1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/media/pci/mgb4/mgb4_sysfs_pci.c b/drivers/media/pci/mgb4/mgb4_sysfs_pci.c
new file mode 100644
index 000000000000..d26935ff956b
--- /dev/null
+++ b/drivers/media/pci/mgb4/mgb4_sysfs_pci.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2021-2022 Digiteq Automotive
+ *     author: Martin Tuma <martin.tuma@digiteqautomotive.com>
+ *
+ * This module handles all the sysfs info/configuration that is related to the
+ * PCI card device.
+ */
+
+#include <linux/device.h>
+#include "mgb4_core.h"
+#include "mgb4_sysfs.h"
+
+static ssize_t module_version_show(struct device *dev,
+				   struct device_attribute *attr, char *buf)
+{
+	struct mgb4_dev *mgbdev = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%u\n", mgbdev->module_version & 0x0F);
+}
+
+static ssize_t module_type_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct mgb4_dev *mgbdev = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%u\n", mgbdev->module_version >> 4);
+}
+
+static ssize_t fw_version_show(struct device *dev,
+			       struct device_attribute *attr, char *buf)
+{
+	struct mgb4_dev *mgbdev = dev_get_drvdata(dev);
+	u32 config = mgb4_read_reg(&mgbdev->video, 0xC4);
+
+	return sprintf(buf, "%u\n", config & 0xFFFF);
+}
+
+static ssize_t fw_type_show(struct device *dev,
+			    struct device_attribute *attr, char *buf)
+{
+	struct mgb4_dev *mgbdev = dev_get_drvdata(dev);
+	u32 config = mgb4_read_reg(&mgbdev->video, 0xC4);
+
+	return sprintf(buf, "%u\n", config >> 24);
+}
+
+static ssize_t serial_number_show(struct device *dev,
+				  struct device_attribute *attr, char *buf)
+{
+	struct mgb4_dev *mgbdev = dev_get_drvdata(dev);
+	u32 sn = mgbdev->serial_number;
+
+	return sprintf(buf, "%03d-%03d-%03d-%03d\n", sn >> 24, (sn >> 16) & 0xFF,
+	  (sn >> 8) & 0xFF, sn & 0xFF);
+}
+
+static DEVICE_ATTR_RO(module_version);
+static DEVICE_ATTR_RO(module_type);
+static DEVICE_ATTR_RO(fw_version);
+static DEVICE_ATTR_RO(fw_type);
+static DEVICE_ATTR_RO(serial_number);
+
+struct attribute *mgb4_pci_attrs[] = {
+	&dev_attr_module_type.attr,
+	&dev_attr_module_version.attr,
+	&dev_attr_fw_type.attr,
+	&dev_attr_fw_version.attr,
+	&dev_attr_serial_number.attr,
+	NULL
+};