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Diffstat (limited to 'src/riva_hw.c')
| -rw-r--r-- | src/riva_hw.c | 2100 |
1 files changed, 2100 insertions, 0 deletions
diff --git a/src/riva_hw.c b/src/riva_hw.c new file mode 100644 index 0000000..bbb515f --- /dev/null +++ b/src/riva_hw.c @@ -0,0 +1,2100 @@ + /***************************************************************************\ +|* *| +|* 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); +} + |