Files
cubelinux-kernel/drivers/media/pci/mgb4/mgb4_sysfs_pci.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

72 lines
1.9 KiB
C

// 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
};