Julian Sax | 9ee3e06 | 2018-09-19 11:46:23 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | |
| 3 | #ifndef I2C_HID_H |
| 4 | #define I2C_HID_H |
| 5 | |
Douglas Anderson | b33752c | 2021-01-15 09:06:37 -0800 | [diff] [blame] | 6 | #include <linux/i2c.h> |
Julian Sax | 9ee3e06 | 2018-09-19 11:46:23 +0200 | [diff] [blame] | 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 | |
Douglas Anderson | b33752c | 2021-01-15 09:06:37 -0800 | [diff] [blame] | 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); |
| 36 | int 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 | |
Julian Sax | 9ee3e06 | 2018-09-19 11:46:23 +0200 | [diff] [blame] | 42 | #endif |