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nfsd: Add fh_{want,drop}_write()
[linux/fpc-iii.git] / drivers / atm / idt77252.h
blob3a82cc23a0532ba72e74a551c162b03c383c3c5f
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 rate_estimator {
188 struct timer_list timer;
189 unsigned int interval;
190 unsigned int ewma_log;
191 u64 cells;
192 u64 last_cells;
193 long avcps;
194 u32 cps;
195 u32 maxcps;
196 };
197
198 struct vc_map {
199 unsigned int index;
200 unsigned long flags;
201 #define VCF_TX 0
202 #define VCF_RX 1
203 #define VCF_IDLE 2
204 #define VCF_RSV 3
205 unsigned int class;
206 u8 init_er;
207 u8 lacr;
208 u8 max_er;
209 unsigned int ntste;
210 spinlock_t lock;
211 struct atm_vcc *tx_vcc;
212 struct atm_vcc *rx_vcc;
213 struct idt77252_dev *card;
214 struct scq_info *scq; /* To keep track of the SCQ */
215 struct rate_estimator *estimator;
216 int scd_index;
217 union {
218 struct rx_pool rx_pool;
219 struct aal1 aal1;
220 } rcv;
221 };
222
223 /*****************************************************************************/
224 /* */
225 /* RCTE - Receive Connection Table Entry */
226 /* */
227 /*****************************************************************************/
228
229 struct rct_entry
230 {
231 u32 word_1;
232 u32 buffer_handle;
233 u32 dma_address;
234 u32 aal5_crc32;
235 };
236
237 /*****************************************************************************/
238 /* */
239 /* RSQ - Receive Status Queue */
240 /* */
241 /*****************************************************************************/
242
243 #define SAR_RSQE_VALID 0x80000000
244 #define SAR_RSQE_IDLE 0x40000000
245 #define SAR_RSQE_BUF_MASK 0x00030000
246 #define SAR_RSQE_BUF_ASGN 0x00008000
247 #define SAR_RSQE_NZGFC 0x00004000
248 #define SAR_RSQE_EPDU 0x00002000
249 #define SAR_RSQE_BUF_CONT 0x00001000
250 #define SAR_RSQE_EFCIE 0x00000800
251 #define SAR_RSQE_CLP 0x00000400
252 #define SAR_RSQE_CRC 0x00000200
253 #define SAR_RSQE_CELLCNT 0x000001FF
254
255
256 #define RSQSIZE 8192
257 #define RSQ_NUM_ENTRIES (RSQSIZE / 16)
258 #define RSQ_ALIGNMENT 8192
259
260 struct rsq_entry {
261 u32 word_1;
262 u32 word_2;
263 u32 word_3;
264 u32 word_4;
265 };
266
267 struct rsq_info {
268 struct rsq_entry *base;
269 struct rsq_entry *next;
270 struct rsq_entry *last;
271 dma_addr_t paddr;
272 };
273
274
275 /*****************************************************************************/
276 /* */
277 /* TSQ - Transmit Status Queue */
278 /* */
279 /*****************************************************************************/
280
281 #define SAR_TSQE_INVALID 0x80000000
282 #define SAR_TSQE_TIMESTAMP 0x00FFFFFF
283 #define SAR_TSQE_TYPE 0x60000000
284 #define SAR_TSQE_TYPE_TIMER 0x00000000
285 #define SAR_TSQE_TYPE_TSR 0x20000000
286 #define SAR_TSQE_TYPE_IDLE 0x40000000
287 #define SAR_TSQE_TYPE_TBD_COMP 0x60000000
288
289 #define SAR_TSQE_TAG(stat) (((stat) >> 24) & 0x1f)
290
291 #define TSQSIZE 8192
292 #define TSQ_NUM_ENTRIES 1024
293 #define TSQ_ALIGNMENT 8192
294
295 struct tsq_entry
296 {
297 u32 word_1;
298 u32 word_2;
299 };
300
301 struct tsq_info
302 {
303 struct tsq_entry *base;
304 struct tsq_entry *next;
305 struct tsq_entry *last;
306 dma_addr_t paddr;
307 };
308
309 struct tst_info
310 {
311 struct vc_map *vc;
312 u32 tste;
313 };
314
315 #define TSTE_MASK 0x601fffff
316
317 #define TSTE_OPC_MASK 0x60000000
318 #define TSTE_OPC_NULL 0x00000000
319 #define TSTE_OPC_CBR 0x20000000
320 #define TSTE_OPC_VAR 0x40000000
321 #define TSTE_OPC_JMP 0x60000000
322
323 #define TSTE_PUSH_IDLE 0x01000000
324 #define TSTE_PUSH_ACTIVE 0x02000000
325
326 #define TST_SWITCH_DONE 0
327 #define TST_SWITCH_PENDING 1
328 #define TST_SWITCH_WAIT 2
329
330 #define FBQ_SHIFT 9
331 #define FBQ_SIZE (1 << FBQ_SHIFT)
332 #define FBQ_MASK (FBQ_SIZE - 1)
333
334 struct sb_pool
335 {
336 unsigned int index;
337 struct sk_buff *skb[FBQ_SIZE];
338 };
339
340 #define POOL_HANDLE(queue, index) (((queue + 1) << 16) | (index))
341 #define POOL_QUEUE(handle) (((handle) >> 16) - 1)
342 #define POOL_INDEX(handle) ((handle) & 0xffff)
343
344 struct idt77252_dev
345 {
346 struct tsq_info tsq; /* Transmit Status Queue */
347 struct rsq_info rsq; /* Receive Status Queue */
348
349 struct pci_dev *pcidev; /* PCI handle (desriptor) */
350 struct atm_dev *atmdev; /* ATM device desriptor */
351
352 void __iomem *membase; /* SAR's memory base address */
353 unsigned long srambase; /* SAR's sram base address */
354 void __iomem *fbq[4]; /* FBQ fill addresses */
355
356 struct mutex mutex;
357 spinlock_t cmd_lock; /* for r/w utility/sram */
358
359 unsigned long softstat;
360 unsigned long flags; /* see blow */
361
362 struct work_struct tqueue;
363
364 unsigned long tct_base; /* TCT base address in SRAM */
365 unsigned long rct_base; /* RCT base address in SRAM */
366 unsigned long rt_base; /* Rate Table base in SRAM */
367 unsigned long scd_base; /* SCD base address in SRAM */
368 unsigned long tst[2]; /* TST base address in SRAM */
369 unsigned long abrst_base; /* ABRST base address in SRAM */
370 unsigned long fifo_base; /* RX FIFO base in SRAM */
371
372 unsigned long irqstat[16];
373
374 unsigned int sramsize; /* SAR's sram size */
375
376 unsigned int tct_size; /* total TCT entries */
377 unsigned int rct_size; /* total RCT entries */
378 unsigned int scd_size; /* length of SCD */
379 unsigned int tst_size; /* total TST entries */
380 unsigned int tst_free; /* free TSTEs in TST */
381 unsigned int abrst_size; /* size of ABRST in words */
382 unsigned int fifo_size; /* size of RX FIFO in words */
383
384 unsigned int vpibits; /* Bits used for VPI index */
385 unsigned int vcibits; /* Bits used for VCI index */
386 unsigned int vcimask; /* Mask for VCI index */
387
388 unsigned int utopia_pcr; /* Utopia Itf's Cell Rate */
389 unsigned int link_pcr; /* PHY's Peek Cell Rate */
390
391 struct vc_map **vcs; /* Open Connections */
392 struct vc_map **scd2vc; /* SCD to Connection map */
393
394 struct tst_info *soft_tst; /* TST to Connection map */
395 unsigned int tst_index; /* Current TST in use */
396 struct timer_list tst_timer;
397 spinlock_t tst_lock;
398 unsigned long tst_state;
399
400 struct sb_pool sbpool[4]; /* Pool of RX skbuffs */
401 struct sk_buff *raw_cell_head; /* Pointer to raw cell queue */
402 u32 *raw_cell_hnd; /* Pointer to RCQ handle */
403 dma_addr_t raw_cell_paddr;
404
405 int index; /* SAR's ID */
406 int revision; /* chip revision */
407
408 char name[16]; /* Device name */
409
410 struct idt77252_dev *next;
411 };
412
413
414 /* definition for flag field above */
415 #define IDT77252_BIT_INIT 1
416 #define IDT77252_BIT_INTERRUPT 2
417
418
419 #define ATM_CELL_PAYLOAD 48
420
421 #define FREEBUF_ALIGNMENT 16
422
423 /*****************************************************************************/
424 /* */
425 /* Makros */
426 /* */
427 /*****************************************************************************/
428 #define ALIGN_ADDRESS(addr, alignment) \
429 ((((u32)(addr)) + (((u32)(alignment))-1)) & ~(((u32)(alignment)) - 1))
430
431
432 /*****************************************************************************/
433 /* */
434 /* ABR SAR Network operation Register */
435 /* */
436 /*****************************************************************************/
437
438 #define SAR_REG_DR0 (card->membase + 0x00)
439 #define SAR_REG_DR1 (card->membase + 0x04)
440 #define SAR_REG_DR2 (card->membase + 0x08)
441 #define SAR_REG_DR3 (card->membase + 0x0C)
442 #define SAR_REG_CMD (card->membase + 0x10)
443 #define SAR_REG_CFG (card->membase + 0x14)
444 #define SAR_REG_STAT (card->membase + 0x18)
445 #define SAR_REG_RSQB (card->membase + 0x1C)
446 #define SAR_REG_RSQT (card->membase + 0x20)
447 #define SAR_REG_RSQH (card->membase + 0x24)
448 #define SAR_REG_CDC (card->membase + 0x28)
449 #define SAR_REG_VPEC (card->membase + 0x2C)
450 #define SAR_REG_ICC (card->membase + 0x30)
451 #define SAR_REG_RAWCT (card->membase + 0x34)
452 #define SAR_REG_TMR (card->membase + 0x38)
453 #define SAR_REG_TSTB (card->membase + 0x3C)
454 #define SAR_REG_TSQB (card->membase + 0x40)
455 #define SAR_REG_TSQT (card->membase + 0x44)
456 #define SAR_REG_TSQH (card->membase + 0x48)
457 #define SAR_REG_GP (card->membase + 0x4C)
458 #define SAR_REG_VPM (card->membase + 0x50)
459 #define SAR_REG_RXFD (card->membase + 0x54)
460 #define SAR_REG_RXFT (card->membase + 0x58)
461 #define SAR_REG_RXFH (card->membase + 0x5C)
462 #define SAR_REG_RAWHND (card->membase + 0x60)
463 #define SAR_REG_RXSTAT (card->membase + 0x64)
464 #define SAR_REG_ABRSTD (card->membase + 0x68)
465 #define SAR_REG_ABRRQ (card->membase + 0x6C)
466 #define SAR_REG_VBRRQ (card->membase + 0x70)
467 #define SAR_REG_RTBL (card->membase + 0x74)
468 #define SAR_REG_MDFCT (card->membase + 0x78)
469 #define SAR_REG_TXSTAT (card->membase + 0x7C)
470 #define SAR_REG_TCMDQ (card->membase + 0x80)
471 #define SAR_REG_IRCP (card->membase + 0x84)
472 #define SAR_REG_FBQP0 (card->membase + 0x88)
473 #define SAR_REG_FBQP1 (card->membase + 0x8C)
474 #define SAR_REG_FBQP2 (card->membase + 0x90)
475 #define SAR_REG_FBQP3 (card->membase + 0x94)
476 #define SAR_REG_FBQS0 (card->membase + 0x98)
477 #define SAR_REG_FBQS1 (card->membase + 0x9C)
478 #define SAR_REG_FBQS2 (card->membase + 0xA0)
479 #define SAR_REG_FBQS3 (card->membase + 0xA4)
480 #define SAR_REG_FBQWP0 (card->membase + 0xA8)
481 #define SAR_REG_FBQWP1 (card->membase + 0xAC)
482 #define SAR_REG_FBQWP2 (card->membase + 0xB0)
483 #define SAR_REG_FBQWP3 (card->membase + 0xB4)
484 #define SAR_REG_NOW (card->membase + 0xB8)
485
486
487 /*****************************************************************************/
488 /* */
489 /* Commands */
490 /* */
491 /*****************************************************************************/
492
493 #define SAR_CMD_NO_OPERATION 0x00000000
494 #define SAR_CMD_OPENCLOSE_CONNECTION 0x20000000
495 #define SAR_CMD_WRITE_SRAM 0x40000000
496 #define SAR_CMD_READ_SRAM 0x50000000
497 #define SAR_CMD_READ_UTILITY 0x80000000
498 #define SAR_CMD_WRITE_UTILITY 0x90000000
499
500 #define SAR_CMD_OPEN_CONNECTION (SAR_CMD_OPENCLOSE_CONNECTION | 0x00080000)
501 #define SAR_CMD_CLOSE_CONNECTION SAR_CMD_OPENCLOSE_CONNECTION
502
503
504 /*****************************************************************************/
505 /* */
506 /* Configuration Register bits */
507 /* */
508 /*****************************************************************************/
509
510 #define SAR_CFG_SWRST 0x80000000 /* Software reset */
511 #define SAR_CFG_LOOP 0x40000000 /* Internal Loopback */
512 #define SAR_CFG_RXPTH 0x20000000 /* Receive Path Enable */
513 #define SAR_CFG_IDLE_CLP 0x10000000 /* SAR set CLP Bits of Null Cells */
514 #define SAR_CFG_TX_FIFO_SIZE_1 0x04000000 /* TX FIFO Size = 1 cell */
515 #define SAR_CFG_TX_FIFO_SIZE_2 0x08000000 /* TX FIFO Size = 2 cells */
516 #define SAR_CFG_TX_FIFO_SIZE_4 0x0C000000 /* TX FIFO Size = 4 cells */
517 #define SAR_CFG_TX_FIFO_SIZE_9 0x00000000 /* TX FIFO Size = 9 cells (full) */
518 #define SAR_CFG_NO_IDLE 0x02000000 /* SAR sends no Null Cells */
519 #define SAR_CFG_RSVD1 0x01000000 /* Reserved */
520 #define SAR_CFG_RXSTQ_SIZE_2k 0x00000000 /* RX Stat Queue Size = 2048 byte */
521 #define SAR_CFG_RXSTQ_SIZE_4k 0x00400000 /* RX Stat Queue Size = 4096 byte */
522 #define SAR_CFG_RXSTQ_SIZE_8k 0x00800000 /* RX Stat Queue Size = 8192 byte */
523 #define SAR_CFG_RXSTQ_SIZE_R 0x00C00000 /* RX Stat Queue Size = reserved */
524 #define SAR_CFG_ICAPT 0x00200000 /* accept Invalid Cells */
525 #define SAR_CFG_IGGFC 0x00100000 /* Ignore GFC */
526 #define SAR_CFG_VPVCS_0 0x00000000 /* VPI/VCI Select bit range */
527 #define SAR_CFG_VPVCS_1 0x00040000 /* VPI/VCI Select bit range */
528 #define SAR_CFG_VPVCS_2 0x00080000 /* VPI/VCI Select bit range */
529 #define SAR_CFG_VPVCS_8 0x000C0000 /* VPI/VCI Select bit range */
530 #define SAR_CFG_CNTBL_1k 0x00000000 /* Connection Table Size */
531 #define SAR_CFG_CNTBL_4k 0x00010000 /* Connection Table Size */
532 #define SAR_CFG_CNTBL_16k 0x00020000 /* Connection Table Size */
533 #define SAR_CFG_CNTBL_512 0x00030000 /* Connection Table Size */
534 #define SAR_CFG_VPECA 0x00008000 /* VPI/VCI Error Cell Accept */
535 #define SAR_CFG_RXINT_NOINT 0x00000000 /* No Interrupt on PDU received */
536 #define SAR_CFG_RXINT_NODELAY 0x00001000 /* Interrupt without delay to host*/
537 #define SAR_CFG_RXINT_256US 0x00002000 /* Interrupt with delay 256 usec */
538 #define SAR_CFG_RXINT_505US 0x00003000 /* Interrupt with delay 505 usec */
539 #define SAR_CFG_RXINT_742US 0x00004000 /* Interrupt with delay 742 usec */
540 #define SAR_CFG_RAWIE 0x00000800 /* Raw Cell Queue Interrupt Enable*/
541 #define SAR_CFG_RQFIE 0x00000400 /* RSQ Almost Full Int Enable */
542 #define SAR_CFG_RSVD2 0x00000200 /* Reserved */
543 #define SAR_CFG_CACHE 0x00000100 /* DMA on Cache Line Boundary */
544 #define SAR_CFG_TMOIE 0x00000080 /* Timer Roll Over Int Enable */
545 #define SAR_CFG_FBIE 0x00000040 /* Free Buffer Queue Int Enable */
546 #define SAR_CFG_TXEN 0x00000020 /* Transmit Operation Enable */
547 #define SAR_CFG_TXINT 0x00000010 /* Transmit status Int Enable */
548 #define SAR_CFG_TXUIE 0x00000008 /* Transmit underrun Int Enable */
549 #define SAR_CFG_UMODE 0x00000004 /* Utopia Mode Select */
550 #define SAR_CFG_TXSFI 0x00000002 /* Transmit status Full Int Enable*/
551 #define SAR_CFG_PHYIE 0x00000001 /* PHY Interrupt Enable */
552
553 #define SAR_CFG_TX_FIFO_SIZE_MASK 0x0C000000 /* TX FIFO Size Mask */
554 #define SAR_CFG_RXSTQSIZE_MASK 0x00C00000
555 #define SAR_CFG_CNTBL_MASK 0x00030000
556 #define SAR_CFG_RXINT_MASK 0x00007000
557
558
559 /*****************************************************************************/
560 /* */
561 /* Status Register bits */
562 /* */
563 /*****************************************************************************/
564
565 #define SAR_STAT_FRAC_3 0xF0000000 /* Fraction of Free Buffer Queue 3 */
566 #define SAR_STAT_FRAC_2 0x0F000000 /* Fraction of Free Buffer Queue 2 */
567 #define SAR_STAT_FRAC_1 0x00F00000 /* Fraction of Free Buffer Queue 1 */
568 #define SAR_STAT_FRAC_0 0x000F0000 /* Fraction of Free Buffer Queue 0 */
569 #define SAR_STAT_TSIF 0x00008000 /* Transmit Status Indicator */
570 #define SAR_STAT_TXICP 0x00004000 /* Transmit Status Indicator */
571 #define SAR_STAT_RSVD1 0x00002000 /* Reserved */
572 #define SAR_STAT_TSQF 0x00001000 /* Transmit Status Queue full */
573 #define SAR_STAT_TMROF 0x00000800 /* Timer overflow */
574 #define SAR_STAT_PHYI 0x00000400 /* PHY device Interrupt flag */
575 #define SAR_STAT_CMDBZ 0x00000200 /* ABR SAR Command Busy Flag */
576 #define SAR_STAT_FBQ3A 0x00000100 /* Free Buffer Queue 3 Attention */
577 #define SAR_STAT_FBQ2A 0x00000080 /* Free Buffer Queue 2 Attention */
578 #define SAR_STAT_RSQF 0x00000040 /* Receive Status Queue full */
579 #define SAR_STAT_EPDU 0x00000020 /* End Of PDU Flag */
580 #define SAR_STAT_RAWCF 0x00000010 /* Raw Cell Flag */
581 #define SAR_STAT_FBQ1A 0x00000008 /* Free Buffer Queue 1 Attention */
582 #define SAR_STAT_FBQ0A 0x00000004 /* Free Buffer Queue 0 Attention */
583 #define SAR_STAT_RSQAF 0x00000002 /* Receive Status Queue almost full*/
584 #define SAR_STAT_RSVD2 0x00000001 /* Reserved */
585
586
587 /*****************************************************************************/
588 /* */
589 /* General Purpose Register bits */
590 /* */
591 /*****************************************************************************/
592
593 #define SAR_GP_TXNCC_MASK 0xff000000 /* Transmit Negative Credit Count */
594 #define SAR_GP_EEDI 0x00010000 /* EEPROM Data In */
595 #define SAR_GP_BIGE 0x00008000 /* Big Endian Operation */
596 #define SAR_GP_RM_NORMAL 0x00000000 /* Normal handling of RM cells */
597 #define SAR_GP_RM_TO_RCQ 0x00002000 /* put RM cells into Raw Cell Queue */
598 #define SAR_GP_RM_RSVD 0x00004000 /* Reserved */
599 #define SAR_GP_RM_INHIBIT 0x00006000 /* Inhibit update of Connection tab */
600 #define SAR_GP_PHY_RESET 0x00000008 /* PHY Reset */
601 #define SAR_GP_EESCLK 0x00000004 /* EEPROM SCLK */
602 #define SAR_GP_EECS 0x00000002 /* EEPROM Chip Select */
603 #define SAR_GP_EEDO 0x00000001 /* EEPROM Data Out */
604
605
606 /*****************************************************************************/
607 /* */
608 /* SAR local SRAM layout for 128k work SRAM */
609 /* */
610 /*****************************************************************************/
611
612 #define SAR_SRAM_SCD_SIZE 12
613 #define SAR_SRAM_TCT_SIZE 8
614 #define SAR_SRAM_RCT_SIZE 4
615
616 #define SAR_SRAM_TCT_128_BASE 0x00000
617 #define SAR_SRAM_TCT_128_TOP 0x01fff
618 #define SAR_SRAM_RCT_128_BASE 0x02000
619 #define SAR_SRAM_RCT_128_TOP 0x02fff
620 #define SAR_SRAM_FB0_128_BASE 0x03000
621 #define SAR_SRAM_FB0_128_TOP 0x033ff
622 #define SAR_SRAM_FB1_128_BASE 0x03400
623 #define SAR_SRAM_FB1_128_TOP 0x037ff
624 #define SAR_SRAM_FB2_128_BASE 0x03800
625 #define SAR_SRAM_FB2_128_TOP 0x03bff
626 #define SAR_SRAM_FB3_128_BASE 0x03c00
627 #define SAR_SRAM_FB3_128_TOP 0x03fff
628 #define SAR_SRAM_SCD_128_BASE 0x04000
629 #define SAR_SRAM_SCD_128_TOP 0x07fff
630 #define SAR_SRAM_TST1_128_BASE 0x08000
631 #define SAR_SRAM_TST1_128_TOP 0x0bfff
632 #define SAR_SRAM_TST2_128_BASE 0x0c000
633 #define SAR_SRAM_TST2_128_TOP 0x0ffff
634 #define SAR_SRAM_ABRSTD_128_BASE 0x10000
635 #define SAR_SRAM_ABRSTD_128_TOP 0x13fff
636 #define SAR_SRAM_RT_128_BASE 0x14000
637 #define SAR_SRAM_RT_128_TOP 0x15fff
638
639 #define SAR_SRAM_FIFO_128_BASE 0x18000
640 #define SAR_SRAM_FIFO_128_TOP 0x1ffff
641
642
643 /*****************************************************************************/
644 /* */
645 /* SAR local SRAM layout for 32k work SRAM */
646 /* */
647 /*****************************************************************************/
648
649 #define SAR_SRAM_TCT_32_BASE 0x00000
650 #define SAR_SRAM_TCT_32_TOP 0x00fff
651 #define SAR_SRAM_RCT_32_BASE 0x01000
652 #define SAR_SRAM_RCT_32_TOP 0x017ff
653 #define SAR_SRAM_FB0_32_BASE 0x01800
654 #define SAR_SRAM_FB0_32_TOP 0x01bff
655 #define SAR_SRAM_FB1_32_BASE 0x01c00
656 #define SAR_SRAM_FB1_32_TOP 0x01fff
657 #define SAR_SRAM_FB2_32_BASE 0x02000
658 #define SAR_SRAM_FB2_32_TOP 0x023ff
659 #define SAR_SRAM_FB3_32_BASE 0x02400
660 #define SAR_SRAM_FB3_32_TOP 0x027ff
661 #define SAR_SRAM_SCD_32_BASE 0x02800
662 #define SAR_SRAM_SCD_32_TOP 0x03fff
663 #define SAR_SRAM_TST1_32_BASE 0x04000
664 #define SAR_SRAM_TST1_32_TOP 0x04fff
665 #define SAR_SRAM_TST2_32_BASE 0x05000
666 #define SAR_SRAM_TST2_32_TOP 0x05fff
667 #define SAR_SRAM_ABRSTD_32_BASE 0x06000
668 #define SAR_SRAM_ABRSTD_32_TOP 0x067ff
669 #define SAR_SRAM_RT_32_BASE 0x06800
670 #define SAR_SRAM_RT_32_TOP 0x06fff
671 #define SAR_SRAM_FIFO_32_BASE 0x07000
672 #define SAR_SRAM_FIFO_32_TOP 0x07fff
673
674
675 /*****************************************************************************/
676 /* */
677 /* TSR - Transmit Status Request */
678 /* */
679 /*****************************************************************************/
680
681 #define SAR_TSR_TYPE_TSR 0x80000000
682 #define SAR_TSR_TYPE_TBD 0x00000000
683 #define SAR_TSR_TSIF 0x20000000
684 #define SAR_TSR_TAG_MASK 0x01F00000
685
686
687 /*****************************************************************************/
688 /* */
689 /* TBD - Transmit Buffer Descriptor */
690 /* */
691 /*****************************************************************************/
692
693 #define SAR_TBD_EPDU 0x40000000
694 #define SAR_TBD_TSIF 0x20000000
695 #define SAR_TBD_OAM 0x10000000
696 #define SAR_TBD_AAL0 0x00000000
697 #define SAR_TBD_AAL34 0x04000000
698 #define SAR_TBD_AAL5 0x08000000
699 #define SAR_TBD_GTSI 0x02000000
700 #define SAR_TBD_TAG_MASK 0x01F00000
701
702 #define SAR_TBD_VPI_MASK 0x0FF00000
703 #define SAR_TBD_VCI_MASK 0x000FFFF0
704 #define SAR_TBD_VC_MASK (SAR_TBD_VPI_MASK | SAR_TBD_VCI_MASK)
705
706 #define SAR_TBD_VPI_SHIFT 20
707 #define SAR_TBD_VCI_SHIFT 4
708
709
710 /*****************************************************************************/
711 /* */
712 /* RXFD - Receive FIFO Descriptor */
713 /* */
714 /*****************************************************************************/
715
716 #define SAR_RXFD_SIZE_MASK 0x0F000000
717 #define SAR_RXFD_SIZE_512 0x00000000 /* 512 words */
718 #define SAR_RXFD_SIZE_1K 0x01000000 /* 1k words */
719 #define SAR_RXFD_SIZE_2K 0x02000000 /* 2k words */
720 #define SAR_RXFD_SIZE_4K 0x03000000 /* 4k words */
721 #define SAR_RXFD_SIZE_8K 0x04000000 /* 8k words */
722 #define SAR_RXFD_SIZE_16K 0x05000000 /* 16k words */
723 #define SAR_RXFD_SIZE_32K 0x06000000 /* 32k words */
724 #define SAR_RXFD_SIZE_64K 0x07000000 /* 64k words */
725 #define SAR_RXFD_SIZE_128K 0x08000000 /* 128k words */
726 #define SAR_RXFD_SIZE_256K 0x09000000 /* 256k words */
727 #define SAR_RXFD_ADDR_MASK 0x001ffc00
728
729
730 /*****************************************************************************/
731 /* */
732 /* ABRSTD - ABR + VBR Schedule Tables */
733 /* */
734 /*****************************************************************************/
735
736 #define SAR_ABRSTD_SIZE_MASK 0x07000000
737 #define SAR_ABRSTD_SIZE_512 0x00000000 /* 512 words */
738 #define SAR_ABRSTD_SIZE_1K 0x01000000 /* 1k words */
739 #define SAR_ABRSTD_SIZE_2K 0x02000000 /* 2k words */
740 #define SAR_ABRSTD_SIZE_4K 0x03000000 /* 4k words */
741 #define SAR_ABRSTD_SIZE_8K 0x04000000 /* 8k words */
742 #define SAR_ABRSTD_SIZE_16K 0x05000000 /* 16k words */
743 #define SAR_ABRSTD_ADDR_MASK 0x001ffc00
744
745
746 /*****************************************************************************/
747 /* */
748 /* RCTE - Receive Connection Table Entry */
749 /* */
750 /*****************************************************************************/
751
752 #define SAR_RCTE_IL_MASK 0xE0000000 /* inactivity limit */
753 #define SAR_RCTE_IC_MASK 0x1C000000 /* inactivity count */
754 #define SAR_RCTE_RSVD 0x02000000 /* reserved */
755 #define SAR_RCTE_LCD 0x01000000 /* last cell data */
756 #define SAR_RCTE_CI_VC 0x00800000 /* EFCI in previous cell of VC */
757 #define SAR_RCTE_FBP_01 0x00000000 /* 1. cell->FBQ0, others->FBQ1 */
758 #define SAR_RCTE_FBP_1 0x00200000 /* use FBQ 1 for all cells */
759 #define SAR_RCTE_FBP_2 0x00400000 /* use FBQ 2 for all cells */
760 #define SAR_RCTE_FBP_3 0x00600000 /* use FBQ 3 for all cells */
761 #define SAR_RCTE_NZ_GFC 0x00100000 /* non zero GFC in all cell of VC */
762 #define SAR_RCTE_CONNECTOPEN 0x00080000 /* VC is open */
763 #define SAR_RCTE_AAL_MASK 0x00070000 /* mask for AAL type field s.b. */
764 #define SAR_RCTE_RAWCELLINTEN 0x00008000 /* raw cell interrupt enable */
765 #define SAR_RCTE_RXCONCELLADDR 0x00004000 /* RX constant cell address */
766 #define SAR_RCTE_BUFFSTAT_MASK 0x00003000 /* buffer status */
767 #define SAR_RCTE_EFCI 0x00000800 /* EFCI Congestion flag */
768 #define SAR_RCTE_CLP 0x00000400 /* Cell Loss Priority flag */
769 #define SAR_RCTE_CRC 0x00000200 /* Received CRC Error */
770 #define SAR_RCTE_CELLCNT_MASK 0x000001FF /* cell Count */
771
772 #define SAR_RCTE_AAL0 0x00000000 /* AAL types for ALL field */
773 #define SAR_RCTE_AAL34 0x00010000
774 #define SAR_RCTE_AAL5 0x00020000
775 #define SAR_RCTE_RCQ 0x00030000
776 #define SAR_RCTE_OAM 0x00040000
777
778 #define TCMDQ_START 0x01000000
779 #define TCMDQ_LACR 0x02000000
780 #define TCMDQ_START_LACR 0x03000000
781 #define TCMDQ_INIT_ER 0x04000000
782 #define TCMDQ_HALT 0x05000000
783
784
785 struct idt77252_skb_prv {
786 struct scqe tbd; /* Transmit Buffer Descriptor */
787 dma_addr_t paddr; /* DMA handle */
788 u32 pool; /* sb_pool handle */
789 };
790
791 #define IDT77252_PRV_TBD(skb) \
792 (((struct idt77252_skb_prv *)(ATM_SKB(skb)+1))->tbd)
793 #define IDT77252_PRV_PADDR(skb) \
794 (((struct idt77252_skb_prv *)(ATM_SKB(skb)+1))->paddr)
795 #define IDT77252_PRV_POOL(skb) \
796 (((struct idt77252_skb_prv *)(ATM_SKB(skb)+1))->pool)
797
798 /*****************************************************************************/
799 /* */
800 /* PCI related items */
801 /* */
802 /*****************************************************************************/
803
804 #ifndef PCI_VENDOR_ID_IDT
805 #define PCI_VENDOR_ID_IDT 0x111D
806 #endif /* PCI_VENDOR_ID_IDT */
807
808 #ifndef PCI_DEVICE_ID_IDT_IDT77252
809 #define PCI_DEVICE_ID_IDT_IDT77252 0x0003
810 #endif /* PCI_DEVICE_ID_IDT_IDT772052 */
811
812
813 #endif /* !(_IDT77252_H) */
Linux with added FPC-III support