WSL2-Linux-Kernel/drivers/scsi/pcmcia/fdomain_cs.c

98 строки
2.5 KiB
C

// SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1)
/*
* Driver for Future Domain-compatible PCMCIA SCSI cards
* Copyright 2019 Ondrej Zary
*
* The initial developer of the original code is David A. Hinds
* <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <scsi/scsi_host.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>
#include "fdomain.h"
MODULE_AUTHOR("Ondrej Zary, David Hinds");
MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver");
MODULE_LICENSE("Dual MPL/GPL");
static int fdomain_config_check(struct pcmcia_device *p_dev, void *priv_data)
{
p_dev->io_lines = 10;
p_dev->resource[0]->end = FDOMAIN_REGION_SIZE;
p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
return pcmcia_request_io(p_dev);
}
static int fdomain_probe(struct pcmcia_device *link)
{
int ret;
struct Scsi_Host *sh;
link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
link->config_regs = PRESENT_OPTION;
ret = pcmcia_loop_config(link, fdomain_config_check, NULL);
if (ret)
return ret;
ret = pcmcia_enable_device(link);
if (ret)
goto fail_disable;
if (!request_region(link->resource[0]->start, FDOMAIN_REGION_SIZE,
"fdomain_cs")) {
ret = -EBUSY;
goto fail_disable;
}
sh = fdomain_create(link->resource[0]->start, link->irq, 7, &link->dev);
if (!sh) {
dev_err(&link->dev, "Controller initialization failed");
ret = -ENODEV;
goto fail_release;
}
link->priv = sh;
return 0;
fail_release:
release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE);
fail_disable:
pcmcia_disable_device(link);
return ret;
}
static void fdomain_remove(struct pcmcia_device *link)
{
fdomain_destroy(link->priv);
release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE);
pcmcia_disable_device(link);
}
static const struct pcmcia_device_id fdomain_ids[] = {
PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88,
0x859cad20),
PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation",
"SCSI PCMCIA Credit Card Controller",
0x182bdafe, 0xc80d106f),
PCMCIA_DEVICE_NULL,
};
MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
static struct pcmcia_driver fdomain_cs_driver = {
.owner = THIS_MODULE,
.name = "fdomain_cs",
.probe = fdomain_probe,
.remove = fdomain_remove,
.id_table = fdomain_ids,
};
module_pcmcia_driver(fdomain_cs_driver);