drm: Add via unichrome support

Add DRM device driver for VIA Unichrome chipsets

From: Unichrome Project http://unichrome.sf.net, Erdi Chen, Thomas Hellstrom    Signed-off-by: Dave Airlie <airlied@linux.ie>

1 files changed, 61 insertions, 0 deletions

diff --git a/drivers/char/drm/via_verifier.h b/drivers/char/drm/via_verifier.h
new file mode 100644
index 000000000000..a8e13592620f
--- /dev/null
+++ b/drivers/char/drm/via_verifier.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2004 The Unichrome Project. 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
+ * THE UNICHROME PROJECT, 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.
+ *
+ * Author: Thomas Hellström 2004.
+ */
+
+#ifndef _VIA_VERIFIER_H_
+#define _VIA_VERIFIER_H_
+
+typedef enum{
+        no_sequence = 0, 
+        z_address,
+        dest_address,
+        tex_address
+}drm_via_sequence_t;
+
+
+
+typedef struct{
+        unsigned texture;
+        uint32_t z_addr; 
+        uint32_t d_addr; 
+        uint32_t t_addr[2][10];
+        uint32_t pitch[2][10];
+        uint32_t height[2][10];
+        uint32_t tex_level_lo[2]; 
+        uint32_t tex_level_hi[2];
+        uint32_t tex_palette_size[2];
+        drm_via_sequence_t unfinished;
+        int agp_texture;
+        int multitex;
+        drm_device_t *dev;
+        drm_map_t *map_cache;
+        uint32_t vertex_count;
+        int agp;
+        const uint32_t *buf_start;
+} drm_via_state_t;
+
+extern int via_verify_command_stream(const uint32_t * buf, unsigned int size, 
+                                     drm_device_t *dev, int agp);
+
+#endif