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32 ******************************************************************************/
35 #include "e1000_api.h"
38 * e1000_init_mac_params - Initialize MAC function pointers
39 * @hw: pointer to the HW structure
41 * This function initializes the function pointers for the MAC
42 * set of functions. Called by drivers or by e1000_setup_init_funcs.
44 s32 e1000_init_mac_params(struct e1000_hw *hw)
46 s32 ret_val = E1000_SUCCESS;
48 if (hw->mac.ops.init_params) {
49 ret_val = hw->mac.ops.init_params(hw);
51 DEBUGOUT("MAC Initialization Error\n");
55 DEBUGOUT("mac.init_mac_params was NULL\n");
56 ret_val = -E1000_ERR_CONFIG;
64 * e1000_init_nvm_params - Initialize NVM function pointers
65 * @hw: pointer to the HW structure
67 * This function initializes the function pointers for the NVM
68 * set of functions. Called by drivers or by e1000_setup_init_funcs.
70 s32 e1000_init_nvm_params(struct e1000_hw *hw)
72 s32 ret_val = E1000_SUCCESS;
74 if (hw->nvm.ops.init_params) {
75 ret_val = hw->nvm.ops.init_params(hw);
77 DEBUGOUT("NVM Initialization Error\n");
81 DEBUGOUT("nvm.init_nvm_params was NULL\n");
82 ret_val = -E1000_ERR_CONFIG;
90 * e1000_init_phy_params - Initialize PHY function pointers
91 * @hw: pointer to the HW structure
93 * This function initializes the function pointers for the PHY
94 * set of functions. Called by drivers or by e1000_setup_init_funcs.
96 s32 e1000_init_phy_params(struct e1000_hw *hw)
98 s32 ret_val = E1000_SUCCESS;
100 if (hw->phy.ops.init_params) {
101 ret_val = hw->phy.ops.init_params(hw);
103 DEBUGOUT("PHY Initialization Error\n");
107 DEBUGOUT("phy.init_phy_params was NULL\n");
108 ret_val = -E1000_ERR_CONFIG;
117 * e1000_set_mac_type - Sets MAC type
118 * @hw: pointer to the HW structure
120 * This function sets the mac type of the adapter based on the
121 * device ID stored in the hw structure.
122 * MUST BE FIRST FUNCTION CALLED (explicitly or through
123 * e1000_setup_init_funcs()).
125 s32 e1000_set_mac_type(struct e1000_hw *hw)
127 struct e1000_mac_info *mac = &hw->mac;
128 s32 ret_val = E1000_SUCCESS;
130 DEBUGFUNC("e1000_set_mac_type");
132 switch (hw->device_id) {
133 #ifndef NO_82542_SUPPORT
134 case E1000_DEV_ID_82542:
135 mac->type = e1000_82542;
138 case E1000_DEV_ID_82543GC_FIBER:
139 case E1000_DEV_ID_82543GC_COPPER:
140 mac->type = e1000_82543;
142 case E1000_DEV_ID_82544EI_COPPER:
143 case E1000_DEV_ID_82544EI_FIBER:
144 case E1000_DEV_ID_82544GC_COPPER:
145 case E1000_DEV_ID_82544GC_LOM:
146 mac->type = e1000_82544;
148 case E1000_DEV_ID_82540EM:
149 case E1000_DEV_ID_82540EM_LOM:
150 case E1000_DEV_ID_82540EP:
151 case E1000_DEV_ID_82540EP_LOM:
152 case E1000_DEV_ID_82540EP_LP:
153 mac->type = e1000_82540;
155 case E1000_DEV_ID_82545EM_COPPER:
156 case E1000_DEV_ID_82545EM_FIBER:
157 mac->type = e1000_82545;
159 case E1000_DEV_ID_82545GM_COPPER:
160 case E1000_DEV_ID_82545GM_FIBER:
161 case E1000_DEV_ID_82545GM_SERDES:
162 mac->type = e1000_82545_rev_3;
164 case E1000_DEV_ID_82546EB_COPPER:
165 case E1000_DEV_ID_82546EB_FIBER:
166 case E1000_DEV_ID_82546EB_QUAD_COPPER:
167 mac->type = e1000_82546;
169 case E1000_DEV_ID_82546GB_COPPER:
170 case E1000_DEV_ID_82546GB_FIBER:
171 case E1000_DEV_ID_82546GB_SERDES:
172 case E1000_DEV_ID_82546GB_PCIE:
173 case E1000_DEV_ID_82546GB_QUAD_COPPER:
174 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
175 mac->type = e1000_82546_rev_3;
177 case E1000_DEV_ID_82541EI:
178 case E1000_DEV_ID_82541EI_MOBILE:
179 case E1000_DEV_ID_82541ER_LOM:
180 mac->type = e1000_82541;
182 case E1000_DEV_ID_82541ER:
183 case E1000_DEV_ID_82541GI:
184 case E1000_DEV_ID_82541GI_LF:
185 case E1000_DEV_ID_82541GI_MOBILE:
186 mac->type = e1000_82541_rev_2;
188 case E1000_DEV_ID_82547EI:
189 case E1000_DEV_ID_82547EI_MOBILE:
190 mac->type = e1000_82547;
192 case E1000_DEV_ID_82547GI:
193 mac->type = e1000_82547_rev_2;
195 case E1000_DEV_ID_82571EB_COPPER:
196 case E1000_DEV_ID_82571EB_FIBER:
197 case E1000_DEV_ID_82571EB_SERDES:
198 case E1000_DEV_ID_82571EB_SERDES_DUAL:
199 case E1000_DEV_ID_82571EB_SERDES_QUAD:
200 case E1000_DEV_ID_82571EB_QUAD_COPPER:
201 case E1000_DEV_ID_82571PT_QUAD_COPPER:
202 case E1000_DEV_ID_82571EB_QUAD_FIBER:
203 case E1000_DEV_ID_82571EB_QUAD_COPPER_LP:
204 mac->type = e1000_82571;
206 case E1000_DEV_ID_82572EI:
207 case E1000_DEV_ID_82572EI_COPPER:
208 case E1000_DEV_ID_82572EI_FIBER:
209 case E1000_DEV_ID_82572EI_SERDES:
210 mac->type = e1000_82572;
212 case E1000_DEV_ID_82573E:
213 case E1000_DEV_ID_82573E_IAMT:
214 case E1000_DEV_ID_82573L:
215 mac->type = e1000_82573;
217 case E1000_DEV_ID_82574L:
218 case E1000_DEV_ID_82574LA:
219 mac->type = e1000_82574;
221 case E1000_DEV_ID_82583V:
222 mac->type = e1000_82583;
224 case E1000_DEV_ID_80003ES2LAN_COPPER_DPT:
225 case E1000_DEV_ID_80003ES2LAN_SERDES_DPT:
226 case E1000_DEV_ID_80003ES2LAN_COPPER_SPT:
227 case E1000_DEV_ID_80003ES2LAN_SERDES_SPT:
228 mac->type = e1000_80003es2lan;
230 case E1000_DEV_ID_ICH8_IFE:
231 case E1000_DEV_ID_ICH8_IFE_GT:
232 case E1000_DEV_ID_ICH8_IFE_G:
233 case E1000_DEV_ID_ICH8_IGP_M:
234 case E1000_DEV_ID_ICH8_IGP_M_AMT:
235 case E1000_DEV_ID_ICH8_IGP_AMT:
236 case E1000_DEV_ID_ICH8_IGP_C:
237 case E1000_DEV_ID_ICH8_82567V_3:
238 mac->type = e1000_ich8lan;
240 case E1000_DEV_ID_ICH9_IFE:
241 case E1000_DEV_ID_ICH9_IFE_GT:
242 case E1000_DEV_ID_ICH9_IFE_G:
243 case E1000_DEV_ID_ICH9_IGP_M:
244 case E1000_DEV_ID_ICH9_IGP_M_AMT:
245 case E1000_DEV_ID_ICH9_IGP_M_V:
246 case E1000_DEV_ID_ICH9_IGP_AMT:
247 case E1000_DEV_ID_ICH9_BM:
248 case E1000_DEV_ID_ICH9_IGP_C:
249 case E1000_DEV_ID_ICH10_R_BM_LM:
250 case E1000_DEV_ID_ICH10_R_BM_LF:
251 case E1000_DEV_ID_ICH10_R_BM_V:
252 mac->type = e1000_ich9lan;
254 case E1000_DEV_ID_ICH10_D_BM_LM:
255 case E1000_DEV_ID_ICH10_D_BM_LF:
256 case E1000_DEV_ID_ICH10_D_BM_V:
257 case E1000_DEV_ID_ICH10_HANKSVILLE:
258 mac->type = e1000_ich10lan;
260 case E1000_DEV_ID_PCH_D_HV_DM:
261 case E1000_DEV_ID_PCH_D_HV_DC:
262 case E1000_DEV_ID_PCH_M_HV_LM:
263 case E1000_DEV_ID_PCH_M_HV_LC:
264 mac->type = e1000_pchlan;
266 case E1000_DEV_ID_PCH2_LV_LM:
267 case E1000_DEV_ID_PCH2_LV_V:
268 mac->type = e1000_pch2lan;
271 /* Should never have loaded on this device */
272 ret_val = -E1000_ERR_MAC_INIT;
280 * e1000_setup_init_funcs - Initializes function pointers
281 * @hw: pointer to the HW structure
282 * @init_device: TRUE will initialize the rest of the function pointers
283 * getting the device ready for use. FALSE will only set
284 * MAC type and the function pointers for the other init
285 * functions. Passing FALSE will not generate any hardware
288 * This function must be called by a driver in order to use the rest
289 * of the 'shared' code files. Called by drivers only.
291 s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device)
295 /* Can't do much good without knowing the MAC type. */
296 ret_val = e1000_set_mac_type(hw);
298 DEBUGOUT("ERROR: MAC type could not be set properly.\n");
303 DEBUGOUT("ERROR: Registers not mapped\n");
304 ret_val = -E1000_ERR_CONFIG;
309 * Init function pointers to generic implementations. We do this first
310 * allowing a driver module to override it afterward.
312 e1000_init_mac_ops_generic(hw);
313 e1000_init_phy_ops_generic(hw);
314 e1000_init_nvm_ops_generic(hw);
317 * Set up the init function pointers. These are functions within the
318 * adapter family file that sets up function pointers for the rest of
319 * the functions in that family.
321 switch (hw->mac.type) {
322 #ifndef NO_82542_SUPPORT
324 e1000_init_function_pointers_82542(hw);
329 e1000_init_function_pointers_82543(hw);
333 case e1000_82545_rev_3:
335 case e1000_82546_rev_3:
336 e1000_init_function_pointers_82540(hw);
339 case e1000_82541_rev_2:
341 case e1000_82547_rev_2:
342 e1000_init_function_pointers_82541(hw);
349 e1000_init_function_pointers_82571(hw);
351 case e1000_80003es2lan:
352 e1000_init_function_pointers_80003es2lan(hw);
359 e1000_init_function_pointers_ich8lan(hw);
362 DEBUGOUT("Hardware not supported\n");
363 ret_val = -E1000_ERR_CONFIG;
368 * Initialize the rest of the function pointers. These require some
369 * register reads/writes in some cases.
371 if (!(ret_val) && init_device) {
372 ret_val = e1000_init_mac_params(hw);
376 ret_val = e1000_init_nvm_params(hw);
380 ret_val = e1000_init_phy_params(hw);
390 * e1000_get_bus_info - Obtain bus information for adapter
391 * @hw: pointer to the HW structure
393 * This will obtain information about the HW bus for which the
394 * adapter is attached and stores it in the hw structure. This is a
395 * function pointer entry point called by drivers.
397 s32 e1000_get_bus_info(struct e1000_hw *hw)
399 if (hw->mac.ops.get_bus_info)
400 return hw->mac.ops.get_bus_info(hw);
402 return E1000_SUCCESS;
406 * e1000_clear_vfta - Clear VLAN filter table
407 * @hw: pointer to the HW structure
409 * This clears the VLAN filter table on the adapter. This is a function
410 * pointer entry point called by drivers.
412 void e1000_clear_vfta(struct e1000_hw *hw)
414 if (hw->mac.ops.clear_vfta)
415 hw->mac.ops.clear_vfta(hw);
419 * e1000_write_vfta - Write value to VLAN filter table
420 * @hw: pointer to the HW structure
421 * @offset: the 32-bit offset in which to write the value to.
422 * @value: the 32-bit value to write at location offset.
424 * This writes a 32-bit value to a 32-bit offset in the VLAN filter
425 * table. This is a function pointer entry point called by drivers.
427 void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
429 if (hw->mac.ops.write_vfta)
430 hw->mac.ops.write_vfta(hw, offset, value);
434 * e1000_update_mc_addr_list - Update Multicast addresses
435 * @hw: pointer to the HW structure
436 * @mc_addr_list: array of multicast addresses to program
437 * @mc_addr_count: number of multicast addresses to program
439 * Updates the Multicast Table Array.
440 * The caller must have a packed mc_addr_list of multicast addresses.
442 void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
445 if (hw->mac.ops.update_mc_addr_list)
446 hw->mac.ops.update_mc_addr_list(hw, mc_addr_list,
451 * e1000_force_mac_fc - Force MAC flow control
452 * @hw: pointer to the HW structure
454 * Force the MAC's flow control settings. Currently no func pointer exists
455 * and all implementations are handled in the generic version of this
458 s32 e1000_force_mac_fc(struct e1000_hw *hw)
460 return e1000_force_mac_fc_generic(hw);
464 * e1000_check_for_link - Check/Store link connection
465 * @hw: pointer to the HW structure
467 * This checks the link condition of the adapter and stores the
468 * results in the hw->mac structure. This is a function pointer entry
469 * point called by drivers.
471 s32 e1000_check_for_link(struct e1000_hw *hw)
473 if (hw->mac.ops.check_for_link)
474 return hw->mac.ops.check_for_link(hw);
476 return -E1000_ERR_CONFIG;
480 * e1000_check_mng_mode - Check management mode
481 * @hw: pointer to the HW structure
483 * This checks if the adapter has manageability enabled.
484 * This is a function pointer entry point called by drivers.
486 bool e1000_check_mng_mode(struct e1000_hw *hw)
488 if (hw->mac.ops.check_mng_mode)
489 return hw->mac.ops.check_mng_mode(hw);
495 * e1000_mng_write_dhcp_info - Writes DHCP info to host interface
496 * @hw: pointer to the HW structure
497 * @buffer: pointer to the host interface
498 * @length: size of the buffer
500 * Writes the DHCP information to the host interface.
502 s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length)
504 return e1000_mng_write_dhcp_info_generic(hw, buffer, length);
508 * e1000_reset_hw - Reset hardware
509 * @hw: pointer to the HW structure
511 * This resets the hardware into a known state. This is a function pointer
512 * entry point called by drivers.
514 s32 e1000_reset_hw(struct e1000_hw *hw)
516 if (hw->mac.ops.reset_hw)
517 return hw->mac.ops.reset_hw(hw);
519 return -E1000_ERR_CONFIG;
523 * e1000_init_hw - Initialize hardware
524 * @hw: pointer to the HW structure
526 * This inits the hardware readying it for operation. This is a function
527 * pointer entry point called by drivers.
529 s32 e1000_init_hw(struct e1000_hw *hw)
531 if (hw->mac.ops.init_hw)
532 return hw->mac.ops.init_hw(hw);
534 return -E1000_ERR_CONFIG;
538 * e1000_setup_link - Configures link and flow control
539 * @hw: pointer to the HW structure
541 * This configures link and flow control settings for the adapter. This
542 * is a function pointer entry point called by drivers. While modules can
543 * also call this, they probably call their own version of this function.
545 s32 e1000_setup_link(struct e1000_hw *hw)
547 if (hw->mac.ops.setup_link)
548 return hw->mac.ops.setup_link(hw);
550 return -E1000_ERR_CONFIG;
554 * e1000_get_speed_and_duplex - Returns current speed and duplex
555 * @hw: pointer to the HW structure
556 * @speed: pointer to a 16-bit value to store the speed
557 * @duplex: pointer to a 16-bit value to store the duplex.
559 * This returns the speed and duplex of the adapter in the two 'out'
560 * variables passed in. This is a function pointer entry point called
563 s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex)
565 if (hw->mac.ops.get_link_up_info)
566 return hw->mac.ops.get_link_up_info(hw, speed, duplex);
568 return -E1000_ERR_CONFIG;
572 * e1000_setup_led - Configures SW controllable LED
573 * @hw: pointer to the HW structure
575 * This prepares the SW controllable LED for use and saves the current state
576 * of the LED so it can be later restored. This is a function pointer entry
577 * point called by drivers.
579 s32 e1000_setup_led(struct e1000_hw *hw)
581 if (hw->mac.ops.setup_led)
582 return hw->mac.ops.setup_led(hw);
584 return E1000_SUCCESS;
588 * e1000_cleanup_led - Restores SW controllable LED
589 * @hw: pointer to the HW structure
591 * This restores the SW controllable LED to the value saved off by
592 * e1000_setup_led. This is a function pointer entry point called by drivers.
594 s32 e1000_cleanup_led(struct e1000_hw *hw)
596 if (hw->mac.ops.cleanup_led)
597 return hw->mac.ops.cleanup_led(hw);
599 return E1000_SUCCESS;
603 * e1000_blink_led - Blink SW controllable LED
604 * @hw: pointer to the HW structure
606 * This starts the adapter LED blinking. Request the LED to be setup first
607 * and cleaned up after. This is a function pointer entry point called by
610 s32 e1000_blink_led(struct e1000_hw *hw)
612 if (hw->mac.ops.blink_led)
613 return hw->mac.ops.blink_led(hw);
615 return E1000_SUCCESS;
619 * e1000_id_led_init - store LED configurations in SW
620 * @hw: pointer to the HW structure
622 * Initializes the LED config in SW. This is a function pointer entry point
625 s32 e1000_id_led_init(struct e1000_hw *hw)
627 if (hw->mac.ops.id_led_init)
628 return hw->mac.ops.id_led_init(hw);
630 return E1000_SUCCESS;
634 * e1000_led_on - Turn on SW controllable LED
635 * @hw: pointer to the HW structure
637 * Turns the SW defined LED on. This is a function pointer entry point
640 s32 e1000_led_on(struct e1000_hw *hw)
642 if (hw->mac.ops.led_on)
643 return hw->mac.ops.led_on(hw);
645 return E1000_SUCCESS;
649 * e1000_led_off - Turn off SW controllable LED
650 * @hw: pointer to the HW structure
652 * Turns the SW defined LED off. This is a function pointer entry point
655 s32 e1000_led_off(struct e1000_hw *hw)
657 if (hw->mac.ops.led_off)
658 return hw->mac.ops.led_off(hw);
660 return E1000_SUCCESS;
664 * e1000_reset_adaptive - Reset adaptive IFS
665 * @hw: pointer to the HW structure
667 * Resets the adaptive IFS. Currently no func pointer exists and all
668 * implementations are handled in the generic version of this function.
670 void e1000_reset_adaptive(struct e1000_hw *hw)
672 e1000_reset_adaptive_generic(hw);
676 * e1000_update_adaptive - Update adaptive IFS
677 * @hw: pointer to the HW structure
679 * Updates adapter IFS. Currently no func pointer exists and all
680 * implementations are handled in the generic version of this function.
682 void e1000_update_adaptive(struct e1000_hw *hw)
684 e1000_update_adaptive_generic(hw);
688 * e1000_disable_pcie_master - Disable PCI-Express master access
689 * @hw: pointer to the HW structure
691 * Disables PCI-Express master access and verifies there are no pending
692 * requests. Currently no func pointer exists and all implementations are
693 * handled in the generic version of this function.
695 s32 e1000_disable_pcie_master(struct e1000_hw *hw)
697 return e1000_disable_pcie_master_generic(hw);
701 * e1000_config_collision_dist - Configure collision distance
702 * @hw: pointer to the HW structure
704 * Configures the collision distance to the default value and is used
707 void e1000_config_collision_dist(struct e1000_hw *hw)
709 if (hw->mac.ops.config_collision_dist)
710 hw->mac.ops.config_collision_dist(hw);
714 * e1000_rar_set - Sets a receive address register
715 * @hw: pointer to the HW structure
716 * @addr: address to set the RAR to
717 * @index: the RAR to set
719 * Sets a Receive Address Register (RAR) to the specified address.
721 void e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
723 if (hw->mac.ops.rar_set)
724 hw->mac.ops.rar_set(hw, addr, index);
728 * e1000_validate_mdi_setting - Ensures valid MDI/MDIX SW state
729 * @hw: pointer to the HW structure
731 * Ensures that the MDI/MDIX SW state is valid.
733 s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
735 if (hw->mac.ops.validate_mdi_setting)
736 return hw->mac.ops.validate_mdi_setting(hw);
738 return E1000_SUCCESS;
742 * e1000_hash_mc_addr - Determines address location in multicast table
743 * @hw: pointer to the HW structure
744 * @mc_addr: Multicast address to hash.
746 * This hashes an address to determine its location in the multicast
747 * table. Currently no func pointer exists and all implementations
748 * are handled in the generic version of this function.
750 u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
752 return e1000_hash_mc_addr_generic(hw, mc_addr);
756 * e1000_enable_tx_pkt_filtering - Enable packet filtering on TX
757 * @hw: pointer to the HW structure
759 * Enables packet filtering on transmit packets if manageability is enabled
760 * and host interface is enabled.
761 * Currently no func pointer exists and all implementations are handled in the
762 * generic version of this function.
764 bool e1000_enable_tx_pkt_filtering(struct e1000_hw *hw)
766 return e1000_enable_tx_pkt_filtering_generic(hw);
770 * e1000_mng_host_if_write - Writes to the manageability host interface
771 * @hw: pointer to the HW structure
772 * @buffer: pointer to the host interface buffer
773 * @length: size of the buffer
774 * @offset: location in the buffer to write to
775 * @sum: sum of the data (not checksum)
777 * This function writes the buffer content at the offset given on the host if.
778 * It also does alignment considerations to do the writes in most efficient
779 * way. Also fills up the sum of the buffer in *buffer parameter.
781 s32 e1000_mng_host_if_write(struct e1000_hw * hw, u8 *buffer, u16 length,
784 if (hw->mac.ops.mng_host_if_write)
785 return hw->mac.ops.mng_host_if_write(hw, buffer, length,
788 return E1000_NOT_IMPLEMENTED;
792 * e1000_mng_write_cmd_header - Writes manageability command header
793 * @hw: pointer to the HW structure
794 * @hdr: pointer to the host interface command header
796 * Writes the command header after does the checksum calculation.
798 s32 e1000_mng_write_cmd_header(struct e1000_hw *hw,
799 struct e1000_host_mng_command_header *hdr)
801 if (hw->mac.ops.mng_write_cmd_header)
802 return hw->mac.ops.mng_write_cmd_header(hw, hdr);
804 return E1000_NOT_IMPLEMENTED;
808 * e1000_mng_enable_host_if - Checks host interface is enabled
809 * @hw: pointer to the HW structure
811 * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND
813 * This function checks whether the HOST IF is enabled for command operation
814 * and also checks whether the previous command is completed. It busy waits
815 * in case of previous command is not completed.
817 s32 e1000_mng_enable_host_if(struct e1000_hw * hw)
819 if (hw->mac.ops.mng_enable_host_if)
820 return hw->mac.ops.mng_enable_host_if(hw);
822 return E1000_NOT_IMPLEMENTED;
826 * e1000_wait_autoneg - Waits for autonegotiation completion
827 * @hw: pointer to the HW structure
829 * Waits for autoneg to complete. Currently no func pointer exists and all
830 * implementations are handled in the generic version of this function.
832 s32 e1000_wait_autoneg(struct e1000_hw *hw)
834 if (hw->mac.ops.wait_autoneg)
835 return hw->mac.ops.wait_autoneg(hw);
837 return E1000_SUCCESS;
841 * e1000_check_reset_block - Verifies PHY can be reset
842 * @hw: pointer to the HW structure
844 * Checks if the PHY is in a state that can be reset or if manageability
845 * has it tied up. This is a function pointer entry point called by drivers.
847 s32 e1000_check_reset_block(struct e1000_hw *hw)
849 if (hw->phy.ops.check_reset_block)
850 return hw->phy.ops.check_reset_block(hw);
852 return E1000_SUCCESS;
856 * e1000_read_phy_reg - Reads PHY register
857 * @hw: pointer to the HW structure
858 * @offset: the register to read
859 * @data: the buffer to store the 16-bit read.
861 * Reads the PHY register and returns the value in data.
862 * This is a function pointer entry point called by drivers.
864 s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data)
866 if (hw->phy.ops.read_reg)
867 return hw->phy.ops.read_reg(hw, offset, data);
869 return E1000_SUCCESS;
873 * e1000_write_phy_reg - Writes PHY register
874 * @hw: pointer to the HW structure
875 * @offset: the register to write
876 * @data: the value to write.
878 * Writes the PHY register at offset with the value in data.
879 * This is a function pointer entry point called by drivers.
881 s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data)
883 if (hw->phy.ops.write_reg)
884 return hw->phy.ops.write_reg(hw, offset, data);
886 return E1000_SUCCESS;
890 * e1000_release_phy - Generic release PHY
891 * @hw: pointer to the HW structure
893 * Return if silicon family does not require a semaphore when accessing the
896 void e1000_release_phy(struct e1000_hw *hw)
898 if (hw->phy.ops.release)
899 hw->phy.ops.release(hw);
903 * e1000_acquire_phy - Generic acquire PHY
904 * @hw: pointer to the HW structure
906 * Return success if silicon family does not require a semaphore when
909 s32 e1000_acquire_phy(struct e1000_hw *hw)
911 if (hw->phy.ops.acquire)
912 return hw->phy.ops.acquire(hw);
914 return E1000_SUCCESS;
918 * e1000_cfg_on_link_up - Configure PHY upon link up
919 * @hw: pointer to the HW structure
921 s32 e1000_cfg_on_link_up(struct e1000_hw *hw)
923 if (hw->phy.ops.cfg_on_link_up)
924 return hw->phy.ops.cfg_on_link_up(hw);
926 return E1000_SUCCESS;
930 * e1000_read_kmrn_reg - Reads register using Kumeran interface
931 * @hw: pointer to the HW structure
932 * @offset: the register to read
933 * @data: the location to store the 16-bit value read.
935 * Reads a register out of the Kumeran interface. Currently no func pointer
936 * exists and all implementations are handled in the generic version of
939 s32 e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
941 return e1000_read_kmrn_reg_generic(hw, offset, data);
945 * e1000_write_kmrn_reg - Writes register using Kumeran interface
946 * @hw: pointer to the HW structure
947 * @offset: the register to write
948 * @data: the value to write.
950 * Writes a register to the Kumeran interface. Currently no func pointer
951 * exists and all implementations are handled in the generic version of
954 s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
956 return e1000_write_kmrn_reg_generic(hw, offset, data);
960 * e1000_get_cable_length - Retrieves cable length estimation
961 * @hw: pointer to the HW structure
963 * This function estimates the cable length and stores them in
964 * hw->phy.min_length and hw->phy.max_length. This is a function pointer
965 * entry point called by drivers.
967 s32 e1000_get_cable_length(struct e1000_hw *hw)
969 if (hw->phy.ops.get_cable_length)
970 return hw->phy.ops.get_cable_length(hw);
972 return E1000_SUCCESS;
976 * e1000_get_phy_info - Retrieves PHY information from registers
977 * @hw: pointer to the HW structure
979 * This function gets some information from various PHY registers and
980 * populates hw->phy values with it. This is a function pointer entry
981 * point called by drivers.
983 s32 e1000_get_phy_info(struct e1000_hw *hw)
985 if (hw->phy.ops.get_info)
986 return hw->phy.ops.get_info(hw);
988 return E1000_SUCCESS;
992 * e1000_phy_hw_reset - Hard PHY reset
993 * @hw: pointer to the HW structure
995 * Performs a hard PHY reset. This is a function pointer entry point called
998 s32 e1000_phy_hw_reset(struct e1000_hw *hw)
1000 if (hw->phy.ops.reset)
1001 return hw->phy.ops.reset(hw);
1003 return E1000_SUCCESS;
1007 * e1000_phy_commit - Soft PHY reset
1008 * @hw: pointer to the HW structure
1010 * Performs a soft PHY reset on those that apply. This is a function pointer
1011 * entry point called by drivers.
1013 s32 e1000_phy_commit(struct e1000_hw *hw)
1015 if (hw->phy.ops.commit)
1016 return hw->phy.ops.commit(hw);
1018 return E1000_SUCCESS;
1022 * e1000_set_d0_lplu_state - Sets low power link up state for D0
1023 * @hw: pointer to the HW structure
1024 * @active: boolean used to enable/disable lplu
1026 * Success returns 0, Failure returns 1
1028 * The low power link up (lplu) state is set to the power management level D0
1029 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D0
1030 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU
1031 * is used during Dx states where the power conservation is most important.
1032 * During driver activity, SmartSpeed should be enabled so performance is
1033 * maintained. This is a function pointer entry point called by drivers.
1035 s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active)
1037 if (hw->phy.ops.set_d0_lplu_state)
1038 return hw->phy.ops.set_d0_lplu_state(hw, active);
1040 return E1000_SUCCESS;
1044 * e1000_set_d3_lplu_state - Sets low power link up state for D3
1045 * @hw: pointer to the HW structure
1046 * @active: boolean used to enable/disable lplu
1048 * Success returns 0, Failure returns 1
1050 * The low power link up (lplu) state is set to the power management level D3
1051 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D3
1052 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU
1053 * is used during Dx states where the power conservation is most important.
1054 * During driver activity, SmartSpeed should be enabled so performance is
1055 * maintained. This is a function pointer entry point called by drivers.
1057 s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
1059 if (hw->phy.ops.set_d3_lplu_state)
1060 return hw->phy.ops.set_d3_lplu_state(hw, active);
1062 return E1000_SUCCESS;
1066 * e1000_read_mac_addr - Reads MAC address
1067 * @hw: pointer to the HW structure
1069 * Reads the MAC address out of the adapter and stores it in the HW structure.
1070 * Currently no func pointer exists and all implementations are handled in the
1071 * generic version of this function.
1073 s32 e1000_read_mac_addr(struct e1000_hw *hw)
1075 if (hw->mac.ops.read_mac_addr)
1076 return hw->mac.ops.read_mac_addr(hw);
1078 return e1000_read_mac_addr_generic(hw);
1082 * e1000_read_pba_string - Read device part number string
1083 * @hw: pointer to the HW structure
1084 * @pba_num: pointer to device part number
1085 * @pba_num_size: size of part number buffer
1087 * Reads the product board assembly (PBA) number from the EEPROM and stores
1088 * the value in pba_num.
1089 * Currently no func pointer exists and all implementations are handled in the
1090 * generic version of this function.
1092 s32 e1000_read_pba_string(struct e1000_hw *hw, u8 *pba_num, u32 pba_num_size)
1094 return e1000_read_pba_string_generic(hw, pba_num, pba_num_size);
1098 * e1000_read_pba_length - Read device part number string length
1099 * @hw: pointer to the HW structure
1100 * @pba_num_size: size of part number buffer
1102 * Reads the product board assembly (PBA) number length from the EEPROM and
1103 * stores the value in pba_num.
1104 * Currently no func pointer exists and all implementations are handled in the
1105 * generic version of this function.
1107 s32 e1000_read_pba_length(struct e1000_hw *hw, u32 *pba_num_size)
1109 return e1000_read_pba_length_generic(hw, pba_num_size);
1113 * e1000_read_pba_num - Read device part number
1114 * @hw: pointer to the HW structure
1115 * @pba_num: pointer to device part number
1117 * Reads the product board assembly (PBA) number from the EEPROM and stores
1118 * the value in pba_num.
1119 * Currently no func pointer exists and all implementations are handled in the
1120 * generic version of this function.
1122 s32 e1000_read_pba_num(struct e1000_hw *hw, u32 *pba_num)
1124 return e1000_read_pba_num_generic(hw, pba_num);
1128 * e1000_validate_nvm_checksum - Verifies NVM (EEPROM) checksum
1129 * @hw: pointer to the HW structure
1131 * Validates the NVM checksum is correct. This is a function pointer entry
1132 * point called by drivers.
1134 s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
1136 if (hw->nvm.ops.validate)
1137 return hw->nvm.ops.validate(hw);
1139 return -E1000_ERR_CONFIG;
1143 * e1000_update_nvm_checksum - Updates NVM (EEPROM) checksum
1144 * @hw: pointer to the HW structure
1146 * Updates the NVM checksum. Currently no func pointer exists and all
1147 * implementations are handled in the generic version of this function.
1149 s32 e1000_update_nvm_checksum(struct e1000_hw *hw)
1151 if (hw->nvm.ops.update)
1152 return hw->nvm.ops.update(hw);
1154 return -E1000_ERR_CONFIG;
1158 * e1000_reload_nvm - Reloads EEPROM
1159 * @hw: pointer to the HW structure
1161 * Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the
1162 * extended control register.
1164 void e1000_reload_nvm(struct e1000_hw *hw)
1166 if (hw->nvm.ops.reload)
1167 hw->nvm.ops.reload(hw);
1171 * e1000_read_nvm - Reads NVM (EEPROM)
1172 * @hw: pointer to the HW structure
1173 * @offset: the word offset to read
1174 * @words: number of 16-bit words to read
1175 * @data: pointer to the properly sized buffer for the data.
1177 * Reads 16-bit chunks of data from the NVM (EEPROM). This is a function
1178 * pointer entry point called by drivers.
1180 s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
1182 if (hw->nvm.ops.read)
1183 return hw->nvm.ops.read(hw, offset, words, data);
1185 return -E1000_ERR_CONFIG;
1189 * e1000_write_nvm - Writes to NVM (EEPROM)
1190 * @hw: pointer to the HW structure
1191 * @offset: the word offset to read
1192 * @words: number of 16-bit words to write
1193 * @data: pointer to the properly sized buffer for the data.
1195 * Writes 16-bit chunks of data to the NVM (EEPROM). This is a function
1196 * pointer entry point called by drivers.
1198 s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
1200 if (hw->nvm.ops.write)
1201 return hw->nvm.ops.write(hw, offset, words, data);
1203 return E1000_SUCCESS;
1207 * e1000_power_up_phy - Restores link in case of PHY power down
1208 * @hw: pointer to the HW structure
1210 * The phy may be powered down to save power, to turn off link when the
1211 * driver is unloaded, or wake on lan is not enabled (among others).
1213 void e1000_power_up_phy(struct e1000_hw *hw)
1215 if (hw->phy.ops.power_up)
1216 hw->phy.ops.power_up(hw);
1218 e1000_setup_link(hw);
1222 * e1000_power_down_phy - Power down PHY
1223 * @hw: pointer to the HW structure
1225 * The phy may be powered down to save power, to turn off link when the
1226 * driver is unloaded, or wake on lan is not enabled (among others).
1228 void e1000_power_down_phy(struct e1000_hw *hw)
1230 if (hw->phy.ops.power_down)
1231 hw->phy.ops.power_down(hw);