1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 * PPS sysfs support
 4 *
 
 5 * Copyright (C) 2007-2009   Rodolfo Giometti <giometti@linux.it>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 6 */
 7
 8
 9#include <linux/device.h>
10#include <linux/module.h>
11#include <linux/string.h>
12#include <linux/pps_kernel.h>
13
14/*
15 * Attribute functions
16 */
17
18static ssize_t assert_show(struct device *dev, struct device_attribute *attr,
19			   char *buf)
20{
21	struct pps_device *pps = dev_get_drvdata(dev);
22
23	if (!(pps->info.mode & PPS_CAPTUREASSERT))
24		return 0;
25
26	return sprintf(buf, "%lld.%09d#%d\n",
27			(long long) pps->assert_tu.sec, pps->assert_tu.nsec,
28			pps->assert_sequence);
29}
30static DEVICE_ATTR_RO(assert);
31
32static ssize_t clear_show(struct device *dev, struct device_attribute *attr,
33			  char *buf)
34{
35	struct pps_device *pps = dev_get_drvdata(dev);
36
37	if (!(pps->info.mode & PPS_CAPTURECLEAR))
38		return 0;
39
40	return sprintf(buf, "%lld.%09d#%d\n",
41			(long long) pps->clear_tu.sec, pps->clear_tu.nsec,
42			pps->clear_sequence);
43}
44static DEVICE_ATTR_RO(clear);
45
46static ssize_t mode_show(struct device *dev, struct device_attribute *attr,
47			 char *buf)
48{
49	struct pps_device *pps = dev_get_drvdata(dev);
50
51	return sprintf(buf, "%4x\n", pps->info.mode);
52}
53static DEVICE_ATTR_RO(mode);
54
55static ssize_t echo_show(struct device *dev, struct device_attribute *attr,
56			 char *buf)
57{
58	struct pps_device *pps = dev_get_drvdata(dev);
59
60	return sprintf(buf, "%d\n", !!pps->info.echo);
61}
62static DEVICE_ATTR_RO(echo);
63
64static ssize_t name_show(struct device *dev, struct device_attribute *attr,
65			 char *buf)
66{
67	struct pps_device *pps = dev_get_drvdata(dev);
68
69	return sprintf(buf, "%s\n", pps->info.name);
70}
71static DEVICE_ATTR_RO(name);
72
73static ssize_t path_show(struct device *dev, struct device_attribute *attr,
74			 char *buf)
75{
76	struct pps_device *pps = dev_get_drvdata(dev);
77
78	return sprintf(buf, "%s\n", pps->info.path);
79}
80static DEVICE_ATTR_RO(path);
81
82static struct attribute *pps_attrs[] = {
83	&dev_attr_assert.attr,
84	&dev_attr_clear.attr,
85	&dev_attr_mode.attr,
86	&dev_attr_echo.attr,
87	&dev_attr_name.attr,
88	&dev_attr_path.attr,
89	NULL,
90};
91
92static const struct attribute_group pps_group = {
93	.attrs = pps_attrs,
94};
95
96const struct attribute_group *pps_groups[] = {
97	&pps_group,
98	NULL,
99};

 
  1/*
  2 * PPS sysfs support
  3 *
  4 *
  5 * Copyright (C) 2007-2009   Rodolfo Giometti <giometti@linux.it>
  6 *
  7 *   This program is free software; you can redistribute it and/or modify
  8 *   it under the terms of the GNU General Public License as published by
  9 *   the Free Software Foundation; either version 2 of the License, or
 10 *   (at your option) any later version.
 11 *
 12 *   This program is distributed in the hope that it will be useful,
 13 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15 *   GNU General Public License for more details.
 16 *
 17 *   You should have received a copy of the GNU General Public License
 18 *   along with this program; if not, write to the Free Software
 19 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 20 */
 21
 22
 23#include <linux/device.h>
 24#include <linux/module.h>
 25#include <linux/string.h>
 26#include <linux/pps_kernel.h>
 27
 28/*
 29 * Attribute functions
 30 */
 31
 32static ssize_t assert_show(struct device *dev, struct device_attribute *attr,
 33			   char *buf)
 34{
 35	struct pps_device *pps = dev_get_drvdata(dev);
 36
 37	if (!(pps->info.mode & PPS_CAPTUREASSERT))
 38		return 0;
 39
 40	return sprintf(buf, "%lld.%09d#%d\n",
 41			(long long) pps->assert_tu.sec, pps->assert_tu.nsec,
 42			pps->assert_sequence);
 43}
 44static DEVICE_ATTR_RO(assert);
 45
 46static ssize_t clear_show(struct device *dev, struct device_attribute *attr,
 47			  char *buf)
 48{
 49	struct pps_device *pps = dev_get_drvdata(dev);
 50
 51	if (!(pps->info.mode & PPS_CAPTURECLEAR))
 52		return 0;
 53
 54	return sprintf(buf, "%lld.%09d#%d\n",
 55			(long long) pps->clear_tu.sec, pps->clear_tu.nsec,
 56			pps->clear_sequence);
 57}
 58static DEVICE_ATTR_RO(clear);
 59
 60static ssize_t mode_show(struct device *dev, struct device_attribute *attr,
 61			 char *buf)
 62{
 63	struct pps_device *pps = dev_get_drvdata(dev);
 64
 65	return sprintf(buf, "%4x\n", pps->info.mode);
 66}
 67static DEVICE_ATTR_RO(mode);
 68
 69static ssize_t echo_show(struct device *dev, struct device_attribute *attr,
 70			 char *buf)
 71{
 72	struct pps_device *pps = dev_get_drvdata(dev);
 73
 74	return sprintf(buf, "%d\n", !!pps->info.echo);
 75}
 76static DEVICE_ATTR_RO(echo);
 77
 78static ssize_t name_show(struct device *dev, struct device_attribute *attr,
 79			 char *buf)
 80{
 81	struct pps_device *pps = dev_get_drvdata(dev);
 82
 83	return sprintf(buf, "%s\n", pps->info.name);
 84}
 85static DEVICE_ATTR_RO(name);
 86
 87static ssize_t path_show(struct device *dev, struct device_attribute *attr,
 88			 char *buf)
 89{
 90	struct pps_device *pps = dev_get_drvdata(dev);
 91
 92	return sprintf(buf, "%s\n", pps->info.path);
 93}
 94static DEVICE_ATTR_RO(path);
 95
 96static struct attribute *pps_attrs[] = {
 97	&dev_attr_assert.attr,
 98	&dev_attr_clear.attr,
 99	&dev_attr_mode.attr,
100	&dev_attr_echo.attr,
101	&dev_attr_name.attr,
102	&dev_attr_path.attr,
103	NULL,
104};
105
106static const struct attribute_group pps_group = {
107	.attrs = pps_attrs,
108};
109
110const struct attribute_group *pps_groups[] = {
111	&pps_group,
112	NULL,
113};