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+/*
+ * Filename: cfag12864b.h
+ * Version: 0.1.0
+ * Description: cfag12864b LCD driver header
+ * License: GPLv2
+ *
+ * Author: Copyright (C) Miguel Ojeda Sandonis
+ * Date: 2006-10-12
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef _CFAG12864B_H_
+#define _CFAG12864B_H_
+
+#define CFAG12864B_WIDTH (128)
+#define CFAG12864B_HEIGHT (64)
+#define CFAG12864B_CONTROLLERS (2)
+#define CFAG12864B_PAGES (8)
+#define CFAG12864B_ADDRESSES (64)
+#define CFAG12864B_SIZE ((CFAG12864B_CONTROLLERS) * \
+ (CFAG12864B_PAGES) * \
+ (CFAG12864B_ADDRESSES))
+
+/*
+ * The driver will blit this buffer to the LCD
+ *
+ * Its size is CFAG12864B_SIZE.
+ */
+extern unsigned char * cfag12864b_buffer;
+
+/*
+ * Get the refresh rate of the LCD
+ *
+ * Returns the refresh rate (hertz).
+ */
+extern unsigned int cfag12864b_getrate(void);
+
+/*
+ * Enable refreshing
+ *
+ * Returns 0 if successful (anyone was using it),
+ * or != 0 if failed (someone is using it).
+ */
+extern unsigned char cfag12864b_enable(void);
+
+/*
+ * Disable refreshing
+ *
+ * You should call this only when you finish using the LCD.
+ */
+extern void cfag12864b_disable(void);
+
+/*
+ * Is enabled refreshing? (is anyone using the module?)
+ *
+ * Returns 0 if refreshing is not enabled (anyone is using it),
+ * or != 0 if refreshing is enabled (someone is using it).
+ *
+ * Useful for buffer read-only modules.
+ */
+extern unsigned char cfag12864b_isenabled(void);
+
+/*
+ * Is the module inited?
+ */
+extern unsigned char cfag12864b_isinited(void);
+
+#endif /* _CFAG12864B_H_ */
+