xref: /openbmc/linux/drivers/net/ethernet/mscc/ocelot.h (revision 50df3be7)
1 /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
2 /*
3  * Microsemi Ocelot Switch driver
4  *
5  * Copyright (c) 2017 Microsemi Corporation
6  */
7 
8 #ifndef _MSCC_OCELOT_H_
9 #define _MSCC_OCELOT_H_
10 
11 #include <linux/bitops.h>
12 #include <linux/etherdevice.h>
13 #include <linux/if_vlan.h>
14 #include <linux/net_tstamp.h>
15 #include <linux/phy.h>
16 #include <linux/phy/phy.h>
17 #include <linux/platform_device.h>
18 #include <linux/ptp_clock_kernel.h>
19 #include <linux/regmap.h>
20 
21 #include "ocelot_ana.h"
22 #include "ocelot_dev.h"
23 #include "ocelot_qsys.h"
24 #include "ocelot_rew.h"
25 #include "ocelot_sys.h"
26 #include "ocelot_qs.h"
27 #include "ocelot_tc.h"
28 #include "ocelot_ptp.h"
29 
30 #define PGID_AGGR    64
31 #define PGID_SRC     80
32 
33 /* Reserved PGIDs */
34 #define PGID_CPU     (PGID_AGGR - 5)
35 #define PGID_UC      (PGID_AGGR - 4)
36 #define PGID_MC      (PGID_AGGR - 3)
37 #define PGID_MCIPV4  (PGID_AGGR - 2)
38 #define PGID_MCIPV6  (PGID_AGGR - 1)
39 
40 #define OCELOT_BUFFER_CELL_SZ 60
41 
42 #define OCELOT_STATS_CHECK_DELAY (2 * HZ)
43 
44 #define OCELOT_PTP_QUEUE_SZ	128
45 
46 #define IFH_LEN 4
47 
48 struct frame_info {
49 	u32 len;
50 	u16 port;
51 	u16 vid;
52 	u8 tag_type;
53 	u16 rew_op;
54 	u32 timestamp;	/* rew_val */
55 };
56 
57 #define IFH_INJ_BYPASS	BIT(31)
58 #define IFH_INJ_POP_CNT_DISABLE (3 << 28)
59 
60 #define IFH_TAG_TYPE_C 0
61 #define IFH_TAG_TYPE_S 1
62 
63 #define IFH_REW_OP_NOOP			0x0
64 #define IFH_REW_OP_DSCP			0x1
65 #define IFH_REW_OP_ONE_STEP_PTP		0x2
66 #define IFH_REW_OP_TWO_STEP_PTP		0x3
67 #define IFH_REW_OP_ORIGIN_PTP		0x5
68 
69 #define OCELOT_SPEED_2500 0
70 #define OCELOT_SPEED_1000 1
71 #define OCELOT_SPEED_100  2
72 #define OCELOT_SPEED_10   3
73 
74 #define TARGET_OFFSET 24
75 #define REG_MASK GENMASK(TARGET_OFFSET - 1, 0)
76 #define REG(reg, offset) [reg & REG_MASK] = offset
77 
78 enum ocelot_target {
79 	ANA = 1,
80 	QS,
81 	QSYS,
82 	REW,
83 	SYS,
84 	S2,
85 	HSIO,
86 	PTP,
87 	TARGET_MAX,
88 };
89 
90 enum ocelot_reg {
91 	ANA_ADVLEARN = ANA << TARGET_OFFSET,
92 	ANA_VLANMASK,
93 	ANA_PORT_B_DOMAIN,
94 	ANA_ANAGEFIL,
95 	ANA_ANEVENTS,
96 	ANA_STORMLIMIT_BURST,
97 	ANA_STORMLIMIT_CFG,
98 	ANA_ISOLATED_PORTS,
99 	ANA_COMMUNITY_PORTS,
100 	ANA_AUTOAGE,
101 	ANA_MACTOPTIONS,
102 	ANA_LEARNDISC,
103 	ANA_AGENCTRL,
104 	ANA_MIRRORPORTS,
105 	ANA_EMIRRORPORTS,
106 	ANA_FLOODING,
107 	ANA_FLOODING_IPMC,
108 	ANA_SFLOW_CFG,
109 	ANA_PORT_MODE,
110 	ANA_CUT_THRU_CFG,
111 	ANA_PGID_PGID,
112 	ANA_TABLES_ANMOVED,
113 	ANA_TABLES_MACHDATA,
114 	ANA_TABLES_MACLDATA,
115 	ANA_TABLES_STREAMDATA,
116 	ANA_TABLES_MACACCESS,
117 	ANA_TABLES_MACTINDX,
118 	ANA_TABLES_VLANACCESS,
119 	ANA_TABLES_VLANTIDX,
120 	ANA_TABLES_ISDXACCESS,
121 	ANA_TABLES_ISDXTIDX,
122 	ANA_TABLES_ENTRYLIM,
123 	ANA_TABLES_PTP_ID_HIGH,
124 	ANA_TABLES_PTP_ID_LOW,
125 	ANA_TABLES_STREAMACCESS,
126 	ANA_TABLES_STREAMTIDX,
127 	ANA_TABLES_SEQ_HISTORY,
128 	ANA_TABLES_SEQ_MASK,
129 	ANA_TABLES_SFID_MASK,
130 	ANA_TABLES_SFIDACCESS,
131 	ANA_TABLES_SFIDTIDX,
132 	ANA_MSTI_STATE,
133 	ANA_OAM_UPM_LM_CNT,
134 	ANA_SG_ACCESS_CTRL,
135 	ANA_SG_CONFIG_REG_1,
136 	ANA_SG_CONFIG_REG_2,
137 	ANA_SG_CONFIG_REG_3,
138 	ANA_SG_CONFIG_REG_4,
139 	ANA_SG_CONFIG_REG_5,
140 	ANA_SG_GCL_GS_CONFIG,
141 	ANA_SG_GCL_TI_CONFIG,
142 	ANA_SG_STATUS_REG_1,
143 	ANA_SG_STATUS_REG_2,
144 	ANA_SG_STATUS_REG_3,
145 	ANA_PORT_VLAN_CFG,
146 	ANA_PORT_DROP_CFG,
147 	ANA_PORT_QOS_CFG,
148 	ANA_PORT_VCAP_CFG,
149 	ANA_PORT_VCAP_S1_KEY_CFG,
150 	ANA_PORT_VCAP_S2_CFG,
151 	ANA_PORT_PCP_DEI_MAP,
152 	ANA_PORT_CPU_FWD_CFG,
153 	ANA_PORT_CPU_FWD_BPDU_CFG,
154 	ANA_PORT_CPU_FWD_GARP_CFG,
155 	ANA_PORT_CPU_FWD_CCM_CFG,
156 	ANA_PORT_PORT_CFG,
157 	ANA_PORT_POL_CFG,
158 	ANA_PORT_PTP_CFG,
159 	ANA_PORT_PTP_DLY1_CFG,
160 	ANA_PORT_PTP_DLY2_CFG,
161 	ANA_PORT_SFID_CFG,
162 	ANA_PFC_PFC_CFG,
163 	ANA_PFC_PFC_TIMER,
164 	ANA_IPT_OAM_MEP_CFG,
165 	ANA_IPT_IPT,
166 	ANA_PPT_PPT,
167 	ANA_FID_MAP_FID_MAP,
168 	ANA_AGGR_CFG,
169 	ANA_CPUQ_CFG,
170 	ANA_CPUQ_CFG2,
171 	ANA_CPUQ_8021_CFG,
172 	ANA_DSCP_CFG,
173 	ANA_DSCP_REWR_CFG,
174 	ANA_VCAP_RNG_TYPE_CFG,
175 	ANA_VCAP_RNG_VAL_CFG,
176 	ANA_VRAP_CFG,
177 	ANA_VRAP_HDR_DATA,
178 	ANA_VRAP_HDR_MASK,
179 	ANA_DISCARD_CFG,
180 	ANA_FID_CFG,
181 	ANA_POL_PIR_CFG,
182 	ANA_POL_CIR_CFG,
183 	ANA_POL_MODE_CFG,
184 	ANA_POL_PIR_STATE,
185 	ANA_POL_CIR_STATE,
186 	ANA_POL_STATE,
187 	ANA_POL_FLOWC,
188 	ANA_POL_HYST,
189 	ANA_POL_MISC_CFG,
190 	QS_XTR_GRP_CFG = QS << TARGET_OFFSET,
191 	QS_XTR_RD,
192 	QS_XTR_FRM_PRUNING,
193 	QS_XTR_FLUSH,
194 	QS_XTR_DATA_PRESENT,
195 	QS_XTR_CFG,
196 	QS_INJ_GRP_CFG,
197 	QS_INJ_WR,
198 	QS_INJ_CTRL,
199 	QS_INJ_STATUS,
200 	QS_INJ_ERR,
201 	QS_INH_DBG,
202 	QSYS_PORT_MODE = QSYS << TARGET_OFFSET,
203 	QSYS_SWITCH_PORT_MODE,
204 	QSYS_STAT_CNT_CFG,
205 	QSYS_EEE_CFG,
206 	QSYS_EEE_THRES,
207 	QSYS_IGR_NO_SHARING,
208 	QSYS_EGR_NO_SHARING,
209 	QSYS_SW_STATUS,
210 	QSYS_EXT_CPU_CFG,
211 	QSYS_PAD_CFG,
212 	QSYS_CPU_GROUP_MAP,
213 	QSYS_QMAP,
214 	QSYS_ISDX_SGRP,
215 	QSYS_TIMED_FRAME_ENTRY,
216 	QSYS_TFRM_MISC,
217 	QSYS_TFRM_PORT_DLY,
218 	QSYS_TFRM_TIMER_CFG_1,
219 	QSYS_TFRM_TIMER_CFG_2,
220 	QSYS_TFRM_TIMER_CFG_3,
221 	QSYS_TFRM_TIMER_CFG_4,
222 	QSYS_TFRM_TIMER_CFG_5,
223 	QSYS_TFRM_TIMER_CFG_6,
224 	QSYS_TFRM_TIMER_CFG_7,
225 	QSYS_TFRM_TIMER_CFG_8,
226 	QSYS_RED_PROFILE,
227 	QSYS_RES_QOS_MODE,
228 	QSYS_RES_CFG,
229 	QSYS_RES_STAT,
230 	QSYS_EGR_DROP_MODE,
231 	QSYS_EQ_CTRL,
232 	QSYS_EVENTS_CORE,
233 	QSYS_QMAXSDU_CFG_0,
234 	QSYS_QMAXSDU_CFG_1,
235 	QSYS_QMAXSDU_CFG_2,
236 	QSYS_QMAXSDU_CFG_3,
237 	QSYS_QMAXSDU_CFG_4,
238 	QSYS_QMAXSDU_CFG_5,
239 	QSYS_QMAXSDU_CFG_6,
240 	QSYS_QMAXSDU_CFG_7,
241 	QSYS_PREEMPTION_CFG,
242 	QSYS_CIR_CFG,
243 	QSYS_EIR_CFG,
244 	QSYS_SE_CFG,
245 	QSYS_SE_DWRR_CFG,
246 	QSYS_SE_CONNECT,
247 	QSYS_SE_DLB_SENSE,
248 	QSYS_CIR_STATE,
249 	QSYS_EIR_STATE,
250 	QSYS_SE_STATE,
251 	QSYS_HSCH_MISC_CFG,
252 	QSYS_TAG_CONFIG,
253 	QSYS_TAS_PARAM_CFG_CTRL,
254 	QSYS_PORT_MAX_SDU,
255 	QSYS_PARAM_CFG_REG_1,
256 	QSYS_PARAM_CFG_REG_2,
257 	QSYS_PARAM_CFG_REG_3,
258 	QSYS_PARAM_CFG_REG_4,
259 	QSYS_PARAM_CFG_REG_5,
260 	QSYS_GCL_CFG_REG_1,
261 	QSYS_GCL_CFG_REG_2,
262 	QSYS_PARAM_STATUS_REG_1,
263 	QSYS_PARAM_STATUS_REG_2,
264 	QSYS_PARAM_STATUS_REG_3,
265 	QSYS_PARAM_STATUS_REG_4,
266 	QSYS_PARAM_STATUS_REG_5,
267 	QSYS_PARAM_STATUS_REG_6,
268 	QSYS_PARAM_STATUS_REG_7,
269 	QSYS_PARAM_STATUS_REG_8,
270 	QSYS_PARAM_STATUS_REG_9,
271 	QSYS_GCL_STATUS_REG_1,
272 	QSYS_GCL_STATUS_REG_2,
273 	REW_PORT_VLAN_CFG = REW << TARGET_OFFSET,
274 	REW_TAG_CFG,
275 	REW_PORT_CFG,
276 	REW_DSCP_CFG,
277 	REW_PCP_DEI_QOS_MAP_CFG,
278 	REW_PTP_CFG,
279 	REW_PTP_DLY1_CFG,
280 	REW_RED_TAG_CFG,
281 	REW_DSCP_REMAP_DP1_CFG,
282 	REW_DSCP_REMAP_CFG,
283 	REW_STAT_CFG,
284 	REW_REW_STICKY,
285 	REW_PPT,
286 	SYS_COUNT_RX_OCTETS = SYS << TARGET_OFFSET,
287 	SYS_COUNT_RX_UNICAST,
288 	SYS_COUNT_RX_MULTICAST,
289 	SYS_COUNT_RX_BROADCAST,
290 	SYS_COUNT_RX_SHORTS,
291 	SYS_COUNT_RX_FRAGMENTS,
292 	SYS_COUNT_RX_JABBERS,
293 	SYS_COUNT_RX_CRC_ALIGN_ERRS,
294 	SYS_COUNT_RX_SYM_ERRS,
295 	SYS_COUNT_RX_64,
296 	SYS_COUNT_RX_65_127,
297 	SYS_COUNT_RX_128_255,
298 	SYS_COUNT_RX_256_1023,
299 	SYS_COUNT_RX_1024_1526,
300 	SYS_COUNT_RX_1527_MAX,
301 	SYS_COUNT_RX_PAUSE,
302 	SYS_COUNT_RX_CONTROL,
303 	SYS_COUNT_RX_LONGS,
304 	SYS_COUNT_RX_CLASSIFIED_DROPS,
305 	SYS_COUNT_TX_OCTETS,
306 	SYS_COUNT_TX_UNICAST,
307 	SYS_COUNT_TX_MULTICAST,
308 	SYS_COUNT_TX_BROADCAST,
309 	SYS_COUNT_TX_COLLISION,
310 	SYS_COUNT_TX_DROPS,
311 	SYS_COUNT_TX_PAUSE,
312 	SYS_COUNT_TX_64,
313 	SYS_COUNT_TX_65_127,
314 	SYS_COUNT_TX_128_511,
315 	SYS_COUNT_TX_512_1023,
316 	SYS_COUNT_TX_1024_1526,
317 	SYS_COUNT_TX_1527_MAX,
318 	SYS_COUNT_TX_AGING,
319 	SYS_RESET_CFG,
320 	SYS_SR_ETYPE_CFG,
321 	SYS_VLAN_ETYPE_CFG,
322 	SYS_PORT_MODE,
323 	SYS_FRONT_PORT_MODE,
324 	SYS_FRM_AGING,
325 	SYS_STAT_CFG,
326 	SYS_SW_STATUS,
327 	SYS_MISC_CFG,
328 	SYS_REW_MAC_HIGH_CFG,
329 	SYS_REW_MAC_LOW_CFG,
330 	SYS_TIMESTAMP_OFFSET,
331 	SYS_CMID,
332 	SYS_PAUSE_CFG,
333 	SYS_PAUSE_TOT_CFG,
334 	SYS_ATOP,
335 	SYS_ATOP_TOT_CFG,
336 	SYS_MAC_FC_CFG,
337 	SYS_MMGT,
338 	SYS_MMGT_FAST,
339 	SYS_EVENTS_DIF,
340 	SYS_EVENTS_CORE,
341 	SYS_CNT,
342 	SYS_PTP_STATUS,
343 	SYS_PTP_TXSTAMP,
344 	SYS_PTP_NXT,
345 	SYS_PTP_CFG,
346 	SYS_RAM_INIT,
347 	SYS_CM_ADDR,
348 	SYS_CM_DATA_WR,
349 	SYS_CM_DATA_RD,
350 	SYS_CM_OP,
351 	SYS_CM_DATA,
352 	S2_CORE_UPDATE_CTRL = S2 << TARGET_OFFSET,
353 	S2_CORE_MV_CFG,
354 	S2_CACHE_ENTRY_DAT,
355 	S2_CACHE_MASK_DAT,
356 	S2_CACHE_ACTION_DAT,
357 	S2_CACHE_CNT_DAT,
358 	S2_CACHE_TG_DAT,
359 	PTP_PIN_CFG = PTP << TARGET_OFFSET,
360 	PTP_PIN_TOD_SEC_MSB,
361 	PTP_PIN_TOD_SEC_LSB,
362 	PTP_PIN_TOD_NSEC,
363 	PTP_CFG_MISC,
364 	PTP_CLK_CFG_ADJ_CFG,
365 	PTP_CLK_CFG_ADJ_FREQ,
366 };
367 
368 enum ocelot_regfield {
369 	ANA_ADVLEARN_VLAN_CHK,
370 	ANA_ADVLEARN_LEARN_MIRROR,
371 	ANA_ANEVENTS_FLOOD_DISCARD,
372 	ANA_ANEVENTS_MSTI_DROP,
373 	ANA_ANEVENTS_ACLKILL,
374 	ANA_ANEVENTS_ACLUSED,
375 	ANA_ANEVENTS_AUTOAGE,
376 	ANA_ANEVENTS_VS2TTL1,
377 	ANA_ANEVENTS_STORM_DROP,
378 	ANA_ANEVENTS_LEARN_DROP,
379 	ANA_ANEVENTS_AGED_ENTRY,
380 	ANA_ANEVENTS_CPU_LEARN_FAILED,
381 	ANA_ANEVENTS_AUTO_LEARN_FAILED,
382 	ANA_ANEVENTS_LEARN_REMOVE,
383 	ANA_ANEVENTS_AUTO_LEARNED,
384 	ANA_ANEVENTS_AUTO_MOVED,
385 	ANA_ANEVENTS_DROPPED,
386 	ANA_ANEVENTS_CLASSIFIED_DROP,
387 	ANA_ANEVENTS_CLASSIFIED_COPY,
388 	ANA_ANEVENTS_VLAN_DISCARD,
389 	ANA_ANEVENTS_FWD_DISCARD,
390 	ANA_ANEVENTS_MULTICAST_FLOOD,
391 	ANA_ANEVENTS_UNICAST_FLOOD,
392 	ANA_ANEVENTS_DEST_KNOWN,
393 	ANA_ANEVENTS_BUCKET3_MATCH,
394 	ANA_ANEVENTS_BUCKET2_MATCH,
395 	ANA_ANEVENTS_BUCKET1_MATCH,
396 	ANA_ANEVENTS_BUCKET0_MATCH,
397 	ANA_ANEVENTS_CPU_OPERATION,
398 	ANA_ANEVENTS_DMAC_LOOKUP,
399 	ANA_ANEVENTS_SMAC_LOOKUP,
400 	ANA_ANEVENTS_SEQ_GEN_ERR_0,
401 	ANA_ANEVENTS_SEQ_GEN_ERR_1,
402 	ANA_TABLES_MACACCESS_B_DOM,
403 	ANA_TABLES_MACTINDX_BUCKET,
404 	ANA_TABLES_MACTINDX_M_INDEX,
405 	QSYS_TIMED_FRAME_ENTRY_TFRM_VLD,
406 	QSYS_TIMED_FRAME_ENTRY_TFRM_FP,
407 	QSYS_TIMED_FRAME_ENTRY_TFRM_PORTNO,
408 	QSYS_TIMED_FRAME_ENTRY_TFRM_TM_SEL,
409 	QSYS_TIMED_FRAME_ENTRY_TFRM_TM_T,
410 	SYS_RESET_CFG_CORE_ENA,
411 	SYS_RESET_CFG_MEM_ENA,
412 	SYS_RESET_CFG_MEM_INIT,
413 	REGFIELD_MAX
414 };
415 
416 enum ocelot_clk_pins {
417 	ALT_PPS_PIN	= 1,
418 	EXT_CLK_PIN,
419 	ALT_LDST_PIN,
420 	TOD_ACC_PIN
421 };
422 
423 struct ocelot_multicast {
424 	struct list_head list;
425 	unsigned char addr[ETH_ALEN];
426 	u16 vid;
427 	u16 ports;
428 };
429 
430 struct ocelot_port;
431 
432 struct ocelot_stat_layout {
433 	u32 offset;
434 	char name[ETH_GSTRING_LEN];
435 };
436 
437 struct ocelot {
438 	struct device *dev;
439 
440 	struct regmap *targets[TARGET_MAX];
441 	struct regmap_field *regfields[REGFIELD_MAX];
442 	const u32 *const *map;
443 	const struct ocelot_stat_layout *stats_layout;
444 	unsigned int num_stats;
445 
446 	u8 base_mac[ETH_ALEN];
447 
448 	struct net_device *hw_bridge_dev;
449 	u16 bridge_mask;
450 	u16 bridge_fwd_mask;
451 
452 	struct workqueue_struct *ocelot_owq;
453 
454 	int shared_queue_sz;
455 
456 	u8 num_phys_ports;
457 	u8 num_cpu_ports;
458 	struct ocelot_port **ports;
459 
460 	u32 *lags;
461 
462 	/* Keep track of the vlan port masks */
463 	u32 vlan_mask[VLAN_N_VID];
464 
465 	struct list_head multicast;
466 
467 	/* Workqueue to check statistics for overflow with its lock */
468 	struct mutex stats_lock;
469 	u64 *stats;
470 	struct delayed_work stats_work;
471 	struct workqueue_struct *stats_queue;
472 
473 	u8 ptp:1;
474 	struct ptp_clock *ptp_clock;
475 	struct ptp_clock_info ptp_info;
476 	struct hwtstamp_config hwtstamp_config;
477 	struct mutex ptp_lock; /* Protects the PTP interface state */
478 	spinlock_t ptp_clock_lock; /* Protects the PTP clock */
479 };
480 
481 struct ocelot_port {
482 	struct net_device *dev;
483 	struct ocelot *ocelot;
484 	struct phy_device *phy;
485 	void __iomem *regs;
486 	u8 chip_port;
487 
488 	/* Ingress default VLAN (pvid) */
489 	u16 pvid;
490 
491 	/* Egress default VLAN (vid) */
492 	u16 vid;
493 
494 	u8 vlan_aware;
495 
496 	u64 *stats;
497 
498 	phy_interface_t phy_mode;
499 	struct phy *serdes;
500 
501 	struct ocelot_port_tc tc;
502 
503 	u8 ptp_cmd;
504 	struct list_head skbs;
505 	u8 ts_id;
506 };
507 
508 struct ocelot_skb {
509 	struct list_head head;
510 	struct sk_buff *skb;
511 	u8 id;
512 };
513 
514 u32 __ocelot_read_ix(struct ocelot *ocelot, u32 reg, u32 offset);
515 #define ocelot_read_ix(ocelot, reg, gi, ri) __ocelot_read_ix(ocelot, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri))
516 #define ocelot_read_gix(ocelot, reg, gi) __ocelot_read_ix(ocelot, reg, reg##_GSZ * (gi))
517 #define ocelot_read_rix(ocelot, reg, ri) __ocelot_read_ix(ocelot, reg, reg##_RSZ * (ri))
518 #define ocelot_read(ocelot, reg) __ocelot_read_ix(ocelot, reg, 0)
519 
520 void __ocelot_write_ix(struct ocelot *ocelot, u32 val, u32 reg, u32 offset);
521 #define ocelot_write_ix(ocelot, val, reg, gi, ri) __ocelot_write_ix(ocelot, val, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri))
522 #define ocelot_write_gix(ocelot, val, reg, gi) __ocelot_write_ix(ocelot, val, reg, reg##_GSZ * (gi))
523 #define ocelot_write_rix(ocelot, val, reg, ri) __ocelot_write_ix(ocelot, val, reg, reg##_RSZ * (ri))
524 #define ocelot_write(ocelot, val, reg) __ocelot_write_ix(ocelot, val, reg, 0)
525 
526 void __ocelot_rmw_ix(struct ocelot *ocelot, u32 val, u32 reg, u32 mask,
527 		     u32 offset);
528 #define ocelot_rmw_ix(ocelot, val, m, reg, gi, ri) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_GSZ * (gi) + reg##_RSZ * (ri))
529 #define ocelot_rmw_gix(ocelot, val, m, reg, gi) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_GSZ * (gi))
530 #define ocelot_rmw_rix(ocelot, val, m, reg, ri) __ocelot_rmw_ix(ocelot, val, m, reg, reg##_RSZ * (ri))
531 #define ocelot_rmw(ocelot, val, m, reg) __ocelot_rmw_ix(ocelot, val, m, reg, 0)
532 
533 u32 ocelot_port_readl(struct ocelot_port *port, u32 reg);
534 void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg);
535 
536 int ocelot_regfields_init(struct ocelot *ocelot,
537 			  const struct reg_field *const regfields);
538 struct regmap *ocelot_io_platform_init(struct ocelot *ocelot,
539 				       struct platform_device *pdev,
540 				       const char *name);
541 
542 #define ocelot_field_write(ocelot, reg, val) regmap_field_write((ocelot)->regfields[(reg)], (val))
543 #define ocelot_field_read(ocelot, reg, val) regmap_field_read((ocelot)->regfields[(reg)], (val))
544 
545 int ocelot_init(struct ocelot *ocelot);
546 void ocelot_deinit(struct ocelot *ocelot);
547 int ocelot_chip_init(struct ocelot *ocelot);
548 int ocelot_probe_port(struct ocelot *ocelot, u8 port,
549 		      void __iomem *regs,
550 		      struct phy_device *phy);
551 
552 extern struct notifier_block ocelot_netdevice_nb;
553 extern struct notifier_block ocelot_switchdev_nb;
554 extern struct notifier_block ocelot_switchdev_blocking_nb;
555 
556 int ocelot_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts);
557 void ocelot_get_hwtimestamp(struct ocelot *ocelot, struct timespec64 *ts);
558 
559 #endif
560