1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * Copyright (C) 2021-2022 Digiteq Automotive |
4 | * author: Martin Tuma <martin.tuma@digiteqautomotive.com> |
5 | * |
6 | * This module handles all the sysfs info/configuration that is related to the |
7 | * PCI card device. |
8 | */ |
9 | |
10 | #include <linux/device.h> |
11 | #include "mgb4_core.h" |
12 | #include "mgb4_sysfs.h" |
13 | |
14 | static ssize_t module_version_show(struct device *dev, |
15 | struct device_attribute *attr, char *buf) |
16 | { |
17 | struct mgb4_dev *mgbdev = dev_get_drvdata(dev); |
18 | |
19 | return sprintf(buf, fmt: "%u\n" , mgbdev->module_version & 0x0F); |
20 | } |
21 | |
22 | static ssize_t module_type_show(struct device *dev, |
23 | struct device_attribute *attr, char *buf) |
24 | { |
25 | struct mgb4_dev *mgbdev = dev_get_drvdata(dev); |
26 | |
27 | return sprintf(buf, fmt: "%u\n" , mgbdev->module_version >> 4); |
28 | } |
29 | |
30 | static ssize_t fw_version_show(struct device *dev, |
31 | struct device_attribute *attr, char *buf) |
32 | { |
33 | struct mgb4_dev *mgbdev = dev_get_drvdata(dev); |
34 | u32 config = mgb4_read_reg(&mgbdev->video, 0xC4); |
35 | |
36 | return sprintf(buf, fmt: "%u\n" , config & 0xFFFF); |
37 | } |
38 | |
39 | static ssize_t fw_type_show(struct device *dev, |
40 | struct device_attribute *attr, char *buf) |
41 | { |
42 | struct mgb4_dev *mgbdev = dev_get_drvdata(dev); |
43 | u32 config = mgb4_read_reg(&mgbdev->video, 0xC4); |
44 | |
45 | return sprintf(buf, fmt: "%u\n" , config >> 24); |
46 | } |
47 | |
48 | static ssize_t serial_number_show(struct device *dev, |
49 | struct device_attribute *attr, char *buf) |
50 | { |
51 | struct mgb4_dev *mgbdev = dev_get_drvdata(dev); |
52 | u32 sn = mgbdev->serial_number; |
53 | |
54 | return sprintf(buf, fmt: "%03d-%03d-%03d-%03d\n" , sn >> 24, (sn >> 16) & 0xFF, |
55 | (sn >> 8) & 0xFF, sn & 0xFF); |
56 | } |
57 | |
58 | static DEVICE_ATTR_RO(module_version); |
59 | static DEVICE_ATTR_RO(module_type); |
60 | static DEVICE_ATTR_RO(fw_version); |
61 | static DEVICE_ATTR_RO(fw_type); |
62 | static DEVICE_ATTR_RO(serial_number); |
63 | |
64 | struct attribute *mgb4_pci_attrs[] = { |
65 | &dev_attr_module_type.attr, |
66 | &dev_attr_module_version.attr, |
67 | &dev_attr_fw_type.attr, |
68 | &dev_attr_fw_version.attr, |
69 | &dev_attr_serial_number.attr, |
70 | NULL |
71 | }; |
72 | |