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5
6#include "hns_dsaf_mac.h"
7#include "hns_dsaf_misc.h"
8#include "hns_dsaf_ppe.h"
9#include "hns_dsaf_reg.h"
10
11enum _dsm_op_index {
12 HNS_OP_RESET_FUNC = 0x1,
13 HNS_OP_SERDES_LP_FUNC = 0x2,
14 HNS_OP_LED_SET_FUNC = 0x3,
15 HNS_OP_GET_PORT_TYPE_FUNC = 0x4,
16 HNS_OP_GET_SFP_STAT_FUNC = 0x5,
17 HNS_OP_LOCATE_LED_SET_FUNC = 0x6,
18};
19
20enum _dsm_rst_type {
21 HNS_DSAF_RESET_FUNC = 0x1,
22 HNS_PPE_RESET_FUNC = 0x2,
23 HNS_XGE_RESET_FUNC = 0x4,
24 HNS_GE_RESET_FUNC = 0x5,
25 HNS_DSAF_CHN_RESET_FUNC = 0x6,
26 HNS_ROCE_RESET_FUNC = 0x7,
27};
28
29static const guid_t hns_dsaf_acpi_dsm_guid =
30 GUID_INIT(0x1A85AA1A, 0xE293, 0x415E,
31 0x8E, 0x28, 0x8D, 0x69, 0x0A, 0x0F, 0x82, 0x0A);
32
33static void dsaf_write_sub(struct dsaf_device *dsaf_dev, u32 reg, u32 val)
34{
35 if (dsaf_dev->sub_ctrl)
36 dsaf_write_syscon(dsaf_dev->sub_ctrl, reg, val);
37 else
38 dsaf_write_reg(dsaf_dev->sc_base, reg, val);
39}
40
41static u32 dsaf_read_sub(struct dsaf_device *dsaf_dev, u32 reg)
42{
43 u32 ret = 0;
44 int err;
45
46 if (dsaf_dev->sub_ctrl) {
47 err = dsaf_read_syscon(dsaf_dev->sub_ctrl, reg, &ret);
48 if (err)
49 dev_err(dsaf_dev->dev, "dsaf_read_syscon error %d!\n",
50 err);
51 } else {
52 ret = dsaf_read_reg(dsaf_dev->sc_base, reg);
53 }
54
55 return ret;
56}
57
58static void hns_dsaf_acpi_ledctrl_by_port(struct hns_mac_cb *mac_cb, u8 op_type,
59 u32 link, u32 port, u32 act)
60{
61 union acpi_object *obj;
62 union acpi_object obj_args[3], argv4;
63
64 obj_args[0].integer.type = ACPI_TYPE_INTEGER;
65 obj_args[0].integer.value = link;
66 obj_args[1].integer.type = ACPI_TYPE_INTEGER;
67 obj_args[1].integer.value = port;
68 obj_args[2].integer.type = ACPI_TYPE_INTEGER;
69 obj_args[2].integer.value = act;
70
71 argv4.type = ACPI_TYPE_PACKAGE;
72 argv4.package.count = 3;
73 argv4.package.elements = obj_args;
74
75 obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
76 &hns_dsaf_acpi_dsm_guid, 0, op_type, &argv4);
77 if (!obj) {
78 dev_warn(mac_cb->dev, "ledctrl fail, link:%d port:%d act:%d!\n",
79 link, port, act);
80 return;
81 }
82
83 ACPI_FREE(obj);
84}
85
86static void hns_dsaf_acpi_locate_ledctrl_by_port(struct hns_mac_cb *mac_cb,
87 u8 op_type, u32 locate,
88 u32 port)
89{
90 union acpi_object obj_args[2], argv4;
91 union acpi_object *obj;
92
93 obj_args[0].integer.type = ACPI_TYPE_INTEGER;
94 obj_args[0].integer.value = locate;
95 obj_args[1].integer.type = ACPI_TYPE_INTEGER;
96 obj_args[1].integer.value = port;
97
98 argv4.type = ACPI_TYPE_PACKAGE;
99 argv4.package.count = 2;
100 argv4.package.elements = obj_args;
101
102 obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
103 &hns_dsaf_acpi_dsm_guid, 0, op_type, &argv4);
104 if (!obj) {
105 dev_err(mac_cb->dev, "ledctrl fail, locate:%d port:%d!\n",
106 locate, port);
107 return;
108 }
109
110 ACPI_FREE(obj);
111}
112
113static void hns_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status,
114 u16 speed, int data)
115{
116 int speed_reg = 0;
117 u8 value;
118
119 if (!mac_cb) {
120 pr_err("sfp_led_opt mac_dev is null!\n");
121 return;
122 }
123 if (!mac_cb->cpld_ctrl) {
124 dev_err(mac_cb->dev, "mac_id=%d, cpld syscon is null !\n",
125 mac_cb->mac_id);
126 return;
127 }
128
129 if (speed == MAC_SPEED_10000)
130 speed_reg = 1;
131
132 value = mac_cb->cpld_led_value;
133
134 if (link_status) {
135 dsaf_set_bit(value, DSAF_LED_LINK_B, link_status);
136 dsaf_set_field(value, DSAF_LED_SPEED_M,
137 DSAF_LED_SPEED_S, speed_reg);
138 dsaf_set_bit(value, DSAF_LED_DATA_B, data);
139
140 if (value != mac_cb->cpld_led_value) {
141 dsaf_write_syscon(mac_cb->cpld_ctrl,
142 mac_cb->cpld_ctrl_reg, value);
143 mac_cb->cpld_led_value = value;
144 }
145 } else {
146 value = (mac_cb->cpld_led_value) & (0x1 << DSAF_LED_ANCHOR_B);
147 dsaf_write_syscon(mac_cb->cpld_ctrl,
148 mac_cb->cpld_ctrl_reg, value);
149 mac_cb->cpld_led_value = value;
150 }
151}
152
153static void hns_cpld_set_led_acpi(struct hns_mac_cb *mac_cb, int link_status,
154 u16 speed, int data)
155{
156 if (!mac_cb) {
157 pr_err("cpld_led_set mac_cb is null!\n");
158 return;
159 }
160
161 hns_dsaf_acpi_ledctrl_by_port(mac_cb, HNS_OP_LED_SET_FUNC,
162 link_status, mac_cb->mac_id, data);
163}
164
165static void cpld_led_reset(struct hns_mac_cb *mac_cb)
166{
167 if (!mac_cb || !mac_cb->cpld_ctrl)
168 return;
169
170 dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
171 CPLD_LED_DEFAULT_VALUE);
172 mac_cb->cpld_led_value = CPLD_LED_DEFAULT_VALUE;
173}
174
175static void cpld_led_reset_acpi(struct hns_mac_cb *mac_cb)
176{
177 if (!mac_cb) {
178 pr_err("cpld_led_reset mac_cb is null!\n");
179 return;
180 }
181
182 if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER)
183 return;
184
185 hns_dsaf_acpi_ledctrl_by_port(mac_cb, HNS_OP_LED_SET_FUNC,
186 0, mac_cb->mac_id, 0);
187}
188
189static int cpld_set_led_id(struct hns_mac_cb *mac_cb,
190 enum hnae_led_state status)
191{
192 u32 val = 0;
193 int ret;
194
195 if (!mac_cb->cpld_ctrl)
196 return 0;
197
198 switch (status) {
199 case HNAE_LED_ACTIVE:
200 ret = dsaf_read_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
201 &val);
202 if (ret)
203 return ret;
204
205 dsaf_set_bit(val, DSAF_LED_ANCHOR_B, CPLD_LED_ON_VALUE);
206 dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
207 val);
208 mac_cb->cpld_led_value = val;
209 break;
210 case HNAE_LED_INACTIVE:
211 dsaf_set_bit(mac_cb->cpld_led_value, DSAF_LED_ANCHOR_B,
212 CPLD_LED_DEFAULT_VALUE);
213 dsaf_write_syscon(mac_cb->cpld_ctrl, mac_cb->cpld_ctrl_reg,
214 mac_cb->cpld_led_value);
215 break;
216 default:
217 dev_err(mac_cb->dev, "invalid led state: %d!", status);
218 return -EINVAL;
219 }
220
221 return 0;
222}
223
224static int cpld_set_led_id_acpi(struct hns_mac_cb *mac_cb,
225 enum hnae_led_state status)
226{
227 switch (status) {
228 case HNAE_LED_ACTIVE:
229 hns_dsaf_acpi_locate_ledctrl_by_port(mac_cb,
230 HNS_OP_LOCATE_LED_SET_FUNC,
231 CPLD_LED_ON_VALUE,
232 mac_cb->mac_id);
233 break;
234 case HNAE_LED_INACTIVE:
235 hns_dsaf_acpi_locate_ledctrl_by_port(mac_cb,
236 HNS_OP_LOCATE_LED_SET_FUNC,
237 CPLD_LED_DEFAULT_VALUE,
238 mac_cb->mac_id);
239 break;
240 default:
241 dev_err(mac_cb->dev, "invalid led state: %d!", status);
242 return -EINVAL;
243 }
244
245 return 0;
246}
247
248#define RESET_REQ_OR_DREQ 1
249
250static void hns_dsaf_acpi_srst_by_port(struct dsaf_device *dsaf_dev, u8 op_type,
251 u32 port_type, u32 port, u32 val)
252{
253 union acpi_object *obj;
254 union acpi_object obj_args[3], argv4;
255
256 obj_args[0].integer.type = ACPI_TYPE_INTEGER;
257 obj_args[0].integer.value = port_type;
258 obj_args[1].integer.type = ACPI_TYPE_INTEGER;
259 obj_args[1].integer.value = port;
260 obj_args[2].integer.type = ACPI_TYPE_INTEGER;
261 obj_args[2].integer.value = val;
262
263 argv4.type = ACPI_TYPE_PACKAGE;
264 argv4.package.count = 3;
265 argv4.package.elements = obj_args;
266
267 obj = acpi_evaluate_dsm(ACPI_HANDLE(dsaf_dev->dev),
268 &hns_dsaf_acpi_dsm_guid, 0, op_type, &argv4);
269 if (!obj) {
270 dev_warn(dsaf_dev->dev, "reset port_type%d port%d fail!",
271 port_type, port);
272 return;
273 }
274
275 ACPI_FREE(obj);
276}
277
278static void hns_dsaf_rst(struct dsaf_device *dsaf_dev, bool dereset)
279{
280 u32 xbar_reg_addr;
281 u32 nt_reg_addr;
282
283 if (!dereset) {
284 xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_REQ_REG;
285 nt_reg_addr = DSAF_SUB_SC_NT_RESET_REQ_REG;
286 } else {
287 xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_DREQ_REG;
288 nt_reg_addr = DSAF_SUB_SC_NT_RESET_DREQ_REG;
289 }
290
291 dsaf_write_sub(dsaf_dev, xbar_reg_addr, RESET_REQ_OR_DREQ);
292 dsaf_write_sub(dsaf_dev, nt_reg_addr, RESET_REQ_OR_DREQ);
293}
294
295static void hns_dsaf_rst_acpi(struct dsaf_device *dsaf_dev, bool dereset)
296{
297 hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
298 HNS_DSAF_RESET_FUNC,
299 0, dereset);
300}
301
302static void hns_dsaf_xge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
303 bool dereset)
304{
305 u32 reg_val = 0;
306 u32 reg_addr;
307
308 if (port >= DSAF_XGE_NUM)
309 return;
310
311 reg_val |= RESET_REQ_OR_DREQ;
312 reg_val |= 0x2082082 << dsaf_dev->mac_cb[port]->port_rst_off;
313
314 if (!dereset)
315 reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG;
316 else
317 reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG;
318
319 dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
320}
321
322static void hns_dsaf_xge_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
323 u32 port, bool dereset)
324{
325 hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
326 HNS_XGE_RESET_FUNC, port, dereset);
327}
328
329
330
331
332
333
334
335
336
337
338
339static void
340hns_dsaf_srst_chns(struct dsaf_device *dsaf_dev, u32 msk, bool dereset)
341{
342 u32 reg_addr;
343
344 if (!dereset)
345 reg_addr = DSAF_SUB_SC_DSAF_RESET_REQ_REG;
346 else
347 reg_addr = DSAF_SUB_SC_DSAF_RESET_DREQ_REG;
348
349 dsaf_write_sub(dsaf_dev, reg_addr, msk);
350}
351
352
353
354
355
356
357
358
359
360
361
362static void
363hns_dsaf_srst_chns_acpi(struct dsaf_device *dsaf_dev, u32 msk, bool dereset)
364{
365 hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
366 HNS_DSAF_CHN_RESET_FUNC,
367 msk, dereset);
368}
369
370static void hns_dsaf_roce_srst(struct dsaf_device *dsaf_dev, bool dereset)
371{
372 if (!dereset) {
373 dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_ROCEE_RESET_REQ_REG, 1);
374 } else {
375 dsaf_write_sub(dsaf_dev,
376 DSAF_SUB_SC_ROCEE_CLK_DIS_REG, 1);
377 dsaf_write_sub(dsaf_dev,
378 DSAF_SUB_SC_ROCEE_RESET_DREQ_REG, 1);
379 msleep(20);
380 dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_ROCEE_CLK_EN_REG, 1);
381 }
382}
383
384static void hns_dsaf_roce_srst_acpi(struct dsaf_device *dsaf_dev, bool dereset)
385{
386 hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
387 HNS_ROCE_RESET_FUNC, 0, dereset);
388}
389
390static void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
391 bool dereset)
392{
393 u32 reg_val_1;
394 u32 reg_val_2;
395 u32 port_rst_off;
396
397 if (port >= DSAF_GE_NUM)
398 return;
399
400 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
401 reg_val_1 = 0x1 << port;
402 port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off;
403
404 reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ?
405 0x1041041 : 0x2082082;
406 reg_val_2 <<= port_rst_off;
407
408 if (!dereset) {
409 dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
410 reg_val_1);
411
412 dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ0_REG,
413 reg_val_2);
414 } else {
415 dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ0_REG,
416 reg_val_2);
417
418 dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ1_REG,
419 reg_val_1);
420 }
421 } else {
422 reg_val_1 = 0x15540;
423 reg_val_2 = AE_IS_VER1(dsaf_dev->dsaf_ver) ? 0x100 : 0x40;
424
425 reg_val_1 <<= dsaf_dev->reset_offset;
426 reg_val_2 <<= dsaf_dev->reset_offset;
427
428 if (!dereset) {
429 dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_REQ1_REG,
430 reg_val_1);
431
432 dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_PPE_RESET_REQ_REG,
433 reg_val_2);
434 } else {
435 dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_GE_RESET_DREQ1_REG,
436 reg_val_1);
437
438 dsaf_write_sub(dsaf_dev, DSAF_SUB_SC_PPE_RESET_DREQ_REG,
439 reg_val_2);
440 }
441 }
442}
443
444static void hns_dsaf_ge_srst_by_port_acpi(struct dsaf_device *dsaf_dev,
445 u32 port, bool dereset)
446{
447 hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
448 HNS_GE_RESET_FUNC, port, dereset);
449}
450
451static void hns_ppe_srst_by_port(struct dsaf_device *dsaf_dev, u32 port,
452 bool dereset)
453{
454 u32 reg_val = 0;
455 u32 reg_addr;
456
457 reg_val |= RESET_REQ_OR_DREQ << dsaf_dev->mac_cb[port]->port_rst_off;
458
459 if (!dereset)
460 reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG;
461 else
462 reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG;
463
464 dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
465}
466
467static void
468hns_ppe_srst_by_port_acpi(struct dsaf_device *dsaf_dev, u32 port, bool dereset)
469{
470 hns_dsaf_acpi_srst_by_port(dsaf_dev, HNS_OP_RESET_FUNC,
471 HNS_PPE_RESET_FUNC, port, dereset);
472}
473
474static void hns_ppe_com_srst(struct dsaf_device *dsaf_dev, bool dereset)
475{
476 u32 reg_val;
477 u32 reg_addr;
478
479 if (!(dev_of_node(dsaf_dev->dev)))
480 return;
481
482 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
483 reg_val = RESET_REQ_OR_DREQ;
484 if (!dereset)
485 reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_REQ_REG;
486 else
487 reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_DREQ_REG;
488
489 } else {
490 reg_val = 0x100 << dsaf_dev->reset_offset;
491
492 if (!dereset)
493 reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG;
494 else
495 reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG;
496 }
497
498 dsaf_write_sub(dsaf_dev, reg_addr, reg_val);
499}
500
501
502
503
504
505
506static phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb)
507{
508 u32 mode;
509 u32 reg;
510 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
511 int mac_id = mac_cb->mac_id;
512 phy_interface_t phy_if;
513
514 if (is_ver1) {
515 if (HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev))
516 return PHY_INTERFACE_MODE_SGMII;
517
518 if (mac_id >= 0 && mac_id <= 3)
519 reg = HNS_MAC_HILINK4_REG;
520 else
521 reg = HNS_MAC_HILINK3_REG;
522 } else{
523 if (!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev) && mac_id <= 3)
524 reg = HNS_MAC_HILINK4V2_REG;
525 else
526 reg = HNS_MAC_HILINK3V2_REG;
527 }
528
529 mode = dsaf_read_sub(mac_cb->dsaf_dev, reg);
530 if (dsaf_get_bit(mode, mac_cb->port_mode_off))
531 phy_if = PHY_INTERFACE_MODE_XGMII;
532 else
533 phy_if = PHY_INTERFACE_MODE_SGMII;
534
535 return phy_if;
536}
537
538static phy_interface_t hns_mac_get_phy_if_acpi(struct hns_mac_cb *mac_cb)
539{
540 phy_interface_t phy_if = PHY_INTERFACE_MODE_NA;
541 union acpi_object *obj;
542 union acpi_object obj_args, argv4;
543
544 obj_args.integer.type = ACPI_TYPE_INTEGER;
545 obj_args.integer.value = mac_cb->mac_id;
546
547 argv4.type = ACPI_TYPE_PACKAGE,
548 argv4.package.count = 1,
549 argv4.package.elements = &obj_args,
550
551 obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
552 &hns_dsaf_acpi_dsm_guid, 0,
553 HNS_OP_GET_PORT_TYPE_FUNC, &argv4);
554
555 if (!obj || obj->type != ACPI_TYPE_INTEGER)
556 return phy_if;
557
558 phy_if = obj->integer.value ?
559 PHY_INTERFACE_MODE_XGMII : PHY_INTERFACE_MODE_SGMII;
560
561 dev_dbg(mac_cb->dev, "mac_id=%d, phy_if=%d\n", mac_cb->mac_id, phy_if);
562
563 ACPI_FREE(obj);
564
565 return phy_if;
566}
567
568static int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt)
569{
570 u32 val = 0;
571 int ret;
572
573 if (!mac_cb->cpld_ctrl)
574 return -ENODEV;
575
576 ret = dsaf_read_syscon(mac_cb->cpld_ctrl,
577 mac_cb->cpld_ctrl_reg + MAC_SFP_PORT_OFFSET,
578 &val);
579 if (ret)
580 return ret;
581
582 *sfp_prsnt = !val;
583 return 0;
584}
585
586static int hns_mac_get_sfp_prsnt_acpi(struct hns_mac_cb *mac_cb, int *sfp_prsnt)
587{
588 union acpi_object *obj;
589 union acpi_object obj_args, argv4;
590
591 obj_args.integer.type = ACPI_TYPE_INTEGER;
592 obj_args.integer.value = mac_cb->mac_id;
593
594 argv4.type = ACPI_TYPE_PACKAGE,
595 argv4.package.count = 1,
596 argv4.package.elements = &obj_args,
597
598 obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev),
599 &hns_dsaf_acpi_dsm_guid, 0,
600 HNS_OP_GET_SFP_STAT_FUNC, &argv4);
601
602 if (!obj || obj->type != ACPI_TYPE_INTEGER)
603 return -ENODEV;
604
605 *sfp_prsnt = obj->integer.value;
606
607 ACPI_FREE(obj);
608
609 return 0;
610}
611
612
613
614
615
616
617static int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, bool en)
618{
619 const u8 lane_id[] = {
620 0,
621 1,
622 2,
623 3,
624 2,
625 3,
626 0,
627 1
628 };
629#define RX_CSR(lane, reg) ((0x4080 + (reg) * 0x0002 + (lane) * 0x0200) * 2)
630 u64 reg_offset = RX_CSR(lane_id[mac_cb->mac_id], 0);
631
632 int sfp_prsnt = 0;
633 int ret = hns_mac_get_sfp_prsnt(mac_cb, &sfp_prsnt);
634
635 if (!mac_cb->phy_dev) {
636 if (ret)
637 pr_info("please confirm sfp is present or not\n");
638 else
639 if (!sfp_prsnt)
640 pr_info("no sfp in this eth\n");
641 }
642
643 if (mac_cb->serdes_ctrl) {
644 u32 origin = 0;
645
646 if (!AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) {
647#define HILINK_ACCESS_SEL_CFG 0x40008
648
649
650
651
652 if ((!HNS_DSAF_IS_DEBUG(mac_cb->dsaf_dev)) &&
653 (mac_cb->mac_id <= 3))
654 dsaf_write_syscon(mac_cb->serdes_ctrl,
655 HILINK_ACCESS_SEL_CFG, 0);
656 else
657 dsaf_write_syscon(mac_cb->serdes_ctrl,
658 HILINK_ACCESS_SEL_CFG, 3);
659 }
660
661 ret = dsaf_read_syscon(mac_cb->serdes_ctrl, reg_offset,
662 &origin);
663 if (ret)
664 return ret;
665
666 dsaf_set_field(origin, 1ull << 10, 10, en);
667 dsaf_write_syscon(mac_cb->serdes_ctrl, reg_offset, origin);
668 } else {
669 u8 __iomem *base_addr = mac_cb->serdes_vaddr +
670 (mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000);
671 dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, 10, en);
672 }
673
674 return 0;
675}
676
677static int
678hns_mac_config_sds_loopback_acpi(struct hns_mac_cb *mac_cb, bool en)
679{
680 union acpi_object *obj;
681 union acpi_object obj_args[3], argv4;
682
683 obj_args[0].integer.type = ACPI_TYPE_INTEGER;
684 obj_args[0].integer.value = mac_cb->mac_id;
685 obj_args[1].integer.type = ACPI_TYPE_INTEGER;
686 obj_args[1].integer.value = !!en;
687
688 argv4.type = ACPI_TYPE_PACKAGE;
689 argv4.package.count = 2;
690 argv4.package.elements = obj_args;
691
692 obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dsaf_dev->dev),
693 &hns_dsaf_acpi_dsm_guid, 0,
694 HNS_OP_SERDES_LP_FUNC, &argv4);
695 if (!obj) {
696 dev_warn(mac_cb->dsaf_dev->dev, "set port%d serdes lp fail!",
697 mac_cb->mac_id);
698
699 return -ENOTSUPP;
700 }
701
702 ACPI_FREE(obj);
703
704 return 0;
705}
706
707struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev)
708{
709 struct dsaf_misc_op *misc_op;
710
711 misc_op = devm_kzalloc(dsaf_dev->dev, sizeof(*misc_op), GFP_KERNEL);
712 if (!misc_op)
713 return NULL;
714
715 if (dev_of_node(dsaf_dev->dev)) {
716 misc_op->cpld_set_led = hns_cpld_set_led;
717 misc_op->cpld_reset_led = cpld_led_reset;
718 misc_op->cpld_set_led_id = cpld_set_led_id;
719
720 misc_op->dsaf_reset = hns_dsaf_rst;
721 misc_op->xge_srst = hns_dsaf_xge_srst_by_port;
722 misc_op->ge_srst = hns_dsaf_ge_srst_by_port;
723 misc_op->ppe_srst = hns_ppe_srst_by_port;
724 misc_op->ppe_comm_srst = hns_ppe_com_srst;
725 misc_op->hns_dsaf_srst_chns = hns_dsaf_srst_chns;
726 misc_op->hns_dsaf_roce_srst = hns_dsaf_roce_srst;
727
728 misc_op->get_phy_if = hns_mac_get_phy_if;
729 misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt;
730
731 misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback;
732 } else if (is_acpi_node(dsaf_dev->dev->fwnode)) {
733 misc_op->cpld_set_led = hns_cpld_set_led_acpi;
734 misc_op->cpld_reset_led = cpld_led_reset_acpi;
735 misc_op->cpld_set_led_id = cpld_set_led_id_acpi;
736
737 misc_op->dsaf_reset = hns_dsaf_rst_acpi;
738 misc_op->xge_srst = hns_dsaf_xge_srst_by_port_acpi;
739 misc_op->ge_srst = hns_dsaf_ge_srst_by_port_acpi;
740 misc_op->ppe_srst = hns_ppe_srst_by_port_acpi;
741 misc_op->ppe_comm_srst = hns_ppe_com_srst;
742 misc_op->hns_dsaf_srst_chns = hns_dsaf_srst_chns_acpi;
743 misc_op->hns_dsaf_roce_srst = hns_dsaf_roce_srst_acpi;
744
745 misc_op->get_phy_if = hns_mac_get_phy_if_acpi;
746 misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt_acpi;
747
748 misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback_acpi;
749 } else {
750 devm_kfree(dsaf_dev->dev, (void *)misc_op);
751 misc_op = NULL;
752 }
753
754 return (void *)misc_op;
755}
756
757struct
758platform_device *hns_dsaf_find_platform_device(struct fwnode_handle *fwnode)
759{
760 struct device *dev;
761
762 dev = bus_find_device_by_fwnode(&platform_bus_type, fwnode);
763 return dev ? to_platform_device(dev) : NULL;
764}
765
