hw/devices: Move Blizzard declarations into a new header

Add an entries the Blizzard device in MAINTAINERS.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190412165416.7977-6-philmd@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

MAINTAINERS

@@ -663,10 +663,12 @@ M: Peter Maydell <peter.maydell@linaro.org>
 L: qemu-arm@nongnu.org
 S: Odd Fixes
 F: hw/arm/nseries.c
+F: hw/display/blizzard.c
 F: hw/input/lm832x.c
 F: hw/input/tsc2005.c
 F: hw/misc/cbus.c
 F: hw/timer/twl92230.c
+F: include/hw/display/blizzard.h
 
 Palm
 M: Andrzej Zaborowski <balrogg@gmail.com>

hw/arm/nseries.c

@@ -31,6 +31,7 @@
 #include "hw/boards.h"
 #include "hw/i2c/i2c.h"
 #include "hw/devices.h"
+#include "hw/display/blizzard.h"
 #include "hw/misc/tmp105.h"
 #include "hw/block/flash.h"
 #include "hw/hw.h"

hw/display/blizzard.c

@@ -21,7 +21,7 @@
 #include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "ui/console.h"
-#include "hw/devices.h"
+#include "hw/display/blizzard.h"
 #include "ui/pixel_ops.h"
 
 typedef void (*blizzard_fn_t)(uint8_t *, const uint8_t *, unsigned int);

include/hw/devices.h

@@ -29,13 +29,6 @@ void tsc2005_set_transform(void *opaque, MouseTransformInfo *info);
 /* stellaris_input.c */
 void stellaris_gamepad_init(int n, qemu_irq *irq, const int *keycode);
 
-/* blizzard.c */
-void *s1d13745_init(qemu_irq gpio_int);
-void s1d13745_write(void *opaque, int dc, uint16_t value);
-void s1d13745_write_block(void *opaque, int dc,
-                void *buf, size_t len, int pitch);
-uint16_t s1d13745_read(void *opaque, int dc);
-
 /* cbus.c */
 typedef struct {
     qemu_irq clk;

include/hw/display/blizzard.h

+/*
+ * Epson S1D13744/S1D13745 (Blizzard/Hailstorm/Tornado) LCD/TV controller.
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Written by Andrzej Zaborowski
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef HW_DISPLAY_BLIZZARD_H
+#define HW_DISPLAY_BLIZZARD_H
+
+#include "hw/irq.h"
+
+void *s1d13745_init(qemu_irq gpio_int);
+void s1d13745_write(void *opaque, int dc, uint16_t value);
+void s1d13745_write_block(void *opaque, int dc,
+                          void *buf, size_t len, int pitch);
+uint16_t s1d13745_read(void *opaque, int dc);
+
+#endif