/* asm-sparc/floppy.h: Sparc specific parts of the Floppy driver.
*
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1995 David S. Miller (davem@davemloft.net)
*/
#ifndef __ASM_SPARC_FLOPPY_H
/* You'll only ever find one controller on a SparcStation anyways. */
static struct sun_flpy_controller *sun_fdc = NULL;
-volatile unsigned char *fdc_status;
+extern volatile unsigned char *fdc_status;
struct sun_floppy_ops {
unsigned char (*fd_inb)(int port);
#define fd_dma_mem_free(addr,size) (vfree((void *)(addr)))
#endif
-#define FLOPPY_MOTOR_MASK 0x10
-
/* XXX This isn't really correct. XXX */
#define get_dma_residue(x) (0)
* underruns. If non-zero, doing_pdma encodes the direction of
* the transfer for debugging. 1=read 2=write
*/
-char *pdma_vaddr;
-unsigned long pdma_size;
-volatile int doing_pdma = 0;
+extern char *pdma_vaddr;
+extern unsigned long pdma_size;
+extern volatile int doing_pdma;
/* This is software state */
-char *pdma_base = NULL;
-unsigned long pdma_areasize;
+extern char *pdma_base;
+extern unsigned long pdma_areasize;
/* Common routines to all controller types on the Sparc. */
-static __inline__ void virtual_dma_init(void)
+static inline void virtual_dma_init(void)
{
/* nothing... */
}
-static __inline__ void sun_fd_disable_dma(void)
+static inline void sun_fd_disable_dma(void)
{
doing_pdma = 0;
if (pdma_base) {
}
}
-static __inline__ void sun_fd_set_dma_mode(int mode)
+static inline void sun_fd_set_dma_mode(int mode)
{
switch(mode) {
case DMA_MODE_READ:
}
}
-static __inline__ void sun_fd_set_dma_addr(char *buffer)
+static inline void sun_fd_set_dma_addr(char *buffer)
{
pdma_vaddr = buffer;
}
-static __inline__ void sun_fd_set_dma_count(int length)
+static inline void sun_fd_set_dma_count(int length)
{
pdma_size = length;
}
-static __inline__ void sun_fd_enable_dma(void)
+static inline void sun_fd_enable_dma(void)
{
pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size);
pdma_base = pdma_vaddr;
}
/* Our low-level entry point in arch/sparc/kernel/entry.S */
-irqreturn_t floppy_hardint(int irq, void *unused);
+extern int sparc_floppy_request_irq(int irq, unsigned long flags,
+ irqreturn_t (*irq_handler)(int irq, void *));
static int sun_fd_request_irq(void)
{
if(!once) {
once = 1;
- error = request_fast_irq(FLOPPY_IRQ, floppy_hardint,
- IRQF_DISABLED, "floppy");
+ error = sparc_floppy_request_irq(FLOPPY_IRQ,
+ IRQF_DISABLED,
+ floppy_interrupt);
return ((error == 0) ? 0 : -1);
} else return 0;
}