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22f579c6 DA |
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 | #include "drmP.h" | |
25 | #include "via_drm.h" | |
26 | #include "via_drv.h" | |
27 | ||
28 | static int via_do_init_map(drm_device_t * dev, drm_via_init_t * init) | |
29 | { | |
92514243 | 30 | drm_via_private_t *dev_priv = dev->dev_private; |
22f579c6 DA |
31 | |
32 | DRM_DEBUG("%s\n", __FUNCTION__); | |
33 | ||
22f579c6 DA |
34 | DRM_GETSAREA(); |
35 | if (!dev_priv->sarea) { | |
36 | DRM_ERROR("could not find sarea!\n"); | |
37 | dev->dev_private = (void *)dev_priv; | |
38 | via_do_cleanup_map(dev); | |
39 | return -EINVAL; | |
40 | } | |
41 | ||
42 | dev_priv->fb = drm_core_findmap(dev, init->fb_offset); | |
43 | if (!dev_priv->fb) { | |
44 | DRM_ERROR("could not find framebuffer!\n"); | |
45 | dev->dev_private = (void *)dev_priv; | |
46 | via_do_cleanup_map(dev); | |
47 | return -EINVAL; | |
48 | } | |
49 | dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset); | |
50 | if (!dev_priv->mmio) { | |
51 | DRM_ERROR("could not find mmio region!\n"); | |
52 | dev->dev_private = (void *)dev_priv; | |
53 | via_do_cleanup_map(dev); | |
54 | return -EINVAL; | |
55 | } | |
56 | ||
57 | dev_priv->sarea_priv = | |
58 | (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->handle + | |
59 | init->sarea_priv_offset); | |
60 | ||
61 | dev_priv->agpAddr = init->agpAddr; | |
62 | ||
b5e89ed5 | 63 | via_init_futex(dev_priv); |
92514243 DA |
64 | |
65 | via_init_dmablit(dev); | |
22f579c6 DA |
66 | |
67 | dev->dev_private = (void *)dev_priv; | |
68 | return 0; | |
69 | } | |
70 | ||
71 | int via_do_cleanup_map(drm_device_t * dev) | |
72 | { | |
92514243 | 73 | via_dma_cleanup(dev); |
22f579c6 DA |
74 | |
75 | return 0; | |
76 | } | |
77 | ||
78 | int via_map_init(DRM_IOCTL_ARGS) | |
79 | { | |
80 | DRM_DEVICE; | |
81 | drm_via_init_t init; | |
82 | ||
83 | DRM_DEBUG("%s\n", __FUNCTION__); | |
84 | ||
bbaf3641 AD |
85 | DRM_COPY_FROM_USER_IOCTL(init, (drm_via_init_t __user *) data, |
86 | sizeof(init)); | |
22f579c6 DA |
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 | } | |
92514243 DA |
97 | |
98 | int via_driver_load(drm_device_t *dev, unsigned long chipset) | |
99 | { | |
100 | drm_via_private_t *dev_priv; | |
ce65a44d | 101 | int ret = 0; |
92514243 DA |
102 | |
103 | dev_priv = drm_calloc(1, sizeof(drm_via_private_t), DRM_MEM_DRIVER); | |
104 | if (dev_priv == NULL) | |
105 | return DRM_ERR(ENOMEM); | |
106 | ||
107 | dev->dev_private = (void *)dev_priv; | |
108 | ||
109 | if (chipset == VIA_PRO_GROUP_A) | |
110 | dev_priv->pro_group_a = 1; | |
111 | ||
ce65a44d TH |
112 | ret = drm_sman_init(&dev_priv->sman, 2, 12, 8); |
113 | if (ret) { | |
114 | drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER); | |
115 | } | |
116 | return ret; | |
92514243 DA |
117 | } |
118 | ||
119 | int via_driver_unload(drm_device_t *dev) | |
120 | { | |
121 | drm_via_private_t *dev_priv = dev->dev_private; | |
122 | ||
ce65a44d TH |
123 | drm_sman_takedown(&dev_priv->sman); |
124 | ||
92514243 DA |
125 | drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER); |
126 | ||
127 | return 0; | |
128 | } | |
129 |