firmware/br-ext-chip-allwinner/board/v83x/kernel/patches/00000-drivers_media_rc_rc-s...

83 lines
2.0 KiB
Diff

diff -drupN a/drivers/media/rc/rc-sunxi-keymaps.c b/drivers/media/rc/rc-sunxi-keymaps.c
--- a/drivers/media/rc/rc-sunxi-keymaps.c 1970-01-01 03:00:00.000000000 +0300
+++ b/drivers/media/rc/rc-sunxi-keymaps.c 2022-06-12 05:28:14.000000000 +0300
@@ -0,0 +1,78 @@
+/* Sunxi Remote Controller
+ *
+ * keymap imported from ir-keymaps.c
+ *
+ * Copyright (c) 2014 by allwinnertech
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <media/rc-map.h>
+#include "sunxi-ir-rx.h"
+
+/*It is used for sunxi legacy ir addr mapping in kernel mode*/
+#ifdef CONFIG_SUNXI_KEYMAPPING_SUPPORT
+static u32 match_addr[MAX_ADDR_NUM];
+static u32 match_num;
+#endif
+static struct rc_map_table sunxi_nec_scan[] = {
+ { KEY_ESC, KEY_ESC },
+};
+
+#ifdef CONFIG_SUNXI_KEYMAPPING_SUPPORT
+static u32 sunxi_key_mapping(u32 code)
+{
+ u32 i;
+
+ for (i = 0; i < match_num; i++) {
+ if (match_addr[i] == ((code >> 8) & 0xffffUL))
+ return code;
+ }
+ return KEY_RESERVED;
+}
+#endif
+static struct rc_map_list sunxi_map = {
+ .map = {
+ .scan = sunxi_nec_scan,
+ .size = ARRAY_SIZE(sunxi_nec_scan),
+ #ifdef CONFIG_SUNXI_KEYMAPPING_SUPPORT
+ .mapping = (void *)sunxi_key_mapping,
+ #endif
+ .rc_type = RC_TYPE_NEC, /* Legacy IR type */
+ .name = RC_MAP_SUNXI,
+ }
+};
+
+#ifdef CONFIG_SUNXI_KEYMAPPING_SUPPORT
+static void init_addr(u32 *addr, u32 addr_num)
+{
+ u32 *temp_addr = match_addr;
+
+ if (addr_num > MAX_ADDR_NUM)
+ addr_num = MAX_ADDR_NUM;
+ match_num = addr_num;
+ while (addr_num--)
+ *temp_addr++ = (*addr++)&0xffffUL;
+}
+#endif
+
+#ifdef CONFIG_SUNXI_KEYMAPPING_SUPPORT
+int init_sunxi_ir_map_ext(void *addr, int num)
+{
+ init_addr(addr, num);
+ return rc_map_register(&sunxi_map);
+}
+#else
+int init_sunxi_ir_map(void)
+{
+ return rc_map_register(&sunxi_map);
+}
+#endif
+
+void exit_sunxi_ir_map(void)
+{
+ rc_map_unregister(&sunxi_map);
+}