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 | u32 i2c_hid_get_dmi_quirks(const u16 vendor, const u16 product); |
13 | #else |
14 | static inline struct i2c_hid_desc |
15 | *i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name) |
16 | { return NULL; } |
17 | static inline char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name, |
18 | unsigned int *size) |
19 | { return NULL; } |
20 | static inline u32 i2c_hid_get_dmi_quirks(const u16 vendor, const u16 product) |
21 | { return 0; } |
22 | #endif |
23 | |
24 | /** |
25 | * struct i2chid_ops - Ops provided to the core. |
26 | * |
27 | * @power_up: do sequencing to power up the device. |
28 | * @power_down: do sequencing to power down the device. |
29 | * @shutdown_tail: called at the end of shutdown. |
30 | */ |
31 | struct i2chid_ops { |
32 | int (*power_up)(struct i2chid_ops *ops); |
33 | void (*power_down)(struct i2chid_ops *ops); |
34 | void (*shutdown_tail)(struct i2chid_ops *ops); |
35 | }; |
36 | |
37 | int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops, |
38 | u16 hid_descriptor_address, u32 quirks); |
39 | void i2c_hid_core_remove(struct i2c_client *client); |
40 | |
41 | void i2c_hid_core_shutdown(struct i2c_client *client); |
42 | |
43 | extern const struct dev_pm_ops i2c_hid_core_pm; |
44 | |
45 | #endif |
46 | |