diff options
Diffstat (limited to 'drivers/staging/brcm80211/util/linux_osl.c')
| -rw-r--r-- | drivers/staging/brcm80211/util/linux_osl.c | 247 |
1 files changed, 27 insertions, 220 deletions
diff --git a/drivers/staging/brcm80211/util/linux_osl.c b/drivers/staging/brcm80211/util/linux_osl.c index 2bb5b8722df6..e6716e823baa 100644 --- a/drivers/staging/brcm80211/util/linux_osl.c +++ b/drivers/staging/brcm80211/util/linux_osl.c @@ -20,145 +20,57 @@ #include <asm/paccess.h> #endif /* mips */ #include <bcmendian.h> -#include <linuxver.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/netdevice.h> +#include <linux/sched.h> #include <bcmdefs.h> #include <osl.h> #include <bcmutils.h> #include <pcicfg.h> -#define PCI_CFG_RETRY 10 - #define OS_HANDLE_MAGIC 0x1234abcd /* Magic # to recognise osh */ #define BCM_MEM_FILENAME_LEN 24 /* Mem. filename length */ -struct osl_info { - osl_pubinfo_t pub; - uint magic; - void *pdev; - uint failed; - uint bustype; -}; - /* Global ASSERT type flag */ u32 g_assert_type; -#ifdef BRCM_FULLMAC -static s16 linuxbcmerrormap[] = { 0, /* 0 */ - -EINVAL, /* BCME_ERROR */ - -EINVAL, /* BCME_BADARG */ - -EINVAL, /* BCME_BADOPTION */ - -EINVAL, /* BCME_NOTUP */ - -EINVAL, /* BCME_NOTDOWN */ - -EINVAL, /* BCME_NOTAP */ - -EINVAL, /* BCME_NOTSTA */ - -EINVAL, /* BCME_BADKEYIDX */ - -EINVAL, /* BCME_RADIOOFF */ - -EINVAL, /* BCME_NOTBANDLOCKED */ - -EINVAL, /* BCME_NOCLK */ - -EINVAL, /* BCME_BADRATESET */ - -EINVAL, /* BCME_BADBAND */ - -E2BIG, /* BCME_BUFTOOSHORT */ - -E2BIG, /* BCME_BUFTOOLONG */ - -EBUSY, /* BCME_BUSY */ - -EINVAL, /* BCME_NOTASSOCIATED */ - -EINVAL, /* BCME_BADSSIDLEN */ - -EINVAL, /* BCME_OUTOFRANGECHAN */ - -EINVAL, /* BCME_BADCHAN */ - -EFAULT, /* BCME_BADADDR */ - -ENOMEM, /* BCME_NORESOURCE */ - -EOPNOTSUPP, /* BCME_UNSUPPORTED */ - -EMSGSIZE, /* BCME_BADLENGTH */ - -EINVAL, /* BCME_NOTREADY */ - -EPERM, /* BCME_NOTPERMITTED */ - -ENOMEM, /* BCME_NOMEM */ - -EINVAL, /* BCME_ASSOCIATED */ - -ERANGE, /* BCME_RANGE */ - -EINVAL, /* BCME_NOTFOUND */ - -EINVAL, /* BCME_WME_NOT_ENABLED */ - -EINVAL, /* BCME_TSPEC_NOTFOUND */ - -EINVAL, /* BCME_ACM_NOTSUPPORTED */ - -EINVAL, /* BCME_NOT_WME_ASSOCIATION */ - -EIO, /* BCME_SDIO_ERROR */ - -ENODEV, /* BCME_DONGLE_DOWN */ - -EINVAL, /* BCME_VERSION */ - -EIO, /* BCME_TXFAIL */ - -EIO, /* BCME_RXFAIL */ - -EINVAL, /* BCME_NODEVICE */ - -EINVAL, /* BCME_NMODE_DISABLED */ - -ENODATA, /* BCME_NONRESIDENT */ - -/* When an new error code is added to bcmutils.h, add os - * spcecific error translation here as well - */ -/* check if BCME_LAST changed since the last time this function was updated */ -#if BCME_LAST != -42 -#error "You need to add a OS error translation in the linuxbcmerrormap \ - for new error code defined in bcmutils.h" -#endif -}; - -/* translate bcmerrors into linux errors */ -int osl_error(int bcmerror) -{ - if (bcmerror > 0) - bcmerror = 0; - else if (bcmerror < BCME_LAST) - bcmerror = BCME_ERROR; - - /* Array bounds covered by ASSERT in osl_attach */ - return linuxbcmerrormap[-bcmerror]; -} -#endif /* BRCM_FULLMAC */ - -osl_t *osl_attach(void *pdev, uint bustype, bool pkttag) +struct osl_info *osl_attach(void *pdev, uint bustype) { - osl_t *osh; + struct osl_info *osh; - osh = kmalloc(sizeof(osl_t), GFP_ATOMIC); + osh = kmalloc(sizeof(struct osl_info), GFP_ATOMIC); ASSERT(osh); - bzero(osh, sizeof(osl_t)); - -#ifdef BRCM_FULLMAC - /* Check that error map has the right number of entries in it */ - ASSERT(ABS(BCME_LAST) == (ARRAY_SIZE(linuxbcmerrormap) - 1)); -#endif /* BRCM_FULLMAC */ + memset(osh, 0, sizeof(struct osl_info)); osh->magic = OS_HANDLE_MAGIC; - osh->failed = 0; osh->pdev = pdev; - osh->pub.pkttag = pkttag; osh->bustype = bustype; switch (bustype) { case PCI_BUS: case SI_BUS: case PCMCIA_BUS: - osh->pub.mmbus = true; + osh->mmbus = true; break; case JTAG_BUS: case SDIO_BUS: case USB_BUS: case SPI_BUS: case RPC_BUS: - osh->pub.mmbus = false; + osh->mmbus = false; break; default: ASSERT(false); break; } -#if defined(BCMDBG) && !defined(BRCM_FULLMAC) - if (pkttag) { - struct sk_buff *skb; - ASSERT(OSL_PKTTAG_SZ <= sizeof(skb->cb)); - } -#endif return osh; } -void osl_detach(osl_t *osh) +void osl_detach(struct osl_info *osh) { if (osh == NULL) return; @@ -167,8 +79,7 @@ void osl_detach(osl_t *osh) kfree(osh); } -/* Return a new packet. zero out pkttag */ -void *BCMFASTPATH osl_pktget(osl_t *osh, uint len) +struct sk_buff *BCMFASTPATH pkt_buf_get_skb(struct osl_info *osh, uint len) { struct sk_buff *skb; @@ -177,24 +88,20 @@ void *BCMFASTPATH osl_pktget(osl_t *osh, uint len) skb_put(skb, len); skb->priority = 0; - osh->pub.pktalloced++; + osh->pktalloced++; } - return (void *)skb; + return skb; } /* Free the driver packet. Free the tag if present */ -void BCMFASTPATH osl_pktfree(osl_t *osh, void *p, bool send) +void BCMFASTPATH pkt_buf_free_skb(struct osl_info *osh, struct sk_buff *skb, bool send) { - struct sk_buff *skb, *nskb; + struct sk_buff *nskb; int nest = 0; - skb = (struct sk_buff *)p; ASSERT(skb); - if (send && osh->pub.tx_fn) - osh->pub.tx_fn(osh->pub.tx_ctx, p, 0); - /* perversion: we use skb->next to chain multi-skb packets */ while (skb) { nskb = skb->next; @@ -211,63 +118,14 @@ void BCMFASTPATH osl_pktfree(osl_t *osh, void *p, bool send) */ dev_kfree_skb(skb); - osh->pub.pktalloced--; + osh->pktalloced--; nest++; skb = nskb; } } -u32 osl_pci_read_config(osl_t *osh, uint offset, uint size) -{ - uint val = 0; - uint retry = PCI_CFG_RETRY; - - ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC))); - - /* only 4byte access supported */ - ASSERT(size == 4); - - do { - pci_read_config_dword(osh->pdev, offset, &val); - if (val != 0xffffffff) - break; - } while (retry--); - -#ifdef BCMDBG - if (retry < PCI_CFG_RETRY) - printk("PCI CONFIG READ access to %d required %d retries\n", - offset, (PCI_CFG_RETRY - retry)); -#endif /* BCMDBG */ - - return val; -} - -void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val) -{ - uint retry = PCI_CFG_RETRY; - - ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC))); - - /* only 4byte access supported */ - ASSERT(size == 4); - - 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--); - -#if defined(BCMDBG) && !defined(BRCM_FULLMAC) - if (retry < PCI_CFG_RETRY) - printk("PCI CONFIG WRITE access to %d required %d retries\n", - offset, (PCI_CFG_RETRY - retry)); -#endif /* BCMDBG */ -} - /* return bus # for the pci device pointed by osh->pdev */ -uint osl_pci_bus(osl_t *osh) +uint osl_pci_bus(struct osl_info *osh) { ASSERT(osh && (osh->magic == OS_HANDLE_MAGIC) && osh->pdev); @@ -275,40 +133,37 @@ uint osl_pci_bus(osl_t *osh) } /* return slot # for the pci device pointed by osh->pdev */ -uint osl_pci_slot(osl_t *osh) +uint osl_pci_slot(struct osl_info *osh) { ASSERT(osh && (osh->magic == OS_HANDLE_MAGIC) && osh->pdev); return PCI_SLOT(((struct pci_dev *)osh->pdev)->devfn); } -uint osl_dma_consistent_align(void) -{ - return PAGE_SIZE; -} - -void *osl_dma_alloc_consistent(osl_t *osh, uint size, u16 align_bits, +void *osl_dma_alloc_consistent(struct osl_info *osh, uint size, u16 align_bits, uint *alloced, unsigned long *pap) { ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC))); if (align_bits) { u16 align = (1 << align_bits); - if (!IS_ALIGNED(DMA_CONSISTENT_ALIGN, align)) + if (!IS_ALIGNED(PAGE_SIZE, align)) size += align; *alloced = size; } return pci_alloc_consistent(osh->pdev, size, (dma_addr_t *) pap); } -void osl_dma_free_consistent(osl_t *osh, void *va, uint size, unsigned long pa) +void osl_dma_free_consistent(struct osl_info *osh, void *va, uint size, + unsigned long pa) { ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC))); pci_free_consistent(osh->pdev, size, va, (dma_addr_t) pa); } -uint BCMFASTPATH osl_dma_map(osl_t *osh, void *va, uint size, int direction) +uint BCMFASTPATH osl_dma_map(struct osl_info *osh, void *va, uint size, + int direction) { int dir; @@ -317,7 +172,8 @@ uint BCMFASTPATH osl_dma_map(osl_t *osh, void *va, uint size, int direction) return pci_map_single(osh->pdev, va, size, dir); } -void BCMFASTPATH osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction) +void BCMFASTPATH osl_dma_unmap(struct osl_info *osh, uint pa, uint size, + int direction) { int dir; @@ -373,52 +229,3 @@ void osl_assert(char *exp, char *file, int line) } #endif /* defined(BCMDBG_ASSERT) */ -#if defined(BCMSDIO) && !defined(BRCM_FULLMAC) -u8 osl_readb(osl_t *osh, volatile u8 *r) -{ - osl_rreg_fn_t rreg = ((osl_pubinfo_t *) osh)->rreg_fn; - void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx; - - return (u8) ((rreg) (ctx, (void *)r, sizeof(u8))); -} - -u16 osl_readw(osl_t *osh, volatile u16 *r) -{ - osl_rreg_fn_t rreg = ((osl_pubinfo_t *) osh)->rreg_fn; - void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx; - - return (u16) ((rreg) (ctx, (void *)r, sizeof(u16))); -} - -u32 osl_readl(osl_t *osh, volatile u32 *r) -{ - osl_rreg_fn_t rreg = ((osl_pubinfo_t *) osh)->rreg_fn; - void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx; - - return (u32) ((rreg) (ctx, (void *)r, sizeof(u32))); -} - -void osl_writeb(osl_t *osh, volatile u8 *r, u8 v) -{ - osl_wreg_fn_t wreg = ((osl_pubinfo_t *) osh)->wreg_fn; - void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx; - - ((wreg) (ctx, (void *)r, v, sizeof(u8))); -} - -void osl_writew(osl_t *osh, volatile u16 *r, u16 v) -{ - osl_wreg_fn_t wreg = ((osl_pubinfo_t *) osh)->wreg_fn; - void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx; - - ((wreg) (ctx, (void *)r, v, sizeof(u16))); -} - -void osl_writel(osl_t *osh, volatile u32 *r, u32 v) -{ - osl_wreg_fn_t wreg = ((osl_pubinfo_t *) osh)->wreg_fn; - void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx; - - ((wreg) (ctx, (void *)r, v, sizeof(u32))); -} -#endif /* BCMSDIO */ |