#ifndef __ASM_SPARC64_FLOPPY_H
#define __ASM_SPARC64_FLOPPY_H
-#include <linux/config.h>
#include <linux/init.h>
#include <asm/page.h>
* underruns. If non-zero, doing_pdma encodes the direction of
* the transfer for debugging. 1=read 2=write
*/
-char *pdma_vaddr;
+unsigned char *pdma_vaddr;
unsigned long pdma_size;
volatile int doing_pdma = 0;
/* This is software state */
-char *pdma_base = 0;
+char *pdma_base = NULL;
unsigned long pdma_areasize;
/* Common routines to all controller types on the Sparc. */
doing_pdma = 0;
if (pdma_base) {
mmu_unlockarea(pdma_base, pdma_areasize);
- pdma_base = 0;
+ pdma_base = NULL;
}
}
pdma_areasize = pdma_size;
}
-/* Our low-level entry point in arch/sparc/kernel/entry.S */
-extern irqreturn_t floppy_hardint(int irq, void *unused, struct pt_regs *regs);
+irqreturn_t sparc_floppy_irq(int irq, void *dev_cookie)
+{
+ if (likely(doing_pdma)) {
+ void __iomem *stat = (void __iomem *) fdc_status;
+ unsigned char *vaddr = pdma_vaddr;
+ unsigned long size = pdma_size;
+ u8 val;
+
+ while (size) {
+ val = readb(stat);
+ if (unlikely(!(val & 0x80))) {
+ pdma_vaddr = vaddr;
+ pdma_size = size;
+ return IRQ_HANDLED;
+ }
+ if (unlikely(!(val & 0x20))) {
+ pdma_vaddr = vaddr;
+ pdma_size = size;
+ doing_pdma = 0;
+ goto main_interrupt;
+ }
+ if (val & 0x40) {
+ /* read */
+ *vaddr++ = readb(stat + 1);
+ } else {
+ unsigned char data = *vaddr++;
+
+ /* write */
+ writeb(data, stat + 1);
+ }
+ size--;
+ }
+
+ pdma_vaddr = vaddr;
+ pdma_size = size;
+
+ /* Send Terminal Count pulse to floppy controller. */
+ val = readb(auxio_register);
+ val |= AUXIO_AUX1_FTCNT;
+ writeb(val, auxio_register);
+ val &= ~AUXIO_AUX1_FTCNT;
+ writeb(val, auxio_register);
+
+ doing_pdma = 0;
+ }
+
+main_interrupt:
+ return floppy_interrupt(irq, dev_cookie);
+}
static int sun_fd_request_irq(void)
{
if(!once) {
once = 1;
- error = request_fast_irq(FLOPPY_IRQ, floppy_hardint,
- SA_INTERRUPT, "floppy", NULL);
+ error = request_irq(FLOPPY_IRQ, sparc_floppy_irq,
+ IRQF_DISABLED, "floppy", NULL);
return ((error == 0) ? 0 : -1);
}
static struct sun_pci_dma_op sun_pci_dma_current = { -1U, 0, 0, NULL};
static struct sun_pci_dma_op sun_pci_dma_pending = { -1U, 0, 0, NULL};
-extern irqreturn_t floppy_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+extern irqreturn_t floppy_interrupt(int irq, void *dev_id);
static unsigned char sun_pci_fd_inb(unsigned long port)
{
void sun_pci_fd_dma_callback(struct ebus_dma_info *p, int event, void *cookie)
{
- floppy_interrupt(0, NULL, NULL);
+ floppy_interrupt(0, NULL);
}
/*
#ifdef CONFIG_PCI
static int __init ebus_fdthree_p(struct linux_ebus_device *edev)
{
- if (!strcmp(edev->prom_name, "fdthree"))
+ if (!strcmp(edev->prom_node->name, "fdthree"))
return 1;
- if (!strcmp(edev->prom_name, "floppy")) {
- char compat[16];
- prom_getstring(edev->prom_node,
- "compatible",
- compat, sizeof(compat));
- compat[15] = '\0';
- if (!strcmp(compat, "fdthree"))
+ if (!strcmp(edev->prom_node->name, "floppy")) {
+ char *compat;
+
+ compat = of_get_property(edev->prom_node,
+ "compatible", NULL);
+ if (compat && !strcmp(compat, "fdthree"))
return 1;
}
return 0;
for_each_isa(isa_br) {
for_each_isadev(isa_dev, isa_br) {
- if (!strcmp(isa_dev->prom_name, "dma")) {
+ if (!strcmp(isa_dev->prom_node->name, "dma")) {
struct sparc_isa_device *child =
isa_dev->child;
while (child) {
- if (!strcmp(child->prom_name,
+ if (!strcmp(child->prom_node->name,
"floppy")) {
isa_dev = child;
goto isa_done;
} else {
#ifdef CONFIG_PCI
struct linux_ebus *ebus;
- struct linux_ebus_device *edev = 0;
+ struct linux_ebus_device *edev = NULL;
unsigned long config = 0;
- unsigned long auxio_reg;
+ void __iomem *auxio_reg;
+ char *state_prop;
for_each_ebus(ebus) {
for_each_ebusdev(edev, ebus) {
#endif
}
- prom_getproperty(edev->prom_node, "status",
- state, sizeof(state));
- if (!strncmp(state, "disabled", 8))
+ state_prop = of_get_property(edev->prom_node, "status", NULL);
+ if (state_prop && !strncmp(state_prop, "disabled", 8))
return 0;
FLOPPY_IRQ = edev->irqs[0];
/* Make sure the high density bit is set, some systems
* (most notably Ultra5/Ultra10) come up with it clear.
*/
- auxio_reg = edev->resource[2].start;
+ auxio_reg = (void __iomem *) edev->resource[2].start;
writel(readl(auxio_reg)|0x2, auxio_reg);
sun_pci_ebus_dev = ebus->self;
spin_lock_init(&sun_pci_fd_ebus_dma.lock);
/* XXX ioremap */
- sun_pci_fd_ebus_dma.regs = edev->resource[1].start;
+ sun_pci_fd_ebus_dma.regs = (void __iomem *)
+ edev->resource[1].start;
if (!sun_pci_fd_ebus_dma.regs)
return 0;
*/
for_each_ebus(ebus) {
for_each_ebusdev(edev, ebus) {
- if (!strcmp(edev->prom_name, "ecpp")) {
+ if (!strcmp(edev->prom_node->name, "ecpp")) {
config = edev->resource[1].start;
goto config_done;
}
if (!sun_floppy_types[0] && sun_floppy_types[1]) {
/*
* Set the drive exchange bit in FCR on NS87303,
- * make shure other bits are sane before doing so.
+ * make sure other bits are sane before doing so.
*/
ns87303_modify(config, FER, FER_EDM, 0);
ns87303_modify(config, ASC, ASC_DRV2_SEL, 0);