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1c79356b 1/*
4452a7af 2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
1c79356b 3 *
8f6c56a5 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b 5 *
8f6c56a5
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 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
8ad349bb 24 * limitations under the License.
8f6c56a5
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25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b
A
27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
31/*
32 * @APPLE_FREE_COPYRIGHT@
33 */
34
35
36#include <device/device_types.h>
37#include <mach_kdp.h>
38
39/*
40 * Console is on the Printer Port (chip channel 0)
41 * Debugger is on the Modem Port (chip channel 1)
42 */
43
44#define CONSOLE_PORT 1
45
46struct scc_tty {
47 char * t_addr; /* device pointer */
48 int t_dev; /* device number */
49 int t_ispeed; /* input speed */
50 int t_ospeed; /* output speed */
51 char t_breakc; /* character to deliver when 'break'
52 condition received */
53 int t_flags; /* mode flags */
54 int t_state; /* current state */
55 int t_line; /* fake line discipline number,
56 for old drivers - always 0 */
57 int t_outofband; /* current out-of-band events */
58 int t_outofbandarg; /* arg to first out-of-band event */
59 int t_nquoted; /* number of quoted chars in inq */
60 int t_hiwater; /* baud-rate limited high water mark */
61 int t_lowater; /* baud-rate limited low water mark */
62};
63typedef struct scc_tty *scc_tty_t;
64
65/*
66 * function declarations for performing serial i/o
67 * other functions below are declared in kern/misc_protos.h
68 * cnputc, cngetc, cnmaygetc
69 */
70
91447636 71void initialize_serial(caddr_t scc_phys_base, int32_t serial_baud);
1c79356b 72
91447636 73extern int scc_probe(int32_t serial_baud);
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74
75#if 0
76extern int scc_open(
77 dev_t dev,
78 dev_mode_t flag,
79 io_req_t ior);
80
81extern void scc_close(
82 dev_t dev);
83
84extern int scc_read(
85 dev_t dev,
86 io_req_t ior);
87
88extern io_return_t scc_write(
89 dev_t dev,
90 io_req_t ior);
91
92extern io_return_t scc_get_status(
93 dev_t dev,
94 dev_flavor_t flavor,
95 dev_status_t data,
96 mach_msg_type_number_t *status_count);
97
98extern io_return_t scc_set_status(
99 dev_t dev,
100 dev_flavor_t flavor,
101 dev_status_t data,
102 mach_msg_type_number_t status_count);
103
104extern boolean_t scc_portdeath(
105 dev_t dev,
106 ipc_port_t port);
107
108#endif /* 0 */
109
110extern int scc_putc(
111 int unit,
112 int line,
113 int c);
114
115extern int scc_getc(
116 int unit,
117 int line,
118 boolean_t wait,
119 boolean_t raw);
120
55e303ae 121
1c79356b 122
de355530
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123/*
124 * JMM - We are not really going to support this driver in SMP (barely
125 * support it now - so just pick up the stubbed out versions.
126 */
127#define DECL_FUNNEL(class,f)
128#define DECL_FUNNEL_VARS
129#define FUNNEL_INIT(f,p)
130#define FUNNEL_ENTER(f)
131#define FUNNEL_EXIT(f)
132#define FUNNEL_ESCAPE(f) (1)
133#define FUNNEL_REENTER(f,count)
134#define FUNNEL_IN_USE(f) (TRUE)
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135
136/*
137 * Flags
138 */
139#define TF_ODDP 0x00000002 /* get/send odd parity */
140#define TF_EVENP 0x00000004 /* get/send even parity */
141#define TF_ANYP (TF_ODDP|TF_EVENP)
142 /* get any parity/send none */
143#define TF_LITOUT 0x00000008 /* output all 8 bits
144 otherwise, characters >= 0x80
145 are time delays XXX */
146#define TF_ECHO 0x00000080 /* device wants user to echo input */
147#define TS_MIN 0x00004000 /* buffer input chars, if possible */