X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsh%2Fboards%2Frenesas%2Fhs7751rvoip%2Fio.c;h=bb9aa0d62852379d05aefa16a327650c2721d815;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=456753d2649ca82db2f90c8cbf5a6b2856f4bd6c;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/arch/sh/boards/renesas/hs7751rvoip/io.c b/arch/sh/boards/renesas/hs7751rvoip/io.c index 456753d26..bb9aa0d62 100644 --- a/arch/sh/boards/renesas/hs7751rvoip/io.c +++ b/arch/sh/boards/renesas/hs7751rvoip/io.c @@ -1,5 +1,5 @@ /* - * linux/arch/sh/kernel/io_hs7751rvoip.c + * linux/arch/sh/boards/renesas/hs7751rvoip/io.c * * Copyright (C) 2001 Ian da Silva, Jeremy Siegel * Based largely on io_se.c. @@ -10,22 +10,16 @@ * placeholder code from io_hs7751rvoip.c left in with the * expectation of later SuperIO and PCMCIA access. */ - -#include #include #include -#include -#include -#include - #include #include -#include "../../../drivers/pci/pci-sh7751.h" +#include +#include +#include -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) @@ -34,25 +28,8 @@ extern void *area6_io16_base; /* Area 6 16bit I/O Base address */ * like the other Solution Engine boards. */ -#define PCIIOBR (volatile long *)PCI_REG(SH7751_PCIIOBR) -#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)) - -static inline void delay(void) -{ - ctrl_inw(0xa0000000); -} +#define CODEC_IOMAP(a) ((unsigned long)area6_io8_base + ((a) - CODEC_IO_BASE)) static inline unsigned long port2adr(unsigned int port) { @@ -60,9 +37,10 @@ static inline unsigned long port2adr(unsigned int port) if (port == 0x3f6) return ((unsigned long)area5_io16_base + 0x0c); else - return ((unsigned long)area5_io16_base + 0x800 + ((port-0x1f0) << 1)); + return ((unsigned long)area5_io16_base + 0x800 + + ((port-0x1f0) << 1)); else - maybebadio(port2adr, (unsigned long)port); + maybebadio((unsigned long)port); return port; } @@ -79,25 +57,10 @@ static inline int shifted_port(unsigned long port) } #if defined(CONFIG_HS7751RVOIP_CODEC) -static inline int -codec_port(unsigned long port) -{ - if (CODEC_IO_BASE <= port && port < (CODEC_IO_BASE+0x20)) - return 1; - else - return 0; -} -#endif - -/* In case someone configures the kernel w/o PCI support: in that */ -/* scenario, don't ever bother to check for PCI-window addresses */ - -/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */ -#if defined(CONFIG_PCI) -#define CHECK_SH7751_PCIIO(port) \ - ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE))) +#define codec_port(port) \ + ((CODEC_IO_BASE <= (port)) && ((port) < (CODEC_IO_BASE + 0x20))) #else -#define CHECK_SH7751_PCIIO(port) (0) +#define codec_port(port) (0) #endif /* @@ -110,15 +73,13 @@ codec_port(unsigned long port) unsigned char hs7751rvoip_inb(unsigned long port) { if (PXSEG(port)) - return *(volatile unsigned char *)port; -#if defined(CONFIG_HS7751RVOIP_CODEC) + return ctrl_inb(port); else if (codec_port(port)) - return *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)); -#endif - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - return *(volatile unsigned char *)PCI_IOMAP(port); + return ctrl_inb(CODEC_IOMAP(port)); + else if (is_pci_ioaddr(port) || shifted_port(port)) + return ctrl_inb(pci_ioaddr(port)); else - return (*(volatile unsigned short *)port2adr(port) & 0xff); + return ctrl_inw(port2adr(port)) & 0xff; } unsigned char hs7751rvoip_inb_p(unsigned long port) @@ -126,38 +87,36 @@ unsigned char hs7751rvoip_inb_p(unsigned long port) unsigned char v; if (PXSEG(port)) - v = *(volatile unsigned char *)port; -#if defined(CONFIG_HS7751RVOIP_CODEC) + v = ctrl_inb(port); else if (codec_port(port)) - v = *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)); -#endif - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - v = *(volatile unsigned char *)PCI_IOMAP(port); + v = ctrl_inb(CODEC_IOMAP(port)); + else if (is_pci_ioaddr(port) || shifted_port(port)) + v = ctrl_inb(pci_ioaddr(port)); else - v = (*(volatile unsigned short *)port2adr(port) & 0xff); - delay(); + v = ctrl_inw(port2adr(port)) & 0xff; + ctrl_delay(); return v; } unsigned short hs7751rvoip_inw(unsigned long port) { if (PXSEG(port)) - return *(volatile unsigned short *)port; - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - return *(volatile unsigned short *)PCI_IOMAP(port); + return ctrl_inw(port); + else if (is_pci_ioaddr(port) || shifted_port(port)) + return ctrl_inw(pci_ioaddr(port)); else - maybebadio(inw, port); + maybebadio(port); return 0; } unsigned int hs7751rvoip_inl(unsigned long port) { if (PXSEG(port)) - return *(volatile unsigned long *)port; - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - return *(volatile unsigned long *)PCI_IOMAP(port); + return ctrl_inl(port); + else if (is_pci_ioaddr(port) || shifted_port(port)) + return ctrl_inl(pci_ioaddr(port)); else - maybebadio(inl, port); + maybebadio(port); return 0; } @@ -165,146 +124,160 @@ void hs7751rvoip_outb(unsigned char value, unsigned long port) { if (PXSEG(port)) - *(volatile unsigned char *)port = value; -#if defined(CONFIG_HS7751RVOIP_CODEC) + ctrl_outb(value, port); else if (codec_port(port)) - *(volatile unsigned cjar *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = value; -#endif - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - *(unsigned char *)PCI_IOMAP(port) = value; + ctrl_outb(value, CODEC_IOMAP(port)); + else if (is_pci_ioaddr(port) || shifted_port(port)) + ctrl_outb(value, pci_ioaddr(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; -#if defined(CONFIG_HS7751RVOIP_CODEC) + ctrl_outb(value, port); else if (codec_port(port)) - *(volatile unsigned cjar *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = value; -#endif - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - *(unsigned char *)PCI_IOMAP(port) = value; + ctrl_outb(value, CODEC_IOMAP(port)); + else if (is_pci_ioaddr(port) || shifted_port(port)) + ctrl_outb(value, pci_ioaddr(port)); else - *(volatile unsigned short *)port2adr(port) = value; - delay(); + ctrl_outw(value, port2adr(port)); + + ctrl_delay(); } void hs7751rvoip_outw(unsigned short value, unsigned long port) { if (PXSEG(port)) - *(volatile unsigned short *)port = value; - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - *(unsigned short *)PCI_IOMAP(port) = value; + ctrl_outw(value, port); + else if (is_pci_ioaddr(port) || shifted_port(port)) + ctrl_outw(value, pci_ioaddr(port)); else - maybebadio(outw, port); + maybebadio(port); } void hs7751rvoip_outl(unsigned int value, unsigned long port) { if (PXSEG(port)) - *(volatile unsigned long *)port = value; - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - *((unsigned long *)PCI_IOMAP(port)) = value; + ctrl_outl(value, port); + else if (is_pci_ioaddr(port) || shifted_port(port)) + ctrl_outl(value, pci_ioaddr(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; -#if defined(CONFIG_HS7751RVOIP_CODEC) + while (count--) + *buf++ = ctrl_inb(port); else if (codec_port(port)) - while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)); -#endif - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { - volatile __u8 *bp = (__u8 *)PCI_IOMAP(port); + while (count--) + *buf++ = ctrl_inb(CODEC_IOMAP(port)); + else if (is_pci_ioaddr(port) || shifted_port(port)) { + volatile u8 *bp = (volatile u8 *)pci_ioaddr(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; - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - p = (volatile unsigned short *)PCI_IOMAP(port); + p = (volatile u16 *)port; + else if (is_pci_ioaddr(port) || shifted_port(port)) + p = (volatile u16 *)pci_ioaddr(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); - while (count--) *((__u32 *) addr)++ = *p; + if (is_pci_ioaddr(port) || shifted_port(port)) { + volatile u32 *p = (volatile u32 *)pci_ioaddr(port); + u32 *buf = addr; + + 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)++; -#if defined(CONFIG_HS7751RVOIP_CODEC) + while (count--) + ctrl_outb(*buf++, port); else if (codec_port(port)) - while (count--) *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = *((unsigned char *) addr)++; -#endif - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { - volatile __u8 *bp = (__u8 *)PCI_IOMAP(port); + while (count--) + ctrl_outb(*buf++, CODEC_IOMAP(port)); + else if (is_pci_ioaddr(port) || shifted_port(port)) { + volatile u8 *bp = (volatile u8 *)pci_ioaddr(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; - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - p = (volatile unsigned short *)PCI_IOMAP(port); + p = (volatile u16 *)port; + else if (is_pci_ioaddr(port) || shifted_port(port)) + p = (volatile u16 *)pci_ioaddr(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) { - if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { - volatile __u32 *p = (__u32 *)PCI_IOMAP(port); + const u32 *buf = addr; - while (count--) *p = *((__u32 *) addr)++; + if (is_pci_ioaddr(port) || shifted_port(port)) { + volatile u32 *p = (volatile u32 *)pci_ioaddr(port); + + while (count--) + *p = *buf++; } else - maybebadio(outsl, port); + maybebadio(port); } -void *hs7751rvoip_ioremap(unsigned long offset, unsigned long size) +void __iomem *hs7751rvoip_ioport_map(unsigned long port, unsigned int size) { - if (offset >= 0xfd000000) - return (void *)offset; - else - return (void *)P2SEGADDR(offset); -} -EXPORT_SYMBOL(hs7751rvoip_ioremap); + if (PXSEG(port)) + return (void __iomem *)port; + else if (unlikely(codec_port(port) && (size == 1))) + return (void __iomem *)CODEC_IOMAP(port); + else if (is_pci_ioaddr(port)) + return (void __iomem *)pci_ioaddr(port); -unsigned long hs7751rvoip_isa_port2addr(unsigned long offset) -{ - return port2adr(offset); + return (void __iomem *)port2adr(port); }