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linux/drivers/net/dsa/b53/b53_priv.h
Russell King (Oracle) 79396934e2 net: dsa: b53: convert to phylink_pcs 
Convert B53 to use phylink_pcs for the serdes rather than hooking it
into the MAC-layer callbacks.

Fixes: 81c1681cbb ("net: dsa: b53: mark as non-legacy")
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-05-01 17:51:06 +01:00

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/*
* 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/phylink.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);
int (*irq_enable)(struct b53_device *dev, int port);
void (*irq_disable)(struct b53_device *dev, int port);
void (*phylink_get_caps)(struct b53_device *dev, int port,
struct phylink_config *config);
struct phylink_pcs *(*phylink_mac_select_pcs)(struct b53_device *dev,
int port,
phy_interface_t interface);
u8 (*serdes_map_lane)(struct b53_device *dev, int port);
void (*serdes_link_set)(struct b53_device *dev, int port,
unsigned int mode, phy_interface_t interface,
bool link_up);
};
#define B53_INVALID_LANE 0xff
enum {
BCM4908_DEVICE_ID = 0x4908,
BCM5325_DEVICE_ID = 0x25,
BCM5365_DEVICE_ID = 0x65,
BCM5389_DEVICE_ID = 0x89,
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,
BCM583XX_DEVICE_ID = 0x58300,
BCM7445_DEVICE_ID = 0x7445,
BCM7278_DEVICE_ID = 0x7278,
};
struct b53_pcs {
struct phylink_pcs pcs;
struct b53_device *dev;
u8 lane;
};
#define B53_N_PORTS 9
#define B53_N_PORTS_25 6
#define B53_N_PCS 2
struct b53_port {
u16 vlan_ctl_mask;
struct ethtool_eee eee;
};
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;
struct mutex arl_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_bins;
u16 num_arl_buckets;
enum dsa_tag_protocol tag_protocol;
/* used ports mask */
u16 enabled_ports;
unsigned int imp_port;
/* connect specific data */
u8 current_page;
struct device *dev;
u8 serdes_lane;
/* 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;
bool vlan_enabled;
unsigned int num_ports;
struct b53_port *ports;
struct b53_pcs pcs[B53_N_PCS];
};
#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;
}
static inline int is5365(struct b53_device *dev)
{
#ifdef CONFIG_BCM47XX
return dev->chip_id == BCM5365_DEVICE_ID;
#else
return 0;
#endif
}
static inline int is5397_98(struct b53_device *dev)
{
return dev->chip_id == BCM5397_DEVICE_ID ||
dev->chip_id == BCM5398_DEVICE_ID;
}
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;
}
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;
}
static inline int is63xx(struct b53_device *dev)
{
return dev->chip_id == BCM63XX_DEVICE_ID;
}
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;
}
static inline int is58xx(struct b53_device *dev)
{
return dev->chip_id == BCM58XX_DEVICE_ID ||
dev->chip_id == BCM583XX_DEVICE_ID ||
dev->chip_id == BCM7445_DEVICE_ID ||
dev->chip_id == BCM7278_DEVICE_ID;
}
#define B53_CPU_PORT_25 5
#define B53_CPU_PORT 8
static inline unsigned int b53_max_arl_entries(struct b53_device *dev)
{
return dev->num_arl_buckets * dev->num_arl_bins;
}
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);
}
static inline void b53_switch_shutdown(struct b53_device *dev)
{
dsa_switch_shutdown(dev->ds);
}
#define b53_build_op(type_op_size, val_type) \
static inline int b53_##type_op_size(struct b53_device *dev, u8 page, \
u8 reg, val_type val) \
{ \
int ret; \
\
mutex_lock(&dev->reg_mutex); \
ret = dev->ops->type_op_size(dev, page, reg, val); \
mutex_unlock(&dev->reg_mutex); \
\
return ret; \
}
b53_build_op(read8, u8 *);
b53_build_op(read16, u16 *);
b53_build_op(read32, u32 *);
b53_build_op(read48, u64 *);
b53_build_op(read64, u64 *);
b53_build_op(write8, u8);
b53_build_op(write16, u16);
b53_build_op(write32, u32);
b53_build_op(write48, u64);
b53_build_op(write64, u64);
struct b53_arl_entry {
u16 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;
}
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;
}
#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");
}
}
#else
static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
{
return -ENOENT;
}
#endif
/* Exported functions towards other drivers */
void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port);
int b53_configure_vlan(struct dsa_switch *ds);
void b53_get_strings(struct dsa_switch *ds, int port, u32 stringset,
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 port, int sset);
void b53_get_ethtool_phy_stats(struct dsa_switch *ds, int port, uint64_t *data);
int b53_br_join(struct dsa_switch *ds, int port, struct dsa_bridge bridge,
bool *tx_fwd_offload, struct netlink_ext_ack *extack);
void b53_br_leave(struct dsa_switch *ds, int port, struct dsa_bridge 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_br_flags_pre(struct dsa_switch *ds, int port,
struct switchdev_brport_flags flags,
struct netlink_ext_ack *extack);
int b53_br_flags(struct dsa_switch *ds, int port,
struct switchdev_brport_flags flags,
struct netlink_ext_ack *extack);
int b53_setup_devlink_resources(struct dsa_switch *ds);
void b53_port_event(struct dsa_switch *ds, int port);
void b53_phylink_mac_config(struct dsa_switch *ds, int port,
unsigned int mode,
const struct phylink_link_state *state);
void b53_phylink_mac_link_down(struct dsa_switch *ds, int port,
unsigned int mode,
phy_interface_t interface);
void b53_phylink_mac_link_up(struct dsa_switch *ds, int port,
unsigned int mode,
phy_interface_t interface,
struct phy_device *phydev,
int speed, int duplex,
bool tx_pause, bool rx_pause);
int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering,
struct netlink_ext_ack *extack);
int b53_vlan_add(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan,
struct netlink_ext_ack *extack);
int b53_vlan_del(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan);
int b53_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
struct dsa_db db);
int b53_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
struct dsa_db db);
int b53_fdb_dump(struct dsa_switch *ds, int port,
dsa_fdb_dump_cb_t *cb, void *data);
int b53_mdb_add(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_mdb *mdb,
struct dsa_db db);
int b53_mdb_del(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_mdb *mdb,
struct dsa_db db);
int b53_mirror_add(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror, bool ingress,
struct netlink_ext_ack *extack);
enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds, int port,
enum dsa_tag_protocol mprot);
void b53_mirror_del(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror);
int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy);
void b53_disable_port(struct dsa_switch *ds, int port);
void b53_brcm_hdr_setup(struct dsa_switch *ds, int port);
void b53_eee_enable_set(struct dsa_switch *ds, int port, bool enable);
int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy);
int b53_get_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e);
int b53_set_mac_eee(struct dsa_switch *ds, int port, struct ethtool_eee *e);
#endif
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