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/*
* 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_ */
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