31 #define LCD_FLAG_B		0x0004	/* Blink on */
32 #define LCD_FLAG_C		0x0008	/* Cursor on */
33 #define LCD_FLAG_D		0x0010	/* Display on */
34 #define LCD_FLAG_F		0x0020	/* Large font mode */
35 #define LCD_FLAG_N		0x0040	/* 2-rows mode */
36 #define LCD_FLAG_L		0x0080	/* Backlight enabled */
39 #define LCD_CMD_DISPLAY_CLEAR	0x01	/* Clear entire display */
41 #define LCD_CMD_ENTRY_MODE	0x04	/* Set entry mode */
42 #define LCD_CMD_CURSOR_INC	0x02	/* Increment cursor */
44 #define LCD_CMD_DISPLAY_CTRL	0x08	/* Display control */
45 #define LCD_CMD_DISPLAY_ON	0x04	/* Set display on */
46 #define LCD_CMD_CURSOR_ON	0x02	/* Set cursor on */
47 #define LCD_CMD_BLINK_ON	0x01	/* Set blink on */
49 #define LCD_CMD_SHIFT		0x10	/* Shift cursor/display */
50 #define LCD_CMD_DISPLAY_SHIFT	0x08	/* Shift display instead of cursor */
51 #define LCD_CMD_SHIFT_RIGHT	0x04	/* Shift display/cursor to the right */
53 #define LCD_CMD_FUNCTION_SET	0x20	/* Set function */
54 #define LCD_CMD_DATA_LEN_8BITS	0x10	/* Set data length to 8 bits */
55 #define LCD_CMD_TWO_LINES	0x08	/* Set to two display lines */
56 #define LCD_CMD_FONT_5X10_DOTS	0x04	/* Set char font to 5x10 dots */
58 #define LCD_CMD_SET_CGRAM_ADDR	0x40	/* Set char generator RAM address */
60 #define LCD_CMD_SET_DDRAM_ADDR	0x80	/* Set display data RAM address */
127 			priv->lcd.ops->backlight(&priv->lcd, 0);  in charlcd_bl_off()
173 	priv->addr.x = 0;  in charlcd_home()
174 	priv->addr.y = 0;  in charlcd_home()
203 		for (pos = 0; pos < min(2, lcd->height) * lcd->hwidth; pos++)  in charlcd_clear_fast()
215 	priv->addr.x = 0;  in charlcd_clear_display()
216 	priv->addr.y = 0;  in charlcd_clear_display()
230 	priv->flags = ((lcd->height > 1) ? LCD_FLAG_N : 0) | LCD_FLAG_D |  in charlcd_init_display()
262 		((lcd->ifwidth == 8) ? LCD_CMD_DATA_LEN_8BITS : 0) |  in charlcd_init_display()
263 		((priv->flags & LCD_FLAG_F) ? LCD_CMD_FONT_5X10_DOTS : 0) |  in charlcd_init_display()
264 		((priv->flags & LCD_FLAG_N) ? LCD_CMD_TWO_LINES : 0));  in charlcd_init_display()
273 		((priv->flags & LCD_FLAG_D) ? LCD_CMD_DISPLAY_ON : 0) |  in charlcd_init_display()
274 		((priv->flags & LCD_FLAG_C) ? LCD_CMD_CURSOR_ON : 0) |  in charlcd_init_display()
275 		((priv->flags & LCD_FLAG_B) ? LCD_CMD_BLINK_ON : 0));  in charlcd_init_display()
277 	charlcd_backlight(lcd, (priv->flags & LCD_FLAG_L) ? 1 : 0);  in charlcd_init_display()
285 	return 0;  in charlcd_init_display()
290  * any number of subcommands of the form "(x|y)[0-9]+".
354 	int processed = 0;  in handle_lcd_special_code()
414 		if (priv->addr.x > 0) {  in handle_lcd_special_code()
458 		/* Generator : LGcxxxxx...xx; must have <c> between '0'  in handle_lcd_special_code()
478 		cgaddr = *(esc++) - '0';  in handle_lcd_special_code()
484 		cgoffset = 0;  in handle_lcd_special_code()
485 		shift = 0;  in handle_lcd_special_code()
486 		value = 0;  in handle_lcd_special_code()
493 			if (half < 0)  in handle_lcd_special_code()
497 			if (shift == 0) {  in handle_lcd_special_code()
499 				value = 0;  in handle_lcd_special_code()
504 		for (addr = 0; addr < cgoffset; addr++)  in handle_lcd_special_code()
537 			((priv->flags & LCD_FLAG_D) ? LCD_CMD_DISPLAY_ON : 0) |  in handle_lcd_special_code()
538 			((priv->flags & LCD_FLAG_C) ? LCD_CMD_CURSOR_ON : 0) |  in handle_lcd_special_code()
539 			((priv->flags & LCD_FLAG_B) ? LCD_CMD_BLINK_ON : 0));  in handle_lcd_special_code()
544 			((lcd->ifwidth == 8) ? LCD_CMD_DATA_LEN_8BITS : 0) |  in handle_lcd_special_code()
545 			((priv->flags & LCD_FLAG_F) ? LCD_CMD_FONT_5X10_DOTS : 0) |  in handle_lcd_special_code()
546 			((priv->flags & LCD_FLAG_N) ? LCD_CMD_TWO_LINES : 0));  in handle_lcd_special_code()
559 	if ((c != '\n') && priv->esc_seq.len >= 0) {  in charlcd_write_char()
562 		priv->esc_seq.buf[priv->esc_seq.len] = '\0';  in charlcd_write_char()
570 			priv->esc_seq.len = 0;  in charlcd_write_char()
571 			priv->esc_seq.buf[priv->esc_seq.len] = '\0';  in charlcd_write_char()
575 			if (priv->addr.x > 0) {  in charlcd_write_char()
601 			priv->addr.x = 0;  in charlcd_write_char()
607 			priv->addr.x = 0;  in charlcd_write_char()
626 		int processed = 0;  in charlcd_write_char()
639 			 (priv->esc_seq.buf[0] == '[') &&  in charlcd_write_char()
662 	for (; count-- > 0; (*ppos)++, tmp++) {  in charlcd_write()
663 		if (!in_interrupt() && (((count + 1) & 0x1f) == 0))  in charlcd_write()
706 	return 0;  in charlcd_release()
727 	for (; count-- > 0; tmp++) {  in charlcd_puts()
728 		if (!in_interrupt() && (((count + 1) & 0x1f) == 0))  in charlcd_puts()
746 #define LCD_INIT_BL "\x1b[L+"
748 #define LCD_INIT_BL "\x1b[L*"
750 #define LCD_INIT_BL "\x1b[L-"
774 	charlcd_puts(lcd, "\x1b[Lc\x1b[Lb" LCD_INIT_BL LCD_INIT_TEXT);  in charlcd_init()
779 	return 0;  in charlcd_init()
817 			     "\x0cReloading\nSystem...\x1b[Lc\x1b[Lb\x1b[L+");  in panel_notify_sys()
820 		charlcd_puts(lcd, "\x0cSystem Halted.\x1b[Lc\x1b[Lb\x1b[L+");  in panel_notify_sys()
823 		charlcd_puts(lcd, "\x0cPower off.\x1b[Lc\x1b[Lb\x1b[L+");  in panel_notify_sys()
834 	0
851 	return 0;  in charlcd_register()
860 	charlcd_puts(lcd, "\x0cLCD driver unloaded.\x1b[Lc\x1b[Lb\x1b[L-");  in charlcd_unregister()
865 		priv->lcd.ops->backlight(&priv->lcd, 0);  in charlcd_unregister()
868 	return 0;  in charlcd_unregister()