1 /***************************************************************************\
3 |* Copyright 1993-2003 NVIDIA, Corporation. All rights reserved. *|
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14 |* Copyright 1993-2003 NVIDIA, Corporation. All rights reserved. *|
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36 |* those rights set forth herein. *|
38 \***************************************************************************/
39 /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nv_hw.c,v 1.21 2006/06/16 00:19:33 mvojkovi Exp $ */
41 #include "nv_include.h"
45 uint32_t NVRead(NVPtr pNv, uint32_t reg)
47 DDXMMIOW("NVRead: reg %08x val %08x\n", reg, (uint32_t)NV_RD32(pNv->REGS, reg));
48 return NV_RD32(pNv->REGS, reg);
51 void NVWrite(NVPtr pNv, uint32_t reg, uint32_t val)
53 DDXMMIOW("NVWrite: reg %08x val %08x\n", reg, NV_WR32(pNv->REGS, reg, val));
56 uint32_t NVReadCRTC(NVPtr pNv, int head, uint32_t reg)
59 reg += NV_PCRTC0_SIZE;
60 DDXMMIOH("NVReadCRTC: head %d reg %08x val %08x\n", head, reg, (uint32_t)NV_RD32(pNv->REGS, reg));
61 return NV_RD32(pNv->REGS, reg);
64 void NVWriteCRTC(NVPtr pNv, int head, uint32_t reg, uint32_t val)
67 reg += NV_PCRTC0_SIZE;
68 DDXMMIOH("NVWriteCRTC: head %d reg %08x val %08x\n", head, reg, val);
69 NV_WR32(pNv->REGS, reg, val);
72 uint32_t NVReadRAMDAC(NVPtr pNv, int head, uint32_t reg)
75 reg += NV_PRAMDAC0_SIZE;
76 DDXMMIOH("NVReadRamdac: head %d reg %08x val %08x\n", head, reg, (uint32_t)NV_RD32(pNv->REGS, reg));
77 return NV_RD32(pNv->REGS, reg);
80 void NVWriteRAMDAC(NVPtr pNv, int head, uint32_t reg, uint32_t val)
83 reg += NV_PRAMDAC0_SIZE;
84 DDXMMIOH("NVWriteRamdac: head %d reg %08x val %08x\n", head, reg, val);
85 NV_WR32(pNv->REGS, reg, val);
88 uint8_t nv_dcb_read_tmds(NVPtr pNv, int dcb_entry, int dl, uint8_t address)
90 int ramdac = (pNv->dcb_table.entry[dcb_entry].or & OUTPUT_C) >> 2;
92 NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_CONTROL + dl * 8,
93 NV_RAMDAC_FP_TMDS_CONTROL_WRITE_DISABLE | address);
94 return NVReadRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_DATA + dl * 8);
97 void nv_dcb_write_tmds(NVPtr pNv, int dcb_entry, int dl, uint8_t address, uint8_t data)
99 int ramdac = (pNv->dcb_table.entry[dcb_entry].or & OUTPUT_C) >> 2;
101 NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_DATA + dl * 8, data);
102 NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_CONTROL + dl * 8, address);
105 void NVWriteVgaCrtc(NVPtr pNv, int head, uint8_t index, uint8_t value)
107 uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
109 DDXMMIOH("NVWriteVgaCrtc: head %d index 0x%02x data 0x%02x\n", head, index, value);
110 NV_WR08(pNv->REGS, CRTC_INDEX_COLOR + mmiobase, index);
111 NV_WR08(pNv->REGS, CRTC_DATA_COLOR + mmiobase, value);
114 uint8_t NVReadVgaCrtc(NVPtr pNv, int head, uint8_t index)
116 uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
118 NV_WR08(pNv->REGS, CRTC_INDEX_COLOR + mmiobase, index);
119 DDXMMIOH("NVReadVgaCrtc: head %d index 0x%02x data 0x%02x\n", head, index, NV_RD08(pNv->REGS, CRTC_DATA_COLOR + mmiobase));
120 return NV_RD08(pNv->REGS, CRTC_DATA_COLOR + mmiobase);
123 /* CR57 and CR58 are a fun pair of regs. CR57 provides an index (0-0xf) for CR58
124 * I suspect they in fact do nothing, but are merely a way to carry useful
125 * per-head variables around
129 * 0x00 index to the appropriate dcb entry (or 7f for inactive)
130 * 0x02 dcb entry's "or" value (or 00 for inactive)
131 * 0x03 bit0 set for dual link (LVDS, possibly elsewhere too)
132 * 0x08 or 0x09 pxclk in MHz
133 * 0x0f laptop panel info - low nibble for PEXTDEV_BOOT_0 strap
134 * high nibble for xlat strap value
137 void NVWriteVgaCrtc5758(NVPtr pNv, int head, uint8_t index, uint8_t value)
139 NVWriteVgaCrtc(pNv, head, 0x57, index);
140 NVWriteVgaCrtc(pNv, head, 0x58, value);
143 uint8_t NVReadVgaCrtc5758(NVPtr pNv, int head, uint8_t index)
145 NVWriteVgaCrtc(pNv, head, 0x57, index);
146 return NVReadVgaCrtc(pNv, head, 0x58);
149 uint8_t NVReadPVIO(NVPtr pNv, int head, uint16_t port)
151 /* Only NV4x have two pvio ranges */
152 uint32_t mmiobase = (head && pNv->Architecture == NV_ARCH_40) ? NV_PVIO1_OFFSET : NV_PVIO0_OFFSET;
154 DDXMMIOH("NVReadPVIO: head %d reg %08x val %02x\n", head, port + mmiobase, NV_RD08(pNv->REGS, port + mmiobase));
155 return NV_RD08(pNv->REGS, port + mmiobase);
158 void NVWritePVIO(NVPtr pNv, int head, uint16_t port, uint8_t value)
160 /* Only NV4x have two pvio ranges */
161 uint32_t mmiobase = (head && pNv->Architecture == NV_ARCH_40) ? NV_PVIO1_OFFSET : NV_PVIO0_OFFSET;
163 DDXMMIOH("NVWritePVIO: head %d reg %08x val %02x\n", head, port + mmiobase, value);
164 NV_WR08(pNv->REGS, port + mmiobase, value);
167 void NVWriteVgaSeq(NVPtr pNv, int head, uint8_t index, uint8_t value)
169 NVWritePVIO(pNv, head, VGA_SEQ_INDEX, index);
170 NVWritePVIO(pNv, head, VGA_SEQ_DATA, value);
173 uint8_t NVReadVgaSeq(NVPtr pNv, int head, uint8_t index)
175 NVWritePVIO(pNv, head, VGA_SEQ_INDEX, index);
176 return NVReadPVIO(pNv, head, VGA_SEQ_DATA);
179 void NVWriteVgaGr(NVPtr pNv, int head, uint8_t index, uint8_t value)
181 NVWritePVIO(pNv, head, VGA_GRAPH_INDEX, index);
182 NVWritePVIO(pNv, head, VGA_GRAPH_DATA, value);
185 uint8_t NVReadVgaGr(NVPtr pNv, int head, uint8_t index)
187 NVWritePVIO(pNv, head, VGA_GRAPH_INDEX, index);
188 return NVReadPVIO(pNv, head, VGA_GRAPH_DATA);
191 #define CRTC_IN_STAT_1 0x3da
193 void NVSetEnablePalette(NVPtr pNv, int head, bool enable)
195 uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
197 VGA_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
198 VGA_WR08(pNv->REGS, VGA_ATTR_INDEX + mmiobase, enable ? 0 : 0x20);
201 static bool NVGetEnablePalette(NVPtr pNv, int head)
203 uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
205 VGA_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
206 return !(VGA_RD08(pNv->REGS, VGA_ATTR_INDEX + mmiobase) & 0x20);
209 void NVWriteVgaAttr(NVPtr pNv, int head, uint8_t index, uint8_t value)
211 uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
213 if (NVGetEnablePalette(pNv, head))
218 NV_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
219 DDXMMIOH("NVWriteVgaAttr: head %d index 0x%02x data 0x%02x\n", head, index, value);
220 NV_WR08(pNv->REGS, VGA_ATTR_INDEX + mmiobase, index);
221 NV_WR08(pNv->REGS, VGA_ATTR_DATA_W + mmiobase, value);
224 uint8_t NVReadVgaAttr(NVPtr pNv, int head, uint8_t index)
226 uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
228 if (NVGetEnablePalette(pNv, head))
233 NV_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
234 NV_WR08(pNv->REGS, VGA_ATTR_INDEX + mmiobase, index);
235 DDXMMIOH("NVReadVgaAttr: head %d index 0x%02x data 0x%02x\n", head, index, NV_RD08(pNv->REGS, VGA_ATTR_DATA_R + mmiobase));
236 return NV_RD08(pNv->REGS, VGA_ATTR_DATA_R + mmiobase);
239 void NVVgaSeqReset(NVPtr pNv, int head, bool start)
241 NVWriteVgaSeq(pNv, head, 0x0, start ? 0x1 : 0x3);
244 void NVVgaProtect(NVPtr pNv, int head, bool protect)
246 uint8_t seq1 = NVReadVgaSeq(pNv, head, 0x1);
249 NVVgaSeqReset(pNv, head, true);
250 NVWriteVgaSeq(pNv, head, 0x01, seq1 | 0x20);
252 /* Reenable sequencer, then turn on screen */
253 NVWriteVgaSeq(pNv, head, 0x01, seq1 & ~0x20); /* reenable display */
254 NVVgaSeqReset(pNv, head, false);
256 NVSetEnablePalette(pNv, head, protect);
259 void NVSetOwner(ScrnInfoPtr pScrn, int head)
261 NVPtr pNv = NVPTR(pScrn);
262 /* CRTCX_OWNER is always changed on CRTC0 */
263 NVWriteVgaCrtc(pNv, 0, NV_VGA_CRTCX_OWNER, head * 0x3);
265 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Setting owner: 0x%X.\n", head * 0x3);
268 void NVLockVgaCrtc(NVPtr pNv, int head, bool lock)
272 NVWriteVgaCrtc(pNv, head, NV_VGA_CRTCX_LOCK, lock ? 0x99 : 0x57);
274 cr11 = NVReadVgaCrtc(pNv, head, NV_VGA_CRTCX_VSYNCE);
279 NVWriteVgaCrtc(pNv, head, NV_VGA_CRTCX_VSYNCE, cr11);
282 void NVBlankScreen(ScrnInfoPtr pScrn, int head, bool blank)
285 NVPtr pNv = NVPTR(pScrn);
288 NVSetOwner(pScrn, head);
290 seq1 = NVReadVgaSeq(pNv, head, 0x1);
292 NVVgaSeqReset(pNv, head, TRUE);
294 NVWriteVgaSeq(pNv, head, 0x1, seq1 | 0x20);
296 NVWriteVgaSeq(pNv, head, 0x1, seq1 & ~0x20);
297 NVVgaSeqReset(pNv, head, FALSE);
300 int nv_decode_pll_highregs(NVPtr pNv, uint32_t pll1, uint32_t pll2, bool force_single)
302 int M1, N1, M2 = 1, N2 = 1, log2P;
305 N1 = (pll1 >> 8) & 0xff;
306 log2P = (pll1 >> 16) & 0x7; /* never more than 6, and nv30/35 only uses 3 bits */
307 if (pNv->twoStagePLL && pll2 & NV31_RAMDAC_ENABLE_VCO2 && !force_single) {
309 N2 = (pll2 >> 8) & 0xff;
310 } else if (pNv->NVArch == 0x30 || pNv->NVArch == 0x35) {
311 M1 &= 0xf; /* only 4 bits */
312 if (pll1 & NV30_RAMDAC_ENABLE_VCO2) {
313 M2 = (pll1 >> 4) & 0x7;
314 N2 = ((pll2 >> 21) & 0x18) | ((pll2 >> 19) & 0x7);
318 /* Avoid divide by zero if called at an inappropriate time */
322 return (N1 * N2 * pNv->CrystalFreqKHz / (M1 * M2)) >> log2P;
325 static int nv_decode_pll_lowregs(NVPtr pNv, uint32_t Pval, uint32_t NMNM)
327 int M1, N1, M2 = 1, N2 = 1, log2P;
329 log2P = (Pval >> 16) & 0x7;
332 N1 = (NMNM >> 8) & 0xff;
333 /* NVPLL and VPLLs use 1 << 8 to indicate single stage mode, MPLL uses 1 << 12 */
334 if (!(Pval & (1 << 8) || Pval & (1 << 12))) {
335 M2 = (NMNM >> 16) & 0xff;
336 N2 = (NMNM >> 24) & 0xff;
339 /* Avoid divide by zero if called at an inappropriate time */
343 return (N1 * N2 * pNv->CrystalFreqKHz / (M1 * M2)) >> log2P;
347 static int nv_get_clock(NVPtr pNv, enum pll_types plltype)
349 const uint32_t nv04_regs[MAX_PLL_TYPES] = { NV_RAMDAC_NVPLL, NV_RAMDAC_MPLL, NV_RAMDAC_VPLL, NV_RAMDAC_VPLL2 };
350 const uint32_t nv40_regs[MAX_PLL_TYPES] = { 0x4000, 0x4020, NV_RAMDAC_VPLL, NV_RAMDAC_VPLL2 };
353 if (pNv->Architecture < NV_ARCH_40)
354 reg1 = nv04_regs[plltype];
356 reg1 = nv40_regs[plltype];
359 return nv_decode_pll_lowregs(pNv, nvReadMC(pNv, reg1), nvReadMC(pNv, reg1 + 4));
360 if (pNv->twoStagePLL) {
361 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));
363 return nv_decode_pll_highregs(pNv, nvReadMC(pNv, reg1), nvReadMC(pNv, reg1 + ((reg1 == NV_RAMDAC_VPLL2) ? 0x5c : 0x70)), nv40_single);
365 return nv_decode_pll_highregs(pNv, nvReadMC(pNv, reg1), 0, false);
368 /****************************************************************************\
370 * The video arbitration routines calculate some "magic" numbers. Fixes *
371 * the snow seen when accessing the framebuffer without it. *
372 * It just works (I hope). *
374 \****************************************************************************/
379 int graphics_burst_size;
380 int video_burst_size;
401 int graphics_burst_size;
402 int video_burst_size;
410 uint8_t mem_page_miss;
412 uint32_t memory_type;
413 uint32_t memory_width;
414 uint8_t enable_video;
415 uint8_t gr_during_vid;
421 static void nv4CalcArbitration (
426 int data, 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;
434 pclk_freq = arb->pclk_khz;
435 mclk_freq = arb->mclk_khz;
436 nvclk_freq = arb->nvclk_khz;
437 pagemiss = arb->mem_page_miss;
438 cas = arb->mem_latency;
439 width = arb->memory_width >> 6;
440 video_enable = arb->enable_video;
442 mp_enable = arb->enable_mp;
473 mclk_loop = mclks+mclk_extra;
474 us_m = mclk_loop *1000*1000 / mclk_freq;
475 us_n = nvclks*1000*1000 / nvclk_freq;
476 us_p = nvclks*1000*1000 / pclk_freq;
479 video_drain_rate = pclk_freq * 2;
480 crtc_drain_rate = pclk_freq * bpp/8;
484 vpm_us = (vpagemiss * pagemiss)*1000*1000/mclk_freq;
485 if (nvclk_freq * 2 > mclk_freq * width)
486 video_fill_us = cbs*1000*1000 / 16 / nvclk_freq ;
488 video_fill_us = cbs*1000*1000 / (8 * width) / mclk_freq;
489 us_video = vpm_us + us_m + us_n + us_p + video_fill_us;
490 vlwm = us_video * video_drain_rate/(1000*1000);
493 if (vlwm > 128) vbs = 64;
494 if (vlwm > (256-64)) vbs = 32;
495 if (nvclk_freq * 2 > mclk_freq * width)
496 video_fill_us = vbs *1000*1000/ 16 / nvclk_freq ;
498 video_fill_us = vbs*1000*1000 / (8 * width) / mclk_freq;
499 cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
506 clwm = us_crt * crtc_drain_rate/(1000*1000);
511 crtc_drain_rate = pclk_freq * bpp/8;
514 cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
515 us_crt = cpm_us + us_m + us_n + us_p ;
516 clwm = us_crt * crtc_drain_rate/(1000*1000);
519 m1 = clwm + cbs - 512;
520 p1 = m1 * pclk_freq / mclk_freq;
522 if ((p1 < m1) && (m1 > 0))
526 if (mclk_extra ==0) found = 1;
529 else if (video_enable)
531 if ((clwm > 511) || (vlwm > 255))
535 if (mclk_extra ==0) found = 1;
545 if (mclk_extra ==0) found = 1;
549 if (clwm < 384) clwm = 384;
550 if (vlwm < 128) vlwm = 128;
552 fifo->graphics_lwm = data;
553 fifo->graphics_burst_size = 128;
554 data = (int)((vlwm+15));
555 fifo->video_lwm = data;
556 fifo->video_burst_size = vbs;
560 void nv4UpdateArbitrationSettings (
568 nv4_fifo_info fifo_data;
569 nv4_sim_state sim_data;
570 unsigned int MClk, NVClk, cfg1;
572 MClk = nv_get_clock(pNv, MPLL);
573 NVClk = nv_get_clock(pNv, NVPLL);
575 cfg1 = nvReadFB(pNv, NV_PFB_CFG1);
576 sim_data.pix_bpp = (char)pixelDepth;
577 sim_data.enable_video = 0;
578 sim_data.enable_mp = 0;
579 sim_data.memory_width = (nvReadEXTDEV(pNv, NV_PEXTDEV_BOOT_0) & 0x10) ? 128 : 64;
580 sim_data.mem_latency = (char)cfg1 & 0x0F;
581 sim_data.mem_aligned = 1;
582 sim_data.mem_page_miss = (char)(((cfg1 >> 4) &0x0F) + ((cfg1 >> 31) & 0x01));
583 sim_data.gr_during_vid = 0;
584 sim_data.pclk_khz = VClk;
585 sim_data.mclk_khz = MClk;
586 sim_data.nvclk_khz = NVClk;
587 nv4CalcArbitration(&fifo_data, &sim_data);
590 int b = fifo_data.graphics_burst_size >> 4;
592 while (b >>= 1) (*burst)++;
593 *lwm = fifo_data.graphics_lwm >> 3;
597 static void nv10CalcArbitration (
598 nv10_fifo_info *fifo,
602 int data, pagemiss, width, video_enable, bpp;
603 int nvclks, mclks, pclks, vpagemiss, crtpagemiss;
605 int found, mclk_extra, mclk_loop, cbs, m1;
606 int mclk_freq, pclk_freq, nvclk_freq, mp_enable;
607 int us_m, us_m_min, us_n, us_p, crtc_drain_rate;
609 int vpm_us, us_video, cpm_us, us_crt,clwm;
611 int m2us, us_pipe_min, p1clk, p2;
613 int us_min_mclk_extra;
616 pclk_freq = arb->pclk_khz; /* freq in KHz */
617 mclk_freq = arb->mclk_khz;
618 nvclk_freq = arb->nvclk_khz;
619 pagemiss = arb->mem_page_miss;
620 width = arb->memory_width/64;
621 video_enable = arb->enable_video;
623 mp_enable = arb->enable_mp;
628 pclks = 4; /* lwm detect. */
630 nvclks = 3; /* lwm -> sync. */
631 nvclks += 2; /* fbi bus cycles (1 req + 1 busy) */
633 mclks = 1; /* 2 edge sync. may be very close to edge so just put one. */
635 mclks += 1; /* arb_hp_req */
636 mclks += 5; /* ap_hp_req tiling pipeline */
638 mclks += 2; /* tc_req latency fifo */
639 mclks += 2; /* fb_cas_n_ memory request to fbio block */
640 mclks += 7; /* sm_d_rdv data returned from fbio block */
642 /* fb.rd.d.Put_gc need to accumulate 256 bits for read */
643 if (arb->memory_type == 0)
644 if (arb->memory_width == 64) /* 64 bit bus */
649 if (arb->memory_width == 64) /* 64 bit bus */
654 if ((!video_enable) && (arb->memory_width == 128))
656 mclk_extra = (bpp == 32) ? 31 : 42; /* Margin of error */
661 mclk_extra = (bpp == 32) ? 8 : 4; /* Margin of error */
662 /* mclk_extra = 4; */ /* Margin of error */
666 nvclks += 1; /* 2 edge sync. may be very close to edge so just put one. */
667 nvclks += 1; /* fbi_d_rdv_n */
668 nvclks += 1; /* Fbi_d_rdata */
669 nvclks += 1; /* crtfifo load */
672 mclks+=4; /* Mp can get in with a burst of 8. */
673 /* Extra clocks determined by heuristics */
681 mclk_loop = mclks+mclk_extra;
682 us_m = mclk_loop *1000*1000 / mclk_freq; /* Mclk latency in us */
683 us_m_min = mclks * 1000*1000 / mclk_freq; /* Minimum Mclk latency in us */
684 us_min_mclk_extra = min_mclk_extra *1000*1000 / mclk_freq;
685 us_n = nvclks*1000*1000 / nvclk_freq;/* nvclk latency in us */
686 us_p = pclks*1000*1000 / pclk_freq;/* nvclk latency in us */
687 us_pipe_min = us_m_min + us_n + us_p;
689 vus_m = mclk_loop *1000*1000 / mclk_freq; /* Mclk latency in us */
692 crtc_drain_rate = pclk_freq * bpp/8; /* MB/s */
694 vpagemiss = 1; /* self generating page miss */
695 vpagemiss += 1; /* One higher priority before */
697 crtpagemiss = 2; /* self generating page miss */
699 crtpagemiss += 1; /* if MA0 conflict */
701 vpm_us = (vpagemiss * pagemiss)*1000*1000/mclk_freq;
703 us_video = vpm_us + vus_m; /* Video has separate read return path */
705 cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
707 us_video /* Wait for video */
708 +cpm_us /* CRT Page miss */
709 +us_m + us_n +us_p /* other latency */
712 clwm = us_crt * crtc_drain_rate/(1000*1000);
713 clwm++; /* fixed point <= float_point - 1. Fixes that */
715 crtc_drain_rate = pclk_freq * bpp/8; /* bpp * pclk/8 */
717 crtpagemiss = 1; /* self generating page miss */
718 crtpagemiss += 1; /* MA0 page miss */
720 crtpagemiss += 1; /* if MA0 conflict */
721 cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
722 us_crt = cpm_us + us_m + us_n + us_p ;
723 clwm = us_crt * crtc_drain_rate/(1000*1000);
724 clwm++; /* fixed point <= float_point - 1. Fixes that */
726 /* Finally, a heuristic check when width == 64 bits */
728 nvclk_fill = nvclk_freq * 8;
729 if(crtc_drain_rate * 100 >= nvclk_fill * 102)
730 clwm = 0xfff; /*Large number to fail */
732 else if(crtc_drain_rate * 100 >= nvclk_fill * 98) {
745 clwm_rnd_down = ((int)clwm/8)*8;
746 if (clwm_rnd_down < clwm)
749 m1 = clwm + cbs - 1024; /* Amount of overfill */
750 m2us = us_pipe_min + us_min_mclk_extra;
752 /* pclk cycles to drain */
753 p1clk = m2us * pclk_freq/(1000*1000);
754 p2 = p1clk * bpp / 8; /* bytes drained. */
756 if((p2 < m1) && (m1 > 0)) {
759 if(min_mclk_extra == 0) {
761 found = 1; /* Can't adjust anymore! */
763 cbs = cbs/2; /* reduce the burst size */
769 if (clwm > 1023){ /* Have some margin */
772 if(min_mclk_extra == 0)
773 found = 1; /* Can't adjust anymore! */
779 if(clwm < (1024-cbs+8)) clwm = 1024-cbs+8;
781 /* printf("CRT LWM: %f bytes, prog: 0x%x, bs: 256\n", clwm, data ); */
782 fifo->graphics_lwm = data; fifo->graphics_burst_size = cbs;
784 fifo->video_lwm = 1024; fifo->video_burst_size = 512;
788 void nv10UpdateArbitrationSettings (
796 nv10_fifo_info fifo_data;
797 nv10_sim_state sim_data;
798 unsigned int MClk, NVClk, cfg1;
800 MClk = nv_get_clock(pNv, MPLL);
801 NVClk = nv_get_clock(pNv, NVPLL);
803 cfg1 = nvReadFB(pNv, NV_PFB_CFG1);
804 sim_data.pix_bpp = (char)pixelDepth;
805 sim_data.enable_video = 1;
806 sim_data.enable_mp = 0;
807 sim_data.memory_type = (nvReadFB(pNv, NV_PFB_CFG0) & 0x01) ? 1 : 0;
808 sim_data.memory_width = (nvReadEXTDEV(pNv, NV_PEXTDEV_BOOT_0) & 0x10) ? 128 : 64;
809 sim_data.mem_latency = (char)cfg1 & 0x0F;
810 sim_data.mem_aligned = 1;
811 sim_data.mem_page_miss = (char)(((cfg1>>4) &0x0F) + ((cfg1>>31) & 0x01));
812 sim_data.gr_during_vid = 0;
813 sim_data.pclk_khz = VClk;
814 sim_data.mclk_khz = MClk;
815 sim_data.nvclk_khz = NVClk;
816 nv10CalcArbitration(&fifo_data, &sim_data);
817 if (fifo_data.valid) {
818 int b = fifo_data.graphics_burst_size >> 4;
820 while (b >>= 1) (*burst)++;
821 *lwm = fifo_data.graphics_lwm >> 3;
826 void nv30UpdateArbitrationSettings (NVPtr pNv,
830 unsigned int fifo_size, burst_size, graphics_lwm;
834 graphics_lwm = fifo_size - burst_size;
838 while(burst_size >>= 1) (*burst)++;
839 *lwm = graphics_lwm >> 3;
842 #ifdef XSERVER_LIBPCIACCESS
844 struct pci_device GetDeviceByPCITAG(uint32_t bus, uint32_t dev, uint32_t func)
846 const struct pci_slot_match match[] = { {0, bus, dev, func, 0} };
847 struct pci_device_iterator *iterator;
848 struct pci_device *device;
850 /* assume one device to exist */
851 iterator = pci_slot_match_iterator_create(match);
852 device = pci_device_next(iterator);
857 #endif /* XSERVER_LIBPCIACCESS */
859 void nForceUpdateArbitrationSettings (unsigned VClk,
866 nv10_fifo_info fifo_data;
867 nv10_sim_state sim_data;
868 unsigned int MClk, NVClk, memctrl;
870 #ifdef XSERVER_LIBPCIACCESS
871 struct pci_device tmp;
872 #endif /* XSERVER_LIBPCIACCESS */
874 if((pNv->Chipset & 0x0FF0) == CHIPSET_NFORCE) {
875 unsigned int uMClkPostDiv;
877 #ifdef XSERVER_LIBPCIACCESS
878 tmp = GetDeviceByPCITAG(0, 0, 3);
879 PCI_DEV_READ_LONG(&tmp, 0x6C, &(uMClkPostDiv));
880 uMClkPostDiv = (uMClkPostDiv >> 8) & 0xf;
882 uMClkPostDiv = (pciReadLong(pciTag(0, 0, 3), 0x6C) >> 8) & 0xf;
883 #endif /* XSERVER_LIBPCIACCESS */
884 if(!uMClkPostDiv) uMClkPostDiv = 4;
885 MClk = 400000 / uMClkPostDiv;
887 #ifdef XSERVER_LIBPCIACCESS
888 tmp = GetDeviceByPCITAG(0, 0, 5);
889 PCI_DEV_READ_LONG(&tmp, 0x4C, &(MClk));
892 MClk = pciReadLong(pciTag(0, 0, 5), 0x4C) / 1000;
893 #endif /* XSERVER_LIBPCIACCESS */
896 NVClk = nv_get_clock(pNv, NVPLL);
897 sim_data.pix_bpp = (char)pixelDepth;
898 sim_data.enable_video = 0;
899 sim_data.enable_mp = 0;
900 #ifdef XSERVER_LIBPCIACCESS
901 tmp = GetDeviceByPCITAG(0, 0, 1);
902 PCI_DEV_READ_LONG(&tmp, 0x7C, &(sim_data.memory_type));
903 sim_data.memory_type = (sim_data.memory_type >> 12) & 1;
905 sim_data.memory_type = (pciReadLong(pciTag(0, 0, 1), 0x7C) >> 12) & 1;
906 #endif /* XSERVER_LIBPCIACCESS */
907 sim_data.memory_width = 64;
909 #ifdef XSERVER_LIBPCIACCESS
910 /* This offset is 0, is this even usefull? */
911 tmp = GetDeviceByPCITAG(0, 0, 3);
912 PCI_DEV_READ_LONG(&tmp, 0x00, &(memctrl));
915 memctrl = pciReadLong(pciTag(0, 0, 3), 0x00) >> 16;
916 #endif /* XSERVER_LIBPCIACCESS */
918 if((memctrl == 0x1A9) || (memctrl == 0x1AB) || (memctrl == 0x1ED)) {
920 #ifdef XSERVER_LIBPCIACCESS
921 tmp = GetDeviceByPCITAG(0, 0, 2);
922 PCI_DEV_READ_LONG(&tmp, 0x40, &(dimm[0]));
923 PCI_DEV_READ_LONG(&tmp, 0x44, &(dimm[1]));
924 PCI_DEV_READ_LONG(&tmp, 0x48, &(dimm[2]));
926 for (i = 0; i < 3; i++) {
927 dimm[i] = (dimm[i] >> 8) & 0x4F;
930 dimm[0] = (pciReadLong(pciTag(0, 0, 2), 0x40) >> 8) & 0x4F;
931 dimm[1] = (pciReadLong(pciTag(0, 0, 2), 0x44) >> 8) & 0x4F;
932 dimm[2] = (pciReadLong(pciTag(0, 0, 2), 0x48) >> 8) & 0x4F;
935 if((dimm[0] + dimm[1]) != dimm[2]) {
937 "your nForce DIMMs are not arranged in optimal banks!\n");
941 sim_data.mem_latency = 3;
942 sim_data.mem_aligned = 1;
943 sim_data.mem_page_miss = 10;
944 sim_data.gr_during_vid = 0;
945 sim_data.pclk_khz = VClk;
946 sim_data.mclk_khz = MClk;
947 sim_data.nvclk_khz = NVClk;
948 nv10CalcArbitration(&fifo_data, &sim_data);
951 int b = fifo_data.graphics_burst_size >> 4;
953 while (b >>= 1) (*burst)++;
954 *lwm = fifo_data.graphics_lwm >> 3;
959 /****************************************************************************\
961 * RIVA Mode State Routines *
963 \****************************************************************************/
966 * Calculate the Video Clock parameters for the PLL.
968 static void CalcVClock (
975 unsigned lowM, highM;
976 unsigned DeltaNew, DeltaOld;
980 DeltaOld = 0xFFFFFFFF;
982 VClk = (unsigned)clockIn;
984 if (pNv->CrystalFreqKHz == 13500) {
992 for (P = 0; P <= 4; P++) {
994 if ((Freq >= 128000) && (Freq <= 350000)) {
995 for (M = lowM; M <= highM; M++) {
996 N = ((VClk << P) * M) / pNv->CrystalFreqKHz;
998 Freq = ((pNv->CrystalFreqKHz * N) / M) >> P;
1000 DeltaNew = Freq - VClk;
1002 DeltaNew = VClk - Freq;
1003 if (DeltaNew < DeltaOld) {
1004 *pllOut = (P << 16) | (N << 8) | M;
1006 DeltaOld = DeltaNew;
1014 static void CalcVClock2Stage (
1022 unsigned DeltaNew, DeltaOld;
1023 unsigned VClk, Freq;
1026 DeltaOld = 0xFFFFFFFF;
1028 *pllBOut = 0x80000401; /* fixed at x4 for now */
1030 VClk = (unsigned)clockIn;
1032 for (P = 0; P <= 6; P++) {
1034 if ((Freq >= 400000) && (Freq <= 1000000)) {
1035 for (M = 1; M <= 13; M++) {
1036 N = ((VClk << P) * M) / (pNv->CrystalFreqKHz << 2);
1037 if((N >= 5) && (N <= 255)) {
1038 Freq = (((pNv->CrystalFreqKHz << 2) * N) / M) >> P;
1040 DeltaNew = Freq - VClk;
1042 DeltaNew = VClk - Freq;
1043 if (DeltaNew < DeltaOld) {
1044 *pllOut = (P << 16) | (N << 8) | M;
1046 DeltaOld = DeltaNew;
1055 * Calculate extended mode parameters (SVGA) and save in a
1056 * mode state structure.
1058 void NVCalcStateExt (
1060 RIVA_HW_STATE *state,
1069 int pixelDepth, VClk = 0;
1073 * Save mode parameters.
1075 state->bpp = bpp; /* this is not bitsPerPixel, it's 8,15,16,32 */
1076 state->width = width;
1077 state->height = height;
1079 * Extended RIVA registers.
1081 pixelDepth = (bpp + 1)/8;
1082 if(pNv->twoStagePLL)
1083 CalcVClock2Stage(dotClock, &VClk, &state->pll, &state->pllB, pNv);
1085 CalcVClock(dotClock, &VClk, &state->pll, pNv);
1087 switch (pNv->Architecture)
1090 nv4UpdateArbitrationSettings(VClk,
1092 &(state->arbitration0),
1093 &(state->arbitration1),
1095 state->cursor0 = 0x00;
1096 state->cursor1 = 0xbC;
1097 if (flags & V_DBLSCAN)
1098 state->cursor1 |= 2;
1099 state->cursor2 = 0x00000000;
1100 state->pllsel = 0x10000700;
1101 state->config = 0x00001114;
1102 state->general = bpp == 16 ? 0x00101100 : 0x00100100;
1103 state->repaint1 = hDisplaySize < 1280 ? 0x04 : 0x00;
1109 if(((pNv->Chipset & 0xfff0) == CHIPSET_C51) ||
1110 ((pNv->Chipset & 0xfff0) == CHIPSET_C512))
1112 state->arbitration0 = 128;
1113 state->arbitration1 = 0x0480;
1115 if(((pNv->Chipset & 0xffff) == CHIPSET_NFORCE) ||
1116 ((pNv->Chipset & 0xffff) == CHIPSET_NFORCE2))
1118 nForceUpdateArbitrationSettings(VClk,
1120 &(state->arbitration0),
1121 &(state->arbitration1),
1123 } else if(pNv->Architecture < NV_ARCH_30) {
1124 nv10UpdateArbitrationSettings(VClk,
1126 &(state->arbitration0),
1127 &(state->arbitration1),
1130 nv30UpdateArbitrationSettings(pNv,
1131 &(state->arbitration0),
1132 &(state->arbitration1));
1134 CursorStart = pNv->Cursor->offset;
1135 state->cursor0 = 0x80 | (CursorStart >> 17);
1136 state->cursor1 = (CursorStart >> 11) << 2;
1137 state->cursor2 = CursorStart >> 24;
1138 if (flags & V_DBLSCAN)
1139 state->cursor1 |= 2;
1140 state->pllsel = 0x10000700;
1141 state->config = nvReadFB(pNv, NV_PFB_CFG0);
1142 state->general = bpp == 16 ? 0x00101100 : 0x00100100;
1143 state->repaint1 = hDisplaySize < 1280 ? 0x04 : 0x00;
1147 if(bpp != 8) /* DirectColor */
1148 state->general |= 0x00000030;
1150 state->repaint0 = (((width / 8) * pixelDepth) & 0x700) >> 3;
1151 state->pixel = (pixelDepth > 2) ? 3 : pixelDepth;
1155 void NVLoadStateExt (
1157 RIVA_HW_STATE *state
1160 NVPtr pNv = NVPTR(pScrn);
1163 if(pNv->Architecture >= NV_ARCH_40) {
1164 switch(pNv->Chipset & 0xfff0) {
1173 temp = nvReadCurRAMDAC(pNv, NV_RAMDAC_TEST_CONTROL);
1174 nvWriteCurRAMDAC(pNv, NV_RAMDAC_TEST_CONTROL, temp | 0x00100000);
1181 if(pNv->Architecture >= NV_ARCH_10) {
1183 NVWriteCRTC(pNv, 0, NV_CRTC_FSEL, state->head);
1184 NVWriteCRTC(pNv, 1, NV_CRTC_FSEL, state->head2);
1186 temp = nvReadCurRAMDAC(pNv, NV_RAMDAC_NV10_CURSYNC);
1187 nvWriteCurRAMDAC(pNv, NV_RAMDAC_NV10_CURSYNC, temp | (1 << 25));
1189 nvWriteVIDEO(pNv, NV_PVIDEO_STOP, 1);
1190 nvWriteVIDEO(pNv, NV_PVIDEO_INTR_EN, 0);
1191 nvWriteVIDEO(pNv, NV_PVIDEO_OFFSET_BUFF(0), 0);
1192 nvWriteVIDEO(pNv, NV_PVIDEO_OFFSET_BUFF(1), 0);
1193 nvWriteVIDEO(pNv, NV_PVIDEO_LIMIT(0), pNv->VRAMPhysicalSize - 1);
1194 nvWriteVIDEO(pNv, NV_PVIDEO_LIMIT(1), pNv->VRAMPhysicalSize - 1);
1195 nvWriteVIDEO(pNv, NV_PVIDEO_UVPLANE_LIMIT(0), pNv->VRAMPhysicalSize - 1);
1196 nvWriteVIDEO(pNv, NV_PVIDEO_UVPLANE_LIMIT(1), pNv->VRAMPhysicalSize - 1);
1197 nvWriteMC(pNv, NV_PBUS_POWERCTRL_2, 0);
1199 nvWriteCurCRTC(pNv, NV_CRTC_CURSOR_CONFIG, state->cursorConfig);
1200 nvWriteCurCRTC(pNv, NV_CRTC_0830, state->displayV - 3);
1201 nvWriteCurCRTC(pNv, NV_CRTC_0834, state->displayV - 1);
1203 if(pNv->FlatPanel) {
1204 if((pNv->Chipset & 0x0ff0) == CHIPSET_NV11) {
1205 nvWriteCurRAMDAC(pNv, NV_RAMDAC_DITHER_NV11, state->dither);
1208 nvWriteCurRAMDAC(pNv, NV_RAMDAC_FP_DITHER, state->dither);
1211 nvWriteCurVGA(pNv, NV_VGA_CRTCX_FP_HTIMING, state->timingH);
1212 nvWriteCurVGA(pNv, NV_VGA_CRTCX_FP_VTIMING, state->timingV);
1213 nvWriteCurVGA(pNv, NV_VGA_CRTCX_BUFFER, 0xfa);
1216 nvWriteCurVGA(pNv, NV_VGA_CRTCX_EXTRA, state->extra);
1219 nvWriteCurVGA(pNv, NV_VGA_CRTCX_REPAINT0, state->repaint0);
1220 nvWriteCurVGA(pNv, NV_VGA_CRTCX_REPAINT1, state->repaint1);
1221 nvWriteCurVGA(pNv, NV_VGA_CRTCX_LSR, state->screen);
1222 nvWriteCurVGA(pNv, NV_VGA_CRTCX_PIXEL, state->pixel);
1223 nvWriteCurVGA(pNv, NV_VGA_CRTCX_HEB, state->horiz);
1224 nvWriteCurVGA(pNv, NV_VGA_CRTCX_FIFO1, state->fifo);
1225 nvWriteCurVGA(pNv, NV_VGA_CRTCX_FIFO0, state->arbitration0);
1226 nvWriteCurVGA(pNv, NV_VGA_CRTCX_FIFO_LWM, state->arbitration1);
1227 if(pNv->Architecture >= NV_ARCH_30) {
1228 nvWriteCurVGA(pNv, NV_VGA_CRTCX_FIFO_LWM_NV30, state->arbitration1 >> 8);
1231 nvWriteCurVGA(pNv, NV_VGA_CRTCX_CURCTL0, state->cursor0);
1232 nvWriteCurVGA(pNv, NV_VGA_CRTCX_CURCTL1, state->cursor1);
1233 if(pNv->Architecture == NV_ARCH_40) { /* HW bug */
1234 volatile CARD32 curpos = nvReadCurRAMDAC(pNv, NV_RAMDAC_CURSOR_POS);
1235 nvWriteCurRAMDAC(pNv, NV_RAMDAC_CURSOR_POS, curpos);
1237 nvWriteCurVGA(pNv, NV_VGA_CRTCX_CURCTL2, state->cursor2);
1238 nvWriteCurVGA(pNv, NV_VGA_CRTCX_INTERLACE, state->interlace);
1240 if(!pNv->FlatPanel) {
1241 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_PLL_SELECT, state->pllsel);
1242 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL, state->vpll);
1244 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL2, state->vpll2);
1245 if(pNv->twoStagePLL) {
1246 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL_B, state->vpllB);
1247 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL2_B, state->vpll2B);
1250 nvWriteCurRAMDAC(pNv, NV_RAMDAC_FP_CONTROL, state->scale);
1251 nvWriteCurRAMDAC(pNv, NV_RAMDAC_FP_HCRTC, state->crtcSync);
1253 nvWriteCurRAMDAC(pNv, NV_RAMDAC_GENERAL_CONTROL, state->general);
1255 nvWriteCurCRTC(pNv, NV_CRTC_INTR_EN_0, 0);
1256 nvWriteCurCRTC(pNv, NV_CRTC_INTR_0, NV_CRTC_INTR_VBLANK);
1259 void NVUnloadStateExt
1262 RIVA_HW_STATE *state
1265 state->repaint0 = nvReadCurVGA(pNv, NV_VGA_CRTCX_REPAINT0);
1266 state->repaint1 = nvReadCurVGA(pNv, NV_VGA_CRTCX_REPAINT1);
1267 state->screen = nvReadCurVGA(pNv, NV_VGA_CRTCX_LSR);
1268 state->pixel = nvReadCurVGA(pNv, NV_VGA_CRTCX_PIXEL);
1269 state->horiz = nvReadCurVGA(pNv, NV_VGA_CRTCX_HEB);
1270 state->fifo = nvReadCurVGA(pNv, NV_VGA_CRTCX_FIFO1);
1271 state->arbitration0 = nvReadCurVGA(pNv, NV_VGA_CRTCX_FIFO0);
1272 state->arbitration1 = nvReadCurVGA(pNv, NV_VGA_CRTCX_FIFO_LWM);
1273 if(pNv->Architecture >= NV_ARCH_30) {
1274 state->arbitration1 |= (nvReadCurVGA(pNv, NV_VGA_CRTCX_FIFO_LWM_NV30) & 1) << 8;
1276 state->cursor0 = nvReadCurVGA(pNv, NV_VGA_CRTCX_CURCTL0);
1277 state->cursor1 = nvReadCurVGA(pNv, NV_VGA_CRTCX_CURCTL1);
1278 state->cursor2 = nvReadCurVGA(pNv, NV_VGA_CRTCX_CURCTL2);
1279 state->interlace = nvReadCurVGA(pNv, NV_VGA_CRTCX_INTERLACE);
1281 state->vpll = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL);
1283 state->vpll2 = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL2);
1284 if(pNv->twoStagePLL) {
1285 state->vpllB = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL_B);
1286 state->vpll2B = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL2_B);
1288 state->pllsel = NVReadRAMDAC(pNv, 0, NV_RAMDAC_PLL_SELECT);
1289 state->general = nvReadCurRAMDAC(pNv, NV_RAMDAC_GENERAL_CONTROL);
1290 state->scale = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_CONTROL);
1291 state->config = nvReadFB(pNv, NV_PFB_CFG0);
1293 if(pNv->Architecture >= NV_ARCH_10) {
1295 state->head = NVReadCRTC(pNv, 0, NV_CRTC_FSEL);
1296 state->head2 = NVReadCRTC(pNv, 1, NV_CRTC_FSEL);
1297 state->crtcOwner = nvReadCurVGA(pNv, NV_VGA_CRTCX_OWNER);
1299 state->extra = nvReadCurVGA(pNv, NV_VGA_CRTCX_EXTRA);
1301 state->cursorConfig = nvReadCurCRTC(pNv, NV_CRTC_CURSOR_CONFIG);
1303 if((pNv->Chipset & 0x0ff0) == CHIPSET_NV11) {
1304 state->dither = nvReadCurRAMDAC(pNv, NV_RAMDAC_DITHER_NV11);
1307 state->dither = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_DITHER);
1310 if(pNv->FlatPanel) {
1311 state->timingH = nvReadCurVGA(pNv, NV_VGA_CRTCX_FP_HTIMING);
1312 state->timingV = nvReadCurVGA(pNv, NV_VGA_CRTCX_FP_VTIMING);
1316 if(pNv->FlatPanel) {
1317 state->crtcSync = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_HCRTC);
1321 void NVSetStartAddress (
1326 nvWriteCurCRTC(pNv, NV_CRTC_START, start);
1329 uint32_t nv_pitch_align(NVPtr pNv, uint32_t width, int bpp)
1338 /* Alignment requirements taken from the Haiku driver */
1339 if (pNv->Architecture == NV_ARCH_04 || pNv->NoAccel) /* CRTC only case */
1340 /* Apparently a hardware bug on some hardware makes this 128 instead of 64 */
1341 mask = 128 / bpp - 1;
1342 else /* Accel case */
1343 mask = 512 / bpp - 1;
1345 return (width + mask) & ~mask;