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