Merge tag 'pci-v4.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
[deliverable/linux.git] / drivers / net / ethernet / intel / igb / e1000_hw.h
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1/* Intel(R) Gigabit Ethernet Linux driver
2 * Copyright(c) 2007-2014 Intel Corporation.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 *
7 * This program is distributed in the hope it will be useful, but WITHOUT
8 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
9 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
10 * more details.
11 *
12 * You should have received a copy of the GNU General Public License along with
13 * this program; if not, see <http://www.gnu.org/licenses/>.
14 *
15 * The full GNU General Public License is included in this distribution in
16 * the file called "COPYING".
17 *
18 * Contact Information:
19 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
20 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
21 */
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22
23#ifndef _E1000_HW_H_
24#define _E1000_HW_H_
25
26#include <linux/types.h>
27#include <linux/delay.h>
28#include <linux/io.h>
c041076a 29#include <linux/netdevice.h>
9d5c8243 30
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31#include "e1000_regs.h"
32#include "e1000_defines.h"
33
34struct e1000_hw;
35
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36#define E1000_DEV_ID_82576 0x10C9
37#define E1000_DEV_ID_82576_FIBER 0x10E6
38#define E1000_DEV_ID_82576_SERDES 0x10E7
39#define E1000_DEV_ID_82576_QUAD_COPPER 0x10E8
40#define E1000_DEV_ID_82576_QUAD_COPPER_ET2 0x1526
41#define E1000_DEV_ID_82576_NS 0x150A
42#define E1000_DEV_ID_82576_NS_SERDES 0x1518
43#define E1000_DEV_ID_82576_SERDES_QUAD 0x150D
44#define E1000_DEV_ID_82575EB_COPPER 0x10A7
45#define E1000_DEV_ID_82575EB_FIBER_SERDES 0x10A9
46#define E1000_DEV_ID_82575GB_QUAD_COPPER 0x10D6
47#define E1000_DEV_ID_82580_COPPER 0x150E
48#define E1000_DEV_ID_82580_FIBER 0x150F
49#define E1000_DEV_ID_82580_SERDES 0x1510
50#define E1000_DEV_ID_82580_SGMII 0x1511
51#define E1000_DEV_ID_82580_COPPER_DUAL 0x1516
52#define E1000_DEV_ID_82580_QUAD_FIBER 0x1527
53#define E1000_DEV_ID_DH89XXCC_SGMII 0x0438
54#define E1000_DEV_ID_DH89XXCC_SERDES 0x043A
55#define E1000_DEV_ID_DH89XXCC_BACKPLANE 0x043C
56#define E1000_DEV_ID_DH89XXCC_SFP 0x0440
57#define E1000_DEV_ID_I350_COPPER 0x1521
58#define E1000_DEV_ID_I350_FIBER 0x1522
59#define E1000_DEV_ID_I350_SERDES 0x1523
60#define E1000_DEV_ID_I350_SGMII 0x1524
f96a8a0b 61#define E1000_DEV_ID_I210_COPPER 0x1533
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62#define E1000_DEV_ID_I210_FIBER 0x1536
63#define E1000_DEV_ID_I210_SERDES 0x1537
64#define E1000_DEV_ID_I210_SGMII 0x1538
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65#define E1000_DEV_ID_I210_COPPER_FLASHLESS 0x157B
66#define E1000_DEV_ID_I210_SERDES_FLASHLESS 0x157C
f96a8a0b 67#define E1000_DEV_ID_I211_COPPER 0x1539
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68#define E1000_DEV_ID_I354_BACKPLANE_1GBPS 0x1F40
69#define E1000_DEV_ID_I354_SGMII 0x1F41
70#define E1000_DEV_ID_I354_BACKPLANE_2_5GBPS 0x1F45
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71
72#define E1000_REVISION_2 2
73#define E1000_REVISION_4 4
74
70d92f86 75#define E1000_FUNC_0 0
9d5c8243 76#define E1000_FUNC_1 1
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77#define E1000_FUNC_2 2
78#define E1000_FUNC_3 3
9d5c8243 79
bb2ac47b 80#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0 0
22896639 81#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1 3
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82#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN2 6
83#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN3 9
22896639 84
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85enum e1000_mac_type {
86 e1000_undefined = 0,
87 e1000_82575,
2d064c06 88 e1000_82576,
bb2ac47b 89 e1000_82580,
d2ba2ed8 90 e1000_i350,
ceb5f13b 91 e1000_i354,
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92 e1000_i210,
93 e1000_i211,
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94 e1000_num_macs /* List is 1-based, so subtract 1 for true count. */
95};
96
97enum e1000_media_type {
98 e1000_media_type_unknown = 0,
99 e1000_media_type_copper = 1,
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100 e1000_media_type_fiber = 2,
101 e1000_media_type_internal_serdes = 3,
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102 e1000_num_media_types
103};
104
105enum e1000_nvm_type {
106 e1000_nvm_unknown = 0,
107 e1000_nvm_none,
108 e1000_nvm_eeprom_spi,
9d5c8243 109 e1000_nvm_flash_hw,
5a823d8c 110 e1000_nvm_invm,
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111 e1000_nvm_flash_sw
112};
113
114enum e1000_nvm_override {
115 e1000_nvm_override_none = 0,
116 e1000_nvm_override_spi_small,
117 e1000_nvm_override_spi_large,
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118};
119
120enum e1000_phy_type {
121 e1000_phy_unknown = 0,
122 e1000_phy_none,
123 e1000_phy_m88,
124 e1000_phy_igp,
125 e1000_phy_igp_2,
126 e1000_phy_gg82563,
127 e1000_phy_igp_3,
128 e1000_phy_ife,
2909c3f7 129 e1000_phy_82580,
f96a8a0b 130 e1000_phy_i210,
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131};
132
133enum e1000_bus_type {
134 e1000_bus_type_unknown = 0,
135 e1000_bus_type_pci,
136 e1000_bus_type_pcix,
137 e1000_bus_type_pci_express,
138 e1000_bus_type_reserved
139};
140
141enum e1000_bus_speed {
142 e1000_bus_speed_unknown = 0,
143 e1000_bus_speed_33,
144 e1000_bus_speed_66,
145 e1000_bus_speed_100,
146 e1000_bus_speed_120,
147 e1000_bus_speed_133,
148 e1000_bus_speed_2500,
149 e1000_bus_speed_5000,
150 e1000_bus_speed_reserved
151};
152
153enum e1000_bus_width {
154 e1000_bus_width_unknown = 0,
155 e1000_bus_width_pcie_x1,
156 e1000_bus_width_pcie_x2,
157 e1000_bus_width_pcie_x4 = 4,
158 e1000_bus_width_pcie_x8 = 8,
159 e1000_bus_width_32,
160 e1000_bus_width_64,
161 e1000_bus_width_reserved
162};
163
164enum e1000_1000t_rx_status {
165 e1000_1000t_rx_status_not_ok = 0,
166 e1000_1000t_rx_status_ok,
167 e1000_1000t_rx_status_undefined = 0xFF
168};
169
170enum e1000_rev_polarity {
171 e1000_rev_polarity_normal = 0,
172 e1000_rev_polarity_reversed,
173 e1000_rev_polarity_undefined = 0xFF
174};
175
0cce119a 176enum e1000_fc_mode {
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177 e1000_fc_none = 0,
178 e1000_fc_rx_pause,
179 e1000_fc_tx_pause,
180 e1000_fc_full,
181 e1000_fc_default = 0xFF
182};
183
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184/* Statistics counters collected by the MAC */
185struct e1000_hw_stats {
186 u64 crcerrs;
187 u64 algnerrc;
188 u64 symerrs;
189 u64 rxerrc;
190 u64 mpc;
191 u64 scc;
192 u64 ecol;
193 u64 mcc;
194 u64 latecol;
195 u64 colc;
196 u64 dc;
197 u64 tncrs;
198 u64 sec;
199 u64 cexterr;
200 u64 rlec;
201 u64 xonrxc;
202 u64 xontxc;
203 u64 xoffrxc;
204 u64 xofftxc;
205 u64 fcruc;
206 u64 prc64;
207 u64 prc127;
208 u64 prc255;
209 u64 prc511;
210 u64 prc1023;
211 u64 prc1522;
212 u64 gprc;
213 u64 bprc;
214 u64 mprc;
215 u64 gptc;
216 u64 gorc;
217 u64 gotc;
218 u64 rnbc;
219 u64 ruc;
220 u64 rfc;
221 u64 roc;
222 u64 rjc;
223 u64 mgprc;
224 u64 mgpdc;
225 u64 mgptc;
226 u64 tor;
227 u64 tot;
228 u64 tpr;
229 u64 tpt;
230 u64 ptc64;
231 u64 ptc127;
232 u64 ptc255;
233 u64 ptc511;
234 u64 ptc1023;
235 u64 ptc1522;
236 u64 mptc;
237 u64 bptc;
238 u64 tsctc;
239 u64 tsctfc;
240 u64 iac;
241 u64 icrxptc;
242 u64 icrxatc;
243 u64 ictxptc;
244 u64 ictxatc;
245 u64 ictxqec;
246 u64 ictxqmtc;
247 u64 icrxdmtc;
248 u64 icrxoc;
249 u64 cbtmpc;
250 u64 htdpmc;
251 u64 cbrdpc;
252 u64 cbrmpc;
253 u64 rpthc;
254 u64 hgptc;
255 u64 htcbdpc;
256 u64 hgorc;
257 u64 hgotc;
258 u64 lenerrs;
259 u64 scvpc;
260 u64 hrmpc;
dda0e083 261 u64 doosync;
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262 u64 o2bgptc;
263 u64 o2bspc;
264 u64 b2ospc;
265 u64 b2ogprc;
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266};
267
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268struct e1000_host_mng_dhcp_cookie {
269 u32 signature;
270 u8 status;
271 u8 reserved0;
272 u16 vlan_id;
273 u32 reserved1;
274 u16 reserved2;
275 u8 reserved3;
276 u8 checksum;
277};
278
279/* Host Interface "Rev 1" */
280struct e1000_host_command_header {
281 u8 command_id;
282 u8 command_length;
283 u8 command_options;
284 u8 checksum;
285};
286
287#define E1000_HI_MAX_DATA_LENGTH 252
288struct e1000_host_command_info {
289 struct e1000_host_command_header command_header;
290 u8 command_data[E1000_HI_MAX_DATA_LENGTH];
291};
292
293/* Host Interface "Rev 2" */
294struct e1000_host_mng_command_header {
295 u8 command_id;
296 u8 checksum;
297 u16 reserved1;
298 u16 reserved2;
299 u16 command_length;
300};
301
302#define E1000_HI_MAX_MNG_DATA_LENGTH 0x6F8
303struct e1000_host_mng_command_info {
304 struct e1000_host_mng_command_header command_header;
305 u8 command_data[E1000_HI_MAX_MNG_DATA_LENGTH];
306};
307
308#include "e1000_mac.h"
309#include "e1000_phy.h"
310#include "e1000_nvm.h"
4ae196df 311#include "e1000_mbx.h"
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312
313struct e1000_mac_operations {
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314 s32 (*check_for_link)(struct e1000_hw *);
315 s32 (*reset_hw)(struct e1000_hw *);
316 s32 (*init_hw)(struct e1000_hw *);
2d064c06 317 bool (*check_mng_mode)(struct e1000_hw *);
9005df38 318 s32 (*setup_physical_interface)(struct e1000_hw *);
9d5c8243 319 void (*rar_set)(struct e1000_hw *, u8 *, u32);
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320 s32 (*read_mac_addr)(struct e1000_hw *);
321 s32 (*get_speed_and_duplex)(struct e1000_hw *, u16 *, u16 *);
322 s32 (*acquire_swfw_sync)(struct e1000_hw *, u16);
f96a8a0b 323 void (*release_swfw_sync)(struct e1000_hw *, u16);
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324#ifdef CONFIG_IGB_HWMON
325 s32 (*get_thermal_sensor_data)(struct e1000_hw *);
326 s32 (*init_thermal_sensor_thresh)(struct e1000_hw *);
327#endif
f96a8a0b 328
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329};
330
331struct e1000_phy_operations {
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332 s32 (*acquire)(struct e1000_hw *);
333 s32 (*check_polarity)(struct e1000_hw *);
334 s32 (*check_reset_block)(struct e1000_hw *);
335 s32 (*force_speed_duplex)(struct e1000_hw *);
336 s32 (*get_cfg_done)(struct e1000_hw *hw);
337 s32 (*get_cable_length)(struct e1000_hw *);
338 s32 (*get_phy_info)(struct e1000_hw *);
339 s32 (*read_reg)(struct e1000_hw *, u32, u16 *);
a8d2a0c2 340 void (*release)(struct e1000_hw *);
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341 s32 (*reset)(struct e1000_hw *);
342 s32 (*set_d0_lplu_state)(struct e1000_hw *, bool);
343 s32 (*set_d3_lplu_state)(struct e1000_hw *, bool);
344 s32 (*write_reg)(struct e1000_hw *, u32, u16);
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345 s32 (*read_i2c_byte)(struct e1000_hw *, u8, u8, u8 *);
346 s32 (*write_i2c_byte)(struct e1000_hw *, u8, u8, u8);
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347};
348
349struct e1000_nvm_operations {
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350 s32 (*acquire)(struct e1000_hw *);
351 s32 (*read)(struct e1000_hw *, u16, u16, u16 *);
312c75ae 352 void (*release)(struct e1000_hw *);
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353 s32 (*write)(struct e1000_hw *, u16, u16, u16 *);
354 s32 (*update)(struct e1000_hw *);
355 s32 (*validate)(struct e1000_hw *);
356 s32 (*valid_led_default)(struct e1000_hw *, u16 *);
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357};
358
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359#define E1000_MAX_SENSORS 3
360
361struct e1000_thermal_diode_data {
362 u8 location;
363 u8 temp;
364 u8 caution_thresh;
365 u8 max_op_thresh;
366};
367
368struct e1000_thermal_sensor_data {
369 struct e1000_thermal_diode_data sensor[E1000_MAX_SENSORS];
370};
371
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372struct e1000_info {
373 s32 (*get_invariants)(struct e1000_hw *);
374 struct e1000_mac_operations *mac_ops;
375 struct e1000_phy_operations *phy_ops;
376 struct e1000_nvm_operations *nvm_ops;
377};
378
379extern const struct e1000_info e1000_82575_info;
380
381struct e1000_mac_info {
382 struct e1000_mac_operations ops;
383
384 u8 addr[6];
385 u8 perm_addr[6];
386
387 enum e1000_mac_type type;
388
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389 u32 ledctl_default;
390 u32 ledctl_mode1;
391 u32 ledctl_mode2;
392 u32 mc_filter_type;
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393 u32 txcw;
394
9d5c8243 395 u16 mta_reg_count;
68d480c4 396 u16 uta_reg_count;
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397
398 /* Maximum size of the MTA register table in all supported adapters */
399 #define MAX_MTA_REG 128
400 u32 mta_shadow[MAX_MTA_REG];
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401 u16 rar_entry_count;
402
403 u8 forced_speed_duplex;
404
405 bool adaptive_ifs;
406 bool arc_subsystem_valid;
407 bool asf_firmware_present;
408 bool autoneg;
409 bool autoneg_failed;
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410 bool disable_hw_init_bits;
411 bool get_link_status;
412 bool ifs_params_forced;
413 bool in_ifs_mode;
414 bool report_tx_early;
415 bool serdes_has_link;
416 bool tx_pkt_filtering;
aca5dae8 417 struct e1000_thermal_sensor_data thermal_sensor_data;
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418};
419
420struct e1000_phy_info {
421 struct e1000_phy_operations ops;
422
423 enum e1000_phy_type type;
424
425 enum e1000_1000t_rx_status local_rx;
426 enum e1000_1000t_rx_status remote_rx;
427 enum e1000_ms_type ms_type;
428 enum e1000_ms_type original_ms_type;
429 enum e1000_rev_polarity cable_polarity;
430 enum e1000_smart_speed smart_speed;
431
432 u32 addr;
433 u32 id;
434 u32 reset_delay_us; /* in usec */
435 u32 revision;
436
437 enum e1000_media_type media_type;
438
439 u16 autoneg_advertised;
440 u16 autoneg_mask;
441 u16 cable_length;
442 u16 max_cable_length;
443 u16 min_cable_length;
444
445 u8 mdix;
446
447 bool disable_polarity_correction;
448 bool is_mdix;
449 bool polarity_correction;
450 bool reset_disable;
451 bool speed_downgraded;
452 bool autoneg_wait_to_complete;
453};
454
455struct e1000_nvm_info {
456 struct e1000_nvm_operations ops;
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457 enum e1000_nvm_type type;
458 enum e1000_nvm_override override;
459
460 u32 flash_bank_size;
461 u32 flash_base_addr;
462
463 u16 word_size;
464 u16 delay_usec;
465 u16 address_bits;
466 u16 opcode_bits;
467 u16 page_size;
468};
469
470struct e1000_bus_info {
471 enum e1000_bus_type type;
472 enum e1000_bus_speed speed;
473 enum e1000_bus_width width;
474
475 u32 snoop;
476
477 u16 func;
478 u16 pci_cmd_word;
479};
480
481struct e1000_fc_info {
482 u32 high_water; /* Flow control high-water mark */
483 u32 low_water; /* Flow control low-water mark */
484 u16 pause_time; /* Flow control pause timer */
485 bool send_xon; /* Flow control send XON */
486 bool strict_ieee; /* Strict IEEE mode */
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487 enum e1000_fc_mode current_mode; /* Type of flow control */
488 enum e1000_fc_mode requested_mode;
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489};
490
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491struct e1000_mbx_operations {
492 s32 (*init_params)(struct e1000_hw *hw);
493 s32 (*read)(struct e1000_hw *, u32 *, u16, u16);
494 s32 (*write)(struct e1000_hw *, u32 *, u16, u16);
495 s32 (*read_posted)(struct e1000_hw *, u32 *, u16, u16);
496 s32 (*write_posted)(struct e1000_hw *, u32 *, u16, u16);
497 s32 (*check_for_msg)(struct e1000_hw *, u16);
498 s32 (*check_for_ack)(struct e1000_hw *, u16);
499 s32 (*check_for_rst)(struct e1000_hw *, u16);
500};
501
502struct e1000_mbx_stats {
503 u32 msgs_tx;
504 u32 msgs_rx;
505
506 u32 acks;
507 u32 reqs;
508 u32 rsts;
509};
510
511struct e1000_mbx_info {
512 struct e1000_mbx_operations ops;
513 struct e1000_mbx_stats stats;
514 u32 timeout;
515 u32 usec_delay;
516 u16 size;
517};
518
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519struct e1000_dev_spec_82575 {
520 bool sgmii_active;
bb2ac47b 521 bool global_device_reset;
09b068d4 522 bool eee_disable;
d44e7a9a 523 bool clear_semaphore_once;
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524 struct e1000_sfp_flags eth_flags;
525 bool module_plugged;
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526 u8 media_port;
527 bool media_changed;
56cec249 528 bool mas_capable;
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529};
530
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531struct e1000_hw {
532 void *back;
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533
534 u8 __iomem *hw_addr;
535 u8 __iomem *flash_address;
536 unsigned long io_base;
537
538 struct e1000_mac_info mac;
539 struct e1000_fc_info fc;
540 struct e1000_phy_info phy;
541 struct e1000_nvm_info nvm;
542 struct e1000_bus_info bus;
4ae196df 543 struct e1000_mbx_info mbx;
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544 struct e1000_host_mng_dhcp_cookie mng_cookie;
545
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546 union {
547 struct e1000_dev_spec_82575 _82575;
548 } dev_spec;
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549
550 u16 device_id;
551 u16 subsystem_vendor_id;
552 u16 subsystem_device_id;
553 u16 vendor_id;
554
555 u8 revision_id;
556};
557
5ccc921a 558struct net_device *igb_get_hw_dev(struct e1000_hw *hw);
652fff32 559#define hw_dbg(format, arg...) \
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560 netdev_dbg(igb_get_hw_dev(hw), format, ##arg)
561
009bc06e 562/* These functions must be implemented by drivers */
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563s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
564s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
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565
566void igb_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value);
567void igb_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value);
c041076a 568#endif /* _E1000_HW_H_ */
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