[deliverable/linux.git] / drivers / staging / brcm80211 / include / linux_osl.h

/*
 * 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.
 */

#ifndef _linux_osl_h_
#define _linux_osl_h_

#ifdef BRCM_FULLMAC
#include <typedefs.h>
#endif

/* Linux Kernel: File Operations: start */
extern void *osl_os_open_image(char *filename);
extern int osl_os_get_image_block(char *buf, int len, void *image);
extern void osl_os_close_image(void *image);
/* Linux Kernel: File Operations: end */

extern osl_t *osl_attach(void *pdev, uint bustype, bool pkttag);
extern void osl_detach(osl_t *osh);

extern uint32 g_assert_type;

#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
#ifdef __GNUC__
#define GCC_VERSION \
			(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#if GCC_VERSION > 30100
#define ASSERT(exp)	do {} while (0)
#else
			/* ASSERT could cause segmentation fault on GCC3.1, use empty instead */
#define ASSERT(exp)
#endif				/* GCC_VERSION > 30100 */
#endif				/* __GNUC__ */
#endif				/* defined(BCMDBG_ASSERT) */

#define	OSL_DELAY(usec)		osl_delay(usec)
extern void osl_delay(uint usec);

/* PCI configuration space access macros */
#define	OSL_PCI_READ_CONFIG(osh, offset, size) \
	osl_pci_read_config((osh), (offset), (size))
#define	OSL_PCI_WRITE_CONFIG(osh, offset, size, val) \
	osl_pci_write_config((osh), (offset), (size), (val))
extern uint32 osl_pci_read_config(osl_t *osh, uint offset, uint size);
extern void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val);

/* 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(osl_t *osh);
extern uint osl_pci_slot(osl_t *osh);

/* Pkttag flag should be part of public information */
typedef struct {
	bool pkttag;
	uint pktalloced;	/* Number of allocated packet buffers */
	bool mmbus;		/* Bus supports memory-mapped register accesses */
	pktfree_cb_fn_t tx_fn;	/* Callback function for PKTFREE */
	void *tx_ctx;		/* Context to the callback function */
#if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
	osl_rreg_fn_t rreg_fn;	/* Read Register function */
	osl_wreg_fn_t wreg_fn;	/* Write Register function */
	void *reg_ctx;		/* Context to the reg callback functions */
#endif
} osl_pubinfo_t;

#define PKTFREESETCB(osh, _tx_fn, _tx_ctx)			\
	do {							\
		((osl_pubinfo_t *)osh)->tx_fn = _tx_fn;		\
		((osl_pubinfo_t *)osh)->tx_ctx = _tx_ctx;	\
	} while (0)

#if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
#define REGOPSSET(osh, rreg, wreg, ctx)			\
	do {						\
		((osl_pubinfo_t *)osh)->rreg_fn = rreg;	\
		((osl_pubinfo_t *)osh)->wreg_fn = wreg;	\
		((osl_pubinfo_t *)osh)->reg_ctx = ctx;	\
	} while (0)
#endif

#define BUS_SWAP32(v)		(v)

#define MALLOC(osh, size)	osl_malloc((osh), (size))
#define MFREE(osh, addr, size)	osl_mfree((osh), (addr), (size))
#define MALLOCED(osh)		osl_malloced((osh))
extern void *osl_malloc(osl_t *osh, uint size);
extern void osl_mfree(osl_t *osh, void *addr, uint size);
extern uint osl_malloced(osl_t *osh);

#define NATIVE_MALLOC(osh, size)	kmalloc(size, GFP_ATOMIC)
#define NATIVE_MFREE(osh, addr, size)	kfree(addr)

#ifdef BRCM_FULLMAC
#define	DMA_CONSISTENT_ALIGN	PAGE_SIZE
#define	DMA_ALLOC_CONSISTENT(osh, size, pap, dmah, alignbits) \
	osl_dma_alloc_consistent((osh), (size), (pap))
extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, unsigned long *pap);
#else
/* allocate/free shared (dma-able) consistent memory */
#define	DMA_CONSISTENT_ALIGN	osl_dma_consistent_align()
#define	DMA_ALLOC_CONSISTENT(osh, size, align, tot, pap, dmah) \
	osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap))
extern uint osl_dma_consistent_align(void);
extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, u16 align,
				      uint *tot, unsigned long *pap);
#endif
#define	DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \
	osl_dma_free_consistent((osh), (void *)(va), (size), (pa))
extern void osl_dma_free_consistent(osl_t *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(osl_t *osh, void *va, uint size, int direction);
extern void osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction);

/* API for DMA addressing capability */
#define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0)

/* register access macros */
#if defined(BCMSDIO)
#ifdef BRCM_FULLMAC
#include <bcmsdh.h>
#endif
#define OSL_WRITE_REG(osh, r, v) (bcmsdh_reg_write(NULL, (uintptr)(r), sizeof(*(r)), (v)))
#define OSL_READ_REG(osh, r) (bcmsdh_reg_read(NULL, (uintptr)(r), sizeof(*(r))))
#endif

#if defined(BCMSDIO)
#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) if (((osl_pubinfo_t *)(osh))->mmbus) \
		mmap_op else bus_op
#define SELECT_BUS_READ(osh, mmap_op, bus_op) (((osl_pubinfo_t *)(osh))->mmbus) ? \
		mmap_op : bus_op
#else
#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) mmap_op
#define SELECT_BUS_READ(osh, mmap_op, bus_op) mmap_op
#endif

#define OSL_ERROR(bcmerror)	osl_error(bcmerror)
extern int osl_error(int bcmerror);

/* the largest reasonable packet buffer driver uses for ethernet MTU in bytes */
#define	PKTBUFSZ	2048	/* largest reasonable packet buffer, driver uses for ethernet MTU */

#define OSL_SYSUPTIME()		((uint32)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))
#define	bcmp(b1, b2, len)	memcmp((b1), (b2), (len))
#define	bzero(b, len)		memset((b), '\0', (len))

/* register access macros */
#if defined(OSLREGOPS)
#else
#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 uint32*)(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(uint32): \
				__osl_v = \
				readl((volatile uint32*)(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(uint32): \
			writel((uint32)(v), (volatile uint32*)(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*)((uintptr)(r)^3)); \
				break; \
			case sizeof(u16): \
				__osl_v = \
				readw((volatile u16*)((uintptr)(r)^2)); \
				break; \
			case sizeof(uint32): \
				__osl_v = readl((volatile uint32*)(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*)((uintptr)(r)^3)); break; \
		case sizeof(u16):	\
			writew((u16)(v), \
			(volatile u16*)((uintptr)(r)^2)); break; \
		case sizeof(uint32):	\
			writel((uint32)(v), \
			(volatile uint32*)(r)); break; \
		}, \
		(OSL_WRITE_REG(osh, r, v))); \
	} while (0)
#endif				/* IL_BIGENDIAN */

#endif				/* OSLREGOPS */

#define	AND_REG(osh, r, v)		W_REG(osh, (r), R_REG(osh, r) & (v))
#define	OR_REG(osh, r, v)		W_REG(osh, (r), R_REG(osh, r) | (v))

/* bcopy, bcmp, and bzero functions */
#define	bcopy(src, dst, len)	memcpy((dst), (src), (len))
#define	bcmp(b1, b2, len)	memcmp((b1), (b2), (len))
#define	bzero(b, len)		memset((b), '\0', (len))

/* uncached/cached virtual address */
#ifdef __mips__
#include <asm/addrspace.h>
#define OSL_UNCACHED(va)	((void *)KSEG1ADDR((va)))
#define OSL_CACHED(va)		((void *)KSEG0ADDR((va)))
#else
#define OSL_UNCACHED(va)	((void *)va)
#define OSL_CACHED(va)		((void *)va)
#endif				/* mips */

#if defined(mips)
#define	OSL_GETCYCLES(x)	((x) = read_c0_count() * 2)
#elif defined(__i386__)
#define	OSL_GETCYCLES(x)	rdtscl((x))
#else
#define OSL_GETCYCLES(x)	((x) = 0)
#endif				/* defined(mips) */

/* dereference an address that may cause a bus exception */
#ifdef mips
#define	BUSPROBE(val, addr)	get_dbe((val), (addr))
#include <asm/paccess.h>
#else
#define	BUSPROBE(val, addr)	({ (val) = R_REG(NULL, (addr)); 0; })
#endif				/* mips */

/* map/unmap physical to virtual I/O */
#if !defined(CONFIG_MMC_MSM7X00A)
#define	REG_MAP(pa, size)	ioremap_nocache((unsigned long)(pa), (unsigned long)(size))
#else
#define REG_MAP(pa, size)       (void *)(0)
#endif				/* !defined(CONFIG_MMC_MSM7X00A */
#define	REG_UNMAP(va)		iounmap((va))

#define	R_SM(r)			(*(r))
#define	W_SM(r, v)		(*(r) = (v))
#define	BZERO_SM(r, len)	memset((r), '\0', (len))

#ifdef BRCM_FULLMAC
#include <linuxver.h>		/* use current 2.4.x calling conventions */
#endif

/* packet primitives */
#define	PKTGET(osh, len, send)		osl_pktget((osh), (len))
#define	PKTFREE(osh, skb, send)		osl_pktfree((osh), (skb), (send))
#define	PKTDATA(skb)		(((struct sk_buff *)(skb))->data)
#define	PKTLEN(skb)		(((struct sk_buff *)(skb))->len)
#define PKTHEADROOM(skb)		(PKTDATA(skb)-(((struct sk_buff *)(skb))->head))
#define PKTTAILROOM(skb) ((((struct sk_buff *)(skb))->end)-(((struct sk_buff *)(skb))->tail))
#define	PKTNEXT(skb)		(((struct sk_buff *)(skb))->next)
#define	PKTSETNEXT(skb, x)	\
	(((struct sk_buff *)(skb))->next = (struct sk_buff *)(x))
#define	PKTSETLEN(skb, len)	__skb_trim((struct sk_buff *)(skb), (len))
#define	PKTPUSH(skb, bytes)	skb_push((struct sk_buff *)(skb), (bytes))
#define	PKTPULL(skb, bytes)	skb_pull((struct sk_buff *)(skb), (bytes))
#define	PKTTAG(skb)		((void *)(((struct sk_buff *)(skb))->cb))
#define PKTALLOCED(osh)		(((osl_pubinfo_t *)(osh))->pktalloced)
#define PKTSETPOOL(osh, skb, x, y)	do {} while (0)
#define PKTPOOL(osh, skb)		FALSE
extern void *osl_pktget(osl_t *osh, uint len);
extern void osl_pktfree(osl_t *osh, void *skb, bool send);

#ifdef BRCM_FULLMAC
#ifdef DHD_USE_STATIC_BUF
#define	PKTGET_STATIC(osh, len, send)		osl_pktget_static((osh), (len))
#define	PKTFREE_STATIC(osh, skb, send)	\
	osl_pktfree_static((osh), (skb), (send))
#endif
extern void *osl_pktget_static(osl_t *osh, uint len);
extern void osl_pktfree_static(osl_t *osh, void *skb, bool send);

static inline void *
osl_pkt_frmnative(osl_pubinfo_t *osh, struct sk_buff *skb)
{
	struct sk_buff *nskb;

	if (osh->pkttag)
		bzero((void *)skb->cb, OSL_PKTTAG_SZ);

	for (nskb = skb; nskb; nskb = nskb->next)
		osh->pktalloced++;

	return (void *)skb;
}
#define PKTFRMNATIVE(osh, skb)	\
	osl_pkt_frmnative(((osl_pubinfo_t *)osh), (struct sk_buff*)(skb))

static inline struct sk_buff *
osl_pkt_tonative(osl_pubinfo_t *osh, void *pkt)
{
	struct sk_buff *nskb;

	if (osh->pkttag)
		bzero(((struct sk_buff *)pkt)->cb, OSL_PKTTAG_SZ);

	for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next)
		osh->pktalloced--;

	return (struct sk_buff *)pkt;
}
#define PKTTONATIVE(osh, pkt)	\
	osl_pkt_tonative((osl_pubinfo_t *)(osh), (pkt))
#else /* !BRCM_FULLMAC */
#define PKTUNALLOC(osh)			(((osl_pubinfo_t *)(osh))->pktalloced--)

#define	PKTSETSKIPCT(osh, skb)
#define	PKTCLRSKIPCT(osh, skb)
#define	PKTSKIPCT(osh, skb)
#endif	/* BRCM_FULLMAC */

#define	PKTLINK(skb)			(((struct sk_buff *)(skb))->prev)
#define	PKTSETLINK(skb, x)		(((struct sk_buff *)(skb))->prev = (struct sk_buff*)(x))
#define	PKTPRIO(skb)			(((struct sk_buff *)(skb))->priority)
#define	PKTSETPRIO(skb, x)		(((struct sk_buff *)(skb))->priority = (x))
#define PKTSUMNEEDED(skb)		(((struct sk_buff *)(skb))->ip_summed == CHECKSUM_PARTIAL)
#define PKTSETSUMGOOD(skb, x)		(((struct sk_buff *)(skb))->ip_summed = \
						((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE))
/* PKTSETSUMNEEDED and PKTSUMGOOD are not possible because skb->ip_summed is overloaded */
#define PKTSHARED(skb)                  (((struct sk_buff *)(skb))->cloned)

#if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
#define RPC_READ_REG(osh, r) (\
	sizeof(*(r)) == sizeof(u8) ? osl_readb((osh), (volatile u8*)(r)) : \
	sizeof(*(r)) == sizeof(u16) ? osl_readw((osh), (volatile u16*)(r)) : \
	osl_readl((osh), (volatile uint32*)(r)) \
)
#define RPC_WRITE_REG(osh, r, v) do { \
	switch (sizeof(*(r))) { \
	case sizeof(u8): \
		osl_writeb((osh), (volatile u8*)(r), (u8)(v)); \
		break; \
	case sizeof(u16): \
		osl_writew((osh), (volatile u16*)(r), (u16)(v)); \
		break; \
	case sizeof(uint32): \
		osl_writel((osh), (volatile uint32*)(r), (uint32)(v)); \
		break; \
	} \
} while (0)

extern u8 osl_readb(osl_t *osh, volatile u8 *r);
extern u16 osl_readw(osl_t *osh, volatile u16 *r);
extern uint32 osl_readl(osl_t *osh, volatile uint32 *r);
extern void osl_writeb(osl_t *osh, volatile u8 *r, u8 v);
extern void osl_writew(osl_t *osh, volatile u16 *r, u16 v);
extern void osl_writel(osl_t *osh, volatile uint32 *r, uint32 v);
#endif				/* BCMSDIO */

#endif				/* _linux_osl_h_ */
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	#ifndef _linux_osl_h_
	18	#define _linux_osl_h_
	19
3327989a	20	#ifdef BRCM_FULLMAC
a9533e7e	21	#include <typedefs.h>
3327989a	22	#endif
a9533e7e HP	23
	24	/* Linux Kernel: File Operations: start */
	25	extern void osl_os_open_image(char filename);
	26	extern int osl_os_get_image_block(char buf, int len, void image);
	27	extern void osl_os_close_image(void *image);
	28	/* Linux Kernel: File Operations: end */
	29
	30	extern osl_t osl_attach(void pdev, uint bustype, bool pkttag);
7cc4a4c0	31	extern void osl_detach(osl_t *osh);
a9533e7e HP	32
	33	extern uint32 g_assert_type;
	34
	35	#if defined(BCMDBG_ASSERT)
	36	#define ASSERT(exp) \
	37	do { if (!(exp)) osl_assert(#exp, __FILE__, __LINE__); } while (0)
	38	extern void osl_assert(char exp, char file, int line);
	39	#else
	40	#ifdef __GNUC__
	41	#define GCC_VERSION \
	42	(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
	43	#if GCC_VERSION > 30100
	44	#define ASSERT(exp) do {} while (0)
	45	#else
	46	/* ASSERT could cause segmentation fault on GCC3.1, use empty instead */
	47	#define ASSERT(exp)
	48	#endif /* GCC_VERSION > 30100 */
	49	#endif /* __GNUC__ */
	50	#endif /* defined(BCMDBG_ASSERT) */
	51
	52	#define OSL_DELAY(usec) osl_delay(usec)
	53	extern void osl_delay(uint usec);
	54
a9533e7e HP	55	/* PCI configuration space access macros */
	56	#define OSL_PCI_READ_CONFIG(osh, offset, size) \
	57	osl_pci_read_config((osh), (offset), (size))
	58	#define OSL_PCI_WRITE_CONFIG(osh, offset, size, val) \
	59	osl_pci_write_config((osh), (offset), (size), (val))
7cc4a4c0 JC	60	extern uint32 osl_pci_read_config(osl_t *osh, uint offset, uint size);
7cc4a4c0 JC	61	extern void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val);
a9533e7e HP	62
	63	/* PCI device bus # and slot # */
	64	#define OSL_PCI_BUS(osh) osl_pci_bus(osh)
	65	#define OSL_PCI_SLOT(osh) osl_pci_slot(osh)
7cc4a4c0 JC	66	extern uint osl_pci_bus(osl_t *osh);
7cc4a4c0 JC	67	extern uint osl_pci_slot(osl_t *osh);
a9533e7e HP	68
	69	/* Pkttag flag should be part of public information */
	70	typedef struct {
	71	bool pkttag;
	72	uint pktalloced; /* Number of allocated packet buffers */
	73	bool mmbus; /* Bus supports memory-mapped register accesses */
	74	pktfree_cb_fn_t tx_fn; /* Callback function for PKTFREE */
	75	void tx_ctx; / Context to the callback function */
cf2b4488	76	#if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
a9533e7e HP	77	osl_rreg_fn_t rreg_fn; /* Read Register function */
	78	osl_wreg_fn_t wreg_fn; /* Write Register function */
	79	void reg_ctx; / Context to the reg callback functions */
	80	#endif
	81	} osl_pubinfo_t;
	82
	83	#define PKTFREESETCB(osh, _tx_fn, _tx_ctx) \
	84	do { \
39dcff3f JC	85	((osl_pubinfo_t *)osh)->tx_fn = _tx_fn; \
39dcff3f JC	86	((osl_pubinfo_t *)osh)->tx_ctx = _tx_ctx; \
a9533e7e HP	87	} while (0)
a9533e7e HP	88
cf2b4488	89	#if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
a9533e7e HP	90	#define REGOPSSET(osh, rreg, wreg, ctx) \
a9533e7e HP	91	do { \
39dcff3f JC	92	((osl_pubinfo_t *)osh)->rreg_fn = rreg; \
	93	((osl_pubinfo_t *)osh)->wreg_fn = wreg; \
	94	((osl_pubinfo_t *)osh)->reg_ctx = ctx; \
a9533e7e HP	95	} while (0)
	96	#endif
	97
	98	#define BUS_SWAP32(v) (v)
	99
	100	#define MALLOC(osh, size) osl_malloc((osh), (size))
	101	#define MFREE(osh, addr, size) osl_mfree((osh), (addr), (size))
	102	#define MALLOCED(osh) osl_malloced((osh))
7cc4a4c0 JC	103	extern void osl_malloc(osl_t osh, uint size);
	104	extern void osl_mfree(osl_t osh, void addr, uint size);
	105	extern uint osl_malloced(osl_t *osh);
a9533e7e HP	106
	107	#define NATIVE_MALLOC(osh, size) kmalloc(size, GFP_ATOMIC)
	108	#define NATIVE_MFREE(osh, addr, size) kfree(addr)
a9533e7e	109
cf2b4488 HP	110	#ifdef BRCM_FULLMAC
	111	#define DMA_CONSISTENT_ALIGN PAGE_SIZE
	112	#define DMA_ALLOC_CONSISTENT(osh, size, pap, dmah, alignbits) \
	113	osl_dma_alloc_consistent((osh), (size), (pap))
3deea904	114	extern void osl_dma_alloc_consistent(osl_t osh, uint size, unsigned long *pap);
cf2b4488	115	#else
a9533e7e HP	116	/* allocate/free shared (dma-able) consistent memory */
	117	#define DMA_CONSISTENT_ALIGN osl_dma_consistent_align()
	118	#define DMA_ALLOC_CONSISTENT(osh, size, align, tot, pap, dmah) \
	119	osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap))
a9533e7e	120	extern uint osl_dma_consistent_align(void);
7d4df48e	121	extern void osl_dma_alloc_consistent(osl_t osh, uint size, u16 align,
3deea904	122	uint tot, unsigned long pap);
cf2b4488 HP	123	#endif
	124	#define DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \
	125	osl_dma_free_consistent((osh), (void *)(va), (size), (pa))
3deea904	126	extern void osl_dma_free_consistent(osl_t osh, void va, uint size, unsigned long pa);
a9533e7e HP	127
	128	/* map/unmap direction */
	129	#define DMA_TX 1 /* TX direction for DMA */
	130	#define DMA_RX 2 /* RX direction for DMA */
	131
	132	/* map/unmap shared (dma-able) memory */
	133	#define DMA_MAP(osh, va, size, direction, p, dmah) \
	134	osl_dma_map((osh), (va), (size), (direction))
	135	#define DMA_UNMAP(osh, pa, size, direction, p, dmah) \
	136	osl_dma_unmap((osh), (pa), (size), (direction))
7cc4a4c0 JC	137	extern uint osl_dma_map(osl_t osh, void va, uint size, int direction);
7cc4a4c0 JC	138	extern void osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction);
a9533e7e HP	139
	140	/* API for DMA addressing capability */
	141	#define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0)
	142
	143	/* register access macros */
	144	#if defined(BCMSDIO)
3327989a	145	#ifdef BRCM_FULLMAC
a9533e7e	146	#include <bcmsdh.h>
3327989a	147	#endif
a9533e7e HP	148	#define OSL_WRITE_REG(osh, r, v) (bcmsdh_reg_write(NULL, (uintptr)(r), sizeof(*(r)), (v)))
	149	#define OSL_READ_REG(osh, r) (bcmsdh_reg_read(NULL, (uintptr)(r), sizeof(*(r))))
	150	#endif
	151
	152	#if defined(BCMSDIO)
39dcff3f	153	#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) if (((osl_pubinfo_t *)(osh))->mmbus) \
a9533e7e	154	mmap_op else bus_op
39dcff3f	155	#define SELECT_BUS_READ(osh, mmap_op, bus_op) (((osl_pubinfo_t *)(osh))->mmbus) ? \
a9533e7e HP	156	mmap_op : bus_op
	157	#else
	158	#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) mmap_op
	159	#define SELECT_BUS_READ(osh, mmap_op, bus_op) mmap_op
	160	#endif
	161
	162	#define OSL_ERROR(bcmerror) osl_error(bcmerror)
	163	extern int osl_error(int bcmerror);
	164
	165	/* the largest reasonable packet buffer driver uses for ethernet MTU in bytes */
	166	#define PKTBUFSZ 2048 /* largest reasonable packet buffer, driver uses for ethernet MTU */
	167
	168	#define OSL_SYSUPTIME() ((uint32)jiffies * (1000 / HZ))
	169	#define printf(fmt, args...) printk(fmt , ## args)
3327989a	170	#ifdef BRCM_FULLMAC
a9533e7e HP	171	#include <linux/kernel.h> /* for vsn/printf's */
a9533e7e HP	172	#include <linux/string.h> /* for mem, str */
3327989a	173	#endif
a9533e7e HP	174	/* bcopy's: Linux kernel doesn't provide these (anymore) */
	175	#define bcopy(src, dst, len) memcpy((dst), (src), (len))
	176	#define bcmp(b1, b2, len) memcmp((b1), (b2), (len))
	177	#define bzero(b, len) memset((b), '\0', (len))
	178
	179	/* register access macros */
	180	#if defined(OSLREGOPS)
	181	#else
	182	#ifndef IL_BIGENDIAN
	183	#ifndef __mips__
	184	#define R_REG(osh, r) (\
de9bca63	185	SELECT_BUS_READ(osh, sizeof((r)) == sizeof(u8) ? readb((volatile u8)(r)) : \
7d4df48e	186	sizeof((r)) == sizeof(u16) ? readw((volatile u16)(r)) : \
a9533e7e HP	187	readl((volatile uint32*)(r)), OSL_READ_REG(osh, r)) \
	188	)
	189	#else /* __mips__ */
	190	#define R_REG(osh, r) (\
	191	SELECT_BUS_READ(osh, \
	192	({ \
	193	__typeof(*(r)) __osl_v; \
	194	__asm__ __volatile__("sync"); \
	195	switch (sizeof(*(r))) { \
de9bca63 GKH	196	case sizeof(u8): \
de9bca63 GKH	197	__osl_v = readb((volatile u8*)(r)); \
62145822	198	break; \
7d4df48e GKH	199	case sizeof(u16): \
7d4df48e GKH	200	__osl_v = readw((volatile u16*)(r)); \
62145822 JC	201	break; \
	202	case sizeof(uint32): \
	203	__osl_v = \
	204	readl((volatile uint32*)(r)); \
	205	break; \
a9533e7e HP	206	} \
	207	__asm__ __volatile__("sync"); \
	208	__osl_v; \
	209	}), \
	210	({ \
	211	__typeof(*(r)) __osl_v; \
	212	__asm__ __volatile__("sync"); \
	213	__osl_v = OSL_READ_REG(osh, r); \
	214	__asm__ __volatile__("sync"); \
	215	__osl_v; \
	216	})) \
	217	)
	218	#endif /* __mips__ */
	219
	220	#define W_REG(osh, r, v) do { \
	221	SELECT_BUS_WRITE(osh, \
	222	switch (sizeof(*(r))) { \
de9bca63 GKH	223	case sizeof(u8): \
de9bca63 GKH	224	writeb((u8)(v), (volatile u8*)(r)); break; \
7d4df48e GKH	225	case sizeof(u16): \
7d4df48e GKH	226	writew((u16)(v), (volatile u16*)(r)); break; \
a9533e7e HP	227	case sizeof(uint32): \
	228	writel((uint32)(v), (volatile uint32*)(r)); break; \
	229	}, \
	230	(OSL_WRITE_REG(osh, r, v))); \
	231	} while (0)
	232	#else /* IL_BIGENDIAN */
	233	#define R_REG(osh, r) (\
	234	SELECT_BUS_READ(osh, \
	235	({ \
	236	__typeof(*(r)) __osl_v; \
	237	switch (sizeof(*(r))) { \
de9bca63	238	case sizeof(u8): \
62145822	239	__osl_v = \
de9bca63	240	readb((volatile u8*)((uintptr)(r)^3)); \
62145822	241	break; \
7d4df48e	242	case sizeof(u16): \
62145822	243	__osl_v = \
7d4df48e	244	readw((volatile u16*)((uintptr)(r)^2)); \
62145822 JC	245	break; \
	246	case sizeof(uint32): \
	247	__osl_v = readl((volatile uint32*)(r)); \
	248	break; \
a9533e7e HP	249	} \
	250	__osl_v; \
	251	}), \
	252	OSL_READ_REG(osh, r)) \
	253	)
	254	#define W_REG(osh, r, v) do { \
	255	SELECT_BUS_WRITE(osh, \
	256	switch (sizeof(*(r))) { \
de9bca63 GKH	257	case sizeof(u8): \
	258	writeb((u8)(v), \
	259	(volatile u8*)((uintptr)(r)^3)); break; \
7d4df48e GKH	260	case sizeof(u16): \
	261	writew((u16)(v), \
	262	(volatile u16*)((uintptr)(r)^2)); break; \
a9533e7e HP	263	case sizeof(uint32): \
	264	writel((uint32)(v), \
	265	(volatile uint32*)(r)); break; \
	266	}, \
	267	(OSL_WRITE_REG(osh, r, v))); \
	268	} while (0)
	269	#endif /* IL_BIGENDIAN */
	270
	271	#endif /* OSLREGOPS */
	272
	273	#define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v))
	274	#define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) \| (v))
	275
	276	/* bcopy, bcmp, and bzero functions */
	277	#define bcopy(src, dst, len) memcpy((dst), (src), (len))
	278	#define bcmp(b1, b2, len) memcmp((b1), (b2), (len))
	279	#define bzero(b, len) memset((b), '\0', (len))
	280
	281	/* uncached/cached virtual address */
	282	#ifdef __mips__
	283	#include <asm/addrspace.h>
	284	#define OSL_UNCACHED(va) ((void *)KSEG1ADDR((va)))
	285	#define OSL_CACHED(va) ((void *)KSEG0ADDR((va)))
	286	#else
	287	#define OSL_UNCACHED(va) ((void *)va)
	288	#define OSL_CACHED(va) ((void *)va)
	289	#endif /* mips */
	290
	291	#if defined(mips)
	292	#define OSL_GETCYCLES(x) ((x) = read_c0_count() * 2)
	293	#elif defined(__i386__)
	294	#define OSL_GETCYCLES(x) rdtscl((x))
	295	#else
	296	#define OSL_GETCYCLES(x) ((x) = 0)
	297	#endif /* defined(mips) */
	298
	299	/* dereference an address that may cause a bus exception */
	300	#ifdef mips
	301	#define BUSPROBE(val, addr) get_dbe((val), (addr))
	302	#include <asm/paccess.h>
	303	#else
	304	#define BUSPROBE(val, addr) ({ (val) = R_REG(NULL, (addr)); 0; })
	305	#endif /* mips */
	306
	307	/* map/unmap physical to virtual I/O */
	308	#if !defined(CONFIG_MMC_MSM7X00A)
	309	#define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size))
	310	#else
	311	#define REG_MAP(pa, size) (void *)(0)
	312	#endif /* !defined(CONFIG_MMC_MSM7X00A */
	313	#define REG_UNMAP(va) iounmap((va))
	314
0d706ef4	315	#define R_SM(r) (*(r))
a9533e7e HP	316	#define W_SM(r, v) (*(r) = (v))
	317	#define BZERO_SM(r, len) memset((r), '\0', (len))
	318
3327989a	319	#ifdef BRCM_FULLMAC
a9533e7e	320	#include <linuxver.h> /* use current 2.4.x calling conventions */
3327989a	321	#endif
a9533e7e HP	322
	323	/* packet primitives */
	324	#define PKTGET(osh, len, send) osl_pktget((osh), (len))
a9533e7e	325	#define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send))
cf2b4488 HP	326	#define PKTDATA(skb) (((struct sk_buff *)(skb))->data)
cf2b4488 HP	327	#define PKTLEN(skb) (((struct sk_buff *)(skb))->len)
39dcff3f JC	328	#define PKTHEADROOM(skb) (PKTDATA(skb)-(((struct sk_buff *)(skb))->head))
39dcff3f JC	329	#define PKTTAILROOM(skb) ((((struct sk_buff )(skb))->end)-(((struct sk_buff )(skb))->tail))
cf2b4488 HP	330	#define PKTNEXT(skb) (((struct sk_buff *)(skb))->next)
	331	#define PKTSETNEXT(skb, x) \
	332	(((struct sk_buff )(skb))->next = (struct sk_buff )(x))
	333	#define PKTSETLEN(skb, len) __skb_trim((struct sk_buff *)(skb), (len))
	334	#define PKTPUSH(skb, bytes) skb_push((struct sk_buff *)(skb), (bytes))
	335	#define PKTPULL(skb, bytes) skb_pull((struct sk_buff *)(skb), (bytes))
cf2b4488 HP	336	#define PKTTAG(skb) ((void )(((struct sk_buff )(skb))->cb))
cf2b4488 HP	337	#define PKTALLOCED(osh) (((osl_pubinfo_t *)(osh))->pktalloced)
a9533e7e HP	338	#define PKTSETPOOL(osh, skb, x, y) do {} while (0)
a9533e7e HP	339	#define PKTPOOL(osh, skb) FALSE
cf2b4488 HP	340	extern void osl_pktget(osl_t osh, uint len);
cf2b4488 HP	341	extern void osl_pktfree(osl_t osh, void skb, bool send);
cf2b4488 HP	342
	343	#ifdef BRCM_FULLMAC
	344	#ifdef DHD_USE_STATIC_BUF
	345	#define PKTGET_STATIC(osh, len, send) osl_pktget_static((osh), (len))
	346	#define PKTFREE_STATIC(osh, skb, send) \
	347	osl_pktfree_static((osh), (skb), (send))
	348	#endif
	349	extern void osl_pktget_static(osl_t osh, uint len);
	350	extern void osl_pktfree_static(osl_t osh, void skb, bool send);
	351
2d956e22	352	static inline void *
cf2b4488 HP	353	osl_pkt_frmnative(osl_pubinfo_t osh, struct sk_buff skb)
	354	{
	355	struct sk_buff *nskb;
a9533e7e	356
cf2b4488 HP	357	if (osh->pkttag)
	358	bzero((void *)skb->cb, OSL_PKTTAG_SZ);
	359
	360	for (nskb = skb; nskb; nskb = nskb->next)
	361	osh->pktalloced++;
	362
	363	return (void *)skb;
	364	}
	365	#define PKTFRMNATIVE(osh, skb) \
	366	osl_pkt_frmnative(((osl_pubinfo_t )osh), (struct sk_buff)(skb))
	367
2d956e22	368	static inline struct sk_buff *
cf2b4488 HP	369	osl_pkt_tonative(osl_pubinfo_t osh, void pkt)
	370	{
	371	struct sk_buff *nskb;
	372
	373	if (osh->pkttag)
	374	bzero(((struct sk_buff *)pkt)->cb, OSL_PKTTAG_SZ);
	375
	376	for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next)
	377	osh->pktalloced--;
	378
	379	return (struct sk_buff *)pkt;
	380	}
	381	#define PKTTONATIVE(osh, pkt) \
	382	osl_pkt_tonative((osl_pubinfo_t *)(osh), (pkt))
	383	#else /* !BRCM_FULLMAC */
0d706ef4	384	#define PKTUNALLOC(osh) (((osl_pubinfo_t *)(osh))->pktalloced--)
a9533e7e HP	385
	386	#define PKTSETSKIPCT(osh, skb)
	387	#define PKTCLRSKIPCT(osh, skb)
	388	#define PKTSKIPCT(osh, skb)
cf2b4488	389	#endif /* BRCM_FULLMAC */
a9533e7e	390
39dcff3f JC	391	#define PKTLINK(skb) (((struct sk_buff *)(skb))->prev)
	392	#define PKTSETLINK(skb, x) (((struct sk_buff )(skb))->prev = (struct sk_buff)(x))
	393	#define PKTPRIO(skb) (((struct sk_buff *)(skb))->priority)
	394	#define PKTSETPRIO(skb, x) (((struct sk_buff *)(skb))->priority = (x))
1a3bf747	395	#define PKTSUMNEEDED(skb) (((struct sk_buff *)(skb))->ip_summed == CHECKSUM_PARTIAL)
39dcff3f	396	#define PKTSETSUMGOOD(skb, x) (((struct sk_buff *)(skb))->ip_summed = \
a9533e7e HP	397	((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE))
a9533e7e HP	398	/* PKTSETSUMNEEDED and PKTSUMGOOD are not possible because skb->ip_summed is overloaded */
39dcff3f	399	#define PKTSHARED(skb) (((struct sk_buff *)(skb))->cloned)
a9533e7e	400
cf2b4488	401	#if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
a9533e7e	402	#define RPC_READ_REG(osh, r) (\
de9bca63	403	sizeof((r)) == sizeof(u8) ? osl_readb((osh), (volatile u8)(r)) : \
7d4df48e	404	sizeof((r)) == sizeof(u16) ? osl_readw((osh), (volatile u16)(r)) : \
a9533e7e HP	405	osl_readl((osh), (volatile uint32*)(r)) \
	406	)
	407	#define RPC_WRITE_REG(osh, r, v) do { \
	408	switch (sizeof(*(r))) { \
de9bca63 GKH	409	case sizeof(u8): \
de9bca63 GKH	410	osl_writeb((osh), (volatile u8*)(r), (u8)(v)); \
62145822	411	break; \
7d4df48e GKH	412	case sizeof(u16): \
7d4df48e GKH	413	osl_writew((osh), (volatile u16*)(r), (u16)(v)); \
62145822 JC	414	break; \
	415	case sizeof(uint32): \
	416	osl_writel((osh), (volatile uint32*)(r), (uint32)(v)); \
	417	break; \
a9533e7e HP	418	} \
	419	} while (0)
	420
de9bca63	421	extern u8 osl_readb(osl_t osh, volatile u8 r);
7d4df48e	422	extern u16 osl_readw(osl_t osh, volatile u16 r);
7cc4a4c0	423	extern uint32 osl_readl(osl_t osh, volatile uint32 r);
de9bca63	424	extern void osl_writeb(osl_t osh, volatile u8 r, u8 v);
7d4df48e	425	extern void osl_writew(osl_t osh, volatile u16 r, u16 v);
7cc4a4c0	426	extern void osl_writel(osl_t osh, volatile uint32 r, uint32 v);
a9533e7e HP	427	#endif /* BCMSDIO */
	428
	429	#endif /* _linux_osl_h_ */