| 123456789101112131415161718192021222324252627282930313233 |
- /* SPDX-License-Identifier: GPL-2.0-or-later */
- #define DEFAULT_LCD_BWIDTH 40
- #define DEFAULT_LCD_HWIDTH 64
- struct hd44780_common {
- int ifwidth; /* 4-bit or 8-bit (default) */
- int bwidth; /* Default set by hd44780_alloc() */
- int hwidth; /* Default set by hd44780_alloc() */
- unsigned long hd44780_common_flags;
- void (*write_data)(struct hd44780_common *hdc, int data);
- void (*write_cmd)(struct hd44780_common *hdc, int cmd);
- /* write_cmd_raw4 is for 4-bit connected displays only */
- void (*write_cmd_raw4)(struct hd44780_common *hdc, int cmd);
- void *hd44780;
- };
- int hd44780_common_print(struct charlcd *lcd, int c);
- int hd44780_common_gotoxy(struct charlcd *lcd, unsigned int x, unsigned int y);
- int hd44780_common_home(struct charlcd *lcd);
- int hd44780_common_clear_display(struct charlcd *lcd);
- int hd44780_common_init_display(struct charlcd *lcd);
- int hd44780_common_shift_cursor(struct charlcd *lcd,
- enum charlcd_shift_dir dir);
- int hd44780_common_shift_display(struct charlcd *lcd,
- enum charlcd_shift_dir dir);
- int hd44780_common_display(struct charlcd *lcd, enum charlcd_onoff on);
- int hd44780_common_cursor(struct charlcd *lcd, enum charlcd_onoff on);
- int hd44780_common_blink(struct charlcd *lcd, enum charlcd_onoff on);
- int hd44780_common_fontsize(struct charlcd *lcd, enum charlcd_fontsize size);
- int hd44780_common_lines(struct charlcd *lcd, enum charlcd_lines lines);
- int hd44780_common_redefine_char(struct charlcd *lcd, char *esc);
- struct hd44780_common *hd44780_common_alloc(void);
|
