[deliverable/linux.git] / drivers / staging / brcm80211 / util / linux_osl.c

/*
 * 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 <typedefs.h>
#include <bcmendian.h>
#include <linuxver.h>
#include <bcmdefs.h>
#include <osl.h>
#include <bcmutils.h>
#include <linux/delay.h>
#ifdef mips
#include <asm/paccess.h>
#endif				/* mips */
#include <pcicfg.h>

#include <linux/fs.h>

#define PCI_CFG_RETRY 		10

#define OS_HANDLE_MAGIC		0x1234abcd	/* Magic # to recognise osh */
#define BCM_MEM_FILENAME_LEN 	24	/* Mem. filename length */

#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
#define MAX_STATIC_BUF_NUM 16
#define STATIC_BUF_SIZE	(PAGE_SIZE*2)
#define STATIC_BUF_TOTAL_LEN (MAX_STATIC_BUF_NUM*STATIC_BUF_SIZE)
typedef struct bcm_static_buf {
	struct semaphore static_sem;
	unsigned char *buf_ptr;
	unsigned char buf_use[MAX_STATIC_BUF_NUM];
} bcm_static_buf_t;

static bcm_static_buf_t *bcm_static_buf = 0;

#define MAX_STATIC_PKT_NUM 8
typedef struct bcm_static_pkt {
	struct sk_buff *skb_4k[MAX_STATIC_PKT_NUM];
	struct sk_buff *skb_8k[MAX_STATIC_PKT_NUM];
	struct semaphore osl_pkt_sem;
	unsigned char pkt_use[MAX_STATIC_PKT_NUM * 2];
} bcm_static_pkt_t;
static bcm_static_pkt_t *bcm_static_skb = 0;
#endif				/* DHD_USE_STATIC_BUF */
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;

struct osl_info {
	osl_pubinfo_t pub;
	uint magic;
	void *pdev;
	uint malloced;
	uint failed;
	uint bustype;
	bcm_mem_link_t *dbgmem_list;
};

/* Global ASSERT type flag */
uint32 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)
{
	osl_t *osh;

	osh = kmalloc(sizeof(osl_t), 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) == (ARRAYSIZE(linuxbcmerrormap) - 1));
#endif /* BRCM_FULLMAC */

	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 SI_BUS:
	case PCMCIA_BUS:
		osh->pub.mmbus = TRUE;
		break;
	case JTAG_BUS:
	case SDIO_BUS:
	case USB_BUS:
	case SPI_BUS:
	case RPC_BUS:
		osh->pub.mmbus = FALSE;
		break;
	default:
		ASSERT(FALSE);
		break;
	}

#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
	if (!bcm_static_buf) {
		if (!(bcm_static_buf =
		     (bcm_static_buf_t *) dhd_os_prealloc(3,
			  STATIC_BUF_SIZE + STATIC_BUF_TOTAL_LEN))) {
			printk(KERN_ERR "can not alloc static buf!\n");
		} else
			printk(KERN_ERR "alloc static buf at %x!\n",
			       (unsigned int)bcm_static_buf);

		init_MUTEX(&bcm_static_buf->static_sem);

		bcm_static_buf->buf_ptr =
		    (unsigned char *)bcm_static_buf + STATIC_BUF_SIZE;

	}

	if (!bcm_static_skb) {
		int i;
		void *skb_buff_ptr = 0;
		bcm_static_skb =
		    (bcm_static_pkt_t *) ((char *)bcm_static_buf + 2048);
		skb_buff_ptr = dhd_os_prealloc(4, 0);

		bcopy(skb_buff_ptr, bcm_static_skb,
		      sizeof(struct sk_buff *) * 16);
		for (i = 0; i < MAX_STATIC_PKT_NUM * 2; i++)
			bcm_static_skb->pkt_use[i] = 0;

		init_MUTEX(&bcm_static_skb->osl_pkt_sem);
	}
#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */

#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)
{
	if (osh == NULL)
		return;

#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
	if (bcm_static_buf)
		bcm_static_buf = 0;

	if (bcm_static_skb)
		bcm_static_skb = 0;
#endif
	ASSERT(osh->magic == OS_HANDLE_MAGIC);
	kfree(osh);
}

/* Return a new packet. zero out pkttag */
void *BCMFASTPATH osl_pktget(osl_t *osh, uint len)
{
	struct sk_buff *skb;

	skb = dev_alloc_skb(len);
	if (skb) {
		skb_put(skb, len);
		skb->priority = 0;

		osh->pub.pktalloced++;
	}

	return (void *)skb;
}

/* Free the driver packet. Free the tag if present */
void BCMFASTPATH osl_pktfree(osl_t *osh, void *p, bool send)
{
	struct sk_buff *skb, *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;
		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->pub.pktalloced--;
		nest++;
		skb = nskb;
	}
}

#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
void *osl_pktget_static(osl_t *osh, uint len)
{
	int i = 0;
	struct sk_buff *skb;

	if (len > (PAGE_SIZE * 2)) {
		printk(KERN_ERR "Do we really need this big skb??\n");
		return osl_pktget(osh, len);
	}

	down(&bcm_static_skb->osl_pkt_sem);
	if (len <= PAGE_SIZE) {
		for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
			if (bcm_static_skb->pkt_use[i] == 0)
				break;
		}

		if (i != MAX_STATIC_PKT_NUM) {
			bcm_static_skb->pkt_use[i] = 1;
			up(&bcm_static_skb->osl_pkt_sem);

			skb = bcm_static_skb->skb_4k[i];
			skb->tail = skb->data + len;
			skb->len = len;

			return skb;
		}
	}

	for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
		if (bcm_static_skb->pkt_use[i + MAX_STATIC_PKT_NUM] == 0)
			break;
	}

	if (i != MAX_STATIC_PKT_NUM) {
		bcm_static_skb->pkt_use[i + MAX_STATIC_PKT_NUM] = 1;
		up(&bcm_static_skb->osl_pkt_sem);
		skb = bcm_static_skb->skb_8k[i];
		skb->tail = skb->data + len;
		skb->len = len;

		return skb;
	}

	up(&bcm_static_skb->osl_pkt_sem);
	printk(KERN_ERR "all static pkt in use!\n");
	return osl_pktget(osh, len);
}

void osl_pktfree_static(osl_t *osh, void *p, bool send)
{
	int i;

	for (i = 0; i < MAX_STATIC_PKT_NUM * 2; i++) {
		if (p == bcm_static_skb->skb_4k[i]) {
			down(&bcm_static_skb->osl_pkt_sem);
			bcm_static_skb->pkt_use[i] = 0;
			up(&bcm_static_skb->osl_pkt_sem);

			return;
		}
	}
	return osl_pktfree(osh, p, send);
}
#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */

uint32 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)
{
	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);
}

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 defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
		if (bcm_static_buf) {
			int i = 0;
			if ((size >= PAGE_SIZE) && (size <= STATIC_BUF_SIZE)) {
				down(&bcm_static_buf->static_sem);
				for (i = 0; i < MAX_STATIC_BUF_NUM; i++) {
					if (bcm_static_buf->buf_use[i] == 0)
						break;
				}
				if (i == MAX_STATIC_BUF_NUM) {
					up(&bcm_static_buf->static_sem);
					printk(KERN_ERR "all static buff in use!\n");
					goto original;
				}
				bcm_static_buf->buf_use[i] = 1;
				up(&bcm_static_buf->static_sem);

				bzero(bcm_static_buf->buf_ptr + STATIC_BUF_SIZE * i,
					  size);
				if (osh)
					osh->malloced += size;

				return (void *)(bcm_static_buf->buf_ptr +
						 STATIC_BUF_SIZE * i);
			}
		}
	original:
#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */

	addr = kmalloc(size, GFP_ATOMIC);
	if (addr == 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 defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
	if (bcm_static_buf) {
		if ((addr > (void *)bcm_static_buf) && ((unsigned char *)addr
				<= ((unsigned char *)
				    bcm_static_buf +
				    STATIC_BUF_TOTAL_LEN))) {
			int buf_idx = 0;
			buf_idx =
			    ((unsigned char *)addr -
			     bcm_static_buf->buf_ptr) / STATIC_BUF_SIZE;
			down(&bcm_static_buf->static_sem);
			bcm_static_buf->buf_use[buf_idx] = 0;
			up(&bcm_static_buf->static_sem);

			if (osh) {
				ASSERT(osh->magic == OS_HANDLE_MAGIC);
				osh->malloced -= size;
			}
			return;
		}
	}
#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
	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_dma_consistent_align(void)
{
	return PAGE_SIZE;
}

#ifdef BRCM_FULLMAC
void *osl_dma_alloc_consistent(osl_t *osh, uint size, unsigned long *pap)
{
	ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));

	return pci_alloc_consistent(osh->pdev, size, (dma_addr_t *) pap);
}
#else /* !BRCM_FULLMAC */
void *osl_dma_alloc_consistent(osl_t *osh, uint size, u16 align_bits,
			       uint *alloced, unsigned long *pap)
{
	u16 align = (1 << align_bits);
	ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));

	if (!ISALIGNED(DMA_CONSISTENT_ALIGN, align))
		size += align;
	*alloced = size;

	return pci_alloc_consistent(osh->pdev, size, (dma_addr_t *) pap);
}
#endif /* BRCM_FULLMAC */

void osl_dma_free_consistent(osl_t *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)
{
	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(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(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) */

void osl_delay(uint usec)
{
	uint d;

	while (usec > 0) {
		d = MIN(usec, 1000);
		udelay(d);
		usec -= d;
	}
}

#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)));
}

uint32 osl_readl(osl_t *osh, volatile uint32 *r)
{
	osl_rreg_fn_t rreg = ((osl_pubinfo_t *) osh)->rreg_fn;
	void *ctx = ((osl_pubinfo_t *) osh)->reg_ctx;

	return (uint32) ((rreg) (ctx, (void *)r, sizeof(uint32)));
}

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 uint32 *r, uint32 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(uint32)));
}
#endif	/* BCMSDIO */
Commit	Line	Data
a9533e7e HP	1	/*
	2	* Copyright (c) 2010 Broadcom Corporation
	3	*
	4	* Permission to use, copy, modify, and/or distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice appear in all copies.
	7	*
	8	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	9	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	10	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
	11	* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
	13	* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
	14	* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
	16
	17	#include <typedefs.h>
	18	#include <bcmendian.h>
	19	#include <linuxver.h>
	20	#include <bcmdefs.h>
	21	#include <osl.h>
	22	#include <bcmutils.h>
	23	#include <linux/delay.h>
	24	#ifdef mips
	25	#include <asm/paccess.h>
	26	#endif /* mips */
	27	#include <pcicfg.h>
	28
	29	#include <linux/fs.h>
	30
	31	#define PCI_CFG_RETRY 10
	32
	33	#define OS_HANDLE_MAGIC 0x1234abcd /* Magic # to recognise osh */
	34	#define BCM_MEM_FILENAME_LEN 24 /* Mem. filename length */
	35
588abaa6	36	#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
194c6072	37	#define MAX_STATIC_BUF_NUM 16
	38	#define STATIC_BUF_SIZE (PAGE_SIZE*2)
	39	#define STATIC_BUF_TOTAL_LEN (MAX_STATIC_BUF_NUM*STATIC_BUF_SIZE)
	40	typedef struct bcm_static_buf {
	41	struct semaphore static_sem;
	42	unsigned char *buf_ptr;
	43	unsigned char buf_use[MAX_STATIC_BUF_NUM];
	44	} bcm_static_buf_t;
	45
	46	static bcm_static_buf_t *bcm_static_buf = 0;
	47
	48	#define MAX_STATIC_PKT_NUM 8
	49	typedef struct bcm_static_pkt {
	50	struct sk_buff *skb_4k[MAX_STATIC_PKT_NUM];
	51	struct sk_buff *skb_8k[MAX_STATIC_PKT_NUM];
	52	struct semaphore osl_pkt_sem;
	53	unsigned char pkt_use[MAX_STATIC_PKT_NUM * 2];
	54	} bcm_static_pkt_t;
	55	static bcm_static_pkt_t *bcm_static_skb = 0;
	56	#endif /* DHD_USE_STATIC_BUF */
a9533e7e HP	57	typedef struct bcm_mem_link {
	58	struct bcm_mem_link *prev;
	59	struct bcm_mem_link *next;
	60	uint size;
	61	int line;
	62	char file[BCM_MEM_FILENAME_LEN];
	63	} bcm_mem_link_t;
	64
	65	struct osl_info {
	66	osl_pubinfo_t pub;
	67	uint magic;
	68	void *pdev;
	69	uint malloced;
	70	uint failed;
	71	uint bustype;
	72	bcm_mem_link_t *dbgmem_list;
	73	};
	74
	75	/* Global ASSERT type flag */
e4e4d21f	76	uint32 g_assert_type;
a9533e7e	77
588abaa6	78	#ifdef BRCM_FULLMAC
e59fe083	79	static s16 linuxbcmerrormap[] = { 0, /* 0 */
a9533e7e HP	80	-EINVAL, /* BCME_ERROR */
	81	-EINVAL, /* BCME_BADARG */
	82	-EINVAL, /* BCME_BADOPTION */
	83	-EINVAL, /* BCME_NOTUP */
	84	-EINVAL, /* BCME_NOTDOWN */
	85	-EINVAL, /* BCME_NOTAP */
	86	-EINVAL, /* BCME_NOTSTA */
	87	-EINVAL, /* BCME_BADKEYIDX */
	88	-EINVAL, /* BCME_RADIOOFF */
	89	-EINVAL, /* BCME_NOTBANDLOCKED */
	90	-EINVAL, /* BCME_NOCLK */
	91	-EINVAL, /* BCME_BADRATESET */
	92	-EINVAL, /* BCME_BADBAND */
	93	-E2BIG, /* BCME_BUFTOOSHORT */
	94	-E2BIG, /* BCME_BUFTOOLONG */
	95	-EBUSY, /* BCME_BUSY */
	96	-EINVAL, /* BCME_NOTASSOCIATED */
	97	-EINVAL, /* BCME_BADSSIDLEN */
	98	-EINVAL, /* BCME_OUTOFRANGECHAN */
	99	-EINVAL, /* BCME_BADCHAN */
	100	-EFAULT, /* BCME_BADADDR */
	101	-ENOMEM, /* BCME_NORESOURCE */
	102	-EOPNOTSUPP, /* BCME_UNSUPPORTED */
	103	-EMSGSIZE, /* BCME_BADLENGTH */
	104	-EINVAL, /* BCME_NOTREADY */
	105	-EPERM, /* BCME_NOTPERMITTED */
	106	-ENOMEM, /* BCME_NOMEM */
	107	-EINVAL, /* BCME_ASSOCIATED */
	108	-ERANGE, /* BCME_RANGE */
	109	-EINVAL, /* BCME_NOTFOUND */
	110	-EINVAL, /* BCME_WME_NOT_ENABLED */
	111	-EINVAL, /* BCME_TSPEC_NOTFOUND */
	112	-EINVAL, /* BCME_ACM_NOTSUPPORTED */
	113	-EINVAL, /* BCME_NOT_WME_ASSOCIATION */
	114	-EIO, /* BCME_SDIO_ERROR */
	115	-ENODEV, /* BCME_DONGLE_DOWN */
	116	-EINVAL, /* BCME_VERSION */
	117	-EIO, /* BCME_TXFAIL */
	118	-EIO, /* BCME_RXFAIL */
	119	-EINVAL, /* BCME_NODEVICE */
	120	-EINVAL, /* BCME_NMODE_DISABLED */
	121	-ENODATA, /* BCME_NONRESIDENT */
	122
	123	/* When an new error code is added to bcmutils.h, add os
	124	* spcecific error translation here as well
	125	*/
	126	/* check if BCME_LAST changed since the last time this function was updated */
	127	#if BCME_LAST != -42
	128	#error "You need to add a OS error translation in the linuxbcmerrormap \
	129	for new error code defined in bcmutils.h"
	130	#endif
	131	};
	132
	133	/* translate bcmerrors into linux errors */
	134	int osl_error(int bcmerror)
	135	{
	136	if (bcmerror > 0)
	137	bcmerror = 0;
	138	else if (bcmerror < BCME_LAST)
	139	bcmerror = BCME_ERROR;
	140
	141	/* Array bounds covered by ASSERT in osl_attach */
	142	return linuxbcmerrormap[-bcmerror];
	143	}
588abaa6	144	#endif /* BRCM_FULLMAC */
a9533e7e HP	145
	146	osl_t osl_attach(void pdev, uint bustype, bool pkttag)
	147	{
	148	osl_t *osh;
	149
	150	osh = kmalloc(sizeof(osl_t), GFP_ATOMIC);
	151	ASSERT(osh);
	152
	153	bzero(osh, sizeof(osl_t));
	154
588abaa6	155	#ifdef BRCM_FULLMAC
a9533e7e HP	156	/* Check that error map has the right number of entries in it */
a9533e7e HP	157	ASSERT(ABS(BCME_LAST) == (ARRAYSIZE(linuxbcmerrormap) - 1));
588abaa6	158	#endif /* BRCM_FULLMAC */
a9533e7e HP	159
	160	osh->magic = OS_HANDLE_MAGIC;
	161	osh->malloced = 0;
	162	osh->failed = 0;
	163	osh->dbgmem_list = NULL;
	164	osh->pdev = pdev;
	165	osh->pub.pkttag = pkttag;
	166	osh->bustype = bustype;
	167
	168	switch (bustype) {
	169	case PCI_BUS:
	170	case SI_BUS:
194c6072	171	case PCMCIA_BUS:
a9533e7e HP	172	osh->pub.mmbus = TRUE;
	173	break;
	174	case JTAG_BUS:
	175	case SDIO_BUS:
	176	case USB_BUS:
	177	case SPI_BUS:
	178	case RPC_BUS:
	179	osh->pub.mmbus = FALSE;
	180	break;
	181	default:
	182	ASSERT(FALSE);
	183	break;
	184	}
	185
588abaa6	186	#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
194c6072	187	if (!bcm_static_buf) {
	188	if (!(bcm_static_buf =
	189	(bcm_static_buf_t *) dhd_os_prealloc(3,
	190	STATIC_BUF_SIZE + STATIC_BUF_TOTAL_LEN))) {
	191	printk(KERN_ERR "can not alloc static buf!\n");
	192	} else
	193	printk(KERN_ERR "alloc static buf at %x!\n",
	194	(unsigned int)bcm_static_buf);
	195
	196	init_MUTEX(&bcm_static_buf->static_sem);
	197
	198	bcm_static_buf->buf_ptr =
	199	(unsigned char *)bcm_static_buf + STATIC_BUF_SIZE;
	200
	201	}
	202
	203	if (!bcm_static_skb) {
	204	int i;
	205	void *skb_buff_ptr = 0;
	206	bcm_static_skb =
	207	(bcm_static_pkt_t ) ((char )bcm_static_buf + 2048);
	208	skb_buff_ptr = dhd_os_prealloc(4, 0);
	209
	210	bcopy(skb_buff_ptr, bcm_static_skb,
	211	sizeof(struct sk_buff ) 16);
	212	for (i = 0; i < MAX_STATIC_PKT_NUM * 2; i++)
	213	bcm_static_skb->pkt_use[i] = 0;
	214
	215	init_MUTEX(&bcm_static_skb->osl_pkt_sem);
	216	}
588abaa6 BR	217	#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
588abaa6 BR	218
194c6072	219	#if defined(BCMDBG) && !defined(BRCM_FULLMAC)
a9533e7e HP	220	if (pkttag) {
	221	struct sk_buff *skb;
	222	ASSERT(OSL_PKTTAG_SZ <= sizeof(skb->cb));
	223	}
	224	#endif
	225	return osh;
	226	}
	227
7cc4a4c0	228	void osl_detach(osl_t *osh)
a9533e7e HP	229	{
	230	if (osh == NULL)
	231	return;
	232
588abaa6	233	#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
194c6072	234	if (bcm_static_buf)
	235	bcm_static_buf = 0;
	236
	237	if (bcm_static_skb)
	238	bcm_static_skb = 0;
	239	#endif
a9533e7e HP	240	ASSERT(osh->magic == OS_HANDLE_MAGIC);
	241	kfree(osh);
	242	}
	243
	244	/* Return a new packet. zero out pkttag */
7cc4a4c0	245	void BCMFASTPATH osl_pktget(osl_t osh, uint len)
a9533e7e HP	246	{
	247	struct sk_buff *skb;
	248
ca8c1e59 JC	249	skb = dev_alloc_skb(len);
ca8c1e59 JC	250	if (skb) {
a9533e7e HP	251	skb_put(skb, len);
	252	skb->priority = 0;
	253
	254	osh->pub.pktalloced++;
	255	}
	256
90ea2296	257	return (void *)skb;
a9533e7e HP	258	}
	259
	260	/* Free the driver packet. Free the tag if present */
7cc4a4c0	261	void BCMFASTPATH osl_pktfree(osl_t osh, void p, bool send)
a9533e7e HP	262	{
	263	struct sk_buff skb, nskb;
	264	int nest = 0;
	265
	266	skb = (struct sk_buff *)p;
	267	ASSERT(skb);
	268
	269	if (send && osh->pub.tx_fn)
	270	osh->pub.tx_fn(osh->pub.tx_ctx, p, 0);
	271
	272	/* perversion: we use skb->next to chain multi-skb packets */
	273	while (skb) {
	274	nskb = skb->next;
	275	skb->next = NULL;
	276
	277	if (skb->destructor)
	278	/* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if
	279	* destructor exists
	280	*/
	281	dev_kfree_skb_any(skb);
	282	else
	283	/* can free immediately (even in_irq()) if destructor
	284	* does not exist
	285	*/
	286	dev_kfree_skb(skb);
	287
	288	osh->pub.pktalloced--;
	289	nest++;
	290	skb = nskb;
	291	}
	292	}
	293
588abaa6	294	#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
194c6072	295	void osl_pktget_static(osl_t osh, uint len)
	296	{
	297	int i = 0;
	298	struct sk_buff *skb;
	299
	300	if (len > (PAGE_SIZE * 2)) {
	301	printk(KERN_ERR "Do we really need this big skb??\n");
	302	return osl_pktget(osh, len);
	303	}
	304
	305	down(&bcm_static_skb->osl_pkt_sem);
	306	if (len <= PAGE_SIZE) {
	307	for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
	308	if (bcm_static_skb->pkt_use[i] == 0)
	309	break;
	310	}
	311
	312	if (i != MAX_STATIC_PKT_NUM) {
	313	bcm_static_skb->pkt_use[i] = 1;
	314	up(&bcm_static_skb->osl_pkt_sem);
	315
	316	skb = bcm_static_skb->skb_4k[i];
	317	skb->tail = skb->data + len;
	318	skb->len = len;
	319
	320	return skb;
	321	}
	322	}
	323
	324	for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
	325	if (bcm_static_skb->pkt_use[i + MAX_STATIC_PKT_NUM] == 0)
	326	break;
	327	}
	328
	329	if (i != MAX_STATIC_PKT_NUM) {
	330	bcm_static_skb->pkt_use[i + MAX_STATIC_PKT_NUM] = 1;
	331	up(&bcm_static_skb->osl_pkt_sem);
	332	skb = bcm_static_skb->skb_8k[i];
	333	skb->tail = skb->data + len;
	334	skb->len = len;
	335
	336	return skb;
	337	}
	338
	339	up(&bcm_static_skb->osl_pkt_sem);
	340	printk(KERN_ERR "all static pkt in use!\n");
	341	return osl_pktget(osh, len);
	342	}
	343
	344	void osl_pktfree_static(osl_t osh, void p, bool send)
	345	{
	346	int i;
	347
	348	for (i = 0; i < MAX_STATIC_PKT_NUM * 2; i++) {
	349	if (p == bcm_static_skb->skb_4k[i]) {
	350	down(&bcm_static_skb->osl_pkt_sem);
	351	bcm_static_skb->pkt_use[i] = 0;
	352	up(&bcm_static_skb->osl_pkt_sem);
	353
	354	return;
	355	}
	356	}
	357	return osl_pktfree(osh, p, send);
	358	}
588abaa6 BR	359	#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
588abaa6 BR	360
7cc4a4c0	361	uint32 osl_pci_read_config(osl_t *osh, uint offset, uint size)
a9533e7e HP	362	{
	363	uint val = 0;
	364	uint retry = PCI_CFG_RETRY;
	365
	366	ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
	367
	368	/* only 4byte access supported */
	369	ASSERT(size == 4);
	370
	371	do {
	372	pci_read_config_dword(osh->pdev, offset, &val);
	373	if (val != 0xffffffff)
	374	break;
	375	} while (retry--);
	376
	377	#ifdef BCMDBG
	378	if (retry < PCI_CFG_RETRY)
	379	printk("PCI CONFIG READ access to %d required %d retries\n",
	380	offset, (PCI_CFG_RETRY - retry));
	381	#endif /* BCMDBG */
	382
90ea2296	383	return val;
a9533e7e HP	384	}
a9533e7e HP	385
7cc4a4c0	386	void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val)
a9533e7e HP	387	{
	388	uint retry = PCI_CFG_RETRY;
	389
	390	ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
	391
	392	/* only 4byte access supported */
	393	ASSERT(size == 4);
	394
	395	do {
	396	pci_write_config_dword(osh->pdev, offset, val);
	397	if (offset != PCI_BAR0_WIN)
	398	break;
	399	if (osl_pci_read_config(osh, offset, size) == val)
	400	break;
	401	} while (retry--);
	402
194c6072	403	#if defined(BCMDBG) && !defined(BRCM_FULLMAC)
a9533e7e HP	404	if (retry < PCI_CFG_RETRY)
	405	printk("PCI CONFIG WRITE access to %d required %d retries\n",
	406	offset, (PCI_CFG_RETRY - retry));
	407	#endif /* BCMDBG */
	408	}
	409
	410	/* return bus # for the pci device pointed by osh->pdev */
7cc4a4c0	411	uint osl_pci_bus(osl_t *osh)
a9533e7e HP	412	{
	413	ASSERT(osh && (osh->magic == OS_HANDLE_MAGIC) && osh->pdev);
	414
	415	return ((struct pci_dev *)osh->pdev)->bus->number;
	416	}
	417
	418	/* return slot # for the pci device pointed by osh->pdev */
7cc4a4c0	419	uint osl_pci_slot(osl_t *osh)
a9533e7e HP	420	{
	421	ASSERT(osh && (osh->magic == OS_HANDLE_MAGIC) && osh->pdev);
	422
	423	return PCI_SLOT(((struct pci_dev *)osh->pdev)->devfn);
	424	}
	425
7cc4a4c0	426	void osl_malloc(osl_t osh, uint size)
a9533e7e HP	427	{
	428	void *addr;
	429
	430	/* only ASSERT if osh is defined */
	431	if (osh)
	432	ASSERT(osh->magic == OS_HANDLE_MAGIC);
	433
588abaa6	434	#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
194c6072	435	if (bcm_static_buf) {
	436	int i = 0;
	437	if ((size >= PAGE_SIZE) && (size <= STATIC_BUF_SIZE)) {
	438	down(&bcm_static_buf->static_sem);
	439	for (i = 0; i < MAX_STATIC_BUF_NUM; i++) {
	440	if (bcm_static_buf->buf_use[i] == 0)
	441	break;
	442	}
	443	if (i == MAX_STATIC_BUF_NUM) {
	444	up(&bcm_static_buf->static_sem);
	445	printk(KERN_ERR "all static buff in use!\n");
	446	goto original;
	447	}
	448	bcm_static_buf->buf_use[i] = 1;
	449	up(&bcm_static_buf->static_sem);
	450
	451	bzero(bcm_static_buf->buf_ptr + STATIC_BUF_SIZE * i,
	452	size);
	453	if (osh)
	454	osh->malloced += size;
	455
	456	return (void *)(bcm_static_buf->buf_ptr +
	457	STATIC_BUF_SIZE * i);
	458	}
	459	}
	460	original:
588abaa6	461	#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
194c6072	462
ca8c1e59 JC	463	addr = kmalloc(size, GFP_ATOMIC);
ca8c1e59 JC	464	if (addr == NULL) {
a9533e7e HP	465	if (osh)
a9533e7e HP	466	osh->failed++;
90ea2296	467	return NULL;
a9533e7e HP	468	}
	469	if (osh)
	470	osh->malloced += size;
	471
90ea2296	472	return addr;
a9533e7e HP	473	}
a9533e7e HP	474
7cc4a4c0	475	void osl_mfree(osl_t osh, void addr, uint size)
a9533e7e	476	{
588abaa6	477	#if defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF)
194c6072	478	if (bcm_static_buf) {
	479	if ((addr > (void )bcm_static_buf) && ((unsigned char )addr
	480	<= ((unsigned char *)
	481	bcm_static_buf +
	482	STATIC_BUF_TOTAL_LEN))) {
	483	int buf_idx = 0;
	484	buf_idx =
	485	((unsigned char *)addr -
	486	bcm_static_buf->buf_ptr) / STATIC_BUF_SIZE;
	487	down(&bcm_static_buf->static_sem);
	488	bcm_static_buf->buf_use[buf_idx] = 0;
	489	up(&bcm_static_buf->static_sem);
	490
	491	if (osh) {
	492	ASSERT(osh->magic == OS_HANDLE_MAGIC);
	493	osh->malloced -= size;
	494	}
	495	return;
	496	}
	497	}
588abaa6	498	#endif /* defined(BRCM_FULLMAC) && defined(DHD_USE_STATIC_BUF) */
a9533e7e HP	499	if (osh) {
	500	ASSERT(osh->magic == OS_HANDLE_MAGIC);
	501	osh->malloced -= size;
	502	}
	503	kfree(addr);
	504	}
	505
7cc4a4c0	506	uint osl_malloced(osl_t *osh)
a9533e7e HP	507	{
a9533e7e HP	508	ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
90ea2296	509	return osh->malloced;
a9533e7e HP	510	}
a9533e7e HP	511
a9533e7e HP	512	uint osl_dma_consistent_align(void)
a9533e7e HP	513	{
90ea2296	514	return PAGE_SIZE;
a9533e7e HP	515	}
a9533e7e HP	516
194c6072	517	#ifdef BRCM_FULLMAC
	518	void osl_dma_alloc_consistent(osl_t osh, uint size, unsigned long *pap)
	519	{
	520	ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
	521
	522	return pci_alloc_consistent(osh->pdev, size, (dma_addr_t *) pap);
	523	}
	524	#else /* !BRCM_FULLMAC */
7d4df48e	525	void osl_dma_alloc_consistent(osl_t osh, uint size, u16 align_bits,
3deea904	526	uint alloced, unsigned long pap)
a9533e7e	527	{
7d4df48e	528	u16 align = (1 << align_bits);
a9533e7e HP	529	ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
	530
	531	if (!ISALIGNED(DMA_CONSISTENT_ALIGN, align))
	532	size += align;
	533	*alloced = size;
	534
90ea2296	535	return pci_alloc_consistent(osh->pdev, size, (dma_addr_t *) pap);
a9533e7e	536	}
194c6072	537	#endif /* BRCM_FULLMAC */
a9533e7e	538
3deea904	539	void osl_dma_free_consistent(osl_t osh, void va, uint size, unsigned long pa)
a9533e7e HP	540	{
	541	ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
	542
	543	pci_free_consistent(osh->pdev, size, va, (dma_addr_t) pa);
	544	}
	545
7cc4a4c0	546	uint BCMFASTPATH osl_dma_map(osl_t osh, void va, uint size, int direction)
a9533e7e HP	547	{
	548	int dir;
	549
	550	ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
	551	dir = (direction == DMA_TX) ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE;
90ea2296	552	return pci_map_single(osh->pdev, va, size, dir);
a9533e7e HP	553	}
a9533e7e HP	554
7cc4a4c0	555	void BCMFASTPATH osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction)
a9533e7e HP	556	{
	557	int dir;
	558
	559	ASSERT((osh && (osh->magic == OS_HANDLE_MAGIC)));
	560	dir = (direction == DMA_TX) ? PCI_DMA_TODEVICE : PCI_DMA_FROMDEVICE;
	561	pci_unmap_single(osh->pdev, (uint32) pa, size, dir);
	562	}
	563
	564	#if defined(BCMDBG_ASSERT)
	565	void osl_assert(char exp, char file, int line)
	566	{
	567	char tempbuf[256];
	568	char *basename;
	569
	570	basename = strrchr(file, '/');
	571	/* skip the '/' */
	572	if (basename)
	573	basename++;
	574
	575	if (!basename)
	576	basename = file;
	577
	578	#ifdef BCMDBG_ASSERT
	579	snprintf(tempbuf, 256,
	580	"assertion \"%s\" failed: file \"%s\", line %d\n", exp,
	581	basename, line);
	582
	583	/* Print assert message and give it time to be written to /var/log/messages */
	584	if (!in_interrupt()) {
	585	const int delay = 3;
194c6072	586	printk(KERN_ERR "%s", tempbuf);
194c6072	587	printk(KERN_ERR "panic in %d seconds\n", delay);
a9533e7e HP	588	set_current_state(TASK_INTERRUPTIBLE);
	589	schedule_timeout(delay * HZ);
	590	}
	591
	592	switch (g_assert_type) {
	593	case 0:
194c6072	594	panic(KERN_ERR "%s", tempbuf);
a9533e7e HP	595	break;
a9533e7e HP	596	case 1:
194c6072	597	printk(KERN_ERR "%s", tempbuf);
a9533e7e HP	598	BUG();
	599	break;
	600	case 2:
194c6072	601	printk(KERN_ERR "%s", tempbuf);
a9533e7e HP	602	break;
	603	default:
	604	break;
	605	}
	606	#endif /* BCMDBG_ASSERT */
	607
	608	}
	609	#endif /* defined(BCMDBG_ASSERT) */
	610
	611	void osl_delay(uint usec)
	612	{
	613	uint d;
	614
	615	while (usec > 0) {
	616	d = MIN(usec, 1000);
	617	udelay(d);
	618	usec -= d;
	619	}
	620	}
	621
194c6072	622	#if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
36ef9a1e	623	u8 osl_readb(osl_t osh, volatile u8 r)
a9533e7e HP	624	{
	625	osl_rreg_fn_t rreg = ((osl_pubinfo_t *) osh)->rreg_fn;
	626	void ctx = ((osl_pubinfo_t ) osh)->reg_ctx;
	627
36ef9a1e	628	return (u8) ((rreg) (ctx, (void *)r, sizeof(u8)));
a9533e7e HP	629	}
a9533e7e HP	630
7d4df48e	631	u16 osl_readw(osl_t osh, volatile u16 r)
a9533e7e HP	632	{
	633	osl_rreg_fn_t rreg = ((osl_pubinfo_t *) osh)->rreg_fn;
	634	void ctx = ((osl_pubinfo_t ) osh)->reg_ctx;
	635
7d4df48e	636	return (u16) ((rreg) (ctx, (void *)r, sizeof(u16)));
a9533e7e HP	637	}
a9533e7e HP	638
7cc4a4c0	639	uint32 osl_readl(osl_t osh, volatile uint32 r)
a9533e7e HP	640	{
	641	osl_rreg_fn_t rreg = ((osl_pubinfo_t *) osh)->rreg_fn;
	642	void ctx = ((osl_pubinfo_t ) osh)->reg_ctx;
	643
	644	return (uint32) ((rreg) (ctx, (void *)r, sizeof(uint32)));
	645	}
	646
36ef9a1e	647	void osl_writeb(osl_t osh, volatile u8 r, u8 v)
a9533e7e HP	648	{
	649	osl_wreg_fn_t wreg = ((osl_pubinfo_t *) osh)->wreg_fn;
	650	void ctx = ((osl_pubinfo_t ) osh)->reg_ctx;
	651
36ef9a1e	652	((wreg) (ctx, (void *)r, v, sizeof(u8)));
a9533e7e HP	653	}
a9533e7e HP	654
7d4df48e	655	void osl_writew(osl_t osh, volatile u16 r, u16 v)
a9533e7e HP	656	{
	657	osl_wreg_fn_t wreg = ((osl_pubinfo_t *) osh)->wreg_fn;
	658	void ctx = ((osl_pubinfo_t ) osh)->reg_ctx;
	659
7d4df48e	660	((wreg) (ctx, (void *)r, v, sizeof(u16)));
a9533e7e HP	661	}
a9533e7e HP	662
7cc4a4c0	663	void osl_writel(osl_t osh, volatile uint32 r, uint32 v)
a9533e7e HP	664	{
	665	osl_wreg_fn_t wreg = ((osl_pubinfo_t *) osh)->wreg_fn;
	666	void ctx = ((osl_pubinfo_t ) osh)->reg_ctx;
	667
	668	((wreg) (ctx, (void *)r, v, sizeof(uint32)));
	669	}
588abaa6	670	#endif /* BCMSDIO */