1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 3 #ifndef I2C_HID_H 4 #define I2C_HID_H 5 6 #include <linux/i2c.h> 7 8 #ifdef CONFIG_DMI 9 struct i2c_hid_desc *i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name); 10 char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name, 11 unsigned int *size); 12 #else 13 static inline struct i2c_hid_desc 14 *i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name) 15 { return NULL; } 16 static inline char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name, 17 unsigned int *size) 18 { return NULL; } 19 #endif 20 21 /** 22 * struct i2chid_ops - Ops provided to the core. 23 * 24 * @power_up: do sequencing to power up the device. 25 * @power_down: do sequencing to power down the device. 26 * @shutdown_tail: called at the end of shutdown. 27 */ 28 struct i2chid_ops { 29 int (*power_up)(struct i2chid_ops *ops); 30 void (*power_down)(struct i2chid_ops *ops); 31 void (*shutdown_tail)(struct i2chid_ops *ops); 32 }; 33 34 int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops, 35 u16 hid_descriptor_address, u32 quirks); 36 void i2c_hid_core_remove(struct i2c_client *client); 37 38 void i2c_hid_core_shutdown(struct i2c_client *client); 39 40 extern const struct dev_pm_ops i2c_hid_core_pm; 41 42 #endif 43