2 * Copyright 2006 Dave Airlie
3 * Copyright 2007 Maarten Maathuis
4 * Copyright 2007-2009 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
26 #include "nouveau_drv.h"
27 #include "nouveau_hw.h"
29 #include <subdev/bios/pll.h>
31 #define CHIPSET_NFORCE 0x01a0
32 #define CHIPSET_NFORCE2 0x01f0
35 * misc hw access wrappers/control functions
39 NVWriteVgaSeq(struct drm_device *dev, int head, uint8_t index, uint8_t value)
41 NVWritePRMVIO(dev, head, NV_PRMVIO_SRX, index);
42 NVWritePRMVIO(dev, head, NV_PRMVIO_SR, value);
46 NVReadVgaSeq(struct drm_device *dev, int head, uint8_t index)
48 NVWritePRMVIO(dev, head, NV_PRMVIO_SRX, index);
49 return NVReadPRMVIO(dev, head, NV_PRMVIO_SR);
53 NVWriteVgaGr(struct drm_device *dev, int head, uint8_t index, uint8_t value)
55 NVWritePRMVIO(dev, head, NV_PRMVIO_GRX, index);
56 NVWritePRMVIO(dev, head, NV_PRMVIO_GX, value);
60 NVReadVgaGr(struct drm_device *dev, int head, uint8_t index)
62 NVWritePRMVIO(dev, head, NV_PRMVIO_GRX, index);
63 return NVReadPRMVIO(dev, head, NV_PRMVIO_GX);
66 /* CR44 takes values 0 (head A), 3 (head B) and 4 (heads tied)
67 * it affects only the 8 bit vga io regs, which we access using mmio at
68 * 0xc{0,2}3c*, 0x60{1,3}3*, and 0x68{1,3}3d*
69 * in general, the set value of cr44 does not matter: reg access works as
70 * expected and values can be set for the appropriate head by using a 0x2000
73 * a) pre nv40, the head B range of PRMVIO regs at 0xc23c* was not exposed and
74 * cr44 must be set to 0 or 3 for accessing values on the correct head
75 * through the common 0xc03c* addresses
76 * b) in tied mode (4) head B is programmed to the values set on head A, and
77 * access using the head B addresses can have strange results, ergo we leave
78 * tied mode in init once we know to what cr44 should be restored on exit
80 * the owner parameter is slightly abused:
81 * 0 and 1 are treated as head values and so the set value is (owner * 3)
82 * other values are treated as literal values to set
85 NVSetOwner(struct drm_device *dev, int owner)
87 struct drm_nouveau_private *dev_priv = dev->dev_private;
92 if (dev_priv->chipset == 0x11) {
93 /* This might seem stupid, but the blob does it and
94 * omitting it often locks the system up.
96 NVReadVgaCrtc(dev, 0, NV_CIO_SR_LOCK_INDEX);
97 NVReadVgaCrtc(dev, 1, NV_CIO_SR_LOCK_INDEX);
100 /* CR44 is always changed on CRTC0 */
101 NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_44, owner);
103 if (dev_priv->chipset == 0x11) { /* set me harder */
104 NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_2E, owner);
105 NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_2E, owner);
110 NVBlankScreen(struct drm_device *dev, int head, bool blank)
114 if (nv_two_heads(dev))
115 NVSetOwner(dev, head);
117 seq1 = NVReadVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX);
119 NVVgaSeqReset(dev, head, true);
121 NVWriteVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX, seq1 | 0x20);
123 NVWriteVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX, seq1 & ~0x20);
124 NVVgaSeqReset(dev, head, false);
132 nouveau_hw_decode_pll(struct drm_device *dev, uint32_t reg1, uint32_t pll1,
133 uint32_t pll2, struct nouveau_pll_vals *pllvals)
135 struct drm_nouveau_private *dev_priv = dev->dev_private;
137 /* to force parsing as single stage (i.e. nv40 vplls) pass pll2 as 0 */
139 /* log2P is & 0x7 as never more than 7, and nv30/35 only uses 3 bits */
140 pllvals->log2P = (pll1 >> 16) & 0x7;
141 pllvals->N2 = pllvals->M2 = 1;
143 if (reg1 <= 0x405c) {
144 pllvals->NM1 = pll2 & 0xffff;
145 /* single stage NVPLL and VPLLs use 1 << 8, MPLL uses 1 << 12 */
146 if (!(pll1 & 0x1100))
147 pllvals->NM2 = pll2 >> 16;
149 pllvals->NM1 = pll1 & 0xffff;
150 if (nv_two_reg_pll(dev) && pll2 & NV31_RAMDAC_ENABLE_VCO2)
151 pllvals->NM2 = pll2 & 0xffff;
152 else if (dev_priv->chipset == 0x30 || dev_priv->chipset == 0x35) {
153 pllvals->M1 &= 0xf; /* only 4 bits */
154 if (pll1 & NV30_RAMDAC_ENABLE_VCO2) {
155 pllvals->M2 = (pll1 >> 4) & 0x7;
156 pllvals->N2 = ((pll1 >> 21) & 0x18) |
157 ((pll1 >> 19) & 0x7);
164 nouveau_hw_get_pllvals(struct drm_device *dev, enum nvbios_pll_type plltype,
165 struct nouveau_pll_vals *pllvals)
167 struct drm_nouveau_private *dev_priv = dev->dev_private;
168 uint32_t reg1 = get_pll_register(dev, plltype), pll1, pll2 = 0;
169 struct nvbios_pll pll_lim;
175 pll1 = nv_rd32(dev, reg1);
178 pll2 = nv_rd32(dev, reg1 + 4);
179 else if (nv_two_reg_pll(dev)) {
180 uint32_t reg2 = reg1 + (reg1 == NV_RAMDAC_VPLL2 ? 0x5c : 0x70);
182 pll2 = nv_rd32(dev, reg2);
185 if (dev_priv->card_type == 0x40 && reg1 >= NV_PRAMDAC_VPLL_COEFF) {
186 uint32_t ramdac580 = NVReadRAMDAC(dev, 0, NV_PRAMDAC_580);
188 /* check whether vpll has been forced into single stage mode */
189 if (reg1 == NV_PRAMDAC_VPLL_COEFF) {
190 if (ramdac580 & NV_RAMDAC_580_VPLL1_ACTIVE)
193 if (ramdac580 & NV_RAMDAC_580_VPLL2_ACTIVE)
197 nouveau_hw_decode_pll(dev, reg1, pll1, pll2, pllvals);
199 ret = get_pll_limits(dev, plltype, &pll_lim);
203 pllvals->refclk = pll_lim.refclk;
209 nouveau_hw_pllvals_to_clk(struct nouveau_pll_vals *pv)
211 /* Avoid divide by zero if called at an inappropriate time */
212 if (!pv->M1 || !pv->M2)
215 return pv->N1 * pv->N2 * pv->refclk / (pv->M1 * pv->M2) >> pv->log2P;
219 nouveau_hw_get_clock(struct drm_device *dev, enum nvbios_pll_type plltype)
221 struct nouveau_pll_vals pllvals;
224 if (plltype == PLL_MEMORY &&
225 (dev->pci_device & 0x0ff0) == CHIPSET_NFORCE) {
228 pci_read_config_dword(pci_get_bus_and_slot(0, 3), 0x6c, &mpllP);
232 return 400000 / mpllP;
234 if (plltype == PLL_MEMORY &&
235 (dev->pci_device & 0xff0) == CHIPSET_NFORCE2) {
238 pci_read_config_dword(pci_get_bus_and_slot(0, 5), 0x4c, &clock);
242 ret = nouveau_hw_get_pllvals(dev, plltype, &pllvals);
246 return nouveau_hw_pllvals_to_clk(&pllvals);
250 nouveau_hw_fix_bad_vpll(struct drm_device *dev, int head)
252 /* the vpll on an unused head can come up with a random value, way
253 * beyond the pll limits. for some reason this causes the chip to
254 * lock up when reading the dac palette regs, so set a valid pll here
255 * when such a condition detected. only seen on nv11 to date
258 struct nvbios_pll pll_lim;
259 struct nouveau_pll_vals pv;
260 enum nvbios_pll_type pll = head ? PLL_VPLL1 : PLL_VPLL0;
262 if (get_pll_limits(dev, pll, &pll_lim))
264 nouveau_hw_get_pllvals(dev, pll, &pv);
266 if (pv.M1 >= pll_lim.vco1.min_m && pv.M1 <= pll_lim.vco1.max_m &&
267 pv.N1 >= pll_lim.vco1.min_n && pv.N1 <= pll_lim.vco1.max_n &&
268 pv.log2P <= pll_lim.max_p)
271 NV_WARN(dev, "VPLL %d outwith limits, attempting to fix\n", head + 1);
273 /* set lowest clock within static limits */
274 pv.M1 = pll_lim.vco1.max_m;
275 pv.N1 = pll_lim.vco1.min_n;
276 pv.log2P = pll_lim.max_p_usable;
277 nouveau_hw_setpll(dev, pll_lim.reg, &pv);
281 * vga font save/restore
284 static void nouveau_vga_font_io(struct drm_device *dev,
285 void __iomem *iovram,
286 bool save, unsigned plane)
290 NVWriteVgaSeq(dev, 0, NV_VIO_SR_PLANE_MASK_INDEX, 1 << plane);
291 NVWriteVgaGr(dev, 0, NV_VIO_GX_READ_MAP_INDEX, plane);
292 for (i = 0; i < 16384; i++) {
294 nv04_display(dev)->saved_vga_font[plane][i] =
295 ioread32_native(iovram + i * 4);
297 iowrite32_native(nv04_display(dev)->saved_vga_font[plane][i],
304 nouveau_hw_save_vga_fonts(struct drm_device *dev, bool save)
306 uint8_t misc, gr4, gr5, gr6, seq2, seq4;
309 void __iomem *iovram;
311 if (nv_two_heads(dev))
314 NVSetEnablePalette(dev, 0, true);
315 graphicsmode = NVReadVgaAttr(dev, 0, NV_CIO_AR_MODE_INDEX) & 1;
316 NVSetEnablePalette(dev, 0, false);
318 if (graphicsmode) /* graphics mode => framebuffer => no need to save */
321 NV_INFO(dev, "%sing VGA fonts\n", save ? "Sav" : "Restor");
323 /* map first 64KiB of VRAM, holds VGA fonts etc */
324 iovram = ioremap(pci_resource_start(dev->pdev, 1), 65536);
326 NV_ERROR(dev, "Failed to map VRAM, "
327 "cannot save/restore VGA fonts.\n");
331 if (nv_two_heads(dev))
332 NVBlankScreen(dev, 1, true);
333 NVBlankScreen(dev, 0, true);
335 /* save control regs */
336 misc = NVReadPRMVIO(dev, 0, NV_PRMVIO_MISC__READ);
337 seq2 = NVReadVgaSeq(dev, 0, NV_VIO_SR_PLANE_MASK_INDEX);
338 seq4 = NVReadVgaSeq(dev, 0, NV_VIO_SR_MEM_MODE_INDEX);
339 gr4 = NVReadVgaGr(dev, 0, NV_VIO_GX_READ_MAP_INDEX);
340 gr5 = NVReadVgaGr(dev, 0, NV_VIO_GX_MODE_INDEX);
341 gr6 = NVReadVgaGr(dev, 0, NV_VIO_GX_MISC_INDEX);
343 NVWritePRMVIO(dev, 0, NV_PRMVIO_MISC__WRITE, 0x67);
344 NVWriteVgaSeq(dev, 0, NV_VIO_SR_MEM_MODE_INDEX, 0x6);
345 NVWriteVgaGr(dev, 0, NV_VIO_GX_MODE_INDEX, 0x0);
346 NVWriteVgaGr(dev, 0, NV_VIO_GX_MISC_INDEX, 0x5);
348 /* store font in planes 0..3 */
349 for (plane = 0; plane < 4; plane++)
350 nouveau_vga_font_io(dev, iovram, save, plane);
352 /* restore control regs */
353 NVWritePRMVIO(dev, 0, NV_PRMVIO_MISC__WRITE, misc);
354 NVWriteVgaGr(dev, 0, NV_VIO_GX_READ_MAP_INDEX, gr4);
355 NVWriteVgaGr(dev, 0, NV_VIO_GX_MODE_INDEX, gr5);
356 NVWriteVgaGr(dev, 0, NV_VIO_GX_MISC_INDEX, gr6);
357 NVWriteVgaSeq(dev, 0, NV_VIO_SR_PLANE_MASK_INDEX, seq2);
358 NVWriteVgaSeq(dev, 0, NV_VIO_SR_MEM_MODE_INDEX, seq4);
360 if (nv_two_heads(dev))
361 NVBlankScreen(dev, 1, false);
362 NVBlankScreen(dev, 0, false);
368 * mode state save/load
372 rd_cio_state(struct drm_device *dev, int head,
373 struct nv04_crtc_reg *crtcstate, int index)
375 crtcstate->CRTC[index] = NVReadVgaCrtc(dev, head, index);
379 wr_cio_state(struct drm_device *dev, int head,
380 struct nv04_crtc_reg *crtcstate, int index)
382 NVWriteVgaCrtc(dev, head, index, crtcstate->CRTC[index]);
386 nv_save_state_ramdac(struct drm_device *dev, int head,
387 struct nv04_mode_state *state)
389 struct drm_nouveau_private *dev_priv = dev->dev_private;
390 struct nv04_crtc_reg *regp = &state->crtc_reg[head];
393 if (dev_priv->card_type >= NV_10)
394 regp->nv10_cursync = NVReadRAMDAC(dev, head, NV_RAMDAC_NV10_CURSYNC);
396 nouveau_hw_get_pllvals(dev, head ? PLL_VPLL1 : PLL_VPLL0, ®p->pllvals);
397 state->pllsel = NVReadRAMDAC(dev, 0, NV_PRAMDAC_PLL_COEFF_SELECT);
398 if (nv_two_heads(dev))
399 state->sel_clk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK);
400 if (dev_priv->chipset == 0x11)
401 regp->dither = NVReadRAMDAC(dev, head, NV_RAMDAC_DITHER_NV11);
403 regp->ramdac_gen_ctrl = NVReadRAMDAC(dev, head, NV_PRAMDAC_GENERAL_CONTROL);
405 if (nv_gf4_disp_arch(dev))
406 regp->ramdac_630 = NVReadRAMDAC(dev, head, NV_PRAMDAC_630);
407 if (dev_priv->chipset >= 0x30)
408 regp->ramdac_634 = NVReadRAMDAC(dev, head, NV_PRAMDAC_634);
410 regp->tv_setup = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_SETUP);
411 regp->tv_vtotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_VTOTAL);
412 regp->tv_vskew = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_VSKEW);
413 regp->tv_vsync_delay = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_VSYNC_DELAY);
414 regp->tv_htotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_HTOTAL);
415 regp->tv_hskew = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_HSKEW);
416 regp->tv_hsync_delay = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_HSYNC_DELAY);
417 regp->tv_hsync_delay2 = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_HSYNC_DELAY2);
419 for (i = 0; i < 7; i++) {
420 uint32_t ramdac_reg = NV_PRAMDAC_FP_VDISPLAY_END + (i * 4);
421 regp->fp_vert_regs[i] = NVReadRAMDAC(dev, head, ramdac_reg);
422 regp->fp_horiz_regs[i] = NVReadRAMDAC(dev, head, ramdac_reg + 0x20);
425 if (nv_gf4_disp_arch(dev)) {
426 regp->dither = NVReadRAMDAC(dev, head, NV_RAMDAC_FP_DITHER);
427 for (i = 0; i < 3; i++) {
428 regp->dither_regs[i] = NVReadRAMDAC(dev, head, NV_PRAMDAC_850 + i * 4);
429 regp->dither_regs[i + 3] = NVReadRAMDAC(dev, head, NV_PRAMDAC_85C + i * 4);
433 regp->fp_control = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL);
434 regp->fp_debug_0 = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_0);
435 if (!nv_gf4_disp_arch(dev) && head == 0) {
436 /* early chips don't allow access to PRAMDAC_TMDS_* without
437 * the head A FPCLK on (nv11 even locks up) */
438 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_FP_DEBUG_0, regp->fp_debug_0 &
439 ~NV_PRAMDAC_FP_DEBUG_0_PWRDOWN_FPCLK);
441 regp->fp_debug_1 = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_1);
442 regp->fp_debug_2 = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_2);
444 regp->fp_margin_color = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_MARGIN_COLOR);
446 if (nv_gf4_disp_arch(dev))
447 regp->ramdac_8c0 = NVReadRAMDAC(dev, head, NV_PRAMDAC_8C0);
449 if (dev_priv->card_type == NV_40) {
450 regp->ramdac_a20 = NVReadRAMDAC(dev, head, NV_PRAMDAC_A20);
451 regp->ramdac_a24 = NVReadRAMDAC(dev, head, NV_PRAMDAC_A24);
452 regp->ramdac_a34 = NVReadRAMDAC(dev, head, NV_PRAMDAC_A34);
454 for (i = 0; i < 38; i++)
455 regp->ctv_regs[i] = NVReadRAMDAC(dev, head,
456 NV_PRAMDAC_CTV + 4*i);
461 nv_load_state_ramdac(struct drm_device *dev, int head,
462 struct nv04_mode_state *state)
464 struct drm_nouveau_private *dev_priv = dev->dev_private;
465 struct nv04_crtc_reg *regp = &state->crtc_reg[head];
466 uint32_t pllreg = head ? NV_RAMDAC_VPLL2 : NV_PRAMDAC_VPLL_COEFF;
469 if (dev_priv->card_type >= NV_10)
470 NVWriteRAMDAC(dev, head, NV_RAMDAC_NV10_CURSYNC, regp->nv10_cursync);
472 nouveau_hw_setpll(dev, pllreg, ®p->pllvals);
473 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_PLL_COEFF_SELECT, state->pllsel);
474 if (nv_two_heads(dev))
475 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK, state->sel_clk);
476 if (dev_priv->chipset == 0x11)
477 NVWriteRAMDAC(dev, head, NV_RAMDAC_DITHER_NV11, regp->dither);
479 NVWriteRAMDAC(dev, head, NV_PRAMDAC_GENERAL_CONTROL, regp->ramdac_gen_ctrl);
481 if (nv_gf4_disp_arch(dev))
482 NVWriteRAMDAC(dev, head, NV_PRAMDAC_630, regp->ramdac_630);
483 if (dev_priv->chipset >= 0x30)
484 NVWriteRAMDAC(dev, head, NV_PRAMDAC_634, regp->ramdac_634);
486 NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_SETUP, regp->tv_setup);
487 NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_VTOTAL, regp->tv_vtotal);
488 NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_VSKEW, regp->tv_vskew);
489 NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_VSYNC_DELAY, regp->tv_vsync_delay);
490 NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_HTOTAL, regp->tv_htotal);
491 NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_HSKEW, regp->tv_hskew);
492 NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_HSYNC_DELAY, regp->tv_hsync_delay);
493 NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_HSYNC_DELAY2, regp->tv_hsync_delay2);
495 for (i = 0; i < 7; i++) {
496 uint32_t ramdac_reg = NV_PRAMDAC_FP_VDISPLAY_END + (i * 4);
498 NVWriteRAMDAC(dev, head, ramdac_reg, regp->fp_vert_regs[i]);
499 NVWriteRAMDAC(dev, head, ramdac_reg + 0x20, regp->fp_horiz_regs[i]);
502 if (nv_gf4_disp_arch(dev)) {
503 NVWriteRAMDAC(dev, head, NV_RAMDAC_FP_DITHER, regp->dither);
504 for (i = 0; i < 3; i++) {
505 NVWriteRAMDAC(dev, head, NV_PRAMDAC_850 + i * 4, regp->dither_regs[i]);
506 NVWriteRAMDAC(dev, head, NV_PRAMDAC_85C + i * 4, regp->dither_regs[i + 3]);
510 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL, regp->fp_control);
511 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_0, regp->fp_debug_0);
512 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_1, regp->fp_debug_1);
513 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_2, regp->fp_debug_2);
515 NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_MARGIN_COLOR, regp->fp_margin_color);
517 if (nv_gf4_disp_arch(dev))
518 NVWriteRAMDAC(dev, head, NV_PRAMDAC_8C0, regp->ramdac_8c0);
520 if (dev_priv->card_type == NV_40) {
521 NVWriteRAMDAC(dev, head, NV_PRAMDAC_A20, regp->ramdac_a20);
522 NVWriteRAMDAC(dev, head, NV_PRAMDAC_A24, regp->ramdac_a24);
523 NVWriteRAMDAC(dev, head, NV_PRAMDAC_A34, regp->ramdac_a34);
525 for (i = 0; i < 38; i++)
526 NVWriteRAMDAC(dev, head,
527 NV_PRAMDAC_CTV + 4*i, regp->ctv_regs[i]);
532 nv_save_state_vga(struct drm_device *dev, int head,
533 struct nv04_mode_state *state)
535 struct nv04_crtc_reg *regp = &state->crtc_reg[head];
538 regp->MiscOutReg = NVReadPRMVIO(dev, head, NV_PRMVIO_MISC__READ);
540 for (i = 0; i < 25; i++)
541 rd_cio_state(dev, head, regp, i);
543 NVSetEnablePalette(dev, head, true);
544 for (i = 0; i < 21; i++)
545 regp->Attribute[i] = NVReadVgaAttr(dev, head, i);
546 NVSetEnablePalette(dev, head, false);
548 for (i = 0; i < 9; i++)
549 regp->Graphics[i] = NVReadVgaGr(dev, head, i);
551 for (i = 0; i < 5; i++)
552 regp->Sequencer[i] = NVReadVgaSeq(dev, head, i);
556 nv_load_state_vga(struct drm_device *dev, int head,
557 struct nv04_mode_state *state)
559 struct nv04_crtc_reg *regp = &state->crtc_reg[head];
562 NVWritePRMVIO(dev, head, NV_PRMVIO_MISC__WRITE, regp->MiscOutReg);
564 for (i = 0; i < 5; i++)
565 NVWriteVgaSeq(dev, head, i, regp->Sequencer[i]);
567 nv_lock_vga_crtc_base(dev, head, false);
568 for (i = 0; i < 25; i++)
569 wr_cio_state(dev, head, regp, i);
570 nv_lock_vga_crtc_base(dev, head, true);
572 for (i = 0; i < 9; i++)
573 NVWriteVgaGr(dev, head, i, regp->Graphics[i]);
575 NVSetEnablePalette(dev, head, true);
576 for (i = 0; i < 21; i++)
577 NVWriteVgaAttr(dev, head, i, regp->Attribute[i]);
578 NVSetEnablePalette(dev, head, false);
582 nv_save_state_ext(struct drm_device *dev, int head,
583 struct nv04_mode_state *state)
585 struct drm_nouveau_private *dev_priv = dev->dev_private;
586 struct nv04_crtc_reg *regp = &state->crtc_reg[head];
589 rd_cio_state(dev, head, regp, NV_CIO_CRE_LCD__INDEX);
590 rd_cio_state(dev, head, regp, NV_CIO_CRE_RPC0_INDEX);
591 rd_cio_state(dev, head, regp, NV_CIO_CRE_RPC1_INDEX);
592 rd_cio_state(dev, head, regp, NV_CIO_CRE_LSR_INDEX);
593 rd_cio_state(dev, head, regp, NV_CIO_CRE_PIXEL_INDEX);
594 rd_cio_state(dev, head, regp, NV_CIO_CRE_HEB__INDEX);
595 rd_cio_state(dev, head, regp, NV_CIO_CRE_ENH_INDEX);
597 rd_cio_state(dev, head, regp, NV_CIO_CRE_FF_INDEX);
598 rd_cio_state(dev, head, regp, NV_CIO_CRE_FFLWM__INDEX);
599 rd_cio_state(dev, head, regp, NV_CIO_CRE_21);
601 if (dev_priv->card_type >= NV_20)
602 rd_cio_state(dev, head, regp, NV_CIO_CRE_47);
604 if (dev_priv->card_type >= NV_30)
605 rd_cio_state(dev, head, regp, 0x9f);
607 rd_cio_state(dev, head, regp, NV_CIO_CRE_49);
608 rd_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR0_INDEX);
609 rd_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR1_INDEX);
610 rd_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR2_INDEX);
611 rd_cio_state(dev, head, regp, NV_CIO_CRE_ILACE__INDEX);
613 if (dev_priv->card_type >= NV_10) {
614 regp->crtc_830 = NVReadCRTC(dev, head, NV_PCRTC_830);
615 regp->crtc_834 = NVReadCRTC(dev, head, NV_PCRTC_834);
617 if (dev_priv->card_type >= NV_30)
618 regp->gpio_ext = NVReadCRTC(dev, head, NV_PCRTC_GPIO_EXT);
620 if (dev_priv->card_type == NV_40)
621 regp->crtc_850 = NVReadCRTC(dev, head, NV_PCRTC_850);
623 if (nv_two_heads(dev))
624 regp->crtc_eng_ctrl = NVReadCRTC(dev, head, NV_PCRTC_ENGINE_CTRL);
625 regp->cursor_cfg = NVReadCRTC(dev, head, NV_PCRTC_CURSOR_CONFIG);
628 regp->crtc_cfg = NVReadCRTC(dev, head, NV_PCRTC_CONFIG);
630 rd_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH3__INDEX);
631 rd_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH4__INDEX);
632 if (dev_priv->card_type >= NV_10) {
633 rd_cio_state(dev, head, regp, NV_CIO_CRE_EBR_INDEX);
634 rd_cio_state(dev, head, regp, NV_CIO_CRE_CSB);
635 rd_cio_state(dev, head, regp, NV_CIO_CRE_4B);
636 rd_cio_state(dev, head, regp, NV_CIO_CRE_TVOUT_LATENCY);
638 /* NV11 and NV20 don't have this, they stop at 0x52. */
639 if (nv_gf4_disp_arch(dev)) {
640 rd_cio_state(dev, head, regp, NV_CIO_CRE_42);
641 rd_cio_state(dev, head, regp, NV_CIO_CRE_53);
642 rd_cio_state(dev, head, regp, NV_CIO_CRE_54);
644 for (i = 0; i < 0x10; i++)
645 regp->CR58[i] = NVReadVgaCrtc5758(dev, head, i);
646 rd_cio_state(dev, head, regp, NV_CIO_CRE_59);
647 rd_cio_state(dev, head, regp, NV_CIO_CRE_5B);
649 rd_cio_state(dev, head, regp, NV_CIO_CRE_85);
650 rd_cio_state(dev, head, regp, NV_CIO_CRE_86);
653 regp->fb_start = NVReadCRTC(dev, head, NV_PCRTC_START);
657 nv_load_state_ext(struct drm_device *dev, int head,
658 struct nv04_mode_state *state)
660 struct drm_nouveau_private *dev_priv = dev->dev_private;
661 struct nv04_crtc_reg *regp = &state->crtc_reg[head];
665 if (dev_priv->card_type >= NV_10) {
666 if (nv_two_heads(dev))
667 /* setting ENGINE_CTRL (EC) *must* come before
668 * CIO_CRE_LCD, as writing CRE_LCD sets bits 16 & 17 in
669 * EC that should not be overwritten by writing stale EC
671 NVWriteCRTC(dev, head, NV_PCRTC_ENGINE_CTRL, regp->crtc_eng_ctrl);
673 nv_wr32(dev, NV_PVIDEO_STOP, 1);
674 nv_wr32(dev, NV_PVIDEO_INTR_EN, 0);
675 nv_wr32(dev, NV_PVIDEO_OFFSET_BUFF(0), 0);
676 nv_wr32(dev, NV_PVIDEO_OFFSET_BUFF(1), 0);
677 nv_wr32(dev, NV_PVIDEO_LIMIT(0), 0); //dev_priv->fb_available_size - 1);
678 nv_wr32(dev, NV_PVIDEO_LIMIT(1), 0); //dev_priv->fb_available_size - 1);
679 nv_wr32(dev, NV_PVIDEO_UVPLANE_LIMIT(0), 0); //dev_priv->fb_available_size - 1);
680 nv_wr32(dev, NV_PVIDEO_UVPLANE_LIMIT(1), 0); //dev_priv->fb_available_size - 1);
681 nv_wr32(dev, NV_PBUS_POWERCTRL_2, 0);
683 NVWriteCRTC(dev, head, NV_PCRTC_CURSOR_CONFIG, regp->cursor_cfg);
684 NVWriteCRTC(dev, head, NV_PCRTC_830, regp->crtc_830);
685 NVWriteCRTC(dev, head, NV_PCRTC_834, regp->crtc_834);
687 if (dev_priv->card_type >= NV_30)
688 NVWriteCRTC(dev, head, NV_PCRTC_GPIO_EXT, regp->gpio_ext);
690 if (dev_priv->card_type == NV_40) {
691 NVWriteCRTC(dev, head, NV_PCRTC_850, regp->crtc_850);
693 reg900 = NVReadRAMDAC(dev, head, NV_PRAMDAC_900);
694 if (regp->crtc_cfg == NV10_PCRTC_CONFIG_START_ADDRESS_HSYNC)
695 NVWriteRAMDAC(dev, head, NV_PRAMDAC_900, reg900 | 0x10000);
697 NVWriteRAMDAC(dev, head, NV_PRAMDAC_900, reg900 & ~0x10000);
701 NVWriteCRTC(dev, head, NV_PCRTC_CONFIG, regp->crtc_cfg);
703 wr_cio_state(dev, head, regp, NV_CIO_CRE_RPC0_INDEX);
704 wr_cio_state(dev, head, regp, NV_CIO_CRE_RPC1_INDEX);
705 wr_cio_state(dev, head, regp, NV_CIO_CRE_LSR_INDEX);
706 wr_cio_state(dev, head, regp, NV_CIO_CRE_PIXEL_INDEX);
707 wr_cio_state(dev, head, regp, NV_CIO_CRE_LCD__INDEX);
708 wr_cio_state(dev, head, regp, NV_CIO_CRE_HEB__INDEX);
709 wr_cio_state(dev, head, regp, NV_CIO_CRE_ENH_INDEX);
710 wr_cio_state(dev, head, regp, NV_CIO_CRE_FF_INDEX);
711 wr_cio_state(dev, head, regp, NV_CIO_CRE_FFLWM__INDEX);
713 if (dev_priv->card_type >= NV_20)
714 wr_cio_state(dev, head, regp, NV_CIO_CRE_47);
716 if (dev_priv->card_type >= NV_30)
717 wr_cio_state(dev, head, regp, 0x9f);
719 wr_cio_state(dev, head, regp, NV_CIO_CRE_49);
720 wr_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR0_INDEX);
721 wr_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR1_INDEX);
722 wr_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR2_INDEX);
723 if (dev_priv->card_type == NV_40)
724 nv_fix_nv40_hw_cursor(dev, head);
725 wr_cio_state(dev, head, regp, NV_CIO_CRE_ILACE__INDEX);
727 wr_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH3__INDEX);
728 wr_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH4__INDEX);
729 if (dev_priv->card_type >= NV_10) {
730 wr_cio_state(dev, head, regp, NV_CIO_CRE_EBR_INDEX);
731 wr_cio_state(dev, head, regp, NV_CIO_CRE_CSB);
732 wr_cio_state(dev, head, regp, NV_CIO_CRE_4B);
733 wr_cio_state(dev, head, regp, NV_CIO_CRE_TVOUT_LATENCY);
735 /* NV11 and NV20 stop at 0x52. */
736 if (nv_gf4_disp_arch(dev)) {
737 if (dev_priv->card_type == NV_10) {
738 /* Not waiting for vertical retrace before modifying
739 CRE_53/CRE_54 causes lockups. */
740 nouveau_wait_eq(dev, 650000000, NV_PRMCIO_INP0__COLOR, 0x8, 0x8);
741 nouveau_wait_eq(dev, 650000000, NV_PRMCIO_INP0__COLOR, 0x8, 0x0);
744 wr_cio_state(dev, head, regp, NV_CIO_CRE_42);
745 wr_cio_state(dev, head, regp, NV_CIO_CRE_53);
746 wr_cio_state(dev, head, regp, NV_CIO_CRE_54);
748 for (i = 0; i < 0x10; i++)
749 NVWriteVgaCrtc5758(dev, head, i, regp->CR58[i]);
750 wr_cio_state(dev, head, regp, NV_CIO_CRE_59);
751 wr_cio_state(dev, head, regp, NV_CIO_CRE_5B);
753 wr_cio_state(dev, head, regp, NV_CIO_CRE_85);
754 wr_cio_state(dev, head, regp, NV_CIO_CRE_86);
757 NVWriteCRTC(dev, head, NV_PCRTC_START, regp->fb_start);
761 nv_save_state_palette(struct drm_device *dev, int head,
762 struct nv04_mode_state *state)
764 int head_offset = head * NV_PRMDIO_SIZE, i;
766 nv_wr08(dev, NV_PRMDIO_PIXEL_MASK + head_offset,
767 NV_PRMDIO_PIXEL_MASK_MASK);
768 nv_wr08(dev, NV_PRMDIO_READ_MODE_ADDRESS + head_offset, 0x0);
770 for (i = 0; i < 768; i++) {
771 state->crtc_reg[head].DAC[i] = nv_rd08(dev,
772 NV_PRMDIO_PALETTE_DATA + head_offset);
775 NVSetEnablePalette(dev, head, false);
779 nouveau_hw_load_state_palette(struct drm_device *dev, int head,
780 struct nv04_mode_state *state)
782 int head_offset = head * NV_PRMDIO_SIZE, i;
784 nv_wr08(dev, NV_PRMDIO_PIXEL_MASK + head_offset,
785 NV_PRMDIO_PIXEL_MASK_MASK);
786 nv_wr08(dev, NV_PRMDIO_WRITE_MODE_ADDRESS + head_offset, 0x0);
788 for (i = 0; i < 768; i++) {
789 nv_wr08(dev, NV_PRMDIO_PALETTE_DATA + head_offset,
790 state->crtc_reg[head].DAC[i]);
793 NVSetEnablePalette(dev, head, false);
796 void nouveau_hw_save_state(struct drm_device *dev, int head,
797 struct nv04_mode_state *state)
799 struct drm_nouveau_private *dev_priv = dev->dev_private;
801 if (dev_priv->chipset == 0x11)
802 /* NB: no attempt is made to restore the bad pll later on */
803 nouveau_hw_fix_bad_vpll(dev, head);
804 nv_save_state_ramdac(dev, head, state);
805 nv_save_state_vga(dev, head, state);
806 nv_save_state_palette(dev, head, state);
807 nv_save_state_ext(dev, head, state);
810 void nouveau_hw_load_state(struct drm_device *dev, int head,
811 struct nv04_mode_state *state)
813 NVVgaProtect(dev, head, true);
814 nv_load_state_ramdac(dev, head, state);
815 nv_load_state_ext(dev, head, state);
816 nouveau_hw_load_state_palette(dev, head, state);
817 nv_load_state_vga(dev, head, state);
818 NVVgaProtect(dev, head, false);