Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /******************************************************************* |
| 2 | * ident "$Id: idt77252.h,v 1.2 2001/11/11 08:13:54 ecd Exp $" |
| 3 | * |
| 4 | * $Author: ecd $ |
| 5 | * $Date: 2001/11/11 08:13:54 $ |
| 6 | * |
| 7 | * Copyright (c) 2000 ATecoM GmbH |
| 8 | * |
| 9 | * The author may be reached at ecd@atecom.com. |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify it |
| 12 | * under the terms of the GNU General Public License as published by the |
| 13 | * Free Software Foundation; either version 2 of the License, or (at your |
| 14 | * option) any later version. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| 19 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 22 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 23 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | * |
| 27 | * You should have received a copy of the GNU General Public License along |
| 28 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 29 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 30 | * |
| 31 | *******************************************************************/ |
| 32 | |
| 33 | #ifndef _IDT77252_H |
| 34 | #define _IDT77252_H 1 |
| 35 | |
| 36 | |
| 37 | #include <linux/ptrace.h> |
| 38 | #include <linux/skbuff.h> |
| 39 | #include <linux/workqueue.h> |
| 40 | |
| 41 | |
| 42 | /*****************************************************************************/ |
| 43 | /* */ |
| 44 | /* Makros */ |
| 45 | /* */ |
| 46 | /*****************************************************************************/ |
| 47 | #define VPCI2VC(card, vpi, vci) \ |
| 48 | (((vpi) << card->vcibits) | ((vci) & card->vcimask)) |
| 49 | |
| 50 | /*****************************************************************************/ |
| 51 | /* */ |
| 52 | /* DEBUGGING definitions */ |
| 53 | /* */ |
| 54 | /*****************************************************************************/ |
| 55 | |
| 56 | #define DBG_RAW_CELL 0x00000400 |
| 57 | #define DBG_TINY 0x00000200 |
| 58 | #define DBG_GENERAL 0x00000100 |
| 59 | #define DBG_XGENERAL 0x00000080 |
| 60 | #define DBG_INIT 0x00000040 |
| 61 | #define DBG_DEINIT 0x00000020 |
| 62 | #define DBG_INTERRUPT 0x00000010 |
| 63 | #define DBG_OPEN_CONN 0x00000008 |
| 64 | #define DBG_CLOSE_CONN 0x00000004 |
| 65 | #define DBG_RX_DATA 0x00000002 |
| 66 | #define DBG_TX_DATA 0x00000001 |
| 67 | |
| 68 | #ifdef CONFIG_ATM_IDT77252_DEBUG |
| 69 | |
| 70 | #define CPRINTK(args...) do { if (debug & DBG_CLOSE_CONN) printk(args); } while(0) |
| 71 | #define OPRINTK(args...) do { if (debug & DBG_OPEN_CONN) printk(args); } while(0) |
| 72 | #define IPRINTK(args...) do { if (debug & DBG_INIT) printk(args); } while(0) |
| 73 | #define INTPRINTK(args...) do { if (debug & DBG_INTERRUPT) printk(args); } while(0) |
| 74 | #define DIPRINTK(args...) do { if (debug & DBG_DEINIT) printk(args); } while(0) |
| 75 | #define TXPRINTK(args...) do { if (debug & DBG_TX_DATA) printk(args); } while(0) |
| 76 | #define RXPRINTK(args...) do { if (debug & DBG_RX_DATA) printk(args); } while(0) |
| 77 | #define XPRINTK(args...) do { if (debug & DBG_XGENERAL) printk(args); } while(0) |
| 78 | #define DPRINTK(args...) do { if (debug & DBG_GENERAL) printk(args); } while(0) |
| 79 | #define NPRINTK(args...) do { if (debug & DBG_TINY) printk(args); } while(0) |
| 80 | #define RPRINTK(args...) do { if (debug & DBG_RAW_CELL) printk(args); } while(0) |
| 81 | |
| 82 | #else |
| 83 | |
| 84 | #define CPRINTK(args...) do { } while(0) |
| 85 | #define OPRINTK(args...) do { } while(0) |
| 86 | #define IPRINTK(args...) do { } while(0) |
| 87 | #define INTPRINTK(args...) do { } while(0) |
| 88 | #define DIPRINTK(args...) do { } while(0) |
| 89 | #define TXPRINTK(args...) do { } while(0) |
| 90 | #define RXPRINTK(args...) do { } while(0) |
| 91 | #define XPRINTK(args...) do { } while(0) |
| 92 | #define DPRINTK(args...) do { } while(0) |
| 93 | #define NPRINTK(args...) do { } while(0) |
| 94 | #define RPRINTK(args...) do { } while(0) |
| 95 | |
| 96 | #endif |
| 97 | |
| 98 | #define SCHED_UBR0 0 |
| 99 | #define SCHED_UBR 1 |
| 100 | #define SCHED_VBR 2 |
| 101 | #define SCHED_ABR 3 |
| 102 | #define SCHED_CBR 4 |
| 103 | |
| 104 | #define SCQFULL_TIMEOUT HZ |
| 105 | |
| 106 | /*****************************************************************************/ |
| 107 | /* */ |
| 108 | /* Free Buffer Queue Layout */ |
| 109 | /* */ |
| 110 | /*****************************************************************************/ |
| 111 | #define SAR_FB_SIZE_0 (2048 - 256) |
| 112 | #define SAR_FB_SIZE_1 (4096 - 256) |
| 113 | #define SAR_FB_SIZE_2 (8192 - 256) |
| 114 | #define SAR_FB_SIZE_3 (16384 - 256) |
| 115 | |
| 116 | #define SAR_FBQ0_LOW 4 |
| 117 | #define SAR_FBQ0_HIGH 8 |
| 118 | #define SAR_FBQ1_LOW 2 |
| 119 | #define SAR_FBQ1_HIGH 4 |
| 120 | #define SAR_FBQ2_LOW 1 |
| 121 | #define SAR_FBQ2_HIGH 2 |
| 122 | #define SAR_FBQ3_LOW 1 |
| 123 | #define SAR_FBQ3_HIGH 2 |
| 124 | |
| 125 | #if 0 |
| 126 | #define SAR_TST_RESERVED 44 /* Num TST reserved for UBR/ABR/VBR */ |
| 127 | #else |
| 128 | #define SAR_TST_RESERVED 0 /* Num TST reserved for UBR/ABR/VBR */ |
| 129 | #endif |
| 130 | |
| 131 | #define TCT_CBR 0x00000000 |
| 132 | #define TCT_UBR 0x00000000 |
| 133 | #define TCT_VBR 0x40000000 |
| 134 | #define TCT_ABR 0x80000000 |
| 135 | #define TCT_TYPE 0xc0000000 |
| 136 | |
| 137 | #define TCT_RR 0x20000000 |
| 138 | #define TCT_LMCR 0x08000000 |
| 139 | #define TCT_SCD_MASK 0x0007ffff |
| 140 | |
| 141 | #define TCT_TSIF 0x00004000 |
| 142 | #define TCT_HALT 0x80000000 |
| 143 | #define TCT_IDLE 0x40000000 |
| 144 | #define TCT_FLAG_UBR 0x80000000 |
| 145 | |
| 146 | /*****************************************************************************/ |
| 147 | /* */ |
| 148 | /* Structure describing an IDT77252 */ |
| 149 | /* */ |
| 150 | /*****************************************************************************/ |
| 151 | |
| 152 | struct scqe |
| 153 | { |
| 154 | u32 word_1; |
| 155 | u32 word_2; |
| 156 | u32 word_3; |
| 157 | u32 word_4; |
| 158 | }; |
| 159 | |
| 160 | #define SCQ_ENTRIES 64 |
| 161 | #define SCQ_SIZE (SCQ_ENTRIES * sizeof(struct scqe)) |
| 162 | #define SCQ_MASK (SCQ_SIZE - 1) |
| 163 | |
| 164 | struct scq_info |
| 165 | { |
| 166 | struct scqe *base; |
| 167 | struct scqe *next; |
| 168 | struct scqe *last; |
| 169 | dma_addr_t paddr; |
| 170 | spinlock_t lock; |
| 171 | atomic_t used; |
| 172 | unsigned long trans_start; |
| 173 | unsigned long scd; |
| 174 | spinlock_t skblock; |
| 175 | struct sk_buff_head transmit; |
| 176 | struct sk_buff_head pending; |
| 177 | }; |
| 178 | |
| 179 | struct rx_pool { |
| 180 | struct sk_buff *first; |
| 181 | struct sk_buff **last; |
| 182 | unsigned int len; |
| 183 | unsigned int count; |
| 184 | }; |
| 185 | |
| 186 | struct aal1 { |
| 187 | unsigned int total; |
| 188 | unsigned int count; |
| 189 | struct sk_buff *data; |
| 190 | unsigned char sequence; |
| 191 | }; |
| 192 | |
| 193 | struct rate_estimator { |
| 194 | struct timer_list timer; |
| 195 | unsigned int interval; |
| 196 | unsigned int ewma_log; |
| 197 | u64 cells; |
| 198 | u64 last_cells; |
| 199 | long avcps; |
| 200 | u32 cps; |
| 201 | u32 maxcps; |
| 202 | }; |
| 203 | |
| 204 | struct vc_map { |
| 205 | unsigned int index; |
| 206 | unsigned long flags; |
| 207 | #define VCF_TX 0 |
| 208 | #define VCF_RX 1 |
| 209 | #define VCF_IDLE 2 |
| 210 | #define VCF_RSV 3 |
| 211 | unsigned int class; |
| 212 | u8 init_er; |
| 213 | u8 lacr; |
| 214 | u8 max_er; |
| 215 | unsigned int ntste; |
| 216 | spinlock_t lock; |
| 217 | struct atm_vcc *tx_vcc; |
| 218 | struct atm_vcc *rx_vcc; |
| 219 | struct idt77252_dev *card; |
| 220 | struct scq_info *scq; /* To keep track of the SCQ */ |
| 221 | struct rate_estimator *estimator; |
| 222 | int scd_index; |
| 223 | union { |
| 224 | struct rx_pool rx_pool; |
| 225 | struct aal1 aal1; |
| 226 | } rcv; |
| 227 | }; |
| 228 | |
| 229 | /*****************************************************************************/ |
| 230 | /* */ |
| 231 | /* RCTE - Receive Connection Table Entry */ |
| 232 | /* */ |
| 233 | /*****************************************************************************/ |
| 234 | |
| 235 | struct rct_entry |
| 236 | { |
| 237 | u32 word_1; |
| 238 | u32 buffer_handle; |
| 239 | u32 dma_address; |
| 240 | u32 aal5_crc32; |
| 241 | }; |
| 242 | |
| 243 | /*****************************************************************************/ |
| 244 | /* */ |
| 245 | /* RSQ - Receive Status Queue */ |
| 246 | /* */ |
| 247 | /*****************************************************************************/ |
| 248 | |
| 249 | #define SAR_RSQE_VALID 0x80000000 |
| 250 | #define SAR_RSQE_IDLE 0x40000000 |
| 251 | #define SAR_RSQE_BUF_MASK 0x00030000 |
| 252 | #define SAR_RSQE_BUF_ASGN 0x00008000 |
| 253 | #define SAR_RSQE_NZGFC 0x00004000 |
| 254 | #define SAR_RSQE_EPDU 0x00002000 |
| 255 | #define SAR_RSQE_BUF_CONT 0x00001000 |
| 256 | #define SAR_RSQE_EFCIE 0x00000800 |
| 257 | #define SAR_RSQE_CLP 0x00000400 |
| 258 | #define SAR_RSQE_CRC 0x00000200 |
| 259 | #define SAR_RSQE_CELLCNT 0x000001FF |
| 260 | |
| 261 | |
| 262 | #define RSQSIZE 8192 |
| 263 | #define RSQ_NUM_ENTRIES (RSQSIZE / 16) |
| 264 | #define RSQ_ALIGNMENT 8192 |
| 265 | |
| 266 | struct rsq_entry { |
| 267 | u32 word_1; |
| 268 | u32 word_2; |
| 269 | u32 word_3; |
| 270 | u32 word_4; |
| 271 | }; |
| 272 | |
| 273 | struct rsq_info { |
| 274 | struct rsq_entry *base; |
| 275 | struct rsq_entry *next; |
| 276 | struct rsq_entry *last; |
| 277 | dma_addr_t paddr; |
| 278 | }; |
| 279 | |
| 280 | |
| 281 | /*****************************************************************************/ |
| 282 | /* */ |
| 283 | /* TSQ - Transmit Status Queue */ |
| 284 | /* */ |
| 285 | /*****************************************************************************/ |
| 286 | |
| 287 | #define SAR_TSQE_INVALID 0x80000000 |
| 288 | #define SAR_TSQE_TIMESTAMP 0x00FFFFFF |
| 289 | #define SAR_TSQE_TYPE 0x60000000 |
| 290 | #define SAR_TSQE_TYPE_TIMER 0x00000000 |
| 291 | #define SAR_TSQE_TYPE_TSR 0x20000000 |
| 292 | #define SAR_TSQE_TYPE_IDLE 0x40000000 |
| 293 | #define SAR_TSQE_TYPE_TBD_COMP 0x60000000 |
| 294 | |
| 295 | #define SAR_TSQE_TAG(stat) (((stat) >> 24) & 0x1f) |
| 296 | |
| 297 | #define TSQSIZE 8192 |
| 298 | #define TSQ_NUM_ENTRIES 1024 |
| 299 | #define TSQ_ALIGNMENT 8192 |
| 300 | |
| 301 | struct tsq_entry |
| 302 | { |
| 303 | u32 word_1; |
| 304 | u32 word_2; |
| 305 | }; |
| 306 | |
| 307 | struct tsq_info |
| 308 | { |
| 309 | struct tsq_entry *base; |
| 310 | struct tsq_entry *next; |
| 311 | struct tsq_entry *last; |
| 312 | dma_addr_t paddr; |
| 313 | }; |
| 314 | |
| 315 | struct tst_info |
| 316 | { |
| 317 | struct vc_map *vc; |
| 318 | u32 tste; |
| 319 | }; |
| 320 | |
| 321 | #define TSTE_MASK 0x601fffff |
| 322 | |
| 323 | #define TSTE_OPC_MASK 0x60000000 |
| 324 | #define TSTE_OPC_NULL 0x00000000 |
| 325 | #define TSTE_OPC_CBR 0x20000000 |
| 326 | #define TSTE_OPC_VAR 0x40000000 |
| 327 | #define TSTE_OPC_JMP 0x60000000 |
| 328 | |
| 329 | #define TSTE_PUSH_IDLE 0x01000000 |
| 330 | #define TSTE_PUSH_ACTIVE 0x02000000 |
| 331 | |
| 332 | #define TST_SWITCH_DONE 0 |
| 333 | #define TST_SWITCH_PENDING 1 |
| 334 | #define TST_SWITCH_WAIT 2 |
| 335 | |
| 336 | #define FBQ_SHIFT 9 |
| 337 | #define FBQ_SIZE (1 << FBQ_SHIFT) |
| 338 | #define FBQ_MASK (FBQ_SIZE - 1) |
| 339 | |
| 340 | struct sb_pool |
| 341 | { |
| 342 | unsigned int index; |
| 343 | struct sk_buff *skb[FBQ_SIZE]; |
| 344 | }; |
| 345 | |
| 346 | #define POOL_HANDLE(queue, index) (((queue + 1) << 16) | (index)) |
| 347 | #define POOL_QUEUE(handle) (((handle) >> 16) - 1) |
| 348 | #define POOL_INDEX(handle) ((handle) & 0xffff) |
| 349 | |
| 350 | struct idt77252_dev |
| 351 | { |
| 352 | struct tsq_info tsq; /* Transmit Status Queue */ |
| 353 | struct rsq_info rsq; /* Receive Status Queue */ |
| 354 | |
| 355 | struct pci_dev *pcidev; /* PCI handle (desriptor) */ |
| 356 | struct atm_dev *atmdev; /* ATM device desriptor */ |
| 357 | |
| 358 | void __iomem *membase; /* SAR's memory base address */ |
| 359 | unsigned long srambase; /* SAR's sram base address */ |
| 360 | void __iomem *fbq[4]; /* FBQ fill addresses */ |
| 361 | |
| 362 | struct semaphore mutex; |
| 363 | spinlock_t cmd_lock; /* for r/w utility/sram */ |
| 364 | |
| 365 | unsigned long softstat; |
| 366 | unsigned long flags; /* see blow */ |
| 367 | |
| 368 | struct work_struct tqueue; |
| 369 | |
| 370 | unsigned long tct_base; /* TCT base address in SRAM */ |
| 371 | unsigned long rct_base; /* RCT base address in SRAM */ |
| 372 | unsigned long rt_base; /* Rate Table base in SRAM */ |
| 373 | unsigned long scd_base; /* SCD base address in SRAM */ |
| 374 | unsigned long tst[2]; /* TST base address in SRAM */ |
| 375 | unsigned long abrst_base; /* ABRST base address in SRAM */ |
| 376 | unsigned long fifo_base; /* RX FIFO base in SRAM */ |
| 377 | |
| 378 | unsigned long irqstat[16]; |
| 379 | |
| 380 | unsigned int sramsize; /* SAR's sram size */ |
| 381 | |
| 382 | unsigned int tct_size; /* total TCT entries */ |
| 383 | unsigned int rct_size; /* total RCT entries */ |
| 384 | unsigned int scd_size; /* length of SCD */ |
| 385 | unsigned int tst_size; /* total TST entries */ |
| 386 | unsigned int tst_free; /* free TSTEs in TST */ |
| 387 | unsigned int abrst_size; /* size of ABRST in words */ |
| 388 | unsigned int fifo_size; /* size of RX FIFO in words */ |
| 389 | |
| 390 | unsigned int vpibits; /* Bits used for VPI index */ |
| 391 | unsigned int vcibits; /* Bits used for VCI index */ |
| 392 | unsigned int vcimask; /* Mask for VCI index */ |
| 393 | |
| 394 | unsigned int utopia_pcr; /* Utopia Itf's Cell Rate */ |
| 395 | unsigned int link_pcr; /* PHY's Peek Cell Rate */ |
| 396 | |
| 397 | struct vc_map **vcs; /* Open Connections */ |
| 398 | struct vc_map **scd2vc; /* SCD to Connection map */ |
| 399 | |
| 400 | struct tst_info *soft_tst; /* TST to Connection map */ |
| 401 | unsigned int tst_index; /* Current TST in use */ |
| 402 | struct timer_list tst_timer; |
| 403 | spinlock_t tst_lock; |
| 404 | unsigned long tst_state; |
| 405 | |
| 406 | struct sb_pool sbpool[4]; /* Pool of RX skbuffs */ |
| 407 | struct sk_buff *raw_cell_head; /* Pointer to raw cell queue */ |
| 408 | u32 *raw_cell_hnd; /* Pointer to RCQ handle */ |
| 409 | dma_addr_t raw_cell_paddr; |
| 410 | |
| 411 | int index; /* SAR's ID */ |
| 412 | int revision; /* chip revision */ |
| 413 | |
| 414 | char name[16]; /* Device name */ |
| 415 | |
| 416 | struct idt77252_dev *next; |
| 417 | }; |
| 418 | |
| 419 | |
| 420 | /* definition for flag field above */ |
| 421 | #define IDT77252_BIT_INIT 1 |
| 422 | #define IDT77252_BIT_INTERRUPT 2 |
| 423 | |
| 424 | |
| 425 | #define ATM_CELL_PAYLOAD 48 |
| 426 | |
| 427 | #define FREEBUF_ALIGNMENT 16 |
| 428 | |
| 429 | /*****************************************************************************/ |
| 430 | /* */ |
| 431 | /* Makros */ |
| 432 | /* */ |
| 433 | /*****************************************************************************/ |
| 434 | #define ALIGN_ADDRESS(addr, alignment) \ |
| 435 | ((((u32)(addr)) + (((u32)(alignment))-1)) & ~(((u32)(alignment)) - 1)) |
| 436 | |
| 437 | |
| 438 | /*****************************************************************************/ |
| 439 | /* */ |
| 440 | /* ABR SAR Network operation Register */ |
| 441 | /* */ |
| 442 | /*****************************************************************************/ |
| 443 | |
| 444 | #define SAR_REG_DR0 (card->membase + 0x00) |
| 445 | #define SAR_REG_DR1 (card->membase + 0x04) |
| 446 | #define SAR_REG_DR2 (card->membase + 0x08) |
| 447 | #define SAR_REG_DR3 (card->membase + 0x0C) |
| 448 | #define SAR_REG_CMD (card->membase + 0x10) |
| 449 | #define SAR_REG_CFG (card->membase + 0x14) |
| 450 | #define SAR_REG_STAT (card->membase + 0x18) |
| 451 | #define SAR_REG_RSQB (card->membase + 0x1C) |
| 452 | #define SAR_REG_RSQT (card->membase + 0x20) |
| 453 | #define SAR_REG_RSQH (card->membase + 0x24) |
| 454 | #define SAR_REG_CDC (card->membase + 0x28) |
| 455 | #define SAR_REG_VPEC (card->membase + 0x2C) |
| 456 | #define SAR_REG_ICC (card->membase + 0x30) |
| 457 | #define SAR_REG_RAWCT (card->membase + 0x34) |
| 458 | #define SAR_REG_TMR (card->membase + 0x38) |
| 459 | #define SAR_REG_TSTB (card->membase + 0x3C) |
| 460 | #define SAR_REG_TSQB (card->membase + 0x40) |
| 461 | #define SAR_REG_TSQT (card->membase + 0x44) |
| 462 | #define SAR_REG_TSQH (card->membase + 0x48) |
| 463 | #define SAR_REG_GP (card->membase + 0x4C) |
| 464 | #define SAR_REG_VPM (card->membase + 0x50) |
| 465 | #define SAR_REG_RXFD (card->membase + 0x54) |
| 466 | #define SAR_REG_RXFT (card->membase + 0x58) |
| 467 | #define SAR_REG_RXFH (card->membase + 0x5C) |
| 468 | #define SAR_REG_RAWHND (card->membase + 0x60) |
| 469 | #define SAR_REG_RXSTAT (card->membase + 0x64) |
| 470 | #define SAR_REG_ABRSTD (card->membase + 0x68) |
| 471 | #define SAR_REG_ABRRQ (card->membase + 0x6C) |
| 472 | #define SAR_REG_VBRRQ (card->membase + 0x70) |
| 473 | #define SAR_REG_RTBL (card->membase + 0x74) |
| 474 | #define SAR_REG_MDFCT (card->membase + 0x78) |
| 475 | #define SAR_REG_TXSTAT (card->membase + 0x7C) |
| 476 | #define SAR_REG_TCMDQ (card->membase + 0x80) |
| 477 | #define SAR_REG_IRCP (card->membase + 0x84) |
| 478 | #define SAR_REG_FBQP0 (card->membase + 0x88) |
| 479 | #define SAR_REG_FBQP1 (card->membase + 0x8C) |
| 480 | #define SAR_REG_FBQP2 (card->membase + 0x90) |
| 481 | #define SAR_REG_FBQP3 (card->membase + 0x94) |
| 482 | #define SAR_REG_FBQS0 (card->membase + 0x98) |
| 483 | #define SAR_REG_FBQS1 (card->membase + 0x9C) |
| 484 | #define SAR_REG_FBQS2 (card->membase + 0xA0) |
| 485 | #define SAR_REG_FBQS3 (card->membase + 0xA4) |
| 486 | #define SAR_REG_FBQWP0 (card->membase + 0xA8) |
| 487 | #define SAR_REG_FBQWP1 (card->membase + 0xAC) |
| 488 | #define SAR_REG_FBQWP2 (card->membase + 0xB0) |
| 489 | #define SAR_REG_FBQWP3 (card->membase + 0xB4) |
| 490 | #define SAR_REG_NOW (card->membase + 0xB8) |
| 491 | |
| 492 | |
| 493 | /*****************************************************************************/ |
| 494 | /* */ |
| 495 | /* Commands */ |
| 496 | /* */ |
| 497 | /*****************************************************************************/ |
| 498 | |
| 499 | #define SAR_CMD_NO_OPERATION 0x00000000 |
| 500 | #define SAR_CMD_OPENCLOSE_CONNECTION 0x20000000 |
| 501 | #define SAR_CMD_WRITE_SRAM 0x40000000 |
| 502 | #define SAR_CMD_READ_SRAM 0x50000000 |
| 503 | #define SAR_CMD_READ_UTILITY 0x80000000 |
| 504 | #define SAR_CMD_WRITE_UTILITY 0x90000000 |
| 505 | |
| 506 | #define SAR_CMD_OPEN_CONNECTION (SAR_CMD_OPENCLOSE_CONNECTION | 0x00080000) |
| 507 | #define SAR_CMD_CLOSE_CONNECTION SAR_CMD_OPENCLOSE_CONNECTION |
| 508 | |
| 509 | |
| 510 | /*****************************************************************************/ |
| 511 | /* */ |
| 512 | /* Configuration Register bits */ |
| 513 | /* */ |
| 514 | /*****************************************************************************/ |
| 515 | |
| 516 | #define SAR_CFG_SWRST 0x80000000 /* Software reset */ |
| 517 | #define SAR_CFG_LOOP 0x40000000 /* Internal Loopback */ |
| 518 | #define SAR_CFG_RXPTH 0x20000000 /* Receive Path Enable */ |
| 519 | #define SAR_CFG_IDLE_CLP 0x10000000 /* SAR set CLP Bits of Null Cells */ |
| 520 | #define SAR_CFG_TX_FIFO_SIZE_1 0x04000000 /* TX FIFO Size = 1 cell */ |
| 521 | #define SAR_CFG_TX_FIFO_SIZE_2 0x08000000 /* TX FIFO Size = 2 cells */ |
| 522 | #define SAR_CFG_TX_FIFO_SIZE_4 0x0C000000 /* TX FIFO Size = 4 cells */ |
| 523 | #define SAR_CFG_TX_FIFO_SIZE_9 0x00000000 /* TX FIFO Size = 9 cells (full) */ |
| 524 | #define SAR_CFG_NO_IDLE 0x02000000 /* SAR sends no Null Cells */ |
| 525 | #define SAR_CFG_RSVD1 0x01000000 /* Reserved */ |
| 526 | #define SAR_CFG_RXSTQ_SIZE_2k 0x00000000 /* RX Stat Queue Size = 2048 byte */ |
| 527 | #define SAR_CFG_RXSTQ_SIZE_4k 0x00400000 /* RX Stat Queue Size = 4096 byte */ |
| 528 | #define SAR_CFG_RXSTQ_SIZE_8k 0x00800000 /* RX Stat Queue Size = 8192 byte */ |
| 529 | #define SAR_CFG_RXSTQ_SIZE_R 0x00C00000 /* RX Stat Queue Size = reserved */ |
| 530 | #define SAR_CFG_ICAPT 0x00200000 /* accept Invalid Cells */ |
| 531 | #define SAR_CFG_IGGFC 0x00100000 /* Ignore GFC */ |
| 532 | #define SAR_CFG_VPVCS_0 0x00000000 /* VPI/VCI Select bit range */ |
| 533 | #define SAR_CFG_VPVCS_1 0x00040000 /* VPI/VCI Select bit range */ |
| 534 | #define SAR_CFG_VPVCS_2 0x00080000 /* VPI/VCI Select bit range */ |
| 535 | #define SAR_CFG_VPVCS_8 0x000C0000 /* VPI/VCI Select bit range */ |
| 536 | #define SAR_CFG_CNTBL_1k 0x00000000 /* Connection Table Size */ |
| 537 | #define SAR_CFG_CNTBL_4k 0x00010000 /* Connection Table Size */ |
| 538 | #define SAR_CFG_CNTBL_16k 0x00020000 /* Connection Table Size */ |
| 539 | #define SAR_CFG_CNTBL_512 0x00030000 /* Connection Table Size */ |
| 540 | #define SAR_CFG_VPECA 0x00008000 /* VPI/VCI Error Cell Accept */ |
| 541 | #define SAR_CFG_RXINT_NOINT 0x00000000 /* No Interrupt on PDU received */ |
| 542 | #define SAR_CFG_RXINT_NODELAY 0x00001000 /* Interrupt without delay to host*/ |
| 543 | #define SAR_CFG_RXINT_256US 0x00002000 /* Interrupt with delay 256 usec */ |
| 544 | #define SAR_CFG_RXINT_505US 0x00003000 /* Interrupt with delay 505 usec */ |
| 545 | #define SAR_CFG_RXINT_742US 0x00004000 /* Interrupt with delay 742 usec */ |
| 546 | #define SAR_CFG_RAWIE 0x00000800 /* Raw Cell Queue Interrupt Enable*/ |
| 547 | #define SAR_CFG_RQFIE 0x00000400 /* RSQ Almost Full Int Enable */ |
| 548 | #define SAR_CFG_RSVD2 0x00000200 /* Reserved */ |
| 549 | #define SAR_CFG_CACHE 0x00000100 /* DMA on Cache Line Boundary */ |
| 550 | #define SAR_CFG_TMOIE 0x00000080 /* Timer Roll Over Int Enable */ |
| 551 | #define SAR_CFG_FBIE 0x00000040 /* Free Buffer Queue Int Enable */ |
| 552 | #define SAR_CFG_TXEN 0x00000020 /* Transmit Operation Enable */ |
| 553 | #define SAR_CFG_TXINT 0x00000010 /* Transmit status Int Enable */ |
| 554 | #define SAR_CFG_TXUIE 0x00000008 /* Transmit underrun Int Enable */ |
| 555 | #define SAR_CFG_UMODE 0x00000004 /* Utopia Mode Select */ |
| 556 | #define SAR_CFG_TXSFI 0x00000002 /* Transmit status Full Int Enable*/ |
| 557 | #define SAR_CFG_PHYIE 0x00000001 /* PHY Interrupt Enable */ |
| 558 | |
| 559 | #define SAR_CFG_TX_FIFO_SIZE_MASK 0x0C000000 /* TX FIFO Size Mask */ |
| 560 | #define SAR_CFG_RXSTQSIZE_MASK 0x00C00000 |
| 561 | #define SAR_CFG_CNTBL_MASK 0x00030000 |
| 562 | #define SAR_CFG_RXINT_MASK 0x00007000 |
| 563 | |
| 564 | |
| 565 | /*****************************************************************************/ |
| 566 | /* */ |
| 567 | /* Status Register bits */ |
| 568 | /* */ |
| 569 | /*****************************************************************************/ |
| 570 | |
| 571 | #define SAR_STAT_FRAC_3 0xF0000000 /* Fraction of Free Buffer Queue 3 */ |
| 572 | #define SAR_STAT_FRAC_2 0x0F000000 /* Fraction of Free Buffer Queue 2 */ |
| 573 | #define SAR_STAT_FRAC_1 0x00F00000 /* Fraction of Free Buffer Queue 1 */ |
| 574 | #define SAR_STAT_FRAC_0 0x000F0000 /* Fraction of Free Buffer Queue 0 */ |
| 575 | #define SAR_STAT_TSIF 0x00008000 /* Transmit Status Indicator */ |
| 576 | #define SAR_STAT_TXICP 0x00004000 /* Transmit Status Indicator */ |
| 577 | #define SAR_STAT_RSVD1 0x00002000 /* Reserved */ |
| 578 | #define SAR_STAT_TSQF 0x00001000 /* Transmit Status Queue full */ |
| 579 | #define SAR_STAT_TMROF 0x00000800 /* Timer overflow */ |
| 580 | #define SAR_STAT_PHYI 0x00000400 /* PHY device Interrupt flag */ |
| 581 | #define SAR_STAT_CMDBZ 0x00000200 /* ABR SAR Comand Busy Flag */ |
| 582 | #define SAR_STAT_FBQ3A 0x00000100 /* Free Buffer Queue 3 Attention */ |
| 583 | #define SAR_STAT_FBQ2A 0x00000080 /* Free Buffer Queue 2 Attention */ |
| 584 | #define SAR_STAT_RSQF 0x00000040 /* Receive Status Queue full */ |
| 585 | #define SAR_STAT_EPDU 0x00000020 /* End Of PDU Flag */ |
| 586 | #define SAR_STAT_RAWCF 0x00000010 /* Raw Cell Flag */ |
| 587 | #define SAR_STAT_FBQ1A 0x00000008 /* Free Buffer Queue 1 Attention */ |
| 588 | #define SAR_STAT_FBQ0A 0x00000004 /* Free Buffer Queue 0 Attention */ |
| 589 | #define SAR_STAT_RSQAF 0x00000002 /* Receive Status Queue almost full*/ |
| 590 | #define SAR_STAT_RSVD2 0x00000001 /* Reserved */ |
| 591 | |
| 592 | |
| 593 | /*****************************************************************************/ |
| 594 | /* */ |
| 595 | /* General Purpose Register bits */ |
| 596 | /* */ |
| 597 | /*****************************************************************************/ |
| 598 | |
| 599 | #define SAR_GP_TXNCC_MASK 0xff000000 /* Transmit Negative Credit Count */ |
| 600 | #define SAR_GP_EEDI 0x00010000 /* EEPROM Data In */ |
| 601 | #define SAR_GP_BIGE 0x00008000 /* Big Endian Operation */ |
| 602 | #define SAR_GP_RM_NORMAL 0x00000000 /* Normal handling of RM cells */ |
| 603 | #define SAR_GP_RM_TO_RCQ 0x00002000 /* put RM cells into Raw Cell Queue */ |
| 604 | #define SAR_GP_RM_RSVD 0x00004000 /* Reserved */ |
| 605 | #define SAR_GP_RM_INHIBIT 0x00006000 /* Inhibit update of Connection tab */ |
| 606 | #define SAR_GP_PHY_RESET 0x00000008 /* PHY Reset */ |
| 607 | #define SAR_GP_EESCLK 0x00000004 /* EEPROM SCLK */ |
| 608 | #define SAR_GP_EECS 0x00000002 /* EEPROM Chip Select */ |
| 609 | #define SAR_GP_EEDO 0x00000001 /* EEPROM Data Out */ |
| 610 | |
| 611 | |
| 612 | /*****************************************************************************/ |
| 613 | /* */ |
| 614 | /* SAR local SRAM layout for 128k work SRAM */ |
| 615 | /* */ |
| 616 | /*****************************************************************************/ |
| 617 | |
| 618 | #define SAR_SRAM_SCD_SIZE 12 |
| 619 | #define SAR_SRAM_TCT_SIZE 8 |
| 620 | #define SAR_SRAM_RCT_SIZE 4 |
| 621 | |
| 622 | #define SAR_SRAM_TCT_128_BASE 0x00000 |
| 623 | #define SAR_SRAM_TCT_128_TOP 0x01fff |
| 624 | #define SAR_SRAM_RCT_128_BASE 0x02000 |
| 625 | #define SAR_SRAM_RCT_128_TOP 0x02fff |
| 626 | #define SAR_SRAM_FB0_128_BASE 0x03000 |
| 627 | #define SAR_SRAM_FB0_128_TOP 0x033ff |
| 628 | #define SAR_SRAM_FB1_128_BASE 0x03400 |
| 629 | #define SAR_SRAM_FB1_128_TOP 0x037ff |
| 630 | #define SAR_SRAM_FB2_128_BASE 0x03800 |
| 631 | #define SAR_SRAM_FB2_128_TOP 0x03bff |
| 632 | #define SAR_SRAM_FB3_128_BASE 0x03c00 |
| 633 | #define SAR_SRAM_FB3_128_TOP 0x03fff |
| 634 | #define SAR_SRAM_SCD_128_BASE 0x04000 |
| 635 | #define SAR_SRAM_SCD_128_TOP 0x07fff |
| 636 | #define SAR_SRAM_TST1_128_BASE 0x08000 |
| 637 | #define SAR_SRAM_TST1_128_TOP 0x0bfff |
| 638 | #define SAR_SRAM_TST2_128_BASE 0x0c000 |
| 639 | #define SAR_SRAM_TST2_128_TOP 0x0ffff |
| 640 | #define SAR_SRAM_ABRSTD_128_BASE 0x10000 |
| 641 | #define SAR_SRAM_ABRSTD_128_TOP 0x13fff |
| 642 | #define SAR_SRAM_RT_128_BASE 0x14000 |
| 643 | #define SAR_SRAM_RT_128_TOP 0x15fff |
| 644 | |
| 645 | #define SAR_SRAM_FIFO_128_BASE 0x18000 |
| 646 | #define SAR_SRAM_FIFO_128_TOP 0x1ffff |
| 647 | |
| 648 | |
| 649 | /*****************************************************************************/ |
| 650 | /* */ |
| 651 | /* SAR local SRAM layout for 32k work SRAM */ |
| 652 | /* */ |
| 653 | /*****************************************************************************/ |
| 654 | |
| 655 | #define SAR_SRAM_TCT_32_BASE 0x00000 |
| 656 | #define SAR_SRAM_TCT_32_TOP 0x00fff |
| 657 | #define SAR_SRAM_RCT_32_BASE 0x01000 |
| 658 | #define SAR_SRAM_RCT_32_TOP 0x017ff |
| 659 | #define SAR_SRAM_FB0_32_BASE 0x01800 |
| 660 | #define SAR_SRAM_FB0_32_TOP 0x01bff |
| 661 | #define SAR_SRAM_FB1_32_BASE 0x01c00 |
| 662 | #define SAR_SRAM_FB1_32_TOP 0x01fff |
| 663 | #define SAR_SRAM_FB2_32_BASE 0x02000 |
| 664 | #define SAR_SRAM_FB2_32_TOP 0x023ff |
| 665 | #define SAR_SRAM_FB3_32_BASE 0x02400 |
| 666 | #define SAR_SRAM_FB3_32_TOP 0x027ff |
| 667 | #define SAR_SRAM_SCD_32_BASE 0x02800 |
| 668 | #define SAR_SRAM_SCD_32_TOP 0x03fff |
| 669 | #define SAR_SRAM_TST1_32_BASE 0x04000 |
| 670 | #define SAR_SRAM_TST1_32_TOP 0x04fff |
| 671 | #define SAR_SRAM_TST2_32_BASE 0x05000 |
| 672 | #define SAR_SRAM_TST2_32_TOP 0x05fff |
| 673 | #define SAR_SRAM_ABRSTD_32_BASE 0x06000 |
| 674 | #define SAR_SRAM_ABRSTD_32_TOP 0x067ff |
| 675 | #define SAR_SRAM_RT_32_BASE 0x06800 |
| 676 | #define SAR_SRAM_RT_32_TOP 0x06fff |
| 677 | #define SAR_SRAM_FIFO_32_BASE 0x07000 |
| 678 | #define SAR_SRAM_FIFO_32_TOP 0x07fff |
| 679 | |
| 680 | |
| 681 | /*****************************************************************************/ |
| 682 | /* */ |
| 683 | /* TSR - Transmit Status Request */ |
| 684 | /* */ |
| 685 | /*****************************************************************************/ |
| 686 | |
| 687 | #define SAR_TSR_TYPE_TSR 0x80000000 |
| 688 | #define SAR_TSR_TYPE_TBD 0x00000000 |
| 689 | #define SAR_TSR_TSIF 0x20000000 |
| 690 | #define SAR_TSR_TAG_MASK 0x01F00000 |
| 691 | |
| 692 | |
| 693 | /*****************************************************************************/ |
| 694 | /* */ |
| 695 | /* TBD - Transmit Buffer Descriptor */ |
| 696 | /* */ |
| 697 | /*****************************************************************************/ |
| 698 | |
| 699 | #define SAR_TBD_EPDU 0x40000000 |
| 700 | #define SAR_TBD_TSIF 0x20000000 |
| 701 | #define SAR_TBD_OAM 0x10000000 |
| 702 | #define SAR_TBD_AAL0 0x00000000 |
| 703 | #define SAR_TBD_AAL34 0x04000000 |
| 704 | #define SAR_TBD_AAL5 0x08000000 |
| 705 | #define SAR_TBD_GTSI 0x02000000 |
| 706 | #define SAR_TBD_TAG_MASK 0x01F00000 |
| 707 | |
| 708 | #define SAR_TBD_VPI_MASK 0x0FF00000 |
| 709 | #define SAR_TBD_VCI_MASK 0x000FFFF0 |
| 710 | #define SAR_TBD_VC_MASK (SAR_TBD_VPI_MASK | SAR_TBD_VCI_MASK) |
| 711 | |
| 712 | #define SAR_TBD_VPI_SHIFT 20 |
| 713 | #define SAR_TBD_VCI_SHIFT 4 |
| 714 | |
| 715 | |
| 716 | /*****************************************************************************/ |
| 717 | /* */ |
| 718 | /* RXFD - Receive FIFO Descriptor */ |
| 719 | /* */ |
| 720 | /*****************************************************************************/ |
| 721 | |
| 722 | #define SAR_RXFD_SIZE_MASK 0x0F000000 |
| 723 | #define SAR_RXFD_SIZE_512 0x00000000 /* 512 words */ |
| 724 | #define SAR_RXFD_SIZE_1K 0x01000000 /* 1k words */ |
| 725 | #define SAR_RXFD_SIZE_2K 0x02000000 /* 2k words */ |
| 726 | #define SAR_RXFD_SIZE_4K 0x03000000 /* 4k words */ |
| 727 | #define SAR_RXFD_SIZE_8K 0x04000000 /* 8k words */ |
| 728 | #define SAR_RXFD_SIZE_16K 0x05000000 /* 16k words */ |
| 729 | #define SAR_RXFD_SIZE_32K 0x06000000 /* 32k words */ |
| 730 | #define SAR_RXFD_SIZE_64K 0x07000000 /* 64k words */ |
| 731 | #define SAR_RXFD_SIZE_128K 0x08000000 /* 128k words */ |
| 732 | #define SAR_RXFD_SIZE_256K 0x09000000 /* 256k words */ |
| 733 | #define SAR_RXFD_ADDR_MASK 0x001ffc00 |
| 734 | |
| 735 | |
| 736 | /*****************************************************************************/ |
| 737 | /* */ |
| 738 | /* ABRSTD - ABR + VBR Schedule Tables */ |
| 739 | /* */ |
| 740 | /*****************************************************************************/ |
| 741 | |
| 742 | #define SAR_ABRSTD_SIZE_MASK 0x07000000 |
| 743 | #define SAR_ABRSTD_SIZE_512 0x00000000 /* 512 words */ |
| 744 | #define SAR_ABRSTD_SIZE_1K 0x01000000 /* 1k words */ |
| 745 | #define SAR_ABRSTD_SIZE_2K 0x02000000 /* 2k words */ |
| 746 | #define SAR_ABRSTD_SIZE_4K 0x03000000 /* 4k words */ |
| 747 | #define SAR_ABRSTD_SIZE_8K 0x04000000 /* 8k words */ |
| 748 | #define SAR_ABRSTD_SIZE_16K 0x05000000 /* 16k words */ |
| 749 | #define SAR_ABRSTD_ADDR_MASK 0x001ffc00 |
| 750 | |
| 751 | |
| 752 | /*****************************************************************************/ |
| 753 | /* */ |
| 754 | /* RCTE - Receive Connection Table Entry */ |
| 755 | /* */ |
| 756 | /*****************************************************************************/ |
| 757 | |
| 758 | #define SAR_RCTE_IL_MASK 0xE0000000 /* inactivity limit */ |
| 759 | #define SAR_RCTE_IC_MASK 0x1C000000 /* inactivity count */ |
| 760 | #define SAR_RCTE_RSVD 0x02000000 /* reserved */ |
| 761 | #define SAR_RCTE_LCD 0x01000000 /* last cell data */ |
| 762 | #define SAR_RCTE_CI_VC 0x00800000 /* EFCI in previous cell of VC */ |
| 763 | #define SAR_RCTE_FBP_01 0x00000000 /* 1. cell->FBQ0, others->FBQ1 */ |
| 764 | #define SAR_RCTE_FBP_1 0x00200000 /* use FBQ 1 for all cells */ |
| 765 | #define SAR_RCTE_FBP_2 0x00400000 /* use FBQ 2 for all cells */ |
| 766 | #define SAR_RCTE_FBP_3 0x00600000 /* use FBQ 3 for all cells */ |
| 767 | #define SAR_RCTE_NZ_GFC 0x00100000 /* non zero GFC in all cell of VC */ |
| 768 | #define SAR_RCTE_CONNECTOPEN 0x00080000 /* VC is open */ |
| 769 | #define SAR_RCTE_AAL_MASK 0x00070000 /* mask for AAL type field s.b. */ |
| 770 | #define SAR_RCTE_RAWCELLINTEN 0x00008000 /* raw cell interrupt enable */ |
| 771 | #define SAR_RCTE_RXCONCELLADDR 0x00004000 /* RX constant cell address */ |
| 772 | #define SAR_RCTE_BUFFSTAT_MASK 0x00003000 /* buffer status */ |
| 773 | #define SAR_RCTE_EFCI 0x00000800 /* EFCI Congestion flag */ |
| 774 | #define SAR_RCTE_CLP 0x00000400 /* Cell Loss Priority flag */ |
| 775 | #define SAR_RCTE_CRC 0x00000200 /* Recieved CRC Error */ |
| 776 | #define SAR_RCTE_CELLCNT_MASK 0x000001FF /* cell Count */ |
| 777 | |
| 778 | #define SAR_RCTE_AAL0 0x00000000 /* AAL types for ALL field */ |
| 779 | #define SAR_RCTE_AAL34 0x00010000 |
| 780 | #define SAR_RCTE_AAL5 0x00020000 |
| 781 | #define SAR_RCTE_RCQ 0x00030000 |
| 782 | #define SAR_RCTE_OAM 0x00040000 |
| 783 | |
| 784 | #define TCMDQ_START 0x01000000 |
| 785 | #define TCMDQ_LACR 0x02000000 |
| 786 | #define TCMDQ_START_LACR 0x03000000 |
| 787 | #define TCMDQ_INIT_ER 0x04000000 |
| 788 | #define TCMDQ_HALT 0x05000000 |
| 789 | |
| 790 | |
| 791 | struct idt77252_skb_prv { |
| 792 | struct scqe tbd; /* Transmit Buffer Descriptor */ |
| 793 | dma_addr_t paddr; /* DMA handle */ |
| 794 | u32 pool; /* sb_pool handle */ |
| 795 | }; |
| 796 | |
| 797 | #define IDT77252_PRV_TBD(skb) \ |
| 798 | (((struct idt77252_skb_prv *)(ATM_SKB(skb)+1))->tbd) |
| 799 | #define IDT77252_PRV_PADDR(skb) \ |
| 800 | (((struct idt77252_skb_prv *)(ATM_SKB(skb)+1))->paddr) |
| 801 | #define IDT77252_PRV_POOL(skb) \ |
| 802 | (((struct idt77252_skb_prv *)(ATM_SKB(skb)+1))->pool) |
| 803 | |
| 804 | /*****************************************************************************/ |
| 805 | /* */ |
| 806 | /* PCI related items */ |
| 807 | /* */ |
| 808 | /*****************************************************************************/ |
| 809 | |
| 810 | #ifndef PCI_VENDOR_ID_IDT |
| 811 | #define PCI_VENDOR_ID_IDT 0x111D |
| 812 | #endif /* PCI_VENDOR_ID_IDT */ |
| 813 | |
| 814 | #ifndef PCI_DEVICE_ID_IDT_IDT77252 |
| 815 | #define PCI_DEVICE_ID_IDT_IDT77252 0x0003 |
| 816 | #endif /* PCI_DEVICE_ID_IDT_IDT772052 */ |
| 817 | |
| 818 | |
| 819 | #endif /* !(_IDT77252_H) */ |