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Diffstat (limited to 'arch/sparc/include/asm/floppy_32.h')
-rw-r--r--arch/sparc/include/asm/floppy_32.h73
1 files changed, 31 insertions, 42 deletions
diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h
index fb3f16954c69..7251d1fed7a4 100644
--- a/arch/sparc/include/asm/floppy_32.h
+++ b/arch/sparc/include/asm/floppy_32.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/* asm/floppy.h: Sparc specific parts of the Floppy driver.
*
* Copyright (C) 1995 David S. Miller (davem@davemloft.net)
@@ -7,13 +8,14 @@
#define __ASM_SPARC_FLOPPY_H
#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/of_platform.h>
+#include <linux/pgtable.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
#include <asm/idprom.h>
#include <asm/oplib.h>
#include <asm/auxio.h>
+#include <asm/setup.h>
+#include <asm/page.h>
#include <asm/irq.h>
/* We don't need no stinkin' I/O port allocation crap. */
@@ -49,7 +51,6 @@ struct sun_flpy_controller {
/* You'll only ever find one controller on a SparcStation anyways. */
static struct sun_flpy_controller *sun_fdc = NULL;
-extern volatile unsigned char *fdc_status;
struct sun_floppy_ops {
unsigned char (*fd_inb)(int port);
@@ -58,8 +59,8 @@ 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(reg)
+#define fd_outb(value, base, reg) sun_fdops.fd_outb(value, reg)
#define fd_enable_dma() sun_fd_enable_dma()
#define fd_disable_dma() sun_fd_disable_dma()
#define fd_request_dma() (0) /* nothing... */
@@ -70,7 +71,6 @@ static struct sun_floppy_ops sun_fdops;
#define fd_set_dma_count(count) sun_fd_set_dma_count(count)
#define fd_enable_irq() /* nothing... */
#define fd_disable_irq() /* nothing... */
-#define fd_cacheflush(addr, size) /* nothing... */
#define fd_request_irq() sun_fd_request_irq()
#define fd_free_irq() /* nothing... */
#if 0 /* P3: added by Alain, these cause a MMU corruption. 19960524 XXX */
@@ -96,9 +96,6 @@ static struct sun_floppy_ops sun_fdops;
#define N_FDC 1
#define N_DRIVE 8
-/* No 64k boundary crossing problems on the Sparc. */
-#define CROSS_64KB(a,s) (0)
-
/* Routines unique to each controller type on a Sun. */
static void sun_set_dor(unsigned char value, int fdc_82077)
{
@@ -114,15 +111,15 @@ static unsigned char sun_read_dir(void)
static unsigned char sun_82072_fd_inb(int port)
{
udelay(5);
- switch(port & 7) {
+ switch (port) {
default:
printk("floppy: Asked to read unknown port %d\n", port);
panic("floppy: Port bolixed.");
- case 4: /* FD_STATUS */
+ case FD_STATUS:
return sun_fdc->status_82072 & ~STATUS_DMA;
- case 5: /* FD_DATA */
+ case FD_DATA:
return sun_fdc->data_82072;
- case 7: /* FD_DIR */
+ case FD_DIR:
return sun_read_dir();
}
panic("sun_82072_fd_inb: How did I get here?");
@@ -131,20 +128,20 @@ static unsigned char sun_82072_fd_inb(int port)
static void sun_82072_fd_outb(unsigned char value, int port)
{
udelay(5);
- switch(port & 7) {
+ switch (port) {
default:
printk("floppy: Asked to write to unknown port %d\n", port);
panic("floppy: Port bolixed.");
- case 2: /* FD_DOR */
+ case FD_DOR:
sun_set_dor(value, 0);
break;
- case 5: /* FD_DATA */
+ case FD_DATA:
sun_fdc->data_82072 = value;
break;
- case 7: /* FD_DCR */
+ case FD_DCR:
sun_fdc->dcr_82072 = value;
break;
- case 4: /* FD_STATUS */
+ case FD_DSR:
sun_fdc->status_82072 = value;
break;
}
@@ -154,23 +151,23 @@ static void sun_82072_fd_outb(unsigned char value, int port)
static unsigned char sun_82077_fd_inb(int port)
{
udelay(5);
- switch(port & 7) {
+ switch (port) {
default:
printk("floppy: Asked to read unknown port %d\n", port);
panic("floppy: Port bolixed.");
- case 0: /* FD_STATUS_0 */
+ case FD_SRA:
return sun_fdc->status1_82077;
- case 1: /* FD_STATUS_1 */
+ case FD_SRB:
return sun_fdc->status2_82077;
- case 2: /* FD_DOR */
+ case FD_DOR:
return sun_fdc->dor_82077;
- case 3: /* FD_TDR */
+ case FD_TDR:
return sun_fdc->tapectl_82077;
- case 4: /* FD_STATUS */
+ case FD_STATUS:
return sun_fdc->status_82077 & ~STATUS_DMA;
- case 5: /* FD_DATA */
+ case FD_DATA:
return sun_fdc->data_82077;
- case 7: /* FD_DIR */
+ case FD_DIR:
return sun_read_dir();
}
panic("sun_82077_fd_inb: How did I get here?");
@@ -179,23 +176,23 @@ static unsigned char sun_82077_fd_inb(int port)
static void sun_82077_fd_outb(unsigned char value, int port)
{
udelay(5);
- switch(port & 7) {
+ switch (port) {
default:
printk("floppy: Asked to write to unknown port %d\n", port);
panic("floppy: Port bolixed.");
- case 2: /* FD_DOR */
+ case FD_DOR:
sun_set_dor(value, 1);
break;
- case 5: /* FD_DATA */
+ case FD_DATA:
sun_fdc->data_82077 = value;
break;
- case 7: /* FD_DCR */
+ case FD_DCR:
sun_fdc->dcr_82077 = value;
break;
- case 4: /* FD_STATUS */
+ case FD_DSR:
sun_fdc->status_82077 = value;
break;
- case 3: /* FD_TDR */
+ case FD_TDR:
sun_fdc->tapectl_82077 = value;
break;
}
@@ -212,13 +209,6 @@ static void sun_82077_fd_outb(unsigned char value, int port)
* underruns. If non-zero, doing_pdma encodes the direction of
* the transfer for debugging. 1=read 2=write
*/
-extern char *pdma_vaddr;
-extern unsigned long pdma_size;
-extern volatile int doing_pdma;
-
-/* This is software state */
-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)
@@ -263,8 +253,7 @@ static inline void sun_fd_enable_dma(void)
pdma_areasize = pdma_size;
}
-extern int sparc_floppy_request_irq(unsigned int irq,
- irq_handler_t irq_handler);
+int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler);
static int sun_fd_request_irq(void)
{
generated by cgit (git 2.34.1) at 2025-12-25 12:59:08 +0000