diff options
Diffstat (limited to 'drivers/staging/brcm80211/util/linux_osl.c')
| -rw-r--r-- | drivers/staging/brcm80211/util/linux_osl.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/drivers/staging/brcm80211/util/linux_osl.c b/drivers/staging/brcm80211/util/linux_osl.c deleted file mode 100644 index e6716e823baa..000000000000 --- a/drivers/staging/brcm80211/util/linux_osl.c +++ /dev/null @@ -1,231 +0,0 @@ -/* - * 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. - */ - -#include <linux/delay.h> -#include <linux/fs.h> -#ifdef mips -#include <asm/paccess.h> -#endif /* mips */ -#include <bcmendian.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 OS_HANDLE_MAGIC 0x1234abcd /* Magic # to recognise osh */ -#define BCM_MEM_FILENAME_LEN 24 /* Mem. filename length */ - -/* Global ASSERT type flag */ -u32 g_assert_type; - -struct osl_info *osl_attach(void *pdev, uint bustype) -{ - struct osl_info *osh; - - osh = kmalloc(sizeof(struct osl_info), GFP_ATOMIC); - ASSERT(osh); - - memset(osh, 0, sizeof(struct osl_info)); - - osh->magic = OS_HANDLE_MAGIC; - osh->pdev = pdev; - osh->bustype = bustype; - - switch (bustype) { - case PCI_BUS: - case SI_BUS: - case PCMCIA_BUS: - osh->mmbus = true; - break; - case JTAG_BUS: - case SDIO_BUS: - case USB_BUS: - case SPI_BUS: - case RPC_BUS: - osh->mmbus = false; - break; - default: - ASSERT(false); - break; - } - - return osh; -} - -void osl_detach(struct osl_info *osh) -{ - if (osh == NULL) - return; - - ASSERT(osh->magic == OS_HANDLE_MAGIC); - kfree(osh); -} - -struct sk_buff *BCMFASTPATH pkt_buf_get_skb(struct osl_info *osh, uint len) -{ - struct sk_buff *skb; - - skb = dev_alloc_skb(len); - if (skb) { - skb_put(skb, len); - skb->priority = 0; - - osh->pktalloced++; - } - - return skb; -} - -/* Free the driver packet. Free the tag if present */ -void BCMFASTPATH pkt_buf_free_skb(struct osl_info *osh, struct sk_buff *skb, bool send) -{ - struct sk_buff *nskb; - int nest = 0; - - ASSERT(skb); - - /* perversion: we use skb->next to chain multi-skb packets */ - while (skb) { - nskb = skb->next; - skb->next = NULL; - - 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->pktalloced--; - nest++; - skb = nskb; - } -} - -/* return bus # for the pci device pointed by osh->pdev */ -uint osl_pci_bus(struct osl_info *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(struct osl_info *osh) -{ - ASSERT(osh && (osh->magic == OS_HANDLE_MAGIC) && osh->pdev); - - return PCI_SLOT(((struct pci_dev *)osh->pdev)->devfn); -} - -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(PAGE_SIZE, align)) - size += align; - *alloced = size; - } - return pci_alloc_consistent(osh->pdev, size, (dma_addr_t *) pap); -} - -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(struct osl_info *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 BCMFASTPATH osl_dma_unmap(struct osl_info *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, (u32) pa, size, dir); -} - -#if defined(BCMDBG_ASSERT) -void osl_assert(char *exp, char *file, int line) -{ - char tempbuf[256]; - char *basename; - - basename = strrchr(file, '/'); - /* skip the '/' */ - if (basename) - basename++; - - if (!basename) - basename = file; - -#ifdef BCMDBG_ASSERT - snprintf(tempbuf, 256, - "assertion \"%s\" failed: file \"%s\", line %d\n", exp, - basename, line); - - /* Print assert message and give it time to be written to /var/log/messages */ - if (!in_interrupt()) { - const int delay = 3; - printk(KERN_ERR "%s", tempbuf); - printk(KERN_ERR "panic in %d seconds\n", delay); - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(delay * HZ); - } - - switch (g_assert_type) { - case 0: - panic(KERN_ERR "%s", tempbuf); - break; - case 1: - printk(KERN_ERR "%s", tempbuf); - BUG(); - break; - case 2: - printk(KERN_ERR "%s", tempbuf); - break; - default: - break; - } -#endif /* BCMDBG_ASSERT */ - -} -#endif /* defined(BCMDBG_ASSERT) */ - |