2 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
3 * Copyright (c) 2007, 2010 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
26 #include <linux/slab.h>
27 #include <linux/i2c.h>
28 #include <drm/drm_atomic_helper.h>
29 #include <drm/drm_edid.h>
30 #include "intel_drv.h"
33 int intel_connector_init(struct intel_connector *connector)
35 struct intel_digital_connector_state *conn_state;
38 * Allocate enough memory to hold intel_digital_connector_state,
39 * This might be a few bytes too many, but for connectors that don't
40 * need it we'll free the state and allocate a smaller one on the first
41 * successful commit anyway.
43 conn_state = kzalloc(sizeof(*conn_state), GFP_KERNEL);
47 __drm_atomic_helper_connector_reset(&connector->base,
53 struct intel_connector *intel_connector_alloc(void)
55 struct intel_connector *connector;
57 connector = kzalloc(sizeof(*connector), GFP_KERNEL);
61 if (intel_connector_init(connector) < 0) {
70 * Free the bits allocated by intel_connector_alloc.
71 * This should only be used after intel_connector_alloc has returned
72 * successfully, and before drm_connector_init returns successfully.
73 * Otherwise the destroy callbacks for the connector and the state should
74 * take care of proper cleanup/free (see intel_connector_destroy).
76 void intel_connector_free(struct intel_connector *connector)
78 kfree(to_intel_digital_connector_state(connector->base.state));
83 * Connector type independent destroy hook for drm_connector_funcs.
85 void intel_connector_destroy(struct drm_connector *connector)
87 struct intel_connector *intel_connector = to_intel_connector(connector);
89 kfree(intel_connector->detect_edid);
91 intel_hdcp_cleanup(intel_connector);
93 if (!IS_ERR_OR_NULL(intel_connector->edid))
94 kfree(intel_connector->edid);
96 intel_panel_fini(&intel_connector->panel);
98 drm_connector_cleanup(connector);
100 if (intel_connector->port)
101 drm_dp_mst_put_port_malloc(intel_connector->port);
106 int intel_connector_register(struct drm_connector *connector)
108 struct intel_connector *intel_connector = to_intel_connector(connector);
111 ret = intel_backlight_device_register(intel_connector);
115 if (i915_inject_load_failure()) {
123 intel_backlight_device_unregister(intel_connector);
128 void intel_connector_unregister(struct drm_connector *connector)
130 struct intel_connector *intel_connector = to_intel_connector(connector);
132 intel_backlight_device_unregister(intel_connector);
135 void intel_connector_attach_encoder(struct intel_connector *connector,
136 struct intel_encoder *encoder)
138 connector->encoder = encoder;
139 drm_connector_attach_encoder(&connector->base, &encoder->base);
143 * Simple connector->get_hw_state implementation for encoders that support only
144 * one connector and no cloning and hence the encoder state determines the state
147 bool intel_connector_get_hw_state(struct intel_connector *connector)
150 struct intel_encoder *encoder = connector->encoder;
152 return encoder->get_hw_state(encoder, &pipe);
155 enum pipe intel_connector_get_pipe(struct intel_connector *connector)
157 struct drm_device *dev = connector->base.dev;
159 WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
161 if (!connector->base.state->crtc)
164 return to_intel_crtc(connector->base.state->crtc)->pipe;
168 * intel_connector_update_modes - update connector from edid
169 * @connector: DRM connector device to use
170 * @edid: previously read EDID information
172 int intel_connector_update_modes(struct drm_connector *connector,
177 drm_connector_update_edid_property(connector, edid);
178 ret = drm_add_edid_modes(connector, edid);
184 * intel_ddc_get_modes - get modelist from monitor
185 * @connector: DRM connector device to use
186 * @adapter: i2c adapter
188 * Fetch the EDID information from @connector using the DDC bus.
190 int intel_ddc_get_modes(struct drm_connector *connector,
191 struct i2c_adapter *adapter)
196 edid = drm_get_edid(connector, adapter);
200 ret = intel_connector_update_modes(connector, edid);
206 static const struct drm_prop_enum_list force_audio_names[] = {
207 { HDMI_AUDIO_OFF_DVI, "force-dvi" },
208 { HDMI_AUDIO_OFF, "off" },
209 { HDMI_AUDIO_AUTO, "auto" },
210 { HDMI_AUDIO_ON, "on" },
214 intel_attach_force_audio_property(struct drm_connector *connector)
216 struct drm_device *dev = connector->dev;
217 struct drm_i915_private *dev_priv = to_i915(dev);
218 struct drm_property *prop;
220 prop = dev_priv->force_audio_property;
222 prop = drm_property_create_enum(dev, 0,
225 ARRAY_SIZE(force_audio_names));
229 dev_priv->force_audio_property = prop;
231 drm_object_attach_property(&connector->base, prop, 0);
234 static const struct drm_prop_enum_list broadcast_rgb_names[] = {
235 { INTEL_BROADCAST_RGB_AUTO, "Automatic" },
236 { INTEL_BROADCAST_RGB_FULL, "Full" },
237 { INTEL_BROADCAST_RGB_LIMITED, "Limited 16:235" },
241 intel_attach_broadcast_rgb_property(struct drm_connector *connector)
243 struct drm_device *dev = connector->dev;
244 struct drm_i915_private *dev_priv = to_i915(dev);
245 struct drm_property *prop;
247 prop = dev_priv->broadcast_rgb_property;
249 prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM,
252 ARRAY_SIZE(broadcast_rgb_names));
256 dev_priv->broadcast_rgb_property = prop;
259 drm_object_attach_property(&connector->base, prop, 0);
263 intel_attach_aspect_ratio_property(struct drm_connector *connector)
265 if (!drm_mode_create_aspect_ratio_property(connector->dev))
266 drm_object_attach_property(&connector->base,
267 connector->dev->mode_config.aspect_ratio_property,
268 DRM_MODE_PICTURE_ASPECT_NONE);
272 intel_attach_colorspace_property(struct drm_connector *connector)
274 if (!drm_mode_create_colorspace_property(connector))
275 drm_object_attach_property(&connector->base,
276 connector->colorspace_property, 0);