| | 1 | /* |
| | 2 | * Copyright (c) 2000-2005 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 | |
| | 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 | |
| | 46 | struct 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 | }; |
| | 63 | typedef 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 | |
| | 71 | void initialize_serial(caddr_t scc_phys_base, int32_t serial_baud); |
| | 72 | |
| | 73 | extern int scc_probe(int32_t serial_baud); |
| | 74 | |
| | 75 | #if 0 |
| | 76 | extern int scc_open( |
| | 77 | dev_t dev, |
| | 78 | dev_mode_t flag, |
| | 79 | io_req_t ior); |
| | 80 | |
| | 81 | extern void scc_close( |
| | 82 | dev_t dev); |
| | 83 | |
| | 84 | extern int scc_read( |
| | 85 | dev_t dev, |
| | 86 | io_req_t ior); |
| | 87 | |
| | 88 | extern io_return_t scc_write( |
| | 89 | dev_t dev, |
| | 90 | io_req_t ior); |
| | 91 | |
| | 92 | extern 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 | |
| | 98 | extern 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 | |
| | 104 | extern boolean_t scc_portdeath( |
| | 105 | dev_t dev, |
| | 106 | ipc_port_t port); |
| | 107 | |
| | 108 | #endif /* 0 */ |
| | 109 | |
| | 110 | extern int scc_putc( |
| | 111 | int unit, |
| | 112 | int line, |
| | 113 | int c); |
| | 114 | |
| | 115 | extern int scc_getc( |
| | 116 | int unit, |
| | 117 | int line, |
| | 118 | boolean_t wait, |
| | 119 | boolean_t raw); |
| | 120 | |
| | 121 | |
| | 122 | |
| | 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) |
| | 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 */ |
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