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/*-
* Copyright (c) 1999 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.
*
* $Id: ida_pci.c,v 1.3 1999/07/29 01:03:02 mdodd Exp $
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/buf.h>
#include <sys/bus.h>
#include <sys/device.h>
#include <sys/devicestat.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 <dev/ida/idavar.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
static struct {
u_long board;
char *desc;
} board_id[] = {
{ 0x4030, "Compaq SMART-2/P array controller" },
{ 0x4031, "Compaq SMART-2SL array controller" },
{ 0x4032, "Compaq Smart Array 3200 controller" },
{ 0x4033, "Compaq Smart Array 3100ES controller" },
{ 0x4034, "Compaq Smart Array 221 controller" },
{ 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(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 int
ida_pci_probe(device_t dev)
{
u_long board;
int i;
if (pci_get_devid(dev) == IDA_DEVICEID_SMART) {
board = pci_get_subdevice(dev);
for (i = 0; board_id[i].board; i++) {
if (board_id[i].board == board) {
device_set_desc(dev, board_id[i].desc);
return (0);
}
}
/*
* It's an unknown Compaq SMART device, but assume we
* can support it.
*/
device_set_desc(dev, "Unknown Compaq Smart Array controller");
return (0);
}
return (ENXIO);
}
static int
ida_pci_attach(device_t dev)
{
struct ida_softc *ida;
u_int command;
int error, rid;
command = pci_read_config(dev, PCIR_COMMAND, 1);
/*
* for multiple card types, need to re-determine which type is
* being attached here
*/
/*
* 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->regs_res_type = SYS_RES_MEMORY;
ida->regs_res_id = IDA_PCI_MEMADDR;
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 register 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,
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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