../linux/src/drivers/net/tlan.c

Bug Summary

File:	obj-scan-build/../linux/src/drivers/net/tlan.c
Location:	line 1823, column 2
Description:	Value stored to 'def_tx' is never read

Annotated Source Code

1	/********************************************************************
2	*
3	* Linux ThunderLAN Driver
4	*
5	* tlan.c
6	* by James Banks
7	*
8	* (C) 1997-1998 Caldera, Inc.
9	* (C) 1998 James Banks
10	*
11	* This software may be used and distributed according to the terms
12	* of the GNU Public License, incorporated herein by reference.
13	*
14	** This file is best viewed/edited with columns>=132.
15	*
16	** Useful (if not required) reading:
17	*
18	* Texas Instruments, ThunderLAN Programmer's Guide,
19	* TI Literature Number SPWU013A
20	* available in PDF format from www.ti.com
21	* Level One, LXT901 and LXT970 Data Sheets
22	* available in PDF format from www.level1.com
23	* National Semiconductor, DP83840A Data Sheet
24	* available in PDF format from www.national.com
25	* Microchip Technology, 24C01A/02A/04A Data Sheet
26	* available in PDF format from www.microchip.com
27	*
28	********************************************************************/
29
30
31	#include <linux/module.h>
32
33	#include "tlan.h"
34
35	#include <linux/bios32.h>
36	#include <linux/ioport.h>
37	#include <linux/pci.h>
38	#include <linux/etherdevice.h>
39	#include <linux/delay.h>
40
41
42
43	typedef u32 (TLanIntVectorFunc)( struct devicelinux_device *, u16 );
44
45
46	#ifdef MODULE
47
48	static struct devicelinux_device TLanDevices = NULL((void ) 0);
49	static int TLanDevicesInstalled = 0;
50
51	#endif
52
53
54	static int debug = 0;
55	static int aui = 0;
56	static int sa_int = 0;
57	static int bbuf = 0;
58	static int duplex = 0;
59	static int speed = 0;
60	static u8 *TLanPadBuffer;
61	static char TLanSignature[] = "TLAN";
62	static int TLanVersionMajor = 1;
63	static int TLanVersionMinor = 0;
64
65
66	static TLanAdapterEntry TLanAdapterList[] = {
67	{ PCI_VENDOR_ID_COMPAQ0x0e11,
68	PCI_DEVICE_ID_NETELLIGENT_100xAE34,
69	"Compaq Netelligent 10 T PCI UTP",
70	TLAN_ADAPTER_ACTIVITY_LED0x00000008,
71	0x83
72	},
73	{ PCI_VENDOR_ID_COMPAQ0x0e11,
74	PCI_DEVICE_ID_NETELLIGENT_10_1000xAE32,
75	"Compaq Netelligent 10/100 TX PCI UTP",
76	TLAN_ADAPTER_ACTIVITY_LED0x00000008,
77	0x83
78	},
79	{ PCI_VENDOR_ID_COMPAQ0x0e11,
80	PCI_DEVICE_ID_NETFLEX_3P_INTEGRATED0xAE35,
81	"Compaq Integrated NetFlex-3/P",
82	TLAN_ADAPTER_NONE0x00000000,
83	0x83
84	},
85	{ PCI_VENDOR_ID_COMPAQ0x0e11,
86	PCI_DEVICE_ID_NETFLEX_3P0xF130,
87	"Compaq NetFlex-3/P",
88	TLAN_ADAPTER_UNMANAGED_PHY0x00000001 \| TLAN_ADAPTER_BIT_RATE_PHY0x00000002,
89	0x83
90	},
91	{ PCI_VENDOR_ID_COMPAQ0x0e11,
92	PCI_DEVICE_ID_NETFLEX_3P_BNC0xF150,
93	"Compaq NetFlex-3/P",
94	TLAN_ADAPTER_NONE0x00000000,
95	0x83
96	},
97	{ PCI_VENDOR_ID_COMPAQ0x0e11,
98	PCI_DEVICE_ID_NETELLIGENT_10_100_PROLIANT0xAE43,
99	"Compaq Netelligent Integrated 10/100 TX UTP",
100	TLAN_ADAPTER_NONE0x00000000,
101	0x83
102	},
103	{ PCI_VENDOR_ID_COMPAQ0x0e11,
104	PCI_DEVICE_ID_NETELLIGENT_10_100_DUAL0xAE40,
105	"Compaq Netelligent Dual 10/100 TX PCI UTP",
106	TLAN_ADAPTER_NONE0x00000000,
107	0x83
108	},
109	{ PCI_VENDOR_ID_COMPAQ0x0e11,
110	PCI_DEVICE_ID_DESKPRO_4000_5233MMX0xB011,
111	"Compaq Netelligent 10/100 TX Embedded UTP",
112	TLAN_ADAPTER_NONE0x00000000,
113	0x83
114	},
115	{ PCI_VENDOR_ID_OLICOM0x108d,
116	PCI_DEVICE_ID_OLICOM_OC21830x0013,
117	"Olicom OC-2183/2185",
118	TLAN_ADAPTER_USE_INTERN_100x00000004,
119	0xF8
120	},
121	{ PCI_VENDOR_ID_OLICOM0x108d,
122	PCI_DEVICE_ID_OLICOM_OC23250x0012,
123	"Olicom OC-2325",
124	TLAN_ADAPTER_UNMANAGED_PHY0x00000001,
125	0xF8
126	},
127	{ PCI_VENDOR_ID_OLICOM0x108d,
128	PCI_DEVICE_ID_OLICOM_OC23260x0014,
129	"Olicom OC-2326",
130	TLAN_ADAPTER_USE_INTERN_100x00000004,
131	0xF8
132	},
133	{ PCI_VENDOR_ID_COMPAQ0x0e11,
134	PCI_DEVICE_ID_NETELLIGENT_10_100_WS_51000xB030,
135	"Compaq Netelligent 10/100 TX UTP",
136	TLAN_ADAPTER_ACTIVITY_LED0x00000008,
137	0x83
138	},
139	{ PCI_VENDOR_ID_COMPAQ0x0e11,
140	PCI_DEVICE_ID_NETELLIGENT_10_T20xB012,
141	"Compaq Netelligent 10 T/2 PCI UTP/Coax",
142	TLAN_ADAPTER_NONE0x00000000,
143	0x83
144	},
145	{ 0,
146	0,
147	NULL((void *) 0),
148	0,
149	0
150	} /* End of List */
151	};
152
153
154	static int TLan_PciProbe( u8 , u8 , u8 , u8 , u32 , u32 );
155	static int TLan_Init( struct devicelinux_device * );
156	static int TLan_Open(struct devicelinux_device *dev);
157	static int TLan_StartTx(struct sk_buff , struct devicelinux_device );
158	static void TLan_HandleInterrupt(int, void , struct pt_regs );
159	static int TLan_Close(struct devicelinux_device *);
160	static struct net_device_statsenet_statistics TLan_GetStats( struct devicelinux_device );
161	static void TLan_SetMulticastList( struct devicelinux_device * );
162
163	static u32 TLan_HandleInvalid( struct devicelinux_device *, u16 );
164	static u32 TLan_HandleTxEOF( struct devicelinux_device *, u16 );
165	static u32 TLan_HandleStatOverflow( struct devicelinux_device *, u16 );
166	static u32 TLan_HandleRxEOF( struct devicelinux_device *, u16 );
167	static u32 TLan_HandleDummy( struct devicelinux_device *, u16 );
168	static u32 TLan_HandleTxEOC( struct devicelinux_device *, u16 );
169	static u32 TLan_HandleStatusCheck( struct devicelinux_device *, u16 );
170	static u32 TLan_HandleRxEOC( struct devicelinux_device *, u16 );
171
172	static void TLan_Timer( unsigned long );
173
174	static void TLan_ResetLists( struct devicelinux_device * );
175	static void TLan_FreeLists( struct devicelinux_device * );
176	static void TLan_PrintDio( u16 );
177	static void TLan_PrintList( TLanList , char , int );
178	static void TLan_ReadAndClearStats( struct devicelinux_device *, int );
179	static void TLan_ResetAdapter( struct devicelinux_device * );
180	static void TLan_FinishReset( struct devicelinux_device * );
181	static void TLan_SetMac( struct devicelinux_device , int areg, char mac );
182
183	static void TLan_PhyPrint( struct devicelinux_device * );
184	static void TLan_PhyDetect( struct devicelinux_device * );
185	static void TLan_PhyPowerDown( struct devicelinux_device * );
186	static void TLan_PhyPowerUp( struct devicelinux_device * );
187	static void TLan_PhyReset( struct devicelinux_device * );
188	static void TLan_PhyStartLink( struct devicelinux_device * );
189	static void TLan_PhyFinishAutoNeg( struct devicelinux_device * );
190	/*
191	static int TLan_PhyNop( struct device * );
192	static int TLan_PhyInternalCheck( struct device * );
193	static int TLan_PhyInternalService( struct device * );
194	static int TLan_PhyDp83840aCheck( struct device * );
195	*/
196
197	static int TLan_MiiReadReg( struct devicelinux_device , u16, u16, u16 );
198	static void TLan_MiiSendData( u16, u32, unsigned );
199	static void TLan_MiiSync( u16 );
200	static void TLan_MiiWriteReg( struct devicelinux_device *, u16, u16, u16 );
201
202	static void TLan_EeSendStart( u16 );
203	static int TLan_EeSendByte( u16, u8, int );
204	static void TLan_EeReceiveByte( u16, u8 *, int );
205	static int TLan_EeReadByte( struct devicelinux_device , u8, u8 );
206
207
208	static TLanIntVectorFunc *TLanIntVector[TLAN_INT_NUMBER_OF_INTS8] = {
209	TLan_HandleInvalid,
210	TLan_HandleTxEOF,
211	TLan_HandleStatOverflow,
212	TLan_HandleRxEOF,
213	TLan_HandleDummy,
214	TLan_HandleTxEOC,
215	TLan_HandleStatusCheck,
216	TLan_HandleRxEOC
217	};
218
219	static inlineinline __attribute__((always_inline)) void
220	TLan_SetTimer( struct devicelinux_device *dev, u32 ticks, u32 type )
221	{
222	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
223
224	cli()__asm__ __volatile__ ("cli": : :"memory");
225	if ( priv->timer.function != NULL((void *) 0) ) {
226	return;
227	}
228	priv->timer.function = &TLan_Timer;
229	sti()__asm__ __volatile__ ("sti": : :"memory");
230
231	priv->timer.data = (unsigned long) dev;
232	priv->timer.expires = jiffies + ticks;
233	priv->timerSetAt = jiffies;
234	priv->timerType = type;
235	add_timer( &priv->timer );
236
237	} /* TLan_SetTimer */
238
239
240	/*****************************************************************************
241	******************************************************************************
242
243	ThunderLAN Driver Primary Functions
244
245	These functions are more or less common to all Linux network drivers.
246
247	******************************************************************************
248	*****************************************************************************/
249
250
251	#ifdef MODULE
252
253	/***************************************************************
254	* init_module
255	*
256	* Returns:
257	* 0 if module installed ok, non-zero if not.
258	* Parms:
259	* None
260	*
261	* This function begins the setup of the driver creating a
262	* pad buffer, finding all TLAN devices (matching
263	* TLanAdapterList entries), and creating and initializing a
264	* device structure for each adapter.
265	*
266	**************************************************************/
267
268	extern int init_module(void)
269	{
270	TLanPrivateInfo *priv;
271	u8 bus;
272	struct devicelinux_device *dev;
273	size_t dev_size;
274	u8 dfn;
275	u32 index;
276	int failed;
277	int found;
278	u32 io_base;
279	u8 irq;
280	u8 rev;
281
282	printk( "TLAN driver, v%d.%d, (C) 1997-8 Caldera, Inc.\n",
283	TLanVersionMajor,
284	TLanVersionMinor
285	);
286	TLanPadBuffer = (u8 *) kmalloclinux_kmalloc( TLAN_MIN_FRAME_SIZE64,
287	( GFP_KERNEL0x03 \| GFP_DMA0x80 )
288	);
289	if ( TLanPadBuffer == NULL((void *) 0) ) {
290	printk( "TLAN: Could not allocate memory for pad buffer.\n" );
291	return -ENOMEM12;
292	}
293
294	memset( TLanPadBuffer, 0, TLAN_MIN_FRAME_SIZE )(__builtin_constant_p(0) ? (__builtin_constant_p((64)) ? __constant_c_and_count_memset (((TLanPadBuffer)),((0x01010101UL(unsigned char)(0))),((64)) ) : __constant_c_memset(((TLanPadBuffer)),((0x01010101UL(unsigned char)(0))),((64)))) : (__builtin_constant_p((64)) ? __memset_generic ((((TLanPadBuffer))),(((0))),(((64)))) : __memset_generic(((TLanPadBuffer )),((0)),((64)))));
295
296	dev_size = sizeof(struct devicelinux_device) + sizeof(TLanPrivateInfo);
297
298	while ( ( found = TLan_PciProbe( &bus, &dfn, &irq, &rev, &io_base, &index ) ) ) {
299	dev = (struct devicelinux_device *) kmalloclinux_kmalloc( dev_size, GFP_KERNEL0x03 );
300	if ( dev == NULL((void *) 0) ) {
301	printk( "TLAN: Could not allocate memory for device.\n" );
302	continue;
303	}
304	memset( dev, 0, dev_size )(__builtin_constant_p(0) ? (__builtin_constant_p((dev_size)) ? __constant_c_and_count_memset(((dev)),((0x01010101UL(unsigned char)(0))),((dev_size))) : __constant_c_memset(((dev)),((0x01010101UL (unsigned char)(0))),((dev_size)))) : (__builtin_constant_p( (dev_size)) ? __memset_generic((((dev))),(((0))),(((dev_size) ))) : __memset_generic(((dev)),((0)),((dev_size)))));
305
306	dev->priv = priv = ( (void *) dev ) + sizeof(struct devicelinux_device);
307	dev->name = priv->devName;
308	strcpy( priv->devName, " " );
309	dev->base_addr = io_base;
310	dev->irq = irq;
311	dev->init = TLan_Init;
312
313	priv->adapter = &TLanAdapterList[index];
314	priv->adapterRev = rev;
315	priv->aui = aui;
316	if ( ( duplex != 1 ) && ( duplex != 2 ) ) {
317	duplex = 0;
318	}
319	priv->duplex = duplex;
320	if ( ( speed != 10 ) && ( speed != 100 ) ) {
321	speed = 0;
322	}
323	priv->speed = speed;
324	priv->sa_int = sa_int;
325	priv->debug = debug;
326
327	ether_setup( dev );
328
329	failed = register_netdev( dev );
330
331	if ( failed ) {
332	printk( "TLAN: Could not register device.\n" );
333	kfreelinux_kfree( dev );
334	} else {
335	priv->nextDevice = TLanDevices;
336	TLanDevices = dev;
337	TLanDevicesInstalled++;
338	printk("TLAN: %s irq=%2d io=%04x, %s, Rev. %d\n",
339	dev->name,
340	(int) dev->irq,
341	(int) dev->base_addr,
342	priv->adapter->deviceLabel,
343	priv->adapterRev );
344	}
345	}
346
347	/* printk( "TLAN: Found %d device(s).\n", TLanDevicesInstalled ); */
348
349	return ( ( TLanDevicesInstalled >= 0 ) ? 0 : -ENODEV19 );
350
351	} /* init_module */
352
353
354
355
356	/***************************************************************
357	* cleanup_module
358	*
359	* Returns:
360	* Nothing
361	* Parms:
362	* None
363	*
364	* Goes through the TLanDevices list and frees the device
365	* structs and memory associated with each device (lists
366	* and buffers). It also ureserves the IO port regions
367	* associated with this device.
368	*
369	**************************************************************/
370
371	extern void cleanup_module(void)
372	{
373	struct devicelinux_device *dev;
374	TLanPrivateInfo *priv;
375
376	while ( TLanDevicesInstalled ) {
377	dev = TLanDevices;
378	priv = (TLanPrivateInfo *) dev->priv;
379	if ( priv->dmaStorage ) {
380	kfreelinux_kfree( priv->dmaStorage );
381	}
382	release_region( dev->base_addr, 0x10 );
383	unregister_netdev( dev );
384	TLanDevices = priv->nextDevice;
385	kfreelinux_kfree( dev );
386	TLanDevicesInstalled--;
387	}
388	kfreelinux_kfree( TLanPadBuffer );
389
390	} /* cleanup_module */
391
392
393	#else /* MODULE */
394
395
396
397
398	/***************************************************************
399	* tlan_probe
400	*
401	* Returns:
402	* 0 on success, error code on error
403	* Parms:
404	* dev device struct to use if adapter is
405	* found.
406	*
407	* The name is lower case to fit in with all the rest of
408	* the netcard_probe names. This function looks for a/
409	* another TLan based adapter, setting it up with the
410	* provided device struct if one is found.
411	*
412	**************************************************************/
413
414	extern int tlan_probe( struct devicelinux_device *dev )
415	{
416	TLanPrivateInfo *priv;
417	static int pad_allocated = 0;
418	int found;
419	u8 bus, dfn, irq, rev;
420	u32 io_base, index;
421
422	found = TLan_PciProbe( &bus, &dfn, &irq, &rev, &io_base, &index );
423
424	if ( ! found ) {
425	return -ENODEV19;
426	}
427
428	dev->priv = kmalloclinux_kmalloc( sizeof(TLanPrivateInfo), GFP_KERNEL0x03 );
429
430	if ( dev->priv == NULL((void *) 0) ) {
431	printk( "TLAN: Could not allocate memory for device.\n" );
432	return -ENOMEM12;
433	}
434
435	memset( dev->priv, 0, sizeof(TLanPrivateInfo) )(__builtin_constant_p(0) ? (__builtin_constant_p((sizeof(TLanPrivateInfo ))) ? __constant_c_and_count_memset(((dev->priv)),((0x01010101UL (unsigned char)(0))),((sizeof(TLanPrivateInfo)))) : __constant_c_memset (((dev->priv)),((0x01010101UL(unsigned char)(0))),((sizeof (TLanPrivateInfo))))) : (__builtin_constant_p((sizeof(TLanPrivateInfo ))) ? __memset_generic((((dev->priv))),(((0))),(((sizeof(TLanPrivateInfo ))))) : __memset_generic(((dev->priv)),((0)),((sizeof(TLanPrivateInfo ))))));
436
437	if ( ! pad_allocated ) {
438	TLanPadBuffer = (u8 *) kmalloclinux_kmalloc( TLAN_MIN_FRAME_SIZE64,
439	// ( GFP_KERNEL \| GFP_DMA )
440	( GFP_KERNEL0x03 )
441	);
442	if ( TLanPadBuffer == NULL((void *) 0) ) {
443	printk( "TLAN: Could not allocate memory for padding.\n" );
444	kfreelinux_kfree( dev->priv );
445	return -ENOMEM12;
446	} else {
447	pad_allocated = 1;
448	memset( TLanPadBuffer, 0, TLAN_MIN_FRAME_SIZE )(__builtin_constant_p(0) ? (__builtin_constant_p((64)) ? __constant_c_and_count_memset (((TLanPadBuffer)),((0x01010101UL(unsigned char)(0))),((64)) ) : __constant_c_memset(((TLanPadBuffer)),((0x01010101UL(unsigned char)(0))),((64)))) : (__builtin_constant_p((64)) ? __memset_generic ((((TLanPadBuffer))),(((0))),(((64)))) : __memset_generic(((TLanPadBuffer )),((0)),((64)))));
449	}
450	}
451
452	priv = (TLanPrivateInfo *) dev->priv;
453
454	dev->name = priv->devName;
455	strcpy( priv->devName, " " );
456
457	dev = init_etherdev( dev, sizeof(TLanPrivateInfo) );
458
459	dev->base_addr = io_base;
460	dev->irq = irq;
461
462
463	priv->adapter = &TLanAdapterList[index];
464	priv->adapterRev = rev;
465	priv->aui = dev->mem_start & 0x01;
466	priv->duplex = ( ( dev->mem_start & 0x0C ) == 0x0C ) ? 0 : ( dev->mem_start & 0x0C ) >> 2;
467	priv->speed = ( ( dev->mem_start & 0x30 ) == 0x30 ) ? 0 : ( dev->mem_start & 0x30 ) >> 4;
468	if ( priv->speed == 0x1 ) {
469	priv->speed = TLAN_SPEED_1010;
470	} else if ( priv->speed == 0x2 ) {
471	priv->speed = TLAN_SPEED_100100;
472	}
473	priv->sa_int = dev->mem_start & 0x02;
474	priv->debug = dev->mem_end;
475
476
477	printk("TLAN %d.%d: %s irq=%2d io=%04x, %s, Rev. %d\n",
478	TLanVersionMajor,
479	TLanVersionMinor,
480	dev->name,
481	(int) irq,
482	io_base,
483	priv->adapter->deviceLabel,
484	priv->adapterRev );
485
486	TLan_Init( dev );
487
488	return 0;
489
490	} /* tlan_probe */
491
492
493	#endif /* MODULE */
494
495
496
497
498	/***************************************************************
499	* TLan_PciProbe
500	*
501	* Returns:
502	* 1 if another TLAN card was found, 0 if not.
503	* Parms:
504	* pci_bus The PCI bus the card was found
505	* on.
506	* pci_dfn The PCI whatever the card was
507	* found at.
508	* pci_irq The IRQ of the found adapter.
509	* pci_rev The revision of the adapter.
510	* pci_io_base The first IO port used by the
511	* adapter.
512	* dl_ix The index in the device list
513	* of the adapter.
514	*
515	* This function searches for an adapter with PCI vendor
516	* and device IDs matching those in the TLanAdapterList.
517	* The function 'remembers' the last device it found,
518	* and so finds a new device (if anymore are to be found)
519	* each time the function is called. It then looks up
520	* pertinent PCI info and returns it to the caller.
521	*
522	**************************************************************/
523
524	int TLan_PciProbe( u8 pci_bus, u8 pci_dfn, u8 pci_irq, u8 pci_rev, u32 pci_io_base, u32 dl_ix )
525	{
526	static int dl_index = 0;
527	static int pci_index = 0;
528
529	int not_found;
530	u8 pci_latency;
531	u16 pci_command;
532	int reg;
533
534
535	if ( ! pcibios_present() ) {
536	printk( "TLAN: PCI Bios not present.\n" );
537	return 0;
538	}
539
540	for (; TLanAdapterList[dl_index].vendorId != 0; dl_index++) {
541
542	not_found = pcibios_find_device(
543	TLanAdapterList[dl_index].vendorId,
544	TLanAdapterList[dl_index].deviceId,
545	pci_index,
546	pci_bus,
547	pci_dfn
548	);
549
550	if ( ! not_found ) {
551
552	TLAN_DBG(if (debug&0x0001) printk( "TLAN: found: Vendor Id = 0x%hx, Device Id = 0x%hx\n" , TLanAdapterList[dl_index].vendorId, TLanAdapterList[dl_index ].deviceId );
553	TLAN_DEBUG_GNRL,if (debug&0x0001) printk( "TLAN: found: Vendor Id = 0x%hx, Device Id = 0x%hx\n" , TLanAdapterList[dl_index].vendorId, TLanAdapterList[dl_index ].deviceId );
554	"TLAN: found: Vendor Id = 0x%hx, Device Id = 0x%hx\n",if (debug&0x0001) printk( "TLAN: found: Vendor Id = 0x%hx, Device Id = 0x%hx\n" , TLanAdapterList[dl_index].vendorId, TLanAdapterList[dl_index ].deviceId );
555	TLanAdapterList[dl_index].vendorId,if (debug&0x0001) printk( "TLAN: found: Vendor Id = 0x%hx, Device Id = 0x%hx\n" , TLanAdapterList[dl_index].vendorId, TLanAdapterList[dl_index ].deviceId );
556	TLanAdapterList[dl_index].deviceIdif (debug&0x0001) printk( "TLAN: found: Vendor Id = 0x%hx, Device Id = 0x%hx\n" , TLanAdapterList[dl_index].vendorId, TLanAdapterList[dl_index ].deviceId );
557	)if (debug&0x0001) printk( "TLAN: found: Vendor Id = 0x%hx, Device Id = 0x%hx\n" , TLanAdapterList[dl_index].vendorId, TLanAdapterList[dl_index ].deviceId );;
558
559	pcibios_read_config_byte ( pci_bus, pci_dfn, PCI_REVISION_ID0x08, pci_rev);
560	pcibios_read_config_byte ( pci_bus, pci_dfn, PCI_INTERRUPT_LINE0x3c, pci_irq);
561	pcibios_read_config_word ( pci_bus, pci_dfn, PCI_COMMAND0x04, &pci_command);
562	pcibios_read_config_dword( pci_bus, pci_dfn, PCI_BASE_ADDRESS_00x10, pci_io_base);
563	pcibios_read_config_byte ( pci_bus, pci_dfn, PCI_LATENCY_TIMER0x0d, &pci_latency);
564
565	if (pci_latency < 0x10) {
566	pcibios_write_config_byte( pci_bus, pci_dfn, PCI_LATENCY_TIMER0x0d, 0xff);
567	TLAN_DBG( TLAN_DEBUG_GNRL, "TLAN: Setting latency timer to max.\n")if (debug&0x0001) printk( "TLAN: Setting latency timer to max.\n" );;
568	}
569
570	for ( reg = PCI_BASE_ADDRESS_00x10; reg <= PCI_BASE_ADDRESS_50x24; reg +=4 ) {
571	pcibios_read_config_dword( pci_bus, pci_dfn, reg, pci_io_base);
572	if ((pci_command & PCI_COMMAND_IO0x1) && (*pci_io_base & 0x3)) {
573	*pci_io_base &= PCI_BASE_ADDRESS_IO_MASK(~0x03);
574	TLAN_DBG( TLAN_DEBUG_GNRL, "TLAN: IO mapping is available at %x.\n", pci_io_base)if (debug&0x0001) printk( "TLAN: IO mapping is available at %x.\n" , pci_io_base );;
575	break;
576	} else {
577	*pci_io_base = 0;
578	}
579	}
580
581	if ( *pci_io_base == 0 )
582	printk("TLAN: IO mapping not available, ignoring device.\n");
583
584	if ( ! ( pci_command & PCI_COMMAND_MASTER0x4 ) ) {
585	pcibios_write_config_word ( pci_bus, pci_dfn, PCI_COMMAND0x04, pci_command \| PCI_COMMAND_MASTER0x4 );
586	printk( "TLAN: Activating PCI bus mastering for this device.\n" );
587	}
588
589	pci_index++;
590
591	if ( *pci_io_base ) {
592	*dl_ix = dl_index;
593	return 1;
594	}
595
596	} else {
597	pci_index = 0;
598	}
599	}
600
601	return 0;
602
603	} /* TLan_PciProbe */
604
605
606
607
608	/***************************************************************
609	* TLan_Init
610	*
611	* Returns:
612	* 0 on success, error code otherwise.
613	* Parms:
614	* dev The structure of the device to be
615	* init'ed.
616	*
617	* This function completes the initialization of the
618	* device structure and driver. It reserves the IO
619	* addresses, allocates memory for the lists and bounce
620	* buffers, retrieves the MAC address from the eeprom
621	* and assignes the device's methods.
622	*
623	**************************************************************/
624
625	int TLan_Init( struct devicelinux_device *dev )
626	{
627	int dma_size;
628	int err;
629	int i;
630	TLanPrivateInfo *priv;
631
632	priv = (TLanPrivateInfo *) dev->priv;
633
634	err = check_region( dev->base_addr, 0x10 );
635	if ( err ) {
636	printk( "TLAN: %s: Io port region 0x%lx size 0x%x in use.\n",
637	dev->name,
638	dev->base_addr,
639	0x10 );
640	return -EIO5;
641	}
642	request_region( dev->base_addr, 0x10, TLanSignature );
643
644	if ( bbuf ) {
645	dma_size = ( TLAN_NUM_RX_LISTS4 + TLAN_NUM_TX_LISTS8 )
646	* ( sizeof(TLanList) + TLAN_MAX_FRAME_SIZE1600 );
647	} else {
648	dma_size = ( TLAN_NUM_RX_LISTS4 + TLAN_NUM_TX_LISTS8 )
649	* ( sizeof(TLanList) );
650	}
651
652	priv->dmaStorage = kmalloclinux_kmalloc( dma_size, GFP_KERNEL0x03 \| GFP_DMA0x80 );
653	if ( priv->dmaStorage == NULL((void *) 0) ) {
654	printk( "TLAN: Could not allocate lists and buffers for %s.\n",
655	dev->name );
656	return -ENOMEM12;
657	}
658	memset( priv->dmaStorage, 0, dma_size )(__builtin_constant_p(0) ? (__builtin_constant_p((dma_size)) ? __constant_c_and_count_memset(((priv->dmaStorage)),((0x01010101UL (unsigned char)(0))),((dma_size))) : __constant_c_memset(((priv ->dmaStorage)),((0x01010101UL(unsigned char)(0))),((dma_size )))) : (__builtin_constant_p((dma_size)) ? __memset_generic(( ((priv->dmaStorage))),(((0))),(((dma_size)))) : __memset_generic (((priv->dmaStorage)),((0)),((dma_size)))));
659	priv->rxList = (TLanList *)
660	( ( ( (u32) priv->dmaStorage ) + 7 ) & 0xFFFFFFF8 );
661	priv->txList = priv->rxList + TLAN_NUM_RX_LISTS4;
662
663	if ( bbuf ) {
664	priv->rxBuffer = (u8 *) ( priv->txList + TLAN_NUM_TX_LISTS8 );
665	priv->txBuffer = priv->rxBuffer
666	+ ( TLAN_NUM_RX_LISTS4 * TLAN_MAX_FRAME_SIZE1600 );
667	}
668
669	err = 0;
670	for ( i = 0; i < 6 ; i++ )
671	err \|= TLan_EeReadByte( dev,
672	(u8) priv->adapter->addrOfs + i,
673	(u8 *) &dev->dev_addr[i] );
674	if ( err ) {
675	printk( "TLAN: %s: Error reading MAC from eeprom: %d\n",
676	dev->name,
677	err );
678	}
679
680	dev->addr_len = 6;
681
682	dev->open = &TLan_Open;
683	dev->hard_start_xmit = &TLan_StartTx;
684	dev->stop = &TLan_Close;
685	dev->get_stats = &TLan_GetStats;
686	dev->set_multicast_list = &TLan_SetMulticastList;
687
688
689	return 0;
690
691	} /* TLan_Init */
692
693
694
695
696	/***************************************************************
697	* TLan_Open
698	*
699	* Returns:
700	* 0 on success, error code otherwise.
701	* Parms:
702	* dev Structure of device to be opened.
703	*
704	* This routine puts the driver and TLAN adapter in a
705	* state where it is ready to send and receive packets.
706	* It allocates the IRQ, resets and brings the adapter
707	* out of reset, and allows interrupts. It also delays
708	* the startup for autonegotiation or sends a Rx GO
709	* command to the adapter, as appropriate.
710	*
711	**************************************************************/
712
713	int TLan_Open( struct devicelinux_device *dev )
714	{
715	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
716	int err;
717
718	priv->tlanRev = TLan_DioRead8( dev->base_addr, TLAN_DEF_REVISION0x0C );
719	if ( priv->sa_int ) {
720	TLAN_DBG( TLAN_DEBUG_GNRL, "TLAN: Using SA_INTERRUPT\n" )if (debug&0x0001) printk( "TLAN: Using SA_INTERRUPT\n" ) ;;
721	err = request_irq( dev->irq, TLan_HandleInterrupt, SA_SHIRQ0x04000000 \| SA_INTERRUPT0x20000000, TLanSignature, dev );
722	} else {
723	err = request_irq( dev->irq, TLan_HandleInterrupt, SA_SHIRQ0x04000000, TLanSignature, dev );
724	}
725	if ( err ) {
726	printk( "TLAN: Cannot open %s because IRQ %d is already in use.\n", dev->name, dev->irq );
727	return -EAGAIN11;
728	}
729
730	MOD_INC_USE_COUNTdo { } while (0);
731
732	dev->tbusy = 0;
733	dev->interrupt = 0;
734	dev->start = 1;
735
736	/* NOTE: It might not be necessary to read the stats before a
737	reset if you don't care what the values are.
738	*/
739	TLan_ResetLists( dev );
740	TLan_ReadAndClearStats( dev, TLAN_IGNORE0 );
741	TLan_ResetAdapter( dev );
742
743	TLAN_DBG( TLAN_DEBUG_GNRL, "TLAN: %s: Opened. TLAN Chip Rev: %x\n", dev->name, priv->tlanRev )if (debug&0x0001) printk( "TLAN: %s: Opened. TLAN Chip Rev: %x\n" , dev->name, priv->tlanRev );;
744
745	return 0;
746
747	} /* TLan_Open */
748
749
750
751
752	/***************************************************************
753	* TLan_StartTx
754	*
755	* Returns:
756	* 0 on success, non-zero on failure.
757	* Parms:
758	* skb A pointer to the sk_buff containing the
759	* frame to be sent.
760	* dev The device to send the data on.
761	*
762	* This function adds a frame to the Tx list to be sent
763	* ASAP. First it verifies that the adapter is ready and
764	* there is room in the queue. Then it sets up the next
765	* available list, copies the frame to the corresponding
766	* buffer. If the adapter Tx channel is idle, it gives
767	* the adapter a Tx Go command on the list, otherwise it
768	* sets the forward address of the previous list to point
769	* to this one. Then it frees the sk_buff.
770	*
771	**************************************************************/
772
773	int TLan_StartTx( struct sk_buff skb, struct devicelinux_device dev )
774	{
775	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
776	TLanList *tail_list;
777	u8 *tail_buffer;
778	int pad;
779
780	if ( ! priv->phyOnline ) {
781	TLAN_DBG( TLAN_DEBUG_TX, "TLAN TRANSMIT: %s PHY is not ready\n", dev->name )if (debug&0x0002) printk( "TLAN TRANSMIT: %s PHY is not ready\n" , dev->name );;
782	dev_kfree_skb( skb, FREE_WRITE0 );
783	return 0;
784	}
785
786	tail_list = priv->txList + priv->txTail;
787
788	if ( tail_list->cStat != TLAN_CSTAT_UNUSED0x8000 ) {
789	TLAN_DBG( TLAN_DEBUG_TX, "TLAN TRANSMIT: %s is busy (Head=%d Tail=%d)\n", dev->name, priv->txHead, priv->txTail )if (debug&0x0002) printk( "TLAN TRANSMIT: %s is busy (Head=%d Tail=%d)\n" , dev->name, priv->txHead, priv->txTail );;
790	dev->tbusy = 1;
791	priv->txBusyCount++;
792	return 1;
793	}
794
795	tail_list->forward = 0;
796
797	if ( bbuf ) {
798	tail_buffer = priv->txBuffer + ( priv->txTail * TLAN_MAX_FRAME_SIZE1600 );
799	memcpy( tail_buffer, skb->data, skb->len )(__builtin_constant_p(skb->len) ? __constant_memcpy((tail_buffer ),(skb->data),(skb->len)) : __memcpy((tail_buffer),(skb ->data),(skb->len)));
800	} else {
801	tail_list->buffer[0].address = virt_to_busvirt_to_phys( skb->data );
802	tail_list->buffer[9].address = (u32) skb;
803	}
804
805	pad = TLAN_MIN_FRAME_SIZE64 - skb->len;
806
807	if ( pad > 0 ) {
808	tail_list->frameSize = (u16) skb->len + pad;
809	tail_list->buffer[0].count = (u32) skb->len;
810	tail_list->buffer[1].count = TLAN_LAST_BUFFER0x80000000 \| (u32) pad;
811	tail_list->buffer[1].address = virt_to_busvirt_to_phys( TLanPadBuffer );
812	} else {
813	tail_list->frameSize = (u16) skb->len;
814	tail_list->buffer[0].count = TLAN_LAST_BUFFER0x80000000 \| (u32) skb->len;
815	tail_list->buffer[1].count = 0;
816	tail_list->buffer[1].address = 0;
817	}
818
819	cli()__asm__ __volatile__ ("cli": : :"memory");
820	tail_list->cStat = TLAN_CSTAT_READY0x3000;
821	if ( ! priv->txInProgress ) {
822	priv->txInProgress = 1;
823	outw( 0x4, dev->base_addr + TLAN_HOST_INT )((__builtin_constant_p((dev->base_addr + 0x0A)) && (dev->base_addr + 0x0A) < 256) ? __outwc((0x4),(dev-> base_addr + 0x0A)) : __outw((0x4),(dev->base_addr + 0x0A)) );
824	TLAN_DBG( TLAN_DEBUG_TX, "TLAN TRANSMIT: Starting TX on buffer %d\n", priv->txTail )if (debug&0x0002) printk( "TLAN TRANSMIT: Starting TX on buffer %d\n" , priv->txTail );;
825	outl( virt_to_bus( tail_list ), dev->base_addr + TLAN_CH_PARM )((__builtin_constant_p((dev->base_addr + 0x04)) && (dev->base_addr + 0x04) < 256) ? __outlc((virt_to_phys ( tail_list )),(dev->base_addr + 0x04)) : __outl((virt_to_phys ( tail_list )),(dev->base_addr + 0x04)));
826	outl( TLAN_HC_GO \| TLAN_HC_ACK, dev->base_addr + TLAN_HOST_CMD )((__builtin_constant_p((dev->base_addr + 0x00)) && (dev->base_addr + 0x00) < 256) ? __outlc((0x80000000 \| 0x20000000),(dev->base_addr + 0x00)) : __outl((0x80000000 \| 0x20000000),(dev->base_addr + 0x00)));
827	} else {
828	TLAN_DBG( TLAN_DEBUG_TX, "TLAN TRANSMIT: Adding buffer %d to TX channel\n", priv->txTail )if (debug&0x0002) printk( "TLAN TRANSMIT: Adding buffer %d to TX channel\n" , priv->txTail );;
829	if ( priv->txTail == 0 ) {
830	( priv->txList + ( TLAN_NUM_TX_LISTS8 - 1 ) )->forward = virt_to_busvirt_to_phys( tail_list );
831	} else {
832	( priv->txList + ( priv->txTail - 1 ) )->forward = virt_to_busvirt_to_phys( tail_list );
833	}
834	}
835	sti()__asm__ __volatile__ ("sti": : :"memory");
836
837	CIRC_INC( priv->txTail, TLAN_NUM_TX_LISTS )if ( ++priv->txTail >= 8 ) priv->txTail = 0;
838
839	if ( bbuf ) {
840	dev_kfree_skb( skb, FREE_WRITE0 );
841	}
842
843	dev->trans_start = jiffies;
844	return 0;
845
846	} /* TLan_StartTx */
847
848
849
850
851	/***************************************************************
852	* TLan_HandleInterrupt
853	*
854	* Returns:
855	* Nothing
856	* Parms:
857	* irq The line on which the interrupt
858	* occurred.
859	* dev_id A pointer to the device assigned to
860	* this irq line.
861	* regs ???
862	*
863	* This function handles an interrupt generated by its
864	* assigned TLAN adapter. The function deactivates
865	* interrupts on its adapter, records the type of
866	* interrupt, executes the appropriate subhandler, and
867	* acknowdges the interrupt to the adapter (thus
868	* re-enabling adapter interrupts.
869	*
870	**************************************************************/
871
872	void TLan_HandleInterrupt(int irq, void dev_id, struct pt_regs regs)
873	{
874	u32 ack;
875	struct devicelinux_device *dev;
876	u32 host_cmd;
877	u16 host_int;
878	int type;
879
880	dev = (struct devicelinux_device *) dev_id;
881
882	cli()__asm__ __volatile__ ("cli": : :"memory");
883	if ( dev->interrupt ) {
884	printk( "TLAN: Re-entering interrupt handler for %s: %d.\n" , dev->name, dev->interrupt );
885	}
886	dev->interrupt++;
887
888	host_int = inw( dev->base_addr + TLAN_HOST_INT )((__builtin_constant_p((dev->base_addr + 0x0A)) && (dev->base_addr + 0x0A) < 256) ? __inwc(dev->base_addr + 0x0A) : __inw(dev->base_addr + 0x0A));
889	outw( host_int, dev->base_addr + TLAN_HOST_INT )((__builtin_constant_p((dev->base_addr + 0x0A)) && (dev->base_addr + 0x0A) < 256) ? __outwc((host_int),(dev ->base_addr + 0x0A)) : __outw((host_int),(dev->base_addr + 0x0A)));
890
891	type = ( host_int & TLAN_HI_IT_MASK0x001C ) >> 2;
892
893	ack = TLanIntVector[type]( dev, host_int );
894
895	if ( ack ) {
896	host_cmd = TLAN_HC_ACK0x20000000 \| ack \| ( type << 18 );
897	outl( host_cmd, dev->base_addr + TLAN_HOST_CMD )((__builtin_constant_p((dev->base_addr + 0x00)) && (dev->base_addr + 0x00) < 256) ? __outlc((host_cmd),(dev ->base_addr + 0x00)) : __outl((host_cmd),(dev->base_addr + 0x00)));
898	}
899
900	dev->interrupt--;
901	sti()__asm__ __volatile__ ("sti": : :"memory");
902
903	} /* TLan_HandleInterrupts */
904
905
906
907
908	/***************************************************************
909	* TLan_Close
910	*
911	* Returns:
912	* An error code.
913	* Parms:
914	* dev The device structure of the device to
915	* close.
916	*
917	* This function shuts down the adapter. It records any
918	* stats, puts the adapter into reset state, deactivates
919	* its time as needed, and frees the irq it is using.
920	*
921	**************************************************************/
922
923	int TLan_Close(struct devicelinux_device *dev)
924	{
925	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
926
927	dev->start = 0;
928	dev->tbusy = 1;
929
930	TLan_ReadAndClearStats( dev, TLAN_RECORD1 );
931	outl( TLAN_HC_AD_RST, dev->base_addr + TLAN_HOST_CMD )((__builtin_constant_p((dev->base_addr + 0x00)) && (dev->base_addr + 0x00) < 256) ? __outlc((0x00008000), (dev->base_addr + 0x00)) : __outl((0x00008000),(dev->base_addr + 0x00)));
932	if ( priv->timer.function != NULL((void *) 0) )
933	del_timer( &priv->timer );
934	free_irq( dev->irq, dev );
935	TLan_FreeLists( dev );
936	TLAN_DBG( TLAN_DEBUG_GNRL, "TLAN: Device %s closed.\n", dev->name )if (debug&0x0001) printk( "TLAN: Device %s closed.\n", dev ->name );;
937
938	MOD_DEC_USE_COUNTdo { } while (0);
939
940	return 0;
941
942	} /* TLan_Close */
943
944
945
946
947	/***************************************************************
948	* TLan_GetStats
949	*
950	* Returns:
951	* A pointer to the device's statistics structure.
952	* Parms:
953	* dev The device structure to return the
954	* stats for.
955	*
956	* This function updates the devices statistics by reading
957	* the TLAN chip's onboard registers. Then it returns the
958	* address of the statistics structure.
959	*
960	**************************************************************/
961
962	struct net_device_statsenet_statistics TLan_GetStats( struct devicelinux_device dev )
963	{
964	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
965	int i;
966
967	/* Should only read stats if open ? */
968	TLan_ReadAndClearStats( dev, TLAN_RECORD1 );
969
970	TLAN_DBG( TLAN_DEBUG_RX, "TLAN RECEIVE: %s EOC count = %d\n", dev->name, priv->rxEocCount )if (debug&0x0004) printk( "TLAN RECEIVE: %s EOC count = %d\n" , dev->name, priv->rxEocCount );;
971	TLAN_DBG( TLAN_DEBUG_TX, "TLAN TRANSMIT: %s Busy count = %d\n", dev->name, priv->txBusyCount )if (debug&0x0002) printk( "TLAN TRANSMIT: %s Busy count = %d\n" , dev->name, priv->txBusyCount );;
972	if ( debug & TLAN_DEBUG_GNRL0x0001 ) {
973	TLan_PrintDio( dev->base_addr );
974	TLan_PhyPrint( dev );
975	}
976	if ( debug & TLAN_DEBUG_LIST0x0008 ) {
977	for ( i = 0; i < TLAN_NUM_RX_LISTS4; i++ )
978	TLan_PrintList( priv->rxList + i, "RX", i );
979	for ( i = 0; i < TLAN_NUM_TX_LISTS8; i++ )
980	TLan_PrintList( priv->txList + i, "TX", i );
981	}
982
983	return ( &( (TLanPrivateInfo *) dev->priv )->stats );
984
985	} /* TLan_GetStats */
986
987
988
989
990	/***************************************************************
991	* TLan_SetMulticastList
992	*
993	* Returns:
994	* Nothing
995	* Parms:
996	* dev The device structure to set the
997	* multicast list for.
998	*
999	* This function sets the TLAN adaptor to various receive
1000	* modes. If the IFF_PROMISC flag is set, promiscuous
1001	* mode is acitviated. Otherwise, promiscuous mode is
1002	* turned off. If the IFF_ALLMULTI flag is set, then
1003	* the hash table is set to receive all group addresses.
1004	* Otherwise, the first three multicast addresses are
1005	* stored in AREG_1-3, and the rest are selected via the
1006	* hash table, as necessary.
1007	*
1008	**************************************************************/
1009
1010	void TLan_SetMulticastList( struct devicelinux_device *dev )
1011	{
1012	struct dev_mc_list *dmi = dev->mc_list;
1013	u32 hash1 = 0;
1014	u32 hash2 = 0;
1015	int i;
1016	u32 offset;
1017	u8 tmp;
1018
1019	if ( dev->flags & IFF_PROMISC0x100 ) {
1020	tmp = TLan_DioRead8( dev->base_addr, TLAN_NET_CMD0x00 );
1021	TLan_DioWrite8( dev->base_addr, TLAN_NET_CMD0x00, tmp \| TLAN_NET_CMD_CAF0x10 );
1022	} else {
1023	tmp = TLan_DioRead8( dev->base_addr, TLAN_NET_CMD0x00 );
1024	TLan_DioWrite8( dev->base_addr, TLAN_NET_CMD0x00, tmp & ~TLAN_NET_CMD_CAF0x10 );
1025	if ( dev->flags & IFF_ALLMULTI0x200 ) {
1026	for ( i = 0; i < 3; i++ )
1027	TLan_SetMac( dev, i + 1, NULL((void *) 0) );
1028	TLan_DioWrite32( dev->base_addr, TLAN_HASH_10x28, 0xFFFFFFFF );
1029	TLan_DioWrite32( dev->base_addr, TLAN_HASH_20x2C, 0xFFFFFFFF );
1030	} else {
1031	for ( i = 0; i < dev->mc_count; i++ ) {
1032	if ( i < 3 ) {
1033	TLan_SetMac( dev, i + 1, (char *) &dmi->dmi_addr );
1034	} else {
1035	offset = TLan_HashFunc( (u8 *) &dmi->dmi_addr );
1036	if ( offset < 32 )
1037	hash1 \|= ( 1 << offset );
1038	else
1039	hash2 \|= ( 1 << ( offset - 32 ) );
1040	}
1041	dmi = dmi->next;
1042	}
1043	for ( ; i < 3; i++ )
1044	TLan_SetMac( dev, i + 1, NULL((void *) 0) );
1045	TLan_DioWrite32( dev->base_addr, TLAN_HASH_10x28, hash1 );
1046	TLan_DioWrite32( dev->base_addr, TLAN_HASH_20x2C, hash2 );
1047	}
1048	}
1049
1050	} /* TLan_SetMulticastList */
1051
1052
1053
1054	/*****************************************************************************
1055	******************************************************************************
1056
1057	ThunderLAN Driver Interrupt Vectors and Table
1058
1059	Please see Chap. 4, "Interrupt Handling" of the "ThunderLAN
1060	Programmer's Guide" for more informations on handling interrupts
1061	generated by TLAN based adapters.
1062
1063	******************************************************************************
1064	*****************************************************************************/
1065
1066
1067	/***************************************************************
1068	* TLan_HandleInvalid
1069	*
1070	* Returns:
1071	* 0
1072	* Parms:
1073	* dev Device assigned the IRQ that was
1074	* raised.
1075	* host_int The contents of the HOST_INT
1076	* port.
1077	*
1078	* This function handles invalid interrupts. This should
1079	* never happen unless some other adapter is trying to use
1080	* the IRQ line assigned to the device.
1081	*
1082	**************************************************************/
1083
1084	u32 TLan_HandleInvalid( struct devicelinux_device *dev, u16 host_int )
1085	{
1086	host_int = 0;
1087	/* printk( "TLAN: Invalid interrupt on %s.\n", dev->name ); */
1088	return 0;
1089
1090	} /* TLan_HandleInvalid */
1091
1092
1093
1094
1095	/***************************************************************
1096	* TLan_HandleTxEOF
1097	*
1098	* Returns:
1099	* 1
1100	* Parms:
1101	* dev Device assigned the IRQ that was
1102	* raised.
1103	* host_int The contents of the HOST_INT
1104	* port.
1105	*
1106	* This function handles Tx EOF interrupts which are raised
1107	* by the adapter when it has completed sending the
1108	* contents of a buffer. If detemines which list/buffer
1109	* was completed and resets it. If the buffer was the last
1110	* in the channel (EOC), then the function checks to see if
1111	* another buffer is ready to send, and if so, sends a Tx
1112	* Go command. Finally, the driver activates/continues the
1113	* activity LED.
1114	*
1115	**************************************************************/
1116
1117	u32 TLan_HandleTxEOF( struct devicelinux_device *dev, u16 host_int )
1118	{
1119	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
1120	int eoc = 0;
1121	TLanList *head_list;
1122	u32 ack = 1;
1123
1124	TLAN_DBG( TLAN_DEBUG_TX, "TLAN TRANSMIT: Handling TX EOF (Head=%d Tail=%d)\n", priv->txHead, priv->txTail )if (debug&0x0002) printk( "TLAN TRANSMIT: Handling TX EOF (Head=%d Tail=%d)\n" , priv->txHead, priv->txTail );;
1125	host_int = 0;
1126	head_list = priv->txList + priv->txHead;
1127
1128	if ( ! bbuf ) {
1129	dev_kfree_skb( (struct sk_buff *) head_list->buffer[9].address, FREE_WRITE0 );
1130	head_list->buffer[9].address = 0;
1131	}
1132
1133	if ( head_list->cStat & TLAN_CSTAT_EOC0x0800 )
1134	eoc = 1;
1135	if (!(head_list->cStat & TLAN_CSTAT_FRM_CMP0x4000)) {
1136	printk( "TLAN: Received interrupt for uncompleted TX frame.\n" );
1137	}
1138
1139	#if LINUX_KERNEL_VERSION > 0x20100
1140	priv->stats->tx_bytes += head_list->frameSize;
1141	#endif
1142
1143	head_list->cStat = TLAN_CSTAT_UNUSED0x8000;
1144	dev->tbusy = 0;
1145	CIRC_INC( priv->txHead, TLAN_NUM_TX_LISTS )if ( ++priv->txHead >= 8 ) priv->txHead = 0;
1146	if ( eoc ) {
1147	TLAN_DBG( TLAN_DEBUG_TX, "TLAN TRANSMIT: Handling TX EOC (Head=%d Tail=%d)\n", priv->txHead, priv->txTail )if (debug&0x0002) printk( "TLAN TRANSMIT: Handling TX EOC (Head=%d Tail=%d)\n" , priv->txHead, priv->txTail );;
1148	head_list = priv->txList + priv->txHead;
1149	if ( ( head_list->cStat & TLAN_CSTAT_READY0x3000 ) == TLAN_CSTAT_READY0x3000 ) {
1150	outl( virt_to_bus( head_list ), dev->base_addr + TLAN_CH_PARM )((__builtin_constant_p((dev->base_addr + 0x04)) && (dev->base_addr + 0x04) < 256) ? __outlc((virt_to_phys ( head_list )),(dev->base_addr + 0x04)) : __outl((virt_to_phys ( head_list )),(dev->base_addr + 0x04)));
1151	ack \|= TLAN_HC_GO0x80000000;
1152	} else {
1153	priv->txInProgress = 0;
1154	}
1155	}
1156
1157	if ( priv->adapter->flags & TLAN_ADAPTER_ACTIVITY_LED0x00000008 ) {
1158	TLan_DioWrite8( dev->base_addr, TLAN_LED_REG0x44, TLAN_LED_LINK0x01 \| TLAN_LED_ACT0x10 );
1159	if ( priv->timer.function == NULL((void *) 0) ) {
1160	TLan_SetTimer( dev, TLAN_TIMER_ACT_DELAY10, TLAN_TIMER_ACTIVITY2 );
1161	} else if ( priv->timerType == TLAN_TIMER_ACTIVITY2 ) {
1162	priv->timerSetAt = jiffies;
1163	}
1164	}
1165
1166	return ack;
1167
1168	} /* TLan_HandleTxEOF */
1169
1170
1171
1172
1173	/***************************************************************
1174	* TLan_HandleStatOverflow
1175	*
1176	* Returns:
1177	* 1
1178	* Parms:
1179	* dev Device assigned the IRQ that was
1180	* raised.
1181	* host_int The contents of the HOST_INT
1182	* port.
1183	*
1184	* This function handles the Statistics Overflow interrupt
1185	* which means that one or more of the TLAN statistics
1186	* registers has reached 1/2 capacity and needs to be read.
1187	*
1188	**************************************************************/
1189
1190	u32 TLan_HandleStatOverflow( struct devicelinux_device *dev, u16 host_int )
1191	{
1192	host_int = 0;
1193	TLan_ReadAndClearStats( dev, TLAN_RECORD1 );
1194
1195	return 1;
1196
1197	} /* TLan_HandleStatOverflow */
1198
1199
1200
1201
1202	/***************************************************************
1203	* TLan_HandleRxEOF
1204	*
1205	* Returns:
1206	* 1
1207	* Parms:
1208	* dev Device assigned the IRQ that was
1209	* raised.
1210	* host_int The contents of the HOST_INT
1211	* port.
1212	*
1213	* This function handles the Rx EOF interrupt which
1214	* indicates a frame has been received by the adapter from
1215	* the net and the frame has been transferred to memory.
1216	* The function determines the bounce buffer the frame has
1217	* been loaded into, creates a new sk_buff big enough to
1218	* hold the frame, and sends it to protocol stack. It
1219	* then resets the used buffer and appends it to the end
1220	* of the list. If the frame was the last in the Rx
1221	* channel (EOC), the function restarts the receive channel
1222	* by sending an Rx Go command to the adapter. Then it
1223	* activates/continues the activity LED.
1224	*
1225	**************************************************************/
1226
1227	u32 TLan_HandleRxEOF( struct devicelinux_device *dev, u16 host_int )
1228	{
1229	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
1230	u32 ack = 1;
1231	int eoc = 0;
1232	u8 *head_buffer;
1233	TLanList *head_list;
1234	struct sk_buff *skb;
1235	TLanList *tail_list;
1236	void *t;
1237
1238	TLAN_DBG( TLAN_DEBUG_RX, "TLAN RECEIVE: Handling RX EOF (Head=%d Tail=%d)\n", priv->rxHead, priv->rxTail )if (debug&0x0004) printk( "TLAN RECEIVE: Handling RX EOF (Head=%d Tail=%d)\n" , priv->rxHead, priv->rxTail );;
1239	host_int = 0;
1240	head_list = priv->rxList + priv->rxHead;
1241	tail_list = priv->rxList + priv->rxTail;
1242
1243	if ( head_list->cStat & TLAN_CSTAT_EOC0x0800 ) {
1244	eoc = 1;
1245	}
1246
1247	if (!(head_list->cStat & TLAN_CSTAT_FRM_CMP0x4000)) {
1248	printk( "TLAN: Received interrupt for uncompleted RX frame.\n" );
1249	} else if ( bbuf ) {
1250	skb = dev_alloc_skb( head_list->frameSize + 7 );
1251	if ( skb == NULL((void *) 0) ) {
1252	printk( "TLAN: Couldn't allocate memory for received data.\n" );
1253	} else {
1254	head_buffer = priv->rxBuffer + ( priv->rxHead * TLAN_MAX_FRAME_SIZE1600 );
1255	skb->dev = dev;
1256	skb_reserve( skb, 2 );
1257	t = (void *) skb_put( skb, head_list->frameSize );
1258
1259	#if LINUX_KERNEL_VERSION > 0x20100
1260	priv->stats->rx_bytes += head_list->frameSize;
1261	#endif
1262
1263	memcpy( t, head_buffer, head_list->frameSize )(__builtin_constant_p(head_list->frameSize) ? __constant_memcpy ((t),(head_buffer),(head_list->frameSize)) : __memcpy((t), (head_buffer),(head_list->frameSize)));
1264	skb->protocol = eth_type_trans( skb, dev )((unsigned short)0);
1265	netif_rx( skb );
1266	}
1267	} else {
1268	skb = (struct sk_buff *) head_list->buffer[9].address;
1269	head_list->buffer[9].address = 0;
1270	skb_trim( skb, head_list->frameSize );
1271
1272	#if LINUX_KERNEL_VERSION > 0x20100
1273	priv->stats->rx_bytes += head_list->frameSize;
1274	#endif
1275
1276	skb->protocol = eth_type_trans( skb, dev )((unsigned short)0);
1277	netif_rx( skb );
1278
1279	skb = dev_alloc_skb( TLAN_MAX_FRAME_SIZE1600 + 7 );
1280	if ( skb == NULL((void *) 0) ) {
1281	printk( "TLAN: Couldn't allocate memory for received data.\n" );
1282	/* If this ever happened it would be a problem */
1283	} else {
1284	skb->dev = dev;
1285	skb_reserve( skb, 2 );
1286	t = (void *) skb_put( skb, TLAN_MAX_FRAME_SIZE1600 );
1287	head_list->buffer[0].address = virt_to_busvirt_to_phys( t );
1288	head_list->buffer[9].address = (u32) skb;
1289	}
1290	}
1291
1292	head_list->forward = 0;
1293	head_list->frameSize = TLAN_MAX_FRAME_SIZE1600;
1294	head_list->buffer[0].count = TLAN_MAX_FRAME_SIZE1600 \| TLAN_LAST_BUFFER0x80000000;
1295	tail_list->forward = virt_to_busvirt_to_phys( head_list );
1296
1297	CIRC_INC( priv->rxHead, TLAN_NUM_RX_LISTS )if ( ++priv->rxHead >= 4 ) priv->rxHead = 0;
1298	CIRC_INC( priv->rxTail, TLAN_NUM_RX_LISTS )if ( ++priv->rxTail >= 4 ) priv->rxTail = 0;
1299
1300	if ( eoc ) {
1301	TLAN_DBG( TLAN_DEBUG_RX, "TLAN RECEIVE: Handling RX EOC (Head=%d Tail=%d)\n", priv->rxHead, priv->rxTail )if (debug&0x0004) printk( "TLAN RECEIVE: Handling RX EOC (Head=%d Tail=%d)\n" , priv->rxHead, priv->rxTail );;
1302	head_list = priv->rxList + priv->rxHead;
1303	outl( virt_to_bus( head_list ), dev->base_addr + TLAN_CH_PARM )((__builtin_constant_p((dev->base_addr + 0x04)) && (dev->base_addr + 0x04) < 256) ? __outlc((virt_to_phys ( head_list )),(dev->base_addr + 0x04)) : __outl((virt_to_phys ( head_list )),(dev->base_addr + 0x04)));
1304	ack \|= TLAN_HC_GO0x80000000 \| TLAN_HC_RT0x00080000;
1305	priv->rxEocCount++;
1306	}
1307
1308	if ( priv->adapter->flags & TLAN_ADAPTER_ACTIVITY_LED0x00000008 ) {
1309	TLan_DioWrite8( dev->base_addr, TLAN_LED_REG0x44, TLAN_LED_LINK0x01 \| TLAN_LED_ACT0x10 );
1310	if ( priv->timer.function == NULL((void *) 0) ) {
1311	TLan_SetTimer( dev, TLAN_TIMER_ACT_DELAY10, TLAN_TIMER_ACTIVITY2 );
1312	} else if ( priv->timerType == TLAN_TIMER_ACTIVITY2 ) {
1313	priv->timerSetAt = jiffies;
1314	}
1315	}
1316
1317	dev->last_rx = jiffies;
1318
1319	return ack;
1320
1321	} /* TLan_HandleRxEOF */
1322
1323
1324
1325
1326	/***************************************************************
1327	* TLan_HandleDummy
1328	*
1329	* Returns:
1330	* 1
1331	* Parms:
1332	* dev Device assigned the IRQ that was
1333	* raised.
1334	* host_int The contents of the HOST_INT
1335	* port.
1336	*
1337	* This function handles the Dummy interrupt, which is
1338	* raised whenever a test interrupt is generated by setting
1339	* the Req_Int bit of HOST_CMD to 1.
1340	*
1341	**************************************************************/
1342
1343	u32 TLan_HandleDummy( struct devicelinux_device *dev, u16 host_int )
1344	{
1345	host_int = 0;
1346	printk( "TLAN: Test interrupt on %s.\n", dev->name );
1347	return 1;
1348
1349	} /* TLan_HandleDummy */
1350
1351
1352
1353
1354	/***************************************************************
1355	* TLan_HandleTxEOC
1356	*
1357	* Returns:
1358	* 1
1359	* Parms:
1360	* dev Device assigned the IRQ that was
1361	* raised.
1362	* host_int The contents of the HOST_INT
1363	* port.
1364	*
1365	* This driver is structured to determine EOC occurances by
1366	* reading the CSTAT member of the list structure. Tx EOC
1367	* interrupts are disabled via the DIO INTDIS register.
1368	* However, TLAN chips before revision 3.0 didn't have this
1369	* functionality, so process EOC events if this is the
1370	* case.
1371	*
1372	**************************************************************/
1373
1374	u32 TLan_HandleTxEOC( struct devicelinux_device *dev, u16 host_int )
1375	{
1376	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
1377	TLanList *head_list;
1378	u32 ack = 1;
1379
1380	host_int = 0;
1381	if ( priv->tlanRev < 0x30 ) {
1382	TLAN_DBG( TLAN_DEBUG_TX, "TLAN TRANSMIT: Handling TX EOC (Head=%d Tail=%d) -- IRQ\n", priv->txHead, priv->txTail )if (debug&0x0002) printk( "TLAN TRANSMIT: Handling TX EOC (Head=%d Tail=%d) -- IRQ\n" , priv->txHead, priv->txTail );;
1383	head_list = priv->txList + priv->txHead;
1384	if ( ( head_list->cStat & TLAN_CSTAT_READY0x3000 ) == TLAN_CSTAT_READY0x3000 ) {
1385	outl( virt_to_bus( head_list ), dev->base_addr + TLAN_CH_PARM )((__builtin_constant_p((dev->base_addr + 0x04)) && (dev->base_addr + 0x04) < 256) ? __outlc((virt_to_phys ( head_list )),(dev->base_addr + 0x04)) : __outl((virt_to_phys ( head_list )),(dev->base_addr + 0x04)));
1386	ack \|= TLAN_HC_GO0x80000000;
1387	} else {
1388	priv->txInProgress = 0;
1389	}
1390	}
1391
1392	return ack;
1393
1394	} /* TLan_HandleTxEOC */
1395
1396
1397
1398
1399	/***************************************************************
1400	* TLan_HandleStatusCheck
1401	*
1402	* Returns:
1403	* 0 if Adapter check, 1 if Network Status check.
1404	* Parms:
1405	* dev Device assigned the IRQ that was
1406	* raised.
1407	* host_int The contents of the HOST_INT
1408	* port.
1409	*
1410	* This function handles Adapter Check/Network Status
1411	* interrupts generated by the adapter. It checks the
1412	* vector in the HOST_INT register to determine if it is
1413	* an Adapter Check interrupt. If so, it resets the
1414	* adapter. Otherwise it clears the status registers
1415	* and services the PHY.
1416	*
1417	**************************************************************/
1418
1419	u32 TLan_HandleStatusCheck( struct devicelinux_device *dev, u16 host_int )
1420	{
1421	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
1422	u32 ack;
1423	u32 error;
1424	u8 net_sts;
1425	u32 phy;
1426	u16 tlphy_ctl;
1427	u16 tlphy_sts;
1428
1429	ack = 1;
1430	if ( host_int & TLAN_HI_IV_MASK0x1FE0 ) {
1431	error = inl( dev->base_addr + TLAN_CH_PARM )((__builtin_constant_p((dev->base_addr + 0x04)) && (dev->base_addr + 0x04) < 256) ? __inlc(dev->base_addr + 0x04) : __inl(dev->base_addr + 0x04));
1432	printk( "TLAN: %s: Adaptor Error = 0x%x\n", dev->name, error );
1433	TLan_ReadAndClearStats( dev, TLAN_RECORD1 );
1434	outl( TLAN_HC_AD_RST, dev->base_addr + TLAN_HOST_CMD )((__builtin_constant_p((dev->base_addr + 0x00)) && (dev->base_addr + 0x00) < 256) ? __outlc((0x00008000), (dev->base_addr + 0x00)) : __outl((0x00008000),(dev->base_addr + 0x00)));
1435	TLan_FreeLists( dev );
1436	TLan_ResetLists( dev );
1437	TLan_ResetAdapter( dev );
1438	dev->tbusy = 0;
1439	ack = 0;
1440	} else {
1441	TLAN_DBG( TLAN_DEBUG_GNRL, "TLAN: %s: Status Check\n", dev->name )if (debug&0x0001) printk( "TLAN: %s: Status Check\n", dev ->name );;
1442	phy = priv->phy[priv->phyNum];
1443
1444	net_sts = TLan_DioRead8( dev->base_addr, TLAN_NET_STS0x02 );
1445	if ( net_sts ) {
1446	TLan_DioWrite8( dev->base_addr, TLAN_NET_STS0x02, net_sts );
1447	TLAN_DBG( TLAN_DEBUG_GNRL, "TLAN: %s: Net_Sts = %x\n", dev->name, (unsigned) net_sts )if (debug&0x0001) printk( "TLAN: %s: Net_Sts = %x\n", dev->name, (unsigned) net_sts );;
1448	}
1449	if ( ( net_sts & TLAN_NET_STS_MIRQ0x80 ) && ( priv->phyNum == 0 ) ) {
1450	TLan_MiiReadReg( dev, phy, TLAN_TLPHY_STS0x12, &tlphy_sts );
1451	TLan_MiiReadReg( dev, phy, TLAN_TLPHY_CTL0x11, &tlphy_ctl );
1452	if ( ! ( tlphy_sts & TLAN_TS_POLOK0x2000 ) && ! ( tlphy_ctl & TLAN_TC_SWAPOL0x4000 ) ) {
1453	tlphy_ctl \|= TLAN_TC_SWAPOL0x4000;
1454	TLan_MiiWriteReg( dev, phy, TLAN_TLPHY_CTL0x11, tlphy_ctl);
1455	} else if ( ( tlphy_sts & TLAN_TS_POLOK0x2000 ) && ( tlphy_ctl & TLAN_TC_SWAPOL0x4000 ) ) {
1456	tlphy_ctl &= ~TLAN_TC_SWAPOL0x4000;
1457	TLan_MiiWriteReg( dev, phy, TLAN_TLPHY_CTL0x11, tlphy_ctl);
1458	}
1459
1460	if (debug) {
1461	TLan_PhyPrint( dev );
1462	}
1463	}
1464	}
1465
1466	return ack;
1467
1468	} /* TLan_HandleStatusCheck */
1469
1470
1471
1472
1473	/***************************************************************
1474	* TLan_HandleRxEOC
1475	*
1476	* Returns:
1477	* 1
1478	* Parms:
1479	* dev Device assigned the IRQ that was
1480	* raised.
1481	* host_int The contents of the HOST_INT
1482	* port.
1483	*
1484	* This driver is structured to determine EOC occurances by
1485	* reading the CSTAT member of the list structure. Rx EOC
1486	* interrupts are disabled via the DIO INTDIS register.
1487	* However, TLAN chips before revision 3.0 didn't have this
1488	* CSTAT member or a INTDIS register, so if this chip is
1489	* pre-3.0, process EOC interrupts normally.
1490	*
1491	**************************************************************/
1492
1493	u32 TLan_HandleRxEOC( struct devicelinux_device *dev, u16 host_int )
1494	{
1495	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
1496	TLanList *head_list;
1497	u32 ack = 1;
1498
1499	host_int = 0;
1500	if ( priv->tlanRev < 0x30 ) {
1501	TLAN_DBG( TLAN_DEBUG_RX, "TLAN RECEIVE: Handling RX EOC (Head=%d Tail=%d) -- IRQ\n", priv->rxHead, priv->rxTail )if (debug&0x0004) printk( "TLAN RECEIVE: Handling RX EOC (Head=%d Tail=%d) -- IRQ\n" , priv->rxHead, priv->rxTail );;
1502	head_list = priv->rxList + priv->rxHead;
1503	outl( virt_to_bus( head_list ), dev->base_addr + TLAN_CH_PARM )((__builtin_constant_p((dev->base_addr + 0x04)) && (dev->base_addr + 0x04) < 256) ? __outlc((virt_to_phys ( head_list )),(dev->base_addr + 0x04)) : __outl((virt_to_phys ( head_list )),(dev->base_addr + 0x04)));
1504	ack \|= TLAN_HC_GO0x80000000 \| TLAN_HC_RT0x00080000;
1505	priv->rxEocCount++;
1506	}
1507
1508	return ack;
1509
1510	} /* TLan_HandleRxEOC */
1511
1512
1513
1514
1515	/*****************************************************************************
1516	******************************************************************************
1517
1518	ThunderLAN Driver Timer Function
1519
1520	******************************************************************************
1521	*****************************************************************************/
1522
1523
1524	/***************************************************************
1525	* TLan_Timer
1526	*
1527	* Returns:
1528	* Nothing
1529	* Parms:
1530	* data A value given to add timer when
1531	* add_timer was called.
1532	*
1533	* This function handles timed functionality for the
1534	* TLAN driver. The two current timer uses are for
1535	* delaying for autonegotionation and driving the ACT LED.
1536	* - Autonegotiation requires being allowed about
1537	* 2 1/2 seconds before attempting to transmit a
1538	* packet. It would be a very bad thing to hang
1539	* the kernel this long, so the driver doesn't
1540	* allow transmission 'til after this time, for
1541	* certain PHYs. It would be much nicer if all
1542	* PHYs were interrupt-capable like the internal
1543	* PHY.
1544	* - The ACT LED, which shows adapter activity, is
1545	* driven by the driver, and so must be left on
1546	* for a short period to power up the LED so it
1547	* can be seen. This delay can be changed by
1548	* changing the TLAN_TIMER_ACT_DELAY in tlan.h,
1549	* if desired. 10 jiffies produces a slightly
1550	* sluggish response.
1551	*
1552	**************************************************************/
1553
1554	void TLan_Timer( unsigned long data )
1555	{
1556	struct devicelinux_device dev = (struct devicelinux_device ) data;
1557	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
1558	u32 elapsed;
1559
1560	priv->timer.function = NULL((void *) 0);
1561
1562	switch ( priv->timerType ) {
1563	case TLAN_TIMER_PHY_PDOWN3:
1564	TLan_PhyPowerDown( dev );
1565	break;
1566	case TLAN_TIMER_PHY_PUP4:
1567	TLan_PhyPowerUp( dev );
1568	break;
1569	case TLAN_TIMER_PHY_RESET5:
1570	TLan_PhyReset( dev );
1571	break;
1572	case TLAN_TIMER_PHY_START_LINK6:
1573	TLan_PhyStartLink( dev );
1574	break;
1575	case TLAN_TIMER_PHY_FINISH_AN7:
1576	TLan_PhyFinishAutoNeg( dev );
1577	break;
1578	case TLAN_TIMER_FINISH_RESET8:
1579	TLan_FinishReset( dev );
1580	break;
1581	case TLAN_TIMER_ACTIVITY2:
1582	cli()__asm__ __volatile__ ("cli": : :"memory");
1583	if ( priv->timer.function == NULL((void *) 0) ) {
1584	elapsed = jiffies - priv->timerSetAt;
1585	if ( elapsed >= TLAN_TIMER_ACT_DELAY10 ) {
1586	TLan_DioWrite8( dev->base_addr, TLAN_LED_REG0x44, TLAN_LED_LINK0x01 );
1587	} else {
1588	priv->timer.function = &TLan_Timer;
1589	priv->timer.expires = priv->timerSetAt + TLAN_TIMER_ACT_DELAY10;
1590	sti()__asm__ __volatile__ ("sti": : :"memory");
1591	add_timer( &priv->timer );
1592	}
1593	}
1594	sti()__asm__ __volatile__ ("sti": : :"memory");
1595	break;
1596	default:
1597	break;
1598	}
1599
1600	} /* TLan_Timer */
1601
1602
1603
1604
1605	/*****************************************************************************
1606	******************************************************************************
1607
1608	ThunderLAN Driver Adapter Related Routines
1609
1610	******************************************************************************
1611	*****************************************************************************/
1612
1613
1614	/***************************************************************
1615	* TLan_ResetLists
1616	*
1617	* Returns:
1618	* Nothing
1619	* Parms:
1620	* dev The device structure with the list
1621	* stuctures to be reset.
1622	*
1623	* This routine sets the variables associated with managing
1624	* the TLAN lists to their initial values.
1625	*
1626	**************************************************************/
1627
1628	void TLan_ResetLists( struct devicelinux_device *dev )
1629	{
1630	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
1631	int i;
1632	TLanList *list;
1633	struct sk_buff *skb;
1634	void t = NULL((void ) 0);
1635
1636	priv->txHead = 0;
1637	priv->txTail = 0;
1638	for ( i = 0; i < TLAN_NUM_TX_LISTS8; i++ ) {
1639	list = priv->txList + i;
1640	list->cStat = TLAN_CSTAT_UNUSED0x8000;
1641	if ( bbuf ) {
1642	list->buffer[0].address = virt_to_busvirt_to_phys( priv->txBuffer + ( i * TLAN_MAX_FRAME_SIZE1600 ) );
1643	} else {
1644	list->buffer[0].address = 0;
1645	}
1646	list->buffer[2].count = 0;
1647	list->buffer[2].address = 0;
1648	}
1649
1650	priv->rxHead = 0;
1651	priv->rxTail = TLAN_NUM_RX_LISTS4 - 1;
1652	for ( i = 0; i < TLAN_NUM_RX_LISTS4; i++ ) {
1653	list = priv->rxList + i;
1654	list->cStat = TLAN_CSTAT_READY0x3000;
1655	list->frameSize = TLAN_MAX_FRAME_SIZE1600;
1656	list->buffer[0].count = TLAN_MAX_FRAME_SIZE1600 \| TLAN_LAST_BUFFER0x80000000;
1657	if ( bbuf ) {
1658	list->buffer[0].address = virt_to_busvirt_to_phys( priv->rxBuffer + ( i * TLAN_MAX_FRAME_SIZE1600 ) );
1659	} else {
1660	skb = dev_alloc_skb( TLAN_MAX_FRAME_SIZE1600 + 7 );
1661	if ( skb == NULL((void *) 0) ) {
1662	printk( "TLAN: Couldn't allocate memory for received data.\n" );
1663	/* If this ever happened it would be a problem */
1664	} else {
1665	skb->dev = dev;
1666	skb_reserve( skb, 2 );
1667	t = (void *) skb_put( skb, TLAN_MAX_FRAME_SIZE1600 );
1668	}
1669	list->buffer[0].address = virt_to_busvirt_to_phys( t );
1670	list->buffer[9].address = (u32) skb;
1671	}
1672	list->buffer[1].count = 0;
1673	list->buffer[1].address = 0;
1674	if ( i < TLAN_NUM_RX_LISTS4 - 1 )
1675	list->forward = virt_to_busvirt_to_phys( list + 1 );
1676	else
1677	list->forward = 0;
1678	}
1679
1680	} /* TLan_ResetLists */
1681
1682
1683	void TLan_FreeLists( struct devicelinux_device *dev )
1684	{
1685	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
1686	int i;
1687	TLanList *list;
1688	struct sk_buff *skb;
1689
1690	if ( ! bbuf ) {
1691	for ( i = 0; i < TLAN_NUM_TX_LISTS8; i++ ) {
1692	list = priv->txList + i;
1693	skb = (struct sk_buff *) list->buffer[9].address;
1694	if ( skb ) {
1695	dev_kfree_skb( skb, FREE_WRITE0 );
1696	list->buffer[9].address = 0;
1697	}
1698	}
1699
1700	for ( i = 0; i < TLAN_NUM_RX_LISTS4; i++ ) {
1701	list = priv->rxList + i;
1702	skb = (struct sk_buff *) list->buffer[9].address;
1703	if ( skb ) {
1704	dev_kfree_skb( skb, FREE_READ1 );
1705	list->buffer[9].address = 0;
1706	}
1707	}
1708	}
1709
1710	} /* TLan_FreeLists */
1711
1712
1713
1714
1715	/***************************************************************
1716	* TLan_PrintDio
1717	*
1718	* Returns:
1719	* Nothing
1720	* Parms:
1721	* io_base Base IO port of the device of
1722	* which to print DIO registers.
1723	*
1724	* This function prints out all the internal (DIO)
1725	* registers of a TLAN chip.
1726	*
1727	**************************************************************/
1728
1729	void TLan_PrintDio( u16 io_base )
1730	{
1731	u32 data0, data1;
1732	int i;
1733
1734	printk( "TLAN: Contents of internal registers for io base 0x%04hx.\n", io_base );
1735	printk( "TLAN: Off. +0 +4\n" );
1736	for ( i = 0; i < 0x4C; i+= 8 ) {
1737	data0 = TLan_DioRead32( io_base, i );
1738	data1 = TLan_DioRead32( io_base, i + 0x4 );
1739	printk( "TLAN: 0x%02x 0x%08x 0x%08x\n", i, data0, data1 );
1740	}
1741
1742	} /* TLan_PrintDio */
1743
1744
1745
1746
1747	/***************************************************************
1748	* TLan_PrintList
1749	*
1750	* Returns:
1751	* Nothing
1752	* Parms:
1753	* list A pointer to the TLanList structure to
1754	* be printed.
1755	* type A string to designate type of list,
1756	* "Rx" or "Tx".
1757	* num The index of the list.
1758	*
1759	* This function prints out the contents of the list
1760	* pointed to by the list parameter.
1761	*
1762	**************************************************************/
1763
1764	void TLan_PrintList( TLanList list, char type, int num)
1765	{
1766	int i;
1767
1768	printk( "TLAN: %s List %d at 0x%08x\n", type, num, (u32) list );
1769	printk( "TLAN: Forward = 0x%08x\n", list->forward );
1770	printk( "TLAN: CSTAT = 0x%04hx\n", list->cStat );
1771	printk( "TLAN: Frame Size = 0x%04hx\n", list->frameSize );
1772	/* for ( i = 0; i < 10; i++ ) { */
1773	for ( i = 0; i < 2; i++ ) {
1774	printk( "TLAN: Buffer[%d].count, addr = 0x%08x, 0x%08x\n", i, list->buffer[i].count, list->buffer[i].address );
1775	}
1776
1777	} /* TLan_PrintList */
1778
1779
1780
1781
1782	/***************************************************************
1783	* TLan_ReadAndClearStats
1784	*
1785	* Returns:
1786	* Nothing
1787	* Parms:
1788	* dev Pointer to device structure of adapter
1789	* to which to read stats.
1790	* record Flag indicating whether to add
1791	*
1792	* This functions reads all the internal status registers
1793	* of the TLAN chip, which clears them as a side effect.
1794	* It then either adds the values to the device's status
1795	* struct, or discards them, depending on whether record
1796	* is TLAN_RECORD (!=0) or TLAN_IGNORE (==0).
1797	*
1798	**************************************************************/
1799
1800	void TLan_ReadAndClearStats( struct devicelinux_device *dev, int record )
1801	{
1802	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
1803	u32 tx_good, tx_under;
1804	u32 rx_good, rx_over;
1805	u32 def_tx, crc, code;
1806	u32 multi_col, single_col;
1807	u32 excess_col, late_col, loss;
1808
1809	outw( TLAN_GOOD_TX_FRMS, dev->base_addr + TLAN_DIO_ADR )((__builtin_constant_p((dev->base_addr + 0x08)) && (dev->base_addr + 0x08) < 256) ? __outwc((0x30),(dev-> base_addr + 0x08)) : __outw((0x30),(dev->base_addr + 0x08) ));
1810	tx_good = inb( dev->base_addr + TLAN_DIO_DATA )((__builtin_constant_p((dev->base_addr + 0x0C)) && (dev->base_addr + 0x0C) < 256) ? __inbc(dev->base_addr + 0x0C) : __inb(dev->base_addr + 0x0C));
1811	tx_good += inb( dev->base_addr + TLAN_DIO_DATA + 1 )((__builtin_constant_p((dev->base_addr + 0x0C + 1)) && (dev->base_addr + 0x0C + 1) < 256) ? __inbc(dev->base_addr + 0x0C + 1) : __inb(dev->base_addr + 0x0C + 1)) << 8;
1812	tx_good += inb( dev->base_addr + TLAN_DIO_DATA + 2 )((__builtin_constant_p((dev->base_addr + 0x0C + 2)) && (dev->base_addr + 0x0C + 2) < 256) ? __inbc(dev->base_addr + 0x0C + 2) : __inb(dev->base_addr + 0x0C + 2)) << 16;
1813	tx_under = inb( dev->base_addr + TLAN_DIO_DATA + 3 )((__builtin_constant_p((dev->base_addr + 0x0C + 3)) && (dev->base_addr + 0x0C + 3) < 256) ? __inbc(dev->base_addr + 0x0C + 3) : __inb(dev->base_addr + 0x0C + 3));
1814
1815	outw( TLAN_GOOD_RX_FRMS, dev->base_addr + TLAN_DIO_ADR )((__builtin_constant_p((dev->base_addr + 0x08)) && (dev->base_addr + 0x08) < 256) ? __outwc((0x34),(dev-> base_addr + 0x08)) : __outw((0x34),(dev->base_addr + 0x08) ));
1816	rx_good = inb( dev->base_addr + TLAN_DIO_DATA )((__builtin_constant_p((dev->base_addr + 0x0C)) && (dev->base_addr + 0x0C) < 256) ? __inbc(dev->base_addr + 0x0C) : __inb(dev->base_addr + 0x0C));
1817	rx_good += inb( dev->base_addr + TLAN_DIO_DATA + 1 )((__builtin_constant_p((dev->base_addr + 0x0C + 1)) && (dev->base_addr + 0x0C + 1) < 256) ? __inbc(dev->base_addr + 0x0C + 1) : __inb(dev->base_addr + 0x0C + 1)) << 8;
1818	rx_good += inb( dev->base_addr + TLAN_DIO_DATA + 2 )((__builtin_constant_p((dev->base_addr + 0x0C + 2)) && (dev->base_addr + 0x0C + 2) < 256) ? __inbc(dev->base_addr + 0x0C + 2) : __inb(dev->base_addr + 0x0C + 2)) << 16;
1819	rx_over = inb( dev->base_addr + TLAN_DIO_DATA + 3 )((__builtin_constant_p((dev->base_addr + 0x0C + 3)) && (dev->base_addr + 0x0C + 3) < 256) ? __inbc(dev->base_addr + 0x0C + 3) : __inb(dev->base_addr + 0x0C + 3));
1820
1821	outw( TLAN_DEFERRED_TX, dev->base_addr + TLAN_DIO_ADR )((__builtin_constant_p((dev->base_addr + 0x08)) && (dev->base_addr + 0x08) < 256) ? __outwc((0x38),(dev-> base_addr + 0x08)) : __outw((0x38),(dev->base_addr + 0x08) ));
1822	def_tx = inb( dev->base_addr + TLAN_DIO_DATA )((__builtin_constant_p((dev->base_addr + 0x0C)) && (dev->base_addr + 0x0C) < 256) ? __inbc(dev->base_addr + 0x0C) : __inb(dev->base_addr + 0x0C));
1823	def_tx += inb( dev->base_addr + TLAN_DIO_DATA + 1 )((__builtin_constant_p((dev->base_addr + 0x0C + 1)) && (dev->base_addr + 0x0C + 1) < 256) ? __inbc(dev->base_addr + 0x0C + 1) : __inb(dev->base_addr + 0x0C + 1)) << 8;
	Value stored to 'def_tx' is never read
1824	crc = inb( dev->base_addr + TLAN_DIO_DATA + 2 )((__builtin_constant_p((dev->base_addr + 0x0C + 2)) && (dev->base_addr + 0x0C + 2) < 256) ? __inbc(dev->base_addr + 0x0C + 2) : __inb(dev->base_addr + 0x0C + 2));
1825	code = inb( dev->base_addr + TLAN_DIO_DATA + 3 )((__builtin_constant_p((dev->base_addr + 0x0C + 3)) && (dev->base_addr + 0x0C + 3) < 256) ? __inbc(dev->base_addr + 0x0C + 3) : __inb(dev->base_addr + 0x0C + 3));
1826
1827	outw( TLAN_MULTICOL_FRMS, dev->base_addr + TLAN_DIO_ADR )((__builtin_constant_p((dev->base_addr + 0x08)) && (dev->base_addr + 0x08) < 256) ? __outwc((0x3C),(dev-> base_addr + 0x08)) : __outw((0x3C),(dev->base_addr + 0x08) ));
1828	multi_col = inb( dev->base_addr + TLAN_DIO_DATA )((__builtin_constant_p((dev->base_addr + 0x0C)) && (dev->base_addr + 0x0C) < 256) ? __inbc(dev->base_addr + 0x0C) : __inb(dev->base_addr + 0x0C));
1829	multi_col += inb( dev->base_addr + TLAN_DIO_DATA + 1 )((__builtin_constant_p((dev->base_addr + 0x0C + 1)) && (dev->base_addr + 0x0C + 1) < 256) ? __inbc(dev->base_addr + 0x0C + 1) : __inb(dev->base_addr + 0x0C + 1)) << 8;
1830	single_col = inb( dev->base_addr + TLAN_DIO_DATA + 2 )((__builtin_constant_p((dev->base_addr + 0x0C + 2)) && (dev->base_addr + 0x0C + 2) < 256) ? __inbc(dev->base_addr + 0x0C + 2) : __inb(dev->base_addr + 0x0C + 2));
1831	single_col += inb( dev->base_addr + TLAN_DIO_DATA + 3 )((__builtin_constant_p((dev->base_addr + 0x0C + 3)) && (dev->base_addr + 0x0C + 3) < 256) ? __inbc(dev->base_addr + 0x0C + 3) : __inb(dev->base_addr + 0x0C + 3)) << 8;
1832
1833	outw( TLAN_EXCESSCOL_FRMS, dev->base_addr + TLAN_DIO_ADR )((__builtin_constant_p((dev->base_addr + 0x08)) && (dev->base_addr + 0x08) < 256) ? __outwc((0x40),(dev-> base_addr + 0x08)) : __outw((0x40),(dev->base_addr + 0x08) ));
1834	excess_col = inb( dev->base_addr + TLAN_DIO_DATA )((__builtin_constant_p((dev->base_addr + 0x0C)) && (dev->base_addr + 0x0C) < 256) ? __inbc(dev->base_addr + 0x0C) : __inb(dev->base_addr + 0x0C));
1835	late_col = inb( dev->base_addr + TLAN_DIO_DATA + 1 )((__builtin_constant_p((dev->base_addr + 0x0C + 1)) && (dev->base_addr + 0x0C + 1) < 256) ? __inbc(dev->base_addr + 0x0C + 1) : __inb(dev->base_addr + 0x0C + 1));
1836	loss = inb( dev->base_addr + TLAN_DIO_DATA + 2 )((__builtin_constant_p((dev->base_addr + 0x0C + 2)) && (dev->base_addr + 0x0C + 2) < 256) ? __inbc(dev->base_addr + 0x0C + 2) : __inb(dev->base_addr + 0x0C + 2));
1837
1838	if ( record ) {
1839	priv->stats.rx_packets += rx_good;
1840	priv->stats.rx_errors += rx_over + crc + code;
1841	priv->stats.tx_packets += tx_good;
1842	priv->stats.tx_errors += tx_under + loss;
1843	priv->stats.collisions += multi_col + single_col + excess_col + late_col;
1844
1845	priv->stats.rx_over_errors += rx_over;
1846	priv->stats.rx_crc_errors += crc;
1847	priv->stats.rx_frame_errors += code;
1848
1849	priv->stats.tx_aborted_errors += tx_under;
1850	priv->stats.tx_carrier_errors += loss;
1851	}
1852
1853	} /* TLan_ReadAndClearStats */
1854
1855
1856
1857
1858	/***************************************************************
1859	* TLan_Reset
1860	*
1861	* Returns:
1862	* 0
1863	* Parms:
1864	* dev Pointer to device structure of adapter
1865	* to be reset.
1866	*
1867	* This function resets the adapter and it's physical
1868	* device. See Chap. 3, pp. 9-10 of the "ThunderLAN
1869	* Programmer's Guide" for details. The routine tries to
1870	* implement what is detailed there, though adjustments
1871	* have been made.
1872	*
1873	**************************************************************/
1874
1875	void
1876	TLan_ResetAdapter( struct devicelinux_device *dev )
1877	{
1878	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
1879	int i;
1880	u32 addr;
1881	u32 data;
1882	u8 data8;
1883
1884	priv->tlanFullDuplex = FALSE0;
1885	/* 1. Assert reset bit. */
1886
1887	data = inl(dev->base_addr + TLAN_HOST_CMD)((__builtin_constant_p((dev->base_addr + 0x00)) && (dev->base_addr + 0x00) < 256) ? __inlc(dev->base_addr + 0x00) : __inl(dev->base_addr + 0x00));
1888	data \|= TLAN_HC_AD_RST0x00008000;
1889	outl(data, dev->base_addr + TLAN_HOST_CMD)((__builtin_constant_p((dev->base_addr + 0x00)) && (dev->base_addr + 0x00) < 256) ? __outlc((data),(dev-> base_addr + 0x00)) : __outl((data),(dev->base_addr + 0x00) ));
1890
1891	udelay(1000)(__builtin_constant_p(1000) ? __const_udelay((1000) * 0x10c6ul ) : __udelay(1000));
1892
1893	/* 2. Turn off interrupts. ( Probably isn't necessary ) */
1894
1895	data = inl(dev->base_addr + TLAN_HOST_CMD)((__builtin_constant_p((dev->base_addr + 0x00)) && (dev->base_addr + 0x00) < 256) ? __inlc(dev->base_addr + 0x00) : __inl(dev->base_addr + 0x00));
1896	data \|= TLAN_HC_INT_OFF0x00000800;
1897	outl(data, dev->base_addr + TLAN_HOST_CMD)((__builtin_constant_p((dev->base_addr + 0x00)) && (dev->base_addr + 0x00) < 256) ? __outlc((data),(dev-> base_addr + 0x00)) : __outl((data),(dev->base_addr + 0x00) ));
1898
1899	/* 3. Clear AREGs and HASHs. */
1900
1901	for ( i = TLAN_AREG_00x10; i <= TLAN_HASH_20x2C; i += 4 ) {
1902	TLan_DioWrite32( dev->base_addr, (u16) i, 0 );
1903	}
1904
1905	/* 4. Setup NetConfig register. */
1906
1907	data = TLAN_NET_CFG_1FRAG0x0400 \| TLAN_NET_CFG_1CHAN0x0200 \| TLAN_NET_CFG_PHY_EN0x0080;
1908	TLan_DioWrite16( dev->base_addr, TLAN_NET_CONFIG0x04, (u16) data );
1909
1910	/* 5. Load Ld_Tmr and Ld_Thr in HOST_CMD. */
1911
1912	outl( TLAN_HC_LD_TMR \| 0x0, dev->base_addr + TLAN_HOST_CMD )((__builtin_constant_p((dev->base_addr + 0x00)) && (dev->base_addr + 0x00) < 256) ? __outlc((0x00004000 \| 0x0),(dev->base_addr + 0x00)) : __outl((0x00004000 \| 0x0) ,(dev->base_addr + 0x00)));
1913	outl( TLAN_HC_LD_THR \| 0x1, dev->base_addr + TLAN_HOST_CMD )((__builtin_constant_p((dev->base_addr + 0x00)) && (dev->base_addr + 0x00) < 256) ? __outlc((0x00002000 \| 0x1),(dev->base_addr + 0x00)) : __outl((0x00002000 \| 0x1) ,(dev->base_addr + 0x00)));
1914
1915	/* 6. Unreset the MII by setting NMRST (in NetSio) to 1. */
1916
1917	outw( TLAN_NET_SIO, dev->base_addr + TLAN_DIO_ADR )((__builtin_constant_p((dev->base_addr + 0x08)) && (dev->base_addr + 0x08) < 256) ? __outwc((0x01),(dev-> base_addr + 0x08)) : __outw((0x01),(dev->base_addr + 0x08) ));
1918	addr = dev->base_addr + TLAN_DIO_DATA0x0C + TLAN_NET_SIO0x01;
1919	TLan_SetBit( TLAN_NET_SIO_NMRST, addr )((__builtin_constant_p((addr)) && (addr) < 256) ? __outbc_p ((((__builtin_constant_p((addr)) && (addr) < 256) ? __inbc_p(addr) : __inb_p(addr)) \| 0x08),(addr)) : __outb_p(( ((__builtin_constant_p((addr)) && (addr) < 256) ? __inbc_p (addr) : __inb_p(addr)) \| 0x08),(addr)));
1920
1921	/* 7. Setup the remaining registers. */
1922
1923	if ( priv->tlanRev >= 0x30 ) {
1924	data8 = TLAN_ID_TX_EOC0x04 \| TLAN_ID_RX_EOC0x01;
1925	TLan_DioWrite8( dev->base_addr, TLAN_INT_DIS0x48, data8 );
1926	}
1927	TLan_PhyDetect( dev );
1928	data = TLAN_NET_CFG_1FRAG0x0400 \| TLAN_NET_CFG_1CHAN0x0200;
1929	if ( priv->adapter->flags & TLAN_ADAPTER_BIT_RATE_PHY0x00000002 ) {
1930	data \|= TLAN_NET_CFG_BIT0x2000;
1931	if ( priv->aui == 1 ) {
1932	TLan_DioWrite8( dev->base_addr, TLAN_ACOMMIT0x43, 0x0a );
1933	} else if ( priv->duplex == TLAN_DUPLEX_FULL2 ) {
1934	TLan_DioWrite8( dev->base_addr, TLAN_ACOMMIT0x43, 0x00 );
1935	priv->tlanFullDuplex = TRUE1;
1936	} else {
1937	TLan_DioWrite8( dev->base_addr, TLAN_ACOMMIT0x43, 0x08 );
1938	}
1939	}
1940	if ( priv->phyNum == 0 ) {
1941	data \|= TLAN_NET_CFG_PHY_EN0x0080;
1942	}
1943	TLan_DioWrite16( dev->base_addr, TLAN_NET_CONFIG0x04, (u16) data );
1944
1945	if ( priv->adapter->flags & TLAN_ADAPTER_UNMANAGED_PHY0x00000001 ) {
1946	TLan_FinishReset( dev );
1947	} else {
1948	TLan_PhyPowerDown( dev );
1949	}
1950
1951	} /* TLan_ResetAdapter */
1952
1953
1954
1955
1956	void
1957	TLan_FinishReset( struct devicelinux_device *dev )
1958	{
1959	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
1960	u8 data;
1961	u32 phy;
1962	u8 sio;
1963	u16 status;
1964	u16 tlphy_ctl;
1965
1966	phy = priv->phy[priv->phyNum];
1967
1968	data = TLAN_NET_CMD_NRESET0x80 \| TLAN_NET_CMD_NWRAP0x40;
1969	if ( priv->tlanFullDuplex ) {
1970	data \|= TLAN_NET_CMD_DUPLEX0x04;
1971	}
1972	TLan_DioWrite8( dev->base_addr, TLAN_NET_CMD0x00, data );
1973	data = TLAN_NET_MASK_MASK40x10 \| TLAN_NET_MASK_MASK50x20;
1974	if ( priv->phyNum == 0 ) {
1975	data \|= TLAN_NET_MASK_MASK70x80;
1976	}
1977	TLan_DioWrite8( dev->base_addr, TLAN_NET_MASK0x03, data );
1978	TLan_DioWrite16( dev->base_addr, TLAN_MAX_RX0x46, TLAN_MAX_FRAME_SIZE1600 );
1979
1980	if ( ( priv->adapter->flags & TLAN_ADAPTER_UNMANAGED_PHY0x00000001 ) \|\| ( priv->aui ) ) {
1981	status = MII_GS_LINK0x0004;
1982	printk( "TLAN: %s: Link forced.\n", dev->name );
1983	} else {
1984	TLan_MiiReadReg( dev, phy, MII_GEN_STS0x01, &status );
1985	udelay( 1000 )(__builtin_constant_p(1000) ? __const_udelay((1000) * 0x10c6ul ) : __udelay(1000));
1986	TLan_MiiReadReg( dev, phy, MII_GEN_STS0x01, &status );
1987	if ( status & MII_GS_LINK0x0004 ) {
1988	printk( "TLAN: %s: Link active.\n", dev->name );
1989	TLan_DioWrite8( dev->base_addr, TLAN_LED_REG0x44, TLAN_LED_LINK0x01 );
1990	}
1991	}
1992
1993	if ( priv->phyNum == 0 ) {
1994	TLan_MiiReadReg( dev, phy, TLAN_TLPHY_CTL0x11, &tlphy_ctl );
1995	tlphy_ctl \|= TLAN_TC_INTEN0x0002;
1996	TLan_MiiWriteReg( dev, phy, TLAN_TLPHY_CTL0x11, tlphy_ctl );
1997	sio = TLan_DioRead8( dev->base_addr, TLAN_NET_SIO0x01 );
1998	sio \|= TLAN_NET_SIO_MINTEN0x80;
1999	TLan_DioWrite8( dev->base_addr, TLAN_NET_SIO0x01, sio );
2000	}
2001
2002	if ( status & MII_GS_LINK0x0004 ) {
2003	TLan_SetMac( dev, 0, dev->dev_addr );
2004	priv->phyOnline = 1;
2005	outb( ( TLAN_HC_INT_ON >> 8 ), dev->base_addr + TLAN_HOST_CMD + 1 )((__builtin_constant_p((dev->base_addr + 0x00 + 1)) && (dev->base_addr + 0x00 + 1) < 256) ? __outbc((( 0x00000400 >> 8 )),(dev->base_addr + 0x00 + 1)) : __outb((( 0x00000400 >> 8 )),(dev->base_addr + 0x00 + 1)));
2006	if ( debug >= 1 ) {
2007	outb( ( TLAN_HC_REQ_INT >> 8 ), dev->base_addr + TLAN_HOST_CMD + 1 )((__builtin_constant_p((dev->base_addr + 0x00 + 1)) && (dev->base_addr + 0x00 + 1) < 256) ? __outbc((( 0x00001000 >> 8 )),(dev->base_addr + 0x00 + 1)) : __outb((( 0x00001000 >> 8 )),(dev->base_addr + 0x00 + 1)));
2008	}
2009	outl( virt_to_bus( priv->rxList ), dev->base_addr + TLAN_CH_PARM )((__builtin_constant_p((dev->base_addr + 0x04)) && (dev->base_addr + 0x04) < 256) ? __outlc((virt_to_phys ( priv->rxList )),(dev->base_addr + 0x04)) : __outl((virt_to_phys ( priv->rxList )),(dev->base_addr + 0x04)));
2010	outl( TLAN_HC_GO \| TLAN_HC_RT, dev->base_addr + TLAN_HOST_CMD )((__builtin_constant_p((dev->base_addr + 0x00)) && (dev->base_addr + 0x00) < 256) ? __outlc((0x80000000 \| 0x00080000),(dev->base_addr + 0x00)) : __outl((0x80000000 \| 0x00080000),(dev->base_addr + 0x00)));
2011	} else {
2012	printk( "TLAN: %s: Link inactive, will retry in 10 secs...\n", dev->name );
2013	TLan_SetTimer( dev, 1000, TLAN_TIMER_FINISH_RESET8 );
2014	return;
2015	}
2016
2017	} /* TLan_FinishReset */
2018
2019
2020
2021
2022	/***************************************************************
2023	* TLan_SetMac
2024	*
2025	* Returns:
2026	* Nothing
2027	* Parms:
2028	* dev Pointer to device structure of adapter
2029	* on which to change the AREG.
2030	* areg The AREG to set the address in (0 - 3).
2031	* mac A pointer to an array of chars. Each
2032	* element stores one byte of the address.
2033	* IE, it isn't in ascii.
2034	*
2035	* This function transfers a MAC address to one of the
2036	* TLAN AREGs (address registers). The TLAN chip locks
2037	* the register on writing to offset 0 and unlocks the
2038	* register after writing to offset 5. If NULL is passed
2039	* in mac, then the AREG is filled with 0's.
2040	*
2041	**************************************************************/
2042
2043	void TLan_SetMac( struct devicelinux_device dev, int areg, char mac )
2044	{
2045	int i;
2046
2047	areg *= 6;
2048
2049	if ( mac != NULL((void *) 0) ) {
2050	for ( i = 0; i < 6; i++ )
2051	TLan_DioWrite8( dev->base_addr, TLAN_AREG_00x10 + areg + i, mac[i] );
2052	} else {
2053	for ( i = 0; i < 6; i++ )
2054	TLan_DioWrite8( dev->base_addr, TLAN_AREG_00x10 + areg + i, 0 );
2055	}
2056
2057	} /* TLan_SetMac */
2058
2059
2060
2061
2062	/*****************************************************************************
2063	******************************************************************************
2064
2065	ThunderLAN Driver PHY Layer Routines
2066
2067	******************************************************************************
2068	*****************************************************************************/
2069
2070
2071
2072	/*********************************************************************
2073	* TLan_PhyPrint
2074	*
2075	* Returns:
2076	* Nothing
2077	* Parms:
2078	* dev A pointer to the device structure of the
2079	* TLAN device having the PHYs to be detailed.
2080	*
2081	* This function prints the registers a PHY (aka tranceiver).
2082	*
2083	********************************************************************/
2084
2085	void TLan_PhyPrint( struct devicelinux_device *dev )
2086	{
2087	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
2088	u16 i, data0, data1, data2, data3, phy;
2089
2090	phy = priv->phy[priv->phyNum];
2091
2092	if ( priv->adapter->flags & TLAN_ADAPTER_UNMANAGED_PHY0x00000001 ) {
2093	printk( "TLAN: Device %s, Unmanaged PHY.\n", dev->name );
2094	} else if ( phy <= TLAN_PHY_MAX_ADDR0x1F ) {
2095	printk( "TLAN: Device %s, PHY 0x%02x.\n", dev->name, phy );
2096	printk( "TLAN: Off. +0 +1 +2 +3 \n" );
2097	for ( i = 0; i < 0x20; i+= 4 ) {
2098	printk( "TLAN: 0x%02x", i );
2099	TLan_MiiReadReg( dev, phy, i, &data0 );
2100	printk( " 0x%04hx", data0 );
2101	TLan_MiiReadReg( dev, phy, i + 1, &data1 );
2102	printk( " 0x%04hx", data1 );
2103	TLan_MiiReadReg( dev, phy, i + 2, &data2 );
2104	printk( " 0x%04hx", data2 );
2105	TLan_MiiReadReg( dev, phy, i + 3, &data3 );
2106	printk( " 0x%04hx\n", data3 );
2107	}
2108	} else {
2109	printk( "TLAN: Device %s, Invalid PHY.\n", dev->name );
2110	}
2111
2112	} /* TLan_PhyPrint */
2113
2114
2115
2116
2117	/*********************************************************************
2118	* TLan_PhyDetect
2119	*
2120	* Returns:
2121	* Nothing
2122	* Parms:
2123	* dev A pointer to the device structure of the adapter
2124	* for which the PHY needs determined.
2125	*
2126	* So far I've found that adapters which have external PHYs
2127	* may also use the internal PHY for part of the functionality.
2128	* (eg, AUI/Thinnet). This function finds out if this TLAN
2129	* chip has an internal PHY, and then finds the first external
2130	* PHY (starting from address 0) if it exists).
2131	*
2132	********************************************************************/
2133
2134	void TLan_PhyDetect( struct devicelinux_device *dev )
2135	{
2136	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
2137	u16 control;
2138	u16 hi;
2139	u16 lo;
2140	u32 phy;
2141
2142	if ( priv->adapter->flags & TLAN_ADAPTER_UNMANAGED_PHY0x00000001 ) {
2143	priv->phyNum = 0xFFFF;
2144	return;
2145	}
2146
2147	TLan_MiiReadReg( dev, TLAN_PHY_MAX_ADDR0x1F, MII_GEN_ID_HI0x02, &hi );
2148
2149	if ( hi != 0xFFFF ) {
2150	priv->phy[0] = TLAN_PHY_MAX_ADDR0x1F;
2151	} else {
2152	priv->phy[0] = TLAN_PHY_NONE0x20;
2153	}
2154
2155	priv->phy[1] = TLAN_PHY_NONE0x20;
2156	for ( phy = 0; phy <= TLAN_PHY_MAX_ADDR0x1F; phy++ ) {
2157	TLan_MiiReadReg( dev, phy, MII_GEN_CTL0x00, &control );
2158	TLan_MiiReadReg( dev, phy, MII_GEN_ID_HI0x02, &hi );
2159	TLan_MiiReadReg( dev, phy, MII_GEN_ID_LO0x03, &lo );
2160	if ( ( control != 0xFFFF ) \|\| ( hi != 0xFFFF ) \|\| ( lo != 0xFFFF ) ) {
2161	TLAN_DBG( TLAN_DEBUG_GNRL, "TLAN: PHY found at %02x %04x %04x %04x\n", phy, control, hi, lo )if (debug&0x0001) printk( "TLAN: PHY found at %02x %04x %04x %04x\n" , phy, control, hi, lo );;
2162	if ( ( priv->phy[1] == TLAN_PHY_NONE0x20 ) && ( phy != TLAN_PHY_MAX_ADDR0x1F ) ) {
2163	priv->phy[1] = phy;
2164	}
2165	}
2166	}
2167
2168	if ( priv->phy[1] != TLAN_PHY_NONE0x20 ) {
2169	priv->phyNum = 1;
2170	} else if ( priv->phy[0] != TLAN_PHY_NONE0x20 ) {
2171	priv->phyNum = 0;
2172	} else {
2173	printk( "TLAN: Cannot initialize device, no PHY was found!\n" );
2174	}
2175
2176	} /* TLan_PhyDetect */
2177
2178
2179
2180
2181	void TLan_PhyPowerDown( struct devicelinux_device *dev )
2182	{
2183	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
2184	u16 value;
2185
2186	TLAN_DBG( TLAN_DEBUG_GNRL, "TLAN: %s: Powering down PHY(s).\n", dev->name )if (debug&0x0001) printk( "TLAN: %s: Powering down PHY(s).\n" , dev->name );;
2187	value = MII_GC_PDOWN0x0800 \| MII_GC_LOOPBK0x4000 \| MII_GC_ISOLATE0x0400;
2188	TLan_MiiSync( dev->base_addr );
2189	TLan_MiiWriteReg( dev, priv->phy[priv->phyNum], MII_GEN_CTL0x00, value );
2190	if ( ( priv->phyNum == 0 ) && ( priv->phy[1] != TLAN_PHY_NONE0x20 ) && ( ! ( priv->adapter->flags & TLAN_ADAPTER_USE_INTERN_100x00000004 ) ) ) {
2191	TLan_MiiSync( dev->base_addr );
2192	TLan_MiiWriteReg( dev, priv->phy[1], MII_GEN_CTL0x00, value );
2193	}
2194
2195	/* Wait for 5 jiffies (50 ms) and powerup
2196	* This is abitrary. It is intended to make sure the
2197	* tranceiver settles.
2198	*/
2199	TLan_SetTimer( dev, 5, TLAN_TIMER_PHY_PUP4 );
2200
2201	} /* TLan_PhyPowerDown */
2202
2203
2204
2205
2206	void TLan_PhyPowerUp( struct devicelinux_device *dev )
2207	{
2208	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
2209	u16 value;
2210
2211	TLAN_DBG( TLAN_DEBUG_GNRL, "TLAN: %s: Powering up PHY.\n", dev->name )if (debug&0x0001) printk( "TLAN: %s: Powering up PHY.\n" , dev->name );;
2212	TLan_MiiSync( dev->base_addr );
2213	value = MII_GC_LOOPBK0x4000;
2214	TLan_MiiWriteReg( dev, priv->phy[priv->phyNum], MII_GEN_CTL0x00, value );
2215
2216	/* Wait for 50 jiffies (500 ms) and reset the
2217	* tranceiver. The TLAN docs say both 50 ms and
2218	* 500 ms, so do the longer, just in case
2219	*/
2220	TLan_SetTimer( dev, 50, TLAN_TIMER_PHY_RESET5 );
2221
2222	} /* TLan_PhyPowerUp */
2223
2224
2225
2226
2227	void TLan_PhyReset( struct devicelinux_device *dev )
2228	{
2229	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
2230	u16 phy;
2231	u16 value;
2232
2233	phy = priv->phy[priv->phyNum];
2234
2235	TLAN_DBG( TLAN_DEBUG_GNRL, "TLAN: %s: Reseting PHY.\n", dev->name )if (debug&0x0001) printk( "TLAN: %s: Reseting PHY.\n", dev ->name );;
2236	TLan_MiiSync( dev->base_addr );
2237	value = MII_GC_LOOPBK0x4000 \| MII_GC_RESET0x8000;
2238	TLan_MiiWriteReg( dev, phy, MII_GEN_CTL0x00, value );
2239	TLan_MiiReadReg( dev, phy, MII_GEN_CTL0x00, &value );
2240	while ( value & MII_GC_RESET0x8000 ) {
2241	TLan_MiiReadReg( dev, phy, MII_GEN_CTL0x00, &value );
2242	}
2243	TLan_MiiWriteReg( dev, phy, MII_GEN_CTL0x00, 0 );
2244
2245	/* Wait for 50 jiffies (500 ms) and initialize.
2246	* I don't remember why I wait this long.
2247	*/
2248	TLan_SetTimer( dev, 50, TLAN_TIMER_PHY_START_LINK6 );
2249
2250	} /* TLan_PhyReset */
2251
2252
2253
2254
2255	void TLan_PhyStartLink( struct devicelinux_device *dev )
2256	{
2257	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
2258	u16 ability;
2259	u16 control;
2260	u16 data;
2261	u16 phy;
2262	u16 status;
2263	u16 tctl;
2264
2265	phy = priv->phy[priv->phyNum];
2266
2267	TLAN_DBG( TLAN_DEBUG_GNRL, "TLAN: %s: Trying to activate link.\n", dev->name )if (debug&0x0001) printk( "TLAN: %s: Trying to activate link.\n" , dev->name );;
2268	TLan_MiiReadReg( dev, phy, MII_GEN_STS0x01, &status );
2269	if ( ( status & MII_GS_AUTONEG0x0008 ) &&
2270	( priv->duplex == TLAN_DUPLEX_DEFAULT0 ) &&
2271	( priv->speed == TLAN_SPEED_DEFAULT0 ) &&
2272	( ! priv->aui ) ) {
2273	ability = status >> 11;
2274
2275	if ( priv->speed == TLAN_SPEED_1010 ) {
2276	ability &= 0x0003;
2277	} else if ( priv->speed == TLAN_SPEED_100100 ) {
2278	ability &= 0x001C;
2279	}
2280
2281	if ( priv->duplex == TLAN_DUPLEX_FULL2 ) {
2282	ability &= 0x000A;
2283	} else if ( priv->duplex == TLAN_DUPLEX_HALF1 ) {
2284	ability &= 0x0005;
2285	}
2286
2287	TLan_MiiWriteReg( dev, phy, MII_AN_ADV0x04, ( ability << 5 ) \| 1 );
2288	TLan_MiiWriteReg( dev, phy, MII_GEN_CTL0x00, 0x1000 );
2289	TLan_MiiWriteReg( dev, phy, MII_GEN_CTL0x00, 0x1200 );
2290
2291	/* Wait for 400 jiffies (4 sec) for autonegotiation
2292	* to complete. The max spec time is less than this
2293	* but the card need additional time to start AN.
2294	* .5 sec should be plenty extra.
2295	*/
2296	printk( "TLAN: %s: Starting autonegotiation.\n", dev->name );
2297	TLan_SetTimer( dev, 400, TLAN_TIMER_PHY_FINISH_AN7 );
2298	return;
2299	}
2300
2301	if ( ( priv->aui ) && ( priv->phyNum != 0 ) ) {
2302	priv->phyNum = 0;
2303	data = TLAN_NET_CFG_1FRAG0x0400 \| TLAN_NET_CFG_1CHAN0x0200 \| TLAN_NET_CFG_PHY_EN0x0080;
2304	TLan_DioWrite16( dev->base_addr, TLAN_NET_CONFIG0x04, data );
2305	TLan_SetTimer( dev, 4, TLAN_TIMER_PHY_PDOWN3 );
2306	return;
2307	} else if ( priv->phyNum == 0 ) {
2308	TLan_MiiReadReg( dev, phy, TLAN_TLPHY_CTL0x11, &tctl );
2309	if ( priv->aui ) {
2310	tctl \|= TLAN_TC_AUISEL0x2000;
2311	} else {
2312	tctl &= ~TLAN_TC_AUISEL0x2000;
2313	control = 0;
2314	if ( priv->duplex == TLAN_DUPLEX_FULL2 ) {
2315	control \|= MII_GC_DUPLEX0x0100;
2316	priv->tlanFullDuplex = TRUE1;
2317	}
2318	if ( priv->speed == TLAN_SPEED_100100 ) {
2319	control \|= MII_GC_SPEEDSEL0x2000;
2320	}
2321	TLan_MiiWriteReg( dev, phy, MII_GEN_CTL0x00, control );
2322	}
2323	TLan_MiiWriteReg( dev, phy, TLAN_TLPHY_CTL0x11, tctl );
2324	}
2325
2326	/* Wait for 100 jiffies (1 sec) to give the tranceiver time
2327	* to establish link.
2328	*/
2329	TLan_SetTimer( dev, 100, TLAN_TIMER_FINISH_RESET8 );
2330
2331	} /* TLan_PhyStartLink */
2332
2333
2334
2335
2336	void TLan_PhyFinishAutoNeg( struct devicelinux_device *dev )
2337	{
2338	TLanPrivateInfo priv = (TLanPrivateInfo ) dev->priv;
2339	u16 an_adv;
2340	u16 an_lpa;
2341	u16 data;
2342	u16 mode;
2343	u16 phy;
2344	u16 status;
2345
2346	phy = priv->phy[priv->phyNum];
2347
2348	TLan_MiiReadReg( dev, phy, MII_GEN_STS0x01, &status );
2349	if ( ! ( status & MII_GS_AUTOCMPLT0x0020 ) ) {
2350	/* Wait for 800 jiffies (8 sec) to give the process
2351	* more time. Perhaps we should fail after a while.
2352	*/
2353	printk( "TLAN: Giving autonegotiation more time.\n" );
2354	TLan_SetTimer( dev, 800, TLAN_TIMER_PHY_FINISH_AN7 );
2355	return;
2356	}
2357
2358	printk( "TLAN: %s: Autonegotiation complete.\n", dev->name );
2359	TLan_MiiReadReg( dev, phy, MII_AN_ADV0x04, &an_adv );
2360	TLan_MiiReadReg( dev, phy, MII_AN_LPA0x05, &an_lpa );
2361	mode = an_adv & an_lpa & 0x03E0;
2362	if ( mode & 0x0100 ) {
2363	priv->tlanFullDuplex = TRUE1;
2364	} else if ( ! ( mode & 0x0080 ) && ( mode & 0x0040 ) ) {
2365	priv->tlanFullDuplex = TRUE1;
2366	}
2367
2368	if ( ( ! ( mode & 0x0180 ) ) && ( priv->adapter->flags & TLAN_ADAPTER_USE_INTERN_100x00000004 ) && ( priv->phyNum != 0 ) ) {
2369	priv->phyNum = 0;
2370	data = TLAN_NET_CFG_1FRAG0x0400 \| TLAN_NET_CFG_1CHAN0x0200 \| TLAN_NET_CFG_PHY_EN0x0080;
2371	TLan_DioWrite16( dev->base_addr, TLAN_NET_CONFIG0x04, data );
2372	TLan_SetTimer( dev, 40, TLAN_TIMER_PHY_PDOWN3 );
2373	return;
2374	}
2375
2376	if ( priv->phyNum == 0 ) {
2377	if ( ( priv->duplex == TLAN_DUPLEX_FULL2 ) \|\| ( an_adv & an_lpa & 0x0040 ) ) {
2378	TLan_MiiWriteReg( dev, phy, MII_GEN_CTL0x00, MII_GC_AUTOENB0x1000 \| MII_GC_DUPLEX0x0100 );
2379	printk( "TLAN: Starting internal PHY with DUPLEX\n" );
2380	} else {
2381	TLan_MiiWriteReg( dev, phy, MII_GEN_CTL0x00, MII_GC_AUTOENB0x1000 );
2382	printk( "TLAN: Starting internal PHY with HALF-DUPLEX\n" );
2383	}
2384	}
2385
2386	/* Wait for 10 jiffies (100 ms). No reason in partiticular.
2387	*/
2388	TLan_SetTimer( dev, 10, TLAN_TIMER_FINISH_RESET8 );
2389
2390	} /* TLan_PhyFinishAutoNeg */
2391
2392
2393
2394
2395	/*****************************************************************************
2396	******************************************************************************
2397
2398	ThunderLAN Driver MII Routines
2399
2400	These routines are based on the information in Chap. 2 of the
2401	"ThunderLAN Programmer's Guide", pp. 15-24.
2402
2403	******************************************************************************
2404	*****************************************************************************/
2405
2406
2407	/***************************************************************
2408	* TLan_MiiReadReg
2409	*
2410	* Returns:
2411	* 0 if ack received ok
2412	* 1 otherwise.
2413	*
2414	* Parms:
2415	* dev The device structure containing
2416	* The io address and interrupt count
2417	* for this device.
2418	* phy The address of the PHY to be queried.
2419	* reg The register whose contents are to be
2420	* retreived.
2421	* val A pointer to a variable to store the
2422	* retrieved value.
2423	*
2424	* This function uses the TLAN's MII bus to retreive the contents
2425	* of a given register on a PHY. It sends the appropriate info
2426	* and then reads the 16-bit register value from the MII bus via
2427	* the TLAN SIO register.
2428	*
2429	**************************************************************/
2430
2431	int TLan_MiiReadReg( struct devicelinux_device dev, u16 phy, u16 reg, u16 val )
2432	{
2433	u8 nack;
2434	u16 sio, tmp;
2435	u32 i;
2436	int err;
2437	int minten;
2438
2439	err = FALSE0;
2440	outw(TLAN_NET_SIO, dev->base_addr + TLAN_DIO_ADR)((__builtin_constant_p((dev->base_addr + 0x08)) && (dev->base_addr + 0x08) < 256) ? __outwc((0x01),(dev-> base_addr + 0x08)) : __outw((0x01),(dev->base_addr + 0x08) ));
2441	sio = dev->base_addr + TLAN_DIO_DATA0x0C + TLAN_NET_SIO0x01;
2442
2443	if ( dev->interrupt == 0 )
2444	cli()__asm__ __volatile__ ("cli": : :"memory");
2445	dev->interrupt++;
2446
2447	TLan_MiiSync(dev->base_addr);
2448
2449	minten = TLan_GetBit( TLAN_NET_SIO_MINTEN, sio )((int) (((__builtin_constant_p((sio)) && (sio) < 256 ) ? __inbc_p(sio) : __inb_p(sio)) & 0x80));
2450	if ( minten )
2451	TLan_ClearBit(TLAN_NET_SIO_MINTEN, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x80),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x80),(sio)));
2452
2453	TLan_MiiSendData( dev->base_addr, 0x1, 2 ); /* Start ( 01b ) */
2454	TLan_MiiSendData( dev->base_addr, 0x2, 2 ); /* Read ( 10b ) */
2455	TLan_MiiSendData( dev->base_addr, phy, 5 ); /* Device # */
2456	TLan_MiiSendData( dev->base_addr, reg, 5 ); /* Register # */
2457
2458
2459	TLan_ClearBit(TLAN_NET_SIO_MTXEN, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x02),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x02),(sio))); /* Change direction */
2460
2461	TLan_ClearBit(TLAN_NET_SIO_MCLK, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x04),(sio))); /* Clock Idle bit */
2462	TLan_SetBit(TLAN_NET_SIO_MCLK, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x04),(sio)));
2463	TLan_ClearBit(TLAN_NET_SIO_MCLK, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x04),(sio))); /* Wait 300ns */
2464
2465	nack = TLan_GetBit(TLAN_NET_SIO_MDATA, sio)((int) (((__builtin_constant_p((sio)) && (sio) < 256 ) ? __inbc_p(sio) : __inb_p(sio)) & 0x01)); /* Check for ACK */
2466	TLan_SetBit(TLAN_NET_SIO_MCLK, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x04),(sio))); /* Finish ACK */
2467	if (nack) { /* No ACK, so fake it */
2468	for (i = 0; i < 16; i++) {
2469	TLan_ClearBit(TLAN_NET_SIO_MCLK, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x04),(sio)));
2470	TLan_SetBit(TLAN_NET_SIO_MCLK, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x04),(sio)));
2471	}
2472	tmp = 0xffff;
2473	err = TRUE1;
2474	} else { /* ACK, so read data */
2475	for (tmp = 0, i = 0x8000; i; i >>= 1) {
2476	TLan_ClearBit(TLAN_NET_SIO_MCLK, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x04),(sio)));
2477	if (TLan_GetBit(TLAN_NET_SIO_MDATA, sio)((int) (((__builtin_constant_p((sio)) && (sio) < 256 ) ? __inbc_p(sio) : __inb_p(sio)) & 0x01)))
2478	tmp \|= i;
2479	TLan_SetBit(TLAN_NET_SIO_MCLK, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x04),(sio)));
2480	}
2481	}
2482
2483
2484	TLan_ClearBit(TLAN_NET_SIO_MCLK, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x04),(sio))); /* Idle cycle */
2485	TLan_SetBit(TLAN_NET_SIO_MCLK, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x04),(sio)));
2486
2487	if ( minten )
2488	TLan_SetBit(TLAN_NET_SIO_MINTEN, sio)((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x80),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x80),(sio)));
2489
2490	*val = tmp;
2491
2492	dev->interrupt--;
2493	if ( dev->interrupt == 0 )
2494	sti()__asm__ __volatile__ ("sti": : :"memory");
2495
2496	return err;
2497
2498	} /* TLan_MiiReadReg */
2499
2500
2501
2502
2503	/***************************************************************
2504	* TLan_MiiSendData
2505	*
2506	* Returns:
2507	* Nothing
2508	* Parms:
2509	* base_port The base IO port of the adapter in
2510	* question.
2511	* dev The address of the PHY to be queried.
2512	* data The value to be placed on the MII bus.
2513	* num_bits The number of bits in data that are to
2514	* be placed on the MII bus.
2515	*
2516	* This function sends on sequence of bits on the MII
2517	* configuration bus.
2518	*
2519	**************************************************************/
2520
2521	void TLan_MiiSendData( u16 base_port, u32 data, unsigned num_bits )
2522	{
2523	u16 sio;
2524	u32 i;
2525
2526	if ( num_bits == 0 )
2527	return;
2528
2529	outw( TLAN_NET_SIO, base_port + TLAN_DIO_ADR )((__builtin_constant_p((base_port + 0x08)) && (base_port + 0x08) < 256) ? __outwc((0x01),(base_port + 0x08)) : __outw ((0x01),(base_port + 0x08)));
2530	sio = base_port + TLAN_DIO_DATA0x0C + TLAN_NET_SIO0x01;
2531	TLan_SetBit( TLAN_NET_SIO_MTXEN, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x02),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x02),(sio)));
2532
2533	for ( i = ( 0x1 << ( num_bits - 1 ) ); i; i >>= 1 ) {
2534	TLan_ClearBit( TLAN_NET_SIO_MCLK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x04),(sio)));
2535	TLan_GetBit( TLAN_NET_SIO_MCLK, sio )((int) (((__builtin_constant_p((sio)) && (sio) < 256 ) ? __inbc_p(sio) : __inb_p(sio)) & 0x04));
2536	if ( data & i )
2537	TLan_SetBit( TLAN_NET_SIO_MDATA, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x01),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x01),(sio)));
2538	else
2539	TLan_ClearBit( TLAN_NET_SIO_MDATA, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x01),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x01),(sio)));
2540	TLan_SetBit( TLAN_NET_SIO_MCLK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x04),(sio)));
2541	TLan_GetBit( TLAN_NET_SIO_MCLK, sio )((int) (((__builtin_constant_p((sio)) && (sio) < 256 ) ? __inbc_p(sio) : __inb_p(sio)) & 0x04));
2542	}
2543
2544	} /* TLan_MiiSendData */
2545
2546
2547
2548
2549	/***************************************************************
2550	* TLan_MiiSync
2551	*
2552	* Returns:
2553	* Nothing
2554	* Parms:
2555	* base_port The base IO port of the adapter in
2556	* question.
2557	*
2558	* This functions syncs all PHYs in terms of the MII configuration
2559	* bus.
2560	*
2561	**************************************************************/
2562
2563	void TLan_MiiSync( u16 base_port )
2564	{
2565	int i;
2566	u16 sio;
2567
2568	outw( TLAN_NET_SIO, base_port + TLAN_DIO_ADR )((__builtin_constant_p((base_port + 0x08)) && (base_port + 0x08) < 256) ? __outwc((0x01),(base_port + 0x08)) : __outw ((0x01),(base_port + 0x08)));
2569	sio = base_port + TLAN_DIO_DATA0x0C + TLAN_NET_SIO0x01;
2570
2571	TLan_ClearBit( TLAN_NET_SIO_MTXEN, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x02),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x02),(sio)));
2572	for ( i = 0; i < 32; i++ ) {
2573	TLan_ClearBit( TLAN_NET_SIO_MCLK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x04),(sio)));
2574	TLan_SetBit( TLAN_NET_SIO_MCLK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x04),(sio)));
2575	}
2576
2577	} /* TLan_MiiSync */
2578
2579
2580
2581
2582	/***************************************************************
2583	* TLan_MiiWriteReg
2584	*
2585	* Returns:
2586	* Nothing
2587	* Parms:
2588	* dev The device structure for the device
2589	* to write to.
2590	* phy The address of the PHY to be written to.
2591	* reg The register whose contents are to be
2592	* written.
2593	* val The value to be written to the register.
2594	*
2595	* This function uses the TLAN's MII bus to write the contents of a
2596	* given register on a PHY. It sends the appropriate info and then
2597	* writes the 16-bit register value from the MII configuration bus
2598	* via the TLAN SIO register.
2599	*
2600	**************************************************************/
2601
2602	void TLan_MiiWriteReg( struct devicelinux_device *dev, u16 phy, u16 reg, u16 val )
2603	{
2604	u16 sio;
2605	int minten;
2606
2607	outw(TLAN_NET_SIO, dev->base_addr + TLAN_DIO_ADR)((__builtin_constant_p((dev->base_addr + 0x08)) && (dev->base_addr + 0x08) < 256) ? __outwc((0x01),(dev-> base_addr + 0x08)) : __outw((0x01),(dev->base_addr + 0x08) ));
2608	sio = dev->base_addr + TLAN_DIO_DATA0x0C + TLAN_NET_SIO0x01;
2609
2610	if ( dev->interrupt == 0 )
2611	cli()__asm__ __volatile__ ("cli": : :"memory");
2612	dev->interrupt++;
2613
2614	TLan_MiiSync( dev->base_addr );
2615
2616	minten = TLan_GetBit( TLAN_NET_SIO_MINTEN, sio )((int) (((__builtin_constant_p((sio)) && (sio) < 256 ) ? __inbc_p(sio) : __inb_p(sio)) & 0x80));
2617	if ( minten )
2618	TLan_ClearBit( TLAN_NET_SIO_MINTEN, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x80),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x80),(sio)));
2619
2620	TLan_MiiSendData( dev->base_addr, 0x1, 2 ); /* Start ( 01b ) */
2621	TLan_MiiSendData( dev->base_addr, 0x1, 2 ); /* Write ( 01b ) */
2622	TLan_MiiSendData( dev->base_addr, phy, 5 ); /* Device # */
2623	TLan_MiiSendData( dev->base_addr, reg, 5 ); /* Register # */
2624
2625	TLan_MiiSendData( dev->base_addr, 0x2, 2 ); /* Send ACK */
2626	TLan_MiiSendData( dev->base_addr, val, 16 ); /* Send Data */
2627
2628	TLan_ClearBit( TLAN_NET_SIO_MCLK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x04),(sio))); /* Idle cycle */
2629	TLan_SetBit( TLAN_NET_SIO_MCLK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x04),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x04),(sio)));
2630
2631	if ( minten )
2632	TLan_SetBit( TLAN_NET_SIO_MINTEN, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x80),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x80),(sio)));
2633
2634	dev->interrupt--;
2635	if ( dev->interrupt == 0 )
2636	sti()__asm__ __volatile__ ("sti": : :"memory");
2637
2638	} /* TLan_MiiWriteReg */
2639
2640
2641
2642
2643	/*****************************************************************************
2644	******************************************************************************
2645
2646	ThunderLAN Driver Eeprom routines
2647
2648	The Compaq Netelligent 10 and 10/100 cards use a Microchip 24C02A
2649	EEPROM. These functions are based on information in Microchip's
2650	data sheet. I don't know how well this functions will work with
2651	other EEPROMs.
2652
2653	******************************************************************************
2654	*****************************************************************************/
2655
2656
2657	/***************************************************************
2658	* TLan_EeSendStart
2659	*
2660	* Returns:
2661	* Nothing
2662	* Parms:
2663	* io_base The IO port base address for the
2664	* TLAN device with the EEPROM to
2665	* use.
2666	*
2667	* This function sends a start cycle to an EEPROM attached
2668	* to a TLAN chip.
2669	*
2670	**************************************************************/
2671
2672	void TLan_EeSendStart( u16 io_base )
2673	{
2674	u16 sio;
2675
2676	outw( TLAN_NET_SIO, io_base + TLAN_DIO_ADR )((__builtin_constant_p((io_base + 0x08)) && (io_base + 0x08) < 256) ? __outwc((0x01),(io_base + 0x08)) : __outw( (0x01),(io_base + 0x08)));
2677	sio = io_base + TLAN_DIO_DATA0x0C + TLAN_NET_SIO0x01;
2678
2679	TLan_SetBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x40),(sio)));
2680	TLan_SetBit( TLAN_NET_SIO_EDATA, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x10),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x10),(sio)));
2681	TLan_SetBit( TLAN_NET_SIO_ETXEN, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x20),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x20),(sio)));
2682	TLan_ClearBit( TLAN_NET_SIO_EDATA, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x10),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x10),(sio)));
2683	TLan_ClearBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x40),(sio)));
2684
2685	} /* TLan_EeSendStart */
2686
2687
2688
2689
2690	/***************************************************************
2691	* TLan_EeSendByte
2692	*
2693	* Returns:
2694	* If the correct ack was received, 0, otherwise 1
2695	* Parms: io_base The IO port base address for the
2696	* TLAN device with the EEPROM to
2697	* use.
2698	* data The 8 bits of information to
2699	* send to the EEPROM.
2700	* stop If TLAN_EEPROM_STOP is passed, a
2701	* stop cycle is sent after the
2702	* byte is sent after the ack is
2703	* read.
2704	*
2705	* This function sends a byte on the serial EEPROM line,
2706	* driving the clock to send each bit. The function then
2707	* reverses transmission direction and reads an acknowledge
2708	* bit.
2709	*
2710	**************************************************************/
2711
2712	int TLan_EeSendByte( u16 io_base, u8 data, int stop )
2713	{
2714	int err;
2715	u8 place;
2716	u16 sio;
2717
2718	outw( TLAN_NET_SIO, io_base + TLAN_DIO_ADR )((__builtin_constant_p((io_base + 0x08)) && (io_base + 0x08) < 256) ? __outwc((0x01),(io_base + 0x08)) : __outw( (0x01),(io_base + 0x08)));
2719	sio = io_base + TLAN_DIO_DATA0x0C + TLAN_NET_SIO0x01;
2720
2721	/* Assume clock is low, tx is enabled; */
2722	for ( place = 0x80; place != 0; place >>= 1 ) {
2723	if ( place & data )
2724	TLan_SetBit( TLAN_NET_SIO_EDATA, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x10),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x10),(sio)));
2725	else
2726	TLan_ClearBit( TLAN_NET_SIO_EDATA, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x10),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x10),(sio)));
2727	TLan_SetBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x40),(sio)));
2728	TLan_ClearBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x40),(sio)));
2729	}
2730	TLan_ClearBit( TLAN_NET_SIO_ETXEN, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x20),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x20),(sio)));
2731	TLan_SetBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x40),(sio)));
2732	err = TLan_GetBit( TLAN_NET_SIO_EDATA, sio )((int) (((__builtin_constant_p((sio)) && (sio) < 256 ) ? __inbc_p(sio) : __inb_p(sio)) & 0x10));
2733	TLan_ClearBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x40),(sio)));
2734	TLan_SetBit( TLAN_NET_SIO_ETXEN, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x20),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x20),(sio)));
2735
2736	if ( ( ! err ) && stop ) {
2737	TLan_ClearBit( TLAN_NET_SIO_EDATA, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x10),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x10),(sio))); /* STOP, raise data while clock is high */
2738	TLan_SetBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x40),(sio)));
2739	TLan_SetBit( TLAN_NET_SIO_EDATA, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x10),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x10),(sio)));
2740	}
2741
2742	return ( err );
2743
2744	} /* TLan_EeSendByte */
2745
2746
2747
2748
2749	/***************************************************************
2750	* TLan_EeReceiveByte
2751	*
2752	* Returns:
2753	* Nothing
2754	* Parms:
2755	* io_base The IO port base address for the
2756	* TLAN device with the EEPROM to
2757	* use.
2758	* data An address to a char to hold the
2759	* data sent from the EEPROM.
2760	* stop If TLAN_EEPROM_STOP is passed, a
2761	* stop cycle is sent after the
2762	* byte is received, and no ack is
2763	* sent.
2764	*
2765	* This function receives 8 bits of data from the EEPROM
2766	* over the serial link. It then sends and ack bit, or no
2767	* ack and a stop bit. This function is used to retrieve
2768	* data after the address of a byte in the EEPROM has been
2769	* sent.
2770	*
2771	**************************************************************/
2772
2773	void TLan_EeReceiveByte( u16 io_base, u8 *data, int stop )
2774	{
2775	u8 place;
2776	u16 sio;
2777
2778	outw( TLAN_NET_SIO, io_base + TLAN_DIO_ADR )((__builtin_constant_p((io_base + 0x08)) && (io_base + 0x08) < 256) ? __outwc((0x01),(io_base + 0x08)) : __outw( (0x01),(io_base + 0x08)));
2779	sio = io_base + TLAN_DIO_DATA0x0C + TLAN_NET_SIO0x01;
2780	*data = 0;
2781
2782	/* Assume clock is low, tx is enabled; */
2783	TLan_ClearBit( TLAN_NET_SIO_ETXEN, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x20),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x20),(sio)));
2784	for ( place = 0x80; place; place >>= 1 ) {
2785	TLan_SetBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x40),(sio)));
2786	if ( TLan_GetBit( TLAN_NET_SIO_EDATA, sio )((int) (((__builtin_constant_p((sio)) && (sio) < 256 ) ? __inbc_p(sio) : __inb_p(sio)) & 0x10)) )
2787	*data \|= place;
2788	TLan_ClearBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x40),(sio)));
2789	}
2790
2791	TLan_SetBit( TLAN_NET_SIO_ETXEN, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x20),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x20),(sio)));
2792	if ( ! stop ) {
2793	TLan_ClearBit( TLAN_NET_SIO_EDATA, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x10),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x10),(sio))); /* Ack = 0 */
2794	TLan_SetBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x40),(sio)));
2795	TLan_ClearBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x40),(sio)));
2796	} else {
2797	TLan_SetBit( TLAN_NET_SIO_EDATA, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x10),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x10),(sio))); /* No ack = 1 (?) */
2798	TLan_SetBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x40),(sio)));
2799	TLan_ClearBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x40),(sio)));
2800	TLan_ClearBit( TLAN_NET_SIO_EDATA, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) & ~0x10),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) & ~0x10),(sio))); /* STOP, raise data while clock is high */
2801	TLan_SetBit( TLAN_NET_SIO_ECLOK, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x40),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x40),(sio)));
2802	TLan_SetBit( TLAN_NET_SIO_EDATA, sio )((__builtin_constant_p((sio)) && (sio) < 256) ? __outbc_p ((((__builtin_constant_p((sio)) && (sio) < 256) ? __inbc_p (sio) : __inb_p(sio)) \| 0x10),(sio)) : __outb_p((((__builtin_constant_p ((sio)) && (sio) < 256) ? __inbc_p(sio) : __inb_p( sio)) \| 0x10),(sio)));
2803	}
2804
2805	} /* TLan_EeReceiveByte */
2806
2807
2808
2809
2810	/***************************************************************
2811	* TLan_EeReadByte
2812	*
2813	* Returns:
2814	* No error = 0, else, the stage at which the error
2815	* occured.
2816	* Parms:
2817	* io_base The IO port base address for the
2818	* TLAN device with the EEPROM to
2819	* use.
2820	* ee_addr The address of the byte in the
2821	* EEPROM whose contents are to be
2822	* retrieved.
2823	* data An address to a char to hold the
2824	* data obtained from the EEPROM.
2825	*
2826	* This function reads a byte of information from an byte
2827	* cell in the EEPROM.
2828	*
2829	**************************************************************/
2830
2831	int TLan_EeReadByte( struct devicelinux_device dev, u8 ee_addr, u8 data )
2832	{
2833	int err;
2834
2835	if ( dev->interrupt == 0 )
2836	cli()__asm__ __volatile__ ("cli": : :"memory");
2837	dev->interrupt++;
2838
2839	TLan_EeSendStart( dev->base_addr );
2840	err = TLan_EeSendByte( dev->base_addr, 0xA0, TLAN_EEPROM_ACK0 );
2841	if (err)
2842	return 1;
2843	err = TLan_EeSendByte( dev->base_addr, ee_addr, TLAN_EEPROM_ACK0 );
2844	if (err)
2845	return 2;
2846	TLan_EeSendStart( dev->base_addr );
2847	err = TLan_EeSendByte( dev->base_addr, 0xA1, TLAN_EEPROM_ACK0 );
2848	if (err)
2849	return 3;
2850	TLan_EeReceiveByte( dev->base_addr, data, TLAN_EEPROM_STOP1 );
2851
2852	dev->interrupt--;
2853	if ( dev->interrupt == 0 )
2854	sti()__asm__ __volatile__ ("sti": : :"memory");
2855
2856	return 0;
2857
2858	} /* TLan_EeReadByte */
2859
2860
2861
2862
2863