/* 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 <linux/netdevice.h>
#include "igc_regs.h"
#include "igc_defines.h"
#include "igc_mac.h"
#include "igc_phy.h"
#include "igc_nvm.h"
#include "igc_i225.h"
#include "igc_base.h"
#define IGC_DEV_ID_I225_LM 0x15F2
#define IGC_DEV_ID_I225_V 0x15F3
#define IGC_DEV_ID_I225_I 0x15F8
#define IGC_DEV_ID_I220_V 0x15F7
#define IGC_DEV_ID_I225_K 0x3100
#define IGC_DEV_ID_I225_K2 0x3101
#define IGC_DEV_ID_I226_K 0x3102
#define IGC_DEV_ID_I225_LMVP 0x5502
#define IGC_DEV_ID_I226_LMVP 0x5503
#define IGC_DEV_ID_I225_IT 0x0D9F
#define IGC_DEV_ID_I226_LM 0x125B
#define IGC_DEV_ID_I226_V 0x125C
#define IGC_DEV_ID_I226_IT 0x125D
#define IGC_DEV_ID_I221_V 0x125E
#define IGC_DEV_ID_I226_BLANK_NVM 0x125F
#define IGC_DEV_ID_I225_BLANK_NVM 0x15FD
/* Function pointers for the MAC. */
struct igc_mac_operations {
s32 (*check_for_link)(struct igc_hw *hw);
s32 (*reset_hw)(struct igc_hw *hw);
s32 (*init_hw)(struct igc_hw *hw);
s32 (*setup_physical_interface)(struct igc_hw *hw);
void (*rar_set)(struct igc_hw *hw, u8 *address, u32 index);
s32 (*read_mac_addr)(struct igc_hw *hw);
s32 (*get_speed_and_duplex)(struct igc_hw *hw, u16 *speed,
u16 *duplex);
s32 (*acquire_swfw_sync)(struct igc_hw *hw, u16 mask);
void (*release_swfw_sync)(struct igc_hw *hw, u16 mask);
};
enum igc_mac_type {
igc_undefined = 0,
igc_i225,
igc_num_macs /* List is 1-based, so subtract 1 for true count. */
};
enum igc_media_type {
igc_media_type_unknown = 0,
igc_media_type_copper = 1,
igc_num_media_types
};
enum igc_nvm_type {
igc_nvm_unknown = 0,
igc_nvm_eeprom_spi,
};
struct igc_info {
s32 (*get_invariants)(struct igc_hw *hw);
struct igc_mac_operations *mac_ops;
const struct igc_phy_operations *phy_ops;
struct igc_nvm_operations *nvm_ops;
};
extern const struct igc_info igc_base_info;
struct igc_mac_info {
struct igc_mac_operations ops;
u8 addr[ETH_ALEN];
u8 perm_addr[ETH_ALEN];
enum igc_mac_type type;
u32 mc_filter_type;
u16 mta_reg_count;
u16 uta_reg_count;
u32 mta_shadow[MAX_MTA_REG];
u16 rar_entry_count;
bool asf_firmware_present;
bool arc_subsystem_valid;
bool autoneg;
bool autoneg_failed;
bool get_link_status;
};
struct igc_nvm_operations {
s32 (*acquire)(struct igc_hw *hw);
s32 (*read)(struct igc_hw *hw, u16 offset, u16 i, u16 *data);
void (*release)(struct igc_hw *hw);
s32 (*write)(struct igc_hw *hw, u16 offset, u16 i, u16 *data);
s32 (*update)(struct igc_hw *hw);
s32 (*validate)(struct igc_hw *hw);
};
struct igc_phy_operations {
s32 (*acquire)(struct igc_hw *hw);
s32 (*check_reset_block)(struct igc_hw *hw);
s32 (*force_speed_duplex)(struct igc_hw *hw);
s32 (*get_phy_info)(struct igc_hw *hw);
s32 (*read_reg)(struct igc_hw *hw, u32 address, u16 *data);
void (*release)(struct igc_hw *hw);
s32 (*reset)(struct igc_hw *hw);
s32 (*write_reg)(struct igc_hw *hw, u32 address, u16 data);
};
struct igc_nvm_info {
struct igc_nvm_operations ops;
enum igc_nvm_type type;
u16 word_size;
u16 delay_usec;
u16 address_bits;
u16 opcode_bits;
u16 page_size;
};
struct igc_phy_info {
struct igc_phy_operations ops;
u32 addr;
u32 id;
u32 reset_delay_us; /* in usec */
u32 revision;
enum igc_media_type media_type;
u16 autoneg_advertised;
u16 autoneg_mask;
u8 mdix;
bool is_mdix;
bool speed_downgraded;
bool autoneg_wait_to_complete;
};
struct igc_bus_info {
u16 func;
u16 pci_cmd_word;
};
enum igc_fc_mode {
igc_fc_none = 0,
igc_fc_rx_pause,
igc_fc_tx_pause,
igc_fc_full,
igc_fc_default = 0xFF
};
struct igc_fc_info {
u32 high_water; /* Flow control high-water mark */
u32 low_water; /* Flow control low-water mark */
u16 pause_time; /* Flow control pause timer */
bool send_xon; /* Flow control send XON */
bool strict_ieee; /* Strict IEEE mode */
enum igc_fc_mode current_mode; /* Type of flow control */
enum igc_fc_mode requested_mode;
};
struct igc_dev_spec_base {
bool clear_semaphore_once;
bool eee_enable;
};
struct igc_hw {
void *back;
u8 __iomem *hw_addr;
unsigned long io_base;
struct igc_mac_info mac;
struct igc_fc_info fc;
struct igc_nvm_info nvm;
struct igc_phy_info phy;
struct igc_bus_info bus;
union {
struct igc_dev_spec_base _base;
} dev_spec;
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 tlpic;
u64 rlpic;
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 htdpmc;
u64 rpthc;
u64 hgptc;
u64 hgorc;
u64 hgotc;
u64 lenerrs;
u64 scvpc;
u64 hrmpc;
u64 doosync;
u64 o2bgptc;
u64 o2bspc;
u64 b2ospc;
u64 b2ogprc;
u64 txdrop;
};
struct net_device *igc_get_hw_dev(struct igc_hw *hw);
#define hw_dbg(format, arg...) \
netdev_dbg(igc_get_hw_dev(hw), format, ##arg)
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_ */