intel_modes.c revision 235783
1/* 2 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> 3 * Copyright (c) 2007, 2010 Intel Corporation 4 * Jesse Barnes <jesse.barnes@intel.com> 5 * 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: 12 * 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 15 * Software. 16 * 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. 24 */ 25 26#include <sys/cdefs.h> 27__FBSDID("$FreeBSD: head/sys/dev/drm2/i915/intel_modes.c 235783 2012-05-22 11:07:44Z kib $"); 28 29#include <dev/drm2/drmP.h> 30#include <dev/drm2/drm.h> 31#include <dev/drm2/i915/i915_drm.h> 32#include <dev/drm2/i915/i915_drv.h> 33#include <dev/drm2/i915/intel_drv.h> 34#include <dev/drm2/drm_edid.h> 35#include <dev/iicbus/iiconf.h> 36 37/** 38 * intel_ddc_probe 39 * 40 */ 41bool intel_ddc_probe(struct intel_encoder *intel_encoder, int ddc_bus) 42{ 43 struct drm_i915_private *dev_priv = intel_encoder->base.dev->dev_private; 44 u8 out_buf[] = { 0x0, 0x0}; 45 u8 buf[2]; 46 struct iic_msg msgs[] = { 47 { 48 .slave = DDC_ADDR, 49 .flags = IIC_M_WR, 50 .len = 1, 51 .buf = out_buf, 52 }, 53 { 54 .slave = DDC_ADDR, 55 .flags = IIC_M_RD, 56 .len = 1, 57 .buf = buf, 58 } 59 }; 60 61 return (iicbus_transfer(dev_priv->gmbus[ddc_bus], msgs, 2) 62 == 0/* XXXKIB 2*/); 63} 64 65/** 66 * intel_ddc_get_modes - get modelist from monitor 67 * @connector: DRM connector device to use 68 * @adapter: i2c adapter 69 * 70 * Fetch the EDID information from @connector using the DDC bus. 71 */ 72int 73intel_ddc_get_modes(struct drm_connector *connector, device_t adapter) 74{ 75 struct edid *edid; 76 int ret = 0; 77 78 edid = drm_get_edid(connector, adapter); 79 if (edid) { 80 drm_mode_connector_update_edid_property(connector, edid); 81 ret = drm_add_edid_modes(connector, edid); 82 drm_edid_to_eld(connector, edid); 83 connector->display_info.raw_edid = NULL; 84 free(edid, DRM_MEM_KMS); 85 } 86 87 return ret; 88} 89 90static const struct drm_prop_enum_list force_audio_names[] = { 91 { HDMI_AUDIO_OFF_DVI, "force-dvi" }, 92 { HDMI_AUDIO_OFF, "off" }, 93 { HDMI_AUDIO_AUTO, "auto" }, 94 { HDMI_AUDIO_ON, "on" }, 95}; 96 97void 98intel_attach_force_audio_property(struct drm_connector *connector) 99{ 100 struct drm_device *dev = connector->dev; 101 struct drm_i915_private *dev_priv = dev->dev_private; 102 struct drm_property *prop; 103 104 prop = dev_priv->force_audio_property; 105 if (prop == NULL) { 106 prop = drm_property_create_enum(dev, 0, 107 "audio", 108 force_audio_names, 109 DRM_ARRAY_SIZE(force_audio_names)); 110 if (prop == NULL) 111 return; 112 113 dev_priv->force_audio_property = prop; 114 } 115 drm_connector_attach_property(connector, prop, 0); 116} 117 118static const struct drm_prop_enum_list broadcast_rgb_names[] = { 119 { 0, "Full" }, 120 { 1, "Limited 16:235" }, 121}; 122 123void 124intel_attach_broadcast_rgb_property(struct drm_connector *connector) 125{ 126 struct drm_device *dev = connector->dev; 127 struct drm_i915_private *dev_priv = dev->dev_private; 128 struct drm_property *prop; 129 130 prop = dev_priv->broadcast_rgb_property; 131 if (prop == NULL) { 132 prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM, 133 "Broadcast RGB", 134 broadcast_rgb_names, 135 DRM_ARRAY_SIZE(broadcast_rgb_names)); 136 if (prop == NULL) 137 return; 138 139 dev_priv->broadcast_rgb_property = prop; 140 } 141 142 drm_connector_attach_property(connector, prop, 0); 143} 144