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, 95 insertions, 0 deletions

diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.h b/src/gallium/drivers/etnaviv/etnaviv_screen.h
new file mode 100644
index 00000000000..c33a9e32fab
--- /dev/null
+++ b/src/gallium/drivers/etnaviv/etnaviv_screen.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2012-2015 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]>
+ *    Christian Gmeiner <[email protected]>
+ */
+
+#ifndef H_ETNAVIV_SCREEN
+#define H_ETNAVIV_SCREEN
+
+#include "etnaviv_internal.h"
+
+#include "os/os_thread.h"
+#include "pipe/p_screen.h"
+#include "renderonly/renderonly.h"
+#include "util/slab.h"
+
+struct etna_bo;
+
+/* Enum with indices for each of the feature words */
+enum viv_features_word {
+   viv_chipFeatures = 0,
+   viv_chipMinorFeatures0 = 1,
+   viv_chipMinorFeatures1 = 2,
+   viv_chipMinorFeatures2 = 3,
+   viv_chipMinorFeatures3 = 4,
+   VIV_FEATURES_WORD_COUNT /* Must be last */
+};
+
+/** Convenience macro to probe features from state.xml.h:
+ * VIV_FEATURE(chipFeatures, FAST_CLEAR)
+ * VIV_FEATURE(chipMinorFeatures1, AUTO_DISABLE)
+ */
+#define VIV_FEATURE(screen, word, feature) \
+   ((screen->features[viv_ ## word] & (word ## _ ## feature)) != 0)
+
+struct etna_screen {
+   struct pipe_screen base;
+
+   int refcnt;
+   void *winsys_priv;
+
+   struct etna_device *dev;
+   struct etna_gpu *gpu;
+   struct etna_pipe *pipe;
+   struct renderonly *ro;
+
+   struct slab_parent_pool transfer_pool;
+
+   uint32_t model;
+   uint32_t revision;
+   uint32_t features[5];
+
+   struct etna_specs specs;
+};
+
+static inline struct etna_screen *
+etna_screen(struct pipe_screen *pscreen)
+{
+   return (struct etna_screen *)pscreen;
+}
+
+boolean
+etna_screen_bo_get_handle(struct pipe_screen *pscreen, struct etna_bo *bo,
+                          unsigned stride, struct winsys_handle *whandle);
+
+struct etna_bo *
+etna_screen_bo_from_handle(struct pipe_screen *pscreen,
+                           struct winsys_handle *whandle, unsigned *out_stride);
+
+struct pipe_screen *
+etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu,
+                   struct renderonly *ro);
+
+#endif