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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 #ifndef NO_82542_SUPPORT
133 case E1000_DEV_ID_82542:
134 mac->type = e1000_82542;
137 case E1000_DEV_ID_82543GC_FIBER:
138 case E1000_DEV_ID_82543GC_COPPER:
139 mac->type = e1000_82543;
141 case E1000_DEV_ID_82544EI_COPPER:
142 case E1000_DEV_ID_82544EI_FIBER:
143 case E1000_DEV_ID_82544GC_COPPER:
144 case E1000_DEV_ID_82544GC_LOM:
145 mac->type = e1000_82544;
147 case E1000_DEV_ID_82540EM:
148 case E1000_DEV_ID_82540EM_LOM:
149 case E1000_DEV_ID_82540EP:
150 case E1000_DEV_ID_82540EP_LOM:
151 case E1000_DEV_ID_82540EP_LP:
152 mac->type = e1000_82540;
154 case E1000_DEV_ID_82545EM_COPPER:
155 case E1000_DEV_ID_82545EM_FIBER:
156 mac->type = e1000_82545;
158 case E1000_DEV_ID_82545GM_COPPER:
159 case E1000_DEV_ID_82545GM_FIBER:
160 case E1000_DEV_ID_82545GM_SERDES:
161 mac->type = e1000_82545_rev_3;
163 case E1000_DEV_ID_82546EB_COPPER:
164 case E1000_DEV_ID_82546EB_FIBER:
165 case E1000_DEV_ID_82546EB_QUAD_COPPER:
166 mac->type = e1000_82546;
168 case E1000_DEV_ID_82546GB_COPPER:
169 case E1000_DEV_ID_82546GB_FIBER:
170 case E1000_DEV_ID_82546GB_SERDES:
171 case E1000_DEV_ID_82546GB_PCIE:
172 case E1000_DEV_ID_82546GB_QUAD_COPPER:
173 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
174 mac->type = e1000_82546_rev_3;
176 case E1000_DEV_ID_82541EI:
177 case E1000_DEV_ID_82541EI_MOBILE:
178 case E1000_DEV_ID_82541ER_LOM:
179 mac->type = e1000_82541;
181 case E1000_DEV_ID_82541ER:
182 case E1000_DEV_ID_82541GI:
183 case E1000_DEV_ID_82541GI_LF:
184 case E1000_DEV_ID_82541GI_MOBILE:
185 mac->type = e1000_82541_rev_2;
187 case E1000_DEV_ID_82547EI:
188 case E1000_DEV_ID_82547EI_MOBILE:
189 mac->type = e1000_82547;
191 case E1000_DEV_ID_82547GI:
192 mac->type = e1000_82547_rev_2;
194 case E1000_DEV_ID_82571EB_COPPER:
195 case E1000_DEV_ID_82571EB_FIBER:
196 case E1000_DEV_ID_82571EB_SERDES:
197 case E1000_DEV_ID_82571EB_SERDES_DUAL:
198 case E1000_DEV_ID_82571EB_SERDES_QUAD:
199 case E1000_DEV_ID_82571EB_QUAD_COPPER:
200 case E1000_DEV_ID_82571PT_QUAD_COPPER:
201 case E1000_DEV_ID_82571EB_QUAD_FIBER:
202 case E1000_DEV_ID_82571EB_QUAD_COPPER_LP:
203 mac->type = e1000_82571;
205 case E1000_DEV_ID_82572EI:
206 case E1000_DEV_ID_82572EI_COPPER:
207 case E1000_DEV_ID_82572EI_FIBER:
208 case E1000_DEV_ID_82572EI_SERDES:
209 mac->type = e1000_82572;
211 case E1000_DEV_ID_82573E:
212 case E1000_DEV_ID_82573E_IAMT:
213 case E1000_DEV_ID_82573L:
214 mac->type = e1000_82573;
216 case E1000_DEV_ID_82574L:
217 case E1000_DEV_ID_82574LA:
218 mac->type = e1000_82574;
220 case E1000_DEV_ID_82583V:
221 mac->type = e1000_82583;
223 case E1000_DEV_ID_80003ES2LAN_COPPER_DPT:
224 case E1000_DEV_ID_80003ES2LAN_SERDES_DPT:
225 case E1000_DEV_ID_80003ES2LAN_COPPER_SPT:
226 case E1000_DEV_ID_80003ES2LAN_SERDES_SPT:
227 mac->type = e1000_80003es2lan;
229 case E1000_DEV_ID_ICH8_IFE:
230 case E1000_DEV_ID_ICH8_IFE_GT:
231 case E1000_DEV_ID_ICH8_IFE_G:
232 case E1000_DEV_ID_ICH8_IGP_M:
233 case E1000_DEV_ID_ICH8_IGP_M_AMT:
234 case E1000_DEV_ID_ICH8_IGP_AMT:
235 case E1000_DEV_ID_ICH8_IGP_C:
236 case E1000_DEV_ID_ICH8_82567V_3:
237 mac->type = e1000_ich8lan;
239 case E1000_DEV_ID_ICH9_IFE:
240 case E1000_DEV_ID_ICH9_IFE_GT:
241 case E1000_DEV_ID_ICH9_IFE_G:
242 case E1000_DEV_ID_ICH9_IGP_M:
243 case E1000_DEV_ID_ICH9_IGP_M_AMT:
244 case E1000_DEV_ID_ICH9_IGP_M_V:
245 case E1000_DEV_ID_ICH9_IGP_AMT:
246 case E1000_DEV_ID_ICH9_BM:
247 case E1000_DEV_ID_ICH9_IGP_C:
248 case E1000_DEV_ID_ICH10_R_BM_LM:
249 case E1000_DEV_ID_ICH10_R_BM_LF:
250 case E1000_DEV_ID_ICH10_R_BM_V:
251 mac->type = e1000_ich9lan;
253 case E1000_DEV_ID_ICH10_D_BM_LM:
254 case E1000_DEV_ID_ICH10_D_BM_LF:
255 case E1000_DEV_ID_ICH10_D_BM_V:
256 mac->type = e1000_ich10lan;
258 case E1000_DEV_ID_PCH_D_HV_DM:
259 case E1000_DEV_ID_PCH_D_HV_DC:
260 case E1000_DEV_ID_PCH_M_HV_LM:
261 case E1000_DEV_ID_PCH_M_HV_LC:
262 mac->type = e1000_pchlan;
264 case E1000_DEV_ID_PCH2_LV_LM:
265 case E1000_DEV_ID_PCH2_LV_V:
266 mac->type = e1000_pch2lan;
269 /* Should never have loaded on this device */
270 ret_val = -E1000_ERR_MAC_INIT;
278 * e1000_setup_init_funcs - Initializes function pointers
279 * @hw: pointer to the HW structure
280 * @init_device: TRUE will initialize the rest of the function pointers
281 * getting the device ready for use. FALSE will only set
282 * MAC type and the function pointers for the other init
283 * functions. Passing FALSE will not generate any hardware
286 * This function must be called by a driver in order to use the rest
287 * of the 'shared' code files. Called by drivers only.
289 s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device)
293 /* Can't do much good without knowing the MAC type. */
294 ret_val = e1000_set_mac_type(hw);
296 DEBUGOUT("ERROR: MAC type could not be set properly.\n");
301 DEBUGOUT("ERROR: Registers not mapped\n");
302 ret_val = -E1000_ERR_CONFIG;
307 * Init function pointers to generic implementations. We do this first
308 * allowing a driver module to override it afterward.
310 e1000_init_mac_ops_generic(hw);
311 e1000_init_phy_ops_generic(hw);
312 e1000_init_nvm_ops_generic(hw);
315 * Set up the init function pointers. These are functions within the
316 * adapter family file that sets up function pointers for the rest of
317 * the functions in that family.
319 switch (hw->mac.type) {
320 #ifndef NO_82542_SUPPORT
322 e1000_init_function_pointers_82542(hw);
327 e1000_init_function_pointers_82543(hw);
331 case e1000_82545_rev_3:
333 case e1000_82546_rev_3:
334 e1000_init_function_pointers_82540(hw);
337 case e1000_82541_rev_2:
339 case e1000_82547_rev_2:
340 e1000_init_function_pointers_82541(hw);
347 e1000_init_function_pointers_82571(hw);
349 case e1000_80003es2lan:
350 e1000_init_function_pointers_80003es2lan(hw);
357 e1000_init_function_pointers_ich8lan(hw);
360 DEBUGOUT("Hardware not supported\n");
361 ret_val = -E1000_ERR_CONFIG;
366 * Initialize the rest of the function pointers. These require some
367 * register reads/writes in some cases.
369 if (!(ret_val) && init_device) {
370 ret_val = e1000_init_mac_params(hw);
374 ret_val = e1000_init_nvm_params(hw);
378 ret_val = e1000_init_phy_params(hw);
388 * e1000_get_bus_info - Obtain bus information for adapter
389 * @hw: pointer to the HW structure
391 * This will obtain information about the HW bus for which the
392 * adapter is attached and stores it in the hw structure. This is a
393 * function pointer entry point called by drivers.
395 s32 e1000_get_bus_info(struct e1000_hw *hw)
397 if (hw->mac.ops.get_bus_info)
398 return hw->mac.ops.get_bus_info(hw);
400 return E1000_SUCCESS;
404 * e1000_clear_vfta - Clear VLAN filter table
405 * @hw: pointer to the HW structure
407 * This clears the VLAN filter table on the adapter. This is a function
408 * pointer entry point called by drivers.
410 void e1000_clear_vfta(struct e1000_hw *hw)
412 if (hw->mac.ops.clear_vfta)
413 hw->mac.ops.clear_vfta(hw);
417 * e1000_write_vfta - Write value to VLAN filter table
418 * @hw: pointer to the HW structure
419 * @offset: the 32-bit offset in which to write the value to.
420 * @value: the 32-bit value to write at location offset.
422 * This writes a 32-bit value to a 32-bit offset in the VLAN filter
423 * table. This is a function pointer entry point called by drivers.
425 void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
427 if (hw->mac.ops.write_vfta)
428 hw->mac.ops.write_vfta(hw, offset, value);
432 * e1000_update_mc_addr_list - Update Multicast addresses
433 * @hw: pointer to the HW structure
434 * @mc_addr_list: array of multicast addresses to program
435 * @mc_addr_count: number of multicast addresses to program
437 * Updates the Multicast Table Array.
438 * The caller must have a packed mc_addr_list of multicast addresses.
440 void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
443 if (hw->mac.ops.update_mc_addr_list)
444 hw->mac.ops.update_mc_addr_list(hw, mc_addr_list,
449 * e1000_force_mac_fc - Force MAC flow control
450 * @hw: pointer to the HW structure
452 * Force the MAC's flow control settings. Currently no func pointer exists
453 * and all implementations are handled in the generic version of this
456 s32 e1000_force_mac_fc(struct e1000_hw *hw)
458 return e1000_force_mac_fc_generic(hw);
462 * e1000_check_for_link - Check/Store link connection
463 * @hw: pointer to the HW structure
465 * This checks the link condition of the adapter and stores the
466 * results in the hw->mac structure. This is a function pointer entry
467 * point called by drivers.
469 s32 e1000_check_for_link(struct e1000_hw *hw)
471 if (hw->mac.ops.check_for_link)
472 return hw->mac.ops.check_for_link(hw);
474 return -E1000_ERR_CONFIG;
478 * e1000_check_mng_mode - Check management mode
479 * @hw: pointer to the HW structure
481 * This checks if the adapter has manageability enabled.
482 * This is a function pointer entry point called by drivers.
484 bool e1000_check_mng_mode(struct e1000_hw *hw)
486 if (hw->mac.ops.check_mng_mode)
487 return hw->mac.ops.check_mng_mode(hw);
493 * e1000_mng_write_dhcp_info - Writes DHCP info to host interface
494 * @hw: pointer to the HW structure
495 * @buffer: pointer to the host interface
496 * @length: size of the buffer
498 * Writes the DHCP information to the host interface.
500 s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length)
502 return e1000_mng_write_dhcp_info_generic(hw, buffer, length);
506 * e1000_reset_hw - Reset hardware
507 * @hw: pointer to the HW structure
509 * This resets the hardware into a known state. This is a function pointer
510 * entry point called by drivers.
512 s32 e1000_reset_hw(struct e1000_hw *hw)
514 if (hw->mac.ops.reset_hw)
515 return hw->mac.ops.reset_hw(hw);
517 return -E1000_ERR_CONFIG;
521 * e1000_init_hw - Initialize hardware
522 * @hw: pointer to the HW structure
524 * This inits the hardware readying it for operation. This is a function
525 * pointer entry point called by drivers.
527 s32 e1000_init_hw(struct e1000_hw *hw)
529 if (hw->mac.ops.init_hw)
530 return hw->mac.ops.init_hw(hw);
532 return -E1000_ERR_CONFIG;
536 * e1000_setup_link - Configures link and flow control
537 * @hw: pointer to the HW structure
539 * This configures link and flow control settings for the adapter. This
540 * is a function pointer entry point called by drivers. While modules can
541 * also call this, they probably call their own version of this function.
543 s32 e1000_setup_link(struct e1000_hw *hw)
545 if (hw->mac.ops.setup_link)
546 return hw->mac.ops.setup_link(hw);
548 return -E1000_ERR_CONFIG;
552 * e1000_get_speed_and_duplex - Returns current speed and duplex
553 * @hw: pointer to the HW structure
554 * @speed: pointer to a 16-bit value to store the speed
555 * @duplex: pointer to a 16-bit value to store the duplex.
557 * This returns the speed and duplex of the adapter in the two 'out'
558 * variables passed in. This is a function pointer entry point called
561 s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex)
563 if (hw->mac.ops.get_link_up_info)
564 return hw->mac.ops.get_link_up_info(hw, speed, duplex);
566 return -E1000_ERR_CONFIG;
570 * e1000_setup_led - Configures SW controllable LED
571 * @hw: pointer to the HW structure
573 * This prepares the SW controllable LED for use and saves the current state
574 * of the LED so it can be later restored. This is a function pointer entry
575 * point called by drivers.
577 s32 e1000_setup_led(struct e1000_hw *hw)
579 if (hw->mac.ops.setup_led)
580 return hw->mac.ops.setup_led(hw);
582 return E1000_SUCCESS;
586 * e1000_cleanup_led - Restores SW controllable LED
587 * @hw: pointer to the HW structure
589 * This restores the SW controllable LED to the value saved off by
590 * e1000_setup_led. This is a function pointer entry point called by drivers.
592 s32 e1000_cleanup_led(struct e1000_hw *hw)
594 if (hw->mac.ops.cleanup_led)
595 return hw->mac.ops.cleanup_led(hw);
597 return E1000_SUCCESS;
601 * e1000_blink_led - Blink SW controllable LED
602 * @hw: pointer to the HW structure
604 * This starts the adapter LED blinking. Request the LED to be setup first
605 * and cleaned up after. This is a function pointer entry point called by
608 s32 e1000_blink_led(struct e1000_hw *hw)
610 if (hw->mac.ops.blink_led)
611 return hw->mac.ops.blink_led(hw);
613 return E1000_SUCCESS;
617 * e1000_id_led_init - store LED configurations in SW
618 * @hw: pointer to the HW structure
620 * Initializes the LED config in SW. This is a function pointer entry point
623 s32 e1000_id_led_init(struct e1000_hw *hw)
625 if (hw->mac.ops.id_led_init)
626 return hw->mac.ops.id_led_init(hw);
628 return E1000_SUCCESS;
632 * e1000_led_on - Turn on SW controllable LED
633 * @hw: pointer to the HW structure
635 * Turns the SW defined LED on. This is a function pointer entry point
638 s32 e1000_led_on(struct e1000_hw *hw)
640 if (hw->mac.ops.led_on)
641 return hw->mac.ops.led_on(hw);
643 return E1000_SUCCESS;
647 * e1000_led_off - Turn off SW controllable LED
648 * @hw: pointer to the HW structure
650 * Turns the SW defined LED off. This is a function pointer entry point
653 s32 e1000_led_off(struct e1000_hw *hw)
655 if (hw->mac.ops.led_off)
656 return hw->mac.ops.led_off(hw);
658 return E1000_SUCCESS;
662 * e1000_reset_adaptive - Reset adaptive IFS
663 * @hw: pointer to the HW structure
665 * Resets the adaptive IFS. Currently no func pointer exists and all
666 * implementations are handled in the generic version of this function.
668 void e1000_reset_adaptive(struct e1000_hw *hw)
670 e1000_reset_adaptive_generic(hw);
674 * e1000_update_adaptive - Update adaptive IFS
675 * @hw: pointer to the HW structure
677 * Updates adapter IFS. Currently no func pointer exists and all
678 * implementations are handled in the generic version of this function.
680 void e1000_update_adaptive(struct e1000_hw *hw)
682 e1000_update_adaptive_generic(hw);
686 * e1000_disable_pcie_master - Disable PCI-Express master access
687 * @hw: pointer to the HW structure
689 * Disables PCI-Express master access and verifies there are no pending
690 * requests. Currently no func pointer exists and all implementations are
691 * handled in the generic version of this function.
693 s32 e1000_disable_pcie_master(struct e1000_hw *hw)
695 return e1000_disable_pcie_master_generic(hw);
699 * e1000_config_collision_dist - Configure collision distance
700 * @hw: pointer to the HW structure
702 * Configures the collision distance to the default value and is used
705 void e1000_config_collision_dist(struct e1000_hw *hw)
707 if (hw->mac.ops.config_collision_dist)
708 hw->mac.ops.config_collision_dist(hw);
712 * e1000_rar_set - Sets a receive address register
713 * @hw: pointer to the HW structure
714 * @addr: address to set the RAR to
715 * @index: the RAR to set
717 * Sets a Receive Address Register (RAR) to the specified address.
719 void e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
721 if (hw->mac.ops.rar_set)
722 hw->mac.ops.rar_set(hw, addr, index);
726 * e1000_validate_mdi_setting - Ensures valid MDI/MDIX SW state
727 * @hw: pointer to the HW structure
729 * Ensures that the MDI/MDIX SW state is valid.
731 s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
733 if (hw->mac.ops.validate_mdi_setting)
734 return hw->mac.ops.validate_mdi_setting(hw);
736 return E1000_SUCCESS;
740 * e1000_hash_mc_addr - Determines address location in multicast table
741 * @hw: pointer to the HW structure
742 * @mc_addr: Multicast address to hash.
744 * This hashes an address to determine its location in the multicast
745 * table. Currently no func pointer exists and all implementations
746 * are handled in the generic version of this function.
748 u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
750 return e1000_hash_mc_addr_generic(hw, mc_addr);
754 * e1000_enable_tx_pkt_filtering - Enable packet filtering on TX
755 * @hw: pointer to the HW structure
757 * Enables packet filtering on transmit packets if manageability is enabled
758 * and host interface is enabled.
759 * Currently no func pointer exists and all implementations are handled in the
760 * generic version of this function.
762 bool e1000_enable_tx_pkt_filtering(struct e1000_hw *hw)
764 return e1000_enable_tx_pkt_filtering_generic(hw);
768 * e1000_mng_host_if_write - Writes to the manageability host interface
769 * @hw: pointer to the HW structure
770 * @buffer: pointer to the host interface buffer
771 * @length: size of the buffer
772 * @offset: location in the buffer to write to
773 * @sum: sum of the data (not checksum)
775 * This function writes the buffer content at the offset given on the host if.
776 * It also does alignment considerations to do the writes in most efficient
777 * way. Also fills up the sum of the buffer in *buffer parameter.
779 s32 e1000_mng_host_if_write(struct e1000_hw * hw, u8 *buffer, u16 length,
782 if (hw->mac.ops.mng_host_if_write)
783 return hw->mac.ops.mng_host_if_write(hw, buffer, length,
786 return E1000_NOT_IMPLEMENTED;
790 * e1000_mng_write_cmd_header - Writes manageability command header
791 * @hw: pointer to the HW structure
792 * @hdr: pointer to the host interface command header
794 * Writes the command header after does the checksum calculation.
796 s32 e1000_mng_write_cmd_header(struct e1000_hw *hw,
797 struct e1000_host_mng_command_header *hdr)
799 if (hw->mac.ops.mng_write_cmd_header)
800 return hw->mac.ops.mng_write_cmd_header(hw, hdr);
802 return E1000_NOT_IMPLEMENTED;
806 * e1000_mng_enable_host_if - Checks host interface is enabled
807 * @hw: pointer to the HW structure
809 * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND
811 * This function checks whether the HOST IF is enabled for command operation
812 * and also checks whether the previous command is completed. It busy waits
813 * in case of previous command is not completed.
815 s32 e1000_mng_enable_host_if(struct e1000_hw * hw)
817 if (hw->mac.ops.mng_enable_host_if)
818 return hw->mac.ops.mng_enable_host_if(hw);
820 return E1000_NOT_IMPLEMENTED;
824 * e1000_wait_autoneg - Waits for autonegotiation completion
825 * @hw: pointer to the HW structure
827 * Waits for autoneg to complete. Currently no func pointer exists and all
828 * implementations are handled in the generic version of this function.
830 s32 e1000_wait_autoneg(struct e1000_hw *hw)
832 if (hw->mac.ops.wait_autoneg)
833 return hw->mac.ops.wait_autoneg(hw);
835 return E1000_SUCCESS;
839 * e1000_check_reset_block - Verifies PHY can be reset
840 * @hw: pointer to the HW structure
842 * Checks if the PHY is in a state that can be reset or if manageability
843 * has it tied up. This is a function pointer entry point called by drivers.
845 s32 e1000_check_reset_block(struct e1000_hw *hw)
847 if (hw->phy.ops.check_reset_block)
848 return hw->phy.ops.check_reset_block(hw);
850 return E1000_SUCCESS;
854 * e1000_read_phy_reg - Reads PHY register
855 * @hw: pointer to the HW structure
856 * @offset: the register to read
857 * @data: the buffer to store the 16-bit read.
859 * Reads the PHY register and returns the value in data.
860 * This is a function pointer entry point called by drivers.
862 s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data)
864 if (hw->phy.ops.read_reg)
865 return hw->phy.ops.read_reg(hw, offset, data);
867 return E1000_SUCCESS;
871 * e1000_write_phy_reg - Writes PHY register
872 * @hw: pointer to the HW structure
873 * @offset: the register to write
874 * @data: the value to write.
876 * Writes the PHY register at offset with the value in data.
877 * This is a function pointer entry point called by drivers.
879 s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data)
881 if (hw->phy.ops.write_reg)
882 return hw->phy.ops.write_reg(hw, offset, data);
884 return E1000_SUCCESS;
888 * e1000_release_phy - Generic release PHY
889 * @hw: pointer to the HW structure
891 * Return if silicon family does not require a semaphore when accessing the
894 void e1000_release_phy(struct e1000_hw *hw)
896 if (hw->phy.ops.release)
897 hw->phy.ops.release(hw);
901 * e1000_acquire_phy - Generic acquire PHY
902 * @hw: pointer to the HW structure
904 * Return success if silicon family does not require a semaphore when
907 s32 e1000_acquire_phy(struct e1000_hw *hw)
909 if (hw->phy.ops.acquire)
910 return hw->phy.ops.acquire(hw);
912 return E1000_SUCCESS;
916 * e1000_cfg_on_link_up - Configure PHY upon link up
917 * @hw: pointer to the HW structure
919 s32 e1000_cfg_on_link_up(struct e1000_hw *hw)
921 if (hw->phy.ops.cfg_on_link_up)
922 return hw->phy.ops.cfg_on_link_up(hw);
924 return E1000_SUCCESS;
928 * e1000_read_kmrn_reg - Reads register using Kumeran interface
929 * @hw: pointer to the HW structure
930 * @offset: the register to read
931 * @data: the location to store the 16-bit value read.
933 * Reads a register out of the Kumeran interface. Currently no func pointer
934 * exists and all implementations are handled in the generic version of
937 s32 e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
939 return e1000_read_kmrn_reg_generic(hw, offset, data);
943 * e1000_write_kmrn_reg - Writes register using Kumeran interface
944 * @hw: pointer to the HW structure
945 * @offset: the register to write
946 * @data: the value to write.
948 * Writes a register to the Kumeran interface. Currently no func pointer
949 * exists and all implementations are handled in the generic version of
952 s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
954 return e1000_write_kmrn_reg_generic(hw, offset, data);
958 * e1000_get_cable_length - Retrieves cable length estimation
959 * @hw: pointer to the HW structure
961 * This function estimates the cable length and stores them in
962 * hw->phy.min_length and hw->phy.max_length. This is a function pointer
963 * entry point called by drivers.
965 s32 e1000_get_cable_length(struct e1000_hw *hw)
967 if (hw->phy.ops.get_cable_length)
968 return hw->phy.ops.get_cable_length(hw);
970 return E1000_SUCCESS;
974 * e1000_get_phy_info - Retrieves PHY information from registers
975 * @hw: pointer to the HW structure
977 * This function gets some information from various PHY registers and
978 * populates hw->phy values with it. This is a function pointer entry
979 * point called by drivers.
981 s32 e1000_get_phy_info(struct e1000_hw *hw)
983 if (hw->phy.ops.get_info)
984 return hw->phy.ops.get_info(hw);
986 return E1000_SUCCESS;
990 * e1000_phy_hw_reset - Hard PHY reset
991 * @hw: pointer to the HW structure
993 * Performs a hard PHY reset. This is a function pointer entry point called
996 s32 e1000_phy_hw_reset(struct e1000_hw *hw)
998 if (hw->phy.ops.reset)
999 return hw->phy.ops.reset(hw);
1001 return E1000_SUCCESS;
1005 * e1000_phy_commit - Soft PHY reset
1006 * @hw: pointer to the HW structure
1008 * Performs a soft PHY reset on those that apply. This is a function pointer
1009 * entry point called by drivers.
1011 s32 e1000_phy_commit(struct e1000_hw *hw)
1013 if (hw->phy.ops.commit)
1014 return hw->phy.ops.commit(hw);
1016 return E1000_SUCCESS;
1020 * e1000_set_d0_lplu_state - Sets low power link up state for D0
1021 * @hw: pointer to the HW structure
1022 * @active: boolean used to enable/disable lplu
1024 * Success returns 0, Failure returns 1
1026 * The low power link up (lplu) state is set to the power management level D0
1027 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D0
1028 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU
1029 * is used during Dx states where the power conservation is most important.
1030 * During driver activity, SmartSpeed should be enabled so performance is
1031 * maintained. This is a function pointer entry point called by drivers.
1033 s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active)
1035 if (hw->phy.ops.set_d0_lplu_state)
1036 return hw->phy.ops.set_d0_lplu_state(hw, active);
1038 return E1000_SUCCESS;
1042 * e1000_set_d3_lplu_state - Sets low power link up state for D3
1043 * @hw: pointer to the HW structure
1044 * @active: boolean used to enable/disable lplu
1046 * Success returns 0, Failure returns 1
1048 * The low power link up (lplu) state is set to the power management level D3
1049 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D3
1050 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU
1051 * is used during Dx states where the power conservation is most important.
1052 * During driver activity, SmartSpeed should be enabled so performance is
1053 * maintained. This is a function pointer entry point called by drivers.
1055 s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
1057 if (hw->phy.ops.set_d3_lplu_state)
1058 return hw->phy.ops.set_d3_lplu_state(hw, active);
1060 return E1000_SUCCESS;
1064 * e1000_read_mac_addr - Reads MAC address
1065 * @hw: pointer to the HW structure
1067 * Reads the MAC address out of the adapter and stores it in the HW structure.
1068 * Currently no func pointer exists and all implementations are handled in the
1069 * generic version of this function.
1071 s32 e1000_read_mac_addr(struct e1000_hw *hw)
1073 if (hw->mac.ops.read_mac_addr)
1074 return hw->mac.ops.read_mac_addr(hw);
1076 return e1000_read_mac_addr_generic(hw);
1080 * e1000_read_pba_string - Read device part number string
1081 * @hw: pointer to the HW structure
1082 * @pba_num: pointer to device part number
1083 * @pba_num_size: size of part number buffer
1085 * Reads the product board assembly (PBA) number from the EEPROM and stores
1086 * the value in pba_num.
1087 * Currently no func pointer exists and all implementations are handled in the
1088 * generic version of this function.
1090 s32 e1000_read_pba_string(struct e1000_hw *hw, u8 *pba_num, u32 pba_num_size)
1092 return e1000_read_pba_string_generic(hw, pba_num, pba_num_size);
1096 * e1000_read_pba_length - Read device part number string length
1097 * @hw: pointer to the HW structure
1098 * @pba_num_size: size of part number buffer
1100 * Reads the product board assembly (PBA) number length from the EEPROM and
1101 * stores the value in pba_num.
1102 * Currently no func pointer exists and all implementations are handled in the
1103 * generic version of this function.
1105 s32 e1000_read_pba_length(struct e1000_hw *hw, u32 *pba_num_size)
1107 return e1000_read_pba_length_generic(hw, pba_num_size);
1111 * e1000_read_pba_num - Read device part number
1112 * @hw: pointer to the HW structure
1113 * @pba_num: pointer to device part number
1115 * Reads the product board assembly (PBA) number from the EEPROM and stores
1116 * the value in pba_num.
1117 * Currently no func pointer exists and all implementations are handled in the
1118 * generic version of this function.
1120 s32 e1000_read_pba_num(struct e1000_hw *hw, u32 *pba_num)
1122 return e1000_read_pba_num_generic(hw, pba_num);
1126 * e1000_validate_nvm_checksum - Verifies NVM (EEPROM) checksum
1127 * @hw: pointer to the HW structure
1129 * Validates the NVM checksum is correct. This is a function pointer entry
1130 * point called by drivers.
1132 s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
1134 if (hw->nvm.ops.validate)
1135 return hw->nvm.ops.validate(hw);
1137 return -E1000_ERR_CONFIG;
1141 * e1000_update_nvm_checksum - Updates NVM (EEPROM) checksum
1142 * @hw: pointer to the HW structure
1144 * Updates the NVM checksum. Currently no func pointer exists and all
1145 * implementations are handled in the generic version of this function.
1147 s32 e1000_update_nvm_checksum(struct e1000_hw *hw)
1149 if (hw->nvm.ops.update)
1150 return hw->nvm.ops.update(hw);
1152 return -E1000_ERR_CONFIG;
1156 * e1000_reload_nvm - Reloads EEPROM
1157 * @hw: pointer to the HW structure
1159 * Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the
1160 * extended control register.
1162 void e1000_reload_nvm(struct e1000_hw *hw)
1164 if (hw->nvm.ops.reload)
1165 hw->nvm.ops.reload(hw);
1169 * e1000_read_nvm - Reads NVM (EEPROM)
1170 * @hw: pointer to the HW structure
1171 * @offset: the word offset to read
1172 * @words: number of 16-bit words to read
1173 * @data: pointer to the properly sized buffer for the data.
1175 * Reads 16-bit chunks of data from the NVM (EEPROM). This is a function
1176 * pointer entry point called by drivers.
1178 s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
1180 if (hw->nvm.ops.read)
1181 return hw->nvm.ops.read(hw, offset, words, data);
1183 return -E1000_ERR_CONFIG;
1187 * e1000_write_nvm - Writes to NVM (EEPROM)
1188 * @hw: pointer to the HW structure
1189 * @offset: the word offset to read
1190 * @words: number of 16-bit words to write
1191 * @data: pointer to the properly sized buffer for the data.
1193 * Writes 16-bit chunks of data to the NVM (EEPROM). This is a function
1194 * pointer entry point called by drivers.
1196 s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
1198 if (hw->nvm.ops.write)
1199 return hw->nvm.ops.write(hw, offset, words, data);
1201 return E1000_SUCCESS;
1205 * e1000_power_up_phy - Restores link in case of PHY power down
1206 * @hw: pointer to the HW structure
1208 * The phy may be powered down to save power, to turn off link when the
1209 * driver is unloaded, or wake on lan is not enabled (among others).
1211 void e1000_power_up_phy(struct e1000_hw *hw)
1213 if (hw->phy.ops.power_up)
1214 hw->phy.ops.power_up(hw);
1216 e1000_setup_link(hw);
1220 * e1000_power_down_phy - Power down PHY
1221 * @hw: pointer to the HW structure
1223 * The phy may be powered down to save power, to turn off link when the
1224 * driver is unloaded, or wake on lan is not enabled (among others).
1226 void e1000_power_down_phy(struct e1000_hw *hw)
1228 if (hw->phy.ops.power_down)
1229 hw->phy.ops.power_down(hw);