1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 #define DEFAULT_LCD_BWIDTH      40
4 #define DEFAULT_LCD_HWIDTH      64
5 
6 struct hd44780_common {
7 	int ifwidth;			/* 4-bit or 8-bit (default) */
8 	int bwidth;			/* Default set by hd44780_alloc() */
9 	int hwidth;			/* Default set by hd44780_alloc() */
10 	void (*write_data)(struct hd44780_common *hdc, int data);
11 	void *hd44780;
12 };
13 
14 struct hd44780_common *hd44780_common_alloc(void);
15