Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
/*******************************************************************************
Copyright (C) 2015 Annapurna Labs Ltd.

This file may be licensed under the terms of the Annapurna Labs Commercial
License Agreement.

Alternatively, this file can be distributed under the terms of the GNU General
Public License V2 as published by the Free Software Foundation and can be
found at http://www.gnu.org/licenses/gpl-2.0.html

Alternatively, redistribution and use in source and binary forms, with or
without modification, are permitted provided that the following conditions are
met:

    *     Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.

    *     Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*******************************************************************************/

/**
 * @defgroup group_serdes_api API
 * SerDes HAL driver API
 * @ingroup group_serdes SerDes
 * @{
 *
 * @file   al_hal_serdes_interface.h
 *
 * @brief Header file for the SerDes HAL driver
 *
 */

#ifndef __AL_HAL_SERDES_INTERFACE_H__
#define __AL_HAL_SERDES_INTERFACE_H__

#include "al_hal_common.h"

/* *INDENT-OFF* */
#ifdef __cplusplus
extern "C" {
#endif
/* *INDENT-ON* */

enum al_serdes_type {
	AL_SRDS_TYPE_HSSP,
	AL_SRDS_TYPE_25G,
};

enum al_serdes_reg_page {
	/* Relevant to Serdes hssp and 25g */
	AL_SRDS_REG_PAGE_0_LANE_0 = 0,
	AL_SRDS_REG_PAGE_1_LANE_1,
	/* Relevant to Serdes hssp only */
	AL_SRDS_REG_PAGE_2_LANE_2,
	AL_SRDS_REG_PAGE_3_LANE_3,
	/* Relevant to Serdes hssp and 25g */
	AL_SRDS_REG_PAGE_4_COMMON,
	/* Relevant to Serdes hssp only */
	AL_SRDS_REG_PAGE_0123_LANES_0123 = 7,
	/* Relevant to Serdes 25g only */
	AL_SRDS_REG_PAGE_TOP,
};

/* Relevant to Serdes hssp only */
enum al_serdes_reg_type {
	AL_SRDS_REG_TYPE_PMA = 0,
	AL_SRDS_REG_TYPE_PCS,
};

enum al_serdes_lane {
	AL_SRDS_LANE_0 = AL_SRDS_REG_PAGE_0_LANE_0,
	AL_SRDS_LANE_1 = AL_SRDS_REG_PAGE_1_LANE_1,
	AL_SRDS_LANE_2 = AL_SRDS_REG_PAGE_2_LANE_2,
	AL_SRDS_LANE_3 = AL_SRDS_REG_PAGE_3_LANE_3,

	AL_SRDS_NUM_LANES,
	AL_SRDS_LANES_0123 = AL_SRDS_REG_PAGE_0123_LANES_0123,
};

/** Serdes loopback mode */
enum al_serdes_lb_mode {
	/** No loopback */
	AL_SRDS_LB_MODE_OFF,

	/**
	 * Transmits the untimed, partial equalized RX signal out the transmit
	 * IO pins.
	 * No clock used (untimed)
	 */
	AL_SRDS_LB_MODE_PMA_IO_UN_TIMED_RX_TO_TX,

	/**
	 * Loops back the TX serializer output into the CDR.
	 * CDR recovered bit clock used (without attenuation)
	 */
	AL_SRDS_LB_MODE_PMA_INTERNALLY_BUFFERED_SERIAL_TX_TO_RX,

	/**
	 * Loops back the TX driver IO signal to the RX IO pins
	 * CDR recovered bit clock used (only through IO)
	 */
	AL_SRDS_LB_MODE_PMA_SERIAL_TX_IO_TO_RX_IO,

	/**
	 * Parallel loopback from the PMA receive lane data ports, to the
	 * transmit lane data ports
	 * CDR recovered bit clock used
	 */
	AL_SRDS_LB_MODE_PMA_PARALLEL_RX_TO_TX,

	/** Loops received data after elastic buffer to transmit path */
	AL_SRDS_LB_MODE_PCS_PIPE,

	/** Loops TX data (to PMA) to RX path (instead of PMA data) */
	AL_SRDS_LB_MODE_PCS_NEAR_END,

	/** Loops receive data prior to interface block to transmit path */
	AL_SRDS_LB_MODE_PCS_FAR_END,
};

enum al_serdes_clk_freq {
	AL_SRDS_CLK_FREQ_NA,
	AL_SRDS_CLK_FREQ_100_MHZ,
	AL_SRDS_CLK_FREQ_125_MHZ,
	AL_SRDS_CLK_FREQ_156_MHZ,
};

enum al_serdes_clk_src {
	AL_SRDS_CLK_SRC_LOGIC_0,
	AL_SRDS_CLK_SRC_REF_PINS,
	AL_SRDS_CLK_SRC_R2L,
	AL_SRDS_CLK_SRC_R2L_PLL,
	AL_SRDS_CLK_SRC_L2R,
};

/** Serdes BIST pattern */
enum al_serdes_bist_pattern {
	AL_SRDS_BIST_PATTERN_USER,
	AL_SRDS_BIST_PATTERN_PRBS7,
	AL_SRDS_BIST_PATTERN_PRBS23,
	AL_SRDS_BIST_PATTERN_PRBS31,
	AL_SRDS_BIST_PATTERN_CLK1010,
};

/** SerDes group rate */
enum al_serdes_rate {
	AL_SRDS_RATE_1_8,
	AL_SRDS_RATE_1_4,
	AL_SRDS_RATE_1_2,
	AL_SRDS_RATE_FULL,
};

/** SerDes power mode */
enum al_serdes_pm {
	AL_SRDS_PM_PD,
	AL_SRDS_PM_P2,
	AL_SRDS_PM_P1,
	AL_SRDS_PM_P0S,
	AL_SRDS_PM_P0,
};

/**
 * Tx de-emphasis parameters
 */
enum al_serdes_tx_deemph_param {
	AL_SERDES_TX_DEEMP_C_ZERO,	/*< c(0) */
	AL_SERDES_TX_DEEMP_C_PLUS,	/*< c(1) */
	AL_SERDES_TX_DEEMP_C_MINUS,	/*< c(-1) */
};

struct al_serdes_adv_tx_params {
	/*
	 * select the input values location.
	 * When set to true the values will be taken from the internal registers
	 * that will be override with the next following parameters.
	 * When set to false the values will be taken from external pins (the
	 * other parameters in this case is not needed)
	 */
	al_bool				override;
	/*
	 * Transmit Amplitude control signal. Used to define the full-scale
	 * maximum swing of the driver.
	 *	000 - Not Supported
	 *	001 - 952mVdiff-pkpk
	 *	010 - 1024mVdiff-pkpk
	 *	011 - 1094mVdiff-pkpk
	 *	100 - 1163mVdiff-pkpk
	 *	101 - 1227mVdiff-pkpk
	 *	110 - 1283mVdiff-pkpk
	 *	111 - 1331mVdiff-pkpk
	 */
	uint8_t				amp;
	/* Defines the total number of driver units allocated in the driver */
	uint8_t				total_driver_units;
	/* Defines the total number of driver units allocated to the
	 * first post-cursor (C+1) tap. */
	uint8_t				c_plus_1;
	/* Defines the total number of driver units allocated to the
	 * second post-cursor (C+2) tap. */
	uint8_t				c_plus_2;
	/* Defines the total number of driver units allocated to the
	 * first pre-cursor (C-1) tap. */
	uint8_t				c_minus_1;
	/* TX driver Slew Rate control:
	 *	00 - 31ps
	 *	01 - 33ps
	 *	10 - 68ps
	 *	11 - 170ps
	 */
	uint8_t				slew_rate;
};

struct al_serdes_adv_rx_params {
	/*
	 * select the input values location.
	 * When set to true the values will be taken from the internal registers
	 * that will be override with the next following parameters.
	 * When set to false the values will be taken based in the equalization
	 * results (the other parameters in this case is not needed)
	 */
	al_bool				override;
	/* RX agc high frequency dc gain:
	 *	-3'b000: -3dB
	 *	-3'b001: -2.5dB
	 *	-3'b010: -2dB
	 *	-3'b011: -1.5dB
	 *	-3'b100: -1dB
	 *	-3'b101: -0.5dB
	 *	-3'b110: -0dB
	 *	-3'b111: 0.5dB
	 */
	uint8_t				dcgain;
	/* DFE post-shaping tap 3dB frequency
	 *	-3'b000: 684MHz
	 *	-3'b001: 576MHz
	 *	-3'b010: 514MHz
	 *	-3'b011: 435MHz
	 *	-3'b100: 354MHz
	 *	-3'b101: 281MHz
	 *	-3'b110: 199MHz
	 *	-3'b111: 125MHz
	 */
	uint8_t				dfe_3db_freq;
	/* DFE post-shaping tap gain
	 *	0: no pulse shaping tap
	 *	1: -24mVpeak
	 *	2: -45mVpeak
	 *	3: -64mVpeak
	 *	4: -80mVpeak
	 *	5: -93mVpeak
	 *	6: -101mVpeak
	 *	7: -105mVpeak
	 */
	uint8_t				dfe_gain;
	/* DFE first tap gain control
	 *	-4'b0000: +1mVpeak
	 *	-4'b0001: +10mVpeak
	 *	....
	 *	-4'b0110: +55mVpeak
	 *	-4'b0111: +64mVpeak
	 *	-4'b1000: -1mVpeak
	 *	-4'b1001: -10mVpeak
	 *	....
	 *	-4'b1110: -55mVpeak
	 *	-4'b1111: -64mVpeak
	 */
	uint8_t				dfe_first_tap_ctrl;
	/* DFE second tap gain control
	 *	-4'b0000: +0mVpeak
	 *	-4'b0001: +9mVpeak
	 *	....
	 *	-4'b0110: +46mVpeak
	 *	-4'b0111: +53mVpeak
	 *	-4'b1000: -0mVpeak
	 *	-4'b1001: -9mVpeak
	 *	....
	 *	-4'b1110: -46mVpeak
	 *	-4'b1111: -53mVpeak
	 */
	uint8_t				dfe_secound_tap_ctrl;
	/* DFE third tap gain control
	 *	-4'b0000: +0mVpeak
	 *	-4'b0001: +7mVpeak
	 *	....
	 *	-4'b0110: +38mVpeak
	 *	-4'b0111: +44mVpeak
	 *	-4'b1000: -0mVpeak
	 *	-4'b1001: -7mVpeak
	 *	....
	 *	-4'b1110: -38mVpeak
	 *	-4'b1111: -44mVpeak
	 */
	uint8_t				dfe_third_tap_ctrl;
	/* DFE fourth tap gain control
	 *	-4'b0000: +0mVpeak
	 *	-4'b0001: +6mVpeak
	 *	....
	 *	-4'b0110: +29mVpeak
	 *	-4'b0111: +33mVpeak
	 *	-4'b1000: -0mVpeak
	 *	-4'b1001: -6mVpeak
	 *	....
	 *	-4'b1110: -29mVpeak
	 *	-4'b1111: -33mVpeak
	 */
	uint8_t				dfe_fourth_tap_ctrl;
	/* Low frequency agc gain (att) select
	 *	-3'b000: Disconnected
	 *	-3'b001: -18.5dB
	 *	-3'b010: -12.5dB
	 *	-3'b011: -9dB
	 *	-3'b100: -6.5dB
	 *	-3'b101: -4.5dB
	 *	-3'b110: -2.9dB
	 *	-3'b111: -1.6dB
	 */
	uint8_t				low_freq_agc_gain;
	/* Provides a RX Equalizer pre-hint, prior to beginning
	 * adaptive equalization */
	uint8_t				precal_code_sel;
	/* High frequency agc boost control
	 *	Min d0: Boost ~4dB
	 *	Max d31: Boost ~20dB
	 */
	uint8_t				high_freq_agc_boost;
};

struct al_serdes_25g_adv_rx_params {
	/* ATT (PLE Flat-Band Gain) */
	uint8_t				att;
	/* APG (CTLE's Flat-Band Gain) */
	uint8_t				apg;
	/* LFG (Low-Freq Gain) */
	uint8_t				lfg;
	/* HFG (High-Freq Gain) */
	uint8_t				hfg;
	/* MBG (MidBand-Freq-knob Gain) */
	uint8_t				mbg;
	/* MBF (MidBand-Freq-knob Frequency position Gain) */
	uint8_t				mbf;
	/* DFE Tap1 even#0 Value */
	int8_t				dfe_first_tap_even0_ctrl;
	/* DFE Tap1 even#1 Value */
	int8_t				dfe_first_tap_even1_ctrl;
	/* DFE Tap1 odd#0 Value */
	int8_t				dfe_first_tap_odd0_ctrl;
	/* DFE Tap1 odd#1 Value */
	int8_t				dfe_first_tap_odd1_ctrl;
	/* DFE Tap2 Value */
	int8_t				dfe_second_tap_ctrl;
	/* DFE Tap3 Value */
	int8_t				dfe_third_tap_ctrl;
	/* DFE Tap4 Value */
	int8_t				dfe_fourth_tap_ctrl;
	/* DFE Tap5 Value */
	int8_t				dfe_fifth_tap_ctrl;
};

struct al_serdes_25g_tx_diag_info {
	uint8_t regulated_supply;
	int8_t dcd_trim;
	uint8_t clk_delay;
	uint8_t calp_multiplied_by_2;
	uint8_t caln_multiplied_by_2;
};

struct al_serdes_25g_rx_diag_info {
	int8_t los_offset;
	int8_t agc_offset;
	int8_t leq_gainstage_offset;
	int8_t leq_eq1_offset;
	int8_t leq_eq2_offset;
	int8_t leq_eq3_offset;
	int8_t leq_eq4_offset;
	int8_t leq_eq5_offset;
	int8_t summer_even_offset;
	int8_t summer_odd_offset;
	int8_t vscan_even_offset;
	int8_t vscan_odd_offset;
	int8_t data_slicer_even0_offset;
	int8_t data_slicer_even1_offset;
	int8_t data_slicer_odd0_offset;
	int8_t data_slicer_odd1_offset;
	int8_t edge_slicer_even_offset;
	int8_t edge_slicer_odd_offset;
	int8_t eye_slicer_even_offset;
	int8_t eye_slicer_odd_offset;
	uint8_t cdr_clk_i;
	uint8_t cdr_clk_q;
	uint8_t cdr_dll;
	uint8_t cdr_vco_dosc;
	uint8_t cdr_vco_fr;
	uint16_t cdr_dlpf;
	uint8_t ple_resistance;
	uint8_t rx_term_mode;
	uint8_t rx_coupling;
	uint8_t rx_term_cal_code;
	uint8_t rx_sheet_res_cal_code;
};

/**
 * SRIS parameters
 */
struct al_serdes_sris_params {
	/* Controls the frequency accuracy threshold (ppm) for lock detection CDR */
	uint16_t	ppm_drift_count;
	/* Controls the frequency accuracy threshold (ppm) for lock detection in the CDR */
	uint16_t	ppm_drift_max;
	/* Controls the frequency accuracy threshold (ppm) for lock detection in PLL */
	uint16_t	synth_ppm_drift_max;
	/* Elastic buffer full threshold for PCIE modes: GEN1/GEN2 */
	uint8_t		full_d2r1;
	/* Elastic buffer full threshold for PCIE modes: GEN3 */
	uint8_t		full_pcie_g3;
	/* Elastic buffer midpoint threshold.
	 * Sets the depth of the buffer while in PCIE mode, GEN1/GEN2
	 */
	uint8_t		rd_threshold_d2r1;
	/* Elastic buffer midpoint threshold.
	 * Sets the depth of the buffer while in PCIE mode, GEN3
	 */
	uint8_t		rd_threshold_pcie_g3;
};

/** SerDes PCIe Rate - values are important for proper behavior */
enum al_serdes_pcie_rate {
	AL_SRDS_PCIE_RATE_GEN1 = 0,
	AL_SRDS_PCIE_RATE_GEN2,
	AL_SRDS_PCIE_RATE_GEN3,
};

struct al_serdes_grp_obj {
	void __iomem				*regs_base;

	/**
	 * get the type of the serdes.
	 * Must be implemented for all SerDes unit.
	 *
	 * @return the serdes type.
	 */
	enum al_serdes_type (*type_get)(void);

	/**
	 * Reads a SERDES internal register
	 *
	 * @param obj		The object context
	 * @param page		The SERDES register page within the group
	 * @param type		The SERDES register type (PMA /PCS)
	 * @param offset	The SERDES register offset (0 - 4095)
	 * @param data		The read data
	 *
	 * @return 0 if no error found.
	 */
	int (*reg_read)(struct al_serdes_grp_obj *, enum al_serdes_reg_page,
			enum al_serdes_reg_type, uint16_t, uint8_t *);

	/**
	 * Writes a SERDES internal register
	 *
	 * @param obj		The object context
	 * @param page		The SERDES register page within the group
	 * @param type		The SERDES register type (PMA /PCS)
	 * @param offset	The SERDES register offset (0 - 4095)
	 * @param data		The data to write
	 *
	 * @return 0 if no error found.
	 */
	int (*reg_write)(struct al_serdes_grp_obj *, enum al_serdes_reg_page,
			enum al_serdes_reg_type, uint16_t, uint8_t);

	/**
	 * Enable BIST required overrides
	 *
	 * @param obj		The object context
	 * @param grp		The SERDES group
	 * @param rate		The required speed rate
	 */
	void (*bist_overrides_enable)(struct al_serdes_grp_obj *, enum al_serdes_rate);
	/**
	 * Disable BIST required overrides
	 *
	 * @param obj		The object context
	 * @param grp		The SERDES group
	 * @param rate		The required speed rate
	 */
	void (*bist_overrides_disable)(struct al_serdes_grp_obj *);
	/**
	 * Rx rate change
	 *
	 * @param obj		The object context
	 * @param grp		The SERDES group
	 * @param rate		The Rx required rate
	 */
	void (*rx_rate_change)(struct al_serdes_grp_obj *, enum al_serdes_rate);
	/**
	 * SERDES lane Rx rate change software flow enable
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 */
	void (*rx_rate_change_sw_flow_en)(struct al_serdes_grp_obj *, enum al_serdes_lane);
	/**
	 * SERDES lane Rx rate change software flow disable
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 */
	void (*rx_rate_change_sw_flow_dis)(struct al_serdes_grp_obj *, enum al_serdes_lane);
	/**
	 * PCIe lane rate override check
	 *
	 * @param obj		The object context
	 * @param grp		The SERDES group
	 * @param lane		The SERDES lane within the group
	 *
	 * @returns	AL_TRUE if the override is enabled
	 */
	al_bool (*pcie_rate_override_is_enabled)(struct al_serdes_grp_obj *, enum al_serdes_lane);
	/**
	 * PCIe lane rate override control
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param en		Enable/disable
	 */
	void (*pcie_rate_override_enable_set)(struct al_serdes_grp_obj *, enum al_serdes_lane,
					      al_bool en);
	/**
	 * PCIe lane rate get
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 */
	enum al_serdes_pcie_rate (*pcie_rate_get)(struct al_serdes_grp_obj *, enum al_serdes_lane);
	/**
	 * PCIe lane rate set
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param rate		The required rate
	 */
	void (*pcie_rate_set)(struct al_serdes_grp_obj *, enum al_serdes_lane,
			      enum al_serdes_pcie_rate rate);
	/**
	 * SERDES group power mode control
	 *
	 * @param obj		The object context
	 * @param grp		The SERDES group
	 * @param pm		The required power mode
	 */
	void (*group_pm_set)(struct al_serdes_grp_obj *, enum al_serdes_pm);
	/**
	 * SERDES lane power mode control
	 *
	 * @param obj		The object context
	 * @param grp		The SERDES group
	 * @param lane		The SERDES lane within the group
	 * @param rx_pm		The required RX power mode
	 * @param tx_pm		The required TX power mode
	 */
	void (*lane_pm_set)(struct al_serdes_grp_obj *, enum al_serdes_lane,
			    enum al_serdes_pm, enum al_serdes_pm);

	/**
	 * SERDES group PMA hard reset
	 * Controls Serdes group PMA hard reset
	 *
	 * @param obj		The object context
	 * @param grp		The SERDES group
	 * @param enable	Enable/disable hard reset
	 */
	void (*pma_hard_reset_group)(struct al_serdes_grp_obj *, al_bool);
	/**
	 * SERDES lane PMA hard reset
	 * Controls Serdes lane PMA hard reset
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param enable	Enable/disable hard reset
	 */
	void (*pma_hard_reset_lane)(struct al_serdes_grp_obj *, enum al_serdes_lane, al_bool);
	/**
	 * Configure SERDES loopback
	 * Controls the loopback
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param mode		The requested loopback mode
	 */
	void (*loopback_control)(struct al_serdes_grp_obj *, enum al_serdes_lane,
				 enum al_serdes_lb_mode);
	/**
	 * SERDES BIST pattern selection
	 * Selects the BIST pattern to be used
	 *
	 * @param obj		The object context
	 * @param pattern	The pattern to set
	 * @param user_data	The pattern user data (when pattern == AL_SRDS_BIST_PATTERN_USER)
	 *			80 bits (8 bytes array)
	 */
	void (*bist_pattern_select)(struct al_serdes_grp_obj *,
				    enum al_serdes_bist_pattern, uint8_t *);
	/**
	 * SERDES BIST TX Enable
	 * Enables/disables TX BIST per lane
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param enable	Enable or disable TX BIST
	 */
	void (*bist_tx_enable)(struct al_serdes_grp_obj *, enum al_serdes_lane, al_bool);
	/**
	 * SERDES BIST TX single bit error injection
	 * Injects single bit error during a TX BIST
	 *
	 * @param obj		The object context
	 */
	void (*bist_tx_err_inject)(struct al_serdes_grp_obj *);
	/**
	 * SERDES BIST RX Enable
	 * Enables/disables RX BIST per lane
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param enable	Enable or disable TX BIST
	 */
	void (*bist_rx_enable)(struct al_serdes_grp_obj *, enum al_serdes_lane, al_bool);
	/**
	 * SERDES BIST RX status
	 * Checks the RX BIST status for a specific SERDES lane
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param is_locked	An indication whether RX BIST is locked
	 * @param err_cnt_overflow	An indication whether error count overflow occured
	 * @param err_cnt	Current bit error count
	 */
	void (*bist_rx_status)(struct al_serdes_grp_obj *, enum al_serdes_lane, al_bool *,
			       al_bool *, uint32_t *);

	/**
	 * Set the tx de-emphasis to preset values
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 *
	 */
	void (*tx_deemph_preset)(struct al_serdes_grp_obj *, enum al_serdes_lane);
	/**
	 * Increase tx de-emphasis param.
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param param		which tx de-emphasis to change
	 *
	 * @return false in case max is reached. true otherwise.
	 */
	al_bool (*tx_deemph_inc)(struct al_serdes_grp_obj *, enum al_serdes_lane,
				 enum al_serdes_tx_deemph_param);
	/**
	 * Decrease tx de-emphasis param.
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param param		which tx de-emphasis to change
	 *
	 * @return false in case min is reached. true otherwise.
	 */
	al_bool (*tx_deemph_dec)(struct al_serdes_grp_obj *, enum al_serdes_lane,
				 enum al_serdes_tx_deemph_param);
	/**
	 * run Rx eye measurement.
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param timeout	timeout in uSec
	 * @param value		Rx eye measurement value
	 *			(0 - completely closed eye, 0xffff - completely open eye).
	 *
	 * @return 0 if no error found.
	 */
	int (*eye_measure_run)(struct al_serdes_grp_obj *, enum al_serdes_lane,
			       uint32_t, unsigned int *);
	/**
	 * Eye diagram single sampling
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param x		Sampling X position (0 - 63 --> -1.00 UI ... 1.00 UI)
	 * @param y		Sampling Y position (0 - 62 --> 500mV ... -500mV)
	 * @param timeout	timeout in uSec
	 * @param value		Eye diagram sample value (BER - 0x0000 - 0xffff)
	 *
	 * @return 0 if no error found.
	 */
	int (*eye_diag_sample)(struct al_serdes_grp_obj *, enum al_serdes_lane,
			       unsigned int, int, unsigned int, unsigned int *);

	/**
	 * Eye diagram full run
	 *
	 * @param obj			The object context
	 * @param lane			The SERDES lane within the group
	 * @param x_start		Sampling from X position
	 * @param x_stop		Sampling to X position
	 * @param x_step		jump in x_step
	 * @param y_start		Sampling from Y position
	 * @param y_stop		Sampling to Y position
	 * @param y_step		jump in y_step
	 * @param num_bits_per_sample	How many bits to check
	 * @param buf			array of results
	 * @param buf_size		array size - must be equal to
	 *				(((y_stop - y_start) / y_step) + 1) *
	 *				(((x_stop - x_start) / x_step) + 1)
	 *
	 * @return 0 if no error found.
	 */
	int (*eye_diag_run)(struct al_serdes_grp_obj	*, enum al_serdes_lane,
			    int, int, unsigned int, int, int, unsigned int, uint64_t, uint64_t *,
			    uint32_t);
	/**
	 * Check if signal is detected
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 *
	 * @return true if signal is detected. false otherwise.
	 */
	al_bool (*signal_is_detected)(struct al_serdes_grp_obj *, enum al_serdes_lane);

	/**
	 * Check if CDR is locked
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 *
	 * @return true if cdr is locked. false otherwise.
	 */
	al_bool (*cdr_is_locked)(struct al_serdes_grp_obj *, enum al_serdes_lane);

	/**
	 * Check if rx is valid for this lane
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 *
	 * @return true if rx is valid. false otherwise.
	 */
	al_bool (*rx_valid)(struct al_serdes_grp_obj *, enum al_serdes_lane);

	/**
	 * configure tx advanced parameters
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param params	pointer to the tx parameters
	 */
	void (*tx_advanced_params_set)(struct al_serdes_grp_obj *, enum al_serdes_lane, void *);
	/**
	 * read tx advanced parameters
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param params	pointer to the tx parameters
	 */
	void (*tx_advanced_params_get)(struct al_serdes_grp_obj *, enum al_serdes_lane, void *);
	/**
	 * configure rx advanced parameters
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param params	pointer to the rx parameters
	 */
	void (*rx_advanced_params_set)(struct al_serdes_grp_obj *, enum al_serdes_lane, void *);
	/**
	 * read rx advanced parameters
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param params	pointer to the rx parameters
	 */
	void (*rx_advanced_params_get)(struct al_serdes_grp_obj *, enum al_serdes_lane, void *);
	/**
	 *  Switch entire SerDes group to SGMII mode based on 156.25 Mhz reference clock
	 *
	 * @param obj		The object context
	 *
	 */
	void (*mode_set_sgmii)(struct al_serdes_grp_obj *);
	/**
	 *  Switch entire SerDes group to KR mode based on 156.25 Mhz reference clock
	 *
	 * @param obj		The object context
	 *
	 */
	void (*mode_set_kr)(struct al_serdes_grp_obj *);
	/**
	 * performs SerDes HW equalization test and update equalization parameters
	 *
	 * @param obj		the object context
	 * @param lane		The SERDES lane within the group
	 */
	int (*rx_equalization)(struct al_serdes_grp_obj *, enum al_serdes_lane);
	/**
	 * performs Rx equalization and compute the width and height of the eye
	 *
	 * @param obj		the object context
	 * @param lane		The SERDES lane within the group
	 * @param width		the output width of the eye
	 * @param height	the output height of the eye
	 */
	int (*calc_eye_size)(struct al_serdes_grp_obj *, enum al_serdes_lane, int *, int *);
	/**
	 * SRIS: Separate Refclk Independent SSC (Spread Spectrum Clocking)
	 * Currently available only for PCIe interfaces.
	 * When working with local Refclk, same SRIS configuration in both serdes sides
	 * (EP and RC in PCIe interface) is required.
	 *
	 * performs SRIS configuration according to params
	 *
	 * @param obj		the object context
	 * @param params	the SRIS parameters
	 */
	void (*sris_config)(struct al_serdes_grp_obj *, void *);
	/**
	 * set SERDES dcgain parameter
	 *
	 * @param obj		the object context
	 * @param dcgain	dcgain value to set
	 */
	void (*dcgain_set)(struct al_serdes_grp_obj *, uint8_t);
	/**
	 * read tx diagnostics info
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param params	pointer to the tx diagnostics info structure
	 */
	void (*tx_diag_info_get)(struct al_serdes_grp_obj *, enum al_serdes_lane, void*);
	/**
	 * read rx diagnostics info
	 *
	 * @param obj		The object context
	 * @param lane		The SERDES lane within the group
	 * @param params	pointer to the rx diagnostics info structure
	 */
	void (*rx_diag_info_get)(struct al_serdes_grp_obj *, enum al_serdes_lane, void*);
};


/* *INDENT-OFF* */
#ifdef __cplusplus
}
#endif

/* *INDENT-ON* */
#endif		/* __AL_HAL_SERDES_INTERFACE_H__ */

/** @} end of SERDES group */