324 lines
10 KiB
C
324 lines
10 KiB
C
/*
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* Linux OS Independent Layer
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*
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* Copyright (C) 1999-2009, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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* $Id: linux_osl.h,v 13.131.30.5 2009/10/27 04:42:45 Exp $
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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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#include <linuxver.h>
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#ifdef __GNUC__
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#define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
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#if GCC_VERSION > 30100
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#define ASSERT(exp) do {} while (0)
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#else
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#define ASSERT(exp)
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#endif
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#endif
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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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#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(osl_t *osh, uint offset, void *buf, int size);
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extern void osl_pcmcia_write_attr(osl_t *osh, uint offset, void *buf, int size);
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#define OSL_PCI_READ_CONFIG(osh, offset, size) \
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osl_pci_read_config((osh), (offset), (size))
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#define OSL_PCI_WRITE_CONFIG(osh, offset, size, val) \
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osl_pci_write_config((osh), (offset), (size), (val))
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extern uint32 osl_pci_read_config(osl_t *osh, uint offset, uint size);
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extern void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val);
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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(osl_t *osh);
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extern uint osl_pci_slot(osl_t *osh);
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typedef struct {
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bool pkttag;
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uint pktalloced;
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bool mmbus;
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pktfree_cb_fn_t tx_fn;
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void *tx_ctx;
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} osl_pubinfo_t;
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extern osl_t *osl_attach(void *pdev, uint bustype, bool pkttag);
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extern void osl_detach(osl_t *osh);
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#define PKTFREESETCB(osh, _tx_fn, _tx_ctx) \
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do { \
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((osl_pubinfo_t*)osh)->tx_fn = _tx_fn; \
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((osl_pubinfo_t*)osh)->tx_ctx = _tx_ctx; \
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} while (0)
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#define BUS_SWAP32(v) (v)
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#define MALLOC(osh, size) osl_malloc((osh), (size))
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#define MFREE(osh, addr, size) osl_mfree((osh), (addr), (size))
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#define MALLOCED(osh) osl_malloced((osh))
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#define MALLOC_FAILED(osh) osl_malloc_failed((osh))
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extern void *osl_malloc(osl_t *osh, uint size);
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extern void osl_mfree(osl_t *osh, void *addr, uint size);
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extern uint osl_malloced(osl_t *osh);
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extern uint osl_malloc_failed(osl_t *osh);
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#define DMA_CONSISTENT_ALIGN PAGE_SIZE
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#define DMA_ALLOC_CONSISTENT(osh, size, pap, dmah, alignbits) \
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osl_dma_alloc_consistent((osh), (size), (pap))
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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_alloc_consistent(osl_t *osh, uint size, ulong *pap);
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extern void osl_dma_free_consistent(osl_t *osh, void *va, uint size, ulong pa);
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#define DMA_TX 1
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#define DMA_RX 2
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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(osl_t *osh, void *va, uint size, int direction);
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extern void osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction);
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#define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0)
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#include <bcmsdh.h>
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#define OSL_WRITE_REG(osh, r, v) (bcmsdh_reg_write(NULL, (uintptr)(r), sizeof(*(r)), (v)))
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#define OSL_READ_REG(osh, r) (bcmsdh_reg_read(NULL, (uintptr)(r), sizeof(*(r))))
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#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) if (((osl_pubinfo_t*)(osh))->mmbus) \
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mmap_op else bus_op
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#define SELECT_BUS_READ(osh, mmap_op, bus_op) (((osl_pubinfo_t*)(osh))->mmbus) ? \
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mmap_op : bus_op
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#ifndef printf
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#define printf(fmt, args...) printk(fmt, ## args)
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#endif
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#include <linux/kernel.h>
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#include <linux/string.h>
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#ifndef IL_BIGENDIAN
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#define R_REG(osh, r) (\
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SELECT_BUS_READ(osh, 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)), OSL_READ_REG(osh, r)) \
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)
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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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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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(OSL_WRITE_REG(osh, r, v))); \
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} while (0)
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#else
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#define R_REG(osh, r) (\
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SELECT_BUS_READ(osh, \
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({ \
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__typeof(*(r)) __osl_v; \
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switch (sizeof(*(r))) { \
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case sizeof(uint8): __osl_v = \
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readb((volatile uint8*)((uintptr)(r)^3)); break; \
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case sizeof(uint16): __osl_v = \
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readw((volatile uint16*)((uintptr)(r)^2)); break; \
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case sizeof(uint32): __osl_v = \
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readl((volatile uint32*)(r)); break; \
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} \
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__osl_v; \
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}), \
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OSL_READ_REG(osh, r)) \
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)
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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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case sizeof(uint8): writeb((uint8)(v), \
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(volatile uint8*)((uintptr)(r)^3)); break; \
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case sizeof(uint16): writew((uint16)(v), \
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(volatile uint16*)((uintptr)(r)^2)); break; \
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case sizeof(uint32): writel((uint32)(v), \
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(volatile uint32*)(r)); break; \
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}, \
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(OSL_WRITE_REG(osh, r, v))); \
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} while (0)
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#endif
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#define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v))
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#define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) | (v))
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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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#define OSL_UNCACHED(va) ((void*)va)
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#if 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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#define BUSPROBE(val, addr) ({ (val) = R_REG(NULL, (addr)); 0; })
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#if !defined(CONFIG_MMC_MSM7X00A)
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#define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size))
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#else
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#define REG_MAP(pa, size) (void *)(0)
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#endif
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#define REG_UNMAP(va) iounmap((va))
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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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#define PKTGET(osh, len, send) osl_pktget((osh), (len))
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#define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send))
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#ifdef DHD_USE_STATIC_BUF
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#define PKTGET_STATIC(osh, len, send) osl_pktget_static((osh), (len))
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#define PKTFREE_STATIC(osh, skb, send) osl_pktfree_static((osh), (skb), (send))
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#endif
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#define PKTDATA(osh, skb) (((struct sk_buff*)(skb))->data)
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#define PKTLEN(osh, skb) (((struct sk_buff*)(skb))->len)
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#define PKTHEADROOM(osh, skb) (PKTDATA(osh, skb)-(((struct sk_buff*)(skb))->head))
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#define PKTTAILROOM(osh, skb) ((((struct sk_buff*)(skb))->end)-(((struct sk_buff*)(skb))->tail))
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#define PKTNEXT(osh, skb) (((struct sk_buff*)(skb))->next)
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#define PKTSETNEXT(osh, skb, x) (((struct sk_buff*)(skb))->next = (struct sk_buff*)(x))
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#define PKTSETLEN(osh, skb, len) __skb_trim((struct sk_buff*)(skb), (len))
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#define PKTPUSH(osh, skb, bytes) skb_push((struct sk_buff*)(skb), (bytes))
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#define PKTPULL(osh, skb, bytes) skb_pull((struct sk_buff*)(skb), (bytes))
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#define PKTDUP(osh, skb) osl_pktdup((osh), (skb))
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#define PKTTAG(skb) ((void*)(((struct sk_buff*)(skb))->cb))
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#define PKTALLOCED(osh) ((osl_pubinfo_t *)(osh))->pktalloced
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#define PKTSETPOOL(osh, skb, x, y) do {} while (0)
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#define PKTPOOL(osh, skb) FALSE
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#define PKTPOOLLEN(osh, pktp) (0)
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#define PKTPOOLAVAIL(osh, pktp) (0)
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#define PKTPOOLADD(osh, pktp, p) BCME_ERROR
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#define PKTPOOLGET(osh, pktp) NULL
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#define PKTLIST_DUMP(osh, buf)
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extern void *osl_pktget(osl_t *osh, uint len);
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extern void osl_pktfree(osl_t *osh, void *skb, bool send);
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extern void *osl_pktget_static(osl_t *osh, uint len);
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extern void osl_pktfree_static(osl_t *osh, void *skb, bool send);
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extern void *osl_pktdup(osl_t *osh, void *skb);
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static INLINE void *
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osl_pkt_frmnative(osl_pubinfo_t *osh, struct sk_buff *skb)
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{
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struct sk_buff *nskb;
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if (osh->pkttag)
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bzero((void*)skb->cb, OSL_PKTTAG_SZ);
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for (nskb = skb; nskb; nskb = nskb->next) {
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osh->pktalloced++;
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}
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return (void *)skb;
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}
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#define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative(((osl_pubinfo_t *)osh), (struct sk_buff*)(skb))
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static INLINE struct sk_buff *
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osl_pkt_tonative(osl_pubinfo_t *osh, void *pkt)
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{
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struct sk_buff *nskb;
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if (osh->pkttag)
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bzero(((struct sk_buff*)pkt)->cb, OSL_PKTTAG_SZ);
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for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next) {
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osh->pktalloced--;
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}
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return (struct sk_buff *)pkt;
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}
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#define PKTTONATIVE(osh, pkt) osl_pkt_tonative((osl_pubinfo_t *)(osh), (pkt))
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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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#define PKTSUMNEEDED(skb) (((struct sk_buff*)(skb))->ip_summed == CHECKSUM_HW)
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#define PKTSETSUMGOOD(skb, x) (((struct sk_buff*)(skb))->ip_summed = \
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((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE))
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#define PKTSHARED(skb) (((struct sk_buff*)(skb))->cloned)
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#define OSL_ERROR(bcmerror) osl_error(bcmerror)
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extern int osl_error(int bcmerror);
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#define PKTBUFSZ 2048
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#define OSL_SYSUPTIME() ((uint32)jiffies * (1000 / HZ))
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#endif
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