diff options
author | mdodd <mdodd@FreeBSD.org> | 1999-10-09 06:28:18 +0000 |
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committer | mdodd <mdodd@FreeBSD.org> | 1999-10-09 06:28:18 +0000 |
commit | 452a78e08bd2d4537c503dbd1663ea0fd9667241 (patch) | |
tree | c14be2cb007961d81bc0380bd3028b7f831d521b /sys/isa | |
parent | ab7a87c594b1b8c7d30567d8bb3de5e9d898c374 (diff) | |
download | FreeBSD-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.c | 343 |
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); |