linux/drivers/sh/superhyway/superhyway-sysfs.c
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   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)                            \
  18static 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
  24/* VCR flags */
  25superhyway_ro_attr(perr_flags, "0x%02x\n", vcr.perr_flags);
  26superhyway_ro_attr(merr_flags, "0x%02x\n", vcr.merr_flags);
  27superhyway_ro_attr(mod_vers, "0x%04x\n", vcr.mod_vers);
  28superhyway_ro_attr(mod_id, "0x%04x\n", vcr.mod_id);
  29superhyway_ro_attr(bot_mb, "0x%02x\n", vcr.bot_mb);
  30superhyway_ro_attr(top_mb, "0x%02x\n", vcr.top_mb);
  31
  32/* Misc */
  33superhyway_ro_attr(resource, "0x%08lx\n", resource[0].start);
  34
  35struct device_attribute superhyway_dev_attrs[] = {
  36        __ATTR_RO(perr_flags),
  37        __ATTR_RO(merr_flags),
  38        __ATTR_RO(mod_vers),
  39        __ATTR_RO(mod_id),
  40        __ATTR_RO(bot_mb),
  41        __ATTR_RO(top_mb),
  42        __ATTR_RO(resource),
  43        __ATTR_NULL,
  44};
  45
  46
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