99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* AMD MP2 common macros and structures
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*
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* Copyright (c) 2022, Advanced Micro Devices, Inc.
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* All Rights Reserved.
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*
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* Author: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
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*/
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#ifndef AMD_SFH_COMMON_H
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#define AMD_SFH_COMMON_H
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#include <linux/pci.h>
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#include "amd_sfh_hid.h"
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#define PCI_DEVICE_ID_AMD_MP2 0x15E4
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#define PCI_DEVICE_ID_AMD_MP2_1_1 0x164A
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#define AMD_C2P_MSG(regno) (0x10500 + ((regno) * 4))
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#define AMD_P2C_MSG(regno) (0x10680 + ((regno) * 4))
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#define AMD_C2P_MSG_V1(regno) (0x10900 + ((regno) * 4))
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#define AMD_P2C_MSG_V1(regno) (0x10500 + ((regno) * 4))
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#define SENSOR_ENABLED 4
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#define SENSOR_DISABLED 5
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#define AMD_SFH_IDLE_LOOP 200
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enum cmd_id {
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NO_OP,
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ENABLE_SENSOR,
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DISABLE_SENSOR,
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STOP_ALL_SENSORS = 8,
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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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struct sfh_dev_status {
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bool is_hpd_present;
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bool is_als_present;
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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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void __iomem *vsbase;
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const struct amd_sfh1_1_ops *sfh1_1_ops;
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struct amd_mp2_ops *mp2_ops;
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struct amd_input_data in_data;
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/* mp2 active control status */
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u32 mp2_acs;
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struct sfh_dev_status dev_en;
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struct work_struct work;
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u8 init_done;
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u8 rver;
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};
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struct amd_mp2_ops {
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void (*start)(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info);
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void (*stop)(struct amd_mp2_dev *privdata, u16 sensor_idx);
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void (*stop_all)(struct amd_mp2_dev *privdata);
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int (*response)(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts);
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void (*clear_intr)(struct amd_mp2_dev *privdata);
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int (*init_intr)(struct amd_mp2_dev *privdata);
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int (*discovery_status)(struct amd_mp2_dev *privdata);
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void (*suspend)(struct amd_mp2_dev *mp2);
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void (*resume)(struct amd_mp2_dev *mp2);
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void (*remove)(void *privdata);
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int (*get_rep_desc)(int sensor_idx, u8 rep_desc[]);
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u32 (*get_desc_sz)(int sensor_idx, int descriptor_name);
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u8 (*get_feat_rep)(int sensor_idx, int report_id, u8 *feature_report);
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u8 (*get_in_rep)(u8 current_index, int sensor_idx, int report_id,
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struct amd_input_data *in_data);
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};
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void amd_sfh_work(struct work_struct *work);
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void amd_sfh_work_buffer(struct work_struct *work);
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void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata);
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int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata);
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void amd_sfh_clear_intr(struct amd_mp2_dev *privdata);
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int amd_sfh_irq_init(struct amd_mp2_dev *privdata);
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static inline u64 amd_get_c2p_val(struct amd_mp2_dev *mp2, u32 idx)
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{
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return mp2->rver == 1 ? AMD_C2P_MSG_V1(idx) : AMD_C2P_MSG(idx);
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}
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static inline u64 amd_get_p2c_val(struct amd_mp2_dev *mp2, u32 idx)
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{
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return mp2->rver == 1 ? AMD_P2C_MSG_V1(idx) : AMD_P2C_MSG(idx);
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}
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#endif
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