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>
30 #include "intel_drv.h"
37 bool intel_ddc_probe(struct intel_encoder
*intel_encoder
, int ddc_bus
)
39 struct drm_i915_private
*dev_priv
= intel_encoder
->base
.dev
->dev_private
;
40 u8 out_buf
[] = { 0x0, 0x0};
42 struct i2c_msg msgs
[] = {
57 return i2c_transfer(&dev_priv
->gmbus
[ddc_bus
].adapter
, msgs
, 2) == 2;
61 * intel_ddc_get_modes - get modelist from monitor
62 * @connector: DRM connector device to use
63 * @adapter: i2c adapter
65 * Fetch the EDID information from @connector using the DDC bus.
67 int intel_ddc_get_modes(struct drm_connector
*connector
,
68 struct i2c_adapter
*adapter
)
73 edid
= drm_get_edid(connector
, adapter
);
75 drm_mode_connector_update_edid_property(connector
, edid
);
76 ret
= drm_add_edid_modes(connector
, edid
);
77 connector
->display_info
.raw_edid
= NULL
;
84 static const char *force_audio_names
[] = {
91 intel_attach_force_audio_property(struct drm_connector
*connector
)
93 struct drm_device
*dev
= connector
->dev
;
94 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
95 struct drm_property
*prop
;
98 prop
= dev_priv
->force_audio_property
;
100 prop
= drm_property_create(dev
, DRM_MODE_PROP_ENUM
,
102 ARRAY_SIZE(force_audio_names
));
106 for (i
= 0; i
< ARRAY_SIZE(force_audio_names
); i
++)
107 drm_property_add_enum(prop
, i
, i
-1, force_audio_names
[i
]);
109 dev_priv
->force_audio_property
= prop
;
111 drm_connector_attach_property(connector
, prop
, 0);
114 static const char *broadcast_rgb_names
[] = {
120 intel_attach_broadcast_rgb_property(struct drm_connector
*connector
)
122 struct drm_device
*dev
= connector
->dev
;
123 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
124 struct drm_property
*prop
;
127 prop
= dev_priv
->broadcast_rgb_property
;
129 prop
= drm_property_create(dev
, DRM_MODE_PROP_ENUM
,
131 ARRAY_SIZE(broadcast_rgb_names
));
135 for (i
= 0; i
< ARRAY_SIZE(broadcast_rgb_names
); i
++)
136 drm_property_add_enum(prop
, i
, i
, broadcast_rgb_names
[i
]);
138 dev_priv
->broadcast_rgb_property
= prop
;
141 drm_connector_attach_property(connector
, prop
, 0);