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 /**
 235  * hns_dsaf_srst_chns - reset dsaf channels
 236  * @dsaf_dev: dsaf device struct pointer
 237  * @msk: xbar channels mask value:
 238  * bit0-5 for xge0-5
 239  * bit6-11 for ppe0-5
 240  * bit12-17 for roce0-5
 241  * bit18-19 for com/dfx
 242  * @enable: false - request reset , true - drop reset
 243  */
 244 void hns_dsaf_srst_chns(struct dsaf_device *dsaf_dev, u32 msk, bool enable)
 245 {
 246         u32 reg_addr;
 247
 248         if (!enable)
 249                 reg_addr = DSAF_SUB_SC_DSAF_RESET_REQ_REG;
 250         else
 251                 reg_addr = DSAF_SUB_SC_DSAF_RESET_DREQ_REG;
 252
 253         dsaf_write_sub(dsaf_dev, reg_addr, msk);
 254 }
 255
 256 void hns_dsaf_roce_srst(struct dsaf_device *dsaf_dev, bool enable)
 257 {
 258         if (!enable) {
 259                 dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_ROCEE_RESET_REQ_REG, 1);
 260         } else {
 261                 dsaf_write_sub(dsaf_dev,
 262                                DSAF_SUB_SC_ROCEE_CLK_DIS_REG, 1);
 263                 dsaf_write_sub(dsaf_dev,
 264                                DSAF_SUB_SC_ROCEE_RESET_DREQ_REG, 1);
 265                 msleep(20);
 266                 dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_ROCEE_CLK_EN_REG, 1);
 267         }
 268 }
 269
 270 static void
 271 hns_dsaf_xge_core_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
 272                                     u32 port, bool dereset)
 273 {
 274         hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
 275                                    HNS_XGE_CORE_RESET_FUNC, port, dereset);
 276 }
 277
 278 static void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
 279                                      bool dereset)
 280 {
 281         u32 reg_val_1;
 282         u32 reg_val_2;
 283         u32 port_rst_off;
 284
 285         if (port >= DSAF_GE_NUM)
 286                 return;
 287
 288         if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
 289                 reg_val_1  = 0x1 << port;
 290                 port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off;
 291                 /* there is difference between V1 and V2 in register.*/
 292                 reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ?
 293                                 0x1041041 : 0x2082082;
 294                 reg_val_2 <<= port_rst_off;
 295
 296                 if (!dereset) {
 297                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
 298                                        reg_val_1);
 299
 300                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ0_REG,
 301                                        reg_val_2);
 302                 } else {
 303                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ0_REG,
 304                                        reg_val_2);
 305
 306                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ1_REG,
 307                                        reg_val_1);
 308                 }
 309         } else {
 310                 reg_val_1 = 0x15540;
 311                 reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ? 0x100 : 0x40;
 312
 313                 reg_val_1 <<= dsaf_dev->reset_offset;
 314                 reg_val_2 <<= dsaf_dev->reset_offset;
 315
 316                 if (!dereset) {
 317                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
 318                                        reg_val_1);
 319
 320                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_PPE_RESET_REQ_REG,
 321                                        reg_val_2);
 322                 } else {
 323                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ1_REG,
 324                                        reg_val_1);
 325
 326                         dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_PPE_RESET_DREQ_REG,
 327                                        reg_val_2);
 328                 }
 329         }
 330 }
 331
 332 static void hns_dsaf_ge_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
 333                                           u32 port, bool dereset)
 334 {
 335         hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
 336                                    HNS_GE_RESET_FUNC, port, dereset);
 337 }
 338
 339 static void hns_ppe_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
 340                                  bool dereset)
 341 {
 342         u32 reg_val = 0;
 343         u32 reg_addr;
 344
 345         reg_val |= RESET_REQ_OR_DREQ << dsaf_dev->mac_cb[port]->port_rst_off;
 346
 347         if (!dereset)
 348                 reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG;
 349         else
 350                 reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG;
 351
 352         dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
 353 }
 354
 355 static void
 356 hns_ppe_srst_by_port_acpi(struct dsaf_device *dsaf_dev, u32 port, bool dereset)
 357 {
 358         hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
 359                                    HNS_PPE_RESET_FUNC, port, dereset);
 360 }
 361
 362 static void hns_ppe_com_srst(struct dsaf_device *dsaf_dev, bool dereset)
 363 {
 364         u32 reg_val;
 365         u32 reg_addr;
 366
 367         if (!(dev_of_node(dsaf_dev->dev)))
 368                 return;
 369
 370         if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
 371                 reg_val = RESET_REQ_OR_DREQ;
 372                 if (!dereset)
 373                         reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_REQ_REG;
 374                 else
 375                         reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_DREQ_REG;
 376
 377         } else {
 378                 reg_val = 0x100 << dsaf_dev->reset_offset;
 379
 380                 if (!dereset)
 381                         reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG;
 382                 else
 383                         reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG;
 384         }
 385
 386         dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
 387 }
 388
 389 /**
 390  * hns_mac_get_sds_mode - get phy ifterface form serdes mode
 391  * @mac_cb: mac control block
 392  * retuen phy interface
 393  */
 394 static phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb)
 395 {
 396         u32 mode;
 397         u32 reg;
 398         bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
 399         int mac_id = mac_cb->mac_id;
 400         phy_interface_t phy_if;
 401
 402         if (is_ver1) {
 403                 if (HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev))
 404                         return PHY_INTERFACE_MODE_SGMII;
 405
 406                 if (mac_id >= 0 && mac_id <= 3)
 407                         reg = HNS_MAC_HILINK4_REG;
 408                 else
 409                         reg = HNS_MAC_HILINK3_REG;
 410         } else{
 411                 if (!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev) && mac_id <= 3)
 412                         reg = HNS_MAC_HILINK4V2_REG;
 413                 else
 414                         reg = HNS_MAC_HILINK3V2_REG;
 415         }
 416
 417         mode = dsaf_read_sub(mac_cb->dsaf_dev, reg);
 418         if (dsaf_get_bit(mode, mac_cb->port_mode_off))
 419                 phy_if = PHY_INTERFACE_MODE_XGMII;
 420         else
 421                 phy_if = PHY_INTERFACE_MODE_SGMII;
 422
 423         return phy_if;
 424 }
 425
 426 static phy_interface_t hns_mac_get_phy_if_acpi(struct hns_mac_cb *mac_cb)
 427 {
 428         phy_interface_t phy_if = PHY_INTERFACE_MODE_NA;
 429         union acpi_object *obj;
 430         union acpi_object obj_args, argv4;
 431
 432         obj_args.integer.type = ACPI_TYPE_INTEGER;
 433         obj_args.integer.value = mac_cb->mac_id;
 434
 435         argv4.type = ACPI_TYPE_PACKAGE,
 436         argv4.package.count = 1,
 437         argv4.package.elements = &obj_args,
 438
 439         obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
 440                                 hns_dsaf_acpi_dsm_uuid, 0,
 441                                 HNS_OP_GET_PORT_TYPE_FUNC, &argv4);
 442
 443         if (!obj || obj->type != ACPI_TYPE_INTEGER)
 444                 return phy_if;
 445
 446         phy_if = obj->integer.value ?
 447                 PHY_INTERFACE_MODE_XGMII : PHY_INTERFACE_MODE_SGMII;
 448
 449         dev_dbg(mac_cb->dev, "mac_id=%d, phy_if=%d\n", mac_cb->mac_id, phy_if);
 450
 451         ACPI_FREE(obj);
 452
 453         return phy_if;
 454 }
 455
 456 int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt)
 457 {
 458         if (!mac_cb->cpld_ctrl)
 459                 return -ENODEV;
 460
 461         *sfp_prsnt = !dsaf_read_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg
 462                                         + MAC_SFP_PORT_OFFSET);
 463
 464         return 0;
 465 }
 466
 467 /**
 468  * hns_mac_config_sds_loopback - set loop back for serdes
 469  * @mac_cb: mac control block
 470  * retuen 0 == success
 471  */
 472 static int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, bool en)
 473 {
 474         const u8 lane_id[] = {
 475                 0,      /* mac 0 -> lane 0 */
 476                 1,      /* mac 1 -> lane 1 */
 477                 2,      /* mac 2 -> lane 2 */
 478                 3,      /* mac 3 -> lane 3 */
 479                 2,      /* mac 4 -> lane 2 */
 480                 3,      /* mac 5 -> lane 3 */
 481                 0,      /* mac 6 -> lane 0 */
 482                 1       /* mac 7 -> lane 1 */
 483         };
 484 #define RX_CSR(lane, reg) ((0x4080 + (reg) * 0x0002 + (lane) * 0x0200) * 2)
 485         u64 reg_offset = RX_CSR(lane_id[mac_cb->mac_id], 0);
 486
 487         int sfp_prsnt;
 488         int ret = hns_mac_get_sfp_prsnt(mac_cb, &sfp_prsnt);
 489
 490         if (!mac_cb->phy_dev) {
 491                 if (ret)
 492                         pr_info("please confirm sfp is present or not\n");
 493                 else
 494                         if (!sfp_prsnt)
 495                                 pr_info("no sfp in this eth\n");
 496         }
 497
 498         if (mac_cb->serdes_ctrl) {
 499                 u32 origin;
 500
 501                 if (!AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) {
 502 #define HILINK_ACCESS_SEL_CFG           0x40008
 503                         /* hilink4 & hilink3 use the same xge training and
 504                          * xge u adaptor. There is a hilink access sel cfg
 505                          * register to select which one to be configed
 506                          */
 507                         if ((!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev)) &&
 508                             (mac_cb->mac_id <= 3))
 509                                 dsaf_write_syscon(mac_cb->serdes_ctrl,
 510                                                   HILINK_ACCESS_SEL_CFG, 0);
 511                         else
 512                                 dsaf_write_syscon(mac_cb->serdes_ctrl,
 513                                                   HILINK_ACCESS_SEL_CFG, 3);
 514                 }
 515
 516                 origin = dsaf_read_syscon(mac_cb->serdes_ctrl, reg_offset);
 517
 518                 dsaf_set_field(origin, 1ull << 10, 10, en);
 519                 dsaf_write_syscon(mac_cb->serdes_ctrl, reg_offset, origin);
 520         } else {
 521                 u8 *base_addr = (u8 *)mac_cb->serdes_vaddr +
 522                                 (mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000);
 523                 dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, 10, en);
 524         }
 525
 526         return 0;
 527 }
 528
 529 static int
 530 hns_mac_config_sds_loopback_acpi(struct hns_mac_cb *mac_cb, bool en)
 531 {
 532         union acpi_object *obj;
 533         union acpi_object obj_args[3], argv4;
 534
 535         obj_args[0].integer.type = ACPI_TYPE_INTEGER;
 536         obj_args[0].integer.value = mac_cb->mac_id;
 537         obj_args[1].integer.type = ACPI_TYPE_INTEGER;
 538         obj_args[1].integer.value = !!en;
 539
 540         argv4.type = ACPI_TYPE_PACKAGE;
 541         argv4.package.count = 2;
 542         argv4.package.elements = obj_args;
 543
 544         obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dsaf_dev->dev),
 545                                 hns_dsaf_acpi_dsm_uuid, 0,
 546                                 HNS_OP_SERDES_LP_FUNC, &argv4);
 547         if (!obj) {
 548                 dev_warn(mac_cb->dsaf_dev->dev, "set port%d serdes lp fail!",
 549                          mac_cb->mac_id);
 550
 551                 return -ENOTSUPP;
 552         }
 553
 554         ACPI_FREE(obj);
 555
 556         return 0;
 557 }
 558
 559 struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev)
 560 {
 561         struct dsaf_misc_op *misc_op;
 562
 563         misc_op = devm_kzalloc(dsaf_dev->dev, sizeof(*misc_op), GFP_KERNEL);
 564         if (!misc_op)
 565                 return NULL;
 566
 567         if (dev_of_node(dsaf_dev->dev)) {
 568                 misc_op->cpld_set_led = hns_cpld_set_led;
 569                 misc_op->cpld_reset_led = cpld_led_reset;
 570                 misc_op->cpld_set_led_id = cpld_set_led_id;
 571
 572                 misc_op->dsaf_reset = hns_dsaf_rst;
 573                 misc_op->xge_srst = hns_dsaf_xge_srst_by_port;
 574                 misc_op->xge_core_srst = hns_dsaf_xge_core_srst_by_port;
 575                 misc_op->ge_srst = hns_dsaf_ge_srst_by_port;
 576                 misc_op->ppe_srst = hns_ppe_srst_by_port;
 577                 misc_op->ppe_comm_srst = hns_ppe_com_srst;
 578
 579                 misc_op->get_phy_if = hns_mac_get_phy_if;
 580                 misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt;
 581
 582                 misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback;
 583         } else if (is_acpi_node(dsaf_dev->dev->fwnode)) {
 584                 misc_op->cpld_set_led = hns_cpld_set_led;
 585                 misc_op->cpld_reset_led = cpld_led_reset;
 586                 misc_op->cpld_set_led_id = cpld_set_led_id;
 587
 588                 misc_op->dsaf_reset = hns_dsaf_rst_acpi;
 589                 misc_op->xge_srst = hns_dsaf_xge_srst_by_port_acpi;
 590                 misc_op->xge_core_srst = hns_dsaf_xge_core_srst_by_port_acpi;
 591                 misc_op->ge_srst = hns_dsaf_ge_srst_by_port_acpi;
 592                 misc_op->ppe_srst = hns_ppe_srst_by_port_acpi;
 593                 misc_op->ppe_comm_srst = hns_ppe_com_srst;
 594
 595                 misc_op->get_phy_if = hns_mac_get_phy_if_acpi;
 596                 misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt;
 597
 598                 misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback_acpi;
 599         } else {
 600                 devm_kfree(dsaf_dev->dev, (void *)misc_op);
 601                 misc_op = NULL;
 602         }
 603
 604         return (void *)misc_op;
 605 }