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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: #import <mach/std_types.h>
26: #import <kernserv/ns_timer.h>
27: #import <driverkit/IODirectDevice.h>
28:
29:
30: #ifndef __APPLE_TYPES_DEFINED__
31: #define __APPLE_TYPES_DEFINED__ 1
32:
33: typedef unsigned int UInt32; // A 32-bit unsigned integer
34: typedef unsigned char UInt8; // A "byte-sized" integer
35: typedef signed char SInt8;
36: typedef signed int SInt32; // A 32-bit signed integer
37: typedef boolean_t Boolean; // TRUE/FALSE value (YES/NO in NeXT)
38: typedef signed int OSErr;
39: typedef signed int OSStatus;
40:
41: #endif /* __APPLE_TYPES_DEFINED__ */
42:
43:
44:
45: struct adb_packet {
46: unsigned char a_header[8];
47: int a_hcount;
48: unsigned char a_buffer[32];
49: int a_bcount;
50: int a_bsize;
51: };
52:
53: typedef struct adb_packet adb_packet_t;
54:
55:
56: struct adb_request {
57: simple_lock_data_t a_lock;
58: int a_result; /* Result of ADB command */
59: int a_flags; /* used internally */
60: adb_packet_t a_cmd; /* Command packet */
61: adb_packet_t a_reply; /* Reply packet */
62: void (*a_done)(struct adb_request *);
63: struct adb_request *a_next;
64: };
65:
66: typedef struct adb_request adb_request_t;
67:
68: /*
69: * ADB Packet Types
70: */
71:
72: #define ADB_PACKET_ADB 0
73: #define ADB_PACKET_PSEUDO 1
74: #define ADB_PACKET_ERROR 2
75: #define ADB_PACKET_TIMER 3
76: #define ADB_PACKET_POWER 4
77: #define ADB_PACKET_MACIIC 5
78:
79: /*
80: * ADB Device Commands
81: */
82:
83: #define ADB_ADBCMD_RESET_BUS 0x00
84: #define ADB_ADBCMD_FLUSH_ADB 0x01
85: #define ADB_ADBCMD_WRITE_ADB 0x08
86: #define ADB_ADBCMD_READ_ADB 0x0c
87:
88: /*
89: * ADB Pseudo Commands
90: */
91:
92: #define ADB_PSEUDOCMD_WARM_START 0x00
93: #define ADB_PSEUDOCMD_START_STOP_AUTO_POLL 0x01
94: #define ADB_PSEUDOCMD_GET_6805_ADDRESS 0x02
95: #define ADB_PSEUDOCMD_GET_REAL_TIME 0x03
96: #define ADB_PSEUDOCMD_GET_PRAM 0x07
97: #define ADB_PSEUDOCMD_SET_6805_ADDRESS 0x08
98: #define ADB_PSEUDOCMD_SET_REAL_TIME 0x09
99: #define ADB_PSEUDOCMD_POWER_DOWN 0x0a
100: #define ADB_PSEUDOCMD_SET_POWER_UPTIME 0x0b
101: #define ADB_PSEUDOCMD_SET_PRAM 0x0c
102: #define ADB_PSEUDOCMD_MONO_STABLE_RESET 0x0d
103: #define ADB_PSEUDOCMD_SEND_DFAC 0x0e
104: #define ADB_PSEUDOCMD_BATTERY_SWAP_SENSE 0x10
105: #define ADB_PSEUDOCMD_RESTART_SYSTEM 0x11
106: #define ADB_PSEUDOCMD_SET_IPL_LEVEL 0x12
107: #define ADB_PSEUDOCMD_FILE_SERVER_FLAG 0x13
108: #define ADB_PSEUDOCMD_SET_AUTO_RATE 0x14
109: #define ADB_PSEUDOCMD_GET_AUTO_RATE 0x16
110: #define ADB_PSEUDOCMD_SET_DEVICE_LIST 0x19
111: #define ADB_PSEUDOCMD_GET_DEVICE_LIST 0x1a
112: #define ADB_PSEUDOCMD_SET_ONE_SECOND_MODE 0x1b
113: #define ADB_PSEUDOCMD_SET_POWER_MESSAGES 0x21
114: #define ADB_PSEUDOCMD_GET_SET_IIC 0x22
115: #define ADB_PSEUDOCMD_ENABLE_DISABLE_WAKEUP 0x23
116: #define ADB_PSEUDOCMD_TIMER_TICKLE 0x24
117: #define ADB_PSEUDOCMD_COMBINED_FORMAT_IIC 0X25
118:
119:
120: struct CudaRequest {
121: struct CudaMachMessage * next;
122: struct CudaMachMessage * prev;
123: adb_packet_t a_cmd; /* Command packet */
124: adb_packet_t a_reply; /* Reply packet */
125: pmCallback_func pmCallback;
126: id pmId;
127: UInt32 pmRefNum;
128: };
129:
130: typedef struct CudaRequest CudaRequest;
131:
132: struct CudaMachMessage {
133: msg_header_t msgHeader;
134: msg_type_t msgType;
135: CudaRequest msgBody;
136: };
137:
138: typedef struct CudaMachMessage CudaMachMessage;
139:
140:
141: @interface AppleCuda : IODirectDevice <ADBservice, RTCservice>
142: {
143:
144: VIAAddress VIA1_shift; // pointers to VIA registers
145: VIAAddress VIA1_auxillaryControl;
146: VIAAddress VIA1_interruptFlag;
147: VIAAddress VIA1_interruptEnable;
148: VIAAddress VIA2_dataB;
149: UInt8 PMack; // ack bit
150:
151: pmADBinput_func ADBclient; // Input handler in ADB client
152: id ADBid; // id of ADB client
153: pmCallback_func RTCclient; // Tick handler in RTC client
154: id RTCid; // id of RTC client
155: pmCallback_func PWRclient; // Button handler in Power Management client
156: id PWRid; // id of Power Management client
157:
158: CudaRequest * clientRequest;
159: CudaMachMessage localMachMessage;
160: UInt8 firstChar;
161: UInt32 charCountS1;
162: UInt8 * dataPointer1;
163:
164: CudaMachMessage * queueHead; // our command queue
165: CudaMachMessage * queueTail;
166: port_t port; // our interrupt port
167: pmCallback_func who_to_call; // ADB client's callback for solicited input
168: id theirId; // ADB client's id for input callback
169: UInt32 theirRefNum; // ADB client's refnum for input callback
170: ns_time_t adb_read_timeout; // timeout on read to absent adb device
171: UInt8 auto_power_on;
172:
173: }
174:
175:
176: + (Boolean)probe : (IODeviceDescription *)deviceDescription; // initialize the driver
177:
178: - initFromDeviceDescription : (IODeviceDescription *)deviceDescription;
179:
180: - free; // shut the driver down
181:
182: - (void)interruptOccurred;
183:
184: - (void)timeoutOccurred;
185:
186: - (void)receiveMsg;
187:
188:
189:
190: // ADB protocol
191: - (void)registerForADBAutopoll :(pmCallback_func)inputHandler
192: :(id)caller;
193:
194: - (PMUStatus)ADBWrite :(UInt32)DevAddr
195: :(UInt32)DevReg
196: :(UInt32)ByteCount
197: :(UInt8*)Buffer
198: :(UInt32)RefNum
199: :(id)Id
200: :(pmCallback_func)Callback;
201:
202: - (PMUStatus)ADBRead :(UInt32)DevAddr
203: :(UInt32)DevReg
204: :(UInt32)RefNum
205: :(id)Id
206: :(pmCallback_func)Callback;
207:
208: - (PMUStatus)ADBReset :(UInt32)Refnum
209: :(id)Id
210: :(pmCallback_func)Callback;
211:
212: - (PMUStatus)ADBFlush :(UInt32)DevAddr
213: :(UInt32)RefNum
214: :(id)Id
215: :(pmCallback_func)Callback;
216:
217: - (PMUStatus)ADBSetPollList :(UInt32)PollBitField
218: :(UInt32)RefNum
219: :(id)Id
220: :(pmCallback_func)Callback;
221:
222: - (PMUStatus)ADBPollDisable :(UInt32)RefNum
223: :(id)Id
224: :(pmCallback_func)Callback;
225:
226:
227: - (PMUStatus)ADBSetFileServerMode:(UInt32)RefNum
228: :(id)Id
229: :(pmCallback_func)Callback;
230:
231:
232: - (PMUStatus)ADBPollEnable :(UInt32)RefNum
233: :(id)Id
234: :(pmCallback_func)Callback;
235:
236: - (PMUStatus)ADBSetPollRate :(UInt32)newRate
237: :(UInt32)RefNum
238: :(id)Id
239: :(pmCallback_func)Callback;
240:
241: - (PMUStatus)ADBGetPollRate :(UInt32 *)currentRate
242: :(UInt32)RefNum
243: :(id)Id
244: :(pmCallback_func)Callback;
245:
246: - (PMUStatus)ADBSetAlternateKeyboard :(UInt32)DevAddr
247: :(UInt32)RefNum
248: :(id)Id
249: :(pmCallback_func)Callback;
250:
251:
252: // RTC protocol
253: - (void)registerForClockTicks :(pmCallback_func)tickHandler
254: :(id)caller;
255:
256: - (PMUStatus)setRealTimeClock :(UInt8 *)newTime
257: :(UInt32)RefNum
258: :(id)Id
259: :(pmCallback_func)Callback;
260:
261: - (PMUStatus)getRealTimeClock :(UInt8 *)currentTime
262: :(UInt32)RefNum
263: :(id)Id
264: :(pmCallback_func)Callback;
265:
266: - (PMUStatus)setPowerupTime :(UInt8 *)newTime
267: :(UInt32)RefNum
268: :(id)Id
269: :(pmCallback_func)Callback;
270:
271:
272: - (PMUStatus)CudaMisc :(UInt8 *)output
273: :(UInt32)length
274: :(UInt32)RefNum
275: :(id)Id
276: :(pmCallback_func)Callback;
277:
278: // private methods
279:
280: // - (void)ADBinput:(UInt32)theLength:(UInt8 *)theInput;
281:
282: - (void)StartCudaTransmission:(CudaRequest *)plugInMessage;
283:
284: - (void)EnableCudaInterrupt;
285:
286: - (void)CheckRequestQueue;
287:
288: -(void) cuda_error;
289: -(void) cuda_idle;
290: -(void) cuda_collision;
291: -(void) cuda_receive_last_byte;
292: -(void) cuda_receive_data;
293: -(void) cuda_unexpected_attention;
294: -(void) cuda_expected_attention;
295: -(void) cuda_transmit_data;
296: -(void) cuda_process_response;
297: -(void) poll_device;
298:
299:
300: @end
301:
302:
303:
304:
305:
306:
307:
308:
309:
310:
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