1 /*******************************************************************************
3 Intel(R) Gigabit Ethernet Linux driver
4 Copyright(c) 2007-2009 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 *******************************************************************************/
31 #include <linux/types.h>
32 #include <linux/delay.h>
35 #include "e1000_regs.h"
36 #include "e1000_defines.h"
40 #define E1000_DEV_ID_82576 0x10C9
41 #define E1000_DEV_ID_82576_FIBER 0x10E6
42 #define E1000_DEV_ID_82576_SERDES 0x10E7
43 #define E1000_DEV_ID_82575EB_COPPER 0x10A7
44 #define E1000_DEV_ID_82575EB_FIBER_SERDES 0x10A9
45 #define E1000_DEV_ID_82575GB_QUAD_COPPER 0x10D6
47 #define E1000_REVISION_2 2
48 #define E1000_REVISION_4 4
50 #define E1000_FUNC_1 1
56 e1000_num_macs /* List is 1-based, so subtract 1 for true count. */
59 enum e1000_media_type {
60 e1000_media_type_unknown = 0,
61 e1000_media_type_copper = 1,
62 e1000_media_type_fiber = 2,
63 e1000_media_type_internal_serdes = 3,
68 e1000_nvm_unknown = 0,
71 e1000_nvm_eeprom_microwire,
76 enum e1000_nvm_override {
77 e1000_nvm_override_none = 0,
78 e1000_nvm_override_spi_small,
79 e1000_nvm_override_spi_large,
80 e1000_nvm_override_microwire_small,
81 e1000_nvm_override_microwire_large
85 e1000_phy_unknown = 0,
96 e1000_bus_type_unknown = 0,
99 e1000_bus_type_pci_express,
100 e1000_bus_type_reserved
103 enum e1000_bus_speed {
104 e1000_bus_speed_unknown = 0,
110 e1000_bus_speed_2500,
111 e1000_bus_speed_5000,
112 e1000_bus_speed_reserved
115 enum e1000_bus_width {
116 e1000_bus_width_unknown = 0,
117 e1000_bus_width_pcie_x1,
118 e1000_bus_width_pcie_x2,
119 e1000_bus_width_pcie_x4 = 4,
120 e1000_bus_width_pcie_x8 = 8,
123 e1000_bus_width_reserved
126 enum e1000_1000t_rx_status {
127 e1000_1000t_rx_status_not_ok = 0,
128 e1000_1000t_rx_status_ok,
129 e1000_1000t_rx_status_undefined = 0xFF
132 enum e1000_rev_polarity {
133 e1000_rev_polarity_normal = 0,
134 e1000_rev_polarity_reversed,
135 e1000_rev_polarity_undefined = 0xFF
143 e1000_fc_default = 0xFF
146 /* Statistics counters collected by the MAC */
147 struct e1000_hw_stats {
226 struct e1000_phy_stats {
231 struct e1000_host_mng_dhcp_cookie {
242 /* Host Interface "Rev 1" */
243 struct e1000_host_command_header {
250 #define E1000_HI_MAX_DATA_LENGTH 252
251 struct e1000_host_command_info {
252 struct e1000_host_command_header command_header;
253 u8 command_data[E1000_HI_MAX_DATA_LENGTH];
256 /* Host Interface "Rev 2" */
257 struct e1000_host_mng_command_header {
265 #define E1000_HI_MAX_MNG_DATA_LENGTH 0x6F8
266 struct e1000_host_mng_command_info {
267 struct e1000_host_mng_command_header command_header;
268 u8 command_data[E1000_HI_MAX_MNG_DATA_LENGTH];
271 #include "e1000_mac.h"
272 #include "e1000_phy.h"
273 #include "e1000_nvm.h"
274 #include "e1000_mbx.h"
276 struct e1000_mac_operations {
277 s32 (*check_for_link)(struct e1000_hw *);
278 s32 (*reset_hw)(struct e1000_hw *);
279 s32 (*init_hw)(struct e1000_hw *);
280 bool (*check_mng_mode)(struct e1000_hw *);
281 s32 (*setup_physical_interface)(struct e1000_hw *);
282 void (*rar_set)(struct e1000_hw *, u8 *, u32);
283 s32 (*read_mac_addr)(struct e1000_hw *);
284 s32 (*get_speed_and_duplex)(struct e1000_hw *, u16 *, u16 *);
287 struct e1000_phy_operations {
288 s32 (*acquire)(struct e1000_hw *);
289 s32 (*check_reset_block)(struct e1000_hw *);
290 s32 (*force_speed_duplex)(struct e1000_hw *);
291 s32 (*get_cfg_done)(struct e1000_hw *hw);
292 s32 (*get_cable_length)(struct e1000_hw *);
293 s32 (*get_phy_info)(struct e1000_hw *);
294 s32 (*read_reg)(struct e1000_hw *, u32, u16 *);
295 void (*release)(struct e1000_hw *);
296 s32 (*reset)(struct e1000_hw *);
297 s32 (*set_d0_lplu_state)(struct e1000_hw *, bool);
298 s32 (*set_d3_lplu_state)(struct e1000_hw *, bool);
299 s32 (*write_reg)(struct e1000_hw *, u32, u16);
302 struct e1000_nvm_operations {
303 s32 (*acquire)(struct e1000_hw *);
304 s32 (*read)(struct e1000_hw *, u16, u16, u16 *);
305 void (*release)(struct e1000_hw *);
306 s32 (*write)(struct e1000_hw *, u16, u16, u16 *);
310 s32 (*get_invariants)(struct e1000_hw *);
311 struct e1000_mac_operations *mac_ops;
312 struct e1000_phy_operations *phy_ops;
313 struct e1000_nvm_operations *nvm_ops;
316 extern const struct e1000_info e1000_82575_info;
318 struct e1000_mac_info {
319 struct e1000_mac_operations ops;
324 enum e1000_mac_type type;
342 u8 forced_speed_duplex;
345 bool arc_subsystem_valid;
346 bool asf_firmware_present;
349 bool disable_hw_init_bits;
350 bool get_link_status;
351 bool ifs_params_forced;
353 bool report_tx_early;
354 bool serdes_has_link;
355 bool tx_pkt_filtering;
358 struct e1000_phy_info {
359 struct e1000_phy_operations ops;
361 enum e1000_phy_type type;
363 enum e1000_1000t_rx_status local_rx;
364 enum e1000_1000t_rx_status remote_rx;
365 enum e1000_ms_type ms_type;
366 enum e1000_ms_type original_ms_type;
367 enum e1000_rev_polarity cable_polarity;
368 enum e1000_smart_speed smart_speed;
372 u32 reset_delay_us; /* in usec */
375 enum e1000_media_type media_type;
377 u16 autoneg_advertised;
380 u16 max_cable_length;
381 u16 min_cable_length;
385 bool disable_polarity_correction;
387 bool polarity_correction;
389 bool speed_downgraded;
390 bool autoneg_wait_to_complete;
393 struct e1000_nvm_info {
394 struct e1000_nvm_operations ops;
396 enum e1000_nvm_type type;
397 enum e1000_nvm_override override;
409 struct e1000_bus_info {
410 enum e1000_bus_type type;
411 enum e1000_bus_speed speed;
412 enum e1000_bus_width width;
420 struct e1000_fc_info {
421 u32 high_water; /* Flow control high-water mark */
422 u32 low_water; /* Flow control low-water mark */
423 u16 pause_time; /* Flow control pause timer */
424 bool send_xon; /* Flow control send XON */
425 bool strict_ieee; /* Strict IEEE mode */
426 enum e1000_fc_type type; /* Type of flow control */
427 enum e1000_fc_type original_type;
430 struct e1000_mbx_operations {
431 s32 (*init_params)(struct e1000_hw *hw);
432 s32 (*read)(struct e1000_hw *, u32 *, u16, u16);
433 s32 (*write)(struct e1000_hw *, u32 *, u16, u16);
434 s32 (*read_posted)(struct e1000_hw *, u32 *, u16, u16);
435 s32 (*write_posted)(struct e1000_hw *, u32 *, u16, u16);
436 s32 (*check_for_msg)(struct e1000_hw *, u16);
437 s32 (*check_for_ack)(struct e1000_hw *, u16);
438 s32 (*check_for_rst)(struct e1000_hw *, u16);
441 struct e1000_mbx_stats {
450 struct e1000_mbx_info {
451 struct e1000_mbx_operations ops;
452 struct e1000_mbx_stats stats;
458 struct e1000_dev_spec_82575 {
466 u8 __iomem *flash_address;
467 unsigned long io_base;
469 struct e1000_mac_info mac;
470 struct e1000_fc_info fc;
471 struct e1000_phy_info phy;
472 struct e1000_nvm_info nvm;
473 struct e1000_bus_info bus;
474 struct e1000_mbx_info mbx;
475 struct e1000_host_mng_dhcp_cookie mng_cookie;
478 struct e1000_dev_spec_82575 _82575;
482 u16 subsystem_vendor_id;
483 u16 subsystem_device_id;
490 extern char *igb_get_hw_dev_name(struct e1000_hw *hw);
491 #define hw_dbg(format, arg...) \
492 printk(KERN_DEBUG "%s: " format, igb_get_hw_dev_name(hw), ##arg)
494 #define hw_dbg(format, arg...)