1 /* 2 * drivers/sh/superhyway/superhyway-sysfs.c 3 * 4 * SuperHyway Bus sysfs interface 5 * 6 * Copyright (C) 2004, 2005 Paul Mundt <lethal@linux-sh.org> 7 * 8 * This file is subject to the terms and conditions of the GNU General Public 9 * License. See the file "COPYING" in the main directory of this archive 10 * for more details. 11 */ 12 #include <linux/kernel.h> 13 #include <linux/device.h> 14 #include <linux/types.h> 15 #include <linux/superhyway.h> 16 17 #define superhyway_ro_attr(name, fmt, field) \ 18 static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf) \ 19 { \ 20 struct superhyway_device *s = to_superhyway_device(dev); \ 21 return sprintf(buf, fmt, s->field); \ 22 } \ 23 static DEVICE_ATTR_RO(name); 24 25 /* VCR flags */ 26 superhyway_ro_attr(perr_flags, "0x%02x\n", vcr.perr_flags); 27 superhyway_ro_attr(merr_flags, "0x%02x\n", vcr.merr_flags); 28 superhyway_ro_attr(mod_vers, "0x%04x\n", vcr.mod_vers); 29 superhyway_ro_attr(mod_id, "0x%04x\n", vcr.mod_id); 30 superhyway_ro_attr(bot_mb, "0x%02x\n", vcr.bot_mb); 31 superhyway_ro_attr(top_mb, "0x%02x\n", vcr.top_mb); 32 33 /* Misc */ 34 superhyway_ro_attr(resource, "0x%08lx\n", resource[0].start); 35 36 static struct attribute *superhyway_dev_attrs[] = { 37 &dev_attr_perr_flags.attr, 38 &dev_attr_merr_flags.attr, 39 &dev_attr_mod_vers.attr, 40 &dev_attr_mod_id.attr, 41 &dev_attr_bot_mb.attr, 42 &dev_attr_top_mb.attr, 43 &dev_attr_resource.attr, 44 NULL, 45 }; 46 47 static const struct attribute_group superhyway_dev_group = { 48 .attrs = superhyway_dev_attrs, 49 }; 50 51 const struct attribute_group *superhyway_dev_groups[] = { 52 &superhyway_dev_group, 53 NULL, 54 }; 55