1 /******************************************************************* 2 * 3 * Copyright (c) 2000 ATecoM GmbH 4 * 5 * The author may be reached at ecd@atecom.com. 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the 9 * Free Software Foundation; either version 2 of the License, or (at your 10 * option) any later version. 11 * 12 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 16 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 17 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 18 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 19 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 20 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 21 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 * 23 * You should have received a copy of the GNU General Public License along 24 * with this program; if not, write to the Free Software Foundation, Inc., 25 * 675 Mass Ave, Cambridge, MA 02139, USA. 26 * 27 *******************************************************************/ 28 29 #ifndef _IDT77252_H 30 #define _IDT77252_H 1 31 32 33 #include <linux/ptrace.h> 34 #include <linux/skbuff.h> 35 #include <linux/workqueue.h> 36 #include <linux/mutex.h> 37 38 /*****************************************************************************/ 39 /* */ 40 /* Makros */ 41 /* */ 42 /*****************************************************************************/ 43 #define VPCI2VC(card, vpi, vci) \ 44 (((vpi) << card->vcibits) | ((vci) & card->vcimask)) 45 46 /*****************************************************************************/ 47 /* */ 48 /* DEBUGGING definitions */ 49 /* */ 50 /*****************************************************************************/ 51 52 #define DBG_RAW_CELL 0x00000400 53 #define DBG_TINY 0x00000200 54 #define DBG_GENERAL 0x00000100 55 #define DBG_XGENERAL 0x00000080 56 #define DBG_INIT 0x00000040 57 #define DBG_DEINIT 0x00000020 58 #define DBG_INTERRUPT 0x00000010 59 #define DBG_OPEN_CONN 0x00000008 60 #define DBG_CLOSE_CONN 0x00000004 61 #define DBG_RX_DATA 0x00000002 62 #define DBG_TX_DATA 0x00000001 63 64 #ifdef CONFIG_ATM_IDT77252_DEBUG 65 66 #define CPRINTK(args...) do { if (debug & DBG_CLOSE_CONN) printk(args); } while(0) 67 #define OPRINTK(args...) do { if (debug & DBG_OPEN_CONN) printk(args); } while(0) 68 #define IPRINTK(args...) do { if (debug & DBG_INIT) printk(args); } while(0) 69 #define INTPRINTK(args...) do { if (debug & DBG_INTERRUPT) printk(args); } while(0) 70 #define DIPRINTK(args...) do { if (debug & DBG_DEINIT) printk(args); } while(0) 71 #define TXPRINTK(args...) do { if (debug & DBG_TX_DATA) printk(args); } while(0) 72 #define RXPRINTK(args...) do { if (debug & DBG_RX_DATA) printk(args); } while(0) 73 #define XPRINTK(args...) do { if (debug & DBG_XGENERAL) printk(args); } while(0) 74 #define DPRINTK(args...) do { if (debug & DBG_GENERAL) printk(args); } while(0) 75 #define NPRINTK(args...) do { if (debug & DBG_TINY) printk(args); } while(0) 76 #define RPRINTK(args...) do { if (debug & DBG_RAW_CELL) printk(args); } while(0) 77 78 #else 79 80 #define CPRINTK(args...) do { } while(0) 81 #define OPRINTK(args...) do { } while(0) 82 #define IPRINTK(args...) do { } while(0) 83 #define INTPRINTK(args...) do { } while(0) 84 #define DIPRINTK(args...) do { } while(0) 85 #define TXPRINTK(args...) do { } while(0) 86 #define RXPRINTK(args...) do { } while(0) 87 #define XPRINTK(args...) do { } while(0) 88 #define DPRINTK(args...) do { } while(0) 89 #define NPRINTK(args...) do { } while(0) 90 #define RPRINTK(args...) do { } while(0) 91 92 #endif 93 94 #define SCHED_UBR0 0 95 #define SCHED_UBR 1 96 #define SCHED_VBR 2 97 #define SCHED_ABR 3 98 #define SCHED_CBR 4 99 100 #define SCQFULL_TIMEOUT HZ 101 102 /*****************************************************************************/ 103 /* */ 104 /* Free Buffer Queue Layout */ 105 /* */ 106 /*****************************************************************************/ 107 #define SAR_FB_SIZE_0 (2048 - 256) 108 #define SAR_FB_SIZE_1 (4096 - 256) 109 #define SAR_FB_SIZE_2 (8192 - 256) 110 #define SAR_FB_SIZE_3 (16384 - 256) 111 112 #define SAR_FBQ0_LOW 4 113 #define SAR_FBQ0_HIGH 8 114 #define SAR_FBQ1_LOW 2 115 #define SAR_FBQ1_HIGH 4 116 #define SAR_FBQ2_LOW 1 117 #define SAR_FBQ2_HIGH 2 118 #define SAR_FBQ3_LOW 1 119 #define SAR_FBQ3_HIGH 2 120 121 #if 0 122 #define SAR_TST_RESERVED 44 /* Num TST reserved for UBR/ABR/VBR */ 123 #else 124 #define SAR_TST_RESERVED 0 /* Num TST reserved for UBR/ABR/VBR */ 125 #endif 126 127 #define TCT_CBR 0x00000000 128 #define TCT_UBR 0x00000000 129 #define TCT_VBR 0x40000000 130 #define TCT_ABR 0x80000000 131 #define TCT_TYPE 0xc0000000 132 133 #define TCT_RR 0x20000000 134 #define TCT_LMCR 0x08000000 135 #define TCT_SCD_MASK 0x0007ffff 136 137 #define TCT_TSIF 0x00004000 138 #define TCT_HALT 0x80000000 139 #define TCT_IDLE 0x40000000 140 #define TCT_FLAG_UBR 0x80000000 141 142 /*****************************************************************************/ 143 /* */ 144 /* Structure describing an IDT77252 */ 145 /* */ 146 /*****************************************************************************/ 147 148 struct scqe 149 { 150 u32 word_1; 151 u32 word_2; 152 u32 word_3; 153 u32 word_4; 154 }; 155 156 #define SCQ_ENTRIES 64 157 #define SCQ_SIZE (SCQ_ENTRIES * sizeof(struct scqe)) 158 #define SCQ_MASK (SCQ_SIZE - 1) 159 160 struct scq_info 161 { 162 struct scqe *base; 163 struct scqe *next; 164 struct scqe *last; 165 dma_addr_t paddr; 166 spinlock_t lock; 167 atomic_t used; 168 unsigned long trans_start; 169 unsigned long scd; 170 spinlock_t skblock; 171 struct sk_buff_head transmit; 172 struct sk_buff_head pending; 173 }; 174 175 struct rx_pool { 176 struct sk_buff_head queue; 177 unsigned int len; 178 }; 179 180 struct aal1 { 181 unsigned int total; 182 unsigned int count; 183 struct sk_buff *data; 184 unsigned char sequence; 185 }; 186 187 struct vc_map; 188 189 struct rate_estimator { 190 struct timer_list timer; 191 unsigned int interval; 192 unsigned int ewma_log; 193 u64 cells; 194 u64 last_cells; 195 long avcps; 196 u32 cps; 197 u32 maxcps; 198 struct vc_map *vc; 199 }; 200 201 struct vc_map { 202 unsigned int index; 203 unsigned long flags; 204 #define VCF_TX 0 205 #define VCF_RX 1 206 #define VCF_IDLE 2 207 #define VCF_RSV 3 208 unsigned int class; 209 u8 init_er; 210 u8 lacr; 211 u8 max_er; 212 unsigned int ntste; 213 spinlock_t lock; 214 struct atm_vcc *tx_vcc; 215 struct atm_vcc *rx_vcc; 216 struct idt77252_dev *card; 217 struct scq_info *scq; /* To keep track of the SCQ */ 218 struct rate_estimator *estimator; 219 int scd_index; 220 union { 221 struct rx_pool rx_pool; 222 struct aal1 aal1; 223 } rcv; 224 }; 225 226 /*****************************************************************************/ 227 /* */ 228 /* RCTE - Receive Connection Table Entry */ 229 /* */ 230 /*****************************************************************************/ 231 232 struct rct_entry 233 { 234 u32 word_1; 235 u32 buffer_handle; 236 u32 dma_address; 237 u32 aal5_crc32; 238 }; 239 240 /*****************************************************************************/ 241 /* */ 242 /* RSQ - Receive Status Queue */ 243 /* */ 244 /*****************************************************************************/ 245 246 #define SAR_RSQE_VALID 0x80000000 247 #define SAR_RSQE_IDLE 0x40000000 248 #define SAR_RSQE_BUF_MASK 0x00030000 249 #define SAR_RSQE_BUF_ASGN 0x00008000 250 #define SAR_RSQE_NZGFC 0x00004000 251 #define SAR_RSQE_EPDU 0x00002000 252 #define SAR_RSQE_BUF_CONT 0x00001000 253 #define SAR_RSQE_EFCIE 0x00000800 254 #define SAR_RSQE_CLP 0x00000400 255 #define SAR_RSQE_CRC 0x00000200 256 #define SAR_RSQE_CELLCNT 0x000001FF 257 258 259 #define RSQSIZE 8192 260 #define RSQ_NUM_ENTRIES (RSQSIZE / 16) 261 #define RSQ_ALIGNMENT 8192 262 263 struct rsq_entry { 264 u32 word_1; 265 u32 word_2; 266 u32 word_3; 267 u32 word_4; 268 }; 269 270 struct rsq_info { 271 struct rsq_entry *base; 272 struct rsq_entry *next; 273 struct rsq_entry *last; 274 dma_addr_t paddr; 275 }; 276 277 278 /*****************************************************************************/ 279 /* */ 280 /* TSQ - Transmit Status Queue */ 281 /* */ 282 /*****************************************************************************/ 283 284 #define SAR_TSQE_INVALID 0x80000000 285 #define SAR_TSQE_TIMESTAMP 0x00FFFFFF 286 #define SAR_TSQE_TYPE 0x60000000 287 #define SAR_TSQE_TYPE_TIMER 0x00000000 288 #define SAR_TSQE_TYPE_TSR 0x20000000 289 #define SAR_TSQE_TYPE_IDLE 0x40000000 290 #define SAR_TSQE_TYPE_TBD_COMP 0x60000000 291 292 #define SAR_TSQE_TAG(stat) (((stat) >> 24) & 0x1f) 293 294 #define TSQSIZE 8192 295 #define TSQ_NUM_ENTRIES 1024 296 #define TSQ_ALIGNMENT 8192 297 298 struct tsq_entry 299 { 300 u32 word_1; 301 u32 word_2; 302 }; 303 304 struct tsq_info 305 { 306 struct tsq_entry *base; 307 struct tsq_entry *next; 308 struct tsq_entry *last; 309 dma_addr_t paddr; 310 }; 311 312 struct tst_info 313 { 314 struct vc_map *vc; 315 u32 tste; 316 }; 317 318 #define TSTE_MASK 0x601fffff 319 320 #define TSTE_OPC_MASK 0x60000000 321 #define TSTE_OPC_NULL 0x00000000 322 #define TSTE_OPC_CBR 0x20000000 323 #define TSTE_OPC_VAR 0x40000000 324 #define TSTE_OPC_JMP 0x60000000 325 326 #define TSTE_PUSH_IDLE 0x01000000 327 #define TSTE_PUSH_ACTIVE 0x02000000 328 329 #define TST_SWITCH_DONE 0 330 #define TST_SWITCH_PENDING 1 331 #define TST_SWITCH_WAIT 2 332 333 #define FBQ_SHIFT 9 334 #define FBQ_SIZE (1 << FBQ_SHIFT) 335 #define FBQ_MASK (FBQ_SIZE - 1) 336 337 struct sb_pool 338 { 339 unsigned int index; 340 struct sk_buff *skb[FBQ_SIZE]; 341 }; 342 343 #define POOL_HANDLE(queue, index) (((queue + 1) << 16) | (index)) 344 #define POOL_QUEUE(handle) (((handle) >> 16) - 1) 345 #define POOL_INDEX(handle) ((handle) & 0xffff) 346 347 struct idt77252_dev 348 { 349 struct tsq_info tsq; /* Transmit Status Queue */ 350 struct rsq_info rsq; /* Receive Status Queue */ 351 352 struct pci_dev *pcidev; /* PCI handle (desriptor) */ 353 struct atm_dev *atmdev; /* ATM device desriptor */ 354 355 void __iomem *membase; /* SAR's memory base address */ 356 unsigned long srambase; /* SAR's sram base address */ 357 void __iomem *fbq[4]; /* FBQ fill addresses */ 358 359 struct mutex mutex; 360 spinlock_t cmd_lock; /* for r/w utility/sram */ 361 362 unsigned long softstat; 363 unsigned long flags; /* see blow */ 364 365 struct work_struct tqueue; 366 367 unsigned long tct_base; /* TCT base address in SRAM */ 368 unsigned long rct_base; /* RCT base address in SRAM */ 369 unsigned long rt_base; /* Rate Table base in SRAM */ 370 unsigned long scd_base; /* SCD base address in SRAM */ 371 unsigned long tst[2]; /* TST base address in SRAM */ 372 unsigned long abrst_base; /* ABRST base address in SRAM */ 373 unsigned long fifo_base; /* RX FIFO base in SRAM */ 374 375 unsigned long irqstat[16]; 376 377 unsigned int sramsize; /* SAR's sram size */ 378 379 unsigned int tct_size; /* total TCT entries */ 380 unsigned int rct_size; /* total RCT entries */ 381 unsigned int scd_size; /* length of SCD */ 382 unsigned int tst_size; /* total TST entries */ 383 unsigned int tst_free; /* free TSTEs in TST */ 384 unsigned int abrst_size; /* size of ABRST in words */ 385 unsigned int fifo_size; /* size of RX FIFO in words */ 386 387 unsigned int vpibits; /* Bits used for VPI index */ 388 unsigned int vcibits; /* Bits used for VCI index */ 389 unsigned int vcimask; /* Mask for VCI index */ 390 391 unsigned int utopia_pcr; /* Utopia Itf's Cell Rate */ 392 unsigned int link_pcr; /* PHY's Peek Cell Rate */ 393 394 struct vc_map **vcs; /* Open Connections */ 395 struct vc_map **scd2vc; /* SCD to Connection map */ 396 397 struct tst_info *soft_tst; /* TST to Connection map */ 398 unsigned int tst_index; /* Current TST in use */ 399 struct timer_list tst_timer; 400 spinlock_t tst_lock; 401 unsigned long tst_state; 402 403 struct sb_pool sbpool[4]; /* Pool of RX skbuffs */ 404 struct sk_buff *raw_cell_head; /* Pointer to raw cell queue */ 405 u32 *raw_cell_hnd; /* Pointer to RCQ handle */ 406 dma_addr_t raw_cell_paddr; 407 408 int index; /* SAR's ID */ 409 int revision; /* chip revision */ 410 411 char name[16]; /* Device name */ 412 413 struct idt77252_dev *next; 414 }; 415 416 417 /* definition for flag field above */ 418 #define IDT77252_BIT_INIT 1 419 #define IDT77252_BIT_INTERRUPT 2 420 421 422 #define ATM_CELL_PAYLOAD 48 423 424 #define FREEBUF_ALIGNMENT 16 425 426 /*****************************************************************************/ 427 /* */ 428 /* Makros */ 429 /* */ 430 /*****************************************************************************/ 431 #define ALIGN_ADDRESS(addr, alignment) \ 432 ((((u32)(addr)) + (((u32)(alignment))-1)) & ~(((u32)(alignment)) - 1)) 433 434 435 /*****************************************************************************/ 436 /* */ 437 /* ABR SAR Network operation Register */ 438 /* */ 439 /*****************************************************************************/ 440 441 #define SAR_REG_DR0 (card->membase + 0x00) 442 #define SAR_REG_DR1 (card->membase + 0x04) 443 #define SAR_REG_DR2 (card->membase + 0x08) 444 #define SAR_REG_DR3 (card->membase + 0x0C) 445 #define SAR_REG_CMD (card->membase + 0x10) 446 #define SAR_REG_CFG (card->membase + 0x14) 447 #define SAR_REG_STAT (card->membase + 0x18) 448 #define SAR_REG_RSQB (card->membase + 0x1C) 449 #define SAR_REG_RSQT (card->membase + 0x20) 450 #define SAR_REG_RSQH (card->membase + 0x24) 451 #define SAR_REG_CDC (card->membase + 0x28) 452 #define SAR_REG_VPEC (card->membase + 0x2C) 453 #define SAR_REG_ICC (card->membase + 0x30) 454 #define SAR_REG_RAWCT (card->membase + 0x34) 455 #define SAR_REG_TMR (card->membase + 0x38) 456 #define SAR_REG_TSTB (card->membase + 0x3C) 457 #define SAR_REG_TSQB (card->membase + 0x40) 458 #define SAR_REG_TSQT (card->membase + 0x44) 459 #define SAR_REG_TSQH (card->membase + 0x48) 460 #define SAR_REG_GP (card->membase + 0x4C) 461 #define SAR_REG_VPM (card->membase + 0x50) 462 #define SAR_REG_RXFD (card->membase + 0x54) 463 #define SAR_REG_RXFT (card->membase + 0x58) 464 #define SAR_REG_RXFH (card->membase + 0x5C) 465 #define SAR_REG_RAWHND (card->membase + 0x60) 466 #define SAR_REG_RXSTAT (card->membase + 0x64) 467 #define SAR_REG_ABRSTD (card->membase + 0x68) 468 #define SAR_REG_ABRRQ (card->membase + 0x6C) 469 #define SAR_REG_VBRRQ (card->membase + 0x70) 470 #define SAR_REG_RTBL (card->membase + 0x74) 471 #define SAR_REG_MDFCT (card->membase + 0x78) 472 #define SAR_REG_TXSTAT (card->membase + 0x7C) 473 #define SAR_REG_TCMDQ (card->membase + 0x80) 474 #define SAR_REG_IRCP (card->membase + 0x84) 475 #define SAR_REG_FBQP0 (card->membase + 0x88) 476 #define SAR_REG_FBQP1 (card->membase + 0x8C) 477 #define SAR_REG_FBQP2 (card->membase + 0x90) 478 #define SAR_REG_FBQP3 (card->membase + 0x94) 479 #define SAR_REG_FBQS0 (card->membase + 0x98) 480 #define SAR_REG_FBQS1 (card->membase + 0x9C) 481 #define SAR_REG_FBQS2 (card->membase + 0xA0) 482 #define SAR_REG_FBQS3 (card->membase + 0xA4) 483 #define SAR_REG_FBQWP0 (card->membase + 0xA8) 484 #define SAR_REG_FBQWP1 (card->membase + 0xAC) 485 #define SAR_REG_FBQWP2 (card->membase + 0xB0) 486 #define SAR_REG_FBQWP3 (card->membase + 0xB4) 487 #define SAR_REG_NOW (card->membase + 0xB8) 488 489 490 /*****************************************************************************/ 491 /* */ 492 /* Commands */ 493 /* */ 494 /*****************************************************************************/ 495 496 #define SAR_CMD_NO_OPERATION 0x00000000 497 #define SAR_CMD_OPENCLOSE_CONNECTION 0x20000000 498 #define SAR_CMD_WRITE_SRAM 0x40000000 499 #define SAR_CMD_READ_SRAM 0x50000000 500 #define SAR_CMD_READ_UTILITY 0x80000000 501 #define SAR_CMD_WRITE_UTILITY 0x90000000 502 503 #define SAR_CMD_OPEN_CONNECTION (SAR_CMD_OPENCLOSE_CONNECTION | 0x00080000) 504 #define SAR_CMD_CLOSE_CONNECTION SAR_CMD_OPENCLOSE_CONNECTION 505 506 507 /*****************************************************************************/ 508 /* */ 509 /* Configuration Register bits */ 510 /* */ 511 /*****************************************************************************/ 512 513 #define SAR_CFG_SWRST 0x80000000 /* Software reset */ 514 #define SAR_CFG_LOOP 0x40000000 /* Internal Loopback */ 515 #define SAR_CFG_RXPTH 0x20000000 /* Receive Path Enable */ 516 #define SAR_CFG_IDLE_CLP 0x10000000 /* SAR set CLP Bits of Null Cells */ 517 #define SAR_CFG_TX_FIFO_SIZE_1 0x04000000 /* TX FIFO Size = 1 cell */ 518 #define SAR_CFG_TX_FIFO_SIZE_2 0x08000000 /* TX FIFO Size = 2 cells */ 519 #define SAR_CFG_TX_FIFO_SIZE_4 0x0C000000 /* TX FIFO Size = 4 cells */ 520 #define SAR_CFG_TX_FIFO_SIZE_9 0x00000000 /* TX FIFO Size = 9 cells (full) */ 521 #define SAR_CFG_NO_IDLE 0x02000000 /* SAR sends no Null Cells */ 522 #define SAR_CFG_RSVD1 0x01000000 /* Reserved */ 523 #define SAR_CFG_RXSTQ_SIZE_2k 0x00000000 /* RX Stat Queue Size = 2048 byte */ 524 #define SAR_CFG_RXSTQ_SIZE_4k 0x00400000 /* RX Stat Queue Size = 4096 byte */ 525 #define SAR_CFG_RXSTQ_SIZE_8k 0x00800000 /* RX Stat Queue Size = 8192 byte */ 526 #define SAR_CFG_RXSTQ_SIZE_R 0x00C00000 /* RX Stat Queue Size = reserved */ 527 #define SAR_CFG_ICAPT 0x00200000 /* accept Invalid Cells */ 528 #define SAR_CFG_IGGFC 0x00100000 /* Ignore GFC */ 529 #define SAR_CFG_VPVCS_0 0x00000000 /* VPI/VCI Select bit range */ 530 #define SAR_CFG_VPVCS_1 0x00040000 /* VPI/VCI Select bit range */ 531 #define SAR_CFG_VPVCS_2 0x00080000 /* VPI/VCI Select bit range */ 532 #define SAR_CFG_VPVCS_8 0x000C0000 /* VPI/VCI Select bit range */ 533 #define SAR_CFG_CNTBL_1k 0x00000000 /* Connection Table Size */ 534 #define SAR_CFG_CNTBL_4k 0x00010000 /* Connection Table Size */ 535 #define SAR_CFG_CNTBL_16k 0x00020000 /* Connection Table Size */ 536 #define SAR_CFG_CNTBL_512 0x00030000 /* Connection Table Size */ 537 #define SAR_CFG_VPECA 0x00008000 /* VPI/VCI Error Cell Accept */ 538 #define SAR_CFG_RXINT_NOINT 0x00000000 /* No Interrupt on PDU received */ 539 #define SAR_CFG_RXINT_NODELAY 0x00001000 /* Interrupt without delay to host*/ 540 #define SAR_CFG_RXINT_256US 0x00002000 /* Interrupt with delay 256 usec */ 541 #define SAR_CFG_RXINT_505US 0x00003000 /* Interrupt with delay 505 usec */ 542 #define SAR_CFG_RXINT_742US 0x00004000 /* Interrupt with delay 742 usec */ 543 #define SAR_CFG_RAWIE 0x00000800 /* Raw Cell Queue Interrupt Enable*/ 544 #define SAR_CFG_RQFIE 0x00000400 /* RSQ Almost Full Int Enable */ 545 #define SAR_CFG_RSVD2 0x00000200 /* Reserved */ 546 #define SAR_CFG_CACHE 0x00000100 /* DMA on Cache Line Boundary */ 547 #define SAR_CFG_TMOIE 0x00000080 /* Timer Roll Over Int Enable */ 548 #define SAR_CFG_FBIE 0x00000040 /* Free Buffer Queue Int Enable */ 549 #define SAR_CFG_TXEN 0x00000020 /* Transmit Operation Enable */ 550 #define SAR_CFG_TXINT 0x00000010 /* Transmit status Int Enable */ 551 #define SAR_CFG_TXUIE 0x00000008 /* Transmit underrun Int Enable */ 552 #define SAR_CFG_UMODE 0x00000004 /* Utopia Mode Select */ 553 #define SAR_CFG_TXSFI 0x00000002 /* Transmit status Full Int Enable*/ 554 #define SAR_CFG_PHYIE 0x00000001 /* PHY Interrupt Enable */ 555 556 #define SAR_CFG_TX_FIFO_SIZE_MASK 0x0C000000 /* TX FIFO Size Mask */ 557 #define SAR_CFG_RXSTQSIZE_MASK 0x00C00000 558 #define SAR_CFG_CNTBL_MASK 0x00030000 559 #define SAR_CFG_RXINT_MASK 0x00007000 560 561 562 /*****************************************************************************/ 563 /* */ 564 /* Status Register bits */ 565 /* */ 566 /*****************************************************************************/ 567 568 #define SAR_STAT_FRAC_3 0xF0000000 /* Fraction of Free Buffer Queue 3 */ 569 #define SAR_STAT_FRAC_2 0x0F000000 /* Fraction of Free Buffer Queue 2 */ 570 #define SAR_STAT_FRAC_1 0x00F00000 /* Fraction of Free Buffer Queue 1 */ 571 #define SAR_STAT_FRAC_0 0x000F0000 /* Fraction of Free Buffer Queue 0 */ 572 #define SAR_STAT_TSIF 0x00008000 /* Transmit Status Indicator */ 573 #define SAR_STAT_TXICP 0x00004000 /* Transmit Status Indicator */ 574 #define SAR_STAT_RSVD1 0x00002000 /* Reserved */ 575 #define SAR_STAT_TSQF 0x00001000 /* Transmit Status Queue full */ 576 #define SAR_STAT_TMROF 0x00000800 /* Timer overflow */ 577 #define SAR_STAT_PHYI 0x00000400 /* PHY device Interrupt flag */ 578 #define SAR_STAT_CMDBZ 0x00000200 /* ABR SAR Command Busy Flag */ 579 #define SAR_STAT_FBQ3A 0x00000100 /* Free Buffer Queue 3 Attention */ 580 #define SAR_STAT_FBQ2A 0x00000080 /* Free Buffer Queue 2 Attention */ 581 #define SAR_STAT_RSQF 0x00000040 /* Receive Status Queue full */ 582 #define SAR_STAT_EPDU 0x00000020 /* End Of PDU Flag */ 583 #define SAR_STAT_RAWCF 0x00000010 /* Raw Cell Flag */ 584 #define SAR_STAT_FBQ1A 0x00000008 /* Free Buffer Queue 1 Attention */ 585 #define SAR_STAT_FBQ0A 0x00000004 /* Free Buffer Queue 0 Attention */ 586 #define SAR_STAT_RSQAF 0x00000002 /* Receive Status Queue almost full*/ 587 #define SAR_STAT_RSVD2 0x00000001 /* Reserved */ 588 589 590 /*****************************************************************************/ 591 /* */ 592 /* General Purpose Register bits */ 593 /* */ 594 /*****************************************************************************/ 595 596 #define SAR_GP_TXNCC_MASK 0xff000000 /* Transmit Negative Credit Count */ 597 #define SAR_GP_EEDI 0x00010000 /* EEPROM Data In */ 598 #define SAR_GP_BIGE 0x00008000 /* Big Endian Operation */ 599 #define SAR_GP_RM_NORMAL 0x00000000 /* Normal handling of RM cells */ 600 #define SAR_GP_RM_TO_RCQ 0x00002000 /* put RM cells into Raw Cell Queue */ 601 #define SAR_GP_RM_RSVD 0x00004000 /* Reserved */ 602 #define SAR_GP_RM_INHIBIT 0x00006000 /* Inhibit update of Connection tab */ 603 #define SAR_GP_PHY_RESET 0x00000008 /* PHY Reset */ 604 #define SAR_GP_EESCLK 0x00000004 /* EEPROM SCLK */ 605 #define SAR_GP_EECS 0x00000002 /* EEPROM Chip Select */ 606 #define SAR_GP_EEDO 0x00000001 /* EEPROM Data Out */ 607 608 609 /*****************************************************************************/ 610 /* */ 611 /* SAR local SRAM layout for 128k work SRAM */ 612 /* */ 613 /*****************************************************************************/ 614 615 #define SAR_SRAM_SCD_SIZE 12 616 #define SAR_SRAM_TCT_SIZE 8 617 #define SAR_SRAM_RCT_SIZE 4 618 619 #define SAR_SRAM_TCT_128_BASE 0x00000 620 #define SAR_SRAM_TCT_128_TOP 0x01fff 621 #define SAR_SRAM_RCT_128_BASE 0x02000 622 #define SAR_SRAM_RCT_128_TOP 0x02fff 623 #define SAR_SRAM_FB0_128_BASE 0x03000 624 #define SAR_SRAM_FB0_128_TOP 0x033ff 625 #define SAR_SRAM_FB1_128_BASE 0x03400 626 #define SAR_SRAM_FB1_128_TOP 0x037ff 627 #define SAR_SRAM_FB2_128_BASE 0x03800 628 #define SAR_SRAM_FB2_128_TOP 0x03bff 629 #define SAR_SRAM_FB3_128_BASE 0x03c00 630 #define SAR_SRAM_FB3_128_TOP 0x03fff 631 #define SAR_SRAM_SCD_128_BASE 0x04000 632 #define SAR_SRAM_SCD_128_TOP 0x07fff 633 #define SAR_SRAM_TST1_128_BASE 0x08000 634 #define SAR_SRAM_TST1_128_TOP 0x0bfff 635 #define SAR_SRAM_TST2_128_BASE 0x0c000 636 #define SAR_SRAM_TST2_128_TOP 0x0ffff 637 #define SAR_SRAM_ABRSTD_128_BASE 0x10000 638 #define SAR_SRAM_ABRSTD_128_TOP 0x13fff 639 #define SAR_SRAM_RT_128_BASE 0x14000 640 #define SAR_SRAM_RT_128_TOP 0x15fff 641 642 #define SAR_SRAM_FIFO_128_BASE 0x18000 643 #define SAR_SRAM_FIFO_128_TOP 0x1ffff 644 645 646 /*****************************************************************************/ 647 /* */ 648 /* SAR local SRAM layout for 32k work SRAM */ 649 /* */ 650 /*****************************************************************************/ 651 652 #define SAR_SRAM_TCT_32_BASE 0x00000 653 #define SAR_SRAM_TCT_32_TOP 0x00fff 654 #define SAR_SRAM_RCT_32_BASE 0x01000 655 #define SAR_SRAM_RCT_32_TOP 0x017ff 656 #define SAR_SRAM_FB0_32_BASE 0x01800 657 #define SAR_SRAM_FB0_32_TOP 0x01bff 658 #define SAR_SRAM_FB1_32_BASE 0x01c00 659 #define SAR_SRAM_FB1_32_TOP 0x01fff 660 #define SAR_SRAM_FB2_32_BASE 0x02000 661 #define SAR_SRAM_FB2_32_TOP 0x023ff 662 #define SAR_SRAM_FB3_32_BASE 0x02400 663 #define SAR_SRAM_FB3_32_TOP 0x027ff 664 #define SAR_SRAM_SCD_32_BASE 0x02800 665 #define SAR_SRAM_SCD_32_TOP 0x03fff 666 #define SAR_SRAM_TST1_32_BASE 0x04000 667 #define SAR_SRAM_TST1_32_TOP 0x04fff 668 #define SAR_SRAM_TST2_32_BASE 0x05000 669 #define SAR_SRAM_TST2_32_TOP 0x05fff 670 #define SAR_SRAM_ABRSTD_32_BASE 0x06000 671 #define SAR_SRAM_ABRSTD_32_TOP 0x067ff 672 #define SAR_SRAM_RT_32_BASE 0x06800 673 #define SAR_SRAM_RT_32_TOP 0x06fff 674 #define SAR_SRAM_FIFO_32_BASE 0x07000 675 #define SAR_SRAM_FIFO_32_TOP 0x07fff 676 677 678 /*****************************************************************************/ 679 /* */ 680 /* TSR - Transmit Status Request */ 681 /* */ 682 /*****************************************************************************/ 683 684 #define SAR_TSR_TYPE_TSR 0x80000000 685 #define SAR_TSR_TYPE_TBD 0x00000000 686 #define SAR_TSR_TSIF 0x20000000 687 #define SAR_TSR_TAG_MASK 0x01F00000 688 689 690 /*****************************************************************************/ 691 /* */ 692 /* TBD - Transmit Buffer Descriptor */ 693 /* */ 694 /*****************************************************************************/ 695 696 #define SAR_TBD_EPDU 0x40000000 697 #define SAR_TBD_TSIF 0x20000000 698 #define SAR_TBD_OAM 0x10000000 699 #define SAR_TBD_AAL0 0x00000000 700 #define SAR_TBD_AAL34 0x04000000 701 #define SAR_TBD_AAL5 0x08000000 702 #define SAR_TBD_GTSI 0x02000000 703 #define SAR_TBD_TAG_MASK 0x01F00000 704 705 #define SAR_TBD_VPI_MASK 0x0FF00000 706 #define SAR_TBD_VCI_MASK 0x000FFFF0 707 #define SAR_TBD_VC_MASK (SAR_TBD_VPI_MASK | SAR_TBD_VCI_MASK) 708 709 #define SAR_TBD_VPI_SHIFT 20 710 #define SAR_TBD_VCI_SHIFT 4 711 712 713 /*****************************************************************************/ 714 /* */ 715 /* RXFD - Receive FIFO Descriptor */ 716 /* */ 717 /*****************************************************************************/ 718 719 #define SAR_RXFD_SIZE_MASK 0x0F000000 720 #define SAR_RXFD_SIZE_512 0x00000000 /* 512 words */ 721 #define SAR_RXFD_SIZE_1K 0x01000000 /* 1k words */ 722 #define SAR_RXFD_SIZE_2K 0x02000000 /* 2k words */ 723 #define SAR_RXFD_SIZE_4K 0x03000000 /* 4k words */ 724 #define SAR_RXFD_SIZE_8K 0x04000000 /* 8k words */ 725 #define SAR_RXFD_SIZE_16K 0x05000000 /* 16k words */ 726 #define SAR_RXFD_SIZE_32K 0x06000000 /* 32k words */ 727 #define SAR_RXFD_SIZE_64K 0x07000000 /* 64k words */ 728 #define SAR_RXFD_SIZE_128K 0x08000000 /* 128k words */ 729 #define SAR_RXFD_SIZE_256K 0x09000000 /* 256k words */ 730 #define SAR_RXFD_ADDR_MASK 0x001ffc00 731 732 733 /*****************************************************************************/ 734 /* */ 735 /* ABRSTD - ABR + VBR Schedule Tables */ 736 /* */ 737 /*****************************************************************************/ 738 739 #define SAR_ABRSTD_SIZE_MASK 0x07000000 740 #define SAR_ABRSTD_SIZE_512 0x00000000 /* 512 words */ 741 #define SAR_ABRSTD_SIZE_1K 0x01000000 /* 1k words */ 742 #define SAR_ABRSTD_SIZE_2K 0x02000000 /* 2k words */ 743 #define SAR_ABRSTD_SIZE_4K 0x03000000 /* 4k words */ 744 #define SAR_ABRSTD_SIZE_8K 0x04000000 /* 8k words */ 745 #define SAR_ABRSTD_SIZE_16K 0x05000000 /* 16k words */ 746 #define SAR_ABRSTD_ADDR_MASK 0x001ffc00 747 748 749 /*****************************************************************************/ 750 /* */ 751 /* RCTE - Receive Connection Table Entry */ 752 /* */ 753 /*****************************************************************************/ 754 755 #define SAR_RCTE_IL_MASK 0xE0000000 /* inactivity limit */ 756 #define SAR_RCTE_IC_MASK 0x1C000000 /* inactivity count */ 757 #define SAR_RCTE_RSVD 0x02000000 /* reserved */ 758 #define SAR_RCTE_LCD 0x01000000 /* last cell data */ 759 #define SAR_RCTE_CI_VC 0x00800000 /* EFCI in previous cell of VC */ 760 #define SAR_RCTE_FBP_01 0x00000000 /* 1. cell->FBQ0, others->FBQ1 */ 761 #define SAR_RCTE_FBP_1 0x00200000 /* use FBQ 1 for all cells */ 762 #define SAR_RCTE_FBP_2 0x00400000 /* use FBQ 2 for all cells */ 763 #define SAR_RCTE_FBP_3 0x00600000 /* use FBQ 3 for all cells */ 764 #define SAR_RCTE_NZ_GFC 0x00100000 /* non zero GFC in all cell of VC */ 765 #define SAR_RCTE_CONNECTOPEN 0x00080000 /* VC is open */ 766 #define SAR_RCTE_AAL_MASK 0x00070000 /* mask for AAL type field s.b. */ 767 #define SAR_RCTE_RAWCELLINTEN 0x00008000 /* raw cell interrupt enable */ 768 #define SAR_RCTE_RXCONCELLADDR 0x00004000 /* RX constant cell address */ 769 #define SAR_RCTE_BUFFSTAT_MASK 0x00003000 /* buffer status */ 770 #define SAR_RCTE_EFCI 0x00000800 /* EFCI Congestion flag */ 771 #define SAR_RCTE_CLP 0x00000400 /* Cell Loss Priority flag */ 772 #define SAR_RCTE_CRC 0x00000200 /* Received CRC Error */ 773 #define SAR_RCTE_CELLCNT_MASK 0x000001FF /* cell Count */ 774 775 #define SAR_RCTE_AAL0 0x00000000 /* AAL types for ALL field */ 776 #define SAR_RCTE_AAL34 0x00010000 777 #define SAR_RCTE_AAL5 0x00020000 778 #define SAR_RCTE_RCQ 0x00030000 779 #define SAR_RCTE_OAM 0x00040000 780 781 #define TCMDQ_START 0x01000000 782 #define TCMDQ_LACR 0x02000000 783 #define TCMDQ_START_LACR 0x03000000 784 #define TCMDQ_INIT_ER 0x04000000 785 #define TCMDQ_HALT 0x05000000 786 787 788 struct idt77252_skb_prv { 789 struct scqe tbd; /* Transmit Buffer Descriptor */ 790 dma_addr_t paddr; /* DMA handle */ 791 u32 pool; /* sb_pool handle */ 792 }; 793 794 #define IDT77252_PRV_TBD(skb) \ 795 (((struct idt77252_skb_prv *)(ATM_SKB(skb)+1))->tbd) 796 #define IDT77252_PRV_PADDR(skb) \ 797 (((struct idt77252_skb_prv *)(ATM_SKB(skb)+1))->paddr) 798 #define IDT77252_PRV_POOL(skb) \ 799 (((struct idt77252_skb_prv *)(ATM_SKB(skb)+1))->pool) 800 801 /*****************************************************************************/ 802 /* */ 803 /* PCI related items */ 804 /* */ 805 /*****************************************************************************/ 806 807 #ifndef PCI_VENDOR_ID_IDT 808 #define PCI_VENDOR_ID_IDT 0x111D 809 #endif /* PCI_VENDOR_ID_IDT */ 810 811 #ifndef PCI_DEVICE_ID_IDT_IDT77252 812 #define PCI_DEVICE_ID_IDT_IDT77252 0x0003 813 #endif /* PCI_DEVICE_ID_IDT_IDT772052 */ 814 815 816 #endif /* !(_IDT77252_H) */ 817