1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*
*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MC68681_H_
#define _MC68681_H_
#include <rtems/termiostypes.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* These are just used in the interface between this driver and
* the read/write register routines when accessing the first
* control port.
*/
#define MC68681_STATUS 1
#define MC68681_RX_BUFFER 3
#define MC68681_MODE 0
#define MC68681_CLOCK_SELECT 1
#define MC68681_COMMAND 2
#define MC68681_TX_BUFFER 3
/*
* Data Port bit map configuration
*
* D0 : Baud Rate Set Selection
* D1 - D2 : Extended Baud Rate Setting
*/
#define MC68681_DATA_BAUD_RATE_SET_1 0 /* ACR[7] = 0 */
#define MC68681_DATA_BAUD_RATE_SET_2 1 /* ACR[7] = 1 */
#define MC68681_XBRG_IGNORED (0 << 1)
#define MC68681_XBRG_ENABLED (1 << 1)
#define MC68681_XBRG_DISABLED (2 << 1)
#define MC68681_XBRG_MASK (3 << 1)
/*
* Custom baud rate table information
*/
typedef unsigned char mc68681_baud_t;
typedef mc68681_baud_t mc68681_baud_table_t[RTEMS_TERMIOS_NUMBER_BAUD_RATES];
#define MC68681_BAUD_NOT_VALID 0xFF
extern mc68681_baud_t
mc68681_baud_rate_table[4][RTEMS_TERMIOS_NUMBER_BAUD_RATES];
/*
* Driver function table
*/
extern const console_fns mc68681_fns;
extern const console_fns mc68681_fns_polled;
/*
* Default register access routines
*/
uint8_t mc68681_get_register( /* registers are at 1 byte boundaries */
uintptr_t ulCtrlPort, /* and accessed as bytes */
uint8_t ucRegNum
);
void mc68681_set_register(
uintptr_t ulCtrlPort,
uint8_t ucRegNum,
uint8_t ucData
);
uint8_t mc68681_get_register_2( /* registers are at 2 byte boundaries */
uintptr_t ulCtrlPort, /* and accessed as bytes */
uint8_t ucRegNum
);
void mc68681_set_register_2(
uintptr_t ulCtrlPort,
uint8_t ucRegNum,
uint8_t ucData
);
uint8_t mc68681_get_register_4( /* registers are at 4 byte boundaries */
uintptr_t ulCtrlPort, /* and accessed as bytes */
uint8_t ucRegNum
);
void mc68681_set_register_4(
uintptr_t ulCtrlPort,
uint8_t ucRegNum,
uint8_t ucData
);
uint8_t mc68681_get_register_8( /* registers are at 8 byte boundaries */
uintptr_t ulCtrlPort, /* and accessed as bytes */
uint8_t ucRegNum
);
void mc68681_set_register_8(
uintptr_t ulCtrlPort,
uint8_t ucRegNum,
uint8_t ucData
);
#ifdef __cplusplus
}
#endif
#endif /* _MC68681_H_ */
|
