Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 206 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_platform.c b/drivers/gpu/drm/drm_platform.c
new file mode 100644
index 00000000..82431dca
--- /dev/null
+++ b/drivers/gpu/drm/drm_platform.c
@@ -0,0 +1,206 @@
+/*
+ * Derived from drm_pci.c
+ *
+ * Copyright 2003 José Fonseca.
+ * Copyright 2003 Leif Delgass.
+ * Copyright (c) 2009, Code Aurora Forum.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <linux/export.h>
+#include "drmP.h"
+
+/**
+ * Register.
+ *
+ * \param platdev - Platform device struture
+ * \return zero on success or a negative number on failure.
+ *
+ * Attempt to gets inter module "drm" information. If we are first
+ * then register the character device and inter module information.
+ * Try and register, if we fail to register, backout previous work.
+ */
+
+int drm_get_platform_dev(struct platform_device *platdev,
+			 struct drm_driver *driver)
+{
+	struct drm_device *dev;
+	int ret;
+
+	DRM_DEBUG("\n");
+
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (!dev)
+		return -ENOMEM;
+
+	dev->platformdev = platdev;
+	dev->dev = &platdev->dev;
+
+	mutex_lock(&drm_global_mutex);
+
+	ret = drm_fill_in_dev(dev, NULL, driver);
+
+	if (ret) {
+		printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
+		goto err_g1;
+	}
+
+	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+		dev_set_drvdata(&platdev->dev, dev);
+		ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
+		if (ret)
+			goto err_g1;
+	}
+
+	ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY);
+	if (ret)
+		goto err_g2;
+
+	if (dev->driver->load) {
+		ret = dev->driver->load(dev, 0);
+		if (ret)
+			goto err_g3;
+	}
+
+	/* setup the grouping for the legacy output */
+	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+		ret = drm_mode_group_init_legacy_group(dev,
+				&dev->primary->mode_group);
+		if (ret)
+			goto err_g3;
+	}
+
+	list_add_tail(&dev->driver_item, &driver->device_list);
+
+	mutex_unlock(&drm_global_mutex);
+
+	DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
+		 driver->name, driver->major, driver->minor, driver->patchlevel,
+		 driver->date, dev->primary->index);
+
+	return 0;
+
+err_g3:
+	drm_put_minor(&dev->primary);
+err_g2:
+	if (drm_core_check_feature(dev, DRIVER_MODESET))
+		drm_put_minor(&dev->control);
+err_g1:
+	kfree(dev);
+	mutex_unlock(&drm_global_mutex);
+	return ret;
+}
+EXPORT_SYMBOL(drm_get_platform_dev);
+
+static int drm_platform_get_irq(struct drm_device *dev)
+{
+	return platform_get_irq(dev->platformdev, 0);
+}
+
+static const char *drm_platform_get_name(struct drm_device *dev)
+{
+	return dev->platformdev->name;
+}
+
+static int drm_platform_set_busid(struct drm_device *dev, struct drm_master *master)
+{
+	int len, ret, id;
+
+	master->unique_len = 13 + strlen(dev->platformdev->name);
+	master->unique_size = master->unique_len;
+	master->unique = kmalloc(master->unique_len + 1, GFP_KERNEL);
+
+	if (master->unique == NULL)
+		return -ENOMEM;
+
+	id = dev->platformdev->id;
+
+	/* if only a single instance of the platform device, id will be
+	 * set to -1.. use 0 instead to avoid a funny looking bus-id:
+	 */
+	if (id == -1)
+		id = 0;
+
+	len = snprintf(master->unique, master->unique_len,
+			"platform:%s:%02d", dev->platformdev->name, id);
+
+	if (len > master->unique_len) {
+		DRM_ERROR("Unique buffer overflowed\n");
+		ret = -EINVAL;
+		goto err;
+	}
+
+	dev->devname =
+		kmalloc(strlen(dev->platformdev->name) +
+			master->unique_len + 2, GFP_KERNEL);
+
+	if (dev->devname == NULL) {
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	sprintf(dev->devname, "%s@%s", dev->platformdev->name,
+		master->unique);
+	return 0;
+err:
+	return ret;
+}
+
+static struct drm_bus drm_platform_bus = {
+	.bus_type = DRIVER_BUS_PLATFORM,
+	.get_irq = drm_platform_get_irq,
+	.get_name = drm_platform_get_name,
+	.set_busid = drm_platform_set_busid,
+};
+
+/**
+ * Platform device initialization. Called direct from modules.
+ *
+ * \return zero on success or a negative number on failure.
+ *
+ * Initializes a drm_device structures,registering the
+ * stubs
+ *
+ * Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
+ * after the initialization for driver customization.
+ */
+
+int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device)
+{
+	DRM_DEBUG("\n");
+
+	driver->kdriver.platform_device = platform_device;
+	driver->bus = &drm_platform_bus;
+	INIT_LIST_HEAD(&driver->device_list);
+	return drm_get_platform_dev(platform_device, driver);
+}
+EXPORT_SYMBOL(drm_platform_init);
+
+void drm_platform_exit(struct drm_driver *driver, struct platform_device *platform_device)
+{
+	struct drm_device *dev, *tmp;
+	DRM_DEBUG("\n");
+
+	list_for_each_entry_safe(dev, tmp, &driver->device_list, driver_item)
+		drm_put_dev(dev);
+	DRM_INFO("Module unloaded\n");
+}
+EXPORT_SYMBOL(drm_platform_exit);