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Merge tag 'regmap-fix-v4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux/fpc-iii.git] / drivers / net / ethernet / smsc / smc91x.h
blobea846546746937d76d68e49da0e8e5847a457c27
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, see <http://www.gnu.org/licenses/>.
22 .
23 . Information contained in this file was obtained from the LAN91C111
24 . manual from SMC. To get a copy, if you really want one, you can find
25 . information under www.smsc.com.
26 .
27 . Authors
28 . Erik Stahlman <erik@vt.edu>
29 . Daris A Nevil <dnevil@snmc.com>
30 . Nicolas Pitre <nico@fluxnic.net>
31 .
32 ---------------------------------------------------------------------------*/
33 #ifndef _SMC91X_H_
34 #define _SMC91X_H_
35
36 #include <linux/dmaengine.h>
37 #include <linux/smc91x.h>
38
39 /*
40 * Any 16-bit access is performed with two 8-bit accesses if the hardware
41 * can't do it directly. Most registers are 16-bit so those are mandatory.
42 */
43 #define SMC_outw_b(x, a, r) \
44 do { \
45 unsigned int __val16 = (x); \
46 unsigned int __reg = (r); \
47 SMC_outb(__val16, a, __reg); \
48 SMC_outb(__val16 >> 8, a, __reg + (1 << SMC_IO_SHIFT)); \
49 } while (0)
50
51 #define SMC_inw_b(a, r) \
52 ({ \
53 unsigned int __val16; \
54 unsigned int __reg = r; \
55 __val16 = SMC_inb(a, __reg); \
56 __val16 |= SMC_inb(a, __reg + (1 << SMC_IO_SHIFT)) << 8; \
57 __val16; \
58 })
59
60 /*
61 * Define your architecture specific bus configuration parameters here.
62 */
63
64 #if defined(CONFIG_ARM)
65
66 #include <asm/mach-types.h>
67
68 /* Now the bus width is specified in the platform data
69 * pretend here to support all I/O access types
70 */
71 #define SMC_CAN_USE_8BIT 1
72 #define SMC_CAN_USE_16BIT 1
73 #define SMC_CAN_USE_32BIT 1
74 #define SMC_NOWAIT 1
75
76 #define SMC_IO_SHIFT (lp->io_shift)
77
78 #define SMC_inb(a, r) readb((a) + (r))
79 #define SMC_inw(a, r) \
80 ({ \
81 unsigned int __smc_r = r; \
82 SMC_16BIT(lp) ? readw((a) + __smc_r) : \
83 SMC_8BIT(lp) ? SMC_inw_b(a, __smc_r) : \
84 ({ BUG(); 0; }); \
85 })
86
87 #define SMC_inl(a, r) readl((a) + (r))
88 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
89 #define SMC_outw(v, a, r) \
90 do { \
91 unsigned int __v = v, __smc_r = r; \
92 if (SMC_16BIT(lp)) \
93 __SMC_outw(__v, a, __smc_r); \
94 else if (SMC_8BIT(lp)) \
95 SMC_outw_b(__v, a, __smc_r); \
96 else \
97 BUG(); \
98 } while (0)
99
100 #define SMC_outl(v, a, r) writel(v, (a) + (r))
101 #define SMC_insb(a, r, p, l) readsb((a) + (r), p, l)
102 #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, l)
103 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
104 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
105 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
106 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
107 #define SMC_IRQ_FLAGS (-1) /* from resource */
108
109 /* We actually can't write halfwords properly if not word aligned */
110 static inline void __SMC_outw(u16 val, void __iomem *ioaddr, int reg)
111 {
112 if ((machine_is_mainstone() || machine_is_stargate2() ||
113 machine_is_pxa_idp()) && reg & 2) {
114 unsigned int v = val << 16;
115 v |= readl(ioaddr + (reg & ~2)) & 0xffff;
116 writel(v, ioaddr + (reg & ~2));
117 } else {
118 writew(val, ioaddr + reg);
119 }
120 }
121
122 #elif defined(CONFIG_SH_SH4202_MICRODEV)
123
124 #define SMC_CAN_USE_8BIT 0
125 #define SMC_CAN_USE_16BIT 1
126 #define SMC_CAN_USE_32BIT 0
127
128 #define SMC_inb(a, r) inb((a) + (r) - 0xa0000000)
129 #define SMC_inw(a, r) inw((a) + (r) - 0xa0000000)
130 #define SMC_inl(a, r) inl((a) + (r) - 0xa0000000)
131 #define SMC_outb(v, a, r) outb(v, (a) + (r) - 0xa0000000)
132 #define SMC_outw(v, a, r) outw(v, (a) + (r) - 0xa0000000)
133 #define SMC_outl(v, a, r) outl(v, (a) + (r) - 0xa0000000)
134 #define SMC_insl(a, r, p, l) insl((a) + (r) - 0xa0000000, p, l)
135 #define SMC_outsl(a, r, p, l) outsl((a) + (r) - 0xa0000000, p, l)
136 #define SMC_insw(a, r, p, l) insw((a) + (r) - 0xa0000000, p, l)
137 #define SMC_outsw(a, r, p, l) outsw((a) + (r) - 0xa0000000, p, l)
138
139 #define SMC_IRQ_FLAGS (0)
140
141 #elif defined(CONFIG_M32R)
142
143 #define SMC_CAN_USE_8BIT 0
144 #define SMC_CAN_USE_16BIT 1
145 #define SMC_CAN_USE_32BIT 0
146
147 #define SMC_inb(a, r) inb(((u32)a) + (r))
148 #define SMC_inw(a, r) inw(((u32)a) + (r))
149 #define SMC_outb(v, a, r) outb(v, ((u32)a) + (r))
150 #define SMC_outw(v, a, r) outw(v, ((u32)a) + (r))
151 #define SMC_insw(a, r, p, l) insw(((u32)a) + (r), p, l)
152 #define SMC_outsw(a, r, p, l) outsw(((u32)a) + (r), p, l)
153
154 #define SMC_IRQ_FLAGS (0)
155
156 #define RPC_LSA_DEFAULT RPC_LED_TX_RX
157 #define RPC_LSB_DEFAULT RPC_LED_100_10
158
159 #elif defined(CONFIG_MN10300)
160
161 /*
162 * MN10300/AM33 configuration
163 */
164
165 #include <unit/smc91111.h>
166
167 #elif defined(CONFIG_ATARI)
168
169 #define SMC_CAN_USE_8BIT 1
170 #define SMC_CAN_USE_16BIT 1
171 #define SMC_CAN_USE_32BIT 1
172 #define SMC_NOWAIT 1
173
174 #define SMC_inb(a, r) readb((a) + (r))
175 #define SMC_inw(a, r) readw((a) + (r))
176 #define SMC_inl(a, r) readl((a) + (r))
177 #define SMC_outb(v, a, r) writeb(v, (a) + (r))
178 #define SMC_outw(v, a, r) writew(v, (a) + (r))
179 #define SMC_outl(v, a, r) writel(v, (a) + (r))
180 #define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
181 #define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
182 #define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
183 #define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
184
185 #define RPC_LSA_DEFAULT RPC_LED_100_10
186 #define RPC_LSB_DEFAULT RPC_LED_TX_RX
187
188 #elif defined(CONFIG_COLDFIRE)
189
190 #define SMC_CAN_USE_8BIT 0
191 #define SMC_CAN_USE_16BIT 1
192 #define SMC_CAN_USE_32BIT 0
193 #define SMC_NOWAIT 1
194
195 static inline void mcf_insw(void *a, unsigned char *p, int l)
196 {
197 u16 *wp = (u16 *) p;
198 while (l-- > 0)
199 *wp++ = readw(a);
200 }
201
202 static inline void mcf_outsw(void *a, unsigned char *p, int l)
203 {
204 u16 *wp = (u16 *) p;
205 while (l-- > 0)
206 writew(*wp++, a);
207 }
208
209 #define SMC_inw(a, r) _swapw(readw((a) + (r)))
210 #define SMC_outw(v, a, r) writew(_swapw(v), (a) + (r))
211 #define SMC_insw(a, r, p, l) mcf_insw(a + r, p, l)
212 #define SMC_outsw(a, r, p, l) mcf_outsw(a + r, p, l)
213
214 #define SMC_IRQ_FLAGS 0
215
216 #elif defined(CONFIG_H8300)
217 #define SMC_CAN_USE_8BIT 1
218 #define SMC_CAN_USE_16BIT 0
219 #define SMC_CAN_USE_32BIT 0
220 #define SMC_NOWAIT 0
221
222 #define SMC_inb(a, r) ioread8((a) + (r))
223 #define SMC_outb(v, a, r) iowrite8(v, (a) + (r))
224 #define SMC_insb(a, r, p, l) ioread8_rep((a) + (r), p, l)
225 #define SMC_outsb(a, r, p, l) iowrite8_rep((a) + (r), p, l)
226
227 #else
228
229 /*
230 * Default configuration
231 */
232
233 #define SMC_CAN_USE_8BIT 1
234 #define SMC_CAN_USE_16BIT 1
235 #define SMC_CAN_USE_32BIT 1
236 #define SMC_NOWAIT 1
237
238 #define SMC_IO_SHIFT (lp->io_shift)
239
240 #define SMC_inb(a, r) ioread8((a) + (r))
241 #define SMC_inw(a, r) ioread16((a) + (r))
242 #define SMC_inl(a, r) ioread32((a) + (r))
243 #define SMC_outb(v, a, r) iowrite8(v, (a) + (r))
244 #define SMC_outw(v, a, r) iowrite16(v, (a) + (r))
245 #define SMC_outl(v, a, r) iowrite32(v, (a) + (r))
246 #define SMC_insw(a, r, p, l) ioread16_rep((a) + (r), p, l)
247 #define SMC_outsw(a, r, p, l) iowrite16_rep((a) + (r), p, l)
248 #define SMC_insl(a, r, p, l) ioread32_rep((a) + (r), p, l)
249 #define SMC_outsl(a, r, p, l) iowrite32_rep((a) + (r), p, l)
250
251 #define RPC_LSA_DEFAULT RPC_LED_100_10
252 #define RPC_LSB_DEFAULT RPC_LED_TX_RX
253
254 #endif
255
256
257 /* store this information for the driver.. */
258 struct smc_local {
259 /*
260 * If I have to wait until memory is available to send a
261 * packet, I will store the skbuff here, until I get the
262 * desired memory. Then, I'll send it out and free it.
263 */
264 struct sk_buff *pending_tx_skb;
265 struct tasklet_struct tx_task;
266
267 struct gpio_desc *power_gpio;
268 struct gpio_desc *reset_gpio;
269
270 /* version/revision of the SMC91x chip */
271 int version;
272
273 /* Contains the current active transmission mode */
274 int tcr_cur_mode;
275
276 /* Contains the current active receive mode */
277 int rcr_cur_mode;
278
279 /* Contains the current active receive/phy mode */
280 int rpc_cur_mode;
281 int ctl_rfduplx;
282 int ctl_rspeed;
283
284 u32 msg_enable;
285 u32 phy_type;
286 struct mii_if_info mii;
287
288 /* work queue */
289 struct work_struct phy_configure;
290 struct net_device *dev;
291 int work_pending;
292
293 spinlock_t lock;
294
295 #ifdef CONFIG_ARCH_PXA
296 /* DMA needs the physical address of the chip */
297 u_long physaddr;
298 struct device *device;
299 #endif
300 struct dma_chan *dma_chan;
301 void __iomem *base;
302 void __iomem *datacs;
303
304 /* the low address lines on some platforms aren't connected... */
305 int io_shift;
306
307 struct smc91x_platdata cfg;
308 };
309
310 #define SMC_8BIT(p) ((p)->cfg.flags & SMC91X_USE_8BIT)
311 #define SMC_16BIT(p) ((p)->cfg.flags & SMC91X_USE_16BIT)
312 #define SMC_32BIT(p) ((p)->cfg.flags & SMC91X_USE_32BIT)
313
314 #ifdef CONFIG_ARCH_PXA
315 /*
316 * Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
317 * always happening in irq context so no need to worry about races. TX is
318 * different and probably not worth it for that reason, and not as critical
319 * as RX which can overrun memory and lose packets.
320 */
321 #include <linux/dma-mapping.h>
322 #include <linux/dma/pxa-dma.h>
323
324 #ifdef SMC_insl
325 #undef SMC_insl
326 #define SMC_insl(a, r, p, l) \
327 smc_pxa_dma_insl(a, lp, r, dev->dma, p, l)
328 static inline void
329 smc_pxa_dma_inpump(struct smc_local *lp, u_char *buf, int len)
330 {
331 dma_addr_t dmabuf;
332 struct dma_async_tx_descriptor *tx;
333 dma_cookie_t cookie;
334 enum dma_status status;
335 struct dma_tx_state state;
336
337 dmabuf = dma_map_single(lp->device, buf, len, DMA_FROM_DEVICE);
338 tx = dmaengine_prep_slave_single(lp->dma_chan, dmabuf, len,
339 DMA_DEV_TO_MEM, 0);
340 if (tx) {
341 cookie = dmaengine_submit(tx);
342 dma_async_issue_pending(lp->dma_chan);
343 do {
344 status = dmaengine_tx_status(lp->dma_chan, cookie,
345 &state);
346 cpu_relax();
347 } while (status != DMA_COMPLETE && status != DMA_ERROR &&
348 state.residue);
349 dmaengine_terminate_all(lp->dma_chan);
350 }
351 dma_unmap_single(lp->device, dmabuf, len, DMA_FROM_DEVICE);
352 }
353
354 static inline void
355 smc_pxa_dma_insl(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
356 u_char *buf, int len)
357 {
358 struct dma_slave_config config;
359 int ret;
360
361 /* fallback if no DMA available */
362 if (!lp->dma_chan) {
363 readsl(ioaddr + reg, buf, len);
364 return;
365 }
366
367 /* 64 bit alignment is required for memory to memory DMA */
368 if ((long)buf & 4) {
369 *((u32 *)buf) = SMC_inl(ioaddr, reg);
370 buf += 4;
371 len--;
372 }
373
374 memset(&config, 0, sizeof(config));
375 config.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
376 config.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
377 config.src_addr = lp->physaddr + reg;
378 config.dst_addr = lp->physaddr + reg;
379 config.src_maxburst = 32;
380 config.dst_maxburst = 32;
381 ret = dmaengine_slave_config(lp->dma_chan, &config);
382 if (ret) {
383 dev_err(lp->device, "dma channel configuration failed: %d\n",
384 ret);
385 return;
386 }
387
388 len *= 4;
389 smc_pxa_dma_inpump(lp, buf, len);
390 }
391 #endif
392
393 #ifdef SMC_insw
394 #undef SMC_insw
395 #define SMC_insw(a, r, p, l) \
396 smc_pxa_dma_insw(a, lp, r, dev->dma, p, l)
397 static inline void
398 smc_pxa_dma_insw(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma,
399 u_char *buf, int len)
400 {
401 struct dma_slave_config config;
402 int ret;
403
404 /* fallback if no DMA available */
405 if (!lp->dma_chan) {
406 readsw(ioaddr + reg, buf, len);
407 return;
408 }
409
410 /* 64 bit alignment is required for memory to memory DMA */
411 while ((long)buf & 6) {
412 *((u16 *)buf) = SMC_inw(ioaddr, reg);
413 buf += 2;
414 len--;
415 }
416
417 memset(&config, 0, sizeof(config));
418 config.src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
419 config.dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
420 config.src_addr = lp->physaddr + reg;
421 config.dst_addr = lp->physaddr + reg;
422 config.src_maxburst = 32;
423 config.dst_maxburst = 32;
424 ret = dmaengine_slave_config(lp->dma_chan, &config);
425 if (ret) {
426 dev_err(lp->device, "dma channel configuration failed: %d\n",
427 ret);
428 return;
429 }
430
431 len *= 2;
432 smc_pxa_dma_inpump(lp, buf, len);
433 }
434 #endif
435
436 #endif /* CONFIG_ARCH_PXA */
437
438
439 /*
440 * Everything a particular hardware setup needs should have been defined
441 * at this point. Add stubs for the undefined cases, mainly to avoid
442 * compilation warnings since they'll be optimized away, or to prevent buggy
443 * use of them.
444 */
445
446 #if ! SMC_CAN_USE_32BIT
447 #define SMC_inl(ioaddr, reg) ({ BUG(); 0; })
448 #define SMC_outl(x, ioaddr, reg) BUG()
449 #define SMC_insl(a, r, p, l) BUG()
450 #define SMC_outsl(a, r, p, l) BUG()
451 #endif
452
453 #if !defined(SMC_insl) || !defined(SMC_outsl)
454 #define SMC_insl(a, r, p, l) BUG()
455 #define SMC_outsl(a, r, p, l) BUG()
456 #endif
457
458 #if ! SMC_CAN_USE_16BIT
459
460 #define SMC_outw(x, ioaddr, reg) SMC_outw_b(x, ioaddr, reg)
461 #define SMC_inw(ioaddr, reg) SMC_inw_b(ioaddr, reg)
462 #define SMC_insw(a, r, p, l) BUG()
463 #define SMC_outsw(a, r, p, l) BUG()
464
465 #endif
466
467 #if !defined(SMC_insw) || !defined(SMC_outsw)
468 #define SMC_insw(a, r, p, l) BUG()
469 #define SMC_outsw(a, r, p, l) BUG()
470 #endif
471
472 #if ! SMC_CAN_USE_8BIT
473 #undef SMC_inb
474 #define SMC_inb(ioaddr, reg) ({ BUG(); 0; })
475 #undef SMC_outb
476 #define SMC_outb(x, ioaddr, reg) BUG()
477 #define SMC_insb(a, r, p, l) BUG()
478 #define SMC_outsb(a, r, p, l) BUG()
479 #endif
480
481 #if !defined(SMC_insb) || !defined(SMC_outsb)
482 #define SMC_insb(a, r, p, l) BUG()
483 #define SMC_outsb(a, r, p, l) BUG()
484 #endif
485
486 #ifndef SMC_CAN_USE_DATACS
487 #define SMC_CAN_USE_DATACS 0
488 #endif
489
490 #ifndef SMC_IO_SHIFT
491 #define SMC_IO_SHIFT 0
492 #endif
493
494 #ifndef SMC_IRQ_FLAGS
495 #define SMC_IRQ_FLAGS IRQF_TRIGGER_RISING
496 #endif
497
498 #ifndef SMC_INTERRUPT_PREAMBLE
499 #define SMC_INTERRUPT_PREAMBLE
500 #endif
501
502
503 /* Because of bank switching, the LAN91x uses only 16 I/O ports */
504 #define SMC_IO_EXTENT (16 << SMC_IO_SHIFT)
505 #define SMC_DATA_EXTENT (4)
506
507 /*
508 . Bank Select Register:
509 .
510 . yyyy yyyy 0000 00xx
511 . xx = bank number
512 . yyyy yyyy = 0x33, for identification purposes.
513 */
514 #define BANK_SELECT (14 << SMC_IO_SHIFT)
515
516
517 // Transmit Control Register
518 /* BANK 0 */
519 #define TCR_REG(lp) SMC_REG(lp, 0x0000, 0)
520 #define TCR_ENABLE 0x0001 // When 1 we can transmit
521 #define TCR_LOOP 0x0002 // Controls output pin LBK
522 #define TCR_FORCOL 0x0004 // When 1 will force a collision
523 #define TCR_PAD_EN 0x0080 // When 1 will pad tx frames < 64 bytes w/0
524 #define TCR_NOCRC 0x0100 // When 1 will not append CRC to tx frames
525 #define TCR_MON_CSN 0x0400 // When 1 tx monitors carrier
526 #define TCR_FDUPLX 0x0800 // When 1 enables full duplex operation
527 #define TCR_STP_SQET 0x1000 // When 1 stops tx if Signal Quality Error
528 #define TCR_EPH_LOOP 0x2000 // When 1 enables EPH block loopback
529 #define TCR_SWFDUP 0x8000 // When 1 enables Switched Full Duplex mode
530
531 #define TCR_CLEAR 0 /* do NOTHING */
532 /* the default settings for the TCR register : */
533 #define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN)
534
535
536 // EPH Status Register
537 /* BANK 0 */
538 #define EPH_STATUS_REG(lp) SMC_REG(lp, 0x0002, 0)
539 #define ES_TX_SUC 0x0001 // Last TX was successful
540 #define ES_SNGL_COL 0x0002 // Single collision detected for last tx
541 #define ES_MUL_COL 0x0004 // Multiple collisions detected for last tx
542 #define ES_LTX_MULT 0x0008 // Last tx was a multicast
543 #define ES_16COL 0x0010 // 16 Collisions Reached
544 #define ES_SQET 0x0020 // Signal Quality Error Test
545 #define ES_LTXBRD 0x0040 // Last tx was a broadcast
546 #define ES_TXDEFR 0x0080 // Transmit Deferred
547 #define ES_LATCOL 0x0200 // Late collision detected on last tx
548 #define ES_LOSTCARR 0x0400 // Lost Carrier Sense
549 #define ES_EXC_DEF 0x0800 // Excessive Deferral
550 #define ES_CTR_ROL 0x1000 // Counter Roll Over indication
551 #define ES_LINK_OK 0x4000 // Driven by inverted value of nLNK pin
552 #define ES_TXUNRN 0x8000 // Tx Underrun
553
554
555 // Receive Control Register
556 /* BANK 0 */
557 #define RCR_REG(lp) SMC_REG(lp, 0x0004, 0)
558 #define RCR_RX_ABORT 0x0001 // Set if a rx frame was aborted
559 #define RCR_PRMS 0x0002 // Enable promiscuous mode
560 #define RCR_ALMUL 0x0004 // When set accepts all multicast frames
561 #define RCR_RXEN 0x0100 // IFF this is set, we can receive packets
562 #define RCR_STRIP_CRC 0x0200 // When set strips CRC from rx packets
563 #define RCR_ABORT_ENB 0x0200 // When set will abort rx on collision
564 #define RCR_FILT_CAR 0x0400 // When set filters leading 12 bit s of carrier
565 #define RCR_SOFTRST 0x8000 // resets the chip
566
567 /* the normal settings for the RCR register : */
568 #define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN)
569 #define RCR_CLEAR 0x0 // set it to a base state
570
571
572 // Counter Register
573 /* BANK 0 */
574 #define COUNTER_REG(lp) SMC_REG(lp, 0x0006, 0)
575
576
577 // Memory Information Register
578 /* BANK 0 */
579 #define MIR_REG(lp) SMC_REG(lp, 0x0008, 0)
580
581
582 // Receive/Phy Control Register
583 /* BANK 0 */
584 #define RPC_REG(lp) SMC_REG(lp, 0x000A, 0)
585 #define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode.
586 #define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode
587 #define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode
588 #define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb
589 #define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb
590
591 #ifndef RPC_LSA_DEFAULT
592 #define RPC_LSA_DEFAULT RPC_LED_100
593 #endif
594 #ifndef RPC_LSB_DEFAULT
595 #define RPC_LSB_DEFAULT RPC_LED_FD
596 #endif
597
598 #define RPC_DEFAULT (RPC_ANEG | RPC_SPEED | RPC_DPLX)
599
600
601 /* Bank 0 0x0C is reserved */
602
603 // Bank Select Register
604 /* All Banks */
605 #define BSR_REG 0x000E
606
607
608 // Configuration Reg
609 /* BANK 1 */
610 #define CONFIG_REG(lp) SMC_REG(lp, 0x0000, 1)
611 #define CONFIG_EXT_PHY 0x0200 // 1=external MII, 0=internal Phy
612 #define CONFIG_GPCNTRL 0x0400 // Inverse value drives pin nCNTRL
613 #define CONFIG_NO_WAIT 0x1000 // When 1 no extra wait states on ISA bus
614 #define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode.
615
616 // Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low
617 #define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN)
618
619
620 // Base Address Register
621 /* BANK 1 */
622 #define BASE_REG(lp) SMC_REG(lp, 0x0002, 1)
623
624
625 // Individual Address Registers
626 /* BANK 1 */
627 #define ADDR0_REG(lp) SMC_REG(lp, 0x0004, 1)
628 #define ADDR1_REG(lp) SMC_REG(lp, 0x0006, 1)
629 #define ADDR2_REG(lp) SMC_REG(lp, 0x0008, 1)
630
631
632 // General Purpose Register
633 /* BANK 1 */
634 #define GP_REG(lp) SMC_REG(lp, 0x000A, 1)
635
636
637 // Control Register
638 /* BANK 1 */
639 #define CTL_REG(lp) SMC_REG(lp, 0x000C, 1)
640 #define CTL_RCV_BAD 0x4000 // When 1 bad CRC packets are received
641 #define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
642 #define CTL_LE_ENABLE 0x0080 // When 1 enables Link Error interrupt
643 #define CTL_CR_ENABLE 0x0040 // When 1 enables Counter Rollover interrupt
644 #define CTL_TE_ENABLE 0x0020 // When 1 enables Transmit Error interrupt
645 #define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
646 #define CTL_RELOAD 0x0002 // When set reads EEPROM into registers
647 #define CTL_STORE 0x0001 // When set stores registers into EEPROM
648
649
650 // MMU Command Register
651 /* BANK 2 */
652 #define MMU_CMD_REG(lp) SMC_REG(lp, 0x0000, 2)
653 #define MC_BUSY 1 // When 1 the last release has not completed
654 #define MC_NOP (0<<5) // No Op
655 #define MC_ALLOC (1<<5) // OR with number of 256 byte packets
656 #define MC_RESET (2<<5) // Reset MMU to initial state
657 #define MC_REMOVE (3<<5) // Remove the current rx packet
658 #define MC_RELEASE (4<<5) // Remove and release the current rx packet
659 #define MC_FREEPKT (5<<5) // Release packet in PNR register
660 #define MC_ENQUEUE (6<<5) // Enqueue the packet for transmit
661 #define MC_RSTTXFIFO (7<<5) // Reset the TX FIFOs
662
663
664 // Packet Number Register
665 /* BANK 2 */
666 #define PN_REG(lp) SMC_REG(lp, 0x0002, 2)
667
668
669 // Allocation Result Register
670 /* BANK 2 */
671 #define AR_REG(lp) SMC_REG(lp, 0x0003, 2)
672 #define AR_FAILED 0x80 // Alocation Failed
673
674
675 // TX FIFO Ports Register
676 /* BANK 2 */
677 #define TXFIFO_REG(lp) SMC_REG(lp, 0x0004, 2)
678 #define TXFIFO_TEMPTY 0x80 // TX FIFO Empty
679
680 // RX FIFO Ports Register
681 /* BANK 2 */
682 #define RXFIFO_REG(lp) SMC_REG(lp, 0x0005, 2)
683 #define RXFIFO_REMPTY 0x80 // RX FIFO Empty
684
685 #define FIFO_REG(lp) SMC_REG(lp, 0x0004, 2)
686
687 // Pointer Register
688 /* BANK 2 */
689 #define PTR_REG(lp) SMC_REG(lp, 0x0006, 2)
690 #define PTR_RCV 0x8000 // 1=Receive area, 0=Transmit area
691 #define PTR_AUTOINC 0x4000 // Auto increment the pointer on each access
692 #define PTR_READ 0x2000 // When 1 the operation is a read
693
694
695 // Data Register
696 /* BANK 2 */
697 #define DATA_REG(lp) SMC_REG(lp, 0x0008, 2)
698
699
700 // Interrupt Status/Acknowledge Register
701 /* BANK 2 */
702 #define INT_REG(lp) SMC_REG(lp, 0x000C, 2)
703
704
705 // Interrupt Mask Register
706 /* BANK 2 */
707 #define IM_REG(lp) SMC_REG(lp, 0x000D, 2)
708 #define IM_MDINT 0x80 // PHY MI Register 18 Interrupt
709 #define IM_ERCV_INT 0x40 // Early Receive Interrupt
710 #define IM_EPH_INT 0x20 // Set by Ethernet Protocol Handler section
711 #define IM_RX_OVRN_INT 0x10 // Set by Receiver Overruns
712 #define IM_ALLOC_INT 0x08 // Set when allocation request is completed
713 #define IM_TX_EMPTY_INT 0x04 // Set if the TX FIFO goes empty
714 #define IM_TX_INT 0x02 // Transmit Interrupt
715 #define IM_RCV_INT 0x01 // Receive Interrupt
716
717
718 // Multicast Table Registers
719 /* BANK 3 */
720 #define MCAST_REG1(lp) SMC_REG(lp, 0x0000, 3)
721 #define MCAST_REG2(lp) SMC_REG(lp, 0x0002, 3)
722 #define MCAST_REG3(lp) SMC_REG(lp, 0x0004, 3)
723 #define MCAST_REG4(lp) SMC_REG(lp, 0x0006, 3)
724
725
726 // Management Interface Register (MII)
727 /* BANK 3 */
728 #define MII_REG(lp) SMC_REG(lp, 0x0008, 3)
729 #define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup
730 #define MII_MDOE 0x0008 // MII Output Enable
731 #define MII_MCLK 0x0004 // MII Clock, pin MDCLK
732 #define MII_MDI 0x0002 // MII Input, pin MDI
733 #define MII_MDO 0x0001 // MII Output, pin MDO
734
735
736 // Revision Register
737 /* BANK 3 */
738 /* ( hi: chip id low: rev # ) */
739 #define REV_REG(lp) SMC_REG(lp, 0x000A, 3)
740
741
742 // Early RCV Register
743 /* BANK 3 */
744 /* this is NOT on SMC9192 */
745 #define ERCV_REG(lp) SMC_REG(lp, 0x000C, 3)
746 #define ERCV_RCV_DISCRD 0x0080 // When 1 discards a packet being received
747 #define ERCV_THRESHOLD 0x001F // ERCV Threshold Mask
748
749
750 // External Register
751 /* BANK 7 */
752 #define EXT_REG(lp) SMC_REG(lp, 0x0000, 7)
753
754
755 #define CHIP_9192 3
756 #define CHIP_9194 4
757 #define CHIP_9195 5
758 #define CHIP_9196 6
759 #define CHIP_91100 7
760 #define CHIP_91100FD 8
761 #define CHIP_91111FD 9
762
763 static const char * chip_ids[ 16 ] = {
764 NULL, NULL, NULL,
765 /* 3 */ "SMC91C90/91C92",
766 /* 4 */ "SMC91C94",
767 /* 5 */ "SMC91C95",
768 /* 6 */ "SMC91C96",
769 /* 7 */ "SMC91C100",
770 /* 8 */ "SMC91C100FD",
771 /* 9 */ "SMC91C11xFD",
772 NULL, NULL, NULL,
773 NULL, NULL, NULL};
774
775
776 /*
777 . Receive status bits
778 */
779 #define RS_ALGNERR 0x8000
780 #define RS_BRODCAST 0x4000
781 #define RS_BADCRC 0x2000
782 #define RS_ODDFRAME 0x1000
783 #define RS_TOOLONG 0x0800
784 #define RS_TOOSHORT 0x0400
785 #define RS_MULTICAST 0x0001
786 #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
787
788
789 /*
790 * PHY IDs
791 * LAN83C183 == LAN91C111 Internal PHY
792 */
793 #define PHY_LAN83C183 0x0016f840
794 #define PHY_LAN83C180 0x02821c50
795
796 /*
797 * PHY Register Addresses (LAN91C111 Internal PHY)
798 *
799 * Generic PHY registers can be found in <linux/mii.h>
800 *
801 * These phy registers are specific to our on-board phy.
802 */
803
804 // PHY Configuration Register 1
805 #define PHY_CFG1_REG 0x10
806 #define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled
807 #define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled
808 #define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down
809 #define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler
810 #define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable
811 #define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled
812 #define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm)
813 #define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db
814 #define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust
815 #define PHY_CFG1_TLVL_MASK 0x003C
816 #define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time
817
818
819 // PHY Configuration Register 2
820 #define PHY_CFG2_REG 0x11
821 #define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled
822 #define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled
823 #define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt)
824 #define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo
825
826 // PHY Status Output (and Interrupt status) Register
827 #define PHY_INT_REG 0x12 // Status Output (Interrupt Status)
828 #define PHY_INT_INT 0x8000 // 1=bits have changed since last read
829 #define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected
830 #define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync
831 #define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx
832 #define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx
833 #define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx
834 #define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected
835 #define PHY_INT_JAB 0x0100 // 1=Jabber detected
836 #define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode
837 #define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex
838
839 // PHY Interrupt/Status Mask Register
840 #define PHY_MASK_REG 0x13 // Interrupt Mask
841 // Uses the same bit definitions as PHY_INT_REG
842
843
844 /*
845 * SMC91C96 ethernet config and status registers.
846 * These are in the "attribute" space.
847 */
848 #define ECOR 0x8000
849 #define ECOR_RESET 0x80
850 #define ECOR_LEVEL_IRQ 0x40
851 #define ECOR_WR_ATTRIB 0x04
852 #define ECOR_ENABLE 0x01
853
854 #define ECSR 0x8002
855 #define ECSR_IOIS8 0x20
856 #define ECSR_PWRDWN 0x04
857 #define ECSR_INT 0x02
858
859 #define ATTRIB_SIZE ((64*1024) << SMC_IO_SHIFT)
860
861
862 /*
863 * Macros to abstract register access according to the data bus
864 * capabilities. Please use those and not the in/out primitives.
865 * Note: the following macros do *not* select the bank -- this must
866 * be done separately as needed in the main code. The SMC_REG() macro
867 * only uses the bank argument for debugging purposes (when enabled).
868 *
869 * Note: despite inline functions being safer, everything leading to this
870 * should preferably be macros to let BUG() display the line number in
871 * the core source code since we're interested in the top call site
872 * not in any inline function location.
873 */
874
875 #if SMC_DEBUG > 0
876 #define SMC_REG(lp, reg, bank) \
877 ({ \
878 int __b = SMC_CURRENT_BANK(lp); \
879 if (unlikely((__b & ~0xf0) != (0x3300 | bank))) { \
880 pr_err("%s: bank reg screwed (0x%04x)\n", \
881 CARDNAME, __b); \
882 BUG(); \
883 } \
884 reg<<SMC_IO_SHIFT; \
885 })
886 #else
887 #define SMC_REG(lp, reg, bank) (reg<<SMC_IO_SHIFT)
888 #endif
889
890 /*
891 * Hack Alert: Some setups just can't write 8 or 16 bits reliably when not
892 * aligned to a 32 bit boundary. I tell you that does exist!
893 * Fortunately the affected register accesses can be easily worked around
894 * since we can write zeroes to the preceding 16 bits without adverse
895 * effects and use a 32-bit access.
896 *
897 * Enforce it on any 32-bit capable setup for now.
898 */
899 #define SMC_MUST_ALIGN_WRITE(lp) SMC_32BIT(lp)
900
901 #define SMC_GET_PN(lp) \
902 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, PN_REG(lp))) \
903 : (SMC_inw(ioaddr, PN_REG(lp)) & 0xFF))
904
905 #define SMC_SET_PN(lp, x) \
906 do { \
907 if (SMC_MUST_ALIGN_WRITE(lp)) \
908 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 0, 2)); \
909 else if (SMC_8BIT(lp)) \
910 SMC_outb(x, ioaddr, PN_REG(lp)); \
911 else \
912 SMC_outw(x, ioaddr, PN_REG(lp)); \
913 } while (0)
914
915 #define SMC_GET_AR(lp) \
916 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, AR_REG(lp))) \
917 : (SMC_inw(ioaddr, PN_REG(lp)) >> 8))
918
919 #define SMC_GET_TXFIFO(lp) \
920 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, TXFIFO_REG(lp))) \
921 : (SMC_inw(ioaddr, TXFIFO_REG(lp)) & 0xFF))
922
923 #define SMC_GET_RXFIFO(lp) \
924 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, RXFIFO_REG(lp))) \
925 : (SMC_inw(ioaddr, TXFIFO_REG(lp)) >> 8))
926
927 #define SMC_GET_INT(lp) \
928 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, INT_REG(lp))) \
929 : (SMC_inw(ioaddr, INT_REG(lp)) & 0xFF))
930
931 #define SMC_ACK_INT(lp, x) \
932 do { \
933 if (SMC_8BIT(lp)) \
934 SMC_outb(x, ioaddr, INT_REG(lp)); \
935 else { \
936 unsigned long __flags; \
937 int __mask; \
938 local_irq_save(__flags); \
939 __mask = SMC_inw(ioaddr, INT_REG(lp)) & ~0xff; \
940 SMC_outw(__mask | (x), ioaddr, INT_REG(lp)); \
941 local_irq_restore(__flags); \
942 } \
943 } while (0)
944
945 #define SMC_GET_INT_MASK(lp) \
946 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, IM_REG(lp))) \
947 : (SMC_inw(ioaddr, INT_REG(lp)) >> 8))
948
949 #define SMC_SET_INT_MASK(lp, x) \
950 do { \
951 if (SMC_8BIT(lp)) \
952 SMC_outb(x, ioaddr, IM_REG(lp)); \
953 else \
954 SMC_outw((x) << 8, ioaddr, INT_REG(lp)); \
955 } while (0)
956
957 #define SMC_CURRENT_BANK(lp) SMC_inw(ioaddr, BANK_SELECT)
958
959 #define SMC_SELECT_BANK(lp, x) \
960 do { \
961 if (SMC_MUST_ALIGN_WRITE(lp)) \
962 SMC_outl((x)<<16, ioaddr, 12<<SMC_IO_SHIFT); \
963 else \
964 SMC_outw(x, ioaddr, BANK_SELECT); \
965 } while (0)
966
967 #define SMC_GET_BASE(lp) SMC_inw(ioaddr, BASE_REG(lp))
968
969 #define SMC_SET_BASE(lp, x) SMC_outw(x, ioaddr, BASE_REG(lp))
970
971 #define SMC_GET_CONFIG(lp) SMC_inw(ioaddr, CONFIG_REG(lp))
972
973 #define SMC_SET_CONFIG(lp, x) SMC_outw(x, ioaddr, CONFIG_REG(lp))
974
975 #define SMC_GET_COUNTER(lp) SMC_inw(ioaddr, COUNTER_REG(lp))
976
977 #define SMC_GET_CTL(lp) SMC_inw(ioaddr, CTL_REG(lp))
978
979 #define SMC_SET_CTL(lp, x) SMC_outw(x, ioaddr, CTL_REG(lp))
980
981 #define SMC_GET_MII(lp) SMC_inw(ioaddr, MII_REG(lp))
982
983 #define SMC_GET_GP(lp) SMC_inw(ioaddr, GP_REG(lp))
984
985 #define SMC_SET_GP(lp, x) \
986 do { \
987 if (SMC_MUST_ALIGN_WRITE(lp)) \
988 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 1)); \
989 else \
990 SMC_outw(x, ioaddr, GP_REG(lp)); \
991 } while (0)
992
993 #define SMC_SET_MII(lp, x) SMC_outw(x, ioaddr, MII_REG(lp))
994
995 #define SMC_GET_MIR(lp) SMC_inw(ioaddr, MIR_REG(lp))
996
997 #define SMC_SET_MIR(lp, x) SMC_outw(x, ioaddr, MIR_REG(lp))
998
999 #define SMC_GET_MMU_CMD(lp) SMC_inw(ioaddr, MMU_CMD_REG(lp))
1000
1001 #define SMC_SET_MMU_CMD(lp, x) SMC_outw(x, ioaddr, MMU_CMD_REG(lp))
1002
1003 #define SMC_GET_FIFO(lp) SMC_inw(ioaddr, FIFO_REG(lp))
1004
1005 #define SMC_GET_PTR(lp) SMC_inw(ioaddr, PTR_REG(lp))
1006
1007 #define SMC_SET_PTR(lp, x) \
1008 do { \
1009 if (SMC_MUST_ALIGN_WRITE(lp)) \
1010 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 4, 2)); \
1011 else \
1012 SMC_outw(x, ioaddr, PTR_REG(lp)); \
1013 } while (0)
1014
1015 #define SMC_GET_EPH_STATUS(lp) SMC_inw(ioaddr, EPH_STATUS_REG(lp))
1016
1017 #define SMC_GET_RCR(lp) SMC_inw(ioaddr, RCR_REG(lp))
1018
1019 #define SMC_SET_RCR(lp, x) SMC_outw(x, ioaddr, RCR_REG(lp))
1020
1021 #define SMC_GET_REV(lp) SMC_inw(ioaddr, REV_REG(lp))
1022
1023 #define SMC_GET_RPC(lp) SMC_inw(ioaddr, RPC_REG(lp))
1024
1025 #define SMC_SET_RPC(lp, x) \
1026 do { \
1027 if (SMC_MUST_ALIGN_WRITE(lp)) \
1028 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 0)); \
1029 else \
1030 SMC_outw(x, ioaddr, RPC_REG(lp)); \
1031 } while (0)
1032
1033 #define SMC_GET_TCR(lp) SMC_inw(ioaddr, TCR_REG(lp))
1034
1035 #define SMC_SET_TCR(lp, x) SMC_outw(x, ioaddr, TCR_REG(lp))
1036
1037 #ifndef SMC_GET_MAC_ADDR
1038 #define SMC_GET_MAC_ADDR(lp, addr) \
1039 do { \
1040 unsigned int __v; \
1041 __v = SMC_inw(ioaddr, ADDR0_REG(lp)); \
1042 addr[0] = __v; addr[1] = __v >> 8; \
1043 __v = SMC_inw(ioaddr, ADDR1_REG(lp)); \
1044 addr[2] = __v; addr[3] = __v >> 8; \
1045 __v = SMC_inw(ioaddr, ADDR2_REG(lp)); \
1046 addr[4] = __v; addr[5] = __v >> 8; \
1047 } while (0)
1048 #endif
1049
1050 #define SMC_SET_MAC_ADDR(lp, addr) \
1051 do { \
1052 SMC_outw(addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG(lp)); \
1053 SMC_outw(addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG(lp)); \
1054 SMC_outw(addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG(lp)); \
1055 } while (0)
1056
1057 #define SMC_SET_MCAST(lp, x) \
1058 do { \
1059 const unsigned char *mt = (x); \
1060 SMC_outw(mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1(lp)); \
1061 SMC_outw(mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2(lp)); \
1062 SMC_outw(mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3(lp)); \
1063 SMC_outw(mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4(lp)); \
1064 } while (0)
1065
1066 #define SMC_PUT_PKT_HDR(lp, status, length) \
1067 do { \
1068 if (SMC_32BIT(lp)) \
1069 SMC_outl((status) | (length)<<16, ioaddr, \
1070 DATA_REG(lp)); \
1071 else { \
1072 SMC_outw(status, ioaddr, DATA_REG(lp)); \
1073 SMC_outw(length, ioaddr, DATA_REG(lp)); \
1074 } \
1075 } while (0)
1076
1077 #define SMC_GET_PKT_HDR(lp, status, length) \
1078 do { \
1079 if (SMC_32BIT(lp)) { \
1080 unsigned int __val = SMC_inl(ioaddr, DATA_REG(lp)); \
1081 (status) = __val & 0xffff; \
1082 (length) = __val >> 16; \
1083 } else { \
1084 (status) = SMC_inw(ioaddr, DATA_REG(lp)); \
1085 (length) = SMC_inw(ioaddr, DATA_REG(lp)); \
1086 } \
1087 } while (0)
1088
1089 #define SMC_PUSH_DATA(lp, p, l) \
1090 do { \
1091 if (SMC_32BIT(lp)) { \
1092 void *__ptr = (p); \
1093 int __len = (l); \
1094 void __iomem *__ioaddr = ioaddr; \
1095 if (__len >= 2 && (unsigned long)__ptr & 2) { \
1096 __len -= 2; \
1097 SMC_outsw(ioaddr, DATA_REG(lp), __ptr, 1); \
1098 __ptr += 2; \
1099 } \
1100 if (SMC_CAN_USE_DATACS && lp->datacs) \
1101 __ioaddr = lp->datacs; \
1102 SMC_outsl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \
1103 if (__len & 2) { \
1104 __ptr += (__len & ~3); \
1105 SMC_outsw(ioaddr, DATA_REG(lp), __ptr, 1); \
1106 } \
1107 } else if (SMC_16BIT(lp)) \
1108 SMC_outsw(ioaddr, DATA_REG(lp), p, (l) >> 1); \
1109 else if (SMC_8BIT(lp)) \
1110 SMC_outsb(ioaddr, DATA_REG(lp), p, l); \
1111 } while (0)
1112
1113 #define SMC_PULL_DATA(lp, p, l) \
1114 do { \
1115 if (SMC_32BIT(lp)) { \
1116 void *__ptr = (p); \
1117 int __len = (l); \
1118 void __iomem *__ioaddr = ioaddr; \
1119 if ((unsigned long)__ptr & 2) { \
1120 /* \
1121 * We want 32bit alignment here. \
1122 * Since some buses perform a full \
1123 * 32bit fetch even for 16bit data \
1124 * we can't use SMC_inw() here. \
1125 * Back both source (on-chip) and \
1126 * destination pointers of 2 bytes. \
1127 * This is possible since the call to \
1128 * SMC_GET_PKT_HDR() already advanced \
1129 * the source pointer of 4 bytes, and \
1130 * the skb_reserve(skb, 2) advanced \
1131 * the destination pointer of 2 bytes. \
1132 */ \
1133 __ptr -= 2; \
1134 __len += 2; \
1135 SMC_SET_PTR(lp, \
1136 2|PTR_READ|PTR_RCV|PTR_AUTOINC); \
1137 } \
1138 if (SMC_CAN_USE_DATACS && lp->datacs) \
1139 __ioaddr = lp->datacs; \
1140 __len += 2; \
1141 SMC_insl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \
1142 } else if (SMC_16BIT(lp)) \
1143 SMC_insw(ioaddr, DATA_REG(lp), p, (l) >> 1); \
1144 else if (SMC_8BIT(lp)) \
1145 SMC_insb(ioaddr, DATA_REG(lp), p, l); \
1146 } while (0)
1147
1148 #endif /* _SMC91X_H_ */
Linux with added FPC-III support