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Subject[RFC PATCH 4/4] fdomain: Resurrect driver (PCMCIA support)
Date
Future Domain PCMCIA SCSI support card support.

Currently untested.

Signed-off-by: Ondrej Zary <linux@zary.sk>
---
drivers/scsi/pcmcia/Kconfig | 10 +++++
drivers/scsi/pcmcia/Makefile | 1 +
drivers/scsi/pcmcia/fdomain_cs.c | 89 ++++++++++++++++++++++++++++++++++++++++
3 files changed, 100 insertions(+)
create mode 100644 drivers/scsi/pcmcia/fdomain_cs.c

diff --git a/drivers/scsi/pcmcia/Kconfig b/drivers/scsi/pcmcia/Kconfig
index 2d435f105b16..169d93f90a30 100644
--- a/drivers/scsi/pcmcia/Kconfig
+++ b/drivers/scsi/pcmcia/Kconfig
@@ -19,6 +19,16 @@ config PCMCIA_AHA152X
To compile this driver as a module, choose M here: the
module will be called aha152x_cs.

+config PCMCIA_FDOMAIN
+ tristate "Future Domain PCMCIA support"
+ select SCSI_FDOMAIN
+ help
+ Say Y here if you intend to attach this type of PCMCIA SCSI host
+ adapter to your computer.
+
+ To compile this driver as a module, choose M here: the
+ module will be called fdomain_cs.
+
config PCMCIA_NINJA_SCSI
tristate "NinjaSCSI-3 / NinjaSCSI-32Bi (16bit) PCMCIA support"
depends on !64BIT
diff --git a/drivers/scsi/pcmcia/Makefile b/drivers/scsi/pcmcia/Makefile
index a5a24dd44e7e..02f5b44a2685 100644
--- a/drivers/scsi/pcmcia/Makefile
+++ b/drivers/scsi/pcmcia/Makefile
@@ -4,6 +4,7 @@ ccflags-y := -I $(srctree)/drivers/scsi

# 16-bit client drivers
obj-$(CONFIG_PCMCIA_QLOGIC) += qlogic_cs.o
+obj-$(CONFIG_PCMCIA_FDOMAIN) += fdomain_cs.o
obj-$(CONFIG_PCMCIA_AHA152X) += aha152x_cs.o
obj-$(CONFIG_PCMCIA_NINJA_SCSI) += nsp_cs.o
obj-$(CONFIG_PCMCIA_SYM53C500) += sym53c500_cs.o
diff --git a/drivers/scsi/pcmcia/fdomain_cs.c b/drivers/scsi/pcmcia/fdomain_cs.c
new file mode 100644
index 000000000000..eee1379ad67b
--- /dev/null
+++ b/drivers/scsi/pcmcia/fdomain_cs.c
@@ -0,0 +1,89 @@
+// 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 = 0x10;
+ 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;
+
+ sh = fdomain_create(link->resource[0]->start, link->irq, 7, 0, NULL,
+ &link->dev);
+ if (!sh) {
+ dev_err(&link->dev, "Controller initialization failed");
+ ret = -ENODEV;
+ goto fail;
+ }
+
+ link->priv = sh;
+
+ return 0;
+
+fail:
+ pcmcia_disable_device(link);
+ return ret;
+}
+
+static void fdomain_remove(struct pcmcia_device *link)
+{
+ fdomain_destroy(link->priv);
+ 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);
--
Ondrej Zary
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