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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/extras/drm/shared/via_map.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/extras/drm/shared/via_map.c')
-rw-r--r--nx-X11/extras/drm/shared/via_map.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/nx-X11/extras/drm/shared/via_map.c b/nx-X11/extras/drm/shared/via_map.c
new file mode 100644
index 000000000..af850d730
--- /dev/null
+++ b/nx-X11/extras/drm/shared/via_map.c
@@ -0,0 +1,112 @@
+/*
+ * 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 "via.h"
+#include "drmP.h"
+#include "via_drm.h"
+#include "via_drv.h"
+
+int via_do_init_map(drm_device_t * dev, drm_via_init_t * init)
+{
+ drm_via_private_t *dev_priv;
+
+ DRM_DEBUG("%s\n", __FUNCTION__);
+
+ via_init_command_verifier();
+ dev_priv = DRM(alloc) (sizeof(drm_via_private_t), DRM_MEM_DRIVER);
+ if (dev_priv == NULL)
+ return -ENOMEM;
+
+ memset(dev_priv, 0, sizeof(drm_via_private_t));
+
+ DRM_GETSAREA();
+ 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_core_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_core_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 );
+ dev_priv->pro_group_a = (dev->pdev->device == 0x3118);
+
+ dev->dev_private = (void *)dev_priv;
+
+ return 0;
+}
+
+int via_do_cleanup_map(drm_device_t * dev)
+{
+ if (dev->dev_private) {
+
+ drm_via_private_t *dev_priv = dev->dev_private;
+
+ via_dma_cleanup(dev);
+
+ DRM(free) (dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
+ dev->dev_private = NULL;
+ }
+
+ return 0;
+}
+
+int via_map_init(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ drm_via_init_t init;
+
+ DRM_DEBUG("%s\n", __FUNCTION__);
+
+ DRM_COPY_FROM_USER_IOCTL(init, (drm_via_init_t *) data, sizeof(init));
+
+ 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;
+}
+