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