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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* AMD SoC Power Management Controller Driver
*
* Copyright (c) 2023, Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* Author: Mario Limonciello <mario.limonciello@amd.com>
*/
#ifndef PMC_H
#define PMC_H
#include <linux/types.h>
#include <linux/mutex.h>
enum s2d_msg_port {
MSG_PORT_PMC,
MSG_PORT_S2D,
};
struct amd_mp2_dev {
void __iomem *mmio;
void __iomem *vslbase;
void *stbdata;
void *devres_gid;
struct pci_dev *pdev;
dma_addr_t dma_addr;
int stb_len;
bool is_stb_data;
};
struct stb_arg {
u32 s2d_msg_id;
u32 msg;
u32 arg;
u32 resp;
};
struct amd_pmc_dev {
void __iomem *regbase;
void __iomem *smu_virt_addr;
void __iomem *stb_virt_addr;
void __iomem *fch_virt_addr;
u32 base_addr;
u32 cpu_id;
u32 dram_size;
u32 active_ips;
const struct amd_pmc_bit_map *ips_ptr;
u32 num_ips;
u32 smu_msg;
/* SMU version information */
u8 smu_program;
u8 major;
u8 minor;
u8 rev;
u8 msg_port;
struct device *dev;
struct pci_dev *rdev;
struct mutex lock; /* generic mutex lock */
struct dentry *dbgfs_dir;
struct quirk_entry *quirks;
bool disable_8042_wakeup;
struct amd_mp2_dev *mp2;
struct stb_arg stb_arg;
};
void amd_pmc_process_restore_quirks(struct amd_pmc_dev *dev);
void amd_pmc_quirks_init(struct amd_pmc_dev *dev);
void amd_mp2_stb_init(struct amd_pmc_dev *dev);
void amd_mp2_stb_deinit(struct amd_pmc_dev *dev);
/* List of supported CPU ids */
#define AMD_CPU_ID_RV 0x15D0
#define AMD_CPU_ID_RN 0x1630
#define AMD_CPU_ID_PCO AMD_CPU_ID_RV
#define AMD_CPU_ID_CZN AMD_CPU_ID_RN
#define AMD_CPU_ID_YC 0x14B5
#define AMD_CPU_ID_CB 0x14D8
#define AMD_CPU_ID_PS 0x14E8
#define AMD_CPU_ID_SP 0x14A4
#define PCI_DEVICE_ID_AMD_1AH_M20H_ROOT 0x1507
#define PCI_DEVICE_ID_AMD_1AH_M60H_ROOT 0x1122
#define PCI_DEVICE_ID_AMD_MP2_STB 0x172c
int amd_stb_s2d_init(struct amd_pmc_dev *dev);
int amd_stb_read(struct amd_pmc_dev *dev, u32 *buf);
int amd_stb_write(struct amd_pmc_dev *dev, u32 data);
int amd_pmc_send_cmd(struct amd_pmc_dev *dev, u32 arg, u32 *data, u8 msg, bool ret);
#endif /* PMC_H */
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