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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: typedef volatile unsigned char *VIAAddress; // This is an address on the bus ! 31: ! 32: // ********************************************************************************** ! 33: // ! 34: // VIA definitions ! 35: // ! 36: // ********************************************************************************** ! 37: ! 38: enum { // port B ! 39: // M2 uses VIA2 ! 40: M2Req = 2, // Power manager handshake request ! 41: M2Ack = 1, // Power manager handshake acknowledge ! 42: // Hooper uses VIA1 ! 43: HooperReq = 4, // request ! 44: HooperAck = 3 // acknowledge ! 45: }; ! 46: ! 47: enum { // IFR/IER ! 48: ifCA2 = 0, // CA2 interrupt ! 49: ifCA1 = 1, // CA1 interrupt ! 50: ifSR = 2, // SR shift register done ! 51: ifCB2 = 3, // CB2 interrupt ! 52: ifCB1 = 4, // CB1 interrupt ! 53: ifT2 = 5, // T2 timer2 interrupt ! 54: ifT1 = 6, // T1 timer1 interrupt ! 55: ifIRQ = 7 // any interrupt ! 56: }; ! 57: ! 58: // ********************************************************************************** ! 59: // bits in response to kPMUReadInt command ! 60: // ********************************************************************************** ! 61: ! 62: enum { ! 63: kPMUMD0Int = 0x01, // interrupt type 0 (machine-specific) ! 64: kPMUMD1Int = 0x02, // interrupt type 1 (machine-specific) ! 65: kPMUMD2Int = 0x04, // interrupt type 2 (machine-specific) ! 66: kPMUbrightnessInt = 0x08, // brightness button has been pressed, value changed ! 67: kPMUADBint = 0x10, // ADB ! 68: kPMUbattInt = 0x20, // battery ! 69: kPMUenvironmentInt = 0x40, // environment ! 70: kPMUoneSecInt = 0x80 // one second interrupt ! 71: }; ! 72: ! 73: enum { // when kPMUADBint is set ! 74: kPMUautopoll = 0x04 // input is autopoll data ! 75: }; ! 76: ! 77: // ********************************************************************************** ! 78: // states of the ISR ! 79: // ********************************************************************************** ! 80: ! 81: enum { ! 82: kPMUidle, ! 83: kPMUxmtLen, ! 84: kPMUxmtData, ! 85: kPMUreadLen_cmd, ! 86: kPMUrcvLen_cmd, ! 87: kPMUreadData, ! 88: kPMUrcvData_cmd, ! 89: kPMUdone, ! 90: kPMUreadLen_int, ! 91: kPMUrcvLen_int, ! 92: kPMUrcvData_int ! 93: }; ! 94: ! 95: ! 96: enum { ! 97: kPMUADBAddressField = 4 ! 98: }; ! 99: ! 100: enum { ! 101: kPMUResetADBBus = 0x00, ! 102: kPMUFlushADB = 0x01, ! 103: kPMUWriteADB = 0x08, ! 104: kPMUReadADB = 0x0C, ! 105: kPMURWMaskADB = 0x0C ! 106: }; ! 107: ! 108: #define MISC_LENGTH 8 ! 109: ! 110: struct PMURequest { ! 111: struct PMUmachMessage * next; ! 112: struct PMUmachMessage * prev; ! 113: UInt32 pmCommand; ! 114: UInt32 pmSLength1; ! 115: UInt8 * pmSBuffer2; ! 116: UInt32 pmSLength2; ! 117: UInt8 * pmRBuffer; ! 118: Boolean pmFlag; ! 119: pmCallback_func pmCallback; ! 120: id pmId; ! 121: UInt32 pmRefNum; ! 122: UInt8 pmSBuffer1[MISC_LENGTH]; ! 123: }; ! 124: ! 125: typedef struct PMURequest PMURequest; ! 126: ! 127: struct PMUmachMessage { ! 128: msg_header_t msgHeader; ! 129: msg_type_t msgType; ! 130: PMURequest msgBody; ! 131: }; ! 132: ! 133: typedef struct PMUmachMessage PMUmachMessage; ! 134: ! 135: ! 136: @interface ApplePMU : IODirectDevice <ADBservice, RTCservice, NVRAMservice, PowerService> ! 137: { ! 138: VIAAddress VIA1_shift; // pointers to VIA registers ! 139: VIAAddress VIA1_auxillaryControl; ! 140: VIAAddress VIA1_interruptFlag; ! 141: VIAAddress VIA1_interruptEnable; ! 142: VIAAddress VIA2_dataB; ! 143: UInt8 PMreq; // req bit ! 144: UInt8 PMack; // ack bit ! 145: UInt8 savedPGEintEn; ! 146: UInt8 savedSRintEn; ! 147: pmADBinput_func ADBclient; // Input handler in ADB client ! 148: id ADBid; // id of ADB client ! 149: pmCallback_func RTCclient; // Tick handler in RTC client ! 150: id RTCid; // id of RTC client ! 151: pmCallback_func PWRclient; // Button handler in Power Management client ! 152: id PWRid; // id of Power Management client ! 153: Boolean debugging; // TRUE to avoid COP timeout during debugging ! 154: PMURequest * clientRequest; ! 155: PMUmachMessage localMachMessage; ! 156: UInt8 firstChar; ! 157: UInt32 charCountS1; ! 158: UInt32 charCountS2; ! 159: UInt8 * dataPointer1; ! 160: UInt8 * dataPointer2; ! 161: UInt8 * dataPointer; ! 162: SInt32 charCountR; ! 163: SInt32 charCountR2; ! 164: UInt32 PGE_ISR_state; ! 165: UInt8 receivedByte; ! 166: UInt8 interruptState[12]; ! 167: PMUmachMessage * queueHead; // our command queue ! 168: PMUmachMessage * queueTail; ! 169: port_t port; // our interrupt port ! 170: UInt32 pollList; // ADB autopoll device bitmap ! 171: Boolean autopollOn; // TRUE: PMU is autopolling ! 172: Boolean adb_reading; // TRUE: we have a register read outstanding ! 173: pmCallback_func who_to_call; // ADB client's callback for solicited input ! 174: id theirId; // ADB client's id for input callback ! 175: UInt32 theirRefNum; // ADB client's refnum for input callback ! 176: ns_time_t adb_read_timeout; // timeout on read to absent adb device ! 177: Boolean PMU_int_pending; // TRUE: PMU has requested service ! 178: } ! 179: ! 180: ! 181: + (Boolean)probe : (IODeviceDescription *)deviceDescription; // initialize the PMU driver ! 182: ! 183: - initFromDeviceDescription : (IODeviceDescription *)deviceDescription; ! 184: ! 185: - free; // shut the driver down ! 186: ! 187: - (void)interruptOccurred; ! 188: ! 189: - (void)interruptOccurredAt:(int)localInterrupt; ! 190: ! 191: - (void)timeoutOccurred; ! 192: ! 193: - (void)receiveMsg; ! 194: ! 195: ! 196: ! 197: // ADB protocol ! 198: - (void)registerForADBAutopoll :(pmADBinput_func)inputHandler ! 199: :(id)caller; ! 200: ! 201: - (PMUStatus)ADBWrite :(UInt32)DevAddr ! 202: :(UInt32)DevReg ! 203: :(UInt32)ByteCount ! 204: :(UInt8*)Buffer ! 205: :(UInt32)RefNum ! 206: :(id)Id ! 207: :(pmCallback_func)Callback; ! 208: ! 209: - (PMUStatus)ADBRead :(UInt32)DevAddr ! 210: :(UInt32)DevReg ! 211: :(UInt32)RefNum ! 212: :(id)Id ! 213: :(pmCallback_func)Callback; ! 214: ! 215: - (PMUStatus)ADBReset :(UInt32)Refnum ! 216: :(id)Id ! 217: :(pmCallback_func)Callback; ! 218: ! 219: - (PMUStatus)ADBFlush :(UInt32)DevAddr ! 220: :(UInt32)RefNum ! 221: :(id)Id ! 222: :(pmCallback_func)Callback; ! 223: ! 224: - (PMUStatus)ADBSetPollList :(UInt32)PollBitField ! 225: :(UInt32)RefNum ! 226: :(id)Id ! 227: :(pmCallback_func)Callback; ! 228: ! 229: - (PMUStatus)ADBPollDisable :(UInt32)RefNum ! 230: :(id)Id ! 231: :(pmCallback_func)Callback; ! 232: ! 233: - (PMUStatus)ADBPollEnable :(UInt32)RefNum ! 234: :(id)Id ! 235: :(pmCallback_func)Callback; ! 236: ! 237: - (PMUStatus)ADBSetPollRate :(UInt32)newRate ! 238: :(UInt32)RefNum ! 239: :(id)Id ! 240: :(pmCallback_func)Callback; ! 241: ! 242: - (PMUStatus)ADBGetPollRate :(UInt32 *)currentRate ! 243: :(UInt32)RefNum ! 244: :(id)Id ! 245: :(pmCallback_func)Callback; ! 246: ! 247: - (PMUStatus)ADBSetAlternateKeyboard :(UInt32)DevAddr ! 248: :(UInt32)RefNum ! 249: :(id)Id ! 250: :(pmCallback_func)Callback; ! 251: ! 252: - (void)poll_device; ! 253: ! 254: ! 255: // RTC protocol ! 256: - (void)registerForClockTicks :(pmCallback_func)tickHandler ! 257: :(id)caller; ! 258: ! 259: - (PMUStatus)setRealTimeClock :(UInt8 *)newTime ! 260: :(UInt32)RefNum ! 261: :(id)Id ! 262: :(pmCallback_func)Callback; ! 263: ! 264: - (PMUStatus)getRealTimeClock :(UInt8 *)currentTime ! 265: :(UInt32)RefNum ! 266: :(id)Id ! 267: :(pmCallback_func)Callback; ! 268: ! 269: ! 270: // NVRAM protocol ! 271: - (PMUStatus) readNVRAM :(UInt32)Offset ! 272: :(UInt32)Length ! 273: :(UInt8 *)Buffer ! 274: :(UInt32)RefNum ! 275: :(id)Id ! 276: :(pmCallback_func)Callback; ! 277: ! 278: - (PMUStatus) writeNVRAM:(UInt32)Offset ! 279: :(UInt32)Length ! 280: :(UInt8 *)Buffer ! 281: :(UInt32)RefNum ! 282: :(id)Id ! 283: :(pmCallback_func)Callback; ! 284: ! 285: ! 286: // Power Management protocol ! 287: - (void)registerForPowerInterrupts :(pmCallback_func)buttonHandler ! 288: :(id)caller; ! 289: ! 290: ! 291: // Misc protocol ! 292: - (PMUStatus)sendMiscCommand :(UInt32)Command ! 293: :(UInt32)SLength ! 294: :(UInt8 *)SBuffer ! 295: :(UInt8 *)RBuffer ! 296: :(UInt32)RefNum ! 297: :(id)Id ! 298: :(pmCallback_func)Callback; ! 299: ! 300: ! 301: ! 302: ! 303: // private methods ! 304: ! 305: - (void)ADBinput:(UInt32)theLength:(UInt8 *)theInput; ! 306: ! 307: - (void)StartPMUTransmission:(PMURequest *)plugInMessage; ! 308: ! 309: - (void)SendPMUByte:(UInt8)theByte; ! 310: ! 311: - (void)ReadPMUByte:(UInt8*)theByte; ! 312: ! 313: - (Boolean)WaitForAckLo; ! 314: ! 315: - (Boolean)WaitForAckHi; ! 316: ! 317: - (UInt8)GetPMUInterruptState; ! 318: ! 319: - (void)RestorePMUInterrupt:(UInt8)savedPGEintEn; ! 320: ! 321: - (void)DisablePMUInterrupt; ! 322: ! 323: - (void)EnablePMUInterrupt; ! 324: ! 325: - (void)AcknowledgePMUInterrupt; ! 326: ! 327: - (UInt8)GetSRInterruptState; ! 328: ! 329: - (void)RestoreSRInterrupt:(UInt8)savedSRintEn; ! 330: ! 331: - (void)DisableSRInterrupt; ! 332: ! 333: - (void)EnableSRInterrupt; ! 334: ! 335: - (void)CheckRequestQueue; ! 336: ! 337: @end ! 338: ! 339: ! 340: ! 341: ! 342: ! 343: ! 344: ! 345: ! 346: ! 347:
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