linux/drivers/net/ethernet/intel/igb/e1000_hw.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright(c) 2007 - 2018 Intel Corporation. */
   3
   4#ifndef _E1000_IGB_HW_H_
   5#define _E1000_IGB_HW_H_
   6
   7#include <linux/types.h>
   8#include <linux/delay.h>
   9#include <linux/io.h>
  10#include <linux/netdevice.h>
  11
  12#include "e1000_regs.h"
  13#include "e1000_defines.h"
  14
  15struct e1000_hw;
  16
  17#define E1000_DEV_ID_82576                      0x10C9
  18#define E1000_DEV_ID_82576_FIBER                0x10E6
  19#define E1000_DEV_ID_82576_SERDES               0x10E7
  20#define E1000_DEV_ID_82576_QUAD_COPPER          0x10E8
  21#define E1000_DEV_ID_82576_QUAD_COPPER_ET2      0x1526
  22#define E1000_DEV_ID_82576_NS                   0x150A
  23#define E1000_DEV_ID_82576_NS_SERDES            0x1518
  24#define E1000_DEV_ID_82576_SERDES_QUAD          0x150D
  25#define E1000_DEV_ID_82575EB_COPPER             0x10A7
  26#define E1000_DEV_ID_82575EB_FIBER_SERDES       0x10A9
  27#define E1000_DEV_ID_82575GB_QUAD_COPPER        0x10D6
  28#define E1000_DEV_ID_82580_COPPER               0x150E
  29#define E1000_DEV_ID_82580_FIBER                0x150F
  30#define E1000_DEV_ID_82580_SERDES               0x1510
  31#define E1000_DEV_ID_82580_SGMII                0x1511
  32#define E1000_DEV_ID_82580_COPPER_DUAL          0x1516
  33#define E1000_DEV_ID_82580_QUAD_FIBER           0x1527
  34#define E1000_DEV_ID_DH89XXCC_SGMII             0x0438
  35#define E1000_DEV_ID_DH89XXCC_SERDES            0x043A
  36#define E1000_DEV_ID_DH89XXCC_BACKPLANE         0x043C
  37#define E1000_DEV_ID_DH89XXCC_SFP               0x0440
  38#define E1000_DEV_ID_I350_COPPER                0x1521
  39#define E1000_DEV_ID_I350_FIBER                 0x1522
  40#define E1000_DEV_ID_I350_SERDES                0x1523
  41#define E1000_DEV_ID_I350_SGMII                 0x1524
  42#define E1000_DEV_ID_I210_COPPER                0x1533
  43#define E1000_DEV_ID_I210_FIBER                 0x1536
  44#define E1000_DEV_ID_I210_SERDES                0x1537
  45#define E1000_DEV_ID_I210_SGMII                 0x1538
  46#define E1000_DEV_ID_I210_COPPER_FLASHLESS      0x157B
  47#define E1000_DEV_ID_I210_SERDES_FLASHLESS      0x157C
  48#define E1000_DEV_ID_I211_COPPER                0x1539
  49#define E1000_DEV_ID_I354_BACKPLANE_1GBPS       0x1F40
  50#define E1000_DEV_ID_I354_SGMII                 0x1F41
  51#define E1000_DEV_ID_I354_BACKPLANE_2_5GBPS     0x1F45
  52
  53#define E1000_REVISION_2 2
  54#define E1000_REVISION_4 4
  55
  56#define E1000_FUNC_0     0
  57#define E1000_FUNC_1     1
  58#define E1000_FUNC_2     2
  59#define E1000_FUNC_3     3
  60
  61#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0   0
  62#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1   3
  63#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN2   6
  64#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN3   9
  65
  66enum e1000_mac_type {
  67        e1000_undefined = 0,
  68        e1000_82575,
  69        e1000_82576,
  70        e1000_82580,
  71        e1000_i350,
  72        e1000_i354,
  73        e1000_i210,
  74        e1000_i211,
  75        e1000_num_macs  /* List is 1-based, so subtract 1 for true count. */
  76};
  77
  78enum e1000_media_type {
  79        e1000_media_type_unknown = 0,
  80        e1000_media_type_copper = 1,
  81        e1000_media_type_fiber = 2,
  82        e1000_media_type_internal_serdes = 3,
  83        e1000_num_media_types
  84};
  85
  86enum e1000_nvm_type {
  87        e1000_nvm_unknown = 0,
  88        e1000_nvm_none,
  89        e1000_nvm_eeprom_spi,
  90        e1000_nvm_flash_hw,
  91        e1000_nvm_invm,
  92        e1000_nvm_flash_sw
  93};
  94
  95enum e1000_nvm_override {
  96        e1000_nvm_override_none = 0,
  97        e1000_nvm_override_spi_small,
  98        e1000_nvm_override_spi_large,
  99};
 100
 101enum e1000_phy_type {
 102        e1000_phy_unknown = 0,
 103        e1000_phy_none,
 104        e1000_phy_m88,
 105        e1000_phy_igp,
 106        e1000_phy_igp_2,
 107        e1000_phy_gg82563,
 108        e1000_phy_igp_3,
 109        e1000_phy_ife,
 110        e1000_phy_82580,
 111        e1000_phy_i210,
 112        e1000_phy_bcm54616,
 113};
 114
 115enum e1000_bus_type {
 116        e1000_bus_type_unknown = 0,
 117        e1000_bus_type_pci,
 118        e1000_bus_type_pcix,
 119        e1000_bus_type_pci_express,
 120        e1000_bus_type_reserved
 121};
 122
 123enum e1000_bus_speed {
 124        e1000_bus_speed_unknown = 0,
 125        e1000_bus_speed_33,
 126        e1000_bus_speed_66,
 127        e1000_bus_speed_100,
 128        e1000_bus_speed_120,
 129        e1000_bus_speed_133,
 130        e1000_bus_speed_2500,
 131        e1000_bus_speed_5000,
 132        e1000_bus_speed_reserved
 133};
 134
 135enum e1000_bus_width {
 136        e1000_bus_width_unknown = 0,
 137        e1000_bus_width_pcie_x1,
 138        e1000_bus_width_pcie_x2,
 139        e1000_bus_width_pcie_x4 = 4,
 140        e1000_bus_width_pcie_x8 = 8,
 141        e1000_bus_width_32,
 142        e1000_bus_width_64,
 143        e1000_bus_width_reserved
 144};
 145
 146enum e1000_1000t_rx_status {
 147        e1000_1000t_rx_status_not_ok = 0,
 148        e1000_1000t_rx_status_ok,
 149        e1000_1000t_rx_status_undefined = 0xFF
 150};
 151
 152enum e1000_rev_polarity {
 153        e1000_rev_polarity_normal = 0,
 154        e1000_rev_polarity_reversed,
 155        e1000_rev_polarity_undefined = 0xFF
 156};
 157
 158enum e1000_fc_mode {
 159        e1000_fc_none = 0,
 160        e1000_fc_rx_pause,
 161        e1000_fc_tx_pause,
 162        e1000_fc_full,
 163        e1000_fc_default = 0xFF
 164};
 165
 166/* Statistics counters collected by the MAC */
 167struct e1000_hw_stats {
 168        u64 crcerrs;
 169        u64 algnerrc;
 170        u64 symerrs;
 171        u64 rxerrc;
 172        u64 mpc;
 173        u64 scc;
 174        u64 ecol;
 175        u64 mcc;
 176        u64 latecol;
 177        u64 colc;
 178        u64 dc;
 179        u64 tncrs;
 180        u64 sec;
 181        u64 cexterr;
 182        u64 rlec;
 183        u64 xonrxc;
 184        u64 xontxc;
 185        u64 xoffrxc;
 186        u64 xofftxc;
 187        u64 fcruc;
 188        u64 prc64;
 189        u64 prc127;
 190        u64 prc255;
 191        u64 prc511;
 192        u64 prc1023;
 193        u64 prc1522;
 194        u64 gprc;
 195        u64 bprc;
 196        u64 mprc;
 197        u64 gptc;
 198        u64 gorc;
 199        u64 gotc;
 200        u64 rnbc;
 201        u64 ruc;
 202        u64 rfc;
 203        u64 roc;
 204        u64 rjc;
 205        u64 mgprc;
 206        u64 mgpdc;
 207        u64 mgptc;
 208        u64 tor;
 209        u64 tot;
 210        u64 tpr;
 211        u64 tpt;
 212        u64 ptc64;
 213        u64 ptc127;
 214        u64 ptc255;
 215        u64 ptc511;
 216        u64 ptc1023;
 217        u64 ptc1522;
 218        u64 mptc;
 219        u64 bptc;
 220        u64 tsctc;
 221        u64 tsctfc;
 222        u64 iac;
 223        u64 icrxptc;
 224        u64 icrxatc;
 225        u64 ictxptc;
 226        u64 ictxatc;
 227        u64 ictxqec;
 228        u64 ictxqmtc;
 229        u64 icrxdmtc;
 230        u64 icrxoc;
 231        u64 cbtmpc;
 232        u64 htdpmc;
 233        u64 cbrdpc;
 234        u64 cbrmpc;
 235        u64 rpthc;
 236        u64 hgptc;
 237        u64 htcbdpc;
 238        u64 hgorc;
 239        u64 hgotc;
 240        u64 lenerrs;
 241        u64 scvpc;
 242        u64 hrmpc;
 243        u64 doosync;
 244        u64 o2bgptc;
 245        u64 o2bspc;
 246        u64 b2ospc;
 247        u64 b2ogprc;
 248};
 249
 250struct e1000_host_mng_dhcp_cookie {
 251        u32 signature;
 252        u8  status;
 253        u8  reserved0;
 254        u16 vlan_id;
 255        u32 reserved1;
 256        u16 reserved2;
 257        u8  reserved3;
 258        u8  checksum;
 259};
 260
 261/* Host Interface "Rev 1" */
 262struct e1000_host_command_header {
 263        u8 command_id;
 264        u8 command_length;
 265        u8 command_options;
 266        u8 checksum;
 267};
 268
 269#define E1000_HI_MAX_DATA_LENGTH     252
 270struct e1000_host_command_info {
 271        struct e1000_host_command_header command_header;
 272        u8 command_data[E1000_HI_MAX_DATA_LENGTH];
 273};
 274
 275/* Host Interface "Rev 2" */
 276struct e1000_host_mng_command_header {
 277        u8  command_id;
 278        u8  checksum;
 279        u16 reserved1;
 280        u16 reserved2;
 281        u16 command_length;
 282};
 283
 284#define E1000_HI_MAX_MNG_DATA_LENGTH 0x6F8
 285struct e1000_host_mng_command_info {
 286        struct e1000_host_mng_command_header command_header;
 287        u8 command_data[E1000_HI_MAX_MNG_DATA_LENGTH];
 288};
 289
 290#include "e1000_mac.h"
 291#include "e1000_phy.h"
 292#include "e1000_nvm.h"
 293#include "e1000_mbx.h"
 294
 295struct e1000_mac_operations {
 296        s32 (*check_for_link)(struct e1000_hw *);
 297        s32 (*reset_hw)(struct e1000_hw *);
 298        s32 (*init_hw)(struct e1000_hw *);
 299        bool (*check_mng_mode)(struct e1000_hw *);
 300        s32 (*setup_physical_interface)(struct e1000_hw *);
 301        void (*rar_set)(struct e1000_hw *, u8 *, u32);
 302        s32 (*read_mac_addr)(struct e1000_hw *);
 303        s32 (*get_speed_and_duplex)(struct e1000_hw *, u16 *, u16 *);
 304        s32 (*acquire_swfw_sync)(struct e1000_hw *, u16);
 305        void (*release_swfw_sync)(struct e1000_hw *, u16);
 306#ifdef CONFIG_IGB_HWMON
 307        s32 (*get_thermal_sensor_data)(struct e1000_hw *);
 308        s32 (*init_thermal_sensor_thresh)(struct e1000_hw *);
 309#endif
 310        void (*write_vfta)(struct e1000_hw *, u32, u32);
 311};
 312
 313struct e1000_phy_operations {
 314        s32 (*acquire)(struct e1000_hw *);
 315        s32 (*check_polarity)(struct e1000_hw *);
 316        s32 (*check_reset_block)(struct e1000_hw *);
 317        s32 (*force_speed_duplex)(struct e1000_hw *);
 318        s32 (*get_cfg_done)(struct e1000_hw *hw);
 319        s32 (*get_cable_length)(struct e1000_hw *);
 320        s32 (*get_phy_info)(struct e1000_hw *);
 321        s32 (*read_reg)(struct e1000_hw *, u32, u16 *);
 322        void (*release)(struct e1000_hw *);
 323        s32 (*reset)(struct e1000_hw *);
 324        s32 (*set_d0_lplu_state)(struct e1000_hw *, bool);
 325        s32 (*set_d3_lplu_state)(struct e1000_hw *, bool);
 326        s32 (*write_reg)(struct e1000_hw *, u32, u16);
 327        s32 (*read_i2c_byte)(struct e1000_hw *, u8, u8, u8 *);
 328        s32 (*write_i2c_byte)(struct e1000_hw *, u8, u8, u8);
 329};
 330
 331struct e1000_nvm_operations {
 332        s32 (*acquire)(struct e1000_hw *);
 333        s32 (*read)(struct e1000_hw *, u16, u16, u16 *);
 334        void (*release)(struct e1000_hw *);
 335        s32 (*write)(struct e1000_hw *, u16, u16, u16 *);
 336        s32 (*update)(struct e1000_hw *);
 337        s32 (*validate)(struct e1000_hw *);
 338        s32 (*valid_led_default)(struct e1000_hw *, u16 *);
 339};
 340
 341#define E1000_MAX_SENSORS               3
 342
 343struct e1000_thermal_diode_data {
 344        u8 location;
 345        u8 temp;
 346        u8 caution_thresh;
 347        u8 max_op_thresh;
 348};
 349
 350struct e1000_thermal_sensor_data {
 351        struct e1000_thermal_diode_data sensor[E1000_MAX_SENSORS];
 352};
 353
 354struct e1000_info {
 355        s32 (*get_invariants)(struct e1000_hw *);
 356        struct e1000_mac_operations *mac_ops;
 357        const struct e1000_phy_operations *phy_ops;
 358        struct e1000_nvm_operations *nvm_ops;
 359};
 360
 361extern const struct e1000_info e1000_82575_info;
 362
 363struct e1000_mac_info {
 364        struct e1000_mac_operations ops;
 365
 366        u8 addr[6];
 367        u8 perm_addr[6];
 368
 369        enum e1000_mac_type type;
 370
 371        u32 ledctl_default;
 372        u32 ledctl_mode1;
 373        u32 ledctl_mode2;
 374        u32 mc_filter_type;
 375        u32 txcw;
 376
 377        u16 mta_reg_count;
 378        u16 uta_reg_count;
 379
 380        /* Maximum size of the MTA register table in all supported adapters */
 381        #define MAX_MTA_REG 128
 382        u32 mta_shadow[MAX_MTA_REG];
 383        u16 rar_entry_count;
 384
 385        u8  forced_speed_duplex;
 386
 387        bool adaptive_ifs;
 388        bool arc_subsystem_valid;
 389        bool asf_firmware_present;
 390        bool autoneg;
 391        bool autoneg_failed;
 392        bool disable_hw_init_bits;
 393        bool get_link_status;
 394        bool ifs_params_forced;
 395        bool in_ifs_mode;
 396        bool report_tx_early;
 397        bool serdes_has_link;
 398        bool tx_pkt_filtering;
 399        struct e1000_thermal_sensor_data thermal_sensor_data;
 400};
 401
 402struct e1000_phy_info {
 403        struct e1000_phy_operations ops;
 404
 405        enum e1000_phy_type type;
 406
 407        enum e1000_1000t_rx_status local_rx;
 408        enum e1000_1000t_rx_status remote_rx;
 409        enum e1000_ms_type ms_type;
 410        enum e1000_ms_type original_ms_type;
 411        enum e1000_rev_polarity cable_polarity;
 412        enum e1000_smart_speed smart_speed;
 413
 414        u32 addr;
 415        u32 id;
 416        u32 reset_delay_us; /* in usec */
 417        u32 revision;
 418
 419        enum e1000_media_type media_type;
 420
 421        u16 autoneg_advertised;
 422        u16 autoneg_mask;
 423        u16 cable_length;
 424        u16 max_cable_length;
 425        u16 min_cable_length;
 426        u16 pair_length[4];
 427
 428        u8 mdix;
 429
 430        bool disable_polarity_correction;
 431        bool is_mdix;
 432        bool polarity_correction;
 433        bool reset_disable;
 434        bool speed_downgraded;
 435        bool autoneg_wait_to_complete;
 436};
 437
 438struct e1000_nvm_info {
 439        struct e1000_nvm_operations ops;
 440        enum e1000_nvm_type type;
 441        enum e1000_nvm_override override;
 442
 443        u32 flash_bank_size;
 444        u32 flash_base_addr;
 445
 446        u16 word_size;
 447        u16 delay_usec;
 448        u16 address_bits;
 449        u16 opcode_bits;
 450        u16 page_size;
 451};
 452
 453struct e1000_bus_info {
 454        enum e1000_bus_type type;
 455        enum e1000_bus_speed speed;
 456        enum e1000_bus_width width;
 457
 458        u32 snoop;
 459
 460        u16 func;
 461        u16 pci_cmd_word;
 462};
 463
 464struct e1000_fc_info {
 465        u32 high_water;     /* Flow control high-water mark */
 466        u32 low_water;      /* Flow control low-water mark */
 467        u16 pause_time;     /* Flow control pause timer */
 468        bool send_xon;      /* Flow control send XON */
 469        bool strict_ieee;   /* Strict IEEE mode */
 470        enum e1000_fc_mode current_mode; /* Type of flow control */
 471        enum e1000_fc_mode requested_mode;
 472};
 473
 474struct e1000_mbx_operations {
 475        s32 (*init_params)(struct e1000_hw *hw);
 476        s32 (*read)(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id,
 477                    bool unlock);
 478        s32 (*write)(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id);
 479        s32 (*read_posted)(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id);
 480        s32 (*write_posted)(struct e1000_hw *hw, u32 *msg, u16 size,
 481                            u16 mbx_id);
 482        s32 (*check_for_msg)(struct e1000_hw *hw, u16 mbx_id);
 483        s32 (*check_for_ack)(struct e1000_hw *hw, u16 mbx_id);
 484        s32 (*check_for_rst)(struct e1000_hw *hw, u16 mbx_id);
 485        s32 (*unlock)(struct e1000_hw *hw, u16 mbx_id);
 486};
 487
 488struct e1000_mbx_stats {
 489        u32 msgs_tx;
 490        u32 msgs_rx;
 491
 492        u32 acks;
 493        u32 reqs;
 494        u32 rsts;
 495};
 496
 497struct e1000_mbx_info {
 498        struct e1000_mbx_operations ops;
 499        struct e1000_mbx_stats stats;
 500        u32 timeout;
 501        u32 usec_delay;
 502        u16 size;
 503};
 504
 505struct e1000_dev_spec_82575 {
 506        bool sgmii_active;
 507        bool global_device_reset;
 508        bool eee_disable;
 509        bool clear_semaphore_once;
 510        struct e1000_sfp_flags eth_flags;
 511        bool module_plugged;
 512        u8 media_port;
 513        bool media_changed;
 514        bool mas_capable;
 515};
 516
 517struct e1000_hw {
 518        void *back;
 519
 520        u8 __iomem *hw_addr;
 521        u8 __iomem *flash_address;
 522        unsigned long io_base;
 523
 524        struct e1000_mac_info  mac;
 525        struct e1000_fc_info   fc;
 526        struct e1000_phy_info  phy;
 527        struct e1000_nvm_info  nvm;
 528        struct e1000_bus_info  bus;
 529        struct e1000_mbx_info mbx;
 530        struct e1000_host_mng_dhcp_cookie mng_cookie;
 531
 532        union {
 533                struct e1000_dev_spec_82575     _82575;
 534        } dev_spec;
 535
 536        u16 device_id;
 537        u16 subsystem_vendor_id;
 538        u16 subsystem_device_id;
 539        u16 vendor_id;
 540
 541        u8  revision_id;
 542};
 543
 544struct net_device *igb_get_hw_dev(struct e1000_hw *hw);
 545#define hw_dbg(format, arg...) \
 546        netdev_dbg(igb_get_hw_dev(hw), format, ##arg)
 547
 548/* These functions must be implemented by drivers */
 549s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
 550s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
 551
 552void igb_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value);
 553void igb_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value);
 554#endif /* _E1000_IGB_HW_H_ */
 555