Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2)  * drivers/sh/superhyway/superhyway-sysfs.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * SuperHyway Bus sysfs interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright (C) 2004, 2005  Paul Mundt <lethal@linux-sh.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * This file is subject to the terms and conditions of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * License.  See the file "COPYING" in the main directory of this archive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/superhyway.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define superhyway_ro_attr(name, fmt, field)				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) {									\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	struct superhyway_device *s = to_superhyway_device(dev);	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	return sprintf(buf, fmt, s->field);				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) }									\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static DEVICE_ATTR_RO(name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) /* VCR flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) superhyway_ro_attr(perr_flags, "0x%02x\n", vcr.perr_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) superhyway_ro_attr(merr_flags, "0x%02x\n", vcr.merr_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) superhyway_ro_attr(mod_vers, "0x%04x\n", vcr.mod_vers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) superhyway_ro_attr(mod_id, "0x%04x\n", vcr.mod_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) superhyway_ro_attr(bot_mb, "0x%02x\n", vcr.bot_mb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) superhyway_ro_attr(top_mb, "0x%02x\n", vcr.top_mb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* Misc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) superhyway_ro_attr(resource, "0x%08lx\n", resource[0].start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static struct attribute *superhyway_dev_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	&dev_attr_perr_flags.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	&dev_attr_merr_flags.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	&dev_attr_mod_vers.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	&dev_attr_mod_id.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	&dev_attr_bot_mb.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	&dev_attr_top_mb.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	&dev_attr_resource.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static const struct attribute_group superhyway_dev_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	.attrs = superhyway_dev_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) const struct attribute_group *superhyway_dev_groups[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	&superhyway_dev_group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) };