Release 4.7 drivers/gpu/drm/via/via_map.c

/*
 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
 * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license,
 * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS 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 <drm/drmP.h>
#include <drm/via_drm.h>
#include "via_drv.h"



static int via_do_init_map(struct drm_device *dev, drm_via_init_t *init)
{
	drm_via_private_t *dev_priv = dev->dev_private;

	DRM_DEBUG("\n");

	dev_priv->sarea = drm_legacy_getsarea(dev);
	if (!dev_priv->sarea) {
		DRM_ERROR("could not find sarea!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}

	dev_priv->fb = drm_legacy_findmap(dev, init->fb_offset);
	if (!dev_priv->fb) {
		DRM_ERROR("could not find framebuffer!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}
	dev_priv->mmio = drm_legacy_findmap(dev, init->mmio_offset);
	if (!dev_priv->mmio) {
		DRM_ERROR("could not find mmio region!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}

	dev_priv->sarea_priv =
	    (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->handle +
				 init->sarea_priv_offset);

	dev_priv->agpAddr = init->agpAddr;

	via_init_futex(dev_priv);

	via_init_dmablit(dev);

	dev->dev_private = (void *)dev_priv;
	return 0;
}

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dave airlie
dave airlie
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98.16%
4
57.14%
daniel vetter
daniel vetter
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0.92%
1
14.29%
david herrmann
david herrmann
1
0.46%
1
14.29%
marton nemeth
marton nemeth
1
0.46%
1
14.29%
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217
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int via_do_cleanup_map(struct drm_device *dev)
{
	via_dma_cleanup(dev);

	return 0;
}

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dave airlie
dave airlie
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int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	drm_via_init_t *init = data;

	DRM_DEBUG("\n");

	switch (init->func) {
	case VIA_INIT_MAP:
		return via_do_init_map(dev, init);
	case VIA_CLEANUP_MAP:
		return via_do_cleanup_map(dev);
	}

	return -EINVAL;
}

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dave airlie
dave airlie
44
70.97%
1
33.33%
eric anholt
eric anholt
17
27.42%
1
33.33%
marton nemeth
marton nemeth
1
1.61%
1
33.33%
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62
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3
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int via_driver_load(struct drm_device *dev, unsigned long chipset)
{
	drm_via_private_t *dev_priv;
	int ret = 0;

	dev_priv = kzalloc(sizeof(drm_via_private_t), GFP_KERNEL);
	if (dev_priv == NULL)
		return -ENOMEM;

	idr_init(&dev_priv->object_idr);
	dev->dev_private = (void *)dev_priv;

	dev_priv->chipset = chipset;

	pci_set_master(dev->pdev);

	ret = drm_vblank_init(dev, 1);
	if (ret) {
		kfree(dev_priv);
		return ret;
	}

	return 0;
}

Contributors
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CommitProp
dave airlie
dave airlie
60
58.82%
3
33.33%
keith packard
keith packard
20
19.61%
1
11.11%
thomas hellstrom
thomas hellstrom
10
9.80%
2
22.22%
marton nemeth
marton nemeth
8
7.84%
1
11.11%
eric anholt
eric anholt
4
3.92%
2
22.22%
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102
100.00%
9
100.00%



int via_driver_unload(struct drm_device *dev)
{
	drm_via_private_t *dev_priv = dev->dev_private;

	idr_destroy(&dev_priv->object_idr);

	kfree(dev_priv);

	return 0;
}
Contributors
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Tokens
Prop
Commits
CommitProp
dave airlie
dave airlie
25
73.53%
2
50.00%
daniel vetter
daniel vetter
8
23.53%
1
25.00%
eric anholt
eric anholt
1
2.94%
1
25.00%
Total
34
100.00%
4
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
dave airlie
dave airlie
368
83.07%
5
29.41%
eric anholt
eric anholt
22
4.97%
3
17.65%
keith packard
keith packard
20
4.51%
1
5.88%
marton nemeth
marton nemeth
10
2.26%
2
11.76%
daniel vetter
daniel vetter
10
2.26%
2
11.76%
thomas hellstrom
thomas hellstrom
10
2.26%
2
11.76%
david howells
david howells
2
0.45%
1
5.88%
david herrmann
david herrmann
1
0.23%
1
5.88%
Total
443
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17
100.00%
  
Directory: drivers/gpu/drm/via

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