projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 718e05ed LP |
1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | ||
| 2545c1c9 LP |
3 | #define DEFAULT_LCD_BWIDTH 40 |
| 4 | #define DEFAULT_LCD_HWIDTH 64 | |
| 5 | ||
| 718e05ed | 6 | struct hd44780_common { |
| 3fc04dd7 | 7 | int ifwidth; /* 4-bit or 8-bit (default) */ |
| 2545c1c9 LP |
8 | int bwidth; /* Default set by hd44780_alloc() */ |
| 9 | int hwidth; /* Default set by hd44780_alloc() */ | |
| 01ec46df | 10 | unsigned long hd44780_common_flags; |
| 71ff701b | 11 | void (*write_data)(struct hd44780_common *hdc, int data); |
| 2c6a82f2 LP |
12 | void (*write_cmd)(struct hd44780_common *hdc, int cmd); |
| 13 | /* write_cmd_raw4 is for 4-bit connected displays only */ | |
| 14 | void (*write_cmd_raw4)(struct hd44780_common *hdc, int cmd); | |
| 718e05ed LP |
15 | void *hd44780; |
| 16 | }; | |
| 17 | ||
| b26deabb | 18 | int hd44780_common_print(struct charlcd *lcd, int c); |
| 40c2b72e | 19 | int hd44780_common_gotoxy(struct charlcd *lcd, unsigned int x, unsigned int y); |
| 88645a86 | 20 | int hd44780_common_home(struct charlcd *lcd); |
| 45421ffe | 21 | int hd44780_common_clear_display(struct charlcd *lcd); |
| 01ec46df | 22 | int hd44780_common_init_display(struct charlcd *lcd); |
| d2f2187e LP |
23 | int hd44780_common_shift_cursor(struct charlcd *lcd, |
| 24 | enum charlcd_shift_dir dir); | |
| 25 | int hd44780_common_shift_display(struct charlcd *lcd, | |
| 26 | enum charlcd_shift_dir dir); | |
| 27 | int hd44780_common_display(struct charlcd *lcd, enum charlcd_onoff on); | |
| 28 | int hd44780_common_cursor(struct charlcd *lcd, enum charlcd_onoff on); | |
| 29 | int hd44780_common_blink(struct charlcd *lcd, enum charlcd_onoff on); | |
| 30 | int hd44780_common_fontsize(struct charlcd *lcd, enum charlcd_fontsize size); | |
| 31 | int hd44780_common_lines(struct charlcd *lcd, enum charlcd_lines lines); | |
| 339acb08 | 32 | int hd44780_common_redefine_char(struct charlcd *lcd, char *esc); |
| 718e05ed | 33 | struct hd44780_common *hd44780_common_alloc(void); |