etnaviv: gallium driver for Vivante GPUs

This driver supports a wide range of Vivante IP cores like GC880,
GC1000, GC2000 and GC3000.

Changes from V1 -> V2:
 - added missing files to actually integrate the driver into build system.
 - adapted driver to new renderonly API

Signed-off-by: Christian Gmeiner <[email protected]>
Signed-off-by: Lucas Stach <[email protected]>
Signed-off-by: Philipp Zabel <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
Signed-off-by: Russell King <[email protected]>
Signed-off-by: Wladimir J. van der Laan <[email protected]>
Acked-by: Emil Velikov <[email protected]>

1 files changed, 86 insertions, 0 deletions

diff --git a/src/gallium/drivers/etnaviv/etnaviv_rs.h b/src/gallium/drivers/etnaviv/etnaviv_rs.h
new file mode 100644
index 00000000000..ec5b659ccd4
--- /dev/null
+++ b/src/gallium/drivers/etnaviv/etnaviv_rs.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2012-2013 Etnaviv Project
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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:
+ *    Wladimir J. van der Laan <[email protected]>
+ */
+
+#ifndef H_ETNAVIV_RS
+#define H_ETNAVIV_RS
+
+#include "etnaviv_context.h"
+#include <stdint.h>
+
+struct rs_state {
+   uint8_t downsample_x : 1; /* Downsample in x direction */
+   uint8_t downsample_y : 1; /* Downsample in y direction */
+
+   uint8_t source_format; /* RS_FORMAT_XXX */
+   uint8_t source_tiling; /* ETNA_LAYOUT_XXX */
+   uint8_t dest_tiling; /* ETNA_LAYOUT_XXX */
+   uint8_t dest_format; /* RS_FORMAT_XXX */
+   uint8_t swap_rb;
+   uint8_t flip;
+   struct etna_bo *source;
+   uint32_t source_offset;
+   uint32_t source_stride;
+   uint32_t source_padded_height; /* total padded height */
+   struct etna_bo *dest;
+   uint32_t dest_offset;
+   uint32_t dest_stride;
+   uint32_t dest_padded_height; /* total padded height */
+   uint16_t width; /* source width */
+   uint16_t height; /* source height */
+   uint32_t dither[2];
+   uint32_t clear_bits;
+   uint32_t clear_mode; /* VIVS_RS_CLEAR_CONTROL_MODE_XXX */
+   uint32_t clear_value[4];
+   uint8_t aa;
+   uint8_t endian_mode; /* ENDIAN_MODE_XXX */
+};
+
+/* treat this as opaque structure */
+struct compiled_rs_state {
+   uint32_t RS_CONFIG;
+   uint32_t RS_SOURCE_STRIDE;
+   uint32_t RS_DEST_STRIDE;
+   uint32_t RS_WINDOW_SIZE;
+   uint32_t RS_DITHER[2];
+   uint32_t RS_CLEAR_CONTROL;
+   uint32_t RS_FILL_VALUE[4];
+   uint32_t RS_EXTRA_CONFIG;
+   uint32_t RS_PIPE_OFFSET[2];
+
+   struct etna_reloc source[2];
+   struct etna_reloc dest[2];
+};
+
+/* compile RS state struct */
+void
+etna_compile_rs_state(struct etna_context *ctx, struct compiled_rs_state *cs,
+                      const struct rs_state *rs);
+
+/* modify the clear bits value in the compiled RS state */
+void
+etna_modify_rs_clearbits(struct compiled_rs_state *cs, uint32_t clear_bits);
+
+#endif