/buslogic
Diffstat (limited to 'sys/isa')
-rw-r--r--sys/isa/bt_isa.c343
1 files changed, 0 insertions, 343 deletions
diff --git a/sys/isa/bt_isa.c b/sys/isa/bt_isa.c
deleted file mode 100644
index b51fe8e..0000000
--- a/sys/isa/bt_isa.c
+++ /dev/null
@@ -1,343 +0,0 @@
-/*
- * Product specific probe and attach routines for:
- * Buslogic BT-54X and BT-445 cards
- *
- * Copyright (c) 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, 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/module.h>
-#include <sys/bus.h>
-
-#include <machine/bus_pio.h>
-#include <machine/bus.h>
-#include <machine/resource.h>
-#include <sys/rman.h>
-
-#include <isa/isavar.h>
-#include <dev/buslogic/btreg.h>
-
-#include <cam/scsi/scsi_all.h>
-
-static bus_dma_filter_t btvlbouncefilter;
-static bus_dmamap_callback_t btmapsensebuffers;
-
-static int
-bt_isa_alloc_resources(device_t dev, u_long portstart, u_long portend)
-{
- int rid;
- struct resource *port;
- struct resource *irq;
- struct resource *drq;
-
- rid = 0;
- port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
- portstart, portend, BT_NREGS, RF_ACTIVE);
- if (!port)
- return (ENOMEM);
-
- if (isa_get_irq(dev) != -1) {
- rid = 0;
- irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
- 0, ~0, 1, RF_ACTIVE);
- if (!irq) {
- if (port)
- bus_release_resource(dev, SYS_RES_IOPORT,
- 0, port);
- return (ENOMEM);
- }
- } else
- irq = 0;
-
- if (isa_get_drq(dev) != -1) {
- rid = 0;
- drq = bus_alloc_resource(dev, SYS_RES_DRQ, &rid,
- 0, ~0, 1, RF_ACTIVE);
- if (!drq) {
- if (port)
- bus_release_resource(dev, SYS_RES_IOPORT,
- 0, port);
- if (irq)
- bus_release_resource(dev, SYS_RES_IRQ,
- 0, irq);
- return (ENOMEM);
- }
- } else
- drq = 0;
-
- bt_init_softc(dev, port, irq, drq);
-
- return (0);
-}
-
-static void
-bt_isa_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);
- if (bt->drq)
- bus_release_resource(dev, SYS_RES_DRQ, 0, bt->drq);
- bt_free_softc(dev);
-}
-
-/*
- * Check if the device can be found at the port given
- * and if so, set it up ready for further work
- * as an argument, takes the isa_device structure from
- * autoconf.c
- */
-static int
-bt_isa_probe(device_t dev)
-{
- /*
- * find unit and check we have that many defined
- */
- int port_index;
- int max_port_index;
-
- /* No pnp support */
- if (isa_get_vendorid(dev))
- return (ENXIO);
-
- port_index = 0;
- max_port_index = BT_NUM_ISAPORTS - 1;
- /*
- * Bound our board search if the user has
- * specified an exact port.
- */
- bt_find_probe_range(isa_get_port(dev), &port_index, &max_port_index);
-
- if (port_index < 0)
- return (ENXIO);
-
- /* Attempt to find an adapter */
- for (;port_index <= max_port_index; port_index++) {
- struct bt_probe_info info;
- u_int ioport;
-
- ioport = bt_iop_from_bio(port_index);
-
- /*
- * Ensure this port has not already been claimed already
- * by a PCI, EISA or ISA adapter.
- */
- if (bt_check_probed_iop(ioport) != 0)
- continue;
-
- /* Initialise the softc for use during probing */
- if (bt_isa_alloc_resources(dev, ioport,
- ioport + BT_NREGS -1) != 0)
- continue;
-
- /* We're going to attempt to probe it now, so mark it probed */
- bt_mark_probed_bio(port_index);
-
- if (bt_port_probe(dev, &info) != 0) {
- if (bootverbose)
- printf("bt_isa_probe: Probe failed at 0x%x\n",
- ioport);
- bt_isa_release_resources(dev);
- continue;
- }
-
- bt_isa_release_resources(dev);
-
- ISA_SET_RESOURCE(device_get_parent(dev), dev,
- SYS_RES_DRQ, 0, info.drq, 1);
- ISA_SET_RESOURCE(device_get_parent(dev), dev,
- SYS_RES_IRQ, 0, info.irq, 1);
-
- return (0);
- }
-
- return (ENXIO);
-}
-
-/*
- * Attach all the sub-devices we can find
- */
-static int
-bt_isa_attach(device_t dev)
-{
- struct bt_softc *bt = device_get_softc(dev);
- bus_dma_filter_t *filter;
- void *filter_arg;
- bus_addr_t lowaddr;
- int error, drq;
-
- /* Initialise softc */
- error = bt_isa_alloc_resources(dev, 0, ~0);
- if (error) {
- device_printf(dev, "can't allocate resources in bt_isa_attach\n");
- return error;
- }
-
- /* Program the DMA channel for external control */
- if ((drq = isa_get_drq(dev)) != -1)
- isa_dmacascade(drq);
-
- /* Allocate our parent dmatag */
- filter = NULL;
- filter_arg = NULL;
- lowaddr = BUS_SPACE_MAXADDR_24BIT;
- if (bt->model[0] == '4') {
- /*
- * This is a VL adapter. Typically, VL devices have access
- * to the full 32bit address space. On BT-445S adapters
- * prior to revision E, there is a hardware bug that causes
- * corruption of transfers to/from addresses in the range of
- * the BIOS modulo 16MB. The only properly functioning
- * BT-445S Host Adapters have firmware version 3.37.
- * If we encounter one of these adapters and the BIOS is
- * installed, install a filter function for our bus_dma_map
- * that will catch these accesses and bounce them to a safe
- * region of memory.
- */
- if (bt->bios_addr != 0
- && strcmp(bt->model, "445S") == 0
- && strcmp(bt->firmware_ver, "3.37") < 0) {
- filter = btvlbouncefilter;
- filter_arg = bt;
- } else {
- lowaddr = BUS_SPACE_MAXADDR_32BIT;
- }
- }
-
- /* XXX Should be a child of the ISA or VL bus dma tag */
- if (bus_dma_tag_create(/*parent*/NULL, /*alignemnt*/1, /*boundary*/0,
- lowaddr, /*highaddr*/BUS_SPACE_MAXADDR,
- filter, filter_arg,
- /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
- /*nsegments*/BUS_SPACE_UNRESTRICTED,
- /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
- /*flags*/0, &bt->parent_dmat) != 0) {
- bt_isa_release_resources(dev);
- return (ENOMEM);
- }
-
- error = bt_init(dev);
- if (error) {
- bt_isa_release_resources(dev);
- return (ENOMEM);
- }
-
- if (lowaddr != BUS_SPACE_MAXADDR_32BIT) {
- /* DMA tag for our sense buffers */
- if (bus_dma_tag_create(bt->parent_dmat, /*alignment*/1,
- /*boundary*/0,
- /*lowaddr*/BUS_SPACE_MAXADDR,
- /*highaddr*/BUS_SPACE_MAXADDR,
- /*filter*/NULL, /*filterarg*/NULL,
- bt->max_ccbs
- * sizeof(struct scsi_sense_data),
- /*nsegments*/1,
- /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
- /*flags*/0, &bt->sense_dmat) != 0) {
- bt_isa_release_resources(dev);
- return (ENOMEM);
- }
-
- bt->init_level++;
-
- /* Allocation of sense buffers */
- if (bus_dmamem_alloc(bt->sense_dmat,
- (void **)&bt->sense_buffers,
- BUS_DMA_NOWAIT, &bt->sense_dmamap) != 0) {
- bt_isa_release_resources(dev);
- return (ENOMEM);
- }
-
- bt->init_level++;
-
- /* And permanently map them */
- bus_dmamap_load(bt->sense_dmat, bt->sense_dmamap,
- bt->sense_buffers,
- bt->max_ccbs * sizeof(*bt->sense_buffers),
- btmapsensebuffers, bt, /*flags*/0);
-
- bt->init_level++;
- }
-
- error = bt_attach(dev);
- if (error) {
- bt_isa_release_resources(dev);
- return (error);
- }
-
- return (0);
-}
-
-#define BIOS_MAP_SIZE (16 * 1024)
-
-static int
-btvlbouncefilter(void *arg, bus_addr_t addr)
-{
- struct bt_softc *bt;
-
- bt = (struct bt_softc *)arg;
-
- addr &= BUS_SPACE_MAXADDR_24BIT;
-
- if (addr == 0
- || (addr >= bt->bios_addr
- && addr < (bt->bios_addr + BIOS_MAP_SIZE)))
- return (1);
- return (0);
-}
-
-static void
-btmapsensebuffers(void *arg, bus_dma_segment_t *segs, int nseg, int error)
-{
- struct bt_softc* bt;
-
- bt = (struct bt_softc*)arg;
- bt->sense_buffers_physbase = segs->ds_addr;
-}
-
-static device_method_t bt_isa_methods[] = {
- /* Device interface */
- DEVMETHOD(device_probe, bt_isa_probe),
- DEVMETHOD(device_attach, bt_isa_attach),
-
- { 0, 0 }
-};
-
-static driver_t bt_isa_driver = {
- "bt",
- bt_isa_methods,
- sizeof(struct bt_softc),
-};
-
-static devclass_t bt_devclass;
-
-DRIVER_MODULE(bt, isa, bt_isa_driver, bt_devclass, 0, 0);
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