WIP FPC-III support
[linux/fpc-iii.git] / drivers / hid / amd-sfh-hid / amd_sfh_hid.h
blob6be0783d885ce5f91e808760dfc9f152c9bcb220
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * AMD MP2 Sensors transport driver
5 * Authors: Nehal Bakulchandra Shah <Nehal-bakulchandra.shah@amd.com>
6 * Sandeep Singh <sandeep.singh@amd.com>
7 */
9 #ifndef AMDSFH_HID_H
10 #define AMDSFH_HID_H
12 #define MAX_HID_DEVICES 4
13 #define BUS_AMD_AMDTP 0x20
14 #define AMD_SFH_HID_VENDOR 0x1022
15 #define AMD_SFH_HID_PRODUCT 0x0001
17 struct amdtp_cl_data {
18 u8 init_done;
19 u32 cur_hid_dev;
20 u32 hid_dev_count;
21 u32 num_hid_devices;
22 struct device_info *hid_devices;
23 u8 *report_descr[MAX_HID_DEVICES];
24 int report_descr_sz[MAX_HID_DEVICES];
25 struct hid_device *hid_sensor_hubs[MAX_HID_DEVICES];
26 u8 *hid_descr[MAX_HID_DEVICES];
27 int hid_descr_size[MAX_HID_DEVICES];
28 phys_addr_t phys_addr_base;
29 u32 *sensor_virt_addr[MAX_HID_DEVICES];
30 phys_addr_t sensor_phys_addr[MAX_HID_DEVICES];
31 u32 sensor_sts[MAX_HID_DEVICES];
32 u32 sensor_requested_cnt[MAX_HID_DEVICES];
33 u8 report_type[MAX_HID_DEVICES];
34 u8 report_id[MAX_HID_DEVICES];
35 u8 sensor_idx[MAX_HID_DEVICES];
36 u8 *feature_report[MAX_HID_DEVICES];
37 u8 *input_report[MAX_HID_DEVICES];
38 u8 request_done[MAX_HID_DEVICES];
39 struct delayed_work work;
40 struct delayed_work work_buffer;
43 /**
44 * struct amdtp_hid_data - Per instance HID data
45 * @index: Device index in the order of enumeration
46 * @request_done: Get Feature/Input report complete flag
47 * used during get/set request from hid core
48 * @cli_data: Link to the client instance
49 * @hid_wait: Completion waitq
51 * Used to tie hid->driver data to driver client instance
53 struct amdtp_hid_data {
54 int index;
55 struct amdtp_cl_data *cli_data;
56 wait_queue_head_t hid_wait;
59 /* Interface functions between HID LL driver and AMD SFH client */
60 void hid_amdtp_set_feature(struct hid_device *hid, char *buf, u32 len, int report_id);
61 void hid_amdtp_get_report(struct hid_device *hid, int report_id, int report_type);
62 int amdtp_hid_probe(u32 cur_hid_dev, struct amdtp_cl_data *cli_data);
63 void amdtp_hid_remove(struct amdtp_cl_data *cli_data);
64 int amd_sfh_get_report(struct hid_device *hid, int report_id, int report_type);
65 void amd_sfh_set_report(struct hid_device *hid, int report_id, int report_type);
66 void amdtp_hid_wakeup(struct hid_device *hid);
67 #endif