summaryrefslogtreecommitdiffstats
path: root/arch/alpha/include/asm/floppy.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/alpha/include/asm/floppy.h')
-rw-r--r--arch/alpha/include/asm/floppy.h115
1 files changed, 0 insertions, 115 deletions
diff --git a/arch/alpha/include/asm/floppy.h b/arch/alpha/include/asm/floppy.h
deleted file mode 100644
index 46cefbd..0000000
--- a/arch/alpha/include/asm/floppy.h
+++ /dev/null
@@ -1,115 +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_ALPHA_FLOPPY_H
-#define __ASM_ALPHA_FLOPPY_H
-
-
-#define fd_inb(port) inb_p(port)
-#define fd_outb(value,port) outb_p(value,port)
-
-#define fd_enable_dma() enable_dma(FLOPPY_DMA)
-#define fd_disable_dma() disable_dma(FLOPPY_DMA)
-#define fd_request_dma() request_dma(FLOPPY_DMA,"floppy")
-#define fd_free_dma() free_dma(FLOPPY_DMA)
-#define fd_clear_dma_ff() clear_dma_ff(FLOPPY_DMA)
-#define fd_set_dma_mode(mode) set_dma_mode(FLOPPY_DMA,mode)
-#define fd_set_dma_addr(addr) set_dma_addr(FLOPPY_DMA,virt_to_bus(addr))
-#define fd_set_dma_count(count) set_dma_count(FLOPPY_DMA,count)
-#define fd_enable_irq() enable_irq(FLOPPY_IRQ)
-#define fd_disable_irq() disable_irq(FLOPPY_IRQ)
-#define fd_cacheflush(addr,size) /* nothing */
-#define fd_request_irq() request_irq(FLOPPY_IRQ, floppy_interrupt,\
- IRQF_DISABLED, "floppy", NULL)
-#define fd_free_irq() free_irq(FLOPPY_IRQ, NULL)
-
-#ifdef CONFIG_PCI
-
-#include <linux/pci.h>
-
-#define fd_dma_setup(addr,size,mode,io) alpha_fd_dma_setup(addr,size,mode,io)
-
-static __inline__ int
-alpha_fd_dma_setup(char *addr, unsigned long size, int mode, int io)
-{
- static unsigned long prev_size;
- static dma_addr_t bus_addr = 0;
- static char *prev_addr;
- static int prev_dir;
- int dir;
-
- dir = (mode != DMA_MODE_READ) ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE;
-
- if (bus_addr
- && (addr != prev_addr || size != prev_size || dir != prev_dir)) {
- /* different from last time -- unmap prev */
- pci_unmap_single(isa_bridge, bus_addr, prev_size, prev_dir);
- bus_addr = 0;
- }
-
- if (!bus_addr) /* need to map it */
- bus_addr = pci_map_single(isa_bridge, addr, size, dir);
-
- /* remember this one as prev */
- prev_addr = addr;
- prev_size = size;
- prev_dir = dir;
-
- fd_clear_dma_ff();
- fd_cacheflush(addr, size);
- fd_set_dma_mode(mode);
- set_dma_addr(FLOPPY_DMA, bus_addr);
- fd_set_dma_count(size);
- virtual_dma_port = io;
- fd_enable_dma();
-
- return 0;
-}
-
-#endif /* CONFIG_PCI */
-
-__inline__ void virtual_dma_init(void)
-{
- /* Nothing to do on an Alpha */
-}
-
-static int FDC1 = 0x3f0;
-static int FDC2 = -1;
-
-/*
- * Again, the CMOS information doesn't work on the alpha..
- */
-#define FLOPPY0_TYPE 6
-#define FLOPPY1_TYPE 0
-
-#define N_FDC 2
-#define N_DRIVE 8
-
-/*
- * Most Alphas have no problems with floppy DMA crossing 64k borders,
- * except for certain ones, like XL and RUFFIAN.
- *
- * However, the test is simple and fast, and this *is* floppy, after all,
- * so we do it for all platforms, just to make sure.
- *
- * This is advantageous in other circumstances as well, as in moving
- * about the PCI DMA windows and forcing the floppy to start doing
- * scatter-gather when it never had before, and there *is* a problem
- * on that platform... ;-}
- */
-
-static inline unsigned long CROSS_64KB(void *a, unsigned long s)
-{
- unsigned long p = (unsigned long)a;
- return ((p + s - 1) ^ p) & ~0xffffUL;
-}
-
-#define EXTRA_FLOPPY_PARAMS
-
-#endif /* __ASM_ALPHA_FLOPPY_H */