| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * AMD MP2 Sensors transport driver |
| * |
| * Copyright 2020-2021 Advanced Micro Devices, Inc. |
| * Authors: Nehal Bakulchandra Shah <Nehal-bakulchandra.shah@amd.com> |
| * Sandeep Singh <sandeep.singh@amd.com> |
| * Basavaraj Natikar <Basavaraj.Natikar@amd.com> |
| */ |
| |
| #ifndef AMDSFH_HID_H |
| #define AMDSFH_HID_H |
| |
| #define MAX_HID_DEVICES 5 |
| #define BUS_AMD_AMDTP 0x20 |
| #define AMD_SFH_HID_VENDOR 0x1022 |
| #define AMD_SFH_HID_PRODUCT 0x0001 |
| |
| struct amd_input_data { |
| u32 *sensor_virt_addr[MAX_HID_DEVICES]; |
| u8 *input_report[MAX_HID_DEVICES]; |
| }; |
| |
| struct amdtp_cl_data { |
| u8 init_done; |
| u32 cur_hid_dev; |
| u32 hid_dev_count; |
| u32 num_hid_devices; |
| struct device_info *hid_devices; |
| u8 *report_descr[MAX_HID_DEVICES]; |
| int report_descr_sz[MAX_HID_DEVICES]; |
| struct hid_device *hid_sensor_hubs[MAX_HID_DEVICES]; |
| u8 *hid_descr[MAX_HID_DEVICES]; |
| int hid_descr_size[MAX_HID_DEVICES]; |
| phys_addr_t phys_addr_base; |
| dma_addr_t sensor_dma_addr[MAX_HID_DEVICES]; |
| u32 sensor_sts[MAX_HID_DEVICES]; |
| u32 sensor_requested_cnt[MAX_HID_DEVICES]; |
| u8 report_type[MAX_HID_DEVICES]; |
| u8 report_id[MAX_HID_DEVICES]; |
| u8 sensor_idx[MAX_HID_DEVICES]; |
| u8 *feature_report[MAX_HID_DEVICES]; |
| u8 request_done[MAX_HID_DEVICES]; |
| struct amd_input_data *in_data; |
| struct delayed_work work; |
| struct delayed_work work_buffer; |
| }; |
| |
| /** |
| * struct amdtp_hid_data - Per instance HID data |
| * @index: Device index in the order of enumeration |
| * @request_done: Get Feature/Input report complete flag |
| * used during get/set request from hid core |
| * @cli_data: Link to the client instance |
| * @hid_wait: Completion waitq |
| * |
| * Used to tie hid->driver data to driver client instance |
| */ |
| struct amdtp_hid_data { |
| int index; |
| struct amdtp_cl_data *cli_data; |
| wait_queue_head_t hid_wait; |
| }; |
| |
| /* Interface functions between HID LL driver and AMD SFH client */ |
| void hid_amdtp_set_feature(struct hid_device *hid, char *buf, u32 len, int report_id); |
| void hid_amdtp_get_report(struct hid_device *hid, int report_id, int report_type); |
| int amdtp_hid_probe(u32 cur_hid_dev, struct amdtp_cl_data *cli_data); |
| void amdtp_hid_remove(struct amdtp_cl_data *cli_data); |
| int amd_sfh_get_report(struct hid_device *hid, int report_id, int report_type); |
| void amd_sfh_set_report(struct hid_device *hid, int report_id, int report_type); |
| void amdtp_hid_wakeup(struct hid_device *hid); |
| u8 get_input_report(u8 current_index, int sensor_idx, int report_id, |
| struct amd_input_data *in_data); |
| #endif |
