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-rw-r--r--drivers/staging/msm/mddihost_e.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/staging/msm/mddihost_e.c b/drivers/staging/msm/mddihost_e.c
new file mode 100644
index 000000000000..7de5eda71ce3
--- /dev/null
+++ b/drivers/staging/msm/mddihost_e.c
@@ -0,0 +1,63 @@
+/* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+
+#include "msm_fb.h"
+#include "mddihost.h"
+#include "mddihosti.h"
+
+#include <linux/clk.h>
+#include <mach/clk.h>
+
+extern struct semaphore mddi_host_mutex;
+static boolean mddi_host_ext_powered = FALSE;
+
+void mddi_host_start_ext_display(void)
+{
+ down(&mddi_host_mutex);
+
+ if (!mddi_host_ext_powered) {
+ mddi_host_init(MDDI_HOST_EXT);
+
+ mddi_host_ext_powered = TRUE;
+ }
+
+ up(&mddi_host_mutex);
+}
+
+void mddi_host_stop_ext_display(void)
+{
+ down(&mddi_host_mutex);
+
+ if (mddi_host_ext_powered) {
+ mddi_host_powerdown(MDDI_HOST_EXT);
+
+ mddi_host_ext_powered = FALSE;
+ }
+
+ up(&mddi_host_mutex);
+}