1 /* $Id: newport.h,v 1.5 1999/08/04 06:01:51 ulfc Exp $
2 *
3 * newport.h: Defines and register layout for NEWPORT graphics
4 * hardware.
5 *
6 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
7 *
8 * Ulf Carlsson - Compatibility with the IRIX structures added
9 */
10
11 #ifndef _SGI_NEWPORT_H
12 #define _SGI_NEWPORT_H
13
14
15 typedef volatile unsigned int npireg_t;
16
17 union npfloat {
18 volatile float flt;
19 npireg_t word;
20 };
21
22 typedef union npfloat npfreg_t;
23
24 union np_dcb {
25 npireg_t byword;
26 struct { volatile unsigned short s0, s1; } byshort;
27 struct { volatile unsigned char b0, b1, b2, b3; } bybytes;
28 };
29
30 struct newport_rexregs {
31 npireg_t drawmode1; /* GL extra mode bits */
32
33 #define DM1_PLANES 0x00000007
34 #define DM1_NOPLANES 0x00000000
35 #define DM1_RGBPLANES 0x00000001
36 #define DM1_RGBAPLANES 0x00000002
37 #define DM1_OLAYPLANES 0x00000004
38 #define DM1_PUPPLANES 0x00000005
39 #define DM1_CIDPLANES 0x00000006
40
41 #define NPORT_DMODE1_DDMASK 0x00000018
42 #define NPORT_DMODE1_DD4 0x00000000
43 #define NPORT_DMODE1_DD8 0x00000008
44 #define NPORT_DMODE1_DD12 0x00000010
45 #define NPORT_DMODE1_DD24 0x00000018
46 #define NPORT_DMODE1_DSRC 0x00000020
47 #define NPORT_DMODE1_YFLIP 0x00000040
48 #define NPORT_DMODE1_RWPCKD 0x00000080
49 #define NPORT_DMODE1_HDMASK 0x00000300
50 #define NPORT_DMODE1_HD4 0x00000000
51 #define NPORT_DMODE1_HD8 0x00000100
52 #define NPORT_DMODE1_HD12 0x00000200
53 #define NPORT_DMODE1_HD32 0x00000300
54 #define NPORT_DMODE1_RWDBL 0x00000400
55 #define NPORT_DMODE1_ESWAP 0x00000800 /* Endian swap */
56 #define NPORT_DMODE1_CCMASK 0x00007000
57 #define NPORT_DMODE1_CCLT 0x00001000
58 #define NPORT_DMODE1_CCEQ 0x00002000
59 #define NPORT_DMODE1_CCGT 0x00004000
60 #define NPORT_DMODE1_RGBMD 0x00008000
61 #define NPORT_DMODE1_DENAB 0x00010000 /* Dither enable */
62 #define NPORT_DMODE1_FCLR 0x00020000 /* Fast clear */
63 #define NPORT_DMODE1_BENAB 0x00040000 /* Blend enable */
64 #define NPORT_DMODE1_SFMASK 0x00380000
65 #define NPORT_DMODE1_SF0 0x00000000
66 #define NPORT_DMODE1_SF1 0x00080000
67 #define NPORT_DMODE1_SFDC 0x00100000
68 #define NPORT_DMODE1_SFMDC 0x00180000
69 #define NPORT_DMODE1_SFSA 0x00200000
70 #define NPORT_DMODE1_SFMSA 0x00280000
71 #define NPORT_DMODE1_DFMASK 0x01c00000
72 #define NPORT_DMODE1_DF0 0x00000000
73 #define NPORT_DMODE1_DF1 0x00400000
74 #define NPORT_DMODE1_DFSC 0x00800000
75 #define NPORT_DMODE1_DFMSC 0x00c00000
76 #define NPORT_DMODE1_DFSA 0x01000000
77 #define NPORT_DMODE1_DFMSA 0x01400000
78 #define NPORT_DMODE1_BBENAB 0x02000000 /* Back blend enable */
79 #define NPORT_DMODE1_PFENAB 0x04000000 /* Pre-fetch enable */
80 #define NPORT_DMODE1_ABLEND 0x08000000 /* Alpha blend */
81 #define NPORT_DMODE1_LOMASK 0xf0000000
82 #define NPORT_DMODE1_LOZERO 0x00000000
83 #define NPORT_DMODE1_LOAND 0x10000000
84 #define NPORT_DMODE1_LOANDR 0x20000000
85 #define NPORT_DMODE1_LOSRC 0x30000000
86 #define NPORT_DMODE1_LOANDI 0x40000000
87 #define NPORT_DMODE1_LODST 0x50000000
88 #define NPORT_DMODE1_LOXOR 0x60000000
89 #define NPORT_DMODE1_LOOR 0x70000000
90 #define NPORT_DMODE1_LONOR 0x80000000
91 #define NPORT_DMODE1_LOXNOR 0x90000000
92 #define NPORT_DMODE1_LONDST 0xa0000000
93 #define NPORT_DMODE1_LOORR 0xb0000000
94 #define NPORT_DMODE1_LONSRC 0xc0000000
95 #define NPORT_DMODE1_LOORI 0xd0000000
96 #define NPORT_DMODE1_LONAND 0xe0000000
97 #define NPORT_DMODE1_LOONE 0xf0000000
98
99 npireg_t drawmode0; /* REX command register */
100
101 /* These bits define the graphics opcode being performed. */
102 #define NPORT_DMODE0_OPMASK 0x00000003 /* Opcode mask */
103 #define NPORT_DMODE0_NOP 0x00000000 /* No operation */
104 #define NPORT_DMODE0_RD 0x00000001 /* Read operation */
105 #define NPORT_DMODE0_DRAW 0x00000002 /* Draw operation */
106 #define NPORT_DMODE0_S2S 0x00000003 /* Screen to screen operation */
107
108 /* The following decide what addressing mode(s) are to be used */
109 #define NPORT_DMODE0_AMMASK 0x0000001c /* Address mode mask */
110 #define NPORT_DMODE0_SPAN 0x00000000 /* Spanning address mode */
111 #define NPORT_DMODE0_BLOCK 0x00000004 /* Block address mode */
112 #define NPORT_DMODE0_ILINE 0x00000008 /* Iline address mode */
113 #define NPORT_DMODE0_FLINE 0x0000000c /* Fline address mode */
114 #define NPORT_DMODE0_ALINE 0x00000010 /* Aline address mode */
115 #define NPORT_DMODE0_TLINE 0x00000014 /* Tline address mode */
116 #define NPORT_DMODE0_BLINE 0x00000018 /* Bline address mode */
117
118 /* And now some misc. operation control bits. */
119 #define NPORT_DMODE0_DOSETUP 0x00000020
120 #define NPORT_DMODE0_CHOST 0x00000040
121 #define NPORT_DMODE0_AHOST 0x00000080
122 #define NPORT_DMODE0_STOPX 0x00000100
123 #define NPORT_DMODE0_STOPY 0x00000200
124 #define NPORT_DMODE0_SK1ST 0x00000400
125 #define NPORT_DMODE0_SKLST 0x00000800
126 #define NPORT_DMODE0_ZPENAB 0x00001000
127 #define NPORT_DMODE0_LISPENAB 0x00002000
128 #define NPORT_DMODE0_LISLST 0x00004000
129 #define NPORT_DMODE0_L32 0x00008000
130 #define NPORT_DMODE0_ZOPQ 0x00010000
131 #define NPORT_DMODE0_LISOPQ 0x00020000
132 #define NPORT_DMODE0_SHADE 0x00040000
133 #define NPORT_DMODE0_LRONLY 0x00080000
134 #define NPORT_DMODE0_XYOFF 0x00100000
135 #define NPORT_DMODE0_CLAMP 0x00200000
136 #define NPORT_DMODE0_ENDPF 0x00400000
137 #define NPORT_DMODE0_YSTR 0x00800000
138
139 npireg_t lsmode; /* Mode for line stipple ops */
140 npireg_t lspattern; /* Pattern for line stipple ops */
141 npireg_t lspatsave; /* Backup save pattern */
142 npireg_t zpattern; /* Pixel zpattern */
143 npireg_t colorback; /* Background color */
144 npireg_t colorvram; /* Clear color for fast vram */
145 npireg_t alpharef; /* Reference value for afunctions */
146 unsigned int pad0;
147 npireg_t smask0x; /* Window GL relative screen mask 0 */
148 npireg_t smask0y; /* Window GL relative screen mask 0 */
149 npireg_t _setup;
150 npireg_t _stepz;
151 npireg_t _lsrestore;
152 npireg_t _lssave;
153
154 unsigned int _pad1[0x30];
155
156 /* Iterators, full state for context switch */
157 npfreg_t _xstart; /* X-start point (current) */
158 npfreg_t _ystart; /* Y-start point (current) */
159 npfreg_t _xend; /* x-end point */
160 npfreg_t _yend; /* y-end point */
161 npireg_t xsave; /* copy of xstart integer value for BLOCk addressing MODE */
162 npireg_t xymove; /* x.y offset from xstart, ystart for relative operations */
163 npfreg_t bresd;
164 npfreg_t bress1;
165 npireg_t bresoctinc1;
166 volatile int bresrndinc2;
167 npireg_t brese1;
168 npireg_t bress2;
169 npireg_t aweight0;
170 npireg_t aweight1;
171 npfreg_t xstartf;
172 npfreg_t ystartf;
173 npfreg_t xendf;
174 npfreg_t yendf;
175 npireg_t xstarti;
176 npfreg_t xendf1;
177 npireg_t xystarti;
178 npireg_t xyendi;
179 npireg_t xstartendi;
180
181 unsigned int _unused2[0x29];
182
183 npfreg_t colorred;
184 npfreg_t coloralpha;
185 npfreg_t colorgrn;
186 npfreg_t colorblue;
187 npfreg_t slopered;
188 npfreg_t slopealpha;
189 npfreg_t slopegrn;
190 npfreg_t slopeblue;
191 npireg_t wrmask;
192 npireg_t colori;
193 npfreg_t colorx;
194 npfreg_t slopered1;
195 npireg_t hostrw0;
196 npireg_t hostrw1;
197 npireg_t dcbmode;
198 #define NPORT_DMODE_WMASK 0x00000003
199 #define NPORT_DMODE_W4 0x00000000
200 #define NPORT_DMODE_W1 0x00000001
201 #define NPORT_DMODE_W2 0x00000002
202 #define NPORT_DMODE_W3 0x00000003
203 #define NPORT_DMODE_EDPACK 0x00000004
204 #define NPORT_DMODE_ECINC 0x00000008
205 #define NPORT_DMODE_CMASK 0x00000070
206 #define NPORT_DMODE_AMASK 0x00000780
207 #define NPORT_DMODE_AVC2 0x00000000
208 #define NPORT_DMODE_ACMALL 0x00000080
209 #define NPORT_DMODE_ACM0 0x00000100
210 #define NPORT_DMODE_ACM1 0x00000180
211 #define NPORT_DMODE_AXMALL 0x00000200
212 #define NPORT_DMODE_AXM0 0x00000280
213 #define NPORT_DMODE_AXM1 0x00000300
214 #define NPORT_DMODE_ABT 0x00000380
215 #define NPORT_DMODE_AVCC1 0x00000400
216 #define NPORT_DMODE_AVAB1 0x00000480
217 #define NPORT_DMODE_ALG3V0 0x00000500
218 #define NPORT_DMODE_A1562 0x00000580
219 #define NPORT_DMODE_ESACK 0x00000800
220 #define NPORT_DMODE_EASACK 0x00001000
221 #define NPORT_DMODE_CWMASK 0x0003e000
222 #define NPORT_DMODE_CHMASK 0x007c0000
223 #define NPORT_DMODE_CSMASK 0x0f800000
224 #define NPORT_DMODE_SENDIAN 0x10000000
225
226 unsigned int _unused3;
227
228 union np_dcb dcbdata0;
229 npireg_t dcbdata1;
230 };
231
232 struct newport_cregs {
233 npireg_t smask1x;
234 npireg_t smask1y;
235 npireg_t smask2x;
236 npireg_t smask2y;
237 npireg_t smask3x;
238 npireg_t smask3y;
239 npireg_t smask4x;
240 npireg_t smask4y;
241 npireg_t topscan;
242 npireg_t xywin;
243 npireg_t clipmode;
244 #define NPORT_CMODE_SM0 0x00000001
245 #define NPORT_CMODE_SM1 0x00000002
246 #define NPORT_CMODE_SM2 0x00000004
247 #define NPORT_CMODE_SM3 0x00000008
248 #define NPORT_CMODE_SM4 0x00000010
249 #define NPORT_CMODE_CMSK 0x00001e00
250
251 unsigned int _unused0;
252 unsigned int config;
253 #define NPORT_CFG_G32MD 0x00000001
254 #define NPORT_CFG_BWIDTH 0x00000002
255 #define NPORT_CFG_ERCVR 0x00000004
256 #define NPORT_CFG_BDMSK 0x00000078
257 #define NPORT_CFG_BFAINT 0x00000080
258 #define NPORT_CFG_GDMSK 0x00001f80
259 #define NPORT_CFG_GD0 0x00000100
260 #define NPORT_CFG_GD1 0x00000200
261 #define NPORT_CFG_GD2 0x00000400
262 #define NPORT_CFG_GD3 0x00000800
263 #define NPORT_CFG_GD4 0x00001000
264 #define NPORT_CFG_GFAINT 0x00002000
265 #define NPORT_CFG_TOMSK 0x0001c000
266 #define NPORT_CFG_VRMSK 0x000e0000
267 #define NPORT_CFG_FBTYP 0x00100000
268
269 npireg_t _unused1;
270 npireg_t status;
271 #define NPORT_STAT_VERS 0x00000007
272 #define NPORT_STAT_GBUSY 0x00000008
273 #define NPORT_STAT_BBUSY 0x00000010
274 #define NPORT_STAT_VRINT 0x00000020
275 #define NPORT_STAT_VIDINT 0x00000040
276 #define NPORT_STAT_GLMSK 0x00001f80
277 #define NPORT_STAT_BLMSK 0x0007e000
278 #define NPORT_STAT_BFIRQ 0x00080000
279 #define NPORT_STAT_GFIRQ 0x00100000
280
281 npireg_t ustatus;
282 npireg_t dcbreset;
283 };
284
285 struct newport_regs {
286 struct newport_rexregs set;
287 unsigned int _unused0[0x16e];
288 struct newport_rexregs go;
289 unsigned int _unused1[0x22e];
290 struct newport_cregs cset;
291 unsigned int _unused2[0x1ef];
292 struct newport_cregs cgo;
293 };
294
295 typedef struct {
296 unsigned int drawmode1;
297 unsigned int drawmode0;
298 unsigned int lsmode;
299 unsigned int lspattern;
300 unsigned int lspatsave;
301 unsigned int zpattern;
302 unsigned int colorback;
303 unsigned int colorvram;
304 unsigned int alpharef;
305 unsigned int smask0x;
306 unsigned int smask0y;
307 unsigned int _xstart;
308 unsigned int _ystart;
309 unsigned int _xend;
310 unsigned int _yend;
311 unsigned int xsave;
312 unsigned int xymove;
313 unsigned int bresd;
314 unsigned int bress1;
315 unsigned int bresoctinc1;
316 unsigned int bresrndinc2;
317 unsigned int brese1;
318 unsigned int bress2;
319
320 unsigned int aweight0;
321 unsigned int aweight1;
322 unsigned int colorred;
323 unsigned int coloralpha;
324 unsigned int colorgrn;
325 unsigned int colorblue;
326 unsigned int slopered;
327 unsigned int slopealpha;
328 unsigned int slopegrn;
329 unsigned int slopeblue;
330 unsigned int wrmask;
331 unsigned int hostrw0;
332 unsigned int hostrw1;
333
334 /* configregs */
335
336 unsigned int smask1x;
337 unsigned int smask1y;
338 unsigned int smask2x;
339 unsigned int smask2y;
340 unsigned int smask3x;
341 unsigned int smask3y;
342 unsigned int smask4x;
343 unsigned int smask4y;
344 unsigned int topscan;
345 unsigned int xywin;
346 unsigned int clipmode;
347 unsigned int config;
348
349 /* dcb registers */
350 unsigned int dcbmode;
351 unsigned int dcbdata0;
352 unsigned int dcbdata1;
353 } newport_ctx;
354
355 /* Reading/writing VC2 registers. */
356 #define VC2_REGADDR_INDEX 0x00000000
357 #define VC2_REGADDR_IREG 0x00000010
358 #define VC2_REGADDR_RAM 0x00000030
359 #define VC2_PROTOCOL (NPORT_DMODE_EASACK | 0x00800000 | 0x00040000)
360
361 #define VC2_VLINET_ADDR 0x000
362 #define VC2_VFRAMET_ADDR 0x400
363 #define VC2_CGLYPH_ADDR 0x500
364
365 /* Now the Indexed registers of the VC2. */
366 #define VC2_IREG_VENTRY 0x00
367 #define VC2_IREG_CENTRY 0x01
368 #define VC2_IREG_CURSX 0x02
369 #define VC2_IREG_CURSY 0x03
370 #define VC2_IREG_CCURSX 0x04
371 #define VC2_IREG_DENTRY 0x05
372 #define VC2_IREG_SLEN 0x06
373 #define VC2_IREG_RADDR 0x07
374 #define VC2_IREG_VFPTR 0x08
375 #define VC2_IREG_VLSPTR 0x09
376 #define VC2_IREG_VLIR 0x0a
377 #define VC2_IREG_VLCTR 0x0b
378 #define VC2_IREG_CTPTR 0x0c
379 #define VC2_IREG_WCURSY 0x0d
380 #define VC2_IREG_DFPTR 0x0e
381 #define VC2_IREG_DLTPTR 0x0f
382 #define VC2_IREG_CONTROL 0x10
383 #define VC2_IREG_CONFIG 0x20
384
newport_vc2_set(struct newport_regs * regs,unsigned char vc2ireg,unsigned short val)385 static inline void newport_vc2_set(struct newport_regs *regs,
386 unsigned char vc2ireg,
387 unsigned short val)
388 {
389 regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX | NPORT_DMODE_W3 |
390 NPORT_DMODE_ECINC | VC2_PROTOCOL);
391 regs->set.dcbdata0.byword = (vc2ireg << 24) | (val << 8);
392 }
393
newport_vc2_get(struct newport_regs * regs,unsigned char vc2ireg)394 static inline unsigned short newport_vc2_get(struct newport_regs *regs,
395 unsigned char vc2ireg)
396 {
397 regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX | NPORT_DMODE_W1 |
398 NPORT_DMODE_ECINC | VC2_PROTOCOL);
399 regs->set.dcbdata0.bybytes.b3 = vc2ireg;
400 regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_IREG | NPORT_DMODE_W2 |
401 NPORT_DMODE_ECINC | VC2_PROTOCOL);
402 return regs->set.dcbdata0.byshort.s1;
403 }
404
405 /* VC2 Control register bits */
406 #define VC2_CTRL_EVIRQ 0x0001
407 #define VC2_CTRL_EDISP 0x0002
408 #define VC2_CTRL_EVIDEO 0x0004
409 #define VC2_CTRL_EDIDS 0x0008
410 #define VC2_CTRL_ECURS 0x0010
411 #define VC2_CTRL_EGSYNC 0x0020
412 #define VC2_CTRL_EILACE 0x0040
413 #define VC2_CTRL_ECDISP 0x0080
414 #define VC2_CTRL_ECCURS 0x0100
415 #define VC2_CTRL_ECG64 0x0200
416 #define VC2_CTRL_GLSEL 0x0400
417
418 /* Controlling the color map on NEWPORT. */
419 #define NCMAP_REGADDR_AREG 0x00000000
420 #define NCMAP_REGADDR_ALO 0x00000000
421 #define NCMAP_REGADDR_AHI 0x00000010
422 #define NCMAP_REGADDR_PBUF 0x00000020
423 #define NCMAP_REGADDR_CREG 0x00000030
424 #define NCMAP_REGADDR_SREG 0x00000040
425 #define NCMAP_REGADDR_RREG 0x00000060
426 #define NCMAP_PROTOCOL (0x00008000 | 0x00040000 | 0x00800000)
427
newport_cmap_setaddr(struct newport_regs * regs,unsigned short addr)428 static __inline__ void newport_cmap_setaddr(struct newport_regs *regs,
429 unsigned short addr)
430 {
431 regs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL |
432 NPORT_DMODE_SENDIAN | NPORT_DMODE_ECINC |
433 NCMAP_REGADDR_AREG | NPORT_DMODE_W2);
434 regs->set.dcbdata0.byshort.s1 = addr;
435 regs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL |
436 NCMAP_REGADDR_PBUF | NPORT_DMODE_W3);
437 }
438
newport_cmap_setrgb(struct newport_regs * regs,unsigned char red,unsigned char green,unsigned char blue)439 static __inline__ void newport_cmap_setrgb(struct newport_regs *regs,
440 unsigned char red,
441 unsigned char green,
442 unsigned char blue)
443 {
444 regs->set.dcbdata0.byword =
445 (red << 24) |
446 (green << 16) |
447 (blue << 8);
448 }
449
450 /* Miscellaneous NEWPORT routines. */
451 #define BUSY_TIMEOUT 100000
newport_wait(struct newport_regs * regs)452 static __inline__ int newport_wait(struct newport_regs *regs)
453 {
454 int t = BUSY_TIMEOUT;
455
456 while (--t)
457 if (!(regs->cset.status & NPORT_STAT_GBUSY))
458 break;
459 return !t;
460 }
461
newport_bfwait(struct newport_regs * regs)462 static __inline__ int newport_bfwait(struct newport_regs *regs)
463 {
464 int t = BUSY_TIMEOUT;
465
466 while (--t)
467 if(!(regs->cset.status & NPORT_STAT_BBUSY))
468 break;
469 return !t;
470 }
471
472 /*
473 * DCBMODE register defines:
474 */
475
476 /* Width of the data being transferred for each DCBDATA[01] word */
477 #define DCB_DATAWIDTH_4 0x0
478 #define DCB_DATAWIDTH_1 0x1
479 #define DCB_DATAWIDTH_2 0x2
480 #define DCB_DATAWIDTH_3 0x3
481
482 /* If set, all of DCBDATA will be moved, otherwise only DATAWIDTH bytes */
483 #define DCB_ENDATAPACK (1 << 2)
484
485 /* Enables DCBCRS auto increment after each DCB transfer */
486 #define DCB_ENCRSINC (1 << 3)
487
488 /* shift for accessing the control register select address (DBCCRS, 3 bits) */
489 #define DCB_CRS_SHIFT 4
490
491 /* DCBADDR (4 bits): display bus slave address */
492 #define DCB_ADDR_SHIFT 7
493 #define DCB_VC2 (0 << DCB_ADDR_SHIFT)
494 #define DCB_CMAP_ALL (1 << DCB_ADDR_SHIFT)
495 #define DCB_CMAP0 (2 << DCB_ADDR_SHIFT)
496 #define DCB_CMAP1 (3 << DCB_ADDR_SHIFT)
497 #define DCB_XMAP_ALL (4 << DCB_ADDR_SHIFT)
498 #define DCB_XMAP0 (5 << DCB_ADDR_SHIFT)
499 #define DCB_XMAP1 (6 << DCB_ADDR_SHIFT)
500 #define DCB_BT445 (7 << DCB_ADDR_SHIFT)
501 #define DCB_VCC1 (8 << DCB_ADDR_SHIFT)
502 #define DCB_VAB1 (9 << DCB_ADDR_SHIFT)
503 #define DCB_LG3_BDVERS0 (10 << DCB_ADDR_SHIFT)
504 #define DCB_LG3_ICS1562 (11 << DCB_ADDR_SHIFT)
505 #define DCB_RESERVED (15 << DCB_ADDR_SHIFT)
506
507 /* DCB protocol ack types */
508 #define DCB_ENSYNCACK (1 << 11)
509 #define DCB_ENASYNCACK (1 << 12)
510
511 #define DCB_CSWIDTH_SHIFT 13
512 #define DCB_CSHOLD_SHIFT 18
513 #define DCB_CSSETUP_SHIFT 23
514
515 /* XMAP9 specific defines */
516 /* XMAP9 -- registers as seen on the DCBMODE register*/
517 # define XM9_CRS_CONFIG (0 << DCB_CRS_SHIFT)
518 # define XM9_PUPMODE (1 << 0)
519 # define XM9_ODD_PIXEL (1 << 1)
520 # define XM9_8_BITPLANES (1 << 2)
521 # define XM9_SLOW_DCB (1 << 3)
522 # define XM9_VIDEO_RGBMAP_MASK (3 << 4)
523 # define XM9_EXPRESS_VIDEO (1 << 6)
524 # define XM9_VIDEO_OPTION (1 << 7)
525 # define XM9_CRS_REVISION (1 << DCB_CRS_SHIFT)
526 # define XM9_CRS_FIFO_AVAIL (2 << DCB_CRS_SHIFT)
527 # define XM9_FIFO_0_AVAIL 0
528 # define XM9_FIFO_1_AVAIL 1
529 # define XM9_FIFO_2_AVAIL 3
530 # define XM9_FIFO_3_AVAIL 2
531 # define XM9_FIFO_FULL XM9_FIFO_0_AVAIL
532 # define XM9_FIFO_EMPTY XM9_FIFO_3_AVAIL
533 # define XM9_CRS_CURS_CMAP_MSB (3 << DCB_CRS_SHIFT)
534 # define XM9_CRS_PUP_CMAP_MSB (4 << DCB_CRS_SHIFT)
535 # define XM9_CRS_MODE_REG_DATA (5 << DCB_CRS_SHIFT)
536 # define XM9_CRS_MODE_REG_INDEX (7 << DCB_CRS_SHIFT)
537
538
539 #define DCB_CYCLES(setup,hold,width) \
540 ((hold << DCB_CSHOLD_SHIFT) | \
541 (setup << DCB_CSSETUP_SHIFT)| \
542 (width << DCB_CSWIDTH_SHIFT))
543
544 #define W_DCB_XMAP9_PROTOCOL DCB_CYCLES (2, 1, 0)
545 #define WSLOW_DCB_XMAP9_PROTOCOL DCB_CYCLES (5, 5, 0)
546 #define WAYSLOW_DCB_XMAP9_PROTOCOL DCB_CYCLES (12, 12, 0)
547 #define R_DCB_XMAP9_PROTOCOL DCB_CYCLES (2, 1, 3)
548
549 static __inline__ void
xmap9FIFOWait(struct newport_regs * rex)550 xmap9FIFOWait (struct newport_regs *rex)
551 {
552 rex->set.dcbmode = DCB_XMAP0 | XM9_CRS_FIFO_AVAIL |
553 DCB_DATAWIDTH_1 | R_DCB_XMAP9_PROTOCOL;
554 newport_bfwait (rex);
555
556 while ((rex->set.dcbdata0.bybytes.b3 & 3) != XM9_FIFO_EMPTY)
557 ;
558 }
559
560 static __inline__ void
xmap9SetModeReg(struct newport_regs * rex,unsigned int modereg,unsigned int data24,int cfreq)561 xmap9SetModeReg (struct newport_regs *rex, unsigned int modereg, unsigned int data24, int cfreq)
562 {
563 if (cfreq > 119)
564 rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA |
565 DCB_DATAWIDTH_4 | W_DCB_XMAP9_PROTOCOL;
566 else if (cfreq > 59)
567 rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA |
568 DCB_DATAWIDTH_4 | WSLOW_DCB_XMAP9_PROTOCOL;
569 else
570 rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA |
571 DCB_DATAWIDTH_4 | WAYSLOW_DCB_XMAP9_PROTOCOL;
572 rex->set.dcbdata0.byword = ((modereg) << 24) | (data24 & 0xffffff);
573 }
574
575 #define BT445_PROTOCOL DCB_CYCLES(1,1,3)
576
577 #define BT445_CSR_ADDR_REG (0 << DCB_CRS_SHIFT)
578 #define BT445_CSR_REVISION (2 << DCB_CRS_SHIFT)
579
580 #define BT445_REVISION_REG 0x01
581
582 #endif /* !(_SGI_NEWPORT_H) */
583
584