344 lines
12 KiB
C
344 lines
12 KiB
C
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/*
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* Linux OS Independent Layer
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*
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* Copyright 2004, Broadcom Corporation
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* All Rights Reserved.
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*
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* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
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* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
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* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
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*
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* $Id$
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*/
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#ifndef _linux_osl_h_
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#define _linux_osl_h_
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#include <typedefs.h>
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/* use current 2.4.x calling conventions */
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#include <linuxver.h>
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/* assert and panic */
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#define ASSERT(exp) do {} while (0)
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/* PCMCIA attribute space access macros */
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#if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
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struct pcmcia_dev {
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dev_link_t link; /* PCMCIA device pointer */
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dev_node_t node; /* PCMCIA node structure */
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void *base; /* Mapped attribute memory window */
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size_t size; /* Size of window */
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void *drv; /* Driver data */
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};
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#endif
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#define OSL_PCMCIA_READ_ATTR(osh, offset, buf, size) \
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osl_pcmcia_read_attr((osh), (offset), (buf), (size))
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#define OSL_PCMCIA_WRITE_ATTR(osh, offset, buf, size) \
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osl_pcmcia_write_attr((osh), (offset), (buf), (size))
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extern void osl_pcmcia_read_attr(void *osh, uint offset, void *buf, int size);
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extern void osl_pcmcia_write_attr(void *osh, uint offset, void *buf, int size);
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/* PCI configuration space access macros */
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#define OSL_PCI_READ_CONFIG(loc, offset, size) \
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osl_pci_read_config((loc), (offset), (size))
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#define OSL_PCI_WRITE_CONFIG(loc, offset, size, val) \
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osl_pci_write_config((loc), (offset), (size), (val))
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extern uint32 osl_pci_read_config(void *loc, uint size, uint offset);
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extern void osl_pci_write_config(void *loc, uint offset, uint size, uint val);
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/* OSL initialization */
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#define osl_init() do {} while (0)
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/* host/bus architecture-specific byte swap */
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#define BUS_SWAP32(v) (v)
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/* general purpose memory allocation */
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#if defined(BINOSL)
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#if defined(BCMDBG_MEM)
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#define MALLOC(size) osl_debug_malloc((size), __LINE__, __FILE__)
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#define MFREE(addr, size) osl_debug_mfree((addr), (size))
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#define MALLOCED() osl_malloced()
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extern void* osl_debug_malloc(uint size, int line, char* file);
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extern void osl_debug_mfree(void *addr, uint size);
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extern void osl_debug_memdump(void);
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#else
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#define MALLOC(size) osl_malloc((size))
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#define MFREE(addr, size) osl_mfree((addr), (size))
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#define MALLOCED() osl_malloced()
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#endif
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extern void *osl_malloc(uint size);
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extern void osl_mfree(void *addr, uint size);
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extern uint osl_malloced(void);
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#else
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#define MALLOC(size) kmalloc((size), GFP_ATOMIC)
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#define MFREE(addr, size) kfree((addr))
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#define MALLOCED() (0)
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#endif
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/*
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* BINOSL selects the slightly slower function-call-based binary compatible osl.
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* Macros expand to calls to functions defined in linux_osl.c .
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*/
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#ifndef BINOSL
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/* string library, kernel mode */
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#define printf(fmt, args...) printk(fmt, ## args)
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#include <linux/kernel.h>
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#include <linux/string.h>
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/* register access macros */
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#define R_REG(r) ( \
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sizeof(*(r)) == sizeof(uint8) ? readb((volatile uint8*)(r)) : \
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sizeof(*(r)) == sizeof(uint16) ? readw((volatile uint16*)(r)) : \
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readl((volatile uint32*)(r)) \
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)
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#define W_REG(r, v) do { \
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switch (sizeof(*(r))) { \
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case sizeof(uint8): writeb((uint8)(v), (volatile uint8*)(r)); break; \
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case sizeof(uint16): writew((uint16)(v), (volatile uint16*)(r)); break; \
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case sizeof(uint32): writel((uint32)(v), (volatile uint32*)(r)); break; \
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} \
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} while (0)
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#define AND_REG(r, v) W_REG((r), R_REG(r) & (v))
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#define OR_REG(r, v) W_REG((r), R_REG(r) | (v))
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/* bcopy, bcmp, and bzero */
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#define bcopy(src, dst, len) memcpy((dst), (src), (len))
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#define bcmp(b1, b2, len) memcmp((b1), (b2), (len))
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#define bzero(b, len) memset((b), '\0', (len))
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/* uncached virtual address */
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#ifdef mips
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#define OSL_UNCACHED(va) KSEG1ADDR((va))
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#include <asm/addrspace.h>
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#else
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#define OSL_UNCACHED(va) (va)
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#endif
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/* get processor cycle count */
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#if defined(mips)
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#define OSL_GETCYCLES(x) ((x) = read_c0_count() * 2)
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#elif defined(__i386__)
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#define OSL_GETCYCLES(x) rdtscl((x))
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#else
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#define OSL_GETCYCLES(x) ((x) = 0)
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#endif
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/* dereference an address that may cause a bus exception */
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#ifdef mips
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#if defined(MODULE) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,17))
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#define BUSPROBE(val, addr) panic("get_dbe() will not fixup a bus exception when compiled into a module")
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#else
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#define BUSPROBE(val, addr) get_dbe((val), (addr))
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#include <asm/paccess.h>
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#endif
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#else
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#define BUSPROBE(val, addr) ({ (val) = R_REG((addr)); 0; })
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#endif
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/* map/unmap physical to virtual I/O */
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#define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size))
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#define REG_UNMAP(va) iounmap((void *)(va))
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/* allocate/free shared (dma-able) consistent (uncached) memory */
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#define DMA_ALLOC_CONSISTENT(dev, size, pap) \
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pci_alloc_consistent((dev), (size), (dma_addr_t*)(pap))
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#define DMA_FREE_CONSISTENT(dev, va, size, pa) \
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pci_free_consistent((dev), (size), (va), (dma_addr_t)(pa))
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/* map/unmap direction */
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#define DMA_TX PCI_DMA_TODEVICE
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#define DMA_RX PCI_DMA_FROMDEVICE
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/* map/unmap shared (dma-able) memory */
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#define DMA_MAP(dev, va, size, direction, p) \
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pci_map_single((dev), (va), (size), (direction))
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#define DMA_UNMAP(dev, pa, size, direction, p) \
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pci_unmap_single((dev), (dma_addr_t)(pa), (size), (direction))
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/* microsecond delay */
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#define OSL_DELAY(usec) udelay(usec)
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#include <linux/delay.h>
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/* shared (dma-able) memory access macros */
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#define R_SM(r) *(r)
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#define W_SM(r, v) (*(r) = (v))
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#define BZERO_SM(r, len) memset((r), '\0', (len))
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/* packet primitives */
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#define PKTGET(drv, len, send) osl_pktget((drv), (len), (send))
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#define PKTFREE(drv, skb, send) osl_pktfree((skb))
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#define PKTDATA(drv, skb) (((struct sk_buff*)(skb))->data)
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#define PKTLEN(drv, skb) (((struct sk_buff*)(skb))->len)
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#define PKTHEADROOM(drv, skb) (PKTDATA(drv,skb)-(((struct sk_buff*)(skb))->head))
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#define PKTTAILROOM(drv, skb) ((((struct sk_buff*)(skb))->end)-(((struct sk_buff*)(skb))->tail))
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#define PKTNEXT(drv, skb) (((struct sk_buff*)(skb))->next)
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#define PKTSETNEXT(skb, x) (((struct sk_buff*)(skb))->next = (struct sk_buff*)(x))
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#define PKTSETLEN(drv, skb, len) __skb_trim((struct sk_buff*)(skb), (len))
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#define PKTPUSH(drv, skb, bytes) skb_push((struct sk_buff*)(skb), (bytes))
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#define PKTPULL(drv, skb, bytes) skb_pull((struct sk_buff*)(skb), (bytes))
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#define PKTDUP(drv, skb) skb_clone((struct sk_buff*)(skb), GFP_ATOMIC)
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#define PKTCOOKIE(skb) ((void*)((struct sk_buff*)(skb))->csum)
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#define PKTSETCOOKIE(skb, x) (((struct sk_buff*)(skb))->csum = (uint)(x))
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#define PKTLINK(skb) (((struct sk_buff*)(skb))->prev)
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#define PKTSETLINK(skb, x) (((struct sk_buff*)(skb))->prev = (struct sk_buff*)(x))
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#define PKTPRIO(skb) (((struct sk_buff*)(skb))->priority)
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#define PKTSETPRIO(skb, x) (((struct sk_buff*)(skb))->priority = (x))
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extern void *osl_pktget(void *drv, uint len, bool send);
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extern void osl_pktfree(void *skb);
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#else /* BINOSL */
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/* string library */
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#ifndef LINUX_OSL
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#undef printf
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#define printf(fmt, args...) osl_printf((fmt), ## args)
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#undef sprintf
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#define sprintf(buf, fmt, args...) osl_sprintf((buf), (fmt), ## args)
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#undef strcmp
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#define strcmp(s1, s2) osl_strcmp((s1), (s2))
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#undef strncmp
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#define strncmp(s1, s2, n) osl_strncmp((s1), (s2), (n))
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#undef strlen
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#define strlen(s) osl_strlen((s))
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#undef strcpy
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#define strcpy(d, s) osl_strcpy((d), (s))
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#undef strncpy
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#define strncpy(d, s, n) osl_strncpy((d), (s), (n))
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#endif
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extern int osl_printf(const char *format, ...);
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extern int osl_sprintf(char *buf, const char *format, ...);
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extern int osl_strcmp(const char *s1, const char *s2);
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extern int osl_strncmp(const char *s1, const char *s2, uint n);
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extern int osl_strlen(char *s);
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extern char* osl_strcpy(char *d, const char *s);
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extern char* osl_strncpy(char *d, const char *s, uint n);
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/* register access macros */
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#define R_REG(r) ( \
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sizeof(*(r)) == sizeof(uint8) ? osl_readb((volatile uint8*)(r)) : \
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sizeof(*(r)) == sizeof(uint16) ? osl_readw((volatile uint16*)(r)) : \
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osl_readl((volatile uint32*)(r)) \
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)
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#define W_REG(r, v) do { \
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switch (sizeof(*(r))) { \
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case sizeof(uint8): osl_writeb((uint8)(v), (volatile uint8*)(r)); break; \
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case sizeof(uint16): osl_writew((uint16)(v), (volatile uint16*)(r)); break; \
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case sizeof(uint32): osl_writel((uint32)(v), (volatile uint32*)(r)); break; \
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} \
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} while (0)
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#define AND_REG(r, v) W_REG((r), R_REG(r) & (v))
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#define OR_REG(r, v) W_REG((r), R_REG(r) | (v))
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extern uint8 osl_readb(volatile uint8 *r);
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extern uint16 osl_readw(volatile uint16 *r);
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extern uint32 osl_readl(volatile uint32 *r);
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extern void osl_writeb(uint8 v, volatile uint8 *r);
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extern void osl_writew(uint16 v, volatile uint16 *r);
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extern void osl_writel(uint32 v, volatile uint32 *r);
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/* bcopy, bcmp, and bzero */
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extern void bcopy(const void *src, void *dst, int len);
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extern int bcmp(const void *b1, const void *b2, int len);
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extern void bzero(void *b, int len);
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/* uncached virtual address */
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#define OSL_UNCACHED(va) osl_uncached((va))
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extern void *osl_uncached(void *va);
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/* get processor cycle count */
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#define OSL_GETCYCLES(x) ((x) = osl_getcycles())
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extern uint osl_getcycles(void);
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/* dereference an address that may target abort */
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#define BUSPROBE(val, addr) osl_busprobe(&(val), (addr))
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extern int osl_busprobe(uint32 *val, uint32 addr);
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/* map/unmap physical to virtual */
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#define REG_MAP(pa, size) osl_reg_map((pa), (size))
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#define REG_UNMAP(va) osl_reg_unmap((va))
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extern void *osl_reg_map(uint32 pa, uint size);
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extern void osl_reg_unmap(void *va);
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/* allocate/free shared (dma-able) consistent (uncached) memory */
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#define DMA_ALLOC_CONSISTENT(dev, size, pap) \
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osl_dma_alloc_consistent((dev), (size), (pap))
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#define DMA_FREE_CONSISTENT(dev, va, size, pa) \
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osl_dma_free_consistent((dev), (void*)(va), (size), (pa))
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extern void *osl_dma_alloc_consistent(void *dev, uint size, ulong *pap);
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extern void osl_dma_free_consistent(void *dev, void *va, uint size, ulong pa);
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/* map/unmap direction */
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#define DMA_TX 1
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#define DMA_RX 2
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/* map/unmap shared (dma-able) memory */
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#define DMA_MAP(dev, va, size, direction, p) \
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osl_dma_map((dev), (va), (size), (direction))
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#define DMA_UNMAP(dev, pa, size, direction, p) \
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osl_dma_unmap((dev), (pa), (size), (direction))
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extern uint osl_dma_map(void *dev, void *va, uint size, int direction);
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extern void osl_dma_unmap(void *dev, uint pa, uint size, int direction);
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/* microsecond delay */
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#define OSL_DELAY(usec) osl_delay((usec))
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extern void osl_delay(uint usec);
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/* shared (dma-able) memory access macros */
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#define R_SM(r) *(r)
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#define W_SM(r, v) (*(r) = (v))
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#define BZERO_SM(r, len) bzero((r), (len))
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/* packet primitives */
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#define PKTGET(drv, len, send) osl_pktget((drv), (len), (send))
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#define PKTFREE(drv, skb, send) osl_pktfree((skb))
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#define PKTDATA(drv, skb) osl_pktdata((drv), (skb))
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#define PKTLEN(drv, skb) osl_pktlen((drv), (skb))
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#define PKTHEADROOM(drv, skb) osl_pktheadroom((drv), (skb))
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#define PKTTAILROOM(drv, skb) osl_pkttailroom((drv), (skb))
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#define PKTNEXT(drv, skb) osl_pktnext((drv), (skb))
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#define PKTSETNEXT(skb, x) osl_pktsetnext((skb), (x))
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#define PKTSETLEN(drv, skb, len) osl_pktsetlen((drv), (skb), (len))
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#define PKTPUSH(drv, skb, bytes) osl_pktpush((drv), (skb), (bytes))
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#define PKTPULL(drv, skb, bytes) osl_pktpull((drv), (skb), (bytes))
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#define PKTDUP(drv, skb) osl_pktdup((drv), (skb))
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#define PKTCOOKIE(skb) osl_pktcookie((skb))
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#define PKTSETCOOKIE(skb, x) osl_pktsetcookie((skb), (x))
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#define PKTLINK(skb) osl_pktlink((skb))
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#define PKTSETLINK(skb, x) osl_pktsetlink((skb), (x))
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#define PKTPRIO(skb) osl_pktprio((skb))
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#define PKTSETPRIO(skb, x) osl_pktsetprio((skb), (x))
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extern void *osl_pktget(void *drv, uint len, bool send);
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extern void osl_pktfree(void *skb);
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extern uchar *osl_pktdata(void *drv, void *skb);
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extern uint osl_pktlen(void *drv, void *skb);
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extern uint osl_pktheadroom(void *drv, void *skb);
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extern uint osl_pkttailroom(void *drv, void *skb);
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extern void *osl_pktnext(void *drv, void *skb);
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extern void osl_pktsetnext(void *skb, void *x);
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extern void osl_pktsetlen(void *drv, void *skb, uint len);
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extern uchar *osl_pktpush(void *drv, void *skb, int bytes);
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extern uchar *osl_pktpull(void *drv, void *skb, int bytes);
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extern void *osl_pktdup(void *drv, void *skb);
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extern void *osl_pktcookie(void *skb);
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extern void osl_pktsetcookie(void *skb, void *x);
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extern void *osl_pktlink(void *skb);
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extern void osl_pktsetlink(void *skb, void *x);
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extern uint osl_pktprio(void *skb);
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extern void osl_pktsetprio(void *skb, uint x);
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#endif /* BINOSL */
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#endif /* _linux_osl_h_ */
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