1 /****************************************************************************** 2 3 Copyright (c) 2001-2015, Intel Corporation 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions are met: 8 9 1. Redistributions of source code must retain the above copyright notice, 10 this list of conditions and the following disclaimer. 11 12 2. Redistributions in binary form must reproduce the above copyright 13 notice, this list of conditions and the following disclaimer in the 14 documentation and/or other materials provided with the distribution. 15 16 3. Neither the name of the Intel Corporation nor the names of its 17 contributors may be used to endorse or promote products derived from 18 this software without specific prior written permission. 19 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 POSSIBILITY OF SUCH DAMAGE. 31 32 ******************************************************************************/ 33 /*$FreeBSD$*/ 34 35 #include "e1000_api.h" 36 37 /** 38 * e1000_init_mac_params - Initialize MAC function pointers 39 * @hw: pointer to the HW structure 40 * 41 * This function initializes the function pointers for the MAC 42 * set of functions. Called by drivers or by e1000_setup_init_funcs. 43 **/ 44 s32 e1000_init_mac_params(struct e1000_hw *hw) 45 { 46 s32 ret_val = E1000_SUCCESS; 47 48 if (hw->mac.ops.init_params) { 49 ret_val = hw->mac.ops.init_params(hw); 50 if (ret_val) { 51 DEBUGOUT("MAC Initialization Error\n"); 52 goto out; 53 } 54 } else { 55 DEBUGOUT("mac.init_mac_params was NULL\n"); 56 ret_val = -E1000_ERR_CONFIG; 57 } 58 59 out: 60 return ret_val; 61 } 62 63 /** 64 * e1000_init_nvm_params - Initialize NVM function pointers 65 * @hw: pointer to the HW structure 66 * 67 * This function initializes the function pointers for the NVM 68 * set of functions. Called by drivers or by e1000_setup_init_funcs. 69 **/ 70 s32 e1000_init_nvm_params(struct e1000_hw *hw) 71 { 72 s32 ret_val = E1000_SUCCESS; 73 74 if (hw->nvm.ops.init_params) { 75 ret_val = hw->nvm.ops.init_params(hw); 76 if (ret_val) { 77 DEBUGOUT("NVM Initialization Error\n"); 78 goto out; 79 } 80 } else { 81 DEBUGOUT("nvm.init_nvm_params was NULL\n"); 82 ret_val = -E1000_ERR_CONFIG; 83 } 84 85 out: 86 return ret_val; 87 } 88 89 /** 90 * e1000_init_phy_params - Initialize PHY function pointers 91 * @hw: pointer to the HW structure 92 * 93 * This function initializes the function pointers for the PHY 94 * set of functions. Called by drivers or by e1000_setup_init_funcs. 95 **/ 96 s32 e1000_init_phy_params(struct e1000_hw *hw) 97 { 98 s32 ret_val = E1000_SUCCESS; 99 100 if (hw->phy.ops.init_params) { 101 ret_val = hw->phy.ops.init_params(hw); 102 if (ret_val) { 103 DEBUGOUT("PHY Initialization Error\n"); 104 goto out; 105 } 106 } else { 107 DEBUGOUT("phy.init_phy_params was NULL\n"); 108 ret_val = -E1000_ERR_CONFIG; 109 } 110 111 out: 112 return ret_val; 113 } 114 115 /** 116 * e1000_init_mbx_params - Initialize mailbox function pointers 117 * @hw: pointer to the HW structure 118 * 119 * This function initializes the function pointers for the PHY 120 * set of functions. Called by drivers or by e1000_setup_init_funcs. 121 **/ 122 s32 e1000_init_mbx_params(struct e1000_hw *hw) 123 { 124 s32 ret_val = E1000_SUCCESS; 125 126 if (hw->mbx.ops.init_params) { 127 ret_val = hw->mbx.ops.init_params(hw); 128 if (ret_val) { 129 DEBUGOUT("Mailbox Initialization Error\n"); 130 goto out; 131 } 132 } else { 133 DEBUGOUT("mbx.init_mbx_params was NULL\n"); 134 ret_val = -E1000_ERR_CONFIG; 135 } 136 137 out: 138 return ret_val; 139 } 140 141 /** 142 * e1000_set_mac_type - Sets MAC type 143 * @hw: pointer to the HW structure 144 * 145 * This function sets the mac type of the adapter based on the 146 * device ID stored in the hw structure. 147 * MUST BE FIRST FUNCTION CALLED (explicitly or through 148 * e1000_setup_init_funcs()). 149 **/ 150 s32 e1000_set_mac_type(struct e1000_hw *hw) 151 { 152 struct e1000_mac_info *mac = &hw->mac; 153 s32 ret_val = E1000_SUCCESS; 154 155 DEBUGFUNC("e1000_set_mac_type"); 156 157 switch (hw->device_id) { 158 case E1000_DEV_ID_82542: 159 mac->type = e1000_82542; 160 break; 161 case E1000_DEV_ID_82543GC_FIBER: 162 case E1000_DEV_ID_82543GC_COPPER: 163 mac->type = e1000_82543; 164 break; 165 case E1000_DEV_ID_82544EI_COPPER: 166 case E1000_DEV_ID_82544EI_FIBER: 167 case E1000_DEV_ID_82544GC_COPPER: 168 case E1000_DEV_ID_82544GC_LOM: 169 mac->type = e1000_82544; 170 break; 171 case E1000_DEV_ID_82540EM: 172 case E1000_DEV_ID_82540EM_LOM: 173 case E1000_DEV_ID_82540EP: 174 case E1000_DEV_ID_82540EP_LOM: 175 case E1000_DEV_ID_82540EP_LP: 176 mac->type = e1000_82540; 177 break; 178 case E1000_DEV_ID_82545EM_COPPER: 179 case E1000_DEV_ID_82545EM_FIBER: 180 mac->type = e1000_82545; 181 break; 182 case E1000_DEV_ID_82545GM_COPPER: 183 case E1000_DEV_ID_82545GM_FIBER: 184 case E1000_DEV_ID_82545GM_SERDES: 185 mac->type = e1000_82545_rev_3; 186 break; 187 case E1000_DEV_ID_82546EB_COPPER: 188 case E1000_DEV_ID_82546EB_FIBER: 189 case E1000_DEV_ID_82546EB_QUAD_COPPER: 190 mac->type = e1000_82546; 191 break; 192 case E1000_DEV_ID_82546GB_COPPER: 193 case E1000_DEV_ID_82546GB_FIBER: 194 case E1000_DEV_ID_82546GB_SERDES: 195 case E1000_DEV_ID_82546GB_PCIE: 196 case E1000_DEV_ID_82546GB_QUAD_COPPER: 197 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: 198 mac->type = e1000_82546_rev_3; 199 break; 200 case E1000_DEV_ID_82541EI: 201 case E1000_DEV_ID_82541EI_MOBILE: 202 case E1000_DEV_ID_82541ER_LOM: 203 mac->type = e1000_82541; 204 break; 205 case E1000_DEV_ID_82541ER: 206 case E1000_DEV_ID_82541GI: 207 case E1000_DEV_ID_82541GI_LF: 208 case E1000_DEV_ID_82541GI_MOBILE: 209 mac->type = e1000_82541_rev_2; 210 break; 211 case E1000_DEV_ID_82547EI: 212 case E1000_DEV_ID_82547EI_MOBILE: 213 mac->type = e1000_82547; 214 break; 215 case E1000_DEV_ID_82547GI: 216 mac->type = e1000_82547_rev_2; 217 break; 218 case E1000_DEV_ID_82571EB_COPPER: 219 case E1000_DEV_ID_82571EB_FIBER: 220 case E1000_DEV_ID_82571EB_SERDES: 221 case E1000_DEV_ID_82571EB_SERDES_DUAL: 222 case E1000_DEV_ID_82571EB_SERDES_QUAD: 223 case E1000_DEV_ID_82571EB_QUAD_COPPER: 224 case E1000_DEV_ID_82571PT_QUAD_COPPER: 225 case E1000_DEV_ID_82571EB_QUAD_FIBER: 226 case E1000_DEV_ID_82571EB_QUAD_COPPER_LP: 227 case E1000_DEV_ID_82571EB_QUAD_COPPER_BP: 228 mac->type = e1000_82571; 229 break; 230 case E1000_DEV_ID_82572EI: 231 case E1000_DEV_ID_82572EI_COPPER: 232 case E1000_DEV_ID_82572EI_FIBER: 233 case E1000_DEV_ID_82572EI_SERDES: 234 mac->type = e1000_82572; 235 break; 236 case E1000_DEV_ID_82573E: 237 case E1000_DEV_ID_82573E_IAMT: 238 case E1000_DEV_ID_82573L: 239 mac->type = e1000_82573; 240 break; 241 case E1000_DEV_ID_82574L: 242 case E1000_DEV_ID_82574LA: 243 mac->type = e1000_82574; 244 break; 245 case E1000_DEV_ID_82583V: 246 mac->type = e1000_82583; 247 break; 248 case E1000_DEV_ID_80003ES2LAN_COPPER_DPT: 249 case E1000_DEV_ID_80003ES2LAN_SERDES_DPT: 250 case E1000_DEV_ID_80003ES2LAN_COPPER_SPT: 251 case E1000_DEV_ID_80003ES2LAN_SERDES_SPT: 252 mac->type = e1000_80003es2lan; 253 break; 254 case E1000_DEV_ID_ICH8_IFE: 255 case E1000_DEV_ID_ICH8_IFE_GT: 256 case E1000_DEV_ID_ICH8_IFE_G: 257 case E1000_DEV_ID_ICH8_IGP_M: 258 case E1000_DEV_ID_ICH8_IGP_M_AMT: 259 case E1000_DEV_ID_ICH8_IGP_AMT: 260 case E1000_DEV_ID_ICH8_IGP_C: 261 case E1000_DEV_ID_ICH8_82567V_3: 262 mac->type = e1000_ich8lan; 263 break; 264 case E1000_DEV_ID_ICH9_IFE: 265 case E1000_DEV_ID_ICH9_IFE_GT: 266 case E1000_DEV_ID_ICH9_IFE_G: 267 case E1000_DEV_ID_ICH9_IGP_M: 268 case E1000_DEV_ID_ICH9_IGP_M_AMT: 269 case E1000_DEV_ID_ICH9_IGP_M_V: 270 case E1000_DEV_ID_ICH9_IGP_AMT: 271 case E1000_DEV_ID_ICH9_BM: 272 case E1000_DEV_ID_ICH9_IGP_C: 273 case E1000_DEV_ID_ICH10_R_BM_LM: 274 case E1000_DEV_ID_ICH10_R_BM_LF: 275 case E1000_DEV_ID_ICH10_R_BM_V: 276 mac->type = e1000_ich9lan; 277 break; 278 case E1000_DEV_ID_ICH10_D_BM_LM: 279 case E1000_DEV_ID_ICH10_D_BM_LF: 280 case E1000_DEV_ID_ICH10_D_BM_V: 281 mac->type = e1000_ich10lan; 282 break; 283 case E1000_DEV_ID_PCH_D_HV_DM: 284 case E1000_DEV_ID_PCH_D_HV_DC: 285 case E1000_DEV_ID_PCH_M_HV_LM: 286 case E1000_DEV_ID_PCH_M_HV_LC: 287 mac->type = e1000_pchlan; 288 break; 289 case E1000_DEV_ID_PCH2_LV_LM: 290 case E1000_DEV_ID_PCH2_LV_V: 291 mac->type = e1000_pch2lan; 292 break; 293 case E1000_DEV_ID_PCH_LPT_I217_LM: 294 case E1000_DEV_ID_PCH_LPT_I217_V: 295 case E1000_DEV_ID_PCH_LPTLP_I218_LM: 296 case E1000_DEV_ID_PCH_LPTLP_I218_V: 297 case E1000_DEV_ID_PCH_I218_LM2: 298 case E1000_DEV_ID_PCH_I218_V2: 299 case E1000_DEV_ID_PCH_I218_LM3: 300 case E1000_DEV_ID_PCH_I218_V3: 301 mac->type = e1000_pch_lpt; 302 break; 303 case E1000_DEV_ID_PCH_SPT_I219_LM: 304 case E1000_DEV_ID_PCH_SPT_I219_V: 305 case E1000_DEV_ID_PCH_SPT_I219_LM2: 306 case E1000_DEV_ID_PCH_SPT_I219_V2: 307 case E1000_DEV_ID_PCH_LBG_I219_LM3: 308 case E1000_DEV_ID_PCH_SPT_I219_LM4: 309 case E1000_DEV_ID_PCH_SPT_I219_V4: 310 case E1000_DEV_ID_PCH_SPT_I219_LM5: 311 case E1000_DEV_ID_PCH_SPT_I219_V5: 312 mac->type = e1000_pch_spt; 313 break; 314 case E1000_DEV_ID_82575EB_COPPER: 315 case E1000_DEV_ID_82575EB_FIBER_SERDES: 316 case E1000_DEV_ID_82575GB_QUAD_COPPER: 317 mac->type = e1000_82575; 318 break; 319 case E1000_DEV_ID_82576: 320 case E1000_DEV_ID_82576_FIBER: 321 case E1000_DEV_ID_82576_SERDES: 322 case E1000_DEV_ID_82576_QUAD_COPPER: 323 case E1000_DEV_ID_82576_QUAD_COPPER_ET2: 324 case E1000_DEV_ID_82576_NS: 325 case E1000_DEV_ID_82576_NS_SERDES: 326 case E1000_DEV_ID_82576_SERDES_QUAD: 327 mac->type = e1000_82576; 328 break; 329 case E1000_DEV_ID_82580_COPPER: 330 case E1000_DEV_ID_82580_FIBER: 331 case E1000_DEV_ID_82580_SERDES: 332 case E1000_DEV_ID_82580_SGMII: 333 case E1000_DEV_ID_82580_COPPER_DUAL: 334 case E1000_DEV_ID_82580_QUAD_FIBER: 335 case E1000_DEV_ID_DH89XXCC_SGMII: 336 case E1000_DEV_ID_DH89XXCC_SERDES: 337 case E1000_DEV_ID_DH89XXCC_BACKPLANE: 338 case E1000_DEV_ID_DH89XXCC_SFP: 339 mac->type = e1000_82580; 340 break; 341 case E1000_DEV_ID_I350_COPPER: 342 case E1000_DEV_ID_I350_FIBER: 343 case E1000_DEV_ID_I350_SERDES: 344 case E1000_DEV_ID_I350_SGMII: 345 case E1000_DEV_ID_I350_DA4: 346 mac->type = e1000_i350; 347 break; 348 case E1000_DEV_ID_I210_COPPER_FLASHLESS: 349 case E1000_DEV_ID_I210_SERDES_FLASHLESS: 350 case E1000_DEV_ID_I210_COPPER: 351 case E1000_DEV_ID_I210_COPPER_OEM1: 352 case E1000_DEV_ID_I210_COPPER_IT: 353 case E1000_DEV_ID_I210_FIBER: 354 case E1000_DEV_ID_I210_SERDES: 355 case E1000_DEV_ID_I210_SGMII: 356 mac->type = e1000_i210; 357 break; 358 case E1000_DEV_ID_I211_COPPER: 359 mac->type = e1000_i211; 360 break; 361 case E1000_DEV_ID_82576_VF: 362 case E1000_DEV_ID_82576_VF_HV: 363 mac->type = e1000_vfadapt; 364 break; 365 case E1000_DEV_ID_I350_VF: 366 case E1000_DEV_ID_I350_VF_HV: 367 mac->type = e1000_vfadapt_i350; 368 break; 369 370 case E1000_DEV_ID_I354_BACKPLANE_1GBPS: 371 case E1000_DEV_ID_I354_SGMII: 372 case E1000_DEV_ID_I354_BACKPLANE_2_5GBPS: 373 mac->type = e1000_i354; 374 break; 375 default: 376 /* Should never have loaded on this device */ 377 ret_val = -E1000_ERR_MAC_INIT; 378 break; 379 } 380 381 return ret_val; 382 } 383 384 /** 385 * e1000_setup_init_funcs - Initializes function pointers 386 * @hw: pointer to the HW structure 387 * @init_device: TRUE will initialize the rest of the function pointers 388 * getting the device ready for use. FALSE will only set 389 * MAC type and the function pointers for the other init 390 * functions. Passing FALSE will not generate any hardware 391 * reads or writes. 392 * 393 * This function must be called by a driver in order to use the rest 394 * of the 'shared' code files. Called by drivers only. 395 **/ 396 s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device) 397 { 398 s32 ret_val; 399 400 /* Can't do much good without knowing the MAC type. */ 401 ret_val = e1000_set_mac_type(hw); 402 if (ret_val) { 403 DEBUGOUT("ERROR: MAC type could not be set properly.\n"); 404 goto out; 405 } 406 407 if (!hw->hw_addr) { 408 DEBUGOUT("ERROR: Registers not mapped\n"); 409 ret_val = -E1000_ERR_CONFIG; 410 goto out; 411 } 412 413 /* 414 * Init function pointers to generic implementations. We do this first 415 * allowing a driver module to override it afterward. 416 */ 417 e1000_init_mac_ops_generic(hw); 418 e1000_init_phy_ops_generic(hw); 419 e1000_init_nvm_ops_generic(hw); 420 e1000_init_mbx_ops_generic(hw); 421 422 /* 423 * Set up the init function pointers. These are functions within the 424 * adapter family file that sets up function pointers for the rest of 425 * the functions in that family. 426 */ 427 switch (hw->mac.type) { 428 case e1000_82542: 429 e1000_init_function_pointers_82542(hw); 430 break; 431 case e1000_82543: 432 case e1000_82544: 433 e1000_init_function_pointers_82543(hw); 434 break; 435 case e1000_82540: 436 case e1000_82545: 437 case e1000_82545_rev_3: 438 case e1000_82546: 439 case e1000_82546_rev_3: 440 e1000_init_function_pointers_82540(hw); 441 break; 442 case e1000_82541: 443 case e1000_82541_rev_2: 444 case e1000_82547: 445 case e1000_82547_rev_2: 446 e1000_init_function_pointers_82541(hw); 447 break; 448 case e1000_82571: 449 case e1000_82572: 450 case e1000_82573: 451 case e1000_82574: 452 case e1000_82583: 453 e1000_init_function_pointers_82571(hw); 454 break; 455 case e1000_80003es2lan: 456 e1000_init_function_pointers_80003es2lan(hw); 457 break; 458 case e1000_ich8lan: 459 case e1000_ich9lan: 460 case e1000_ich10lan: 461 case e1000_pchlan: 462 case e1000_pch2lan: 463 case e1000_pch_lpt: 464 case e1000_pch_spt: 465 e1000_init_function_pointers_ich8lan(hw); 466 break; 467 case e1000_82575: 468 case e1000_82576: 469 case e1000_82580: 470 case e1000_i350: 471 case e1000_i354: 472 e1000_init_function_pointers_82575(hw); 473 break; 474 case e1000_i210: 475 case e1000_i211: 476 e1000_init_function_pointers_i210(hw); 477 break; 478 case e1000_vfadapt: 479 e1000_init_function_pointers_vf(hw); 480 break; 481 case e1000_vfadapt_i350: 482 e1000_init_function_pointers_vf(hw); 483 break; 484 default: 485 DEBUGOUT("Hardware not supported\n"); 486 ret_val = -E1000_ERR_CONFIG; 487 break; 488 } 489 490 /* 491 * Initialize the rest of the function pointers. These require some 492 * register reads/writes in some cases. 493 */ 494 if (!(ret_val) && init_device) { 495 ret_val = e1000_init_mac_params(hw); 496 if (ret_val) 497 goto out; 498 499 ret_val = e1000_init_nvm_params(hw); 500 if (ret_val) 501 goto out; 502 503 ret_val = e1000_init_phy_params(hw); 504 if (ret_val) 505 goto out; 506 507 ret_val = e1000_init_mbx_params(hw); 508 if (ret_val) 509 goto out; 510 } 511 512 out: 513 return ret_val; 514 } 515 516 /** 517 * e1000_get_bus_info - Obtain bus information for adapter 518 * @hw: pointer to the HW structure 519 * 520 * This will obtain information about the HW bus for which the 521 * adapter is attached and stores it in the hw structure. This is a 522 * function pointer entry point called by drivers. 523 **/ 524 s32 e1000_get_bus_info(struct e1000_hw *hw) 525 { 526 if (hw->mac.ops.get_bus_info) 527 return hw->mac.ops.get_bus_info(hw); 528 529 return E1000_SUCCESS; 530 } 531 532 /** 533 * e1000_clear_vfta - Clear VLAN filter table 534 * @hw: pointer to the HW structure 535 * 536 * This clears the VLAN filter table on the adapter. This is a function 537 * pointer entry point called by drivers. 538 **/ 539 void e1000_clear_vfta(struct e1000_hw *hw) 540 { 541 if (hw->mac.ops.clear_vfta) 542 hw->mac.ops.clear_vfta(hw); 543 } 544 545 /** 546 * e1000_write_vfta - Write value to VLAN filter table 547 * @hw: pointer to the HW structure 548 * @offset: the 32-bit offset in which to write the value to. 549 * @value: the 32-bit value to write at location offset. 550 * 551 * This writes a 32-bit value to a 32-bit offset in the VLAN filter 552 * table. This is a function pointer entry point called by drivers. 553 **/ 554 void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value) 555 { 556 if (hw->mac.ops.write_vfta) 557 hw->mac.ops.write_vfta(hw, offset, value); 558 } 559 560 /** 561 * e1000_update_mc_addr_list - Update Multicast addresses 562 * @hw: pointer to the HW structure 563 * @mc_addr_list: array of multicast addresses to program 564 * @mc_addr_count: number of multicast addresses to program 565 * 566 * Updates the Multicast Table Array. 567 * The caller must have a packed mc_addr_list of multicast addresses. 568 **/ 569 void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list, 570 u32 mc_addr_count) 571 { 572 if (hw->mac.ops.update_mc_addr_list) 573 hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, 574 mc_addr_count); 575 } 576 577 /** 578 * e1000_force_mac_fc - Force MAC flow control 579 * @hw: pointer to the HW structure 580 * 581 * Force the MAC's flow control settings. Currently no func pointer exists 582 * and all implementations are handled in the generic version of this 583 * function. 584 **/ 585 s32 e1000_force_mac_fc(struct e1000_hw *hw) 586 { 587 return e1000_force_mac_fc_generic(hw); 588 } 589 590 /** 591 * e1000_check_for_link - Check/Store link connection 592 * @hw: pointer to the HW structure 593 * 594 * This checks the link condition of the adapter and stores the 595 * results in the hw->mac structure. This is a function pointer entry 596 * point called by drivers. 597 **/ 598 s32 e1000_check_for_link(struct e1000_hw *hw) 599 { 600 if (hw->mac.ops.check_for_link) 601 return hw->mac.ops.check_for_link(hw); 602 603 return -E1000_ERR_CONFIG; 604 } 605 606 /** 607 * e1000_check_mng_mode - Check management mode 608 * @hw: pointer to the HW structure 609 * 610 * This checks if the adapter has manageability enabled. 611 * This is a function pointer entry point called by drivers. 612 **/ 613 bool e1000_check_mng_mode(struct e1000_hw *hw) 614 { 615 if (hw->mac.ops.check_mng_mode) 616 return hw->mac.ops.check_mng_mode(hw); 617 618 return FALSE; 619 } 620 621 /** 622 * e1000_mng_write_dhcp_info - Writes DHCP info to host interface 623 * @hw: pointer to the HW structure 624 * @buffer: pointer to the host interface 625 * @length: size of the buffer 626 * 627 * Writes the DHCP information to the host interface. 628 **/ 629 s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length) 630 { 631 return e1000_mng_write_dhcp_info_generic(hw, buffer, length); 632 } 633 634 /** 635 * e1000_reset_hw - Reset hardware 636 * @hw: pointer to the HW structure 637 * 638 * This resets the hardware into a known state. This is a function pointer 639 * entry point called by drivers. 640 **/ 641 s32 e1000_reset_hw(struct e1000_hw *hw) 642 { 643 if (hw->mac.ops.reset_hw) 644 return hw->mac.ops.reset_hw(hw); 645 646 return -E1000_ERR_CONFIG; 647 } 648 649 /** 650 * e1000_init_hw - Initialize hardware 651 * @hw: pointer to the HW structure 652 * 653 * This inits the hardware readying it for operation. This is a function 654 * pointer entry point called by drivers. 655 **/ 656 s32 e1000_init_hw(struct e1000_hw *hw) 657 { 658 if (hw->mac.ops.init_hw) 659 return hw->mac.ops.init_hw(hw); 660 661 return -E1000_ERR_CONFIG; 662 } 663 664 /** 665 * e1000_setup_link - Configures link and flow control 666 * @hw: pointer to the HW structure 667 * 668 * This configures link and flow control settings for the adapter. This 669 * is a function pointer entry point called by drivers. While modules can 670 * also call this, they probably call their own version of this function. 671 **/ 672 s32 e1000_setup_link(struct e1000_hw *hw) 673 { 674 if (hw->mac.ops.setup_link) 675 return hw->mac.ops.setup_link(hw); 676 677 return -E1000_ERR_CONFIG; 678 } 679 680 /** 681 * e1000_get_speed_and_duplex - Returns current speed and duplex 682 * @hw: pointer to the HW structure 683 * @speed: pointer to a 16-bit value to store the speed 684 * @duplex: pointer to a 16-bit value to store the duplex. 685 * 686 * This returns the speed and duplex of the adapter in the two 'out' 687 * variables passed in. This is a function pointer entry point called 688 * by drivers. 689 **/ 690 s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex) 691 { 692 if (hw->mac.ops.get_link_up_info) 693 return hw->mac.ops.get_link_up_info(hw, speed, duplex); 694 695 return -E1000_ERR_CONFIG; 696 } 697 698 /** 699 * e1000_setup_led - Configures SW controllable LED 700 * @hw: pointer to the HW structure 701 * 702 * This prepares the SW controllable LED for use and saves the current state 703 * of the LED so it can be later restored. This is a function pointer entry 704 * point called by drivers. 705 **/ 706 s32 e1000_setup_led(struct e1000_hw *hw) 707 { 708 if (hw->mac.ops.setup_led) 709 return hw->mac.ops.setup_led(hw); 710 711 return E1000_SUCCESS; 712 } 713 714 /** 715 * e1000_cleanup_led - Restores SW controllable LED 716 * @hw: pointer to the HW structure 717 * 718 * This restores the SW controllable LED to the value saved off by 719 * e1000_setup_led. This is a function pointer entry point called by drivers. 720 **/ 721 s32 e1000_cleanup_led(struct e1000_hw *hw) 722 { 723 if (hw->mac.ops.cleanup_led) 724 return hw->mac.ops.cleanup_led(hw); 725 726 return E1000_SUCCESS; 727 } 728 729 /** 730 * e1000_blink_led - Blink SW controllable LED 731 * @hw: pointer to the HW structure 732 * 733 * This starts the adapter LED blinking. Request the LED to be setup first 734 * and cleaned up after. This is a function pointer entry point called by 735 * drivers. 736 **/ 737 s32 e1000_blink_led(struct e1000_hw *hw) 738 { 739 if (hw->mac.ops.blink_led) 740 return hw->mac.ops.blink_led(hw); 741 742 return E1000_SUCCESS; 743 } 744 745 /** 746 * e1000_id_led_init - store LED configurations in SW 747 * @hw: pointer to the HW structure 748 * 749 * Initializes the LED config in SW. This is a function pointer entry point 750 * called by drivers. 751 **/ 752 s32 e1000_id_led_init(struct e1000_hw *hw) 753 { 754 if (hw->mac.ops.id_led_init) 755 return hw->mac.ops.id_led_init(hw); 756 757 return E1000_SUCCESS; 758 } 759 760 /** 761 * e1000_led_on - Turn on SW controllable LED 762 * @hw: pointer to the HW structure 763 * 764 * Turns the SW defined LED on. This is a function pointer entry point 765 * called by drivers. 766 **/ 767 s32 e1000_led_on(struct e1000_hw *hw) 768 { 769 if (hw->mac.ops.led_on) 770 return hw->mac.ops.led_on(hw); 771 772 return E1000_SUCCESS; 773 } 774 775 /** 776 * e1000_led_off - Turn off SW controllable LED 777 * @hw: pointer to the HW structure 778 * 779 * Turns the SW defined LED off. This is a function pointer entry point 780 * called by drivers. 781 **/ 782 s32 e1000_led_off(struct e1000_hw *hw) 783 { 784 if (hw->mac.ops.led_off) 785 return hw->mac.ops.led_off(hw); 786 787 return E1000_SUCCESS; 788 } 789 790 /** 791 * e1000_reset_adaptive - Reset adaptive IFS 792 * @hw: pointer to the HW structure 793 * 794 * Resets the adaptive IFS. Currently no func pointer exists and all 795 * implementations are handled in the generic version of this function. 796 **/ 797 void e1000_reset_adaptive(struct e1000_hw *hw) 798 { 799 e1000_reset_adaptive_generic(hw); 800 } 801 802 /** 803 * e1000_update_adaptive - Update adaptive IFS 804 * @hw: pointer to the HW structure 805 * 806 * Updates adapter IFS. Currently no func pointer exists and all 807 * implementations are handled in the generic version of this function. 808 **/ 809 void e1000_update_adaptive(struct e1000_hw *hw) 810 { 811 e1000_update_adaptive_generic(hw); 812 } 813 814 /** 815 * e1000_disable_pcie_master - Disable PCI-Express master access 816 * @hw: pointer to the HW structure 817 * 818 * Disables PCI-Express master access and verifies there are no pending 819 * requests. Currently no func pointer exists and all implementations are 820 * handled in the generic version of this function. 821 **/ 822 s32 e1000_disable_pcie_master(struct e1000_hw *hw) 823 { 824 return e1000_disable_pcie_master_generic(hw); 825 } 826 827 /** 828 * e1000_config_collision_dist - Configure collision distance 829 * @hw: pointer to the HW structure 830 * 831 * Configures the collision distance to the default value and is used 832 * during link setup. 833 **/ 834 void e1000_config_collision_dist(struct e1000_hw *hw) 835 { 836 if (hw->mac.ops.config_collision_dist) 837 hw->mac.ops.config_collision_dist(hw); 838 } 839 840 /** 841 * e1000_rar_set - Sets a receive address register 842 * @hw: pointer to the HW structure 843 * @addr: address to set the RAR to 844 * @index: the RAR to set 845 * 846 * Sets a Receive Address Register (RAR) to the specified address. 847 **/ 848 int e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index) 849 { 850 if (hw->mac.ops.rar_set) 851 return hw->mac.ops.rar_set(hw, addr, index); 852 853 return E1000_SUCCESS; 854 } 855 856 /** 857 * e1000_validate_mdi_setting - Ensures valid MDI/MDIX SW state 858 * @hw: pointer to the HW structure 859 * 860 * Ensures that the MDI/MDIX SW state is valid. 861 **/ 862 s32 e1000_validate_mdi_setting(struct e1000_hw *hw) 863 { 864 if (hw->mac.ops.validate_mdi_setting) 865 return hw->mac.ops.validate_mdi_setting(hw); 866 867 return E1000_SUCCESS; 868 } 869 870 /** 871 * e1000_hash_mc_addr - Determines address location in multicast table 872 * @hw: pointer to the HW structure 873 * @mc_addr: Multicast address to hash. 874 * 875 * This hashes an address to determine its location in the multicast 876 * table. Currently no func pointer exists and all implementations 877 * are handled in the generic version of this function. 878 **/ 879 u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr) 880 { 881 return e1000_hash_mc_addr_generic(hw, mc_addr); 882 } 883 884 /** 885 * e1000_enable_tx_pkt_filtering - Enable packet filtering on TX 886 * @hw: pointer to the HW structure 887 * 888 * Enables packet filtering on transmit packets if manageability is enabled 889 * and host interface is enabled. 890 * Currently no func pointer exists and all implementations are handled in the 891 * generic version of this function. 892 **/ 893 bool e1000_enable_tx_pkt_filtering(struct e1000_hw *hw) 894 { 895 return e1000_enable_tx_pkt_filtering_generic(hw); 896 } 897 898 /** 899 * e1000_mng_host_if_write - Writes to the manageability host interface 900 * @hw: pointer to the HW structure 901 * @buffer: pointer to the host interface buffer 902 * @length: size of the buffer 903 * @offset: location in the buffer to write to 904 * @sum: sum of the data (not checksum) 905 * 906 * This function writes the buffer content at the offset given on the host if. 907 * It also does alignment considerations to do the writes in most efficient 908 * way. Also fills up the sum of the buffer in *buffer parameter. 909 **/ 910 s32 e1000_mng_host_if_write(struct e1000_hw *hw, u8 *buffer, u16 length, 911 u16 offset, u8 *sum) 912 { 913 return e1000_mng_host_if_write_generic(hw, buffer, length, offset, sum); 914 } 915 916 /** 917 * e1000_mng_write_cmd_header - Writes manageability command header 918 * @hw: pointer to the HW structure 919 * @hdr: pointer to the host interface command header 920 * 921 * Writes the command header after does the checksum calculation. 922 **/ 923 s32 e1000_mng_write_cmd_header(struct e1000_hw *hw, 924 struct e1000_host_mng_command_header *hdr) 925 { 926 return e1000_mng_write_cmd_header_generic(hw, hdr); 927 } 928 929 /** 930 * e1000_mng_enable_host_if - Checks host interface is enabled 931 * @hw: pointer to the HW structure 932 * 933 * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND 934 * 935 * This function checks whether the HOST IF is enabled for command operation 936 * and also checks whether the previous command is completed. It busy waits 937 * in case of previous command is not completed. 938 **/ 939 s32 e1000_mng_enable_host_if(struct e1000_hw *hw) 940 { 941 return e1000_mng_enable_host_if_generic(hw); 942 } 943 944 /** 945 * e1000_set_obff_timer - Set Optimized Buffer Flush/Fill timer 946 * @hw: pointer to the HW structure 947 * @itr: u32 indicating itr value 948 * 949 * Set the OBFF timer based on the given interrupt rate. 950 **/ 951 s32 e1000_set_obff_timer(struct e1000_hw *hw, u32 itr) 952 { 953 if (hw->mac.ops.set_obff_timer) 954 return hw->mac.ops.set_obff_timer(hw, itr); 955 956 return E1000_SUCCESS; 957 } 958 959 /** 960 * e1000_check_reset_block - Verifies PHY can be reset 961 * @hw: pointer to the HW structure 962 * 963 * Checks if the PHY is in a state that can be reset or if manageability 964 * has it tied up. This is a function pointer entry point called by drivers. 965 **/ 966 s32 e1000_check_reset_block(struct e1000_hw *hw) 967 { 968 if (hw->phy.ops.check_reset_block) 969 return hw->phy.ops.check_reset_block(hw); 970 971 return E1000_SUCCESS; 972 } 973 974 /** 975 * e1000_read_phy_reg - Reads PHY register 976 * @hw: pointer to the HW structure 977 * @offset: the register to read 978 * @data: the buffer to store the 16-bit read. 979 * 980 * Reads the PHY register and returns the value in data. 981 * This is a function pointer entry point called by drivers. 982 **/ 983 s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data) 984 { 985 if (hw->phy.ops.read_reg) 986 return hw->phy.ops.read_reg(hw, offset, data); 987 988 return E1000_SUCCESS; 989 } 990 991 /** 992 * e1000_write_phy_reg - Writes PHY register 993 * @hw: pointer to the HW structure 994 * @offset: the register to write 995 * @data: the value to write. 996 * 997 * Writes the PHY register at offset with the value in data. 998 * This is a function pointer entry point called by drivers. 999 **/ 1000 s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data) 1001 { 1002 if (hw->phy.ops.write_reg) 1003 return hw->phy.ops.write_reg(hw, offset, data); 1004 1005 return E1000_SUCCESS; 1006 } 1007 1008 /** 1009 * e1000_release_phy - Generic release PHY 1010 * @hw: pointer to the HW structure 1011 * 1012 * Return if silicon family does not require a semaphore when accessing the 1013 * PHY. 1014 **/ 1015 void e1000_release_phy(struct e1000_hw *hw) 1016 { 1017 if (hw->phy.ops.release) 1018 hw->phy.ops.release(hw); 1019 } 1020 1021 /** 1022 * e1000_acquire_phy - Generic acquire PHY 1023 * @hw: pointer to the HW structure 1024 * 1025 * Return success if silicon family does not require a semaphore when 1026 * accessing the PHY. 1027 **/ 1028 s32 e1000_acquire_phy(struct e1000_hw *hw) 1029 { 1030 if (hw->phy.ops.acquire) 1031 return hw->phy.ops.acquire(hw); 1032 1033 return E1000_SUCCESS; 1034 } 1035 1036 /** 1037 * e1000_cfg_on_link_up - Configure PHY upon link up 1038 * @hw: pointer to the HW structure 1039 **/ 1040 s32 e1000_cfg_on_link_up(struct e1000_hw *hw) 1041 { 1042 if (hw->phy.ops.cfg_on_link_up) 1043 return hw->phy.ops.cfg_on_link_up(hw); 1044 1045 return E1000_SUCCESS; 1046 } 1047 1048 /** 1049 * e1000_read_kmrn_reg - Reads register using Kumeran interface 1050 * @hw: pointer to the HW structure 1051 * @offset: the register to read 1052 * @data: the location to store the 16-bit value read. 1053 * 1054 * Reads a register out of the Kumeran interface. Currently no func pointer 1055 * exists and all implementations are handled in the generic version of 1056 * this function. 1057 **/ 1058 s32 e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) 1059 { 1060 return e1000_read_kmrn_reg_generic(hw, offset, data); 1061 } 1062 1063 /** 1064 * e1000_write_kmrn_reg - Writes register using Kumeran interface 1065 * @hw: pointer to the HW structure 1066 * @offset: the register to write 1067 * @data: the value to write. 1068 * 1069 * Writes a register to the Kumeran interface. Currently no func pointer 1070 * exists and all implementations are handled in the generic version of 1071 * this function. 1072 **/ 1073 s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) 1074 { 1075 return e1000_write_kmrn_reg_generic(hw, offset, data); 1076 } 1077 1078 /** 1079 * e1000_get_cable_length - Retrieves cable length estimation 1080 * @hw: pointer to the HW structure 1081 * 1082 * This function estimates the cable length and stores them in 1083 * hw->phy.min_length and hw->phy.max_length. This is a function pointer 1084 * entry point called by drivers. 1085 **/ 1086 s32 e1000_get_cable_length(struct e1000_hw *hw) 1087 { 1088 if (hw->phy.ops.get_cable_length) 1089 return hw->phy.ops.get_cable_length(hw); 1090 1091 return E1000_SUCCESS; 1092 } 1093 1094 /** 1095 * e1000_get_phy_info - Retrieves PHY information from registers 1096 * @hw: pointer to the HW structure 1097 * 1098 * This function gets some information from various PHY registers and 1099 * populates hw->phy values with it. This is a function pointer entry 1100 * point called by drivers. 1101 **/ 1102 s32 e1000_get_phy_info(struct e1000_hw *hw) 1103 { 1104 if (hw->phy.ops.get_info) 1105 return hw->phy.ops.get_info(hw); 1106 1107 return E1000_SUCCESS; 1108 } 1109 1110 /** 1111 * e1000_phy_hw_reset - Hard PHY reset 1112 * @hw: pointer to the HW structure 1113 * 1114 * Performs a hard PHY reset. This is a function pointer entry point called 1115 * by drivers. 1116 **/ 1117 s32 e1000_phy_hw_reset(struct e1000_hw *hw) 1118 { 1119 if (hw->phy.ops.reset) 1120 return hw->phy.ops.reset(hw); 1121 1122 return E1000_SUCCESS; 1123 } 1124 1125 /** 1126 * e1000_phy_commit - Soft PHY reset 1127 * @hw: pointer to the HW structure 1128 * 1129 * Performs a soft PHY reset on those that apply. This is a function pointer 1130 * entry point called by drivers. 1131 **/ 1132 s32 e1000_phy_commit(struct e1000_hw *hw) 1133 { 1134 if (hw->phy.ops.commit) 1135 return hw->phy.ops.commit(hw); 1136 1137 return E1000_SUCCESS; 1138 } 1139 1140 /** 1141 * e1000_set_d0_lplu_state - Sets low power link up state for D0 1142 * @hw: pointer to the HW structure 1143 * @active: boolean used to enable/disable lplu 1144 * 1145 * Success returns 0, Failure returns 1 1146 * 1147 * The low power link up (lplu) state is set to the power management level D0 1148 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D0 1149 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU 1150 * is used during Dx states where the power conservation is most important. 1151 * During driver activity, SmartSpeed should be enabled so performance is 1152 * maintained. This is a function pointer entry point called by drivers. 1153 **/ 1154 s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active) 1155 { 1156 if (hw->phy.ops.set_d0_lplu_state) 1157 return hw->phy.ops.set_d0_lplu_state(hw, active); 1158 1159 return E1000_SUCCESS; 1160 } 1161 1162 /** 1163 * e1000_set_d3_lplu_state - Sets low power link up state for D3 1164 * @hw: pointer to the HW structure 1165 * @active: boolean used to enable/disable lplu 1166 * 1167 * Success returns 0, Failure returns 1 1168 * 1169 * The low power link up (lplu) state is set to the power management level D3 1170 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D3 1171 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU 1172 * is used during Dx states where the power conservation is most important. 1173 * During driver activity, SmartSpeed should be enabled so performance is 1174 * maintained. This is a function pointer entry point called by drivers. 1175 **/ 1176 s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active) 1177 { 1178 if (hw->phy.ops.set_d3_lplu_state) 1179 return hw->phy.ops.set_d3_lplu_state(hw, active); 1180 1181 return E1000_SUCCESS; 1182 } 1183 1184 /** 1185 * e1000_read_mac_addr - Reads MAC address 1186 * @hw: pointer to the HW structure 1187 * 1188 * Reads the MAC address out of the adapter and stores it in the HW structure. 1189 * Currently no func pointer exists and all implementations are handled in the 1190 * generic version of this function. 1191 **/ 1192 s32 e1000_read_mac_addr(struct e1000_hw *hw) 1193 { 1194 if (hw->mac.ops.read_mac_addr) 1195 return hw->mac.ops.read_mac_addr(hw); 1196 1197 return e1000_read_mac_addr_generic(hw); 1198 } 1199 1200 /** 1201 * e1000_read_pba_string - Read device part number string 1202 * @hw: pointer to the HW structure 1203 * @pba_num: pointer to device part number 1204 * @pba_num_size: size of part number buffer 1205 * 1206 * Reads the product board assembly (PBA) number from the EEPROM and stores 1207 * the value in pba_num. 1208 * Currently no func pointer exists and all implementations are handled in the 1209 * generic version of this function. 1210 **/ 1211 s32 e1000_read_pba_string(struct e1000_hw *hw, u8 *pba_num, u32 pba_num_size) 1212 { 1213 return e1000_read_pba_string_generic(hw, pba_num, pba_num_size); 1214 } 1215 1216 /** 1217 * e1000_read_pba_length - Read device part number string length 1218 * @hw: pointer to the HW structure 1219 * @pba_num_size: size of part number buffer 1220 * 1221 * Reads the product board assembly (PBA) number length from the EEPROM and 1222 * stores the value in pba_num. 1223 * Currently no func pointer exists and all implementations are handled in the 1224 * generic version of this function. 1225 **/ 1226 s32 e1000_read_pba_length(struct e1000_hw *hw, u32 *pba_num_size) 1227 { 1228 return e1000_read_pba_length_generic(hw, pba_num_size); 1229 } 1230 1231 /** 1232 * e1000_read_pba_num - Read device part number 1233 * @hw: pointer to the HW structure 1234 * @pba_num: pointer to device part number 1235 * 1236 * Reads the product board assembly (PBA) number from the EEPROM and stores 1237 * the value in pba_num. 1238 * Currently no func pointer exists and all implementations are handled in the 1239 * generic version of this function. 1240 **/ 1241 s32 e1000_read_pba_num(struct e1000_hw *hw, u32 *pba_num) 1242 { 1243 return e1000_read_pba_num_generic(hw, pba_num); 1244 } 1245 1246 /** 1247 * e1000_validate_nvm_checksum - Verifies NVM (EEPROM) checksum 1248 * @hw: pointer to the HW structure 1249 * 1250 * Validates the NVM checksum is correct. This is a function pointer entry 1251 * point called by drivers. 1252 **/ 1253 s32 e1000_validate_nvm_checksum(struct e1000_hw *hw) 1254 { 1255 if (hw->nvm.ops.validate) 1256 return hw->nvm.ops.validate(hw); 1257 1258 return -E1000_ERR_CONFIG; 1259 } 1260 1261 /** 1262 * e1000_update_nvm_checksum - Updates NVM (EEPROM) checksum 1263 * @hw: pointer to the HW structure 1264 * 1265 * Updates the NVM checksum. Currently no func pointer exists and all 1266 * implementations are handled in the generic version of this function. 1267 **/ 1268 s32 e1000_update_nvm_checksum(struct e1000_hw *hw) 1269 { 1270 if (hw->nvm.ops.update) 1271 return hw->nvm.ops.update(hw); 1272 1273 return -E1000_ERR_CONFIG; 1274 } 1275 1276 /** 1277 * e1000_reload_nvm - Reloads EEPROM 1278 * @hw: pointer to the HW structure 1279 * 1280 * Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the 1281 * extended control register. 1282 **/ 1283 void e1000_reload_nvm(struct e1000_hw *hw) 1284 { 1285 if (hw->nvm.ops.reload) 1286 hw->nvm.ops.reload(hw); 1287 } 1288 1289 /** 1290 * e1000_read_nvm - Reads NVM (EEPROM) 1291 * @hw: pointer to the HW structure 1292 * @offset: the word offset to read 1293 * @words: number of 16-bit words to read 1294 * @data: pointer to the properly sized buffer for the data. 1295 * 1296 * Reads 16-bit chunks of data from the NVM (EEPROM). This is a function 1297 * pointer entry point called by drivers. 1298 **/ 1299 s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) 1300 { 1301 if (hw->nvm.ops.read) 1302 return hw->nvm.ops.read(hw, offset, words, data); 1303 1304 return -E1000_ERR_CONFIG; 1305 } 1306 1307 /** 1308 * e1000_write_nvm - Writes to NVM (EEPROM) 1309 * @hw: pointer to the HW structure 1310 * @offset: the word offset to read 1311 * @words: number of 16-bit words to write 1312 * @data: pointer to the properly sized buffer for the data. 1313 * 1314 * Writes 16-bit chunks of data to the NVM (EEPROM). This is a function 1315 * pointer entry point called by drivers. 1316 **/ 1317 s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) 1318 { 1319 if (hw->nvm.ops.write) 1320 return hw->nvm.ops.write(hw, offset, words, data); 1321 1322 return E1000_SUCCESS; 1323 } 1324 1325 /** 1326 * e1000_write_8bit_ctrl_reg - Writes 8bit Control register 1327 * @hw: pointer to the HW structure 1328 * @reg: 32bit register offset 1329 * @offset: the register to write 1330 * @data: the value to write. 1331 * 1332 * Writes the PHY register at offset with the value in data. 1333 * This is a function pointer entry point called by drivers. 1334 **/ 1335 s32 e1000_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg, u32 offset, 1336 u8 data) 1337 { 1338 return e1000_write_8bit_ctrl_reg_generic(hw, reg, offset, data); 1339 } 1340 1341 /** 1342 * e1000_power_up_phy - Restores link in case of PHY power down 1343 * @hw: pointer to the HW structure 1344 * 1345 * The phy may be powered down to save power, to turn off link when the 1346 * driver is unloaded, or wake on lan is not enabled (among others). 1347 **/ 1348 void e1000_power_up_phy(struct e1000_hw *hw) 1349 { 1350 if (hw->phy.ops.power_up) 1351 hw->phy.ops.power_up(hw); 1352 1353 e1000_setup_link(hw); 1354 } 1355 1356 /** 1357 * e1000_power_down_phy - Power down PHY 1358 * @hw: pointer to the HW structure 1359 * 1360 * The phy may be powered down to save power, to turn off link when the 1361 * driver is unloaded, or wake on lan is not enabled (among others). 1362 **/ 1363 void e1000_power_down_phy(struct e1000_hw *hw) 1364 { 1365 if (hw->phy.ops.power_down) 1366 hw->phy.ops.power_down(hw); 1367 } 1368 1369 /** 1370 * e1000_power_up_fiber_serdes_link - Power up serdes link 1371 * @hw: pointer to the HW structure 1372 * 1373 * Power on the optics and PCS. 1374 **/ 1375 void e1000_power_up_fiber_serdes_link(struct e1000_hw *hw) 1376 { 1377 if (hw->mac.ops.power_up_serdes) 1378 hw->mac.ops.power_up_serdes(hw); 1379 } 1380 1381 /** 1382 * e1000_shutdown_fiber_serdes_link - Remove link during power down 1383 * @hw: pointer to the HW structure 1384 * 1385 * Shutdown the optics and PCS on driver unload. 1386 **/ 1387 void e1000_shutdown_fiber_serdes_link(struct e1000_hw *hw) 1388 { 1389 if (hw->mac.ops.shutdown_serdes) 1390 hw->mac.ops.shutdown_serdes(hw); 1391 } 1392