Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 123 insertions, 0 deletions

diff --git a/drivers/zorro/zorro-sysfs.c b/drivers/zorro/zorro-sysfs.c
new file mode 100644
index 000000000..3d34dba9b
--- /dev/null
+++ b/drivers/zorro/zorro-sysfs.c
@@ -0,0 +1,123 @@
+/*
+ *  File Attributes for Zorro Devices
+ *
+ *  Copyright (C) 2003 Geert Uytterhoeven
+ *
+ *  Loosely based on drivers/pci/pci-sysfs.c
+ *
+ *  This file is subject to the terms and conditions of the GNU General Public
+ *  License.  See the file COPYING in the main directory of this archive
+ *  for more details.
+ */
+
+
+#include <linux/kernel.h>
+#include <linux/zorro.h>
+#include <linux/stat.h>
+#include <linux/string.h>
+
+#include <asm/byteorder.h>
+
+#include "zorro.h"
+
+
+/* show configuration fields */
+#define zorro_config_attr(name, field, format_string)			\
+static ssize_t name##_show(struct device *dev,				\
+			   struct device_attribute *attr, char *buf)	\
+{									\
+	struct zorro_dev *z;						\
+									\
+	z = to_zorro_dev(dev);						\
+	return sprintf(buf, format_string, z->field);			\
+}									\
+static DEVICE_ATTR_RO(name);
+
+zorro_config_attr(id, id, "0x%08x\n");
+zorro_config_attr(type, rom.er_Type, "0x%02x\n");
+zorro_config_attr(slotaddr, slotaddr, "0x%04x\n");
+zorro_config_attr(slotsize, slotsize, "0x%04x\n");
+
+static ssize_t serial_show(struct device *dev, struct device_attribute *attr,
+			   char *buf)
+{
+	struct zorro_dev *z;
+
+	z = to_zorro_dev(dev);
+	return sprintf(buf, "0x%08x\n", be32_to_cpu(z->rom.er_SerialNumber));
+}
+static DEVICE_ATTR_RO(serial);
+
+static ssize_t resource_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	struct zorro_dev *z = to_zorro_dev(dev);
+
+	return sprintf(buf, "0x%08lx 0x%08lx 0x%08lx\n",
+		       (unsigned long)zorro_resource_start(z),
+		       (unsigned long)zorro_resource_end(z),
+		       zorro_resource_flags(z));
+}
+static DEVICE_ATTR_RO(resource);
+
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
+			     char *buf)
+{
+	struct zorro_dev *z = to_zorro_dev(dev);
+
+	return sprintf(buf, ZORRO_DEVICE_MODALIAS_FMT "\n", z->id);
+}
+static DEVICE_ATTR_RO(modalias);
+
+static struct attribute *zorro_device_attrs[] = {
+	&dev_attr_id.attr,
+	&dev_attr_type.attr,
+	&dev_attr_serial.attr,
+	&dev_attr_slotaddr.attr,
+	&dev_attr_slotsize.attr,
+	&dev_attr_resource.attr,
+	&dev_attr_modalias.attr,
+	NULL
+};
+
+static ssize_t zorro_read_config(struct file *filp, struct kobject *kobj,
+				 struct bin_attribute *bin_attr,
+				 char *buf, loff_t off, size_t count)
+{
+	struct zorro_dev *z = to_zorro_dev(kobj_to_dev(kobj));
+	struct ConfigDev cd;
+
+	/* Construct a ConfigDev */
+	memset(&cd, 0, sizeof(cd));
+	cd.cd_Rom = z->rom;
+	cd.cd_SlotAddr = cpu_to_be16(z->slotaddr);
+	cd.cd_SlotSize = cpu_to_be16(z->slotsize);
+	cd.cd_BoardAddr = cpu_to_be32(zorro_resource_start(z));
+	cd.cd_BoardSize = cpu_to_be32(zorro_resource_len(z));
+
+	return memory_read_from_buffer(buf, count, &off, &cd, sizeof(cd));
+}
+
+static struct bin_attribute zorro_config_attr = {
+	.attr =	{
+		.name = "config",
+		.mode = S_IRUGO,
+	},
+	.size = sizeof(struct ConfigDev),
+	.read = zorro_read_config,
+};
+
+static struct bin_attribute *zorro_device_bin_attrs[] = {
+	&zorro_config_attr,
+	NULL
+};
+
+static const struct attribute_group zorro_device_attr_group = {
+	.attrs		= zorro_device_attrs,
+	.bin_attrs	= zorro_device_bin_attrs,
+};
+
+const struct attribute_group *zorro_device_attribute_groups[] = {
+	&zorro_device_attr_group,
+	NULL
+};