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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /*
26: * Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991
27: * All Rights Reserved
28: *
29: * Permission to use, copy, modify, and distribute this software and
30: * its documentation for any purpose and without fee is hereby granted,
31: * provided that the above copyright notice appears in all copies and
32: * that both the copyright notice and this permission notice appear in
33: * supporting documentation.
34: *
35: * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
36: * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
37: * FOR A PARTICULAR PURPOSE.
38: *
39: * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
40: * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
41: * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
42: * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
43: * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
44: *
45: */
46: /*
47: * Copyright 1996 1995 by Apple Computer, Inc. 1997 1996 1995 1994 1993 1992 1991
48: * All Rights Reserved
49: *
50: * Permission to use, copy, modify, and distribute this software and
51: * its documentation for any purpose and without fee is hereby granted,
52: * provided that the above copyright notice appears in all copies and
53: * that both the copyright notice and this permission notice appear in
54: * supporting documentation.
55: *
56: * APPLE COMPUTER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
57: * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
58: * FOR A PARTICULAR PURPOSE.
59: *
60: * IN NO EVENT SHALL APPLE COMPUTER BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
61: * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
62: * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
63: * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
64: * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
65: */
66: /*
67: * MKLINUX-1.0DR2
68: */
69:
70:
71: //#include <device/device_types.h>
72: #include "adb_io.h"
73:
74: #define ADB_FLAGS_PRESENT 0x00000001 /* Device is present */
75: #define ADB_FLAGS_REGISTERED 0x00000002 /* Device has a handler */
76: #define ADB_FLAGS_UNRESOLVED 0x00000004 /* Device has not been fully probed */
77:
78: struct adb_packet {
79: unsigned char a_header[8];
80: int a_hcount;
81: unsigned char a_buffer[32];
82: int a_bcount;
83: int a_bsize;
84: };
85:
86: typedef struct adb_packet adb_packet_t;
87:
88: /*
89: * a_flags - used internal by ADB
90: */
91:
92: #define ADB_IS_ASYNC 0x00001
93: #define ADB_DONE 0x00002
94:
95: struct adb_request {
96: simple_lock_data_t a_lock;
97: int a_result; /* Result of ADB command */
98: int a_flags; /* used internally */
99: adb_packet_t a_cmd; /* Command packet */
100: adb_packet_t a_reply; /* Reply packet */
101: void (*a_done)(struct adb_request *);
102: struct adb_request *a_next;
103: };
104:
105: typedef struct adb_request adb_request_t;
106:
107: struct adb_ops {
108: void (*ao_send)(adb_request_t *);
109: void (*ao_poll)(void);
110: };
111:
112: typedef struct adb_ops adb_ops_t;
113:
114: struct adb_device {
115: unsigned short a_dev_type; /* Device Type (default id) */
116: unsigned short a_dev_handler; /* Device handler ID */
117: unsigned short a_dev_orighandler;/* Original handler ID */
118: unsigned short a_dev_addr; /* Device Reg 3 Address */
119: int a_addr; /* Device Address */
120: int a_flags;
121: int a_type;
122: void (*a_handler)(int number, unsigned char *buffer, int bytes, void * ssp);
123: };
124:
125: typedef struct adb_device adb_device_t;
126:
127: extern struct adb_device adb_devices[ADB_DEVICE_COUNT];
128:
129: /*
130: * ADB Commands
131: */
132:
133: #define ADB_DEVCMD_SELF_TEST 0xff
134: #define ADB_DEVCMD_CHANGE_ID 0xfe
135: #define ADB_DEVCMD_CHANGE_ID_AND_ACT 0xfd
136: #define ADB_DEVCMD_CHANGE_ID_AND_ENABLE 0x00
137:
138: /*
139: * Results for a_result
140: */
141:
142: #define ADB_RET_OK 0 /* Successful */
143: #define ADB_RET_INUSE 1 /* ADB Device in use */
144: #define ADB_RET_NOTPRESENT 2 /* ADB Device not present */
145: #define ADB_RET_TIMEOUT 3 /* ADB Timeout */
146: #define ADB_RET_UNEXPECTED_RESULT 4 /* Unknown result */
147: #define ADB_RET_REQUEST_ERROR 5 /* Packet Request Error */
148: #define ADB_RET_BUS_ERROR 6 /* ADB Bus Error */
149:
150:
151: /*
152: * ADB Packet Types
153: */
154:
155: #define ADB_PACKET_ADB 0
156: #define ADB_PACKET_PSEUDO 1
157: #define ADB_PACKET_ERROR 2
158: #define ADB_PACKET_TIMER 3
159: #define ADB_PACKET_POWER 4
160: #define ADB_PACKET_MACIIC 5
161:
162: /*
163: * ADB Device Commands
164: */
165:
166: #define ADB_ADBCMD_RESET_BUS 0x00
167: #define ADB_ADBCMD_FLUSH_ADB 0x01
168: #define ADB_ADBCMD_WRITE_ADB 0x08
169: #define ADB_ADBCMD_READ_ADB 0x0c
170:
171: /*
172: * ADB Pseudo Commands
173: */
174:
175: #define ADB_PSEUDOCMD_WARM_START 0x00
176: #define ADB_PSEUDOCMD_START_STOP_AUTO_POLL 0x01
177: #define ADB_PSEUDOCMD_GET_6805_ADDRESS 0x02
178: #define ADB_PSEUDOCMD_GET_REAL_TIME 0x03
179: #define ADB_PSEUDOCMD_GET_PRAM 0x07
180: #define ADB_PSEUDOCMD_SET_6805_ADDRESS 0x08
181: #define ADB_PSEUDOCMD_SET_REAL_TIME 0x09
182: #define ADB_PSEUDOCMD_POWER_DOWN 0x0a
183: #define ADB_PSEUDOCMD_SET_POWER_UPTIME 0x0b
184: #define ADB_PSEUDOCMD_SET_PRAM 0x0c
185: #define ADB_PSEUDOCMD_MONO_STABLE_RESET 0x0d
186: #define ADB_PSEUDOCMD_SEND_DFAC 0x0e
187: #define ADB_PSEUDOCMD_BATTERY_SWAP_SENSE 0x10
188: #define ADB_PSEUDOCMD_RESTART_SYSTEM 0x11
189: #define ADB_PSEUDOCMD_SET_IPL_LEVEL 0x12
190: #define ADB_PSEUDOCMD_FILE_SERVER_FLAG 0x13
191: #define ADB_PSEUDOCMD_SET_AUTO_RATE 0x14
192: #define ADB_PSEUDOCMD_GET_AUTO_RATE 0x16
193: #define ADB_PSEUDOCMD_SET_DEVICE_LIST 0x19
194: #define ADB_PSEUDOCMD_GET_DEVICE_LIST 0x1a
195: #define ADB_PSEUDOCMD_SET_ONE_SECOND_MODE 0x1b
196: #define ADB_PSEUDOCMD_SET_POWER_MESSAGES 0x21
197: #define ADB_PSEUDOCMD_GET_SET_IIC 0x22
198: #define ADB_PSEUDOCMD_ENABLE_DISABLE_WAKEUP 0x23
199: #define ADB_PSEUDOCMD_TIMER_TICKLE 0x24
200: #define ADB_PSEUDOCMD_COMBINED_FORMAT_IIC 0X25
201:
202: /*
203: * Macros to help build commands up
204: */
205:
206: #define ADB_BUILD_CMD1(c, p1) {(c)->a_cmd.a_header[0] = p1; (c)->a_cmd.a_hcount = 1; }
207: #define ADB_BUILD_CMD2(c, p1, p2) {(c)->a_cmd.a_header[0] = p1; (c)->a_cmd.a_header[1] = p2; (c)->a_cmd.a_hcount = 2; }
208: #define ADB_BUILD_CMD3(c, p1, p2, p3) {(c)->a_cmd.a_header[0] = p1; (c)->a_cmd.a_header[1] = p2; (c)->a_cmd.a_header[2] = p3; (c)->a_cmd.a_hcount = 3; }
209: #define ADB_BUILD_CMD4(c, p1, p2, p3, p4) {(c)->a_cmd.a_header[0] = p1; (c)->a_cmd.a_header[1] = p2; \
210: (c)->a_cmd.a_header[2] = p3; (c)->a_cmd.a_header[3] = p4; (c)->a_cmd.a_hcount = 4; }
211: #define ADB_BUILD_CMD2_BUFFER(c, p1, p2, len, buf) {(c)->a_cmd.a_header[0] = p1; (c)->a_cmd.a_header[1] = p2; (c)->a_cmd.a_hcount = 2;\
212: (c)->a_cmd.a_bcount = len;\
213: memcpy(&(c)->a_cmd.a_buffer, buf, len); }
214:
215: /*
216: * Prototypes
217: */
218:
219: void adb_register_handler(int id,
220: void (*handler)(int number, unsigned char *packet, int count, void * ssp));
221: void adb_register_dev(int id,
222: void (*handler)(int number, unsigned char *packet, int count, void * ssp));
223: int adb_readreg(int devnum, int regnum, unsigned short *value);
224: int adb_writereg(int devnum, int regnum, unsigned short value);
225: void adb_writereg_async(int devnum, int regnum, unsigned short value);
226: void adb_send(adb_request_t *req, boolean_t wait);
227: void adb_done(adb_request_t *req);
228: void adb_unsolicited_done(adb_packet_t *response, void * ssp);
229: adb_request_t *adb_next_request(void);
230: void adb_poll(void);
231:
232: int adb_set_handler(struct adb_device *devp, int handler);
233:
234: void borrow_adb( void (*handler)(int number, unsigned char *packet, int count,void * ssp));
235: void return_adb( void );
236:
237: /*
238: * For configuration
239: */
240:
241: io_return_t adbopen(dev_t dev, dev_mode_t flag, io_req_t ior);
242: void adbclose(dev_t dev);
243: io_return_t adbread(dev_t dev, io_req_t ior);
244: io_return_t adbwrite(dev_t dev, io_req_t ior);
245: //boolean_t adbportdeath(dev_t dev, ipc_port_t port);
246: io_return_t adbgetstatus(dev_t dev, dev_flavor_t flavor,
247: dev_status_t data, mach_msg_type_number_t *status_count);
248: io_return_t adbsetstatus(dev_t dev, dev_flavor_t flavor, dev_status_t data,
249: mach_msg_type_number_t status_count);
250:
251:
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