1 /***************************************************************************\
2|*                                                                           *|
3|*       Copyright 1993-1999 NVIDIA, Corporation.  All rights reserved.      *|
4|*                                                                           *|
5|*     NOTICE TO USER:   The source code  is copyrighted under  U.S. and     *|
6|*     international laws.  Users and possessors of this source code are     *|
7|*     hereby granted a nonexclusive,  royalty-free copyright license to     *|
8|*     use this code in individual and commercial software.                  *|
9|*                                                                           *|
10|*     Any use of this source code must include,  in the user documenta-     *|
11|*     tion and  internal comments to the code,  notices to the end user     *|
12|*     as follows:                                                           *|
13|*                                                                           *|
14|*       Copyright 1993-1999 NVIDIA, Corporation.  All rights reserved.      *|
15|*                                                                           *|
16|*     NVIDIA, CORPORATION MAKES NO REPRESENTATION ABOUT THE SUITABILITY     *|
17|*     OF  THIS SOURCE  CODE  FOR ANY PURPOSE.  IT IS  PROVIDED  "AS IS"     *|
18|*     WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.  NVIDIA, CORPOR-     *|
19|*     ATION DISCLAIMS ALL WARRANTIES  WITH REGARD  TO THIS SOURCE CODE,     *|
20|*     INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGE-     *|
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25|*     OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,  ARISING OUT OF     *|
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27|*                                                                           *|
28|*     U.S. Government  End  Users.   This source code  is a "commercial     *|
29|*     item,"  as that  term is  defined at  48 C.F.R. 2.101 (OCT 1995),     *|
30|*     consisting  of "commercial  computer  software"  and  "commercial     *|
31|*     computer  software  documentation,"  as such  terms  are  used in     *|
32|*     48 C.F.R. 12.212 (SEPT 1995)  and is provided to the U.S. Govern-     *|
33|*     ment only as  a commercial end item.   Consistent with  48 C.F.R.     *|
34|*     12.212 and  48 C.F.R. 227.7202-1 through  227.7202-4 (JUNE 1995),     *|
35|*     all U.S. Government End Users  acquire the source code  with only     *|
36|*     those rights set forth herein.                                        *|
37|*                                                                           *|
38 \***************************************************************************/
39
40/*
41 * GPL licensing note -- nVidia is allowing a liberal interpretation of
42 * the documentation restriction above, to merely say that this nVidia's
43 * copyright and disclaimer should be included with all code derived
44 * from this source.  -- Jeff Garzik <jgarzik@pobox.com>, 01/Nov/99
45 */
46
47/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/riva_hw.c,v 1.33 2002/08/05 20:47:06 mvojkovi Exp $ */
48
49#include <linux/kernel.h>
50#include <linux/pci.h>
51#include <linux/pci_ids.h>
52#include "riva_hw.h"
53#include "riva_tbl.h"
54#include "nv_type.h"
55
56/*
57 * This file is an OS-agnostic file used to make RIVA 128 and RIVA TNT
58 * operate identically (except TNT has more memory and better 3D quality.
59 */
60static int nv3Busy
61(
62    RIVA_HW_INST *chip
63)
64{
65    return ((NV_RD32(&chip->Rop->FifoFree, 0) < chip->FifoEmptyCount) ||
66	    NV_RD32(&chip->PGRAPH[0x000006B0/4], 0) & 0x01);
67}
68static int nv4Busy
69(
70    RIVA_HW_INST *chip
71)
72{
73    return ((NV_RD32(&chip->Rop->FifoFree, 0) < chip->FifoEmptyCount) ||
74	    NV_RD32(&chip->PGRAPH[0x00000700/4], 0) & 0x01);
75}
76static int nv10Busy
77(
78    RIVA_HW_INST *chip
79)
80{
81    return ((NV_RD32(&chip->Rop->FifoFree, 0) < chip->FifoEmptyCount) ||
82	    NV_RD32(&chip->PGRAPH[0x00000700/4], 0) & 0x01);
83}
84
85static void vgaLockUnlock
86(
87    RIVA_HW_INST *chip,
88    int           Lock
89)
90{
91    U008 cr11;
92    VGA_WR08(chip->PCIO, 0x3D4, 0x11);
93    cr11 = VGA_RD08(chip->PCIO, 0x3D5);
94    if(Lock) cr11 |= 0x80;
95    else cr11 &= ~0x80;
96    VGA_WR08(chip->PCIO, 0x3D5, cr11);
97}
98static void nv3LockUnlock
99(
100    RIVA_HW_INST *chip,
101    int           Lock
102)
103{
104    VGA_WR08(chip->PVIO, 0x3C4, 0x06);
105    VGA_WR08(chip->PVIO, 0x3C5, Lock ? 0x99 : 0x57);
106    vgaLockUnlock(chip, Lock);
107}
108static void nv4LockUnlock
109(
110    RIVA_HW_INST *chip,
111    int           Lock
112)
113{
114    VGA_WR08(chip->PCIO, 0x3D4, 0x1F);
115    VGA_WR08(chip->PCIO, 0x3D5, Lock ? 0x99 : 0x57);
116    vgaLockUnlock(chip, Lock);
117}
118
119static int ShowHideCursor
120(
121    RIVA_HW_INST *chip,
122    int           ShowHide
123)
124{
125    int cursor;
126    cursor                      =  chip->CurrentState->cursor1;
127    chip->CurrentState->cursor1 = (chip->CurrentState->cursor1 & 0xFE) |
128                                  (ShowHide & 0x01);
129    VGA_WR08(chip->PCIO, 0x3D4, 0x31);
130    VGA_WR08(chip->PCIO, 0x3D5, chip->CurrentState->cursor1);
131    return (cursor & 0x01);
132}
133
134/****************************************************************************\
135*                                                                            *
136* The video arbitration routines calculate some "magic" numbers.  Fixes      *
137* the snow seen when accessing the framebuffer without it.                   *
138* It just works (I hope).                                                    *
139*                                                                            *
140\****************************************************************************/
141
142#define DEFAULT_GR_LWM 100
143#define DEFAULT_VID_LWM 100
144#define DEFAULT_GR_BURST_SIZE 256
145#define DEFAULT_VID_BURST_SIZE 128
146#define VIDEO		0
147#define GRAPHICS	1
148#define MPORT		2
149#define ENGINE		3
150#define GFIFO_SIZE	320
151#define GFIFO_SIZE_128	256
152#define MFIFO_SIZE	120
153#define VFIFO_SIZE	256
154
155typedef struct {
156  int gdrain_rate;
157  int vdrain_rate;
158  int mdrain_rate;
159  int gburst_size;
160  int vburst_size;
161  char vid_en;
162  char gr_en;
163  int wcmocc, wcgocc, wcvocc, wcvlwm, wcglwm;
164  int by_gfacc;
165  char vid_only_once;
166  char gr_only_once;
167  char first_vacc;
168  char first_gacc;
169  char first_macc;
170  int vocc;
171  int gocc;
172  int mocc;
173  char cur;
174  char engine_en;
175  char converged;
176  int priority;
177} nv3_arb_info;
178typedef struct {
179  int graphics_lwm;
180  int video_lwm;
181  int graphics_burst_size;
182  int video_burst_size;
183  int graphics_hi_priority;
184  int media_hi_priority;
185  int rtl_values;
186  int valid;
187} nv3_fifo_info;
188typedef struct {
189  char pix_bpp;
190  char enable_video;
191  char gr_during_vid;
192  char enable_mp;
193  int memory_width;
194  int video_scale;
195  int pclk_khz;
196  int mclk_khz;
197  int mem_page_miss;
198  int mem_latency;
199  char mem_aligned;
200} nv3_sim_state;
201typedef struct {
202  int graphics_lwm;
203  int video_lwm;
204  int graphics_burst_size;
205  int video_burst_size;
206  int valid;
207} nv4_fifo_info;
208typedef struct {
209  int pclk_khz;
210  int mclk_khz;
211  int nvclk_khz;
212  char mem_page_miss;
213  char mem_latency;
214  int memory_width;
215  char enable_video;
216  char gr_during_vid;
217  char pix_bpp;
218  char mem_aligned;
219  char enable_mp;
220} nv4_sim_state;
221typedef struct {
222  int graphics_lwm;
223  int video_lwm;
224  int graphics_burst_size;
225  int video_burst_size;
226  int valid;
227} nv10_fifo_info;
228typedef struct {
229  int pclk_khz;
230  int mclk_khz;
231  int nvclk_khz;
232  char mem_page_miss;
233  char mem_latency;
234  u32 memory_type;
235  int memory_width;
236  char enable_video;
237  char gr_during_vid;
238  char pix_bpp;
239  char mem_aligned;
240  char enable_mp;
241} nv10_sim_state;
242static int nv3_iterate(nv3_fifo_info *res_info, nv3_sim_state * state, nv3_arb_info *ainfo)
243{
244    int iter = 0;
245    int tmp;
246    int vfsize, mfsize, gfsize;
247    int mburst_size = 32;
248    int mmisses, gmisses, vmisses;
249    int misses;
250    int vlwm, glwm;
251    int last, next, cur;
252    int max_gfsize ;
253    long ns;
254
255    vlwm = 0;
256    glwm = 0;
257    vfsize = 0;
258    gfsize = 0;
259    cur = ainfo->cur;
260    mmisses = 2;
261    gmisses = 2;
262    vmisses = 2;
263    if (ainfo->gburst_size == 128) max_gfsize = GFIFO_SIZE_128;
264    else  max_gfsize = GFIFO_SIZE;
265    max_gfsize = GFIFO_SIZE;
266    while (1)
267    {
268        if (ainfo->vid_en)
269        {
270            if (ainfo->wcvocc > ainfo->vocc) ainfo->wcvocc = ainfo->vocc;
271            if (ainfo->wcvlwm > vlwm) ainfo->wcvlwm = vlwm ;
272            ns = 1000000 * ainfo->vburst_size/(state->memory_width/8)/state->mclk_khz;
273            vfsize = ns * ainfo->vdrain_rate / 1000000;
274            vfsize =  ainfo->wcvlwm - ainfo->vburst_size + vfsize;
275        }
276        if (state->enable_mp)
277        {
278            if (ainfo->wcmocc > ainfo->mocc) ainfo->wcmocc = ainfo->mocc;
279        }
280        if (ainfo->gr_en)
281        {
282            if (ainfo->wcglwm > glwm) ainfo->wcglwm = glwm ;
283            if (ainfo->wcgocc > ainfo->gocc) ainfo->wcgocc = ainfo->gocc;
284            ns = 1000000 * (ainfo->gburst_size/(state->memory_width/8))/state->mclk_khz;
285            gfsize = (ns * (long) ainfo->gdrain_rate)/1000000;
286            gfsize = ainfo->wcglwm - ainfo->gburst_size + gfsize;
287        }
288        mfsize = 0;
289        if (!state->gr_during_vid && ainfo->vid_en)
290            if (ainfo->vid_en && (ainfo->vocc < 0) && !ainfo->vid_only_once)
291                next = VIDEO;
292            else if (ainfo->mocc < 0)
293                next = MPORT;
294            else if (ainfo->gocc< ainfo->by_gfacc)
295                next = GRAPHICS;
296            else return (0);
297        else switch (ainfo->priority)
298            {
299                case VIDEO:
300                    if (ainfo->vid_en && ainfo->vocc<0 && !ainfo->vid_only_once)
301                        next = VIDEO;
302                    else if (ainfo->gr_en && ainfo->gocc<0 && !ainfo->gr_only_once)
303                        next = GRAPHICS;
304                    else if (ainfo->mocc<0)
305                        next = MPORT;
306                    else    return (0);
307                    break;
308                case GRAPHICS:
309                    if (ainfo->gr_en && ainfo->gocc<0 && !ainfo->gr_only_once)
310                        next = GRAPHICS;
311                    else if (ainfo->vid_en && ainfo->vocc<0 && !ainfo->vid_only_once)
312                        next = VIDEO;
313                    else if (ainfo->mocc<0)
314                        next = MPORT;
315                    else    return (0);
316                    break;
317                default:
318                    if (ainfo->mocc<0)
319                        next = MPORT;
320                    else if (ainfo->gr_en && ainfo->gocc<0 && !ainfo->gr_only_once)
321                        next = GRAPHICS;
322                    else if (ainfo->vid_en && ainfo->vocc<0 && !ainfo->vid_only_once)
323                        next = VIDEO;
324                    else    return (0);
325                    break;
326            }
327        last = cur;
328        cur = next;
329        iter++;
330        switch (cur)
331        {
332            case VIDEO:
333                if (last==cur)    misses = 0;
334                else if (ainfo->first_vacc)   misses = vmisses;
335                else    misses = 1;
336                ainfo->first_vacc = 0;
337                if (last!=cur)
338                {
339                    ns =  1000000 * (vmisses*state->mem_page_miss + state->mem_latency)/state->mclk_khz;
340                    vlwm = ns * ainfo->vdrain_rate/ 1000000;
341                    vlwm = ainfo->vocc - vlwm;
342                }
343                ns = 1000000*(misses*state->mem_page_miss + ainfo->vburst_size)/(state->memory_width/8)/state->mclk_khz;
344                ainfo->vocc = ainfo->vocc + ainfo->vburst_size - ns*ainfo->vdrain_rate/1000000;
345                ainfo->gocc = ainfo->gocc - ns*ainfo->gdrain_rate/1000000;
346                ainfo->mocc = ainfo->mocc - ns*ainfo->mdrain_rate/1000000;
347                break;
348            case GRAPHICS:
349                if (last==cur)    misses = 0;
350                else if (ainfo->first_gacc)   misses = gmisses;
351                else    misses = 1;
352                ainfo->first_gacc = 0;
353                if (last!=cur)
354                {
355                    ns = 1000000*(gmisses*state->mem_page_miss + state->mem_latency)/state->mclk_khz ;
356                    glwm = ns * ainfo->gdrain_rate/1000000;
357                    glwm = ainfo->gocc - glwm;
358                }
359                ns = 1000000*(misses*state->mem_page_miss + ainfo->gburst_size/(state->memory_width/8))/state->mclk_khz;
360                ainfo->vocc = ainfo->vocc + 0 - ns*ainfo->vdrain_rate/1000000;
361                ainfo->gocc = ainfo->gocc + ainfo->gburst_size - ns*ainfo->gdrain_rate/1000000;
362                ainfo->mocc = ainfo->mocc + 0 - ns*ainfo->mdrain_rate/1000000;
363                break;
364            default:
365                if (last==cur)    misses = 0;
366                else if (ainfo->first_macc)   misses = mmisses;
367                else    misses = 1;
368                ainfo->first_macc = 0;
369                ns = 1000000*(misses*state->mem_page_miss + mburst_size/(state->memory_width/8))/state->mclk_khz;
370                ainfo->vocc = ainfo->vocc + 0 - ns*ainfo->vdrain_rate/1000000;
371                ainfo->gocc = ainfo->gocc + 0 - ns*ainfo->gdrain_rate/1000000;
372                ainfo->mocc = ainfo->mocc + mburst_size - ns*ainfo->mdrain_rate/1000000;
373                break;
374        }
375        if (iter>100)
376        {
377            ainfo->converged = 0;
378            return (1);
379        }
380        ns = 1000000*ainfo->gburst_size/(state->memory_width/8)/state->mclk_khz;
381        tmp = ns * ainfo->gdrain_rate/1000000;
382        if (abs(ainfo->gburst_size) + ((abs(ainfo->wcglwm) + 16 ) & ~0x7) - tmp > max_gfsize)
383        {
384            ainfo->converged = 0;
385            return (1);
386        }
387        ns = 1000000*ainfo->vburst_size/(state->memory_width/8)/state->mclk_khz;
388        tmp = ns * ainfo->vdrain_rate/1000000;
389        if (abs(ainfo->vburst_size) + (abs(ainfo->wcvlwm + 32) & ~0xf)  - tmp> VFIFO_SIZE)
390        {
391            ainfo->converged = 0;
392            return (1);
393        }
394        if (abs(ainfo->gocc) > max_gfsize)
395        {
396            ainfo->converged = 0;
397            return (1);
398        }
399        if (abs(ainfo->vocc) > VFIFO_SIZE)
400        {
401            ainfo->converged = 0;
402            return (1);
403        }
404        if (abs(ainfo->mocc) > MFIFO_SIZE)
405        {
406            ainfo->converged = 0;
407            return (1);
408        }
409        if (abs(vfsize) > VFIFO_SIZE)
410        {
411            ainfo->converged = 0;
412            return (1);
413        }
414        if (abs(gfsize) > max_gfsize)
415        {
416            ainfo->converged = 0;
417            return (1);
418        }
419        if (abs(mfsize) > MFIFO_SIZE)
420        {
421            ainfo->converged = 0;
422            return (1);
423        }
424    }
425}
426static char nv3_arb(nv3_fifo_info * res_info, nv3_sim_state * state,  nv3_arb_info *ainfo)
427{
428    long ens, vns, mns, gns;
429    int mmisses, gmisses, vmisses, eburst_size, mburst_size;
430    int refresh_cycle;
431
432    refresh_cycle = 2*(state->mclk_khz/state->pclk_khz) + 5;
433    mmisses = 2;
434    if (state->mem_aligned) gmisses = 2;
435    else    gmisses = 3;
436    vmisses = 2;
437    eburst_size = state->memory_width * 1;
438    mburst_size = 32;
439    gns = 1000000 * (gmisses*state->mem_page_miss + state->mem_latency)/state->mclk_khz;
440    ainfo->by_gfacc = gns*ainfo->gdrain_rate/1000000;
441    ainfo->wcmocc = 0;
442    ainfo->wcgocc = 0;
443    ainfo->wcvocc = 0;
444    ainfo->wcvlwm = 0;
445    ainfo->wcglwm = 0;
446    ainfo->engine_en = 1;
447    ainfo->converged = 1;
448    if (ainfo->engine_en)
449    {
450        ens =  1000000*(state->mem_page_miss + eburst_size/(state->memory_width/8) +refresh_cycle)/state->mclk_khz;
451        ainfo->mocc = state->enable_mp ? 0-ens*ainfo->mdrain_rate/1000000 : 0;
452        ainfo->vocc = ainfo->vid_en ? 0-ens*ainfo->vdrain_rate/1000000 : 0;
453        ainfo->gocc = ainfo->gr_en ? 0-ens*ainfo->gdrain_rate/1000000 : 0;
454        ainfo->cur = ENGINE;
455        ainfo->first_vacc = 1;
456        ainfo->first_gacc = 1;
457        ainfo->first_macc = 1;
458        nv3_iterate(res_info, state,ainfo);
459    }
460    if (state->enable_mp)
461    {
462        mns = 1000000 * (mmisses*state->mem_page_miss + mburst_size/(state->memory_width/8) + refresh_cycle)/state->mclk_khz;
463        ainfo->mocc = state->enable_mp ? 0 : mburst_size - mns*ainfo->mdrain_rate/1000000;
464        ainfo->vocc = ainfo->vid_en ? 0 : 0- mns*ainfo->vdrain_rate/1000000;
465        ainfo->gocc = ainfo->gr_en ? 0: 0- mns*ainfo->gdrain_rate/1000000;
466        ainfo->cur = MPORT;
467        ainfo->first_vacc = 1;
468        ainfo->first_gacc = 1;
469        ainfo->first_macc = 0;
470        nv3_iterate(res_info, state,ainfo);
471    }
472    if (ainfo->gr_en)
473    {
474        ainfo->first_vacc = 1;
475        ainfo->first_gacc = 0;
476        ainfo->first_macc = 1;
477        gns = 1000000*(gmisses*state->mem_page_miss + ainfo->gburst_size/(state->memory_width/8) + refresh_cycle)/state->mclk_khz;
478        ainfo->gocc = ainfo->gburst_size - gns*ainfo->gdrain_rate/1000000;
479        ainfo->vocc = ainfo->vid_en? 0-gns*ainfo->vdrain_rate/1000000 : 0;
480        ainfo->mocc = state->enable_mp ?  0-gns*ainfo->mdrain_rate/1000000: 0;
481        ainfo->cur = GRAPHICS;
482        nv3_iterate(res_info, state,ainfo);
483    }
484    if (ainfo->vid_en)
485    {
486        ainfo->first_vacc = 0;
487        ainfo->first_gacc = 1;
488        ainfo->first_macc = 1;
489        vns = 1000000*(vmisses*state->mem_page_miss + ainfo->vburst_size/(state->memory_width/8) + refresh_cycle)/state->mclk_khz;
490        ainfo->vocc = ainfo->vburst_size - vns*ainfo->vdrain_rate/1000000;
491        ainfo->gocc = ainfo->gr_en? (0-vns*ainfo->gdrain_rate/1000000) : 0;
492        ainfo->mocc = state->enable_mp? 0-vns*ainfo->mdrain_rate/1000000 :0 ;
493        ainfo->cur = VIDEO;
494        nv3_iterate(res_info, state, ainfo);
495    }
496    if (ainfo->converged)
497    {
498        res_info->graphics_lwm = (int)abs(ainfo->wcglwm) + 16;
499        res_info->video_lwm = (int)abs(ainfo->wcvlwm) + 32;
500        res_info->graphics_burst_size = ainfo->gburst_size;
501        res_info->video_burst_size = ainfo->vburst_size;
502        res_info->graphics_hi_priority = (ainfo->priority == GRAPHICS);
503        res_info->media_hi_priority = (ainfo->priority == MPORT);
504        if (res_info->video_lwm > 160)
505        {
506            res_info->graphics_lwm = 256;
507            res_info->video_lwm = 128;
508            res_info->graphics_burst_size = 64;
509            res_info->video_burst_size = 64;
510            res_info->graphics_hi_priority = 0;
511            res_info->media_hi_priority = 0;
512            ainfo->converged = 0;
513            return (0);
514        }
515        if (res_info->video_lwm > 128)
516        {
517            res_info->video_lwm = 128;
518        }
519        return (1);
520    }
521    else
522    {
523        res_info->graphics_lwm = 256;
524        res_info->video_lwm = 128;
525        res_info->graphics_burst_size = 64;
526        res_info->video_burst_size = 64;
527        res_info->graphics_hi_priority = 0;
528        res_info->media_hi_priority = 0;
529        return (0);
530    }
531}
532static char nv3_get_param(nv3_fifo_info *res_info, nv3_sim_state * state, nv3_arb_info *ainfo)
533{
534    int done, g,v, p;
535
536    done = 0;
537    for (p=0; p < 2; p++)
538    {
539        for (g=128 ; g > 32; g= g>> 1)
540        {
541            for (v=128; v >=32; v = v>> 1)
542            {
543                ainfo->priority = p;
544                ainfo->gburst_size = g;
545                ainfo->vburst_size = v;
546                done = nv3_arb(res_info, state,ainfo);
547                if (done && (g==128))
548                    if ((res_info->graphics_lwm + g) > 256)
549                        done = 0;
550                if (done)
551                    goto Done;
552            }
553        }
554    }
555
556 Done:
557    return done;
558}
559static void nv3CalcArbitration
560(
561    nv3_fifo_info * res_info,
562    nv3_sim_state * state
563)
564{
565    nv3_fifo_info save_info;
566    nv3_arb_info ainfo;
567    char   res_gr, res_vid;
568
569    ainfo.gr_en = 1;
570    ainfo.vid_en = state->enable_video;
571    ainfo.vid_only_once = 0;
572    ainfo.gr_only_once = 0;
573    ainfo.gdrain_rate = (int) state->pclk_khz * (state->pix_bpp/8);
574    ainfo.vdrain_rate = (int) state->pclk_khz * 2;
575    if (state->video_scale != 0)
576        ainfo.vdrain_rate = ainfo.vdrain_rate/state->video_scale;
577    ainfo.mdrain_rate = 33000;
578    res_info->rtl_values = 0;
579    if (!state->gr_during_vid && state->enable_video)
580    {
581        ainfo.gr_only_once = 1;
582        ainfo.gr_en = 1;
583        ainfo.gdrain_rate = 0;
584        res_vid = nv3_get_param(res_info, state,  &ainfo);
585        res_vid = ainfo.converged;
586        save_info.video_lwm = res_info->video_lwm;
587        save_info.video_burst_size = res_info->video_burst_size;
588        ainfo.vid_en = 1;
589        ainfo.vid_only_once = 1;
590        ainfo.gr_en = 1;
591        ainfo.gdrain_rate = (int) state->pclk_khz * (state->pix_bpp/8);
592        ainfo.vdrain_rate = 0;
593        res_gr = nv3_get_param(res_info, state,  &ainfo);
594        res_gr = ainfo.converged;
595        res_info->video_lwm = save_info.video_lwm;
596        res_info->video_burst_size = save_info.video_burst_size;
597        res_info->valid = res_gr & res_vid;
598    }
599    else
600    {
601        if (!ainfo.gr_en) ainfo.gdrain_rate = 0;
602        if (!ainfo.vid_en) ainfo.vdrain_rate = 0;
603        res_gr = nv3_get_param(res_info, state,  &ainfo);
604        res_info->valid = ainfo.converged;
605    }
606}
607static void nv3UpdateArbitrationSettings
608(
609    unsigned      VClk,
610    unsigned      pixelDepth,
611    unsigned     *burst,
612    unsigned     *lwm,
613    RIVA_HW_INST *chip
614)
615{
616    nv3_fifo_info fifo_data;
617    nv3_sim_state sim_data;
618    unsigned int M, N, P, pll, MClk;
619
620    pll = NV_RD32(&chip->PRAMDAC0[0x00000504/4], 0);
621    M = (pll >> 0) & 0xFF; N = (pll >> 8) & 0xFF; P = (pll >> 16) & 0x0F;
622    MClk = (N * chip->CrystalFreqKHz / M) >> P;
623    sim_data.pix_bpp        = (char)pixelDepth;
624    sim_data.enable_video   = 0;
625    sim_data.enable_mp      = 0;
626    sim_data.video_scale    = 1;
627    sim_data.memory_width   = (NV_RD32(&chip->PEXTDEV[0x00000000/4], 0) & 0x10) ?
628	128 : 64;
629    sim_data.memory_width   = 128;
630
631    sim_data.mem_latency    = 9;
632    sim_data.mem_aligned    = 1;
633    sim_data.mem_page_miss  = 11;
634    sim_data.gr_during_vid  = 0;
635    sim_data.pclk_khz       = VClk;
636    sim_data.mclk_khz       = MClk;
637    nv3CalcArbitration(&fifo_data, &sim_data);
638    if (fifo_data.valid)
639    {
640        int  b = fifo_data.graphics_burst_size >> 4;
641        *burst = 0;
642        while (b >>= 1)
643	    (*burst)++;
644        *lwm   = fifo_data.graphics_lwm >> 3;
645    }
646    else
647    {
648        *lwm   = 0x24;
649        *burst = 0x2;
650    }
651}
652static void nv4CalcArbitration
653(
654    nv4_fifo_info *fifo,
655    nv4_sim_state *arb
656)
657{
658    int data, pagemiss, cas,width, video_enable, bpp;
659    int nvclks, mclks, pclks, vpagemiss, crtpagemiss, vbs;
660    int found, mclk_extra, mclk_loop, cbs, m1, p1;
661    int mclk_freq, pclk_freq, nvclk_freq, mp_enable;
662    int us_m, us_n, us_p, video_drain_rate, crtc_drain_rate;
663    int vpm_us, us_video, vlwm, video_fill_us, cpm_us, us_crt,clwm;
664
665    fifo->valid = 1;
666    pclk_freq = arb->pclk_khz;
667    mclk_freq = arb->mclk_khz;
668    nvclk_freq = arb->nvclk_khz;
669    pagemiss = arb->mem_page_miss;
670    cas = arb->mem_latency;
671    width = arb->memory_width >> 6;
672    video_enable = arb->enable_video;
673    bpp = arb->pix_bpp;
674    mp_enable = arb->enable_mp;
675    clwm = 0;
676    vlwm = 0;
677    cbs = 128;
678    pclks = 2;
679    nvclks = 2;
680    nvclks += 2;
681    nvclks += 1;
682    mclks = 5;
683    mclks += 3;
684    mclks += 1;
685    mclks += cas;
686    mclks += 1;
687    mclks += 1;
688    mclks += 1;
689    mclks += 1;
690    mclk_extra = 3;
691    nvclks += 2;
692    nvclks += 1;
693    nvclks += 1;
694    nvclks += 1;
695    if (mp_enable)
696        mclks+=4;
697    nvclks += 0;
698    pclks += 0;
699    found = 0;
700    vbs = 0;
701    while (found != 1)
702    {
703        fifo->valid = 1;
704        found = 1;
705        mclk_loop = mclks+mclk_extra;
706        us_m = mclk_loop *1000*1000 / mclk_freq;
707        us_n = nvclks*1000*1000 / nvclk_freq;
708        us_p = nvclks*1000*1000 / pclk_freq;
709        if (video_enable)
710        {
711            video_drain_rate = pclk_freq * 2;
712            crtc_drain_rate = pclk_freq * bpp/8;
713            vpagemiss = 2;
714            vpagemiss += 1;
715            crtpagemiss = 2;
716            vpm_us = (vpagemiss * pagemiss)*1000*1000/mclk_freq;
717            if (nvclk_freq * 2 > mclk_freq * width)
718                video_fill_us = cbs*1000*1000 / 16 / nvclk_freq ;
719            else
720                video_fill_us = cbs*1000*1000 / (8 * width) / mclk_freq;
721            us_video = vpm_us + us_m + us_n + us_p + video_fill_us;
722            vlwm = us_video * video_drain_rate/(1000*1000);
723            vlwm++;
724            vbs = 128;
725            if (vlwm > 128) vbs = 64;
726            if (vlwm > (256-64)) vbs = 32;
727            if (nvclk_freq * 2 > mclk_freq * width)
728                video_fill_us = vbs *1000*1000/ 16 / nvclk_freq ;
729            else
730                video_fill_us = vbs*1000*1000 / (8 * width) / mclk_freq;
731            cpm_us = crtpagemiss  * pagemiss *1000*1000/ mclk_freq;
732            us_crt =
733            us_video
734            +video_fill_us
735            +cpm_us
736            +us_m + us_n +us_p
737            ;
738            clwm = us_crt * crtc_drain_rate/(1000*1000);
739            clwm++;
740        }
741        else
742        {
743            crtc_drain_rate = pclk_freq * bpp/8;
744            crtpagemiss = 2;
745            crtpagemiss += 1;
746            cpm_us = crtpagemiss  * pagemiss *1000*1000/ mclk_freq;
747            us_crt =  cpm_us + us_m + us_n + us_p ;
748            clwm = us_crt * crtc_drain_rate/(1000*1000);
749            clwm++;
750        }
751        m1 = clwm + cbs - 512;
752        p1 = m1 * pclk_freq / mclk_freq;
753        p1 = p1 * bpp / 8;
754        if ((p1 < m1) && (m1 > 0))
755        {
756            fifo->valid = 0;
757            found = 0;
758            if (mclk_extra ==0)   found = 1;
759            mclk_extra--;
760        }
761        else if (video_enable)
762        {
763            if ((clwm > 511) || (vlwm > 255))
764            {
765                fifo->valid = 0;
766                found = 0;
767                if (mclk_extra ==0)   found = 1;
768                mclk_extra--;
769            }
770        }
771        else
772        {
773            if (clwm > 519)
774            {
775                fifo->valid = 0;
776                found = 0;
777                if (mclk_extra ==0)   found = 1;
778                mclk_extra--;
779            }
780        }
781        if (clwm < 384) clwm = 384;
782        if (vlwm < 128) vlwm = 128;
783        data = (int)(clwm);
784        fifo->graphics_lwm = data;
785        fifo->graphics_burst_size = 128;
786        data = (int)((vlwm+15));
787        fifo->video_lwm = data;
788        fifo->video_burst_size = vbs;
789    }
790}
791static void nv4UpdateArbitrationSettings
792(
793    unsigned      VClk,
794    unsigned      pixelDepth,
795    unsigned     *burst,
796    unsigned     *lwm,
797    RIVA_HW_INST *chip
798)
799{
800    nv4_fifo_info fifo_data;
801    nv4_sim_state sim_data;
802    unsigned int M, N, P, pll, MClk, NVClk, cfg1;
803
804    pll = NV_RD32(&chip->PRAMDAC0[0x00000504/4], 0);
805    M = (pll >> 0)  & 0xFF; N = (pll >> 8)  & 0xFF; P = (pll >> 16) & 0x0F;
806    MClk  = (N * chip->CrystalFreqKHz / M) >> P;
807    pll = NV_RD32(&chip->PRAMDAC0[0x00000500/4], 0);
808    M = (pll >> 0)  & 0xFF; N = (pll >> 8)  & 0xFF; P = (pll >> 16) & 0x0F;
809    NVClk  = (N * chip->CrystalFreqKHz / M) >> P;
810    cfg1 = NV_RD32(&chip->PFB[0x00000204/4], 0);
811    sim_data.pix_bpp        = (char)pixelDepth;
812    sim_data.enable_video   = 0;
813    sim_data.enable_mp      = 0;
814    sim_data.memory_width   = (NV_RD32(&chip->PEXTDEV[0x00000000/4], 0) & 0x10) ?
815	128 : 64;
816    sim_data.mem_latency    = (char)cfg1 & 0x0F;
817    sim_data.mem_aligned    = 1;
818    sim_data.mem_page_miss  = (char)(((cfg1 >> 4) &0x0F) + ((cfg1 >> 31) & 0x01));
819    sim_data.gr_during_vid  = 0;
820    sim_data.pclk_khz       = VClk;
821    sim_data.mclk_khz       = MClk;
822    sim_data.nvclk_khz      = NVClk;
823    nv4CalcArbitration(&fifo_data, &sim_data);
824    if (fifo_data.valid)
825    {
826        int  b = fifo_data.graphics_burst_size >> 4;
827        *burst = 0;
828        while (b >>= 1)
829	    (*burst)++;
830        *lwm   = fifo_data.graphics_lwm >> 3;
831    }
832}
833static void nv10CalcArbitration
834(
835    nv10_fifo_info *fifo,
836    nv10_sim_state *arb
837)
838{
839    int data, pagemiss, width, video_enable, bpp;
840    int nvclks, mclks, pclks, vpagemiss, crtpagemiss;
841    int nvclk_fill;
842    int found, mclk_extra, mclk_loop, cbs, m1;
843    int mclk_freq, pclk_freq, nvclk_freq, mp_enable;
844    int us_m, us_m_min, us_n, us_p, crtc_drain_rate;
845    int vus_m;
846    int vpm_us, us_video, cpm_us, us_crt,clwm;
847    int clwm_rnd_down;
848    int m2us, us_pipe_min, p1clk, p2;
849    int min_mclk_extra;
850    int us_min_mclk_extra;
851
852    fifo->valid = 1;
853    pclk_freq = arb->pclk_khz; /* freq in KHz */
854    mclk_freq = arb->mclk_khz;
855    nvclk_freq = arb->nvclk_khz;
856    pagemiss = arb->mem_page_miss;
857    width = arb->memory_width/64;
858    video_enable = arb->enable_video;
859    bpp = arb->pix_bpp;
860    mp_enable = arb->enable_mp;
861    clwm = 0;
862
863    cbs = 512;
864
865    pclks = 4; /* lwm detect. */
866
867    nvclks = 3; /* lwm -> sync. */
868    nvclks += 2; /* fbi bus cycles (1 req + 1 busy) */
869
870    mclks  = 1;   /* 2 edge sync.  may be very close to edge so just put one. */
871
872    mclks += 1;   /* arb_hp_req */
873    mclks += 5;   /* ap_hp_req   tiling pipeline */
874
875    mclks += 2;    /* tc_req     latency fifo */
876    mclks += 2;    /* fb_cas_n_  memory request to fbio block */
877    mclks += 7;    /* sm_d_rdv   data returned from fbio block */
878
879    /* fb.rd.d.Put_gc   need to accumulate 256 bits for read */
880    if (arb->memory_type == 0)
881      if (arb->memory_width == 64) /* 64 bit bus */
882        mclks += 4;
883      else
884        mclks += 2;
885    else
886      if (arb->memory_width == 64) /* 64 bit bus */
887        mclks += 2;
888      else
889        mclks += 1;
890
891    if ((!video_enable) && (arb->memory_width == 128))
892    {
893      mclk_extra = (bpp == 32) ? 31 : 42; /* Margin of error */
894      min_mclk_extra = 17;
895    }
896    else
897    {
898      mclk_extra = (bpp == 32) ? 8 : 4; /* Margin of error */
899      /* mclk_extra = 4; */ /* Margin of error */
900      min_mclk_extra = 18;
901    }
902
903    nvclks += 1; /* 2 edge sync.  may be very close to edge so just put one. */
904    nvclks += 1; /* fbi_d_rdv_n */
905    nvclks += 1; /* Fbi_d_rdata */
906    nvclks += 1; /* crtfifo load */
907
908    if(mp_enable)
909      mclks+=4; /* Mp can get in with a burst of 8. */
910    /* Extra clocks determined by heuristics */
911
912    nvclks += 0;
913    pclks += 0;
914    found = 0;
915    while(found != 1) {
916      fifo->valid = 1;
917      found = 1;
918      mclk_loop = mclks+mclk_extra;
919      us_m = mclk_loop *1000*1000 / mclk_freq; /* Mclk latency in us */
920      us_m_min = mclks * 1000*1000 / mclk_freq; /* Minimum Mclk latency in us */
921      us_min_mclk_extra = min_mclk_extra *1000*1000 / mclk_freq;
922      us_n = nvclks*1000*1000 / nvclk_freq;/* nvclk latency in us */
923      us_p = pclks*1000*1000 / pclk_freq;/* nvclk latency in us */
924      us_pipe_min = us_m_min + us_n + us_p;
925
926      vus_m = mclk_loop *1000*1000 / mclk_freq; /* Mclk latency in us */
927
928      if(video_enable) {
929        crtc_drain_rate = pclk_freq * bpp/8; /* MB/s */
930
931        vpagemiss = 1; /* self generating page miss */
932        vpagemiss += 1; /* One higher priority before */
933
934        crtpagemiss = 2; /* self generating page miss */
935        if(mp_enable)
936            crtpagemiss += 1; /* if MA0 conflict */
937
938        vpm_us = (vpagemiss * pagemiss)*1000*1000/mclk_freq;
939
940        us_video = vpm_us + vus_m; /* Video has separate read return path */
941
942        cpm_us = crtpagemiss  * pagemiss *1000*1000/ mclk_freq;
943        us_crt =
944          us_video  /* Wait for video */
945          +cpm_us /* CRT Page miss */
946          +us_m + us_n +us_p /* other latency */
947          ;
948
949        clwm = us_crt * crtc_drain_rate/(1000*1000);
950        clwm++; /* fixed point <= float_point - 1.  Fixes that */
951      } else {
952        crtc_drain_rate = pclk_freq * bpp/8; /* bpp * pclk/8 */
953
954        crtpagemiss = 1; /* self generating page miss */
955        crtpagemiss += 1; /* MA0 page miss */
956        if(mp_enable)
957            crtpagemiss += 1; /* if MA0 conflict */
958        cpm_us = crtpagemiss  * pagemiss *1000*1000/ mclk_freq;
959        us_crt =  cpm_us + us_m + us_n + us_p ;
960        clwm = us_crt * crtc_drain_rate/(1000*1000);
961        clwm++; /* fixed point <= float_point - 1.  Fixes that */
962
963  /*
964          //
965          // Another concern, only for high pclks so don't do this
966          // with video:
967          // What happens if the latency to fetch the cbs is so large that
968          // fifo empties.  In that case we need to have an alternate clwm value
969          // based off the total burst fetch
970          //
971          us_crt = (cbs * 1000 * 1000)/ (8*width)/mclk_freq ;
972          us_crt = us_crt + us_m + us_n + us_p + (4 * 1000 * 1000)/mclk_freq;
973          clwm_mt = us_crt * crtc_drain_rate/(1000*1000);
974          clwm_mt ++;
975          if(clwm_mt > clwm)
976              clwm = clwm_mt;
977  */
978          /* Finally, a heuristic check when width == 64 bits */
979          if(width == 1){
980              nvclk_fill = nvclk_freq * 8;
981              if(crtc_drain_rate * 100 >= nvclk_fill * 102)
982                      clwm = 0xfff; /*Large number to fail */
983
984              else if(crtc_drain_rate * 100  >= nvclk_fill * 98) {
985                  clwm = 1024;
986                  cbs = 512;
987              }
988          }
989      }
990
991
992      /*
993        Overfill check:
994
995        */
996
997      clwm_rnd_down = ((int)clwm/8)*8;
998      if (clwm_rnd_down < clwm)
999          clwm += 8;
1000
1001      m1 = clwm + cbs -  1024; /* Amount of overfill */
1002      m2us = us_pipe_min + us_min_mclk_extra;
1003
1004      /* pclk cycles to drain */
1005      p1clk = m2us * pclk_freq/(1000*1000);
1006      p2 = p1clk * bpp / 8; /* bytes drained. */
1007
1008      if((p2 < m1) && (m1 > 0)) {
1009          fifo->valid = 0;
1010          found = 0;
1011          if(min_mclk_extra == 0)   {
1012            if(cbs <= 32) {
1013              found = 1; /* Can't adjust anymore! */
1014            } else {
1015              cbs = cbs/2;  /* reduce the burst size */
1016            }
1017          } else {
1018            min_mclk_extra--;
1019          }
1020      } else {
1021        if (clwm > 1023){ /* Have some margin */
1022          fifo->valid = 0;
1023          found = 0;
1024          if(min_mclk_extra == 0)
1025              found = 1; /* Can't adjust anymore! */
1026          else
1027              min_mclk_extra--;
1028        }
1029      }
1030
1031      if(clwm < (1024-cbs+8)) clwm = 1024-cbs+8;
1032      data = (int)(clwm);
1033      /*  printf("CRT LWM: %f bytes, prog: 0x%x, bs: 256\n", clwm, data ); */
1034      fifo->graphics_lwm = data;   fifo->graphics_burst_size = cbs;
1035
1036      /*  printf("VID LWM: %f bytes, prog: 0x%x, bs: %d\n, ", vlwm, data, vbs ); */
1037      fifo->video_lwm = 1024;  fifo->video_burst_size = 512;
1038    }
1039}
1040static void nv10UpdateArbitrationSettings
1041(
1042    unsigned      VClk,
1043    unsigned      pixelDepth,
1044    unsigned     *burst,
1045    unsigned     *lwm,
1046    RIVA_HW_INST *chip
1047)
1048{
1049    nv10_fifo_info fifo_data;
1050    nv10_sim_state sim_data;
1051    unsigned int M, N, P, pll, MClk, NVClk, cfg1;
1052
1053    pll = NV_RD32(&chip->PRAMDAC0[0x00000504/4], 0);
1054    M = (pll >> 0)  & 0xFF; N = (pll >> 8)  & 0xFF; P = (pll >> 16) & 0x0F;
1055    MClk  = (N * chip->CrystalFreqKHz / M) >> P;
1056    pll = NV_RD32(&chip->PRAMDAC0[0x00000500/4], 0);
1057    M = (pll >> 0)  & 0xFF; N = (pll >> 8)  & 0xFF; P = (pll >> 16) & 0x0F;
1058    NVClk  = (N * chip->CrystalFreqKHz / M) >> P;
1059    cfg1 = NV_RD32(&chip->PFB[0x00000204/4], 0);
1060    sim_data.pix_bpp        = (char)pixelDepth;
1061    sim_data.enable_video   = 0;
1062    sim_data.enable_mp      = 0;
1063    sim_data.memory_type    = (NV_RD32(&chip->PFB[0x00000200/4], 0) & 0x01) ?
1064	1 : 0;
1065    sim_data.memory_width   = (NV_RD32(&chip->PEXTDEV[0x00000000/4], 0) & 0x10) ?
1066	128 : 64;
1067    sim_data.mem_latency    = (char)cfg1 & 0x0F;
1068    sim_data.mem_aligned    = 1;
1069    sim_data.mem_page_miss  = (char)(((cfg1 >> 4) &0x0F) + ((cfg1 >> 31) & 0x01));
1070    sim_data.gr_during_vid  = 0;
1071    sim_data.pclk_khz       = VClk;
1072    sim_data.mclk_khz       = MClk;
1073    sim_data.nvclk_khz      = NVClk;
1074    nv10CalcArbitration(&fifo_data, &sim_data);
1075    if (fifo_data.valid)
1076    {
1077        int  b = fifo_data.graphics_burst_size >> 4;
1078        *burst = 0;
1079        while (b >>= 1)
1080	    (*burst)++;
1081        *lwm   = fifo_data.graphics_lwm >> 3;
1082    }
1083}
1084
1085static void nForceUpdateArbitrationSettings
1086(
1087    unsigned      VClk,
1088    unsigned      pixelDepth,
1089    unsigned     *burst,
1090    unsigned     *lwm,
1091    RIVA_HW_INST *chip,
1092    struct pci_dev *pdev
1093)
1094{
1095    nv10_fifo_info fifo_data;
1096    nv10_sim_state sim_data;
1097    unsigned int M, N, P, pll, MClk, NVClk;
1098    unsigned int uMClkPostDiv;
1099    struct pci_dev *dev;
1100    int domain = pci_domain_nr(pdev->bus);
1101
1102    dev = pci_get_domain_bus_and_slot(domain, 0, 3);
1103    pci_read_config_dword(dev, 0x6C, &uMClkPostDiv);
1104    pci_dev_put(dev);
1105    uMClkPostDiv = (uMClkPostDiv >> 8) & 0xf;
1106
1107    if(!uMClkPostDiv) uMClkPostDiv = 4;
1108    MClk = 400000 / uMClkPostDiv;
1109
1110    pll = NV_RD32(&chip->PRAMDAC0[0x00000500/4], 0);
1111    M = (pll >> 0)  & 0xFF; N = (pll >> 8)  & 0xFF; P = (pll >> 16) & 0x0F;
1112    NVClk  = (N * chip->CrystalFreqKHz / M) >> P;
1113    sim_data.pix_bpp        = (char)pixelDepth;
1114    sim_data.enable_video   = 0;
1115    sim_data.enable_mp      = 0;
1116
1117    dev = pci_get_domain_bus_and_slot(domain, 0, 1);
1118    pci_read_config_dword(dev, 0x7C, &sim_data.memory_type);
1119    pci_dev_put(dev);
1120    sim_data.memory_type    = (sim_data.memory_type >> 12) & 1;
1121
1122    sim_data.memory_width   = 64;
1123    sim_data.mem_latency    = 3;
1124    sim_data.mem_aligned    = 1;
1125    sim_data.mem_page_miss  = 10;
1126    sim_data.gr_during_vid  = 0;
1127    sim_data.pclk_khz       = VClk;
1128    sim_data.mclk_khz       = MClk;
1129    sim_data.nvclk_khz      = NVClk;
1130    nv10CalcArbitration(&fifo_data, &sim_data);
1131    if (fifo_data.valid)
1132    {
1133        int  b = fifo_data.graphics_burst_size >> 4;
1134        *burst = 0;
1135        while (b >>= 1)
1136	    (*burst)++;
1137        *lwm   = fifo_data.graphics_lwm >> 3;
1138    }
1139}
1140
1141/****************************************************************************\
1142*                                                                            *
1143*                          RIVA Mode State Routines                          *
1144*                                                                            *
1145\****************************************************************************/
1146
1147/*
1148 * Calculate the Video Clock parameters for the PLL.
1149 */
1150static int CalcVClock
1151(
1152    int           clockIn,
1153    int          *clockOut,
1154    int          *mOut,
1155    int          *nOut,
1156    int          *pOut,
1157    RIVA_HW_INST *chip
1158)
1159{
1160    unsigned lowM, highM, highP;
1161    unsigned DeltaNew, DeltaOld;
1162    unsigned VClk, Freq;
1163    unsigned M, N, P;
1164
1165    DeltaOld = 0xFFFFFFFF;
1166
1167    VClk     = (unsigned)clockIn;
1168
1169    if (chip->CrystalFreqKHz == 13500)
1170    {
1171        lowM  = 7;
1172        highM = 13 - (chip->Architecture == NV_ARCH_03);
1173    }
1174    else
1175    {
1176        lowM  = 8;
1177        highM = 14 - (chip->Architecture == NV_ARCH_03);
1178    }
1179
1180    highP = 4 - (chip->Architecture == NV_ARCH_03);
1181    for (P = 0; P <= highP; P ++)
1182    {
1183        Freq = VClk << P;
1184        if ((Freq >= 128000) && (Freq <= chip->MaxVClockFreqKHz))
1185        {
1186            for (M = lowM; M <= highM; M++)
1187            {
1188                N    = (VClk << P) * M / chip->CrystalFreqKHz;
1189                if(N <= 255) {
1190                Freq = (chip->CrystalFreqKHz * N / M) >> P;
1191                if (Freq > VClk)
1192                    DeltaNew = Freq - VClk;
1193                else
1194                    DeltaNew = VClk - Freq;
1195                if (DeltaNew < DeltaOld)
1196                {
1197                    *mOut     = M;
1198                    *nOut     = N;
1199                    *pOut     = P;
1200                    *clockOut = Freq;
1201                    DeltaOld  = DeltaNew;
1202                }
1203            }
1204        }
1205    }
1206    }
1207
1208    /* non-zero: M/N/P/clock values assigned.  zero: error (not set) */
1209    return (DeltaOld != 0xFFFFFFFF);
1210}
1211/*
1212 * Calculate extended mode parameters (SVGA) and save in a
1213 * mode state structure.
1214 */
1215int CalcStateExt
1216(
1217    RIVA_HW_INST  *chip,
1218    RIVA_HW_STATE *state,
1219    struct pci_dev *pdev,
1220    int            bpp,
1221    int            width,
1222    int            hDisplaySize,
1223    int            height,
1224    int            dotClock
1225)
1226{
1227    int pixelDepth;
1228    int VClk, m, n, p;
1229
1230    /*
1231     * Save mode parameters.
1232     */
1233    state->bpp    = bpp;    /* this is not bitsPerPixel, it's 8,15,16,32 */
1234    state->width  = width;
1235    state->height = height;
1236    /*
1237     * Extended RIVA registers.
1238     */
1239    pixelDepth = (bpp + 1)/8;
1240    if (!CalcVClock(dotClock, &VClk, &m, &n, &p, chip))
1241    	return -EINVAL;
1242
1243    switch (chip->Architecture)
1244    {
1245        case NV_ARCH_03:
1246            nv3UpdateArbitrationSettings(VClk,
1247                                         pixelDepth * 8,
1248                                        &(state->arbitration0),
1249                                        &(state->arbitration1),
1250                                         chip);
1251            state->cursor0  = 0x00;
1252            state->cursor1  = 0x78;
1253            state->cursor2  = 0x00000000;
1254            state->pllsel   = 0x10010100;
1255            state->config   = ((width + 31)/32)
1256                            | (((pixelDepth > 2) ? 3 : pixelDepth) << 8)
1257                            | 0x1000;
1258            state->general  = 0x00100100;
1259            state->repaint1 = hDisplaySize < 1280 ? 0x06 : 0x02;
1260            break;
1261        case NV_ARCH_04:
1262            nv4UpdateArbitrationSettings(VClk,
1263                                         pixelDepth * 8,
1264                                        &(state->arbitration0),
1265                                        &(state->arbitration1),
1266                                         chip);
1267            state->cursor0  = 0x00;
1268            state->cursor1  = 0xFC;
1269            state->cursor2  = 0x00000000;
1270            state->pllsel   = 0x10000700;
1271            state->config   = 0x00001114;
1272            state->general  = bpp == 16 ? 0x00101100 : 0x00100100;
1273            state->repaint1 = hDisplaySize < 1280 ? 0x04 : 0x00;
1274            break;
1275        case NV_ARCH_10:
1276        case NV_ARCH_20:
1277        case NV_ARCH_30:
1278            if((chip->Chipset == NV_CHIP_IGEFORCE2) ||
1279               (chip->Chipset == NV_CHIP_0x01F0))
1280            {
1281                nForceUpdateArbitrationSettings(VClk,
1282                                          pixelDepth * 8,
1283                                         &(state->arbitration0),
1284                                         &(state->arbitration1),
1285                                          chip, pdev);
1286            } else {
1287                nv10UpdateArbitrationSettings(VClk,
1288                                          pixelDepth * 8,
1289                                         &(state->arbitration0),
1290                                         &(state->arbitration1),
1291                                          chip);
1292            }
1293            state->cursor0  = 0x80 | (chip->CursorStart >> 17);
1294            state->cursor1  = (chip->CursorStart >> 11) << 2;
1295            state->cursor2  = chip->CursorStart >> 24;
1296            state->pllsel   = 0x10000700;
1297            state->config   = NV_RD32(&chip->PFB[0x00000200/4], 0);
1298            state->general  = bpp == 16 ? 0x00101100 : 0x00100100;
1299            state->repaint1 = hDisplaySize < 1280 ? 0x04 : 0x00;
1300            break;
1301    }
1302
1303     /* Paul Richards: below if block borks things in kernel for some reason */
1304     /* Tony: Below is needed to set hardware in DirectColor */
1305    if((bpp != 8) && (chip->Architecture != NV_ARCH_03))
1306	    state->general |= 0x00000030;
1307
1308    state->vpll     = (p << 16) | (n << 8) | m;
1309    state->repaint0 = (((width/8)*pixelDepth) & 0x700) >> 3;
1310    state->pixel    = pixelDepth > 2   ? 3    : pixelDepth;
1311    state->offset0  =
1312    state->offset1  =
1313    state->offset2  =
1314    state->offset3  = 0;
1315    state->pitch0   =
1316    state->pitch1   =
1317    state->pitch2   =
1318    state->pitch3   = pixelDepth * width;
1319
1320    return 0;
1321}
1322/*
1323 * Load fixed function state and pre-calculated/stored state.
1324 */
1325#define LOAD_FIXED_STATE(tbl,dev)                                       \
1326    for (i = 0; i < sizeof(tbl##Table##dev)/8; i++)                 \
1327        NV_WR32(&chip->dev[tbl##Table##dev[i][0]], 0, tbl##Table##dev[i][1])
1328#define LOAD_FIXED_STATE_8BPP(tbl,dev)                                  \
1329    for (i = 0; i < sizeof(tbl##Table##dev##_8BPP)/8; i++)            \
1330        NV_WR32(&chip->dev[tbl##Table##dev##_8BPP[i][0]], 0, tbl##Table##dev##_8BPP[i][1])
1331#define LOAD_FIXED_STATE_15BPP(tbl,dev)                                 \
1332    for (i = 0; i < sizeof(tbl##Table##dev##_15BPP)/8; i++)           \
1333        NV_WR32(&chip->dev[tbl##Table##dev##_15BPP[i][0]], 0, tbl##Table##dev##_15BPP[i][1])
1334#define LOAD_FIXED_STATE_16BPP(tbl,dev)                                 \
1335    for (i = 0; i < sizeof(tbl##Table##dev##_16BPP)/8; i++)           \
1336        NV_WR32(&chip->dev[tbl##Table##dev##_16BPP[i][0]], 0, tbl##Table##dev##_16BPP[i][1])
1337#define LOAD_FIXED_STATE_32BPP(tbl,dev)                                 \
1338    for (i = 0; i < sizeof(tbl##Table##dev##_32BPP)/8; i++)           \
1339        NV_WR32(&chip->dev[tbl##Table##dev##_32BPP[i][0]], 0, tbl##Table##dev##_32BPP[i][1])
1340
1341static void UpdateFifoState
1342(
1343    RIVA_HW_INST  *chip
1344)
1345{
1346    int i;
1347
1348    switch (chip->Architecture)
1349    {
1350        case NV_ARCH_04:
1351            LOAD_FIXED_STATE(nv4,FIFO);
1352            chip->Tri03 = NULL;
1353            chip->Tri05 = (RivaTexturedTriangle05 __iomem *)&(chip->FIFO[0x0000E000/4]);
1354            break;
1355        case NV_ARCH_10:
1356        case NV_ARCH_20:
1357        case NV_ARCH_30:
1358            /*
1359             * Initialize state for the RivaTriangle3D05 routines.
1360             */
1361            LOAD_FIXED_STATE(nv10tri05,PGRAPH);
1362            LOAD_FIXED_STATE(nv10,FIFO);
1363            chip->Tri03 = NULL;
1364            chip->Tri05 = (RivaTexturedTriangle05 __iomem *)&(chip->FIFO[0x0000E000/4]);
1365            break;
1366    }
1367}
1368static void LoadStateExt
1369(
1370    RIVA_HW_INST  *chip,
1371    RIVA_HW_STATE *state
1372)
1373{
1374    int i;
1375
1376    /*
1377     * Load HW fixed function state.
1378     */
1379    LOAD_FIXED_STATE(Riva,PMC);
1380    LOAD_FIXED_STATE(Riva,PTIMER);
1381    switch (chip->Architecture)
1382    {
1383        case NV_ARCH_03:
1384            /*
1385             * Make sure frame buffer config gets set before loading PRAMIN.
1386             */
1387            NV_WR32(chip->PFB, 0x00000200, state->config);
1388            LOAD_FIXED_STATE(nv3,PFIFO);
1389            LOAD_FIXED_STATE(nv3,PRAMIN);
1390            LOAD_FIXED_STATE(nv3,PGRAPH);
1391            switch (state->bpp)
1392            {
1393                case 15:
1394                case 16:
1395                    LOAD_FIXED_STATE_15BPP(nv3,PRAMIN);
1396                    LOAD_FIXED_STATE_15BPP(nv3,PGRAPH);
1397                    chip->Tri03 = (RivaTexturedTriangle03  __iomem *)&(chip->FIFO[0x0000E000/4]);
1398                    break;
1399                case 24:
1400                case 32:
1401                    LOAD_FIXED_STATE_32BPP(nv3,PRAMIN);
1402                    LOAD_FIXED_STATE_32BPP(nv3,PGRAPH);
1403                    chip->Tri03 = NULL;
1404                    break;
1405                case 8:
1406                default:
1407                    LOAD_FIXED_STATE_8BPP(nv3,PRAMIN);
1408                    LOAD_FIXED_STATE_8BPP(nv3,PGRAPH);
1409                    chip->Tri03 = NULL;
1410                    break;
1411            }
1412            for (i = 0x00000; i < 0x00800; i++)
1413                NV_WR32(&chip->PRAMIN[0x00000502 + i], 0, (i << 12) | 0x03);
1414            NV_WR32(chip->PGRAPH, 0x00000630, state->offset0);
1415            NV_WR32(chip->PGRAPH, 0x00000634, state->offset1);
1416            NV_WR32(chip->PGRAPH, 0x00000638, state->offset2);
1417            NV_WR32(chip->PGRAPH, 0x0000063C, state->offset3);
1418            NV_WR32(chip->PGRAPH, 0x00000650, state->pitch0);
1419            NV_WR32(chip->PGRAPH, 0x00000654, state->pitch1);
1420            NV_WR32(chip->PGRAPH, 0x00000658, state->pitch2);
1421            NV_WR32(chip->PGRAPH, 0x0000065C, state->pitch3);
1422            break;
1423        case NV_ARCH_04:
1424            /*
1425             * Make sure frame buffer config gets set before loading PRAMIN.
1426             */
1427            NV_WR32(chip->PFB, 0x00000200, state->config);
1428            LOAD_FIXED_STATE(nv4,PFIFO);
1429            LOAD_FIXED_STATE(nv4,PRAMIN);
1430            LOAD_FIXED_STATE(nv4,PGRAPH);
1431            switch (state->bpp)
1432            {
1433                case 15:
1434                    LOAD_FIXED_STATE_15BPP(nv4,PRAMIN);
1435                    LOAD_FIXED_STATE_15BPP(nv4,PGRAPH);
1436                    chip->Tri03 = (RivaTexturedTriangle03  __iomem *)&(chip->FIFO[0x0000E000/4]);
1437                    break;
1438                case 16:
1439                    LOAD_FIXED_STATE_16BPP(nv4,PRAMIN);
1440                    LOAD_FIXED_STATE_16BPP(nv4,PGRAPH);
1441                    chip->Tri03 = (RivaTexturedTriangle03  __iomem *)&(chip->FIFO[0x0000E000/4]);
1442                    break;
1443                case 24:
1444                case 32:
1445                    LOAD_FIXED_STATE_32BPP(nv4,PRAMIN);
1446                    LOAD_FIXED_STATE_32BPP(nv4,PGRAPH);
1447                    chip->Tri03 = NULL;
1448                    break;
1449                case 8:
1450                default:
1451                    LOAD_FIXED_STATE_8BPP(nv4,PRAMIN);
1452                    LOAD_FIXED_STATE_8BPP(nv4,PGRAPH);
1453                    chip->Tri03 = NULL;
1454                    break;
1455            }
1456            NV_WR32(chip->PGRAPH, 0x00000640, state->offset0);
1457            NV_WR32(chip->PGRAPH, 0x00000644, state->offset1);
1458            NV_WR32(chip->PGRAPH, 0x00000648, state->offset2);
1459            NV_WR32(chip->PGRAPH, 0x0000064C, state->offset3);
1460            NV_WR32(chip->PGRAPH, 0x00000670, state->pitch0);
1461            NV_WR32(chip->PGRAPH, 0x00000674, state->pitch1);
1462            NV_WR32(chip->PGRAPH, 0x00000678, state->pitch2);
1463            NV_WR32(chip->PGRAPH, 0x0000067C, state->pitch3);
1464            break;
1465        case NV_ARCH_10:
1466        case NV_ARCH_20:
1467        case NV_ARCH_30:
1468            if(chip->twoHeads) {
1469               VGA_WR08(chip->PCIO, 0x03D4, 0x44);
1470               VGA_WR08(chip->PCIO, 0x03D5, state->crtcOwner);
1471               chip->LockUnlock(chip, 0);
1472            }
1473
1474            LOAD_FIXED_STATE(nv10,PFIFO);
1475            LOAD_FIXED_STATE(nv10,PRAMIN);
1476            LOAD_FIXED_STATE(nv10,PGRAPH);
1477            switch (state->bpp)
1478            {
1479                case 15:
1480                    LOAD_FIXED_STATE_15BPP(nv10,PRAMIN);
1481                    LOAD_FIXED_STATE_15BPP(nv10,PGRAPH);
1482                    chip->Tri03 = (RivaTexturedTriangle03  __iomem *)&(chip->FIFO[0x0000E000/4]);
1483                    break;
1484                case 16:
1485                    LOAD_FIXED_STATE_16BPP(nv10,PRAMIN);
1486                    LOAD_FIXED_STATE_16BPP(nv10,PGRAPH);
1487                    chip->Tri03 = (RivaTexturedTriangle03  __iomem *)&(chip->FIFO[0x0000E000/4]);
1488                    break;
1489                case 24:
1490                case 32:
1491                    LOAD_FIXED_STATE_32BPP(nv10,PRAMIN);
1492                    LOAD_FIXED_STATE_32BPP(nv10,PGRAPH);
1493                    chip->Tri03 = NULL;
1494                    break;
1495                case 8:
1496                default:
1497                    LOAD_FIXED_STATE_8BPP(nv10,PRAMIN);
1498                    LOAD_FIXED_STATE_8BPP(nv10,PGRAPH);
1499                    chip->Tri03 = NULL;
1500                    break;
1501            }
1502
1503            if(chip->Architecture == NV_ARCH_10) {
1504                NV_WR32(chip->PGRAPH, 0x00000640, state->offset0);
1505                NV_WR32(chip->PGRAPH, 0x00000644, state->offset1);
1506                NV_WR32(chip->PGRAPH, 0x00000648, state->offset2);
1507                NV_WR32(chip->PGRAPH, 0x0000064C, state->offset3);
1508                NV_WR32(chip->PGRAPH, 0x00000670, state->pitch0);
1509                NV_WR32(chip->PGRAPH, 0x00000674, state->pitch1);
1510                NV_WR32(chip->PGRAPH, 0x00000678, state->pitch2);
1511                NV_WR32(chip->PGRAPH, 0x0000067C, state->pitch3);
1512                NV_WR32(chip->PGRAPH, 0x00000680, state->pitch3);
1513        } else {
1514        NV_WR32(chip->PGRAPH, 0x00000820, state->offset0);
1515        NV_WR32(chip->PGRAPH, 0x00000824, state->offset1);
1516        NV_WR32(chip->PGRAPH, 0x00000828, state->offset2);
1517        NV_WR32(chip->PGRAPH, 0x0000082C, state->offset3);
1518        NV_WR32(chip->PGRAPH, 0x00000850, state->pitch0);
1519        NV_WR32(chip->PGRAPH, 0x00000854, state->pitch1);
1520        NV_WR32(chip->PGRAPH, 0x00000858, state->pitch2);
1521        NV_WR32(chip->PGRAPH, 0x0000085C, state->pitch3);
1522        NV_WR32(chip->PGRAPH, 0x00000860, state->pitch3);
1523        NV_WR32(chip->PGRAPH, 0x00000864, state->pitch3);
1524        NV_WR32(chip->PGRAPH, 0x000009A4, NV_RD32(chip->PFB, 0x00000200));
1525        NV_WR32(chip->PGRAPH, 0x000009A8, NV_RD32(chip->PFB, 0x00000204));
1526        }
1527            if(chip->twoHeads) {
1528               NV_WR32(chip->PCRTC0, 0x00000860, state->head);
1529               NV_WR32(chip->PCRTC0, 0x00002860, state->head2);
1530            }
1531            NV_WR32(chip->PRAMDAC, 0x00000404, NV_RD32(chip->PRAMDAC, 0x00000404) | (1 << 25));
1532
1533            NV_WR32(chip->PMC, 0x00008704, 1);
1534            NV_WR32(chip->PMC, 0x00008140, 0);
1535            NV_WR32(chip->PMC, 0x00008920, 0);
1536            NV_WR32(chip->PMC, 0x00008924, 0);
1537            NV_WR32(chip->PMC, 0x00008908, 0x01ffffff);
1538            NV_WR32(chip->PMC, 0x0000890C, 0x01ffffff);
1539            NV_WR32(chip->PMC, 0x00001588, 0);
1540
1541            NV_WR32(chip->PFB, 0x00000240, 0);
1542            NV_WR32(chip->PFB, 0x00000250, 0);
1543            NV_WR32(chip->PFB, 0x00000260, 0);
1544            NV_WR32(chip->PFB, 0x00000270, 0);
1545            NV_WR32(chip->PFB, 0x00000280, 0);
1546            NV_WR32(chip->PFB, 0x00000290, 0);
1547            NV_WR32(chip->PFB, 0x000002A0, 0);
1548            NV_WR32(chip->PFB, 0x000002B0, 0);
1549
1550            NV_WR32(chip->PGRAPH, 0x00000B00, NV_RD32(chip->PFB, 0x00000240));
1551            NV_WR32(chip->PGRAPH, 0x00000B04, NV_RD32(chip->PFB, 0x00000244));
1552            NV_WR32(chip->PGRAPH, 0x00000B08, NV_RD32(chip->PFB, 0x00000248));
1553            NV_WR32(chip->PGRAPH, 0x00000B0C, NV_RD32(chip->PFB, 0x0000024C));
1554            NV_WR32(chip->PGRAPH, 0x00000B10, NV_RD32(chip->PFB, 0x00000250));
1555            NV_WR32(chip->PGRAPH, 0x00000B14, NV_RD32(chip->PFB, 0x00000254));
1556            NV_WR32(chip->PGRAPH, 0x00000B18, NV_RD32(chip->PFB, 0x00000258));
1557            NV_WR32(chip->PGRAPH, 0x00000B1C, NV_RD32(chip->PFB, 0x0000025C));
1558            NV_WR32(chip->PGRAPH, 0x00000B20, NV_RD32(chip->PFB, 0x00000260));
1559            NV_WR32(chip->PGRAPH, 0x00000B24, NV_RD32(chip->PFB, 0x00000264));
1560            NV_WR32(chip->PGRAPH, 0x00000B28, NV_RD32(chip->PFB, 0x00000268));
1561            NV_WR32(chip->PGRAPH, 0x00000B2C, NV_RD32(chip->PFB, 0x0000026C));
1562            NV_WR32(chip->PGRAPH, 0x00000B30, NV_RD32(chip->PFB, 0x00000270));
1563            NV_WR32(chip->PGRAPH, 0x00000B34, NV_RD32(chip->PFB, 0x00000274));
1564            NV_WR32(chip->PGRAPH, 0x00000B38, NV_RD32(chip->PFB, 0x00000278));
1565            NV_WR32(chip->PGRAPH, 0x00000B3C, NV_RD32(chip->PFB, 0x0000027C));
1566            NV_WR32(chip->PGRAPH, 0x00000B40, NV_RD32(chip->PFB, 0x00000280));
1567            NV_WR32(chip->PGRAPH, 0x00000B44, NV_RD32(chip->PFB, 0x00000284));
1568            NV_WR32(chip->PGRAPH, 0x00000B48, NV_RD32(chip->PFB, 0x00000288));
1569            NV_WR32(chip->PGRAPH, 0x00000B4C, NV_RD32(chip->PFB, 0x0000028C));
1570            NV_WR32(chip->PGRAPH, 0x00000B50, NV_RD32(chip->PFB, 0x00000290));
1571            NV_WR32(chip->PGRAPH, 0x00000B54, NV_RD32(chip->PFB, 0x00000294));
1572            NV_WR32(chip->PGRAPH, 0x00000B58, NV_RD32(chip->PFB, 0x00000298));
1573            NV_WR32(chip->PGRAPH, 0x00000B5C, NV_RD32(chip->PFB, 0x0000029C));
1574            NV_WR32(chip->PGRAPH, 0x00000B60, NV_RD32(chip->PFB, 0x000002A0));
1575            NV_WR32(chip->PGRAPH, 0x00000B64, NV_RD32(chip->PFB, 0x000002A4));
1576            NV_WR32(chip->PGRAPH, 0x00000B68, NV_RD32(chip->PFB, 0x000002A8));
1577            NV_WR32(chip->PGRAPH, 0x00000B6C, NV_RD32(chip->PFB, 0x000002AC));
1578            NV_WR32(chip->PGRAPH, 0x00000B70, NV_RD32(chip->PFB, 0x000002B0));
1579            NV_WR32(chip->PGRAPH, 0x00000B74, NV_RD32(chip->PFB, 0x000002B4));
1580            NV_WR32(chip->PGRAPH, 0x00000B78, NV_RD32(chip->PFB, 0x000002B8));
1581            NV_WR32(chip->PGRAPH, 0x00000B7C, NV_RD32(chip->PFB, 0x000002BC));
1582            NV_WR32(chip->PGRAPH, 0x00000F40, 0x10000000);
1583            NV_WR32(chip->PGRAPH, 0x00000F44, 0x00000000);
1584            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00000040);
1585            NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000008);
1586            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00000200);
1587            for (i = 0; i < (3*16); i++)
1588                NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000000);
1589            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00000040);
1590            NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000000);
1591            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00000800);
1592            for (i = 0; i < (16*16); i++)
1593                NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000000);
1594            NV_WR32(chip->PGRAPH, 0x00000F40, 0x30000000);
1595            NV_WR32(chip->PGRAPH, 0x00000F44, 0x00000004);
1596            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00006400);
1597            for (i = 0; i < (59*4); i++)
1598                NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000000);
1599            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00006800);
1600            for (i = 0; i < (47*4); i++)
1601                NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000000);
1602            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00006C00);
1603            for (i = 0; i < (3*4); i++)
1604                NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000000);
1605            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00007000);
1606            for (i = 0; i < (19*4); i++)
1607                NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000000);
1608            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00007400);
1609            for (i = 0; i < (12*4); i++)
1610                NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000000);
1611            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00007800);
1612            for (i = 0; i < (12*4); i++)
1613                NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000000);
1614            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00004400);
1615            for (i = 0; i < (8*4); i++)
1616                NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000000);
1617            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00000000);
1618            for (i = 0; i < 16; i++)
1619                NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000000);
1620            NV_WR32(chip->PGRAPH, 0x00000F50, 0x00000040);
1621            for (i = 0; i < 4; i++)
1622                NV_WR32(chip->PGRAPH, 0x00000F54, 0x00000000);
1623
1624            NV_WR32(chip->PCRTC, 0x00000810, state->cursorConfig);
1625
1626            if(chip->flatPanel) {
1627               if((chip->Chipset & 0x0ff0) == 0x0110) {
1628                   NV_WR32(chip->PRAMDAC, 0x0528, state->dither);
1629               } else
1630               if((chip->Chipset & 0x0ff0) >= 0x0170) {
1631                   NV_WR32(chip->PRAMDAC, 0x083C, state->dither);
1632               }
1633
1634               VGA_WR08(chip->PCIO, 0x03D4, 0x53);
1635               VGA_WR08(chip->PCIO, 0x03D5, 0);
1636               VGA_WR08(chip->PCIO, 0x03D4, 0x54);
1637               VGA_WR08(chip->PCIO, 0x03D5, 0);
1638               VGA_WR08(chip->PCIO, 0x03D4, 0x21);
1639               VGA_WR08(chip->PCIO, 0x03D5, 0xfa);
1640            }
1641
1642            VGA_WR08(chip->PCIO, 0x03D4, 0x41);
1643            VGA_WR08(chip->PCIO, 0x03D5, state->extra);
1644    }
1645    LOAD_FIXED_STATE(Riva,FIFO);
1646    UpdateFifoState(chip);
1647    /*
1648     * Load HW mode state.
1649     */
1650    VGA_WR08(chip->PCIO, 0x03D4, 0x19);
1651    VGA_WR08(chip->PCIO, 0x03D5, state->repaint0);
1652    VGA_WR08(chip->PCIO, 0x03D4, 0x1A);
1653    VGA_WR08(chip->PCIO, 0x03D5, state->repaint1);
1654    VGA_WR08(chip->PCIO, 0x03D4, 0x25);
1655    VGA_WR08(chip->PCIO, 0x03D5, state->screen);
1656    VGA_WR08(chip->PCIO, 0x03D4, 0x28);
1657    VGA_WR08(chip->PCIO, 0x03D5, state->pixel);
1658    VGA_WR08(chip->PCIO, 0x03D4, 0x2D);
1659    VGA_WR08(chip->PCIO, 0x03D5, state->horiz);
1660    VGA_WR08(chip->PCIO, 0x03D4, 0x1B);
1661    VGA_WR08(chip->PCIO, 0x03D5, state->arbitration0);
1662    VGA_WR08(chip->PCIO, 0x03D4, 0x20);
1663    VGA_WR08(chip->PCIO, 0x03D5, state->arbitration1);
1664    VGA_WR08(chip->PCIO, 0x03D4, 0x30);
1665    VGA_WR08(chip->PCIO, 0x03D5, state->cursor0);
1666    VGA_WR08(chip->PCIO, 0x03D4, 0x31);
1667    VGA_WR08(chip->PCIO, 0x03D5, state->cursor1);
1668    VGA_WR08(chip->PCIO, 0x03D4, 0x2F);
1669    VGA_WR08(chip->PCIO, 0x03D5, state->cursor2);
1670    VGA_WR08(chip->PCIO, 0x03D4, 0x39);
1671    VGA_WR08(chip->PCIO, 0x03D5, state->interlace);
1672
1673    if(!chip->flatPanel) {
1674       NV_WR32(chip->PRAMDAC0, 0x00000508, state->vpll);
1675       NV_WR32(chip->PRAMDAC0, 0x0000050C, state->pllsel);
1676       if(chip->twoHeads)
1677          NV_WR32(chip->PRAMDAC0, 0x00000520, state->vpll2);
1678    }  else {
1679       NV_WR32(chip->PRAMDAC, 0x00000848 , state->scale);
1680    }
1681    NV_WR32(chip->PRAMDAC, 0x00000600 , state->general);
1682
1683    /*
1684     * Turn off VBlank enable and reset.
1685     */
1686    NV_WR32(chip->PCRTC, 0x00000140, 0);
1687    NV_WR32(chip->PCRTC, 0x00000100, chip->VBlankBit);
1688    /*
1689     * Set interrupt enable.
1690     */
1691    NV_WR32(chip->PMC, 0x00000140, chip->EnableIRQ & 0x01);
1692    /*
1693     * Set current state pointer.
1694     */
1695    chip->CurrentState = state;
1696    /*
1697     * Reset FIFO free and empty counts.
1698     */
1699    chip->FifoFreeCount  = 0;
1700    /* Free count from first subchannel */
1701    chip->FifoEmptyCount = NV_RD32(&chip->Rop->FifoFree, 0);
1702}
1703static void UnloadStateExt
1704(
1705    RIVA_HW_INST  *chip,
1706    RIVA_HW_STATE *state
1707)
1708{
1709    /*
1710     * Save current HW state.
1711     */
1712    VGA_WR08(chip->PCIO, 0x03D4, 0x19);
1713    state->repaint0     = VGA_RD08(chip->PCIO, 0x03D5);
1714    VGA_WR08(chip->PCIO, 0x03D4, 0x1A);
1715    state->repaint1     = VGA_RD08(chip->PCIO, 0x03D5);
1716    VGA_WR08(chip->PCIO, 0x03D4, 0x25);
1717    state->screen       = VGA_RD08(chip->PCIO, 0x03D5);
1718    VGA_WR08(chip->PCIO, 0x03D4, 0x28);
1719    state->pixel        = VGA_RD08(chip->PCIO, 0x03D5);
1720    VGA_WR08(chip->PCIO, 0x03D4, 0x2D);
1721    state->horiz        = VGA_RD08(chip->PCIO, 0x03D5);
1722    VGA_WR08(chip->PCIO, 0x03D4, 0x1B);
1723    state->arbitration0 = VGA_RD08(chip->PCIO, 0x03D5);
1724    VGA_WR08(chip->PCIO, 0x03D4, 0x20);
1725    state->arbitration1 = VGA_RD08(chip->PCIO, 0x03D5);
1726    VGA_WR08(chip->PCIO, 0x03D4, 0x30);
1727    state->cursor0      = VGA_RD08(chip->PCIO, 0x03D5);
1728    VGA_WR08(chip->PCIO, 0x03D4, 0x31);
1729    state->cursor1      = VGA_RD08(chip->PCIO, 0x03D5);
1730    VGA_WR08(chip->PCIO, 0x03D4, 0x2F);
1731    state->cursor2      = VGA_RD08(chip->PCIO, 0x03D5);
1732    VGA_WR08(chip->PCIO, 0x03D4, 0x39);
1733    state->interlace    = VGA_RD08(chip->PCIO, 0x03D5);
1734    state->vpll         = NV_RD32(chip->PRAMDAC0, 0x00000508);
1735    state->vpll2        = NV_RD32(chip->PRAMDAC0, 0x00000520);
1736    state->pllsel       = NV_RD32(chip->PRAMDAC0, 0x0000050C);
1737    state->general      = NV_RD32(chip->PRAMDAC, 0x00000600);
1738    state->scale        = NV_RD32(chip->PRAMDAC, 0x00000848);
1739    state->config       = NV_RD32(chip->PFB, 0x00000200);
1740    switch (chip->Architecture)
1741    {
1742        case NV_ARCH_03:
1743            state->offset0  = NV_RD32(chip->PGRAPH, 0x00000630);
1744            state->offset1  = NV_RD32(chip->PGRAPH, 0x00000634);
1745            state->offset2  = NV_RD32(chip->PGRAPH, 0x00000638);
1746            state->offset3  = NV_RD32(chip->PGRAPH, 0x0000063C);
1747            state->pitch0   = NV_RD32(chip->PGRAPH, 0x00000650);
1748            state->pitch1   = NV_RD32(chip->PGRAPH, 0x00000654);
1749            state->pitch2   = NV_RD32(chip->PGRAPH, 0x00000658);
1750            state->pitch3   = NV_RD32(chip->PGRAPH, 0x0000065C);
1751            break;
1752        case NV_ARCH_04:
1753            state->offset0  = NV_RD32(chip->PGRAPH, 0x00000640);
1754            state->offset1  = NV_RD32(chip->PGRAPH, 0x00000644);
1755            state->offset2  = NV_RD32(chip->PGRAPH, 0x00000648);
1756            state->offset3  = NV_RD32(chip->PGRAPH, 0x0000064C);
1757            state->pitch0   = NV_RD32(chip->PGRAPH, 0x00000670);
1758            state->pitch1   = NV_RD32(chip->PGRAPH, 0x00000674);
1759            state->pitch2   = NV_RD32(chip->PGRAPH, 0x00000678);
1760            state->pitch3   = NV_RD32(chip->PGRAPH, 0x0000067C);
1761            break;
1762        case NV_ARCH_10:
1763        case NV_ARCH_20:
1764        case NV_ARCH_30:
1765            state->offset0  = NV_RD32(chip->PGRAPH, 0x00000640);
1766            state->offset1  = NV_RD32(chip->PGRAPH, 0x00000644);
1767            state->offset2  = NV_RD32(chip->PGRAPH, 0x00000648);
1768            state->offset3  = NV_RD32(chip->PGRAPH, 0x0000064C);
1769            state->pitch0   = NV_RD32(chip->PGRAPH, 0x00000670);
1770            state->pitch1   = NV_RD32(chip->PGRAPH, 0x00000674);
1771            state->pitch2   = NV_RD32(chip->PGRAPH, 0x00000678);
1772            state->pitch3   = NV_RD32(chip->PGRAPH, 0x0000067C);
1773            if(chip->twoHeads) {
1774               state->head     = NV_RD32(chip->PCRTC0, 0x00000860);
1775               state->head2    = NV_RD32(chip->PCRTC0, 0x00002860);
1776               VGA_WR08(chip->PCIO, 0x03D4, 0x44);
1777               state->crtcOwner = VGA_RD08(chip->PCIO, 0x03D5);
1778            }
1779            VGA_WR08(chip->PCIO, 0x03D4, 0x41);
1780            state->extra = VGA_RD08(chip->PCIO, 0x03D5);
1781            state->cursorConfig = NV_RD32(chip->PCRTC, 0x00000810);
1782
1783            if((chip->Chipset & 0x0ff0) == 0x0110) {
1784                state->dither = NV_RD32(chip->PRAMDAC, 0x0528);
1785            } else
1786            if((chip->Chipset & 0x0ff0) >= 0x0170) {
1787                state->dither = NV_RD32(chip->PRAMDAC, 0x083C);
1788            }
1789            break;
1790    }
1791}
1792static void SetStartAddress
1793(
1794    RIVA_HW_INST *chip,
1795    unsigned      start
1796)
1797{
1798    NV_WR32(chip->PCRTC, 0x800, start);
1799}
1800
1801static void SetStartAddress3
1802(
1803    RIVA_HW_INST *chip,
1804    unsigned      start
1805)
1806{
1807    int offset = start >> 2;
1808    int pan    = (start & 3) << 1;
1809    unsigned char tmp;
1810
1811    /*
1812     * Unlock extended registers.
1813     */
1814    chip->LockUnlock(chip, 0);
1815    /*
1816     * Set start address.
1817     */
1818    VGA_WR08(chip->PCIO, 0x3D4, 0x0D); VGA_WR08(chip->PCIO, 0x3D5, offset);
1819    offset >>= 8;
1820    VGA_WR08(chip->PCIO, 0x3D4, 0x0C); VGA_WR08(chip->PCIO, 0x3D5, offset);
1821    offset >>= 8;
1822    VGA_WR08(chip->PCIO, 0x3D4, 0x19); tmp = VGA_RD08(chip->PCIO, 0x3D5);
1823    VGA_WR08(chip->PCIO, 0x3D5, (offset & 0x01F) | (tmp & ~0x1F));
1824    VGA_WR08(chip->PCIO, 0x3D4, 0x2D); tmp = VGA_RD08(chip->PCIO, 0x3D5);
1825    VGA_WR08(chip->PCIO, 0x3D5, (offset & 0x60) | (tmp & ~0x60));
1826    /*
1827     * 4 pixel pan register.
1828     */
1829    offset = VGA_RD08(chip->PCIO, chip->IO + 0x0A);
1830    VGA_WR08(chip->PCIO, 0x3C0, 0x13);
1831    VGA_WR08(chip->PCIO, 0x3C0, pan);
1832}
1833static void nv3SetSurfaces2D
1834(
1835    RIVA_HW_INST *chip,
1836    unsigned     surf0,
1837    unsigned     surf1
1838)
1839{
1840    RivaSurface __iomem *Surface =
1841	(RivaSurface __iomem *)&(chip->FIFO[0x0000E000/4]);
1842
1843    RIVA_FIFO_FREE(*chip,Tri03,5);
1844    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000003);
1845    NV_WR32(&Surface->Offset, 0, surf0);
1846    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000004);
1847    NV_WR32(&Surface->Offset, 0, surf1);
1848    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000013);
1849}
1850static void nv4SetSurfaces2D
1851(
1852    RIVA_HW_INST *chip,
1853    unsigned     surf0,
1854    unsigned     surf1
1855)
1856{
1857    RivaSurface __iomem *Surface =
1858	(RivaSurface __iomem *)&(chip->FIFO[0x0000E000/4]);
1859
1860    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000003);
1861    NV_WR32(&Surface->Offset, 0, surf0);
1862    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000004);
1863    NV_WR32(&Surface->Offset, 0, surf1);
1864    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000014);
1865}
1866static void nv10SetSurfaces2D
1867(
1868    RIVA_HW_INST *chip,
1869    unsigned     surf0,
1870    unsigned     surf1
1871)
1872{
1873    RivaSurface __iomem *Surface =
1874	(RivaSurface __iomem *)&(chip->FIFO[0x0000E000/4]);
1875
1876    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000003);
1877    NV_WR32(&Surface->Offset, 0, surf0);
1878    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000004);
1879    NV_WR32(&Surface->Offset, 0, surf1);
1880    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000014);
1881}
1882static void nv3SetSurfaces3D
1883(
1884    RIVA_HW_INST *chip,
1885    unsigned     surf0,
1886    unsigned     surf1
1887)
1888{
1889    RivaSurface __iomem *Surface =
1890	(RivaSurface __iomem *)&(chip->FIFO[0x0000E000/4]);
1891
1892    RIVA_FIFO_FREE(*chip,Tri03,5);
1893    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000005);
1894    NV_WR32(&Surface->Offset, 0, surf0);
1895    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000006);
1896    NV_WR32(&Surface->Offset, 0, surf1);
1897    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000013);
1898}
1899static void nv4SetSurfaces3D
1900(
1901    RIVA_HW_INST *chip,
1902    unsigned     surf0,
1903    unsigned     surf1
1904)
1905{
1906    RivaSurface __iomem *Surface =
1907	(RivaSurface __iomem *)&(chip->FIFO[0x0000E000/4]);
1908
1909    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000005);
1910    NV_WR32(&Surface->Offset, 0, surf0);
1911    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000006);
1912    NV_WR32(&Surface->Offset, 0, surf1);
1913    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000014);
1914}
1915static void nv10SetSurfaces3D
1916(
1917    RIVA_HW_INST *chip,
1918    unsigned     surf0,
1919    unsigned     surf1
1920)
1921{
1922    RivaSurface3D __iomem *Surfaces3D =
1923	(RivaSurface3D __iomem *)&(chip->FIFO[0x0000E000/4]);
1924
1925    RIVA_FIFO_FREE(*chip,Tri03,4);
1926    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000007);
1927    NV_WR32(&Surfaces3D->RenderBufferOffset, 0, surf0);
1928    NV_WR32(&Surfaces3D->ZBufferOffset, 0, surf1);
1929    NV_WR32(&chip->FIFO[0x00003800], 0, 0x80000014);
1930}
1931
1932/****************************************************************************\
1933*                                                                            *
1934*                      Probe RIVA Chip Configuration                         *
1935*                                                                            *
1936\****************************************************************************/
1937
1938static void nv3GetConfig
1939(
1940    RIVA_HW_INST *chip
1941)
1942{
1943    /*
1944     * Fill in chip configuration.
1945     */
1946    if (NV_RD32(&chip->PFB[0x00000000/4], 0) & 0x00000020)
1947    {
1948        if (((NV_RD32(chip->PMC, 0x00000000) & 0xF0) == 0x20)
1949         && ((NV_RD32(chip->PMC, 0x00000000) & 0x0F) >= 0x02))
1950        {
1951            /*
1952             * SDRAM 128 ZX.
1953             */
1954            chip->RamBandwidthKBytesPerSec = 800000;
1955            switch (NV_RD32(chip->PFB, 0x00000000) & 0x03)
1956            {
1957                case 2:
1958                    chip->RamAmountKBytes = 1024 * 4;
1959                    break;
1960                case 1:
1961                    chip->RamAmountKBytes = 1024 * 2;
1962                    break;
1963                default:
1964                    chip->RamAmountKBytes = 1024 * 8;
1965                    break;
1966            }
1967        }
1968        else
1969        {
1970            chip->RamBandwidthKBytesPerSec = 1000000;
1971            chip->RamAmountKBytes          = 1024 * 8;
1972        }
1973    }
1974    else
1975    {
1976        /*
1977         * SGRAM 128.
1978         */
1979        chip->RamBandwidthKBytesPerSec = 1000000;
1980        switch (NV_RD32(chip->PFB, 0x00000000) & 0x00000003)
1981        {
1982            case 0:
1983                chip->RamAmountKBytes = 1024 * 8;
1984                break;
1985            case 2:
1986                chip->RamAmountKBytes = 1024 * 4;
1987                break;
1988            default:
1989                chip->RamAmountKBytes = 1024 * 2;
1990                break;
1991        }
1992    }
1993    chip->CrystalFreqKHz   = (NV_RD32(chip->PEXTDEV, 0x00000000) & 0x00000040) ? 14318 : 13500;
1994    chip->CURSOR           = &(chip->PRAMIN[0x00008000/4 - 0x0800/4]);
1995    chip->VBlankBit        = 0x00000100;
1996    chip->MaxVClockFreqKHz = 256000;
1997    /*
1998     * Set chip functions.
1999     */
2000    chip->Busy            = nv3Busy;
2001    chip->ShowHideCursor  = ShowHideCursor;
2002    chip->LoadStateExt    = LoadStateExt;
2003    chip->UnloadStateExt  = UnloadStateExt;
2004    chip->SetStartAddress = SetStartAddress3;
2005    chip->SetSurfaces2D   = nv3SetSurfaces2D;
2006    chip->SetSurfaces3D   = nv3SetSurfaces3D;
2007    chip->LockUnlock      = nv3LockUnlock;
2008}
2009static void nv4GetConfig
2010(
2011    RIVA_HW_INST *chip
2012)
2013{
2014    /*
2015     * Fill in chip configuration.
2016     */
2017    if (NV_RD32(chip->PFB, 0x00000000) & 0x00000100)
2018    {
2019        chip->RamAmountKBytes = ((NV_RD32(chip->PFB, 0x00000000) >> 12) & 0x0F) * 1024 * 2
2020                              + 1024 * 2;
2021    }
2022    else
2023    {
2024        switch (NV_RD32(chip->PFB, 0x00000000) & 0x00000003)
2025        {
2026            case 0:
2027                chip->RamAmountKBytes = 1024 * 32;
2028                break;
2029            case 1:
2030                chip->RamAmountKBytes = 1024 * 4;
2031                break;
2032            case 2:
2033                chip->RamAmountKBytes = 1024 * 8;
2034                break;
2035            case 3:
2036            default:
2037                chip->RamAmountKBytes = 1024 * 16;
2038                break;
2039        }
2040    }
2041    switch ((NV_RD32(chip->PFB, 0x00000000) >> 3) & 0x00000003)
2042    {
2043        case 3:
2044            chip->RamBandwidthKBytesPerSec = 800000;
2045            break;
2046        default:
2047            chip->RamBandwidthKBytesPerSec = 1000000;
2048            break;
2049    }
2050    chip->CrystalFreqKHz   = (NV_RD32(chip->PEXTDEV, 0x00000000) & 0x00000040) ? 14318 : 13500;
2051    chip->CURSOR           = &(chip->PRAMIN[0x00010000/4 - 0x0800/4]);
2052    chip->VBlankBit        = 0x00000001;
2053    chip->MaxVClockFreqKHz = 350000;
2054    /*
2055     * Set chip functions.
2056     */
2057    chip->Busy            = nv4Busy;
2058    chip->ShowHideCursor  = ShowHideCursor;
2059    chip->LoadStateExt    = LoadStateExt;
2060    chip->UnloadStateExt  = UnloadStateExt;
2061    chip->SetStartAddress = SetStartAddress;
2062    chip->SetSurfaces2D   = nv4SetSurfaces2D;
2063    chip->SetSurfaces3D   = nv4SetSurfaces3D;
2064    chip->LockUnlock      = nv4LockUnlock;
2065}
2066static void nv10GetConfig
2067(
2068    RIVA_HW_INST *chip,
2069    struct pci_dev *pdev,
2070    unsigned int chipset
2071)
2072{
2073    struct pci_dev* dev;
2074    int domain = pci_domain_nr(pdev->bus);
2075    u32 amt;
2076
2077#ifdef __BIG_ENDIAN
2078    /* turn on big endian register access */
2079    if(!(NV_RD32(chip->PMC, 0x00000004) & 0x01000001))
2080    	NV_WR32(chip->PMC, 0x00000004, 0x01000001);
2081#endif
2082
2083    /*
2084     * Fill in chip configuration.
2085     */
2086    if(chipset == NV_CHIP_IGEFORCE2) {
2087        dev = pci_get_domain_bus_and_slot(domain, 0, 1);
2088        pci_read_config_dword(dev, 0x7C, &amt);
2089        pci_dev_put(dev);
2090        chip->RamAmountKBytes = (((amt >> 6) & 31) + 1) * 1024;
2091    } else if(chipset == NV_CHIP_0x01F0) {
2092        dev = pci_get_domain_bus_and_slot(domain, 0, 1);
2093        pci_read_config_dword(dev, 0x84, &amt);
2094        pci_dev_put(dev);
2095        chip->RamAmountKBytes = (((amt >> 4) & 127) + 1) * 1024;
2096    } else {
2097        switch ((NV_RD32(chip->PFB, 0x0000020C) >> 20) & 0x000000FF)
2098        {
2099            case 0x02:
2100                chip->RamAmountKBytes = 1024 * 2;
2101                break;
2102            case 0x04:
2103                chip->RamAmountKBytes = 1024 * 4;
2104                break;
2105            case 0x08:
2106                chip->RamAmountKBytes = 1024 * 8;
2107                break;
2108            case 0x10:
2109                chip->RamAmountKBytes = 1024 * 16;
2110                break;
2111            case 0x20:
2112                chip->RamAmountKBytes = 1024 * 32;
2113                break;
2114            case 0x40:
2115                chip->RamAmountKBytes = 1024 * 64;
2116                break;
2117            case 0x80:
2118                chip->RamAmountKBytes = 1024 * 128;
2119                break;
2120            default:
2121                chip->RamAmountKBytes = 1024 * 16;
2122                break;
2123        }
2124    }
2125    switch ((NV_RD32(chip->PFB, 0x00000000) >> 3) & 0x00000003)
2126    {
2127        case 3:
2128            chip->RamBandwidthKBytesPerSec = 800000;
2129            break;
2130        default:
2131            chip->RamBandwidthKBytesPerSec = 1000000;
2132            break;
2133    }
2134    chip->CrystalFreqKHz = (NV_RD32(chip->PEXTDEV, 0x0000) & (1 << 6)) ?
2135	14318 : 13500;
2136
2137    switch (chipset & 0x0ff0) {
2138    case 0x0170:
2139    case 0x0180:
2140    case 0x01F0:
2141    case 0x0250:
2142    case 0x0280:
2143    case 0x0300:
2144    case 0x0310:
2145    case 0x0320:
2146    case 0x0330:
2147    case 0x0340:
2148       if(NV_RD32(chip->PEXTDEV, 0x0000) & (1 << 22))
2149           chip->CrystalFreqKHz = 27000;
2150       break;
2151    default:
2152       break;
2153    }
2154
2155    chip->CursorStart      = (chip->RamAmountKBytes - 128) * 1024;
2156    chip->CURSOR           = NULL;  /* can't set this here */
2157    chip->VBlankBit        = 0x00000001;
2158    chip->MaxVClockFreqKHz = 350000;
2159    /*
2160     * Set chip functions.
2161     */
2162    chip->Busy            = nv10Busy;
2163    chip->ShowHideCursor  = ShowHideCursor;
2164    chip->LoadStateExt    = LoadStateExt;
2165    chip->UnloadStateExt  = UnloadStateExt;
2166    chip->SetStartAddress = SetStartAddress;
2167    chip->SetSurfaces2D   = nv10SetSurfaces2D;
2168    chip->SetSurfaces3D   = nv10SetSurfaces3D;
2169    chip->LockUnlock      = nv4LockUnlock;
2170
2171    switch(chipset & 0x0ff0) {
2172    case 0x0110:
2173    case 0x0170:
2174    case 0x0180:
2175    case 0x01F0:
2176    case 0x0250:
2177    case 0x0280:
2178    case 0x0300:
2179    case 0x0310:
2180    case 0x0320:
2181    case 0x0330:
2182    case 0x0340:
2183        chip->twoHeads = TRUE;
2184        break;
2185    default:
2186        chip->twoHeads = FALSE;
2187        break;
2188    }
2189}
2190int RivaGetConfig
2191(
2192    RIVA_HW_INST *chip,
2193    struct pci_dev *pdev,
2194    unsigned int chipset
2195)
2196{
2197    /*
2198     * Save this so future SW know whats it's dealing with.
2199     */
2200    chip->Version = RIVA_SW_VERSION;
2201    /*
2202     * Chip specific configuration.
2203     */
2204    switch (chip->Architecture)
2205    {
2206        case NV_ARCH_03:
2207            nv3GetConfig(chip);
2208            break;
2209        case NV_ARCH_04:
2210            nv4GetConfig(chip);
2211            break;
2212        case NV_ARCH_10:
2213        case NV_ARCH_20:
2214        case NV_ARCH_30:
2215            nv10GetConfig(chip, pdev, chipset);
2216            break;
2217        default:
2218            return (-1);
2219    }
2220    chip->Chipset = chipset;
2221    /*
2222     * Fill in FIFO pointers.
2223     */
2224    chip->Rop    = (RivaRop __iomem         *)&(chip->FIFO[0x00000000/4]);
2225    chip->Clip   = (RivaClip __iomem        *)&(chip->FIFO[0x00002000/4]);
2226    chip->Patt   = (RivaPattern __iomem     *)&(chip->FIFO[0x00004000/4]);
2227    chip->Pixmap = (RivaPixmap __iomem      *)&(chip->FIFO[0x00006000/4]);
2228    chip->Blt    = (RivaScreenBlt __iomem   *)&(chip->FIFO[0x00008000/4]);
2229    chip->Bitmap = (RivaBitmap __iomem      *)&(chip->FIFO[0x0000A000/4]);
2230    chip->Line   = (RivaLine __iomem        *)&(chip->FIFO[0x0000C000/4]);
2231    chip->Tri03  = (RivaTexturedTriangle03 __iomem *)&(chip->FIFO[0x0000E000/4]);
2232    return (0);
2233}
2234
2235