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authorLars Poeschel <poeschel@lemonage.de>2020-11-03 10:58:17 +0100
committerMiguel Ojeda <ojeda@kernel.org>2020-11-04 11:04:04 +0100
commit01ec46dfa633a52ccfe38d4a194460d6adb2ba00 (patch)
tree14e67817c60048d0e3c361d498041b6ef64039da /drivers/auxdisplay/charlcd.h
parentbd26b181d14af003a1c9903831f5735f431530f6 (diff)
auxdisplay: Move init_display to hd44780_common
The init_display function is moved over to hd44780_common. charlcd uses it via its ops function pointer and drivers initialize the ops with the common hd44780_common_init_display function. Reviewed-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Lars Poeschel <poeschel@lemonage.de> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Diffstat (limited to 'drivers/auxdisplay/charlcd.h')
-rw-r--r--drivers/auxdisplay/charlcd.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/auxdisplay/charlcd.h b/drivers/auxdisplay/charlcd.h
index a3210305cae7..dd40fd814a57 100644
--- a/drivers/auxdisplay/charlcd.h
+++ b/drivers/auxdisplay/charlcd.h
@@ -9,6 +9,13 @@
#ifndef _CHARLCD_H
#define _CHARLCD_H
+#define LCD_FLAG_B 0x0004 /* Blink on */
+#define LCD_FLAG_C 0x0008 /* Cursor on */
+#define LCD_FLAG_D 0x0010 /* Display on */
+#define LCD_FLAG_F 0x0020 /* Large font mode */
+#define LCD_FLAG_N 0x0040 /* 2-rows mode */
+#define LCD_FLAG_L 0x0080 /* Backlight enabled */
+
enum charlcd_onoff {
CHARLCD_OFF = 0,
CHARLCD_ON,
@@ -46,6 +53,7 @@ struct charlcd {
* @clear_display: Again clear the whole display, set the cursor to 0, 0. The
* values in addr.x and addr.y are set to 0, 0 by charlcd prior to calling this
* function.
+ * @init_display: Initialize the display.
*/
struct charlcd_ops {
void (*clear_fast)(struct charlcd *lcd);
@@ -54,6 +62,7 @@ struct charlcd_ops {
int (*gotoxy)(struct charlcd *lcd);
int (*home)(struct charlcd *lcd);
int (*clear_display)(struct charlcd *lcd);
+ int (*init_display)(struct charlcd *lcd);
};
void charlcd_backlight(struct charlcd *lcd, enum charlcd_onoff on);