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grub2: bring back build of aros-side grub2 tools
[AROS.git] / workbench / devs / networks / rtl8139 / rtl8139.c
blobbee3096a8ff9df79f2128d790b59aaaf3da21cd0
1 /*
2 * $Id$
3 */
4
5 /*
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (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 GNU
14 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, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19 MA 02111-1307, USA.
20 */
21
22 #include "rtl8139.h"
23
24 #include <exec/types.h>
25 #include <exec/resident.h>
26 #include <exec/io.h>
27 #include <exec/ports.h>
28
29 #include <aros/libcall.h>
30 #include <aros/macros.h>
31 #include <aros/io.h>
32
33 #include <oop/oop.h>
34
35 #include <devices/timer.h>
36 #include <devices/sana2.h>
37 #include <devices/sana2specialstats.h>
38
39 #include <utility/utility.h>
40 #include <utility/tagitem.h>
41 #include <utility/hooks.h>
42
43 #include <hidd/pci.h>
44
45 #include <proto/oop.h>
46 #include <proto/exec.h>
47 #include <proto/dos.h>
48 #include <proto/battclock.h>
49
50 #include <hardware/intbits.h>
51
52 #include <stdlib.h>
53
54 #include "unit.h"
55 #include LC_LIBDEFS_FILE
56
57 /* A bit fixed linux stuff here :) */
58
59 #undef LIBBASE
60 #define LIBBASE (unit->rtl8139u_device)
61
62 #if defined(__i386__) || defined(__x86_64__)
63 #define TIMER_RPROK 3599597124UL
64
65 static ULONG usec2tick(ULONG usec)
66 {
67 ULONG ret, timer_rpr = TIMER_RPROK;
68 asm volatile("movl $0,%%eax; divl %2":"=a"(ret):"d"(usec),"m"(timer_rpr));
69 return ret;
70 }
71
72 void udelay(LONG usec)
73 {
74 int oldtick, tick;
75 usec = usec2tick(usec);
76
77 BYTEOUT(0x43, 0x80);
78 oldtick = BYTEIN(0x42);
79 oldtick += BYTEIN(0x42) << 8;
80
81 while (usec > 0)
82 {
83 BYTEOUT(0x43, 0x80);
84 tick = BYTEIN(0x42);
85 tick += BYTEIN(0x42) << 8;
86
87 usec -= (oldtick - tick);
88 if (tick > oldtick) usec -= 0x10000;
89 oldtick = tick;
90 }
91 }
92 #else
93
94 struct timerequest timerio;
95 struct MsgPort *timermp;
96
97 void udelay(LONG usec)
98 {
99 timerio.tr_node.io_Command = TR_ADDREQUEST;
100 timerio.tr_time.tv_secs = usec / 1000000;
101 timerio.tr_time.tv_micro = usec % 1000000;
102 DoIO(&timerio.tr_node);
103 }
104
105 int init_timer(void)
106 {
107 if ((timermp = CreateMsgPort())) {
108 timerio.tr_node.io_Message.mn_Node.ln_Type=NT_MESSAGE;
109 timerio.tr_node.io_Message.mn_ReplyPort = timermp;
110 timerio.tr_node.io_Message.mn_Length=sizeof(timerio);
111 if (0 == OpenDevice("timer.device", UNIT_MICROHZ, &timerio.tr_node, 0)) {
112 return TRUE;
113 }
114 }
115 return FALSE;
116 }
117 ADD2INIT(init_timer, 10);
118
119 void exit_timer(void)
120 {
121 CloseDevice(&timerio.tr_node);
122 DeleteMsgPort(timermp);
123 }
124 ADD2EXIT(exit_timer, 10);
125 #endif
126
127 static inline struct fe_priv *get_pcnpriv(struct net_device *unit)
128 {
129 return unit->rtl8139u_fe_priv;
130 }
131
132 static inline UBYTE *get_hwbase(struct net_device *unit)
133 {
134 return (UBYTE *)unit->rtl8139u_BaseMem;
135 }
136
137 static int read_eeprom(long base, int location, int addr_len)
138 {
139 int i;
140 unsigned retval = 0;
141 long rtlprom_addr = base + RTLr_Cfg9346;
142 int read_cmd = location | (EE_READ_CMD << addr_len);
143
144 BYTEOUT(rtlprom_addr, EE_ENB & ~EE_CS);
145 BYTEOUT(rtlprom_addr, EE_ENB);
146
147 // Shift the read command bits out
148 for (i = 4 + addr_len; i >= 0; i--)
149 {
150 int dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
151 BYTEOUT(rtlprom_addr, EE_ENB | dataval);
152 eeprom_delay(rtlprom_addr);
153 BYTEOUT(rtlprom_addr, EE_ENB | dataval | EE_SHIFT_CLK);
154 eeprom_delay(rtlprom_addr);
155 }
156 BYTEOUT(rtlprom_addr, EE_ENB);
157 eeprom_delay(rtlprom_addr);
158
159 for (i = 16; i > 0; i--)
160 {
161 BYTEOUT(rtlprom_addr, EE_ENB | EE_SHIFT_CLK);
162 eeprom_delay(rtlprom_addr);
163 retval = (retval << 1) | ((BYTEIN(rtlprom_addr) & EE_DATA_READ) ? 1 : 0);
164 BYTEOUT(rtlprom_addr, EE_ENB);
165 eeprom_delay(rtlprom_addr);
166 }
167
168 // Terminate EEPROM access
169 BYTEOUT(rtlprom_addr, ~EE_CS);
170 eeprom_delay(rtlprom_addr);
171 return retval;
172 }
173
174 // Syncronize the MII management interface by shifting 32 one bits out
175 static char mii_2_8139_map[8] =
176 {
177 RTLr_MII_BMCR, RTLr_MII_BMSR, 0, 0, RTLr_NWayAdvert, RTLr_NWayLPAR, RTLr_NWayExpansion, 0
178 };
179
180 static void mdio_sync(long base)
181 {
182 int i;
183
184 for (i = 32; i >= 0; i--)
185 {
186 BYTEOUT(base, MDIO_WRITE1);
187 mdio_delay(base);
188 BYTEOUT(base, MDIO_WRITE1 | MDIO_CLK);
189 mdio_delay(base);
190 }
191 }
192
193 static int mdio_read(struct net_device *unit, int phy_id, int location)
194 {
195 // struct fe_priv *np = get_pcnpriv(unit);
196 UBYTE *base = get_hwbase(unit);
197 int mii_cmd = (0xf6 << 10) | (phy_id << 5) | location;
198 int retval = 0;
199 int i;
200
201 if (phy_id > 31)
202 {
203 // Really a 8139. Use internal registers
204 return location < 8 && mii_2_8139_map[location] ? WORDIN(base + mii_2_8139_map[location]) : 0;
205 }
206
207 mdio_sync((IPTR)base + RTLr_MII_SMI);
208
209 // Shift the read command bits out
210 for (i = 15; i >= 0; i--)
211 {
212 int dataval = (mii_cmd & (1 << i)) ? MDIO_DATA_OUT : 0;
213
214 BYTEOUT(base + RTLr_MII_SMI, MDIO_DIR | dataval);
215 mdio_delay(base + RTLr_MII_SMI);
216 BYTEOUT(base + RTLr_MII_SMI, MDIO_DIR | dataval | MDIO_CLK);
217 mdio_delay(base + RTLr_MII_SMI);
218 }
219
220 // Read the two transition, 16 data, and wire-idle bits
221 for (i = 19; i > 0; i--)
222 {
223 BYTEOUT(base + RTLr_MII_SMI, 0);
224 mdio_delay(base + RTLr_MII_SMI);
225 retval = (retval << 1) | ((BYTEIN(base + RTLr_MII_SMI) & MDIO_DATA_IN) ? 1 : 0);
226 BYTEOUT(base + RTLr_MII_SMI, MDIO_CLK);
227 mdio_delay(base + RTLr_MII_SMI);
228 }
229
230 return (retval >> 1) & 0xffff;
231 }
232
233 #if 0
234 static void rtl8139nic_start_rx(struct net_device *unit)
235 {
236 // struct fe_priv *np = get_pcnpriv(unit);
237 // UBYTE *base = get_hwbase(unit);
238
239 RTLD(bug("[%s] rtl8139nic_start_rx\n", unit->rtl8139u_name))
240 // Already running? Stop it.
241 /* TODO: Handle starting/stopping Rx */
242 }
243
244 static void rtl8139nic_stop_rx(struct net_device *unit)
245 {
246 // UBYTE *base = get_hwbase(unit);
247
248 RTLD(bug("[%s] rtl8139nic_stop_rx\n", unit->rtl8139u_name))
249 /* TODO: Handle starting/stopping Rx */
250 }
251
252 static void rtl8139nic_start_tx(struct net_device *unit)
253 {
254 // UBYTE *base = get_hwbase(unit);
255
256 RTLD(bug("[%s] rtl8139nic_start_tx()\n", unit->rtl8139u_name))
257 /* TODO: Handle starting/stopping Tx */
258 }
259
260 static void rtl8139nic_stop_tx(struct net_device *unit)
261 {
262 // UBYTE *base = get_hwbase(unit);
263
264 RTLD(bug("[%s] rtl8139nic_stop_tx()\n", unit->rtl8139u_name))
265 /* TODO: Handle starting/stopping Tx */
266 }
267
268 static void rtl8139nic_txrx_reset(struct net_device *unit)
269 {
270 // struct fe_priv *np = get_pcnpriv(unit);
271 // UBYTE *base = get_hwbase(unit);
272
273 RTLD(bug("[%s] rtl8139nic_txrx_reset()\n", unit->rtl8139u_name))
274 }
275 #endif
276
277 /*
278 * rtl8139nic_set_multicast: unit->set_multicast function
279 * Called with unit->xmit_lock held.
280 */
281 static void rtl8139nic_set_multicast(struct net_device *unit)
282 {
283 // struct fe_priv *np = get_pcnpriv(unit);
284 // UBYTE *base = get_hwbase(unit);
285 ULONG addr[2];
286 ULONG mask[2];
287 // ULONG pff;
288
289 RTLD(bug("[%s] rtl8139nic_set_multicast()\n", unit->rtl8139u_name))
290
291 memset(addr, 0, sizeof(addr));
292 memset(mask, 0, sizeof(mask));
293 }
294
295 static void rtl8139nic_deinitialize(struct net_device *unit)
296 {
297 int i;
298 UBYTE *base = get_hwbase(unit);
299
300 WORDOUT(base + RTLr_IntrMask, 0);
301 BYTEOUT(base + RTLr_ChipCmd, (BYTEIN(base + RTLr_ChipCmd) & CmdClear) | CmdReset);
302 udelay(100);
303 for (i = 1000; i > 0; i--)
304 {
305 if ((BYTEIN(base + RTLr_ChipCmd) & CmdReset) == 0)
306 {
307 break;
308 }
309 }
310 }
311
312 static void rtl8139nic_get_mac(struct net_device *unit, char * addr, BOOL fromROM)
313 {
314 UBYTE *base = get_hwbase(unit);
315 int i;
316
317 RTLD(bug("[%s] rtl8139nic_get_mac()\n",unit->rtl8139u_name))
318 if (fromROM)
319 {
320 int addr_len = read_eeprom((IPTR)base, 0, 8) == 0x8129 ? 8 : 6;
321 int mac_add = 0;
322 for (i = 0; i < 3; i++)
323 {
324 UWORD mac_curr = read_eeprom((IPTR)base, i + 7, addr_len);
325 addr[mac_add++] = mac_curr & 0xff;
326 addr[mac_add++] = (mac_curr >> 8) & 0xff;
327 }
328 }
329 else
330 {
331 ULONG mac_cur = 0;
332 mac_cur = LONGIN(base + RTLr_MAC0 + 0);
333 addr[0] = mac_cur & 0xFF;
334 addr[1] = (mac_cur >> 8) & 0xFF;
335 addr[2] = (mac_cur >> 16) & 0xFF;
336 addr[3] = (mac_cur >> 24) & 0xFF;
337 mac_cur = LONGIN(base + RTLr_MAC0 + 4);
338 addr[4] = mac_cur & 0xFF;
339 addr[5] = (mac_cur >> 8) & 0xFF;
340 }
341 }
342
343 static void rtl8139nic_set_mac(struct net_device *unit)
344 {
345 UBYTE *base = get_hwbase(unit);
346 // int i,j;
347
348 RTLD(bug("[%s] rtl8139nic_set_mac()\n",unit->rtl8139u_name))
349
350 BYTEOUT(base + RTLr_Cfg9346, 0xc0);
351
352 LONGOUT(base + RTLr_MAC0 + 0,
353 unit->rtl8139u_dev_addr[0] |
354 (unit->rtl8139u_dev_addr[1] << 8) |
355 (unit->rtl8139u_dev_addr[2] << 16) |
356 (unit->rtl8139u_dev_addr[3] << 24));
357 LONGOUT(base + RTLr_MAC0 + 4,
358 unit->rtl8139u_dev_addr[4] |
359 (unit->rtl8139u_dev_addr[5] << 8));
360
361 BYTEOUT(base + RTLr_Cfg9346, 0x00);
362
363 RTLD(
364 /* Read it back to be certain! */
365 TEXT newmac[6];
366 rtl8139nic_get_mac(unit, newmac, FALSE);
367
368 bug("[%s] rtl8139nic_set_mac: New MAC Address %02x:%02x:%02x:%02x:%02x:%02x\n", unit->rtl8139u_name,
369 newmac[0], newmac[1], newmac[2],
370 newmac[3], newmac[4], newmac[5]))
371 }
372
373 static void rtl8139nic_initialize(struct net_device *unit)
374 {
375 struct fe_priv *np = unit->rtl8139u_fe_priv;
376 UBYTE *base = get_hwbase(unit);
377 int config1;
378 // int i;
379
380 config1 = BYTEIN(base + RTLr_Config1);
381 if (unit->rtl8139u_rtl_chipcapabilities & RTLc_HAS_MII_XCVR)
382 {
383 // 8129
384 BYTEOUT(base + RTLr_Config1, config1 & ~0x03);
385 }
386 RTLD(bug("[%s] Chipset brought out of low power mode.\n", unit->rtl8139u_name))
387
388 rtl8139nic_get_mac(unit, np->orig_mac, TRUE);
389
390 int phy, phy_idx = 0;
391 if (unit->rtl8139u_rtl_chipcapabilities & RTLc_HAS_MII_XCVR)
392 {
393 for (phy = 0; phy < 32 && phy_idx < sizeof(np->mii_phys); phy++)
394 {
395 int mii_status = mdio_read(unit, phy, 1);
396 if (mii_status != 0xffff && mii_status != 0x0000)
397 {
398 np->mii_phys[phy_idx++] = phy;
399 np->advertising = mdio_read(unit, phy, 4);
400 RTLD(bug("[%s] MII transceiver %d status 0x%4.4x advertising %4.4x\n", unit->rtl8139u_name,
401 phy, mii_status, np->advertising))
402 }
403 }
404 }
405
406 if (phy_idx == 0)
407 {
408 RTLD(bug("[%s] No MII transceiver found, Assuming SYM transceiver\n", unit->rtl8139u_name))
409 np->mii_phys[0] = 32;
410 }
411
412 unit->rtl8139u_dev_addr[0] = unit->rtl8139u_org_addr[0] = np->orig_mac[0];
413 unit->rtl8139u_dev_addr[1] = unit->rtl8139u_org_addr[1] = np->orig_mac[1];
414 unit->rtl8139u_dev_addr[2] = unit->rtl8139u_org_addr[2] = np->orig_mac[2];
415 unit->rtl8139u_dev_addr[3] = unit->rtl8139u_org_addr[3] = np->orig_mac[3];
416 unit->rtl8139u_dev_addr[4] = unit->rtl8139u_org_addr[4] = np->orig_mac[4];
417 unit->rtl8139u_dev_addr[5] = unit->rtl8139u_org_addr[5] = np->orig_mac[5];
418
419 RTLD(bug("[%s] MAC Address %02x:%02x:%02x:%02x:%02x:%02x\n", unit->rtl8139u_name,
420 unit->rtl8139u_dev_addr[0], unit->rtl8139u_dev_addr[1], unit->rtl8139u_dev_addr[2],
421 unit->rtl8139u_dev_addr[3], unit->rtl8139u_dev_addr[4], unit->rtl8139u_dev_addr[5]))
422
423 BYTEOUT(base + RTLr_Cfg9346, 0xc0);
424 if (unit->rtl8139u_rtl_chipcapabilities & RTLc_HAS_MII_XCVR)
425 {
426 // 8129
427 BYTEOUT(base + RTLr_Config1, 0x03);
428 }
429 BYTEOUT(base + RTLr_HltClk, 'H'); //Disable the chips clock ('R' enables)
430 RTLD(bug("[%s] Chipset put into low power mode.\n", unit->rtl8139u_name))
431 }
432
433 static void rtl8139nic_drain_tx(struct net_device *unit)
434 {
435 // struct fe_priv *np = get_pcnpriv(unit);
436 // int i;
437
438 // for (i = 0; i < NUM_TX_DESC; i++)
439 // {
440 /* TODO: rtl8139nic_drain_tx does nothing atm. */
441 // }
442 }
443
444 static void rtl8139nic_drain_rx(struct net_device *unit)
445 {
446 // struct fe_priv *np = get_pcnpriv(unit);
447 // int i;
448
449 // for (i = 0; i < RX_RING_SIZE; i++)
450 // {
451 /* TODO: rtl8139nic_drain_rx does nothing atm. */
452 // }
453 }
454
455
456 static void drain_ring(struct net_device *unit)
457 {
458 rtl8139nic_drain_tx(unit);
459 rtl8139nic_drain_rx(unit);
460 }
461
462 static int request_irq(struct net_device *unit)
463 {
464 RTLD(bug("[%s] request_irq()\n", unit->rtl8139u_name))
465
466 if (!unit->rtl8139u_IntsAdded)
467 {
468 AddIntServer(INTB_KERNEL + unit->rtl8139u_IRQ,
469 &unit->rtl8139u_irqhandler);
470 AddIntServer(INTB_VERTB, &unit->rtl8139u_touthandler);
471 unit->rtl8139u_IntsAdded = TRUE;
472 }
473 RTLD(bug("[%s] request_irq: IRQ Handlers configured\n", unit->rtl8139u_name))
474
475 return 0;
476 }
477
478 static void free_irq(struct net_device *unit)
479 {
480 if (unit->rtl8139u_IntsAdded)
481 {
482 RemIntServer(INTB_KERNEL + unit->rtl8139u_IRQ,
483 &unit->rtl8139u_irqhandler);
484 RemIntServer(INTB_VERTB, &unit->rtl8139u_touthandler);
485 unit->rtl8139u_IntsAdded = FALSE;
486 }
487 }
488
489 int rtl8139nic_set_rxmode(struct net_device *unit)
490 {
491 struct fe_priv *np = get_pcnpriv(unit);
492 UBYTE *base = get_hwbase(unit);
493 ULONG mc_filter[2]; //Multicast hash filter.
494 ULONG rx_mode;
495
496 RTLD(bug("[%s] rtl8139nic_set_rxmode(flags %x)\n", unit->rtl8139u_name, unit->rtl8139u_flags))
497
498 /* TODO: Fix set_rxmode.. doesnt load multicast list atm .. */
499 if (unit->rtl8139u_flags & IFF_PROMISC)
500 {
501 RTLD(bug("[%s] rtl8139nic_set_rxmode: Mode: PROMISC\n",unit->rtl8139u_name))
502 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys | AcceptAllPhys;
503 mc_filter[1] = mc_filter[0] = 0xffffffff;
504 }
505 else if (unit->rtl8139u_flags & IFF_ALLMULTI)
506 {
507 RTLD(bug("[%s] rtl8139nic_set_rxmode: Mode: ALLMULTI\n",unit->rtl8139u_name))
508 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
509 mc_filter[1] = mc_filter[0] = 0xffffffff;
510 }
511 else
512 {
513 // struct mclist *mclist;
514 // int i;
515 RTLD(bug("[%s] rtl8139nic_set_rxmode: Mode: DEFAULT\n",unit->rtl8139u_name))
516
517 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
518 /*if (unit->mc_count < multicast_filter_limit)
519 {*/
520 mc_filter[1] = mc_filter[0] = 0;
521 /*for (i = 0, mclist = dev->netif->mclist; mclist && i < dev->netif->mccount; i++, mclist = mclist->next)
522 {
523 set_bit(mc_filter, ether_crc(6, (unsigned char *) &mclist->hwaddr) >> 26);
524 }
525 }
526 else
527 {
528 mc_filter[1] = mc_filter[0] = 0xffffffff;
529 }*/
530 }
531
532 LONGOUT(base + RTLr_RxConfig, np->rx_config | rx_mode);
533 LONGOUT(base + RTLr_MAR0 + 0, mc_filter[0]);
534 LONGOUT(base + RTLr_MAR0 + 4, mc_filter[1]);
535
536 return 0;
537 }
538
539 static int rtl8139nic_open(struct net_device *unit)
540 {
541 struct fe_priv *np = get_pcnpriv(unit);
542 UBYTE *base = get_hwbase(unit);
543 int ret, i, rx_buf_len_idx;
544
545 rx_buf_len_idx = RX_BUF_LEN_IDX;
546
547 ret = request_irq(unit);
548 if (ret)
549 {
550 goto out_drain;
551 }
552
553 np->rx_buf_len = 8192 << rx_buf_len_idx;
554
555 np->rx_buffer = HIDD_PCIDriver_AllocPCIMem(
556 unit->rtl8139u_PCIDriver,
557 (np->rx_buf_len + 16 + (TX_BUF_SIZE * NUM_TX_DESC))
558 );
559
560 if (np->rx_buffer != NULL)
561 {
562 np->tx_buffer = HIDD_PCIDriver_AllocPCIMem(
563 unit->rtl8139u_PCIDriver,
564 (np->rx_buf_len + 16 + (TX_BUF_SIZE * NUM_TX_DESC))
565 );
566 }
567
568 if ((np->rx_buffer != NULL) && (np->tx_buffer != NULL))
569 {
570 RTLD(bug("[%s] rtl8139nic_open: Allocated IO Buffers [ %d x Tx @ %x] [ Rx @ %x, %d bytes]\n",
571 unit->rtl8139u_name,
572 NUM_TX_DESC, np->tx_buffer,
573 np->rx_buffer, np->rx_buf_len))
574
575 np->tx_dirty = np->tx_current = 0;
576
577 for (i = 0; i < NUM_TX_DESC; i++)
578 {
579 np->tx_pbuf[i] = NULL;
580 np->tx_buf[i] = np->tx_buffer + (i * TX_BUF_SIZE);
581 }
582 RTLD(bug("[%s] rtl8139nic_open: TX Buffers initialised\n",unit->rtl8139u_name))
583
584 // Early Tx threshold: 256 bytes
585 np->tx_flag = (TX_FIFO_THRESH << 11) & 0x003f0000;
586 np->rx_config = (RX_FIFO_THRESH << 13) | (rx_buf_len_idx << 11) | (RX_DMA_BURST << 8);
587
588 BYTEOUT(base + RTLr_ChipCmd, (BYTEIN(base + RTLr_ChipCmd) & CmdClear) | CmdReset);
589 udelay(100);
590 for (i = 1000; i > 0; i--)
591 {
592 if ((BYTEIN(base + RTLr_ChipCmd) & CmdReset) == 0)
593 {
594 break;
595 }
596 }
597 RTLD(bug("[%s] rtl8139nic_open: NIC Reset\n",unit->rtl8139u_name))
598
599 rtl8139nic_set_mac(unit);
600 RTLD(bug("[%s] rtl8139nic_open: copied MAC address\n",unit->rtl8139u_name))
601
602 np->rx_current = 0;
603
604 // Unlock
605 BYTEOUT(base + RTLr_Cfg9346, 0xc0);
606
607 //Enable Tx/Rx so we can set the config(s)
608 BYTEOUT(base + RTLr_ChipCmd, (BYTEIN(base + RTLr_ChipCmd) & CmdClear) |
609 CmdRxEnb | CmdTxEnb);
610 LONGOUT(base + RTLr_RxConfig, np->rx_config);
611 LONGOUT(base + RTLr_TxConfig, TX_DMA_BURST << 8);
612
613 RTLD(bug("[%s] rtl8139nic_open: Enabled Tx/Rx\n",unit->rtl8139u_name))
614
615 /* check_duplex */
616 if (np->mii_phys[0] >= 0 || (unit->rtl8139u_rtl_chipcapabilities & RTLc_HAS_MII_XCVR))
617 {
618 UWORD mii_reg5 = mdio_read(unit, np->mii_phys[0], 5);
619 if (mii_reg5 != 0xffff)
620 {
621 if (((mii_reg5 & 0x0100) == 0x0100) || ((mii_reg5 & 0x00c0) == 0x0040))
622 {
623 np->full_duplex = 1;
624 }
625 }
626
627 if ((mii_reg5 == 0 ) || !(mii_reg5 & 0x0180))
628 {
629 unit->rtl8139u_rtl_LinkSpeed = 10000000;
630 }
631 else
632 {
633 unit->rtl8139u_rtl_LinkSpeed = 100000000;
634 }
635
636 RTLD(bug("[%s] rtl8139nic_open: Setting %s%s-duplex based on auto-neg partner ability %4.4x\n",unit->rtl8139u_name,
637 mii_reg5 == 0 ? "" : (mii_reg5 & 0x0180) ? "100mbps " : "10mbps ",
638 np->full_duplex ? "full" : "half", mii_reg5))
639 }
640
641 if (unit->rtl8139u_rtl_chipcapabilities & RTLc_HAS_MII_XCVR)
642 {
643 // 8129
644 BYTEOUT(base + RTLr_Config1, np->full_duplex ? 0x60 : 0x20);
645 }
646 // Lock
647 BYTEOUT(base + RTLr_Cfg9346, 0x00);
648 udelay(10);
649 LONGOUT(base + RTLr_RxBuf, (IPTR)np->rx_buffer);
650
651 //Start the chips Tx/Rx processes
652 LONGOUT(base + RTLr_RxMissed, 0);
653
654 rtl8139nic_set_rxmode(unit);
655
656 WORDOUT(base + RTLr_MultiIntr, WORDIN(RTLr_MultiIntr) & MultiIntrClear);
657
658 BYTEOUT(base + RTLr_ChipCmd, (BYTEIN(base + RTLr_ChipCmd) & CmdClear) |
659 CmdRxEnb | CmdTxEnb);
660
661 // Enable all known interrupts by setting the interrupt mask ..
662 WORDOUT(base + RTLr_IntrMask, PCIErr |
663 PCSTimeout |
664 RxUnderrun |
665 RxOverflow |
666 RxFIFOOver |
667 TxErr |
668 TxOK |
669 RxErr |
670 RxOK);
671
672 unit->rtl8139u_flags |= IFF_UP;
673 ReportEvents(LIBBASE, unit, S2EVENT_ONLINE);
674 RTLD(bug("[%s] rtl8139nic_open: Device set as ONLINE\n",unit->rtl8139u_name))
675 }
676 return 0;
677
678 out_drain:
679 drain_ring(unit);
680 return ret;
681 }
682
683 static int rtl8139nic_close(struct net_device *unit)
684 {
685 struct fe_priv *np = get_pcnpriv(unit);
686
687 unit->rtl8139u_flags &= ~IFF_UP;
688
689 ObtainSemaphore(&np->lock);
690 np->in_shutdown = 1;
691 ReleaseSemaphore(&np->lock);
692
693 unit->rtl8139u_toutNEED = FALSE;
694
695 ObtainSemaphore(&np->lock);
696
697 rtl8139nic_deinitialize(unit); // Stop the chipset and set it in 16bit-mode
698
699 ReleaseSemaphore(&np->lock);
700
701 free_irq(unit);
702
703 drain_ring(unit);
704
705 HIDD_PCIDriver_FreePCIMem(unit->rtl8139u_PCIDriver, np->rx_buffer);
706 HIDD_PCIDriver_FreePCIMem(unit->rtl8139u_PCIDriver, np->tx_buffer);
707
708 ReportEvents(LIBBASE, unit, S2EVENT_OFFLINE);
709
710 return 0;
711 }
712
713
714 void rtl8139nic_get_functions(struct net_device *Unit)
715 {
716 Unit->initialize = rtl8139nic_initialize;
717 Unit->deinitialize = rtl8139nic_deinitialize;
718 Unit->start = rtl8139nic_open;
719 Unit->stop = rtl8139nic_close;
720 Unit->set_mac_address = rtl8139nic_set_mac;
721 Unit->set_multicast = rtl8139nic_set_multicast;
722 }
Mirror of AROS' svn.