diff options
Diffstat (limited to 'drivers/staging/brcm80211/include/linux_osl.h')
| -rw-r--r-- | drivers/staging/brcm80211/include/linux_osl.h | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/include/linux_osl.h b/drivers/staging/brcm80211/include/linux_osl.h new file mode 100644 index 0000000..c9c860b --- /dev/null +++ b/drivers/staging/brcm80211/include/linux_osl.h @@ -0,0 +1,407 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _linux_osl_h_ +#define _linux_osl_h_ + + +/* Linux Kernel: File Operations: start */ +extern void *osl_os_open_image(char *filename); +extern int osl_os_get_image_block(char *buf, int len, void *image); +extern void osl_os_close_image(void *image); +/* Linux Kernel: File Operations: end */ + +extern osl_t *osl_attach(void *pdev, uint bustype, bool pkttag); +extern void osl_detach(osl_t *osh); + +extern u32 g_assert_type; + +#if defined(BCMDBG_ASSERT) +#define ASSERT(exp) \ + do { if (!(exp)) osl_assert(#exp, __FILE__, __LINE__); } while (0) +extern void osl_assert(char *exp, char *file, int line); +#else +#ifdef __GNUC__ +#define GCC_VERSION \ + (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) +#if GCC_VERSION > 30100 +#define ASSERT(exp) do {} while (0) +#else + /* ASSERT could cause segmentation fault on GCC3.1, use empty instead */ +#define ASSERT(exp) +#endif /* GCC_VERSION > 30100 */ +#endif /* __GNUC__ */ +#endif /* defined(BCMDBG_ASSERT) */ + +/* PCI configuration space access macros */ +#define OSL_PCI_READ_CONFIG(osh, offset, size) \ + osl_pci_read_config((osh), (offset), (size)) +#define OSL_PCI_WRITE_CONFIG(osh, offset, size, val) \ + osl_pci_write_config((osh), (offset), (size), (val)) +extern u32 osl_pci_read_config(osl_t *osh, uint offset, uint size); +extern void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val); + +/* PCI device bus # and slot # */ +#define OSL_PCI_BUS(osh) osl_pci_bus(osh) +#define OSL_PCI_SLOT(osh) osl_pci_slot(osh) +extern uint osl_pci_bus(osl_t *osh); +extern uint osl_pci_slot(osl_t *osh); + +/* Pkttag flag should be part of public information */ +typedef struct { + bool pkttag; + uint pktalloced; /* Number of allocated packet buffers */ + bool mmbus; /* Bus supports memory-mapped register accesses */ + pktfree_cb_fn_t tx_fn; /* Callback function for PKTFREE */ + void *tx_ctx; /* Context to the callback function */ +#if defined(BCMSDIO) && !defined(BRCM_FULLMAC) + osl_rreg_fn_t rreg_fn; /* Read Register function */ + osl_wreg_fn_t wreg_fn; /* Write Register function */ + void *reg_ctx; /* Context to the reg callback functions */ +#endif +} osl_pubinfo_t; + +#define PKTFREESETCB(osh, _tx_fn, _tx_ctx) \ + do { \ + ((osl_pubinfo_t *)osh)->tx_fn = _tx_fn; \ + ((osl_pubinfo_t *)osh)->tx_ctx = _tx_ctx; \ + } while (0) + +#if defined(BCMSDIO) && !defined(BRCM_FULLMAC) +#define REGOPSSET(osh, rreg, wreg, ctx) \ + do { \ + ((osl_pubinfo_t *)osh)->rreg_fn = rreg; \ + ((osl_pubinfo_t *)osh)->wreg_fn = wreg; \ + ((osl_pubinfo_t *)osh)->reg_ctx = ctx; \ + } while (0) +#endif + +#define BUS_SWAP32(v) (v) + +#define DMA_CONSISTENT_ALIGN osl_dma_consistent_align() +extern uint osl_dma_consistent_align(void); +extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, u16 align, + uint *tot, unsigned long *pap); + +#ifdef BRCM_FULLMAC +#define DMA_ALLOC_CONSISTENT(osh, size, pap, dmah, alignbits) \ + osl_dma_alloc_consistent((osh), (size), (0), (tot), (pap)) +#else +#define DMA_ALLOC_CONSISTENT(osh, size, align, tot, pap, dmah) \ + osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap)) +#endif /* BRCM_FULLMAC */ + +#define DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \ + osl_dma_free_consistent((osh), (void *)(va), (size), (pa)) +extern void osl_dma_free_consistent(osl_t *osh, void *va, uint size, unsigned long pa); + +/* map/unmap direction */ +#define DMA_TX 1 /* TX direction for DMA */ +#define DMA_RX 2 /* RX direction for DMA */ + +/* map/unmap shared (dma-able) memory */ +#define DMA_MAP(osh, va, size, direction, p, dmah) \ + osl_dma_map((osh), (va), (size), (direction)) +#define DMA_UNMAP(osh, pa, size, direction, p, dmah) \ + osl_dma_unmap((osh), (pa), (size), (direction)) +extern uint osl_dma_map(osl_t *osh, void *va, uint size, int direction); +extern void osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction); + +/* API for DMA addressing capability */ +#define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0) + +/* register access macros */ +#if defined(BCMSDIO) +#ifdef BRCM_FULLMAC +#include <bcmsdh.h> +#endif +#define OSL_WRITE_REG(osh, r, v) (bcmsdh_reg_write(NULL, (unsigned long)(r), sizeof(*(r)), (v))) +#define OSL_READ_REG(osh, r) (bcmsdh_reg_read(NULL, (unsigned long)(r), sizeof(*(r)))) +#endif + +#if defined(BCMSDIO) +#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) if (((osl_pubinfo_t *)(osh))->mmbus) \ + mmap_op else bus_op +#define SELECT_BUS_READ(osh, mmap_op, bus_op) (((osl_pubinfo_t *)(osh))->mmbus) ? \ + mmap_op : bus_op +#else +#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) mmap_op +#define SELECT_BUS_READ(osh, mmap_op, bus_op) mmap_op +#endif + +#define OSL_ERROR(bcmerror) osl_error(bcmerror) +extern int osl_error(int bcmerror); + +/* the largest reasonable packet buffer driver uses for ethernet MTU in bytes */ +#define PKTBUFSZ 2048 /* largest reasonable packet buffer, driver uses for ethernet MTU */ + +#define OSL_SYSUPTIME() ((u32)jiffies * (1000 / HZ)) +#define printf(fmt, args...) printk(fmt , ## args) +#ifdef BRCM_FULLMAC +#include <linux/kernel.h> /* for vsn/printf's */ +#include <linux/string.h> /* for mem*, str* */ +#endif +/* bcopy's: Linux kernel doesn't provide these (anymore) */ +#define bcopy(src, dst, len) memcpy((dst), (src), (len)) +#define bcmp(b1, b2, len) memcmp((b1), (b2), (len)) +#define bzero(b, len) memset((b), '\0', (len)) + +/* register access macros */ +#if defined(OSLREGOPS) +#else +#ifndef IL_BIGENDIAN +#ifndef __mips__ +#define R_REG(osh, r) (\ + SELECT_BUS_READ(osh, sizeof(*(r)) == sizeof(u8) ? readb((volatile u8*)(r)) : \ + sizeof(*(r)) == sizeof(u16) ? readw((volatile u16*)(r)) : \ + readl((volatile u32*)(r)), OSL_READ_REG(osh, r)) \ +) +#else /* __mips__ */ +#define R_REG(osh, r) (\ + SELECT_BUS_READ(osh, \ + ({ \ + __typeof(*(r)) __osl_v; \ + __asm__ __volatile__("sync"); \ + switch (sizeof(*(r))) { \ + case sizeof(u8): \ + __osl_v = readb((volatile u8*)(r)); \ + break; \ + case sizeof(u16): \ + __osl_v = readw((volatile u16*)(r)); \ + break; \ + case sizeof(u32): \ + __osl_v = \ + readl((volatile u32*)(r)); \ + break; \ + } \ + __asm__ __volatile__("sync"); \ + __osl_v; \ + }), \ + ({ \ + __typeof(*(r)) __osl_v; \ + __asm__ __volatile__("sync"); \ + __osl_v = OSL_READ_REG(osh, r); \ + __asm__ __volatile__("sync"); \ + __osl_v; \ + })) \ +) +#endif /* __mips__ */ + +#define W_REG(osh, r, v) do { \ + SELECT_BUS_WRITE(osh, \ + switch (sizeof(*(r))) { \ + case sizeof(u8): \ + writeb((u8)(v), (volatile u8*)(r)); break; \ + case sizeof(u16): \ + writew((u16)(v), (volatile u16*)(r)); break; \ + case sizeof(u32): \ + writel((u32)(v), (volatile u32*)(r)); break; \ + }, \ + (OSL_WRITE_REG(osh, r, v))); \ + } while (0) +#else /* IL_BIGENDIAN */ +#define R_REG(osh, r) (\ + SELECT_BUS_READ(osh, \ + ({ \ + __typeof(*(r)) __osl_v; \ + switch (sizeof(*(r))) { \ + case sizeof(u8): \ + __osl_v = \ + readb((volatile u8*)((r)^3)); \ + break; \ + case sizeof(u16): \ + __osl_v = \ + readw((volatile u16*)((r)^2)); \ + break; \ + case sizeof(u32): \ + __osl_v = readl((volatile u32*)(r)); \ + break; \ + } \ + __osl_v; \ + }), \ + OSL_READ_REG(osh, r)) \ +) +#define W_REG(osh, r, v) do { \ + SELECT_BUS_WRITE(osh, \ + switch (sizeof(*(r))) { \ + case sizeof(u8): \ + writeb((u8)(v), \ + (volatile u8*)((r)^3)); break; \ + case sizeof(u16): \ + writew((u16)(v), \ + (volatile u16*)((r)^2)); break; \ + case sizeof(u32): \ + writel((u32)(v), \ + (volatile u32*)(r)); break; \ + }, \ + (OSL_WRITE_REG(osh, r, v))); \ + } while (0) +#endif /* IL_BIGENDIAN */ + +#endif /* OSLREGOPS */ + +#define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v)) +#define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) | (v)) + +/* bcopy, bcmp, and bzero functions */ +#define bcopy(src, dst, len) memcpy((dst), (src), (len)) +#define bcmp(b1, b2, len) memcmp((b1), (b2), (len)) +#define bzero(b, len) memset((b), '\0', (len)) + +/* uncached/cached virtual address */ +#ifdef __mips__ +#include <asm/addrspace.h> +#define OSL_UNCACHED(va) ((void *)KSEG1ADDR((va))) +#define OSL_CACHED(va) ((void *)KSEG0ADDR((va))) +#else +#define OSL_UNCACHED(va) ((void *)va) +#define OSL_CACHED(va) ((void *)va) +#endif /* mips */ + +#if defined(mips) +#define OSL_GETCYCLES(x) ((x) = read_c0_count() * 2) +#elif defined(__i386__) +#define OSL_GETCYCLES(x) rdtscl((x)) +#else +#define OSL_GETCYCLES(x) ((x) = 0) +#endif /* defined(mips) */ + +/* dereference an address that may cause a bus exception */ +#ifdef mips +#define BUSPROBE(val, addr) get_dbe((val), (addr)) +#include <asm/paccess.h> +#else +#define BUSPROBE(val, addr) ({ (val) = R_REG(NULL, (addr)); 0; }) +#endif /* mips */ + +/* map/unmap physical to virtual I/O */ +#if !defined(CONFIG_MMC_MSM7X00A) +#define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size)) +#else +#define REG_MAP(pa, size) (void *)(0) +#endif /* !defined(CONFIG_MMC_MSM7X00A */ +#define REG_UNMAP(va) iounmap((va)) + +#define R_SM(r) (*(r)) +#define W_SM(r, v) (*(r) = (v)) +#define BZERO_SM(r, len) memset((r), '\0', (len)) + +#ifdef BRCM_FULLMAC +#include <linuxver.h> /* use current 2.4.x calling conventions */ +#endif + +/* packet primitives */ +#define PKTGET(osh, len, send) osl_pktget((osh), (len)) +#define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send)) +#define PKTDATA(skb) (((struct sk_buff *)(skb))->data) +#define PKTLEN(skb) (((struct sk_buff *)(skb))->len) +#define PKTHEADROOM(skb) (PKTDATA(skb)-(((struct sk_buff *)(skb))->head)) +#define PKTTAILROOM(skb) ((((struct sk_buff *)(skb))->end)-(((struct sk_buff *)(skb))->tail)) +#define PKTNEXT(skb) (((struct sk_buff *)(skb))->next) +#define PKTSETNEXT(skb, x) \ + (((struct sk_buff *)(skb))->next = (struct sk_buff *)(x)) +#define PKTSETLEN(skb, len) __skb_trim((struct sk_buff *)(skb), (len)) +#define PKTPUSH(skb, bytes) skb_push((struct sk_buff *)(skb), (bytes)) +#define PKTPULL(skb, bytes) skb_pull((struct sk_buff *)(skb), (bytes)) +#define PKTTAG(skb) ((void *)(((struct sk_buff *)(skb))->cb)) +#define PKTALLOCED(osh) (((osl_pubinfo_t *)(osh))->pktalloced) +#define PKTSETPOOL(osh, skb, x, y) do {} while (0) +#define PKTPOOL(osh, skb) false +extern void *osl_pktget(osl_t *osh, uint len); +extern void osl_pktfree(osl_t *osh, void *skb, bool send); + +#ifdef BRCM_FULLMAC +extern void *osl_pktget_static(osl_t *osh, uint len); +extern void osl_pktfree_static(osl_t *osh, void *skb, bool send); + +static inline void * +osl_pkt_frmnative(osl_pubinfo_t *osh, struct sk_buff *skb) +{ + struct sk_buff *nskb; + + if (osh->pkttag) + bzero((void *)skb->cb, OSL_PKTTAG_SZ); + + for (nskb = skb; nskb; nskb = nskb->next) + osh->pktalloced++; + + return (void *)skb; +} +#define PKTFRMNATIVE(osh, skb) \ + osl_pkt_frmnative(((osl_pubinfo_t *)osh), (struct sk_buff*)(skb)) + +static inline struct sk_buff * +osl_pkt_tonative(osl_pubinfo_t *osh, void *pkt) +{ + struct sk_buff *nskb; + + if (osh->pkttag) + bzero(((struct sk_buff *)pkt)->cb, OSL_PKTTAG_SZ); + + for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next) + osh->pktalloced--; + + return (struct sk_buff *)pkt; +} +#define PKTTONATIVE(osh, pkt) \ + osl_pkt_tonative((osl_pubinfo_t *)(osh), (pkt)) +#else /* !BRCM_FULLMAC */ +#define PKTUNALLOC(osh) (((osl_pubinfo_t *)(osh))->pktalloced--) + +#define PKTSETSKIPCT(osh, skb) +#define PKTCLRSKIPCT(osh, skb) +#define PKTSKIPCT(osh, skb) +#endif /* BRCM_FULLMAC */ + +#define PKTLINK(skb) (((struct sk_buff *)(skb))->prev) +#define PKTSETLINK(skb, x) (((struct sk_buff *)(skb))->prev = (struct sk_buff*)(x)) +#define PKTPRIO(skb) (((struct sk_buff *)(skb))->priority) +#define PKTSETPRIO(skb, x) (((struct sk_buff *)(skb))->priority = (x)) +#define PKTSUMNEEDED(skb) (((struct sk_buff *)(skb))->ip_summed == CHECKSUM_PARTIAL) +#define PKTSETSUMGOOD(skb, x) (((struct sk_buff *)(skb))->ip_summed = \ + ((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE)) +/* PKTSETSUMNEEDED and PKTSUMGOOD are not possible because skb->ip_summed is overloaded */ +#define PKTSHARED(skb) (((struct sk_buff *)(skb))->cloned) + +#if defined(BCMSDIO) && !defined(BRCM_FULLMAC) +#define RPC_READ_REG(osh, r) (\ + sizeof(*(r)) == sizeof(u8) ? osl_readb((osh), (volatile u8*)(r)) : \ + sizeof(*(r)) == sizeof(u16) ? osl_readw((osh), (volatile u16*)(r)) : \ + osl_readl((osh), (volatile u32*)(r)) \ +) +#define RPC_WRITE_REG(osh, r, v) do { \ + switch (sizeof(*(r))) { \ + case sizeof(u8): \ + osl_writeb((osh), (volatile u8*)(r), (u8)(v)); \ + break; \ + case sizeof(u16): \ + osl_writew((osh), (volatile u16*)(r), (u16)(v)); \ + break; \ + case sizeof(u32): \ + osl_writel((osh), (volatile u32*)(r), (u32)(v)); \ + break; \ + } \ +} while (0) + +extern u8 osl_readb(osl_t *osh, volatile u8 *r); +extern u16 osl_readw(osl_t *osh, volatile u16 *r); +extern u32 osl_readl(osl_t *osh, volatile u32 *r); +extern void osl_writeb(osl_t *osh, volatile u8 *r, u8 v); +extern void osl_writew(osl_t *osh, volatile u16 *r, u16 v); +extern void osl_writel(osl_t *osh, volatile u32 *r, u32 v); +#endif /* BCMSDIO */ + +#endif /* _linux_osl_h_ */ |
