From 7fe60435bce6595a9c58a9bfd8244d74b5320e96 Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Tue, 15 Jan 2013 08:46:13 +0100
Subject: Import DirectFB141_2k11R3_beta5

---
 Source/DirectFB/gfxdrivers/radeon/radeon_crtc1.c | 171 +++++++++++++++++++++++
 1 file changed, 171 insertions(+)
 create mode 100755 Source/DirectFB/gfxdrivers/radeon/radeon_crtc1.c

(limited to 'Source/DirectFB/gfxdrivers/radeon/radeon_crtc1.c')

diff --git a/Source/DirectFB/gfxdrivers/radeon/radeon_crtc1.c b/Source/DirectFB/gfxdrivers/radeon/radeon_crtc1.c
new file mode 100755
index 0000000..c4b1610
--- /dev/null
+++ b/Source/DirectFB/gfxdrivers/radeon/radeon_crtc1.c
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) 2006 Claudio Ciccani <klan@users.sf.net>
+ *
+ * Graphics driver for ATI Radeon cards written by
+ *             Claudio Ciccani <klan@users.sf.net>.  
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <directfb.h>
+
+#include <core/coredefs.h>
+#include <core/screen.h>
+#include <core/screens.h>
+#include <core/layers.h>
+#include <core/layer_context.h>
+#include <core/layer_region.h>
+#include <core/layer_control.h>
+#include <core/layers_internal.h>
+#include <core/surface.h>
+#include <core/system.h>
+
+#include <misc/conf.h>
+
+#include "radeon.h"
+#include "radeon_regs.h"
+#include "radeon_mmio.h"
+
+
+
+/*************************** CRTC1 Screen functions **************************/
+
+static DFBResult
+crtc1WaitVSync( CoreScreen *screen,
+                void       *driver_data,
+                void       *screen_data )
+{
+     RadeonDriverData *rdrv = (RadeonDriverData*) driver_data;
+     volatile u8      *mmio = rdrv->mmio_base;
+     int               i;
+     
+     if (dfb_config->pollvsync_none)
+          return DFB_OK;
+          
+     radeon_out32( mmio, GEN_INT_STATUS, 
+          (radeon_in32( mmio, GEN_INT_STATUS ) & ~VSYNC_INT) | VSYNC_INT_AK );
+     
+     for (i = 0; i < 2000000; i++) {
+          struct timespec t = { 0, 10000 };     
+          
+          if (radeon_in32( mmio, GEN_INT_STATUS ) & VSYNC_INT)
+               break;
+          nanosleep( &t, NULL );
+     }
+
+     return DFB_OK;
+}
+
+ScreenFuncs RadeonCrtc1ScreenFuncs = {
+     .WaitVSync = crtc1WaitVSync
+};
+
+ScreenFuncs  OldPrimaryScreenFuncs;
+void        *OldPrimaryScreenDriverData;
+
+
+/*************************** CRTC1 Layer functions **************************/
+
+#define CRTC1_SUPPORTED_OPTIONS ( DLOP_ALPHACHANNEL )
+
+static DFBResult
+crtc1InitLayer( CoreLayer                  *layer,
+                void                       *driver_data,
+                void                       *layer_data,
+                DFBDisplayLayerDescription *description,
+                DFBDisplayLayerConfig      *config,
+                DFBColorAdjustment         *adjustment )
+{
+     DFBResult ret;
+     
+     ret = OldPrimaryLayerFuncs.InitLayer( layer,
+                                           OldPrimaryLayerDriverData,
+                                           layer_data, description,
+                                           config, adjustment );
+                                          
+     description->caps |= DLCAPS_ALPHACHANNEL;
+     
+     return ret;
+}
+
+static DFBResult
+crtc1TestRegion( CoreLayer                  *layer,
+                 void                       *driver_data,
+                 void                       *layer_data,
+                 CoreLayerRegionConfig      *config,
+                 CoreLayerRegionConfigFlags *failed )
+{
+     CoreLayerRegionConfig      layer_config;
+     CoreLayerRegionConfigFlags fail = 0;
+     DFBResult                  ret;
+         
+     layer_config = *config;
+     layer_config.options &= ~CRTC1_SUPPORTED_OPTIONS;
+     
+     ret = OldPrimaryLayerFuncs.TestRegion( layer,
+                                            OldPrimaryLayerDriverData,
+                                            layer_data, &layer_config, &fail );
+      
+     if (config->options & ~CRTC1_SUPPORTED_OPTIONS)
+          fail |= CLRCF_OPTIONS;
+          
+     if (config->options & DLOP_ALPHACHANNEL && config->format != DSPF_ARGB)
+          fail |= CLRCF_OPTIONS;
+     
+     if (failed)
+          *failed = fail;
+          
+     return fail ? DFB_UNSUPPORTED : DFB_OK;
+}
+
+static DFBResult
+crtc1SetRegion( CoreLayer                  *layer,
+                void                       *driver_data,
+                void                       *layer_data,
+                void                       *region_data,
+                CoreLayerRegionConfig      *config,
+                CoreLayerRegionConfigFlags  updated,
+                CoreSurface                *surface,
+                CorePalette                *palette,
+                CoreSurfaceBufferLock      *lock )
+{
+     
+     if (updated & ~CLRCF_OPTIONS) {
+          return OldPrimaryLayerFuncs.SetRegion( layer,
+                                                 OldPrimaryLayerDriverData,
+                                                 layer_data, region_data,
+                                                 config, updated, surface, palette, lock );
+     }
+
+     return DFB_OK;
+}
+
+DisplayLayerFuncs RadeonCrtc1LayerFuncs = {
+     .InitLayer  = crtc1InitLayer,
+     .TestRegion = crtc1TestRegion,
+     .SetRegion  = crtc1SetRegion
+};
+
+DisplayLayerFuncs  OldPrimaryLayerFuncs;
+void              *OldPrimaryLayerDriverData;
+
-- 
cgit