xref: /openbmc/linux/drivers/net/dsa/mv88e6xxx/chip.h (revision 835fd614)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Marvell 88E6xxx Ethernet switch single-chip definition
4  *
5  * Copyright (c) 2008 Marvell Semiconductor
6  */
7 
8 #ifndef _MV88E6XXX_CHIP_H
9 #define _MV88E6XXX_CHIP_H
10 
11 #include <linux/idr.h>
12 #include <linux/if_vlan.h>
13 #include <linux/irq.h>
14 #include <linux/gpio/consumer.h>
15 #include <linux/kthread.h>
16 #include <linux/phy.h>
17 #include <linux/ptp_clock_kernel.h>
18 #include <linux/timecounter.h>
19 #include <net/dsa.h>
20 
21 #define MV88E6XXX_N_FID		4096
22 
23 /* PVT limits for 4-bit port and 5-bit switch */
24 #define MV88E6XXX_MAX_PVT_SWITCHES	32
25 #define MV88E6XXX_MAX_PVT_PORTS		16
26 
27 #define MV88E6XXX_MAX_GPIO	16
28 
29 enum mv88e6xxx_egress_mode {
30 	MV88E6XXX_EGRESS_MODE_UNMODIFIED,
31 	MV88E6XXX_EGRESS_MODE_UNTAGGED,
32 	MV88E6XXX_EGRESS_MODE_TAGGED,
33 	MV88E6XXX_EGRESS_MODE_ETHERTYPE,
34 };
35 
36 enum mv88e6xxx_egress_direction {
37         MV88E6XXX_EGRESS_DIR_INGRESS,
38         MV88E6XXX_EGRESS_DIR_EGRESS,
39 };
40 
41 enum mv88e6xxx_frame_mode {
42 	MV88E6XXX_FRAME_MODE_NORMAL,
43 	MV88E6XXX_FRAME_MODE_DSA,
44 	MV88E6XXX_FRAME_MODE_PROVIDER,
45 	MV88E6XXX_FRAME_MODE_ETHERTYPE,
46 };
47 
48 /* List of supported models */
49 enum mv88e6xxx_model {
50 	MV88E6085,
51 	MV88E6095,
52 	MV88E6097,
53 	MV88E6123,
54 	MV88E6131,
55 	MV88E6141,
56 	MV88E6161,
57 	MV88E6165,
58 	MV88E6171,
59 	MV88E6172,
60 	MV88E6175,
61 	MV88E6176,
62 	MV88E6185,
63 	MV88E6190,
64 	MV88E6190X,
65 	MV88E6191,
66 	MV88E6220,
67 	MV88E6240,
68 	MV88E6250,
69 	MV88E6290,
70 	MV88E6320,
71 	MV88E6321,
72 	MV88E6341,
73 	MV88E6350,
74 	MV88E6351,
75 	MV88E6352,
76 	MV88E6390,
77 	MV88E6390X,
78 };
79 
80 enum mv88e6xxx_family {
81 	MV88E6XXX_FAMILY_NONE,
82 	MV88E6XXX_FAMILY_6065,	/* 6031 6035 6061 6065 */
83 	MV88E6XXX_FAMILY_6095,	/* 6092 6095 */
84 	MV88E6XXX_FAMILY_6097,	/* 6046 6085 6096 6097 */
85 	MV88E6XXX_FAMILY_6165,	/* 6123 6161 6165 */
86 	MV88E6XXX_FAMILY_6185,	/* 6108 6121 6122 6131 6152 6155 6182 6185 */
87 	MV88E6XXX_FAMILY_6250,	/* 6220 6250 */
88 	MV88E6XXX_FAMILY_6320,	/* 6320 6321 */
89 	MV88E6XXX_FAMILY_6341,	/* 6141 6341 */
90 	MV88E6XXX_FAMILY_6351,	/* 6171 6175 6350 6351 */
91 	MV88E6XXX_FAMILY_6352,	/* 6172 6176 6240 6352 */
92 	MV88E6XXX_FAMILY_6390,  /* 6190 6190X 6191 6290 6390 6390X */
93 };
94 
95 struct mv88e6xxx_ops;
96 
97 struct mv88e6xxx_info {
98 	enum mv88e6xxx_family family;
99 	u16 prod_num;
100 	const char *name;
101 	unsigned int num_databases;
102 	unsigned int num_macs;
103 	unsigned int num_ports;
104 	unsigned int num_internal_phys;
105 	unsigned int num_gpio;
106 	unsigned int max_vid;
107 	unsigned int port_base_addr;
108 	unsigned int phy_base_addr;
109 	unsigned int global1_addr;
110 	unsigned int global2_addr;
111 	unsigned int age_time_coeff;
112 	unsigned int g1_irqs;
113 	unsigned int g2_irqs;
114 	bool pvt;
115 
116 	/* Mark certain ports as invalid. This is required for example for the
117 	 * MV88E6220 (which is in general a MV88E6250 with 7 ports) but the
118 	 * ports 2-4 are not routet to pins.
119 	 */
120 	unsigned int invalid_port_mask;
121 	/* Multi-chip Addressing Mode.
122 	 * Some chips respond to only 2 registers of its own SMI device address
123 	 * when it is non-zero, and use indirect access to internal registers.
124 	 */
125 	bool multi_chip;
126 	/* Dual-chip Addressing Mode
127 	 * Some chips respond to only half of the 32 SMI addresses,
128 	 * allowing two to coexist on the same SMI interface.
129 	 */
130 	bool dual_chip;
131 
132 	enum dsa_tag_protocol tag_protocol;
133 
134 	/* Mask for FromPort and ToPort value of PortVec used in ATU Move
135 	 * operation. 0 means that the ATU Move operation is not supported.
136 	 */
137 	u8 atu_move_port_mask;
138 	const struct mv88e6xxx_ops *ops;
139 
140 	/* Supports PTP */
141 	bool ptp_support;
142 };
143 
144 struct mv88e6xxx_atu_entry {
145 	u8	state;
146 	bool	trunk;
147 	u16	portvec;
148 	u8	mac[ETH_ALEN];
149 };
150 
151 struct mv88e6xxx_vtu_entry {
152 	u16	vid;
153 	u16	fid;
154 	u8	sid;
155 	bool	valid;
156 	u8	member[DSA_MAX_PORTS];
157 	u8	state[DSA_MAX_PORTS];
158 };
159 
160 struct mv88e6xxx_bus_ops;
161 struct mv88e6xxx_irq_ops;
162 struct mv88e6xxx_gpio_ops;
163 struct mv88e6xxx_avb_ops;
164 struct mv88e6xxx_ptp_ops;
165 
166 struct mv88e6xxx_irq {
167 	u16 masked;
168 	struct irq_chip chip;
169 	struct irq_domain *domain;
170 	int nirqs;
171 };
172 
173 /* state flags for mv88e6xxx_port_hwtstamp::state */
174 enum {
175 	MV88E6XXX_HWTSTAMP_ENABLED,
176 	MV88E6XXX_HWTSTAMP_TX_IN_PROGRESS,
177 };
178 
179 struct mv88e6xxx_port_hwtstamp {
180 	/* Port index */
181 	int port_id;
182 
183 	/* Timestamping state */
184 	unsigned long state;
185 
186 	/* Resources for receive timestamping */
187 	struct sk_buff_head rx_queue;
188 	struct sk_buff_head rx_queue2;
189 
190 	/* Resources for transmit timestamping */
191 	unsigned long tx_tstamp_start;
192 	struct sk_buff *tx_skb;
193 	u16 tx_seq_id;
194 
195 	/* Current timestamp configuration */
196 	struct hwtstamp_config tstamp_config;
197 };
198 
199 enum mv88e6xxx_policy_mapping {
200 	MV88E6XXX_POLICY_MAPPING_DA,
201 	MV88E6XXX_POLICY_MAPPING_SA,
202 	MV88E6XXX_POLICY_MAPPING_VTU,
203 	MV88E6XXX_POLICY_MAPPING_ETYPE,
204 	MV88E6XXX_POLICY_MAPPING_PPPOE,
205 	MV88E6XXX_POLICY_MAPPING_VBAS,
206 	MV88E6XXX_POLICY_MAPPING_OPT82,
207 	MV88E6XXX_POLICY_MAPPING_UDP,
208 };
209 
210 enum mv88e6xxx_policy_action {
211 	MV88E6XXX_POLICY_ACTION_NORMAL,
212 	MV88E6XXX_POLICY_ACTION_MIRROR,
213 	MV88E6XXX_POLICY_ACTION_TRAP,
214 	MV88E6XXX_POLICY_ACTION_DISCARD,
215 };
216 
217 struct mv88e6xxx_policy {
218 	enum mv88e6xxx_policy_mapping mapping;
219 	enum mv88e6xxx_policy_action action;
220 	struct ethtool_rx_flow_spec fs;
221 	u8 addr[ETH_ALEN];
222 	int port;
223 	u16 vid;
224 };
225 
226 struct mv88e6xxx_port {
227 	struct mv88e6xxx_chip *chip;
228 	int port;
229 	u64 serdes_stats[2];
230 	u64 atu_member_violation;
231 	u64 atu_miss_violation;
232 	u64 atu_full_violation;
233 	u64 vtu_member_violation;
234 	u64 vtu_miss_violation;
235 	phy_interface_t interface;
236 	u8 cmode;
237 	bool mirror_ingress;
238 	bool mirror_egress;
239 	unsigned int serdes_irq;
240 	char serdes_irq_name[64];
241 	struct devlink_region *region;
242 };
243 
244 enum mv88e6xxx_region_id {
245 	MV88E6XXX_REGION_GLOBAL1 = 0,
246 	MV88E6XXX_REGION_GLOBAL2,
247 	MV88E6XXX_REGION_ATU,
248 
249 	_MV88E6XXX_REGION_MAX,
250 };
251 
252 struct mv88e6xxx_region_priv {
253 	enum mv88e6xxx_region_id id;
254 };
255 
256 struct mv88e6xxx_chip {
257 	const struct mv88e6xxx_info *info;
258 
259 	/* The dsa_switch this private structure is related to */
260 	struct dsa_switch *ds;
261 
262 	/* The device this structure is associated to */
263 	struct device *dev;
264 
265 	/* This mutex protects the access to the switch registers */
266 	struct mutex reg_lock;
267 
268 	/* The MII bus and the address on the bus that is used to
269 	 * communication with the switch
270 	 */
271 	const struct mv88e6xxx_bus_ops *smi_ops;
272 	struct mii_bus *bus;
273 	int sw_addr;
274 
275 	/* Handles automatic disabling and re-enabling of the PHY
276 	 * polling unit.
277 	 */
278 	const struct mv88e6xxx_bus_ops *phy_ops;
279 	struct mutex		ppu_mutex;
280 	int			ppu_disabled;
281 	struct work_struct	ppu_work;
282 	struct timer_list	ppu_timer;
283 
284 	/* This mutex serialises access to the statistics unit.
285 	 * Hold this mutex over snapshot + dump sequences.
286 	 */
287 	struct mutex	stats_mutex;
288 
289 	/* A switch may have a GPIO line tied to its reset pin. Parse
290 	 * this from the device tree, and use it before performing
291 	 * switch soft reset.
292 	 */
293 	struct gpio_desc *reset;
294 
295 	/* set to size of eeprom if supported by the switch */
296 	u32 eeprom_len;
297 
298 	/* List of mdio busses */
299 	struct list_head mdios;
300 
301 	/* Policy Control List IDs and rules */
302 	struct idr policies;
303 
304 	/* There can be two interrupt controllers, which are chained
305 	 * off a GPIO as interrupt source
306 	 */
307 	struct mv88e6xxx_irq g1_irq;
308 	struct mv88e6xxx_irq g2_irq;
309 	int irq;
310 	char irq_name[64];
311 	int device_irq;
312 	char device_irq_name[64];
313 	int watchdog_irq;
314 	char watchdog_irq_name[64];
315 
316 	int atu_prob_irq;
317 	char atu_prob_irq_name[64];
318 	int vtu_prob_irq;
319 	char vtu_prob_irq_name[64];
320 	struct kthread_worker *kworker;
321 	struct kthread_delayed_work irq_poll_work;
322 
323 	/* GPIO resources */
324 	u8 gpio_data[2];
325 
326 	/* This cyclecounter abstracts the switch PTP time.
327 	 * reg_lock must be held for any operation that read()s.
328 	 */
329 	struct cyclecounter	tstamp_cc;
330 	struct timecounter	tstamp_tc;
331 	struct delayed_work	overflow_work;
332 
333 	struct ptp_clock	*ptp_clock;
334 	struct ptp_clock_info	ptp_clock_info;
335 	struct delayed_work	tai_event_work;
336 	struct ptp_pin_desc	pin_config[MV88E6XXX_MAX_GPIO];
337 	u16 trig_config;
338 	u16 evcap_config;
339 	u16 enable_count;
340 
341 	/* Current ingress and egress monitor ports */
342 	int egress_dest_port;
343 	int ingress_dest_port;
344 
345 	/* Per-port timestamping resources. */
346 	struct mv88e6xxx_port_hwtstamp port_hwtstamp[DSA_MAX_PORTS];
347 
348 	/* Array of port structures. */
349 	struct mv88e6xxx_port ports[DSA_MAX_PORTS];
350 
351 	/* devlink regions */
352 	struct devlink_region *regions[_MV88E6XXX_REGION_MAX];
353 };
354 
355 struct mv88e6xxx_bus_ops {
356 	int (*read)(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val);
357 	int (*write)(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val);
358 };
359 
360 struct mv88e6xxx_mdio_bus {
361 	struct mii_bus *bus;
362 	struct mv88e6xxx_chip *chip;
363 	struct list_head list;
364 	bool external;
365 };
366 
367 struct mv88e6xxx_ops {
368 	/* Switch Setup Errata, called early in the switch setup to
369 	 * allow any errata actions to be performed
370 	 */
371 	int (*setup_errata)(struct mv88e6xxx_chip *chip);
372 
373 	int (*ieee_pri_map)(struct mv88e6xxx_chip *chip);
374 	int (*ip_pri_map)(struct mv88e6xxx_chip *chip);
375 
376 	/* Ingress Rate Limit unit (IRL) operations */
377 	int (*irl_init_all)(struct mv88e6xxx_chip *chip, int port);
378 
379 	int (*get_eeprom)(struct mv88e6xxx_chip *chip,
380 			  struct ethtool_eeprom *eeprom, u8 *data);
381 	int (*set_eeprom)(struct mv88e6xxx_chip *chip,
382 			  struct ethtool_eeprom *eeprom, u8 *data);
383 
384 	int (*set_switch_mac)(struct mv88e6xxx_chip *chip, u8 *addr);
385 
386 	int (*phy_read)(struct mv88e6xxx_chip *chip,
387 			struct mii_bus *bus,
388 			int addr, int reg, u16 *val);
389 	int (*phy_write)(struct mv88e6xxx_chip *chip,
390 			 struct mii_bus *bus,
391 			 int addr, int reg, u16 val);
392 
393 	/* Priority Override Table operations */
394 	int (*pot_clear)(struct mv88e6xxx_chip *chip);
395 
396 	/* PHY Polling Unit (PPU) operations */
397 	int (*ppu_enable)(struct mv88e6xxx_chip *chip);
398 	int (*ppu_disable)(struct mv88e6xxx_chip *chip);
399 
400 	/* Switch Software Reset */
401 	int (*reset)(struct mv88e6xxx_chip *chip);
402 
403 	/* RGMII Receive/Transmit Timing Control
404 	 * Add delay on PHY_INTERFACE_MODE_RGMII_*ID, no delay otherwise.
405 	 */
406 	int (*port_set_rgmii_delay)(struct mv88e6xxx_chip *chip, int port,
407 				    phy_interface_t mode);
408 
409 #define LINK_FORCED_DOWN	0
410 #define LINK_FORCED_UP		1
411 #define LINK_UNFORCED		-2
412 
413 	/* Port's MAC link state
414 	 * Use LINK_FORCED_UP or LINK_FORCED_DOWN to force link up or down,
415 	 * or LINK_UNFORCED for normal link detection.
416 	 */
417 	int (*port_set_link)(struct mv88e6xxx_chip *chip, int port, int link);
418 
419 #define PAUSE_ON		1
420 #define PAUSE_OFF		0
421 
422 	/* Enable/disable sending Pause */
423 	int (*port_set_pause)(struct mv88e6xxx_chip *chip, int port,
424 			      int pause);
425 
426 #define SPEED_MAX		INT_MAX
427 #define SPEED_UNFORCED		-2
428 #define DUPLEX_UNFORCED		-2
429 
430 	/* Port's MAC speed (in Mbps) and MAC duplex mode
431 	 *
432 	 * Depending on the chip, 10, 100, 200, 1000, 2500, 10000 are valid.
433 	 * Use SPEED_UNFORCED for normal detection, SPEED_MAX for max value.
434 	 *
435 	 * Use DUPLEX_HALF or DUPLEX_FULL to force half or full duplex,
436 	 * or DUPLEX_UNFORCED for normal duplex detection.
437 	 */
438 	int (*port_set_speed_duplex)(struct mv88e6xxx_chip *chip, int port,
439 				     int speed, int duplex);
440 
441 	/* What interface mode should be used for maximum speed? */
442 	phy_interface_t (*port_max_speed_mode)(int port);
443 
444 	int (*port_tag_remap)(struct mv88e6xxx_chip *chip, int port);
445 
446 	int (*port_set_policy)(struct mv88e6xxx_chip *chip, int port,
447 			       enum mv88e6xxx_policy_mapping mapping,
448 			       enum mv88e6xxx_policy_action action);
449 
450 	int (*port_set_frame_mode)(struct mv88e6xxx_chip *chip, int port,
451 				   enum mv88e6xxx_frame_mode mode);
452 	int (*port_set_egress_floods)(struct mv88e6xxx_chip *chip, int port,
453 				      bool unicast, bool multicast);
454 	int (*port_set_ether_type)(struct mv88e6xxx_chip *chip, int port,
455 				   u16 etype);
456 	int (*port_set_jumbo_size)(struct mv88e6xxx_chip *chip, int port,
457 				   size_t size);
458 
459 	int (*port_egress_rate_limiting)(struct mv88e6xxx_chip *chip, int port);
460 	int (*port_pause_limit)(struct mv88e6xxx_chip *chip, int port, u8 in,
461 				u8 out);
462 	int (*port_disable_learn_limit)(struct mv88e6xxx_chip *chip, int port);
463 	int (*port_disable_pri_override)(struct mv88e6xxx_chip *chip, int port);
464 	int (*port_setup_message_port)(struct mv88e6xxx_chip *chip, int port);
465 
466 	/* CMODE control what PHY mode the MAC will use, eg. SGMII, RGMII, etc.
467 	 * Some chips allow this to be configured on specific ports.
468 	 */
469 	int (*port_set_cmode)(struct mv88e6xxx_chip *chip, int port,
470 			      phy_interface_t mode);
471 	int (*port_get_cmode)(struct mv88e6xxx_chip *chip, int port, u8 *cmode);
472 
473 	/* Some devices have a per port register indicating what is
474 	 * the upstream port this port should forward to.
475 	 */
476 	int (*port_set_upstream_port)(struct mv88e6xxx_chip *chip, int port,
477 				      int upstream_port);
478 
479 	/* Snapshot the statistics for a port. The statistics can then
480 	 * be read back a leisure but still with a consistent view.
481 	 */
482 	int (*stats_snapshot)(struct mv88e6xxx_chip *chip, int port);
483 
484 	/* Set the histogram mode for statistics, when the control registers
485 	 * are separated out of the STATS_OP register.
486 	 */
487 	int (*stats_set_histogram)(struct mv88e6xxx_chip *chip);
488 
489 	/* Return the number of strings describing statistics */
490 	int (*stats_get_sset_count)(struct mv88e6xxx_chip *chip);
491 	int (*stats_get_strings)(struct mv88e6xxx_chip *chip,  uint8_t *data);
492 	int (*stats_get_stats)(struct mv88e6xxx_chip *chip,  int port,
493 			       uint64_t *data);
494 	int (*set_cpu_port)(struct mv88e6xxx_chip *chip, int port);
495 	int (*set_egress_port)(struct mv88e6xxx_chip *chip,
496 			       enum mv88e6xxx_egress_direction direction,
497 			       int port);
498 
499 #define MV88E6XXX_CASCADE_PORT_NONE		0xe
500 #define MV88E6XXX_CASCADE_PORT_MULTIPLE		0xf
501 
502 	int (*set_cascade_port)(struct mv88e6xxx_chip *chip, int port);
503 
504 	const struct mv88e6xxx_irq_ops *watchdog_ops;
505 
506 	int (*mgmt_rsvd2cpu)(struct mv88e6xxx_chip *chip);
507 
508 	/* Power on/off a SERDES interface */
509 	int (*serdes_power)(struct mv88e6xxx_chip *chip, int port, u8 lane,
510 			    bool up);
511 
512 	/* SERDES lane mapping */
513 	u8 (*serdes_get_lane)(struct mv88e6xxx_chip *chip, int port);
514 
515 	int (*serdes_pcs_get_state)(struct mv88e6xxx_chip *chip, int port,
516 				    u8 lane, struct phylink_link_state *state);
517 	int (*serdes_pcs_config)(struct mv88e6xxx_chip *chip, int port,
518 				 u8 lane, unsigned int mode,
519 				 phy_interface_t interface,
520 				 const unsigned long *advertise);
521 	int (*serdes_pcs_an_restart)(struct mv88e6xxx_chip *chip, int port,
522 				     u8 lane);
523 	int (*serdes_pcs_link_up)(struct mv88e6xxx_chip *chip, int port,
524 				  u8 lane, int speed, int duplex);
525 
526 	/* SERDES interrupt handling */
527 	unsigned int (*serdes_irq_mapping)(struct mv88e6xxx_chip *chip,
528 					   int port);
529 	int (*serdes_irq_enable)(struct mv88e6xxx_chip *chip, int port, u8 lane,
530 				 bool enable);
531 	irqreturn_t (*serdes_irq_status)(struct mv88e6xxx_chip *chip, int port,
532 					 u8 lane);
533 
534 	/* Statistics from the SERDES interface */
535 	int (*serdes_get_sset_count)(struct mv88e6xxx_chip *chip, int port);
536 	int (*serdes_get_strings)(struct mv88e6xxx_chip *chip,  int port,
537 				  uint8_t *data);
538 	int (*serdes_get_stats)(struct mv88e6xxx_chip *chip,  int port,
539 				uint64_t *data);
540 
541 	/* SERDES registers for ethtool */
542 	int (*serdes_get_regs_len)(struct mv88e6xxx_chip *chip,  int port);
543 	void (*serdes_get_regs)(struct mv88e6xxx_chip *chip, int port,
544 				void *_p);
545 
546 	/* Address Translation Unit operations */
547 	int (*atu_get_hash)(struct mv88e6xxx_chip *chip, u8 *hash);
548 	int (*atu_set_hash)(struct mv88e6xxx_chip *chip, u8 hash);
549 
550 	/* VLAN Translation Unit operations */
551 	int (*vtu_getnext)(struct mv88e6xxx_chip *chip,
552 			   struct mv88e6xxx_vtu_entry *entry);
553 	int (*vtu_loadpurge)(struct mv88e6xxx_chip *chip,
554 			     struct mv88e6xxx_vtu_entry *entry);
555 
556 	/* GPIO operations */
557 	const struct mv88e6xxx_gpio_ops *gpio_ops;
558 
559 	/* Interface to the AVB/PTP registers */
560 	const struct mv88e6xxx_avb_ops *avb_ops;
561 
562 	/* Remote Management Unit operations */
563 	int (*rmu_disable)(struct mv88e6xxx_chip *chip);
564 
565 	/* Precision Time Protocol operations */
566 	const struct mv88e6xxx_ptp_ops *ptp_ops;
567 
568 	/* Phylink */
569 	void (*phylink_validate)(struct mv88e6xxx_chip *chip, int port,
570 				 unsigned long *mask,
571 				 struct phylink_link_state *state);
572 
573 	/* Max Frame Size */
574 	int (*set_max_frame_size)(struct mv88e6xxx_chip *chip, int mtu);
575 };
576 
577 struct mv88e6xxx_irq_ops {
578 	/* Action to be performed when the interrupt happens */
579 	int (*irq_action)(struct mv88e6xxx_chip *chip, int irq);
580 	/* Setup the hardware to generate the interrupt */
581 	int (*irq_setup)(struct mv88e6xxx_chip *chip);
582 	/* Reset the hardware to stop generating the interrupt */
583 	void (*irq_free)(struct mv88e6xxx_chip *chip);
584 };
585 
586 struct mv88e6xxx_gpio_ops {
587 	/* Get/set data on GPIO pin */
588 	int (*get_data)(struct mv88e6xxx_chip *chip, unsigned int pin);
589 	int (*set_data)(struct mv88e6xxx_chip *chip, unsigned int pin,
590 			int value);
591 
592 	/* get/set GPIO direction */
593 	int (*get_dir)(struct mv88e6xxx_chip *chip, unsigned int pin);
594 	int (*set_dir)(struct mv88e6xxx_chip *chip, unsigned int pin,
595 		       bool input);
596 
597 	/* get/set GPIO pin control */
598 	int (*get_pctl)(struct mv88e6xxx_chip *chip, unsigned int pin,
599 			int *func);
600 	int (*set_pctl)(struct mv88e6xxx_chip *chip, unsigned int pin,
601 			int func);
602 };
603 
604 struct mv88e6xxx_avb_ops {
605 	/* Access port-scoped Precision Time Protocol registers */
606 	int (*port_ptp_read)(struct mv88e6xxx_chip *chip, int port, int addr,
607 			     u16 *data, int len);
608 	int (*port_ptp_write)(struct mv88e6xxx_chip *chip, int port, int addr,
609 			      u16 data);
610 
611 	/* Access global Precision Time Protocol registers */
612 	int (*ptp_read)(struct mv88e6xxx_chip *chip, int addr, u16 *data,
613 			int len);
614 	int (*ptp_write)(struct mv88e6xxx_chip *chip, int addr, u16 data);
615 
616 	/* Access global Time Application Interface registers */
617 	int (*tai_read)(struct mv88e6xxx_chip *chip, int addr, u16 *data,
618 			int len);
619 	int (*tai_write)(struct mv88e6xxx_chip *chip, int addr, u16 data);
620 };
621 
622 struct mv88e6xxx_ptp_ops {
623 	u64 (*clock_read)(const struct cyclecounter *cc);
624 	int (*ptp_enable)(struct ptp_clock_info *ptp,
625 			  struct ptp_clock_request *rq, int on);
626 	int (*ptp_verify)(struct ptp_clock_info *ptp, unsigned int pin,
627 			  enum ptp_pin_function func, unsigned int chan);
628 	void (*event_work)(struct work_struct *ugly);
629 	int (*port_enable)(struct mv88e6xxx_chip *chip, int port);
630 	int (*port_disable)(struct mv88e6xxx_chip *chip, int port);
631 	int (*global_enable)(struct mv88e6xxx_chip *chip);
632 	int (*global_disable)(struct mv88e6xxx_chip *chip);
633 	int n_ext_ts;
634 	int arr0_sts_reg;
635 	int arr1_sts_reg;
636 	int dep_sts_reg;
637 	u32 rx_filters;
638 	u32 cc_shift;
639 	u32 cc_mult;
640 	u32 cc_mult_num;
641 	u32 cc_mult_dem;
642 };
643 
644 #define STATS_TYPE_PORT		BIT(0)
645 #define STATS_TYPE_BANK0	BIT(1)
646 #define STATS_TYPE_BANK1	BIT(2)
647 
648 struct mv88e6xxx_hw_stat {
649 	char string[ETH_GSTRING_LEN];
650 	size_t size;
651 	int reg;
652 	int type;
653 };
654 
655 static inline bool mv88e6xxx_has_pvt(struct mv88e6xxx_chip *chip)
656 {
657 	return chip->info->pvt;
658 }
659 
660 static inline unsigned int mv88e6xxx_num_databases(struct mv88e6xxx_chip *chip)
661 {
662 	return chip->info->num_databases;
663 }
664 
665 static inline unsigned int mv88e6xxx_num_macs(struct  mv88e6xxx_chip *chip)
666 {
667 	return chip->info->num_macs;
668 }
669 
670 static inline unsigned int mv88e6xxx_num_ports(struct mv88e6xxx_chip *chip)
671 {
672 	return chip->info->num_ports;
673 }
674 
675 static inline u16 mv88e6xxx_port_mask(struct mv88e6xxx_chip *chip)
676 {
677 	return GENMASK((s32)mv88e6xxx_num_ports(chip) - 1, 0);
678 }
679 
680 static inline unsigned int mv88e6xxx_num_gpio(struct mv88e6xxx_chip *chip)
681 {
682 	return chip->info->num_gpio;
683 }
684 
685 static inline bool mv88e6xxx_is_invalid_port(struct mv88e6xxx_chip *chip, int port)
686 {
687 	return (chip->info->invalid_port_mask & BIT(port)) != 0;
688 }
689 
690 int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val);
691 int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val);
692 int mv88e6xxx_wait_mask(struct mv88e6xxx_chip *chip, int addr, int reg,
693 			u16 mask, u16 val);
694 int mv88e6xxx_wait_bit(struct mv88e6xxx_chip *chip, int addr, int reg,
695 		       int bit, int val);
696 struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip);
697 
698 static inline void mv88e6xxx_reg_lock(struct mv88e6xxx_chip *chip)
699 {
700 	mutex_lock(&chip->reg_lock);
701 }
702 
703 static inline void mv88e6xxx_reg_unlock(struct mv88e6xxx_chip *chip)
704 {
705 	mutex_unlock(&chip->reg_lock);
706 }
707 
708 int mv88e6xxx_fid_map(struct mv88e6xxx_chip *chip, unsigned long *bitmap);
709 
710 #endif /* _MV88E6XXX_CHIP_H */
711