/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

  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. #ifndef _linux_osl_h_
  27. #define _linux_osl_h_
  28. #include <typedefs.h>
  29. extern void * osl_os_open_image(char * filename);
  30. extern int osl_os_get_image_block(char * buf, int len, void * image);
  31. extern void osl_os_close_image(void * image);
  32. #ifdef BCMDRIVER
  33. extern osl_t *osl_attach(void *pdev, uint bustype, bool pkttag);
  34. extern void osl_detach(osl_t *osh);
  35. extern uint32 g_assert_type;
  36. #if defined(BCMASSERT_LOG)
  37. #define ASSERT(exp) \
  38. do { if (!(exp)) osl_assert(#exp, __FILE__, __LINE__); } while (0)
  39. extern void osl_assert(char *exp, char *file, int line);
  40. #else
  41. #ifdef __GNUC__
  42. #define GCC_VERSION \
  43. (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
  44. #if GCC_VERSION > 30100
  45. #define ASSERT(exp) do {} while (0)
  46. #else
  47. #define ASSERT(exp)
  48. #endif
  49. #endif
  50. #endif
  51. #define OSL_DELAY(usec) osl_delay(usec)
  52. extern void osl_delay(uint usec);
  53. #define OSL_PCMCIA_READ_ATTR(osh, offset, buf, size) \
  54. osl_pcmcia_read_attr((osh), (offset), (buf), (size))
  55. #define OSL_PCMCIA_WRITE_ATTR(osh, offset, buf, size) \
  56. osl_pcmcia_write_attr((osh), (offset), (buf), (size))
  57. extern void osl_pcmcia_read_attr(osl_t *osh, uint offset, void *buf, int size);
  58. extern void osl_pcmcia_write_attr(osl_t *osh, uint offset, void *buf, int size);
  59. #define OSL_PCI_READ_CONFIG(osh, offset, size) \
  60. osl_pci_read_config((osh), (offset), (size))
  61. #define OSL_PCI_WRITE_CONFIG(osh, offset, size, val) \
  62. osl_pci_write_config((osh), (offset), (size), (val))
  63. extern uint32 osl_pci_read_config(osl_t *osh, uint offset, uint size);
  64. extern void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val);
  65. #define OSL_PCI_BUS(osh) osl_pci_bus(osh)
  66. #define OSL_PCI_SLOT(osh) osl_pci_slot(osh)
  67. extern uint osl_pci_bus(osl_t *osh);
  68. extern uint osl_pci_slot(osl_t *osh);
  69. typedef struct {
  70. bool pkttag;
  71. uint pktalloced;
  72. bool mmbus;
  73. pktfree_cb_fn_t tx_fn;
  74. void *tx_ctx;
  75. } osl_pubinfo_t;
  76. #define PKTFREESETCB(osh, _tx_fn, _tx_ctx) \
  77. do { \
  78. ((osl_pubinfo_t*)osh)->tx_fn = _tx_fn; \
  79. ((osl_pubinfo_t*)osh)->tx_ctx = _tx_ctx; \
  80. } while (0)
  81. #define BUS_SWAP32(v) (v)
  82. #define MALLOC(osh, size) osl_malloc((osh), (size))
  83. #define MFREE(osh, addr, size) osl_mfree((osh), (addr), (size))
  84. #define MALLOCED(osh) osl_malloced((osh))
  85. extern void *osl_malloc(osl_t *osh, uint size);
  86. extern void osl_mfree(osl_t *osh, void *addr, uint size);
  87. extern uint osl_malloced(osl_t *osh);
  88. #define NATIVE_MALLOC(osh, size) kmalloc(size, GFP_ATOMIC)
  89. #define NATIVE_MFREE(osh, addr, size) kfree(addr)
  90. #define MALLOC_FAILED(osh) osl_malloc_failed((osh))
  91. extern uint osl_malloc_failed(osl_t *osh);
  92. #define DMA_CONSISTENT_ALIGN osl_dma_consistent_align()
  93. #define DMA_ALLOC_CONSISTENT(osh, size, align, tot, pap, dmah) \
  94. osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap))
  95. #define DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \
  96. osl_dma_free_consistent((osh), (void*)(va), (size), (pa))
  97. extern uint osl_dma_consistent_align(void);
  98. extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, uint16 align, uint *tot, ulong *pap);
  99. extern void osl_dma_free_consistent(osl_t *osh, void *va, uint size, ulong pa);
  100. #define DMA_TX 1
  101. #define DMA_RX 2
  102. #define DMA_MAP(osh, va, size, direction, p, dmah) \
  103. osl_dma_map((osh), (va), (size), (direction))
  104. #define DMA_UNMAP(osh, pa, size, direction, p, dmah) \
  105. osl_dma_unmap((osh), (pa), (size), (direction))
  106. extern uint osl_dma_map(osl_t *osh, void *va, uint size, int direction);
  107. extern void osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction);
  108. #define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0)
  109. #include <bcmsdh.h>
  110. #define OSL_WRITE_REG(osh, r, v) (bcmsdh_reg_write(NULL, (uintptr)(r), sizeof(*(r)), (v)))
  111. #define OSL_READ_REG(osh, r) (bcmsdh_reg_read(NULL, (uintptr)(r), sizeof(*(r))))
  112. #define SELECT_BUS_WRITE(osh, mmap_op, bus_op) if (((osl_pubinfo_t*)(osh))->mmbus) \
  113. mmap_op else bus_op
  114. #define SELECT_BUS_READ(osh, mmap_op, bus_op) (((osl_pubinfo_t*)(osh))->mmbus) ? \
  115. mmap_op : bus_op
  116. #define OSL_ERROR(bcmerror) osl_error(bcmerror)
  117. extern int osl_error(int bcmerror);
  118. #define PKTBUFSZ 2048
  119. #define OSL_SYSUPTIME() ((uint32)jiffies * (1000 / HZ))
  120. #define printf(fmt, args...) printk(fmt , ## args)
  121. #include <linux/kernel.h>
  122. #include <linux/string.h>
  123. #define bcopy(src, dst, len) memcpy((dst), (src), (len))
  124. #define bcmp(b1, b2, len) memcmp((b1), (b2), (len))
  125. #define bzero(b, len) memset((b), '\0', (len))
  126. #ifndef __mips__
  127. #define R_REG(osh, r) (\
  128. SELECT_BUS_READ(osh, sizeof(*(r)) == sizeof(uint8) ? readb((volatile uint8*)(r)) : \
  129. sizeof(*(r)) == sizeof(uint16) ? readw((volatile uint16*)(r)) : \
  130. readl((volatile uint32*)(r)), OSL_READ_REG(osh, r)) \
  131. )
  132. #else
  133. #define R_REG(osh, r) (\
  134. SELECT_BUS_READ(osh, \
  135. ({ \
  136. __typeof(*(r)) __osl_v; \
  137. __asm__ __volatile__("sync"); \
  138. switch (sizeof(*(r))) { \
  139. case sizeof(uint8): __osl_v = \
  140. readb((volatile uint8*)(r)); break; \
  141. case sizeof(uint16): __osl_v = \
  142. readw((volatile uint16*)(r)); break; \
  143. case sizeof(uint32): __osl_v = \
  144. readl((volatile uint32*)(r)); break; \
  145. } \
  146. __asm__ __volatile__("sync"); \
  147. __osl_v; \
  148. }), \
  149. ({ \
  150. __typeof(*(r)) __osl_v; \
  151. __asm__ __volatile__("sync"); \
  152. __osl_v = OSL_READ_REG(osh, r); \
  153. __asm__ __volatile__("sync"); \
  154. __osl_v; \
  155. })) \
  156. )
  157. #endif
  158. #define W_REG(osh, r, v) do { \
  159. SELECT_BUS_WRITE(osh, \
  160. switch (sizeof(*(r))) { \
  161. case sizeof(uint8): writeb((uint8)(v), (volatile uint8*)(r)); break; \
  162. case sizeof(uint16): writew((uint16)(v), (volatile uint16*)(r)); break; \
  163. case sizeof(uint32): writel((uint32)(v), (volatile uint32*)(r)); break; \
  164. }, \
  165. (OSL_WRITE_REG(osh, r, v))); \
  166. } while (0)
  167. #define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v))
  168. #define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) | (v))
  169. #define bcopy(src, dst, len) memcpy((dst), (src), (len))
  170. #define bcmp(b1, b2, len) memcmp((b1), (b2), (len))
  171. #define bzero(b, len) memset((b), '\0', (len))
  172. #ifdef __mips__
  173. #include <asm/addrspace.h>
  174. #define OSL_UNCACHED(va) ((void *)KSEG1ADDR((va)))
  175. #define OSL_CACHED(va) ((void *)KSEG0ADDR((va)))
  176. #else
  177. #define OSL_UNCACHED(va) ((void *)va)
  178. #define OSL_CACHED(va) ((void *)va)
  179. #endif
  180. #if defined(__i386__)
  181. #define OSL_GETCYCLES(x) rdtscl((x))
  182. #else
  183. #define OSL_GETCYCLES(x) ((x) = 0)
  184. #endif
  185. #define BUSPROBE(val, addr) ({ (val) = R_REG(NULL, (addr)); 0; })
  186. #if !defined(CONFIG_MMC_MSM7X00A)
  187. #define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size))
  188. #else
  189. #define REG_MAP(pa, size) (void *)(0)
  190. #endif
  191. #define REG_UNMAP(va) iounmap((va))
  192. #define R_SM(r) *(r)
  193. #define W_SM(r, v) (*(r) = (v))
  194. #define BZERO_SM(r, len) memset((r), '\0', (len))
  195. #include <linuxver.h>
  196. #define PKTGET(osh, len, send) osl_pktget((osh), (len))
  197. #define PKTDUP(osh, skb) osl_pktdup((osh), (skb))
  198. #define PKTLIST_DUMP(osh, buf)
  199. #define PKTDBG_TRACE(osh, pkt, bit)
  200. #define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send))
  201. #ifdef DHD_USE_STATIC_BUF
  202. #define PKTGET_STATIC(osh, len, send) osl_pktget_static((osh), (len))
  203. #define PKTFREE_STATIC(osh, skb, send) osl_pktfree_static((osh), (skb), (send))
  204. #endif
  205. #define PKTDATA(osh, skb) (((struct sk_buff*)(skb))->data)
  206. #define PKTLEN(osh, skb) (((struct sk_buff*)(skb))->len)
  207. #define PKTHEADROOM(osh, skb) (PKTDATA(osh, skb)-(((struct sk_buff*)(skb))->head))
  208. #define PKTTAILROOM(osh, skb) ((((struct sk_buff*)(skb))->end)-(((struct sk_buff*)(skb))->tail))
  209. #define PKTNEXT(osh, skb) (((struct sk_buff*)(skb))->next)
  210. #define PKTSETNEXT(osh, skb, x) (((struct sk_buff*)(skb))->next = (struct sk_buff*)(x))
  211. #define PKTSETLEN(osh, skb, len) __skb_trim((struct sk_buff*)(skb), (len))
  212. #define PKTPUSH(osh, skb, bytes) skb_push((struct sk_buff*)(skb), (bytes))
  213. #define PKTPULL(osh, skb, bytes) skb_pull((struct sk_buff*)(skb), (bytes))
  214. #define PKTTAG(skb) ((void*)(((struct sk_buff*)(skb))->cb))
  215. #define PKTALLOCED(osh) ((osl_pubinfo_t *)(osh))->pktalloced
  216. #define PKTSETPOOL(osh, skb, x, y) do {} while (0)
  217. #define PKTPOOL(osh, skb) FALSE
  218. #define PKTSHRINK(osh, m) (m)
  219. #ifdef CTFPOOL
  220. #define CTFPOOL_REFILL_THRESH 3
  221. typedef struct ctfpool {
  222. void *head;
  223. spinlock_t lock;
  224. uint max_obj;
  225. uint curr_obj;
  226. uint obj_size;
  227. uint refills;
  228. uint fast_allocs;
  229. uint fast_frees;
  230. uint slow_allocs;
  231. } ctfpool_t;
  232. #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
  233. #define FASTBUF (1 << 4)
  234. #define CTFBUF (1 << 5)
  235. #define PKTSETFAST(osh, skb) ((((struct sk_buff*)(skb))->mac_len) |= FASTBUF)
  236. #define PKTCLRFAST(osh, skb) ((((struct sk_buff*)(skb))->mac_len) &= (~FASTBUF))
  237. #define PKTSETCTF(osh, skb) ((((struct sk_buff*)(skb))->mac_len) |= CTFBUF)
  238. #define PKTCLRCTF(osh, skb) ((((struct sk_buff*)(skb))->mac_len) &= (~CTFBUF))
  239. #define PKTISFAST(osh, skb) ((((struct sk_buff*)(skb))->mac_len) & FASTBUF)
  240. #define PKTISCTF(osh, skb) ((((struct sk_buff*)(skb))->mac_len) & CTFBUF)
  241. #define PKTFAST(osh, skb) (((struct sk_buff*)(skb))->mac_len)
  242. #else
  243. #define FASTBUF (1 << 0)
  244. #define CTFBUF (1 << 1)
  245. #define PKTSETFAST(osh, skb) ((((struct sk_buff*)(skb))->__unused) |= FASTBUF)
  246. #define PKTCLRFAST(osh, skb) ((((struct sk_buff*)(skb))->__unused) &= (~FASTBUF))
  247. #define PKTSETCTF(osh, skb) ((((struct sk_buff*)(skb))->__unused) |= CTFBUF)
  248. #define PKTCLRCTF(osh, skb) ((((struct sk_buff*)(skb))->__unused) &= (~CTFBUF))
  249. #define PKTISFAST(osh, skb) ((((struct sk_buff*)(skb))->__unused) & FASTBUF)
  250. #define PKTISCTF(osh, skb) ((((struct sk_buff*)(skb))->__unused) & CTFBUF)
  251. #define PKTFAST(osh, skb) (((struct sk_buff*)(skb))->__unused)
  252. #endif
  253. #define CTFPOOLPTR(osh, skb) (((struct sk_buff*)(skb))->sk)
  254. #define CTFPOOLHEAD(osh, skb) (((ctfpool_t *)((struct sk_buff*)(skb))->sk)->head)
  255. extern void *osl_ctfpool_add(osl_t *osh);
  256. extern void osl_ctfpool_replenish(osl_t *osh, uint thresh);
  257. extern int32 osl_ctfpool_init(osl_t *osh, uint numobj, uint size);
  258. extern void osl_ctfpool_cleanup(osl_t *osh);
  259. extern void osl_ctfpool_stats(osl_t *osh, void *b);
  260. #endif
  261. #ifdef HNDCTF
  262. #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 22)
  263. #define SKIPCT (1 << 6)
  264. #define PKTSETSKIPCT(osh, skb) (((struct sk_buff*)(skb))->mac_len |= SKIPCT)
  265. #define PKTCLRSKIPCT(osh, skb) (((struct sk_buff*)(skb))->mac_len &= (~SKIPCT))
  266. #define PKTSKIPCT(osh, skb) (((struct sk_buff*)(skb))->mac_len & SKIPCT)
  267. #else
  268. #define SKIPCT (1 << 2)
  269. #define PKTSETSKIPCT(osh, skb) (((struct sk_buff*)(skb))->__unused |= SKIPCT)
  270. #define PKTCLRSKIPCT(osh, skb) (((struct sk_buff*)(skb))->__unused &= (~SKIPCT))
  271. #define PKTSKIPCT(osh, skb) (((struct sk_buff*)(skb))->__unused & SKIPCT)
  272. #endif
  273. #else
  274. #define PKTSETSKIPCT(osh, skb)
  275. #define PKTCLRSKIPCT(osh, skb)
  276. #define PKTSKIPCT(osh, skb)
  277. #endif
  278. extern void osl_pktfree(osl_t *osh, void *skb, bool send);
  279. extern void *osl_pktget_static(osl_t *osh, uint len);
  280. extern void osl_pktfree_static(osl_t *osh, void *skb, bool send);
  281. extern void *osl_pktget(osl_t *osh, uint len);
  282. extern void *osl_pktdup(osl_t *osh, void *skb);
  283. static INLINE void *
  284. osl_pkt_frmnative(osl_pubinfo_t *osh, void *pkt)
  285. {
  286. struct sk_buff *nskb;
  287. if (osh->pkttag)
  288. bzero((void*)((struct sk_buff*)pkt)->cb, OSL_PKTTAG_SZ);
  289. for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next) {
  290. osh->pktalloced++;
  291. }
  292. return (void *)pkt;
  293. }
  294. #define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative(((osl_pubinfo_t *)osh), (struct sk_buff*)(skb))
  295. static INLINE struct sk_buff *
  296. osl_pkt_tonative(osl_pubinfo_t *osh, void *pkt)
  297. {
  298. struct sk_buff *nskb;
  299. if (osh->pkttag)
  300. bzero(((struct sk_buff*)pkt)->cb, OSL_PKTTAG_SZ);
  301. for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next) {
  302. osh->pktalloced--;
  303. }
  304. return (struct sk_buff *)pkt;
  305. }
  306. #define PKTTONATIVE(osh, pkt) osl_pkt_tonative((osl_pubinfo_t *)(osh), (pkt))
  307. #define PKTLINK(skb) (((struct sk_buff*)(skb))->prev)
  308. #define PKTSETLINK(skb, x) (((struct sk_buff*)(skb))->prev = (struct sk_buff*)(x))
  309. #define PKTPRIO(skb) (((struct sk_buff*)(skb))->priority)
  310. #define PKTSETPRIO(skb, x) (((struct sk_buff*)(skb))->priority = (x))
  311. #define PKTSUMNEEDED(skb) (((struct sk_buff*)(skb))->ip_summed == CHECKSUM_HW)
  312. #define PKTSETSUMGOOD(skb, x) (((struct sk_buff*)(skb))->ip_summed = \
  313. ((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE))
  314. #define PKTSHARED(skb) (((struct sk_buff*)(skb))->cloned)
  315. #else
  316. #define ASSERT(exp) do {} while (0)
  317. #define MALLOC(o, l) malloc(l)
  318. #define MFREE(o, p, l) free(p)
  319. #include <stdlib.h>
  320. #include <string.h>
  321. #include <stdio.h>
  322. extern void bcopy(const void *src, void *dst, size_t len);
  323. extern int bcmp(const void *b1, const void *b2, size_t len);
  324. extern void bzero(void *b, size_t len);
  325. #endif
  326. #endif