1 files changed, 0 insertions, 281 deletions
diff --git a/include/asm-x86/floppy.h b/include/asm-x86/floppy.h
deleted file mode 100644
index 7d83a3a..0000000
--- a/include/asm-x86/floppy.h
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * Architecture specific parts of the Floppy driver
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1995
- */
-#ifndef ASM_X86__FLOPPY_H
-#define ASM_X86__FLOPPY_H
-
-#include <linux/vmalloc.h>
-
-/*
- * The DMA channel used by the floppy controller cannot access data at
- * addresses >= 16MB
- *
- * Went back to the 1MB limit, as some people had problems with the floppy
- * driver otherwise. It doesn't matter much for performance anyway, as most
- * floppy accesses go through the track buffer.
- */
-#define _CROSS_64KB(a, s, vdma)						\
-	(!(vdma) &&							\
-	 ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64))
-
-#define CROSS_64KB(a, s) _CROSS_64KB(a, s, use_virtual_dma & 1)
-
-
-#define SW fd_routine[use_virtual_dma & 1]
-#define CSW fd_routine[can_use_virtual_dma & 1]
-
-
-#define fd_inb(port)		inb_p(port)
-#define fd_outb(value, port)	outb_p(value, port)
-
-#define fd_request_dma()	CSW._request_dma(FLOPPY_DMA, "floppy")
-#define fd_free_dma()		CSW._free_dma(FLOPPY_DMA)
-#define fd_enable_irq()		enable_irq(FLOPPY_IRQ)
-#define fd_disable_irq()	disable_irq(FLOPPY_IRQ)
-#define fd_free_irq()		free_irq(FLOPPY_IRQ, NULL)
-#define fd_get_dma_residue()	SW._get_dma_residue(FLOPPY_DMA)
-#define fd_dma_mem_alloc(size)	SW._dma_mem_alloc(size)
-#define fd_dma_setup(addr, size, mode, io) SW._dma_setup(addr, size, mode, io)
-
-#define FLOPPY_CAN_FALLBACK_ON_NODMA
-
-static int virtual_dma_count;
-static int virtual_dma_residue;
-static char *virtual_dma_addr;
-static int virtual_dma_mode;
-static int doing_pdma;
-
-static irqreturn_t floppy_hardint(int irq, void *dev_id)
-{
-	unsigned char st;
-
-#undef TRACE_FLPY_INT
-
-#ifdef TRACE_FLPY_INT
-	static int calls;
-	static int bytes;
-	static int dma_wait;
-#endif
-	if (!doing_pdma)
-		return floppy_interrupt(irq, dev_id);
-
-#ifdef TRACE_FLPY_INT
-	if (!calls)
-		bytes = virtual_dma_count;
-#endif
-
-	{
-		int lcount;
-		char *lptr;
-
-		st = 1;
-		for (lcount = virtual_dma_count, lptr = virtual_dma_addr;
-		     lcount; lcount--, lptr++) {
-			st = inb(virtual_dma_port + 4) & 0xa0;
-			if (st != 0xa0)
-				break;
-			if (virtual_dma_mode)
-				outb_p(*lptr, virtual_dma_port + 5);
-			else
-				*lptr = inb_p(virtual_dma_port + 5);
-		}
-		virtual_dma_count = lcount;
-		virtual_dma_addr = lptr;
-		st = inb(virtual_dma_port + 4);
-	}
-
-#ifdef TRACE_FLPY_INT
-	calls++;
-#endif
-	if (st == 0x20)
-		return IRQ_HANDLED;
-	if (!(st & 0x20)) {
-		virtual_dma_residue += virtual_dma_count;
-		virtual_dma_count = 0;
-#ifdef TRACE_FLPY_INT
-		printk("count=%x, residue=%x calls=%d bytes=%d dma_wait=%d\n",
-		       virtual_dma_count, virtual_dma_residue, calls, bytes,
-		       dma_wait);
-		calls = 0;
-		dma_wait = 0;
-#endif
-		doing_pdma = 0;
-		floppy_interrupt(irq, dev_id);
-		return IRQ_HANDLED;
-	}
-#ifdef TRACE_FLPY_INT
-	if (!virtual_dma_count)
-		dma_wait++;
-#endif
-	return IRQ_HANDLED;
-}
-
-static void fd_disable_dma(void)
-{
-	if (!(can_use_virtual_dma & 1))
-		disable_dma(FLOPPY_DMA);
-	doing_pdma = 0;
-	virtual_dma_residue += virtual_dma_count;
-	virtual_dma_count = 0;
-}
-
-static int vdma_request_dma(unsigned int dmanr, const char *device_id)
-{
-	return 0;
-}
-
-static void vdma_nop(unsigned int dummy)
-{
-}
-
-
-static int vdma_get_dma_residue(unsigned int dummy)
-{
-	return virtual_dma_count + virtual_dma_residue;
-}
-
-
-static int fd_request_irq(void)
-{
-	if (can_use_virtual_dma)
-		return request_irq(FLOPPY_IRQ, floppy_hardint,
-				   IRQF_DISABLED, "floppy", NULL);
-	else
-		return request_irq(FLOPPY_IRQ, floppy_interrupt,
-				   IRQF_DISABLED, "floppy", NULL);
-}
-
-static unsigned long dma_mem_alloc(unsigned long size)
-{
-	return __get_dma_pages(GFP_KERNEL|__GFP_NORETRY, get_order(size));
-}
-
-
-static unsigned long vdma_mem_alloc(unsigned long size)
-{
-	return (unsigned long)vmalloc(size);
-
-}
-
-#define nodma_mem_alloc(size) vdma_mem_alloc(size)
-
-static void _fd_dma_mem_free(unsigned long addr, unsigned long size)
-{
-	if ((unsigned long)addr >= (unsigned long)high_memory)
-		vfree((void *)addr);
-	else
-		free_pages(addr, get_order(size));
-}
-
-#define fd_dma_mem_free(addr, size)  _fd_dma_mem_free(addr, size)
-
-static void _fd_chose_dma_mode(char *addr, unsigned long size)
-{
-	if (can_use_virtual_dma == 2) {
-		if ((unsigned long)addr >= (unsigned long)high_memory ||
-		    isa_virt_to_bus(addr) >= 0x1000000 ||
-		    _CROSS_64KB(addr, size, 0))
-			use_virtual_dma = 1;
-		else
-			use_virtual_dma = 0;
-	} else {
-		use_virtual_dma = can_use_virtual_dma & 1;
-	}
-}
-
-#define fd_chose_dma_mode(addr, size) _fd_chose_dma_mode(addr, size)
-
-
-static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io)
-{
-	doing_pdma = 1;
-	virtual_dma_port = io;
-	virtual_dma_mode = (mode == DMA_MODE_WRITE);
-	virtual_dma_addr = addr;
-	virtual_dma_count = size;
-	virtual_dma_residue = 0;
-	return 0;
-}
-
-static int hard_dma_setup(char *addr, unsigned long size, int mode, int io)
-{
-#ifdef FLOPPY_SANITY_CHECK
-	if (CROSS_64KB(addr, size)) {
-		printk("DMA crossing 64-K boundary %p-%p\n", addr, addr+size);
-		return -1;
-	}
-#endif
-	/* actual, physical DMA */
-	doing_pdma = 0;
-	clear_dma_ff(FLOPPY_DMA);
-	set_dma_mode(FLOPPY_DMA, mode);
-	set_dma_addr(FLOPPY_DMA, isa_virt_to_bus(addr));
-	set_dma_count(FLOPPY_DMA, size);
-	enable_dma(FLOPPY_DMA);
-	return 0;
-}
-
-static struct fd_routine_l {
-	int (*_request_dma)(unsigned int dmanr, const char *device_id);
-	void (*_free_dma)(unsigned int dmanr);
-	int (*_get_dma_residue)(unsigned int dummy);
-	unsigned long (*_dma_mem_alloc)(unsigned long size);
-	int (*_dma_setup)(char *addr, unsigned long size, int mode, int io);
-} fd_routine[] = {
-	{
-		request_dma,
-		free_dma,
-		get_dma_residue,
-		dma_mem_alloc,
-		hard_dma_setup
-	},
-	{
-		vdma_request_dma,
-		vdma_nop,
-		vdma_get_dma_residue,
-		vdma_mem_alloc,
-		vdma_dma_setup
-	}
-};
-
-
-static int FDC1 = 0x3f0;
-static int FDC2 = -1;
-
-/*
- * Floppy types are stored in the rtc's CMOS RAM and so rtc_lock
- * is needed to prevent corrupted CMOS RAM in case "insmod floppy"
- * coincides with another rtc CMOS user.		Paul G.
- */
-#define FLOPPY0_TYPE					\
-({							\
-	unsigned long flags;				\
-	unsigned char val;				\
-	spin_lock_irqsave(&rtc_lock, flags);		\
-	val = (CMOS_READ(0x10) >> 4) & 15;		\
-	spin_unlock_irqrestore(&rtc_lock, flags);	\
-	val;						\
-})
-
-#define FLOPPY1_TYPE					\
-({							\
-	unsigned long flags;				\
-	unsigned char val;				\
-	spin_lock_irqsave(&rtc_lock, flags);		\
-	val = CMOS_READ(0x10) & 15;			\
-	spin_unlock_irqrestore(&rtc_lock, flags);	\
-	val;						\
-})
-
-#define N_FDC 2
-#define N_DRIVE 8
-
-#define EXTRA_FLOPPY_PARAMS
-
-#endif /* ASM_X86__FLOPPY_H */