[armemu][display] add driver for the display controller
diff --git a/platform/armemu/display.c b/platform/armemu/display.c
new file mode 100644
index 0000000..13484ec
--- /dev/null
+++ b/platform/armemu/display.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2010 Travis Geiselbrecht
+ *
+ * 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 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 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.
+ */
+#include <err.h>
+#include <debug.h>
+#include <platform.h>
+#include "platform_p.h"
+#include <platform/armemu.h>
+#include <dev/display.h>
+#include <lib/gfx.h>
+#include <reg.h>
+
+static int display_w, display_h;
+static void *display_fb;
+
+inline static int has_display(void)
+{
+ return *REG32(SYSINFO_FEATURES) & SYSINFO_FEATURE_DISPLAY;
+}
+
+void platform_init_display(void)
+{
+ if (!has_display())
+ return;
+
+ display_fb = (void *)DISPLAY_FRAMEBUFFER;
+ display_w = 640;
+ display_h = 480;
+
+ gfx_draw_pattern();
+}
+
+void display_get_info(struct display_info *info)
+{
+ if (!has_display())
+ return;
+
+ info->framebuffer = display_fb;
+ info->format = GFX_FORMAT_RGB_x888;
+ info->width = display_w;
+ info->height = display_h;
+ info->stride = display_w;
+ info->flush = NULL;
+}
+
diff --git a/platform/armemu/platform.c b/platform/armemu/platform.c
index 744bc45..0076b57 100644
--- a/platform/armemu/platform.c
+++ b/platform/armemu/platform.c
@@ -41,5 +41,6 @@
void platform_init(void)
{
platform_init_blkdev();
+ platform_init_display();
}
diff --git a/platform/armemu/platform_p.h b/platform/armemu/platform_p.h
index 5a32f56..28f7210 100644
--- a/platform/armemu/platform_p.h
+++ b/platform/armemu/platform_p.h
@@ -26,6 +26,7 @@
void platform_init_interrupts(void);
void platform_init_timer(void);
void platform_init_blkdev(void);
+void platform_init_display(void);
#endif
diff --git a/platform/armemu/rules.mk b/platform/armemu/rules.mk
index 4eb4806..9910960 100644
--- a/platform/armemu/rules.mk
+++ b/platform/armemu/rules.mk
@@ -16,11 +16,19 @@
$(LOCAL_DIR)/platform.o \
$(LOCAL_DIR)/timer.o \
$(LOCAL_DIR)/blkdev.o \
+ $(LOCAL_DIR)/display.o \
# $(LOCAL_DIR)/console.o \
$(LOCAL_DIR)/net.o \
+DEFINES += \
+ WITH_DEV_DISPLAY=1
+
+MODULES += \
+ lib/gfx
+
+
MEMBASE := 0x0
MEMSIZE := 0x400000 # 4MB