Cross Reference: /freebsd-10.1-release/sys/dev/asr/dptalign.h

1/*
2 * Copyright (c) 1996-1999 Distributed Processing Technology Corporation
3 * All rights reserved.
4 *
5 * Redistribution and use in source form, with or without modification, are
6 * permitted provided that redistributions of source code must retain the
7 * above copyright notice, this list of conditions and the following disclaimer.
8 *

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15 * substitute goods or services; loss of use, data, or profits; or business
16 * interruptions) however caused and on any theory of liability, whether in
17 * contract, strict liability, or tort (including negligence or otherwise)
18 * arising in any way out of the use of x driver software, even if advised
19 * of the possibility of such damage.
20 *
21 * DPT Alignment Description File
22 *

23 * $FreeBSD: head/sys/dev/asr/dptalign.h 87826 2001-12-13 23:48:34Z obrien $

23 * $FreeBSD: head/sys/dev/asr/dptalign.h 96551 2002-05-14 00:53:08Z obrien $

24 */
25#if (!defined(__DPTALIGN_H))

26#define __DPTALIGN_H

27
28/*
29 * File - DPTALIGN.H
30 *
31 * Description: This file contains basic Alignment support definitions.
32 *
33 * Copyright Distributed Processing Technology, Corp.
34 * 140 Candace Dr.

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165# else
166# define osdLocal4(x) ((unsigned DPT_4_BYTES)osdLocal2(((unsigned char __FAR__ *) \
167 (x)+2)) + (((unsigned DPT_4_BYTES)((unsigned char __FAR__ *)(x))[1]) << 16) \
168 + (((unsigned DPT_4_BYTES)((unsigned char __FAR__ *)(x))[0]) << 24))
169# endif
170# endif
171#endif
172

173#define I2O_TID_MASK ((unsigned DPT_4_BYTES) ((1L<<I2O_TID_SZ)-1))

174
175/*
176 * Now the access macros used throughout in order to methodize the
177 * active alignment.
178 */

179#define getUP1(x,y) (((unsigned char __FAR__ *)(x))+(unsigned DPT_4_BYTES)(y))
180#define getU1(x,y) (*getUP1(x,y))
181#define setU1(x,y,z) (*((unsigned char *)getUP1(x,y)) = (unsigned char)(z))
182#define orU1(x,y,z) (*getUP1(x,y) |= (unsigned char)(z))
183#define andU1(x,y,z) (*getUP1(x,y) &= (unsigned char)(z))
184#define getUP2(x,y) ((unsigned short __FAR__ *)(((unsigned char __FAR__ *) \

185 (x))+(unsigned DPT_4_BYTES)(y)))

186#define getBU2(x,y) ((unsigned short)osdLocal2((unsigned short __FAR__ *) \

187 getUP1(x,y)))

188#define getLU2(x,y) ((unsigned short)osdSLocal2((unsigned short __FAR__ *) \

189 getUP1(x,y)))
190/* to be deleted */

191#define getU2(x,y) ((unsigned short)osdLocal2((unsigned short __FAR__ *) \

192 getUP1(x,y)))
193#if (!defined(setU2))
194# define setU2(x,y,z) { unsigned short hold = (unsigned short)(z); \
195 *((unsigned short __FAR__ *)getUP1(x,y)) \
196 = osdLocal2(&hold); \
197 }
198#endif
199#if (!defined(setBU2))

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205#if (!defined(setLU2))
206# define setLU2(x,y,z) { unsigned short hold = (unsigned short)(z); \
207 *((unsigned short __FAR__ *)getUP1(x,y)) \
208 = osdSLocal2(&hold); \
209 }
210#endif
211
212/* to be deleted */

213#define getU3(x,y) ((unsigned DPT_4_BYTES)osdLocal3((unsigned DPT_4_BYTES __FAR__ *) \

214 getUP1(x,y)))
215#if (!defined(setU3))
216# if (defined(_DPT_BIG_ENDIAN))
217# define setU3(x,y,z) \
218 { unsigned DPT_4_BYTES hold = z; \
219 *(getUP1(x,y)) = (unsigned char)(hold >> 16L); \
220 *((unsigned short __FAR__ *)(getUP1(x,y) + 1)) \
221 = (unsigned short)hold; \

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226 *(getUP1(x,y) + 0) = (unsigned char)(hold >> 16) ; \
227 *(getUP1(x,y) + 1) = (unsigned char)(hold >> 8L); \
228 *(getUP1(x,y) + 2) = (unsigned char)(hold); \
229 }
230# endif
231#endif
232/* up to here to be deleted */
233

234#define getBU3(x,y) ((unsigned DPT_4_BYTES)osdLocal3((unsigned DPT_4_BYTES __FAR__ *) \

235 getUP1(x,y)))
236#if (!defined(setBU3))
237# if (defined(_DPT_BIG_ENDIAN))
238# define setBU3(x,y,z) \
239 { unsigned DPT_4_BYTES hold = z; \
240 *(getUP1(x,y)) = (unsigned char)(hold >> 16L); \
241 *((unsigned short __FAR__ *)(getUP1(x,y) + 1)) \
242 = (unsigned short)hold; \
243 }
244# else
245# define setBU3(x,y,z) \
246 { unsigned DPT_4_BYTES hold = z; \
247 *(getUP1(x,y) + 0) = (unsigned char)(hold >> 16) ; \
248 *(getUP1(x,y) + 1) = (unsigned char)(hold >> 8L); \
249 *(getUP1(x,y) + 2) = (unsigned char)(hold); \
250 }
251# endif
252#endif

253#define getUP4(x,y) ((unsigned DPT_4_BYTES __FAR__ *)(((unsigned char __FAR__ *) \

254 (x))+(unsigned DPT_4_BYTES)(y)))

255#define getBU4(x,y) ((unsigned DPT_4_BYTES)osdLocal4((unsigned DPT_4_BYTES __FAR__ *) \

256 getUP1(x,y)))

257#define getLU4(x,y) ((unsigned DPT_4_BYTES)osdSLocal4((unsigned DPT_4_BYTES __FAR__ *) \

258 getUP1(x,y)))
259/* to be deleted */

260#define getU4(x,y) ((unsigned DPT_4_BYTES)osdSLocal4((unsigned DPT_4_BYTES __FAR__ *) \

261 getUP1(x,y)))
262#if (!defined(setU4))
263# define setU4(x,y,z) { unsigned DPT_4_BYTES hold = z; \
264 *((unsigned DPT_4_BYTES __FAR__ *)getUP1(x,y)) \
265 = osdLocal4(&hold); \
266 }
267#endif
268/* up to here */

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275#if (!defined(setLU4))
276# define setLU4(x,y,z) { unsigned DPT_4_BYTES hold = z; \
277 *((unsigned DPT_4_BYTES __FAR__ *)getUP1(x,y)) \
278 = osdSLocal4(&hold); \
279 }
280#endif
281
282

283#define osdSwap16bit(x) ( (((unsigned short )x & 0xf000) >> 12) | \

284 (((unsigned short )x & 0x0f00) >> 4) | \
285 (((unsigned short )x & 0x00f0) << 4) | \
286 (((unsigned short )x & 0x000f) << 12 ) )
287
288/*
289 * note that in big endian a 12 bit number (0x123) is stored as 1203
290 */
291

292#define osdSwap12bit(x) (( (((unsigned short )x & 0x0f00) >> 8) | \

293 ((unsigned short )x & 0x00f0) | \
294 (((unsigned short )x & 0x000f) << 8 ) ) )
295

296#define osdSwap8bit(x) ( (((unsigned char )x & 0x0f) << 4) | \

297 (((unsigned char )x &0xf0) >> 4 ) )
298

299#define getL24bit1(w,x,y) ((unsigned DPT_4_BYTES)((unsigned char __FAR__ *)(&w->x))[0+(y)] \

300 + ((((unsigned DPT_4_BYTES)((unsigned char __FAR__ *)(&w->x))[1+(y)]) << 8) & 0xFF00) \
301 + ((((unsigned DPT_4_BYTES)((unsigned char __FAR__ *)(&w->x))[2+(y)]) << 16) & 0xFF0000))
302

303#define setL24bit1(w,x,y,z) { ((unsigned char __FAR__ *)(&w->x))[0+(y)] = (z); \

304 ((unsigned char __FAR__ *)(&w->x))[1+(y)] = ((z) >> 8) & 0xFF; \
305 ((unsigned char __FAR__ *)(&w->x))[2+(y)] = ((z) >> 16) & 0xFF; \
306 }
307

308#define getL16bit(w,x,y) ((unsigned short)((unsigned char __FAR__ *)(&w->x))[0+(y)] \

309 + ((((unsigned short)((unsigned char __FAR__ *)(&w->x))[1+(y)]) << 8) & 0xFF00))
310

311#define setL16bit(w,x,y,z) { ((unsigned char __FAR__ *)(&w->x))[0+(y)] = (z); \

312 ((unsigned char __FAR__ *)(&w->x))[1+(y)] = ((z) >> 8) & 0xFF; \
313 }
314

315#define getL16bit2(w,x,y) ((unsigned short)((unsigned char __FAR__ *)(&w->x))[2+(y)] \

316 + ((((unsigned short)((unsigned char __FAR__ *)(&w->x))[3+(y)]) << 8) & 0xFF00))
317

318#define setL16bit2(w,x,y,z) { ((unsigned char __FAR__ *)(&w->x))[2+(y)] = (z); \

319 ((unsigned char __FAR__ *)(&w->x))[3+(y)] = ((z) >> 8) & 0xFF; \
320 }
321
322/* y is the number of bytes from beg of DPT_4_BYTES to get upper 4 bit of the addressed byte */

323#define getL4bit(w,x,y) \

324 ((unsigned char)(((unsigned char __FAR__ *)(&w->x))[0+(y)] >> 4) & 0x0f)
325

326#define setL4bit(w,x,y,z) { \

327 ((unsigned char __FAR__ *)(&w->x))[0+(y)] &= 0xF0; \
328 ((unsigned char __FAR__ *)(&w->x))[0+(y)] |= ((z) << 4) & 0xF0; \
329 }
330/* y is number of bytes from beg of DPT_4_BYTES */

331#define getL1bit(w,x,y) \

332 ((unsigned char)(((unsigned char __FAR__ *)(&w->x))[0+(y)] ) & 0x01)
333

334#define setL1bit(w,x,y,z) { \

335 ((unsigned char __FAR__ *)(&w->x))[0+(y)] &= 0xFE; \
336 ((unsigned char __FAR__ *)(&w->x))[0+(y)] |= (z) & 0x01; \
337 }

338#define getL1bit1(w,x,y) \

339 ((unsigned char)(((unsigned char __FAR__ *)(&w->x))[0+(y)] >> 1) & 0x01)
340

341#define setL1bit1(w,x,y,z) { \

342 ((unsigned char __FAR__ *)(&w->x))[0+(y)] &= 0xFD; \
343 ((unsigned char __FAR__ *)(&w->x))[0+(y)] |= (z << 1) & 0x02; \
344 }
345
346
347
348/* 12 bit at the first 12 bits of a DPT_4_BYTES word */

349#define getL12bit(w,x,y) ((unsigned short)((unsigned char __FAR__ *)(&w->x))[0+(y)] \

350 + ((((unsigned short)((unsigned char __FAR__ *)(&w->x))[1+(y)]) << 8) & 0xF00))
351

352#define setL12bit(w,x,y,z) { ((unsigned char __FAR__ *)(&w->x))[0+(y)] = (z); \

353 ((unsigned char __FAR__ *)(&w->x))[1+(y)] &= 0xF0; \
354 ((unsigned char __FAR__ *)(&w->x))[1+(y)] |= ((z) >> 8) & 0xF; \
355 }
356/* 12 bit after another 12 bit in DPT_4_BYTES word */

357#define getL12bit1(w,x,y) (((unsigned short)((unsigned char __FAR__ *)(&w->x))[1+(y)]) >> 4 \

358 + ((((unsigned short)((unsigned char __FAR__ *)(&w->x))[2+(y)]) << 4) ))
359

360#define setL12bit1(w,x,y,z) { ((unsigned char __FAR__ *)(&w->x))[1+(y)] &= 0x0F; \

361 ((unsigned char __FAR__ *)(&w->x))[1+(y)] |= ((z) & 0xF) << 4; \
362 ((unsigned char __FAR__ *)(&w->x))[2+(y)] &= 0x00;\
363 ((unsigned char __FAR__ *)(&w->x))[2+(y)] |= ((z) >> 8) & 0xff;\
364 }
365
366/* 12 at the 3rd byte in a DPT_4_BYTES word */

367#define getL12bit2(w,x,y) ((unsigned short)((unsigned char __FAR__ *)(&w->x))[2+(y)] \

368 + ((((unsigned short)((unsigned char __FAR__ *)(&w->x))[3+(y)]) << 8) & 0xF00))
369

370#define setL12bit2(w,x,y,z) { ((unsigned char __FAR__ *)(&w->x))[2+(y)] = (z); \

371 ((unsigned char __FAR__ *)(&w->x))[3+(y)] &= 0xF0; \
372 ((unsigned char __FAR__ *)(&w->x))[3+(y)] |= ((z) >> 8) & 0xF; \
373 }
374

375#define getL8bit(w,x,y) (\

376 (*(((unsigned char __FAR__ *)(&((w)->x)))\
377 + y)) )
378

379#define setL8bit(w,x,y,z) {\