ar8216: fix transmission of large frames by setting the switch mtu
[openwrt/openwrt.git] / target / linux / generic-2.6 / files / drivers / net / phy / ar8216.h
1 /*
2 * ar8216.h: AR8216 switch driver
3 *
4 * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 */
16
17 #ifndef __AR8216_H
18 #define __AR8216_H
19
20 #define BITS(_s, _n) (((1UL << (_n)) - 1) << _s)
21
22 #define AR8216_PORT_CPU 0
23 #define AR8216_NUM_PORTS 6
24 #define AR8216_NUM_VLANS 16
25
26 #define AR8216_REG_CTRL 0x0000
27 #define AR8216_CTRL_RESET BIT(31)
28
29 #define AR8216_REG_GLOBAL_CTRL 0x0030
30 #define AR8216_GCTRL_MTU BITS(0, 10)
31
32 #define AR8216_REG_VTU 0x0040
33 #define AR8216_VTU_OP BITS(0, 3)
34 #define AR8216_VTU_OP_NOOP 0x0
35 #define AR8216_VTU_OP_FLUSH 0x1
36 #define AR8216_VTU_OP_LOAD 0x2
37 #define AR8216_VTU_OP_PURGE 0x3
38 #define AR8216_VTU_OP_REMOVE_PORT 0x4
39 #define AR8216_VTU_ACTIVE BIT(3)
40 #define AR8216_VTU_FULL BIT(4)
41 #define AR8216_VTU_PORT BITS(8, 4)
42 #define AR8216_VTU_PORT_S 8
43 #define AR8216_VTU_VID BITS(16, 12)
44 #define AR8216_VTU_VID_S 16
45 #define AR8216_VTU_PRIO BITS(28, 3)
46 #define AR8216_VTU_PRIO_S 28
47 #define AR8216_VTU_PRIO_EN BIT(31)
48
49 #define AR8216_REG_VTU_DATA 0x0044
50 #define AR8216_VTUDATA_MEMBER BITS(0, 10)
51 #define AR8216_VTUDATA_VALID BIT(11)
52
53 #define AR8216_REG_ATU 0x0050
54 #define AR8216_ATU_OP BITS(0, 3)
55 #define AR8216_ATU_OP_NOOP 0x0
56 #define AR8216_ATU_OP_FLUSH 0x1
57 #define AR8216_ATU_OP_LOAD 0x2
58 #define AR8216_ATU_OP_PURGE 0x3
59 #define AR8216_ATU_OP_FLUSH_LOCKED 0x4
60 #define AR8216_ATU_OP_FLUSH_UNICAST 0x5
61 #define AR8216_ATU_OP_GET_NEXT 0x6
62 #define AR8216_ATU_ACTIVE BIT(3)
63 #define AR8216_ATU_PORT_NUM BITS(8, 4)
64 #define AR8216_ATU_FULL_VIO BIT(12)
65 #define AR8216_ATU_ADDR4 BIT(16, 8)
66 #define AR8216_ATU_ADDR5 BIT(24, 8)
67
68 #define AR8216_REG_ATU_DATA 0x0054
69 #define AR8216_ATU_ADDR3 BIT(0, 8)
70 #define AR8216_ATU_ADDR2 BIT(8, 8)
71 #define AR8216_ATU_ADDR1 BIT(16, 8)
72 #define AR8216_ATU_ADDR0 BIT(24, 8)
73
74 #define AR8216_PORT_OFFSET(_i) (0x0100 * (i + 1))
75 #define AR8216_REG_PORT_STATUS(_i) (AR8216_PORT_OFFSET(_i) + 0x0000)
76 #define AR8216_PORT_STATUS_SPEED BIT(0)
77 #define AR8216_PORT_STATUS_SPEED_ERR BIT(1)
78 #define AR8216_PORT_STATUS_TXMAC BIT(2)
79 #define AR8216_PORT_STATUS_RXMAC BIT(3)
80 #define AR8216_PORT_STATUS_TXFLOW BIT(4)
81 #define AR8216_PORT_STATUS_RXFLOW BIT(5)
82 #define AR8216_PORT_STATUS_DUPLEX BIT(6)
83 #define AR8216_PORT_STATUS_LINK_UP BIT(8)
84 #define AR8216_PORT_STATUS_LINK_AUTO BIT(9)
85 #define AR8216_PORT_STATUS_LINK_PAUSE BIT(10)
86
87 #define AR8216_REG_PORT_CTRL(_i) (AR8216_PORT_OFFSET(_i) + 0x0004)
88
89 /* port forwarding state */
90 #define AR8216_PORT_CTRL_STATE BITS(0, 3)
91 #define AR8216_PORT_CTRL_STATE_S 0
92
93 #define AR8216_PORT_CTRL_LEARN_LOCK BIT(7)
94
95 /* egress 802.1q mode */
96 #define AR8216_PORT_CTRL_VLAN_MODE BITS(8, 2)
97 #define AR8216_PORT_CTRL_VLAN_MODE_S 8
98
99 #define AR8216_PORT_CTRL_IGMP_SNOOP BIT(10)
100 #define AR8216_PORT_CTRL_HEADER BIT(11)
101 #define AR8216_PORT_CTRL_MAC_LOOP BIT(12)
102 #define AR8216_PORT_CTRL_SINGLE_VLAN BIT(13)
103 #define AR8216_PORT_CTRL_LEARN BIT(14)
104 #define AR8216_PORT_CTRL_MIRROR_TX BIT(16)
105 #define AR8216_PORT_CTRL_MIRROR_RX BIT(17)
106
107 #define AR8216_REG_PORT_VLAN(_i) (AR8216_PORT_OFFSET(_i) + 0x0008)
108
109 #define AR8216_PORT_VLAN_DEFAULT_ID BITS(0, 12)
110 #define AR8216_PORT_VLAN_DEFAULT_ID_S 0
111
112 #define AR8216_PORT_VLAN_DEST_PORTS BITS(16, 9)
113 #define AR8216_PORT_VLAN_DEST_PORTS_S 16
114
115 /* bit0 added to the priority field of egress frames */
116 #define AR8216_PORT_VLAN_TX_PRIO BIT(27)
117
118 /* port default priority */
119 #define AR8216_PORT_VLAN_PRIORITY BITS(28, 2)
120 #define AR8216_PORT_VLAN_PRIORITY_S 28
121
122 /* ingress 802.1q mode */
123 #define AR8216_PORT_VLAN_MODE BITS(30, 2)
124 #define AR8216_PORT_VLAN_MODE_S 30
125
126 #define AR8216_REG_PORT_RATE(_i) (AR8216_PORT_OFFSET(_i) + 0x000c)
127 #define AR8216_REG_PORT_PRIO(_i) (AR8216_PORT_OFFSET(_i) + 0x0010)
128
129 /* ingress 802.1q mode */
130 enum {
131 AR8216_IN_PORT_ONLY = 0,
132 AR8216_IN_PORT_FALLBACK = 1,
133 AR8216_IN_VLAN_ONLY = 2,
134 AR8216_IN_SECURE = 3
135 };
136
137 /* egress 802.1q mode */
138 enum {
139 AR8216_OUT_KEEP = 0,
140 AR8216_OUT_STRIP_VLAN = 1,
141 AR8216_OUT_ADD_VLAN = 2
142 };
143
144 /* port forwarding state */
145 enum {
146 AR8216_PORT_STATE_DISABLED = 0,
147 AR8216_PORT_STATE_BLOCK = 1,
148 AR8216_PORT_STATE_LISTEN = 2,
149 AR8216_PORT_STATE_LEARN = 3,
150 AR8216_PORT_STATE_FORWARD = 4
151 };
152
153 #endif