| 1 | /* $Id: irqos2.h,v 1.1.1.1 2003/07/02 13:56:58 eleph Exp $ */
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| 2 | /*
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| 3 | * Header for IRQ definitions & structures
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| 4 | *
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| 5 | * (C) 2000-2002 InnoTek Systemberatung GmbH
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| 6 | *
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| 7 | * This program is free software; you can redistribute it and/or
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| 8 | * modify it under the terms of the GNU General Public License as
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| 9 | * published by the Free Software Foundation; either version 2 of
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| 10 | * the License, or (at your option) any later version.
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| 11 | *
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| 12 | * This program is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public
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| 18 | * License along with this program; if not, write to the Free
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| 19 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
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| 20 | * USA.
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| 21 | *
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| 22 | */
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| 23 |
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| 24 | #ifndef __IRQOS2_H__
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| 25 | #define __IRQOS2_H__
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| 26 |
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| 27 | #define MAX_SHAREDIRQS 8
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| 28 | #define MAX_IRQ_SLOTS 8
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| 29 |
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| 30 |
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| 31 | typedef int irqreturn_t;
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| 32 | typedef irqreturn_t (*snd_irq_handler_t)(int, void *);
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| 33 | #define irq_handler_t snd_irq_handler_t
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| 34 | #undef irq_handler_t
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| 35 | #define irq_handler_t snd_irq_handler_t
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| 36 |
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| 37 | typedef struct {
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| 38 | irq_handler_t handler;
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| 39 | ULONG x0;
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| 40 | char *x1;
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| 41 | void *x2;
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| 42 | } IRQHANDLER_INFO;
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| 43 |
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| 44 | typedef struct
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| 45 | {
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| 46 | unsigned irqNo;
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| 47 | unsigned fEOI;
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| 48 | unsigned flHandlers;
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| 49 | IRQHANDLER_INFO irqHandlers[MAX_SHAREDIRQS];
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| 50 | ULONG hRes;
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| 51 | } IRQ_SLOT;
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| 52 |
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| 53 |
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| 54 | #ifdef __cplusplus
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| 55 | extern "C" {
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| 56 | #endif
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| 57 |
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| 58 | BOOL ALSA_SetIrq(ULONG ulIrq, ULONG ulSlotNo, BOOL fShared);
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| 59 | BOOL ALSA_FreeIrq(ULONG ulIrq);
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| 60 |
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| 61 | BOOL process_interrupt(ULONG ulSlotNo, ULONG *pulIrq);
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| 62 |
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| 63 | #ifdef __cplusplus
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| 64 | }
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| 65 | #endif
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| 66 |
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| 67 | #endif //__IRQOS2_H__
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| 68 |
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