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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;
32
33struct b53_io_ops {
34 int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value);
35 int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value);
36 int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value);
37 int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
38 int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
39 int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value);
40 int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value);
41 int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value);
42 int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value);
43 int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value);
44 int (*phy_read16)(struct b53_device *dev, int addr, int reg, u16 *value);
45 int (*phy_write16)(struct b53_device *dev, int addr, int reg, u16 value);
46};
47
48enum {
49 BCM5325_DEVICE_ID = 0x25,
50 BCM5365_DEVICE_ID = 0x65,
51 BCM5389_DEVICE_ID = 0x89,
52 BCM5395_DEVICE_ID = 0x95,
53 BCM5397_DEVICE_ID = 0x97,
54 BCM5398_DEVICE_ID = 0x98,
55 BCM53115_DEVICE_ID = 0x53115,
56 BCM53125_DEVICE_ID = 0x53125,
57 BCM53128_DEVICE_ID = 0x53128,
58 BCM63XX_DEVICE_ID = 0x6300,
59 BCM53010_DEVICE_ID = 0x53010,
60 BCM53011_DEVICE_ID = 0x53011,
61 BCM53012_DEVICE_ID = 0x53012,
62 BCM53018_DEVICE_ID = 0x53018,
63 BCM53019_DEVICE_ID = 0x53019,
64 BCM58XX_DEVICE_ID = 0x5800,
65 BCM7445_DEVICE_ID = 0x7445,
66 BCM7278_DEVICE_ID = 0x7278,
67};
68
69#define B53_N_PORTS 9
70#define B53_N_PORTS_25 6
71
72struct b53_port {
73 u16 vlan_ctl_mask;
74 struct ethtool_eee eee;
75};
76
77struct b53_vlan {
78 u16 members;
79 u16 untag;
80 bool valid;
81};
82
83struct b53_device {
84 struct dsa_switch *ds;
85 struct b53_platform_data *pdata;
86 const char *name;
87
88 struct mutex reg_mutex;
89 struct mutex stats_mutex;
90 const struct b53_io_ops *ops;
91
92 /* chip specific data */
93 u32 chip_id;
94 u8 core_rev;
95 u8 vta_regs[3];
96 u8 duplex_reg;
97 u8 jumbo_pm_reg;
98 u8 jumbo_size_reg;
99 int reset_gpio;
100 u8 num_arl_entries;
101
102 /* used ports mask */
103 u16 enabled_ports;
104 unsigned int cpu_port;
105
106 /* connect specific data */
107 u8 current_page;
108 struct device *dev;
109
110 /* Master MDIO bus we got probed from */
111 struct mii_bus *bus;
112
113 void *priv;
114
115 /* run time configuration */
116 bool enable_jumbo;
117
118 unsigned int num_vlans;
119 struct b53_vlan *vlans;
120 unsigned int num_ports;
121 struct b53_port *ports;
122};
123
124#define b53_for_each_port(dev, i) \
125 for (i = 0; i < B53_N_PORTS; i++) \
126 if (dev->enabled_ports & BIT(i))
127
128
129static inline int is5325(struct b53_device *dev)
130{
131 return dev->chip_id == BCM5325_DEVICE_ID;
132}
133
134static inline int is5365(struct b53_device *dev)
135{
136#ifdef CONFIG_BCM47XX
137 return dev->chip_id == BCM5365_DEVICE_ID;
138#else
139 return 0;
140#endif
141}
142
143static inline int is5397_98(struct b53_device *dev)
144{
145 return dev->chip_id == BCM5397_DEVICE_ID ||
146 dev->chip_id == BCM5398_DEVICE_ID;
147}
148
149static inline int is539x(struct b53_device *dev)
150{
151 return dev->chip_id == BCM5395_DEVICE_ID ||
152 dev->chip_id == BCM5397_DEVICE_ID ||
153 dev->chip_id == BCM5398_DEVICE_ID;
154}
155
156static inline int is531x5(struct b53_device *dev)
157{
158 return dev->chip_id == BCM53115_DEVICE_ID ||
159 dev->chip_id == BCM53125_DEVICE_ID ||
160 dev->chip_id == BCM53128_DEVICE_ID;
161}
162
163static inline int is63xx(struct b53_device *dev)
164{
165#ifdef CONFIG_BCM63XX
166 return dev->chip_id == BCM63XX_DEVICE_ID;
167#else
168 return 0;
169#endif
170}
171
172static inline int is5301x(struct b53_device *dev)
173{
174 return dev->chip_id == BCM53010_DEVICE_ID ||
175 dev->chip_id == BCM53011_DEVICE_ID ||
176 dev->chip_id == BCM53012_DEVICE_ID ||
177 dev->chip_id == BCM53018_DEVICE_ID ||
178 dev->chip_id == BCM53019_DEVICE_ID;
179}
180
181static inline int is58xx(struct b53_device *dev)
182{
183 return dev->chip_id == BCM58XX_DEVICE_ID ||
184 dev->chip_id == BCM7445_DEVICE_ID ||
185 dev->chip_id == BCM7278_DEVICE_ID;
186}
187
188#define B53_CPU_PORT_25 5
189#define B53_CPU_PORT 8
190
191struct b53_device *b53_switch_alloc(struct device *base,
192 const struct b53_io_ops *ops,
193 void *priv);
194
195int b53_switch_detect(struct b53_device *dev);
196
197int b53_switch_register(struct b53_device *dev);
198
199static inline void b53_switch_remove(struct b53_device *dev)
200{
201 dsa_unregister_switch(dev->ds);
202}
203
204#define b53_build_op(type_op_size, val_type) \
205static inline int b53_##type_op_size(struct b53_device *dev, u8 page, \
206 u8 reg, val_type val) \
207{ \
208 int ret; \
209 \
210 mutex_lock(&dev->reg_mutex); \
211 ret = dev->ops->type_op_size(dev, page, reg, val); \
212 mutex_unlock(&dev->reg_mutex); \
213 \
214 return ret; \
215}
216
217b53_build_op(read8, u8 *);
218b53_build_op(read16, u16 *);
219b53_build_op(read32, u32 *);
220b53_build_op(read48, u64 *);
221b53_build_op(read64, u64 *);
222
223b53_build_op(write8, u8);
224b53_build_op(write16, u16);
225b53_build_op(write32, u32);
226b53_build_op(write48, u64);
227b53_build_op(write64, u64);
228
229struct b53_arl_entry {
230 u8 port;
231 u8 mac[ETH_ALEN];
232 u16 vid;
233 u8 is_valid:1;
234 u8 is_age:1;
235 u8 is_static:1;
236};
237
238static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
239 u64 mac_vid, u32 fwd_entry)
240{
241 memset(ent, 0, sizeof(*ent));
242 ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK;
243 ent->is_valid = !!(fwd_entry & ARLTBL_VALID);
244 ent->is_age = !!(fwd_entry & ARLTBL_AGE);
245 ent->is_static = !!(fwd_entry & ARLTBL_STATIC);
246 u64_to_ether_addr(mac_vid, ent->mac);
247 ent->vid = mac_vid >> ARLTBL_VID_S;
248}
249
250static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,
251 const struct b53_arl_entry *ent)
252{
253 *mac_vid = ether_addr_to_u64(ent->mac);
254 *mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S;
255 *fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK;
256 if (ent->is_valid)
257 *fwd_entry |= ARLTBL_VALID;
258 if (ent->is_static)
259 *fwd_entry |= ARLTBL_STATIC;
260 if (ent->is_age)
261 *fwd_entry |= ARLTBL_AGE;
262}
263
264#ifdef CONFIG_BCM47XX
265
266#include <linux/bcm47xx_nvram.h>
267#include <bcm47xx_board.h>
268static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
269{
270 enum bcm47xx_board board = bcm47xx_board_get();
271
272 switch (board) {
273 case BCM47XX_BOARD_LINKSYS_WRT300NV11:
274 case BCM47XX_BOARD_LINKSYS_WRT310NV1:
275 return 8;
276 default:
277 return bcm47xx_nvram_gpio_pin("robo_reset");
278 }
279}
280#else
281static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
282{
283 return -ENOENT;
284}
285#endif
286
287/* Exported functions towards other drivers */
288void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port);
289int b53_configure_vlan(struct dsa_switch *ds);
290void b53_get_strings(struct dsa_switch *ds, int port, uint8_t *data);
291void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data);
292int b53_get_sset_count(struct dsa_switch *ds, int port);
293int b53_br_join(struct dsa_switch *ds, int port, struct net_device *bridge);
294void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *bridge);
295void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state);
296void b53_br_fast_age(struct dsa_switch *ds, int port);
297int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering);
298int b53_vlan_prepare(struct dsa_switch *ds, int port,
299 const struct switchdev_obj_port_vlan *vlan);
300void b53_vlan_add(struct dsa_switch *ds, int port,
301 const struct switchdev_obj_port_vlan *vlan);
302int b53_vlan_del(struct dsa_switch *ds, int port,
303 const struct switchdev_obj_port_vlan *vlan);
304int b53_fdb_add(struct dsa_switch *ds, int port,
305 const unsigned char *addr, u16 vid);
306int b53_fdb_del(struct dsa_switch *ds, int port,
307 const unsigned char *addr, u16 vid);
308int b53_fdb_dump(struct dsa_switch *ds, int port,
309 dsa_fdb_dump_cb_t *cb, void *data);
310int b53_mirror_add(struct dsa_switch *ds, int port,
311 struct dsa_mall_mirror_tc_entry *mirror, bool ingress);
312enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port);
313void b53_mirror_del(struct dsa_switch *ds, int port,
314 struct dsa_mall_mirror_tc_entry *mirror);
315int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy);
316void b53_disable_port(struct dsa_switch *ds, int port, struct phy_device *phy);
317void b53_brcm_hdr_setup(struct dsa_switch *ds, int port);
318void b53_eee_enable_set(struct dsa_switch *ds, int port, bool enable);
319int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy);
320int b53_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e);
321int b53_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e);
322
323#endif