1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2007 - 2018 Intel Corporation. */
3 
4 #ifndef _E1000_HW_H_
5 #define _E1000_HW_H_
6 
7 #include <linux/types.h>
8 #include <linux/delay.h>
9 #include <linux/io.h>
10 #include <linux/netdevice.h>
11 
12 #include "e1000_regs.h"
13 #include "e1000_defines.h"
14 
15 struct e1000_hw;
16 
17 #define E1000_DEV_ID_82576			0x10C9
18 #define E1000_DEV_ID_82576_FIBER		0x10E6
19 #define E1000_DEV_ID_82576_SERDES		0x10E7
20 #define E1000_DEV_ID_82576_QUAD_COPPER		0x10E8
21 #define E1000_DEV_ID_82576_QUAD_COPPER_ET2	0x1526
22 #define E1000_DEV_ID_82576_NS			0x150A
23 #define E1000_DEV_ID_82576_NS_SERDES		0x1518
24 #define E1000_DEV_ID_82576_SERDES_QUAD		0x150D
25 #define E1000_DEV_ID_82575EB_COPPER		0x10A7
26 #define E1000_DEV_ID_82575EB_FIBER_SERDES	0x10A9
27 #define E1000_DEV_ID_82575GB_QUAD_COPPER	0x10D6
28 #define E1000_DEV_ID_82580_COPPER		0x150E
29 #define E1000_DEV_ID_82580_FIBER		0x150F
30 #define E1000_DEV_ID_82580_SERDES		0x1510
31 #define E1000_DEV_ID_82580_SGMII		0x1511
32 #define E1000_DEV_ID_82580_COPPER_DUAL		0x1516
33 #define E1000_DEV_ID_82580_QUAD_FIBER		0x1527
34 #define E1000_DEV_ID_DH89XXCC_SGMII		0x0438
35 #define E1000_DEV_ID_DH89XXCC_SERDES		0x043A
36 #define E1000_DEV_ID_DH89XXCC_BACKPLANE		0x043C
37 #define E1000_DEV_ID_DH89XXCC_SFP		0x0440
38 #define E1000_DEV_ID_I350_COPPER		0x1521
39 #define E1000_DEV_ID_I350_FIBER			0x1522
40 #define E1000_DEV_ID_I350_SERDES		0x1523
41 #define E1000_DEV_ID_I350_SGMII			0x1524
42 #define E1000_DEV_ID_I210_COPPER		0x1533
43 #define E1000_DEV_ID_I210_FIBER			0x1536
44 #define E1000_DEV_ID_I210_SERDES		0x1537
45 #define E1000_DEV_ID_I210_SGMII			0x1538
46 #define E1000_DEV_ID_I210_COPPER_FLASHLESS	0x157B
47 #define E1000_DEV_ID_I210_SERDES_FLASHLESS	0x157C
48 #define E1000_DEV_ID_I211_COPPER		0x1539
49 #define E1000_DEV_ID_I354_BACKPLANE_1GBPS	0x1F40
50 #define E1000_DEV_ID_I354_SGMII			0x1F41
51 #define E1000_DEV_ID_I354_BACKPLANE_2_5GBPS	0x1F45
52 
53 #define E1000_REVISION_2 2
54 #define E1000_REVISION_4 4
55 
56 #define E1000_FUNC_0     0
57 #define E1000_FUNC_1     1
58 #define E1000_FUNC_2     2
59 #define E1000_FUNC_3     3
60 
61 #define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0   0
62 #define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1   3
63 #define E1000_ALT_MAC_ADDRESS_OFFSET_LAN2   6
64 #define E1000_ALT_MAC_ADDRESS_OFFSET_LAN3   9
65 
66 enum e1000_mac_type {
67 	e1000_undefined = 0,
68 	e1000_82575,
69 	e1000_82576,
70 	e1000_82580,
71 	e1000_i350,
72 	e1000_i354,
73 	e1000_i210,
74 	e1000_i211,
75 	e1000_num_macs  /* List is 1-based, so subtract 1 for true count. */
76 };
77 
78 enum e1000_media_type {
79 	e1000_media_type_unknown = 0,
80 	e1000_media_type_copper = 1,
81 	e1000_media_type_fiber = 2,
82 	e1000_media_type_internal_serdes = 3,
83 	e1000_num_media_types
84 };
85 
86 enum e1000_nvm_type {
87 	e1000_nvm_unknown = 0,
88 	e1000_nvm_none,
89 	e1000_nvm_eeprom_spi,
90 	e1000_nvm_flash_hw,
91 	e1000_nvm_invm,
92 	e1000_nvm_flash_sw
93 };
94 
95 enum e1000_nvm_override {
96 	e1000_nvm_override_none = 0,
97 	e1000_nvm_override_spi_small,
98 	e1000_nvm_override_spi_large,
99 };
100 
101 enum e1000_phy_type {
102 	e1000_phy_unknown = 0,
103 	e1000_phy_none,
104 	e1000_phy_m88,
105 	e1000_phy_igp,
106 	e1000_phy_igp_2,
107 	e1000_phy_gg82563,
108 	e1000_phy_igp_3,
109 	e1000_phy_ife,
110 	e1000_phy_82580,
111 	e1000_phy_i210,
112 	e1000_phy_bcm54616,
113 };
114 
115 enum e1000_bus_type {
116 	e1000_bus_type_unknown = 0,
117 	e1000_bus_type_pci,
118 	e1000_bus_type_pcix,
119 	e1000_bus_type_pci_express,
120 	e1000_bus_type_reserved
121 };
122 
123 enum e1000_bus_speed {
124 	e1000_bus_speed_unknown = 0,
125 	e1000_bus_speed_33,
126 	e1000_bus_speed_66,
127 	e1000_bus_speed_100,
128 	e1000_bus_speed_120,
129 	e1000_bus_speed_133,
130 	e1000_bus_speed_2500,
131 	e1000_bus_speed_5000,
132 	e1000_bus_speed_reserved
133 };
134 
135 enum e1000_bus_width {
136 	e1000_bus_width_unknown = 0,
137 	e1000_bus_width_pcie_x1,
138 	e1000_bus_width_pcie_x2,
139 	e1000_bus_width_pcie_x4 = 4,
140 	e1000_bus_width_pcie_x8 = 8,
141 	e1000_bus_width_32,
142 	e1000_bus_width_64,
143 	e1000_bus_width_reserved
144 };
145 
146 enum e1000_1000t_rx_status {
147 	e1000_1000t_rx_status_not_ok = 0,
148 	e1000_1000t_rx_status_ok,
149 	e1000_1000t_rx_status_undefined = 0xFF
150 };
151 
152 enum e1000_rev_polarity {
153 	e1000_rev_polarity_normal = 0,
154 	e1000_rev_polarity_reversed,
155 	e1000_rev_polarity_undefined = 0xFF
156 };
157 
158 enum e1000_fc_mode {
159 	e1000_fc_none = 0,
160 	e1000_fc_rx_pause,
161 	e1000_fc_tx_pause,
162 	e1000_fc_full,
163 	e1000_fc_default = 0xFF
164 };
165 
166 /* Statistics counters collected by the MAC */
167 struct e1000_hw_stats {
168 	u64 crcerrs;
169 	u64 algnerrc;
170 	u64 symerrs;
171 	u64 rxerrc;
172 	u64 mpc;
173 	u64 scc;
174 	u64 ecol;
175 	u64 mcc;
176 	u64 latecol;
177 	u64 colc;
178 	u64 dc;
179 	u64 tncrs;
180 	u64 sec;
181 	u64 cexterr;
182 	u64 rlec;
183 	u64 xonrxc;
184 	u64 xontxc;
185 	u64 xoffrxc;
186 	u64 xofftxc;
187 	u64 fcruc;
188 	u64 prc64;
189 	u64 prc127;
190 	u64 prc255;
191 	u64 prc511;
192 	u64 prc1023;
193 	u64 prc1522;
194 	u64 gprc;
195 	u64 bprc;
196 	u64 mprc;
197 	u64 gptc;
198 	u64 gorc;
199 	u64 gotc;
200 	u64 rnbc;
201 	u64 ruc;
202 	u64 rfc;
203 	u64 roc;
204 	u64 rjc;
205 	u64 mgprc;
206 	u64 mgpdc;
207 	u64 mgptc;
208 	u64 tor;
209 	u64 tot;
210 	u64 tpr;
211 	u64 tpt;
212 	u64 ptc64;
213 	u64 ptc127;
214 	u64 ptc255;
215 	u64 ptc511;
216 	u64 ptc1023;
217 	u64 ptc1522;
218 	u64 mptc;
219 	u64 bptc;
220 	u64 tsctc;
221 	u64 tsctfc;
222 	u64 iac;
223 	u64 icrxptc;
224 	u64 icrxatc;
225 	u64 ictxptc;
226 	u64 ictxatc;
227 	u64 ictxqec;
228 	u64 ictxqmtc;
229 	u64 icrxdmtc;
230 	u64 icrxoc;
231 	u64 cbtmpc;
232 	u64 htdpmc;
233 	u64 cbrdpc;
234 	u64 cbrmpc;
235 	u64 rpthc;
236 	u64 hgptc;
237 	u64 htcbdpc;
238 	u64 hgorc;
239 	u64 hgotc;
240 	u64 lenerrs;
241 	u64 scvpc;
242 	u64 hrmpc;
243 	u64 doosync;
244 	u64 o2bgptc;
245 	u64 o2bspc;
246 	u64 b2ospc;
247 	u64 b2ogprc;
248 };
249 
250 struct e1000_host_mng_dhcp_cookie {
251 	u32 signature;
252 	u8  status;
253 	u8  reserved0;
254 	u16 vlan_id;
255 	u32 reserved1;
256 	u16 reserved2;
257 	u8  reserved3;
258 	u8  checksum;
259 };
260 
261 /* Host Interface "Rev 1" */
262 struct e1000_host_command_header {
263 	u8 command_id;
264 	u8 command_length;
265 	u8 command_options;
266 	u8 checksum;
267 };
268 
269 #define E1000_HI_MAX_DATA_LENGTH     252
270 struct e1000_host_command_info {
271 	struct e1000_host_command_header command_header;
272 	u8 command_data[E1000_HI_MAX_DATA_LENGTH];
273 };
274 
275 /* Host Interface "Rev 2" */
276 struct e1000_host_mng_command_header {
277 	u8  command_id;
278 	u8  checksum;
279 	u16 reserved1;
280 	u16 reserved2;
281 	u16 command_length;
282 };
283 
284 #define E1000_HI_MAX_MNG_DATA_LENGTH 0x6F8
285 struct e1000_host_mng_command_info {
286 	struct e1000_host_mng_command_header command_header;
287 	u8 command_data[E1000_HI_MAX_MNG_DATA_LENGTH];
288 };
289 
290 #include "e1000_mac.h"
291 #include "e1000_phy.h"
292 #include "e1000_nvm.h"
293 #include "e1000_mbx.h"
294 
295 struct e1000_mac_operations {
296 	s32 (*check_for_link)(struct e1000_hw *);
297 	s32 (*reset_hw)(struct e1000_hw *);
298 	s32 (*init_hw)(struct e1000_hw *);
299 	bool (*check_mng_mode)(struct e1000_hw *);
300 	s32 (*setup_physical_interface)(struct e1000_hw *);
301 	void (*rar_set)(struct e1000_hw *, u8 *, u32);
302 	s32 (*read_mac_addr)(struct e1000_hw *);
303 	s32 (*get_speed_and_duplex)(struct e1000_hw *, u16 *, u16 *);
304 	s32 (*acquire_swfw_sync)(struct e1000_hw *, u16);
305 	void (*release_swfw_sync)(struct e1000_hw *, u16);
306 #ifdef CONFIG_IGB_HWMON
307 	s32 (*get_thermal_sensor_data)(struct e1000_hw *);
308 	s32 (*init_thermal_sensor_thresh)(struct e1000_hw *);
309 #endif
310 	void (*write_vfta)(struct e1000_hw *, u32, u32);
311 };
312 
313 struct e1000_phy_operations {
314 	s32 (*acquire)(struct e1000_hw *);
315 	s32 (*check_polarity)(struct e1000_hw *);
316 	s32 (*check_reset_block)(struct e1000_hw *);
317 	s32 (*force_speed_duplex)(struct e1000_hw *);
318 	s32 (*get_cfg_done)(struct e1000_hw *hw);
319 	s32 (*get_cable_length)(struct e1000_hw *);
320 	s32 (*get_phy_info)(struct e1000_hw *);
321 	s32 (*read_reg)(struct e1000_hw *, u32, u16 *);
322 	void (*release)(struct e1000_hw *);
323 	s32 (*reset)(struct e1000_hw *);
324 	s32 (*set_d0_lplu_state)(struct e1000_hw *, bool);
325 	s32 (*set_d3_lplu_state)(struct e1000_hw *, bool);
326 	s32 (*write_reg)(struct e1000_hw *, u32, u16);
327 	s32 (*read_i2c_byte)(struct e1000_hw *, u8, u8, u8 *);
328 	s32 (*write_i2c_byte)(struct e1000_hw *, u8, u8, u8);
329 };
330 
331 struct e1000_nvm_operations {
332 	s32 (*acquire)(struct e1000_hw *);
333 	s32 (*read)(struct e1000_hw *, u16, u16, u16 *);
334 	void (*release)(struct e1000_hw *);
335 	s32 (*write)(struct e1000_hw *, u16, u16, u16 *);
336 	s32 (*update)(struct e1000_hw *);
337 	s32 (*validate)(struct e1000_hw *);
338 	s32 (*valid_led_default)(struct e1000_hw *, u16 *);
339 };
340 
341 #define E1000_MAX_SENSORS		3
342 
343 struct e1000_thermal_diode_data {
344 	u8 location;
345 	u8 temp;
346 	u8 caution_thresh;
347 	u8 max_op_thresh;
348 };
349 
350 struct e1000_thermal_sensor_data {
351 	struct e1000_thermal_diode_data sensor[E1000_MAX_SENSORS];
352 };
353 
354 struct e1000_info {
355 	s32 (*get_invariants)(struct e1000_hw *);
356 	struct e1000_mac_operations *mac_ops;
357 	const struct e1000_phy_operations *phy_ops;
358 	struct e1000_nvm_operations *nvm_ops;
359 };
360 
361 extern const struct e1000_info e1000_82575_info;
362 
363 struct e1000_mac_info {
364 	struct e1000_mac_operations ops;
365 
366 	u8 addr[6];
367 	u8 perm_addr[6];
368 
369 	enum e1000_mac_type type;
370 
371 	u32 ledctl_default;
372 	u32 ledctl_mode1;
373 	u32 ledctl_mode2;
374 	u32 mc_filter_type;
375 	u32 txcw;
376 
377 	u16 mta_reg_count;
378 	u16 uta_reg_count;
379 
380 	/* Maximum size of the MTA register table in all supported adapters */
381 	#define MAX_MTA_REG 128
382 	u32 mta_shadow[MAX_MTA_REG];
383 	u16 rar_entry_count;
384 
385 	u8  forced_speed_duplex;
386 
387 	bool adaptive_ifs;
388 	bool arc_subsystem_valid;
389 	bool asf_firmware_present;
390 	bool autoneg;
391 	bool autoneg_failed;
392 	bool disable_hw_init_bits;
393 	bool get_link_status;
394 	bool ifs_params_forced;
395 	bool in_ifs_mode;
396 	bool report_tx_early;
397 	bool serdes_has_link;
398 	bool tx_pkt_filtering;
399 	struct e1000_thermal_sensor_data thermal_sensor_data;
400 };
401 
402 struct e1000_phy_info {
403 	struct e1000_phy_operations ops;
404 
405 	enum e1000_phy_type type;
406 
407 	enum e1000_1000t_rx_status local_rx;
408 	enum e1000_1000t_rx_status remote_rx;
409 	enum e1000_ms_type ms_type;
410 	enum e1000_ms_type original_ms_type;
411 	enum e1000_rev_polarity cable_polarity;
412 	enum e1000_smart_speed smart_speed;
413 
414 	u32 addr;
415 	u32 id;
416 	u32 reset_delay_us; /* in usec */
417 	u32 revision;
418 
419 	enum e1000_media_type media_type;
420 
421 	u16 autoneg_advertised;
422 	u16 autoneg_mask;
423 	u16 cable_length;
424 	u16 max_cable_length;
425 	u16 min_cable_length;
426 	u16 pair_length[4];
427 
428 	u8 mdix;
429 
430 	bool disable_polarity_correction;
431 	bool is_mdix;
432 	bool polarity_correction;
433 	bool reset_disable;
434 	bool speed_downgraded;
435 	bool autoneg_wait_to_complete;
436 };
437 
438 struct e1000_nvm_info {
439 	struct e1000_nvm_operations ops;
440 	enum e1000_nvm_type type;
441 	enum e1000_nvm_override override;
442 
443 	u32 flash_bank_size;
444 	u32 flash_base_addr;
445 
446 	u16 word_size;
447 	u16 delay_usec;
448 	u16 address_bits;
449 	u16 opcode_bits;
450 	u16 page_size;
451 };
452 
453 struct e1000_bus_info {
454 	enum e1000_bus_type type;
455 	enum e1000_bus_speed speed;
456 	enum e1000_bus_width width;
457 
458 	u32 snoop;
459 
460 	u16 func;
461 	u16 pci_cmd_word;
462 };
463 
464 struct e1000_fc_info {
465 	u32 high_water;     /* Flow control high-water mark */
466 	u32 low_water;      /* Flow control low-water mark */
467 	u16 pause_time;     /* Flow control pause timer */
468 	bool send_xon;      /* Flow control send XON */
469 	bool strict_ieee;   /* Strict IEEE mode */
470 	enum e1000_fc_mode current_mode; /* Type of flow control */
471 	enum e1000_fc_mode requested_mode;
472 };
473 
474 struct e1000_mbx_operations {
475 	s32 (*init_params)(struct e1000_hw *hw);
476 	s32 (*read)(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id,
477 		    bool unlock);
478 	s32 (*write)(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id);
479 	s32 (*read_posted)(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id);
480 	s32 (*write_posted)(struct e1000_hw *hw, u32 *msg, u16 size,
481 			    u16 mbx_id);
482 	s32 (*check_for_msg)(struct e1000_hw *hw, u16 mbx_id);
483 	s32 (*check_for_ack)(struct e1000_hw *hw, u16 mbx_id);
484 	s32 (*check_for_rst)(struct e1000_hw *hw, u16 mbx_id);
485 	s32 (*unlock)(struct e1000_hw *hw, u16 mbx_id);
486 };
487 
488 struct e1000_mbx_stats {
489 	u32 msgs_tx;
490 	u32 msgs_rx;
491 
492 	u32 acks;
493 	u32 reqs;
494 	u32 rsts;
495 };
496 
497 struct e1000_mbx_info {
498 	struct e1000_mbx_operations ops;
499 	struct e1000_mbx_stats stats;
500 	u32 timeout;
501 	u32 usec_delay;
502 	u16 size;
503 };
504 
505 struct e1000_dev_spec_82575 {
506 	bool sgmii_active;
507 	bool global_device_reset;
508 	bool eee_disable;
509 	bool clear_semaphore_once;
510 	struct e1000_sfp_flags eth_flags;
511 	bool module_plugged;
512 	u8 media_port;
513 	bool media_changed;
514 	bool mas_capable;
515 };
516 
517 struct e1000_hw {
518 	void *back;
519 
520 	u8 __iomem *hw_addr;
521 	u8 __iomem *flash_address;
522 	unsigned long io_base;
523 
524 	struct e1000_mac_info  mac;
525 	struct e1000_fc_info   fc;
526 	struct e1000_phy_info  phy;
527 	struct e1000_nvm_info  nvm;
528 	struct e1000_bus_info  bus;
529 	struct e1000_mbx_info mbx;
530 	struct e1000_host_mng_dhcp_cookie mng_cookie;
531 
532 	union {
533 		struct e1000_dev_spec_82575	_82575;
534 	} dev_spec;
535 
536 	u16 device_id;
537 	u16 subsystem_vendor_id;
538 	u16 subsystem_device_id;
539 	u16 vendor_id;
540 
541 	u8  revision_id;
542 };
543 
544 struct net_device *igb_get_hw_dev(struct e1000_hw *hw);
545 #define hw_dbg(format, arg...) \
546 	netdev_dbg(igb_get_hw_dev(hw), format, ##arg)
547 
548 /* These functions must be implemented by drivers */
549 s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
550 s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
551 
552 void igb_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value);
553 void igb_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value);
554 #endif /* _E1000_HW_H_ */
555