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                goto fail_disable;
  50
  51        sh = fdomain_create(link->resource[0]->start, link->irq, 7, &link->dev);
  52        if (!sh) {
  53                dev_err(&link->dev, "Controller initialization failed");
  54                ret = -ENODEV;
  55                goto fail_release;
  56        }
  57
  58        link->priv = sh;
  59
  60        return 0;
  61
  62fail_release:
  63        release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE);
  64fail_disable:
  65        pcmcia_disable_device(link);
  66        return ret;
  67}
  68
  69static void fdomain_remove(struct pcmcia_device *link)
  70{
  71        fdomain_destroy(link->priv);
  72        release_region(link->resource[0]->start, FDOMAIN_REGION_SIZE);
  73        pcmcia_disable_device(link);
  74}
  75
  76static const struct pcmcia_device_id fdomain_ids[] = {
  77        PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88,
  78                                0x859cad20),
  79        PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
  80        PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation",
  81                                "SCSI PCMCIA Credit Card Controller",
  82                                0x182bdafe, 0xc80d106f),
  83        PCMCIA_DEVICE_NULL,
  84};
  85MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
  86
  87static struct pcmcia_driver fdomain_cs_driver = {
  88        .owner          = THIS_MODULE,
  89        .name           = "fdomain_cs",
  90        .probe          = fdomain_probe,
  91        .remove         = fdomain_remove,
  92        .id_table       = fdomain_ids,
  93};
  94
  95module_pcmcia_driver(fdomain_cs_driver);
  96