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authorBen Skeggs <skeggsb@gmail.com>2007-06-24 20:49:19 +1000
committerBen Skeggs <skeggsb@gmail.com>2007-06-28 03:26:43 +1000
commitce0d528d3ca78348a7c1ad7c402757824fb6cf95 (patch)
treeb3ed03f63eb8cf3b4706f7447f58dd07e6922e51 /shared-core/nv50_fifo.c
parent695599f18d907bb277805581bbe208b0e083e7d9 (diff)
nouveau/nv50: skeletal backend
Diffstat (limited to 'shared-core/nv50_fifo.c')
-rw-r--r--shared-core/nv50_fifo.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/shared-core/nv50_fifo.c b/shared-core/nv50_fifo.c
new file mode 100644
index 00000000..e5d37949
--- /dev/null
+++ b/shared-core/nv50_fifo.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2007 Ben Skeggs.
+ * 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, sublicense, 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 NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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 "drm.h"
+#include "nouveau_drv.h"
+
+static void
+nv50_fifo_init_reset(drm_device_t *dev)
+{
+ drm_nouveau_private_t *dev_priv = dev->dev_private;
+ uint32_t pmc_e;
+
+ pmc_e = NV_READ(NV03_PMC_ENABLE);
+ NV_WRITE(NV03_PMC_ENABLE, pmc_e & ~NV_PMC_ENABLE_PFIFO);
+ pmc_e = NV_READ(NV03_PMC_ENABLE);
+ NV_WRITE(NV03_PMC_ENABLE, pmc_e | NV_PMC_ENABLE_PFIFO);
+}
+
+int
+nv50_fifo_init(drm_device_t *dev)
+{
+ nv50_fifo_init_reset(dev);
+
+ DRM_ERROR("stub!\n");
+ return 0;
+}
+
+void
+nv50_fifo_takedown(drm_device_t *dev)
+{
+ DRM_ERROR("stub!\n");
+}
+
+int
+nv50_fifo_create_context(drm_device_t *dev, int channel)
+{
+ DRM_ERROR("stub!\n");
+ return 0;
+}
+
+void
+nv50_fifo_destroy_context(drm_device_t *dev, int channel)
+{
+}
+
+int
+nv50_fifo_load_context(drm_device_t *dev, int channel)
+{
+ DRM_ERROR("stub!\n");
+ return 0;
+}
+
+int
+nv50_fifo_save_context(drm_device_t *dev, int channel)
+{
+ DRM_ERROR("stub!\n");
+ return 0;
+}
+