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