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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
15typedef volatile unsigned int npireg_t;
16
17union npfloat {
18 volatile float flt;
19 npireg_t word;
20};
21
22typedef union npfloat npfreg_t;
23
24union 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
30struct 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
232struct 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
285struct 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
295typedef 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
385static 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
394static 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
428static __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
439static __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
452static __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
462static __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
549static __inline__ void
550xmap9FIFOWait (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
560static __inline__ void
561xmap9SetModeReg (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
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
16typedef volatile unsigned int npireg_t;
17
18union npfloat {
19 volatile float flt;
20 npireg_t word;
21};
22
23typedef union npfloat npfreg_t;
24
25union 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
31struct 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
233struct 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
286struct 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
296typedef 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
386static 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
395static 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
429static __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
440static __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
453static __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
463static __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
550static __inline__ void
551xmap9FIFOWait (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
561static __inline__ void
562xmap9SetModeReg (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