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path: root/drivers/gpu/drm/radeon/cayman_blit_shaders.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/cayman_blit_shaders.c')
-rw-r--r--drivers/gpu/drm/radeon/cayman_blit_shaders.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cayman_blit_shaders.c b/drivers/gpu/drm/radeon/cayman_blit_shaders.c
new file mode 100644
index 000000000000..e148ab04b80b
--- /dev/null
+++ b/drivers/gpu/drm/radeon/cayman_blit_shaders.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2010 Advanced Micro Devices, Inc.
+ *
+ * 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 HOLDER(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.
+ *
+ * Authors:
+ * Alex Deucher <alexander.deucher@amd.com>
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+/*
+ * evergreen cards need to use the 3D engine to blit data which requires
+ * quite a bit of hw state setup. Rather than pull the whole 3D driver
+ * (which normally generates the 3D state) into the DRM, we opt to use
+ * statically generated state tables. The regsiter state and shaders
+ * were hand generated to support blitting functionality. See the 3D
+ * driver or documentation for descriptions of the registers and
+ * shader instructions.
+ */
+
+const u32 cayman_default_state[] =
+{
+ /* XXX fill in additional blit state */
+
+ 0xc0026900,
+ 0x00000316,
+ 0x0000000e, /* VGT_VERTEX_REUSE_BLOCK_CNTL */
+ 0x00000010, /* */
+
+ 0xc0026900,
+ 0x000000d9,
+ 0x00000000, /* CP_RINGID */
+ 0x00000000, /* CP_VMID */
+};
+
+const u32 cayman_default_size = ARRAY_SIZE(cayman_default_state);