Update video driver to support the Bookeen way to use screen.

arch/arm/mach-s3c2416/Kconfig

@@ -31,4 +31,11 @@ config MACH_SMDK2416
 	select MACH_SMDK
 	help
 	  Say Y here if you are using an SMDK2416
+
+config MACH_CYBOOK2416
+   bool "CYBOOK 2416"
+   select MACH_SMDK2416
+   help
+      Say Y here is you are using a Cybook 2416
+
 endmenu

arch/arm/mach-s3c2416/Makefile

@@ -20,3 +20,4 @@ obj-$(CONFIG_S3C2416_PM)	+= pm.o
 
 obj-$(CONFIG_MACH_SMDK2416)	+= mach-smdk2416.o
 obj-$(CONFIG_MACH_SMDK2416)	+= qisda-utils.o
+obj-$(CONFIGçMACH_CYBOOK2416) += cybook.o

arch/arm/mach-s3c2416/cybook.c

@@ -0,0 +1,78 @@
+/*
+ *      cybook.c
+ *
+ *      Copyright 2009 Bookeen <yep@confucius>
+ *
+ *      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.
+ *
+ *      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.
+ */
+
+struct proc_dir_entry *platform_type_Proc_File;
+#define procfs_name "device"
+int procfile_read(char *buffer,
+         char **buffer_location,
+         off_t offset, int buffer_length, int *eof, void *data)
+{
+   int ret;
+
+   if (offset > 0) {
+      /* we have finished to read, return 0 */
+      ret  = 0;
+   } else {
+      /* fill the buffer, return the buffer size */
+
+      /* Currently, this kernel branch will only support the Cybook Gen4 TwistEffect */
+      ret = sprintf(buffer, "CYBOOK_GEN4\n");
+   }
+
+   return ret;
+}
+// ---------------------------------------------------------------------------
+// ===========================================================================
+static int __init cybooInit(void)
+{
+
+   /*  cybook proc file */
+   platform_type_Proc_File = create_proc_entry(procfs_name, 0644, NULL);
+
+   if (platform_type_Proc_File == NULL) {
+      remove_proc_entry(procfs_name, &proc_root);
+      printk(KERN_ALERT "Error: Could not initialize /proc/%s\n",
+             procfs_name);
+      }
+
+   platform_type_Proc_File->read_proc = procfile_read;
+   platform_type_Proc_File->owner    = THIS_MODULE;
+   platform_type_Proc_File->mode     = S_IFREG | S_IRUGO;
+   platform_type_Proc_File->uid   = 0;
+   platform_type_Proc_File->gid   = 0;
+   platform_type_Proc_File->size     = 37;
+
+  return 0;
+}
+// ---------------------------------------------------------------------------
+static void __exit cybookExit(void)
+{
+
+   return;
+}
+// ---------------------------------------------------------------------------
+module_init(cybookInit);
+module_exit(cybookExit);
+// ---------------------------------------------------------------------------
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Bookeen <developers@bookeen.com>");
+MODULE_DESCRIPTION("Cybook Specialized functions");
+MODULE_VERSION("2.0");
+// ===================================================================