diff options
Diffstat (limited to 'linux-core/intel_crt.c')
| -rw-r--r-- | linux-core/intel_crt.c | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/linux-core/intel_crt.c b/linux-core/intel_crt.c deleted file mode 100644 index 2505d983..00000000 --- a/linux-core/intel_crt.c +++ /dev/null @@ -1,296 +0,0 @@ -/* - * Copyright © 2006-2007 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 <eric@anholt.net> - */ - -#include <linux/i2c.h> -#include "drmP.h" -#include "drm.h" -#include "drm_crtc.h" -#include "drm_crtc_helper.h" -#include "intel_drv.h" -#include "i915_drm.h" -#include "i915_drv.h" - -static void intel_crt_dpms(struct drm_encoder *encoder, int mode) -{ - struct drm_device *dev = encoder->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - u32 temp; - - temp = I915_READ(ADPA); - temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE); - temp &= ~ADPA_DAC_ENABLE; - - switch(mode) { - case DRM_MODE_DPMS_ON: - temp |= ADPA_DAC_ENABLE; - break; - case DRM_MODE_DPMS_STANDBY: - temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE; - break; - case DRM_MODE_DPMS_SUSPEND: - temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE; - break; - case DRM_MODE_DPMS_OFF: - temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE; - break; - } - - I915_WRITE(ADPA, temp); -} - -static void intel_crt_save(struct drm_connector *connector) -{ - -} - -static void intel_crt_restore(struct drm_connector *connector) -{ - -} - -static int intel_crt_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - if (mode->flags & DRM_MODE_FLAG_DBLSCAN) - return MODE_NO_DBLESCAN; - - if (mode->clock > 400000 || mode->clock < 25000) - return MODE_CLOCK_RANGE; - - return MODE_OK; -} - -static bool intel_crt_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - -static void intel_crt_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - - struct drm_device *dev = encoder->dev; - struct drm_crtc *crtc = encoder->crtc; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct drm_i915_private *dev_priv = dev->dev_private; - int dpll_md_reg; - u32 adpa, dpll_md; - - if (intel_crtc->pipe == 0) - dpll_md_reg = DPLL_A_MD; - else - dpll_md_reg = DPLL_B_MD; - - /* - * Disable separate mode multiplier used when cloning SDVO to CRT - * XXX this needs to be adjusted when we really are cloning - */ - if (IS_I965G(dev)) { - dpll_md = I915_READ(dpll_md_reg); - I915_WRITE(dpll_md_reg, - dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK); - } - - adpa = 0; - if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) - adpa |= ADPA_HSYNC_ACTIVE_HIGH; - if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) - adpa |= ADPA_VSYNC_ACTIVE_HIGH; - - if (intel_crtc->pipe == 0) - adpa |= ADPA_PIPE_A_SELECT; - else - adpa |= ADPA_PIPE_B_SELECT; - - I915_WRITE(ADPA, adpa); -} - -/** - * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence. - * - * Not for i915G/i915GM - * - * \return true if CRT is connected. - * \return false if CRT is disconnected. - */ -static bool intel_crt_detect_hotplug(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct drm_i915_private *dev_priv = dev->dev_private; - u32 temp; - - unsigned long timeout = jiffies + msecs_to_jiffies(1000); - - temp = I915_READ(PORT_HOTPLUG_EN); - - I915_WRITE(PORT_HOTPLUG_EN, - temp | CRT_HOTPLUG_FORCE_DETECT | (1 << 5)); - - do { - if (!(I915_READ(PORT_HOTPLUG_EN) & CRT_HOTPLUG_FORCE_DETECT)) - break; - msleep(1); - } while (time_after(timeout, jiffies)); - - if ((I915_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) == - CRT_HOTPLUG_MONITOR_COLOR) - return true; - - return false; -} - -static bool intel_crt_detect_ddc(struct drm_connector *connector) -{ - struct intel_output *intel_output = to_intel_output(connector); - - /* CRT should always be at 0, but check anyway */ - if (intel_output->type != INTEL_OUTPUT_ANALOG) - return false; - - return intel_ddc_probe(intel_output); -} - -static enum drm_connector_status intel_crt_detect(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - - if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) { - if (intel_crt_detect_hotplug(connector)) - return connector_status_connected; - else - return connector_status_disconnected; - } - - if (intel_crt_detect_ddc(connector)) - return connector_status_connected; - - /* TODO use load detect */ - return connector_status_unknown; -} - -static void intel_crt_destroy(struct drm_connector *connector) -{ - struct intel_output *intel_output = to_intel_output(connector); - - intel_i2c_destroy(intel_output->ddc_bus); - drm_sysfs_connector_remove(connector); - drm_connector_cleanup(connector); - kfree(connector); -} - -static int intel_crt_get_modes(struct drm_connector *connector) -{ - struct intel_output *intel_output = to_intel_output(connector); - return intel_ddc_get_modes(intel_output); -} - -static int intel_crt_set_property(struct drm_connector *connector, - struct drm_property *property, - uint64_t value) -{ - struct drm_device *dev = connector->dev; - - if (property == dev->mode_config.dpms_property && connector->encoder) - intel_crt_dpms(connector->encoder, (uint32_t)(value & 0xf)); - - return 0; -} - -/* - * Routines for controlling stuff on the analog port - */ - -static const struct drm_encoder_helper_funcs intel_crt_helper_funcs = { - .dpms = intel_crt_dpms, - .mode_fixup = intel_crt_mode_fixup, - .prepare = intel_encoder_prepare, - .commit = intel_encoder_commit, - .mode_set = intel_crt_mode_set, -}; - -static const struct drm_connector_funcs intel_crt_connector_funcs = { - .save = intel_crt_save, - .restore = intel_crt_restore, - .detect = intel_crt_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = intel_crt_destroy, - .set_property = intel_crt_set_property, -}; - -static const struct drm_connector_helper_funcs intel_crt_connector_helper_funcs = { - .mode_valid = intel_crt_mode_valid, - .get_modes = intel_crt_get_modes, - .best_encoder = intel_best_encoder, -}; - -void intel_crt_enc_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs intel_crt_enc_funcs = { - .destroy = intel_crt_enc_destroy, -}; - -void intel_crt_init(struct drm_device *dev) -{ - struct drm_connector *connector; - struct intel_output *intel_output; - - intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL); - if (!intel_output) - return; - - connector = &intel_output->base; - drm_connector_init(dev, &intel_output->base, - &intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA); - - drm_encoder_init(dev, &intel_output->enc, &intel_crt_enc_funcs, - DRM_MODE_ENCODER_DAC); - - drm_mode_connector_attach_encoder(&intel_output->base, - &intel_output->enc); - - /* Set up the DDC bus. */ - intel_output->ddc_bus = intel_i2c_create(dev, GPIOA, "CRTDDC_A"); - if (!intel_output->ddc_bus) { - dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration " - "failed.\n"); - return; - } - - intel_output->type = INTEL_OUTPUT_ANALOG; - connector->interlace_allowed = 0; - connector->doublescan_allowed = 0; - - drm_encoder_helper_add(&intel_output->enc, &intel_crt_helper_funcs); - drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs); - - drm_sysfs_connector_add(connector); -} |