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
584