source: GPL/branches/uniaud32-2.1.x/drv32/strategy.c@ 498

Last change on this file since 498 was 458, checked in by Paul Smedley, 16 years ago

Revert ACPI fixes from changeset 453 due to reported hangs
File size: 7.3 KB
Line 
1/* $Id: strategy.c,v 1.1.1.1 2003/07/02 13:56:56 eleph Exp $ */
2/*
3 * Strategy entry point
4 *
5 * (C) 2000-2002 InnoTek Systemberatung GmbH
6 * (C) 2000-2001 Sander van Leeuwen (sandervl@xs4all.nl)
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public
19 * License along with this program; if not, write to the Free
20 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
21 * USA.
22 *
23 */
24
25#define INCL_NOPMAPI
26#define INCL_DOSINFOSEG // Need Global info seg in rm.cpp algorithms
27#include <os2.h>
28
29#include <devhelp.h>
30#include <devrp.h>
31#include <devown.h>
32#include "strategy.h"
33#include <ossidc32.h>
34#include <dbgos2.h>
35
36ULONG StratRead(RP __far *_rp);
37ULONG StratIOCtl(RP __far *_rp);
38ULONG StratClose(RP __far *_rp);
39
40ULONG DiscardableInit(RPInit __far*);
41
42ULONG deviceOwner = DEV_NO_OWNER;
43ULONG numOS2Opens = 0;
44
45//******************************************************************************
46//******************************************************************************
47ULONG StratOpen(RP __far*)
48{
49 if (numOS2Opens == 0) {
50 deviceOwner = DEV_PDD_OWNER;
51 }
52 numOS2Opens++;
53 return RPDONE;
54}
55//******************************************************************************
56//******************************************************************************
57#pragma off (unreferenced)
58static ULONG StratWrite(RP __far* _rp)
59#pragma on (unreferenced)
60{
61 return RPDONE | RPERR;
62}
63//******************************************************************************
64// External initialization entry-point
65//******************************************************************************
66ULONG StratInit(RP __far* _rp)
67{
68 ULONG rc;
69
70 RPInit __far* rp = (RPInit __far*)_rp;
71 rc = DiscardableInit(rp);
72#ifdef DEBUG
73 dprintf(("StratInit. cp1.rc %d", rc));
74#endif
75 return rc;
76}
77//******************************************************************************
78// External initialization complete entry-point
79#ifdef ACPI
80// See desription in irq.cpp
81#include "irqos2.h" //PS+++
82#ifdef __cplusplus
83extern "C" {
84#endif
85ULONG InitCompleteWas = 0; //PS+++ Indication of InitComplete call
86struct SaveIRQForSlot
87{
88 ULONG ulSlotNo;
89 BYTE LowIRQ;
90 BYTE HighIRQ;
91 BYTE Pin;
92};
93extern struct SaveIRQForSlot sISRHigh[];
94extern int SaveIRQCounter;
95#ifdef __cplusplus
96}
97#endif
98#endif //ACPI
99//******************************************************************************
100#pragma off (unreferenced)
101ULONG StratInitComplete(RP __far* _rp)
102#pragma on (unreferenced)
103{
104#ifdef ACPI
105//PS+++ Begin
106 ULONG i, rc = 0;
107
108 InitCompleteWas = 1;
109 for (i = 0; i < SaveIRQCounter; i++)
110 {
111 dprintf(("Close IRQ%d - Open IRQ%d",(ULONG)sISRHigh[i].LowIRQ,(ULONG)sISRHigh[i].HighIRQ));
112 if (sISRHigh[i].HighIRQ)
113 {
114 ALSA_FreeIrq(sISRHigh[i].LowIRQ);
115 if (!ALSA_SetIrq(sISRHigh[i].HighIRQ, sISRHigh[i].ulSlotNo, 1))
116 {
117 return (RPERR_COMMAND | RPDONE);
118 }
119 }
120 }
121#endif
122//PS++ End
123#ifdef DEBUG
124 dprintf(("StratInitComplete"));
125#endif
126 return(RPDONE);
127}
128//******************************************************************************
129//******************************************************************************
130#pragma off (unreferenced)
131ULONG StratShutdown(RP __far *_rp)
132#pragma on (unreferenced)
133{
134 RPShutdown __far *rp = (RPShutdown __far *)_rp;
135
136#ifdef DEBUG
137 dprintf(("StratShutdown %d", rp->Function));
138#endif
139 if(rp->Function == 1) {//end of shutdown
140 OSS32_Shutdown();
141 }
142 return(RPDONE);
143}
144//******************************************************************************
145//******************************************************************************
146// Handle unsupported requests
147static ULONG StratError(RP __far*)
148{
149 return RPERR_COMMAND | RPDONE;
150}
151//******************************************************************************
152// Strategy dispatch table
153//
154// This table is used by the strategy routine to dispatch strategy requests
155//******************************************************************************
156typedef ULONG (*RPHandler)(RP __far* rp);
157RPHandler StratDispatch[] =
158{
159 StratInit, // 00 (BC): Initialization
160 StratError, // 01 (B ): Media check
161 StratError, // 02 (B ): Build BIOS parameter block
162 StratError, // 03 ( ): Unused
163 StratRead, // 04 (BC): Read
164 StratError, // 05 ( C): Nondestructive read with no wait
165 StratError, // 06 ( C): Input status
166 StratError, // 07 ( C): Input flush
167 StratWrite, // 08 (BC): Write
168 StratError, // 09 (BC): Write verify
169 StratError, // 0A ( C): Output status
170 StratError, // 0B ( C): Output flush
171 StratError, // 0C ( ): Unused
172 StratOpen, // 0D (BC): Open
173 StratClose, // 0E (BC): Close
174 StratError, // 0F (B ): Removable media check
175 StratIOCtl, // 10 (BC): IO Control
176 StratError, // 11 (B ): Reset media
177 StratError, // 12 (B ): Get logical unit
178 StratError, // 13 (B ): Set logical unit
179 StratError, // 14 ( C): Deinstall character device driver
180 StratError, // 15 ( ): Unused
181 StratError, // 16 (B ): Count partitionable fixed disks
182 StratError, // 17 (B ): Get logical unit mapping of fixed disk
183 StratError, // 18 ( ): Unused
184 StratError, // 19 ( ): Unused
185 StratError, // 1A ( ): Unused
186 StratError, // 1B ( ): Unused
187 StratShutdown, // 1C (BC): Notify start or end of system shutdown
188 StratError, // 1D (B ): Get driver capabilities
189 StratError, // 1E ( ): Unused
190 StratInitComplete // 1F (BC): Notify end of initialization
191};
192//******************************************************************************
193// Strategy entry point
194//
195// The strategy entry point must be declared according to the STRATEGY
196// calling convention, which fetches arguments from the correct registers.
197//******************************************************************************
198ULONG Strategy(RP __far* rp);
199#pragma aux (STRATEGY) Strategy "ALSA_STRATEGY";
200ULONG Strategy(RP __far* rp)
201{
202 if (rp->Command < sizeof(StratDispatch)/sizeof(StratDispatch[0]))
203 return(StratDispatch[rp->Command](rp));
204 else return(RPERR_COMMAND | RPDONE);
205}
206//******************************************************************************
207//******************************************************************************
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