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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: // Copyright 1997 by Apple Computer, Inc., all rights reserved.
26: /*
27: * Copyright (c) 1994-1997 NeXT Software, Inc. All rights reserved.
28: *
29: * IdeCntCmds.m - IDE commands interface.
30: *
31: * HISTORY
32: * 17-July-1994 Rakesh Dubey at NeXT
33: * Created.
34: */
35:
36: #import <driverkit/return.h>
37: #import <driverkit/driverTypes.h>
38: #import <driverkit/IODevice.h>
39: #import <driverkit/ppc/directDevice.h>
40: #import <driverkit/generalFuncs.h>
41: #import "IdeCntPublic.h"
42:
43:
44: /*
45: * IDE commands to the controller. These methods are used by the Disk objects
46: * via the IdeSendCmd:ToDrive: interface. They also might be invoked by one
47: * of the internal methods.
48: */
49:
50: @interface IdeController(Commands)
51:
52: /*
53: * The following commands use the revelant register values from
54: * ideRegsAddrs as inputs. In case of a command failure (i.e., when the
55: * returned value is IDER_CMD_ERROR, all registers are dumped into
56: * ideRegsAddrs structure.
57: */
58:
59: - (ide_return_t) ideReadGetInfoCommon:(ideRegsVal_t *)ideRegs
60: client:(struct vm_map *)client
61: addr:(caddr_t)xferAddr
62: command:(unsigned)cmd;
63:
64: - (ide_return_t) ideReadMultiple:(ideRegsVal_t *)ideRegs
65: client:(struct vm_map *)client
66: addr:(caddr_t)xferAddr;
67:
68: - (ide_return_t) ideWrite:(ideRegsVal_t *)ideRegs
69: client:(struct vm_map *)client
70: addr:(caddr_t)addr;
71:
72: - (ide_return_t) ideWriteMultiple:(ideRegsVal_t *)ideRegs
73: client: (struct vm_map *)client
74: addr:(caddr_t)addr;
75:
76: - (ide_return_t) ideReadVerifySeekCommon:(ideRegsVal_t *)ideRegs
77: command:(unsigned)cmd;
78:
79: /*
80: * ideDiagnose and ideSetParams:numHeads:ForDrive are also used by the
81: * controller class.
82: */
83:
84: - (ide_return_t)ideDiagnose:(unsigned *)error;
85:
86: - (ide_return_t)ideSetParams:(unsigned)sectCnt numHeads:(unsigned)nHeads
87: ForDrive:(unsigned)drive;
88:
89: - (ide_return_t)ideSetDriveFeature:(unsigned)feature value:(unsigned)val;
90:
91: - (ide_return_t) ideRestore:(ideRegsVal_t *)ideRegs;
92:
93: - (ide_return_t) ideSetMultiSectorMode:(ideRegsVal_t *)ideRegs
94: numSectors:(unsigned char)nSectors;
95:
96:
97: - (ideRegsVal_t)logToPhys:(unsigned)block numOfBlocks:(unsigned)nblk;
98:
99: /*
100: * These methods are used by the IdeDisk class.
101: */
102: - (IOReturn) _ideExecuteCmd : (ideIoReq_t *)ideIoReq
103: ToDrive: (unsigned char) drive;
104:
105: @end
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