Linux kernel mirror (for testing)
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linux
1/*
2 * B53 common definitions
3 *
4 * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org>
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
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 BCM5325_DEVICE_ID = 0x25,
68 BCM5365_DEVICE_ID = 0x65,
69 BCM5389_DEVICE_ID = 0x89,
70 BCM5395_DEVICE_ID = 0x95,
71 BCM5397_DEVICE_ID = 0x97,
72 BCM5398_DEVICE_ID = 0x98,
73 BCM53115_DEVICE_ID = 0x53115,
74 BCM53125_DEVICE_ID = 0x53125,
75 BCM53128_DEVICE_ID = 0x53128,
76 BCM63XX_DEVICE_ID = 0x6300,
77 BCM53010_DEVICE_ID = 0x53010,
78 BCM53011_DEVICE_ID = 0x53011,
79 BCM53012_DEVICE_ID = 0x53012,
80 BCM53018_DEVICE_ID = 0x53018,
81 BCM53019_DEVICE_ID = 0x53019,
82 BCM58XX_DEVICE_ID = 0x5800,
83 BCM583XX_DEVICE_ID = 0x58300,
84 BCM7445_DEVICE_ID = 0x7445,
85 BCM7278_DEVICE_ID = 0x7278,
86};
87
88#define B53_N_PORTS 9
89#define B53_N_PORTS_25 6
90
91struct b53_port {
92 u16 vlan_ctl_mask;
93 struct ethtool_eee eee;
94 u16 pvid;
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 /* chip specific data */
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_entries;
121
122 /* used ports mask */
123 u16 enabled_ports;
124 unsigned int cpu_port;
125
126 /* connect specific data */
127 u8 current_page;
128 struct device *dev;
129 u8 serdes_lane;
130
131 /* Master MDIO bus we got probed from */
132 struct mii_bus *bus;
133
134 void *priv;
135
136 /* run time configuration */
137 bool enable_jumbo;
138
139 unsigned int num_vlans;
140 struct b53_vlan *vlans;
141 bool vlan_enabled;
142 unsigned int num_ports;
143 struct b53_port *ports;
144};
145
146#define b53_for_each_port(dev, i) \
147 for (i = 0; i < B53_N_PORTS; i++) \
148 if (dev->enabled_ports & BIT(i))
149
150
151static inline int is5325(struct b53_device *dev)
152{
153 return dev->chip_id == BCM5325_DEVICE_ID;
154}
155
156static inline int is5365(struct b53_device *dev)
157{
158#ifdef CONFIG_BCM47XX
159 return dev->chip_id == BCM5365_DEVICE_ID;
160#else
161 return 0;
162#endif
163}
164
165static inline int is5397_98(struct b53_device *dev)
166{
167 return dev->chip_id == BCM5397_DEVICE_ID ||
168 dev->chip_id == BCM5398_DEVICE_ID;
169}
170
171static inline int is539x(struct b53_device *dev)
172{
173 return dev->chip_id == BCM5395_DEVICE_ID ||
174 dev->chip_id == BCM5397_DEVICE_ID ||
175 dev->chip_id == BCM5398_DEVICE_ID;
176}
177
178static inline int is531x5(struct b53_device *dev)
179{
180 return dev->chip_id == BCM53115_DEVICE_ID ||
181 dev->chip_id == BCM53125_DEVICE_ID ||
182 dev->chip_id == BCM53128_DEVICE_ID;
183}
184
185static inline int is63xx(struct b53_device *dev)
186{
187#ifdef CONFIG_BCM63XX
188 return dev->chip_id == BCM63XX_DEVICE_ID;
189#else
190 return 0;
191#endif
192}
193
194static inline int is5301x(struct b53_device *dev)
195{
196 return dev->chip_id == BCM53010_DEVICE_ID ||
197 dev->chip_id == BCM53011_DEVICE_ID ||
198 dev->chip_id == BCM53012_DEVICE_ID ||
199 dev->chip_id == BCM53018_DEVICE_ID ||
200 dev->chip_id == BCM53019_DEVICE_ID;
201}
202
203static inline int is58xx(struct b53_device *dev)
204{
205 return dev->chip_id == BCM58XX_DEVICE_ID ||
206 dev->chip_id == BCM583XX_DEVICE_ID ||
207 dev->chip_id == BCM7445_DEVICE_ID ||
208 dev->chip_id == BCM7278_DEVICE_ID;
209}
210
211#define B53_CPU_PORT_25 5
212#define B53_CPU_PORT 8
213
214struct b53_device *b53_switch_alloc(struct device *base,
215 const struct b53_io_ops *ops,
216 void *priv);
217
218int b53_switch_detect(struct b53_device *dev);
219
220int b53_switch_register(struct b53_device *dev);
221
222static inline void b53_switch_remove(struct b53_device *dev)
223{
224 dsa_unregister_switch(dev->ds);
225}
226
227#define b53_build_op(type_op_size, val_type) \
228static inline int b53_##type_op_size(struct b53_device *dev, u8 page, \
229 u8 reg, val_type val) \
230{ \
231 int ret; \
232 \
233 mutex_lock(&dev->reg_mutex); \
234 ret = dev->ops->type_op_size(dev, page, reg, val); \
235 mutex_unlock(&dev->reg_mutex); \
236 \
237 return ret; \
238}
239
240b53_build_op(read8, u8 *);
241b53_build_op(read16, u16 *);
242b53_build_op(read32, u32 *);
243b53_build_op(read48, u64 *);
244b53_build_op(read64, u64 *);
245
246b53_build_op(write8, u8);
247b53_build_op(write16, u16);
248b53_build_op(write32, u32);
249b53_build_op(write48, u64);
250b53_build_op(write64, u64);
251
252struct b53_arl_entry {
253 u8 port;
254 u8 mac[ETH_ALEN];
255 u16 vid;
256 u8 is_valid:1;
257 u8 is_age:1;
258 u8 is_static:1;
259};
260
261static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
262 u64 mac_vid, u32 fwd_entry)
263{
264 memset(ent, 0, sizeof(*ent));
265 ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK;
266 ent->is_valid = !!(fwd_entry & ARLTBL_VALID);
267 ent->is_age = !!(fwd_entry & ARLTBL_AGE);
268 ent->is_static = !!(fwd_entry & ARLTBL_STATIC);
269 u64_to_ether_addr(mac_vid, ent->mac);
270 ent->vid = mac_vid >> ARLTBL_VID_S;
271}
272
273static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,
274 const struct b53_arl_entry *ent)
275{
276 *mac_vid = ether_addr_to_u64(ent->mac);
277 *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S;
278 *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK;
279 if (ent->is_valid)
280 *fwd_entry |= ARLTBL_VALID;
281 if (ent->is_static)
282 *fwd_entry |= ARLTBL_STATIC;
283 if (ent->is_age)
284 *fwd_entry |= ARLTBL_AGE;
285}
286
287#ifdef CONFIG_BCM47XX
288
289#include <linux/bcm47xx_nvram.h>
290#include <bcm47xx_board.h>
291static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
292{
293 enum bcm47xx_board board = bcm47xx_board_get();
294
295 switch (board) {
296 case BCM47XX_BOARD_LINKSYS_WRT300NV11:
297 case BCM47XX_BOARD_LINKSYS_WRT310NV1:
298 return 8;
299 default:
300 return bcm47xx_nvram_gpio_pin("robo_reset");
301 }
302}
303#else
304static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
305{
306 return -ENOENT;
307}
308#endif
309
310/* Exported functions towards other drivers */
311void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port);
312int b53_configure_vlan(struct dsa_switch *ds);
313void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset,
314 uint8_t *data);
315void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data);
316int b53_get_sset_count(struct dsa_switch *ds, int port, int sset);
317void b53_get_ethtool_phy_stats(struct dsa_switch *ds, int port, uint64_t *data);
318int b53_br_join(struct dsa_switch *ds, int port, struct net_device *bridge);
319void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *bridge);
320void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state);
321void b53_br_fast_age(struct dsa_switch *ds, int port);
322void b53_port_event(struct dsa_switch *ds, int port);
323void b53_phylink_validate(struct dsa_switch *ds, int port,
324 unsigned long *supported,
325 struct phylink_link_state *state);
326int b53_phylink_mac_link_state(struct dsa_switch *ds, int port,
327 struct phylink_link_state *state);
328void b53_phylink_mac_config(struct dsa_switch *ds, int port,
329 unsigned int mode,
330 const struct phylink_link_state *state);
331void b53_phylink_mac_an_restart(struct dsa_switch *ds, int port);
332void b53_phylink_mac_link_down(struct dsa_switch *ds, int port,
333 unsigned int mode,
334 phy_interface_t interface);
335void b53_phylink_mac_link_up(struct dsa_switch *ds, int port,
336 unsigned int mode,
337 phy_interface_t interface,
338 struct phy_device *phydev);
339int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering);
340int b53_vlan_prepare(struct dsa_switch *ds, int port,
341 const struct switchdev_obj_port_vlan *vlan);
342void b53_vlan_add(struct dsa_switch *ds, int port,
343 const struct switchdev_obj_port_vlan *vlan);
344int b53_vlan_del(struct dsa_switch *ds, int port,
345 const struct switchdev_obj_port_vlan *vlan);
346int b53_fdb_add(struct dsa_switch *ds, int port,
347 const unsigned char *addr, u16 vid);
348int b53_fdb_del(struct dsa_switch *ds, int port,
349 const unsigned char *addr, u16 vid);
350int b53_fdb_dump(struct dsa_switch *ds, int port,
351 dsa_fdb_dump_cb_t *cb, void *data);
352int b53_mirror_add(struct dsa_switch *ds, int port,
353 struct dsa_mall_mirror_tc_entry *mirror, bool ingress);
354enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port);
355void b53_mirror_del(struct dsa_switch *ds, int port,
356 struct dsa_mall_mirror_tc_entry *mirror);
357int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy);
358void b53_disable_port(struct dsa_switch *ds, int port);
359void b53_brcm_hdr_setup(struct dsa_switch *ds, int port);
360void b53_eee_enable_set(struct dsa_switch *ds, int port, bool enable);
361int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy);
362int b53_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e);
363int b53_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e);
364
365#endif