openwrtv4/target/linux/generic/files/drivers/net/phy/ar8216.h
John Crispin 64ccdb98fb ar8216: introduce ar8xxx_reg_clear complementing ar8xxx_reg_set
Introduce ar8xxx_reg_clear complementing ar8xxx_reg_set.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>

SVN-Revision: 44004
2015-01-17 14:24:56 +00:00

545 lines
16 KiB
C

/*
* ar8216.h: AR8216 switch driver
*
* Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __AR8216_H
#define __AR8216_H
#define BITS(_s, _n) (((1UL << (_n)) - 1) << _s)
#define AR8XXX_CAP_GIGE BIT(0)
#define AR8XXX_CAP_MIB_COUNTERS BIT(1)
#define AR8XXX_NUM_PHYS 5
#define AR8216_PORT_CPU 0
#define AR8216_NUM_PORTS 6
#define AR8216_NUM_VLANS 16
#define AR8316_NUM_VLANS 4096
/* size of the vlan table */
#define AR8X16_MAX_VLANS 128
#define AR8X16_PROBE_RETRIES 10
#define AR8X16_MAX_PORTS 8
/* Atheros specific MII registers */
#define MII_ATH_MMD_ADDR 0x0d
#define MII_ATH_MMD_DATA 0x0e
#define MII_ATH_DBG_ADDR 0x1d
#define MII_ATH_DBG_DATA 0x1e
#define AR8216_REG_CTRL 0x0000
#define AR8216_CTRL_REVISION BITS(0, 8)
#define AR8216_CTRL_REVISION_S 0
#define AR8216_CTRL_VERSION BITS(8, 8)
#define AR8216_CTRL_VERSION_S 8
#define AR8216_CTRL_RESET BIT(31)
#define AR8216_REG_FLOOD_MASK 0x002C
#define AR8216_FM_UNI_DEST_PORTS BITS(0, 6)
#define AR8216_FM_MULTI_DEST_PORTS BITS(16, 6)
#define AR8236_FM_CPU_BROADCAST_EN BIT(26)
#define AR8236_FM_CPU_BCAST_FWD_EN BIT(25)
#define AR8216_REG_GLOBAL_CTRL 0x0030
#define AR8216_GCTRL_MTU BITS(0, 11)
#define AR8236_GCTRL_MTU BITS(0, 14)
#define AR8316_GCTRL_MTU BITS(0, 14)
#define AR8216_REG_VTU 0x0040
#define AR8216_VTU_OP BITS(0, 3)
#define AR8216_VTU_OP_NOOP 0x0
#define AR8216_VTU_OP_FLUSH 0x1
#define AR8216_VTU_OP_LOAD 0x2
#define AR8216_VTU_OP_PURGE 0x3
#define AR8216_VTU_OP_REMOVE_PORT 0x4
#define AR8216_VTU_ACTIVE BIT(3)
#define AR8216_VTU_FULL BIT(4)
#define AR8216_VTU_PORT BITS(8, 4)
#define AR8216_VTU_PORT_S 8
#define AR8216_VTU_VID BITS(16, 12)
#define AR8216_VTU_VID_S 16
#define AR8216_VTU_PRIO BITS(28, 3)
#define AR8216_VTU_PRIO_S 28
#define AR8216_VTU_PRIO_EN BIT(31)
#define AR8216_REG_VTU_DATA 0x0044
#define AR8216_VTUDATA_MEMBER BITS(0, 10)
#define AR8236_VTUDATA_MEMBER BITS(0, 7)
#define AR8216_VTUDATA_VALID BIT(11)
#define AR8216_REG_ATU 0x0050
#define AR8216_ATU_OP BITS(0, 3)
#define AR8216_ATU_OP_NOOP 0x0
#define AR8216_ATU_OP_FLUSH 0x1
#define AR8216_ATU_OP_LOAD 0x2
#define AR8216_ATU_OP_PURGE 0x3
#define AR8216_ATU_OP_FLUSH_LOCKED 0x4
#define AR8216_ATU_OP_FLUSH_UNICAST 0x5
#define AR8216_ATU_OP_GET_NEXT 0x6
#define AR8216_ATU_ACTIVE BIT(3)
#define AR8216_ATU_PORT_NUM BITS(8, 4)
#define AR8216_ATU_FULL_VIO BIT(12)
#define AR8216_ATU_ADDR4 BITS(16, 8)
#define AR8216_ATU_ADDR5 BITS(24, 8)
#define AR8216_REG_ATU_DATA 0x0054
#define AR8216_ATU_ADDR3 BITS(0, 8)
#define AR8216_ATU_ADDR2 BITS(8, 8)
#define AR8216_ATU_ADDR1 BITS(16, 8)
#define AR8216_ATU_ADDR0 BITS(24, 8)
#define AR8216_REG_ATU_CTRL 0x005C
#define AR8216_ATU_CTRL_AGE_EN BIT(17)
#define AR8216_ATU_CTRL_AGE_TIME BITS(0, 16)
#define AR8216_ATU_CTRL_AGE_TIME_S 0
#define AR8236_ATU_CTRL_RES BIT(20)
#define AR8216_REG_MIB_FUNC 0x0080
#define AR8216_MIB_TIMER BITS(0, 16)
#define AR8216_MIB_AT_HALF_EN BIT(16)
#define AR8216_MIB_BUSY BIT(17)
#define AR8216_MIB_FUNC BITS(24, 3)
#define AR8216_MIB_FUNC_S 24
#define AR8216_MIB_FUNC_NO_OP 0x0
#define AR8216_MIB_FUNC_FLUSH 0x1
#define AR8216_MIB_FUNC_CAPTURE 0x3
#define AR8236_MIB_EN BIT(30)
#define AR8216_REG_GLOBAL_CPUPORT 0x0078
#define AR8216_GLOBAL_CPUPORT_MIRROR_PORT BITS(4, 4)
#define AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S 4
#define AR8216_PORT_OFFSET(_i) (0x0100 * (_i + 1))
#define AR8216_REG_PORT_STATUS(_i) (AR8216_PORT_OFFSET(_i) + 0x0000)
#define AR8216_PORT_STATUS_SPEED BITS(0,2)
#define AR8216_PORT_STATUS_SPEED_S 0
#define AR8216_PORT_STATUS_TXMAC BIT(2)
#define AR8216_PORT_STATUS_RXMAC BIT(3)
#define AR8216_PORT_STATUS_TXFLOW BIT(4)
#define AR8216_PORT_STATUS_RXFLOW BIT(5)
#define AR8216_PORT_STATUS_DUPLEX BIT(6)
#define AR8216_PORT_STATUS_LINK_UP BIT(8)
#define AR8216_PORT_STATUS_LINK_AUTO BIT(9)
#define AR8216_PORT_STATUS_LINK_PAUSE BIT(10)
#define AR8216_REG_PORT_CTRL(_i) (AR8216_PORT_OFFSET(_i) + 0x0004)
/* port forwarding state */
#define AR8216_PORT_CTRL_STATE BITS(0, 3)
#define AR8216_PORT_CTRL_STATE_S 0
#define AR8216_PORT_CTRL_LEARN_LOCK BIT(7)
/* egress 802.1q mode */
#define AR8216_PORT_CTRL_VLAN_MODE BITS(8, 2)
#define AR8216_PORT_CTRL_VLAN_MODE_S 8
#define AR8216_PORT_CTRL_IGMP_SNOOP BIT(10)
#define AR8216_PORT_CTRL_HEADER BIT(11)
#define AR8216_PORT_CTRL_MAC_LOOP BIT(12)
#define AR8216_PORT_CTRL_SINGLE_VLAN BIT(13)
#define AR8216_PORT_CTRL_LEARN BIT(14)
#define AR8216_PORT_CTRL_MIRROR_TX BIT(16)
#define AR8216_PORT_CTRL_MIRROR_RX BIT(17)
#define AR8216_REG_PORT_VLAN(_i) (AR8216_PORT_OFFSET(_i) + 0x0008)
#define AR8216_PORT_VLAN_DEFAULT_ID BITS(0, 12)
#define AR8216_PORT_VLAN_DEFAULT_ID_S 0
#define AR8216_PORT_VLAN_DEST_PORTS BITS(16, 9)
#define AR8216_PORT_VLAN_DEST_PORTS_S 16
/* bit0 added to the priority field of egress frames */
#define AR8216_PORT_VLAN_TX_PRIO BIT(27)
/* port default priority */
#define AR8216_PORT_VLAN_PRIORITY BITS(28, 2)
#define AR8216_PORT_VLAN_PRIORITY_S 28
/* ingress 802.1q mode */
#define AR8216_PORT_VLAN_MODE BITS(30, 2)
#define AR8216_PORT_VLAN_MODE_S 30
#define AR8216_REG_PORT_RATE(_i) (AR8216_PORT_OFFSET(_i) + 0x000c)
#define AR8216_REG_PORT_PRIO(_i) (AR8216_PORT_OFFSET(_i) + 0x0010)
#define AR8216_STATS_RXBROAD 0x00
#define AR8216_STATS_RXPAUSE 0x04
#define AR8216_STATS_RXMULTI 0x08
#define AR8216_STATS_RXFCSERR 0x0c
#define AR8216_STATS_RXALIGNERR 0x10
#define AR8216_STATS_RXRUNT 0x14
#define AR8216_STATS_RXFRAGMENT 0x18
#define AR8216_STATS_RX64BYTE 0x1c
#define AR8216_STATS_RX128BYTE 0x20
#define AR8216_STATS_RX256BYTE 0x24
#define AR8216_STATS_RX512BYTE 0x28
#define AR8216_STATS_RX1024BYTE 0x2c
#define AR8216_STATS_RXMAXBYTE 0x30
#define AR8216_STATS_RXTOOLONG 0x34
#define AR8216_STATS_RXGOODBYTE 0x38
#define AR8216_STATS_RXBADBYTE 0x40
#define AR8216_STATS_RXOVERFLOW 0x48
#define AR8216_STATS_FILTERED 0x4c
#define AR8216_STATS_TXBROAD 0x50
#define AR8216_STATS_TXPAUSE 0x54
#define AR8216_STATS_TXMULTI 0x58
#define AR8216_STATS_TXUNDERRUN 0x5c
#define AR8216_STATS_TX64BYTE 0x60
#define AR8216_STATS_TX128BYTE 0x64
#define AR8216_STATS_TX256BYTE 0x68
#define AR8216_STATS_TX512BYTE 0x6c
#define AR8216_STATS_TX1024BYTE 0x70
#define AR8216_STATS_TXMAXBYTE 0x74
#define AR8216_STATS_TXOVERSIZE 0x78
#define AR8216_STATS_TXBYTE 0x7c
#define AR8216_STATS_TXCOLLISION 0x84
#define AR8216_STATS_TXABORTCOL 0x88
#define AR8216_STATS_TXMULTICOL 0x8c
#define AR8216_STATS_TXSINGLECOL 0x90
#define AR8216_STATS_TXEXCDEFER 0x94
#define AR8216_STATS_TXDEFER 0x98
#define AR8216_STATS_TXLATECOL 0x9c
#define AR8236_REG_PORT_VLAN(_i) (AR8216_PORT_OFFSET((_i)) + 0x0008)
#define AR8236_PORT_VLAN_DEFAULT_ID BITS(16, 12)
#define AR8236_PORT_VLAN_DEFAULT_ID_S 16
#define AR8236_PORT_VLAN_PRIORITY BITS(29, 3)
#define AR8236_PORT_VLAN_PRIORITY_S 28
#define AR8236_REG_PORT_VLAN2(_i) (AR8216_PORT_OFFSET((_i)) + 0x000c)
#define AR8236_PORT_VLAN2_MEMBER BITS(16, 7)
#define AR8236_PORT_VLAN2_MEMBER_S 16
#define AR8236_PORT_VLAN2_TX_PRIO BIT(23)
#define AR8236_PORT_VLAN2_VLAN_MODE BITS(30, 2)
#define AR8236_PORT_VLAN2_VLAN_MODE_S 30
#define AR8236_STATS_RXBROAD 0x00
#define AR8236_STATS_RXPAUSE 0x04
#define AR8236_STATS_RXMULTI 0x08
#define AR8236_STATS_RXFCSERR 0x0c
#define AR8236_STATS_RXALIGNERR 0x10
#define AR8236_STATS_RXRUNT 0x14
#define AR8236_STATS_RXFRAGMENT 0x18
#define AR8236_STATS_RX64BYTE 0x1c
#define AR8236_STATS_RX128BYTE 0x20
#define AR8236_STATS_RX256BYTE 0x24
#define AR8236_STATS_RX512BYTE 0x28
#define AR8236_STATS_RX1024BYTE 0x2c
#define AR8236_STATS_RX1518BYTE 0x30
#define AR8236_STATS_RXMAXBYTE 0x34
#define AR8236_STATS_RXTOOLONG 0x38
#define AR8236_STATS_RXGOODBYTE 0x3c
#define AR8236_STATS_RXBADBYTE 0x44
#define AR8236_STATS_RXOVERFLOW 0x4c
#define AR8236_STATS_FILTERED 0x50
#define AR8236_STATS_TXBROAD 0x54
#define AR8236_STATS_TXPAUSE 0x58
#define AR8236_STATS_TXMULTI 0x5c
#define AR8236_STATS_TXUNDERRUN 0x60
#define AR8236_STATS_TX64BYTE 0x64
#define AR8236_STATS_TX128BYTE 0x68
#define AR8236_STATS_TX256BYTE 0x6c
#define AR8236_STATS_TX512BYTE 0x70
#define AR8236_STATS_TX1024BYTE 0x74
#define AR8236_STATS_TX1518BYTE 0x78
#define AR8236_STATS_TXMAXBYTE 0x7c
#define AR8236_STATS_TXOVERSIZE 0x80
#define AR8236_STATS_TXBYTE 0x84
#define AR8236_STATS_TXCOLLISION 0x8c
#define AR8236_STATS_TXABORTCOL 0x90
#define AR8236_STATS_TXMULTICOL 0x94
#define AR8236_STATS_TXSINGLECOL 0x98
#define AR8236_STATS_TXEXCDEFER 0x9c
#define AR8236_STATS_TXDEFER 0xa0
#define AR8236_STATS_TXLATECOL 0xa4
#define AR8316_REG_POSTRIP 0x0008
#define AR8316_POSTRIP_MAC0_GMII_EN BIT(0)
#define AR8316_POSTRIP_MAC0_RGMII_EN BIT(1)
#define AR8316_POSTRIP_PHY4_GMII_EN BIT(2)
#define AR8316_POSTRIP_PHY4_RGMII_EN BIT(3)
#define AR8316_POSTRIP_MAC0_MAC_MODE BIT(4)
#define AR8316_POSTRIP_RTL_MODE BIT(5)
#define AR8316_POSTRIP_RGMII_RXCLK_DELAY_EN BIT(6)
#define AR8316_POSTRIP_RGMII_TXCLK_DELAY_EN BIT(7)
#define AR8316_POSTRIP_SERDES_EN BIT(8)
#define AR8316_POSTRIP_SEL_ANA_RST BIT(9)
#define AR8316_POSTRIP_GATE_25M_EN BIT(10)
#define AR8316_POSTRIP_SEL_CLK25M BIT(11)
#define AR8316_POSTRIP_HIB_PULSE_HW BIT(12)
#define AR8316_POSTRIP_DBG_MODE_I BIT(13)
#define AR8316_POSTRIP_MAC5_MAC_MODE BIT(14)
#define AR8316_POSTRIP_MAC5_PHY_MODE BIT(15)
#define AR8316_POSTRIP_POWER_DOWN_HW BIT(16)
#define AR8316_POSTRIP_LPW_STATE_EN BIT(17)
#define AR8316_POSTRIP_MAN_EN BIT(18)
#define AR8316_POSTRIP_PHY_PLL_ON BIT(19)
#define AR8316_POSTRIP_LPW_EXIT BIT(20)
#define AR8316_POSTRIP_TXDELAY_S0 BIT(21)
#define AR8316_POSTRIP_TXDELAY_S1 BIT(22)
#define AR8316_POSTRIP_RXDELAY_S0 BIT(23)
#define AR8316_POSTRIP_LED_OPEN_EN BIT(24)
#define AR8316_POSTRIP_SPI_EN BIT(25)
#define AR8316_POSTRIP_RXDELAY_S1 BIT(26)
#define AR8316_POSTRIP_POWER_ON_SEL BIT(31)
/* port speed */
enum {
AR8216_PORT_SPEED_10M = 0,
AR8216_PORT_SPEED_100M = 1,
AR8216_PORT_SPEED_1000M = 2,
AR8216_PORT_SPEED_ERR = 3,
};
/* ingress 802.1q mode */
enum {
AR8216_IN_PORT_ONLY = 0,
AR8216_IN_PORT_FALLBACK = 1,
AR8216_IN_VLAN_ONLY = 2,
AR8216_IN_SECURE = 3
};
/* egress 802.1q mode */
enum {
AR8216_OUT_KEEP = 0,
AR8216_OUT_STRIP_VLAN = 1,
AR8216_OUT_ADD_VLAN = 2
};
/* port forwarding state */
enum {
AR8216_PORT_STATE_DISABLED = 0,
AR8216_PORT_STATE_BLOCK = 1,
AR8216_PORT_STATE_LISTEN = 2,
AR8216_PORT_STATE_LEARN = 3,
AR8216_PORT_STATE_FORWARD = 4
};
enum {
AR8XXX_VER_AR8216 = 0x01,
AR8XXX_VER_AR8236 = 0x03,
AR8XXX_VER_AR8316 = 0x10,
AR8XXX_VER_AR8327 = 0x12,
AR8XXX_VER_AR8337 = 0x13,
};
struct ar8xxx_priv;
struct ar8xxx_mib_desc {
unsigned int size;
unsigned int offset;
const char *name;
};
struct ar8xxx_chip {
unsigned long caps;
bool config_at_probe;
bool mii_lo_first;
/* parameters to calculate REG_PORT_STATS_BASE */
unsigned reg_port_stats_start;
unsigned reg_port_stats_length;
int (*hw_init)(struct ar8xxx_priv *priv);
void (*cleanup)(struct ar8xxx_priv *priv);
const char *name;
int vlans;
int ports;
const struct switch_dev_ops *swops;
void (*init_globals)(struct ar8xxx_priv *priv);
void (*init_port)(struct ar8xxx_priv *priv, int port);
void (*setup_port)(struct ar8xxx_priv *priv, int port, u32 members);
u32 (*read_port_status)(struct ar8xxx_priv *priv, int port);
int (*atu_flush)(struct ar8xxx_priv *priv);
void (*vtu_flush)(struct ar8xxx_priv *priv);
void (*vtu_load_vlan)(struct ar8xxx_priv *priv, u32 vid, u32 port_mask);
void (*phy_fixup)(struct ar8xxx_priv *priv, int phy);
void (*set_mirror_regs)(struct ar8xxx_priv *priv);
const struct ar8xxx_mib_desc *mib_decs;
unsigned num_mibs;
unsigned mib_func;
};
struct ar8xxx_priv {
struct switch_dev dev;
struct mii_bus *mii_bus;
struct phy_device *phy;
int (*get_port_link)(unsigned port);
const struct net_device_ops *ndo_old;
struct net_device_ops ndo;
struct mutex reg_mutex;
u8 chip_ver;
u8 chip_rev;
const struct ar8xxx_chip *chip;
void *chip_data;
bool initialized;
bool port4_phy;
char buf[2048];
bool init;
struct mutex mib_lock;
struct delayed_work mib_work;
int mib_next_port;
u64 *mib_stats;
struct list_head list;
unsigned int use_count;
/* all fields below are cleared on reset */
bool vlan;
u16 vlan_id[AR8X16_MAX_VLANS];
u8 vlan_table[AR8X16_MAX_VLANS];
u8 vlan_tagged;
u16 pvid[AR8X16_MAX_PORTS];
/* mirroring */
bool mirror_rx;
bool mirror_tx;
int source_port;
int monitor_port;
};
u32
ar8xxx_read(struct ar8xxx_priv *priv, int reg);
void
ar8xxx_write(struct ar8xxx_priv *priv, int reg, u32 val);
u32
ar8xxx_rmw(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val);
void
ar8xxx_phy_dbg_write(struct ar8xxx_priv *priv, int phy_addr,
u16 dbg_addr, u16 dbg_data);
void
ar8xxx_phy_mmd_write(struct ar8xxx_priv *priv, int phy_addr, u16 addr, u16 data);
void
ar8xxx_phy_init(struct ar8xxx_priv *priv);
int
ar8xxx_sw_set_vlan(struct switch_dev *dev, const struct switch_attr *attr,
struct switch_val *val);
int
ar8xxx_sw_get_vlan(struct switch_dev *dev, const struct switch_attr *attr,
struct switch_val *val);
int
ar8xxx_sw_set_reset_mibs(struct switch_dev *dev,
const struct switch_attr *attr,
struct switch_val *val);
int
ar8xxx_sw_set_mirror_rx_enable(struct switch_dev *dev,
const struct switch_attr *attr,
struct switch_val *val);
int
ar8xxx_sw_get_mirror_rx_enable(struct switch_dev *dev,
const struct switch_attr *attr,
struct switch_val *val);
int
ar8xxx_sw_set_mirror_tx_enable(struct switch_dev *dev,
const struct switch_attr *attr,
struct switch_val *val);
int
ar8xxx_sw_get_mirror_tx_enable(struct switch_dev *dev,
const struct switch_attr *attr,
struct switch_val *val);
int
ar8xxx_sw_set_mirror_monitor_port(struct switch_dev *dev,
const struct switch_attr *attr,
struct switch_val *val);
int
ar8xxx_sw_get_mirror_monitor_port(struct switch_dev *dev,
const struct switch_attr *attr,
struct switch_val *val);
int
ar8xxx_sw_set_mirror_source_port(struct switch_dev *dev,
const struct switch_attr *attr,
struct switch_val *val);
int
ar8xxx_sw_get_mirror_source_port(struct switch_dev *dev,
const struct switch_attr *attr,
struct switch_val *val);
int
ar8xxx_sw_set_pvid(struct switch_dev *dev, int port, int vlan);
int
ar8xxx_sw_get_pvid(struct switch_dev *dev, int port, int *vlan);
int
ar8xxx_sw_hw_apply(struct switch_dev *dev);
int
ar8xxx_sw_reset_switch(struct switch_dev *dev);
int
ar8xxx_sw_get_port_link(struct switch_dev *dev, int port,
struct switch_port_link *link);
int
ar8216_wait_bit(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val);
static inline struct ar8xxx_priv *
swdev_to_ar8xxx(struct switch_dev *swdev)
{
return container_of(swdev, struct ar8xxx_priv, dev);
}
static inline bool ar8xxx_has_gige(struct ar8xxx_priv *priv)
{
return priv->chip->caps & AR8XXX_CAP_GIGE;
}
static inline bool ar8xxx_has_mib_counters(struct ar8xxx_priv *priv)
{
return priv->chip->caps & AR8XXX_CAP_MIB_COUNTERS;
}
static inline bool chip_is_ar8216(struct ar8xxx_priv *priv)
{
return priv->chip_ver == AR8XXX_VER_AR8216;
}
static inline bool chip_is_ar8236(struct ar8xxx_priv *priv)
{
return priv->chip_ver == AR8XXX_VER_AR8236;
}
static inline bool chip_is_ar8316(struct ar8xxx_priv *priv)
{
return priv->chip_ver == AR8XXX_VER_AR8316;
}
static inline bool chip_is_ar8327(struct ar8xxx_priv *priv)
{
return priv->chip_ver == AR8XXX_VER_AR8327;
}
static inline bool chip_is_ar8337(struct ar8xxx_priv *priv)
{
return priv->chip_ver == AR8XXX_VER_AR8337;
}
static inline void
ar8xxx_reg_set(struct ar8xxx_priv *priv, int reg, u32 val)
{
ar8xxx_rmw(priv, reg, 0, val);
}
static inline void
ar8xxx_reg_clear(struct ar8xxx_priv *priv, int reg, u32 val)
{
ar8xxx_rmw(priv, reg, val, 0);
}
#endif