2 * Copyright 2005-2006 Erik Waling
3 * Copyright 2006 Stephane Marchesin
4 * Copyright 2007-2008 Stuart Bennett
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
21 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 #include "nv_include.h"
28 #if defined(__FreeBSD__) || defined(__NetBSD__)
29 #define bswap_16 bswap16
30 #define bswap_32 bswap32
36 /* FIXME: put these somewhere */
37 #define SEQ_INDEX VGA_SEQ_INDEX
38 #define NV_VGA_CRTCX_OWNER_HEADA 0x0
39 #define NV_VGA_CRTCX_OWNER_HEADB 0x3
40 #define FEATURE_MOBILE 0x10
42 //#define BIOSLOG(sip, fmt, arg...) xf86DrvMsg(sip->scrnIndex, X_INFO, fmt, ##arg)
43 //#define LOG_OLD_VALUE(x) x
44 #define BIOSLOG(sip, fmt, arg...)
45 #define LOG_OLD_VALUE(x)
47 static int crtchead = 0;
49 /* this will need remembering across a suspend */
50 static uint32_t saved_nv_pfb_cfg0;
57 static uint16_t le16_to_cpu(const uint16_t x)
59 #if X_BYTE_ORDER == X_BIG_ENDIAN
66 static uint32_t le32_to_cpu(const uint32_t x)
68 #if X_BYTE_ORDER == X_BIG_ENDIAN
75 static bool nv_cksum(const uint8_t *data, unsigned int length)
77 /* there's a few checksums in the BIOS, so here's a generic checking function */
81 for (i = 0; i < length; i++)
90 static int score_vbios(ScrnInfoPtr pScrn, const uint8_t *data)
92 if (!(data[0] == 0x55 && data[1] == 0xAA)) {
93 xf86DrvMsg(pScrn->scrnIndex, X_NOTICE, "... BIOS signature not found\n");
97 if (nv_cksum(data, data[2] * 512)) {
98 xf86DrvMsg(pScrn->scrnIndex, X_NOTICE, "... BIOS checksum invalid\n");
101 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "... appears to be valid\n");
106 static void load_vbios_prom(NVPtr pNv, uint8_t *data)
110 /* enable ROM access */
111 nvWriteMC(pNv, NV_PBUS_PCI_NV_20, NV_PBUS_PCI_NV_20_ROM_SHADOW_DISABLED);
112 for (i = 0; i < NV_PROM_SIZE; i++) {
113 /* according to nvclock, we need that to work around a 6600GT/6800LE bug */
114 data[i] = NV_RD08(pNv->REGS, NV_PROM_OFFSET + i);
115 data[i] = NV_RD08(pNv->REGS, NV_PROM_OFFSET + i);
116 data[i] = NV_RD08(pNv->REGS, NV_PROM_OFFSET + i);
117 data[i] = NV_RD08(pNv->REGS, NV_PROM_OFFSET + i);
118 data[i] = NV_RD08(pNv->REGS, NV_PROM_OFFSET + i);
120 /* disable ROM access */
121 nvWriteMC(pNv, NV_PBUS_PCI_NV_20, NV_PBUS_PCI_NV_20_ROM_SHADOW_ENABLED);
124 static void load_vbios_pramin(NVPtr pNv, uint8_t *data)
126 uint32_t old_bar0_pramin = 0;
129 if (pNv->Architecture >= NV_ARCH_50) {
130 uint32_t vbios_vram = (NV_RD32(pNv->REGS, 0x619f04) & ~0xff) << 8;
133 vbios_vram = (NV_RD32(pNv->REGS, 0x1700) << 16) + 0xf0000;
135 old_bar0_pramin = NV_RD32(pNv->REGS, 0x1700);
136 NV_WR32(pNv->REGS, 0x1700, vbios_vram >> 16);
139 for (i = 0; i < NV_PROM_SIZE; i++)
140 data[i] = NV_RD08(pNv->REGS, NV_PRAMIN_OFFSET + i);
142 if (pNv->Architecture >= NV_ARCH_50)
143 NV_WR32(pNv->REGS, 0x1700, old_bar0_pramin);
146 static void load_vbios_pci(NVPtr pNv, uint8_t *data)
148 #if XSERVER_LIBPCIACCESS
149 pci_device_read_rom(pNv->PciInfo, data);
151 xf86ReadPciBIOS(0, pNv->PciTag, 0, data, NV_PROM_SIZE);
155 static bool NVShadowVBIOS(ScrnInfoPtr pScrn, uint8_t *data)
157 NVPtr pNv = NVPTR(pScrn);
160 void (*loadbios)(NVPtr, uint8_t *);
164 { "PROM", load_vbios_prom },
166 { "PRAMIN", load_vbios_pramin },
168 { "PCI ROM", load_vbios_pci }
173 for (i = 0; i < sizeof(method) / sizeof(struct methods); i++) {
174 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
175 "Attempting to load BIOS image from %s\n", method[i].desc);
176 method[i].loadbios(pNv, data);
177 if ((method[i].score = score_vbios(pScrn, data)) == 2)
181 for (i = 0; i < sizeof(method) / sizeof(struct methods); i++)
182 if (method[i].score == 1) {
183 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
184 "Using BIOS image from %s\n", method[i].desc);
185 method[i].loadbios(pNv, data);
189 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid BIOS image found\n");
199 int length_multiplier;
200 bool (*handler)(ScrnInfoPtr pScrn, bios_t *, uint16_t, init_exec_t *);
209 static void parse_init_table(ScrnInfoPtr pScrn, bios_t *bios, unsigned int offset, init_exec_t *iexec);
211 #define MACRO_INDEX_SIZE 2
213 #define CONDITION_SIZE 12
214 #define IO_FLAG_CONDITION_SIZE 9
215 #define MEM_INIT_SIZE 66
217 static void nv_usleep(int time)
222 static void still_alive(void)
228 static int nv_valid_reg(ScrnInfoPtr pScrn, uint32_t reg)
230 NVPtr pNv = NVPTR(pScrn);
232 /* C51 has misaligned regs on purpose. Marvellous */
233 if ((reg & 0x3 && pNv->VBIOS.chip_version != 0x51) ||
234 (reg & 0x2 && pNv->VBIOS.chip_version == 0x51)) {
235 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
236 "========== misaligned reg 0x%08X ==========\n", reg);
240 #define WITHIN(x,y,z) ((x>=y)&&(x<=y+z))
241 if (WITHIN(reg,NV_PMC_OFFSET,NV_PMC_SIZE))
243 if (WITHIN(reg,NV_PBUS_OFFSET,NV_PBUS_SIZE))
245 if (WITHIN(reg,NV_PFIFO_OFFSET,NV_PFIFO_SIZE))
247 /* maybe a little large, but it will do for the moment. */
248 if (pNv->VBIOS.chip_version >= 0x80 && WITHIN(reg, 0x1000, 0xEFFF))
250 if (pNv->VBIOS.chip_version >= 0x30 && WITHIN(reg,0x4000,0x600))
252 if (pNv->VBIOS.chip_version >= 0x40 && WITHIN(reg,0xc000,0x48))
254 if (pNv->VBIOS.chip_version >= 0x17 && reg == 0x0000d204)
256 if (pNv->VBIOS.chip_version >= 0x40) {
257 if (reg == 0x00011014 || reg == 0x00020328)
259 if (WITHIN(reg,0x88000,NV_PBUS_SIZE)) /* new PBUS */
262 if (WITHIN(reg,NV_PFB_OFFSET,NV_PFB_SIZE))
264 if (WITHIN(reg,NV_PEXTDEV_OFFSET,NV_PEXTDEV_SIZE))
266 if (WITHIN(reg,NV_PCRTC0_OFFSET,NV_PCRTC0_SIZE * 2))
268 if (pNv->VBIOS.chip_version >= 0x80 && WITHIN(reg, NV50_DISPLAY_OFFSET, NV50_DISPLAY_SIZE))
270 if (WITHIN(reg,NV_PRAMDAC0_OFFSET,NV_PRAMDAC0_SIZE * 2))
272 if (pNv->VBIOS.chip_version >= 0x17 && reg == 0x0070fff0)
274 if (pNv->VBIOS.chip_version == 0x51 && WITHIN(reg,NV_PRAMIN_OFFSET,NV_PRAMIN_SIZE))
278 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
279 "========== unknown reg 0x%08X ==========\n", reg);
284 static bool nv_valid_idx_port(ScrnInfoPtr pScrn, uint16_t port)
286 /* if adding more ports here, the read/write functions below will need
287 * updating so that the correct mmio range (PCIO, PDIO, PVIO) is used
288 * for the port in question
290 if (port == CRTC_INDEX_COLOR)
292 if (port == SEQ_INDEX)
295 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
296 "========== unknown indexed io port 0x%04X ==========\n", port);
301 static bool nv_valid_port(ScrnInfoPtr pScrn, uint16_t port)
303 /* if adding more ports here, the read/write functions below will need
304 * updating so that the correct mmio range (PCIO, PDIO, PVIO) is used
305 * for the port in question
307 if (port == VGA_ENABLE)
310 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
311 "========== unknown io port 0x%04X ==========\n", port);
316 static uint32_t nv32_rd(ScrnInfoPtr pScrn, uint32_t reg)
318 NVPtr pNv = NVPTR(pScrn);
321 if (!nv_valid_reg(pScrn, reg))
324 /* C51 sometimes uses regs with bit0 set in the address. For these
325 * cases there should exist a translation in a BIOS table to an IO
326 * port address which the BIOS uses for accessing the reg
328 * These only seem to appear for the power control regs to a flat panel
329 * and in C51 mmio traces the normal regs for 0x1308 and 0x1310 are
330 * used - hence the mask below. An S3 suspend-resume mmio trace from a
331 * C51 will be required to see if this is true for the power microcode
332 * in 0x14.., or whether the direct IO port access method is needed
337 data = NV_RD32(pNv->REGS, reg);
339 BIOSLOG(pScrn, " Read: Reg: 0x%08X, Data: 0x%08X\n", reg, data);
344 static void nv32_wr(ScrnInfoPtr pScrn, uint32_t reg, uint32_t data)
346 NVPtr pNv = NVPTR(pScrn);
348 if (!nv_valid_reg(pScrn, reg))
351 /* see note in nv32_rd */
355 LOG_OLD_VALUE(nv32_rd(pScrn, reg));
356 BIOSLOG(pScrn, " Write: Reg: 0x%08X, Data: 0x%08X\n", reg, data);
358 if (pNv->VBIOS.execute) {
360 NV_WR32(pNv->REGS, reg, data);
364 static uint8_t nv_idx_port_rd(ScrnInfoPtr pScrn, uint16_t port, uint8_t index)
366 NVPtr pNv = NVPTR(pScrn);
369 if (!nv_valid_idx_port(pScrn, port))
372 if (port == SEQ_INDEX)
373 data = NVReadVgaSeq(pNv, crtchead, index);
374 else /* assume CRTC_INDEX_COLOR */
375 data = NVReadVgaCrtc(pNv, crtchead, index);
377 BIOSLOG(pScrn, " Indexed IO read: Port: 0x%04X, Index: 0x%02X, Head: 0x%02X, Data: 0x%02X\n",
378 port, index, crtchead, data);
383 static void nv_idx_port_wr(ScrnInfoPtr pScrn, uint16_t port, uint8_t index, uint8_t data)
385 NVPtr pNv = NVPTR(pScrn);
387 if (!nv_valid_idx_port(pScrn, port))
390 /* The current head is maintained in a file scope variable crtchead.
391 * We trap changes to CRTCX_OWNER and update the head variable
392 * and hence the register set written.
393 * As CRTCX_OWNER only exists on CRTC0, we update crtchead to head0
394 * in advance of the write, and to head1 after the write
396 if (port == CRTC_INDEX_COLOR && index == NV_VGA_CRTCX_OWNER && data != NV_VGA_CRTCX_OWNER_HEADB)
399 LOG_OLD_VALUE(nv_idx_port_rd(pScrn, port, index));
400 BIOSLOG(pScrn, " Indexed IO write: Port: 0x%04X, Index: 0x%02X, Head: 0x%02X, Data: 0x%02X\n",
401 port, index, crtchead, data);
403 if (pNv->VBIOS.execute) {
405 if (port == SEQ_INDEX)
406 NVWriteVgaSeq(pNv, crtchead, index, data);
407 else /* assume CRTC_INDEX_COLOR */
408 NVWriteVgaCrtc(pNv, crtchead, index, data);
411 if (port == CRTC_INDEX_COLOR && index == NV_VGA_CRTCX_OWNER && data == NV_VGA_CRTCX_OWNER_HEADB)
415 static uint8_t nv_port_rd(ScrnInfoPtr pScrn, uint16_t port)
417 NVPtr pNv = NVPTR(pScrn);
420 if (!nv_valid_port(pScrn, port))
423 data = NVReadPVIO(pNv, crtchead, port);
425 BIOSLOG(pScrn, " IO read: Port: 0x%04X, Head: 0x%02X, Data: 0x%02X\n",
426 port, crtchead, data);
431 static void nv_port_wr(ScrnInfoPtr pScrn, uint16_t port, uint8_t data)
433 NVPtr pNv = NVPTR(pScrn);
435 if (!nv_valid_port(pScrn, port))
438 LOG_OLD_VALUE(nv_port_rd(pScrn, port));
439 BIOSLOG(pScrn, " IO write: Port: 0x%04X, Head: 0x%02X, Data: 0x%02X\n",
440 port, crtchead, data);
442 if (pNv->VBIOS.execute) {
444 NVWritePVIO(pNv, crtchead, port, data);
448 #define ACCESS_UNLOCK 0
449 #define ACCESS_LOCK 1
450 static void crtc_access(NVPtr pNv, bool lock)
454 NVLockVgaCrtc(pNv, 0, lock);
457 NVLockVgaCrtc(pNv, 1, lock);
458 NVSetOwner(pNv, crtchead);
462 static bool io_flag_condition(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, uint8_t cond)
464 /* The IO flag condition entry has 2 bytes for the CRTC port; 1 byte
465 * for the CRTC index; 1 byte for the mask to apply to the value
466 * retrieved from the CRTC; 1 byte for the shift right to apply to the
467 * masked CRTC value; 2 bytes for the offset to the flag array, to
468 * which the shifted value is added; 1 byte for the mask applied to the
469 * value read from the flag array; and 1 byte for the value to compare
470 * against the masked byte from the flag table.
473 uint16_t condptr = bios->io_flag_condition_tbl_ptr + cond * IO_FLAG_CONDITION_SIZE;
474 uint16_t crtcport = le16_to_cpu(*((uint16_t *)(&bios->data[condptr])));
475 uint8_t crtcindex = bios->data[condptr + 2];
476 uint8_t mask = bios->data[condptr + 3];
477 uint8_t shift = bios->data[condptr + 4];
478 uint16_t flagarray = le16_to_cpu(*((uint16_t *)(&bios->data[condptr + 5])));
479 uint8_t flagarraymask = bios->data[condptr + 7];
480 uint8_t cmpval = bios->data[condptr + 8];
483 BIOSLOG(pScrn, "0x%04X: Port: 0x%04X, Index: 0x%02X, Mask: 0x%02X, Shift: 0x%02X, FlagArray: 0x%04X, FAMask: 0x%02X, Cmpval: 0x%02X\n",
484 offset, crtcport, crtcindex, mask, shift, flagarray, flagarraymask, cmpval);
486 data = nv_idx_port_rd(pScrn, crtcport, crtcindex);
488 data = bios->data[flagarray + ((data & mask) >> shift)];
489 data &= flagarraymask;
491 BIOSLOG(pScrn, "0x%04X: Checking if 0x%02X equals 0x%02X\n", offset, data, cmpval);
499 int getMNP_single(ScrnInfoPtr pScrn, struct pll_lims *pll_lim, int clk, int *bestNM, int *bestlog2P)
501 /* Find M, N and P for a single stage PLL
503 * Note that some bioses (NV3x) have lookup tables of precomputed MNP
504 * values, but we're too lazy to use those atm
506 * "clk" parameter in kHz
507 * returns calculated clock
510 bios_t *bios = &NVPTR(pScrn)->VBIOS;
511 int minvco = pll_lim->vco1.minfreq, maxvco = pll_lim->vco1.maxfreq;
512 int minM = pll_lim->vco1.min_m, maxM = pll_lim->vco1.max_m;
513 int minN = pll_lim->vco1.min_n, maxN = pll_lim->vco1.max_n;
514 int minU = pll_lim->vco1.min_inputfreq, maxU = pll_lim->vco1.max_inputfreq;
516 int crystal = pll_lim->refclk;
519 int delta, bestdelta = INT_MAX;
522 /* this division verified for nv20, nv18, nv28 (Haiku), and nv34 */
523 /* possibly correlated with introduction of 27MHz crystal */
524 if (bios->chip_version <= 0x16 || bios->chip_version == 0x20) {
530 } else if (bios->chip_version < 0x40) {
538 } else /* nv4x may be subject to the nv17+ limits, but assume not for now */
541 if ((clk << maxlog2P) < minvco) {
542 minvco = clk << maxlog2P;
545 if (clk + clk/200 > maxvco) /* +0.5% */
546 maxvco = clk + clk/200;
548 /* NV34 goes maxlog2P->0, NV20 goes 0->maxlog2P */
549 for (log2P = 0; log2P <= maxlog2P; log2P++) {
558 for (M = minM; M <= maxM; M++) {
559 if (crystal/M < minU)
561 if (crystal/M > maxU)
564 /* add crystal/2 to round better */
565 N = (clkP * M + crystal/2) / crystal;
572 /* more rounding additions */
573 calcclk = ((N * crystal + P/2) / P + M/2) / M;
574 delta = abs(calcclk - clk);
575 /* we do an exhaustive search rather than terminating
576 * on an optimality condition...
578 if (delta < bestdelta) {
581 *bestNM = N << 8 | M;
583 if (delta == 0) /* except this one */
592 int getMNP_double(ScrnInfoPtr pScrn, struct pll_lims *pll_lim, int clk, int *bestNM1, int *bestNM2, int *bestlog2P)
594 /* Find M, N and P for a two stage PLL
596 * Note that some bioses (NV30+) have lookup tables of precomputed MNP
597 * values, but we're too lazy to use those atm
599 * "clk" parameter in kHz
600 * returns calculated clock
603 int minvco1 = pll_lim->vco1.minfreq, maxvco1 = pll_lim->vco1.maxfreq;
604 int minvco2 = pll_lim->vco2.minfreq, maxvco2 = pll_lim->vco2.maxfreq;
605 int minU1 = pll_lim->vco1.min_inputfreq, minU2 = pll_lim->vco2.min_inputfreq;
606 int maxU1 = pll_lim->vco1.max_inputfreq, maxU2 = pll_lim->vco2.max_inputfreq;
607 int minM1 = pll_lim->vco1.min_m, maxM1 = pll_lim->vco1.max_m;
608 int minN1 = pll_lim->vco1.min_n, maxN1 = pll_lim->vco1.max_n;
609 int minM2 = pll_lim->vco2.min_m, maxM2 = pll_lim->vco2.max_m;
610 int minN2 = pll_lim->vco2.min_n, maxN2 = pll_lim->vco2.max_n;
611 int crystal = pll_lim->refclk;
612 bool fixedgain2 = (minM2 == maxM2 && minN2 == maxN2);
613 int M1, N1, M2, N2, log2P;
614 int clkP, calcclk1, calcclk2, calcclkout;
615 int delta, bestdelta = INT_MAX;
618 int vco2 = (maxvco2 - maxvco2/200) / 2;
619 for (log2P = 0; clk && log2P < 6 && clk <= (vco2 >> log2P); log2P++) /* log2P is maximum of 6 */
623 if (maxvco2 < clk + clk/200) /* +0.5% */
624 maxvco2 = clk + clk/200;
626 for (M1 = minM1; M1 <= maxM1; M1++) {
627 if (crystal/M1 < minU1)
629 if (crystal/M1 > maxU1)
632 for (N1 = minN1; N1 <= maxN1; N1++) {
633 calcclk1 = crystal * N1 / M1;
634 if (calcclk1 < minvco1)
636 if (calcclk1 > maxvco1)
639 for (M2 = minM2; M2 <= maxM2; M2++) {
640 if (calcclk1/M2 < minU2)
642 if (calcclk1/M2 > maxU2)
645 /* add calcclk1/2 to round better */
646 N2 = (clkP * M2 + calcclk1/2) / calcclk1;
653 if (NVPTR(pScrn)->VBIOS.chip_version < 0x60)
654 if (N2/M2 < 4 || N2/M2 > 10)
657 calcclk2 = calcclk1 * N2 / M2;
658 if (calcclk2 < minvco2)
660 if (calcclk2 > maxvco2)
665 calcclkout = calcclk2 >> log2P;
666 delta = abs(calcclkout - clk);
667 /* we do an exhaustive search rather than terminating
668 * on an optimality condition...
670 if (delta < bestdelta) {
672 bestclk = calcclkout;
673 *bestNM1 = N1 << 8 | M1;
674 *bestNM2 = N2 << 8 | M2;
676 if (delta == 0) /* except this one */
686 static void setPLL_single(ScrnInfoPtr pScrn, uint32_t reg, int NM, int log2P)
688 bios_t *bios = &NVPTR(pScrn)->VBIOS;
689 uint32_t oldpll = nv32_rd(pScrn, reg);
690 uint32_t pll = (oldpll & 0xfff80000) | log2P << 16 | NM;
691 uint32_t saved_powerctrl_1 = 0;
692 int shift_powerctrl_1 = -4;
695 return; /* already set */
697 /* nv18 doesn't change POWERCTRL_1 for VPLL*; does gf4 need special-casing? */
698 if (bios->chip_version >= 0x17 && bios->chip_version != 0x20) {
700 case NV_RAMDAC_VPLL2:
701 shift_powerctrl_1 += 4;
703 shift_powerctrl_1 += 4;
705 shift_powerctrl_1 += 4;
706 case NV_RAMDAC_NVPLL:
707 shift_powerctrl_1 += 4;
710 if (shift_powerctrl_1 >= 0) {
711 saved_powerctrl_1 = nv32_rd(pScrn, NV_PBUS_POWERCTRL_1);
712 nv32_wr(pScrn, NV_PBUS_POWERCTRL_1, (saved_powerctrl_1 & ~(0xf << shift_powerctrl_1)) | 1 << shift_powerctrl_1);
717 nv32_wr(pScrn, reg, (oldpll & 0xffff0000) | NM);
723 /* then write P as well */
724 nv32_wr(pScrn, reg, pll);
726 if (shift_powerctrl_1 >= 0)
727 nv32_wr(pScrn, NV_PBUS_POWERCTRL_1, saved_powerctrl_1);
730 static void setPLL_double_highregs(ScrnInfoPtr pScrn, uint32_t reg1, int NM1, int NM2, int log2P)
732 bios_t *bios = &NVPTR(pScrn)->VBIOS;
733 bool nv3035 = bios->chip_version == 0x30 || bios->chip_version == 0x35;
734 uint32_t reg2 = reg1 + ((reg1 == NV_RAMDAC_VPLL2) ? 0x5c : 0x70);
735 uint32_t oldpll1 = nv32_rd(pScrn, reg1), oldpll2 = !nv3035 ? nv32_rd(pScrn, reg2) : 0;
736 uint32_t pll1 = (oldpll1 & 0xfff80000) | log2P << 16 | NM1;
737 uint32_t pll2 = !nv3035 ? (oldpll2 & 0x7fff0000) | 1 << 31 | NM2 : 0;
738 uint32_t saved_powerctrl_1 = 0, savedc040 = 0, maskc040 = ~0;
739 int shift_powerctrl_1 = -1;
740 bool single_stage = !NM2 || (((NM2 >> 8) & 0xff) == (NM2 & 0xff));
743 pll1 = (pll1 & 0xfcc7ffff) | (NM2 & (0x18 << 8)) << 13 | (NM2 & (0x7 << 8)) << 11 | 8 << 4 | (NM2 & 7) << 4;
745 if (oldpll1 == pll1 && oldpll2 == pll2)
746 return; /* already set */
748 if (reg1 == NV_RAMDAC_NVPLL) {
749 shift_powerctrl_1 = 0;
750 maskc040 = ~(3 << 20);
752 if (reg1 == NV_RAMDAC_MPLL) {
753 shift_powerctrl_1 = 4;
754 maskc040 = ~(3 << 22);
756 if (shift_powerctrl_1 >= 0) {
757 saved_powerctrl_1 = nv32_rd(pScrn, NV_PBUS_POWERCTRL_1);
758 nv32_wr(pScrn, NV_PBUS_POWERCTRL_1, (saved_powerctrl_1 & ~(0xf << shift_powerctrl_1)) | 1 << shift_powerctrl_1);
761 if (bios->chip_version >= 0x40) {
762 savedc040 = nv32_rd(pScrn, 0xc040);
763 nv32_wr(pScrn, 0xc040, savedc040 & maskc040);
766 if (reg1 == NV_RAMDAC_VPLL)
767 nv32_wr(pScrn, NV_RAMDAC_580, nv32_rd(pScrn, NV_RAMDAC_580) & ~NV_RAMDAC_580_VPLL1_ACTIVE);
768 if (reg1 == NV_RAMDAC_VPLL2)
769 nv32_wr(pScrn, NV_RAMDAC_580, nv32_rd(pScrn, NV_RAMDAC_580) & ~NV_RAMDAC_580_VPLL2_ACTIVE);
771 if (reg1 == NV_RAMDAC_VPLL)
772 nv32_wr(pScrn, NV_RAMDAC_580, nv32_rd(pScrn, NV_RAMDAC_580) | NV_RAMDAC_580_VPLL1_ACTIVE);
773 if (reg1 == NV_RAMDAC_VPLL2)
774 nv32_wr(pScrn, NV_RAMDAC_580, nv32_rd(pScrn, NV_RAMDAC_580) | NV_RAMDAC_580_VPLL2_ACTIVE);
780 nv32_wr(pScrn, reg2, pll2);
781 nv32_wr(pScrn, reg1, pll1);
783 if (shift_powerctrl_1 >= 0) {
784 nv32_wr(pScrn, NV_PBUS_POWERCTRL_1, saved_powerctrl_1);
785 if (bios->chip_version >= 0x40)
786 nv32_wr(pScrn, 0xc040, savedc040);
790 static void setPLL_double_lowregs(ScrnInfoPtr pScrn, uint32_t NMNMreg, int NM1, int NM2, int log2P)
792 /* When setting PLLs, there is a merry game of disabling and enabling
793 * various bits of hardware during the process. This function is a
794 * synthesis of six nv40 traces, nearly each card doing a subtly
795 * different thing. With luck all the necessary bits for each card are
796 * combined herein. Without luck it deviates from each card's formula
797 * so as to not work on any :)
800 uint32_t Preg = NMNMreg - 4;
801 uint32_t oldPval = nv32_rd(pScrn, Preg);
802 uint32_t NMNM = NM2 << 16 | NM1;
803 uint32_t Pval = (oldPval & ((Preg == 0x4020) ? ~(0x11 << 16) : ~(1 << 16))) | 0xc << 28 | log2P << 16;
804 uint32_t saved4600 = 0;
805 /* some cards have different maskc040s */
806 uint32_t maskc040 = ~(3 << 14), savedc040;
807 bool single_stage = !NM2 || (((NM2 >> 8) & 0xff) == (NM2 & 0xff));
809 if (nv32_rd(pScrn, NMNMreg) == NMNM && (oldPval & 0xc0070000) == Pval)
815 maskc040 = ~(0xc << 24);
817 if (Preg == 0x4020) {
818 struct pll_lims pll_lim;
821 if (!get_pll_limits(pScrn, Preg, &pll_lim))
824 Pval2 = log2P + pll_lim.log2p_bias;
825 if (Pval2 > pll_lim.max_log2p_bias)
826 Pval2 = pll_lim.max_log2p_bias;
827 Pval |= 1 << 28 | Pval2 << 20;
829 saved4600 = nv32_rd(pScrn, 0x4600);
830 nv32_wr(pScrn, 0x4600, saved4600 | 8 << 28);
833 Pval |= (Preg == 0x4020) ? 1 << 12 : 1 << 8;
835 nv32_wr(pScrn, Preg, oldPval | 1 << 28);
836 nv32_wr(pScrn, Preg, Pval & ~(4 << 28));
837 if (Preg == 0x4020) {
839 nv32_wr(pScrn, 0x4020, Pval & ~(0xc << 28));
840 nv32_wr(pScrn, 0x4038, Pval & ~(0xc << 28));
843 savedc040 = nv32_rd(pScrn, 0xc040);
844 nv32_wr(pScrn, 0xc040, savedc040 & maskc040);
846 nv32_wr(pScrn, NMNMreg, NMNM);
847 if (NMNMreg == 0x4024)
848 nv32_wr(pScrn, 0x403c, NMNM);
850 nv32_wr(pScrn, Preg, Pval);
851 if (Preg == 0x4020) {
853 nv32_wr(pScrn, 0x4020, Pval);
854 nv32_wr(pScrn, 0x4038, Pval);
855 nv32_wr(pScrn, 0x4600, saved4600);
858 nv32_wr(pScrn, 0xc040, savedc040);
860 if (Preg == 0x4020) {
861 nv32_wr(pScrn, 0x4020, Pval & ~(1 << 28));
862 nv32_wr(pScrn, 0x4038, Pval & ~(1 << 28));
866 static void setPLL(ScrnInfoPtr pScrn, bios_t *bios, uint32_t reg, uint32_t clk)
869 struct pll_lims pll_lim;
870 int NM1 = 0xbeef, NM2 = 0xdead, log2P;
872 /* high regs (such as in the mac g5 table) are not -= 4 */
873 if (!get_pll_limits(pScrn, reg > 0x405c ? reg : reg - 4, &pll_lim))
876 if (bios->chip_version >= 0x40 || bios->chip_version == 0x30 ||
877 bios->chip_version == 0x31 || bios->chip_version == 0x35 ||
878 bios->chip_version == 0x36) {
879 getMNP_double(pScrn, &pll_lim, clk, &NM1, &NM2, &log2P);
881 xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
882 "Could not find a suitable set of PLL coefficients, giving up\n");
886 setPLL_double_highregs(pScrn, reg, NM1, NM2, log2P);
888 setPLL_double_lowregs(pScrn, reg, NM1, NM2, log2P);
890 getMNP_single(pScrn, &pll_lim, clk, &NM1, &log2P);
891 setPLL_single(pScrn, reg, NM1, log2P);
896 static bool init_prog(ScrnInfoPtr pScrn, bios_t *bios, CARD16 offset, init_exec_t *iexec)
898 /* INIT_PROG opcode: 0x31
900 * offset (8 bit): opcode
901 * offset + 1 (32 bit): reg
902 * offset + 5 (32 bit): and mask
903 * offset + 9 (8 bit): shift right
904 * offset + 10 (8 bit): number of configurations
905 * offset + 11 (32 bit): register
906 * offset + 15 (32 bit): configuration 1
909 * Starting at offset + 15 there are "number of configurations"
910 * 32 bit values. To find out which configuration value to use
911 * read "CRTC reg" on the CRTC controller with index "CRTC index"
912 * and bitwise AND this value with "and mask" and then bit shift the
913 * result "shift right" bits to the right.
914 * Assign "register" with appropriate configuration value.
917 CARD32 reg = *((CARD32 *) (&bios->data[offset + 1]));
918 CARD32 and = *((CARD32 *) (&bios->data[offset + 5]));
919 CARD8 shiftr = *((CARD8 *) (&bios->data[offset + 9]));
920 CARD8 nr = *((CARD8 *) (&bios->data[offset + 10]));
921 CARD32 reg2 = *((CARD32 *) (&bios->data[offset + 11]));
923 CARD32 configval, tmp;
925 if (iexec->execute) {
926 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "0x%04X: REG: 0x%04X\n", offset,
929 tmp = nv32_rd(pScrn, reg);
930 configuration = (tmp & and) >> shiftr;
932 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "0x%04X: CONFIGURATION TO USE: 0x%02X\n",
933 offset, configuration);
935 if (configuration <= nr) {
938 *((CARD32 *) (&bios->data[offset + 15 + configuration * 4]));
940 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "0x%04X: REG: 0x%08X, VALUE: 0x%08X\n", offset,
943 tmp = nv32_rd(pScrn, reg2);
944 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "0x%04X: CURRENT VALUE IS: 0x%08X\n",
946 nv32_wr(pScrn, reg2, configval);
953 static bool init_io_restrict_prog(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
955 /* INIT_IO_RESTRICT_PROG opcode: 0x32 ('2')
957 * offset (8 bit): opcode
958 * offset + 1 (16 bit): CRTC port
959 * offset + 3 (8 bit): CRTC index
960 * offset + 4 (8 bit): mask
961 * offset + 5 (8 bit): shift
962 * offset + 6 (8 bit): count
963 * offset + 7 (32 bit): register
964 * offset + 11 (32 bit): configuration 1
967 * Starting at offset + 11 there are "count" 32 bit values.
968 * To find out which value to use read index "CRTC index" on "CRTC port",
969 * AND this value with "mask" and then bit shift right "shift" bits.
970 * Read the appropriate value using this index and write to "register"
973 uint16_t crtcport = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 1])));
974 uint8_t crtcindex = bios->data[offset + 3];
975 uint8_t mask = bios->data[offset + 4];
976 uint8_t shift = bios->data[offset + 5];
977 uint8_t count = bios->data[offset + 6];
978 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 7])));
985 BIOSLOG(pScrn, "0x%04X: Port: 0x%04X, Index: 0x%02X, Mask: 0x%02X, Shift: 0x%02X, Count: 0x%02X, Reg: 0x%08X\n",
986 offset, crtcport, crtcindex, mask, shift, count, reg);
988 config = (nv_idx_port_rd(pScrn, crtcport, crtcindex) & mask) >> shift;
989 if (config > count) {
990 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
991 "0x%04X: Config 0x%02X exceeds maximal bound 0x%02X\n",
992 offset, config, count);
996 configval = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 11 + config * 4])));
998 BIOSLOG(pScrn, "0x%04X: Writing config %02X\n", offset, config);
1000 nv32_wr(pScrn, reg, configval);
1005 static bool init_repeat(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1007 /* INIT_REPEAT opcode: 0x33 ('3')
1009 * offset (8 bit): opcode
1010 * offset + 1 (8 bit): count
1012 * Execute script following this opcode up to INIT_REPEAT_END
1016 uint8_t count = bios->data[offset + 1];
1019 /* no iexec->execute check by design */
1021 BIOSLOG(pScrn, "0x%04X: Repeating following segment %d times\n", offset, count);
1023 iexec->repeat = true;
1025 /* count - 1, as the script block will execute once when we leave this
1026 * opcode -- this is compatible with bios behaviour as:
1027 * a) the block is always executed at least once, even if count == 0
1028 * b) the bios interpreter skips to the op following INIT_END_REPEAT,
1031 for (i = 0; i < count - 1; i++)
1032 parse_init_table(pScrn, bios, offset + 2, iexec);
1034 iexec->repeat = false;
1039 static bool init_io_restrict_pll(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1041 /* INIT_IO_RESTRICT_PLL opcode: 0x34 ('4')
1043 * offset (8 bit): opcode
1044 * offset + 1 (16 bit): CRTC port
1045 * offset + 3 (8 bit): CRTC index
1046 * offset + 4 (8 bit): mask
1047 * offset + 5 (8 bit): shift
1048 * offset + 6 (8 bit): IO flag condition index
1049 * offset + 7 (8 bit): count
1050 * offset + 8 (32 bit): register
1051 * offset + 12 (16 bit): frequency 1
1054 * Starting at offset + 12 there are "count" 16 bit frequencies (10kHz).
1055 * Set PLL register "register" to coefficients for frequency n,
1056 * selected by reading index "CRTC index" of "CRTC port" ANDed with
1057 * "mask" and shifted right by "shift". If "IO flag condition index" > 0,
1058 * and condition met, double frequency before setting it.
1061 uint16_t crtcport = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 1])));
1062 uint8_t crtcindex = bios->data[offset + 3];
1063 uint8_t mask = bios->data[offset + 4];
1064 uint8_t shift = bios->data[offset + 5];
1065 int8_t io_flag_condition_idx = bios->data[offset + 6];
1066 uint8_t count = bios->data[offset + 7];
1067 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 8])));
1071 if (!iexec->execute)
1074 BIOSLOG(pScrn, "0x%04X: Port: 0x%04X, Index: 0x%02X, Mask: 0x%02X, Shift: 0x%02X, IO Flag Condition: 0x%02X, Count: 0x%02X, Reg: 0x%08X\n",
1075 offset, crtcport, crtcindex, mask, shift, io_flag_condition_idx, count, reg);
1077 config = (nv_idx_port_rd(pScrn, crtcport, crtcindex) & mask) >> shift;
1078 if (config > count) {
1079 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1080 "0x%04X: Config 0x%02X exceeds maximal bound 0x%02X\n",
1081 offset, config, count);
1085 freq = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 12 + config * 2])));
1087 if (io_flag_condition_idx > 0) {
1088 if (io_flag_condition(pScrn, bios, offset, io_flag_condition_idx)) {
1089 BIOSLOG(pScrn, "0x%04X: Condition fulfilled -- frequency doubled\n", offset);
1092 BIOSLOG(pScrn, "0x%04X: Condition not fulfilled -- frequency unchanged\n", offset);
1095 BIOSLOG(pScrn, "0x%04X: Reg: 0x%08X, Config: 0x%02X, Freq: %d0kHz\n",
1096 offset, reg, config, freq);
1098 setPLL(pScrn, bios, reg, freq * 10);
1103 static bool init_end_repeat(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1105 /* INIT_END_REPEAT opcode: 0x36 ('6')
1107 * offset (8 bit): opcode
1109 * Marks the end of the block for INIT_REPEAT to repeat
1112 /* no iexec->execute check by design */
1114 /* iexec->repeat flag necessary to go past INIT_END_REPEAT opcode when
1115 * we're not in repeat mode
1123 static bool init_copy(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1125 /* INIT_COPY opcode: 0x37 ('7')
1127 * offset (8 bit): opcode
1128 * offset + 1 (32 bit): register
1129 * offset + 5 (8 bit): shift
1130 * offset + 6 (8 bit): srcmask
1131 * offset + 7 (16 bit): CRTC port
1132 * offset + 9 (8 bit): CRTC index
1133 * offset + 10 (8 bit): mask
1135 * Read index "CRTC index" on "CRTC port", AND with "mask", OR with
1136 * (REGVAL("register") >> "shift" & "srcmask") and write-back to CRTC port
1139 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 1])));
1140 uint8_t shift = bios->data[offset + 5];
1141 uint8_t srcmask = bios->data[offset + 6];
1142 uint16_t crtcport = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 7])));
1143 uint8_t crtcindex = bios->data[offset + 9];
1144 uint8_t mask = bios->data[offset + 10];
1148 if (!iexec->execute)
1151 BIOSLOG(pScrn, "0x%04X: Reg: 0x%08X, Shift: 0x%02X, SrcMask: 0x%02X, Port: 0x%04X, Index: 0x%02X, Mask: 0x%02X\n",
1152 offset, reg, shift, srcmask, crtcport, crtcindex, mask);
1154 data = nv32_rd(pScrn, reg);
1159 data <<= (0x100 - shift);
1163 crtcdata = (nv_idx_port_rd(pScrn, crtcport, crtcindex) & mask) | (uint8_t)data;
1164 nv_idx_port_wr(pScrn, crtcport, crtcindex, crtcdata);
1169 static bool init_not(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1171 /* INIT_NOT opcode: 0x38 ('8')
1173 * offset (8 bit): opcode
1175 * Invert the current execute / no-execute condition (i.e. "else")
1178 BIOSLOG(pScrn, "0x%04X: ------ Skipping following commands ------\n", offset);
1180 BIOSLOG(pScrn, "0x%04X: ------ Executing following commands ------\n", offset);
1182 iexec->execute = !iexec->execute;
1186 static bool init_io_flag_condition(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1188 /* INIT_IO_FLAG_CONDITION opcode: 0x39 ('9')
1190 * offset (8 bit): opcode
1191 * offset + 1 (8 bit): condition number
1193 * Check condition "condition number" in the IO flag condition table.
1194 * If condition not met skip subsequent opcodes until condition is
1195 * inverted (INIT_NOT), or we hit INIT_RESUME
1198 uint8_t cond = bios->data[offset + 1];
1200 if (!iexec->execute)
1203 if (io_flag_condition(pScrn, bios, offset, cond))
1204 BIOSLOG(pScrn, "0x%04X: Condition fulfilled -- continuing to execute\n", offset);
1206 BIOSLOG(pScrn, "0x%04X: Condition not fulfilled -- skipping following commands\n", offset);
1207 iexec->execute = false;
1213 static bool init_idx_addr_latched(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1215 /* INIT_INDEX_ADDRESS_LATCHED opcode: 0x49 ('I')
1217 * offset (8 bit): opcode
1218 * offset + 1 (32 bit): control register
1219 * offset + 5 (32 bit): data register
1220 * offset + 9 (32 bit): mask
1221 * offset + 13 (32 bit): data
1222 * offset + 17 (8 bit): count
1223 * offset + 18 (8 bit): address 1
1224 * offset + 19 (8 bit): data 1
1227 * For each of "count" address and data pairs, write "data n" to "data register",
1228 * read the current value of "control register", and write it back once ANDed
1229 * with "mask", ORed with "data", and ORed with "address n"
1232 uint32_t controlreg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 1])));
1233 uint32_t datareg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 5])));
1234 uint32_t mask = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 9])));
1235 uint32_t data = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 13])));
1236 uint8_t count = bios->data[offset + 17];
1240 if (!iexec->execute)
1243 BIOSLOG(pScrn, "0x%04X: ControlReg: 0x%08X, DataReg: 0x%08X, Mask: 0x%08X, Data: 0x%08X, Count: 0x%02X\n",
1244 offset, controlreg, datareg, mask, data, count);
1246 for (i = 0; i < count; i++) {
1247 uint8_t instaddress = bios->data[offset + 18 + i * 2];
1248 uint8_t instdata = bios->data[offset + 19 + i * 2];
1250 BIOSLOG(pScrn, "0x%04X: Address: 0x%02X, Data: 0x%02X\n", offset, instaddress, instdata);
1252 nv32_wr(pScrn, datareg, instdata);
1253 value = (nv32_rd(pScrn, controlreg) & mask) | data | instaddress;
1254 nv32_wr(pScrn, controlreg, value);
1260 static bool init_io_restrict_pll2(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1262 /* INIT_IO_RESTRICT_PLL2 opcode: 0x4A ('J')
1264 * offset (8 bit): opcode
1265 * offset + 1 (16 bit): CRTC port
1266 * offset + 3 (8 bit): CRTC index
1267 * offset + 4 (8 bit): mask
1268 * offset + 5 (8 bit): shift
1269 * offset + 6 (8 bit): count
1270 * offset + 7 (32 bit): register
1271 * offset + 11 (32 bit): frequency 1
1274 * Starting at offset + 11 there are "count" 32 bit frequencies (kHz).
1275 * Set PLL register "register" to coefficients for frequency n,
1276 * selected by reading index "CRTC index" of "CRTC port" ANDed with
1277 * "mask" and shifted right by "shift".
1280 uint16_t crtcport = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 1])));
1281 uint8_t crtcindex = bios->data[offset + 3];
1282 uint8_t mask = bios->data[offset + 4];
1283 uint8_t shift = bios->data[offset + 5];
1284 uint8_t count = bios->data[offset + 6];
1285 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 7])));
1289 if (!iexec->execute)
1292 BIOSLOG(pScrn, "0x%04X: Port: 0x%04X, Index: 0x%02X, Mask: 0x%02X, Shift: 0x%02X, Count: 0x%02X, Reg: 0x%08X\n",
1293 offset, crtcport, crtcindex, mask, shift, count, reg);
1298 config = (nv_idx_port_rd(pScrn, crtcport, crtcindex) & mask) >> shift;
1299 if (config > count) {
1300 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1301 "0x%04X: Config 0x%02X exceeds maximal bound 0x%02X\n",
1302 offset, config, count);
1306 freq = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 11 + config * 4])));
1308 BIOSLOG(pScrn, "0x%04X: Reg: 0x%08X, Config: 0x%02X, Freq: %dkHz\n",
1309 offset, reg, config, freq);
1311 setPLL(pScrn, bios, reg, freq);
1316 static bool init_pll2(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1318 /* INIT_PLL2 opcode: 0x4B ('K')
1320 * offset (8 bit): opcode
1321 * offset + 1 (32 bit): register
1322 * offset + 5 (32 bit): freq
1324 * Set PLL register "register" to coefficients for frequency "freq"
1327 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 1])));
1328 uint32_t freq = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 5])));
1330 if (!iexec->execute)
1333 BIOSLOG(pScrn, "0x%04X: Reg: 0x%04X, Freq: %dkHz\n",
1336 setPLL(pScrn, bios, reg, freq);
1341 static uint32_t get_tmds_index_reg(ScrnInfoPtr pScrn, uint8_t mlv)
1343 /* For mlv < 0x80, it is an index into a table of TMDS base addresses
1344 * For mlv == 0x80 use the "or" value of the dcb_entry indexed by CR58 for CR57 = 0
1345 * to index a table of offsets to the basic 0x6808b0 address
1346 * For mlv == 0x81 use the "or" value of the dcb_entry indexed by CR58 for CR57 = 0
1347 * to index a table of offsets to the basic 0x6808b0 address, and then flip the offset by 8
1350 NVPtr pNv = NVPTR(pScrn);
1351 const int pramdac_offset[13] = {0, 0, 0x8, 0, 0x2000, 0, 0, 0, 0x2008, 0, 0, 0, 0x2000};
1352 const uint32_t pramdac_table[4] = {0x6808b0, 0x6808b8, 0x6828b0, 0x6828b8};
1355 /* here we assume that the DCB table has already been parsed */
1358 /* This register needs to be written to set index for reading CR58 */
1359 nv_idx_port_wr(pScrn, CRTC_INDEX_COLOR, NV_VGA_CRTCX_57, 0);
1360 dcb_entry = nv_idx_port_rd(pScrn, CRTC_INDEX_COLOR, NV_VGA_CRTCX_58);
1361 if (dcb_entry > pNv->dcb_table.entries) {
1362 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1363 "CR58 doesn't have a valid DCB entry currently (%02X)\n", dcb_entry);
1366 dacoffset = pramdac_offset[pNv->dcb_table.entry[dcb_entry].or];
1369 return (0x6808b0 + dacoffset);
1371 if (mlv > (sizeof(pramdac_table) / sizeof(uint32_t))) {
1372 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
1373 "Magic Lookup Value too big (%02X)\n", mlv);
1376 return pramdac_table[mlv];
1380 static bool init_tmds(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1382 /* INIT_TMDS opcode: 0x4F ('O') (non-canon name)
1384 * offset (8 bit): opcode
1385 * offset + 1 (8 bit): magic lookup value
1386 * offset + 2 (8 bit): TMDS address
1387 * offset + 3 (8 bit): mask
1388 * offset + 4 (8 bit): data
1390 * Read the data reg for TMDS address "TMDS address", AND it with mask
1391 * and OR it with data, then write it back
1392 * "magic lookup value" determines which TMDS base address register is used --
1393 * see get_tmds_index_reg()
1396 uint8_t mlv = bios->data[offset + 1];
1397 uint32_t tmdsaddr = bios->data[offset + 2];
1398 uint8_t mask = bios->data[offset + 3];
1399 uint8_t data = bios->data[offset + 4];
1400 uint32_t reg, value;
1402 if (!iexec->execute)
1405 BIOSLOG(pScrn, "0x%04X: MagicLookupValue: 0x%02X, TMDSAddr: 0x%02X, Mask: 0x%02X, Data: 0x%02X\n",
1406 offset, mlv, tmdsaddr, mask, data);
1408 if (!(reg = get_tmds_index_reg(pScrn, mlv)))
1411 nv32_wr(pScrn, reg, tmdsaddr | 0x10000);
1412 value = (nv32_rd(pScrn, reg + 4) & mask) | data;
1413 nv32_wr(pScrn, reg + 4, value);
1414 nv32_wr(pScrn, reg, tmdsaddr);
1419 static bool init_zm_tmds_group(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1421 /* INIT_ZM_TMDS_GROUP opcode: 0x50 ('P') (non-canon name)
1423 * offset (8 bit): opcode
1424 * offset + 1 (8 bit): magic lookup value
1425 * offset + 2 (8 bit): count
1426 * offset + 3 (8 bit): addr 1
1427 * offset + 4 (8 bit): data 1
1430 * For each of "count" TMDS address and data pairs write "data n" to "addr n"
1431 * "magic lookup value" determines which TMDS base address register is used --
1432 * see get_tmds_index_reg()
1435 uint8_t mlv = bios->data[offset + 1];
1436 uint8_t count = bios->data[offset + 2];
1440 if (!iexec->execute)
1443 BIOSLOG(pScrn, "0x%04X: MagicLookupValue: 0x%02X, Count: 0x%02X\n",
1444 offset, mlv, count);
1446 if (!(reg = get_tmds_index_reg(pScrn, mlv)))
1449 for (i = 0; i < count; i++) {
1450 uint8_t tmdsaddr = bios->data[offset + 3 + i * 2];
1451 uint8_t tmdsdata = bios->data[offset + 4 + i * 2];
1453 nv32_wr(pScrn, reg + 4, tmdsdata);
1454 nv32_wr(pScrn, reg, tmdsaddr);
1460 static bool init_cr_idx_adr_latch(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1462 /* INIT_CR_INDEX_ADDRESS_LATCHED opcode: 0x51 ('Q')
1464 * offset (8 bit): opcode
1465 * offset + 1 (8 bit): CRTC index1
1466 * offset + 2 (8 bit): CRTC index2
1467 * offset + 3 (8 bit): baseaddr
1468 * offset + 4 (8 bit): count
1469 * offset + 5 (8 bit): data 1
1472 * For each of "count" address and data pairs, write "baseaddr + n" to
1473 * "CRTC index1" and "data n" to "CRTC index2"
1474 * Once complete, restore initial value read from "CRTC index1"
1476 uint8_t crtcindex1 = bios->data[offset + 1];
1477 uint8_t crtcindex2 = bios->data[offset + 2];
1478 uint8_t baseaddr = bios->data[offset + 3];
1479 uint8_t count = bios->data[offset + 4];
1480 uint8_t oldaddr, data;
1483 if (!iexec->execute)
1486 BIOSLOG(pScrn, "0x%04X: Index1: 0x%02X, Index2: 0x%02X, BaseAddr: 0x%02X, Count: 0x%02X\n",
1487 offset, crtcindex1, crtcindex2, baseaddr, count);
1489 oldaddr = nv_idx_port_rd(pScrn, CRTC_INDEX_COLOR, crtcindex1);
1491 for (i = 0; i < count; i++) {
1492 nv_idx_port_wr(pScrn, CRTC_INDEX_COLOR, crtcindex1, baseaddr + i);
1494 data = bios->data[offset + 5 + i];
1495 nv_idx_port_wr(pScrn, CRTC_INDEX_COLOR, crtcindex2, data);
1498 nv_idx_port_wr(pScrn, CRTC_INDEX_COLOR, crtcindex1, oldaddr);
1503 static bool init_cr(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1505 /* INIT_CR opcode: 0x52 ('R')
1507 * offset (8 bit): opcode
1508 * offset + 1 (8 bit): CRTC index
1509 * offset + 2 (8 bit): mask
1510 * offset + 3 (8 bit): data
1512 * Assign the value of at "CRTC index" ANDed with mask and ORed with data
1513 * back to "CRTC index"
1516 uint8_t crtcindex = bios->data[offset + 1];
1517 uint8_t mask = bios->data[offset + 2];
1518 uint8_t data = bios->data[offset + 3];
1521 if (!iexec->execute)
1524 BIOSLOG(pScrn, "0x%04X: Index: 0x%02X, Mask: 0x%02X, Data: 0x%02X\n",
1525 offset, crtcindex, mask, data);
1527 value = (nv_idx_port_rd(pScrn, CRTC_INDEX_COLOR, crtcindex) & mask) | data;
1528 nv_idx_port_wr(pScrn, CRTC_INDEX_COLOR, crtcindex, value);
1533 static bool init_zm_cr(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1535 /* INIT_ZM_CR opcode: 0x53 ('S')
1537 * offset (8 bit): opcode
1538 * offset + 1 (8 bit): CRTC index
1539 * offset + 2 (8 bit): value
1541 * Assign "value" to CRTC register with index "CRTC index".
1544 uint8_t crtcindex = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 1])));
1545 uint8_t data = bios->data[offset + 2];
1547 if (!iexec->execute)
1550 nv_idx_port_wr(pScrn, CRTC_INDEX_COLOR, crtcindex, data);
1555 static bool init_zm_cr_group(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1557 /* INIT_ZM_CR_GROUP opcode: 0x54 ('T')
1559 * offset (8 bit): opcode
1560 * offset + 1 (8 bit): count
1561 * offset + 2 (8 bit): CRTC index 1
1562 * offset + 3 (8 bit): value 1
1565 * For "count", assign "value n" to CRTC register with index "CRTC index n".
1568 uint8_t count = bios->data[offset + 1];
1571 if (!iexec->execute)
1574 for (i = 0; i < count; i++)
1575 init_zm_cr(pScrn, bios, offset + 2 + 2 * i - 1, iexec);
1580 static bool init_condition_time(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1582 /* INIT_CONDITION_TIME opcode: 0x56 ('V')
1584 * offset (8 bit): opcode
1585 * offset + 1 (8 bit): condition number
1586 * offset + 2 (8 bit): retries / 50
1588 * Check condition "condition number" in the condition table.
1589 * The condition table entry has 4 bytes for the address of the
1590 * register to check, 4 bytes for a mask and 4 for a test value.
1591 * If condition not met sleep for 2ms, and repeat upto "retries" times.
1592 * If still not met after retries, clear execution flag for this table.
1595 uint8_t cond = bios->data[offset + 1];
1596 uint16_t retries = bios->data[offset + 2];
1597 uint16_t condptr = bios->condition_tbl_ptr + cond * CONDITION_SIZE;
1598 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[condptr])));
1599 uint32_t mask = le32_to_cpu(*((uint32_t *)(&bios->data[condptr + 4])));
1600 uint32_t cmpval = le32_to_cpu(*((uint32_t *)(&bios->data[condptr + 8])));
1603 if (!iexec->execute)
1608 BIOSLOG(pScrn, "0x%04X: Cond: 0x%02X, Retries: 0x%02X\n", offset, cond, retries);
1610 for (; retries > 0; retries--) {
1611 data = nv32_rd(pScrn, reg) & mask;
1613 BIOSLOG(pScrn, "0x%04X: Checking if 0x%08X equals 0x%08X\n", offset, data, cmpval);
1615 if (data != cmpval) {
1616 BIOSLOG(pScrn, "0x%04X: Condition not met, sleeping for 2ms\n", offset);
1619 BIOSLOG(pScrn, "0x%04X: Condition met, continuing\n", offset);
1624 if (data != cmpval) {
1625 BIOSLOG(pScrn, "0x%04X: Condition still not met, skiping following opcodes\n", offset);
1626 iexec->execute = false;
1632 static bool init_zm_reg_sequence(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1634 /* INIT_ZM_REG_SEQUENCE opcode: 0x58 ('X')
1636 * offset (8 bit): opcode
1637 * offset + 1 (32 bit): base register
1638 * offset + 5 (8 bit): count
1639 * offset + 6 (32 bit): value 1
1642 * Starting at offset + 6 there are "count" 32 bit values.
1643 * For "count" iterations set "base register" + 4 * current_iteration
1644 * to "value current_iteration"
1647 uint32_t basereg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 1])));
1648 uint32_t count = bios->data[offset + 5];
1651 if (!iexec->execute)
1654 BIOSLOG(pScrn, "0x%04X: BaseReg: 0x%08X, Count: 0x%02X\n", offset, basereg, count);
1656 for (i = 0; i < count; i++) {
1657 uint32_t reg = basereg + i * 4;
1658 uint32_t data = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 6 + i * 4])));
1660 nv32_wr(pScrn, reg, data);
1667 static bool init_indirect_reg(ScrnInfoPtr pScrn, bios_t *bios, CARD16 offset, init_exec_t *iexec)
1669 /* INIT_INDIRECT_REG opcode: 0x5A
1671 * offset (8 bit): opcode
1672 * offset + 1 (32 bit): register
1673 * offset + 5 (16 bit): adress offset (in bios)
1675 * Lookup value at offset data in the bios and write it to reg
1677 CARD32 reg = *((CARD32 *) (&bios->data[offset + 1]));
1678 CARD16 data = le16_to_cpu(*((CARD16 *) (&bios->data[offset + 5])));
1679 CARD32 data2 = bios->data[data];
1681 if (iexec->execute) {
1682 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
1683 "0x%04X: REG: 0x%04X, DATA AT: 0x%04X, VALUE IS: 0x%08X\n",
1684 offset, reg, data, data2);
1686 if (DEBUGLEVEL >= 6) {
1688 tmpval = nv32_rd(pScrn, reg);
1689 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "0x%04X: CURRENT VALUE IS: 0x%08X\n", offset, tmpval);
1692 nv32_wr(pScrn, reg, data2);
1698 static bool init_sub_direct(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1700 /* INIT_SUB_DIRECT opcode: 0x5B ('[')
1702 * offset (8 bit): opcode
1703 * offset + 1 (16 bit): subroutine offset (in bios)
1705 * Calls a subroutine that will execute commands until INIT_DONE
1709 uint16_t sub_offset = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 1])));
1711 if (!iexec->execute)
1714 BIOSLOG(pScrn, "0x%04X: Executing subroutine at 0x%04X\n", offset, sub_offset);
1716 parse_init_table(pScrn, bios, sub_offset, iexec);
1718 BIOSLOG(pScrn, "0x%04X: End of 0x%04X subroutine\n", offset, sub_offset);
1723 static bool init_copy_nv_reg(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1725 /* INIT_COPY_NV_REG opcode: 0x5F ('_')
1727 * offset (8 bit): opcode
1728 * offset + 1 (32 bit): src reg
1729 * offset + 5 (8 bit): shift
1730 * offset + 6 (32 bit): src mask
1731 * offset + 10 (32 bit): xor
1732 * offset + 14 (32 bit): dst reg
1733 * offset + 18 (32 bit): dst mask
1735 * Shift REGVAL("src reg") right by (signed) "shift", AND result with
1736 * "src mask", then XOR with "xor". Write this OR'd with
1737 * (REGVAL("dst reg") AND'd with "dst mask") to "dst reg"
1740 uint32_t srcreg = *((uint32_t *)(&bios->data[offset + 1]));
1741 uint8_t shift = bios->data[offset + 5];
1742 uint32_t srcmask = *((uint32_t *)(&bios->data[offset + 6]));
1743 uint32_t xor = *((uint32_t *)(&bios->data[offset + 10]));
1744 uint32_t dstreg = *((uint32_t *)(&bios->data[offset + 14]));
1745 uint32_t dstmask = *((uint32_t *)(&bios->data[offset + 18]));
1746 uint32_t srcvalue, dstvalue;
1748 if (!iexec->execute)
1751 BIOSLOG(pScrn, "0x%04X: SrcReg: 0x%08X, Shift: 0x%02X, SrcMask: 0x%08X, Xor: 0x%08X, DstReg: 0x%08X, DstMask: 0x%08X\n",
1752 offset, srcreg, shift, srcmask, xor, dstreg, dstmask);
1754 srcvalue = nv32_rd(pScrn, srcreg);
1759 srcvalue <<= (0x100 - shift);
1761 srcvalue = (srcvalue & srcmask) ^ xor;
1763 dstvalue = nv32_rd(pScrn, dstreg) & dstmask;
1765 nv32_wr(pScrn, dstreg, dstvalue | srcvalue);
1770 static bool init_zm_index_io(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1772 /* INIT_ZM_INDEX_IO opcode: 0x62 ('b')
1774 * offset (8 bit): opcode
1775 * offset + 1 (16 bit): CRTC port
1776 * offset + 3 (8 bit): CRTC index
1777 * offset + 4 (8 bit): data
1779 * Write "data" to index "CRTC index" of "CRTC port"
1781 uint16_t crtcport = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 1])));
1782 uint8_t crtcindex = bios->data[offset + 3];
1783 uint8_t data = bios->data[offset + 4];
1785 if (!iexec->execute)
1788 nv_idx_port_wr(pScrn, crtcport, crtcindex, data);
1793 static bool init_compute_mem(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1795 /* INIT_COMPUTE_MEM opcode: 0x63 ('c')
1797 * offset (8 bit): opcode
1799 * This opcode is meant to set NV_PFB_CFG0 (0x100200) appropriately so
1800 * that the hardware can correctly calculate how much VRAM it has
1801 * (and subsequently report that value in 0x10020C)
1803 * The implementation of this opcode in general consists of two parts:
1804 * 1) determination of the memory bus width
1805 * 2) determination of how many of the card's RAM pads have ICs attached
1807 * 1) is done by a cunning combination of writes to offsets 0x1c and
1808 * 0x3c in the framebuffer, and seeing whether the written values are
1809 * read back correctly. This then affects bits 4-7 of NV_PFB_CFG0
1811 * 2) is done by a cunning combination of writes to an offset slightly
1812 * less than the maximum memory reported by 0x10020C, then seeing if
1813 * the test pattern can be read back. This then affects bits 12-15 of
1816 * In this context a "cunning combination" may include multiple reads
1817 * and writes to varying locations, often alternating the test pattern
1818 * and 0, doubtless to make sure buffers are filled, residual charges
1819 * on tracks are removed etc.
1821 * Unfortunately, the "cunning combination"s mentioned above, and the
1822 * changes to the bits in NV_PFB_CFG0 differ with nearly every bios
1825 * Therefore, we cheat and assume the value of NV_PFB_CFG0 with which
1826 * we started was correct, and use that instead
1829 /* no iexec->execute check by design */
1831 /* on every card I've seen, this step gets done for us earlier in the init scripts
1832 uint8_t crdata = nv_idx_port_rd(pScrn, SEQ_INDEX, 0x01);
1833 nv_idx_port_wr(pScrn, SEQ_INDEX, 0x01, crdata | 0x20);
1836 /* this also has probably been done in the scripts, but an mmio trace of
1837 * s3 resume shows nvidia doing it anyway (unlike the SEQ_INDEX write)
1839 nv32_wr(pScrn, NV_PFB_REFCTRL, NV_PFB_REFCTRL_VALID_1);
1841 /* write back the saved configuration value */
1842 nv32_wr(pScrn, NV_PFB_CFG0, saved_nv_pfb_cfg0);
1847 static bool init_reset(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1849 /* INIT_RESET opcode: 0x65 ('e')
1851 * offset (8 bit): opcode
1852 * offset + 1 (32 bit): register
1853 * offset + 5 (32 bit): value1
1854 * offset + 9 (32 bit): value2
1856 * Assign "value1" to "register", then assign "value2" to "register"
1859 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 1])));
1860 uint32_t value1 = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 5])));
1861 uint32_t value2 = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 9])));
1862 uint32_t pci_nv_19, pci_nv_20;
1864 /* no iexec->execute check by design */
1866 pci_nv_19 = nv32_rd(pScrn, NV_PBUS_PCI_NV_19);
1867 nv32_wr(pScrn, NV_PBUS_PCI_NV_19, 0);
1868 nv32_wr(pScrn, reg, value1);
1872 nv32_wr(pScrn, reg, value2);
1873 nv32_wr(pScrn, NV_PBUS_PCI_NV_19, pci_nv_19);
1875 pci_nv_20 = nv32_rd(pScrn, NV_PBUS_PCI_NV_20);
1876 pci_nv_20 &= ~NV_PBUS_PCI_NV_20_ROM_SHADOW_ENABLED; /* 0xfffffffe */
1877 nv32_wr(pScrn, NV_PBUS_PCI_NV_20, pci_nv_20);
1882 static bool init_configure_mem(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1884 /* INIT_CONFIGURE_MEM opcode: 0x66 ('f')
1886 * offset (8 bit): opcode
1888 * Equivalent to INIT_DONE on bios version 3 or greater.
1889 * For early bios versions, sets up the memory registers, using values
1890 * taken from the memory init table
1893 /* no iexec->execute check by design */
1895 uint16_t meminitoffs = bios->legacy.mem_init_tbl_ptr + MEM_INIT_SIZE * (nv_idx_port_rd(pScrn, CRTC_INDEX_COLOR, NV_VGA_CRTCX_SCRATCH4) >> 4);
1896 uint16_t seqtbloffs = bios->legacy.sdr_seq_tbl_ptr, meminitdata = meminitoffs + 6;
1899 if (bios->major_version > 2)
1902 nv_idx_port_wr(pScrn, SEQ_INDEX, 0x01, nv_idx_port_rd(pScrn, SEQ_INDEX, 0x01) | 0x20);
1904 if (bios->data[meminitoffs] & 1)
1905 seqtbloffs = bios->legacy.ddr_seq_tbl_ptr;
1907 for (reg = le32_to_cpu(*(uint32_t *)&bios->data[seqtbloffs]);
1909 reg = le32_to_cpu(*(uint32_t *)&bios->data[seqtbloffs += 4])) {
1913 data = NV_PFB_PRE_CMD_PRECHARGE;
1916 data = NV_PFB_PAD_CKE_NORMAL;
1919 data = NV_PFB_REF_CMD_REFRESH;
1922 data = le32_to_cpu(*(uint32_t *)&bios->data[meminitdata]);
1924 if (data == 0xffffffff)
1928 nv32_wr(pScrn, reg, data);
1934 static bool init_configure_clk(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1936 /* INIT_CONFIGURE_CLK opcode: 0x67 ('g')
1938 * offset (8 bit): opcode
1940 * Equivalent to INIT_DONE on bios version 3 or greater.
1941 * For early bios versions, sets up the NVClk and MClk PLLs, using
1942 * values taken from the memory init table
1945 /* no iexec->execute check by design */
1947 uint16_t meminitoffs = bios->legacy.mem_init_tbl_ptr + MEM_INIT_SIZE * (nv_idx_port_rd(pScrn, CRTC_INDEX_COLOR, NV_VGA_CRTCX_SCRATCH4) >> 4);
1950 if (bios->major_version > 2)
1953 clock = le16_to_cpu(*(uint16_t *)&bios->data[meminitoffs + 4]) * 10;
1954 setPLL(pScrn, bios, NV_RAMDAC_NVPLL, clock);
1956 clock = le16_to_cpu(*(uint16_t *)&bios->data[meminitoffs + 2]) * 10;
1957 if (bios->data[meminitoffs] & 1) /* DDR */
1959 setPLL(pScrn, bios, NV_RAMDAC_MPLL, clock);
1964 static bool init_configure_preinit(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1966 /* INIT_CONFIGURE_PREINIT opcode: 0x68 ('h')
1968 * offset (8 bit): opcode
1970 * Equivalent to INIT_DONE on bios version 3 or greater.
1971 * For early bios versions, does early init, loading ram and crystal
1972 * configuration from straps into CR3C
1975 /* no iexec->execute check by design */
1977 uint32_t straps = nv32_rd(pScrn, NV_PEXTDEV_BOOT_0);
1978 uint8_t cr3c = ((straps << 2) & 0xf0) | (straps & (1 << 6));
1980 if (bios->major_version > 2)
1983 nv_idx_port_wr(pScrn, CRTC_INDEX_COLOR, NV_VGA_CRTCX_SCRATCH4, cr3c);
1988 static bool init_io(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
1990 /* INIT_IO opcode: 0x69 ('i')
1992 * offset (8 bit): opcode
1993 * offset + 1 (16 bit): CRTC port
1994 * offset + 3 (8 bit): mask
1995 * offset + 4 (8 bit): data
1997 * Assign ((IOVAL("crtc port") & "mask") | "data") to "crtc port"
2000 uint16_t crtcport = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 1])));
2001 uint8_t mask = bios->data[offset + 3];
2002 uint8_t data = bios->data[offset + 4];
2004 if (!iexec->execute)
2007 BIOSLOG(pScrn, "0x%04X: Port: 0x%04X, Mask: 0x%02X, Data: 0x%02X\n",
2008 offset, crtcport, mask, data);
2010 nv_port_wr(pScrn, crtcport, (nv_port_rd(pScrn, crtcport) & mask) | data);
2015 static bool init_sub(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2017 /* INIT_SUB opcode: 0x6B ('k')
2019 * offset (8 bit): opcode
2020 * offset + 1 (8 bit): script number
2022 * Execute script number "script number", as a subroutine
2025 uint8_t sub = bios->data[offset + 1];
2027 if (!iexec->execute)
2030 BIOSLOG(pScrn, "0x%04X: Calling script %d\n", offset, sub);
2032 parse_init_table(pScrn, bios,
2033 le16_to_cpu(*((uint16_t *)(&bios->data[bios->init_script_tbls_ptr + sub * 2]))),
2036 BIOSLOG(pScrn, "0x%04X: End of script %d\n", offset, sub);
2041 static bool init_ram_condition(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2043 /* INIT_RAM_CONDITION opcode: 0x6D ('m')
2045 * offset (8 bit): opcode
2046 * offset + 1 (8 bit): mask
2047 * offset + 2 (8 bit): cmpval
2049 * Test if (NV_PFB_BOOT_0 & "mask") equals "cmpval".
2050 * If condition not met skip subsequent opcodes until condition is
2051 * inverted (INIT_NOT), or we hit INIT_RESUME
2054 uint8_t mask = bios->data[offset + 1];
2055 uint8_t cmpval = bios->data[offset + 2];
2058 if (!iexec->execute)
2061 data = nv32_rd(pScrn, NV_PFB_BOOT_0) & mask;
2063 BIOSLOG(pScrn, "0x%04X: Checking if 0x%08X equals 0x%08X\n", offset, data, cmpval);
2066 BIOSLOG(pScrn, "0x%04X: Condition fulfilled -- continuing to execute\n", offset);
2068 BIOSLOG(pScrn, "0x%04X: Condition not fulfilled -- skipping following commands\n", offset);
2069 iexec->execute = false;
2075 static bool init_nv_reg(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2077 /* INIT_NV_REG opcode: 0x6E ('n')
2079 * offset (8 bit): opcode
2080 * offset + 1 (32 bit): register
2081 * offset + 5 (32 bit): mask
2082 * offset + 9 (32 bit): data
2084 * Assign ((REGVAL("register") & "mask") | "data") to "register"
2087 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 1])));
2088 uint32_t mask = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 5])));
2089 uint32_t data = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 9])));
2091 if (!iexec->execute)
2094 BIOSLOG(pScrn, "0x%04X: Reg: 0x%08X, Mask: 0x%08X, Data: 0x%08X\n", offset, reg, mask, data);
2096 nv32_wr(pScrn, reg, (nv32_rd(pScrn, reg) & mask) | data);
2101 static bool init_macro(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2103 /* INIT_MACRO opcode: 0x6F ('o')
2105 * offset (8 bit): opcode
2106 * offset + 1 (8 bit): macro number
2108 * Look up macro index "macro number" in the macro index table.
2109 * The macro index table entry has 1 byte for the index in the macro table,
2110 * and 1 byte for the number of times to repeat the macro.
2111 * The macro table entry has 4 bytes for the register address and
2112 * 4 bytes for the value to write to that register
2115 uint8_t macro_index_tbl_idx = bios->data[offset + 1];
2116 uint16_t tmp = bios->macro_index_tbl_ptr + (macro_index_tbl_idx * MACRO_INDEX_SIZE);
2117 uint8_t macro_tbl_idx = bios->data[tmp];
2118 uint8_t count = bios->data[tmp + 1];
2122 if (!iexec->execute)
2125 BIOSLOG(pScrn, "0x%04X: Macro: 0x%02X, MacroTableIndex: 0x%02X, Count: 0x%02X\n",
2126 offset, macro_index_tbl_idx, macro_tbl_idx, count);
2128 for (i = 0; i < count; i++) {
2129 uint16_t macroentryptr = bios->macro_tbl_ptr + (macro_tbl_idx + i) * MACRO_SIZE;
2131 reg = le32_to_cpu(*((uint32_t *)(&bios->data[macroentryptr])));
2132 data = le32_to_cpu(*((uint32_t *)(&bios->data[macroentryptr + 4])));
2134 nv32_wr(pScrn, reg, data);
2140 static bool init_done(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2142 /* INIT_DONE opcode: 0x71 ('q')
2144 * offset (8 bit): opcode
2146 * End the current script
2149 /* mild retval abuse to stop parsing this table */
2153 static bool init_resume(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2155 /* INIT_RESUME opcode: 0x72 ('r')
2157 * offset (8 bit): opcode
2159 * End the current execute / no-execute condition
2165 iexec->execute = true;
2166 BIOSLOG(pScrn, "0x%04X: ---- Executing following commands ----\n", offset);
2172 static bool init_ram_condition2(ScrnInfoPtr pScrn, bios_t *bios, CARD16 offset, init_exec_t *iexec)
2174 /* INIT_RAM_CONDITION2 opcode: 0x73
2176 * offset (8 bit): opcode
2177 * offset + 1 (8 bit): and mask
2178 * offset + 2 (8 bit): cmpval
2180 * Test if (NV_EXTDEV_BOOT & and mask) matches cmpval
2182 NVPtr pNv = NVPTR(pScrn);
2183 CARD32 and = *((CARD32 *) (&bios->data[offset + 1]));
2184 CARD32 cmpval = *((CARD32 *) (&bios->data[offset + 5]));
2187 if (iexec->execute) {
2188 data=(nvReadEXTDEV(pNv, NV_PEXTDEV_BOOT))∧
2190 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
2191 "0x%04X: CHECKING IF REGVAL: 0x%08X equals COND: 0x%08X\n",
2192 offset, data, cmpval);
2194 if (data == cmpval) {
2195 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
2196 "0x%04X: CONDITION FULFILLED - CONTINUING TO EXECUTE\n",
2199 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "0x%04X: CONDITION IS NOT FULFILLED\n", offset);
2200 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
2201 "0x%04X: ------ SKIPPING FOLLOWING COMMANDS ------\n", offset);
2202 iexec->execute = false;
2209 static bool init_time(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2211 /* INIT_TIME opcode: 0x74 ('t')
2213 * offset (8 bit): opcode
2214 * offset + 1 (16 bit): time
2216 * Sleep for "time" microseconds.
2219 uint16_t time = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 1])));
2221 if (!iexec->execute)
2224 BIOSLOG(pScrn, "0x%04X: Sleeping for 0x%04X microseconds\n", offset, time);
2231 static bool init_condition(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2233 /* INIT_CONDITION opcode: 0x75 ('u')
2235 * offset (8 bit): opcode
2236 * offset + 1 (8 bit): condition number
2238 * Check condition "condition number" in the condition table.
2239 * The condition table entry has 4 bytes for the address of the
2240 * register to check, 4 bytes for a mask and 4 for a test value.
2241 * If condition not met skip subsequent opcodes until condition is
2242 * inverted (INIT_NOT), or we hit INIT_RESUME
2245 uint8_t cond = bios->data[offset + 1];
2246 uint16_t condptr = bios->condition_tbl_ptr + cond * CONDITION_SIZE;
2247 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[condptr])));
2248 uint32_t mask = le32_to_cpu(*((uint32_t *)(&bios->data[condptr + 4])));
2249 uint32_t cmpval = le32_to_cpu(*((uint32_t *)(&bios->data[condptr + 8])));
2252 if (!iexec->execute)
2255 BIOSLOG(pScrn, "0x%04X: Cond: 0x%02X, Reg: 0x%08X, Mask: 0x%08X, Cmpval: 0x%08X\n",
2256 offset, cond, reg, mask, cmpval);
2258 data = nv32_rd(pScrn, reg) & mask;
2260 BIOSLOG(pScrn, "0x%04X: Checking if 0x%08X equals 0x%08X\n", offset, data, cmpval);
2263 BIOSLOG(pScrn, "0x%04X: Condition fulfilled -- continuing to execute\n", offset);
2265 BIOSLOG(pScrn, "0x%04X: Condition not fulfilled -- skipping following commands\n", offset);
2266 iexec->execute = false;
2272 static bool init_index_io(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2274 /* INIT_INDEX_IO opcode: 0x78 ('x')
2276 * offset (8 bit): opcode
2277 * offset + 1 (16 bit): CRTC port
2278 * offset + 3 (8 bit): CRTC index
2279 * offset + 4 (8 bit): mask
2280 * offset + 5 (8 bit): data
2282 * Read value at index "CRTC index" on "CRTC port", AND with "mask", OR with "data", write-back
2285 uint16_t crtcport = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 1])));
2286 uint8_t crtcindex = bios->data[offset + 3];
2287 uint8_t mask = bios->data[offset + 4];
2288 uint8_t data = bios->data[offset + 5];
2291 if (!iexec->execute)
2294 BIOSLOG(pScrn, "0x%04X: Port: 0x%04X, Index: 0x%02X, Mask: 0x%02X, Data: 0x%02X\n",
2295 offset, crtcport, crtcindex, mask, data);
2297 value = (nv_idx_port_rd(pScrn, crtcport, crtcindex) & mask) | data;
2298 nv_idx_port_wr(pScrn, crtcport, crtcindex, value);
2303 static bool init_pll(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2305 /* INIT_PLL opcode: 0x79 ('y')
2307 * offset (8 bit): opcode
2308 * offset + 1 (32 bit): register
2309 * offset + 5 (16 bit): freq
2311 * Set PLL register "register" to coefficients for frequency (10kHz) "freq"
2314 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 1])));
2315 uint16_t freq = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 5])));
2317 if (!iexec->execute)
2320 BIOSLOG(pScrn, "0x%04X: Reg: 0x%08X, Freq: %d0kHz\n", offset, reg, freq);
2322 setPLL(pScrn, bios, reg, freq * 10);
2327 static bool init_zm_reg(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2329 /* INIT_ZM_REG opcode: 0x7A ('z')
2331 * offset (8 bit): opcode
2332 * offset + 1 (32 bit): register
2333 * offset + 5 (32 bit): value
2335 * Assign "value" to "register"
2338 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 1])));
2339 uint32_t value = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 5])));
2341 if (!iexec->execute)
2344 nv32_wr(pScrn, reg, value);
2349 static bool init_8e(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2351 /* INIT_8E opcode: 0x8E ('')
2353 * offset (8 bit): opcode
2355 * The purpose of this opcode is unclear (being for nv50 cards), and
2356 * the literal functionality can be seen in the code below.
2358 * A brief synopsis is that for each entry in a table pointed to by the
2359 * DCB table header, depending on the settings of various bits, various
2360 * other bits in registers 0xe100, 0xe104, and 0xe108, are set or
2364 uint16_t dcbptr = le16_to_cpu(*(uint16_t *)&bios->data[0x36]);
2365 uint16_t init8etblptr = le16_to_cpu(*(uint16_t *)&bios->data[dcbptr + 10]);
2366 uint8_t headerlen = bios->data[init8etblptr + 1];
2367 uint8_t entries = bios->data[init8etblptr + 2];
2368 uint8_t recordlen = bios->data[init8etblptr + 3];
2372 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
2373 "No Display Configuration Block pointer found\n");
2376 if (bios->data[dcbptr] != 0x40) {
2377 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
2378 "DCB table not version 4.0\n");
2381 if (!init8etblptr) {
2382 xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
2383 "Invalid pointer to INIT_8E table\n");
2387 for (i = 0; i < entries; i++) {
2388 uint32_t entry = le32_to_cpu(*(uint32_t *)&bios->data[init8etblptr + headerlen + recordlen * i]);
2389 int shift = (entry & 0x1f) * 4;
2391 uint32_t reg = 0xe104;
2394 if ((entry & 0xff00) == 0xff00)
2403 mask = ~(3 << shift);
2404 if (entry & (1 << 24))
2405 data = (entry >> 21);
2407 data = (entry >> 19);
2408 data = ((data & 3) ^ 2) << shift;
2410 BIOSLOG(pScrn, "0x%04X: Entry: 0x%08X, Reg: 0x%08X, Shift: 0x%02X, Mask: 0x%08X, Data: 0x%08X\n",
2411 offset, entry, reg, shift, mask, data);
2413 nv32_wr(pScrn, reg, (nv32_rd(pScrn, reg) & mask) | data);
2416 shift = entry & 0x1f;
2418 mask = ~(1 << 16 | 1);
2419 mask = mask << shift | mask >> (32 - shift);
2421 if ((entry & (3 << 25)) == (1 << 25))
2423 if ((entry & (3 << 25)) == (2 << 25))
2427 BIOSLOG(pScrn, "0x%04X: Entry: 0x%08X, Reg: 0x%08X, Shift: 0x%02X, Mask: 0x%08X, Data: 0x%08X\n",
2428 offset, entry, reg, shift, mask, data);
2430 nv32_wr(pScrn, reg, (nv32_rd(pScrn, reg) & mask) | data);
2436 /* hack to avoid moving the itbl_entry array before this function */
2437 int init_ram_restrict_zm_reg_group_blocklen = 0;
2439 static bool init_ram_restrict_zm_reg_group(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2441 /* INIT_RAM_RESTRICT_ZM_REG_GROUP opcode: 0x8F ('')
2443 * offset (8 bit): opcode
2444 * offset + 1 (32 bit): reg
2445 * offset + 5 (8 bit): regincrement
2446 * offset + 6 (8 bit): count
2447 * offset + 7 (32 bit): value 1,1
2450 * Use the RAMCFG strap of PEXTDEV_BOOT as an index into the table at
2451 * ram_restrict_table_ptr. The value read from here is 'n', and
2452 * "value 1,n" gets written to "reg". This repeats "count" times and on
2453 * each iteration 'm', "reg" increases by "regincrement" and
2454 * "value m,n" is used. The extent of n is limited by a number read
2455 * from the 'M' BIT table, herein called "blocklen"
2458 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 1])));
2459 uint8_t regincrement = bios->data[offset + 5];
2460 uint8_t count = bios->data[offset + 6];
2461 uint32_t strap_ramcfg, data;
2466 /* previously set by 'M' BIT table */
2467 blocklen = init_ram_restrict_zm_reg_group_blocklen;
2469 if (!iexec->execute)
2473 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
2474 "0x%04X: Zero block length - has the M table been parsed?\n", offset);
2478 strap_ramcfg = (nv32_rd(pScrn, NV_PEXTDEV_BOOT_0) >> 2) & 0xf;
2479 index = bios->data[bios->ram_restrict_tbl_ptr + strap_ramcfg];
2481 BIOSLOG(pScrn, "0x%04X: Reg: 0x%08X, RegIncrement: 0x%02X, Count: 0x%02X, StrapRamCfg: 0x%02X, Index: 0x%02X\n",
2482 offset, reg, regincrement, count, strap_ramcfg, index);
2484 for (i = 0; i < count; i++) {
2485 data = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 7 + index * 4 + blocklen * i])));
2487 nv32_wr(pScrn, reg, data);
2489 reg += regincrement;
2495 static bool init_copy_zm_reg(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2497 /* INIT_COPY_ZM_REG opcode: 0x90 ('')
2499 * offset (8 bit): opcode
2500 * offset + 1 (32 bit): src reg
2501 * offset + 5 (32 bit): dst reg
2503 * Put contents of "src reg" into "dst reg"
2506 uint32_t srcreg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 1])));
2507 uint32_t dstreg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 5])));
2509 if (!iexec->execute)
2512 nv32_wr(pScrn, dstreg, nv32_rd(pScrn, srcreg));
2517 static bool init_zm_reg_group_addr_latched(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2519 /* INIT_ZM_REG_GROUP_ADDRESS_LATCHED opcode: 0x91 ('')
2521 * offset (8 bit): opcode
2522 * offset + 1 (32 bit): dst reg
2523 * offset + 5 (8 bit): count
2524 * offset + 6 (32 bit): data 1
2527 * For each of "count" values write "data n" to "dst reg"
2530 uint32_t reg = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 1])));
2531 uint8_t count = bios->data[offset + 5];
2534 if (!iexec->execute)
2537 for (i = 0; i < count; i++) {
2538 uint32_t data = le32_to_cpu(*((uint32_t *)(&bios->data[offset + 6 + 4 * i])));
2539 nv32_wr(pScrn, reg, data);
2545 static bool init_reserved(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset, init_exec_t *iexec)
2547 /* INIT_RESERVED opcode: 0x92 ('')
2549 * offset (8 bit): opcode
2551 * Seemingly does nothing
2557 static init_tbl_entry_t itbl_entry[] = {
2558 /* command name , id , length , offset , mult , command handler */
2559 // { "INIT_PROG" , 0x31, 15 , 10 , 4 , init_prog },
2560 { "INIT_IO_RESTRICT_PROG" , 0x32, 11 , 6 , 4 , init_io_restrict_prog },
2561 { "INIT_REPEAT" , 0x33, 2 , 0 , 0 , init_repeat },
2562 { "INIT_IO_RESTRICT_PLL" , 0x34, 12 , 7 , 2 , init_io_restrict_pll },
2563 { "INIT_END_REPEAT" , 0x36, 1 , 0 , 0 , init_end_repeat },
2564 { "INIT_COPY" , 0x37, 11 , 0 , 0 , init_copy },
2565 { "INIT_NOT" , 0x38, 1 , 0 , 0 , init_not },
2566 { "INIT_IO_FLAG_CONDITION" , 0x39, 2 , 0 , 0 , init_io_flag_condition },
2567 { "INIT_INDEX_ADDRESS_LATCHED" , 0x49, 18 , 17 , 2 , init_idx_addr_latched },
2568 { "INIT_IO_RESTRICT_PLL2" , 0x4A, 11 , 6 , 4 , init_io_restrict_pll2 },
2569 { "INIT_PLL2" , 0x4B, 9 , 0 , 0 , init_pll2 },
2570 /* { "INIT_I2C_BYTE" , 0x4C, x , x , x , init_i2c_byte }, */
2571 /* { "INIT_ZM_I2C_BYTE" , 0x4D, x , x , x , init_zm_i2c_byte }, */
2572 /* { "INIT_ZM_I2C" , 0x4E, x , x , x , init_zm_i2c }, */
2573 { "INIT_TMDS" , 0x4F, 5 , 0 , 0 , init_tmds },
2574 { "INIT_ZM_TMDS_GROUP" , 0x50, 3 , 2 , 2 , init_zm_tmds_group },
2575 { "INIT_CR_INDEX_ADDRESS_LATCHED" , 0x51, 5 , 4 , 1 , init_cr_idx_adr_latch },
2576 { "INIT_CR" , 0x52, 4 , 0 , 0 , init_cr },
2577 { "INIT_ZM_CR" , 0x53, 3 , 0 , 0 , init_zm_cr },
2578 { "INIT_ZM_CR_GROUP" , 0x54, 2 , 1 , 2 , init_zm_cr_group },
2579 { "INIT_CONDITION_TIME" , 0x56, 3 , 0 , 0 , init_condition_time },
2580 { "INIT_ZM_REG_SEQUENCE" , 0x58, 6 , 5 , 4 , init_zm_reg_sequence },
2581 // { "INIT_INDIRECT_REG" , 0x5A, 7 , 0 , 0 , init_indirect_reg },
2582 { "INIT_SUB_DIRECT" , 0x5B, 3 , 0 , 0 , init_sub_direct },
2583 { "INIT_COPY_NV_REG" , 0x5F, 22 , 0 , 0 , init_copy_nv_reg },
2584 { "INIT_ZM_INDEX_IO" , 0x62, 5 , 0 , 0 , init_zm_index_io },
2585 { "INIT_COMPUTE_MEM" , 0x63, 1 , 0 , 0 , init_compute_mem },
2586 { "INIT_RESET" , 0x65, 13 , 0 , 0 , init_reset },
2587 { "INIT_CONFIGURE_MEM" , 0x66, 1 , 0 , 0 , init_configure_mem },
2588 { "INIT_CONFIGURE_CLK" , 0x67, 1 , 0 , 0 , init_configure_clk },
2589 { "INIT_CONFIGURE_PREINIT" , 0x68, 1 , 0 , 0 , init_configure_preinit },
2590 { "INIT_IO" , 0x69, 5 , 0 , 0 , init_io },
2591 { "INIT_SUB" , 0x6B, 2 , 0 , 0 , init_sub },
2592 { "INIT_RAM_CONDITION" , 0x6D, 3 , 0 , 0 , init_ram_condition },
2593 { "INIT_NV_REG" , 0x6E, 13 , 0 , 0 , init_nv_reg },
2594 { "INIT_MACRO" , 0x6F, 2 , 0 , 0 , init_macro },
2595 { "INIT_DONE" , 0x71, 1 , 0 , 0 , init_done },
2596 { "INIT_RESUME" , 0x72, 1 , 0 , 0 , init_resume },
2597 // { "INIT_RAM_CONDITION2" , 0x73, 9 , 0 , 0 , init_ram_condition2 },
2598 { "INIT_TIME" , 0x74, 3 , 0 , 0 , init_time },
2599 { "INIT_CONDITION" , 0x75, 2 , 0 , 0 , init_condition },
2600 /* { "INIT_IO_CONDITION" , 0x76, x , x , x , init_io_condition }, */
2601 { "INIT_INDEX_IO" , 0x78, 6 , 0 , 0 , init_index_io },
2602 { "INIT_PLL" , 0x79, 7 , 0 , 0 , init_pll },
2603 { "INIT_ZM_REG" , 0x7A, 9 , 0 , 0 , init_zm_reg },
2604 { "INIT_8E" , 0x8E, 1 , 0 , 0 , init_8e },
2605 /* INIT_RAM_RESTRICT_ZM_REG_GROUP's mult is loaded by M table in BIT */
2606 { "INIT_RAM_RESTRICT_ZM_REG_GROUP" , 0x8F, 7 , 6 , 0 , init_ram_restrict_zm_reg_group },
2607 { "INIT_COPY_ZM_REG" , 0x90, 9 , 0 , 0 , init_copy_zm_reg },
2608 { "INIT_ZM_REG_GROUP_ADDRESS_LATCHED" , 0x91, 6 , 5 , 4 , init_zm_reg_group_addr_latched },
2609 { "INIT_RESERVED" , 0x92, 1 , 0 , 0 , init_reserved },
2610 { 0 , 0 , 0 , 0 , 0 , 0 }
2613 static unsigned int get_init_table_entry_length(bios_t *bios, unsigned int offset, int i)
2615 /* Calculates the length of a given init table entry. */
2616 return itbl_entry[i].length + bios->data[offset + itbl_entry[i].length_offset]*itbl_entry[i].length_multiplier;
2619 static void parse_init_table(ScrnInfoPtr pScrn, bios_t *bios, unsigned int offset, init_exec_t *iexec)
2621 /* Parses all commands in a init table. */
2623 /* We start out executing all commands found in the
2624 * init table. Some op codes may change the status
2625 * of this variable to SKIP, which will cause
2626 * the following op codes to perform no operation until
2627 * the value is changed back to EXECUTE.
2633 /* Loop until INIT_DONE causes us to break out of the loop
2634 * (or until offset > bios length just in case... )
2635 * (and no more than 10000 iterations just in case... ) */
2636 while ((offset < bios->length) && (count++ < 10000)) {
2637 id = bios->data[offset];
2639 /* Find matching id in itbl_entry */
2640 for (i = 0; itbl_entry[i].name && (itbl_entry[i].id != id); i++)
2643 if (itbl_entry[i].name) {
2644 BIOSLOG(pScrn, "0x%04X: [ (0x%02X) - %s ]\n",
2645 offset, itbl_entry[i].id, itbl_entry[i].name);
2647 /* execute eventual command handler */
2648 if (itbl_entry[i].handler)
2649 if (!(*itbl_entry[i].handler)(pScrn, bios, offset, iexec))
2652 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
2653 "0x%04X: Init table command not found: 0x%02X\n", offset, id);
2657 /* Add the offset of the current command including all data
2658 * of that command. The offset will then be pointing on the
2661 offset += get_init_table_entry_length(bios, offset, i);
2665 static void parse_init_tables(ScrnInfoPtr pScrn, bios_t *bios)
2667 /* Loops and calls parse_init_table() for each present table. */
2671 init_exec_t iexec = {true, false};
2673 while ((table = le16_to_cpu(*((uint16_t *)(&bios->data[bios->init_script_tbls_ptr + i]))))) {
2674 xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
2675 "Parsing VBIOS init table %d at offset 0x%04X\n", i / 2, table);
2676 BIOSLOG(pScrn, "0x%04X: ------ Executing following commands ------\n", table);
2678 parse_init_table(pScrn, bios, table, &iexec);
2683 static void link_head_and_output(ScrnInfoPtr pScrn, struct dcb_entry *dcbent, int head)
2685 /* The BIOS scripts don't do this for us, sadly
2686 * Luckily we do know the values ;-)
2688 * head < 0 indicates we wish to force a setting with the overrideval
2689 * (for VT restore etc.)
2692 NVPtr pNv = NVPTR(pScrn);
2693 int ramdac = (dcbent->or & OUTPUT_C) >> 2;
2694 uint8_t tmds04 = 0x80;
2699 if (dcbent->type == OUTPUT_LVDS)
2702 nv_write_tmds(pNv, dcbent->or, 0, 0x04, tmds04);
2704 if (dcbent->type == OUTPUT_LVDS && pNv->VBIOS.fp.dual_link)
2705 nv_write_tmds(pNv, dcbent->or, 1, 0x04, tmds04 ^ 0x08);
2708 static uint16_t clkcmptable(bios_t *bios, uint16_t clktable, int pxclk)
2710 int compare_record_len, i = 0;
2711 uint16_t compareclk, scriptptr = 0;
2713 if (bios->major_version < 5) /* pre BIT */
2714 compare_record_len = 3;
2716 compare_record_len = 4;
2719 compareclk = le16_to_cpu(*((uint16_t *)&bios->data[clktable + compare_record_len * i]));
2720 if (pxclk >= compareclk * 10) {
2721 if (bios->major_version < 5) {
2722 uint8_t tmdssub = bios->data[clktable + 2 + compare_record_len * i];
2723 scriptptr = le16_to_cpu(*((uint16_t *)(&bios->data[bios->init_script_tbls_ptr + tmdssub * 2])));
2725 scriptptr = le16_to_cpu(*((uint16_t *)&bios->data[clktable + 2 + compare_record_len * i]));
2729 } while (compareclk);
2734 static void rundigitaloutscript(ScrnInfoPtr pScrn, uint16_t scriptptr, struct dcb_entry *dcbent, int head)
2736 bios_t *bios = &NVPTR(pScrn)->VBIOS;
2737 init_exec_t iexec = {true, false};
2739 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "0x%04X: Parsing digital output script table\n", scriptptr);
2740 nv_idx_port_wr(pScrn, CRTC_INDEX_COLOR, NV_VGA_CRTCX_OWNER,
2741 head ? NV_VGA_CRTCX_OWNER_HEADB : NV_VGA_CRTCX_OWNER_HEADA);
2742 nv_idx_port_wr(pScrn, CRTC_INDEX_COLOR, NV_VGA_CRTCX_57, 0);
2743 nv_idx_port_wr(pScrn, CRTC_INDEX_COLOR, NV_VGA_CRTCX_58, dcbent->index);
2744 parse_init_table(pScrn, bios, scriptptr, &iexec);
2746 link_head_and_output(pScrn, dcbent, head);
2749 static void call_lvds_manufacturer_script(ScrnInfoPtr pScrn, struct dcb_entry *dcbent, int head, enum LVDS_script script)
2751 NVPtr pNv = NVPTR(pScrn);
2752 bios_t *bios = &pNv->VBIOS;
2753 uint8_t sub = bios->data[bios->fp.xlated_entry + script] + (bios->fp.link_c_increment && dcbent->or & OUTPUT_C ? 1 : 0);
2754 uint16_t scriptofs = le16_to_cpu(*((uint16_t *)(&bios->data[bios->init_script_tbls_ptr + sub * 2])));
2756 if (!bios->fp.xlated_entry || !sub || !scriptofs)
2759 rundigitaloutscript(pScrn, scriptofs, dcbent, head);
2761 if (script == LVDS_PANEL_OFF)
2762 /* off-on delay in ms */
2763 nv_usleep(le16_to_cpu(*(uint16_t *)&bios->data[bios->fp.xlated_entry + 7]));
2765 /* Powerbook specific quirks */
2766 if (script == LVDS_RESET && ((pNv->Chipset & 0xffff) == 0x0179 || (pNv->Chipset & 0xffff) == 0x0329))
2767 nv_write_tmds(pNv, dcbent->or, 0, 0x02, 0x72);
2768 if ((pNv->Chipset & 0xffff) == 0x0179 || (pNv->Chipset & 0xffff) == 0x0189 || (pNv->Chipset & 0xffff) == 0x0329) {
2769 if (script == LVDS_PANEL_ON) {
2770 nv32_wr(pScrn, NV_PBUS_DEBUG_DUALHEAD_CTL, nv32_rd(pScrn, NV_PBUS_DEBUG_DUALHEAD_CTL) | (1 << 31));
2771 nv32_wr(pScrn, NV_CRTC_GPIO_EXT, nv32_rd(pScrn, NV_CRTC_GPIO_EXT) | 1);
2773 if (script == LVDS_PANEL_OFF) {
2774 nv32_wr(pScrn, NV_PBUS_DEBUG_DUALHEAD_CTL, nv32_rd(pScrn, NV_PBUS_DEBUG_DUALHEAD_CTL) & ~(1 << 31));
2775 nv32_wr(pScrn, NV_CRTC_GPIO_EXT, nv32_rd(pScrn, NV_CRTC_GPIO_EXT) & ~3);
2781 static void run_lvds_table(ScrnInfoPtr pScrn, struct dcb_entry *dcbent, int head, enum LVDS_script script, int pxclk)
2783 /* The BIT LVDS table's header has the information to setup the
2784 * necessary registers. Following the standard 4 byte header are:
2785 * A bitmask byte and a dual-link transition pxclk value for use in
2786 * selecting the init script when not using straps; 4 script pointers
2787 * for panel power, selected by output and on/off; and 8 table pointers
2788 * for panel init, the needed one determined by output, and bits in the
2789 * conf byte. These tables are similar to the TMDS tables, consisting
2790 * of a list of pxclks and script pointers.
2793 NVPtr pNv = NVPTR(pScrn);
2794 bios_t *bios = &pNv->VBIOS;
2795 unsigned int outputset = (dcbent->or == 4) ? 1 : 0;
2796 uint16_t scriptptr = 0, clktable;
2797 uint8_t clktableptr = 0;
2799 /* for now we assume version 3.0 table - g80 support will need some changes */
2804 case LVDS_BACKLIGHT_ON:
2806 scriptptr = le16_to_cpu(*(uint16_t *)&bios->data[bios->fp.lvdsmanufacturerpointer + 7 + outputset * 2]);
2808 case LVDS_BACKLIGHT_OFF:
2809 case LVDS_PANEL_OFF:
2810 scriptptr = le16_to_cpu(*(uint16_t *)&bios->data[bios->fp.lvdsmanufacturerpointer + 11 + outputset * 2]);
2813 if (dcbent->lvdsconf.use_straps_for_mode) {
2814 if (bios->fp.dual_link)
2816 if (bios->fp.BITbit1)
2819 uint8_t fallback = bios->data[bios->fp.lvdsmanufacturerpointer + 4];
2820 int fallbackcmpval = (dcbent->or == 4) ? 4 : 1;
2822 if (bios->fp.dual_link) {
2824 fallbackcmpval *= 2;
2826 if (fallbackcmpval & fallback)
2830 /* adding outputset * 8 may not be correct */
2831 clktable = le16_to_cpu(*(uint16_t *)&bios->data[bios->fp.lvdsmanufacturerpointer + 15 + clktableptr * 2 + outputset * 8]);
2833 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Pixel clock comparison table not found\n");
2836 scriptptr = clkcmptable(bios, clktable, pxclk);
2840 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "LVDS output init script not found\n");
2843 rundigitaloutscript(pScrn, scriptptr, dcbent, head);
2846 void call_lvds_script(ScrnInfoPtr pScrn, struct dcb_entry *dcbent, int head, enum LVDS_script script, int pxclk)
2848 /* LVDS operations are multiplexed in an effort to present a single API
2849 * which works with two vastly differing underlying structures.
2850 * This acts as the demux
2853 bios_t *bios = &NVPTR(pScrn)->VBIOS;
2854 uint8_t lvds_ver = bios->data[bios->fp.lvdsmanufacturerpointer];
2855 uint32_t sel_clk_binding;
2856 static int last_invoc = 0;
2858 if (last_invoc == (script << 1 | head) || !lvds_ver)
2861 if (script == LVDS_PANEL_ON && bios->fp.reset_after_pclk_change)
2862 call_lvds_script(pScrn, dcbent, head, LVDS_RESET, pxclk);
2863 if (script == LVDS_RESET && bios->fp.power_off_for_reset)
2864 call_lvds_script(pScrn, dcbent, head, LVDS_PANEL_OFF, pxclk);
2866 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Calling LVDS script %d:\n", script);
2868 /* don't let script change pll->head binding */
2869 sel_clk_binding = nv32_rd(pScrn, NV_RAMDAC_SEL_CLK) & 0x50000;
2871 if (lvds_ver < 0x30)
2872 call_lvds_manufacturer_script(pScrn, dcbent, head, script);
2874 run_lvds_table(pScrn, dcbent, head, script, pxclk);
2876 last_invoc = (script << 1 | head);
2878 nv32_wr(pScrn, NV_RAMDAC_SEL_CLK, (nv32_rd(pScrn, NV_RAMDAC_SEL_CLK) & ~0x50000) | sel_clk_binding);
2879 /* some scripts set a value in NV_PBUS_POWERCTRL_2 and break video overlay */
2880 nv32_wr(pScrn, NV_PBUS_POWERCTRL_2, 0);
2884 uint16_t fptablepointer;
2885 uint16_t fpxlatetableptr;
2889 struct lvdstableheader {
2890 uint8_t lvds_ver, headerlen, recordlen;
2893 static void parse_lvds_manufacturer_table_header(ScrnInfoPtr pScrn, bios_t *bios, struct lvdstableheader *lth)
2895 /* BMP version (0xa) LVDS table has a simple header of version and
2896 * record length. The BIT LVDS table has the typical BIT table header:
2897 * version byte, header length byte, record length byte, and a byte for
2898 * the maximum number of records that can be held in the table */
2900 uint8_t lvds_ver, headerlen, recordlen;
2902 memset(lth, 0, sizeof(struct lvdstableheader));
2904 if (bios->fp.lvdsmanufacturerpointer == 0x0) {
2905 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
2906 "Pointer to LVDS manufacturer table invalid\n");
2910 lvds_ver = bios->data[bios->fp.lvdsmanufacturerpointer];
2913 case 0x0a: /* pre NV40 */
2915 recordlen = bios->data[bios->fp.lvdsmanufacturerpointer + 1];
2917 case 0x30: /* NV4x */
2918 headerlen = bios->data[bios->fp.lvdsmanufacturerpointer + 1];
2919 if (headerlen < 0x1f) {
2920 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
2921 "LVDS table header not understood\n");
2924 recordlen = bios->data[bios->fp.lvdsmanufacturerpointer + 2];
2926 case 0x40: /* G80/G90 */
2927 headerlen = bios->data[bios->fp.lvdsmanufacturerpointer + 1];
2928 if (headerlen < 0x7) {
2929 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
2930 "LVDS table header not understood\n");
2933 recordlen = bios->data[bios->fp.lvdsmanufacturerpointer + 2];
2936 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
2937 "LVDS table revision %d.%d not currently supported\n",
2938 lvds_ver >> 4, lvds_ver & 0xf);
2942 lth->lvds_ver = lvds_ver;
2943 lth->headerlen = headerlen;
2944 lth->recordlen = recordlen;
2947 static void parse_fp_mode_table(ScrnInfoPtr pScrn, bios_t *bios, struct fppointers *fpp)
2950 uint8_t fptable_ver, headerlen = 0, recordlen, fpentries = 0xf, fpindex;
2952 struct lvdstableheader lth;
2954 DisplayModePtr mode;
2956 if (fpp->fptablepointer == 0x0) {
2957 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
2958 "Pointer to flat panel table invalid\n");
2962 fptable = &bios->data[fpp->fptablepointer];
2963 fptable_ver = fptable[0];
2965 switch (fptable_ver) {
2966 /* BMP version 0x5.0x11 BIOSen have version 1 like tables, but no version field,
2967 * and miss one of the spread spectrum/PWM bytes.
2968 * This could affect early GF2Go parts (not seen any appropriate ROMs though).
2969 * Here we assume that a version of 0x05 matches this case (combining with a
2970 * BMP version check would be better), as the common case for the panel type
2971 * field is 0x0005, and that is in fact what we are reading the first byte of. */
2972 case 0x05: /* some NV10, 11, 15, 16 */
2976 case 0x10: /* some NV15/16, and NV11+ */
2980 case 0x20: /* NV40+ */
2981 headerlen = fptable[1];
2982 recordlen = fptable[2];
2983 fpentries = fptable[3];
2984 /* fptable[4] is the minimum RAMDAC_FP_HCRTC->RAMDAC_FP_HSYNC_START gap */
2985 bios->digital_min_front_porch = fptable[4];
2989 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
2990 "FP table revision %d.%d not currently supported\n",
2991 fptable_ver >> 4, fptable_ver & 0xf);
2995 /* non mobile only needs to set digital_min_front_porch */
2996 if (!(bios->feature_byte & FEATURE_MOBILE))
2999 parse_lvds_manufacturer_table_header(pScrn, bios, <h);
3001 switch (lth.lvds_ver) {
3003 /* make sure to match the 0xff strapping check below */
3004 if ((bios->fp.strapping & 0xf) == 0xf)
3005 bios->data[fpp->fpxlatetableptr + 0xf] = 0xf;
3009 fpp->fpxlatetableptr = bios->fp.lvdsmanufacturerpointer + lth.headerlen + 1;
3010 fpp->xlatwidth = lth.recordlen;
3012 if (fpp->fpxlatetableptr == 0x0) {
3013 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
3014 "Pointer to flat panel xlat table invalid\n");
3018 /* Query all modes and find one with a matching clock. */
3019 /* Note that this only serves as a backup solution if ddc fails. */
3020 if (lth.lvds_ver == 0x40) {
3021 uint32_t clock, needed_clock;
3022 int i, index = 0xF, matches = 0;
3023 needed_clock = nv32_rd(pScrn, 0x00616404) & 0xFFFFF;
3024 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "LVDS clock seems to be %d KHz.\n", needed_clock);
3026 for (i = 0; i < fpentries; i++) {
3027 modeofs = headerlen + recordlen * i;
3028 clock = le16_to_cpu(*(uint16_t *)&fptable[modeofs]) * 10;
3029 if (clock == needed_clock) {
3036 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Found a mode with matching clock\n");
3038 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Found %d modes, this is not useful\n", matches);
3043 fpindex = bios->data[fpp->fpxlatetableptr + index * fpp->xlatwidth];
3044 bios->fp.strapping = ((fpindex & 0xF) << 4) | (fpindex & 0xF);
3046 fpindex = bios->data[fpp->fpxlatetableptr + bios->fp.strapping * fpp->xlatwidth];
3047 bios->fp.strapping |= fpindex << 4;
3050 if (fpindex > fpentries) {
3051 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
3052 "Bad flat panel table index\n");
3056 /* reserved values - means that ddc or hard coded edid should be used */
3057 if (bios->fp.strapping == 0xff) {
3058 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Ignoring FP table\n");
3062 if (!(mode = xcalloc(1, sizeof(DisplayModeRec))))
3065 modeofs = headerlen + recordlen * fpindex + ofs;
3066 mode->Clock = le16_to_cpu(*(uint16_t *)&fptable[modeofs]) * 10;
3067 mode->HDisplay = le16_to_cpu(*(uint16_t *)&fptable[modeofs + 4] + 1);
3068 mode->HSyncStart = le16_to_cpu(*(uint16_t *)&fptable[modeofs + 10] + 1);
3069 mode->HSyncEnd = le16_to_cpu(*(uint16_t *)&fptable[modeofs + 12] + 1);
3070 mode->HTotal = le16_to_cpu(*(uint16_t *)&fptable[modeofs + 14] + 1);
3071 mode->VDisplay = le16_to_cpu(*(uint16_t *)&fptable[modeofs + 18] + 1);
3072 mode->VSyncStart = le16_to_cpu(*(uint16_t *)&fptable[modeofs + 24] + 1);
3073 mode->VSyncEnd = le16_to_cpu(*(uint16_t *)&fptable[modeofs + 26] + 1);
3074 mode->VTotal = le16_to_cpu(*(uint16_t *)&fptable[modeofs + 28] + 1);
3075 mode->Flags |= (fptable[modeofs + 30] & 0x10) ? V_PHSYNC : V_NHSYNC;
3076 mode->Flags |= (fptable[modeofs + 30] & 0x1) ? V_PVSYNC : V_NVSYNC;
3079 * bytes 1-2 are "panel type", including bits on whether Colour/mono, single/dual link, and type (TFT etc.)
3080 * bytes 3-6 are bits per colour in RGBX
3083 * 13-14 is HValid Start
3084 * 15-16 is HValid End
3085 * bytes 38-39 relate to spread spectrum settings
3086 * bytes 40-43 are something to do with PWM */
3088 mode->status = MODE_OK;
3089 mode->type = M_T_DRIVER | M_T_PREFERRED;
3090 xf86SetModeDefaultName(mode);
3092 // if (XF86_CRTC_CONFIG_PTR(pScrn)->debug_modes) {
3093 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
3094 "Found flat panel mode in BIOS tables:\n");
3095 xf86PrintModeline(pScrn->scrnIndex, mode);
3098 bios->fp.native_mode = mode;
3101 void parse_lvds_manufacturer_table(ScrnInfoPtr pScrn, bios_t *bios, int pxclk)
3103 /* The LVDS table header is (mostly) described in
3104 * parse_lvds_manufacturer_table_header(): the BIT header additionally
3105 * contains the dual-link transition pxclk (in 10s kHz), at byte 5 - if
3106 * straps are not being used for the panel, this specifies the frequency
3107 * at which modes should be set up in the dual link style.
3109 * Following the header, the BMP (ver 0xa) table has several records,
3110 * indexed by a seperate xlat table, indexed in turn by the fp strap in
3111 * EXTDEV_BOOT. Each record had a config byte, followed by 6 script
3112 * numbers for use by INIT_SUB which controlled panel init and power,
3113 * and finally a dword of ms to sleep between power off and on
3116 * In the BIT versions, the table following the header serves as an
3117 * integrated config and xlat table: the records in the table are
3118 * indexed by the FP strap nibble in EXTDEV_BOOT, and each record has
3119 * two bytes - the first as a config byte, the second for indexing the
3120 * fp mode table pointed to by the BIT 'D' table
3122 * Due to the stage at which DDC is used in X's DDX design, the EDID res
3123 * for a panel isn't known at init, so the tests against the pixel clock
3124 * in the EDID case for selection of the correct table entry and setting
3125 * of the dual link flag cannot be done until later - this function may
3126 * be called at runtime with a non-zero pxclk argument to perform these
3130 unsigned int lvdsmanufacturerindex = 0;
3131 struct lvdstableheader lth;
3134 parse_lvds_manufacturer_table_header(pScrn, bios, <h);
3136 switch (lth.lvds_ver) {
3137 case 0: /* header parsing failed */
3139 case 0x0a: /* pre NV40 */
3140 lvdsmanufacturerindex = bios->data[bios->fp.fpxlatemanufacturertableptr + (bios->fp.strapping & 0xf)];
3142 /* we're done if this isn't the EDID panel case */
3143 if (pxclk == 0 || (bios->fp.strapping & 0xf) != 0xf)
3146 /* change in behaviour guessed at nv30; see datapoints below */
3147 if (bios->chip_version < 0x30) {
3148 /* nv17 behaviour */
3149 lvdsmanufacturerindex = bios->fp.if_is_24bit ? 2 : 0;
3150 if (pxclk >= bios->fp.duallink_transition_clk)
3151 lvdsmanufacturerindex++;
3153 /* nv31, nv34 behaviour */
3154 lvdsmanufacturerindex = 0;
3155 if (pxclk >= bios->fp.duallink_transition_clk)
3156 lvdsmanufacturerindex = 2;
3157 if (pxclk >= 140000)
3158 lvdsmanufacturerindex = 3;
3161 /* nvidia set the high nibble of (cr57=f, cr58) to
3162 * lvdsmanufacturerindex in this case; we don't */
3164 case 0x30: /* NV4x */
3165 lvdsmanufacturerindex = bios->fp.strapping & 0xf;
3167 case 0x40: /* G80/G90 */
3168 lvdsmanufacturerindex = bios->fp.strapping & 0xf;
3171 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
3172 "LVDS table revision not currently supported\n");
3176 lvdsofs = bios->fp.xlated_entry = bios->fp.lvdsmanufacturerpointer + lth.headerlen + lth.recordlen * lvdsmanufacturerindex;
3177 switch (lth.lvds_ver) {
3179 bios->fp.power_off_for_reset = bios->data[lvdsofs] & 1;
3180 bios->fp.reset_after_pclk_change = bios->data[lvdsofs] & 2;
3181 bios->fp.dual_link = bios->data[lvdsofs] & 4;
3182 bios->fp.link_c_increment = bios->data[lvdsofs] & 8;
3183 bios->fp.if_is_24bit = bios->data[lvdsofs] & 16;
3186 /* My money would be on there being a 24 bit interface bit in this table,
3187 * but I have no example of a laptop bios with a 24 bit panel to confirm that.
3188 * Hence we shout loudly if any bit other than bit 0 is set (I've not even
3191 if (bios->data[lvdsofs] > 1)
3192 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
3193 "You have a very unusual laptop display; please report it\n");
3194 /* no sign of the "power off for reset" or "reset for panel on" bits, but it's safer to assume we should */
3195 bios->fp.power_off_for_reset = true;
3196 bios->fp.reset_after_pclk_change = true;
3197 bios->fp.dual_link = bios->data[lvdsofs] & 1;
3198 bios->fp.BITbit1 = bios->data[lvdsofs] & 2;
3199 bios->fp.duallink_transition_clk = le16_to_cpu(*(uint16_t *)&bios->data[bios->fp.lvdsmanufacturerpointer + 5]) * 10;
3202 /* fairly sure, but not 100% */
3203 bios->fp.dual_link = bios->data[lvdsofs] & 1;
3204 bios->fp.duallink_transition_clk = le16_to_cpu(*(uint16_t *)&bios->data[bios->fp.lvdsmanufacturerpointer + 5]) * 10;
3208 /* set dual_link flag for EDID case */
3209 if ((bios->fp.strapping & 0xf) == 0xf && pxclk) {
3210 if (pxclk >= bios->fp.duallink_transition_clk)
3211 bios->fp.dual_link = true;
3213 bios->fp.dual_link = false;
3217 void run_tmds_table(ScrnInfoPtr pScrn, struct dcb_entry *dcbent, int head, int pxclk)
3219 /* the pxclk parameter is in kHz
3221 * This runs the TMDS regs setting code found on BIT bios cards
3223 * For ffs(or) == 1 use the first table, for ffs(or) == 2 and
3224 * ffs(or) == 3, use the second.
3227 NVPtr pNv = NVPTR(pScrn);
3228 bios_t *bios = &pNv->VBIOS;
3229 uint16_t clktable = 0, scriptptr;
3230 uint32_t sel_clk_binding;
3232 if (dcbent->location != LOC_ON_CHIP)
3235 switch (ffs(dcbent->or)) {
3237 clktable = bios->tmds.output0_script_ptr;
3241 clktable = bios->tmds.output1_script_ptr;
3246 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Pixel clock comparison table not found\n");
3250 scriptptr = clkcmptable(bios, clktable, pxclk);
3253 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "TMDS output init script not found\n");
3257 /* don't let script change pll->head binding */
3258 sel_clk_binding = nv32_rd(pScrn, NV_RAMDAC_SEL_CLK) & 0x50000;
3259 rundigitaloutscript(pScrn, scriptptr, dcbent, head);
3260 nv32_wr(pScrn, NV_RAMDAC_SEL_CLK, (nv32_rd(pScrn, NV_RAMDAC_SEL_CLK) & ~0x50000) | sel_clk_binding);
3263 static int get_fp_strap(ScrnInfoPtr pScrn, bios_t *bios)
3265 /* the fp strap is normally dictated by the "User Strap" in
3266 * PEXTDEV_BOOT_0[20:16], but on BMP cards when bit 2 of the
3267 * Internal_Flags struct at 0x48 is set, the user strap gets overriden
3268 * by the PCI subsystem ID during POST, but not before the previous user
3269 * strap has been committed to CR58 for CR57=0xf on head A, which may be
3270 * read and used instead
3273 /* Now comes the G80/G90 story, i've only got one hint.
3274 * I can read back the clock freq from register 0x00616404.
3275 * So for the moment just write 0xF here.
3278 if (bios->chip_version >= 0x80)
3281 if (bios->major_version < 5 && bios->data[0x48] & 0x4)
3282 return (NVReadVgaCrtc5758(NVPTR(pScrn), 0, 0xf) & 0xf);
3284 return ((nv32_rd(pScrn, NV_PEXTDEV_BOOT_0) >> 16) & 0xf);
3287 static void parse_bios_version(ScrnInfoPtr pScrn, bios_t *bios, uint16_t offset)
3289 /* offset + 0 (8 bits): Micro version
3290 * offset + 1 (8 bits): Minor version
3291 * offset + 2 (8 bits): Chip version
3292 * offset + 3 (8 bits): Major version
3295 bios->major_version = bios->data[offset + 3];
3296 bios->chip_version = bios->data[offset + 2];
3297 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Bios version %02x.%02x.%02x.%02x\n",
3298 bios->data[offset + 3], bios->data[offset + 2],
3299 bios->data[offset + 1], bios->data[offset]);
3302 bool get_pll_limits(ScrnInfoPtr pScrn, uint32_t limit_match, struct pll_lims *pll_lim)
3306 * Version 0x10: NV31
3307 * One byte header (version), one record of 24 bytes
3308 * Version 0x11: NV36 - Not implemented
3309 * Seems to have same record style as 0x10, but 3 records rather than 1
3310 * Version 0x20: Found on Geforce 6 cards
3311 * Trivial 4 byte BIT header. 31 (0x1f) byte record length
3312 * Version 0x21: Found on Geforce 7, 8 and some Geforce 6 cards
3313 * 5 byte header, fifth byte of unknown purpose. 35 (0x23) byte record
3314 * length in general, some (integrated) have an extra configuration byte
3317 NVPtr pNv = NVPTR(pScrn);
3318 bios_t *bios = &pNv->VBIOS;
3319 uint8_t pll_lim_ver = 0, headerlen = 0, recordlen = 0, entries = 0;
3321 uint32_t crystal_strap_mask, crystal_straps;
3323 if (!bios->pll_limit_tbl_ptr) {
3324 if (bios->chip_version >= 0x40 || bios->chip_version == 0x31 || bios->chip_version == 0x36) {
3325 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Pointer to PLL limits table invalid\n");
3329 pll_lim_ver = bios->data[bios->pll_limit_tbl_ptr];
3331 crystal_strap_mask = 1 << 6;
3332 /* open coded pNv->twoHeads test */
3333 if (bios->chip_version > 0x10 && bios->chip_version != 0x15 &&
3334 bios->chip_version != 0x1a && bios->chip_version != 0x20)
3335 crystal_strap_mask |= 1 << 22;
3336 crystal_straps = nvReadEXTDEV(pNv, NV_PEXTDEV_BOOT_0) & crystal_strap_mask;
3338 switch (pll_lim_ver) {
3339 /* we use version 0 to indicate a pre limit table bios (single stage pll)
3340 * and load the hard coded limits instead */
3344 case 0x11: /* strictly v0x11 has 3 entries, but the last two don't seem to get used */
3352 headerlen = bios->data[bios->pll_limit_tbl_ptr + 1];
3353 recordlen = bios->data[bios->pll_limit_tbl_ptr + 2];
3354 entries = bios->data[bios->pll_limit_tbl_ptr + 3];
3357 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
3358 "PLL limits table revision 0x%X not currently supported\n", pll_lim_ver);
3362 /* initialize all members to zero */
3363 memset(pll_lim, 0, sizeof(struct pll_lims));
3365 if (pll_lim_ver == 0x10 || pll_lim_ver == 0x11) {
3366 uint16_t plloffs = bios->pll_limit_tbl_ptr + headerlen + recordlen * pllindex;
3368 pll_lim->vco1.minfreq = le32_to_cpu(*((uint32_t *)(&bios->data[plloffs])));
3369 pll_lim->vco1.maxfreq = le32_to_cpu(*((uint32_t *)(&bios->data[plloffs + 4])));
3370 pll_lim->vco2.minfreq = le32_to_cpu(*((uint32_t *)(&bios->data[plloffs + 8])));
3371 pll_lim->vco2.maxfreq = le32_to_cpu(*((uint32_t *)(&bios->data[plloffs + 12])));
3372 pll_lim->vco1.min_inputfreq = le32_to_cpu(*((uint32_t *)(&bios->data[plloffs + 16])));
3373 pll_lim->vco2.min_inputfreq = le32_to_cpu(*((uint32_t *)(&bios->data[plloffs + 20])));
3374 pll_lim->vco1.max_inputfreq = pll_lim->vco2.max_inputfreq = INT_MAX;
3376 /* these values taken from nv30/31/36 */
3377 pll_lim->vco1.min_n = 0x1;
3378 if (bios->chip_version == 0x36)
3379 pll_lim->vco1.min_n = 0x5;
3380 pll_lim->vco1.max_n = 0xff;
3381 pll_lim->vco1.min_m = 0x1;
3382 pll_lim->vco1.max_m = 0xd;
3383 pll_lim->vco2.min_n = 0x4;
3384 /* on nv30, 31, 36 (i.e. all cards with two stage PLLs with this
3385 * table version (apart from nv35)), N2 is compared to
3386 * maxN2 (0x46) and 10 * maxM2 (0x4), so set maxN2 to 0x28 and
3389 pll_lim->vco2.max_n = 0x28;
3390 if (bios->chip_version == 0x30 || bios->chip_version == 0x35)
3391 /* only 5 bits available for N2 on nv30/35 */
3392 pll_lim->vco2.max_n = 0x1f;
3393 pll_lim->vco2.min_m = 0x1;
3394 pll_lim->vco2.max_m = 0x4;
3395 } else if (pll_lim_ver) { /* ver 0x20, 0x21 */
3396 uint16_t plloffs = bios->pll_limit_tbl_ptr + headerlen;
3397 uint32_t reg = 0; /* default match */
3400 /* first entry is default match, if nothing better. warn if reg field nonzero */
3401 if (le32_to_cpu(*((uint32_t *)&bios->data[plloffs])))
3402 xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
3403 "Default PLL limit entry has non-zero register field\n");
3405 if (limit_match > MAX_PLL_TYPES)
3406 /* we've been passed a reg as the match */
3408 else /* limit match is a pll type */
3409 for (i = 1; i < entries && !reg; i++) {
3410 uint32_t cmpreg = le32_to_cpu(*((uint32_t *)(&bios->data[plloffs + recordlen * i])));
3412 if (limit_match == NVPLL && (cmpreg == NV_RAMDAC_NVPLL || cmpreg == 0x4000))
3414 if (limit_match == MPLL && (cmpreg == NV_RAMDAC_MPLL || cmpreg == 0x4020))
3416 if (limit_match == VPLL1 && (cmpreg == NV_RAMDAC_VPLL || cmpreg == 0x4010))
3418 if (limit_match == VPLL2 && (cmpreg == NV_RAMDAC_VPLL2 || cmpreg == 0x4018))
3422 for (i = 1; i < entries; i++)
3423 if (le32_to_cpu(*((uint32_t *)&bios->data[plloffs + recordlen * i])) == reg) {
3428 plloffs += recordlen * pllindex;
3430 BIOSLOG(pScrn, "Loading PLL limits for reg 0x%08x\n", pllindex ? reg : 0);
3432 /* frequencies are stored in tables in MHz, kHz are more useful, so we convert */
3434 /* What output frequencies can each VCO generate? */
3435 pll_lim->vco1.minfreq = le16_to_cpu(*((uint16_t *)(&bios->data[plloffs + 4]))) * 1000;
3436 pll_lim->vco1.maxfreq = le16_to_cpu(*((uint16_t *)(&bios->data[plloffs + 6]))) * 1000;
3437 pll_lim->vco2.minfreq = le16_to_cpu(*((uint16_t *)(&bios->data[plloffs + 8]))) * 1000;
3438 pll_lim->vco2.maxfreq = le16_to_cpu(*((uint16_t *)(&bios->data[plloffs + 10]))) * 1000;
3440 /* What input frequencies do they accept (past the m-divider)? */
3441 pll_lim->vco1.min_inputfreq = le16_to_cpu(*((uint16_t *)(&bios->data[plloffs + 12]))) * 1000;
3442 pll_lim->vco2.min_inputfreq = le16_to_cpu(*((uint16_t *)(&bios->data[plloffs + 14]))) * 1000;
3443 pll_lim->vco1.max_inputfreq = le16_to_cpu(*((uint16_t *)(&bios->data[plloffs + 16]))) * 1000;
3444 pll_lim->vco2.max_inputfreq = le16_to_cpu(*((uint16_t *)(&bios->data[plloffs + 18]))) * 1000;
3446 /* What values are accepted as multiplier and divider? */
3447 pll_lim->vco1.min_n = bios->data[plloffs + 20];
3448 pll_lim->vco1.max_n = bios->data[plloffs + 21];
3449 pll_lim->vco1.min_m = bios->data[plloffs + 22];
3450 pll_lim->vco1.max_m = bios->data[plloffs + 23];
3451 pll_lim->vco2.min_n = bios->data[plloffs + 24];
3452 pll_lim->vco2.max_n = bios->data[plloffs + 25];
3453 pll_lim->vco2.min_m = bios->data[plloffs + 26];
3454 pll_lim->vco2.max_m = bios->data[plloffs + 27];
3456 pll_lim->unk1c = bios->data[plloffs + 28];
3457 pll_lim->max_log2p_bias = bios->data[plloffs + 29];
3458 pll_lim->log2p_bias = bios->data[plloffs + 30];
3460 if (recordlen > 0x22)
3461 pll_lim->refclk = le32_to_cpu(*((uint32_t *)&bios->data[plloffs + 31]));
3463 if (recordlen > 0x23)
3464 if (bios->data[plloffs + 35])
3465 xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
3466 "Bits set in PLL configuration byte (%x)\n", bios->data[plloffs + 35]);
3468 /* C51 special not seen elsewhere */
3469 if (bios->chip_version == 0x51 && !pll_lim->refclk) {
3470 uint32_t sel_clk = nv32_rd(pScrn, NV_RAMDAC_SEL_CLK);
3472 if (((limit_match == NV_RAMDAC_VPLL || limit_match == VPLL1) && sel_clk & 0x20) ||
3473 ((limit_match == NV_RAMDAC_VPLL2 || limit_match == VPLL2) && sel_clk & 0x80)) {
3474 if (nv_idx_port_rd(pScrn, CRTC_INDEX_COLOR, NV_VGA_CRTCX_REVISION) < 0xa3)
3475 pll_lim->refclk = 200000;
3477 pll_lim->refclk = 25000;
3482 /* By now any valid limit table ought to have set a max frequency for
3483 * vco1, so if it's zero it's either a pre limit table bios, or one
3484 * with an empty limit table (seen on nv18)
3486 if (!pll_lim->vco1.maxfreq) {
3487 pll_lim->vco1.minfreq = bios->fminvco;
3488 pll_lim->vco1.maxfreq = bios->fmaxvco;
3489 pll_lim->vco1.min_inputfreq = 0;
3490 pll_lim->vco1.max_inputfreq = INT_MAX;
3491 pll_lim->vco1.min_n = 0x1;
3492 pll_lim->vco1.max_n = 0xff;
3493 pll_lim->vco1.min_m = 0x1;
3494 if (crystal_straps == 0) {
3495 /* nv05 does this, nv11 doesn't, nv10 unknown */
3496 if (bios->chip_version < 0x11)
3497 pll_lim->vco1.min_m = 0x7;
3498 pll_lim->vco1.max_m = 0xd;
3500 if (bios->chip_version < 0x11)
3501 pll_lim->vco1.min_m = 0x8;
3502 pll_lim->vco1.max_m = 0xe;
3506 if (!pll_lim->refclk)
3507 switch (crystal_straps) {
3509 pll_lim->refclk = 13500;
3512 pll_lim->refclk = 14318;
3515 pll_lim->refclk = 27000;
3517 case (1 << 22 | 1 << 6):
3518 pll_lim->refclk = 25000;
3522 #if 0 /* for easy debugging */
3523 ErrorF("pll.vco1.minfreq: %d\n", pll_lim->vco1.minfreq);
3524 ErrorF("pll.vco1.maxfreq: %d\n", pll_lim->vco1.maxfreq);
3525 ErrorF("pll.vco2.minfreq: %d\n", pll_lim->vco2.minfreq);
3526 ErrorF("pll.vco2.maxfreq: %d\n", pll_lim->vco2.maxfreq);
3528 ErrorF("pll.vco1.min_inputfreq: %d\n", pll_lim->vco1.min_inputfreq);
3529 ErrorF("pll.vco1.max_inputfreq: %d\n", pll_lim->vco1.max_inputfreq);
3530 ErrorF("pll.vco2.min_inputfreq: %d\n", pll_lim->vco2.min_inputfreq);
3531 ErrorF("pll.vco2.max_inputfreq: %d\n", pll_lim->vco2.max_inputfreq);
3533 ErrorF("pll.vco1.min_n: %d\n", pll_lim->vco1.min_n);
3534 ErrorF("pll.vco1.max_n: %d\n", pll_lim->vco1.max_n);
3535 ErrorF("pll.vco1.min_m: %d\n", pll_lim->vco1.min_m);
3536 ErrorF("pll.vco1.max_m: %d\n", pll_lim->vco1.max_m);
3537 ErrorF("pll.vco2.min_n: %d\n", pll_lim->vco2.min_n);
3538 ErrorF("pll.vco2.max_n: %d\n", pll_lim->vco2.max_n);
3539 ErrorF("pll.vco2.min_m: %d\n", pll_lim->vco2.min_m);
3540 ErrorF("pll.vco2.max_m: %d\n", pll_lim->vco2.max_m);
3542 ErrorF("pll.unk1c: %d\n", pll_lim->unk1c);
3543 ErrorF("pll.max_log2p_bias: %d\n", pll_lim->max_log2p_bias);
3544 ErrorF("pll.log2p_bias: %d\n", pll_lim->log2p_bias);
3546 ErrorF("pll.refclk: %d\n", pll_lim->refclk);
3552 static int parse_bit_C_tbl_entry(ScrnInfoPtr pScrn, bios_t *bios, bit_entry_t *bitentry)
3554 /* offset + 8 (16 bits): PLL limits table pointer
3556 * There's more in here, but that's unknown.
3559 if (bitentry->length < 10) {
3560 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Do not understand BIT C table\n");
3564 bios->pll_limit_tbl_ptr = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset + 8])));
3569 static int parse_bit_display_tbl_entry(ScrnInfoPtr pScrn, bios_t *bios, bit_entry_t *bitentry)
3571 /* Parses the flat panel table segment that the bit entry points to.
3572 * Starting at bitentry->offset:
3574 * offset + 0 (16 bits): ??? table pointer - seems to have 18 byte records beginning with a freq
3575 * offset + 2 (16 bits): mode table pointer
3578 struct fppointers fpp;
3580 if (bitentry->length != 4) {
3581 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Do not understand BIT display table\n");
3585 memset(&fpp, 0, sizeof(struct fppointers));
3586 fpp.fptablepointer = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset + 2])));
3588 parse_fp_mode_table(pScrn, bios, &fpp);
3593 static unsigned int parse_bit_init_tbl_entry(ScrnInfoPtr pScrn, bios_t *bios, bit_entry_t *bitentry)
3595 /* Parses the init table segment that the bit entry points to.
3596 * Starting at bitentry->offset:
3598 * offset + 0 (16 bits): init script tables pointer
3599 * offset + 2 (16 bits): macro index table pointer
3600 * offset + 4 (16 bits): macro table pointer
3601 * offset + 6 (16 bits): condition table pointer
3602 * offset + 8 (16 bits): io condition table pointer
3603 * offset + 10 (16 bits): io flag condition table pointer
3604 * offset + 12 (16 bits): init function table pointer
3608 if (bitentry->length < 14) {
3609 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Do not understand init table\n");
3613 bios->init_script_tbls_ptr = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset])));
3614 bios->macro_index_tbl_ptr = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset + 2])));
3615 bios->macro_tbl_ptr = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset + 4])));
3616 bios->condition_tbl_ptr = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset + 6])));
3617 bios->io_condition_tbl_ptr = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset + 8])));
3618 bios->io_flag_condition_tbl_ptr = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset + 10])));
3619 bios->init_function_tbl_ptr = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset + 12])));
3624 static int parse_bit_i_tbl_entry(ScrnInfoPtr pScrn, bios_t *bios, bit_entry_t *bitentry)
3626 /* BIT 'i' (info?) table
3628 * offset + 0 (32 bits): BIOS version dword (as in B table)
3629 * offset + 5 (8 bits): BIOS feature byte (same as for BMP?)
3630 * offset + 13 (16 bits): pointer to table containing DAC load detection comparison values
3632 * There's other things in the table, purpose unknown
3635 uint16_t daccmpoffset;
3636 uint8_t dacversion, dacheaderlen;
3638 if (bitentry->length < 6) {
3639 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
3640 "BIT i table not long enough for BIOS version and feature byte\n");
3644 parse_bios_version(pScrn, bios, bitentry->offset);
3646 /* bit 4 seems to indicate a mobile bios, other bits possibly as for BMP feature byte */
3647 bios->feature_byte = bios->data[bitentry->offset + 5];
3649 if (bitentry->length < 15) {
3650 xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
3651 "BIT i table not long enough for DAC load detection comparison table\n");
3655 daccmpoffset = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset + 13])));
3657 /* doesn't exist on g80 */
3661 /* The first value in the table, following the header, is the comparison value
3662 * Purpose of subsequent values unknown -- TV load detection?
3665 dacversion = bios->data[daccmpoffset];
3666 dacheaderlen = bios->data[daccmpoffset + 1];
3668 if (dacversion != 0x00 && dacversion != 0x10) {
3669 xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
3670 "DAC load detection comparison table version %d.%d not known\n",
3671 dacversion >> 4, dacversion & 0xf);
3675 bios->dactestval = le32_to_cpu(*((uint32_t *)(&bios->data[daccmpoffset + dacheaderlen])));
3680 static int parse_bit_lvds_tbl_entry(ScrnInfoPtr pScrn, bios_t *bios, bit_entry_t *bitentry)
3682 /* Parses the LVDS table segment that the bit entry points to.
3683 * Starting at bitentry->offset:
3685 * offset + 0 (16 bits): LVDS strap xlate table pointer
3688 if (bitentry->length != 2) {
3689 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Do not understand BIT LVDS table\n");
3693 /* no idea if it's still called the LVDS manufacturer table, but the concept's close enough */
3694 bios->fp.lvdsmanufacturerpointer = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset])));
3695 bios->fp.strapping = get_fp_strap(pScrn, bios);
3697 parse_lvds_manufacturer_table(pScrn, bios, 0);
3702 static int parse_bit_M_tbl_entry(ScrnInfoPtr pScrn, bios_t *bios, bit_entry_t *bitentry)
3704 /* offset + 2 (8 bits): number of options in an INIT_RAM_RESTRICT_ZM_REG_GROUP opcode option set
3705 * offset + 3 (16 bits): pointer to strap xlate table for RAM restrict option selection
3707 * There's a bunch of bits in this table other than the RAM restrict
3708 * stuff that we don't use - their use currently unknown
3713 /* Older bios versions don't have a sufficiently long table for what we want */
3714 if (bitentry->length < 0x5)
3717 /* set up multiplier for INIT_RAM_RESTRICT_ZM_REG_GROUP */
3718 for (i = 0; itbl_entry[i].name && (itbl_entry[i].id != 0x8f); i++)
3720 itbl_entry[i].length_multiplier = bios->data[bitentry->offset + 2] * 4;
3721 init_ram_restrict_zm_reg_group_blocklen = itbl_entry[i].length_multiplier;
3723 bios->ram_restrict_tbl_ptr = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset + 3])));
3728 static int parse_bit_tmds_tbl_entry(ScrnInfoPtr pScrn, bios_t *bios, bit_entry_t *bitentry)
3730 /* Parses the pointer to the TMDS table
3732 * Starting at bitentry->offset:
3734 * offset + 0 (16 bits): TMDS table pointer
3736 * The TMDS table is typically found just before the DCB table, with a
3737 * characteristic signature of 0x11,0x13 (1.1 being version, 0x13 being
3740 * At offset +7 is a pointer to a script, which I don't know how to run yet
3741 * At offset +9 is a pointer to another script, likewise
3742 * Offset +11 has a pointer to a table where the first word is a pxclk
3743 * frequency and the second word a pointer to a script, which should be
3744 * run if the comparison pxclk frequency is less than the pxclk desired.
3745 * This repeats for decreasing comparison frequencies
3746 * Offset +13 has a pointer to a similar table
3747 * The selection of table (and possibly +7/+9 script) is dictated by
3748 * "or" from the DCB.
3751 uint16_t tmdstableptr, script1, script2;
3753 if (bitentry->length != 2) {
3754 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Do not understand BIT TMDS table\n");
3758 tmdstableptr = le16_to_cpu(*((uint16_t *)(&bios->data[bitentry->offset])));
3760 if (tmdstableptr == 0x0) {
3761 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Pointer to TMDS table invalid\n");
3765 /* nv50+ has v2.0, but we don't parse it atm */
3766 if (bios->data[tmdstableptr] != 0x11) {
3767 xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "TMDS table revision %d.%d not currently supported\n",
3768 bios->data[tmdstableptr] >> 4, bios->data[tmdstableptr] & 0xf);
3772 /* These two scripts are odd: they don't seem to get run even when they are not stubbed */
3773 script1 = le16_to_cpu(*((uint16_t *)&bios->data[tmdstableptr + 7]));
3774 script2 = le16_to_cpu(*((uint16_t *)&bios->data[tmdstableptr + 9]));
3775 if (bios->data[script1] != 'q' || bios->data[script2] != 'q')
3776 xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "TMDS table script pointers not stubbed\n");
3778 bios->tmds.output0_script_ptr = le16_to_cpu(*((uint16_t *)&bios->data[tmdstableptr + 11]));
3779 bios->tmds.output1_script_ptr = le16_to_cpu(*((uint16_t *)&bios->data[tmdstableptr + 13]));
3784 static void parse_bit_structure(ScrnInfoPtr pScrn, bios_t *bios, const uint16_t bitoffset)
3786 int entries = bios->data[bitoffset + 4];
3787 /* parse i first, I next (which needs C & M before it), and L before D */
3788 char parseorder[] = "iCMILDT";
3789 bit_entry_t bitentry;
3792 for (i = 0; i < sizeof(parseorder); i++) {
3793 for (j = 0, offset = bitoffset + 6; j < entries; j++, offset += 6) {
3794 bitentry.id[0] = bios->data[offset];
3795 bitentry.id[1] = bios->data[offset + 1];
3796 bitentry.length = le16_to_cpu(*((uint16_t *)&bios->data[offset + 2]));
3797 bitentry.offset = le16_to_cpu(*((uint16_t *)&bios->data[offset + 4]));
3799 if (bitentry.id[0] != parseorder[i])
3802 switch (bitentry.id[0]) {
3804 parse_bit_C_tbl_entry(pScrn, bios, &bitentry);
3807 parse_bit_display_tbl_entry(pScrn, bios, &bitentry);
3810 parse_bit_init_tbl_entry(pScrn, bios, &bitentry);
3811 parse_init_tables(pScrn, bios);
3813 case 'i': /* info? */
3814 parse_bit_i_tbl_entry(pScrn, bios, &bitentry);
3817 if (bios->feature_byte & FEATURE_MOBILE)
3818 parse_bit_lvds_tbl_entry(pScrn, bios, &bitentry);
3820 case 'M': /* memory? */
3821 parse_bit_M_tbl_entry(pScrn, bios, &bitentry);
3824 parse_bit_tmds_tbl_entry(pScrn, bios, &bitentry);
3831 static void parse_bmp_structure(ScrnInfoPtr pScrn, bios_t *bios, unsigned int offset)
3833 /* Parse the BMP structure for useful things
3835 * offset + 5: BMP major version
3836 * offset + 6: BMP minor version
3837 * offset + 10: BCD encoded BIOS version
3839 * offset + 18: init script table pointer (for bios versions < 5.10h)
3840 * offset + 20: extra init script table pointer (for bios versions < 5.10h)
3842 * offset + 24: memory init table pointer (used on early bios versions)
3843 * offset + 26: SDR memory sequencing setup data table
3844 * offset + 28: DDR memory sequencing setup data table
3846 * offset + 54: index of I2C CRTC pair to use for CRT output
3847 * offset + 55: index of I2C CRTC pair to use for TV output
3848 * offset + 56: index of I2C CRTC pair to use for flat panel output
3849 * offset + 58: write CRTC index for I2C pair 0
3850 * offset + 59: read CRTC index for I2C pair 0
3851 * offset + 60: write CRTC index for I2C pair 1
3852 * offset + 61: read CRTC index for I2C pair 1
3854 * offset + 67: maximum internal PLL frequency (single stage PLL)
3855 * offset + 71: minimum internal PLL frequency (single stage PLL)
3857 * offset + 75: script table pointers, as for parse_bit_init_tbl_entry
3859 * offset + 89: TMDS single link output A table pointer
3860 * offset + 91: TMDS single link output B table pointer
3861 * offset + 105: flat panel timings table pointer
3862 * offset + 107: flat panel strapping translation table pointer
3863 * offset + 117: LVDS manufacturer panel config table pointer
3864 * offset + 119: LVDS manufacturer strapping translation table pointer
3866 * offset + 142: PLL limits table pointer
3869 NVPtr pNv = NVPTR(pScrn);
3870 uint8_t bmp_version_major, bmp_version_minor;
3872 struct fppointers fpp;
3873 uint16_t legacy_scripts_offset, legacy_i2c_offset;
3875 memset(&fpp, 0, sizeof(struct fppointers));
3877 /* load needed defaults in case we can't parse this info */
3878 pNv->dcb_table.i2c_write[0] = 0x3f;
3879 pNv->dcb_table.i2c_read[0] = 0x3e;
3880 pNv->dcb_table.i2c_write[1] = 0x37;
3881 pNv->dcb_table.i2c_read[1] = 0x36;
3882 bios->digital_min_front_porch = 0x4b;
3883 bios->fmaxvco = 256000;
3884 bios->fminvco = 128000;
3885 bios->fp.duallink_transition_clk = 90000;
3887 bmp_version_major = bios->data[offset + 5];
3888 bmp_version_minor = bios->data[offset + 6];
3890 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "BMP version %d.%d\n",
3891 bmp_version_major, bmp_version_minor);
3893 /* Make sure that 0x36 is blank and can't be mistaken for a DCB pointer on early versions */
3894 if (bmp_version_major < 5)
3895 *(uint16_t *)&bios->data[0x36] = 0;
3897 /* Seems that the minor version was 1 for all major versions prior to 5 */
3898 /* Version 6 could theoretically exist, but I suspect BIT happened instead */
3899 if ((bmp_version_major < 5 && bmp_version_minor != 1) || bmp_version_major > 5) {
3900 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "You have an unsupported BMP version. Please send in your bios\n");
3904 if (bmp_version_major == 0) /* nothing that's currently useful in this version */
3906 else if (bmp_version_major == 1)
3907 bmplength = 44; /* exact for 1.01 */
3908 else if (bmp_version_major == 2)
3909 bmplength = 48; /* exact for 2.01 */
3910 else if (bmp_version_major == 3)
3911 bmplength = 54; /* guessed - mem init tables added in this version */
3912 else if (bmp_version_major == 4 || bmp_version_minor < 0x1) /* don't know if 5.0 exists... */
3913 bmplength = 62; /* guessed - BMP I2C indices added in version 4*/
3914 else if (bmp_version_minor < 0x6)
3915 bmplength = 67; /* exact for 5.01 */
3916 else if (bmp_version_minor < 0x10)
3917 bmplength = 75; /* exact for 5.06 */
3918 else if (bmp_version_minor == 0x10)
3919 bmplength = 89; /* exact for 5.10h */
3920 else if (bmp_version_minor < 0x14)
3921 bmplength = 118; /* exact for 5.11h */
3922 else if (bmp_version_minor < 0x24) /* not sure of version where pll limits came in;
3923 * certainly exist by 0x24 though */
3924 /* length not exact: this is long enough to get lvds members */
3926 else if (bmp_version_minor < 0x27)
3927 /* length not exact: this is long enough to get pll limit member */
3930 /* length not exact: this is long enough to get dual link transition clock */
3934 if (nv_cksum(bios->data + offset, 8)) {
3935 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Bad BMP checksum\n");
3939 /* bit 4 seems to indicate a mobile bios, bit 5 that the flat panel
3940 * tables are present, and bit 6 a tv bios */
3941 bios->feature_byte = bios->data[offset + 9];
3943 parse_bios_version(pScrn, bios, offset + 10);
3945 legacy_scripts_offset = offset + 18;
3946 if (bmp_version_major < 2)
3947 legacy_scripts_offset -= 4;
3948 bios->init_script_tbls_ptr = le16_to_cpu(*(uint16_t *)&bios->data[legacy_scripts_offset]);
3949 bios->extra_init_script_tbl_ptr = le16_to_cpu(*(uint16_t *)&bios->data[legacy_scripts_offset + 2]);
3951 if (bmp_version_major > 2) { /* appears in BMP 3 */
3952 bios->legacy.mem_init_tbl_ptr = le16_to_cpu(*(uint16_t *)&bios->data[offset + 24]);
3953 bios->legacy.sdr_seq_tbl_ptr = le16_to_cpu(*(uint16_t *)&bios->data[offset + 26]);
3954 bios->legacy.ddr_seq_tbl_ptr = le16_to_cpu(*(uint16_t *)&bios->data[offset + 28]);
3957 legacy_i2c_offset = 0x48; /* BMP version 2 & 3 */
3959 legacy_i2c_offset = offset + 54;
3960 bios->legacy.i2c_indices.crt = bios->data[legacy_i2c_offset];
3961 bios->legacy.i2c_indices.tv = bios->data[legacy_i2c_offset + 1];
3962 bios->legacy.i2c_indices.panel = bios->data[legacy_i2c_offset + 2];
3963 pNv->dcb_table.i2c_write[0] = bios->data[legacy_i2c_offset + 4];
3964 pNv->dcb_table.i2c_read[0] = bios->data[legacy_i2c_offset + 5];
3965 pNv->dcb_table.i2c_write[1] = bios->data[legacy_i2c_offset + 6];
3966 pNv->dcb_table.i2c_read[1] = bios->data[legacy_i2c_offset + 7];
3968 if (bmplength > 74) {
3969 bios->fmaxvco = le32_to_cpu(*((uint32_t *)&bios->data[offset + 67]));
3970 bios->fminvco = le32_to_cpu(*((uint32_t *)&bios->data[offset + 71]));
3972 if (bmplength > 88) {
3973 bit_entry_t initbitentry;
3974 initbitentry.length = 14;
3975 initbitentry.offset = offset + 75;
3976 parse_bit_init_tbl_entry(pScrn, bios, &initbitentry);
3978 if (bmplength > 94) {
3979 bios->tmds.output0_script_ptr = le16_to_cpu(*((uint16_t *)&bios->data[offset + 89]));
3980 bios->tmds.output1_script_ptr = le16_to_cpu(*((uint16_t *)&bios->data[offset + 91]));
3981 /* it seems the old style lvds script pointer (which I've not observed in use) gets
3982 * reused as the 18/24 bit panel interface default for EDID equipped panels */
3983 bios->fp.if_is_24bit = bios->data[offset + 95] & 1;
3985 if (bmplength > 108) {
3986 fpp.fptablepointer = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 105])));
3987 fpp.fpxlatetableptr = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 107])));
3990 if (bmplength > 120) {
3991 bios->fp.lvdsmanufacturerpointer = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 117])));
3992 bios->fp.fpxlatemanufacturertableptr = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 119])));
3994 if (bmplength > 143)
3995 bios->pll_limit_tbl_ptr = le16_to_cpu(*((uint16_t *)(&bios->data[offset + 142])));
3997 if (bmplength > 157)
3998 bios->fp.duallink_transition_clk = le16_to_cpu(*((uint16_t *)&bios->data[offset + 156])) * 10;
4000 /* want pll_limit_tbl_ptr set (if available) before init is run */
4001 if (bmp_version_major < 5 || bmp_version_minor < 0x10) {
4002 init_exec_t iexec = {true, false};
4003 if (bios->init_script_tbls_ptr)
4004 parse_init_table(pScrn, bios, bios->init_script_tbls_ptr, &iexec);
4005 if (bios->extra_init_script_tbl_ptr)
4006 parse_init_table(pScrn, bios, bios->extra_init_script_tbl_ptr, &iexec);
4008 parse_init_tables(pScrn, bios);
4010 /* If it's not a laptop, you probably don't care about fptables */
4011 if (!(bios->feature_byte & FEATURE_MOBILE))
4014 bios->fp.strapping = get_fp_strap(pScrn, bios);
4015 parse_lvds_manufacturer_table(pScrn, bios, 0);
4016 parse_fp_mode_table(pScrn, bios, &fpp);
4019 static uint16_t findstr(uint8_t *data, int n, const uint8_t *str, int len)
4023 for (i = 0; i <= (n - len); i++) {
4024 for (j = 0; j < len; j++)
4025 if (data[i + j] != str[j])
4035 read_dcb_i2c_entry(ScrnInfoPtr pScrn, uint8_t dcb_version, uint16_t i2ctabptr, int index)
4037 NVPtr pNv = NVPTR(pScrn);
4038 bios_t *bios = &pNv->VBIOS;
4039 uint8_t *i2ctable = &bios->data[i2ctabptr];
4040 uint8_t headerlen = 0;
4041 int i2c_entries = MAX_NUM_DCB_ENTRIES;
4042 int recordoffset = 0, rdofs = 1, wrofs = 0;
4047 if (dcb_version >= 0x30) {
4048 if (i2ctable[0] != dcb_version) /* necessary? */
4049 xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
4050 "DCB I2C table version mismatch (%02X vs %02X)\n",
4051 i2ctable[0], dcb_version);
4052 headerlen = i2ctable[1];
4053 i2c_entries = i2ctable[2];
4055 /* same address offset used for read and write for C51 and G80 */
4056 if (bios->chip_version == 0x51)
4058 if (i2ctable[0] >= 0x40)
4061 /* it's your own fault if you call this function on a DCB 1.1 BIOS --
4062 * the test below is for DCB 1.2
4064 if (dcb_version < 0x14) {
4072 if (index > i2c_entries) {
4073 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
4074 "DCB I2C index too big (%d > %d)\n",
4075 index, i2ctable[2]);
4078 if (i2ctable[headerlen + 4 * index + 3] == 0xff) {
4079 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
4080 "DCB I2C entry invalid\n");
4084 if (bios->chip_version == 0x51) {
4085 int port_type = i2ctable[headerlen + 4 * index + 3];
4088 xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
4089 "DCB I2C table has port type %d\n", port_type);
4091 if (i2ctable[0] >= 0x40) {
4092 int port_type = i2ctable[headerlen + 4 * index + 3];
4095 xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
4096 "DCB I2C table has port type %d\n", port_type);
4099 pNv->dcb_table.i2c_read[index] = i2ctable[headerlen + recordoffset + rdofs + 4 * index];
4100 pNv->dcb_table.i2c_write[index] = i2ctable[headerlen + recordoffset + wrofs + 4 * index];
4104 parse_dcb_entry(ScrnInfoPtr pScrn, int index, uint8_t dcb_version, uint16_t i2ctabptr, uint32_t conn, uint32_t conf)
4106 NVPtr pNv = NVPTR(pScrn);
4107 struct dcb_entry *entry = &pNv->dcb_table.entry[index];
4109 memset(entry, 0, sizeof (struct dcb_entry));
4111 entry->index = index;
4112 /* safe defaults for a crt */
4114 entry->i2c_index = 0;
4117 entry->location = LOC_ON_CHIP;
4119 entry->duallink_possible = false;
4121 if (dcb_version >= 0x20) {
4122 entry->type = conn & 0xf;
4123 entry->i2c_index = (conn >> 4) & 0xf;
4124 entry->heads = (conn >> 8) & 0xf;
4125 entry->bus = (conn >> 16) & 0xf;
4126 entry->location = (conn >> 20) & 0xf;
4127 entry->or = (conn >> 24) & 0xf;
4128 /* Normal entries consist of a single bit, but dual link has the
4129 * adjacent more significant bit set too
4131 if ((1 << (ffs(entry->or) - 1)) * 3 == entry->or)
4132 entry->duallink_possible = true;
4134 switch (entry->type) {
4139 entry->lvdsconf.use_straps_for_mode = true;
4140 if (dcb_version < 0x22) {
4142 /* both 0x4 and 0x8 show up in v2.0 tables; assume they mean
4143 * the same thing, which is probably wrong, but might work */
4144 if (conf & 0x4 || conf & 0x8)
4145 entry->lvdsconf.use_power_scripts = true;
4149 entry->lvdsconf.use_power_scripts = true;
4152 /* I'm bored of getting this reported; left as a reminder for someone to fix it */
4153 if (dcb_version >= 0x40) {
4154 xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
4155 "G80+ LVDS not initialized by driver; ignoring conf bits\n");
4158 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
4159 "Unknown LVDS configuration bits, please report\n");
4160 /* cause output setting to fail, so message is seen */
4161 pNv->dcb_table.entries = 0;
4167 /* weird type that appears on g80 mobile bios; nv driver treats it as a terminator */
4170 read_dcb_i2c_entry(pScrn, dcb_version, i2ctabptr, entry->i2c_index);
4171 } else if (dcb_version >= 0x14 ) {
4172 if (conn != 0xf0003f00 && conn != 0xf2247f10 &&
4173 conn != 0xf2204001 && conn != 0xf2204301 && conn != 0xf2204311 && conn != 0xf2208001 && conn != 0xf2244001 && conn != 0xf2244301 && conn != 0xf2244311 && conn != 0xf4204011 && conn != 0xf4208011 && conn != 0xf4248011 &&
4174 conn != 0xf2045f14 && conn != 0xf2205004) {
4175 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
4176 "Unknown DCB 1.4 / 1.5 entry, please report\n");
4178 /* cause output setting to fail for non-TVs, so message is seen */
4179 if ((conn & 0xf) != 0x1)
4180 pNv->dcb_table.entries = 0;
4184 /* most of the below is a "best guess" atm */
4185 entry->type = conn & 0xf;
4186 if (entry->type == 4) { /* digital */
4188 entry->type = OUTPUT_LVDS;
4190 entry->type = OUTPUT_TMDS;
4192 /* what's in bits 5-13? could be some brooktree/chrontel/philips thing, in tv case */
4193 entry->i2c_index = (conn >> 14) & 0xf;
4194 /* raw heads field is in range 0-1, so move to 1-2 */
4195 entry->heads = ((conn >> 18) & 0x7) + 1;
4196 entry->location = (conn >> 21) & 0xf;
4197 entry->bus = (conn >> 25) & 0x7;
4198 /* set or to be same as heads -- hopefully safe enough */
4199 entry->or = entry->heads;
4201 switch (entry->type) {
4203 /* this is probably buried in conn's unknown bits */
4204 entry->lvdsconf.use_power_scripts = true;
4207 /* invent a DVI-A output, by copying the fields of the DVI-D output
4208 * reported to work by math_b on an NV20(!) */
4209 memcpy(&entry[1], &entry[0], sizeof(struct dcb_entry));
4210 entry[1].index = ++index;
4211 entry[1].type = OUTPUT_ANALOG;
4212 xf86DrvMsg(pScrn->scrnIndex, X_NOTICE,
4213 "Concocting additional DCB entry for analogue encoder on DVI output\n");
4214 pNv->dcb_table.entries++;
4216 read_dcb_i2c_entry(pScrn, dcb_version, i2ctabptr, entry->i2c_index);
4217 } else if (dcb_version >= 0x12) {
4218 /* v1.2 tables normally have the same 5 entries, which are not
4219 * specific to the card, so use the defaults for a crt */
4220 /* DCB v1.2 does have an I2C table that read_dcb_i2c_table can handle, but cards
4221 * exist (seen on nv11) where the pointer to the table points to the wrong
4222 * place, so for now, we rely on the indices parsed in parse_bmp_structure
4224 entry->i2c_index = pNv->VBIOS.legacy.i2c_indices.crt;
4225 } else { /* pre DCB / v1.1 - use the safe defaults for a crt */
4226 xf86DrvMsg(pScrn->scrnIndex, X_NOTICE,
4227 "No information in BIOS output table; assuming a CRT output exists\n");
4228 entry->i2c_index = pNv->VBIOS.legacy.i2c_indices.crt;
4231 if (entry->type == OUTPUT_LVDS && pNv->VBIOS.fp.strapping != 0xff)
4232 entry->lvdsconf.use_straps_for_mode = true;
4234 pNv->dcb_table.entries++;
4239 void merge_like_dcb_entries(ScrnInfoPtr pScrn)
4241 /* DCB v2.0 lists each output combination separately.
4242 * Here we merge compatible entries to have fewer outputs, with more options
4245 NVPtr pNv = NVPTR(pScrn);
4246 int i, newentries = 0;
4248 for (i = 0; i < pNv->dcb_table.entries; i++) {
4249 struct dcb_entry *ient = &pNv->dcb_table.entry[i];
4252 for (j = i + 1; j < pNv->dcb_table.entries; j++) {
4253 struct dcb_entry *jent = &pNv->dcb_table.entry[j];
4255 if (jent->type == 100) /* already merged entry */
4258 /* merge heads field when all other fields the same */
4259 if (jent->i2c_index == ient->i2c_index && jent->type == ient->type && jent->location == ient->location && jent->or == ient->or) {
4260 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
4261 "Merging DCB entries %d and %d\n", i, j);
4262 ient->heads |= jent->heads;
4263 jent->type = 100; /* dummy value */
4268 /* Compact entries merged into others out of dcb_table */
4269 for (i = 0; i < pNv->dcb_table.entries; i++) {
4270 if ( pNv->dcb_table.entry[i].type == 100 )
4273 if (newentries != i)
4274 memcpy(&pNv->dcb_table.entry[newentries], &pNv->dcb_table.entry[i], sizeof(struct dcb_entry));
4278 pNv->dcb_table.entries = newentries;
4281 static unsigned int parse_dcb_table(ScrnInfoPtr pScrn, bios_t *bios)
4283 NVPtr pNv = NVPTR(pScrn);
4284 uint16_t dcbptr, i2ctabptr = 0;
4286 uint8_t dcb_version, headerlen = 0x4, entries = MAX_NUM_DCB_ENTRIES;
4287 bool configblock = true;
4288 int recordlength = 8, confofs = 4;
4291 pNv->dcb_table.entries = 0;
4293 /* get the offset from 0x36 */
4294 dcbptr = le16_to_cpu(*(uint16_t *)&bios->data[0x36]);
4296 if (dcbptr == 0x0) {
4297 xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
4298 "No Display Configuration Block pointer found\n");
4299 /* this situation likely means a really old card, pre DCB, so we'll add the safe CRT entry */
4300 parse_dcb_entry(pScrn, 0, 0, 0, 0, 0);
4304 dcbtable = &bios->data[dcbptr];
4306 /* get DCB version */
4307 dcb_version = dcbtable[0];
4308 xf86DrvMsg(pScrn->scrnIndex, X_INFO,
4309 "Found Display Configuration Block version %d.%d\n",
4310 dcb_version >> 4, dcb_version & 0xf);
4312 if (dcb_version >= 0x20) { /* NV17+ */
4315 if (dcb_version >= 0x30) { /* NV40+ */
4316 headerlen = dcbtable[1];
4317 entries = dcbtable[2];
4318 recordlength = dcbtable[3];
4319 i2ctabptr = le16_to_cpu(*(uint16_t *)&dcbtable[4]);
4320 sig = le32_to_cpu(*(uint32_t *)&dcbtable[6]);
4322 i2ctabptr = le16_to_cpu(*(uint16_t *)&dcbtable[2]);
4323 sig = le32_to_cpu(*(uint32_t *)&dcbtable[4]);
4327 if (sig != 0x4edcbdcb) {
4328 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
4329 "Bad Display Configuration Block signature (%08X)\n", sig);
4332 } else if (dcb_version >= 0x14) { /* some NV15/16, and NV11+ */
4336 strncpy(sig, (char *)&dcbtable[-7], 7);
4337 i2ctabptr = le16_to_cpu(*(uint16_t *)&dcbtable[2]);
4341 if (strcmp(sig, "DEV_REC")) {
4342 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
4343 "Bad Display Configuration Block signature (%s)\n", sig);
4346 } else if (dcb_version >= 0x12) { /* some NV6/10, and NV15+ */
4347 i2ctabptr = le16_to_cpu(*(uint16_t *)&dcbtable[2]);
4348 configblock = false;
4349 } else { /* NV5+, maybe NV4 */
4350 /* DCB 1.1 seems to be quite unhelpful - we'll just add the safe CRT entry */
4351 parse_dcb_entry(pScrn, 0, dcb_version, 0, 0, 0);
4355 if (entries >= MAX_NUM_DCB_ENTRIES)
4356 entries = MAX_NUM_DCB_ENTRIES;
4358 for (i = 0; i < entries; i++) {
4359 uint32_t connection, config = 0;
4361 connection = le32_to_cpu(*(uint32_t *)&dcbtable[headerlen + recordlength * i]);
4363 config = le32_to_cpu(*(uint32_t *)&dcbtable[headerlen + confofs + recordlength * i]);
4365 /* Should we allow discontinuous DCBs? Certainly DCB I2C tables can be discontinuous */
4366 if ((connection & 0x0000000f) == 0x0000000f) /* end of records */
4368 if (connection == 0x00000000) /* seen on an NV11 with DCB v1.5 */
4371 xf86DrvMsg(pScrn->scrnIndex, X_NOTICE, "Raw DCB entry %d: %08x %08x\n",
4372 pNv->dcb_table.entries, connection, config);
4374 if (!parse_dcb_entry(pScrn, pNv->dcb_table.entries, dcb_version, i2ctabptr, connection, config))
4378 merge_like_dcb_entries(pScrn);
4380 return pNv->dcb_table.entries;
4383 static void load_nv17_hw_sequencer_ucode(ScrnInfoPtr pScrn, bios_t *bios, uint16_t hwsq_offset, int entry)
4385 /* BMP based cards, from NV17, need a microcode loading to correctly
4386 * control the GPIO etc for LVDS panels
4388 * BIT based cards seem to do this directly in the init scripts
4390 * The microcode entries are found by the "HWSQ" signature.
4391 * The header following has the number of entries, and the entry size
4393 * An entry consists of a dword to write to the sequencer control reg
4394 * (0x00001304), followed by the ucode bytes, written sequentially,
4395 * starting at reg 0x00001400
4398 uint8_t bytes_to_write;
4399 uint16_t hwsq_entry_offset;
4402 if (bios->data[hwsq_offset] <= entry) {
4403 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
4404 "Too few entries in HW sequencer table for requested entry\n");
4408 bytes_to_write = bios->data[hwsq_offset + 1];
4410 if (bytes_to_write != 36) {
4411 xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "Unknown HW sequencer entry size\n");
4415 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Loading NV17 power sequencing microcode\n");
4417 hwsq_entry_offset = hwsq_offset + 2 + entry * bytes_to_write;
4419 /* set sequencer control */
4420 nv32_wr(pScrn, 0x00001304, le32_to_cpu(*(uint32_t *)&bios->data[hwsq_entry_offset]));
4421 bytes_to_write -= 4;
4424 for (i = 0; i < bytes_to_write; i += 4)
4425 nv32_wr(pScrn, 0x00001400 + i, le32_to_cpu(*(uint32_t *)&bios->data[hwsq_entry_offset + i + 4]));
4427 /* twiddle NV_PBUS_DEBUG_4 */
4428 nv32_wr(pScrn, NV_PBUS_DEBUG_4, nv32_rd(pScrn, NV_PBUS_DEBUG_4) | 0x18);
4431 static void read_bios_edid(ScrnInfoPtr pScrn)
4433 bios_t *bios = &NVPTR(pScrn)->VBIOS;
4434 const uint8_t edid_sig[] = { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 };
4435 uint16_t offset = 0, newoffset;
4436 int searchlen = NV_PROM_SIZE, i;
4439 if (!(newoffset = findstr(&bios->data[offset], searchlen, edid_sig, 8)))
4441 offset += newoffset;
4442 if (!nv_cksum(&bios->data[offset], EDID1_LEN))
4445 searchlen -= offset;
4449 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Found EDID in BIOS\n");
4451 if (!(bios->fp.edid = xalloc(EDID1_LEN)))
4453 for (i = 0; i < EDID1_LEN; i++)
4454 bios->fp.edid[i] = bios->data[offset + i];
4457 bool NVInitVBIOS(ScrnInfoPtr pScrn)
4459 NVPtr pNv = NVPTR(pScrn);
4461 memset(&pNv->VBIOS, 0, sizeof(bios_t));
4462 if (!(pNv->VBIOS.data = xalloc(NV_PROM_SIZE)))
4465 if (!NVShadowVBIOS(pScrn, pNv->VBIOS.data)) {
4466 xfree(pNv->VBIOS.data);
4470 pNv->VBIOS.length = pNv->VBIOS.data[2] * 512;
4471 if (pNv->VBIOS.length > NV_PROM_SIZE)
4472 pNv->VBIOS.length = NV_PROM_SIZE;
4477 bool NVRunVBIOSInit(ScrnInfoPtr pScrn)
4479 NVPtr pNv = NVPTR(pScrn);
4480 const uint8_t bmp_signature[] = { 0xff, 0x7f, 'N', 'V', 0x0 };
4481 const uint8_t bit_signature[] = { 0xff, 0xb8, 'B', 'I', 'T' };
4482 int offset, ret = 0;
4484 crtc_access(pNv, ACCESS_UNLOCK);
4486 if ((offset = findstr(pNv->VBIOS.data, pNv->VBIOS.length, bit_signature, sizeof(bit_signature)))) {
4487 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "BIT BIOS found\n");
4488 parse_bit_structure(pScrn, &pNv->VBIOS, offset + 6);
4489 } else if ((offset = findstr(pNv->VBIOS.data, pNv->VBIOS.length, bmp_signature, sizeof(bmp_signature)))) {
4490 const uint8_t hwsq_signature[] = { 'H', 'W', 'S', 'Q' };
4493 if ((hwsq_offset = findstr(pNv->VBIOS.data, pNv->VBIOS.length, hwsq_signature, sizeof(hwsq_signature))))
4494 /* always use entry 0? */
4495 load_nv17_hw_sequencer_ucode(pScrn, &pNv->VBIOS, hwsq_offset + sizeof(hwsq_signature), 0);
4497 xf86DrvMsg(pScrn->scrnIndex, X_INFO, "BMP BIOS found\n");
4498 parse_bmp_structure(pScrn, &pNv->VBIOS, offset);
4500 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
4501 "No known BIOS signature found\n");
4505 crtc_access(pNv, ACCESS_LOCK);
4513 unsigned int NVParseBios(ScrnInfoPtr pScrn)
4515 NVPtr pNv = NVPTR(pScrn);
4516 uint32_t saved_nv_pextdev_boot_0;
4519 if (!NVInitVBIOS(pScrn))
4522 /* these will need remembering across a suspend */
4523 saved_nv_pextdev_boot_0 = nv32_rd(pScrn, NV_PEXTDEV_BOOT_0);
4524 saved_nv_pfb_cfg0 = nv32_rd(pScrn, NV_PFB_CFG0);
4526 /* init script execution disabled */
4527 pNv->VBIOS.execute = false;
4529 nv32_wr(pScrn, NV_PEXTDEV_BOOT_0, saved_nv_pextdev_boot_0);
4531 if (!NVRunVBIOSInit(pScrn))
4534 parse_dcb_table(pScrn, &pNv->VBIOS);
4536 for (i = 0 ; i < pNv->dcb_table.entries; i++)
4537 if (pNv->dcb_table.entry[i].type == OUTPUT_LVDS)
4538 call_lvds_script(pScrn, &pNv->dcb_table.entry[i], nv_get_digital_bound_head(pNv, pNv->dcb_table.entry[i].or), LVDS_INIT, 0);
4540 if (pNv->VBIOS.feature_byte & FEATURE_MOBILE && !pNv->VBIOS.fp.native_mode)
4541 read_bios_edid(pScrn);
4543 /* allow subsequent scripts to execute */
4544 pNv->VBIOS.execute = true;