/* * 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_POWERPC_FLOPPY_H#define __ASM_POWERPC_FLOPPY_H#ifdef __KERNEL__ #include <asm/machdep.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_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, \					    SA_INTERRUPT|SA_SAMPLE_RANDOM, \				            "floppy", NULL)#define fd_free_irq()           free_irq(FLOPPY_IRQ, NULL); #ifdef CONFIG_PCI #include <linux/pci.h>#include <asm/ppc-pci.h>	/* for ppc64_isabridge_dev */ #define fd_dma_setup(addr,size,mode,io) powerpc_fd_dma_setup(addr,size,mode,io) static __inline__ int powerpc_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(ppc64_isabridge_dev, bus_addr, prev_size, prev_dir);		bus_addr = 0;	} 	if (!bus_addr)	/* need to map it */		bus_addr = pci_map_single(ppc64_isabridge_dev, 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 PowerPC */} static int FDC1 = 0x3f0;static int FDC2 = -1; /* * Again, the CMOS information not available */#define FLOPPY0_TYPE 6#define FLOPPY1_TYPE 0 #define N_FDC 2			/* Don't change this! */#define N_DRIVE 8 #define FLOPPY_MOTOR_MASK 0xf0 /* * The PowerPC has no problems with floppy DMA crossing 64k borders. */#define CROSS_64KB(a,s)	(0) #define EXTRA_FLOPPY_PARAMS #endif /* __KERNEL__ */#endif /* __ASM_POWERPC_FLOPPY_H */