X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=dosdemo;a=blobdiff_plain;f=libs%2Fmikmod%2Fdrivers%2Fdos%2Fdosirq.h;fp=libs%2Fmikmod%2Fdrivers%2Fdos%2Fdosirq.h;h=0000000000000000000000000000000000000000;hp=eaf60a1736731879037aeec1638a6454948a999f;hb=b2c24e9d5b637bb78d18a377d9957c07d0759030;hpb=67c749060592270c9cd8b4f7dafe7d7c7a61a614

diff --git a/libs/mikmod/drivers/dos/dosirq.h b/libs/mikmod/drivers/dos/dosirq.h
deleted file mode 100644
index eaf60a1..0000000
--- a/libs/mikmod/drivers/dos/dosirq.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
-    Interface for IRQ routines on DOS
-    Copyright (C) 1999 by Andrew Zabolotny, <bit@eltech.ru>
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public
-    License along with this library; if not, write to the Free
-    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#ifndef __DOSIRQ_H__
-#define __DOSIRQ_H__
-
-#include <pc.h>
-
-#define PIC1_BASE	0x20		/* PIC1 base */
-#define PIC2_BASE	0xA0		/* PIC2 base */
-
-struct irq_handle {
-	void (*c_handler) ();		/* The real interrupt handler */
-	unsigned long handler_size;	/* The size of interrupt handler */
-	unsigned long handler;		/* Interrupt wrapper address */
-	unsigned long prev_selector;	/* Selector of previous handler */
-	unsigned long prev_offset;	/* Offset of previous handler */
-	unsigned char irq_num;		/* IRQ number */
-	unsigned char int_num;		/* Interrupt number */
-	unsigned char pic_base;		/* PIC base (0x20 or 0xA0) */
-	unsigned char pic_mask;		/* Old PIC mask state */
-};
-
-/* Return the enabled state for specific IRQ */
-static inline unsigned char irq_state(struct irq_handle * irq)
-{
-	return ((~inportb(irq->pic_base + 1)) & (0x01 << (irq->irq_num & 7)));
-}
-
-/* Acknowledge the end of interrupt */
-static inline void _irq_ack(int irqno)
-{
-	outportb(irqno > 7 ? PIC2_BASE : PIC1_BASE, 0x60 | (irqno & 7));
-	/* For second controller we also should acknowledge first controller */
-	if (irqno > 7)
-		outportb(PIC1_BASE, 0x20);	/* 0x20, 0x62? */
-}
-
-/* Acknowledge the end of interrupt */
-static inline void irq_ack(struct irq_handle * irq)
-{
-	outportb(irq->pic_base, 0x60 | (irq->irq_num & 7));
-	/* For second controller we also should acknowledge first controller */
-	if (irq->pic_base != PIC1_BASE)
-		outportb(PIC1_BASE, 0x20);	/* 0x20, 0x62? */
-}
-
-/* Mask (disable) the particular IRQ given his ordinal */
-static inline void _irq_disable(int irqno)
-{
-	unsigned int port_no = (irqno < 8 ? PIC1_BASE : PIC2_BASE) + 1;
-	outportb(port_no, inportb(port_no) | (1 << (irqno & 7)));
-}
-
-/* Unmask (enable) the particular IRQ given its ordinal */
-static inline void _irq_enable(int irqno)
-{
-	unsigned int port_no = (irqno < 8 ? PIC1_BASE : PIC2_BASE) + 1;
-	outportb(port_no, inportb(port_no) & ~(1 << (irqno & 7)));
-}
-
-/* Mask (disable) the particular IRQ given its irq_handle structure */
-static inline void irq_disable(struct irq_handle * irq)
-{
-	outportb(irq->pic_base + 1,
-                 inportb(irq->pic_base + 1) | (1 << (irq->irq_num & 7)));
-}
-
-/* Unmask (enable) the particular IRQ given its irq_handle structure */
-static inline void irq_enable(struct irq_handle * irq)
-{
-	outportb(irq->pic_base + 1,
-                 inportb(irq->pic_base + 1) & ~(1 << (irq->irq_num & 7)));
-}
-
-/* Check if a specific IRQ is pending: return 0 is no */
-static inline int irq_check(struct irq_handle * irq)
-{
-	outportb(irq->pic_base, 0x0B);	/* Read IRR vector */
-	return (inportb(irq->pic_base) & (1 << (irq->irq_num & 7)));
-}
-
-/* Hook a specific IRQ; NOTE: IRQ is disabled upon return, irq_enable() it */
-extern struct irq_handle *irq_hook(int irqno, void (*handler)(),
-                                   unsigned long size);
-/* Unhook a previously hooked IRQ */
-extern void irq_unhook(struct irq_handle * irq);
-/* Start IRQ detection process (IRQ list is given with irq mask) */
-/* irq_confirm should return "1" if the IRQ really comes from the device */
-extern void irq_detect_start(unsigned int irqs,
-                             int (*irq_confirm) (int irqno));
-/* Finish IRQ detection process */
-extern void irq_detect_end();
-/* Get the count of specific irqno that happened */
-extern int irq_detect_get(int irqno, unsigned int *irqmask);
-/* Clear IRQ counters */
-extern void irq_detect_clear();
-
-/* The size of interrupt stack */
-extern unsigned int __irq_stack_size;
-/* The number of nested interrupts that can be handled */
-extern unsigned int __irq_stack_count;
-
-#endif /* __DOSIRQ_H__ */
-
-/* ex:set ts=4: */