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IB/ipath: add new minor device to allow sending of diag packets
[linux-2.6/x86.git] / drivers / net / smc91x.h
blob7aa7fbac8224a385f91c8fd696daeab35d1aba58
1 /*------------------------------------------------------------------------
2 . smc91x.h - macros for SMSC's 91C9x/91C1xx single-chip Ethernet device.
3 .
4 . Copyright (C) 1996 by Erik Stahlman
5 . Copyright (C) 2001 Standard Microsystems Corporation
6 . Developed by Simple Network Magic Corporation
7 . Copyright (C) 2003 Monta Vista Software, Inc.
8 . Unified SMC91x driver by Nicolas Pitre
9 .
10 . This program is free software; you can redistribute it and/or modify
11 . it under the terms of the GNU General Public License as published by
12 . the Free Software Foundation; either version 2 of the License, or
13 . (at your option) any later version.
14 .
15 . This program is distributed in the hope that it will be useful,
16 . but WITHOUT ANY WARRANTY; without even the implied warranty of
17 . MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 . GNU General Public License for more details.
19 .
20 . You should have received a copy of the GNU General Public License
21 . along with this program; if not, write to the Free Software
22 . Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 .
24 . Information contained in this file was obtained from the LAN91C111
25 . manual from SMC. To get a copy, if you really want one, you can find
26 . information under www.smsc.com.
27 .
28 . Authors
29 . Erik Stahlman <erik@vt.edu>
30 . Daris A Nevil <dnevil@snmc.com>
31 . Nicolas Pitre <nico@cam.org>
32 .
33 ---------------------------------------------------------------------------*/
34 #ifndef _SMC91X_H_
35 #define _SMC91X_H_
36
37
38 /*
39 * Define your architecture specific bus configuration parameters here.
40 */
41
42 #if defined(CONFIG_ARCH_LUBBOCK)
43
44 /* We can only do 16-bit reads and writes in the static memory space. */
45 #define SMC_CAN_USE_8BIT 0
46 #define SMC_CAN_USE_16BIT 1
47 #define SMC_CAN_USE_32BIT 0
48 #define SMC_NOWAIT 1
49
50 /* The first two address lines aren't connected... */
51 #define SMC_IO_SHIFT 2
52
53 #define SMC_inw(a, r) readw((a) + (r))
54 #define SMC_outw(v, a, r) writew(v, (a) + (r))
55 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
56 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
57
58 #elif defined(CONFIG_REDWOOD_5) || defined(CONFIG_REDWOOD_6)
59
60 /* We can only do 16-bit reads and writes in the static memory space. */
61 #define SMC_CAN_USE_8BIT 0
62 #define SMC_CAN_USE_16BIT 1
63 #define SMC_CAN_USE_32BIT 0
64 #define SMC_NOWAIT 1
65
66 #define SMC_IO_SHIFT 0
67
68 #define SMC_inw(a, r) in_be16((volatile u16 *)((a) + (r)))
69 #define SMC_outw(v, a, r) out_be16((volatile u16 *)((a) + (r)), v)
70 #define SMC_insw(a, r, p, l) \
71 do { \
72 unsigned long __port = (a) + (r); \
73 u16 *__p = (u16 *)(p); \
74 int __l = (l); \
75 insw(__port, __p, __l); \
76 while (__l > 0) { \
77 *__p = swab16(*__p); \
78 __p++; \
79 __l--; \
80 } \
81 } while (0)
82 #define SMC_outsw(a, r, p, l) \
83 do { \
84 unsigned long __port = (a) + (r); \
85 u16 *__p = (u16 *)(p); \
86 int __l = (l); \
87 while (__l > 0) { \
88 /* Believe it or not, the swab isn't needed. */ \
89 outw( /* swab16 */ (*__p++), __port); \
90 __l--; \
91 } \
92 } while (0)
93 #define SMC_IRQ_FLAGS (0)
94
95 #elif defined(CONFIG_SA1100_PLEB)
96 /* We can only do 16-bit reads and writes in the static memory space. */
97 #define SMC_CAN_USE_8BIT 1
98 #define SMC_CAN_USE_16BIT 1
99 #define SMC_CAN_USE_32BIT 0
100 #define SMC_IO_SHIFT 0
101 #define SMC_NOWAIT 1
102
103 #define SMC_inb(a, r) readb((a) + (r))
104 #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
105 #define SMC_inw(a, r) readw((a) + (r))
106 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
107 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
108 #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
109 #define SMC_outw(v, a, r) writew(v, (a) + (r))
110 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
111
112 #define SMC_IRQ_FLAGS (0)
113
114 #elif defined(CONFIG_SA1100_ASSABET)
115
116 #include <asm/arch/neponset.h>
117
118 /* We can only do 8-bit reads and writes in the static memory space. */
119 #define SMC_CAN_USE_8BIT 1
120 #define SMC_CAN_USE_16BIT 0
121 #define SMC_CAN_USE_32BIT 0
122 #define SMC_NOWAIT 1
123
124 /* The first two address lines aren't connected... */
125 #define SMC_IO_SHIFT 2
126
127 #define SMC_inb(a, r) readb((a) + (r))
128 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
129 #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l))
130 #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l))
131
132 #elif defined(CONFIG_MACH_LOGICPD_PXA270)
133
134 #define SMC_CAN_USE_8BIT 0
135 #define SMC_CAN_USE_16BIT 1
136 #define SMC_CAN_USE_32BIT 0
137 #define SMC_IO_SHIFT 0
138 #define SMC_NOWAIT 1
139
140 #define SMC_inw(a, r) readw((a) + (r))
141 #define SMC_outw(v, a, r) writew(v, (a) + (r))
142 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
143 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
144
145 #elif defined(CONFIG_ARCH_INNOKOM) || \
146 defined(CONFIG_MACH_MAINSTONE) || \
147 defined(CONFIG_ARCH_PXA_IDP) || \
148 defined(CONFIG_ARCH_RAMSES)
149
150 #define SMC_CAN_USE_8BIT 1
151 #define SMC_CAN_USE_16BIT 1
152 #define SMC_CAN_USE_32BIT 1
153 #define SMC_IO_SHIFT 0
154 #define SMC_NOWAIT 1
155 #define SMC_USE_PXA_DMA 1
156
157 #define SMC_inb(a, r) readb((a) + (r))
158 #define SMC_inw(a, r) readw((a) + (r))
159 #define SMC_inl(a, r) readl((a) + (r))
160 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
161 #define SMC_outl(v, a, r) writel(v, (a) + (r))
162 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
163 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
164
165 /* We actually can't write halfwords properly if not word aligned */
166 static inline void
167 SMC_outw(u16 val, void __iomem *ioaddr, int reg)
168 {
169 if (reg & 2) {
170 unsigned int v = val << 16;
171 v |= readl(ioaddr + (reg & ~2)) & 0xffff;
172 writel(v, ioaddr + (reg & ~2));
173 } else {
174 writew(val, ioaddr + reg);
175 }
176 }
177
178 #elif defined(CONFIG_ARCH_OMAP)
179
180 /* We can only do 16-bit reads and writes in the static memory space. */
181 #define SMC_CAN_USE_8BIT 0
182 #define SMC_CAN_USE_16BIT 1
183 #define SMC_CAN_USE_32BIT 0
184 #define SMC_IO_SHIFT 0
185 #define SMC_NOWAIT 1
186
187 #define SMC_inw(a, r) readw((a) + (r))
188 #define SMC_outw(v, a, r) writew(v, (a) + (r))
189 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
190 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
191
192 #include <asm/mach-types.h>
193 #include <asm/arch/cpu.h>
194
195 #define SMC_IRQ_FLAGS (( \
196 machine_is_omap_h2() \
197 || machine_is_omap_h3() \
198 || (machine_is_omap_innovator() && !cpu_is_omap1510()) \
199 ) ? IRQF_TRIGGER_FALLING : IRQF_TRIGGER_RISING)
200
201
202 #elif defined(CONFIG_SH_SH4202_MICRODEV)
203
204 #define SMC_CAN_USE_8BIT 0
205 #define SMC_CAN_USE_16BIT 1
206 #define SMC_CAN_USE_32BIT 0
207
208 #define SMC_inb(a, r) inb((a) + (r) - 0xa0000000)
209 #define SMC_inw(a, r) inw((a) + (r) - 0xa0000000)
210 #define SMC_inl(a, r) inl((a) + (r) - 0xa0000000)
211 #define SMC_outb(v, a, r) outb(v, (a) + (r) - 0xa0000000)
212 #define SMC_outw(v, a, r) outw(v, (a) + (r) - 0xa0000000)
213 #define SMC_outl(v, a, r) outl(v, (a) + (r) - 0xa0000000)
214 #define SMC_insl(a, r, p, l) insl((a) + (r) - 0xa0000000, p, l)
215 #define SMC_outsl(a, r, p, l) outsl((a) + (r) - 0xa0000000, p, l)
216 #define SMC_insw(a, r, p, l) insw((a) + (r) - 0xa0000000, p, l)
217 #define SMC_outsw(a, r, p, l) outsw((a) + (r) - 0xa0000000, p, l)
218
219 #define SMC_IRQ_FLAGS (0)
220
221 #elif defined(CONFIG_ISA)
222
223 #define SMC_CAN_USE_8BIT 1
224 #define SMC_CAN_USE_16BIT 1
225 #define SMC_CAN_USE_32BIT 0
226
227 #define SMC_inb(a, r) inb((a) + (r))
228 #define SMC_inw(a, r) inw((a) + (r))
229 #define SMC_outb(v, a, r) outb(v, (a) + (r))
230 #define SMC_outw(v, a, r) outw(v, (a) + (r))
231 #define SMC_insw(a, r, p, l) insw((a) + (r), p, l)
232 #define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l)
233
234 #elif defined(CONFIG_M32R)
235
236 #define SMC_CAN_USE_8BIT 0
237 #define SMC_CAN_USE_16BIT 1
238 #define SMC_CAN_USE_32BIT 0
239
240 #define SMC_inb(a, r) inb((u32)a) + (r))
241 #define SMC_inw(a, r) inw(((u32)a) + (r))
242 #define SMC_outb(v, a, r) outb(v, ((u32)a) + (r))
243 #define SMC_outw(v, a, r) outw(v, ((u32)a) + (r))
244 #define SMC_insw(a, r, p, l) insw(((u32)a) + (r), p, l)
245 #define SMC_outsw(a, r, p, l) outsw(((u32)a) + (r), p, l)
246
247 #define SMC_IRQ_FLAGS (0)
248
249 #define RPC_LSA_DEFAULT RPC_LED_TX_RX
250 #define RPC_LSB_DEFAULT RPC_LED_100_10
251
252 #elif defined(CONFIG_MACH_LPD79520) \
253 || defined(CONFIG_MACH_LPD7A400) \
254 || defined(CONFIG_MACH_LPD7A404)
255
256 /* The LPD7X_IOBARRIER is necessary to overcome a mismatch between the
257 * way that the CPU handles chip selects and the way that the SMC chip
258 * expects the chip select to operate. Refer to
259 * Documentation/arm/Sharp-LH/IOBarrier for details. The read from
260 * IOBARRIER is a byte, in order that we read the least-common
261 * denominator. It would be wasteful to read 32 bits from an 8-bit
262 * accessible region.
263 *
264 * There is no explicit protection against interrupts intervening
265 * between the writew and the IOBARRIER. In SMC ISR there is a
266 * preamble that performs an IOBARRIER in the extremely unlikely event
267 * that the driver interrupts itself between a writew to the chip an
268 * the IOBARRIER that follows *and* the cache is large enough that the
269 * first off-chip access while handing the interrupt is to the SMC
270 * chip. Other devices in the same address space as the SMC chip must
271 * be aware of the potential for trouble and perform a similar
272 * IOBARRIER on entry to their ISR.
273 */
274
275 #include <asm/arch/constants.h> /* IOBARRIER_VIRT */
276
277 #define SMC_CAN_USE_8BIT 0
278 #define SMC_CAN_USE_16BIT 1
279 #define SMC_CAN_USE_32BIT 0
280 #define SMC_NOWAIT 0
281 #define LPD7X_IOBARRIER readb (IOBARRIER_VIRT)
282
283 #define SMC_inw(a,r)\
284 ({ unsigned short v = readw ((void*) ((a) + (r))); LPD7X_IOBARRIER; v; })
285 #define SMC_outw(v,a,r) ({ writew ((v), (a) + (r)); LPD7X_IOBARRIER; })
286
287 #define SMC_insw LPD7_SMC_insw
288 static inline void LPD7_SMC_insw (unsigned char* a, int r,
289 unsigned char* p, int l)
290 {
291 unsigned short* ps = (unsigned short*) p;
292 while (l-- > 0) {
293 *ps++ = readw (a + r);
294 LPD7X_IOBARRIER;
295 }
296 }
297
298 #define SMC_outsw LPD7_SMC_outsw
299 static inline void LPD7_SMC_outsw (unsigned char* a, int r,
300 unsigned char* p, int l)
301 {
302 unsigned short* ps = (unsigned short*) p;
303 while (l-- > 0) {
304 writew (*ps++, a + r);
305 LPD7X_IOBARRIER;
306 }
307 }
308
309 #define SMC_INTERRUPT_PREAMBLE LPD7X_IOBARRIER
310
311 #define RPC_LSA_DEFAULT RPC_LED_TX_RX
312 #define RPC_LSB_DEFAULT RPC_LED_100_10
313
314 #elif defined(CONFIG_SOC_AU1X00)
315
316 #include <au1xxx.h>
317
318 /* We can only do 16-bit reads and writes in the static memory space. */
319 #define SMC_CAN_USE_8BIT 0
320 #define SMC_CAN_USE_16BIT 1
321 #define SMC_CAN_USE_32BIT 0
322 #define SMC_IO_SHIFT 0
323 #define SMC_NOWAIT 1
324
325 #define SMC_inw(a, r) au_readw((unsigned long)((a) + (r)))
326 #define SMC_insw(a, r, p, l) \
327 do { \
328 unsigned long _a = (unsigned long)((a) + (r)); \
329 int _l = (l); \
330 u16 *_p = (u16 *)(p); \
331 while (_l-- > 0) \
332 *_p++ = au_readw(_a); \
333 } while(0)
334 #define SMC_outw(v, a, r) au_writew(v, (unsigned long)((a) + (r)))
335 #define SMC_outsw(a, r, p, l) \
336 do { \
337 unsigned long _a = (unsigned long)((a) + (r)); \
338 int _l = (l); \
339 const u16 *_p = (const u16 *)(p); \
340 while (_l-- > 0) \
341 au_writew(*_p++ , _a); \
342 } while(0)
343
344 #define SMC_IRQ_FLAGS (0)
345
346 #elif defined(CONFIG_ARCH_VERSATILE)
347
348 #define SMC_CAN_USE_8BIT 1
349 #define SMC_CAN_USE_16BIT 1
350 #define SMC_CAN_USE_32BIT 1
351 #define SMC_NOWAIT 1
352
353 #define SMC_inb(a, r) readb((a) + (r))
354 #define SMC_inw(a, r) readw((a) + (r))
355 #define SMC_inl(a, r) readl((a) + (r))
356 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
357 #define SMC_outw(v, a, r) writew(v, (a) + (r))
358 #define SMC_outl(v, a, r) writel(v, (a) + (r))
359 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
360 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
361
362 #define SMC_IRQ_FLAGS (0)
363
364 #elif defined(CONFIG_ARCH_VERSATILE)
365
366 #define SMC_CAN_USE_8BIT 1
367 #define SMC_CAN_USE_16BIT 1
368 #define SMC_CAN_USE_32BIT 1
369 #define SMC_NOWAIT 1
370
371 #define SMC_inb(a, r) readb((a) + (r))
372 #define SMC_inw(a, r) readw((a) + (r))
373 #define SMC_inl(a, r) readl((a) + (r))
374 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
375 #define SMC_outw(v, a, r) writew(v, (a) + (r))
376 #define SMC_outl(v, a, r) writel(v, (a) + (r))
377 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
378 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
379
380 #define SMC_IRQ_FLAGS (0)
381
382 #else
383
384 #define SMC_CAN_USE_8BIT 1
385 #define SMC_CAN_USE_16BIT 1
386 #define SMC_CAN_USE_32BIT 1
387 #define SMC_NOWAIT 1
388
389 #define SMC_inb(a, r) readb((a) + (r))
390 #define SMC_inw(a, r) readw((a) + (r))
391 #define SMC_inl(a, r) readl((a) + (r))
392 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
393 #define SMC_outw(v, a, r) writew(v, (a) + (r))
394 #define SMC_outl(v, a, r) writel(v, (a) + (r))
395 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
396 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
397
398 #define RPC_LSA_DEFAULT RPC_LED_100_10
399 #define RPC_LSB_DEFAULT RPC_LED_TX_RX
400
401 #endif
402
403 #ifdef SMC_USE_PXA_DMA
404 /*
405 * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
406 * always happening in irq context so no need to worry about races. TX is
407 * different and probably not worth it for that reason, and not as critical
408 * as RX which can overrun memory and lose packets.
409 */
410 #include <linux/dma-mapping.h>
411 #include <asm/dma.h>
412 #include <asm/arch/pxa-regs.h>
413
414 #ifdef SMC_insl
415 #undef SMC_insl
416 #define SMC_insl(a, r, p, l) \
417 smc_pxa_dma_insl(a, lp->physaddr, r, dev->dma, p, l)
418 static inline void
419 smc_pxa_dma_insl(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
420 u_char *buf, int len)
421 {
422 dma_addr_t dmabuf;
423
424 /* fallback if no DMA available */
425 if (dma == (unsigned char)-1) {
426 readsl(ioaddr + reg, buf, len);
427 return;
428 }
429
430 /* 64 bit alignment is required for memory to memory DMA */
431 if ((long)buf & 4) {
432 *((u32 *)buf) = SMC_inl(ioaddr, reg);
433 buf += 4;
434 len--;
435 }
436
437 len *= 4;
438 dmabuf = dma_map_single(NULL, buf, len, DMA_FROM_DEVICE);
439 DCSR(dma) = DCSR_NODESC;
440 DTADR(dma) = dmabuf;
441 DSADR(dma) = physaddr + reg;
442 DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
443 DCMD_WIDTH4 | (DCMD_LENGTH & len));
444 DCSR(dma) = DCSR_NODESC | DCSR_RUN;
445 while (!(DCSR(dma) & DCSR_STOPSTATE))
446 cpu_relax();
447 DCSR(dma) = 0;
448 dma_unmap_single(NULL, dmabuf, len, DMA_FROM_DEVICE);
449 }
450 #endif
451
452 #ifdef SMC_insw
453 #undef SMC_insw
454 #define SMC_insw(a, r, p, l) \
455 smc_pxa_dma_insw(a, lp->physaddr, r, dev->dma, p, l)
456 static inline void
457 smc_pxa_dma_insw(void __iomem *ioaddr, u_long physaddr, int reg, int dma,
458 u_char *buf, int len)
459 {
460 dma_addr_t dmabuf;
461
462 /* fallback if no DMA available */
463 if (dma == (unsigned char)-1) {
464 readsw(ioaddr + reg, buf, len);
465 return;
466 }
467
468 /* 64 bit alignment is required for memory to memory DMA */
469 while ((long)buf & 6) {
470 *((u16 *)buf) = SMC_inw(ioaddr, reg);
471 buf += 2;
472 len--;
473 }
474
475 len *= 2;
476 dmabuf = dma_map_single(NULL, buf, len, DMA_FROM_DEVICE);
477 DCSR(dma) = DCSR_NODESC;
478 DTADR(dma) = dmabuf;
479 DSADR(dma) = physaddr + reg;
480 DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 |
481 DCMD_WIDTH2 | (DCMD_LENGTH & len));
482 DCSR(dma) = DCSR_NODESC | DCSR_RUN;
483 while (!(DCSR(dma) & DCSR_STOPSTATE))
484 cpu_relax();
485 DCSR(dma) = 0;
486 dma_unmap_single(NULL, dmabuf, len, DMA_FROM_DEVICE);
487 }
488 #endif
489
490 static void
491 smc_pxa_dma_irq(int dma, void *dummy, struct pt_regs *regs)
492 {
493 DCSR(dma) = 0;
494 }
495 #endif /* SMC_USE_PXA_DMA */
496
497
498 /*
499 * Everything a particular hardware setup needs should have been defined
500 * at this point. Add stubs for the undefined cases, mainly to avoid
501 * compilation warnings since they'll be optimized away, or to prevent buggy
502 * use of them.
503 */
504
505 #if ! SMC_CAN_USE_32BIT
506 #define SMC_inl(ioaddr, reg) ({ BUG(); 0; })
507 #define SMC_outl(x, ioaddr, reg) BUG()
508 #define SMC_insl(a, r, p, l) BUG()
509 #define SMC_outsl(a, r, p, l) BUG()
510 #endif
511
512 #if !defined(SMC_insl) || !defined(SMC_outsl)
513 #define SMC_insl(a, r, p, l) BUG()
514 #define SMC_outsl(a, r, p, l) BUG()
515 #endif
516
517 #if ! SMC_CAN_USE_16BIT
518
519 /*
520 * Any 16-bit access is performed with two 8-bit accesses if the hardware
521 * can't do it directly. Most registers are 16-bit so those are mandatory.
522 */
523 #define SMC_outw(x, ioaddr, reg) \
524 do { \
525 unsigned int __val16 = (x); \
526 SMC_outb( __val16, ioaddr, reg ); \
527 SMC_outb( __val16 >> 8, ioaddr, reg + (1 << SMC_IO_SHIFT));\
528 } while (0)
529 #define SMC_inw(ioaddr, reg) \
530 ({ \
531 unsigned int __val16; \
532 __val16 = SMC_inb( ioaddr, reg ); \
533 __val16 |= SMC_inb( ioaddr, reg + (1 << SMC_IO_SHIFT)) << 8; \
534 __val16; \
535 })
536
537 #define SMC_insw(a, r, p, l) BUG()
538 #define SMC_outsw(a, r, p, l) BUG()
539
540 #endif
541
542 #if !defined(SMC_insw) || !defined(SMC_outsw)
543 #define SMC_insw(a, r, p, l) BUG()
544 #define SMC_outsw(a, r, p, l) BUG()
545 #endif
546
547 #if ! SMC_CAN_USE_8BIT
548 #define SMC_inb(ioaddr, reg) ({ BUG(); 0; })
549 #define SMC_outb(x, ioaddr, reg) BUG()
550 #define SMC_insb(a, r, p, l) BUG()
551 #define SMC_outsb(a, r, p, l) BUG()
552 #endif
553
554 #if !defined(SMC_insb) || !defined(SMC_outsb)
555 #define SMC_insb(a, r, p, l) BUG()
556 #define SMC_outsb(a, r, p, l) BUG()
557 #endif
558
559 #ifndef SMC_CAN_USE_DATACS
560 #define SMC_CAN_USE_DATACS 0
561 #endif
562
563 #ifndef SMC_IO_SHIFT
564 #define SMC_IO_SHIFT 0
565 #endif
566
567 #ifndef SMC_IRQ_FLAGS
568 #define SMC_IRQ_FLAGS IRQF_TRIGGER_RISING
569 #endif
570
571 #ifndef SMC_INTERRUPT_PREAMBLE
572 #define SMC_INTERRUPT_PREAMBLE
573 #endif
574
575
576 /* Because of bank switching, the LAN91x uses only 16 I/O ports */
577 #define SMC_IO_EXTENT (16 << SMC_IO_SHIFT)
578 #define SMC_DATA_EXTENT (4)
579
580 /*
581 . Bank Select Register:
582 .
583 . yyyy yyyy 0000 00xx
584 . xx = bank number
585 . yyyy yyyy = 0x33, for identification purposes.
586 */
587 #define BANK_SELECT (14 << SMC_IO_SHIFT)
588
589
590 // Transmit Control Register
591 /* BANK 0 */
592 #define TCR_REG SMC_REG(0x0000, 0)
593 #define TCR_ENABLE 0x0001 // When 1 we can transmit
594 #define TCR_LOOP 0x0002 // Controls output pin LBK
595 #define TCR_FORCOL 0x0004 // When 1 will force a collision
596 #define TCR_PAD_EN 0x0080 // When 1 will pad tx frames < 64 bytes w/0
597 #define TCR_NOCRC 0x0100 // When 1 will not append CRC to tx frames
598 #define TCR_MON_CSN 0x0400 // When 1 tx monitors carrier
599 #define TCR_FDUPLX 0x0800 // When 1 enables full duplex operation
600 #define TCR_STP_SQET 0x1000 // When 1 stops tx if Signal Quality Error
601 #define TCR_EPH_LOOP 0x2000 // When 1 enables EPH block loopback
602 #define TCR_SWFDUP 0x8000 // When 1 enables Switched Full Duplex mode
603
604 #define TCR_CLEAR 0 /* do NOTHING */
605 /* the default settings for the TCR register : */
606 #define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN)
607
608
609 // EPH Status Register
610 /* BANK 0 */
611 #define EPH_STATUS_REG SMC_REG(0x0002, 0)
612 #define ES_TX_SUC 0x0001 // Last TX was successful
613 #define ES_SNGL_COL 0x0002 // Single collision detected for last tx
614 #define ES_MUL_COL 0x0004 // Multiple collisions detected for last tx
615 #define ES_LTX_MULT 0x0008 // Last tx was a multicast
616 #define ES_16COL 0x0010 // 16 Collisions Reached
617 #define ES_SQET 0x0020 // Signal Quality Error Test
618 #define ES_LTXBRD 0x0040 // Last tx was a broadcast
619 #define ES_TXDEFR 0x0080 // Transmit Deferred
620 #define ES_LATCOL 0x0200 // Late collision detected on last tx
621 #define ES_LOSTCARR 0x0400 // Lost Carrier Sense
622 #define ES_EXC_DEF 0x0800 // Excessive Deferral
623 #define ES_CTR_ROL 0x1000 // Counter Roll Over indication
624 #define ES_LINK_OK 0x4000 // Driven by inverted value of nLNK pin
625 #define ES_TXUNRN 0x8000 // Tx Underrun
626
627
628 // Receive Control Register
629 /* BANK 0 */
630 #define RCR_REG SMC_REG(0x0004, 0)
631 #define RCR_RX_ABORT 0x0001 // Set if a rx frame was aborted
632 #define RCR_PRMS 0x0002 // Enable promiscuous mode
633 #define RCR_ALMUL 0x0004 // When set accepts all multicast frames
634 #define RCR_RXEN 0x0100 // IFF this is set, we can receive packets
635 #define RCR_STRIP_CRC 0x0200 // When set strips CRC from rx packets
636 #define RCR_ABORT_ENB 0x0200 // When set will abort rx on collision
637 #define RCR_FILT_CAR 0x0400 // When set filters leading 12 bit s of carrier
638 #define RCR_SOFTRST 0x8000 // resets the chip
639
640 /* the normal settings for the RCR register : */
641 #define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN)
642 #define RCR_CLEAR 0x0 // set it to a base state
643
644
645 // Counter Register
646 /* BANK 0 */
647 #define COUNTER_REG SMC_REG(0x0006, 0)
648
649
650 // Memory Information Register
651 /* BANK 0 */
652 #define MIR_REG SMC_REG(0x0008, 0)
653
654
655 // Receive/Phy Control Register
656 /* BANK 0 */
657 #define RPC_REG SMC_REG(0x000A, 0)
658 #define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode.
659 #define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode
660 #define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode
661 #define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb
662 #define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb
663 #define RPC_LED_100_10 (0x00) // LED = 100Mbps OR's with 10Mbps link detect
664 #define RPC_LED_RES (0x01) // LED = Reserved
665 #define RPC_LED_10 (0x02) // LED = 10Mbps link detect
666 #define RPC_LED_FD (0x03) // LED = Full Duplex Mode
667 #define RPC_LED_TX_RX (0x04) // LED = TX or RX packet occurred
668 #define RPC_LED_100 (0x05) // LED = 100Mbps link dectect
669 #define RPC_LED_TX (0x06) // LED = TX packet occurred
670 #define RPC_LED_RX (0x07) // LED = RX packet occurred
671
672 #ifndef RPC_LSA_DEFAULT
673 #define RPC_LSA_DEFAULT RPC_LED_100
674 #endif
675 #ifndef RPC_LSB_DEFAULT
676 #define RPC_LSB_DEFAULT RPC_LED_FD
677 #endif
678
679 #define RPC_DEFAULT (RPC_ANEG | (RPC_LSA_DEFAULT << RPC_LSXA_SHFT) | (RPC_LSB_DEFAULT << RPC_LSXB_SHFT) | RPC_SPEED | RPC_DPLX)
680
681
682 /* Bank 0 0x0C is reserved */
683
684 // Bank Select Register
685 /* All Banks */
686 #define BSR_REG 0x000E
687
688
689 // Configuration Reg
690 /* BANK 1 */
691 #define CONFIG_REG SMC_REG(0x0000, 1)
692 #define CONFIG_EXT_PHY 0x0200 // 1=external MII, 0=internal Phy
693 #define CONFIG_GPCNTRL 0x0400 // Inverse value drives pin nCNTRL
694 #define CONFIG_NO_WAIT 0x1000 // When 1 no extra wait states on ISA bus
695 #define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode.
696
697 // Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low
698 #define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN)
699
700
701 // Base Address Register
702 /* BANK 1 */
703 #define BASE_REG SMC_REG(0x0002, 1)
704
705
706 // Individual Address Registers
707 /* BANK 1 */
708 #define ADDR0_REG SMC_REG(0x0004, 1)
709 #define ADDR1_REG SMC_REG(0x0006, 1)
710 #define ADDR2_REG SMC_REG(0x0008, 1)
711
712
713 // General Purpose Register
714 /* BANK 1 */
715 #define GP_REG SMC_REG(0x000A, 1)
716
717
718 // Control Register
719 /* BANK 1 */
720 #define CTL_REG SMC_REG(0x000C, 1)
721 #define CTL_RCV_BAD 0x4000 // When 1 bad CRC packets are received
722 #define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
723 #define CTL_LE_ENABLE 0x0080 // When 1 enables Link Error interrupt
724 #define CTL_CR_ENABLE 0x0040 // When 1 enables Counter Rollover interrupt
725 #define CTL_TE_ENABLE 0x0020 // When 1 enables Transmit Error interrupt
726 #define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
727 #define CTL_RELOAD 0x0002 // When set reads EEPROM into registers
728 #define CTL_STORE 0x0001 // When set stores registers into EEPROM
729
730
731 // MMU Command Register
732 /* BANK 2 */
733 #define MMU_CMD_REG SMC_REG(0x0000, 2)
734 #define MC_BUSY 1 // When 1 the last release has not completed
735 #define MC_NOP (0<<5) // No Op
736 #define MC_ALLOC (1<<5) // OR with number of 256 byte packets
737 #define MC_RESET (2<<5) // Reset MMU to initial state
738 #define MC_REMOVE (3<<5) // Remove the current rx packet
739 #define MC_RELEASE (4<<5) // Remove and release the current rx packet
740 #define MC_FREEPKT (5<<5) // Release packet in PNR register
741 #define MC_ENQUEUE (6<<5) // Enqueue the packet for transmit
742 #define MC_RSTTXFIFO (7<<5) // Reset the TX FIFOs
743
744
745 // Packet Number Register
746 /* BANK 2 */
747 #define PN_REG SMC_REG(0x0002, 2)
748
749
750 // Allocation Result Register
751 /* BANK 2 */
752 #define AR_REG SMC_REG(0x0003, 2)
753 #define AR_FAILED 0x80 // Alocation Failed
754
755
756 // TX FIFO Ports Register
757 /* BANK 2 */
758 #define TXFIFO_REG SMC_REG(0x0004, 2)
759 #define TXFIFO_TEMPTY 0x80 // TX FIFO Empty
760
761 // RX FIFO Ports Register
762 /* BANK 2 */
763 #define RXFIFO_REG SMC_REG(0x0005, 2)
764 #define RXFIFO_REMPTY 0x80 // RX FIFO Empty
765
766 #define FIFO_REG SMC_REG(0x0004, 2)
767
768 // Pointer Register
769 /* BANK 2 */
770 #define PTR_REG SMC_REG(0x0006, 2)
771 #define PTR_RCV 0x8000 // 1=Receive area, 0=Transmit area
772 #define PTR_AUTOINC 0x4000 // Auto increment the pointer on each access
773 #define PTR_READ 0x2000 // When 1 the operation is a read
774
775
776 // Data Register
777 /* BANK 2 */
778 #define DATA_REG SMC_REG(0x0008, 2)
779
780
781 // Interrupt Status/Acknowledge Register
782 /* BANK 2 */
783 #define INT_REG SMC_REG(0x000C, 2)
784
785
786 // Interrupt Mask Register
787 /* BANK 2 */
788 #define IM_REG SMC_REG(0x000D, 2)
789 #define IM_MDINT 0x80 // PHY MI Register 18 Interrupt
790 #define IM_ERCV_INT 0x40 // Early Receive Interrupt
791 #define IM_EPH_INT 0x20 // Set by Ethernet Protocol Handler section
792 #define IM_RX_OVRN_INT 0x10 // Set by Receiver Overruns
793 #define IM_ALLOC_INT 0x08 // Set when allocation request is completed
794 #define IM_TX_EMPTY_INT 0x04 // Set if the TX FIFO goes empty
795 #define IM_TX_INT 0x02 // Transmit Interrupt
796 #define IM_RCV_INT 0x01 // Receive Interrupt
797
798
799 // Multicast Table Registers
800 /* BANK 3 */
801 #define MCAST_REG1 SMC_REG(0x0000, 3)
802 #define MCAST_REG2 SMC_REG(0x0002, 3)
803 #define MCAST_REG3 SMC_REG(0x0004, 3)
804 #define MCAST_REG4 SMC_REG(0x0006, 3)
805
806
807 // Management Interface Register (MII)
808 /* BANK 3 */
809 #define MII_REG SMC_REG(0x0008, 3)
810 #define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup
811 #define MII_MDOE 0x0008 // MII Output Enable
812 #define MII_MCLK 0x0004 // MII Clock, pin MDCLK
813 #define MII_MDI 0x0002 // MII Input, pin MDI
814 #define MII_MDO 0x0001 // MII Output, pin MDO
815
816
817 // Revision Register
818 /* BANK 3 */
819 /* ( hi: chip id low: rev # ) */
820 #define REV_REG SMC_REG(0x000A, 3)
821
822
823 // Early RCV Register
824 /* BANK 3 */
825 /* this is NOT on SMC9192 */
826 #define ERCV_REG SMC_REG(0x000C, 3)
827 #define ERCV_RCV_DISCRD 0x0080 // When 1 discards a packet being received
828 #define ERCV_THRESHOLD 0x001F // ERCV Threshold Mask
829
830
831 // External Register
832 /* BANK 7 */
833 #define EXT_REG SMC_REG(0x0000, 7)
834
835
836 #define CHIP_9192 3
837 #define CHIP_9194 4
838 #define CHIP_9195 5
839 #define CHIP_9196 6
840 #define CHIP_91100 7
841 #define CHIP_91100FD 8
842 #define CHIP_91111FD 9
843
844 static const char * chip_ids[ 16 ] = {
845 NULL, NULL, NULL,
846 /* 3 */ "SMC91C90/91C92",
847 /* 4 */ "SMC91C94",
848 /* 5 */ "SMC91C95",
849 /* 6 */ "SMC91C96",
850 /* 7 */ "SMC91C100",
851 /* 8 */ "SMC91C100FD",
852 /* 9 */ "SMC91C11xFD",
853 NULL, NULL, NULL,
854 NULL, NULL, NULL};
855
856
857 /*
858 . Receive status bits
859 */
860 #define RS_ALGNERR 0x8000
861 #define RS_BRODCAST 0x4000
862 #define RS_BADCRC 0x2000
863 #define RS_ODDFRAME 0x1000
864 #define RS_TOOLONG 0x0800
865 #define RS_TOOSHORT 0x0400
866 #define RS_MULTICAST 0x0001
867 #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
868
869
870 /*
871 * PHY IDs
872 * LAN83C183 == LAN91C111 Internal PHY
873 */
874 #define PHY_LAN83C183 0x0016f840
875 #define PHY_LAN83C180 0x02821c50
876
877 /*
878 * PHY Register Addresses (LAN91C111 Internal PHY)
879 *
880 * Generic PHY registers can be found in <linux/mii.h>
881 *
882 * These phy registers are specific to our on-board phy.
883 */
884
885 // PHY Configuration Register 1
886 #define PHY_CFG1_REG 0x10
887 #define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled
888 #define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled
889 #define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down
890 #define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler
891 #define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable
892 #define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled
893 #define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm)
894 #define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db
895 #define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust
896 #define PHY_CFG1_TLVL_MASK 0x003C
897 #define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time
898
899
900 // PHY Configuration Register 2
901 #define PHY_CFG2_REG 0x11
902 #define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled
903 #define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled
904 #define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt)
905 #define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo
906
907 // PHY Status Output (and Interrupt status) Register
908 #define PHY_INT_REG 0x12 // Status Output (Interrupt Status)
909 #define PHY_INT_INT 0x8000 // 1=bits have changed since last read
910 #define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected
911 #define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync
912 #define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx
913 #define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx
914 #define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx
915 #define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected
916 #define PHY_INT_JAB 0x0100 // 1=Jabber detected
917 #define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode
918 #define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex
919
920 // PHY Interrupt/Status Mask Register
921 #define PHY_MASK_REG 0x13 // Interrupt Mask
922 // Uses the same bit definitions as PHY_INT_REG
923
924
925 /*
926 * SMC91C96 ethernet config and status registers.
927 * These are in the "attribute" space.
928 */
929 #define ECOR 0x8000
930 #define ECOR_RESET 0x80
931 #define ECOR_LEVEL_IRQ 0x40
932 #define ECOR_WR_ATTRIB 0x04
933 #define ECOR_ENABLE 0x01
934
935 #define ECSR 0x8002
936 #define ECSR_IOIS8 0x20
937 #define ECSR_PWRDWN 0x04
938 #define ECSR_INT 0x02
939
940 #define ATTRIB_SIZE ((64*1024) << SMC_IO_SHIFT)
941
942
943 /*
944 * Macros to abstract register access according to the data bus
945 * capabilities. Please use those and not the in/out primitives.
946 * Note: the following macros do *not* select the bank -- this must
947 * be done separately as needed in the main code. The SMC_REG() macro
948 * only uses the bank argument for debugging purposes (when enabled).
949 *
950 * Note: despite inline functions being safer, everything leading to this
951 * should preferably be macros to let BUG() display the line number in
952 * the core source code since we're interested in the top call site
953 * not in any inline function location.
954 */
955
956 #if SMC_DEBUG > 0
957 #define SMC_REG(reg, bank) \
958 ({ \
959 int __b = SMC_CURRENT_BANK(); \
960 if (unlikely((__b & ~0xf0) != (0x3300 | bank))) { \
961 printk( "%s: bank reg screwed (0x%04x)\n", \
962 CARDNAME, __b ); \
963 BUG(); \
964 } \
965 reg<<SMC_IO_SHIFT; \
966 })
967 #else
968 #define SMC_REG(reg, bank) (reg<<SMC_IO_SHIFT)
969 #endif
970
971 /*
972 * Hack Alert: Some setups just can't write 8 or 16 bits reliably when not
973 * aligned to a 32 bit boundary. I tell you that does exist!
974 * Fortunately the affected register accesses can be easily worked around
975 * since we can write zeroes to the preceeding 16 bits without adverse
976 * effects and use a 32-bit access.
977 *
978 * Enforce it on any 32-bit capable setup for now.
979 */
980 #define SMC_MUST_ALIGN_WRITE SMC_CAN_USE_32BIT
981
982 #define SMC_GET_PN() \
983 ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, PN_REG)) \
984 : (SMC_inw(ioaddr, PN_REG) & 0xFF) )
985
986 #define SMC_SET_PN(x) \
987 do { \
988 if (SMC_MUST_ALIGN_WRITE) \
989 SMC_outl((x)<<16, ioaddr, SMC_REG(0, 2)); \
990 else if (SMC_CAN_USE_8BIT) \
991 SMC_outb(x, ioaddr, PN_REG); \
992 else \
993 SMC_outw(x, ioaddr, PN_REG); \
994 } while (0)
995
996 #define SMC_GET_AR() \
997 ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, AR_REG)) \
998 : (SMC_inw(ioaddr, PN_REG) >> 8) )
999
1000 #define SMC_GET_TXFIFO() \
1001 ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, TXFIFO_REG)) \
1002 : (SMC_inw(ioaddr, TXFIFO_REG) & 0xFF) )
1003
1004 #define SMC_GET_RXFIFO() \
1005 ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, RXFIFO_REG)) \
1006 : (SMC_inw(ioaddr, TXFIFO_REG) >> 8) )
1007
1008 #define SMC_GET_INT() \
1009 ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, INT_REG)) \
1010 : (SMC_inw(ioaddr, INT_REG) & 0xFF) )
1011
1012 #define SMC_ACK_INT(x) \
1013 do { \
1014 if (SMC_CAN_USE_8BIT) \
1015 SMC_outb(x, ioaddr, INT_REG); \
1016 else { \
1017 unsigned long __flags; \
1018 int __mask; \
1019 local_irq_save(__flags); \
1020 __mask = SMC_inw( ioaddr, INT_REG ) & ~0xff; \
1021 SMC_outw( __mask | (x), ioaddr, INT_REG ); \
1022 local_irq_restore(__flags); \
1023 } \
1024 } while (0)
1025
1026 #define SMC_GET_INT_MASK() \
1027 ( SMC_CAN_USE_8BIT ? (SMC_inb(ioaddr, IM_REG)) \
1028 : (SMC_inw( ioaddr, INT_REG ) >> 8) )
1029
1030 #define SMC_SET_INT_MASK(x) \
1031 do { \
1032 if (SMC_CAN_USE_8BIT) \
1033 SMC_outb(x, ioaddr, IM_REG); \
1034 else \
1035 SMC_outw((x) << 8, ioaddr, INT_REG); \
1036 } while (0)
1037
1038 #define SMC_CURRENT_BANK() SMC_inw(ioaddr, BANK_SELECT)
1039
1040 #define SMC_SELECT_BANK(x) \
1041 do { \
1042 if (SMC_MUST_ALIGN_WRITE) \
1043 SMC_outl((x)<<16, ioaddr, 12<<SMC_IO_SHIFT); \
1044 else \
1045 SMC_outw(x, ioaddr, BANK_SELECT); \
1046 } while (0)
1047
1048 #define SMC_GET_BASE() SMC_inw(ioaddr, BASE_REG)
1049
1050 #define SMC_SET_BASE(x) SMC_outw(x, ioaddr, BASE_REG)
1051
1052 #define SMC_GET_CONFIG() SMC_inw(ioaddr, CONFIG_REG)
1053
1054 #define SMC_SET_CONFIG(x) SMC_outw(x, ioaddr, CONFIG_REG)
1055
1056 #define SMC_GET_COUNTER() SMC_inw(ioaddr, COUNTER_REG)
1057
1058 #define SMC_GET_CTL() SMC_inw(ioaddr, CTL_REG)
1059
1060 #define SMC_SET_CTL(x) SMC_outw(x, ioaddr, CTL_REG)
1061
1062 #define SMC_GET_MII() SMC_inw(ioaddr, MII_REG)
1063
1064 #define SMC_SET_MII(x) SMC_outw(x, ioaddr, MII_REG)
1065
1066 #define SMC_GET_MIR() SMC_inw(ioaddr, MIR_REG)
1067
1068 #define SMC_SET_MIR(x) SMC_outw(x, ioaddr, MIR_REG)
1069
1070 #define SMC_GET_MMU_CMD() SMC_inw(ioaddr, MMU_CMD_REG)
1071
1072 #define SMC_SET_MMU_CMD(x) SMC_outw(x, ioaddr, MMU_CMD_REG)
1073
1074 #define SMC_GET_FIFO() SMC_inw(ioaddr, FIFO_REG)
1075
1076 #define SMC_GET_PTR() SMC_inw(ioaddr, PTR_REG)
1077
1078 #define SMC_SET_PTR(x) \
1079 do { \
1080 if (SMC_MUST_ALIGN_WRITE) \
1081 SMC_outl((x)<<16, ioaddr, SMC_REG(4, 2)); \
1082 else \
1083 SMC_outw(x, ioaddr, PTR_REG); \
1084 } while (0)
1085
1086 #define SMC_GET_EPH_STATUS() SMC_inw(ioaddr, EPH_STATUS_REG)
1087
1088 #define SMC_GET_RCR() SMC_inw(ioaddr, RCR_REG)
1089
1090 #define SMC_SET_RCR(x) SMC_outw(x, ioaddr, RCR_REG)
1091
1092 #define SMC_GET_REV() SMC_inw(ioaddr, REV_REG)
1093
1094 #define SMC_GET_RPC() SMC_inw(ioaddr, RPC_REG)
1095
1096 #define SMC_SET_RPC(x) \
1097 do { \
1098 if (SMC_MUST_ALIGN_WRITE) \
1099 SMC_outl((x)<<16, ioaddr, SMC_REG(8, 0)); \
1100 else \
1101 SMC_outw(x, ioaddr, RPC_REG); \
1102 } while (0)
1103
1104 #define SMC_GET_TCR() SMC_inw(ioaddr, TCR_REG)
1105
1106 #define SMC_SET_TCR(x) SMC_outw(x, ioaddr, TCR_REG)
1107
1108 #ifndef SMC_GET_MAC_ADDR
1109 #define SMC_GET_MAC_ADDR(addr) \
1110 do { \
1111 unsigned int __v; \
1112 __v = SMC_inw( ioaddr, ADDR0_REG ); \
1113 addr[0] = __v; addr[1] = __v >> 8; \
1114 __v = SMC_inw( ioaddr, ADDR1_REG ); \
1115 addr[2] = __v; addr[3] = __v >> 8; \
1116 __v = SMC_inw( ioaddr, ADDR2_REG ); \
1117 addr[4] = __v; addr[5] = __v >> 8; \
1118 } while (0)
1119 #endif
1120
1121 #define SMC_SET_MAC_ADDR(addr) \
1122 do { \
1123 SMC_outw( addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG ); \
1124 SMC_outw( addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG ); \
1125 SMC_outw( addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG ); \
1126 } while (0)
1127
1128 #define SMC_SET_MCAST(x) \
1129 do { \
1130 const unsigned char *mt = (x); \
1131 SMC_outw( mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1 ); \
1132 SMC_outw( mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2 ); \
1133 SMC_outw( mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3 ); \
1134 SMC_outw( mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4 ); \
1135 } while (0)
1136
1137 #define SMC_PUT_PKT_HDR(status, length) \
1138 do { \
1139 if (SMC_CAN_USE_32BIT) \
1140 SMC_outl((status) | (length)<<16, ioaddr, DATA_REG); \
1141 else { \
1142 SMC_outw(status, ioaddr, DATA_REG); \
1143 SMC_outw(length, ioaddr, DATA_REG); \
1144 } \
1145 } while (0)
1146
1147 #define SMC_GET_PKT_HDR(status, length) \
1148 do { \
1149 if (SMC_CAN_USE_32BIT) { \
1150 unsigned int __val = SMC_inl(ioaddr, DATA_REG); \
1151 (status) = __val & 0xffff; \
1152 (length) = __val >> 16; \
1153 } else { \
1154 (status) = SMC_inw(ioaddr, DATA_REG); \
1155 (length) = SMC_inw(ioaddr, DATA_REG); \
1156 } \
1157 } while (0)
1158
1159 #define SMC_PUSH_DATA(p, l) \
1160 do { \
1161 if (SMC_CAN_USE_32BIT) { \
1162 void *__ptr = (p); \
1163 int __len = (l); \
1164 void *__ioaddr = ioaddr; \
1165 if (__len >= 2 && (unsigned long)__ptr & 2) { \
1166 __len -= 2; \
1167 SMC_outw(*(u16 *)__ptr, ioaddr, DATA_REG); \
1168 __ptr += 2; \
1169 } \
1170 if (SMC_CAN_USE_DATACS && lp->datacs) \
1171 __ioaddr = lp->datacs; \
1172 SMC_outsl(__ioaddr, DATA_REG, __ptr, __len>>2); \
1173 if (__len & 2) { \
1174 __ptr += (__len & ~3); \
1175 SMC_outw(*((u16 *)__ptr), ioaddr, DATA_REG); \
1176 } \
1177 } else if (SMC_CAN_USE_16BIT) \
1178 SMC_outsw(ioaddr, DATA_REG, p, (l) >> 1); \
1179 else if (SMC_CAN_USE_8BIT) \
1180 SMC_outsb(ioaddr, DATA_REG, p, l); \
1181 } while (0)
1182
1183 #define SMC_PULL_DATA(p, l) \
1184 do { \
1185 if (SMC_CAN_USE_32BIT) { \
1186 void *__ptr = (p); \
1187 int __len = (l); \
1188 void *__ioaddr = ioaddr; \
1189 if ((unsigned long)__ptr & 2) { \
1190 /* \
1191 * We want 32bit alignment here. \
1192 * Since some buses perform a full \
1193 * 32bit fetch even for 16bit data \
1194 * we can't use SMC_inw() here. \
1195 * Back both source (on-chip) and \
1196 * destination pointers of 2 bytes. \
1197 * This is possible since the call to \
1198 * SMC_GET_PKT_HDR() already advanced \
1199 * the source pointer of 4 bytes, and \
1200 * the skb_reserve(skb, 2) advanced \
1201 * the destination pointer of 2 bytes. \
1202 */ \
1203 __ptr -= 2; \
1204 __len += 2; \
1205 SMC_SET_PTR(2|PTR_READ|PTR_RCV|PTR_AUTOINC); \
1206 } \
1207 if (SMC_CAN_USE_DATACS && lp->datacs) \
1208 __ioaddr = lp->datacs; \
1209 __len += 2; \
1210 SMC_insl(__ioaddr, DATA_REG, __ptr, __len>>2); \
1211 } else if (SMC_CAN_USE_16BIT) \
1212 SMC_insw(ioaddr, DATA_REG, p, (l) >> 1); \
1213 else if (SMC_CAN_USE_8BIT) \
1214 SMC_insb(ioaddr, DATA_REG, p, l); \
1215 } while (0)
1216
1217 #endif /* _SMC91X_H_ */
x86 "subsystem" repository