Release 4.13 drivers/net/dsa/b53/b53_priv.h

Directory: drivers/net/dsa/b53
/*
 * B53 common definitions
 *
 * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef __B53_PRIV_H

#define __B53_PRIV_H

#include <linux/kernel.h>
#include <linux/mutex.h>
#include <linux/phy.h>
#include <linux/etherdevice.h>
#include <net/dsa.h>

#include "b53_regs.h"

struct b53_device;
struct net_device;


struct b53_io_ops {
	
int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value);
	
int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value);
	
int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value);
	
int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
	
int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
	
int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value);
	
int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value);
	
int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value);
	
int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value);
	
int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value);
	
int (*phy_read16)(struct b53_device *dev, int addr, int reg, u16 *value);
	
int (*phy_write16)(struct b53_device *dev, int addr, int reg, u16 value);
};

enum {
	
BCM5325_DEVICE_ID = 0x25,
	
BCM5365_DEVICE_ID = 0x65,
	
BCM5395_DEVICE_ID = 0x95,
	
BCM5397_DEVICE_ID = 0x97,
	
BCM5398_DEVICE_ID = 0x98,
	
BCM53115_DEVICE_ID = 0x53115,
	
BCM53125_DEVICE_ID = 0x53125,
	
BCM53128_DEVICE_ID = 0x53128,
	
BCM63XX_DEVICE_ID = 0x6300,
	
BCM53010_DEVICE_ID = 0x53010,
	
BCM53011_DEVICE_ID = 0x53011,
	
BCM53012_DEVICE_ID = 0x53012,
	
BCM53018_DEVICE_ID = 0x53018,
	
BCM53019_DEVICE_ID = 0x53019,
	
BCM58XX_DEVICE_ID = 0x5800,
	
BCM7445_DEVICE_ID = 0x7445,
	
BCM7278_DEVICE_ID = 0x7278,
};


#define B53_N_PORTS	9

#define B53_N_PORTS_25	6


struct b53_port {
	
u16		vlan_ctl_mask;
};


struct b53_vlan {
	
u16 members;
	
u16 untag;
	
bool valid;
};


struct b53_device {
	
struct dsa_switch *ds;
	
struct b53_platform_data *pdata;
	
const char *name;

	
struct mutex reg_mutex;
	
struct mutex stats_mutex;
	
const struct b53_io_ops *ops;

	/* chip specific data */
	
u32 chip_id;
	
u8 core_rev;
	
u8 vta_regs[3];
	
u8 duplex_reg;
	
u8 jumbo_pm_reg;
	
u8 jumbo_size_reg;
	
int reset_gpio;
	
u8 num_arl_entries;

	/* used ports mask */
	
u16 enabled_ports;
	
unsigned int cpu_port;

	/* connect specific data */
	
u8 current_page;
	
struct device *dev;

	/* Master MDIO bus we got probed from */
	
struct mii_bus *bus;

	
void *priv;

	/* run time configuration */
	
bool enable_jumbo;

	
unsigned int num_vlans;
	
struct b53_vlan *vlans;
	
unsigned int num_ports;
	
struct b53_port *ports;
};


#define b53_for_each_port(dev, i) \
	for (i = 0; i < B53_N_PORTS; i++) \
                if (dev->enabled_ports & BIT(i))




static inline int is5325(struct b53_device *dev)
{
	return dev->chip_id == BCM5325_DEVICE_ID;
}

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static inline int is5365(struct b53_device *dev)
{
#ifdef CONFIG_BCM47XX
	return dev->chip_id == BCM5365_DEVICE_ID;
#else
	return 0;
#endif
}

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static inline int is5397_98(struct b53_device *dev)
{
	return dev->chip_id == BCM5397_DEVICE_ID ||
		dev->chip_id == BCM5398_DEVICE_ID;
}

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static inline int is539x(struct b53_device *dev)
{
	return dev->chip_id == BCM5395_DEVICE_ID ||
		dev->chip_id == BCM5397_DEVICE_ID ||
		dev->chip_id == BCM5398_DEVICE_ID;
}

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static inline int is531x5(struct b53_device *dev)
{
	return dev->chip_id == BCM53115_DEVICE_ID ||
		dev->chip_id == BCM53125_DEVICE_ID ||
		dev->chip_id == BCM53128_DEVICE_ID;
}

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static inline int is63xx(struct b53_device *dev)
{
#ifdef CONFIG_BCM63XX
	return dev->chip_id == BCM63XX_DEVICE_ID;
#else
	return 0;
#endif
}

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static inline int is5301x(struct b53_device *dev)
{
	return dev->chip_id == BCM53010_DEVICE_ID ||
		dev->chip_id == BCM53011_DEVICE_ID ||
		dev->chip_id == BCM53012_DEVICE_ID ||
		dev->chip_id == BCM53018_DEVICE_ID ||
		dev->chip_id == BCM53019_DEVICE_ID;
}

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static inline int is58xx(struct b53_device *dev)
{
	return dev->chip_id == BCM58XX_DEVICE_ID ||
		dev->chip_id == BCM7445_DEVICE_ID ||
		dev->chip_id == BCM7278_DEVICE_ID;
}

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#define B53_CPU_PORT_25	5

#define B53_CPU_PORT	8



static inline int is_cpu_port(struct b53_device *dev, int port)
{
	return dev->cpu_port;
}

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struct b53_device *b53_switch_alloc(struct device *base,
				    const struct b53_io_ops *ops,
				    void *priv);

int b53_switch_detect(struct b53_device *dev);

int b53_switch_register(struct b53_device *dev);



static inline void b53_switch_remove(struct b53_device *dev)
{
	dsa_unregister_switch(dev->ds);
}

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static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val)
{
	int ret;

	mutex_lock(&dev->reg_mutex);
	ret = dev->ops->read8(dev, page, reg, val);
	mutex_unlock(&dev->reg_mutex);

	return ret;
}

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static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val)
{
	int ret;

	mutex_lock(&dev->reg_mutex);
	ret = dev->ops->read16(dev, page, reg, val);
	mutex_unlock(&dev->reg_mutex);

	return ret;
}

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static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val)
{
	int ret;

	mutex_lock(&dev->reg_mutex);
	ret = dev->ops->read32(dev, page, reg, val);
	mutex_unlock(&dev->reg_mutex);

	return ret;
}

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static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val)
{
	int ret;

	mutex_lock(&dev->reg_mutex);
	ret = dev->ops->read48(dev, page, reg, val);
	mutex_unlock(&dev->reg_mutex);

	return ret;
}

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static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val)
{
	int ret;

	mutex_lock(&dev->reg_mutex);
	ret = dev->ops->read64(dev, page, reg, val);
	mutex_unlock(&dev->reg_mutex);

	return ret;
}

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static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value)
{
	int ret;

	mutex_lock(&dev->reg_mutex);
	ret = dev->ops->write8(dev, page, reg, value);
	mutex_unlock(&dev->reg_mutex);

	return ret;
}

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static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg,
			      u16 value)
{
	int ret;

	mutex_lock(&dev->reg_mutex);
	ret = dev->ops->write16(dev, page, reg, value);
	mutex_unlock(&dev->reg_mutex);

	return ret;
}

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static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg,
			      u32 value)
{
	int ret;

	mutex_lock(&dev->reg_mutex);
	ret = dev->ops->write32(dev, page, reg, value);
	mutex_unlock(&dev->reg_mutex);

	return ret;
}

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static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg,
			      u64 value)
{
	int ret;

	mutex_lock(&dev->reg_mutex);
	ret = dev->ops->write48(dev, page, reg, value);
	mutex_unlock(&dev->reg_mutex);

	return ret;
}

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static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg,
			       u64 value)
{
	int ret;

	mutex_lock(&dev->reg_mutex);
	ret = dev->ops->write64(dev, page, reg, value);
	mutex_unlock(&dev->reg_mutex);

	return ret;
}

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struct b53_arl_entry {
	
u8 port;
	
u8 mac[ETH_ALEN];
	
u16 vid;
	
u8 is_valid:1;
	
u8 is_age:1;
	
u8 is_static:1;
};



static inline void b53_arl_to_entry(struct b53_arl_entry *ent,
				    u64 mac_vid, u32 fwd_entry)
{
	memset(ent, 0, sizeof(*ent));
	ent->port = fwd_entry & ARLTBL_DATA_PORT_ID_MASK;
	ent->is_valid = !!(fwd_entry & ARLTBL_VALID);
	ent->is_age = !!(fwd_entry & ARLTBL_AGE);
	ent->is_static = !!(fwd_entry & ARLTBL_STATIC);
	u64_to_ether_addr(mac_vid, ent->mac);
	ent->vid = mac_vid >> ARLTBL_VID_S;
}

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static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,
				      const struct b53_arl_entry *ent)
{
	*mac_vid = ether_addr_to_u64(ent->mac);
	*mac_vid |= (u64)(ent->vid & ARLTBL_VID_MASK) << ARLTBL_VID_S;
	*fwd_entry = ent->port & ARLTBL_DATA_PORT_ID_MASK;
	if (ent->is_valid)
		*fwd_entry |= ARLTBL_VALID;
	if (ent->is_static)
		*fwd_entry |= ARLTBL_STATIC;
	if (ent->is_age)
		*fwd_entry |= ARLTBL_AGE;
}

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#ifdef CONFIG_BCM47XX

#include <linux/bcm47xx_nvram.h>
#include <bcm47xx_board.h>


static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
{
	enum bcm47xx_board board = bcm47xx_board_get();

	switch (board) {
	case BCM47XX_BOARD_LINKSYS_WRT300NV11:
	case BCM47XX_BOARD_LINKSYS_WRT310NV1:
		return 8;
	default:
		return bcm47xx_nvram_gpio_pin("robo_reset");
	}
}
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#else


static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
{
	return -ENOENT;
}
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#endif

/* Exported functions towards other drivers */
void b53_get_strings(struct dsa_switch *ds, int port, uint8_t *data);
void b53_get_ethtool_stats(struct dsa_switch *ds, int port, uint64_t *data);
int b53_get_sset_count(struct dsa_switch *ds);
int b53_br_join(struct dsa_switch *ds, int port, struct net_device *bridge);
void b53_br_leave(struct dsa_switch *ds, int port, struct net_device *bridge);
void b53_br_set_stp_state(struct dsa_switch *ds, int port, u8 state);
void b53_br_fast_age(struct dsa_switch *ds, int port);
int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering);
int b53_vlan_prepare(struct dsa_switch *ds, int port,
		     const struct switchdev_obj_port_vlan *vlan,
		     struct switchdev_trans *trans);
void b53_vlan_add(struct dsa_switch *ds, int port,
		  const struct switchdev_obj_port_vlan *vlan,
		  struct switchdev_trans *trans);
int b53_vlan_del(struct dsa_switch *ds, int port,
		 const struct switchdev_obj_port_vlan *vlan);
int b53_vlan_dump(struct dsa_switch *ds, int port,
		  struct switchdev_obj_port_vlan *vlan,
		  switchdev_obj_dump_cb_t *cb);
int b53_fdb_prepare(struct dsa_switch *ds, int port,
		    const struct switchdev_obj_port_fdb *fdb,
		    struct switchdev_trans *trans);
void b53_fdb_add(struct dsa_switch *ds, int port,
		 const struct switchdev_obj_port_fdb *fdb,
		 struct switchdev_trans *trans);
int b53_fdb_del(struct dsa_switch *ds, int port,
		const struct switchdev_obj_port_fdb *fdb);
int b53_fdb_dump(struct dsa_switch *ds, int port,
		 struct switchdev_obj_port_fdb *fdb,
		 switchdev_obj_dump_cb_t *cb);
int b53_mirror_add(struct dsa_switch *ds, int port,
		   struct dsa_mall_mirror_tc_entry *mirror, bool ingress);
void b53_mirror_del(struct dsa_switch *ds, int port,
		    struct dsa_mall_mirror_tc_entry *mirror);

#endif
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Directory: drivers/net/dsa/b53

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Release 4.13 drivers/net/dsa/b53/b53_priv.h

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