| 0,0 → 1,144 |
|---|
| /* |
| * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> |
| * Copyright (c) 2007, 2010 Intel Corporation |
| * Jesse Barnes <jesse.barnes@intel.com> |
| * |
| * 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 <linux/slab.h> |
| #include <linux/i2c.h> |
| #include <linux/fb.h> |
| #include "drmP.h" |
| #include "intel_drv.h" |
| #include "i915_drv.h" |
| |
| /** |
| * intel_ddc_probe |
| * |
| */ |
| bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus) |
| { |
| struct drm_i915_private *dev_priv = intel_encoder->base.dev->dev_private; |
| u8 out_buf[] = { 0x0, 0x0}; |
| u8 buf[2]; |
| struct i2c_msg msgs[] = { |
| { |
| .addr = 0x50, |
| .flags = 0, |
| .len = 1, |
| .buf = out_buf, |
| }, |
| { |
| .addr = 0x50, |
| .flags = I2C_M_RD, |
| .len = 1, |
| .buf = buf, |
| } |
| }; |
| |
| return i2c_transfer(&dev_priv->gmbus[ddc_bus].adapter, msgs, 2) == 2; |
| } |
| |
| /** |
| * intel_ddc_get_modes - get modelist from monitor |
| * @connector: DRM connector device to use |
| * @adapter: i2c adapter |
| * |
| * Fetch the EDID information from @connector using the DDC bus. |
| */ |
| int intel_ddc_get_modes(struct drm_connector *connector, |
| struct i2c_adapter *adapter) |
| { |
| struct edid *edid; |
| int ret = 0; |
| |
| edid = drm_get_edid(connector, adapter); |
| if (edid) { |
| drm_mode_connector_update_edid_property(connector, edid); |
| ret = drm_add_edid_modes(connector, edid); |
| connector->display_info.raw_edid = NULL; |
| kfree(edid); |
| } |
| |
| return ret; |
| } |
| |
| static const char *force_audio_names[] = { |
| "off", |
| "auto", |
| "on", |
| }; |
| |
| void |
| intel_attach_force_audio_property(struct drm_connector *connector) |
| { |
| struct drm_device *dev = connector->dev; |
| struct drm_i915_private *dev_priv = dev->dev_private; |
| struct drm_property *prop; |
| int i; |
| #if 0 |
| prop = dev_priv->force_audio_property; |
| if (prop == NULL) { |
| prop = drm_property_create(dev, DRM_MODE_PROP_ENUM, |
| "audio", |
| ARRAY_SIZE(force_audio_names)); |
| if (prop == NULL) |
| return; |
| |
| for (i = 0; i < ARRAY_SIZE(force_audio_names); i++) |
| drm_property_add_enum(prop, i, i-1, force_audio_names[i]); |
| |
| dev_priv->force_audio_property = prop; |
| } |
| drm_connector_attach_property(connector, prop, 0); |
| #endif |
| } |
| |
| static const char *broadcast_rgb_names[] = { |
| "Full", |
| "Limited 16:235", |
| }; |
| |
| void |
| intel_attach_broadcast_rgb_property(struct drm_connector *connector) |
| { |
| struct drm_device *dev = connector->dev; |
| struct drm_i915_private *dev_priv = dev->dev_private; |
| struct drm_property *prop; |
| int i; |
| #if 0 |
| prop = dev_priv->broadcast_rgb_property; |
| if (prop == NULL) { |
| prop = drm_property_create(dev, DRM_MODE_PROP_ENUM, |
| "Broadcast RGB", |
| ARRAY_SIZE(broadcast_rgb_names)); |
| if (prop == NULL) |
| return; |
| |
| for (i = 0; i < ARRAY_SIZE(broadcast_rgb_names); i++) |
| drm_property_add_enum(prop, i, i, broadcast_rgb_names[i]); |
| |
| dev_priv->broadcast_rgb_property = prop; |
| } |
| |
| drm_connector_attach_property(connector, prop, 0); |
| #endif |
| } |