LXR linux/drivers/scsi/pcmcia/fdomain

   1// SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1)
   2/*
   3 * Driver for Future Domain-compatible PCMCIA SCSI cards
   4 * Copyright 2019 Ondrej Zary
   5 *
   6 * The initial developer of the original code is David A. Hinds
   7 * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
   8 * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
   9 */
  10
  11#include <linux/module.h>
  12#include <linux/init.h>
  13#include <scsi/scsi_host.h>
  14#include <pcmcia/cistpl.h>
  15#include <pcmcia/ds.h>
  16#include "fdomain.h"
  17
  18MODULE_AUTHOR("Ondrej Zary, David Hinds");
  19MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver");
  20MODULE_LICENSE("Dual MPL/GPL");
  21
  22static int fdomain_config_check(struct pcmcia_device *p_dev, void *priv_data)
  23{
  24        p_dev->io_lines = 10;
  25        p_dev->resource[0]->end = FDOMAIN_REGION_SIZE;
  26        p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
  27        p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
  28        return pcmcia_request_io(p_dev);
  29}
  30
  31static int fdomain_probe(struct pcmcia_device *link)
  32{
  33        int ret;
  34        struct Scsi_Host *sh;
  35
  36        link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
  37        link->config_regs = PRESENT_OPTION;
  38
  39        ret = pcmcia_loop_config(link, fdomain_config_check, NULL);
  40        if (ret)
  41                return ret;
  42
  43        ret = pcmcia_enable_device(link);
  44        if (ret)
  45                goto fail_disable;
  46
  47        if (!request_region(link->resource[0]->start, FDOMAIN_REGION_SIZE,
  48                            "fdomain_cs")) {
  49                ret = -EBUSY;
  50                goto fail_disable;
  51        }
  52
  53        sh = fdomain_create(link->resource[0]->start, link->irq, 7, &link->dev);
  54        if (!sh) {
  55                dev_err(&link->dev, "Controller initialization failed");
  56                ret = -ENODEV;
  57                goto fail_release;
  58        }
  59
  60        link->priv = sh;
  61
  62        return 0;
  63
  64fail_release:
  65        release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE);
  66fail_disable:
  67        pcmcia_disable_device(link);
  68        return ret;
  69}
  70
  71static void fdomain_remove(struct pcmcia_device *link)
  72{
  73        fdomain_destroy(link->priv);
  74        release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE);
  75        pcmcia_disable_device(link);
  76}
  77
  78static const struct pcmcia_device_id fdomain_ids[] = {
  79        PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88,
  80                                0x859cad20),
  81        PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
  82        PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation",
  83                                "SCSI PCMCIA Credit Card Controller",
  84                                0x182bdafe, 0xc80d106f),
  85        PCMCIA_DEVICE_NULL,
  86};
  87MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
  88
  89static struct pcmcia_driver fdomain_cs_driver = {
  90        .owner          = THIS_MODULE,
  91        .name           = "fdomain_cs",
  92        .probe          = fdomain_probe,
  93        .remove         = fdomain_remove,
  94        .id_table       = fdomain_ids,
  95};
  96
  97module_pcmcia_driver(fdomain_cs_driver);
  98