/* * Copyright 1993-2003 NVIDIA, Corporation * Copyright 2006 Dave Airlie * Copyright 2007 Maarten Maathuis * * 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 (including the next * paragraph) 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 OR COPYRIGHT HOLDERS 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 "drmP.h" #include "drm_crtc_helper.h" #include "nouveau_drv.h" #include "nouveau_encoder.h" #include "nouveau_connector.h" #include "nouveau_crtc.h" #include "nouveau_fb.h" #include "nouveau_hw.h" #include "nvreg.h" static int nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb); static void crtc_wr_cio_state(struct drm_crtc *crtc, struct nv04_crtc_reg *crtcstate, int index) { NVWriteVgaCrtc(crtc->dev, nouveau_crtc(crtc)->index, index, crtcstate->CRTC[index]); } static void nv_crtc_set_digital_vibrance(struct drm_crtc *crtc, int level) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_nouveau_private *dev_priv = crtc->dev->dev_private; struct nv04_crtc_reg *regp = &dev_priv->mode_reg.crtc_reg[nv_crtc->index]; regp->CRTC[NV_CIO_CRE_CSB] = nv_crtc->saturation = level; if (nv_crtc->saturation && nv_gf4_disp_arch(crtc->dev)) { regp->CRTC[NV_CIO_CRE_CSB] = 0x80; regp->CRTC[NV_CIO_CRE_5B] = nv_crtc->saturation << 2; crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_5B); } crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_CSB); } static void nv_crtc_set_image_sharpening(struct drm_crtc *crtc, int level) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_nouveau_private *dev_priv = crtc->dev->dev_private; struct nv04_crtc_reg *regp = &dev_priv->mode_reg.crtc_reg[nv_crtc->index]; nv_crtc->sharpness = level; if (level < 0) /* blur is in hw range 0x3f -> 0x20 */ level += 0x40; regp->ramdac_634 = level; NVWriteRAMDAC(crtc->dev, nv_crtc->index, NV_PRAMDAC_634, regp->ramdac_634); } #define PLLSEL_VPLL1_MASK \ (NV_PRAMDAC_PLL_COEFF_SELECT_SOURCE_PROG_VPLL \ | NV_PRAMDAC_PLL_COEFF_SELECT_VCLK_RATIO_DB2) #define PLLSEL_VPLL2_MASK \ (NV_PRAMDAC_PLL_COEFF_SELECT_PLL_SOURCE_VPLL2 \ | NV_PRAMDAC_PLL_COEFF_SELECT_VCLK2_RATIO_DB2) #define PLLSEL_TV_MASK \ (NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK1 \ | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK1 \ | NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK2 \ | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK2) /* NV4x 0x40.. pll notes: * gpu pll: 0x4000 + 0x4004 * ?gpu? pll: 0x4008 + 0x400c * vpll1: 0x4010 + 0x4014 * vpll2: 0x4018 + 0x401c * mpll: 0x4020 + 0x4024 * mpll: 0x4038 + 0x403c * * the first register of each pair has some unknown details: * bits 0-7: redirected values from elsewhere? (similar to PLL_SETUP_CONTROL?) * bits 20-23: (mpll) something to do with post divider? * bits 28-31: related to single stage mode? (bit 8/12) */ static void nv_crtc_calc_state_ext(struct drm_crtc *crtc, struct drm_display_mode * mode, int dot_clock) { struct drm_device *dev = crtc->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct nv04_mode_state *state = &dev_priv->mode_reg; struct nv04_crtc_reg *regp = &state->crtc_reg[nv_crtc->index]; struct nouveau_pll_vals *pv = ®p->pllvals; struct pll_lims pll_lim; if (get_pll_limits(dev, nv_crtc->index ? VPLL2 : VPLL1, &pll_lim)) return; /* NM2 == 0 is used to determine single stage mode on two stage plls */ pv->NM2 = 0; /* for newer nv4x the blob uses only the first stage of the vpll below a * certain clock. for a certain nv4b this is 150MHz. since the max * output frequency of the first stage for this card is 300MHz, it is * assumed the threshold is given by vco1 maxfreq/2 */ /* for early nv4x, specifically nv40 and *some* nv43 (devids 0 and 6, * not 8, others unknown), the blob always uses both plls. no problem * has yet been observed in allowing the use a single stage pll on all * nv43 however. the behaviour of single stage use is untested on nv40 */ if (dev_priv->chipset > 0x40 && dot_clock <= (pll_lim.vco1.maxfreq / 2)) memset(&pll_lim.vco2, 0, sizeof(pll_lim.vco2)); if (!nouveau_calc_pll_mnp(dev, &pll_lim, dot_clock, pv)) return; state->pllsel &= PLLSEL_VPLL1_MASK | PLLSEL_VPLL2_MASK | PLLSEL_TV_MASK; /* The blob uses this always, so let's do the same */ if (dev_priv->card_type == NV_40) state->pllsel |= NV_PRAMDAC_PLL_COEFF_SELECT_USE_VPLL2_TRUE; /* again nv40 and some nv43 act more like nv3x as described above */ if (dev_priv->chipset < 0x41) state->pllsel |= NV_PRAMDAC_PLL_COEFF_SELECT_SOURCE_PROG_MPLL | NV_PRAMDAC_PLL_COEFF_SELECT_SOURCE_PROG_NVPLL; state->pllsel |= nv_crtc->index ? PLLSEL_VPLL2_MASK : PLLSEL_VPLL1_MASK; if (pv->NM2) NV_DEBUG_KMS(dev, "vpll: n1 %d n2 %d m1 %d m2 %d log2p %d\n", pv->N1, pv->N2, pv->M1, pv->M2, pv->log2P); else NV_DEBUG_KMS(dev, "vpll: n %d m %d log2p %d\n", pv->N1, pv->M1, pv->log2P); nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.offset); } static void nv_crtc_dpms(struct drm_crtc *crtc, int mode) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_device *dev = crtc->dev; struct drm_connector *connector; unsigned char seq1 = 0, crtc17 = 0; unsigned char crtc1A; NV_DEBUG_KMS(dev, "Setting dpms mode %d on CRTC %d\n", mode, nv_crtc->index); if (nv_crtc->last_dpms == mode) /* Don't do unnecesary mode changes. */ return; nv_crtc->last_dpms = mode; if (nv_two_heads(dev)) NVSetOwner(dev, nv_crtc->index); /* nv4ref indicates these two RPC1 bits inhibit h/v sync */ crtc1A = NVReadVgaCrtc(dev, nv_crtc->index, NV_CIO_CRE_RPC1_INDEX) & ~0xC0; switch (mode) { case DRM_MODE_DPMS_STANDBY: /* Screen: Off; HSync: Off, VSync: On -- Not Supported */ seq1 = 0x20; crtc17 = 0x80; crtc1A |= 0x80; break; case DRM_MODE_DPMS_SUSPEND: /* Screen: Off; HSync: On, VSync: Off -- Not Supported */ seq1 = 0x20; crtc17 = 0x80; crtc1A |= 0x40; break; case DRM_MODE_DPMS_OFF: /* Screen: Off; HSync: Off, VSync: Off */ seq1 = 0x20; crtc17 = 0x00; crtc1A |= 0xC0; break; case DRM_MODE_DPMS_ON: default: /* Screen: On; HSync: On, VSync: On */ seq1 = 0x00; crtc17 = 0x80; break; } NVVgaSeqReset(dev, nv_crtc->index, true); /* Each head has it's own sequencer, so we can turn it off when we want */ seq1 |= (NVReadVgaSeq(dev, nv_crtc->index, NV_VIO_SR_CLOCK_INDEX) & ~0x20); NVWriteVgaSeq(dev, nv_crtc->index, NV_VIO_SR_CLOCK_INDEX, seq1); crtc17 |= (NVReadVgaCrtc(dev, nv_crtc->index, NV_CIO_CR_MODE_INDEX) & ~0x80); mdelay(10); NVWriteVgaCrtc(dev, nv_crtc->index, NV_CIO_CR_MODE_INDEX, crtc17); NVVgaSeqReset(dev, nv_crtc->index, false); NVWriteVgaCrtc(dev, nv_crtc->index, NV_CIO_CRE_RPC1_INDEX, crtc1A); /* Update connector polling modes */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) nouveau_connector_set_polling(connector); } static bool nv_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { return true; } static void nv_crtc_mode_set_vga(struct drm_crtc *crtc, struct drm_display_mode *mode) { struct drm_device *dev = crtc->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct nv04_crtc_reg *regp = &dev_priv->mode_reg.crtc_reg[nv_crtc->index]; struct drm_framebuffer *fb = crtc->fb; /* Calculate our timings */ int horizDisplay = (mode->crtc_hdisplay >> 3) - 1; int horizStart = (mode->crtc_hsync_start >> 3) + 1; int horizEnd = (mode->crtc_hsync_end >> 3) + 1; int horizTotal = (mode->crtc_htotal >> 3) - 5; int horizBlankStart = (mode->crtc_hdisplay >> 3) - 1; int horizBlankEnd = (mode->crtc_htotal >> 3) - 1; int vertDisplay = mode->crtc_vdisplay - 1; int vertStart = mode->crtc_vsync_start - 1; int vertEnd = mode->crtc_vsync_end - 1; int vertTotal = mode->crtc_vtotal - 2; int vertBlankStart = mode->crtc_vdisplay - 1; int vertBlankEnd = mode->crtc_vtotal - 1; struct drm_encoder *encoder; bool fp_output = false; list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); if (encoder->crtc == crtc && (nv_encoder->dcb->type == OUTPUT_LVDS || nv_encoder->dcb->type == OUTPUT_TMDS)) fp_output = true; } if (fp_output) { vertStart = vertTotal - 3; vertEnd = vertTotal - 2; vertBlankStart = vertStart; horizStart = horizTotal - 5; horizEnd = horizTotal - 2; horizBlankEnd = horizTotal + 4; #if 0 if (dev->overlayAdaptor && dev_priv->card_type >= NV_10) /* This reportedly works around some video overlay bandwidth problems */ horizTotal += 2; #endif } if (mode->flags & DRM_MODE_FLAG_INTERLACE) vertTotal |= 1; #if 0 ErrorF("horizDisplay: 0x%X \n", horizDisplay); ErrorF("horizStart: 0x%X \n", horizStart); ErrorF("horizEnd: 0x%X \n", horizEnd); ErrorF("horizTotal: 0x%X \n", horizTotal); ErrorF("horizBlankStart: 0x%X \n", horizBlankStart); ErrorF("horizBlankEnd: 0x%X \n", horizBlankEnd); ErrorF("vertDisplay: 0x%X \n", vertDisplay); ErrorF("vertStart: 0x%X \n", vertStart); ErrorF("vertEnd: 0x%X \n", vertEnd); ErrorF("vertTotal: 0x%X \n", vertTotal); ErrorF("vertBlankStart: 0x%X \n", vertBlankStart); ErrorF("vertBlankEnd: 0x%X \n", vertBlankEnd); #endif /* * compute correct Hsync & Vsync polarity */ if ((mode->flags & (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC)) && (mode->flags & (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))) { regp->MiscOutReg = 0x23; if (mode->flags & DRM_MODE_FLAG_NHSYNC) regp->MiscOutReg |= 0x40; if (mode->flags & DRM_MODE_FLAG_NVSYNC) regp->MiscOutReg |= 0x80; } else { int vdisplay = mode->vdisplay; if (mode->flags & DRM_MODE_FLAG_DBLSCAN) vdisplay *= 2; if (mode->vscan > 1) vdisplay *= mode->vscan; if (vdisplay < 400) regp->MiscOutReg = 0xA3; /* +hsync -vsync */ else if (vdisplay < 480) regp->MiscOutReg = 0x63; /* -hsync +vsync */ else if (vdisplay < 768) regp->MiscOutReg = 0xE3; /* -hsync -vsync */ else regp->MiscOutReg = 0x23; /* +hsync +vsync */ } regp->MiscOutReg |= (mode->clock_index & 0x03) << 2; /* * Time Sequencer */ regp->Sequencer[NV_VIO_SR_RESET_INDEX] = 0x00; /* 0x20 disables the sequencer */ if (mode->flags & DRM_MODE_FLAG_CLKDIV2) regp->Sequencer[NV_VIO_SR_CLOCK_INDEX] = 0x29; else regp->Sequencer[NV_VIO_SR_CLOCK_INDEX] = 0x21; regp->Sequencer[NV_VIO_SR_PLANE_MASK_INDEX] = 0x0F; regp->Sequencer[NV_VIO_SR_CHAR_MAP_INDEX] = 0x00; regp->Sequencer[NV_VIO_SR_MEM_MODE_INDEX] = 0x0E; /* * CRTC */ regp->CRTC[NV_CIO_CR_HDT_INDEX] = horizTotal; regp->CRTC[NV_CIO_CR_HDE_INDEX] = horizDisplay; regp->CRTC[NV_CIO_CR_HBS_INDEX] = horizBlankStart; regp->CRTC[NV_CIO_CR_HBE_INDEX] = (1 << 7) | XLATE(horizBlankEnd, 0, NV_CIO_CR_HBE_4_0); regp->CRTC[NV_CIO_CR_HRS_INDEX] = horizStart; regp->CRTC[NV_CIO_CR_HRE_INDEX] = XLATE(horizBlankEnd, 5, NV_CIO_CR_HRE_HBE_5) | XLATE(horizEnd, 0, NV_CIO_CR_HRE_4_0); regp->CRTC[NV_CIO_CR_VDT_INDEX] = vertTotal; regp->CRTC[NV_CIO_CR_OVL_INDEX] = XLATE(vertStart, 9, NV_CIO_CR_OVL_VRS_9) | XLATE(vertDisplay, 9, NV_CIO_CR_OVL_VDE_9) | XLATE(vertTotal, 9, NV_CIO_CR_OVL_VDT_9) | (1 << 4) | XLATE(vertBlankStart, 8, NV_CIO_CR_OVL_VBS_8) | XLATE(vertStart, 8, NV_CIO_CR_OVL_VRS_8) | XLATE(vertDisplay, 8, NV_CIO_CR_OVL_VDE_8) | XLATE(vertTotal, 8, NV_CIO_CR_OVL_VDT_8); regp->CRTC[NV_CIO_CR_RSAL_INDEX] = 0x00; regp->CRTC[NV_CIO_CR_CELL_HT_INDEX] = ((mode->flags & DRM_MODE_FLAG_DBLSCAN) ? MASK(NV_CIO_CR_CELL_HT_SCANDBL) : 0) | 1 << 6 | XLATE(vertBlankStart, 9, NV_CIO_CR_CELL_HT_VBS_9); regp->CRTC[NV_CIO_CR_CURS_ST_INDEX] = 0x00; regp->CRTC[NV_CIO_CR_CURS_END_INDEX] = 0x00; regp->CRTC[NV_CIO_CR_SA_HI_INDEX] = 0x00; regp->CRTC[NV_CIO_CR_SA_LO_INDEX] = 0x00; regp->CRTC[NV_CIO_CR_TCOFF_HI_INDEX] = 0x00; regp->CRTC[NV_CIO_CR_TCOFF_LO_INDEX] = 0x00; regp->CRTC[NV_CIO_CR_VRS_INDEX] = vertStart; regp->CRTC[NV_CIO_CR_VRE_INDEX] = 1 << 5 | XLATE(vertEnd, 0, NV_CIO_CR_VRE_3_0); regp->CRTC[NV_CIO_CR_VDE_INDEX] = vertDisplay; /* framebuffer can be larger than crtc scanout area. */ regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = fb->pitch / 8; regp->CRTC[NV_CIO_CR_ULINE_INDEX] = 0x00; regp->CRTC[NV_CIO_CR_VBS_INDEX] = vertBlankStart; regp->CRTC[NV_CIO_CR_VBE_INDEX] = vertBlankEnd; regp->CRTC[NV_CIO_CR_MODE_INDEX] = 0x43; regp->CRTC[NV_CIO_CR_LCOMP_INDEX] = 0xff; /* * Some extended CRTC registers (they are not saved with the rest of the vga regs). */ /* framebuffer can be larger than crtc scanout area. */ regp->CRTC[NV_CIO_CRE_RPC0_INDEX] = XLATE(fb->pitch / 8, 8, NV_CIO_CRE_RPC0_OFFSET_10_8); regp->CRTC[NV_CIO_CRE_RPC1_INDEX] = mode->crtc_hdisplay < 1280 ? MASK(NV_CIO_CRE_RPC1_LARGE) : 0x00; regp->CRTC[NV_CIO_CRE_LSR_INDEX] = XLATE(horizBlankEnd, 6, NV_CIO_CRE_LSR_HBE_6) | XLATE(vertBlankStart, 10, NV_CIO_CRE_LSR_VBS_10) | XLATE(vertStart, 10, NV_CIO_CRE_LSR_VRS_10) | XLATE(vertDisplay, 10, NV_CIO_CRE_LSR_VDE_10) | XLATE(vertTotal, 10, NV_CIO_CRE_LSR_VDT_10); regp->CRTC[NV_CIO_CRE_HEB__INDEX] = XLATE(horizStart, 8, NV_CIO_CRE_HEB_HRS_8) | XLATE(horizBlankStart, 8, NV_CIO_CRE_HEB_HBS_8) | XLATE(horizDisplay, 8, NV_CIO_CRE_HEB_HDE_8) | XLATE(horizTotal, 8, NV_CIO_CRE_HEB_HDT_8); regp->CRTC[NV_CIO_CRE_EBR_INDEX] = XLATE(vertBlankStart, 11, NV_CIO_CRE_EBR_VBS_11) | XLATE(vertStart, 11, NV_CIO_CRE_EBR_VRS_11) | XLATE(vertDisplay, 11, NV_CIO_CRE_EBR_VDE_11) | XLATE(vertTotal, 11, NV_CIO_CRE_EBR_VDT_11); if (mode->flags & DRM_MODE_FLAG_INTERLACE) { horizTotal = (horizTotal >> 1) & ~1; regp->CRTC[NV_CIO_CRE_ILACE__INDEX] = horizTotal; regp->CRTC[NV_CIO_CRE_HEB__INDEX] |= XLATE(horizTotal, 8, NV_CIO_CRE_HEB_ILC_8); } else regp->CRTC[NV_CIO_CRE_ILACE__INDEX] = 0xff; /* interlace off */ /* * Graphics Display Controller */ regp->Graphics[NV_VIO_GX_SR_INDEX] = 0x00; regp->Graphics[NV_VIO_GX_SREN_INDEX] = 0x00; regp->Graphics[NV_VIO_GX_CCOMP_INDEX] = 0x00; regp->Graphics[NV_VIO_GX_ROP_INDEX] = 0x00; regp->Graphics[NV_VIO_GX_READ_MAP_INDEX] = 0x00; regp->Graphics[NV_VIO_GX_MODE_INDEX] = 0x40; /* 256 color mode */ regp->Graphics[NV_VIO_GX_MISC_INDEX] = 0x05; /* map 64k mem + graphic mode */ regp->Graphics[NV_VIO_GX_DONT_CARE_INDEX] = 0x0F; regp->Graphics[NV_VIO_GX_BIT_MASK_INDEX] = 0xFF; regp->Attribute[0] = 0x00; /* standard colormap translation */ regp->Attribute[1] = 0x01; regp->Attribute[2] = 0x02; regp->Attribute[3] = 0x03; regp->Attribute[4] = 0x04; regp->Attribute[5] = 0x05; regp->Attribute[6] = 0x06; regp->Attribute[7] = 0x07; regp->Attribute[8] = 0x08; regp->Attribute[9] = 0x09; regp->Attribute[10] = 0x0A; regp->Attribute[11] = 0x0B; regp->Attribute[12] = 0x0C; regp->Attribute[13] = 0x0D; regp->Attribute[14] = 0x0E; regp->Attribute[15] = 0x0F; regp->Attribute[NV_CIO_AR_MODE_INDEX] = 0x01; /* Enable graphic mode */ /* Non-vga */ regp->Attribute[NV_CIO_AR_OSCAN_INDEX] = 0x00; regp->Attribute[NV_CIO_AR_PLANE_INDEX] = 0x0F; /* enable all color planes */ regp->Attribute[NV_CIO_AR_HPP_INDEX] = 0x00; regp->Attribute[NV_CIO_AR_CSEL_INDEX] = 0x00; } /** * Sets up registers for the given mode/adjusted_mode pair. * * The clocks, CRTCs and outputs attached to this CRTC must be off. * * This shouldn't enable any clocks, CRTCs, or outputs, but they should * be easily turned on/off after this. */ static void nv_crtc_mode_set_regs(struct drm_crtc *crtc, struct drm_display_mode * mode) { struct drm_device *dev = crtc->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct nv04_crtc_reg *regp = &dev_priv->mode_reg.crtc_reg[nv_crtc->index]; struct nv04_crtc_reg *savep = &dev_priv->saved_reg.crtc_reg[nv_crtc->index]; struct drm_encoder *encoder; bool lvds_output = false, tmds_output = false, tv_output = false, off_chip_digital = false; list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); bool digital = false; if (encoder->crtc != crtc) continue; if (nv_encoder->dcb->type == OUTPUT_LVDS) digital = lvds_output = true; if (nv_encoder->dcb->type == OUTPUT_TV) tv_output = true; if (nv_encoder->dcb->type == OUTPUT_TMDS) digital = tmds_output = true; if (nv_encoder->dcb->location != DCB_LOC_ON_CHIP && digital) off_chip_digital = true; } /* Registers not directly related to the (s)vga mode */ /* What is the meaning of this register? */ /* A few popular values are 0x18, 0x1c, 0x38, 0x3c */ regp->CRTC[NV_CIO_CRE_ENH_INDEX] = savep->CRTC[NV_CIO_CRE_ENH_INDEX] & ~(1<<5); regp->crtc_eng_ctrl = 0; /* Except for rare conditions I2C is enabled on the primary crtc */ if (nv_crtc->index == 0) regp->crtc_eng_ctrl |= NV_CRTC_FSEL_I2C; #if 0 /* Set overlay to desired crtc. */ if (dev->overlayAdaptor) { NVPortPrivPtr pPriv = GET_OVERLAY_PRIVATE(dev); if (pPriv->overlayCRTC == nv_crtc->index) regp->crtc_eng_ctrl |= NV_CRTC_FSEL_OVERLAY; } #endif /* ADDRESS_SPACE_PNVM is the same as setting HCUR_ASI */ regp->cursor_cfg = NV_PCRTC_CURSOR_CONFIG_CUR_LINES_64 | NV_PCRTC_CURSOR_CONFIG_CUR_PIXELS_64 | NV_PCRTC_CURSOR_CONFIG_ADDRESS_SPACE_PNVM; if (dev_priv->chipset >= 0x11) regp->cursor_cfg |= NV_PCRTC_CURSOR_CONFIG_CUR_BPP_32; if (mode->flags & DRM_MODE_FLAG_DBLSCAN) regp->cursor_cfg |= NV_PCRTC_CURSOR_CONFIG_DOUBLE_SCAN_ENABLE; /* Unblock some timings */ regp->CRTC[NV_CIO_CRE_53] = 0; regp->CRTC[NV_CIO_CRE_54] = 0; /* 0x00 is disabled, 0x11 is lvds, 0x22 crt and 0x88 tmds */ if (lvds_output) regp->CRTC[NV_CIO_CRE_SCRATCH3__INDEX] = 0x11; else if (tmds_output) regp->CRTC[NV_CIO_CRE_SCRATCH3__INDEX] = 0x88; else regp->CRTC[NV_CIO_CRE_SCRATCH3__INDEX] = 0x22; /* These values seem to vary */ /* This register seems to be used by the bios to make certain decisions on some G70 cards? */ regp->CRTC[NV_CIO_CRE_SCRATCH4__INDEX] = savep->CRTC[NV_CIO_CRE_SCRATCH4__INDEX]; nv_crtc_set_digital_vibrance(crtc, nv_crtc->saturation); /* probably a scratch reg, but kept for cargo-cult purposes: * bit0: crtc0?, head A * bit6: lvds, head A * bit7: (only in X), head A */ if (nv_crtc->index == 0) regp->CRTC[NV_CIO_CRE_4B] = savep->CRTC[NV_CIO_CRE_4B] | 0x80; /* The blob seems to take the current value from crtc 0, add 4 to that * and reuse the old value for crtc 1 */ regp->CRTC[NV_CIO_CRE_TVOUT_LATENCY] = dev_priv->saved_reg.crtc_reg[0].CRTC[NV_CIO_CRE_TVOUT_LATENCY]; if (!nv_crtc->index) regp->CRTC[NV_CIO_CRE_TVOUT_LATENCY] += 4; /* the blob sometimes sets |= 0x10 (which is the same as setting |= * 1 << 30 on 0x60.830), for no apparent reason */ regp->CRTC[NV_CIO_CRE_59] = off_chip_digital; if (dev_priv->card_type >= NV_30) regp->CRTC[0x9f] = off_chip_digital ? 0x11 : 0x1; regp->crtc_830 = mode->crtc_vdisplay - 3; regp->crtc_834 = mode->crtc_vdisplay - 1; if (dev_priv->card_type == NV_40) /* This is what the blob does */ regp->crtc_850 = NVReadCRTC(dev, 0, NV_PCRTC_850); if (dev_priv->card_type >= NV_30) regp->gpio_ext = NVReadCRTC(dev, 0, NV_PCRTC_GPIO_EXT); regp->crtc_cfg = NV_PCRTC_CONFIG_START_ADDRESS_HSYNC; /* Some misc regs */ if (dev_priv->card_type == NV_40) { regp->CRTC[NV_CIO_CRE_85] = 0xFF; regp->CRTC[NV_CIO_CRE_86] = 0x1; } regp->CRTC[NV_CIO_CRE_PIXEL_INDEX] = (crtc->fb->depth + 1) / 8; /* Enable slaved mode (called MODE_TV in nv4ref.h) */ if (lvds_output || tmds_output || tv_output) regp->CRTC[NV_CIO_CRE_PIXEL_INDEX] |= (1 << 7); /* Generic PRAMDAC regs */ if (dev_priv->card_type >= NV_10) /* Only bit that bios and blob set. */ regp->nv10_cursync = (1 << 25); regp->ramdac_gen_ctrl = NV_PRAMDAC_GENERAL_CONTROL_BPC_8BITS | NV_PRAMDAC_GENERAL_CONTROL_VGA_STATE_SEL | NV_PRAMDAC_GENERAL_CONTROL_PIXMIX_ON; if (crtc->fb->depth == 16) regp->ramdac_gen_ctrl |= NV_PRAMDAC_GENERAL_CONTROL_ALT_MODE_SEL; if (dev_priv->chipset >= 0x11) regp->ramdac_gen_ctrl |= NV_PRAMDAC_GENERAL_CONTROL_PIPE_LONG; regp->ramdac_630 = 0; /* turn off green mode (tv test pattern?) */ regp->tv_setup = 0; nv_crtc_set_image_sharpening(crtc, nv_crtc->sharpness); /* Some values the blob sets */ regp->ramdac_8c0 = 0x100; regp->ramdac_a20 = 0x0; regp->ramdac_a24 = 0xfffff; regp->ramdac_a34 = 0x1; } /** * Sets up registers for the given mode/adjusted_mode pair. * * The clocks, CRTCs and outputs attached to this CRTC must be off. * * This shouldn't enable any clocks, CRTCs, or outputs, but they should * be easily turned on/off after this. */ static int nv_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode, int x, int y, struct drm_framebuffer *old_fb) { struct drm_device *dev = crtc->dev; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_nouveau_private *dev_priv = dev->dev_private; NV_DEBUG_KMS(dev, "CTRC mode on CRTC %d:\n", nv_crtc->index); drm_mode_debug_printmodeline(adjusted_mode); /* unlock must come after turning off FP_TG_CONTROL in output_prepare */ nv_lock_vga_crtc_shadow(dev, nv_crtc->index, -1); nv_crtc_mode_set_vga(crtc, adjusted_mode); /* calculated in nv04_dfp_prepare, nv40 needs it written before calculating PLLs */ if (dev_priv->card_type == NV_40) NVWriteRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK, dev_priv->mode_reg.sel_clk); nv_crtc_mode_set_regs(crtc, adjusted_mode); nv_crtc_calc_state_ext(crtc, mode, adjusted_mode->clock); return 0; } static void nv_crtc_save(struct drm_crtc *crtc) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_nouveau_private *dev_priv = crtc->dev->dev_private; struct nv04_mode_state *state = &dev_priv->mode_reg; struct nv04_crtc_reg *crtc_state = &state->crtc_reg[nv_crtc->index]; struct nv04_mode_state *saved = &dev_priv->saved_reg; struct nv04_crtc_reg *crtc_saved = &saved->crtc_reg[nv_crtc->index]; if (nv_two_heads(crtc->dev)) NVSetOwner(crtc->dev, nv_crtc->index); nouveau_hw_save_state(crtc->dev, nv_crtc->index, saved); /* init some state to saved value */ state->sel_clk = saved->sel_clk & ~(0x5 << 16); crtc_state->CRTC[NV_CIO_CRE_LCD__INDEX] = crtc_saved->CRTC[NV_CIO_CRE_LCD__INDEX]; state->pllsel = saved->pllsel & ~(PLLSEL_VPLL1_MASK | PLLSEL_VPLL2_MASK | PLLSEL_TV_MASK); crtc_state->gpio_ext = crtc_saved->gpio_ext; } static void nv_crtc_restore(struct drm_crtc *crtc) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_nouveau_private *dev_priv = crtc->dev->dev_private; int head = nv_crtc->index; uint8_t saved_cr21 = dev_priv->saved_reg.crtc_reg[head].CRTC[NV_CIO_CRE_21]; if (nv_two_heads(crtc->dev)) NVSetOwner(crtc->dev, head); nouveau_hw_load_state(crtc->dev, head, &dev_priv->saved_reg); nv_lock_vga_crtc_shadow(crtc->dev, head, saved_cr21); nv_crtc->last_dpms = NV_DPMS_CLEARED; } static void nv_crtc_prepare(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_crtc_helper_funcs *funcs = crtc->helper_private; if (nv_two_heads(dev)) NVSetOwner(dev, nv_crtc->index); funcs->dpms(crtc, DRM_MODE_DPMS_OFF); NVBlankScreen(dev, nv_crtc->index, true); /* Some more preperation. */ NVWriteCRTC(dev, nv_crtc->index, NV_PCRTC_CONFIG, NV_PCRTC_CONFIG_START_ADDRESS_NON_VGA); if (dev_priv->card_type == NV_40) { uint32_t reg900 = NVReadRAMDAC(dev, nv_crtc->index, NV_PRAMDAC_900); NVWriteRAMDAC(dev, nv_crtc->index, NV_PRAMDAC_900, reg900 & ~0x10000); } } static void nv_crtc_commit(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct drm_crtc_helper_funcs *funcs = crtc->helper_private; struct drm_nouveau_private *dev_priv = crtc->dev->dev_private; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); nouveau_hw_load_state(dev, nv_crtc->index, &dev_priv->mode_reg); nv04_crtc_mode_set_base(crtc, crtc->x, crtc->y, NULL); #ifdef __BIG_ENDIAN /* turn on LFB swapping */ { uint8_t tmp = NVReadVgaCrtc(dev, nv_crtc->index, NV_CIO_CRE_RCR); tmp |= MASK(NV_CIO_CRE_RCR_ENDIAN_BIG); NVWriteVgaCrtc(dev, nv_crtc->index, NV_CIO_CRE_RCR, tmp); } #endif funcs->dpms(crtc, DRM_MODE_DPMS_ON); } static void nv_crtc_destroy(struct drm_crtc *crtc) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); NV_DEBUG_KMS(crtc->dev, "\n"); if (!nv_crtc) return; drm_crtc_cleanup(crtc); nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo); kfree(nv_crtc); } static void nv_crtc_gamma_load(struct drm_crtc *crtc) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_device *dev = nv_crtc->base.dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct rgb { uint8_t r, g, b; } __attribute__((packed)) *rgbs; int i; rgbs = (struct rgb *)dev_priv->mode_reg.crtc_reg[nv_crtc->index].DAC; for (i = 0; i < 256; i++) { rgbs[i].r = nv_crtc->lut.r[i] >> 8; rgbs[i].g = nv_crtc->lut.g[i] >> 8; rgbs[i].b = nv_crtc->lut.b[i] >> 8; } nouveau_hw_load_state_palette(dev, nv_crtc->index, &dev_priv->mode_reg); } static void nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, uint32_t start, uint32_t size) { int end = (start + size > 256) ? 256 : start + size, i; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); for (i = start; i < end; i++) { nv_crtc->lut.r[i] = r[i]; nv_crtc->lut.g[i] = g[i]; nv_crtc->lut.b[i] = b[i]; } /* We need to know the depth before we upload, but it's possible to * get called before a framebuffer is bound. If this is the case, * mark the lut values as dirty by setting depth==0, and it'll be * uploaded on the first mode_set_base() */ if (!nv_crtc->base.fb) { nv_crtc->lut.depth = 0; return; } nv_crtc_gamma_load(crtc); } static int nv04_crtc_do_mode_set_base(struct drm_crtc *crtc, struct drm_framebuffer *passed_fb, int x, int y, bool atomic) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct drm_device *dev = crtc->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nv04_crtc_reg *regp = &dev_priv->mode_reg.crtc_reg[nv_crtc->index]; struct drm_framebuffer *drm_fb = nv_crtc->base.fb; struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb); int arb_burst, arb_lwm; int ret; /* If atomic, we want to switch to the fb we were passed, so * now we update pointers to do that. (We don't pin; just * assume we're already pinned and update the base address.) */ if (atomic) { drm_fb = passed_fb; fb = nouveau_framebuffer(passed_fb); } else { /* If not atomic, we can go ahead and pin, and unpin the * old fb we were passed. */ ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM); if (ret) return ret; if (passed_fb) { struct nouveau_framebuffer *ofb = nouveau_framebuffer(passed_fb); nouveau_bo_unpin(ofb->nvbo); } } nv_crtc->fb.offset = fb->nvbo->bo.offset; if (nv_crtc->lut.depth != drm_fb->depth) { nv_crtc->lut.depth = drm_fb->depth; nv_crtc_gamma_load(crtc); } /* Update the framebuffer format. */ regp->CRTC[NV_CIO_CRE_PIXEL_INDEX] &= ~3; regp->CRTC[NV_CIO_CRE_PIXEL_INDEX] |= (crtc->fb->depth + 1) / 8; regp->ramdac_gen_ctrl &= ~NV_PRAMDAC_GENERAL_CONTROL_ALT_MODE_SEL; if (crtc->fb->depth == 16) regp->ramdac_gen_ctrl |= NV_PRAMDAC_GENERAL_CONTROL_ALT_MODE_SEL; crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_PIXEL_INDEX); NVWriteRAMDAC(dev, nv_crtc->index, NV_PRAMDAC_GENERAL_CONTROL, regp->ramdac_gen_ctrl); regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = drm_fb->pitch >> 3; regp->CRTC[NV_CIO_CRE_RPC0_INDEX] = XLATE(drm_fb->pitch >> 3, 8, NV_CIO_CRE_RPC0_OFFSET_10_8); crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_RPC0_INDEX); crtc_wr_cio_state(crtc, regp, NV_CIO_CR_OFFSET_INDEX); /* Update the framebuffer location. */ regp->fb_start = nv_crtc->fb.offset & ~3; regp->fb_start += (y * drm_fb->pitch) + (x * drm_fb->bits_per_pixel / 8); NVWriteCRTC(dev, nv_crtc->index, NV_PCRTC_START, regp->fb_start); /* Update the arbitration parameters. */ nouveau_calc_arb(dev, crtc->mode.clock, drm_fb->bits_per_pixel, &arb_burst, &arb_lwm); regp->CRTC[NV_CIO_CRE_FF_INDEX] = arb_burst; regp->CRTC[NV_CIO_CRE_FFLWM__INDEX] = arb_lwm & 0xff; crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_FF_INDEX); crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_FFLWM__INDEX); if (dev_priv->card_type >= NV_30) { regp->CRTC[NV_CIO_CRE_47] = arb_lwm >> 8; crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_47); } return 0; } static int nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) { return nv04_crtc_do_mode_set_base(crtc, old_fb, x, y, false); } static int nv04_crtc_mode_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, int x, int y, int enter) { return nv04_crtc_do_mode_set_base(crtc, fb, x, y, true); } static void nv04_cursor_upload(struct drm_device *dev, struct nouveau_bo *src, struct nouveau_bo *dst) { int width = nv_cursor_width(dev); uint32_t pixel; int i, j; for (i = 0; i < width; i++) { for (j = 0; j < width; j++) { pixel = nouveau_bo_rd32(src, i*64 + j); nouveau_bo_wr16(dst, i*width + j, (pixel & 0x80000000) >> 16 | (pixel & 0xf80000) >> 9 | (pixel & 0xf800) >> 6 | (pixel & 0xf8) >> 3); } } } static void nv11_cursor_upload(struct drm_device *dev, struct nouveau_bo *src, struct nouveau_bo *dst) { uint32_t pixel; int alpha, i; /* nv11+ supports premultiplied (PM), or non-premultiplied (NPM) alpha * cursors (though NPM in combination with fp dithering may not work on * nv11, from "nv" driver history) * NPM mode needs NV_PCRTC_CURSOR_CONFIG_ALPHA_BLEND set and is what the * blob uses, however we get given PM cursors so we use PM mode */ for (i = 0; i < 64 * 64; i++) { pixel = nouveau_bo_rd32(src, i); /* hw gets unhappy if alpha <= rgb values. for a PM image "less * than" shouldn't happen; fix "equal to" case by adding one to * alpha channel (slightly inaccurate, but so is attempting to * get back to NPM images, due to limits of integer precision) */ alpha = pixel >> 24; if (alpha > 0 && alpha < 255) pixel = (pixel & 0x00ffffff) | ((alpha + 1) << 24); #ifdef __BIG_ENDIAN { struct drm_nouveau_private *dev_priv = dev->dev_private; if (dev_priv->chipset == 0x11) { pixel = ((pixel & 0x000000ff) << 24) | ((pixel & 0x0000ff00) << 8) | ((pixel & 0x00ff0000) >> 8) | ((pixel & 0xff000000) >> 24); } } #endif nouveau_bo_wr32(dst, i, pixel); } } static int nv04_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, uint32_t buffer_handle, uint32_t width, uint32_t height) { struct drm_nouveau_private *dev_priv = crtc->dev->dev_private; struct drm_device *dev = dev_priv->dev; struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); struct nouveau_bo *cursor = NULL; struct drm_gem_object *gem; int ret = 0; if (width != 64 || height != 64) return -EINVAL; if (!buffer_handle) { nv_crtc->cursor.hide(nv_crtc, true); return 0; } gem = drm_gem_object_lookup(dev, file_priv, buffer_handle); if (!gem) return -ENOENT; cursor = nouveau_gem_object(gem); ret = nouveau_bo_map(cursor); if (ret) goto out; if (dev_priv->chipset >= 0x11) nv11_cursor_upload(dev, cursor, nv_crtc->cursor.nvbo); else nv04_cursor_upload(dev, cursor, nv_crtc->cursor.nvbo); nouveau_bo_unmap(cursor); nv_crtc->cursor.offset = nv_crtc->cursor.nvbo->bo.offset; nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.offset); nv_crtc->cursor.show(nv_crtc, true); out: drm_gem_object_unreference_unlocked(gem); return ret; } static int nv04_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) { struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); nv_crtc->cursor.set_pos(nv_crtc, x, y); return 0; } static const struct drm_crtc_funcs nv04_crtc_funcs = { .save = nv_crtc_save, .restore = nv_crtc_restore, .cursor_set = nv04_crtc_cursor_set, .cursor_move = nv04_crtc_cursor_move, .gamma_set = nv_crtc_gamma_set, .set_config = drm_crtc_helper_set_config, .destroy = nv_crtc_destroy, }; static const struct drm_crtc_helper_funcs nv04_crtc_helper_funcs = { .dpms = nv_crtc_dpms, .prepare = nv_crtc_prepare, .commit = nv_crtc_commit, .mode_fixup = nv_crtc_mode_fixup, .mode_set = nv_crtc_mode_set, .mode_set_base = nv04_crtc_mode_set_base, .mode_set_base_atomic = nv04_crtc_mode_set_base_atomic, .load_lut = nv_crtc_gamma_load, }; int nv04_crtc_create(struct drm_device *dev, int crtc_num) { struct nouveau_crtc *nv_crtc; int ret, i; nv_crtc = kzalloc(sizeof(*nv_crtc), GFP_KERNEL); if (!nv_crtc) return -ENOMEM; for (i = 0; i < 256; i++) { nv_crtc->lut.r[i] = i << 8; nv_crtc->lut.g[i] = i << 8; nv_crtc->lut.b[i] = i << 8; } nv_crtc->lut.depth = 0; nv_crtc->index = crtc_num; nv_crtc->last_dpms = NV_DPMS_CLEARED; drm_crtc_init(dev, &nv_crtc->base, &nv04_crtc_funcs); drm_crtc_helper_add(&nv_crtc->base, &nv04_crtc_helper_funcs); drm_mode_crtc_set_gamma_size(&nv_crtc->base, 256); ret = nouveau_bo_new(dev, NULL, 64*64*4, 0x100, TTM_PL_FLAG_VRAM, 0, 0x0000, false, true, &nv_crtc->cursor.nvbo); if (!ret) { ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM); if (!ret) ret = nouveau_bo_map(nv_crtc->cursor.nvbo); if (ret) nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo); } nv04_cursor_init(nv_crtc); return 0; }