1 /*
2  * Copyright (C) 2003 - 2009 NetXen, Inc.
3  * Copyright (C) 2009 - QLogic Corporation.
4  * All rights reserved.
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, but
12  * 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  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
18  *
19  * The full GNU General Public License is included in this distribution
20  * in the file called "COPYING".
21  *
22  */
23 
24 #ifndef __NETXEN_NIC_HW_H_
25 #define __NETXEN_NIC_HW_H_
26 
27 /* Hardware memory size of 128 meg */
28 #define NETXEN_MEMADDR_MAX (128 * 1024 * 1024)
29 
30 struct netxen_adapter;
31 
32 #define NETXEN_PCI_MAPSIZE_BYTES  (NETXEN_PCI_MAPSIZE << 20)
33 
34 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter);
35 
36 /* Nibble or Byte mode for phy interface (GbE mode only) */
37 
38 #define _netxen_crb_get_bit(var, bit)  ((var >> bit) & 0x1)
39 
40 /*
41  * NIU GB MAC Config Register 0 (applies to GB0, GB1, GB2, GB3)
42  *
43  *	Bit 0 : enable_tx => 1:enable frame xmit, 0:disable
44  *	Bit 1 : tx_synced => R/O: xmit enable synched to xmit stream
45  *	Bit 2 : enable_rx => 1:enable frame recv, 0:disable
46  *	Bit 3 : rx_synced => R/O: recv enable synched to recv stream
47  *	Bit 4 : tx_flowctl => 1:enable pause frame generation, 0:disable
48  *	Bit 5 : rx_flowctl => 1:act on recv'd pause frames, 0:ignore
49  *	Bit 8 : loopback => 1:loop MAC xmits to MAC recvs, 0:normal
50  *	Bit 16: tx_reset_pb => 1:reset frame xmit protocol blk, 0:no-op
51  *	Bit 17: rx_reset_pb => 1:reset frame recv protocol blk, 0:no-op
52  *	Bit 18: tx_reset_mac => 1:reset data/ctl multiplexer blk, 0:no-op
53  *	Bit 19: rx_reset_mac => 1:reset ctl frames & timers blk, 0:no-op
54  *	Bit 31: soft_reset => 1:reset the MAC and the SERDES, 0:no-op
55  */
56 
57 #define netxen_gb_tx_flowctl(config_word)	\
58 	((config_word) |= 1 << 4)
59 #define netxen_gb_rx_flowctl(config_word)	\
60 	((config_word) |= 1 << 5)
61 #define netxen_gb_tx_reset_pb(config_word)	\
62 	((config_word) |= 1 << 16)
63 #define netxen_gb_rx_reset_pb(config_word)	\
64 	((config_word) |= 1 << 17)
65 #define netxen_gb_tx_reset_mac(config_word)	\
66 	((config_word) |= 1 << 18)
67 #define netxen_gb_rx_reset_mac(config_word)	\
68 	((config_word) |= 1 << 19)
69 
70 #define netxen_gb_unset_tx_flowctl(config_word)	\
71 	((config_word) &= ~(1 << 4))
72 #define netxen_gb_unset_rx_flowctl(config_word)	\
73 	((config_word) &= ~(1 << 5))
74 
75 #define netxen_gb_get_tx_synced(config_word)	\
76 		_netxen_crb_get_bit((config_word), 1)
77 #define netxen_gb_get_rx_synced(config_word)	\
78 		_netxen_crb_get_bit((config_word), 3)
79 #define netxen_gb_get_tx_flowctl(config_word)	\
80 		_netxen_crb_get_bit((config_word), 4)
81 #define netxen_gb_get_rx_flowctl(config_word)	\
82 		_netxen_crb_get_bit((config_word), 5)
83 #define netxen_gb_get_soft_reset(config_word)	\
84 		_netxen_crb_get_bit((config_word), 31)
85 
86 #define netxen_gb_get_stationaddress_low(config_word) ((config_word) >> 16)
87 
88 #define netxen_gb_set_mii_mgmt_clockselect(config_word, val)	\
89 		((config_word) |= ((val) & 0x07))
90 #define netxen_gb_mii_mgmt_reset(config_word)	\
91 		((config_word) |= 1 << 31)
92 #define netxen_gb_mii_mgmt_unset(config_word)	\
93 		((config_word) &= ~(1 << 31))
94 
95 /*
96  * NIU GB MII Mgmt Command Register (applies to GB0, GB1, GB2, GB3)
97  * Bit 0 : read_cycle => 1:perform single read cycle, 0:no-op
98  * Bit 1 : scan_cycle => 1:perform continuous read cycles, 0:no-op
99  */
100 
101 #define netxen_gb_mii_mgmt_set_read_cycle(config_word)	\
102 		((config_word) |= 1 << 0)
103 #define netxen_gb_mii_mgmt_reg_addr(config_word, val)	\
104 		((config_word) |= ((val) & 0x1F))
105 #define netxen_gb_mii_mgmt_phy_addr(config_word, val)	\
106 		((config_word) |= (((val) & 0x1F) << 8))
107 
108 /*
109  * NIU GB MII Mgmt Indicators Register (applies to GB0, GB1, GB2, GB3)
110  * Read-only register.
111  * Bit 0 : busy => 1:performing an MII mgmt cycle, 0:idle
112  * Bit 1 : scanning => 1:scan operation in progress, 0:idle
113  * Bit 2 : notvalid => :mgmt result data not yet valid, 0:idle
114  */
115 #define netxen_get_gb_mii_mgmt_busy(config_word)	\
116 		_netxen_crb_get_bit(config_word, 0)
117 #define netxen_get_gb_mii_mgmt_scanning(config_word)	\
118 		_netxen_crb_get_bit(config_word, 1)
119 #define netxen_get_gb_mii_mgmt_notvalid(config_word)	\
120 		_netxen_crb_get_bit(config_word, 2)
121 /*
122  * NIU XG Pause Ctl Register
123  *
124  *      Bit 0       : xg0_mask => 1:disable tx pause frames
125  *      Bit 1       : xg0_request => 1:request single pause frame
126  *      Bit 2       : xg0_on_off => 1:request is pause on, 0:off
127  *      Bit 3       : xg1_mask => 1:disable tx pause frames
128  *      Bit 4       : xg1_request => 1:request single pause frame
129  *      Bit 5       : xg1_on_off => 1:request is pause on, 0:off
130  */
131 
132 #define netxen_xg_set_xg0_mask(config_word)    \
133 	((config_word) |= 1 << 0)
134 #define netxen_xg_set_xg1_mask(config_word)    \
135 	((config_word) |= 1 << 3)
136 
137 #define netxen_xg_get_xg0_mask(config_word)    \
138 	_netxen_crb_get_bit((config_word), 0)
139 #define netxen_xg_get_xg1_mask(config_word)    \
140 	_netxen_crb_get_bit((config_word), 3)
141 
142 #define netxen_xg_unset_xg0_mask(config_word)  \
143 	((config_word) &= ~(1 << 0))
144 #define netxen_xg_unset_xg1_mask(config_word)  \
145 	((config_word) &= ~(1 << 3))
146 
147 /*
148  * NIU XG Pause Ctl Register
149  *
150  *      Bit 0       : xg0_mask => 1:disable tx pause frames
151  *      Bit 1       : xg0_request => 1:request single pause frame
152  *      Bit 2       : xg0_on_off => 1:request is pause on, 0:off
153  *      Bit 3       : xg1_mask => 1:disable tx pause frames
154  *      Bit 4       : xg1_request => 1:request single pause frame
155  *      Bit 5       : xg1_on_off => 1:request is pause on, 0:off
156  */
157 #define netxen_gb_set_gb0_mask(config_word)    \
158 	((config_word) |= 1 << 0)
159 #define netxen_gb_set_gb1_mask(config_word)    \
160 	((config_word) |= 1 << 2)
161 #define netxen_gb_set_gb2_mask(config_word)    \
162 	((config_word) |= 1 << 4)
163 #define netxen_gb_set_gb3_mask(config_word)    \
164 	((config_word) |= 1 << 6)
165 
166 #define netxen_gb_get_gb0_mask(config_word)    \
167 	_netxen_crb_get_bit((config_word), 0)
168 #define netxen_gb_get_gb1_mask(config_word)    \
169 	_netxen_crb_get_bit((config_word), 2)
170 #define netxen_gb_get_gb2_mask(config_word)    \
171 	_netxen_crb_get_bit((config_word), 4)
172 #define netxen_gb_get_gb3_mask(config_word)    \
173 	_netxen_crb_get_bit((config_word), 6)
174 
175 #define netxen_gb_unset_gb0_mask(config_word)  \
176 	((config_word) &= ~(1 << 0))
177 #define netxen_gb_unset_gb1_mask(config_word)  \
178 	((config_word) &= ~(1 << 2))
179 #define netxen_gb_unset_gb2_mask(config_word)  \
180 	((config_word) &= ~(1 << 4))
181 #define netxen_gb_unset_gb3_mask(config_word)  \
182 	((config_word) &= ~(1 << 6))
183 
184 
185 /*
186  * PHY-Specific MII control/status registers.
187  */
188 #define NETXEN_NIU_GB_MII_MGMT_ADDR_CONTROL		0
189 #define NETXEN_NIU_GB_MII_MGMT_ADDR_STATUS		1
190 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_0		2
191 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_1		3
192 #define NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG		4
193 #define NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART		5
194 #define NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG_MORE	6
195 #define NETXEN_NIU_GB_MII_MGMT_ADDR_NEXTPAGE_XMIT	7
196 #define NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART_NEXTPAGE	8
197 #define NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_CONTROL	9
198 #define NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_STATUS	10
199 #define NETXEN_NIU_GB_MII_MGMT_ADDR_EXTENDED_STATUS	15
200 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL		16
201 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS		17
202 #define NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE		18
203 #define NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS		19
204 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE	20
205 #define NETXEN_NIU_GB_MII_MGMT_ADDR_RECV_ERROR_COUNT	21
206 #define NETXEN_NIU_GB_MII_MGMT_ADDR_LED_CONTROL		24
207 #define NETXEN_NIU_GB_MII_MGMT_ADDR_LED_OVERRIDE	25
208 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE_YET	26
209 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS_MORE	27
210 
211 /*
212  * PHY-Specific Status Register (reg 17).
213  *
214  * Bit 0      : jabber => 1:jabber detected, 0:not
215  * Bit 1      : polarity => 1:polarity reversed, 0:normal
216  * Bit 2      : recvpause => 1:receive pause enabled, 0:disabled
217  * Bit 3      : xmitpause => 1:transmit pause enabled, 0:disabled
218  * Bit 4      : energydetect => 1:sleep, 0:active
219  * Bit 5      : downshift => 1:downshift, 0:no downshift
220  * Bit 6      : crossover => 1:MDIX (crossover), 0:MDI (no crossover)
221  * Bits 7-9   : cablelen => not valid in 10Mb/s mode
222  *			0:<50m, 1:50-80m, 2:80-110m, 3:110-140m, 4:>140m
223  * Bit 10     : link => 1:link up, 0:link down
224  * Bit 11     : resolved => 1:speed and duplex resolved, 0:not yet
225  * Bit 12     : pagercvd => 1:page received, 0:page not received
226  * Bit 13     : duplex => 1:full duplex, 0:half duplex
227  * Bits 14-15 : speed => 0:10Mb/s, 1:100Mb/s, 2:1000Mb/s, 3:rsvd
228  */
229 
230 #define netxen_get_phy_speed(config_word) (((config_word) >> 14) & 0x03)
231 
232 #define netxen_set_phy_speed(config_word, val)	\
233 		((config_word) |= ((val & 0x03) << 14))
234 #define netxen_set_phy_duplex(config_word)	\
235 		((config_word) |= 1 << 13)
236 #define netxen_clear_phy_duplex(config_word)	\
237 		((config_word) &= ~(1 << 13))
238 
239 #define netxen_get_phy_link(config_word)	\
240 		_netxen_crb_get_bit(config_word, 10)
241 #define netxen_get_phy_duplex(config_word)	\
242 		_netxen_crb_get_bit(config_word, 13)
243 
244 /*
245  * NIU Mode Register.
246  * Bit 0 : enable FibreChannel
247  * Bit 1 : enable 10/100/1000 Ethernet
248  * Bit 2 : enable 10Gb Ethernet
249  */
250 
251 #define netxen_get_niu_enable_ge(config_word)	\
252 		_netxen_crb_get_bit(config_word, 1)
253 
254 #define NETXEN_NIU_NON_PROMISC_MODE	0
255 #define NETXEN_NIU_PROMISC_MODE		1
256 #define NETXEN_NIU_ALLMULTI_MODE	2
257 
258 /*
259  * NIU XG MAC Config Register
260  *
261  * Bit 0 : tx_enable => 1:enable frame xmit, 0:disable
262  * Bit 2 : rx_enable => 1:enable frame recv, 0:disable
263  * Bit 4 : soft_reset => 1:reset the MAC , 0:no-op
264  * Bit 27: xaui_framer_reset
265  * Bit 28: xaui_rx_reset
266  * Bit 29: xaui_tx_reset
267  * Bit 30: xg_ingress_afifo_reset
268  * Bit 31: xg_egress_afifo_reset
269  */
270 
271 #define netxen_xg_soft_reset(config_word)	\
272 		((config_word) |= 1 << 4)
273 
274 typedef struct {
275 	unsigned valid;
276 	unsigned start_128M;
277 	unsigned end_128M;
278 	unsigned start_2M;
279 } crb_128M_2M_sub_block_map_t;
280 
281 typedef struct {
282 	crb_128M_2M_sub_block_map_t sub_block[16];
283 } crb_128M_2M_block_map_t;
284 
285 #endif				/* __NETXEN_NIC_HW_H_ */
286