drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c

   1 /*
   2  * Copyright (c) 2014-2015 Hisilicon Limited.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  */
   9
  10 #include "hns_dsaf_mac.h"
  11 #include "hns_dsaf_misc.h"
  12 #include "hns_dsaf_ppe.h"
  13 #include "hns_dsaf_reg.h"
  14
  15 enum _dsm_op_index {
  16         HNS_OP_RESET_FUNC               = 0x1,
  17         HNS_OP_SERDES_LP_FUNC           = 0x2,
  18         HNS_OP_LED_SET_FUNC             = 0x3,
  19         HNS_OP_GET_PORT_TYPE_FUNC       = 0x4,
  20         HNS_OP_GET_SFP_STAT_FUNC        = 0x5,
  21 };
  22
  23 enum _dsm_rst_type {
  24         HNS_DSAF_RESET_FUNC     = 0x1,
  25         HNS_PPE_RESET_FUNC      = 0x2,
  26         HNS_XGE_CORE_RESET_FUNC = 0x3,
  27         HNS_XGE_RESET_FUNC      = 0x4,
  28         HNS_GE_RESET_FUNC       = 0x5,
  29 };
  30
  31 const u8 hns_dsaf_acpi_dsm_uuid[] = {
  32         0x1A, 0xAA, 0x85, 0x1A, 0x93, 0xE2, 0x5E, 0x41,
  33         0x8E, 0x28, 0x8D, 0x69, 0x0A, 0x0F, 0x82, 0x0A
  34 };
  35
  36 static void dsaf_write_sub(struct dsaf_device *dsaf_dev, u32 reg, u32 val)
  37 {
  38         if (dsaf_dev->sub_ctrl)
  39                 dsaf_write_syscon(dsaf_dev->sub_ctrl, reg, val);
  40         else
  41                 dsaf_write_reg(dsaf_dev->sc_base, reg, val);
  42 }
  43
  44 static u32 dsaf_read_sub(struct dsaf_device *dsaf_dev, u32 reg)
  45 {
  46         u32 ret;
  47
  48         if (dsaf_dev->sub_ctrl)
  49                 ret = dsaf_read_syscon(dsaf_dev->sub_ctrl, reg);
  50         else
  51                 ret = dsaf_read_reg(dsaf_dev->sc_base, reg);
  52
  53         return ret;
  54 }
  55
  56 static void hns_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status,
  57                              u16 speed, int data)
  58 {
  59         int speed_reg = 0;
  60         u8 value;
  61
  62         if (!mac_cb) {
  63                 pr_err("sfp_led_opt mac_dev is null!\n");
  64                 return;
  65         }
  66         if (!mac_cb->cpld_ctrl) {
  67                 dev_err(mac_cb->dev, "mac_id=%d, cpld syscon is null !\n",
  68                         mac_cb->mac_id);
  69                 return;
  70         }
  71
  72         if (speed == MAC_SPEED_10000)
  73                 speed_reg = 1;
  74
  75         value = mac_cb->cpld_led_value;
  76
  77         if (link_status) {
  78                 dsaf_set_bit(value, DSAF_LED_LINK_B, link_status);
  79                 dsaf_set_field(value, DSAF_LED_SPEED_M,
  80                                DSAF_LED_SPEED_S, speed_reg);
  81                 dsaf_set_bit(value, DSAF_LED_DATA_B, data);
  82
  83                 if (value != mac_cb->cpld_led_value) {
  84                         dsaf_write_syscon(mac_cb->cpld_ctrl,
  85                                           mac_cb->cpld_ctrl_reg, value);
  86                         mac_cb->cpld_led_value = value;
  87                 }
  88         } else {
  89                 value = (mac_cb->cpld_led_value) & (0x1 << DSAF_LED_ANCHOR_B);
  90                 dsaf_write_syscon(mac_cb->cpld_ctrl,
  91                                   mac_cb->cpld_ctrl_reg, value);
  92                 mac_cb->cpld_led_value = value;
  93         }
  94 }
  95
  96 static void cpld_led_reset(struct hns_mac_cb *mac_cb)
  97 {
  98         if (!mac_cb || !mac_cb->cpld_ctrl)
  99                 return;
 100
 101         dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
 102                           CPLD_LED_DEFAULT_VALUE);
 103         mac_cb->cpld_led_value = CPLD_LED_DEFAULT_VALUE;
 104 }
 105
 106 static int cpld_set_led_id(struct hns_mac_cb *mac_cb,
 107                            enum hnae_led_state status)
 108 {
 109         switch (status) {
 110         case HNAE_LED_ACTIVE:
 111                 mac_cb->cpld_led_value =
 112                         dsaf_read_syscon(mac_cb->cpld_ctrl,
 113                                          mac_cb->cpld_ctrl_reg);
 114                 dsaf_set_bit(mac_cb->cpld_led_value, DSAF_LED_ANCHOR_B,
 115                              CPLD_LED_ON_VALUE);
 116                 dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
 117                                   mac_cb->cpld_led_value);
 118                 break;
 119         case HNAE_LED_INACTIVE:
 120                 dsaf_set_bit(mac_cb->cpld_led_value, DSAF_LED_ANCHOR_B,
 121                              CPLD_LED_DEFAULT_VALUE);
 122                 dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
 123                                   mac_cb->cpld_led_value);
 124                 break;
 125         default:
 126                 dev_err(mac_cb->dev, "invalid led state: %d!", status);
 127                 return -EINVAL;
 128         }
 129
 130         return 0;
 131 }
 132
 133 #define RESET_REQ_OR_DREQ 1
 134
 135 static void hns_dsaf_acpi_srst_by_port(struct dsaf_device *dsaf_dev, u8 op_type,
 136                                        u32 port_type, u32 port, u32 val)
 137 {
 138         union acpi_object *obj;
 139         union acpi_object obj_args[3], argv4;
 140
 141         obj_args[0].integer.type = ACPI_TYPE_INTEGER;
 142         obj_args[0].integer.value = port_type;
 143         obj_args[1].integer.type = ACPI_TYPE_INTEGER;
 144         obj_args[1].integer.value = port;
 145         obj_args[2].integer.type = ACPI_TYPE_INTEGER;
 146         obj_args[2].integer.value = val;
 147
 148         argv4.type = ACPI_TYPE_PACKAGE;
 149         argv4.package.count = 3;
 150         argv4.package.elements = obj_args;
 151
 152         obj = acpi_evaluate_dsm(ACPI_HANDLE(dsaf_dev->dev),
 153                                 hns_dsaf_acpi_dsm_uuid, 0, op_type, &argv4);
 154         if (!obj) {
 155                 dev_warn(dsaf_dev->dev, "reset port_type%d port%d fail!",
 156                          port_type, port);
 157                 return;
 158         }
 159
 160         ACPI_FREE(obj);
 161 }
 162
 163 static void hns_dsaf_rst(struct dsaf_device *dsaf_dev, bool dereset)
 164 {
 165         u32 xbar_reg_addr;
 166         u32 nt_reg_addr;
 167
 168         if (!dereset) {
 169                 xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_REQ_REG;
 170                 nt_reg_addr = DSAF_SUB_SC_NT_RESET_REQ_REG;
 171         } else {
 172                 xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_DREQ_REG;
 173                 nt_reg_addr = DSAF_SUB_SC_NT_RESET_DREQ_REG;
 174         }
 175
 176         dsaf_write_sub(dsaf_dev, xbar_reg_addr, RESET_REQ_OR_DREQ);
 177         dsaf_write_sub(dsaf_dev, nt_reg_addr, RESET_REQ_OR_DREQ);
 178 }
 179
 180 static void hns_dsaf_rst_acpi(struct dsaf_device *dsaf_dev, bool dereset)
 181 {
 182         hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
 183                                    HNS_DSAF_RESET_FUNC,
 184                                    0, dereset);
 185 }
 186
 187 static void hns_dsaf_xge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
 188                                       bool dereset)
 189 {
 190         u32 reg_val = 0;
 191         u32 reg_addr;
 192
 193         if (port >= DSAF_XGE_NUM)
 194                 return;
 195
 196         reg_val |= RESET_REQ_OR_DREQ;
 197         reg_val |= 0x2082082 << dsaf_dev->mac_cb[port]->port_rst_off;
 198
 199         if (!dereset)
 200                 reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG;
 201         else
 202                 reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG;
 203
 204         dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
 205 }
 206
 207 static void hns_dsaf_xge_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
 208                                            u32 port, bool dereset)
 209 {
 210         hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
 211                                    HNS_XGE_RESET_FUNC, port, dereset);
 212 }
 213
 214 static void hns_dsaf_xge_core_srst_by_port(struct dsaf_device *dsaf_dev,
 215                                            u32 port, bool dereset)
 216 {
 217         u32 reg_val = 0;
 218         u32 reg_addr;
 219
 220         if (port >= DSAF_XGE_NUM)
 221                 return;
 222
 223         reg_val |= XGMAC_TRX_CORE_SRST_M
 224                 << dsaf_dev->mac_cb[port]->port_rst_off;
 225
 226         if (!dereset)
 227                 reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG;
 228         else
 229                 reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG;
 230
 231         dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
 232 }
 233
 234 static void
 235 hns_dsaf_xge_core_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
 236                                     u32 port, bool dereset)
 237 {
 238         hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
 239                                    HNS_XGE_CORE_RESET_FUNC, port, dereset);
 240 }
 241
 242 static void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
 243                                      bool dereset)
 244 {
 245         u32 reg_val_1;
 246         u32 reg_val_2;
 247         u32 port_rst_off;
 248
 249         if (port >= DSAF_GE_NUM)
 250                 return;
 251
 252         if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
 253                 reg_val_1  = 0x1 << port;
 254                 port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off;
 255                 /* there is difference between V1 and V2 in register.*/
 256                 reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ?
 257                                 0x1041041 : 0x2082082;
 258                 reg_val_2 <<= port_rst_off;
 259
 260                 if (!dereset) {
 261                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
 262                                        reg_val_1);
 263
 264                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ0_REG,
 265                                        reg_val_2);
 266                 } else {
 267                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ0_REG,
 268                                        reg_val_2);
 269
 270                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ1_REG,
 271                                        reg_val_1);
 272                 }
 273         } else {
 274                 reg_val_1 = 0x15540;
 275                 reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ? 0x100 : 0x40;
 276
 277                 reg_val_1 <<= dsaf_dev->reset_offset;
 278                 reg_val_2 <<= dsaf_dev->reset_offset;
 279
 280                 if (!dereset) {
 281                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
 282                                        reg_val_1);
 283
 284                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_PPE_RESET_REQ_REG,
 285                                        reg_val_2);
 286                 } else {
 287                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ1_REG,
 288                                        reg_val_1);
 289
 290                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_PPE_RESET_DREQ_REG,
 291                                        reg_val_2);
 292                 }
 293         }
 294 }
 295
 296 static void hns_dsaf_ge_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
 297                                           u32 port, bool dereset)
 298 {
 299         hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
 300                                    HNS_GE_RESET_FUNC, port, dereset);
 301 }
 302
 303 static void hns_ppe_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
 304                                  bool dereset)
 305 {
 306         u32 reg_val = 0;
 307         u32 reg_addr;
 308
 309         reg_val |= RESET_REQ_OR_DREQ << dsaf_dev->mac_cb[port]->port_rst_off;
 310
 311         if (!dereset)
 312                 reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG;
 313         else
 314                 reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG;
 315
 316         dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
 317 }
 318
 319 static void
 320 hns_ppe_srst_by_port_acpi(struct dsaf_device *dsaf_dev, u32 port, bool dereset)
 321 {
 322         hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
 323                                    HNS_PPE_RESET_FUNC, port, dereset);
 324 }
 325
 326 static void hns_ppe_com_srst(struct dsaf_device *dsaf_dev, bool dereset)
 327 {
 328         u32 reg_val;
 329         u32 reg_addr;
 330
 331         if (!(dev_of_node(dsaf_dev->dev)))
 332                 return;
 333
 334         if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
 335                 reg_val = RESET_REQ_OR_DREQ;
 336                 if (!dereset)
 337                         reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_REQ_REG;
 338                 else
 339                         reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_DREQ_REG;
 340
 341         } else {
 342                 reg_val = 0x100 << dsaf_dev->reset_offset;
 343
 344                 if (!dereset)
 345                         reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG;
 346                 else
 347                         reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG;
 348         }
 349
 350         dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
 351 }
 352
 353 /**
 354  * hns_mac_get_sds_mode - get phy ifterface form serdes mode
 355  * @mac_cb: mac control block
 356  * retuen phy interface
 357  */
 358 static phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb)
 359 {
 360         u32 mode;
 361         u32 reg;
 362         bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
 363         int mac_id = mac_cb->mac_id;
 364         phy_interface_t phy_if;
 365
 366         if (is_ver1) {
 367                 if (HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev))
 368                         return PHY_INTERFACE_MODE_SGMII;
 369
 370                 if (mac_id >= 0 && mac_id <= 3)
 371                         reg = HNS_MAC_HILINK4_REG;
 372                 else
 373                         reg = HNS_MAC_HILINK3_REG;
 374         } else{
 375                 if (!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev) && mac_id <= 3)
 376                         reg = HNS_MAC_HILINK4V2_REG;
 377                 else
 378                         reg = HNS_MAC_HILINK3V2_REG;
 379         }
 380
 381         mode = dsaf_read_sub(mac_cb->dsaf_dev, reg);
 382         if (dsaf_get_bit(mode, mac_cb->port_mode_off))
 383                 phy_if = PHY_INTERFACE_MODE_XGMII;
 384         else
 385                 phy_if = PHY_INTERFACE_MODE_SGMII;
 386
 387         return phy_if;
 388 }
 389
 390 static phy_interface_t hns_mac_get_phy_if_acpi(struct hns_mac_cb *mac_cb)
 391 {
 392         phy_interface_t phy_if = PHY_INTERFACE_MODE_NA;
 393         union acpi_object *obj;
 394         union acpi_object obj_args, argv4;
 395
 396         obj_args.integer.type = ACPI_TYPE_INTEGER;
 397         obj_args.integer.value = mac_cb->mac_id;
 398
 399         argv4.type = ACPI_TYPE_PACKAGE,
 400         argv4.package.count = 1,
 401         argv4.package.elements = &obj_args,
 402
 403         obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
 404                                 hns_dsaf_acpi_dsm_uuid, 0,
 405                                 HNS_OP_GET_PORT_TYPE_FUNC, &argv4);
 406
 407         if (!obj || obj->type != ACPI_TYPE_INTEGER)
 408                 return phy_if;
 409
 410         phy_if = obj->integer.value ?
 411                 PHY_INTERFACE_MODE_XGMII : PHY_INTERFACE_MODE_SGMII;
 412
 413         dev_dbg(mac_cb->dev, "mac_id=%d, phy_if=%d\n", mac_cb->mac_id, phy_if);
 414
 415         ACPI_FREE(obj);
 416
 417         return phy_if;
 418 }
 419
 420 int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt)
 421 {
 422         if (!mac_cb->cpld_ctrl)
 423                 return -ENODEV;
 424
 425         *sfp_prsnt = !dsaf_read_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg
 426                                         + MAC_SFP_PORT_OFFSET);
 427
 428         return 0;
 429 }
 430
 431 /**
 432  * hns_mac_config_sds_loopback - set loop back for serdes
 433  * @mac_cb: mac control block
 434  * retuen 0 == success
 435  */
 436 static int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, bool en)
 437 {
 438         const u8 lane_id[] = {
 439                 0,      /* mac 0 -> lane 0 */
 440                 1,      /* mac 1 -> lane 1 */
 441                 2,      /* mac 2 -> lane 2 */
 442                 3,      /* mac 3 -> lane 3 */
 443                 2,      /* mac 4 -> lane 2 */
 444                 3,      /* mac 5 -> lane 3 */
 445                 0,      /* mac 6 -> lane 0 */
 446                 1       /* mac 7 -> lane 1 */
 447         };
 448 #define RX_CSR(lane, reg) ((0x4080 + (reg) * 0x0002 + (lane) * 0x0200) * 2)
 449         u64 reg_offset = RX_CSR(lane_id[mac_cb->mac_id], 0);
 450
 451         int sfp_prsnt;
 452         int ret = hns_mac_get_sfp_prsnt(mac_cb, &sfp_prsnt);
 453
 454         if (!mac_cb->phy_dev) {
 455                 if (ret)
 456                         pr_info("please confirm sfp is present or not\n");
 457                 else
 458                         if (!sfp_prsnt)
 459                                 pr_info("no sfp in this eth\n");
 460         }
 461
 462         if (mac_cb->serdes_ctrl) {
 463                 u32 origin;
 464
 465                 if (!AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) {
 466 #define HILINK_ACCESS_SEL_CFG           0x40008
 467                         /* hilink4 & hilink3 use the same xge training and
 468                          * xge u adaptor. There is a hilink access sel cfg
 469                          * register to select which one to be configed
 470                          */
 471                         if ((!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev)) &&
 472                             (mac_cb->mac_id <= 3))
 473                                 dsaf_write_syscon(mac_cb->serdes_ctrl,
 474                                                   HILINK_ACCESS_SEL_CFG, 0);
 475                         else
 476                                 dsaf_write_syscon(mac_cb->serdes_ctrl,
 477                                                   HILINK_ACCESS_SEL_CFG, 3);
 478                 }
 479
 480                 origin = dsaf_read_syscon(mac_cb->serdes_ctrl, reg_offset);
 481
 482                 dsaf_set_field(origin, 1ull << 10, 10, en);
 483                 dsaf_write_syscon(mac_cb->serdes_ctrl, reg_offset, origin);
 484         } else {
 485                 u8 *base_addr = (u8 *)mac_cb->serdes_vaddr +
 486                                 (mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000);
 487                 dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, 10, en);
 488         }
 489
 490         return 0;
 491 }
 492
 493 static int
 494 hns_mac_config_sds_loopback_acpi(struct hns_mac_cb *mac_cb, bool en)
 495 {
 496         union acpi_object *obj;
 497         union acpi_object obj_args[3], argv4;
 498
 499         obj_args[0].integer.type = ACPI_TYPE_INTEGER;
 500         obj_args[0].integer.value = mac_cb->mac_id;
 501         obj_args[1].integer.type = ACPI_TYPE_INTEGER;
 502         obj_args[1].integer.value = !!en;
 503
 504         argv4.type = ACPI_TYPE_PACKAGE;
 505         argv4.package.count = 2;
 506         argv4.package.elements = obj_args;
 507
 508         obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dsaf_dev->dev),
 509                                 hns_dsaf_acpi_dsm_uuid, 0,
 510                                 HNS_OP_SERDES_LP_FUNC, &argv4);
 511         if (!obj) {
 512                 dev_warn(mac_cb->dsaf_dev->dev, "set port%d serdes lp fail!",
 513                          mac_cb->mac_id);
 514
 515                 return -ENOTSUPP;
 516         }
 517
 518         ACPI_FREE(obj);
 519
 520         return 0;
 521 }
 522
 523 struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev)
 524 {
 525         struct dsaf_misc_op *misc_op;
 526
 527         misc_op = devm_kzalloc(dsaf_dev->dev, sizeof(*misc_op), GFP_KERNEL);
 528         if (!misc_op)
 529                 return NULL;
 530
 531         if (dev_of_node(dsaf_dev->dev)) {
 532                 misc_op->cpld_set_led = hns_cpld_set_led;
 533                 misc_op->cpld_reset_led = cpld_led_reset;
 534                 misc_op->cpld_set_led_id = cpld_set_led_id;
 535
 536                 misc_op->dsaf_reset = hns_dsaf_rst;
 537                 misc_op->xge_srst = hns_dsaf_xge_srst_by_port;
 538                 misc_op->xge_core_srst = hns_dsaf_xge_core_srst_by_port;
 539                 misc_op->ge_srst = hns_dsaf_ge_srst_by_port;
 540                 misc_op->ppe_srst = hns_ppe_srst_by_port;
 541                 misc_op->ppe_comm_srst = hns_ppe_com_srst;
 542
 543                 misc_op->get_phy_if = hns_mac_get_phy_if;
 544                 misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt;
 545
 546                 misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback;
 547         } else if (is_acpi_node(dsaf_dev->dev->fwnode)) {
 548                 misc_op->cpld_set_led = hns_cpld_set_led;
 549                 misc_op->cpld_reset_led = cpld_led_reset;
 550                 misc_op->cpld_set_led_id = cpld_set_led_id;
 551
 552                 misc_op->dsaf_reset = hns_dsaf_rst_acpi;
 553                 misc_op->xge_srst = hns_dsaf_xge_srst_by_port_acpi;
 554                 misc_op->xge_core_srst = hns_dsaf_xge_core_srst_by_port_acpi;
 555                 misc_op->ge_srst = hns_dsaf_ge_srst_by_port_acpi;
 556                 misc_op->ppe_srst = hns_ppe_srst_by_port_acpi;
 557                 misc_op->ppe_comm_srst = hns_ppe_com_srst;
 558
 559                 misc_op->get_phy_if = hns_mac_get_phy_if_acpi;
 560                 misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt;
 561
 562                 misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback_acpi;
 563         } else {
 564                 devm_kfree(dsaf_dev->dev, (void *)misc_op);
 565                 misc_op = NULL;
 566         }
 567
 568         return (void *)misc_op;
 569 }