2 * Copyright (c) 2010 Broadcom Corporation
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.
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.
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 */
30 extern osl_t *osl_attach(void *pdev, uint bustype, bool pkttag);
31 extern void osl_detach(osl_t *osh);
33 extern u32 g_assert_type;
35 #if defined(BCMDBG_ASSERT)
37 do { if (!(exp)) osl_assert(#exp, __FILE__, __LINE__); } while (0)
38 extern void osl_assert(char *exp, char *file, int line);
42 (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
43 #if GCC_VERSION > 30100
44 #define ASSERT(exp) do {} while (0)
46 /* ASSERT could cause segmentation fault on GCC3.1, use empty instead */
48 #endif /* GCC_VERSION > 30100 */
50 #endif /* defined(BCMDBG_ASSERT) */
52 #define OSL_DELAY(usec) osl_delay(usec)
53 extern void osl_delay(uint usec);
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))
60 extern u32 osl_pci_read_config(osl_t *osh, uint offset, uint size);
61 extern void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val);
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)
66 extern uint osl_pci_bus(osl_t *osh);
67 extern uint osl_pci_slot(osl_t *osh);
69 /* Pkttag flag should be part of public information */
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 */
76 #if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
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 */
83 #define PKTFREESETCB(osh, _tx_fn, _tx_ctx) \
85 ((osl_pubinfo_t *)osh)->tx_fn = _tx_fn; \
86 ((osl_pubinfo_t *)osh)->tx_ctx = _tx_ctx; \
89 #if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
90 #define REGOPSSET(osh, rreg, wreg, ctx) \
92 ((osl_pubinfo_t *)osh)->rreg_fn = rreg; \
93 ((osl_pubinfo_t *)osh)->wreg_fn = wreg; \
94 ((osl_pubinfo_t *)osh)->reg_ctx = ctx; \
98 #define BUS_SWAP32(v) (v)
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))
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);
107 #define NATIVE_MALLOC(osh, size) kmalloc(size, GFP_ATOMIC)
108 #define NATIVE_MFREE(osh, addr, size) kfree(addr)
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))
114 extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, unsigned long *pap);
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))
120 extern uint osl_dma_consistent_align(void);
121 extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, u16 align,
122 uint *tot, unsigned long *pap);
124 #define DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \
125 osl_dma_free_consistent((osh), (void *)(va), (size), (pa))
126 extern void osl_dma_free_consistent(osl_t *osh, void *va, uint size, unsigned long pa);
128 /* map/unmap direction */
129 #define DMA_TX 1 /* TX direction for DMA */
130 #define DMA_RX 2 /* RX direction for DMA */
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))
137 extern uint osl_dma_map(osl_t *osh, void *va, uint size, int direction);
138 extern void osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction);
140 /* API for DMA addressing capability */
141 #define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0)
143 /* register access macros */
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))))
153 #define SELECT_BUS_WRITE(osh, mmap_op, bus_op) if (((osl_pubinfo_t *)(osh))->mmbus) \
155 #define SELECT_BUS_READ(osh, mmap_op, bus_op) (((osl_pubinfo_t *)(osh))->mmbus) ? \
158 #define SELECT_BUS_WRITE(osh, mmap_op, bus_op) mmap_op
159 #define SELECT_BUS_READ(osh, mmap_op, bus_op) mmap_op
162 #define OSL_ERROR(bcmerror) osl_error(bcmerror)
163 extern int osl_error(int bcmerror);
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 */
168 #define OSL_SYSUPTIME() ((u32)jiffies * (1000 / HZ))
169 #define printf(fmt, args...) printk(fmt , ## args)
171 #include <linux/kernel.h> /* for vsn/printf's */
172 #include <linux/string.h> /* for mem*, str* */
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))
179 /* register access macros */
180 #if defined(OSLREGOPS)
184 #define R_REG(osh, r) (\
185 SELECT_BUS_READ(osh, sizeof(*(r)) == sizeof(u8) ? readb((volatile u8*)(r)) : \
186 sizeof(*(r)) == sizeof(u16) ? readw((volatile u16*)(r)) : \
187 readl((volatile u32*)(r)), OSL_READ_REG(osh, r)) \
190 #define R_REG(osh, r) (\
191 SELECT_BUS_READ(osh, \
193 __typeof(*(r)) __osl_v; \
194 __asm__ __volatile__("sync"); \
195 switch (sizeof(*(r))) { \
197 __osl_v = readb((volatile u8*)(r)); \
200 __osl_v = readw((volatile u16*)(r)); \
204 readl((volatile u32*)(r)); \
207 __asm__ __volatile__("sync"); \
211 __typeof(*(r)) __osl_v; \
212 __asm__ __volatile__("sync"); \
213 __osl_v = OSL_READ_REG(osh, r); \
214 __asm__ __volatile__("sync"); \
218 #endif /* __mips__ */
220 #define W_REG(osh, r, v) do { \
221 SELECT_BUS_WRITE(osh, \
222 switch (sizeof(*(r))) { \
224 writeb((u8)(v), (volatile u8*)(r)); break; \
226 writew((u16)(v), (volatile u16*)(r)); break; \
228 writel((u32)(v), (volatile u32*)(r)); break; \
230 (OSL_WRITE_REG(osh, r, v))); \
232 #else /* IL_BIGENDIAN */
233 #define R_REG(osh, r) (\
234 SELECT_BUS_READ(osh, \
236 __typeof(*(r)) __osl_v; \
237 switch (sizeof(*(r))) { \
240 readb((volatile u8*)((uintptr)(r)^3)); \
244 readw((volatile u16*)((uintptr)(r)^2)); \
247 __osl_v = readl((volatile u32*)(r)); \
252 OSL_READ_REG(osh, r)) \
254 #define W_REG(osh, r, v) do { \
255 SELECT_BUS_WRITE(osh, \
256 switch (sizeof(*(r))) { \
259 (volatile u8*)((uintptr)(r)^3)); break; \
262 (volatile u16*)((uintptr)(r)^2)); break; \
265 (volatile u32*)(r)); break; \
267 (OSL_WRITE_REG(osh, r, v))); \
269 #endif /* IL_BIGENDIAN */
271 #endif /* OSLREGOPS */
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))
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))
281 /* uncached/cached virtual address */
283 #include <asm/addrspace.h>
284 #define OSL_UNCACHED(va) ((void *)KSEG1ADDR((va)))
285 #define OSL_CACHED(va) ((void *)KSEG0ADDR((va)))
287 #define OSL_UNCACHED(va) ((void *)va)
288 #define OSL_CACHED(va) ((void *)va)
292 #define OSL_GETCYCLES(x) ((x) = read_c0_count() * 2)
293 #elif defined(__i386__)
294 #define OSL_GETCYCLES(x) rdtscl((x))
296 #define OSL_GETCYCLES(x) ((x) = 0)
297 #endif /* defined(mips) */
299 /* dereference an address that may cause a bus exception */
301 #define BUSPROBE(val, addr) get_dbe((val), (addr))
302 #include <asm/paccess.h>
304 #define BUSPROBE(val, addr) ({ (val) = R_REG(NULL, (addr)); 0; })
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))
311 #define REG_MAP(pa, size) (void *)(0)
312 #endif /* !defined(CONFIG_MMC_MSM7X00A */
313 #define REG_UNMAP(va) iounmap((va))
315 #define R_SM(r) (*(r))
316 #define W_SM(r, v) (*(r) = (v))
317 #define BZERO_SM(r, len) memset((r), '\0', (len))
320 #include <linuxver.h> /* use current 2.4.x calling conventions */
323 /* packet primitives */
324 #define PKTGET(osh, len, send) osl_pktget((osh), (len))
325 #define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send))
326 #define PKTDATA(skb) (((struct sk_buff *)(skb))->data)
327 #define PKTLEN(skb) (((struct sk_buff *)(skb))->len)
328 #define PKTHEADROOM(skb) (PKTDATA(skb)-(((struct sk_buff *)(skb))->head))
329 #define PKTTAILROOM(skb) ((((struct sk_buff *)(skb))->end)-(((struct sk_buff *)(skb))->tail))
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))
336 #define PKTTAG(skb) ((void *)(((struct sk_buff *)(skb))->cb))
337 #define PKTALLOCED(osh) (((osl_pubinfo_t *)(osh))->pktalloced)
338 #define PKTSETPOOL(osh, skb, x, y) do {} while (0)
339 #define PKTPOOL(osh, skb) FALSE
340 extern void *osl_pktget(osl_t *osh, uint len);
341 extern void osl_pktfree(osl_t *osh, void *skb, bool send);
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))
349 extern void *osl_pktget_static(osl_t *osh, uint len);
350 extern void osl_pktfree_static(osl_t *osh, void *skb, bool send);
353 osl_pkt_frmnative(osl_pubinfo_t *osh, struct sk_buff *skb)
355 struct sk_buff *nskb;
358 bzero((void *)skb->cb, OSL_PKTTAG_SZ);
360 for (nskb = skb; nskb; nskb = nskb->next)
365 #define PKTFRMNATIVE(osh, skb) \
366 osl_pkt_frmnative(((osl_pubinfo_t *)osh), (struct sk_buff*)(skb))
368 static inline struct sk_buff *
369 osl_pkt_tonative(osl_pubinfo_t *osh, void *pkt)
371 struct sk_buff *nskb;
374 bzero(((struct sk_buff *)pkt)->cb, OSL_PKTTAG_SZ);
376 for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next)
379 return (struct sk_buff *)pkt;
381 #define PKTTONATIVE(osh, pkt) \
382 osl_pkt_tonative((osl_pubinfo_t *)(osh), (pkt))
383 #else /* !BRCM_FULLMAC */
384 #define PKTUNALLOC(osh) (((osl_pubinfo_t *)(osh))->pktalloced--)
386 #define PKTSETSKIPCT(osh, skb)
387 #define PKTCLRSKIPCT(osh, skb)
388 #define PKTSKIPCT(osh, skb)
389 #endif /* BRCM_FULLMAC */
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))
395 #define PKTSUMNEEDED(skb) (((struct sk_buff *)(skb))->ip_summed == CHECKSUM_PARTIAL)
396 #define PKTSETSUMGOOD(skb, x) (((struct sk_buff *)(skb))->ip_summed = \
397 ((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE))
398 /* PKTSETSUMNEEDED and PKTSUMGOOD are not possible because skb->ip_summed is overloaded */
399 #define PKTSHARED(skb) (((struct sk_buff *)(skb))->cloned)
401 #if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
402 #define RPC_READ_REG(osh, r) (\
403 sizeof(*(r)) == sizeof(u8) ? osl_readb((osh), (volatile u8*)(r)) : \
404 sizeof(*(r)) == sizeof(u16) ? osl_readw((osh), (volatile u16*)(r)) : \
405 osl_readl((osh), (volatile u32*)(r)) \
407 #define RPC_WRITE_REG(osh, r, v) do { \
408 switch (sizeof(*(r))) { \
410 osl_writeb((osh), (volatile u8*)(r), (u8)(v)); \
413 osl_writew((osh), (volatile u16*)(r), (u16)(v)); \
416 osl_writel((osh), (volatile u32*)(r), (u32)(v)); \
421 extern u8 osl_readb(osl_t *osh, volatile u8 *r);
422 extern u16 osl_readw(osl_t *osh, volatile u16 *r);
423 extern u32 osl_readl(osl_t *osh, volatile u32 *r);
424 extern void osl_writeb(osl_t *osh, volatile u8 *r, u8 v);
425 extern void osl_writew(osl_t *osh, volatile u16 *r, u16 v);
426 extern void osl_writel(osl_t *osh, volatile u32 *r, u32 v);
429 #endif /* _linux_osl_h_ */