| /* |
| * 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_ |
| |
| #ifdef BRCM_FULLMAC |
| #include <typedefs.h> |
| #endif |
| |
| /* 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 uint32 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) */ |
| |
| #define OSL_DELAY(usec) osl_delay(usec) |
| extern void osl_delay(uint usec); |
| |
| #define OSL_PCMCIA_READ_ATTR(osh, offset, buf, size) \ |
| osl_pcmcia_read_attr((osh), (offset), (buf), (size)) |
| #define OSL_PCMCIA_WRITE_ATTR(osh, offset, buf, size) \ |
| osl_pcmcia_write_attr((osh), (offset), (buf), (size)) |
| extern void osl_pcmcia_read_attr(osl_t *osh, uint offset, void *buf, int size); |
| extern void osl_pcmcia_write_attr(osl_t *osh, uint offset, void *buf, |
| int size); |
| |
| /* 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 uint32 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 MALLOC(osh, size) osl_malloc((osh), (size)) |
| #define MFREE(osh, addr, size) osl_mfree((osh), (addr), (size)) |
| #define MALLOCED(osh) osl_malloced((osh)) |
| extern void *osl_malloc(osl_t *osh, uint size); |
| extern void osl_mfree(osl_t *osh, void *addr, uint size); |
| extern uint osl_malloced(osl_t *osh); |
| |
| #define NATIVE_MALLOC(osh, size) kmalloc(size, GFP_ATOMIC) |
| #define NATIVE_MFREE(osh, addr, size) kfree(addr) |
| #define MALLOC_FAILED(osh) osl_malloc_failed((osh)) |
| extern uint osl_malloc_failed(osl_t *osh); |
| |
| #ifdef BRCM_FULLMAC |
| #define DMA_CONSISTENT_ALIGN PAGE_SIZE |
| #define DMA_ALLOC_CONSISTENT(osh, size, pap, dmah, alignbits) \ |
| osl_dma_alloc_consistent((osh), (size), (pap)) |
| extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, ulong *pap); |
| #else |
| /* allocate/free shared (dma-able) consistent memory */ |
| #define DMA_CONSISTENT_ALIGN osl_dma_consistent_align() |
| #define DMA_ALLOC_CONSISTENT(osh, size, align, tot, pap, dmah) \ |
| osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap)) |
| extern uint osl_dma_consistent_align(void); |
| extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, uint16 align, |
| uint *tot, ulong *pap); |
| #endif |
| #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, ulong 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, (uintptr)(r), sizeof(*(r)), (v))) |
| #define OSL_READ_REG(osh, r) (bcmsdh_reg_read(NULL, (uintptr)(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() ((uint32)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(uint8) ? readb((volatile uint8*)(r)) : \ |
| sizeof(*(r)) == sizeof(uint16) ? readw((volatile uint16*)(r)) : \ |
| readl((volatile uint32*)(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(uint8): \ |
| __osl_v = readb((volatile uint8*)(r)); \ |
| break; \ |
| case sizeof(uint16): \ |
| __osl_v = readw((volatile uint16*)(r)); \ |
| break; \ |
| case sizeof(uint32): \ |
| __osl_v = \ |
| readl((volatile uint32*)(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(uint8): \ |
| writeb((uint8)(v), (volatile uint8*)(r)); break; \ |
| case sizeof(uint16): \ |
| writew((uint16)(v), (volatile uint16*)(r)); break; \ |
| case sizeof(uint32): \ |
| writel((uint32)(v), (volatile uint32*)(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(uint8): \ |
| __osl_v = \ |
| readb((volatile uint8*)((uintptr)(r)^3)); \ |
| break; \ |
| case sizeof(uint16): \ |
| __osl_v = \ |
| readw((volatile uint16*)((uintptr)(r)^2)); \ |
| break; \ |
| case sizeof(uint32): \ |
| __osl_v = readl((volatile uint32*)(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(uint8): \ |
| writeb((uint8)(v), \ |
| (volatile uint8*)((uintptr)(r)^3)); break; \ |
| case sizeof(uint16): \ |
| writew((uint16)(v), \ |
| (volatile uint16*)((uintptr)(r)^2)); break; \ |
| case sizeof(uint32): \ |
| writel((uint32)(v), \ |
| (volatile uint32*)(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 PKTDUP(osh, skb) osl_pktdup((osh), (skb)) |
| #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); |
| extern void *osl_pktdup(osl_t *osh, void *skb); |
| |
| #ifdef BRCM_FULLMAC |
| #ifdef DHD_USE_STATIC_BUF |
| #define PKTGET_STATIC(osh, len, send) osl_pktget_static((osh), (len)) |
| #define PKTFREE_STATIC(osh, skb, send) \ |
| osl_pktfree_static((osh), (skb), (send)) |
| #endif |
| 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_HW) |
| #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(uint8) ? osl_readb((osh), (volatile uint8*)(r)) : \ |
| sizeof(*(r)) == sizeof(uint16) ? osl_readw((osh), (volatile uint16*)(r)) : \ |
| osl_readl((osh), (volatile uint32*)(r)) \ |
| ) |
| #define RPC_WRITE_REG(osh, r, v) do { \ |
| switch (sizeof(*(r))) { \ |
| case sizeof(uint8): \ |
| osl_writeb((osh), (volatile uint8*)(r), (uint8)(v)); \ |
| break; \ |
| case sizeof(uint16): \ |
| osl_writew((osh), (volatile uint16*)(r), (uint16)(v)); \ |
| break; \ |
| case sizeof(uint32): \ |
| osl_writel((osh), (volatile uint32*)(r), (uint32)(v)); \ |
| break; \ |
| } \ |
| } while (0) |
| |
| extern uint8 osl_readb(osl_t *osh, volatile uint8 *r); |
| extern uint16 osl_readw(osl_t *osh, volatile uint16 *r); |
| extern uint32 osl_readl(osl_t *osh, volatile uint32 *r); |
| extern void osl_writeb(osl_t *osh, volatile uint8 *r, uint8 v); |
| extern void osl_writew(osl_t *osh, volatile uint16 *r, uint16 v); |
| extern void osl_writel(osl_t *osh, volatile uint32 *r, uint32 v); |
| #endif /* BCMSDIO */ |
| |
| #endif /* _linux_osl_h_ */ |