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diff --git a/src/riva_hw.c b/src/riva_hw.c
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+ /***************************************************************************\
+|* *|
+|* Copyright 1993-1999 NVIDIA, Corporation. All rights reserved. *|
+|* *|
+|* NOTICE TO USER: The source code is copyrighted under U.S. and *|
+|* international laws. Users and possessors of this source code are *|
+|* hereby granted a nonexclusive, royalty-free copyright license to *|
+|* use this code in individual and commercial software. *|
+|* *|
+|* Any use of this source code must include, in the user documenta- *|
+|* tion and internal comments to the code, notices to the end user *|
+|* as follows: *|
+|* *|
+|* Copyright 1993-1999 NVIDIA, Corporation. All rights reserved. *|
+|* *|
+|* NVIDIA, CORPORATION MAKES NO REPRESENTATION ABOUT THE SUITABILITY *|
+|* OF THIS SOURCE CODE FOR ANY PURPOSE. IT IS PROVIDED "AS IS" *|
+|* WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND. NVIDIA, CORPOR- *|
+|* ATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOURCE CODE, *|
+|* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGE- *|
+|* MENT, AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL *|
+|* NVIDIA, CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT, INCI- *|
+|* DENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RE- *|
+|* SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION *|
+|* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF *|
+|* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOURCE CODE. *|
+|* *|
+|* U.S. Government End Users. This source code is a "commercial *|
+|* item," as that term is defined at 48 C.F.R. 2.101 (OCT 1995), *|
+|* consisting of "commercial computer software" and "commercial *|
+|* computer software documentation," as such terms are used in *|
+|* 48 C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Govern- *|
+|* ment only as a commercial end item. Consistent with 48 C.F.R. *|
+|* 12.212 and 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), *|
+|* all U.S. Government End Users acquire the source code with only *|
+|* those rights set forth herein. *|
+|* *|
+ \***************************************************************************/
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/riva_hw.c,v 1.47 2003/02/10 23:42:51 mvojkovi Exp $ */
+
+#include "nv_local.h"
+#include "compiler.h"
+#include "nv_include.h"
+#include "riva_hw.h"
+#include "riva_tbl.h"
+
+/*
+ * This file is an OS-agnostic file used to make RIVA 128 and RIVA TNT
+ * operate identically (except TNT has more memory and better 3D quality.
+ */
+static int nv3Busy
+(
+ RIVA_HW_INST *chip
+)
+{
+ return ((chip->Rop->FifoFree < chip->FifoEmptyCount) || (chip->PGRAPH[0x000006B0/4] & 0x01));
+}
+static int nv4Busy
+(
+ RIVA_HW_INST *chip
+)
+{
+ return ((chip->Rop->FifoFree < chip->FifoEmptyCount) || (chip->PGRAPH[0x00000700/4] & 0x01));
+}
+static int nv10Busy
+(
+ RIVA_HW_INST *chip
+)
+{
+ return ((chip->Rop->FifoFree < chip->FifoEmptyCount) || (chip->PGRAPH[0x00000700/4] & 0x01));
+}
+static void vgaLockUnlock
+(
+ RIVA_HW_INST *chip,
+ Bool Lock
+)
+{
+ CARD8 cr11;
+ VGA_WR08(chip->PCIO, 0x3D4, 0x11);
+ cr11 = VGA_RD08(chip->PCIO, 0x3D5);
+ if(Lock) cr11 |= 0x80;
+ else cr11 &= ~0x80;
+ VGA_WR08(chip->PCIO, 0x3D5, cr11);
+}
+
+static void nv3LockUnlock
+(
+ RIVA_HW_INST *chip,
+ Bool Lock
+)
+{
+ VGA_WR08(chip->PVIO, 0x3C4, 0x06);
+ VGA_WR08(chip->PVIO, 0x3C5, Lock ? 0x99 : 0x57);
+ vgaLockUnlock(chip, Lock);
+}
+static void nv4LockUnlock
+(
+ RIVA_HW_INST *chip,
+ Bool Lock
+)
+{
+ VGA_WR08(chip->PCIO, 0x3D4, 0x1F);
+ VGA_WR08(chip->PCIO, 0x3D5, Lock ? 0x99 : 0x57);
+ vgaLockUnlock(chip, Lock);
+}
+static int ShowHideCursor
+(
+ RIVA_HW_INST *chip,
+ int ShowHide
+)
+{
+ int current;
+ current = chip->CurrentState->cursor1;
+ chip->CurrentState->cursor1 = (chip->CurrentState->cursor1 & 0xFE) |
+ (ShowHide & 0x01);
+ VGA_WR08(chip->PCIO, 0x3D4, 0x31);
+ VGA_WR08(chip->PCIO, 0x3D5, chip->CurrentState->cursor1);
+ return (current & 0x01);
+}
+
+/****************************************************************************\
+* *
+* The video arbitration routines calculate some "magic" numbers. Fixes *
+* the snow seen when accessing the framebuffer without it. *
+* It just works (I hope). *
+* *
+\****************************************************************************/
+
+#define DEFAULT_GR_LWM 100
+#define DEFAULT_VID_LWM 100
+#define DEFAULT_GR_BURST_SIZE 256
+#define DEFAULT_VID_BURST_SIZE 128
+#define VIDEO 0
+#define GRAPHICS 1
+#define MPORT 2
+#define ENGINE 3
+#define GFIFO_SIZE 320
+#define GFIFO_SIZE_128 256
+#define MFIFO_SIZE 120
+#define VFIFO_SIZE 256
+#define ABS(a) (a>0?a:-a)
+typedef struct {
+ int gdrain_rate;
+ int vdrain_rate;
+ int mdrain_rate;
+ int gburst_size;
+ int vburst_size;
+ char vid_en;
+ char gr_en;
+ int wcmocc, wcgocc, wcvocc, wcvlwm, wcglwm;
+ int by_gfacc;
+ char vid_only_once;
+ char gr_only_once;
+ char first_vacc;
+ char first_gacc;
+ char first_macc;
+ int vocc;
+ int gocc;
+ int mocc;
+ char cur;
+ char engine_en;
+ char converged;
+ int priority;
+} nv3_arb_info;
+typedef struct {
+ int graphics_lwm;
+ int video_lwm;
+ int graphics_burst_size;
+ int video_burst_size;
+ int graphics_hi_priority;
+ int media_hi_priority;
+ int rtl_values;
+ int valid;
+} nv3_fifo_info;
+typedef struct {
+ char pix_bpp;
+ char enable_video;
+ char gr_during_vid;
+ char enable_mp;
+ int memory_width;
+ int video_scale;
+ int pclk_khz;
+ int mclk_khz;
+ int mem_page_miss;
+ int mem_latency;
+ char mem_aligned;
+} nv3_sim_state;
+typedef struct {
+ int graphics_lwm;
+ int video_lwm;
+ int graphics_burst_size;
+ int video_burst_size;
+ int valid;
+} nv4_fifo_info;
+typedef struct {
+ int pclk_khz;
+ int mclk_khz;
+ int nvclk_khz;
+ char mem_page_miss;
+ char mem_latency;
+ int memory_width;
+ char enable_video;
+ char gr_during_vid;
+ char pix_bpp;
+ char mem_aligned;
+ char enable_mp;
+} nv4_sim_state;
+typedef struct {
+ int graphics_lwm;
+ int video_lwm;
+ int graphics_burst_size;
+ int video_burst_size;
+ int valid;
+} nv10_fifo_info;
+typedef struct {
+ int pclk_khz;
+ int mclk_khz;
+ int nvclk_khz;
+ char mem_page_miss;
+ char mem_latency;
+ int memory_type;
+ int memory_width;
+ char enable_video;
+ char gr_during_vid;
+ char pix_bpp;
+ char mem_aligned;
+ char enable_mp;
+} nv10_sim_state;
+static int nv3_iterate(nv3_fifo_info *res_info, nv3_sim_state * state, nv3_arb_info *ainfo)
+{
+ int iter = 0;
+ int tmp;
+ int vfsize, mfsize, gfsize;
+ int mburst_size = 32;
+ int mmisses, gmisses, vmisses;
+ int misses;
+ int vlwm, glwm, mlwm;
+ int last, next, cur;
+ int max_gfsize ;
+ long ns;
+
+ vlwm = 0;
+ glwm = 0;
+ mlwm = 0;
+ vfsize = 0;
+ gfsize = 0;
+ cur = ainfo->cur;
+ mmisses = 2;
+ gmisses = 2;
+ vmisses = 2;
+ if (ainfo->gburst_size == 128) max_gfsize = GFIFO_SIZE_128;
+ else max_gfsize = GFIFO_SIZE;
+ max_gfsize = GFIFO_SIZE;
+ while (1)
+ {
+ if (ainfo->vid_en)
+ {
+ if (ainfo->wcvocc > ainfo->vocc) ainfo->wcvocc = ainfo->vocc;
+ if (ainfo->wcvlwm > vlwm) ainfo->wcvlwm = vlwm ;
+ ns = 1000000 * ainfo->vburst_size/(state->memory_width/8)/state->mclk_khz;
+ vfsize = ns * ainfo->vdrain_rate / 1000000;
+ vfsize = ainfo->wcvlwm - ainfo->vburst_size + vfsize;
+ }
+ if (state->enable_mp)
+ {
+ if (ainfo->wcmocc > ainfo->mocc) ainfo->wcmocc = ainfo->mocc;
+ }
+ if (ainfo->gr_en)
+ {
+ if (ainfo->wcglwm > glwm) ainfo->wcglwm = glwm ;
+ if (ainfo->wcgocc > ainfo->gocc) ainfo->wcgocc = ainfo->gocc;
+ ns = 1000000 * (ainfo->gburst_size/(state->memory_width/8))/state->mclk_khz;
+ gfsize = (ns * (long) ainfo->gdrain_rate)/1000000;
+ gfsize = ainfo->wcglwm - ainfo->gburst_size + gfsize;
+ }
+ mfsize = 0;
+ if (!state->gr_during_vid && ainfo->vid_en)
+ if (ainfo->vid_en && (ainfo->vocc < 0) && !ainfo->vid_only_once)
+ next = VIDEO;
+ else if (ainfo->mocc < 0)
+ next = MPORT;
+ else if (ainfo->gocc< ainfo->by_gfacc)
+ next = GRAPHICS;
+ else return (0);
+ else switch (ainfo->priority)
+ {
+ case VIDEO:
+ if (ainfo->vid_en && ainfo->vocc<0 && !ainfo->vid_only_once)
+ next = VIDEO;
+ else if (ainfo->gr_en && ainfo->gocc<0 && !ainfo->gr_only_once)
+ next = GRAPHICS;
+ else if (ainfo->mocc<0)
+ next = MPORT;
+ else return (0);
+ break;
+ case GRAPHICS:
+ if (ainfo->gr_en && ainfo->gocc<0 && !ainfo->gr_only_once)
+ next = GRAPHICS;
+ else if (ainfo->vid_en && ainfo->vocc<0 && !ainfo->vid_only_once)
+ next = VIDEO;
+ else if (ainfo->mocc<0)
+ next = MPORT;
+ else return (0);
+ break;
+ default:
+ if (ainfo->mocc<0)
+ next = MPORT;
+ else if (ainfo->gr_en && ainfo->gocc<0 && !ainfo->gr_only_once)
+ next = GRAPHICS;
+ else if (ainfo->vid_en && ainfo->vocc<0 && !ainfo->vid_only_once)
+ next = VIDEO;
+ else return (0);
+ break;
+ }
+ last = cur;
+ cur = next;
+ iter++;
+ switch (cur)
+ {
+ case VIDEO:
+ if (last==cur) misses = 0;
+ else if (ainfo->first_vacc) misses = vmisses;
+ else misses = 1;
+ ainfo->first_vacc = 0;
+ if (last!=cur)
+ {
+ ns = 1000000 * (vmisses*state->mem_page_miss + state->mem_latency)/state->mclk_khz;
+ vlwm = ns * ainfo->vdrain_rate/ 1000000;
+ vlwm = ainfo->vocc - vlwm;
+ }
+ ns = 1000000*(misses*state->mem_page_miss + ainfo->vburst_size)/(state->memory_width/8)/state->mclk_khz;
+ ainfo->vocc = ainfo->vocc + ainfo->vburst_size - ns*ainfo->vdrain_rate/1000000;
+ ainfo->gocc = ainfo->gocc - ns*ainfo->gdrain_rate/1000000;
+ ainfo->mocc = ainfo->mocc - ns*ainfo->mdrain_rate/1000000;
+ break;
+ case GRAPHICS:
+ if (last==cur) misses = 0;
+ else if (ainfo->first_gacc) misses = gmisses;
+ else misses = 1;
+ ainfo->first_gacc = 0;
+ if (last!=cur)
+ {
+ ns = 1000000*(gmisses*state->mem_page_miss + state->mem_latency)/state->mclk_khz ;
+ glwm = ns * ainfo->gdrain_rate/1000000;
+ glwm = ainfo->gocc - glwm;
+ }
+ ns = 1000000*(misses*state->mem_page_miss + ainfo->gburst_size/(state->memory_width/8))/state->mclk_khz;
+ ainfo->vocc = ainfo->vocc + 0 - ns*ainfo->vdrain_rate/1000000;
+ ainfo->gocc = ainfo->gocc + ainfo->gburst_size - ns*ainfo->gdrain_rate/1000000;
+ ainfo->mocc = ainfo->mocc + 0 - ns*ainfo->mdrain_rate/1000000;
+ break;
+ default:
+ if (last==cur) misses = 0;
+ else if (ainfo->first_macc) misses = mmisses;
+ else misses = 1;
+ ainfo->first_macc = 0;
+ ns = 1000000*(misses*state->mem_page_miss + mburst_size/(state->memory_width/8))/state->mclk_khz;
+ ainfo->vocc = ainfo->vocc + 0 - ns*ainfo->vdrain_rate/1000000;
+ ainfo->gocc = ainfo->gocc + 0 - ns*ainfo->gdrain_rate/1000000;
+ ainfo->mocc = ainfo->mocc + mburst_size - ns*ainfo->mdrain_rate/1000000;
+ break;
+ }
+ if (iter>100)
+ {
+ ainfo->converged = 0;
+ return (1);
+ }
+ ns = 1000000*ainfo->gburst_size/(state->memory_width/8)/state->mclk_khz;
+ tmp = ns * ainfo->gdrain_rate/1000000;
+ if (ABS(ainfo->gburst_size) + ((ABS(ainfo->wcglwm) + 16 ) & ~0x7) - tmp > max_gfsize)
+ {
+ ainfo->converged = 0;
+ return (1);
+ }
+ ns = 1000000*ainfo->vburst_size/(state->memory_width/8)/state->mclk_khz;
+ tmp = ns * ainfo->vdrain_rate/1000000;
+ if (ABS(ainfo->vburst_size) + (ABS(ainfo->wcvlwm + 32) & ~0xf) - tmp> VFIFO_SIZE)
+ {
+ ainfo->converged = 0;
+ return (1);
+ }
+ if (ABS(ainfo->gocc) > max_gfsize)
+ {
+ ainfo->converged = 0;
+ return (1);
+ }
+ if (ABS(ainfo->vocc) > VFIFO_SIZE)
+ {
+ ainfo->converged = 0;
+ return (1);
+ }
+ if (ABS(ainfo->mocc) > MFIFO_SIZE)
+ {
+ ainfo->converged = 0;
+ return (1);
+ }
+ if (ABS(vfsize) > VFIFO_SIZE)
+ {
+ ainfo->converged = 0;
+ return (1);
+ }
+ if (ABS(gfsize) > max_gfsize)
+ {
+ ainfo->converged = 0;
+ return (1);
+ }
+ if (ABS(mfsize) > MFIFO_SIZE)
+ {
+ ainfo->converged = 0;
+ return (1);
+ }
+ }
+}
+static char nv3_arb(nv3_fifo_info * res_info, nv3_sim_state * state, nv3_arb_info *ainfo)
+{
+ long ens, vns, mns, gns;
+ int mmisses, gmisses, vmisses, eburst_size, mburst_size;
+ int refresh_cycle;
+
+ refresh_cycle = 0;
+ refresh_cycle = 2*(state->mclk_khz/state->pclk_khz) + 5;
+ mmisses = 2;
+ if (state->mem_aligned) gmisses = 2;
+ else gmisses = 3;
+ vmisses = 2;
+ eburst_size = state->memory_width * 1;
+ mburst_size = 32;
+ gns = 1000000 * (gmisses*state->mem_page_miss + state->mem_latency)/state->mclk_khz;
+ ainfo->by_gfacc = gns*ainfo->gdrain_rate/1000000;
+ ainfo->wcmocc = 0;
+ ainfo->wcgocc = 0;
+ ainfo->wcvocc = 0;
+ ainfo->wcvlwm = 0;
+ ainfo->wcglwm = 0;
+ ainfo->engine_en = 1;
+ ainfo->converged = 1;
+ if (ainfo->engine_en)
+ {
+ ens = 1000000*(state->mem_page_miss + eburst_size/(state->memory_width/8) +refresh_cycle)/state->mclk_khz;
+ ainfo->mocc = state->enable_mp ? 0-ens*ainfo->mdrain_rate/1000000 : 0;
+ ainfo->vocc = ainfo->vid_en ? 0-ens*ainfo->vdrain_rate/1000000 : 0;
+ ainfo->gocc = ainfo->gr_en ? 0-ens*ainfo->gdrain_rate/1000000 : 0;
+ ainfo->cur = ENGINE;
+ ainfo->first_vacc = 1;
+ ainfo->first_gacc = 1;
+ ainfo->first_macc = 1;
+ nv3_iterate(res_info, state,ainfo);
+ }
+ if (state->enable_mp)
+ {
+ mns = 1000000 * (mmisses*state->mem_page_miss + mburst_size/(state->memory_width/8) + refresh_cycle)/state->mclk_khz;
+ ainfo->mocc = state->enable_mp ? 0 : mburst_size - mns*ainfo->mdrain_rate/1000000;
+ ainfo->vocc = ainfo->vid_en ? 0 : 0- mns*ainfo->vdrain_rate/1000000;
+ ainfo->gocc = ainfo->gr_en ? 0: 0- mns*ainfo->gdrain_rate/1000000;
+ ainfo->cur = MPORT;
+ ainfo->first_vacc = 1;
+ ainfo->first_gacc = 1;
+ ainfo->first_macc = 0;
+ nv3_iterate(res_info, state,ainfo);
+ }
+ if (ainfo->gr_en)
+ {
+ ainfo->first_vacc = 1;
+ ainfo->first_gacc = 0;
+ ainfo->first_macc = 1;
+ gns = 1000000*(gmisses*state->mem_page_miss + ainfo->gburst_size/(state->memory_width/8) + refresh_cycle)/state->mclk_khz;
+ ainfo->gocc = ainfo->gburst_size - gns*ainfo->gdrain_rate/1000000;
+ ainfo->vocc = ainfo->vid_en? 0-gns*ainfo->vdrain_rate/1000000 : 0;
+ ainfo->mocc = state->enable_mp ? 0-gns*ainfo->mdrain_rate/1000000: 0;
+ ainfo->cur = GRAPHICS;
+ nv3_iterate(res_info, state,ainfo);
+ }
+ if (ainfo->vid_en)
+ {
+ ainfo->first_vacc = 0;
+ ainfo->first_gacc = 1;
+ ainfo->first_macc = 1;
+ vns = 1000000*(vmisses*state->mem_page_miss + ainfo->vburst_size/(state->memory_width/8) + refresh_cycle)/state->mclk_khz;
+ ainfo->vocc = ainfo->vburst_size - vns*ainfo->vdrain_rate/1000000;
+ ainfo->gocc = ainfo->gr_en? (0-vns*ainfo->gdrain_rate/1000000) : 0;
+ ainfo->mocc = state->enable_mp? 0-vns*ainfo->mdrain_rate/1000000 :0 ;
+ ainfo->cur = VIDEO;
+ nv3_iterate(res_info, state, ainfo);
+ }
+ if (ainfo->converged)
+ {
+ res_info->graphics_lwm = (int)ABS(ainfo->wcglwm) + 16;
+ res_info->video_lwm = (int)ABS(ainfo->wcvlwm) + 32;
+ res_info->graphics_burst_size = ainfo->gburst_size;
+ res_info->video_burst_size = ainfo->vburst_size;
+ res_info->graphics_hi_priority = (ainfo->priority == GRAPHICS);
+ res_info->media_hi_priority = (ainfo->priority == MPORT);
+ if (res_info->video_lwm > 160)
+ {
+ res_info->graphics_lwm = 256;
+ res_info->video_lwm = 128;
+ res_info->graphics_burst_size = 64;
+ res_info->video_burst_size = 64;
+ res_info->graphics_hi_priority = 0;
+ res_info->media_hi_priority = 0;
+ ainfo->converged = 0;
+ return (0);
+ }
+ if (res_info->video_lwm > 128)
+ {
+ res_info->video_lwm = 128;
+ }
+ return (1);
+ }
+ else
+ {
+ res_info->graphics_lwm = 256;
+ res_info->video_lwm = 128;
+ res_info->graphics_burst_size = 64;
+ res_info->video_burst_size = 64;
+ res_info->graphics_hi_priority = 0;
+ res_info->media_hi_priority = 0;
+ return (0);
+ }
+}
+static char nv3_get_param(nv3_fifo_info *res_info, nv3_sim_state * state, nv3_arb_info *ainfo)
+{
+ int done, g,v, p;
+
+ done = 0;
+ for (p=0; p < 2; p++)
+ {
+ for (g=128 ; g > 32; g= g>> 1)
+ {
+ for (v=128; v >=32; v = v>> 1)
+ {
+ ainfo->priority = p;
+ ainfo->gburst_size = g;
+ ainfo->vburst_size = v;
+ done = nv3_arb(res_info, state,ainfo);
+ if (done && (g==128))
+ if ((res_info->graphics_lwm + g) > 256)
+ done = 0;
+ if (done)
+ goto Done;
+ }
+ }
+ }
+
+ Done:
+ return done;
+}
+static void nv3CalcArbitration
+(
+ nv3_fifo_info * res_info,
+ nv3_sim_state * state
+)
+{
+ nv3_fifo_info save_info;
+ nv3_arb_info ainfo;
+ char res_gr, res_vid;
+
+ ainfo.gr_en = 1;
+ ainfo.vid_en = state->enable_video;
+ ainfo.vid_only_once = 0;
+ ainfo.gr_only_once = 0;
+ ainfo.gdrain_rate = (int) state->pclk_khz * (state->pix_bpp/8);
+ ainfo.vdrain_rate = (int) state->pclk_khz * 2;
+ if (state->video_scale != 0)
+ ainfo.vdrain_rate = ainfo.vdrain_rate/state->video_scale;
+ ainfo.mdrain_rate = 33000;
+ res_info->rtl_values = 0;
+ if (!state->gr_during_vid && state->enable_video)
+ {
+ ainfo.gr_only_once = 1;
+ ainfo.gr_en = 1;
+ ainfo.gdrain_rate = 0;
+ res_vid = nv3_get_param(res_info, state, &ainfo);
+ res_vid = ainfo.converged;
+ save_info.video_lwm = res_info->video_lwm;
+ save_info.video_burst_size = res_info->video_burst_size;
+ ainfo.vid_en = 1;
+ ainfo.vid_only_once = 1;
+ ainfo.gr_en = 1;
+ ainfo.gdrain_rate = (int) state->pclk_khz * (state->pix_bpp/8);
+ ainfo.vdrain_rate = 0;
+ res_gr = nv3_get_param(res_info, state, &ainfo);
+ res_gr = ainfo.converged;
+ res_info->video_lwm = save_info.video_lwm;
+ res_info->video_burst_size = save_info.video_burst_size;
+ res_info->valid = res_gr & res_vid;
+ }
+ else
+ {
+ if (!ainfo.gr_en) ainfo.gdrain_rate = 0;
+ if (!ainfo.vid_en) ainfo.vdrain_rate = 0;
+ res_gr = nv3_get_param(res_info, state, &ainfo);
+ res_info->valid = ainfo.converged;
+ }
+}
+static void nv3UpdateArbitrationSettings
+(
+ unsigned VClk,
+ unsigned pixelDepth,
+ unsigned *burst,
+ unsigned *lwm,
+ RIVA_HW_INST *chip
+)
+{
+ nv3_fifo_info fifo_data;
+ nv3_sim_state sim_data;
+ unsigned int M, N, P, pll, MClk;
+
+ pll = chip->PRAMDAC0[0x00000504/4];
+ M = (pll >> 0) & 0xFF; N = (pll >> 8) & 0xFF; P = (pll >> 16) & 0x0F;
+ MClk = (N * chip->CrystalFreqKHz / M) >> P;
+ sim_data.pix_bpp = (char)pixelDepth;
+ sim_data.enable_video = 0;
+ sim_data.enable_mp = 0;
+ sim_data.video_scale = 1;
+ sim_data.memory_width = (chip->PEXTDEV[0x00000000/4] & 0x10) ? 128 : 64;
+ sim_data.memory_width = 128;
+
+ sim_data.mem_latency = 9;
+ sim_data.mem_aligned = 1;
+ sim_data.mem_page_miss = 11;
+ sim_data.gr_during_vid = 0;
+ sim_data.pclk_khz = VClk;
+ sim_data.mclk_khz = MClk;
+ nv3CalcArbitration(&fifo_data, &sim_data);
+ if (fifo_data.valid)
+ {
+ int b = fifo_data.graphics_burst_size >> 4;
+ *burst = 0;
+ while (b >>= 1) (*burst)++;
+ *lwm = fifo_data.graphics_lwm >> 3;
+ }
+ else
+ {
+ *lwm = 0x24;
+ *burst = 0x2;
+ }
+}
+static void nv4CalcArbitration
+(
+ nv4_fifo_info *fifo,
+ nv4_sim_state *arb
+)
+{
+ int data, pagemiss, cas,width, video_enable, color_key_enable, bpp, align;
+ int nvclks, mclks, pclks, vpagemiss, crtpagemiss, vbs;
+ int found, mclk_extra, mclk_loop, cbs, m1, p1;
+ int mclk_freq, pclk_freq, nvclk_freq, mp_enable;
+ int us_m, us_n, us_p, video_drain_rate, crtc_drain_rate;
+ int vpm_us, us_video, vlwm, video_fill_us, cpm_us, us_crt,clwm;
+ int craw, vraw;
+
+ fifo->valid = 1;
+ pclk_freq = arb->pclk_khz;
+ mclk_freq = arb->mclk_khz;
+ nvclk_freq = arb->nvclk_khz;
+ pagemiss = arb->mem_page_miss;
+ cas = arb->mem_latency;
+ width = arb->memory_width >> 6;
+ video_enable = arb->enable_video;
+ color_key_enable = arb->gr_during_vid;
+ bpp = arb->pix_bpp;
+ align = arb->mem_aligned;
+ mp_enable = arb->enable_mp;
+ clwm = 0;
+ vlwm = 0;
+ cbs = 128;
+ pclks = 2;
+ nvclks = 2;
+ nvclks += 2;
+ nvclks += 1;
+ mclks = 5;
+ mclks += 3;
+ mclks += 1;
+ mclks += cas;
+ mclks += 1;
+ mclks += 1;
+ mclks += 1;
+ mclks += 1;
+ mclk_extra = 3;
+ nvclks += 2;
+ nvclks += 1;
+ nvclks += 1;
+ nvclks += 1;
+ if (mp_enable)
+ mclks+=4;
+ nvclks += 0;
+ pclks += 0;
+ found = 0;
+ vbs = 0;
+ while (found != 1)
+ {
+ fifo->valid = 1;
+ found = 1;
+ mclk_loop = mclks+mclk_extra;
+ us_m = mclk_loop *1000*1000 / mclk_freq;
+ us_n = nvclks*1000*1000 / nvclk_freq;
+ us_p = nvclks*1000*1000 / pclk_freq;
+ if (video_enable)
+ {
+ video_drain_rate = pclk_freq * 2;
+ crtc_drain_rate = pclk_freq * bpp/8;
+ vpagemiss = 2;
+ vpagemiss += 1;
+ crtpagemiss = 2;
+ vpm_us = (vpagemiss * pagemiss)*1000*1000/mclk_freq;
+ if (nvclk_freq * 2 > mclk_freq * width)
+ video_fill_us = cbs*1000*1000 / 16 / nvclk_freq ;
+ else
+ video_fill_us = cbs*1000*1000 / (8 * width) / mclk_freq;
+ us_video = vpm_us + us_m + us_n + us_p + video_fill_us;
+ vlwm = us_video * video_drain_rate/(1000*1000);
+ vlwm++;
+ vbs = 128;
+ if (vlwm > 128) vbs = 64;
+ if (vlwm > (256-64)) vbs = 32;
+ if (nvclk_freq * 2 > mclk_freq * width)
+ video_fill_us = vbs *1000*1000/ 16 / nvclk_freq ;
+ else
+ video_fill_us = vbs*1000*1000 / (8 * width) / mclk_freq;
+ cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
+ us_crt =
+ us_video
+ +video_fill_us
+ +cpm_us
+ +us_m + us_n +us_p
+ ;
+ clwm = us_crt * crtc_drain_rate/(1000*1000);
+ clwm++;
+ }
+ else
+ {
+ crtc_drain_rate = pclk_freq * bpp/8;
+ crtpagemiss = 2;
+ crtpagemiss += 1;
+ cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
+ us_crt = cpm_us + us_m + us_n + us_p ;
+ clwm = us_crt * crtc_drain_rate/(1000*1000);
+ clwm++;
+ }
+ m1 = clwm + cbs - 512;
+ p1 = m1 * pclk_freq / mclk_freq;
+ p1 = p1 * bpp / 8;
+ if ((p1 < m1) && (m1 > 0))
+ {
+ fifo->valid = 0;
+ found = 0;
+ if (mclk_extra ==0) found = 1;
+ mclk_extra--;
+ }
+ else if (video_enable)
+ {
+ if ((clwm > 511) || (vlwm > 255))
+ {
+ fifo->valid = 0;
+ found = 0;
+ if (mclk_extra ==0) found = 1;
+ mclk_extra--;
+ }
+ }
+ else
+ {
+ if (clwm > 519)
+ {
+ fifo->valid = 0;
+ found = 0;
+ if (mclk_extra ==0) found = 1;
+ mclk_extra--;
+ }
+ }
+ craw = clwm;
+ vraw = vlwm;
+ if (clwm < 384) clwm = 384;
+ if (vlwm < 128) vlwm = 128;
+ data = (int)(clwm);
+ fifo->graphics_lwm = data;
+ fifo->graphics_burst_size = 128;
+ data = (int)((vlwm+15));
+ fifo->video_lwm = data;
+ fifo->video_burst_size = vbs;
+ }
+}
+static void nv4UpdateArbitrationSettings
+(
+ unsigned VClk,
+ unsigned pixelDepth,
+ unsigned *burst,
+ unsigned *lwm,
+ RIVA_HW_INST *chip
+)
+{
+ nv4_fifo_info fifo_data;
+ nv4_sim_state sim_data;
+ unsigned int M, N, P, pll, MClk, NVClk, cfg1;
+
+ pll = chip->PRAMDAC0[0x00000504/4];
+ M = (pll >> 0) & 0xFF; N = (pll >> 8) & 0xFF; P = (pll >> 16) & 0x0F;
+ MClk = (N * chip->CrystalFreqKHz / M) >> P;
+ pll = chip->PRAMDAC0[0x00000500/4];
+ M = (pll >> 0) & 0xFF; N = (pll >> 8) & 0xFF; P = (pll >> 16) & 0x0F;
+ NVClk = (N * chip->CrystalFreqKHz / M) >> P;
+ cfg1 = chip->PFB[0x00000204/4];
+ sim_data.pix_bpp = (char)pixelDepth;
+ sim_data.enable_video = 0;
+ sim_data.enable_mp = 0;
+ sim_data.memory_width = (chip->PEXTDEV[0x00000000/4] & 0x10) ? 128 : 64;
+ sim_data.mem_latency = (char)cfg1 & 0x0F;
+ sim_data.mem_aligned = 1;
+ sim_data.mem_page_miss = (char)(((cfg1 >> 4) &0x0F) + ((cfg1 >> 31) & 0x01));
+ sim_data.gr_during_vid = 0;
+ sim_data.pclk_khz = VClk;
+ sim_data.mclk_khz = MClk;
+ sim_data.nvclk_khz = NVClk;
+ nv4CalcArbitration(&fifo_data, &sim_data);
+ if (fifo_data.valid)
+ {
+ int b = fifo_data.graphics_burst_size >> 4;
+ *burst = 0;
+ while (b >>= 1) (*burst)++;
+ *lwm = fifo_data.graphics_lwm >> 3;
+ }
+}
+static void nv10CalcArbitration
+(
+ nv10_fifo_info *fifo,
+ nv10_sim_state *arb
+)
+{
+ int data, pagemiss, cas,width, video_enable, color_key_enable, bpp, align;
+ int nvclks, mclks, pclks, vpagemiss, crtpagemiss, vbs;
+ int nvclk_fill, us_extra;
+ int found, mclk_extra, mclk_loop, cbs, m1;
+ int mclk_freq, pclk_freq, nvclk_freq, mp_enable;
+ int us_m, us_m_min, us_n, us_p, video_drain_rate, crtc_drain_rate;
+ int vus_m, vus_n, vus_p;
+ int vpm_us, us_video, vlwm, cpm_us, us_crt,clwm;
+ int clwm_rnd_down;
+ int craw, m2us, us_pipe, us_pipe_min, vus_pipe, p1clk, p2;
+ int pclks_2_top_fifo, min_mclk_extra;
+ int us_min_mclk_extra;
+
+ fifo->valid = 1;
+ pclk_freq = arb->pclk_khz; /* freq in KHz */
+ mclk_freq = arb->mclk_khz;
+ nvclk_freq = arb->nvclk_khz;
+ pagemiss = arb->mem_page_miss;
+ cas = arb->mem_latency;
+ width = arb->memory_width/64;
+ video_enable = arb->enable_video;
+ color_key_enable = arb->gr_during_vid;
+ bpp = arb->pix_bpp;
+ align = arb->mem_aligned;
+ mp_enable = arb->enable_mp;
+ clwm = 0;
+ vlwm = 1024;
+
+ cbs = 512;
+ vbs = 512;
+
+ pclks = 4; /* lwm detect. */
+
+ nvclks = 3; /* lwm -> sync. */
+ nvclks += 2; /* fbi bus cycles (1 req + 1 busy) */
+
+ mclks = 1; /* 2 edge sync. may be very close to edge so just put one. */
+
+ mclks += 1; /* arb_hp_req */
+ mclks += 5; /* ap_hp_req tiling pipeline */
+
+ mclks += 2; /* tc_req latency fifo */
+ mclks += 2; /* fb_cas_n_ memory request to fbio block */
+ mclks += 7; /* sm_d_rdv data returned from fbio block */
+
+ /* fb.rd.d.Put_gc need to accumulate 256 bits for read */
+ if (arb->memory_type == 0)
+ if (arb->memory_width == 64) /* 64 bit bus */
+ mclks += 4;
+ else
+ mclks += 2;
+ else
+ if (arb->memory_width == 64) /* 64 bit bus */
+ mclks += 2;
+ else
+ mclks += 1;
+
+ if ((!video_enable) && (arb->memory_width == 128))
+ {
+ mclk_extra = (bpp == 32) ? 31 : 42; /* Margin of error */
+ min_mclk_extra = 17;
+ }
+ else
+ {
+ mclk_extra = (bpp == 32) ? 8 : 4; /* Margin of error */
+ /* mclk_extra = 4; */ /* Margin of error */
+ min_mclk_extra = 18;
+ }
+
+ nvclks += 1; /* 2 edge sync. may be very close to edge so just put one. */
+ nvclks += 1; /* fbi_d_rdv_n */
+ nvclks += 1; /* Fbi_d_rdata */
+ nvclks += 1; /* crtfifo load */
+
+ if(mp_enable)
+ mclks+=4; /* Mp can get in with a burst of 8. */
+ /* Extra clocks determined by heuristics */
+
+ nvclks += 0;
+ pclks += 0;
+ found = 0;
+ while(found != 1) {
+ fifo->valid = 1;
+ found = 1;
+ mclk_loop = mclks+mclk_extra;
+ us_m = mclk_loop *1000*1000 / mclk_freq; /* Mclk latency in us */
+ us_m_min = mclks * 1000*1000 / mclk_freq; /* Minimum Mclk latency in us */
+ us_min_mclk_extra = min_mclk_extra *1000*1000 / mclk_freq;
+ us_n = nvclks*1000*1000 / nvclk_freq;/* nvclk latency in us */
+ us_p = pclks*1000*1000 / pclk_freq;/* nvclk latency in us */
+ us_pipe = us_m + us_n + us_p;
+ us_pipe_min = us_m_min + us_n + us_p;
+ us_extra = 0;
+
+ vus_m = mclk_loop *1000*1000 / mclk_freq; /* Mclk latency in us */
+ vus_n = (4)*1000*1000 / nvclk_freq;/* nvclk latency in us */
+ vus_p = 0*1000*1000 / pclk_freq;/* pclk latency in us */
+ vus_pipe = vus_m + vus_n + vus_p;
+
+ if(video_enable) {
+ video_drain_rate = pclk_freq * 4; /* MB/s */
+ crtc_drain_rate = pclk_freq * bpp/8; /* MB/s */
+
+ vpagemiss = 1; /* self generating page miss */
+ vpagemiss += 1; /* One higher priority before */
+
+ crtpagemiss = 2; /* self generating page miss */
+ if(mp_enable)
+ crtpagemiss += 1; /* if MA0 conflict */
+
+ vpm_us = (vpagemiss * pagemiss)*1000*1000/mclk_freq;
+
+ us_video = vpm_us + vus_m; /* Video has separate read return path */
+
+ cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
+ us_crt =
+ us_video /* Wait for video */
+ +cpm_us /* CRT Page miss */
+ +us_m + us_n +us_p /* other latency */
+ ;
+
+ clwm = us_crt * crtc_drain_rate/(1000*1000);
+ clwm++; /* fixed point <= float_point - 1. Fixes that */
+ } else {
+ crtc_drain_rate = pclk_freq * bpp/8; /* bpp * pclk/8 */
+
+ crtpagemiss = 1; /* self generating page miss */
+ crtpagemiss += 1; /* MA0 page miss */
+ if(mp_enable)
+ crtpagemiss += 1; /* if MA0 conflict */
+ cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
+ us_crt = cpm_us + us_m + us_n + us_p ;
+ clwm = us_crt * crtc_drain_rate/(1000*1000);
+ clwm++; /* fixed point <= float_point - 1. Fixes that */
+
+ /*
+ //
+ // Another concern, only for high pclks so don't do this
+ // with video:
+ // What happens if the latency to fetch the cbs is so large that
+ // fifo empties. In that case we need to have an alternate clwm value
+ // based off the total burst fetch
+ //
+ us_crt = (cbs * 1000 * 1000)/ (8*width)/mclk_freq ;
+ us_crt = us_crt + us_m + us_n + us_p + (4 * 1000 * 1000)/mclk_freq;
+ clwm_mt = us_crt * crtc_drain_rate/(1000*1000);
+ clwm_mt ++;
+ if(clwm_mt > clwm)
+ clwm = clwm_mt;
+ */
+ /* Finally, a heuristic check when width == 64 bits */
+ if(width == 1){
+ nvclk_fill = nvclk_freq * 8;
+ if(crtc_drain_rate * 100 >= nvclk_fill * 102)
+ clwm = 0xfff; /*Large number to fail */
+
+ else if(crtc_drain_rate * 100 >= nvclk_fill * 98) {
+ clwm = 1024;
+ cbs = 512;
+ us_extra = (cbs * 1000 * 1000)/ (8*width)/mclk_freq ;
+ }
+ }
+ }
+
+
+ /*
+ Overfill check:
+
+ */
+
+ clwm_rnd_down = ((int)clwm/8)*8;
+ if (clwm_rnd_down < clwm)
+ clwm += 8;
+
+ m1 = clwm + cbs - 1024; /* Amount of overfill */
+ m2us = us_pipe_min + us_min_mclk_extra;
+ pclks_2_top_fifo = (1024-clwm)/(8*width);
+
+ /* pclk cycles to drain */
+ p1clk = m2us * pclk_freq/(1000*1000);
+ p2 = p1clk * bpp / 8; /* bytes drained. */
+
+ if((p2 < m1) && (m1 > 0)) {
+ fifo->valid = 0;
+ found = 0;
+ if(min_mclk_extra == 0) {
+ if(cbs <= 32) {
+ found = 1; /* Can't adjust anymore! */
+ } else {
+ cbs = cbs/2; /* reduce the burst size */
+ }
+ } else {
+ min_mclk_extra--;
+ }
+ } else {
+ if (clwm > 1023){ /* Have some margin */
+ fifo->valid = 0;
+ found = 0;
+ if(min_mclk_extra == 0)
+ found = 1; /* Can't adjust anymore! */
+ else
+ min_mclk_extra--;
+ }
+ }
+ craw = clwm;
+
+ if(clwm < (1024-cbs+8)) clwm = 1024-cbs+8;
+ data = (int)(clwm);
+ /* printf("CRT LWM: %f bytes, prog: 0x%x, bs: 256\n", clwm, data ); */
+ fifo->graphics_lwm = data; fifo->graphics_burst_size = cbs;
+
+ /* printf("VID LWM: %f bytes, prog: 0x%x, bs: %d\n, ", vlwm, data, vbs ); */
+ fifo->video_lwm = 1024; fifo->video_burst_size = 512;
+ }
+}
+static void nv10UpdateArbitrationSettings
+(
+ unsigned VClk,
+ unsigned pixelDepth,
+ unsigned *burst,
+ unsigned *lwm,
+ RIVA_HW_INST *chip
+)
+{
+ nv10_fifo_info fifo_data;
+ nv10_sim_state sim_data;
+ unsigned int M, N, P, pll, MClk, NVClk, cfg1;
+
+ pll = chip->PRAMDAC0[0x00000504/4];
+ M = (pll >> 0) & 0xFF; N = (pll >> 8) & 0xFF; P = (pll >> 16) & 0x0F;
+ MClk = (N * chip->CrystalFreqKHz / M) >> P;
+ pll = chip->PRAMDAC0[0x00000500/4];
+ M = (pll >> 0) & 0xFF; N = (pll >> 8) & 0xFF; P = (pll >> 16) & 0x0F;
+ NVClk = (N * chip->CrystalFreqKHz / M) >> P;
+ cfg1 = chip->PFB[0x00000204/4];
+ sim_data.pix_bpp = (char)pixelDepth;
+ sim_data.enable_video = 0;
+ sim_data.enable_mp = 0;
+ sim_data.memory_type = (chip->PFB[0x00000200/4] & 0x01) ? 1 : 0;
+ sim_data.memory_width = (chip->PEXTDEV[0x00000000/4] & 0x10) ? 128 : 64;
+ sim_data.mem_latency = (char)cfg1 & 0x0F;
+ sim_data.mem_aligned = 1;
+ sim_data.mem_page_miss = (char)(((cfg1 >> 4) &0x0F) + ((cfg1 >> 31) & 0x01));
+ sim_data.gr_during_vid = 0;
+ sim_data.pclk_khz = VClk;
+ sim_data.mclk_khz = MClk;
+ sim_data.nvclk_khz = NVClk;
+ nv10CalcArbitration(&fifo_data, &sim_data);
+ if (fifo_data.valid)
+ {
+ int b = fifo_data.graphics_burst_size >> 4;
+ *burst = 0;
+ while (b >>= 1) (*burst)++;
+ *lwm = fifo_data.graphics_lwm >> 3;
+ }
+}
+
+static void nForceUpdateArbitrationSettings
+(
+ unsigned VClk,
+ unsigned pixelDepth,
+ unsigned *burst,
+ unsigned *lwm,
+ RIVA_HW_INST *chip
+)
+{
+ nv10_fifo_info fifo_data;
+ nv10_sim_state sim_data;
+ unsigned int M, N, P, pll, MClk, NVClk;
+ unsigned int uMClkPostDiv, memctrl;
+
+ uMClkPostDiv = (pciReadLong(pciTag(0, 0, 3), 0x6C) >> 8) & 0xf;
+ if(!uMClkPostDiv) uMClkPostDiv = 4;
+ MClk = 400000 / uMClkPostDiv;
+
+ pll = chip->PRAMDAC0[0x00000500/4];
+ M = (pll >> 0) & 0xFF; N = (pll >> 8) & 0xFF; P = (pll >> 16) & 0x0F;
+ NVClk = (N * chip->CrystalFreqKHz / M) >> P;
+ sim_data.pix_bpp = (char)pixelDepth;
+ sim_data.enable_video = 0;
+ sim_data.enable_mp = 0;
+ sim_data.memory_type = (pciReadLong(pciTag(0, 0, 1), 0x7C) >> 12) & 1;
+ sim_data.memory_width = 64;
+
+ memctrl = pciReadLong(pciTag(0, 0, 3), 0x00) >> 16;
+
+ if((memctrl == 0x1A9) || (memctrl == 0x1AB) || (memctrl == 0x1ED)) {
+ int dimm[3];
+
+ dimm[0] = (pciReadLong(pciTag(0, 0, 2), 0x40) >> 8) & 0x4F;
+ dimm[1] = (pciReadLong(pciTag(0, 0, 2), 0x44) >> 8) & 0x4F;
+ dimm[2] = (pciReadLong(pciTag(0, 0, 2), 0x48) >> 8) & 0x4F;
+
+ if((dimm[0] + dimm[1]) != dimm[2]) {
+ ErrorF("WARNING: "
+ "your nForce DIMMs are not arranged in optimal banks!\n");
+ }
+ }
+
+ sim_data.mem_latency = 3;
+ sim_data.mem_aligned = 1;
+ sim_data.mem_page_miss = 10;
+ sim_data.gr_during_vid = 0;
+ sim_data.pclk_khz = VClk;
+ sim_data.mclk_khz = MClk;
+ sim_data.nvclk_khz = NVClk;
+ nv10CalcArbitration(&fifo_data, &sim_data);
+ if (fifo_data.valid)
+ {
+ int b = fifo_data.graphics_burst_size >> 4;
+ *burst = 0;
+ while (b >>= 1) (*burst)++;
+ *lwm = fifo_data.graphics_lwm >> 3;
+ }
+}
+
+
+/****************************************************************************\
+* *
+* RIVA Mode State Routines *
+* *
+\****************************************************************************/
+
+/*
+ * Calculate the Video Clock parameters for the PLL.
+ */
+static int CalcVClock
+(
+ int clockIn,
+ int *clockOut,
+ int *mOut,
+ int *nOut,
+ int *pOut,
+ RIVA_HW_INST *chip
+)
+{
+ unsigned lowM, highM, highP;
+ unsigned DeltaNew, DeltaOld;
+ unsigned VClk, Freq;
+ unsigned M, N, P;
+
+ DeltaOld = 0xFFFFFFFF;
+
+ VClk = (unsigned)clockIn;
+
+ if (chip->CrystalFreqKHz == 13500)
+ {
+ lowM = 7;
+ highM = 13 - (chip->Architecture == NV_ARCH_03);
+ }
+ else
+ {
+ lowM = 8;
+ highM = 14 - (chip->Architecture == NV_ARCH_03);
+ }
+
+ highP = 4 - (chip->Architecture == NV_ARCH_03);
+ for (P = 0; P <= highP; P ++)
+ {
+ Freq = VClk << P;
+ if ((Freq >= 128000) && (Freq <= chip->MaxVClockFreqKHz))
+ {
+ for (M = lowM; M <= highM; M++)
+ {
+ N = (VClk << P) * M / chip->CrystalFreqKHz;
+ if(N <= 255) {
+ Freq = (chip->CrystalFreqKHz * N / M) >> P;
+ if (Freq > VClk)
+ DeltaNew = Freq - VClk;
+ else
+ DeltaNew = VClk - Freq;
+ if (DeltaNew < DeltaOld)
+ {
+ *mOut = M;
+ *nOut = N;
+ *pOut = P;
+ *clockOut = Freq;
+ DeltaOld = DeltaNew;
+ }
+ }
+ }
+ }
+ }
+ return (DeltaOld != 0xFFFFFFFF);
+}
+/*
+ * Calculate extended mode parameters (SVGA) and save in a
+ * mode state structure.
+ */
+static void CalcStateExt
+(
+ RIVA_HW_INST *chip,
+ RIVA_HW_STATE *state,
+ int bpp,
+ int width,
+ int hDisplaySize,
+ int height,
+ int dotClock,
+ int flags
+)
+{
+ int pixelDepth, VClk, m, n, p;
+ /*
+ * Save mode parameters.
+ */
+ state->bpp = bpp; /* this is not bitsPerPixel, it's 8,15,16,32 */
+ state->width = width;
+ state->height = height;
+ /*
+ * Extended RIVA registers.
+ */
+ pixelDepth = (bpp + 1)/8;
+ CalcVClock(dotClock, &VClk, &m, &n, &p, chip);
+
+ switch (chip->Architecture)
+ {
+ case NV_ARCH_03:
+ nv3UpdateArbitrationSettings(VClk,
+ pixelDepth * 8,
+ &(state->arbitration0),
+ &(state->arbitration1),
+ chip);
+ state->cursor0 = 0x00;
+ state->cursor1 = 0x78;
+ if (flags & V_DBLSCAN)
+ state->cursor1 |= 2;
+ state->cursor2 = 0x00000000;
+ state->pllsel = 0x10010100;
+ state->config = ((width + 31)/32)
+ | (((pixelDepth > 2) ? 3 : pixelDepth) << 8)
+ | 0x1000;
+ state->general = 0x00100100;
+ state->repaint1 = hDisplaySize < 1280 ? 0x06 : 0x02;
+ break;
+ case NV_ARCH_04:
+ nv4UpdateArbitrationSettings(VClk,
+ pixelDepth * 8,
+ &(state->arbitration0),
+ &(state->arbitration1),
+ chip);
+ state->cursor0 = 0x00;
+ state->cursor1 = 0xFC;
+ if (flags & V_DBLSCAN)
+ state->cursor1 |= 2;
+ state->cursor2 = 0x00000000;
+ state->pllsel = 0x10000700;
+ state->config = 0x00001114;
+ state->general = bpp == 16 ? 0x00101100 : 0x00100100;
+ state->repaint1 = hDisplaySize < 1280 ? 0x04 : 0x00;
+ break;
+ case NV_ARCH_10:
+ case NV_ARCH_20:
+ if(((chip->Chipset & 0xffff) == 0x01A0) ||
+ ((chip->Chipset & 0xffff) == 0x01f0))
+ {
+ nForceUpdateArbitrationSettings(VClk,
+ pixelDepth * 8,
+ &(state->arbitration0),
+ &(state->arbitration1),
+ chip);
+ } else {
+ nv10UpdateArbitrationSettings(VClk,
+ pixelDepth * 8,
+ &(state->arbitration0),
+ &(state->arbitration1),
+ chip);
+ }
+ state->cursor0 = 0x80 | (chip->CursorStart >> 17);
+ state->cursor1 = (chip->CursorStart >> 11) << 2;
+ state->cursor2 = chip->CursorStart >> 24;
+ if (flags & V_DBLSCAN)
+ state->cursor1 |= 2;
+ state->pllsel = 0x10000700;
+ state->config = chip->PFB[0x00000200/4];
+ state->general = bpp == 16 ? 0x00101100 : 0x00100100;
+ state->repaint1 = hDisplaySize < 1280 ? 0x04 : 0x00;
+ break;
+ }
+
+ if((bpp != 8) && (chip->Architecture != NV_ARCH_03)) /* DirectColor */
+ state->general |= 0x00000030;
+
+ state->vpll = (p << 16) | (n << 8) | m;
+ state->repaint0 = (((width/8)*pixelDepth) & 0x700) >> 3;
+ state->pixel = pixelDepth > 2 ? 3 : pixelDepth;
+ state->offset = 0;
+ state->pitch = pixelDepth * width;
+}
+/*
+ * Load fixed function state and pre-calculated/stored state.
+ */
+#define LOAD_FIXED_STATE(tbl,dev) \
+ for (i = 0; i < sizeof(tbl##Table##dev)/8; i++) \
+ chip->dev[tbl##Table##dev[i][0]] = tbl##Table##dev[i][1]
+#define LOAD_FIXED_STATE_8BPP(tbl,dev) \
+ for (i = 0; i < sizeof(tbl##Table##dev##_8BPP)/8; i++) \
+ chip->dev[tbl##Table##dev##_8BPP[i][0]] = tbl##Table##dev##_8BPP[i][1]
+#define LOAD_FIXED_STATE_15BPP(tbl,dev) \
+ for (i = 0; i < sizeof(tbl##Table##dev##_15BPP)/8; i++) \
+ chip->dev[tbl##Table##dev##_15BPP[i][0]] = tbl##Table##dev##_15BPP[i][1]
+#define LOAD_FIXED_STATE_16BPP(tbl,dev) \
+ for (i = 0; i < sizeof(tbl##Table##dev##_16BPP)/8; i++) \
+ chip->dev[tbl##Table##dev##_16BPP[i][0]] = tbl##Table##dev##_16BPP[i][1]
+#define LOAD_FIXED_STATE_32BPP(tbl,dev) \
+ for (i = 0; i < sizeof(tbl##Table##dev##_32BPP)/8; i++) \
+ chip->dev[tbl##Table##dev##_32BPP[i][0]] = tbl##Table##dev##_32BPP[i][1]
+static void UpdateFifoState
+(
+ RIVA_HW_INST *chip
+)
+{
+ int i;
+
+ switch (chip->Architecture)
+ {
+ case NV_ARCH_04:
+ LOAD_FIXED_STATE(nv4,FIFO);
+ break;
+ case NV_ARCH_10:
+ case NV_ARCH_20:
+ LOAD_FIXED_STATE(nv10,FIFO);
+ break;
+ }
+}
+static void LoadStateExt
+(
+ RIVA_HW_INST *chip,
+ RIVA_HW_STATE *state
+)
+{
+ int i, format;
+
+ /*
+ * Load HW fixed function state.
+ */
+ LOAD_FIXED_STATE(Riva,PMC);
+ LOAD_FIXED_STATE(Riva,PTIMER);
+ switch (chip->Architecture)
+ {
+ case NV_ARCH_03:
+ /*
+ * Make sure frame buffer config gets set before loading PRAMIN.
+ */
+ chip->PFB[0x00000200/4] = state->config;
+ LOAD_FIXED_STATE(nv3,PFIFO);
+ LOAD_FIXED_STATE(nv3,PRAMIN);
+ LOAD_FIXED_STATE(nv3,PGRAPH);
+ switch (state->bpp)
+ {
+ case 15:
+ case 16:
+ LOAD_FIXED_STATE_15BPP(nv3,PRAMIN);
+ LOAD_FIXED_STATE_15BPP(nv3,PGRAPH);
+ break;
+ case 24:
+ case 32:
+ LOAD_FIXED_STATE_32BPP(nv3,PRAMIN);
+ LOAD_FIXED_STATE_32BPP(nv3,PGRAPH);
+ break;
+ case 8:
+ default:
+ LOAD_FIXED_STATE_8BPP(nv3,PRAMIN);
+ LOAD_FIXED_STATE_8BPP(nv3,PGRAPH);
+ break;
+ }
+ for (i = 0x00000; i < 0x00800; i++)
+ chip->PRAMIN[0x00000502 + i] = (i << 12) | 0x03;
+ chip->PGRAPH[0x00000630/4] = state->offset;
+ chip->PGRAPH[0x00000634/4] = state->offset;
+ chip->PGRAPH[0x00000638/4] = state->offset;
+ chip->PGRAPH[0x0000063C/4] = state->offset;
+ chip->PGRAPH[0x00000650/4] = state->pitch;
+ chip->PGRAPH[0x00000654/4] = state->pitch;
+ chip->PGRAPH[0x00000658/4] = state->pitch;
+ chip->PGRAPH[0x0000065C/4] = state->pitch;
+ break;
+ case NV_ARCH_04:
+ /*
+ * Make sure frame buffer config gets set before loading PRAMIN.
+ */
+ chip->PFB[0x00000200/4] = state->config;
+ LOAD_FIXED_STATE(nv4,PFIFO);
+ LOAD_FIXED_STATE(nv4,PRAMIN);
+ LOAD_FIXED_STATE(nv4,PGRAPH);
+ switch (state->bpp)
+ {
+ case 15:
+ LOAD_FIXED_STATE_15BPP(nv4,PRAMIN);
+ LOAD_FIXED_STATE_15BPP(nv4,PGRAPH);
+ break;
+ case 16:
+ LOAD_FIXED_STATE_16BPP(nv4,PRAMIN);
+ LOAD_FIXED_STATE_16BPP(nv4,PGRAPH);
+ break;
+ case 24:
+ case 32:
+ LOAD_FIXED_STATE_32BPP(nv4,PRAMIN);
+ LOAD_FIXED_STATE_32BPP(nv4,PGRAPH);
+ break;
+ case 8:
+ default:
+ LOAD_FIXED_STATE_8BPP(nv4,PRAMIN);
+ LOAD_FIXED_STATE_8BPP(nv4,PGRAPH);
+ break;
+ }
+ chip->PGRAPH[0x00000640/4] = state->offset;
+ chip->PGRAPH[0x00000644/4] = state->offset;
+ chip->PGRAPH[0x00000648/4] = state->offset;
+ chip->PGRAPH[0x0000064C/4] = state->offset;
+ chip->PGRAPH[0x00000670/4] = state->pitch;
+ chip->PGRAPH[0x00000674/4] = state->pitch;
+ chip->PGRAPH[0x00000678/4] = state->pitch;
+ chip->PGRAPH[0x0000067C/4] = state->pitch;
+ break;
+ case NV_ARCH_10:
+ case NV_ARCH_20:
+ if(chip->twoHeads) {
+ VGA_WR08(chip->PCIO, 0x03D4, 0x44);
+ VGA_WR08(chip->PCIO, 0x03D5, state->crtcOwner);
+ chip->LockUnlock(chip, 0);
+ }
+
+ LOAD_FIXED_STATE(nv10,PFIFO);
+ LOAD_FIXED_STATE(nv10,PRAMIN);
+ LOAD_FIXED_STATE(nv10,PGRAPH);
+ switch (state->bpp)
+ {
+ case 15:
+ format = 2;
+ LOAD_FIXED_STATE_15BPP(nv10,PRAMIN);
+ LOAD_FIXED_STATE_15BPP(nv10,PGRAPH);
+ break;
+ case 16:
+ format = 5;
+ LOAD_FIXED_STATE_16BPP(nv10,PRAMIN);
+ LOAD_FIXED_STATE_16BPP(nv10,PGRAPH);
+ break;
+ case 32:
+ format = 7;
+ LOAD_FIXED_STATE_32BPP(nv10,PRAMIN);
+ LOAD_FIXED_STATE_32BPP(nv10,PGRAPH);
+ break;
+ default:
+ format = 1;
+ LOAD_FIXED_STATE_8BPP(nv10,PRAMIN);
+ LOAD_FIXED_STATE_8BPP(nv10,PGRAPH);
+ break;
+ }
+
+ if(chip->Architecture == NV_ARCH_10) {
+ chip->PGRAPH[0x00000640/4] = state->offset;
+ chip->PGRAPH[0x00000644/4] = state->offset;
+ chip->PGRAPH[0x00000648/4] = state->offset;
+ chip->PGRAPH[0x0000064C/4] = state->offset;
+ chip->PGRAPH[0x00000670/4] = state->pitch;
+ chip->PGRAPH[0x00000674/4] = state->pitch;
+ chip->PGRAPH[0x00000678/4] = state->pitch;
+ chip->PGRAPH[0x0000067C/4] = state->pitch;
+ chip->PGRAPH[0x00000680/4] = state->pitch;
+ } else {
+ chip->PGRAPH[0x00000864/4] = 0x01ffffff;
+ chip->PGRAPH[0x00000868/4] = 0x01ffffff;
+ chip->PGRAPH[0x0000086c/4] = 0x01ffffff;
+ chip->PGRAPH[0x00000870/4] = 0x01ffffff;
+
+ chip->PGRAPH[0x00000820/4] = state->offset;
+ chip->PGRAPH[0x00000824/4] = state->offset;
+ chip->PGRAPH[0x00000828/4] = state->offset;
+ chip->PGRAPH[0x0000082C/4] = state->offset;
+ chip->PGRAPH[0x00000850/4] = state->pitch;
+ chip->PGRAPH[0x00000854/4] = state->pitch;
+ chip->PGRAPH[0x00000858/4] = state->pitch;
+ chip->PGRAPH[0x0000085C/4] = state->pitch;
+ chip->PGRAPH[0x000009A4/4] = chip->PFB[0x00000200/4];
+ chip->PGRAPH[0x000009A8/4] = chip->PFB[0x00000204/4];
+
+ if((chip->Chipset & 0x0ff0) >= 0x0300) {
+ if(!chip->flatPanel) {
+ chip->PRAMDAC0[0x0578/4] = state->vpllB;
+ chip->PRAMDAC0[0x057C/4] = state->vpll2B;
+ }
+ chip->PGRAPH[0x00000724/4] = format | (format << 5);
+ chip->PGRAPH[0x0000008C/4] |= 1;
+ chip->PGRAPH[0x00000890/4] |= 0x00040000;
+ }
+ }
+ if(chip->twoHeads) {
+ chip->PCRTC0[0x00000860/4] = state->head;
+ chip->PCRTC0[0x00002860/4] = state->head2;
+ }
+ chip->PRAMDAC[0x00000404/4] |= (1 << 25);
+
+ chip->PMC[0x00008704/4] = 1;
+ chip->PMC[0x00008140/4] = 0;
+ chip->PMC[0x00008920/4] = 0;
+ chip->PMC[0x00008924/4] = 0;
+ chip->PMC[0x00008908/4] = 0x01ffffff;
+ chip->PMC[0x0000890C/4] = 0x01ffffff;
+ chip->PMC[0x00001588/4] = 0;
+
+ chip->PFB[0x00000240/4] = 0;
+ chip->PFB[0x00000250/4] = 0;
+ chip->PFB[0x00000260/4] = 0;
+ chip->PFB[0x00000270/4] = 0;
+ chip->PFB[0x00000280/4] = 0;
+ chip->PFB[0x00000290/4] = 0;
+ chip->PFB[0x000002A0/4] = 0;
+ chip->PFB[0x000002B0/4] = 0;
+
+ chip->PGRAPH[0x00000B00/4] = chip->PFB[0x00000240/4];
+ chip->PGRAPH[0x00000B04/4] = chip->PFB[0x00000244/4];
+ chip->PGRAPH[0x00000B08/4] = chip->PFB[0x00000248/4];
+ chip->PGRAPH[0x00000B0C/4] = chip->PFB[0x0000024C/4];
+ chip->PGRAPH[0x00000B10/4] = chip->PFB[0x00000250/4];
+ chip->PGRAPH[0x00000B14/4] = chip->PFB[0x00000254/4];
+ chip->PGRAPH[0x00000B18/4] = chip->PFB[0x00000258/4];
+ chip->PGRAPH[0x00000B1C/4] = chip->PFB[0x0000025C/4];
+ chip->PGRAPH[0x00000B20/4] = chip->PFB[0x00000260/4];
+ chip->PGRAPH[0x00000B24/4] = chip->PFB[0x00000264/4];
+ chip->PGRAPH[0x00000B28/4] = chip->PFB[0x00000268/4];
+ chip->PGRAPH[0x00000B2C/4] = chip->PFB[0x0000026C/4];
+ chip->PGRAPH[0x00000B30/4] = chip->PFB[0x00000270/4];
+ chip->PGRAPH[0x00000B34/4] = chip->PFB[0x00000274/4];
+ chip->PGRAPH[0x00000B38/4] = chip->PFB[0x00000278/4];
+ chip->PGRAPH[0x00000B3C/4] = chip->PFB[0x0000027C/4];
+ chip->PGRAPH[0x00000B40/4] = chip->PFB[0x00000280/4];
+ chip->PGRAPH[0x00000B44/4] = chip->PFB[0x00000284/4];
+ chip->PGRAPH[0x00000B48/4] = chip->PFB[0x00000288/4];
+ chip->PGRAPH[0x00000B4C/4] = chip->PFB[0x0000028C/4];
+ chip->PGRAPH[0x00000B50/4] = chip->PFB[0x00000290/4];
+ chip->PGRAPH[0x00000B54/4] = chip->PFB[0x00000294/4];
+ chip->PGRAPH[0x00000B58/4] = chip->PFB[0x00000298/4];
+ chip->PGRAPH[0x00000B5C/4] = chip->PFB[0x0000029C/4];
+ chip->PGRAPH[0x00000B60/4] = chip->PFB[0x000002A0/4];
+ chip->PGRAPH[0x00000B64/4] = chip->PFB[0x000002A4/4];
+ chip->PGRAPH[0x00000B68/4] = chip->PFB[0x000002A8/4];
+ chip->PGRAPH[0x00000B6C/4] = chip->PFB[0x000002AC/4];
+ chip->PGRAPH[0x00000B70/4] = chip->PFB[0x000002B0/4];
+ chip->PGRAPH[0x00000B74/4] = chip->PFB[0x000002B4/4];
+ chip->PGRAPH[0x00000B78/4] = chip->PFB[0x000002B8/4];
+ chip->PGRAPH[0x00000B7C/4] = chip->PFB[0x000002BC/4];
+ chip->PGRAPH[0x00000F40/4] = 0x10000000;
+ chip->PGRAPH[0x00000F44/4] = 0x00000000;
+ chip->PGRAPH[0x00000F50/4] = 0x00000040;
+ chip->PGRAPH[0x00000F54/4] = 0x00000008;
+ chip->PGRAPH[0x00000F50/4] = 0x00000200;
+ for (i = 0; i < (3*16); i++)
+ chip->PGRAPH[0x00000F54/4] = 0x00000000;
+ chip->PGRAPH[0x00000F50/4] = 0x00000040;
+ chip->PGRAPH[0x00000F54/4] = 0x00000000;
+ chip->PGRAPH[0x00000F50/4] = 0x00000800;
+ for (i = 0; i < (16*16); i++)
+ chip->PGRAPH[0x00000F54/4] = 0x00000000;
+ chip->PGRAPH[0x00000F40/4] = 0x30000000;
+ chip->PGRAPH[0x00000F44/4] = 0x00000004;
+ chip->PGRAPH[0x00000F50/4] = 0x00006400;
+ for (i = 0; i < (59*4); i++)
+ chip->PGRAPH[0x00000F54/4] = 0x00000000;
+ chip->PGRAPH[0x00000F50/4] = 0x00006800;
+ for (i = 0; i < (47*4); i++)
+ chip->PGRAPH[0x00000F54/4] = 0x00000000;
+ chip->PGRAPH[0x00000F50/4] = 0x00006C00;
+ for (i = 0; i < (3*4); i++)
+ chip->PGRAPH[0x00000F54/4] = 0x00000000;
+ chip->PGRAPH[0x00000F50/4] = 0x00007000;
+ for (i = 0; i < (19*4); i++)
+ chip->PGRAPH[0x00000F54/4] = 0x00000000;
+ chip->PGRAPH[0x00000F50/4] = 0x00007400;
+ for (i = 0; i < (12*4); i++)
+ chip->PGRAPH[0x00000F54/4] = 0x00000000;
+ chip->PGRAPH[0x00000F50/4] = 0x00007800;
+ for (i = 0; i < (12*4); i++)
+ chip->PGRAPH[0x00000F54/4] = 0x00000000;
+ chip->PGRAPH[0x00000F50/4] = 0x00004400;
+ for (i = 0; i < (8*4); i++)
+ chip->PGRAPH[0x00000F54/4] = 0x00000000;
+ chip->PGRAPH[0x00000F50/4] = 0x00000000;
+ for (i = 0; i < 16; i++)
+ chip->PGRAPH[0x00000F54/4] = 0x00000000;
+ chip->PGRAPH[0x00000F50/4] = 0x00000040;
+ for (i = 0; i < 4; i++)
+ chip->PGRAPH[0x00000F54/4] = 0x00000000;
+
+ chip->PCRTC[0x00000810/4] = state->cursorConfig;
+
+ if(chip->flatPanel) {
+ if((chip->Chipset & 0x0ff0) == 0x0110) {
+ chip->PRAMDAC[0x0528/4] = state->dither;
+ } else
+ if((chip->Chipset & 0x0ff0) >= 0x0170) {
+ chip->PRAMDAC[0x083C/4] = state->dither;
+ }
+
+
+ VGA_WR08(chip->PCIO, 0x03D4, 0x53);
+ VGA_WR08(chip->PCIO, 0x03D5, 0);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x54);
+ VGA_WR08(chip->PCIO, 0x03D5, 0);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x21);
+ VGA_WR08(chip->PCIO, 0x03D5, 0xfa);
+ }
+
+ VGA_WR08(chip->PCIO, 0x03D4, 0x41);
+ VGA_WR08(chip->PCIO, 0x03D5, state->extra);
+ }
+
+ LOAD_FIXED_STATE(Riva,FIFO);
+ UpdateFifoState(chip);
+
+ /*
+ * Load HW mode state.
+ */
+ VGA_WR08(chip->PCIO, 0x03D4, 0x19);
+ VGA_WR08(chip->PCIO, 0x03D5, state->repaint0);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x1A);
+ VGA_WR08(chip->PCIO, 0x03D5, state->repaint1);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x25);
+ VGA_WR08(chip->PCIO, 0x03D5, state->screen);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x28);
+ VGA_WR08(chip->PCIO, 0x03D5, state->pixel);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x2D);
+ VGA_WR08(chip->PCIO, 0x03D5, state->horiz);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x1B);
+ VGA_WR08(chip->PCIO, 0x03D5, state->arbitration0);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x20);
+ VGA_WR08(chip->PCIO, 0x03D5, state->arbitration1);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x30);
+ VGA_WR08(chip->PCIO, 0x03D5, state->cursor0);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x31);
+ VGA_WR08(chip->PCIO, 0x03D5, state->cursor1);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x2F);
+ VGA_WR08(chip->PCIO, 0x03D5, state->cursor2);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x39);
+ VGA_WR08(chip->PCIO, 0x03D5, state->interlace);
+
+ if(!chip->flatPanel) {
+ chip->PRAMDAC0[0x00000508/4] = state->vpll;
+ chip->PRAMDAC0[0x0000050C/4] = state->pllsel;
+ if(chip->twoHeads)
+ chip->PRAMDAC0[0x00000520/4] = state->vpll2;
+ } else {
+ chip->PRAMDAC[0x00000848/4] = state->scale;
+ }
+ chip->PRAMDAC[0x00000600/4] = state->general;
+
+ /*
+ * Turn off VBlank enable and reset.
+ */
+ chip->PCRTC[0x00000140/4] = 0;
+ chip->PCRTC[0x00000100/4] = chip->VBlankBit;
+ /*
+ * Set interrupt enable.
+ */
+ chip->PMC[0x00000140/4] = chip->EnableIRQ & 0x01;
+ /*
+ * Set current state pointer.
+ */
+ chip->CurrentState = state;
+ /*
+ * Reset FIFO free and empty counts.
+ */
+ chip->FifoFreeCount = 0;
+ /* Free count from first subchannel */
+ chip->FifoEmptyCount = chip->Rop->FifoFree;
+}
+
+static void UnloadStateExt
+(
+ RIVA_HW_INST *chip,
+ RIVA_HW_STATE *state
+)
+{
+ /*
+ * Save current HW state.
+ */
+ VGA_WR08(chip->PCIO, 0x03D4, 0x19);
+ state->repaint0 = VGA_RD08(chip->PCIO, 0x03D5);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x1A);
+ state->repaint1 = VGA_RD08(chip->PCIO, 0x03D5);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x25);
+ state->screen = VGA_RD08(chip->PCIO, 0x03D5);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x28);
+ state->pixel = VGA_RD08(chip->PCIO, 0x03D5);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x2D);
+ state->horiz = VGA_RD08(chip->PCIO, 0x03D5);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x1B);
+ state->arbitration0 = VGA_RD08(chip->PCIO, 0x03D5);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x20);
+ state->arbitration1 = VGA_RD08(chip->PCIO, 0x03D5);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x30);
+ state->cursor0 = VGA_RD08(chip->PCIO, 0x03D5);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x31);
+ state->cursor1 = VGA_RD08(chip->PCIO, 0x03D5);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x2F);
+ state->cursor2 = VGA_RD08(chip->PCIO, 0x03D5);
+ VGA_WR08(chip->PCIO, 0x03D4, 0x39);
+ state->interlace = VGA_RD08(chip->PCIO, 0x03D5);
+ state->vpll = chip->PRAMDAC0[0x00000508/4];
+ state->vpll2 = chip->PRAMDAC0[0x00000520/4];
+ state->vpllB = chip->PRAMDAC0[0x00000578/4];
+ state->vpll2B = chip->PRAMDAC0[0x0000057C/4];
+ state->pllsel = chip->PRAMDAC0[0x0000050C/4];
+ state->general = chip->PRAMDAC[0x00000600/4];
+ state->scale = chip->PRAMDAC[0x00000848/4];
+ state->config = chip->PFB[0x00000200/4];
+
+ switch (chip->Architecture)
+ {
+ case NV_ARCH_03:
+ state->offset = chip->PGRAPH[0x00000630/4];
+ state->pitch = chip->PGRAPH[0x00000650/4];
+ break;
+ case NV_ARCH_04:
+ state->offset = chip->PGRAPH[0x00000640/4];
+ state->pitch = chip->PGRAPH[0x00000670/4];
+ break;
+ case NV_ARCH_10:
+ case NV_ARCH_20:
+ state->offset = chip->PGRAPH[0x00000640/4];
+ state->pitch = chip->PGRAPH[0x00000670/4];
+ if(chip->twoHeads) {
+ state->head = chip->PCRTC0[0x00000860/4];
+ state->head2 = chip->PCRTC0[0x00002860/4];
+ VGA_WR08(chip->PCIO, 0x03D4, 0x44);
+ state->crtcOwner = VGA_RD08(chip->PCIO, 0x03D5);
+ }
+ VGA_WR08(chip->PCIO, 0x03D4, 0x41);
+ state->extra = VGA_RD08(chip->PCIO, 0x03D5);
+ state->cursorConfig = chip->PCRTC[0x00000810/4];
+
+ if((chip->Chipset & 0x0ff0) == 0x0110) {
+ state->dither = chip->PRAMDAC[0x0528/4];
+ } else
+ if((chip->Chipset & 0x0ff0) >= 0x0170) {
+ state->dither = chip->PRAMDAC[0x083C/4];
+ }
+
+ break;
+ }
+}
+static void SetStartAddress
+(
+ RIVA_HW_INST *chip,
+ unsigned start
+)
+{
+ chip->PCRTC[0x800/4] = start;
+}
+
+static void SetStartAddress3
+(
+ RIVA_HW_INST *chip,
+ unsigned start
+)
+{
+ int offset = start >> 2;
+ int pan = (start & 3) << 1;
+ unsigned char tmp;
+
+ /*
+ * Unlock extended registers.
+ */
+ chip->LockUnlock(chip, 0);
+ /*
+ * Set start address.
+ */
+ VGA_WR08(chip->PCIO, 0x3D4, 0x0D); VGA_WR08(chip->PCIO, 0x3D5, offset);
+ offset >>= 8;
+ VGA_WR08(chip->PCIO, 0x3D4, 0x0C); VGA_WR08(chip->PCIO, 0x3D5, offset);
+ offset >>= 8;
+ VGA_WR08(chip->PCIO, 0x3D4, 0x19); tmp = VGA_RD08(chip->PCIO, 0x3D5);
+ VGA_WR08(chip->PCIO, 0x3D5, (offset & 0x01F) | (tmp & ~0x1F));
+ VGA_WR08(chip->PCIO, 0x3D4, 0x2D); tmp = VGA_RD08(chip->PCIO, 0x3D5);
+ VGA_WR08(chip->PCIO, 0x3D5, (offset & 0x60) | (tmp & ~0x60));
+ /*
+ * 4 pixel pan register.
+ */
+ offset = VGA_RD08(chip->PCIO, chip->IO + 0x0A);
+ VGA_WR08(chip->PCIO, 0x3C0, 0x13);
+ VGA_WR08(chip->PCIO, 0x3C0, pan);
+}
+/****************************************************************************\
+* *
+* Probe RIVA Chip Configuration *
+* *
+\****************************************************************************/
+
+static void nv3GetConfig
+(
+ RIVA_HW_INST *chip
+)
+{
+ /*
+ * Fill in chip configuration.
+ */
+ if (chip->PFB[0x00000000/4] & 0x00000020)
+ {
+ if (((chip->PMC[0x00000000/4] & 0xF0) == 0x20)
+ && ((chip->PMC[0x00000000/4] & 0x0F) >= 0x02))
+ {
+ /*
+ * SDRAM 128 ZX.
+ */
+ chip->RamBandwidthKBytesPerSec = 800000;
+ switch (chip->PFB[0x00000000/4] & 0x03)
+ {
+ case 2:
+ chip->RamAmountKBytes = 1024 * 4;
+ break;
+ case 1:
+ chip->RamAmountKBytes = 1024 * 2;
+ break;
+ default:
+ chip->RamAmountKBytes = 1024 * 8;
+ break;
+ }
+ }
+ else
+ {
+ chip->RamBandwidthKBytesPerSec = 1000000;
+ chip->RamAmountKBytes = 1024 * 8;
+ }
+ }
+ else
+ {
+ /*
+ * SGRAM 128.
+ */
+ chip->RamBandwidthKBytesPerSec = 1000000;
+ switch (chip->PFB[0x00000000/4] & 0x00000003)
+ {
+ case 0:
+ chip->RamAmountKBytes = 1024 * 8;
+ break;
+ case 2:
+ chip->RamAmountKBytes = 1024 * 4;
+ break;
+ default:
+ chip->RamAmountKBytes = 1024 * 2;
+ break;
+ }
+ }
+ chip->CrystalFreqKHz = (chip->PEXTDEV[0x00000000/4] & 0x00000040) ? 14318 : 13500;
+ chip->CURSOR = &(chip->PRAMIN[0x00008000/4 - 0x0800/4]);
+ chip->VBlankBit = 0x00000100;
+ chip->MaxVClockFreqKHz = 256000;
+ /*
+ * Set chip functions.
+ */
+ chip->Busy = nv3Busy;
+ chip->ShowHideCursor = ShowHideCursor;
+ chip->CalcStateExt = CalcStateExt;
+ chip->LoadStateExt = LoadStateExt;
+ chip->UnloadStateExt = UnloadStateExt;
+ chip->SetStartAddress = SetStartAddress3;
+ chip->LockUnlock = nv3LockUnlock;
+}
+static void nv4GetConfig
+(
+ RIVA_HW_INST *chip
+)
+{
+ /*
+ * Fill in chip configuration.
+ */
+ if (chip->PFB[0x00000000/4] & 0x00000100)
+ {
+ chip->RamAmountKBytes = ((chip->PFB[0x00000000/4] >> 12) & 0x0F) * 1024 * 2
+ + 1024 * 2;
+ }
+ else
+ {
+ switch (chip->PFB[0x00000000/4] & 0x00000003)
+ {
+ case 0:
+ chip->RamAmountKBytes = 1024 * 32;
+ break;
+ case 1:
+ chip->RamAmountKBytes = 1024 * 4;
+ break;
+ case 2:
+ chip->RamAmountKBytes = 1024 * 8;
+ break;
+ case 3:
+ default:
+ chip->RamAmountKBytes = 1024 * 16;
+ break;
+ }
+ }
+ switch ((chip->PFB[0x00000000/4] >> 3) & 0x00000003)
+ {
+ case 3:
+ chip->RamBandwidthKBytesPerSec = 800000;
+ break;
+ default:
+ chip->RamBandwidthKBytesPerSec = 1000000;
+ break;
+ }
+ chip->CrystalFreqKHz = (chip->PEXTDEV[0x00000000/4] & 0x00000040) ? 14318 : 13500;
+ chip->CURSOR = &(chip->PRAMIN[0x00010000/4 - 0x0800/4]);
+ chip->VBlankBit = 0x00000001;
+ chip->MaxVClockFreqKHz = 350000;
+ /*
+ * Set chip functions.
+ */
+ chip->Busy = nv4Busy;
+ chip->ShowHideCursor = ShowHideCursor;
+ chip->CalcStateExt = CalcStateExt;
+ chip->LoadStateExt = LoadStateExt;
+ chip->UnloadStateExt = UnloadStateExt;
+ chip->SetStartAddress = SetStartAddress;
+ chip->LockUnlock = nv4LockUnlock;
+}
+static void nv10GetConfig
+(
+ NVPtr pNv
+)
+{
+ RIVA_HW_INST *chip = &pNv->riva;
+
+#if X_BYTE_ORDER == X_BIG_ENDIAN
+ /* turn on big endian register access */
+ if(!(chip->PMC[0x00000004/4] & 0x01000001))
+ chip->PMC[0x00000004/4] = 0x01000001;
+#endif
+
+ /*
+ * Fill in chip configuration.
+ */
+ if((pNv->Chipset && 0xffff) == 0x01a0) {
+ int amt = pciReadLong(pciTag(0, 0, 1), 0x7C);
+
+ chip->RamAmountKBytes = (((amt >> 6) & 31) + 1) * 1024;
+ } else if((pNv->Chipset & 0xffff) == 0x01f0) {
+ int amt = pciReadLong(pciTag(0, 0, 1), 0x84);
+
+ chip->RamAmountKBytes = (((amt >> 4) & 127) + 1) * 1024;
+ } else {
+ switch ((chip->PFB[0x0000020C/4] >> 20) & 0x000000FF)
+ {
+ case 0x02:
+ chip->RamAmountKBytes = 1024 * 2;
+ break;
+ case 0x04:
+ chip->RamAmountKBytes = 1024 * 4;
+ break;
+ case 0x08:
+ chip->RamAmountKBytes = 1024 * 8;
+ break;
+ case 0x10:
+ chip->RamAmountKBytes = 1024 * 16;
+ break;
+ case 0x20:
+ chip->RamAmountKBytes = 1024 * 32;
+ break;
+ case 0x40:
+ chip->RamAmountKBytes = 1024 * 64;
+ break;
+ case 0x80:
+ chip->RamAmountKBytes = 1024 * 128;
+ break;
+ default:
+ chip->RamAmountKBytes = 1024 * 16;
+ break;
+ }
+ }
+ switch ((chip->PFB[0x00000000/4] >> 3) & 0x00000003)
+ {
+ case 3:
+ chip->RamBandwidthKBytesPerSec = 800000;
+ break;
+ default:
+ chip->RamBandwidthKBytesPerSec = 1000000;
+ break;
+ }
+
+ chip->CrystalFreqKHz = (chip->PEXTDEV[0x0000/4] & (1 << 6)) ? 14318 :
+ 13500;
+ switch(pNv->Chipset & 0x0ff0) {
+ case 0x0170:
+ case 0x0180:
+ case 0x01F0:
+ case 0x0250:
+ case 0x0280:
+ case 0x0300:
+ case 0x0310:
+ case 0x0320:
+ case 0x0330:
+ case 0x0340:
+ if(chip->PEXTDEV[0x0000/4] & (1 << 22))
+ chip->CrystalFreqKHz = 27000;
+ break;
+ default:
+ break;
+ }
+
+ chip->CursorStart = (chip->RamAmountKBytes - 128) * 1024;
+ chip->CURSOR = NULL; /* can't set this here */
+ chip->VBlankBit = 0x00000001;
+ chip->MaxVClockFreqKHz = 350000;
+ /*
+ * Set chip functions.
+ */
+ chip->Busy = nv10Busy;
+ chip->ShowHideCursor = ShowHideCursor;
+ chip->CalcStateExt = CalcStateExt;
+ chip->LoadStateExt = LoadStateExt;
+ chip->UnloadStateExt = UnloadStateExt;
+ chip->SetStartAddress = SetStartAddress;
+ chip->LockUnlock = nv4LockUnlock;
+
+ switch(pNv->Chipset & 0x0ff0) {
+ case 0x0110:
+ case 0x0170:
+ case 0x0180:
+ case 0x01F0:
+ case 0x0250:
+ case 0x0280:
+ case 0x0300:
+ case 0x0310:
+ case 0x0320:
+ case 0x0330:
+ case 0x0340:
+ chip->twoHeads = TRUE;
+ break;
+ default:
+ chip->twoHeads = FALSE;
+ break;
+ }
+}
+int RivaGetConfig
+(
+ NVPtr pNv
+)
+{
+ RIVA_HW_INST *chip = &pNv->riva;
+ /*
+ * Save this so future SW know whats it's dealing with.
+ */
+ chip->Version = RIVA_SW_VERSION;
+ /*
+ * Chip specific configuration.
+ */
+ switch (chip->Architecture)
+ {
+ case NV_ARCH_03:
+ nv3GetConfig(chip);
+ break;
+ case NV_ARCH_04:
+ nv4GetConfig(chip);
+ break;
+ case NV_ARCH_10:
+ case NV_ARCH_20:
+ nv10GetConfig(pNv);
+ break;
+ default:
+ return (-1);
+ }
+ chip->Chipset = pNv->Chipset;
+ /*
+ * Fill in FIFO pointers.
+ */
+ chip->Rop = (RivaRop *)&(chip->FIFO[0x00000000/4]);
+ chip->Clip = (RivaClip *)&(chip->FIFO[0x00002000/4]);
+ chip->Patt = (RivaPattern *)&(chip->FIFO[0x00004000/4]);
+ chip->Pixmap = (RivaPixmap *)&(chip->FIFO[0x00006000/4]);
+ chip->Blt = (RivaScreenBlt *)&(chip->FIFO[0x00008000/4]);
+ chip->Bitmap = (RivaBitmap *)&(chip->FIFO[0x0000A000/4]);
+ chip->Line = (RivaLine *)&(chip->FIFO[0x0000C000/4]);
+ return (0);
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 19:07:46 +0000