2 * B53 common definitions
4 * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org>
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.
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.
22 #include <linux/kernel.h>
23 #include <linux/mutex.h>
24 #include <linux/switch.h>
29 int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value);
30 int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value);
31 int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value);
32 int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
33 int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
34 int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value);
35 int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value);
36 int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value);
37 int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value);
38 int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value);
42 BCM5325_DEVICE_ID = 0x25,
43 BCM5365_DEVICE_ID = 0x65,
44 BCM5395_DEVICE_ID = 0x95,
45 BCM5397_DEVICE_ID = 0x97,
46 BCM5398_DEVICE_ID = 0x98,
47 BCM53115_DEVICE_ID = 0x53115,
48 BCM53125_DEVICE_ID = 0x53125,
49 BCM63XX_DEVICE_ID = 0x6300,
53 #define B53_N_PORTS_25 6
56 unsigned int members:B53_N_PORTS;
57 unsigned int untag:B53_N_PORTS;
65 struct switch_dev sw_dev;
66 struct b53_platform_data *pdata;
68 struct mutex reg_mutex;
69 const struct b53_io_ops *ops;
71 /* chip specific data */
83 /* connect specific data */
88 /* run time configuration */
89 unsigned enable_vlan:1;
90 unsigned enable_jumbo:1;
91 unsigned allow_vid_4095:1;
93 struct b53_port *ports;
94 struct b53_vlan *vlans;
99 #define b53_for_each_port(dev, i) \
100 for (i = 0; i < B53_N_PORTS; i++) \
101 if (dev->enabled_ports & BIT(i))
105 static inline int is5325(struct b53_device *dev)
107 return dev->chip_id == BCM5325_DEVICE_ID;
110 static inline int is5365(struct b53_device *dev)
112 #ifdef CONFIG_BCM47XX
113 return dev->chip_id == BCM5365_DEVICE_ID;
119 static inline int is5397_98(struct b53_device *dev)
121 return dev->chip_id == BCM5397_DEVICE_ID ||
122 dev->chip_id == BCM5398_DEVICE_ID;
125 static inline int is531x5(struct b53_device *dev)
127 return dev->chip_id == BCM53115_DEVICE_ID ||
128 dev->chip_id == BCM53125_DEVICE_ID;
131 static inline int is63xx(struct b53_device *dev)
133 #ifdef CONFIG_BCM63XX
134 return dev->chip_id == BCM63XX_DEVICE_ID;
140 #define B53_CPU_PORT_25 5
141 #define B53_CPU_PORT 8
143 static inline int is_cpu_port(struct b53_device *dev, int port)
145 return dev->sw_dev.cpu_port == port;
148 static inline struct b53_device *sw_to_b53(struct switch_dev *sw)
150 return container_of(sw, struct b53_device, sw_dev);
153 struct b53_device *b53_switch_alloc(struct device *base, struct b53_io_ops *ops,
156 int b53_switch_detect(struct b53_device *dev);
158 int b53_switch_register(struct b53_device *dev);
160 static inline void b53_switch_remove(struct b53_device *dev)
162 unregister_switch(&dev->sw_dev);
165 static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val)
169 mutex_lock(&dev->reg_mutex);
170 ret = dev->ops->read8(dev, page, reg, val);
171 mutex_unlock(&dev->reg_mutex);
176 static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val)
180 mutex_lock(&dev->reg_mutex);
181 ret = dev->ops->read16(dev, page, reg, val);
182 mutex_unlock(&dev->reg_mutex);
187 static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val)
191 mutex_lock(&dev->reg_mutex);
192 ret = dev->ops->read32(dev, page, reg, val);
193 mutex_unlock(&dev->reg_mutex);
198 static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val)
202 mutex_lock(&dev->reg_mutex);
203 ret = dev->ops->read48(dev, page, reg, val);
204 mutex_unlock(&dev->reg_mutex);
209 static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val)
213 mutex_lock(&dev->reg_mutex);
214 ret = dev->ops->read64(dev, page, reg, val);
215 mutex_unlock(&dev->reg_mutex);
220 static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value)
224 mutex_lock(&dev->reg_mutex);
225 ret = dev->ops->write8(dev, page, reg, value);
226 mutex_unlock(&dev->reg_mutex);
231 static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg,
236 mutex_lock(&dev->reg_mutex);
237 ret = dev->ops->write16(dev, page, reg, value);
238 mutex_unlock(&dev->reg_mutex);
243 static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg,
248 mutex_lock(&dev->reg_mutex);
249 ret = dev->ops->write32(dev, page, reg, value);
250 mutex_unlock(&dev->reg_mutex);
255 static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg,
260 mutex_lock(&dev->reg_mutex);
261 ret = dev->ops->write48(dev, page, reg, value);
262 mutex_unlock(&dev->reg_mutex);
267 static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg,
272 mutex_lock(&dev->reg_mutex);
273 ret = dev->ops->write64(dev, page, reg, value);
274 mutex_unlock(&dev->reg_mutex);
279 #ifdef CONFIG_BCM47XX
281 #include <bcm47xx_nvram.h>
282 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
284 return bcm47xx_nvram_gpio_pin("robo_reset");
287 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)