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* Copyright (c) 2010 Broadcom Corporation
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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/* osl handle type forward declaration */
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uint pktalloced; /* Number of allocated packet buffers */
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bool mmbus; /* Bus supports memory-mapped registers */
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typedef struct osl_dmainfo osldma_t;
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extern struct osl_info *osl_attach(void *pdev, uint bustype);
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extern void osl_detach(struct osl_info *osh);
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extern u32 g_assert_type;
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#if defined(BCMDBG_ASSERT)
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do { if (!(exp)) osl_assert(#exp, __FILE__, __LINE__); } while (0)
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extern void osl_assert(char *exp, char *file, int line);
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#define ASSERT(exp) do {} while (0)
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#endif /* defined(BCMDBG_ASSERT) */
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/* PCI device bus # and slot # */
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#define OSL_PCI_BUS(osh) osl_pci_bus(osh)
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#define OSL_PCI_SLOT(osh) osl_pci_slot(osh)
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extern uint osl_pci_bus(struct osl_info *osh);
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extern uint osl_pci_slot(struct osl_info *osh);
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#define BUS_SWAP32(v) (v)
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extern void *osl_dma_alloc_consistent(struct osl_info *osh, uint size,
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u16 align, uint *tot, unsigned long *pap);
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#define DMA_ALLOC_CONSISTENT(osh, size, pap, dmah, alignbits) \
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osl_dma_alloc_consistent((osh), (size), (0), (tot), (pap))
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#define DMA_ALLOC_CONSISTENT(osh, size, align, tot, pap, dmah) \
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osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap))
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#endif /* BRCM_FULLMAC */
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#define DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \
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osl_dma_free_consistent((osh), (void *)(va), (size), (pa))
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extern void osl_dma_free_consistent(struct osl_info *osh, void *va,
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uint size, unsigned long pa);
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/* map/unmap direction */
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#define DMA_TX 1 /* TX direction for DMA */
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#define DMA_RX 2 /* RX direction for DMA */
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/* map/unmap shared (dma-able) memory */
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#define DMA_MAP(osh, va, size, direction, p, dmah) \
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osl_dma_map((osh), (va), (size), (direction))
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#define DMA_UNMAP(osh, pa, size, direction, p, dmah) \
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osl_dma_unmap((osh), (pa), (size), (direction))
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extern uint osl_dma_map(struct osl_info *osh, void *va, uint size,
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extern void osl_dma_unmap(struct osl_info *osh, uint pa, uint size,
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/* register access macros */
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#define OSL_WRITE_REG(osh, r, v) \
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(bcmsdh_reg_write(NULL, (unsigned long)(r), sizeof(*(r)), (v)))
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#define OSL_READ_REG(osh, r) \
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(bcmsdh_reg_read(NULL, (unsigned long)(r), sizeof(*(r))))
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#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) \
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#define SELECT_BUS_READ(osh, mmap_op, bus_op) \
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((osh)->mmbus) ? mmap_op : bus_op
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#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) mmap_op
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#define SELECT_BUS_READ(osh, mmap_op, bus_op) mmap_op
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/* the largest reasonable packet buffer driver uses for ethernet MTU in bytes */
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#define PKTBUFSZ 2048
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#define OSL_SYSUPTIME() ((u32)jiffies * (1000 / HZ))
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#define printf(fmt, args...) printk(fmt , ## args)
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#include <linux/kernel.h> /* for vsn/printf's */
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#include <linux/string.h> /* for mem*, str* */
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/* bcopy's: Linux kernel doesn't provide these (anymore) */
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#define bcopy(src, dst, len) memcpy((dst), (src), (len))
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/* register access macros */
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#define R_REG(osh, r) (\
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SELECT_BUS_READ(osh, sizeof(*(r)) == sizeof(u8) ? \
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readb((volatile u8*)(r)) : \
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sizeof(*(r)) == sizeof(u16) ? readw((volatile u16*)(r)) : \
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readl((volatile u32*)(r)), OSL_READ_REG(osh, r)) \
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#define R_REG(osh, r) (\
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SELECT_BUS_READ(osh, \
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__typeof(*(r)) __osl_v; \
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__asm__ __volatile__("sync"); \
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switch (sizeof(*(r))) { \
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__osl_v = readb((volatile u8*)(r)); \
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__osl_v = readw((volatile u16*)(r)); \
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readl((volatile u32*)(r)); \
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__asm__ __volatile__("sync"); \
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__typeof(*(r)) __osl_v; \
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__asm__ __volatile__("sync"); \
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__osl_v = OSL_READ_REG(osh, r); \
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__asm__ __volatile__("sync"); \
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#endif /* __mips__ */
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#define W_REG(osh, r, v) do { \
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SELECT_BUS_WRITE(osh, \
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switch (sizeof(*(r))) { \
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writeb((u8)(v), (volatile u8*)(r)); break; \
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writew((u16)(v), (volatile u16*)(r)); break; \
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writel((u32)(v), (volatile u32*)(r)); break; \
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(OSL_WRITE_REG(osh, r, v))); \
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#else /* IL_BIGENDIAN */
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#define R_REG(osh, r) (\
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SELECT_BUS_READ(osh, \
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__typeof(*(r)) __osl_v; \
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switch (sizeof(*(r))) { \
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readb((volatile u8*)((r)^3)); \
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readw((volatile u16*)((r)^2)); \
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__osl_v = readl((volatile u32*)(r)); \
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OSL_READ_REG(osh, r)) \
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#define W_REG(osh, r, v) do { \
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SELECT_BUS_WRITE(osh, \
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switch (sizeof(*(r))) { \
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(volatile u8*)((r)^3)); break; \
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(volatile u16*)((r)^2)); break; \
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(volatile u32*)(r)); break; \
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(OSL_WRITE_REG(osh, r, v))); \
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#endif /* IL_BIGENDIAN */
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#define bcopy(src, dst, len) memcpy((dst), (src), (len))
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/* packet primitives */
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extern struct sk_buff *pkt_buf_get_skb(struct osl_info *osh, uint len);
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extern void pkt_buf_free_skb(struct osl_info *osh, struct sk_buff *skb, bool send);