1 /*******************************************************************************
3 Intel(R) Gigabit Ethernet Linux driver
4 Copyright(c) 2007-2012 Intel Corporation.
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 *******************************************************************************/
28 #include "e1000_api.h"
31 * e1000_init_mac_params - Initialize MAC function pointers
32 * @hw: pointer to the HW structure
34 * This function initializes the function pointers for the MAC
35 * set of functions. Called by drivers or by e1000_setup_init_funcs.
37 s32 e1000_init_mac_params(struct e1000_hw *hw)
39 s32 ret_val = E1000_SUCCESS;
41 if (hw->mac.ops.init_params) {
42 ret_val = hw->mac.ops.init_params(hw);
44 DEBUGOUT("MAC Initialization Error\n");
48 DEBUGOUT("mac.init_mac_params was NULL\n");
49 ret_val = -E1000_ERR_CONFIG;
57 * e1000_init_nvm_params - Initialize NVM function pointers
58 * @hw: pointer to the HW structure
60 * This function initializes the function pointers for the NVM
61 * set of functions. Called by drivers or by e1000_setup_init_funcs.
63 s32 e1000_init_nvm_params(struct e1000_hw *hw)
65 s32 ret_val = E1000_SUCCESS;
67 if (hw->nvm.ops.init_params) {
68 ret_val = hw->nvm.ops.init_params(hw);
70 DEBUGOUT("NVM Initialization Error\n");
74 DEBUGOUT("nvm.init_nvm_params was NULL\n");
75 ret_val = -E1000_ERR_CONFIG;
83 * e1000_init_phy_params - Initialize PHY function pointers
84 * @hw: pointer to the HW structure
86 * This function initializes the function pointers for the PHY
87 * set of functions. Called by drivers or by e1000_setup_init_funcs.
89 s32 e1000_init_phy_params(struct e1000_hw *hw)
91 s32 ret_val = E1000_SUCCESS;
93 if (hw->phy.ops.init_params) {
94 ret_val = hw->phy.ops.init_params(hw);
96 DEBUGOUT("PHY Initialization Error\n");
100 DEBUGOUT("phy.init_phy_params was NULL\n");
101 ret_val = -E1000_ERR_CONFIG;
109 * e1000_init_mbx_params - Initialize mailbox function pointers
110 * @hw: pointer to the HW structure
112 * This function initializes the function pointers for the PHY
113 * set of functions. Called by drivers or by e1000_setup_init_funcs.
115 s32 e1000_init_mbx_params(struct e1000_hw *hw)
117 s32 ret_val = E1000_SUCCESS;
119 if (hw->mbx.ops.init_params) {
120 ret_val = hw->mbx.ops.init_params(hw);
122 DEBUGOUT("Mailbox Initialization Error\n");
126 DEBUGOUT("mbx.init_mbx_params was NULL\n");
127 ret_val = -E1000_ERR_CONFIG;
135 * e1000_set_mac_type - Sets MAC type
136 * @hw: pointer to the HW structure
138 * This function sets the mac type of the adapter based on the
139 * device ID stored in the hw structure.
140 * MUST BE FIRST FUNCTION CALLED (explicitly or through
141 * e1000_setup_init_funcs()).
143 s32 e1000_set_mac_type(struct e1000_hw *hw)
145 struct e1000_mac_info *mac = &hw->mac;
146 s32 ret_val = E1000_SUCCESS;
148 DEBUGFUNC("e1000_set_mac_type");
150 switch (hw->device_id) {
151 case E1000_DEV_ID_82575EB_COPPER:
152 case E1000_DEV_ID_82575EB_FIBER_SERDES:
153 case E1000_DEV_ID_82575GB_QUAD_COPPER:
154 mac->type = e1000_82575;
156 case E1000_DEV_ID_82576:
157 case E1000_DEV_ID_82576_FIBER:
158 case E1000_DEV_ID_82576_SERDES:
159 case E1000_DEV_ID_82576_QUAD_COPPER:
160 case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
161 case E1000_DEV_ID_82576_NS:
162 case E1000_DEV_ID_82576_NS_SERDES:
163 case E1000_DEV_ID_82576_SERDES_QUAD:
164 mac->type = e1000_82576;
166 case E1000_DEV_ID_82580_COPPER:
167 case E1000_DEV_ID_82580_FIBER:
168 case E1000_DEV_ID_82580_SERDES:
169 case E1000_DEV_ID_82580_SGMII:
170 case E1000_DEV_ID_82580_COPPER_DUAL:
171 case E1000_DEV_ID_82580_QUAD_FIBER:
172 case E1000_DEV_ID_DH89XXCC_SGMII:
173 case E1000_DEV_ID_DH89XXCC_SERDES:
174 case E1000_DEV_ID_DH89XXCC_BACKPLANE:
175 case E1000_DEV_ID_DH89XXCC_SFP:
176 mac->type = e1000_82580;
178 case E1000_DEV_ID_I350_COPPER:
179 case E1000_DEV_ID_I350_FIBER:
180 case E1000_DEV_ID_I350_SERDES:
181 case E1000_DEV_ID_I350_SGMII:
182 case E1000_DEV_ID_I350_DA4:
183 mac->type = e1000_i350;
185 case E1000_DEV_ID_I354_BACKPLANE_1GBPS:
186 case E1000_DEV_ID_I354_SGMII:
187 case E1000_DEV_ID_I354_BACKPLANE_2_5GBPS:
188 mac->type = e1000_i354;
192 /* Should never have loaded on this device */
193 ret_val = -E1000_ERR_MAC_INIT;
201 * e1000_setup_init_funcs - Initializes function pointers
202 * @hw: pointer to the HW structure
203 * @init_device: true will initialize the rest of the function pointers
204 * getting the device ready for use. false will only set
205 * MAC type and the function pointers for the other init
206 * functions. Passing false will not generate any hardware
209 * This function must be called by a driver in order to use the rest
210 * of the 'shared' code files. Called by drivers only.
212 s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device)
216 /* Can't do much good without knowing the MAC type. */
217 ret_val = e1000_set_mac_type(hw);
219 DEBUGOUT("ERROR: MAC type could not be set properly.\n");
224 DEBUGOUT("ERROR: Registers not mapped\n");
225 ret_val = -E1000_ERR_CONFIG;
230 * Init function pointers to generic implementations. We do this first
231 * allowing a driver module to override it afterward.
233 e1000_init_mac_ops_generic(hw);
234 e1000_init_phy_ops_generic(hw);
235 e1000_init_nvm_ops_generic(hw);
236 e1000_init_mbx_ops_generic(hw);
239 * Set up the init function pointers. These are functions within the
240 * adapter family file that sets up function pointers for the rest of
241 * the functions in that family.
243 switch (hw->mac.type) {
248 e1000_init_function_pointers_82575(hw);
251 DEBUGOUT("Hardware not supported\n");
252 ret_val = -E1000_ERR_CONFIG;
257 * Initialize the rest of the function pointers. These require some
258 * register reads/writes in some cases.
260 if (!(ret_val) && init_device) {
261 ret_val = e1000_init_mac_params(hw);
265 ret_val = e1000_init_nvm_params(hw);
269 ret_val = e1000_init_phy_params(hw);
273 ret_val = e1000_init_mbx_params(hw);
283 * e1000_get_bus_info - Obtain bus information for adapter
284 * @hw: pointer to the HW structure
286 * This will obtain information about the HW bus for which the
287 * adapter is attached and stores it in the hw structure. This is a
288 * function pointer entry point called by drivers.
290 s32 e1000_get_bus_info(struct e1000_hw *hw)
292 if (hw->mac.ops.get_bus_info)
293 return hw->mac.ops.get_bus_info(hw);
295 return E1000_SUCCESS;
299 * e1000_clear_vfta - Clear VLAN filter table
300 * @hw: pointer to the HW structure
302 * This clears the VLAN filter table on the adapter. This is a function
303 * pointer entry point called by drivers.
305 void e1000_clear_vfta(struct e1000_hw *hw)
307 if (hw->mac.ops.clear_vfta)
308 hw->mac.ops.clear_vfta(hw);
312 * e1000_write_vfta - Write value to VLAN filter table
313 * @hw: pointer to the HW structure
314 * @offset: the 32-bit offset in which to write the value to.
315 * @value: the 32-bit value to write at location offset.
317 * This writes a 32-bit value to a 32-bit offset in the VLAN filter
318 * table. This is a function pointer entry point called by drivers.
320 void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
322 if (hw->mac.ops.write_vfta)
323 hw->mac.ops.write_vfta(hw, offset, value);
327 * e1000_update_mc_addr_list - Update Multicast addresses
328 * @hw: pointer to the HW structure
329 * @mc_addr_list: array of multicast addresses to program
330 * @mc_addr_count: number of multicast addresses to program
332 * Updates the Multicast Table Array.
333 * The caller must have a packed mc_addr_list of multicast addresses.
335 void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
338 if (hw->mac.ops.update_mc_addr_list)
339 hw->mac.ops.update_mc_addr_list(hw, mc_addr_list,
344 * e1000_force_mac_fc - Force MAC flow control
345 * @hw: pointer to the HW structure
347 * Force the MAC's flow control settings. Currently no func pointer exists
348 * and all implementations are handled in the generic version of this
351 s32 e1000_force_mac_fc(struct e1000_hw *hw)
353 return e1000_force_mac_fc_generic(hw);
357 * e1000_check_for_link - Check/Store link connection
358 * @hw: pointer to the HW structure
360 * This checks the link condition of the adapter and stores the
361 * results in the hw->mac structure. This is a function pointer entry
362 * point called by drivers.
364 s32 e1000_check_for_link(struct e1000_hw *hw)
366 if (hw->mac.ops.check_for_link)
367 return hw->mac.ops.check_for_link(hw);
369 return -E1000_ERR_CONFIG;
373 * e1000_check_mng_mode - Check management mode
374 * @hw: pointer to the HW structure
376 * This checks if the adapter has manageability enabled.
377 * This is a function pointer entry point called by drivers.
379 bool e1000_check_mng_mode(struct e1000_hw *hw)
381 if (hw->mac.ops.check_mng_mode)
382 return hw->mac.ops.check_mng_mode(hw);
388 * e1000_mng_write_dhcp_info - Writes DHCP info to host interface
389 * @hw: pointer to the HW structure
390 * @buffer: pointer to the host interface
391 * @length: size of the buffer
393 * Writes the DHCP information to the host interface.
395 s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length)
397 return e1000_mng_write_dhcp_info_generic(hw, buffer, length);
401 * e1000_reset_hw - Reset hardware
402 * @hw: pointer to the HW structure
404 * This resets the hardware into a known state. This is a function pointer
405 * entry point called by drivers.
407 s32 e1000_reset_hw(struct e1000_hw *hw)
409 if (hw->mac.ops.reset_hw)
410 return hw->mac.ops.reset_hw(hw);
412 return -E1000_ERR_CONFIG;
416 * e1000_init_hw - Initialize hardware
417 * @hw: pointer to the HW structure
419 * This inits the hardware readying it for operation. This is a function
420 * pointer entry point called by drivers.
422 s32 e1000_init_hw(struct e1000_hw *hw)
424 if (hw->mac.ops.init_hw)
425 return hw->mac.ops.init_hw(hw);
427 return -E1000_ERR_CONFIG;
431 * e1000_setup_link - Configures link and flow control
432 * @hw: pointer to the HW structure
434 * This configures link and flow control settings for the adapter. This
435 * is a function pointer entry point called by drivers. While modules can
436 * also call this, they probably call their own version of this function.
438 s32 e1000_setup_link(struct e1000_hw *hw)
440 if (hw->mac.ops.setup_link)
441 return hw->mac.ops.setup_link(hw);
443 return -E1000_ERR_CONFIG;
447 * e1000_get_speed_and_duplex - Returns current speed and duplex
448 * @hw: pointer to the HW structure
449 * @speed: pointer to a 16-bit value to store the speed
450 * @duplex: pointer to a 16-bit value to store the duplex.
452 * This returns the speed and duplex of the adapter in the two 'out'
453 * variables passed in. This is a function pointer entry point called
456 s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex)
458 if (hw->mac.ops.get_link_up_info)
459 return hw->mac.ops.get_link_up_info(hw, speed, duplex);
461 return -E1000_ERR_CONFIG;
465 * e1000_setup_led - Configures SW controllable LED
466 * @hw: pointer to the HW structure
468 * This prepares the SW controllable LED for use and saves the current state
469 * of the LED so it can be later restored. This is a function pointer entry
470 * point called by drivers.
472 s32 e1000_setup_led(struct e1000_hw *hw)
474 if (hw->mac.ops.setup_led)
475 return hw->mac.ops.setup_led(hw);
477 return E1000_SUCCESS;
481 * e1000_cleanup_led - Restores SW controllable LED
482 * @hw: pointer to the HW structure
484 * This restores the SW controllable LED to the value saved off by
485 * e1000_setup_led. This is a function pointer entry point called by drivers.
487 s32 e1000_cleanup_led(struct e1000_hw *hw)
489 if (hw->mac.ops.cleanup_led)
490 return hw->mac.ops.cleanup_led(hw);
492 return E1000_SUCCESS;
496 * e1000_blink_led - Blink SW controllable LED
497 * @hw: pointer to the HW structure
499 * This starts the adapter LED blinking. Request the LED to be setup first
500 * and cleaned up after. This is a function pointer entry point called by
503 s32 e1000_blink_led(struct e1000_hw *hw)
505 if (hw->mac.ops.blink_led)
506 return hw->mac.ops.blink_led(hw);
508 return E1000_SUCCESS;
512 * e1000_id_led_init - store LED configurations in SW
513 * @hw: pointer to the HW structure
515 * Initializes the LED config in SW. This is a function pointer entry point
518 s32 e1000_id_led_init(struct e1000_hw *hw)
520 if (hw->mac.ops.id_led_init)
521 return hw->mac.ops.id_led_init(hw);
523 return E1000_SUCCESS;
527 * e1000_led_on - Turn on SW controllable LED
528 * @hw: pointer to the HW structure
530 * Turns the SW defined LED on. This is a function pointer entry point
533 s32 e1000_led_on(struct e1000_hw *hw)
535 if (hw->mac.ops.led_on)
536 return hw->mac.ops.led_on(hw);
538 return E1000_SUCCESS;
542 * e1000_led_off - Turn off SW controllable LED
543 * @hw: pointer to the HW structure
545 * Turns the SW defined LED off. This is a function pointer entry point
548 s32 e1000_led_off(struct e1000_hw *hw)
550 if (hw->mac.ops.led_off)
551 return hw->mac.ops.led_off(hw);
553 return E1000_SUCCESS;
557 * e1000_reset_adaptive - Reset adaptive IFS
558 * @hw: pointer to the HW structure
560 * Resets the adaptive IFS. Currently no func pointer exists and all
561 * implementations are handled in the generic version of this function.
563 void e1000_reset_adaptive(struct e1000_hw *hw)
565 e1000_reset_adaptive_generic(hw);
569 * e1000_update_adaptive - Update adaptive IFS
570 * @hw: pointer to the HW structure
572 * Updates adapter IFS. Currently no func pointer exists and all
573 * implementations are handled in the generic version of this function.
575 void e1000_update_adaptive(struct e1000_hw *hw)
577 e1000_update_adaptive_generic(hw);
581 * e1000_disable_pcie_master - Disable PCI-Express master access
582 * @hw: pointer to the HW structure
584 * Disables PCI-Express master access and verifies there are no pending
585 * requests. Currently no func pointer exists and all implementations are
586 * handled in the generic version of this function.
588 s32 e1000_disable_pcie_master(struct e1000_hw *hw)
590 return e1000_disable_pcie_master_generic(hw);
594 * e1000_config_collision_dist - Configure collision distance
595 * @hw: pointer to the HW structure
597 * Configures the collision distance to the default value and is used
600 void e1000_config_collision_dist(struct e1000_hw *hw)
602 if (hw->mac.ops.config_collision_dist)
603 hw->mac.ops.config_collision_dist(hw);
607 * e1000_rar_set - Sets a receive address register
608 * @hw: pointer to the HW structure
609 * @addr: address to set the RAR to
610 * @index: the RAR to set
612 * Sets a Receive Address Register (RAR) to the specified address.
614 void e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
616 if (hw->mac.ops.rar_set)
617 hw->mac.ops.rar_set(hw, addr, index);
621 * e1000_validate_mdi_setting - Ensures valid MDI/MDIX SW state
622 * @hw: pointer to the HW structure
624 * Ensures that the MDI/MDIX SW state is valid.
626 s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
628 if (hw->mac.ops.validate_mdi_setting)
629 return hw->mac.ops.validate_mdi_setting(hw);
631 return E1000_SUCCESS;
635 * e1000_hash_mc_addr - Determines address location in multicast table
636 * @hw: pointer to the HW structure
637 * @mc_addr: Multicast address to hash.
639 * This hashes an address to determine its location in the multicast
640 * table. Currently no func pointer exists and all implementations
641 * are handled in the generic version of this function.
643 u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
645 return e1000_hash_mc_addr_generic(hw, mc_addr);
649 * e1000_enable_tx_pkt_filtering - Enable packet filtering on TX
650 * @hw: pointer to the HW structure
652 * Enables packet filtering on transmit packets if manageability is enabled
653 * and host interface is enabled.
654 * Currently no func pointer exists and all implementations are handled in the
655 * generic version of this function.
657 bool e1000_enable_tx_pkt_filtering(struct e1000_hw *hw)
659 return e1000_enable_tx_pkt_filtering_generic(hw);
663 * e1000_mng_host_if_write - Writes to the manageability host interface
664 * @hw: pointer to the HW structure
665 * @buffer: pointer to the host interface buffer
666 * @length: size of the buffer
667 * @offset: location in the buffer to write to
668 * @sum: sum of the data (not checksum)
670 * This function writes the buffer content at the offset given on the host if.
671 * It also does alignment considerations to do the writes in most efficient
672 * way. Also fills up the sum of the buffer in *buffer parameter.
674 s32 e1000_mng_host_if_write(struct e1000_hw *hw, u8 *buffer, u16 length,
677 if (hw->mac.ops.mng_host_if_write)
678 return hw->mac.ops.mng_host_if_write(hw, buffer, length,
681 return E1000_NOT_IMPLEMENTED;
685 * e1000_mng_write_cmd_header - Writes manageability command header
686 * @hw: pointer to the HW structure
687 * @hdr: pointer to the host interface command header
689 * Writes the command header after does the checksum calculation.
691 s32 e1000_mng_write_cmd_header(struct e1000_hw *hw,
692 struct e1000_host_mng_command_header *hdr)
694 if (hw->mac.ops.mng_write_cmd_header)
695 return hw->mac.ops.mng_write_cmd_header(hw, hdr);
697 return E1000_NOT_IMPLEMENTED;
701 * e1000_mng_enable_host_if - Checks host interface is enabled
702 * @hw: pointer to the HW structure
704 * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND
706 * This function checks whether the HOST IF is enabled for command operation
707 * and also checks whether the previous command is completed. It busy waits
708 * in case of previous command is not completed.
710 s32 e1000_mng_enable_host_if(struct e1000_hw *hw)
712 if (hw->mac.ops.mng_enable_host_if)
713 return hw->mac.ops.mng_enable_host_if(hw);
715 return E1000_NOT_IMPLEMENTED;
719 * e1000_wait_autoneg - Waits for autonegotiation completion
720 * @hw: pointer to the HW structure
722 * Waits for autoneg to complete. Currently no func pointer exists and all
723 * implementations are handled in the generic version of this function.
725 s32 e1000_wait_autoneg(struct e1000_hw *hw)
727 if (hw->mac.ops.wait_autoneg)
728 return hw->mac.ops.wait_autoneg(hw);
730 return E1000_SUCCESS;
734 * e1000_check_reset_block - Verifies PHY can be reset
735 * @hw: pointer to the HW structure
737 * Checks if the PHY is in a state that can be reset or if manageability
738 * has it tied up. This is a function pointer entry point called by drivers.
740 s32 e1000_check_reset_block(struct e1000_hw *hw)
742 if (hw->phy.ops.check_reset_block)
743 return hw->phy.ops.check_reset_block(hw);
745 return E1000_SUCCESS;
749 * e1000_read_phy_reg - Reads PHY register
750 * @hw: pointer to the HW structure
751 * @offset: the register to read
752 * @data: the buffer to store the 16-bit read.
754 * Reads the PHY register and returns the value in data.
755 * This is a function pointer entry point called by drivers.
757 s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data)
759 if (hw->phy.ops.read_reg)
760 return hw->phy.ops.read_reg(hw, offset, data);
762 return E1000_SUCCESS;
766 * e1000_write_phy_reg - Writes PHY register
767 * @hw: pointer to the HW structure
768 * @offset: the register to write
769 * @data: the value to write.
771 * Writes the PHY register at offset with the value in data.
772 * This is a function pointer entry point called by drivers.
774 s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data)
776 if (hw->phy.ops.write_reg)
777 return hw->phy.ops.write_reg(hw, offset, data);
779 return E1000_SUCCESS;
783 * e1000_release_phy - Generic release PHY
784 * @hw: pointer to the HW structure
786 * Return if silicon family does not require a semaphore when accessing the
789 void e1000_release_phy(struct e1000_hw *hw)
791 if (hw->phy.ops.release)
792 hw->phy.ops.release(hw);
796 * e1000_acquire_phy - Generic acquire PHY
797 * @hw: pointer to the HW structure
799 * Return success if silicon family does not require a semaphore when
802 s32 e1000_acquire_phy(struct e1000_hw *hw)
804 if (hw->phy.ops.acquire)
805 return hw->phy.ops.acquire(hw);
807 return E1000_SUCCESS;
811 * e1000_read_kmrn_reg - Reads register using Kumeran interface
812 * @hw: pointer to the HW structure
813 * @offset: the register to read
814 * @data: the location to store the 16-bit value read.
816 * Reads a register out of the Kumeran interface. Currently no func pointer
817 * exists and all implementations are handled in the generic version of
820 s32 e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
822 return e1000_read_kmrn_reg_generic(hw, offset, data);
826 * e1000_write_kmrn_reg - Writes register using Kumeran interface
827 * @hw: pointer to the HW structure
828 * @offset: the register to write
829 * @data: the value to write.
831 * Writes a register to the Kumeran interface. Currently no func pointer
832 * exists and all implementations are handled in the generic version of
835 s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
837 return e1000_write_kmrn_reg_generic(hw, offset, data);
841 * e1000_get_cable_length - Retrieves cable length estimation
842 * @hw: pointer to the HW structure
844 * This function estimates the cable length and stores them in
845 * hw->phy.min_length and hw->phy.max_length. This is a function pointer
846 * entry point called by drivers.
848 s32 e1000_get_cable_length(struct e1000_hw *hw)
850 if (hw->phy.ops.get_cable_length)
851 return hw->phy.ops.get_cable_length(hw);
853 return E1000_SUCCESS;
857 * e1000_get_phy_info - Retrieves PHY information from registers
858 * @hw: pointer to the HW structure
860 * This function gets some information from various PHY registers and
861 * populates hw->phy values with it. This is a function pointer entry
862 * point called by drivers.
864 s32 e1000_get_phy_info(struct e1000_hw *hw)
866 if (hw->phy.ops.get_info)
867 return hw->phy.ops.get_info(hw);
869 return E1000_SUCCESS;
873 * e1000_phy_hw_reset - Hard PHY reset
874 * @hw: pointer to the HW structure
876 * Performs a hard PHY reset. This is a function pointer entry point called
879 s32 e1000_phy_hw_reset(struct e1000_hw *hw)
881 if (hw->phy.ops.reset)
882 return hw->phy.ops.reset(hw);
884 return E1000_SUCCESS;
888 * e1000_phy_commit - Soft PHY reset
889 * @hw: pointer to the HW structure
891 * Performs a soft PHY reset on those that apply. This is a function pointer
892 * entry point called by drivers.
894 s32 e1000_phy_commit(struct e1000_hw *hw)
896 if (hw->phy.ops.commit)
897 return hw->phy.ops.commit(hw);
899 return E1000_SUCCESS;
903 * e1000_set_d0_lplu_state - Sets low power link up state for D0
904 * @hw: pointer to the HW structure
905 * @active: boolean used to enable/disable lplu
907 * Success returns 0, Failure returns 1
909 * The low power link up (lplu) state is set to the power management level D0
910 * and SmartSpeed is disabled when active is true, else clear lplu for D0
911 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU
912 * is used during Dx states where the power conservation is most important.
913 * During driver activity, SmartSpeed should be enabled so performance is
914 * maintained. This is a function pointer entry point called by drivers.
916 s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active)
918 if (hw->phy.ops.set_d0_lplu_state)
919 return hw->phy.ops.set_d0_lplu_state(hw, active);
921 return E1000_SUCCESS;
925 * e1000_set_d3_lplu_state - Sets low power link up state for D3
926 * @hw: pointer to the HW structure
927 * @active: boolean used to enable/disable lplu
929 * Success returns 0, Failure returns 1
931 * The low power link up (lplu) state is set to the power management level D3
932 * and SmartSpeed is disabled when active is true, else clear lplu for D3
933 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU
934 * is used during Dx states where the power conservation is most important.
935 * During driver activity, SmartSpeed should be enabled so performance is
936 * maintained. This is a function pointer entry point called by drivers.
938 s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
940 if (hw->phy.ops.set_d3_lplu_state)
941 return hw->phy.ops.set_d3_lplu_state(hw, active);
943 return E1000_SUCCESS;
947 * e1000_read_mac_addr - Reads MAC address
948 * @hw: pointer to the HW structure
950 * Reads the MAC address out of the adapter and stores it in the HW structure.
951 * Currently no func pointer exists and all implementations are handled in the
952 * generic version of this function.
954 s32 e1000_read_mac_addr(struct e1000_hw *hw)
956 if (hw->mac.ops.read_mac_addr)
957 return hw->mac.ops.read_mac_addr(hw);
959 return e1000_read_mac_addr_generic(hw);
963 * e1000_read_pba_string - Read device part number string
964 * @hw: pointer to the HW structure
965 * @pba_num: pointer to device part number
966 * @pba_num_size: size of part number buffer
968 * Reads the product board assembly (PBA) number from the EEPROM and stores
969 * the value in pba_num.
970 * Currently no func pointer exists and all implementations are handled in the
971 * generic version of this function.
973 s32 e1000_read_pba_string(struct e1000_hw *hw, u8 *pba_num, u32 pba_num_size)
975 return e1000_read_pba_string_generic(hw, pba_num, pba_num_size);
979 * e1000_read_pba_length - Read device part number string length
980 * @hw: pointer to the HW structure
981 * @pba_num_size: size of part number buffer
983 * Reads the product board assembly (PBA) number length from the EEPROM and
984 * stores the value in pba_num.
985 * Currently no func pointer exists and all implementations are handled in the
986 * generic version of this function.
988 s32 e1000_read_pba_length(struct e1000_hw *hw, u32 *pba_num_size)
990 return e1000_read_pba_length_generic(hw, pba_num_size);
994 * e1000_validate_nvm_checksum - Verifies NVM (EEPROM) checksum
995 * @hw: pointer to the HW structure
997 * Validates the NVM checksum is correct. This is a function pointer entry
998 * point called by drivers.
1000 s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
1002 if (hw->nvm.ops.validate)
1003 return hw->nvm.ops.validate(hw);
1005 return -E1000_ERR_CONFIG;
1009 * e1000_update_nvm_checksum - Updates NVM (EEPROM) checksum
1010 * @hw: pointer to the HW structure
1012 * Updates the NVM checksum. Currently no func pointer exists and all
1013 * implementations are handled in the generic version of this function.
1015 s32 e1000_update_nvm_checksum(struct e1000_hw *hw)
1017 if (hw->nvm.ops.update)
1018 return hw->nvm.ops.update(hw);
1020 return -E1000_ERR_CONFIG;
1024 * e1000_reload_nvm - Reloads EEPROM
1025 * @hw: pointer to the HW structure
1027 * Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the
1028 * extended control register.
1030 void e1000_reload_nvm(struct e1000_hw *hw)
1032 if (hw->nvm.ops.reload)
1033 hw->nvm.ops.reload(hw);
1037 * e1000_read_nvm - Reads NVM (EEPROM)
1038 * @hw: pointer to the HW structure
1039 * @offset: the word offset to read
1040 * @words: number of 16-bit words to read
1041 * @data: pointer to the properly sized buffer for the data.
1043 * Reads 16-bit chunks of data from the NVM (EEPROM). This is a function
1044 * pointer entry point called by drivers.
1046 s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
1048 if (hw->nvm.ops.read)
1049 return hw->nvm.ops.read(hw, offset, words, data);
1051 return -E1000_ERR_CONFIG;
1055 * e1000_write_nvm - Writes to NVM (EEPROM)
1056 * @hw: pointer to the HW structure
1057 * @offset: the word offset to read
1058 * @words: number of 16-bit words to write
1059 * @data: pointer to the properly sized buffer for the data.
1061 * Writes 16-bit chunks of data to the NVM (EEPROM). This is a function
1062 * pointer entry point called by drivers.
1064 s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
1066 if (hw->nvm.ops.write)
1067 return hw->nvm.ops.write(hw, offset, words, data);
1069 return E1000_SUCCESS;
1073 * e1000_write_8bit_ctrl_reg - Writes 8bit Control register
1074 * @hw: pointer to the HW structure
1075 * @reg: 32bit register offset
1076 * @offset: the register to write
1077 * @data: the value to write.
1079 * Writes the PHY register at offset with the value in data.
1080 * This is a function pointer entry point called by drivers.
1082 s32 e1000_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg, u32 offset,
1085 return e1000_write_8bit_ctrl_reg_generic(hw, reg, offset, data);
1089 * e1000_power_up_phy - Restores link in case of PHY power down
1090 * @hw: pointer to the HW structure
1092 * The phy may be powered down to save power, to turn off link when the
1093 * driver is unloaded, or wake on lan is not enabled (among others).
1095 void e1000_power_up_phy(struct e1000_hw *hw)
1097 if (hw->phy.ops.power_up)
1098 hw->phy.ops.power_up(hw);
1100 e1000_setup_link(hw);
1104 * e1000_power_down_phy - Power down PHY
1105 * @hw: pointer to the HW structure
1107 * The phy may be powered down to save power, to turn off link when the
1108 * driver is unloaded, or wake on lan is not enabled (among others).
1110 void e1000_power_down_phy(struct e1000_hw *hw)
1112 if (hw->phy.ops.power_down)
1113 hw->phy.ops.power_down(hw);
1117 * e1000_power_up_fiber_serdes_link - Power up serdes link
1118 * @hw: pointer to the HW structure
1120 * Power on the optics and PCS.
1122 void e1000_power_up_fiber_serdes_link(struct e1000_hw *hw)
1124 if (hw->mac.ops.power_up_serdes)
1125 hw->mac.ops.power_up_serdes(hw);
1129 * e1000_shutdown_fiber_serdes_link - Remove link during power down
1130 * @hw: pointer to the HW structure
1132 * Shutdown the optics and PCS on driver unload.
1134 void e1000_shutdown_fiber_serdes_link(struct e1000_hw *hw)
1136 if (hw->mac.ops.shutdown_serdes)
1137 hw->mac.ops.shutdown_serdes(hw);
1141 * e1000_get_thermal_sensor_data - Gathers thermal sensor data
1142 * @hw: pointer to hardware structure
1144 * Updates the temperatures in mac.thermal_sensor_data
1146 s32 e1000_get_thermal_sensor_data(struct e1000_hw *hw)
1148 if (hw->mac.ops.get_thermal_sensor_data)
1149 return hw->mac.ops.get_thermal_sensor_data(hw);
1151 return E1000_SUCCESS;
1155 * e1000_init_thermal_sensor_thresh - Sets thermal sensor thresholds
1156 * @hw: pointer to hardware structure
1158 * Sets the thermal sensor thresholds according to the NVM map
1160 s32 e1000_init_thermal_sensor_thresh(struct e1000_hw *hw)
1162 if (hw->mac.ops.init_thermal_sensor_thresh)
1163 return hw->mac.ops.init_thermal_sensor_thresh(hw);
1165 return E1000_SUCCESS;