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Diffstat (limited to 'include/asm-m68k/floppy.h')
-rw-r--r--include/asm-m68k/floppy.h254
1 files changed, 0 insertions, 254 deletions
diff --git a/include/asm-m68k/floppy.h b/include/asm-m68k/floppy.h
deleted file mode 100644
index 697d503..0000000
--- a/include/asm-m68k/floppy.h
+++ /dev/null
@@ -1,254 +0,0 @@
-/*
- * Implementation independent bits of the Floppy driver.
- *
- * much of this file is derived from what was originally the Q40 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) 1999, 2000, 2001
- *
- * Sun3x support added 2/4/2000 Sam Creasey (sammy@sammy.net)
- *
- */
-
-#include <asm/io.h>
-
-#include <linux/vmalloc.h>
-
-asmlinkage irqreturn_t floppy_hardint(int irq, void *dev_id);
-
-/* constants... */
-
-#undef MAX_DMA_ADDRESS
-#define MAX_DMA_ADDRESS 0x00 /* nothing like that */
-
-
-/*
- * Again, the CMOS information doesn't work on m68k..
- */
-#define FLOPPY0_TYPE (MACH_IS_Q40 ? 6 : 4)
-#define FLOPPY1_TYPE 0
-
-/* basically PC init + set use_virtual_dma */
-#define FDC1 m68k_floppy_init()
-
-#define N_FDC 1
-#define N_DRIVE 8
-
-
-/* vdma globals adapted from asm-i386/floppy.h */
-
-static int virtual_dma_count=0;
-static int virtual_dma_residue=0;
-static char *virtual_dma_addr=NULL;
-static int virtual_dma_mode=0;
-static int doing_pdma=0;
-
-#include <asm/sun3xflop.h>
-
-extern spinlock_t dma_spin_lock;
-
-static __inline__ unsigned long claim_dma_lock(void)
-{
- unsigned long flags;
- spin_lock_irqsave(&dma_spin_lock, flags);
- return flags;
-}
-
-static __inline__ void release_dma_lock(unsigned long flags)
-{
- spin_unlock_irqrestore(&dma_spin_lock, flags);
-}
-
-
-static __inline__ unsigned char fd_inb(int port)
-{
- if(MACH_IS_Q40)
- return inb_p(port);
- else if(MACH_IS_SUN3X)
- return sun3x_82072_fd_inb(port);
- return 0;
-}
-
-static __inline__ void fd_outb(unsigned char value, int port)
-{
- if(MACH_IS_Q40)
- outb_p(value, port);
- else if(MACH_IS_SUN3X)
- sun3x_82072_fd_outb(value, port);
-}
-
-
-static int fd_request_irq(void)
-{
- if(MACH_IS_Q40)
- return request_irq(FLOPPY_IRQ, floppy_hardint,
- IRQF_DISABLED, "floppy", floppy_hardint);
- else if(MACH_IS_SUN3X)
- return sun3xflop_request_irq();
- return -ENXIO;
-}
-
-static void fd_free_irq(void)
-{
- if(MACH_IS_Q40)
- free_irq(FLOPPY_IRQ, floppy_hardint);
-}
-
-#define fd_request_dma() vdma_request_dma(FLOPPY_DMA,"floppy")
-#define fd_get_dma_residue() vdma_get_dma_residue(FLOPPY_DMA)
-#define fd_dma_mem_alloc(size) vdma_mem_alloc(size)
-#define fd_dma_setup(addr, size, mode, io) vdma_dma_setup(addr, size, mode, io)
-
-#define fd_enable_irq() /* nothing... */
-#define fd_disable_irq() /* nothing... */
-
-#define fd_free_dma() /* nothing */
-
-/* No 64k boundary crossing problems on Q40 - no DMA at all */
-#define CROSS_64KB(a,s) (0)
-
-#define DMA_MODE_READ 0x44 /* i386 look-alike */
-#define DMA_MODE_WRITE 0x48
-
-
-static int m68k_floppy_init(void)
-{
- use_virtual_dma =1;
- can_use_virtual_dma = 1;
-
-
- if (MACH_IS_Q40)
- return 0x3f0;
- else if(MACH_IS_SUN3X)
- return sun3xflop_init();
- else
- return -1;
-}
-
-
-static int vdma_request_dma(unsigned int dmanr, const char * device_id)
-{
- return 0;
-}
-
-
-static int vdma_get_dma_residue(unsigned int dummy)
-{
- return virtual_dma_count + virtual_dma_residue;
-}
-
-
-static unsigned long vdma_mem_alloc(unsigned long size)
-{
- return (unsigned long) vmalloc(size);
-
-}
-
-static void _fd_dma_mem_free(unsigned long addr, unsigned long size)
-{
- vfree((void *)addr);
-}
-#define fd_dma_mem_free(addr,size) _fd_dma_mem_free(addr, size)
-
-
-/* choose_dma_mode ???*/
-
-static int vdma_dma_setup(char *addr, unsigned long size, int mode, int io)
-{
- doing_pdma = 1;
- virtual_dma_port = (MACH_IS_Q40 ? io : 0);
- virtual_dma_mode = (mode == DMA_MODE_WRITE);
- virtual_dma_addr = addr;
- virtual_dma_count = size;
- virtual_dma_residue = 0;
- return 0;
-}
-
-
-
-static void fd_disable_dma(void)
-{
- doing_pdma = 0;
- virtual_dma_residue += virtual_dma_count;
- virtual_dma_count=0;
-}
-
-
-
-/* this is the only truly Q40 specific function */
-
-asmlinkage irqreturn_t floppy_hardint(int irq, void *dev_id)
-{
- register unsigned char st;
-
-#undef TRACE_FLPY_INT
-#define NO_FLOPPY_ASSEMBLER
-
-#ifdef TRACE_FLPY_INT
- static int calls=0;
- static int bytes=0;
- static int dma_wait=0;
-#endif
- if(!doing_pdma) {
- floppy_interrupt(irq, dev_id);
- return IRQ_HANDLED;
- }
-
-#ifdef TRACE_FLPY_INT
- if(!calls)
- bytes = virtual_dma_count;
-#endif
-
- {
- register int lcount;
- register char *lptr;
-
- /* serve 1st byte fast: */
-
- st=1;
- for(lcount=virtual_dma_count, lptr=virtual_dma_addr;
- lcount; lcount--, lptr++) {
- st=inb(virtual_dma_port+4) & 0xa0 ;
- if(st != 0xa0)
- break;
- if(virtual_dma_mode)
- outb_p(*lptr, virtual_dma_port+5);
- else
- *lptr = inb_p(virtual_dma_port+5);
- }
-
- virtual_dma_count = lcount;
- virtual_dma_addr = lptr;
- st = inb(virtual_dma_port+4);
- }
-
-#ifdef TRACE_FLPY_INT
- calls++;
-#endif
- if(st == 0x20)
- return IRQ_HANDLED;
- if(!(st & 0x20)) {
- virtual_dma_residue += virtual_dma_count;
- virtual_dma_count=0;
-#ifdef TRACE_FLPY_INT
- printk("count=%x, residue=%x calls=%d bytes=%d dma_wait=%d\n",
- virtual_dma_count, virtual_dma_residue, calls, bytes,
- dma_wait);
- calls = 0;
- dma_wait=0;
-#endif
- doing_pdma = 0;
- floppy_interrupt(irq, dev_id);
- return IRQ_HANDLED;
- }
-#ifdef TRACE_FLPY_INT
- if(!virtual_dma_count)
- dma_wait++;
-#endif
- return IRQ_HANDLED;
-}
-
-#define EXTRA_FLOPPY_PARAMS