1 /******************************************************************************/
3 /* Broadcom BCM5700 Linux Network Driver, Copyright (c) 2001 Broadcom */
5 /* All rights reserved. */
7 /* This program is free software; you can redistribute it and/or modify */
8 /* it under the terms of the GNU General Public License as published by */
9 /* the Free Software Foundation, located in the file LICENSE. */
12 /******************************************************************************/
20 /******************************************************************************/
22 /******************************************************************************/
24 #define AN_LINK_TIMER_INTERVAL_US 9000 /* 10ms */
32 /******************************************************************************/
33 /* Main data structure for keeping track of 802.3z auto-negotation state */
34 /* variables as shown in Figure 37-6 of the IEEE 802.3z specification. */
35 /******************************************************************************/
39 /* Current auto-negotiation state. */
41 #define AN_STATE_UNKNOWN 0
42 #define AN_STATE_AN_ENABLE 1
43 #define AN_STATE_AN_RESTART_INIT 2
44 #define AN_STATE_AN_RESTART 3
45 #define AN_STATE_DISABLE_LINK_OK 4
46 #define AN_STATE_ABILITY_DETECT_INIT 5
47 #define AN_STATE_ABILITY_DETECT 6
48 #define AN_STATE_ACK_DETECT_INIT 7
49 #define AN_STATE_ACK_DETECT 8
50 #define AN_STATE_COMPLETE_ACK_INIT 9
51 #define AN_STATE_COMPLETE_ACK 10
52 #define AN_STATE_IDLE_DETECT_INIT 11
53 #define AN_STATE_IDLE_DETECT 12
54 #define AN_STATE_LINK_OK 13
55 #define AN_STATE_NEXT_PAGE_WAIT_INIT 14
56 #define AN_STATE_NEXT_PAGE_WAIT 16
59 unsigned long LinkTime_us;
62 unsigned long CurrentTime_us;
64 /* Need these values for consistency check. */
65 unsigned short AbilityMatchCfg;
67 /* Ability, idle, and ack match functions. */
68 unsigned long AbilityMatchCnt;
76 /* The TxConfig register is arranged as follows: */
79 /* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ */
80 /* | D7| D6| D5| D4| D3| D2| D1| D0|D15|D14|D13|D12|D11|D10| D9| D8| */
81 /* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ */
84 #ifdef BIG_ENDIAN_HOST
85 unsigned int D7:1; /* PS1 */
86 unsigned int D6:1; /* HD */
87 unsigned int D5:1; /* FD */
93 unsigned int D15:1; /* NP */
94 unsigned int D14:1; /* ACK */
95 unsigned int D13:1; /* RF2 */
96 unsigned int D12:1; /* RF1 */
100 unsigned int D8:1; /* PS2 */
101 #else /* BIG_ENDIAN_HOST */
102 unsigned int D8:1; /* PS2 */
106 unsigned int D12:1; /* RF1 */
107 unsigned int D13:1; /* RF2 */
108 unsigned int D14:1; /* ACK */
109 unsigned int D15:1; /* NP */
115 unsigned int D5:1; /* FD */
116 unsigned int D6:1; /* HD */
117 unsigned int D7:1; /* PS1 */
121 unsigned short AsUSHORT;
123 #define D8_PS2 bits.D8
124 #define D12_RF1 bits.D12
125 #define D13_RF2 bits.D13
126 #define D14_ACK bits.D14
127 #define D15_NP bits.D15
128 #define D5_FD bits.D5
129 #define D6_HD bits.D6
130 #define D7_PS1 bits.D7
136 /* The RxConfig register is arranged as follows: */
139 /* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ */
140 /* | D7| D6| D5| D4| D3| D2| D1| D0|D15|D14|D13|D12|D11|D10| D9| D8| */
141 /* +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+ */
144 #ifdef BIG_ENDIAN_HOST
145 unsigned int D7:1; /* PS1 */
146 unsigned int D6:1; /* HD */
147 unsigned int D5:1; /* FD */
153 unsigned int D15:1; /* NP */
154 unsigned int D14:1; /* ACK */
155 unsigned int D13:1; /* RF2 */
156 unsigned int D12:1; /* RF1 */
160 unsigned int D8:1; /* PS2 */
161 #else /* BIG_ENDIAN_HOST */
162 unsigned int D8:1; /* PS2 */
166 unsigned int D12:1; /* RF1 */
167 unsigned int D13:1; /* RF2 */
168 unsigned int D14:1; /* ACK */
169 unsigned int D15:1; /* NP */
175 unsigned int D5:1; /* FD */
176 unsigned int D6:1; /* HD */
177 unsigned int D7:1; /* PS1 */
181 unsigned short AsUSHORT;
184 #define AN_CONFIG_NP 0x0080
185 #define AN_CONFIG_ACK 0x0040
186 #define AN_CONFIG_RF2 0x0020
187 #define AN_CONFIG_RF1 0x0010
188 #define AN_CONFIG_PS2 0x0001
189 #define AN_CONFIG_PS1 0x8000
190 #define AN_CONFIG_HD 0x4000
191 #define AN_CONFIG_FD 0x2000
194 /* Management registers. */
196 /* Control register. */
201 unsigned int an_enable:1;
202 unsigned int loopback:1;
203 unsigned int reset:1;
204 unsigned int restart_an:1;
207 unsigned short AsUSHORT;
209 #define mr_an_enable Mr0.bits.an_enable
210 #define mr_loopback Mr0.bits.loopback
211 #define mr_main_reset Mr0.bits.reset
212 #define mr_restart_an Mr0.bits.restart_an
215 /* Status register. */
220 unsigned int an_complete:1;
221 unsigned int link_ok:1;
224 unsigned short AsUSHORT;
226 #define mr_an_complete Mr1.bits.an_complete
227 #define mr_link_ok Mr1.bits.link_ok
230 /* Advertisement register. */
235 unsigned int reserved_4:5;
236 unsigned int full_duplex:1;
237 unsigned int half_duplex:1;
238 unsigned int sym_pause:1;
239 unsigned int asym_pause:1;
240 unsigned int reserved_11:3;
241 unsigned int remote_fault1:1;
242 unsigned int remote_fault2:1;
243 unsigned int reserved_14:1;
244 unsigned int next_page:1;
247 unsigned short AsUSHORT;
249 #define mr_adv_full_duplex Mr4.bits.full_duplex
250 #define mr_adv_half_duplex Mr4.bits.half_duplex
251 #define mr_adv_sym_pause Mr4.bits.sym_pause
252 #define mr_adv_asym_pause Mr4.bits.asym_pause
253 #define mr_adv_remote_fault1 Mr4.bits.remote_fault1
254 #define mr_adv_remote_fault2 Mr4.bits.remote_fault2
255 #define mr_adv_next_page Mr4.bits.next_page
258 /* Link partner advertisement register. */
263 unsigned int reserved_4:5;
264 unsigned int lp_full_duplex:1;
265 unsigned int lp_half_duplex:1;
266 unsigned int lp_sym_pause:1;
267 unsigned int lp_asym_pause:1;
268 unsigned int reserved_11:3;
269 unsigned int lp_remote_fault1:1;
270 unsigned int lp_remote_fault2:1;
271 unsigned int lp_ack:1;
272 unsigned int lp_next_page:1;
275 unsigned short AsUSHORT;
277 #define mr_lp_adv_full_duplex Mr5.bits.lp_full_duplex
278 #define mr_lp_adv_half_duplex Mr5.bits.lp_half_duplex
279 #define mr_lp_adv_sym_pause Mr5.bits.lp_sym_pause
280 #define mr_lp_adv_asym_pause Mr5.bits.lp_asym_pause
281 #define mr_lp_adv_remote_fault1 Mr5.bits.lp_remote_fault1
282 #define mr_lp_adv_remote_fault2 Mr5.bits.lp_remote_fault2
283 #define mr_lp_adv_next_page Mr5.bits.lp_next_page
286 /* Auto-negotiation expansion register. */
291 unsigned int reserved_0:1;
292 unsigned int page_received:1;
293 unsigned int next_pageable:1;
294 unsigned int reserved_15:13;
297 unsigned short AsUSHORT;
300 /* Auto-negotiation next page transmit register. */
305 unsigned int code_field:11;
306 unsigned int toggle:1;
308 unsigned int message_page:1;
309 unsigned int reserved_14:1;
310 unsigned int next_page:1;
313 unsigned short AsUSHORT;
315 #define mr_np_tx Mr7.AsUSHORT
318 /* Auto-negotiation link partner ability register. */
323 unsigned int code_field:11;
324 unsigned int toggle:1;
326 unsigned int message_page:1;
328 unsigned int next_page:1;
331 unsigned short AsUSHORT;
333 #define mr_lp_np_rx Mr8.AsUSHORT
336 /* Extended status register. */
341 unsigned int reserved_11:12;
342 unsigned int base1000_t_hd:1;
343 unsigned int base1000_t_fd:1;
344 unsigned int base1000_x_hd:1;
345 unsigned int base1000_x_fd:1;
348 unsigned short AsUSHORT;
351 /* Miscellaneous state variables. */
356 unsigned int toggle_tx:1;
357 unsigned int toggle_rx:1;
358 unsigned int np_rx:1;
359 unsigned int page_rx:1;
360 unsigned int np_loaded:1;
363 unsigned short AsUSHORT;
365 #define mr_toggle_tx MrMisc.bits.toggle_tx
366 #define mr_toggle_rx MrMisc.bits.toggle_rx
367 #define mr_np_rx MrMisc.bits.np_rx
368 #define mr_page_rx MrMisc.bits.page_rx
369 #define mr_np_loaded MrMisc.bits.np_loaded
373 /* Implement specifics */
375 /* Pointer to the operating system specific data structure. */
377 } AN_STATE_INFO, *PAN_STATE_INFO;
381 /******************************************************************************/
382 /* Return code of Autoneg8023z. */
383 /******************************************************************************/
387 AUTONEG_STATUS_OK = 0,
388 AUTONEG_STATUS_DONE = 1,
389 AUTONEG_STATUS_TIMER_ENABLED = 2,
390 AUTONEG_STATUS_FAILED = 0xfffffff
391 } AUTONEG_STATUS, *PAUTONEG_STATUS;
395 /******************************************************************************/
396 /* Function prototypes. */
397 /******************************************************************************/
399 AUTONEG_STATUS Autoneg8023z(PAN_STATE_INFO pAnInfo);
400 void AutonegInit(PAN_STATE_INFO pAnInfo);
404 /******************************************************************************/
405 /* The following functions are defined in the os-dependent module. */
406 /******************************************************************************/
408 void MM_AnTxConfig(PAN_STATE_INFO pAnInfo);
409 void MM_AnTxIdle(PAN_STATE_INFO pAnInfo);
410 char MM_AnRxConfig(PAN_STATE_INFO pAnInfo, unsigned short *pRxConfig);
414 #endif /* AUTONEG_H */