diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_crtc.c | 1002 |
1 files changed, 1002 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c new file mode 100644 index 00000000000..b9136360605 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nv04_crtc.c @@ -0,0 +1,1002 @@ +/* + * 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_TRACE(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_TRACE(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; + unsigned char seq1 = 0, crtc17 = 0; + unsigned char crtc1A; + + NV_TRACE(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); +} + +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; + + 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(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(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 size) +{ + struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); + int i; + + if (size != 256) + return; + + for (i = 0; i < 256; 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_mode_set_base(struct drm_crtc *crtc, int x, int y, + struct drm_framebuffer *old_fb) +{ + 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; + + ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM); + if (ret) + return ret; + + if (old_fb) { + struct nouveau_framebuffer *ofb = nouveau_framebuffer(old_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 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 -EINVAL; + 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: + mutex_lock(&dev->struct_mutex); + drm_gem_object_unreference(gem); + mutex_unlock(&dev->struct_mutex); + 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, + .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; +} + |