mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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3a807f3ff9
Add changes to enable operating modes in the driver to allow the FW to activate and retrieve data from relevant sensors. This enables the FW to take necessary actions based on the operating modes. Tested-by: Eric Naim <dnaim@cachyos.org> Co-developed-by: Akshata MukundShetty <akshata.mukundshetty@amd.com> Signed-off-by: Akshata MukundShetty <akshata.mukundshetty@amd.com> Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.com>
82 lines
2.3 KiB
C
82 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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* Copyright 2020-2021 Advanced Micro Devices, Inc.
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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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* Basavaraj Natikar <Basavaraj.Natikar@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 7
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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 request_list {
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struct hid_device *hid;
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struct list_head list;
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u8 report_id;
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u8 sensor_idx;
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u8 report_type;
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u8 current_index;
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};
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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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bool is_any_sensor_enabled;
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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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struct request_list req_list;
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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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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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#endif
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