diff options
Diffstat (limited to 'package/broadcom-wl/src/driver/linux_osl.c')
| -rw-r--r-- | package/broadcom-wl/src/driver/linux_osl.c | 889 |
1 files changed, 0 insertions, 889 deletions
diff --git a/package/broadcom-wl/src/driver/linux_osl.c b/package/broadcom-wl/src/driver/linux_osl.c deleted file mode 100644 index 467756b..0000000 --- a/package/broadcom-wl/src/driver/linux_osl.c +++ /dev/null @@ -1,889 +0,0 @@ -/* - * Linux OS Independent Layer - * - * Copyright 2007, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - */ - -#define LINUX_OSL - -#include <typedefs.h> -#include <bcmendian.h> -#include <linuxver.h> -#include <bcmdefs.h> -#include <osl.h> -#include "linux_osl.h" -#include "bcmutils.h" -#include <linux/delay.h> -#ifdef mips -#include <asm/paccess.h> -#endif /* mips */ -#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 */ - -typedef struct bcm_mem_link -{ - struct bcm_mem_link *prev; - struct bcm_mem_link *next; - uint size; - int line; - char file[BCM_MEM_FILENAME_LEN]; -} bcm_mem_link_t; - -#if 0 -struct osl_info -{ - osl_pubinfo_t pub; - uint magic; - void *pdev; - uint malloced; - uint failed; - uint bustype; - bcm_mem_link_t *dbgmem_list; -#ifdef BCMDBG_PKT /* pkt logging for debugging */ - pktlist_info_t pktlist; -#endif /* BCMDBG_PKT */ -}; -#endif - -static int16 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 */ -/* 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 != -37 -#error "You need to add a OS error translation in the linuxbcmerrormap \ - for new error code defined in bcmuitls.h" -#endif /* BCME_LAST != -37 */ -}; - -/* 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]; -} - -osl_t * -osl_attach (void *pdev, uint bustype, bool pkttag) -{ - osl_t *osh; - - osh = kmalloc (sizeof (osl_t), GFP_ATOMIC); - ASSERT (osh); - - bzero (osh, sizeof (osl_t)); - - /* Check that error map has the right number of entries in it */ - ASSERT (ABS (BCME_LAST) == (ARRAYSIZE (linuxbcmerrormap) - 1)); - - osh->magic = OS_HANDLE_MAGIC; - osh->malloced = 0; - osh->failed = 0; - osh->dbgmem_list = NULL; - osh->pdev = pdev; - osh->pub.pkttag = pkttag; - osh->bustype = bustype; - - switch (bustype) - { - case PCI_BUS: - case SB_BUS: - case PCMCIA_BUS: - osh->pub.mmbus = TRUE; - break; - case JTAG_BUS: - case SDIO_BUS: - break; - default: - ASSERT (FALSE); - break; - } - -#ifdef BCMDBG - if (pkttag) - { - struct sk_buff *skb; - ASSERT (OSL_PKTTAG_SZ <= sizeof (skb->cb)); - } -#endif - return osh; -} - -void -osl_detach (osl_t * osh) -{ - if (osh == NULL) - return; - - ASSERT (osh->magic == OS_HANDLE_MAGIC); - kfree (osh); -} - -/* Return a new packet. zero out pkttag */ -void * -osl_pktget (osl_t * osh, uint len) -{ - struct sk_buff *skb; - - if ((skb = dev_alloc_skb (len))) - { - skb_put (skb, len); - skb->priority = 0; - -#ifdef BCMDBG_PKT - pktlist_add (&(osh->pktlist), (void *) skb); -#endif /* BCMDBG_PKT */ - - osh->pub.pktalloced++; - } - - return ((void *) skb); -} - -/* Free the driver packet. Free the tag if present */ -void -osl_pktfree (osl_t * osh, void *p, bool send) -{ - struct sk_buff *skb, *nskb; - - skb = (struct sk_buff *) p; - - 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; - skb->next = NULL; - -#ifdef BCMDBG_PKT - pktlist_remove (&(osh->pktlist), (void *) skb); -#endif /* BCMDBG_PKT */ - - if (skb->destructor) - { - /* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if destructor exists - */ - dev_kfree_skb_any (skb); - } - else - { - /* can free immediately (even in_irq()) if destructor does not exist */ - dev_kfree_skb (skb); - } - - osh->pub.pktalloced--; - - skb = nskb; - } -} - -uint32 -osl_pci_read_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_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--); - -#ifdef BCMDBG - 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) -{ - ASSERT (osh && (osh->magic == OS_HANDLE_MAGIC) && osh->pdev); - - return ((struct pci_dev *) osh->pdev)->bus->number; -} - -/* return slot # for the pci device pointed by osh->pdev */ -uint -osl_pci_slot (osl_t * osh) -{ - ASSERT (osh && (osh->magic == OS_HANDLE_MAGIC) && osh->pdev); - - return PCI_SLOT (((struct pci_dev *) osh->pdev)->devfn); -} - -static void -osl_pcmcia_attr (osl_t * osh, uint offset, char *buf, int size, bool write) -{ -} - -void -osl_pcmcia_read_attr (osl_t * osh, uint offset, void *buf, int size) -{ - osl_pcmcia_attr (osh, offset, (char *) buf, size, FALSE); -} - -void -osl_pcmcia_write_attr (osl_t * osh, uint offset, void *buf, int size) -{ - osl_pcmcia_attr (osh, offset, (char *) buf, size, TRUE); -} - - -#ifdef BCMDBG_MEM - -void * -osl_debug_malloc (osl_t * osh, uint size, int line, char *file) -{ - bcm_mem_link_t *p; - char *basename; - - ASSERT (size); - - if ((p = - (bcm_mem_link_t *) osl_malloc (osh, - sizeof (bcm_mem_link_t) + size)) == - NULL) - return (NULL); - - p->size = size; - p->line = line; - - basename = strrchr (file, '/'); - /* skip the '/' */ - if (basename) - basename++; - - if (!basename) - basename = file; - - strncpy (p->file, basename, BCM_MEM_FILENAME_LEN); - p->file[BCM_MEM_FILENAME_LEN - 1] = '\0'; - - /* link this block */ - p->prev = NULL; - p->next = osh->dbgmem_list; - if (p->next) - p->next->prev = p; - osh->dbgmem_list = p; - - return p + 1; -} - -void -osl_debug_mfree (osl_t * osh, void *addr, uint size, int line, char *file) -{ - bcm_mem_link_t *p = - (bcm_mem_link_t *) ((int8 *) addr - sizeof (bcm_mem_link_t)); - - ASSERT ((osh && (osh->magic == OS_HANDLE_MAGIC))); - - if (p->size == 0) - { - printk - ("osl_debug_mfree: double free on addr %p size %d at line %d file %s\n", - addr, size, line, file); - ASSERT (p->size); - return; - } - - if (p->size != size) - { - printk - ("osl_debug_mfree: dealloc size %d does not match alloc size %d on addr %p" - " at line %d file %s\n", size, p->size, addr, line, file); - ASSERT (p->size == size); - return; - } - - /* unlink this block */ - if (p->prev) - p->prev->next = p->next; - if (p->next) - p->next->prev = p->prev; - if (osh->dbgmem_list == p) - osh->dbgmem_list = p->next; - p->next = p->prev = NULL; - - osl_mfree (osh, p, size + sizeof (bcm_mem_link_t)); -} - -int -osl_debug_memdump (osl_t * osh, struct bcmstrbuf *b) -{ - bcm_mem_link_t *p; - - ASSERT ((osh && (osh->magic == OS_HANDLE_MAGIC))); - - bcm_bprintf (b, " Address\tSize\tFile:line\n"); - for (p = osh->dbgmem_list; p; p = p->next) - bcm_bprintf (b, "0x%08x\t%5d\t%s:%d\n", - (uintptr) p + sizeof (bcm_mem_link_t), p->size, p->file, - p->line); - - return 0; -} - -#endif /* BCMDBG_MEM */ - -void * -osl_malloc (osl_t * osh, uint size) -{ - void *addr; - - /* only ASSERT if osh is defined */ - if (osh) - ASSERT (osh->magic == OS_HANDLE_MAGIC); - - if ((addr = kmalloc (size, GFP_ATOMIC)) == NULL) - { - if (osh) - osh->failed++; - return (NULL); - } - if (osh) - osh->malloced += size; - - return (addr); -} - -void -osl_mfree (osl_t * osh, void *addr, uint size) -{ - if (osh) - { - ASSERT (osh->magic == OS_HANDLE_MAGIC); - osh->malloced -= size; - } - kfree (addr); -} - -uint -osl_malloced (osl_t * osh) -{ - ASSERT ((osh && (osh->magic == OS_HANDLE_MAGIC))); - return (osh->malloced); -} - -uint -osl_malloc_failed (osl_t * osh) -{ - ASSERT ((osh && (osh->magic == OS_HANDLE_MAGIC))); - return (osh->failed); -} - -void * -osl_dma_alloc_consistent (osl_t * osh, uint size, ulong * pap) -{ - ASSERT ((osh && (osh->magic == OS_HANDLE_MAGIC))); - - return (pci_alloc_consistent (osh->pdev, size, (dma_addr_t *) pap)); -} - -void -osl_dma_free_consistent (osl_t * osh, void *va, uint size, ulong pa) -{ - ASSERT ((osh && (osh->magic == OS_HANDLE_MAGIC))); - - pci_free_consistent (osh->pdev, size, va, (dma_addr_t) pa); -} - -uint -osl_dma_map (osl_t * osh, void *va, uint size, int direction) -{ - int dir; - - ASSERT ((osh && (osh->magic == OS_HANDLE_MAGIC))); - dir = (direction == DMA_TX) ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE; - return (pci_map_single (osh->pdev, va, size, dir)); -} - -void -osl_dma_unmap (osl_t * osh, uint pa, uint size, int direction) -{ - int dir; - - ASSERT ((osh && (osh->magic == OS_HANDLE_MAGIC))); - dir = (direction == DMA_TX) ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE; - pci_unmap_single (osh->pdev, (uint32) pa, size, dir); -} - -#if defined(BINOSL) || defined(BCMDBG_ASSERT) -void -osl_assert (char *exp, char *file, int line) -{ - char tempbuf[255]; - - sprintf (tempbuf, "assertion \"%s\" failed: file \"%s\", line %d\n", exp, - file, line); - panic (tempbuf); -} -#endif /* BCMDBG_ASSERT || BINOSL */ - -void -osl_delay (uint usec) -{ - uint d; - - while (usec > 0) - { - d = MIN (usec, 1000); - udelay (d); - usec -= d; - } -} - -/* Clone a packet. - * The pkttag contents are NOT cloned. - */ -void * -osl_pktdup (osl_t * osh, void *skb) -{ - void *p; - - if ((p = skb_clone ((struct sk_buff *) skb, GFP_ATOMIC)) == NULL) - return NULL; - - /* skb_clone copies skb->cb.. we don't want that */ - if (osh->pub.pkttag) - bzero ((void *) ((struct sk_buff *) p)->cb, OSL_PKTTAG_SZ); - - /* Increment the packet counter */ - osh->pub.pktalloced++; -#ifdef BCMDBG_PKT - pktlist_add (&(osh->pktlist), (void *) p); -#endif /* BCMDBG_PKT */ - return (p); -} - -uint -osl_pktalloced (osl_t * osh) -{ - return (osh->pub.pktalloced); -} - -#ifdef BCMDBG_PKT -char * -osl_pktlist_dump (osl_t * osh, char *buf) -{ - pktlist_dump (&(osh->pktlist), buf); - return buf; -} - -void -osl_pktlist_add (osl_t * osh, void *p) -{ - pktlist_add (&(osh->pktlist), p); -} - -void -osl_pktlist_remove (osl_t * osh, void *p) -{ - pktlist_remove (&(osh->pktlist), p); -} -#endif /* BCMDBG_PKT */ - -/* - * BINOSL selects the slightly slower function-call-based binary compatible osl. - */ -#ifdef BINOSL - -int -osl_printf (const char *format, ...) -{ - va_list args; - char buf[1024]; - int len; - - /* sprintf into a local buffer because there *is* no "vprintk()".. */ - va_start (args, format); - len = vsnprintf (buf, 1024, format, args); - va_end (args); - - if (len > sizeof (buf)) - { - printk ("osl_printf: buffer overrun\n"); - return (0); - } - - return (printk (buf)); -} - -int -osl_sprintf (char *buf, const char *format, ...) -{ - va_list args; - int rc; - - va_start (args, format); - rc = vsprintf (buf, format, args); - va_end (args); - return (rc); -} - -int -osl_strcmp (const char *s1, const char *s2) -{ - return (strcmp (s1, s2)); -} - -int -osl_strncmp (const char *s1, const char *s2, uint n) -{ - return (strncmp (s1, s2, n)); -} - -int -osl_strlen (const char *s) -{ - return (strlen (s)); -} - -char * -osl_strcpy (char *d, const char *s) -{ - return (strcpy (d, s)); -} - -char * -osl_strncpy (char *d, const char *s, uint n) -{ - return (strncpy (d, s, n)); -} - -void -bcopy (const void *src, void *dst, int len) -{ - memcpy (dst, src, len); -} - -int -bcmp (const void *b1, const void *b2, int len) -{ - return (memcmp (b1, b2, len)); -} - -void -bzero (void *b, int len) -{ - memset (b, '\0', len); -} - -uint32 -osl_readl (volatile uint32 * r) -{ - return (readl (r)); -} - -uint16 -osl_readw (volatile uint16 * r) -{ - return (readw (r)); -} - -uint8 -osl_readb (volatile uint8 * r) -{ - return (readb (r)); -} - -void -osl_writel (uint32 v, volatile uint32 * r) -{ - writel (v, r); -} - -void -osl_writew (uint16 v, volatile uint16 * r) -{ - writew (v, r); -} - -void -osl_writeb (uint8 v, volatile uint8 * r) -{ - writeb (v, r); -} - -void * -osl_uncached (void *va) -{ -#ifdef mips - return ((void *) KSEG1ADDR (va)); -#else - return ((void *) va); -#endif /* mips */ -} - -uint -osl_getcycles (void) -{ - uint cycles; - -#if defined(mips) - cycles = read_c0_count () * 2; -#elif defined(__i386__) - rdtscl (cycles); -#else - cycles = 0; -#endif /* defined(mips) */ - return cycles; -} - -void * -osl_reg_map (uint32 pa, uint size) -{ - return (ioremap_nocache ((unsigned long) pa, (unsigned long) size)); -} - -void -osl_reg_unmap (void *va) -{ - iounmap (va); -} - -int -osl_busprobe (uint32 * val, uint32 addr) -{ -#ifdef mips - return get_dbe (*val, (uint32 *) addr); -#else - *val = readl ((uint32 *) (uintptr) addr); - return 0; -#endif /* mips */ -} - -bool -osl_pktshared (void *skb) -{ - return (((struct sk_buff *) skb)->cloned); -} - -uchar * -osl_pktdata (osl_t * osh, void *skb) -{ - return (((struct sk_buff *) skb)->data); -} - -uint -osl_pktlen (osl_t * osh, void *skb) -{ - return (((struct sk_buff *) skb)->len); -} - -uint -osl_pktheadroom (osl_t * osh, void *skb) -{ - return (uint) skb_headroom ((struct sk_buff *) skb); -} - -uint -osl_pkttailroom (osl_t * osh, void *skb) -{ - return (uint) skb_tailroom ((struct sk_buff *) skb); -} - -void * -osl_pktnext (osl_t * osh, void *skb) -{ - return (((struct sk_buff *) skb)->next); -} - -void -osl_pktsetnext (void *skb, void *x) -{ - ((struct sk_buff *) skb)->next = (struct sk_buff *) x; -} - -void -osl_pktsetlen (osl_t * osh, void *skb, uint len) -{ - __skb_trim ((struct sk_buff *) skb, len); -} - -uchar * -osl_pktpush (osl_t * osh, void *skb, int bytes) -{ - return (skb_push ((struct sk_buff *) skb, bytes)); -} - -uchar * -osl_pktpull (osl_t * osh, void *skb, int bytes) -{ - return (skb_pull ((struct sk_buff *) skb, bytes)); -} - -void * -osl_pkttag (void *skb) -{ - return ((void *) (((struct sk_buff *) skb)->cb)); -} - -void * -osl_pktlink (void *skb) -{ - return (((struct sk_buff *) skb)->prev); -} - -void -osl_pktsetlink (void *skb, void *x) -{ - ((struct sk_buff *) skb)->prev = (struct sk_buff *) x; -} - -uint -osl_pktprio (void *skb) -{ - return (((struct sk_buff *) skb)->priority); -} - -void -osl_pktsetprio (void *skb, uint x) -{ - ((struct sk_buff *) skb)->priority = x; -} - -/* Convert a driver packet to native(OS) packet - * In the process, packettag is zeroed out before sending up - * IP code depends on skb->cb to be setup correctly with various options - * In our case, that means it should be 0 - */ -struct sk_buff * -osl_pkt_tonative (osl_t * osh, void *pkt) -{ - struct sk_buff *nskb; - - if (osh->pub.pkttag) - bzero ((void *) ((struct sk_buff *) pkt)->cb, OSL_PKTTAG_SZ); - - /* Decrement the packet counter */ - for (nskb = (struct sk_buff *) pkt; nskb; nskb = nskb->next) - { -#ifdef BCMDBG_PKT - pktlist_remove (&(osh->pktlist), (void *) nskb); -#endif /* BCMDBG_PKT */ - osh->pub.pktalloced--; - } - - return (struct sk_buff *) pkt; -} - -/* Convert a native(OS) packet to driver packet. - * In the process, native packet is destroyed, there is no copying - * Also, a packettag is zeroed out - */ -void * -osl_pkt_frmnative (osl_t * osh, struct sk_buff *skb) -{ - struct sk_buff *nskb; - - if (osh->pub.pkttag) - bzero ((void *) skb->cb, OSL_PKTTAG_SZ); - - /* Increment the packet counter */ - for (nskb = skb; nskb; nskb = nskb->next) - { -#ifdef BCMDBG_PKT - pktlist_add (&(osh->pktlist), (void *) nskb); -#endif /* BCMDBG_PKT */ - osh->pub.pktalloced++; - } - - return (void *) skb; -} - -#endif /* BINOSL */ |