root/src/linux/ar531x/linux-2.6.23/drivers/net/phy/ar8216.h

/*
 * 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 BIT(nr)                 (1UL << (nr))

#define AR8216_PORT_CPU 0
#define AR8216_NUM_PORTS        6
#define AR8216_NUM_VLANS        16

#define AR8216_REG_CTRL                 0x0000
#define   AR8216_CTRL_RESET             BIT(31)

#define AR8216_REG_GLOBAL_CTRL          0x0030
#define   AR8216_GCTRL_MTU              BITS(0, 10)

#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   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              BIT(16, 8)
#define   AR8216_ATU_ADDR5              BIT(24, 8)

#define AR8216_REG_ATU_DATA             0x0054
#define   AR8216_ATU_ADDR3              BIT(0, 8)
#define   AR8216_ATU_ADDR2              BIT(8, 8)
#define   AR8216_ATU_ADDR1              BIT(16, 8)
#define   AR8216_ATU_ADDR0              BIT(24, 8)

#define AR8216_PORT_OFFSET(_i)          (0x0100 * (i + 1))
#define AR8216_REG_PORT_STATUS(_i)      (AR8216_PORT_OFFSET(_i) + 0x0000)
#define   AR8216_PORT_STATUS_SPEED      BIT(0)
#define   AR8216_PORT_STATUS_SPEED_ERR  BIT(1)
#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)

/* 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
};

#endif