150 lines
4.6 KiB
C
150 lines
4.6 KiB
C
/*-
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* Copyright (c) 2003-2009 RMI Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of RMI Corporation, nor the names of its contributors,
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* RMI_BSD */
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/*
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* ATA driver for the XLR_PCMCIA Host adapter on the RMI XLR/XLS/.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include <vm/uma.h>
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#include <sys/ata.h>
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#include <sys/sema.h>
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#include <sys/taskqueue.h>
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#include <sys/bus_dma.h>
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#include <dev/ata/ata-all.h>
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#include <mips/rmi/pic.h>
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#include <mips/rmi/iomap.h>
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#include <mips/include/resource.h>
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#include <mips/rmi/interrupt.h>
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#define XLR_PCMCIA_DATA_REG 0x1f0
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#define XLR_PCMCIA_ERROR_REG 0x1f1
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#define XLR_PCMCIA_SECT_CNT_REG 0x1f2
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#define XLR_PCMCIA_SECT_NUM_REG 0x1f3
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#define XLR_PCMCIA_CYLINDER_LOW_REG 0x1f4
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#define XLR_PCMCIA_CYLINDER_HIGH_REG 0x1f5
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#define XLR_PCMCIA_SECT_DRIVE_HEAD_REG 0x1f6
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#define XLR_PCMCIA_CMD_STATUS_REG 0x1f7
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#define XLR_PCMCIA_ALT_STATUS_REG 0x3f6
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#define XLR_PCMCIA_CONTROL_REG 0x3f6
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/*
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* Device methods
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*/
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static int xlr_pcmcia_probe(device_t);
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static int xlr_pcmcia_attach(device_t);
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static int xlr_pcmcia_detach(device_t);
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static int
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xlr_pcmcia_probe(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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ch->unit = 0;
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ch->flags |= ATA_USE_16BIT | ATA_NO_SLAVE ;
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device_set_desc(dev, "PCMCIA ATA controller");
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return (ata_probe(dev));
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}
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/*
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* We add all the devices which we know about.
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* The generic attach routine will attach them if they are alive.
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*/
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static int
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xlr_pcmcia_attach(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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int i;
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int rid =0;
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struct resource *mem_res;
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mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
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for (i = 0; i < ATA_MAX_RES; i++)
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ch->r_io[i].res = mem_res;
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/*
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* CF+ Specification.
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*/
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ch->r_io[ATA_DATA].offset = XLR_PCMCIA_DATA_REG;
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ch->r_io[ATA_FEATURE].offset = XLR_PCMCIA_ERROR_REG;
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ch->r_io[ATA_COUNT].offset = XLR_PCMCIA_SECT_CNT_REG;
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ch->r_io[ATA_SECTOR].offset = XLR_PCMCIA_SECT_NUM_REG;
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ch->r_io[ATA_CYL_LSB].offset = XLR_PCMCIA_CYLINDER_LOW_REG;
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ch->r_io[ATA_CYL_MSB].offset = XLR_PCMCIA_CYLINDER_HIGH_REG;
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ch->r_io[ATA_DRIVE].offset = XLR_PCMCIA_SECT_DRIVE_HEAD_REG;
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ch->r_io[ATA_COMMAND].offset = XLR_PCMCIA_CMD_STATUS_REG;
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ch->r_io[ATA_ERROR].offset = XLR_PCMCIA_ERROR_REG;
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ch->r_io[ATA_IREASON].offset = XLR_PCMCIA_SECT_CNT_REG;
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ch->r_io[ATA_STATUS].offset = XLR_PCMCIA_CMD_STATUS_REG;
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ch->r_io[ATA_ALTSTAT].offset = XLR_PCMCIA_ALT_STATUS_REG;
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ch->r_io[ATA_CONTROL].offset = XLR_PCMCIA_CONTROL_REG;
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/* Should point at the base of registers. */
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ch->r_io[ATA_IDX_ADDR].offset = XLR_PCMCIA_DATA_REG;
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ata_generic_hw(dev);
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return (ata_attach(dev));
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}
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static int
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xlr_pcmcia_detach(device_t dev)
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{
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bus_generic_detach(dev);
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return (0);
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}
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static device_method_t xlr_pcmcia_methods[] = {
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/* device interface */
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DEVMETHOD(device_probe, xlr_pcmcia_probe),
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DEVMETHOD(device_attach, xlr_pcmcia_attach),
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DEVMETHOD(device_detach, xlr_pcmcia_detach),
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{ 0, 0 }
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};
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static driver_t xlr_pcmcia_driver = {
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"ata",
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xlr_pcmcia_methods,
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sizeof(struct ata_channel),
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};
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DRIVER_MODULE(ata, iodi, xlr_pcmcia_driver, ata_devclass, 0, 0);
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