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Diffstat (limited to 'include/asm-alpha/floppy.h')
| -rw-r--r-- | include/asm-alpha/floppy.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/include/asm-alpha/floppy.h b/include/asm-alpha/floppy.h deleted file mode 100644 index 0be50413b2b..00000000000 --- a/include/asm-alpha/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 */ |