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// 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
};
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