diff options
Diffstat (limited to 'include/linux/sys_soc.h')
-rw-r--r-- | include/linux/sys_soc.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/linux/sys_soc.h b/include/linux/sys_soc.h new file mode 100644 index 00000000000..05e5529a6aa --- /dev/null +++ b/include/linux/sys_soc.h @@ -0,0 +1,50 @@ +/* + * Copyright (C) ST-Ericsson SA 2011 + * Author: Maxime Coquelin <maxime.coquelin-nonst@stericsson.com> for ST-Ericsson. + * License terms: GNU General Public License (GPL), version 2 + */ +#ifndef __SYS_SOC_H +#define __SYS_SOC_H + +#include <linux/kobject.h> + +/** + * struct sys_soc_info - SoC exports related informations + * @name: name of the export + * @info: pointer on the key to export + * @get_info: callback to retrieve key if info field is NULL + * @attr: export's sysdev class attribute + */ +struct sysfs_soc_info { + const char *info; + ssize_t (*get_info)(char *buf, struct sysfs_soc_info *); + struct kobj_attribute attr; +}; + +ssize_t show_soc_info(struct kobject *, struct kobj_attribute *, char *); + +#define SYSFS_SOC_ATTR_VALUE(_name, _value) { \ + .attr.attr.name = _name, \ + .attr.attr.mode = S_IRUGO, \ + .attr.show = show_soc_info, \ + .info = _value, \ +} + +#define SYSFS_SOC_ATTR_CALLBACK(_name, _callback) { \ + .attr.attr.name = _name, \ + .attr.attr.mode = S_IRUGO, \ + .attr.show = show_soc_info, \ + .get_info = _callback, \ +} + +/** + * register_sys_soc - register the soc information + * @name: name of the machine + * @info: pointer on the info table to export + * @num: number of info to export + * + * NOTE: This function must only be called once + */ +int register_sysfs_soc(struct sysfs_soc_info *info, size_t num); + +#endif /* __SYS_SOC_H */ |