/* * Copyright © 2007 Intel Corporation * * 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. * * Authors: * Eric Anholt * */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "xf86.h" #include "i830.h" #include "xf86Modes.h" #include "i830_display.h" struct i830_hdmi_priv { uint32_t output_reg; uint32_t save_SDVO; }; static int i830_hdmi_mode_valid(xf86OutputPtr output, DisplayModePtr mode) { if (mode->Clock > 165000) return MODE_CLOCK_HIGH; if (mode->Clock < 20000) return MODE_CLOCK_LOW; return MODE_OK; } static Bool i830_hdmi_mode_fixup(xf86OutputPtr output, DisplayModePtr mode, DisplayModePtr adjusted_mode) { /* The HDMI output doesn't need the pixel multiplication that SDVO does, * so no fixup. */ return TRUE; } static void i830_hdmi_mode_set(xf86OutputPtr output, DisplayModePtr mode, DisplayModePtr adjusted_mode) { ScrnInfoPtr pScrn = output->scrn; I830OutputPrivatePtr intel_output = output->driver_private; struct i830_hdmi_priv *dev_priv = intel_output->dev_priv; I830Ptr pI830 = I830PTR(pScrn); xf86CrtcPtr crtc = output->crtc; I830CrtcPrivatePtr intel_crtc = crtc->driver_private; uint32_t sdvox; sdvox = SDVO_ENCODING_HDMI | SDVO_BORDER_ENABLE | SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH; if (intel_crtc->pipe == 1) sdvox |= SDVO_PIPE_B_SELECT; OUTREG(dev_priv->output_reg, sdvox); POSTING_READ(dev_priv->output_reg); } static void i830_hdmi_dpms(xf86OutputPtr output, int mode) { ScrnInfoPtr pScrn = output->scrn; I830OutputPrivatePtr intel_output = output->driver_private; struct i830_hdmi_priv *dev_priv = intel_output->dev_priv; I830Ptr pI830 = I830PTR(pScrn); uint32_t temp; if (mode == DPMSModeOff) { temp = INREG(dev_priv->output_reg); OUTREG(dev_priv->output_reg, temp & ~SDVO_ENABLE); } else { temp = INREG(dev_priv->output_reg); OUTREG(dev_priv->output_reg, temp | SDVO_ENABLE); } } static void i830_hdmi_save(xf86OutputPtr output) { ScrnInfoPtr pScrn = output->scrn; I830OutputPrivatePtr intel_output = output->driver_private; struct i830_hdmi_priv *dev_priv = intel_output->dev_priv; I830Ptr pI830 = I830PTR(pScrn); dev_priv->save_SDVO = INREG(dev_priv->output_reg); } static void i830_hdmi_restore(xf86OutputPtr output) { ScrnInfoPtr pScrn = output->scrn; I830OutputPrivatePtr intel_output = output->driver_private; struct i830_hdmi_priv *dev_priv = intel_output->dev_priv; I830Ptr pI830 = I830PTR(pScrn); OUTREG(dev_priv->output_reg, dev_priv->save_SDVO); } /** * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect HDMI connection. * * \return TRUE if HDMI port is connected. * \return FALSE if HDMI port is disconnected. */ static xf86OutputStatus i830_hdmi_detect(xf86OutputPtr output) { ScrnInfoPtr pScrn = output->scrn; I830OutputPrivatePtr intel_output = output->driver_private; struct i830_hdmi_priv *dev_priv = intel_output->dev_priv; I830Ptr pI830 = I830PTR(pScrn); uint32_t temp, bit; temp = INREG(PORT_HOTPLUG_EN); OUTREG(PORT_HOTPLUG_EN, temp | HDMIB_HOTPLUG_INT_EN | HDMIC_HOTPLUG_INT_EN | HDMID_HOTPLUG_INT_EN); POSTING_READ(PORT_HOTPLUG_EN); switch (dev_priv->output_reg) { case SDVOB: bit = HDMIB_HOTPLUG_INT_STATUS; break; case SDVOC: bit = HDMIC_HOTPLUG_INT_STATUS; break; default: return XF86OutputStatusUnknown; } if ((INREG(PORT_HOTPLUG_STAT) & bit) != 0) return XF86OutputStatusConnected; else return XF86OutputStatusDisconnected; } static void i830_hdmi_destroy (xf86OutputPtr output) { I830OutputPrivatePtr intel_output = output->driver_private; if (intel_output != NULL) { xf86DestroyI2CBusRec(intel_output->pDDCBus, FALSE, FALSE); xfree(intel_output); } } static const xf86OutputFuncsRec i830_hdmi_output_funcs = { .dpms = i830_hdmi_dpms, .save = i830_hdmi_save, .restore = i830_hdmi_restore, .mode_valid = i830_hdmi_mode_valid, .mode_fixup = i830_hdmi_mode_fixup, .prepare = i830_output_prepare, .mode_set = i830_hdmi_mode_set, .commit = i830_output_commit, .detect = i830_hdmi_detect, .get_modes = i830_ddc_get_modes, .destroy = i830_hdmi_destroy }; void i830_hdmi_init(ScrnInfoPtr pScrn, int output_reg) { xf86OutputPtr output; I830OutputPrivatePtr intel_output; struct i830_hdmi_priv *dev_priv; output = xf86OutputCreate(pScrn, &i830_hdmi_output_funcs, (output_reg == SDVOB) ? "HDMI-1" : "HDMI-2"); if (!output) return; intel_output = xnfcalloc(sizeof (I830OutputPrivateRec) + sizeof (struct i830_hdmi_priv), 1); if (intel_output == NULL) { xf86OutputDestroy(output); return; } output->driver_private = intel_output; output->interlaceAllowed = FALSE; output->doubleScanAllowed = FALSE; dev_priv = (struct i830_hdmi_priv *)(intel_output + 1); dev_priv->output_reg = output_reg; intel_output->dev_priv = dev_priv; intel_output->type = I830_OUTPUT_HDMI; intel_output->pipe_mask = ((1 << 0) | (1 << 1)); intel_output->clone_mask = (1 << I830_OUTPUT_HDMI); /* Set up the DDC bus. */ if (output_reg == SDVOB) I830I2CInit(pScrn, &intel_output->pDDCBus, GPIOE, "HDMIDDC_B"); else I830I2CInit(pScrn, &intel_output->pDDCBus, GPIOE, "HDMIDDC_C"); xf86DrvMsg(pScrn->scrnIndex, X_INFO, "HDMI output %d detected\n", 1 + (output_reg - SDVOB)); }