127 lines
2.5 KiB
C
127 lines
2.5 KiB
C
/*
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* Copyright (C) 2012 Red Hat
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* Copyright (c) 2015 - 2016 DisplayLink (UK) Ltd.
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*
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* Based on parts on udlfb.c:
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* Copyright (C) 2009 its respective authors
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License v2. See the file COPYING in the main directory of this archive for
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* more details.
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*/
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#include <linux/platform_device.h>
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#include <drm/drmP.h>
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#include "evdi_drv.h"
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#include "evdi_cursor.h"
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int evdi_driver_load(struct drm_device *dev,
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__always_unused unsigned long flags)
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{
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struct platform_device *platdev = NULL;
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struct evdi_device *evdi;
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int ret;
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EVDI_CHECKPT();
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evdi = kzalloc(sizeof(struct evdi_device), GFP_KERNEL);
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if (!evdi)
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return -ENOMEM;
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evdi->ddev = dev;
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dev->dev_private = evdi;
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ret = evdi_cursor_init(&evdi->cursor);
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if (ret)
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goto err;
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EVDI_CHECKPT();
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ret = evdi_modeset_init(dev);
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if (ret)
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goto err;
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#ifdef CONFIG_FB
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ret = evdi_fbdev_init(dev);
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if (ret)
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goto err;
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#endif /* CONFIG_FB */
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ret = drm_vblank_init(dev, 1);
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if (ret)
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goto err_fb;
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ret = evdi_painter_init(evdi);
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if (ret)
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goto err_fb;
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evdi_stats_init(evdi);
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drm_kms_helper_poll_init(dev);
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platdev = to_platform_device(dev->dev);
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platform_set_drvdata(platdev, dev);
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return 0;
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err_fb:
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#ifdef CONFIG_FB
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evdi_fbdev_cleanup(dev);
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#endif /* CONFIG_FB */
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err:
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kfree(evdi);
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EVDI_ERROR("%d\n", ret);
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if (evdi->cursor)
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evdi_cursor_free(evdi->cursor);
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return ret;
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}
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int evdi_driver_unload(struct drm_device *dev)
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{
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struct evdi_device *evdi = dev->dev_private;
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EVDI_CHECKPT();
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drm_vblank_cleanup(dev);
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drm_kms_helper_poll_fini(dev);
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drm_connector_unplug_all(dev);
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#ifdef CONFIG_FB
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evdi_fbdev_unplug(dev);
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#endif /* CONFIG_FB */
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if (evdi->cursor)
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evdi_cursor_free(evdi->cursor);
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evdi_painter_cleanup(evdi);
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evdi_stats_cleanup(evdi);
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#ifdef CONFIG_FB
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evdi_fbdev_cleanup(dev);
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#endif /* CONFIG_FB */
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evdi_modeset_cleanup(dev);
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kfree(evdi);
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return 0;
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}
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static void evdi_driver_close(struct drm_device *drm_dev, struct drm_file *file)
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{
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struct evdi_device *evdi = drm_dev->dev_private;
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if (evdi)
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evdi_painter_close(evdi, file);
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}
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void evdi_driver_preclose(struct drm_device *drm_dev, struct drm_file *file)
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{
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evdi_driver_close(drm_dev, file);
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}
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void evdi_driver_postclose(struct drm_device *drm_dev, struct drm_file *file)
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{
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struct evdi_device *evdi = drm_dev->dev_private;
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EVDI_DEBUG("(dev=%d) Process tries to close us, postclose\n",
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evdi ? evdi->dev_index : -1);
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evdi_log_process();
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evdi_driver_close(drm_dev, file);
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}
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