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 #define SMC_inb(ioaddr, reg) ({ BUG(); 0; }) 474 #define SMC_outb(x, ioaddr, reg) BUG() 475 #define SMC_insb(a, r, p, l) BUG() 476 #define SMC_outsb(a, r, p, l) BUG() 477 #endif 478 479 #if !defined(SMC_insb) || !defined(SMC_outsb) 480 #define SMC_insb(a, r, p, l) BUG() 481 #define SMC_outsb(a, r, p, l) BUG() 482 #endif 483 484 #ifndef SMC_CAN_USE_DATACS 485 #define SMC_CAN_USE_DATACS 0 486 #endif 487 488 #ifndef SMC_IO_SHIFT 489 #define SMC_IO_SHIFT 0 490 #endif 491 492 #ifndef SMC_IRQ_FLAGS 493 #define SMC_IRQ_FLAGS IRQF_TRIGGER_RISING 494 #endif 495 496 #ifndef SMC_INTERRUPT_PREAMBLE 497 #define SMC_INTERRUPT_PREAMBLE 498 #endif 499 500 501 /* Because of bank switching, the LAN91x uses only 16 I/O ports */ 502 #define SMC_IO_EXTENT (16 << SMC_IO_SHIFT) 503 #define SMC_DATA_EXTENT (4) 504 505 /* 506 . Bank Select Register: 507 . 508 . yyyy yyyy 0000 00xx 509 . xx = bank number 510 . yyyy yyyy = 0x33, for identification purposes. 511 */ 512 #define BANK_SELECT (14 << SMC_IO_SHIFT) 513 514 515 // Transmit Control Register 516 /* BANK 0 */ 517 #define TCR_REG(lp) SMC_REG(lp, 0x0000, 0) 518 #define TCR_ENABLE 0x0001 // When 1 we can transmit 519 #define TCR_LOOP 0x0002 // Controls output pin LBK 520 #define TCR_FORCOL 0x0004 // When 1 will force a collision 521 #define TCR_PAD_EN 0x0080 // When 1 will pad tx frames < 64 bytes w/0 522 #define TCR_NOCRC 0x0100 // When 1 will not append CRC to tx frames 523 #define TCR_MON_CSN 0x0400 // When 1 tx monitors carrier 524 #define TCR_FDUPLX 0x0800 // When 1 enables full duplex operation 525 #define TCR_STP_SQET 0x1000 // When 1 stops tx if Signal Quality Error 526 #define TCR_EPH_LOOP 0x2000 // When 1 enables EPH block loopback 527 #define TCR_SWFDUP 0x8000 // When 1 enables Switched Full Duplex mode 528 529 #define TCR_CLEAR 0 /* do NOTHING */ 530 /* the default settings for the TCR register : */ 531 #define TCR_DEFAULT (TCR_ENABLE | TCR_PAD_EN) 532 533 534 // EPH Status Register 535 /* BANK 0 */ 536 #define EPH_STATUS_REG(lp) SMC_REG(lp, 0x0002, 0) 537 #define ES_TX_SUC 0x0001 // Last TX was successful 538 #define ES_SNGL_COL 0x0002 // Single collision detected for last tx 539 #define ES_MUL_COL 0x0004 // Multiple collisions detected for last tx 540 #define ES_LTX_MULT 0x0008 // Last tx was a multicast 541 #define ES_16COL 0x0010 // 16 Collisions Reached 542 #define ES_SQET 0x0020 // Signal Quality Error Test 543 #define ES_LTXBRD 0x0040 // Last tx was a broadcast 544 #define ES_TXDEFR 0x0080 // Transmit Deferred 545 #define ES_LATCOL 0x0200 // Late collision detected on last tx 546 #define ES_LOSTCARR 0x0400 // Lost Carrier Sense 547 #define ES_EXC_DEF 0x0800 // Excessive Deferral 548 #define ES_CTR_ROL 0x1000 // Counter Roll Over indication 549 #define ES_LINK_OK 0x4000 // Driven by inverted value of nLNK pin 550 #define ES_TXUNRN 0x8000 // Tx Underrun 551 552 553 // Receive Control Register 554 /* BANK 0 */ 555 #define RCR_REG(lp) SMC_REG(lp, 0x0004, 0) 556 #define RCR_RX_ABORT 0x0001 // Set if a rx frame was aborted 557 #define RCR_PRMS 0x0002 // Enable promiscuous mode 558 #define RCR_ALMUL 0x0004 // When set accepts all multicast frames 559 #define RCR_RXEN 0x0100 // IFF this is set, we can receive packets 560 #define RCR_STRIP_CRC 0x0200 // When set strips CRC from rx packets 561 #define RCR_ABORT_ENB 0x0200 // When set will abort rx on collision 562 #define RCR_FILT_CAR 0x0400 // When set filters leading 12 bit s of carrier 563 #define RCR_SOFTRST 0x8000 // resets the chip 564 565 /* the normal settings for the RCR register : */ 566 #define RCR_DEFAULT (RCR_STRIP_CRC | RCR_RXEN) 567 #define RCR_CLEAR 0x0 // set it to a base state 568 569 570 // Counter Register 571 /* BANK 0 */ 572 #define COUNTER_REG(lp) SMC_REG(lp, 0x0006, 0) 573 574 575 // Memory Information Register 576 /* BANK 0 */ 577 #define MIR_REG(lp) SMC_REG(lp, 0x0008, 0) 578 579 580 // Receive/Phy Control Register 581 /* BANK 0 */ 582 #define RPC_REG(lp) SMC_REG(lp, 0x000A, 0) 583 #define RPC_SPEED 0x2000 // When 1 PHY is in 100Mbps mode. 584 #define RPC_DPLX 0x1000 // When 1 PHY is in Full-Duplex Mode 585 #define RPC_ANEG 0x0800 // When 1 PHY is in Auto-Negotiate Mode 586 #define RPC_LSXA_SHFT 5 // Bits to shift LS2A,LS1A,LS0A to lsb 587 #define RPC_LSXB_SHFT 2 // Bits to get LS2B,LS1B,LS0B to lsb 588 589 #ifndef RPC_LSA_DEFAULT 590 #define RPC_LSA_DEFAULT RPC_LED_100 591 #endif 592 #ifndef RPC_LSB_DEFAULT 593 #define RPC_LSB_DEFAULT RPC_LED_FD 594 #endif 595 596 #define RPC_DEFAULT (RPC_ANEG | RPC_SPEED | RPC_DPLX) 597 598 599 /* Bank 0 0x0C is reserved */ 600 601 // Bank Select Register 602 /* All Banks */ 603 #define BSR_REG 0x000E 604 605 606 // Configuration Reg 607 /* BANK 1 */ 608 #define CONFIG_REG(lp) SMC_REG(lp, 0x0000, 1) 609 #define CONFIG_EXT_PHY 0x0200 // 1=external MII, 0=internal Phy 610 #define CONFIG_GPCNTRL 0x0400 // Inverse value drives pin nCNTRL 611 #define CONFIG_NO_WAIT 0x1000 // When 1 no extra wait states on ISA bus 612 #define CONFIG_EPH_POWER_EN 0x8000 // When 0 EPH is placed into low power mode. 613 614 // Default is powered-up, Internal Phy, Wait States, and pin nCNTRL=low 615 #define CONFIG_DEFAULT (CONFIG_EPH_POWER_EN) 616 617 618 // Base Address Register 619 /* BANK 1 */ 620 #define BASE_REG(lp) SMC_REG(lp, 0x0002, 1) 621 622 623 // Individual Address Registers 624 /* BANK 1 */ 625 #define ADDR0_REG(lp) SMC_REG(lp, 0x0004, 1) 626 #define ADDR1_REG(lp) SMC_REG(lp, 0x0006, 1) 627 #define ADDR2_REG(lp) SMC_REG(lp, 0x0008, 1) 628 629 630 // General Purpose Register 631 /* BANK 1 */ 632 #define GP_REG(lp) SMC_REG(lp, 0x000A, 1) 633 634 635 // Control Register 636 /* BANK 1 */ 637 #define CTL_REG(lp) SMC_REG(lp, 0x000C, 1) 638 #define CTL_RCV_BAD 0x4000 // When 1 bad CRC packets are received 639 #define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically 640 #define CTL_LE_ENABLE 0x0080 // When 1 enables Link Error interrupt 641 #define CTL_CR_ENABLE 0x0040 // When 1 enables Counter Rollover interrupt 642 #define CTL_TE_ENABLE 0x0020 // When 1 enables Transmit Error interrupt 643 #define CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store 644 #define CTL_RELOAD 0x0002 // When set reads EEPROM into registers 645 #define CTL_STORE 0x0001 // When set stores registers into EEPROM 646 647 648 // MMU Command Register 649 /* BANK 2 */ 650 #define MMU_CMD_REG(lp) SMC_REG(lp, 0x0000, 2) 651 #define MC_BUSY 1 // When 1 the last release has not completed 652 #define MC_NOP (0<<5) // No Op 653 #define MC_ALLOC (1<<5) // OR with number of 256 byte packets 654 #define MC_RESET (2<<5) // Reset MMU to initial state 655 #define MC_REMOVE (3<<5) // Remove the current rx packet 656 #define MC_RELEASE (4<<5) // Remove and release the current rx packet 657 #define MC_FREEPKT (5<<5) // Release packet in PNR register 658 #define MC_ENQUEUE (6<<5) // Enqueue the packet for transmit 659 #define MC_RSTTXFIFO (7<<5) // Reset the TX FIFOs 660 661 662 // Packet Number Register 663 /* BANK 2 */ 664 #define PN_REG(lp) SMC_REG(lp, 0x0002, 2) 665 666 667 // Allocation Result Register 668 /* BANK 2 */ 669 #define AR_REG(lp) SMC_REG(lp, 0x0003, 2) 670 #define AR_FAILED 0x80 // Alocation Failed 671 672 673 // TX FIFO Ports Register 674 /* BANK 2 */ 675 #define TXFIFO_REG(lp) SMC_REG(lp, 0x0004, 2) 676 #define TXFIFO_TEMPTY 0x80 // TX FIFO Empty 677 678 // RX FIFO Ports Register 679 /* BANK 2 */ 680 #define RXFIFO_REG(lp) SMC_REG(lp, 0x0005, 2) 681 #define RXFIFO_REMPTY 0x80 // RX FIFO Empty 682 683 #define FIFO_REG(lp) SMC_REG(lp, 0x0004, 2) 684 685 // Pointer Register 686 /* BANK 2 */ 687 #define PTR_REG(lp) SMC_REG(lp, 0x0006, 2) 688 #define PTR_RCV 0x8000 // 1=Receive area, 0=Transmit area 689 #define PTR_AUTOINC 0x4000 // Auto increment the pointer on each access 690 #define PTR_READ 0x2000 // When 1 the operation is a read 691 692 693 // Data Register 694 /* BANK 2 */ 695 #define DATA_REG(lp) SMC_REG(lp, 0x0008, 2) 696 697 698 // Interrupt Status/Acknowledge Register 699 /* BANK 2 */ 700 #define INT_REG(lp) SMC_REG(lp, 0x000C, 2) 701 702 703 // Interrupt Mask Register 704 /* BANK 2 */ 705 #define IM_REG(lp) SMC_REG(lp, 0x000D, 2) 706 #define IM_MDINT 0x80 // PHY MI Register 18 Interrupt 707 #define IM_ERCV_INT 0x40 // Early Receive Interrupt 708 #define IM_EPH_INT 0x20 // Set by Ethernet Protocol Handler section 709 #define IM_RX_OVRN_INT 0x10 // Set by Receiver Overruns 710 #define IM_ALLOC_INT 0x08 // Set when allocation request is completed 711 #define IM_TX_EMPTY_INT 0x04 // Set if the TX FIFO goes empty 712 #define IM_TX_INT 0x02 // Transmit Interrupt 713 #define IM_RCV_INT 0x01 // Receive Interrupt 714 715 716 // Multicast Table Registers 717 /* BANK 3 */ 718 #define MCAST_REG1(lp) SMC_REG(lp, 0x0000, 3) 719 #define MCAST_REG2(lp) SMC_REG(lp, 0x0002, 3) 720 #define MCAST_REG3(lp) SMC_REG(lp, 0x0004, 3) 721 #define MCAST_REG4(lp) SMC_REG(lp, 0x0006, 3) 722 723 724 // Management Interface Register (MII) 725 /* BANK 3 */ 726 #define MII_REG(lp) SMC_REG(lp, 0x0008, 3) 727 #define MII_MSK_CRS100 0x4000 // Disables CRS100 detection during tx half dup 728 #define MII_MDOE 0x0008 // MII Output Enable 729 #define MII_MCLK 0x0004 // MII Clock, pin MDCLK 730 #define MII_MDI 0x0002 // MII Input, pin MDI 731 #define MII_MDO 0x0001 // MII Output, pin MDO 732 733 734 // Revision Register 735 /* BANK 3 */ 736 /* ( hi: chip id low: rev # ) */ 737 #define REV_REG(lp) SMC_REG(lp, 0x000A, 3) 738 739 740 // Early RCV Register 741 /* BANK 3 */ 742 /* this is NOT on SMC9192 */ 743 #define ERCV_REG(lp) SMC_REG(lp, 0x000C, 3) 744 #define ERCV_RCV_DISCRD 0x0080 // When 1 discards a packet being received 745 #define ERCV_THRESHOLD 0x001F // ERCV Threshold Mask 746 747 748 // External Register 749 /* BANK 7 */ 750 #define EXT_REG(lp) SMC_REG(lp, 0x0000, 7) 751 752 753 #define CHIP_9192 3 754 #define CHIP_9194 4 755 #define CHIP_9195 5 756 #define CHIP_9196 6 757 #define CHIP_91100 7 758 #define CHIP_91100FD 8 759 #define CHIP_91111FD 9 760 761 static const char * chip_ids[ 16 ] = { 762 NULL, NULL, NULL, 763 /* 3 */ "SMC91C90/91C92", 764 /* 4 */ "SMC91C94", 765 /* 5 */ "SMC91C95", 766 /* 6 */ "SMC91C96", 767 /* 7 */ "SMC91C100", 768 /* 8 */ "SMC91C100FD", 769 /* 9 */ "SMC91C11xFD", 770 NULL, NULL, NULL, 771 NULL, NULL, NULL}; 772 773 774 /* 775 . Receive status bits 776 */ 777 #define RS_ALGNERR 0x8000 778 #define RS_BRODCAST 0x4000 779 #define RS_BADCRC 0x2000 780 #define RS_ODDFRAME 0x1000 781 #define RS_TOOLONG 0x0800 782 #define RS_TOOSHORT 0x0400 783 #define RS_MULTICAST 0x0001 784 #define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT) 785 786 787 /* 788 * PHY IDs 789 * LAN83C183 == LAN91C111 Internal PHY 790 */ 791 #define PHY_LAN83C183 0x0016f840 792 #define PHY_LAN83C180 0x02821c50 793 794 /* 795 * PHY Register Addresses (LAN91C111 Internal PHY) 796 * 797 * Generic PHY registers can be found in <linux/mii.h> 798 * 799 * These phy registers are specific to our on-board phy. 800 */ 801 802 // PHY Configuration Register 1 803 #define PHY_CFG1_REG 0x10 804 #define PHY_CFG1_LNKDIS 0x8000 // 1=Rx Link Detect Function disabled 805 #define PHY_CFG1_XMTDIS 0x4000 // 1=TP Transmitter Disabled 806 #define PHY_CFG1_XMTPDN 0x2000 // 1=TP Transmitter Powered Down 807 #define PHY_CFG1_BYPSCR 0x0400 // 1=Bypass scrambler/descrambler 808 #define PHY_CFG1_UNSCDS 0x0200 // 1=Unscramble Idle Reception Disable 809 #define PHY_CFG1_EQLZR 0x0100 // 1=Rx Equalizer Disabled 810 #define PHY_CFG1_CABLE 0x0080 // 1=STP(150ohm), 0=UTP(100ohm) 811 #define PHY_CFG1_RLVL0 0x0040 // 1=Rx Squelch level reduced by 4.5db 812 #define PHY_CFG1_TLVL_SHIFT 2 // Transmit Output Level Adjust 813 #define PHY_CFG1_TLVL_MASK 0x003C 814 #define PHY_CFG1_TRF_MASK 0x0003 // Transmitter Rise/Fall time 815 816 817 // PHY Configuration Register 2 818 #define PHY_CFG2_REG 0x11 819 #define PHY_CFG2_APOLDIS 0x0020 // 1=Auto Polarity Correction disabled 820 #define PHY_CFG2_JABDIS 0x0010 // 1=Jabber disabled 821 #define PHY_CFG2_MREG 0x0008 // 1=Multiple register access (MII mgt) 822 #define PHY_CFG2_INTMDIO 0x0004 // 1=Interrupt signaled with MDIO pulseo 823 824 // PHY Status Output (and Interrupt status) Register 825 #define PHY_INT_REG 0x12 // Status Output (Interrupt Status) 826 #define PHY_INT_INT 0x8000 // 1=bits have changed since last read 827 #define PHY_INT_LNKFAIL 0x4000 // 1=Link Not detected 828 #define PHY_INT_LOSSSYNC 0x2000 // 1=Descrambler has lost sync 829 #define PHY_INT_CWRD 0x1000 // 1=Invalid 4B5B code detected on rx 830 #define PHY_INT_SSD 0x0800 // 1=No Start Of Stream detected on rx 831 #define PHY_INT_ESD 0x0400 // 1=No End Of Stream detected on rx 832 #define PHY_INT_RPOL 0x0200 // 1=Reverse Polarity detected 833 #define PHY_INT_JAB 0x0100 // 1=Jabber detected 834 #define PHY_INT_SPDDET 0x0080 // 1=100Base-TX mode, 0=10Base-T mode 835 #define PHY_INT_DPLXDET 0x0040 // 1=Device in Full Duplex 836 837 // PHY Interrupt/Status Mask Register 838 #define PHY_MASK_REG 0x13 // Interrupt Mask 839 // Uses the same bit definitions as PHY_INT_REG 840 841 842 /* 843 * SMC91C96 ethernet config and status registers. 844 * These are in the "attribute" space. 845 */ 846 #define ECOR 0x8000 847 #define ECOR_RESET 0x80 848 #define ECOR_LEVEL_IRQ 0x40 849 #define ECOR_WR_ATTRIB 0x04 850 #define ECOR_ENABLE 0x01 851 852 #define ECSR 0x8002 853 #define ECSR_IOIS8 0x20 854 #define ECSR_PWRDWN 0x04 855 #define ECSR_INT 0x02 856 857 #define ATTRIB_SIZE ((64*1024) << SMC_IO_SHIFT) 858 859 860 /* 861 * Macros to abstract register access according to the data bus 862 * capabilities. Please use those and not the in/out primitives. 863 * Note: the following macros do *not* select the bank -- this must 864 * be done separately as needed in the main code. The SMC_REG() macro 865 * only uses the bank argument for debugging purposes (when enabled). 866 * 867 * Note: despite inline functions being safer, everything leading to this 868 * should preferably be macros to let BUG() display the line number in 869 * the core source code since we're interested in the top call site 870 * not in any inline function location. 871 */ 872 873 #if SMC_DEBUG > 0 874 #define SMC_REG(lp, reg, bank) \ 875 ({ \ 876 int __b = SMC_CURRENT_BANK(lp); \ 877 if (unlikely((__b & ~0xf0) != (0x3300 | bank))) { \ 878 pr_err("%s: bank reg screwed (0x%04x)\n", \ 879 CARDNAME, __b); \ 880 BUG(); \ 881 } \ 882 reg<<SMC_IO_SHIFT; \ 883 }) 884 #else 885 #define SMC_REG(lp, reg, bank) (reg<<SMC_IO_SHIFT) 886 #endif 887 888 /* 889 * Hack Alert: Some setups just can't write 8 or 16 bits reliably when not 890 * aligned to a 32 bit boundary. I tell you that does exist! 891 * Fortunately the affected register accesses can be easily worked around 892 * since we can write zeroes to the preceding 16 bits without adverse 893 * effects and use a 32-bit access. 894 * 895 * Enforce it on any 32-bit capable setup for now. 896 */ 897 #define SMC_MUST_ALIGN_WRITE(lp) SMC_32BIT(lp) 898 899 #define SMC_GET_PN(lp) \ 900 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, PN_REG(lp))) \ 901 : (SMC_inw(ioaddr, PN_REG(lp)) & 0xFF)) 902 903 #define SMC_SET_PN(lp, x) \ 904 do { \ 905 if (SMC_MUST_ALIGN_WRITE(lp)) \ 906 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 0, 2)); \ 907 else if (SMC_8BIT(lp)) \ 908 SMC_outb(x, ioaddr, PN_REG(lp)); \ 909 else \ 910 SMC_outw(x, ioaddr, PN_REG(lp)); \ 911 } while (0) 912 913 #define SMC_GET_AR(lp) \ 914 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, AR_REG(lp))) \ 915 : (SMC_inw(ioaddr, PN_REG(lp)) >> 8)) 916 917 #define SMC_GET_TXFIFO(lp) \ 918 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, TXFIFO_REG(lp))) \ 919 : (SMC_inw(ioaddr, TXFIFO_REG(lp)) & 0xFF)) 920 921 #define SMC_GET_RXFIFO(lp) \ 922 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, RXFIFO_REG(lp))) \ 923 : (SMC_inw(ioaddr, TXFIFO_REG(lp)) >> 8)) 924 925 #define SMC_GET_INT(lp) \ 926 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, INT_REG(lp))) \ 927 : (SMC_inw(ioaddr, INT_REG(lp)) & 0xFF)) 928 929 #define SMC_ACK_INT(lp, x) \ 930 do { \ 931 if (SMC_8BIT(lp)) \ 932 SMC_outb(x, ioaddr, INT_REG(lp)); \ 933 else { \ 934 unsigned long __flags; \ 935 int __mask; \ 936 local_irq_save(__flags); \ 937 __mask = SMC_inw(ioaddr, INT_REG(lp)) & ~0xff; \ 938 SMC_outw(__mask | (x), ioaddr, INT_REG(lp)); \ 939 local_irq_restore(__flags); \ 940 } \ 941 } while (0) 942 943 #define SMC_GET_INT_MASK(lp) \ 944 (SMC_8BIT(lp) ? (SMC_inb(ioaddr, IM_REG(lp))) \ 945 : (SMC_inw(ioaddr, INT_REG(lp)) >> 8)) 946 947 #define SMC_SET_INT_MASK(lp, x) \ 948 do { \ 949 if (SMC_8BIT(lp)) \ 950 SMC_outb(x, ioaddr, IM_REG(lp)); \ 951 else \ 952 SMC_outw((x) << 8, ioaddr, INT_REG(lp)); \ 953 } while (0) 954 955 #define SMC_CURRENT_BANK(lp) SMC_inw(ioaddr, BANK_SELECT) 956 957 #define SMC_SELECT_BANK(lp, x) \ 958 do { \ 959 if (SMC_MUST_ALIGN_WRITE(lp)) \ 960 SMC_outl((x)<<16, ioaddr, 12<<SMC_IO_SHIFT); \ 961 else \ 962 SMC_outw(x, ioaddr, BANK_SELECT); \ 963 } while (0) 964 965 #define SMC_GET_BASE(lp) SMC_inw(ioaddr, BASE_REG(lp)) 966 967 #define SMC_SET_BASE(lp, x) SMC_outw(x, ioaddr, BASE_REG(lp)) 968 969 #define SMC_GET_CONFIG(lp) SMC_inw(ioaddr, CONFIG_REG(lp)) 970 971 #define SMC_SET_CONFIG(lp, x) SMC_outw(x, ioaddr, CONFIG_REG(lp)) 972 973 #define SMC_GET_COUNTER(lp) SMC_inw(ioaddr, COUNTER_REG(lp)) 974 975 #define SMC_GET_CTL(lp) SMC_inw(ioaddr, CTL_REG(lp)) 976 977 #define SMC_SET_CTL(lp, x) SMC_outw(x, ioaddr, CTL_REG(lp)) 978 979 #define SMC_GET_MII(lp) SMC_inw(ioaddr, MII_REG(lp)) 980 981 #define SMC_GET_GP(lp) SMC_inw(ioaddr, GP_REG(lp)) 982 983 #define SMC_SET_GP(lp, x) \ 984 do { \ 985 if (SMC_MUST_ALIGN_WRITE(lp)) \ 986 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 1)); \ 987 else \ 988 SMC_outw(x, ioaddr, GP_REG(lp)); \ 989 } while (0) 990 991 #define SMC_SET_MII(lp, x) SMC_outw(x, ioaddr, MII_REG(lp)) 992 993 #define SMC_GET_MIR(lp) SMC_inw(ioaddr, MIR_REG(lp)) 994 995 #define SMC_SET_MIR(lp, x) SMC_outw(x, ioaddr, MIR_REG(lp)) 996 997 #define SMC_GET_MMU_CMD(lp) SMC_inw(ioaddr, MMU_CMD_REG(lp)) 998 999 #define SMC_SET_MMU_CMD(lp, x) SMC_outw(x, ioaddr, MMU_CMD_REG(lp)) 1000 1001 #define SMC_GET_FIFO(lp) SMC_inw(ioaddr, FIFO_REG(lp)) 1002 1003 #define SMC_GET_PTR(lp) SMC_inw(ioaddr, PTR_REG(lp)) 1004 1005 #define SMC_SET_PTR(lp, x) \ 1006 do { \ 1007 if (SMC_MUST_ALIGN_WRITE(lp)) \ 1008 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 4, 2)); \ 1009 else \ 1010 SMC_outw(x, ioaddr, PTR_REG(lp)); \ 1011 } while (0) 1012 1013 #define SMC_GET_EPH_STATUS(lp) SMC_inw(ioaddr, EPH_STATUS_REG(lp)) 1014 1015 #define SMC_GET_RCR(lp) SMC_inw(ioaddr, RCR_REG(lp)) 1016 1017 #define SMC_SET_RCR(lp, x) SMC_outw(x, ioaddr, RCR_REG(lp)) 1018 1019 #define SMC_GET_REV(lp) SMC_inw(ioaddr, REV_REG(lp)) 1020 1021 #define SMC_GET_RPC(lp) SMC_inw(ioaddr, RPC_REG(lp)) 1022 1023 #define SMC_SET_RPC(lp, x) \ 1024 do { \ 1025 if (SMC_MUST_ALIGN_WRITE(lp)) \ 1026 SMC_outl((x)<<16, ioaddr, SMC_REG(lp, 8, 0)); \ 1027 else \ 1028 SMC_outw(x, ioaddr, RPC_REG(lp)); \ 1029 } while (0) 1030 1031 #define SMC_GET_TCR(lp) SMC_inw(ioaddr, TCR_REG(lp)) 1032 1033 #define SMC_SET_TCR(lp, x) SMC_outw(x, ioaddr, TCR_REG(lp)) 1034 1035 #ifndef SMC_GET_MAC_ADDR 1036 #define SMC_GET_MAC_ADDR(lp, addr) \ 1037 do { \ 1038 unsigned int __v; \ 1039 __v = SMC_inw(ioaddr, ADDR0_REG(lp)); \ 1040 addr[0] = __v; addr[1] = __v >> 8; \ 1041 __v = SMC_inw(ioaddr, ADDR1_REG(lp)); \ 1042 addr[2] = __v; addr[3] = __v >> 8; \ 1043 __v = SMC_inw(ioaddr, ADDR2_REG(lp)); \ 1044 addr[4] = __v; addr[5] = __v >> 8; \ 1045 } while (0) 1046 #endif 1047 1048 #define SMC_SET_MAC_ADDR(lp, addr) \ 1049 do { \ 1050 SMC_outw(addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG(lp)); \ 1051 SMC_outw(addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG(lp)); \ 1052 SMC_outw(addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG(lp)); \ 1053 } while (0) 1054 1055 #define SMC_SET_MCAST(lp, x) \ 1056 do { \ 1057 const unsigned char *mt = (x); \ 1058 SMC_outw(mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1(lp)); \ 1059 SMC_outw(mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2(lp)); \ 1060 SMC_outw(mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3(lp)); \ 1061 SMC_outw(mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4(lp)); \ 1062 } while (0) 1063 1064 #define SMC_PUT_PKT_HDR(lp, status, length) \ 1065 do { \ 1066 if (SMC_32BIT(lp)) \ 1067 SMC_outl((status) | (length)<<16, ioaddr, \ 1068 DATA_REG(lp)); \ 1069 else { \ 1070 SMC_outw(status, ioaddr, DATA_REG(lp)); \ 1071 SMC_outw(length, ioaddr, DATA_REG(lp)); \ 1072 } \ 1073 } while (0) 1074 1075 #define SMC_GET_PKT_HDR(lp, status, length) \ 1076 do { \ 1077 if (SMC_32BIT(lp)) { \ 1078 unsigned int __val = SMC_inl(ioaddr, DATA_REG(lp)); \ 1079 (status) = __val & 0xffff; \ 1080 (length) = __val >> 16; \ 1081 } else { \ 1082 (status) = SMC_inw(ioaddr, DATA_REG(lp)); \ 1083 (length) = SMC_inw(ioaddr, DATA_REG(lp)); \ 1084 } \ 1085 } while (0) 1086 1087 #define SMC_PUSH_DATA(lp, p, l) \ 1088 do { \ 1089 if (SMC_32BIT(lp)) { \ 1090 void *__ptr = (p); \ 1091 int __len = (l); \ 1092 void __iomem *__ioaddr = ioaddr; \ 1093 if (__len >= 2 && (unsigned long)__ptr & 2) { \ 1094 __len -= 2; \ 1095 SMC_outsw(ioaddr, DATA_REG(lp), __ptr, 1); \ 1096 __ptr += 2; \ 1097 } \ 1098 if (SMC_CAN_USE_DATACS && lp->datacs) \ 1099 __ioaddr = lp->datacs; \ 1100 SMC_outsl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \ 1101 if (__len & 2) { \ 1102 __ptr += (__len & ~3); \ 1103 SMC_outsw(ioaddr, DATA_REG(lp), __ptr, 1); \ 1104 } \ 1105 } else if (SMC_16BIT(lp)) \ 1106 SMC_outsw(ioaddr, DATA_REG(lp), p, (l) >> 1); \ 1107 else if (SMC_8BIT(lp)) \ 1108 SMC_outsb(ioaddr, DATA_REG(lp), p, l); \ 1109 } while (0) 1110 1111 #define SMC_PULL_DATA(lp, p, l) \ 1112 do { \ 1113 if (SMC_32BIT(lp)) { \ 1114 void *__ptr = (p); \ 1115 int __len = (l); \ 1116 void __iomem *__ioaddr = ioaddr; \ 1117 if ((unsigned long)__ptr & 2) { \ 1118 /* \ 1119 * We want 32bit alignment here. \ 1120 * Since some buses perform a full \ 1121 * 32bit fetch even for 16bit data \ 1122 * we can't use SMC_inw() here. \ 1123 * Back both source (on-chip) and \ 1124 * destination pointers of 2 bytes. \ 1125 * This is possible since the call to \ 1126 * SMC_GET_PKT_HDR() already advanced \ 1127 * the source pointer of 4 bytes, and \ 1128 * the skb_reserve(skb, 2) advanced \ 1129 * the destination pointer of 2 bytes. \ 1130 */ \ 1131 __ptr -= 2; \ 1132 __len += 2; \ 1133 SMC_SET_PTR(lp, \ 1134 2|PTR_READ|PTR_RCV|PTR_AUTOINC); \ 1135 } \ 1136 if (SMC_CAN_USE_DATACS && lp->datacs) \ 1137 __ioaddr = lp->datacs; \ 1138 __len += 2; \ 1139 SMC_insl(__ioaddr, DATA_REG(lp), __ptr, __len>>2); \ 1140 } else if (SMC_16BIT(lp)) \ 1141 SMC_insw(ioaddr, DATA_REG(lp), p, (l) >> 1); \ 1142 else if (SMC_8BIT(lp)) \ 1143 SMC_insb(ioaddr, DATA_REG(lp), p, l); \ 1144 } while (0) 1145 1146 #endif /* _SMC91X_H_ */ 1147