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-rw-r--r--linux-core/drm_crtc.c2383
1 files changed, 0 insertions, 2383 deletions
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c
deleted file mode 100644
index aa0c4a95..00000000
--- a/linux-core/drm_crtc.c
+++ /dev/null
@@ -1,2383 +0,0 @@
-/*
- * Copyright (c) 2006-2007 Intel Corporation
- * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
- * Copyright (c) 2008 Red Hat Inc.
- *
- * DRM core CRTC related functions
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting documentation, and
- * that the name of the copyright holders not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. The copyright holders make no representations
- * about the suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
- *
- * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- *
- * Authors:
- * Keith Packard
- * Eric Anholt <eric@anholt.net>
- * Dave Airlie <airlied@linux.ie>
- * Jesse Barnes <jesse.barnes@intel.com>
- */
-#include <linux/list.h>
-#include "drm.h"
-#include "drmP.h"
-#include "drm_crtc.h"
-
-struct drm_prop_enum_list {
- int type;
- char *name;
-};
-
-/*
- * Global properties
- */
-static struct drm_prop_enum_list drm_dpms_enum_list[] =
-{ { DRM_MODE_DPMS_ON, "On" },
- { DRM_MODE_DPMS_STANDBY, "Standby" },
- { DRM_MODE_DPMS_SUSPEND, "Suspend" },
- { DRM_MODE_DPMS_OFF, "Off" }
-};
-
-char *drm_get_dpms_name(int val)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++)
- if (drm_dpms_enum_list[i].type == val)
- return drm_dpms_enum_list[i].name;
-
- return "unknown";
-}
-
-/*
- * Optional properties
- */
-static struct drm_prop_enum_list drm_scaling_mode_enum_list[] =
-{
- { DRM_MODE_SCALE_NON_GPU, "Non-GPU" },
- { DRM_MODE_SCALE_FULLSCREEN, "Fullscreen" },
- { DRM_MODE_SCALE_NO_SCALE, "No scale" },
- { DRM_MODE_SCALE_ASPECT, "Aspect" },
-};
-
-static struct drm_prop_enum_list drm_dithering_mode_enum_list[] =
-{
- { DRM_MODE_DITHERING_OFF, "Off" },
- { DRM_MODE_DITHERING_ON, "On" },
-};
-
-/*
- * Non-global properties, but "required" for certain connectors.
- */
-static struct drm_prop_enum_list drm_select_subconnector_enum_list[] =
-{
- { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
- { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
- { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
- { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
- { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
- { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
-};
-
-char *drm_get_select_subconnector_name(int val)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(drm_select_subconnector_enum_list); i++)
- if (drm_select_subconnector_enum_list[i].type == val)
- return drm_select_subconnector_enum_list[i].name;
-
- return "unknown";
-}
-
-static struct drm_prop_enum_list drm_subconnector_enum_list[] =
-{
- { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
- { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
- { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
- { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
- { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
- { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
-};
-
-char *drm_get_subconnector_name(int val)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(drm_subconnector_enum_list); i++)
- if (drm_subconnector_enum_list[i].type == val)
- return drm_subconnector_enum_list[i].name;
-
- return "unknown";
-}
-
-struct drm_conn_prop_enum_list {
- int type;
- char *name;
- int count;
-};
-
-/*
- * Connector and encoder types.
- */
-static struct drm_conn_prop_enum_list drm_connector_enum_list[] =
-{ { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 },
- { DRM_MODE_CONNECTOR_VGA, "VGA", 0 },
- { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 },
- { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 },
- { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 },
- { DRM_MODE_CONNECTOR_Composite, "Composite", 0 },
- { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 },
- { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 },
- { DRM_MODE_CONNECTOR_Component, "Component", 0 },
- { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN", 0 },
- { DRM_MODE_CONNECTOR_DisplayPort, "DisplayPort", 0 },
- { DRM_MODE_CONNECTOR_HDMIA, "HDMI Type A", 0 },
- { DRM_MODE_CONNECTOR_HDMIB, "HDMI Type B", 0 },
-};
-
-static struct drm_prop_enum_list drm_encoder_enum_list[] =
-{ { DRM_MODE_ENCODER_NONE, "None" },
- { DRM_MODE_ENCODER_DAC, "DAC" },
- { DRM_MODE_ENCODER_TMDS, "TMDS" },
- { DRM_MODE_ENCODER_LVDS, "LVDS" },
- { DRM_MODE_ENCODER_TVDAC, "TV" },
-};
-
-char *drm_get_encoder_name(struct drm_encoder *encoder)
-{
- static char buf[32];
-
- snprintf(buf, 32, "%s-%d", drm_encoder_enum_list[encoder->encoder_type].name,
- encoder->base.id);
- return buf;
-}
-
-char *drm_get_connector_name(struct drm_connector *connector)
-{
- static char buf[32];
-
- snprintf(buf, 32, "%s-%d", drm_connector_enum_list[connector->connector_type].name,
- connector->connector_type_id);
- return buf;
-}
-EXPORT_SYMBOL(drm_get_connector_name);
-
-char *drm_get_connector_status_name(enum drm_connector_status status)
-{
- if (status == connector_status_connected)
- return "connected";
- else if (status == connector_status_disconnected)
- return "disconnected";
- else
- return "unknown";
-}
-
-/**
- * drm_idr_get - allocate a new identifier
- * @dev: DRM device
- * @ptr: object pointer, used to generate unique ID
- *
- * LOCKING:
- * Caller must hold DRM mode_config lock.
- *
- * Create a unique identifier based on @ptr in @dev's identifier space. Used
- * for tracking modes, CRTCs and connectors.
- *
- * RETURNS:
- * New unique (relative to other objects in @dev) integer identifier for the
- * object.
- */
-static int drm_mode_object_get(struct drm_device *dev, struct drm_mode_object *obj, uint32_t obj_type)
-{
- int new_id = 0;
- int ret;
-again:
- if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) {
- DRM_ERROR("Ran out memory getting a mode number\n");
- return -EINVAL;
- }
-
- ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id);
- if (ret == -EAGAIN)
- goto again;
-
- obj->id = new_id;
- obj->type = obj_type;
- return 0;
-}
-
-/**
- * drm_mode_object_put - free an identifer
- * @dev: DRM device
- * @id: ID to free
- *
- * LOCKING:
- * Caller must hold DRM mode_config lock.
- *
- * Free @id from @dev's unique identifier pool.
- */
-static void drm_mode_object_put(struct drm_device *dev, struct drm_mode_object *object)
-{
- idr_remove(&dev->mode_config.crtc_idr, object->id);
-}
-
-void *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type)
-{
- struct drm_mode_object *obj;
-
- obj = idr_find(&dev->mode_config.crtc_idr, id);
- if (!obj || (obj->type != type) || (obj->id != id))
- return NULL;
-
- return obj;
-}
-EXPORT_SYMBOL(drm_mode_object_find);
-
-/**
- * drm_crtc_from_fb - find the CRTC structure associated with an fb
- * @dev: DRM device
- * @fb: framebuffer in question
- *
- * LOCKING:
- * Caller must hold mode_config lock.
- *
- * Find CRTC in the mode_config structure that matches @fb.
- *
- * RETURNS:
- * Pointer to the CRTC or NULL if it wasn't found.
- */
-struct drm_crtc *drm_crtc_from_fb(struct drm_device *dev,
- struct drm_framebuffer *fb)
-{
- struct drm_crtc *crtc;
-
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- if (crtc->fb == fb)
- return crtc;
- }
- return NULL;
-}
-
-/**
- * drm_framebuffer_create - create a new framebuffer object
- * @dev: DRM device
- *
- * LOCKING:
- * Caller must hold mode config lock.
- *
- * Creates a new framebuffer objects and adds it to @dev's DRM mode_config.
- *
- * RETURNS:
- * Pointer to new framebuffer or NULL on error.
- */
-struct drm_framebuffer *drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb,
- const struct drm_framebuffer_funcs *funcs)
-{
- if(drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB))
- return NULL;
-
- fb->dev = dev;
- fb->funcs = funcs;
- dev->mode_config.num_fb++;
- list_add(&fb->head, &dev->mode_config.fb_list);
-
- return fb;
-}
-EXPORT_SYMBOL(drm_framebuffer_init);
-
-/**
- * drm_framebuffer_cleanup - remove a framebuffer object
- * @fb: framebuffer to remove
- *
- * LOCKING:
- * Caller must hold mode config lock.
- *
- * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes
- * it, setting it to NULL.
- */
-void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
-{
- struct drm_device *dev = fb->dev;
- struct drm_crtc *crtc;
-
- /* remove from any CRTC */
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- if (crtc->fb == fb)
- crtc->fb = NULL;
- }
-
- drm_mode_object_put(dev, &fb->base);
- list_del(&fb->head);
- dev->mode_config.num_fb--;
-}
-EXPORT_SYMBOL(drm_framebuffer_cleanup);
-
-/**
- * drm_crtc_init - Initialise a new CRTC object
- * @dev: DRM device
- * @crtc: CRTC object to init
- * @funcs: callbacks for the new CRTC
- *
- * LOCKING:
- * Caller must hold mode config lock.
- *
- * Inits a new object created as base part of an driver crtc object.
- */
-void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
- const struct drm_crtc_funcs *funcs)
-{
- crtc->dev = dev;
- crtc->funcs = funcs;
-
- drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
-
- list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
- dev->mode_config.num_crtc++;
-}
-EXPORT_SYMBOL(drm_crtc_init);
-
-/**
- * drm_crtc_cleanup - Cleans up the core crtc usage.
- * @crtc: CRTC to cleanup
- *
- * LOCKING:
- * Caller must hold mode config lock.
- *
- * Cleanup @crtc. Removes from drm modesetting space
- * does NOT free object, caller does that.
- */
-void drm_crtc_cleanup(struct drm_crtc *crtc)
-{
- struct drm_device *dev = crtc->dev;
-
- if (crtc->gamma_store) {
- kfree(crtc->gamma_store);
- crtc->gamma_store = NULL;
- }
-
- drm_mode_object_put(dev, &crtc->base);
- list_del(&crtc->head);
- dev->mode_config.num_crtc--;
-}
-EXPORT_SYMBOL(drm_crtc_cleanup);
-
-/**
- * drm_mode_probed_add - add a mode to the specified connector's probed mode list
- * @connector: connector the new mode
- * @mode: mode data
- *
- * LOCKING:
- * Caller must hold mode config lock.
- *
- * Add @mode to @connector's mode list for later use.
- */
-void drm_mode_probed_add(struct drm_connector *connector,
- struct drm_display_mode *mode)
-{
- list_add(&mode->head, &connector->probed_modes);
-}
-EXPORT_SYMBOL(drm_mode_probed_add);
-
-/**
- * drm_mode_remove - remove and free a mode
- * @connector: connector list to modify
- * @mode: mode to remove
- *
- * LOCKING:
- * Caller must hold mode config lock.
- *
- * Remove @mode from @connector's mode list, then free it.
- */
-void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode)
-{
- list_del(&mode->head);
- kfree(mode);
-}
-EXPORT_SYMBOL(drm_mode_remove);
-
-/**
- * drm_connector_init - Init a preallocated connector
- * @dev: DRM device
- * @connector: the connector to init
- * @funcs: callbacks for this connector
- * @name: user visible name of the connector
- *
- * LOCKING:
- * Caller must hold @dev's mode_config lock.
- *
- * Initialises a preallocated connector. Connectors should be
- * subclassed as part of driver connector objects.
- */
-void drm_connector_init(struct drm_device *dev,
- struct drm_connector *connector,
- const struct drm_connector_funcs *funcs,
- int connector_type)
-{
- connector->dev = dev;
- connector->funcs = funcs;
- drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
- connector->connector_type = connector_type;
- connector->connector_type_id = ++drm_connector_enum_list[connector_type].count; /* TODO */
- INIT_LIST_HEAD(&connector->user_modes);
- INIT_LIST_HEAD(&connector->probed_modes);
- INIT_LIST_HEAD(&connector->modes);
- connector->edid_blob_ptr = NULL;
- /* randr_connector? */
- /* connector_set_monitor(connector)? */
- /* check for connector_ignored(connector)? */
-
- mutex_lock(&dev->mode_config.mutex);
- list_add_tail(&connector->head, &dev->mode_config.connector_list);
- dev->mode_config.num_connector++;
-
- drm_connector_attach_property(connector, dev->mode_config.edid_property, 0);
-
- drm_connector_attach_property(connector, dev->mode_config.dpms_property, 0);
-
- mutex_unlock(&dev->mode_config.mutex);
-}
-EXPORT_SYMBOL(drm_connector_init);
-
-/**
- * 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)
-{
- 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)
-{
- encoder->dev = dev;
-
- drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
- encoder->encoder_type = encoder_type;
- encoder->funcs = funcs;
-
- mutex_lock(&dev->mode_config.mutex);
- 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:
- * None.
- *
- * 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)
-{
- int i;
-
- /*
- * Standard properties (apply to all connectors)
- */
- dev->mode_config.edid_property =
- drm_property_create(dev, DRM_MODE_PROP_BLOB | DRM_MODE_PROP_IMMUTABLE,
- "EDID", 0);
-
- dev->mode_config.dpms_property =
- 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(dev->mode_config.dpms_property, i, drm_dpms_enum_list[i].type, drm_dpms_enum_list[i].name);
-
- 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)
-{
- int i;
-
- if (dev->mode_config.dvi_i_select_subconnector_property)
- return 0;
-
- dev->mode_config.dvi_i_select_subconnector_property = drm_property_create(dev, DRM_MODE_PROP_ENUM,
- "select subconnector", 3);
- /* add enum element 0-2 */
- for (i = 0; i < 3; i++)
- drm_property_add_enum(dev->mode_config.dvi_i_select_subconnector_property, i, drm_select_subconnector_enum_list[i].type,
- drm_select_subconnector_enum_list[i].name);
-
- /* This is a property which indicates the most likely thing to be connected. */
- dev->mode_config.dvi_i_subconnector_property = drm_property_create(dev, DRM_MODE_PROP_ENUM | DRM_MODE_PROP_IMMUTABLE,
- "subconnector", 3);
- /* add enum element 0-2 */
- for (i = 0; i < 3; i++)
- drm_property_add_enum(dev->mode_config.dvi_i_subconnector_property, i, drm_subconnector_enum_list[i].type,
- drm_subconnector_enum_list[i].name);
-
- 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[])
-{
- int i;
-
- if (dev->mode_config.tv_select_subconnector_property) /* already done */
- return 0;
-
- dev->mode_config.tv_select_subconnector_property = drm_property_create(dev, DRM_MODE_PROP_ENUM,
- "select subconnector", 4);
- /* add enum element 0 */
- drm_property_add_enum(dev->mode_config.tv_select_subconnector_property, 0, drm_select_subconnector_enum_list[0].type,
- drm_select_subconnector_enum_list[0].name);
- /* add enum element 3-5 */
- for (i = 1; i < 4; i++)
- drm_property_add_enum(dev->mode_config.tv_select_subconnector_property, i, drm_select_subconnector_enum_list[i + 2].type,
- drm_select_subconnector_enum_list[i + 2].name);
-
- /* This is a property which indicates the most likely thing to be connected. */
- dev->mode_config.tv_subconnector_property = drm_property_create(dev, DRM_MODE_PROP_ENUM | DRM_MODE_PROP_IMMUTABLE,
- "subconnector", 4);
- /* add enum element 0 */
- drm_property_add_enum(dev->mode_config.tv_subconnector_property, 0, drm_subconnector_enum_list[0].type,
- drm_subconnector_enum_list[0].name);
- /* add enum element 3-5 */
- for (i = 1; i < 4; i++)
- drm_property_add_enum(dev->mode_config.tv_subconnector_property, i, drm_subconnector_enum_list[i + 2].type,
- drm_subconnector_enum_list[i + 2].name);
-
- 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)
-{
- int i;
-
- if (dev->mode_config.scaling_mode_property) /* already done */
- return 0;
-
- dev->mode_config.scaling_mode_property =
- 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(dev->mode_config.scaling_mode_property, i, drm_scaling_mode_enum_list[i].type, drm_scaling_mode_enum_list[i].name);
-
- 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)
-{
- int i;
-
- if (dev->mode_config.dithering_mode_property) /* already done */
- return 0;
-
- dev->mode_config.dithering_mode_property =
- 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(dev->mode_config.dithering_mode_property, i, drm_dithering_mode_enum_list[i].type, drm_dithering_mode_enum_list[i].name);
-
- 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)
-{
- mutex_init(&dev->mode_config.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);
-
- drm_mode_create_standard_connector_properties(dev);
-
- /* 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;
- dev->mode_config.hotplug_counter = 0;
-}
-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 drmo_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;
-}
-
-/**
- * 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 *)(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 *)(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 *)(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 *)(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_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;
- /* Maybe we should check that count_connectors is a sensible value. */
- 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) {
- /* Turn of the cursor if handle is 0 */
- if (crtc->funcs->cursor_set) {
- ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, req->width, req->height);
- } else {
- DRM_ERROR("crtc does not support cursor\n");
- ret = -EFAULT;
- goto out;
- }
- }
-
- 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 file *filp)
-{
- struct drm_file *priv = filp->private_data;
- 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);
-}
-
-/*
- *
- */
-
-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);
-
-/**
- * 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;
-}
-
-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);
- 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);
-
-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;
-}
-
-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);
-}
-
-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;
-}
-
-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);
-
-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;
- }
- }
-
- 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;
-}
-
-
-int drm_mode_replacefb(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 found = 0;
- struct drm_framebuffer *fbl = NULL;
- int ret = 0;
-
- /* right replace the current bo attached to this fb with a new bo */
- mutex_lock(&dev->mode_config.mutex);
- obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
- if (!obj) {
- 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 replace an fb we didn't own\n");
- ret = -EINVAL;
- goto out;
- }
-
- if (dev->mode_config.funcs->resize_fb)
- ret = dev->mode_config.funcs->resize_fb(dev, file_priv, fb, r);
- else
- ret = -EINVAL;
-out:
- mutex_unlock(&dev->mode_config.mutex);
- return ret;
-
-}
-
-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);
-
-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;
-}