floppy.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:2k
- /*
- * BK Id: SCCS/s.floppy.h 1.5 05/17/01 18:14:24 cort
- */
- /*
- * 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
- */
- #ifdef __KERNEL__
- #ifndef __ASM_PPC_FLOPPY_H
- #define __ASM_PPC_FLOPPY_H
- #define fd_inb(port) inb_p(port)
- #define fd_outb(port,value) outb_p(port,value)
- #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,(unsigned int)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,
- SA_INTERRUPT|SA_SAMPLE_RANDOM,
- "floppy", NULL)
- #define fd_free_irq() free_irq(FLOPPY_IRQ, NULL);
- __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)
- #endif /* __ASM_PPC_FLOPPY_H */
- #define EXTRA_FLOPPY_PARAMS
- #endif /* __KERNEL__ */