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