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diff --git a/drivers/net/netxen/netxen_nic_hw.h b/drivers/net/netxen/netxen_nic_hw.h
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1/*
2 * Copyright (C) 2003 - 2006 NetXen, Inc.
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
18 * MA 02111-1307, USA.
19 *
20 * The full GNU General Public License is included in this distribution
21 * in the file called LICENSE.
22 *
23 * Contact Information:
24 * info@netxen.com
25 * NetXen,
26 * 3965 Freedom Circle, Fourth floor,
27 * Santa Clara, CA 95054
28 *
29 *
30 * Structures, enums, and macros for the MAC
31 *
32 */
33
34#ifndef __NETXEN_NIC_HW_H_
35#define __NETXEN_NIC_HW_H_
36
37#include "netxen_nic_hdr.h"
38
39/* Hardware memory size of 128 meg */
40#define NETXEN_MEMADDR_MAX (128 * 1024 * 1024)
41
42#ifndef readq
43static inline u64 readq(void __iomem * addr)
44{
45 return readl(addr) | (((u64) readl(addr + 4)) << 32LL);
46}
47#endif
48
49#ifndef writeq
50static inline void writeq(u64 val, void __iomem * addr)
51{
52 writel(((u32) (val)), (addr));
53 writel(((u32) (val >> 32)), (addr + 4));
54}
55#endif
56
57static inline void netxen_nic_hw_block_write64(u64 __iomem * data_ptr,
58 u64 __iomem * addr,
59 int num_words)
60{
61 int num;
62 for (num = 0; num < num_words; num++) {
63 writeq(readq((void __iomem *)data_ptr), addr);
64 addr++;
65 data_ptr++;
66 }
67}
68
69static inline void netxen_nic_hw_block_read64(u64 __iomem * data_ptr,
70 u64 __iomem * addr, int num_words)
71{
72 int num;
73 for (num = 0; num < num_words; num++) {
74 writeq(readq((void __iomem *)addr), data_ptr);
75 addr++;
76 data_ptr++;
77 }
78
79}
80
81struct netxen_adapter;
82
83#define NETXEN_PCI_MAPSIZE_BYTES (NETXEN_PCI_MAPSIZE << 20)
84
85#define NETXEN_NIC_LOCKED_READ_REG(X, Y) \
86 addr = (adapter->ahw.pci_base + X); \
87 *(u32 *)Y = readl((void __iomem*) addr);
88
89struct netxen_port;
90void netxen_nic_set_link_parameters(struct netxen_port *port);
91void netxen_nic_flash_print(struct netxen_adapter *adapter);
92int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off,
93 void *data, int len);
94void netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
95 unsigned long off, int data);
96int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off,
97 void *data, int len);
98
99typedef u8 netxen_ethernet_macaddr_t[6];
100
101/* Nibble or Byte mode for phy interface (GbE mode only) */
102typedef enum {
103 NETXEN_NIU_10_100_MB = 0,
104 NETXEN_NIU_1000_MB
105} netxen_niu_gbe_ifmode_t;
106
107#define _netxen_crb_get_bit(var, bit) ((var >> bit) & 0x1)
108
109/*
110 * NIU GB MAC Config Register 0 (applies to GB0, GB1, GB2, GB3)
111 *
112 * Bit 0 : enable_tx => 1:enable frame xmit, 0:disable
113 * Bit 1 : tx_synced => R/O: xmit enable synched to xmit stream
114 * Bit 2 : enable_rx => 1:enable frame recv, 0:disable
115 * Bit 3 : rx_synced => R/O: recv enable synched to recv stream
116 * Bit 4 : tx_flowctl => 1:enable pause frame generation, 0:disable
117 * Bit 5 : rx_flowctl => 1:act on recv'd pause frames, 0:ignore
118 * Bit 8 : loopback => 1:loop MAC xmits to MAC recvs, 0:normal
119 * Bit 16: tx_reset_pb => 1:reset frame xmit protocol blk, 0:no-op
120 * Bit 17: rx_reset_pb => 1:reset frame recv protocol blk, 0:no-op
121 * Bit 18: tx_reset_mac => 1:reset data/ctl multiplexer blk, 0:no-op
122 * Bit 19: rx_reset_mac => 1:reset ctl frames & timers blk, 0:no-op
123 * Bit 31: soft_reset => 1:reset the MAC and the SERDES, 0:no-op
124 */
125
126#define netxen_gb_enable_tx(config_word) \
127 set_bit(0, (unsigned long*)(&config_word))
128#define netxen_gb_enable_rx(config_word) \
129 set_bit(2, (unsigned long*)(&config_word))
130#define netxen_gb_tx_flowctl(config_word) \
131 set_bit(4, (unsigned long*)(&config_word))
132#define netxen_gb_rx_flowctl(config_word) \
133 set_bit(5, (unsigned long*)(&config_word))
134#define netxen_gb_tx_reset_pb(config_word) \
135 set_bit(16, (unsigned long*)(&config_word))
136#define netxen_gb_rx_reset_pb(config_word) \
137 set_bit(17, (unsigned long*)(&config_word))
138#define netxen_gb_tx_reset_mac(config_word) \
139 set_bit(18, (unsigned long*)(&config_word))
140#define netxen_gb_rx_reset_mac(config_word) \
141 set_bit(19, (unsigned long*)(&config_word))
142#define netxen_gb_soft_reset(config_word) \
143 set_bit(31, (unsigned long*)(&config_word))
144
145#define netxen_gb_unset_tx_flowctl(config_word) \
146 clear_bit(4, (unsigned long *)(&config_word))
147#define netxen_gb_unset_rx_flowctl(config_word) \
148 clear_bit(5, (unsigned long*)(&config_word))
149
150#define netxen_gb_get_tx_synced(config_word) \
151 _netxen_crb_get_bit((config_word), 1)
152#define netxen_gb_get_rx_synced(config_word) \
153 _netxen_crb_get_bit((config_word), 3)
154#define netxen_gb_get_tx_flowctl(config_word) \
155 _netxen_crb_get_bit((config_word), 4)
156#define netxen_gb_get_rx_flowctl(config_word) \
157 _netxen_crb_get_bit((config_word), 5)
158#define netxen_gb_get_soft_reset(config_word) \
159 _netxen_crb_get_bit((config_word), 31)
160
161/*
162 * NIU GB MAC Config Register 1 (applies to GB0, GB1, GB2, GB3)
163 *
164 * Bit 0 : duplex => 1:full duplex mode, 0:half duplex
165 * Bit 1 : crc_enable => 1:append CRC to xmit frames, 0:dont append
166 * Bit 2 : padshort => 1:pad short frames and add CRC, 0:dont pad
167 * Bit 4 : checklength => 1:check framelen with actual,0:dont check
168 * Bit 5 : hugeframes => 1:allow oversize xmit frames, 0:dont allow
169 * Bits 8-9 : intfmode => 01:nibble (10/100), 10:byte (1000)
170 * Bits 12-15 : preamblelen => preamble field length in bytes, default 7
171 */
172
173#define netxen_gb_set_duplex(config_word) \
174 set_bit(0, (unsigned long*)&config_word)
175#define netxen_gb_set_crc_enable(config_word) \
176 set_bit(1, (unsigned long*)&config_word)
177#define netxen_gb_set_padshort(config_word) \
178 set_bit(2, (unsigned long*)&config_word)
179#define netxen_gb_set_checklength(config_word) \
180 set_bit(4, (unsigned long*)&config_word)
181#define netxen_gb_set_hugeframes(config_word) \
182 set_bit(5, (unsigned long*)&config_word)
183#define netxen_gb_set_preamblelen(config_word, val) \
184 ((config_word) |= ((val) << 12) & 0xF000)
185#define netxen_gb_set_intfmode(config_word, val) \
186 ((config_word) |= ((val) << 8) & 0x300)
187
188#define netxen_gb_get_stationaddress_low(config_word) ((config_word) >> 16)
189
190#define netxen_gb_set_mii_mgmt_clockselect(config_word, val) \
191 ((config_word) |= ((val) & 0x07))
192#define netxen_gb_mii_mgmt_reset(config_word) \
193 set_bit(31, (unsigned long*)&config_word)
194#define netxen_gb_mii_mgmt_unset(config_word) \
195 clear_bit(31, (unsigned long*)&config_word)
196
197/*
198 * NIU GB MII Mgmt Command Register (applies to GB0, GB1, GB2, GB3)
199 * Bit 0 : read_cycle => 1:perform single read cycle, 0:no-op
200 * Bit 1 : scan_cycle => 1:perform continuous read cycles, 0:no-op
201 */
202
203#define netxen_gb_mii_mgmt_set_read_cycle(config_word) \
204 set_bit(0, (unsigned long*)&config_word)
205#define netxen_gb_mii_mgmt_reg_addr(config_word, val) \
206 ((config_word) |= ((val) & 0x1F))
207#define netxen_gb_mii_mgmt_phy_addr(config_word, val) \
208 ((config_word) |= (((val) & 0x1F) << 8))
209
210/*
211 * NIU GB MII Mgmt Indicators Register (applies to GB0, GB1, GB2, GB3)
212 * Read-only register.
213 * Bit 0 : busy => 1:performing an MII mgmt cycle, 0:idle
214 * Bit 1 : scanning => 1:scan operation in progress, 0:idle
215 * Bit 2 : notvalid => :mgmt result data not yet valid, 0:idle
216 */
217#define netxen_get_gb_mii_mgmt_busy(config_word) \
218 _netxen_crb_get_bit(config_word, 0)
219#define netxen_get_gb_mii_mgmt_scanning(config_word) \
220 _netxen_crb_get_bit(config_word, 1)
221#define netxen_get_gb_mii_mgmt_notvalid(config_word) \
222 _netxen_crb_get_bit(config_word, 2)
223
224/*
225 * PHY-Specific MII control/status registers.
226 */
227typedef enum {
228 NETXEN_NIU_GB_MII_MGMT_ADDR_CONTROL = 0,
229 NETXEN_NIU_GB_MII_MGMT_ADDR_STATUS = 1,
230 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_0 = 2,
231 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_1 = 3,
232 NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG = 4,
233 NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART = 5,
234 NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG_MORE = 6,
235 NETXEN_NIU_GB_MII_MGMT_ADDR_NEXTPAGE_XMIT = 7,
236 NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART_NEXTPAGE = 8,
237 NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_CONTROL = 9,
238 NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_STATUS = 10,
239 NETXEN_NIU_GB_MII_MGMT_ADDR_EXTENDED_STATUS = 15,
240 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL = 16,
241 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS = 17,
242 NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE = 18,
243 NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS = 19,
244 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE = 20,
245 NETXEN_NIU_GB_MII_MGMT_ADDR_RECV_ERROR_COUNT = 21,
246 NETXEN_NIU_GB_MII_MGMT_ADDR_LED_CONTROL = 24,
247 NETXEN_NIU_GB_MII_MGMT_ADDR_LED_OVERRIDE = 25,
248 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE_YET = 26,
249 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS_MORE = 27
250} netxen_niu_phy_register_t;
251
252/*
253 * PHY-Specific Status Register (reg 17).
254 *
255 * Bit 0 : jabber => 1:jabber detected, 0:not
256 * Bit 1 : polarity => 1:polarity reversed, 0:normal
257 * Bit 2 : recvpause => 1:receive pause enabled, 0:disabled
258 * Bit 3 : xmitpause => 1:transmit pause enabled, 0:disabled
259 * Bit 4 : energydetect => 1:sleep, 0:active
260 * Bit 5 : downshift => 1:downshift, 0:no downshift
261 * Bit 6 : crossover => 1:MDIX (crossover), 0:MDI (no crossover)
262 * Bits 7-9 : cablelen => not valid in 10Mb/s mode
263 * 0:<50m, 1:50-80m, 2:80-110m, 3:110-140m, 4:>140m
264 * Bit 10 : link => 1:link up, 0:link down
265 * Bit 11 : resolved => 1:speed and duplex resolved, 0:not yet
266 * Bit 12 : pagercvd => 1:page received, 0:page not received
267 * Bit 13 : duplex => 1:full duplex, 0:half duplex
268 * Bits 14-15 : speed => 0:10Mb/s, 1:100Mb/s, 2:1000Mb/s, 3:rsvd
269 */
270
271#define netxen_get_phy_cablelen(config_word) (((config_word) >> 7) & 0x07)
272#define netxen_get_phy_speed(config_word) (((config_word) >> 14) & 0x03)
273
274#define netxen_set_phy_speed(config_word, val) \
275 ((config_word) |= ((val & 0x03) << 14))
276#define netxen_set_phy_duplex(config_word) \
277 set_bit(13, (unsigned long*)&config_word)
278#define netxen_clear_phy_duplex(config_word) \
279 clear_bit(13, (unsigned long*)&config_word)
280
281#define netxen_get_phy_jabber(config_word) \
282 _netxen_crb_get_bit(config_word, 0)
283#define netxen_get_phy_polarity(config_word) \
284 _netxen_crb_get_bit(config_word, 1)
285#define netxen_get_phy_recvpause(config_word) \
286 _netxen_crb_get_bit(config_word, 2)
287#define netxen_get_phy_xmitpause(config_word) \
288 _netxen_crb_get_bit(config_word, 3)
289#define netxen_get_phy_energydetect(config_word) \
290 _netxen_crb_get_bit(config_word, 4)
291#define netxen_get_phy_downshift(config_word) \
292 _netxen_crb_get_bit(config_word, 5)
293#define netxen_get_phy_crossover(config_word) \
294 _netxen_crb_get_bit(config_word, 6)
295#define netxen_get_phy_link(config_word) \
296 _netxen_crb_get_bit(config_word, 10)
297#define netxen_get_phy_resolved(config_word) \
298 _netxen_crb_get_bit(config_word, 11)
299#define netxen_get_phy_pagercvd(config_word) \
300 _netxen_crb_get_bit(config_word, 12)
301#define netxen_get_phy_duplex(config_word) \
302 _netxen_crb_get_bit(config_word, 13)
303
304/*
305 * Interrupt Register definition
306 * This definition applies to registers 18 and 19 (int enable and int status).
307 * Bit 0 : jabber
308 * Bit 1 : polarity_changed
309 * Bit 4 : energy_detect
310 * Bit 5 : downshift
311 * Bit 6 : mdi_xover_changed
312 * Bit 7 : fifo_over_underflow
313 * Bit 8 : false_carrier
314 * Bit 9 : symbol_error
315 * Bit 10: link_status_changed
316 * Bit 11: autoneg_completed
317 * Bit 12: page_received
318 * Bit 13: duplex_changed
319 * Bit 14: speed_changed
320 * Bit 15: autoneg_error
321 */
322
323#define netxen_get_phy_int_jabber(config_word) \
324 _netxen_crb_get_bit(config_word, 0)
325#define netxen_get_phy_int_polarity_changed(config_word) \
326 _netxen_crb_get_bit(config_word, 1)
327#define netxen_get_phy_int_energy_detect(config_word) \
328 _netxen_crb_get_bit(config_word, 4)
329#define netxen_get_phy_int_downshift(config_word) \
330 _netxen_crb_get_bit(config_word, 5)
331#define netxen_get_phy_int_mdi_xover_changed(config_word) \
332 _netxen_crb_get_bit(config_word, 6)
333#define netxen_get_phy_int_fifo_over_underflow(config_word) \
334 _netxen_crb_get_bit(config_word, 7)
335#define netxen_get_phy_int_false_carrier(config_word) \
336 _netxen_crb_get_bit(config_word, 8)
337#define netxen_get_phy_int_symbol_error(config_word) \
338 _netxen_crb_get_bit(config_word, 9)
339#define netxen_get_phy_int_link_status_changed(config_word) \
340 _netxen_crb_get_bit(config_word, 10)
341#define netxen_get_phy_int_autoneg_completed(config_word) \
342 _netxen_crb_get_bit(config_word, 11)
343#define netxen_get_phy_int_page_received(config_word) \
344 _netxen_crb_get_bit(config_word, 12)
345#define netxen_get_phy_int_duplex_changed(config_word) \
346 _netxen_crb_get_bit(config_word, 13)
347#define netxen_get_phy_int_speed_changed(config_word) \
348 _netxen_crb_get_bit(config_word, 14)
349#define netxen_get_phy_int_autoneg_error(config_word) \
350 _netxen_crb_get_bit(config_word, 15)
351
352#define netxen_set_phy_int_link_status_changed(config_word) \
353 set_bit(10, (unsigned long*)&config_word)
354#define netxen_set_phy_int_autoneg_completed(config_word) \
355 set_bit(11, (unsigned long*)&config_word)
356#define netxen_set_phy_int_speed_changed(config_word) \
357 set_bit(14, (unsigned long*)&config_word)
358
359/*
360 * NIU Mode Register.
361 * Bit 0 : enable FibreChannel
362 * Bit 1 : enable 10/100/1000 Ethernet
363 * Bit 2 : enable 10Gb Ethernet
364 */
365
366#define netxen_get_niu_enable_ge(config_word) \
367 _netxen_crb_get_bit(config_word, 1)
368
369/* Promiscous mode options (GbE mode only) */
370typedef enum {
371 NETXEN_NIU_PROMISC_MODE = 0,
372 NETXEN_NIU_NON_PROMISC_MODE
373} netxen_niu_prom_mode_t;
374
375/*
376 * NIU GB Drop CRC Register
377 *
378 * Bit 0 : drop_gb0 => 1:drop pkts with bad CRCs, 0:pass them on
379 * Bit 1 : drop_gb1 => 1:drop pkts with bad CRCs, 0:pass them on
380 * Bit 2 : drop_gb2 => 1:drop pkts with bad CRCs, 0:pass them on
381 * Bit 3 : drop_gb3 => 1:drop pkts with bad CRCs, 0:pass them on
382 */
383
384#define netxen_set_gb_drop_gb0(config_word) \
385 set_bit(0, (unsigned long*)&config_word)
386#define netxen_set_gb_drop_gb1(config_word) \
387 set_bit(1, (unsigned long*)&config_word)
388#define netxen_set_gb_drop_gb2(config_word) \
389 set_bit(2, (unsigned long*)&config_word)
390#define netxen_set_gb_drop_gb3(config_word) \
391 set_bit(3, (unsigned long*)&config_word)
392
393#define netxen_clear_gb_drop_gb0(config_word) \
394 clear_bit(0, (unsigned long*)&config_word)
395#define netxen_clear_gb_drop_gb1(config_word) \
396 clear_bit(1, (unsigned long*)&config_word)
397#define netxen_clear_gb_drop_gb2(config_word) \
398 clear_bit(2, (unsigned long*)&config_word)
399#define netxen_clear_gb_drop_gb3(config_word) \
400 clear_bit(3, (unsigned long*)&config_word)
401
402/*
403 * NIU XG MAC Config Register
404 *
405 * Bit 0 : tx_enable => 1:enable frame xmit, 0:disable
406 * Bit 2 : rx_enable => 1:enable frame recv, 0:disable
407 * Bit 4 : soft_reset => 1:reset the MAC , 0:no-op
408 * Bit 27: xaui_framer_reset
409 * Bit 28: xaui_rx_reset
410 * Bit 29: xaui_tx_reset
411 * Bit 30: xg_ingress_afifo_reset
412 * Bit 31: xg_egress_afifo_reset
413 */
414
415#define netxen_xg_soft_reset(config_word) \
416 set_bit(4, (unsigned long*)&config_word)
417
418/*
419 * MAC Control Register
420 *
421 * Bit 0-1 : id_pool0
422 * Bit 2 : enable_xtnd0
423 * Bit 4-5 : id_pool1
424 * Bit 6 : enable_xtnd1
425 * Bit 8-9 : id_pool2
426 * Bit 10 : enable_xtnd2
427 * Bit 12-13 : id_pool3
428 * Bit 14 : enable_xtnd3
429 * Bit 24-25 : mode_select
430 * Bit 28-31 : enable_pool
431 */
432
433#define netxen_nic_mcr_set_id_pool0(config, val) \
434 ((config) |= ((val) &0x03))
435#define netxen_nic_mcr_set_enable_xtnd0(config) \
436 (set_bit(3, (unsigned long *)&(config)))
437#define netxen_nic_mcr_set_id_pool1(config, val) \
438 ((config) |= (((val) & 0x03) << 4))
439#define netxen_nic_mcr_set_enable_xtnd1(config) \
440 (set_bit(6, (unsigned long *)&(config)))
441#define netxen_nic_mcr_set_id_pool2(config, val) \
442 ((config) |= (((val) & 0x03) << 8))
443#define netxen_nic_mcr_set_enable_xtnd2(config) \
444 (set_bit(10, (unsigned long *)&(config)))
445#define netxen_nic_mcr_set_id_pool3(config, val) \
446 ((config) |= (((val) & 0x03) << 12))
447#define netxen_nic_mcr_set_enable_xtnd3(config) \
448 (set_bit(14, (unsigned long *)&(config)))
449#define netxen_nic_mcr_set_mode_select(config, val) \
450 ((config) |= (((val) & 0x03) << 24))
451#define netxen_nic_mcr_set_enable_pool(config, val) \
452 ((config) |= (((val) & 0x0f) << 28))
453
454/* Set promiscuous mode for a GbE interface */
455int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, int port,
456 netxen_niu_prom_mode_t mode);
457int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
458 int port, netxen_niu_prom_mode_t mode);
459
460/* get/set the MAC address for a given MAC */
461int netxen_niu_macaddr_get(struct netxen_adapter *adapter, int port,
462 netxen_ethernet_macaddr_t * addr);
463int netxen_niu_macaddr_set(struct netxen_port *port,
464 netxen_ethernet_macaddr_t addr);
465
466/* XG versons */
467int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, int port,
468 netxen_ethernet_macaddr_t * addr);
469int netxen_niu_xg_macaddr_set(struct netxen_port *port,
470 netxen_ethernet_macaddr_t addr);
471
472/* Generic enable for GbE ports. Will detect the speed of the link. */
473int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port);
474
475/* Disable a GbE interface */
476int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter, int port);
477
478int netxen_niu_disable_xg_port(struct netxen_adapter *adapter, int port);
479
480#endif /* __NETXEN_NIC_HW_H_ */