1/* SPDX-License-Identifier: GPL-2.0+ */
2/* Microchip Sparx5 Switch driver
3 *
4 * Copyright (c) 2021 Microchip Technology Inc. and its subsidiaries.
5 */
6
7#ifndef __SPARX5_MAIN_H__
8#define __SPARX5_MAIN_H__
9
10#include <linux/types.h>
11#include <linux/phy/phy.h>
12#include <linux/netdevice.h>
13#include <linux/phy.h>
14#include <linux/if_vlan.h>
15#include <linux/bitmap.h>
16#include <linux/phylink.h>
17#include <linux/net_tstamp.h>
18#include <linux/ptp_clock_kernel.h>
19#include <linux/hrtimer.h>
20#include <linux/debugfs.h>
21
22#include "sparx5_main_regs.h"
23
24/* Target chip type */
25enum spx5_target_chiptype {
26 SPX5_TARGET_CT_7546 = 0x7546, /* SparX-5-64 Enterprise */
27 SPX5_TARGET_CT_7549 = 0x7549, /* SparX-5-90 Enterprise */
28 SPX5_TARGET_CT_7552 = 0x7552, /* SparX-5-128 Enterprise */
29 SPX5_TARGET_CT_7556 = 0x7556, /* SparX-5-160 Enterprise */
30 SPX5_TARGET_CT_7558 = 0x7558, /* SparX-5-200 Enterprise */
31 SPX5_TARGET_CT_7546TSN = 0x47546, /* SparX-5-64i Industrial */
32 SPX5_TARGET_CT_7549TSN = 0x47549, /* SparX-5-90i Industrial */
33 SPX5_TARGET_CT_7552TSN = 0x47552, /* SparX-5-128i Industrial */
34 SPX5_TARGET_CT_7556TSN = 0x47556, /* SparX-5-160i Industrial */
35 SPX5_TARGET_CT_7558TSN = 0x47558, /* SparX-5-200i Industrial */
36};
37
38enum sparx5_port_max_tags {
39 SPX5_PORT_MAX_TAGS_NONE, /* No extra tags allowed */
40 SPX5_PORT_MAX_TAGS_ONE, /* Single tag allowed */
41 SPX5_PORT_MAX_TAGS_TWO /* Single and double tag allowed */
42};
43
44enum sparx5_vlan_port_type {
45 SPX5_VLAN_PORT_TYPE_UNAWARE, /* VLAN unaware port */
46 SPX5_VLAN_PORT_TYPE_C, /* C-port */
47 SPX5_VLAN_PORT_TYPE_S, /* S-port */
48 SPX5_VLAN_PORT_TYPE_S_CUSTOM /* S-port using custom type */
49};
50
51#define SPX5_PORTS 65
52#define SPX5_PORT_CPU (SPX5_PORTS) /* Next port is CPU port */
53#define SPX5_PORT_CPU_0 (SPX5_PORT_CPU + 0) /* CPU Port 65 */
54#define SPX5_PORT_CPU_1 (SPX5_PORT_CPU + 1) /* CPU Port 66 */
55#define SPX5_PORT_VD0 (SPX5_PORT_CPU + 2) /* VD0/Port 67 used for IPMC */
56#define SPX5_PORT_VD1 (SPX5_PORT_CPU + 3) /* VD1/Port 68 used for AFI/OAM */
57#define SPX5_PORT_VD2 (SPX5_PORT_CPU + 4) /* VD2/Port 69 used for IPinIP*/
58#define SPX5_PORTS_ALL (SPX5_PORT_CPU + 5) /* Total number of ports */
59
60#define PGID_BASE SPX5_PORTS /* Starts after port PGIDs */
61#define PGID_UC_FLOOD (PGID_BASE + 0)
62#define PGID_MC_FLOOD (PGID_BASE + 1)
63#define PGID_IPV4_MC_DATA (PGID_BASE + 2)
64#define PGID_IPV4_MC_CTRL (PGID_BASE + 3)
65#define PGID_IPV6_MC_DATA (PGID_BASE + 4)
66#define PGID_IPV6_MC_CTRL (PGID_BASE + 5)
67#define PGID_BCAST (PGID_BASE + 6)
68#define PGID_CPU (PGID_BASE + 7)
69#define PGID_MCAST_START (PGID_BASE + 8)
70
71#define PGID_TABLE_SIZE 3290
72
73#define IFH_LEN 9 /* 36 bytes */
74#define NULL_VID 0
75#define SPX5_MACT_PULL_DELAY (2 * HZ)
76#define SPX5_STATS_CHECK_DELAY (1 * HZ)
77#define SPX5_PRIOS 8 /* Number of priority queues */
78#define SPX5_BUFFER_CELL_SZ 184 /* Cell size */
79#define SPX5_BUFFER_MEMORY 4194280 /* 22795 words * 184 bytes */
80
81#define XTR_QUEUE 0
82#define INJ_QUEUE 0
83
84#define FDMA_DCB_MAX 64
85#define FDMA_RX_DCB_MAX_DBS 15
86#define FDMA_TX_DCB_MAX_DBS 1
87
88#define SPARX5_PHC_COUNT 3
89#define SPARX5_PHC_PORT 0
90
91#define IFH_REW_OP_NOOP 0x0
92#define IFH_REW_OP_ONE_STEP_PTP 0x3
93#define IFH_REW_OP_TWO_STEP_PTP 0x4
94
95#define IFH_PDU_TYPE_NONE 0x0
96#define IFH_PDU_TYPE_PTP 0x5
97#define IFH_PDU_TYPE_IPV4_UDP_PTP 0x6
98#define IFH_PDU_TYPE_IPV6_UDP_PTP 0x7
99
100struct sparx5;
101
102struct sparx5_db_hw {
103 u64 dataptr;
104 u64 status;
105};
106
107struct sparx5_rx_dcb_hw {
108 u64 nextptr;
109 u64 info;
110 struct sparx5_db_hw db[FDMA_RX_DCB_MAX_DBS];
111};
112
113struct sparx5_tx_dcb_hw {
114 u64 nextptr;
115 u64 info;
116 struct sparx5_db_hw db[FDMA_TX_DCB_MAX_DBS];
117};
118
119/* Frame DMA receive state:
120 * For each DB, there is a SKB, and the skb data pointer is mapped in
121 * the DB. Once a frame is received the skb is given to the upper layers
122 * and a new skb is added to the dcb.
123 * When the db_index reached FDMA_RX_DCB_MAX_DBS the DB is reused.
124 */
125struct sparx5_rx {
126 struct sparx5_rx_dcb_hw *dcb_entries;
127 struct sparx5_rx_dcb_hw *last_entry;
128 struct sk_buff *skb[FDMA_DCB_MAX][FDMA_RX_DCB_MAX_DBS];
129 int db_index;
130 int dcb_index;
131 dma_addr_t dma;
132 struct napi_struct napi;
133 u32 channel_id;
134 struct net_device *ndev;
135 u64 packets;
136};
137
138/* Frame DMA transmit state:
139 * DCBs are chained using the DCBs nextptr field.
140 */
141struct sparx5_tx {
142 struct sparx5_tx_dcb_hw *curr_entry;
143 struct sparx5_tx_dcb_hw *first_entry;
144 struct list_head db_list;
145 dma_addr_t dma;
146 u32 channel_id;
147 u64 packets;
148 u64 dropped;
149};
150
151struct sparx5_port_config {
152 phy_interface_t portmode;
153 u32 bandwidth;
154 int speed;
155 int duplex;
156 enum phy_media media;
157 bool inband;
158 bool power_down;
159 bool autoneg;
160 bool serdes_reset;
161 u32 pause;
162 u32 pause_adv;
163 phy_interface_t phy_mode;
164 u32 sd_sgpio;
165};
166
167struct sparx5_port {
168 struct net_device *ndev;
169 struct sparx5 *sparx5;
170 struct device_node *of_node;
171 struct phy *serdes;
172 struct sparx5_port_config conf;
173 struct phylink_config phylink_config;
174 struct phylink *phylink;
175 struct phylink_pcs phylink_pcs;
176 u16 portno;
177 /* Ingress default VLAN (pvid) */
178 u16 pvid;
179 /* Egress default VLAN (vid) */
180 u16 vid;
181 bool signd_internal;
182 bool signd_active_high;
183 bool signd_enable;
184 bool flow_control;
185 enum sparx5_port_max_tags max_vlan_tags;
186 enum sparx5_vlan_port_type vlan_type;
187 u32 custom_etype;
188 bool vlan_aware;
189 struct hrtimer inj_timer;
190 /* ptp */
191 u8 ptp_cmd;
192 u16 ts_id;
193 struct sk_buff_head tx_skbs;
194 bool is_mrouter;
195 struct list_head tc_templates; /* list of TC templates on this port */
196};
197
198enum sparx5_core_clockfreq {
199 SPX5_CORE_CLOCK_DEFAULT, /* Defaults to the highest supported frequency */
200 SPX5_CORE_CLOCK_250MHZ, /* 250MHZ core clock frequency */
201 SPX5_CORE_CLOCK_500MHZ, /* 500MHZ core clock frequency */
202 SPX5_CORE_CLOCK_625MHZ, /* 625MHZ core clock frequency */
203};
204
205struct sparx5_phc {
206 struct ptp_clock *clock;
207 struct ptp_clock_info info;
208 struct kernel_hwtstamp_config hwtstamp_config;
209 struct sparx5 *sparx5;
210 u8 index;
211};
212
213struct sparx5_skb_cb {
214 u8 rew_op;
215 u8 pdu_type;
216 u8 pdu_w16_offset;
217 u16 ts_id;
218 unsigned long jiffies;
219};
220
221struct sparx5_mdb_entry {
222 struct list_head list;
223 DECLARE_BITMAP(port_mask, SPX5_PORTS);
224 unsigned char addr[ETH_ALEN];
225 bool cpu_copy;
226 u16 vid;
227 u16 pgid_idx;
228};
229
230#define SPARX5_PTP_TIMEOUT msecs_to_jiffies(10)
231#define SPARX5_SKB_CB(skb) \
232 ((struct sparx5_skb_cb *)((skb)->cb))
233
234struct sparx5 {
235 struct platform_device *pdev;
236 struct device *dev;
237 u32 chip_id;
238 enum spx5_target_chiptype target_ct;
239 void __iomem *regs[NUM_TARGETS];
240 int port_count;
241 struct mutex lock; /* MAC reg lock */
242 /* port structures are in net device */
243 struct sparx5_port *ports[SPX5_PORTS];
244 enum sparx5_core_clockfreq coreclock;
245 /* Statistics */
246 u32 num_stats;
247 u32 num_ethtool_stats;
248 const char * const *stats_layout;
249 u64 *stats;
250 /* Workqueue for reading stats */
251 struct mutex queue_stats_lock;
252 struct delayed_work stats_work;
253 struct workqueue_struct *stats_queue;
254 /* Notifiers */
255 struct notifier_block netdevice_nb;
256 struct notifier_block switchdev_nb;
257 struct notifier_block switchdev_blocking_nb;
258 /* Switch state */
259 u8 base_mac[ETH_ALEN];
260 /* Associated bridge device (when bridged) */
261 struct net_device *hw_bridge_dev;
262 /* Bridged interfaces */
263 DECLARE_BITMAP(bridge_mask, SPX5_PORTS);
264 DECLARE_BITMAP(bridge_fwd_mask, SPX5_PORTS);
265 DECLARE_BITMAP(bridge_lrn_mask, SPX5_PORTS);
266 DECLARE_BITMAP(vlan_mask[VLAN_N_VID], SPX5_PORTS);
267 /* SW MAC table */
268 struct list_head mact_entries;
269 /* mac table list (mact_entries) mutex */
270 struct mutex mact_lock;
271 /* SW MDB table */
272 struct list_head mdb_entries;
273 /* mdb list mutex */
274 struct mutex mdb_lock;
275 struct delayed_work mact_work;
276 struct workqueue_struct *mact_queue;
277 /* Board specifics */
278 bool sd_sgpio_remapping;
279 /* Register based inj/xtr */
280 int xtr_irq;
281 /* Frame DMA */
282 int fdma_irq;
283 spinlock_t tx_lock; /* lock for frame transmission */
284 struct sparx5_rx rx;
285 struct sparx5_tx tx;
286 /* PTP */
287 bool ptp;
288 struct sparx5_phc phc[SPARX5_PHC_COUNT];
289 spinlock_t ptp_clock_lock; /* lock for phc */
290 spinlock_t ptp_ts_id_lock; /* lock for ts_id */
291 struct mutex ptp_lock; /* lock for ptp interface state */
292 u16 ptp_skbs;
293 int ptp_irq;
294 /* VCAP */
295 struct vcap_control *vcap_ctrl;
296 /* PGID allocation map */
297 u8 pgid_map[PGID_TABLE_SIZE];
298 /* Common root for debugfs */
299 struct dentry *debugfs_root;
300};
301
302/* sparx5_switchdev.c */
303int sparx5_register_notifier_blocks(struct sparx5 *sparx5);
304void sparx5_unregister_notifier_blocks(struct sparx5 *sparx5);
305
306/* sparx5_packet.c */
307struct frame_info {
308 int src_port;
309 u32 timestamp;
310};
311
312void sparx5_xtr_flush(struct sparx5 *sparx5, u8 grp);
313void sparx5_ifh_parse(u32 *ifh, struct frame_info *info);
314irqreturn_t sparx5_xtr_handler(int irq, void *_priv);
315netdev_tx_t sparx5_port_xmit_impl(struct sk_buff *skb, struct net_device *dev);
316int sparx5_manual_injection_mode(struct sparx5 *sparx5);
317void sparx5_port_inj_timer_setup(struct sparx5_port *port);
318
319/* sparx5_fdma.c */
320int sparx5_fdma_start(struct sparx5 *sparx5);
321int sparx5_fdma_stop(struct sparx5 *sparx5);
322int sparx5_fdma_xmit(struct sparx5 *sparx5, u32 *ifh, struct sk_buff *skb);
323irqreturn_t sparx5_fdma_handler(int irq, void *args);
324
325/* sparx5_mactable.c */
326void sparx5_mact_pull_work(struct work_struct *work);
327int sparx5_mact_learn(struct sparx5 *sparx5, int port,
328 const unsigned char mac[ETH_ALEN], u16 vid);
329bool sparx5_mact_getnext(struct sparx5 *sparx5,
330 unsigned char mac[ETH_ALEN], u16 *vid, u32 *pcfg2);
331int sparx5_mact_find(struct sparx5 *sparx5,
332 const unsigned char mac[ETH_ALEN], u16 vid, u32 *pcfg2);
333int sparx5_mact_forget(struct sparx5 *sparx5,
334 const unsigned char mac[ETH_ALEN], u16 vid);
335int sparx5_add_mact_entry(struct sparx5 *sparx5,
336 struct net_device *dev,
337 u16 portno,
338 const unsigned char *addr, u16 vid);
339int sparx5_del_mact_entry(struct sparx5 *sparx5,
340 const unsigned char *addr,
341 u16 vid);
342int sparx5_mc_sync(struct net_device *dev, const unsigned char *addr);
343int sparx5_mc_unsync(struct net_device *dev, const unsigned char *addr);
344void sparx5_set_ageing(struct sparx5 *sparx5, int msecs);
345void sparx5_mact_init(struct sparx5 *sparx5);
346
347/* sparx5_vlan.c */
348void sparx5_pgid_update_mask(struct sparx5_port *port, int pgid, bool enable);
349void sparx5_pgid_clear(struct sparx5 *spx5, int pgid);
350void sparx5_pgid_read_mask(struct sparx5 *sparx5, int pgid, u32 portmask[3]);
351void sparx5_update_fwd(struct sparx5 *sparx5);
352void sparx5_vlan_init(struct sparx5 *sparx5);
353void sparx5_vlan_port_setup(struct sparx5 *sparx5, int portno);
354int sparx5_vlan_vid_add(struct sparx5_port *port, u16 vid, bool pvid,
355 bool untagged);
356int sparx5_vlan_vid_del(struct sparx5_port *port, u16 vid);
357void sparx5_vlan_port_apply(struct sparx5 *sparx5, struct sparx5_port *port);
358
359/* sparx5_calendar.c */
360int sparx5_config_auto_calendar(struct sparx5 *sparx5);
361int sparx5_config_dsm_calendar(struct sparx5 *sparx5);
362
363/* sparx5_ethtool.c */
364void sparx5_get_stats64(struct net_device *ndev, struct rtnl_link_stats64 *stats);
365int sparx_stats_init(struct sparx5 *sparx5);
366
367/* sparx5_dcb.c */
368#ifdef CONFIG_SPARX5_DCB
369int sparx5_dcb_init(struct sparx5 *sparx5);
370#else
371static inline int sparx5_dcb_init(struct sparx5 *sparx5)
372{
373 return 0;
374}
375#endif
376
377/* sparx5_netdev.c */
378void sparx5_set_port_ifh_timestamp(void *ifh_hdr, u64 timestamp);
379void sparx5_set_port_ifh_rew_op(void *ifh_hdr, u32 rew_op);
380void sparx5_set_port_ifh_pdu_type(void *ifh_hdr, u32 pdu_type);
381void sparx5_set_port_ifh_pdu_w16_offset(void *ifh_hdr, u32 pdu_w16_offset);
382void sparx5_set_port_ifh(void *ifh_hdr, u16 portno);
383bool sparx5_netdevice_check(const struct net_device *dev);
384struct net_device *sparx5_create_netdev(struct sparx5 *sparx5, u32 portno);
385int sparx5_register_netdevs(struct sparx5 *sparx5);
386void sparx5_destroy_netdevs(struct sparx5 *sparx5);
387void sparx5_unregister_netdevs(struct sparx5 *sparx5);
388
389/* sparx5_ptp.c */
390int sparx5_ptp_init(struct sparx5 *sparx5);
391void sparx5_ptp_deinit(struct sparx5 *sparx5);
392int sparx5_ptp_hwtstamp_set(struct sparx5_port *port,
393 struct kernel_hwtstamp_config *cfg,
394 struct netlink_ext_ack *extack);
395void sparx5_ptp_hwtstamp_get(struct sparx5_port *port,
396 struct kernel_hwtstamp_config *cfg);
397void sparx5_ptp_rxtstamp(struct sparx5 *sparx5, struct sk_buff *skb,
398 u64 timestamp);
399int sparx5_ptp_txtstamp_request(struct sparx5_port *port,
400 struct sk_buff *skb);
401void sparx5_ptp_txtstamp_release(struct sparx5_port *port,
402 struct sk_buff *skb);
403irqreturn_t sparx5_ptp_irq_handler(int irq, void *args);
404int sparx5_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts);
405
406/* sparx5_vcap_impl.c */
407int sparx5_vcap_init(struct sparx5 *sparx5);
408void sparx5_vcap_destroy(struct sparx5 *sparx5);
409
410/* sparx5_pgid.c */
411enum sparx5_pgid_type {
412 SPX5_PGID_FREE,
413 SPX5_PGID_RESERVED,
414 SPX5_PGID_MULTICAST,
415};
416
417void sparx5_pgid_init(struct sparx5 *spx5);
418int sparx5_pgid_alloc_mcast(struct sparx5 *spx5, u16 *idx);
419int sparx5_pgid_free(struct sparx5 *spx5, u16 idx);
420
421/* sparx5_pool.c */
422struct sparx5_pool_entry {
423 u16 ref_cnt;
424 u32 idx; /* tc index */
425};
426
427u32 sparx5_pool_idx_to_id(u32 idx);
428int sparx5_pool_put(struct sparx5_pool_entry *pool, int size, u32 id);
429int sparx5_pool_get(struct sparx5_pool_entry *pool, int size, u32 *id);
430int sparx5_pool_get_with_idx(struct sparx5_pool_entry *pool, int size, u32 idx,
431 u32 *id);
432
433/* sparx5_sdlb.c */
434#define SPX5_SDLB_PUP_TOKEN_DISABLE 0x1FFF
435#define SPX5_SDLB_PUP_TOKEN_MAX (SPX5_SDLB_PUP_TOKEN_DISABLE - 1)
436#define SPX5_SDLB_GROUP_RATE_MAX 25000000000ULL
437#define SPX5_SDLB_2CYCLES_TYPE2_THRES_OFFSET 13
438#define SPX5_SDLB_CNT 4096
439#define SPX5_SDLB_GROUP_CNT 10
440#define SPX5_CLK_PER_100PS_DEFAULT 16
441
442struct sparx5_sdlb_group {
443 u64 max_rate;
444 u32 min_burst;
445 u32 frame_size;
446 u32 pup_interval;
447 u32 nsets;
448};
449
450extern struct sparx5_sdlb_group sdlb_groups[SPX5_SDLB_GROUP_CNT];
451int sparx5_sdlb_pup_token_get(struct sparx5 *sparx5, u32 pup_interval,
452 u64 rate);
453
454int sparx5_sdlb_clk_hz_get(struct sparx5 *sparx5);
455int sparx5_sdlb_group_get_by_rate(struct sparx5 *sparx5, u32 rate, u32 burst);
456int sparx5_sdlb_group_get_by_index(struct sparx5 *sparx5, u32 idx, u32 *group);
457
458int sparx5_sdlb_group_add(struct sparx5 *sparx5, u32 group, u32 idx);
459int sparx5_sdlb_group_del(struct sparx5 *sparx5, u32 group, u32 idx);
460
461void sparx5_sdlb_group_init(struct sparx5 *sparx5, u64 max_rate, u32 min_burst,
462 u32 frame_size, u32 idx);
463
464/* sparx5_police.c */
465enum {
466 /* More policer types will be added later */
467 SPX5_POL_SERVICE
468};
469
470struct sparx5_policer {
471 u32 type;
472 u32 idx;
473 u64 rate;
474 u32 burst;
475 u32 group;
476 u8 event_mask;
477};
478
479int sparx5_policer_conf_set(struct sparx5 *sparx5, struct sparx5_policer *pol);
480
481/* sparx5_psfp.c */
482#define SPX5_PSFP_GCE_CNT 4
483#define SPX5_PSFP_SG_CNT 1024
484#define SPX5_PSFP_SG_MIN_CYCLE_TIME_NS (1 * NSEC_PER_USEC)
485#define SPX5_PSFP_SG_MAX_CYCLE_TIME_NS ((1 * NSEC_PER_SEC) - 1)
486#define SPX5_PSFP_SG_MAX_IPV (SPX5_PRIOS - 1)
487#define SPX5_PSFP_SG_OPEN (SPX5_PSFP_SG_CNT - 1)
488#define SPX5_PSFP_SG_CYCLE_TIME_DEFAULT 1000000
489#define SPX5_PSFP_SF_MAX_SDU 16383
490
491struct sparx5_psfp_fm {
492 struct sparx5_policer pol;
493};
494
495struct sparx5_psfp_gce {
496 bool gate_state; /* StreamGateState */
497 u32 interval; /* TimeInterval */
498 u32 ipv; /* InternalPriorityValue */
499 u32 maxoctets; /* IntervalOctetMax */
500};
501
502struct sparx5_psfp_sg {
503 bool gate_state; /* PSFPAdminGateStates */
504 bool gate_enabled; /* PSFPGateEnabled */
505 u32 ipv; /* PSFPAdminIPV */
506 struct timespec64 basetime; /* PSFPAdminBaseTime */
507 u32 cycletime; /* PSFPAdminCycleTime */
508 u32 cycletimeext; /* PSFPAdminCycleTimeExtension */
509 u32 num_entries; /* PSFPAdminControlListLength */
510 struct sparx5_psfp_gce gce[SPX5_PSFP_GCE_CNT];
511};
512
513struct sparx5_psfp_sf {
514 bool sblock_osize_ena;
515 bool sblock_osize;
516 u32 max_sdu;
517 u32 sgid; /* Gate id */
518 u32 fmid; /* Flow meter id */
519};
520
521int sparx5_psfp_fm_add(struct sparx5 *sparx5, u32 uidx,
522 struct sparx5_psfp_fm *fm, u32 *id);
523int sparx5_psfp_fm_del(struct sparx5 *sparx5, u32 id);
524
525int sparx5_psfp_sg_add(struct sparx5 *sparx5, u32 uidx,
526 struct sparx5_psfp_sg *sg, u32 *id);
527int sparx5_psfp_sg_del(struct sparx5 *sparx5, u32 id);
528
529int sparx5_psfp_sf_add(struct sparx5 *sparx5, const struct sparx5_psfp_sf *sf,
530 u32 *id);
531int sparx5_psfp_sf_del(struct sparx5 *sparx5, u32 id);
532
533u32 sparx5_psfp_isdx_get_sf(struct sparx5 *sparx5, u32 isdx);
534u32 sparx5_psfp_isdx_get_fm(struct sparx5 *sparx5, u32 isdx);
535u32 sparx5_psfp_sf_get_sg(struct sparx5 *sparx5, u32 sfid);
536void sparx5_isdx_conf_set(struct sparx5 *sparx5, u32 isdx, u32 sfid, u32 fmid);
537
538void sparx5_psfp_init(struct sparx5 *sparx5);
539
540/* sparx5_qos.c */
541void sparx5_new_base_time(struct sparx5 *sparx5, const u32 cycle_time,
542 const ktime_t org_base_time, ktime_t *new_base_time);
543
544/* Clock period in picoseconds */
545static inline u32 sparx5_clk_period(enum sparx5_core_clockfreq cclock)
546{
547 switch (cclock) {
548 case SPX5_CORE_CLOCK_250MHZ:
549 return 4000;
550 case SPX5_CORE_CLOCK_500MHZ:
551 return 2000;
552 case SPX5_CORE_CLOCK_625MHZ:
553 default:
554 return 1600;
555 }
556}
557
558static inline bool sparx5_is_baser(phy_interface_t interface)
559{
560 return interface == PHY_INTERFACE_MODE_5GBASER ||
561 interface == PHY_INTERFACE_MODE_10GBASER ||
562 interface == PHY_INTERFACE_MODE_25GBASER;
563}
564
565extern const struct phylink_mac_ops sparx5_phylink_mac_ops;
566extern const struct phylink_pcs_ops sparx5_phylink_pcs_ops;
567extern const struct ethtool_ops sparx5_ethtool_ops;
568extern const struct dcbnl_rtnl_ops sparx5_dcbnl_ops;
569
570/* Calculate raw offset */
571static inline __pure int spx5_offset(int id, int tinst, int tcnt,
572 int gbase, int ginst,
573 int gcnt, int gwidth,
574 int raddr, int rinst,
575 int rcnt, int rwidth)
576{
577 WARN_ON((tinst) >= tcnt);
578 WARN_ON((ginst) >= gcnt);
579 WARN_ON((rinst) >= rcnt);
580 return gbase + ((ginst) * gwidth) +
581 raddr + ((rinst) * rwidth);
582}
583
584/* Read, Write and modify registers content.
585 * The register definition macros start at the id
586 */
587static inline void __iomem *spx5_addr(void __iomem *base[],
588 int id, int tinst, int tcnt,
589 int gbase, int ginst,
590 int gcnt, int gwidth,
591 int raddr, int rinst,
592 int rcnt, int rwidth)
593{
594 WARN_ON((tinst) >= tcnt);
595 WARN_ON((ginst) >= gcnt);
596 WARN_ON((rinst) >= rcnt);
597 return base[id + (tinst)] +
598 gbase + ((ginst) * gwidth) +
599 raddr + ((rinst) * rwidth);
600}
601
602static inline void __iomem *spx5_inst_addr(void __iomem *base,
603 int gbase, int ginst,
604 int gcnt, int gwidth,
605 int raddr, int rinst,
606 int rcnt, int rwidth)
607{
608 WARN_ON((ginst) >= gcnt);
609 WARN_ON((rinst) >= rcnt);
610 return base +
611 gbase + ((ginst) * gwidth) +
612 raddr + ((rinst) * rwidth);
613}
614
615static inline u32 spx5_rd(struct sparx5 *sparx5, int id, int tinst, int tcnt,
616 int gbase, int ginst, int gcnt, int gwidth,
617 int raddr, int rinst, int rcnt, int rwidth)
618{
619 return readl(addr: spx5_addr(base: sparx5->regs, id, tinst, tcnt, gbase, ginst,
620 gcnt, gwidth, raddr, rinst, rcnt, rwidth));
621}
622
623static inline u32 spx5_inst_rd(void __iomem *iomem, int id, int tinst, int tcnt,
624 int gbase, int ginst, int gcnt, int gwidth,
625 int raddr, int rinst, int rcnt, int rwidth)
626{
627 return readl(addr: spx5_inst_addr(base: iomem, gbase, ginst,
628 gcnt, gwidth, raddr, rinst, rcnt, rwidth));
629}
630
631static inline void spx5_wr(u32 val, struct sparx5 *sparx5,
632 int id, int tinst, int tcnt,
633 int gbase, int ginst, int gcnt, int gwidth,
634 int raddr, int rinst, int rcnt, int rwidth)
635{
636 writel(val, addr: spx5_addr(base: sparx5->regs, id, tinst, tcnt,
637 gbase, ginst, gcnt, gwidth,
638 raddr, rinst, rcnt, rwidth));
639}
640
641static inline void spx5_inst_wr(u32 val, void __iomem *iomem,
642 int id, int tinst, int tcnt,
643 int gbase, int ginst, int gcnt, int gwidth,
644 int raddr, int rinst, int rcnt, int rwidth)
645{
646 writel(val, addr: spx5_inst_addr(base: iomem,
647 gbase, ginst, gcnt, gwidth,
648 raddr, rinst, rcnt, rwidth));
649}
650
651static inline void spx5_rmw(u32 val, u32 mask, struct sparx5 *sparx5,
652 int id, int tinst, int tcnt,
653 int gbase, int ginst, int gcnt, int gwidth,
654 int raddr, int rinst, int rcnt, int rwidth)
655{
656 u32 nval;
657
658 nval = readl(addr: spx5_addr(base: sparx5->regs, id, tinst, tcnt, gbase, ginst,
659 gcnt, gwidth, raddr, rinst, rcnt, rwidth));
660 nval = (nval & ~mask) | (val & mask);
661 writel(val: nval, addr: spx5_addr(base: sparx5->regs, id, tinst, tcnt, gbase, ginst,
662 gcnt, gwidth, raddr, rinst, rcnt, rwidth));
663}
664
665static inline void spx5_inst_rmw(u32 val, u32 mask, void __iomem *iomem,
666 int id, int tinst, int tcnt,
667 int gbase, int ginst, int gcnt, int gwidth,
668 int raddr, int rinst, int rcnt, int rwidth)
669{
670 u32 nval;
671
672 nval = readl(addr: spx5_inst_addr(base: iomem, gbase, ginst, gcnt, gwidth, raddr,
673 rinst, rcnt, rwidth));
674 nval = (nval & ~mask) | (val & mask);
675 writel(val: nval, addr: spx5_inst_addr(base: iomem, gbase, ginst, gcnt, gwidth, raddr,
676 rinst, rcnt, rwidth));
677}
678
679static inline void __iomem *spx5_inst_get(struct sparx5 *sparx5, int id, int tinst)
680{
681 return sparx5->regs[id + tinst];
682}
683
684static inline void __iomem *spx5_reg_get(struct sparx5 *sparx5,
685 int id, int tinst, int tcnt,
686 int gbase, int ginst, int gcnt, int gwidth,
687 int raddr, int rinst, int rcnt, int rwidth)
688{
689 return spx5_addr(base: sparx5->regs, id, tinst, tcnt,
690 gbase, ginst, gcnt, gwidth,
691 raddr, rinst, rcnt, rwidth);
692}
693
694#endif /* __SPARX5_MAIN_H__ */
695

source code of linux/drivers/net/ethernet/microchip/sparx5/sparx5_main.h