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78 lines
1.6 KiB
78 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* AMD MP2 PCIe communication driver |
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* Copyright 2020 Advanced Micro Devices, Inc. |
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* Authors: Shyam Sundar S K <[email protected]> |
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* Sandeep Singh <[email protected]> |
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*/ |
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#ifndef PCIE_MP2_AMD_H |
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#define PCIE_MP2_AMD_H |
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#include <linux/pci.h> |
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#define PCI_DEVICE_ID_AMD_MP2 0x15E4 |
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#define ENABLE_SENSOR 1 |
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#define DISABLE_SENSOR 2 |
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#define STOP_ALL_SENSORS 8 |
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/* MP2 C2P Message Registers */ |
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#define AMD_C2P_MSG0 0x10500 |
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#define AMD_C2P_MSG1 0x10504 |
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#define AMD_C2P_MSG2 0x10508 |
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/* MP2 P2C Message Registers */ |
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#define AMD_P2C_MSG3 0x1068C /* Supported Sensors info */ |
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/* SFH Command register */ |
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union sfh_cmd_base { |
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u32 ul; |
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struct { |
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u32 cmd_id : 8; |
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u32 sensor_id : 8; |
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u32 period : 16; |
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} s; |
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}; |
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union sfh_cmd_param { |
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u32 ul; |
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struct { |
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u32 buf_layout : 2; |
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u32 buf_length : 6; |
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u32 rsvd : 24; |
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} s; |
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}; |
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struct sfh_cmd_reg { |
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union sfh_cmd_base cmd_base; |
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union sfh_cmd_param cmd_param; |
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phys_addr_t phys_addr; |
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}; |
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enum sensor_idx { |
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accel_idx = 0, |
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gyro_idx = 1, |
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mag_idx = 2, |
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als_idx = 19 |
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}; |
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struct amd_mp2_dev { |
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struct pci_dev *pdev; |
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struct amdtp_cl_data *cl_data; |
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void __iomem *mmio; |
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}; |
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struct amd_mp2_sensor_info { |
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u8 sensor_idx; |
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u32 period; |
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dma_addr_t dma_address; |
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}; |
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void amd_start_sensor(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info); |
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void amd_stop_sensor(struct amd_mp2_dev *privdata, u16 sensor_idx); |
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void amd_stop_all_sensors(struct amd_mp2_dev *privdata); |
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int amd_mp2_get_sensor_num(struct amd_mp2_dev *privdata, u8 *sensor_id); |
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int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata); |
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int amd_sfh_hid_client_deinit(struct amd_mp2_dev *privdata); |
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#endif
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