| 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 7 |
| 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 | int amdtp_hid_probe(u32 cur_hid_dev, struct amdtp_cl_data *cli_data); |
| 77 | void amdtp_hid_remove(struct amdtp_cl_data *cli_data); |
| 78 | int amd_sfh_get_report(struct hid_device *hid, int report_id, int report_type); |
| 79 | void amd_sfh_set_report(struct hid_device *hid, int report_id, int report_type); |
| 80 | void amdtp_hid_wakeup(struct hid_device *hid); |
| 81 | #endif |
| 82 |