aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sh/boards/renesas/hs7751rvoip/io.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/boards/renesas/hs7751rvoip/io.c')
-rw-r--r--arch/sh/boards/renesas/hs7751rvoip/io.c159
1 files changed, 91 insertions, 68 deletions
diff --git a/arch/sh/boards/renesas/hs7751rvoip/io.c b/arch/sh/boards/renesas/hs7751rvoip/io.c
index edecf107fc13..ecdce7ef6a34 100644
--- a/arch/sh/boards/renesas/hs7751rvoip/io.c
+++ b/arch/sh/boards/renesas/hs7751rvoip/io.c
@@ -21,10 +21,8 @@
#include <linux/pci.h>
#include "../../../drivers/pci/pci-sh7751.h"
-extern void *area5_io8_base; /* Area 5 8bit I/O Base address */
extern void *area6_io8_base; /* Area 6 8bit I/O Base address */
extern void *area5_io16_base; /* Area 5 16bit I/O Base address */
-extern void *area6_io16_base; /* Area 6 16bit I/O Base address */
/*
* The 7751R HS7751RVoIP uses the built-in PCI controller (PCIC)
@@ -37,16 +35,10 @@ extern void *area6_io16_base; /* Area 6 16bit I/O Base address */
#define PCIMBR (volatile long *)PCI_REG(SH7751_PCIMBR)
#define PCI_IO_AREA SH7751_PCI_IO_BASE
#define PCI_MEM_AREA SH7751_PCI_CONFIG_BASE
-
#define PCI_IOMAP(adr) (PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK))
-#if defined(CONFIG_HS7751RVOIP_CODEC)
#define CODEC_IO_BASE 0x1000
-#endif
-
-#define maybebadio(name,port) \
- printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \
- #name, (port), (__u32) __builtin_return_address(0))
+#define CODEC_IOMAP(a) ((unsigned long)area6_io8_base + ((a) - CODEC_IO_BASE))
static inline void delay(void)
{
@@ -61,7 +53,7 @@ static inline unsigned long port2adr(unsigned int port)
else
return ((unsigned long)area5_io16_base + 0x800 + ((port-0x1f0) << 1));
else
- maybebadio(port2adr, (unsigned long)port);
+ maybebadio((unsigned long)port);
return port;
}
@@ -109,15 +101,15 @@ codec_port(unsigned long port)
unsigned char hs7751rvoip_inb(unsigned long port)
{
if (PXSEG(port))
- return *(volatile unsigned char *)port;
+ return ctrl_inb(port);
#if defined(CONFIG_HS7751RVOIP_CODEC)
else if (codec_port(port))
- return *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE));
+ return ctrl_inb(CODEC_IOMAP(port));
#endif
else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- return *(volatile unsigned char *)PCI_IOMAP(port);
+ return ctrl_inb(PCI_IOMAP(port));
else
- return (*(volatile unsigned short *)port2adr(port) & 0xff);
+ return ctrl_inw(port2adr(port)) & 0xff;
}
unsigned char hs7751rvoip_inb_p(unsigned long port)
@@ -125,15 +117,15 @@ unsigned char hs7751rvoip_inb_p(unsigned long port)
unsigned char v;
if (PXSEG(port))
- v = *(volatile unsigned char *)port;
+ v = ctrl_inb(port);
#if defined(CONFIG_HS7751RVOIP_CODEC)
else if (codec_port(port))
- v = *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE));
+ v = ctrl_inb(CODEC_IOMAP(port));
#endif
else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- v = *(volatile unsigned char *)PCI_IOMAP(port);
+ v = ctrl_inb(PCI_IOMAP(port));
else
- v = (*(volatile unsigned short *)port2adr(port) & 0xff);
+ v = ctrl_inw(port2adr(port)) & 0xff;
delay();
return v;
}
@@ -141,22 +133,22 @@ unsigned char hs7751rvoip_inb_p(unsigned long port)
unsigned short hs7751rvoip_inw(unsigned long port)
{
if (PXSEG(port))
- return *(volatile unsigned short *)port;
+ return ctrl_inw(port);
else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- return *(volatile unsigned short *)PCI_IOMAP(port);
+ return ctrl_inw(PCI_IOMAP(port));
else
- maybebadio(inw, port);
+ maybebadio(port);
return 0;
}
unsigned int hs7751rvoip_inl(unsigned long port)
{
if (PXSEG(port))
- return *(volatile unsigned long *)port;
+ return ctrl_inl(port);
else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- return *(volatile unsigned long *)PCI_IOMAP(port);
+ return ctrl_inl(PCI_IOMAP(port));
else
- maybebadio(inl, port);
+ maybebadio(port);
return 0;
}
@@ -164,137 +156,168 @@ void hs7751rvoip_outb(unsigned char value, unsigned long port)
{
if (PXSEG(port))
- *(volatile unsigned char *)port = value;
+ ctrl_outb(value, port);
#if defined(CONFIG_HS7751RVOIP_CODEC)
else if (codec_port(port))
- *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = value;
+ ctrl_outb(value, CODEC_IOMAP(port));
#endif
else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- *(unsigned char *)PCI_IOMAP(port) = value;
+ ctrl_outb(value, PCI_IOMAP(port));
else
- *(volatile unsigned short *)port2adr(port) = value;
+ ctrl_outb(value, port2adr(port));
}
void hs7751rvoip_outb_p(unsigned char value, unsigned long port)
{
if (PXSEG(port))
- *(volatile unsigned char *)port = value;
+ ctrl_outb(value, port);
#if defined(CONFIG_HS7751RVOIP_CODEC)
else if (codec_port(port))
- *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = value;
+ ctrl_outb(value, CODEC_IOMAP(port));
#endif
else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- *(unsigned char *)PCI_IOMAP(port) = value;
+ ctrl_outb(value, PCI_IOMAP(port));
else
- *(volatile unsigned short *)port2adr(port) = value;
+ ctrl_outw(value, port2adr(port));
+
delay();
}
void hs7751rvoip_outw(unsigned short value, unsigned long port)
{
if (PXSEG(port))
- *(volatile unsigned short *)port = value;
+ ctrl_outw(value, port);
else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- *(unsigned short *)PCI_IOMAP(port) = value;
+ ctrl_outw(value, PCI_IOMAP(port));
else
- maybebadio(outw, port);
+ maybebadio(port);
}
void hs7751rvoip_outl(unsigned int value, unsigned long port)
{
if (PXSEG(port))
- *(volatile unsigned long *)port = value;
+ ctrl_outl(value, port);
else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- *((unsigned long *)PCI_IOMAP(port)) = value;
+ ctrl_outl(value, PCI_IOMAP(port));
else
- maybebadio(outl, port);
+ maybebadio(port);
}
void hs7751rvoip_insb(unsigned long port, void *addr, unsigned long count)
{
+ u8 *buf = addr;
+
if (PXSEG(port))
- while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)port;
+ while (count--)
+ *buf++ = ctrl_inb(port);
#if defined(CONFIG_HS7751RVOIP_CODEC)
else if (codec_port(port))
- while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE));
+ while (count--)
+ *buf++ = ctrl_inb(CODEC_IOMAP(port));
#endif
else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
- volatile __u8 *bp = (__u8 *)PCI_IOMAP(port);
+ volatile u8 *bp = (volatile u8 *)PCI_IOMAP(port);
- while (count--) *((volatile unsigned char *) addr)++ = *bp;
+ while (count--)
+ *buf++ = *bp;
} else {
- volatile __u16 *p = (volatile unsigned short *)port2adr(port);
+ volatile u16 *p = (volatile u16 *)port2adr(port);
- while (count--) *((unsigned char *) addr)++ = *p & 0xff;
+ while (count--)
+ *buf++ = *p & 0xff;
}
}
void hs7751rvoip_insw(unsigned long port, void *addr, unsigned long count)
{
- volatile __u16 *p;
+ volatile u16 *p;
+ u16 *buf = addr;
if (PXSEG(port))
- p = (volatile unsigned short *)port;
+ p = (volatile u16 *)port;
else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- p = (volatile unsigned short *)PCI_IOMAP(port);
+ p = (volatile u16 *)PCI_IOMAP(port);
else
- p = (volatile unsigned short *)port2adr(port);
- while (count--) *((__u16 *) addr)++ = *p;
+ p = (volatile u16 *)port2adr(port);
+ while (count--)
+ *buf++ = *p;
}
void hs7751rvoip_insl(unsigned long port, void *addr, unsigned long count)
{
+
if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
- volatile __u32 *p = (__u32 *)PCI_IOMAP(port);
+ volatile u32 *p = (volatile u32 *)PCI_IOMAP(port);
+ u32 *buf = addr;
- while (count--) *((__u32 *) addr)++ = *p;
+ while (count--)
+ *buf++ = *p;
} else
- maybebadio(insl, port);
+ maybebadio(port);
}
void hs7751rvoip_outsb(unsigned long port, const void *addr, unsigned long count)
{
+ const u8 *buf = addr;
+
if (PXSEG(port))
- while (count--) *(volatile unsigned char *)port = *((unsigned char *) addr)++;
+ while (count--)
+ ctrl_outb(*buf++, port);
#if defined(CONFIG_HS7751RVOIP_CODEC)
else if (codec_port(port))
- while (count--) *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = *((unsigned char *) addr)++;
+ while (count--)
+ ctrl_outb(*buf++, CODEC_IOMAP(port));
#endif
else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
- volatile __u8 *bp = (__u8 *)PCI_IOMAP(port);
+ volatile u8 *bp = (volatile u8 *)PCI_IOMAP(port);
- while (count--) *bp = *((volatile unsigned char *) addr)++;
+ while (count--)
+ *bp = *buf++;
} else {
- volatile __u16 *p = (volatile unsigned short *)port2adr(port);
+ volatile u16 *p = (volatile u16 *)port2adr(port);
- while (count--) *p = *((unsigned char *) addr)++;
+ while (count--)
+ *p = *buf++;
}
}
void hs7751rvoip_outsw(unsigned long port, const void *addr, unsigned long count)
{
- volatile __u16 *p;
+ volatile u16 *p;
+ const u16 *buf = addr;
if (PXSEG(port))
- p = (volatile unsigned short *)port;
+ p = (volatile u16 *)port;
else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- p = (volatile unsigned short *)PCI_IOMAP(port);
+ p = (volatile u16 *)PCI_IOMAP(port);
else
- p = (volatile unsigned short *)port2adr(port);
- while (count--) *p = *((__u16 *) addr)++;
+ p = (volatile u16 *)port2adr(port);
+
+ while (count--)
+ *p = *buf++;
}
void hs7751rvoip_outsl(unsigned long port, const void *addr, unsigned long count)
{
+ const u32 *buf = addr;
+
if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
- volatile __u32 *p = (__u32 *)PCI_IOMAP(port);
+ volatile u32 *p = (volatile u32 *)PCI_IOMAP(port);
- while (count--) *p = *((__u32 *) addr)++;
+ while (count--)
+ *p = *buf++;
} else
- maybebadio(outsl, port);
+ maybebadio(port);
}
-unsigned long hs7751rvoip_isa_port2addr(unsigned long offset)
+void __iomem *hs7751rvoip_ioport_map(unsigned long port, unsigned int size)
{
- return port2adr(offset);
+ if (PXSEG(port))
+ return (void __iomem *)port;
+ else if (unlikely(codec_port(port) && (size == 1)))
+ return (void __iomem *)CODEC_IOMAP(port);
+ else if (CHECK_SH7751_PCIIO(port))
+ return (void __iomem *)PCI_IOMAP(port);
+
+ return (void __iomem *)port2adr(port);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.