mirror of
https://github.com/KolibriOS/kolibrios.git
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b8d5ef9aac
git-svn-id: svn://kolibrios.org@1126 a494cfbc-eb01-0410-851d-a64ba20cac60
2493 lines
65 KiB
C
2493 lines
65 KiB
C
/*
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* Copyright (c) 2006-2008 Intel Corporation
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* Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
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* Copyright (c) 2008 Red Hat Inc.
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*
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* DRM core CRTC related functions
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*
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* Authors:
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* Keith Packard
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* Eric Anholt <eric@anholt.net>
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* Dave Airlie <airlied@linux.ie>
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* Jesse Barnes <jesse.barnes@intel.com>
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*/
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#include <list.h>
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#include "drm.h"
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#include "drmP.h"
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#include "drm_crtc.h"
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struct drm_prop_enum_list {
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int type;
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char *name;
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};
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/* Avoid boilerplate. I'm tired of typing. */
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#define DRM_ENUM_NAME_FN(fnname, list) \
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char *fnname(int val) \
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{ \
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int i; \
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for (i = 0; i < ARRAY_SIZE(list); i++) { \
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if (list[i].type == val) \
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return list[i].name; \
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} \
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return "(unknown)"; \
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}
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/*
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* Global properties
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*/
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static struct drm_prop_enum_list drm_dpms_enum_list[] =
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{ { DRM_MODE_DPMS_ON, "On" },
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{ DRM_MODE_DPMS_STANDBY, "Standby" },
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{ DRM_MODE_DPMS_SUSPEND, "Suspend" },
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{ DRM_MODE_DPMS_OFF, "Off" }
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};
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DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list)
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/*
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* Optional properties
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*/
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static struct drm_prop_enum_list drm_scaling_mode_enum_list[] =
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{
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{ DRM_MODE_SCALE_NON_GPU, "Non-GPU" },
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{ DRM_MODE_SCALE_FULLSCREEN, "Fullscreen" },
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{ DRM_MODE_SCALE_NO_SCALE, "No scale" },
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{ DRM_MODE_SCALE_ASPECT, "Aspect" },
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};
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static struct drm_prop_enum_list drm_dithering_mode_enum_list[] =
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{
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{ DRM_MODE_DITHERING_OFF, "Off" },
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{ DRM_MODE_DITHERING_ON, "On" },
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};
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/*
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* Non-global properties, but "required" for certain connectors.
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*/
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static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] =
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{
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{ DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
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{ DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
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{ DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
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};
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DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list)
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static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] =
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{
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{ DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
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{ DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
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{ DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
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};
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DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name,
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drm_dvi_i_subconnector_enum_list)
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static struct drm_prop_enum_list drm_tv_select_enum_list[] =
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{
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{ DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
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{ DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
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{ DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
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{ DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
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};
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DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list)
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static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] =
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{
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{ DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
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{ DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
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{ DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
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{ DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
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};
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DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name,
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drm_tv_subconnector_enum_list)
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struct drm_conn_prop_enum_list {
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int type;
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char *name;
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int count;
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};
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/*
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* Connector and encoder types.
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*/
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static struct drm_conn_prop_enum_list drm_connector_enum_list[] =
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{ { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 },
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{ DRM_MODE_CONNECTOR_VGA, "VGA", 0 },
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{ DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 },
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{ DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 },
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{ DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 },
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{ DRM_MODE_CONNECTOR_Composite, "Composite", 0 },
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{ DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 },
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{ DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 },
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{ DRM_MODE_CONNECTOR_Component, "Component", 0 },
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{ DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN", 0 },
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{ DRM_MODE_CONNECTOR_DisplayPort, "DisplayPort", 0 },
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{ DRM_MODE_CONNECTOR_HDMIA, "HDMI Type A", 0 },
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{ DRM_MODE_CONNECTOR_HDMIB, "HDMI Type B", 0 },
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};
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static struct drm_prop_enum_list drm_encoder_enum_list[] =
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{ { DRM_MODE_ENCODER_NONE, "None" },
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{ DRM_MODE_ENCODER_DAC, "DAC" },
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{ DRM_MODE_ENCODER_TMDS, "TMDS" },
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{ DRM_MODE_ENCODER_LVDS, "LVDS" },
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{ DRM_MODE_ENCODER_TVDAC, "TV" },
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};
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char *drm_get_encoder_name(struct drm_encoder *encoder)
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{
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static char buf[32];
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snprintf(buf, 32, "%s-%d",
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drm_encoder_enum_list[encoder->encoder_type].name,
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encoder->base.id);
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return buf;
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}
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char *drm_get_connector_name(struct drm_connector *connector)
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{
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static char buf[32];
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snprintf(buf, 32, "%s-%d",
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drm_connector_enum_list[connector->connector_type].name,
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connector->connector_type_id);
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return buf;
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}
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EXPORT_SYMBOL(drm_get_connector_name);
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char *drm_get_connector_status_name(enum drm_connector_status status)
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{
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if (status == connector_status_connected)
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return "connected";
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else if (status == connector_status_disconnected)
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return "disconnected";
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else
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return "unknown";
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}
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/**
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* drm_mode_object_get - allocate a new identifier
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* @dev: DRM device
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* @ptr: object pointer, used to generate unique ID
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* @type: object type
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*
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* LOCKING:
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*
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* Create a unique identifier based on @ptr in @dev's identifier space. Used
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* for tracking modes, CRTCs and connectors.
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*
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* RETURNS:
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* New unique (relative to other objects in @dev) integer identifier for the
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* object.
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*/
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static int drm_mode_object_get(struct drm_device *dev,
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struct drm_mode_object *obj, uint32_t obj_type)
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{
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int new_id = 0;
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int ret;
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again:
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if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) {
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DRM_ERROR("Ran out memory getting a mode number\n");
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return -EINVAL;
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}
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// mutex_lock(&dev->mode_config.idr_mutex);
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ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id);
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// mutex_unlock(&dev->mode_config.idr_mutex);
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if (ret == -EAGAIN)
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goto again;
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obj->id = new_id;
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obj->type = obj_type;
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return 0;
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}
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/**
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* drm_mode_object_put - free an identifer
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* @dev: DRM device
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* @id: ID to free
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*
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* LOCKING:
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* Caller must hold DRM mode_config lock.
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*
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* Free @id from @dev's unique identifier pool.
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*/
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static void drm_mode_object_put(struct drm_device *dev,
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struct drm_mode_object *object)
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{
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// mutex_lock(&dev->mode_config.idr_mutex);
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idr_remove(&dev->mode_config.crtc_idr, object->id);
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// mutex_unlock(&dev->mode_config.idr_mutex);
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}
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void *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type)
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{
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struct drm_mode_object *obj = NULL;
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// mutex_lock(&dev->mode_config.idr_mutex);
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obj = idr_find(&dev->mode_config.crtc_idr, id);
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if (!obj || (obj->type != type) || (obj->id != id))
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obj = NULL;
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// mutex_unlock(&dev->mode_config.idr_mutex);
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return obj;
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}
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EXPORT_SYMBOL(drm_mode_object_find);
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/**
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* drm_crtc_from_fb - find the CRTC structure associated with an fb
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* @dev: DRM device
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* @fb: framebuffer in question
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*
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* LOCKING:
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* Caller must hold mode_config lock.
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*
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* Find CRTC in the mode_config structure that matches @fb.
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*
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* RETURNS:
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* Pointer to the CRTC or NULL if it wasn't found.
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*/
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struct drm_crtc *drm_crtc_from_fb(struct drm_device *dev,
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struct drm_framebuffer *fb)
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{
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struct drm_crtc *crtc;
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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if (crtc->fb == fb)
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return crtc;
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}
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return NULL;
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}
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/**
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* drm_framebuffer_init - initialize a framebuffer
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* @dev: DRM device
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*
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* LOCKING:
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* Caller must hold mode config lock.
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*
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* Allocates an ID for the framebuffer's parent mode object, sets its mode
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* functions & device file and adds it to the master fd list.
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*
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* RETURNS:
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* Zero on success, error code on falure.
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*/
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int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb,
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const struct drm_framebuffer_funcs *funcs)
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{
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int ret;
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ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB);
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if (ret) {
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return ret;
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}
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fb->dev = dev;
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fb->funcs = funcs;
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dev->mode_config.num_fb++;
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list_add(&fb->head, &dev->mode_config.fb_list);
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return 0;
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}
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EXPORT_SYMBOL(drm_framebuffer_init);
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/**
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* drm_framebuffer_cleanup - remove a framebuffer object
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* @fb: framebuffer to remove
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*
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* LOCKING:
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* Caller must hold mode config lock.
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*
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* Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes
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* it, setting it to NULL.
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*/
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void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
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{
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struct drm_device *dev = fb->dev;
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struct drm_crtc *crtc;
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/* remove from any CRTC */
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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if (crtc->fb == fb)
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crtc->fb = NULL;
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}
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drm_mode_object_put(dev, &fb->base);
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list_del(&fb->head);
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dev->mode_config.num_fb--;
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}
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EXPORT_SYMBOL(drm_framebuffer_cleanup);
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/**
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* drm_crtc_init - Initialise a new CRTC object
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* @dev: DRM device
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* @crtc: CRTC object to init
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* @funcs: callbacks for the new CRTC
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*
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* LOCKING:
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* Caller must hold mode config lock.
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*
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* Inits a new object created as base part of an driver crtc object.
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*/
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void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
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const struct drm_crtc_funcs *funcs)
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{
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ENTRY();
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crtc->dev = dev;
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crtc->funcs = funcs;
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// mutex_lock(&dev->mode_config.mutex);
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drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
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list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
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dev->mode_config.num_crtc++;
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// mutex_unlock(&dev->mode_config.mutex);
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LEAVE();
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}
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EXPORT_SYMBOL(drm_crtc_init);
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/**
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* drm_crtc_cleanup - Cleans up the core crtc usage.
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* @crtc: CRTC to cleanup
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*
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* LOCKING:
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* Caller must hold mode config lock.
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*
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* Cleanup @crtc. Removes from drm modesetting space
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* does NOT free object, caller does that.
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*/
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void drm_crtc_cleanup(struct drm_crtc *crtc)
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{
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struct drm_device *dev = crtc->dev;
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if (crtc->gamma_store) {
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kfree(crtc->gamma_store);
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crtc->gamma_store = NULL;
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}
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drm_mode_object_put(dev, &crtc->base);
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list_del(&crtc->head);
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dev->mode_config.num_crtc--;
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}
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EXPORT_SYMBOL(drm_crtc_cleanup);
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/**
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* drm_mode_probed_add - add a mode to a connector's probed mode list
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* @connector: connector the new mode
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* @mode: mode data
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*
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* LOCKING:
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* Caller must hold mode config lock.
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*
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* Add @mode to @connector's mode list for later use.
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*/
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void drm_mode_probed_add(struct drm_connector *connector,
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struct drm_display_mode *mode)
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{
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list_add(&mode->head, &connector->probed_modes);
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}
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EXPORT_SYMBOL(drm_mode_probed_add);
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/**
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* drm_mode_remove - remove and free a mode
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* @connector: connector list to modify
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* @mode: mode to remove
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*
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* LOCKING:
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* Caller must hold mode config lock.
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*
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* Remove @mode from @connector's mode list, then free it.
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*/
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void drm_mode_remove(struct drm_connector *connector,
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struct drm_display_mode *mode)
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{
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list_del(&mode->head);
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kfree(mode);
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}
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EXPORT_SYMBOL(drm_mode_remove);
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|
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/**
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* drm_connector_init - Init a preallocated connector
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* @dev: DRM device
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* @connector: the connector to init
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* @funcs: callbacks for this connector
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* @name: user visible name of the connector
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*
|
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* LOCKING:
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* Caller must hold @dev's mode_config lock.
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*
|
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* Initialises a preallocated connector. Connectors should be
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* subclassed as part of driver connector objects.
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*/
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void drm_connector_init(struct drm_device *dev,
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struct drm_connector *connector,
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const struct drm_connector_funcs *funcs,
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int connector_type)
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{
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// mutex_lock(&dev->mode_config.mutex);
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|
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connector->dev = dev;
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connector->funcs = funcs;
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drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
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connector->connector_type = connector_type;
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connector->connector_type_id =
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++drm_connector_enum_list[connector_type].count; /* TODO */
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INIT_LIST_HEAD(&connector->user_modes);
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INIT_LIST_HEAD(&connector->probed_modes);
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INIT_LIST_HEAD(&connector->modes);
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connector->edid_blob_ptr = NULL;
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list_add_tail(&connector->head, &dev->mode_config.connector_list);
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dev->mode_config.num_connector++;
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drm_connector_attach_property(connector,
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dev->mode_config.edid_property, 0);
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drm_connector_attach_property(connector,
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dev->mode_config.dpms_property, 0);
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|
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// mutex_unlock(&dev->mode_config.mutex);
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}
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EXPORT_SYMBOL(drm_connector_init);
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|
|
/**
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* drm_connector_cleanup - cleans up an initialised connector
|
|
* @connector: connector to cleanup
|
|
*
|
|
* LOCKING:
|
|
* Caller must hold @dev's mode_config lock.
|
|
*
|
|
* Cleans up the connector but doesn't free the object.
|
|
*/
|
|
void drm_connector_cleanup(struct drm_connector *connector)
|
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{
|
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struct drm_device *dev = connector->dev;
|
|
struct drm_display_mode *mode, *t;
|
|
|
|
list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
|
|
drm_mode_remove(connector, mode);
|
|
|
|
list_for_each_entry_safe(mode, t, &connector->modes, head)
|
|
drm_mode_remove(connector, mode);
|
|
|
|
list_for_each_entry_safe(mode, t, &connector->user_modes, head)
|
|
drm_mode_remove(connector, mode);
|
|
|
|
// mutex_lock(&dev->mode_config.mutex);
|
|
drm_mode_object_put(dev, &connector->base);
|
|
list_del(&connector->head);
|
|
// mutex_unlock(&dev->mode_config.mutex);
|
|
}
|
|
EXPORT_SYMBOL(drm_connector_cleanup);
|
|
|
|
void drm_encoder_init(struct drm_device *dev,
|
|
struct drm_encoder *encoder,
|
|
const struct drm_encoder_funcs *funcs,
|
|
int encoder_type)
|
|
{
|
|
// mutex_lock(&dev->mode_config.mutex);
|
|
|
|
encoder->dev = dev;
|
|
|
|
drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
|
|
encoder->encoder_type = encoder_type;
|
|
encoder->funcs = funcs;
|
|
|
|
list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
|
|
dev->mode_config.num_encoder++;
|
|
|
|
// mutex_unlock(&dev->mode_config.mutex);
|
|
}
|
|
EXPORT_SYMBOL(drm_encoder_init);
|
|
|
|
void drm_encoder_cleanup(struct drm_encoder *encoder)
|
|
{
|
|
struct drm_device *dev = encoder->dev;
|
|
// mutex_lock(&dev->mode_config.mutex);
|
|
drm_mode_object_put(dev, &encoder->base);
|
|
list_del(&encoder->head);
|
|
// mutex_unlock(&dev->mode_config.mutex);
|
|
}
|
|
EXPORT_SYMBOL(drm_encoder_cleanup);
|
|
|
|
/**
|
|
* drm_mode_create - create a new display mode
|
|
* @dev: DRM device
|
|
*
|
|
* LOCKING:
|
|
* Caller must hold DRM mode_config lock.
|
|
*
|
|
* Create a new drm_display_mode, give it an ID, and return it.
|
|
*
|
|
* RETURNS:
|
|
* Pointer to new mode on success, NULL on error.
|
|
*/
|
|
struct drm_display_mode *drm_mode_create(struct drm_device *dev)
|
|
{
|
|
struct drm_display_mode *nmode;
|
|
|
|
nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL);
|
|
if (!nmode)
|
|
return NULL;
|
|
|
|
drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE);
|
|
return nmode;
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_create);
|
|
|
|
/**
|
|
* drm_mode_destroy - remove a mode
|
|
* @dev: DRM device
|
|
* @mode: mode to remove
|
|
*
|
|
* LOCKING:
|
|
* Caller must hold mode config lock.
|
|
*
|
|
* Free @mode's unique identifier, then free it.
|
|
*/
|
|
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode)
|
|
{
|
|
drm_mode_object_put(dev, &mode->base);
|
|
|
|
kfree(mode);
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_destroy);
|
|
|
|
static int drm_mode_create_standard_connector_properties(struct drm_device *dev)
|
|
{
|
|
struct drm_property *edid;
|
|
struct drm_property *dpms;
|
|
int i;
|
|
|
|
ENTRY();
|
|
/*
|
|
* Standard properties (apply to all connectors)
|
|
*/
|
|
edid = drm_property_create(dev, DRM_MODE_PROP_BLOB |
|
|
DRM_MODE_PROP_IMMUTABLE,
|
|
"EDID", 0);
|
|
dev->mode_config.edid_property = edid;
|
|
|
|
dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM,
|
|
"DPMS", ARRAY_SIZE(drm_dpms_enum_list));
|
|
for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++)
|
|
drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type,
|
|
drm_dpms_enum_list[i].name);
|
|
dev->mode_config.dpms_property = dpms;
|
|
|
|
LEAVE();
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
|
|
* @dev: DRM device
|
|
*
|
|
* Called by a driver the first time a DVI-I connector is made.
|
|
*/
|
|
int drm_mode_create_dvi_i_properties(struct drm_device *dev)
|
|
{
|
|
struct drm_property *dvi_i_selector;
|
|
struct drm_property *dvi_i_subconnector;
|
|
int i;
|
|
|
|
if (dev->mode_config.dvi_i_select_subconnector_property)
|
|
return 0;
|
|
|
|
dvi_i_selector =
|
|
drm_property_create(dev, DRM_MODE_PROP_ENUM,
|
|
"select subconnector",
|
|
ARRAY_SIZE(drm_dvi_i_select_enum_list));
|
|
for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++)
|
|
drm_property_add_enum(dvi_i_selector, i,
|
|
drm_dvi_i_select_enum_list[i].type,
|
|
drm_dvi_i_select_enum_list[i].name);
|
|
dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
|
|
|
|
dvi_i_subconnector =
|
|
drm_property_create(dev, DRM_MODE_PROP_ENUM |
|
|
DRM_MODE_PROP_IMMUTABLE,
|
|
"subconnector",
|
|
ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
|
|
for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++)
|
|
drm_property_add_enum(dvi_i_subconnector, i,
|
|
drm_dvi_i_subconnector_enum_list[i].type,
|
|
drm_dvi_i_subconnector_enum_list[i].name);
|
|
dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_create_dvi_i_properties);
|
|
|
|
/**
|
|
* drm_create_tv_properties - create TV specific connector properties
|
|
* @dev: DRM device
|
|
* @num_modes: number of different TV formats (modes) supported
|
|
* @modes: array of pointers to strings containing name of each format
|
|
*
|
|
* Called by a driver's TV initialization routine, this function creates
|
|
* the TV specific connector properties for a given device. Caller is
|
|
* responsible for allocating a list of format names and passing them to
|
|
* this routine.
|
|
*/
|
|
int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
|
|
char *modes[])
|
|
{
|
|
struct drm_property *tv_selector;
|
|
struct drm_property *tv_subconnector;
|
|
int i;
|
|
|
|
if (dev->mode_config.tv_select_subconnector_property)
|
|
return 0;
|
|
|
|
/*
|
|
* Basic connector properties
|
|
*/
|
|
tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM,
|
|
"select subconnector",
|
|
ARRAY_SIZE(drm_tv_select_enum_list));
|
|
for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++)
|
|
drm_property_add_enum(tv_selector, i,
|
|
drm_tv_select_enum_list[i].type,
|
|
drm_tv_select_enum_list[i].name);
|
|
dev->mode_config.tv_select_subconnector_property = tv_selector;
|
|
|
|
tv_subconnector =
|
|
drm_property_create(dev, DRM_MODE_PROP_ENUM |
|
|
DRM_MODE_PROP_IMMUTABLE, "subconnector",
|
|
ARRAY_SIZE(drm_tv_subconnector_enum_list));
|
|
for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++)
|
|
drm_property_add_enum(tv_subconnector, i,
|
|
drm_tv_subconnector_enum_list[i].type,
|
|
drm_tv_subconnector_enum_list[i].name);
|
|
dev->mode_config.tv_subconnector_property = tv_subconnector;
|
|
|
|
/*
|
|
* Other, TV specific properties: margins & TV modes.
|
|
*/
|
|
dev->mode_config.tv_left_margin_property =
|
|
drm_property_create(dev, DRM_MODE_PROP_RANGE,
|
|
"left margin", 2);
|
|
dev->mode_config.tv_left_margin_property->values[0] = 0;
|
|
dev->mode_config.tv_left_margin_property->values[1] = 100;
|
|
|
|
dev->mode_config.tv_right_margin_property =
|
|
drm_property_create(dev, DRM_MODE_PROP_RANGE,
|
|
"right margin", 2);
|
|
dev->mode_config.tv_right_margin_property->values[0] = 0;
|
|
dev->mode_config.tv_right_margin_property->values[1] = 100;
|
|
|
|
dev->mode_config.tv_top_margin_property =
|
|
drm_property_create(dev, DRM_MODE_PROP_RANGE,
|
|
"top margin", 2);
|
|
dev->mode_config.tv_top_margin_property->values[0] = 0;
|
|
dev->mode_config.tv_top_margin_property->values[1] = 100;
|
|
|
|
dev->mode_config.tv_bottom_margin_property =
|
|
drm_property_create(dev, DRM_MODE_PROP_RANGE,
|
|
"bottom margin", 2);
|
|
dev->mode_config.tv_bottom_margin_property->values[0] = 0;
|
|
dev->mode_config.tv_bottom_margin_property->values[1] = 100;
|
|
|
|
dev->mode_config.tv_mode_property =
|
|
drm_property_create(dev, DRM_MODE_PROP_ENUM,
|
|
"mode", num_modes);
|
|
for (i = 0; i < num_modes; i++)
|
|
drm_property_add_enum(dev->mode_config.tv_mode_property, i,
|
|
i, modes[i]);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_create_tv_properties);
|
|
|
|
/**
|
|
* drm_mode_create_scaling_mode_property - create scaling mode property
|
|
* @dev: DRM device
|
|
*
|
|
* Called by a driver the first time it's needed, must be attached to desired
|
|
* connectors.
|
|
*/
|
|
int drm_mode_create_scaling_mode_property(struct drm_device *dev)
|
|
{
|
|
struct drm_property *scaling_mode;
|
|
int i;
|
|
|
|
if (dev->mode_config.scaling_mode_property)
|
|
return 0;
|
|
|
|
scaling_mode =
|
|
drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode",
|
|
ARRAY_SIZE(drm_scaling_mode_enum_list));
|
|
for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++)
|
|
drm_property_add_enum(scaling_mode, i,
|
|
drm_scaling_mode_enum_list[i].type,
|
|
drm_scaling_mode_enum_list[i].name);
|
|
|
|
dev->mode_config.scaling_mode_property = scaling_mode;
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
|
|
|
|
/**
|
|
* drm_mode_create_dithering_property - create dithering property
|
|
* @dev: DRM device
|
|
*
|
|
* Called by a driver the first time it's needed, must be attached to desired
|
|
* connectors.
|
|
*/
|
|
int drm_mode_create_dithering_property(struct drm_device *dev)
|
|
{
|
|
struct drm_property *dithering_mode;
|
|
int i;
|
|
|
|
if (dev->mode_config.dithering_mode_property)
|
|
return 0;
|
|
|
|
dithering_mode =
|
|
drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering",
|
|
ARRAY_SIZE(drm_dithering_mode_enum_list));
|
|
for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++)
|
|
drm_property_add_enum(dithering_mode, i,
|
|
drm_dithering_mode_enum_list[i].type,
|
|
drm_dithering_mode_enum_list[i].name);
|
|
dev->mode_config.dithering_mode_property = dithering_mode;
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_create_dithering_property);
|
|
|
|
/**
|
|
* drm_mode_config_init - initialize DRM mode_configuration structure
|
|
* @dev: DRM device
|
|
*
|
|
* LOCKING:
|
|
* None, should happen single threaded at init time.
|
|
*
|
|
* Initialize @dev's mode_config structure, used for tracking the graphics
|
|
* configuration of @dev.
|
|
*/
|
|
void drm_mode_config_init(struct drm_device *dev)
|
|
{
|
|
ENTRY();
|
|
|
|
// mutex_init(&dev->mode_config.mutex);
|
|
// mutex_init(&dev->mode_config.idr_mutex);
|
|
INIT_LIST_HEAD(&dev->mode_config.fb_list);
|
|
INIT_LIST_HEAD(&dev->mode_config.fb_kernel_list);
|
|
INIT_LIST_HEAD(&dev->mode_config.crtc_list);
|
|
INIT_LIST_HEAD(&dev->mode_config.connector_list);
|
|
INIT_LIST_HEAD(&dev->mode_config.encoder_list);
|
|
INIT_LIST_HEAD(&dev->mode_config.property_list);
|
|
INIT_LIST_HEAD(&dev->mode_config.property_blob_list);
|
|
|
|
idr_init(&dev->mode_config.crtc_idr);
|
|
|
|
// mutex_lock(&dev->mode_config.mutex);
|
|
drm_mode_create_standard_connector_properties(dev);
|
|
// mutex_unlock(&dev->mode_config.mutex);
|
|
|
|
/* Just to be sure */
|
|
dev->mode_config.num_fb = 0;
|
|
dev->mode_config.num_connector = 0;
|
|
dev->mode_config.num_crtc = 0;
|
|
dev->mode_config.num_encoder = 0;
|
|
|
|
LEAVE();
|
|
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_config_init);
|
|
|
|
int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
|
|
{
|
|
uint32_t total_objects = 0;
|
|
|
|
total_objects += dev->mode_config.num_crtc;
|
|
total_objects += dev->mode_config.num_connector;
|
|
total_objects += dev->mode_config.num_encoder;
|
|
|
|
if (total_objects == 0)
|
|
return -EINVAL;
|
|
|
|
group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL);
|
|
if (!group->id_list)
|
|
return -ENOMEM;
|
|
|
|
group->num_crtcs = 0;
|
|
group->num_connectors = 0;
|
|
group->num_encoders = 0;
|
|
return 0;
|
|
}
|
|
|
|
int drm_mode_group_init_legacy_group(struct drm_device *dev,
|
|
struct drm_mode_group *group)
|
|
{
|
|
struct drm_crtc *crtc;
|
|
struct drm_encoder *encoder;
|
|
struct drm_connector *connector;
|
|
int ret;
|
|
|
|
if ((ret = drm_mode_group_init(dev, group)))
|
|
return ret;
|
|
|
|
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
|
|
group->id_list[group->num_crtcs++] = crtc->base.id;
|
|
|
|
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
|
|
group->id_list[group->num_crtcs + group->num_encoders++] =
|
|
encoder->base.id;
|
|
|
|
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
|
|
group->id_list[group->num_crtcs + group->num_encoders +
|
|
group->num_connectors++] = connector->base.id;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* drm_mode_config_cleanup - free up DRM mode_config info
|
|
* @dev: DRM device
|
|
*
|
|
* LOCKING:
|
|
* Caller must hold mode config lock.
|
|
*
|
|
* Free up all the connectors and CRTCs associated with this DRM device, then
|
|
* free up the framebuffers and associated buffer objects.
|
|
*
|
|
* FIXME: cleanup any dangling user buffer objects too
|
|
*/
|
|
void drm_mode_config_cleanup(struct drm_device *dev)
|
|
{
|
|
struct drm_connector *connector, *ot;
|
|
struct drm_crtc *crtc, *ct;
|
|
struct drm_encoder *encoder, *enct;
|
|
struct drm_framebuffer *fb, *fbt;
|
|
struct drm_property *property, *pt;
|
|
|
|
list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,
|
|
head) {
|
|
encoder->funcs->destroy(encoder);
|
|
}
|
|
|
|
list_for_each_entry_safe(connector, ot,
|
|
&dev->mode_config.connector_list, head) {
|
|
connector->funcs->destroy(connector);
|
|
}
|
|
|
|
list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,
|
|
head) {
|
|
drm_property_destroy(dev, property);
|
|
}
|
|
|
|
list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
|
|
fb->funcs->destroy(fb);
|
|
}
|
|
|
|
list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {
|
|
crtc->funcs->destroy(crtc);
|
|
}
|
|
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_config_cleanup);
|
|
|
|
/**
|
|
* drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
|
|
* @out: drm_mode_modeinfo struct to return to the user
|
|
* @in: drm_display_mode to use
|
|
*
|
|
* LOCKING:
|
|
* None.
|
|
*
|
|
* Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
|
|
* the user.
|
|
*/
|
|
void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
|
|
struct drm_display_mode *in)
|
|
{
|
|
out->clock = in->clock;
|
|
out->hdisplay = in->hdisplay;
|
|
out->hsync_start = in->hsync_start;
|
|
out->hsync_end = in->hsync_end;
|
|
out->htotal = in->htotal;
|
|
out->hskew = in->hskew;
|
|
out->vdisplay = in->vdisplay;
|
|
out->vsync_start = in->vsync_start;
|
|
out->vsync_end = in->vsync_end;
|
|
out->vtotal = in->vtotal;
|
|
out->vscan = in->vscan;
|
|
out->vrefresh = in->vrefresh;
|
|
out->flags = in->flags;
|
|
out->type = in->type;
|
|
strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
|
|
out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
|
|
}
|
|
|
|
/**
|
|
* drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
|
|
* @out: drm_display_mode to return to the user
|
|
* @in: drm_mode_modeinfo to use
|
|
*
|
|
* LOCKING:
|
|
* None.
|
|
*
|
|
* Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
|
|
* the caller.
|
|
*/
|
|
void drm_crtc_convert_umode(struct drm_display_mode *out,
|
|
struct drm_mode_modeinfo *in)
|
|
{
|
|
out->clock = in->clock;
|
|
out->hdisplay = in->hdisplay;
|
|
out->hsync_start = in->hsync_start;
|
|
out->hsync_end = in->hsync_end;
|
|
out->htotal = in->htotal;
|
|
out->hskew = in->hskew;
|
|
out->vdisplay = in->vdisplay;
|
|
out->vsync_start = in->vsync_start;
|
|
out->vsync_end = in->vsync_end;
|
|
out->vtotal = in->vtotal;
|
|
out->vscan = in->vscan;
|
|
out->vrefresh = in->vrefresh;
|
|
out->flags = in->flags;
|
|
out->type = in->type;
|
|
strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
|
|
out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
|
|
}
|
|
|
|
|
|
#if 0
|
|
/**
|
|
* drm_mode_getresources - get graphics configuration
|
|
* @inode: inode from the ioctl
|
|
* @filp: file * from the ioctl
|
|
* @cmd: cmd from ioctl
|
|
* @arg: arg from ioctl
|
|
*
|
|
* LOCKING:
|
|
* Takes mode config lock.
|
|
*
|
|
* Construct a set of configuration description structures and return
|
|
* them to the user, including CRTC, connector and framebuffer configuration.
|
|
*
|
|
* Called by the user via ioctl.
|
|
*
|
|
* RETURNS:
|
|
* Zero on success, errno on failure.
|
|
*/
|
|
int drm_mode_getresources(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_card_res *card_res = data;
|
|
struct list_head *lh;
|
|
struct drm_framebuffer *fb;
|
|
struct drm_connector *connector;
|
|
struct drm_crtc *crtc;
|
|
struct drm_encoder *encoder;
|
|
int ret = 0;
|
|
int connector_count = 0;
|
|
int crtc_count = 0;
|
|
int fb_count = 0;
|
|
int encoder_count = 0;
|
|
int copied = 0, i;
|
|
uint32_t __user *fb_id;
|
|
uint32_t __user *crtc_id;
|
|
uint32_t __user *connector_id;
|
|
uint32_t __user *encoder_id;
|
|
struct drm_mode_group *mode_group;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
|
|
/*
|
|
* For the non-control nodes we need to limit the list of resources
|
|
* by IDs in the group list for this node
|
|
*/
|
|
list_for_each(lh, &file_priv->fbs)
|
|
fb_count++;
|
|
|
|
mode_group = &file_priv->master->minor->mode_group;
|
|
if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
|
|
|
|
list_for_each(lh, &dev->mode_config.crtc_list)
|
|
crtc_count++;
|
|
|
|
list_for_each(lh, &dev->mode_config.connector_list)
|
|
connector_count++;
|
|
|
|
list_for_each(lh, &dev->mode_config.encoder_list)
|
|
encoder_count++;
|
|
} else {
|
|
|
|
crtc_count = mode_group->num_crtcs;
|
|
connector_count = mode_group->num_connectors;
|
|
encoder_count = mode_group->num_encoders;
|
|
}
|
|
|
|
card_res->max_height = dev->mode_config.max_height;
|
|
card_res->min_height = dev->mode_config.min_height;
|
|
card_res->max_width = dev->mode_config.max_width;
|
|
card_res->min_width = dev->mode_config.min_width;
|
|
|
|
/* handle this in 4 parts */
|
|
/* FBs */
|
|
if (card_res->count_fbs >= fb_count) {
|
|
copied = 0;
|
|
fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr;
|
|
list_for_each_entry(fb, &file_priv->fbs, head) {
|
|
if (put_user(fb->base.id, fb_id + copied)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
copied++;
|
|
}
|
|
}
|
|
card_res->count_fbs = fb_count;
|
|
|
|
/* CRTCs */
|
|
if (card_res->count_crtcs >= crtc_count) {
|
|
copied = 0;
|
|
crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr;
|
|
if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
|
|
list_for_each_entry(crtc, &dev->mode_config.crtc_list,
|
|
head) {
|
|
DRM_DEBUG("CRTC ID is %d\n", crtc->base.id);
|
|
if (put_user(crtc->base.id, crtc_id + copied)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
copied++;
|
|
}
|
|
} else {
|
|
for (i = 0; i < mode_group->num_crtcs; i++) {
|
|
if (put_user(mode_group->id_list[i],
|
|
crtc_id + copied)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
copied++;
|
|
}
|
|
}
|
|
}
|
|
card_res->count_crtcs = crtc_count;
|
|
|
|
/* Encoders */
|
|
if (card_res->count_encoders >= encoder_count) {
|
|
copied = 0;
|
|
encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr;
|
|
if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
|
|
list_for_each_entry(encoder,
|
|
&dev->mode_config.encoder_list,
|
|
head) {
|
|
DRM_DEBUG("ENCODER ID is %d\n",
|
|
encoder->base.id);
|
|
if (put_user(encoder->base.id, encoder_id +
|
|
copied)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
copied++;
|
|
}
|
|
} else {
|
|
for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) {
|
|
if (put_user(mode_group->id_list[i],
|
|
encoder_id + copied)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
copied++;
|
|
}
|
|
|
|
}
|
|
}
|
|
card_res->count_encoders = encoder_count;
|
|
|
|
/* Connectors */
|
|
if (card_res->count_connectors >= connector_count) {
|
|
copied = 0;
|
|
connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr;
|
|
if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
|
|
list_for_each_entry(connector,
|
|
&dev->mode_config.connector_list,
|
|
head) {
|
|
DRM_DEBUG("CONNECTOR ID is %d\n",
|
|
connector->base.id);
|
|
if (put_user(connector->base.id,
|
|
connector_id + copied)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
copied++;
|
|
}
|
|
} else {
|
|
int start = mode_group->num_crtcs +
|
|
mode_group->num_encoders;
|
|
for (i = start; i < start + mode_group->num_connectors; i++) {
|
|
if (put_user(mode_group->id_list[i],
|
|
connector_id + copied)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
copied++;
|
|
}
|
|
}
|
|
}
|
|
card_res->count_connectors = connector_count;
|
|
|
|
DRM_DEBUG("Counted %d %d %d\n", card_res->count_crtcs,
|
|
card_res->count_connectors, card_res->count_encoders);
|
|
|
|
out:
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* drm_mode_getcrtc - get CRTC configuration
|
|
* @inode: inode from the ioctl
|
|
* @filp: file * from the ioctl
|
|
* @cmd: cmd from ioctl
|
|
* @arg: arg from ioctl
|
|
*
|
|
* LOCKING:
|
|
* Caller? (FIXME)
|
|
*
|
|
* Construct a CRTC configuration structure to return to the user.
|
|
*
|
|
* Called by the user via ioctl.
|
|
*
|
|
* RETURNS:
|
|
* Zero on success, errno on failure.
|
|
*/
|
|
int drm_mode_getcrtc(struct drm_device *dev,
|
|
void *data, struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_crtc *crtc_resp = data;
|
|
struct drm_crtc *crtc;
|
|
struct drm_mode_object *obj;
|
|
int ret = 0;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
|
|
obj = drm_mode_object_find(dev, crtc_resp->crtc_id,
|
|
DRM_MODE_OBJECT_CRTC);
|
|
if (!obj) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
crtc = obj_to_crtc(obj);
|
|
|
|
crtc_resp->x = crtc->x;
|
|
crtc_resp->y = crtc->y;
|
|
crtc_resp->gamma_size = crtc->gamma_size;
|
|
if (crtc->fb)
|
|
crtc_resp->fb_id = crtc->fb->base.id;
|
|
else
|
|
crtc_resp->fb_id = 0;
|
|
|
|
if (crtc->enabled) {
|
|
|
|
drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode);
|
|
crtc_resp->mode_valid = 1;
|
|
|
|
} else {
|
|
crtc_resp->mode_valid = 0;
|
|
}
|
|
|
|
out:
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* drm_mode_getconnector - get connector configuration
|
|
* @inode: inode from the ioctl
|
|
* @filp: file * from the ioctl
|
|
* @cmd: cmd from ioctl
|
|
* @arg: arg from ioctl
|
|
*
|
|
* LOCKING:
|
|
* Caller? (FIXME)
|
|
*
|
|
* Construct a connector configuration structure to return to the user.
|
|
*
|
|
* Called by the user via ioctl.
|
|
*
|
|
* RETURNS:
|
|
* Zero on success, errno on failure.
|
|
*/
|
|
int drm_mode_getconnector(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_get_connector *out_resp = data;
|
|
struct drm_mode_object *obj;
|
|
struct drm_connector *connector;
|
|
struct drm_display_mode *mode;
|
|
int mode_count = 0;
|
|
int props_count = 0;
|
|
int encoders_count = 0;
|
|
int ret = 0;
|
|
int copied = 0;
|
|
int i;
|
|
struct drm_mode_modeinfo u_mode;
|
|
struct drm_mode_modeinfo __user *mode_ptr;
|
|
uint32_t __user *prop_ptr;
|
|
uint64_t __user *prop_values;
|
|
uint32_t __user *encoder_ptr;
|
|
|
|
memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
|
|
|
|
DRM_DEBUG("connector id %d:\n", out_resp->connector_id);
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
|
|
obj = drm_mode_object_find(dev, out_resp->connector_id,
|
|
DRM_MODE_OBJECT_CONNECTOR);
|
|
if (!obj) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
connector = obj_to_connector(obj);
|
|
|
|
for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
|
|
if (connector->property_ids[i] != 0) {
|
|
props_count++;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
|
|
if (connector->encoder_ids[i] != 0) {
|
|
encoders_count++;
|
|
}
|
|
}
|
|
|
|
if (out_resp->count_modes == 0) {
|
|
connector->funcs->fill_modes(connector,
|
|
dev->mode_config.max_width,
|
|
dev->mode_config.max_height);
|
|
}
|
|
|
|
/* delayed so we get modes regardless of pre-fill_modes state */
|
|
list_for_each_entry(mode, &connector->modes, head)
|
|
mode_count++;
|
|
|
|
out_resp->connector_id = connector->base.id;
|
|
out_resp->connector_type = connector->connector_type;
|
|
out_resp->connector_type_id = connector->connector_type_id;
|
|
out_resp->mm_width = connector->display_info.width_mm;
|
|
out_resp->mm_height = connector->display_info.height_mm;
|
|
out_resp->subpixel = connector->display_info.subpixel_order;
|
|
out_resp->connection = connector->status;
|
|
if (connector->encoder)
|
|
out_resp->encoder_id = connector->encoder->base.id;
|
|
else
|
|
out_resp->encoder_id = 0;
|
|
|
|
/*
|
|
* This ioctl is called twice, once to determine how much space is
|
|
* needed, and the 2nd time to fill it.
|
|
*/
|
|
if ((out_resp->count_modes >= mode_count) && mode_count) {
|
|
copied = 0;
|
|
mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr;
|
|
list_for_each_entry(mode, &connector->modes, head) {
|
|
drm_crtc_convert_to_umode(&u_mode, mode);
|
|
if (copy_to_user(mode_ptr + copied,
|
|
&u_mode, sizeof(u_mode))) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
copied++;
|
|
}
|
|
}
|
|
out_resp->count_modes = mode_count;
|
|
|
|
if ((out_resp->count_props >= props_count) && props_count) {
|
|
copied = 0;
|
|
prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr);
|
|
prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr);
|
|
for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
|
|
if (connector->property_ids[i] != 0) {
|
|
if (put_user(connector->property_ids[i],
|
|
prop_ptr + copied)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
|
|
if (put_user(connector->property_values[i],
|
|
prop_values + copied)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
copied++;
|
|
}
|
|
}
|
|
}
|
|
out_resp->count_props = props_count;
|
|
|
|
if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
|
|
copied = 0;
|
|
encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr);
|
|
for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
|
|
if (connector->encoder_ids[i] != 0) {
|
|
if (put_user(connector->encoder_ids[i],
|
|
encoder_ptr + copied)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
copied++;
|
|
}
|
|
}
|
|
}
|
|
out_resp->count_encoders = encoders_count;
|
|
|
|
out:
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
|
|
int drm_mode_getencoder(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_get_encoder *enc_resp = data;
|
|
struct drm_mode_object *obj;
|
|
struct drm_encoder *encoder;
|
|
int ret = 0;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
obj = drm_mode_object_find(dev, enc_resp->encoder_id,
|
|
DRM_MODE_OBJECT_ENCODER);
|
|
if (!obj) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
encoder = obj_to_encoder(obj);
|
|
|
|
if (encoder->crtc)
|
|
enc_resp->crtc_id = encoder->crtc->base.id;
|
|
else
|
|
enc_resp->crtc_id = 0;
|
|
enc_resp->encoder_type = encoder->encoder_type;
|
|
enc_resp->encoder_id = encoder->base.id;
|
|
enc_resp->possible_crtcs = encoder->possible_crtcs;
|
|
enc_resp->possible_clones = encoder->possible_clones;
|
|
|
|
out:
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* drm_mode_setcrtc - set CRTC configuration
|
|
* @inode: inode from the ioctl
|
|
* @filp: file * from the ioctl
|
|
* @cmd: cmd from ioctl
|
|
* @arg: arg from ioctl
|
|
*
|
|
* LOCKING:
|
|
* Caller? (FIXME)
|
|
*
|
|
* Build a new CRTC configuration based on user request.
|
|
*
|
|
* Called by the user via ioctl.
|
|
*
|
|
* RETURNS:
|
|
* Zero on success, errno on failure.
|
|
*/
|
|
int drm_mode_setcrtc(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_config *config = &dev->mode_config;
|
|
struct drm_mode_crtc *crtc_req = data;
|
|
struct drm_mode_object *obj;
|
|
struct drm_crtc *crtc, *crtcfb;
|
|
struct drm_connector **connector_set = NULL, *connector;
|
|
struct drm_framebuffer *fb = NULL;
|
|
struct drm_display_mode *mode = NULL;
|
|
struct drm_mode_set set;
|
|
uint32_t __user *set_connectors_ptr;
|
|
int ret = 0;
|
|
int i;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
obj = drm_mode_object_find(dev, crtc_req->crtc_id,
|
|
DRM_MODE_OBJECT_CRTC);
|
|
if (!obj) {
|
|
DRM_DEBUG("Unknown CRTC ID %d\n", crtc_req->crtc_id);
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
crtc = obj_to_crtc(obj);
|
|
|
|
if (crtc_req->mode_valid) {
|
|
/* If we have a mode we need a framebuffer. */
|
|
/* If we pass -1, set the mode with the currently bound fb */
|
|
if (crtc_req->fb_id == -1) {
|
|
list_for_each_entry(crtcfb,
|
|
&dev->mode_config.crtc_list, head) {
|
|
if (crtcfb == crtc) {
|
|
DRM_DEBUG("Using current fb for setmode\n");
|
|
fb = crtc->fb;
|
|
}
|
|
}
|
|
} else {
|
|
obj = drm_mode_object_find(dev, crtc_req->fb_id,
|
|
DRM_MODE_OBJECT_FB);
|
|
if (!obj) {
|
|
DRM_DEBUG("Unknown FB ID%d\n", crtc_req->fb_id);
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
fb = obj_to_fb(obj);
|
|
}
|
|
|
|
mode = drm_mode_create(dev);
|
|
drm_crtc_convert_umode(mode, &crtc_req->mode);
|
|
drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
|
|
}
|
|
|
|
if (crtc_req->count_connectors == 0 && mode) {
|
|
DRM_DEBUG("Count connectors is 0 but mode set\n");
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
if (crtc_req->count_connectors > 0 && !mode && !fb) {
|
|
DRM_DEBUG("Count connectors is %d but no mode or fb set\n",
|
|
crtc_req->count_connectors);
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
if (crtc_req->count_connectors > 0) {
|
|
u32 out_id;
|
|
|
|
/* Avoid unbounded kernel memory allocation */
|
|
if (crtc_req->count_connectors > config->num_connector) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
connector_set = kmalloc(crtc_req->count_connectors *
|
|
sizeof(struct drm_connector *),
|
|
GFP_KERNEL);
|
|
if (!connector_set) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
for (i = 0; i < crtc_req->count_connectors; i++) {
|
|
set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr;
|
|
if (get_user(out_id, &set_connectors_ptr[i])) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
|
|
obj = drm_mode_object_find(dev, out_id,
|
|
DRM_MODE_OBJECT_CONNECTOR);
|
|
if (!obj) {
|
|
DRM_DEBUG("Connector id %d unknown\n", out_id);
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
connector = obj_to_connector(obj);
|
|
|
|
connector_set[i] = connector;
|
|
}
|
|
}
|
|
|
|
set.crtc = crtc;
|
|
set.x = crtc_req->x;
|
|
set.y = crtc_req->y;
|
|
set.mode = mode;
|
|
set.connectors = connector_set;
|
|
set.num_connectors = crtc_req->count_connectors;
|
|
set.fb =fb;
|
|
ret = crtc->funcs->set_config(&set);
|
|
|
|
out:
|
|
kfree(connector_set);
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
|
|
int drm_mode_cursor_ioctl(struct drm_device *dev,
|
|
void *data, struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_cursor *req = data;
|
|
struct drm_mode_object *obj;
|
|
struct drm_crtc *crtc;
|
|
int ret = 0;
|
|
|
|
DRM_DEBUG("\n");
|
|
|
|
if (!req->flags) {
|
|
DRM_ERROR("no operation set\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
|
|
if (!obj) {
|
|
DRM_DEBUG("Unknown CRTC ID %d\n", req->crtc_id);
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
crtc = obj_to_crtc(obj);
|
|
|
|
if (req->flags & DRM_MODE_CURSOR_BO) {
|
|
if (!crtc->funcs->cursor_set) {
|
|
DRM_ERROR("crtc does not support cursor\n");
|
|
ret = -ENXIO;
|
|
goto out;
|
|
}
|
|
/* Turns off the cursor if handle is 0 */
|
|
ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle,
|
|
req->width, req->height);
|
|
}
|
|
|
|
if (req->flags & DRM_MODE_CURSOR_MOVE) {
|
|
if (crtc->funcs->cursor_move) {
|
|
ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
|
|
} else {
|
|
DRM_ERROR("crtc does not support cursor\n");
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
}
|
|
out:
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* drm_mode_addfb - add an FB to the graphics configuration
|
|
* @inode: inode from the ioctl
|
|
* @filp: file * from the ioctl
|
|
* @cmd: cmd from ioctl
|
|
* @arg: arg from ioctl
|
|
*
|
|
* LOCKING:
|
|
* Takes mode config lock.
|
|
*
|
|
* Add a new FB to the specified CRTC, given a user request.
|
|
*
|
|
* Called by the user via ioctl.
|
|
*
|
|
* RETURNS:
|
|
* Zero on success, errno on failure.
|
|
*/
|
|
int drm_mode_addfb(struct drm_device *dev,
|
|
void *data, struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_fb_cmd *r = data;
|
|
struct drm_mode_config *config = &dev->mode_config;
|
|
struct drm_framebuffer *fb;
|
|
int ret = 0;
|
|
|
|
if ((config->min_width > r->width) || (r->width > config->max_width)) {
|
|
DRM_ERROR("mode new framebuffer width not within limits\n");
|
|
return -EINVAL;
|
|
}
|
|
if ((config->min_height > r->height) || (r->height > config->max_height)) {
|
|
DRM_ERROR("mode new framebuffer height not within limits\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
|
|
/* TODO check buffer is sufficently large */
|
|
/* TODO setup destructor callback */
|
|
|
|
fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
|
|
if (!fb) {
|
|
DRM_ERROR("could not create framebuffer\n");
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
r->fb_id = fb->base.id;
|
|
list_add(&fb->filp_head, &file_priv->fbs);
|
|
|
|
out:
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* drm_mode_rmfb - remove an FB from the configuration
|
|
* @inode: inode from the ioctl
|
|
* @filp: file * from the ioctl
|
|
* @cmd: cmd from ioctl
|
|
* @arg: arg from ioctl
|
|
*
|
|
* LOCKING:
|
|
* Takes mode config lock.
|
|
*
|
|
* Remove the FB specified by the user.
|
|
*
|
|
* Called by the user via ioctl.
|
|
*
|
|
* RETURNS:
|
|
* Zero on success, errno on failure.
|
|
*/
|
|
int drm_mode_rmfb(struct drm_device *dev,
|
|
void *data, struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_object *obj;
|
|
struct drm_framebuffer *fb = NULL;
|
|
struct drm_framebuffer *fbl = NULL;
|
|
uint32_t *id = data;
|
|
int ret = 0;
|
|
int found = 0;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
|
|
/* TODO check that we realy get a framebuffer back. */
|
|
if (!obj) {
|
|
DRM_ERROR("mode invalid framebuffer id\n");
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
fb = obj_to_fb(obj);
|
|
|
|
list_for_each_entry(fbl, &file_priv->fbs, filp_head)
|
|
if (fb == fbl)
|
|
found = 1;
|
|
|
|
if (!found) {
|
|
DRM_ERROR("tried to remove a fb that we didn't own\n");
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
/* TODO release all crtc connected to the framebuffer */
|
|
/* TODO unhock the destructor from the buffer object */
|
|
|
|
list_del(&fb->filp_head);
|
|
fb->funcs->destroy(fb);
|
|
|
|
out:
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* drm_mode_getfb - get FB info
|
|
* @inode: inode from the ioctl
|
|
* @filp: file * from the ioctl
|
|
* @cmd: cmd from ioctl
|
|
* @arg: arg from ioctl
|
|
*
|
|
* LOCKING:
|
|
* Caller? (FIXME)
|
|
*
|
|
* Lookup the FB given its ID and return info about it.
|
|
*
|
|
* Called by the user via ioctl.
|
|
*
|
|
* RETURNS:
|
|
* Zero on success, errno on failure.
|
|
*/
|
|
int drm_mode_getfb(struct drm_device *dev,
|
|
void *data, struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_fb_cmd *r = data;
|
|
struct drm_mode_object *obj;
|
|
struct drm_framebuffer *fb;
|
|
int ret = 0;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
|
|
if (!obj) {
|
|
DRM_ERROR("invalid framebuffer id\n");
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
fb = obj_to_fb(obj);
|
|
|
|
r->height = fb->height;
|
|
r->width = fb->width;
|
|
r->depth = fb->depth;
|
|
r->bpp = fb->bits_per_pixel;
|
|
r->pitch = fb->pitch;
|
|
fb->funcs->create_handle(fb, file_priv, &r->handle);
|
|
|
|
out:
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* drm_fb_release - remove and free the FBs on this file
|
|
* @filp: file * from the ioctl
|
|
*
|
|
* LOCKING:
|
|
* Takes mode config lock.
|
|
*
|
|
* Destroy all the FBs associated with @filp.
|
|
*
|
|
* Called by the user via ioctl.
|
|
*
|
|
* RETURNS:
|
|
* Zero on success, errno on failure.
|
|
*/
|
|
void drm_fb_release(struct drm_file *priv)
|
|
{
|
|
struct drm_device *dev = priv->minor->dev;
|
|
struct drm_framebuffer *fb, *tfb;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
|
|
list_del(&fb->filp_head);
|
|
fb->funcs->destroy(fb);
|
|
}
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
}
|
|
#endif
|
|
|
|
|
|
/**
|
|
* drm_mode_attachmode - add a mode to the user mode list
|
|
* @dev: DRM device
|
|
* @connector: connector to add the mode to
|
|
* @mode: mode to add
|
|
*
|
|
* Add @mode to @connector's user mode list.
|
|
*/
|
|
static int drm_mode_attachmode(struct drm_device *dev,
|
|
struct drm_connector *connector,
|
|
struct drm_display_mode *mode)
|
|
{
|
|
int ret = 0;
|
|
|
|
list_add_tail(&mode->head, &connector->user_modes);
|
|
return ret;
|
|
}
|
|
|
|
int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
|
|
struct drm_display_mode *mode)
|
|
{
|
|
struct drm_connector *connector;
|
|
int ret = 0;
|
|
struct drm_display_mode *dup_mode;
|
|
int need_dup = 0;
|
|
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
|
|
if (!connector->encoder)
|
|
break;
|
|
if (connector->encoder->crtc == crtc) {
|
|
if (need_dup)
|
|
dup_mode = drm_mode_duplicate(dev, mode);
|
|
else
|
|
dup_mode = mode;
|
|
ret = drm_mode_attachmode(dev, connector, dup_mode);
|
|
if (ret)
|
|
return ret;
|
|
need_dup = 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_attachmode_crtc);
|
|
|
|
static int drm_mode_detachmode(struct drm_device *dev,
|
|
struct drm_connector *connector,
|
|
struct drm_display_mode *mode)
|
|
{
|
|
int found = 0;
|
|
int ret = 0;
|
|
struct drm_display_mode *match_mode, *t;
|
|
|
|
list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
|
|
if (drm_mode_equal(match_mode, mode)) {
|
|
list_del(&match_mode->head);
|
|
drm_mode_destroy(dev, match_mode);
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
ret = -EINVAL;
|
|
|
|
return ret;
|
|
}
|
|
|
|
int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
|
|
{
|
|
struct drm_connector *connector;
|
|
|
|
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
|
|
drm_mode_detachmode(dev, connector, mode);
|
|
}
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_detachmode_crtc);
|
|
|
|
#if 0
|
|
|
|
/**
|
|
* drm_fb_attachmode - Attach a user mode to an connector
|
|
* @inode: inode from the ioctl
|
|
* @filp: file * from the ioctl
|
|
* @cmd: cmd from ioctl
|
|
* @arg: arg from ioctl
|
|
*
|
|
* This attaches a user specified mode to an connector.
|
|
* Called by the user via ioctl.
|
|
*
|
|
* RETURNS:
|
|
* Zero on success, errno on failure.
|
|
*/
|
|
int drm_mode_attachmode_ioctl(struct drm_device *dev,
|
|
void *data, struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_mode_cmd *mode_cmd = data;
|
|
struct drm_connector *connector;
|
|
struct drm_display_mode *mode;
|
|
struct drm_mode_object *obj;
|
|
struct drm_mode_modeinfo *umode = &mode_cmd->mode;
|
|
int ret = 0;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
|
|
obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
|
|
if (!obj) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
connector = obj_to_connector(obj);
|
|
|
|
mode = drm_mode_create(dev);
|
|
if (!mode) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
drm_crtc_convert_umode(mode, umode);
|
|
|
|
ret = drm_mode_attachmode(dev, connector, mode);
|
|
out:
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* drm_fb_detachmode - Detach a user specified mode from an connector
|
|
* @inode: inode from the ioctl
|
|
* @filp: file * from the ioctl
|
|
* @cmd: cmd from ioctl
|
|
* @arg: arg from ioctl
|
|
*
|
|
* Called by the user via ioctl.
|
|
*
|
|
* RETURNS:
|
|
* Zero on success, errno on failure.
|
|
*/
|
|
int drm_mode_detachmode_ioctl(struct drm_device *dev,
|
|
void *data, struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_object *obj;
|
|
struct drm_mode_mode_cmd *mode_cmd = data;
|
|
struct drm_connector *connector;
|
|
struct drm_display_mode mode;
|
|
struct drm_mode_modeinfo *umode = &mode_cmd->mode;
|
|
int ret = 0;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
|
|
obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
|
|
if (!obj) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
connector = obj_to_connector(obj);
|
|
|
|
drm_crtc_convert_umode(&mode, umode);
|
|
ret = drm_mode_detachmode(dev, connector, &mode);
|
|
out:
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
struct drm_property *drm_property_create(struct drm_device *dev, int flags,
|
|
const char *name, int num_values)
|
|
{
|
|
struct drm_property *property = NULL;
|
|
|
|
property = kzalloc(sizeof(struct drm_property), GFP_KERNEL);
|
|
if (!property)
|
|
return NULL;
|
|
|
|
if (num_values) {
|
|
property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
|
|
if (!property->values)
|
|
goto fail;
|
|
}
|
|
|
|
drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
|
|
|
|
property->flags = flags;
|
|
property->num_values = num_values;
|
|
INIT_LIST_HEAD(&property->enum_blob_list);
|
|
|
|
if (name)
|
|
strncpy(property->name, name, DRM_PROP_NAME_LEN);
|
|
|
|
|
|
list_add_tail(&property->head, &dev->mode_config.property_list);
|
|
|
|
dbgprintf("%s %x name %s\n", __FUNCTION__, property, name);
|
|
|
|
return property;
|
|
fail:
|
|
kfree(property);
|
|
return NULL;
|
|
}
|
|
EXPORT_SYMBOL(drm_property_create);
|
|
|
|
int drm_property_add_enum(struct drm_property *property, int index,
|
|
uint64_t value, const char *name)
|
|
{
|
|
struct drm_property_enum *prop_enum;
|
|
|
|
if (!(property->flags & DRM_MODE_PROP_ENUM))
|
|
return -EINVAL;
|
|
|
|
if (!list_empty(&property->enum_blob_list)) {
|
|
list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
|
|
if (prop_enum->value == value) {
|
|
strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
|
|
prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL);
|
|
if (!prop_enum)
|
|
return -ENOMEM;
|
|
|
|
strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
|
|
prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
|
|
prop_enum->value = value;
|
|
|
|
property->values[index] = value;
|
|
list_add_tail(&prop_enum->head, &property->enum_blob_list);
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(drm_property_add_enum);
|
|
|
|
void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
|
|
{
|
|
struct drm_property_enum *prop_enum, *pt;
|
|
|
|
list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
|
|
list_del(&prop_enum->head);
|
|
kfree(prop_enum);
|
|
}
|
|
|
|
if (property->num_values)
|
|
kfree(property->values);
|
|
drm_mode_object_put(dev, &property->base);
|
|
list_del(&property->head);
|
|
kfree(property);
|
|
}
|
|
EXPORT_SYMBOL(drm_property_destroy);
|
|
|
|
int drm_connector_attach_property(struct drm_connector *connector,
|
|
struct drm_property *property, uint64_t init_val)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
|
|
if (connector->property_ids[i] == 0) {
|
|
connector->property_ids[i] = property->base.id;
|
|
connector->property_values[i] = init_val;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == DRM_CONNECTOR_MAX_PROPERTY)
|
|
return -EINVAL;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(drm_connector_attach_property);
|
|
|
|
int drm_connector_property_set_value(struct drm_connector *connector,
|
|
struct drm_property *property, uint64_t value)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
|
|
if (connector->property_ids[i] == property->base.id) {
|
|
connector->property_values[i] = value;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == DRM_CONNECTOR_MAX_PROPERTY)
|
|
return -EINVAL;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(drm_connector_property_set_value);
|
|
|
|
int drm_connector_property_get_value(struct drm_connector *connector,
|
|
struct drm_property *property, uint64_t *val)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
|
|
if (connector->property_ids[i] == property->base.id) {
|
|
*val = connector->property_values[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == DRM_CONNECTOR_MAX_PROPERTY)
|
|
return -EINVAL;
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(drm_connector_property_get_value);
|
|
|
|
#if 0
|
|
int drm_mode_getproperty_ioctl(struct drm_device *dev,
|
|
void *data, struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_object *obj;
|
|
struct drm_mode_get_property *out_resp = data;
|
|
struct drm_property *property;
|
|
int enum_count = 0;
|
|
int blob_count = 0;
|
|
int value_count = 0;
|
|
int ret = 0, i;
|
|
int copied;
|
|
struct drm_property_enum *prop_enum;
|
|
struct drm_mode_property_enum __user *enum_ptr;
|
|
struct drm_property_blob *prop_blob;
|
|
uint32_t *blob_id_ptr;
|
|
uint64_t __user *values_ptr;
|
|
uint32_t __user *blob_length_ptr;
|
|
|
|
// mutex_lock(&dev->mode_config.mutex);
|
|
obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
|
|
if (!obj) {
|
|
ret = -EINVAL;
|
|
goto done;
|
|
}
|
|
property = obj_to_property(obj);
|
|
|
|
if (property->flags & DRM_MODE_PROP_ENUM) {
|
|
list_for_each_entry(prop_enum, &property->enum_blob_list, head)
|
|
enum_count++;
|
|
} else if (property->flags & DRM_MODE_PROP_BLOB) {
|
|
list_for_each_entry(prop_blob, &property->enum_blob_list, head)
|
|
blob_count++;
|
|
}
|
|
|
|
value_count = property->num_values;
|
|
|
|
strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN);
|
|
out_resp->name[DRM_PROP_NAME_LEN-1] = 0;
|
|
out_resp->flags = property->flags;
|
|
|
|
if ((out_resp->count_values >= value_count) && value_count) {
|
|
values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr;
|
|
for (i = 0; i < value_count; i++) {
|
|
if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) {
|
|
ret = -EFAULT;
|
|
goto done;
|
|
}
|
|
}
|
|
}
|
|
out_resp->count_values = value_count;
|
|
|
|
if (property->flags & DRM_MODE_PROP_ENUM) {
|
|
if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
|
|
copied = 0;
|
|
enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr;
|
|
list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
|
|
|
|
if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) {
|
|
ret = -EFAULT;
|
|
goto done;
|
|
}
|
|
|
|
if (copy_to_user(&enum_ptr[copied].name,
|
|
&prop_enum->name, DRM_PROP_NAME_LEN)) {
|
|
ret = -EFAULT;
|
|
goto done;
|
|
}
|
|
copied++;
|
|
}
|
|
}
|
|
out_resp->count_enum_blobs = enum_count;
|
|
}
|
|
|
|
if (property->flags & DRM_MODE_PROP_BLOB) {
|
|
if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
|
|
copied = 0;
|
|
blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr;
|
|
blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr;
|
|
|
|
list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
|
|
if (put_user(prop_blob->base.id, blob_id_ptr + copied)) {
|
|
ret = -EFAULT;
|
|
goto done;
|
|
}
|
|
|
|
if (put_user(prop_blob->length, blob_length_ptr + copied)) {
|
|
ret = -EFAULT;
|
|
goto done;
|
|
}
|
|
|
|
copied++;
|
|
}
|
|
}
|
|
out_resp->count_enum_blobs = blob_count;
|
|
}
|
|
done:
|
|
// mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
|
|
void *data)
|
|
{
|
|
struct drm_property_blob *blob;
|
|
|
|
if (!length || !data)
|
|
return NULL;
|
|
|
|
blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
|
|
if (!blob)
|
|
return NULL;
|
|
|
|
blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
|
|
blob->length = length;
|
|
|
|
memcpy(blob->data, data, length);
|
|
|
|
drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
|
|
|
|
list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
|
|
return blob;
|
|
}
|
|
|
|
static void drm_property_destroy_blob(struct drm_device *dev,
|
|
struct drm_property_blob *blob)
|
|
{
|
|
drm_mode_object_put(dev, &blob->base);
|
|
list_del(&blob->head);
|
|
kfree(blob);
|
|
}
|
|
|
|
#if 0
|
|
int drm_mode_getblob_ioctl(struct drm_device *dev,
|
|
void *data, struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_object *obj;
|
|
struct drm_mode_get_blob *out_resp = data;
|
|
struct drm_property_blob *blob;
|
|
int ret = 0;
|
|
void *blob_ptr;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
|
|
if (!obj) {
|
|
ret = -EINVAL;
|
|
goto done;
|
|
}
|
|
blob = obj_to_blob(obj);
|
|
|
|
if (out_resp->length == blob->length) {
|
|
blob_ptr = (void *)(unsigned long)out_resp->data;
|
|
if (copy_to_user(blob_ptr, blob->data, blob->length)){
|
|
ret = -EFAULT;
|
|
goto done;
|
|
}
|
|
}
|
|
out_resp->length = blob->length;
|
|
|
|
done:
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
int drm_mode_connector_update_edid_property(struct drm_connector *connector,
|
|
struct edid *edid)
|
|
{
|
|
struct drm_device *dev = connector->dev;
|
|
int ret = 0;
|
|
|
|
if (connector->edid_blob_ptr)
|
|
drm_property_destroy_blob(dev, connector->edid_blob_ptr);
|
|
|
|
/* Delete edid, when there is none. */
|
|
if (!edid) {
|
|
connector->edid_blob_ptr = NULL;
|
|
ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0);
|
|
return ret;
|
|
}
|
|
|
|
connector->edid_blob_ptr = drm_property_create_blob(connector->dev, 128, edid);
|
|
|
|
ret = drm_connector_property_set_value(connector,
|
|
dev->mode_config.edid_property,
|
|
connector->edid_blob_ptr->base.id);
|
|
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
|
|
|
|
#if 0
|
|
int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
|
|
void *data, struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_connector_set_property *out_resp = data;
|
|
struct drm_mode_object *obj;
|
|
struct drm_property *property;
|
|
struct drm_connector *connector;
|
|
int ret = -EINVAL;
|
|
int i;
|
|
|
|
// mutex_lock(&dev->mode_config.mutex);
|
|
|
|
obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
|
|
if (!obj) {
|
|
goto out;
|
|
}
|
|
connector = obj_to_connector(obj);
|
|
|
|
for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
|
|
if (connector->property_ids[i] == out_resp->prop_id)
|
|
break;
|
|
}
|
|
|
|
if (i == DRM_CONNECTOR_MAX_PROPERTY) {
|
|
goto out;
|
|
}
|
|
|
|
obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
|
|
if (!obj) {
|
|
goto out;
|
|
}
|
|
property = obj_to_property(obj);
|
|
|
|
if (property->flags & DRM_MODE_PROP_IMMUTABLE)
|
|
goto out;
|
|
|
|
if (property->flags & DRM_MODE_PROP_RANGE) {
|
|
if (out_resp->value < property->values[0])
|
|
goto out;
|
|
|
|
if (out_resp->value > property->values[1])
|
|
goto out;
|
|
} else {
|
|
int found = 0;
|
|
for (i = 0; i < property->num_values; i++) {
|
|
if (property->values[i] == out_resp->value) {
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (!found) {
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
/* Do DPMS ourselves */
|
|
if (property == connector->dev->mode_config.dpms_property) {
|
|
if (connector->funcs->dpms)
|
|
(*connector->funcs->dpms)(connector, (int) out_resp->value);
|
|
ret = 0;
|
|
} else if (connector->funcs->set_property)
|
|
ret = connector->funcs->set_property(connector, property, out_resp->value);
|
|
|
|
/* store the property value if succesful */
|
|
if (!ret)
|
|
drm_connector_property_set_value(connector, property, out_resp->value);
|
|
out:
|
|
// mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
int drm_mode_connector_attach_encoder(struct drm_connector *connector,
|
|
struct drm_encoder *encoder)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
|
|
if (connector->encoder_ids[i] == 0) {
|
|
connector->encoder_ids[i] = encoder->base.id;
|
|
return 0;
|
|
}
|
|
}
|
|
return -ENOMEM;
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
|
|
|
|
void drm_mode_connector_detach_encoder(struct drm_connector *connector,
|
|
struct drm_encoder *encoder)
|
|
{
|
|
int i;
|
|
for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
|
|
if (connector->encoder_ids[i] == encoder->base.id) {
|
|
connector->encoder_ids[i] = 0;
|
|
if (connector->encoder == encoder)
|
|
connector->encoder = NULL;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
|
|
|
|
bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
|
|
int gamma_size)
|
|
{
|
|
crtc->gamma_size = gamma_size;
|
|
|
|
crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
|
|
if (!crtc->gamma_store) {
|
|
crtc->gamma_size = 0;
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
|
|
|
|
#if 0
|
|
int drm_mode_gamma_set_ioctl(struct drm_device *dev,
|
|
void *data, struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_crtc_lut *crtc_lut = data;
|
|
struct drm_mode_object *obj;
|
|
struct drm_crtc *crtc;
|
|
void *r_base, *g_base, *b_base;
|
|
int size;
|
|
int ret = 0;
|
|
|
|
// mutex_lock(&dev->mode_config.mutex);
|
|
obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
|
|
if (!obj) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
crtc = obj_to_crtc(obj);
|
|
|
|
/* memcpy into gamma store */
|
|
if (crtc_lut->gamma_size != crtc->gamma_size) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
size = crtc_lut->gamma_size * (sizeof(uint16_t));
|
|
r_base = crtc->gamma_store;
|
|
if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
|
|
g_base = r_base + size;
|
|
if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
|
|
b_base = g_base + size;
|
|
if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
|
|
crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, crtc->gamma_size);
|
|
|
|
out:
|
|
// mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
|
|
}
|
|
|
|
int drm_mode_gamma_get_ioctl(struct drm_device *dev,
|
|
void *data, struct drm_file *file_priv)
|
|
{
|
|
struct drm_mode_crtc_lut *crtc_lut = data;
|
|
struct drm_mode_object *obj;
|
|
struct drm_crtc *crtc;
|
|
void *r_base, *g_base, *b_base;
|
|
int size;
|
|
int ret = 0;
|
|
|
|
// mutex_lock(&dev->mode_config.mutex);
|
|
obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
|
|
if (!obj) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
crtc = obj_to_crtc(obj);
|
|
|
|
/* memcpy into gamma store */
|
|
if (crtc_lut->gamma_size != crtc->gamma_size) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
size = crtc_lut->gamma_size * (sizeof(uint16_t));
|
|
r_base = crtc->gamma_store;
|
|
if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
|
|
g_base = r_base + size;
|
|
if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
|
|
b_base = g_base + size;
|
|
if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) {
|
|
ret = -EFAULT;
|
|
goto out;
|
|
}
|
|
out:
|
|
// mutex_unlock(&dev->mode_config.mutex);
|
|
return ret;
|
|
}
|
|
|
|
#endif
|