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/drivers/net/wireless/bcmdhd/include/linux_osl.h

https://bitbucket.org/wisechild/galaxy-nexus
C++ Header | 431 lines | 301 code | 105 blank | 25 comment | 19 complexity | b42a1d3c8f747301d530d704f95b476f MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  1/*
  2 * Linux OS Independent Layer
  3 *
  4 * Copyright (C) 1999-2011, Broadcom Corporation
  5 * 
  6 *         Unless you and Broadcom execute a separate written software license
  7 * agreement governing use of this software, this software is licensed to you
  8 * under the terms of the GNU General Public License version 2 (the "GPL"),
  9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
 10 * following added to such license:
 11 * 
 12 *      As a special exception, the copyright holders of this software give you
 13 * permission to link this software with independent modules, and to copy and
 14 * distribute the resulting executable under terms of your choice, provided that
 15 * you also meet, for each linked independent module, the terms and conditions of
 16 * the license of that module.  An independent module is a module which is not
 17 * derived from this software.  The special exception does not apply to any
 18 * modifications of the software.
 19 * 
 20 *      Notwithstanding the above, under no circumstances may you combine this
 21 * software in any way with any other Broadcom software provided under a license
 22 * other than the GPL, without Broadcom's express prior written consent.
 23 *
 24 * $Id: linux_osl.h,v 13.158.6.3 2010-12-22 23:47:26 Exp $
 25 */
 26
 27
 28#ifndef _linux_osl_h_
 29#define _linux_osl_h_
 30
 31#include <typedefs.h>
 32
 33
 34extern void * osl_os_open_image(char * filename);
 35extern int osl_os_get_image_block(char * buf, int len, void * image);
 36extern void osl_os_close_image(void * image);
 37
 38
 39#ifdef BCMDRIVER
 40
 41
 42extern osl_t *osl_attach(void *pdev, uint bustype, bool pkttag);
 43extern void osl_detach(osl_t *osh);
 44
 45
 46extern uint32 g_assert_type;
 47
 48
 49#if defined(BCMASSERT_LOG)
 50	#define ASSERT(exp) \
 51	  do { if (!(exp)) osl_assert(#exp, __FILE__, __LINE__); } while (0)
 52extern void osl_assert(char *exp, char *file, int line);
 53#else
 54	#ifdef __GNUC__
 55		#define GCC_VERSION \
 56			(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
 57		#if GCC_VERSION > 30100
 58			#define ASSERT(exp)	do {} while (0)
 59		#else
 60			
 61			#define ASSERT(exp)
 62		#endif 
 63	#endif 
 64#endif 
 65
 66
 67#define	OSL_DELAY(usec)		osl_delay(usec)
 68extern void osl_delay(uint usec);
 69
 70#define	OSL_PCMCIA_READ_ATTR(osh, offset, buf, size) \
 71	osl_pcmcia_read_attr((osh), (offset), (buf), (size))
 72#define	OSL_PCMCIA_WRITE_ATTR(osh, offset, buf, size) \
 73	osl_pcmcia_write_attr((osh), (offset), (buf), (size))
 74extern void osl_pcmcia_read_attr(osl_t *osh, uint offset, void *buf, int size);
 75extern void osl_pcmcia_write_attr(osl_t *osh, uint offset, void *buf, int size);
 76
 77
 78#define	OSL_PCI_READ_CONFIG(osh, offset, size) \
 79	osl_pci_read_config((osh), (offset), (size))
 80#define	OSL_PCI_WRITE_CONFIG(osh, offset, size, val) \
 81	osl_pci_write_config((osh), (offset), (size), (val))
 82extern uint32 osl_pci_read_config(osl_t *osh, uint offset, uint size);
 83extern void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val);
 84
 85
 86#define OSL_PCI_BUS(osh)	osl_pci_bus(osh)
 87#define OSL_PCI_SLOT(osh)	osl_pci_slot(osh)
 88extern uint osl_pci_bus(osl_t *osh);
 89extern uint osl_pci_slot(osl_t *osh);
 90
 91
 92typedef struct {
 93	bool pkttag;
 94	uint pktalloced; 	
 95	bool mmbus;		
 96	pktfree_cb_fn_t tx_fn;  
 97	void *tx_ctx;		
 98} osl_pubinfo_t;
 99
100#define PKTFREESETCB(osh, _tx_fn, _tx_ctx)		\
101	do {						\
102	   ((osl_pubinfo_t*)osh)->tx_fn = _tx_fn;	\
103	   ((osl_pubinfo_t*)osh)->tx_ctx = _tx_ctx;	\
104	} while (0)
105
106
107
108#define BUS_SWAP32(v)		(v)
109
110	#define MALLOC(osh, size)	osl_malloc((osh), (size))
111	#define MFREE(osh, addr, size)	osl_mfree((osh), (addr), (size))
112	#define MALLOCED(osh)		osl_malloced((osh))
113	extern void *osl_malloc(osl_t *osh, uint size);
114	extern void osl_mfree(osl_t *osh, void *addr, uint size);
115	extern uint osl_malloced(osl_t *osh);
116
117#define NATIVE_MALLOC(osh, size)		kmalloc(size, GFP_ATOMIC)
118#define NATIVE_MFREE(osh, addr, size)	kfree(addr)
119
120#define	MALLOC_FAILED(osh)	osl_malloc_failed((osh))
121extern uint osl_malloc_failed(osl_t *osh);
122
123
124#define	DMA_CONSISTENT_ALIGN	osl_dma_consistent_align()
125#define	DMA_ALLOC_CONSISTENT(osh, size, align, tot, pap, dmah) \
126	osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap))
127#define	DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \
128	osl_dma_free_consistent((osh), (void*)(va), (size), (pa))
129extern uint osl_dma_consistent_align(void);
130extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, uint16 align, uint *tot, ulong *pap);
131extern void osl_dma_free_consistent(osl_t *osh, void *va, uint size, ulong pa);
132
133
134#define	DMA_TX	1	
135#define	DMA_RX	2	
136
137
138#define	DMA_MAP(osh, va, size, direction, p, dmah) \
139	osl_dma_map((osh), (va), (size), (direction))
140#define	DMA_UNMAP(osh, pa, size, direction, p, dmah) \
141	osl_dma_unmap((osh), (pa), (size), (direction))
142extern uint osl_dma_map(osl_t *osh, void *va, uint size, int direction);
143extern void osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction);
144
145
146#define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0)
147
148
149	#include <bcmsdh.h>
150	#define OSL_WRITE_REG(osh, r, v) (bcmsdh_reg_write(NULL, (uintptr)(r), sizeof(*(r)), (v)))
151	#define OSL_READ_REG(osh, r) (bcmsdh_reg_read(NULL, (uintptr)(r), sizeof(*(r))))
152
153	#define SELECT_BUS_WRITE(osh, mmap_op, bus_op) if (((osl_pubinfo_t*)(osh))->mmbus) \
154		mmap_op else bus_op
155	#define SELECT_BUS_READ(osh, mmap_op, bus_op) (((osl_pubinfo_t*)(osh))->mmbus) ? \
156		mmap_op : bus_op
157
158#define OSL_ERROR(bcmerror)	osl_error(bcmerror)
159extern int osl_error(int bcmerror);
160
161
162#define	PKTBUFSZ	2048   
163
164
165
166#define OSL_SYSUPTIME()		((uint32)jiffies * (1000 / HZ))
167#define	printf(fmt, args...)	printk(fmt , ## args)
168#include <linux/kernel.h>	
169#include <linux/string.h>	
170
171#define	bcopy(src, dst, len)	memcpy((dst), (src), (len))
172#define	bcmp(b1, b2, len)	memcmp((b1), (b2), (len))
173#define	bzero(b, len)		memset((b), '\0', (len))
174
175
176
177#ifndef __mips__
178#define R_REG(osh, r) (\
179	SELECT_BUS_READ(osh, sizeof(*(r)) == sizeof(uint8) ? readb((volatile uint8*)(r)) : \
180	sizeof(*(r)) == sizeof(uint16) ? readw((volatile uint16*)(r)) : \
181	readl((volatile uint32*)(r)), OSL_READ_REG(osh, r)) \
182)
183#else 
184#define R_REG(osh, r) (\
185	SELECT_BUS_READ(osh, \
186		({ \
187			__typeof(*(r)) __osl_v; \
188			__asm__ __volatile__("sync"); \
189			switch (sizeof(*(r))) { \
190				case sizeof(uint8):	__osl_v = \
191					readb((volatile uint8*)(r)); break; \
192				case sizeof(uint16):	__osl_v = \
193					readw((volatile uint16*)(r)); break; \
194				case sizeof(uint32):	__osl_v = \
195					readl((volatile uint32*)(r)); break; \
196			} \
197			__asm__ __volatile__("sync"); \
198			__osl_v; \
199		}), \
200		({ \
201			__typeof(*(r)) __osl_v; \
202			__asm__ __volatile__("sync"); \
203			__osl_v = OSL_READ_REG(osh, r); \
204			__asm__ __volatile__("sync"); \
205			__osl_v; \
206		})) \
207)
208#endif 
209
210#define W_REG(osh, r, v) do { \
211	SELECT_BUS_WRITE(osh,  \
212		switch (sizeof(*(r))) { \
213			case sizeof(uint8):	writeb((uint8)(v), (volatile uint8*)(r)); break; \
214			case sizeof(uint16):	writew((uint16)(v), (volatile uint16*)(r)); break; \
215			case sizeof(uint32):	writel((uint32)(v), (volatile uint32*)(r)); break; \
216		}, \
217		(OSL_WRITE_REG(osh, r, v))); \
218	} while (0)
219
220
221#define	AND_REG(osh, r, v)		W_REG(osh, (r), R_REG(osh, r) & (v))
222#define	OR_REG(osh, r, v)		W_REG(osh, (r), R_REG(osh, r) | (v))
223
224
225#define	bcopy(src, dst, len)	memcpy((dst), (src), (len))
226#define	bcmp(b1, b2, len)	memcmp((b1), (b2), (len))
227#define	bzero(b, len)		memset((b), '\0', (len))
228
229
230#ifdef __mips__
231#include <asm/addrspace.h>
232#define OSL_UNCACHED(va)	((void *)KSEG1ADDR((va)))
233#define OSL_CACHED(va)		((void *)KSEG0ADDR((va)))
234#else
235#define OSL_UNCACHED(va)	((void *)va)
236#define OSL_CACHED(va)		((void *)va)
237#endif 
238
239
240#if defined(__i386__)
241#define	OSL_GETCYCLES(x)	rdtscl((x))
242#else
243#define OSL_GETCYCLES(x)	((x) = 0)
244#endif 
245
246
247#define	BUSPROBE(val, addr)	({ (val) = R_REG(NULL, (addr)); 0; })
248
249
250#if !defined(CONFIG_MMC_MSM7X00A)
251#define	REG_MAP(pa, size)	ioremap_nocache((unsigned long)(pa), (unsigned long)(size))
252#else
253#define REG_MAP(pa, size)       (void *)(0)
254#endif 
255#define	REG_UNMAP(va)		iounmap((va))
256
257
258#define	R_SM(r)			*(r)
259#define	W_SM(r, v)		(*(r) = (v))
260#define	BZERO_SM(r, len)	memset((r), '\0', (len))
261
262
263#include <linuxver.h>		
264
265
266#define	PKTGET(osh, len, send)		osl_pktget((osh), (len))
267#define	PKTDUP(osh, skb)		osl_pktdup((osh), (skb))
268#define PKTLIST_DUMP(osh, buf)
269#define PKTDBG_TRACE(osh, pkt, bit)
270#define	PKTFREE(osh, skb, send)		osl_pktfree((osh), (skb), (send))
271#ifdef DHD_USE_STATIC_BUF
272#define	PKTGET_STATIC(osh, len, send)		osl_pktget_static((osh), (len))
273#define	PKTFREE_STATIC(osh, skb, send)		osl_pktfree_static((osh), (skb), (send))
274#endif
275#define	PKTDATA(osh, skb)		(((struct sk_buff*)(skb))->data)
276#define	PKTLEN(osh, skb)		(((struct sk_buff*)(skb))->len)
277#define PKTHEADROOM(osh, skb)		(PKTDATA(osh, skb)-(((struct sk_buff*)(skb))->head))
278#define PKTTAILROOM(osh, skb) ((((struct sk_buff*)(skb))->end)-(((struct sk_buff*)(skb))->tail))
279#define	PKTNEXT(osh, skb)		(((struct sk_buff*)(skb))->next)
280#define	PKTSETNEXT(osh, skb, x)		(((struct sk_buff*)(skb))->next = (struct sk_buff*)(x))
281#define	PKTSETLEN(osh, skb, len)	__skb_trim((struct sk_buff*)(skb), (len))
282#define	PKTPUSH(osh, skb, bytes)	skb_push((struct sk_buff*)(skb), (bytes))
283#define	PKTPULL(osh, skb, bytes)	skb_pull((struct sk_buff*)(skb), (bytes))
284#define	PKTTAG(skb)			((void*)(((struct sk_buff*)(skb))->cb))
285#define PKTALLOCED(osh)			((osl_pubinfo_t *)(osh))->pktalloced
286#define PKTSETPOOL(osh, skb, x, y)	do {} while (0)
287#define PKTPOOL(osh, skb)		FALSE
288#define PKTSHRINK(osh, m)		(m)
289
290#ifdef CTFPOOL
291#define	CTFPOOL_REFILL_THRESH	3
292typedef struct ctfpool {
293	void		*head;
294	spinlock_t	lock;
295	uint		max_obj;
296	uint		curr_obj;
297	uint		obj_size;
298	uint		refills;
299	uint		fast_allocs;
300	uint 		fast_frees;
301	uint 		slow_allocs;
302} ctfpool_t;
303#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
304#define	FASTBUF	(1 << 4)
305#define	CTFBUF	(1 << 5)
306#define	PKTSETFAST(osh, skb)	((((struct sk_buff*)(skb))->mac_len) |= FASTBUF)
307#define	PKTCLRFAST(osh, skb)	((((struct sk_buff*)(skb))->mac_len) &= (~FASTBUF))
308#define	PKTSETCTF(osh, skb)	((((struct sk_buff*)(skb))->mac_len) |= CTFBUF)
309#define	PKTCLRCTF(osh, skb)	((((struct sk_buff*)(skb))->mac_len) &= (~CTFBUF))
310#define	PKTISFAST(osh, skb)	((((struct sk_buff*)(skb))->mac_len) & FASTBUF)
311#define	PKTISCTF(osh, skb)	((((struct sk_buff*)(skb))->mac_len) & CTFBUF)
312#define	PKTFAST(osh, skb)	(((struct sk_buff*)(skb))->mac_len)
313#else
314#define	FASTBUF	(1 << 0)
315#define	CTFBUF	(1 << 1)
316#define	PKTSETFAST(osh, skb)	((((struct sk_buff*)(skb))->__unused) |= FASTBUF)
317#define	PKTCLRFAST(osh, skb)	((((struct sk_buff*)(skb))->__unused) &= (~FASTBUF))
318#define	PKTSETCTF(osh, skb)	((((struct sk_buff*)(skb))->__unused) |= CTFBUF)
319#define	PKTCLRCTF(osh, skb)	((((struct sk_buff*)(skb))->__unused) &= (~CTFBUF))
320#define	PKTISFAST(osh, skb)	((((struct sk_buff*)(skb))->__unused) & FASTBUF)
321#define	PKTISCTF(osh, skb)	((((struct sk_buff*)(skb))->__unused) & CTFBUF)
322#define	PKTFAST(osh, skb)	(((struct sk_buff*)(skb))->__unused)
323#endif 
324
325#define	CTFPOOLPTR(osh, skb)	(((struct sk_buff*)(skb))->sk)
326#define	CTFPOOLHEAD(osh, skb)	(((ctfpool_t *)((struct sk_buff*)(skb))->sk)->head)
327
328extern void *osl_ctfpool_add(osl_t *osh);
329extern void osl_ctfpool_replenish(osl_t *osh, uint thresh);
330extern int32 osl_ctfpool_init(osl_t *osh, uint numobj, uint size);
331extern void osl_ctfpool_cleanup(osl_t *osh);
332extern void osl_ctfpool_stats(osl_t *osh, void *b);
333#endif 
334
335#ifdef HNDCTF
336#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
337#define	SKIPCT	(1 << 6)
338#define	PKTSETSKIPCT(osh, skb)	(((struct sk_buff*)(skb))->mac_len |= SKIPCT)
339#define	PKTCLRSKIPCT(osh, skb)	(((struct sk_buff*)(skb))->mac_len &= (~SKIPCT))
340#define	PKTSKIPCT(osh, skb)	(((struct sk_buff*)(skb))->mac_len & SKIPCT)
341#else 
342#define	SKIPCT	(1 << 2)
343#define	PKTSETSKIPCT(osh, skb)	(((struct sk_buff*)(skb))->__unused |= SKIPCT)
344#define	PKTCLRSKIPCT(osh, skb)	(((struct sk_buff*)(skb))->__unused &= (~SKIPCT))
345#define	PKTSKIPCT(osh, skb)	(((struct sk_buff*)(skb))->__unused & SKIPCT)
346#endif 
347#else 
348#define	PKTSETSKIPCT(osh, skb)
349#define	PKTCLRSKIPCT(osh, skb)
350#define	PKTSKIPCT(osh, skb)
351#endif 
352
353extern void osl_pktfree(osl_t *osh, void *skb, bool send);
354extern void *osl_pktget_static(osl_t *osh, uint len);
355extern void osl_pktfree_static(osl_t *osh, void *skb, bool send);
356
357extern void *osl_pktget(osl_t *osh, uint len);
358extern void *osl_pktdup(osl_t *osh, void *skb);
359
360
361static INLINE void *
362osl_pkt_frmnative(osl_pubinfo_t *osh, void *pkt)
363{
364	struct sk_buff *nskb;
365
366	if (osh->pkttag)
367		bzero((void*)((struct sk_buff*)pkt)->cb, OSL_PKTTAG_SZ);
368
369	
370	for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next) {
371		osh->pktalloced++;
372	}
373
374	return (void *)pkt;
375}
376#define PKTFRMNATIVE(osh, skb)	osl_pkt_frmnative(((osl_pubinfo_t *)osh), (struct sk_buff*)(skb))
377
378
379static INLINE struct sk_buff *
380osl_pkt_tonative(osl_pubinfo_t *osh, void *pkt)
381{
382	struct sk_buff *nskb;
383
384	if (osh->pkttag)
385		bzero(((struct sk_buff*)pkt)->cb, OSL_PKTTAG_SZ);
386
387	
388	for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next) {
389		osh->pktalloced--;
390	}
391
392	return (struct sk_buff *)pkt;
393}
394#define PKTTONATIVE(osh, pkt)		osl_pkt_tonative((osl_pubinfo_t *)(osh), (pkt))
395
396#define	PKTLINK(skb)			(((struct sk_buff*)(skb))->prev)
397#define	PKTSETLINK(skb, x)		(((struct sk_buff*)(skb))->prev = (struct sk_buff*)(x))
398#define	PKTPRIO(skb)			(((struct sk_buff*)(skb))->priority)
399#define	PKTSETPRIO(skb, x)		(((struct sk_buff*)(skb))->priority = (x))
400#define PKTSUMNEEDED(skb)		(((struct sk_buff*)(skb))->ip_summed == CHECKSUM_HW)
401#define PKTSETSUMGOOD(skb, x)		(((struct sk_buff*)(skb))->ip_summed = \
402						((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE))
403
404#define PKTSHARED(skb)                  (((struct sk_buff*)(skb))->cloned)
405
406
407
408#else 
409
410
411
412	#define ASSERT(exp)	do {} while (0)
413
414
415#define MALLOC(o, l) malloc(l)
416#define MFREE(o, p, l) free(p)
417#include <stdlib.h>
418
419
420#include <string.h>
421
422
423#include <stdio.h>
424
425
426extern void bcopy(const void *src, void *dst, size_t len);
427extern int bcmp(const void *b1, const void *b2, size_t len);
428extern void bzero(void *b, size_t len);
429#endif 
430
431#endif