| /* |
| * 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_ |
| |
| #include <linux/skbuff.h> |
| |
| extern struct osl_info *osl_attach(void *pdev, uint bustype); |
| extern void osl_detach(struct osl_info *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 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(struct osl_info *osh); |
| extern uint osl_pci_slot(struct osl_info *osh); |
| |
| #define PKTFREESETCB(osh, _tx_fn, _tx_ctx) \ |
| do { \ |
| ((struct osl_pubinfo *)osh)->tx_fn = _tx_fn; \ |
| ((struct osl_pubinfo *)osh)->tx_ctx = _tx_ctx; \ |
| } while (0) |
| |
| #define BUS_SWAP32(v) (v) |
| |
| extern void *osl_dma_alloc_consistent(struct osl_info *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(struct osl_info *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(struct osl_info *osh, void *va, uint size, |
| int direction); |
| extern void osl_dma_unmap(struct osl_info *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 (((struct osl_pubinfo *)(osh))->mmbus) \ |
| mmap_op else bus_op |
| #define SELECT_BUS_READ(osh, mmap_op, bus_op) \ |
| (((struct osl_pubinfo *)(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 |
| |
| /* 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 */ |
| |
| /* 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)) |
| |
| /* packet primitives */ |
| #define PKTGET(osh, len, send) osl_pktget((osh), (len)) |
| #define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send)) |
| |
| extern void *osl_pktget(struct osl_info *osh, uint len); |
| extern void osl_pktfree(struct osl_info *osh, void *skb, bool send); |
| |
| #ifdef BRCM_FULLMAC |
| static inline void * |
| osl_pkt_frmnative(struct osl_pubinfo *osh, struct sk_buff *skb) |
| { |
| struct sk_buff *nskb; |
| |
| for (nskb = skb; nskb; nskb = nskb->next) |
| osh->pktalloced++; |
| |
| return (void *)skb; |
| } |
| #define PKTFRMNATIVE(osh, skb) \ |
| osl_pkt_frmnative(((struct osl_pubinfo *)osh), (struct sk_buff*)(skb)) |
| |
| static inline struct sk_buff * |
| osl_pkt_tonative(struct osl_pubinfo *osh, void *pkt) |
| { |
| struct sk_buff *nskb; |
| |
| for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next) |
| osh->pktalloced--; |
| |
| return (struct sk_buff *)pkt; |
| } |
| #define PKTTONATIVE(osh, pkt) \ |
| osl_pkt_tonative((struct osl_pubinfo *)(osh), (pkt)) |
| #else /* !BRCM_FULLMAC */ |
| #define PKTSETSKIPCT(osh, skb) |
| #define PKTCLRSKIPCT(osh, skb) |
| #define PKTSKIPCT(osh, skb) |
| #endif /* BRCM_FULLMAC */ |
| |
| #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 */ |
| |
| #endif /* _linux_osl_h_ */ |