[linux-block.git] / drivers / auxdisplay / hd44780_common.h

/* 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() */
	void (*write_data)(struct hd44780_common *hdc, int data);
	void *hd44780;
};

struct hd44780_common *hd44780_common_alloc(void);
Commit	Line	Data
718e05ed LP	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
718e05ed LP	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() */
2545c1c9 LP	9	int hwidth; /* Default set by hd44780_alloc() */
71ff701b	10	void (write_data)(struct hd44780_common hdc, int data);
718e05ed LP	11	void *hd44780;
	12	};
	13
	14	struct hd44780_common *hd44780_common_alloc(void);