1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * drivers/sh/superhyway/superhyway-sysfs.c 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * SuperHyway Bus sysfs interface 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Copyright (C) 2004, 2005 Paul Mundt <lethal@linux-sh.org> 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * This file is subject to the terms and conditions of the GNU General Public 9*4882a593Smuzhiyun * License. See the file "COPYING" in the main directory of this archive 10*4882a593Smuzhiyun * for more details. 11*4882a593Smuzhiyun */ 12*4882a593Smuzhiyun #include <linux/kernel.h> 13*4882a593Smuzhiyun #include <linux/device.h> 14*4882a593Smuzhiyun #include <linux/types.h> 15*4882a593Smuzhiyun #include <linux/superhyway.h> 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #define superhyway_ro_attr(name, fmt, field) \ 18*4882a593Smuzhiyun static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf) \ 19*4882a593Smuzhiyun { \ 20*4882a593Smuzhiyun struct superhyway_device *s = to_superhyway_device(dev); \ 21*4882a593Smuzhiyun return sprintf(buf, fmt, s->field); \ 22*4882a593Smuzhiyun } \ 23*4882a593Smuzhiyun static DEVICE_ATTR_RO(name); 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun /* VCR flags */ 26*4882a593Smuzhiyun superhyway_ro_attr(perr_flags, "0x%02x\n", vcr.perr_flags); 27*4882a593Smuzhiyun superhyway_ro_attr(merr_flags, "0x%02x\n", vcr.merr_flags); 28*4882a593Smuzhiyun superhyway_ro_attr(mod_vers, "0x%04x\n", vcr.mod_vers); 29*4882a593Smuzhiyun superhyway_ro_attr(mod_id, "0x%04x\n", vcr.mod_id); 30*4882a593Smuzhiyun superhyway_ro_attr(bot_mb, "0x%02x\n", vcr.bot_mb); 31*4882a593Smuzhiyun superhyway_ro_attr(top_mb, "0x%02x\n", vcr.top_mb); 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun /* Misc */ 34*4882a593Smuzhiyun superhyway_ro_attr(resource, "0x%08lx\n", resource[0].start); 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun static struct attribute *superhyway_dev_attrs[] = { 37*4882a593Smuzhiyun &dev_attr_perr_flags.attr, 38*4882a593Smuzhiyun &dev_attr_merr_flags.attr, 39*4882a593Smuzhiyun &dev_attr_mod_vers.attr, 40*4882a593Smuzhiyun &dev_attr_mod_id.attr, 41*4882a593Smuzhiyun &dev_attr_bot_mb.attr, 42*4882a593Smuzhiyun &dev_attr_top_mb.attr, 43*4882a593Smuzhiyun &dev_attr_resource.attr, 44*4882a593Smuzhiyun NULL, 45*4882a593Smuzhiyun }; 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun static const struct attribute_group superhyway_dev_group = { 48*4882a593Smuzhiyun .attrs = superhyway_dev_attrs, 49*4882a593Smuzhiyun }; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun const struct attribute_group *superhyway_dev_groups[] = { 52*4882a593Smuzhiyun &superhyway_dev_group, 53*4882a593Smuzhiyun NULL, 54*4882a593Smuzhiyun }; 55