Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Character LCD driver for Linux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (C) 2000-2008, Willy Tarreau <w@1wt.eu>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright (C) 2016-2017 Glider bvba
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #ifndef _CHARLCD_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define _CHARLCD_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) struct charlcd {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	const struct charlcd_ops *ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	const unsigned char *char_conv;	/* Optional */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	int ifwidth;			/* 4-bit or 8-bit (default) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	int height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	int width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	int bwidth;			/* Default set by charlcd_alloc() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	int hwidth;			/* Default set by charlcd_alloc() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	void *drvdata;			/* Set by charlcd_alloc() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct charlcd_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	/* Required */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	void (*write_cmd)(struct charlcd *lcd, int cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	void (*write_data)(struct charlcd *lcd, int data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	/* Optional */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	void (*write_cmd_raw4)(struct charlcd *lcd, int cmd);	/* 4-bit only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	void (*clear_fast)(struct charlcd *lcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	void (*backlight)(struct charlcd *lcd, int on);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) struct charlcd *charlcd_alloc(unsigned int drvdata_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) void charlcd_free(struct charlcd *lcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int charlcd_register(struct charlcd *lcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int charlcd_unregister(struct charlcd *lcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) void charlcd_poke(struct charlcd *lcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #endif /* CHARLCD_H */