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#ifndef __osl_h
#define __osl_h
#include <linux/delay.h>
#include <typedefs.h>
#include <linuxver.h>
#include <pcicfg.h>
#define ASSERT(n)
#ifndef ABS
#define ABS(a) (((a) < 0)?-(a):(a))
#endif /* ABS */
#ifndef MIN
#define MIN(a, b) (((a) < (b))?(a):(b))
#endif /* MIN */
#ifndef MAX
#define MAX(a, b) (((a) > (b))?(a):(b))
#endif /* MAX */
#define CEIL(x, y) (((x) + ((y)-1)) / (y))
#define ROUNDUP(x, y) ((((x)+((y)-1))/(y))*(y))
#define ISALIGNED(a, x) (((a) & ((x)-1)) == 0)
#define ISPOWEROF2(x) ((((x)-1)&(x)) == 0)
#define VALID_MASK(mask) !((mask) & ((mask) + 1))
#ifndef OFFSETOF
#define OFFSETOF(type, member) ((uint)(uintptr)&((type *)0)->member)
#endif /* OFFSETOF */
#ifndef ARRAYSIZE
#define ARRAYSIZE(a) (sizeof(a)/sizeof(a[0]))
#endif
/*
* Spin at most 'us' microseconds while 'exp' is true.
* Caller should explicitly test 'exp' when this completes
* and take appropriate error action if 'exp' is still true.
*/
#define SPINWAIT(exp, us) { \
uint countdown = (us) + 9; \
while ((exp) && (countdown >= 10)) {\
OSL_DELAY(10); \
countdown -= 10; \
} \
}
typedef void (*pktfree_cb_fn_t)(void *ctx, void *pkt, unsigned int status);
/* 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 */
} osl_pubinfo_t;
struct osl_info {
osl_pubinfo_t pub;
uint magic;
void *pdev;
uint malloced;
uint failed;
uint bustype;
void *dbgmem_list;
};
typedef struct osl_info osl_t;
#define PCI_CFG_RETRY 10
/* map/unmap direction */
#define DMA_TX 1 /* TX direction for DMA */
#define DMA_RX 2 /* RX direction for DMA */
#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))
#define SET_REG(osh, r, mask, val) W_REG((osh), (r), ((R_REG((osh), r) & ~(mask)) | (val)))
/* bcopy, bcmp, and bzero */
#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 virtual address */
#ifdef mips
#define OSL_UNCACHED(va) KSEG1ADDR((va))
#include <asm/addrspace.h>
#else
#define OSL_UNCACHED(va) (va)
#endif /* mips */
#ifndef IL_BIGENDIAN
#define R_REG(osh, r) (\
sizeof(*(r)) == sizeof(uint8) ? readb((volatile uint8*)(r)) : \
sizeof(*(r)) == sizeof(uint16) ? readw((volatile uint16*)(r)) : \
readl((volatile uint32*)(r)) \
)
#define W_REG(osh, r, v) do { \
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; \
} \
} while (0)
#else /* IL_BIGENDIAN */
#define R_REG(osh, r) ({ \
__typeof(*(r)) __osl_v; \
switch (sizeof(*(r))) { \
case sizeof(uint8): __osl_v = readb((volatile uint8*)((uint32)r^3)); break; \
case sizeof(uint16): __osl_v = readw((volatile uint16*)((uint32)r^2)); break; \
case sizeof(uint32): __osl_v = readl((volatile uint32*)(r)); break; \
} \
__osl_v; \
})
#define W_REG(osh, r, v) do { \
switch (sizeof(*(r))) { \
case sizeof(uint8): writeb((uint8)(v), (volatile uint8*)((uint32)r^3)); break; \
case sizeof(uint16): writew((uint16)(v), (volatile uint16*)((uint32)r^2)); break; \
case sizeof(uint32): writel((uint32)(v), (volatile uint32*)(r)); break; \
} \
} while (0)
#endif /* IL_BIGENDIAN */
/* dereference an address that may cause a bus exception */
#define BUSPROBE(val, addr) get_dbe((val), (addr))
#include <asm/paccess.h>
/* map/unmap physical to virtual I/O */
#define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size))
#define REG_UNMAP(va) iounmap((void *)(va))
/* shared (dma-able) memory access macros */
#define R_SM(r) *(r)
#define W_SM(r, v) (*(r) = (v))
#define BZERO_SM(r, len) memset((r), '\0', (len))
#define MALLOC(osh, size) kmalloc((size), GFP_ATOMIC)
#define MFREE(osh, addr, size) kfree((addr))
#define MALLOCED(osh) (0)
#define OSL_DELAY _osl_delay
static inline void _osl_delay(uint usec)
{
uint d;
while (usec > 0) {
d = MIN(usec, 1000);
udelay(d);
usec -= d;
}
}
static inline void
bcm_mdelay(uint ms)
{
uint i;
for (i = 0; i < ms; i++) {
OSL_DELAY(1000);
}
}
#define OSL_PCMCIA_READ_ATTR(osh, offset, buf, size)
#define OSL_PCMCIA_WRITE_ATTR(osh, offset, buf, size)
#define OSL_PCI_READ_CONFIG(osh, offset, size) \
_osl_pci_read_config((osh), (offset), (size))
static inline uint32
_osl_pci_read_config(osl_t *osh, uint offset, uint size)
{
uint val;
uint retry = PCI_CFG_RETRY;
do {
pci_read_config_dword(osh->pdev, offset, &val);
if (val != 0xffffffff)
break;
} while (retry--);
return (val);
}
#define OSL_PCI_WRITE_CONFIG(osh, offset, size, val) \
_osl_pci_write_config((osh), (offset), (size), (val))
static inline void
_osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val)
{
uint retry = PCI_CFG_RETRY;
do {
pci_write_config_dword(osh->pdev, offset, val);
if (offset != PCI_BAR0_WIN)
break;
if (_osl_pci_read_config(osh, offset, size) == val)
break;
} while (retry--);
}
/* return bus # for the pci device pointed by osh->pdev */
#define OSL_PCI_BUS(osh) _osl_pci_bus(osh)
static inline uint
_osl_pci_bus(osl_t *osh)
{
return ((struct pci_dev *)osh->pdev)->bus->number;
}
/* return slot # for the pci device pointed by osh->pdev */
#define OSL_PCI_SLOT(osh) _osl_pci_slot(osh)
static inline uint
_osl_pci_slot(osl_t *osh)
{
return PCI_SLOT(((struct pci_dev *)osh->pdev)->devfn);
}
#endif
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