1/*-
2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
14 * of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 */
24
25#include <sys/cdefs.h>
26__FBSDID("$FreeBSD$");
27
28#include "dev/drm/drmP.h"
29#include "dev/drm/via_drm.h"
30#include "dev/drm/via_drv.h"
31
32static int via_do_init_map(struct drm_device * dev, drm_via_init_t * init)
33{
34	drm_via_private_t *dev_priv = dev->dev_private;
35
36	DRM_DEBUG("\n");
37
38	dev_priv->sarea = drm_getsarea(dev);
39	if (!dev_priv->sarea) {
40		DRM_ERROR("could not find sarea!\n");
41		dev->dev_private = (void *)dev_priv;
42		via_do_cleanup_map(dev);
43		return -EINVAL;
44	}
45
46	dev_priv->fb = drm_core_findmap(dev, init->fb_offset);
47	if (!dev_priv->fb) {
48		DRM_ERROR("could not find framebuffer!\n");
49		dev->dev_private = (void *)dev_priv;
50		via_do_cleanup_map(dev);
51		return -EINVAL;
52	}
53	dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
54	if (!dev_priv->mmio) {
55		DRM_ERROR("could not find mmio region!\n");
56		dev->dev_private = (void *)dev_priv;
57		via_do_cleanup_map(dev);
58		return -EINVAL;
59	}
60
61	dev_priv->sarea_priv =
62	    (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->virtual +
63				 init->sarea_priv_offset);
64
65	dev_priv->agpAddr = init->agpAddr;
66
67	via_init_futex(dev_priv);
68
69	via_init_dmablit(dev);
70
71	dev->dev_private = (void *)dev_priv;
72	return 0;
73}
74
75int via_do_cleanup_map(struct drm_device * dev)
76{
77	via_dma_cleanup(dev);
78
79	return 0;
80}
81
82int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
83{
84	drm_via_init_t *init = data;
85
86	DRM_DEBUG("\n");
87
88	switch (init->func) {
89	case VIA_INIT_MAP:
90		return via_do_init_map(dev, init);
91	case VIA_CLEANUP_MAP:
92		return via_do_cleanup_map(dev);
93	}
94
95	return -EINVAL;
96}
97
98int via_driver_load(struct drm_device *dev, unsigned long chipset)
99{
100	drm_via_private_t *dev_priv;
101	int ret = 0;
102
103	dev_priv = drm_alloc(sizeof(drm_via_private_t), DRM_MEM_DRIVER);
104	if (dev_priv == NULL)
105		return -ENOMEM;
106
107	dev->dev_private = (void *)dev_priv;
108
109	dev_priv->chipset = chipset;
110
111	ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
112	if (ret) {
113		drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
114		return ret;
115	}
116
117	ret = drm_vblank_init(dev, 1);
118	if (ret) {
119		drm_sman_takedown(&dev_priv->sman);
120		drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
121		return ret;
122	}
123
124	return 0;
125}
126
127int via_driver_unload(struct drm_device *dev)
128{
129	drm_via_private_t *dev_priv = dev->dev_private;
130
131	drm_sman_takedown(&dev_priv->sman);
132
133	drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
134	dev->dev_private = NULL;
135
136	return 0;
137}
138