+++ /dev/null
-/*
- * 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/i2c.h>
-#include <linux/slab.h>
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_edid.h>
-
-#include "display/intel_panel.h"
-
-#include "i915_drv.h"
-#include "intel_connector.h"
-#include "intel_drv.h"
-#include "intel_hdcp.h"
-
-int intel_connector_init(struct intel_connector *connector)
-{
- struct intel_digital_connector_state *conn_state;
-
- /*
- * Allocate enough memory to hold intel_digital_connector_state,
- * This might be a few bytes too many, but for connectors that don't
- * need it we'll free the state and allocate a smaller one on the first
- * successful commit anyway.
- */
- conn_state = kzalloc(sizeof(*conn_state), GFP_KERNEL);
- if (!conn_state)
- return -ENOMEM;
-
- __drm_atomic_helper_connector_reset(&connector->base,
- &conn_state->base);
-
- return 0;
-}
-
-struct intel_connector *intel_connector_alloc(void)
-{
- struct intel_connector *connector;
-
- connector = kzalloc(sizeof(*connector), GFP_KERNEL);
- if (!connector)
- return NULL;
-
- if (intel_connector_init(connector) < 0) {
- kfree(connector);
- return NULL;
- }
-
- return connector;
-}
-
-/*
- * Free the bits allocated by intel_connector_alloc.
- * This should only be used after intel_connector_alloc has returned
- * successfully, and before drm_connector_init returns successfully.
- * Otherwise the destroy callbacks for the connector and the state should
- * take care of proper cleanup/free (see intel_connector_destroy).
- */
-void intel_connector_free(struct intel_connector *connector)
-{
- kfree(to_intel_digital_connector_state(connector->base.state));
- kfree(connector);
-}
-
-/*
- * Connector type independent destroy hook for drm_connector_funcs.
- */
-void intel_connector_destroy(struct drm_connector *connector)
-{
- struct intel_connector *intel_connector = to_intel_connector(connector);
-
- kfree(intel_connector->detect_edid);
-
- intel_hdcp_cleanup(intel_connector);
-
- if (!IS_ERR_OR_NULL(intel_connector->edid))
- kfree(intel_connector->edid);
-
- intel_panel_fini(&intel_connector->panel);
-
- drm_connector_cleanup(connector);
-
- if (intel_connector->port)
- drm_dp_mst_put_port_malloc(intel_connector->port);
-
- kfree(connector);
-}
-
-int intel_connector_register(struct drm_connector *connector)
-{
- struct intel_connector *intel_connector = to_intel_connector(connector);
- int ret;
-
- ret = intel_backlight_device_register(intel_connector);
- if (ret)
- goto err;
-
- if (i915_inject_load_failure()) {
- ret = -EFAULT;
- goto err_backlight;
- }
-
- return 0;
-
-err_backlight:
- intel_backlight_device_unregister(intel_connector);
-err:
- return ret;
-}
-
-void intel_connector_unregister(struct drm_connector *connector)
-{
- struct intel_connector *intel_connector = to_intel_connector(connector);
-
- intel_backlight_device_unregister(intel_connector);
-}
-
-void intel_connector_attach_encoder(struct intel_connector *connector,
- struct intel_encoder *encoder)
-{
- connector->encoder = encoder;
- drm_connector_attach_encoder(&connector->base, &encoder->base);
-}
-
-/*
- * Simple connector->get_hw_state implementation for encoders that support only
- * one connector and no cloning and hence the encoder state determines the state
- * of the connector.
- */
-bool intel_connector_get_hw_state(struct intel_connector *connector)
-{
- enum pipe pipe = 0;
- struct intel_encoder *encoder = connector->encoder;
-
- return encoder->get_hw_state(encoder, &pipe);
-}
-
-enum pipe intel_connector_get_pipe(struct intel_connector *connector)
-{
- struct drm_device *dev = connector->base.dev;
-
- WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
-
- if (!connector->base.state->crtc)
- return INVALID_PIPE;
-
- return to_intel_crtc(connector->base.state->crtc)->pipe;
-}
-
-/**
- * intel_connector_update_modes - update connector from edid
- * @connector: DRM connector device to use
- * @edid: previously read EDID information
- */
-int intel_connector_update_modes(struct drm_connector *connector,
- struct edid *edid)
-{
- int ret;
-
- drm_connector_update_edid_property(connector, edid);
- ret = drm_add_edid_modes(connector, edid);
-
- return ret;
-}
-
-/**
- * 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;
-
- edid = drm_get_edid(connector, adapter);
- if (!edid)
- return 0;
-
- ret = intel_connector_update_modes(connector, edid);
- kfree(edid);
-
- return ret;
-}
-
-static const struct drm_prop_enum_list force_audio_names[] = {
- { HDMI_AUDIO_OFF_DVI, "force-dvi" },
- { HDMI_AUDIO_OFF, "off" },
- { HDMI_AUDIO_AUTO, "auto" },
- { HDMI_AUDIO_ON, "on" },
-};
-
-void
-intel_attach_force_audio_property(struct drm_connector *connector)
-{
- struct drm_device *dev = connector->dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct drm_property *prop;
-
- prop = dev_priv->force_audio_property;
- if (prop == NULL) {
- prop = drm_property_create_enum(dev, 0,
- "audio",
- force_audio_names,
- ARRAY_SIZE(force_audio_names));
- if (prop == NULL)
- return;
-
- dev_priv->force_audio_property = prop;
- }
- drm_object_attach_property(&connector->base, prop, 0);
-}
-
-static const struct drm_prop_enum_list broadcast_rgb_names[] = {
- { INTEL_BROADCAST_RGB_AUTO, "Automatic" },
- { INTEL_BROADCAST_RGB_FULL, "Full" },
- { INTEL_BROADCAST_RGB_LIMITED, "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 = to_i915(dev);
- struct drm_property *prop;
-
- prop = dev_priv->broadcast_rgb_property;
- if (prop == NULL) {
- prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM,
- "Broadcast RGB",
- broadcast_rgb_names,
- ARRAY_SIZE(broadcast_rgb_names));
- if (prop == NULL)
- return;
-
- dev_priv->broadcast_rgb_property = prop;
- }
-
- drm_object_attach_property(&connector->base, prop, 0);
-}
-
-void
-intel_attach_aspect_ratio_property(struct drm_connector *connector)
-{
- if (!drm_mode_create_aspect_ratio_property(connector->dev))
- drm_object_attach_property(&connector->base,
- connector->dev->mode_config.aspect_ratio_property,
- DRM_MODE_PICTURE_ASPECT_NONE);
-}
-
-void
-intel_attach_colorspace_property(struct drm_connector *connector)
-{
- if (!drm_mode_create_colorspace_property(connector))
- drm_object_attach_property(&connector->base,
- connector->colorspace_property, 0);
-}
git.samba.org / sfrench / cifs-2.6.git / blobdiff