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Commit	Line	Data
	1	/*
	2	* Copyright (c) 2005-2006 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28	/*
	29	* @OSF_COPYRIGHT@
	30	*/
	31	/*
	32	* @APPLE_FREE_COPYRIGHT@
	33	*/
	34
	35	#ifndef _CONSOLE_SERIAL_PROTOS_H_
	36	#define _CONSOLE_SERIAL_PROTOS_H_
	37
	38	#ifdef __cplusplus
	39	extern "C" {
	40	#endif
	41
	42
	43	void serial_keyboard_init(void);
	44	void serial_keyboard_start(void) __dead2;
	45	void serial_keyboard_poll(void) __dead2;
	46
	47	extern uint32_t serialmode;
	48
	49	#define SERIALMODE_OUTPUT 0x1
	50	#define SERIALMODE_INPUT 0x2
	51	#define SERIALMODE_SYNCDRAIN 0x4
	52	#define SERIALMODE_BASE_TTY 0x8 /* Load Base/Recovery/FVUnlock TTY */
	53
	54	extern uint32_t cons_ops_index;
	55	extern const uint32_t nconsops;
	56	extern unsigned int disable_serial_output;
	57	#if defined(__arm__) \|\| defined(__arm64__)
	58	/* ARM64_TODO */
	59	extern void *console_cpu_alloc(boolean_t);
	60	extern void console_cpu_free(void *);
	61	void console_init(void);
	62	#endif
	63
	64	int _serial_getc(int unit, int line, boolean_t wait, boolean_t raw);
	65
	66	struct console_ops {
	67	void (*putc)(int, int, int);
	68	int (*getc)(int, int, boolean_t, boolean_t);
	69	};
	70
	71	boolean_t console_is_serial(void);
	72	int switch_to_serial_console(void);
	73	int switch_to_video_console(void);
	74	void switch_to_old_console(int old_console);
	75
	76	#define SERIAL_CONS_OPS 0
	77	#define VC_CONS_OPS 1
	78
	79	#ifdef XNU_KERNEL_PRIVATE
	80
	81	#define SERIAL_CONS_BUF_SIZE 256
	82	struct console_printbuf_state {
	83	int pos;
	84	int total;
	85	int flags;
	86	#define CONS_PB_WRITE_NEWLINE 0x1
	87	#define CONS_PB_CANBLOCK 0x2
	88	char str[SERIAL_CONS_BUF_SIZE];
	89	};
	90
	91	extern int console_printbuf_drain_initialized;
	92	void console_printbuf_state_init(struct console_printbuf_state * data, int write_on_newline, int can_block);
	93	void console_printbuf_putc(int ch, void *arg);
	94	void console_printbuf_clear(struct console_printbuf_state * info);
	95	int console_write_try(char * str, int size);
	96
	97
	98	#endif /* XNU_KERNEL_PRIVATE */
	99
	100	#ifdef __cplusplus
	101	}
	102	#endif
	103
	104
	105	#endif /* _CONSOLE_SERIAL_PROTOS_H_ */