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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*
- * AMD MP2 Sensors transport driver
- *
- * Copyright 2020-2021 Advanced Micro Devices, Inc.
- * Authors: Nehal Bakulchandra Shah <[email protected]>
- * Sandeep Singh <[email protected]>
- * Basavaraj Natikar <[email protected]>
- */
- #ifndef AMDSFH_HID_H
- #define AMDSFH_HID_H
- #define MAX_HID_DEVICES 5
- #define AMD_SFH_HID_VENDOR 0x1022
- #define AMD_SFH_HID_PRODUCT 0x0001
- struct request_list {
- struct hid_device *hid;
- struct list_head list;
- u8 report_id;
- u8 sensor_idx;
- u8 report_type;
- u8 current_index;
- };
- 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;
- bool is_any_sensor_enabled;
- 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 request_list req_list;
- };
- /**
- * 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);
- #endif
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