u-boot/include/input.h

1 /* SPDX-License-Identifier: GPL-2.0+ */
24  * This table translates key codes to ASCII. Most of the entries are ASCII
25  * codes, but entries after KEY_FIRST_MOD indicate that this key is a
26  * modifier key, like shift, ctrl. KEY_FIRST_MOD + MOD_SHIFT is the shift
27  * key, for example.
30 	/* keycode of the modifiers which select this table, -1 if none */
61 	unsigned int next_repeat_ms;	/* Next time we repeat a key */
69  * Convert a list of key codes into ASCII and send them
72  * @param keycode	List of key codes to examine
73  * @param num_keycodes	Number of key codes
74  * @return number of ascii characters sent, or 0 if none, or -1 for an
84  * this function is called to add a new key to the list (when a 'make code' is
85  * received), or remove a key (when a 'break code' is received).
92  * @param release	true if this key was released, false if depressed
93  * @return number of ascii characters sent, or 0 if none, or -1 for an
97 		      bool release);
100  * Add a new key translation table to the input
103  * @param left_keycode	Key to hold to get into this table
104  * @param right_keycode	Another key to hold to get into this table
105  * @param xlate		Conversion table from key codes to ASCII
120  * Read a key
122  * TODO: U-Boot wants 0 for no key, but Ctrl-@ is a valid key...
125  * @return key, or 0 if no key, or -1 if error
133  * @return 0 if ok, -1 on error
140  * @param repeat_delay_ms	Delay before key auto-repeat starts (in ms)
141  * @param repeat_rate_ms	Delay between successive key repeats (in ms)
154  * inject a repeating key. This function can be called at start-up to select
171  * @return -1 if no LEDs need updating, other value if they do
176  * Set up the key map tables
182  * @return 0 if ok, -1 on error
187  * Set up the input handler with basic key maps.
191  * @return 0 if ok, -1 on error