5 * Copyright (C) 2007-2009 Rodolfo Giometti <giometti@linux.it>
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.
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.
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.
23 #include <linux/device.h>
24 #include <linux/module.h>
25 #include <linux/string.h>
26 #include <linux/pps_kernel.h>
32 static ssize_t pps_show_assert(struct device *dev,
33 struct device_attribute *attr, char *buf)
35 struct pps_device *pps = dev_get_drvdata(dev);
37 if (!(pps->info.mode & PPS_CAPTUREASSERT))
40 return sprintf(buf, "%lld.%09d#%d\n",
41 (long long) pps->assert_tu.sec, pps->assert_tu.nsec,
42 pps->assert_sequence);
45 static ssize_t pps_show_clear(struct device *dev,
46 struct device_attribute *attr, char *buf)
48 struct pps_device *pps = dev_get_drvdata(dev);
50 if (!(pps->info.mode & PPS_CAPTURECLEAR))
53 return sprintf(buf, "%lld.%09d#%d\n",
54 (long long) pps->clear_tu.sec, pps->clear_tu.nsec,
58 static ssize_t pps_show_mode(struct device *dev,
59 struct device_attribute *attr, char *buf)
61 struct pps_device *pps = dev_get_drvdata(dev);
63 return sprintf(buf, "%4x\n", pps->info.mode);
66 static ssize_t pps_show_echo(struct device *dev,
67 struct device_attribute *attr, char *buf)
69 struct pps_device *pps = dev_get_drvdata(dev);
71 return sprintf(buf, "%d\n", !!pps->info.echo);
74 static ssize_t pps_show_name(struct device *dev,
75 struct device_attribute *attr, char *buf)
77 struct pps_device *pps = dev_get_drvdata(dev);
79 return sprintf(buf, "%s\n", pps->info.name);
82 static ssize_t pps_show_path(struct device *dev,
83 struct device_attribute *attr, char *buf)
85 struct pps_device *pps = dev_get_drvdata(dev);
87 return sprintf(buf, "%s\n", pps->info.path);
90 struct device_attribute pps_attrs[] = {
91 __ATTR(assert, S_IRUGO, pps_show_assert, NULL),
92 __ATTR(clear, S_IRUGO, pps_show_clear, NULL),
93 __ATTR(mode, S_IRUGO, pps_show_mode, NULL),
94 __ATTR(echo, S_IRUGO, pps_show_echo, NULL),
95 __ATTR(name, S_IRUGO, pps_show_name, NULL),
96 __ATTR(path, S_IRUGO, pps_show_path, NULL),