diff options
Diffstat (limited to 'include/asm-arm/floppy.h')
| -rw-r--r-- | include/asm-arm/floppy.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/include/asm-arm/floppy.h b/include/asm-arm/floppy.h deleted file mode 100644 index 41a5e9d..0000000 --- a/include/asm-arm/floppy.h +++ /dev/null @@ -1,148 +0,0 @@ -/* - * linux/include/asm-arm/floppy.h - * - * Copyright (C) 1996-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Note that we don't touch FLOPPY_DMA nor FLOPPY_IRQ here - */ -#ifndef __ASM_ARM_FLOPPY_H -#define __ASM_ARM_FLOPPY_H -#if 0 -#include <asm/arch/floppy.h> -#endif - -#define fd_outb(val,port) \ - do { \ - if ((port) == FD_DOR) \ - fd_setdor((val)); \ - else \ - outb((val),(port)); \ - } while(0) - -#define fd_inb(port) inb((port)) -#define fd_request_irq() request_irq(IRQ_FLOPPYDISK,floppy_interrupt,\ - IRQF_DISABLED,"floppy",NULL) -#define fd_free_irq() free_irq(IRQ_FLOPPYDISK,NULL) -#define fd_disable_irq() disable_irq(IRQ_FLOPPYDISK) -#define fd_enable_irq() enable_irq(IRQ_FLOPPYDISK) - -static inline int fd_dma_setup(void *data, unsigned int length, - unsigned int mode, unsigned long addr) -{ - set_dma_mode(DMA_FLOPPY, mode); - __set_dma_addr(DMA_FLOPPY, data); - set_dma_count(DMA_FLOPPY, length); - virtual_dma_port = addr; - enable_dma(DMA_FLOPPY); - return 0; -} -#define fd_dma_setup fd_dma_setup - -#define fd_request_dma() request_dma(DMA_FLOPPY,"floppy") -#define fd_free_dma() free_dma(DMA_FLOPPY) -#define fd_disable_dma() disable_dma(DMA_FLOPPY) - -/* need to clean up dma.h */ -#define DMA_FLOPPYDISK DMA_FLOPPY - -/* Floppy_selects is the list of DOR's to select drive fd - * - * On initialisation, the floppy list is scanned, and the drives allocated - * in the order that they are found. This is done by seeking the drive - * to a non-zero track, and then restoring it to track 0. If an error occurs, - * then there is no floppy drive present. [to be put back in again] - */ -static unsigned char floppy_selects[2][4] = -{ - { 0x10, 0x21, 0x23, 0x33 }, - { 0x10, 0x21, 0x23, 0x33 } -}; - -#define fd_setdor(dor) \ -do { \ - int new_dor = (dor); \ - if (new_dor & 0xf0) \ - new_dor = (new_dor & 0x0c) | floppy_selects[fdc][new_dor & 3]; \ - else \ - new_dor &= 0x0c; \ - outb(new_dor, FD_DOR); \ -} while (0) - -/* - * Someday, we'll automatically detect which drives are present... - */ -static inline void fd_scandrives (void) -{ -#if 0 - int floppy, drive_count; - - fd_disable_irq(); - raw_cmd = &default_raw_cmd; - raw_cmd->flags = FD_RAW_SPIN | FD_RAW_NEED_SEEK; - raw_cmd->track = 0; - raw_cmd->rate = ?; - drive_count = 0; - for (floppy = 0; floppy < 4; floppy ++) { - current_drive = drive_count; - /* - * Turn on floppy motor - */ - if (start_motor(redo_fd_request)) - continue; - /* - * Set up FDC - */ - fdc_specify(); - /* - * Tell FDC to recalibrate - */ - output_byte(FD_RECALIBRATE); - LAST_OUT(UNIT(floppy)); - /* wait for command to complete */ - if (!successful) { - int i; - for (i = drive_count; i < 3; i--) - floppy_selects[fdc][i] = floppy_selects[fdc][i + 1]; - floppy_selects[fdc][3] = 0; - floppy -= 1; - } else - drive_count++; - } -#else - floppy_selects[0][0] = 0x10; - floppy_selects[0][1] = 0x21; - floppy_selects[0][2] = 0x23; - floppy_selects[0][3] = 0x33; -#endif -} - -#define FDC1 (0x3f0) - -#define FLOPPY0_TYPE 4 -#define FLOPPY1_TYPE 4 - -#define N_FDC 1 -#define N_DRIVE 4 - -#define CROSS_64KB(a,s) (0) - -/* - * This allows people to reverse the order of - * fd0 and fd1, in case their hardware is - * strangely connected (as some RiscPCs - * and A5000s seem to be). - */ -static void driveswap(int *ints, int dummy, int dummy2) -{ - floppy_selects[0][0] ^= floppy_selects[0][1]; - floppy_selects[0][1] ^= floppy_selects[0][0]; - floppy_selects[0][0] ^= floppy_selects[0][1]; -} - -#define EXTRA_FLOPPY_PARAMS ,{ "driveswap", &driveswap, NULL, 0, 0 } - -#endif |