1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* $Id: newport.h,v 1.5 1999/08/04 06:01:51 ulfc Exp $
3 *
4 * newport.h: Defines and register layout for NEWPORT graphics
5 * hardware.
6 *
7 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
8 *
9 * Ulf Carlsson - Compatibility with the IRIX structures added
10 */
11
12 #ifndef _SGI_NEWPORT_H
13 #define _SGI_NEWPORT_H
14
15
16 typedef volatile unsigned int npireg_t;
17
18 union npfloat {
19 volatile float flt;
20 npireg_t word;
21 };
22
23 typedef union npfloat npfreg_t;
24
25 union np_dcb {
26 npireg_t byword;
27 struct { volatile unsigned short s0, s1; } byshort;
28 struct { volatile unsigned char b0, b1, b2, b3; } bybytes;
29 };
30
31 struct newport_rexregs {
32 npireg_t drawmode1; /* GL extra mode bits */
33
34 #define DM1_PLANES 0x00000007
35 #define DM1_NOPLANES 0x00000000
36 #define DM1_RGBPLANES 0x00000001
37 #define DM1_RGBAPLANES 0x00000002
38 #define DM1_OLAYPLANES 0x00000004
39 #define DM1_PUPPLANES 0x00000005
40 #define DM1_CIDPLANES 0x00000006
41
42 #define NPORT_DMODE1_DDMASK 0x00000018
43 #define NPORT_DMODE1_DD4 0x00000000
44 #define NPORT_DMODE1_DD8 0x00000008
45 #define NPORT_DMODE1_DD12 0x00000010
46 #define NPORT_DMODE1_DD24 0x00000018
47 #define NPORT_DMODE1_DSRC 0x00000020
48 #define NPORT_DMODE1_YFLIP 0x00000040
49 #define NPORT_DMODE1_RWPCKD 0x00000080
50 #define NPORT_DMODE1_HDMASK 0x00000300
51 #define NPORT_DMODE1_HD4 0x00000000
52 #define NPORT_DMODE1_HD8 0x00000100
53 #define NPORT_DMODE1_HD12 0x00000200
54 #define NPORT_DMODE1_HD32 0x00000300
55 #define NPORT_DMODE1_RWDBL 0x00000400
56 #define NPORT_DMODE1_ESWAP 0x00000800 /* Endian swap */
57 #define NPORT_DMODE1_CCMASK 0x00007000
58 #define NPORT_DMODE1_CCLT 0x00001000
59 #define NPORT_DMODE1_CCEQ 0x00002000
60 #define NPORT_DMODE1_CCGT 0x00004000
61 #define NPORT_DMODE1_RGBMD 0x00008000
62 #define NPORT_DMODE1_DENAB 0x00010000 /* Dither enable */
63 #define NPORT_DMODE1_FCLR 0x00020000 /* Fast clear */
64 #define NPORT_DMODE1_BENAB 0x00040000 /* Blend enable */
65 #define NPORT_DMODE1_SFMASK 0x00380000
66 #define NPORT_DMODE1_SF0 0x00000000
67 #define NPORT_DMODE1_SF1 0x00080000
68 #define NPORT_DMODE1_SFDC 0x00100000
69 #define NPORT_DMODE1_SFMDC 0x00180000
70 #define NPORT_DMODE1_SFSA 0x00200000
71 #define NPORT_DMODE1_SFMSA 0x00280000
72 #define NPORT_DMODE1_DFMASK 0x01c00000
73 #define NPORT_DMODE1_DF0 0x00000000
74 #define NPORT_DMODE1_DF1 0x00400000
75 #define NPORT_DMODE1_DFSC 0x00800000
76 #define NPORT_DMODE1_DFMSC 0x00c00000
77 #define NPORT_DMODE1_DFSA 0x01000000
78 #define NPORT_DMODE1_DFMSA 0x01400000
79 #define NPORT_DMODE1_BBENAB 0x02000000 /* Back blend enable */
80 #define NPORT_DMODE1_PFENAB 0x04000000 /* Pre-fetch enable */
81 #define NPORT_DMODE1_ABLEND 0x08000000 /* Alpha blend */
82 #define NPORT_DMODE1_LOMASK 0xf0000000
83 #define NPORT_DMODE1_LOZERO 0x00000000
84 #define NPORT_DMODE1_LOAND 0x10000000
85 #define NPORT_DMODE1_LOANDR 0x20000000
86 #define NPORT_DMODE1_LOSRC 0x30000000
87 #define NPORT_DMODE1_LOANDI 0x40000000
88 #define NPORT_DMODE1_LODST 0x50000000
89 #define NPORT_DMODE1_LOXOR 0x60000000
90 #define NPORT_DMODE1_LOOR 0x70000000
91 #define NPORT_DMODE1_LONOR 0x80000000
92 #define NPORT_DMODE1_LOXNOR 0x90000000
93 #define NPORT_DMODE1_LONDST 0xa0000000
94 #define NPORT_DMODE1_LOORR 0xb0000000
95 #define NPORT_DMODE1_LONSRC 0xc0000000
96 #define NPORT_DMODE1_LOORI 0xd0000000
97 #define NPORT_DMODE1_LONAND 0xe0000000
98 #define NPORT_DMODE1_LOONE 0xf0000000
99
100 npireg_t drawmode0; /* REX command register */
101
102 /* These bits define the graphics opcode being performed. */
103 #define NPORT_DMODE0_OPMASK 0x00000003 /* Opcode mask */
104 #define NPORT_DMODE0_NOP 0x00000000 /* No operation */
105 #define NPORT_DMODE0_RD 0x00000001 /* Read operation */
106 #define NPORT_DMODE0_DRAW 0x00000002 /* Draw operation */
107 #define NPORT_DMODE0_S2S 0x00000003 /* Screen to screen operation */
108
109 /* The following decide what addressing mode(s) are to be used */
110 #define NPORT_DMODE0_AMMASK 0x0000001c /* Address mode mask */
111 #define NPORT_DMODE0_SPAN 0x00000000 /* Spanning address mode */
112 #define NPORT_DMODE0_BLOCK 0x00000004 /* Block address mode */
113 #define NPORT_DMODE0_ILINE 0x00000008 /* Iline address mode */
114 #define NPORT_DMODE0_FLINE 0x0000000c /* Fline address mode */
115 #define NPORT_DMODE0_ALINE 0x00000010 /* Aline address mode */
116 #define NPORT_DMODE0_TLINE 0x00000014 /* Tline address mode */
117 #define NPORT_DMODE0_BLINE 0x00000018 /* Bline address mode */
118
119 /* And now some misc. operation control bits. */
120 #define NPORT_DMODE0_DOSETUP 0x00000020
121 #define NPORT_DMODE0_CHOST 0x00000040
122 #define NPORT_DMODE0_AHOST 0x00000080
123 #define NPORT_DMODE0_STOPX 0x00000100
124 #define NPORT_DMODE0_STOPY 0x00000200
125 #define NPORT_DMODE0_SK1ST 0x00000400
126 #define NPORT_DMODE0_SKLST 0x00000800
127 #define NPORT_DMODE0_ZPENAB 0x00001000
128 #define NPORT_DMODE0_LISPENAB 0x00002000
129 #define NPORT_DMODE0_LISLST 0x00004000
130 #define NPORT_DMODE0_L32 0x00008000
131 #define NPORT_DMODE0_ZOPQ 0x00010000
132 #define NPORT_DMODE0_LISOPQ 0x00020000
133 #define NPORT_DMODE0_SHADE 0x00040000
134 #define NPORT_DMODE0_LRONLY 0x00080000
135 #define NPORT_DMODE0_XYOFF 0x00100000
136 #define NPORT_DMODE0_CLAMP 0x00200000
137 #define NPORT_DMODE0_ENDPF 0x00400000
138 #define NPORT_DMODE0_YSTR 0x00800000
139
140 npireg_t lsmode; /* Mode for line stipple ops */
141 npireg_t lspattern; /* Pattern for line stipple ops */
142 npireg_t lspatsave; /* Backup save pattern */
143 npireg_t zpattern; /* Pixel zpattern */
144 npireg_t colorback; /* Background color */
145 npireg_t colorvram; /* Clear color for fast vram */
146 npireg_t alpharef; /* Reference value for afunctions */
147 unsigned int pad0;
148 npireg_t smask0x; /* Window GL relative screen mask 0 */
149 npireg_t smask0y; /* Window GL relative screen mask 0 */
150 npireg_t _setup;
151 npireg_t _stepz;
152 npireg_t _lsrestore;
153 npireg_t _lssave;
154
155 unsigned int _pad1[0x30];
156
157 /* Iterators, full state for context switch */
158 npfreg_t _xstart; /* X-start point (current) */
159 npfreg_t _ystart; /* Y-start point (current) */
160 npfreg_t _xend; /* x-end point */
161 npfreg_t _yend; /* y-end point */
162 npireg_t xsave; /* copy of xstart integer value for BLOCk addressing MODE */
163 npireg_t xymove; /* x.y offset from xstart, ystart for relative operations */
164 npfreg_t bresd;
165 npfreg_t bress1;
166 npireg_t bresoctinc1;
167 volatile int bresrndinc2;
168 npireg_t brese1;
169 npireg_t bress2;
170 npireg_t aweight0;
171 npireg_t aweight1;
172 npfreg_t xstartf;
173 npfreg_t ystartf;
174 npfreg_t xendf;
175 npfreg_t yendf;
176 npireg_t xstarti;
177 npfreg_t xendf1;
178 npireg_t xystarti;
179 npireg_t xyendi;
180 npireg_t xstartendi;
181
182 unsigned int _unused2[0x29];
183
184 npfreg_t colorred;
185 npfreg_t coloralpha;
186 npfreg_t colorgrn;
187 npfreg_t colorblue;
188 npfreg_t slopered;
189 npfreg_t slopealpha;
190 npfreg_t slopegrn;
191 npfreg_t slopeblue;
192 npireg_t wrmask;
193 npireg_t colori;
194 npfreg_t colorx;
195 npfreg_t slopered1;
196 npireg_t hostrw0;
197 npireg_t hostrw1;
198 npireg_t dcbmode;
199 #define NPORT_DMODE_WMASK 0x00000003
200 #define NPORT_DMODE_W4 0x00000000
201 #define NPORT_DMODE_W1 0x00000001
202 #define NPORT_DMODE_W2 0x00000002
203 #define NPORT_DMODE_W3 0x00000003
204 #define NPORT_DMODE_EDPACK 0x00000004
205 #define NPORT_DMODE_ECINC 0x00000008
206 #define NPORT_DMODE_CMASK 0x00000070
207 #define NPORT_DMODE_AMASK 0x00000780
208 #define NPORT_DMODE_AVC2 0x00000000
209 #define NPORT_DMODE_ACMALL 0x00000080
210 #define NPORT_DMODE_ACM0 0x00000100
211 #define NPORT_DMODE_ACM1 0x00000180
212 #define NPORT_DMODE_AXMALL 0x00000200
213 #define NPORT_DMODE_AXM0 0x00000280
214 #define NPORT_DMODE_AXM1 0x00000300
215 #define NPORT_DMODE_ABT 0x00000380
216 #define NPORT_DMODE_AVCC1 0x00000400
217 #define NPORT_DMODE_AVAB1 0x00000480
218 #define NPORT_DMODE_ALG3V0 0x00000500
219 #define NPORT_DMODE_A1562 0x00000580
220 #define NPORT_DMODE_ESACK 0x00000800
221 #define NPORT_DMODE_EASACK 0x00001000
222 #define NPORT_DMODE_CWMASK 0x0003e000
223 #define NPORT_DMODE_CHMASK 0x007c0000
224 #define NPORT_DMODE_CSMASK 0x0f800000
225 #define NPORT_DMODE_SENDIAN 0x10000000
226
227 unsigned int _unused3;
228
229 union np_dcb dcbdata0;
230 npireg_t dcbdata1;
231 };
232
233 struct newport_cregs {
234 npireg_t smask1x;
235 npireg_t smask1y;
236 npireg_t smask2x;
237 npireg_t smask2y;
238 npireg_t smask3x;
239 npireg_t smask3y;
240 npireg_t smask4x;
241 npireg_t smask4y;
242 npireg_t topscan;
243 npireg_t xywin;
244 npireg_t clipmode;
245 #define NPORT_CMODE_SM0 0x00000001
246 #define NPORT_CMODE_SM1 0x00000002
247 #define NPORT_CMODE_SM2 0x00000004
248 #define NPORT_CMODE_SM3 0x00000008
249 #define NPORT_CMODE_SM4 0x00000010
250 #define NPORT_CMODE_CMSK 0x00001e00
251
252 unsigned int _unused0;
253 unsigned int config;
254 #define NPORT_CFG_G32MD 0x00000001
255 #define NPORT_CFG_BWIDTH 0x00000002
256 #define NPORT_CFG_ERCVR 0x00000004
257 #define NPORT_CFG_BDMSK 0x00000078
258 #define NPORT_CFG_BFAINT 0x00000080
259 #define NPORT_CFG_GDMSK 0x00001f80
260 #define NPORT_CFG_GD0 0x00000100
261 #define NPORT_CFG_GD1 0x00000200
262 #define NPORT_CFG_GD2 0x00000400
263 #define NPORT_CFG_GD3 0x00000800
264 #define NPORT_CFG_GD4 0x00001000
265 #define NPORT_CFG_GFAINT 0x00002000
266 #define NPORT_CFG_TOMSK 0x0001c000
267 #define NPORT_CFG_VRMSK 0x000e0000
268 #define NPORT_CFG_FBTYP 0x00100000
269
270 npireg_t _unused1;
271 npireg_t status;
272 #define NPORT_STAT_VERS 0x00000007
273 #define NPORT_STAT_GBUSY 0x00000008
274 #define NPORT_STAT_BBUSY 0x00000010
275 #define NPORT_STAT_VRINT 0x00000020
276 #define NPORT_STAT_VIDINT 0x00000040
277 #define NPORT_STAT_GLMSK 0x00001f80
278 #define NPORT_STAT_BLMSK 0x0007e000
279 #define NPORT_STAT_BFIRQ 0x00080000
280 #define NPORT_STAT_GFIRQ 0x00100000
281
282 npireg_t ustatus;
283 npireg_t dcbreset;
284 };
285
286 struct newport_regs {
287 struct newport_rexregs set;
288 unsigned int _unused0[0x16e];
289 struct newport_rexregs go;
290 unsigned int _unused1[0x22e];
291 struct newport_cregs cset;
292 unsigned int _unused2[0x1ef];
293 struct newport_cregs cgo;
294 };
295
296 typedef struct {
297 unsigned int drawmode1;
298 unsigned int drawmode0;
299 unsigned int lsmode;
300 unsigned int lspattern;
301 unsigned int lspatsave;
302 unsigned int zpattern;
303 unsigned int colorback;
304 unsigned int colorvram;
305 unsigned int alpharef;
306 unsigned int smask0x;
307 unsigned int smask0y;
308 unsigned int _xstart;
309 unsigned int _ystart;
310 unsigned int _xend;
311 unsigned int _yend;
312 unsigned int xsave;
313 unsigned int xymove;
314 unsigned int bresd;
315 unsigned int bress1;
316 unsigned int bresoctinc1;
317 unsigned int bresrndinc2;
318 unsigned int brese1;
319 unsigned int bress2;
320
321 unsigned int aweight0;
322 unsigned int aweight1;
323 unsigned int colorred;
324 unsigned int coloralpha;
325 unsigned int colorgrn;
326 unsigned int colorblue;
327 unsigned int slopered;
328 unsigned int slopealpha;
329 unsigned int slopegrn;
330 unsigned int slopeblue;
331 unsigned int wrmask;
332 unsigned int hostrw0;
333 unsigned int hostrw1;
334
335 /* configregs */
336
337 unsigned int smask1x;
338 unsigned int smask1y;
339 unsigned int smask2x;
340 unsigned int smask2y;
341 unsigned int smask3x;
342 unsigned int smask3y;
343 unsigned int smask4x;
344 unsigned int smask4y;
345 unsigned int topscan;
346 unsigned int xywin;
347 unsigned int clipmode;
348 unsigned int config;
349
350 /* dcb registers */
351 unsigned int dcbmode;
352 unsigned int dcbdata0;
353 unsigned int dcbdata1;
354 } newport_ctx;
355
356 /* Reading/writing VC2 registers. */
357 #define VC2_REGADDR_INDEX 0x00000000
358 #define VC2_REGADDR_IREG 0x00000010
359 #define VC2_REGADDR_RAM 0x00000030
360 #define VC2_PROTOCOL (NPORT_DMODE_EASACK | 0x00800000 | 0x00040000)
361
362 #define VC2_VLINET_ADDR 0x000
363 #define VC2_VFRAMET_ADDR 0x400
364 #define VC2_CGLYPH_ADDR 0x500
365
366 /* Now the Indexed registers of the VC2. */
367 #define VC2_IREG_VENTRY 0x00
368 #define VC2_IREG_CENTRY 0x01
369 #define VC2_IREG_CURSX 0x02
370 #define VC2_IREG_CURSY 0x03
371 #define VC2_IREG_CCURSX 0x04
372 #define VC2_IREG_DENTRY 0x05
373 #define VC2_IREG_SLEN 0x06
374 #define VC2_IREG_RADDR 0x07
375 #define VC2_IREG_VFPTR 0x08
376 #define VC2_IREG_VLSPTR 0x09
377 #define VC2_IREG_VLIR 0x0a
378 #define VC2_IREG_VLCTR 0x0b
379 #define VC2_IREG_CTPTR 0x0c
380 #define VC2_IREG_WCURSY 0x0d
381 #define VC2_IREG_DFPTR 0x0e
382 #define VC2_IREG_DLTPTR 0x0f
383 #define VC2_IREG_CONTROL 0x10
384 #define VC2_IREG_CONFIG 0x20
385
newport_vc2_set(struct newport_regs * regs,unsigned char vc2ireg,unsigned short val)386 static inline void newport_vc2_set(struct newport_regs *regs,
387 unsigned char vc2ireg,
388 unsigned short val)
389 {
390 regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX | NPORT_DMODE_W3 |
391 NPORT_DMODE_ECINC | VC2_PROTOCOL);
392 regs->set.dcbdata0.byword = (vc2ireg << 24) | (val << 8);
393 }
394
newport_vc2_get(struct newport_regs * regs,unsigned char vc2ireg)395 static inline unsigned short newport_vc2_get(struct newport_regs *regs,
396 unsigned char vc2ireg)
397 {
398 regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX | NPORT_DMODE_W1 |
399 NPORT_DMODE_ECINC | VC2_PROTOCOL);
400 regs->set.dcbdata0.bybytes.b3 = vc2ireg;
401 regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_IREG | NPORT_DMODE_W2 |
402 NPORT_DMODE_ECINC | VC2_PROTOCOL);
403 return regs->set.dcbdata0.byshort.s1;
404 }
405
406 /* VC2 Control register bits */
407 #define VC2_CTRL_EVIRQ 0x0001
408 #define VC2_CTRL_EDISP 0x0002
409 #define VC2_CTRL_EVIDEO 0x0004
410 #define VC2_CTRL_EDIDS 0x0008
411 #define VC2_CTRL_ECURS 0x0010
412 #define VC2_CTRL_EGSYNC 0x0020
413 #define VC2_CTRL_EILACE 0x0040
414 #define VC2_CTRL_ECDISP 0x0080
415 #define VC2_CTRL_ECCURS 0x0100
416 #define VC2_CTRL_ECG64 0x0200
417 #define VC2_CTRL_GLSEL 0x0400
418
419 /* Controlling the color map on NEWPORT. */
420 #define NCMAP_REGADDR_AREG 0x00000000
421 #define NCMAP_REGADDR_ALO 0x00000000
422 #define NCMAP_REGADDR_AHI 0x00000010
423 #define NCMAP_REGADDR_PBUF 0x00000020
424 #define NCMAP_REGADDR_CREG 0x00000030
425 #define NCMAP_REGADDR_SREG 0x00000040
426 #define NCMAP_REGADDR_RREG 0x00000060
427 #define NCMAP_PROTOCOL (0x00008000 | 0x00040000 | 0x00800000)
428
newport_cmap_setaddr(struct newport_regs * regs,unsigned short addr)429 static __inline__ void newport_cmap_setaddr(struct newport_regs *regs,
430 unsigned short addr)
431 {
432 regs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL |
433 NPORT_DMODE_SENDIAN | NPORT_DMODE_ECINC |
434 NCMAP_REGADDR_AREG | NPORT_DMODE_W2);
435 regs->set.dcbdata0.byshort.s1 = addr;
436 regs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL |
437 NCMAP_REGADDR_PBUF | NPORT_DMODE_W3);
438 }
439
newport_cmap_setrgb(struct newport_regs * regs,unsigned char red,unsigned char green,unsigned char blue)440 static __inline__ void newport_cmap_setrgb(struct newport_regs *regs,
441 unsigned char red,
442 unsigned char green,
443 unsigned char blue)
444 {
445 regs->set.dcbdata0.byword =
446 (red << 24) |
447 (green << 16) |
448 (blue << 8);
449 }
450
451 /* Miscellaneous NEWPORT routines. */
452 #define BUSY_TIMEOUT 100000
newport_wait(struct newport_regs * regs)453 static __inline__ int newport_wait(struct newport_regs *regs)
454 {
455 int t = BUSY_TIMEOUT;
456
457 while (--t)
458 if (!(regs->cset.status & NPORT_STAT_GBUSY))
459 break;
460 return !t;
461 }
462
newport_bfwait(struct newport_regs * regs)463 static __inline__ int newport_bfwait(struct newport_regs *regs)
464 {
465 int t = BUSY_TIMEOUT;
466
467 while (--t)
468 if(!(regs->cset.status & NPORT_STAT_BBUSY))
469 break;
470 return !t;
471 }
472
473 /*
474 * DCBMODE register defines:
475 */
476
477 /* Width of the data being transferred for each DCBDATA[01] word */
478 #define DCB_DATAWIDTH_4 0x0
479 #define DCB_DATAWIDTH_1 0x1
480 #define DCB_DATAWIDTH_2 0x2
481 #define DCB_DATAWIDTH_3 0x3
482
483 /* If set, all of DCBDATA will be moved, otherwise only DATAWIDTH bytes */
484 #define DCB_ENDATAPACK (1 << 2)
485
486 /* Enables DCBCRS auto increment after each DCB transfer */
487 #define DCB_ENCRSINC (1 << 3)
488
489 /* shift for accessing the control register select address (DBCCRS, 3 bits) */
490 #define DCB_CRS_SHIFT 4
491
492 /* DCBADDR (4 bits): display bus slave address */
493 #define DCB_ADDR_SHIFT 7
494 #define DCB_VC2 (0 << DCB_ADDR_SHIFT)
495 #define DCB_CMAP_ALL (1 << DCB_ADDR_SHIFT)
496 #define DCB_CMAP0 (2 << DCB_ADDR_SHIFT)
497 #define DCB_CMAP1 (3 << DCB_ADDR_SHIFT)
498 #define DCB_XMAP_ALL (4 << DCB_ADDR_SHIFT)
499 #define DCB_XMAP0 (5 << DCB_ADDR_SHIFT)
500 #define DCB_XMAP1 (6 << DCB_ADDR_SHIFT)
501 #define DCB_BT445 (7 << DCB_ADDR_SHIFT)
502 #define DCB_VCC1 (8 << DCB_ADDR_SHIFT)
503 #define DCB_VAB1 (9 << DCB_ADDR_SHIFT)
504 #define DCB_LG3_BDVERS0 (10 << DCB_ADDR_SHIFT)
505 #define DCB_LG3_ICS1562 (11 << DCB_ADDR_SHIFT)
506 #define DCB_RESERVED (15 << DCB_ADDR_SHIFT)
507
508 /* DCB protocol ack types */
509 #define DCB_ENSYNCACK (1 << 11)
510 #define DCB_ENASYNCACK (1 << 12)
511
512 #define DCB_CSWIDTH_SHIFT 13
513 #define DCB_CSHOLD_SHIFT 18
514 #define DCB_CSSETUP_SHIFT 23
515
516 /* XMAP9 specific defines */
517 /* XMAP9 -- registers as seen on the DCBMODE register*/
518 # define XM9_CRS_CONFIG (0 << DCB_CRS_SHIFT)
519 # define XM9_PUPMODE (1 << 0)
520 # define XM9_ODD_PIXEL (1 << 1)
521 # define XM9_8_BITPLANES (1 << 2)
522 # define XM9_SLOW_DCB (1 << 3)
523 # define XM9_VIDEO_RGBMAP_MASK (3 << 4)
524 # define XM9_EXPRESS_VIDEO (1 << 6)
525 # define XM9_VIDEO_OPTION (1 << 7)
526 # define XM9_CRS_REVISION (1 << DCB_CRS_SHIFT)
527 # define XM9_CRS_FIFO_AVAIL (2 << DCB_CRS_SHIFT)
528 # define XM9_FIFO_0_AVAIL 0
529 # define XM9_FIFO_1_AVAIL 1
530 # define XM9_FIFO_2_AVAIL 3
531 # define XM9_FIFO_3_AVAIL 2
532 # define XM9_FIFO_FULL XM9_FIFO_0_AVAIL
533 # define XM9_FIFO_EMPTY XM9_FIFO_3_AVAIL
534 # define XM9_CRS_CURS_CMAP_MSB (3 << DCB_CRS_SHIFT)
535 # define XM9_CRS_PUP_CMAP_MSB (4 << DCB_CRS_SHIFT)
536 # define XM9_CRS_MODE_REG_DATA (5 << DCB_CRS_SHIFT)
537 # define XM9_CRS_MODE_REG_INDEX (7 << DCB_CRS_SHIFT)
538
539
540 #define DCB_CYCLES(setup,hold,width) \
541 ((hold << DCB_CSHOLD_SHIFT) | \
542 (setup << DCB_CSSETUP_SHIFT)| \
543 (width << DCB_CSWIDTH_SHIFT))
544
545 #define W_DCB_XMAP9_PROTOCOL DCB_CYCLES (2, 1, 0)
546 #define WSLOW_DCB_XMAP9_PROTOCOL DCB_CYCLES (5, 5, 0)
547 #define WAYSLOW_DCB_XMAP9_PROTOCOL DCB_CYCLES (12, 12, 0)
548 #define R_DCB_XMAP9_PROTOCOL DCB_CYCLES (2, 1, 3)
549
550 static __inline__ void
xmap9FIFOWait(struct newport_regs * rex)551 xmap9FIFOWait (struct newport_regs *rex)
552 {
553 rex->set.dcbmode = DCB_XMAP0 | XM9_CRS_FIFO_AVAIL |
554 DCB_DATAWIDTH_1 | R_DCB_XMAP9_PROTOCOL;
555 newport_bfwait (rex);
556
557 while ((rex->set.dcbdata0.bybytes.b3 & 3) != XM9_FIFO_EMPTY)
558 ;
559 }
560
561 static __inline__ void
xmap9SetModeReg(struct newport_regs * rex,unsigned int modereg,unsigned int data24,int cfreq)562 xmap9SetModeReg (struct newport_regs *rex, unsigned int modereg, unsigned int data24, int cfreq)
563 {
564 if (cfreq > 119)
565 rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA |
566 DCB_DATAWIDTH_4 | W_DCB_XMAP9_PROTOCOL;
567 else if (cfreq > 59)
568 rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA |
569 DCB_DATAWIDTH_4 | WSLOW_DCB_XMAP9_PROTOCOL;
570 else
571 rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA |
572 DCB_DATAWIDTH_4 | WAYSLOW_DCB_XMAP9_PROTOCOL;
573 rex->set.dcbdata0.byword = ((modereg) << 24) | (data24 & 0xffffff);
574 }
575
576 #define BT445_PROTOCOL DCB_CYCLES(1,1,3)
577
578 #define BT445_CSR_ADDR_REG (0 << DCB_CRS_SHIFT)
579 #define BT445_CSR_REVISION (2 << DCB_CRS_SHIFT)
580
581 #define BT445_REVISION_REG 0x01
582
583 #endif /* !(_SGI_NEWPORT_H) */
584
585