1 /***************************************************************************\
3 |* Copyright 1993-2003 NVIDIA, Corporation. All rights reserved. *|
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8 |* use this code in individual and commercial software. *|
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11 |* tion and internal comments to the code, notices to the end user *|
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_read_tmds(NVPtr pNv, int or, int dl, uint8_t address)
90 int ramdac = (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 int nv_get_digital_bound_head(NVPtr pNv, int or)
99 /* special case of nv_read_tmds to find crtc associated with an output.
100 * this does not give a correct answer for off-chip dvi, but there's no
101 * use for such an answer anyway
103 int ramdac = (or & OUTPUT_C) >> 2;
105 NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_CONTROL,
106 NV_RAMDAC_FP_TMDS_CONTROL_WRITE_DISABLE | 0x4);
107 return (((NVReadRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_DATA) & 0x8) >> 3) ^ ramdac);
110 void nv_write_tmds(NVPtr pNv, int or, int dl, uint8_t address, uint8_t data)
112 int ramdac = (or & OUTPUT_C) >> 2;
114 NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_DATA + dl * 8, data);
115 NVWriteRAMDAC(pNv, ramdac, NV_RAMDAC_FP_TMDS_CONTROL + dl * 8, address);
118 void NVWriteVgaCrtc(NVPtr pNv, int head, uint8_t index, uint8_t value)
120 uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
122 DDXMMIOH("NVWriteVgaCrtc: head %d index 0x%02x data 0x%02x\n", head, index, value);
123 NV_WR08(pNv->REGS, CRTC_INDEX_COLOR + mmiobase, index);
124 NV_WR08(pNv->REGS, CRTC_DATA_COLOR + mmiobase, value);
127 uint8_t NVReadVgaCrtc(NVPtr pNv, int head, uint8_t index)
129 uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
131 NV_WR08(pNv->REGS, CRTC_INDEX_COLOR + mmiobase, index);
132 DDXMMIOH("NVReadVgaCrtc: head %d index 0x%02x data 0x%02x\n", head, index, NV_RD08(pNv->REGS, CRTC_DATA_COLOR + mmiobase));
133 return NV_RD08(pNv->REGS, CRTC_DATA_COLOR + mmiobase);
136 /* CR57 and CR58 are a fun pair of regs. CR57 provides an index (0-0xf) for CR58
137 * I suspect they in fact do nothing, but are merely a way to carry useful
138 * per-head variables around
142 * 0x00 index to the appropriate dcb entry (or 7f for inactive)
143 * 0x02 dcb entry's "or" value (or 00 for inactive)
144 * 0x03 bit0 set for dual link (LVDS, possibly elsewhere too)
145 * 0x08 or 0x09 pxclk in MHz
146 * 0x0f laptop panel info - low nibble for PEXTDEV_BOOT_0 strap
147 * high nibble for xlat strap value
150 void NVWriteVgaCrtc5758(NVPtr pNv, int head, uint8_t index, uint8_t value)
152 NVWriteVgaCrtc(pNv, head, 0x57, index);
153 NVWriteVgaCrtc(pNv, head, 0x58, value);
156 uint8_t NVReadVgaCrtc5758(NVPtr pNv, int head, uint8_t index)
158 NVWriteVgaCrtc(pNv, head, 0x57, index);
159 return NVReadVgaCrtc(pNv, head, 0x58);
162 uint8_t NVReadPVIO(NVPtr pNv, int head, uint16_t port)
164 /* Only NV4x have two pvio ranges */
165 uint32_t mmiobase = (head && pNv->Architecture == NV_ARCH_40) ? NV_PVIO1_OFFSET : NV_PVIO0_OFFSET;
167 DDXMMIOH("NVReadPVIO: head %d reg %08x val %02x\n", head, port + mmiobase, NV_RD08(pNv->REGS, port + mmiobase));
168 return NV_RD08(pNv->REGS, port + mmiobase);
171 void NVWritePVIO(NVPtr pNv, int head, uint16_t port, uint8_t value)
173 /* Only NV4x have two pvio ranges */
174 uint32_t mmiobase = (head && pNv->Architecture == NV_ARCH_40) ? NV_PVIO1_OFFSET : NV_PVIO0_OFFSET;
176 DDXMMIOH("NVWritePVIO: head %d reg %08x val %02x\n", head, port + mmiobase, value);
177 NV_WR08(pNv->REGS, port + mmiobase, value);
180 void NVWriteVgaSeq(NVPtr pNv, int head, uint8_t index, uint8_t value)
182 NVWritePVIO(pNv, head, VGA_SEQ_INDEX, index);
183 NVWritePVIO(pNv, head, VGA_SEQ_DATA, value);
186 uint8_t NVReadVgaSeq(NVPtr pNv, int head, uint8_t index)
188 NVWritePVIO(pNv, head, VGA_SEQ_INDEX, index);
189 return NVReadPVIO(pNv, head, VGA_SEQ_DATA);
192 void NVWriteVgaGr(NVPtr pNv, int head, uint8_t index, uint8_t value)
194 NVWritePVIO(pNv, head, VGA_GRAPH_INDEX, index);
195 NVWritePVIO(pNv, head, VGA_GRAPH_DATA, value);
198 uint8_t NVReadVgaGr(NVPtr pNv, int head, uint8_t index)
200 NVWritePVIO(pNv, head, VGA_GRAPH_INDEX, index);
201 return NVReadPVIO(pNv, head, VGA_GRAPH_DATA);
204 #define CRTC_IN_STAT_1 0x3da
206 void NVSetEnablePalette(NVPtr pNv, int head, bool enable)
208 uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
210 VGA_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
211 VGA_WR08(pNv->REGS, VGA_ATTR_INDEX + mmiobase, enable ? 0 : 0x20);
214 static bool NVGetEnablePalette(NVPtr pNv, int head)
216 uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
218 VGA_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
219 return !(VGA_RD08(pNv->REGS, VGA_ATTR_INDEX + mmiobase) & 0x20);
222 void NVWriteVgaAttr(NVPtr pNv, int head, uint8_t index, uint8_t value)
224 uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
226 if (NVGetEnablePalette(pNv, head))
231 NV_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
232 DDXMMIOH("NVWriteVgaAttr: head %d index 0x%02x data 0x%02x\n", head, index, value);
233 NV_WR08(pNv->REGS, VGA_ATTR_INDEX + mmiobase, index);
234 NV_WR08(pNv->REGS, VGA_ATTR_DATA_W + mmiobase, value);
237 uint8_t NVReadVgaAttr(NVPtr pNv, int head, uint8_t index)
239 uint32_t mmiobase = head ? NV_PCIO1_OFFSET : NV_PCIO0_OFFSET;
241 if (NVGetEnablePalette(pNv, head))
246 NV_RD08(pNv->REGS, CRTC_IN_STAT_1 + mmiobase);
247 NV_WR08(pNv->REGS, VGA_ATTR_INDEX + mmiobase, index);
248 DDXMMIOH("NVReadVgaAttr: head %d index 0x%02x data 0x%02x\n", head, index, NV_RD08(pNv->REGS, VGA_ATTR_DATA_R + mmiobase));
249 return NV_RD08(pNv->REGS, VGA_ATTR_DATA_R + mmiobase);
252 void NVVgaSeqReset(NVPtr pNv, int head, bool start)
254 NVWriteVgaSeq(pNv, head, 0x0, start ? 0x1 : 0x3);
257 void NVVgaProtect(NVPtr pNv, int head, bool protect)
259 uint8_t seq1 = NVReadVgaSeq(pNv, head, 0x1);
262 NVVgaSeqReset(pNv, head, true);
263 NVWriteVgaSeq(pNv, head, 0x01, seq1 | 0x20);
265 /* Reenable sequencer, then turn on screen */
266 NVWriteVgaSeq(pNv, head, 0x01, seq1 & ~0x20); /* reenable display */
267 NVVgaSeqReset(pNv, head, false);
269 NVSetEnablePalette(pNv, head, protect);
272 void NVSetOwner(ScrnInfoPtr pScrn, int head)
274 NVPtr pNv = NVPTR(pScrn);
275 /* CRTCX_OWNER is always changed on CRTC0 */
276 NVWriteVgaCrtc(pNv, 0, NV_VGA_CRTCX_OWNER, head * 0x3);
278 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Setting owner: 0x%X.\n", head * 0x3);
281 void NVLockVgaCrtc(NVPtr pNv, int head, bool lock)
285 NVWriteVgaCrtc(pNv, head, NV_VGA_CRTCX_LOCK, lock ? 0x99 : 0x57);
287 cr11 = NVReadVgaCrtc(pNv, head, NV_VGA_CRTCX_VSYNCE);
292 NVWriteVgaCrtc(pNv, head, NV_VGA_CRTCX_VSYNCE, cr11);
295 void NVBlankScreen(ScrnInfoPtr pScrn, int head, bool blank)
298 NVPtr pNv = NVPTR(pScrn);
301 NVSetOwner(pScrn, head);
303 seq1 = NVReadVgaSeq(pNv, head, 0x1);
305 NVVgaSeqReset(pNv, head, TRUE);
307 NVWriteVgaSeq(pNv, head, 0x1, seq1 | 0x20);
309 NVWriteVgaSeq(pNv, head, 0x1, seq1 & ~0x20);
310 NVVgaSeqReset(pNv, head, FALSE);
313 int nv_decode_pll_highregs(NVPtr pNv, uint32_t pll1, uint32_t pll2, bool force_single, int refclk)
315 int M1, N1, M2 = 1, N2 = 1, log2P;
318 N1 = (pll1 >> 8) & 0xff;
319 log2P = (pll1 >> 16) & 0x7; /* never more than 6, and nv30/35 only uses 3 bits */
320 if (pNv->twoStagePLL && pll2 & NV31_RAMDAC_ENABLE_VCO2 && !force_single) {
322 N2 = (pll2 >> 8) & 0xff;
323 } else if (pNv->NVArch == 0x30 || pNv->NVArch == 0x35) {
324 M1 &= 0xf; /* only 4 bits */
325 if (pll1 & NV30_RAMDAC_ENABLE_VCO2) {
326 M2 = (pll1 >> 4) & 0x7;
327 N2 = ((pll2 >> 21) & 0x18) | ((pll2 >> 19) & 0x7);
331 /* Avoid divide by zero if called at an inappropriate time */
335 return (N1 * N2 * refclk / (M1 * M2)) >> log2P;
338 static int nv_decode_pll_lowregs(uint32_t Pval, uint32_t NMNM, int refclk)
340 int M1, N1, M2 = 1, N2 = 1, log2P;
342 log2P = (Pval >> 16) & 0x7;
345 N1 = (NMNM >> 8) & 0xff;
346 /* NVPLL and VPLLs use 1 << 8 to indicate single stage mode, MPLL uses 1 << 12 */
347 if (!(Pval & (1 << 8) || Pval & (1 << 12))) {
348 M2 = (NMNM >> 16) & 0xff;
349 N2 = (NMNM >> 24) & 0xff;
352 /* Avoid divide by zero if called at an inappropriate time */
356 return (N1 * N2 * refclk / (M1 * M2)) >> log2P;
360 static int nv_get_clock(NVPtr pNv, enum pll_types plltype)
362 const uint32_t nv04_regs[MAX_PLL_TYPES] = { NV_RAMDAC_NVPLL, NV_RAMDAC_MPLL, NV_RAMDAC_VPLL, NV_RAMDAC_VPLL2 };
363 const uint32_t nv40_regs[MAX_PLL_TYPES] = { 0x4000, 0x4020, NV_RAMDAC_VPLL, NV_RAMDAC_VPLL2 };
365 struct pll_lims pll_lim;
367 if (pNv->Architecture < NV_ARCH_40)
368 reg1 = nv04_regs[plltype];
370 reg1 = nv40_regs[plltype];
372 /* XXX no pScrn. CrystalFreqKHz is good enough for current nv_get_clock users though
373 if (!get_pll_limits(pScrn, plltype, &pll_lim))
376 pll_lim.refclk = pNv->CrystalFreqKHz;
379 return nv_decode_pll_lowregs(nvReadMC(pNv, reg1), nvReadMC(pNv, reg1 + 4), pll_lim.refclk);
380 if (pNv->twoStagePLL) {
381 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));
383 return nv_decode_pll_highregs(pNv, nvReadMC(pNv, reg1), nvReadMC(pNv, reg1 + ((reg1 == NV_RAMDAC_VPLL2) ? 0x5c : 0x70)), nv40_single, pll_lim.refclk);
385 return nv_decode_pll_highregs(pNv, nvReadMC(pNv, reg1), 0, false, pll_lim.refclk);
388 /****************************************************************************\
390 * The video arbitration routines calculate some "magic" numbers. Fixes *
391 * the snow seen when accessing the framebuffer without it. *
392 * It just works (I hope). *
394 \****************************************************************************/
399 int graphics_burst_size;
400 int video_burst_size;
421 int graphics_burst_size;
422 int video_burst_size;
430 uint8_t mem_page_miss;
432 uint32_t memory_type;
433 uint32_t memory_width;
434 uint8_t enable_video;
435 uint8_t gr_during_vid;
441 static void nv4CalcArbitration (
446 int data, pagemiss, cas,width, video_enable, bpp;
447 int nvclks, mclks, pclks, vpagemiss, crtpagemiss, vbs;
448 int found, mclk_extra, mclk_loop, cbs, m1, p1;
449 int mclk_freq, pclk_freq, nvclk_freq, mp_enable;
450 int us_m, us_n, us_p, video_drain_rate, crtc_drain_rate;
451 int vpm_us, us_video, vlwm, video_fill_us, cpm_us, us_crt,clwm;
454 pclk_freq = arb->pclk_khz;
455 mclk_freq = arb->mclk_khz;
456 nvclk_freq = arb->nvclk_khz;
457 pagemiss = arb->mem_page_miss;
458 cas = arb->mem_latency;
459 width = arb->memory_width >> 6;
460 video_enable = arb->enable_video;
462 mp_enable = arb->enable_mp;
493 mclk_loop = mclks+mclk_extra;
494 us_m = mclk_loop *1000*1000 / mclk_freq;
495 us_n = nvclks*1000*1000 / nvclk_freq;
496 us_p = nvclks*1000*1000 / pclk_freq;
499 video_drain_rate = pclk_freq * 2;
500 crtc_drain_rate = pclk_freq * bpp/8;
504 vpm_us = (vpagemiss * pagemiss)*1000*1000/mclk_freq;
505 if (nvclk_freq * 2 > mclk_freq * width)
506 video_fill_us = cbs*1000*1000 / 16 / nvclk_freq ;
508 video_fill_us = cbs*1000*1000 / (8 * width) / mclk_freq;
509 us_video = vpm_us + us_m + us_n + us_p + video_fill_us;
510 vlwm = us_video * video_drain_rate/(1000*1000);
513 if (vlwm > 128) vbs = 64;
514 if (vlwm > (256-64)) vbs = 32;
515 if (nvclk_freq * 2 > mclk_freq * width)
516 video_fill_us = vbs *1000*1000/ 16 / nvclk_freq ;
518 video_fill_us = vbs*1000*1000 / (8 * width) / mclk_freq;
519 cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
526 clwm = us_crt * crtc_drain_rate/(1000*1000);
531 crtc_drain_rate = pclk_freq * bpp/8;
534 cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
535 us_crt = cpm_us + us_m + us_n + us_p ;
536 clwm = us_crt * crtc_drain_rate/(1000*1000);
539 m1 = clwm + cbs - 512;
540 p1 = m1 * pclk_freq / mclk_freq;
542 if ((p1 < m1) && (m1 > 0))
546 if (mclk_extra ==0) found = 1;
549 else if (video_enable)
551 if ((clwm > 511) || (vlwm > 255))
555 if (mclk_extra ==0) found = 1;
565 if (mclk_extra ==0) found = 1;
569 if (clwm < 384) clwm = 384;
570 if (vlwm < 128) vlwm = 128;
572 fifo->graphics_lwm = data;
573 fifo->graphics_burst_size = 128;
574 data = (int)((vlwm+15));
575 fifo->video_lwm = data;
576 fifo->video_burst_size = vbs;
580 void nv4UpdateArbitrationSettings (
588 nv4_fifo_info fifo_data;
589 nv4_sim_state sim_data;
590 unsigned int MClk, NVClk, cfg1;
592 MClk = nv_get_clock(pNv, MPLL);
593 NVClk = nv_get_clock(pNv, NVPLL);
595 cfg1 = nvReadFB(pNv, NV_PFB_CFG1);
596 sim_data.pix_bpp = (char)pixelDepth;
597 sim_data.enable_video = 0;
598 sim_data.enable_mp = 0;
599 sim_data.memory_width = (nvReadEXTDEV(pNv, NV_PEXTDEV_BOOT_0) & 0x10) ? 128 : 64;
600 sim_data.mem_latency = (char)cfg1 & 0x0F;
601 sim_data.mem_aligned = 1;
602 sim_data.mem_page_miss = (char)(((cfg1 >> 4) &0x0F) + ((cfg1 >> 31) & 0x01));
603 sim_data.gr_during_vid = 0;
604 sim_data.pclk_khz = VClk;
605 sim_data.mclk_khz = MClk;
606 sim_data.nvclk_khz = NVClk;
607 nv4CalcArbitration(&fifo_data, &sim_data);
610 int b = fifo_data.graphics_burst_size >> 4;
612 while (b >>= 1) (*burst)++;
613 *lwm = fifo_data.graphics_lwm >> 3;
617 static void nv10CalcArbitration (
618 nv10_fifo_info *fifo,
622 int data, pagemiss, width, video_enable, bpp;
623 int nvclks, mclks, pclks, vpagemiss, crtpagemiss;
625 int found, mclk_extra, mclk_loop, cbs, m1;
626 int mclk_freq, pclk_freq, nvclk_freq, mp_enable;
627 int us_m, us_m_min, us_n, us_p, crtc_drain_rate;
629 int vpm_us, us_video, cpm_us, us_crt,clwm;
631 int m2us, us_pipe_min, p1clk, p2;
633 int us_min_mclk_extra;
636 pclk_freq = arb->pclk_khz; /* freq in KHz */
637 mclk_freq = arb->mclk_khz;
638 nvclk_freq = arb->nvclk_khz;
639 pagemiss = arb->mem_page_miss;
640 width = arb->memory_width/64;
641 video_enable = arb->enable_video;
643 mp_enable = arb->enable_mp;
648 pclks = 4; /* lwm detect. */
650 nvclks = 3; /* lwm -> sync. */
651 nvclks += 2; /* fbi bus cycles (1 req + 1 busy) */
653 mclks = 1; /* 2 edge sync. may be very close to edge so just put one. */
655 mclks += 1; /* arb_hp_req */
656 mclks += 5; /* ap_hp_req tiling pipeline */
658 mclks += 2; /* tc_req latency fifo */
659 mclks += 2; /* fb_cas_n_ memory request to fbio block */
660 mclks += 7; /* sm_d_rdv data returned from fbio block */
662 /* fb.rd.d.Put_gc need to accumulate 256 bits for read */
663 if (arb->memory_type == 0)
664 if (arb->memory_width == 64) /* 64 bit bus */
669 if (arb->memory_width == 64) /* 64 bit bus */
674 if ((!video_enable) && (arb->memory_width == 128))
676 mclk_extra = (bpp == 32) ? 31 : 42; /* Margin of error */
681 mclk_extra = (bpp == 32) ? 8 : 4; /* Margin of error */
682 /* mclk_extra = 4; */ /* Margin of error */
686 nvclks += 1; /* 2 edge sync. may be very close to edge so just put one. */
687 nvclks += 1; /* fbi_d_rdv_n */
688 nvclks += 1; /* Fbi_d_rdata */
689 nvclks += 1; /* crtfifo load */
692 mclks+=4; /* Mp can get in with a burst of 8. */
693 /* Extra clocks determined by heuristics */
701 mclk_loop = mclks+mclk_extra;
702 us_m = mclk_loop *1000*1000 / mclk_freq; /* Mclk latency in us */
703 us_m_min = mclks * 1000*1000 / mclk_freq; /* Minimum Mclk latency in us */
704 us_min_mclk_extra = min_mclk_extra *1000*1000 / mclk_freq;
705 us_n = nvclks*1000*1000 / nvclk_freq;/* nvclk latency in us */
706 us_p = pclks*1000*1000 / pclk_freq;/* nvclk latency in us */
707 us_pipe_min = us_m_min + us_n + us_p;
709 vus_m = mclk_loop *1000*1000 / mclk_freq; /* Mclk latency in us */
712 crtc_drain_rate = pclk_freq * bpp/8; /* MB/s */
714 vpagemiss = 1; /* self generating page miss */
715 vpagemiss += 1; /* One higher priority before */
717 crtpagemiss = 2; /* self generating page miss */
719 crtpagemiss += 1; /* if MA0 conflict */
721 vpm_us = (vpagemiss * pagemiss)*1000*1000/mclk_freq;
723 us_video = vpm_us + vus_m; /* Video has separate read return path */
725 cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
727 us_video /* Wait for video */
728 +cpm_us /* CRT Page miss */
729 +us_m + us_n +us_p /* other latency */
732 clwm = us_crt * crtc_drain_rate/(1000*1000);
733 clwm++; /* fixed point <= float_point - 1. Fixes that */
735 crtc_drain_rate = pclk_freq * bpp/8; /* bpp * pclk/8 */
737 crtpagemiss = 1; /* self generating page miss */
738 crtpagemiss += 1; /* MA0 page miss */
740 crtpagemiss += 1; /* if MA0 conflict */
741 cpm_us = crtpagemiss * pagemiss *1000*1000/ mclk_freq;
742 us_crt = cpm_us + us_m + us_n + us_p ;
743 clwm = us_crt * crtc_drain_rate/(1000*1000);
744 clwm++; /* fixed point <= float_point - 1. Fixes that */
746 /* Finally, a heuristic check when width == 64 bits */
748 nvclk_fill = nvclk_freq * 8;
749 if(crtc_drain_rate * 100 >= nvclk_fill * 102)
750 clwm = 0xfff; /*Large number to fail */
752 else if(crtc_drain_rate * 100 >= nvclk_fill * 98) {
765 clwm_rnd_down = ((int)clwm/8)*8;
766 if (clwm_rnd_down < clwm)
769 m1 = clwm + cbs - 1024; /* Amount of overfill */
770 m2us = us_pipe_min + us_min_mclk_extra;
772 /* pclk cycles to drain */
773 p1clk = m2us * pclk_freq/(1000*1000);
774 p2 = p1clk * bpp / 8; /* bytes drained. */
776 if((p2 < m1) && (m1 > 0)) {
779 if(min_mclk_extra == 0) {
781 found = 1; /* Can't adjust anymore! */
783 cbs = cbs/2; /* reduce the burst size */
789 if (clwm > 1023){ /* Have some margin */
792 if(min_mclk_extra == 0)
793 found = 1; /* Can't adjust anymore! */
799 if(clwm < (1024-cbs+8)) clwm = 1024-cbs+8;
801 /* printf("CRT LWM: %f bytes, prog: 0x%x, bs: 256\n", clwm, data ); */
802 fifo->graphics_lwm = data; fifo->graphics_burst_size = cbs;
804 fifo->video_lwm = 1024; fifo->video_burst_size = 512;
808 void nv10UpdateArbitrationSettings (
816 nv10_fifo_info fifo_data;
817 nv10_sim_state sim_data;
818 unsigned int MClk, NVClk, cfg1;
820 MClk = nv_get_clock(pNv, MPLL);
821 NVClk = nv_get_clock(pNv, NVPLL);
823 cfg1 = nvReadFB(pNv, NV_PFB_CFG1);
824 sim_data.pix_bpp = (char)pixelDepth;
825 sim_data.enable_video = 1;
826 sim_data.enable_mp = 0;
827 sim_data.memory_type = (nvReadFB(pNv, NV_PFB_CFG0) & 0x01) ? 1 : 0;
828 sim_data.memory_width = (nvReadEXTDEV(pNv, NV_PEXTDEV_BOOT_0) & 0x10) ? 128 : 64;
829 sim_data.mem_latency = (char)cfg1 & 0x0F;
830 sim_data.mem_aligned = 1;
831 sim_data.mem_page_miss = (char)(((cfg1>>4) &0x0F) + ((cfg1>>31) & 0x01));
832 sim_data.gr_during_vid = 0;
833 sim_data.pclk_khz = VClk;
834 sim_data.mclk_khz = MClk;
835 sim_data.nvclk_khz = NVClk;
836 nv10CalcArbitration(&fifo_data, &sim_data);
837 if (fifo_data.valid) {
838 int b = fifo_data.graphics_burst_size >> 4;
840 while (b >>= 1) (*burst)++;
841 *lwm = fifo_data.graphics_lwm >> 3;
846 void nv30UpdateArbitrationSettings (NVPtr pNv,
850 unsigned int fifo_size, burst_size, graphics_lwm;
854 graphics_lwm = fifo_size - burst_size;
858 while(burst_size >>= 1) (*burst)++;
859 *lwm = graphics_lwm >> 3;
862 #ifdef XSERVER_LIBPCIACCESS
864 struct pci_device GetDeviceByPCITAG(uint32_t bus, uint32_t dev, uint32_t func)
866 const struct pci_slot_match match[] = { {0, bus, dev, func, 0} };
867 struct pci_device_iterator *iterator;
868 struct pci_device *device;
870 /* assume one device to exist */
871 iterator = pci_slot_match_iterator_create(match);
872 device = pci_device_next(iterator);
877 #endif /* XSERVER_LIBPCIACCESS */
879 void nForceUpdateArbitrationSettings (unsigned VClk,
886 nv10_fifo_info fifo_data;
887 nv10_sim_state sim_data;
888 unsigned int MClk, NVClk, memctrl;
890 #ifdef XSERVER_LIBPCIACCESS
891 struct pci_device tmp;
892 #endif /* XSERVER_LIBPCIACCESS */
894 if((pNv->Chipset & 0x0FF0) == CHIPSET_NFORCE) {
895 unsigned int uMClkPostDiv;
897 #ifdef XSERVER_LIBPCIACCESS
898 tmp = GetDeviceByPCITAG(0, 0, 3);
899 PCI_DEV_READ_LONG(&tmp, 0x6C, &(uMClkPostDiv));
900 uMClkPostDiv = (uMClkPostDiv >> 8) & 0xf;
902 uMClkPostDiv = (pciReadLong(pciTag(0, 0, 3), 0x6C) >> 8) & 0xf;
903 #endif /* XSERVER_LIBPCIACCESS */
904 if(!uMClkPostDiv) uMClkPostDiv = 4;
905 MClk = 400000 / uMClkPostDiv;
907 #ifdef XSERVER_LIBPCIACCESS
908 tmp = GetDeviceByPCITAG(0, 0, 5);
909 PCI_DEV_READ_LONG(&tmp, 0x4C, &(MClk));
912 MClk = pciReadLong(pciTag(0, 0, 5), 0x4C) / 1000;
913 #endif /* XSERVER_LIBPCIACCESS */
916 NVClk = nv_get_clock(pNv, NVPLL);
917 sim_data.pix_bpp = (char)pixelDepth;
918 sim_data.enable_video = 0;
919 sim_data.enable_mp = 0;
920 #ifdef XSERVER_LIBPCIACCESS
921 tmp = GetDeviceByPCITAG(0, 0, 1);
922 PCI_DEV_READ_LONG(&tmp, 0x7C, &(sim_data.memory_type));
923 sim_data.memory_type = (sim_data.memory_type >> 12) & 1;
925 sim_data.memory_type = (pciReadLong(pciTag(0, 0, 1), 0x7C) >> 12) & 1;
926 #endif /* XSERVER_LIBPCIACCESS */
927 sim_data.memory_width = 64;
929 #ifdef XSERVER_LIBPCIACCESS
930 /* This offset is 0, is this even usefull? */
931 tmp = GetDeviceByPCITAG(0, 0, 3);
932 PCI_DEV_READ_LONG(&tmp, 0x00, &(memctrl));
935 memctrl = pciReadLong(pciTag(0, 0, 3), 0x00) >> 16;
936 #endif /* XSERVER_LIBPCIACCESS */
938 if((memctrl == 0x1A9) || (memctrl == 0x1AB) || (memctrl == 0x1ED)) {
940 #ifdef XSERVER_LIBPCIACCESS
941 tmp = GetDeviceByPCITAG(0, 0, 2);
942 PCI_DEV_READ_LONG(&tmp, 0x40, &(dimm[0]));
943 PCI_DEV_READ_LONG(&tmp, 0x44, &(dimm[1]));
944 PCI_DEV_READ_LONG(&tmp, 0x48, &(dimm[2]));
946 for (i = 0; i < 3; i++) {
947 dimm[i] = (dimm[i] >> 8) & 0x4F;
950 dimm[0] = (pciReadLong(pciTag(0, 0, 2), 0x40) >> 8) & 0x4F;
951 dimm[1] = (pciReadLong(pciTag(0, 0, 2), 0x44) >> 8) & 0x4F;
952 dimm[2] = (pciReadLong(pciTag(0, 0, 2), 0x48) >> 8) & 0x4F;
955 if((dimm[0] + dimm[1]) != dimm[2]) {
957 "your nForce DIMMs are not arranged in optimal banks!\n");
961 sim_data.mem_latency = 3;
962 sim_data.mem_aligned = 1;
963 sim_data.mem_page_miss = 10;
964 sim_data.gr_during_vid = 0;
965 sim_data.pclk_khz = VClk;
966 sim_data.mclk_khz = MClk;
967 sim_data.nvclk_khz = NVClk;
968 nv10CalcArbitration(&fifo_data, &sim_data);
971 int b = fifo_data.graphics_burst_size >> 4;
973 while (b >>= 1) (*burst)++;
974 *lwm = fifo_data.graphics_lwm >> 3;
979 /****************************************************************************\
981 * RIVA Mode State Routines *
983 \****************************************************************************/
986 * Calculate the Video Clock parameters for the PLL.
988 static void CalcVClock (
995 unsigned lowM, highM;
996 unsigned DeltaNew, DeltaOld;
1000 DeltaOld = 0xFFFFFFFF;
1002 VClk = (unsigned)clockIn;
1004 if (pNv->CrystalFreqKHz == 13500) {
1012 for (P = 0; P <= 4; P++) {
1014 if ((Freq >= 128000) && (Freq <= 350000)) {
1015 for (M = lowM; M <= highM; M++) {
1016 N = ((VClk << P) * M) / pNv->CrystalFreqKHz;
1018 Freq = ((pNv->CrystalFreqKHz * N) / M) >> P;
1020 DeltaNew = Freq - VClk;
1022 DeltaNew = VClk - Freq;
1023 if (DeltaNew < DeltaOld) {
1024 *pllOut = (P << 16) | (N << 8) | M;
1026 DeltaOld = DeltaNew;
1034 static void CalcVClock2Stage (
1042 unsigned DeltaNew, DeltaOld;
1043 unsigned VClk, Freq;
1046 DeltaOld = 0xFFFFFFFF;
1048 *pllBOut = 0x80000401; /* fixed at x4 for now */
1050 VClk = (unsigned)clockIn;
1052 for (P = 0; P <= 6; P++) {
1054 if ((Freq >= 400000) && (Freq <= 1000000)) {
1055 for (M = 1; M <= 13; M++) {
1056 N = ((VClk << P) * M) / (pNv->CrystalFreqKHz << 2);
1057 if((N >= 5) && (N <= 255)) {
1058 Freq = (((pNv->CrystalFreqKHz << 2) * N) / M) >> P;
1060 DeltaNew = Freq - VClk;
1062 DeltaNew = VClk - Freq;
1063 if (DeltaNew < DeltaOld) {
1064 *pllOut = (P << 16) | (N << 8) | M;
1066 DeltaOld = DeltaNew;
1075 * Calculate extended mode parameters (SVGA) and save in a
1076 * mode state structure.
1078 void NVCalcStateExt (
1080 RIVA_HW_STATE *state,
1089 int pixelDepth, VClk = 0;
1093 * Save mode parameters.
1095 state->bpp = bpp; /* this is not bitsPerPixel, it's 8,15,16,32 */
1096 state->width = width;
1097 state->height = height;
1099 * Extended RIVA registers.
1101 pixelDepth = (bpp + 1)/8;
1102 if(pNv->twoStagePLL)
1103 CalcVClock2Stage(dotClock, &VClk, &state->pll, &state->pllB, pNv);
1105 CalcVClock(dotClock, &VClk, &state->pll, pNv);
1107 switch (pNv->Architecture)
1110 nv4UpdateArbitrationSettings(VClk,
1112 &(state->arbitration0),
1113 &(state->arbitration1),
1115 state->cursor0 = 0x00;
1116 state->cursor1 = 0xbC;
1117 if (flags & V_DBLSCAN)
1118 state->cursor1 |= 2;
1119 state->cursor2 = 0x00000000;
1120 state->pllsel = 0x10000700;
1121 state->general = bpp == 16 ? 0x00101100 : 0x00100100;
1122 state->repaint1 = hDisplaySize < 1280 ? 0x04 : 0x00;
1128 if(((pNv->Chipset & 0xfff0) == CHIPSET_C51) ||
1129 ((pNv->Chipset & 0xfff0) == CHIPSET_C512))
1131 state->arbitration0 = 128;
1132 state->arbitration1 = 0x0480;
1134 if(((pNv->Chipset & 0xffff) == CHIPSET_NFORCE) ||
1135 ((pNv->Chipset & 0xffff) == CHIPSET_NFORCE2))
1137 nForceUpdateArbitrationSettings(VClk,
1139 &(state->arbitration0),
1140 &(state->arbitration1),
1142 } else if(pNv->Architecture < NV_ARCH_30) {
1143 nv10UpdateArbitrationSettings(VClk,
1145 &(state->arbitration0),
1146 &(state->arbitration1),
1149 nv30UpdateArbitrationSettings(pNv,
1150 &(state->arbitration0),
1151 &(state->arbitration1));
1153 CursorStart = pNv->Cursor->offset;
1154 state->cursor0 = 0x80 | (CursorStart >> 17);
1155 state->cursor1 = (CursorStart >> 11) << 2;
1156 state->cursor2 = CursorStart >> 24;
1157 if (flags & V_DBLSCAN)
1158 state->cursor1 |= 2;
1159 state->pllsel = 0x10000700;
1160 state->general = bpp == 16 ? 0x00101100 : 0x00100100;
1161 state->repaint1 = hDisplaySize < 1280 ? 0x04 : 0x00;
1165 if(bpp != 8) /* DirectColor */
1166 state->general |= 0x00000030;
1168 state->repaint0 = (((width / 8) * pixelDepth) & 0x700) >> 3;
1169 state->pixel = (pixelDepth > 2) ? 3 : pixelDepth;
1173 void NVLoadStateExt (
1175 RIVA_HW_STATE *state
1178 NVPtr pNv = NVPTR(pScrn);
1181 if(pNv->Architecture >= NV_ARCH_40) {
1182 switch(pNv->Chipset & 0xfff0) {
1191 temp = nvReadCurRAMDAC(pNv, NV_RAMDAC_TEST_CONTROL);
1192 nvWriteCurRAMDAC(pNv, NV_RAMDAC_TEST_CONTROL, temp | 0x00100000);
1199 if(pNv->Architecture >= NV_ARCH_10) {
1201 NVWriteCRTC(pNv, 0, NV_CRTC_FSEL, state->head);
1202 NVWriteCRTC(pNv, 1, NV_CRTC_FSEL, state->head2);
1204 temp = nvReadCurRAMDAC(pNv, NV_RAMDAC_NV10_CURSYNC);
1205 nvWriteCurRAMDAC(pNv, NV_RAMDAC_NV10_CURSYNC, temp | (1 << 25));
1207 nvWriteVIDEO(pNv, NV_PVIDEO_STOP, 1);
1208 nvWriteVIDEO(pNv, NV_PVIDEO_INTR_EN, 0);
1209 nvWriteVIDEO(pNv, NV_PVIDEO_OFFSET_BUFF(0), 0);
1210 nvWriteVIDEO(pNv, NV_PVIDEO_OFFSET_BUFF(1), 0);
1211 nvWriteVIDEO(pNv, NV_PVIDEO_LIMIT(0), pNv->VRAMPhysicalSize - 1);
1212 nvWriteVIDEO(pNv, NV_PVIDEO_LIMIT(1), pNv->VRAMPhysicalSize - 1);
1213 nvWriteVIDEO(pNv, NV_PVIDEO_UVPLANE_LIMIT(0), pNv->VRAMPhysicalSize - 1);
1214 nvWriteVIDEO(pNv, NV_PVIDEO_UVPLANE_LIMIT(1), pNv->VRAMPhysicalSize - 1);
1215 nvWriteMC(pNv, NV_PBUS_POWERCTRL_2, 0);
1217 nvWriteCurCRTC(pNv, NV_CRTC_CURSOR_CONFIG, state->cursorConfig);
1218 nvWriteCurCRTC(pNv, NV_CRTC_0830, state->displayV - 3);
1219 nvWriteCurCRTC(pNv, NV_CRTC_0834, state->displayV - 1);
1221 if(pNv->FlatPanel) {
1222 if((pNv->Chipset & 0x0ff0) == CHIPSET_NV11) {
1223 nvWriteCurRAMDAC(pNv, NV_RAMDAC_DITHER_NV11, state->dither);
1226 nvWriteCurRAMDAC(pNv, NV_RAMDAC_FP_DITHER, state->dither);
1229 nvWriteCurVGA(pNv, NV_VGA_CRTCX_FP_HTIMING, state->timingH);
1230 nvWriteCurVGA(pNv, NV_VGA_CRTCX_FP_VTIMING, state->timingV);
1231 nvWriteCurVGA(pNv, NV_VGA_CRTCX_BUFFER, 0xfa);
1234 nvWriteCurVGA(pNv, NV_VGA_CRTCX_EXTRA, state->extra);
1237 nvWriteCurVGA(pNv, NV_VGA_CRTCX_REPAINT0, state->repaint0);
1238 nvWriteCurVGA(pNv, NV_VGA_CRTCX_REPAINT1, state->repaint1);
1239 nvWriteCurVGA(pNv, NV_VGA_CRTCX_LSR, state->screen);
1240 nvWriteCurVGA(pNv, NV_VGA_CRTCX_PIXEL, state->pixel);
1241 nvWriteCurVGA(pNv, NV_VGA_CRTCX_HEB, state->horiz);
1242 nvWriteCurVGA(pNv, NV_VGA_CRTCX_FIFO1, state->fifo);
1243 nvWriteCurVGA(pNv, NV_VGA_CRTCX_FIFO0, state->arbitration0);
1244 nvWriteCurVGA(pNv, NV_VGA_CRTCX_FIFO_LWM, state->arbitration1);
1245 if(pNv->Architecture >= NV_ARCH_30) {
1246 nvWriteCurVGA(pNv, NV_VGA_CRTCX_FIFO_LWM_NV30, state->arbitration1 >> 8);
1249 nvWriteCurVGA(pNv, NV_VGA_CRTCX_CURCTL0, state->cursor0);
1250 nvWriteCurVGA(pNv, NV_VGA_CRTCX_CURCTL1, state->cursor1);
1251 if(pNv->Architecture == NV_ARCH_40) { /* HW bug */
1252 volatile CARD32 curpos = nvReadCurRAMDAC(pNv, NV_RAMDAC_CURSOR_POS);
1253 nvWriteCurRAMDAC(pNv, NV_RAMDAC_CURSOR_POS, curpos);
1255 nvWriteCurVGA(pNv, NV_VGA_CRTCX_CURCTL2, state->cursor2);
1256 nvWriteCurVGA(pNv, NV_VGA_CRTCX_INTERLACE, state->interlace);
1258 if(!pNv->FlatPanel) {
1259 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_PLL_SELECT, state->pllsel);
1260 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL, state->vpll);
1262 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL2, state->vpll2);
1263 if(pNv->twoStagePLL) {
1264 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL_B, state->vpllB);
1265 NVWriteRAMDAC(pNv, 0, NV_RAMDAC_VPLL2_B, state->vpll2B);
1268 nvWriteCurRAMDAC(pNv, NV_RAMDAC_FP_CONTROL, state->scale);
1269 nvWriteCurRAMDAC(pNv, NV_RAMDAC_FP_HCRTC, state->crtcSync);
1271 nvWriteCurRAMDAC(pNv, NV_RAMDAC_GENERAL_CONTROL, state->general);
1273 nvWriteCurCRTC(pNv, NV_CRTC_INTR_EN_0, 0);
1274 nvWriteCurCRTC(pNv, NV_CRTC_INTR_0, NV_CRTC_INTR_VBLANK);
1277 void NVUnloadStateExt
1280 RIVA_HW_STATE *state
1283 state->repaint0 = nvReadCurVGA(pNv, NV_VGA_CRTCX_REPAINT0);
1284 state->repaint1 = nvReadCurVGA(pNv, NV_VGA_CRTCX_REPAINT1);
1285 state->screen = nvReadCurVGA(pNv, NV_VGA_CRTCX_LSR);
1286 state->pixel = nvReadCurVGA(pNv, NV_VGA_CRTCX_PIXEL);
1287 state->horiz = nvReadCurVGA(pNv, NV_VGA_CRTCX_HEB);
1288 state->fifo = nvReadCurVGA(pNv, NV_VGA_CRTCX_FIFO1);
1289 state->arbitration0 = nvReadCurVGA(pNv, NV_VGA_CRTCX_FIFO0);
1290 state->arbitration1 = nvReadCurVGA(pNv, NV_VGA_CRTCX_FIFO_LWM);
1291 if(pNv->Architecture >= NV_ARCH_30) {
1292 state->arbitration1 |= (nvReadCurVGA(pNv, NV_VGA_CRTCX_FIFO_LWM_NV30) & 1) << 8;
1294 state->cursor0 = nvReadCurVGA(pNv, NV_VGA_CRTCX_CURCTL0);
1295 state->cursor1 = nvReadCurVGA(pNv, NV_VGA_CRTCX_CURCTL1);
1296 state->cursor2 = nvReadCurVGA(pNv, NV_VGA_CRTCX_CURCTL2);
1297 state->interlace = nvReadCurVGA(pNv, NV_VGA_CRTCX_INTERLACE);
1299 state->vpll = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL);
1301 state->vpll2 = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL2);
1302 if(pNv->twoStagePLL) {
1303 state->vpllB = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL_B);
1304 state->vpll2B = NVReadRAMDAC(pNv, 0, NV_RAMDAC_VPLL2_B);
1306 state->pllsel = NVReadRAMDAC(pNv, 0, NV_RAMDAC_PLL_SELECT);
1307 state->general = nvReadCurRAMDAC(pNv, NV_RAMDAC_GENERAL_CONTROL);
1308 state->scale = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_CONTROL);
1310 if(pNv->Architecture >= NV_ARCH_10) {
1312 state->head = NVReadCRTC(pNv, 0, NV_CRTC_FSEL);
1313 state->head2 = NVReadCRTC(pNv, 1, NV_CRTC_FSEL);
1314 state->crtcOwner = nvReadCurVGA(pNv, NV_VGA_CRTCX_OWNER);
1316 state->extra = nvReadCurVGA(pNv, NV_VGA_CRTCX_EXTRA);
1318 state->cursorConfig = nvReadCurCRTC(pNv, NV_CRTC_CURSOR_CONFIG);
1320 if((pNv->Chipset & 0x0ff0) == CHIPSET_NV11) {
1321 state->dither = nvReadCurRAMDAC(pNv, NV_RAMDAC_DITHER_NV11);
1324 state->dither = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_DITHER);
1327 if(pNv->FlatPanel) {
1328 state->timingH = nvReadCurVGA(pNv, NV_VGA_CRTCX_FP_HTIMING);
1329 state->timingV = nvReadCurVGA(pNv, NV_VGA_CRTCX_FP_VTIMING);
1333 if(pNv->FlatPanel) {
1334 state->crtcSync = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_HCRTC);
1338 void NVSetStartAddress (
1343 nvWriteCurCRTC(pNv, NV_CRTC_START, start);
1346 uint32_t nv_pitch_align(NVPtr pNv, uint32_t width, int bpp)
1355 /* Alignment requirements taken from the Haiku driver */
1356 if (pNv->Architecture == NV_ARCH_04 || pNv->NoAccel) /* CRTC only case */
1357 /* Apparently a hardware bug on some hardware makes this 128 instead of 64 */
1358 mask = 128 / bpp - 1;
1359 else /* Accel case */
1360 mask = 512 / bpp - 1;
1362 return (width + mask) & ~mask;