185 static int input_queue_ascii(struct input_config *config, int ch)  in input_queue_ascii()  argument
187 	if (config->fifo_in + 1 == INPUT_BUFFER_LEN) {  in input_queue_ascii()
188 		if (!config->fifo_out)  in input_queue_ascii()
191 			config->fifo_in = 0;  in input_queue_ascii()
193 		if (config->fifo_in + 1 == config->fifo_out)  in input_queue_ascii()
195 		config->fifo_in++;  in input_queue_ascii()
198 	config->fifo[config->fifo_in] = (uchar)ch;  in input_queue_ascii()
203 int input_tstc(struct input_config *config)  in input_tstc()  argument
205 	if (config->fifo_in == config->fifo_out && config->read_keys) {  in input_tstc()
206 		if (!(*config->read_keys)(config))  in input_tstc()
209 	return config->fifo_in != config->fifo_out;  in input_tstc()
212 int input_getc(struct input_config *config)  in input_getc()  argument
216 	while (config->fifo_in == config->fifo_out) {  in input_getc()
217 		if (config->read_keys)  in input_getc()
218 			err = (*config->read_keys)(config);  in input_getc()
223 	if (++config->fifo_out == INPUT_BUFFER_LEN)  in input_getc()
224 		config->fifo_out = 0;  in input_getc()
226 	return config->fifo[config->fifo_out];  in input_getc()
240 static struct input_key_xlate *process_modifier(struct input_config *config,  in process_modifier()  argument
244 	struct udevice *dev = config->dev;  in process_modifier()
251 	assert(config->num_tables > 0);  in process_modifier()
252 	table = &config->table[0];  in process_modifier()
253 	for (i = 1; i < config->num_tables; i++) {  in process_modifier()
254 		struct input_key_xlate *tab = &config->table[i];  in process_modifier()
279 			config->flags ^= flip;  in process_modifier()
280 			if (config->flags & FLAG_NUM_LOCK)  in process_modifier()
282 			if (config->flags & FLAG_CAPS_LOCK)  in process_modifier()
284 			if (config->flags & FLAG_SCROLL_LOCK)  in process_modifier()
286 			config->leds = leds;  in process_modifier()
287 			config->leds_changed = flip;  in process_modifier()
291 				if (ops->update_leds(dev, config->leds))  in process_modifier()
374 static int input_check_keycodes(struct input_config *config,  in input_check_keycodes()  argument
378 	if (!config->num_tables) {  in input_check_keycodes()
385 			config->prev_keycodes, config->num_prev_keycodes);  in input_check_keycodes()
387 	memcpy(config->prev_keycodes, keycode, num_keycodes * sizeof(int));  in input_check_keycodes()
388 	config->num_prev_keycodes = num_keycodes;  in input_check_keycodes()
406 static int input_keycode_to_ansi364(struct input_config *config,  in input_keycode_to_ansi364()  argument
449 static int input_keycodes_to_ascii(struct input_config *config,  in input_keycodes_to_ascii()  argument
457 	table = &config->table[0];  in input_keycodes_to_ascii()
464 			table = process_modifier(config, key,  in input_keycodes_to_ascii()
480 			if ((config->flags & FLAG_CAPS_LOCK) &&  in input_keycodes_to_ascii()
484 			if (!(config->flags & FLAG_NUM_LOCK)) {  in input_keycodes_to_ascii()
492 			ch_count += input_keycode_to_ansi364(config, key,  in input_keycodes_to_ascii()
507 static int _input_send_keycodes(struct input_config *config, int keycode[],  in _input_send_keycodes()  argument
515 	config->modifiers = 0;  in _input_send_keycodes()
516 	if (!input_check_keycodes(config, keycode, num_keycodes, &same)) {  in _input_send_keycodes()
525 		is_repeat = config->allow_repeats || (config->repeat_rate_ms &&  in _input_send_keycodes()
526 			(int)get_timer(config->next_repeat_ms) >= 0);  in _input_send_keycodes()
531 	count = input_keycodes_to_ascii(config, keycode, num_keycodes,  in _input_send_keycodes()
535 			input_queue_ascii(config, ch[i]);  in _input_send_keycodes()
538 			config->repeat_rate_ms :  in _input_send_keycodes()
539 			config->repeat_delay_ms;  in _input_send_keycodes()
541 	config->next_repeat_ms = get_timer(0) + delay_ms;  in _input_send_keycodes()
546 int input_send_keycodes(struct input_config *config, int keycode[],  in input_send_keycodes()  argument
549 	return _input_send_keycodes(config, keycode, num_keycodes, true);  in input_send_keycodes()
552 int input_add_keycode(struct input_config *config, int new_keycode,  in input_add_keycode()  argument
559 	for (i = 0, count = 0; i < config->num_prev_keycodes; i++) {  in input_add_keycode()
560 		int code = config->prev_keycodes[i];  in input_add_keycode()
578 	return _input_send_keycodes(config, keycode, count, !release);  in input_add_keycode()
581 int input_add_table(struct input_config *config, int left_keycode,  in input_add_table()  argument
586 	if (config->num_tables == INPUT_MAX_MODIFIERS) {  in input_add_table()
591 	table = &config->table[config->num_tables++];  in input_add_table()
600 void input_set_delays(struct input_config *config, int repeat_delay_ms,  in input_set_delays()  argument
603 	config->repeat_delay_ms = repeat_delay_ms;  in input_set_delays()
604 	config->repeat_rate_ms = repeat_rate_ms;  in input_set_delays()
607 void input_allow_repeats(struct input_config *config, bool allow_repeats)  in input_allow_repeats()  argument
609 	config->allow_repeats = allow_repeats;  in input_allow_repeats()
612 int input_leds_changed(struct input_config *config)  in input_leds_changed()  argument
614 	if (config->leds_changed)  in input_leds_changed()
615 		return config->leds;  in input_leds_changed()
620 int input_add_tables(struct input_config *config, bool german)  in input_add_tables()  argument
630 		ret = input_add_table(config, entry->left_keycode,  in input_add_tables()
640 int input_init(struct input_config *config, int leds)  in input_init()  argument
642 	memset(config, '\0', sizeof(*config));  in input_init()
643 	config->leds = leds;  in input_init()