2 * Copyright 1993-2003 NVIDIA, Corporation
3 * Copyright 2008 Stuart Bennett
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
19 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
20 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 #include "nv_include.h"
26 uint32_t NVRead(NVPtr pNv, uint32_t reg)
28 DDXMMIOW("NVRead: reg %08x val %08x\n", reg, (uint32_t)NV_RD32(pNv->REGS, reg));
29 return NV_RD32(pNv->REGS, reg);
32 void NVWrite(NVPtr pNv, uint32_t reg, uint32_t val)
34 DDXMMIOW("NVWrite: reg %08x val %08x\n", reg, NV_WR32(pNv->REGS, reg, val));
37 uint32_t NVReadCRTC(NVPtr pNv, int head, uint32_t reg)
40 reg += NV_PCRTC0_SIZE;
41 DDXMMIOH("NVReadCRTC: head %d reg %08x val %08x\n", head, reg, (uint32_t)NV_RD32(pNv->REGS, reg));
42 return NV_RD32(pNv->REGS, reg);
45 void NVWriteCRTC(NVPtr pNv, int head, uint32_t reg, uint32_t val)
48 reg += NV_PCRTC0_SIZE;
49 DDXMMIOH("NVWriteCRTC: head %d reg %08x val %08x\n", head, reg, val);
50 NV_WR32(pNv->REGS, reg, val);
53 uint32_t NVReadRAMDAC(NVPtr pNv, int head, uint32_t reg)
56 reg += NV_PRAMDAC0_SIZE;
57 DDXMMIOH("NVReadRamdac: head %d reg %08x val %08x\n", head, reg, (uint32_t)NV_RD32(pNv->REGS, reg));
58 return NV_RD32(pNv->REGS, reg);
61 void NVWriteRAMDAC(NVPtr pNv, int head, uint32_t reg, uint32_t val)
64 reg += NV_PRAMDAC0_SIZE;
65 DDXMMIOH("NVWriteRamdac: head %d reg %08x val %08x\n", head, reg, val);
66 NV_WR32(pNv->REGS, reg, val);
69 uint8_t nv_read_tmds(NVPtr pNv, int or, int dl, uint8_t address)
71 int ramdac = (or & OUTPUT_C) >> 2;
73 NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_CONTROL + dl * 8,
74 NV_RAMDAC_FP_TMDS_CONTROL_WRITE_DISABLE | address);
75 return NVReadRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_DATA + dl * 8);
78 int nv_get_digital_bound_head(NVPtr pNv, int or)
80 /* special case of nv_read_tmds to find crtc associated with an output.
81 * this does not give a correct answer for off-chip dvi, but there's no
82 * use for such an answer anyway
84 int ramdac = (or & OUTPUT_C) >> 2;
86 NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_CONTROL,
87 NV_RAMDAC_FP_TMDS_CONTROL_WRITE_DISABLE | 0x4);
88 return (((NVReadRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_DATA) & 0x8) >> 3) ^ ramdac);
91 void nv_write_tmds(NVPtr pNv, int or, int dl, uint8_t address, uint8_t data)
93 int ramdac = (or & OUTPUT_C) >> 2;
95 NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_DATA + dl * 8, data);
96 NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_CONTROL + dl * 8, address);
99 void NVWriteVgaCrtc(NVPtr pNv, int head, uint8_t index, uint8_t value)
101 uint32_t mmiobase = head ? NV_PRMCIO1_OFFSET : NV_PRMCIO0_OFFSET;
103 DDXMMIOH("NVWriteVgaCrtc: head %d index 0x%02x data 0x%02x\n", head, index, value);
104 NV_WR08(pNv->REGS, CRTC_INDEX_COLOR + mmiobase, index);
105 NV_WR08(pNv->REGS, CRTC_DATA_COLOR + mmiobase, value);
108 uint8_t NVReadVgaCrtc(NVPtr pNv, int head, uint8_t index)
110 uint32_t mmiobase = head ? NV_PRMCIO1_OFFSET : NV_PRMCIO0_OFFSET;
112 NV_WR08(pNv->REGS, CRTC_INDEX_COLOR + mmiobase, index);
113 DDXMMIOH("NVReadVgaCrtc: head %d index 0x%02x data 0x%02x\n", head, index, NV_RD08(pNv->REGS, CRTC_DATA_COLOR + mmiobase));
114 return NV_RD08(pNv->REGS, CRTC_DATA_COLOR + mmiobase);
117 /* CR57 and CR58 are a fun pair of regs. CR57 provides an index (0-0xf) for CR58
118 * I suspect they in fact do nothing, but are merely a way to carry useful
119 * per-head variables around
123 * 0x00 index to the appropriate dcb entry (or 7f for inactive)
124 * 0x02 dcb entry's "or" value (or 00 for inactive)
125 * 0x03 bit0 set for dual link (LVDS, possibly elsewhere too)
126 * 0x08 or 0x09 pxclk in MHz
127 * 0x0f laptop panel info - low nibble for PEXTDEV_BOOT_0 strap
128 * high nibble for xlat strap value
131 void NVWriteVgaCrtc5758(NVPtr pNv, int head, uint8_t index, uint8_t value)
133 NVWriteVgaCrtc(pNv, head, NV_CIO_CRE_57, index);
134 NVWriteVgaCrtc(pNv, head, NV_CIO_CRE_58, value);
137 uint8_t NVReadVgaCrtc5758(NVPtr pNv, int head, uint8_t index)
139 NVWriteVgaCrtc(pNv, head, NV_CIO_CRE_57, index);
140 return NVReadVgaCrtc(pNv, head, NV_CIO_CRE_58);
143 uint8_t NVReadPRMVIO(NVPtr pNv, int head, uint16_t port)
145 /* Only NV4x have two pvio ranges */
146 uint32_t mmiobase = (head && pNv->Architecture == NV_ARCH_40) ? NV_PRMVIO1_OFFSET : NV_PRMVIO0_OFFSET;
148 DDXMMIOH("NVReadPRMVIO: head %d reg %08x val %02x\n", head, port + mmiobase, NV_RD08(pNv->REGS, port + mmiobase));
149 return NV_RD08(pNv->REGS, port + mmiobase);
152 void NVWritePRMVIO(NVPtr pNv, int head, uint16_t port, uint8_t value)
154 /* Only NV4x have two pvio ranges */
155 uint32_t mmiobase = (head && pNv->Architecture == NV_ARCH_40) ? NV_PRMVIO1_OFFSET : NV_PRMVIO0_OFFSET;
157 DDXMMIOH("NVWritePRMVIO: head %d reg %08x val %02x\n", head, port + mmiobase, value);
158 NV_WR08(pNv->REGS, port + mmiobase, value);
161 void NVWriteVgaSeq(NVPtr pNv, int head, uint8_t index, uint8_t value)
163 NVWritePRMVIO(pNv, head, VGA_SEQ_INDEX, index);
164 NVWritePRMVIO(pNv, head, VGA_SEQ_DATA, value);
167 uint8_t NVReadVgaSeq(NVPtr pNv, int head, uint8_t index)
169 NVWritePRMVIO(pNv, head, VGA_SEQ_INDEX, index);
170 return NVReadPRMVIO(pNv, head, VGA_SEQ_DATA);
173 void NVWriteVgaGr(NVPtr pNv, int head, uint8_t index, uint8_t value)
175 NVWritePRMVIO(pNv, head, VGA_GRAPH_INDEX, index);
176 NVWritePRMVIO(pNv, head, VGA_GRAPH_DATA, value);
179 uint8_t NVReadVgaGr(NVPtr pNv, int head, uint8_t index)
181 NVWritePRMVIO(pNv, head, VGA_GRAPH_INDEX, index);
182 return NVReadPRMVIO(pNv, head, VGA_GRAPH_DATA);
185 #define CRTC_IN_STAT_1 0x3da
187 void NVSetEnablePalette(NVPtr pNv, int head, bool enable)
189 uint32_t mmiobase = head ? NV_PRMCIO1_OFFSET : NV_PRMCIO0_OFFSET;
191 VGA_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
192 VGA_WR08(pNv->REGS, VGA_ATTR_INDEX + mmiobase, enable ? 0 : 0x20);
195 static bool NVGetEnablePalette(NVPtr pNv, int head)
197 uint32_t mmiobase = head ? NV_PRMCIO1_OFFSET : NV_PRMCIO0_OFFSET;
199 VGA_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
200 return !(VGA_RD08(pNv->REGS, VGA_ATTR_INDEX + mmiobase) & 0x20);
203 void NVWriteVgaAttr(NVPtr pNv, int head, uint8_t index, uint8_t value)
205 uint32_t mmiobase = head ? NV_PRMCIO1_OFFSET : NV_PRMCIO0_OFFSET;
207 if (NVGetEnablePalette(pNv, head))
212 NV_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
213 DDXMMIOH("NVWriteVgaAttr: head %d index 0x%02x data 0x%02x\n", head, index, value);
214 NV_WR08(pNv->REGS, VGA_ATTR_INDEX + mmiobase, index);
215 NV_WR08(pNv->REGS, VGA_ATTR_DATA_W + mmiobase, value);
218 uint8_t NVReadVgaAttr(NVPtr pNv, int head, uint8_t index)
220 uint32_t mmiobase = head ? NV_PRMCIO1_OFFSET : NV_PRMCIO0_OFFSET;
222 if (NVGetEnablePalette(pNv, head))
227 NV_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
228 NV_WR08(pNv->REGS, VGA_ATTR_INDEX + mmiobase, index);
229 DDXMMIOH("NVReadVgaAttr: head %d index 0x%02x data 0x%02x\n", head, index, NV_RD08(pNv->REGS, VGA_ATTR_DATA_R + mmiobase));
230 return NV_RD08(pNv->REGS, VGA_ATTR_DATA_R + mmiobase);
233 void NVVgaSeqReset(NVPtr pNv, int head, bool start)
235 NVWriteVgaSeq(pNv, head, 0x0, start ? 0x1 : 0x3);
238 void NVVgaProtect(NVPtr pNv, int head, bool protect)
240 uint8_t seq1 = NVReadVgaSeq(pNv, head, 0x1);
243 NVVgaSeqReset(pNv, head, true);
244 NVWriteVgaSeq(pNv, head, 0x01, seq1 | 0x20);
246 /* Reenable sequencer, then turn on screen */
247 NVWriteVgaSeq(pNv, head, 0x01, seq1 & ~0x20); /* reenable display */
248 NVVgaSeqReset(pNv, head, false);
250 NVSetEnablePalette(pNv, head, protect);
253 void NVSetOwner(NVPtr pNv, int head)
255 /* CR44 is always changed on CRTC0 */
256 NVWriteVgaCrtc(pNv, 0, NV_CIO_CRE_44, head * 0x3);
259 void NVLockVgaCrtc(NVPtr pNv, int head, bool lock)
263 NVWriteVgaCrtc(pNv, head, NV_CIO_SR_LOCK_INDEX, lock ? 0x99 : 0x57);
265 cr11 = NVReadVgaCrtc(pNv, head, NV_CIO_CR_VRE_INDEX);
270 NVWriteVgaCrtc(pNv, head, NV_CIO_CR_VRE_INDEX, cr11);
273 void NVBlankScreen(NVPtr pNv, int head, bool blank)
278 NVSetOwner(pNv, head);
280 seq1 = NVReadVgaSeq(pNv, head, 0x1);
282 NVVgaSeqReset(pNv, head, true);
284 NVWriteVgaSeq(pNv, head, 0x1, seq1 | 0x20);
286 NVWriteVgaSeq(pNv, head, 0x1, seq1 & ~0x20);
287 NVVgaSeqReset(pNv, head, false);
290 void nv_fix_nv40_hw_cursor(NVPtr pNv, int head)
292 /* on some nv40 (such as the "true" (in the NV_PFB_BOOT_0 sense) nv40,
293 * the gf6800gt) a hardware bug requires a write to PRAMDAC_CURSOR_POS
294 * for changes to the CRTC CURCTL regs to take effect, whether changing
295 * the pixmap location, or just showing/hiding the cursor
297 volatile uint32_t curpos = NVReadRAMDAC(pNv, head, NV_RAMDAC_CURSOR_POS);
298 NVWriteRAMDAC(pNv, head, NV_RAMDAC_CURSOR_POS, curpos);
301 void nv_show_cursor(NVPtr pNv, int head, bool show)
303 int curctl1 = NVReadVgaCrtc(pNv, head, NV_CIO_CRE_HCUR_ADDR1_INDEX);
306 NVWriteVgaCrtc(pNv, head, NV_CIO_CRE_HCUR_ADDR1_INDEX, curctl1 | 1);
308 NVWriteVgaCrtc(pNv, head, NV_CIO_CRE_HCUR_ADDR1_INDEX, curctl1 & ~1);
310 if (pNv->Architecture == NV_ARCH_40)
311 nv_fix_nv40_hw_cursor(pNv, head);
314 int nv_decode_pll_highregs(NVPtr pNv, uint32_t pll1, uint32_t pll2, bool force_single, int refclk)
316 int M1, N1, M2 = 1, N2 = 1, log2P;
319 N1 = (pll1 >> 8) & 0xff;
320 log2P = (pll1 >> 16) & 0x7; /* never more than 6, and nv30/35 only uses 3 bits */
321 if (pNv->twoStagePLL && pll2 & NV31_RAMDAC_ENABLE_VCO2 && !force_single) {
323 N2 = (pll2 >> 8) & 0xff;
324 } else if (pNv->NVArch == 0x30 || pNv->NVArch == 0x35) {
325 M1 &= 0xf; /* only 4 bits */
326 if (pll1 & NV30_RAMDAC_ENABLE_VCO2) {
327 M2 = (pll1 >> 4) & 0x7;
328 N2 = ((pll2 >> 21) & 0x18) | ((pll2 >> 19) & 0x7);
332 /* Avoid divide by zero if called at an inappropriate time */
336 return (N1 * N2 * refclk / (M1 * M2)) >> log2P;
339 static int nv_decode_pll_lowregs(uint32_t Pval, uint32_t NMNM, int refclk)
341 int M1, N1, M2 = 1, N2 = 1, log2P;
343 log2P = (Pval >> 16) & 0x7;
346 N1 = (NMNM >> 8) & 0xff;
347 /* NVPLL and VPLLs use 1 << 8 to indicate single stage mode, MPLL uses 1 << 12 */
348 if (!(Pval & (1 << 8) || Pval & (1 << 12))) {
349 M2 = (NMNM >> 16) & 0xff;
350 N2 = (NMNM >> 24) & 0xff;
353 /* Avoid divide by zero if called at an inappropriate time */
357 return (N1 * N2 * refclk / (M1 * M2)) >> log2P;
360 static int nv_get_clock(ScrnInfoPtr pScrn, enum pll_types plltype)
362 NVPtr pNv = NVPTR(pScrn);
363 const uint32_t nv04_regs[MAX_PLL_TYPES] = { NV_RAMDAC_NVPLL, NV_RAMDAC_MPLL, NV_RAMDAC_VPLL, NV_RAMDAC_VPLL2 };
364 const uint32_t nv40_regs[MAX_PLL_TYPES] = { 0x4000, 0x4020, NV_RAMDAC_VPLL, NV_RAMDAC_VPLL2 };
366 struct pll_lims pll_lim;
368 if (plltype == MPLL && (pNv->Chipset & 0x0ff0) == CHIPSET_NFORCE) {
369 uint32_t mpllP = (PCI_SLOT_READ_LONG(3, 0x6c) >> 8) & 0xf;
373 return 400000 / mpllP;
374 } else if (plltype == MPLL && (pNv->Chipset & 0xff0) == CHIPSET_NFORCE2)
375 return PCI_SLOT_READ_LONG(5, 0x4c) / 1000;
377 if (pNv->Architecture < NV_ARCH_40)
378 reg1 = nv04_regs[plltype];
380 reg1 = nv40_regs[plltype];
382 if (!get_pll_limits(pScrn, plltype, &pll_lim))
386 return nv_decode_pll_lowregs(nvReadMC(pNv, reg1), nvReadMC(pNv, reg1 + 4), pll_lim.refclk);
387 if (pNv->twoStagePLL) {
388 bool nv40_single = pNv->Architecture == 0x40 && ((plltype == VPLL1 && NVReadRAMDAC(pNv, 0, NV_RAMDAC_580) & NV_RAMDAC_580_VPLL1_ACTIVE) || (plltype == VPLL2 && NVReadRAMDAC(pNv, 0, NV_RAMDAC_580) & NV_RAMDAC_580_VPLL2_ACTIVE));
390 return nv_decode_pll_highregs(pNv, nvReadMC(pNv, reg1), nvReadMC(pNv, reg1 + ((reg1 == NV_RAMDAC_VPLL2) ? 0x5c : 0x70)), nv40_single, pll_lim.refclk);
392 return nv_decode_pll_highregs(pNv, nvReadMC(pNv, reg1), 0, false, pll_lim.refclk);
395 /****************************************************************************\
397 * The video arbitration routines calculate some "magic" numbers. Fixes *
398 * the snow seen when accessing the framebuffer without it. *
399 * It just works (I hope). *
401 \****************************************************************************/
403 struct nv_fifo_info {
406 int graphics_burst_size;
407 int video_burst_size;
411 struct nv_sim_state {
424 static void nv4CalcArbitration(struct nv_fifo_info *fifo, struct nv_sim_state *arb)
426 int pagemiss, cas, width, video_enable, bpp;
427 int nvclks, mclks, pclks, vpagemiss, crtpagemiss, vbs;
428 int found, mclk_extra, mclk_loop, cbs, m1, p1;
429 int mclk_freq, pclk_freq, nvclk_freq, mp_enable;
430 int us_m, us_n, us_p, video_drain_rate, crtc_drain_rate;
431 int vpm_us, us_video, vlwm, video_fill_us, cpm_us, us_crt, clwm;
433 pclk_freq = arb->pclk_khz;
434 mclk_freq = arb->mclk_khz;
435 nvclk_freq = arb->nvclk_khz;
436 pagemiss = arb->mem_page_miss;
437 cas = arb->mem_latency;
438 width = arb->memory_width >> 6;
439 video_enable = arb->enable_video;
441 mp_enable = arb->enable_mp;
471 mclk_loop = mclks + mclk_extra;
472 us_m = mclk_loop * 1000 * 1000 / mclk_freq;
473 us_n = nvclks * 1000 * 1000 / nvclk_freq;
474 us_p = nvclks * 1000 * 1000 / pclk_freq;
476 video_drain_rate = pclk_freq * 2;
477 crtc_drain_rate = pclk_freq * bpp / 8;
481 vpm_us = vpagemiss * pagemiss * 1000 * 1000 / mclk_freq;
482 if (nvclk_freq * 2 > mclk_freq * width)
483 video_fill_us = cbs * 1000 * 1000 / 16 / nvclk_freq;
485 video_fill_us = cbs * 1000 * 1000 / (8 * width) / mclk_freq;
486 us_video = vpm_us + us_m + us_n + us_p + video_fill_us;
487 vlwm = us_video * video_drain_rate / (1000 * 1000);
492 if (vlwm > (256 - 64))
494 if (nvclk_freq * 2 > mclk_freq * width)
495 video_fill_us = vbs * 1000 * 1000 / 16 / nvclk_freq;
497 video_fill_us = vbs * 1000 * 1000 / (8 * width) / mclk_freq;
498 cpm_us = crtpagemiss * pagemiss * 1000 * 1000 / mclk_freq;
499 us_crt = us_video + video_fill_us + cpm_us + us_m + us_n + us_p;
500 clwm = us_crt * crtc_drain_rate / (1000 * 1000);
503 crtc_drain_rate = pclk_freq * bpp / 8;
506 cpm_us = crtpagemiss * pagemiss * 1000 * 1000 / mclk_freq;
507 us_crt = cpm_us + us_m + us_n + us_p;
508 clwm = us_crt * crtc_drain_rate / (1000 * 1000);
511 m1 = clwm + cbs - 512;
512 p1 = m1 * pclk_freq / mclk_freq;
514 if ((p1 < m1 && m1 > 0) ||
515 (video_enable && (clwm > 511 || vlwm > 255)) ||
516 (!video_enable && clwm > 519)) {
525 fifo->graphics_lwm = clwm;
526 fifo->graphics_burst_size = 128;
527 fifo->video_lwm = vlwm + 15;
528 fifo->video_burst_size = vbs;
532 static void nv10CalcArbitration(struct nv_fifo_info *fifo, struct nv_sim_state *arb)
534 int pagemiss, width, video_enable, bpp;
535 int nvclks, mclks, pclks, vpagemiss, crtpagemiss;
537 int found, mclk_extra, mclk_loop, cbs, m1;
538 int mclk_freq, pclk_freq, nvclk_freq, mp_enable;
539 int us_m, us_m_min, us_n, us_p, crtc_drain_rate;
541 int vpm_us, us_video, cpm_us, us_crt, clwm;
543 int m2us, us_pipe_min, p1clk, p2;
545 int us_min_mclk_extra;
547 pclk_freq = arb->pclk_khz; /* freq in KHz */
548 mclk_freq = arb->mclk_khz;
549 nvclk_freq = arb->nvclk_khz;
550 pagemiss = arb->mem_page_miss;
551 width = arb->memory_width / 64;
552 video_enable = arb->enable_video;
554 mp_enable = arb->enable_mp;
557 pclks = 4; /* lwm detect. */
558 nvclks = 3; /* lwm -> sync. */
559 nvclks += 2; /* fbi bus cycles (1 req + 1 busy) */
560 mclks = 1; /* 2 edge sync. may be very close to edge so just put one. */
561 mclks += 1; /* arb_hp_req */
562 mclks += 5; /* ap_hp_req tiling pipeline */
563 mclks += 2; /* tc_req latency fifo */
564 mclks += 2; /* fb_cas_n_ memory request to fbio block */
565 mclks += 7; /* sm_d_rdv data returned from fbio block */
567 /* fb.rd.d.Put_gc need to accumulate 256 bits for read */
568 if (arb->memory_type == 0) {
569 if (arb->memory_width == 64) /* 64 bit bus */
573 } else if (arb->memory_width == 64) /* 64 bit bus */
578 if (!video_enable && arb->memory_width == 128) {
579 mclk_extra = (bpp == 32) ? 31 : 42; /* Margin of error */
582 mclk_extra = (bpp == 32) ? 8 : 4; /* Margin of error */
583 /* mclk_extra = 4; *//* Margin of error */
587 nvclks += 1; /* 2 edge sync. may be very close to edge so just put one. */
588 nvclks += 1; /* fbi_d_rdv_n */
589 nvclks += 1; /* Fbi_d_rdata */
590 nvclks += 1; /* crtfifo load */
593 mclks += 4; /* Mp can get in with a burst of 8. */
594 /* Extra clocks determined by heuristics */
602 mclk_loop = mclks + mclk_extra;
603 us_m = mclk_loop * 1000 * 1000 / mclk_freq; /* Mclk latency in us */
604 us_m_min = mclks * 1000 * 1000 / mclk_freq; /* Minimum Mclk latency in us */
605 us_min_mclk_extra = min_mclk_extra * 1000 * 1000 / mclk_freq;
606 us_n = nvclks * 1000 * 1000 / nvclk_freq; /* nvclk latency in us */
607 us_p = pclks * 1000 * 1000 / pclk_freq; /* nvclk latency in us */
608 us_pipe_min = us_m_min + us_n + us_p;
610 vus_m = mclk_loop * 1000 * 1000 / mclk_freq; /* Mclk latency in us */
613 crtc_drain_rate = pclk_freq * bpp / 8; /* MB/s */
615 vpagemiss = 1; /* self generating page miss */
616 vpagemiss += 1; /* One higher priority before */
618 crtpagemiss = 2; /* self generating page miss */
620 crtpagemiss += 1; /* if MA0 conflict */
622 vpm_us = vpagemiss * pagemiss * 1000 * 1000 / mclk_freq;
624 us_video = vpm_us + vus_m; /* Video has separate read return path */
626 cpm_us = crtpagemiss * pagemiss * 1000 * 1000 / mclk_freq;
627 us_crt = us_video /* Wait for video */
628 + cpm_us /* CRT Page miss */
629 + us_m + us_n + us_p; /* other latency */
631 clwm = us_crt * crtc_drain_rate / (1000 * 1000);
632 clwm++; /* fixed point <= float_point - 1. Fixes that */
634 crtc_drain_rate = pclk_freq * bpp / 8; /* bpp * pclk/8 */
636 crtpagemiss = 1; /* self generating page miss */
637 crtpagemiss += 1; /* MA0 page miss */
639 crtpagemiss += 1; /* if MA0 conflict */
640 cpm_us = crtpagemiss * pagemiss * 1000 * 1000 / mclk_freq;
641 us_crt = cpm_us + us_m + us_n + us_p;
642 clwm = us_crt * crtc_drain_rate / (1000 * 1000);
643 clwm++; /* fixed point <= float_point - 1. Fixes that */
645 /* Finally, a heuristic check when width == 64 bits */
647 nvclk_fill = nvclk_freq * 8;
648 if (crtc_drain_rate * 100 >= nvclk_fill * 102)
649 clwm = 0xfff; /* Large number to fail */
650 else if (crtc_drain_rate * 100 >= nvclk_fill * 98) {
661 clwm_rnd_down = (clwm / 8) * 8;
662 if (clwm_rnd_down < clwm)
665 m1 = clwm + cbs - 1024; /* Amount of overfill */
666 m2us = us_pipe_min + us_min_mclk_extra;
668 /* pclk cycles to drain */
669 p1clk = m2us * pclk_freq / (1000 * 1000);
670 p2 = p1clk * bpp / 8; /* bytes drained. */
672 if (p2 < m1 && m1 > 0) {
675 if (min_mclk_extra == 0) {
677 found = 1; /* Can't adjust anymore! */
679 cbs = cbs / 2; /* reduce the burst size */
682 } else if (clwm > 1023) { /* Have some margin */
685 if (min_mclk_extra == 0)
686 found = 1; /* Can't adjust anymore! */
691 if (clwm < (1024 - cbs + 8))
692 clwm = 1024 - cbs + 8;
693 /* printf("CRT LWM: prog: 0x%x, bs: 256\n", clwm); */
694 fifo->graphics_lwm = clwm;
695 fifo->graphics_burst_size = cbs;
697 fifo->video_lwm = 1024;
698 fifo->video_burst_size = 512;
702 void nv4_10UpdateArbitrationSettings(ScrnInfoPtr pScrn, int VClk, int bpp, uint8_t *burst, uint16_t *lwm)
704 NVPtr pNv = NVPTR(pScrn);
705 struct nv_fifo_info fifo_data;
706 struct nv_sim_state sim_data;
707 int MClk = nv_get_clock(pScrn, MPLL);
708 int NVClk = nv_get_clock(pScrn, NVPLL);
709 uint32_t cfg1 = nvReadFB(pNv, NV_PFB_CFG1);
711 sim_data.pclk_khz = VClk;
712 sim_data.mclk_khz = MClk;
713 sim_data.nvclk_khz = NVClk;
714 sim_data.pix_bpp = bpp;
715 sim_data.enable_mp = false;
716 if ((pNv->Chipset & 0xffff) == CHIPSET_NFORCE ||
717 (pNv->Chipset & 0xffff) == CHIPSET_NFORCE2) {
718 sim_data.enable_video = false;
719 sim_data.memory_type = (PCI_SLOT_READ_LONG(1, 0x7c) >> 12) & 1;
720 sim_data.memory_width = 64;
721 sim_data.mem_latency = 3;
722 sim_data.mem_page_miss = 10;
724 sim_data.enable_video = (pNv->Architecture != NV_ARCH_04);
725 sim_data.memory_type = nvReadFB(pNv, NV_PFB_CFG0) & 0x1;
726 sim_data.memory_width = (nvReadEXTDEV(pNv, NV_PEXTDEV_BOOT_0) & 0x10) ? 128 : 64;
727 sim_data.mem_latency = cfg1 & 0xf;
728 sim_data.mem_page_miss = ((cfg1 >> 4) & 0xf) + ((cfg1 >> 31) & 0x1);
731 if (pNv->Architecture == NV_ARCH_04)
732 nv4CalcArbitration(&fifo_data, &sim_data);
734 nv10CalcArbitration(&fifo_data, &sim_data);
736 if (fifo_data.valid) {
737 int b = fifo_data.graphics_burst_size >> 4;
741 *lwm = fifo_data.graphics_lwm >> 3;
745 void nv30UpdateArbitrationSettings(uint8_t *burst, uint16_t *lwm)
747 unsigned int fifo_size, burst_size, graphics_lwm;
751 graphics_lwm = fifo_size - burst_size;
755 while (burst_size >>= 1)
757 *lwm = graphics_lwm >> 3;
760 /****************************************************************************\
762 * RIVA Mode State Routines *
764 \****************************************************************************/
767 * Calculate the Video Clock parameters for the PLL.
769 static void CalcVClock (
776 unsigned lowM, highM;
777 unsigned DeltaNew, DeltaOld;
781 DeltaOld = 0xFFFFFFFF;
783 VClk = (unsigned)clockIn;
785 if (pNv->CrystalFreqKHz == 13500) {
793 for (P = 0; P <= 4; P++) {
795 if ((Freq >= 128000) && (Freq <= 350000)) {
796 for (M = lowM; M <= highM; M++) {
797 N = ((VClk << P) * M) / pNv->CrystalFreqKHz;
799 Freq = ((pNv->CrystalFreqKHz * N) / M) >> P;
801 DeltaNew = Freq - VClk;
803 DeltaNew = VClk - Freq;
804 if (DeltaNew < DeltaOld) {
805 *pllOut = (P << 16) | (N << 8) | M;
815 static void CalcVClock2Stage (
823 unsigned DeltaNew, DeltaOld;
827 DeltaOld = 0xFFFFFFFF;
829 *pllBOut = 0x80000401; /* fixed at x4 for now */
831 VClk = (unsigned)clockIn;
833 for (P = 0; P <= 6; P++) {
835 if ((Freq >= 400000) && (Freq <= 1000000)) {
836 for (M = 1; M <= 13; M++) {
837 N = ((VClk << P) * M) / (pNv->CrystalFreqKHz << 2);
838 if((N >= 5) && (N <= 255)) {
839 Freq = (((pNv->CrystalFreqKHz << 2) * N) / M) >> P;
841 DeltaNew = Freq - VClk;
843 DeltaNew = VClk - Freq;
844 if (DeltaNew < DeltaOld) {
845 *pllOut = (P << 16) | (N << 8) | M;
856 * Calculate extended mode parameters (SVGA) and save in a
857 * mode state structure.
859 void NVCalcStateExt (
861 RIVA_HW_STATE *state,
870 NVPtr pNv = NVPTR(pScrn);
871 int pixelDepth, VClk = 0;
875 * Save mode parameters.
877 state->bpp = bpp; /* this is not bitsPerPixel, it's 8,15,16,32 */
878 state->width = width;
879 state->height = height;
881 * Extended RIVA registers.
883 pixelDepth = (bpp + 1)/8;
885 CalcVClock2Stage(dotClock, &VClk, &state->pll, &state->pllB, pNv);
887 CalcVClock(dotClock, &VClk, &state->pll, pNv);
889 switch (pNv->Architecture)
892 nv4_10UpdateArbitrationSettings(pScrn, VClk,
894 &(state->arbitration0),
895 &(state->arbitration1));
896 state->cursor0 = 0x00;
897 state->cursor1 = 0xbC;
898 if (flags & V_DBLSCAN)
900 state->cursor2 = 0x00000000;
901 state->pllsel = 0x10000700;
902 state->general = bpp == 16 ? 0x00101100 : 0x00100100;
903 state->repaint1 = hDisplaySize < 1280 ? 0x04 : 0x00;
909 if(((pNv->Chipset & 0xfff0) == CHIPSET_C51) ||
910 ((pNv->Chipset & 0xfff0) == CHIPSET_C512))
912 state->arbitration0 = 128;
913 state->arbitration1 = 0x0480;
914 } else if(pNv->Architecture < NV_ARCH_30) {
915 nv4_10UpdateArbitrationSettings(pScrn, VClk,
917 &(state->arbitration0),
918 &(state->arbitration1));
920 nv30UpdateArbitrationSettings(&(state->arbitration0),
921 &(state->arbitration1));
923 CursorStart = pNv->Cursor->offset;
924 state->cursor0 = 0x80 | (CursorStart >> 17);
925 state->cursor1 = (CursorStart >> 11) << 2;
926 state->cursor2 = CursorStart >> 24;
927 if (flags & V_DBLSCAN)
929 state->pllsel = 0x10000700;
930 state->general = bpp == 16 ? 0x00101100 : 0x00100100;
931 state->repaint1 = hDisplaySize < 1280 ? 0x04 : 0x00;
935 if(bpp != 8) /* DirectColor */
936 state->general |= 0x00000030;
938 state->repaint0 = (((width / 8) * pixelDepth) & 0x700) >> 3;
939 state->pixel = (pixelDepth > 2) ? 3 : pixelDepth;
943 void NVLoadStateExt (
948 NVPtr pNv = NVPTR(pScrn);
951 if(pNv->Architecture >= NV_ARCH_40) {
952 switch(pNv->Chipset & 0xfff0) {
961 temp = nvReadCurRAMDAC(pNv, NV_RAMDAC_TEST_CONTROL);
962 nvWriteCurRAMDAC(pNv, NV_RAMDAC_TEST_CONTROL, temp | 0x00100000);
969 if(pNv->Architecture >= NV_ARCH_10) {
971 NVWriteCRTC(pNv, 0, NV_CRTC_FSEL, state->head);
972 NVWriteCRTC(pNv, 1, NV_CRTC_FSEL, state->head2);
974 temp = nvReadCurRAMDAC(pNv, NV_RAMDAC_NV10_CURSYNC);
975 nvWriteCurRAMDAC(pNv, NV_RAMDAC_NV10_CURSYNC, temp | (1 << 25));
977 nvWriteVIDEO(pNv, NV_PVIDEO_STOP, 1);
978 nvWriteVIDEO(pNv, NV_PVIDEO_INTR_EN, 0);
979 nvWriteVIDEO(pNv, NV_PVIDEO_OFFSET_BUFF(0), 0);
980 nvWriteVIDEO(pNv, NV_PVIDEO_OFFSET_BUFF(1), 0);
981 nvWriteVIDEO(pNv, NV_PVIDEO_LIMIT(0), pNv->VRAMPhysicalSize - 1);
982 nvWriteVIDEO(pNv, NV_PVIDEO_LIMIT(1), pNv->VRAMPhysicalSize - 1);
983 nvWriteVIDEO(pNv, NV_PVIDEO_UVPLANE_LIMIT(0), pNv->VRAMPhysicalSize - 1);
984 nvWriteVIDEO(pNv, NV_PVIDEO_UVPLANE_LIMIT(1), pNv->VRAMPhysicalSize - 1);
985 nvWriteMC(pNv, NV_PBUS_POWERCTRL_2, 0);
987 nvWriteCurCRTC(pNv, NV_CRTC_CURSOR_CONFIG, state->cursorConfig);
988 nvWriteCurCRTC(pNv, NV_CRTC_0830, state->displayV - 3);
989 nvWriteCurCRTC(pNv, NV_CRTC_0834, state->displayV - 1);
992 if((pNv->Chipset & 0x0ff0) == CHIPSET_NV11) {
993 nvWriteCurRAMDAC(pNv, NV_RAMDAC_DITHER_NV11, state->dither);
996 nvWriteCurRAMDAC(pNv, NV_RAMDAC_FP_DITHER, state->dither);
999 nvWriteCurVGA(pNv, NV_CIO_CRE_53, state->timingH);
1000 nvWriteCurVGA(pNv, NV_CIO_CRE_54, state->timingV);
1001 nvWriteCurVGA(pNv, NV_CIO_CRE_21, 0xfa);
1004 nvWriteCurVGA(pNv, NV_CIO_CRE_EBR_INDEX, state->extra);
1007 nvWriteCurVGA(pNv, NV_CIO_CRE_RPC0_INDEX, state->repaint0);
1008 nvWriteCurVGA(pNv, NV_CIO_CRE_RPC1_INDEX, state->repaint1);
1009 nvWriteCurVGA(pNv, NV_CIO_CRE_LSR_INDEX, state->screen);
1010 nvWriteCurVGA(pNv, NV_CIO_CRE_PIXEL_INDEX, state->pixel);
1011 nvWriteCurVGA(pNv, NV_CIO_CRE_HEB__INDEX, state->horiz);
1012 nvWriteCurVGA(pNv, NV_CIO_CRE_ENH_INDEX, state->fifo);
1013 nvWriteCurVGA(pNv, NV_CIO_CRE_FF_INDEX, state->arbitration0);
1014 nvWriteCurVGA(pNv, NV_CIO_CRE_FFLWM__INDEX, state->arbitration1);
1015 if(pNv->Architecture >= NV_ARCH_30) {
1016 nvWriteCurVGA(pNv, NV_CIO_CRE_47, state->arbitration1 >> 8);
1019 nvWriteCurVGA(pNv, NV_CIO_CRE_HCUR_ADDR0_INDEX, state->cursor0);
1020 nvWriteCurVGA(pNv, NV_CIO_CRE_HCUR_ADDR1_INDEX, state->cursor1);
1021 if(pNv->Architecture == NV_ARCH_40) { /* HW bug */
1022 volatile CARD32 curpos = nvReadCurRAMDAC(pNv, NV_RAMDAC_CURSOR_POS);
1023 nvWriteCurRAMDAC(pNv, NV_RAMDAC_CURSOR_POS, curpos);
1025 nvWriteCurVGA(pNv, NV_CIO_CRE_HCUR_ADDR2_INDEX, state->cursor2);
1026 nvWriteCurVGA(pNv, NV_CIO_CRE_ILACE__INDEX, state->interlace);
1028 if(!pNv->FlatPanel) {
1029 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_PLL_SELECT, state->pllsel);
1030 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL, state->vpll);
1032 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL2, state->vpll2);
1033 if(pNv->twoStagePLL) {
1034 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL_B, state->vpllB);
1035 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL2_B, state->vpll2B);
1038 nvWriteCurRAMDAC(pNv, NV_RAMDAC_FP_CONTROL, state->scale);
1039 nvWriteCurRAMDAC(pNv, NV_RAMDAC_FP_HCRTC, state->crtcSync);
1041 nvWriteCurRAMDAC(pNv, NV_RAMDAC_GENERAL_CONTROL, state->general);
1043 nvWriteCurCRTC(pNv, NV_CRTC_INTR_EN_0, 0);
1044 nvWriteCurCRTC(pNv, NV_CRTC_INTR_0, NV_CRTC_INTR_VBLANK);
1047 void NVUnloadStateExt
1050 RIVA_HW_STATE *state
1053 state->repaint0 = nvReadCurVGA(pNv, NV_CIO_CRE_RPC0_INDEX);
1054 state->repaint1 = nvReadCurVGA(pNv, NV_CIO_CRE_RPC1_INDEX);
1055 state->screen = nvReadCurVGA(pNv, NV_CIO_CRE_LSR_INDEX);
1056 state->pixel = nvReadCurVGA(pNv, NV_CIO_CRE_PIXEL_INDEX);
1057 state->horiz = nvReadCurVGA(pNv, NV_CIO_CRE_HEB__INDEX);
1058 state->fifo = nvReadCurVGA(pNv, NV_CIO_CRE_ENH_INDEX);
1059 state->arbitration0 = nvReadCurVGA(pNv, NV_CIO_CRE_FF_INDEX);
1060 state->arbitration1 = nvReadCurVGA(pNv, NV_CIO_CRE_FFLWM__INDEX);
1061 if(pNv->Architecture >= NV_ARCH_30) {
1062 state->arbitration1 |= (nvReadCurVGA(pNv, NV_CIO_CRE_47) & 1) << 8;
1064 state->cursor0 = nvReadCurVGA(pNv, NV_CIO_CRE_HCUR_ADDR0_INDEX);
1065 state->cursor1 = nvReadCurVGA(pNv, NV_CIO_CRE_HCUR_ADDR1_INDEX);
1066 state->cursor2 = nvReadCurVGA(pNv, NV_CIO_CRE_HCUR_ADDR2_INDEX);
1067 state->interlace = nvReadCurVGA(pNv, NV_CIO_CRE_ILACE__INDEX);
1069 state->vpll = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL);
1071 state->vpll2 = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL2);
1072 if(pNv->twoStagePLL) {
1073 state->vpllB = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL_B);
1074 state->vpll2B = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL2_B);
1076 state->pllsel = NVReadRAMDAC(pNv, 0, NV_RAMDAC_PLL_SELECT);
1077 state->general = nvReadCurRAMDAC(pNv, NV_RAMDAC_GENERAL_CONTROL);
1078 state->scale = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_CONTROL);
1080 if(pNv->Architecture >= NV_ARCH_10) {
1082 state->head = NVReadCRTC(pNv, 0, NV_CRTC_FSEL);
1083 state->head2 = NVReadCRTC(pNv, 1, NV_CRTC_FSEL);
1084 state->crtcOwner = nvReadCurVGA(pNv, NV_CIO_CRE_44);
1086 state->extra = nvReadCurVGA(pNv, NV_CIO_CRE_EBR_INDEX);
1088 state->cursorConfig = nvReadCurCRTC(pNv, NV_CRTC_CURSOR_CONFIG);
1090 if((pNv->Chipset & 0x0ff0) == CHIPSET_NV11) {
1091 state->dither = nvReadCurRAMDAC(pNv, NV_RAMDAC_DITHER_NV11);
1094 state->dither = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_DITHER);
1097 if(pNv->FlatPanel) {
1098 state->timingH = nvReadCurVGA(pNv, NV_CIO_CRE_53);
1099 state->timingV = nvReadCurVGA(pNv, NV_CIO_CRE_54);
1103 if(pNv->FlatPanel) {
1104 state->crtcSync = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_HCRTC);
1108 void NVSetStartAddress (
1113 nvWriteCurCRTC(pNv, NV_CRTC_START, start);
1116 uint32_t nv_pitch_align(NVPtr pNv, uint32_t width, int bpp)
1125 /* Alignment requirements taken from the Haiku driver */
1126 if (pNv->Architecture == NV_ARCH_04)
1127 mask = 128 / bpp - 1;
1129 mask = 512 / bpp - 1;
1131 return (width + mask) & ~mask;
1134 #define VGA_SEQ_PLANE_WRITE 0x02
1135 #define VGA_SEQ_MEMORY_MODE 0x04
1136 #define VGA_GFX_PLANE_READ 0x04
1137 #define VGA_GFX_MODE 0x05
1138 #define VGA_GFX_MISC 0x06
1140 void nv_save_restore_vga_fonts(ScrnInfoPtr pScrn, bool save)
1142 NVPtr pNv = NVPTR(pScrn);
1144 uint8_t misc, gr4, gr5, gr6, seq2, seq4;
1147 NVSetEnablePalette(pNv, 0, true);
1148 graphicsmode = NVReadVgaAttr(pNv, 0, 0x10) & 1;
1149 NVSetEnablePalette(pNv, 0, false);
1151 if (graphicsmode) /* graphics mode => framebuffer => no need to save */
1154 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "%sing VGA fonts\n", save ? "Sav" : "Restor");
1156 NVBlankScreen(pNv, 1, true);
1157 NVBlankScreen(pNv, 0, true);
1159 /* save control regs */
1160 misc = NVReadPRMVIO(pNv, 0, VGA_MISC_OUT_R);
1161 seq2 = NVReadVgaSeq(pNv, 0, VGA_SEQ_PLANE_WRITE);
1162 seq4 = NVReadVgaSeq(pNv, 0, VGA_SEQ_MEMORY_MODE);
1163 gr4 = NVReadVgaGr(pNv, 0, VGA_GFX_PLANE_READ);
1164 gr5 = NVReadVgaGr(pNv, 0, VGA_GFX_MODE);
1165 gr6 = NVReadVgaGr(pNv, 0, VGA_GFX_MISC);
1167 NVWritePRMVIO(pNv, 0, VGA_MISC_OUT_W, 0x67);
1168 NVWriteVgaSeq(pNv, 0, VGA_SEQ_MEMORY_MODE, 0x6);
1169 NVWriteVgaGr(pNv, 0, VGA_GFX_MODE, 0x0);
1170 NVWriteVgaGr(pNv, 0, VGA_GFX_MISC, 0x5);
1172 /* store font in plane 0 */
1173 NVWriteVgaSeq(pNv, 0, VGA_SEQ_PLANE_WRITE, 0x1);
1174 NVWriteVgaGr(pNv, 0, VGA_GFX_PLANE_READ, 0x0);
1175 for (i = 0; i < 16384; i++)
1177 pNv->saved_vga_font[0][i] = MMIO_IN32(pNv->FB_BAR, i * 4);
1179 MMIO_OUT32(pNv->FB_BAR, i * 4, pNv->saved_vga_font[0][i]);
1181 /* store font in plane 1 */
1182 NVWriteVgaSeq(pNv, 0, VGA_SEQ_PLANE_WRITE, 0x2);
1183 NVWriteVgaGr(pNv, 0, VGA_GFX_PLANE_READ, 0x1);
1184 for (i = 0; i < 16384; i++)
1186 pNv->saved_vga_font[1][i] = MMIO_IN32(pNv->FB_BAR, i * 4);
1188 MMIO_OUT32(pNv->FB_BAR, i * 4, pNv->saved_vga_font[1][i]);
1190 /* store font in plane 2 */
1191 NVWriteVgaSeq(pNv, 0, VGA_SEQ_PLANE_WRITE, 0x4);
1192 NVWriteVgaGr(pNv, 0, VGA_GFX_PLANE_READ, 0x2);
1193 for (i = 0; i < 16384; i++)
1195 pNv->saved_vga_font[2][i] = MMIO_IN32(pNv->FB_BAR, i * 4);
1197 MMIO_OUT32(pNv->FB_BAR, i * 4, pNv->saved_vga_font[2][i]);
1199 /* store font in plane 3 */
1200 NVWriteVgaSeq(pNv, 0, VGA_SEQ_PLANE_WRITE, 0x8);
1201 NVWriteVgaGr(pNv, 0, VGA_GFX_PLANE_READ, 0x3);
1202 for (i = 0; i < 16384; i++)
1204 pNv->saved_vga_font[3][i] = MMIO_IN32(pNv->FB_BAR, i * 4);
1206 MMIO_OUT32(pNv->FB_BAR, i * 4, pNv->saved_vga_font[3][i]);
1208 /* restore control regs */
1209 NVWritePRMVIO(pNv, 0, VGA_MISC_OUT_W, misc);
1210 NVWriteVgaGr(pNv, 0, VGA_GFX_PLANE_READ, gr4);
1211 NVWriteVgaGr(pNv, 0, VGA_GFX_MODE, gr5);
1212 NVWriteVgaGr(pNv, 0, VGA_GFX_MISC, gr6);
1213 NVWriteVgaSeq(pNv, 0, VGA_SEQ_PLANE_WRITE, seq2);
1214 NVWriteVgaSeq(pNv, 0, VGA_SEQ_MEMORY_MODE, seq4);
1217 NVBlankScreen(pNv, 1, false);
1218 NVBlankScreen(pNv, 0, false);