charlcd.h (976e3645923bdd2fe7893aae33fd7a21098bfb28) | charlcd.h (66ce7d5c1e124b497f45aead50df1dc3c2873382) |
---|---|
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Character LCD driver for Linux 4 * 5 * Copyright (C) 2000-2008, Willy Tarreau <w@1wt.eu> 6 * Copyright (C) 2016-2017 Glider bvba 7 */ 8 9#ifndef _CHARLCD_H 10#define _CHARLCD_H 11 | 1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Character LCD driver for Linux 4 * 5 * Copyright (C) 2000-2008, Willy Tarreau <w@1wt.eu> 6 * Copyright (C) 2016-2017 Glider bvba 7 */ 8 9#ifndef _CHARLCD_H 10#define _CHARLCD_H 11 |
12enum charlcd_onoff { 13 CHARLCD_OFF = 0, 14 CHARLCD_ON, 15}; 16 |
|
12struct charlcd { 13 const struct charlcd_ops *ops; 14 const unsigned char *char_conv; /* Optional */ 15 16 int ifwidth; /* 4-bit or 8-bit (default) */ 17 int height; 18 int width; 19 int bwidth; /* Default set by charlcd_alloc() */ --- 5 unchanged lines hidden (view full) --- 25struct charlcd_ops { 26 /* Required */ 27 void (*write_cmd)(struct charlcd *lcd, int cmd); 28 void (*write_data)(struct charlcd *lcd, int data); 29 30 /* Optional */ 31 void (*write_cmd_raw4)(struct charlcd *lcd, int cmd); /* 4-bit only */ 32 void (*clear_fast)(struct charlcd *lcd); | 17struct charlcd { 18 const struct charlcd_ops *ops; 19 const unsigned char *char_conv; /* Optional */ 20 21 int ifwidth; /* 4-bit or 8-bit (default) */ 22 int height; 23 int width; 24 int bwidth; /* Default set by charlcd_alloc() */ --- 5 unchanged lines hidden (view full) --- 30struct charlcd_ops { 31 /* Required */ 32 void (*write_cmd)(struct charlcd *lcd, int cmd); 33 void (*write_data)(struct charlcd *lcd, int data); 34 35 /* Optional */ 36 void (*write_cmd_raw4)(struct charlcd *lcd, int cmd); /* 4-bit only */ 37 void (*clear_fast)(struct charlcd *lcd); |
33 void (*backlight)(struct charlcd *lcd, int on); | 38 void (*backlight)(struct charlcd *lcd, enum charlcd_onoff on); |
34}; 35 36struct charlcd *charlcd_alloc(unsigned int drvdata_size); 37void charlcd_free(struct charlcd *lcd); 38 39int charlcd_register(struct charlcd *lcd); 40int charlcd_unregister(struct charlcd *lcd); 41 42void charlcd_poke(struct charlcd *lcd); 43 44#endif /* CHARLCD_H */ | 39}; 40 41struct charlcd *charlcd_alloc(unsigned int drvdata_size); 42void charlcd_free(struct charlcd *lcd); 43 44int charlcd_register(struct charlcd *lcd); 45int charlcd_unregister(struct charlcd *lcd); 46 47void charlcd_poke(struct charlcd *lcd); 48 49#endif /* CHARLCD_H */ |