| /* SPDX-License-Identifier: GPL-2.0+ */ |
| |
| #ifndef I2C_HID_H |
| #define I2C_HID_H |
| |
| #include <linux/i2c.h> |
| |
| #ifdef CONFIG_DMI |
| struct i2c_hid_desc *i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name); |
| char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name, |
| unsigned int *size); |
| u32 i2c_hid_get_dmi_quirks(const u16 vendor, const u16 product); |
| #else |
| static inline struct i2c_hid_desc |
| *i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name) |
| { return NULL; } |
| static inline char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name, |
| unsigned int *size) |
| { return NULL; } |
| static inline u32 i2c_hid_get_dmi_quirks(const u16 vendor, const u16 product) |
| { return 0; } |
| #endif |
| |
| /** |
| * struct i2chid_ops - Ops provided to the core. |
| * |
| * @power_up: do sequencing to power up the device. |
| * @power_down: do sequencing to power down the device. |
| * @shutdown_tail: called at the end of shutdown. |
| */ |
| struct i2chid_ops { |
| int (*power_up)(struct i2chid_ops *ops); |
| void (*power_down)(struct i2chid_ops *ops); |
| void (*shutdown_tail)(struct i2chid_ops *ops); |
| }; |
| |
| int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops, |
| u16 hid_descriptor_address, u32 quirks); |
| void i2c_hid_core_remove(struct i2c_client *client); |
| |
| void i2c_hid_core_shutdown(struct i2c_client *client); |
| |
| extern const struct dev_pm_ops i2c_hid_core_pm; |
| |
| #endif |