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_frame_mode {
37 MV88E6XXX_FRAME_MODE_NORMAL,
38 MV88E6XXX_FRAME_MODE_DSA,
39 MV88E6XXX_FRAME_MODE_PROVIDER,
40 MV88E6XXX_FRAME_MODE_ETHERTYPE,
41 };
42
43 /* List of supported models */
44 enum mv88e6xxx_model {
45 MV88E6085,
46 MV88E6095,
47 MV88E6097,
48 MV88E6123,
49 MV88E6131,
50 MV88E6141,
51 MV88E6161,
52 MV88E6165,
53 MV88E6171,
54 MV88E6172,
55 MV88E6175,
56 MV88E6176,
57 MV88E6185,
58 MV88E6190,
59 MV88E6190X,
60 MV88E6191,
61 MV88E6220,
62 MV88E6240,
63 MV88E6250,
64 MV88E6290,
65 MV88E6320,
66 MV88E6321,
67 MV88E6341,
68 MV88E6350,
69 MV88E6351,
70 MV88E6352,
71 MV88E6390,
72 MV88E6390X,
73 };
74
75 enum mv88e6xxx_family {
76 MV88E6XXX_FAMILY_NONE,
77 MV88E6XXX_FAMILY_6065, /* 6031 6035 6061 6065 */
78 MV88E6XXX_FAMILY_6095, /* 6092 6095 */
79 MV88E6XXX_FAMILY_6097, /* 6046 6085 6096 6097 */
80 MV88E6XXX_FAMILY_6165, /* 6123 6161 6165 */
81 MV88E6XXX_FAMILY_6185, /* 6108 6121 6122 6131 6152 6155 6182 6185 */
82 MV88E6XXX_FAMILY_6250, /* 6220 6250 */
83 MV88E6XXX_FAMILY_6320, /* 6320 6321 */
84 MV88E6XXX_FAMILY_6341, /* 6141 6341 */
85 MV88E6XXX_FAMILY_6351, /* 6171 6175 6350 6351 */
86 MV88E6XXX_FAMILY_6352, /* 6172 6176 6240 6352 */
87 MV88E6XXX_FAMILY_6390, /* 6190 6190X 6191 6290 6390 6390X */
88 };
89
90 struct mv88e6xxx_ops;
91
92 struct mv88e6xxx_info {
93 enum mv88e6xxx_family family;
94 u16 prod_num;
95 const char *name;
96 unsigned int num_databases;
97 unsigned int num_ports;
98 unsigned int num_internal_phys;
99 unsigned int num_gpio;
100 unsigned int max_vid;
101 unsigned int port_base_addr;
102 unsigned int phy_base_addr;
103 unsigned int global1_addr;
104 unsigned int global2_addr;
105 unsigned int age_time_coeff;
106 unsigned int g1_irqs;
107 unsigned int g2_irqs;
108 bool pvt;
109
110 /* Mark certain ports as invalid. This is required for example for the
111 * MV88E6220 (which is in general a MV88E6250 with 7 ports) but the
112 * ports 2-4 are not routet to pins.
113 */
114 unsigned int invalid_port_mask;
115 /* Multi-chip Addressing Mode.
116 * Some chips respond to only 2 registers of its own SMI device address
117 * when it is non-zero, and use indirect access to internal registers.
118 */
119 bool multi_chip;
120 /* Dual-chip Addressing Mode
121 * Some chips respond to only half of the 32 SMI addresses,
122 * allowing two to coexist on the same SMI interface.
123 */
124 bool dual_chip;
125
126 enum dsa_tag_protocol tag_protocol;
127
128 /* Mask for FromPort and ToPort value of PortVec used in ATU Move
129 * operation. 0 means that the ATU Move operation is not supported.
130 */
131 u8 atu_move_port_mask;
132 const struct mv88e6xxx_ops *ops;
133
134 /* Supports PTP */
135 bool ptp_support;
136 };
137
138 struct mv88e6xxx_atu_entry {
139 u8 state;
140 bool trunk;
141 u16 portvec;
142 u8 mac[ETH_ALEN];
143 };
144
145 struct mv88e6xxx_vtu_entry {
146 u16 vid;
147 u16 fid;
148 u8 sid;
149 bool valid;
150 u8 member[DSA_MAX_PORTS];
151 u8 state[DSA_MAX_PORTS];
152 };
153
154 struct mv88e6xxx_bus_ops;
155 struct mv88e6xxx_irq_ops;
156 struct mv88e6xxx_gpio_ops;
157 struct mv88e6xxx_avb_ops;
158 struct mv88e6xxx_ptp_ops;
159
160 struct mv88e6xxx_irq {
161 u16 masked;
162 struct irq_chip chip;
163 struct irq_domain *domain;
164 unsigned int nirqs;
165 };
166
167 /* state flags for mv88e6xxx_port_hwtstamp::state */
168 enum {
169 MV88E6XXX_HWTSTAMP_ENABLED,
170 MV88E6XXX_HWTSTAMP_TX_IN_PROGRESS,
171 };
172
173 struct mv88e6xxx_port_hwtstamp {
174 /* Port index */
175 int port_id;
176
177 /* Timestamping state */
178 unsigned long state;
179
180 /* Resources for receive timestamping */
181 struct sk_buff_head rx_queue;
182 struct sk_buff_head rx_queue2;
183
184 /* Resources for transmit timestamping */
185 unsigned long tx_tstamp_start;
186 struct sk_buff *tx_skb;
187 u16 tx_seq_id;
188
189 /* Current timestamp configuration */
190 struct hwtstamp_config tstamp_config;
191 };
192
193 enum mv88e6xxx_policy_mapping {
194 MV88E6XXX_POLICY_MAPPING_DA,
195 MV88E6XXX_POLICY_MAPPING_SA,
196 MV88E6XXX_POLICY_MAPPING_VTU,
197 MV88E6XXX_POLICY_MAPPING_ETYPE,
198 MV88E6XXX_POLICY_MAPPING_PPPOE,
199 MV88E6XXX_POLICY_MAPPING_VBAS,
200 MV88E6XXX_POLICY_MAPPING_OPT82,
201 MV88E6XXX_POLICY_MAPPING_UDP,
202 };
203
204 enum mv88e6xxx_policy_action {
205 MV88E6XXX_POLICY_ACTION_NORMAL,
206 MV88E6XXX_POLICY_ACTION_MIRROR,
207 MV88E6XXX_POLICY_ACTION_TRAP,
208 MV88E6XXX_POLICY_ACTION_DISCARD,
209 };
210
211 struct mv88e6xxx_policy {
212 enum mv88e6xxx_policy_mapping mapping;
213 enum mv88e6xxx_policy_action action;
214 struct ethtool_rx_flow_spec fs;
215 u8 addr[ETH_ALEN];
216 int port;
217 u16 vid;
218 };
219
220 struct mv88e6xxx_port {
221 struct mv88e6xxx_chip *chip;
222 int port;
223 u64 serdes_stats[2];
224 u64 atu_member_violation;
225 u64 atu_miss_violation;
226 u64 atu_full_violation;
227 u64 vtu_member_violation;
228 u64 vtu_miss_violation;
229 u8 cmode;
230 unsigned int serdes_irq;
231 };
232
233 struct mv88e6xxx_chip {
234 const struct mv88e6xxx_info *info;
235
236 /* The dsa_switch this private structure is related to */
237 struct dsa_switch *ds;
238
239 /* The device this structure is associated to */
240 struct device *dev;
241
242 /* This mutex protects the access to the switch registers */
243 struct mutex reg_lock;
244
245 /* The MII bus and the address on the bus that is used to
246 * communication with the switch
247 */
248 const struct mv88e6xxx_bus_ops *smi_ops;
249 struct mii_bus *bus;
250 int sw_addr;
251
252 /* Handles automatic disabling and re-enabling of the PHY
253 * polling unit.
254 */
255 const struct mv88e6xxx_bus_ops *phy_ops;
256 struct mutex ppu_mutex;
257 int ppu_disabled;
258 struct work_struct ppu_work;
259 struct timer_list ppu_timer;
260
261 /* This mutex serialises access to the statistics unit.
262 * Hold this mutex over snapshot + dump sequences.
263 */
264 struct mutex stats_mutex;
265
266 /* A switch may have a GPIO line tied to its reset pin. Parse
267 * this from the device tree, and use it before performing
268 * switch soft reset.
269 */
270 struct gpio_desc *reset;
271
272 /* set to size of eeprom if supported by the switch */
273 u32 eeprom_len;
274
275 /* List of mdio busses */
276 struct list_head mdios;
277
278 /* Policy Control List IDs and rules */
279 struct idr policies;
280
281 /* There can be two interrupt controllers, which are chained
282 * off a GPIO as interrupt source
283 */
284 struct mv88e6xxx_irq g1_irq;
285 struct mv88e6xxx_irq g2_irq;
286 int irq;
287 int device_irq;
288 int watchdog_irq;
289
290 int atu_prob_irq;
291 int vtu_prob_irq;
292 struct kthread_worker *kworker;
293 struct kthread_delayed_work irq_poll_work;
294
295 /* GPIO resources */
296 u8 gpio_data[2];
297
298 /* This cyclecounter abstracts the switch PTP time.
299 * reg_lock must be held for any operation that read()s.
300 */
301 struct cyclecounter tstamp_cc;
302 struct timecounter tstamp_tc;
303 struct delayed_work overflow_work;
304
305 struct ptp_clock *ptp_clock;
306 struct ptp_clock_info ptp_clock_info;
307 struct delayed_work tai_event_work;
308 struct ptp_pin_desc pin_config[MV88E6XXX_MAX_GPIO];
309 u16 trig_config;
310 u16 evcap_config;
311 u16 enable_count;
312
313 /* Per-port timestamping resources. */
314 struct mv88e6xxx_port_hwtstamp port_hwtstamp[DSA_MAX_PORTS];
315
316 /* Array of port structures. */
317 struct mv88e6xxx_port ports[DSA_MAX_PORTS];
318 };
319
320 struct mv88e6xxx_bus_ops {
321 int (*read)(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val);
322 int (*write)(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val);
323 };
324
325 struct mv88e6xxx_mdio_bus {
326 struct mii_bus *bus;
327 struct mv88e6xxx_chip *chip;
328 struct list_head list;
329 bool external;
330 };
331
332 struct mv88e6xxx_ops {
333 /* Switch Setup Errata, called early in the switch setup to
334 * allow any errata actions to be performed
335 */
336 int (*setup_errata)(struct mv88e6xxx_chip *chip);
337
338 int (*ieee_pri_map)(struct mv88e6xxx_chip *chip);
339 int (*ip_pri_map)(struct mv88e6xxx_chip *chip);
340
341 /* Ingress Rate Limit unit (IRL) operations */
342 int (*irl_init_all)(struct mv88e6xxx_chip *chip, int port);
343
344 int (*get_eeprom)(struct mv88e6xxx_chip *chip,
345 struct ethtool_eeprom *eeprom, u8 *data);
346 int (*set_eeprom)(struct mv88e6xxx_chip *chip,
347 struct ethtool_eeprom *eeprom, u8 *data);
348
349 int (*set_switch_mac)(struct mv88e6xxx_chip *chip, u8 *addr);
350
351 int (*phy_read)(struct mv88e6xxx_chip *chip,
352 struct mii_bus *bus,
353 int addr, int reg, u16 *val);
354 int (*phy_write)(struct mv88e6xxx_chip *chip,
355 struct mii_bus *bus,
356 int addr, int reg, u16 val);
357
358 /* Priority Override Table operations */
359 int (*pot_clear)(struct mv88e6xxx_chip *chip);
360
361 /* PHY Polling Unit (PPU) operations */
362 int (*ppu_enable)(struct mv88e6xxx_chip *chip);
363 int (*ppu_disable)(struct mv88e6xxx_chip *chip);
364
365 /* Switch Software Reset */
366 int (*reset)(struct mv88e6xxx_chip *chip);
367
368 /* RGMII Receive/Transmit Timing Control
369 * Add delay on PHY_INTERFACE_MODE_RGMII_*ID, no delay otherwise.
370 */
371 int (*port_set_rgmii_delay)(struct mv88e6xxx_chip *chip, int port,
372 phy_interface_t mode);
373
374 #define LINK_FORCED_DOWN 0
375 #define LINK_FORCED_UP 1
376 #define LINK_UNFORCED -2
377
378 /* Port's MAC link state
379 * Use LINK_FORCED_UP or LINK_FORCED_DOWN to force link up or down,
380 * or LINK_UNFORCED for normal link detection.
381 */
382 int (*port_set_link)(struct mv88e6xxx_chip *chip, int port, int link);
383
384 #define DUPLEX_UNFORCED -2
385
386 /* Port's MAC duplex mode
387 *
388 * Use DUPLEX_HALF or DUPLEX_FULL to force half or full duplex,
389 * or DUPLEX_UNFORCED for normal duplex detection.
390 */
391 int (*port_set_duplex)(struct mv88e6xxx_chip *chip, int port, int dup);
392
393 #define PAUSE_ON 1
394 #define PAUSE_OFF 0
395
396 /* Enable/disable sending Pause */
397 int (*port_set_pause)(struct mv88e6xxx_chip *chip, int port,
398 int pause);
399
400 #define SPEED_MAX INT_MAX
401 #define SPEED_UNFORCED -2
402
403 /* Port's MAC speed (in Mbps)
404 *
405 * Depending on the chip, 10, 100, 200, 1000, 2500, 10000 are valid.
406 * Use SPEED_UNFORCED for normal detection, SPEED_MAX for max value.
407 */
408 int (*port_set_speed)(struct mv88e6xxx_chip *chip, int port, int speed);
409
410 /* What interface mode should be used for maximum speed? */
411 phy_interface_t (*port_max_speed_mode)(int port);
412
413 int (*port_tag_remap)(struct mv88e6xxx_chip *chip, int port);
414
415 int (*port_set_policy)(struct mv88e6xxx_chip *chip, int port,
416 enum mv88e6xxx_policy_mapping mapping,
417 enum mv88e6xxx_policy_action action);
418
419 int (*port_set_frame_mode)(struct mv88e6xxx_chip *chip, int port,
420 enum mv88e6xxx_frame_mode mode);
421 int (*port_set_egress_floods)(struct mv88e6xxx_chip *chip, int port,
422 bool unicast, bool multicast);
423 int (*port_set_ether_type)(struct mv88e6xxx_chip *chip, int port,
424 u16 etype);
425 int (*port_set_jumbo_size)(struct mv88e6xxx_chip *chip, int port,
426 size_t size);
427
428 int (*port_egress_rate_limiting)(struct mv88e6xxx_chip *chip, int port);
429 int (*port_pause_limit)(struct mv88e6xxx_chip *chip, int port, u8 in,
430 u8 out);
431 int (*port_disable_learn_limit)(struct mv88e6xxx_chip *chip, int port);
432 int (*port_disable_pri_override)(struct mv88e6xxx_chip *chip, int port);
433 int (*port_setup_message_port)(struct mv88e6xxx_chip *chip, int port);
434
435 /* CMODE control what PHY mode the MAC will use, eg. SGMII, RGMII, etc.
436 * Some chips allow this to be configured on specific ports.
437 */
438 int (*port_set_cmode)(struct mv88e6xxx_chip *chip, int port,
439 phy_interface_t mode);
440 int (*port_get_cmode)(struct mv88e6xxx_chip *chip, int port, u8 *cmode);
441
442 /* Some devices have a per port register indicating what is
443 * the upstream port this port should forward to.
444 */
445 int (*port_set_upstream_port)(struct mv88e6xxx_chip *chip, int port,
446 int upstream_port);
447 /* Return the port link state, as required by phylink */
448 int (*port_link_state)(struct mv88e6xxx_chip *chip, int port,
449 struct phylink_link_state *state);
450
451 /* Snapshot the statistics for a port. The statistics can then
452 * be read back a leisure but still with a consistent view.
453 */
454 int (*stats_snapshot)(struct mv88e6xxx_chip *chip, int port);
455
456 /* Set the histogram mode for statistics, when the control registers
457 * are separated out of the STATS_OP register.
458 */
459 int (*stats_set_histogram)(struct mv88e6xxx_chip *chip);
460
461 /* Return the number of strings describing statistics */
462 int (*stats_get_sset_count)(struct mv88e6xxx_chip *chip);
463 int (*stats_get_strings)(struct mv88e6xxx_chip *chip, uint8_t *data);
464 int (*stats_get_stats)(struct mv88e6xxx_chip *chip, int port,
465 uint64_t *data);
466 int (*set_cpu_port)(struct mv88e6xxx_chip *chip, int port);
467 int (*set_egress_port)(struct mv88e6xxx_chip *chip, int port);
468
469 #define MV88E6XXX_CASCADE_PORT_NONE 0xe
470 #define MV88E6XXX_CASCADE_PORT_MULTIPLE 0xf
471
472 int (*set_cascade_port)(struct mv88e6xxx_chip *chip, int port);
473
474 const struct mv88e6xxx_irq_ops *watchdog_ops;
475
476 int (*mgmt_rsvd2cpu)(struct mv88e6xxx_chip *chip);
477
478 /* Power on/off a SERDES interface */
479 int (*serdes_power)(struct mv88e6xxx_chip *chip, int port, u8 lane,
480 bool up);
481
482 /* SERDES lane mapping */
483 u8 (*serdes_get_lane)(struct mv88e6xxx_chip *chip, int port);
484
485 /* SERDES interrupt handling */
486 unsigned int (*serdes_irq_mapping)(struct mv88e6xxx_chip *chip,
487 int port);
488 int (*serdes_irq_enable)(struct mv88e6xxx_chip *chip, int port, u8 lane,
489 bool enable);
490 irqreturn_t (*serdes_irq_status)(struct mv88e6xxx_chip *chip, int port,
491 u8 lane);
492
493 /* Statistics from the SERDES interface */
494 int (*serdes_get_sset_count)(struct mv88e6xxx_chip *chip, int port);
495 int (*serdes_get_strings)(struct mv88e6xxx_chip *chip, int port,
496 uint8_t *data);
497 int (*serdes_get_stats)(struct mv88e6xxx_chip *chip, int port,
498 uint64_t *data);
499
500 /* VLAN Translation Unit operations */
501 int (*vtu_getnext)(struct mv88e6xxx_chip *chip,
502 struct mv88e6xxx_vtu_entry *entry);
503 int (*vtu_loadpurge)(struct mv88e6xxx_chip *chip,
504 struct mv88e6xxx_vtu_entry *entry);
505
506 /* GPIO operations */
507 const struct mv88e6xxx_gpio_ops *gpio_ops;
508
509 /* Interface to the AVB/PTP registers */
510 const struct mv88e6xxx_avb_ops *avb_ops;
511
512 /* Remote Management Unit operations */
513 int (*rmu_disable)(struct mv88e6xxx_chip *chip);
514
515 /* Precision Time Protocol operations */
516 const struct mv88e6xxx_ptp_ops *ptp_ops;
517
518 /* Phylink */
519 void (*phylink_validate)(struct mv88e6xxx_chip *chip, int port,
520 unsigned long *mask,
521 struct phylink_link_state *state);
522 };
523
524 struct mv88e6xxx_irq_ops {
525 /* Action to be performed when the interrupt happens */
526 int (*irq_action)(struct mv88e6xxx_chip *chip, int irq);
527 /* Setup the hardware to generate the interrupt */
528 int (*irq_setup)(struct mv88e6xxx_chip *chip);
529 /* Reset the hardware to stop generating the interrupt */
530 void (*irq_free)(struct mv88e6xxx_chip *chip);
531 };
532
533 struct mv88e6xxx_gpio_ops {
534 /* Get/set data on GPIO pin */
535 int (*get_data)(struct mv88e6xxx_chip *chip, unsigned int pin);
536 int (*set_data)(struct mv88e6xxx_chip *chip, unsigned int pin,
537 int value);
538
539 /* get/set GPIO direction */
540 int (*get_dir)(struct mv88e6xxx_chip *chip, unsigned int pin);
541 int (*set_dir)(struct mv88e6xxx_chip *chip, unsigned int pin,
542 bool input);
543
544 /* get/set GPIO pin control */
545 int (*get_pctl)(struct mv88e6xxx_chip *chip, unsigned int pin,
546 int *func);
547 int (*set_pctl)(struct mv88e6xxx_chip *chip, unsigned int pin,
548 int func);
549 };
550
551 struct mv88e6xxx_avb_ops {
552 /* Access port-scoped Precision Time Protocol registers */
553 int (*port_ptp_read)(struct mv88e6xxx_chip *chip, int port, int addr,
554 u16 *data, int len);
555 int (*port_ptp_write)(struct mv88e6xxx_chip *chip, int port, int addr,
556 u16 data);
557
558 /* Access global Precision Time Protocol registers */
559 int (*ptp_read)(struct mv88e6xxx_chip *chip, int addr, u16 *data,
560 int len);
561 int (*ptp_write)(struct mv88e6xxx_chip *chip, int addr, u16 data);
562
563 /* Access global Time Application Interface registers */
564 int (*tai_read)(struct mv88e6xxx_chip *chip, int addr, u16 *data,
565 int len);
566 int (*tai_write)(struct mv88e6xxx_chip *chip, int addr, u16 data);
567 };
568
569 struct mv88e6xxx_ptp_ops {
570 u64 (*clock_read)(const struct cyclecounter *cc);
571 int (*ptp_enable)(struct ptp_clock_info *ptp,
572 struct ptp_clock_request *rq, int on);
573 int (*ptp_verify)(struct ptp_clock_info *ptp, unsigned int pin,
574 enum ptp_pin_function func, unsigned int chan);
575 void (*event_work)(struct work_struct *ugly);
576 int (*port_enable)(struct mv88e6xxx_chip *chip, int port);
577 int (*port_disable)(struct mv88e6xxx_chip *chip, int port);
578 int (*global_enable)(struct mv88e6xxx_chip *chip);
579 int (*global_disable)(struct mv88e6xxx_chip *chip);
580 int n_ext_ts;
581 int arr0_sts_reg;
582 int arr1_sts_reg;
583 int dep_sts_reg;
584 u32 rx_filters;
585 u32 cc_shift;
586 u32 cc_mult;
587 u32 cc_mult_num;
588 u32 cc_mult_dem;
589 };
590
591 #define STATS_TYPE_PORT BIT(0)
592 #define STATS_TYPE_BANK0 BIT(1)
593 #define STATS_TYPE_BANK1 BIT(2)
594
595 struct mv88e6xxx_hw_stat {
596 char string[ETH_GSTRING_LEN];
597 size_t size;
598 int reg;
599 int type;
600 };
601
mv88e6xxx_has_pvt(struct mv88e6xxx_chip * chip)602 static inline bool mv88e6xxx_has_pvt(struct mv88e6xxx_chip *chip)
603 {
604 return chip->info->pvt;
605 }
606
mv88e6xxx_num_databases(struct mv88e6xxx_chip * chip)607 static inline unsigned int mv88e6xxx_num_databases(struct mv88e6xxx_chip *chip)
608 {
609 return chip->info->num_databases;
610 }
611
mv88e6xxx_num_ports(struct mv88e6xxx_chip * chip)612 static inline unsigned int mv88e6xxx_num_ports(struct mv88e6xxx_chip *chip)
613 {
614 return chip->info->num_ports;
615 }
616
mv88e6xxx_port_mask(struct mv88e6xxx_chip * chip)617 static inline u16 mv88e6xxx_port_mask(struct mv88e6xxx_chip *chip)
618 {
619 return GENMASK(mv88e6xxx_num_ports(chip) - 1, 0);
620 }
621
mv88e6xxx_num_gpio(struct mv88e6xxx_chip * chip)622 static inline unsigned int mv88e6xxx_num_gpio(struct mv88e6xxx_chip *chip)
623 {
624 return chip->info->num_gpio;
625 }
626
mv88e6xxx_is_invalid_port(struct mv88e6xxx_chip * chip,int port)627 static inline bool mv88e6xxx_is_invalid_port(struct mv88e6xxx_chip *chip, int port)
628 {
629 return (chip->info->invalid_port_mask & BIT(port)) != 0;
630 }
631
632 int mv88e6xxx_read(struct mv88e6xxx_chip *chip, int addr, int reg, u16 *val);
633 int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val);
634 int mv88e6xxx_wait_mask(struct mv88e6xxx_chip *chip, int addr, int reg,
635 u16 mask, u16 val);
636 int mv88e6xxx_wait_bit(struct mv88e6xxx_chip *chip, int addr, int reg,
637 int bit, int val);
638 int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port, int link,
639 int speed, int duplex, int pause,
640 phy_interface_t mode);
641 struct mii_bus *mv88e6xxx_default_mdio_bus(struct mv88e6xxx_chip *chip);
642
mv88e6xxx_reg_lock(struct mv88e6xxx_chip * chip)643 static inline void mv88e6xxx_reg_lock(struct mv88e6xxx_chip *chip)
644 {
645 mutex_lock(&chip->reg_lock);
646 }
647
mv88e6xxx_reg_unlock(struct mv88e6xxx_chip * chip)648 static inline void mv88e6xxx_reg_unlock(struct mv88e6xxx_chip *chip)
649 {
650 mutex_unlock(&chip->reg_lock);
651 }
652
653 #endif /* _MV88E6XXX_CHIP_H */
654