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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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8674a8aa2c
Add PCMCIA card support to Future Domain SCSI driver. Tested with IBM SCSI PCMCIA Adapter 40G1890. Signed-off-by: Ondrej Zary <linux@zary.sk> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
// SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1)
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/*
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* Driver for Future Domain-compatible PCMCIA SCSI cards
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* Copyright 2019 Ondrej Zary
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*
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* The initial developer of the original code is David A. Hinds
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* <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
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* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <scsi/scsi_host.h>
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#include <pcmcia/cistpl.h>
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#include <pcmcia/ds.h>
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#include "fdomain.h"
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MODULE_AUTHOR("Ondrej Zary, David Hinds");
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MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver");
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MODULE_LICENSE("Dual MPL/GPL");
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static int fdomain_config_check(struct pcmcia_device *p_dev, void *priv_data)
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{
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p_dev->io_lines = 10;
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p_dev->resource[0]->end = FDOMAIN_REGION_SIZE;
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p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
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p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
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return pcmcia_request_io(p_dev);
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}
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static int fdomain_probe(struct pcmcia_device *link)
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{
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int ret;
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struct Scsi_Host *sh;
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link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
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link->config_regs = PRESENT_OPTION;
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ret = pcmcia_loop_config(link, fdomain_config_check, NULL);
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if (ret)
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return ret;
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ret = pcmcia_enable_device(link);
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if (ret)
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goto fail_disable;
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if (!request_region(link->resource[0]->start, FDOMAIN_REGION_SIZE,
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"fdomain_cs"))
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goto fail_disable;
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sh = fdomain_create(link->resource[0]->start, link->irq, 7, &link->dev);
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if (!sh) {
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dev_err(&link->dev, "Controller initialization failed");
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ret = -ENODEV;
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goto fail_release;
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}
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link->priv = sh;
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return 0;
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fail_release:
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release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE);
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fail_disable:
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pcmcia_disable_device(link);
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return ret;
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}
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static void fdomain_remove(struct pcmcia_device *link)
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{
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fdomain_destroy(link->priv);
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release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE);
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pcmcia_disable_device(link);
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}
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static const struct pcmcia_device_id fdomain_ids[] = {
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PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88,
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0x859cad20),
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PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
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PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation",
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"SCSI PCMCIA Credit Card Controller",
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0x182bdafe, 0xc80d106f),
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PCMCIA_DEVICE_NULL,
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};
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MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
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static struct pcmcia_driver fdomain_cs_driver = {
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.owner = THIS_MODULE,
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.name = "fdomain_cs",
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.probe = fdomain_probe,
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.remove = fdomain_remove,
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.id_table = fdomain_ids,
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};
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module_pcmcia_driver(fdomain_cs_driver);
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