Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mach-omap1 / fb.c

diff --git a/kernel/arch/arm/mach-omap1/fb.c b/kernel/arch/arm/mach-omap1/fb.c
new file mode 100644 (file)
index 0000000..c770d45
--- /dev/null
+++ b/kernel/arch/arm/mach-omap1/fb.c
@@ -0,0 +1,80 @@
+/*
+ * File: arch/arm/plat-omap/fb.c
+ *
+ * Framebuffer device registration for TI OMAP platforms
+ *
+ * Copyright (C) 2006 Nokia Corporation
+ * Author: Imre Deak <imre.deak@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/memblock.h>
+#include <linux/io.h>
+#include <linux/omapfb.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/mach/map.h>
+
+#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE)
+
+static bool omapfb_lcd_configured;
+static struct omapfb_platform_data omapfb_config;
+
+static u64 omap_fb_dma_mask = ~(u32)0;
+
+static struct platform_device omap_fb_device = {
+       .name           = "omapfb",
+       .id             = -1,
+       .dev = {
+               .dma_mask               = &omap_fb_dma_mask,
+               .coherent_dma_mask      = DMA_BIT_MASK(32),
+               .platform_data          = &omapfb_config,
+       },
+       .num_resources = 0,
+};
+
+void __init omapfb_set_lcd_config(const struct omap_lcd_config *config)
+{
+       omapfb_config.lcd = *config;
+       omapfb_lcd_configured = true;
+}
+
+static int __init omap_init_fb(void)
+{
+       /*
+        * If the board file has not set the lcd config with
+        * omapfb_set_lcd_config(), don't bother registering the omapfb device
+        */
+       if (!omapfb_lcd_configured)
+               return 0;
+
+       return platform_device_register(&omap_fb_device);
+}
+
+arch_initcall(omap_init_fb);
+
+#else
+
+void __init omapfb_set_lcd_config(const struct omap_lcd_config *config)
+{
+}
+
+#endif