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Diffstat (limited to 'arch/sparc/include/asm/floppy_64.h')
-rw-r--r--arch/sparc/include/asm/floppy_64.h90
1 files changed, 46 insertions, 44 deletions
diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h
index e204f902e6c9..d1bb0f13352c 100644
--- a/arch/sparc/include/asm/floppy_64.h
+++ b/arch/sparc/include/asm/floppy_64.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* floppy.h: Sparc specific parts of the Floppy driver.
*
* Copyright (C) 1996, 2007, 2008 David S. Miller (davem@davemloft.net)
@@ -10,8 +11,9 @@
#define __ASM_SPARC64_FLOPPY_H
#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/of_platform.h>
#include <linux/dma-mapping.h>
+#include <linux/string.h>
#include <asm/auxio.h>
@@ -46,8 +48,9 @@ unsigned long fdc_status;
static struct platform_device *floppy_op = NULL;
struct sun_floppy_ops {
- unsigned char (*fd_inb) (unsigned long port);
- void (*fd_outb) (unsigned char value, unsigned long port);
+ unsigned char (*fd_inb) (unsigned long port, unsigned int reg);
+ void (*fd_outb) (unsigned char value, unsigned long base,
+ unsigned int reg);
void (*fd_enable_dma) (void);
void (*fd_disable_dma) (void);
void (*fd_set_dma_mode) (int);
@@ -61,8 +64,8 @@ struct sun_floppy_ops {
static struct sun_floppy_ops sun_fdops;
-#define fd_inb(port) sun_fdops.fd_inb(port)
-#define fd_outb(value,port) sun_fdops.fd_outb(value,port)
+#define fd_inb(base, reg) sun_fdops.fd_inb(base, reg)
+#define fd_outb(value, base, reg) sun_fdops.fd_outb(value, base, reg)
#define fd_enable_dma() sun_fdops.fd_enable_dma()
#define fd_disable_dma() sun_fdops.fd_disable_dma()
#define fd_request_dma() (0) /* nothing... */
@@ -72,7 +75,6 @@ static struct sun_floppy_ops sun_fdops;
#define fd_set_dma_addr(addr) sun_fdops.fd_set_dma_addr(addr)
#define fd_set_dma_count(count) sun_fdops.fd_set_dma_count(count)
#define get_dma_residue(x) sun_fdops.get_dma_residue()
-#define fd_cacheflush(addr, size) /* nothing... */
#define fd_request_irq() sun_fdops.fd_request_irq()
#define fd_free_irq() sun_fdops.fd_free_irq()
#define fd_eject(drive) sun_fdops.fd_eject(drive)
@@ -94,45 +96,43 @@ static int sun_floppy_types[2] = { 0, 0 };
#define N_FDC 1
#define N_DRIVE 8
-/* No 64k boundary crossing problems on the Sparc. */
-#define CROSS_64KB(a,s) (0)
-
-static unsigned char sun_82077_fd_inb(unsigned long port)
+static unsigned char sun_82077_fd_inb(unsigned long base, unsigned int reg)
{
udelay(5);
- switch(port & 7) {
+ switch (reg) {
default:
- printk("floppy: Asked to read unknown port %lx\n", port);
+ printk("floppy: Asked to read unknown port %x\n", reg);
panic("floppy: Port bolixed.");
- case 4: /* FD_STATUS */
+ case FD_STATUS:
return sbus_readb(&sun_fdc->status_82077) & ~STATUS_DMA;
- case 5: /* FD_DATA */
+ case FD_DATA:
return sbus_readb(&sun_fdc->data_82077);
- case 7: /* FD_DIR */
+ case FD_DIR:
/* XXX: Is DCL on 0x80 in sun4m? */
return sbus_readb(&sun_fdc->dir_82077);
}
panic("sun_82072_fd_inb: How did I get here?");
}
-static void sun_82077_fd_outb(unsigned char value, unsigned long port)
+static void sun_82077_fd_outb(unsigned char value, unsigned long base,
+ unsigned int reg)
{
udelay(5);
- switch(port & 7) {
+ switch (reg) {
default:
- printk("floppy: Asked to write to unknown port %lx\n", port);
+ printk("floppy: Asked to write to unknown port %x\n", reg);
panic("floppy: Port bolixed.");
- case 2: /* FD_DOR */
+ case FD_DOR:
/* Happily, the 82077 has a real DOR register. */
sbus_writeb(value, &sun_fdc->dor_82077);
break;
- case 5: /* FD_DATA */
+ case FD_DATA:
sbus_writeb(value, &sun_fdc->data_82077);
break;
- case 7: /* FD_DCR */
+ case FD_DCR:
sbus_writeb(value, &sun_fdc->dcr_82077);
break;
- case 4: /* FD_STATUS */
+ case FD_DSR:
sbus_writeb(value, &sun_fdc->status_82077);
break;
}
@@ -195,7 +195,7 @@ static void sun_fd_enable_dma(void)
pdma_areasize = pdma_size;
}
-irqreturn_t sparc_floppy_irq(int irq, void *dev_cookie)
+static irqreturn_t sparc_floppy_irq(int irq, void *dev_cookie)
{
if (likely(doing_pdma)) {
void __iomem *stat = (void __iomem *) fdc_status;
@@ -254,7 +254,7 @@ static int sun_fd_request_irq(void)
once = 1;
error = request_irq(FLOPPY_IRQ, sparc_floppy_irq,
- IRQF_DISABLED, "floppy", NULL);
+ 0, "floppy", NULL);
return ((error == 0) ? 0 : -1);
}
@@ -296,21 +296,23 @@ struct sun_pci_dma_op {
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);
+irqreturn_t floppy_interrupt(int irq, void *dev_id);
-static unsigned char sun_pci_fd_inb(unsigned long port)
+static unsigned char sun_pci_fd_inb(unsigned long base, unsigned int reg)
{
udelay(5);
- return inb(port);
+ return inb(base + reg);
}
-static void sun_pci_fd_outb(unsigned char val, unsigned long port)
+static void sun_pci_fd_outb(unsigned char val, unsigned long base,
+ unsigned int reg)
{
udelay(5);
- outb(val, port);
+ outb(val, base + reg);
}
-static void sun_pci_fd_broken_outb(unsigned char val, unsigned long port)
+static void sun_pci_fd_broken_outb(unsigned char val, unsigned long base,
+ unsigned int reg)
{
udelay(5);
/*
@@ -320,16 +322,17 @@ static void sun_pci_fd_broken_outb(unsigned char val, unsigned long port)
* this does not hurt correct hardware like the AXmp.
* (Eddie, Sep 12 1998).
*/
- if (port == ((unsigned long)sun_fdc) + 2) {
+ if (reg == FD_DOR) {
if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x20)) {
val |= 0x10;
}
}
- outb(val, port);
+ outb(val, base + reg);
}
#ifdef PCI_FDC_SWAP_DRIVES
-static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long port)
+static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long base,
+ unsigned int reg)
{
udelay(5);
/*
@@ -339,13 +342,13 @@ static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long port)
* this does not hurt correct hardware like the AXmp.
* (Eddie, Sep 12 1998).
*/
- if (port == ((unsigned long)sun_fdc) + 2) {
+ if (reg == FD_DOR) {
if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x10)) {
val &= ~(0x03);
val |= 0x21;
}
}
- outb(val, port);
+ outb(val, base + reg);
}
#endif /* PCI_FDC_SWAP_DRIVES */
@@ -429,7 +432,8 @@ static int sun_pci_fd_eject(int drive)
return -EINVAL;
}
-void sun_pci_fd_dma_callback(struct ebus_dma_info *p, int event, void *cookie)
+static void sun_pci_fd_dma_callback(struct ebus_dma_info *p, int event,
+ void *cookie)
{
floppy_interrupt(0, NULL);
}
@@ -528,9 +532,9 @@ static int sun_pci_fd_test_drive(unsigned long port, int drive)
static int __init ebus_fdthree_p(struct device_node *dp)
{
- if (!strcmp(dp->name, "fdthree"))
+ if (of_node_name_eq(dp, "fdthree"))
return 1;
- if (!strcmp(dp->name, "floppy")) {
+ if (of_node_name_eq(dp, "floppy")) {
const char *compat;
compat = of_get_property(dp, "compatible", NULL);
@@ -555,7 +559,7 @@ static unsigned long __init sun_floppy_init(void)
op = NULL;
for_each_node_by_name(dp, "SUNW,fdtwo") {
- if (strcmp(dp->parent->name, "sbus"))
+ if (!of_node_name_eq(dp->parent, "sbus"))
continue;
op = of_find_device_by_node(dp);
if (op)
@@ -612,7 +616,7 @@ static unsigned long __init sun_floppy_init(void)
sun_pci_fd_ebus_dma.callback = sun_pci_fd_dma_callback;
sun_pci_fd_ebus_dma.client_cookie = NULL;
sun_pci_fd_ebus_dma.irq = FLOPPY_IRQ;
- strcpy(sun_pci_fd_ebus_dma.name, "floppy");
+ strscpy(sun_pci_fd_ebus_dma.name, "floppy");
if (ebus_dma_register(&sun_pci_fd_ebus_dma))
return 0;
@@ -656,7 +660,7 @@ static unsigned long __init sun_floppy_init(void)
*/
config = 0;
for (dp = ebus_dp->child; dp; dp = dp->sibling) {
- if (!strcmp(dp->name, "ecpp")) {
+ if (of_node_name_eq(dp, "ecpp")) {
struct platform_device *ecpp_op;
ecpp_op = of_find_device_by_node(dp);
@@ -699,9 +703,7 @@ static unsigned long __init sun_floppy_init(void)
ns87303_modify(config, ASC, ASC_DRV2_SEL, 0);
ns87303_modify(config, FCR, 0, FCR_LDE);
- config = sun_floppy_types[0];
- sun_floppy_types[0] = sun_floppy_types[1];
- sun_floppy_types[1] = config;
+ swap(sun_floppy_types[0], sun_floppy_types[1]);
if (sun_pci_broken_drive != -1) {
sun_pci_broken_drive = 1 - sun_pci_broken_drive;
generated by cgit (git 2.34.1) at 2025-12-25 15:27:37 +0000