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-rw-r--r--sys/dev/ida/ida_pci.c304
1 files changed, 304 insertions, 0 deletions
diff --git a/sys/dev/ida/ida_pci.c b/sys/dev/ida/ida_pci.c
new file mode 100644
index 0000000..c836de0
--- /dev/null
+++ b/sys/dev/ida/ida_pci.c
@@ -0,0 +1,304 @@
+/*-
+ * Copyright (c) 1999,2000 Jonathan Lemon
+ * 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.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 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/bio.h>
+#include <sys/bus.h>
+#include <sys/conf.h>
+
+#include <machine/bus_memio.h>
+#include <machine/bus_pio.h>
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/rman.h>
+
+#include <pci/pcireg.h>
+#include <pci/pcivar.h>
+
+#include <geom/geom_disk.h>
+
+#include <dev/ida/idavar.h>
+#include <dev/ida/idareg.h>
+
+#define IDA_PCI_MAX_DMA_ADDR 0xFFFFFFFF
+#define IDA_PCI_MAX_DMA_COUNT 0xFFFFFFFF
+
+#define IDA_PCI_MEMADDR (PCIR_MAPS + 4) /* Mem I/O Address */
+
+#define IDA_DEVICEID_SMART 0xAE100E11
+#define IDA_DEVICEID_DEC_SMART 0x00461011
+#define IDA_DEVICEID_NCR_53C1510 0x00101000
+
+static int
+ida_v3_fifo_full(struct ida_softc *ida)
+{
+ return (ida_inl(ida, R_CMD_FIFO) == 0);
+}
+
+static void
+ida_v3_submit(struct ida_softc *ida, struct ida_qcb *qcb)
+{
+ ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr);
+}
+
+static bus_addr_t
+ida_v3_done(struct ida_softc *ida)
+{
+ return (ida_inl(ida, R_DONE_FIFO));
+}
+
+static int
+ida_v3_int_pending(struct ida_softc *ida)
+{
+ return (ida_inl(ida, R_INT_PENDING));
+}
+
+static void
+ida_v3_int_enable(struct ida_softc *ida, int enable)
+{
+ if (enable)
+ ida->flags |= IDA_INTERRUPTS;
+ else
+ ida->flags &= ~IDA_INTERRUPTS;
+ ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE);
+}
+
+static int
+ida_v4_fifo_full(struct ida_softc *ida)
+{
+ return (ida_inl(ida, R_42XX_REQUEST) != 0);
+}
+
+static void
+ida_v4_submit(struct ida_softc *ida, struct ida_qcb *qcb)
+{
+ ida_outl(ida, R_42XX_REQUEST, qcb->hwqcb_busaddr);
+}
+
+static bus_addr_t
+ida_v4_done(struct ida_softc *ida)
+{
+ bus_addr_t completed;
+
+ completed = ida_inl(ida, R_42XX_REPLY);
+ if (completed == -1)
+ return (0); /* fifo is empty */
+ ida_outl(ida, R_42XX_REPLY, 0); /* confirm read */
+ return (completed);
+}
+
+static int
+ida_v4_int_pending(struct ida_softc *ida)
+{
+ return (ida_inl(ida, R_42XX_STATUS) & STATUS_42XX_INT_PENDING);
+}
+
+static void
+ida_v4_int_enable(struct ida_softc *ida, int enable)
+{
+ if (enable)
+ ida->flags |= IDA_INTERRUPTS;
+ else
+ ida->flags &= ~IDA_INTERRUPTS;
+ ida_outl(ida, R_42XX_INT_MASK,
+ enable ? INT_ENABLE_42XX : INT_DISABLE_42XX);
+}
+
+static struct ida_access ida_v3_access = {
+ ida_v3_fifo_full,
+ ida_v3_submit,
+ ida_v3_done,
+ ida_v3_int_pending,
+ ida_v3_int_enable,
+};
+
+static struct ida_access ida_v4_access = {
+ ida_v4_fifo_full,
+ ida_v4_submit,
+ ida_v4_done,
+ ida_v4_int_pending,
+ ida_v4_int_enable,
+};
+
+static struct ida_board board_id[] = {
+ { 0x40300E11, "Compaq SMART-2/P array controller",
+ &ida_v3_access, 0 },
+ { 0x40310E11, "Compaq SMART-2SL array controller",
+ &ida_v3_access, 0 },
+ { 0x40320E11, "Compaq Smart Array 3200 controller",
+ &ida_v3_access, 0 },
+ { 0x40330E11, "Compaq Smart Array 3100ES controller",
+ &ida_v3_access, 0 },
+ { 0x40340E11, "Compaq Smart Array 221 controller",
+ &ida_v3_access, 0 },
+
+ { 0x40400E11, "Compaq Integrated Array controller",
+ &ida_v4_access, IDA_FIRMWARE },
+ { 0x40480E11, "Compaq RAID LC2 controller",
+ &ida_v4_access, IDA_FIRMWARE },
+ { 0x40500E11, "Compaq Smart Array 4200 controller",
+ &ida_v4_access, 0 },
+ { 0x40510E11, "Compaq Smart Array 4250ES controller",
+ &ida_v4_access, 0 },
+ { 0x40580E11, "Compaq Smart Array 431 controller",
+ &ida_v4_access, 0 },
+
+ { 0, "", 0, 0 },
+};
+
+static int ida_pci_probe(device_t dev);
+static int ida_pci_attach(device_t dev);
+
+static device_method_t ida_pci_methods[] = {
+ DEVMETHOD(device_probe, ida_pci_probe),
+ DEVMETHOD(device_attach, ida_pci_attach),
+ DEVMETHOD(device_detach, ida_detach),
+
+ DEVMETHOD(bus_print_child, bus_generic_print_child),
+
+ { 0, 0 }
+};
+
+static driver_t ida_pci_driver = {
+ "ida",
+ ida_pci_methods,
+ sizeof(struct ida_softc)
+};
+
+static devclass_t ida_devclass;
+
+static struct ida_board *
+ida_pci_match(device_t dev)
+{
+ int i;
+ u_int32_t id, sub_id;
+
+ id = pci_get_devid(dev);
+ sub_id = pci_get_subdevice(dev) << 16 | pci_get_subvendor(dev);
+
+ if (id == IDA_DEVICEID_SMART ||
+ id == IDA_DEVICEID_DEC_SMART ||
+ id == IDA_DEVICEID_NCR_53C1510) {
+ for (i = 0; board_id[i].board; i++)
+ if (board_id[i].board == sub_id)
+ return (&board_id[i]);
+ }
+ return (NULL);
+}
+
+static int
+ida_pci_probe(device_t dev)
+{
+ struct ida_board *board = ida_pci_match(dev);
+
+ if (board != NULL) {
+ device_set_desc(dev, board->desc);
+ return (0);
+ }
+ return (ENXIO);
+}
+
+static int
+ida_pci_attach(device_t dev)
+{
+ struct ida_board *board = ida_pci_match(dev);
+ u_int32_t id = pci_get_devid(dev);
+ struct ida_softc *ida;
+ u_int command;
+ int error, rid;
+
+ command = pci_read_config(dev, PCIR_COMMAND, 1);
+
+ /*
+ * it appears that this board only does MEMIO access.
+ */
+ if ((command & PCIM_CMD_MEMEN) == 0) {
+ device_printf(dev, "Only memory mapped I/O is supported\n");
+ return (ENXIO);
+ }
+
+ ida = (struct ida_softc *)device_get_softc(dev);
+ ida->dev = dev;
+ ida->cmd = *board->accessor;
+ ida->flags = board->flags;
+
+ ida->regs_res_type = SYS_RES_MEMORY;
+ ida->regs_res_id = IDA_PCI_MEMADDR;
+ if (id == IDA_DEVICEID_DEC_SMART)
+ ida->regs_res_id = PCIR_MAPS;
+
+ ida->regs = bus_alloc_resource(dev, ida->regs_res_type,
+ &ida->regs_res_id, 0, ~0, 1, RF_ACTIVE);
+ if (ida->regs == NULL) {
+ device_printf(dev, "can't allocate memory resources\n");
+ return (ENOMEM);
+ }
+
+ error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1,
+ /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
+ /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL,
+ /*maxsize*/MAXBSIZE, /*nsegments*/IDA_NSEG,
+ /*maxsegsize*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/BUS_DMA_ALLOCNOW,
+ &ida->parent_dmat);
+ if (error != 0) {
+ device_printf(dev, "can't allocate DMA tag\n");
+ ida_free(ida);
+ return (ENOMEM);
+ }
+
+ rid = 0;
+ ida->irq_res_type = SYS_RES_IRQ;
+ ida->irq = bus_alloc_resource(dev, ida->irq_res_type, &rid,
+ 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
+ if (ida->irq == NULL) {
+ ida_free(ida);
+ return (ENOMEM);
+ }
+ error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO | INTR_ENTROPY,
+ ida_intr, ida, &ida->ih);
+ if (error) {
+ device_printf(dev, "can't setup interrupt\n");
+ ida_free(ida);
+ return (ENOMEM);
+ }
+
+ error = ida_init(ida);
+ if (error) {
+ ida_free(ida);
+ return (error);
+ }
+ ida_attach(ida);
+ ida->flags |= IDA_ATTACHED;
+
+ return (0);
+}
+
+DRIVER_MODULE(ida, pci, ida_pci_driver, ida_devclass, 0, 0);
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