This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / drivers / char / drm / via_map.c

diff --git a/drivers/char/drm/via_map.c b/drivers/char/drm/via_map.c
new file mode 100644 (file)
index 0000000..c6a08e9
--- /dev/null
+++ b/drivers/char/drm/via_map.c
@@ -0,0 +1,122 @@
+/*
+ * 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 "drmP.h"
+#include "via_drm.h"
+#include "via_drv.h"
+
+static int via_do_init_map(drm_device_t * dev, drm_via_init_t * init)
+{
+       drm_via_private_t *dev_priv = dev->dev_private;
+
+       DRM_DEBUG("%s\n", __FUNCTION__);
+
+       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);
+
+       via_init_dmablit(dev);
+
+       dev->dev_private = (void *)dev_priv;
+       return 0;
+}
+
+int via_do_cleanup_map(drm_device_t * dev)
+{
+       via_dma_cleanup(dev);
+
+       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 __user *) 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;
+}
+
+int via_driver_load(drm_device_t *dev, unsigned long chipset)
+{
+       drm_via_private_t *dev_priv;
+
+       dev_priv = drm_calloc(1, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
+       if (dev_priv == NULL)
+               return DRM_ERR(ENOMEM);
+
+       dev->dev_private = (void *)dev_priv;
+
+       if (chipset == VIA_PRO_GROUP_A)
+               dev_priv->pro_group_a = 1;
+
+       return 0;
+}
+
+int via_driver_unload(drm_device_t *dev)
+{
+       drm_via_private_t *dev_priv = dev->dev_private;
+
+       drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
+
+       return 0;
+}
+