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.
21 /* Linux Kernel: File Operations: start */
22 extern void *osl_os_open_image(char *filename);
23 extern int osl_os_get_image_block(char *buf, int len, void *image);
24 extern void osl_os_close_image(void *image);
25 /* Linux Kernel: File Operations: end */
27 extern osl_t *osl_attach(void *pdev, uint bustype, bool pkttag);
28 extern void osl_detach(osl_t *osh);
30 extern u32 g_assert_type;
32 #if defined(BCMDBG_ASSERT)
34 do { if (!(exp)) osl_assert(#exp, __FILE__, __LINE__); } while (0)
35 extern void osl_assert(char *exp, char *file, int line);
39 (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
40 #if GCC_VERSION > 30100
41 #define ASSERT(exp) do {} while (0)
43 /* ASSERT could cause segmentation fault on GCC3.1, use empty instead */
45 #endif /* GCC_VERSION > 30100 */
47 #endif /* defined(BCMDBG_ASSERT) */
49 /* PCI configuration space access macros */
50 #define OSL_PCI_READ_CONFIG(osh, offset, size) \
51 osl_pci_read_config((osh), (offset), (size))
52 #define OSL_PCI_WRITE_CONFIG(osh, offset, size, val) \
53 osl_pci_write_config((osh), (offset), (size), (val))
54 extern u32 osl_pci_read_config(osl_t *osh, uint offset, uint size);
55 extern void osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val);
57 /* PCI device bus # and slot # */
58 #define OSL_PCI_BUS(osh) osl_pci_bus(osh)
59 #define OSL_PCI_SLOT(osh) osl_pci_slot(osh)
60 extern uint osl_pci_bus(osl_t *osh);
61 extern uint osl_pci_slot(osl_t *osh);
63 /* Pkttag flag should be part of public information */
66 uint pktalloced; /* Number of allocated packet buffers */
67 bool mmbus; /* Bus supports memory-mapped register accesses */
68 pktfree_cb_fn_t tx_fn; /* Callback function for PKTFREE */
69 void *tx_ctx; /* Context to the callback function */
70 #if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
71 osl_rreg_fn_t rreg_fn; /* Read Register function */
72 osl_wreg_fn_t wreg_fn; /* Write Register function */
73 void *reg_ctx; /* Context to the reg callback functions */
77 #define PKTFREESETCB(osh, _tx_fn, _tx_ctx) \
79 ((osl_pubinfo_t *)osh)->tx_fn = _tx_fn; \
80 ((osl_pubinfo_t *)osh)->tx_ctx = _tx_ctx; \
83 #if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
84 #define REGOPSSET(osh, rreg, wreg, ctx) \
86 ((osl_pubinfo_t *)osh)->rreg_fn = rreg; \
87 ((osl_pubinfo_t *)osh)->wreg_fn = wreg; \
88 ((osl_pubinfo_t *)osh)->reg_ctx = ctx; \
92 #define BUS_SWAP32(v) (v)
94 #define DMA_CONSISTENT_ALIGN osl_dma_consistent_align()
95 extern uint osl_dma_consistent_align(void);
96 extern void *osl_dma_alloc_consistent(osl_t *osh, uint size, u16 align,
97 uint *tot, unsigned long *pap);
100 #define DMA_ALLOC_CONSISTENT(osh, size, pap, dmah, alignbits) \
101 osl_dma_alloc_consistent((osh), (size), (0), (tot), (pap))
103 #define DMA_ALLOC_CONSISTENT(osh, size, align, tot, pap, dmah) \
104 osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap))
105 #endif /* BRCM_FULLMAC */
107 #define DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \
108 osl_dma_free_consistent((osh), (void *)(va), (size), (pa))
109 extern void osl_dma_free_consistent(osl_t *osh, void *va, uint size, unsigned long pa);
111 /* map/unmap direction */
112 #define DMA_TX 1 /* TX direction for DMA */
113 #define DMA_RX 2 /* RX direction for DMA */
115 /* map/unmap shared (dma-able) memory */
116 #define DMA_MAP(osh, va, size, direction, p, dmah) \
117 osl_dma_map((osh), (va), (size), (direction))
118 #define DMA_UNMAP(osh, pa, size, direction, p, dmah) \
119 osl_dma_unmap((osh), (pa), (size), (direction))
120 extern uint osl_dma_map(osl_t *osh, void *va, uint size, int direction);
121 extern void osl_dma_unmap(osl_t *osh, uint pa, uint size, int direction);
123 /* API for DMA addressing capability */
124 #define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0)
126 /* register access macros */
131 #define OSL_WRITE_REG(osh, r, v) (bcmsdh_reg_write(NULL, (unsigned long)(r), sizeof(*(r)), (v)))
132 #define OSL_READ_REG(osh, r) (bcmsdh_reg_read(NULL, (unsigned long)(r), sizeof(*(r))))
136 #define SELECT_BUS_WRITE(osh, mmap_op, bus_op) if (((osl_pubinfo_t *)(osh))->mmbus) \
138 #define SELECT_BUS_READ(osh, mmap_op, bus_op) (((osl_pubinfo_t *)(osh))->mmbus) ? \
141 #define SELECT_BUS_WRITE(osh, mmap_op, bus_op) mmap_op
142 #define SELECT_BUS_READ(osh, mmap_op, bus_op) mmap_op
145 #define OSL_ERROR(bcmerror) osl_error(bcmerror)
146 extern int osl_error(int bcmerror);
148 /* the largest reasonable packet buffer driver uses for ethernet MTU in bytes */
149 #define PKTBUFSZ 2048 /* largest reasonable packet buffer, driver uses for ethernet MTU */
151 #define OSL_SYSUPTIME() ((u32)jiffies * (1000 / HZ))
152 #define printf(fmt, args...) printk(fmt , ## args)
154 #include <linux/kernel.h> /* for vsn/printf's */
155 #include <linux/string.h> /* for mem*, str* */
157 /* bcopy's: Linux kernel doesn't provide these (anymore) */
158 #define bcopy(src, dst, len) memcpy((dst), (src), (len))
159 #define bcmp(b1, b2, len) memcmp((b1), (b2), (len))
160 #define bzero(b, len) memset((b), '\0', (len))
162 /* register access macros */
163 #if defined(OSLREGOPS)
167 #define R_REG(osh, r) (\
168 SELECT_BUS_READ(osh, sizeof(*(r)) == sizeof(u8) ? readb((volatile u8*)(r)) : \
169 sizeof(*(r)) == sizeof(u16) ? readw((volatile u16*)(r)) : \
170 readl((volatile u32*)(r)), OSL_READ_REG(osh, r)) \
173 #define R_REG(osh, r) (\
174 SELECT_BUS_READ(osh, \
176 __typeof(*(r)) __osl_v; \
177 __asm__ __volatile__("sync"); \
178 switch (sizeof(*(r))) { \
180 __osl_v = readb((volatile u8*)(r)); \
183 __osl_v = readw((volatile u16*)(r)); \
187 readl((volatile u32*)(r)); \
190 __asm__ __volatile__("sync"); \
194 __typeof(*(r)) __osl_v; \
195 __asm__ __volatile__("sync"); \
196 __osl_v = OSL_READ_REG(osh, r); \
197 __asm__ __volatile__("sync"); \
201 #endif /* __mips__ */
203 #define W_REG(osh, r, v) do { \
204 SELECT_BUS_WRITE(osh, \
205 switch (sizeof(*(r))) { \
207 writeb((u8)(v), (volatile u8*)(r)); break; \
209 writew((u16)(v), (volatile u16*)(r)); break; \
211 writel((u32)(v), (volatile u32*)(r)); break; \
213 (OSL_WRITE_REG(osh, r, v))); \
215 #else /* IL_BIGENDIAN */
216 #define R_REG(osh, r) (\
217 SELECT_BUS_READ(osh, \
219 __typeof(*(r)) __osl_v; \
220 switch (sizeof(*(r))) { \
223 readb((volatile u8*)((r)^3)); \
227 readw((volatile u16*)((r)^2)); \
230 __osl_v = readl((volatile u32*)(r)); \
235 OSL_READ_REG(osh, r)) \
237 #define W_REG(osh, r, v) do { \
238 SELECT_BUS_WRITE(osh, \
239 switch (sizeof(*(r))) { \
242 (volatile u8*)((r)^3)); break; \
245 (volatile u16*)((r)^2)); break; \
248 (volatile u32*)(r)); break; \
250 (OSL_WRITE_REG(osh, r, v))); \
252 #endif /* IL_BIGENDIAN */
254 #endif /* OSLREGOPS */
256 #define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v))
257 #define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) | (v))
259 /* bcopy, bcmp, and bzero functions */
260 #define bcopy(src, dst, len) memcpy((dst), (src), (len))
261 #define bcmp(b1, b2, len) memcmp((b1), (b2), (len))
262 #define bzero(b, len) memset((b), '\0', (len))
264 /* uncached/cached virtual address */
266 #include <asm/addrspace.h>
267 #define OSL_UNCACHED(va) ((void *)KSEG1ADDR((va)))
268 #define OSL_CACHED(va) ((void *)KSEG0ADDR((va)))
270 #define OSL_UNCACHED(va) ((void *)va)
271 #define OSL_CACHED(va) ((void *)va)
275 #define OSL_GETCYCLES(x) ((x) = read_c0_count() * 2)
276 #elif defined(__i386__)
277 #define OSL_GETCYCLES(x) rdtscl((x))
279 #define OSL_GETCYCLES(x) ((x) = 0)
280 #endif /* defined(mips) */
282 /* dereference an address that may cause a bus exception */
284 #define BUSPROBE(val, addr) get_dbe((val), (addr))
285 #include <asm/paccess.h>
287 #define BUSPROBE(val, addr) ({ (val) = R_REG(NULL, (addr)); 0; })
290 /* map/unmap physical to virtual I/O */
291 #if !defined(CONFIG_MMC_MSM7X00A)
292 #define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size))
294 #define REG_MAP(pa, size) (void *)(0)
295 #endif /* !defined(CONFIG_MMC_MSM7X00A */
296 #define REG_UNMAP(va) iounmap((va))
298 #define R_SM(r) (*(r))
299 #define W_SM(r, v) (*(r) = (v))
300 #define BZERO_SM(r, len) memset((r), '\0', (len))
303 #include <linuxver.h> /* use current 2.4.x calling conventions */
306 /* packet primitives */
307 #define PKTGET(osh, len, send) osl_pktget((osh), (len))
308 #define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send))
309 #define PKTDATA(skb) (((struct sk_buff *)(skb))->data)
310 #define PKTLEN(skb) (((struct sk_buff *)(skb))->len)
311 #define PKTHEADROOM(skb) (PKTDATA(skb)-(((struct sk_buff *)(skb))->head))
312 #define PKTTAILROOM(skb) ((((struct sk_buff *)(skb))->end)-(((struct sk_buff *)(skb))->tail))
313 #define PKTNEXT(skb) (((struct sk_buff *)(skb))->next)
314 #define PKTSETNEXT(skb, x) \
315 (((struct sk_buff *)(skb))->next = (struct sk_buff *)(x))
316 #define PKTSETLEN(skb, len) __skb_trim((struct sk_buff *)(skb), (len))
317 #define PKTPUSH(skb, bytes) skb_push((struct sk_buff *)(skb), (bytes))
318 #define PKTPULL(skb, bytes) skb_pull((struct sk_buff *)(skb), (bytes))
319 #define PKTTAG(skb) ((void *)(((struct sk_buff *)(skb))->cb))
320 #define PKTALLOCED(osh) (((osl_pubinfo_t *)(osh))->pktalloced)
321 #define PKTSETPOOL(osh, skb, x, y) do {} while (0)
322 #define PKTPOOL(osh, skb) false
323 extern void *osl_pktget(osl_t *osh, uint len);
324 extern void osl_pktfree(osl_t *osh, void *skb, bool send);
327 extern void *osl_pktget_static(osl_t *osh, uint len);
328 extern void osl_pktfree_static(osl_t *osh, void *skb, bool send);
331 osl_pkt_frmnative(osl_pubinfo_t *osh, struct sk_buff *skb)
333 struct sk_buff *nskb;
336 bzero((void *)skb->cb, OSL_PKTTAG_SZ);
338 for (nskb = skb; nskb; nskb = nskb->next)
343 #define PKTFRMNATIVE(osh, skb) \
344 osl_pkt_frmnative(((osl_pubinfo_t *)osh), (struct sk_buff*)(skb))
346 static inline struct sk_buff *
347 osl_pkt_tonative(osl_pubinfo_t *osh, void *pkt)
349 struct sk_buff *nskb;
352 bzero(((struct sk_buff *)pkt)->cb, OSL_PKTTAG_SZ);
354 for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next)
357 return (struct sk_buff *)pkt;
359 #define PKTTONATIVE(osh, pkt) \
360 osl_pkt_tonative((osl_pubinfo_t *)(osh), (pkt))
361 #else /* !BRCM_FULLMAC */
362 #define PKTUNALLOC(osh) (((osl_pubinfo_t *)(osh))->pktalloced--)
364 #define PKTSETSKIPCT(osh, skb)
365 #define PKTCLRSKIPCT(osh, skb)
366 #define PKTSKIPCT(osh, skb)
367 #endif /* BRCM_FULLMAC */
369 #define PKTLINK(skb) (((struct sk_buff *)(skb))->prev)
370 #define PKTSETLINK(skb, x) (((struct sk_buff *)(skb))->prev = (struct sk_buff*)(x))
371 #define PKTPRIO(skb) (((struct sk_buff *)(skb))->priority)
372 #define PKTSETPRIO(skb, x) (((struct sk_buff *)(skb))->priority = (x))
373 #define PKTSUMNEEDED(skb) (((struct sk_buff *)(skb))->ip_summed == CHECKSUM_PARTIAL)
374 #define PKTSETSUMGOOD(skb, x) (((struct sk_buff *)(skb))->ip_summed = \
375 ((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE))
376 /* PKTSETSUMNEEDED and PKTSUMGOOD are not possible because skb->ip_summed is overloaded */
377 #define PKTSHARED(skb) (((struct sk_buff *)(skb))->cloned)
379 #if defined(BCMSDIO) && !defined(BRCM_FULLMAC)
380 #define RPC_READ_REG(osh, r) (\
381 sizeof(*(r)) == sizeof(u8) ? osl_readb((osh), (volatile u8*)(r)) : \
382 sizeof(*(r)) == sizeof(u16) ? osl_readw((osh), (volatile u16*)(r)) : \
383 osl_readl((osh), (volatile u32*)(r)) \
385 #define RPC_WRITE_REG(osh, r, v) do { \
386 switch (sizeof(*(r))) { \
388 osl_writeb((osh), (volatile u8*)(r), (u8)(v)); \
391 osl_writew((osh), (volatile u16*)(r), (u16)(v)); \
394 osl_writel((osh), (volatile u32*)(r), (u32)(v)); \
399 extern u8 osl_readb(osl_t *osh, volatile u8 *r);
400 extern u16 osl_readw(osl_t *osh, volatile u16 *r);
401 extern u32 osl_readl(osl_t *osh, volatile u32 *r);
402 extern void osl_writeb(osl_t *osh, volatile u8 *r, u8 v);
403 extern void osl_writew(osl_t *osh, volatile u16 *r, u16 v);
404 extern void osl_writel(osl_t *osh, volatile u32 *r, u32 v);
407 #endif /* _linux_osl_h_ */