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1/* SPDX-License-Identifier: GPL-2.0 */
2/* Microchip switch driver common header
3 *
4 * Copyright (C) 2017-2019 Microchip Technology Inc.
5 */
6
7#ifndef __KSZ_COMMON_H
8#define __KSZ_COMMON_H
9
10#include <linux/etherdevice.h>
11#include <linux/kernel.h>
12#include <linux/mutex.h>
13#include <linux/phy.h>
14#include <linux/regmap.h>
15#include <net/dsa.h>
16#include <linux/irq.h>
17#include <linux/platform_data/microchip-ksz.h>
18
19#include "ksz_ptp.h"
20
21#define KSZ_MAX_NUM_PORTS 8
22
23struct ksz_device;
24struct ksz_port;
25
26enum ksz_regmap_width {
27 KSZ_REGMAP_8,
28 KSZ_REGMAP_16,
29 KSZ_REGMAP_32,
30 __KSZ_NUM_REGMAPS,
31};
32
33struct vlan_table {
34 u32 table[3];
35};
36
37struct ksz_port_mib {
38 struct mutex cnt_mutex; /* structure access */
39 u8 cnt_ptr;
40 u64 *counters;
41 struct rtnl_link_stats64 stats64;
42 struct ethtool_pause_stats pause_stats;
43 struct spinlock stats64_lock;
44};
45
46struct ksz_mib_names {
47 int index;
48 char string[ETH_GSTRING_LEN];
49};
50
51struct ksz_chip_data {
52 u32 chip_id;
53 const char *dev_name;
54 int num_vlans;
55 int num_alus;
56 int num_statics;
57 int cpu_ports;
58 int port_cnt;
59 u8 port_nirqs;
60 u8 num_tx_queues;
61 bool tc_cbs_supported;
62 bool tc_ets_supported;
63 const struct ksz_dev_ops *ops;
64 bool ksz87xx_eee_link_erratum;
65 const struct ksz_mib_names *mib_names;
66 int mib_cnt;
67 u8 reg_mib_cnt;
68 const u16 *regs;
69 const u32 *masks;
70 const u8 *shifts;
71 const u8 *xmii_ctrl0;
72 const u8 *xmii_ctrl1;
73 int stp_ctrl_reg;
74 int broadcast_ctrl_reg;
75 int multicast_ctrl_reg;
76 int start_ctrl_reg;
77 bool supports_mii[KSZ_MAX_NUM_PORTS];
78 bool supports_rmii[KSZ_MAX_NUM_PORTS];
79 bool supports_rgmii[KSZ_MAX_NUM_PORTS];
80 bool internal_phy[KSZ_MAX_NUM_PORTS];
81 bool gbit_capable[KSZ_MAX_NUM_PORTS];
82 const struct regmap_access_table *wr_table;
83 const struct regmap_access_table *rd_table;
84};
85
86struct ksz_irq {
87 u16 masked;
88 u16 reg_mask;
89 u16 reg_status;
90 struct irq_domain *domain;
91 int nirqs;
92 int irq_num;
93 char name[16];
94 struct ksz_device *dev;
95};
96
97struct ksz_ptp_irq {
98 struct ksz_port *port;
99 u16 ts_reg;
100 bool ts_en;
101 char name[16];
102 int num;
103};
104
105struct ksz_switch_macaddr {
106 unsigned char addr[ETH_ALEN];
107 refcount_t refcount;
108};
109
110struct ksz_port {
111 bool remove_tag; /* Remove Tag flag set, for ksz8795 only */
112 bool learning;
113 int stp_state;
114 struct phy_device phydev;
115
116 u32 fiber:1; /* port is fiber */
117 u32 force:1;
118 u32 read:1; /* read MIB counters in background */
119 u32 freeze:1; /* MIB counter freeze is enabled */
120
121 struct ksz_port_mib mib;
122 phy_interface_t interface;
123 u32 rgmii_tx_val;
124 u32 rgmii_rx_val;
125 struct ksz_device *ksz_dev;
126 void *acl_priv;
127 struct ksz_irq pirq;
128 u8 num;
129#if IS_ENABLED(CONFIG_NET_DSA_MICROCHIP_KSZ_PTP)
130 struct hwtstamp_config tstamp_config;
131 bool hwts_tx_en;
132 bool hwts_rx_en;
133 struct ksz_irq ptpirq;
134 struct ksz_ptp_irq ptpmsg_irq[3];
135 ktime_t tstamp_msg;
136 struct completion tstamp_msg_comp;
137#endif
138 bool manual_flow;
139};
140
141struct ksz_device {
142 struct dsa_switch *ds;
143 struct ksz_platform_data *pdata;
144 const struct ksz_chip_data *info;
145
146 struct mutex dev_mutex; /* device access */
147 struct mutex regmap_mutex; /* regmap access */
148 struct mutex alu_mutex; /* ALU access */
149 struct mutex vlan_mutex; /* vlan access */
150 const struct ksz_dev_ops *dev_ops;
151
152 struct device *dev;
153 struct regmap *regmap[__KSZ_NUM_REGMAPS];
154
155 void *priv;
156 int irq;
157
158 struct gpio_desc *reset_gpio; /* Optional reset GPIO */
159
160 /* chip specific data */
161 u32 chip_id;
162 u8 chip_rev;
163 int cpu_port; /* port connected to CPU */
164 int phy_port_cnt;
165 phy_interface_t compat_interface;
166 bool synclko_125;
167 bool synclko_disable;
168 bool wakeup_source;
169
170 struct vlan_table *vlan_cache;
171
172 struct ksz_port *ports;
173 struct delayed_work mib_read;
174 unsigned long mib_read_interval;
175 u16 mirror_rx;
176 u16 mirror_tx;
177 u16 port_mask;
178 struct mutex lock_irq; /* IRQ Access */
179 struct ksz_irq girq;
180 struct ksz_ptp_data ptp_data;
181
182 struct ksz_switch_macaddr *switch_macaddr;
183 struct net_device *hsr_dev; /* HSR */
184 u8 hsr_ports;
185};
186
187/* List of supported models */
188enum ksz_model {
189 KSZ8563,
190 KSZ8795,
191 KSZ8794,
192 KSZ8765,
193 KSZ8830,
194 KSZ9477,
195 KSZ9896,
196 KSZ9897,
197 KSZ9893,
198 KSZ9563,
199 KSZ9567,
200 LAN9370,
201 LAN9371,
202 LAN9372,
203 LAN9373,
204 LAN9374,
205};
206
207enum ksz_regs {
208 REG_SW_MAC_ADDR,
209 REG_IND_CTRL_0,
210 REG_IND_DATA_8,
211 REG_IND_DATA_CHECK,
212 REG_IND_DATA_HI,
213 REG_IND_DATA_LO,
214 REG_IND_MIB_CHECK,
215 REG_IND_BYTE,
216 P_FORCE_CTRL,
217 P_LINK_STATUS,
218 P_LOCAL_CTRL,
219 P_NEG_RESTART_CTRL,
220 P_REMOTE_STATUS,
221 P_SPEED_STATUS,
222 S_TAIL_TAG_CTRL,
223 P_STP_CTRL,
224 S_START_CTRL,
225 S_BROADCAST_CTRL,
226 S_MULTICAST_CTRL,
227 P_XMII_CTRL_0,
228 P_XMII_CTRL_1,
229};
230
231enum ksz_masks {
232 PORT_802_1P_REMAPPING,
233 SW_TAIL_TAG_ENABLE,
234 MIB_COUNTER_OVERFLOW,
235 MIB_COUNTER_VALID,
236 VLAN_TABLE_FID,
237 VLAN_TABLE_MEMBERSHIP,
238 VLAN_TABLE_VALID,
239 STATIC_MAC_TABLE_VALID,
240 STATIC_MAC_TABLE_USE_FID,
241 STATIC_MAC_TABLE_FID,
242 STATIC_MAC_TABLE_OVERRIDE,
243 STATIC_MAC_TABLE_FWD_PORTS,
244 DYNAMIC_MAC_TABLE_ENTRIES_H,
245 DYNAMIC_MAC_TABLE_MAC_EMPTY,
246 DYNAMIC_MAC_TABLE_NOT_READY,
247 DYNAMIC_MAC_TABLE_ENTRIES,
248 DYNAMIC_MAC_TABLE_FID,
249 DYNAMIC_MAC_TABLE_SRC_PORT,
250 DYNAMIC_MAC_TABLE_TIMESTAMP,
251 ALU_STAT_WRITE,
252 ALU_STAT_READ,
253 P_MII_TX_FLOW_CTRL,
254 P_MII_RX_FLOW_CTRL,
255};
256
257enum ksz_shifts {
258 VLAN_TABLE_MEMBERSHIP_S,
259 VLAN_TABLE,
260 STATIC_MAC_FWD_PORTS,
261 STATIC_MAC_FID,
262 DYNAMIC_MAC_ENTRIES_H,
263 DYNAMIC_MAC_ENTRIES,
264 DYNAMIC_MAC_FID,
265 DYNAMIC_MAC_TIMESTAMP,
266 DYNAMIC_MAC_SRC_PORT,
267 ALU_STAT_INDEX,
268};
269
270enum ksz_xmii_ctrl0 {
271 P_MII_100MBIT,
272 P_MII_10MBIT,
273 P_MII_FULL_DUPLEX,
274 P_MII_HALF_DUPLEX,
275};
276
277enum ksz_xmii_ctrl1 {
278 P_RGMII_SEL,
279 P_RMII_SEL,
280 P_GMII_SEL,
281 P_MII_SEL,
282 P_GMII_1GBIT,
283 P_GMII_NOT_1GBIT,
284};
285
286struct alu_struct {
287 /* entry 1 */
288 u8 is_static:1;
289 u8 is_src_filter:1;
290 u8 is_dst_filter:1;
291 u8 prio_age:3;
292 u32 _reserv_0_1:23;
293 u8 mstp:3;
294 /* entry 2 */
295 u8 is_override:1;
296 u8 is_use_fid:1;
297 u32 _reserv_1_1:23;
298 u8 port_forward:7;
299 /* entry 3 & 4*/
300 u32 _reserv_2_1:9;
301 u8 fid:7;
302 u8 mac[ETH_ALEN];
303};
304
305struct ksz_dev_ops {
306 int (*setup)(struct dsa_switch *ds);
307 void (*teardown)(struct dsa_switch *ds);
308 u32 (*get_port_addr)(int port, int offset);
309 void (*cfg_port_member)(struct ksz_device *dev, int port, u8 member);
310 void (*flush_dyn_mac_table)(struct ksz_device *dev, int port);
311 void (*port_cleanup)(struct ksz_device *dev, int port);
312 void (*port_setup)(struct ksz_device *dev, int port, bool cpu_port);
313 int (*set_ageing_time)(struct ksz_device *dev, unsigned int msecs);
314 int (*r_phy)(struct ksz_device *dev, u16 phy, u16 reg, u16 *val);
315 int (*w_phy)(struct ksz_device *dev, u16 phy, u16 reg, u16 val);
316 void (*r_mib_cnt)(struct ksz_device *dev, int port, u16 addr,
317 u64 *cnt);
318 void (*r_mib_pkt)(struct ksz_device *dev, int port, u16 addr,
319 u64 *dropped, u64 *cnt);
320 void (*r_mib_stat64)(struct ksz_device *dev, int port);
321 int (*vlan_filtering)(struct ksz_device *dev, int port,
322 bool flag, struct netlink_ext_ack *extack);
323 int (*vlan_add)(struct ksz_device *dev, int port,
324 const struct switchdev_obj_port_vlan *vlan,
325 struct netlink_ext_ack *extack);
326 int (*vlan_del)(struct ksz_device *dev, int port,
327 const struct switchdev_obj_port_vlan *vlan);
328 int (*mirror_add)(struct ksz_device *dev, int port,
329 struct dsa_mall_mirror_tc_entry *mirror,
330 bool ingress, struct netlink_ext_ack *extack);
331 void (*mirror_del)(struct ksz_device *dev, int port,
332 struct dsa_mall_mirror_tc_entry *mirror);
333 int (*fdb_add)(struct ksz_device *dev, int port,
334 const unsigned char *addr, u16 vid, struct dsa_db db);
335 int (*fdb_del)(struct ksz_device *dev, int port,
336 const unsigned char *addr, u16 vid, struct dsa_db db);
337 int (*fdb_dump)(struct ksz_device *dev, int port,
338 dsa_fdb_dump_cb_t *cb, void *data);
339 int (*mdb_add)(struct ksz_device *dev, int port,
340 const struct switchdev_obj_port_mdb *mdb,
341 struct dsa_db db);
342 int (*mdb_del)(struct ksz_device *dev, int port,
343 const struct switchdev_obj_port_mdb *mdb,
344 struct dsa_db db);
345 void (*get_caps)(struct ksz_device *dev, int port,
346 struct phylink_config *config);
347 int (*change_mtu)(struct ksz_device *dev, int port, int mtu);
348 void (*freeze_mib)(struct ksz_device *dev, int port, bool freeze);
349 void (*port_init_cnt)(struct ksz_device *dev, int port);
350 void (*phylink_mac_config)(struct ksz_device *dev, int port,
351 unsigned int mode,
352 const struct phylink_link_state *state);
353 void (*phylink_mac_link_up)(struct ksz_device *dev, int port,
354 unsigned int mode,
355 phy_interface_t interface,
356 struct phy_device *phydev, int speed,
357 int duplex, bool tx_pause, bool rx_pause);
358 void (*setup_rgmii_delay)(struct ksz_device *dev, int port);
359 int (*tc_cbs_set_cinc)(struct ksz_device *dev, int port, u32 val);
360 void (*get_wol)(struct ksz_device *dev, int port,
361 struct ethtool_wolinfo *wol);
362 int (*set_wol)(struct ksz_device *dev, int port,
363 struct ethtool_wolinfo *wol);
364 void (*wol_pre_shutdown)(struct ksz_device *dev, bool *wol_enabled);
365 void (*config_cpu_port)(struct dsa_switch *ds);
366 int (*enable_stp_addr)(struct ksz_device *dev);
367 int (*reset)(struct ksz_device *dev);
368 int (*init)(struct ksz_device *dev);
369 void (*exit)(struct ksz_device *dev);
370};
371
372struct ksz_device *ksz_switch_alloc(struct device *base, void *priv);
373int ksz_switch_register(struct ksz_device *dev);
374void ksz_switch_remove(struct ksz_device *dev);
375
376void ksz_init_mib_timer(struct ksz_device *dev);
377bool ksz_is_port_mac_global_usable(struct dsa_switch *ds, int port);
378void ksz_r_mib_stats64(struct ksz_device *dev, int port);
379void ksz88xx_r_mib_stats64(struct ksz_device *dev, int port);
380void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state);
381bool ksz_get_gbit(struct ksz_device *dev, int port);
382phy_interface_t ksz_get_xmii(struct ksz_device *dev, int port, bool gbit);
383extern const struct ksz_chip_data ksz_switch_chips[];
384int ksz_switch_macaddr_get(struct dsa_switch *ds, int port,
385 struct netlink_ext_ack *extack);
386void ksz_switch_macaddr_put(struct dsa_switch *ds);
387void ksz_switch_shutdown(struct ksz_device *dev);
388
389/* Common register access functions */
390static inline struct regmap *ksz_regmap_8(struct ksz_device *dev)
391{
392 return dev->regmap[KSZ_REGMAP_8];
393}
394
395static inline struct regmap *ksz_regmap_16(struct ksz_device *dev)
396{
397 return dev->regmap[KSZ_REGMAP_16];
398}
399
400static inline struct regmap *ksz_regmap_32(struct ksz_device *dev)
401{
402 return dev->regmap[KSZ_REGMAP_32];
403}
404
405static inline int ksz_read8(struct ksz_device *dev, u32 reg, u8 *val)
406{
407 unsigned int value;
408 int ret = regmap_read(ksz_regmap_8(dev), reg, &value);
409
410 if (ret)
411 dev_err(dev->dev, "can't read 8bit reg: 0x%x %pe\n", reg,
412 ERR_PTR(ret));
413
414 *val = value;
415 return ret;
416}
417
418static inline int ksz_read16(struct ksz_device *dev, u32 reg, u16 *val)
419{
420 unsigned int value;
421 int ret = regmap_read(ksz_regmap_16(dev), reg, &value);
422
423 if (ret)
424 dev_err(dev->dev, "can't read 16bit reg: 0x%x %pe\n", reg,
425 ERR_PTR(ret));
426
427 *val = value;
428 return ret;
429}
430
431static inline int ksz_read32(struct ksz_device *dev, u32 reg, u32 *val)
432{
433 unsigned int value;
434 int ret = regmap_read(ksz_regmap_32(dev), reg, &value);
435
436 if (ret)
437 dev_err(dev->dev, "can't read 32bit reg: 0x%x %pe\n", reg,
438 ERR_PTR(ret));
439
440 *val = value;
441 return ret;
442}
443
444static inline int ksz_read64(struct ksz_device *dev, u32 reg, u64 *val)
445{
446 u32 value[2];
447 int ret;
448
449 ret = regmap_bulk_read(ksz_regmap_32(dev), reg, value, 2);
450 if (ret)
451 dev_err(dev->dev, "can't read 64bit reg: 0x%x %pe\n", reg,
452 ERR_PTR(ret));
453 else
454 *val = (u64)value[0] << 32 | value[1];
455
456 return ret;
457}
458
459static inline int ksz_write8(struct ksz_device *dev, u32 reg, u8 value)
460{
461 int ret;
462
463 ret = regmap_write(ksz_regmap_8(dev), reg, value);
464 if (ret)
465 dev_err(dev->dev, "can't write 8bit reg: 0x%x %pe\n", reg,
466 ERR_PTR(ret));
467
468 return ret;
469}
470
471static inline int ksz_write16(struct ksz_device *dev, u32 reg, u16 value)
472{
473 int ret;
474
475 ret = regmap_write(ksz_regmap_16(dev), reg, value);
476 if (ret)
477 dev_err(dev->dev, "can't write 16bit reg: 0x%x %pe\n", reg,
478 ERR_PTR(ret));
479
480 return ret;
481}
482
483static inline int ksz_write32(struct ksz_device *dev, u32 reg, u32 value)
484{
485 int ret;
486
487 ret = regmap_write(ksz_regmap_32(dev), reg, value);
488 if (ret)
489 dev_err(dev->dev, "can't write 32bit reg: 0x%x %pe\n", reg,
490 ERR_PTR(ret));
491
492 return ret;
493}
494
495static inline int ksz_rmw16(struct ksz_device *dev, u32 reg, u16 mask,
496 u16 value)
497{
498 int ret;
499
500 ret = regmap_update_bits(ksz_regmap_16(dev), reg, mask, value);
501 if (ret)
502 dev_err(dev->dev, "can't rmw 16bit reg 0x%x: %pe\n", reg,
503 ERR_PTR(ret));
504
505 return ret;
506}
507
508static inline int ksz_rmw32(struct ksz_device *dev, u32 reg, u32 mask,
509 u32 value)
510{
511 int ret;
512
513 ret = regmap_update_bits(ksz_regmap_32(dev), reg, mask, value);
514 if (ret)
515 dev_err(dev->dev, "can't rmw 32bit reg 0x%x: %pe\n", reg,
516 ERR_PTR(ret));
517
518 return ret;
519}
520
521static inline int ksz_write64(struct ksz_device *dev, u32 reg, u64 value)
522{
523 u32 val[2];
524
525 /* Ick! ToDo: Add 64bit R/W to regmap on 32bit systems */
526 value = swab64(value);
527 val[0] = swab32(value & 0xffffffffULL);
528 val[1] = swab32(value >> 32ULL);
529
530 return regmap_bulk_write(ksz_regmap_32(dev), reg, val, 2);
531}
532
533static inline int ksz_rmw8(struct ksz_device *dev, int offset, u8 mask, u8 val)
534{
535 int ret;
536
537 ret = regmap_update_bits(ksz_regmap_8(dev), offset, mask, val);
538 if (ret)
539 dev_err(dev->dev, "can't rmw 8bit reg 0x%x: %pe\n", offset,
540 ERR_PTR(ret));
541
542 return ret;
543}
544
545static inline int ksz_pread8(struct ksz_device *dev, int port, int offset,
546 u8 *data)
547{
548 return ksz_read8(dev, dev->dev_ops->get_port_addr(port, offset), data);
549}
550
551static inline int ksz_pread16(struct ksz_device *dev, int port, int offset,
552 u16 *data)
553{
554 return ksz_read16(dev, dev->dev_ops->get_port_addr(port, offset), data);
555}
556
557static inline int ksz_pread32(struct ksz_device *dev, int port, int offset,
558 u32 *data)
559{
560 return ksz_read32(dev, dev->dev_ops->get_port_addr(port, offset), data);
561}
562
563static inline int ksz_pwrite8(struct ksz_device *dev, int port, int offset,
564 u8 data)
565{
566 return ksz_write8(dev, dev->dev_ops->get_port_addr(port, offset), data);
567}
568
569static inline int ksz_pwrite16(struct ksz_device *dev, int port, int offset,
570 u16 data)
571{
572 return ksz_write16(dev, dev->dev_ops->get_port_addr(port, offset),
573 data);
574}
575
576static inline int ksz_pwrite32(struct ksz_device *dev, int port, int offset,
577 u32 data)
578{
579 return ksz_write32(dev, dev->dev_ops->get_port_addr(port, offset),
580 data);
581}
582
583static inline int ksz_prmw8(struct ksz_device *dev, int port, int offset,
584 u8 mask, u8 val)
585{
586 return ksz_rmw8(dev, dev->dev_ops->get_port_addr(port, offset),
587 mask, val);
588}
589
590static inline int ksz_prmw32(struct ksz_device *dev, int port, int offset,
591 u32 mask, u32 val)
592{
593 return ksz_rmw32(dev, dev->dev_ops->get_port_addr(port, offset),
594 mask, val);
595}
596
597static inline void ksz_regmap_lock(void *__mtx)
598{
599 struct mutex *mtx = __mtx;
600 mutex_lock(mtx);
601}
602
603static inline void ksz_regmap_unlock(void *__mtx)
604{
605 struct mutex *mtx = __mtx;
606 mutex_unlock(mtx);
607}
608
609static inline bool ksz_is_ksz87xx(struct ksz_device *dev)
610{
611 return dev->chip_id == KSZ8795_CHIP_ID ||
612 dev->chip_id == KSZ8794_CHIP_ID ||
613 dev->chip_id == KSZ8765_CHIP_ID;
614}
615
616static inline bool ksz_is_ksz88x3(struct ksz_device *dev)
617{
618 return dev->chip_id == KSZ8830_CHIP_ID;
619}
620
621static inline int is_lan937x(struct ksz_device *dev)
622{
623 return dev->chip_id == LAN9370_CHIP_ID ||
624 dev->chip_id == LAN9371_CHIP_ID ||
625 dev->chip_id == LAN9372_CHIP_ID ||
626 dev->chip_id == LAN9373_CHIP_ID ||
627 dev->chip_id == LAN9374_CHIP_ID;
628}
629
630/* STP State Defines */
631#define PORT_TX_ENABLE BIT(2)
632#define PORT_RX_ENABLE BIT(1)
633#define PORT_LEARN_DISABLE BIT(0)
634
635/* Switch ID Defines */
636#define REG_CHIP_ID0 0x00
637
638#define SW_FAMILY_ID_M GENMASK(15, 8)
639#define KSZ87_FAMILY_ID 0x87
640#define KSZ88_FAMILY_ID 0x88
641
642#define KSZ8_PORT_STATUS_0 0x08
643#define KSZ8_PORT_FIBER_MODE BIT(7)
644
645#define SW_CHIP_ID_M GENMASK(7, 4)
646#define KSZ87_CHIP_ID_94 0x6
647#define KSZ87_CHIP_ID_95 0x9
648#define KSZ88_CHIP_ID_63 0x3
649
650#define SW_REV_ID_M GENMASK(7, 4)
651
652/* KSZ9893, KSZ9563, KSZ8563 specific register */
653#define REG_CHIP_ID4 0x0f
654#define SKU_ID_KSZ8563 0x3c
655#define SKU_ID_KSZ9563 0x1c
656
657/* Driver set switch broadcast storm protection at 10% rate. */
658#define BROADCAST_STORM_PROT_RATE 10
659
660/* 148,800 frames * 67 ms / 100 */
661#define BROADCAST_STORM_VALUE 9969
662
663#define BROADCAST_STORM_RATE_HI 0x07
664#define BROADCAST_STORM_RATE_LO 0xFF
665#define BROADCAST_STORM_RATE 0x07FF
666
667#define MULTICAST_STORM_DISABLE BIT(6)
668
669#define SW_START 0x01
670
671/* xMII configuration */
672#define P_MII_DUPLEX_M BIT(6)
673#define P_MII_100MBIT_M BIT(4)
674
675#define P_GMII_1GBIT_M BIT(6)
676#define P_RGMII_ID_IG_ENABLE BIT(4)
677#define P_RGMII_ID_EG_ENABLE BIT(3)
678#define P_MII_MAC_MODE BIT(2)
679#define P_MII_SEL_M 0x3
680
681/* Interrupt */
682#define REG_SW_PORT_INT_STATUS__1 0x001B
683#define REG_SW_PORT_INT_MASK__1 0x001F
684
685#define REG_PORT_INT_STATUS 0x001B
686#define REG_PORT_INT_MASK 0x001F
687
688#define PORT_SRC_PHY_INT 1
689#define PORT_SRC_PTP_INT 2
690
691#define KSZ8795_HUGE_PACKET_SIZE 2000
692#define KSZ8863_HUGE_PACKET_SIZE 1916
693#define KSZ8863_NORMAL_PACKET_SIZE 1536
694#define KSZ8_LEGAL_PACKET_SIZE 1518
695#define KSZ9477_MAX_FRAME_SIZE 9000
696
697#define KSZ8873_REG_GLOBAL_CTRL_12 0x0e
698/* Drive Strength of I/O Pad
699 * 0: 8mA, 1: 16mA
700 */
701#define KSZ8873_DRIVE_STRENGTH_16MA BIT(6)
702
703#define KSZ8795_REG_SW_CTRL_20 0xa3
704#define KSZ9477_REG_SW_IO_STRENGTH 0x010d
705#define SW_DRIVE_STRENGTH_M 0x7
706#define SW_DRIVE_STRENGTH_2MA 0
707#define SW_DRIVE_STRENGTH_4MA 1
708#define SW_DRIVE_STRENGTH_8MA 2
709#define SW_DRIVE_STRENGTH_12MA 3
710#define SW_DRIVE_STRENGTH_16MA 4
711#define SW_DRIVE_STRENGTH_20MA 5
712#define SW_DRIVE_STRENGTH_24MA 6
713#define SW_DRIVE_STRENGTH_28MA 7
714#define SW_HI_SPEED_DRIVE_STRENGTH_S 4
715#define SW_LO_SPEED_DRIVE_STRENGTH_S 0
716
717#define KSZ9477_REG_PORT_OUT_RATE_0 0x0420
718#define KSZ9477_OUT_RATE_NO_LIMIT 0
719
720#define KSZ9477_PORT_MRI_TC_MAP__4 0x0808
721
722#define KSZ9477_PORT_TC_MAP_S 4
723#define KSZ9477_MAX_TC_PRIO 7
724
725/* CBS related registers */
726#define REG_PORT_MTI_QUEUE_INDEX__4 0x0900
727
728#define REG_PORT_MTI_QUEUE_CTRL_0 0x0914
729
730#define MTI_SCHEDULE_MODE_M GENMASK(7, 6)
731#define MTI_SCHEDULE_STRICT_PRIO 0
732#define MTI_SCHEDULE_WRR 2
733#define MTI_SHAPING_M GENMASK(5, 4)
734#define MTI_SHAPING_OFF 0
735#define MTI_SHAPING_SRP 1
736#define MTI_SHAPING_TIME_AWARE 2
737
738#define KSZ9477_PORT_MTI_QUEUE_CTRL_1 0x0915
739#define KSZ9477_DEFAULT_WRR_WEIGHT 1
740
741#define REG_PORT_MTI_HI_WATER_MARK 0x0916
742#define REG_PORT_MTI_LO_WATER_MARK 0x0918
743
744/* Regmap tables generation */
745#define KSZ_SPI_OP_RD 3
746#define KSZ_SPI_OP_WR 2
747
748#define swabnot_used(x) 0
749
750#define KSZ_SPI_OP_FLAG_MASK(opcode, swp, regbits, regpad) \
751 swab##swp((opcode) << ((regbits) + (regpad)))
752
753#define KSZ_REGMAP_ENTRY(width, swp, regbits, regpad, regalign) \
754 { \
755 .name = #width, \
756 .val_bits = (width), \
757 .reg_stride = 1, \
758 .reg_bits = (regbits) + (regalign), \
759 .pad_bits = (regpad), \
760 .max_register = BIT(regbits) - 1, \
761 .cache_type = REGCACHE_NONE, \
762 .read_flag_mask = \
763 KSZ_SPI_OP_FLAG_MASK(KSZ_SPI_OP_RD, swp, \
764 regbits, regpad), \
765 .write_flag_mask = \
766 KSZ_SPI_OP_FLAG_MASK(KSZ_SPI_OP_WR, swp, \
767 regbits, regpad), \
768 .lock = ksz_regmap_lock, \
769 .unlock = ksz_regmap_unlock, \
770 .reg_format_endian = REGMAP_ENDIAN_BIG, \
771 .val_format_endian = REGMAP_ENDIAN_BIG \
772 }
773
774#define KSZ_REGMAP_TABLE(ksz, swp, regbits, regpad, regalign) \
775 static const struct regmap_config ksz##_regmap_config[] = { \
776 [KSZ_REGMAP_8] = KSZ_REGMAP_ENTRY(8, swp, (regbits), (regpad), (regalign)), \
777 [KSZ_REGMAP_16] = KSZ_REGMAP_ENTRY(16, swp, (regbits), (regpad), (regalign)), \
778 [KSZ_REGMAP_32] = KSZ_REGMAP_ENTRY(32, swp, (regbits), (regpad), (regalign)), \
779 }
780
781#endif
1/* SPDX-License-Identifier: GPL-2.0 */
2/* Microchip switch driver common header
3 *
4 * Copyright (C) 2017-2019 Microchip Technology Inc.
5 */
6
7#ifndef __KSZ_COMMON_H
8#define __KSZ_COMMON_H
9
10#include <linux/etherdevice.h>
11#include <linux/kernel.h>
12#include <linux/mutex.h>
13#include <linux/phy.h>
14#include <linux/regmap.h>
15#include <net/dsa.h>
16#include <linux/irq.h>
17
18#define KSZ_MAX_NUM_PORTS 8
19
20struct ksz_device;
21
22struct vlan_table {
23 u32 table[3];
24};
25
26struct ksz_port_mib {
27 struct mutex cnt_mutex; /* structure access */
28 u8 cnt_ptr;
29 u64 *counters;
30 struct rtnl_link_stats64 stats64;
31 struct ethtool_pause_stats pause_stats;
32 struct spinlock stats64_lock;
33};
34
35struct ksz_mib_names {
36 int index;
37 char string[ETH_GSTRING_LEN];
38};
39
40struct ksz_chip_data {
41 u32 chip_id;
42 const char *dev_name;
43 int num_vlans;
44 int num_alus;
45 int num_statics;
46 int cpu_ports;
47 int port_cnt;
48 u8 port_nirqs;
49 const struct ksz_dev_ops *ops;
50 bool phy_errata_9477;
51 bool ksz87xx_eee_link_erratum;
52 const struct ksz_mib_names *mib_names;
53 int mib_cnt;
54 u8 reg_mib_cnt;
55 const u16 *regs;
56 const u32 *masks;
57 const u8 *shifts;
58 const u8 *xmii_ctrl0;
59 const u8 *xmii_ctrl1;
60 int stp_ctrl_reg;
61 int broadcast_ctrl_reg;
62 int multicast_ctrl_reg;
63 int start_ctrl_reg;
64 bool supports_mii[KSZ_MAX_NUM_PORTS];
65 bool supports_rmii[KSZ_MAX_NUM_PORTS];
66 bool supports_rgmii[KSZ_MAX_NUM_PORTS];
67 bool internal_phy[KSZ_MAX_NUM_PORTS];
68 bool gbit_capable[KSZ_MAX_NUM_PORTS];
69 const struct regmap_access_table *wr_table;
70 const struct regmap_access_table *rd_table;
71};
72
73struct ksz_irq {
74 u16 masked;
75 u16 reg_mask;
76 u16 reg_status;
77 struct irq_domain *domain;
78 int nirqs;
79 int irq_num;
80 char name[16];
81 struct ksz_device *dev;
82};
83
84struct ksz_port {
85 bool remove_tag; /* Remove Tag flag set, for ksz8795 only */
86 bool learning;
87 int stp_state;
88 struct phy_device phydev;
89
90 u32 on:1; /* port is not disabled by hardware */
91 u32 fiber:1; /* port is fiber */
92 u32 force:1;
93 u32 read:1; /* read MIB counters in background */
94 u32 freeze:1; /* MIB counter freeze is enabled */
95
96 struct ksz_port_mib mib;
97 phy_interface_t interface;
98 u32 rgmii_tx_val;
99 u32 rgmii_rx_val;
100 struct ksz_device *ksz_dev;
101 struct ksz_irq pirq;
102 u8 num;
103};
104
105struct ksz_device {
106 struct dsa_switch *ds;
107 struct ksz_platform_data *pdata;
108 const struct ksz_chip_data *info;
109
110 struct mutex dev_mutex; /* device access */
111 struct mutex regmap_mutex; /* regmap access */
112 struct mutex alu_mutex; /* ALU access */
113 struct mutex vlan_mutex; /* vlan access */
114 const struct ksz_dev_ops *dev_ops;
115
116 struct device *dev;
117 struct regmap *regmap[3];
118
119 void *priv;
120 int irq;
121
122 struct gpio_desc *reset_gpio; /* Optional reset GPIO */
123
124 /* chip specific data */
125 u32 chip_id;
126 u8 chip_rev;
127 int cpu_port; /* port connected to CPU */
128 int phy_port_cnt;
129 phy_interface_t compat_interface;
130 bool synclko_125;
131 bool synclko_disable;
132
133 struct vlan_table *vlan_cache;
134
135 struct ksz_port *ports;
136 struct delayed_work mib_read;
137 unsigned long mib_read_interval;
138 u16 mirror_rx;
139 u16 mirror_tx;
140 u16 port_mask;
141 struct mutex lock_irq; /* IRQ Access */
142 struct ksz_irq girq;
143};
144
145/* List of supported models */
146enum ksz_model {
147 KSZ8563,
148 KSZ8795,
149 KSZ8794,
150 KSZ8765,
151 KSZ8830,
152 KSZ9477,
153 KSZ9896,
154 KSZ9897,
155 KSZ9893,
156 KSZ9563,
157 KSZ9567,
158 LAN9370,
159 LAN9371,
160 LAN9372,
161 LAN9373,
162 LAN9374,
163};
164
165enum ksz_chip_id {
166 KSZ8563_CHIP_ID = 0x8563,
167 KSZ8795_CHIP_ID = 0x8795,
168 KSZ8794_CHIP_ID = 0x8794,
169 KSZ8765_CHIP_ID = 0x8765,
170 KSZ8830_CHIP_ID = 0x8830,
171 KSZ9477_CHIP_ID = 0x00947700,
172 KSZ9896_CHIP_ID = 0x00989600,
173 KSZ9897_CHIP_ID = 0x00989700,
174 KSZ9893_CHIP_ID = 0x00989300,
175 KSZ9563_CHIP_ID = 0x00956300,
176 KSZ9567_CHIP_ID = 0x00956700,
177 LAN9370_CHIP_ID = 0x00937000,
178 LAN9371_CHIP_ID = 0x00937100,
179 LAN9372_CHIP_ID = 0x00937200,
180 LAN9373_CHIP_ID = 0x00937300,
181 LAN9374_CHIP_ID = 0x00937400,
182};
183
184enum ksz_regs {
185 REG_IND_CTRL_0,
186 REG_IND_DATA_8,
187 REG_IND_DATA_CHECK,
188 REG_IND_DATA_HI,
189 REG_IND_DATA_LO,
190 REG_IND_MIB_CHECK,
191 REG_IND_BYTE,
192 P_FORCE_CTRL,
193 P_LINK_STATUS,
194 P_LOCAL_CTRL,
195 P_NEG_RESTART_CTRL,
196 P_REMOTE_STATUS,
197 P_SPEED_STATUS,
198 S_TAIL_TAG_CTRL,
199 P_STP_CTRL,
200 S_START_CTRL,
201 S_BROADCAST_CTRL,
202 S_MULTICAST_CTRL,
203 P_XMII_CTRL_0,
204 P_XMII_CTRL_1,
205};
206
207enum ksz_masks {
208 PORT_802_1P_REMAPPING,
209 SW_TAIL_TAG_ENABLE,
210 MIB_COUNTER_OVERFLOW,
211 MIB_COUNTER_VALID,
212 VLAN_TABLE_FID,
213 VLAN_TABLE_MEMBERSHIP,
214 VLAN_TABLE_VALID,
215 STATIC_MAC_TABLE_VALID,
216 STATIC_MAC_TABLE_USE_FID,
217 STATIC_MAC_TABLE_FID,
218 STATIC_MAC_TABLE_OVERRIDE,
219 STATIC_MAC_TABLE_FWD_PORTS,
220 DYNAMIC_MAC_TABLE_ENTRIES_H,
221 DYNAMIC_MAC_TABLE_MAC_EMPTY,
222 DYNAMIC_MAC_TABLE_NOT_READY,
223 DYNAMIC_MAC_TABLE_ENTRIES,
224 DYNAMIC_MAC_TABLE_FID,
225 DYNAMIC_MAC_TABLE_SRC_PORT,
226 DYNAMIC_MAC_TABLE_TIMESTAMP,
227 ALU_STAT_WRITE,
228 ALU_STAT_READ,
229 P_MII_TX_FLOW_CTRL,
230 P_MII_RX_FLOW_CTRL,
231};
232
233enum ksz_shifts {
234 VLAN_TABLE_MEMBERSHIP_S,
235 VLAN_TABLE,
236 STATIC_MAC_FWD_PORTS,
237 STATIC_MAC_FID,
238 DYNAMIC_MAC_ENTRIES_H,
239 DYNAMIC_MAC_ENTRIES,
240 DYNAMIC_MAC_FID,
241 DYNAMIC_MAC_TIMESTAMP,
242 DYNAMIC_MAC_SRC_PORT,
243 ALU_STAT_INDEX,
244};
245
246enum ksz_xmii_ctrl0 {
247 P_MII_100MBIT,
248 P_MII_10MBIT,
249 P_MII_FULL_DUPLEX,
250 P_MII_HALF_DUPLEX,
251};
252
253enum ksz_xmii_ctrl1 {
254 P_RGMII_SEL,
255 P_RMII_SEL,
256 P_GMII_SEL,
257 P_MII_SEL,
258 P_GMII_1GBIT,
259 P_GMII_NOT_1GBIT,
260};
261
262struct alu_struct {
263 /* entry 1 */
264 u8 is_static:1;
265 u8 is_src_filter:1;
266 u8 is_dst_filter:1;
267 u8 prio_age:3;
268 u32 _reserv_0_1:23;
269 u8 mstp:3;
270 /* entry 2 */
271 u8 is_override:1;
272 u8 is_use_fid:1;
273 u32 _reserv_1_1:23;
274 u8 port_forward:7;
275 /* entry 3 & 4*/
276 u32 _reserv_2_1:9;
277 u8 fid:7;
278 u8 mac[ETH_ALEN];
279};
280
281struct ksz_dev_ops {
282 int (*setup)(struct dsa_switch *ds);
283 void (*teardown)(struct dsa_switch *ds);
284 u32 (*get_port_addr)(int port, int offset);
285 void (*cfg_port_member)(struct ksz_device *dev, int port, u8 member);
286 void (*flush_dyn_mac_table)(struct ksz_device *dev, int port);
287 void (*port_cleanup)(struct ksz_device *dev, int port);
288 void (*port_setup)(struct ksz_device *dev, int port, bool cpu_port);
289 int (*set_ageing_time)(struct ksz_device *dev, unsigned int msecs);
290 int (*r_phy)(struct ksz_device *dev, u16 phy, u16 reg, u16 *val);
291 int (*w_phy)(struct ksz_device *dev, u16 phy, u16 reg, u16 val);
292 void (*r_mib_cnt)(struct ksz_device *dev, int port, u16 addr,
293 u64 *cnt);
294 void (*r_mib_pkt)(struct ksz_device *dev, int port, u16 addr,
295 u64 *dropped, u64 *cnt);
296 void (*r_mib_stat64)(struct ksz_device *dev, int port);
297 int (*vlan_filtering)(struct ksz_device *dev, int port,
298 bool flag, struct netlink_ext_ack *extack);
299 int (*vlan_add)(struct ksz_device *dev, int port,
300 const struct switchdev_obj_port_vlan *vlan,
301 struct netlink_ext_ack *extack);
302 int (*vlan_del)(struct ksz_device *dev, int port,
303 const struct switchdev_obj_port_vlan *vlan);
304 int (*mirror_add)(struct ksz_device *dev, int port,
305 struct dsa_mall_mirror_tc_entry *mirror,
306 bool ingress, struct netlink_ext_ack *extack);
307 void (*mirror_del)(struct ksz_device *dev, int port,
308 struct dsa_mall_mirror_tc_entry *mirror);
309 int (*fdb_add)(struct ksz_device *dev, int port,
310 const unsigned char *addr, u16 vid, struct dsa_db db);
311 int (*fdb_del)(struct ksz_device *dev, int port,
312 const unsigned char *addr, u16 vid, struct dsa_db db);
313 int (*fdb_dump)(struct ksz_device *dev, int port,
314 dsa_fdb_dump_cb_t *cb, void *data);
315 int (*mdb_add)(struct ksz_device *dev, int port,
316 const struct switchdev_obj_port_mdb *mdb,
317 struct dsa_db db);
318 int (*mdb_del)(struct ksz_device *dev, int port,
319 const struct switchdev_obj_port_mdb *mdb,
320 struct dsa_db db);
321 void (*get_caps)(struct ksz_device *dev, int port,
322 struct phylink_config *config);
323 int (*change_mtu)(struct ksz_device *dev, int port, int mtu);
324 void (*freeze_mib)(struct ksz_device *dev, int port, bool freeze);
325 void (*port_init_cnt)(struct ksz_device *dev, int port);
326 void (*phylink_mac_config)(struct ksz_device *dev, int port,
327 unsigned int mode,
328 const struct phylink_link_state *state);
329 void (*phylink_mac_link_up)(struct ksz_device *dev, int port,
330 unsigned int mode,
331 phy_interface_t interface,
332 struct phy_device *phydev, int speed,
333 int duplex, bool tx_pause, bool rx_pause);
334 void (*setup_rgmii_delay)(struct ksz_device *dev, int port);
335 void (*config_cpu_port)(struct dsa_switch *ds);
336 int (*enable_stp_addr)(struct ksz_device *dev);
337 int (*reset)(struct ksz_device *dev);
338 int (*init)(struct ksz_device *dev);
339 void (*exit)(struct ksz_device *dev);
340};
341
342struct ksz_device *ksz_switch_alloc(struct device *base, void *priv);
343int ksz_switch_register(struct ksz_device *dev);
344void ksz_switch_remove(struct ksz_device *dev);
345
346void ksz_init_mib_timer(struct ksz_device *dev);
347void ksz_r_mib_stats64(struct ksz_device *dev, int port);
348void ksz88xx_r_mib_stats64(struct ksz_device *dev, int port);
349void ksz_port_stp_state_set(struct dsa_switch *ds, int port, u8 state);
350bool ksz_get_gbit(struct ksz_device *dev, int port);
351phy_interface_t ksz_get_xmii(struct ksz_device *dev, int port, bool gbit);
352extern const struct ksz_chip_data ksz_switch_chips[];
353
354/* Common register access functions */
355
356static inline int ksz_read8(struct ksz_device *dev, u32 reg, u8 *val)
357{
358 unsigned int value;
359 int ret = regmap_read(dev->regmap[0], reg, &value);
360
361 if (ret)
362 dev_err(dev->dev, "can't read 8bit reg: 0x%x %pe\n", reg,
363 ERR_PTR(ret));
364
365 *val = value;
366 return ret;
367}
368
369static inline int ksz_read16(struct ksz_device *dev, u32 reg, u16 *val)
370{
371 unsigned int value;
372 int ret = regmap_read(dev->regmap[1], reg, &value);
373
374 if (ret)
375 dev_err(dev->dev, "can't read 16bit reg: 0x%x %pe\n", reg,
376 ERR_PTR(ret));
377
378 *val = value;
379 return ret;
380}
381
382static inline int ksz_read32(struct ksz_device *dev, u32 reg, u32 *val)
383{
384 unsigned int value;
385 int ret = regmap_read(dev->regmap[2], reg, &value);
386
387 if (ret)
388 dev_err(dev->dev, "can't read 32bit reg: 0x%x %pe\n", reg,
389 ERR_PTR(ret));
390
391 *val = value;
392 return ret;
393}
394
395static inline int ksz_read64(struct ksz_device *dev, u32 reg, u64 *val)
396{
397 u32 value[2];
398 int ret;
399
400 ret = regmap_bulk_read(dev->regmap[2], reg, value, 2);
401 if (ret)
402 dev_err(dev->dev, "can't read 64bit reg: 0x%x %pe\n", reg,
403 ERR_PTR(ret));
404 else
405 *val = (u64)value[0] << 32 | value[1];
406
407 return ret;
408}
409
410static inline int ksz_write8(struct ksz_device *dev, u32 reg, u8 value)
411{
412 int ret;
413
414 ret = regmap_write(dev->regmap[0], reg, value);
415 if (ret)
416 dev_err(dev->dev, "can't write 8bit reg: 0x%x %pe\n", reg,
417 ERR_PTR(ret));
418
419 return ret;
420}
421
422static inline int ksz_write16(struct ksz_device *dev, u32 reg, u16 value)
423{
424 int ret;
425
426 ret = regmap_write(dev->regmap[1], reg, value);
427 if (ret)
428 dev_err(dev->dev, "can't write 16bit reg: 0x%x %pe\n", reg,
429 ERR_PTR(ret));
430
431 return ret;
432}
433
434static inline int ksz_write32(struct ksz_device *dev, u32 reg, u32 value)
435{
436 int ret;
437
438 ret = regmap_write(dev->regmap[2], reg, value);
439 if (ret)
440 dev_err(dev->dev, "can't write 32bit reg: 0x%x %pe\n", reg,
441 ERR_PTR(ret));
442
443 return ret;
444}
445
446static inline int ksz_write64(struct ksz_device *dev, u32 reg, u64 value)
447{
448 u32 val[2];
449
450 /* Ick! ToDo: Add 64bit R/W to regmap on 32bit systems */
451 value = swab64(value);
452 val[0] = swab32(value & 0xffffffffULL);
453 val[1] = swab32(value >> 32ULL);
454
455 return regmap_bulk_write(dev->regmap[2], reg, val, 2);
456}
457
458static inline int ksz_rmw8(struct ksz_device *dev, int offset, u8 mask, u8 val)
459{
460 return regmap_update_bits(dev->regmap[0], offset, mask, val);
461}
462
463static inline int ksz_pread8(struct ksz_device *dev, int port, int offset,
464 u8 *data)
465{
466 return ksz_read8(dev, dev->dev_ops->get_port_addr(port, offset), data);
467}
468
469static inline int ksz_pread16(struct ksz_device *dev, int port, int offset,
470 u16 *data)
471{
472 return ksz_read16(dev, dev->dev_ops->get_port_addr(port, offset), data);
473}
474
475static inline int ksz_pread32(struct ksz_device *dev, int port, int offset,
476 u32 *data)
477{
478 return ksz_read32(dev, dev->dev_ops->get_port_addr(port, offset), data);
479}
480
481static inline int ksz_pwrite8(struct ksz_device *dev, int port, int offset,
482 u8 data)
483{
484 return ksz_write8(dev, dev->dev_ops->get_port_addr(port, offset), data);
485}
486
487static inline int ksz_pwrite16(struct ksz_device *dev, int port, int offset,
488 u16 data)
489{
490 return ksz_write16(dev, dev->dev_ops->get_port_addr(port, offset),
491 data);
492}
493
494static inline int ksz_pwrite32(struct ksz_device *dev, int port, int offset,
495 u32 data)
496{
497 return ksz_write32(dev, dev->dev_ops->get_port_addr(port, offset),
498 data);
499}
500
501static inline void ksz_prmw8(struct ksz_device *dev, int port, int offset,
502 u8 mask, u8 val)
503{
504 regmap_update_bits(dev->regmap[0],
505 dev->dev_ops->get_port_addr(port, offset),
506 mask, val);
507}
508
509static inline void ksz_regmap_lock(void *__mtx)
510{
511 struct mutex *mtx = __mtx;
512 mutex_lock(mtx);
513}
514
515static inline void ksz_regmap_unlock(void *__mtx)
516{
517 struct mutex *mtx = __mtx;
518 mutex_unlock(mtx);
519}
520
521static inline bool ksz_is_ksz88x3(struct ksz_device *dev)
522{
523 return dev->chip_id == KSZ8830_CHIP_ID;
524}
525
526static inline int is_lan937x(struct ksz_device *dev)
527{
528 return dev->chip_id == LAN9370_CHIP_ID ||
529 dev->chip_id == LAN9371_CHIP_ID ||
530 dev->chip_id == LAN9372_CHIP_ID ||
531 dev->chip_id == LAN9373_CHIP_ID ||
532 dev->chip_id == LAN9374_CHIP_ID;
533}
534
535/* STP State Defines */
536#define PORT_TX_ENABLE BIT(2)
537#define PORT_RX_ENABLE BIT(1)
538#define PORT_LEARN_DISABLE BIT(0)
539
540/* Switch ID Defines */
541#define REG_CHIP_ID0 0x00
542
543#define SW_FAMILY_ID_M GENMASK(15, 8)
544#define KSZ87_FAMILY_ID 0x87
545#define KSZ88_FAMILY_ID 0x88
546
547#define KSZ8_PORT_STATUS_0 0x08
548#define KSZ8_PORT_FIBER_MODE BIT(7)
549
550#define SW_CHIP_ID_M GENMASK(7, 4)
551#define KSZ87_CHIP_ID_94 0x6
552#define KSZ87_CHIP_ID_95 0x9
553#define KSZ88_CHIP_ID_63 0x3
554
555#define SW_REV_ID_M GENMASK(7, 4)
556
557/* KSZ9893, KSZ9563, KSZ8563 specific register */
558#define REG_CHIP_ID4 0x0f
559#define SKU_ID_KSZ8563 0x3c
560#define SKU_ID_KSZ9563 0x1c
561
562/* Driver set switch broadcast storm protection at 10% rate. */
563#define BROADCAST_STORM_PROT_RATE 10
564
565/* 148,800 frames * 67 ms / 100 */
566#define BROADCAST_STORM_VALUE 9969
567
568#define BROADCAST_STORM_RATE_HI 0x07
569#define BROADCAST_STORM_RATE_LO 0xFF
570#define BROADCAST_STORM_RATE 0x07FF
571
572#define MULTICAST_STORM_DISABLE BIT(6)
573
574#define SW_START 0x01
575
576/* xMII configuration */
577#define P_MII_DUPLEX_M BIT(6)
578#define P_MII_100MBIT_M BIT(4)
579
580#define P_GMII_1GBIT_M BIT(6)
581#define P_RGMII_ID_IG_ENABLE BIT(4)
582#define P_RGMII_ID_EG_ENABLE BIT(3)
583#define P_MII_MAC_MODE BIT(2)
584#define P_MII_SEL_M 0x3
585
586/* Interrupt */
587#define REG_SW_PORT_INT_STATUS__1 0x001B
588#define REG_SW_PORT_INT_MASK__1 0x001F
589
590#define REG_PORT_INT_STATUS 0x001B
591#define REG_PORT_INT_MASK 0x001F
592
593#define PORT_SRC_PHY_INT 1
594
595#define KSZ8795_HUGE_PACKET_SIZE 2000
596#define KSZ8863_HUGE_PACKET_SIZE 1916
597#define KSZ8863_NORMAL_PACKET_SIZE 1536
598#define KSZ8_LEGAL_PACKET_SIZE 1518
599#define KSZ9477_MAX_FRAME_SIZE 9000
600
601/* Regmap tables generation */
602#define KSZ_SPI_OP_RD 3
603#define KSZ_SPI_OP_WR 2
604
605#define swabnot_used(x) 0
606
607#define KSZ_SPI_OP_FLAG_MASK(opcode, swp, regbits, regpad) \
608 swab##swp((opcode) << ((regbits) + (regpad)))
609
610#define KSZ_REGMAP_ENTRY(width, swp, regbits, regpad, regalign) \
611 { \
612 .name = #width, \
613 .val_bits = (width), \
614 .reg_stride = 1, \
615 .reg_bits = (regbits) + (regalign), \
616 .pad_bits = (regpad), \
617 .max_register = BIT(regbits) - 1, \
618 .cache_type = REGCACHE_NONE, \
619 .read_flag_mask = \
620 KSZ_SPI_OP_FLAG_MASK(KSZ_SPI_OP_RD, swp, \
621 regbits, regpad), \
622 .write_flag_mask = \
623 KSZ_SPI_OP_FLAG_MASK(KSZ_SPI_OP_WR, swp, \
624 regbits, regpad), \
625 .lock = ksz_regmap_lock, \
626 .unlock = ksz_regmap_unlock, \
627 .reg_format_endian = REGMAP_ENDIAN_BIG, \
628 .val_format_endian = REGMAP_ENDIAN_BIG \
629 }
630
631#define KSZ_REGMAP_TABLE(ksz, swp, regbits, regpad, regalign) \
632 static const struct regmap_config ksz##_regmap_config[] = { \
633 KSZ_REGMAP_ENTRY(8, swp, (regbits), (regpad), (regalign)), \
634 KSZ_REGMAP_ENTRY(16, swp, (regbits), (regpad), (regalign)), \
635 KSZ_REGMAP_ENTRY(32, swp, (regbits), (regpad), (regalign)), \
636 }
637
638#endif