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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;
116 * e1000_set_mac_type - Sets MAC type
117 * @hw: pointer to the HW structure
119 * This function sets the mac type of the adapter based on the
120 * device ID stored in the hw structure.
121 * MUST BE FIRST FUNCTION CALLED (explicitly or through
122 * e1000_setup_init_funcs()).
124 s32 e1000_set_mac_type(struct e1000_hw *hw)
126 struct e1000_mac_info *mac = &hw->mac;
127 s32 ret_val = E1000_SUCCESS;
129 DEBUGFUNC("e1000_set_mac_type");
131 switch (hw->device_id) {
132 case E1000_DEV_ID_82542:
133 mac->type = e1000_82542;
135 case E1000_DEV_ID_82543GC_FIBER:
136 case E1000_DEV_ID_82543GC_COPPER:
137 mac->type = e1000_82543;
139 case E1000_DEV_ID_82544EI_COPPER:
140 case E1000_DEV_ID_82544EI_FIBER:
141 case E1000_DEV_ID_82544GC_COPPER:
142 case E1000_DEV_ID_82544GC_LOM:
143 mac->type = e1000_82544;
145 case E1000_DEV_ID_82540EM:
146 case E1000_DEV_ID_82540EM_LOM:
147 case E1000_DEV_ID_82540EP:
148 case E1000_DEV_ID_82540EP_LOM:
149 case E1000_DEV_ID_82540EP_LP:
150 mac->type = e1000_82540;
152 case E1000_DEV_ID_82545EM_COPPER:
153 case E1000_DEV_ID_82545EM_FIBER:
154 mac->type = e1000_82545;
156 case E1000_DEV_ID_82545GM_COPPER:
157 case E1000_DEV_ID_82545GM_FIBER:
158 case E1000_DEV_ID_82545GM_SERDES:
159 mac->type = e1000_82545_rev_3;
161 case E1000_DEV_ID_82546EB_COPPER:
162 case E1000_DEV_ID_82546EB_FIBER:
163 case E1000_DEV_ID_82546EB_QUAD_COPPER:
164 mac->type = e1000_82546;
166 case E1000_DEV_ID_82546GB_COPPER:
167 case E1000_DEV_ID_82546GB_FIBER:
168 case E1000_DEV_ID_82546GB_SERDES:
169 case E1000_DEV_ID_82546GB_PCIE:
170 case E1000_DEV_ID_82546GB_QUAD_COPPER:
171 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
172 mac->type = e1000_82546_rev_3;
174 case E1000_DEV_ID_82541EI:
175 case E1000_DEV_ID_82541EI_MOBILE:
176 case E1000_DEV_ID_82541ER_LOM:
177 mac->type = e1000_82541;
179 case E1000_DEV_ID_82541ER:
180 case E1000_DEV_ID_82541GI:
181 case E1000_DEV_ID_82541GI_LF:
182 case E1000_DEV_ID_82541GI_MOBILE:
183 mac->type = e1000_82541_rev_2;
185 case E1000_DEV_ID_82547EI:
186 case E1000_DEV_ID_82547EI_MOBILE:
187 mac->type = e1000_82547;
189 case E1000_DEV_ID_82547GI:
190 mac->type = e1000_82547_rev_2;
192 case E1000_DEV_ID_82571EB_COPPER:
193 case E1000_DEV_ID_82571EB_FIBER:
194 case E1000_DEV_ID_82571EB_SERDES:
195 case E1000_DEV_ID_82571EB_SERDES_DUAL:
196 case E1000_DEV_ID_82571EB_SERDES_QUAD:
197 case E1000_DEV_ID_82571EB_QUAD_COPPER:
198 case E1000_DEV_ID_82571PT_QUAD_COPPER:
199 case E1000_DEV_ID_82571EB_QUAD_FIBER:
200 case E1000_DEV_ID_82571EB_QUAD_COPPER_LP:
201 mac->type = e1000_82571;
203 case E1000_DEV_ID_82572EI:
204 case E1000_DEV_ID_82572EI_COPPER:
205 case E1000_DEV_ID_82572EI_FIBER:
206 case E1000_DEV_ID_82572EI_SERDES:
207 mac->type = e1000_82572;
209 case E1000_DEV_ID_82573E:
210 case E1000_DEV_ID_82573E_IAMT:
211 case E1000_DEV_ID_82573L:
212 mac->type = e1000_82573;
214 case E1000_DEV_ID_82574L:
215 mac->type = e1000_82574;
217 case E1000_DEV_ID_80003ES2LAN_COPPER_DPT:
218 case E1000_DEV_ID_80003ES2LAN_SERDES_DPT:
219 case E1000_DEV_ID_80003ES2LAN_COPPER_SPT:
220 case E1000_DEV_ID_80003ES2LAN_SERDES_SPT:
221 mac->type = e1000_80003es2lan;
223 case E1000_DEV_ID_ICH8_IFE:
224 case E1000_DEV_ID_ICH8_IFE_GT:
225 case E1000_DEV_ID_ICH8_IFE_G:
226 case E1000_DEV_ID_ICH8_IGP_M:
227 case E1000_DEV_ID_ICH8_IGP_M_AMT:
228 case E1000_DEV_ID_ICH8_IGP_AMT:
229 case E1000_DEV_ID_ICH8_IGP_C:
230 mac->type = e1000_ich8lan;
232 case E1000_DEV_ID_ICH9_IFE:
233 case E1000_DEV_ID_ICH9_IFE_GT:
234 case E1000_DEV_ID_ICH9_IFE_G:
235 case E1000_DEV_ID_ICH9_IGP_M:
236 case E1000_DEV_ID_ICH9_IGP_M_AMT:
237 case E1000_DEV_ID_ICH9_IGP_M_V:
238 case E1000_DEV_ID_ICH9_IGP_AMT:
239 case E1000_DEV_ID_ICH9_BM:
240 case E1000_DEV_ID_ICH9_IGP_C:
241 case E1000_DEV_ID_ICH10_R_BM_LM:
242 case E1000_DEV_ID_ICH10_R_BM_LF:
243 case E1000_DEV_ID_ICH10_R_BM_V:
244 mac->type = e1000_ich9lan;
246 case E1000_DEV_ID_ICH10_D_BM_LM:
247 case E1000_DEV_ID_ICH10_D_BM_LF:
248 mac->type = e1000_ich10lan;
250 case E1000_DEV_ID_82575EB_COPPER:
251 case E1000_DEV_ID_82575EB_FIBER_SERDES:
252 case E1000_DEV_ID_82575GB_QUAD_COPPER:
253 mac->type = e1000_82575;
255 case E1000_DEV_ID_82576:
256 case E1000_DEV_ID_82576_FIBER:
257 case E1000_DEV_ID_82576_SERDES:
258 case E1000_DEV_ID_82576_QUAD_COPPER:
259 mac->type = e1000_82576;
262 /* Should never have loaded on this device */
263 ret_val = -E1000_ERR_MAC_INIT;
271 * e1000_setup_init_funcs - Initializes function pointers
272 * @hw: pointer to the HW structure
273 * @init_device: TRUE will initialize the rest of the function pointers
274 * getting the device ready for use. FALSE will only set
275 * MAC type and the function pointers for the other init
276 * functions. Passing FALSE will not generate any hardware
279 * This function must be called by a driver in order to use the rest
280 * of the 'shared' code files. Called by drivers only.
282 s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device)
286 /* Can't do much good without knowing the MAC type. */
287 ret_val = e1000_set_mac_type(hw);
289 DEBUGOUT("ERROR: MAC type could not be set properly.\n");
294 DEBUGOUT("ERROR: Registers not mapped\n");
295 ret_val = -E1000_ERR_CONFIG;
300 * Init function pointers to generic implementations. We do this first
301 * allowing a driver module to override it afterward.
303 e1000_init_mac_ops_generic(hw);
304 e1000_init_phy_ops_generic(hw);
305 e1000_init_nvm_ops_generic(hw);
308 * Set up the init function pointers. These are functions within the
309 * adapter family file that sets up function pointers for the rest of
310 * the functions in that family.
312 switch (hw->mac.type) {
314 e1000_init_function_pointers_82542(hw);
318 e1000_init_function_pointers_82543(hw);
322 case e1000_82545_rev_3:
324 case e1000_82546_rev_3:
325 e1000_init_function_pointers_82540(hw);
328 case e1000_82541_rev_2:
330 case e1000_82547_rev_2:
331 e1000_init_function_pointers_82541(hw);
337 e1000_init_function_pointers_82571(hw);
339 case e1000_80003es2lan:
340 e1000_init_function_pointers_80003es2lan(hw);
345 e1000_init_function_pointers_ich8lan(hw);
349 e1000_init_function_pointers_82575(hw);
352 DEBUGOUT("Hardware not supported\n");
353 ret_val = -E1000_ERR_CONFIG;
358 * Initialize the rest of the function pointers. These require some
359 * register reads/writes in some cases.
361 if (!(ret_val) && init_device) {
362 ret_val = e1000_init_mac_params(hw);
366 ret_val = e1000_init_nvm_params(hw);
370 ret_val = e1000_init_phy_params(hw);
381 * e1000_get_bus_info - Obtain bus information for adapter
382 * @hw: pointer to the HW structure
384 * This will obtain information about the HW bus for which the
385 * adapter is attached and stores it in the hw structure. This is a
386 * function pointer entry point called by drivers.
388 s32 e1000_get_bus_info(struct e1000_hw *hw)
390 if (hw->mac.ops.get_bus_info)
391 return hw->mac.ops.get_bus_info(hw);
393 return E1000_SUCCESS;
397 * e1000_clear_vfta - Clear VLAN filter table
398 * @hw: pointer to the HW structure
400 * This clears the VLAN filter table on the adapter. This is a function
401 * pointer entry point called by drivers.
403 void e1000_clear_vfta(struct e1000_hw *hw)
405 if (hw->mac.ops.clear_vfta)
406 hw->mac.ops.clear_vfta(hw);
410 * e1000_write_vfta - Write value to VLAN filter table
411 * @hw: pointer to the HW structure
412 * @offset: the 32-bit offset in which to write the value to.
413 * @value: the 32-bit value to write at location offset.
415 * This writes a 32-bit value to a 32-bit offset in the VLAN filter
416 * table. This is a function pointer entry point called by drivers.
418 void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
420 if (hw->mac.ops.write_vfta)
421 hw->mac.ops.write_vfta(hw, offset, value);
425 * e1000_update_mc_addr_list - Update Multicast addresses
426 * @hw: pointer to the HW structure
427 * @mc_addr_list: array of multicast addresses to program
428 * @mc_addr_count: number of multicast addresses to program
429 * @rar_used_count: the first RAR register free to program
430 * @rar_count: total number of supported Receive Address Registers
432 * Updates the Receive Address Registers and Multicast Table Array.
433 * The caller must have a packed mc_addr_list of multicast addresses.
434 * The parameter rar_count will usually be hw->mac.rar_entry_count
435 * unless there are workarounds that change this. Currently no func pointer
436 * exists and all implementations are handled in the generic version of this
439 void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
440 u32 mc_addr_count, u32 rar_used_count,
443 if (hw->mac.ops.update_mc_addr_list)
444 hw->mac.ops.update_mc_addr_list(hw,
452 * e1000_force_mac_fc - Force MAC flow control
453 * @hw: pointer to the HW structure
455 * Force the MAC's flow control settings. Currently no func pointer exists
456 * and all implementations are handled in the generic version of this
459 s32 e1000_force_mac_fc(struct e1000_hw *hw)
461 return e1000_force_mac_fc_generic(hw);
465 * e1000_check_for_link - Check/Store link connection
466 * @hw: pointer to the HW structure
468 * This checks the link condition of the adapter and stores the
469 * results in the hw->mac structure. This is a function pointer entry
470 * point called by drivers.
472 s32 e1000_check_for_link(struct e1000_hw *hw)
474 if (hw->mac.ops.check_for_link)
475 return hw->mac.ops.check_for_link(hw);
477 return -E1000_ERR_CONFIG;
481 * e1000_check_mng_mode - Check management mode
482 * @hw: pointer to the HW structure
484 * This checks if the adapter has manageability enabled.
485 * This is a function pointer entry point called by drivers.
487 bool e1000_check_mng_mode(struct e1000_hw *hw)
489 if (hw->mac.ops.check_mng_mode)
490 return hw->mac.ops.check_mng_mode(hw);
496 * e1000_mng_write_dhcp_info - Writes DHCP info to host interface
497 * @hw: pointer to the HW structure
498 * @buffer: pointer to the host interface
499 * @length: size of the buffer
501 * Writes the DHCP information to the host interface.
503 s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length)
505 return e1000_mng_write_dhcp_info_generic(hw, buffer, length);
509 * e1000_reset_hw - Reset hardware
510 * @hw: pointer to the HW structure
512 * This resets the hardware into a known state. This is a function pointer
513 * entry point called by drivers.
515 s32 e1000_reset_hw(struct e1000_hw *hw)
517 if (hw->mac.ops.reset_hw)
518 return hw->mac.ops.reset_hw(hw);
520 return -E1000_ERR_CONFIG;
524 * e1000_init_hw - Initialize hardware
525 * @hw: pointer to the HW structure
527 * This inits the hardware readying it for operation. This is a function
528 * pointer entry point called by drivers.
530 s32 e1000_init_hw(struct e1000_hw *hw)
532 if (hw->mac.ops.init_hw)
533 return hw->mac.ops.init_hw(hw);
535 return -E1000_ERR_CONFIG;
539 * e1000_setup_link - Configures link and flow control
540 * @hw: pointer to the HW structure
542 * This configures link and flow control settings for the adapter. This
543 * is a function pointer entry point called by drivers. While modules can
544 * also call this, they probably call their own version of this function.
546 s32 e1000_setup_link(struct e1000_hw *hw)
548 if (hw->mac.ops.setup_link)
549 return hw->mac.ops.setup_link(hw);
551 return -E1000_ERR_CONFIG;
555 * e1000_get_speed_and_duplex - Returns current speed and duplex
556 * @hw: pointer to the HW structure
557 * @speed: pointer to a 16-bit value to store the speed
558 * @duplex: pointer to a 16-bit value to store the duplex.
560 * This returns the speed and duplex of the adapter in the two 'out'
561 * variables passed in. This is a function pointer entry point called
564 s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex)
566 if (hw->mac.ops.get_link_up_info)
567 return hw->mac.ops.get_link_up_info(hw, speed, duplex);
569 return -E1000_ERR_CONFIG;
573 * e1000_setup_led - Configures SW controllable LED
574 * @hw: pointer to the HW structure
576 * This prepares the SW controllable LED for use and saves the current state
577 * of the LED so it can be later restored. This is a function pointer entry
578 * point called by drivers.
580 s32 e1000_setup_led(struct e1000_hw *hw)
582 if (hw->mac.ops.setup_led)
583 return hw->mac.ops.setup_led(hw);
585 return E1000_SUCCESS;
589 * e1000_cleanup_led - Restores SW controllable LED
590 * @hw: pointer to the HW structure
592 * This restores the SW controllable LED to the value saved off by
593 * e1000_setup_led. This is a function pointer entry point called by drivers.
595 s32 e1000_cleanup_led(struct e1000_hw *hw)
597 if (hw->mac.ops.cleanup_led)
598 return hw->mac.ops.cleanup_led(hw);
600 return E1000_SUCCESS;
604 * e1000_blink_led - Blink SW controllable LED
605 * @hw: pointer to the HW structure
607 * This starts the adapter LED blinking. Request the LED to be setup first
608 * and cleaned up after. This is a function pointer entry point called by
611 s32 e1000_blink_led(struct e1000_hw *hw)
613 if (hw->mac.ops.blink_led)
614 return hw->mac.ops.blink_led(hw);
616 return E1000_SUCCESS;
620 * e1000_led_on - Turn on SW controllable LED
621 * @hw: pointer to the HW structure
623 * Turns the SW defined LED on. This is a function pointer entry point
626 s32 e1000_led_on(struct e1000_hw *hw)
628 if (hw->mac.ops.led_on)
629 return hw->mac.ops.led_on(hw);
631 return E1000_SUCCESS;
635 * e1000_led_off - Turn off SW controllable LED
636 * @hw: pointer to the HW structure
638 * Turns the SW defined LED off. This is a function pointer entry point
641 s32 e1000_led_off(struct e1000_hw *hw)
643 if (hw->mac.ops.led_off)
644 return hw->mac.ops.led_off(hw);
646 return E1000_SUCCESS;
650 * e1000_reset_adaptive - Reset adaptive IFS
651 * @hw: pointer to the HW structure
653 * Resets the adaptive IFS. Currently no func pointer exists and all
654 * implementations are handled in the generic version of this function.
656 void e1000_reset_adaptive(struct e1000_hw *hw)
658 e1000_reset_adaptive_generic(hw);
662 * e1000_update_adaptive - Update adaptive IFS
663 * @hw: pointer to the HW structure
665 * Updates adapter IFS. Currently no func pointer exists and all
666 * implementations are handled in the generic version of this function.
668 void e1000_update_adaptive(struct e1000_hw *hw)
670 e1000_update_adaptive_generic(hw);
674 * e1000_disable_pcie_master - Disable PCI-Express master access
675 * @hw: pointer to the HW structure
677 * Disables PCI-Express master access and verifies there are no pending
678 * requests. Currently no func pointer exists and all implementations are
679 * handled in the generic version of this function.
681 s32 e1000_disable_pcie_master(struct e1000_hw *hw)
683 return e1000_disable_pcie_master_generic(hw);
687 * e1000_config_collision_dist - Configure collision distance
688 * @hw: pointer to the HW structure
690 * Configures the collision distance to the default value and is used
693 void e1000_config_collision_dist(struct e1000_hw *hw)
695 if (hw->mac.ops.config_collision_dist)
696 hw->mac.ops.config_collision_dist(hw);
700 * e1000_rar_set - Sets a receive address register
701 * @hw: pointer to the HW structure
702 * @addr: address to set the RAR to
703 * @index: the RAR to set
705 * Sets a Receive Address Register (RAR) to the specified address.
707 void e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
709 if (hw->mac.ops.rar_set)
710 hw->mac.ops.rar_set(hw, addr, index);
714 * e1000_validate_mdi_setting - Ensures valid MDI/MDIX SW state
715 * @hw: pointer to the HW structure
717 * Ensures that the MDI/MDIX SW state is valid.
719 s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
721 if (hw->mac.ops.validate_mdi_setting)
722 return hw->mac.ops.validate_mdi_setting(hw);
724 return E1000_SUCCESS;
728 * e1000_mta_set - Sets multicast table bit
729 * @hw: pointer to the HW structure
730 * @hash_value: Multicast hash value.
732 * This sets the bit in the multicast table corresponding to the
733 * hash value. This is a function pointer entry point called by drivers.
735 void e1000_mta_set(struct e1000_hw *hw, u32 hash_value)
737 if (hw->mac.ops.mta_set)
738 hw->mac.ops.mta_set(hw, hash_value);
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_num - Read device part number
1083 * @hw: pointer to the HW structure
1084 * @pba_num: pointer to device part number
1086 * Reads the product board assembly (PBA) number from the EEPROM and stores
1087 * the value in pba_num.
1088 * Currently no func pointer exists and all implementations are handled in the
1089 * generic version of this function.
1091 s32 e1000_read_pba_num(struct e1000_hw *hw, u32 *pba_num)
1093 return e1000_read_pba_num_generic(hw, pba_num);
1097 * e1000_validate_nvm_checksum - Verifies NVM (EEPROM) checksum
1098 * @hw: pointer to the HW structure
1100 * Validates the NVM checksum is correct. This is a function pointer entry
1101 * point called by drivers.
1103 s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
1105 if (hw->nvm.ops.validate)
1106 return hw->nvm.ops.validate(hw);
1108 return -E1000_ERR_CONFIG;
1112 * e1000_update_nvm_checksum - Updates NVM (EEPROM) checksum
1113 * @hw: pointer to the HW structure
1115 * Updates the NVM checksum. Currently no func pointer exists and all
1116 * implementations are handled in the generic version of this function.
1118 s32 e1000_update_nvm_checksum(struct e1000_hw *hw)
1120 if (hw->nvm.ops.update)
1121 return hw->nvm.ops.update(hw);
1123 return -E1000_ERR_CONFIG;
1127 * e1000_reload_nvm - Reloads EEPROM
1128 * @hw: pointer to the HW structure
1130 * Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the
1131 * extended control register.
1133 void e1000_reload_nvm(struct e1000_hw *hw)
1135 if (hw->nvm.ops.reload)
1136 hw->nvm.ops.reload(hw);
1140 * e1000_read_nvm - Reads NVM (EEPROM)
1141 * @hw: pointer to the HW structure
1142 * @offset: the word offset to read
1143 * @words: number of 16-bit words to read
1144 * @data: pointer to the properly sized buffer for the data.
1146 * Reads 16-bit chunks of data from the NVM (EEPROM). This is a function
1147 * pointer entry point called by drivers.
1149 s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
1151 if (hw->nvm.ops.read)
1152 return hw->nvm.ops.read(hw, offset, words, data);
1154 return -E1000_ERR_CONFIG;
1158 * e1000_write_nvm - Writes to NVM (EEPROM)
1159 * @hw: pointer to the HW structure
1160 * @offset: the word offset to read
1161 * @words: number of 16-bit words to write
1162 * @data: pointer to the properly sized buffer for the data.
1164 * Writes 16-bit chunks of data to the NVM (EEPROM). This is a function
1165 * pointer entry point called by drivers.
1167 s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
1169 if (hw->nvm.ops.write)
1170 return hw->nvm.ops.write(hw, offset, words, data);
1172 return E1000_SUCCESS;
1176 * e1000_write_8bit_ctrl_reg - Writes 8bit Control register
1177 * @hw: pointer to the HW structure
1178 * @reg: 32bit register offset
1179 * @offset: the register to write
1180 * @data: the value to write.
1182 * Writes the PHY register at offset with the value in data.
1183 * This is a function pointer entry point called by drivers.
1185 s32 e1000_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg, u32 offset,
1188 return e1000_write_8bit_ctrl_reg_generic(hw, reg, offset, data);
1192 * e1000_power_up_phy - Restores link in case of PHY power down
1193 * @hw: pointer to the HW structure
1195 * The phy may be powered down to save power, to turn off link when the
1196 * driver is unloaded, or wake on lan is not enabled (among others).
1198 void e1000_power_up_phy(struct e1000_hw *hw)
1200 if (hw->phy.ops.power_up)
1201 hw->phy.ops.power_up(hw);
1203 e1000_setup_link(hw);
1207 * e1000_power_down_phy - Power down PHY
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_down_phy(struct e1000_hw *hw)
1215 if (hw->phy.ops.power_down)
1216 hw->phy.ops.power_down(hw);
1220 * e1000_shutdown_fiber_serdes_link - Remove link during power down
1221 * @hw: pointer to the HW structure
1223 * Shutdown the optics and PCS on driver unload.
1225 void e1000_shutdown_fiber_serdes_link(struct e1000_hw *hw)
1227 if (hw->mac.ops.shutdown_serdes)
1228 hw->mac.ops.shutdown_serdes(hw);