diff options
Diffstat (limited to 'meta-raptor/meta-asus/recipes-kernel/i2c-dev-sysfs-mod/files/i2c_dev_sysfs.h')
-rw-r--r-- | meta-raptor/meta-asus/recipes-kernel/i2c-dev-sysfs-mod/files/i2c_dev_sysfs.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/meta-raptor/meta-asus/recipes-kernel/i2c-dev-sysfs-mod/files/i2c_dev_sysfs.h b/meta-raptor/meta-asus/recipes-kernel/i2c-dev-sysfs-mod/files/i2c_dev_sysfs.h new file mode 100644 index 0000000..47862cc --- /dev/null +++ b/meta-raptor/meta-asus/recipes-kernel/i2c-dev-sysfs-mod/files/i2c_dev_sysfs.h @@ -0,0 +1,84 @@ +/* + * i2c_dev_sysfs.h - The i2c device sysfs library header + * + * Copyright 2015-present Facebook. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef I2C_DEV_SYSFS_H +#define I2C_DEV_SYSFS_H + +#include <linux/device.h> +#include <linux/types.h> + +typedef ssize_t (*i2c_dev_attr_show_fn)(struct device *dev, + struct device_attribute *attr, + char *buf); +typedef ssize_t (*i2c_dev_attr_store_fn)(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count); + +#define I2C_DEV_ATTR_SHOW_DEFAULT (i2c_dev_attr_show_fn)(1) +#define I2C_DEV_ATTR_STORE_DEFAULT (i2c_dev_attr_store_fn)(1) + +typedef struct i2c_dev_attr_st_ { + const char *ida_name; + const char *ida_help; + i2c_dev_attr_show_fn ida_show; + i2c_dev_attr_store_fn ida_store; + int ida_reg; + int ida_bit_offset; + int ida_n_bits; +} i2c_dev_attr_st; + +typedef struct i2c_sysfs_attr_st_{ + struct device_attribute isa_dev_attr; + const i2c_dev_attr_st *isa_i2c_attr; +} i2c_sysfs_attr_st; + +#define TO_I2C_SYSFS_ATTR(_attr) \ + container_of(_attr, i2c_sysfs_attr_st, isa_dev_attr) + +typedef struct i2c_dev_data_st_ { + struct device *idd_hwmon_dev; + struct mutex idd_lock; + i2c_sysfs_attr_st *idd_attrs; + struct attribute_group idd_attr_group; +} i2c_dev_data_st; + +int i2c_dev_sysfs_data_init(struct i2c_client *client, + i2c_dev_data_st *data, + const i2c_dev_attr_st *dev_attrs, + int n_attrs); +void i2c_dev_sysfs_data_clean(struct i2c_client *client, i2c_dev_data_st *data); +int i2c_dev_read_byte(struct device *dev, + struct device_attribute *attr); +int i2c_dev_read_nbytes(struct device *dev, + struct device_attribute *attr, + uint8_t values[], + int nbytes); +int i2c_dev_read_word_littleendian(struct device *dev, + struct device_attribute *attr); +int i2c_dev_read_word_bigendian(struct device *dev, + struct device_attribute *attr); +ssize_t i2c_dev_show_label(struct device *dev, + struct device_attribute *attr, + char *buf); +ssize_t i2c_dev_show_ascii(struct device *dev, + struct device_attribute *attr, + char *buf); + +#endif |