| | 1 | /* |
| | 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * The contents of this file constitute Original Code as defined in and |
| | 7 | * are subject to the Apple Public Source License Version 1.1 (the |
| | 8 | * "License"). You may not use this file except in compliance with the |
| | 9 | * License. Please obtain a copy of the License at |
| | 10 | * http://www.apple.com/publicsource and read it before using this file. |
| | 11 | * |
| | 12 | * This Original Code and all software distributed under the License are |
| | 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
| | 17 | * License for the specific language governing rights and limitations |
| | 18 | * under the License. |
| | 19 | * |
| | 20 | * @APPLE_LICENSE_HEADER_END@ |
| | 21 | */ |
| | 22 | /* |
| | 23 | * @OSF_COPYRIGHT@ |
| | 24 | */ |
| | 25 | /* |
| | 26 | * @APPLE_FREE_COPYRIGHT@ |
| | 27 | */ |
| | 28 | |
| | 29 | |
| | 30 | #include <device/device_types.h> |
| | 31 | #include <mach_kdp.h> |
| | 32 | |
| | 33 | /* |
| | 34 | * Console is on the Printer Port (chip channel 0) |
| | 35 | * Debugger is on the Modem Port (chip channel 1) |
| | 36 | */ |
| | 37 | |
| | 38 | #define CONSOLE_PORT 1 |
| | 39 | |
| | 40 | struct scc_tty { |
| | 41 | char * t_addr; /* device pointer */ |
| | 42 | int t_dev; /* device number */ |
| | 43 | int t_ispeed; /* input speed */ |
| | 44 | int t_ospeed; /* output speed */ |
| | 45 | char t_breakc; /* character to deliver when 'break' |
| | 46 | condition received */ |
| | 47 | int t_flags; /* mode flags */ |
| | 48 | int t_state; /* current state */ |
| | 49 | int t_line; /* fake line discipline number, |
| | 50 | for old drivers - always 0 */ |
| | 51 | int t_outofband; /* current out-of-band events */ |
| | 52 | int t_outofbandarg; /* arg to first out-of-band event */ |
| | 53 | int t_nquoted; /* number of quoted chars in inq */ |
| | 54 | int t_hiwater; /* baud-rate limited high water mark */ |
| | 55 | int t_lowater; /* baud-rate limited low water mark */ |
| | 56 | }; |
| | 57 | typedef struct scc_tty *scc_tty_t; |
| | 58 | |
| | 59 | /* |
| | 60 | * function declarations for performing serial i/o |
| | 61 | * other functions below are declared in kern/misc_protos.h |
| | 62 | * cnputc, cngetc, cnmaygetc |
| | 63 | */ |
| | 64 | |
| | 65 | void initialize_serial(caddr_t scc_phys_base, int32_t serial_baud); |
| | 66 | |
| | 67 | extern int scc_probe(int32_t serial_baud); |
| | 68 | |
| | 69 | #if 0 |
| | 70 | extern int scc_open( |
| | 71 | dev_t dev, |
| | 72 | dev_mode_t flag, |
| | 73 | io_req_t ior); |
| | 74 | |
| | 75 | extern void scc_close( |
| | 76 | dev_t dev); |
| | 77 | |
| | 78 | extern int scc_read( |
| | 79 | dev_t dev, |
| | 80 | io_req_t ior); |
| | 81 | |
| | 82 | extern io_return_t scc_write( |
| | 83 | dev_t dev, |
| | 84 | io_req_t ior); |
| | 85 | |
| | 86 | extern io_return_t scc_get_status( |
| | 87 | dev_t dev, |
| | 88 | dev_flavor_t flavor, |
| | 89 | dev_status_t data, |
| | 90 | mach_msg_type_number_t *status_count); |
| | 91 | |
| | 92 | extern io_return_t scc_set_status( |
| | 93 | dev_t dev, |
| | 94 | dev_flavor_t flavor, |
| | 95 | dev_status_t data, |
| | 96 | mach_msg_type_number_t status_count); |
| | 97 | |
| | 98 | extern boolean_t scc_portdeath( |
| | 99 | dev_t dev, |
| | 100 | ipc_port_t port); |
| | 101 | |
| | 102 | #endif /* 0 */ |
| | 103 | |
| | 104 | extern int scc_putc( |
| | 105 | int unit, |
| | 106 | int line, |
| | 107 | int c); |
| | 108 | |
| | 109 | extern int scc_getc( |
| | 110 | int unit, |
| | 111 | int line, |
| | 112 | boolean_t wait, |
| | 113 | boolean_t raw); |
| | 114 | |
| | 115 | /* Functions in serial_console.c for switching between serial and video |
| | 116 | consoles. */ |
| | 117 | extern boolean_t console_is_serial(void); |
| | 118 | extern int switch_to_serial_console( |
| | 119 | void); |
| | 120 | |
| | 121 | extern int switch_to_video_console( |
| | 122 | void); |
| | 123 | |
| | 124 | extern void switch_to_old_console( |
| | 125 | int old_console); |
| | 126 | |
| | 127 | void serial_keyboard_init(void); |
| | 128 | void serial_keyboard_start(void); |
| | 129 | void serial_keyboard_poll(void); |
| | 130 | |
| | 131 | |
| | 132 | /* |
| | 133 | * JMM - We are not really going to support this driver in SMP (barely |
| | 134 | * support it now - so just pick up the stubbed out versions. |
| | 135 | */ |
| | 136 | #define DECL_FUNNEL(class,f) |
| | 137 | #define DECL_FUNNEL_VARS |
| | 138 | #define FUNNEL_INIT(f,p) |
| | 139 | #define FUNNEL_ENTER(f) |
| | 140 | #define FUNNEL_EXIT(f) |
| | 141 | #define FUNNEL_ESCAPE(f) (1) |
| | 142 | #define FUNNEL_REENTER(f,count) |
| | 143 | #define FUNNEL_IN_USE(f) (TRUE) |
| | 144 | |
| | 145 | /* |
| | 146 | * Flags |
| | 147 | */ |
| | 148 | #define TF_ODDP 0x00000002 /* get/send odd parity */ |
| | 149 | #define TF_EVENP 0x00000004 /* get/send even parity */ |
| | 150 | #define TF_ANYP (TF_ODDP|TF_EVENP) |
| | 151 | /* get any parity/send none */ |
| | 152 | #define TF_LITOUT 0x00000008 /* output all 8 bits |
| | 153 | otherwise, characters >= 0x80 |
| | 154 | are time delays XXX */ |
| | 155 | #define TF_ECHO 0x00000080 /* device wants user to echo input */ |
| | 156 | #define TS_MIN 0x00004000 /* buffer input chars, if possible */ |
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