diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/staging/brcm80211/include/osl.h | 209 |
1 files changed, 182 insertions, 27 deletions
diff --git a/drivers/staging/brcm80211/include/osl.h b/drivers/staging/brcm80211/include/osl.h index c0ebb3d97220..b28235618d8b 100644 --- a/drivers/staging/brcm80211/include/osl.h +++ b/drivers/staging/brcm80211/include/osl.h @@ -18,42 +18,197 @@ #define _osl_h_ /* osl handle type forward declaration */ -typedef struct osl_info osl_t; +struct osl_info { + uint pktalloced; /* Number of allocated packet buffers */ + bool mmbus; /* Bus supports memory-mapped registers */ + uint magic; + void *pdev; + uint bustype; +}; + typedef struct osl_dmainfo osldma_t; -#define OSL_PKTTAG_SZ 32 /* Size of PktTag */ -/* Drivers use PKTFREESETCB to register a callback function when a packet is freed by OSL */ -typedef void (*pktfree_cb_fn_t) (void *ctx, void *pkt, unsigned int status); +extern struct osl_info *osl_attach(void *pdev, uint bustype); +extern void osl_detach(struct osl_info *osh); -#ifdef BCMSDIO -/* Drivers use REGOPSSET() to register register read/write funcitons */ -typedef unsigned int (*osl_rreg_fn_t) (void *ctx, void *reg, unsigned int size); -typedef void (*osl_wreg_fn_t) (void *ctx, void *reg, unsigned int val, - unsigned int size); -#endif +extern u32 g_assert_type; -#include <linux_osl.h> +#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 +#define ASSERT(exp) do {} while (0) +#endif /* defined(BCMDBG_ASSERT) */ -/* -------------------------------------------------------------------------- -** Register manipulation macros. -*/ +/* 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 SET_REG(osh, r, mask, val) W_REG((osh), (r), ((R_REG((osh), r) & ~(mask)) | (val))) +#define BUS_SWAP32(v) (v) -#ifndef AND_REG -#define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v)) -#endif /* !AND_REG */ +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 */ -#ifndef OR_REG -#define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) | (v)) -#endif /* !OR_REG */ +#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); + +/* 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(OSL_SYSUPTIME) -#define OSL_SYSUPTIME() (0) -#define OSL_SYSUPTIME_SUPPORT false +#if defined(BCMSDIO) +#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) \ + if ((osh)->mmbus) \ + mmap_op else bus_op +#define SELECT_BUS_READ(osh, mmap_op, bus_op) \ + ((osh)->mmbus) ? mmap_op : bus_op #else -#define OSL_SYSUPTIME_SUPPORT true -#endif /* OSL_SYSUPTIME */ +#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 + +#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)) + +/* register access macros */ +#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 */ + +#define bcopy(src, dst, len) memcpy((dst), (src), (len)) + +/* packet primitives */ +extern struct sk_buff *pkt_buf_get_skb(struct osl_info *osh, uint len); +extern void pkt_buf_free_skb(struct osl_info *osh, struct sk_buff *skb, bool send); -#endif /* _osl_h_ */ +#endif /* _osl_h_ */ |