diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv04/hw.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/dispnv04/hw.c | 827 |
1 files changed, 827 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv04/hw.c b/drivers/gpu/drm/nouveau/dispnv04/hw.c new file mode 100644 index 00000000000..973056b8620 --- /dev/null +++ b/drivers/gpu/drm/nouveau/dispnv04/hw.c @@ -0,0 +1,827 @@ +/* + * Copyright 2006 Dave Airlie + * Copyright 2007 Maarten Maathuis + * Copyright 2007-2009 Stuart Bennett + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <drm/drmP.h> +#include "nouveau_drm.h" +#include "hw.h" + +#include <subdev/bios/pll.h> +#include <subdev/clock.h> +#include <subdev/timer.h> + +#define CHIPSET_NFORCE 0x01a0 +#define CHIPSET_NFORCE2 0x01f0 + +/* + * misc hw access wrappers/control functions + */ + +void +NVWriteVgaSeq(struct drm_device *dev, int head, uint8_t index, uint8_t value) +{ + NVWritePRMVIO(dev, head, NV_PRMVIO_SRX, index); + NVWritePRMVIO(dev, head, NV_PRMVIO_SR, value); +} + +uint8_t +NVReadVgaSeq(struct drm_device *dev, int head, uint8_t index) +{ + NVWritePRMVIO(dev, head, NV_PRMVIO_SRX, index); + return NVReadPRMVIO(dev, head, NV_PRMVIO_SR); +} + +void +NVWriteVgaGr(struct drm_device *dev, int head, uint8_t index, uint8_t value) +{ + NVWritePRMVIO(dev, head, NV_PRMVIO_GRX, index); + NVWritePRMVIO(dev, head, NV_PRMVIO_GX, value); +} + +uint8_t +NVReadVgaGr(struct drm_device *dev, int head, uint8_t index) +{ + NVWritePRMVIO(dev, head, NV_PRMVIO_GRX, index); + return NVReadPRMVIO(dev, head, NV_PRMVIO_GX); +} + +/* CR44 takes values 0 (head A), 3 (head B) and 4 (heads tied) + * it affects only the 8 bit vga io regs, which we access using mmio at + * 0xc{0,2}3c*, 0x60{1,3}3*, and 0x68{1,3}3d* + * in general, the set value of cr44 does not matter: reg access works as + * expected and values can be set for the appropriate head by using a 0x2000 + * offset as required + * however: + * a) pre nv40, the head B range of PRMVIO regs at 0xc23c* was not exposed and + * cr44 must be set to 0 or 3 for accessing values on the correct head + * through the common 0xc03c* addresses + * b) in tied mode (4) head B is programmed to the values set on head A, and + * access using the head B addresses can have strange results, ergo we leave + * tied mode in init once we know to what cr44 should be restored on exit + * + * the owner parameter is slightly abused: + * 0 and 1 are treated as head values and so the set value is (owner * 3) + * other values are treated as literal values to set + */ +void +NVSetOwner(struct drm_device *dev, int owner) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + + if (owner == 1) + owner *= 3; + + if (nv_device(drm->device)->chipset == 0x11) { + /* This might seem stupid, but the blob does it and + * omitting it often locks the system up. + */ + NVReadVgaCrtc(dev, 0, NV_CIO_SR_LOCK_INDEX); + NVReadVgaCrtc(dev, 1, NV_CIO_SR_LOCK_INDEX); + } + + /* CR44 is always changed on CRTC0 */ + NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_44, owner); + + if (nv_device(drm->device)->chipset == 0x11) { /* set me harder */ + NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_2E, owner); + NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_2E, owner); + } +} + +void +NVBlankScreen(struct drm_device *dev, int head, bool blank) +{ + unsigned char seq1; + + if (nv_two_heads(dev)) + NVSetOwner(dev, head); + + seq1 = NVReadVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX); + + NVVgaSeqReset(dev, head, true); + if (blank) + NVWriteVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX, seq1 | 0x20); + else + NVWriteVgaSeq(dev, head, NV_VIO_SR_CLOCK_INDEX, seq1 & ~0x20); + NVVgaSeqReset(dev, head, false); +} + +/* + * PLL getting + */ + +static void +nouveau_hw_decode_pll(struct drm_device *dev, uint32_t reg1, uint32_t pll1, + uint32_t pll2, struct nouveau_pll_vals *pllvals) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + + /* to force parsing as single stage (i.e. nv40 vplls) pass pll2 as 0 */ + + /* log2P is & 0x7 as never more than 7, and nv30/35 only uses 3 bits */ + pllvals->log2P = (pll1 >> 16) & 0x7; + pllvals->N2 = pllvals->M2 = 1; + + if (reg1 <= 0x405c) { + pllvals->NM1 = pll2 & 0xffff; + /* single stage NVPLL and VPLLs use 1 << 8, MPLL uses 1 << 12 */ + if (!(pll1 & 0x1100)) + pllvals->NM2 = pll2 >> 16; + } else { + pllvals->NM1 = pll1 & 0xffff; + if (nv_two_reg_pll(dev) && pll2 & NV31_RAMDAC_ENABLE_VCO2) + pllvals->NM2 = pll2 & 0xffff; + else if (nv_device(drm->device)->chipset == 0x30 || nv_device(drm->device)->chipset == 0x35) { + pllvals->M1 &= 0xf; /* only 4 bits */ + if (pll1 & NV30_RAMDAC_ENABLE_VCO2) { + pllvals->M2 = (pll1 >> 4) & 0x7; + pllvals->N2 = ((pll1 >> 21) & 0x18) | + ((pll1 >> 19) & 0x7); + } + } + } +} + +int +nouveau_hw_get_pllvals(struct drm_device *dev, enum nvbios_pll_type plltype, + struct nouveau_pll_vals *pllvals) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + struct nouveau_device *device = nv_device(drm->device); + struct nouveau_bios *bios = nouveau_bios(device); + uint32_t reg1, pll1, pll2 = 0; + struct nvbios_pll pll_lim; + int ret; + + ret = nvbios_pll_parse(bios, plltype, &pll_lim); + if (ret || !(reg1 = pll_lim.reg)) + return -ENOENT; + + pll1 = nv_rd32(device, reg1); + if (reg1 <= 0x405c) + pll2 = nv_rd32(device, reg1 + 4); + else if (nv_two_reg_pll(dev)) { + uint32_t reg2 = reg1 + (reg1 == NV_RAMDAC_VPLL2 ? 0x5c : 0x70); + + pll2 = nv_rd32(device, reg2); + } + + if (nv_device(drm->device)->card_type == 0x40 && reg1 >= NV_PRAMDAC_VPLL_COEFF) { + uint32_t ramdac580 = NVReadRAMDAC(dev, 0, NV_PRAMDAC_580); + + /* check whether vpll has been forced into single stage mode */ + if (reg1 == NV_PRAMDAC_VPLL_COEFF) { + if (ramdac580 & NV_RAMDAC_580_VPLL1_ACTIVE) + pll2 = 0; + } else + if (ramdac580 & NV_RAMDAC_580_VPLL2_ACTIVE) + pll2 = 0; + } + + nouveau_hw_decode_pll(dev, reg1, pll1, pll2, pllvals); + pllvals->refclk = pll_lim.refclk; + return 0; +} + +int +nouveau_hw_pllvals_to_clk(struct nouveau_pll_vals *pv) +{ + /* Avoid divide by zero if called at an inappropriate time */ + if (!pv->M1 || !pv->M2) + return 0; + + return pv->N1 * pv->N2 * pv->refclk / (pv->M1 * pv->M2) >> pv->log2P; +} + +int +nouveau_hw_get_clock(struct drm_device *dev, enum nvbios_pll_type plltype) +{ + struct nouveau_pll_vals pllvals; + int ret; + + if (plltype == PLL_MEMORY && + (dev->pci_device & 0x0ff0) == CHIPSET_NFORCE) { + uint32_t mpllP; + + pci_read_config_dword(pci_get_bus_and_slot(0, 3), 0x6c, &mpllP); + if (!mpllP) + mpllP = 4; + + return 400000 / mpllP; + } else + if (plltype == PLL_MEMORY && + (dev->pci_device & 0xff0) == CHIPSET_NFORCE2) { + uint32_t clock; + + pci_read_config_dword(pci_get_bus_and_slot(0, 5), 0x4c, &clock); + return clock; + } + + ret = nouveau_hw_get_pllvals(dev, plltype, &pllvals); + if (ret) + return ret; + + return nouveau_hw_pllvals_to_clk(&pllvals); +} + +static void +nouveau_hw_fix_bad_vpll(struct drm_device *dev, int head) +{ + /* the vpll on an unused head can come up with a random value, way + * beyond the pll limits. for some reason this causes the chip to + * lock up when reading the dac palette regs, so set a valid pll here + * when such a condition detected. only seen on nv11 to date + */ + + struct nouveau_drm *drm = nouveau_drm(dev); + struct nouveau_device *device = nv_device(drm->device); + struct nouveau_clock *clk = nouveau_clock(device); + struct nouveau_bios *bios = nouveau_bios(device); + struct nvbios_pll pll_lim; + struct nouveau_pll_vals pv; + enum nvbios_pll_type pll = head ? PLL_VPLL1 : PLL_VPLL0; + + if (nvbios_pll_parse(bios, pll, &pll_lim)) + return; + nouveau_hw_get_pllvals(dev, pll, &pv); + + if (pv.M1 >= pll_lim.vco1.min_m && pv.M1 <= pll_lim.vco1.max_m && + pv.N1 >= pll_lim.vco1.min_n && pv.N1 <= pll_lim.vco1.max_n && + pv.log2P <= pll_lim.max_p) + return; + + NV_WARN(drm, "VPLL %d outwith limits, attempting to fix\n", head + 1); + + /* set lowest clock within static limits */ + pv.M1 = pll_lim.vco1.max_m; + pv.N1 = pll_lim.vco1.min_n; + pv.log2P = pll_lim.max_p_usable; + clk->pll_prog(clk, pll_lim.reg, &pv); +} + +/* + * vga font save/restore + */ + +static void nouveau_vga_font_io(struct drm_device *dev, + void __iomem *iovram, + bool save, unsigned plane) +{ + unsigned i; + + NVWriteVgaSeq(dev, 0, NV_VIO_SR_PLANE_MASK_INDEX, 1 << plane); + NVWriteVgaGr(dev, 0, NV_VIO_GX_READ_MAP_INDEX, plane); + for (i = 0; i < 16384; i++) { + if (save) { + nv04_display(dev)->saved_vga_font[plane][i] = + ioread32_native(iovram + i * 4); + } else { + iowrite32_native(nv04_display(dev)->saved_vga_font[plane][i], + iovram + i * 4); + } + } +} + +void +nouveau_hw_save_vga_fonts(struct drm_device *dev, bool save) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + uint8_t misc, gr4, gr5, gr6, seq2, seq4; + bool graphicsmode; + unsigned plane; + void __iomem *iovram; + + if (nv_two_heads(dev)) + NVSetOwner(dev, 0); + + NVSetEnablePalette(dev, 0, true); + graphicsmode = NVReadVgaAttr(dev, 0, NV_CIO_AR_MODE_INDEX) & 1; + NVSetEnablePalette(dev, 0, false); + + if (graphicsmode) /* graphics mode => framebuffer => no need to save */ + return; + + NV_INFO(drm, "%sing VGA fonts\n", save ? "Sav" : "Restor"); + + /* map first 64KiB of VRAM, holds VGA fonts etc */ + iovram = ioremap(pci_resource_start(dev->pdev, 1), 65536); + if (!iovram) { + NV_ERROR(drm, "Failed to map VRAM, " + "cannot save/restore VGA fonts.\n"); + return; + } + + if (nv_two_heads(dev)) + NVBlankScreen(dev, 1, true); + NVBlankScreen(dev, 0, true); + + /* save control regs */ + misc = NVReadPRMVIO(dev, 0, NV_PRMVIO_MISC__READ); + seq2 = NVReadVgaSeq(dev, 0, NV_VIO_SR_PLANE_MASK_INDEX); + seq4 = NVReadVgaSeq(dev, 0, NV_VIO_SR_MEM_MODE_INDEX); + gr4 = NVReadVgaGr(dev, 0, NV_VIO_GX_READ_MAP_INDEX); + gr5 = NVReadVgaGr(dev, 0, NV_VIO_GX_MODE_INDEX); + gr6 = NVReadVgaGr(dev, 0, NV_VIO_GX_MISC_INDEX); + + NVWritePRMVIO(dev, 0, NV_PRMVIO_MISC__WRITE, 0x67); + NVWriteVgaSeq(dev, 0, NV_VIO_SR_MEM_MODE_INDEX, 0x6); + NVWriteVgaGr(dev, 0, NV_VIO_GX_MODE_INDEX, 0x0); + NVWriteVgaGr(dev, 0, NV_VIO_GX_MISC_INDEX, 0x5); + + /* store font in planes 0..3 */ + for (plane = 0; plane < 4; plane++) + nouveau_vga_font_io(dev, iovram, save, plane); + + /* restore control regs */ + NVWritePRMVIO(dev, 0, NV_PRMVIO_MISC__WRITE, misc); + NVWriteVgaGr(dev, 0, NV_VIO_GX_READ_MAP_INDEX, gr4); + NVWriteVgaGr(dev, 0, NV_VIO_GX_MODE_INDEX, gr5); + NVWriteVgaGr(dev, 0, NV_VIO_GX_MISC_INDEX, gr6); + NVWriteVgaSeq(dev, 0, NV_VIO_SR_PLANE_MASK_INDEX, seq2); + NVWriteVgaSeq(dev, 0, NV_VIO_SR_MEM_MODE_INDEX, seq4); + + if (nv_two_heads(dev)) + NVBlankScreen(dev, 1, false); + NVBlankScreen(dev, 0, false); + + iounmap(iovram); +} + +/* + * mode state save/load + */ + +static void +rd_cio_state(struct drm_device *dev, int head, + struct nv04_crtc_reg *crtcstate, int index) +{ + crtcstate->CRTC[index] = NVReadVgaCrtc(dev, head, index); +} + +static void +wr_cio_state(struct drm_device *dev, int head, + struct nv04_crtc_reg *crtcstate, int index) +{ + NVWriteVgaCrtc(dev, head, index, crtcstate->CRTC[index]); +} + +static void +nv_save_state_ramdac(struct drm_device *dev, int head, + struct nv04_mode_state *state) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + struct nv04_crtc_reg *regp = &state->crtc_reg[head]; + int i; + + if (nv_device(drm->device)->card_type >= NV_10) + regp->nv10_cursync = NVReadRAMDAC(dev, head, NV_RAMDAC_NV10_CURSYNC); + + nouveau_hw_get_pllvals(dev, head ? PLL_VPLL1 : PLL_VPLL0, ®p->pllvals); + state->pllsel = NVReadRAMDAC(dev, 0, NV_PRAMDAC_PLL_COEFF_SELECT); + if (nv_two_heads(dev)) + state->sel_clk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK); + if (nv_device(drm->device)->chipset == 0x11) + regp->dither = NVReadRAMDAC(dev, head, NV_RAMDAC_DITHER_NV11); + + regp->ramdac_gen_ctrl = NVReadRAMDAC(dev, head, NV_PRAMDAC_GENERAL_CONTROL); + + if (nv_gf4_disp_arch(dev)) + regp->ramdac_630 = NVReadRAMDAC(dev, head, NV_PRAMDAC_630); + if (nv_device(drm->device)->chipset >= 0x30) + regp->ramdac_634 = NVReadRAMDAC(dev, head, NV_PRAMDAC_634); + + regp->tv_setup = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_SETUP); + regp->tv_vtotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_VTOTAL); + regp->tv_vskew = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_VSKEW); + regp->tv_vsync_delay = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_VSYNC_DELAY); + regp->tv_htotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_HTOTAL); + regp->tv_hskew = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_HSKEW); + regp->tv_hsync_delay = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_HSYNC_DELAY); + regp->tv_hsync_delay2 = NVReadRAMDAC(dev, head, NV_PRAMDAC_TV_HSYNC_DELAY2); + + for (i = 0; i < 7; i++) { + uint32_t ramdac_reg = NV_PRAMDAC_FP_VDISPLAY_END + (i * 4); + regp->fp_vert_regs[i] = NVReadRAMDAC(dev, head, ramdac_reg); + regp->fp_horiz_regs[i] = NVReadRAMDAC(dev, head, ramdac_reg + 0x20); + } + + if (nv_gf4_disp_arch(dev)) { + regp->dither = NVReadRAMDAC(dev, head, NV_RAMDAC_FP_DITHER); + for (i = 0; i < 3; i++) { + regp->dither_regs[i] = NVReadRAMDAC(dev, head, NV_PRAMDAC_850 + i * 4); + regp->dither_regs[i + 3] = NVReadRAMDAC(dev, head, NV_PRAMDAC_85C + i * 4); + } + } + + regp->fp_control = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL); + regp->fp_debug_0 = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_0); + if (!nv_gf4_disp_arch(dev) && head == 0) { + /* early chips don't allow access to PRAMDAC_TMDS_* without + * the head A FPCLK on (nv11 even locks up) */ + NVWriteRAMDAC(dev, 0, NV_PRAMDAC_FP_DEBUG_0, regp->fp_debug_0 & + ~NV_PRAMDAC_FP_DEBUG_0_PWRDOWN_FPCLK); + } + regp->fp_debug_1 = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_1); + regp->fp_debug_2 = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_2); + + regp->fp_margin_color = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_MARGIN_COLOR); + + if (nv_gf4_disp_arch(dev)) + regp->ramdac_8c0 = NVReadRAMDAC(dev, head, NV_PRAMDAC_8C0); + + if (nv_device(drm->device)->card_type == NV_40) { + regp->ramdac_a20 = NVReadRAMDAC(dev, head, NV_PRAMDAC_A20); + regp->ramdac_a24 = NVReadRAMDAC(dev, head, NV_PRAMDAC_A24); + regp->ramdac_a34 = NVReadRAMDAC(dev, head, NV_PRAMDAC_A34); + + for (i = 0; i < 38; i++) + regp->ctv_regs[i] = NVReadRAMDAC(dev, head, + NV_PRAMDAC_CTV + 4*i); + } +} + +static void +nv_load_state_ramdac(struct drm_device *dev, int head, + struct nv04_mode_state *state) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + struct nouveau_clock *clk = nouveau_clock(drm->device); + struct nv04_crtc_reg *regp = &state->crtc_reg[head]; + uint32_t pllreg = head ? NV_RAMDAC_VPLL2 : NV_PRAMDAC_VPLL_COEFF; + int i; + + if (nv_device(drm->device)->card_type >= NV_10) + NVWriteRAMDAC(dev, head, NV_RAMDAC_NV10_CURSYNC, regp->nv10_cursync); + + clk->pll_prog(clk, pllreg, ®p->pllvals); + NVWriteRAMDAC(dev, 0, NV_PRAMDAC_PLL_COEFF_SELECT, state->pllsel); + if (nv_two_heads(dev)) + NVWriteRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK, state->sel_clk); + if (nv_device(drm->device)->chipset == 0x11) + NVWriteRAMDAC(dev, head, NV_RAMDAC_DITHER_NV11, regp->dither); + + NVWriteRAMDAC(dev, head, NV_PRAMDAC_GENERAL_CONTROL, regp->ramdac_gen_ctrl); + + if (nv_gf4_disp_arch(dev)) + NVWriteRAMDAC(dev, head, NV_PRAMDAC_630, regp->ramdac_630); + if (nv_device(drm->device)->chipset >= 0x30) + NVWriteRAMDAC(dev, head, NV_PRAMDAC_634, regp->ramdac_634); + + NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_SETUP, regp->tv_setup); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_VTOTAL, regp->tv_vtotal); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_VSKEW, regp->tv_vskew); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_VSYNC_DELAY, regp->tv_vsync_delay); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_HTOTAL, regp->tv_htotal); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_HSKEW, regp->tv_hskew); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_HSYNC_DELAY, regp->tv_hsync_delay); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_HSYNC_DELAY2, regp->tv_hsync_delay2); + + for (i = 0; i < 7; i++) { + uint32_t ramdac_reg = NV_PRAMDAC_FP_VDISPLAY_END + (i * 4); + + NVWriteRAMDAC(dev, head, ramdac_reg, regp->fp_vert_regs[i]); + NVWriteRAMDAC(dev, head, ramdac_reg + 0x20, regp->fp_horiz_regs[i]); + } + + if (nv_gf4_disp_arch(dev)) { + NVWriteRAMDAC(dev, head, NV_RAMDAC_FP_DITHER, regp->dither); + for (i = 0; i < 3; i++) { + NVWriteRAMDAC(dev, head, NV_PRAMDAC_850 + i * 4, regp->dither_regs[i]); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_85C + i * 4, regp->dither_regs[i + 3]); + } + } + + NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL, regp->fp_control); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_0, regp->fp_debug_0); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_1, regp->fp_debug_1); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_DEBUG_2, regp->fp_debug_2); + + NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_MARGIN_COLOR, regp->fp_margin_color); + + if (nv_gf4_disp_arch(dev)) + NVWriteRAMDAC(dev, head, NV_PRAMDAC_8C0, regp->ramdac_8c0); + + if (nv_device(drm->device)->card_type == NV_40) { + NVWriteRAMDAC(dev, head, NV_PRAMDAC_A20, regp->ramdac_a20); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_A24, regp->ramdac_a24); + NVWriteRAMDAC(dev, head, NV_PRAMDAC_A34, regp->ramdac_a34); + + for (i = 0; i < 38; i++) + NVWriteRAMDAC(dev, head, + NV_PRAMDAC_CTV + 4*i, regp->ctv_regs[i]); + } +} + +static void +nv_save_state_vga(struct drm_device *dev, int head, + struct nv04_mode_state *state) +{ + struct nv04_crtc_reg *regp = &state->crtc_reg[head]; + int i; + + regp->MiscOutReg = NVReadPRMVIO(dev, head, NV_PRMVIO_MISC__READ); + + for (i = 0; i < 25; i++) + rd_cio_state(dev, head, regp, i); + + NVSetEnablePalette(dev, head, true); + for (i = 0; i < 21; i++) + regp->Attribute[i] = NVReadVgaAttr(dev, head, i); + NVSetEnablePalette(dev, head, false); + + for (i = 0; i < 9; i++) + regp->Graphics[i] = NVReadVgaGr(dev, head, i); + + for (i = 0; i < 5; i++) + regp->Sequencer[i] = NVReadVgaSeq(dev, head, i); +} + +static void +nv_load_state_vga(struct drm_device *dev, int head, + struct nv04_mode_state *state) +{ + struct nv04_crtc_reg *regp = &state->crtc_reg[head]; + int i; + + NVWritePRMVIO(dev, head, NV_PRMVIO_MISC__WRITE, regp->MiscOutReg); + + for (i = 0; i < 5; i++) + NVWriteVgaSeq(dev, head, i, regp->Sequencer[i]); + + nv_lock_vga_crtc_base(dev, head, false); + for (i = 0; i < 25; i++) + wr_cio_state(dev, head, regp, i); + nv_lock_vga_crtc_base(dev, head, true); + + for (i = 0; i < 9; i++) + NVWriteVgaGr(dev, head, i, regp->Graphics[i]); + + NVSetEnablePalette(dev, head, true); + for (i = 0; i < 21; i++) + NVWriteVgaAttr(dev, head, i, regp->Attribute[i]); + NVSetEnablePalette(dev, head, false); +} + +static void +nv_save_state_ext(struct drm_device *dev, int head, + struct nv04_mode_state *state) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + struct nv04_crtc_reg *regp = &state->crtc_reg[head]; + int i; + + rd_cio_state(dev, head, regp, NV_CIO_CRE_LCD__INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_RPC0_INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_RPC1_INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_LSR_INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_PIXEL_INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_HEB__INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_ENH_INDEX); + + rd_cio_state(dev, head, regp, NV_CIO_CRE_FF_INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_FFLWM__INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_21); + + if (nv_device(drm->device)->card_type >= NV_20) + rd_cio_state(dev, head, regp, NV_CIO_CRE_47); + + if (nv_device(drm->device)->card_type >= NV_30) + rd_cio_state(dev, head, regp, 0x9f); + + rd_cio_state(dev, head, regp, NV_CIO_CRE_49); + rd_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR0_INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR1_INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR2_INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_ILACE__INDEX); + + if (nv_device(drm->device)->card_type >= NV_10) { + regp->crtc_830 = NVReadCRTC(dev, head, NV_PCRTC_830); + regp->crtc_834 = NVReadCRTC(dev, head, NV_PCRTC_834); + + if (nv_device(drm->device)->card_type >= NV_30) + regp->gpio_ext = NVReadCRTC(dev, head, NV_PCRTC_GPIO_EXT); + + if (nv_device(drm->device)->card_type == NV_40) + regp->crtc_850 = NVReadCRTC(dev, head, NV_PCRTC_850); + + if (nv_two_heads(dev)) + regp->crtc_eng_ctrl = NVReadCRTC(dev, head, NV_PCRTC_ENGINE_CTRL); + regp->cursor_cfg = NVReadCRTC(dev, head, NV_PCRTC_CURSOR_CONFIG); + } + + regp->crtc_cfg = NVReadCRTC(dev, head, NV_PCRTC_CONFIG); + + rd_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH3__INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH4__INDEX); + if (nv_device(drm->device)->card_type >= NV_10) { + rd_cio_state(dev, head, regp, NV_CIO_CRE_EBR_INDEX); + rd_cio_state(dev, head, regp, NV_CIO_CRE_CSB); + rd_cio_state(dev, head, regp, NV_CIO_CRE_4B); + rd_cio_state(dev, head, regp, NV_CIO_CRE_TVOUT_LATENCY); + } + /* NV11 and NV20 don't have this, they stop at 0x52. */ + if (nv_gf4_disp_arch(dev)) { + rd_cio_state(dev, head, regp, NV_CIO_CRE_42); + rd_cio_state(dev, head, regp, NV_CIO_CRE_53); + rd_cio_state(dev, head, regp, NV_CIO_CRE_54); + + for (i = 0; i < 0x10; i++) + regp->CR58[i] = NVReadVgaCrtc5758(dev, head, i); + rd_cio_state(dev, head, regp, NV_CIO_CRE_59); + rd_cio_state(dev, head, regp, NV_CIO_CRE_5B); + + rd_cio_state(dev, head, regp, NV_CIO_CRE_85); + rd_cio_state(dev, head, regp, NV_CIO_CRE_86); + } + + regp->fb_start = NVReadCRTC(dev, head, NV_PCRTC_START); +} + +static void +nv_load_state_ext(struct drm_device *dev, int head, + struct nv04_mode_state *state) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + struct nouveau_device *device = nv_device(drm->device); + struct nouveau_timer *ptimer = nouveau_timer(device); + struct nv04_crtc_reg *regp = &state->crtc_reg[head]; + uint32_t reg900; + int i; + + if (nv_device(drm->device)->card_type >= NV_10) { + if (nv_two_heads(dev)) + /* setting ENGINE_CTRL (EC) *must* come before + * CIO_CRE_LCD, as writing CRE_LCD sets bits 16 & 17 in + * EC that should not be overwritten by writing stale EC + */ + NVWriteCRTC(dev, head, NV_PCRTC_ENGINE_CTRL, regp->crtc_eng_ctrl); + + nv_wr32(device, NV_PVIDEO_STOP, 1); + nv_wr32(device, NV_PVIDEO_INTR_EN, 0); + nv_wr32(device, NV_PVIDEO_OFFSET_BUFF(0), 0); + nv_wr32(device, NV_PVIDEO_OFFSET_BUFF(1), 0); + nv_wr32(device, NV_PVIDEO_LIMIT(0), 0); //drm->fb_available_size - 1); + nv_wr32(device, NV_PVIDEO_LIMIT(1), 0); //drm->fb_available_size - 1); + nv_wr32(device, NV_PVIDEO_UVPLANE_LIMIT(0), 0); //drm->fb_available_size - 1); + nv_wr32(device, NV_PVIDEO_UVPLANE_LIMIT(1), 0); //drm->fb_available_size - 1); + nv_wr32(device, NV_PBUS_POWERCTRL_2, 0); + + NVWriteCRTC(dev, head, NV_PCRTC_CURSOR_CONFIG, regp->cursor_cfg); + NVWriteCRTC(dev, head, NV_PCRTC_830, regp->crtc_830); + NVWriteCRTC(dev, head, NV_PCRTC_834, regp->crtc_834); + + if (nv_device(drm->device)->card_type >= NV_30) + NVWriteCRTC(dev, head, NV_PCRTC_GPIO_EXT, regp->gpio_ext); + + if (nv_device(drm->device)->card_type == NV_40) { + NVWriteCRTC(dev, head, NV_PCRTC_850, regp->crtc_850); + + reg900 = NVReadRAMDAC(dev, head, NV_PRAMDAC_900); + if (regp->crtc_cfg == NV10_PCRTC_CONFIG_START_ADDRESS_HSYNC) + NVWriteRAMDAC(dev, head, NV_PRAMDAC_900, reg900 | 0x10000); + else + NVWriteRAMDAC(dev, head, NV_PRAMDAC_900, reg900 & ~0x10000); + } + } + + NVWriteCRTC(dev, head, NV_PCRTC_CONFIG, regp->crtc_cfg); + + wr_cio_state(dev, head, regp, NV_CIO_CRE_RPC0_INDEX); + wr_cio_state(dev, head, regp, NV_CIO_CRE_RPC1_INDEX); + wr_cio_state(dev, head, regp, NV_CIO_CRE_LSR_INDEX); + wr_cio_state(dev, head, regp, NV_CIO_CRE_PIXEL_INDEX); + wr_cio_state(dev, head, regp, NV_CIO_CRE_LCD__INDEX); + wr_cio_state(dev, head, regp, NV_CIO_CRE_HEB__INDEX); + wr_cio_state(dev, head, regp, NV_CIO_CRE_ENH_INDEX); + wr_cio_state(dev, head, regp, NV_CIO_CRE_FF_INDEX); + wr_cio_state(dev, head, regp, NV_CIO_CRE_FFLWM__INDEX); + + if (nv_device(drm->device)->card_type >= NV_20) + wr_cio_state(dev, head, regp, NV_CIO_CRE_47); + + if (nv_device(drm->device)->card_type >= NV_30) + wr_cio_state(dev, head, regp, 0x9f); + + wr_cio_state(dev, head, regp, NV_CIO_CRE_49); + wr_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR0_INDEX); + wr_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR1_INDEX); + wr_cio_state(dev, head, regp, NV_CIO_CRE_HCUR_ADDR2_INDEX); + if (nv_device(drm->device)->card_type == NV_40) + nv_fix_nv40_hw_cursor(dev, head); + wr_cio_state(dev, head, regp, NV_CIO_CRE_ILACE__INDEX); + + wr_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH3__INDEX); + wr_cio_state(dev, head, regp, NV_CIO_CRE_SCRATCH4__INDEX); + if (nv_device(drm->device)->card_type >= NV_10) { + wr_cio_state(dev, head, regp, NV_CIO_CRE_EBR_INDEX); + wr_cio_state(dev, head, regp, NV_CIO_CRE_CSB); + wr_cio_state(dev, head, regp, NV_CIO_CRE_4B); + wr_cio_state(dev, head, regp, NV_CIO_CRE_TVOUT_LATENCY); + } + /* NV11 and NV20 stop at 0x52. */ + if (nv_gf4_disp_arch(dev)) { + if (nv_device(drm->device)->card_type == NV_10) { + /* Not waiting for vertical retrace before modifying + CRE_53/CRE_54 causes lockups. */ + nouveau_timer_wait_eq(ptimer, 650000000, NV_PRMCIO_INP0__COLOR, 0x8, 0x8); + nouveau_timer_wait_eq(ptimer, 650000000, NV_PRMCIO_INP0__COLOR, 0x8, 0x0); + } + + wr_cio_state(dev, head, regp, NV_CIO_CRE_42); + wr_cio_state(dev, head, regp, NV_CIO_CRE_53); + wr_cio_state(dev, head, regp, NV_CIO_CRE_54); + + for (i = 0; i < 0x10; i++) + NVWriteVgaCrtc5758(dev, head, i, regp->CR58[i]); + wr_cio_state(dev, head, regp, NV_CIO_CRE_59); + wr_cio_state(dev, head, regp, NV_CIO_CRE_5B); + + wr_cio_state(dev, head, regp, NV_CIO_CRE_85); + wr_cio_state(dev, head, regp, NV_CIO_CRE_86); + } + + NVWriteCRTC(dev, head, NV_PCRTC_START, regp->fb_start); +} + +static void +nv_save_state_palette(struct drm_device *dev, int head, + struct nv04_mode_state *state) +{ + struct nouveau_device *device = nouveau_dev(dev); + int head_offset = head * NV_PRMDIO_SIZE, i; + + nv_wr08(device, NV_PRMDIO_PIXEL_MASK + head_offset, + NV_PRMDIO_PIXEL_MASK_MASK); + nv_wr08(device, NV_PRMDIO_READ_MODE_ADDRESS + head_offset, 0x0); + + for (i = 0; i < 768; i++) { + state->crtc_reg[head].DAC[i] = nv_rd08(device, + NV_PRMDIO_PALETTE_DATA + head_offset); + } + + NVSetEnablePalette(dev, head, false); +} + +void +nouveau_hw_load_state_palette(struct drm_device *dev, int head, + struct nv04_mode_state *state) +{ + struct nouveau_device *device = nouveau_dev(dev); + int head_offset = head * NV_PRMDIO_SIZE, i; + + nv_wr08(device, NV_PRMDIO_PIXEL_MASK + head_offset, + NV_PRMDIO_PIXEL_MASK_MASK); + nv_wr08(device, NV_PRMDIO_WRITE_MODE_ADDRESS + head_offset, 0x0); + + for (i = 0; i < 768; i++) { + nv_wr08(device, NV_PRMDIO_PALETTE_DATA + head_offset, + state->crtc_reg[head].DAC[i]); + } + + NVSetEnablePalette(dev, head, false); +} + +void nouveau_hw_save_state(struct drm_device *dev, int head, + struct nv04_mode_state *state) +{ + struct nouveau_drm *drm = nouveau_drm(dev); + + if (nv_device(drm->device)->chipset == 0x11) + /* NB: no attempt is made to restore the bad pll later on */ + nouveau_hw_fix_bad_vpll(dev, head); + nv_save_state_ramdac(dev, head, state); + nv_save_state_vga(dev, head, state); + nv_save_state_palette(dev, head, state); + nv_save_state_ext(dev, head, state); +} + +void nouveau_hw_load_state(struct drm_device *dev, int head, + struct nv04_mode_state *state) +{ + NVVgaProtect(dev, head, true); + nv_load_state_ramdac(dev, head, state); + nv_load_state_ext(dev, head, state); + nouveau_hw_load_state_palette(dev, head, state); + nv_load_state_vga(dev, head, state); + NVVgaProtect(dev, head, false); +} |