Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *    ebcdic keycode functions for s390 console drivers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *    Copyright IBM Corp. 2003
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/tty.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/tty_flip.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/keyboard.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define NR_FN_HANDLER	20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) struct kbd_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) extern int ebc_funcbufsize, ebc_funcbufleft;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) extern char *ebc_func_table[MAX_NR_FUNC];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) extern char ebc_func_buf[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) extern char *ebc_funcbufptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) extern unsigned int ebc_keymap_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) extern struct kbdiacruc ebc_accent_table[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) extern unsigned int ebc_accent_table_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) extern unsigned short *ebc_key_maps[MAX_NR_KEYMAPS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) extern unsigned short ebc_plain_map[NR_KEYS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) typedef void (fn_handler_fn)(struct kbd_data *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)  * FIXME: explain key_maps tricks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct kbd_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	struct tty_port *port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	unsigned short **key_maps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	char **func_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	fn_handler_fn **fn_handler;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	struct kbdiacruc *accent_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	unsigned int accent_table_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	unsigned int diacr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	unsigned short sysrq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct kbd_data *kbd_alloc(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) void kbd_free(struct kbd_data *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) void kbd_ascebc(struct kbd_data *, unsigned char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) void kbd_keycode(struct kbd_data *, unsigned int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) int kbd_ioctl(struct kbd_data *, unsigned int, unsigned long);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)  * Helper Functions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) kbd_put_queue(struct tty_port *port, int ch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	tty_insert_flip_char(port, ch, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	tty_schedule_flip(port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) kbd_puts_queue(struct tty_port *port, char *cp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	while (*cp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 		tty_insert_flip_char(port, *cp++, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	tty_schedule_flip(port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }