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 extern struct osl_info *osl_attach(void *pdev, uint bustype);
22 extern void osl_detach(struct osl_info *osh);
24 extern u32 g_assert_type;
26 #if defined(BCMDBG_ASSERT)
28 do { if (!(exp)) osl_assert(#exp, __FILE__, __LINE__); } while (0)
29 extern void osl_assert(char *exp, char *file, int line);
33 (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
34 #if GCC_VERSION > 30100
35 #define ASSERT(exp) do {} while (0)
37 /* ASSERT could cause segmentation fault on GCC3.1, use empty instead */
39 #endif /* GCC_VERSION > 30100 */
41 #endif /* defined(BCMDBG_ASSERT) */
43 /* PCI device bus # and slot # */
44 #define OSL_PCI_BUS(osh) osl_pci_bus(osh)
45 #define OSL_PCI_SLOT(osh) osl_pci_slot(osh)
46 extern uint osl_pci_bus(struct osl_info *osh);
47 extern uint osl_pci_slot(struct osl_info *osh);
49 #define PKTFREESETCB(osh, _tx_fn, _tx_ctx) \
51 ((struct osl_pubinfo *)osh)->tx_fn = _tx_fn; \
52 ((struct osl_pubinfo *)osh)->tx_ctx = _tx_ctx; \
55 #define BUS_SWAP32(v) (v)
57 extern void *osl_dma_alloc_consistent(struct osl_info *osh, uint size,
58 u16 align, uint *tot, unsigned long *pap);
61 #define DMA_ALLOC_CONSISTENT(osh, size, pap, dmah, alignbits) \
62 osl_dma_alloc_consistent((osh), (size), (0), (tot), (pap))
64 #define DMA_ALLOC_CONSISTENT(osh, size, align, tot, pap, dmah) \
65 osl_dma_alloc_consistent((osh), (size), (align), (tot), (pap))
66 #endif /* BRCM_FULLMAC */
68 #define DMA_FREE_CONSISTENT(osh, va, size, pa, dmah) \
69 osl_dma_free_consistent((osh), (void *)(va), (size), (pa))
70 extern void osl_dma_free_consistent(struct osl_info *osh, void *va,
71 uint size, unsigned long pa);
73 /* map/unmap direction */
74 #define DMA_TX 1 /* TX direction for DMA */
75 #define DMA_RX 2 /* RX direction for DMA */
77 /* map/unmap shared (dma-able) memory */
78 #define DMA_MAP(osh, va, size, direction, p, dmah) \
79 osl_dma_map((osh), (va), (size), (direction))
80 #define DMA_UNMAP(osh, pa, size, direction, p, dmah) \
81 osl_dma_unmap((osh), (pa), (size), (direction))
82 extern uint osl_dma_map(struct osl_info *osh, void *va, uint size,
84 extern void osl_dma_unmap(struct osl_info *osh, uint pa, uint size,
87 /* API for DMA addressing capability */
88 #define OSL_DMADDRWIDTH(osh, addrwidth) do {} while (0)
90 /* register access macros */
95 #define OSL_WRITE_REG(osh, r, v) (bcmsdh_reg_write(NULL, (unsigned long)(r), sizeof(*(r)), (v)))
96 #define OSL_READ_REG(osh, r) (bcmsdh_reg_read(NULL, (unsigned long)(r), sizeof(*(r))))
100 #define SELECT_BUS_WRITE(osh, mmap_op, bus_op) \
101 if (((struct osl_pubinfo *)(osh))->mmbus) \
103 #define SELECT_BUS_READ(osh, mmap_op, bus_op) \
104 (((struct osl_pubinfo *)(osh))->mmbus) ? mmap_op : bus_op
106 #define SELECT_BUS_WRITE(osh, mmap_op, bus_op) mmap_op
107 #define SELECT_BUS_READ(osh, mmap_op, bus_op) mmap_op
110 /* the largest reasonable packet buffer driver uses for ethernet MTU in bytes */
111 #define PKTBUFSZ 2048 /* largest reasonable packet buffer, driver uses for ethernet MTU */
113 #define OSL_SYSUPTIME() ((u32)jiffies * (1000 / HZ))
114 #define printf(fmt, args...) printk(fmt , ## args)
116 #include <linux/kernel.h> /* for vsn/printf's */
117 #include <linux/string.h> /* for mem*, str* */
119 /* bcopy's: Linux kernel doesn't provide these (anymore) */
120 #define bcopy(src, dst, len) memcpy((dst), (src), (len))
121 #define bcmp(b1, b2, len) memcmp((b1), (b2), (len))
122 #define bzero(b, len) memset((b), '\0', (len))
124 /* register access macros */
125 #if defined(OSLREGOPS)
129 #define R_REG(osh, r) (\
130 SELECT_BUS_READ(osh, sizeof(*(r)) == sizeof(u8) ? readb((volatile u8*)(r)) : \
131 sizeof(*(r)) == sizeof(u16) ? readw((volatile u16*)(r)) : \
132 readl((volatile u32*)(r)), OSL_READ_REG(osh, r)) \
135 #define R_REG(osh, r) (\
136 SELECT_BUS_READ(osh, \
138 __typeof(*(r)) __osl_v; \
139 __asm__ __volatile__("sync"); \
140 switch (sizeof(*(r))) { \
142 __osl_v = readb((volatile u8*)(r)); \
145 __osl_v = readw((volatile u16*)(r)); \
149 readl((volatile u32*)(r)); \
152 __asm__ __volatile__("sync"); \
156 __typeof(*(r)) __osl_v; \
157 __asm__ __volatile__("sync"); \
158 __osl_v = OSL_READ_REG(osh, r); \
159 __asm__ __volatile__("sync"); \
163 #endif /* __mips__ */
165 #define W_REG(osh, r, v) do { \
166 SELECT_BUS_WRITE(osh, \
167 switch (sizeof(*(r))) { \
169 writeb((u8)(v), (volatile u8*)(r)); break; \
171 writew((u16)(v), (volatile u16*)(r)); break; \
173 writel((u32)(v), (volatile u32*)(r)); break; \
175 (OSL_WRITE_REG(osh, r, v))); \
177 #else /* IL_BIGENDIAN */
178 #define R_REG(osh, r) (\
179 SELECT_BUS_READ(osh, \
181 __typeof(*(r)) __osl_v; \
182 switch (sizeof(*(r))) { \
185 readb((volatile u8*)((r)^3)); \
189 readw((volatile u16*)((r)^2)); \
192 __osl_v = readl((volatile u32*)(r)); \
197 OSL_READ_REG(osh, r)) \
199 #define W_REG(osh, r, v) do { \
200 SELECT_BUS_WRITE(osh, \
201 switch (sizeof(*(r))) { \
204 (volatile u8*)((r)^3)); break; \
207 (volatile u16*)((r)^2)); break; \
210 (volatile u32*)(r)); break; \
212 (OSL_WRITE_REG(osh, r, v))); \
214 #endif /* IL_BIGENDIAN */
216 #endif /* OSLREGOPS */
218 #define AND_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) & (v))
219 #define OR_REG(osh, r, v) W_REG(osh, (r), R_REG(osh, r) | (v))
221 /* bcopy, bcmp, and bzero functions */
222 #define bcopy(src, dst, len) memcpy((dst), (src), (len))
223 #define bcmp(b1, b2, len) memcmp((b1), (b2), (len))
224 #define bzero(b, len) memset((b), '\0', (len))
226 /* uncached/cached virtual address */
228 #include <asm/addrspace.h>
229 #define OSL_UNCACHED(va) ((void *)KSEG1ADDR((va)))
230 #define OSL_CACHED(va) ((void *)KSEG0ADDR((va)))
232 #define OSL_UNCACHED(va) ((void *)va)
233 #define OSL_CACHED(va) ((void *)va)
236 /* map/unmap physical to virtual I/O */
237 #if !defined(CONFIG_MMC_MSM7X00A)
238 #define REG_MAP(pa, size) ioremap_nocache((unsigned long)(pa), (unsigned long)(size))
240 #define REG_MAP(pa, size) (void *)(0)
241 #endif /* !defined(CONFIG_MMC_MSM7X00A */
242 #define REG_UNMAP(va) iounmap((va))
244 #define R_SM(r) (*(r))
245 #define W_SM(r, v) (*(r) = (v))
246 #define BZERO_SM(r, len) memset((r), '\0', (len))
248 /* packet primitives */
249 #define PKTGET(osh, len, send) osl_pktget((osh), (len))
250 #define PKTFREE(osh, skb, send) osl_pktfree((osh), (skb), (send))
251 #define PKTHEADROOM(skb) ((skb)->data - (skb)->head)
252 #define PKTTAILROOM(skb) ((skb)->end - (skb)->tail)
253 #define PKTALLOCED(osh) (((struct osl_pubinfo *)(osh))->pktalloced)
254 extern void *osl_pktget(struct osl_info *osh, uint len);
255 extern void osl_pktfree(struct osl_info *osh, void *skb, bool send);
259 osl_pkt_frmnative(struct osl_pubinfo *osh, struct sk_buff *skb)
261 struct sk_buff *nskb;
263 for (nskb = skb; nskb; nskb = nskb->next)
268 #define PKTFRMNATIVE(osh, skb) \
269 osl_pkt_frmnative(((struct osl_pubinfo *)osh), (struct sk_buff*)(skb))
271 static inline struct sk_buff *
272 osl_pkt_tonative(struct osl_pubinfo *osh, void *pkt)
274 struct sk_buff *nskb;
276 for (nskb = (struct sk_buff *)pkt; nskb; nskb = nskb->next)
279 return (struct sk_buff *)pkt;
281 #define PKTTONATIVE(osh, pkt) \
282 osl_pkt_tonative((struct osl_pubinfo *)(osh), (pkt))
283 #else /* !BRCM_FULLMAC */
284 #define PKTUNALLOC(osh) (((struct osl_pubinfo *)(osh))->pktalloced--)
286 #define PKTSETSKIPCT(osh, skb)
287 #define PKTCLRSKIPCT(osh, skb)
288 #define PKTSKIPCT(osh, skb)
289 #endif /* BRCM_FULLMAC */
291 #define PKTSUMNEEDED(skb) (((struct sk_buff *)(skb))->ip_summed == CHECKSUM_PARTIAL)
292 #define PKTSETSUMGOOD(skb, x) (((struct sk_buff *)(skb))->ip_summed = \
293 ((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE))
294 /* PKTSETSUMNEEDED and PKTSUMGOOD are not possible because skb->ip_summed is overloaded */
296 #endif /* _linux_osl_h_ */