# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1629259214 0
# Node ID a66095c7f35f922102c4e231caab4cb59187f260
# Parent  6c306705f5036adb4d4395fed1c6a206f884476b
lunadrv: add suspend and resume commands

diff -r 6c306705f503 -r a66095c7f35f target-utils/lunadrv/Makefile
--- a/target-utils/lunadrv/Makefile	Tue Aug 10 02:31:38 2021 +0000
+++ b/target-utils/lunadrv/Makefile	Wed Aug 18 04:00:14 2021 +0000
@@ -7,7 +7,8 @@
 INSTDIR=/opt/freecalypso/target-bin
 
 PROG=	lunadrv
-OBJS=	crt0.o backlight.o cmdtab.o formike.o haoran.o lcdout.o main.o regcmd.o
+OBJS=	crt0.o backlight.o cmdtab.o formike.o haoran.o lcdout.o main.o regcmd.o\
+	sleep.o
 LIBS=	../libcommon/libcommon.a ../libprintf/libprintf.a ../libbase/libbase.a \
 	../libc/libc.a
 LIBGCC=	`${CC} -print-file-name=libgcc.a`
diff -r 6c306705f503 -r a66095c7f35f target-utils/lunadrv/cmdtab.c
--- a/target-utils/lunadrv/cmdtab.c	Tue Aug 10 02:31:38 2021 +0000
+++ b/target-utils/lunadrv/cmdtab.c	Wed Aug 18 04:00:14 2021 +0000
@@ -12,6 +12,8 @@
 extern void cmd_r32();
 extern void cmd_rd();
 extern void cmd_rect();
+extern void cmd_resume();
+extern void cmd_suspend();
 extern void cmd_w8();
 extern void cmd_w16();
 extern void cmd_w32();
@@ -44,6 +46,8 @@
 	{"r32", cmd_r32},
 	{"rd", cmd_rd},
 	{"rect", cmd_rect},
+	{"resume", cmd_resume},
+	{"suspend", cmd_suspend},
 	{"w8", cmd_w8},
 	{"w16", cmd_w16},
 	{"w32", cmd_w32},
diff -r 6c306705f503 -r a66095c7f35f target-utils/lunadrv/sleep.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/target-utils/lunadrv/sleep.c	Wed Aug 18 04:00:14 2021 +0000
@@ -0,0 +1,27 @@
+/*
+ * This module implements suspend and resume commands for entering
+ * and exiting ILI9225G sleep mode.  These commands are expected
+ * to work the same on both HaoRan and Formike LCDs, but the
+ * current measurement resistor that allows one to see the actual
+ * power supply current drawn by the LCD is present only on lunalcd2
+ * boards.
+ */
+
+#include "types.h"
+#include "luna.h"
+
+void
+cmd_suspend()
+{
+	LCD_REG_WR(0x0007, 0);			/* display off */
+	wait_ARM_cycles(DELAY_1MS * 50);
+	LCD_REG_WR(0x0010, 1);			/* suspend mode */
+}
+
+void
+cmd_resume()
+{
+	LCD_REG_WR(0x0010, 0);			/* out of suspend */
+	wait_ARM_cycles(DELAY_1MS * 50);
+	LCD_REG_WR(0x0007, 0x1017);		/* display on */
+}