freebsd-dev/sys/mips/rmi/xlr_pcmcia.c

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/*-
* Copyright (c) 2003-2009 RMI Corporation
* 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.
* 3. Neither the name of RMI Corporation, nor the names of its contributors,
* may 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.
*
* RMI_BSD */
/*
* ATA driver for the XLR_PCMCIA Host adapter on the RMI XLR/XLS/.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/rman.h>
#include <vm/uma.h>
#include <sys/ata.h>
#include <sys/sema.h>
#include <sys/taskqueue.h>
#include <sys/bus_dma.h>
#include <dev/ata/ata-all.h>
#include <mips/rmi/pic.h>
#include <mips/rmi/iomap.h>
#include <mips/include/resource.h>
#include <mips/rmi/interrupt.h>
#define XLR_PCMCIA_DATA_REG 0x1f0
#define XLR_PCMCIA_ERROR_REG 0x1f1
#define XLR_PCMCIA_SECT_CNT_REG 0x1f2
#define XLR_PCMCIA_SECT_NUM_REG 0x1f3
#define XLR_PCMCIA_CYLINDER_LOW_REG 0x1f4
#define XLR_PCMCIA_CYLINDER_HIGH_REG 0x1f5
#define XLR_PCMCIA_SECT_DRIVE_HEAD_REG 0x1f6
#define XLR_PCMCIA_CMD_STATUS_REG 0x1f7
#define XLR_PCMCIA_ALT_STATUS_REG 0x3f6
#define XLR_PCMCIA_CONTROL_REG 0x3f6
/*
* Device methods
*/
static int xlr_pcmcia_probe(device_t);
static int xlr_pcmcia_attach(device_t);
static int xlr_pcmcia_detach(device_t);
static int
xlr_pcmcia_probe(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
ch->unit = 0;
ch->flags |= ATA_USE_16BIT | ATA_NO_SLAVE ;
device_set_desc(dev, "PCMCIA ATA controller");
return (ata_probe(dev));
}
/*
* We add all the devices which we know about.
* The generic attach routine will attach them if they are alive.
*/
static int
xlr_pcmcia_attach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
int i;
int rid =0;
struct resource *mem_res;
mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
for (i = 0; i < ATA_MAX_RES; i++)
ch->r_io[i].res = mem_res;
/*
* CF+ Specification.
*/
ch->r_io[ATA_DATA].offset = XLR_PCMCIA_DATA_REG;
ch->r_io[ATA_FEATURE].offset = XLR_PCMCIA_ERROR_REG;
ch->r_io[ATA_COUNT].offset = XLR_PCMCIA_SECT_CNT_REG;
ch->r_io[ATA_SECTOR].offset = XLR_PCMCIA_SECT_NUM_REG;
ch->r_io[ATA_CYL_LSB].offset = XLR_PCMCIA_CYLINDER_LOW_REG;
ch->r_io[ATA_CYL_MSB].offset = XLR_PCMCIA_CYLINDER_HIGH_REG;
ch->r_io[ATA_DRIVE].offset = XLR_PCMCIA_SECT_DRIVE_HEAD_REG;
ch->r_io[ATA_COMMAND].offset = XLR_PCMCIA_CMD_STATUS_REG;
ch->r_io[ATA_ERROR].offset = XLR_PCMCIA_ERROR_REG;
ch->r_io[ATA_IREASON].offset = XLR_PCMCIA_SECT_CNT_REG;
ch->r_io[ATA_STATUS].offset = XLR_PCMCIA_CMD_STATUS_REG;
ch->r_io[ATA_ALTSTAT].offset = XLR_PCMCIA_ALT_STATUS_REG;
ch->r_io[ATA_CONTROL].offset = XLR_PCMCIA_CONTROL_REG;
/* Should point at the base of registers. */
ch->r_io[ATA_IDX_ADDR].offset = XLR_PCMCIA_DATA_REG;
ata_generic_hw(dev);
return (ata_attach(dev));
}
static int
xlr_pcmcia_detach(device_t dev)
{
bus_generic_detach(dev);
return (0);
}
static device_method_t xlr_pcmcia_methods[] = {
/* device interface */
DEVMETHOD(device_probe, xlr_pcmcia_probe),
DEVMETHOD(device_attach, xlr_pcmcia_attach),
DEVMETHOD(device_detach, xlr_pcmcia_detach),
{ 0, 0 }
};
static driver_t xlr_pcmcia_driver = {
"ata",
xlr_pcmcia_methods,
sizeof(struct ata_channel),
};
DRIVER_MODULE(ata, iodi, xlr_pcmcia_driver, ata_devclass, 0, 0);