1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * AMD MP2 Sensors transport driver |
4 | * |
5 | * Copyright 2020-2021 Advanced Micro Devices, Inc. |
6 | * Authors: Nehal Bakulchandra Shah <Nehal-bakulchandra.shah@amd.com> |
7 | * Sandeep Singh <sandeep.singh@amd.com> |
8 | * Basavaraj Natikar <Basavaraj.Natikar@amd.com> |
9 | */ |
10 | |
11 | #ifndef AMDSFH_HID_H |
12 | #define AMDSFH_HID_H |
13 | |
14 | #define MAX_HID_DEVICES 6 |
15 | #define AMD_SFH_HID_VENDOR 0x1022 |
16 | #define AMD_SFH_HID_PRODUCT 0x0001 |
17 | |
18 | struct request_list { |
19 | struct hid_device *hid; |
20 | struct list_head list; |
21 | u8 report_id; |
22 | u8 sensor_idx; |
23 | u8 report_type; |
24 | u8 current_index; |
25 | }; |
26 | |
27 | struct amd_input_data { |
28 | u32 *sensor_virt_addr[MAX_HID_DEVICES]; |
29 | u8 *input_report[MAX_HID_DEVICES]; |
30 | }; |
31 | |
32 | struct amdtp_cl_data { |
33 | u8 init_done; |
34 | u32 cur_hid_dev; |
35 | bool is_any_sensor_enabled; |
36 | u32 hid_dev_count; |
37 | u32 num_hid_devices; |
38 | struct device_info *hid_devices; |
39 | u8 *report_descr[MAX_HID_DEVICES]; |
40 | int report_descr_sz[MAX_HID_DEVICES]; |
41 | struct hid_device *hid_sensor_hubs[MAX_HID_DEVICES]; |
42 | u8 *hid_descr[MAX_HID_DEVICES]; |
43 | int hid_descr_size[MAX_HID_DEVICES]; |
44 | phys_addr_t phys_addr_base; |
45 | dma_addr_t sensor_dma_addr[MAX_HID_DEVICES]; |
46 | u32 sensor_sts[MAX_HID_DEVICES]; |
47 | u32 sensor_requested_cnt[MAX_HID_DEVICES]; |
48 | u8 report_type[MAX_HID_DEVICES]; |
49 | u8 report_id[MAX_HID_DEVICES]; |
50 | u8 sensor_idx[MAX_HID_DEVICES]; |
51 | u8 *feature_report[MAX_HID_DEVICES]; |
52 | u8 request_done[MAX_HID_DEVICES]; |
53 | struct amd_input_data *in_data; |
54 | struct delayed_work work; |
55 | struct delayed_work work_buffer; |
56 | struct request_list req_list; |
57 | }; |
58 | |
59 | /** |
60 | * struct amdtp_hid_data - Per instance HID data |
61 | * @index: Device index in the order of enumeration |
62 | * @request_done: Get Feature/Input report complete flag |
63 | * used during get/set request from hid core |
64 | * @cli_data: Link to the client instance |
65 | * @hid_wait: Completion waitq |
66 | * |
67 | * Used to tie hid->driver data to driver client instance |
68 | */ |
69 | struct amdtp_hid_data { |
70 | int index; |
71 | struct amdtp_cl_data *cli_data; |
72 | wait_queue_head_t hid_wait; |
73 | }; |
74 | |
75 | /* Interface functions between HID LL driver and AMD SFH client */ |
76 | void hid_amdtp_set_feature(struct hid_device *hid, char *buf, u32 len, int report_id); |
77 | void hid_amdtp_get_report(struct hid_device *hid, int report_id, int report_type); |
78 | int amdtp_hid_probe(u32 cur_hid_dev, struct amdtp_cl_data *cli_data); |
79 | void amdtp_hid_remove(struct amdtp_cl_data *cli_data); |
80 | int amd_sfh_get_report(struct hid_device *hid, int report_id, int report_type); |
81 | void amd_sfh_set_report(struct hid_device *hid, int report_id, int report_type); |
82 | void amdtp_hid_wakeup(struct hid_device *hid); |
83 | #endif |
84 | |