/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c)  2018 Intel Corporation */

#ifndef _IGC_HW_H_
#define _IGC_HW_H_

#include <linux/types.h>
#include <linux/if_ether.h>
#include "igc_regs.h"
#include "igc_defines.h"
#include "igc_mac.h"
#include "igc_i225.h"
#include "igc_base.h"

#define IGC_DEV_ID_I225_LM			0x15F2
#define IGC_DEV_ID_I225_V			0x15F3

/* Function pointers for the MAC. */
struct igc_mac_operations {
};

enum igc_mac_type {
	igc_undefined = 0,
	igc_i225,
	igc_num_macs  /* List is 1-based, so subtract 1 for true count. */
};

enum igc_phy_type {
	igc_phy_unknown = 0,
	igc_phy_none,
	igc_phy_i225,
};

struct igc_mac_info {
	struct igc_mac_operations ops;

	u8 addr[ETH_ALEN];
	u8 perm_addr[ETH_ALEN];

	enum igc_mac_type type;

	u32 collision_delta;
	u32 ledctl_default;
	u32 ledctl_mode1;
	u32 ledctl_mode2;
	u32 mc_filter_type;
	u32 tx_packet_delta;
	u32 txcw;

	u16 mta_reg_count;
	u16 uta_reg_count;

	u16 rar_entry_count;

	u8 forced_speed_duplex;

	bool adaptive_ifs;
	bool has_fwsm;
	bool arc_subsystem_valid;

	bool autoneg;
	bool autoneg_failed;
	bool get_link_status;
};

struct igc_bus_info {
	u16 func;
	u16 pci_cmd_word;
};

struct igc_hw {
	void *back;

	u8 __iomem *hw_addr;
	unsigned long io_base;

	struct igc_mac_info  mac;

	struct igc_bus_info bus;

	u16 device_id;
	u16 subsystem_vendor_id;
	u16 subsystem_device_id;
	u16 vendor_id;

	u8 revision_id;
};

/* Statistics counters collected by the MAC */
struct igc_hw_stats {
	u64 crcerrs;
	u64 algnerrc;
	u64 symerrs;
	u64 rxerrc;
	u64 mpc;
	u64 scc;
	u64 ecol;
	u64 mcc;
	u64 latecol;
	u64 colc;
	u64 dc;
	u64 tncrs;
	u64 sec;
	u64 cexterr;
	u64 rlec;
	u64 xonrxc;
	u64 xontxc;
	u64 xoffrxc;
	u64 xofftxc;
	u64 fcruc;
	u64 prc64;
	u64 prc127;
	u64 prc255;
	u64 prc511;
	u64 prc1023;
	u64 prc1522;
	u64 gprc;
	u64 bprc;
	u64 mprc;
	u64 gptc;
	u64 gorc;
	u64 gotc;
	u64 rnbc;
	u64 ruc;
	u64 rfc;
	u64 roc;
	u64 rjc;
	u64 mgprc;
	u64 mgpdc;
	u64 mgptc;
	u64 tor;
	u64 tot;
	u64 tpr;
	u64 tpt;
	u64 ptc64;
	u64 ptc127;
	u64 ptc255;
	u64 ptc511;
	u64 ptc1023;
	u64 ptc1522;
	u64 mptc;
	u64 bptc;
	u64 tsctc;
	u64 tsctfc;
	u64 iac;
	u64 icrxptc;
	u64 icrxatc;
	u64 ictxptc;
	u64 ictxatc;
	u64 ictxqec;
	u64 ictxqmtc;
	u64 icrxdmtc;
	u64 icrxoc;
	u64 cbtmpc;
	u64 htdpmc;
	u64 cbrdpc;
	u64 cbrmpc;
	u64 rpthc;
	u64 hgptc;
	u64 htcbdpc;
	u64 hgorc;
	u64 hgotc;
	u64 lenerrs;
	u64 scvpc;
	u64 hrmpc;
	u64 doosync;
	u64 o2bgptc;
	u64 o2bspc;
	u64 b2ospc;
	u64 b2ogprc;
};

s32  igc_read_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value);
s32  igc_write_pcie_cap_reg(struct igc_hw *hw, u32 reg, u16 *value);
void igc_read_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value);
void igc_write_pci_cfg(struct igc_hw *hw, u32 reg, u16 *value);

#endif /* _IGC_HW_H_ */