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1c79356b 1/*
5d5c5d0d 2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
1c79356b 3 *
8ad349bb 4 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b 5 *
8ad349bb
A
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
10 * License may not be used to create, or enable the creation or
11 * redistribution of, unlawful or unlicensed copies of an Apple operating
12 * system, or to circumvent, violate, or enable the circumvention or
13 * violation of, any terms of an Apple operating system software license
14 * agreement.
15 *
16 * Please obtain a copy of the License at
17 * http://www.opensource.apple.com/apsl/ and read it before using this
18 * file.
19 *
20 * The Original Code and all software distributed under the License are
21 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
22 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
23 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
25 * Please see the License for the specific language governing rights and
26 * limitations under the License.
27 *
28 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
1c79356b
A
29 */
30/*
31 * @OSF_COPYRIGHT@
32 */
33/*
34 * @APPLE_FREE_COPYRIGHT@
35 */
36
37
38#include <device/device_types.h>
39#include <mach_kdp.h>
40
41/*
42 * Console is on the Printer Port (chip channel 0)
43 * Debugger is on the Modem Port (chip channel 1)
44 */
45
46#define CONSOLE_PORT 1
47
48struct scc_tty {
49 char * t_addr; /* device pointer */
50 int t_dev; /* device number */
51 int t_ispeed; /* input speed */
52 int t_ospeed; /* output speed */
53 char t_breakc; /* character to deliver when 'break'
54 condition received */
55 int t_flags; /* mode flags */
56 int t_state; /* current state */
57 int t_line; /* fake line discipline number,
58 for old drivers - always 0 */
59 int t_outofband; /* current out-of-band events */
60 int t_outofbandarg; /* arg to first out-of-band event */
61 int t_nquoted; /* number of quoted chars in inq */
62 int t_hiwater; /* baud-rate limited high water mark */
63 int t_lowater; /* baud-rate limited low water mark */
64};
65typedef struct scc_tty *scc_tty_t;
66
67/*
68 * function declarations for performing serial i/o
69 * other functions below are declared in kern/misc_protos.h
70 * cnputc, cngetc, cnmaygetc
71 */
72
91447636 73void initialize_serial(caddr_t scc_phys_base, int32_t serial_baud);
1c79356b 74
91447636 75extern int scc_probe(int32_t serial_baud);
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76
77#if 0
78extern int scc_open(
79 dev_t dev,
80 dev_mode_t flag,
81 io_req_t ior);
82
83extern void scc_close(
84 dev_t dev);
85
86extern int scc_read(
87 dev_t dev,
88 io_req_t ior);
89
90extern io_return_t scc_write(
91 dev_t dev,
92 io_req_t ior);
93
94extern io_return_t scc_get_status(
95 dev_t dev,
96 dev_flavor_t flavor,
97 dev_status_t data,
98 mach_msg_type_number_t *status_count);
99
100extern io_return_t scc_set_status(
101 dev_t dev,
102 dev_flavor_t flavor,
103 dev_status_t data,
104 mach_msg_type_number_t status_count);
105
106extern boolean_t scc_portdeath(
107 dev_t dev,
108 ipc_port_t port);
109
110#endif /* 0 */
111
112extern int scc_putc(
113 int unit,
114 int line,
115 int c);
116
117extern int scc_getc(
118 int unit,
119 int line,
120 boolean_t wait,
121 boolean_t raw);
122
55e303ae 123
1c79356b 124
de355530
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125/*
126 * JMM - We are not really going to support this driver in SMP (barely
127 * support it now - so just pick up the stubbed out versions.
128 */
129#define DECL_FUNNEL(class,f)
130#define DECL_FUNNEL_VARS
131#define FUNNEL_INIT(f,p)
132#define FUNNEL_ENTER(f)
133#define FUNNEL_EXIT(f)
134#define FUNNEL_ESCAPE(f) (1)
135#define FUNNEL_REENTER(f,count)
136#define FUNNEL_IN_USE(f) (TRUE)
1c79356b
A
137
138/*
139 * Flags
140 */
141#define TF_ODDP 0x00000002 /* get/send odd parity */
142#define TF_EVENP 0x00000004 /* get/send even parity */
143#define TF_ANYP (TF_ODDP|TF_EVENP)
144 /* get any parity/send none */
145#define TF_LITOUT 0x00000008 /* output all 8 bits
146 otherwise, characters >= 0x80
147 are time delays XXX */
148#define TF_ECHO 0x00000080 /* device wants user to echo input */
149#define TS_MIN 0x00004000 /* buffer input chars, if possible */