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19#ifndef __B53_PRIV_H
20#define __B53_PRIV_H
21
22#include <linux/kernel.h>
23#include <linux/mutex.h>
24#include <linux/phy.h>
25#include <linux/etherdevice.h>
26#include <net/dsa.h>
27
28#include "b53_regs.h"
29
30struct b53_device;
31struct net_device;
32struct phylink_link_state;
33
34struct b53_io_ops {
35 int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value);
36 int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value);
37 int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value);
38 int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
39 int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
40 int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value);
41 int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value);
42 int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value);
43 int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value);
44 int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value);
45 int (*phy_read16)(struct b53_device *dev, int addr, int reg, u16 *value);
46 int (*phy_write16)(struct b53_device *dev, int addr, int reg, u16 value);
47 int (*irq_enable)(struct b53_device *dev, int port);
48 void (*irq_disable)(struct b53_device *dev, int port);
49 u8 (*serdes_map_lane)(struct b53_device *dev, int port);
50 int (*serdes_link_state)(struct b53_device *dev, int port,
51 struct phylink_link_state *state);
52 void (*serdes_config)(struct b53_device *dev, int port,
53 unsigned int mode,
54 const struct phylink_link_state *state);
55 void (*serdes_an_restart)(struct b53_device *dev, int port);
56 void (*serdes_link_set)(struct b53_device *dev, int port,
57 unsigned int mode, phy_interface_t interface,
58 bool link_up);
59 void (*serdes_phylink_validate)(struct b53_device *dev, int port,
60 unsigned long *supported,
61 struct phylink_link_state *state);
62};
63
64#define B53_INVALID_LANE 0xff
65
66enum {
67 BCM4908_DEVICE_ID = 0x4908,
68 BCM5325_DEVICE_ID = 0x25,
69 BCM5365_DEVICE_ID = 0x65,
70 BCM5389_DEVICE_ID = 0x89,
71 BCM5395_DEVICE_ID = 0x95,
72 BCM5397_DEVICE_ID = 0x97,
73 BCM5398_DEVICE_ID = 0x98,
74 BCM53115_DEVICE_ID = 0x53115,
75 BCM53125_DEVICE_ID = 0x53125,
76 BCM53128_DEVICE_ID = 0x53128,
77 BCM63XX_DEVICE_ID = 0x6300,
78 BCM53010_DEVICE_ID = 0x53010,
79 BCM53011_DEVICE_ID = 0x53011,
80 BCM53012_DEVICE_ID = 0x53012,
81 BCM53018_DEVICE_ID = 0x53018,
82 BCM53019_DEVICE_ID = 0x53019,
83 BCM58XX_DEVICE_ID = 0x5800,
84 BCM583XX_DEVICE_ID = 0x58300,
85 BCM7445_DEVICE_ID = 0x7445,
86 BCM7278_DEVICE_ID = 0x7278,
87};
88
89#define B53_N_PORTS 9
90#define B53_N_PORTS_25 6
91
92struct b53_port {
93 u16 vlan_ctl_mask;
94 struct ethtool_eee eee;
95};
96
97struct b53_vlan {
98 u16 members;
99 u16 untag;
100 bool valid;
101};
102
103struct b53_device {
104 struct dsa_switch *ds;
105 struct b53_platform_data *pdata;
106 const char *name;
107
108 struct mutex reg_mutex;
109 struct mutex stats_mutex;
110 const struct b53_io_ops *ops;
111
112
113 u32 chip_id;
114 u8 core_rev;
115 u8 vta_regs[3];
116 u8 duplex_reg;
117 u8 jumbo_pm_reg;
118 u8 jumbo_size_reg;
119 int reset_gpio;
120 u8 num_arl_bins;
121 u16 num_arl_buckets;
122 enum dsa_tag_protocol tag_protocol;
123
124
125 u16 enabled_ports;
126 unsigned int imp_port;
127 unsigned int cpu_port;
128
129
130 u8 current_page;
131 struct device *dev;
132 u8 serdes_lane;
133
134
135 struct mii_bus *bus;
136
137 void *priv;
138
139
140 bool enable_jumbo;
141
142 unsigned int num_vlans;
143 struct b53_vlan *vlans;
144 bool vlan_enabled;
145 unsigned int num_ports;
146 struct b53_port *ports;
147};
148
149#define b53_for_each_port(dev, i) \
150 for (i = 0; i < B53_N_PORTS; i++) \
151 if (dev->enabled_ports & BIT(i))
152
153
154static inline int is5325(struct b53_device *dev)
155{
156 return dev->chip_id == BCM5325_DEVICE_ID;
157}
158
159static inline int is5365(struct b53_device *dev)
160{
161#ifdef CONFIG_BCM47XX
162 return dev->chip_id == BCM5365_DEVICE_ID;
163#else
164 return 0;
165#endif
166}
167
168static inline int is5397_98(struct b53_device *dev)
169{
170 return dev->chip_id == BCM5397_DEVICE_ID ||
171 dev->chip_id == BCM5398_DEVICE_ID;
172}
173
174static inline int is539x(struct b53_device *dev)
175{
176 return dev->chip_id == BCM5395_DEVICE_ID ||
177 dev->chip_id == BCM5397_DEVICE_ID ||
178 dev->chip_id == BCM5398_DEVICE_ID;
179}
180
181static inline int is531x5(struct b53_device *dev)
182{
183 return dev->chip_id == BCM53115_DEVICE_ID ||
184 dev->chip_id == BCM53125_DEVICE_ID ||
185 dev->chip_id == BCM53128_DEVICE_ID;
186}
187
188static inline int is63xx(struct b53_device *dev)
189{
190 return dev->chip_id == BCM63XX_DEVICE_ID;
191}
192
193static inline int is5301x(struct b53_device *dev)
194{
195 return dev->chip_id == BCM53010_DEVICE_ID ||
196 dev->chip_id == BCM53011_DEVICE_ID ||
197 dev->chip_id == BCM53012_DEVICE_ID ||
198 dev->chip_id == BCM53018_DEVICE_ID ||
199 dev->chip_id == BCM53019_DEVICE_ID;
200}
201
202static inline int is58xx(struct b53_device *dev)
203{
204 return dev->chip_id == BCM58XX_DEVICE_ID ||
205 dev->chip_id == BCM583XX_DEVICE_ID ||
206 dev->chip_id == BCM7445_DEVICE_ID ||
207 dev->chip_id == BCM7278_DEVICE_ID;
208}
209
210#define B53_CPU_PORT_25 5
211#define B53_CPU_PORT 8
212
213static inline unsigned int b53_max_arl_entries(struct b53_device *dev)
214{
215 return dev->num_arl_buckets * dev->num_arl_bins;
216}
217
218struct b53_device *b53_switch_alloc(struct device *base,
219 const struct b53_io_ops *ops,
220 void *priv);
221
222int b53_switch_detect(struct b53_device *dev);
223
224int b53_switch_register(struct b53_device *dev);
225
226static inline void b53_switch_remove(struct b53_device *dev)
227{
228 dsa_unregister_switch(dev->ds);
229}
230
231static inline void b53_switch_shutdown(struct b53_device *dev)
232{
233 dsa_switch_shutdown(dev->ds);
234}
235
236#define b53_build_op(type_op_size, val_type) \
237static inline int b53_##type_op_size(struct b53_device *dev, u8 page, \
238 u8 reg, val_type val) \
239{ \
240 int ret; \
241 \
242 mutex_lock(&dev->reg_mutex); \
243 ret = dev->ops->type_op_size(dev, page, reg, val); \
244 mutex_unlock(&dev->reg_mutex); \
245 \
246 return ret; \
247}
248
249b53_build_op(read8, u8 *);
250b53_build_op(read16, u16 *);
251b53_build_op(read32, u32 *);
252b53_build_op(read48, u64 *);
253b53_build_op(read64, u64 *);
254
255b53_build_op(write8, u8);
256b53_build_op(write16, u16);
257b53_build_op(write32, u32);
258b53_build_op(write48, u64);
259b53_build_op(write64, u64);
260
261struct b53_arl_entry {
262 u16 port;
263 u8 mac[ETH_ALEN];
264 u16 vid;
265 u8 is_valid:1;
266 u8 is_age:1;
267 u8 is_static:1;
268};
269
270static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
271 u64 mac_vid, u32 fwd_entry)
272{
273 memset(ent, 0, sizeof(*ent));
274 ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK;
275 ent->is_valid = !!(fwd_entry & ARLTBL_VALID);
276 ent->is_age = !!(fwd_entry & ARLTBL_AGE);
277 ent->is_static = !!(fwd_entry & ARLTBL_STATIC);
278 u64_to_ether_addr(mac_vid, ent->mac);
279 ent->vid = mac_vid >> ARLTBL_VID_S;
280}
281
282static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,
283 const struct b53_arl_entry *ent)
284{
285 *mac_vid = ether_addr_to_u64(ent->mac);
286 *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S;
287 *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK;
288 if (ent->is_valid)
289 *fwd_entry |= ARLTBL_VALID;
290 if (ent->is_static)
291 *fwd_entry |= ARLTBL_STATIC;
292 if (ent->is_age)
293 *fwd_entry |= ARLTBL_AGE;
294}
295
296#ifdef CONFIG_BCM47XX
297
298#include <linux/bcm47xx_nvram.h>
299#include <bcm47xx_board.h>
300static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
301{
302 enum bcm47xx_board board = bcm47xx_board_get();
303
304 switch (board) {
305 case BCM47XX_BOARD_LINKSYS_WRT300NV11:
306 case BCM47XX_BOARD_LINKSYS_WRT310NV1:
307 return 8;
308 default:
309 return bcm47xx_nvram_gpio_pin("robo_reset");
310 }
311}
312#else
313static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
314{
315 return -ENOENT;
316}
317#endif
318
319
320void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port);
321int b53_configure_vlan(struct dsa_switch *ds);
322void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset,
323 uint8_t *data);
324void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data);
325int b53_get_sset_count(struct dsa_switch *ds, int port, int sset);
326void b53_get_ethtool_phy_stats(struct dsa_switch *ds, int port, uint64_t *data);
327int b53_br_join(struct dsa_switch *ds, int port, struct net_device *bridge);
328void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *bridge);
329void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state);
330void b53_br_fast_age(struct dsa_switch *ds, int port);
331int b53_br_flags_pre(struct dsa_switch *ds, int port,
332 struct switchdev_brport_flags flags,
333 struct netlink_ext_ack *extack);
334int b53_br_flags(struct dsa_switch *ds, int port,
335 struct switchdev_brport_flags flags,
336 struct netlink_ext_ack *extack);
337int b53_setup_devlink_resources(struct dsa_switch *ds);
338void b53_port_event(struct dsa_switch *ds, int port);
339void b53_phylink_validate(struct dsa_switch *ds, int port,
340 unsigned long *supported,
341 struct phylink_link_state *state);
342int b53_phylink_mac_link_state(struct dsa_switch *ds, int port,
343 struct phylink_link_state *state);
344void b53_phylink_mac_config(struct dsa_switch *ds, int port,
345 unsigned int mode,
346 const struct phylink_link_state *state);
347void b53_phylink_mac_an_restart(struct dsa_switch *ds, int port);
348void b53_phylink_mac_link_down(struct dsa_switch *ds, int port,
349 unsigned int mode,
350 phy_interface_t interface);
351void b53_phylink_mac_link_up(struct dsa_switch *ds, int port,
352 unsigned int mode,
353 phy_interface_t interface,
354 struct phy_device *phydev,
355 int speed, int duplex,
356 bool tx_pause, bool rx_pause);
357int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering,
358 struct netlink_ext_ack *extack);
359int b53_vlan_add(struct dsa_switch *ds, int port,
360 const struct switchdev_obj_port_vlan *vlan,
361 struct netlink_ext_ack *extack);
362int b53_vlan_del(struct dsa_switch *ds, int port,
363 const struct switchdev_obj_port_vlan *vlan);
364int b53_fdb_add(struct dsa_switch *ds, int port,
365 const unsigned char *addr, u16 vid);
366int b53_fdb_del(struct dsa_switch *ds, int port,
367 const unsigned char *addr, u16 vid);
368int b53_fdb_dump(struct dsa_switch *ds, int port,
369 dsa_fdb_dump_cb_t *cb, void *data);
370int b53_mdb_add(struct dsa_switch *ds, int port,
371 const struct switchdev_obj_port_mdb *mdb);
372int b53_mdb_del(struct dsa_switch *ds, int port,
373 const struct switchdev_obj_port_mdb *mdb);
374int b53_mirror_add(struct dsa_switch *ds, int port,
375 struct dsa_mall_mirror_tc_entry *mirror, bool ingress);
376enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port,
377 enum dsa_tag_protocol mprot);
378void b53_mirror_del(struct dsa_switch *ds, int port,
379 struct dsa_mall_mirror_tc_entry *mirror);
380int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy);
381void b53_disable_port(struct dsa_switch *ds, int port);
382void b53_brcm_hdr_setup(struct dsa_switch *ds, int port);
383void b53_eee_enable_set(struct dsa_switch *ds, int port, bool enable);
384int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy);
385int b53_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e);
386int b53_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e);
387
388#endif
389
