media: rc: add keymap for KHAMSIN remote

This remote ships with the Amlogic SML-5442TW IPTV/VOD Set-Top Box
used by O2.cz. This keymap adds support for the default IR controls.
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/devicetree/bindings/media/rc.yaml

@@ -83,6 +83,7 @@ properties:
       - rc-it913x-v2
       - rc-kaiomy
       - rc-khadas
+      - rc-khamsin
       - rc-kworld-315u
       - rc-kworld-pc150u
       - rc-kworld-plus-tv-analog

drivers/media/rc/keymaps/Makefile

@@ -60,6 +60,7 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \
 			rc-it913x-v2.o \
 			rc-kaiomy.o \
 			rc-khadas.o \
+			rc-khamsin.o \
 			rc-kworld-315u.o \
 			rc-kworld-pc150u.o \
 			rc-kworld-plus-tv-analog.o \

drivers/media/rc/keymaps/rc-khamsin.c

+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2020 Christian Hewitt
+
+#include <media/rc-map.h>
+#include <linux/module.h>
+
+/*
+ * KHAMSIN is an IR/Bluetooth RCU supplied with the SmartLabs
+ * SML-5442TW DVB-S/VOD box. The RCU has separate IR (TV) and
+ * BT (STB) modes. This keymap suppors the IR controls.
+ */
+
+static struct rc_map_table khamsin[] = {
+	{ 0x70702, KEY_POWER},
+
+	{ 0x70701, KEY_VIDEO}, // source
+
+	{ 0x7076c, KEY_RED},
+	{ 0x70714, KEY_GREEN},
+	{ 0x70715, KEY_YELLOW},
+	{ 0x70716, KEY_BLUE},
+
+	{ 0x7071a, KEY_MENU},
+	{ 0x7074f, KEY_EPG},
+
+	{ 0x70760, KEY_UP },
+	{ 0x70761, KEY_DOWN },
+	{ 0x70765, KEY_LEFT },
+	{ 0x70762, KEY_RIGHT },
+	{ 0x70768, KEY_ENTER },
+
+	{ 0x7072d, KEY_ESC }, // back
+
+	{ 0x70707, KEY_VOLUMEUP },
+	{ 0x7070b, KEY_VOLUMEDOWN },
+	{ 0x7070f, KEY_MUTE },
+	{ 0x70712, KEY_CHANNELUP },
+	{ 0x70710, KEY_CHANNELDOWN },
+
+	{ 0x70704, KEY_1 },
+	{ 0x70705, KEY_2 },
+	{ 0x70706, KEY_3 },
+	{ 0x70708, KEY_4 },
+	{ 0x70709, KEY_5 },
+	{ 0x7070a, KEY_6 },
+	{ 0x7070c, KEY_7 },
+	{ 0x7070d, KEY_8 },
+	{ 0x7070e, KEY_9 },
+	{ 0x70711, KEY_0 },
+};
+
+static struct rc_map_list khamsin_map = {
+	.map = {
+		.scan     = khamsin,
+		.size     = ARRAY_SIZE(khamsin),
+		.rc_proto = RC_PROTO_NECX,
+		.name     = RC_MAP_KHAMSIN,
+	}
+};
+
+static int __init init_rc_map_khamsin(void)
+{
+	return rc_map_register(&khamsin_map);
+}
+
+static void __exit exit_rc_map_khamsin(void)
+{
+	rc_map_unregister(&khamsin_map);
+}
+
+module_init(init_rc_map_khamsin)
+module_exit(exit_rc_map_khamsin)
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Christian Hewitt <christianshewitt@gmail.com>");

include/media/rc-map.h

@@ -263,6 +263,7 @@ struct rc_map *rc_map_get(const char *name);
 #define RC_MAP_IT913X_V2                 "rc-it913x-v2"
 #define RC_MAP_KAIOMY                    "rc-kaiomy"
 #define RC_MAP_KHADAS                    "rc-khadas"
+#define RC_MAP_KHAMSIN                   "rc-khamsin"
 #define RC_MAP_KWORLD_315U               "rc-kworld-315u"
 #define RC_MAP_KWORLD_PC150U             "rc-kworld-pc150u"
 #define RC_MAP_KWORLD_PLUS_TV_ANALOG     "rc-kworld-plus-tv-analog"