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-rw-r--r--sys/dev/buslogic/bt_eisa.c352
1 files changed, 352 insertions, 0 deletions
diff --git a/sys/dev/buslogic/bt_eisa.c b/sys/dev/buslogic/bt_eisa.c
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--- /dev/null
+++ b/sys/dev/buslogic/bt_eisa.c
@@ -0,0 +1,352 @@
+/*
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#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 <dev/eisa/eisaconf.h>
+
+#include <dev/buslogic/btreg.h>
+
+#define EISA_DEVICE_ID_BUSLOGIC_74X_B 0x0ab34201
+#define EISA_DEVICE_ID_BUSLOGIC_74X_C 0x0ab34202
+#define EISA_DEVICE_ID_SDC3222B 0x0ab34281
+#define EISA_DEVICE_ID_SDC3222F 0x0ab34781
+#define EISA_DEVICE_ID_SDC3222WS 0x0ab34981
+#define EISA_DEVICE_ID_SDC3222WB 0x0ab34982
+#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");
+ case EISA_DEVICE_ID_BUSLOGIC_74X_C:
+ return ("Buslogic 74xC SCSI host adapter");
+ case EISA_DEVICE_ID_SDC3222B:
+ return ("Storage Dimensions SDC3222B SCSI host adapter");
+ case EISA_DEVICE_ID_SDC3222F:
+ return ("Storage Dimensions SDC3222F SCSI host adapter");
+ case EISA_DEVICE_ID_SDC3222WS:
+ return ("Storage Dimensions SDC3222WS SCSI host adapter");
+ case EISA_DEVICE_ID_SDC3222WB:
+ return ("Storage Dimensions SDC3222WB SCSI host adapter");
+ case EISA_DEVICE_ID_AMI_4801:
+ return ("AMI Series 48 SCSI host adapter");
+ 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 */ 1,
+ /* boundary */ 0,
+ /* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
+ /* highaddr */ BUS_SPACE_MAXADDR,
+ /* filter */ NULL,
+ /* filterarg */ NULL,
+ /* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
+ /* nsegments */ ~0,
+ /* 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);
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